From 891a3b1fddb24b4b53426685bd0390bb74c9b5b3 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Wed, 28 Mar 2012 16:10:49 -0400 Subject: USB: fix bug in serial driver unregistration This patch (as1536) fixes a bug in the USB serial core. Unloading and reloading a serial driver while a serial device is plugged in causes errors because of the code in usb_serial_disconnect() that tries to make sure the port_remove method is called. With the new order of driver registration introduced in the 3.4 kernel, this is definitely not the right thing to do (if indeed it ever was). The patch removes that whole section code, along with the mechanism for keeping track of each port's registration state, which is no longer needed. The driver core can handle all that stuff for us. Note: This has been tested only with one or two USB serial drivers. In theory, other drivers might still run into trouble. But if they do, it will be the fault of the drivers, not of this patch -- that is, the drivers will need to be fixed. Signed-off-by: Alan Stern Reported-and-tested-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- include/linux/usb/serial.h | 8 -------- 1 file changed, 8 deletions(-) (limited to 'include/linux/usb') diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index fbb666b1b670..474283888233 100644 --- a/include/linux/usb/serial.h +++ b/include/linux/usb/serial.h @@ -28,13 +28,6 @@ /* parity check flag */ #define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK)) -enum port_dev_state { - PORT_UNREGISTERED, - PORT_REGISTERING, - PORT_REGISTERED, - PORT_UNREGISTERING, -}; - /* USB serial flags */ #define USB_SERIAL_WRITE_BUSY 0 @@ -124,7 +117,6 @@ struct usb_serial_port { char throttle_req; unsigned long sysrq; /* sysrq timeout */ struct device dev; - enum port_dev_state dev_state; }; #define to_usb_serial_port(d) container_of(d, struct usb_serial_port, dev) -- cgit v1.3-8-gc7d7 From bf070bc14178f1458e7eccd76316ac24f76f1890 Mon Sep 17 00:00:00 2001 From: Grazvydas Ignotas Date: Wed, 21 Mar 2012 16:35:52 +0200 Subject: usb: musb: wake the device before ulpi transfers musb can be suspended at the time some other driver wants to do ulpi transfers using usb_phy_io_* functions, and that can cause data abort, as it happened with isp1704_charger: http://article.gmane.org/gmane.linux.kernel/1226122 Add pm_runtime to ulpi functions to rectify this. This also adds io_dev to usb_phy so that pm_runtime_* functions can be used. Cc: Felipe Contreras Signed-off-by: Grazvydas Ignotas Signed-off-by: Felipe Balbi --- drivers/usb/musb/musb_core.c | 31 +++++++++++++++++++++++++------ include/linux/usb/otg.h | 1 + 2 files changed, 26 insertions(+), 6 deletions(-) (limited to 'include/linux/usb') diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 239214626ec5..66aaccf04490 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -137,6 +137,9 @@ static int musb_ulpi_read(struct usb_phy *phy, u32 offset) int i = 0; u8 r; u8 power; + int ret; + + pm_runtime_get_sync(phy->io_dev); /* Make sure the transceiver is not in low power mode */ power = musb_readb(addr, MUSB_POWER); @@ -154,15 +157,22 @@ static int musb_ulpi_read(struct usb_phy *phy, u32 offset) while (!(musb_readb(addr, MUSB_ULPI_REG_CONTROL) & MUSB_ULPI_REG_CMPLT)) { i++; - if (i == 10000) - return -ETIMEDOUT; + if (i == 10000) { + ret = -ETIMEDOUT; + goto out; + } } r = musb_readb(addr, MUSB_ULPI_REG_CONTROL); r &= ~MUSB_ULPI_REG_CMPLT; musb_writeb(addr, MUSB_ULPI_REG_CONTROL, r); - return musb_readb(addr, MUSB_ULPI_REG_DATA); + ret = musb_readb(addr, MUSB_ULPI_REG_DATA); + +out: + pm_runtime_put(phy->io_dev); + + return ret; } static int musb_ulpi_write(struct usb_phy *phy, u32 offset, u32 data) @@ -171,6 +181,9 @@ static int musb_ulpi_write(struct usb_phy *phy, u32 offset, u32 data) int i = 0; u8 r = 0; u8 power; + int ret = 0; + + pm_runtime_get_sync(phy->io_dev); /* Make sure the transceiver is not in low power mode */ power = musb_readb(addr, MUSB_POWER); @@ -184,15 +197,20 @@ static int musb_ulpi_write(struct usb_phy *phy, u32 offset, u32 data) while (!(musb_readb(addr, MUSB_ULPI_REG_CONTROL) & MUSB_ULPI_REG_CMPLT)) { i++; - if (i == 10000) - return -ETIMEDOUT; + if (i == 10000) { + ret = -ETIMEDOUT; + goto out; + } } r = musb_readb(addr, MUSB_ULPI_REG_CONTROL); r &= ~MUSB_ULPI_REG_CMPLT; musb_writeb(addr, MUSB_ULPI_REG_CONTROL, r); - return 0; +out: + pm_runtime_put(phy->io_dev); + + return ret; } #else #define musb_ulpi_read NULL @@ -1908,6 +1926,7 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl) } if (!musb->xceiv->io_ops) { + musb->xceiv->io_dev = musb->controller; musb->xceiv->io_priv = musb->mregs; musb->xceiv->io_ops = &musb_ulpi_access; } diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h index f67810f8f21b..38ab3f46346f 100644 --- a/include/linux/usb/otg.h +++ b/include/linux/usb/otg.h @@ -94,6 +94,7 @@ struct usb_phy { struct usb_otg *otg; + struct device *io_dev; struct usb_phy_io_ops *io_ops; void __iomem *io_priv; -- cgit v1.3-8-gc7d7 From 151b61284776be2d6f02d48c23c3625678960b97 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Tue, 24 Apr 2012 14:07:22 -0400 Subject: USB: EHCI: fix crash during suspend on ASUS computers This patch (as1545) fixes a problem affecting several ASUS computers: The machine crashes or corrupts memory when going into suspend if the ehci-hcd driver is bound to any controllers. Users have been forced to unbind or unload ehci-hcd before putting their systems to sleep. After extensive testing, it was determined that the machines don't like going into suspend when any EHCI controllers are in the PCI D3 power state. Presumably this is a firmware bug, but there's nothing we can do about it except to avoid putting the controllers in D3 during system sleep. The patch adds a new flag to indicate whether the problem is present, and avoids changing the controller's power state if the flag is set. Runtime suspend is unaffected; this matters only for system suspend. However as a side effect, the controller will not respond to remote wakeup requests while the system is asleep. Hence USB wakeup is not functional -- but of course, this is already true in the current state of affairs. This fixes Bugzilla #42728. Signed-off-by: Alan Stern Tested-by: Steven Rostedt Tested-by: Andrey Rahmatullin Tested-by: Oleksij Rempel (fishor) Cc: stable Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/hcd-pci.c | 9 +++++++++ drivers/usb/host/ehci-pci.c | 8 ++++++++ include/linux/usb/hcd.h | 2 ++ 3 files changed, 19 insertions(+) (limited to 'include/linux/usb') diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c index 622b4a48e732..57ed9e400c06 100644 --- a/drivers/usb/core/hcd-pci.c +++ b/drivers/usb/core/hcd-pci.c @@ -493,6 +493,15 @@ static int hcd_pci_suspend_noirq(struct device *dev) pci_save_state(pci_dev); + /* + * Some systems crash if an EHCI controller is in D3 during + * a sleep transition. We have to leave such controllers in D0. + */ + if (hcd->broken_pci_sleep) { + dev_dbg(dev, "Staying in PCI D0\n"); + return retval; + } + /* If the root hub is dead rather than suspended, disallow remote * wakeup. usb_hc_died() should ensure that both hosts are marked as * dying, so we only need to check the primary roothub. diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index 01bb7241d6ef..fe8dc069164e 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -144,6 +144,14 @@ static int ehci_pci_setup(struct usb_hcd *hcd) hcd->has_tt = 1; tdi_reset(ehci); } + if (pdev->subsystem_vendor == PCI_VENDOR_ID_ASUSTEK) { + /* EHCI #1 or #2 on 6 Series/C200 Series chipset */ + if (pdev->device == 0x1c26 || pdev->device == 0x1c2d) { + ehci_info(ehci, "broken D3 during system sleep on ASUS\n"); + hcd->broken_pci_sleep = 1; + device_set_wakeup_capable(&pdev->dev, false); + } + } break; case PCI_VENDOR_ID_TDI: if (pdev->device == PCI_DEVICE_ID_TDI_EHCI) { diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index 5de415707c23..d28cc78a38e4 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -126,6 +126,8 @@ struct usb_hcd { unsigned wireless:1; /* Wireless USB HCD */ unsigned authorized_default:1; unsigned has_tt:1; /* Integrated TT in root hub */ + unsigned broken_pci_sleep:1; /* Don't put the + controller in PCI-D3 for system sleep */ unsigned int irq; /* irq allocated */ void __iomem *regs; /* device memory/io */ -- cgit v1.3-8-gc7d7 From fb28d58b72aa9215b26f1d5478462af394a4d253 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Wed, 25 Apr 2012 17:15:29 -0700 Subject: USB: remove CONFIG_USB_DEVICEFS This option has been deprecated for many years now, and no userspace tools use it anymore, so it should be safe to finally remove it. Reported-by: Kay Sievers Signed-off-by: Greg Kroah-Hartman --- drivers/staging/media/go7007/go7007.txt | 1 - drivers/usb/core/Kconfig | 29 -- drivers/usb/core/Makefile | 1 - drivers/usb/core/devio.c | 11 - drivers/usb/core/driver.c | 21 +- drivers/usb/core/inode.c | 748 -------------------------------- drivers/usb/core/usb.c | 6 - include/linux/usb.h | 7 - include/linux/usb/hcd.h | 23 - 9 files changed, 2 insertions(+), 845 deletions(-) delete mode 100644 drivers/usb/core/inode.c (limited to 'include/linux/usb') diff --git a/drivers/staging/media/go7007/go7007.txt b/drivers/staging/media/go7007/go7007.txt index 9db1f3952fd2..fcb3e235abbf 100644 --- a/drivers/staging/media/go7007/go7007.txt +++ b/drivers/staging/media/go7007/go7007.txt @@ -87,7 +87,6 @@ kernel as built-in or modules: CONFIG_SOUND - Sound card support CONFIG_SND - Advanced Linux Sound Architecture CONFIG_USB - Support for Host-side USB - CONFIG_USB_DEVICEFS - USB device filesystem CONFIG_USB_EHCI_HCD - EHCI HCD (USB 2.0) support Additionally, to use the example application, the following options need to diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig index 18d02e32a3d5..751031e8d8d2 100644 --- a/drivers/usb/core/Kconfig +++ b/drivers/usb/core/Kconfig @@ -27,35 +27,6 @@ config USB_ANNOUNCE_NEW_DEVICES comment "Miscellaneous USB options" depends on USB -config USB_DEVICEFS - bool "USB device filesystem (DEPRECATED)" - depends on USB - ---help--- - If you say Y here (and to "/proc file system support" in the "File - systems" section, above), you will get a file /proc/bus/usb/devices - which lists the devices currently connected to your USB bus or - busses, and for every connected device a file named - "/proc/bus/usb/xxx/yyy", where xxx is the bus number and yyy the - device number; the latter files can be used by user space programs - to talk directly to the device. These files are "virtual", meaning - they are generated on the fly and not stored on the hard drive. - - You may need to mount the usbfs file system to see the files, use - mount -t usbfs none /proc/bus/usb - - For the format of the various /proc/bus/usb/ files, please read - . - - Modern Linux systems do not use this. - - Usbfs entries are files and not character devices; usbfs can't - handle Access Control Lists (ACL) which are the default way to - grant access to USB devices for untrusted users of a desktop - system. - - The usbfs functionality is replaced by real device-nodes managed by - udev. These nodes lived in /dev/bus/usb and are used by libusb. - config USB_DEVICE_CLASS bool "USB device class-devices (DEPRECATED)" depends on USB diff --git a/drivers/usb/core/Makefile b/drivers/usb/core/Makefile index 507a4e1b6360..c4ea846d3c02 100644 --- a/drivers/usb/core/Makefile +++ b/drivers/usb/core/Makefile @@ -9,6 +9,5 @@ usbcore-y += config.o file.o buffer.o sysfs.o endpoint.o usbcore-y += devio.o notify.o generic.o quirks.o devices.o usbcore-$(CONFIG_PCI) += hcd-pci.o -usbcore-$(CONFIG_USB_DEVICEFS) += inode.o obj-$(CONFIG_USB) += usbcore.o diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index 8df4b76465ac..90db6e2a573f 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -727,17 +727,6 @@ static int usbdev_open(struct inode *inode, struct file *file) if (imajor(inode) == USB_DEVICE_MAJOR) dev = usbdev_lookup_by_devt(inode->i_rdev); -#ifdef CONFIG_USB_DEVICEFS - /* procfs file */ - if (!dev) { - dev = inode->i_private; - if (dev && dev->usbfs_dentry && - dev->usbfs_dentry->d_inode == inode) - usb_get_dev(dev); - else - dev = NULL; - } -#endif mutex_unlock(&usbfs_mutex); if (!dev) diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 9a56635dc19c..112a7ae5095c 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -726,16 +726,6 @@ static int usb_uevent(struct device *dev, struct kobj_uevent_env *env) return -ENODEV; } -#ifdef CONFIG_USB_DEVICEFS - /* If this is available, userspace programs can directly read - * all the device descriptors we don't tell them about. Or - * act as usermode drivers. - */ - if (add_uevent_var(env, "DEVICE=/proc/bus/usb/%03d/%03d", - usb_dev->bus->busnum, usb_dev->devnum)) - return -ENOMEM; -#endif - /* per-device configurations are common */ if (add_uevent_var(env, "PRODUCT=%x/%x/%x", le16_to_cpu(usb_dev->descriptor.idVendor), @@ -788,15 +778,13 @@ int usb_register_device_driver(struct usb_device_driver *new_udriver, retval = driver_register(&new_udriver->drvwrap.driver); - if (!retval) { + if (!retval) pr_info("%s: registered new device driver %s\n", usbcore_name, new_udriver->name); - usbfs_update_special(); - } else { + else printk(KERN_ERR "%s: error %d registering device " " driver %s\n", usbcore_name, retval, new_udriver->name); - } return retval; } @@ -815,7 +803,6 @@ void usb_deregister_device_driver(struct usb_device_driver *udriver) usbcore_name, udriver->name); driver_unregister(&udriver->drvwrap.driver); - usbfs_update_special(); } EXPORT_SYMBOL_GPL(usb_deregister_device_driver); @@ -856,8 +843,6 @@ int usb_register_driver(struct usb_driver *new_driver, struct module *owner, if (retval) goto out; - usbfs_update_special(); - retval = usb_create_newid_files(new_driver); if (retval) goto out_newid; @@ -897,8 +882,6 @@ void usb_deregister(struct usb_driver *driver) usb_remove_newid_files(driver); driver_unregister(&driver->drvwrap.driver); usb_free_dynids(driver); - - usbfs_update_special(); } EXPORT_SYMBOL_GPL(usb_deregister); diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c deleted file mode 100644 index d2b9af59cba9..000000000000 --- a/drivers/usb/core/inode.c +++ /dev/null @@ -1,748 +0,0 @@ -/*****************************************************************************/ - -/* - * inode.c -- Inode/Dentry functions for the USB device file system. - * - * Copyright (C) 2000 Thomas Sailer (sailer@ife.ee.ethz.ch) - * Copyright (C) 2001,2002,2004 Greg Kroah-Hartman (greg@kroah.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - * History: - * 0.1 04.01.2000 Created - * 0.2 10.12.2001 converted to use the vfs layer better - */ - -/*****************************************************************************/ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include "usb.h" - -#define USBFS_DEFAULT_DEVMODE (S_IWUSR | S_IRUGO) -#define USBFS_DEFAULT_BUSMODE (S_IXUGO | S_IRUGO) -#define USBFS_DEFAULT_LISTMODE S_IRUGO - -static const struct file_operations default_file_operations; -static struct vfsmount *usbfs_mount; -static int usbfs_mount_count; /* = 0 */ - -static struct dentry *devices_usbfs_dentry; -static int num_buses; /* = 0 */ - -static uid_t devuid; /* = 0 */ -static uid_t busuid; /* = 0 */ -static uid_t listuid; /* = 0 */ -static gid_t devgid; /* = 0 */ -static gid_t busgid; /* = 0 */ -static gid_t listgid; /* = 0 */ -static umode_t devmode = USBFS_DEFAULT_DEVMODE; -static umode_t busmode = USBFS_DEFAULT_BUSMODE; -static umode_t listmode = USBFS_DEFAULT_LISTMODE; - -static int usbfs_show_options(struct seq_file *seq, struct dentry *root) -{ - if (devuid != 0) - seq_printf(seq, ",devuid=%u", devuid); - if (devgid != 0) - seq_printf(seq, ",devgid=%u", devgid); - if (devmode != USBFS_DEFAULT_DEVMODE) - seq_printf(seq, ",devmode=%o", devmode); - if (busuid != 0) - seq_printf(seq, ",busuid=%u", busuid); - if (busgid != 0) - seq_printf(seq, ",busgid=%u", busgid); - if (busmode != USBFS_DEFAULT_BUSMODE) - seq_printf(seq, ",busmode=%o", busmode); - if (listuid != 0) - seq_printf(seq, ",listuid=%u", listuid); - if (listgid != 0) - seq_printf(seq, ",listgid=%u", listgid); - if (listmode != USBFS_DEFAULT_LISTMODE) - seq_printf(seq, ",listmode=%o", listmode); - - return 0; -} - -enum { - Opt_devuid, Opt_devgid, Opt_devmode, - Opt_busuid, Opt_busgid, Opt_busmode, - Opt_listuid, Opt_listgid, Opt_listmode, - Opt_err, -}; - -static const match_table_t tokens = { - {Opt_devuid, "devuid=%u"}, - {Opt_devgid, "devgid=%u"}, - {Opt_devmode, "devmode=%o"}, - {Opt_busuid, "busuid=%u"}, - {Opt_busgid, "busgid=%u"}, - {Opt_busmode, "busmode=%o"}, - {Opt_listuid, "listuid=%u"}, - {Opt_listgid, "listgid=%u"}, - {Opt_listmode, "listmode=%o"}, - {Opt_err, NULL} -}; - -static int parse_options(struct super_block *s, char *data) -{ - char *p; - int option; - - /* (re)set to defaults. */ - devuid = 0; - busuid = 0; - listuid = 0; - devgid = 0; - busgid = 0; - listgid = 0; - devmode = USBFS_DEFAULT_DEVMODE; - busmode = USBFS_DEFAULT_BUSMODE; - listmode = USBFS_DEFAULT_LISTMODE; - - while ((p = strsep(&data, ",")) != NULL) { - substring_t args[MAX_OPT_ARGS]; - int token; - if (!*p) - continue; - - token = match_token(p, tokens, args); - switch (token) { - case Opt_devuid: - if (match_int(&args[0], &option)) - return -EINVAL; - devuid = option; - break; - case Opt_devgid: - if (match_int(&args[0], &option)) - return -EINVAL; - devgid = option; - break; - case Opt_devmode: - if (match_octal(&args[0], &option)) - return -EINVAL; - devmode = option & S_IRWXUGO; - break; - case Opt_busuid: - if (match_int(&args[0], &option)) - return -EINVAL; - busuid = option; - break; - case Opt_busgid: - if (match_int(&args[0], &option)) - return -EINVAL; - busgid = option; - break; - case Opt_busmode: - if (match_octal(&args[0], &option)) - return -EINVAL; - busmode = option & S_IRWXUGO; - break; - case Opt_listuid: - if (match_int(&args[0], &option)) - return -EINVAL; - listuid = option; - break; - case Opt_listgid: - if (match_int(&args[0], &option)) - return -EINVAL; - listgid = option; - break; - case Opt_listmode: - if (match_octal(&args[0], &option)) - return -EINVAL; - listmode = option & S_IRWXUGO; - break; - default: - printk(KERN_ERR "usbfs: unrecognised mount option " - "\"%s\" or missing value\n", p); - return -EINVAL; - } - } - - return 0; -} - -static void update_special(struct dentry *special) -{ - special->d_inode->i_uid = listuid; - special->d_inode->i_gid = listgid; - special->d_inode->i_mode = S_IFREG | listmode; -} - -static void update_dev(struct dentry *dev) -{ - dev->d_inode->i_uid = devuid; - dev->d_inode->i_gid = devgid; - dev->d_inode->i_mode = S_IFREG | devmode; -} - -static void update_bus(struct dentry *bus) -{ - struct dentry *dev = NULL; - - bus->d_inode->i_uid = busuid; - bus->d_inode->i_gid = busgid; - bus->d_inode->i_mode = S_IFDIR | busmode; - - mutex_lock(&bus->d_inode->i_mutex); - - list_for_each_entry(dev, &bus->d_subdirs, d_u.d_child) - if (dev->d_inode) - update_dev(dev); - - mutex_unlock(&bus->d_inode->i_mutex); -} - -static void update_sb(struct super_block *sb) -{ - struct dentry *root = sb->s_root; - struct dentry *bus = NULL; - - if (!root) - return; - - mutex_lock_nested(&root->d_inode->i_mutex, I_MUTEX_PARENT); - - list_for_each_entry(bus, &root->d_subdirs, d_u.d_child) { - if (bus->d_inode) { - switch (S_IFMT & bus->d_inode->i_mode) { - case S_IFDIR: - update_bus(bus); - break; - case S_IFREG: - update_special(bus); - break; - default: - printk(KERN_WARNING "usbfs: Unknown node %s " - "mode %x found on remount!\n", - bus->d_name.name, bus->d_inode->i_mode); - break; - } - } - } - - mutex_unlock(&root->d_inode->i_mutex); -} - -static int remount(struct super_block *sb, int *flags, char *data) -{ - /* If this is not a real mount, - * i.e. it's a simple_pin_fs from create_special_files, - * then ignore it. - */ - if (*flags & MS_KERNMOUNT) - return 0; - - if (parse_options(sb, data)) { - printk(KERN_WARNING "usbfs: mount parameter error.\n"); - return -EINVAL; - } - - if (usbfs_mount) - update_sb(usbfs_mount->mnt_sb); - - return 0; -} - -static struct inode *usbfs_get_inode (struct super_block *sb, umode_t mode, dev_t dev) -{ - struct inode *inode = new_inode(sb); - - if (inode) { - inode->i_ino = get_next_ino(); - inode_init_owner(inode, NULL, mode); - inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; - switch (mode & S_IFMT) { - default: - init_special_inode(inode, mode, dev); - break; - case S_IFREG: - inode->i_fop = &default_file_operations; - break; - case S_IFDIR: - inode->i_op = &simple_dir_inode_operations; - inode->i_fop = &simple_dir_operations; - - /* directory inodes start off with i_nlink == 2 (for "." entry) */ - inc_nlink(inode); - break; - } - } - return inode; -} - -/* SMP-safe */ -static int usbfs_mknod (struct inode *dir, struct dentry *dentry, umode_t mode, - dev_t dev) -{ - struct inode *inode = usbfs_get_inode(dir->i_sb, mode, dev); - int error = -EPERM; - - if (dentry->d_inode) - return -EEXIST; - - if (inode) { - d_instantiate(dentry, inode); - dget(dentry); - error = 0; - } - return error; -} - -static int usbfs_mkdir (struct inode *dir, struct dentry *dentry, umode_t mode) -{ - int res; - - mode = (mode & (S_IRWXUGO | S_ISVTX)) | S_IFDIR; - res = usbfs_mknod (dir, dentry, mode, 0); - if (!res) - inc_nlink(dir); - return res; -} - -static int usbfs_create (struct inode *dir, struct dentry *dentry, umode_t mode) -{ - mode = (mode & S_IALLUGO) | S_IFREG; - return usbfs_mknod (dir, dentry, mode, 0); -} - -static inline int usbfs_positive (struct dentry *dentry) -{ - return dentry->d_inode && !d_unhashed(dentry); -} - -static int usbfs_empty (struct dentry *dentry) -{ - struct list_head *list; - - spin_lock(&dentry->d_lock); - list_for_each(list, &dentry->d_subdirs) { - struct dentry *de = list_entry(list, struct dentry, d_u.d_child); - - spin_lock_nested(&de->d_lock, DENTRY_D_LOCK_NESTED); - if (usbfs_positive(de)) { - spin_unlock(&de->d_lock); - spin_unlock(&dentry->d_lock); - return 0; - } - spin_unlock(&de->d_lock); - } - spin_unlock(&dentry->d_lock); - return 1; -} - -static int usbfs_unlink (struct inode *dir, struct dentry *dentry) -{ - struct inode *inode = dentry->d_inode; - mutex_lock(&inode->i_mutex); - drop_nlink(dentry->d_inode); - dput(dentry); - mutex_unlock(&inode->i_mutex); - d_delete(dentry); - return 0; -} - -static int usbfs_rmdir(struct inode *dir, struct dentry *dentry) -{ - int error = -ENOTEMPTY; - struct inode * inode = dentry->d_inode; - - mutex_lock(&inode->i_mutex); - dentry_unhash(dentry); - if (usbfs_empty(dentry)) { - dont_mount(dentry); - drop_nlink(dentry->d_inode); - drop_nlink(dentry->d_inode); - dput(dentry); - inode->i_flags |= S_DEAD; - drop_nlink(dir); - error = 0; - } - mutex_unlock(&inode->i_mutex); - if (!error) - d_delete(dentry); - return error; -} - - -/* default file operations */ -static ssize_t default_read_file (struct file *file, char __user *buf, - size_t count, loff_t *ppos) -{ - return 0; -} - -static ssize_t default_write_file (struct file *file, const char __user *buf, - size_t count, loff_t *ppos) -{ - return count; -} - -static loff_t default_file_lseek (struct file *file, loff_t offset, int orig) -{ - loff_t retval = -EINVAL; - - mutex_lock(&file->f_path.dentry->d_inode->i_mutex); - switch(orig) { - case 0: - if (offset > 0) { - file->f_pos = offset; - retval = file->f_pos; - } - break; - case 1: - if ((offset + file->f_pos) > 0) { - file->f_pos += offset; - retval = file->f_pos; - } - break; - default: - break; - } - mutex_unlock(&file->f_path.dentry->d_inode->i_mutex); - return retval; -} - -static const struct file_operations default_file_operations = { - .read = default_read_file, - .write = default_write_file, - .open = simple_open, - .llseek = default_file_lseek, -}; - -static const struct super_operations usbfs_ops = { - .statfs = simple_statfs, - .drop_inode = generic_delete_inode, - .remount_fs = remount, - .show_options = usbfs_show_options, -}; - -static int usbfs_fill_super(struct super_block *sb, void *data, int silent) -{ - struct inode *inode; - - sb->s_blocksize = PAGE_CACHE_SIZE; - sb->s_blocksize_bits = PAGE_CACHE_SHIFT; - sb->s_magic = USBDEVICE_SUPER_MAGIC; - sb->s_op = &usbfs_ops; - sb->s_time_gran = 1; - inode = usbfs_get_inode(sb, S_IFDIR | 0755, 0); - sb->s_root = d_make_root(inode); - if (!sb->s_root) { - dbg("%s: could not get root dentry!",__func__); - return -ENOMEM; - } - return 0; -} - -/* - * fs_create_by_name - create a file, given a name - * @name: name of file - * @mode: type of file - * @parent: dentry of directory to create it in - * @dentry: resulting dentry of file - * - * This function handles both regular files and directories. - */ -static int fs_create_by_name (const char *name, umode_t mode, - struct dentry *parent, struct dentry **dentry) -{ - int error = 0; - - /* If the parent is not specified, we create it in the root. - * We need the root dentry to do this, which is in the super - * block. A pointer to that is in the struct vfsmount that we - * have around. - */ - if (!parent ) { - if (usbfs_mount) - parent = usbfs_mount->mnt_root; - } - - if (!parent) { - dbg("Ah! can not find a parent!"); - return -EFAULT; - } - - *dentry = NULL; - mutex_lock(&parent->d_inode->i_mutex); - *dentry = lookup_one_len(name, parent, strlen(name)); - if (!IS_ERR(*dentry)) { - if (S_ISDIR(mode)) - error = usbfs_mkdir (parent->d_inode, *dentry, mode); - else - error = usbfs_create (parent->d_inode, *dentry, mode); - } else - error = PTR_ERR(*dentry); - mutex_unlock(&parent->d_inode->i_mutex); - - return error; -} - -static struct dentry *fs_create_file (const char *name, umode_t mode, - struct dentry *parent, void *data, - const struct file_operations *fops, - uid_t uid, gid_t gid) -{ - struct dentry *dentry; - int error; - - dbg("creating file '%s'",name); - - error = fs_create_by_name (name, mode, parent, &dentry); - if (error) { - dentry = NULL; - } else { - if (dentry->d_inode) { - if (data) - dentry->d_inode->i_private = data; - if (fops) - dentry->d_inode->i_fop = fops; - dentry->d_inode->i_uid = uid; - dentry->d_inode->i_gid = gid; - } - } - - return dentry; -} - -static void fs_remove_file (struct dentry *dentry) -{ - struct dentry *parent = dentry->d_parent; - - if (!parent || !parent->d_inode) - return; - - mutex_lock_nested(&parent->d_inode->i_mutex, I_MUTEX_PARENT); - if (usbfs_positive(dentry)) { - if (dentry->d_inode) { - if (S_ISDIR(dentry->d_inode->i_mode)) - usbfs_rmdir(parent->d_inode, dentry); - else - usbfs_unlink(parent->d_inode, dentry); - dput(dentry); - } - } - mutex_unlock(&parent->d_inode->i_mutex); -} - -/* --------------------------------------------------------------------- */ - -static struct dentry *usb_mount(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) -{ - return mount_single(fs_type, flags, data, usbfs_fill_super); -} - -static struct file_system_type usb_fs_type = { - .owner = THIS_MODULE, - .name = "usbfs", - .mount = usb_mount, - .kill_sb = kill_litter_super, -}; - -/* --------------------------------------------------------------------- */ - -static int create_special_files (void) -{ - struct dentry *parent; - int retval; - - /* create the devices special file */ - retval = simple_pin_fs(&usb_fs_type, &usbfs_mount, &usbfs_mount_count); - if (retval) { - printk(KERN_ERR "Unable to get usbfs mount\n"); - goto exit; - } - - parent = usbfs_mount->mnt_root; - devices_usbfs_dentry = fs_create_file ("devices", - listmode | S_IFREG, parent, - NULL, &usbfs_devices_fops, - listuid, listgid); - if (devices_usbfs_dentry == NULL) { - printk(KERN_ERR "Unable to create devices usbfs file\n"); - retval = -ENODEV; - goto error_clean_mounts; - } - - goto exit; - -error_clean_mounts: - simple_release_fs(&usbfs_mount, &usbfs_mount_count); -exit: - return retval; -} - -static void remove_special_files (void) -{ - if (devices_usbfs_dentry) - fs_remove_file (devices_usbfs_dentry); - devices_usbfs_dentry = NULL; - simple_release_fs(&usbfs_mount, &usbfs_mount_count); -} - -void usbfs_update_special (void) -{ - struct inode *inode; - - if (devices_usbfs_dentry) { - inode = devices_usbfs_dentry->d_inode; - if (inode) - inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; - } -} - -static void usbfs_add_bus(struct usb_bus *bus) -{ - struct dentry *parent; - char name[8]; - int retval; - - /* create the special files if this is the first bus added */ - if (num_buses == 0) { - retval = create_special_files(); - if (retval) - return; - } - ++num_buses; - - sprintf (name, "%03d", bus->busnum); - - parent = usbfs_mount->mnt_root; - bus->usbfs_dentry = fs_create_file (name, busmode | S_IFDIR, parent, - bus, NULL, busuid, busgid); - if (bus->usbfs_dentry == NULL) { - printk(KERN_ERR "Error creating usbfs bus entry\n"); - return; - } -} - -static void usbfs_remove_bus(struct usb_bus *bus) -{ - if (bus->usbfs_dentry) { - fs_remove_file (bus->usbfs_dentry); - bus->usbfs_dentry = NULL; - } - - --num_buses; - if (num_buses <= 0) { - remove_special_files(); - num_buses = 0; - } -} - -static void usbfs_add_device(struct usb_device *dev) -{ - char name[8]; - int i; - int i_size; - - sprintf (name, "%03d", dev->devnum); - dev->usbfs_dentry = fs_create_file (name, devmode | S_IFREG, - dev->bus->usbfs_dentry, dev, - &usbdev_file_operations, - devuid, devgid); - if (dev->usbfs_dentry == NULL) { - printk(KERN_ERR "Error creating usbfs device entry\n"); - return; - } - - /* Set the size of the device's file to be - * equal to the size of the device descriptors. */ - i_size = sizeof (struct usb_device_descriptor); - for (i = 0; i < dev->descriptor.bNumConfigurations; ++i) { - struct usb_config_descriptor *config = - (struct usb_config_descriptor *)dev->rawdescriptors[i]; - i_size += le16_to_cpu(config->wTotalLength); - } - if (dev->usbfs_dentry->d_inode) - dev->usbfs_dentry->d_inode->i_size = i_size; -} - -static void usbfs_remove_device(struct usb_device *dev) -{ - if (dev->usbfs_dentry) { - fs_remove_file (dev->usbfs_dentry); - dev->usbfs_dentry = NULL; - } -} - -static int usbfs_notify(struct notifier_block *self, unsigned long action, void *dev) -{ - switch (action) { - case USB_DEVICE_ADD: - usbfs_add_device(dev); - break; - case USB_DEVICE_REMOVE: - usbfs_remove_device(dev); - break; - case USB_BUS_ADD: - usbfs_add_bus(dev); - break; - case USB_BUS_REMOVE: - usbfs_remove_bus(dev); - } - - usbfs_update_special(); - usbfs_conn_disc_event(); - return NOTIFY_OK; -} - -static struct notifier_block usbfs_nb = { - .notifier_call = usbfs_notify, -}; - -/* --------------------------------------------------------------------- */ - -static struct proc_dir_entry *usbdir = NULL; - -int __init usbfs_init(void) -{ - int retval; - - retval = register_filesystem(&usb_fs_type); - if (retval) - return retval; - - usb_register_notify(&usbfs_nb); - - /* create mount point for usbfs */ - usbdir = proc_mkdir("bus/usb", NULL); - - return 0; -} - -void usbfs_cleanup(void) -{ - usb_unregister_notify(&usbfs_nb); - unregister_filesystem(&usb_fs_type); - if (usbdir) - remove_proc_entry("bus/usb", NULL); -} - diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index c74ba7bbc748..0ce862bfdd77 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -1030,9 +1030,6 @@ static int __init usb_init(void) retval = usb_devio_init(); if (retval) goto usb_devio_init_failed; - retval = usbfs_init(); - if (retval) - goto fs_init_failed; retval = usb_hub_init(); if (retval) goto hub_init_failed; @@ -1042,8 +1039,6 @@ static int __init usb_init(void) usb_hub_cleanup(); hub_init_failed: - usbfs_cleanup(); -fs_init_failed: usb_devio_cleanup(); usb_devio_init_failed: usb_deregister(&usbfs_driver); @@ -1070,7 +1065,6 @@ static void __exit usb_exit(void) usb_deregister_device_driver(&usb_generic_driver); usb_major_cleanup(); - usbfs_cleanup(); usb_deregister(&usbfs_driver); usb_devio_cleanup(); usb_hub_cleanup(); diff --git a/include/linux/usb.h b/include/linux/usb.h index 45bc7a5225ab..a63c5baa9f65 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -351,10 +351,6 @@ struct usb_bus { int bandwidth_int_reqs; /* number of Interrupt requests */ int bandwidth_isoc_reqs; /* number of Isoc. requests */ -#ifdef CONFIG_USB_DEVICEFS - struct dentry *usbfs_dentry; /* usbfs dentry entry for the bus */ -#endif - #if defined(CONFIG_USB_MON) || defined(CONFIG_USB_MON_MODULE) struct mon_bus *mon_bus; /* non-null when associated */ int monitored; /* non-zero when monitored */ @@ -496,9 +492,6 @@ struct usb_device { #ifdef CONFIG_USB_DEVICE_CLASS struct device *usb_classdev; #endif -#ifdef CONFIG_USB_DEVICEFS - struct dentry *usbfs_dentry; -#endif int maxchild; struct usb_device **children; diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index 5de415707c23..159a08a4a78e 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -582,29 +582,6 @@ static inline void usb_hcd_resume_root_hub(struct usb_hcd *hcd) } #endif /* CONFIG_USB_SUSPEND */ - -/* - * USB device fs stuff - */ - -#ifdef CONFIG_USB_DEVICEFS - -/* - * these are expected to be called from the USB core/hub thread - * with the kernel lock held - */ -extern void usbfs_update_special(void); -extern int usbfs_init(void); -extern void usbfs_cleanup(void); - -#else /* CONFIG_USB_DEVICEFS */ - -static inline void usbfs_update_special(void) {} -static inline int usbfs_init(void) { return 0; } -static inline void usbfs_cleanup(void) { } - -#endif /* CONFIG_USB_DEVICEFS */ - /*-------------------------------------------------------------------------*/ #if defined(CONFIG_USB_MON) || defined(CONFIG_USB_MON_MODULE) -- cgit v1.3-8-gc7d7 From 93c309ded1f6d4d0ff210263e62693825d441819 Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Tue, 24 Apr 2012 15:44:51 +0300 Subject: usb: ch9: define Set SEL and Set Isoch Delay macros These are new requests introduced by USB 3.0 Specification. Gadget controllers should implement them. Signed-off-by: Felipe Balbi --- include/linux/usb/ch9.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/linux/usb') diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h index af21f3115919..e785d85b617f 100644 --- a/include/linux/usb/ch9.h +++ b/include/linux/usb/ch9.h @@ -88,6 +88,8 @@ #define USB_REQ_GET_INTERFACE 0x0A #define USB_REQ_SET_INTERFACE 0x0B #define USB_REQ_SYNCH_FRAME 0x0C +#define USB_REQ_SET_SEL 0x30 +#define USB_REQ_SET_ISOCH_DELAY 0x31 #define USB_REQ_SET_ENCRYPTION 0x0D /* Wireless USB */ #define USB_REQ_GET_ENCRYPTION 0x0E -- cgit v1.3-8-gc7d7 From 8b7c3b68104d687a16dbcc803a18c72148fdfdac Mon Sep 17 00:00:00 2001 From: Roland Stigge Date: Sun, 29 Apr 2012 16:47:04 +0200 Subject: USB: Add driver for NXP ISP1301 USB transceiver This new driver registers the NXP ISP1301 chip via the I2C subsystem. The chip is the USB transceiver shared by ohci-nxp, lpc32xx_udc (gadget) and isp1301_omap. ISP1301 is a very low-level driver that primarily separates out the I2C client registration of the ISP1301 chip (including instantiation via DT), used by other drivers, and declares the chip's registers. It's only a helper driver for some OHCI and USB device drivers. The driver can be considered as a register set extension of ohci-nxp, lpc32xx-udc and isp1301_omap, which in turn know best what to do with the low level functionality (individual ISP1301 registers and timing, see the different initialization strategies in those drivers). Those drivers previously internally duplicated ISP1301 register definitions which is solved by this new isp1301 driver. The ISP1301 registers exposed via isp1301.h can be accessed by other drivers using it with standard i2c_smbus_*() accesses. Following patches let the respective USB host and gadget drivers use this driver, instead of duplicating ISP1301 handling. Signed-off-by: Roland Stigge Acked-by: Arnd Bergmann Signed-off-by: Greg Kroah-Hartman --- Documentation/devicetree/bindings/usb/isp1301.txt | 25 +++++++ drivers/usb/Kconfig | 2 + drivers/usb/Makefile | 1 + drivers/usb/phy/Kconfig | 17 +++++ drivers/usb/phy/Makefile | 7 ++ drivers/usb/phy/isp1301.c | 77 ++++++++++++++++++++++ include/linux/usb/isp1301.h | 80 +++++++++++++++++++++++ 7 files changed, 209 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/isp1301.txt create mode 100644 drivers/usb/phy/Kconfig create mode 100644 drivers/usb/phy/Makefile create mode 100644 drivers/usb/phy/isp1301.c create mode 100644 include/linux/usb/isp1301.h (limited to 'include/linux/usb') diff --git a/Documentation/devicetree/bindings/usb/isp1301.txt b/Documentation/devicetree/bindings/usb/isp1301.txt new file mode 100644 index 000000000000..5405d99d9aaa --- /dev/null +++ b/Documentation/devicetree/bindings/usb/isp1301.txt @@ -0,0 +1,25 @@ +* NXP ISP1301 USB transceiver + +Required properties: +- compatible: must be "nxp,isp1301" +- reg: I2C address of the ISP1301 device + +Optional properties of devices using ISP1301: +- transceiver: phandle of isp1301 - this helps the ISP1301 driver to find the + ISP1301 instance associated with the respective USB driver + +Example: + + isp1301: usb-transceiver@2c { + compatible = "nxp,isp1301"; + reg = <0x2c>; + }; + + usbd@31020000 { + compatible = "nxp,lpc3220-udc"; + reg = <0x31020000 0x300>; + interrupt-parent = <&mic>; + interrupts = <0x3d 0>, <0x3e 0>, <0x3c 0>, <0x3a 0>; + transceiver = <&isp1301>; + status = "okay"; + }; diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig index 76316a33061b..4473ae51ddb4 100644 --- a/drivers/usb/Kconfig +++ b/drivers/usb/Kconfig @@ -177,6 +177,8 @@ source "drivers/usb/serial/Kconfig" source "drivers/usb/misc/Kconfig" +source "drivers/usb/phy/Kconfig" + source "drivers/usb/atm/Kconfig" source "drivers/usb/gadget/Kconfig" diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile index 53a7bc07dd8d..77c835a15239 100644 --- a/drivers/usb/Makefile +++ b/drivers/usb/Makefile @@ -46,6 +46,7 @@ obj-$(CONFIG_USB_MICROTEK) += image/ obj-$(CONFIG_USB_SERIAL) += serial/ obj-$(CONFIG_USB) += misc/ +obj-$(CONFIG_USB) += phy/ obj-$(CONFIG_EARLY_PRINTK_DBGP) += early/ obj-$(CONFIG_USB_ATM) += atm/ diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig new file mode 100644 index 000000000000..3cfabcba7447 --- /dev/null +++ b/drivers/usb/phy/Kconfig @@ -0,0 +1,17 @@ +# +# Physical Layer USB driver configuration +# +comment "USB Physical Layer drivers" + depends on USB + +config USB_ISP1301 + tristate "NXP ISP1301 USB transceiver support" + depends on USB + depends on I2C + help + Say Y here to add support for the NXP ISP1301 USB transceiver driver. + This chip is typically used as USB transceiver for USB host, gadget + and OTG drivers (to be selected separately). + + To compile this driver as a module, choose M here: the + module will be called isp1301. diff --git a/drivers/usb/phy/Makefile b/drivers/usb/phy/Makefile new file mode 100644 index 000000000000..eca095b1a890 --- /dev/null +++ b/drivers/usb/phy/Makefile @@ -0,0 +1,7 @@ +# +# Makefile for physical layer USB drivers +# + +ccflags-$(CONFIG_USB_DEBUG) := -DDEBUG + +obj-$(CONFIG_USB_ISP1301) += isp1301.o diff --git a/drivers/usb/phy/isp1301.c b/drivers/usb/phy/isp1301.c new file mode 100644 index 000000000000..b19f4932a037 --- /dev/null +++ b/drivers/usb/phy/isp1301.c @@ -0,0 +1,77 @@ +/* + * NXP ISP1301 USB transceiver driver + * + * Copyright (C) 2012 Roland Stigge + * + * Author: Roland Stigge + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include + +#define DRV_NAME "isp1301" + +#define ISP1301_I2C_ADDR 0x2C + +static const unsigned short normal_i2c[] = { + ISP1301_I2C_ADDR, ISP1301_I2C_ADDR + 1, I2C_CLIENT_END +}; + +static const struct i2c_device_id isp1301_id[] = { + { "isp1301", 0 }, + { } +}; + +static struct i2c_client *isp1301_i2c_client; + +static int isp1301_probe(struct i2c_client *client, + const struct i2c_device_id *i2c_id) +{ + isp1301_i2c_client = client; + return 0; +} + +static int isp1301_remove(struct i2c_client *client) +{ + return 0; +} + +static struct i2c_driver isp1301_driver = { + .driver = { + .name = DRV_NAME, + }, + .probe = isp1301_probe, + .remove = isp1301_remove, + .id_table = isp1301_id, +}; + +module_i2c_driver(isp1301_driver); + +static int match(struct device *dev, void *data) +{ + struct device_node *node = (struct device_node *)data; + return (dev->of_node == node) && + (dev->driver == &isp1301_driver.driver); +} + +struct i2c_client *isp1301_get_client(struct device_node *node) +{ + if (node) { /* reference of ISP1301 I2C node via DT */ + struct device *dev = bus_find_device(&i2c_bus_type, NULL, + node, match); + if (!dev) + return NULL; + return to_i2c_client(dev); + } else { /* non-DT: only one ISP1301 chip supported */ + return isp1301_i2c_client; + } +} +EXPORT_SYMBOL_GPL(isp1301_get_client); + +MODULE_AUTHOR("Roland Stigge "); +MODULE_DESCRIPTION("NXP ISP1301 USB transceiver driver"); +MODULE_LICENSE("GPL"); diff --git a/include/linux/usb/isp1301.h b/include/linux/usb/isp1301.h new file mode 100644 index 000000000000..d3a851c28b6a --- /dev/null +++ b/include/linux/usb/isp1301.h @@ -0,0 +1,80 @@ +/* + * NXP ISP1301 USB transceiver driver + * + * Copyright (C) 2012 Roland Stigge + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef __LINUX_USB_ISP1301_H +#define __LINUX_USB_ISP1301_H + +#include + +/* I2C Register definitions: */ + +#define ISP1301_I2C_MODE_CONTROL_1 0x04 /* u8 read, set, +1 clear */ + +#define MC1_SPEED_REG (1 << 0) +#define MC1_SUSPEND_REG (1 << 1) +#define MC1_DAT_SE0 (1 << 2) +#define MC1_TRANSPARENT (1 << 3) +#define MC1_BDIS_ACON_EN (1 << 4) +#define MC1_OE_INT_EN (1 << 5) +#define MC1_UART_EN (1 << 6) +#define MC1_MASK 0x7f + +#define ISP1301_I2C_MODE_CONTROL_2 0x12 /* u8 read, set, +1 clear */ + +#define MC2_GLOBAL_PWR_DN (1 << 0) +#define MC2_SPD_SUSP_CTRL (1 << 1) +#define MC2_BI_DI (1 << 2) +#define MC2_TRANSP_BDIR0 (1 << 3) +#define MC2_TRANSP_BDIR1 (1 << 4) +#define MC2_AUDIO_EN (1 << 5) +#define MC2_PSW_EN (1 << 6) +#define MC2_EN2V7 (1 << 7) + +#define ISP1301_I2C_OTG_CONTROL_1 0x06 /* u8 read, set, +1 clear */ + +#define OTG1_DP_PULLUP (1 << 0) +#define OTG1_DM_PULLUP (1 << 1) +#define OTG1_DP_PULLDOWN (1 << 2) +#define OTG1_DM_PULLDOWN (1 << 3) +#define OTG1_ID_PULLDOWN (1 << 4) +#define OTG1_VBUS_DRV (1 << 5) +#define OTG1_VBUS_DISCHRG (1 << 6) +#define OTG1_VBUS_CHRG (1 << 7) + +#define ISP1301_I2C_OTG_CONTROL_2 0x10 /* u8 readonly */ + +#define OTG_B_SESS_END (1 << 6) +#define OTG_B_SESS_VLD (1 << 7) + +#define ISP1301_I2C_INTERRUPT_SOURCE 0x8 +#define ISP1301_I2C_INTERRUPT_LATCH 0xA +#define ISP1301_I2C_INTERRUPT_FALLING 0xC +#define ISP1301_I2C_INTERRUPT_RISING 0xE + +#define INT_VBUS_VLD (1 << 0) +#define INT_SESS_VLD (1 << 1) +#define INT_DP_HI (1 << 2) +#define INT_ID_GND (1 << 3) +#define INT_DM_HI (1 << 4) +#define INT_ID_FLOAT (1 << 5) +#define INT_BDIS_ACON (1 << 6) +#define INT_CR_INT (1 << 7) + +#define ISP1301_I2C_REG_CLEAR_ADDR 1 /* Register Address Modifier */ + +struct i2c_client *isp1301_get_client(struct device_node *node); + +#endif /* __LINUX_USB_ISP1301_H */ -- cgit v1.3-8-gc7d7 From 32078f915d1acab356080b144aa89fe3487f3979 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 7 May 2012 14:02:13 -0700 Subject: USB: serial: remove usb_serial_disconnect call in all drivers MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This is now set by the usb-serial core, no need for the driver to individually set it. Thanks to Alan Stern for the idea to get rid of it. Cc: William Greathouse Cc: Matthias Bruestle and Harald Welte Cc: Lonnie Mendez Cc: Peter Berger Cc: Al Borchers Cc: Gary Brubaker Cc: Oliver Neukum Cc: Matthias Urlichs Cc: Support Department Cc: Rusty Russell Cc: Alan Stern Cc: Mauro Carvalho Chehab Cc: Kautuk Consul Cc: Bill Pemberton Cc: Paul Gortmaker Cc: Bart Hartgers Cc: Johan Hovold Cc: Preston Fick Cc: Uwe Bonnes Cc: Simon Arlott Cc: Andrew Worsley Cc: "Michał Wróbel" Cc: Andrew Morton Cc: Eric Dumazet Cc: "Eric W. Biederman" Cc: Felipe Balbi Cc: Aleksey Babahin Cc: Dan Carpenter Cc: Jiri Kosina Cc: Donald Lee Cc: Julia Lawall Cc: Michal Sroczynski Cc: Wang YanQing Cc: Dan Williams Cc: Thomas Tuttle Cc: Rigbert Hamisch Cc: "Rafael J. Wysocki" Cc: Kuninori Morimoto Cc: Jesper Juhl Cc: Adhir Ramjiawan Signed-off-by: Greg Kroah-Hartman --- drivers/staging/quatech_usb2/quatech_usb2.c | 1 - drivers/staging/serqt_usb2/serqt_usb2.c | 1 - drivers/usb/serial/aircable.c | 1 - drivers/usb/serial/ark3116.c | 1 - drivers/usb/serial/belkin_sa.c | 1 - drivers/usb/serial/ch341.c | 1 - drivers/usb/serial/cp210x.c | 1 - drivers/usb/serial/cyberjack.c | 1 - drivers/usb/serial/cypress_m8.c | 1 - drivers/usb/serial/digi_acceleport.c | 1 - drivers/usb/serial/empeg.c | 1 - drivers/usb/serial/f81232.c | 1 - drivers/usb/serial/ftdi_sio.c | 1 - drivers/usb/serial/funsoft.c | 1 - drivers/usb/serial/garmin_gps.c | 1 - drivers/usb/serial/generic.c | 1 - drivers/usb/serial/hp4x.c | 1 - drivers/usb/serial/io_tables.h | 1 - drivers/usb/serial/io_ti.c | 1 - drivers/usb/serial/ipaq.c | 1 - drivers/usb/serial/ipw.c | 1 - drivers/usb/serial/ir-usb.c | 1 - drivers/usb/serial/iuu_phoenix.c | 1 - drivers/usb/serial/keyspan.h | 1 - drivers/usb/serial/keyspan_pda.c | 1 - drivers/usb/serial/kl5kusb105.c | 1 - drivers/usb/serial/kobil_sct.c | 1 - drivers/usb/serial/mct_u232.c | 1 - drivers/usb/serial/metro-usb.c | 1 - drivers/usb/serial/mos7720.c | 1 - drivers/usb/serial/mos7840.c | 1 - drivers/usb/serial/moto_modem.c | 1 - drivers/usb/serial/navman.c | 1 - drivers/usb/serial/omninet.c | 1 - drivers/usb/serial/opticon.c | 1 - drivers/usb/serial/option.c | 1 - drivers/usb/serial/oti6858.c | 1 - drivers/usb/serial/pl2303.c | 1 - drivers/usb/serial/qcaux.c | 1 - drivers/usb/serial/qcserial.c | 1 - drivers/usb/serial/safe_serial.c | 1 - drivers/usb/serial/siemens_mpi.c | 1 - drivers/usb/serial/sierra.c | 1 - drivers/usb/serial/spcp8x5.c | 1 - drivers/usb/serial/ssu100.c | 1 - drivers/usb/serial/symbolserial.c | 1 - drivers/usb/serial/ti_usb_3410_5052.c | 1 - drivers/usb/serial/usb-serial.c | 26 +++++++++++++------------- drivers/usb/serial/usb_debug.c | 1 - drivers/usb/serial/visor.c | 1 - drivers/usb/serial/vivopay-serial.c | 1 - drivers/usb/serial/whiteheat.c | 1 - drivers/usb/serial/zio.c | 1 - include/linux/usb/serial.h | 1 - 54 files changed, 13 insertions(+), 66 deletions(-) (limited to 'include/linux/usb') diff --git a/drivers/staging/quatech_usb2/quatech_usb2.c b/drivers/staging/quatech_usb2/quatech_usb2.c index 70147b9d2b52..4e9c00e53261 100644 --- a/drivers/staging/quatech_usb2/quatech_usb2.c +++ b/drivers/staging/quatech_usb2/quatech_usb2.c @@ -132,7 +132,6 @@ MODULE_DEVICE_TABLE(usb, quausb2_id_table); /* custom structures we need go here */ static struct usb_driver quausb2_usb_driver = { .name = "quatech-usb2-serial", - .disconnect = usb_serial_disconnect, .id_table = quausb2_id_table, }; diff --git a/drivers/staging/serqt_usb2/serqt_usb2.c b/drivers/staging/serqt_usb2/serqt_usb2.c index d6e5e18332f4..1ffdaefa79be 100644 --- a/drivers/staging/serqt_usb2/serqt_usb2.c +++ b/drivers/staging/serqt_usb2/serqt_usb2.c @@ -197,7 +197,6 @@ struct quatech_port { static struct usb_driver serqt_usb_driver = { .name = "quatech-usb-serial", - .disconnect = usb_serial_disconnect, .id_table = serqt_id_table, }; diff --git a/drivers/usb/serial/aircable.c b/drivers/usb/serial/aircable.c index ac69b82b1fe7..93aabd292b48 100644 --- a/drivers/usb/serial/aircable.c +++ b/drivers/usb/serial/aircable.c @@ -172,7 +172,6 @@ static void aircable_process_read_urb(struct urb *urb) static struct usb_driver aircable_driver = { .name = "aircable", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c index 33dc0e37ebb7..4b79679183ba 100644 --- a/drivers/usb/serial/ark3116.c +++ b/drivers/usb/serial/ark3116.c @@ -716,7 +716,6 @@ static void ark3116_process_read_urb(struct urb *urb) static struct usb_driver ark3116_driver = { .name = "ark3116", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/belkin_sa.c b/drivers/usb/serial/belkin_sa.c index eb12616dbf6f..13031bb1e2cb 100644 --- a/drivers/usb/serial/belkin_sa.c +++ b/drivers/usb/serial/belkin_sa.c @@ -75,7 +75,6 @@ MODULE_DEVICE_TABLE(usb, id_table_combined); static struct usb_driver belkin_driver = { .name = "belkin", - .disconnect = usb_serial_disconnect, .id_table = id_table_combined, }; diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c index 83fd8e08ea53..4f0260a9013a 100644 --- a/drivers/usb/serial/ch341.c +++ b/drivers/usb/serial/ch341.c @@ -597,7 +597,6 @@ static int ch341_reset_resume(struct usb_interface *intf) static struct usb_driver ch341_driver = { .name = "ch341", - .disconnect = usb_serial_disconnect, .reset_resume = ch341_reset_resume, .id_table = id_table, }; diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index cbfc08dd67cd..02a1cab92485 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -158,7 +158,6 @@ struct cp210x_port_private { static struct usb_driver cp210x_driver = { .name = "cp210x", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c index 5e765085fad0..37fb911c1cc0 100644 --- a/drivers/usb/serial/cyberjack.c +++ b/drivers/usb/serial/cyberjack.c @@ -79,7 +79,6 @@ MODULE_DEVICE_TABLE(usb, id_table); static struct usb_driver cyberjack_driver = { .name = "cyberjack", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c index 14b64ba3eec0..df53d57edb3f 100644 --- a/drivers/usb/serial/cypress_m8.c +++ b/drivers/usb/serial/cypress_m8.c @@ -91,7 +91,6 @@ MODULE_DEVICE_TABLE(usb, id_table_combined); static struct usb_driver cypress_driver = { .name = "cypress", - .disconnect = usb_serial_disconnect, .id_table = id_table_combined, }; diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c index 00abe81b5520..3b584db1599f 100644 --- a/drivers/usb/serial/digi_acceleport.c +++ b/drivers/usb/serial/digi_acceleport.c @@ -273,7 +273,6 @@ MODULE_DEVICE_TABLE(usb, id_table_combined); static struct usb_driver digi_driver = { .name = "digi_acceleport", - .disconnect = usb_serial_disconnect, .id_table = id_table_combined, }; diff --git a/drivers/usb/serial/empeg.c b/drivers/usb/serial/empeg.c index cbef1a5d87a0..80447e5a6926 100644 --- a/drivers/usb/serial/empeg.c +++ b/drivers/usb/serial/empeg.c @@ -53,7 +53,6 @@ MODULE_DEVICE_TABLE(usb, id_table); static struct usb_driver empeg_driver = { .name = "empeg", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/f81232.c b/drivers/usb/serial/f81232.c index db65e7e9f8da..9052ec3cdf70 100644 --- a/drivers/usb/serial/f81232.c +++ b/drivers/usb/serial/f81232.c @@ -352,7 +352,6 @@ static void f81232_release(struct usb_serial *serial) static struct usb_driver f81232_driver = { .name = "f81232", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 40f9993b3796..7fbba462a68e 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -863,7 +863,6 @@ MODULE_DEVICE_TABLE(usb, id_table_combined); static struct usb_driver ftdi_driver = { .name = "ftdi_sio", - .disconnect = usb_serial_disconnect, .id_table = id_table_combined, }; diff --git a/drivers/usb/serial/funsoft.c b/drivers/usb/serial/funsoft.c index 168acbb54a0c..2049911ae759 100644 --- a/drivers/usb/serial/funsoft.c +++ b/drivers/usb/serial/funsoft.c @@ -26,7 +26,6 @@ MODULE_DEVICE_TABLE(usb, id_table); static struct usb_driver funsoft_driver = { .name = "funsoft", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c index 3a570597f587..0e595a6521ec 100644 --- a/drivers/usb/serial/garmin_gps.c +++ b/drivers/usb/serial/garmin_gps.c @@ -221,7 +221,6 @@ MODULE_DEVICE_TABLE(usb, id_table); static struct usb_driver garmin_driver = { .name = "garmin_gps", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index 2cc39badf90a..a2dcf0871811 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -52,7 +52,6 @@ static const struct usb_device_id generic_serial_ids[] = { static struct usb_driver generic_driver = { .name = "usbserial_generic", .probe = generic_probe, - .disconnect = usb_serial_disconnect, .id_table = generic_serial_ids, }; diff --git a/drivers/usb/serial/hp4x.c b/drivers/usb/serial/hp4x.c index d800ff308bd3..37fe402ba830 100644 --- a/drivers/usb/serial/hp4x.c +++ b/drivers/usb/serial/hp4x.c @@ -38,7 +38,6 @@ MODULE_DEVICE_TABLE(usb, id_table); static struct usb_driver hp49gp_driver = { .name = "hp4X", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/io_tables.h b/drivers/usb/serial/io_tables.h index 7498b5e6a039..650693b1e18b 100644 --- a/drivers/usb/serial/io_tables.h +++ b/drivers/usb/serial/io_tables.h @@ -97,7 +97,6 @@ MODULE_DEVICE_TABLE(usb, id_table_combined); static struct usb_driver io_driver = { .name = "io_edgeport", - .disconnect = usb_serial_disconnect, .id_table = id_table_combined, }; diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index 88ab9f6be1ed..643c12014312 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -199,7 +199,6 @@ MODULE_DEVICE_TABLE(usb, id_table_combined); static struct usb_driver io_driver = { .name = "io_ti", - .disconnect = usb_serial_disconnect, .id_table = id_table_combined, }; diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c index 340c39e330b0..7d1ae700c29d 100644 --- a/drivers/usb/serial/ipaq.c +++ b/drivers/usb/serial/ipaq.c @@ -504,7 +504,6 @@ MODULE_DEVICE_TABLE(usb, ipaq_id_table); static struct usb_driver ipaq_driver = { .name = "ipaq", - .disconnect = usb_serial_disconnect, .id_table = ipaq_id_table, }; diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c index b42e1bb3c7e9..76901336cfeb 100644 --- a/drivers/usb/serial/ipw.c +++ b/drivers/usb/serial/ipw.c @@ -141,7 +141,6 @@ MODULE_DEVICE_TABLE(usb, usb_ipw_ids); static struct usb_driver usb_ipw_driver = { .name = "ipwtty", - .disconnect = usb_serial_disconnect, .id_table = usb_ipw_ids, }; diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c index 7cee1019e0d5..c69a81ec2fd6 100644 --- a/drivers/usb/serial/ir-usb.c +++ b/drivers/usb/serial/ir-usb.c @@ -79,7 +79,6 @@ MODULE_DEVICE_TABLE(usb, ir_id_table); static struct usb_driver ir_driver = { .name = "ir-usb", - .disconnect = usb_serial_disconnect, .id_table = ir_id_table, }; diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c index 88a093180dab..500e8fbdd9e5 100644 --- a/drivers/usb/serial/iuu_phoenix.c +++ b/drivers/usb/serial/iuu_phoenix.c @@ -53,7 +53,6 @@ MODULE_DEVICE_TABLE(usb, id_table); static struct usb_driver iuu_driver = { .name = "iuu_phoenix", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/keyspan.h b/drivers/usb/serial/keyspan.h index 4ebf90616cd5..bb018dfaaa4a 100644 --- a/drivers/usb/serial/keyspan.h +++ b/drivers/usb/serial/keyspan.h @@ -489,7 +489,6 @@ MODULE_DEVICE_TABLE(usb, keyspan_ids_combined); static struct usb_driver keyspan_driver = { .name = "keyspan", - .disconnect = usb_serial_disconnect, .id_table = keyspan_ids_combined, }; diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c index 218169a7bd75..62574cf7e74c 100644 --- a/drivers/usb/serial/keyspan_pda.c +++ b/drivers/usb/serial/keyspan_pda.c @@ -88,7 +88,6 @@ MODULE_DEVICE_TABLE(usb, id_table_combined); static struct usb_driver keyspan_pda_driver = { .name = "keyspan_pda", - .disconnect = usb_serial_disconnect, .id_table = id_table_combined, }; diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c index c97ca54bd8b3..26dcfac6f6a8 100644 --- a/drivers/usb/serial/kl5kusb105.c +++ b/drivers/usb/serial/kl5kusb105.c @@ -88,7 +88,6 @@ MODULE_DEVICE_TABLE(usb, id_table); static struct usb_driver kl5kusb105d_driver = { .name = "kl5kusb105d", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c index d62d1375468e..68fb36a81b46 100644 --- a/drivers/usb/serial/kobil_sct.c +++ b/drivers/usb/serial/kobil_sct.c @@ -87,7 +87,6 @@ MODULE_DEVICE_TABLE(usb, id_table); static struct usb_driver kobil_driver = { .name = "kobil", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c index bea53f1ad610..a63d1e8be911 100644 --- a/drivers/usb/serial/mct_u232.c +++ b/drivers/usb/serial/mct_u232.c @@ -85,7 +85,6 @@ MODULE_DEVICE_TABLE(usb, id_table_combined); static struct usb_driver mct_u232_driver = { .name = "mct_u232", - .disconnect = usb_serial_disconnect, .id_table = id_table_combined, }; diff --git a/drivers/usb/serial/metro-usb.c b/drivers/usb/serial/metro-usb.c index 06cf5c87a96c..14ad1db38ab5 100644 --- a/drivers/usb/serial/metro-usb.c +++ b/drivers/usb/serial/metro-usb.c @@ -421,7 +421,6 @@ static void metrousb_unthrottle(struct tty_struct *tty) static struct usb_driver metrousb_driver = { .name = "metro-usb", - .disconnect = usb_serial_disconnect, .id_table = id_table }; diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c index 0a0e8b427235..eef0d844ef76 100644 --- a/drivers/usb/serial/mos7720.c +++ b/drivers/usb/serial/mos7720.c @@ -2160,7 +2160,6 @@ static void mos7720_release(struct usb_serial *serial) static struct usb_driver usb_driver = { .name = "moschip7720", - .disconnect = usb_serial_disconnect, .id_table = moschip_port_id_table, }; diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index 8f370e08c439..91c3c5eb74c5 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -2785,7 +2785,6 @@ static void mos7840_release(struct usb_serial *serial) static struct usb_driver io_driver = { .name = "mos7840", - .disconnect = usb_serial_disconnect, .id_table = moschip_id_table_combined, }; diff --git a/drivers/usb/serial/moto_modem.c b/drivers/usb/serial/moto_modem.c index 36b5a75088c0..f6b055fb8eec 100644 --- a/drivers/usb/serial/moto_modem.c +++ b/drivers/usb/serial/moto_modem.c @@ -33,7 +33,6 @@ MODULE_DEVICE_TABLE(usb, id_table); static struct usb_driver moto_driver = { .name = "moto-modem", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/navman.c b/drivers/usb/serial/navman.c index d750fa14947c..6f12bbc51fc9 100644 --- a/drivers/usb/serial/navman.c +++ b/drivers/usb/serial/navman.c @@ -32,7 +32,6 @@ MODULE_DEVICE_TABLE(usb, id_table); static struct usb_driver navman_driver = { .name = "navman", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c index 5cf1f5a114af..72176f38d219 100644 --- a/drivers/usb/serial/omninet.c +++ b/drivers/usb/serial/omninet.c @@ -59,7 +59,6 @@ MODULE_DEVICE_TABLE(usb, id_table); static struct usb_driver omninet_driver = { .name = "omninet", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c index 5a0f25c4bc07..fe12cac4462c 100644 --- a/drivers/usb/serial/opticon.c +++ b/drivers/usb/serial/opticon.c @@ -585,7 +585,6 @@ static int opticon_resume(struct usb_interface *intf) static struct usb_driver opticon_driver = { .name = "opticon", - .disconnect = usb_serial_disconnect, .suspend = opticon_suspend, .resume = opticon_resume, .id_table = id_table, diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index a654f17424a4..780c27658b9c 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1222,7 +1222,6 @@ MODULE_DEVICE_TABLE(usb, option_ids); static struct usb_driver option_driver = { .name = "option", - .disconnect = usb_serial_disconnect, .id_table = option_ids, }; diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c index bd3ce4908d53..9b195030cbaa 100644 --- a/drivers/usb/serial/oti6858.c +++ b/drivers/usb/serial/oti6858.c @@ -68,7 +68,6 @@ MODULE_DEVICE_TABLE(usb, id_table); static struct usb_driver oti6858_driver = { .name = "oti6858", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 93607a4d330b..642136e39fa6 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -97,7 +97,6 @@ MODULE_DEVICE_TABLE(usb, id_table); static struct usb_driver pl2303_driver = { .name = "pl2303", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/qcaux.c b/drivers/usb/serial/qcaux.c index 1be0653570c4..b0b41c11e147 100644 --- a/drivers/usb/serial/qcaux.c +++ b/drivers/usb/serial/qcaux.c @@ -79,7 +79,6 @@ MODULE_DEVICE_TABLE(usb, id_table); static struct usb_driver qcaux_driver = { .name = "qcaux", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index 6c82f468fa19..400a59e4b0ed 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -114,7 +114,6 @@ MODULE_DEVICE_TABLE(usb, id_table); static struct usb_driver qcdriver = { .name = "qcserial", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/safe_serial.c b/drivers/usb/serial/safe_serial.c index 15db52206d69..546ea12455f3 100644 --- a/drivers/usb/serial/safe_serial.c +++ b/drivers/usb/serial/safe_serial.c @@ -153,7 +153,6 @@ MODULE_DEVICE_TABLE(usb, id_table); static struct usb_driver safe_driver = { .name = "safe_serial", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/siemens_mpi.c b/drivers/usb/serial/siemens_mpi.c index b5e929865b94..0d3108af1d04 100644 --- a/drivers/usb/serial/siemens_mpi.c +++ b/drivers/usb/serial/siemens_mpi.c @@ -31,7 +31,6 @@ MODULE_DEVICE_TABLE(usb, id_table); static struct usb_driver siemens_usb_mpi_driver = { .name = "siemens_mpi", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index 5f55cfe12e9d..11be3c6c958c 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -1053,7 +1053,6 @@ static int sierra_reset_resume(struct usb_interface *intf) static struct usb_driver sierra_driver = { .name = "sierra", - .disconnect = usb_serial_disconnect, .reset_resume = sierra_reset_resume, .id_table = id_table, }; diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c index 754b138d1848..51e43ccef10c 100644 --- a/drivers/usb/serial/spcp8x5.c +++ b/drivers/usb/serial/spcp8x5.c @@ -153,7 +153,6 @@ enum spcp8x5_type { static struct usb_driver spcp8x5_driver = { .name = "spcp8x5", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c index fcc00241afec..f72b03f83be2 100644 --- a/drivers/usb/serial/ssu100.c +++ b/drivers/usb/serial/ssu100.c @@ -65,7 +65,6 @@ MODULE_DEVICE_TABLE(usb, id_table); static struct usb_driver ssu100_driver = { .name = "ssu100", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/symbolserial.c b/drivers/usb/serial/symbolserial.c index 454d80ab6f6c..5ef07ca6fe92 100644 --- a/drivers/usb/serial/symbolserial.c +++ b/drivers/usb/serial/symbolserial.c @@ -271,7 +271,6 @@ static void symbol_release(struct usb_serial *serial) static struct usb_driver symbol_driver = { .name = "symbol", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index 29b9c95105c3..9d96224494b8 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -213,7 +213,6 @@ static struct usb_device_id ti_id_table_combined[18+2*TI_EXTRA_VID_PID_COUNT+1] static struct usb_driver ti_usb_driver = { .name = "ti_usb_3410_5052", - .disconnect = usb_serial_disconnect, .id_table = ti_id_table_combined, }; diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index e8c4ac964e39..9791312052e9 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -43,17 +43,6 @@ #define DRIVER_AUTHOR "Greg Kroah-Hartman, greg@kroah.com, http://www.kroah.com/linux/" #define DRIVER_DESC "USB Serial Driver core" -/* Driver structure we register with the USB core */ -static struct usb_driver usb_serial_driver = { - .name = "usbserial", - .probe = usb_serial_probe, - .disconnect = usb_serial_disconnect, - .suspend = usb_serial_suspend, - .resume = usb_serial_resume, - .no_dynamic_id = 1, - .supports_autosuspend = 1, -}; - /* There is no MODULE_DEVICE_TABLE for usbserial.c. Instead the MODULE_DEVICE_TABLE declarations in each serial driver cause the "hotplug" program to pull in whatever module is necessary @@ -1099,7 +1088,7 @@ probe_error: return -EIO; } -void usb_serial_disconnect(struct usb_interface *interface) +static void usb_serial_disconnect(struct usb_interface *interface) { int i; struct usb_serial *serial = usb_get_intfdata(interface); @@ -1134,7 +1123,6 @@ void usb_serial_disconnect(struct usb_interface *interface) usb_serial_put(serial); dev_info(dev, "device disconnected\n"); } -EXPORT_SYMBOL_GPL(usb_serial_disconnect); int usb_serial_suspend(struct usb_interface *intf, pm_message_t message) { @@ -1201,6 +1189,17 @@ static const struct tty_operations serial_ops = { struct tty_driver *usb_serial_tty_driver; +/* Driver structure we register with the USB core */ +static struct usb_driver usb_serial_driver = { + .name = "usbserial", + .probe = usb_serial_probe, + .disconnect = usb_serial_disconnect, + .suspend = usb_serial_suspend, + .resume = usb_serial_resume, + .no_dynamic_id = 1, + .supports_autosuspend = 1, +}; + static int __init usb_serial_init(void) { int i; @@ -1400,6 +1399,7 @@ int usb_serial_register_drivers(struct usb_driver *udriver, udriver->suspend = usb_serial_suspend; udriver->resume = usb_serial_resume; udriver->probe = usb_serial_probe; + udriver->disconnect = usb_serial_disconnect; rc = usb_register(udriver); if (rc) return rc; diff --git a/drivers/usb/serial/usb_debug.c b/drivers/usb/serial/usb_debug.c index 4e5426f39859..e22e5435ff96 100644 --- a/drivers/usb/serial/usb_debug.c +++ b/drivers/usb/serial/usb_debug.c @@ -37,7 +37,6 @@ MODULE_DEVICE_TABLE(usb, id_table); static struct usb_driver debug_driver = { .name = "debug", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c index 36e782af0999..2e24bd34754c 100644 --- a/drivers/usb/serial/visor.c +++ b/drivers/usb/serial/visor.c @@ -165,7 +165,6 @@ MODULE_DEVICE_TABLE(usb, id_table_combined); static struct usb_driver visor_driver = { .name = "visor", - .disconnect = usb_serial_disconnect, .id_table = id_table_combined, }; diff --git a/drivers/usb/serial/vivopay-serial.c b/drivers/usb/serial/vivopay-serial.c index 939ad7fb876f..c7d8ab359454 100644 --- a/drivers/usb/serial/vivopay-serial.c +++ b/drivers/usb/serial/vivopay-serial.c @@ -27,7 +27,6 @@ MODULE_DEVICE_TABLE(usb, id_table); static struct usb_driver vivopay_serial_driver = { .name = "vivopay-serial", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c index a0df894b3428..76840cdb818d 100644 --- a/drivers/usb/serial/whiteheat.c +++ b/drivers/usb/serial/whiteheat.c @@ -79,7 +79,6 @@ MODULE_DEVICE_TABLE(usb, id_table_combined); static struct usb_driver whiteheat_driver = { .name = "whiteheat", - .disconnect = usb_serial_disconnect, .id_table = id_table_combined, }; diff --git a/drivers/usb/serial/zio.c b/drivers/usb/serial/zio.c index 2e858c35d9cf..4822cc84a668 100644 --- a/drivers/usb/serial/zio.c +++ b/drivers/usb/serial/zio.c @@ -24,7 +24,6 @@ MODULE_DEVICE_TABLE(usb, id_table); static struct usb_driver zio_driver = { .name = "zio", - .disconnect = usb_serial_disconnect, .id_table = id_table, }; diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index 474283888233..17e9746bbeb0 100644 --- a/include/linux/usb/serial.h +++ b/include/linux/usb/serial.h @@ -300,7 +300,6 @@ extern void usb_serial_port_softint(struct usb_serial_port *port); extern int usb_serial_probe(struct usb_interface *iface, const struct usb_device_id *id); -extern void usb_serial_disconnect(struct usb_interface *iface); extern int usb_serial_suspend(struct usb_interface *intf, pm_message_t message); extern int usb_serial_resume(struct usb_interface *intf); -- cgit v1.3-8-gc7d7 From 2edd284bd752e58ccb312f3d623267fb79857db3 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 7 May 2012 14:46:48 -0700 Subject: USB: serial: remove bizarre generic_serial probe function I can't remember why I wrote it like this many many years ago, but it's not needed at all, let's rely on the usb-serial core for this function, especially as it is being overridden by it anyway. This lets us make usb_serial_probe() a static function, which it should be. Cc: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/generic.c | 14 -------------- drivers/usb/serial/usb-serial.c | 2 +- include/linux/usb/serial.h | 3 --- 3 files changed, 1 insertion(+), 18 deletions(-) (limited to 'include/linux/usb') diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index a2dcf0871811..4e5e993771e9 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -28,9 +28,6 @@ static int debug; #ifdef