diff options
Diffstat (limited to 'drivers/usb')
115 files changed, 3791 insertions, 4161 deletions
diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile index 9b7d9769fdcc..c7123bf71c58 100644 --- a/drivers/usb/Makefile +++ b/drivers/usb/Makefile @@ -48,6 +48,7 @@ obj-$(CONFIG_USB_MICROTEK) += image/ obj-$(CONFIG_USB_SERIAL) += serial/ obj-$(CONFIG_USB_AUERSWALD) += misc/ +obj-$(CONFIG_USB_CY7C63) += misc/ obj-$(CONFIG_USB_CYTHERM) += misc/ obj-$(CONFIG_USB_EMI26) += misc/ obj-$(CONFIG_USB_EMI62) += misc/ @@ -61,6 +62,7 @@ obj-$(CONFIG_USB_TEST) += misc/ obj-$(CONFIG_USB_USS720) += misc/ obj-$(CONFIG_USB_PHIDGETSERVO) += misc/ obj-$(CONFIG_USB_SISUSBVGA) += misc/ +obj-$(CONFIG_USB_APPLEDISPLAY) += misc/ obj-$(CONFIG_USB_ATM) += atm/ obj-$(CONFIG_USB_SPEEDTOUCH) += atm/ diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c index 546249843b8e..a38701c742c3 100644 --- a/drivers/usb/atm/usbatm.c +++ b/drivers/usb/atm/usbatm.c @@ -1039,7 +1039,7 @@ static void usbatm_tasklet_schedule(unsigned long data) tasklet_schedule((struct tasklet_struct *) data); } -static inline void usbatm_init_channel(struct usbatm_channel *channel) +static void usbatm_init_channel(struct usbatm_channel *channel) { spin_lock_init(&channel->lock); INIT_LIST_HEAD(&channel->list); diff --git a/drivers/usb/atm/xusbatm.c b/drivers/usb/atm/xusbatm.c index 42d6823b82b3..70125c6d3be4 100644 --- a/drivers/usb/atm/xusbatm.c +++ b/drivers/usb/atm/xusbatm.c @@ -20,7 +20,6 @@ ******************************************************************************/ #include <linux/module.h> -#include <linux/netdevice.h> /* FIXME: required by linux/etherdevice.h */ #include <linux/etherdevice.h> /* for random_ether_addr() */ #include "usbatm.h" diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 6dd339f4c0fc..d41dc67ba4cc 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -63,7 +63,7 @@ #include <linux/mutex.h> #include <asm/uaccess.h> #include <linux/usb.h> -#include <linux/usb_cdc.h> +#include <linux/usb/cdc.h> #include <asm/byteorder.h> #include <asm/unaligned.h> #include <linux/list.h> @@ -127,8 +127,8 @@ static int acm_wb_alloc(struct acm *acm) wb->use = 1; return wbn; } - wbn = (wbn + 1) % ACM_NWB; - if (++i >= ACM_NWB) + wbn = (wbn + 1) % ACM_NW; + if (++i >= ACM_NW) return -1; } } @@ -142,10 +142,9 @@ static int acm_wb_is_avail(struct acm *acm) { int i, n; - n = 0; - for (i = 0; i < ACM_NWB; i++) { - if (!acm->wb[i].use) - n++; + n = ACM_NW; + for (i = 0; i < ACM_NW; i++) { + n -= acm->wb[i].use; } return n; } @@ -167,7 +166,7 @@ static void acm_write_done(struct acm *acm) acm->write_ready = 1; wbn = acm->write_current; acm_wb_free(acm, wbn); - acm->write_current = (wbn + 1) % ACM_NWB; + acm->write_current = (wbn + 1) % ACM_NW; spin_unlock_irqrestore(&acm->write_lock, flags); } @@ -291,22 +290,32 @@ static void acm_read_bulk(struct urb *urb, struct pt_regs *regs) struct acm_rb *buf; struct acm_ru *rcv = urb->context; struct acm *acm = rcv->instance; + int status = urb->status; dbg("Entering acm_read_bulk with status %d\n", urb->status); if (!ACM_READY(acm)) return; - if (urb->status) - dev_dbg(&acm->data->dev, "bulk rx status %d\n", urb->status); + if (status) + dev_dbg(&acm->data->dev, "bulk rx status %d\n", status); buf = rcv->buffer; buf->size = urb->actual_length; - spin_lock(&acm->read_lock); - list_add_tail(&rcv->list, &acm->spare_read_urbs); - list_add_tail(&buf->list, &acm->filled_read_bufs); - spin_unlock(&acm->read_lock); - + if (likely(status == 0)) { + spin_lock(&acm->read_lock); + list_add_tail(&rcv->list, &acm->spare_read_urbs); + list_add_tail(&buf->list, &acm->filled_read_bufs); + spin_unlock(&acm->read_lock); + } else { + /* we drop the buffer due to an error */ + spin_lock(&acm->read_lock); + list_add_tail(&rcv->list, &acm->spare_read_urbs); + list_add(&buf->list, &acm->spare_read_bufs); + spin_unlock(&acm->read_lock); + /* nevertheless the tasklet must be kicked unconditionally + so the queue cannot dry up */ + } tasklet_schedule(&acm->urb_task); } @@ -464,10 +473,10 @@ static int acm_tty_open(struct tty_struct *tty, struct file *filp) INIT_LIST_HEAD(&acm->spare_read_urbs); INIT_LIST_HEAD(&acm->spare_read_bufs); INIT_LIST_HEAD(&acm->filled_read_bufs); - for (i = 0; i < ACM_NRU; i++) { + for (i = 0; i < acm->rx_buflimit; i++) { list_add(&(acm->ru[i].list), &acm->spare_read_urbs); } - for (i = 0; i < ACM_NRB; i++) { + for (i = 0; i < acm->rx_buflimit; i++) { list_add(&(acm->rb[i].list), &acm->spare_read_bufs); } @@ -488,14 +497,15 @@ bail_out: static void acm_tty_unregister(struct acm *acm) { - int i; + int i,nr; + nr = acm->rx_buflimit; tty_unregister_device(acm_tty_driver, acm->minor); usb_put_intf(acm->control); acm_table[acm->minor] = NULL; usb_free_urb(acm->ctrlurb); usb_free_urb(acm->writeurb); - for (i = 0; i < ACM_NRU; i++) + for (i = 0; i < nr; i++) usb_free_urb(acm->ru[i].urb); kfree(acm); } @@ -503,18 +513,19 @@ static void acm_tty_unregister(struct acm *acm) static void acm_tty_close(struct tty_struct *tty, struct file *filp) { struct acm *acm = tty->driver_data; - int i; + int i,nr; if (!acm || !acm->used) return; + nr = acm->rx_buflimit; mutex_lock(&open_mutex); if (!