CONFIG_USB_SERIAL_GENERIC -static int generic_probe(struct usb_interface *interface, - const struct usb_device_id *id); - static __u16 vendor = 0x05f9; static __u16 product = 0xffff; @@ -51,7 +48,6 @@ static const struct usb_device_id generic_serial_ids[] = { static struct usb_driver generic_driver = { .name = "usbserial_generic", - .probe = generic_probe, .id_table = generic_serial_ids, }; @@ -74,16 +70,6 @@ static struct usb_serial_driver * const serial_drivers[] = { &usb_serial_generic_device, NULL }; -static int generic_probe(struct usb_interface *interface, - const struct usb_device_id *id) -{ - const struct usb_device_id *id_pattern; - - id_pattern = usb_match_id(interface, generic_device_ids); - if (id_pattern != NULL) - return usb_serial_probe(interface, id); - return -ENODEV; -} #endif int usb_serial_generic_register(int _debug) diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 9791312052e9..d1840aef0d53 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -699,7 +699,7 @@ static const struct tty_port_operations serial_port_ops = { .shutdown = serial_down, }; -int usb_serial_probe(struct usb_interface *interface, +static int usb_serial_probe(struct usb_interface *interface, const struct usb_device_id *id) { struct usb_device *dev = interface_to_usbdev(interface); diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index 17e9746bbeb0..749836f2890c 100644 --- a/include/linux/usb/serial.h +++ b/include/linux/usb/serial.h @@ -298,9 +298,6 @@ extern void usb_serial_deregister_drivers(struct usb_driver *udriver, struct usb_serial_driver * const serial_drivers[]); extern void usb_serial_port_softint(struct usb_serial_port *port); -extern int usb_serial_probe(struct usb_interface *iface, - const struct usb_device_id *id); - extern int usb_serial_suspend(struct usb_interface *intf, pm_message_t message); extern int usb_serial_resume(struct usb_interface *intf); -- cgit v1.3-8-gc7d7 From 68e24113457e437b1576670f2419b77ed0531e9e Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Tue, 8 May 2012 15:46:14 -0700 Subject: USB: serial: rework usb_serial_register/deregister_drivers() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This reworks the usb_serial_register_drivers() and usb_serial_deregister_drivers() to not need a pointer to a struct usb_driver anymore. The usb_driver structure is now created dynamically and registered and unregistered as needed. This saves lines of code in each usb-serial driver. All in-kernel users of these functions were also fixed up at this time. The pl2303 driver was tested that everything worked properly. Thanks for the idea to do this from Alan Stern. Cc: Adhir Ramjiawan Cc: Alan Stern Cc: Al Borchers Cc: Aleksey Babahin Cc: Andrew Morton Cc: Andrew Worsley Cc: Bart Hartgers Cc: Bill Pemberton Cc: Dan Carpenter Cc: Dan Williams Cc: Donald Lee Cc: Eric Dumazet Cc: "Eric W. Biederman" Cc: Felipe Balbi Cc: Gary Brubaker Cc: Jesper Juhl Cc: Jiri Kosina Cc: Johan Hovold Cc: Julia Lawall Cc: Kautuk Consul Cc: Kuninori Morimoto Cc: Lonnie Mendez Cc: Matthias Bruestle and Harald Welte Cc: Matthias Urlichs Cc: Mauro Carvalho Chehab Cc: Michal Sroczynski Cc: "Michał Wróbel" Cc: Oliver Neukum Cc: Paul Gortmaker Cc: Peter Berger Cc: Preston Fick Cc: "Rafael J. Wysocki" Cc: Rigbert Hamisch Cc: Rusty Russell Cc: Simon Arlott Cc: Support Department Cc: Thomas Tuttle Cc: Uwe Bonnes Cc: Wang YanQing Cc: William Greathouse Signed-off-by: Greg Kroah-Hartman --- drivers/staging/quatech_usb2/quatech_usb2.c | 15 +++-------- drivers/staging/serqt_usb2/serqt_usb2.c | 14 +++-------- drivers/usb/serial/aircable.c | 7 +----- drivers/usb/serial/ark3116.c | 7 +----- drivers/usb/serial/belkin_sa.c | 13 +++------- drivers/usb/serial/ch341.c | 7 +----- drivers/usb/serial/cp210x.c | 7 +----- drivers/usb/serial/cyberjack.c | 7 +----- drivers/usb/serial/cypress_m8.c | 7 +----- drivers/usb/serial/digi_acceleport.c | 8 +----- drivers/usb/serial/empeg.c | 7 +----- drivers/usb/serial/f81232.c | 8 +----- drivers/usb/serial/ftdi_sio.c | 9 ++----- drivers/usb/serial/funsoft.c | 7 +----- drivers/usb/serial/garmin_gps.c | 8 +----- drivers/usb/serial/generic.c | 9 ++----- drivers/usb/serial/hp4x.c | 7 +----- drivers/usb/serial/io_edgeport.c | 2 +- drivers/usb/serial/io_tables.h | 5 ---- drivers/usb/serial/io_ti.c | 8 +----- drivers/usb/serial/ipaq.c | 7 +----- drivers/usb/serial/ipw.c | 14 +++-------- drivers/usb/serial/ir-usb.c | 9 ++----- drivers/usb/serial/iuu_phoenix.c | 7 +----- drivers/usb/serial/keyspan.c | 2 +- drivers/usb/serial/keyspan.h | 5 ---- drivers/usb/serial/keyspan_pda.c | 7 +----- drivers/usb/serial/kl5kusb105.c | 7 +----- drivers/usb/serial/kobil_sct.c | 10 +------- drivers/usb/serial/mct_u232.c | 14 +++-------- drivers/usb/serial/metro-usb.c | 7 +----- drivers/usb/serial/mos7720.c | 13 +++------- drivers/usb/serial/mos7840.c | 39 ++++------------------------- drivers/usb/serial/moto_modem.c | 7 +----- drivers/usb/serial/navman.c | 7 +----- drivers/usb/serial/omninet.c | 9 +------ drivers/usb/serial/opticon.c | 2 +- drivers/usb/serial/option.c | 7 +----- drivers/usb/serial/oti6858.c | 7 +----- drivers/usb/serial/pl2303.c | 7 +----- drivers/usb/serial/qcaux.c | 7 +----- drivers/usb/serial/qcserial.c | 7 +----- drivers/usb/serial/safe_serial.c | 9 ++----- drivers/usb/serial/siemens_mpi.c | 7 +----- drivers/usb/serial/sierra.c | 7 +----- drivers/usb/serial/spcp8x5.c | 8 +----- drivers/usb/serial/ssu100.c | 9 +------ drivers/usb/serial/symbolserial.c | 7 +----- drivers/usb/serial/ti_usb_3410_5052.c | 11 ++------ drivers/usb/serial/usb-serial.c | 38 ++++++++++++++++------------ drivers/usb/serial/usb_debug.c | 7 +----- drivers/usb/serial/visor.c | 7 +----- drivers/usb/serial/vivopay-serial.c | 7 +----- drivers/usb/serial/whiteheat.c | 6 +---- drivers/usb/serial/zio.c | 7 +----- include/linux/usb/serial.h | 27 ++++++++++++++------ 56 files changed, 120 insertions(+), 400 deletions(-) (limited to 'include/linux/usb') diff --git a/drivers/staging/quatech_usb2/quatech_usb2.c b/drivers/staging/quatech_usb2/quatech_usb2.c index 4e9c00e53261..a977acaf73c1 100644 --- a/drivers/staging/quatech_usb2/quatech_usb2.c +++ b/drivers/staging/quatech_usb2/quatech_usb2.c @@ -116,7 +116,7 @@ static bool debug; #define FOURTHCHAR ((unsigned char *)(urb->transfer_buffer))[i + 3] #define FIFTHCHAR ((unsigned char *)(urb->transfer_buffer))[i + 4] -static const struct usb_device_id quausb2_id_table[] = { +static const struct usb_device_id id_table[] = { {USB_DEVICE(USB_VENDOR_ID_QUATECH, QUATECH_SSU2_100)}, {USB_DEVICE(USB_VENDOR_ID_QUATECH, QUATECH_DSU2_100)}, {USB_DEVICE(USB_VENDOR_ID_QUATECH, QUATECH_DSU2_400)}, @@ -126,14 +126,7 @@ static const struct usb_device_id quausb2_id_table[] = { {USB_DEVICE(USB_VENDOR_ID_QUATECH, QUATECH_ESU2_400)}, {} /* Terminating entry */ }; - -MODULE_DEVICE_TABLE(usb, quausb2_id_table); - -/* custom structures we need go here */ -static struct usb_driver quausb2_usb_driver = { - .name = "quatech-usb2-serial", - .id_table = quausb2_id_table, -}; +MODULE_DEVICE_TABLE(usb, id_table); /** * quatech2_port: Structure in which to keep all the messy stuff that this @@ -1922,7 +1915,7 @@ static struct usb_serial_driver quatech2_device = { .name = "quatech_usb2", }, .description = DRIVER_DESC, - .id_table = quausb2_id_table, + .id_table = id_table, .num_ports = 8, .open = qt2_open, .close = qt2_close, @@ -1947,7 +1940,7 @@ static struct usb_serial_driver * const serial_drivers[] = { &quatech2_device, NULL }; -module_usb_serial_driver(quausb2_usb_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/staging/serqt_usb2/serqt_usb2.c b/drivers/staging/serqt_usb2/serqt_usb2.c index 1ffdaefa79be..f2ae004da5e5 100644 --- a/drivers/staging/serqt_usb2/serqt_usb2.c +++ b/drivers/staging/serqt_usb2/serqt_usb2.c @@ -125,7 +125,7 @@ static bool debug; #define MODEM_CTRL 0x40 #define RS232_MODE 0x00 -static const struct usb_device_id serqt_id_table[] = { +static const struct usb_device_id id_table[] = { {USB_DEVICE(USB_VENDOR_ID_QUATECH, QUATECH_SSU200)}, {USB_DEVICE(USB_VENDOR_ID_QUATECH, QUATECH_DSU100)}, {USB_DEVICE(USB_VENDOR_ID_QUATECH, QUATECH_DSU200)}, @@ -152,8 +152,7 @@ static const struct usb_device_id serqt_id_table[] = { {USB_DEVICE(USB_VENDOR_ID_QUATECH, QUATECH_ESU100_2)}, {} /* Terminating entry */ }; - -MODULE_DEVICE_TABLE(usb, serqt_id_table); +MODULE_DEVICE_TABLE(usb, id_table); struct qt_get_device_data { __u8 porta; @@ -195,11 +194,6 @@ struct quatech_port { char closePending; }; -static struct usb_driver serqt_usb_driver = { - .name = "quatech-usb-serial", - .id_table = serqt_id_table, -}; - static int port_paranoia_check(struct usb_serial_port *port, const char *function) { @@ -1544,7 +1538,7 @@ static struct usb_serial_driver quatech_device = { .name = "serqt", }, .description = DRIVER_DESC, - .id_table = serqt_id_table, + .id_table = id_table, .num_ports = 8, .open = qt_open, .close = qt_close, @@ -1567,7 +1561,7 @@ static struct usb_serial_driver * const serial_drivers[] = { &quatech_device, NULL }; -module_usb_serial_driver(serqt_usb_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/aircable.c b/drivers/usb/serial/aircable.c index 93aabd292b48..cef5d75151dd 100644 --- a/drivers/usb/serial/aircable.c +++ b/drivers/usb/serial/aircable.c @@ -170,11 +170,6 @@ static void aircable_process_read_urb(struct urb *urb) tty_kref_put(tty); } -static struct usb_driver aircable_driver = { - .name = "aircable", - .id_table = id_table, -}; - static struct usb_serial_driver aircable_device = { .driver = { .owner = THIS_MODULE, @@ -194,7 +189,7 @@ static struct usb_serial_driver * const serial_drivers[] = { &aircable_device, NULL }; -module_usb_serial_driver(aircable_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c index 4b79679183ba..9413b7491d43 100644 --- a/drivers/usb/serial/ark3116.c +++ b/drivers/usb/serial/ark3116.c @@ -714,11 +714,6 @@ static void ark3116_process_read_urb(struct urb *urb) tty_kref_put(tty); } -static struct usb_driver ark3116_driver = { - .name = "ark3116", - .id_table = id_table, -}; - static struct usb_serial_driver ark3116_device = { .driver = { .owner = THIS_MODULE, @@ -745,7 +740,7 @@ static struct usb_serial_driver * const serial_drivers[] = { &ark3116_device, NULL }; -module_usb_serial_driver(ark3116_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/belkin_sa.c b/drivers/usb/serial/belkin_sa.c index 13031bb1e2cb..5965df72cd07 100644 --- a/drivers/usb/serial/belkin_sa.c +++ b/drivers/usb/serial/belkin_sa.c @@ -62,7 +62,7 @@ static int belkin_sa_tiocmset(struct tty_struct *tty, unsigned int set, unsigned int clear); -static const struct usb_device_id id_table_combined[] = { +static const struct usb_device_id id_table[] = { { USB_DEVICE(BELKIN_SA_VID, BELKIN_SA_PID) }, { USB_DEVICE(BELKIN_OLD_VID, BELKIN_OLD_PID) }, { USB_DEVICE(PERACOM_VID, PERACOM_PID) }, @@ -71,12 +71,7 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(BELKIN_DOCKSTATION_VID, BELKIN_DOCKSTATION_PID) }, { } /* Terminating entry */ }; -MODULE_DEVICE_TABLE(usb, id_table_combined); - -static struct usb_driver belkin_driver = { - .name = "belkin", - .id_table = id_table_combined, -}; +MODULE_DEVICE_TABLE(usb, id_table); /* All of the device info needed for the serial converters */ static struct usb_serial_driver belkin_device = { @@ -85,7 +80,7 @@ static struct usb_serial_driver belkin_device = { .name = "belkin", }, .description = "Belkin / Peracom / GoHubs USB Serial Adapter", - .id_table = id_table_combined, + .id_table = id_table, .num_ports = 1, .open = belkin_sa_open, .close = belkin_sa_close, @@ -513,7 +508,7 @@ exit: return retval; } -module_usb_serial_driver(belkin_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c index 95b259747697..a2b7ea726bfb 100644 --- a/drivers/usb/serial/ch341.c +++ b/drivers/usb/serial/ch341.c @@ -589,11 +589,6 @@ static int ch341_resume(struct usb_serial *serial) return 0; } -static struct usb_driver ch341_driver = { - .name = "ch341", - .id_table = id_table, -}; - static struct usb_serial_driver ch341_device = { .driver = { .owner = THIS_MODULE, @@ -619,7 +614,7 @@ static struct usb_serial_driver * const serial_drivers[] = { &ch341_device, NULL }; -module_usb_serial_driver(ch341_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index 02a1cab92485..1b1926200ba7 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -156,11 +156,6 @@ struct cp210x_port_private { __u8 bInterfaceNumber; }; -static struct usb_driver cp210x_driver = { - .name = "cp210x", - .id_table = id_table, -}; - static struct usb_serial_driver cp210x_device = { .driver = { .owner = THIS_MODULE, @@ -880,7 +875,7 @@ static void cp210x_release(struct usb_serial *serial) } } -module_usb_serial_driver(cp210x_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_VERSION(DRIVER_VERSION); diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c index 37fb911c1cc0..3aa0b530f68e 100644 --- a/drivers/usb/serial/cyberjack.c +++ b/drivers/usb/serial/cyberjack.c @@ -77,11 +77,6 @@ static const struct usb_device_id id_table[] = { MODULE_DEVICE_TABLE(usb, id_table); -static struct usb_driver cyberjack_driver = { - .name = "cyberjack", - .id_table = id_table, -}; - static struct usb_serial_driver cyberjack_device = { .driver = { .owner = THIS_MODULE, @@ -455,7 +450,7 @@ exit: usb_serial_port_softint(port); } -module_usb_serial_driver(cyberjack_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c index df53d57edb3f..b78c34eb5d3f 100644 --- a/drivers/usb/serial/cypress_m8.c +++ b/drivers/usb/serial/cypress_m8.c @@ -89,11 +89,6 @@ static const struct usb_device_id id_table_combined[] = { MODULE_DEVICE_TABLE(usb, id_table_combined); -static struct usb_driver cypress_driver = { - .name = "cypress", - .id_table = id_table_combined, -}; - enum packet_format { packet_format_1, /* b0:status, b1:payload count */ packet_format_2 /* b0[7:3]:status, b0[2:0]:payload count */ @@ -1308,7 +1303,7 @@ static void cypress_write_int_callback(struct urb *urb) cypress_send(port); } -module_usb_serial_driver(cypress_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table_combined); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c index 3b584db1599f..b5cd838093ef 100644 --- a/drivers/usb/serial/digi_acceleport.c +++ b/drivers/usb/serial/digi_acceleport.c @@ -271,12 +271,6 @@ static const struct usb_device_id id_table_4[] = { MODULE_DEVICE_TABLE(usb, id_table_combined); -static struct usb_driver digi_driver = { - .name = "digi_acceleport", - .id_table = id_table_combined, -}; - - /* device info needed for the Digi serial converter */ static struct usb_serial_driver digi_acceleport_2_device = { @@ -1553,7 +1547,7 @@ static int digi_read_oob_callback(struct urb *urb) } -module_usb_serial_driver(digi_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table_combined); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/empeg.c b/drivers/usb/serial/empeg.c index 80447e5a6926..cdf61dd07318 100644 --- a/drivers/usb/serial/empeg.c +++ b/drivers/usb/serial/empeg.c @@ -51,11 +51,6 @@ static const struct usb_device_id id_table[] = { MODULE_DEVICE_TABLE(usb, id_table); -static struct usb_driver empeg_driver = { - .name = "empeg", - .id_table = id_table, -}; - static struct usb_serial_driver empeg_device = { .driver = { .owner = THIS_MODULE, @@ -134,7 +129,7 @@ static void empeg_init_termios(struct tty_struct *tty) tty_encode_baud_rate(tty, 115200, 115200); } -module_usb_serial_driver(empeg_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/f81232.c b/drivers/usb/serial/f81232.c index 9052ec3cdf70..5a247ff81908 100644 --- a/drivers/usb/serial/f81232.c +++ b/drivers/usb/serial/f81232.c @@ -350,18 +350,12 @@ static void f81232_release(struct usb_serial *serial) } } -static struct usb_driver f81232_driver = { - .name = "f81232", - .id_table = id_table, -}; - static struct usb_serial_driver f81232_device = { .driver = { .owner = THIS_MODULE, .name = "f81232", }, .id_table = id_table, - .usb_driver = &f81232_driver, .num_ports = 1, .bulk_in_size = 256, .bulk_out_size = 256, @@ -385,7 +379,7 @@ static struct usb_serial_driver * const serial_drivers[] = { NULL, }; -module_usb_serial_driver(f81232_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_DESCRIPTION("Fintek F81232 USB to serial adaptor driver"); MODULE_AUTHOR("Greg Kroah-Hartman dev); } -module_usb_serial_driver(ipaq_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, ipaq_id_table); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c index 76901336cfeb..5811d34b6c6b 100644 --- a/drivers/usb/serial/ipw.c +++ b/drivers/usb/serial/ipw.c @@ -132,17 +132,11 @@ enum { #define IPW_WANTS_TO_SEND 0x30 -static const struct usb_device_id usb_ipw_ids[] = { +static const struct usb_device_id id_table[] = { { USB_DEVICE(IPW_VID, IPW_PID) }, { }, }; - -MODULE_DEVICE_TABLE(usb, usb_ipw_ids); - -static struct usb_driver usb_ipw_driver = { - .name = "ipwtty", - .id_table = usb_ipw_ids, -}; +MODULE_DEVICE_TABLE(usb, id_table); static bool debug; @@ -313,7 +307,7 @@ static struct usb_serial_driver ipw_device = { .name = "ipw", }, .description = "IPWireless converter", - .id_table = usb_ipw_ids, + .id_table = id_table, .num_ports = 1, .disconnect = usb_wwan_disconnect, .open = ipw_open, @@ -329,7 +323,7 @@ static struct usb_serial_driver * const serial_drivers[] = { &ipw_device, NULL }; -module_usb_serial_driver(usb_ipw_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); /* Module information */ MODULE_AUTHOR(DRIVER_AUTHOR); diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c index c69a81ec2fd6..e9f8e1916f07 100644 --- a/drivers/usb/serial/ir-usb.c +++ b/drivers/usb/serial/ir-usb.c @@ -77,11 +77,6 @@ static const struct usb_device_id ir_id_table[] = { MODULE_DEVICE_TABLE(usb, ir_id_table); -static struct usb_driver ir_driver = { - .name = "ir-usb", - .id_table = ir_id_table, -}; - static struct usb_serial_driver ir_device = { .driver = { .owner = THIS_MODULE, @@ -436,7 +431,7 @@ static int __init ir_init(void) ir_device.bulk_out_size = buffer_size; } - retval = usb_serial_register_drivers(&ir_driver, serial_drivers); + retval = usb_serial_register_drivers(serial_drivers, KBUILD_MODNAME, ir_id_table); if (retval == 0) printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" DRIVER_DESC "\n"); @@ -445,7 +440,7 @@ static int __init ir_init(void) static void __exit ir_exit(void) { - usb_serial_deregister_drivers(&ir_driver, serial_drivers); + usb_serial_deregister_drivers(serial_drivers); } diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c index 500e8fbdd9e5..22b1eb5040b7 100644 --- a/drivers/usb/serial/iuu_phoenix.c +++ b/drivers/usb/serial/iuu_phoenix.c @@ -51,11 +51,6 @@ static const struct usb_device_id id_table[] = { }; MODULE_DEVICE_TABLE(usb, id_table); -static struct usb_driver iuu_driver = { - .name = "iuu_phoenix", - .id_table = id_table, -}; - /* turbo parameter */ static int boost = 100; static int clockmode = 1; @@ -1254,7 +1249,7 @@ static struct usb_serial_driver * const serial_drivers[] = { &iuu_device, NULL }; -module_usb_serial_driver(iuu_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_AUTHOR("Alain Degreffe eczema@ecze.com"); diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index ec46053ad15f..a1b99243dac9 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -130,7 +130,7 @@ struct keyspan_port_private { #include "keyspan_usa67msg.h" -module_usb_serial_driver(keyspan_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, keyspan_ids_combined); static void keyspan_break_ctl(struct tty_struct *tty, int break_state) { diff --git a/drivers/usb/serial/keyspan.h b/drivers/usb/serial/keyspan.h index bb018dfaaa4a..fe1c5d91692c 100644 --- a/drivers/usb/serial/keyspan.h +++ b/drivers/usb/serial/keyspan.h @@ -487,11 +487,6 @@ static const struct usb_device_id keyspan_ids_combined[] = { MODULE_DEVICE_TABLE(usb, keyspan_ids_combined); -static struct usb_driver keyspan_driver = { - .name = "keyspan", - .id_table = keyspan_ids_combined, -}; - /* usb_device_id table for the pre-firmware download keyspan devices */ static const struct usb_device_id keyspan_pre_ids[] = { { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa18x_pre_product_id) }, diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c index 62574cf7e74c..a4ac3cfeffc4 100644 --- a/drivers/usb/serial/keyspan_pda.c +++ b/drivers/usb/serial/keyspan_pda.c @@ -86,11 +86,6 @@ static const struct usb_device_id id_table_combined[] = { MODULE_DEVICE_TABLE(usb, id_table_combined); -static struct usb_driver keyspan_pda_driver = { - .name = "keyspan_pda", - .id_table = id_table_combined, -}; - static const struct usb_device_id id_table_std[] = { { USB_DEVICE(KEYSPAN_VENDOR_ID, KEYSPAN_PDA_ID) }, { } /* Terminating entry */ @@ -828,7 +823,7 @@ static struct usb_serial_driver * const serial_drivers[] = { NULL }; -module_usb_serial_driver(keyspan_pda_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table_combined); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c index 26dcfac6f6a8..5bed59cd5776 100644 --- a/drivers/usb/serial/kl5kusb105.c +++ b/drivers/usb/serial/kl5kusb105.c @@ -86,11 +86,6 @@ static const struct usb_device_id id_table[] = { MODULE_DEVICE_TABLE(usb, id_table); -static struct usb_driver kl5kusb105d_driver = { - .name = "kl5kusb105d", - .id_table = id_table, -}; - static struct usb_serial_driver kl5kusb105d_device = { .driver = { .owner = THIS_MODULE, @@ -681,7 +676,7 @@ static int klsi_105_tiocmset(struct tty_struct *tty, return retval; } -module_usb_serial_driver(kl5kusb105d_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c index 68fb36a81b46..fafeabb64c55 100644 --- a/drivers/usb/serial/kobil_sct.c +++ b/drivers/usb/serial/kobil_sct.c @@ -81,16 +81,8 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_KAAN_SIM_PRODUCT_ID) }, { } /* Terminating entry */ }; - - MODULE_DEVICE_TABLE(usb, id_table); -static struct usb_driver kobil_driver = { - .name = "kobil", - .id_table = id_table, -}; - - static struct usb_serial_driver kobil_device = { .driver = { .owner = THIS_MODULE, @@ -674,7 +666,7 @@ static int kobil_ioctl(struct tty_struct *tty, } } -module_usb_serial_driver(kobil_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c index a63d1e8be911..d0ec1aa52719 100644 --- a/drivers/usb/serial/mct_u232.c +++ b/drivers/usb/serial/mct_u232.c @@ -73,20 +73,14 @@ static void mct_u232_unthrottle(struct tty_struct *tty); /* * All of the device info needed for the MCT USB-RS232 converter. */ -static const struct usb_device_id id_table_combined[] = { +static const struct usb_device_id id_table[] = { { USB_DEVICE(MCT_U232_VID, MCT_U232_PID) }, { USB_DEVICE(MCT_U232_VID, MCT_U232_SITECOM_PID) }, { USB_DEVICE(MCT_U232_VID, MCT_U232_DU_H3SP_PID) }, { USB_DEVICE(MCT_U232_BELKIN_F5U109_VID, MCT_U232_BELKIN_F5U109_PID) }, { } /* Terminating entry */ }; - -MODULE_DEVICE_TABLE(usb, id_table_combined); - -static struct usb_driver mct_u232_driver = { - .name = "mct_u232", - .id_table = id_table_combined, -}; +MODULE_DEVICE_TABLE(usb, id_table); static struct usb_serial_driver mct_u232_device = { .driver = { @@ -94,7 +88,7 @@ static struct usb_serial_driver mct_u232_device = { .name = "mct_u232", }, .description = "MCT U232", - .id_table = id_table_combined, + .id_table = id_table, .num_ports = 1, .open = mct_u232_open, .close = mct_u232_close, @@ -887,7 +881,7 @@ static int mct_u232_get_icount(struct tty_struct *tty, return 0; } -module_usb_serial_driver(mct_u232_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/metro-usb.c b/drivers/usb/serial/metro-usb.c index 14ad1db38ab5..81423f7361db 100644 --- a/drivers/usb/serial/metro-usb.c +++ b/drivers/usb/serial/metro-usb.c @@ -419,11 +419,6 @@ static void metrousb_unthrottle(struct tty_struct *tty) result); } -static struct usb_driver metrousb_driver = { - .name = "metro-usb", - .id_table = id_table -}; - static struct usb_serial_driver metrousb_device = { .driver = { .owner = THIS_MODULE, @@ -449,7 +444,7 @@ static struct usb_serial_driver * const serial_drivers[] = { NULL, }; -module_usb_serial_driver(metrousb_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Philip Nicastro"); diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c index eef0d844ef76..a07dd3c8cfef 100644 --- a/drivers/usb/serial/mos7720.c +++ b/drivers/usb/serial/mos7720.c @@ -79,12 +79,12 @@ static struct usb_serial_driver moschip7720_2port_driver; #define MOSCHIP_DEVICE_ID_7720 0x7720 #define MOSCHIP_DEVICE_ID_7715 0x7715 -static const struct usb_device_id moschip_port_id_table[] = { +static const struct usb_device_id id_table[] = { { USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7720) }, { USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7715) }, { } /* terminating entry */ }; -MODULE_DEVICE_TABLE(usb, moschip_port_id_table); +MODULE_DEVICE_TABLE(usb, id_table); #ifdef CONFIG_USB_SERIAL_MOS7715_PARPORT @@ -2158,18 +2158,13 @@ static void mos7720_release(struct usb_serial *serial) kfree(usb_get_serial_port_data(serial->port[i])); } -static struct usb_driver usb_driver = { - .name = "moschip7720", - .id_table = moschip_port_id_table, -}; - static struct usb_serial_driver moschip7720_2port_driver = { .driver = { .owner = THIS_MODULE, .name = "moschip7720", }, .description = "Moschip 2 port adapter", - .id_table = moschip_port_id_table, + .id_table = id_table, .calc_num_ports = mos77xx_calc_num_ports, .open = mos7720_open, .close = mos7720_close, @@ -2195,7 +2190,7 @@ static struct usb_serial_driver * const serial_drivers[] = { &moschip7720_2port_driver, NULL }; -module_usb_serial_driver(usb_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index 91c3c5eb74c5..29160f8b5101 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -117,8 +117,7 @@ #define MOSCHIP_DEVICE_ID_7810 0x7810 /* The native component can have its vendor/device id's overridden * in vendor-specific implementations. Such devices can be handled - * by making a change here, in moschip_port_id_table, and in - * moschip_id_table_combined + * by making a change here, in id_table. */ #define USB_VENDOR_ID_BANDB 0x0856 #define BANDB_DEVICE_ID_USO9ML2_2 0xAC22 @@ -191,7 +190,7 @@ static int device_type; -static const struct usb_device_id moschip_port_id_table[] = { +static const struct usb_device_id id_table[] __devinitconst = { {USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7840)}, {USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7820)}, {USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7810)}, @@ -212,30 +211,7 @@ static const struct usb_device_id moschip_port_id_table[] = { {USB_DEVICE(USB_VENDOR_ID_ATENINTL, ATENINTL_DEVICE_ID_UC2322)}, {} /* terminating entry */ }; - -static const struct usb_device_id moschip_id_table_combined[] __devinitconst = { - {USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7840)}, - {USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7820)}, - {USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7810)}, - {USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USO9ML2_2)}, - {USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USO9ML2_2P)}, - {USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USO9ML2_4)}, - {USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USO9ML2_4P)}, - {USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_US9ML2_2)}, - {USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_US9ML2_4)}, - {USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USPTL4_2)}, - {USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USPTL4_4)}, - {USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_2)}, - {USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_2P)}, - {USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_4)}, - {USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_4P)}, - {USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL2_4)}, - {USB_DEVICE(USB_VENDOR_ID_ATENINTL, ATENINTL_DEVICE_ID_UC2324)}, - {USB_DEVICE(USB_VENDOR_ID_ATENINTL, ATENINTL_DEVICE_ID_UC2322)}, - {} /* terminating entry */ -}; - -MODULE_DEVICE_TABLE(usb, moschip_id_table_combined); +MODULE_DEVICE_TABLE(usb, id_table); /* This structure holds all of the local port information */ @@ -2783,18 +2759,13 @@ static void mos7840_release(struct usb_serial *serial) } } -static struct usb_driver io_driver = { - .name = "mos7840", - .id_table = moschip_id_table_combined, -}; - static struct usb_serial_driver moschip7840_4port_device = { .driver = { .owner = THIS_MODULE, .name = "mos7840", }, .description = DRIVER_DESC, - .id_table = moschip_port_id_table, + .id_table = id_table, .num_ports = 4, .open = mos7840_open, .close = mos7840_close, @@ -2824,7 +2795,7 @@ static struct usb_serial_driver * const serial_drivers[] = { &moschip7840_4port_device, NULL }; -module_usb_serial_driver(io_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/moto_modem.c b/drivers/usb/serial/moto_modem.c index f6b055fb8eec..c5ff6c7795a6 100644 --- a/drivers/usb/serial/moto_modem.c +++ b/drivers/usb/serial/moto_modem.c @@ -31,11 +31,6 @@ static const struct usb_device_id id_table[] = { }; MODULE_DEVICE_TABLE(usb, id_table); -static struct usb_driver moto_driver = { - .name = "moto-modem", - .id_table = id_table, -}; - static struct usb_serial_driver moto_device = { .driver = { .owner = THIS_MODULE, @@ -49,5 +44,5 @@ static struct usb_serial_driver * const serial_drivers[] = { &moto_device, NULL }; -module_usb_serial_driver(moto_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/navman.c b/drivers/usb/serial/navman.c index 6f12bbc51fc9..7a09e8a07907 100644 --- a/drivers/usb/serial/navman.c +++ b/drivers/usb/serial/navman.c @@ -30,11 +30,6 @@ static const struct usb_device_id id_table[] = { }; MODULE_DEVICE_TABLE(usb, id_table); -static struct usb_driver navman_driver = { - .name = "navman", - .id_table = id_table, -}; - static void navman_read_int_callback(struct urb *urb) { struct usb_serial_port *port = urb->context; @@ -124,7 +119,7 @@ static struct usb_serial_driver * const serial_drivers[] = { &navman_device, NULL }; -module_usb_serial_driver(navman_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c index 72176f38d219..6f3d7051c7f4 100644 --- a/drivers/usb/serial/omninet.c +++ b/drivers/usb/serial/omninet.c @@ -54,15 +54,8 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(ZYXEL_VENDOR_ID, BT_IGNITIONPRO_ID) }, { } /* Terminating entry */ }; - MODULE_DEVICE_TABLE(usb, id_table); -static struct usb_driver omninet_driver = { - .name = "omninet", - .id_table = id_table, -}; - - static struct usb_serial_driver zyxel_omninet_device = { .driver = { .owner = THIS_MODULE, @@ -306,7 +299,7 @@ static void omninet_release(struct usb_serial *serial) kfree(usb_get_serial_port_data(port)); } -module_usb_serial_driver(omninet_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c index fe12cac4462c..91f89044e08d 100644 --- a/drivers/usb/serial/opticon.c +++ b/drivers/usb/serial/opticon.c @@ -615,7 +615,7 @@ static struct usb_serial_driver * const serial_drivers[] = { &opticon_device, NULL }; -module_usb_serial_driver(opticon_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 780c27658b9c..1aae9028cd0b 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1220,11 +1220,6 @@ static const struct usb_device_id option_ids[] = { }; MODULE_DEVICE_TABLE(usb, option_ids); -static struct usb_driver option_driver = { - .name = "option", - .id_table = option_ids, -}; - /* The card has three separate interfaces, which the serial driver * recognizes separately, thus num_port=1. */ @@ -1293,7 +1288,7 @@ struct option_port_private { unsigned long tx_start_time[N_OUT_URB]; }; -module_usb_serial_driver(option_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, option_ids); static bool is_blacklisted(const u8 ifnum, enum option_blacklist_reason reason, const struct option_blacklist_info *blacklist) diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c index 9b195030cbaa..5976b65ab6ee 100644 --- a/drivers/usb/serial/oti6858.c +++ b/drivers/usb/serial/oti6858.c @@ -66,11 +66,6 @@ static const struct usb_device_id id_table[] = { MODULE_DEVICE_TABLE(usb, id_table); -static struct usb_driver oti6858_driver = { - .name = "oti6858", - .id_table = id_table, -}; - static bool debug; /* requests */ @@ -921,7 +916,7 @@ static void oti6858_write_bulk_callback(struct urb *urb) } } -module_usb_serial_driver(oti6858_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_DESCRIPTION(OTI6858_DESCRIPTION); MODULE_AUTHOR(OTI6858_AUTHOR); diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 642136e39fa6..13b8dd6481f5 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -95,11 +95,6 @@ static const struct usb_device_id id_table[] = { MODULE_DEVICE_TABLE(usb, id_table); -static struct usb_driver pl2303_driver = { - .name = "pl2303", - .id_table = id_table, -}; - #define SET_LINE_REQUEST_TYPE 0x21 #define SET_LINE_REQUEST 0x20 @@ -840,7 +835,7 @@ static struct usb_serial_driver * const serial_drivers[] = { &pl2303_device, NULL }; -module_usb_serial_driver(pl2303_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/qcaux.c b/drivers/usb/serial/qcaux.c index b0b41c11e147..a4edc7ee9c8a 100644 --- a/drivers/usb/serial/qcaux.c +++ b/drivers/usb/serial/qcaux.c @@ -77,11 +77,6 @@ static struct usb_device_id id_table[] = { }; MODULE_DEVICE_TABLE(usb, id_table); -static struct usb_driver qcaux_driver = { - .name = "qcaux", - .id_table = id_table, -}; - static struct usb_serial_driver qcaux_device = { .driver = { .owner = THIS_MODULE, @@ -95,5 +90,5 @@ static struct usb_serial_driver * const serial_drivers[] = { &qcaux_device, NULL }; -module_usb_serial_driver(qcaux_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index 400a59e4b0ed..bc690ae814d0 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -112,11 +112,6 @@ static const struct usb_device_id id_table[] = { }; MODULE_DEVICE_TABLE(usb, id_table); -static struct usb_driver qcdriver = { - .name = "qcserial", - .id_table = id_table, -}; - static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) { struct usb_wwan_intf_private *data; @@ -277,7 +272,7 @@ static struct usb_serial_driver * const serial_drivers[] = { &qcdevice, NULL }; -module_usb_serial_driver(qcdriver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/safe_serial.c b/drivers/usb/serial/safe_serial.c index 546ea12455f3..36e9d9fc0618 100644 --- a/drivers/usb/serial/safe_serial.c +++ b/drivers/usb/serial/safe_serial.c @@ -151,11 +151,6 @@ static struct usb_device_id id_table[] = { MODULE_DEVICE_TABLE(usb, id_table); -static struct usb_driver safe_driver = { - .name = "safe_serial", - .id_table = id_table, -}; - static const __u16 crc10_table[256] = { 0x000, 0x233, 0x255, 0x066, 0x299, 0x0aa, 0x0cc, 0x2ff, 0x301, 0x132, 0x154, 0x367, 0x198, 0x3ab, 0x3cd, 0x1fe, @@ -337,12 +332,12 @@ static int __init safe_init(void) } } - return usb_serial_register_drivers(&safe_driver, serial_drivers); + return usb_serial_register_drivers(serial_drivers, KBUILD_MODNAME, id_table); } static void __exit safe_exit(void) { - usb_serial_deregister_drivers(&safe_driver, serial_drivers); + usb_serial_deregister_drivers(serial_drivers); } module_init(safe_init); diff --git a/drivers/usb/serial/siemens_mpi.c b/drivers/usb/serial/siemens_mpi.c index 0d3108af1d04..e4a1787cdbac 100644 --- a/drivers/usb/serial/siemens_mpi.c +++ b/drivers/usb/serial/siemens_mpi.c @@ -29,11 +29,6 @@ static const struct usb_device_id id_table[] = { }; MODULE_DEVICE_TABLE(usb, id_table); -static struct usb_driver siemens_usb_mpi_driver = { - .name = "siemens_mpi", - .id_table = id_table, -}; - static struct usb_serial_driver siemens_usb_mpi_device = { .driver = { .owner = THIS_MODULE, @@ -47,7 +42,7 @@ static struct usb_serial_driver * const serial_drivers[] = { &siemens_usb_mpi_device, NULL }; -module_usb_serial_driver(siemens_usb_mpi_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index 1040f9d50451..ba54a0a8235c 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -1044,11 +1044,6 @@ static int sierra_resume(struct usb_serial *serial) #define sierra_resume NULL #endif -static struct usb_driver sierra_driver = { - .name = "sierra", - .id_table = id_table, -}; - static struct usb_serial_driver sierra_device = { .driver = { .owner = THIS_MODULE, @@ -1077,7 +1072,7 @@ static struct usb_serial_driver * const serial_drivers[] = { &sierra_device, NULL }; -module_usb_serial_driver(sierra_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c index 51e43ccef10c..1fc1cab5a4ad 100644 --- a/drivers/usb/serial/spcp8x5.c +++ b/drivers/usb/serial/spcp8x5.c @@ -151,12 +151,6 @@ enum spcp8x5_type { SPCP835_TYPE, }; -static struct usb_driver spcp8x5_driver = { - .name = "spcp8x5", - .id_table = id_table, -}; - - struct spcp8x5_private { spinlock_t lock; enum spcp8x5_type type; @@ -662,7 +656,7 @@ static struct usb_serial_driver * const serial_drivers[] = { &spcp8x5_device, NULL }; -module_usb_serial_driver(spcp8x5_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_VERSION(DRIVER_VERSION); diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c index f72b03f83be2..3fee23bf0c14 100644 --- a/drivers/usb/serial/ssu100.c +++ b/drivers/usb/serial/ssu100.c @@ -59,15 +59,8 @@ static const struct usb_device_id id_table[] = { {USB_DEVICE(USB_VENDOR_ID_QUATECH, QUATECH_SSU100)}, {} /* Terminating entry */ }; - MODULE_DEVICE_TABLE(usb, id_table); - -static struct usb_driver ssu100_driver = { - .name = "ssu100", - .id_table = id_table, -}; - struct ssu100_port_private { spinlock_t status_lock; u8 shadowLSR; @@ -671,7 +664,7 @@ static struct usb_serial_driver * const serial_drivers[] = { &ssu100_device, NULL }; -module_usb_serial_driver(ssu100_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/symbolserial.c b/drivers/usb/serial/symbolserial.c index 5ef07ca6fe92..f7c440541754 100644 --- a/drivers/usb/serial/symbolserial.c +++ b/drivers/usb/serial/symbolserial.c @@ -269,11 +269,6 @@ static void symbol_release(struct usb_serial *serial) kfree(priv); } -static struct usb_driver symbol_driver = { - .name = "symbol", - .id_table = id_table, -}; - static struct usb_serial_driver symbol_device = { .driver = { .owner = THIS_MODULE, @@ -294,7 +289,7 @@ static struct usb_serial_driver * const serial_drivers[] = { &symbol_device, NULL }; -module_usb_serial_driver(symbol_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index 9d96224494b8..a180b15d195a 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -211,11 +211,6 @@ static struct usb_device_id ti_id_table_combined[18+2*TI_EXTRA_VID_PID_COUNT+1] { } }; -static struct usb_driver ti_usb_driver = { - .name = "ti_usb_3410_5052", - .id_table = ti_id_table_combined, -}; - static struct usb_serial_driver ti_1port_device = { .driver = { .owner = THIS_MODULE, @@ -342,20 +337,18 @@ static int __init ti_init(void) ti_id_table_combined[c].match_flags = USB_DEVICE_ID_MATCH_DEVICE; } - ret = usb_serial_register_drivers(&ti_usb_driver, serial_drivers); + ret = usb_serial_register_drivers(serial_drivers, KBUILD_MODNAME, ti_id_table_combined); if (ret == 0) printk(KERN_INFO KBUILD_MODNAME ": " TI_DRIVER_VERSION ":" TI_DRIVER_DESC "\n"); return ret; } - static void __exit ti_exit(void) { - usb_serial_deregister_drivers(&ti_usb_driver, serial_drivers); + usb_serial_deregister_drivers(serial_drivers); } - module_init(ti_init); module_exit(ti_exit); diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index d1840aef0d53..62dd92270525 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -1364,18 +1364,19 @@ static void usb_serial_deregister(struct usb_serial_driver *device) /** * usb_serial_register_drivers - register drivers for a usb-serial module - * @udriver: usb_driver used for matching devices/interfaces * @serial_drivers: NULL-terminated array of pointers to drivers to be registered + * @name: name of the usb_driver for this set of @serial_drivers + * @id_table: list of all devices this @serial_drivers set binds to * - * Registers @udriver and all the drivers in the @serial_drivers array. - * Automatically fills in the .no_dynamic_id and PM fields in @udriver and - * the .usb_driver field in each serial driver. + * Registers all the drivers in the @serial_drivers array, and dynamically + * creates a struct usb_driver with the name @name and id_table of @id_table. */ -int usb_serial_register_drivers(struct usb_driver *udriver, - struct usb_serial_driver * const serial_drivers[]) +int usb_serial_register_drivers(struct usb_serial_driver *const serial_drivers[], + const char *name, + const struct usb_device_id *id_table) { int rc; - const struct usb_device_id *saved_id_table; + struct usb_driver *udriver; struct usb_serial_driver * const *sd; /* @@ -1386,14 +1387,16 @@ int usb_serial_register_drivers(struct usb_driver *udriver, * Performance hack: We don't want udriver to be probed until * the serial drivers are registered, because the probe would * simply fail for lack of a matching serial driver. - * Therefore save off udriver's id_table until we are all set. + * So we leave udriver's id_table set to NULL until we are all set. * * Suspend/resume support is implemented in the usb-serial core, * so fill in the PM-related fields in udriver. */ - saved_id_table = udriver->id_table; - udriver->id_table = NULL; + udriver = kzalloc(sizeof(*udriver), GFP_KERNEL); + if (!udriver) + return -ENOMEM; + udriver->name = name; udriver->no_dynamic_id = 1; udriver->supports_autosuspend = 1; udriver->suspend = usb_serial_suspend; @@ -1411,8 +1414,8 @@ int usb_serial_register_drivers(struct usb_driver *udriver, goto failed; } - /* Now restore udriver's id_table and look for matches */ - udriver->id_table = saved_id_table; + /* Now set udriver's id_table and look for matches */ + udriver->id_table = id_table; rc = driver_attach(&udriver->drvwrap.driver); return 0; @@ -1426,17 +1429,20 @@ EXPORT_SYMBOL_GPL(usb_serial_register_drivers); /** * usb_serial_deregister_drivers - deregister drivers for a usb-serial module - * @udriver: usb_driver to unregister * @serial_drivers: NULL-terminated array of pointers to drivers to be deregistered * - * Deregisters @udriver and all the drivers in the @serial_drivers array. + * Deregisters all the drivers in the @serial_drivers array and deregisters and + * frees the struct usb_driver that was created by the call to + * usb_serial_register_drivers(). */ -void usb_serial_deregister_drivers(struct usb_driver *udriver, - struct usb_serial_driver * const serial_drivers[]) +void usb_serial_deregister_drivers(struct usb_serial_driver *const serial_drivers[]) { + struct usb_driver *udriver = (*serial_drivers)->usb_driver; + for (; *serial_drivers; ++serial_drivers) usb_serial_deregister(*serial_drivers); usb_deregister(udriver); + kfree(udriver); } EXPORT_SYMBOL_GPL(usb_serial_deregister_drivers); diff --git a/drivers/usb/serial/usb_debug.c b/drivers/usb/serial/usb_debug.c index e22e5435ff96..5760f97ee508 100644 --- a/drivers/usb/serial/usb_debug.c +++ b/drivers/usb/serial/usb_debug.c @@ -35,11 +35,6 @@ static const struct usb_device_id id_table[] = { }; MODULE_DEVICE_TABLE(usb, id_table); -static struct usb_driver debug_driver = { - .name = "debug", - .id_table = id_table, -}; - /* This HW really does not support a serial break, so one will be * emulated when ever the break state is set to true. */ @@ -81,5 +76,5 @@ static struct usb_serial_driver * const serial_drivers[] = { &debug_device, NULL }; -module_usb_serial_driver(debug_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c index 2e24bd34754c..f253c91383da 100644 --- a/drivers/usb/serial/visor.c +++ b/drivers/usb/serial/visor.c @@ -163,11 +163,6 @@ static struct usb_device_id id_table_combined [] = { MODULE_DEVICE_TABLE(usb, id_table_combined); -static struct usb_driver visor_driver = { - .name = "visor", - .id_table = id_table_combined, -}; - /* All of the device info needed for the Handspring Visor, and Palm 4.0 devices */ static struct usb_serial_driver handspring_device = { @@ -625,7 +620,7 @@ static int clie_5_attach(struct usb_serial *serial) return 0; } -module_usb_serial_driver(visor_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table_combined); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/vivopay-serial.c b/drivers/usb/serial/vivopay-serial.c index c7d8ab359454..0c0aa876c209 100644 --- a/drivers/usb/serial/vivopay-serial.c +++ b/drivers/usb/serial/vivopay-serial.c @@ -25,11 +25,6 @@ static struct usb_device_id id_table [] = { MODULE_DEVICE_TABLE(usb, id_table); -static struct usb_driver vivopay_serial_driver = { - .name = "vivopay-serial", - .id_table = id_table, -}; - static struct usb_serial_driver vivopay_serial_device = { .driver = { .owner = THIS_MODULE, @@ -43,7 +38,7 @@ static struct usb_serial_driver * const serial_drivers[] = { &vivopay_serial_device, NULL }; -module_usb_serial_driver(vivopay_serial_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_AUTHOR("Forest Bond "); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c index 76840cdb818d..473635e7f5db 100644 --- a/drivers/usb/serial/whiteheat.c +++ b/drivers/usb/serial/whiteheat.c @@ -77,10 +77,6 @@ static const struct usb_device_id id_table_combined[] = { MODULE_DEVICE_TABLE(usb, id_table_combined); -static struct usb_driver whiteheat_driver = { - .name = "whiteheat", - .id_table = id_table_combined, -}; /* function prototypes for the Connect Tech WhiteHEAT prerenumeration device */ static int whiteheat_firmware_download(struct usb_serial *serial, @@ -914,7 +910,7 @@ static void stop_command_port(struct usb_serial *serial) mutex_unlock(&command_info->mutex); } -module_usb_serial_driver(whiteheat_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table_combined); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/zio.c b/drivers/usb/serial/zio.c index 4822cc84a668..c043aa84a0ba 100644 --- a/drivers/usb/serial/zio.c +++ b/drivers/usb/serial/zio.c @@ -22,11 +22,6 @@ static const struct usb_device_id id_table[] = { }; MODULE_DEVICE_TABLE(usb, id_table); -static struct usb_driver zio_driver = { - .name = "zio", - .id_table = id_table, -}; - static struct usb_serial_driver zio_device = { .driver = { .owner = THIS_MODULE, @@ -40,5 +35,5 @@ static struct usb_serial_driver * const serial_drivers[] = { &zio_device, NULL }; -module_usb_serial_driver(zio_driver, serial_drivers); +module_usb_serial_driver(serial_drivers, id_table); MODULE_LICENSE("GPL"); diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index 749836f2890c..c9f65146a039 100644 --- a/include/linux/usb/serial.h +++ b/include/linux/usb/serial.h @@ -292,10 +292,9 @@ struct usb_serial_driver { #define to_usb_serial_driver(d) \ container_of(d, struct usb_serial_driver, driver) -extern int usb_serial_register_drivers(struct usb_driver *udriver, - struct usb_serial_driver * const serial_drivers[]); -extern void usb_serial_deregister_drivers(struct usb_driver *udriver, - struct usb_serial_driver * const serial_drivers[]); +extern int usb_serial_register_drivers(struct usb_serial_driver *const serial_drivers[], + const char *name, const struct usb_device_id *id_table); +extern void usb_serial_deregister_drivers(struct usb_serial_driver *const serial_drivers[]); extern void usb_serial_port_softint(struct usb_serial_port *port); extern int usb_serial_suspend(struct usb_interface *intf, pm_message_t message); @@ -396,8 +395,8 @@ do { \ /* * module_usb_serial_driver() - Helper macro for registering a USB Serial driver - * @__usb_driver: usb_driver struct to register * @__serial_drivers: list of usb_serial drivers to register + * @__ids: all device ids that @__serial_drivers bind to * * Helper macro for USB serial drivers which do not do anything special * in module init/exit. This eliminates a lot of boilerplate. Each @@ -405,9 +404,21 @@ do { \ * module_init() and module_exit() * */ -#define module_usb_serial_driver(__usb_driver, __serial_drivers) \ - module_driver(__usb_driver, usb_serial_register_drivers, \ - usb_serial_deregister_drivers, __serial_drivers) +#define usb_serial_module_driver(__name, __serial_drivers, __ids) \ +static int __init usb_serial_module_init(void) \ +{ \ + return usb_serial_register_drivers(__serial_drivers, \ + __name, __ids); \ +} \ +module_init(usb_serial_module_init); \ +static void __exit usb_serial_module_exit(void) \ +{ \ + usb_serial_deregister_drivers(__serial_drivers); \ +} \ +module_exit(usb_serial_module_exit); + +#define module_usb_serial_driver(__serial_drivers, __ids) \ + usb_serial_module_driver(KBUILD_MODNAME, __serial_drivers, __ids) #endif /* __LINUX_USB_SERIAL_H */ -- cgit v1.3-8-gc7d7 From 51cce6fc155c4d7eea2ff975ee7c82b89332c6d9 Mon Sep 17 00:00:00 2001 From: Benoit Goby Date: Thu, 10 May 2012 10:07:57 +0200 Subject: usb: gadget: composite: Add usb_remove_config Add usb_remove_config to unbind a configuration and remove it from the configs list. This allows implementing composite gadget drivers that can disconnect themself from the bus and that will later be re-enumerated with a different configuration. Gadget drivers must call usb_gadget_disconnect before calling this function to disable the pullup, disconnect the device from the host, and prevent the host from enumerating the device while we are changing the gadget configuration. Signed-off-by: Benoit Goby [change return type of [usb_]remove_config] Signed-off-by: Andrzej Pietrasiewicz Signed-off-by: Kyungmin Park Acked-by: Michal Nazarewicz Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/composite.c | 68 +++++++++++++++++++++++++++++------------- include/linux/usb/composite.h | 3 ++ 2 files changed, 51 insertions(+), 20 deletions(-) (limited to 'include/linux/usb') diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index a3b19fe37f53..e51b2314f5c9 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -787,6 +787,53 @@ done: return status; } +static void remove_config(struct usb_composite_dev *cdev, + struct usb_configuration *config) +{ + while (!list_empty(&config->functions)) { + struct usb_function *f; + + f = list_first_entry(&config->functions, + struct usb_function, list); + list_del(&f->list); + if (f->unbind) { + DBG(cdev, "unbind function '%s'/%p\n", f->name, f); + f->unbind(config, f); + /* may free memory for "f" */ + } + } + list_del(&config->list); + if (config->unbind) { + DBG(cdev, "unbind config '%s'/%p\n", config->label, config); + config->unbind(config); + /* may free memory for "c" */ + } +} + +/** + * usb_remove_config() - remove a configuration from a device. + * @cdev: wraps the USB gadget + * @config: the configuration + * + * Drivers must call usb_gadget_disconnect before calling this function + * to disconnect the device from the host and make sure the host will not + * try to enumerate the device while we are changing the config list. + */ +void usb_remove_config(struct usb_composite_dev *cdev, + struct usb_configuration *config) +{ + unsigned long flags; + + spin_lock_irqsave(&cdev->lock, flags); + + if (cdev->config == config) + reset_config(cdev); + + spin_unlock_irqrestore(&cdev->lock, flags); + + remove_config(cdev, config); +} + /*-------------------------------------------------------------------------*/ /* We support strings in multiple languages ... string descriptor zero @@ -1341,28 +1388,9 @@ composite_unbind(struct usb_gadget *gadget) while (!list_empty(&cdev->configs)) { struct usb_configuration *c; - c = list_first_entry(&cdev->configs, struct usb_configuration, list); - while (!list_empty(&c->functions)) { - struct usb_function *f; - - f = list_first_entry(&c->functions, - struct usb_function, list); - list_del(&f->list); - if (f->unbind) { - DBG(cdev, "unbind function '%s'/%p\n", - f->name, f); - f->unbind(c, f); - /* may free memory for "f" */ - } - } - list_del(&c->list); - if (c->unbind) { - DBG(cdev, "unbind config '%s'/%p\n", c->label, c); - c->unbind(c); - /* may free memory for "c" */ - } + remove_config(cdev, c); } if (composite->unbind) composite->unbind(cdev); diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h index a316fba73518..5d27a1fe5ce9 100644 --- a/include/linux/usb/composite.h +++ b/include/linux/usb/composite.h @@ -242,6 +242,9 @@ int usb_add_config(struct usb_composite_dev *, struct usb_configuration *, int (*)(struct usb_configuration *)); +void usb_remove_config(struct usb_composite_dev *, + struct usb_configuration *); + /** * struct usb_composite_driver - groups configurations into a gadget * @name: For diagnostics, identifies the driver. -- cgit v1.3-8-gc7d7 From cad4cd8fbde6b2f45b51711260343b3195615c79 Mon Sep 17 00:00:00 2001 From: Andrzej Pietrasiewicz Date: Thu, 10 May 2012 10:08:00 +0200 Subject: usb: gadget: composite: add iSerialNumber to usb_composite_driver Add iSerialNumber to usb_composite_driver to allow setting a default value. This is useful when the module is compiled-in. Then the composite_bind is executed at kernel boot and string id for iSerialNumber can be overridden even if there is no iSerialNumber kernel commandline parameter. If the string id is not overridden, then get_string will never attempt to look for the alternative string contents using cdev->serial_override. Signed-off-by: Andrzej Pietrasiewicz Signed-off-by: Kyungmin Park Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/composite.c | 5 +++-- include/linux/usb/composite.h | 3 +++ 2 files changed, 6 insertions(+), 2 deletions(-) (limited to 'include/linux/usb') diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index df2749052e2c..390749bbb0c3 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -938,7 +938,7 @@ static int get_string(struct usb_composite_dev *cdev, else if (cdev->product_override == id) str = iProduct ?: composite->iProduct; else if (cdev->serial_override == id) - str = iSerialNumber; + str = iSerialNumber ?: composite->iSerialNumber; else str = NULL; if (str) { @@ -1503,7 +1503,8 @@ static int composite_bind(struct usb_gadget *gadget) cdev->product_override = override_id(cdev, &cdev->desc.iProduct); - if (iSerialNumber) + if (iSerialNumber || + (!cdev->desc.iSerialNumber && composite->iSerialNumber)) cdev->serial_override = override_id(cdev, &cdev->desc.iSerialNumber); diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h index 5d27a1fe5ce9..9d8c3b634493 100644 --- a/include/linux/usb/composite.h +++ b/include/linux/usb/composite.h @@ -253,6 +253,8 @@ void usb_remove_config(struct usb_composite_dev *, * @iManufacturer: Used as iManufacturer override if @dev->iManufacturer is * not set. If NULL a default " with " value * will be used. + * @iSerialNumber: Used as iSerialNumber override if @dev->iSerialNumber is + * not set. * @dev: Template descriptor for the device, including default device * identifiers. * @strings: tables of strings, keyed by identifiers assigned during bind() @@ -283,6 +285,7 @@ struct usb_composite_driver { const char *name; const char *iProduct; const char *iManufacturer; + const char *iSerialNumber; const struct usb_device_descriptor *dev; struct usb_gadget_strings **strings; enum usb_device_speed max_speed; -- cgit v1.3-8-gc7d7 From e443b333629f82ca0da91a05ca638050943bbedd Mon Sep 17 00:00:00 2001 From: Alexander Shishkin Date: Fri, 11 May 2012 17:25:46 +0300 Subject: usb: chipidea: split the driver code into units Split the driver into the following parts: * core -- resources, register access, capabilities, etc; * udc -- device controller functionality; * debug -- logging events. Signed-off-by: Alexander Shishkin Signed-off-by: Greg Kroah-Hartman --- drivers/usb/chipidea/Kconfig | 20 +- drivers/usb/chipidea/Makefile | 4 +- drivers/usb/chipidea/bits.h | 71 + drivers/usb/chipidea/ci.h | 204 +++ drivers/usb/chipidea/ci13xxx_msm.c | 3 +- drivers/usb/chipidea/ci13xxx_pci.c | 3 +- drivers/usb/chipidea/ci13xxx_udc.c | 2983 ------------------------------------ drivers/usb/chipidea/ci13xxx_udc.h | 248 --- drivers/usb/chipidea/core.c | 324 ++++ drivers/usb/chipidea/debug.c | 804 ++++++++++ drivers/usb/chipidea/debug.h | 56 + drivers/usb/chipidea/udc.c | 1837 ++++++++++++++++++++++ drivers/usb/chipidea/udc.h | 96 ++ include/linux/usb/chipidea.h | 27 + 14 files changed, 3443 insertions(+), 3237 deletions(-) create mode 100644 drivers/usb/chipidea/bits.h create mode 100644 drivers/usb/chipidea/ci.h delete mode 100644 drivers/usb/chipidea/ci13xxx_udc.c delete mode 100644 drivers/usb/chipidea/ci13xxx_udc.h create mode 100644 drivers/usb/chipidea/core.c create mode 100644 drivers/usb/chipidea/debug.c create mode 100644 drivers/usb/chipidea/debug.h create mode 100644 drivers/usb/chipidea/udc.c create mode 100644 drivers/usb/chipidea/udc.h create mode 100644 include/linux/usb/chipidea.h (limited to 'include/linux/usb') diff --git a/drivers/usb/chipidea/Kconfig b/drivers/usb/chipidea/Kconfig index 71725ddc8f25..553c1976a66e 100644 --- a/drivers/usb/chipidea/Kconfig +++ b/drivers/usb/chipidea/Kconfig @@ -1,10 +1,26 @@ config USB_CHIPIDEA tristate "ChipIdea Highspeed Dual Role Controller" - depends on USB && USB_GADGET - select USB_GADGET_DUALSPEED + depends on USB help Say Y here if your system has a dual role high speed USB controller based on ChipIdea silicon IP. Currently, only the peripheral mode is supported. When compiled dynamically, the module will be called ci-hdrc.ko. + +if USB_CHIPIDEA + +config USB_CHIPIDEA_UDC + bool "ChipIdea device controller" + depends on USB_GADGET + select USB_GADGET_DUALSPEED + help + Say Y here to enable device controller functionality of the + ChipIdea driver. + +config USB_CHIPIDEA_DEBUG + bool "ChipIdea driver debug" + help + Say Y here to enable debugging output of the ChipIdea driver. + +endif diff --git a/drivers/usb/chipidea/Makefile b/drivers/usb/chipidea/Makefile index e56bedbf9da2..a8279aac6a4a 100644 --- a/drivers/usb/chipidea/Makefile +++ b/drivers/usb/chipidea/Makefile @@ -1,6 +1,8 @@ obj-$(CONFIG_USB_CHIPIDEA) += ci_hdrc.o -ci_hdrc-y := ci13xxx_udc.o +ci_hdrc-y := core.o +ci_hdrc-$(CONFIG_USB_CHIPIDEA_UDC) += udc.o +ci_hdrc-$(CONFIG_USB_CHIPIDEA_DEBUG) += debug.o ifneq ($(CONFIG_PCI),) obj-$(CONFIG_USB_CHIPIDEA) += ci13xxx_pci.o diff --git a/drivers/usb/chipidea/bits.h b/drivers/usb/chipidea/bits.h new file mode 100644 index 000000000000..5fbff11cf220 --- /dev/null +++ b/drivers/usb/chipidea/bits.h @@ -0,0 +1,71 @@ +/* + * bits.h - register bits of the ChipIdea USB IP core + * + * Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved. + * + * Author: David Lopo + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __DRIVERS_USB_CHIPIDEA_BITS_H +#define __DRIVERS_USB_CHIPIDEA_BITS_H + +/* HCCPARAMS */ +#define HCCPARAMS_LEN BIT(17) + +/* DCCPARAMS */ +#define DCCPARAMS_DEN (0x1F << 0) +#define DCCPARAMS_DC BIT(7) + +/* TESTMODE */ +#define TESTMODE_FORCE BIT(0) + +/* USBCMD */ +#define USBCMD_RS BIT(0) +#define USBCMD_RST BIT(1) +#define USBCMD_SUTW BIT(13) +#define USBCMD_ATDTW BIT(14) + +/* USBSTS & USBINTR */ +#define USBi_UI BIT(0) +#define USBi_UEI BIT(1) +#define USBi_PCI BIT(2) +#define USBi_URI BIT(6) +#define USBi_SLI BIT(8) + +/* DEVICEADDR */ +#define DEVICEADDR_USBADRA BIT(24) +#define DEVICEADDR_USBADR (0x7FUL << 25) + +/* PORTSC */ +#define PORTSC_FPR BIT(6) +#define PORTSC_SUSP BIT(7) +#define PORTSC_HSP BIT(9) +#define PORTSC_PTC (0x0FUL << 16) + +/* DEVLC */ +#define DEVLC_PSPD (0x03UL << 25) +#define DEVLC_PSPD_HS (0x02UL << 25) + +/* USBMODE */ +#define USBMODE_CM (0x03UL << 0) +#define USBMODE_CM_IDLE (0x00UL << 0) +#define USBMODE_CM_DEVICE (0x02UL << 0) +#define USBMODE_CM_HOST (0x03UL << 0) +#define USBMODE_SLOM BIT(3) +#define USBMODE_SDIS BIT(4) + +/* ENDPTCTRL */ +#define ENDPTCTRL_RXS BIT(0) +#define ENDPTCTRL_RXT (0x03UL << 2) +#define ENDPTCTRL_RXR BIT(6) /* reserved for port 0 */ +#define ENDPTCTRL_RXE BIT(7) +#define ENDPTCTRL_TXS BIT(16) +#define ENDPTCTRL_TXT (0x03UL << 18) +#define ENDPTCTRL_TXR BIT(22) /* reserved for port 0 */ +#define ENDPTCTRL_TXE BIT(23) + +#endif /* __DRIVERS_USB_CHIPIDEA_BITS_H */ diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h new file mode 100644 index 000000000000..f5b3b8538a3b --- /dev/null +++ b/drivers/usb/chipidea/ci.h @@ -0,0 +1,204 @@ +/* + * ci.h - common structures, functions, and macros of the ChipIdea driver + * + * Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved. + * + * Author: David Lopo + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __DRIVERS_USB_CHIPIDEA_CI_H +#define __DRIVERS_USB_CHIPIDEA_CI_H + +#include +#include + +/****************************************************************************** + * DEFINE + *****************************************************************************/ +#define DMA_ADDR_INVALID (~(dma_addr_t)0) +#define CI13XXX_PAGE_SIZE 4096ul /* page size for TD's */ +#define ENDPT_MAX 32 + +/****************************************************************************** + * STRUCTURES + *****************************************************************************/ +/* Extension of usb_ep */ +struct ci13xxx_ep { + struct usb_ep ep; + u8 dir; + u8 num; + u8 type; + char name[16]; + struct { + struct list_head queue; + struct ci13xxx_qh *ptr; + dma_addr_t dma; + } qh; + int wedge; + + /* global resources */ + struct ci13xxx *udc; + spinlock_t *lock; + struct device *device; + struct dma_pool *td_pool; +}; + +struct hw_bank { + unsigned lpm; /* is LPM? */ + void __iomem *abs; /* bus map offset */ + void __iomem *cap; /* bus map offset + CAP offset */ + void __iomem *op; /* bus map offset + OP offset */ + size_t size; /* bank size */ + void __iomem **regmap; +}; + +/* CI13XXX UDC descriptor & global resources */ +struct ci13xxx { + spinlock_t lock; /* ctrl register bank access */ + void __iomem *regs; /* registers address space */ + + struct dma_pool *qh_pool; /* DMA pool for queue heads */ + struct dma_pool *td_pool; /* DMA pool for transfer descs */ + struct usb_request *status; /* ep0 status request */ + + struct device *dev; + struct usb_gadget gadget; /* USB slave device */ + struct ci13xxx_ep ci13xxx_ep[ENDPT_MAX]; /* extended endpts */ + u32 ep0_dir; /* ep0 direction */ + struct ci13xxx_ep *ep0out, *ep0in; + unsigned hw_ep_max; /* number of hw endpoints */ + + bool setaddr; + u8 address; + u8 remote_wakeup; /* Is remote wakeup feature + enabled by the host? */ + u8 suspended; /* suspended by the host */ + u8 test_mode; /* the selected test mode */ + + struct hw_bank hw_bank; + int irq; + struct usb_gadget_driver *driver; /* 3rd party gadget driver */ + struct ci13xxx_udc_driver *udc_driver; /* device controller driver */ + int vbus_active; /* is VBUS active */ + struct usb_phy *transceiver; /* Transceiver struct */ +}; + +/****************************************************************************** + * REGISTERS + *****************************************************************************/ +/* register size */ +#define REG_BITS (32) + +/* register indices */ +enum ci13xxx_regs { + CAP_CAPLENGTH, + CAP_HCCPARAMS, + CAP_DCCPARAMS, + CAP_TESTMODE, + CAP_LAST = CAP_TESTMODE, + OP_USBCMD, + OP_USBSTS, + OP_USBINTR, + OP_DEVICEADDR, + OP_ENDPTLISTADDR, + OP_PORTSC, + OP_DEVLC, + OP_USBMODE, + OP_ENDPTSETUPSTAT, + OP_ENDPTPRIME, + OP_ENDPTFLUSH, + OP_ENDPTSTAT, + OP_ENDPTCOMPLETE, + OP_ENDPTCTRL, + /* endptctrl1..15 follow */ + OP_LAST = OP_ENDPTCTRL + ENDPT_MAX / 2, +}; + + +/** + * ffs_nr: find first (least significant) bit set + * @x: the word to search + * + * This function returns bit number (instead of position) + */ +static inline int ffs_nr(u32 x) +{ + int n = ffs(x); + + return n ? n-1 : 32; +} + +/** + * hw_read: reads from a hw register + * @reg: register index + * @mask: bitfield mask + * + * This function returns register contents + */ +static inline u32 hw_read(struct ci13xxx *udc, enum ci13xxx_regs reg, u32 mask) +{ + return ioread32(udc->hw_bank.regmap[reg]) & mask; +} + +/** + * hw_write: writes to a hw register + * @reg: register index + * @mask: bitfield mask + * @data: new value + */ +static inline void hw_write(struct ci13xxx *udc, enum ci13xxx_regs reg, + u32 mask, u32 data) +{ + if (~mask) + data = (ioread32(udc->hw_bank.regmap[reg]) & ~mask) + | (data & mask); + + iowrite32(data, udc->hw_bank.regmap[reg]); +} + +/** + * hw_test_and_clear: tests & clears a hw register + * @reg: register index + * @mask: bitfield mask + * + * This function returns register contents + */ +static inline u32 hw_test_and_clear(struct ci13xxx *udc, enum ci13xxx_regs reg, + u32 mask) +{ + u32 val = ioread32(udc->hw_bank.regmap[reg]) & mask; + + iowrite32(val, udc->hw_bank.regmap[reg]); + return val; +} + +/** + * hw_test_and_write: tests & writes a hw register + * @reg: register index + * @mask: bitfield mask + * @data: new value + * + * This function returns register contents + */ +static inline u32 hw_test_and_write(struct ci13xxx *udc, enum ci13xxx_regs reg, + u32 mask, u32 data) +{ + u32 val = hw_read(udc, reg, ~0); + + hw_write(udc, reg, mask, data); + return (val & mask) >> ffs_nr(mask); +} + +int hw_device_init(struct ci13xxx *udc, void __iomem *base, + uintptr_t cap_offset); +int hw_device_reset(struct ci13xxx *ci); + +int hw_port_test_set(struct ci13xxx *ci, u8 mode); + +u8 hw_port_test_get(struct ci13xxx *ci); + +#endif /* __DRIVERS_USB_CHIPIDEA_CI_H */ diff --git a/drivers/usb/chipidea/ci13xxx_msm.c b/drivers/usb/chipidea/ci13xxx_msm.c index 418de0e61c5a..27427931b681 100644 --- a/drivers/usb/chipidea/ci13xxx_msm.c +++ b/drivers/usb/chipidea/ci13xxx_msm.c @@ -11,8 +11,9 @@ #include #include #include +#include -#include "ci13xxx_udc.h" +#include "ci.h" #define MSM_USB_BASE (udc->regs) diff --git a/drivers/usb/chipidea/ci13xxx_pci.c b/drivers/usb/chipidea/ci13xxx_pci.c index f075ef33834f..84e8ab8d4f47 100644 --- a/drivers/usb/chipidea/ci13xxx_pci.c +++ b/drivers/usb/chipidea/ci13xxx_pci.c @@ -15,8 +15,7 @@ #include #include #include - -#include "ci13xxx_udc.h" +#include /* driver name */ #define UDC_DRIVER_NAME "ci13xxx_pci" diff --git a/drivers/usb/chipidea/ci13xxx_udc.c b/drivers/usb/chipidea/ci13xxx_udc.c deleted file mode 100644 index 819636a19186..000000000000 --- a/drivers/usb/chipidea/ci13xxx_udc.c +++ /dev/null @@ -1,2983 +0,0 @@ -/* - * ci13xxx_udc.c - MIPS USB IP core family device controller - * - * Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved. - * - * Author: David Lopo - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -/* - * Description: MIPS USB IP core family device controller - * Currently it only supports IP part number CI13412 - * - * This driver is composed of several blocks: - * - HW: hardware interface - * - DBG: debug facilities (optional) - * - UTIL: utilities - * - ISR: interrupts handling - * - ENDPT: endpoint operations (Gadget API) - * - GADGET: gadget operations (Gadget API) - * - BUS: bus glue code, bus abstraction layer - * - * Compile Options - * - CONFIG_USB_GADGET_DEBUG_FILES: enable debug facilities - * - STALL_IN: non-empty bulk-in pipes cannot be halted - * if defined mass storage compliance succeeds but with warnings - * => case 4: Hi > Dn - * => case 5: Hi > Di - * => case 8: Hi <> Do - * if undefined usbtest 13 fails - * - TRACE: enable function tracing (depends on DEBUG) - * - * Main Features - * - Chapter 9 & Mass Storage Compliance with Gadget File Storage - * - Chapter 9 Compliance with Gadget Zero (STALL_IN undefined) - * - Normal & LPM support - * - * USBTEST Report - * - OK: 0-12, 13 (STALL_IN defined) & 14 - * - Not Supported: 15 & 16 (ISO) - * - * TODO List - * - OTG - * - Isochronous & Interrupt Traffic - * - Handle requests which spawns into several TDs - * - GET_STATUS(device) - always reports 0 - * - Gadget API (majority of optional features) - * - Suspend & Remote Wakeup - */ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "ci13xxx_udc.h" - -/****************************************************************************** - * DEFINE - *****************************************************************************/ - -#define DMA_ADDR_INVALID (~(dma_addr_t)0) - -/* control endpoint description */ -static const struct usb_endpoint_descriptor -ctrl_endpt_out_desc = { - .bLength = USB_DT_ENDPOINT_SIZE, - .bDescriptorType = USB_DT_ENDPOINT, - - .bEndpointAddress = USB_DIR_OUT, - .bmAttributes = USB_ENDPOINT_XFER_CONTROL, - .wMaxPacketSize = cpu_to_le16(CTRL_PAYLOAD_MAX), -}; - -static const struct usb_endpoint_descriptor -ctrl_endpt_in_desc = { - .bLength = USB_DT_ENDPOINT_SIZE, - .bDescriptorType = USB_DT_ENDPOINT, - - .bEndpointAddress = USB_DIR_IN, - .bmAttributes = USB_ENDPOINT_XFER_CONTROL, - .wMaxPacketSize = cpu_to_le16(CTRL_PAYLOAD_MAX), -}; - -/* Interrupt statistics */ -#define ISR_MASK 0x1F -static struct { - u32 test; - u32 ui; - u32 uei; - u32 pci; - u32 uri; - u32 sli; - u32 none; - struct { - u32 cnt; - u32 buf[ISR_MASK+1]; - u32 idx; - } hndl; -} isr_statistics; - -/** - * ffs_nr: find first (least significant) bit set - * @x: the word to search - * - * This function returns bit number (instead of position) - */ -static int ffs_nr(u32 x) -{ - int n = ffs(x); - - return n ? n-1 : 32; -} - -/****************************************************************************** - * HW block - *****************************************************************************/ - -/* MSM specific */ -#define ABS_AHBBURST (0x0090UL) -#define ABS_AHBMODE (0x0098UL) -/* UDC register map */ -static uintptr_t ci_regs_nolpm[] = { - [CAP_CAPLENGTH] = 0x000UL, - [CAP_HCCPARAMS] = 0x008UL, - [CAP_DCCPARAMS] = 0x024UL, - [CAP_TESTMODE] = 0x038UL, - [OP_USBCMD] = 0x000UL, - [OP_USBSTS] = 0x004UL, - [OP_USBINTR] = 0x008UL, - [OP_DEVICEADDR] = 0x014UL, - [OP_ENDPTLISTADDR] = 0x018UL, - [OP_PORTSC] = 0x044UL, - [OP_DEVLC] = 0x084UL, - [OP_USBMODE] = 0x068UL, - [OP_ENDPTSETUPSTAT] = 0x06CUL, - [OP_ENDPTPRIME] = 0x070UL, - [OP_ENDPTFLUSH] = 0x074UL, - [OP_ENDPTSTAT] = 0x078UL, - [OP_ENDPTCOMPLETE] = 0x07CUL, - [OP_ENDPTCTRL] = 0x080UL, -}; - -static uintptr_t ci_regs_lpm[] = { - [CAP_CAPLENGTH] = 0x000UL, - [CAP_HCCPARAMS] = 0x008UL, - [CAP_DCCPARAMS] = 0x024UL, - [CAP_TESTMODE] = 0x0FCUL, - [OP_USBCMD] = 0x000UL, - [OP_USBSTS] = 0x004UL, - [OP_USBINTR] = 0x008UL, - [OP_DEVICEADDR] = 0x014UL, - [OP_ENDPTLISTADDR] = 0x018UL, - [OP_PORTSC] = 0x044UL, - [OP_DEVLC] = 0x084UL, - [OP_USBMODE] = 0x0C8UL, - [OP_ENDPTSETUPSTAT] = 0x0D8UL, - [OP_ENDPTPRIME] = 0x0DCUL, - [OP_ENDPTFLUSH] = 0x0E0UL, - [OP_ENDPTSTAT] = 0x0E4UL, - [OP_ENDPTCOMPLETE] = 0x0E8UL, - [OP_ENDPTCTRL] = 0x0ECUL, -}; - -static int hw_alloc_regmap(struct ci13xxx *udc, bool is_lpm) -{ - int i; - - kfree(udc->hw_bank.regmap); - - udc->hw_bank.regmap = kzalloc((OP_LAST + 1) * sizeof(void *), - GFP_KERNEL); - if (!udc->hw_bank.regmap) - return -ENOMEM; - - for (i = 0; i < OP_ENDPTCTRL; i++) - udc->hw_bank.regmap[i] = - (i <= CAP_LAST ? udc->hw_bank.cap : udc->hw_bank.op) + - (is_lpm ? ci_regs_lpm[i] : ci_regs_nolpm[i]); - - for (; i <= OP_LAST; i++) - udc->hw_bank.regmap[i] = udc->hw_bank.op + - 4 * (i - OP_ENDPTCTRL) + - (is_lpm - ? ci_regs_lpm[OP_ENDPTCTRL] - : ci_regs_nolpm[OP_ENDPTCTRL]); - - return 0; -} - -/** - * hw_ep_bit: calculates the bit number - * @num: endpoint number - * @dir: endpoint direction - * - * This function returns bit number - */ -static inline int hw_ep_bit(int num, int dir) -{ - return num + (dir ? 