--acm->used) { if (acm->dev) { acm_set_control(acm, acm->ctrlout = 0); usb_kill_urb(acm->ctrlurb); usb_kill_urb(acm->writeurb); - for (i = 0; i < ACM_NRU; i++) + for (i = 0; i < nr; i++) usb_kill_urb(acm->ru[i].urb); } else acm_tty_unregister(acm); @@ -576,7 +587,7 @@ static int acm_tty_chars_in_buffer(struct tty_struct *tty) /* * This is inaccurate (overcounts), but it works. */ - return (ACM_NWB - acm_wb_is_avail(acm)) * acm->writesize; + return (ACM_NW - acm_wb_is_avail(acm)) * acm->writesize; } static void acm_tty_throttle(struct tty_struct *tty) @@ -712,7 +723,7 @@ static void acm_write_buffers_free(struct acm *acm) int i; struct acm_wb *wb; - for (wb = &acm->wb[0], i = 0; i < ACM_NWB; i++, wb++) { + for (wb = &acm->wb[0], i = 0; i < ACM_NW; i++, wb++) { usb_buffer_free(acm->dev, acm->writesize, wb->buf, wb->dmah); } } @@ -723,7 +734,7 @@ static int acm_write_buffers_alloc(struct acm *acm) int i; struct acm_wb *wb; - for (wb = &acm->wb[0], i = 0; i < ACM_NWB; i++, wb++) { + for (wb = &acm->wb[0], i = 0; i < ACM_NW; i++, wb++) { wb->buf = usb_buffer_alloc(acm->dev, acm->writesize, GFP_KERNEL, &wb->dmah); if (!wb->buf) { @@ -760,10 +771,14 @@ static int acm_probe (struct usb_interface *intf, int call_interface_num = -1; int data_interface_num; unsigned long quirks; + int num_rx_buf; int i; - /* handle quirks deadly to normal probing*/ + /* normal quirks */ quirks = (unsigned long)id->driver_info; + num_rx_buf = (quirks == SINGLE_RX_URB) ? 1 : ACM_NR; + + /* handle quirks deadly to normal probing*/ if (quirks == NO_UNION_NORMAL) { data_interface = usb_ifnum_to_if(usb_dev, 1); control_interface = usb_ifnum_to_if(usb_dev, 0); @@ -900,7 +915,7 @@ skip_normal_probe: } ctrlsize = le16_to_cpu(epctrl->wMaxPacketSize); - readsize = le16_to_cpu(epread->wMaxPacketSize)*2; + readsize = le16_to_cpu(epread->wMaxPacketSize)* ( quirks == SINGLE_RX_URB ? 1 : 2); acm->writesize = le16_to_cpu(epwrite->wMaxPacketSize); acm->control = control_interface; acm->data = data_interface; @@ -909,6 +924,7 @@ skip_normal_probe: acm->ctrl_caps = ac_management_function; acm->ctrlsize = ctrlsize; acm->readsize = readsize; + acm->rx_buflimit = num_rx_buf; acm->urb_task.func = acm_rx_tasklet; acm->urb_task.data = (unsigned long) acm; INIT_WORK(&acm->work, acm_softint, acm); @@ -935,7 +951,7 @@ skip_normal_probe: dev_dbg(&intf->dev, "out of memory (ctrlurb kmalloc)\n"); goto alloc_fail5; } - for (i = 0; i < ACM_NRU; i++) { + for (i = 0; i < num_rx_buf; i++) { struct acm_ru *rcv = &(acm->ru[i]); if (!(rcv->urb = usb_alloc_urb(0, GFP_KERNEL))) { @@ -946,10 +962,9 @@ skip_normal_probe: rcv->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; rcv->instance = acm; } - for (i = 0; i < ACM_NRB; i++) { + for (i = 0; i < num_rx_buf; i++) { struct acm_rb *buf = &(acm->rb[i]); - // Using usb_buffer_alloc instead of kmalloc as Oliver suggested if (!(buf->base = usb_buffer_alloc(acm->dev, readsize, GFP_KERNEL, &buf->dma))) { dev_dbg(&intf->dev, "out of memory (read bufs usb_buffer_alloc)\n"); goto alloc_fail7; @@ -988,9 +1003,9 @@ skip_normal_probe: return 0; alloc_fail7: - for (i = 0; i < ACM_NRB; i++) + for (i = 0; i < num_rx_buf; i++) usb_buffer_free(usb_dev, acm->readsize, acm->rb[i].base, acm->rb[i].dma); - for (i = 0; i < ACM_NRU; i++) + for (i = 0; i < num_rx_buf; i++) usb_free_urb(acm->ru[i].urb); usb_free_urb(acm->ctrlurb); alloc_fail5: @@ -1027,7 +1042,7 @@ static void acm_disconnect(struct usb_interface *intf) usb_kill_urb(acm->ctrlurb); usb_kill_urb(acm->writeurb); - for (i = 0; i < ACM_NRU; i++) + for (i = 0; i < acm->rx_buflimit; i++) usb_kill_urb(acm->ru[i].urb); INIT_LIST_HEAD(&acm->filled_read_bufs); @@ -1039,7 +1054,7 @@ static void acm_disconnect(struct usb_interface *intf) acm_write_buffers_free(acm); usb_buffer_free(usb_dev, acm->ctrlsize, acm->ctrl_buffer, acm->ctrl_dma); - for (i = 0; i < ACM_NRB; i++) + for (i = 0; i < acm->rx_buflimit; i++) usb_buffer_free(usb_dev, acm->readsize, acm->rb[i].base, acm->rb[i].dma); usb_driver_release_interface(&acm_driver, intf == acm->control ? acm->data : intf); @@ -1068,6 +1083,9 @@ static struct usb_device_id acm_ids[] = { { USB_DEVICE(0x0482, 0x0203), /* KYOCERA AH-K3001V */ .driver_info = NO_UNION_NORMAL, /* has no union descriptor */ }, + { USB_DEVICE(0x0ace, 0x1608), /* ZyDAS 56K USB MODEM */ + .driver_info = SINGLE_RX_URB, /* firmware bug */ + }, /* control interfaces with various AT-command sets */ { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM, USB_CDC_ACM_PROTO_AT_V25TER) }, diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h index fd2aaccdcbac..1bcaea32cfc1 100644 --- a/drivers/usb/class/cdc-acm.h +++ b/drivers/usb/class/cdc-acm.h @@ -56,11 +56,11 @@ * in line disciplines. They ask for empty space amount, receive our URB size, * and proceed to issue several 1-character writes, assuming they will fit. * The very first write takes a complete URB. Fortunately, this only happens - * when processing onlcr, so we only need 2 buffers. + * when processing onlcr, so we only need 2 buffers. These values must be + * powers of 2. */ -#define ACM_NWB 2 -#define ACM_NRU 16 -#define ACM_NRB 16 +#define ACM_NW 2 +#define ACM_NR 16 struct acm_wb { unsigned char *buf; @@ -91,9 +91,10 @@ struct acm { struct urb *ctrlurb, *writeurb; /* urbs */ u8 *ctrl_buffer; /* buffers of urbs */ dma_addr_t ctrl_dma; /* dma handles of buffers */ - struct acm_wb wb[ACM_NWB]; - struct acm_ru ru[ACM_NRU]; - struct acm_rb rb[ACM_NRB]; + struct acm_wb wb[ACM_NW]; + struct acm_ru ru[ACM_NR]; + struct acm_rb rb[ACM_NR]; + int rx_buflimit; int rx_endpoint; spinlock_t read_lock; struct list_head spare_read_urbs; @@ -122,3 +123,4 @@ struct acm { /* constants describing various quirks and errors */ #define NO_UNION_NORMAL 1 +#define SINGLE_RX_URB 2 diff --git a/drivers/usb/core/Makefile b/drivers/usb/core/Makefile index 28329ddf187c..ec510922af63 100644 --- a/drivers/usb/core/Makefile +++ b/drivers/usb/core/Makefile @@ -3,7 +3,8 @@ # usbcore-objs := usb.o hub.o hcd.o urb.o message.o driver.o \ - config.o file.o buffer.o sysfs.o devio.o notify.o + config.o file.o buffer.o sysfs.o endpoint.o \ + devio.o notify.o ifeq ($(CONFIG_PCI),y) usbcore-objs += hcd-pci.o diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index 545da37afca7..3f8e06279c92 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -515,19 +515,19 @@ static int check_ctrlrecip(struct dev_state *ps, unsigned int requesttype, unsig static struct usb_device *usbdev_lookup_minor(int minor) { - struct class_device *class_dev; - struct usb_device *dev = NULL; + struct device *device; + struct usb_device *udev = NULL; down(&usb_device_class->sem); - list_for_each_entry(class_dev, &usb_device_class->children, node) { - if (class_dev->devt == MKDEV(USB_DEVICE_MAJOR, minor)) { - dev = class_dev->class_data; + list_for_each_entry(device, &usb_device_class->devices, node) { + if (device->devt == MKDEV(USB_DEVICE_MAJOR, minor)) { + udev = device->platform_data; break; } } up(&usb_device_class->sem); - return dev; + return udev; }; /* @@ -823,8 +823,7 @@ static int proc_connectinfo(struct dev_state *ps, void __user *arg) static int proc_resetdevice(struct dev_state *ps) { - return usb_reset_device(ps->dev); - + return usb_reset_composite_device(ps->dev, NULL); } static int proc_setintf(struct dev_state *ps, void __user *arg) @@ -923,8 +922,8 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb, if ((ep->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_CONTROL) return -EINVAL; - /* min 8 byte setup packet, max arbitrary */ - if (uurb->buffer_length < 8 || uurb->buffer_length > PAGE_SIZE) + /* min 8 byte setup packet, max 8 byte setup plus an arbitrary data stage */ + if (uurb->buffer_length < 8 || uurb->buffer_length > (8 + MAX_USBFS_BUFFER_SIZE)) return -EINVAL; if (!(dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL))) return -ENOMEM; @@ -982,7 +981,8 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb, return -EFAULT; } for (totlen = u = 0; u < uurb->number_of_packets; u++) { - if (isopkt[u].length > 1023) { + /* arbitrary limit, sufficient for USB 2.0 high-bandwidth iso */ + if (isopkt[u].length > 8192) { kfree(isopkt); return -EINVAL; } @@ -1078,7 +1078,9 @@ static int proc_submiturb(struct dev_state *ps, void __user *arg) if (copy_from_user(&uurb, arg, sizeof(uurb))) return -EFAULT; - return proc_do_submiturb(ps, &uurb, (((struct usbdevfs_urb __user *)arg)->iso_frame_desc), arg); + return proc_do_submiturb(ps, &uurb, + (struct usbdevfs_iso_packet_desc __user *)uurb.iso_frame_desc, + arg); } static int proc_unlinkurb(struct dev_state *ps, void __user *arg) @@ -1203,7 +1205,9 @@ static int proc_submiturb_compat(struct dev_state *ps, void __user *arg) if (get_urb32(&uurb,(struct usbdevfs_urb32 *)arg)) return -EFAULT; - return proc_do_submiturb(ps, &uurb, ((struct usbdevfs_urb32 __user *)arg)->iso_frame_desc, arg); + return proc_do_submiturb(ps, &uurb, + (struct usbdevfs_iso_packet_desc __user *)uurb.iso_frame_desc, + arg); } static int processcompl_compat(struct async *as, void __user * __user *arg) @@ -1576,16 +1580,16 @@ static void usbdev_add(struct usb_device *dev) { int minor = ((dev->bus->busnum-1) * 128) + (dev->devnum-1); - dev->class_dev = class_device_create(usb_device_class, NULL, - MKDEV(USB_DEVICE_MAJOR, minor), &dev->dev, + dev->usbfs_dev = device_create(usb_device_class, &dev->dev, + MKDEV(USB_DEVICE_MAJOR, minor), "usbdev%d.%d", dev->bus->busnum, dev->devnum); - dev->class_dev->class_data = dev; + dev->usbfs_dev->platform_data = dev; } static void usbdev_remove(struct usb_device *dev) { - class_device_unregister(dev->class_dev); + device_unregister(dev->usbfs_dev); } static int usbdev_notify(struct notifier_block *self, unsigned long action, diff --git a/drivers/usb/core/endpoint.c b/drivers/usb/core/endpoint.c new file mode 100644 index 000000000000..247b5a4913a8 --- /dev/null +++ b/drivers/usb/core/endpoint.c @@ -0,0 +1,275 @@ +/* + * drivers/usb/core/endpoint.c + * + * (C) Copyright 2002,2004,2006 Greg Kroah-Hartman + * (C) Copyright 2002,2004 IBM Corp. + * (C) Copyright 2006 Novell Inc. + * + * Endpoint sysfs stuff + * + */ + +#include <linux/kernel.h> +#include <linux/usb.h> +#include "usb.h" + +/* endpoint stuff */ + +struct ep_device { + struct usb_endpoint_descriptor *desc; + struct usb_device *udev; + struct device dev; +}; +#define to_ep_device(_dev) \ + container_of(_dev, struct ep_device, dev) + +struct ep_attribute { + struct attribute attr; + ssize_t (*show)(struct usb_device *, + struct usb_endpoint_descriptor *, char *); +}; +#define to_ep_attribute(_attr) \ + container_of(_attr, struct ep_attribute, attr) + +#define usb_ep_attr(field, format_string) \ +static ssize_t show_ep_##field(struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ +{ \ + struct ep_device *ep = to_ep_device(dev); \ + return sprintf(buf, format_string, ep->desc->field); \ +} \ +static DEVICE_ATTR(field, S_IRUGO, show_ep_##field, NULL); + +usb_ep_attr(bLength, "%02x\n") +usb_ep_attr(bEndpointAddress, "%02x\n") +usb_ep_attr(bmAttributes, "%02x\n") +usb_ep_attr(bInterval, "%02x\n") + +static ssize_t show_ep_wMaxPacketSize(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ep_device *ep = to_ep_device(dev); + return sprintf(buf, "%04x\n", + le16_to_cpu(ep->desc->wMaxPacketSize) & 0x07ff); +} +static