16 : 0); -} - -static int ep_to_bit(struct ci13xxx *udc, int n) -{ - int fill = 16 - udc->hw_ep_max / 2; - - if (n >= udc->hw_ep_max / 2) - n += fill; - - return n; -} - -/** - * hw_read: reads from a hw register - * @reg: register index - * @mask: bitfield mask - * - * This function returns register contents - */ -static u32 hw_read(struct ci13xxx *udc, enum ci13xxx_regs reg, u32 mask) -{ - return ioread32(udc->hw_bank.regmap[reg]) & mask; -} - -/** - * hw_write: writes to a hw register - * @reg: register index - * @mask: bitfield mask - * @data: new value - */ -static void hw_write(struct ci13xxx *udc, enum ci13xxx_regs reg, u32 mask, - u32 data) -{ - if (~mask) - data = (ioread32(udc->hw_bank.regmap[reg]) & ~mask) - | (data & mask); - - iowrite32(data, udc->hw_bank.regmap[reg]); -} - -/** - * hw_test_and_clear: tests & clears a hw register - * @reg: register index - * @mask: bitfield mask - * - * This function returns register contents - */ -static u32 hw_test_and_clear(struct ci13xxx *udc, enum ci13xxx_regs reg, - u32 mask) -{ - u32 val = ioread32(udc->hw_bank.regmap[reg]) & mask; - - iowrite32(val, udc->hw_bank.regmap[reg]); - return val; -} - -/** - * hw_test_and_write: tests & writes a hw register - * @reg: register index - * @mask: bitfield mask - * @data: new value - * - * This function returns register contents - */ -static u32 hw_test_and_write(struct ci13xxx *udc, enum ci13xxx_regs reg, - u32 mask, u32 data) -{ - u32 val = hw_read(udc, reg, ~0); - - hw_write(udc, reg, mask, data); - return (val & mask) >> ffs_nr(mask); -} - -static int hw_device_init(struct ci13xxx *udc, void __iomem *base, - uintptr_t cap_offset) -{ - u32 reg; - - /* bank is a module variable */ - udc->hw_bank.abs = base; - - udc->hw_bank.cap = udc->hw_bank.abs; - udc->hw_bank.cap += cap_offset; - udc->hw_bank.op = udc->hw_bank.cap + ioread8(udc->hw_bank.cap); - - hw_alloc_regmap(udc, false); - reg = hw_read(udc, CAP_HCCPARAMS, HCCPARAMS_LEN) >> - ffs_nr(HCCPARAMS_LEN); - udc->hw_bank.lpm = reg; - hw_alloc_regmap(udc, !!reg); - udc->hw_bank.size = udc->hw_bank.op - udc->hw_bank.abs; - udc->hw_bank.size += OP_LAST; - udc->hw_bank.size /= sizeof(u32); - - reg = hw_read(udc, CAP_DCCPARAMS, DCCPARAMS_DEN) >> - ffs_nr(DCCPARAMS_DEN); - udc->hw_ep_max = reg * 2; /* cache hw ENDPT_MAX */ - - if (udc->hw_ep_max == 0 || udc->hw_ep_max > ENDPT_MAX) - return -ENODEV; - - dev_dbg(udc->dev, "ChipIdea UDC found, lpm: %d; cap: %p op: %p\n", - udc->hw_bank.lpm, udc->hw_bank.cap, udc->hw_bank.op); - - /* setup lock mode ? */ - - /* ENDPTSETUPSTAT is '0' by default */ - - /* HCSPARAMS.bf.ppc SHOULD BE zero for device */ - - return 0; -} -/** - * hw_device_reset: resets chip (execute without interruption) - * @base: register base address - * - * This function returns an error code - */ -static int hw_device_reset(struct ci13xxx *udc) -{ - /* should flush & stop before reset */ - hw_write(udc, OP_ENDPTFLUSH, ~0, ~0); - hw_write(udc, OP_USBCMD, USBCMD_RS, 0); - - hw_write(udc, OP_USBCMD, USBCMD_RST, USBCMD_RST); - while (hw_read(udc, OP_USBCMD, USBCMD_RST)) - udelay(10); /* not RTOS friendly */ - - - if (udc->udc_driver->notify_event) - udc->udc_driver->notify_event(udc, - CI13XXX_CONTROLLER_RESET_EVENT); - - if (udc->udc_driver->flags & CI13XXX_DISABLE_STREAMING) - hw_write(udc, OP_USBMODE, USBMODE_SDIS, USBMODE_SDIS); - - /* USBMODE should be configured step by step */ - hw_write(udc, OP_USBMODE, USBMODE_CM, USBMODE_CM_IDLE); - hw_write(udc, OP_USBMODE, USBMODE_CM, USBMODE_CM_DEVICE); - /* HW >= 2.3 */ - hw_write(udc, OP_USBMODE, USBMODE_SLOM, USBMODE_SLOM); - - if (hw_read(udc, OP_USBMODE, USBMODE_CM) != USBMODE_CM_DEVICE) { - pr_err("cannot enter in device mode"); - pr_err("lpm = %i", udc->hw_bank.lpm); - return -ENODEV; - } - - return 0; -} - -/** - * hw_device_state: enables/disables interrupts & starts/stops device (execute - * without interruption) - * @dma: 0 => disable, !0 => enable and set dma engine - * - * This function returns an error code - */ -static int hw_device_state(struct ci13xxx *udc, u32 dma) -{ - if (dma) { - hw_write(udc, OP_ENDPTLISTADDR, ~0, dma); - /* interrupt, error, port change, reset, sleep/suspend */ - hw_write(udc, OP_USBINTR, ~0, - USBi_UI|USBi_UEI|USBi_PCI|USBi_URI|USBi_SLI); - hw_write(udc, OP_USBCMD, USBCMD_RS, USBCMD_RS); - } else { - hw_write(udc, OP_USBCMD, USBCMD_RS, 0); - hw_write(udc, OP_USBINTR, ~0, 0); - } - return 0; -} - -/** - * hw_ep_flush: flush endpoint fifo (execute without interruption) - * @num: endpoint number - * @dir: endpoint direction - * - * This function returns an error code - */ -static int hw_ep_flush(struct ci13xxx *udc, int num, int dir) -{ - int n = hw_ep_bit(num, dir); - - do { - /* flush any pending transfer */ - hw_write(udc, OP_ENDPTFLUSH, BIT(n), BIT(n)); - while (hw_read(udc, OP_ENDPTFLUSH, BIT(n))) - cpu_relax(); - } while (hw_read(udc, OP_ENDPTSTAT, BIT(n))); - - return 0; -} - -/** - * hw_ep_disable: disables endpoint (execute without interruption) - * @num: endpoint number - * @dir: endpoint direction - * - * This function returns an error code - */ -static int hw_ep_disable(struct ci13xxx *udc, int num, int dir) -{ - hw_ep_flush(udc, num, dir); - hw_write(udc, OP_ENDPTCTRL + num, - dir ? ENDPTCTRL_TXE : ENDPTCTRL_RXE, 0); - return 0; -} - -/** - * hw_ep_enable: enables endpoint (execute without interruption) - * @num: endpoint number - * @dir: endpoint direction - * @type: endpoint type - * - * This function returns an error code - */ -static int hw_ep_enable(struct ci13xxx *udc, int num, int dir, int type) -{ - u32 mask, data; - - if (dir) { - mask = ENDPTCTRL_TXT; /* type */ - data = type << ffs_nr(mask); - - mask |= ENDPTCTRL_TXS; /* unstall */ - mask |= ENDPTCTRL_TXR; /* reset data toggle */ - data |= ENDPTCTRL_TXR; - mask |= ENDPTCTRL_TXE; /* enable */ - data |= ENDPTCTRL_TXE; - } else { - mask = ENDPTCTRL_RXT; /* type */ - data = type << ffs_nr(mask); - - mask |= ENDPTCTRL_RXS; /* unstall */ - mask |= ENDPTCTRL_RXR; /* reset data toggle */ - data |= ENDPTCTRL_RXR; - mask |= ENDPTCTRL_RXE; /* enable */ - data |= ENDPTCTRL_RXE; - } - hw_write(udc, OP_ENDPTCTRL + num, mask, data); - return 0; -} - -/** - * hw_ep_get_halt: return endpoint halt status - * @num: endpoint number - * @dir: endpoint direction - * - * This function returns 1 if endpoint halted - */ -static int hw_ep_get_halt(struct ci13xxx *udc, int num, int dir) -{ - u32 mask = dir ? ENDPTCTRL_TXS : ENDPTCTRL_RXS; - - return hw_read(udc, OP_ENDPTCTRL + num, mask) ? 1 : 0; -} - -/** - * hw_test_and_clear_setup_status: test & clear setup status (execute without - * interruption) - * @n: endpoint number - * - * This function returns setup status - */ -static int hw_test_and_clear_setup_status(struct ci13xxx *udc, int n) -{ - n = ep_to_bit(udc, n); - return hw_test_and_clear(udc, OP_ENDPTSETUPSTAT, BIT(n)); -} - -/** - * hw_ep_prime: primes endpoint (execute without interruption) - * @num: endpoint number - * @dir: endpoint direction - * @is_ctrl: true if control endpoint - * - * This function returns an error code - */ -static int hw_ep_prime(struct ci13xxx *udc, int num, int dir, int is_ctrl) -{ - int n = hw_ep_bit(num, dir); - - if (is_ctrl && dir == RX && hw_read(udc, OP_ENDPTSETUPSTAT, BIT(num))) - return -EAGAIN; - - hw_write(udc, OP_ENDPTPRIME, BIT(n), BIT(n)); - - while (hw_read(udc, OP_ENDPTPRIME, BIT(n))) - cpu_relax(); - if (is_ctrl && dir == RX && hw_read(udc, OP_ENDPTSETUPSTAT, BIT(num))) - return -EAGAIN; - - /* status shoult be tested according with manual but it doesn't work */ - return 0; -} - -/** - * hw_ep_set_halt: configures ep halt & resets data toggle after clear (execute - * without interruption) - * @num: endpoint number - * @dir: endpoint direction - * @value: true => stall, false => unstall - * - * This function returns an error code - */ -static int hw_ep_set_halt(struct ci13xxx *udc, int num, int dir, int value) -{ - if (value != 0 && value != 1) - return -EINVAL; - - do { - enum ci13xxx_regs reg = OP_ENDPTCTRL + num; - u32 mask_xs = dir ? ENDPTCTRL_TXS : ENDPTCTRL_RXS; - u32 mask_xr = dir ? ENDPTCTRL_TXR : ENDPTCTRL_RXR; - - /* data toggle - reserved for EP0 but it's in ESS */ - hw_write(udc, reg, mask_xs|mask_xr, - value ? mask_xs : mask_xr); - } while (value != hw_ep_get_halt(udc, num, dir)); - - return 0; -} - -/** - * hw_intr_clear: disables interrupt & clears interrupt status (execute without - * interruption) - * @n: interrupt bit - * - * This function returns an error code - */ -static int hw_intr_clear(struct ci13xxx *udc, int n) -{ - if (n >= REG_BITS) - return -EINVAL; - - hw_write(udc, OP_USBINTR, BIT(n), 0); - hw_write(udc, OP_USBSTS, BIT(n), BIT(n)); - return 0; -} - -/** - * hw_intr_force: enables interrupt & forces interrupt status (execute without - * interruption) - * @n: interrupt bit - * - * This function returns an error code - */ -static int hw_intr_force(struct ci13xxx *udc, int n) -{ - if (n >= REG_BITS) - return -EINVAL; - - hw_write(udc, CAP_TESTMODE, TESTMODE_FORCE, TESTMODE_FORCE); - hw_write(udc, OP_USBINTR, BIT(n), BIT(n)); - hw_write(udc, OP_USBSTS, BIT(n), BIT(n)); - hw_write(udc, CAP_TESTMODE, TESTMODE_FORCE, 0); - return 0; -} - -/** - * hw_is_port_high_speed: test if port is high speed - * - * This function returns true if high speed port - */ -static int hw_port_is_high_speed(struct ci13xxx *udc) -{ - return udc->hw_bank.lpm ? hw_read(udc, OP_DEVLC, DEVLC_PSPD) : - hw_read(udc, OP_PORTSC, PORTSC_HSP); -} - -/** - * hw_port_test_get: reads port test mode value - * - * This function returns port test mode value - */ -static u8 hw_port_test_get(struct ci13xxx *udc) -{ - return hw_read(udc, OP_PORTSC, PORTSC_PTC) >> ffs_nr(PORTSC_PTC); -} - -/** - * hw_port_test_set: writes port test mode (execute without interruption) - * @mode: new value - * - * This function returns an error code - */ -static int hw_port_test_set(struct ci13xxx *udc, u8 mode) -{ - const u8 TEST_MODE_MAX = 7; - - if (mode > TEST_MODE_MAX) - return -EINVAL; - - hw_write(udc, OP_PORTSC, PORTSC_PTC, mode << ffs_nr(PORTSC_PTC)); - return 0; -} - -/** - * hw_read_intr_enable: returns interrupt enable register - * - * This function returns register data - */ -static u32 hw_read_intr_enable(struct ci13xxx *udc) -{ - return hw_read(udc, OP_USBINTR, ~0); -} - -/** - * hw_read_intr_status: returns interrupt status register - * - * This function returns register data - */ -static u32 hw_read_intr_status(struct ci13xxx *udc) -{ - return hw_read(udc, OP_USBSTS, ~0); -} - -/** - * hw_register_read: reads all device registers (execute without interruption) - * @buf: destination buffer - * @size: buffer size - * - * This function returns number of registers read - */ -static size_t hw_register_read(struct ci13xxx *udc, u32 *buf, size_t size) -{ - unsigned i; - - if (size > udc->hw_bank.size) - size = udc->hw_bank.size; - - for (i = 0; i < size; i++) - buf[i] = hw_read(udc, i * sizeof(u32), ~0); - - return size; -} - -/** - * hw_register_write: writes to register - * @addr: register address - * @data: register value - * - * This function returns an error code - */ -static int hw_register_write(struct ci13xxx *udc, u16 addr, u32 data) -{ - /* align */ - addr /= sizeof(u32); - - if (addr >= udc->hw_bank.size) - return -EINVAL; - - /* align */ - addr *= sizeof(u32); - - hw_write(udc, addr, ~0, data); - return 0; -} - -/** - * hw_test_and_clear_complete: test & clear complete status (execute without - * interruption) - * @n: endpoint number - * - * This function returns complete status - */ -static int hw_test_and_clear_complete(struct ci13xxx *udc, int n) -{ - n = ep_to_bit(udc, n); - return hw_test_and_clear(udc, OP_ENDPTCOMPLETE, BIT(n)); -} - -/** - * hw_test_and_clear_intr_active: test & clear active interrupts (execute - * without interruption) - * - * This function returns active interrutps - */ -static u32 hw_test_and_clear_intr_active(struct ci13xxx *udc) -{ - u32 reg = hw_read_intr_status(udc) & hw_read_intr_enable(udc); - - hw_write(udc, OP_USBSTS, ~0, reg); - return reg; -} - -/** - * hw_test_and_clear_setup_guard: test & clear setup guard (execute without - * interruption) - * - * This function returns guard value - */ -static int hw_test_and_clear_setup_guard(struct ci13xxx *udc) -{ - return hw_test_and_write(udc, OP_USBCMD, USBCMD_SUTW, 0); -} - -/** - * hw_test_and_set_setup_guard: test & set setup guard (execute without - * interruption) - * - * This function returns guard value - */ -static int hw_test_and_set_setup_guard(struct ci13xxx *udc) -{ - return hw_test_and_write(udc, OP_USBCMD, USBCMD_SUTW, USBCMD_SUTW); -} - -/** - * hw_usb_set_address: configures USB address (execute without interruption) - * @value: new USB address - * - * This function explicitly sets the address, without the "USBADRA" (advance) - * feature, which is not supported by older versions of the controller. - */ -static void hw_usb_set_address(struct ci13xxx *udc, u8 value) -{ - hw_write(udc, OP_DEVICEADDR, DEVICEADDR_USBADR, - value << ffs_nr(DEVICEADDR_USBADR)); -} - -/** - * hw_usb_reset: restart device after a bus reset (execute without - * interruption) - * - * This function returns an error code - */ -static int hw_usb_reset(struct ci13xxx *udc) -{ - hw_usb_set_address(udc, 0); - - /* ESS flushes only at end?!? */ - hw_write(udc, OP_ENDPTFLUSH, ~0, ~0); - - /* clear setup token semaphores */ - hw_write(udc, OP_ENDPTSETUPSTAT, 0, 0); - - /* clear complete status */ - hw_write(udc, OP_ENDPTCOMPLETE, 0, 0); - - /* wait until all bits cleared */ - while (hw_read(udc, OP_ENDPTPRIME, ~0)) - udelay(10); /* not RTOS friendly */ - - /* reset all endpoints ? */ - - /* reset internal status and wait for further instructions - no need to verify the port reset status (ESS does it) */ - - return 0; -} - -/****************************************************************************** - * DBG block - *****************************************************************************/ -/** - * show_device: prints information about device capabilities and status - * - * Check "device.h" for details - */ -static ssize_t show_device(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev); - struct usb_gadget *gadget = &udc->gadget; - int n = 0; - - if (attr == NULL || buf == NULL) { - dev_err(udc->dev, "[%s] EINVAL\n", __func__); - return 0; - } - - n += scnprintf(buf + n, PAGE_SIZE - n, "speed = %d\n", - gadget->speed); - n += scnprintf(buf + n, PAGE_SIZE - n, "max_speed = %d\n", - gadget->max_speed); - /* TODO: Scheduled for removal in 3.8. */ - n += scnprintf(buf + n, PAGE_SIZE - n, "is_dualspeed = %d\n", - gadget_is_dualspeed(gadget)); - n += scnprintf(buf + n, PAGE_SIZE - n, "is_otg = %d\n", - gadget->is_otg); - n += scnprintf(buf + n, PAGE_SIZE - n, "is_a_peripheral = %d\n", - gadget->is_a_peripheral); - n += scnprintf(buf + n, PAGE_SIZE - n, "b_hnp_enable = %d\n", - gadget->b_hnp_enable); - n += scnprintf(buf + n, PAGE_SIZE - n, "a_hnp_support = %d\n", - gadget->a_hnp_support); - n += scnprintf(buf + n, PAGE_SIZE - n, "a_alt_hnp_support = %d\n", - gadget->a_alt_hnp_support); - n += scnprintf(buf + n, PAGE_SIZE - n, "name = %s\n", - (gadget->name ? gadget->name : "")); - - return n; -} -static DEVICE_ATTR(device, S_IRUSR, show_device, NULL); - -/** - * show_driver: prints information about attached gadget (if any) - * - * Check "device.h" for details - */ -static ssize_t show_driver(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev); - struct usb_gadget_driver *driver = udc->driver; - int n = 0; - - if (attr == NULL || buf == NULL) { - dev_err(dev, "[%s] EINVAL\n", __func__); - return 0; - } - - if (driver == NULL) - return scnprintf(buf, PAGE_SIZE, - "There is no gadget attached!\n"); - - n += scnprintf(buf + n, PAGE_SIZE - n, "function = %s\n", - (driver->function ? driver->function : "")); - n += scnprintf(buf + n, PAGE_SIZE - n, "max speed = %d\n", - driver->max_speed); - - return n; -} -static DEVICE_ATTR(driver, S_IRUSR, show_driver, NULL); - -/* Maximum event message length */ -#define DBG_DATA_MSG 64UL - -/* Maximum event messages */ -#define DBG_DATA_MAX 128UL - -/* Event buffer descriptor */ -static struct { - char (buf[DBG_DATA_MAX])[DBG_DATA_MSG]; /* buffer */ - unsigned idx; /* index */ - unsigned tty; /* print to console? */ - rwlock_t lck; /* lock */ -} dbg_data = { - .idx = 0, - .tty = 0, - .lck = __RW_LOCK_UNLOCKED(lck) -}; - -/** - * dbg_dec: decrements debug event index - * @idx: buffer index - */ -static void dbg_dec(unsigned *idx) -{ - *idx = (*idx - 1) & (DBG_DATA_MAX-1); -} - -/** - * dbg_inc: increments debug event index - * @idx: buffer index - */ -static void dbg_inc(unsigned *idx) -{ - *idx = (*idx + 1) & (DBG_DATA_MAX-1); -} - -/** - * dbg_print: prints the common part of the event - * @addr: endpoint address - * @name: event name - * @status: status - * @extra: extra information - */ -static void dbg_print(u8 addr, const char *name, int status, const char *extra) -{ - struct timeval tval; - unsigned int stamp; - unsigned long flags; - - write_lock_irqsave(&dbg_data.lck, flags); - - do_gettimeofday(&tval); - stamp = tval.tv_sec & 0xFFFF; /* 2^32 = 4294967296. Limit to 4096s */ - stamp = stamp * 1000000 + tval.tv_usec; - - scnprintf(dbg_data.buf[dbg_data.idx], DBG_DATA_MSG, - "%04X\t? %02X %-7.7s %4i ?\t%s\n", - stamp, addr, name, status, extra); - - dbg_inc(&dbg_data.idx); - - write_unlock_irqrestore(&dbg_data.lck, flags); - - if (dbg_data.tty != 0) - pr_notice("%04X\t? %02X %-7.7s %4i ?\t%s\n", - stamp, addr, name, status, extra); -} - -/** - * dbg_done: prints a DONE event - * @addr: endpoint address - * @td: transfer descriptor - * @status: status - */ -static void dbg_done(u8 addr, const u32 token, int status) -{ - char msg[DBG_DATA_MSG]; - - scnprintf(msg, sizeof(msg), "%d %02X", - (int)(token & TD_TOTAL_BYTES) >> ffs_nr(TD_TOTAL_BYTES), - (int)(token & TD_STATUS) >> ffs_nr(TD_STATUS)); - dbg_print(addr, "DONE", status, msg); -} - -/** - * dbg_event: prints a generic event - * @addr: endpoint address - * @name: event name - * @status: status - */ -static void dbg_event(u8 addr, const char *name, int status) -{ - if (name != NULL) - dbg_print(addr, name, status, ""); -} - -/* - * dbg_queue: prints a QUEUE event - * @addr: endpoint address - * @req: USB request - * @status: status - */ -static void dbg_queue(u8 addr, const struct usb_request *req, int status) -{ - char msg[DBG_DATA_MSG]; - - if (req != NULL) { - scnprintf(msg, sizeof(msg), - "%d %d", !req->no_interrupt, req->length); - dbg_print(addr, "QUEUE", status, msg); - } -} - -/** - * dbg_setup: prints a SETUP event - * @addr: endpoint address - * @req: setup request - */ -static void dbg_setup(u8 addr, const struct usb_ctrlrequest *req) -{ - char msg[DBG_DATA_MSG]; - - if (req != NULL) { - scnprintf(msg, sizeof(msg), - "%02X %02X %04X %04X %d", req->bRequestType, - req->bRequest, le16_to_cpu(req->wValue), - le16_to_cpu(req->wIndex), le16_to_cpu(req->wLength)); - dbg_print(addr, "SETUP", 0, msg); - } -} - -/** - * show_events: displays the event buffer - * - * Check "device.h" for details - */ -static ssize_t show_events(struct device *dev, struct device_attribute *attr, - char *buf) -{ - unsigned long flags; - unsigned i, j, n = 0; - - if (attr == NULL || buf == NULL) { - dev_err(dev->parent, "[%s] EINVAL\n", __func__); - return 0; - } - - read_lock_irqsave(&dbg_data.lck, flags); - - i = dbg_data.idx; - for (dbg_dec(&i); i != dbg_data.idx; dbg_dec(&i)) { - n += strlen(dbg_data.buf[i]); - if (n >= PAGE_SIZE) { - n -= strlen(dbg_data.buf[i]); - break; - } - } - for (j = 0, dbg_inc(&i); j < n; dbg_inc(&i)) - j += scnprintf(buf + j, PAGE_SIZE - j, - "%s", dbg_data.buf[i]); - - read_unlock_irqrestore(&dbg_data.lck, flags); - - return n; -} - -/** - * store_events: configure if events are going to be also printed to console - * - * Check "device.h" for details - */ -static ssize_t store_events(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - unsigned tty; - - if (attr == NULL || buf == NULL) { - dev_err(dev, "[%s] EINVAL\n", __func__); - goto done; - } - - if (sscanf(buf, "%u", &tty) != 1 || tty > 1) { - dev_err(dev, "<1|0>: enable|disable console log\n"); - goto done; - } - - dbg_data.tty = tty; - dev_info(dev, "tty = %u", dbg_data.tty); - - done: - return count; -} -static DEVICE_ATTR(events, S_IRUSR | S_IWUSR, show_events, store_events); - -/** - * show_inters: interrupt status, enable status and historic - * - * Check "device.h" for details - */ -static ssize_t show_inters(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev); - unsigned long flags; - u32 intr; - unsigned i, j, n = 0; - - if (attr == NULL || buf == NULL) { - dev_err(udc->dev, "[%s] EINVAL\n", __func__); - return 0; - } - - spin_lock_irqsave(&udc->lock, flags); - - n += scnprintf(buf + n, PAGE_SIZE - n, - "status = %08x\n", hw_read_intr_status(udc)); - n += scnprintf(buf + n, PAGE_SIZE - n, - "enable = %08x\n", hw_read_intr_enable(udc)); - - n += scnprintf(buf + n, PAGE_SIZE - n, "*test = %d\n", - isr_statistics.test); - n += scnprintf(buf + n, PAGE_SIZE - n, "? ui = %d\n", - isr_statistics.ui); - n += scnprintf(buf + n, PAGE_SIZE - n, "? uei = %d\n", - isr_statistics.uei); - n += scnprintf(buf + n, PAGE_SIZE - n, "? pci = %d\n", - isr_statistics.pci); - n += scnprintf(buf + n, PAGE_SIZE - n, "? uri = %d\n", - isr_statistics.uri); - n += scnprintf(buf + n, PAGE_SIZE - n, "? sli = %d\n", - isr_statistics.sli); - n += scnprintf(buf + n, PAGE_SIZE - n, "*none = %d\n", - isr_statistics.none); - n += scnprintf(buf + n, PAGE_SIZE - n, "*hndl = %d\n", - isr_statistics.hndl.cnt); - - for (i = isr_statistics.hndl.idx, j = 0; j <= ISR_MASK; j++, i++) { - i &= ISR_MASK; - intr = isr_statistics.hndl.buf[i]; - - if (USBi_UI & intr) - n += scnprintf(buf + n, PAGE_SIZE - n, "ui "); - intr &= ~USBi_UI; - if (USBi_UEI & intr) - n += scnprintf(buf + n, PAGE_SIZE - n, "uei "); - intr &= ~USBi_UEI; - if (USBi_PCI & intr) - n += scnprintf(buf + n, PAGE_SIZE - n, "pci "); - intr &= ~USBi_PCI; - if (USBi_URI & intr) - n += scnprintf(buf + n, PAGE_SIZE - n, "uri "); - intr &= ~USBi_URI; - if (USBi_SLI & intr) - n += scnprintf(buf + n, PAGE_SIZE - n, "sli "); - intr &= ~USBi_SLI; - if (intr) - n += scnprintf(buf + n, PAGE_SIZE - n, "??? "); - if (isr_statistics.hndl.buf[i]) - n += scnprintf(buf + n, PAGE_SIZE - n, "\n"); - } - - spin_unlock_irqrestore(&udc->lock, flags); - - return n; -} - -/** - * store_inters: enable & force or disable an individual interrutps - * (to be used for test purposes only) - * - * Check "device.h" for details - */ -static ssize_t store_inters(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev); - unsigned long flags; - unsigned en, bit; - - if (attr == NULL || buf == NULL) { - dev_err(udc->dev, "EINVAL\n"); - goto done; - } - - if (sscanf(buf, "%u %u", &en, &bit) != 2 || en > 1) { - dev_err(udc->dev, "<1|0> : enable|disable interrupt\n"); - goto done; - } - - spin_lock_irqsave(&udc->lock, flags); - if (en) { - if (hw_intr_force(udc, bit)) - dev_err(dev, "invalid bit number\n"); - else - isr_statistics.test++; - } else { - if (hw_intr_clear(udc, bit)) - dev_err(dev, "invalid bit number\n"); - } - spin_unlock_irqrestore(&udc->lock, flags); - - done: - return count; -} -static DEVICE_ATTR(inters, S_IRUSR | S_IWUSR, show_inters, store_inters); - -/** - * show_port_test: reads port test mode - * - * Check "device.h" for details - */ -static ssize_t show_port_test(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev); - unsigned long flags; - unsigned mode; - - if (attr == NULL || buf == NULL) { - dev_err(udc->dev, "EINVAL\n"); - return 0; - } - - spin_lock_irqsave(&udc->lock, flags); - mode = hw_port_test_get(udc); - spin_unlock_irqrestore(&udc->lock, flags); - - return scnprintf(buf, PAGE_SIZE, "mode = %u\n", mode); -} - -/** - * store_port_test: writes port test mode - * - * Check "device.h" for details - */ -static ssize_t store_port_test(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev); - unsigned long flags; - unsigned mode; - - if (attr == NULL || buf == NULL) { - dev_err(udc->dev, "[%s] EINVAL\n", __func__); - goto done; - } - - if (sscanf(buf, "%u", &mode) != 1) { - dev_err(udc->dev, ": set port test mode"); - goto done; - } - - spin_lock_irqsave(&udc->lock, flags); - if (hw_port_test_set(udc, mode)) - dev_err(udc->dev, "invalid mode\n"); - spin_unlock_irqrestore(&udc->lock, flags); - - done: - return count; -} -static DEVICE_ATTR(port_test, S_IRUSR | S_IWUSR, - show_port_test, store_port_test); - -/** - * show_qheads: DMA contents of all queue heads - * - * Check "device.h" for details - */ -static ssize_t show_qheads(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev); - unsigned long flags; - unsigned i, j, n = 0; - - if (attr == NULL || buf == NULL) { - dev_err(udc->dev, "[%s] EINVAL\n", __func__); - return 0; - } - - spin_lock_irqsave(&udc->lock, flags); - for (i = 0; i < udc->hw_ep_max/2; i++) { - struct ci13xxx_ep *mEpRx = &udc->ci13xxx_ep[i]; - struct ci13xxx_ep *mEpTx = - &udc->ci13xxx_ep[i + udc->hw_ep_max/2]; - n += scnprintf(buf + n, PAGE_SIZE - n, - "EP=%02i: RX=%08X TX=%08X\n", - i, (u32)mEpRx->qh.dma, (u32)mEpTx->qh.dma); - for (j = 0; j < (sizeof(struct ci13xxx_qh)/sizeof(u32)); j++) { - n += scnprintf(buf + n, PAGE_SIZE - n, - " %04X: %08X %08X\n", j, - *((u32 *)mEpRx->qh.ptr + j), - *((u32 *)mEpTx->qh.ptr + j)); - } - } - spin_unlock_irqrestore(&udc->lock, flags); - - return n; -} -static DEVICE_ATTR(qheads, S_IRUSR, show_qheads, NULL); - -/** - * show_registers: dumps all registers - * - * Check "device.h" for details - */ -#define DUMP_ENTRIES 512 -static ssize_t show_registers(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev); - unsigned long flags; - u32 *dump; - unsigned i, k, n = 0; - - if (attr == NULL || buf == NULL) { - dev_err(udc->dev, "[%s] EINVAL\n", __func__); - return 0; - } - - dump = kmalloc(sizeof(u32) * DUMP_ENTRIES, GFP_KERNEL); - if (!dump) { - dev_err(udc->dev, "%s: out of memory\n", __func__); - return 0; - } - - spin_lock_irqsave(&udc->lock, flags); - k = hw_register_read(udc, dump, DUMP_ENTRIES); - spin_unlock_irqrestore(&udc->lock, flags); - - for (i = 0; i < k; i++) { - n += scnprintf(buf + n, PAGE_SIZE - n, - "reg[0x%04X] = 0x%08X\n", - i * (unsigned)sizeof(u32), dump[i]); - } - kfree(dump); - - return n; -} - -/** - * store_registers: writes value to register address - * - * Check "device.h" for details - */ -static ssize_t store_registers(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev); - unsigned long addr, data, flags; - - if (attr == NULL || buf == NULL) { - dev_err(udc->dev, "[%s] EINVAL\n", __func__); - goto done; - } - - if (sscanf(buf, "%li %li", &addr, &data) != 2) { - dev_err(udc->dev, - " : write data to register address\n"); - goto done; - } - - spin_lock_irqsave(&udc->lock, flags); - if (hw_register_write(udc, addr, data)) - dev_err(udc->dev, "invalid address range\n"); - spin_unlock_irqrestore(&udc->lock, flags); - - done: - return count; -} -static DEVICE_ATTR(registers, S_IRUSR | S_IWUSR, - show_registers, store_registers); - -/** - * show_requests: DMA contents of all requests currently queued (all endpts) - * - * Check "device.h" for details - */ -static ssize_t show_requests(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev); - unsigned long flags; - struct list_head *ptr = NULL; - struct ci13xxx_req *req = NULL; - unsigned i, j, n = 0, qSize = sizeof(struct ci13xxx_td)/sizeof(u32); - - if (attr == NULL || buf == NULL) { - dev_err(udc->dev, "[%s] EINVAL\n", __func__); - return 0; - } - - spin_lock_irqsave(&udc->lock, flags); - for (i = 0; i < udc->hw_ep_max; i++) - list_for_each(ptr, &udc->ci13xxx_ep[i].qh.queue) - { - req = list_entry(ptr, struct ci13xxx_req, queue); - - n += scnprintf(buf + n, PAGE_SIZE - n, - "EP=%02i: TD=%08X %s\n", - i % udc->hw_ep_max/2, (u32)req->dma, - ((i < udc->hw_ep_max/2) ? "RX" : "TX")); - - for (j = 0; j < qSize; j++) - n += scnprintf(buf + n, PAGE_SIZE - n, - " %04X: %08X\n", j, - *((u32 *)req->ptr + j)); - } - spin_unlock_irqrestore(&udc->lock, flags); - - return n; -} -static DEVICE_ATTR(requests, S_IRUSR, show_requests, NULL); - -/** - * dbg_create_files: initializes the attribute interface - * @dev: device - * - * This function returns an error code - */ -__maybe_unused static int dbg_create_files(struct device *dev) -{ - int retval = 0; - - if (dev == NULL) - return -EINVAL; - retval = device_create_file(dev, &dev_attr_device); - if (retval) - goto done; - retval = device_create_file(dev, &dev_attr_driver); - if (retval) - goto rm_device; - retval = device_create_file(dev, &dev_attr_events); - if (retval) - goto rm_driver; - retval = device_create_file(dev, &dev_attr_inters); - if (retval) - goto rm_events; - retval = device_create_file(dev, &dev_attr_port_test); - if (retval) - goto rm_inters; - retval = device_create_file(dev, &dev_attr_qheads); - if (retval) - goto rm_port_test; - retval = device_create_file(dev, &dev_attr_registers); - if (retval) - goto rm_qheads; - retval = device_create_file(dev, &dev_attr_requests); - if (retval) - goto rm_registers; - return 0; - - rm_registers: - device_remove_file(dev, &dev_attr_registers); - rm_qheads: - device_remove_file(dev, &dev_attr_qheads); - rm_port_test: - device_remove_file(dev, &dev_attr_port_test); - rm_inters: - device_remove_file(dev, &dev_attr_inters); - rm_events: - device_remove_file(dev, &dev_attr_events); - rm_driver: - device_remove_file(dev, &dev_attr_driver); - rm_device: - device_remove_file(dev, &dev_attr_device); - done: - return retval; -} - -/** - * dbg_remove_files: destroys the attribute interface - * @dev: device - * - * This function returns an error code - */ -__maybe_unused static int dbg_remove_files(struct device *dev) -{ - if (dev == NULL) - return -EINVAL; - device_remove_file(dev, &dev_attr_requests); - device_remove_file(dev, &dev_attr_registers); - device_remove_file(dev, &dev_attr_qheads); - device_remove_file(dev, &dev_attr_port_test); - device_remove_file(dev, &dev_attr_inters); - device_remove_file(dev, &dev_attr_events); - device_remove_file(dev, &dev_attr_driver); - device_remove_file(dev, &dev_attr_device); - return 0; -} - -/****************************************************************************** - * UTIL block - *****************************************************************************/ -/** - * _usb_addr: calculates endpoint address from direction & number - * @ep: endpoint - */ -static inline u8 _usb_addr(struct ci13xxx_ep *ep) -{ - return ((ep->dir == TX) ? USB_ENDPOINT_DIR_MASK : 0) | ep->num; -} - -/** - * _hardware_queue: configures a request at hardware level - * @gadget: gadget - * @mEp: endpoint - * - * This function returns an error code - */ -static int _hardware_enqueue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq) -{ - struct ci13xxx *udc = mEp->udc; - unsigned i; - int ret = 0; - unsigned length = mReq->req.length; - - /* don't queue twice */ - if (mReq->req.status == -EALREADY) - return -EALREADY; - - mReq->req.status = -EALREADY; - if (length && mReq->req.dma == DMA_ADDR_INVALID) { - mReq->req.dma = \ - dma_map_single(mEp->device, mReq->req.buf, - length, mEp->dir ? DMA_TO_DEVICE : - DMA_FROM_DEVICE); - if (mReq->req.dma == 0) - return -ENOMEM; - - mReq->map = 1; - } - - if (mReq->req.zero && length && (length % mEp->ep.maxpacket == 0)) { - mReq->zptr = dma_pool_alloc(mEp->td_pool, GFP_ATOMIC, - &mReq->zdma); - if (mReq->zptr == NULL) { - if (mReq->map) { - dma_unmap_single(mEp->device, mReq->req.dma, - length, mEp->dir ? DMA_TO_DEVICE : - DMA_FROM_DEVICE); - mReq->req.dma = DMA_ADDR_INVALID; - mReq->map = 0; - } - return -ENOMEM; - } - memset(mReq->zptr, 0, sizeof(*mReq->zptr)); - mReq->zptr->next = TD_TERMINATE; - mReq->zptr->token = TD_STATUS_ACTIVE; - if (!mReq->req.no_interrupt) - mReq->zptr->token |= TD_IOC; - } - /* - * TD configuration - * TODO - handle requests which spawns into several TDs - */ - memset(mReq->ptr, 0, sizeof(*mReq->ptr)); - mReq->ptr->token = length << ffs_nr(TD_TOTAL_BYTES); - mReq->ptr->token &= TD_TOTAL_BYTES; - mReq->ptr->token |= TD_STATUS_ACTIVE; - if (mReq->zptr) { - mReq->ptr->next = mReq->zdma; - } else { - mReq->ptr->next = TD_TERMINATE; - if (!mReq->req.no_interrupt) - mReq->ptr->token |= TD_IOC; - } - mReq->ptr->page[0] = mReq->req.dma; - for (i = 1; i < 5; i++) - mReq->ptr->page[i] = - (mReq->req.dma + i * CI13XXX_PAGE_SIZE) & ~TD_RESERVED_MASK; - - if (!list_empty(&mEp->qh.queue)) { - struct ci13xxx_req *mReqPrev; - int n = hw_ep_bit(mEp->num, mEp->dir); - int tmp_stat; - - mReqPrev = list_entry(mEp->qh.queue.prev, - struct ci13xxx_req, queue); - if (mReqPrev->zptr) - mReqPrev->zptr->next = mReq->dma & TD_ADDR_MASK; - else - mReqPrev->ptr->next = mReq->dma & TD_ADDR_MASK; - wmb(); - if (hw_read(udc, OP_ENDPTPRIME, BIT(n))) - goto done; - do { - hw_write(udc, OP_USBCMD, USBCMD_ATDTW, USBCMD_ATDTW); - tmp_stat = hw_read(udc, OP_ENDPTSTAT, BIT(n)); - } while (!hw_read(udc, OP_USBCMD, USBCMD_ATDTW)); - hw_write(udc, OP_USBCMD, USBCMD_ATDTW, 0); - if (tmp_stat) - goto done; - } - - /* QH configuration */ - mEp->qh.ptr->td.next = mReq->dma; /* TERMINATE = 0 */ - mEp->qh.ptr->td.token &= ~TD_STATUS; /* clear status */ - mEp->qh.ptr->cap |= QH_ZLT; - - wmb(); /* synchronize before ep prime */ - - ret = hw_ep_prime(udc, mEp->num, mEp->dir, - mEp->type == USB_ENDPOINT_XFER_CONTROL); -done: - return ret; -} - -/** - * _hardware_dequeue: handles a request at hardware level - * @gadget: gadget - * @mEp: endpoint - * - * This function returns an error code - */ -static int _hardware_dequeue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq) -{ - if (mReq->req.status != -EALREADY) - return -EINVAL; - - if ((TD_STATUS_ACTIVE & mReq->ptr->token) != 0) - return -EBUSY; - - if (mReq->zptr) { - if ((TD_STATUS_ACTIVE & mReq->zptr->token) != 0) - return -EBUSY; - dma_pool_free(mEp->td_pool, mReq->zptr, mReq->zdma); - mReq->zptr = NULL; - } - - mReq->req.status = 0; - - if (mReq->map) { - dma_unmap_single(mEp->device, mReq->req.dma, mReq->req.length, - mEp->dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - mReq->req.dma = DMA_ADDR_INVALID; - mReq->map = 0; - } - - mReq->req.status = mReq->ptr->token & TD_STATUS; - if ((TD_STATUS_HALTED & mReq->req.status) != 0) - mReq->req.status = -1; - else if ((TD_STATUS_DT_ERR & mReq->req.status) != 0) - mReq->req.status = -1; - else if ((TD_STATUS_TR_ERR & mReq->req.status) != 0) - mReq->req.status = -1; - - mReq->req.actual = mReq->ptr->token & TD_TOTAL_BYTES; - mReq->req.actual >>= ffs_nr(TD_TOTAL_BYTES); - mReq->req.actual = mReq->req.length - mReq->req.actual; - mReq->req.actual = mReq->req.status ? 0 : mReq->req.actual; - - return mReq->req.actual; -} - -/** - * _ep_nuke: dequeues all endpoint requests - * @mEp: endpoint - * - * This function returns an error code - * Caller must hold lock - */ -static int _ep_nuke(struct ci13xxx_ep *mEp) -__releases(mEp->lock) -__acquires(mEp->lock) -{ - if (mEp == NULL) - return -EINVAL; - - hw_ep_flush(mEp->udc, mEp->num, mEp->dir); - - while (!list_empty(&mEp->qh.queue)) { - - /* pop oldest request */ - struct ci13xxx_req *mReq = \ - list_entry(mEp->qh.queue.next, - struct ci13xxx_req, queue); - list_del_init(&mReq->queue); - mReq->req.status = -ESHUTDOWN; - - if (mReq->req.complete != NULL) { - spin_unlock(mEp->lock); - mReq->req.complete(&mEp->ep, &mReq->req); - spin_lock(mEp->lock); - } - } - return 0; -} - -/** - * _gadget_stop_activity: stops all USB activity, flushes & disables all endpts - * @gadget: gadget - * - * This function returns an error code - */ -static int _gadget_stop_activity(struct usb_gadget *gadget) -{ - struct usb_ep *ep; - struct ci13xxx *udc = container_of(gadget, struct ci13xxx, gadget); - unsigned long flags; - - if (gadget == NULL) - return -EINVAL; - - spin_lock_irqsave(&udc->lock, flags); - udc->gadget.speed = USB_SPEED_UNKNOWN; - udc->remote_wakeup = 0; - udc->suspended = 0; - spin_unlock_irqrestore(&udc->lock, flags); - - /* flush all endpoints */ - gadget_for_each_ep(ep, gadget) { - usb_ep_fifo_flush(ep); - } - usb_ep_fifo_flush(&udc->ep0out->ep); - usb_ep_fifo_flush(&udc->ep0in->ep); - - if (udc->driver) - udc->driver->disconnect(gadget); - - /* make sure to disable all endpoints */ - gadget_for_each_ep(ep, gadget) { - usb_ep_disable(ep); - } - - if (udc->status != NULL) { - usb_ep_free_request(&udc->ep0in->ep, udc->status); - udc->status = NULL; - } - - return 0; -} - -/****************************************************************************** - * ISR block - *****************************************************************************/ -/** - * isr_reset_handler: USB reset interrupt handler - * @udc: UDC device - * - * This function resets USB engine after a bus reset occurred - */ -static void isr_reset_handler(struct ci13xxx *udc) -__releases(udc->lock) -__acquires(udc->lock) -{ - int retval; - - dbg_event(0xFF, "BUS RST", 0); - - spin_unlock(&udc->lock); - retval = _gadget_stop_activity(&udc->gadget); - if (retval) - goto done; - - retval = hw_usb_reset(udc); - if (retval) - goto done; - - udc->status = usb_ep_alloc_request(&udc->ep0in->ep, GFP_ATOMIC); - if (udc->status == NULL) - retval = -ENOMEM; - - spin_lock(&udc->lock); - - done: - if (retval) - dev_err(udc->dev, "error: %i\n", retval); -} - -/** - * isr_get_status_complete: get_status request complete function - * @ep: endpoint - * @req: request handled - * - * Caller must release lock - */ -static void isr_get_status_complete(struct usb_ep *ep, struct usb_request *req) -{ - if (ep == NULL || req == NULL) - return; - - kfree(req->buf); - usb_ep_free_request(ep, req); -} - -/** - * isr_get_status_response: get_status request response - * @udc: udc struct - * @setup: setup request packet - * - * This function returns an error code - */ -static int isr_get_status_response(struct ci13xxx *udc, - struct usb_ctrlrequest *setup) -__releases(mEp->lock) -__acquires(mEp->lock) -{ - struct ci13xxx_ep *mEp = udc->ep0in; - struct usb_request *req = NULL; - gfp_t gfp_flags = GFP_ATOMIC; - int dir, num, retval; - - if (mEp == NULL || setup == NULL) - return -EINVAL; - - spin_unlock(mEp->lock); - req = usb_ep_alloc_request(&mEp->ep, gfp_flags); - spin_lock(mEp->lock); - if (req == NULL) - return -ENOMEM; - - req->complete = isr_get_status_complete; - req->length = 2; - req->buf = kzalloc(req->length, gfp_flags); - if (req->buf == NULL) { - retval = -ENOMEM; - goto err_free_req; - } - - if ((setup->bRequestType & USB_RECIP_MASK) == USB_RECIP_DEVICE) { - /* Assume that device is bus powered for now. */ - *(u16 *)req->buf = udc->remote_wakeup << 1; - retval = 0; - } else if ((setup->bRequestType & USB_RECIP_MASK) \ - == USB_RECIP_ENDPOINT) { - dir = (le16_to_cpu(setup->wIndex) & USB_ENDPOINT_DIR_MASK) ? - TX : RX; - num = le16_to_cpu(setup->wIndex) & USB_ENDPOINT_NUMBER_MASK; - *(u16 *)req->buf = hw_ep_get_halt(udc, num, dir); - } - /* else do nothing; reserved for future use */ - - spin_unlock(mEp->lock); - retval = usb_ep_queue(&mEp->ep, req, gfp_flags); - spin_lock(mEp->lock); - if (retval) - goto err_free_buf; - - return 0; - - err_free_buf: - kfree(req->buf); - err_free_req: - spin_unlock(mEp->lock); - usb_ep_free_request(&mEp->ep, req); - spin_lock(mEp->lock); - return retval; -} - -/** - * isr_setup_status_complete: setup_status request complete function - * @ep: endpoint - * @req: request handled - * - * Caller must release lock. Put the port in test mode if test mode - * feature is selected. - */ -static void -isr_setup_status_complete(struct usb_ep *ep, struct usb_request *req) -{ - struct ci13xxx *udc = req->context; - unsigned long flags; - - if (udc->setaddr) { - hw_usb_set_address(udc, udc->address); - udc->setaddr = false; - } - - spin_lock_irqsave(&udc->lock, flags); - if (udc->test_mode) - hw_port_test_set(udc, udc->test_mode); - spin_unlock_irqrestore(&udc->lock, flags); -} - -/** - * isr_setup_status_phase: queues the status phase of a setup transation - * @udc: udc struct - * - * This function returns an error code - */ -static int isr_setup_status_phase(struct ci13xxx *udc) -__releases(mEp->lock) -__acquires(mEp->lock) -{ - int retval; - struct ci13xxx_ep *mEp; - - mEp = (udc->ep0_dir == TX) ? udc->ep0out : udc->ep0in; - udc->status->context = udc; - udc->status->complete = isr_setup_status_complete; - - spin_unlock(mEp->lock); - retval = usb_ep_queue(&mEp->ep, udc->status, GFP_ATOMIC); - spin_lock(mEp->lock); - - return retval; -} - -/** - * isr_tr_complete_low: transaction complete low level handler - * @mEp: endpoint - * - * This function returns an error code - * Caller must hold lock - */ -static int isr_tr_complete_low(struct ci13xxx_ep *mEp) -__releases(mEp->lock) -__acquires(mEp->lock) -{ - struct ci13xxx_req *mReq, *mReqTemp; - struct ci13xxx_ep *mEpTemp = mEp; - int uninitialized_var(retval); - - if (list_empty(&mEp->qh.queue)) - return -EINVAL; - - list_for_each_entry_safe(mReq, mReqTemp, &mEp->qh.queue, - queue) { - retval = _hardware_dequeue(mEp, mReq); - if (retval < 0) - break; - list_del_init(&mReq->queue); - dbg_done(_usb_addr(mEp), mReq->ptr->token, retval); - if (mReq->req.complete != NULL) { - spin_unlock(mEp->lock); - if ((mEp->type == USB_ENDPOINT_XFER_CONTROL) && - mReq->req.length) - mEpTemp = mEp->udc->ep0in; - mReq->req.complete(&mEpTemp->ep, &mReq->req); - spin_lock(mEp->lock); - } - } - - if (retval == -EBUSY) - retval = 0; - if (retval < 0) - dbg_event(_usb_addr(mEp), "DONE", retval); - - return retval; -} - -/** - * isr_tr_complete_handler: transaction complete interrupt handler - * @udc: UDC descriptor - * - * This function handles traffic events - */ -static void isr_tr_complete_handler(struct ci13xxx *udc) -__releases(udc->lock) -__acquires(udc->lock) -{ - unsigned i; - u8 tmode = 0; - - for (i = 0; i < udc->hw_ep_max; i++) { - struct ci13xxx_ep *mEp = &udc->ci13xxx_ep[i]; - int type, num, dir, err = -EINVAL; - struct usb_ctrlrequest req; - - if (mEp->ep.desc == NULL) - continue; /* not configured */ - - if (hw_test_and_clear_complete(udc, i)) { - err = isr_tr_complete_low(mEp); - if (mEp->type == USB_ENDPOINT_XFER_CONTROL) { - if (err > 0) /* needs status phase */ - err = isr_setup_status_phase(udc); - if (err < 0) { - dbg_event(_usb_addr(mEp), - "ERROR", err); - spin_unlock(&udc->lock); - if (usb_ep_set_halt(&mEp->ep)) - dev_err(udc->dev, - "error: ep_set_halt\n"); - spin_lock(&udc->lock); - } - } - } - - if (mEp->type != USB_ENDPOINT_XFER_CONTROL || - !hw_test_and_clear_setup_status(udc, i)) - continue; - - if (i != 0) { - dev_warn(udc->dev, "ctrl traffic at endpoint %d\n", i); - continue; - } - - /* - * Flush data and handshake transactions of previous - * setup packet. - */ - _ep_nuke(udc->ep0out); - _ep_nuke(udc->ep0in); - - /* read_setup_packet */ - do { - hw_test_and_set_setup_guard(udc); - memcpy(&req, &mEp->qh.ptr->setup, sizeof(req)); - } while (!hw_test_and_clear_setup_guard(udc)); - - type = req.bRequestType; - - udc->ep0_dir = (type & USB_DIR_IN) ? TX : RX; - - dbg_setup(_usb_addr(mEp), &req); - - switch (req.bRequest) { - case USB_REQ_CLEAR_FEATURE: - if (type == (USB_DIR_OUT|USB_RECIP_ENDPOINT) && - le16_to_cpu(req.wValue) == - USB_ENDPOINT_HALT) { - if (req.wLength != 0) - break; - num = le16_to_cpu(req.wIndex); - dir = num & USB_ENDPOINT_DIR_MASK; - num &= USB_ENDPOINT_NUMBER_MASK; - if (dir) /* TX */ - num += udc->hw_ep_max/2; - if (!udc->ci13xxx_ep[num].wedge) { - spin_unlock(&udc->lock); - err = usb_ep_clear_halt( - &udc->ci13xxx_ep[num].ep); - spin_lock(&udc->lock); - if (err) - break; - } - err = isr_setup_status_phase(udc); - } else if (type == (USB_DIR_OUT|USB_RECIP_DEVICE) && - le16_to_cpu(req.wValue) == - USB_DEVICE_REMOTE_WAKEUP) { - if (req.wLength != 0) - break; - udc->remote_wakeup = 0; - err = isr_setup_status_phase(udc); - } else { - goto delegate; - } - break; - case USB_REQ_GET_STATUS: - if (type != (USB_DIR_IN|USB_RECIP_DEVICE) && - type != (USB_DIR_IN|USB_RECIP_ENDPOINT) && - type != (USB_DIR_IN|USB_RECIP_INTERFACE)) - goto delegate; - if (le16_to_cpu(req.wLength) != 2 || - le16_to_cpu(req.wValue) != 0) - break; - err = isr_get_status_response(udc, &req); - break; - case USB_REQ_SET_ADDRESS: - if (type != (USB_DIR_OUT|USB_RECIP_DEVICE)) - goto delegate; - if (le16_to_cpu(req.wLength) != 0 || - le16_to_cpu(req.wIndex) != 0) - break; - udc->address = (u8)le16_to_cpu(req.wValue); - udc->setaddr = true; - err = isr_setup_status_phase(udc); - break; - case USB_REQ_SET_FEATURE: - if (type == (USB_DIR_OUT|USB_RECIP_ENDPOINT) && - le16_to_cpu(req.wValue) == - USB_ENDPOINT_HALT) { - if (req.wLength != 0) - break; - num = le16_to_cpu(req.wIndex); - dir = num & USB_ENDPOINT_DIR_MASK; - num &= USB_ENDPOINT_NUMBER_MASK; - if (dir) /* TX */ - num += udc->hw_ep_max/2; - - spin_unlock(&udc->lock); - err = usb_ep_set_halt(&udc->ci13xxx_ep[num].ep); - spin_lock(&udc->lock); - if (!err) - isr_setup_status_phase(udc); - } else if (type == (USB_DIR_OUT|USB_RECIP_DEVICE)) { - if (req.wLength != 0) - break; - switch (le16_to_cpu(req.wValue)) { - case USB_DEVICE_REMOTE_WAKEUP: - udc->remote_wakeup = 1; - err = isr_setup_status_phase(udc); - break; - case USB_DEVICE_TEST_MODE: - tmode = le16_to_cpu(req.wIndex) >> 8; - switch (tmode) { - case TEST_J: - case TEST_K: - case TEST_SE0_NAK: - case TEST_PACKET: - case TEST_FORCE_EN: - udc->test_mode = tmode; - err = isr_setup_status_phase( - udc); - break; - default: - break; - } - default: - goto delegate; - } - } else { - goto delegate; - } - break; - default: -delegate: - if (req.wLength == 0) /* no data phase */ - udc->ep0_dir = TX; - - spin_unlock(&udc->lock); - err = udc->driver->setup(&udc->gadget, &req); - spin_lock(&udc->lock); - break; - } - - if (err < 0) { - dbg_event(_usb_addr(mEp), "ERROR", err); - - spin_unlock(&udc->lock); - if (usb_ep_set_halt(&mEp->ep)) - dev_err(udc->dev, "error: ep_set_halt\n"); - spin_lock(&udc->lock); - } - } -} - -/****************************************************************************** - * ENDPT block - *****************************************************************************/ -/** - * ep_enable: configure endpoint, making it usable - * - * Check usb_ep_enable() at "usb_gadget.h" for details - */ -static int ep_enable(struct usb_ep *ep, - const struct usb_endpoint_descriptor *desc) -{ - struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep); - int retval = 0; - unsigned long flags; - - if (ep == NULL || desc == NULL) - return -EINVAL; - - spin_lock_irqsave(mEp->lock, flags); - - /* only internal SW should enable ctrl endpts */ - - mEp->ep.desc = desc; - - if (!list_empty(&mEp->qh.queue)) - dev_warn(mEp->udc->dev, "enabling a non-empty endpoint!\n"); - - mEp->dir = usb_endpoint_dir_in(desc) ? TX : RX; - mEp->num = usb_endpoint_num(desc); - mEp->type = usb_endpoint_type(desc); - - mEp->ep.maxpacket = usb_endpoint_maxp(desc); - - dbg_event(_usb_addr(mEp), "ENABLE", 0); - - mEp->qh.ptr->cap = 0; - - if (mEp->type == USB_ENDPOINT_XFER_CONTROL) - mEp->qh.ptr->cap |= QH_IOS; - else if (mEp->type == USB_ENDPOINT_XFER_ISOC) - mEp->qh.ptr->cap &= ~QH_MULT; - else - mEp->qh.ptr->cap &= ~QH_ZLT; - - mEp->qh.ptr->cap |= - (mEp->ep.maxpacket << ffs_nr(QH_MAX_PKT)) & QH_MAX_PKT; - mEp->qh.ptr->td.next |= TD_TERMINATE; /* needed? */ - - /* - * Enable endpoints in the HW other than ep0 as ep0 - * is always enabled - */ - if (mEp->num) - retval |= hw_ep_enable(mEp->udc, mEp->num, mEp->dir, mEp->type); - - spin_unlock_irqrestore(mEp->lock, flags); - return retval; -} - -/** - * ep_disable: endpoint is no longer usable - * - * Check usb_ep_disable() at "usb_gadget.h" for details - */ -static int ep_disable(struct usb_ep *ep) -{ - struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep); - int direction, retval = 0; - unsigned long flags; - - if (ep == NULL) - return -EINVAL; - else if (mEp->ep.desc == NULL) - return -EBUSY; - - spin_lock_irqsave(mEp->lock, flags); - - /* only internal SW should disable ctrl endpts */ - - direction = mEp->dir; - do { - dbg_event(_usb_addr(mEp), "DISABLE", 0); - - retval |= _ep_nuke(mEp); - retval |= hw_ep_disable(mEp->udc, mEp->num, mEp->dir); - - if (mEp->type == USB_ENDPOINT_XFER_CONTROL) - mEp->dir = (mEp->dir == TX) ? RX : TX; - - } while (mEp->dir != direction); - - mEp->ep.desc = NULL; - - spin_unlock_irqrestore(mEp->lock, flags); - return retval; -} - -/** - * ep_alloc_request: allocate a request object to use with this endpoint - * - * Check usb_ep_alloc_request() at "usb_gadget.h" for details - */ -static struct usb_request *ep_alloc_request(struct usb_ep *ep, gfp_t gfp_flags) -{ - struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep); - struct ci13xxx_req *mReq = NULL; - - if (ep == NULL) - return NULL; - - mReq = kzalloc(sizeof(struct ci13xxx_req), gfp_flags); - if (mReq != NULL) { - INIT_LIST_HEAD(&mReq->queue); - mReq->req.dma = DMA_ADDR_INVALID; - - mReq->ptr = dma_pool_alloc(mEp->td_pool, gfp_flags, - &mReq->dma); - if (mReq->ptr == NULL) { - kfree(mReq); - mReq = NULL; - } - } - - dbg_event(_usb_addr(mEp), "ALLOC", mReq == NULL); - - return (mReq == NULL) ? NULL : &mReq->req; -} - -/** - * ep_free_request: frees a request object - * - * Check usb_ep_free_request() at "usb_gadget.h" for details - */ -static void ep_free_request(struct usb_ep *ep, struct usb_request *req) -{ - struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep); - struct ci13xxx_req *mReq = container_of(req, struct ci13xxx_req, req); - unsigned long flags; - - if (ep == NULL || req == NULL) { - return; - } else if (!list_empty(&mReq->queue)) { - dev_err(mEp->udc->dev, "freeing queued request\n"); - return; - } - - spin_lock_irqsave(mEp->lock, flags); - - if (mReq->ptr) - dma_pool_free(mEp->td_pool, mReq->ptr, mReq->dma); - kfree(mReq); - - dbg_event(_usb_addr(mEp), "FREE", 0); - - spin_unlock_irqrestore(mEp->lock, flags); -} - -/** - * ep_queue: queues (submits) an I/O request to an endpoint - * - * Check usb_ep_queue()* at usb_gadget.h" for details - */ -static int ep_queue(struct usb_ep *ep, struct usb_request *req, - gfp_t __maybe_unused gfp_flags) -{ - struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep); - struct ci13xxx_req *mReq = container_of(req, struct ci13xxx_req, req); - struct ci13xxx *udc = mEp->udc; - int retval = 0; - unsigned long flags; - - if (ep == NULL || req == NULL || mEp->ep.desc == NULL) - return -EINVAL; - - spin_lock_irqsave(mEp->lock, flags); - - if (mEp->type == USB_ENDPOINT_XFER_CONTROL) { - if (req->length) - mEp = (udc->ep0_dir == RX) ? - udc->ep0out : udc->ep0in; - if (!list_empty(&mEp->qh.queue)) { - _ep_nuke(mEp); - retval = -EOVERFLOW; - dev_warn(mEp->udc->dev, "endpoint ctrl %X nuked\n", - _usb_addr(mEp)); - } - } - - /* first nuke then test link, e.g. previous status has not sent */ - if (!list_empty(&mReq->queue)) { - retval = -EBUSY; - dev_err(mEp->udc->dev, "request already in queue\n"); - goto done; - } - - if (req->length > 4 * CI13XXX_PAGE_SIZE) { - req->length = 4 * CI13XXX_PAGE_SIZE; - retval = -EMSGSIZE; - dev_warn(mEp->udc->dev, "request length truncated\n"); - } - - dbg_queue(_usb_addr(mEp), req, retval); - - /* push request */ - mReq->req.status = -EINPROGRESS; - mReq->req.actual = 0; - - retval = _hardware_enqueue(mEp, mReq); - - if (retval == -EALREADY) { - dbg_event(_usb_addr(mEp), "QUEUE", retval); - retval = 0; - } - if (!retval) - list_add_tail(&mReq->queue, &mEp->qh.queue); - - done: - spin_unlock_irqrestore(mEp->lock, flags); - return retval; -} - -/** - * ep_dequeue: dequeues (cancels, unlinks) an I/O request from an endpoint - * - * Check usb_ep_dequeue() at "usb_gadget.h" for details - */ -static int ep_dequeue(struct usb_ep *ep, struct usb_request *req) -{ - struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep); - struct ci13xxx_req *mReq = container_of(req, struct ci13xxx_req, req); - unsigned long flags; - - if (ep == NULL || req == NULL || mReq->req.status != -EALREADY || - mEp->ep.desc == NULL || list_empty(&mReq->queue) || - list_empty(&mEp->qh.queue)) - return -EINVAL; - - spin_lock_irqsave(mEp->lock, flags); - - dbg_event(_usb_addr(mEp), "DEQUEUE", 0); - - hw_ep_flush(mEp->udc, mEp->num, mEp->dir); - - /* pop request */ - list_del_init(&mReq->queue); - if (mReq->map) { - dma_unmap_single(mEp->device, mReq->req.dma, mReq->req.length, - mEp->dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - mReq->req.dma = DMA_ADDR_INVALID; - mReq->map = 0; - } - req->status = -ECONNRESET; - - if (mReq->req.complete != NULL) { - spin_unlock(mEp->lock); - mReq->req.complete(&mEp->ep, &mReq->req); - spin_lock(mEp->lock); - } - - spin_unlock_irqrestore(mEp->lock, flags); - return 0; -} - -/** - * ep_set_halt: sets the endpoint halt feature - * - * Check usb_ep_set_halt() at "usb_gadget.h" for details - */ -static int ep_set_halt(struct usb_ep *ep, int value) -{ - struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep); - int direction, retval = 0; - unsigned long flags; - - if (ep == NULL || mEp->ep.desc == NULL) - return -EINVAL; - - spin_lock_irqsave(mEp->lock, flags); - -#ifndef STALL_IN - /* g_file_storage MS compliant but g_zero fails chapter 9 compliance */ - if (value && mEp->type == USB_ENDPOINT_XFER_BULK && mEp->dir == TX && - !list_empty(&mEp->qh.queue)) { - spin_unlock_irqrestore(mEp->lock, flags); - return -EAGAIN; - } -#endif - - direction = mEp->dir; - do { - dbg_event(_usb_addr(mEp), "HALT", value); - retval |= hw_ep_set_halt(mEp->udc, mEp->num, mEp->dir, value); - - if (!value) - mEp->wedge = 0; - - if (mEp->type == USB_ENDPOINT_XFER_CONTROL) - mEp->dir = (mEp->dir == TX) ? RX : TX; - - } while (mEp->dir != direction); - - spin_unlock_irqrestore(mEp->lock, flags); - return retval; -} - -/** - * ep_set_wedge: sets the halt feature and ignores clear requests - * - * Check usb_ep_set_wedge() at "usb_gadget.h" for details - */ -static int ep_set_wedge(struct usb_ep *ep) -{ - struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep); - unsigned long flags; - - if (ep == NULL || mEp->ep.desc == NULL) - return -EINVAL; - - spin_lock_irqsave(mEp->lock, flags); - - dbg_event(_usb_addr(mEp), "WEDGE", 0); - mEp->wedge = 1; - - spin_unlock_irqrestore(mEp->lock, flags); - - return usb_ep_set_halt(ep); -} - -/** - * ep_fifo_flush: flushes contents of a fifo - * - * Check usb_ep_fifo_flush() at "usb_gadget.h" for details - */ -static void ep_fifo_flush(struct usb_ep *ep) -{ - struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep); - unsigned long flags; - - if (ep == NULL) { - dev_err(mEp->udc->dev, "%02X: -EINVAL\n", _usb_addr(mEp)); - return; - } - - spin_lock_irqsave(mEp->lock, flags); - - dbg_event(_usb_addr(mEp), "FFLUSH", 0); - hw_ep_flush(mEp->udc, mEp->num, mEp->dir); - - spin_unlock_irqrestore(mEp->lock, flags); -} - -/** - * Endpoint-specific part of the API to the USB controller hardware - * Check "usb_gadget.h" for details - */ -static const struct usb_ep_ops usb_ep_ops = { - .enable = ep_enable, - .disable = ep_disable, - .alloc_request = ep_alloc_request, - .free_request = ep_free_request, - .queue = ep_queue, - .dequeue = ep_dequeue, - .set_halt = ep_set_halt, - .set_wedge = ep_set_wedge, - .fifo_flush = ep_fifo_flush, -}; - -/****************************************************************************** - * GADGET block - *****************************************************************************/ -static int ci13xxx_vbus_session(struct usb_gadget *_gadget, int is_active) -{ - struct ci13xxx *udc = container_of(_gadget, struct ci13xxx, gadget); - unsigned long flags; - int gadget_ready = 0; - - if (!(udc->udc_driver->flags & CI13XXX_PULLUP_ON_VBUS)) - return -EOPNOTSUPP; - - spin_lock_irqsave(&udc->lock, flags); - udc->vbus_active = is_active; - if (udc->driver) - gadget_ready = 1; - spin_unlock_irqrestore(&udc->lock, flags); - - if (gadget_ready) { - if (is_active) { - pm_runtime_get_sync(&_gadget->dev); - hw_device_reset(udc); - hw_device_state(udc, udc->ep0out->qh.dma); - } else { - hw_device_state(udc, 0); - if (udc->udc_driver->notify_event) - udc->udc_driver->notify_event(udc, - CI13XXX_CONTROLLER_STOPPED_EVENT); - _gadget_stop_activity(&udc->gadget); - pm_runtime_put_sync(&_gadget->dev); - } - } - - return 0; -} - -static int ci13xxx_wakeup(struct usb_gadget *_gadget) -{ - struct ci13xxx *udc = container_of(_gadget, struct ci13xxx, gadget); - unsigned long flags; - int ret = 0; - - spin_lock_irqsave(&udc->lock, flags); - if (!udc->remote_wakeup) { - ret = -EOPNOTSUPP; - goto out; - } - if (!hw_read(udc, OP_PORTSC, PORTSC_SUSP)) { - ret = -EINVAL; - goto out; - } - hw_write(udc, OP_PORTSC, PORTSC_FPR, PORTSC_FPR); -out: - spin_unlock_irqrestore(&udc->lock, flags); - return ret; -} - -static int ci13xxx_vbus_draw(struct usb_gadget *_gadget, unsigned mA) -{ - struct ci13xxx *udc = container_of(_gadget, struct ci13xxx, gadget); - - if (udc->transceiver) - return usb_phy_set_power(udc->transceiver, mA); - return -ENOTSUPP; -} - -static int ci13xxx_start(struct usb_gadget *gadget, - struct usb_gadget_driver *driver); -static int ci13xxx_stop(struct usb_gadget *gadget, - struct usb_gadget_driver *driver); -/** - * Device operations part of the API to the USB controller hardware, - * which don't involve endpoints (or i/o) - * Check "usb_gadget.h" for details - */ -static const struct usb_gadget_ops usb_gadget_ops = { - .vbus_session = ci13xxx_vbus_session, - .wakeup = ci13xxx_wakeup, - .vbus_draw = ci13xxx_vbus_draw, - .udc_start = ci13xxx_start, - .udc_stop = ci13xxx_stop, -}; - -static int init_eps(struct ci13xxx *udc) -{ - int retval = 0, i, j; - - for (i = 0; i < udc->hw_ep_max/2; i++) - for (j = RX; j <= TX; j++) { - int k = i + j * udc->hw_ep_max/2; - struct ci13xxx_ep *mEp = &udc->ci13xxx_ep[k]; - - scnprintf(mEp->name, sizeof(mEp->name), "ep%i%s", i, - (j == TX) ? "in" : "out"); - - mEp->udc = udc; - mEp->lock = &udc->lock; - mEp->device = &udc->gadget.dev; - mEp->td_pool = udc->td_pool; - - mEp->ep.name = mEp->name; - mEp->ep.ops = &usb_ep_ops; - mEp->ep.maxpacket = CTRL_PAYLOAD_MAX; - - INIT_LIST_HEAD(&mEp->qh.queue); - mEp->qh.ptr = dma_pool_alloc(udc->qh_pool, GFP_KERNEL, - &mEp->qh.dma); - if (mEp->qh.ptr == NULL) - retval = -ENOMEM; - else - memset(mEp->qh.ptr, 0, sizeof(*mEp->qh.ptr)); - - /* - * set up shorthands for ep0 out and in endpoints, - * don't add to gadget's ep_list - */ - if (i == 0) { - if (j == RX) - udc->ep0out = mEp; - else - udc->ep0in = mEp; - - continue; - } - - list_add_tail(&mEp->ep.ep_list, &udc->gadget.ep_list); - } - - return retval; -} - -/** - * ci13xxx_start: register a gadget driver - * @gadget: our gadget - * @driver: the driver being registered - * - * Interrupts are enabled here. - */ -static int ci13xxx_start(struct usb_gadget *gadget, - struct usb_gadget_driver *driver) -{ - struct ci13xxx *udc = container_of(gadget, struct ci13xxx, gadget); - unsigned long flags; - int retval = -ENOMEM; - - if (driver->disconnect == NULL) - return -EINVAL; - - - udc->ep0out->ep.desc = &ctrl_endpt_out_desc; - retval = usb_ep_enable(&udc->ep0out->ep); - if (retval) - return retval; - - udc->ep0in->ep.desc = &ctrl_endpt_in_desc; - retval = usb_ep_enable(&udc->ep0in->ep); - if (retval) - return retval; - spin_lock_irqsave(&udc->lock, flags); - - udc->driver = driver; - pm_runtime_get_sync(&udc->gadget.dev); - if (udc->udc_driver->flags & CI13XXX_PULLUP_ON_VBUS) { - if (udc->vbus_active) { - if (udc->udc_driver->flags & CI13XXX_REGS_SHARED) - hw_device_reset(udc); - } else { - pm_runtime_put_sync(&udc->gadget.dev); - goto done; - } - } - - retval = hw_device_state(udc, udc->ep0out->qh.dma); - if (retval) - pm_runtime_put_sync(&udc->gadget.dev); - - done: - spin_unlock_irqrestore(&udc->lock, flags); - return retval; -} - -/** - * ci13xxx_stop: unregister a gadget driver - */ -static int ci13xxx_stop(struct usb_gadget *gadget, - struct usb_gadget_driver *driver) -{ - struct ci13xxx *udc = container_of(gadget, struct ci13xxx, gadget); - unsigned long flags; - - spin_lock_irqsave(&udc->lock, flags); - - if (!(udc->udc_driver->flags & CI13XXX_PULLUP_ON_VBUS) || - udc->vbus_active) { - hw_device_state(udc, 0); - if (udc->udc_driver->notify_event) - udc->udc_driver->notify_event(udc, - CI13XXX_CONTROLLER_STOPPED_EVENT); - udc->driver = NULL; - spin_unlock_irqrestore(&udc->lock, flags); - _gadget_stop_activity(&udc->gadget); - spin_lock_irqsave(&udc->lock, flags); - pm_runtime_put(&udc->gadget.dev); - } - - spin_unlock_irqrestore(&udc->lock, flags); - - return 0; -} - -/****************************************************************************** - * BUS block - *****************************************************************************/ -/** - * udc_irq: global interrupt handler - * - * This function returns IRQ_HANDLED if the IRQ has been handled - * It locks access to registers - */ -static irqreturn_t udc_irq(int irq, void *data) -{ - struct ci13xxx *udc = data; - irqreturn_t retval; - u32 intr; - - if (udc == NULL) - return IRQ_HANDLED; - - spin_lock(&udc->lock); - - if (udc->udc_driver->flags & CI13XXX_REGS_SHARED) { - if (hw_read(udc, OP_USBMODE, USBMODE_CM) != - USBMODE_CM_DEVICE) { - spin_unlock(&udc->lock); - return IRQ_NONE; - } - } - intr = hw_test_and_clear_intr_active(udc); - if (intr) { - isr_statistics.hndl.buf[isr_statistics.hndl.idx++] = intr; - isr_statistics.hndl.idx &= ISR_MASK; - isr_statistics.hndl.cnt++; - - /* order defines priority - do NOT change it */ - if (USBi_URI & intr) { - isr_statistics.uri++; - isr_reset_handler(udc); - } - if (USBi_PCI & intr) { - isr_statistics.pci++; - udc->gadget.speed = hw_port_is_high_speed(udc) ? - USB_SPEED_HIGH : USB_SPEED_FULL; - if (udc->suspended && udc->driver->resume) { - spin_unlock(&udc->lock); - udc->driver->resume(&udc->gadget); - spin_lock(&udc->lock); - udc->suspended = 0; - } - } - if (USBi_UEI & intr) - isr_statistics.uei++; - if (USBi_UI & intr) { - isr_statistics.ui++; - isr_tr_complete_handler(udc); - } - if (USBi_SLI & intr) { - if (udc->gadget.speed != USB_SPEED_UNKNOWN && - udc->driver->suspend) { - udc->suspended = 1; - spin_unlock(&udc->lock); - udc->driver->suspend(&udc->gadget); - spin_lock(&udc->lock); - } - isr_statistics.sli++; - } - retval = IRQ_HANDLED; - } else { - isr_statistics.none++; - retval = IRQ_NONE; - } - spin_unlock(&udc->lock); - - return retval; -} - -/** - * udc_release: driver release function - * @dev: device - * - * Currently does nothing - */ -static void udc_release(struct device *dev) -{ -} - -/** - * udc_probe: parent probe must call this to initialize UDC - * @dev: parent device - * @regs: registers base address - * @name: driver name - * - * This function returns an error code - * No interrupts active, the IRQ has not been requested yet - * Kernel assumes 32-bit DMA operations by default, no need to dma_set_mask - */ -static int udc_probe(struct ci13xxx_udc_driver *driver, struct device *dev, - void __iomem *regs, struct ci13xxx **_udc) -{ - struct ci13xxx *udc; - int retval = 0; - - if (dev == NULL || regs == NULL || driver == NULL || - driver->name == NULL) - return -EINVAL; - - udc = kzalloc(sizeof(struct ci13xxx), GFP_KERNEL); - if (udc == NULL) - return -ENOMEM; - - spin_lock_init(&udc->lock); - udc->regs = regs; - udc->udc_driver = driver; - - udc->gadget.ops = &usb_gadget_ops; - udc->gadget.speed = USB_SPEED_UNKNOWN; - udc->gadget.max_speed = USB_SPEED_HIGH; - udc->gadget.is_otg = 0; - udc->gadget.name = driver->name; - - INIT_LIST_HEAD(&udc->gadget.ep_list); - - dev_set_name(&udc->gadget.dev, "gadget"); - udc->gadget.dev.dma_mask = dev->dma_mask; - udc->gadget.dev.coherent_dma_mask = dev->coherent_dma_mask; - udc->gadget.dev.parent = dev; - udc->gadget.dev.release = udc_release; - - udc->dev = dev; - - /* alloc resources */ - udc->qh_pool = dma_pool_create("ci13xxx_qh", dev, - sizeof(struct ci13xxx_qh), - 64, CI13XXX_PAGE_SIZE); - if (udc->qh_pool == NULL) { - retval = -ENOMEM; - goto free_udc; - } - - udc->td_pool = dma_pool_create("ci13xxx_td", dev, - sizeof(struct ci13xxx_td), - 64, CI13XXX_PAGE_SIZE); - if (udc->td_pool == NULL) { - retval = -ENOMEM; - goto free_qh_pool; - } - - retval = hw_device_init(udc, regs, driver->capoffset); - if (retval < 0) - goto free_pools; - - retval = init_eps(udc); - if (retval) - goto free_pools; - - udc->gadget.ep0 = &udc->ep0in->ep; - - udc->transceiver = usb_get_transceiver(); - - if (udc->udc_driver->flags & CI13XXX_REQUIRE_TRANSCEIVER) { - if (udc->transceiver == NULL) { - retval = -ENODEV; - goto free_pools; - } - } - - if (!