DEVICE_ATTR(wMaxPacketSize, S_IRUGO, show_ep_wMaxPacketSize, NULL); + +static ssize_t show_ep_type(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct ep_device *ep = to_ep_device(dev); + char *type = "unknown"; + + switch (ep->desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) { + case USB_ENDPOINT_XFER_CONTROL: + type = "Control"; + break; + case USB_ENDPOINT_XFER_ISOC: + type = "Isoc"; + break; + case USB_ENDPOINT_XFER_BULK: + type = "Bulk"; + break; + case USB_ENDPOINT_XFER_INT: + type = "Interrupt"; + break; + } + return sprintf(buf, "%s\n", type); +} +static DEVICE_ATTR(type, S_IRUGO, show_ep_type, NULL); + +static ssize_t show_ep_interval(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ep_device *ep = to_ep_device(dev); + char unit; + unsigned interval = 0; + unsigned in; + + in = (ep->desc->bEndpointAddress & USB_DIR_IN); + + switch (ep->desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) { + case USB_ENDPOINT_XFER_CONTROL: + if (ep->udev->speed == USB_SPEED_HIGH) /* uframes per NAK */ + interval = ep->desc->bInterval; + break; + case USB_ENDPOINT_XFER_ISOC: + interval = 1 << (ep->desc->bInterval - 1); + break; + case USB_ENDPOINT_XFER_BULK: + if (ep->udev->speed == USB_SPEED_HIGH && !in) /* uframes per NAK */ + interval = ep->desc->bInterval; + break; + case USB_ENDPOINT_XFER_INT: + if (ep->udev->speed == USB_SPEED_HIGH) + interval = 1 << (ep->desc->bInterval - 1); + else + interval = ep->desc->bInterval; + break; + } + interval *= (ep->udev->speed == USB_SPEED_HIGH) ? 125 : 1000; + if (interval % 1000) + unit = 'u'; + else { + unit = 'm'; + interval /= 1000; + } + + return sprintf(buf, "%d%cs\n", interval, unit); +} +static DEVICE_ATTR(interval, S_IRUGO, show_ep_interval, NULL); + +static ssize_t show_ep_direction(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ep_device *ep = to_ep_device(dev); + char *direction; + + if ((ep->desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == + USB_ENDPOINT_XFER_CONTROL) + direction = "both"; + else if (ep->desc->bEndpointAddress & USB_DIR_IN) + direction = "in"; + else + direction = "out"; + return sprintf(buf, "%s\n", direction); +} +static DEVICE_ATTR(direction, S_IRUGO, show_ep_direction, NULL); + +static struct attribute *ep_dev_attrs[] = { + &dev_attr_bLength.attr, + &dev_attr_bEndpointAddress.attr, + &dev_attr_bmAttributes.attr, + &dev_attr_bInterval.attr, + &dev_attr_wMaxPacketSize.attr, + &dev_attr_interval.attr, + &dev_attr_type.attr, + &dev_attr_direction.attr, + NULL, +}; +static struct attribute_group ep_dev_attr_grp = { + .attrs = ep_dev_attrs, +}; + +static struct endpoint_class { + struct kref kref; + struct class *class; +} *ep_class; + +static int init_endpoint_class(void) +{ + int result = 0; + + if (ep_class != NULL) { + kref_get(&ep_class->kref); + goto exit; + } + + ep_class = kmalloc(sizeof(*ep_class), GFP_KERNEL); + if (!ep_class) { + result = -ENOMEM; + goto exit; + } + + kref_init(&ep_class->kref); + ep_class->class = class_create(THIS_MODULE, "usb_endpoint"); + if (IS_ERR(ep_class->class)) { + result = IS_ERR(ep_class->class); + kfree(ep_class); + ep_class = NULL; + goto exit; + } + +exit: + return result; +} + +static void release_endpoint_class(struct kref *kref) +{ + /* Ok, we cheat as we know we only have one ep_class */ + class_destroy(ep_class->class); + kfree(ep_class); + ep_class = NULL; +} + +static void destroy_endpoint_class(void) +{ + if (ep_class) + kref_put(&ep_class->kref, release_endpoint_class); +} + +static void ep_device_release(struct device *dev) +{ + struct ep_device *ep_dev = to_ep_device(dev); + + dev_dbg(dev, "%s called for %s\n", __FUNCTION__, dev->bus_id); + kfree(ep_dev); +} + +void usb_create_ep_files(struct device *parent, + struct usb_host_endpoint *endpoint, + struct usb_device *udev) +{ + char name[8]; + struct ep_device *ep_dev; + int minor; + int retval; + + retval = init_endpoint_class(); + if (retval) + goto exit; + + ep_dev = kzalloc(sizeof(*ep_dev), GFP_KERNEL); + if (!ep_dev) { + retval = -ENOMEM; + goto exit; + } + + /* fun calculation to determine the minor of this endpoint */ + minor = (((udev->bus->busnum - 1) * 128) * 16) + (udev->devnum - 1); + + ep_dev->desc = &endpoint->desc; + ep_dev->udev = udev; + ep_dev->dev.devt = MKDEV(442, minor); // FIXME fake number... + ep_dev->dev.class = ep_class->class; + ep_dev->dev.parent = parent; + ep_dev->dev.release = ep_device_release; + snprintf(ep_dev->dev.bus_id, BUS_ID_SIZE, "usbdev%d.%d_ep%02x", + udev->bus->busnum, udev->devnum, + endpoint->desc.bEndpointAddress); + + retval = device_register(&ep_dev->dev); + if (retval) + goto error; + sysfs_create_group(&ep_dev->dev.kobj, &ep_dev_attr_grp); + + endpoint->ep_dev = ep_dev; + + /* create the symlink to the old-style "ep_XX" directory */ + sprintf(name, "ep_%02x", endpoint->desc.bEndpointAddress); + sysfs_create_link(&parent->kobj, &endpoint->ep_dev->dev.kobj, name); + +exit: + return; +error: + kfree(ep_dev); + return; +} + +void usb_remove_ep_files(struct usb_host_endpoint *endpoint) +{ + + if (endpoint->ep_dev) { + char name[8]; + + sprintf(name, "ep_%02x", endpoint->desc.bEndpointAddress); + sysfs_remove_link(&endpoint->ep_dev->dev.parent->kobj, name); + sysfs_remove_group(&endpoint->ep_dev->dev.kobj, &ep_dev_attr_grp); + device_unregister(&endpoint->ep_dev->dev); + endpoint->ep_dev = NULL; + } + destroy_endpoint_class(); +} + + diff --git a/drivers/usb/core/file.c b/drivers/usb/core/file.c index b263a54a13c0..f65b193cde3d 100644 --- a/drivers/usb/core/file.c +++ b/drivers/usb/core/file.c @@ -61,33 +61,66 @@ static struct file_operations usb_fops = { .open = usb_open, }; -static struct class *usb_class; +static struct usb_class { + struct kref kref; + struct class *class; +} *usb_class; -int usb_major_init(void) +static int init_usb_class(void) { - int error; + int result = 0; - error = register_chrdev(USB_MAJOR, "usb", &usb_fops); - if (error) { - err("unable to get major %d for usb devices", USB_MAJOR); - goto out; + if (usb_class != NULL) { + kref_get(&usb_class->kref); + goto exit; + } + + usb_class = kmalloc(sizeof(*usb_class), GFP_KERNEL); + if (!usb_class) { + result = -ENOMEM; + goto exit; } - usb_class = class_create(THIS_MODULE, "usb"); - if (IS_ERR(usb_class)) { - error = PTR_ERR(usb_class); + kref_init(&usb_class->kref); + usb_class->class = class_create(THIS_MODULE, "usb"); + if (IS_ERR(usb_class->class)) { + result = IS_ERR(usb_class->class); err("class_create failed for usb devices"); - unregister_chrdev(USB_MAJOR, "usb"); - goto out; + kfree(usb_class); + usb_class = NULL; } -out: +exit: + return result; +} + +static void release_usb_class(struct kref *kref) +{ + /* Ok, we cheat as we know we only have one usb_class */ + class_destroy(usb_class->class); + kfree(usb_class); + usb_class = NULL; +} + +static void destroy_usb_class(void) +{ + if (usb_class) + kref_put(&usb_class->kref, release_usb_class); +} + +int usb_major_init(void) +{ + int error; + + error = register_chrdev(USB_MAJOR, "usb", &usb_fops); + if (error) + err("unable to get major %d for usb devices", USB_MAJOR); + return error; } void usb_major_cleanup(void) { - class_destroy(usb_class); unregister_chrdev(USB_MAJOR, "usb"); } @@ -149,6 +182,10 @@ int usb_register_dev(struct usb_interface *intf, if (retval) goto exit; + retval = init_usb_class(); + if (retval) + goto exit; + intf->minor = minor; /* create a usb class device for this usb interface */ @@ -158,14 +195,13 @@ int usb_register_dev(struct usb_interface *intf, ++temp; else temp = name; - intf->class_dev = class_device_create(usb_class, NULL, - MKDEV(USB_MAJOR, minor), - &intf->dev, "%s", temp); - if (IS_ERR(intf->class_dev)) { + intf->usb_dev = device_create(usb_class->class, &intf->dev, + MKDEV(USB_MAJOR, minor), "%s", temp); + if (IS_ERR(intf->usb_dev)) { spin_lock (&minor_lock); usb_minors[intf->minor] = NULL; spin_unlock (&minor_lock); - retval = PTR_ERR(intf->class_dev); + retval = PTR_ERR(intf->usb_dev); } exit: return retval; @@ -206,9 +242,10 @@ void usb_deregister_dev(struct usb_interface *intf, spin_unlock (&minor_lock); snprintf(name, BUS_ID_SIZE, class_driver->name, intf->minor - minor_base); - class_device_destroy(usb_class, MKDEV(USB_MAJOR, intf->minor)); - intf->class_dev = NULL; + device_destroy(usb_class->class, MKDEV(USB_MAJOR, intf->minor)); + intf->usb_dev = NULL; intf->minor = -1; + destroy_usb_class(); } EXPORT_SYMBOL(usb_deregister_dev); diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index e2e00ba4e1e6..4bf914d00a14 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -1826,24 +1826,16 @@ int usb_add_hcd(struct usb_hcd *hcd, /* enable irqs just before we start the controller */ if (hcd->driver->irq) { - char buf[8], *bufp = buf; - -#ifdef __sparc__ - bufp = __irq_itoa(irqnum); -#else - sprintf(buf, "%d", irqnum); -#endif - snprintf(hcd->irq_descr, sizeof(hcd->irq_descr), "%s:usb%d", hcd->driver->description, hcd->self.busnum); if ((retval = request_irq(irqnum, &usb_hcd_irq, irqflags, hcd->irq_descr, hcd)) != 0) { dev_err(hcd->self.controller, - "request interrupt %s failed\n", bufp); + "request interrupt %d failed\n", irqnum); goto err_request_irq; } hcd->irq = irqnum; - dev_info(hcd->self.controller, "irq %s, %s 0x%08llx\n", bufp, + dev_info(hcd->self.controller, "irq %d, %s 0x%08llx\n", irqnum, (hcd->driver->flags & HCD_MEMORY) ? "io mem" : "io base", (unsigned long long)hcd->rsrc_start); diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 90b8d43c6b33..e1731ff8af4d 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -432,15 +432,22 @@ static void hub_power_on(struct usb_hub *hub) { int port1; unsigned pgood_delay = hub->descriptor->bPwrOn2PwrGood * 2; - u16 wHubCharacteristics = le16_to_cpu(hub->descriptor->wHubCharacteristics); - - /* if hub supports power switching, enable power on each port */ - if ((wHubCharacteristics & HUB_CHAR_LPSM) < 2) { + u16 wHubCharacteristics = + le16_to_cpu(hub->descriptor->wHubCharacteristics); + + /* Enable power on each port. Some hubs have reserved values + * of LPSM (> 2) in their descriptors, even though they are + * USB 2.0 hubs. Some hubs do not implement port-power switching + * but only emulate it. In all cases, the ports won't work + * unless we send these messages to the hub. + */ + if ((wHubCharacteristics & HUB_CHAR_LPSM) < 2) dev_dbg(hub->intfdev, "enabling power on all ports\n"); - for (port1 = 1; port1 <= hub->descriptor->bNbrPorts; port1++) - set_port_feature(hub->hdev, port1, - USB_PORT_FEAT_POWER); - } + else + dev_dbg(hub->intfdev, "trying to enable port power on " + "non-switchable hub\n"); + for (port1 = 1; port1 <= hub->descriptor->bNbrPorts; port1++) + set_port_feature(hub->hdev, port1, USB_PORT_FEAT_POWER); /* Wait at least 100 msec for power to become stable */ msleep(max(pgood_delay, (unsigned) 100)); @@ -518,15 +525,16 @@ static int hub_port_disable(struct usb_hub *hub, int port1, int set_state) /* caller has locked the hub device */ -static void hub_pre_reset(struct usb_hub *hub, int disable_ports) +static void