(udc->udc_driver->flags & CI13XXX_REGS_SHARED)) { - retval = hw_device_reset(udc); - if (retval) - goto put_transceiver; - } - - retval = device_register(&udc->gadget.dev); - if (retval) { - put_device(&udc->gadget.dev); - goto put_transceiver; - } - -#ifdef CONFIG_USB_GADGET_DEBUG_FILES - retval = dbg_create_files(&udc->gadget.dev); -#endif - if (retval) - goto unreg_device; - - if (udc->transceiver) { - retval = otg_set_peripheral(udc->transceiver->otg, - &udc->gadget); - if (retval) - goto remove_dbg; - } - - retval = usb_add_gadget_udc(dev, &udc->gadget); - if (retval) - goto remove_trans; - - pm_runtime_no_callbacks(&udc->gadget.dev); - pm_runtime_enable(&udc->gadget.dev); - - *_udc = udc; - return retval; - -remove_trans: - if (udc->transceiver) { - otg_set_peripheral(udc->transceiver->otg, &udc->gadget); - usb_put_transceiver(udc->transceiver); - } - - dev_err(dev, "error = %i\n", retval); -remove_dbg: -#ifdef CONFIG_USB_GADGET_DEBUG_FILES - dbg_remove_files(&udc->gadget.dev); -#endif -unreg_device: - device_unregister(&udc->gadget.dev); -put_transceiver: - if (udc->transceiver) - usb_put_transceiver(udc->transceiver); -free_pools: - dma_pool_destroy(udc->td_pool); -free_qh_pool: - dma_pool_destroy(udc->qh_pool); -free_udc: - kfree(udc); - *_udc = NULL; - return retval; -} - -/** - * udc_remove: parent remove must call this to remove UDC - * - * No interrupts active, the IRQ has been released - */ -static void udc_remove(struct ci13xxx *udc) -{ - int i; - - if (udc == NULL) - return; - - usb_del_gadget_udc(&udc->gadget); - - for (i = 0; i < udc->hw_ep_max; i++) { - struct ci13xxx_ep *mEp = &udc->ci13xxx_ep[i]; - - dma_pool_free(udc->qh_pool, mEp->qh.ptr, mEp->qh.dma); - } - - dma_pool_destroy(udc->td_pool); - dma_pool_destroy(udc->qh_pool); - - if (udc->transceiver) { - otg_set_peripheral(udc->transceiver->otg, &udc->gadget); - usb_put_transceiver(udc->transceiver); - } -#ifdef CONFIG_USB_GADGET_DEBUG_FILES - dbg_remove_files(&udc->gadget.dev); -#endif - device_unregister(&udc->gadget.dev); - - kfree(udc->hw_bank.regmap); - kfree(udc); -} - -static int __devinit ci_udc_probe(struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - struct ci13xxx_udc_driver *driver = dev->platform_data; - struct ci13xxx *udc; - struct resource *res; - void __iomem *base; - int ret; - - if (!driver) { - dev_err(dev, "platform data missing\n"); - return -ENODEV; - } - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(dev, "missing resource\n"); - return -ENODEV; - } - - base = devm_request_and_ioremap(dev, res); - if (!res) { - dev_err(dev, "can't request and ioremap resource\n"); - return -ENOMEM; - } - - ret = udc_probe(driver, dev, base, &udc); - if (ret) - return ret; - - udc->irq = platform_get_irq(pdev, 0); - if (udc->irq < 0) { - dev_err(dev, "missing IRQ\n"); - ret = -ENODEV; - goto out; - } - - platform_set_drvdata(pdev, udc); - ret = request_irq(udc->irq, udc_irq, IRQF_SHARED, driver->name, udc); - -out: - if (ret) - udc_remove(udc); - - return ret; -} - -static int __devexit ci_udc_remove(struct platform_device *pdev) -{ - struct ci13xxx *udc = platform_get_drvdata(pdev); - - free_irq(udc->irq, udc); - udc_remove(udc); - - return 0; -} - -static struct platform_driver ci_udc_driver = { - .probe = ci_udc_probe, - .remove = __devexit_p(ci_udc_remove), - .driver = { - .name = "ci_udc", - }, -}; - -module_platform_driver(ci_udc_driver); - -MODULE_ALIAS("platform:ci_udc"); -MODULE_ALIAS("platform:ci13xxx"); -MODULE_LICENSE("GPL v2"); -MODULE_AUTHOR("David Lopo "); -MODULE_DESCRIPTION("ChipIdea UDC Driver"); diff --git a/drivers/usb/chipidea/ci13xxx_udc.h b/drivers/usb/chipidea/ci13xxx_udc.h deleted file mode 100644 index a8aa1a70dec4..000000000000 --- a/drivers/usb/chipidea/ci13xxx_udc.h +++ /dev/null @@ -1,248 +0,0 @@ -/* - * ci13xxx_udc.h - structures, registers, and macros MIPS USB IP core - * - * Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved. - * - * Author: David Lopo - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Description: MIPS USB IP core family device controller - * Structures, registers and logging macros - */ - -#ifndef _CI13XXX_h_ -#define _CI13XXX_h_ - -/****************************************************************************** - * DEFINE - *****************************************************************************/ -#define CI13XXX_PAGE_SIZE 4096ul /* page size for TD's */ -#define ENDPT_MAX 32 -#define CTRL_PAYLOAD_MAX 64 -#define RX 0 /* similar to USB_DIR_OUT but can be used as an index */ -#define TX 1 /* similar to USB_DIR_IN but can be used as an index */ - -/****************************************************************************** - * STRUCTURES - *****************************************************************************/ -/* DMA layout of transfer descriptors */ -struct ci13xxx_td { - /* 0 */ - u32 next; -#define TD_TERMINATE BIT(0) -#define TD_ADDR_MASK (0xFFFFFFEUL << 5) - /* 1 */ - u32 token; -#define TD_STATUS (0x00FFUL << 0) -#define TD_STATUS_TR_ERR BIT(3) -#define TD_STATUS_DT_ERR BIT(5) -#define TD_STATUS_HALTED BIT(6) -#define TD_STATUS_ACTIVE BIT(7) -#define TD_MULTO (0x0003UL << 10) -#define TD_IOC BIT(15) -#define TD_TOTAL_BYTES (0x7FFFUL << 16) - /* 2 */ - u32 page[5]; -#define TD_CURR_OFFSET (0x0FFFUL << 0) -#define TD_FRAME_NUM (0x07FFUL << 0) -#define TD_RESERVED_MASK (0x0FFFUL << 0) -} __attribute__ ((packed)); - -/* DMA layout of queue heads */ -struct ci13xxx_qh { - /* 0 */ - u32 cap; -#define QH_IOS BIT(15) -#define QH_MAX_PKT (0x07FFUL << 16) -#define QH_ZLT BIT(29) -#define QH_MULT (0x0003UL << 30) - /* 1 */ - u32 curr; - /* 2 - 8 */ - struct ci13xxx_td td; - /* 9 */ - u32 RESERVED; - struct usb_ctrlrequest setup; -} __attribute__ ((packed)); - -/* Extension of usb_request */ -struct ci13xxx_req { - struct usb_request req; - unsigned map; - struct list_head queue; - struct ci13xxx_td *ptr; - dma_addr_t dma; - struct ci13xxx_td *zptr; - dma_addr_t zdma; -}; - -/* Extension of usb_ep */ -struct ci13xxx_ep { - struct usb_ep ep; - u8 dir; - u8 num; - u8 type; - char name[16]; - struct { - struct list_head queue; - struct ci13xxx_qh *ptr; - dma_addr_t dma; - } qh; - int wedge; - - /* global resources */ - struct ci13xxx *udc; - spinlock_t *lock; - struct device *device; - struct dma_pool *td_pool; -}; - -struct ci13xxx; -struct ci13xxx_udc_driver { - const char *name; - /* offset of the capability registers */ - uintptr_t capoffset; - unsigned long flags; -#define CI13XXX_REGS_SHARED BIT(0) -#define CI13XXX_REQUIRE_TRANSCEIVER BIT(1) -#define CI13XXX_PULLUP_ON_VBUS BIT(2) -#define CI13XXX_DISABLE_STREAMING BIT(3) - -#define CI13XXX_CONTROLLER_RESET_EVENT 0 -#define CI13XXX_CONTROLLER_STOPPED_EVENT 1 - void (*notify_event) (struct ci13xxx *udc, unsigned event); -}; - -struct hw_bank { - unsigned lpm; /* is LPM? */ - void __iomem *abs; /* bus map offset */ - void __iomem *cap; /* bus map offset + CAP offset */ - void __iomem *op; /* bus map offset + OP offset */ - size_t size; /* bank size */ - void __iomem **regmap; -}; - -/* CI13XXX UDC descriptor & global resources */ -struct ci13xxx { - spinlock_t lock; /* ctrl register bank access */ - void __iomem *regs; /* registers address space */ - - struct dma_pool *qh_pool; /* DMA pool for queue heads */ - struct dma_pool *td_pool; /* DMA pool for transfer descs */ - struct usb_request *status; /* ep0 status request */ - - struct device *dev; - struct usb_gadget gadget; /* USB slave device */ - struct ci13xxx_ep ci13xxx_ep[ENDPT_MAX]; /* extended endpts */ - u32 ep0_dir; /* ep0 direction */ - struct ci13xxx_ep *ep0out, *ep0in; - unsigned hw_ep_max; /* number of hw endpoints */ - - bool setaddr; - u8 address; - u8 remote_wakeup; /* Is remote wakeup feature - enabled by the host? */ - u8 suspended; /* suspended by the host */ - u8 test_mode; /* the selected test mode */ - - struct hw_bank hw_bank; - int irq; - struct usb_gadget_driver *driver; /* 3rd party gadget driver */ - struct ci13xxx_udc_driver *udc_driver; /* device controller driver */ - int vbus_active; /* is VBUS active */ - struct usb_phy *transceiver; /* Transceiver struct */ -}; - -/****************************************************************************** - * REGISTERS - *****************************************************************************/ -/* Default offset of capability registers */ -#define DEF_CAPOFFSET 0x100 - -/* register size */ -#define REG_BITS (32) - -/* register indices */ -enum ci13xxx_regs { - CAP_CAPLENGTH, - CAP_HCCPARAMS, - CAP_DCCPARAMS, - CAP_TESTMODE, - CAP_LAST = CAP_TESTMODE, - OP_USBCMD, - OP_USBSTS, - OP_USBINTR, - OP_DEVICEADDR, - OP_ENDPTLISTADDR, - OP_PORTSC, - OP_DEVLC, - OP_USBMODE, - OP_ENDPTSETUPSTAT, - OP_ENDPTPRIME, - OP_ENDPTFLUSH, - OP_ENDPTSTAT, - OP_ENDPTCOMPLETE, - OP_ENDPTCTRL, - /* endptctrl1..15 follow */ - OP_LAST = OP_ENDPTCTRL + ENDPT_MAX / 2, -}; - -/* HCCPARAMS */ -#define HCCPARAMS_LEN BIT(17) - -/* DCCPARAMS */ -#define DCCPARAMS_DEN (0x1F << 0) -#define DCCPARAMS_DC BIT(7) - -/* TESTMODE */ -#define TESTMODE_FORCE BIT(0) - -/* USBCMD */ -#define USBCMD_RS BIT(0) -#define USBCMD_RST BIT(1) -#define USBCMD_SUTW BIT(13) -#define USBCMD_ATDTW BIT(14) - -/* USBSTS & USBINTR */ -#define USBi_UI BIT(0) -#define USBi_UEI BIT(1) -#define USBi_PCI BIT(2) -#define USBi_URI BIT(6) -#define USBi_SLI BIT(8) - -/* DEVICEADDR */ -#define DEVICEADDR_USBADRA BIT(24) -#define DEVICEADDR_USBADR (0x7FUL << 25) - -/* PORTSC */ -#define PORTSC_FPR BIT(6) -#define PORTSC_SUSP BIT(7) -#define PORTSC_HSP BIT(9) -#define PORTSC_PTC (0x0FUL << 16) - -/* DEVLC */ -#define DEVLC_PSPD (0x03UL << 25) -#define DEVLC_PSPD_HS (0x02UL << 25) - -/* USBMODE */ -#define USBMODE_CM (0x03UL << 0) -#define USBMODE_CM_IDLE (0x00UL << 0) -#define USBMODE_CM_DEVICE (0x02UL << 0) -#define USBMODE_CM_HOST (0x03UL << 0) -#define USBMODE_SLOM BIT(3) -#define USBMODE_SDIS BIT(4) - -/* ENDPTCTRL */ -#define ENDPTCTRL_RXS BIT(0) -#define ENDPTCTRL_RXT (0x03UL << 2) -#define ENDPTCTRL_RXR BIT(6) /* reserved for port 0 */ -#define ENDPTCTRL_RXE BIT(7) -#define ENDPTCTRL_TXS BIT(16) -#define ENDPTCTRL_TXT (0x03UL << 18) -#define ENDPTCTRL_TXR BIT(22) /* reserved for port 0 */ -#define ENDPTCTRL_TXE BIT(23) - -#endif /* _CI13XXX_h_ */ diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c new file mode 100644 index 000000000000..f6eab327ffea --- /dev/null +++ b/drivers/usb/chipidea/core.c @@ -0,0 +1,324 @@ +/* + * core.c - ChipIdea USB IP core family device controller + * + * Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved. + * + * Author: David Lopo + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +/* + * Description: ChipIdea USB IP core family device controller + * + * This driver is composed of several blocks: + * - HW: hardware interface + * - DBG: debug facilities (optional) + * - UTIL: utilities + * - ISR: interrupts handling + * - ENDPT: endpoint operations (Gadget API) + * - GADGET: gadget operations (Gadget API) + * - BUS: bus glue code, bus abstraction layer + * + * Compile Options + * - CONFIG_USB_GADGET_DEBUG_FILES: enable debug facilities + * - STALL_IN: non-empty bulk-in pipes cannot be halted + * if defined mass storage compliance succeeds but with warnings + * => case 4: Hi > Dn + * => case 5: Hi > Di + * => case 8: Hi <> Do + * if undefined usbtest 13 fails + * - TRACE: enable function tracing (depends on DEBUG) + * + * Main Features + * - Chapter 9 & Mass Storage Compliance with Gadget File Storage + * - Chapter 9 Compliance with Gadget Zero (STALL_IN undefined) + * - Normal & LPM support + * + * USBTEST Report + * - OK: 0-12, 13 (STALL_IN defined) & 14 + * - Not Supported: 15 & 16 (ISO) + * + * TODO List + * - OTG + * - Isochronous & Interrupt Traffic + * - Handle requests which spawns into several TDs + * - GET_STATUS(device) - always reports 0 + * - Gadget API (majority of optional features) + * - Suspend & Remote Wakeup + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "ci.h" +#include "udc.h" +#include "bits.h" +#include "debug.h" + +/* MSM specific */ +#define ABS_AHBBURST (0x0090UL) +#define ABS_AHBMODE (0x0098UL) +/* UDC register map */ +static uintptr_t ci_regs_nolpm[] = { + [CAP_CAPLENGTH] = 0x000UL, + [CAP_HCCPARAMS] = 0x008UL, + [CAP_DCCPARAMS] = 0x024UL, + [CAP_TESTMODE] = 0x038UL, + [OP_USBCMD] = 0x000UL, + [OP_USBSTS] = 0x004UL, + [OP_USBINTR] = 0x008UL, + [OP_DEVICEADDR] = 0x014UL, + [OP_ENDPTLISTADDR] = 0x018UL, + [OP_PORTSC] = 0x044UL, + [OP_DEVLC] = 0x084UL, + [OP_USBMODE] = 0x068UL, + [OP_ENDPTSETUPSTAT] = 0x06CUL, + [OP_ENDPTPRIME] = 0x070UL, + [OP_ENDPTFLUSH] = 0x074UL, + [OP_ENDPTSTAT] = 0x078UL, + [OP_ENDPTCOMPLETE] = 0x07CUL, + [OP_ENDPTCTRL] = 0x080UL, +}; + +static uintptr_t ci_regs_lpm[] = { + [CAP_CAPLENGTH] = 0x000UL, + [CAP_HCCPARAMS] = 0x008UL, + [CAP_DCCPARAMS] = 0x024UL, + [CAP_TESTMODE] = 0x0FCUL, + [OP_USBCMD] = 0x000UL, + [OP_USBSTS] = 0x004UL, + [OP_USBINTR] = 0x008UL, + [OP_DEVICEADDR] = 0x014UL, + [OP_ENDPTLISTADDR] = 0x018UL, + [OP_PORTSC] = 0x044UL, + [OP_DEVLC] = 0x084UL, + [OP_USBMODE] = 0x0C8UL, + [OP_ENDPTSETUPSTAT] = 0x0D8UL, + [OP_ENDPTPRIME] = 0x0DCUL, + [OP_ENDPTFLUSH] = 0x0E0UL, + [OP_ENDPTSTAT] = 0x0E4UL, + [OP_ENDPTCOMPLETE] = 0x0E8UL, + [OP_ENDPTCTRL] = 0x0ECUL, +}; + +static int hw_alloc_regmap(struct ci13xxx *udc, bool is_lpm) +{ + int i; + + kfree(udc->hw_bank.regmap); + + udc->hw_bank.regmap = kzalloc((OP_LAST + 1) * sizeof(void *), + GFP_KERNEL); + if (!udc->hw_bank.regmap) + return -ENOMEM; + + for (i = 0; i < OP_ENDPTCTRL; i++) + udc->hw_bank.regmap[i] = + (i <= CAP_LAST ? udc->hw_bank.cap : udc->hw_bank.op) + + (is_lpm ? ci_regs_lpm[i] : ci_regs_nolpm[i]); + + for (; i <= OP_LAST; i++) + udc->hw_bank.regmap[i] = udc->hw_bank.op + + 4 * (i - OP_ENDPTCTRL) + + (is_lpm + ? ci_regs_lpm[OP_ENDPTCTRL] + : ci_regs_nolpm[OP_ENDPTCTRL]); + + return 0; +} + +/** + * hw_port_test_set: writes port test mode (execute without interruption) + * @mode: new value + * + * This function returns an error code + */ +int hw_port_test_set(struct ci13xxx *ci, u8 mode) +{ + const u8 TEST_MODE_MAX = 7; + + if (mode > TEST_MODE_MAX) + return -EINVAL; + + hw_write(ci, OP_PORTSC, PORTSC_PTC, mode << ffs_nr(PORTSC_PTC)); + return 0; +} + +/** + * hw_port_test_get: reads port test mode value + * + * This function returns port test mode value + */ +u8 hw_port_test_get(struct ci13xxx *ci) +{ + return hw_read(ci, OP_PORTSC, PORTSC_PTC) >> ffs_nr(PORTSC_PTC); +} + +int hw_device_init(struct ci13xxx *udc, void __iomem *base, + uintptr_t cap_offset) +{ + u32 reg; + + /* bank is a module variable */ + udc->hw_bank.abs = base; + + udc->hw_bank.cap = udc->hw_bank.abs; + udc->hw_bank.cap += cap_offset; + udc->hw_bank.op = udc->hw_bank.cap + ioread8(udc->hw_bank.cap); + + hw_alloc_regmap(udc, false); + reg = hw_read(udc, CAP_HCCPARAMS, HCCPARAMS_LEN) >> + ffs_nr(HCCPARAMS_LEN); + udc->hw_bank.lpm = reg; + hw_alloc_regmap(udc, !!reg); + udc->hw_bank.size = udc->hw_bank.op - udc->hw_bank.abs; + udc->hw_bank.size += OP_LAST; + udc->hw_bank.size /= sizeof(u32); + + reg = hw_read(udc, CAP_DCCPARAMS, DCCPARAMS_DEN) >> + ffs_nr(DCCPARAMS_DEN); + udc->hw_ep_max = reg * 2; /* cache hw ENDPT_MAX */ + + if (udc->hw_ep_max == 0 || udc->hw_ep_max > ENDPT_MAX) + return -ENODEV; + + dev_dbg(udc->dev, "ChipIdea UDC found, lpm: %d; cap: %p op: %p\n", + udc->hw_bank.lpm, udc->hw_bank.cap, udc->hw_bank.op); + + /* setup lock mode ? */ + + /* ENDPTSETUPSTAT is '0' by default */ + + /* HCSPARAMS.bf.ppc SHOULD BE zero for device */ + + return 0; +} + +/** + * hw_device_reset: resets chip (execute without interruption) + * @ci: the controller + * + * This function returns an error code + */ +int hw_device_reset(struct ci13xxx *ci) +{ + /* should flush & stop before reset */ + hw_write(ci, OP_ENDPTFLUSH, ~0, ~0); + hw_write(ci, OP_USBCMD, USBCMD_RS, 0); + + hw_write(ci, OP_USBCMD, USBCMD_RST, USBCMD_RST); + while (hw_read(ci, OP_USBCMD, USBCMD_RST)) + udelay(10); /* not RTOS friendly */ + + + if (ci->udc_driver->notify_event) + ci->udc_driver->notify_event(ci, + CI13XXX_CONTROLLER_RESET_EVENT); + + if (ci->udc_driver->flags & CI13XXX_DISABLE_STREAMING) + hw_write(ci, OP_USBMODE, USBMODE_SDIS, USBMODE_SDIS); + + /* USBMODE should be configured step by step */ + hw_write(ci, OP_USBMODE, USBMODE_CM, USBMODE_CM_IDLE); + hw_write(ci, OP_USBMODE, USBMODE_CM, USBMODE_CM_DEVICE); + /* HW >= 2.3 */ + hw_write(ci, OP_USBMODE, USBMODE_SLOM, USBMODE_SLOM); + + if (hw_read(ci, OP_USBMODE, USBMODE_CM) != USBMODE_CM_DEVICE) { + pr_err("cannot enter in device mode"); + pr_err("lpm = %i", ci->hw_bank.lpm); + return -ENODEV; + } + + return 0; +} + +static int __devinit ci_udc_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct ci13xxx_udc_driver *driver = dev->platform_data; + struct ci13xxx *udc; + struct resource *res; + void __iomem *base; + int ret; + + if (!driver) { + dev_err(dev, "platform data missing\n"); + return -ENODEV; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(dev, "missing resource\n"); + return -ENODEV; + } + + base = devm_request_and_ioremap(dev, res); + if (!res) { + dev_err(dev, "can't request and ioremap resource\n"); + return -ENOMEM; + } + + ret = udc_probe(driver, dev, base, &udc); + if (ret) + return ret; + + udc->irq = platform_get_irq(pdev, 0); + if (udc->irq < 0) { + dev_err(dev, "missing IRQ\n"); + ret = -ENODEV; + goto out; + } + + platform_set_drvdata(pdev, udc); + ret = request_irq(udc->irq, udc_irq, IRQF_SHARED, driver->name, udc); + +out: + if (ret) + udc_remove(udc); + + return ret; +} + +static int __devexit ci_udc_remove(struct platform_device *pdev) +{ + struct ci13xxx *udc = platform_get_drvdata(pdev); + + free_irq(udc->irq, udc); + udc_remove(udc); + + return 0; +} + +static struct platform_driver ci_udc_driver = { + .probe = ci_udc_probe, + .remove = __devexit_p(ci_udc_remove), + .driver = { + .name = "ci_udc", + }, +}; + +module_platform_driver(ci_udc_driver); + +MODULE_ALIAS("platform:ci_udc"); +MODULE_ALIAS("platform:ci13xxx"); +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("David Lopo "); +MODULE_DESCRIPTION("ChipIdea UDC Driver"); diff --git a/drivers/usb/chipidea/debug.c b/drivers/usb/chipidea/debug.c new file mode 100644 index 000000000000..c4b3e15532db --- /dev/null +++ b/drivers/usb/chipidea/debug.c @@ -0,0 +1,804 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "ci.h" +#include "udc.h" +#include "bits.h" +#include "debug.h" + +/* Interrupt statistics */ +#define ISR_MASK 0x1F +static struct isr_statistics { + u32 test; + u32 ui; + u32 uei; + u32 pci; + u32 uri; + u32 sli; + u32 none; + struct { + u32 cnt; + u32 buf[ISR_MASK+1]; + u32 idx; + } hndl; +} isr_statistics; + +void dbg_interrupt(u32 intmask) +{ + if (!intmask) { + isr_statistics.none++; + return; + } + + isr_statistics.hndl.buf[isr_statistics.hndl.idx++] = intmask; + isr_statistics.hndl.idx &= ISR_MASK; + isr_statistics.hndl.cnt++; + + if (USBi_URI & intmask) + isr_statistics.uri++; + if (USBi_PCI & intmask) + isr_statistics.pci++; + if (USBi_UEI & intmask) + isr_statistics.uei++; + if (USBi_UI & intmask) + isr_statistics.ui++; + if (USBi_SLI & intmask) + isr_statistics.sli++; +} + +/** + * hw_register_read: reads all device registers (execute without interruption) + * @buf: destination buffer + * @size: buffer size + * + * This function returns number of registers read + */ +static size_t hw_register_read(struct ci13xxx *udc, u32 *buf, size_t size) +{ + unsigned i; + + if (size > udc->hw_bank.size) + size = udc->hw_bank.size; + + for (i = 0; i < size; i++) + buf[i] = hw_read(udc, i * sizeof(u32), ~0); + + return size; +} + +/** + * hw_register_write: writes to register + * @addr: register address + * @data: register value + * + * This function returns an error code + */ +static int hw_register_write(struct ci13xxx *udc, u16 addr, u32 data) +{ + /* align */ + addr /= sizeof(u32); + + if (addr >= udc->hw_bank.size) + return -EINVAL; + + /* align */ + addr *= sizeof(u32); + + hw_write(udc, addr, ~0, data); + return 0; +} + +/** + * hw_intr_clear: disables interrupt & clears interrupt status (execute without + * interruption) + * @n: interrupt bit + * + * This function returns an error code + */ +static int hw_intr_clear(struct ci13xxx *udc, int n) +{ + if (n >= REG_BITS) + return -EINVAL; + + hw_write(udc, OP_USBINTR, BIT(n), 0); + hw_write(udc, OP_USBSTS, BIT(n), BIT(n)); + return 0; +} + +/** + * hw_intr_force: enables interrupt & forces interrupt status (execute without + * interruption) + * @n: interrupt bit + * + * This function returns an error code + */ +static int hw_intr_force(struct ci13xxx *udc, int n) +{ + if (n >= REG_BITS) + return -EINVAL; + + hw_write(udc, CAP_TESTMODE, TESTMODE_FORCE, TESTMODE_FORCE); + hw_write(udc, OP_USBINTR, BIT(n), BIT(n)); + hw_write(udc, OP_USBSTS, BIT(n), BIT(n)); + hw_write(udc, CAP_TESTMODE, TESTMODE_FORCE, 0); + return 0; +} + +/** + * show_device: prints information about device capabilities and status + * + * Check "device.h" for details + */ +static ssize_t show_device(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev); + struct usb_gadget *gadget = &udc->gadget; + int n = 0; + + if (attr == NULL || buf == NULL) { + dev_err(udc->dev, "[%s] EINVAL\n", __func__); + return 0; + } + + n += scnprintf(buf + n, PAGE_SIZE - n, "speed = %d\n", + gadget->speed); + n += scnprintf(buf + n, PAGE_SIZE - n, "max_speed = %d\n", + gadget->max_speed); + /* TODO: Scheduled for removal in 3.8. */ + n += scnprintf(buf + n, PAGE_SIZE - n, "is_dualspeed = %d\n", + gadget_is_dualspeed(gadget)); + n += scnprintf(buf + n, PAGE_SIZE - n, "is_otg = %d\n", + gadget->is_otg); + n += scnprintf(buf + n, PAGE_SIZE - n, "is_a_peripheral = %d\n", + gadget->is_a_peripheral); + n += scnprintf(buf + n, PAGE_SIZE - n, "b_hnp_enable = %d\n", + gadget->b_hnp_enable); + n += scnprintf(buf + n, PAGE_SIZE - n, "a_hnp_support = %d\n", + gadget->a_hnp_support); + n += scnprintf(buf + n, PAGE_SIZE - n, "a_alt_hnp_support = %d\n", + gadget->a_alt_hnp_support); + n += scnprintf(buf + n, PAGE_SIZE - n, "name = %s\n", + (gadget->name ? gadget->name : "")); + + return n; +} +static DEVICE_ATTR(device, S_IRUSR, show_device, NULL); + +/** + * show_driver: prints information about attached gadget (if any) + * + * Check "device.h" for details + */ +static ssize_t show_driver(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev); + struct usb_gadget_driver *driver = udc->driver; + int n = 0; + + if (attr == NULL || buf == NULL) { + dev_err(dev, "[%s] EINVAL\n", __func__); + return 0; + } + + if (driver == NULL) + return scnprintf(buf, PAGE_SIZE, + "There is no gadget attached!\n"); + + n += scnprintf(buf + n, PAGE_SIZE - n, "function = %s\n", + (driver->function ? driver->function : "")); + n += scnprintf(buf + n, PAGE_SIZE - n, "max speed = %d\n", + driver->max_speed); + + return n; +} +static DEVICE_ATTR(driver, S_IRUSR, show_driver, NULL); + +/* Maximum event message length */ +#define DBG_DATA_MSG 64UL + +/* Maximum event messages */ +#define DBG_DATA_MAX 128UL + +/* Event buffer descriptor */ +static struct { + char (buf[DBG_DATA_MAX])[DBG_DATA_MSG]; /* buffer */ + unsigned idx; /* index */ + unsigned tty; /* print to console? */ + rwlock_t lck; /* lock */ +} dbg_data = { + .idx = 0, + .tty = 0, + .lck = __RW_LOCK_UNLOCKED(lck) +}; + +/** + * dbg_dec: decrements debug event index + * @idx: buffer index + */ +static void dbg_dec(unsigned *idx) +{ + *idx = (*idx - 1) & (DBG_DATA_MAX-1); +} + +/** + * dbg_inc: increments debug event index + * @idx: buffer index + */ +static void dbg_inc(unsigned *idx) +{ + *idx = (*idx + 1) & (DBG_DATA_MAX-1); +} + +/** + * dbg_print: prints the common part of the event + * @addr: endpoint address + * @name: event name + * @status: status + * @extra: extra information + */ +static void dbg_print(u8 addr, const char *name, int status, const char *extra) +{ + struct timeval tval; + unsigned int stamp; + unsigned long flags; + + write_lock_irqsave(&dbg_data.lck, flags); + + do_gettimeofday(&tval); + stamp = tval.tv_sec & 0xFFFF; /* 2^32 = 4294967296. Limit to 4096s */ + stamp = stamp * 1000000 + tval.tv_usec; + + scnprintf(dbg_data.buf[dbg_data.idx], DBG_DATA_MSG, + "%04X\t? %02X %-7.7s %4i ?\t%s\n", + stamp, addr, name, status, extra); + + dbg_inc(&dbg_data.idx); + + write_unlock_irqrestore(&dbg_data.lck, flags); + + if (dbg_data.tty != 0) + pr_notice("%04X\t? %02X %-7.7s %4i ?\t%s\n", + stamp, addr, name, status, extra); +} + +/** + * dbg_done: prints a DONE event + * @addr: endpoint address + * @td: transfer descriptor + * @status: status + */ +void dbg_done(u8 addr, const u32 token, int status) +{ + char msg[DBG_DATA_MSG]; + + scnprintf(msg, sizeof(msg), "%d %02X", + (int)(token & TD_TOTAL_BYTES) >> ffs_nr(TD_TOTAL_BYTES), + (int)(token & TD_STATUS) >> ffs_nr(TD_STATUS)); + dbg_print(addr, "DONE", status, msg); +} + +/** + * dbg_event: prints a generic event + * @addr: endpoint address + * @name: event name + * @status: status + */ +void dbg_event(u8 addr, const char *name, int status) +{ + if (name != NULL) + dbg_print(addr, name, status, ""); +} + +/* + * dbg_queue: prints a QUEUE event + * @addr: endpoint address + * @req: USB request + * @status: status + */ +void dbg_queue(u8 addr, const struct usb_request *req, int status) +{ + char msg[DBG_DATA_MSG]; + + if (req != NULL) { + scnprintf(msg, sizeof(msg), + "%d %d", !req->no_interrupt, req->length); + dbg_print(addr, "QUEUE", status, msg); + } +} + +/** + * dbg_setup: prints a SETUP event + * @addr: endpoint address + * @req: setup request + */ +void dbg_setup(u8 addr, const struct usb_ctrlrequest *req) +{ + char msg[DBG_DATA_MSG]; + + if (req != NULL) { + scnprintf(msg, sizeof(msg), + "%02X %02X %04X %04X %d", req->bRequestType, + req->bRequest, le16_to_cpu(req->wValue), + le16_to_cpu(req->wIndex), le16_to_cpu(req->wLength)); + dbg_print(addr, "SETUP", 0, msg); + } +} + +/** + * show_events: displays the event buffer + * + * Check "device.h" for details + */ +static ssize_t show_events(struct device *dev, struct device_attribute *attr, + char *buf) +{ + unsigned long flags; + unsigned i, j, n = 0; + + if (attr == NULL || buf == NULL) { + dev_err(dev->parent, "[%s] EINVAL\n", __func__); + return 0; + } + + read_lock_irqsave(&dbg_data.lck, flags); + + i = dbg_data.idx; + for (dbg_dec(&i); i != dbg_data.idx; dbg_dec(&i)) { + n += strlen(dbg_data.buf[i]); + if (n >= PAGE_SIZE) { + n -= strlen(dbg_data.buf[i]); + break; + } + } + for (j = 0, dbg_inc(&i); j < n; dbg_inc(&i)) + j += scnprintf(buf + j, PAGE_SIZE - j, + "%s", dbg_data.buf[i]); + + read_unlock_irqrestore(&dbg_data.lck, flags); + + return n; +} + +/** + * store_events: configure if events are going to be also printed to console + * + * Check "device.h" for details + */ +static ssize_t store_events(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + unsigned tty; + + if (attr == NULL || buf == NULL) { + dev_err(dev, "[%s] EINVAL\n", __func__); + goto done; + } + + if (sscanf(buf, "%u", &tty) != 1 || tty > 1) { + dev_err(dev, "<1|0>: enable|disable console log\n"); + goto done; + } + + dbg_data.tty = tty; + dev_info(dev, "tty = %u", dbg_data.tty); + + done: + return count; +} +static DEVICE_ATTR(events, S_IRUSR | S_IWUSR, show_events, store_events); + +/** + * show_inters: interrupt status, enable status and historic + * + * Check "device.h" for details + */ +static ssize_t show_inters(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev); + unsigned long flags; + u32 intr; + unsigned i, j, n = 0; + + if (attr == NULL || buf == NULL) { + dev_err(udc->dev, "[%s] EINVAL\n", __func__); + return 0; + } + + spin_lock_irqsave(&udc->lock, flags); + + /*n += scnprintf(buf + n, PAGE_SIZE - n, + "status = %08x\n", hw_read_intr_status(udc)); + n += scnprintf(buf + n, PAGE_SIZE - n, + "enable = %08x\n", hw_read_intr_enable(udc));*/ + + n += scnprintf(buf + n, PAGE_SIZE - n, "*test = %d\n", + isr_statistics.test); + n += scnprintf(buf + n, PAGE_SIZE - n, "? ui = %d\n", + isr_statistics.ui); + n += scnprintf(buf + n, PAGE_SIZE - n, "? uei = %d\n", + isr_statistics.uei); + n += scnprintf(buf + n, PAGE_SIZE - n, "? pci = %d\n", + isr_statistics.pci); + n += scnprintf(buf + n, PAGE_SIZE - n, "? uri = %d\n", + isr_statistics.uri); + n += scnprintf(buf + n, PAGE_SIZE - n, "? sli = %d\n", + isr_statistics.sli); + n += scnprintf(buf + n, PAGE_SIZE - n, "*none = %d\n", + isr_statistics.none); + n += scnprintf(buf + n, PAGE_SIZE - n, "*hndl = %d\n", + isr_statistics.hndl.cnt); + + for (i = isr_statistics.hndl.idx, j = 0; j <= ISR_MASK; j++, i++) { + i &= ISR_MASK; + intr = isr_statistics.hndl.buf[i]; + + if (USBi_UI & intr) + n += scnprintf(buf + n, PAGE_SIZE - n, "ui "); + intr &= ~USBi_UI; + if (USBi_UEI & intr) + n += scnprintf(buf + n, PAGE_SIZE - n, "uei "); + intr &= ~USBi_UEI; + if (USBi_PCI & intr) + n += scnprintf(buf + n, PAGE_SIZE - n, "pci "); + intr &= ~USBi_PCI; + if (USBi_URI & intr) + n += scnprintf(buf + n, PAGE_SIZE - n, "uri "); + intr &= ~USBi_URI; + if (USBi_SLI & intr) + n += scnprintf(buf + n, PAGE_SIZE - n, "sli "); + intr &= ~USBi_SLI; + if (intr) + n += scnprintf(buf + n, PAGE_SIZE - n, "??? "); + if (isr_statistics.hndl.buf[i]) + n += scnprintf(buf + n, PAGE_SIZE - n, "\n"); + } + + spin_unlock_irqrestore(&udc->lock, flags); + + return n; +} + +/** + * store_inters: enable & force or disable an individual interrutps + * (to be used for test purposes only) + * + * Check "device.h" for details + */ +static ssize_t store_inters(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev); + unsigned long flags; + unsigned en, bit; + + if (attr == NULL || buf == NULL) { + dev_err(udc->dev, "EINVAL\n"); + goto done; + } + + if (sscanf(buf, "%u %u", &en, &bit) != 2 || en > 1) { + dev_err(udc->dev, "<1|0> : enable|disable interrupt\n"); + goto done; + } + + spin_lock_irqsave(&udc->lock, flags); + if (en) { + if (hw_intr_force(udc, bit)) + dev_err(dev, "invalid bit number\n"); + else + isr_statistics.test++; + } else { + if (hw_intr_clear(udc, bit)) + dev_err(dev, "invalid bit number\n"); + } + spin_unlock_irqrestore(&udc->lock, flags); + + done: + return count; +} +static DEVICE_ATTR(inters, S_IRUSR | S_IWUSR, show_inters, store_inters); + +/** + * show_port_test: reads port test mode + * + * Check "device.h" for details + */ +static ssize_t show_port_test(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev); + unsigned long flags; + unsigned mode; + + if (attr == NULL || buf == NULL) { + dev_err(udc->dev, "EINVAL\n"); + return 0; + } + + spin_lock_irqsave(&udc->lock, flags); + mode = hw_port_test_get(udc); + spin_unlock_irqrestore(&udc->lock, flags); + + return scnprintf(buf, PAGE_SIZE, "mode = %u\n", mode); +} + +/** + * store_port_test: writes port test mode + * + * Check "device.h" for details + */ +static ssize_t store_port_test(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev); + unsigned long flags; + unsigned mode; + + if (attr == NULL || buf == NULL) { + dev_err(udc->dev, "[%s] EINVAL\n", __func__); + goto done; + } + + if (sscanf(buf, "%u", &mode) != 1) { + dev_err(udc->dev, ": set port test mode"); + goto done; + } + + spin_lock_irqsave(&udc->lock, flags); + if (hw_port_test_set(udc, mode)) + dev_err(udc->dev, "invalid mode\n"); + spin_unlock_irqrestore(&udc->lock, flags); + + done: + return count; +} +static DEVICE_ATTR(port_test, S_IRUSR | S_IWUSR, + show_port_test, store_port_test); + +/** + * show_qheads: DMA contents of all queue heads + * + * Check "device.h" for details + */ +static ssize_t show_qheads(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev); + unsigned long flags; + unsigned i, j, n = 0; + + if (attr == NULL || buf == NULL) { + dev_err(udc->dev, "[%s] EINVAL\n", __func__); + return 0; + } + + spin_lock_irqsave(&udc->lock, flags); + for (i = 0; i < udc->hw_ep_max/2; i++) { + struct ci13xxx_ep *mEpRx = &udc->ci13xxx_ep[i]; + struct ci13xxx_ep *mEpTx = + &udc->ci13xxx_ep[i + udc->hw_ep_max/2]; + n += scnprintf(buf + n, PAGE_SIZE - n, + "EP=%02i: RX=%08X TX=%08X\n", + i, (u32)mEpRx->qh.dma, (u32)mEpTx->qh.dma); + for (j = 0; j < (sizeof(struct ci13xxx_qh)/sizeof(u32)); j++) { + n += scnprintf(buf + n, PAGE_SIZE - n, + " %04X: %08X %08X\n", j, + *((u32 *)mEpRx->qh.ptr + j), + *((u32 *)mEpTx->qh.ptr + j)); + } + } + spin_unlock_irqrestore(&udc->lock, flags); + + return n; +} +static DEVICE_ATTR(qheads, S_IRUSR, show_qheads, NULL); + +/** + * show_registers: dumps all registers + * + * Check "device.h" for details + */ +#define DUMP_ENTRIES 512 +static ssize_t show_registers(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev); + unsigned long flags; + u32 *dump; + unsigned i, k, n = 0; + + if (attr == NULL || buf == NULL) { + dev_err(udc->dev, "[%s] EINVAL\n", __func__); + return 0; + } + + dump = kmalloc(sizeof(u32) * DUMP_ENTRIES, GFP_KERNEL); + if (!dump) { + dev_err(udc->dev, "%s: out of memory\n", __func__); + return 0; + } + + spin_lock_irqsave(&udc->lock, flags); + k = hw_register_read(udc, dump, DUMP_ENTRIES); + spin_unlock_irqrestore(&udc->lock, flags); + + for (i = 0; i < k; i++) { + n += scnprintf(buf + n, PAGE_SIZE - n, + "reg[0x%04X] = 0x%08X\n", + i * (unsigned)sizeof(u32), dump[i]); + } + kfree(dump); + + return n; +} + +/** + * store_registers: writes value to register address + * + * Check "device.h" for details + */ +static ssize_t store_registers(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev); + unsigned long addr, data, flags; + + if (attr == NULL || buf == NULL) { + dev_err(udc->dev, "[%s] EINVAL\n", __func__); + goto done; + } + + if (sscanf(buf, "%li %li", &addr, &data) != 2) { + dev_err(udc->dev, + " : write data to register address\n"); + goto done; + } + + spin_lock_irqsave(&udc->lock, flags); + if (hw_register_write(udc, addr, data)) + dev_err(udc->dev, "invalid address range\n"); + spin_unlock_irqrestore(&udc->lock, flags); + + done: + return count; +} +static DEVICE_ATTR(registers, S_IRUSR | S_IWUSR, + show_registers, store_registers); + +/** + * show_requests: DMA contents of all requests currently queued (all endpts) + * + * Check "device.h" for details + */ +static ssize_t show_requests(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev); + unsigned long flags; + struct list_head *ptr = NULL; + struct ci13xxx_req *req = NULL; + unsigned i, j, n = 0, qSize = sizeof(struct ci13xxx_td)/sizeof(u32); + + if (attr == NULL || buf == NULL) { + dev_err(udc->dev, "[%s] EINVAL\n", __func__); + return 0; + } + + spin_lock_irqsave(&udc->lock, flags); + for (i = 0; i < udc->hw_ep_max; i++) + list_for_each(ptr, &udc->ci13xxx_ep[i].qh.queue) + { + req = list_entry(ptr, struct ci13xxx_req, queue); + + n += scnprintf(buf + n, PAGE_SIZE - n, + "EP=%02i: TD=%08X %s\n", + i % udc->hw_ep_max/2, (u32)req->dma, + ((i < udc->hw_ep_max/2) ? "RX" : "TX")); + + for (j = 0; j < qSize; j++) + n += scnprintf(buf + n, PAGE_SIZE - n, + " %04X: %08X\n", j, + *((u32 *)req->ptr + j)); + } + spin_unlock_irqrestore(&udc->lock, flags); + + return n; +} +static DEVICE_ATTR(requests, S_IRUSR, show_requests, NULL); + +/** + * dbg_create_files: initializes the attribute interface + * @dev: device + * + * This function returns an error code + */ +int dbg_create_files(struct device *dev) +{ + int retval = 0; + + if (dev == NULL) + return -EINVAL; + retval = device_create_file(dev, &dev_attr_device); + if (retval) + goto done; + retval = device_create_file(dev, &dev_attr_driver); + if (retval) + goto rm_device; + retval = device_create_file(dev, &dev_attr_events); + if (retval) + goto rm_driver; + retval = device_create_file(dev, &dev_attr_inters); + if (retval) + goto rm_events; + retval = device_create_file(dev, &dev_attr_port_test); + if (retval) + goto rm_inters; + retval = device_create_file(dev, &dev_attr_qheads); + if (retval) + goto rm_port_test; + retval = device_create_file(dev, &dev_attr_registers); + if (retval) + goto rm_qheads; + retval = device_create_file(dev, &dev_attr_requests); + if (retval) + goto rm_registers; + return 0; + + rm_registers: + device_remove_file(dev, &dev_attr_registers); + rm_qheads: + device_remove_file(dev, &dev_attr_qheads); + rm_port_test: + device_remove_file(dev, &dev_attr_port_test); + rm_inters: + device_remove_file(dev, &dev_attr_inters); + rm_events: + device_remove_file(dev, &dev_attr_events); + rm_driver: + device_remove_file(dev, &dev_attr_driver); + rm_device: + device_remove_file(dev, &dev_attr_device); + done: + return retval; +} + +/** + * dbg_remove_files: destroys the attribute interface + * @dev: device + * + * This function returns an error code + */ +int dbg_remove_files(struct device *dev) +{ + if (dev == NULL) + return -EINVAL; + device_remove_file(dev, &dev_attr_requests); + device_remove_file(dev, &dev_attr_registers); + device_remove_file(dev, &dev_attr_qheads); + device_remove_file(dev, &dev_attr_port_test); + device_remove_file(dev, &dev_attr_inters); + device_remove_file(dev, &dev_attr_events); + device_remove_file(dev, &dev_attr_driver); + device_remove_file(dev, &dev_attr_device); + return 0; +} diff --git a/drivers/usb/chipidea/debug.h b/drivers/usb/chipidea/debug.h new file mode 100644 index 000000000000..80d96865775c --- /dev/null +++ b/drivers/usb/chipidea/debug.h @@ -0,0 +1,56 @@ +/* + * debug.h - ChipIdea USB driver debug interfaces + * + * Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved. + * + * Author: David Lopo + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __DRIVERS_USB_CHIPIDEA_DEBUG_H +#define __DRIVERS_USB_CHIPIDEA_DEBUG_H + +#ifdef CONFIG_USB_CHIPIDEA_DEBUG +void dbg_interrupt(u32 intmask); +void dbg_done(u8 addr, const u32 token, int status); +void dbg_event(u8 addr, const char *name, int status); +void dbg_queue(u8 addr, const struct usb_request *req, int status); +void dbg_setup(u8 addr, const struct usb_ctrlrequest *req); +int dbg_create_files(struct device *dev); +int dbg_remove_files(struct device *dev); +#else +static inline void dbg_interrupt(u32 intmask) +{ +} + +static inline void dbg_done(u8 addr, const u32 token, int status) +{ +} + +static inline void dbg_event(u8 addr, const char *name, int status) +{ +} + +static inline void dbg_queue(u8 addr, const struct usb_request *req, int status) +{ +} + +static inline void dbg_setup(u8 addr, const struct usb_ctrlrequest *req) +{ +} + +static inline int dbg_create_files(struct device *dev) +{ + return 0; +} + +static inline int dbg_remove_files(struct device *dev) +{ + return 0; +} +#endif + +#endif /* __DRIVERS_USB_CHIPIDEA_DEBUG_H */ diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c new file mode 100644 index 000000000000..6866ef085397 --- /dev/null +++ b/drivers/usb/chipidea/udc.c @@ -0,0 +1,1837 @@ +/* + * udc.h - ChipIdea UDC driver + * + * Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved. + * + * Author: David Lopo + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "ci.h" +#include "udc.h" +#include "bits.h" +#include "debug.h" + +/* control endpoint description */ +static const struct usb_endpoint_descriptor +ctrl_endpt_out_desc = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + + .bEndpointAddress = USB_DIR_OUT, + .bmAttributes = USB_ENDPOINT_XFER_CONTROL, + .wMaxPacketSize = cpu_to_le16(CTRL_PAYLOAD_MAX), +}; + +static const struct usb_endpoint_descriptor +ctrl_endpt_in_desc = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + + .bEndpointAddress = USB_DIR_IN, + .bmAttributes = USB_ENDPOINT_XFER_CONTROL, + .wMaxPacketSize = cpu_to_le16(CTRL_PAYLOAD_MAX), +}; + +/** + * hw_ep_bit: calculates the bit number + * @num: endpoint number + * @dir: endpoint direction + * + * This function returns bit number + */ +static inline int hw_ep_bit(int num, int dir) +{ + return num + (dir ? 16 : 0); +} + +static inline int ep_to_bit(struct ci13xxx *udc, int n) +{ + int fill = 16 - udc->hw_ep_max / 2; + + if (n >= udc->hw_ep_max / 2) + n += fill; + + return n; +} + +/** + * hw_device_state: enables/disables interrupts & starts/stops device (execute + * without interruption) + * @dma: 0 => disable, !0 => enable and set dma engine + * + * This function returns an error code + */ +static int hw_device_state(struct ci13xxx *udc, u32 dma) +{ + if (dma) { + hw_write(udc, OP_ENDPTLISTADDR, ~0, dma); + /* interrupt, error, port change, reset, sleep/suspend */ + hw_write(udc, OP_USBINTR, ~0, + USBi_UI|USBi_UEI|USBi_PCI|USBi_URI|USBi_SLI); + hw_write(udc, OP_USBCMD, USBCMD_RS, USBCMD_RS); + } else { + hw_write(udc, OP_USBCMD, USBCMD_RS, 0); + hw_write(udc, OP_USBINTR, ~0, 0); + } + return 0; +} + +/** + * hw_ep_flush: flush endpoint fifo (execute without interruption) + * @num: endpoint number + * @dir: endpoint direction + * + * This function returns an error code + */ +static int hw_ep_flush(struct ci13xxx *udc, int num, int dir) +{ + int n = hw_ep_bit(num, dir); + + do { + /* flush any pending transfer */ + hw_write(udc, OP_ENDPTFLUSH, BIT(n), BIT(n)); + while (hw_read(udc, OP_ENDPTFLUSH, BIT(n))) + cpu_relax(); + } while (hw_read(udc, OP_ENDPTSTAT, BIT(n))); + + return 0; +} + +/** + * hw_ep_disable: disables endpoint (execute without interruption) + * @num: endpoint number + * @dir: endpoint direction + * + * This function returns an error code + */ +static int hw_ep_disable(struct ci13xxx *udc, int num, int dir) +{ + hw_ep_flush(udc, num, dir); + hw_write(udc, OP_ENDPTCTRL + num, + dir ? ENDPTCTRL_TXE : ENDPTCTRL_RXE, 0); + return 0; +} + +/** + * hw_ep_enable: enables endpoint (execute without interruption) + * @num: endpoint number + * @dir: endpoint direction + * @type: endpoint type + * + * This function returns an error code + */ +static int hw_ep_enable(struct ci13xxx *udc, int num, int dir, int type) +{ + u32 mask, data; + + if (dir) { + mask = ENDPTCTRL_TXT; /* type */ + data = type << ffs_nr(mask); + + mask |= ENDPTCTRL_TXS; /* unstall */ + mask |= ENDPTCTRL_TXR; /* reset data toggle */ + data |= ENDPTCTRL_TXR; + mask |= ENDPTCTRL_TXE; /* enable */ + data |= ENDPTCTRL_TXE; + } else { + mask = ENDPTCTRL_RXT; /* type */ + data = type << ffs_nr(mask); + + mask |= ENDPTCTRL_RXS; /* unstall */ + mask |= ENDPTCTRL_RXR; /* reset data toggle */ + data |= ENDPTCTRL_RXR; + mask |= ENDPTCTRL_RXE; /* enable */ + data |= ENDPTCTRL_RXE; + } + hw_write(udc, OP_ENDPTCTRL + num, mask, data); + return 0; +} + +/** + * hw_ep_get_halt: return endpoint halt status + * @num: endpoint number + * @dir: endpoint direction + * + * This function returns 1 if endpoint halted + */ +static int hw_ep_get_halt(struct ci13xxx *udc, int num, int dir) +{ + u32 mask = dir ? ENDPTCTRL_TXS : ENDPTCTRL_RXS; + + return hw_read(udc, OP_ENDPTCTRL + num, mask) ? 1 : 0; +} + +/** + * hw_test_and_clear_setup_status: test & clear setup status (execute without + * interruption) + * @n: endpoint number + * + * This function returns setup status + */ +static int hw_test_and_clear_setup_status(struct ci13xxx *udc, int n) +{ + n = ep_to_bit(udc, n); + return hw_test_and_clear(udc, OP_ENDPTSETUPSTAT, BIT(n)); +} + +/** + * hw_ep_prime: primes endpoint (execute without interruption) + * @num: endpoint number + * @dir: endpoint direction + * @is_ctrl: true if control endpoint + * + * This function returns an error code + */ +static int hw_ep_prime(struct ci13xxx *udc, int num, int dir, int is_ctrl) +{ + int n = hw_ep_bit(num, dir); + + if (is_ctrl && dir == RX && hw_read(udc, OP_ENDPTSETUPSTAT, BIT(num))) + return -EAGAIN; + + hw_write(udc, OP_ENDPTPRIME, BIT(n), BIT(n)); + + while (hw_read(udc, OP_ENDPTPRIME, BIT(n))) + cpu_relax(); + if (is_ctrl && dir == RX && hw_read(udc, OP_ENDPTSETUPSTAT, BIT(num))) + return -EAGAIN; + + /* status shoult be tested according with manual but it doesn't work */ + return 0; +} + +/** + * hw_ep_set_halt: configures ep halt & resets data toggle after clear (execute + * without interruption) + * @num: endpoint number + * @dir: endpoint direction + * @value: true => stall, false => unstall + * + * This function returns an error code + */ +static int hw_ep_set_halt(struct ci13xxx *udc, int num, int dir, int value) +{ + if (value != 0 && value != 1) + return -EINVAL; + + do { + enum ci13xxx_regs reg = OP_ENDPTCTRL + num; + u32 mask_xs = dir ? ENDPTCTRL_TXS : ENDPTCTRL_RXS; + u32 mask_xr = dir ? ENDPTCTRL_TXR : ENDPTCTRL_RXR; + + /* data toggle - reserved for EP0 but it's in ESS */ + hw_write(udc, reg, mask_xs|mask_xr, + value ? mask_xs : mask_xr); + } while (value != hw_ep_get_halt(udc, num, dir)); + + return 0; +} + +/** + * hw_is_port_high_speed: test if port is high speed + * + * This function returns true if high speed port + */ +static int hw_port_is_high_speed(struct ci13xxx *udc) +{ + return udc->hw_bank.lpm ? hw_read(udc, OP_DEVLC, DEVLC_PSPD) : + hw_read(udc, OP_PORTSC, PORTSC_HSP); +} + +/** + * hw_read_intr_enable: returns interrupt enable register + * + * This function returns register data + */ +static u32 hw_read_intr_enable(struct ci13xxx *udc) +{ + return hw_read(udc, OP_USBINTR, ~0); +} + +/** + * hw_read_intr_status: returns interrupt status register + * + * This function returns register data + */ +static u32 hw_read_intr_status(struct ci13xxx *udc) +{ + return hw_read(udc, OP_USBSTS, ~0); +} + +/** + * hw_test_and_clear_complete: test & clear complete status (execute without + * interruption) + * @n: endpoint number + * + * This function returns complete status + */ +static int hw_test_and_clear_complete(struct ci13xxx *udc, int n) +{ + n = ep_to_bit(udc, n); + return hw_test_and_clear(udc, OP_ENDPTCOMPLETE, BIT(n)); +} + +/** + * hw_test_and_clear_intr_active: test & clear active interrupts (execute + * without interruption) + * + * This function returns active interrutps + */ +static u32 hw_test_and_clear_intr_active(struct ci13xxx *udc) +{ + u32 reg = hw_read_intr_status(udc) & hw_read_intr_enable(udc); + + hw_write(udc, OP_USBSTS, ~0, reg); + return reg; +} + +/** + * hw_test_and_clear_setup_guard: test & clear setup guard (execute without + * interruption) + * + * This function returns guard value + */ +static int hw_test_and_clear_setup_guard(struct ci13xxx *udc) +{ + return hw_test_and_write(udc, OP_USBCMD, USBCMD_SUTW, 0); +} + +/** + * hw_test_and_set_setup_guard: test & set setup guard (execute without + * interruption) + * + * This function returns guard value + */ +static int hw_test_and_set_setup_guard(struct ci13xxx *udc) +{ + return hw_test_and_write(udc, OP_USBCMD, USBCMD_SUTW, USBCMD_SUTW); +} + +/** + * hw_usb_set_address: configures USB address (execute without interruption) + * @value: new USB address + * + * This function explicitly sets the address, without the "USBADRA" (advance) + * feature, which is not supported by older versions of the controller. + */ +static void hw_usb_set_address(struct ci13xxx *udc, u8 value) +{ + hw_write(udc, OP_DEVICEADDR, DEVICEADDR_USBADR, + value << ffs_nr(DEVICEADDR_USBADR)); +} + +/** + * hw_usb_reset: restart device after a bus reset (execute without + * interruption) + * + * This function returns an error code + */ +static int hw_usb_reset(struct ci13xxx *udc) +{ + hw_usb_set_address(udc, 0); + + /* ESS flushes only at end?!? */ + hw_write(udc, OP_ENDPTFLUSH, ~0, ~0); + + /* clear setup token semaphores */ + hw_write(udc, OP_ENDPTSETUPSTAT, 0, 0); + + /* clear complete status */ + hw_write(udc, OP_ENDPTCOMPLETE, 0, 0); + + /* wait until all bits cleared */ + while (hw_read(udc, OP_ENDPTPRIME, ~0)) + udelay(10); /* not RTOS friendly */ + + /* reset all endpoints ? */ + + /* reset internal status and wait for further instructions + no need to verify the port reset status (ESS does it) */ + + return 0; +} + +/****************************************************************************** + * UTIL block + *****************************************************************************/ +/** + * _usb_addr: calculates endpoint address from direction & number + * @ep: endpoint + */ +static inline u8 _usb_addr(struct ci13xxx_ep *ep) +{ + return ((ep->dir == TX) ? USB_ENDPOINT_DIR_MASK : 0) | ep->num; +} + +/** + * _hardware_queue: configures a request at hardware level + * @gadget: gadget + * @mEp: endpoint + * + * This function returns an error code + */ +static int _hardware_enqueue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq) +{ + struct ci13xxx *udc = mEp->udc; + unsigned i; + int ret = 0; + unsigned length = mReq->req.length; + + /* don't queue twice */ + if (mReq->req.status == -EALREADY) + return -EALREADY; + + mReq->req.status = -EALREADY; + if (length && mReq->req.dma == DMA_ADDR_INVALID) { + mReq->req.dma = \ + dma_map_single(mEp->device, mReq->req.buf, + length, mEp->dir ? DMA_TO_DEVICE : + DMA_FROM_DEVICE); + if (mReq->req.dma == 0) + return -ENOMEM; + + mReq->map = 1; + } + + if (mReq->req.zero && length && (length % mEp->ep.maxpacket == 0)) { + mReq->zptr = dma_pool_alloc(mEp->td_pool, GFP_ATOMIC, + &mReq->zdma); + if (mReq->zptr == NULL) { + if (mReq->map) { + dma_unmap_single(mEp->device, mReq->req.dma, + length, mEp->dir ? DMA_TO_DEVICE : + DMA_FROM_DEVICE); + mReq->req.dma = DMA_ADDR_INVALID; + mReq->map = 0; + } + return -ENOMEM; + } + memset(mReq->zptr, 0, sizeof(*mReq->zptr)); + mReq->zptr->next = TD_TERMINATE; + mReq->zptr->token = TD_STATUS_ACTIVE; + if (!mReq->req.no_interrupt) + mReq->zptr->token |= TD_IOC; + } + /* + * TD configuration + * TODO - handle requests which spawns into several TDs + */ + memset(mReq->ptr, 0, sizeof(*mReq->ptr)); + mReq->ptr->token = length << ffs_nr(TD_TOTAL_BYTES); + mReq->ptr->token &= TD_TOTAL_BYTES; + mReq->ptr->token |= TD_STATUS_ACTIVE; + if (mReq->zptr) { + mReq->ptr->next = mReq->zdma; + } else { + mReq->ptr->next = TD_TERMINATE; + if (!mReq->req.no_interrupt) + mReq->ptr->token |= TD_IOC; + } + mReq->ptr->page[0] = mReq->req.dma; + for (i = 1; i < 5; i++) + mReq->ptr->page[i] = + (mReq->req.dma + i * CI13XXX_PAGE_SIZE) & ~TD_RESERVED_MASK; + + if (!list_empty(&mEp->qh.queue)) { + struct ci13xxx_req *mReqPrev; + int n = hw_ep_bit(mEp->num, mEp->dir); + int tmp_stat; + + mReqPrev = list_entry(mEp->qh.queue.prev, + struct ci13xxx_req, queue); + if (mReqPrev->zptr) + mReqPrev->zptr->next = mReq->dma & TD_ADDR_MASK; + else + mReqPrev->ptr->next = mReq->dma & TD_ADDR_MASK; + wmb(); + if (hw_read(udc, OP_ENDPTPRIME, BIT(n))) + goto done; + do { + hw_write(udc, OP_USBCMD, USBCMD_ATDTW, USBCMD_ATDTW); + tmp_stat = hw_read(udc, OP_ENDPTSTAT, BIT(n)); + } while (!hw_read(udc, OP_USBCMD, USBCMD_ATDTW)); + hw_write(udc, OP_USBCMD, USBCMD_ATDTW, 0); + if (tmp_stat) + goto done; + } + + /* QH configuration */ + mEp->qh.ptr->td.next = mReq->dma; /* TERMINATE = 0 */ + mEp->qh.ptr->td.token &= ~TD_STATUS; /* clear status */ + mEp->qh.ptr->cap |= QH_ZLT; + + wmb(); /* synchronize before ep prime */ + + ret = hw_ep_prime(udc, mEp->num, mEp->dir, + mEp->type == USB_ENDPOINT_XFER_CONTROL); +done: + return ret; +} + +/** + * _hardware_dequeue: handles a request at hardware level + * @gadget: gadget + * @mEp: endpoint + * + * This function returns an error code + */ +static int _hardware_dequeue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq) +{ + if (mReq->req.status != -EALREADY) + return -EINVAL; + + if ((TD_STATUS_ACTIVE & mReq->ptr->token) != 0) + return -EBUSY; + + if (mReq->zptr) { + if ((TD_STATUS_ACTIVE & mReq->zptr->token) != 0) + return -EBUSY; + dma_pool_free(mEp->td_pool, mReq->zptr, mReq->zdma); + mReq->zptr = NULL; + } + + mReq->req.status = 0; + + if (mReq->map) { + dma_unmap_single(mEp->device, mReq->req.dma, mReq->req.length, + mEp->dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE); + mReq->req.dma = DMA_ADDR_INVALID; + mReq->map = 0; + } + + mReq->req.status = mReq->ptr->token & TD_STATUS; + if ((TD_STATUS_HALTED & mReq->req.status) != 0) + mReq->req.status = -1; + else if ((TD_STATUS_DT_ERR & mReq->req.status) != 0) + mReq->req.status = -1; + else if ((TD_STATUS_TR_ERR & mReq->req.status) != 0) + mReq->req.status = -1; + + mReq->req.actual = mReq->ptr->token & TD_TOTAL_BYTES; + mReq->req.actual >>= ffs_nr(TD_TOTAL_BYTES); + mReq->req.actual = mReq->req.length - mReq->req.actual; + mReq->req.actual = mReq->req.status ? 0 : mReq->req.actual; + + return mReq->req.actual; +} + +/** + * _ep_nuke: dequeues all endpoint requests + * @mEp: endpoint + * + * This function returns an error code + * Caller must hold lock + */ +static int _ep_nuke(struct ci13xxx_ep *mEp) +__releases(mEp->lock) +__acquires(mEp->lock) +{ + if (mEp == NULL) + return -EINVAL; + + hw_ep_flush(mEp->udc, mEp->num, mEp->dir); + + while (!list_empty(&mEp->qh.queue)) { + + /* pop oldest request */ + struct ci13xxx_req *mReq = \ + list_entry(mEp->qh.queue.next, + struct ci13xxx_req, queue); + list_del_init(&mReq->queue); + mReq->req.status = -ESHUTDOWN; + + if (mReq->req.complete != NULL) { + spin_unlock(mEp->lock); + mReq->req.complete(&mEp->ep, &mReq->req); + spin_lock(mEp->lock); + } + } + return 0; +} + +/** + * _gadget_stop_activity: stops all USB activity, flushes & disables all endpts + * @gadget: gadget + * + * This function returns an error code + */ +static int _gadget_stop_activity(struct usb_gadget *gadget) +{ + struct usb_ep *ep; + struct ci13xxx *udc = container_of(gadget, struct ci13xxx, gadget); + unsigned long flags; + + if (gadget == NULL) + return -EINVAL; + + spin_lock_irqsave(&udc->lock, flags); + udc->gadget.speed = USB_SPEED_UNKNOWN; + udc->remote_wakeup = 0; + udc->suspended = 0; + spin_unlock_irqrestore(&udc->lock, flags); + + /* flush all endpoints */ + gadget_for_each_ep(ep, gadget) { + usb_ep_fifo_flush(ep); + } + usb_ep_fifo_flush(&udc->ep0out->ep); + usb_ep_fifo_flush(&udc->ep0in->ep); + + if (udc->driver) + udc->driver->disconnect(gadget); + + /* make sure to disable all endpoints */ + gadget_for_each_ep(ep, gadget) { + usb_ep_disable(ep); + } + + if (udc->status != NULL) { + usb_ep_free_request(&udc->ep0in->ep, udc->status); + udc->status = NULL; + } + + return 0; +} + +/****************************************************************************** + * ISR block + *****************************************************************************/ +/** + * isr_reset_handler: USB reset interrupt handler + * @udc: UDC device + * + * This function resets USB engine after a bus reset occurred + */ +static void isr_reset_handler(struct ci13xxx *udc) +__releases(udc->lock) +__acquires(udc->lock) +{ + int retval; + + dbg_event(0xFF, "BUS RST", 0); + + spin_unlock(&udc->lock); + retval = _gadget_stop_activity(&udc->gadget); + if (retval) + goto done; + + retval = hw_usb_reset(udc); + if (retval) + goto done; + + udc->status = usb_ep_alloc_request(&udc->ep0in->ep, GFP_ATOMIC); + if (udc->status == NULL) + retval = -ENOMEM; + + spin_lock(&udc->lock); + + done: + if (retval) + dev_err(udc->dev, "error: %i\n", retval); +} + +/** + * isr_get_status_complete: get_status request complete function + * @ep: endpoint + * @req: request handled + * + * Caller must release lock + */ +static void isr_get_status_complete(struct usb_ep *ep, struct usb_request *req) +{ + if (ep == NULL || req == NULL) + return; + + kfree(req->buf); + usb_ep_free_request(ep, req); +} + +/** + * isr_get_status_response: get_status request response + * @udc: udc struct + * @setup: setup request packet + * + * This function returns an error code + */ +static int isr_get_status_response(struct ci13xxx *udc, + struct usb_ctrlrequest *setup) +__releases(mEp->lock) +__acquires(mEp->lock) +{ + struct ci13xxx_ep *mEp = udc->ep0in; + struct usb_request *req = NULL; + gfp_t gfp_flags = GFP_ATOMIC; + int dir, num, retval; + + if (mEp == NULL || setup == NULL) + return -EINVAL; + + spin_unlock(mEp->lock); + req = usb_ep_alloc_request(&mEp->ep, gfp_flags); + spin_lock(mEp->lock); + if (req == NULL) + return -ENOMEM; + + req->complete = isr_get_status_complete; + req->length = 2; + req->buf = kzalloc(req->length, gfp_flags); + if (req->buf == NULL) { + retval = -ENOMEM; + goto err_free_req; + } + + if ((setup->bRequestType & USB_RECIP_MASK) == USB_RECIP_DEVICE) { + /* Assume that device is bus powered for now. */ + *(u16 *)req->buf = udc->remote_wakeup << 1; + retval = 0; + } else if ((setup->bRequestType & USB_RECIP_MASK) \ + == USB_RECIP_ENDPOINT) { + dir = (le16_to_cpu(setup->wIndex) & USB_ENDPOINT_DIR_MASK) ? + TX : RX; + num = le16_to_cpu(setup->wIndex) & USB_ENDPOINT_NUMBER_MASK; + *(u16 *)req->buf = hw_ep_get_halt(udc, num, dir); + } + /* else do nothing; reserved for future use */ + + spin_unlock(mEp->lock); + retval = usb_ep_queue(&mEp->ep, req, gfp_flags); + spin_lock(mEp->lock); + if (retval) + goto err_free_buf; + + return 0; + + err_free_buf: + kfree(req->buf); + err_free_req: + spin_unlock(mEp->lock); + usb_ep_free_request(&mEp->ep, req); + spin_lock(mEp->lock); + return retval; +} + +/** + * isr_setup_status_complete: setup_status request complete function + * @ep: endpoint + * @req: request handled + * + * Caller must release lock. Put the port in test mode if test mode + * feature is selected. + */ +static void +isr_setup_status_complete(struct usb_ep *ep, struct usb_request *req) +{ + struct ci13xxx *udc = req->context; + unsigned long flags; + + if (udc->setaddr) { + hw_usb_set_address(udc, udc->address); + udc->setaddr = false; + } + + spin_lock_irqsave(&udc->lock, flags); + if (udc->test_mode) + hw_port_test_set(udc, udc->test_mode); + spin_unlock_irqrestore(&udc->lock, flags); +} + +/** + * isr_setup_status_phase: queues the status phase of a setup transation + * @udc: udc struct + * + * This function returns an error code + */ +static int isr_setup_status_phase(struct ci13xxx *udc) +__releases(mEp->lock) +__acquires(mEp->lock) +{ + int retval; + struct ci13xxx_ep *mEp; + + mEp = (udc->ep0_dir == TX) ? udc->ep0out : udc->ep0in; + udc->status->context = udc; + udc->status->complete = isr_setup_status_complete; + + spin_unlock(mEp->lock); + retval = usb_ep_queue(&mEp->ep, udc->status, GFP_ATOMIC); + spin_lock(mEp->lock); + + return retval; +} + +/** + * isr_tr_complete_low: transaction complete low level handler + * @mEp: endpoint + * + * This function returns an error code + * Caller must hold lock + */ +static int isr_tr_complete_low(struct ci13xxx_ep *mEp) +__releases(mEp->lock) +__acquires(mEp->lock) +{ + struct ci13xxx_req *mReq, *mReqTemp; + struct ci13xxx_ep *mEpTemp = mEp; + int uninitialized_var(retval); + + if (list_empty(&mEp->qh.queue)) + return -EINVAL; + + list_for_each_entry_safe(mReq, mReqTemp, &mEp->qh.queue, + queue) { + retval = _hardware_dequeue(mEp, mReq); + if (retval < 0) + break; + list_del_init(&mReq->queue); + dbg_done(_usb_addr(mEp), mReq->ptr->token, retval); + if (mReq->req.complete != NULL) { + spin_unlock(mEp->lock); + if ((mEp->type == USB_ENDPOINT_XFER_CONTROL) && + mReq->req.length) + mEpTemp = mEp->udc->ep0in; + mReq->req.complete(&mEpTemp->ep, &mReq->req); + spin_lock(mEp->lock); + } + } + + if (retval == -EBUSY) + retval = 0; + if (retval < 0) + dbg_event(_usb_addr(mEp), "DONE", retval); + + return retval; +} + +/** + * isr_tr_complete_handler: transaction complete interrupt handler + * @udc: UDC descriptor + * + * This function handles traffic events + */ +static void isr_tr_complete_handler(struct ci13xxx *udc) +__releases(udc->lock) +__acquires(udc->lock) +{ + unsigned i; + u8 tmode = 0; + + for (i = 0; i < udc->hw_ep_max; i++) { + struct ci13xxx_ep *mEp = &udc->ci13xxx_ep[i]; + int type, num, dir, err = -EINVAL; + struct usb_ctrlrequest req; + + if (mEp->ep.desc == NULL) + continue; /* not configured */ + + if (hw_test_and_clear_complete(udc, i)) { + err = isr_tr_complete_low(mEp); + if (mEp->type == USB_ENDPOINT_XFER_CONTROL) { + if (err > 0) /* needs status phase */ + err = isr_setup_status_phase(udc); + if (err < 0) { + dbg_event(_usb_addr(mEp), + "ERROR", err); + spin_unlock(&udc->lock); + if (usb_ep_set_halt(&mEp->ep)) + dev_err(udc->dev, + "error: ep_set_halt\n"); + spin_lock(&udc->lock); + } + } + } + + if (mEp->type != USB_ENDPOINT_XFER_CONTROL || + !hw_test_and_clear_setup_status(udc, i)) + continue; + + if (i != 0) { + dev_warn(udc->dev, "ctrl traffic at endpoint %d\n", i); + continue; + } + + /* + * Flush data and handshake transactions of previous + * setup packet. + */ + _ep_nuke(udc->ep0out); + _ep_nuke(udc->ep0in); + + /* read_setup_packet */ + do { + hw_test_and_set_setup_guard(udc); + memcpy(&req, &mEp->qh.ptr->setup, sizeof(req)); + } while (!hw_test_and_clear_setup_guard(udc)); + + type = req.bRequestType; + + udc->ep0_dir = (type & USB_DIR_IN) ? TX : RX; + + dbg_setup(_usb_addr(mEp), &req); + + switch (req.bRequest) { + case USB_REQ_CLEAR_FEATURE: + if (type == (USB_DIR_OUT|USB_RECIP_ENDPOINT) && + le16_to_cpu(req.wValue) == + USB_ENDPOINT_HALT) { + if (req.wLength != 0) + break; + num = le16_to_cpu(req.wIndex); + dir = num & USB_ENDPOINT_DIR_MASK; + num &= USB_ENDPOINT_NUMBER_MASK; + if (dir) /* TX */ + num += udc->hw_ep_max/2; + if (!udc->ci13xxx_ep[num].wedge) { + spin_unlock(&udc->lock); + err = usb_ep_clear_halt( + &udc->ci13xxx_ep[num].ep); + spin_lock(&udc->lock); + if (err) + break; + } + err = isr_setup_status_phase(udc); + } else if (type == (USB_DIR_OUT|USB_RECIP_DEVICE) && + le16_to_cpu(req.wValue) == + USB_DEVICE_REMOTE_WAKEUP) { + if (req.wLength != 0) + break; + udc->remote_wakeup = 0; + err = isr_setup_status_phase(udc); + } else { + goto delegate; + } + break; + case USB_REQ_GET_STATUS: + if (type != (USB_DIR_IN|USB_RECIP_DEVICE) && + type != (USB_DIR_IN|USB_RECIP_ENDPOINT) && + type != (USB_DIR_IN|USB_RECIP_INTERFACE)) + goto delegate; + if (le16_to_cpu(req.wLength) != 2 || + le16_to_cpu(req.wValue) != 0) + break; + err = isr_get_status_response(udc, &req); + break; + case USB_REQ_SET_ADDRESS: + if (type != (USB_DIR_OUT|USB_RECIP_DEVICE)) + goto delegate; + if (le16_to_cpu(req.wLength) != 0 || + le16_to_cpu(req.wIndex) != 0) + break; + udc->address = (u8)le16_to_cpu(req.wValue); + udc->setaddr = true; + err = isr_setup_status_phase(udc); + break; + case USB_REQ_SET_FEATURE: + if (type == (USB_DIR_OUT|USB_RECIP_ENDPOINT) && + le16_to_cpu(req.wValue) == + USB_ENDPOINT_HALT) { + if (req.wLength != 0) + break; + num = le16_to_cpu(req.wIndex); + dir = num & USB_ENDPOINT_DIR_MASK; + num &= USB_ENDPOINT_NUMBER_MASK; + if (dir) /* TX */ + num += udc->hw_ep_max/2; + + spin_unlock(&udc->lock); + err = usb_ep_set_halt(&udc->ci13xxx_ep[num].ep); + spin_lock(&udc->lock); + if (!err) + isr_setup_status_phase(udc); + } else if (type == (USB_DIR_OUT|USB_RECIP_DEVICE)) { + if (req.wLength != 0) + break; + switch (le16_to_cpu(req.wValue)) { + case USB_DEVICE_REMOTE_WAKEUP: + udc->remote_wakeup = 1; + err = isr_setup_status_phase(udc); + break; + case USB_DEVICE_TEST_MODE: + tmode = le16_to_cpu(req.wIndex) >> 8; + switch (tmode) { + case TEST_J: + case TEST_K: + case TEST_SE0_NAK: + case TEST_PACKET: + case TEST_FORCE_EN: + udc->test_mode = tmode; + err = isr_setup_status_phase( + udc); + break; + default: + break; + } + default: + goto delegate; + } + } else { + goto delegate; + } + break; + default: +delegate: + if (req.wLength == 0) /* no data phase */ + udc->ep0_dir = TX; + + spin_unlock(&udc->lock); + err = udc->driver->setup(&udc->gadget, &req); + spin_lock(&udc->lock); + break; + } + + if (err < 0) { + dbg_event(_usb_addr(mEp), "ERROR", err); + + spin_unlock(&udc->lock); + if (usb_ep_set_halt(&mEp->ep)) + dev_err(udc->dev, "error: ep_set_halt\n"); + spin_lock(&udc->lock); + } + } +} + +/****************************************************************************** + * ENDPT block + *****************************************************************************/ +/** + * ep_enable: configure endpoint, making it usable + * + * Check usb_ep_enable() at "usb_gadget.h" for details + */ +static int ep_enable(struct usb_ep *ep, + const struct usb_endpoint_descriptor *desc) +{ + struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep); + int retval = 0; + unsigned long flags; + + if (ep == NULL || desc == NULL) + return -EINVAL; + + spin_lock_irqsave(mEp->lock, flags); + + /* only internal SW should enable ctrl endpts */ + + mEp->ep.desc = desc; + + if (!list_empty(&mEp->qh.queue)) + dev_warn(mEp->udc->dev, "enabling a non-empty endpoint!