hub_pre_reset(struct usb_interface *intf) { + struct usb_hub *hub = usb_get_intfdata(intf); struct usb_device *hdev = hub->hdev; int port1; for (port1 = 1; port1 <= hdev->maxchild; ++port1) { if (hdev->children[port1 - 1]) { usb_disconnect(&hdev->children[port1 - 1]); - if (disable_ports) + if (hub->error == 0) hub_port_disable(hub, port1, 0); } } @@ -534,8 +542,10 @@ static void hub_pre_reset(struct usb_hub *hub, int disable_ports) } /* caller has locked the hub device */ -static void hub_post_reset(struct usb_hub *hub) +static void hub_post_reset(struct usb_interface *intf) { + struct usb_hub *hub = usb_get_intfdata(intf); + hub_activate(hub); hub_power_on(hub); } @@ -795,15 +805,16 @@ static void hub_disconnect(struct usb_interface *intf) struct usb_hub *hub = usb_get_intfdata (intf); struct usb_device *hdev; + /* Disconnect all children and quiesce the hub */ + hub->error = 0; + hub_pre_reset(intf); + usb_set_intfdata (intf, NULL); hdev = hub->hdev; if (hdev->speed == USB_SPEED_HIGH) highspeed_hubs--; - /* Disconnect all children and quiesce the hub */ - hub_pre_reset(hub, 1); - usb_free_urb(hub->urb); hub->urb = NULL; @@ -1169,6 +1180,7 @@ static int choose_configuration(struct usb_device *udev) { int i; int num_configs; + int insufficient_power = 0; struct usb_host_config *c, *best; best = NULL; @@ -1221,8 +1233,10 @@ static int choose_configuration(struct usb_device *udev) */ /* Rule out configs that draw too much bus current */ - if (c->desc.bMaxPower * 2 > udev->bus_mA) + if (c->desc.bMaxPower * 2 > udev->bus_mA) { + insufficient_power++; continue; + } /* If the first config's first interface is COMM/2/0xff * (MSFT RNDIS), rule it out unless Linux has host-side @@ -1231,7 +1245,7 @@ static int choose_configuration(struct usb_device *udev) && desc->bInterfaceClass == USB_CLASS_COMM && desc->bInterfaceSubClass == 2 && desc->bInterfaceProtocol == 0xff) { -#ifndef CONFIG_USB_NET_RNDIS +#ifndef CONFIG_USB_NET_RNDIS_HOST continue; #else best = c; @@ -1256,6 +1270,11 @@ static int choose_configuration(struct usb_device *udev) best = c; } + if (insufficient_power > 0) + dev_info(&udev->dev, "rejected %d configuration%s " + "due to insufficient available bus power\n", + insufficient_power, plural(insufficient_power)); + if (best) { i = best->desc.bConfigurationValue; dev_info(&udev->dev, @@ -2732,7 +2751,8 @@ static void hub_events(void) /* If the hub has died, clean up after it */ if (hdev->state == USB_STATE_NOTATTACHED) { - hub_pre_reset(hub, 0); + hub->error = -ENODEV; + hub_pre_reset(intf); goto loop; } @@ -2744,7 +2764,7 @@ static void hub_events(void) dev_dbg (hub_dev, "resetting for error %d\n", hub->error); - ret = usb_reset_device(hdev); + ret = usb_reset_composite_device(hdev, intf); if (ret) { dev_dbg (hub_dev, "error resetting hub: %d\n", ret); @@ -2913,6 +2933,8 @@ static struct usb_driver hub_driver = { .disconnect = hub_disconnect, .suspend = hub_suspend, .resume = hub_resume, + .pre_reset = hub_pre_reset, + .post_reset = hub_post_reset, .ioctl = hub_ioctl, .id_table = hub_id_table, }; @@ -2992,9 +3014,9 @@ static int config_descriptors_changed(struct usb_device *udev) * usb_reset_device - perform a USB port reset to reinitialize a device * @udev: device to reset (not in SUSPENDED or NOTATTACHED state) * - * WARNING - don't reset any device unless drivers for all of its - * interfaces are expecting that reset! Maybe some driver->reset() - * method should eventually help ensure sufficient cooperation. + * WARNING - don't use this routine to reset a composite device + * (one with multiple interfaces owned by separate drivers)! + * Use usb_reset_composite_device() instead. * * Do a port reset, reassign the device's address, and establish its * former operating configuration. If the reset fails, or the device's @@ -3018,7 +3040,6 @@ int usb_reset_device(struct usb_device *udev) struct usb_device *parent_hdev = udev->parent; struct usb_hub *parent_hub; struct usb_device_descriptor descriptor = udev->descriptor; - struct usb_hub *hub = NULL; int i, ret = 0; int port1 = udev->portnum; @@ -3036,14 +3057,6 @@ int usb_reset_device(struct usb_device *udev) } parent_hub = hdev_to_hub(parent_hdev); - /* If we're resetting an active hub, take some special actions */ - if (udev->actconfig && udev->actconfig->desc.bNumInterfaces > 0 && - udev->actconfig->interface[0]->dev.driver == - &hub_driver.driver && - (hub = hdev_to_hub(udev)) != NULL) { - hub_pre_reset(hub, 0); - } - set_bit(port1, parent_hub->busy_bits); for (i = 0; i < SET_CONFIG_TRIES; ++i) { @@ -3102,11 +3115,87 @@ int usb_reset_device(struct usb_device *udev) } done: - if (hub) - hub_post_reset(hub); return 0; re_enumerate: hub_port_logical_disconnect(parent_hub, port1); return -ENODEV; } + +/** + * usb_reset_composite_device - warn interface drivers and perform a USB port reset + * @udev: device to reset (not in SUSPENDED or NOTATTACHED state) + * @iface: interface bound to the driver making the request (optional) + * + * Warns all drivers bound to registered interfaces (using their pre_reset + * method), performs the port reset, and then lets the drivers know that + * the reset is over (using their post_reset method). + * + * Return value is the same as for usb_reset_device(). + * + * The caller must own the device lock. For example, it's safe to use + * this from a driver probe() routine after downloading new firmware. + * For calls that might not occur during probe(), drivers should lock + * the device using usb_lock_device_for_reset(). + * + * The interface locks are acquired during the pre_reset stage and released + * during the post_reset stage. However if iface is not NULL and is + * currently being probed, we assume that the caller already owns its + * lock. + */ +int usb_reset_composite_device(struct usb_device *udev, + struct usb_interface *iface) +{ + int ret; + struct usb_host_config *config = udev->actconfig; + + if (udev->state == USB_STATE_NOTATTACHED || + udev->state == USB_STATE_SUSPENDED) { + dev_dbg(&udev->dev, "device reset not allowed in state %d\n", + udev->state); + return -EINVAL; + } + + if (iface && iface->condition != USB_INTERFACE_BINDING) + iface = NULL; + + if (config) { + int i; + struct usb_interface *cintf; + struct usb_driver *drv; + + for (i = 0; i < config->desc.bNumInterfaces; ++i) { + cintf = config->interface[i]; + if (cintf != iface) + down(&cintf->dev.sem); + if (device_is_registered(&cintf->dev) && + cintf->dev.driver) { + drv = to_usb_driver(cintf->dev.driver); + if (drv->pre_reset) + (drv->pre_reset)(cintf); + } + } + } + + ret = usb_reset_device(udev); + + if (config) { + int i; + struct usb_interface *cintf; + struct usb_driver *drv; + + for (i = config->desc.bNumInterfaces - 1; i >= 0; --i) { + cintf = config->interface[i]; + if (device_is_registered(&cintf->dev) && + cintf->dev.driver) { + drv = to_usb_driver(cintf->dev.driver); + if (drv->post_reset) + (drv->post_reset)(cintf); + } + if (cintf != iface) + up(&cintf->dev.sem); + } + } + + return ret; +} diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 08fb20f06f3e..8569600f3130 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -158,6 +158,37 @@ int usb_control_msg(struct usb_device *dev, unsigned int pipe, __u8 request, __u /** + * usb_interrupt_msg - Builds an interrupt urb, sends it off and waits for completion + * @usb_dev: pointer to the usb device to send the message to + * @pipe: endpoint "pipe" to send the message to + * @data: pointer to the data to send + * @len: length in bytes of the data to send + * @actual_length: pointer to a location to put the actual length transferred in bytes + * @timeout: time in msecs to wait for the message to complete before + * timing out (if 0 the wait is forever) + * Context: !in_interrupt () + * + * This function sends a simple interrupt message to a specified endpoint and + * waits for the message to complete, or timeout. + * + * If successful, it returns 0, otherwise a negative error number. The number + * of actual bytes transferred will be stored in the actual_length paramater. + * + * Don't use this function from within an interrupt context, like a bottom half + * handler. If you need an asynchronous message, or need to send a message + * from within interrupt context, use usb_submit_urb() If a thread in your + * driver uses this call, make sure your disconnect() method can wait for it to + * complete. Since you don't have a handle on the URB used, you can't cancel + * the request. + */ +int usb_interrupt_msg(struct usb_device *usb_dev, unsigned int pipe, + void *data, int len, int *actual_length, int timeout) +{ + return usb_bulk_msg(usb_dev, pipe, data, len, actual_length, timeout); +} +EXPORT_SYMBOL_GPL(usb_interrupt_msg); + +/** * usb_bulk_msg - Builds a bulk urb, sends it off and waits for completion * @usb_dev: pointer to the usb device to send the message to * @pipe: endpoint "pipe" to send the message to @@ -1380,15 +1411,7 @@ free_interfaces: return ret; } } - } - - /* if it's already configured, clear out old state first. - * getting rid of old interfaces means unbinding their drivers. - */ - if (dev->state != USB_STATE_ADDRESS) - usb_disable_device (dev, 1); // Skip ep0 - if (cp) { i = dev->bus_mA - cp->desc.bMaxPower * 2; if (i < 0) dev_warn(&dev->dev, "new config #%d exceeds power " @@ -1396,84 +1419,91 @@ free_interfaces: configuration, -i); } + /* if it's already configured, clear out old state first. + * getting rid of old interfaces means unbinding their drivers. + */ + if (dev->state != USB_STATE_ADDRESS) + usb_disable_device (dev, 1); // Skip ep0 + if ((ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION, 0, configuration, 0, - NULL, 0, USB_CTRL_SET_TIMEOUT)) < 0) - goto free_interfaces; + NULL, 0, USB_CTRL_SET_TIMEOUT)) < 0) { + + /* All the old state is gone, so what else can we do? + * The device is probably useless now anyway. + */ + cp = NULL; + } dev->actconfig = cp; - if (!cp) + if (!cp) { usb_set_device_state(dev, USB_STATE_ADDRESS); - else { - usb_set_device_state(dev, USB_STATE_CONFIGURED); + goto free_interfaces; + } + usb_set_device_state(dev, USB_STATE_CONFIGURED); - /* Initialize the new interface structures and the - * hc/hcd/usbcore interface/endpoint state. - */ - for (i = 0; i < nintf; ++i) { - struct usb_interface_cache *intfc; - struct usb_interface *intf; - struct usb_host_interface *alt; - - cp->interface[i] = intf = new_interfaces[i]; - intfc = cp->intf_cache[i]; - intf->altsetting = intfc->altsetting; - intf->num_altsetting = intfc->num_altsetting; - kref_get(&intfc->ref); - - alt = usb_altnum_to_altsetting(intf, 0); - - /* No altsetting 0? We'll assume the first altsetting. - * We could use a GetInterface call, but if a device is - * so non-compliant that it doesn't have altsetting 0 - * then I wouldn't trust its reply anyway. - */ - if (!alt) - alt = &intf->altsetting[0]; - - intf->cur_altsetting = alt; - usb_enable_interface(dev, intf); - intf->dev.parent = &dev->dev; - intf->dev.driver = NULL; - intf->dev.bus = &usb_bus_type; - intf->dev.dma_mask = dev->dev.dma_mask; - intf->dev.release = release_interface; - device_initialize (&intf->dev); - mark_quiesced(intf); - sprintf (&intf->dev.bus_id[0], "%d-%s:%d.