\n"); + + mEp->dir = usb_endpoint_dir_in(desc) ? TX : RX; + mEp->num = usb_endpoint_num(desc); + mEp->type = usb_endpoint_type(desc); + + mEp->ep.maxpacket = usb_endpoint_maxp(desc); + + dbg_event(_usb_addr(mEp), "ENABLE", 0); + + mEp->qh.ptr->cap = 0; + + if (mEp->type == USB_ENDPOINT_XFER_CONTROL) + mEp->qh.ptr->cap |= QH_IOS; + else if (mEp->type == USB_ENDPOINT_XFER_ISOC) + mEp->qh.ptr->cap &= ~QH_MULT; + else + mEp->qh.ptr->cap &= ~QH_ZLT; + + mEp->qh.ptr->cap |= + (mEp->ep.maxpacket << ffs_nr(QH_MAX_PKT)) & QH_MAX_PKT; + mEp->qh.ptr->td.next |= TD_TERMINATE; /* needed? */ + + /* + * Enable endpoints in the HW other than ep0 as ep0 + * is always enabled + */ + if (mEp->num) + retval |= hw_ep_enable(mEp->udc, mEp->num, mEp->dir, mEp->type); + + spin_unlock_irqrestore(mEp->lock, flags); + return retval; +} + +/** + * ep_disable: endpoint is no longer usable + * + * Check usb_ep_disable() at "usb_gadget.h" for details + */ +static int ep_disable(struct usb_ep *ep) +{ + struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep); + int direction, retval = 0; + unsigned long flags; + + if (ep == NULL) + return -EINVAL; + else if (mEp->ep.desc == NULL) + return -EBUSY; + + spin_lock_irqsave(mEp->lock, flags); + + /* only internal SW should disable ctrl endpts */ + + direction = mEp->dir; + do { + dbg_event(_usb_addr(mEp), "DISABLE", 0); + + retval |= _ep_nuke(mEp); + retval |= hw_ep_disable(mEp->udc, mEp->num, mEp->dir); + + if (mEp->type == USB_ENDPOINT_XFER_CONTROL) + mEp->dir = (mEp->dir == TX) ? RX : TX; + + } while (mEp->dir != direction); + + mEp->ep.desc = NULL; + + spin_unlock_irqrestore(mEp->lock, flags); + return retval; +} + +/** + * ep_alloc_request: allocate a request object to use with this endpoint + * + * Check usb_ep_alloc_request() at "usb_gadget.h" for details + */ +static struct usb_request *ep_alloc_request(struct usb_ep *ep, gfp_t gfp_flags) +{ + struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep); + struct ci13xxx_req *mReq = NULL; + + if (ep == NULL) + return NULL; + + mReq = kzalloc(sizeof(struct ci13xxx_req), gfp_flags); + if (mReq != NULL) { + INIT_LIST_HEAD(&mReq->queue); + mReq->req.dma = DMA_ADDR_INVALID; + + mReq->ptr = dma_pool_alloc(mEp->td_pool, gfp_flags, + &mReq->dma); + if (mReq->ptr == NULL) { + kfree(mReq); + mReq = NULL; + } + } + + dbg_event(_usb_addr(mEp), "ALLOC", mReq == NULL); + + return (mReq == NULL) ? NULL : &mReq->req; +} + +/** + * ep_free_request: frees a request object + * + * Check usb_ep_free_request() at "usb_gadget.h" for details + */ +static void ep_free_request(struct usb_ep *ep, struct usb_request *req) +{ + struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep); + struct ci13xxx_req *mReq = container_of(req, struct ci13xxx_req, req); + unsigned long flags; + + if (ep == NULL || req == NULL) { + return; + } else if (!list_empty(&mReq->queue)) { + dev_err(mEp->udc->dev, "freeing queued request\n"); + return; + } + + spin_lock_irqsave(mEp->lock, flags); + + if (mReq->ptr) + dma_pool_free(mEp->td_pool, mReq->ptr, mReq->dma); + kfree(mReq); + + dbg_event(_usb_addr(mEp), "FREE", 0); + + spin_unlock_irqrestore(mEp->lock, flags); +} + +/** + * ep_queue: queues (submits) an I/O request to an endpoint + * + * Check usb_ep_queue()* at usb_gadget.h" for details + */ +static int ep_queue(struct usb_ep *ep, struct usb_request *req, + gfp_t __maybe_unused gfp_flags) +{ + struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep); + struct ci13xxx_req *mReq = container_of(req, struct ci13xxx_req, req); + struct ci13xxx *udc = mEp->udc; + int retval = 0; + unsigned long flags; + + if (ep == NULL || req == NULL || mEp->ep.desc == NULL) + return -EINVAL; + + spin_lock_irqsave(mEp->lock, flags); + + if (mEp->type == USB_ENDPOINT_XFER_CONTROL) { + if (req->length) + mEp = (udc->ep0_dir == RX) ? + udc->ep0out : udc->ep0in; + if (!list_empty(&mEp->qh.queue)) { + _ep_nuke(mEp); + retval = -EOVERFLOW; + dev_warn(mEp->udc->dev, "endpoint ctrl %X nuked\n", + _usb_addr(mEp)); + } + } + + /* first nuke then test link, e.g. previous status has not sent */ + if (!list_empty(&mReq->queue)) { + retval = -EBUSY; + dev_err(mEp->udc->dev, "request already in queue\n"); + goto done; + } + + if (req->length > 4 * CI13XXX_PAGE_SIZE) { + req->length = 4 * CI13XXX_PAGE_SIZE; + retval = -EMSGSIZE; + dev_warn(mEp->udc->dev, "request length truncated\n"); + } + + dbg_queue(_usb_addr(mEp), req, retval); + + /* push request */ + mReq->req.status = -EINPROGRESS; + mReq->req.actual = 0; + + retval = _hardware_enqueue(mEp, mReq); + + if (retval == -EALREADY) { + dbg_event(_usb_addr(mEp), "QUEUE", retval); + retval = 0; + } + if (!retval) + list_add_tail(&mReq->queue, &mEp->qh.queue); + + done: + spin_unlock_irqrestore(mEp->lock, flags); + return retval; +} + +/** + * ep_dequeue: dequeues (cancels, unlinks) an I/O request from an endpoint + * + * Check usb_ep_dequeue() at "usb_gadget.h" for details + */ +static int ep_dequeue(struct usb_ep *ep, struct usb_request *req) +{ + struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep); + struct ci13xxx_req *mReq = container_of(req, struct ci13xxx_req, req); + unsigned long flags; + + if (ep == NULL || req == NULL || mReq->req.status != -EALREADY || + mEp->ep.desc == NULL || list_empty(&mReq->queue) || + list_empty(&mEp->qh.queue)) + return -EINVAL; + + spin_lock_irqsave(mEp->lock, flags); + + dbg_event(_usb_addr(mEp), "DEQUEUE", 0); + + hw_ep_flush(mEp->udc, mEp->num, mEp->dir); + + /* pop request */ + list_del_init(&mReq->queue); + if (mReq->map) { + dma_unmap_single(mEp->device, mReq->req.dma, mReq->req.length, + mEp->dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE); + mReq->req.dma = DMA_ADDR_INVALID; + mReq->map = 0; + } + req->status = -ECONNRESET; + + if (mReq->req.complete != NULL) { + spin_unlock(mEp->lock); + mReq->req.complete(&mEp->ep, &mReq->req); + spin_lock(mEp->lock); + } + + spin_unlock_irqrestore(mEp->lock, flags); + return 0; +} + +/** + * ep_set_halt: sets the endpoint halt feature + * + * Check usb_ep_set_halt() at "usb_gadget.h" for details + */ +static int ep_set_halt(struct usb_ep *ep, int value) +{ + struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep); + int direction, retval = 0; + unsigned long flags; + + if (ep == NULL || mEp->ep.desc == NULL) + return -EINVAL; + + spin_lock_irqsave(mEp->lock, flags); + +#ifndef STALL_IN + /* g_file_storage MS compliant but g_zero fails chapter 9 compliance */ + if (value && mEp->type == USB_ENDPOINT_XFER_BULK && mEp->dir == TX && + !list_empty(&mEp->qh.queue)) { + spin_unlock_irqrestore(mEp->lock, flags); + return -EAGAIN; + } +#endif + + direction = mEp->dir; + do { + dbg_event(_usb_addr(mEp), "HALT", value); + retval |= hw_ep_set_halt(mEp->udc, mEp->num, mEp->dir, value); + + if (!value) + mEp->wedge = 0; + + if (mEp->type == USB_ENDPOINT_XFER_CONTROL) + mEp->dir = (mEp->dir == TX) ? RX : TX; + + } while (mEp->dir != direction); + + spin_unlock_irqrestore(mEp->lock, flags); + return retval; +} + +/** + * ep_set_wedge: sets the halt feature and ignores clear requests + * + * Check usb_ep_set_wedge() at "usb_gadget.h" for details + */ +static int ep_set_wedge(struct usb_ep *ep) +{ + struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep); + unsigned long flags; + + if (ep == NULL || mEp->ep.desc == NULL) + return -EINVAL; + + spin_lock_irqsave(mEp->lock, flags); + + dbg_event(_usb_addr(mEp), "WEDGE", 0); + mEp->wedge = 1; + + spin_unlock_irqrestore(mEp->lock, flags); + + return usb_ep_set_halt(ep); +} + +/** + * ep_fifo_flush: flushes contents of a fifo + * + * Check usb_ep_fifo_flush() at "usb_gadget.h" for details + */ +static void ep_fifo_flush(struct usb_ep *ep) +{ + struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep); + unsigned long flags; + + if (ep == NULL) { + dev_err(mEp->udc->dev, "%02X: -EINVAL\n", _usb_addr(mEp)); + return; + } + + spin_lock_irqsave(mEp->lock, flags); + + dbg_event(_usb_addr(mEp), "FFLUSH", 0); + hw_ep_flush(mEp->udc, mEp->num, mEp->dir); + + spin_unlock_irqrestore(mEp->lock, flags); +} + +/** + * Endpoint-specific part of the API to the USB controller hardware + * Check "usb_gadget.h" for details + */ +static const struct usb_ep_ops usb_ep_ops = { + .enable = ep_enable, + .disable = ep_disable, + .alloc_request = ep_alloc_request, + .free_request = ep_free_request, + .queue = ep_queue, + .dequeue = ep_dequeue, + .set_halt = ep_set_halt, + .set_wedge = ep_set_wedge, + .fifo_flush = ep_fifo_flush, +}; + +/****************************************************************************** + * GADGET block + *****************************************************************************/ +static int ci13xxx_vbus_session(struct usb_gadget *_gadget, int is_active) +{ + struct ci13xxx *udc = container_of(_gadget, struct ci13xxx, gadget); + unsigned long flags; + int gadget_ready = 0; + + if (!(udc->udc_driver->flags & CI13XXX_PULLUP_ON_VBUS)) + return -EOPNOTSUPP; + + spin_lock_irqsave(&udc->lock, flags); + udc->vbus_active = is_active; + if (udc->driver) + gadget_ready = 1; + spin_unlock_irqrestore(&udc->lock, flags); + + if (gadget_ready) { + if (is_active) { + pm_runtime_get_sync(&_gadget->dev); + hw_device_reset(udc); + hw_device_state(udc, udc->ep0out->qh.dma); + } else { + hw_device_state(udc, 0); + if (udc->udc_driver->notify_event) + udc->udc_driver->notify_event(udc, + CI13XXX_CONTROLLER_STOPPED_EVENT); + _gadget_stop_activity(&udc->gadget); + pm_runtime_put_sync(&_gadget->dev); + } + } + + return 0; +} + +static int ci13xxx_wakeup(struct usb_gadget *_gadget) +{ + struct ci13xxx *udc = container_of(_gadget, struct ci13xxx, gadget); + unsigned long flags; + int ret = 0; + + spin_lock_irqsave(&udc->lock, flags); + if (!udc->remote_wakeup) { + ret = -EOPNOTSUPP; + goto out; + } + if (!hw_read(udc, OP_PORTSC, PORTSC_SUSP)) { + ret = -EINVAL; + goto out; + } + hw_write(udc, OP_PORTSC, PORTSC_FPR, PORTSC_FPR); +out: + spin_unlock_irqrestore(&udc->lock, flags); + return ret; +} + +static int ci13xxx_vbus_draw(struct usb_gadget *_gadget, unsigned mA) +{ + struct ci13xxx *udc = container_of(_gadget, struct ci13xxx, gadget); + + if (udc->transceiver) + return usb_phy_set_power(udc->transceiver, mA); + return -ENOTSUPP; +} + +static int ci13xxx_start(struct usb_gadget *gadget, + struct usb_gadget_driver *driver); +static int ci13xxx_stop(struct usb_gadget *gadget, + struct usb_gadget_driver *driver); +/** + * Device operations part of the API to the USB controller hardware, + * which don't involve endpoints (or i/o) + * Check "usb_gadget.h" for details + */ +static const struct usb_gadget_ops usb_gadget_ops = { + .vbus_session = ci13xxx_vbus_session, + .wakeup = ci13xxx_wakeup, + .vbus_draw = ci13xxx_vbus_draw, + .udc_start = ci13xxx_start, + .udc_stop = ci13xxx_stop, +}; + +static int init_eps(struct ci13xxx *udc) +{ + int retval = 0, i, j; + + for (i = 0; i < udc->hw_ep_max/2; i++) + for (j = RX; j <= TX; j++) { + int k = i + j * udc->hw_ep_max/2; + struct ci13xxx_ep *mEp = &udc->ci13xxx_ep[k]; + + scnprintf(mEp->name, sizeof(mEp->name), "ep%i%s", i, + (j == TX) ? "in" : "out"); + + mEp->udc = udc; + mEp->lock = &udc->lock; + mEp->device = &udc->gadget.dev; + mEp->td_pool = udc->td_pool; + + mEp->ep.name = mEp->name; + mEp->ep.ops = &usb_ep_ops; + mEp->ep.maxpacket = CTRL_PAYLOAD_MAX; + + INIT_LIST_HEAD(&mEp->qh.queue); + mEp->qh.ptr = dma_pool_alloc(udc->qh_pool, GFP_KERNEL, + &mEp->qh.dma); + if (mEp->qh.ptr == NULL) + retval = -ENOMEM; + else + memset(mEp->qh.ptr, 0, sizeof(*mEp->qh.ptr)); + + /* + * set up shorthands for ep0 out and in endpoints, + * don't add to gadget's ep_list + */ + if (i == 0) { + if (j == RX) + udc->ep0out = mEp; + else + udc->ep0in = mEp; + + continue; + } + + list_add_tail(&mEp->ep.ep_list, &udc->gadget.ep_list); + } + + return retval; +} + +/** + * ci13xxx_start: register a gadget driver + * @gadget: our gadget + * @driver: the driver being registered + * + * Interrupts are enabled here. + */ +static int ci13xxx_start(struct usb_gadget *gadget, + struct usb_gadget_driver *driver) +{ + struct ci13xxx *udc = container_of(gadget, struct ci13xxx, gadget); + unsigned long flags; + int retval = -ENOMEM; + + if (driver->disconnect == NULL) + return -EINVAL; + + + udc->ep0out->ep.desc = &ctrl_endpt_out_desc; + retval = usb_ep_enable(&udc->ep0out->ep); + if (retval) + return retval; + + udc->ep0in->ep.desc = &ctrl_endpt_in_desc; + retval = usb_ep_enable(&udc->ep0in->ep); + if (retval) + return retval; + spin_lock_irqsave(&udc->lock, flags); + + udc->driver = driver; + pm_runtime_get_sync(&udc->gadget.dev); + if (udc->udc_driver->flags & CI13XXX_PULLUP_ON_VBUS) { + if (udc->vbus_active) { + if (udc->udc_driver->flags & CI13XXX_REGS_SHARED) + hw_device_reset(udc); + } else { + pm_runtime_put_sync(&udc->gadget.dev); + goto done; + } + } + + retval = hw_device_state(udc, udc->ep0out->qh.dma); + if (retval) + pm_runtime_put_sync(&udc->gadget.dev); + + done: + spin_unlock_irqrestore(&udc->lock, flags); + return retval; +} + +/** + * ci13xxx_stop: unregister a gadget driver + */ +static int ci13xxx_stop(struct usb_gadget *gadget, + struct usb_gadget_driver *driver) +{ + struct ci13xxx *udc = container_of(gadget, struct ci13xxx, gadget); + unsigned long flags; + + spin_lock_irqsave(&udc->lock, flags); + + if (!(udc->udc_driver->flags & CI13XXX_PULLUP_ON_VBUS) || + udc->vbus_active) { + hw_device_state(udc, 0); + if (udc->udc_driver->notify_event) + udc->udc_driver->notify_event(udc, + CI13XXX_CONTROLLER_STOPPED_EVENT); + udc->driver = NULL; + spin_unlock_irqrestore(&udc->lock, flags); + _gadget_stop_activity(&udc->gadget); + spin_lock_irqsave(&udc->lock, flags); + pm_runtime_put(&udc->gadget.dev); + } + + spin_unlock_irqrestore(&udc->lock, flags); + + return 0; +} + +/****************************************************************************** + * BUS block + *****************************************************************************/ +/** + * udc_irq: global interrupt handler + * + * This function returns IRQ_HANDLED if the IRQ has been handled + * It locks access to registers + */ +irqreturn_t udc_irq(int irq, void *data) +{ + struct ci13xxx *udc = data; + irqreturn_t retval; + u32 intr; + + if (udc == NULL) + return IRQ_HANDLED; + + spin_lock(&udc->lock); + + if (udc->udc_driver->flags & CI13XXX_REGS_SHARED) { + if (hw_read(udc, OP_USBMODE, USBMODE_CM) != + USBMODE_CM_DEVICE) { + spin_unlock(&udc->lock); + return IRQ_NONE; + } + } + intr = hw_test_and_clear_intr_active(udc); + dbg_interrupt(intr); + + if (intr) { + /* order defines priority - do NOT change it */ + if (USBi_URI & intr) + isr_reset_handler(udc); + + if (USBi_PCI & intr) { + udc->gadget.speed = hw_port_is_high_speed(udc) ? + USB_SPEED_HIGH : USB_SPEED_FULL; + if (udc->suspended && udc->driver->resume) { + spin_unlock(&udc->lock); + udc->driver->resume(&udc->gadget); + spin_lock(&udc->lock); + udc->suspended = 0; + } + } + + if (USBi_UI & intr) + isr_tr_complete_handler(udc); + + if (USBi_SLI & intr) { + if (udc->gadget.speed != USB_SPEED_UNKNOWN && + udc->driver->suspend) { + udc->suspended = 1; + spin_unlock(&udc->lock); + udc->driver->suspend(&udc->gadget); + spin_lock(&udc->lock); + } + } + retval = IRQ_HANDLED; + } else { + retval = IRQ_NONE; + } + spin_unlock(&udc->lock); + + return retval; +} + +/** + * udc_release: driver release function + * @dev: device + * + * Currently does nothing + */ +static void udc_release(struct device *dev) +{ +} + +/** + * udc_probe: parent probe must call this to initialize UDC + * @dev: parent device + * @regs: registers base address + * @name: driver name + * + * This function returns an error code + * No interrupts active, the IRQ has not been requested yet + * Kernel assumes 32-bit DMA operations by default, no need to dma_set_mask + */ +int udc_probe(struct ci13xxx_udc_driver *driver, struct device *dev, + void __iomem *regs, struct ci13xxx **_udc) +{ + struct ci13xxx *udc; + int retval = 0; + + if (dev == NULL || regs == NULL || driver == NULL || + driver->name == NULL) + return -EINVAL; + + udc = kzalloc(sizeof(struct ci13xxx), GFP_KERNEL); + if (udc == NULL) + return -ENOMEM; + + spin_lock_init(&udc->lock); + udc->regs = regs; + udc->udc_driver = driver; + + udc->gadget.ops = &usb_gadget_ops; + udc->gadget.speed = USB_SPEED_UNKNOWN; + udc->gadget.max_speed = USB_SPEED_HIGH; + udc->gadget.is_otg = 0; + udc->gadget.name = driver->name; + + INIT_LIST_HEAD(&udc->gadget.ep_list); + + dev_set_name(&udc->gadget.dev, "gadget"); + udc->gadget.dev.dma_mask = dev->dma_mask; + udc->gadget.dev.coherent_dma_mask = dev->coherent_dma_mask; + udc->gadget.dev.parent = dev; + udc->gadget.dev.release = udc_release; + + udc->dev = dev; + + /* alloc resources */ + udc->qh_pool = dma_pool_create("ci13xxx_qh", dev, + sizeof(struct ci13xxx_qh), + 64, CI13XXX_PAGE_SIZE); + if (udc->qh_pool == NULL) { + retval = -ENOMEM; + goto free_udc; + } + + udc->td_pool = dma_pool_create("ci13xxx_td", dev, + sizeof(struct ci13xxx_td), + 64, CI13XXX_PAGE_SIZE); + if (udc->td_pool == NULL) { + retval = -ENOMEM; + goto free_qh_pool; + } + + retval = hw_device_init(udc, regs, driver->capoffset); + if (retval < 0) + goto free_pools; + + retval = init_eps(udc); + if (retval) + goto free_pools; + + udc->gadget.ep0 = &udc->ep0in->ep; + + udc->transceiver = usb_get_transceiver(); + + if (udc->udc_driver->flags & CI13XXX_REQUIRE_TRANSCEIVER) { + if (udc->transceiver == NULL) { + retval = -ENODEV; + goto free_pools; + } + } + + if (!(udc->udc_driver->flags & CI13XXX_REGS_SHARED)) { + retval = hw_device_reset(udc); + if (retval) + goto put_transceiver; + } + + retval = device_register(&udc->gadget.dev); + if (retval) { + put_device(&udc->gadget.dev); + goto put_transceiver; + } + + retval = dbg_create_files(&udc->gadget.dev); + if (retval) + goto unreg_device; + + if (udc->transceiver) { + retval = otg_set_peripheral(udc->transceiver->otg, + &udc->gadget); + if (retval) + goto remove_dbg; + } + + retval = usb_add_gadget_udc(dev, &udc->gadget); + if (retval) + goto remove_trans; + + pm_runtime_no_callbacks(&udc->gadget.dev); + pm_runtime_enable(&udc->gadget.dev); + + *_udc = udc; + return retval; + +remove_trans: + if (udc->transceiver) { + otg_set_peripheral(udc->transceiver->otg, &udc->gadget); + usb_put_transceiver(udc->transceiver); + } + + dev_err(dev, "error = %i\n", retval); +remove_dbg: + dbg_remove_files(&udc->gadget.dev); +unreg_device: + device_unregister(&udc->gadget.dev); +put_transceiver: + if (udc->transceiver) + usb_put_transceiver(udc->transceiver); +free_pools: + dma_pool_destroy(udc->td_pool); +free_qh_pool: + dma_pool_destroy(udc->qh_pool); +free_udc: + kfree(udc); + *_udc = NULL; + return retval; +} + +/** + * udc_remove: parent remove must call this to remove UDC + * + * No interrupts active, the IRQ has been released + */ +void udc_remove(struct ci13xxx *udc) +{ + int i; + + if (udc == NULL) + return; + + usb_del_gadget_udc(&udc->gadget); + + for (i = 0; i < udc->hw_ep_max; i++) { + struct ci13xxx_ep *mEp = &udc->ci13xxx_ep[i]; + + dma_pool_free(udc->qh_pool, mEp->qh.ptr, mEp->qh.dma); + } + + dma_pool_destroy(udc->td_pool); + dma_pool_destroy(udc->qh_pool); + + if (udc->transceiver) { + otg_set_peripheral(udc->transceiver->otg, &udc->gadget); + usb_put_transceiver(udc->transceiver); + } + dbg_remove_files(&udc->gadget.dev); + device_unregister(&udc->gadget.dev); + + kfree(udc->hw_bank.regmap); + kfree(udc); +} diff --git a/drivers/usb/chipidea/udc.h b/drivers/usb/chipidea/udc.h new file mode 100644 index 000000000000..82c9e3e772f7 --- /dev/null +++ b/drivers/usb/chipidea/udc.h @@ -0,0 +1,96 @@ +/* + * udc.h - ChipIdea UDC structures + * + * Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved. + * + * Author: David Lopo + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __DRIVERS_USB_CHIPIDEA_UDC_H +#define __DRIVERS_USB_CHIPIDEA_UDC_H + +#include + +#define CTRL_PAYLOAD_MAX 64 +#define RX 0 /* similar to USB_DIR_OUT but can be used as an index */ +#define TX 1 /* similar to USB_DIR_IN but can be used as an index */ + +/* DMA layout of transfer descriptors */ +struct ci13xxx_td { + /* 0 */ + u32 next; +#define TD_TERMINATE BIT(0) +#define TD_ADDR_MASK (0xFFFFFFEUL << 5) + /* 1 */ + u32 token; +#define TD_STATUS (0x00FFUL << 0) +#define TD_STATUS_TR_ERR BIT(3) +#define TD_STATUS_DT_ERR BIT(5) +#define TD_STATUS_HALTED BIT(6) +#define TD_STATUS_ACTIVE BIT(7) +#define TD_MULTO (0x0003UL << 10) +#define TD_IOC BIT(15) +#define TD_TOTAL_BYTES (0x7FFFUL << 16) + /* 2 */ + u32 page[5]; +#define TD_CURR_OFFSET (0x0FFFUL << 0) +#define TD_FRAME_NUM (0x07FFUL << 0) +#define TD_RESERVED_MASK (0x0FFFUL << 0) +} __attribute__ ((packed)); + +/* DMA layout of queue heads */ +struct ci13xxx_qh { + /* 0 */ + u32 cap; +#define QH_IOS BIT(15) +#define QH_MAX_PKT (0x07FFUL << 16) +#define QH_ZLT BIT(29) +#define QH_MULT (0x0003UL << 30) + /* 1 */ + u32 curr; + /* 2 - 8 */ + struct ci13xxx_td td; + /* 9 */ + u32 RESERVED; + struct usb_ctrlrequest setup; +} __attribute__ ((packed)); + +/* Extension of usb_request */ +struct ci13xxx_req { + struct usb_request req; + unsigned map; + struct list_head queue; + struct ci13xxx_td *ptr; + dma_addr_t dma; + struct ci13xxx_td *zptr; + dma_addr_t zdma; +}; + +#ifdef CONFIG_USB_CHIPIDEA_UDC +irqreturn_t udc_irq(int irq, void *data); +int udc_probe(struct ci13xxx_udc_driver *driver, struct device *dev, + void __iomem *regs, struct ci13xxx **_udc); +void udc_remove(struct ci13xxx *udc); +#else +static inline irqreturn_t udc_irq(int irq, void *data) +{ + return IRQ_NONE; +} + +static inline +int udc_probe(struct ci13xxx_udc_driver *driver, struct device *dev, + void __iomem *regs, struct ci13xxx **_udc) +{ + return -ENODEV; +} + +static inline void udc_remove(struct ci13xxx *udc) +{ +} +#endif + +#endif /* __DRIVERS_USB_CHIPIDEA_UDC_H */ diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h new file mode 100644 index 000000000000..86273ce5f554 --- /dev/null +++ b/include/linux/usb/chipidea.h @@ -0,0 +1,27 @@ +/* + * Platform data for the chipidea USB dual role controller + */ + +#ifndef __LINUX_USB_CHIPIDEA_H +#define __LINUX_USB_CHIPIDEA_H + +struct ci13xxx; +struct ci13xxx_udc_driver { + const char *name; + /* offset of the capability registers */ + uintptr_t capoffset; + unsigned long flags; +#define CI13XXX_REGS_SHARED BIT(0) +#define CI13XXX_REQUIRE_TRANSCEIVER BIT(1) +#define CI13XXX_PULLUP_ON_VBUS BIT(2) +#define CI13XXX_DISABLE_STREAMING BIT(3) + +#define CI13XXX_CONTROLLER_RESET_EVENT 0 +#define CI13XXX_CONTROLLER_STOPPED_EVENT 1 + void (*notify_event) (struct ci13xxx *udc, unsigned event); +}; + +/* Default offset of capability registers */ +#define DEF_CAPOFFSET 0x100 + +#endif -- cgit v1.3-8-gc7d7 From bd841986e4e1fe60fe97da45be5139f173c5188e Mon Sep 17 00:00:00 2001 From: Alexander Shishkin Date: Fri, 11 May 2012 17:25:55 +0300 Subject: usb: chipidea: add power_budget limit for ehci to platform data Some implementations need this limitation to work correctly. Signed-off-by: Alexander Shishkin Signed-off-by: Greg Kroah-Hartman --- drivers/usb/chipidea/ci13xxx_pci.c | 8 +++++++- drivers/usb/chipidea/host.c | 2 ++ include/linux/usb/chipidea.h | 1 + 3 files changed, 10 insertions(+), 1 deletion(-) (limited to 'include/linux/usb') diff --git a/drivers/usb/chipidea/ci13xxx_pci.c b/drivers/usb/chipidea/ci13xxx_pci.c index f190140cf612..e3dab27f5c75 100644 --- a/drivers/usb/chipidea/ci13xxx_pci.c +++ b/drivers/usb/chipidea/ci13xxx_pci.c @@ -33,6 +33,12 @@ struct ci13xxx_udc_driver langwell_pci_driver = { .capoffset = 0, }; +struct ci13xxx_udc_driver penwell_pci_driver = { + .name = UDC_DRIVER_NAME, + .capoffset = 0, + .power_budget = 200, +}; + /** * ci13xxx_pci_probe: PCI probe * @pdev: USB device controller being probed @@ -153,7 +159,7 @@ static DEFINE_PCI_DEVICE_TABLE(ci13xxx_pci_id_table) = { }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0829), - .driver_data = (kernel_ulong_t)&langwell_pci_driver, + .driver_data = (kernel_ulong_t)&penwell_pci_driver, }, { 0, 0, 0, 0, 0, 0, 0 /* end: all zeroes */ } }; diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c index 8c8362c89a8c..0cffcfe5ce53 100644 --- a/drivers/usb/chipidea/host.c +++ b/drivers/usb/chipidea/host.c @@ -116,6 +116,8 @@ static int host_start(struct ci13xxx *ci) hcd->regs = ci->hw_bank.abs; hcd->has_tt = 1; + hcd->power_budget = ci->udc_driver->power_budget; + ehci = hcd_to_ehci(hcd); ehci->caps = ci->hw_bank.cap; ehci->has_hostpc = ci->hw_bank.lpm; diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h index 86273ce5f554..edb90d6cfd12 100644 --- a/include/linux/usb/chipidea.h +++ b/include/linux/usb/chipidea.h @@ -10,6 +10,7 @@ struct ci13xxx_udc_driver { const char *name; /* offset of the capability registers */ uintptr_t capoffset; + unsigned power_budget; unsigned long flags; #define CI13XXX_REGS_SHARED BIT(0) #define CI13XXX_REQUIRE_TRANSCEIVER BIT(1) -- cgit v1.3-8-gc7d7 From 4fd09e8e025d5a5b4a1fd67df9197c3d4e1b171d Mon Sep 17 00:00:00 2001 From: Alexander Shishkin Date: Fri, 11 May 2012 17:25:58 +0300 Subject: usb: gadget: remove langwell_udc We have the chipidea driver now that supports both langwell and penwell, so there is no need for this one any more. Signed-off-by: Alexander Shishkin Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/Kconfig | 16 - drivers/usb/gadget/Makefile | 1 - drivers/usb/gadget/langwell_udc.c | 3419 ------------------------------------- drivers/usb/gadget/langwell_udc.h | 223 --- include/linux/usb/langwell_udc.h | 310 ---- 5 files changed, 3969 deletions(-) delete mode 100644 drivers/usb/gadget/langwell_udc.c delete mode 100644 drivers/usb/gadget/langwell_udc.h delete mode 100644 include/linux/usb/langwell_udc.h (limited to 'include/linux/usb') diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index 1d7405c180d5..11c2b21862eb 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -431,22 +431,6 @@ config USB_GOKU dynamically linked module called "goku_udc" and to force all gadget drivers to also be dynamically linked. -config USB_LANGWELL - tristate "Intel Langwell USB Device Controller" - depends on PCI - depends on !PHYS_ADDR_T_64BIT - select USB_GADGET_DUALSPEED - help - Intel Langwell USB Device Controller is a High-Speed USB - On-The-Go device controller. - - The number of programmable endpoints is different through - controller revision. - - Say "y" to link the driver statically, or "m" to build a - dynamically linked module called "langwell_udc" and force all - gadget drivers to also be dynamically linked. - config USB_EG20T tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7213/ML7831) UDC" depends on PCI diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile index 6ddfd26e8f38..51019aa9a268 100644 --- a/drivers/usb/gadget/Makefile +++ b/drivers/usb/gadget/Makefile @@ -24,7 +24,6 @@ obj-$(CONFIG_USB_R8A66597) += r8a66597-udc.o obj-$(CONFIG_USB_FSL_QE) += fsl_qe_udc.o obj-$(CONFIG_USB_S3C_HSOTG) += s3c-hsotg.o obj-$(CONFIG_USB_S3C_HSUDC) += s3c-hsudc.o -obj-$(CONFIG_USB_LANGWELL) += langwell_udc.o obj-$(CONFIG_USB_LPC32XX) += lpc32xx_udc.o obj-$(CONFIG_USB_EG20T) += pch_udc.o obj-$(CONFIG_USB_MV_UDC) += mv_udc.o diff --git a/drivers/usb/gadget/langwell_udc.c b/drivers/usb/gadget/langwell_udc.c deleted file mode 100644 index e119519cdaf4..000000000000 --- a/drivers/usb/gadget/langwell_udc.c +++ /dev/null @@ -1,3419 +0,0 @@ -/* - * Intel Langwell USB Device Controller driver - * Copyright (C) 2008-2009, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - */ - - -/* #undef DEBUG */ -/* #undef VERBOSE_DEBUG */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "langwell_udc.h" - - -#define DRIVER_DESC "Intel Langwell USB Device Controller driver" -#define DRIVER_VERSION "16 May 2009" - -static const char driver_name[] = "langwell_udc"; -static const char driver_desc[] = DRIVER_DESC; - - -/* for endpoint 0 operations */ -static const struct usb_endpoint_descriptor -langwell_ep0_desc = { - .bLength = USB_DT_ENDPOINT_SIZE, - .bDescriptorType = USB_DT_ENDPOINT, - .bEndpointAddress = 0, - .bmAttributes = USB_ENDPOINT_XFER_CONTROL, - .wMaxPacketSize = EP0_MAX_PKT_SIZE, -}; - - -/*-------------------------------------------------------------------------*/ -/* debugging */ - -#ifdef VERBOSE_DEBUG -static inline void print_all_registers(struct langwell_udc *dev) -{ - int i; - - /* Capability Registers */ - dev_dbg(&dev->pdev->dev, - "Capability Registers (offset: 0x%04x, length: 0x%08x)\n", - CAP_REG_OFFSET, (u32)sizeof(struct langwell_cap_regs)); - dev_dbg(&dev->pdev->dev, "caplength=0x%02x\n", - readb(&dev->cap_regs->caplength)); - dev_dbg(&dev->pdev->dev, "hciversion=0x%04x\n", - readw(&dev->cap_regs->hciversion)); - dev_dbg(&dev->pdev->dev, "hcsparams=0x%08x\n", - readl(&dev->cap_regs->hcsparams)); - dev_dbg(&dev->pdev->dev, "hccparams=0x%08x\n", - readl(&dev->cap_regs->hccparams)); - dev_dbg(&dev->pdev->dev, "dciversion=0x%04x\n", - readw(&dev->cap_regs->dciversion)); - dev_dbg(&dev->pdev->dev, "dccparams=0x%08x\n", - readl(&dev->cap_regs->dccparams)); - - /* Operational Registers */ - dev_dbg(&dev->pdev->dev, - "Operational Registers (offset: 0x%04x, length: 0x%08x)\n", - OP_REG_OFFSET, (u32)sizeof(struct langwell_op_regs)); - dev_dbg(&dev->pdev->dev, "extsts=0x%08x\n", - readl(&dev->op_regs->extsts)); - dev_dbg(&dev->pdev->dev, "extintr=0x%08x\n", - readl(&dev->op_regs->extintr)); - dev_dbg(&dev->pdev->dev, "usbcmd=0x%08x\n", - readl(&dev->op_regs->usbcmd)); - dev_dbg(&dev->pdev->dev, "usbsts=0x%08x\n", - readl(&dev->op_regs->usbsts)); - dev_dbg(&dev->pdev->dev, "usbintr=0x%08x\n", - readl(&dev->op_regs->usbintr)); - dev_dbg(&dev->pdev->dev, "frindex=0x%08x\n", - readl(&dev->op_regs->frindex)); - dev_dbg(&dev->pdev->dev, "ctrldssegment=0x%08x\n", - readl(&dev->op_regs->ctrldssegment)); - dev_dbg(&dev->pdev->dev, "deviceaddr=0x%08x\n", - readl(&dev->op_regs->deviceaddr)); - dev_dbg(&dev->pdev->dev, "endpointlistaddr=0x%08x\n", - readl(&dev->op_regs->endpointlistaddr)); - dev_dbg(&dev->pdev->dev, "ttctrl=0x%08x\n", - readl(&dev->op_regs->ttctrl)); - dev_dbg(&dev->pdev->dev, "burstsize=0x%08x\n", - readl(&dev->op_regs->burstsize)); - dev_dbg(&dev->pdev->dev, "txfilltuning=0x%08x\n", - readl(&dev->op_regs->txfilltuning)); - dev_dbg(&dev->pdev->dev, "txttfilltuning=0x%08x\n", - readl(&dev->op_regs->txttfilltuning)); - dev_dbg(&dev->pdev->dev, "ic_usb=0x%08x\n", - readl(&dev->op_regs->ic_usb)); - dev_dbg(&dev->pdev->dev, "ulpi_viewport=0x%08x\n", - readl(&dev->op_regs->ulpi_viewport)); - dev_dbg(&dev->pdev->dev, "configflag=0x%08x\n", - readl(&dev->op_regs->configflag)); - dev_dbg(&dev->pdev->dev, "portsc1=0x%08x\n", - readl(&dev->op_regs->portsc1)); - dev_dbg(&dev->pdev->dev, "devlc=0x%08x\n", - readl(&dev->op_regs->devlc)); - dev_dbg(&dev->pdev->dev, "otgsc=0x%08x\n", - readl(&dev->op_regs->otgsc)); - dev_dbg(&dev->pdev->dev, "usbmode=0x%08x\n", - readl(&dev->op_regs->usbmode)); - dev_dbg(&dev->pdev->dev, "endptnak=0x%08x\n", - readl(&dev->op_regs->endptnak)); - dev_dbg(&dev->pdev->dev, "endptnaken=0x%08x\n", - readl(&dev->op_regs->endptnaken)); - dev_dbg(&dev->pdev->dev, "endptsetupstat=0x%08x\n", - readl(&dev->op_regs->endptsetupstat)); - dev_dbg(&dev->pdev->dev, "endptprime=0x%08x\n", - readl(&dev->op_regs->endptprime)); - dev_dbg(&dev->pdev->dev, "endptflush=0x%08x\n", - readl(&dev->op_regs->endptflush)); - dev_dbg(&dev->pdev->dev, "endptstat=0x%08x\n", - readl(&dev->op_regs->endptstat)); - dev_dbg(&dev->pdev->dev, "endptcomplete=0x%08x\n", - readl(&dev->op_regs->endptcomplete)); - - for (i = 0; i < dev->ep_max / 2; i++) { - dev_dbg(&dev->pdev->dev, "endptctrl[%d]=0x%08x\n", - i, readl(&dev->op_regs->endptctrl[i])); - } -} -#else - -#define print_all_registers(dev) do { } while (0) - -#endif /* VERBOSE_DEBUG */ - - -/*-------------------------------------------------------------------------*/ - -#define is_in(ep) (((ep)->ep_num == 0) ? ((ep)->dev->ep0_dir == \ - USB_DIR_IN) : (usb_endpoint_dir_in((ep)->ep.desc))) - -#define DIR_STRING(ep) (is_in(ep) ? "in" : "out") - - -static char *type_string(const struct usb_endpoint_descriptor *desc) -{ - switch (usb_endpoint_type(desc)) { - case USB_ENDPOINT_XFER_BULK: - return "bulk"; - case USB_ENDPOINT_XFER_ISOC: - return "iso"; - case USB_ENDPOINT_XFER_INT: - return "int"; - }; - - return "control"; -} - - -/* configure endpoint control registers */ -static void ep_reset(struct langwell_ep *ep, unsigned char ep_num, - unsigned char is_in, unsigned char ep_type) -{ - struct langwell_udc *dev; - u32 endptctrl; - - dev = ep->dev; - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - endptctrl = readl(&dev->op_regs->endptctrl[ep_num]); - if (is_in) { /* TX */ - if (ep_num) - endptctrl |= EPCTRL_TXR; - endptctrl |= EPCTRL_TXE; - endptctrl |= ep_type << EPCTRL_TXT_SHIFT; - } else { /* RX */ - if (ep_num) - endptctrl |= EPCTRL_RXR; - endptctrl |= EPCTRL_RXE; - endptctrl |= ep_type << EPCTRL_RXT_SHIFT; - } - - writel(endptctrl, &dev->op_regs->endptctrl[ep_num]); - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); -} - - -/* reset ep0 dQH and endptctrl */ -static void ep0_reset(struct langwell_udc *dev) -{ - struct langwell_ep *ep; - int i; - - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - /* ep0 in and out */ - for (i = 0; i < 2; i++) { - ep = &dev->ep[i]; - ep->dev = dev; - - /* ep0 dQH */ - ep->dqh = &dev->ep_dqh[i]; - - /* configure ep0 endpoint capabilities in dQH */ - ep->dqh->dqh_ios = 1; - ep->dqh->dqh_mpl = EP0_MAX_PKT_SIZE; - - /* enable ep0-in HW zero length termination select */ - if (is_in(ep)) - ep->dqh->dqh_zlt = 0; - ep->dqh->dqh_mult = 0; - - ep->dqh->dtd_next = DTD_TERM; - - /* configure ep0 control registers */ - ep_reset(&dev->ep[0], 0, i, USB_ENDPOINT_XFER_CONTROL); - } - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); -} - - -/*-------------------------------------------------------------------------*/ - -/* endpoints operations */ - -/* configure endpoint, making it usable */ -static int langwell_ep_enable(struct usb_ep *_ep, - const struct usb_endpoint_descriptor *desc) -{ - struct langwell_udc *dev; - struct langwell_ep *ep; - u16 max = 0; - unsigned long flags; - int i, retval = 0; - unsigned char zlt, ios = 0, mult = 0; - - ep = container_of(_ep, struct langwell_ep, ep); - dev = ep->dev; - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - if (!_ep || !desc || ep->ep.desc - || desc->bDescriptorType != USB_DT_ENDPOINT) - return -EINVAL; - - if (!dev->driver || dev->gadget.speed == USB_SPEED_UNKNOWN) - return -ESHUTDOWN; - - max = usb_endpoint_maxp(desc); - - /* - * disable HW zero length termination select - * driver handles zero length packet through req->req.zero - */ - zlt = 1; - - /* - * sanity check type, direction, address, and then - * initialize the endpoint capabilities fields in dQH - */ - switch (usb_endpoint_type(desc)) { - case USB_ENDPOINT_XFER_CONTROL: - ios = 1; - break; - case USB_ENDPOINT_XFER_BULK: - if ((dev->gadget.speed == USB_SPEED_HIGH - && max != 512) - || (dev->gadget.speed == USB_SPEED_FULL - && max > 64)) { - goto done; - } - break; - case USB_ENDPOINT_XFER_INT: - if (strstr(ep->ep.name, "-iso")) /* bulk is ok */ - goto done; - - switch (dev->gadget.speed) { - case USB_SPEED_HIGH: - if (max <= 1024) - break; - case USB_SPEED_FULL: - if (max <= 64) - break; - default: - if (max <= 8) - break; - goto done; - } - break; - case USB_ENDPOINT_XFER_ISOC: - if (strstr(ep->ep.name, "-bulk") - || strstr(ep->ep.name, "-int")) - goto done; - - switch (dev->gadget.speed) { - case USB_SPEED_HIGH: - if (max <= 1024) - break; - case USB_SPEED_FULL: - if (max <= 1023) - break; - default: - goto done; - } - /* - * FIXME: - * calculate transactions needed for high bandwidth iso - */ - mult = (unsigned char)(1 + ((max >> 11) & 0x03)); - max = max & 0x8ff; /* bit 0~10 */ - /* 3 transactions at most */ - if (mult > 3) - goto done; - break; - default: - goto done; - } - - spin_lock_irqsave(&dev->lock, flags); - - ep->ep.maxpacket = max; - ep->ep.desc = desc; - ep->stopped = 0; - ep->ep_num = usb_endpoint_num(desc); - - /* ep_type */ - ep->ep_type = usb_endpoint_type(desc); - - /* configure endpoint control registers */ - ep_reset(ep, ep->ep_num, is_in(ep), ep->ep_type); - - /* configure endpoint capabilities in dQH */ - i = ep->ep_num * 2 + is_in(ep); - ep->dqh = &dev->ep_dqh[i]; - ep->dqh->dqh_ios = ios; - ep->dqh->dqh_mpl = cpu_to_le16(max); - ep->dqh->dqh_zlt = zlt; - ep->dqh->dqh_mult = mult; - ep->dqh->dtd_next = DTD_TERM; - - dev_dbg(&dev->pdev->dev, "enabled %s (ep%d%s-%s), max %04x\n", - _ep->name, - ep->ep_num, - DIR_STRING(ep), - type_string(desc), - max); - - spin_unlock_irqrestore(&dev->lock, flags); -done: - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return retval; -} - - -/*-------------------------------------------------------------------------*/ - -/* retire a request */ -static void done(struct langwell_ep *ep, struct langwell_request *req, - int status) -{ - struct langwell_udc *dev = ep->dev; - unsigned stopped = ep->stopped; - struct langwell_dtd *curr_dtd, *next_dtd; - int i; - - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - /* remove the req from ep->queue */ - list_del_init(&req->queue); - - if (req->req.status == -EINPROGRESS) - req->req.status = status; - else - status = req->req.status; - - /* free dTD for the request */ - next_dtd = req->head; - for (i = 0; i < req->dtd_count; i++) { - curr_dtd = next_dtd; - if (i != req->dtd_count - 1) - next_dtd = curr_dtd->next_dtd_virt; - dma_pool_free(dev->dtd_pool, curr_dtd, curr_dtd->dtd_dma); - } - - usb_gadget_unmap_request(&dev->gadget, &req->req, is_in(ep)); - - if (status != -ESHUTDOWN) - dev_dbg(&dev->pdev->dev, - "complete %s, req %p, stat %d, len %u/%u\n", - ep->ep.name, &req->req, status, - req->req.actual, req->req.length); - - /* don't modify queue heads during completion callback */ - ep->stopped = 1; - - spin_unlock(&dev->lock); - /* complete routine from gadget driver */ - if (req->req.complete) - req->req.complete(&ep->ep, &req->req); - - spin_lock(&dev->lock); - ep->stopped = stopped; - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); -} - - -static void langwell_ep_fifo_flush(struct usb_ep *_ep); - -/* delete all endpoint requests, called with spinlock held */ -static void nuke(struct langwell_ep *ep, int status) -{ - /* called with spinlock held */ - ep->stopped = 1; - - /* endpoint fifo flush */ - if (&ep->ep && ep->ep.desc) - langwell_ep_fifo_flush(&ep->ep); - - while (!list_empty(&ep->queue)) { - struct langwell_request *req = NULL; - req = list_entry(ep->queue.next, struct langwell_request, - queue); - done(ep, req, status); - } -} - - -/*-------------------------------------------------------------------------*/ - -/* endpoint is no longer usable */ -static int langwell_ep_disable(struct usb_ep *_ep) -{ - struct langwell_ep *ep; - unsigned long flags; - struct langwell_udc *dev; - int ep_num; - u32 endptctrl; - - ep = container_of(_ep, struct langwell_ep, ep); - dev = ep->dev; - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - if (!_ep || !ep->ep.desc) - return -EINVAL; - - spin_lock_irqsave(&dev->lock, flags); - - /* disable endpoint control register */ - ep_num = ep->ep_num; - endptctrl = readl(&dev->op_regs->endptctrl[ep_num]); - if (is_in(ep)) - endptctrl &= ~EPCTRL_TXE; - else - endptctrl &= ~EPCTRL_RXE; - writel(endptctrl, &dev->op_regs->endptctrl[ep_num]); - - /* nuke all pending requests (does flush) */ - nuke(ep, -ESHUTDOWN); - - ep->ep.desc = NULL; - ep->stopped = 1; - - spin_unlock_irqrestore(&dev->lock, flags); - - dev_dbg(&dev->pdev->dev, "disabled %s\n", _ep->name); - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - - return 0; -} - - -/* allocate a request object to use with this endpoint */ -static struct usb_request *langwell_alloc_request(struct usb_ep *_ep, - gfp_t gfp_flags) -{ - struct langwell_ep *ep; - struct langwell_udc *dev; - struct langwell_request *req = NULL; - - if (!_ep) - return NULL; - - ep = container_of(_ep, struct langwell_ep, ep); - dev = ep->dev; - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - req = kzalloc(sizeof(*req), gfp_flags); - if (!req) - return NULL; - - req->req.dma = DMA_ADDR_INVALID; - INIT_LIST_HEAD(&req->queue); - - dev_vdbg(&dev->pdev->dev, "alloc request for %s\n", _ep->name); - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return &req->req; -} - - -/* free a request object */ -static void langwell_free_request(struct usb_ep *_ep, - struct usb_request *_req) -{ - struct langwell_ep *ep; - struct langwell_udc *dev; - struct langwell_request *req = NULL; - - ep = container_of(_ep, struct langwell_ep, ep); - dev = ep->dev; - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - if (!_ep || !_req) - return; - - req = container_of(_req, struct langwell_request, req); - WARN_ON(!list_empty(&req->queue)); - - if (_req) - kfree(req); - - dev_vdbg(&dev->pdev->dev, "free request for %s\n", _ep->name); - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); -} - - -/*-------------------------------------------------------------------------*/ - -/* queue dTD and PRIME endpoint */ -static int queue_dtd(struct langwell_ep *ep, struct langwell_request *req) -{ - u32 bit_mask, usbcmd, endptstat, dtd_dma; - u8 dtd_status; - int i; - struct langwell_dqh *dqh; - struct langwell_udc *dev; - - dev = ep->dev; - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - i = ep->ep_num * 2 + is_in(ep); - dqh = &dev->ep_dqh[i]; - - if (ep->ep_num) - dev_vdbg(&dev->pdev->dev, "%s\n", ep->name); - else - /* ep0 */ - dev_vdbg(&dev->pdev->dev, "%s-%s\n", ep->name, DIR_STRING(ep)); - - dev_vdbg(&dev->pdev->dev, "ep_dqh[%d] addr: 0x%p\n", - i, &(dev->ep_dqh[i])); - - bit_mask = is_in(ep) ? - (1 << (ep->ep_num + 16)) : (1 << (ep->ep_num)); - - dev_vdbg(&dev->pdev->dev, "bit_mask = 0x%08x\n", bit_mask); - - /* check if the pipe is empty */ - if (!(list_empty(&ep->queue))) { - /* add dTD to the end of linked list */ - struct langwell_request *lastreq; - lastreq = list_entry(ep->queue.prev, - struct langwell_request, queue); - - lastreq->tail->dtd_next = - cpu_to_le32(req->head->dtd_dma & DTD_NEXT_MASK); - - /* read prime bit, if 1 goto out */ - if (readl(&dev->op_regs->endptprime) & bit_mask) - goto out; - - do { - /* set ATDTW bit in USBCMD */ - usbcmd = readl(&dev->op_regs->usbcmd); - writel(usbcmd | CMD_ATDTW, &dev->op_regs->usbcmd); - - /* read correct status bit */ - endptstat = readl(&dev->op_regs->endptstat) & bit_mask; - - } while (!(readl(&dev->op_regs->usbcmd) & CMD_ATDTW)); - - /* write ATDTW bit to 0 */ - usbcmd = readl(&dev->op_regs->usbcmd); - writel(usbcmd & ~CMD_ATDTW, &dev->op_regs->usbcmd); - - if (endptstat) - goto out; - } - - /* write dQH next pointer and terminate bit to 0 */ - dtd_dma = req->head->dtd_dma & DTD_NEXT_MASK; - dqh->dtd_next = cpu_to_le32(dtd_dma); - - /* clear active and halt bit */ - dtd_status = (u8) ~(DTD_STS_ACTIVE | DTD_STS_HALTED); - dqh->dtd_status &= dtd_status; - dev_vdbg(&dev->pdev->dev, "dqh->dtd_status = 0x%x\n", dqh->dtd_status); - - /* ensure that updates to the dQH will occur before priming */ - wmb(); - - /* write 1 to endptprime register to PRIME endpoint */ - bit_mask = is_in(ep) ? (1 << (ep->ep_num + 16)) : (1 << ep->ep_num); - dev_vdbg(&dev->pdev->dev, "endprime bit_mask = 0x%08x\n", bit_mask); - writel(bit_mask, &dev->op_regs->endptprime); -out: - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return 0; -} - - -/* fill in the dTD structure to build a transfer descriptor */ -static struct langwell_dtd *build_dtd(struct langwell_request *req, - unsigned *length, dma_addr_t *dma, int *is_last) -{ - u32 buf_ptr; - struct langwell_dtd *dtd; - struct langwell_udc *dev; - int i; - - dev = req->ep->dev; - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - /* the maximum transfer length, up to 16k bytes */ - *length = min(req->req.length - req->req.actual, - (unsigned)DTD_MAX_TRANSFER_LENGTH); - - /* create dTD dma_pool resource */ - dtd = dma_pool_alloc(dev->dtd_pool, GFP_KERNEL, dma); - if (dtd == NULL) - return dtd; - dtd->dtd_dma = *dma; - - /* initialize buffer page pointers */ - buf_ptr = (u32)(req->req.dma + req->req.actual); - for (i = 0; i < 5; i++) - dtd->dtd_buf[i] = cpu_to_le32(buf_ptr + i * PAGE_SIZE); - - req->req.actual += *length; - - /* fill in total bytes with transfer size */ - dtd->dtd_total = cpu_to_le16(*length); - dev_vdbg(&dev->pdev->dev, "dtd->dtd_total = %d\n", dtd->dtd_total); - - /* set is_last flag if req->req.zero is set or not */ - if (req->req.zero) { - if (*length == 0 || (*length % req->ep->ep.maxpacket) != 0) - *is_last = 1; - else - *is_last = 0; - } else if (req->req.length == req->req.actual) { - *is_last = 1; - } else - *is_last = 0; - - if (*is_last == 0) - dev_vdbg(&dev->pdev->dev, "multi-dtd request!\n"); - - /* set interrupt on complete bit for the last dTD */ - if (*is_last && !req->req.no_interrupt) - dtd->dtd_ioc = 1; - - /* set multiplier override 0 for non-ISO and non-TX endpoint */ - dtd->dtd_multo = 0; - - /* set the active bit of status field to 1 */ - dtd->dtd_status = DTD_STS_ACTIVE; - dev_vdbg(&dev->pdev->dev, "dtd->dtd_status = 0x%02x\n", - dtd->dtd_status); - - dev_vdbg(&dev->pdev->dev, "length = %d, dma addr= 0x%08x\n", - *length, (int)*dma); - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return dtd; -} - - -/* generate dTD linked list for a request */ -static int req_to_dtd(struct langwell_request *req) -{ - unsigned count; - int is_last, is_first = 1; - struct langwell_dtd *dtd, *last_dtd = NULL; - struct langwell_udc *dev; - dma_addr_t dma; - - dev = req->ep->dev; - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - do { - dtd = build_dtd(req, &count, &dma, &is_last); - if (dtd == NULL) - return -ENOMEM; - - if (is_first) { - is_first = 0; - req->head = dtd; - } else { - last_dtd->dtd_next = cpu_to_le32(dma); - last_dtd->next_dtd_virt = dtd; - } - last_dtd = dtd; - req->dtd_count++; - } while (!is_last); - - /* set terminate bit to 1 for the last dTD */ - dtd->dtd_next = DTD_TERM; - - req->tail = dtd; - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return 0; -} - -/*-------------------------------------------------------------------------*/ - -/* queue (submits) an I/O requests to an endpoint */ -static int langwell_ep_queue(struct usb_ep *_ep, struct usb_request *_req, - gfp_t gfp_flags) -{ - struct langwell_request *req; - struct langwell_ep *ep; - struct langwell_udc *dev; - unsigned long flags; - int is_iso = 0; - int ret; - - /* always require a cpu-view buffer */ - req = container_of(_req, struct langwell_request, req); - ep = container_of(_ep, struct langwell_ep, ep); - - if (!_req || !_req->complete || !_req->buf - || !list_empty(&req->queue)) { - return -EINVAL; - } - - if (unlikely(!_ep || !ep->ep.desc)) - return -EINVAL; - - dev = ep->dev; - req->ep = ep; - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - if (usb_endpoint_xfer_isoc(ep->ep.desc)) { - if (req->req.length > ep->ep.maxpacket) - return -EMSGSIZE; - is_iso = 1; - } - - if (unlikely(!dev->driver || dev->gadget.speed == USB_SPEED_UNKNOWN)) - return -ESHUTDOWN; - - /* set up dma mapping */ - ret = usb_gadget_map_request(&dev->gadget, &req->req, is_in(ep)); - if (ret) - return ret; - - dev_dbg(&dev->pdev->dev, - "%s queue req %p, len %u, buf %p, dma 0x%08x\n", - _ep->name, - _req, _req->length, _req->buf, (int)_req->dma); - - _req->status = -EINPROGRESS; - _req->actual = 0; - req->dtd_count = 0; - - spin_lock_irqsave(&dev->lock, flags); - - /* build and put dTDs to endpoint queue */ - if (!req_to_dtd(req)) { - queue_dtd(ep, req); - } else { - spin_unlock_irqrestore(&dev->lock, flags); - return -ENOMEM; - } - - /* update ep0 state */ - if (ep->ep_num == 0) - dev->ep0_state = DATA_STATE_XMIT; - - if (likely(req != NULL)) { - list_add_tail(&req->queue, &ep->queue); - dev_vdbg(&dev->pdev->dev, "list_add_tail()\n"); - } - - spin_unlock_irqrestore(&dev->lock, flags); - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return 0; -} - - -/* dequeue (cancels, unlinks) an I/O request from an endpoint */ -static int langwell_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req) -{ - struct langwell_ep *ep; - struct langwell_udc *dev; - struct langwell_request *req; - unsigned long flags; - int stopped, ep_num, retval = 0; - u32 endptctrl; - - ep = container_of(_ep, struct langwell_ep, ep); - dev = ep->dev; - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - if (!_ep || !ep->ep.desc || !_req) - return -EINVAL; - - if (!dev->driver) - return -ESHUTDOWN; - - spin_lock_irqsave(&dev->lock, flags); - stopped = ep->stopped; - - /* quiesce dma while we patch the queue */ - ep->stopped = 1; - ep_num = ep->ep_num; - - /* disable endpoint control register */ - endptctrl = readl(&dev->op_regs->endptctrl[ep_num]); - if (is_in(ep)) - endptctrl &= ~EPCTRL_TXE; - else - endptctrl &= ~EPCTRL_RXE; - writel(endptctrl, &dev->op_regs->endptctrl[ep_num]); - - /* make sure it's still queued on this endpoint */ - list_for_each_entry(req, &ep->queue, queue) { - if (&req->req == _req) - break; - } - - if (&req->req != _req) { - retval = -EINVAL; - goto done; - } - - /* queue head may be partially complete. */ - if (ep->queue.next == &req->queue) { - dev_dbg(&dev->pdev->dev, "unlink (%s) dma\n", _ep->name); - _req->status = -ECONNRESET; - langwell_ep_fifo_flush(&ep->ep); - - /* not the last request in endpoint queue */ - if (likely(ep->queue.next == &req->queue)) { - struct langwell_dqh *dqh; - struct langwell_request *next_req; - - dqh = ep->dqh; - next_req = list_entry(req->queue.next, - struct langwell_request, queue); - - /* point the dQH to the first dTD of next request */ - writel((u32) next_req->head, &dqh->dqh_current); - } - } else { - struct langwell_request *prev_req; - - prev_req = list_entry(req->queue.prev, - struct langwell_request, queue); - writel(readl(&req->tail->dtd_next), - &prev_req->tail->dtd_next); - } - - done(ep, req, -ECONNRESET); - -done: - /* enable endpoint again */ - endptctrl = readl(&dev->op_regs->endptctrl[ep_num]); - if (is_in(ep)) - endptctrl |= EPCTRL_TXE; - else - endptctrl |= EPCTRL_RXE; - writel(endptctrl, &dev->op_regs->endptctrl[ep_num]); - - ep->stopped = stopped; - spin_unlock_irqrestore(&dev->lock, flags); - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return retval; -} - - -/*-------------------------------------------------------------------------*/ - -/* endpoint set/clear halt */ -static void ep_set_halt(struct langwell_ep *ep, int value) -{ - u32 endptctrl = 0; - int ep_num; - struct langwell_udc *dev = ep->dev; - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - ep_num = ep->ep_num; - endptctrl = readl(&dev->op_regs->endptctrl[ep_num]); - - /* value: 1 - set halt, 0 - clear halt */ - if (value) { - /* set the stall bit */ - if (is_in(ep)) - endptctrl |= EPCTRL_TXS; - else - endptctrl |= EPCTRL_RXS; - } else { - /* clear the stall bit and reset data toggle */ - if (is_in(ep)) { - endptctrl &= ~EPCTRL_TXS; - endptctrl |= EPCTRL_TXR; - } else { - endptctrl &= ~EPCTRL_RXS; - endptctrl |= EPCTRL_RXR; - } - } - - writel(endptctrl, &dev->op_regs->endptctrl[ep_num]); - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); -} - - -/* set the endpoint halt feature */ -static int langwell_ep_set_halt(struct usb_ep *_ep, int value) -{ - struct langwell_ep *ep; - struct langwell_udc *dev; - unsigned long flags; - int retval = 0; - - ep = container_of(_ep, struct langwell_ep, ep); - dev = ep->dev; - - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - if (!_ep || !ep->ep.desc) - return -EINVAL; - - if (!dev->driver || dev->gadget.speed == USB_SPEED_UNKNOWN) - return -ESHUTDOWN; - - if (usb_endpoint_xfer_isoc(ep->ep.desc)) - return -EOPNOTSUPP; - - spin_lock_irqsave(&dev->lock, flags); - - /* - * attempt to halt IN ep will fail if any transfer requests - * are still queue - */ - if (!list_empty(&ep->queue) && is_in(ep) && value) { - /* IN endpoint FIFO holds bytes */ - dev_dbg(&dev->pdev->dev, "%s FIFO holds bytes\n", _ep->name); - retval = -EAGAIN; - goto done; - } - - /* endpoint set/clear halt */ - if (ep->ep_num) { - ep_set_halt(ep, value); - } else { /* endpoint 0 */ - dev->ep0_state = WAIT_FOR_SETUP; - dev->ep0_dir = USB_DIR_OUT; - } -done: - spin_unlock_irqrestore(&dev->lock, flags); - dev_dbg(&dev->pdev->dev, "%s %s halt\n", - _ep->name, value ? "set" : "clear"); - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return retval; -} - - -/* set the halt feature and ignores clear requests */ -static int langwell_ep_set_wedge(struct usb_ep *_ep) -{ - struct langwell_ep *ep; - struct langwell_udc *dev; - - ep = container_of(_ep, struct langwell_ep, ep); - dev = ep->dev; - - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - if (!_ep || !ep->ep.desc) - return -EINVAL; - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return usb_ep_set_halt(_ep); -} - - -/* flush contents of a fifo */ -static void langwell_ep_fifo_flush(struct usb_ep *_ep) -{ - struct langwell_ep *ep; - struct langwell_udc *dev; - u32 flush_bit; - unsigned long timeout; - - ep = container_of(_ep, struct langwell_ep, ep); - dev = ep->dev; - - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - if (!_ep || !ep->ep.desc) { - dev_vdbg(&dev->pdev->dev, "ep or ep->ep.desc is NULL\n"); - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return; - } - - dev_vdbg(&dev->pdev->dev, "%s-%s fifo flush\n", - _ep->name, DIR_STRING(ep)); - - /* flush endpoint buffer */ - if (ep->ep_num == 0) - flush_bit = (1 << 16) | 1; - else if (is_in(ep)) - flush_bit = 1 << (ep->ep_num + 16); /* TX */ - else - flush_bit = 1 << ep->ep_num; /* RX */ - - /* wait until flush complete */ - timeout = jiffies + FLUSH_TIMEOUT; - do { - writel(flush_bit, &dev->op_regs->endptflush); - while (readl(&dev->op_regs->endptflush)) { - if (time_after(jiffies, timeout)) { - dev_err(&dev->pdev->dev, "ep flush timeout\n"); - goto done; - } - cpu_relax(); - } - } while (readl(&dev->op_regs->endptstat) & flush_bit); -done: - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); -} - - -/* endpoints operations structure */ -static const struct usb_ep_ops langwell_ep_ops = { - - /* configure endpoint, making it usable */ - .enable = langwell_ep_enable, - - /* endpoint is no longer usable */ - .disable = langwell_ep_disable, - - /* allocate a request object to use with this endpoint */ - .alloc_request = langwell_alloc_request, - - /* free a request object */ - .free_request = langwell_free_request, - - /* queue (submits) an I/O requests to an endpoint */ - .queue = langwell_ep_queue, - - /* dequeue (cancels, unlinks) an I/O request from an endpoint */ - .dequeue = langwell_ep_dequeue, - - /* set the endpoint halt feature */ - .set_halt = langwell_ep_set_halt, - - /* set the halt feature and ignores clear requests */ - .set_wedge = langwell_ep_set_wedge, - - /* flush contents of a fifo */ - .fifo_flush = langwell_ep_fifo_flush, -}; - - -/*-------------------------------------------------------------------------*/ - -/* device controller usb_gadget_ops structure */ - -/* returns the current frame number */ -static int langwell_get_frame(struct usb_gadget *_gadget) -{ - struct langwell_udc *dev; - u16 retval; - - if (!_gadget) - return -ENODEV; - - dev = container_of(_gadget, struct langwell_udc, gadget); - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - retval = readl(&dev->op_regs->frindex) & FRINDEX_MASK; - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return retval; -} - - -/* enter or exit PHY low power state */ -static void langwell_phy_low_power(struct langwell_udc *dev, bool flag) -{ - u32 devlc; - u8 devlc_byte2; - dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__); - - devlc = readl(&dev->op_regs->devlc); - dev_vdbg(&dev->pdev->dev, "devlc = 0x%08x\n", devlc); - - if (flag) - devlc |= LPM_PHCD; - else - devlc &= ~LPM_PHCD; - - /* FIXME: workaround for Langwell A1/A2/A3 sighting */ - devlc_byte2 = (devlc >> 16) & 0xff; - writeb(devlc_byte2, (u8 *)&dev->op_regs->devlc + 2); - - devlc = readl(&dev->op_regs->devlc); - dev_vdbg(&dev->pdev->dev, - "%s PHY low power suspend, devlc = 0x%08x\n", - flag ? "enter" : "exit", devlc); -} - - -/* tries to wake up the host connected to this gadget */ -static int langwell_wakeup(struct usb_gadget *_gadget) -{ - struct langwell_udc *dev; - u32 portsc1; - unsigned long flags; - - if (!_gadget) - return 0; - - dev = container_of(_gadget, struct langwell_udc, gadget); - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - /* remote wakeup feature not enabled by host */ - if (!dev->remote_wakeup) { - dev_info(&dev->pdev->dev, "remote wakeup is disabled\n"); - return -ENOTSUPP; - } - - spin_lock_irqsave(&dev->lock, flags); - - portsc1 = readl(&dev->op_regs->portsc1); - if (!(portsc1 & PORTS_SUSP)) { - spin_unlock_irqrestore(&dev->lock, flags); - return 0; - } - - /* LPM L1 to L0 or legacy remote wakeup */ - if (dev->lpm && dev->lpm_state == LPM_L1) - dev_info(&dev->pdev->dev, "LPM L1 to L0 remote wakeup\n"); - else - dev_info(&dev->pdev->dev, "device remote wakeup\n"); - - /* exit PHY low power suspend */ - if (dev->pdev->device != 0x0829) - langwell_phy_low_power(dev, 0); - - /* force port resume */ - portsc1 |= PORTS_FPR; - writel(portsc1, &dev->op_regs->portsc1); - - spin_unlock_irqrestore(&dev->lock, flags); - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return 0; -} - - -/* notify controller that VBUS is powered or not */ -static int langwell_vbus_session(struct usb_gadget *_gadget, int is_active) -{ - struct langwell_udc *dev; - unsigned long flags; - u32 usbcmd; - - if (!_gadget) - return -ENODEV; - - dev = container_of(_gadget, struct langwell_udc, gadget); - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - spin_lock_irqsave(&dev->lock, flags); - dev_vdbg(&dev->pdev->dev, "VBUS status: %s\n", - is_active ? "on" : "off"); - - dev->vbus_active = (is_active != 0); - if (dev->driver && dev->softconnected && dev->vbus_active) { - usbcmd = readl(&dev->op_regs->usbcmd); - usbcmd |= CMD_RUNSTOP; - writel(usbcmd, &dev->op_regs->usbcmd); - } else { - usbcmd = readl(&dev->op_regs->usbcmd); - usbcmd &= ~CMD_RUNSTOP; - writel(usbcmd, &dev->op_regs->usbcmd); - } - - spin_unlock_irqrestore(&dev->lock, flags); - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return 0; -} - - -/* constrain controller's VBUS power usage */ -static int langwell_vbus_draw(struct usb_gadget *_gadget, unsigned mA) -{ - struct langwell_udc *dev; - - if (!_gadget) - return -ENODEV; - - dev = container_of(_gadget, struct langwell_udc, gadget); - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - if (dev->transceiver) { - dev_vdbg(&dev->pdev->dev, "usb_phy_set_power\n"); - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return usb_phy_set_power(dev->transceiver, mA); - } - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return -ENOTSUPP; -} - - -/* D+ pullup, software-controlled connect/disconnect to USB host */ -static int langwell_pullup(struct usb_gadget *_gadget, int is_on) -{ - struct langwell_udc *dev; - u32 usbcmd; - unsigned long flags; - - if (!_gadget) - return -ENODEV; - - dev = container_of(_gadget, struct langwell_udc, gadget); - - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - spin_lock_irqsave(&dev->lock, flags); - dev->softconnected = (is_on != 0); - - if (dev->driver && dev->softconnected && dev->vbus_active) { - usbcmd = readl(&dev->op_regs->usbcmd); - usbcmd |= CMD_RUNSTOP; - writel(usbcmd, &dev->op_regs->usbcmd); - } else { - usbcmd = readl(&dev->op_regs->usbcmd); - usbcmd &= ~CMD_RUNSTOP; - writel(usbcmd, &dev->op_regs->usbcmd); - } - spin_unlock_irqrestore(&dev->lock, flags); - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return 0; -} - -static int langwell_start(struct usb_gadget *g, - struct usb_gadget_driver *driver); - -static int langwell_stop(struct usb_gadget *g, - struct usb_gadget_driver *driver); - -/* device controller usb_gadget_ops structure */ -static const struct usb_gadget_ops langwell_ops = { - - /* returns the current frame number */ - .get_frame = langwell_get_frame, - - /* tries to wake up the host connected to this gadget */ - .wakeup = langwell_wakeup, - - /* set the device selfpowered feature, always selfpowered */ - /* .set_selfpowered = langwell_set_selfpowered, */ - - /* notify controller that VBUS is powered or not */ - .vbus_session = langwell_vbus_session, - - /* constrain controller's VBUS power usage */ - .vbus_draw = langwell_vbus_draw, - - /* D+ pullup, software-controlled connect/disconnect to USB host */ - .pullup = langwell_pullup, - - .udc_start = langwell_start, - .udc_stop = langwell_stop, -}; - - -/*-------------------------------------------------------------------------*/ - -/* device controller operations */ - -/* reset device controller */ -static int langwell_udc_reset(struct langwell_udc *dev) -{ - u32 usbcmd, usbmode, devlc, endpointlistaddr; - u8 devlc_byte0, devlc_byte2; - unsigned long timeout; - - if (!dev) - return -EINVAL; - - dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__); - - /* set controller to stop state */ - usbcmd = readl(&dev->op_regs->usbcmd); - usbcmd &= ~CMD_RUNSTOP; - writel(usbcmd, &dev->op_regs->usbcmd); - - /* reset device controller */ - usbcmd = readl(&dev->op_regs->usbcmd); - usbcmd |= CMD_RST; - writel(usbcmd, &dev->op_regs->usbcmd); - - /* wait for reset to complete */ - timeout = jiffies + RESET_TIMEOUT; - while (readl(&dev->op_regs->usbcmd) & CMD_RST) { - if (time_after(jiffies, timeout)) { - dev_err(&dev->pdev->dev, "device reset timeout\n"); - return -ETIMEDOUT; - } - cpu_relax(); - } - - /* set controller to device mode */ - usbmode = readl(&dev->op_regs->usbmode); - usbmode |= MODE_DEVICE; - - /* turn setup lockout off, require setup tripwire in usbcmd */ - usbmode |= MODE_SLOM; - - writel(usbmode, &dev->op_regs->usbmode); - usbmode = readl(&dev->op_regs->usbmode); - dev_vdbg(&dev->pdev->dev, "usbmode=0x%08x\n", usbmode); - - /* Write-Clear setup status */ - writel(0, &dev->op_regs->usbsts); - - /* if support USB LPM, ACK all LPM token */ - if (dev->lpm) { - devlc = readl(&dev->op_regs->devlc); - dev_vdbg(&dev->pdev->dev, "devlc = 0x%08x\n", devlc); - /* FIXME: workaround for Langwell A1/A2/A3 sighting */ - devlc &= ~LPM_STL; /* don't STALL LPM token */ - devlc &= ~LPM_NYT_ACK; /* ACK LPM token */ - devlc_byte0 = devlc & 0xff; - devlc_byte2 = (devlc >> 16) & 0xff; - writeb(devlc_byte0, (u8 *)&dev->op_regs->devlc); - writeb(devlc_byte2, (u8 *)&dev->op_regs->devlc + 2); - devlc = readl(&dev->op_regs->devlc); - dev_vdbg(&dev->pdev->dev, - "ACK LPM token, devlc = 0x%08x\n", devlc); - } - - /* fill endpointlistaddr register */ - endpointlistaddr = dev->ep_dqh_dma; - endpointlistaddr &= ENDPOINTLISTADDR_MASK; - writel(endpointlistaddr, &dev->op_regs->endpointlistaddr); - - dev_vdbg(&dev->pdev->dev, - "dQH base (vir: %p, phy: 0x%08x), endpointlistaddr=0x%08x\n", - dev->ep_dqh, endpointlistaddr, - readl(&dev->op_regs->endpointlistaddr)); - dev_dbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return 0; -} - - -/* reinitialize device controller endpoints */ -static int eps_reinit(struct langwell_udc *dev) -{ - struct langwell_ep *ep; - char name[14]; - int i; - - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - /* initialize ep0 */ - ep = &dev->ep[0]; - ep->dev = dev; - strncpy(ep->name, "ep0", sizeof(ep->name)); - ep->ep.name = ep->name; - ep->ep.ops = &langwell_ep_ops; - ep->stopped = 0; - ep->ep.maxpacket = EP0_MAX_PKT_SIZE; - ep->ep_num = 0; - ep->ep.desc = &langwell_ep0_desc; - INIT_LIST_HEAD(&ep->queue); - - ep->ep_type = USB_ENDPOINT_XFER_CONTROL; - - /* initialize other endpoints */ - for (i = 2; i < dev->ep_max; i++) { - ep = &dev->ep[i]; - if (i % 2) - snprintf(name, sizeof(name), "ep%din", i / 2); - else - snprintf(name, sizeof(name), "ep%dout", i / 2); - ep->dev = dev; - strncpy(ep->name, name, sizeof(ep->name)); - ep->ep.name = ep->name; - - ep->ep.ops = &langwell_ep_ops; - ep->stopped = 0; - ep->ep.maxpacket = (unsigned short) ~0; - ep->ep_num = i / 2; - - INIT_LIST_HEAD(&ep->queue); - list_add_tail(&ep->ep.ep_list, &dev->gadget.ep_list); - } - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return 0; -} - - -/* enable interrupt and set controller to run state */ -static void langwell_udc_start(struct langwell_udc *dev) -{ - u32 usbintr, usbcmd; - dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__); - - /* enable interrupts */ - usbintr = INTR_ULPIE /* ULPI */ - | INTR_SLE /* suspend */ - /* | INTR_SRE SOF received */ - | INTR_URE /* USB reset */ - | INTR_AAE /* async advance */ - | INTR_SEE /* system error */ - | INTR_FRE /* frame list rollover */ - | INTR_PCE /* port change detect */ - | INTR_UEE /* USB error interrupt */ - | INTR_UE; /* USB interrupt */ - writel(usbintr, &dev->op_regs->usbintr); - - /* clear stopped bit */ - dev->stopped = 0; - - /* set controller to run */ - usbcmd = readl(&dev->op_regs->usbcmd); - usbcmd |= CMD_RUNSTOP; - writel(usbcmd, &dev->op_regs->usbcmd); - - dev_dbg(&dev->pdev->dev, "<--- %s()\n", __func__); -} - - -/* disable interrupt and set controller to stop state */ -static void langwell_udc_stop(struct langwell_udc *dev) -{ - u32 usbcmd; - - dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__); - - /* disable all interrupts */ - writel(0, &dev->op_regs->usbintr); - - /* set stopped bit */ - dev->stopped = 1; - - /* set controller to stop state */ - usbcmd = readl(&dev->op_regs->usbcmd); - usbcmd &= ~CMD_RUNSTOP; - writel(usbcmd, &dev->op_regs->usbcmd); - - dev_dbg(&dev->pdev->dev, "<--- %s()\n", __func__); -} - - -/* stop all USB activities */ -static void stop_activity(struct langwell_udc *dev) -{ - struct langwell_ep *ep; - dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__); - - nuke(&dev->ep[0], -ESHUTDOWN); - - list_for_each_entry(ep, &dev->gadget.ep_list, ep.ep_list) { - nuke(ep, -ESHUTDOWN); - } - - /* report disconnect; the driver is already quiesced */ - if (dev->driver) { - spin_unlock(&dev->lock); - dev->driver->disconnect(&dev->gadget); - spin_lock(&dev->lock); - } - - dev_dbg(&dev->pdev->dev, "<--- %s()\n", __func__); -} - - -/*-------------------------------------------------------------------------*/ - -/* device "function" sysfs attribute file */ -static ssize_t show_function(struct device *_dev, - struct device_attribute *attr, char *buf) -{ - struct langwell_udc *dev = dev_get_drvdata(_dev); - - if (!dev->driver || !dev->driver->function - || strlen(dev->driver->function) > PAGE_SIZE) - return 0; - - return scnprintf(buf, PAGE_SIZE, "%s\n", dev->driver->function); -} -static DEVICE_ATTR(function, S_IRUGO, show_function, NULL); - - -static inline enum usb_device_speed lpm_device_speed(u32 reg) -{ - switch (LPM_PSPD(reg)) { - case LPM_SPEED_HIGH: - return USB_SPEED_HIGH; - case LPM_SPEED_FULL: - return USB_SPEED_FULL; - case LPM_SPEED_LOW: - return USB_SPEED_LOW; - default: - return USB_SPEED_UNKNOWN; - } -} - -/* device "langwell_udc" sysfs attribute file */ -static ssize_t show_langwell_udc(struct device *_dev, - struct device_attribute *attr, char *buf) -{ - struct langwell_udc *dev = dev_get_drvdata(_dev); - struct langwell_request *req; - struct langwell_ep *ep = NULL; - char *next; - unsigned size; - unsigned t; - unsigned i; - unsigned long flags; - u32 tmp_reg; - - next = buf; - size = PAGE_SIZE; - spin_lock_irqsave(&dev->lock, flags); - - /* driver basic information */ - t = scnprintf(next, size, - DRIVER_DESC "\n" - "%s version: %s\n" - "Gadget driver: %s\n\n", - driver_name, DRIVER_VERSION, - dev->driver ? dev->driver->driver.name : "(none)"); - size -= t; - next += t; - - /* device registers */ - tmp_reg = readl(&dev->op_regs->usbcmd); - t = scnprintf(next, size, - "USBCMD reg:\n" - "SetupTW: %d\n" - "Run/Stop: %s\n\n", - (tmp_reg & CMD_SUTW) ? 1 : 0, - (tmp_reg & CMD_RUNSTOP) ? "Run" : "Stop"); - size -= t; - next += t; - - tmp_reg = readl(&dev->op_regs->usbsts); - t = scnprintf(next, size, - "USB Status Reg:\n" - "Device Suspend: %d\n" - "Reset Received: %d\n" - "System Error: %s\n" - "USB Error Interrupt: %s\n\n", - (tmp_reg & STS_SLI) ? 1 : 0, - (tmp_reg & STS_URI) ? 1 : 0, - (tmp_reg & STS_SEI) ? "Error" : "No error", - (tmp_reg & STS_UEI) ? "Error detected" : "No error"); - size -= t; - next += t; - - tmp_reg = readl(&dev->op_regs->usbintr); - t = scnprintf(next, size, - "USB Intrrupt Enable Reg:\n" - "Sleep Enable: %d\n" - "SOF Received Enable: %d\n" - "Reset Enable: %d\n" - "System Error Enable: %d\n" - "Port Change Dectected Enable: %d\n" - "USB Error Intr Enable: %d\n" - "USB Intr Enable: %d\n\n", - (tmp_reg & INTR_SLE) ? 1 : 0, - (tmp_reg & INTR_SRE) ? 1 : 0, - (tmp_reg & INTR_URE) ? 1 : 0, - (tmp_reg & INTR_SEE) ? 1 : 0, - (tmp_reg & INTR_PCE) ? 1 : 0, - (tmp_reg & INTR_UEE) ? 1 : 0, - (tmp_reg & INTR_UE) ? 1 : 0); - size -= t; - next += t; - - tmp_reg = readl(&dev->op_regs->frindex); - t = scnprintf(next, size, - "USB Frame Index Reg:\n" - "Frame Number is 0x%08x\n\n", - (tmp_reg & FRINDEX_MASK)); - size -= t; - next += t; - - tmp_reg = readl(&dev->op_regs->deviceaddr); - t = scnprintf(next, size, - "USB Device Address Reg:\n" - "Device Addr is 0x%x\n\n", - USBADR(tmp_reg)); - size -= t; - next += t; - - tmp_reg = readl(&dev->op_regs->endpointlistaddr); - t = scnprintf(next, size, - "USB Endpoint List Address Reg:\n" - "Endpoint List Pointer is 0x%x\n\n", - EPBASE(tmp_reg)); - size -= t; - next += t; - - tmp_reg = readl(&dev->op_regs->portsc1); - t = scnprintf(next, size, - "USB Port Status & Control Reg:\n" - "Port Reset: %s\n" - "Port Suspend Mode: %s\n" - "Over-current Change: %s\n" - "Port Enable/Disable Change: %s\n" - "Port Enabled/Disabled: %s\n" - "Current Connect Status: %s\n" - "LPM Suspend Status: %s\n\n", - (tmp_reg & PORTS_PR) ? "Reset" : "Not Reset", - (tmp_reg & PORTS_SUSP) ? "Suspend " : "Not Suspend", - (tmp_reg & PORTS_OCC) ? "Detected" : "No", - (tmp_reg & PORTS_PEC) ? "Changed" : "Not Changed", - (tmp_reg & PORTS_PE) ? "Enable" : "Not Correct", - (tmp_reg & PORTS_CCS) ? "Attached" : "Not Attached", - (tmp_reg & PORTS_SLP) ? "LPM L1" : "LPM L0"); - size -= t; - next += t; - - tmp_reg = readl(&dev->op_regs->devlc); - t = scnprintf(next, size, - "Device LPM Control Reg:\n" - "Parallel Transceiver : %d\n" - "Serial Transceiver : %d\n" - "Port Speed: %s\n" - "Port Force Full Speed Connenct: %s\n" - "PHY Low Power Suspend Clock: %s\n" - "BmAttributes: %d\n\n", - LPM_PTS(tmp_reg), - (tmp_reg & LPM_STS) ? 1 : 0, - usb_speed_string(lpm_device_speed(tmp_reg)), - (tmp_reg & LPM_PFSC) ? "Force Full Speed" : "Not Force", - (tmp_reg & LPM_PHCD) ? "Disabled" : "Enabled", - LPM_BA(tmp_reg)); - size -= t; - next += t; - - tmp_reg = readl(&dev->op_regs->usbmode); - t = scnprintf(next, size, - "USB Mode Reg:\n" - "Controller Mode is : %s\n\n", ({ - char *s; - switch (MODE_CM(tmp_reg)) { - case MODE_IDLE: - s = "Idle"; break; - case MODE_DEVICE: - s = "Device Controller"; break; - case MODE_HOST: - s = "Host Controller"; break; - default: - s = "None"; break; - } - s; - })); - size -= t; - next += t; - - tmp_reg = readl(&dev->op_regs->endptsetupstat); - t = scnprintf(next, size, - "Endpoint Setup Status Reg:\n" - "SETUP on ep 0x%04x\n\n", - tmp_reg & SETUPSTAT_MASK); - size -= t; - next += t; - - for (i = 0; i < dev->ep_max / 2; i++) { - tmp_reg = readl(&dev->op_regs->endptctrl[i]); - t = scnprintf(next, size, "EP Ctrl Reg [%d]: 0x%08x\n", - i, tmp_reg); - size -= t; - next += t; - } - tmp_reg = readl(&dev->op_regs->endptprime); - t = scnprintf(next, size, "EP Prime Reg: 0x%08x\n\n", tmp_reg); - size -= t; - next += t; - - /* langwell_udc, langwell_ep, langwell_request structure information */ - ep = &dev->ep[0]; - t = scnprintf(next, size, "%s MaxPacketSize: 0x%x, ep_num: %d\n", - ep->ep.name, ep->ep.maxpacket, ep->ep_num); - size -= t; - next += t; - - if (list_empty(&ep->queue)) { - t = scnprintf(next, size, "its req queue is empty\n\n"); - size -= t; - next += t; - } else { - list_for_each_entry(req, &ep->queue, queue) { - t = scnprintf(next, size, - "req %p actual 0x%x length 0x%x buf %p\n", - &req->req, req->req.actual, - req->req.length, req->req.buf); - size -= t; - next += t; - } - } - /* other gadget->eplist ep */ - list_for_each_entry(ep, &dev->gadget.ep_list, ep.ep_list) { - if (ep->ep.desc) { - t = scnprintf(next, size, - "\n%s MaxPacketSize: 0x%x, " - "ep_num: %d\n", - ep->ep.name, ep->ep.maxpacket, - ep->ep_num); - size -= t; - next += t; - - if (list_empty(&ep->queue)) { - t = scnprintf(next, size, - "its req queue is empty\n\n"); - size -= t; - next += t; - } else { - list_for_each_entry(req, &ep->queue, queue) { - t = scnprintf(next, size, - "req %p actual 0x%x length " - "0x%x buf %p\n", - &req->req, req->req.actual, - req->req.length, req->req.buf); - size -= t; - next += t; - } - } - } - } - - spin_unlock_irqrestore(&dev->lock, flags); - return PAGE_SIZE - size; -} -static DEVICE_ATTR(langwell_udc, S_IRUGO, show_langwell_udc, NULL); - - -/* device "remote_wakeup" sysfs attribute file */ -static ssize_t store_remote_wakeup(struct device *_dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - struct langwell_udc *dev = dev_get_drvdata(_dev); - unsigned long flags; - ssize_t rc = count; - - if (count > 2) - return -EINVAL; - - if (count > 0 && buf[count-1] == '\n') - ((char *) buf)[count-1] = 0; - - if (buf[0] != '1') - return -EINVAL; - - /* force remote wakeup enabled in case gadget driver doesn't support */ - spin_lock_irqsave(&dev->lock, flags); - dev->remote_wakeup = 1; - dev->dev_status |= (1 << USB_DEVICE_REMOTE_WAKEUP); - spin_unlock_irqrestore(&dev->lock, flags); - - langwell_wakeup(&dev->gadget); - - return rc; -} -static DEVICE_ATTR(remote_wakeup, S_IWUSR, NULL, store_remote_wakeup); - - -/*-------------------------------------------------------------------------*/ - -/* - * when a driver is successfully registered, it will receive - * control requests including set_configuration(), which enables - * non-control requests. then usb traffic follows until a - * disconnect is reported. then a host may connect again, or - * the driver might get unbound. - */ - -static int langwell_start(struct usb_gadget *g, - struct usb_gadget_driver *driver) -{ - struct langwell_udc *dev = gadget_to_langwell(g); - unsigned long flags; - int retval; - - dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__); - - spin_lock_irqsave(&dev->lock, flags); - - /* hook up the driver ... */ - driver->driver.bus = NULL; - dev->driver = driver; - dev->gadget.dev.driver = &driver->driver; - - spin_unlock_irqrestore(&dev->lock, flags); - - retval = device_create_file(&dev->pdev->dev, &dev_attr_function); - if (retval) - goto err; - - dev->usb_state = USB_STATE_ATTACHED; - dev->ep0_state = WAIT_FOR_SETUP; - dev->ep0_dir = USB_DIR_OUT; - - /* enable interrupt and set controller to run state */ - if (dev->got_irq) - langwell_udc_start(dev); - - dev_vdbg(&dev->pdev->dev, - "After langwell_udc_start(), print all registers:\n"); - print_all_registers(dev); - - dev_info(&dev->pdev->dev, "register driver: %s\n", - driver->driver.name); - dev_dbg(&dev->pdev->dev, "<--- %s()\n", __func__); - - return 0; - -err: - dev->gadget.dev.driver = NULL; - dev->driver = NULL; - - dev_dbg(&dev->pdev->dev, "<--- %s()\n", __func__); - - return retval; -} - -/* unregister gadget driver */ -static int langwell_stop(struct usb_gadget *g, - struct usb_gadget_driver *driver) -{ - struct langwell_udc *dev = gadget_to_langwell(g); - unsigned long flags; - - dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__); - - /* exit PHY low power suspend */ - if (dev->pdev->device != 0x0829) - langwell_phy_low_power(dev, 0); - - /* unbind OTG transceiver */ - if (dev->transceiver) - (void)otg_set_peripheral(dev->transceiver->otg, 0); - - /* disable interrupt and set controller to stop state */ - langwell_udc_stop(dev); - - dev->usb_state = USB_STATE_ATTACHED; - dev->ep0_state = WAIT_FOR_SETUP; - dev->ep0_dir = USB_DIR_OUT; - - spin_lock_irqsave(&dev->lock, flags); - - /* stop all usb activities */ - dev->gadget.speed = USB_SPEED_UNKNOWN; - dev->gadget.dev.driver = NULL; - dev->driver = NULL; - stop_activity(dev); - spin_unlock_irqrestore(&dev->lock, flags); - - device_remove_file(&dev->pdev->dev, &dev_attr_function); - - dev_info(&dev->pdev->dev, "unregistered driver '%s'\n", - driver->driver.name); - dev_dbg(&dev->pdev->dev, "<--- %s()\n", __func__); - - return 0; -} - -/*-------------------------------------------------------------------------*/ - -/* - * setup tripwire is used as a semaphore to ensure that the setup data - * payload is extracted from a dQH without being corrupted - */ -static void setup_tripwire(struct langwell_udc *dev) -{ - u32 usbcmd, - endptsetupstat; - unsigned long timeout; - struct langwell_dqh *dqh; - - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - /* ep0 OUT dQH */ - dqh = &dev->ep_dqh[EP_DIR_OUT]; - - /* Write-Clear endptsetupstat */ - endptsetupstat = readl(&dev->op_regs->endptsetupstat); - writel(endptsetupstat, &dev->op_regs->endptsetupstat); - - /* wait until endptsetupstat is cleared */ - timeout = jiffies + SETUPSTAT_TIMEOUT; - while (readl(&dev->op_regs->endptsetupstat)) { - if (time_after(jiffies, timeout)) { - dev_err(&dev->pdev->dev, "setup_tripwire timeout\n"); - break; - } - cpu_relax(); - } - - /* while a hazard exists when setup packet arrives */ - do { - /* set setup tripwire bit */ - usbcmd = readl(&dev->op_regs->usbcmd); - writel(usbcmd | CMD_SUTW, &dev->op_regs->usbcmd); - - /* copy the setup packet to local buffer */ - memcpy(&dev->local_setup_buff, &dqh->dqh_setup, 8); - } while (!(readl(&dev->op_regs->usbcmd) & CMD_SUTW)); - - /* Write-Clear setup tripwire bit */ - usbcmd = readl(&dev->op_regs->usbcmd); - writel(usbcmd & ~CMD_SUTW, &dev->op_regs->usbcmd); - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); -} - - -/* protocol ep0 stall, will automatically be cleared on new transaction */ -static void ep0_stall(struct langwell_udc *dev) -{ - u32 endptctrl; - - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - /* set TX and RX to stall */ - endptctrl = readl(&dev->op_regs->endptctrl[0]); - endptctrl |= EPCTRL_TXS | EPCTRL_RXS; - writel(endptctrl, &dev->op_regs->endptctrl[0]); - - /* update ep0 state */ - dev->ep0_state = WAIT_FOR_SETUP; - dev->ep0_dir = USB_DIR_OUT; - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); -} - - -/* PRIME a status phase for ep0 */ -static int prime_status_phase(struct langwell_udc *dev, int dir) -{ - struct langwell_request *req; - struct langwell_ep *ep; - int status = 0; - - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - if (dir == EP_DIR_IN) - dev->ep0_dir = USB_DIR_IN; - else - dev->ep0_dir = USB_DIR_OUT; - - ep = &dev->ep[0]; - dev->ep0_state = WAIT_FOR_OUT_STATUS; - - req = dev->status_req; - - req->ep = ep; - req->req.length = 0; - req->req.status = -EINPROGRESS; - req->req.actual = 0; - req->req.complete = NULL; - req->dtd_count = 0; - - if (!req_to_dtd(req)) - status = queue_dtd(ep, req); - else - return -ENOMEM; - - if (status) - dev_err(&dev->pdev->dev, "can't queue ep0 status request\n"); - - list_add_tail(&req->queue, &ep->queue); - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return status; -} - - -/* SET_ADDRESS request routine */ -static void set_address(struct langwell_udc *dev, u16 value, - u16 index, u16 length) -{ - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - /* save the new address to device struct */ - dev->dev_addr = (u8) value; - dev_vdbg(&dev->pdev->dev, "dev->dev_addr = %d\n", dev->dev_addr); - - /* update usb state */ - dev->usb_state = USB_STATE_ADDRESS; - - /* STATUS phase */ - if (prime_status_phase(dev, EP_DIR_IN)) - ep0_stall(dev); - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); -} - - -/* return endpoint by windex */ -static struct langwell_ep *get_ep_by_windex(struct langwell_udc *dev, - u16 wIndex) -{ - struct langwell_ep *ep; - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - if ((wIndex & USB_ENDPOINT_NUMBER_MASK) == 0) - return &dev->ep[0]; - - list_for_each_entry(ep, &dev->gadget.ep_list, ep.ep_list) { - u8 bEndpointAddress; - if (!ep->ep.desc) - continue; - - bEndpointAddress = ep->ep.desc->bEndpointAddress; - if ((wIndex ^ bEndpointAddress) & USB_DIR_IN) - continue; - - if ((wIndex & USB_ENDPOINT_NUMBER_MASK) - == (bEndpointAddress & USB_ENDPOINT_NUMBER_MASK)) - return ep; - } - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return NULL; -} - - -/* return whether endpoint is stalled, 0: not stalled; 1: stalled */ -static int ep_is_stall(struct langwell_ep *ep) -{ - struct langwell_udc *dev = ep->dev; - u32 endptctrl; - int retval; - - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - endptctrl = readl(&dev->op_regs->endptctrl[ep->ep_num]); - if (is_in(ep)) - retval = endptctrl & EPCTRL_TXS ? 1 : 0; - else - retval = endptctrl & EPCTRL_RXS ? 1 : 0; - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return retval; -} - - -/* GET_STATUS request routine */ -static void get_status(struct langwell_udc *dev, u8 request_type, u16 value, - u16 index, u16 length) -{ - struct langwell_request *req; - struct langwell_ep *ep; - u16 status_data = 0; /* 16 bits cpu view status data */ - int status = 0; - - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - ep = &dev->ep[0]; - - if ((request_type & USB_RECIP_MASK) == USB_RECIP_DEVICE) { - /* get device status */ - status_data = dev->dev_status; - } else if ((request_type & USB_RECIP_MASK) == USB_RECIP_INTERFACE) { - /* get interface status */ - status_data = 0; - } else if ((request_type & USB_RECIP_MASK) == USB_RECIP_ENDPOINT) { - /* get endpoint status */ - struct langwell_ep *epn; - epn = get_ep_by_windex(dev, index); - /* stall if endpoint doesn't exist */ - if (!epn) - goto stall; - - status_data = ep_is_stall(epn) << USB_ENDPOINT_HALT; - } - - dev_dbg(&dev->pdev->dev, "get status data: 0x%04x\n", status_data); - - dev->ep0_dir = USB_DIR_IN; - - /* borrow the per device status_req */ - req = dev->status_req; - - /* fill in the reqest structure */ - *((u16 *) req->req.buf) = cpu_to_le16(status_data); - req->ep = ep; - req->req.length = 2; - req->req.status = -EINPROGRESS; - req->req.actual = 0; - req->req.complete = NULL; - req->dtd_count = 0; - - /* prime the data phase */ - if (!req_to_dtd(req)) - status = queue_dtd(ep, req); - else /* no mem */ - goto stall; - - if (status) { - dev_err(&dev->pdev->dev, - "response error on GET_STATUS request\n"); - goto stall; - } - - list_add_tail(&req->queue, &ep->queue); - dev->ep0_state = DATA_STATE_XMIT; - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return; -stall: - ep0_stall(dev); - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); -} - - -/* setup packet interrupt handler */ -static void handle_setup_packet(struct langwell_udc *dev, - struct usb_ctrlrequest *setup) -{ - u16 wValue = le16_to_cpu(setup->wValue); - u16 wIndex = le16_to_cpu(setup->wIndex); - u16 wLength = le16_to_cpu(setup->wLength); - u32 portsc1; - - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - /* ep0 fifo flush */ - nuke(&dev->ep[0], -ESHUTDOWN); - - dev_dbg(&dev->pdev->dev, "SETUP %02x.%02x v%04x i%04x l%04x\n", - setup->bRequestType, setup->bRequest, - wValue, wIndex, wLength); - - /* RNDIS gadget delegate */ - if ((setup->bRequestType == 0x21) && (setup->bRequest == 0x00)) { - /* USB_CDC_SEND_ENCAPSULATED_COMMAND */ - goto delegate; - } - - /* USB_CDC_GET_ENCAPSULATED_RESPONSE */ - if ((setup->bRequestType == 0xa1) && (setup->bRequest == 0x01)) { - /* USB_CDC_GET_ENCAPSULATED_RESPONSE */ - goto delegate; - } - - /* We process some stardard setup requests here */ - switch (setup->bRequest) { - case USB_REQ_GET_STATUS: - dev_dbg(&dev->pdev->dev, "SETUP: USB_REQ_GET_STATUS\n"); - /* get status, DATA and STATUS phase */ - if ((setup->bRequestType & (USB_DIR_IN | USB_TYPE_MASK)) - != (USB_DIR_IN | USB_TYPE_STANDARD)) - break; - get_status(dev, setup->bRequestType, wValue, wIndex, wLength); - goto end; - - case USB_REQ_SET_ADDRESS: - dev_dbg(&dev->pdev->dev, "SETUP: USB_REQ_SET_ADDRESS\n"); - /* STATUS phase */ - if (setup->bRequestType != (USB_DIR_OUT | USB_TYPE_STANDARD - | USB_RECIP_DEVICE)) - break; - set_address(dev, wValue, wIndex, wLength); - goto end; - - case USB_REQ_CLEAR_FEATURE: - case USB_REQ_SET_FEATURE: - /* STATUS phase */ - { - int rc = -EOPNOTSUPP; - if (setup->bRequest == USB_REQ_SET_FEATURE) - dev_dbg(&dev->pdev->dev, - "SETUP: USB_REQ_SET_FEATURE\n"); - else if (setup->bRequest == USB_REQ_CLEAR_FEATURE) - dev_dbg(&dev->pdev->dev, - "SETUP: USB_REQ_CLEAR_FEATURE\n"); - - if ((setup->bRequestType & (USB_RECIP_MASK | USB_TYPE_MASK)) - == (USB_RECIP_ENDPOINT | USB_TYPE_STANDARD)) { - struct langwell_ep *epn; - epn = get_ep_by_windex(dev, wIndex); - /* stall if endpoint doesn't exist */ - if (!epn) { - ep0_stall(dev); - goto end; - } - - if (wValue != 0 || wLength != 0 - || epn->ep_num > dev->ep_max) - break; - - spin_unlock(&dev->lock); - rc = langwell_ep_set_halt(&epn->ep, - (setup->bRequest == USB_REQ_SET_FEATURE) - ? 1 : 0); - spin_lock(&dev->lock); - - } else if ((setup->bRequestType & (USB_RECIP_MASK - | USB_TYPE_MASK)) == (USB_RECIP_DEVICE - | USB_TYPE_STANDARD)) { - rc = 0; - switch (wValue) { - case USB_DEVICE_REMOTE_WAKEUP: - if (setup->bRequest == USB_REQ_SET_FEATURE) { - dev->remote_wakeup = 1; - dev->dev_status |= (1 << wValue); - } else { - dev->remote_wakeup = 0; - dev->dev_status &= ~(1 << wValue); - } - break; - case USB_DEVICE_TEST_MODE: - dev_dbg(&dev->pdev->dev, "SETUP: TEST MODE\n"); - if ((wIndex & 0xff) || - (dev->gadget.speed != USB_SPEED_HIGH)) - ep0_stall(dev); - - switch (wIndex >> 8) { - case TEST_J: - case TEST_K: - case TEST_SE0_NAK: - case TEST_PACKET: - case TEST_FORCE_EN: - if (prime_status_phase(dev, EP_DIR_IN)) - ep0_stall(dev); - portsc1 = readl(&dev->op_regs->portsc1); - portsc1 |= (wIndex & 0xf00) << 8; - writel(portsc1, &dev->op_regs->portsc1); - goto end; - default: - rc = -EOPNOTSUPP; - } - break; - default: - rc = -EOPNOTSUPP; - break; - } - - if (!gadget_is_otg(&dev->gadget)) - break; - else if (setup->bRequest == USB_DEVICE_B_HNP_ENABLE) - dev->gadget.b_hnp_enable = 1; - else if (setup->bRequest == USB_DEVICE_A_HNP_SUPPORT) - dev->gadget.a_hnp_support = 1; - else if (setup->bRequest == - USB_DEVICE_A_ALT_HNP_SUPPORT) - dev->gadget.a_alt_hnp_support = 1; - else - break; - } else - break; - - if (rc == 0) { - if (prime_status_phase(dev, EP_DIR_IN)) - ep0_stall(dev); - } - goto end; - } - - case USB_REQ_GET_DESCRIPTOR: - dev_dbg(&dev->pdev->dev, - "SETUP: USB_REQ_GET_DESCRIPTOR\n"); - goto delegate; - - case USB_REQ_SET_DESCRIPTOR: - dev_dbg(&dev->pdev->dev, - "SETUP: USB_REQ_SET_DESCRIPTOR unsupported\n"); - goto delegate; - - case USB_REQ_GET_CONFIGURATION: - dev_dbg(&dev->pdev->dev, - "SETUP: USB_REQ_GET_CONFIGURATION\n"); - goto delegate; - - case USB_REQ_SET_CONFIGURATION: - dev_dbg(&dev->pdev->dev, - "SETUP: USB_REQ_SET_CONFIGURATION\n"); - goto delegate; - - case USB_REQ_GET_INTERFACE: - dev_dbg(&dev->pdev->dev, - "SETUP: USB_REQ_GET_INTERFACE\n"); - goto delegate; - - case USB_REQ_SET_INTERFACE: - dev_dbg(&dev->pdev->dev, - "SETUP: USB_REQ_SET_INTERFACE\n"); - goto delegate; - - case USB_REQ_SYNCH_FRAME: - dev_dbg(&dev->pdev->dev, - "SETUP: USB_REQ_SYNCH_FRAME unsupported\n"); - goto delegate; - - default: - /* delegate USB standard requests to the gadget driver */ - goto delegate; -delegate: - /* USB requests handled by gadget */ - if (wLength) { - /* DATA phase from gadget, STATUS phase from udc */ - dev->ep0_dir = (setup->bRequestType & USB_DIR_IN) - ? USB_DIR_IN : USB_DIR_OUT; - dev_vdbg(&dev->pdev->dev, - "dev->ep0_dir = 0x%x, wLength = %d\n", - dev->ep0_dir, wLength); - spin_unlock(&dev->lock); - if (dev->driver->setup(&dev->gadget, - &dev->local_setup_buff) < 0) - ep0_stall(dev); - spin_lock(&dev->lock); - dev->ep0_state = (setup->bRequestType & USB_DIR_IN) - ? DATA_STATE_XMIT : DATA_STATE_RECV; - } else { - /* no DATA phase, IN STATUS phase from gadget */ - dev->ep0_dir = USB_DIR_IN; - dev_vdbg(&dev->pdev->dev, - "dev->ep0_dir = 0x%x, wLength = %d\n", - dev->ep0_dir, wLength); - spin_unlock(&dev->lock); - if (dev->driver->setup(&dev->gadget, - &dev->local_setup_buff) < 0) - ep0_stall(dev); - spin_lock(&dev->lock); - dev->ep0_state = WAIT_FOR_OUT_STATUS; - } - break; - } -end: - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); -} - - -/* transfer completion, process endpoint request and free the completed dTDs - * for this request - */ -static int process_ep_req(struct langwell_udc *dev, int index, - struct langwell_request *curr_req) -{ - struct langwell_dtd *curr_dtd; - struct langwell_dqh *curr_dqh; - int td_complete, actual, remaining_length; - int i, dir; - u8 dtd_status = 0; - int retval = 0; - - curr_dqh = &dev->ep_dqh[index]; - dir = index % 2; - - curr_dtd = curr_req->head; - td_complete = 0; - actual = curr_req->req.length; - - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - for (i = 0; i < curr_req->dtd_count; i++) { - - /* command execution states by dTD */ - dtd_status = curr_dtd->dtd_status; - - barrier(); - remaining_length = le16_to_cpu(curr_dtd->dtd_total); - actual -= remaining_length; - - if (!dtd_status) { - /* transfers completed successfully */ - if (!remaining_length) { - td_complete++; - dev_vdbg(&dev->pdev->dev, - "dTD transmitted successfully\n"); - } else { - if (dir) { - dev_vdbg(&dev->pdev->dev, - "TX dTD remains data\n"); - retval = -EPROTO; - break; - - } else { - td_complete++; - break; - } - } - } else { - /* transfers completed with errors */ - if (dtd_status & DTD_STS_ACTIVE) { - dev_dbg(&dev->pdev->dev, - "dTD status ACTIVE dQH[%d]\n", index); - retval = 1; - return retval; - } else if (dtd_status & DTD_STS_HALTED) { - dev_err(&dev->pdev->dev, - "dTD error %08x dQH[%d]\n", - dtd_status, index); - /* clear the errors and halt condition */ - curr_dqh->dtd_status = 0; - retval = -EPIPE; - break; - } else if (dtd_status & DTD_STS_DBE) { - dev_dbg(&dev->pdev->dev, - "data buffer (overflow) error\n"); - retval = -EPROTO; - break; - } else if (dtd_status & DTD_STS_TRE) { - dev_dbg(&dev->pdev->dev, - "transaction(ISO) error\n"); - retval = -EILSEQ; - break; - } else - dev_err(&dev->pdev->dev, - "unknown error (0x%x)!\n", - dtd_status); - } - - if (i != curr_req->dtd_count - 1) - curr_dtd = (struct langwell_dtd *) - curr_dtd->next_dtd_virt; - } - - if (retval) - return retval; - - curr_req->req.actual = actual; - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return 0; -} - - -/* complete DATA or STATUS phase of ep0 prime status phase if needed */ -static void ep0_req_complete(struct langwell_udc *dev, - struct langwell_ep *ep0, struct langwell_request *req) -{ - u32 new_addr; - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - if (dev->usb_state == USB_STATE_ADDRESS) { - /* set the new address */ - new_addr = (u32)dev->dev_addr; - writel(new_addr << USBADR_SHIFT, &dev->op_regs->deviceaddr); - - new_addr = USBADR(readl(&dev->op_regs->deviceaddr)); - dev_vdbg(&dev->pdev->dev, "new_addr = %d\n", new_addr); - } - - done(ep0, req, 0); - - switch (dev->ep0_state) { - case DATA_STATE_XMIT: - /* receive status phase */ - if (prime_status_phase(dev, EP_DIR_OUT)) - ep0_stall(dev); - break; - case DATA_STATE_RECV: - /* send status phase */ - if (prime_status_phase(dev, EP_DIR_IN)) - ep0_stall(dev); - break; - case WAIT_FOR_OUT_STATUS: - dev->ep0_state = WAIT_FOR_SETUP; - break; - case WAIT_FOR_SETUP: - dev_err(&dev->pdev->dev, "unexpect ep0 packets\n"); - break; - default: - ep0_stall(dev); - break; - } - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); -} - - -/* USB transfer completion interrupt */ -static void handle_trans_complete(struct langwell_udc *dev) -{ - u32 complete_bits; - int i, ep_num, dir, bit_mask, status; - struct langwell_ep *epn; - struct langwell_request *curr_req, *temp_req; - - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - complete_bits = readl(&dev->op_regs->endptcomplete); - dev_vdbg(&dev->pdev->dev, "endptcomplete register: 0x%08x\n", - complete_bits); - - /* Write-Clear the bits in endptcomplete register */ - writel(complete_bits, &dev->op_regs->endptcomplete); - - if (!complete_bits) { - dev_dbg(&dev->pdev->dev, "complete_bits = 0\n"); - goto done; - } - - for (i = 0; i < dev->ep_max; i++) { - ep_num = i / 2; - dir = i % 2; - - bit_mask = 1 << (ep_num + 16 * dir); - - if (!(complete_bits & bit_mask)) - continue; - - /* ep0 */ - if (i == 1) - epn = &dev->ep[0]; - else - epn = &dev->ep[i]; - - if (epn->name == NULL) { - dev_warn(&dev->pdev->dev, "invalid endpoint\n"); - continue; - } - - if (i < 2) - /* ep0 in and out */ - dev_dbg(&dev->pdev->dev, "%s-%s transfer completed\n", - epn->name, - is_in(epn) ? "in" : "out"); - else - dev_dbg(&dev->pdev->dev, "%s transfer completed\n", - epn->name); - - /* process the req queue until an uncomplete request */ - list_for_each_entry_safe(curr_req, temp_req, - &epn->queue, queue) { - status = process_ep_req(dev, i, curr_req); - dev_vdbg(&dev->pdev->dev, "%s req status: %d\n", - epn->name, status); - - if (status) - break; - - /* write back status to req */ - curr_req->req.status = status; - - /* ep0 request completion */ - if (ep_num == 0) { - ep0_req_complete(dev, epn, curr_req); - break; - } else { - done(epn, curr_req, status); - } - } - } -done: - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); -} - -/* port change detect interrupt handler */ -static void handle_port_change(struct langwell_udc *dev) -{ - u32 portsc1, devlc; - - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - if (dev->bus_reset) - dev->bus_reset = 0; - - portsc1 = readl(&dev->op_regs->portsc1); - devlc = readl(&dev->op_regs->devlc); - dev_vdbg(&dev->pdev->dev, "portsc1 = 0x%08x, devlc = 0x%08x\n", - portsc1, devlc); - - /* bus reset is finished */ - if (!(portsc1 & PORTS_PR)) { - /* get the speed */ - dev->gadget.speed = lpm_device_speed(devlc); - dev_vdbg(&dev->pdev->dev, "dev->gadget.speed = %d\n", - dev->gadget.speed); - } - - /* LPM L0 to L1 */ - if (dev->lpm && dev->lpm_state == LPM_L0) - if (portsc1 & PORTS_SUSP && portsc1 & PORTS_SLP) { - dev_info(&dev->pdev->dev, "LPM L0 to L1\n"); - dev->lpm_state = LPM_L1; - } - - /* LPM L1 to L0, force resume or remote wakeup finished */ - if (dev->lpm && dev->lpm_state == LPM_L1) - if (!(portsc1 & PORTS_SUSP)) { - dev_info(&dev->pdev->dev, "LPM L1 to L0\n"); - dev->lpm_state = LPM_L0; - } - - /* update USB state */ - if (!dev->resume_state) - dev->usb_state = USB_STATE_DEFAULT; - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); -} - - -/* USB reset interrupt handler */ -static void handle_usb_reset(struct langwell_udc *dev) -{ - u32 deviceaddr, - endptsetupstat, - endptcomplete; - unsigned long timeout; - - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - /* Write-Clear the device address */ - deviceaddr = readl(&dev->op_regs->deviceaddr); - writel(deviceaddr & ~USBADR_MASK, &dev->op_regs->deviceaddr); - - dev->dev_addr = 0; - - /* clear usb state */ - dev->resume_state = 0; - - /* LPM L1 to L0, reset */ - if (dev->lpm) - dev->lpm_state = LPM_L0; - - dev->ep0_dir = USB_DIR_OUT; - dev->ep0_state = WAIT_FOR_SETUP; - - /* remote wakeup reset to 0 when the device is reset */ - dev->remote_wakeup = 0; - dev->dev_status = 1 << USB_DEVICE_SELF_POWERED; - dev->gadget.b_hnp_enable = 0; - dev->gadget.a_hnp_support = 0; - dev->gadget.a_alt_hnp_support = 0; - - /* Write-Clear all the setup token semaphores */ - endptsetupstat = readl(&dev->op_regs->endptsetupstat); - writel(endptsetupstat, &dev->op_regs->endptsetupstat); - - /* Write-Clear all the endpoint complete status bits */ - endptcomplete = readl(&dev->op_regs->endptcomplete); - writel(endptcomplete, &dev->op_regs->endptcomplete); - - /* wait until all endptprime bits cleared */ - timeout = jiffies + PRIME_TIMEOUT; - while (readl(&dev->op_regs->endptprime)) { - if (time_after(jiffies, timeout)) { - dev_err(&dev->pdev->dev, "USB reset timeout\n"); - break; - } - cpu_relax(); - } - - /* write 1s to endptflush register to clear any primed buffers */ - writel((u32) ~0, &dev->op_regs->endptflush); - - if (readl(&dev->op_regs->portsc1) & PORTS_PR) { - dev_vdbg(&dev->pdev->dev, "USB bus reset\n"); - /* bus is reseting */ - dev->bus_reset = 1; - - /* reset all the queues, stop all USB activities */ - stop_activity(dev); - dev->usb_state = USB_STATE_DEFAULT; - } else { - dev_vdbg(&dev->pdev->dev, "device controller reset\n"); - /* controller reset */ - langwell_udc_reset(dev); - - /* reset all the queues, stop all USB activities */ - stop_activity(dev); - - /* reset ep0 dQH and endptctrl */ - ep0_reset(dev); - - /* enable interrupt and set controller to run state */ - langwell_udc_start(dev); - - dev->usb_state = USB_STATE_ATTACHED; - } - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); -} - - -/* USB bus suspend/resume interrupt */ -static void handle_bus_suspend(struct langwell_udc *dev) -{ - dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__); - - dev->resume_state = dev->usb_state; - dev->usb_state = USB_STATE_SUSPENDED; - - /* report suspend to the driver */ - if (dev->driver) { - if (dev->driver->suspend) { - spin_unlock(&dev->lock); - dev->driver->suspend(&dev->gadget); - spin_lock(&dev->lock); - dev_dbg(&dev->pdev->dev, "suspend %s\n", - dev->driver->driver.name); - } - } - - /* enter PHY low power suspend */ - if (dev->pdev->device != 0x0829) - langwell_phy_low_power(dev, 0); - - dev_dbg(&dev->pdev->dev, "<--- %s()\n", __func__); -} - - -static void handle_bus_resume(struct langwell_udc *dev) -{ - dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__); - - dev->usb_state = dev->resume_state; - dev->resume_state = 0; - - /* exit PHY low power suspend */ - if (dev->pdev->device != 0x0829) - langwell_phy_low_power(dev, 0); - - /* report resume to the driver */ - if (dev->driver) { - if (dev->driver->resume) { - spin_unlock(&dev->lock); - dev->driver->resume(&dev->gadget); - spin_lock(&dev->lock); - dev_dbg(&dev->pdev->dev, "resume %s\n", - dev->driver->driver.name); - } - } - - dev_dbg(&dev->pdev->dev, "<--- %s()\n", __func__); -} - - -/* USB device controller interrupt handler */ -static irqreturn_t langwell_irq(int irq, void *_dev) -{ - struct langwell_udc *dev = _dev; - u32 usbsts, - usbintr, - irq_sts, - portsc1; - - dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - - if (dev->stopped) { - dev_vdbg(&dev->pdev->dev, "handle IRQ_NONE\n"); - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return IRQ_NONE; - } - - spin_lock(&dev->lock); - - /* USB status */ - usbsts = readl(&dev->op_regs->usbsts); - - /* USB interrupt enable */ - usbintr = readl(&dev->op_regs->usbintr); - - irq_sts = usbsts & usbintr; - dev_vdbg(&dev->pdev->dev, - "usbsts = 0x%08x, usbintr = 0x%08x, irq_sts = 0x%08x\n", - usbsts, usbintr, irq_sts); - - if (!irq_sts) { - dev_vdbg(&dev->pdev->dev, "handle IRQ_NONE\n"); - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - spin_unlock(&dev->lock); - return IRQ_NONE; - } - - /* Write-Clear interrupt status bits */ - writel(irq_sts, &dev->op_regs->usbsts); - - /* resume from suspend */ - portsc1 = readl(&dev->op_regs->portsc1); - if (dev->usb_state == USB_STATE_SUSPENDED) - if (!(portsc1 & PORTS_SUSP)) - handle_bus_resume(dev); - - /* USB interrupt */ - if (irq_sts & STS_UI) { - dev_vdbg(&dev->pdev->dev, "USB interrupt\n"); - - /* setup packet received from ep0 */ - if (readl(&dev->op_regs->endptsetupstat) - & EP0SETUPSTAT_MASK) { - dev_vdbg(&dev->pdev->dev, - "USB SETUP packet received interrupt\n"); - /* setup tripwire semaphone */ - setup_tripwire(dev); - handle_setup_packet(dev, &dev->local_setup_buff); - } - - /* USB transfer completion */ - if (readl(&dev->op_regs->endptcomplete)) { - dev_vdbg(&dev->pdev->dev, - "USB transfer completion interrupt\n"); - handle_trans_complete(dev); - } - } - - /* SOF received interrupt (for ISO transfer) */ - if (irq_sts & STS_SRI) { - /* FIXME */ - /* dev_vdbg(&dev->pdev->dev, "SOF received interrupt\n"); */ - } - - /* port change detect interrupt */ - if (irq_sts & STS_PCI) { - dev_vdbg(&dev->pdev->dev, "port change detect interrupt\n"); - handle_port_change(dev); - } - - /* suspend interrupt */ - if (irq_sts & STS_SLI) { - dev_vdbg(&dev->pdev->dev, "suspend interrupt\n"); - handle_bus_suspend(dev); - } - - /* USB reset interrupt */ - if (irq_sts & STS_URI) { - dev_vdbg(&dev->pdev->dev, "USB reset interrupt\n"); - handle_usb_reset(dev); - } - - /* USB error or system error interrupt */ - if (irq_sts & (STS_UEI | STS_SEI)) { - /* FIXME */ - dev_warn(&dev->pdev->dev, "error IRQ, irq_sts: %x\n", irq_sts); - } - - spin_unlock(&dev->lock); - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return IRQ_HANDLED; -} - - -/*-------------------------------------------------------------------------*/ - -/* release device structure */ -static void gadget_release(struct device *_dev) -{ - struct langwell_udc *dev = dev_get_drvdata(_dev); - - dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__); - - complete(dev->done); - - dev_dbg(&dev->pdev->dev, "<--- %s()\n", __func__); - kfree(dev); -} - - -/* enable SRAM caching if SRAM detected */ -static void sram_init(struct langwell_udc *dev) -{ - struct pci_dev *pdev = dev->pdev; - - dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__); - - dev->sram_addr = pci_resource_start(pdev, 1); - dev->sram_size = pci_resource_len(pdev, 1); - dev_info(&dev->pdev->dev, "Found private SRAM at %x size:%x\n", - dev->sram_addr, dev->sram_size); - dev->got_sram = 1; - - if (pci_request_region(pdev, 1, kobject_name(&pdev->dev.kobj))) { - dev_warn(&dev->pdev->dev, "SRAM request failed\n"); - dev->got_sram = 0; - } else if (!dma_declare_coherent_memory(&pdev->dev, dev->sram_addr, - dev->sram_addr, dev->sram_size, DMA_MEMORY_MAP)) { - dev_warn(&dev->pdev->dev, "SRAM DMA declare failed\n"); - pci_release_region(pdev, 1); - dev->got_sram = 0; - } - - dev_dbg(&dev->pdev->dev, "<--- %s()\n", __func__); -} - - -/* release SRAM caching */ -static void sram_deinit(struct langwell_udc *dev) -{ - struct pci_dev *pdev = dev->pdev; - - dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__); - - dma_release_declared_memory(&pdev->dev); - pci_release_region(pdev, 1); - - dev->got_sram = 0; - - dev_info(&dev->pdev->dev, "release SRAM caching\n"); - dev_dbg(&dev->pdev->dev, "<--- %s()\n", __func__); -} - - -/* tear down the binding between this driver and the pci device */ -static void langwell_udc_remove(struct pci_dev *pdev) -{ - struct langwell_udc *dev = pci_get_drvdata(pdev); - - DECLARE_COMPLETION(done); - - BUG_ON(dev->driver); - dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__); - - dev->done = &done; - - /* free dTD dma_pool and dQH */ - if (dev->dtd_pool) - dma_pool_destroy(dev->dtd_pool); - - if (dev->ep_dqh) - dma_free_coherent(&pdev->dev, dev->ep_dqh_size, - dev->ep_dqh, dev->ep_dqh_dma); - - /* release SRAM caching */ - if (dev->has_sram && dev->got_sram) - sram_deinit(dev); - - if (dev->status_req) { - kfree(dev->status_req->req.buf); - kfree(dev->status_req); - } - - kfree(dev->ep); - - /* disable IRQ handler */ - if (dev->got_irq) - free_irq(pdev->irq, dev); - - if (dev->cap_regs) - iounmap(dev->cap_regs); - - if (dev->region) - release_mem_region(pci_resource_start(pdev, 0), - pci_resource_len(pdev, 0)); - - if (dev->enabled) - pci_disable_device(pdev); - - dev->cap_regs = NULL; - - dev_info(&dev->pdev->dev, "unbind\n"); - dev_dbg(&dev->pdev->dev, "<--- %s()\n", __func__); - - device_unregister(&dev->gadget.dev); - device_remove_file(&pdev->dev, &dev_attr_langwell_udc); - device_remove_file(&pdev->dev, &dev_attr_remote_wakeup); - - pci_set_drvdata(pdev, NULL); - - /* free dev, wait for the release() finished */ - wait_for_completion(&done); -} - - -/* - * wrap this driver around the specified device, but - * don't respond over USB until a gadget driver binds to us. - */ -static int langwell_udc_probe(struct pci_dev *pdev, - const struct pci_device_id *id) -{ - struct langwell_udc *dev; - unsigned long resource, len; - void __iomem *base = NULL; - size_t size; - int retval; - - /* alloc, and start init */ - dev = kzalloc(sizeof *dev, GFP_KERNEL); - if (dev == NULL) { - retval = -ENOMEM; - goto error; - } - - /* initialize device spinlock */ - spin_lock_init(&dev->lock); - - dev->pdev = pdev; - dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__); - - pci_set_drvdata(pdev, dev); - - /* now all the pci goodies ... */ - if (pci_enable_device(pdev) < 0) { - retval = -ENODEV; - goto error; - } - dev->enabled = 1; - - /* control register: BAR 0 */ - resource = pci_resource_start(pdev, 0); - len = pci_resource_len(pdev, 0); - if (!request_mem_region(resource, len, driver_name)) { - dev_err(&dev->pdev->dev, "controller already in use\n"); - retval = -EBUSY; - goto error; - } - dev->region = 1; - - base = ioremap_nocache(resource, len); - if (base == NULL) { - dev_err(&dev->pdev->dev, "can't map memory\n"); - retval = -EFAULT; - goto error; - } - - dev->cap_regs = (struct langwell_cap_regs __iomem *) base; - dev_vdbg(&dev->pdev->dev, "dev->cap_regs: %p\n", dev->cap_regs); - dev->op_regs = (struct langwell_op_regs __iomem *) - (base + OP_REG_OFFSET); - dev_vdbg(&dev->pdev->dev, "dev->op_regs: %p\n", dev->op_regs); - - /* irq setup after old hardware is cleaned up */ - if (!pdev->irq) { - dev_err(&dev->pdev->dev, "No IRQ. Check PCI setup!\n"); - retval = -ENODEV; - goto error; - } - - dev->has_sram = 1; - dev->got_sram = 0; - dev_vdbg(&dev->pdev->dev, "dev->has_sram: %d\n", dev->has_sram); - - /* enable SRAM caching if detected */ - if (dev->has_sram && !dev->got_sram) - sram_init(dev); - - dev_info(&dev->pdev->dev, - "irq %d, io mem: 0x%08lx, len: 0x%08lx, pci mem 0x%p\n", - pdev->irq, resource, len, base); - /* enables bus-mastering for device dev */ - pci_set_master(pdev); - - if (request_irq(pdev->irq, langwell_irq, IRQF_SHARED, - driver_name, dev) != 0) { - dev_err(&dev->pdev->dev, - "request interrupt %d failed\n", pdev->irq); - retval = -EBUSY; - goto error; - } - dev->got_irq = 1; - - /* set stopped bit */ - dev->stopped = 1; - - /* capabilities and endpoint number */ - dev->lpm = (readl(&dev->cap_regs->hccparams) & HCC_LEN) ? 1 : 0; - dev->dciversion = readw(&dev->cap_regs->dciversion); - dev->devcap = (readl(&dev->cap_regs->dccparams) & DEVCAP) ? 1 : 0; - dev_vdbg(&dev->pdev->dev, "dev->lpm: %d\n", dev->lpm); - dev_vdbg(&dev->pdev->dev, "dev->dciversion: 0x%04x\n", - dev->dciversion); - dev_vdbg(&dev->pdev->dev, "dccparams: 0x%08x\n", - readl(&dev->cap_regs->dccparams)); - dev_vdbg(&dev->pdev->dev, "dev->devcap: %d\n", dev->devcap); - if (!dev->devcap) { - dev_err(&dev->pdev->dev, "can't support device mode\n"); - retval = -ENODEV; - goto error; - } - - /* a pair of endpoints (out/in) for each address */ - dev->ep_max = DEN(readl(&dev->cap_regs->dccparams)) * 2; - dev_vdbg(&dev->pdev->dev, "dev->ep_max: %d\n", dev->ep_max); - - /* allocate endpoints memory */ - dev->ep = kzalloc(sizeof(struct langwell_ep) * dev->ep_max, - GFP_KERNEL); - if (!dev->ep) { - dev_err(&dev->pdev->dev, "allocate endpoints memory failed\n"); - retval = -ENOMEM; - goto error; - } - - /* allocate device dQH memory */ - size = dev->ep_max * sizeof(struct langwell_dqh); - dev_vdbg(&dev->pdev->dev, "orig size = %zd\n", size); - if (size < DQH_ALIGNMENT) - size = DQH_ALIGNMENT; - else if ((size % DQH_ALIGNMENT) != 0) { - size += DQH_ALIGNMENT + 1; - size &= ~(DQH_ALIGNMENT - 1); - } - dev->ep_dqh = dma_alloc_coherent(&pdev->dev, size, - &dev->ep_dqh_dma, GFP_KERNEL); - if (!dev->ep_dqh) { - dev_err(&dev->pdev->dev, "allocate dQH memory failed\n"); - retval = -ENOMEM; - goto error; - } - dev->ep_dqh_size = size; - dev_vdbg(&dev->pdev->dev, "ep_dqh_size = %zd\n", dev->ep_dqh_size); - - /* initialize ep0 status request structure */ - dev->status_req = kzalloc(sizeof(struct langwell_request), GFP_KERNEL); - if (!dev->status_req) { - dev_err(&dev->pdev->dev, - "allocate status_req memory failed\n"); - retval = -ENOMEM; - goto error; - } - INIT_LIST_HEAD(&dev->status_req->queue); - - /* allocate a small amount of memory to get valid address */ - dev->status_req->req.buf = kmalloc(8, GFP_KERNEL); - dev->status_req->req.dma = virt_to_phys(dev->status_req->req.buf); - - dev->resume_state = USB_STATE_NOTATTACHED; - dev->usb_state = USB_STATE_POWERED; - dev->ep0_dir = USB_DIR_OUT; - - /* remote wakeup reset to 0 when the device is reset */ - dev->remote_wakeup = 0; - dev->dev_status = 1 << USB_DEVICE_SELF_POWERED; - - /* reset device controller */ - langwell_udc_reset(dev); - - /* initialize gadget structure */ - dev->gadget.ops = &langwell_ops; /* usb_gadget_ops */ - dev->gadget.ep0 = &dev->ep[0].ep; /* gadget ep0 */ - INIT_LIST_HEAD(&dev->gadget.ep_list); /* ep_list */ - dev->gadget.speed = USB_SPEED_UNKNOWN; /* speed */ - dev->gadget.max_speed = USB_SPEED_HIGH; /* support dual speed */ - - /* the "gadget" abstracts/virtualizes the controller */ - dev_set_name(&dev->gadget.dev, "gadget"); - dev->gadget.dev.parent = &pdev->dev; - dev->gadget.dev.dma_mask = pdev->dev.dma_mask; - dev->gadget.dev.release = gadget_release; - dev->gadget.name = driver_name; /* gadget name */ - - /* controller endpoints reinit */ - eps_reinit(dev); - - /* reset ep0 dQH and endptctrl */ - ep0_reset(dev); - - /* create dTD dma_pool resource */ - dev->dtd_pool = dma_pool_create("langwell_dtd", - &dev->pdev->dev, - sizeof(struct langwell_dtd), - DTD_ALIGNMENT, - DMA_BOUNDARY); - - if (!dev->dtd_pool) { - retval = -ENOMEM; - goto error; - } - - /* done */ - dev_info(&dev->pdev->dev, "%s\n", driver_desc); - dev_info(&dev->pdev->dev, "irq %d, pci mem %p\n", pdev->irq, base); - dev_info(&dev->pdev->dev, "Driver version: " DRIVER_VERSION "\n"); - dev_info(&dev->pdev->dev, "Support (max) %d endpoints\n", dev->ep_max); - dev_info(&dev->pdev->dev, "Device interface version: 0x%04x\n", - dev->dciversion); - dev_info(&dev->pdev->dev, "Controller mode: %s\n", - dev->devcap ? "Device" : "Host"); - dev_info(&dev->pdev->dev, "Support USB LPM: %s\n", - dev->lpm ? "Yes" : "No"); - - dev_vdbg(&dev->pdev->dev, - "After langwell_udc_probe(), print all registers:\n"); - print_all_registers(dev); - - retval = device_register(&dev->gadget.dev); - if (retval) - goto error; - - retval = usb_add_gadget_udc(&pdev->dev, &dev->gadget); - if (retval) - goto error; - - retval = device_create_file(&pdev->dev, &dev_attr_langwell_udc); - if (retval) - goto error; - - retval = device_create_file(&pdev->dev, &dev_attr_remote_wakeup); - if (retval) - goto error_attr1; - - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return 0; - -error_attr1: - device_remove_file(&pdev->dev, &dev_attr_langwell_udc); -error: - if (dev) { - dev_dbg(&dev->pdev->dev, "<--- %s()\n", __func__); - langwell_udc_remove(pdev); - } - - return retval; -} - - -/* device controller suspend */ -static int langwell_udc_suspend(struct pci_dev *pdev, pm_message_t state) -{ - struct langwell_udc *dev = pci_get_drvdata(pdev); - - dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__); - - usb_del_gadget_udc(&dev->gadget); - /* disable interrupt and set controller to stop state */ - langwell_udc_stop(dev); - - /* disable IRQ handler */ - if (dev->got_irq) - free_irq(pdev->irq, dev); - dev->got_irq = 0; - - /* save PCI state */ - pci_save_state(pdev); - - spin_lock_irq(&dev->lock); - /* stop all usb activities */ - stop_activity(dev); - spin_unlock_irq(&dev->lock); - - /* free dTD dma_pool and dQH */ - if (dev->dtd_pool) - dma_pool_destroy(dev->dtd_pool); - - if (dev->ep_dqh) - dma_free_coherent(&pdev->dev, dev->ep_dqh_size, - dev->ep_dqh, dev->ep_dqh_dma); - - /* release SRAM caching */ - if (dev->has_sram && dev->got_sram) - sram_deinit(dev); - - /* set device power state */ - pci_set_power_state(pdev, PCI_D3hot); - - /* enter PHY low power suspend */ - if (dev->pdev->device != 0x0829) - langwell_phy_low_power(dev, 1); - - dev_dbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return 0; -} - - -/* device controller resume */ -static int langwell_udc_resume(struct pci_dev *pdev) -{ - struct langwell_udc *dev = pci_get_drvdata(pdev); - size_t size; - - dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__); - - /* exit PHY low power suspend */ - if (dev->pdev->device != 0x0829) - langwell_phy_low_power(dev, 0); - - /* set device D0 power state */ - pci_set_power_state(pdev, PCI_D0); - - /* enable SRAM caching if detected */ - if (dev->has_sram && !dev->got_sram) - sram_init(dev); - - /* allocate device dQH memory */ - size = dev->ep_max * sizeof(struct langwell_dqh); - dev_vdbg(&dev->pdev->dev, "orig size = %zd\n", size); - if (size < DQH_ALIGNMENT) - size = DQH_ALIGNMENT; - else if ((size % DQH_ALIGNMENT) != 0) { - size += DQH_ALIGNMENT + 1; - size &= ~(DQH_ALIGNMENT - 1); - } - dev->ep_dqh = dma_alloc_coherent(&pdev->dev, size, - &dev->ep_dqh_dma, GFP_KERNEL); - if (!dev->ep_dqh) { - dev_err(&dev->pdev->dev, "allocate dQH memory failed\n"); - return -ENOMEM; - } - dev->ep_dqh_size = size; - dev_vdbg(&dev->pdev->dev, "ep_dqh_size = %zd\n", dev->ep_dqh_size); - - /* create dTD dma_pool resource */ - dev->dtd_pool = dma_pool_create("langwell_dtd", - &dev->pdev->dev, - sizeof(struct langwell_dtd), - DTD_ALIGNMENT, - DMA_BOUNDARY); - - if (!dev->dtd_pool) - return -ENOMEM; - - /* restore PCI state */ - pci_restore_state(pdev); - - /* enable IRQ handler */ - if (request_irq(pdev->irq, langwell_irq, IRQF_SHARED, - driver_name, dev) != 0) { - dev_err(&dev->pdev->dev, "request interrupt %d failed\n", - pdev->irq); - return -EBUSY; - } - dev->got_irq = 1; - - /* reset and start controller to run state */ - if (dev->stopped) { - /* reset device controller */ - langwell_udc_reset(dev); - - /* reset ep0 dQH and endptctrl */ - ep0_reset(dev); - - /* start device if gadget is loaded */ - if (dev->driver) - langwell_udc_start(dev); - } - - /* reset USB status */ - dev->usb_state = USB_STATE_ATTACHED; - dev->ep0_state = WAIT_FOR_SETUP; - dev->ep0_dir = USB_DIR_OUT; - - dev_dbg(&dev->pdev->dev, "<--- %s()\n", __func__); - return 0; -} - - -/* pci driver shutdown */ -static void langwell_udc_shutdown(struct pci_dev *pdev) -{ - struct langwell_udc *dev = pci_get_drvdata(pdev); - u32 usbmode; - - dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__); - - /* reset controller mode to IDLE */ - usbmode = readl(&dev->op_regs->usbmode); - dev_dbg(&dev->pdev->dev, "usbmode = 0x%08x\n", usbmode); - usbmode &= (~3 | MODE_IDLE); - writel(usbmode, &dev->op_regs->usbmode); - - dev_dbg(&dev->pdev->dev, "<--- %s()\n", __func__); -} - -/*-------------------------------------------------------------------------*/ - -static const struct pci_device_id pci_ids[] = { { - .class = ((PCI_CLASS_SERIAL_USB << 8) | 0xfe), - .class_mask = ~0, - .vendor = 0x8086, - .device = 0x0811, - .subvendor = PCI_ANY_ID, - .subdevice = PCI_ANY_ID, -}, { /* end: all zeroes */ } -}; - -MODULE_DEVICE_TABLE(pci, pci_ids); - - -static struct pci_driver langwell_pci_driver = { - .name = (char *) driver_name, - .id_table = pci_ids, - - .probe = langwell_udc_probe, - .remove = langwell_udc_remove, - - /* device controller suspend/resume */ - .suspend = langwell_udc_suspend, - .resume = langwell_udc_resume, - - .shutdown = langwell_udc_shutdown, -}; - -module_pci_driver(langwell_pci_driver); - -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_AUTHOR("Xiaochen Shen "); -MODULE_VERSION(DRIVER_VERSION); -MODULE_LICENSE("GPL"); diff --git a/drivers/usb/gadget/langwell_udc.h b/drivers/usb/gadget/langwell_udc.h deleted file mode 100644 index 38fa3c86d85c..000000000000 --- a/drivers/usb/gadget/langwell_udc.h +++ /dev/null @@ -1,223 +0,0 @@ -/* - * Intel Langwell USB Device Controller driver - * Copyright (C) 2008-2009, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - */ - -#include - -/*-------------------------------------------------------------------------*/ - -/* driver data structures and utilities */ - -/* - * dTD: Device Endpoint Transfer Descriptor - * describe to the device controller the location and quantity of - * data to be send/received for given transfer - */ -struct langwell_dtd { - u32 dtd_next; -/* bits 31:5, next transfer element pointer */ -#define DTD_NEXT(d) (((d)>>5)&0x7ffffff) -#define DTD_NEXT_MASK (0x7ffffff << 5) -/* terminate */ -#define DTD_TERM BIT(0) - /* bits 7:0, execution back states */ - u32 dtd_status:8; -#define DTD_STATUS(d) (((d)>>0)&0xff) -#define DTD_STS_ACTIVE BIT(7) /* active */ -#define DTD_STS_HALTED BIT(6) /* halted */ -#define DTD_STS_DBE BIT(5) /* data buffer error */ -#define DTD_STS_TRE BIT(3) /* transaction error */ - /* bits 9:8 */ - u32 dtd_res0:2; - /* bits 11:10, multipier override */ - u32 dtd_multo:2; -#define DTD_MULTO (BIT(11) | BIT(10)) - /* bits 14:12 */ - u32 dtd_res1:3; - /* bit 15, interrupt on complete */ - u32 dtd_ioc:1; -#define DTD_IOC BIT(15) - /* bits 30:16, total bytes */ - u32 dtd_total:15; -#define DTD_TOTAL(d) (((d)>>16)&0x7fff) -#define DTD_MAX_TRANSFER_LENGTH 0x4000 - /* bit 31 */ - u32 dtd_res2:1; - /* dTD buffer pointer page 0 to 4 */ - u32 dtd_buf[5]; -#define DTD_OFFSET_MASK 0xfff -/* bits 31:12, buffer pointer */ -#define DTD_BUFFER(d) (((d)>>12)&0x3ff) -/* bits 11:0, current offset */ -#define DTD_C_OFFSET(d) (((d)>>0)&0xfff) -/* bits 10:0, frame number */ -#define DTD_FRAME(d) (((d)>>0)&0x7ff) - - /* driver-private parts */ - - /* dtd dma address */ - dma_addr_t dtd_dma; - /* next dtd virtual address */ - struct langwell_dtd *next_dtd_virt; -}; - - -/* - * dQH: Device Endpoint Queue Head - * describe where all transfers are managed - * 48-byte data structure, aligned on 64-byte boundary - * - * These are associated with dTD structure - */ -struct langwell_dqh { - /* endpoint capabilities and characteristics */ - u32 dqh_res0:15; /* bits 14:0 */ - u32 dqh_ios:1; /* bit 15, interrupt on setup */ -#define DQH_IOS BIT(15) - u32 dqh_mpl:11; /* bits 26:16, maximum packet length */ -#define DQH_MPL (0x7ff << 16) - u32 dqh_res1:2; /* bits 28:27 */ - u32 dqh_zlt:1; /* bit 29, zero length termination */ -#define DQH_ZLT BIT(29) - u32 dqh_mult:2; /* bits 31:30 */ -#define DQH_MULT (BIT(30) | BIT(31)) - - /* current dTD pointer */ - u32 dqh_current; /* locate the transfer in progress */ -#define DQH_C_DTD(e) \ - (((e)>>5)&0x7ffffff) /* bits 31:5, current dTD pointer */ - - /* transfer overlay, hardware parts of a struct langwell_dtd */ - u32 dtd_next; - u32 dtd_status:8; /* bits 7:0, execution back states */ - u32 dtd_res0:2; /* bits 9:8 */ - u32 dtd_multo:2; /* bits 11:10, multipier override */ - u32 dtd_res1:3; /* bits 14:12 */ - u32 dtd_ioc:1; /* bit 15, interrupt on complete */ - u32 dtd_total:15; /* bits 30:16, total bytes */ - u32 dtd_res2:1; /* bit 31 */ - u32 dtd_buf[5]; /* dTD buffer pointer page 0 to 4 */ - - u32 dqh_res2; - struct usb_ctrlrequest dqh_setup; /* setup packet buffer */ -} __attribute__ ((aligned(64))); - - -/* endpoint data structure */ -struct langwell_ep { - struct usb_ep ep; - dma_addr_t dma; - struct langwell_udc *dev; - unsigned long irqs; - struct list_head queue; - struct langwell_dqh *dqh; - char name[14]; - unsigned stopped:1, - ep_type:2, - ep_num:8; -}; - - -/* request data structure */ -struct langwell_request { - struct usb_request req; - struct langwell_dtd *dtd, *head, *tail; - struct langwell_ep *ep; - dma_addr_t dtd_dma; - struct list_head queue; - unsigned dtd_count; - unsigned mapped:1; -}; - - -/* ep0 transfer state */ -enum ep0_state { - WAIT_FOR_SETUP, - DATA_STATE_XMIT, - DATA_STATE_NEED_ZLP, - WAIT_FOR_OUT_STATUS, - DATA_STATE_RECV, -}; - - -/* device suspend state */ -enum lpm_state { - LPM_L0, /* on */ - LPM_L1, /* LPM L1 sleep */ - LPM_L2, /* suspend */ - LPM_L3, /* off */ -}; - - -/* device data structure */ -struct langwell_udc { - /* each pci device provides one gadget, several endpoints */ - struct usb_gadget gadget; - spinlock_t lock; /* device lock */ - struct langwell_ep *ep; - struct usb_gadget_driver *driver; - struct usb_phy *transceiver; - u8 dev_addr; - u32 usb_state; - u32 resume_state; - u32 bus_reset; - enum lpm_state lpm_state; - enum ep0_state ep0_state; - u32 ep0_dir; - u16 dciversion; - unsigned ep_max; - unsigned devcap:1, - enabled:1, - region:1, - got_irq:1, - powered:1, - remote_wakeup:1, - rate:1, - is_reset:1, - softconnected:1, - vbus_active:1, - suspended:1, - stopped:1, - lpm:1, /* LPM capability */ - has_sram:1, /* SRAM caching */ - got_sram:1; - - /* pci state used to access those endpoints */ - struct pci_dev *pdev; - - /* Langwell otg transceiver */ - struct langwell_otg *lotg; - - /* control registers */ - struct langwell_cap_regs __iomem *cap_regs; - struct langwell_op_regs __iomem *op_regs; - - struct usb_ctrlrequest local_setup_buff; - struct langwell_dqh *ep_dqh; - size_t ep_dqh_size; - dma_addr_t ep_dqh_dma; - - /* ep0 status request */ - struct langwell_request *status_req; - - /* dma pool */ - struct dma_pool *dtd_pool; - - /* make sure release() is done */ - struct completion *done; - - /* for private SRAM caching */ - unsigned int sram_addr; - unsigned int sram_size; - - /* device status data for get_status request */ - u16 dev_status; -}; - -#define gadget_to_langwell(g) container_of((g), struct langwell_udc, gadget) - diff --git a/include/linux/usb/langwell_udc.h b/include/linux/usb/langwell_udc.h deleted file mode 100644 index 2d2d1bbad9d2..000000000000 --- a/include/linux/usb/langwell_udc.h +++ /dev/null @@ -1,310 +0,0 @@ -/* - * Intel Langwell USB Device Controller driver - * Copyright (C) 2008-2009, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - */ - -#ifndef __LANGWELL_UDC_H -#define __LANGWELL_UDC_H - - -/* MACRO defines */ -#define CAP_REG_OFFSET 0x0 -#define OP_REG_OFFSET 0x28 - -#define DMA_ADDR_INVALID (~(dma_addr_t)0) - -#define DQH_ALIGNMENT 2048 -#define DTD_ALIGNMENT 64 -#define DMA_BOUNDARY 4096 - -#define EP0_MAX_PKT_SIZE 64 -#define EP_DIR_IN 1 -#define EP_DIR_OUT 0 - -#define FLUSH_TIMEOUT 1000 -#define RESET_TIMEOUT 1000 -#define SETUPSTAT_TIMEOUT 100 -#define PRIME_TIMEOUT 100 - - -/* device memory space registers */ - -/* Capability Registers, BAR0 + CAP_REG_OFFSET */ -struct langwell_cap_regs { - /* offset: 0x0 */ - u8 caplength; /* offset of Operational Register */ - u8 _reserved3; - u16 hciversion; /* H: BCD encoding of host version */ - u32 hcsparams; /* H: host port steering logic capability */ - u32 hccparams; /* H: host multiple mode control capability */ -#define HCC_LEN BIT(17) /* Link power management (LPM) capability */ - u8 _reserved4[0x20-0xc]; - /* offset: 0x20 */ - u16 dciversion; /* BCD encoding of device version */ - u8 _reserved5[0x24-0x22]; - u32 dccparams; /* overall device controller capability */ -#define HOSTCAP BIT(8) /* host capable */ -#define DEVCAP BIT(7) /* device capable */ -#define DEN(d) \ - (((d)>>0)&0x1f) /* bits 4:0, device endpoint number */ -} __attribute__ ((packed)); - - -/* Operational Registers, BAR0 + OP_REG_OFFSET */ -struct langwell_op_regs { - /* offset: 0x28 */ - u32 extsts; -#define EXTS_TI1 BIT(4) /* general purpose timer interrupt 1 */ -#define EXTS_TI1TI0 BIT(3) /* general purpose timer interrupt 0 */ -#define EXTS_TI1UPI BIT(2) /* USB host periodic interrupt */ -#define EXTS_TI1UAI BIT(1) /* USB host asynchronous interrupt */ -#define EXTS_TI1NAKI BIT(0) /* NAK interrupt */ - u32 extintr; -#define EXTI_TIE1 BIT(4) /* general purpose timer interrupt enable 1 */ -#define EXTI_TIE0 BIT(3) /* general purpose timer interrupt enable 0 */ -#define EXTI_UPIE BIT(2) /* USB host periodic interrupt enable */ -#define EXTI_UAIE BIT(1) /* USB host asynchronous interrupt enable */ -#define EXTI_NAKE BIT(0) /* NAK interrupt enable */ - /* offset: 0x30 */ - u32 usbcmd; -#define CMD_HIRD(u) \ - (((u)>>24)&0xf) /* bits 27:24, host init resume duration */ -#define CMD_ITC(u) \ - (((u)>>16)&0xff) /* bits 23:16, interrupt threshold control */ -#define CMD_PPE BIT(15) /* per-port change events enable */ -#define CMD_ATDTW BIT(14) /* add dTD tripwire */ -#define CMD_SUTW BIT(13) /* setup tripwire */ -#define CMD_ASPE BIT(11) /* asynchronous schedule park mode enable */ -#define CMD_FS2 BIT(10) /* frame list size */ -#define CMD_ASP1 BIT(9) /* asynchronous schedule park mode count */ -#define CMD_ASP0 BIT(8) -#define CMD_LR BIT(7) /* light host/device controller reset */ -#define CMD_IAA BIT(6) /* interrupt on async advance doorbell */ -#define CMD_ASE BIT(5) /* asynchronous schedule enable */ -#define CMD_PSE BIT(4) /* periodic schedule enable */ -#define CMD_FS1 BIT(3) -#define CMD_FS0 BIT(2) -#define CMD_RST BIT(1) /* controller reset */ -#define CMD_RUNSTOP BIT(0) /* run/stop */ - u32 usbsts; -#define STS_PPCI(u) \ - (((u)>>16)&0xffff) /* bits 31:16, port-n change detect */ -#define STS_AS BIT(15) /* asynchronous schedule status */ -#define STS_PS BIT(14) /* periodic schedule status */ -#define STS_RCL BIT(13) /* reclamation */ -#define STS_HCH BIT(12) /* HC halted */ -#define STS_ULPII BIT(10) /* ULPI interrupt */ -#define STS_SLI BIT(8) /* DC suspend */ -#define STS_SRI BIT(7) /* SOF received */ -#define STS_URI BIT(6) /* USB reset received */ -#define STS_AAI BIT(5) /* interrupt on async advance */ -#define STS_SEI BIT(4) /* system error */ -#define STS_FRI BIT(3) /* frame list rollover */ -#define STS_PCI BIT(2) /* port change detect */ -#define STS_UEI BIT(1) /* USB error interrupt */ -#define STS_UI BIT(0) /* USB interrupt */ - u32 usbintr; -/* bits 31:16, per-port interrupt enable */ -#define INTR_PPCE(u) (((u)>>16)&0xffff) -#define INTR_ULPIE BIT(10) /* ULPI enable */ -#define INTR_SLE BIT(8) /* DC sleep/suspend enable */ -#define INTR_SRE BIT(7) /* SOF received enable */ -#define INTR_URE BIT(6) /* USB reset enable */ -#define INTR_AAE BIT(5) /* interrupt on async advance enable */ -#define INTR_SEE BIT(4) /* system error enable */ -#define INTR_FRE BIT(3) /* frame list rollover enable */ -#define INTR_PCE BIT(2) /* port change detect enable */ -#define INTR_UEE BIT(1) /* USB error interrupt enable */ -#define INTR_UE BIT(0) /* USB interrupt enable */ - u32 frindex; /* frame index */ -#define FRINDEX_MASK (0x3fff << 0) - u32 ctrldssegment; /* not used */ - u32 deviceaddr; -#define USBADR_SHIFT 25 -#define USBADR(d) \ - (((d)>>25)&0x7f) /* bits 31:25, device address */ -#define USBADR_MASK (0x7f << 25) -#define USBADRA BIT(24) /* device address advance */ - u32 endpointlistaddr;/* endpoint list top memory address */ -/* bits 31:11, endpoint list pointer */ -#define EPBASE(d) (((d)>>11)&0x1fffff) -#define ENDPOINTLISTADDR_MASK (0x1fffff << 11) - u32 ttctrl; /* H: TT operatin, not used */ - /* offset: 0x50 */ - u32 burstsize; /* burst size of data movement */ -#define TXPBURST(b) \ - (((b)>>8)&0xff) /* bits 15:8, TX burst length */ -#define RXPBURST(b) \ - (((b)>>0)&0xff) /* bits 7:0, RX burst length */ - u32 txfilltuning; /* TX tuning */ - u32 txttfilltuning; /* H: TX TT tuning */ - u32 ic_usb; /* control the IC_USB FS/LS transceiver */ - /* offset: 0x60 */ - u32 ulpi_viewport; /* indirect access to ULPI PHY */ -#define ULPIWU BIT(31) /* ULPI wakeup */ -#define ULPIRUN BIT(30) /* ULPI read/write run */ -#define ULPIRW BIT(29) /* ULPI read/write control */ -#define ULPISS BIT(27) /* ULPI sync state */ -#define ULPIPORT(u) \ - (((u)>>24)&7) /* bits 26:24, ULPI port number */ -#define ULPIADDR(u) \ - (((u)>>16)&0xff) /* bits 23:16, ULPI data address */ -#define ULPIDATRD(u) \ - (((u)>>8)&0xff) /* bits 15:8, ULPI data read */ -#define ULPIDATWR(u) \ - (((u)>>0)&0xff) /* bits 7:0, ULPI date write */ - u8 _reserved6[0x70-0x64]; - /* offset: 0x70 */ - u32 configflag; /* H: not used */ - u32 portsc1; /* port status */ -#define DA(p) \ - (((p)>>25)&0x7f) /* bits 31:25, device address */ -#define PORTS_SSTS (BIT(24) | BIT(23)) /* suspend status */ -#define PORTS_WKOC BIT(22) /* wake on over-current enable */ -#define PORTS_WKDS BIT(21) /* wake on disconnect enable */ -#define PORTS_WKCN BIT(20) /* wake on connect enable */ -#define PORTS_PTC(p) (((p)>>16)&0xf) /* bits 19:16, port test control */ -#define PORTS_PIC (BIT(15) | BIT(14)) /* port indicator control */ -#define PORTS_PO BIT(13) /* port owner */ -#define PORTS_PP BIT(12) /* port power */ -#define PORTS_LS (BIT(11) | BIT(10)) /* line status */ -#define PORTS_SLP BIT(9) /* suspend using L1 */ -#define PORTS_PR BIT(8) /* port reset */ -#define PORTS_SUSP BIT(7) /* suspend */ -#define PORTS_FPR BIT(6) /* force port resume */ -#define PORTS_OCC BIT(5) /* over-current change */ -#define PORTS_OCA BIT(4) /* over-current active */ -#define PORTS_PEC BIT(3) /* port enable/disable change */ -#define PORTS_PE BIT(2) /* port enable/disable */ -#define PORTS_CSC BIT(1) /* connect status change */ -#define PORTS_CCS BIT(0) /* current connect status */ - u8 _reserved7[0xb4-0x78]; - /* offset: 0xb4 */ - u32 devlc; /* control LPM and each USB port behavior */ -/* bits 31:29, parallel transceiver select */ -#define LPM_PTS(d) (((d)>>29)&7) -#define LPM_STS BIT(28) /* serial transceiver select */ -#define LPM_PTW BIT(27) /* parallel transceiver width */ -#define LPM_PSPD(d) (((d)>>25)&3) /* bits 26:25, port speed */ -#define LPM_PSPD_MASK (BIT(26) | BIT(25)) -#define LPM_SPEED_FULL 0 -#define LPM_SPEED_LOW 1 -#define LPM_SPEED_HIGH 2 -#define LPM_SRT BIT(24) /* shorten reset time */ -#define LPM_PFSC BIT(23) /* port force full speed connect */ -#define LPM_PHCD BIT(22) /* PHY low power suspend clock disable */ -#define LPM_STL BIT(16) /* STALL reply to LPM token */ -#define LPM_BA(d) \ - (((d)>>1)&0x7ff) /* bits 11:1, BmAttributes */ -#define LPM_NYT_ACK BIT(0) /* NYET/ACK reply to LPM token */ - u8 _reserved8[0xf4-0xb8]; - /* offset: 0xf4 */ - u32 otgsc; /* On-The-Go status and control */ -#define OTGSC_DPIE BIT(30) /* data pulse interrupt enable */ -#define OTGSC_MSE BIT(29) /* 1 ms timer interrupt enable */ -#define OTGSC_BSEIE BIT(28) /* B session end interrupt enable */ -#define OTGSC_BSVIE BIT(27) /* B session valid interrupt enable */ -#define OTGSC_ASVIE BIT(26) /* A session valid interrupt enable */ -#define OTGSC_AVVIE BIT(25) /* A VBUS valid interrupt enable */ -#define OTGSC_IDIE BIT(24) /* USB ID interrupt enable */ -#define OTGSC_DPIS BIT(22) /* data pulse interrupt status */ -#define OTGSC_MSS BIT(21) /* 1 ms timer interrupt status */ -#define OTGSC_BSEIS BIT(20) /* B session end interrupt status */ -#define OTGSC_BSVIS BIT(19) /* B session valid interrupt status */ -#define OTGSC_ASVIS BIT(18) /* A session valid interrupt status */ -#define OTGSC_AVVIS BIT(17) /* A VBUS valid interrupt status */ -#define OTGSC_IDIS BIT(16) /* USB ID interrupt status */ -#define OTGSC_DPS BIT(14) /* data bus pulsing status */ -#define OTGSC_MST BIT(13) /* 1 ms timer toggle */ -#define OTGSC_BSE BIT(12) /* B session end */ -#define OTGSC_BSV BIT(11) /* B session valid */ -#define OTGSC_ASV BIT(10) /* A session valid */ -#define OTGSC_AVV BIT(9) /* A VBUS valid */ -#define OTGSC_USBID BIT(8) /* USB ID */ -#define OTGSC_HABA BIT(7) /* hw assist B-disconnect to A-connect */ -#define OTGSC_HADP BIT(6) /* hw assist data pulse */ -#define OTGSC_IDPU BIT(5) /* ID pullup */ -#define OTGSC_DP BIT(4) /* data pulsing */ -#define OTGSC_OT BIT(3) /* OTG termination */ -#define OTGSC_HAAR BIT(2) /* hw assist auto reset */ -#define OTGSC_VC BIT(1) /* VBUS charge */ -#define OTGSC_VD BIT(0) /* VBUS discharge */ - u32 usbmode; -#define MODE_VBPS BIT(5) /* R/W VBUS power select */ -#define MODE_SDIS BIT(4) /* R/W stream disable mode */ -#define MODE_SLOM BIT(3) /* R/W setup lockout mode */ -#define MODE_ENSE BIT(2) /* endian select */ -#define MODE_CM(u) (((u)>>0)&3) /* bits 1:0, controller mode */ -#define MODE_IDLE 0 -#define MODE_DEVICE 2 -#define MODE_HOST 3 - u8 _reserved9[0x100-0xfc]; - /* offset: 0x100 */ - u32 endptnak; -#define EPTN(e) \ - (((e)>>16)&0xffff) /* bits 31:16, TX endpoint NAK */ -#define EPRN(e) \ - (((e)>>0)&0xffff) /* bits 15:0, RX endpoint NAK */ - u32 endptnaken; -#define EPTNE(e) \ - (((e)>>16)&0xffff) /* bits 31:16, TX endpoint NAK enable */ -#define EPRNE(e) \ - (((e)>>0)&0xffff) /* bits 15:0, RX endpoint NAK enable */ - u32 endptsetupstat; -#define SETUPSTAT_MASK (0xffff << 0) /* bits 15:0 */ -#define EP0SETUPSTAT_MASK 1 - u32 endptprime; -/* bits 31:16, prime endpoint transmit buffer */ -#define PETB(e) (((e)>>16)&0xffff) -/* bits 15:0, prime endpoint receive buffer */ -#define PERB(e) (((e)>>0)&0xffff) - /* offset: 0x110 */ - u32 endptflush; -/* bits 31:16, flush endpoint transmit buffer */ -#define FETB(e) (((e)>>16)&0xffff) -/* bits 15:0, flush endpoint receive buffer */ -#define FERB(e) (((e)>>0)&0xffff) - u32 endptstat; -/* bits 31:16, endpoint transmit buffer ready */ -#define ETBR(e) (((e)>>16)&0xffff) -/* bits 15:0, endpoint receive buffer ready */ -#define ERBR(e) (((e)>>0)&0xffff) - u32 endptcomplete; -/* bits 31:16, endpoint transmit complete event */ -#define ETCE(e) (((e)>>16)&0xffff) -/* bits 15:0, endpoint receive complete event */ -#define ERCE(e) (((e)>>0)&0xffff) - /* offset: 0x11c */ - u32 endptctrl[16]; -#define EPCTRL_TXE BIT(23) /* TX endpoint enable */ -#define EPCTRL_TXR BIT(22) /* TX data toggle reset */ -#define EPCTRL_TXI BIT(21) /* TX data toggle inhibit */ -#define EPCTRL_TXT(e) (((e)>>18)&3) /* bits 19:18, TX endpoint type */ -#define EPCTRL_TXT_SHIFT 18 -#define EPCTRL_TXD BIT(17) /* TX endpoint data source */ -#define EPCTRL_TXS BIT(16) /* TX endpoint STALL */ -#define EPCTRL_RXE BIT(7) /* RX endpoint enable */ -#define EPCTRL_RXR BIT(6) /* RX data toggle reset */ -#define EPCTRL_RXI BIT(5) /* RX data toggle inhibit */ -#define EPCTRL_RXT(e) (((e)>>2)&3) /* bits 3:2, RX endpoint type */ -#define EPCTRL_RXT_SHIFT 2 /* bits 19:18, TX endpoint type */ -#define EPCTRL_RXD BIT(1) /* RX endpoint data sink */ -#define EPCTRL_RXS BIT(0) /* RX endpoint STALL */ -} __attribute__ ((packed)); - -#endif /* __LANGWELL_UDC_H */ - -- cgit v1.3-8-gc7d7 From 7390e8b0dee778b0a964337558990a91094e679a Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Fri, 11 May 2012 22:15:39 +0000 Subject: usb/net: rndis: inline the cpu_to_le32() macro The header file used a number of #defines that included the cpu_to_le32() macro to assure the result will be in LE endianness. Inlining this into the code instead of using it in the code definitions yields consolidation opportunities later on as you will see in the following patches. The individual drivers also used local defines - all are switched over to the pattern of doing the conversion at the call sites instead. Signed-off-by: Jussi Kivilinna Signed-off-by: Linus Walleij Signed-off-by: David S. Miller --- drivers/net/usb/rndis_host.c | 54 +++++----- drivers/net/wireless/rndis_wlan.c | 212 +++++++++++++++++++------------------- include/linux/usb/rndis_host.h | 84 +++++++-------- 3 files changed, 177 insertions(+), 173 deletions(-) (limited to 'include/linux/usb') diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c index c8f1b5b3aff3..3b7ddfd25fd2 100644 --- a/drivers/net/usb/rndis_host.c +++ b/drivers/net/usb/rndis_host.c @@ -78,10 +78,10 @@ static void rndis_msg_indicate(struct usbnet *dev, struct rndis_indicate *msg, dev->driver_info->indication(dev, msg, buflen); } else { switch (msg->status) { - case RNDIS_STATUS_MEDIA_CONNECT: + case cpu_to_le32(RNDIS_STATUS_MEDIA_CONNECT): dev_info(udev, "rndis media connect\n"); break; - case RNDIS_STATUS_MEDIA_DISCONNECT: + case cpu_to_le32(RNDIS_STATUS_MEDIA_DISCONNECT): dev_info(udev, "rndis media disconnect\n"); break; default: @@ -117,8 +117,8 @@ int rndis_command(struct usbnet *dev, struct rndis_msg_hdr *buf, int buflen) */ /* Issue the request; xid is unique, don't bother byteswapping it */ - if (likely(buf->msg_type != RNDIS_MSG_HALT && - buf->msg_type != RNDIS_MSG_RESET)) { + if (likely(buf->msg_type != cpu_to_le32(RNDIS_MSG_HALT) && + buf->msg_type != cpu_to_le32(RNDIS_MSG_RESET))) { xid = dev->xid++; if (!xid) xid = dev->xid++; @@ -149,7 +149,7 @@ int rndis_command(struct usbnet *dev, struct rndis_msg_hdr *buf, int buflen) } /* Poll the control channel; the request probably completed immediately */ - rsp = buf->msg_type | RNDIS_MSG_COMPLETION; + rsp = buf->msg_type | cpu_to_le32(RNDIS_MSG_COMPLETION); for (count = 0; count < 10; count++) { memset(buf, 0, CONTROL_BUFFER_SIZE); retval = usb_control_msg(dev->udev, @@ -164,9 +164,10 @@ int rndis_command(struct usbnet *dev, struct rndis_msg_hdr *buf, int buflen) request_id = (__force u32) buf->request_id; if (likely(buf->msg_type == rsp)) { if (likely(request_id == xid)) { - if (unlikely(rsp == RNDIS_MSG_RESET_C)) + if (unlikely(rsp == + cpu_to_le32(RNDIS_MSG_RESET_C))) return 0; - if (likely(RNDIS_STATUS_SUCCESS + if (likely(cpu_to_le32(RNDIS_STATUS_SUCCESS) == buf->status)) return 0; dev_dbg(&info->control->dev, @@ -179,16 +180,15 @@ int rndis_command(struct usbnet *dev, struct rndis_msg_hdr *buf, int buflen) request_id, xid); /* then likely retry */ } else switch (buf->msg_type) { - case RNDIS_MSG_INDICATE: /* fault/event */ + case cpu_to_le32(RNDIS_MSG_INDICATE): /* fault/event */ rndis_msg_indicate(dev, (void *)buf, buflen); - break; - case RNDIS_MSG_KEEPALIVE: { /* ping */ + case cpu_to_le32(RNDIS_MSG_KEEPALIVE): { /* ping */ struct rndis_keepalive_c *msg = (void *)buf; - msg->msg_type = RNDIS_MSG_KEEPALIVE_C; + msg->msg_type = cpu_to_le32(RNDIS_MSG_KEEPALIVE_C); msg->msg_len = cpu_to_le32(sizeof *msg); - msg->status = RNDIS_STATUS_SUCCESS; + msg->status = cpu_to_le32(RNDIS_STATUS_SUCCESS); retval = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), USB_CDC_SEND_ENCAPSULATED_COMMAND, @@ -251,7 +251,7 @@ static int rndis_query(struct usbnet *dev, struct usb_interface *intf, u.buf = buf; memset(u.get, 0, sizeof *u.get + in_len); - u.get->msg_type = RNDIS_MSG_QUERY; + u.get->msg_type = cpu_to_le32(RNDIS_MSG_QUERY); u.get->msg_len = cpu_to_le32(sizeof *u.get + in_len); u.get->oid = oid; u.get->len = cpu_to_le32(in_len); @@ -324,7 +324,7 @@ generic_rndis_bind(struct usbnet *dev, struct usb_interface *intf, int flags) if (retval < 0) goto fail; - u.init->msg_type = RNDIS_MSG_INIT; + u.init->msg_type = cpu_to_le32(RNDIS_MSG_INIT); u.init->msg_len = cpu_to_le32(sizeof *u.init); u.init->major_version = cpu_to_le32(1); u.init->minor_version = cpu_to_le32(0); @@ -395,22 +395,23 @@ generic_rndis_bind(struct usbnet *dev, struct usb_interface *intf, int flags) /* Check physical medium */ phym = NULL; reply_len = sizeof *phym; - retval = rndis_query(dev, intf, u.buf, OID_GEN_PHYSICAL_MEDIUM, + retval = rndis_query(dev, intf, u.buf, + cpu_to_le32(OID_GEN_PHYSICAL_MEDIUM), 0, (void **) &phym, &reply_len); if (retval != 0 || !phym) { /* OID is optional so don't fail here. */ - phym_unspec = RNDIS_PHYSICAL_MEDIUM_UNSPECIFIED; + phym_unspec = cpu_to_le32(RNDIS_PHYSICAL_MEDIUM_UNSPECIFIED); phym = &phym_unspec; } if ((flags & FLAG_RNDIS_PHYM_WIRELESS) && - *phym != RNDIS_PHYSICAL_MEDIUM_WIRELESS_LAN) { + *phym != cpu_to_le32(RNDIS_PHYSICAL_MEDIUM_WIRELESS_LAN)) { netif_dbg(dev, probe, dev->net, "driver requires wireless physical medium, but device is not\n"); retval = -ENODEV; goto halt_fail_and_release; } if ((flags & FLAG_RNDIS_PHYM_NOT_WIRELESS) && - *phym == RNDIS_PHYSICAL_MEDIUM_WIRELESS_LAN) { + *phym == cpu_to_le32(RNDIS_PHYSICAL_MEDIUM_WIRELESS_LAN)) { netif_dbg(dev, probe, dev->net, "driver requires non-wireless physical medium, but device is wireless.\n"); retval = -ENODEV; @@ -419,7 +420,8 @@ generic_rndis_bind(struct usbnet *dev, struct usb_interface *intf, int flags) /* Get designated host ethernet address */ reply_len = ETH_ALEN; - retval = rndis_query(dev, intf, u.buf, OID_802_3_PERMANENT_ADDRESS, + retval = rndis_query(dev, intf, u.buf, + cpu_to_le32(OID_802_3_PERMANENT_ADDRESS), 48, (void **) &bp, &reply_len); if (unlikely(retval< 0)) { dev_err(&intf->dev, "rndis get ethaddr, %d\n", retval); @@ -430,12 +432,12 @@ generic_rndis_bind(struct usbnet *dev, struct usb_interface *intf, int flags) /* set a nonzero filter to enable data transfers */ memset(u.set, 0, sizeof *u.set); - u.set->msg_type = RNDIS_MSG_SET; + u.set->msg_type = cpu_to_le32(RNDIS_MSG_SET); u.set->msg_len = cpu_to_le32(4 + sizeof *u.set); - u.set->oid = OID_GEN_CURRENT_PACKET_FILTER; + u.set->oid = cpu_to_le32(OID_GEN_CURRENT_PACKET_FILTER); u.set->len = cpu_to_le32(4); u.set->offset = cpu_to_le32((sizeof *u.set) - 8); - *(__le32 *)(u.buf + sizeof *u.set) = RNDIS_DEFAULT_FILTER; + *(__le32 *)(u.buf + sizeof *u.set) = cpu_to_le32(RNDIS_DEFAULT_FILTER); retval = rndis_command(dev, u.header, CONTROL_BUFFER_SIZE); if (unlikely(retval < 0)) { @@ -450,7 +452,7 @@ generic_rndis_bind(struct usbnet *dev, struct usb_interface *intf, int flags) halt_fail_and_release: memset(u.halt, 0, sizeof *u.halt); - u.halt->msg_type = RNDIS_MSG_HALT; + u.halt->msg_type = cpu_to_le32(RNDIS_MSG_HALT); u.halt->msg_len = cpu_to_le32(sizeof *u.halt); (void) rndis_command(dev, (void *)u.halt, CONTROL_BUFFER_SIZE); fail_and_release: @@ -475,7 +477,7 @@ void rndis_unbind(struct usbnet *dev, struct usb_interface *intf) /* try to clear any rndis state/activity (no i/o from stack!) */ halt = kzalloc(CONTROL_BUFFER_SIZE, GFP_KERNEL); if (halt) { - halt->msg_type = RNDIS_MSG_HALT; + halt->msg_type = cpu_to_le32(RNDIS_MSG_HALT); halt->msg_len = cpu_to_le32(sizeof *halt); (void) rndis_command(dev, (void *)halt, CONTROL_BUFFER_SIZE); kfree(halt); @@ -501,7 +503,7 @@ int rndis_rx_fixup(struct usbnet *dev, struct sk_buff *skb) data_len = le32_to_cpu(hdr->data_len); /* don't choke if we see oob, per-packet data, etc */ - if (unlikely(hdr->msg_type != RNDIS_MSG_PACKET || + if (unlikely(hdr->msg_type != cpu_to_le32(RNDIS_MSG_PACKET) || skb->len < msg_len || (data_offset + data_len + 8) > msg_len)) { dev->net->stats.rx_frame_errors++; @@ -569,7 +571,7 @@ rndis_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags) fill: hdr = (void *) __skb_push(skb, sizeof *hdr); memset(hdr, 0, sizeof *hdr); - hdr->msg_type = RNDIS_MSG_PACKET; + hdr->msg_type = cpu_to_le32(RNDIS_MSG_PACKET); hdr->msg_len = cpu_to_le32(skb->len); hdr->data_offset = cpu_to_le32(sizeof(*hdr) - 8); hdr->data_len = cpu_to_le32(len); diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c index dcf0e7e25ab0..cd828e3b8e40 100644 --- a/drivers/net/wireless/rndis_wlan.c +++ b/drivers/net/wireless/rndis_wlan.c @@ -90,45 +90,45 @@ MODULE_PARM_DESC(workaround_interval, /* various RNDIS OID defs */ -#define OID_GEN_LINK_SPEED cpu_to_le32(0x00010107) -#define OID_GEN_RNDIS_CONFIG_PARAMETER cpu_to_le32(0x0001021b) - -#define OID_GEN_XMIT_OK cpu_to_le32(0x00020101) -#define OID_GEN_RCV_OK cpu_to_le32(0x00020102) -#define OID_GEN_XMIT_ERROR cpu_to_le32(0x00020103) -#define OID_GEN_RCV_ERROR cpu_to_le32(0x00020104) -#define OID_GEN_RCV_NO_BUFFER cpu_to_le32(0x00020105) - -#define OID_802_3_CURRENT_ADDRESS cpu_to_le32(0x01010102) -#define OID_802_3_MULTICAST_LIST cpu_to_le32(0x01010103) -#define OID_802_3_MAXIMUM_LIST_SIZE cpu_to_le32(0x01010104) - -#define OID_802_11_BSSID cpu_to_le32(0x0d010101) -#define OID_802_11_SSID cpu_to_le32(0x0d010102) -#define OID_802_11_INFRASTRUCTURE_MODE cpu_to_le32(0x0d010108) -#define OID_802_11_ADD_WEP cpu_to_le32(0x0d010113) -#define OID_802_11_REMOVE_WEP cpu_to_le32(0x0d010114) -#define OID_802_11_DISASSOCIATE cpu_to_le32(0x0d010115) -#define OID_802_11_AUTHENTICATION_MODE cpu_to_le32(0x0d010118) -#define OID_802_11_PRIVACY_FILTER cpu_to_le32(0x0d010119) -#define OID_802_11_BSSID_LIST_SCAN cpu_to_le32(0x0d01011a) -#define OID_802_11_ENCRYPTION_STATUS cpu_to_le32(0x0d01011b) -#define OID_802_11_ADD_KEY cpu_to_le32(0x0d01011d) -#define OID_802_11_REMOVE_KEY cpu_to_le32(0x0d01011e) -#define OID_802_11_ASSOCIATION_INFORMATION cpu_to_le32(0x0d01011f) -#define OID_802_11_CAPABILITY cpu_to_le32(0x0d010122) -#define OID_802_11_PMKID cpu_to_le32(0x0d010123) -#define OID_802_11_NETWORK_TYPES_SUPPORTED cpu_to_le32(0x0d010203) -#define OID_802_11_NETWORK_TYPE_IN_USE cpu_to_le32(0x0d010204) -#define OID_802_11_TX_POWER_LEVEL cpu_to_le32(0x0d010205) -#define OID_802_11_RSSI cpu_to_le32(0x0d010206) -#define OID_802_11_RSSI_TRIGGER cpu_to_le32(0x0d010207) -#define OID_802_11_FRAGMENTATION_THRESHOLD cpu_to_le32(0x0d010209) -#define OID_802_11_RTS_THRESHOLD cpu_to_le32(0x0d01020a) -#define OID_802_11_SUPPORTED_RATES cpu_to_le32(0x0d01020e) -#define OID_802_11_CONFIGURATION cpu_to_le32(0x0d010211) -#define OID_802_11_POWER_MODE cpu_to_le32(0x0d010216) -#define OID_802_11_BSSID_LIST cpu_to_le32(0x0d010217) +#define OID_GEN_LINK_SPEED 0x00010107 +#define OID_GEN_RNDIS_CONFIG_PARAMETER 0x0001021b + +#define OID_GEN_XMIT_OK 0x00020101 +#define OID_GEN_RCV_OK 0x00020102 +#define OID_GEN_XMIT_ERROR 0x00020103 +#define OID_GEN_RCV_ERROR 0x00020104 +#define OID_GEN_RCV_NO_BUFFER 0x00020105 + +#define OID_802_3_CURRENT_ADDRESS 0x01010102 +#define OID_802_3_MULTICAST_LIST 0x01010103 +#define OID_802_3_MAXIMUM_LIST_SIZE 0x01010104 + +#define OID_802_11_BSSID 0x0d010101 +#define OID_802_11_SSID 0x0d010102 +#define OID_802_11_INFRASTRUCTURE_MODE 0x0d010108 +#define OID_802_11_ADD_WEP 0x0d010113 +#define OID_802_11_REMOVE_WEP 0x0d010114 +#define OID_802_11_DISASSOCIATE 0x0d010115 +#define OID_802_11_AUTHENTICATION_MODE 0x0d010118 +#define OID_802_11_PRIVACY_FILTER 0x0d010119 +#define OID_802_11_BSSID_LIST_SCAN 0x0d01011a +#define OID_802_11_ENCRYPTION_STATUS 0x0d01011b +#define OID_802_11_ADD_KEY 0x0d01011d +#define OID_802_11_REMOVE_KEY 0x0d01011e +#define OID_802_11_ASSOCIATION_INFORMATION 0x0d01011f +#define OID_802_11_CAPABILITY 0x0d010122 +#define OID_802_11_PMKID 0x0d010123 +#define OID_802_11_NETWORK_TYPES_SUPPORTED 0x0d010203 +#define OID_802_11_NETWORK_TYPE_IN_USE 0x0d010204 +#define OID_802_11_TX_POWER_LEVEL 0x0d010205 +#define OID_802_11_RSSI 0x0d010206 +#define OID_802_11_RSSI_TRIGGER 0x0d010207 +#define OID_802_11_FRAGMENTATION_THRESHOLD 0x0d010209 +#define OID_802_11_RTS_THRESHOLD 0x0d01020a +#define OID_802_11_SUPPORTED_RATES 0x0d01020e +#define OID_802_11_CONFIGURATION 0x0d010211 +#define OID_802_11_POWER_MODE 0x0d010216 +#define OID_802_11_BSSID_LIST 0x0d010217 /* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */ @@ -151,8 +151,8 @@ MODULE_PARM_DESC(workaround_interval, /* codes for "status" field of completion messages */ -#define RNDIS_STATUS_ADAPTER_NOT_READY cpu_to_le32(0xc0010011) -#define RNDIS_STATUS_ADAPTER_NOT_OPEN cpu_to_le32(0xc0010012) +#define RNDIS_STATUS_ADAPTER_NOT_READY 0xc0010011 +#define RNDIS_STATUS_ADAPTER_NOT_OPEN 0xc0010012 /* Known device types */ @@ -673,7 +673,7 @@ static int rndis_akm_suite_to_key_mgmt(u32 akm_suite) static const char *oid_to_string(__le32 oid) { switch (oid) { -#define OID_STR(oid) case oid: return(#oid) +#define OID_STR(oid) case cpu_to_le32(oid): return(#oid) /* from rndis_host.h */ OID_STR(OID_802_3_PERMANENT_ADDRESS); OID_STR(OID_GEN_MAXIMUM_FRAME_SIZE); @@ -737,18 +737,18 @@ static int rndis_error_status(__le32 rndis_status) { int ret = -EINVAL; switch (rndis_status) { - case RNDIS_STATUS_SUCCESS: + case cpu_to_le32(RNDIS_STATUS_SUCCESS): ret = 0; break; - case RNDIS_STATUS_FAILURE: - case RNDIS_STATUS_INVALID_DATA: + case cpu_to_le32(RNDIS_STATUS_FAILURE): + case cpu_to_le32(RNDIS_STATUS_INVALID_DATA): ret = -EINVAL; break; - case RNDIS_STATUS_NOT_SUPPORTED: + case cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED): ret = -EOPNOTSUPP; break; - case RNDIS_STATUS_ADAPTER_NOT_READY: - case RNDIS_STATUS_ADAPTER_NOT_OPEN: + case cpu_to_le32(RNDIS_STATUS_ADAPTER_NOT_READY): + case cpu_to_le32(RNDIS_STATUS_ADAPTER_NOT_OPEN): ret = -EBUSY; break; } @@ -782,7 +782,7 @@ static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len) mutex_lock(&priv->command_lock); memset(u.get, 0, sizeof *u.get); - u.get->msg_type = RNDIS_MSG_QUERY; + u.get->msg_type = cpu_to_le32(RNDIS_MSG_QUERY); u.get->msg_len = cpu_to_le32(sizeof *u.get); u.get->oid = oid; @@ -866,7 +866,7 @@ static int rndis_set_oid(struct usbnet *dev, __le32 oid, const void *data, mutex_lock(&priv->command_lock); memset(u.set, 0, sizeof *u.set); - u.set->msg_type = RNDIS_MSG_SET; + u.set->msg_type = cpu_to_le32(RNDIS_MSG_SET); u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len); u.set->oid = oid; u.set->len = cpu_to_le32(len); @@ -908,7 +908,7 @@ static int rndis_reset(struct usbnet *usbdev) reset = (void *)priv->command_buffer; memset(reset, 0, sizeof(*reset)); - reset->msg_type = RNDIS_MSG_RESET; + reset->msg_type = cpu_to_le32(RNDIS_MSG_RESET); reset->msg_len = cpu_to_le32(sizeof(*reset)); priv->current_command_oid = 0; ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE); @@ -994,7 +994,7 @@ static int rndis_set_config_parameter(struct usbnet *dev, char *param, } #endif - ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER, + ret = rndis_set_oid(dev, cpu_to_le32(OID_GEN_RNDIS_CONFIG_PARAMETER), infobuf, info_len); if (ret != 0) netdev_dbg(dev->net, "setting rndis config parameter failed, %d\n", @@ -1033,7 +1033,7 @@ static int rndis_start_bssid_list_scan(struct usbnet *usbdev) /* Note: OID_802_11_BSSID_LIST_SCAN clears internal BSS list. */ tmp = cpu_to_le32(1); - return rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp, + return rndis_set_oid(usbdev, cpu_to_le32(OID_802_11_BSSID_LIST_SCAN), &tmp, sizeof(tmp)); } @@ -1042,7 +1042,7 @@ static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid) struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); int ret; - ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid)); + ret = rndis_set_oid(usbdev, cpu_to_le32(OID_802_11_SSID), ssid, sizeof(*ssid)); if (ret < 0) { netdev_warn(usbdev->net, "setting SSID failed (%08X)\n", ret); return ret; @@ -1059,7 +1059,7 @@ static int set_bssid(struct usbnet *usbdev, const u8 *bssid) { int ret; - ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN); + ret = rndis_set_oid(usbdev, cpu_to_le32(OID_802_11_BSSID), bssid, ETH_ALEN); if (ret < 0) { netdev_warn(usbdev->net, "setting BSSID[%pM] failed (%08X)\n", bssid, ret); @@ -1083,7 +1083,7 @@ static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN]) int ret, len; len = ETH_ALEN; - ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len); + ret = rndis_query_oid(usbdev, cpu_to_le32(OID_802_11_BSSID), bssid, &len); if (ret != 0) memset(bssid, 0, ETH_ALEN); @@ -1094,7 +1094,7 @@ static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN]) static int get_association_info(struct usbnet *usbdev, struct ndis_80211_assoc_info *info, int len) { - return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION, + return rndis_query_oid(usbdev, cpu_to_le32(OID_802_11_ASSOCIATION_INFORMATION), info, &len); } @@ -1119,7 +1119,7 @@ static int disassociate(struct usbnet *usbdev, bool reset_ssid) int i, ret = 0; if (priv->radio_on) { - ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0); + ret = rndis_set_oid(usbdev, cpu_to_le32(OID_802_11_DISASSOCIATE), NULL, 0); if (ret == 0) { priv->radio_on = false; netdev_dbg(usbdev->net, "%s(): radio_on = false\n", @@ -1181,7 +1181,7 @@ static int set_auth_mode(struct usbnet *usbdev, u32 wpa_version, return -ENOTSUPP; tmp = cpu_to_le32(auth_mode); - ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp, + ret = rndis_set_oid(usbdev, cpu_to_le32(OID_802_11_AUTHENTICATION_MODE), &tmp, sizeof(tmp)); if (ret != 0) { netdev_warn(usbdev->net, "setting auth mode failed (%08X)\n", @@ -1208,7 +1208,7 @@ static int set_priv_filter(struct usbnet *usbdev) else tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL); - return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp, + return rndis_set_oid(usbdev, cpu_to_le32(OID_802_11_PRIVACY_FILTER), &tmp, sizeof(tmp)); } @@ -1234,7 +1234,7 @@ static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise) encr_mode = NDIS_80211_ENCR_DISABLED; tmp = cpu_to_le32(encr_mode); - ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp, + ret = rndis_set_oid(usbdev, cpu_to_le32(OID_802_11_ENCRYPTION_STATUS), &tmp, sizeof(tmp)); if (ret != 0) { netdev_warn(usbdev->net, "setting encr mode failed (%08X)\n", @@ -1255,7 +1255,7 @@ static int set_infra_mode(struct usbnet *usbdev, int mode) __func__, priv->infra_mode); tmp = cpu_to_le32(mode); - ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp, + ret = rndis_set_oid(usbdev, cpu_to_le32(OID_802_11_INFRASTRUCTURE_MODE), &tmp, sizeof(tmp)); if (ret != 0) { netdev_warn(usbdev->net, "setting infra mode failed (%08X)\n", @@ -1282,7 +1282,7 @@ static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold) rts_threshold = 2347; tmp = cpu_to_le32(rts_threshold); - return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp, + return rndis_set_oid(usbdev, cpu_to_le32(OID_802_11_RTS_THRESHOLD), &tmp, sizeof(tmp)); } @@ -1296,7 +1296,7 @@ static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold) frag_threshold = 2346; tmp = cpu_to_le32(frag_threshold); - return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp, + return rndis_set_oid(usbdev, cpu_to_le32(OID_802_11_FRAGMENTATION_THRESHOLD), &tmp, sizeof(tmp)); } @@ -1333,7 +1333,7 @@ static int set_channel(struct usbnet *usbdev, int channel) dsconfig = ieee80211_dsss_chan_to_freq(channel) * 1000; len = sizeof(config); - ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len); + ret = rndis_query_oid(usbdev, cpu_to_le32(OID_802_11_CONFIGURATION), &config, &len); if (ret < 0) { netdev_dbg(usbdev->net, "%s(): querying configuration failed\n", __func__); @@ -1341,7 +1341,7 @@ static int set_channel(struct usbnet *usbdev, int channel) } config.ds_config = cpu_to_le32(dsconfig); - ret = rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config, + ret = rndis_set_oid(usbdev, cpu_to_le32(OID_802_11_CONFIGURATION), &config, sizeof(config)); netdev_dbg(usbdev->net, "%s(): %d -> %d\n", __func__, channel, ret); @@ -1359,7 +1359,7 @@ static struct ieee80211_channel *get_current_channel(struct usbnet *usbdev, /* Get channel and beacon interval */ len = sizeof(config); - ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len); + ret = rndis_query_oid(usbdev, cpu_to_le32(OID_802_11_CONFIGURATION), &config, &len); netdev_dbg(usbdev->net, "%s(): OID_802_11_CONFIGURATION -> %d\n", __func__, ret); if (ret < 0) @@ -1413,7 +1413,7 @@ static int add_wep_key(struct usbnet *usbdev, const u8 *key, int key_len, ret); } - ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key, + ret = rndis_set_oid(usbdev, cpu_to_le32(OID_802_11_ADD_WEP), &ndis_key, sizeof(ndis_key)); if (ret != 0) { netdev_warn(usbdev->net, "adding encryption key %d failed (%08X)\n", @@ -1504,7 +1504,7 @@ static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len, get_bssid(usbdev, ndis_key.bssid); } - ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key, + ret = rndis_set_oid(usbdev, cpu_to_le32(OID_802_11_ADD_KEY), &ndis_key, le32_to_cpu(ndis_key.size)); netdev_dbg(usbdev->net, "%s(): OID_802_11_ADD_KEY -> %08X\n", __func__, ret); @@ -1594,13 +1594,13 @@ static int remove_key(struct usbnet *usbdev, u8 index, const u8 *bssid) memset(remove_key.bssid, 0xff, sizeof(remove_key.bssid)); - ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key, + ret = rndis_set_oid(usbdev, cpu_to_le32(OID_802_11_REMOVE_KEY), &remove_key, sizeof(remove_key)); if (ret != 0) return ret; } else { keyindex = cpu_to_le32(index); - ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex, + ret = rndis_set_oid(usbdev, cpu_to_le32(OID_802_11_REMOVE_WEP), &keyindex, sizeof(keyindex)); if (ret != 0) { netdev_warn(usbdev->net, @@ -1626,14 +1626,14 @@ static void set_multicast_list(struct usbnet *usbdev) char *mc_addrs = NULL; int mc_count; - basefilter = filter = RNDIS_PACKET_TYPE_DIRECTED | - RNDIS_PACKET_TYPE_BROADCAST; + basefilter = filter = cpu_to_le32(RNDIS_PACKET_TYPE_DIRECTED | + RNDIS_PACKET_TYPE_BROADCAST); if (usbdev->net->flags & IFF_PROMISC) { - filter |= RNDIS_PACKET_TYPE_PROMISCUOUS | - RNDIS_PACKET_TYPE_ALL_LOCAL; + filter |= cpu_to_le32(RNDIS_PACKET_TYPE_PROMISCUOUS | + RNDIS_PACKET_TYPE_ALL_LOCAL); } else if (usbdev->net->flags & IFF_ALLMULTI) { - filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST; + filter |= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST); } if (filter != basefilter) @@ -1646,7 +1646,7 @@ static void set_multicast_list(struct usbnet *usbdev) netif_addr_lock_bh(usbdev->net); mc_count = netdev_mc_count(usbdev->net); if (mc_count > priv->multicast_size) { - filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST; + filter |= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST); } else if (mc_count) { int i = 0; @@ -1669,20 +1669,20 @@ static void set_multicast_list(struct usbnet *usbdev) goto set_filter; if (mc_count) { - ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, mc_addrs, + ret = rndis_set_oid(usbdev, cpu_to_le32(OID_802_3_MULTICAST_LIST), mc_addrs, mc_count * ETH_ALEN); kfree(mc_addrs); if (ret == 0) - filter |= RNDIS_PACKET_TYPE_MULTICAST; + filter |= cpu_to_le32(RNDIS_PACKET_TYPE_MULTICAST); else - filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST; + filter |= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST); netdev_dbg(usbdev->net, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d\n", mc_count, priv->multicast_size, ret); } set_filter: - ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter, + ret = rndis_set_oid(usbdev, cpu_to_le32(OID_GEN_CURRENT_PACKET_FILTER), &filter, sizeof(filter)); if (ret < 0) { netdev_warn(usbdev->net, "couldn't set packet filter: %08x\n", @@ -1748,7 +1748,7 @@ static struct ndis_80211_pmkid *get_device_pmkids(struct usbnet *usbdev) pmkids->length = cpu_to_le32(len); pmkids->bssid_info_count = cpu_to_le32(max_pmkids); - ret = rndis_query_oid(usbdev, OID_802_11_PMKID, pmkids, &len); + ret = rndis_query_oid(usbdev, cpu_to_le32(OID_802_11_PMKID), pmkids, &len); if (ret < 0) { netdev_dbg(usbdev->net, "%s(): OID_802_11_PMKID(%d, %d)" " -> %d\n", __func__, len, max_pmkids, ret); @@ -1776,7 +1776,7 @@ static int set_device_pmkids(struct usbnet *usbdev, debug_print_pmkids(usbdev, pmkids, __func__); - ret = rndis_set_oid(usbdev, OID_802_11_PMKID, pmkids, + ret = rndis_set_oid(usbdev, cpu_to_le32(OID_802_11_PMKID), pmkids, le32_to_cpu(pmkids->length)); if (ret < 0) { netdev_dbg(usbdev->net, "%s(): OID_802_11_PMKID(%d, %d) -> %d" @@ -2113,7 +2113,7 @@ resize_buf: * resizing until it won't get any bigger. */ new_len = len; - ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &new_len); + ret = rndis_query_oid(usbdev, cpu_to_le32(OID_802_11_BSSID_LIST), buf, &new_len); if (ret != 0 || new_len < sizeof(struct ndis_80211_bssid_list_ex)) goto out; @@ -2511,14 +2511,14 @@ static void rndis_fill_station_info(struct usbnet *usbdev, memset(sinfo, 0, sizeof(*sinfo)); len = sizeof(linkspeed); - ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &linkspeed, &len); + ret = rndis_query_oid(usbdev, cpu_to_le32(OID_GEN_LINK_SPEED), &linkspeed, &len); if (ret == 0) { sinfo->txrate.legacy = le32_to_cpu(linkspeed) / 1000; sinfo->filled |= STATION_INFO_TX_BITRATE; } len = sizeof(rssi); - ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len); + ret = rndis_query_oid(usbdev, cpu_to_le32(OID_802_11_RSSI), &rssi, &len); if (ret == 0) { sinfo->signal = level_to_qual(le32_to_cpu(rssi)); sinfo->filled |= STATION_INFO_SIGNAL; @@ -2624,7 +2624,7 @@ static int rndis_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev) pmkid.length = cpu_to_le32(sizeof(pmkid)); pmkid.bssid_info_count = cpu_to_le32(0); - return rndis_set_oid(usbdev, OID_802_11_PMKID, &pmkid, sizeof(pmkid)); + return rndis_set_oid(usbdev, cpu_to_le32(OID_802_11_PMKID), &pmkid, sizeof(pmkid)); } static int rndis_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, @@ -2654,7 +2654,7 @@ static int rndis_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, priv->power_mode = power_mode; mode = cpu_to_le32(power_mode); - ret = rndis_set_oid(usbdev, OID_802_11_POWER_MODE, &mode, sizeof(mode)); + ret = rndis_set_oid(usbdev, cpu_to_le32(OID_802_11_POWER_MODE), &mode, sizeof(mode)); netdev_dbg(usbdev->net, "%s(): OID_802_11_POWER_MODE -> %d\n", __func__, ret); @@ -2693,7 +2693,7 @@ static void rndis_wlan_craft_connected_bss(struct usbnet *usbdev, u8 *bssid, /* Get signal quality, in case of error use rssi=0 and ignore error. */ len = sizeof(rssi); rssi = 0; - ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len); + ret = rndis_query_oid(usbdev, cpu_to_le32(OID_802_11_RSSI), &rssi, &len); signal = level_to_qual(le32_to_cpu(rssi)); netdev_dbg(usbdev->net, "%s(): OID_802_11_RSSI -> %d, " @@ -2720,7 +2720,7 @@ static void rndis_wlan_craft_connected_bss(struct usbnet *usbdev, u8 *bssid, /* Get SSID, in case of error, use zero length SSID and ignore error. */ len = sizeof(ssid); memset(&ssid, 0, sizeof(ssid)); - ret = rndis_query_oid(usbdev, OID_802_11_SSID, &ssid, &len); + ret = rndis_query_oid(usbdev, cpu_to_le32(OID_802_11_SSID), &ssid, &len); netdev_dbg(usbdev->net, "%s(): OID_802_11_SSID -> %d, len: %d, ssid: " "'%.32s'\n", __func__, ret, le32_to_cpu(ssid.length), ssid.essid); @@ -3096,8 +3096,8 @@ static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen) struct rndis_indicate *msg = ind; switch (msg->status) { - case RNDIS_STATUS_MEDIA_CONNECT: - if (priv->current_command_oid == OID_802_11_ADD_KEY) { + case cpu_to_le32(RNDIS_STATUS_MEDIA_CONNECT): + if (priv->current_command_oid == cpu_to_le32(OID_802_11_ADD_KEY)) { /* OID_802_11_ADD_KEY causes sometimes extra * "media connect" indications which confuses driver * and userspace to think that device is @@ -3116,7 +3116,7 @@ static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen) queue_work(priv->workqueue, &priv->work); break; - case RNDIS_STATUS_MEDIA_DISCONNECT: + case cpu_to_le32(RNDIS_STATUS_MEDIA_DISCONNECT): netdev_info(usbdev->net, "media disconnect\n"); /* queue work to avoid recursive calls into rndis_command */ @@ -3124,7 +3124,7 @@ static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen) queue_work(priv->workqueue, &priv->work); break; - case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION: + case cpu_to_le32(RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION): rndis_wlan_media_specific_indication(usbdev, msg, buflen); break; @@ -3148,7 +3148,7 @@ static int rndis_wlan_get_caps(struct usbnet *usbdev, struct wiphy *wiphy) /* determine supported modes */ len = sizeof(networks_supported); - retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED, + retval = rndis_query_oid(usbdev, cpu_to_le32(OID_802_11_NETWORK_TYPES_SUPPORTED), &networks_supported, &len); if (retval >= 0) { n = le32_to_cpu(networks_supported.num_items); @@ -3173,7 +3173,7 @@ static int rndis_wlan_get_caps(struct usbnet *usbdev, struct wiphy *wiphy) /* get device 802.11 capabilities, number of PMKIDs */ caps = (struct ndis_80211_capability *)caps_buf; len = sizeof(caps_buf); - retval = rndis_query_oid(usbdev, OID_802_11_CAPABILITY, caps, &len); + retval = rndis_query_oid(usbdev, cpu_to_le32(OID_802_11_CAPABILITY), caps, &len); if (retval >= 0) { netdev_dbg(usbdev->net, "OID_802_11_CAPABILITY -> len %d, " "ver %d, pmkids %d, auth-encr-pairs %d\n", @@ -3247,7 +3247,7 @@ static void rndis_device_poller(struct work_struct *work) } len = sizeof(rssi); - ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len); + ret = rndis_query_oid(usbdev, cpu_to_le32(OID_802_11_RSSI), &rssi, &len); if (ret == 0) { priv->last_qual = level_to_qual(le32_to_cpu(rssi)); rndis_do_cqm(usbdev, le32_to_cpu(rssi)); @@ -3275,7 +3275,7 @@ static void rndis_device_poller(struct work_struct *work) * working. */ tmp = cpu_to_le32(1); - rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp, + rndis_set_oid(usbdev, cpu_to_le32(OID_802_11_BSSID_LIST_SCAN), &tmp, sizeof(tmp)); len = CONTROL_BUFFER_SIZE; @@ -3283,7 +3283,7 @@ static void rndis_device_poller(struct work_struct *work) if (!buf) goto end; - rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len); + rndis_query_oid(usbdev, cpu_to_le32(OID_802_11_BSSID_LIST), buf, &len); kfree(buf); } @@ -3465,13 +3465,15 @@ static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf) */ usbdev->net->netdev_ops = &rndis_wlan_netdev_ops; - tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST; - retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp, - sizeof(tmp)); + tmp = cpu_to_le32(RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST); + retval = rndis_set_oid(usbdev, + cpu_to_le32(OID_GEN_CURRENT_PACKET_FILTER), + &tmp, sizeof(tmp)); len = sizeof(tmp); - retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp, - &len); + retval = rndis_query_oid(usbdev, + cpu_to_le32(OID_802_3_MAXIMUM_LIST_SIZE), + &tmp, &len); priv->multicast_size = le32_to_cpu(tmp); if (retval < 0 || priv->multicast_size < 0) priv->multicast_size = 0; @@ -3601,7 +3603,7 @@ static int rndis_wlan_stop(struct usbnet *usbdev) /* Set current packet filter zero to block receiving data packets from device. */ filter = 0; - rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter, + rndis_set_oid(usbdev, cpu_to_le32(OID_GEN_CURRENT_PACKET_FILTER), &filter, sizeof(filter)); return retval; diff --git a/include/linux/usb/rndis_host.h b/include/linux/usb/rndis_host.h index 88fceb718c77..9a005b627eb2 100644 --- a/include/linux/usb/rndis_host.h +++ b/include/linux/usb/rndis_host.h @@ -49,46 +49,46 @@ struct rndis_msg_hdr { */ #define RNDIS_CONTROL_TIMEOUT_MS (5 * 1000) -#define RNDIS_MSG_COMPLETION cpu_to_le32(0x80000000) +#define RNDIS_MSG_COMPLETION 0x80000000 /* codes for "msg_type" field of rndis messages; * only the data channel uses packet messages (maybe batched); * everything else goes on the control channel. */ -#define RNDIS_MSG_PACKET cpu_to_le32(0x00000001) /* 1-N packets */ -#define RNDIS_MSG_INIT cpu_to_le32(0x00000002) +#define RNDIS_MSG_PACKET 0x00000001 /* 1-N packets */ +#define RNDIS_MSG_INIT 0x00000002 #define RNDIS_MSG_INIT_C (RNDIS_MSG_INIT|RNDIS_MSG_COMPLETION) -#define RNDIS_MSG_HALT cpu_to_le32(0x00000003) -#define RNDIS_MSG_QUERY cpu_to_le32(0x00000004) +#define RNDIS_MSG_HALT 0x00000003 +#define RNDIS_MSG_QUERY 0x00000004 #define RNDIS_MSG_QUERY_C (RNDIS_MSG_QUERY|RNDIS_MSG_COMPLETION) -#define RNDIS_MSG_SET cpu_to_le32(0x00000005) +#define RNDIS_MSG_SET 0x00000005 #define RNDIS_MSG_SET_C (RNDIS_MSG_SET|RNDIS_MSG_COMPLETION) -#define RNDIS_MSG_RESET cpu_to_le32(0x00000006) +#define RNDIS_MSG_RESET 0x00000006 #define RNDIS_MSG_RESET_C (RNDIS_MSG_RESET|RNDIS_MSG_COMPLETION) -#define RNDIS_MSG_INDICATE cpu_to_le32(0x00000007) -#define RNDIS_MSG_KEEPALIVE cpu_to_le32(0x00000008) +#define RNDIS_MSG_INDICATE 0x00000007 +#define RNDIS_MSG_KEEPALIVE 0x00000008 #define RNDIS_MSG_KEEPALIVE_C (RNDIS_MSG_KEEPALIVE|RNDIS_MSG_COMPLETION) /* codes for "status" field of completion messages */ -#define RNDIS_STATUS_SUCCESS cpu_to_le32(0x00000000) -#define RNDIS_STATUS_FAILURE cpu_to_le32(0xc0000001) -#define RNDIS_STATUS_INVALID_DATA cpu_to_le32(0xc0010015) -#define RNDIS_STATUS_NOT_SUPPORTED cpu_to_le32(0xc00000bb) -#define RNDIS_STATUS_MEDIA_CONNECT cpu_to_le32(0x4001000b) -#define RNDIS_STATUS_MEDIA_DISCONNECT cpu_to_le32(0x4001000c) -#define RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION cpu_to_le32(0x40010012) +#define RNDIS_STATUS_SUCCESS 0x00000000 +#define RNDIS_STATUS_FAILURE 0xc0000001 +#define RNDIS_STATUS_INVALID_DATA 0xc0010015 +#define RNDIS_STATUS_NOT_SUPPORTED 0xc00000bb +#define RNDIS_STATUS_MEDIA_CONNECT 0x4001000b +#define RNDIS_STATUS_MEDIA_DISCONNECT 0x4001000c +#define RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION 0x40010012 /* codes for OID_GEN_PHYSICAL_MEDIUM */ -#define RNDIS_PHYSICAL_MEDIUM_UNSPECIFIED cpu_to_le32(0x00000000) -#define RNDIS_PHYSICAL_MEDIUM_WIRELESS_LAN cpu_to_le32(0x00000001) -#define RNDIS_PHYSICAL_MEDIUM_CABLE_MODEM cpu_to_le32(0x00000002) -#define RNDIS_PHYSICAL_MEDIUM_PHONE_LINE cpu_to_le32(0x00000003) -#define RNDIS_PHYSICAL_MEDIUM_POWER_LINE cpu_to_le32(0x00000004) -#define RNDIS_PHYSICAL_MEDIUM_DSL cpu_to_le32(0x00000005) -#define RNDIS_PHYSICAL_MEDIUM_FIBRE_CHANNEL cpu_to_le32(0x00000006) -#define RNDIS_PHYSICAL_MEDIUM_1394 cpu_to_le32(0x00000007) -#define RNDIS_PHYSICAL_MEDIUM_WIRELESS_WAN cpu_to_le32(0x00000008) -#define RNDIS_PHYSICAL_MEDIUM_MAX cpu_to_le32(0x00000009) +#define RNDIS_PHYSICAL_MEDIUM_UNSPECIFIED 0x00000000 +#define RNDIS_PHYSICAL_MEDIUM_WIRELESS_LAN 0x00000001 +#define RNDIS_PHYSICAL_MEDIUM_CABLE_MODEM 0x00000002 +#define RNDIS_PHYSICAL_MEDIUM_PHONE_LINE 0x00000003 +#define RNDIS_PHYSICAL_MEDIUM_POWER_LINE 0x00000004 +#define RNDIS_PHYSICAL_MEDIUM_DSL 0x00000005 +#define RNDIS_PHYSICAL_MEDIUM_FIBRE_CHANNEL 0x00000006 +#define RNDIS_PHYSICAL_MEDIUM_1394 0x00000007 +#define RNDIS_PHYSICAL_MEDIUM_WIRELESS_WAN 0x00000008 +#define RNDIS_PHYSICAL_MEDIUM_MAX 0x00000009 struct rndis_data_hdr { __le32 msg_type; /* RNDIS_MSG_PACKET */ @@ -226,24 +226,24 @@ struct rndis_keepalive_c { /* IN (optionally OUT) */ * there are gobs more that may optionally be supported. We'll avoid as much * of that mess as possible. */ -#define OID_802_3_PERMANENT_ADDRESS cpu_to_le32(0x01010101) -#define OID_GEN_MAXIMUM_FRAME_SIZE cpu_to_le32(0x00010106) -#define OID_GEN_CURRENT_PACKET_FILTER cpu_to_le32(0x0001010e) -#define OID_GEN_PHYSICAL_MEDIUM cpu_to_le32(0x00010202) +#define OID_802_3_PERMANENT_ADDRESS 0x01010101 +#define OID_GEN_MAXIMUM_FRAME_SIZE 0x00010106 +#define OID_GEN_CURRENT_PACKET_FILTER 0x0001010e +#define OID_GEN_PHYSICAL_MEDIUM 0x00010202 /* packet filter bits used by OID_GEN_CURRENT_PACKET_FILTER */ -#define RNDIS_PACKET_TYPE_DIRECTED cpu_to_le32(0x00000001) -#define RNDIS_PACKET_TYPE_MULTICAST cpu_to_le32(0x00000002) -#define RNDIS_PACKET_TYPE_ALL_MULTICAST cpu_to_le32(0x00000004) -#define RNDIS_PACKET_TYPE_BROADCAST cpu_to_le32(0x00000008) -#define RNDIS_PACKET_TYPE_SOURCE_ROUTING cpu_to_le32(0x00000010) -#define RNDIS_PACKET_TYPE_PROMISCUOUS cpu_to_le32(0x00000020) -#define RNDIS_PACKET_TYPE_SMT cpu_to_le32(0x00000040) -#define RNDIS_PACKET_TYPE_ALL_LOCAL cpu_to_le32(0x00000080) -#define RNDIS_PACKET_TYPE_GROUP cpu_to_le32(0x00001000) -#define RNDIS_PACKET_TYPE_ALL_FUNCTIONAL cpu_to_le32(0x00002000) -#define RNDIS_PACKET_TYPE_FUNCTIONAL cpu_to_le32(0x00004000) -#define RNDIS_PACKET_TYPE_MAC_FRAME cpu_to_le32(0x00008000) +#define RNDIS_PACKET_TYPE_DIRECTED 0x00000001 +#define RNDIS_PACKET_TYPE_MULTICAST 0x00000002 +#define RNDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004 +#define RNDIS_PACKET_TYPE_BROADCAST 0x00000008 +#define RNDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010 +#define RNDIS_PACKET_TYPE_PROMISCUOUS 0x00000020 +#define RNDIS_PACKET_TYPE_SMT 0x00000040 +#define RNDIS_PACKET_TYPE_ALL_LOCAL 0x00000080 +#define RNDIS_PACKET_TYPE_GROUP 0x00001000 +#define RNDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00002000 +#define RNDIS_PACKET_TYPE_FUNCTIONAL 0x00004000 +#define RNDIS_PACKET_TYPE_MAC_FRAME 0x00008000 /* default filter used with RNDIS devices */ #define RNDIS_DEFAULT_FILTER ( \ -- cgit v1.3-8-gc7d7 From 7591157e1848b5db900b34016e2a2182329a93bb Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Fri, 11 May 2012 22:15:50 +0000 Subject: usb/net: rndis: break out defines As a first step to consolidate the RNDIS implementations, break out a common file with all the #defines and move it to . This also deletes the immediate duplicated defines in the file that yields a lot of compilation warnings. Reviewed-by: Haiyang Zhang Signed-off-by: Linus Walleij Signed-off-by: David S. Miller --- drivers/net/hyperv/hyperv_net.h | 290 +------------------- drivers/net/wireless/rndis_wlan.c | 49 ---- drivers/usb/gadget/ndis.h | 164 ----------- drivers/usb/gadget/rndis.h | 48 +--- include/linux/rndis.h | 561 ++++++++++++++++++++++++++++++++++++++ include/linux/usb/rndis_host.h | 66 +---- 6 files changed, 565 insertions(+), 613 deletions(-) create mode 100644 include/linux/rndis.h (limited to 'include/linux/usb') diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index c35824552792..4ffcd57b011b 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -27,6 +27,7 @@ #include #include +#include /* Fwd declaration */ struct hv_netvsc_packet; @@ -506,295 +507,6 @@ struct netvsc_device { void *extension; }; - -/* Status codes */ - - -#ifndef STATUS_SUCCESS -#define STATUS_SUCCESS (0x00000000L) -#endif - -#ifndef STATUS_UNSUCCESSFUL -#define STATUS_UNSUCCESSFUL (0xC0000001L) -#endif - -#ifndef STATUS_PENDING -#define STATUS_PENDING (0x00000103L) -#endif - -#ifndef STATUS_INSUFFICIENT_RESOURCES -#define STATUS_INSUFFICIENT_RESOURCES (0xC000009AL) -#endif - -#ifndef STATUS_BUFFER_OVERFLOW -#define STATUS_BUFFER_OVERFLOW (0x80000005L) -#endif - -#ifndef STATUS_NOT_SUPPORTED -#define STATUS_NOT_SUPPORTED (0xC00000BBL) -#endif - -#define RNDIS_STATUS_SUCCESS (STATUS_SUCCESS) -#define RNDIS_STATUS_PENDING (STATUS_PENDING) -#define RNDIS_STATUS_NOT_RECOGNIZED (0x00010001L) -#define RNDIS_STATUS_NOT_COPIED (0x00010002L) -#define RNDIS_STATUS_NOT_ACCEPTED (0x00010003L) -#define RNDIS_STATUS_CALL_ACTIVE (0x00010007L) - -#define RNDIS_STATUS_ONLINE (0x40010003L) -#define RNDIS_STATUS_RESET_START (0x40010004L) -#define RNDIS_STATUS_RESET_END (0x40010005L) -#define RNDIS_STATUS_RING_STATUS (0x40010006L) -#define RNDIS_STATUS_CLOSED (0x40010007L) -#define RNDIS_STATUS_WAN_LINE_UP (0x40010008L) -#define RNDIS_STATUS_WAN_LINE_DOWN (0x40010009L) -#define RNDIS_STATUS_WAN_FRAGMENT (0x4001000AL) -#define RNDIS_STATUS_MEDIA_CONNECT (0x4001000BL) -#define RNDIS_STATUS_MEDIA_DISCONNECT (0x4001000CL) -#define RNDIS_STATUS_HARDWARE_LINE_UP (0x4001000DL) -#define RNDIS_STATUS_HARDWARE_LINE_DOWN (0x4001000EL) -#define RNDIS_STATUS_INTERFACE_UP (0x4001000FL) -#define RNDIS_STATUS_INTERFACE_DOWN (0x40010010L) -#define RNDIS_STATUS_MEDIA_BUSY (0x40010011L) -#define RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION (0x40010012L) -#define RNDIS_STATUS_WW_INDICATION RDIA_SPECIFIC_INDICATION -#define RNDIS_STATUS_LINK_SPEED_CHANGE (0x40010013L) - -#define RNDIS_STATUS_NOT_RESETTABLE (0x80010001L) -#define RNDIS_STATUS_SOFT_ERRORS (0x80010003L) -#define RNDIS_STATUS_HARD_ERRORS (0x80010004L) -#define RNDIS_STATUS_BUFFER_OVERFLOW (STATUS_BUFFER_OVERFLOW) - -#define RNDIS_STATUS_FAILURE (STATUS_UNSUCCESSFUL) -#define RNDIS_STATUS_RESOURCES (STATUS_INSUFFICIENT_RESOURCES) -#define RNDIS_STATUS_CLOSING (0xC0010002L) -#define RNDIS_STATUS_BAD_VERSION (0xC0010004L) -#define RNDIS_STATUS_BAD_CHARACTERISTICS (0xC0010005L) -#define RNDIS_STATUS_ADAPTER_NOT_FOUND (0xC0010006L) -#define RNDIS_STATUS_OPEN_FAILED (0xC0010007L) -#define RNDIS_STATUS_DEVICE_FAILED (0xC0010008L) -#define RNDIS_STATUS_MULTICAST_FULL (0xC0010009L) -#define RNDIS_STATUS_MULTICAST_EXISTS (0xC001000AL) -#define RNDIS_STATUS_MULTICAST_NOT_FOUND (0xC001000BL) -#define RNDIS_STATUS_REQUEST_ABORTED (0xC001000CL) -#define RNDIS_STATUS_RESET_IN_PROGRESS (0xC001000DL) -#define RNDIS_STATUS_CLOSING_INDICATING (0xC001000EL) -#define RNDIS_STATUS_NOT_SUPPORTED (STATUS_NOT_SUPPORTED) -#define RNDIS_STATUS_INVALID_PACKET (0xC001000FL) -#define RNDIS_STATUS_OPEN_LIST_FULL (0xC0010010L) -#define RNDIS_STATUS_ADAPTER_NOT_READY (0xC0010011L) -#define RNDIS_STATUS_ADAPTER_NOT_OPEN (0xC0010012L) -#define RNDIS_STATUS_NOT_INDICATING (0xC0010013L) -#define RNDIS_STATUS_INVALID_LENGTH (0xC0010014L) -#define RNDIS_STATUS_INVALID_DATA (0xC0010015L) -#define RNDIS_STATUS_BUFFER_TOO_SHORT (0xC0010016L) -#define RNDIS_STATUS_INVALID_OID (0xC0010017L) -#define RNDIS_STATUS_ADAPTER_REMOVED (0xC0010018L) -#define RNDIS_STATUS_UNSUPPORTED_MEDIA (0xC0010019L) -#define RNDIS_STATUS_GROUP_ADDRESS_IN_USE (0xC001001AL) -#define RNDIS_STATUS_FILE_NOT_FOUND (0xC001001BL) -#define RNDIS_STATUS_ERROR_READING_FILE (0xC001001CL) -#define RNDIS_STATUS_ALREADY_MAPPED (0xC001001DL) -#define RNDIS_STATUS_RESOURCE_CONFLICT (0xC001001EL) -#define RNDIS_STATUS_NO_CABLE (0xC001001FL) - -#define RNDIS_STATUS_INVALID_SAP (0xC0010020L) -#define RNDIS_STATUS_SAP_IN_USE (0xC0010021L) -#define RNDIS_STATUS_INVALID_ADDRESS (0xC0010022L) -#define RNDIS_STATUS_VC_NOT_ACTIVATED (0xC0010023L) -#define RNDIS_STATUS_DEST_OUT_OF_ORDER (0xC0010024L) -#define RNDIS_STATUS_VC_NOT_AVAILABLE (0xC0010025L) -#define RNDIS_STATUS_CELLRATE_NOT_AVAILABLE (0xC0010026L) -#define RNDIS_STATUS_INCOMPATABLE_QOS (0xC0010027L) -#define RNDIS_STATUS_AAL_PARAMS_UNSUPPORTED (0xC0010028L) -#define RNDIS_STATUS_NO_ROUTE_TO_DESTINATION (0xC0010029L) - -#define RNDIS_STATUS_TOKEN_RING_OPEN_ERROR (0xC0011000L) - -/* Object Identifiers used by NdisRequest Query/Set Information */ -/* General Objects */ -#define RNDIS_OID_GEN_SUPPORTED_LIST 0x00010101 -#define RNDIS_OID_GEN_HARDWARE_STATUS 0x00010102 -#define RNDIS_OID_GEN_MEDIA_SUPPORTED 0x00010103 -#define RNDIS_OID_GEN_MEDIA_IN_USE 0x00010104 -#define RNDIS_OID_GEN_MAXIMUM_LOOKAHEAD 0x00010105 -#define RNDIS_OID_GEN_MAXIMUM_FRAME_SIZE 0x00010106 -#define RNDIS_OID_GEN_LINK_SPEED 0x00010107 -#define RNDIS_OID_GEN_TRANSMIT_BUFFER_SPACE 0x00010108 -#define RNDIS_OID_GEN_RECEIVE_BUFFER_SPACE 0x00010109 -#define RNDIS_OID_GEN_TRANSMIT_BLOCK_SIZE 0x0001010A -#define RNDIS_OID_GEN_RECEIVE_BLOCK_SIZE 0x0001010B -#define RNDIS_OID_GEN_VENDOR_ID 0x0001010C -#define RNDIS_OID_GEN_VENDOR_DESCRIPTION 0x0001010D -#define RNDIS_OID_GEN_CURRENT_PACKET_FILTER 0x0001010E -#define RNDIS_OID_GEN_CURRENT_LOOKAHEAD 0x0001010F -#define RNDIS_OID_GEN_DRIVER_VERSION 0x00010110 -#define RNDIS_OID_GEN_MAXIMUM_TOTAL_SIZE 0x00010111 -#define RNDIS_OID_GEN_PROTOCOL_OPTIONS 0x00010112 -#define RNDIS_OID_GEN_MAC_OPTIONS 0x00010113 -#define RNDIS_OID_GEN_MEDIA_CONNECT_STATUS 0x00010114 -#define RNDIS_OID_GEN_MAXIMUM_SEND_PACKETS 0x00010115 -#define RNDIS_OID_GEN_VENDOR_DRIVER_VERSION 0x00010116 -#define RNDIS_OID_GEN_NETWORK_LAYER_ADDRESSES 0x00010118 -#define RNDIS_OID_GEN_TRANSPORT_HEADER_OFFSET 0x00010119 -#define RNDIS_OID_GEN_MACHINE_NAME 0x0001021A -#define RNDIS_OID_GEN_RNDIS_CONFIG_PARAMETER 0x0001021B - -#define RNDIS_OID_GEN_XMIT_OK 0x00020101 -#define RNDIS_OID_GEN_RCV_OK 0x00020102 -#define RNDIS_OID_GEN_XMIT_ERROR 0x00020103 -#define RNDIS_OID_GEN_RCV_ERROR 0x00020104 -#define RNDIS_OID_GEN_RCV_NO_BUFFER 0x00020105 - -#define RNDIS_OID_GEN_DIRECTED_BYTES_XMIT 0x00020201 -#define RNDIS_OID_GEN_DIRECTED_FRAMES_XMIT 0x00020202 -#define RNDIS_OID_GEN_MULTICAST_BYTES_XMIT 0x00020203 -#define RNDIS_OID_GEN_MULTICAST_FRAMES_XMIT 0x00020204 -#define RNDIS_OID_GEN_BROADCAST_BYTES_XMIT 0x00020205 -#define RNDIS_OID_GEN_BROADCAST_FRAMES_XMIT 0x00020206 -#define RNDIS_OID_GEN_DIRECTED_BYTES_RCV 0x00020207 -#define RNDIS_OID_GEN_DIRECTED_FRAMES_RCV 0x00020208 -#define RNDIS_OID_GEN_MULTICAST_BYTES_RCV 0x00020209 -#define RNDIS_OID_GEN_MULTICAST_FRAMES_RCV 0x0002020A -#define RNDIS_OID_GEN_BROADCAST_BYTES_RCV 0x0002020B -#define RNDIS_OID_GEN_BROADCAST_FRAMES_RCV 0x0002020C - -#define RNDIS_OID_GEN_RCV_CRC_ERROR 0x0002020D -#define RNDIS_OID_GEN_TRANSMIT_QUEUE_LENGTH 0x0002020E - -#define RNDIS_OID_GEN_GET_TIME_CAPS 0x0002020F -#define RNDIS_OID_GEN_GET_NETCARD_TIME 0x00020210 - -/* These are connection-oriented general OIDs. */ -/* These replace the above OIDs for connection-oriented media. */ -#define RNDIS_OID_GEN_CO_SUPPORTED_LIST 0x00010101 -#define RNDIS_OID_GEN_CO_HARDWARE_STATUS 0x00010102 -#define RNDIS_OID_GEN_CO_MEDIA_SUPPORTED 0x00010103 -#define RNDIS_OID_GEN_CO_MEDIA_IN_USE 0x00010104 -#define RNDIS_OID_GEN_CO_LINK_SPEED 0x00010105 -#define RNDIS_OID_GEN_CO_VENDOR_ID 0x00010106 -#define RNDIS_OID_GEN_CO_VENDOR_DESCRIPTION 0x00010107 -#define RNDIS_OID_GEN_CO_DRIVER_VERSION 0x00010108 -#define RNDIS_OID_GEN_CO_PROTOCOL_OPTIONS 0x00010109 -#define RNDIS_OID_GEN_CO_MAC_OPTIONS 0x0001010A -#define RNDIS_OID_GEN_CO_MEDIA_CONNECT_STATUS 0x0001010B -#define RNDIS_OID_GEN_CO_VENDOR_DRIVER_VERSION 0x0001010C -#define RNDIS_OID_GEN_CO_MINIMUM_LINK_SPEED 0x0001010D - -#define RNDIS_OID_GEN_CO_GET_TIME_CAPS 0x00010201 -#define RNDIS_OID_GEN_CO_GET_NETCARD_TIME 0x00010202 - -/* These are connection-oriented statistics OIDs. */ -#define RNDIS_OID_GEN_CO_XMIT_PDUS_OK 0x00020101 -#define RNDIS_OID_GEN_CO_RCV_PDUS_OK 0x00020102 -#define RNDIS_OID_GEN_CO_XMIT_PDUS_ERROR 0x00020103 -#define RNDIS_OID_GEN_CO_RCV_PDUS_ERROR 0x00020104 -#define RNDIS_OID_GEN_CO_RCV_PDUS_NO_BUFFER 0x00020105 - - -#define RNDIS_OID_GEN_CO_RCV_CRC_ERROR 0x00020201 -#define RNDIS_OID_GEN_CO_TRANSMIT_QUEUE_LENGTH 0x00020202 -#define RNDIS_OID_GEN_CO_BYTES_XMIT 0x00020203 -#define RNDIS_OID_GEN_CO_BYTES_RCV 0x00020204 -#define RNDIS_OID_GEN_CO_BYTES_XMIT_OUTSTANDING 0x00020205 -#define RNDIS_OID_GEN_CO_NETCARD_LOAD 0x00020206 - -/* These are objects for Connection-oriented media call-managers. */ -#define RNDIS_OID_CO_ADD_PVC 0xFF000001 -#define RNDIS_OID_CO_DELETE_PVC 0xFF000002 -#define RNDIS_OID_CO_GET_CALL_INFORMATION 0xFF000003 -#define RNDIS_OID_CO_ADD_ADDRESS 0xFF000004 -#define RNDIS_OID_CO_DELETE_ADDRESS 0xFF000005 -#define RNDIS_OID_CO_GET_ADDRESSES 0xFF000006 -#define RNDIS_OID_CO_ADDRESS_CHANGE 0xFF000007 -#define RNDIS_OID_CO_SIGNALING_ENABLED 0xFF000008 -#define RNDIS_OID_CO_SIGNALING_DISABLED 0xFF000009 - -/* 802.3 Objects (Ethernet) */ -#define RNDIS_OID_802_3_PERMANENT_ADDRESS 0x01010101 -#define RNDIS_OID_802_3_CURRENT_ADDRESS 0x01010102 -#define RNDIS_OID_802_3_MULTICAST_LIST 0x01010103 -#define RNDIS_OID_802_3_MAXIMUM_LIST_SIZE 0x01010104 -#define RNDIS_OID_802_3_MAC_OPTIONS 0x01010105 - -#define NDIS_802_3_MAC_OPTION_PRIORITY 0x00000001 - -#define RNDIS_OID_802_3_RCV_ERROR_ALIGNMENT 0x01020101 -#define RNDIS_OID_802_3_XMIT_ONE_COLLISION 0x01020102 -#define RNDIS_OID_802_3_XMIT_MORE_COLLISIONS 0x01020103 - -#define RNDIS_OID_802_3_XMIT_DEFERRED 0x01020201 -#define RNDIS_OID_802_3_XMIT_MAX_COLLISIONS 0x01020202 -#define RNDIS_OID_802_3_RCV_OVERRUN 0x01020203 -#define RNDIS_OID_802_3_XMIT_UNDERRUN 0x01020204 -#define RNDIS_OID_802_3_XMIT_HEARTBEAT_FAILURE 0x01020205 -#define RNDIS_OID_802_3_XMIT_TIMES_CRS_LOST 0x01020206 -#define RNDIS_OID_802_3_XMIT_LATE_COLLISIONS 0x01020207 - -/* Remote NDIS message types */ -#define REMOTE_NDIS_PACKET_MSG 0x00000001 -#define REMOTE_NDIS_INITIALIZE_MSG 0x00000002 -#define REMOTE_NDIS_HALT_MSG 0x00000003 -#define REMOTE_NDIS_QUERY_MSG 0x00000004 -#define REMOTE_NDIS_SET_MSG 0x00000005 -#define REMOTE_NDIS_RESET_MSG 0x00000006 -#define REMOTE_NDIS_INDICATE_STATUS_MSG 0x00000007 -#define REMOTE_NDIS_KEEPALIVE_MSG 0x00000008 - -#define REMOTE_CONDIS_MP_CREATE_VC_MSG 0x00008001 -#define REMOTE_CONDIS_MP_DELETE_VC_MSG 0x00008002 -#define REMOTE_CONDIS_MP_ACTIVATE_VC_MSG 0x00008005 -#define REMOTE_CONDIS_MP_DEACTIVATE_VC_MSG 0x00008006 -#define REMOTE_CONDIS_INDICATE_STATUS_MSG 0x00008007 - -/* Remote NDIS message completion types */ -#define REMOTE_NDIS_INITIALIZE_CMPLT 0x80000002 -#define REMOTE_NDIS_QUERY_CMPLT 0x80000004 -#define REMOTE_NDIS_SET_CMPLT 0x80000005 -#define REMOTE_NDIS_RESET_CMPLT 0x80000006 -#define REMOTE_NDIS_KEEPALIVE_CMPLT 0x80000008 - -#define REMOTE_CONDIS_MP_CREATE_VC_CMPLT 0x80008001 -#define REMOTE_CONDIS_MP_DELETE_VC_CMPLT 0x80008002 -#define REMOTE_CONDIS_MP_ACTIVATE_VC_CMPLT 0x80008005 -#define REMOTE_CONDIS_MP_DEACTIVATE_VC_CMPLT 0x80008006 - -/* - * Reserved message type for private communication between lower-layer host - * driver and remote device, if necessary. - */ -#define REMOTE_NDIS_BUS_MSG 0xff000001 - -/* Defines for DeviceFlags in struct rndis_initialize_complete */ -#define RNDIS_DF_CONNECTIONLESS 0x00000001 -#define RNDIS_DF_CONNECTION_ORIENTED 0x00000002 -#define RNDIS_DF_RAW_DATA 0x00000004 - -/* Remote NDIS medium types. */ -#define RNDIS_MEDIUM_802_3 0x00000000 -#define RNDIS_MEDIUM_802_5 0x00000001 -#define RNDIS_MEDIUM_FDDI 0x00000002 -#define RNDIS_MEDIUM_WAN 0x00000003 -#define RNDIS_MEDIUM_LOCAL_TALK 0x00000004 -#define RNDIS_MEDIUM_ARCNET_RAW 0x00000006 -#define RNDIS_MEDIUM_ARCNET_878_2 0x00000007 -#define RNDIS_MEDIUM_ATM 0x00000008 -#define RNDIS_MEDIUM_WIRELESS_WAN 0x00000009 -#define RNDIS_MEDIUM_IRDA 0x0000000a -#define RNDIS_MEDIUM_CO_WAN 0x0000000b -/* Not a real medium, defined as an upper-bound */ -#define RNDIS_MEDIUM_MAX 0x0000000d - - -/* Remote NDIS medium connection states. */ -#define RNDIS_MEDIA_STATE_CONNECTED 0x00000000 -#define RNDIS_MEDIA_STATE_DISCONNECTED 0x00000001 - -/* Remote NDIS version numbers */ -#define RNDIS_MAJOR_VERSION 0x00000001 -#define RNDIS_MINOR_VERSION 0x00000000 - - /* NdisInitialize message */ struct rndis_initialize_request { u32 req_id; diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c index cd828e3b8e40..dc3caba2c18b 100644 --- a/drivers/net/wireless/rndis_wlan.c +++ b/drivers/net/wireless/rndis_wlan.c @@ -88,49 +88,6 @@ module_param_named(workaround_interval, modparam_workaround_interval, MODULE_PARM_DESC(workaround_interval, "set stall workaround interval in msecs (0=disabled) (default: 0)"); - -/* various RNDIS OID defs */ -#define OID_GEN_LINK_SPEED 0x00010107 -#define OID_GEN_RNDIS_CONFIG_PARAMETER 0x0001021b - -#define OID_GEN_XMIT_OK 0x00020101 -#define OID_GEN_RCV_OK 0x00020102 -#define OID_GEN_XMIT_ERROR 0x00020103 -#define OID_GEN_RCV_ERROR 0x00020104 -#define OID_GEN_RCV_NO_BUFFER 0x00020105 - -#define OID_802_3_CURRENT_ADDRESS 0x01010102 -#define OID_802_3_MULTICAST_LIST 0x01010103 -#define OID_802_3_MAXIMUM_LIST_SIZE 0x01010104 - -#define OID_802_11_BSSID 0x0d010101 -#define OID_802_11_SSID 0x0d010102 -#define OID_802_11_INFRASTRUCTURE_MODE 0x0d010108 -#define OID_802_11_ADD_WEP 0x0d010113 -#define OID_802_11_REMOVE_WEP 0x0d010114 -#define OID_802_11_DISASSOCIATE 0x0d010115 -#define OID_802_11_AUTHENTICATION_MODE 0x0d010118 -#define OID_802_11_PRIVACY_FILTER 0x0d010119 -#define OID_802_11_BSSID_LIST_SCAN 0x0d01011a -#define OID_802_11_ENCRYPTION_STATUS 0x0d01011b -#define OID_802_11_ADD_KEY 0x0d01011d -#define OID_802_11_REMOVE_KEY 0x0d01011e -#define OID_802_11_ASSOCIATION_INFORMATION 0x0d01011f -#define OID_802_11_CAPABILITY 0x0d010122 -#define OID_802_11_PMKID 0x0d010123 -#define OID_802_11_NETWORK_TYPES_SUPPORTED 0x0d010203 -#define OID_802_11_NETWORK_TYPE_IN_USE 0x0d010204 -#define OID_802_11_TX_POWER_LEVEL 0x0d010205 -#define OID_802_11_RSSI 0x0d010206 -#define OID_802_11_RSSI_TRIGGER 0x0d010207 -#define OID_802_11_FRAGMENTATION_THRESHOLD 0x0d010209 -#define OID_802_11_RTS_THRESHOLD 0x0d01020a -#define OID_802_11_SUPPORTED_RATES 0x0d01020e -#define OID_802_11_CONFIGURATION 0x0d010211 -#define OID_802_11_POWER_MODE 0x0d010216 -#define OID_802_11_BSSID_LIST 0x0d010217 - - /* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */ #define WL_NOISE -96 /* typical noise level in dBm */ #define WL_SIGMAX -32 /* typical maximum signal level in dBm */ @@ -149,12 +106,6 @@ MODULE_PARM_DESC(workaround_interval, #define BCM4320_DEFAULT_TXPOWER_DBM_50 10 #define BCM4320_DEFAULT_TXPOWER_DBM_25 7 - -/* codes for "status" field of completion messages */ -#define RNDIS_STATUS_ADAPTER_NOT_READY 0xc0010011 -#define RNDIS_STATUS_ADAPTER_NOT_OPEN 0xc0010012 - - /* Known device types */ #define RNDIS_UNKNOWN 0 #define RNDIS_BCM4320A 1 diff --git a/drivers/usb/gadget/ndis.h b/drivers/usb/gadget/ndis.h index b0e52fc277b4..a19f72dec0cd 100644 --- a/drivers/usb/gadget/ndis.h +++ b/drivers/usb/gadget/ndis.h @@ -15,11 +15,6 @@ #ifndef _LINUX_NDIS_H #define _LINUX_NDIS_H - -#define NDIS_STATUS_MULTICAST_FULL 0xC0010009 -#define NDIS_STATUS_MULTICAST_EXISTS 0xC001000A -#define NDIS_STATUS_MULTICAST_NOT_FOUND 0xC001000B - enum NDIS_DEVICE_POWER_STATE { NdisDeviceStateUnspecified = 0, NdisDeviceStateD0, @@ -35,11 +30,6 @@ struct NDIS_PM_WAKE_UP_CAPABILITIES { enum NDIS_DEVICE_POWER_STATE MinLinkChangeWakeUp; }; -/* NDIS_PNP_CAPABILITIES.Flags constants */ -#define NDIS_DEVICE_WAKE_UP_ENABLE 0x00000001 -#define NDIS_DEVICE_WAKE_ON_PATTERN_MATCH_ENABLE 0x00000002 -#define NDIS_DEVICE_WAKE_ON_MAGIC_PACKET_ENABLE 0x00000004 - struct NDIS_PNP_CAPABILITIES { __le32 Flags; struct NDIS_PM_WAKE_UP_CAPABILITIES WakeUpCapabilities; @@ -54,158 +44,4 @@ struct NDIS_PM_PACKET_PATTERN { __le32 PatternFlags; }; - -/* Required Object IDs (OIDs) */ -#define OID_GEN_SUPPORTED_LIST 0x00010101 -#define OID_GEN_HARDWARE_STATUS 0x00010102 -#define OID_GEN_MEDIA_SUPPORTED 0x00010103 -#define OID_GEN_MEDIA_IN_USE 0x00010104 -#define OID_GEN_MAXIMUM_LOOKAHEAD 0x00010105 -#define OID_GEN_MAXIMUM_FRAME_SIZE 0x00010106 -#define OID_GEN_LINK_SPEED 0x00010107 -#define OID_GEN_TRANSMIT_BUFFER_SPACE 0x00010108 -#define OID_GEN_RECEIVE_BUFFER_SPACE 0x00010109 -#define OID_GEN_TRANSMIT_BLOCK_SIZE 0x0001010A -#define OID_GEN_RECEIVE_BLOCK_SIZE 0x0001010B -#define OID_GEN_VENDOR_ID 0x0001010C -#define OID_GEN_VENDOR_DESCRIPTION 0x0001010D -#define OID_GEN_CURRENT_PACKET_FILTER 0x0001010E -#define OID_GEN_CURRENT_LOOKAHEAD 0x0001010F -#define OID_GEN_DRIVER_VERSION 0x00010110 -#define OID_GEN_MAXIMUM_TOTAL_SIZE 0x00010111 -#define OID_GEN_PROTOCOL_OPTIONS 0x00010112 -#define OID_GEN_MAC_OPTIONS 0x00010113 -#define OID_GEN_MEDIA_CONNECT_STATUS 0x00010114 -#define OID_GEN_MAXIMUM_SEND_PACKETS 0x00010115 -#define OID_GEN_VENDOR_DRIVER_VERSION 0x00010116 -#define OID_GEN_SUPPORTED_GUIDS 0x00010117 -#define OID_GEN_NETWORK_LAYER_ADDRESSES 0x00010118 -#define OID_GEN_TRANSPORT_HEADER_OFFSET 0x00010119 -#define OID_GEN_MACHINE_NAME 0x0001021A -#define OID_GEN_RNDIS_CONFIG_PARAMETER 0x0001021B -#define OID_GEN_VLAN_ID 0x0001021C - -/* Optional OIDs */ -#define OID_GEN_MEDIA_CAPABILITIES 0x00010201 -#define OID_GEN_PHYSICAL_MEDIUM 0x00010202 - -/* Required statistics OIDs */ -#define OID_GEN_XMIT_OK 0x00020101 -#define OID_GEN_RCV_OK 0x00020102 -#define OID_GEN_XMIT_ERROR 0x00020103 -#define OID_GEN_RCV_ERROR 0x00020104 -#define OID_GEN_RCV_NO_BUFFER 0x00020105 - -/* Optional statistics OIDs */ -#define OID_GEN_DIRECTED_BYTES_XMIT 0x00020201 -#define OID_GEN_DIRECTED_FRAMES_XMIT 0x00020202 -#define OID_GEN_MULTICAST_BYTES_XMIT 0x00020203 -#define OID_GEN_MULTICAST_FRAMES_XMIT 0x00020204 -#define OID_GEN_BROADCAST_BYTES_XMIT 0x00020205 -#define OID_GEN_BROADCAST_FRAMES_XMIT 0x00020206 -#define OID_GEN_DIRECTED_BYTES_RCV 0x00020207 -#define OID_GEN_DIRECTED_FRAMES_RCV 0x00020208 -#define OID_GEN_MULTICAST_BYTES_RCV 0x00020209 -#define OID_GEN_MULTICAST_FRAMES_RCV 0x0002020A -#define OID_GEN_BROADCAST_BYTES_RCV 0x0002020B -#define OID_GEN_BROADCAST_FRAMES_RCV 0x0002020C -#define OID_GEN_RCV_CRC_ERROR 0x0002020D -#define OID_GEN_TRANSMIT_QUEUE_LENGTH 0x0002020E -#define OID_GEN_GET_TIME_CAPS 0x0002020F -#define OID_GEN_GET_NETCARD_TIME 0x00020210 -#define OID_GEN_NETCARD_LOAD 0x00020211 -#define OID_GEN_DEVICE_PROFILE 0x00020212 -#define OID_GEN_INIT_TIME_MS 0x00020213 -#define OID_GEN_RESET_COUNTS 0x00020214 -#define OID_GEN_MEDIA_SENSE_COUNTS 0x00020215 -#define OID_GEN_FRIENDLY_NAME 0x00020216 -#define OID_GEN_MINIPORT_INFO 0x00020217 -#define OID_GEN_RESET_VERIFY_PARAMETERS 0x00020218 - -/* IEEE 802.3 (Ethernet) OIDs */ -#define NDIS_802_3_MAC_OPTION_PRIORITY 0x00000001 - -#define OID_802_3_PERMANENT_ADDRESS 0x01010101 -#define OID_802_3_CURRENT_ADDRESS 0x01010102 -#define OID_802_3_MULTICAST_LIST 0x01010103 -#define OID_802_3_MAXIMUM_LIST_SIZE 0x01010104 -#define OID_802_3_MAC_OPTIONS 0x01010105 -#define OID_802_3_RCV_ERROR_ALIGNMENT 0x01020101 -#define OID_802_3_XMIT_ONE_COLLISION 0x01020102 -#define OID_802_3_XMIT_MORE_COLLISIONS 0x01020103 -#define OID_802_3_XMIT_DEFERRED 0x01020201 -#define OID_802_3_XMIT_MAX_COLLISIONS 0x01020202 -#define OID_802_3_RCV_OVERRUN 0x01020203 -#define OID_802_3_XMIT_UNDERRUN 0x01020204 -#define OID_802_3_XMIT_HEARTBEAT_FAILURE 0x01020205 -#define OID_802_3_XMIT_TIMES_CRS_LOST 0x01020206 -#define OID_802_3_XMIT_LATE_COLLISIONS 0x01020207 - -/* OID_GEN_MINIPORT_INFO constants */ -#define NDIS_MINIPORT_BUS_MASTER 0x00000001 -#define NDIS_MINIPORT_WDM_DRIVER 0x00000002 -#define NDIS_MINIPORT_SG_LIST 0x00000004 -#define NDIS_MINIPORT_SUPPORTS_MEDIA_QUERY 0x00000008 -#define NDIS_MINIPORT_INDICATES_PACKETS 0x00000010 -#define NDIS_MINIPORT_IGNORE_PACKET_QUEUE 0x00000020 -#define NDIS_MINIPORT_IGNORE_REQUEST_QUEUE 0x00000040 -#define NDIS_MINIPORT_IGNORE_TOKEN_RING_ERRORS 0x00000080 -#define NDIS_MINIPORT_INTERMEDIATE_DRIVER 0x00000100 -#define NDIS_MINIPORT_IS_NDIS_5 0x00000200 -#define NDIS_MINIPORT_IS_CO 0x00000400 -#define NDIS_MINIPORT_DESERIALIZE 0x00000800 -#define NDIS_MINIPORT_REQUIRES_MEDIA_POLLING 0x00001000 -#define NDIS_MINIPORT_SUPPORTS_MEDIA_SENSE 0x00002000 -#define NDIS_MINIPORT_NETBOOT_CARD 0x00004000 -#define NDIS_MINIPORT_PM_SUPPORTED 0x00008000 -#define NDIS_MINIPORT_SUPPORTS_MAC_ADDRESS_OVERWRITE 0x00010000 -#define NDIS_MINIPORT_USES_SAFE_BUFFER_APIS 0x00020000 -#define NDIS_MINIPORT_HIDDEN 0x00040000 -#define NDIS_MINIPORT_SWENUM 0x00080000 -#define NDIS_MINIPORT_SURPRISE_REMOVE_OK 0x00100000 -#define NDIS_MINIPORT_NO_HALT_ON_SUSPEND 0x00200000 -#define NDIS_MINIPORT_HARDWARE_DEVICE 0x00400000 -#define NDIS_MINIPORT_SUPPORTS_CANCEL_SEND_PACKETS 0x00800000 -#define NDIS_MINIPORT_64BITS_DMA 0x01000000 - -#define NDIS_MEDIUM_802_3 0x00000000 -#define NDIS_MEDIUM_802_5 0x00000001 -#define NDIS_MEDIUM_FDDI 0x00000002 -#define NDIS_MEDIUM_WAN 0x00000003 -#define NDIS_MEDIUM_LOCAL_TALK 0x00000004 -#define NDIS_MEDIUM_DIX 0x00000005 -#define NDIS_MEDIUM_ARCENT_RAW 0x00000006 -#define NDIS_MEDIUM_ARCENT_878_2 0x00000007 -#define NDIS_MEDIUM_ATM 0x00000008 -#define NDIS_MEDIUM_WIRELESS_LAN 0x00000009 -#define NDIS_MEDIUM_IRDA 0x0000000A -#define NDIS_MEDIUM_BPC 0x0000000B -#define NDIS_MEDIUM_CO_WAN 0x0000000C -#define NDIS_MEDIUM_1394 0x0000000D - -#define NDIS_PACKET_TYPE_DIRECTED 0x00000001 -#define NDIS_PACKET_TYPE_MULTICAST 0x00000002 -#define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004 -#define NDIS_PACKET_TYPE_BROADCAST 0x00000008 -#define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010 -#define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020 -#define NDIS_PACKET_TYPE_SMT 0x00000040 -#define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080 -#define NDIS_PACKET_TYPE_GROUP 0x00000100 -#define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200 -#define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400 -#define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800 - -#define NDIS_MEDIA_STATE_CONNECTED 0x00000000 -#define NDIS_MEDIA_STATE_DISCONNECTED 0x00000001 - -#define NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA 0x00000001 -#define NDIS_MAC_OPTION_RECEIVE_SERIALIZED 0x00000002 -#define NDIS_MAC_OPTION_TRANSFERS_NOT_PEND 0x00000004 -#define NDIS_MAC_OPTION_NO_LOOPBACK 0x00000008 -#define NDIS_MAC_OPTION_FULL_DUPLEX 0x00000010 -#define NDIS_MAC_OPTION_EOTX_INDICATION 0x00000020 -#define NDIS_MAC_OPTION_8021P_PRIORITY 0x00000040 -#define NDIS_MAC_OPTION_RESERVED 0x80000000 - #endif /* _LINUX_NDIS_H */ diff --git a/drivers/usb/gadget/rndis.h b/drivers/usb/gadget/rndis.h index 907c33008118..0647f2f34e89 100644 --- a/drivers/usb/gadget/rndis.h +++ b/drivers/usb/gadget/rndis.h @@ -15,58 +15,12 @@ #ifndef _LINUX_RNDIS_H #define _LINUX_RNDIS_H +#include #include "ndis.h" #define RNDIS_MAXIMUM_FRAME_SIZE 1518 #define RNDIS_MAX_TOTAL_SIZE 1558 -/* Remote NDIS Versions */ -#define RNDIS_MAJOR_VERSION 1 -#define RNDIS_MINOR_VERSION 0 - -/* Status Values */ -#define RNDIS_STATUS_SUCCESS 0x00000000U /* Success */ -#define RNDIS_STATUS_FAILURE 0xC0000001U /* Unspecified error */ -#define RNDIS_STATUS_INVALID_DATA 0xC0010015U /* Invalid data */ -#define RNDIS_STATUS_NOT_SUPPORTED 0xC00000BBU /* Unsupported request */ -#define RNDIS_STATUS_MEDIA_CONNECT 0x4001000BU /* Device connected */ -#define RNDIS_STATUS_MEDIA_DISCONNECT 0x4001000CU /* Device disconnected */ -/* For all not specified status messages: - * RNDIS_STATUS_Xxx -> NDIS_STATUS_Xxx - */ - -/* Message Set for Connectionless (802.3) Devices */ -#define REMOTE_NDIS_PACKET_MSG 0x00000001U -#define REMOTE_NDIS_INITIALIZE_MSG 0x00000002U /* Initialize device */ -#define REMOTE_NDIS_HALT_MSG 0x00000003U -#define REMOTE_NDIS_QUERY_MSG 0x00000004U -#define REMOTE_NDIS_SET_MSG 0x00000005U -#define REMOTE_NDIS_RESET_MSG 0x00000006U -#define REMOTE_NDIS_INDICATE_STATUS_MSG 0x00000007U -#define REMOTE_NDIS_KEEPALIVE_MSG 0x00000008U - -/* Message completion */ -#define REMOTE_NDIS_INITIALIZE_CMPLT 0x80000002U -#define REMOTE_NDIS_QUERY_CMPLT 0x80000004U -#define REMOTE_NDIS_SET_CMPLT 0x80000005U -#define REMOTE_NDIS_RESET_CMPLT 0x80000006U -#define REMOTE_NDIS_KEEPALIVE_CMPLT 0x80000008U - -/* Device Flags */ -#define RNDIS_DF_CONNECTIONLESS 0x00000001U -#define RNDIS_DF_CONNECTION_ORIENTED 0x00000002U - -#define RNDIS_MEDIUM_802_3 0x00000000U - -/* from drivers/net/sk98lin/h/skgepnmi.h */ -#define OID_PNP_CAPABILITIES 0xFD010100 -#define OID_PNP_SET_POWER 0xFD010101 -#define OID_PNP_QUERY_POWER 0xFD010102 -#define OID_PNP_ADD_WAKE_UP_PATTERN 0xFD010103 -#define OID_PNP_REMOVE_WAKE_UP_PATTERN 0xFD010104 -#define OID_PNP_ENABLE_WAKE_UP 0xFD010106 - - typedef struct rndis_init_msg_type { __le32 MessageType; diff --git a/include/linux/rndis.h b/include/linux/rndis.h new file mode 100644 index 000000000000..430d72eefc09 --- /dev/null +++ b/include/linux/rndis.h @@ -0,0 +1,561 @@ +/* From include/linux/usb/rndis_host.h */ + +#define RNDIS_MSG_COMPLETION 0x80000000 + +/* codes for "msg_type" field of rndis messages; + * only the data channel uses packet messages (maybe batched); + * everything else goes on the control channel. + */ +#define RNDIS_MSG_PACKET 0x00000001 /* 1-N packets */ +#define RNDIS_MSG_INIT 0x00000002 +#define RNDIS_MSG_INIT_C (RNDIS_MSG_INIT|RNDIS_MSG_COMPLETION) +#define RNDIS_MSG_HALT 0x00000003 +#define RNDIS_MSG_QUERY 0x00000004 +#define RNDIS_MSG_QUERY_C (RNDIS_MSG_QUERY|RNDIS_MSG_COMPLETION) +#define RNDIS_MSG_SET 0x00000005 +#define RNDIS_MSG_SET_C (RNDIS_MSG_SET|RNDIS_MSG_COMPLETION) +#define RNDIS_MSG_RESET 0x00000006 +#define RNDIS_MSG_RESET_C (RNDIS_MSG_RESET|RNDIS_MSG_COMPLETION) +#define RNDIS_MSG_INDICATE 0x00000007 +#define RNDIS_MSG_KEEPALIVE 0x00000008 +#define RNDIS_MSG_KEEPALIVE_C (RNDIS_MSG_KEEPALIVE|RNDIS_MSG_COMPLETION) + + +/* codes for "status" field of completion messages */ +#define RNDIS_STATUS_SUCCESS 0x00000000 +#define RNDIS_STATUS_FAILURE 0xc0000001 +#define RNDIS_STATUS_INVALID_DATA 0xc0010015 +#define RNDIS_STATUS_NOT_SUPPORTED 0xc00000bb +#define RNDIS_STATUS_MEDIA_CONNECT 0x4001000b +#define RNDIS_STATUS_MEDIA_DISCONNECT 0x4001000c +#define RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION 0x40010012 + +/* codes for OID_GEN_PHYSICAL_MEDIUM */ +#define RNDIS_PHYSICAL_MEDIUM_UNSPECIFIED 0x00000000 +#define RNDIS_PHYSICAL_MEDIUM_WIRELESS_LAN 0x00000001 +#define RNDIS_PHYSICAL_MEDIUM_CABLE_MODEM 0x00000002 +#define RNDIS_PHYSICAL_MEDIUM_PHONE_LINE 0x00000003 +#define RNDIS_PHYSICAL_MEDIUM_POWER_LINE 0x00000004 +#define RNDIS_PHYSICAL_MEDIUM_DSL 0x00000005 +#define RNDIS_PHYSICAL_MEDIUM_FIBRE_CHANNEL 0x00000006 +#define RNDIS_PHYSICAL_MEDIUM_1394 0x00000007 +#define RNDIS_PHYSICAL_MEDIUM_WIRELESS_WAN 0x00000008 +#define RNDIS_PHYSICAL_MEDIUM_MAX 0x00000009 + +/* NOTE: about 30 OIDs are "mandatory" for peripherals to support ... and + * there are gobs more that may optionally be supported. We'll avoid as much + * of that mess as possible. + */ +#define OID_802_3_PERMANENT_ADDRESS 0x01010101 +#define OID_GEN_MAXIMUM_FRAME_SIZE 0x00010106 +#define OID_GEN_CURRENT_PACKET_FILTER 0x0001010e +#define OID_GEN_PHYSICAL_MEDIUM 0x00010202 + +/* packet filter bits used by OID_GEN_CURRENT_PACKET_FILTER */ +#define RNDIS_PACKET_TYPE_DIRECTED 0x00000001 +#define RNDIS_PACKET_TYPE_MULTICAST 0x00000002 +#define RNDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004 +#define RNDIS_PACKET_TYPE_BROADCAST 0x00000008 +#define RNDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010 +#define RNDIS_PACKET_TYPE_PROMISCUOUS 0x00000020 +#define RNDIS_PACKET_TYPE_SMT 0x00000040 +#define RNDIS_PACKET_TYPE_ALL_LOCAL 0x00000080 +#define RNDIS_PACKET_TYPE_GROUP 0x00001000 +#define RNDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00002000 +#define RNDIS_PACKET_TYPE_FUNCTIONAL 0x00004000 +#define RNDIS_PACKET_TYPE_MAC_FRAME 0x00008000 + +/* From drivers/usb/gadget/ndis.h */ + +#define NDIS_STATUS_MULTICAST_FULL 0xC0010009 +#define NDIS_STATUS_MULTICAST_EXISTS 0xC001000A +#define NDIS_STATUS_MULTICAST_NOT_FOUND 0xC001000B + +/* NDIS_PNP_CAPABILITIES.Flags constants */ +#define NDIS_DEVICE_WAKE_UP_ENABLE 0x00000001 +#define NDIS_DEVICE_WAKE_ON_PATTERN_MATCH_ENABLE 0x00000002 +#define NDIS_DEVICE_WAKE_ON_MAGIC_PACKET_ENABLE 0x00000004 + +/* Required Object IDs (OIDs) */ +#define OID_GEN_SUPPORTED_LIST 0x00010101 +#define OID_GEN_HARDWARE_STATUS 0x00010102 +#define OID_GEN_MEDIA_SUPPORTED 0x00010103 +#define OID_GEN_MEDIA_IN_USE 0x00010104 +#define OID_GEN_MAXIMUM_LOOKAHEAD 0x00010105 +#define OID_GEN_LINK_SPEED 0x00010107 +#define OID_GEN_TRANSMIT_BUFFER_SPACE 0x00010108 +#define OID_GEN_RECEIVE_BUFFER_SPACE 0x00010109 +#define OID_GEN_TRANSMIT_BLOCK_SIZE 0x0001010A +#define OID_GEN_RECEIVE_BLOCK_SIZE 0x0001010B +#define OID_GEN_VENDOR_ID 0x0001010C +#define OID_GEN_VENDOR_DESCRIPTION 0x0001010D +#define OID_GEN_CURRENT_LOOKAHEAD 0x0001010F +#define OID_GEN_DRIVER_VERSION 0x00010110 +#define OID_GEN_MAXIMUM_TOTAL_SIZE 0x00010111 +#define OID_GEN_PROTOCOL_OPTIONS 0x00010112 +#define OID_GEN_MAC_OPTIONS 0x00010113 +#define OID_GEN_MEDIA_CONNECT_STATUS 0x00010114 +#define OID_GEN_MAXIMUM_SEND_PACKETS 0x00010115 +#define OID_GEN_VENDOR_DRIVER_VERSION 0x00010116 +#define OID_GEN_SUPPORTED_GUIDS 0x00010117 +#define OID_GEN_NETWORK_LAYER_ADDRESSES 0x00010118 +#define OID_GEN_TRANSPORT_HEADER_OFFSET 0x00010119 +#define OID_GEN_MACHINE_NAME 0x0001021A +#define OID_GEN_RNDIS_CONFIG_PARAMETER 0x0001021B +#define OID_GEN_VLAN_ID 0x0001021C + +/* Optional OIDs */ +#define OID_GEN_MEDIA_CAPABILITIES 0x00010201 + +/* Required statistics OIDs */ +#define OID_GEN_XMIT_OK 0x00020101 +#define OID_GEN_RCV_OK 0x00020102 +#define OID_GEN_XMIT_ERROR 0x00020103 +#define OID_GEN_RCV_ERROR 0x00020104 +#define OID_GEN_RCV_NO_BUFFER 0x00020105 + +/* Optional statistics OIDs */ +#define OID_GEN_DIRECTED_BYTES_XMIT 0x00020201 +#define OID_GEN_DIRECTED_FRAMES_XMIT 0x00020202 +#define OID_GEN_MULTICAST_BYTES_XMIT 0x00020203 +#define OID_GEN_MULTICAST_FRAMES_XMIT 0x00020204 +#define OID_GEN_BROADCAST_BYTES_XMIT 0x00020205 +#define OID_GEN_BROADCAST_FRAMES_XMIT 0x00020206 +#define OID_GEN_DIRECTED_BYTES_RCV 0x00020207 +#define OID_GEN_DIRECTED_FRAMES_RCV 0x00020208 +#define OID_GEN_MULTICAST_BYTES_RCV 0x00020209 +#define OID_GEN_MULTICAST_FRAMES_RCV 0x0002020A +#define OID_GEN_BROADCAST_BYTES_RCV 0x0002020B +#define OID_GEN_BROADCAST_FRAMES_RCV 0x0002020C +#define OID_GEN_RCV_CRC_ERROR 0x0002020D +#define OID_GEN_TRANSMIT_QUEUE_LENGTH 0x0002020E +#define OID_GEN_GET_TIME_CAPS 0x0002020F +#define OID_GEN_GET_NETCARD_TIME 0x00020210 +#define OID_GEN_NETCARD_LOAD 0x00020211 +#define OID_GEN_DEVICE_PROFILE 0x00020212 +#define OID_GEN_INIT_TIME_MS 0x00020213 +#define OID_GEN_RESET_COUNTS 0x00020214 +#define OID_GEN_MEDIA_SENSE_COUNTS 0x00020215 +#define OID_GEN_FRIENDLY_NAME 0x00020216 +#define OID_GEN_MINIPORT_INFO 0x00020217 +#define OID_GEN_RESET_VERIFY_PARAMETERS 0x00020218 + +/* IEEE 802.3 (Ethernet) OIDs */ +#define NDIS_802_3_MAC_OPTION_PRIORITY 0x00000001 + +#define OID_802_3_CURRENT_ADDRESS 0x01010102 +#define OID_802_3_MULTICAST_LIST 0x01010103 +#define OID_802_3_MAXIMUM_LIST_SIZE 0x01010104 +#define OID_802_3_MAC_OPTIONS 0x01010105 +#define OID_802_3_RCV_ERROR_ALIGNMENT 0x01020101 +#define OID_802_3_XMIT_ONE_COLLISION 0x01020102 +#define OID_802_3_XMIT_MORE_COLLISIONS 0x01020103 +#define OID_802_3_XMIT_DEFERRED 0x01020201 +#define OID_802_3_XMIT_MAX_COLLISIONS 0x01020202 +#define OID_802_3_RCV_OVERRUN 0x01020203 +#define OID_802_3_XMIT_UNDERRUN 0x01020204 +#define OID_802_3_XMIT_HEARTBEAT_FAILURE 0x01020205 +#define OID_802_3_XMIT_TIMES_CRS_LOST 0x01020206 +#define OID_802_3_XMIT_LATE_COLLISIONS 0x01020207 + +/* OID_GEN_MINIPORT_INFO constants */ +#define NDIS_MINIPORT_BUS_MASTER 0x00000001 +#define NDIS_MINIPORT_WDM_DRIVER 0x00000002 +#define NDIS_MINIPORT_SG_LIST 0x00000004 +#define NDIS_MINIPORT_SUPPORTS_MEDIA_QUERY 0x00000008 +#define NDIS_MINIPORT_INDICATES_PACKETS 0x00000010 +#define NDIS_MINIPORT_IGNORE_PACKET_QUEUE 0x00000020 +#define NDIS_MINIPORT_IGNORE_REQUEST_QUEUE 0x00000040 +#define NDIS_MINIPORT_IGNORE_TOKEN_RING_ERRORS 0x00000080 +#define NDIS_MINIPORT_INTERMEDIATE_DRIVER 0x00000100 +#define NDIS_MINIPORT_IS_NDIS_5 0x00000200 +#define NDIS_MINIPORT_IS_CO 0x00000400 +#define NDIS_MINIPORT_DESERIALIZE 0x00000800 +#define NDIS_MINIPORT_REQUIRES_MEDIA_POLLING 0x00001000 +#define NDIS_MINIPORT_SUPPORTS_MEDIA_SENSE 0x00002000 +#define NDIS_MINIPORT_NETBOOT_CARD 0x00004000 +#define NDIS_MINIPORT_PM_SUPPORTED 0x00008000 +#define NDIS_MINIPORT_SUPPORTS_MAC_ADDRESS_OVERWRITE 0x00010000 +#define NDIS_MINIPORT_USES_SAFE_BUFFER_APIS 0x00020000 +#define NDIS_MINIPORT_HIDDEN 0x00040000 +#define NDIS_MINIPORT_SWENUM 0x00080000 +#define NDIS_MINIPORT_SURPRISE_REMOVE_OK 0x00100000 +#define NDIS_MINIPORT_NO_HALT_ON_SUSPEND 0x00200000 +#define NDIS_MINIPORT_HARDWARE_DEVICE 0x00400000 +#define NDIS_MINIPORT_SUPPORTS_CANCEL_SEND_PACKETS 0x00800000 +#define NDIS_MINIPORT_64BITS_DMA 0x01000000 + +#define NDIS_MEDIUM_802_3 0x00000000 +#define NDIS_MEDIUM_802_5 0x00000001 +#define NDIS_MEDIUM_FDDI 0x00000002 +#define NDIS_MEDIUM_WAN 0x00000003 +#define NDIS_MEDIUM_LOCAL_TALK 0x00000004 +#define NDIS_MEDIUM_DIX 0x00000005 +#define NDIS_MEDIUM_ARCENT_RAW 0x00000006 +#define NDIS_MEDIUM_ARCENT_878_2 0x00000007 +#define NDIS_MEDIUM_ATM 0x00000008 +#define NDIS_MEDIUM_WIRELESS_LAN 0x00000009 +#define NDIS_MEDIUM_IRDA 0x0000000A +#define NDIS_MEDIUM_BPC 0x0000000B +#define NDIS_MEDIUM_CO_WAN 0x0000000C +#define NDIS_MEDIUM_1394 0x0000000D + +#define NDIS_PACKET_TYPE_DIRECTED 0x00000001 +#define NDIS_PACKET_TYPE_MULTICAST 0x00000002 +#define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004 +#define NDIS_PACKET_TYPE_BROADCAST 0x00000008 +#define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010 +#define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020 +#define NDIS_PACKET_TYPE_SMT 0x00000040 +#define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080 +#define NDIS_PACKET_TYPE_GROUP 0x00000100 +#define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200 +#define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400 +#define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800 + +#define NDIS_MEDIA_STATE_CONNECTED 0x00000000 +#define NDIS_MEDIA_STATE_DISCONNECTED 0x00000001 + +#define NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA 0x00000001 +#define NDIS_MAC_OPTION_RECEIVE_SERIALIZED 0x00000002 +#define NDIS_MAC_OPTION_TRANSFERS_NOT_PEND 0x00000004 +#define NDIS_MAC_OPTION_NO_LOOPBACK 0x00000008 +#define NDIS_MAC_OPTION_FULL_DUPLEX 0x00000010 +#define NDIS_MAC_OPTION_EOTX_INDICATION 0x00000020 +#define NDIS_MAC_OPTION_8021P_PRIORITY 0x00000040 +#define NDIS_MAC_OPTION_RESERVED 0x80000000 + +/* From drivers/usb/gadget/rndis.h */ + +/* Remote NDIS Versions */ +#define RNDIS_MAJOR_VERSION 0x00000001 +#define RNDIS_MINOR_VERSION 0x00000000 + +/* For all not specified status messages: + * RNDIS_STATUS_Xxx -> NDIS_STATUS_Xxx + */ + +/* Message Set for Connectionless (802.3) Devices */ +#define REMOTE_NDIS_PACKET_MSG 0x00000001U +#define REMOTE_NDIS_INITIALIZE_MSG 0x00000002U /* Initialize device */ +#define REMOTE_NDIS_HALT_MSG 0x00000003U +#define REMOTE_NDIS_QUERY_MSG 0x00000004U +#define REMOTE_NDIS_SET_MSG 0x00000005U +#define REMOTE_NDIS_RESET_MSG 0x00000006U +#define REMOTE_NDIS_INDICATE_STATUS_MSG 0x00000007U +#define REMOTE_NDIS_KEEPALIVE_MSG 0x00000008U + +/* Message completion */ +#define REMOTE_NDIS_INITIALIZE_CMPLT 0x80000002U +#define REMOTE_NDIS_QUERY_CMPLT 0x80000004U +#define REMOTE_NDIS_SET_CMPLT 0x80000005U +#define REMOTE_NDIS_RESET_CMPLT 0x80000006U +#define REMOTE_NDIS_KEEPALIVE_CMPLT 0x80000008U + +/* Device Flags */ +#define RNDIS_DF_CONNECTIONLESS 0x00000001U +#define RNDIS_DF_CONNECTION_ORIENTED 0x00000002U +#define RNDIS_DF_RAW_DATA 0x00000004U + +/* from drivers/net/sk98lin/h/skgepnmi.h */ +#define OID_PNP_CAPABILITIES 0xFD010100 +#define OID_PNP_SET_POWER 0xFD010101 +#define OID_PNP_QUERY_POWER 0xFD010102 +#define OID_PNP_ADD_WAKE_UP_PATTERN 0xFD010103 +#define OID_PNP_REMOVE_WAKE_UP_PATTERN 0xFD010104 +#define OID_PNP_ENABLE_WAKE_UP 0xFD010106 + +/* From drivers/net/hyperv/hyperv_net.h */ + +/* Status codes */ + +#ifndef STATUS_SUCCESS +#define STATUS_SUCCESS (0x00000000L) +#endif + +#ifndef STATUS_UNSUCCESSFUL +#define STATUS_UNSUCCESSFUL (0xC0000001L) +#endif + +#ifndef STATUS_PENDING +#define STATUS_PENDING (0x00000103L) +#endif + +#ifndef STATUS_INSUFFICIENT_RESOURCES +#define STATUS_INSUFFICIENT_RESOURCES (0xC000009AL) +#endif + +#ifndef STATUS_BUFFER_OVERFLOW +#define STATUS_BUFFER_OVERFLOW (0x80000005L) +#endif + +#ifndef STATUS_NOT_SUPPORTED +#define STATUS_NOT_SUPPORTED (0xC00000BBL) +#endif + +#define RNDIS_STATUS_PENDING (STATUS_PENDING) +#define RNDIS_STATUS_NOT_RECOGNIZED (0x00010001L) +#define RNDIS_STATUS_NOT_COPIED (0x00010002L) +#define RNDIS_STATUS_NOT_ACCEPTED (0x00010003L) +#define RNDIS_STATUS_CALL_ACTIVE (0x00010007L) + +#define RNDIS_STATUS_ONLINE (0x40010003L) +#define RNDIS_STATUS_RESET_START (0x40010004L) +#define RNDIS_STATUS_RESET_END (0x40010005L) +#define RNDIS_STATUS_RING_STATUS (0x40010006L) +#define RNDIS_STATUS_CLOSED (0x40010007L) +#define RNDIS_STATUS_WAN_LINE_UP (0x40010008L) +#define RNDIS_STATUS_WAN_LINE_DOWN (0x40010009L) +#define RNDIS_STATUS_WAN_FRAGMENT (0x4001000AL) +#define RNDIS_STATUS_HARDWARE_LINE_UP (0x4001000DL) +#define RNDIS_STATUS_HARDWARE_LINE_DOWN (0x4001000EL) +#define RNDIS_STATUS_INTERFACE_UP (0x4001000FL) +#define RNDIS_STATUS_INTERFACE_DOWN (0x40010010L) +#define RNDIS_STATUS_MEDIA_BUSY (0x40010011L) +#define RNDIS_STATUS_WW_INDICATION RDIA_SPECIFIC_INDICATION +#define RNDIS_STATUS_LINK_SPEED_CHANGE (0x40010013L) + +#define RNDIS_STATUS_NOT_RESETTABLE (0x80010001L) +#define RNDIS_STATUS_SOFT_ERRORS (0x80010003L) +#define RNDIS_STATUS_HARD_ERRORS (0x80010004L) +#define RNDIS_STATUS_BUFFER_OVERFLOW (STATUS_BUFFER_OVERFLOW) + +#define RNDIS_STATUS_RESOURCES (STATUS_INSUFFICIENT_RESOURCES) +#define RNDIS_STATUS_CLOSING (0xC0010002L) +#define RNDIS_STATUS_BAD_VERSION (0xC0010004L) +#define RNDIS_STATUS_BAD_CHARACTERISTICS (0xC0010005L) +#define RNDIS_STATUS_ADAPTER_NOT_FOUND (0xC0010006L) +#define RNDIS_STATUS_OPEN_FAILED (0xC0010007L) +#define RNDIS_STATUS_DEVICE_FAILED (0xC0010008L) +#define RNDIS_STATUS_MULTICAST_FULL (0xC0010009L) +#define RNDIS_STATUS_MULTICAST_EXISTS (0xC001000AL) +#define RNDIS_STATUS_MULTICAST_NOT_FOUND (0xC001000BL) +#define RNDIS_STATUS_REQUEST_ABORTED (0xC001000CL) +#define RNDIS_STATUS_RESET_IN_PROGRESS (0xC001000DL) +#define RNDIS_STATUS_CLOSING_INDICATING (0xC001000EL) +#define RNDIS_STATUS_INVALID_PACKET (0xC001000FL) +#define RNDIS_STATUS_OPEN_LIST_FULL (0xC0010010L) +#define RNDIS_STATUS_ADAPTER_NOT_READY (0xC0010011L) +#define RNDIS_STATUS_ADAPTER_NOT_OPEN (0xC0010012L) +#define RNDIS_STATUS_NOT_INDICATING (0xC0010013L) +#define RNDIS_STATUS_INVALID_LENGTH (0xC0010014L) +#define RNDIS_STATUS_BUFFER_TOO_SHORT (0xC0010016L) +#define RNDIS_STATUS_INVALID_OID (0xC0010017L) +#define RNDIS_STATUS_ADAPTER_REMOVED (0xC0010018L) +#define RNDIS_STATUS_UNSUPPORTED_MEDIA (0xC0010019L) +#define RNDIS_STATUS_GROUP_ADDRESS_IN_USE (0xC001001AL) +#define RNDIS_STATUS_FILE_NOT_FOUND (0xC001001BL) +#define RNDIS_STATUS_ERROR_READING_FILE (0xC001001CL) +#define RNDIS_STATUS_ALREADY_MAPPED (0xC001001DL) +#define RNDIS_STATUS_RESOURCE_CONFLICT (0xC001001EL) +#define RNDIS_STATUS_NO_CABLE (0xC001001FL) + +#define RNDIS_STATUS_INVALID_SAP (0xC0010020L) +#define RNDIS_STATUS_SAP_IN_USE (0xC0010021L) +#define RNDIS_STATUS_INVALID_ADDRESS (0xC0010022L) +#define RNDIS_STATUS_VC_NOT_ACTIVATED (0xC0010023L) +#define RNDIS_STATUS_DEST_OUT_OF_ORDER (0xC0010024L) +#define RNDIS_STATUS_VC_NOT_AVAILABLE (0xC0010025L) +#define RNDIS_STATUS_CELLRATE_NOT_AVAILABLE (0xC0010026L) +#define RNDIS_STATUS_INCOMPATABLE_QOS (0xC0010027L) +#define RNDIS_STATUS_AAL_PARAMS_UNSUPPORTED (0xC0010028L) +#define RNDIS_STATUS_NO_ROUTE_TO_DESTINATION (0xC0010029L) + +#define RNDIS_STATUS_TOKEN_RING_OPEN_ERROR (0xC0011000L) + +/* Object Identifiers used by NdisRequest Query/Set Information */ +/* General Objects */ +#define RNDIS_OID_GEN_SUPPORTED_LIST 0x00010101 +#define RNDIS_OID_GEN_HARDWARE_STATUS 0x00010102 +#define RNDIS_OID_GEN_MEDIA_SUPPORTED 0x00010103 +#define RNDIS_OID_GEN_MEDIA_IN_USE 0x00010104 +#define RNDIS_OID_GEN_MAXIMUM_LOOKAHEAD 0x00010105 +#define RNDIS_OID_GEN_LINK_SPEED 0x00010107 +#define RNDIS_OID_GEN_TRANSMIT_BUFFER_SPACE 0x00010108 +#define RNDIS_OID_GEN_RECEIVE_BUFFER_SPACE 0x00010109 +#define RNDIS_OID_GEN_TRANSMIT_BLOCK_SIZE 0x0001010A +#define RNDIS_OID_GEN_RECEIVE_BLOCK_SIZE 0x0001010B +#define RNDIS_OID_GEN_VENDOR_ID 0x0001010C +#define RNDIS_OID_GEN_VENDOR_DESCRIPTION 0x0001010D +#define RNDIS_OID_GEN_CURRENT_PACKET_FILTER 0x0001010E +#define RNDIS_OID_GEN_CURRENT_LOOKAHEAD 0x0001010F +#define RNDIS_OID_GEN_DRIVER_VERSION 0x00010110 +#define RNDIS_OID_GEN_MAXIMUM_TOTAL_SIZE 0x00010111 +#define RNDIS_OID_GEN_PROTOCOL_OPTIONS 0x00010112 +#define RNDIS_OID_GEN_MAC_OPTIONS 0x00010113 +#define RNDIS_OID_GEN_MEDIA_CONNECT_STATUS 0x00010114 +#define RNDIS_OID_GEN_MAXIMUM_SEND_PACKETS 0x00010115 +#define RNDIS_OID_GEN_VENDOR_DRIVER_VERSION 0x00010116 +#define RNDIS_OID_GEN_NETWORK_LAYER_ADDRESSES 0x00010118 +#define RNDIS_OID_GEN_TRANSPORT_HEADER_OFFSET 0x00010119 +#define RNDIS_OID_GEN_MACHINE_NAME 0x0001021A + +#define RNDIS_OID_GEN_XMIT_OK 0x00020101 +#define RNDIS_OID_GEN_RCV_OK 0x00020102 +#define RNDIS_OID_GEN_XMIT_ERROR 0x00020103 +#define RNDIS_OID_GEN_RCV_ERROR 0x00020104 +#define RNDIS_OID_GEN_RCV_NO_BUFFER 0x00020105 + +#define RNDIS_OID_GEN_DIRECTED_BYTES_XMIT 0x00020201 +#define RNDIS_OID_GEN_DIRECTED_FRAMES_XMIT 0x00020202 +#define RNDIS_OID_GEN_MULTICAST_BYTES_XMIT 0x00020203 +#define RNDIS_OID_GEN_MULTICAST_FRAMES_XMIT 0x00020204 +#define RNDIS_OID_GEN_BROADCAST_BYTES_XMIT 0x00020205 +#define RNDIS_OID_GEN_BROADCAST_FRAMES_XMIT 0x00020206 +#define RNDIS_OID_GEN_DIRECTED_BYTES_RCV 0x00020207 +#define RNDIS_OID_GEN_DIRECTED_FRAMES_RCV 0x00020208 +#define RNDIS_OID_GEN_MULTICAST_BYTES_RCV 0x00020209 +#define RNDIS_OID_GEN_MULTICAST_FRAMES_RCV 0x0002020A +#define RNDIS_OID_GEN_BROADCAST_BYTES_RCV 0x0002020B +#define RNDIS_OID_GEN_BROADCAST_FRAMES_RCV 0x0002020C + +#define RNDIS_OID_GEN_RCV_CRC_ERROR 0x0002020D +#define RNDIS_OID_GEN_TRANSMIT_QUEUE_LENGTH 0x0002020E + +#define RNDIS_OID_GEN_GET_TIME_CAPS 0x0002020F +#define RNDIS_OID_GEN_GET_NETCARD_TIME 0x00020210 + +/* These are connection-oriented general OIDs. */ +/* These replace the above OIDs for connection-oriented media. */ +#define RNDIS_OID_GEN_CO_SUPPORTED_LIST 0x00010101 +#define RNDIS_OID_GEN_CO_HARDWARE_STATUS 0x00010102 +#define RNDIS_OID_GEN_CO_MEDIA_SUPPORTED 0x00010103 +#define RNDIS_OID_GEN_CO_MEDIA_IN_USE 0x00010104 +#define RNDIS_OID_GEN_CO_LINK_SPEED 0x00010105 +#define RNDIS_OID_GEN_CO_VENDOR_ID 0x00010106 +#define RNDIS_OID_GEN_CO_VENDOR_DESCRIPTION 0x00010107 +#define RNDIS_OID_GEN_CO_DRIVER_VERSION 0x00010108 +#define RNDIS_OID_GEN_CO_PROTOCOL_OPTIONS 0x00010109 +#define RNDIS_OID_GEN_CO_MAC_OPTIONS 0x0001010A +#define RNDIS_OID_GEN_CO_MEDIA_CONNECT_STATUS 0x0001010B +#define RNDIS_OID_GEN_CO_VENDOR_DRIVER_VERSION 0x0001010C +#define RNDIS_OID_GEN_CO_MINIMUM_LINK_SPEED 0x0001010D + +#define RNDIS_OID_GEN_CO_GET_TIME_CAPS 0x00010201 +#define RNDIS_OID_GEN_CO_GET_NETCARD_TIME 0x00010202 + +/* These are connection-oriented statistics OIDs. */ +#define RNDIS_OID_GEN_CO_XMIT_PDUS_OK 0x00020101 +#define RNDIS_OID_GEN_CO_RCV_PDUS_OK 0x00020102 +#define RNDIS_OID_GEN_CO_XMIT_PDUS_ERROR 0x00020103 +#define RNDIS_OID_GEN_CO_RCV_PDUS_ERROR 0x00020104 +#define RNDIS_OID_GEN_CO_RCV_PDUS_NO_BUFFER 0x00020105 + + +#define RNDIS_OID_GEN_CO_RCV_CRC_ERROR 0x00020201 +#define RNDIS_OID_GEN_CO_TRANSMIT_QUEUE_LENGTH 0x00020202 +#define RNDIS_OID_GEN_CO_BYTES_XMIT 0x00020203 +#define RNDIS_OID_GEN_CO_BYTES_RCV 0x00020204 +#define RNDIS_OID_GEN_CO_BYTES_XMIT_OUTSTANDING 0x00020205 +#define RNDIS_OID_GEN_CO_NETCARD_LOAD 0x00020206 + +/* These are objects for Connection-oriented media call-managers. */ +#define RNDIS_OID_CO_ADD_PVC 0xFF000001 +#define RNDIS_OID_CO_DELETE_PVC 0xFF000002 +#define RNDIS_OID_CO_GET_CALL_INFORMATION 0xFF000003 +#define RNDIS_OID_CO_ADD_ADDRESS 0xFF000004 +#define RNDIS_OID_CO_DELETE_ADDRESS 0xFF000005 +#define RNDIS_OID_CO_GET_ADDRESSES 0xFF000006 +#define RNDIS_OID_CO_ADDRESS_CHANGE 0xFF000007 +#define RNDIS_OID_CO_SIGNALING_ENABLED 0xFF000008 +#define RNDIS_OID_CO_SIGNALING_DISABLED 0xFF000009 + +/* 802.3 Objects (Ethernet) */ +#define RNDIS_OID_802_3_PERMANENT_ADDRESS 0x01010101 +#define RNDIS_OID_802_3_CURRENT_ADDRESS 0x01010102 +#define RNDIS_OID_802_3_MULTICAST_LIST 0x01010103 +#define RNDIS_OID_802_3_MAXIMUM_LIST_SIZE 0x01010104 +#define RNDIS_OID_802_3_MAC_OPTIONS 0x01010105 + +#define NDIS_802_3_MAC_OPTION_PRIORITY 0x00000001 + +#define RNDIS_OID_802_3_RCV_ERROR_ALIGNMENT 0x01020101 +#define RNDIS_OID_802_3_XMIT_ONE_COLLISION 0x01020102 +#define RNDIS_OID_802_3_XMIT_MORE_COLLISIONS 0x01020103 + +#define RNDIS_OID_802_3_XMIT_DEFERRED 0x01020201 +#define RNDIS_OID_802_3_XMIT_MAX_COLLISIONS 0x01020202 +#define RNDIS_OID_802_3_RCV_OVERRUN 0x01020203 +#define RNDIS_OID_802_3_XMIT_UNDERRUN 0x01020204 +#define RNDIS_OID_802_3_XMIT_HEARTBEAT_FAILURE 0x01020205 +#define RNDIS_OID_802_3_XMIT_TIMES_CRS_LOST 0x01020206 +#define RNDIS_OID_802_3_XMIT_LATE_COLLISIONS 0x01020207 + +#define REMOTE_CONDIS_MP_CREATE_VC_MSG 0x00008001 +#define REMOTE_CONDIS_MP_DELETE_VC_MSG 0x00008002 +#define REMOTE_CONDIS_MP_ACTIVATE_VC_MSG 0x00008005 +#define REMOTE_CONDIS_MP_DEACTIVATE_VC_MSG 0x00008006 +#define REMOTE_CONDIS_INDICATE_STATUS_MSG 0x00008007 + +#define REMOTE_CONDIS_MP_CREATE_VC_CMPLT 0x80008001 +#define REMOTE_CONDIS_MP_DELETE_VC_CMPLT 0x80008002 +#define REMOTE_CONDIS_MP_ACTIVATE_VC_CMPLT 0x80008005 +#define REMOTE_CONDIS_MP_DEACTIVATE_VC_CMPLT 0x80008006 + +/* + * Reserved message type for private communication between lower-layer host + * driver and remote device, if necessary. + */ +#define REMOTE_NDIS_BUS_MSG 0xff000001 + +/* Remote NDIS medium types. */ +#define RNDIS_MEDIUM_802_3 0x00000000 +#define RNDIS_MEDIUM_802_5 0x00000001 +#define RNDIS_MEDIUM_FDDI 0x00000002 +#define RNDIS_MEDIUM_WAN 0x00000003 +#define RNDIS_MEDIUM_LOCAL_TALK 0x00000004 +#define RNDIS_MEDIUM_ARCNET_RAW 0x00000006 +#define RNDIS_MEDIUM_ARCNET_878_2 0x00000007 +#define RNDIS_MEDIUM_ATM 0x00000008 +#define RNDIS_MEDIUM_WIRELESS_WAN 0x00000009 +#define RNDIS_MEDIUM_IRDA 0x0000000a +#define RNDIS_MEDIUM_CO_WAN 0x0000000b +/* Not a real medium, defined as an upper-bound */ +#define RNDIS_MEDIUM_MAX 0x0000000d + + +/* Remote NDIS medium connection states. */ +#define RNDIS_MEDIA_STATE_CONNECTED 0x00000000 +#define RNDIS_MEDIA_STATE_DISCONNECTED 0x00000001 + +/* From drivers/net/wireless/rndis_wlan.c */ + +/* various RNDIS OID defs */ +#define OID_GEN_LINK_SPEED 0x00010107 + +#define OID_GEN_XMIT_OK 0x00020101 +#define OID_GEN_RCV_OK 0x00020102 +#define OID_GEN_XMIT_ERROR 0x00020103 +#define OID_GEN_RCV_ERROR 0x00020104 +#define OID_GEN_RCV_NO_BUFFER 0x00020105 + +#define OID_802_3_CURRENT_ADDRESS 0x01010102 +#define OID_802_3_MULTICAST_LIST 0x01010103 +#define OID_802_3_MAXIMUM_LIST_SIZE 0x01010104 + +#define OID_802_11_BSSID 0x0d010101 +#define OID_802_11_SSID 0x0d010102 +#define OID_802_11_INFRASTRUCTURE_MODE 0x0d010108 +#define OID_802_11_ADD_WEP 0x0d010113 +#define OID_802_11_REMOVE_WEP 0x0d010114 +#define OID_802_11_DISASSOCIATE 0x0d010115 +#define OID_802_11_AUTHENTICATION_MODE 0x0d010118 +#define OID_802_11_PRIVACY_FILTER 0x0d010119 +#define OID_802_11_BSSID_LIST_SCAN 0x0d01011a +#define OID_802_11_ENCRYPTION_STATUS 0x0d01011b +#define OID_802_11_ADD_KEY 0x0d01011d +#define OID_802_11_REMOVE_KEY 0x0d01011e +#define OID_802_11_ASSOCIATION_INFORMATION 0x0d01011f +#define OID_802_11_CAPABILITY 0x0d010122 +#define OID_802_11_PMKID 0x0d010123 +#define OID_802_11_NETWORK_TYPES_SUPPORTED 0x0d010203 +#define OID_802_11_NETWORK_TYPE_IN_USE 0x0d010204 +#define OID_802_11_TX_POWER_LEVEL 0x0d010205 +#define OID_802_11_RSSI 0x0d010206 +#define OID_802_11_RSSI_TRIGGER 0x0d010207 +#define OID_802_11_FRAGMENTATION_THRESHOLD 0x0d010209 +#define OID_802_11_RTS_THRESHOLD 0x0d01020a +#define OID_802_11_SUPPORTED_RATES 0x0d01020e +#define OID_802_11_CONFIGURATION 0x0d010211 +#define OID_802_11_POWER_MODE 0x0d010216 +#define OID_802_11_BSSID_LIST 0x0d010217 diff --git a/include/linux/usb/rndis_host.h b/include/linux/usb/rndis_host.h index 9a005b627eb2..d44ef85db177 100644 --- a/include/linux/usb/rndis_host.h +++ b/include/linux/usb/rndis_host.h @@ -20,6 +20,8 @@ #ifndef __LINUX_USB_RNDIS_HOST_H #define __LINUX_USB_RNDIS_HOST_H +#include + /* * CONTROL uses CDC "encapsulated commands" with funky notifications. * - control-out: SEND_ENCAPSULATED @@ -49,47 +51,6 @@ struct rndis_msg_hdr { */ #define RNDIS_CONTROL_TIMEOUT_MS (5 * 1000) -#define RNDIS_MSG_COMPLETION 0x80000000 - -/* codes for "msg_type" field of rndis messages; - * only the data channel uses packet messages (maybe batched); - * everything else goes on the control channel. - */ -#define RNDIS_MSG_PACKET 0x00000001 /* 1-N packets */ -#define RNDIS_MSG_INIT 0x00000002 -#define RNDIS_MSG_INIT_C (RNDIS_MSG_INIT|RNDIS_MSG_COMPLETION) -#define RNDIS_MSG_HALT 0x00000003 -#define RNDIS_MSG_QUERY 0x00000004 -#define RNDIS_MSG_QUERY_C (RNDIS_MSG_QUERY|RNDIS_MSG_COMPLETION) -#define RNDIS_MSG_SET 0x00000005 -#define RNDIS_MSG_SET_C (RNDIS_MSG_SET|RNDIS_MSG_COMPLETION) -#define RNDIS_MSG_RESET 0x00000006 -#define RNDIS_MSG_RESET_C (RNDIS_MSG_RESET|RNDIS_MSG_COMPLETION) -#define RNDIS_MSG_INDICATE 0x00000007 -#define RNDIS_MSG_KEEPALIVE 0x00000008 -#define RNDIS_MSG_KEEPALIVE_C (RNDIS_MSG_KEEPALIVE|RNDIS_MSG_COMPLETION) - -/* codes for "status" field of completion messages */ -#define RNDIS_STATUS_SUCCESS 0x00000000 -#define RNDIS_STATUS_FAILURE 0xc0000001 -#define RNDIS_STATUS_INVALID_DATA 0xc0010015 -#define RNDIS_STATUS_NOT_SUPPORTED 0xc00000bb -#define RNDIS_STATUS_MEDIA_CONNECT 0x4001000b -#define RNDIS_STATUS_MEDIA_DISCONNECT 0x4001000c -#define RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION 0x40010012 - -/* codes for OID_GEN_PHYSICAL_MEDIUM */ -#define RNDIS_PHYSICAL_MEDIUM_UNSPECIFIED 0x00000000 -#define RNDIS_PHYSICAL_MEDIUM_WIRELESS_LAN 0x00000001 -#define RNDIS_PHYSICAL_MEDIUM_CABLE_MODEM 0x00000002 -#define RNDIS_PHYSICAL_MEDIUM_PHONE_LINE 0x00000003 -#define RNDIS_PHYSICAL_MEDIUM_POWER_LINE 0x00000004 -#define RNDIS_PHYSICAL_MEDIUM_DSL 0x00000005 -#define RNDIS_PHYSICAL_MEDIUM_FIBRE_CHANNEL 0x00000006 -#define RNDIS_PHYSICAL_MEDIUM_1394 0x00000007 -#define RNDIS_PHYSICAL_MEDIUM_WIRELESS_WAN 0x00000008 -#define RNDIS_PHYSICAL_MEDIUM_MAX 0x00000009 - struct rndis_data_hdr { __le32 msg_type; /* RNDIS_MSG_PACKET */ __le32 msg_len; /* rndis_data_hdr + data_len + pad */ @@ -222,29 +183,6 @@ struct rndis_keepalive_c { /* IN (optionally OUT) */ __le32 status; } __attribute__ ((packed)); -/* NOTE: about 30 OIDs are "mandatory" for peripherals to support ... and - * there are gobs more that may optionally be supported. We'll avoid as much - * of that mess as possible. - */ -#define OID_802_3_PERMANENT_ADDRESS 0x01010101 -#define OID_GEN_MAXIMUM_FRAME_SIZE 0x00010106 -#define OID_GEN_CURRENT_PACKET_FILTER 0x0001010e -#define OID_GEN_PHYSICAL_MEDIUM 0x00010202 - -/* packet filter bits used by OID_GEN_CURRENT_PACKET_FILTER */ -#define RNDIS_PACKET_TYPE_DIRECTED 0x00000001 -#define RNDIS_PACKET_TYPE_MULTICAST 0x00000002 -#define RNDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004 -#define RNDIS_PACKET_TYPE_BROADCAST 0x00000008 -#define RNDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010 -#define RNDIS_PACKET_TYPE_PROMISCUOUS 0x00000020 -#define RNDIS_PACKET_TYPE_SMT 0x00000040 -#define RNDIS_PACKET_TYPE_ALL_LOCAL 0x00000080 -#define RNDIS_PACKET_TYPE_GROUP 0x00001000 -#define RNDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00002000 -#define RNDIS_PACKET_TYPE_FUNCTIONAL 0x00004000 -#define RNDIS_PACKET_TYPE_MAC_FRAME 0x00008000 - /* default filter used with RNDIS devices */ #define RNDIS_DEFAULT_FILTER ( \ RNDIS_PACKET_TYPE_DIRECTED | \ -- cgit v1.3-8-gc7d7 From 581791f5c7a480b2cc3431af9a6e799ffd51eb5e Mon Sep 17 00:00:00 2001 From: Andrzej Pietrasiewicz Date: Mon, 14 May 2012 15:51:52 +0200 Subject: FunctionFS: enable multiple functions Signed-off-by: Andrzej Pietrasiewicz Signed-off-by: Kyungmin Park Acked-by: Michal Nazarewicz Cc: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- Documentation/usb/functionfs.txt | 67 +++++++++++++ drivers/usb/gadget/f_fs.c | 38 ++++++-- drivers/usb/gadget/g_ffs.c | 200 ++++++++++++++++++++++++++++++++++----- include/linux/usb/functionfs.h | 4 +- 4 files changed, 277 insertions(+), 32 deletions(-) create mode 100644 Documentation/usb/functionfs.txt (limited to 'include/linux/usb') diff --git a/Documentation/usb/functionfs.txt b/Documentation/usb/functionfs.txt new file mode 100644 index 000000000000..eaaaea019fc7 --- /dev/null +++ b/Documentation/usb/functionfs.txt @@ -0,0 +1,67 @@ +*How FunctionFS works* + +From kernel point of view it is just a composite function with some +unique behaviour. It may be added to an USB configuration only after +the user space driver has registered by writing descriptors and +strings (the user space program has to provide the same information +that kernel level composite functions provide when they are added to +the configuration). + +This in particular means that the composite initialisation functions +may not be in init section (ie. may not use the __init tag). + +From user space point of view it is a file system which when +mounted provides an "ep0" file. User space driver need to +write descriptors and strings to that file. It does not need +to worry about endpoints, interfaces or strings numbers but +simply provide descriptors such as if the function was the +only one (endpoints and strings numbers starting from one and +interface numbers starting from zero). The FunctionFS changes +them as needed also handling situation when numbers differ in +different configurations. + +When descriptors and strings are written "ep#" files appear +(one for each declared endpoint) which handle communication on +a single endpoint. Again, FunctionFS takes care of the real +numbers and changing of the configuration (which means that +"ep1" file may be really mapped to (say) endpoint 3 (and when +configuration changes to (say) endpoint 2)). "ep0" is used +for receiving events and handling setup requests. + +When all files are closed the function disables itself. + +What I also want to mention is that the FunctionFS is designed in such +a way that it is possible to mount it several times so in the end +a gadget could use several FunctionFS functions. The idea is that +each FunctionFS instance is identified by the device name used +when mounting. + +One can imagine a gadget that has an Ethernet, MTP and HID interfaces +where the last two are implemented via FunctionFS. On user space +level it would look like this: + +$ insmod g_ffs.ko idVendor= iSerialNumber= functions=mtp,hid +$ mkdir /dev/ffs-mtp && mount -t functionfs mtp /dev/ffs-mtp +$ ( cd /dev/ffs-mtp && mtp-daemon ) & +$ mkdir /dev/ffs-hid && mount -t functionfs hid /dev/ffs-hid +$ ( cd /dev/ffs-hid && hid-daemon ) & + +On kernel level the gadget checks ffs_data->dev_name to identify +whether it's FunctionFS designed for MTP ("mtp") or HID ("hid"). + +If no "functions" module parameters is supplied, the driver accepts +just one function with any name. + +When "functions" module parameter is supplied, only functions +with listed names are accepted. In particular, if the "functions" +parameter's value is just a one-element list, then the behaviour +is similar to when there is no "functions" at all; however, +only a function with the specified name is accepted. + +The gadget is registered only after all the declared function +filesystems have been mounted and USB descriptors of all functions +have been written to their ep0's. + +Conversely, the gadget is unregistered after the first USB function +closes its endpoints. + diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index 1d4c535671a7..dcd1c7fbb016 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_fs.c @@ -1031,6 +1031,12 @@ struct ffs_sb_fill_data { struct ffs_file_perms perms; umode_t root_mode; const char *dev_name; + union { + /* set by ffs_fs_mount(), read by ffs_sb_fill() */ + void *private_data; + /* set by ffs_sb_fill(), read by ffs_fs_mount */ + struct ffs_data *ffs_data; + }; }; static int ffs_sb_fill(struct super_block *sb, void *_data, int silent) @@ -1047,8 +1053,14 @@ static int ffs_sb_fill(struct super_block *sb, void *_data, int silent) goto Enomem; ffs->sb = sb; - ffs->dev_name = data->dev_name; + ffs->dev_name = kstrdup(data->dev_name, GFP_KERNEL); + if (unlikely(!ffs->dev_name)) + goto Enomem; ffs->file_perms = data->perms; + ffs->private_data = data->private_data; + + /* used by the caller of this function */ + data->ffs_data = ffs; sb->s_fs_info = ffs; sb->s_blocksize = PAGE_CACHE_SIZE; @@ -1167,20 +1179,29 @@ ffs_fs_mount(struct file_system_type *t, int flags, }, .root_mode = S_IFDIR | 0500, }; + struct dentry *rv; int ret; + void *ffs_dev; ENTER(); - ret = functionfs_check_dev_callback(dev_name); - if (unlikely(ret < 0)) - return ERR_PTR(ret); - ret = ffs_fs_parse_opts(&data, opts); if (unlikely(ret < 0)) return ERR_PTR(ret); + ffs_dev = functionfs_acquire_dev_callback(dev_name); + if (IS_ERR(ffs_dev)) + return ffs_dev; + data.dev_name = dev_name; - return mount_single(t, flags, &data, ffs_sb_fill); + data.private_data = ffs_dev; + rv = mount_nodev(t, flags, &data, ffs_sb_fill); + + /* data.ffs_data is set by ffs_sb_fill */ + if (IS_ERR(rv)) + functionfs_release_dev_callback(data.ffs_data); + + return rv; } static void @@ -1189,8 +1210,10 @@ ffs_fs_kill_sb(struct super_block *sb) ENTER(); kill_litter_super(sb); - if (sb->s_fs_info) + if (sb->s_fs_info) { + functionfs_release_dev_callback(sb->s_fs_info); ffs_data_put(sb->s_fs_info); + } } static struct file_system_type ffs_fs_type = { @@ -1256,6 +1279,7 @@ static void ffs_data_put(struct ffs_data *ffs) ffs_data_clear(ffs); BUG_ON(waitqueue_active(&ffs->ev.waitq) || waitqueue_active(&ffs->ep0req_completion.wait)); + kfree(ffs->dev_name); kfree(ffs); } } diff --git a/drivers/usb/gadget/g_ffs.c b/drivers/usb/gadget/g_ffs.c index a85eaf40b948..d3ace9002a6a 100644 --- a/drivers/usb/gadget/g_ffs.c +++ b/drivers/usb/gadget/g_ffs.c @@ -67,6 +67,15 @@ MODULE_LICENSE("GPL"); #define GFS_VENDOR_ID 0x1d6b /* Linux Foundation */ #define GFS_PRODUCT_ID 0x0105 /* FunctionFS Gadget */ +#define GFS_MAX_DEVS 10 + +struct gfs_ffs_obj { + const char *name; + bool mounted; + bool desc_ready; + struct ffs_data *ffs_data; +}; + static struct usb_device_descriptor gfs_dev_desc = { .bLength = sizeof gfs_dev_desc, .bDescriptorType = USB_DT_DEVICE, @@ -78,12 +87,17 @@ static struct usb_device_descriptor gfs_dev_desc = { .idProduct = cpu_to_le16(GFS_PRODUCT_ID), }; +static char *func_names[GFS_MAX_DEVS]; +static unsigned int func_num; + module_param_named(bDeviceClass, gfs_dev_desc.bDeviceClass, byte, 0644); MODULE_PARM_DESC(bDeviceClass, "USB Device class"); module_param_named(bDeviceSubClass, gfs_dev_desc.bDeviceSubClass, byte, 0644); MODULE_PARM_DESC(bDeviceSubClass, "USB Device subclass"); module_param_named(bDeviceProtocol, gfs_dev_desc.bDeviceProtocol, byte, 0644); MODULE_PARM_DESC(bDeviceProtocol, "USB Device protocol"); +module_param_array_named(functions, func_names, charp, &func_num, 0); +MODULE_PARM_DESC(functions, "USB Functions list"); static const struct usb_descriptor_header *gfs_otg_desc[] = { (const struct usb_descriptor_header *) @@ -158,13 +172,34 @@ static struct usb_composite_driver gfs_driver = { .iProduct = DRIVER_DESC, }; -static struct ffs_data *gfs_ffs_data; -static unsigned long gfs_registered; +static DEFINE_MUTEX(gfs_lock); +static unsigned int missing_funcs; +static bool gfs_ether_setup; +static bool gfs_registered; +static bool gfs_single_func; +static struct gfs_ffs_obj *ffs_tab; static int __init gfs_init(void) { + int i; + ENTER(); + if (!func_num) { + gfs_single_func = true; + func_num = 1; + } + + ffs_tab = kcalloc(func_num, sizeof *ffs_tab, GFP_KERNEL); + if (!ffs_tab) + return -ENOMEM; + + if (!gfs_single_func) + for (i = 0; i < func_num; i++) + ffs_tab[i].name = func_names[i]; + + missing_funcs = func_num; + return functionfs_init(); } module_init(gfs_init); @@ -172,63 +207,165 @@ module_init(gfs_init); static void __exit gfs_exit(void) { ENTER(); + mutex_lock(&gfs_lock); - if (test_and_clear_bit(0, &gfs_registered)) + if (gfs_registered) usb_composite_unregister(&gfs_driver); + gfs_registered = false; functionfs_cleanup(); + + mutex_unlock(&gfs_lock); + kfree(ffs_tab); } module_exit(gfs_exit); +static struct gfs_ffs_obj *gfs_find_dev(const char *dev_name) +{ + int i; + + ENTER(); + + if (gfs_single_func) + return &ffs_tab[0]; + + for (i = 0; i < func_num; i++) + if (strcmp(ffs_tab[i].name, dev_name) == 0) + return &ffs_tab[i]; + + return NULL; +} + static int functionfs_ready_callback(struct ffs_data *ffs) { + struct gfs_ffs_obj *ffs_obj; int ret; ENTER(); + mutex_lock(&gfs_lock); + + ffs_obj = ffs->private_data; + if (!ffs_obj) { + ret = -EINVAL; + goto done; + } + + if (WARN_ON(ffs_obj->desc_ready)) { + ret = -EBUSY; + goto done; + } + ffs_obj->desc_ready = true; + ffs_obj->ffs_data = ffs; - if (WARN_ON(test_and_set_bit(0, &gfs_registered))) - return -EBUSY; + if (--missing_funcs) { + ret = 0; + goto done; + } + + if (gfs_registered) { + ret = -EBUSY; + goto done; + } + gfs_registered = true; - gfs_ffs_data = ffs; ret = usb_composite_probe(&gfs_driver, gfs_bind); if (unlikely(ret < 0)) - clear_bit(0, &gfs_registered); + gfs_registered = false; + +done: + mutex_unlock(&gfs_lock); return ret; } static void functionfs_closed_callback(struct ffs_data *ffs) { + struct gfs_ffs_obj *ffs_obj; + ENTER(); + mutex_lock(&gfs_lock); - if (test_and_clear_bit(0, &gfs_registered)) + ffs_obj = ffs->private_data; + if (!ffs_obj) + goto done; + + ffs_obj->desc_ready = false; + missing_funcs++; + + if (gfs_registered) usb_composite_unregister(&gfs_driver); + gfs_registered = false; + +done: + mutex_unlock(&gfs_lock); } -static int functionfs_check_dev_callback(const char *dev_name) +static void *functionfs_acquire_dev_callback(const char *dev_name) { - return 0; + struct gfs_ffs_obj *ffs_dev; + + ENTER(); + mutex_lock(&gfs_lock); + + ffs_dev = gfs_find_dev(dev_name); + if (!ffs_dev) { + ffs_dev = ERR_PTR(-ENODEV); + goto done; + } + + if (ffs_dev->mounted) { + ffs_dev = ERR_PTR(-EBUSY); + goto done; + } + ffs_dev->mounted = true; + +done: + mutex_unlock(&gfs_lock); + return ffs_dev; } +static void functionfs_release_dev_callback(struct ffs_data *ffs_data) +{ + struct gfs_ffs_obj *ffs_dev; + + ENTER(); + mutex_lock(&gfs_lock); + + ffs_dev = ffs_data->private_data; + if (ffs_dev) + ffs_dev->mounted = false; + + mutex_unlock(&gfs_lock); +} + +/* + * It is assumed that gfs_bind is called from a context where gfs_lock is held + */ static int gfs_bind(struct usb_composite_dev *cdev) { int ret, i; ENTER(); - if (WARN_ON(!gfs_ffs_data)) + if (missing_funcs) return -ENODEV; ret = gether_setup(cdev->gadget, gfs_hostaddr); if (unlikely(ret < 0)) goto error_quick; + gfs_ether_setup = true; ret = usb_string_ids_tab(cdev, gfs_strings); if (unlikely(ret < 0)) goto error; - ret = functionfs_bind(gfs_ffs_data, cdev); - if (unlikely(ret < 0)) - goto error; + for (i = func_num; --i; ) { + ret = functionfs_bind(ffs_tab[i].ffs_data, cdev); + if (unlikely(ret < 0)) { + while (++i < func_num) + functionfs_unbind(ffs_tab[i].ffs_data); + goto error; + } + } for (i = 0; i < ARRAY_SIZE(gfs_configurations); ++i) { struct gfs_configuration *c = gfs_configurations + i; @@ -246,16 +383,22 @@ static int gfs_bind(struct usb_composite_dev *cdev) return 0; error_unbind: - functionfs_unbind(gfs_ffs_data); + for (i = 0; i < func_num; i++) + functionfs_unbind(ffs_tab[i].ffs_data); error: gether_cleanup(); error_quick: - gfs_ffs_data = NULL; + gfs_ether_setup = false; return ret; } +/* + * It is assumed that gfs_unbind is called from a context where gfs_lock is held + */ static int gfs_unbind(struct usb_composite_dev *cdev) { + int i; + ENTER(); /* @@ -266,22 +409,29 @@ static int gfs_unbind(struct usb_composite_dev *cdev) * from composite on orror recovery, but what you're gonna * do...? */ - if (gfs_ffs_data) { + if (gfs_ether_setup) gether_cleanup(); - functionfs_unbind(gfs_ffs_data); - gfs_ffs_data = NULL; - } + gfs_ether_setup = false; + + for (i = func_num; --i; ) + if (ffs_tab[i].ffs_data) + functionfs_unbind(ffs_tab[i].ffs_data); return 0; } +/* + * It is assumed that gfs_do_config is called from a context where + * gfs_lock is held + */ static int gfs_do_config(struct usb_configuration *c) { struct gfs_configuration *gc = container_of(c, struct gfs_configuration, c); + int i; int ret; - if (WARN_ON(!gfs_ffs_data)) + if (missing_funcs) return -ENODEV; if (gadget_is_otg(c->cdev->gadget)) { @@ -295,9 +445,11 @@ static int gfs_do_config(struct usb_configuration *c) return ret; } - ret = functionfs_bind_config(c->cdev, c, gfs_ffs_data); - if (unlikely(ret < 0)) - return ret; + for (i = 0; i < func_num; i++) { + ret = functionfs_bind_config(c->cdev, c, ffs_tab[i].ffs_data); + if (unlikely(ret < 0)) + return ret; + } /* * After previous do_configs there may be some invalid diff --git a/include/linux/usb/functionfs.h b/include/linux/usb/functionfs.h index 7587ef934ba8..a843d0851364 100644 --- a/include/linux/usb/functionfs.h +++ b/include/linux/usb/functionfs.h @@ -190,8 +190,10 @@ static int functionfs_ready_callback(struct ffs_data *ffs) __attribute__((warn_unused_result, nonnull)); static void functionfs_closed_callback(struct ffs_data *ffs) __attribute__((nonnull)); -static int functionfs_check_dev_callback(const char *dev_name) +static void *functionfs_acquire_dev_callback(const char *dev_name) __attribute__((warn_unused_result, nonnull)); +static void functionfs_release_dev_callback(struct ffs_data *ffs_data) + __attribute__((nonnull)); #endif -- cgit v1.3-8-gc7d7 From 5b6e9bcdeb65634b4ad604eb4536404bbfc62cfa Mon Sep 17 00:00:00 2001 From: Ming Lei Date: Thu, 26 Apr 2012 11:33:46 +0800 Subject: usbnet: fix skb traversing races during unlink(v2) Commit 4231d47e6fe69f061f96c98c30eaf9fb4c14b96d(net/usbnet: avoid recursive locking in usbnet_stop()) fixes the recursive locking problem by releasing the skb queue lock before unlink, but may cause skb traversing races: - after URB is unlinked and the queue lock is released, the refered skb and skb->next may be moved to done queue, even be released - in skb_queue_walk_safe, the next skb is still obtained by next pointer of the last skb - so maybe trigger oops or other problems This patch extends the usage of entry->state to describe 'start_unlink' state, so always holding the queue(rx/tx) lock to change the state if the referd skb is in rx or tx queue because we need to know if the refered urb has been started unlinking in unlink_urbs. The other part of this patch is based on Huajun's patch: always traverse from head of the tx/rx queue to get skb which is to be unlinked but not been started unlinking. Signed-off-by: Huajun Li Signed-off-by: Ming Lei Cc: Oliver Neukum Cc: stable@kernel.org Signed-off-by: David S. Miller --- drivers/net/usb/usbnet.c | 54 ++++++++++++++++++++++++++++++++-------------- include/linux/usb/usbnet.h | 3 ++- 2 files changed, 40 insertions(+), 17 deletions(-) (limited to 'include/linux/usb') diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 2d927fb4adf4..b38db48b1ce0 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -282,17 +282,32 @@ int usbnet_change_mtu (struct net_device *net, int new_mtu) } EXPORT_SYMBOL_GPL(usbnet_change_mtu); +/* The caller must hold list->lock */ +static void __usbnet_queue_skb(struct sk_buff_head *list, + struct sk_buff *newsk, enum skb_state state) +{ + struct skb_data *entry = (struct skb_data *) newsk->cb; + + __skb_queue_tail(list, newsk); + entry->state = state; +} + /*-------------------------------------------------------------------------*/ /* some LK 2.4 HCDs oopsed if we freed or resubmitted urbs from * completion callbacks. 2.5 should have fixed those bugs... */ -static void defer_bh(struct usbnet *dev, struct sk_buff *skb, struct sk_buff_head *list) +static enum skb_state defer_bh(struct usbnet *dev, struct sk_buff *skb, + struct sk_buff_head *list, enum skb_state state) { unsigned long flags; + enum skb_state old_state; + struct skb_data *entry = (struct skb_data *) skb->cb; spin_lock_irqsave(&list->lock, flags); + old_state = entry->state; + entry->state = state; __skb_unlink(skb, list); spin_unlock(&list->lock); spin_lock(&dev->done.lock); @@ -300,6 +315,7 @@ static void defer_bh(struct usbnet *dev, struct sk_buff *skb, struct sk_buff_hea if (dev->done.qlen == 1) tasklet_schedule(&dev->bh); spin_unlock_irqrestore(&dev->done.lock, flags); + return old_state; } /* some work can't be done in tasklets, so we use keventd @@ -340,7 +356,6 @@ static int rx_submit (struct usbnet *dev, struct urb *urb, gfp_t flags) entry = (struct skb_data *) skb->cb; entry->urb = urb; entry->dev = dev; - entry->state = rx_start; entry->length = 0; usb_fill_bulk_urb (urb, dev->udev, dev->in, @@ -372,7 +387,7 @@ static int rx_submit (struct usbnet *dev, struct urb *urb, gfp_t flags) tasklet_schedule (&dev->bh); break; case 0: - __skb_queue_tail (&dev->rxq, skb); + __usbnet_queue_skb(&dev->rxq, skb, rx_start); } } else { netif_dbg(dev, ifdown, dev->net, "rx: stopped\n"); @@ -423,16 +438,17 @@ static void rx_complete (struct urb *urb) struct skb_data *entry = (struct skb_data *) skb->cb; struct usbnet *dev = entry->dev; int urb_status = urb->status; + enum skb_state state; skb_put (skb, urb->actual_length); - entry->state = rx_done; + state = rx_done; entry->urb = NULL; switch (urb_status) { /* success */ case 0: if (skb->len < dev->net->hard_header_len) { - entry->state = rx_cleanup; + state = rx_cleanup; dev->net->stats.rx_errors++; dev->net->stats.rx_length_errors++; netif_dbg(dev, rx_err, dev->net, @@ -471,7 +487,7 @@ static void rx_complete (struct urb *urb) "rx throttle %d\n", urb_status); } block: - entry->state = rx_cleanup; + state = rx_cleanup; entry->urb = urb; urb = NULL; break; @@ -482,17 +498,18 @@ block: // FALLTHROUGH default: - entry->state = rx_cleanup; + state = rx_cleanup; dev->net->stats.rx_errors++; netif_dbg(dev, rx_err, dev->net, "rx status %d\n", urb_status); break; } - defer_bh(dev, skb, &dev->rxq); + state = defer_bh(dev, skb, &dev->rxq, state); if (urb) { if (netif_running (dev->net) && - !test_bit (EVENT_RX_HALT, &dev->flags)) { + !test_bit (EVENT_RX_HALT, &dev->flags) && + state != unlink_start) { rx_submit (dev, urb, GFP_ATOMIC); usb_mark_last_busy(dev->udev); return; @@ -579,16 +596,23 @@ EXPORT_SYMBOL_GPL(usbnet_purge_paused_rxq); static int unlink_urbs (struct usbnet *dev, struct sk_buff_head *q) { unsigned long flags; - struct sk_buff *skb, *skbnext; + struct sk_buff *skb; int count = 0; spin_lock_irqsave (&q->lock, flags); - skb_queue_walk_safe(q, skb, skbnext) { + while (!skb_queue_empty(q)) { struct skb_data *entry; struct urb *urb; int retval; - entry = (struct skb_data *) skb->cb; + skb_queue_walk(q, skb) { + entry = (struct skb_data *) skb->cb; + if (entry->state != unlink_start) + goto found; + } + break; +found: + entry->state = unlink_start; urb = entry->urb; /* @@ -1039,8 +1063,7 @@ static void tx_complete (struct urb *urb) } usb_autopm_put_interface_async(dev->intf); - entry->state = tx_done; - defer_bh(dev, skb, &dev->txq); + (void) defer_bh(dev, skb, &dev->txq, tx_done); } /*-------------------------------------------------------------------------*/ @@ -1096,7 +1119,6 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb, entry = (struct skb_data *) skb->cb; entry->urb = urb; entry->dev = dev; - entry->state = tx_start; entry->length = length; usb_fill_bulk_urb (urb, dev->udev, dev->out, @@ -1155,7 +1177,7 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb, break; case 0: net->trans_start = jiffies; - __skb_queue_tail (&dev->txq, skb); + __usbnet_queue_skb(&dev->txq, skb, tx_start); if (dev->txq.qlen >= TX_QLEN (dev)) netif_stop_queue (net); } diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h index 605b0aa8d852..76f439647c4b 100644 --- a/include/linux/usb/usbnet.h +++ b/include/linux/usb/usbnet.h @@ -191,7 +191,8 @@ extern void usbnet_cdc_status(struct usbnet *, struct urb *); enum skb_state { illegal = 0, tx_start, tx_done, - rx_start, rx_done, rx_cleanup + rx_start, rx_done, rx_cleanup, + unlink_start }; struct skb_data { /* skb->cb is one of these */ -- cgit v1.3-8-gc7d7 From 7186364e46c3800635c283924bf25433d0a556a2 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Tue, 15 May 2012 15:40:00 -0700 Subject: USB: serial: hook up reset_resume callback The callback is now hooked up for any USB to serial driver that wants it. We only register the callback if any of the usb-serial structures want it, this keeps the USB core happy. Thanks to Alan Stern for the ideas on how to do this. Cc: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/usb-serial.c | 24 +++++++++++++++++++++++- include/linux/usb/serial.h | 3 ++- 2 files changed, 25 insertions(+), 2 deletions(-) (limited to 'include/linux/usb') diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 62dd92270525..130a57351c69 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -1,7 +1,7 @@ /* * USB Serial Converter driver * - * Copyright (C) 1999 - 2005 Greg Kroah-Hartman (greg@kroah.com) + * Copyright (C) 1999 - 2012 Greg Kroah-Hartman (greg@kroah.com) * Copyright (C) 2000 Peter Berger (pberger@brimson.com) * Copyright (C) 2000 Al Borchers (borchers@steinerpoint.com) * @@ -1166,6 +1166,20 @@ int usb_serial_resume(struct usb_interface *intf) } EXPORT_SYMBOL(usb_serial_resume); +static int usb_serial_reset_resume(struct usb_interface *intf) +{ + struct usb_serial *serial = usb_get_intfdata(intf); + int rv; + + serial->suspending = 0; + if (serial->type->reset_resume) + rv = serial->type->reset_resume(serial); + else + rv = usb_serial_generic_resume(serial); + + return rv; +} + static const struct tty_operations serial_ops = { .open = serial_open, .close = serial_close, @@ -1403,6 +1417,14 @@ int usb_serial_register_drivers(struct usb_serial_driver *const serial_drivers[] udriver->resume = usb_serial_resume; udriver->probe = usb_serial_probe; udriver->disconnect = usb_serial_disconnect; + + /* we only set the reset_resume field if the serial_driver has one */ + for (sd = serial_drivers; *sd; ++sd) { + if ((*sd)->reset_resume) + udriver->reset_resume = usb_serial_reset_resume; + break; + } + rc = usb_register(udriver); if (rc) return rc; diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index c9f65146a039..86c0b451745d 100644 --- a/include/linux/usb/serial.h +++ b/include/linux/usb/serial.h @@ -1,7 +1,7 @@ /* * USB Serial Converter stuff * - * Copyright (C) 1999 - 2005 + * Copyright (C) 1999 - 2012 * Greg Kroah-Hartman (greg@kroah.com) * * This program is free software; you can redistribute it and/or modify @@ -249,6 +249,7 @@ struct usb_serial_driver { int (*suspend)(struct usb_serial *serial, pm_message_t message); int (*resume)(struct usb_serial *serial); + int (*reset_resume)(struct usb_serial *serial); /* serial function calls */ /* Called by console and by the tty layer */ -- cgit v1.3-8-gc7d7 From 7cbb062ade87b987a24aa834bbde32ad8374a4cf Mon Sep 17 00:00:00 2001 From: Shinya Kuribayashi Date: Thu, 17 May 2012 20:11:06 +0900 Subject: USB: gpio_vbus: wakeup support on GPIO VBUS interrupts We'd like to see the system waking up from the system-wide suspend when it gets plugged-in, or the USB cable is pulled out. Also makes it configurable via platform data 'wakeup'. Signed-off-by: Shinya Kuribayashi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/otg/gpio_vbus.c | 33 +++++++++++++++++++++++++++++++++ include/linux/usb/gpio_vbus.h | 2 ++ 2 files changed, 35 insertions(+) (limited to 'include/linux/usb') diff --git a/drivers/usb/otg/gpio_vbus.c b/drivers/usb/otg/gpio_vbus.c index 1e6bd0347aff..bde6298a9693 100644 --- a/drivers/usb/otg/gpio_vbus.c +++ b/drivers/usb/otg/gpio_vbus.c @@ -327,6 +327,8 @@ static int __init gpio_vbus_probe(struct platform_device *pdev) goto err_otg; } + device_init_wakeup(&pdev->dev, pdata->wakeup); + return 0; err_otg: regulator_put(gpio_vbus->vbus_draw); @@ -348,6 +350,7 @@ static int __exit gpio_vbus_remove(struct platform_device *pdev) struct gpio_vbus_mach_info *pdata = pdev->dev.platform_data; int gpio = pdata->gpio_vbus; + device_init_wakeup(&pdev->dev, 0); cancel_delayed_work_sync(&gpio_vbus->work); regulator_put(gpio_vbus->vbus_draw); @@ -364,6 +367,33 @@ static int __exit gpio_vbus_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM +static int gpio_vbus_pm_suspend(struct device *dev) +{ + struct gpio_vbus_data *gpio_vbus = dev_get_drvdata(dev); + + if (device_may_wakeup(dev)) + enable_irq_wake(gpio_vbus->irq); + + return 0; +} + +static int gpio_vbus_pm_resume(struct device *dev) +{ + struct gpio_vbus_data *gpio_vbus = dev_get_drvdata(dev); + + if (device_may_wakeup(dev)) + disable_irq_wake(gpio_vbus->irq); + + return 0; +} + +static const struct dev_pm_ops gpio_vbus_dev_pm_ops = { + .suspend = gpio_vbus_pm_suspend, + .resume = gpio_vbus_pm_resume, +}; +#endif + /* NOTE: the gpio-vbus device may *NOT* be hotplugged */ MODULE_ALIAS("platform:gpio-vbus"); @@ -372,6 +402,9 @@ static struct platform_driver gpio_vbus_driver = { .driver = { .name = "gpio-vbus", .owner = THIS_MODULE, +#ifdef CONFIG_PM + .pm = &gpio_vbus_dev_pm_ops, +#endif }, .remove = __exit_p(gpio_vbus_remove), }; diff --git a/include/linux/usb/gpio_vbus.h b/include/linux/usb/gpio_vbus.h index d9f03ccc2d60..837bba604a0b 100644 --- a/include/linux/usb/gpio_vbus.h +++ b/include/linux/usb/gpio_vbus.h @@ -17,6 +17,7 @@ * @gpio_pullup: optional D+ or D- pullup GPIO (else negative/invalid) * @gpio_vbus_inverted: true if gpio_vbus is active low * @gpio_pullup_inverted: true if gpio_pullup is active low + * @wakeup: configure gpio_vbus as a wake-up source * * The VBUS sensing GPIO should have a pulldown, which will normally be * part of a resistor ladder turning a 4.0V-5.25V level on VBUS into a @@ -27,4 +28,5 @@ struct gpio_vbus_mach_info { int gpio_pullup; bool gpio_vbus_inverted; bool gpio_pullup_inverted; + bool wakeup; }; -- cgit v1.3-8-gc7d7 From 1ea7e0e8e3d0f50901d335ea4178ab2aa8c88201 Mon Sep 17 00:00:00 2001 From: Sarah Sharp Date: Tue, 24 Apr 2012 17:21:50 -0700 Subject: USB: Add support to enable/disable USB3 link states. There are various functions within the USB core that will need to disable USB 3.0 link power states. For example, when a USB device driver is being bound to an interface, we need to disable USB 3.0 LPM until we know if the driver will allow hub-initiated LPM transitions. Another example is when the USB core is switching alternate interface settings. The USB 3.0 timeout values are dependent on what endpoints are enabled, so we want to ensure that LPM is disabled until the new alt setting is fully installed. Multiple functions need to disable LPM, and those functions can even be nested. For example, usb_bind_interface() could disable LPM, and then call into the driver probe function, which may attempt to switch to a different alt setting. Therefore, we need to keep a count of the number of functions that require LPM to be disabled at any point in time. Introduce two new USB core API calls, usb_disable_lpm() and usb_enable_lpm(). These functions increment and decrement a new variable in the usb_device, lpm_disable_count. If usb_disable_lpm() fails, it will call usb_enable_lpm() in order to balance the lpm_disable_count. These two new functions must be called with the bandwidth_mutex locked. If the bandwidth_mutex is not already held by the caller, it should instead call usb_unlocked_disable_lpm() and usb_enable_lpm(), which take the bandwidth_mutex before calling usb_disable_lpm() and usb_enable_lpm(), respectively. Introduce a new variable (timeout) in the usb3_lpm_params structure to keep track of the currently enabled U1/U2 timeout values. When usb_disable_lpm() is called, and the USB device has the U1 or U2 timeouts set to a non-zero value (meaning either device-initiated or hub-initiated LPM is enabled), attempt to disable LPM, regardless of the state of the lpm_disable_count. We want to ensure that all callers can be guaranteed that LPM is disabled if usb_disable_lpm() returns zero. Otherwise the following scenario could occur: 1. Driver A is being bound to interface 1. usb_probe_interface() disables LPM. Driver A doesn't care if hub-initiated LPM is enabled, so even though usb_disable_lpm() fails, the probe of the driver continues, and the bandwidth mutex is dropped. 2. Meanwhile, Driver B is being bound to interface 2. usb_probe_interface() grabs the bandwidth mutex and calls usb_disable_lpm(). That call should attempt to disable LPM, even though the lpm_disable_count is set to 1 by Driver A. For usb_enable_lpm(), we attempt to enable LPM only when the lpm_disable_count is zero. If some step in enabling LPM fails, it will only have a minimal impact on power consumption, and all USB device drivers should still work properly. Therefore don't bother to return any error codes. Don't enable device-initiated LPM if the device is unconfigured. The USB device will only accept the U1/U2_ENABLE control transfers in the configured state. Do enable hub-initiated LPM in that case, since devices are allowed to accept the LGO_Ux link commands in any state. Don't enable or disable LPM if the device is marked as not being LPM capable. This can happen if: - the USB device doesn't have a SS BOS descriptor, - the device's parent hub has a zeroed bHeaderDecodeLatency value, or - the xHCI host doesn't support LPM. Signed-off-by: Sarah Sharp Cc: Andiry Xu Cc: Alan Stern Signed-off-by: Sarah Sharp --- drivers/usb/core/hub.c | 414 +++++++++++++++++++++++++++++++++++++++++++++++ include/linux/usb.h | 21 ++- include/linux/usb/ch11.h | 2 + include/linux/usb/ch9.h | 45 ++++++ include/linux/usb/hcd.h | 9 ++ 5 files changed, 489 insertions(+), 2 deletions(-) (limited to 'include/linux/usb') diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 5219507bf227..fd1ec481aec1 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -3050,11 +3050,425 @@ void usb_root_hub_lost_power(struct usb_device *rhdev) } EXPORT_SYMBOL_GPL(usb_root_hub_lost_power); +static const char * const usb3_lpm_names[] = { + "U0", + "U1", + "U2", + "U3", +}; + +/* + * Send a Set SEL control transfer to the device, prior to enabling + * device-initiated U1 or U2. This lets the device know the exit latencies from + * the time the device initiates a U1 or U2 exit, to the time it will receive a + * packet from the host. + * + * This function will fail if the SEL or PEL values for udev are greater than + * the maximum allowed values for the link state to be enabled. + */ +static int usb_req_set_sel(struct usb_device *udev, enum usb3_link_state state) +{ + struct usb_set_sel_req *sel_values; + unsigned long long u1_sel; + unsigned long long u1_pel; + unsigned long long u2_sel; + unsigned long long u2_pel; + int ret; + + /* Convert SEL and PEL stored in ns to us */ + u1_sel = DIV_ROUND_UP(udev->u1_params.sel, 1000); + u1_pel = DIV_ROUND_UP(udev->u1_params.pel, 1000); + u2_sel = DIV_ROUND_UP(udev->u2_params.sel, 1000); + u2_pel = DIV_ROUND_UP(udev->u2_params.pel, 1000); + + /* + * Make sure that the calculated SEL and PEL values for the link + * state we're enabling aren't bigger than the max SEL/PEL + * value that will fit in the SET SEL control transfer. + * Otherwise the device would get an incorrect idea of the exit + * latency for the link state, and could start a device-initiated + * U1/U2 when the exit latencies are too high. + */ + if ((state == USB3_LPM_U1 && + (u1_sel > USB3_LPM_MAX_U1_SEL_PEL || + u1_pel > USB3_LPM_MAX_U1_SEL_PEL)) || + (state == USB3_LPM_U2 && + (u2_sel > USB3_LPM_MAX_U2_SEL_PEL || + u2_pel > USB3_LPM_MAX_U2_SEL_PEL))) { + dev_dbg(&udev->dev, "Device-initiated %s disabled due " + "to long SEL %llu ms or PEL %llu ms\n", + usb3_lpm_names[state], u1_sel, u1_pel); + return -EINVAL; + } + + /* + * If we're enabling device-initiated LPM for one link state, + * but the other link state has a too high SEL or PEL value, + * just set those values to the max in the Set SEL request. + */ + if (u1_sel > USB3_LPM_MAX_U1_SEL_PEL) + u1_sel = USB3_LPM_MAX_U1_SEL_PEL; + + if (u1_pel > USB3_LPM_MAX_U1_SEL_PEL) + u1_pel = USB3_LPM_MAX_U1_SEL_PEL; + + if (u2_sel > USB3_LPM_MAX_U2_SEL_PEL) + u2_sel = USB3_LPM_MAX_U2_SEL_PEL; + + if (u2_pel > USB3_LPM_MAX_U2_SEL_PEL) + u2_pel = USB3_LPM_MAX_U2_SEL_PEL; + + /* + * usb_enable_lpm() can be called as part of a failed device reset, + * which may be initiated by an error path of a mass storage driver. + * Therefore, use GFP_NOIO. + */ + sel_values = kmalloc(sizeof *(sel_values), GFP_NOIO); + if (!sel_values) + return -ENOMEM; + + sel_values->u1_sel = u1_sel; + sel_values->u1_pel = u1_pel; + sel_values->u2_sel = cpu_to_le16(u2_sel); + sel_values->u2_pel = cpu_to_le16(u2_pel); + + ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + USB_REQ_SET_SEL, + USB_RECIP_DEVICE, + 0, 0, + sel_values, sizeof *(sel_values), + USB_CTRL_SET_TIMEOUT); + kfree(sel_values); + return ret; +} + +/* + * Enable or disable device-initiated U1 or U2 transitions. + */ +static int usb_set_device_initiated_lpm(struct usb_device *udev, + enum usb3_link_state state, bool enable) +{ + int ret; + int feature; + + switch (state) { + case USB3_LPM_U1: + feature = USB_DEVICE_U1_ENABLE; + break; + case USB3_LPM_U2: + feature = USB_DEVICE_U2_ENABLE; + break; + default: + dev_warn(&udev->dev, "%s: Can't %s non-U1 or U2 state.\n", + __func__, enable ? "enable" : "disable"); + return -EINVAL; + } + + if (udev->state != USB_STATE_CONFIGURED) { + dev_dbg(&udev->dev, "%s: Can't %s %s state " + "for unconfigured device.\n", + __func__, enable ? "enable" : "disable", + usb3_lpm_names[state]); + return 0; + } + + if (enable) { + /* + * First, let the device know about the exit latencies + * associated with the link state we're about to enable. + */ + ret = usb_req_set_sel(udev, state); + if (ret < 0) { + dev_warn(&udev->dev, "Set SEL for device-initiated " + "%s failed.\n", usb3_lpm_names[state]); + return -EBUSY; + } + /* + * Now send the control transfer to enable device-initiated LPM + * for either U1 or U2. + */ + ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + USB_REQ_SET_FEATURE, + USB_RECIP_DEVICE, + feature, + 0, NULL, 0, + USB_CTRL_SET_TIMEOUT); + } else { + ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + USB_REQ_CLEAR_FEATURE, + USB_RECIP_DEVICE, + feature, + 0, NULL, 0, + USB_CTRL_SET_TIMEOUT); + } + if (ret < 0) { + dev_warn(&udev->dev, "%s of device-initiated %s failed.\n", + enable ? "Enable" : "Disable", + usb3_lpm_names[state]); + return -EBUSY; + } + return 0; +} + +static int usb_set_lpm_timeout(struct usb_device *udev, + enum usb3_link_state state, int timeout) +{ + int ret; + int feature; + + switch (state) { + case USB3_LPM_U1: + feature = USB_PORT_FEAT_U1_TIMEOUT; + break; + case USB3_LPM_U2: + feature = USB_PORT_FEAT_U2_TIMEOUT; + break; + default: + dev_warn(&udev->dev, "%s: Can't set timeout for non-U1 or U2 state.\n", + __func__); + return -EINVAL; + } + + if (state == USB3_LPM_U1 && timeout > USB3_LPM_U1_MAX_TIMEOUT && + timeout != USB3_LPM_DEVICE_INITIATED) { + dev_warn(&udev->dev, "Failed to set %s timeout to 0x%x, " + "which is a reserved value.\n", + usb3_lpm_names[state], timeout); + return -EINVAL; + } + + ret = set_port_feature(udev->parent, + USB_PORT_LPM_TIMEOUT(timeout) | udev->portnum, + feature); + if (ret < 0) { + dev_warn(&udev->dev, "Failed to set %s timeout to 0x%x," + "error code %i\n", usb3_lpm_names[state], + timeout, ret); + return -EBUSY; + } + if (state == USB3_LPM_U1) + udev->u1_params.timeout = timeout; + else + udev->u2_params.timeout = timeout; + return 0; +} + +/* + * Enable the hub-initiated U1/U2 idle timeouts, and enable device-initiated + * U1/U2 entry. + * + * We will attempt to enable U1 or U2, but there are no guarantees that the + * control transfers to set the hub timeout or enable device-initiated U1/U2 + * will be successful. + * + * If we cannot set the parent hub U1/U2 timeout, we attempt to let the xHCI + * driver know about it. If that call fails, it should be harmless, and just + * take up more slightly more bus bandwidth for unnecessary U1/U2 exit latency. + */ +static void usb_enable_link_state(struct usb_hcd *hcd, struct usb_device *udev, + enum usb3_link_state state) +{ + int timeout; + + /* We allow the host controller to set the U1/U2 timeout internally + * first, so that it can change its schedule to account for the + * additional latency to send data to a device in a lower power + * link state. + */ + timeout = hcd->driver->enable_usb3_lpm_timeout(hcd, udev, state); + + /* xHCI host controller doesn't want to enable this LPM state. */ + if (timeout == 0) + return; + + if (timeout < 0) { + dev_warn(&udev->dev, "Could not enable %s link state, " + "xHCI error %i.\n", usb3_lpm_names[state], + timeout); + return; + } + + if (usb_set_lpm_timeout(udev, state, timeout)) + /* If we can't set the parent hub U1/U2 timeout, + * device-initiated LPM won't be allowed either, so let the xHCI + * host know that this link state won't be enabled. + */ + hcd->driver->disable_usb3_lpm_timeout(hcd, udev, state); + + /* Only a configured device will accept the Set Feature U1/U2_ENABLE */ + else if (udev->actconfig) + usb_set_device_initiated_lpm(udev, state, true); + +} + +/* + * Disable the hub-initiated U1/U2 idle timeouts, and disable device-initiated + * U1/U2 entry. + * + * If this function returns -EBUSY, the parent hub will still allow U1/U2 entry. + * If zero is returned, the parent will not allow the link to go into U1/U2. + * + * If zero is returned, device-initiated U1/U2 entry may still be enabled, but + * it won't have an effect on the bus link state because the parent hub will + * still disallow device-initiated U1/U2 entry. + * + * If zero is returned, the xHCI host controller may still think U1/U2 entry is + * possible. The result will be slightly more bus bandwidth will be taken up + * (to account for U1/U2 exit latency), but it should be harmless. + */ +static int usb_disable_link_state(struct usb_hcd *hcd, struct usb_device *udev, + enum usb3_link_state state) +{ + int feature; + + switch (state) { + case USB3_LPM_U1: + feature = USB_PORT_FEAT_U1_TIMEOUT; + break; + case USB3_LPM_U2: + feature = USB_PORT_FEAT_U2_TIMEOUT; + break; + default: + dev_warn(&udev->dev, "%s: Can't disable non-U1 or U2 state.\n", + __func__); + return -EINVAL; + } + + if (usb_set_lpm_timeout(udev, state, 0)) + return -EBUSY; + + usb_set_device_initiated_lpm(udev, state, false); + + if (hcd->driver->disable_usb3_lpm_timeout(hcd, udev, state)) + dev_warn(&udev->dev, "Could not disable xHCI %s timeout, " + "bus schedule bandwidth may be impacted.\n", + usb3_lpm_names[state]); + return 0; +} + +/* + * Disable hub-initiated and device-initiated U1 and U2 entry. + * Caller must own the bandwidth_mutex. + * + * This will call usb_enable_lpm() on failure, which will decrement + * lpm_disable_count, and will re-enable LPM if lpm_disable_count reaches zero. + */ +int usb_disable_lpm(struct usb_device *udev) +{ + struct usb_hcd *hcd; + + if (!udev || !udev->parent || + udev->speed != USB_SPEED_SUPER || + !udev->lpm_capable) + return 0; + + hcd = bus_to_hcd(udev->bus); + if (!hcd || !hcd->driver->disable_usb3_lpm_timeout) + return 0; + + udev->lpm_disable_count++; + if ((udev->u1_params.timeout == 0 && udev->u1_params.timeout == 0)) + return 0; + + /* If LPM is enabled, attempt to disable it. */ + if (usb_disable_link_state(hcd, udev, USB3_LPM_U1)) + goto enable_lpm; + if (usb_disable_link_state(hcd, udev, USB3_LPM_U2)) + goto enable_lpm; + + return 0; + +enable_lpm: + usb_enable_lpm(udev); + return -EBUSY; +} +EXPORT_SYMBOL_GPL(usb_disable_lpm); + +/* Grab the bandwidth_mutex before calling usb_disable_lpm() */ +int usb_unlocked_disable_lpm(struct usb_device *udev) +{ + struct usb_hcd *hcd = bus_to_hcd(udev->bus); + int ret; + + if (!hcd) + return -EINVAL; + + mutex_lock(hcd->bandwidth_mutex); + ret = usb_disable_lpm(udev); + mutex_unlock(hcd->bandwidth_mutex); + + return ret; +} +EXPORT_SYMBOL_GPL(usb_unlocked_disable_lpm); + +/* + * Attempt to enable device-initiated and hub-initiated U1 and U2 entry. The + * xHCI host policy may prevent U1 or U2 from being enabled. + * + * Other callers may have disabled link PM, so U1 and U2 entry will be disabled + * until the lpm_disable_count drops to zero. Caller must own the + * bandwidth_mutex. + */ +void usb_enable_lpm(struct usb_device *udev) +{ + struct usb_hcd *hcd; + + if (!udev || !udev->parent || + udev->speed != USB_SPEED_SUPER || + !udev->lpm_capable) + return; + + udev->lpm_disable_count--; + hcd = bus_to_hcd(udev->bus); + /* Double check that we can both enable and disable LPM. + * Device must be configured to accept set feature U1/U2 timeout. + */ + if (!hcd || !hcd->driver->enable_usb3_lpm_timeout || + !hcd->driver->disable_usb3_lpm_timeout) + return; + + if (udev->lpm_disable_count > 0) + return; + + usb_enable_link_state(hcd, udev, USB3_LPM_U1); + usb_enable_link_state(hcd, udev, USB3_LPM_U2); +} +EXPORT_SYMBOL_GPL(usb_enable_lpm); + +/* Grab the bandwidth_mutex before calling usb_enable_lpm() */ +void usb_unlocked_enable_lpm(struct usb_device *udev) +{ + struct usb_hcd *hcd = bus_to_hcd(udev->bus); + + if (!hcd) + return; + + mutex_lock(hcd->bandwidth_mutex); + usb_enable_lpm(udev); + mutex_unlock(hcd->bandwidth_mutex); +} +EXPORT_SYMBOL_GPL(usb_unlocked_enable_lpm); + + #else /* CONFIG_PM */ #define hub_suspend NULL #define hub_resume NULL #define hub_reset_resume NULL + +int usb_disable_lpm(struct usb_device *udev) +{ + return 0; +} + +void usb_enable_lpm(struct usb_device *udev) { } + +int usb_unlocked_disable_lpm(struct usb_device *udev) +{ + return 0; +} + +void usb_unlocked_enable_lpm(struct usb_device *udev) { } #endif diff --git a/include/linux/usb.h b/include/linux/usb.h index 22e7b53123ef..40439dfd81a7 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -409,6 +409,12 @@ struct usb3_lpm_parameters { * it will get data. */ unsigned int sel; + /* + * The idle timeout value that is currently programmed into the parent + * hub for this device. When the timer counts to zero, the parent hub + * will initiate an LPM transition to either U1 or U2. + */ + int timeout; }; /** @@ -468,8 +474,12 @@ struct usb3_lpm_parameters { * specific data for the device. * @slot_id: Slot ID assigned by xHCI * @removable: Device can be physically removed from this port - * @u1_params: exit latencies for U1 (USB 3.0 LPM). - * @u2_params: exit latencies for U2 (USB 3.0 LPM). + * @u1_params: exit latencies for USB3 U1 LPM state, and hub-initiated timeout. + * @u2_params: exit latencies for USB3 U2 LPM state, and hub-initiated timeout. + * @lpm_disable_count: Ref count used by usb_disable_lpm() and usb_enable_lpm() + * to keep track of the number of functions that require USB 3.0 Link Power + * Management to be disabled for this usb_device. This count should only + * be manipulated by those functions, with the bandwidth_mutex is held. * * Notes: * Usbcore drivers should not set usbdev->state directly. Instead use @@ -544,6 +554,7 @@ struct usb_device { enum usb_device_removable removable; struct usb3_lpm_parameters u1_params; struct usb3_lpm_parameters u2_params; + unsigned lpm_disable_count; }; #define to_usb_device(d) container_of(d, struct usb_device, dev) @@ -579,6 +590,12 @@ extern void usb_autopm_put_interface_async(struct usb_interface *intf); extern void usb_autopm_get_interface_no_resume(struct usb_interface *intf); extern void usb_autopm_put_interface_no_suspend(struct usb_interface *intf); +extern int usb_disable_lpm(struct usb_device *udev); +extern void usb_enable_lpm(struct usb_device *udev); +/* Same as above, but these functions lock/unlock the bandwidth_mutex. */ +extern int usb_unlocked_disable_lpm(struct usb_device *udev); +extern void usb_unlocked_enable_lpm(struct usb_device *udev); + static inline void usb_mark_last_busy(struct usb_device *udev) { pm_runtime_mark_last_busy(&udev->dev); diff --git a/include/linux/usb/ch11.h b/include/linux/usb/ch11.h index f1d26b6067f1..b6c2863b2c94 100644 --- a/include/linux/usb/ch11.h +++ b/include/linux/usb/ch11.h @@ -76,6 +76,8 @@ #define USB_PORT_FEAT_C_BH_PORT_RESET 29 #define USB_PORT_FEAT_FORCE_LINKPM_ACCEPT 30 +#define USB_PORT_LPM_TIMEOUT(p) (((p) & 0xff) << 8) + /* USB 3.0 hub remote wake mask bits, see table 10-14 */ #define USB_PORT_FEAT_REMOTE_WAKE_CONNECT (1 << 8) #define USB_PORT_FEAT_REMOTE_WAKE_DISCONNECT (1 << 9) diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h index e785d85b617f..43bce9da7a4d 100644 --- a/include/linux/usb/ch9.h +++ b/include/linux/usb/ch9.h @@ -935,6 +935,51 @@ enum usb_device_state { */ }; +enum usb3_link_state { + USB3_LPM_U0 = 0, + USB3_LPM_U1, + USB3_LPM_U2, + USB3_LPM_U3 +}; + +/* + * A U1 timeout of 0x0 means the parent hub will reject any transitions to U1. + * 0xff means the parent hub will accept transitions to U1, but will not + * initiate a transition. + * + * A U1 timeout of 0x1 to 0x7F also causes the hub to initiate a transition to + * U1 after that many microseconds. Timeouts of 0x80 to 0xFE are reserved + * values. + * + * A U2 timeout of 0x0 means the parent hub will reject any transitions to U2. + * 0xff means the parent hub will accept transitions to U2, but will not + * initiate a transition. + * + * A U2 timeout of 0x1 to 0xFE also causes the hub to initiate a transition to + * U2 after N*256 microseconds. Therefore a U2 timeout value of 0x1 means a U2 + * idle timer of 256 microseconds, 0x2 means 512 microseconds, 0xFE means + * 65.024ms. + */ +#define USB3_LPM_DISABLED 0x0 +#define USB3_LPM_U1_MAX_TIMEOUT 0x7F +#define USB3_LPM_U2_MAX_TIMEOUT 0xFE +#define USB3_LPM_DEVICE_INITIATED 0xFF + +struct usb_set_sel_req { + __u8 u1_sel; + __u8 u1_pel; + __le16 u2_sel; + __le16 u2_pel; +} __attribute__ ((packed)); + +/* + * The Set System Exit Latency control transfer provides one byte each for + * U1 SEL and U1 PEL, so the max exit latency is 0xFF. U2 SEL and U2 PEL each + * are two bytes long. + */ +#define USB3_LPM_MAX_U1_SEL_PEL 0xFF +#define USB3_LPM_MAX_U2_SEL_PEL 0xFFFF + /*-------------------------------------------------------------------------*/ /* diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index bbb946437070..7f855d50cdf5 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -344,6 +344,15 @@ struct hc_driver { */ int (*update_device)(struct usb_hcd *, struct usb_device *); int (*set_usb2_hw_lpm)(struct usb_hcd *, struct usb_device *, int); + /* USB 3.0 Link Power Management */ + /* Returns the USB3 hub-encoded value for the U1/U2 timeout. */ + int (*enable_usb3_lpm_timeout)(struct usb_hcd *, + struct usb_device *, enum usb3_link_state state); + /* The xHCI host controller can still fail the command to + * disable the LPM timeouts, so this can return an error code. + */ + int (*disable_usb3_lpm_timeout)(struct usb_hcd *, + struct usb_device *, enum usb3_link_state state); }; extern int usb_hcd_link_urb_to_ep(struct usb_hcd *hcd, struct urb *urb); -- cgit v1.3-8-gc7d7 From 6538eafc7cb6b2d718d2539bef3158bfaad57468 Mon Sep 17 00:00:00 2001 From: Sarah Sharp Date: Tue, 8 May 2012 07:44:01 -0700 Subject: USB: Add macros for interrupt endpoint types. The USB 3.0 spec defines a new way of differentiating interrupt endpoints. The idea is that some interrupt endpoints are used for notifications, i.e. they continually NAK the transfer until something changes on the device. Other interrupt endpoints are used as a way to periodically transfer data. The USB 3.0 endpoint descriptor uses bits 5:4 of bmAttributes for interrupt endpoints, to define the endpoint as either a Notification endpoint, or a Periodic endpoint. Introduce macros to dig out that information. Signed-off-by: Sarah Sharp --- include/linux/usb/ch9.h | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'include/linux/usb') diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h index 43bce9da7a4d..d1d732c2838d 100644 --- a/include/linux/usb/ch9.h +++ b/include/linux/usb/ch9.h @@ -392,6 +392,11 @@ struct usb_endpoint_descriptor { #define USB_ENDPOINT_XFER_INT 3 #define USB_ENDPOINT_MAX_ADJUSTABLE 0x80 +/* The USB 3.0 spec redefines bits 5:4 of bmAttributes as interrupt ep type. */ +#define USB_ENDPOINT_INTRTYPE 0x30 +#define USB_ENDPOINT_INTR_PERIODIC (0 << 4) +#define USB_ENDPOINT_INTR_NOTIFICATION (1 << 4) + #define USB_ENDPOINT_SYNCTYPE 0x0c #define USB_ENDPOINT_SYNC_NONE (0 << 2) #define USB_ENDPOINT_SYNC_ASYNC (1 << 2) @@ -594,6 +599,12 @@ static inline int usb_endpoint_maxp(const struct usb_endpoint_descriptor *epd) return __le16_to_cpu(epd->wMaxPacketSize); } +static inline int usb_endpoint_interrupt_type( + const struct usb_endpoint_descriptor *epd) +{ + return epd->bmAttributes & USB_ENDPOINT_INTRTYPE; +} + /*-------------------------------------------------------------------------*/ /* USB_DT_SS_ENDPOINT_COMP: SuperSpeed Endpoint Companion descriptor */ -- cgit v1.3-8-gc7d7