%d", - dev->bus->busnum, dev->devpath, - configuration, - alt->desc.bInterfaceNumber); - } - kfree(new_interfaces); + /* Initialize the new interface structures and the + * hc/hcd/usbcore interface/endpoint state. + */ + for (i = 0; i < nintf; ++i) { + struct usb_interface_cache *intfc; + struct usb_interface *intf; + struct usb_host_interface *alt; + + cp->interface[i] = intf = new_interfaces[i]; + intfc = cp->intf_cache[i]; + intf->altsetting = intfc->altsetting; + intf->num_altsetting = intfc->num_altsetting; + kref_get(&intfc->ref); - if (cp->string == NULL) - cp->string = usb_cache_string(dev, - cp->desc.iConfiguration); + alt = usb_altnum_to_altsetting(intf, 0); - /* Now that all the interfaces are set up, register them - * to trigger binding of drivers to interfaces. probe() - * routines may install different altsettings and may - * claim() any interfaces not yet bound. Many class drivers - * need that: CDC, audio, video, etc. + /* No altsetting 0? We'll assume the first altsetting. + * We could use a GetInterface call, but if a device is + * so non-compliant that it doesn't have altsetting 0 + * then I wouldn't trust its reply anyway. */ - for (i = 0; i < nintf; ++i) { - struct usb_interface *intf = cp->interface[i]; - - dev_dbg (&dev->dev, - "adding %s (config #%d, interface %d)\n", - intf->dev.bus_id, configuration, - intf->cur_altsetting->desc.bInterfaceNumber); - ret = device_add (&intf->dev); - if (ret != 0) { - dev_err(&dev->dev, - "device_add(%s) --> %d\n", - intf->dev.bus_id, - ret); - continue; - } - usb_create_sysfs_intf_files (intf); + if (!alt) + alt = &intf->altsetting[0]; + + intf->cur_altsetting = alt; + usb_enable_interface(dev, intf); + intf->dev.parent = &dev->dev; + intf->dev.driver = NULL; + intf->dev.bus = &usb_bus_type; + intf->dev.dma_mask = dev->dev.dma_mask; + intf->dev.release = release_interface; + device_initialize (&intf->dev); + mark_quiesced(intf); + sprintf (&intf->dev.bus_id[0], "%d-%s:%d.%d", + dev->bus->busnum, dev->devpath, + configuration, alt->desc.bInterfaceNumber); + } + kfree(new_interfaces); + + if (cp->string == NULL) + cp->string = usb_cache_string(dev, cp->desc.iConfiguration); + + /* Now that all the interfaces are set up, register them + * to trigger binding of drivers to interfaces. probe() + * routines may install different altsettings and may + * claim() any interfaces not yet bound. Many class drivers + * need that: CDC, audio, video, etc. + */ + for (i = 0; i < nintf; ++i) { + struct usb_interface *intf = cp->interface[i]; + + dev_dbg (&dev->dev, + "adding %s (config #%d, interface %d)\n", + intf->dev.bus_id, configuration, + intf->cur_altsetting->desc.bInterfaceNumber); + ret = device_add (&intf->dev); + if (ret != 0) { + dev_err(&dev->dev, "device_add(%s) --> %d\n", + intf->dev.bus_id, ret); + continue; } + usb_create_sysfs_intf_files (intf); } return 0; diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index 71d881327e88..3f49bf51cff7 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -15,203 +15,6 @@ #include <linux/usb.h> #include "usb.h" -/* endpoint stuff */ -struct ep_object { - struct usb_endpoint_descriptor *desc; - struct usb_device *udev; - struct kobject kobj; -}; -#define to_ep_object(_kobj) \ - container_of(_kobj, struct ep_object, kobj) - -struct ep_attribute { - struct attribute attr; - ssize_t (*show)(struct usb_device *, - struct usb_endpoint_descriptor *, char *); -}; -#define to_ep_attribute(_attr) \ - container_of(_attr, struct ep_attribute, attr) - -#define EP_ATTR(_name) \ -struct ep_attribute ep_##_name = { \ - .attr = {.name = #_name, .owner = THIS_MODULE, \ - .mode = S_IRUGO}, \ - .show = show_ep_##_name} - -#define usb_ep_attr(field, format_string) \ -static ssize_t show_ep_##field(struct usb_device *udev, \ - struct usb_endpoint_descriptor *desc, \ - char *buf) \ -{ \ - return sprintf(buf, format_string, desc->field); \ -} \ -static EP_ATTR(field); - -usb_ep_attr(bLength, "%02x\n") -usb_ep_attr(bEndpointAddress, "%02x\n") -usb_ep_attr(bmAttributes, "%02x\n") -usb_ep_attr(bInterval, "%02x\n") - -static ssize_t show_ep_wMaxPacketSize(struct usb_device *udev, - struct usb_endpoint_descriptor *desc, char *buf) -{ - return sprintf(buf, "%04x\n", - le16_to_cpu(desc->wMaxPacketSize) & 0x07ff); -} -static EP_ATTR(wMaxPacketSize); - -static ssize_t show_ep_type(struct usb_device *udev, - struct usb_endpoint_descriptor *desc, char *buf) -{ - char *type = "unknown"; - - switch (desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) { - case USB_ENDPOINT_XFER_CONTROL: - type = "Control"; - break; - case USB_ENDPOINT_XFER_ISOC: - type = "Isoc"; - break; - case USB_ENDPOINT_XFER_BULK: - type = "Bulk"; - break; - case USB_ENDPOINT_XFER_INT: - type = "Interrupt"; - break; - } - return sprintf(buf, "%s\n", type); -} -static EP_ATTR(type); - -static ssize_t show_ep_interval(struct usb_device *udev, - struct usb_endpoint_descriptor *desc, char *buf) -{ - char unit; - unsigned interval = 0; - unsigned in; - - in = (desc->bEndpointAddress & USB_DIR_IN); - - switch (desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) { - case USB_ENDPOINT_XFER_CONTROL: - if (udev->speed == USB_SPEED_HIGH) /* uframes per NAK */ - interval = desc->bInterval; - break; - case USB_ENDPOINT_XFER_ISOC: - interval = 1 << (desc->bInterval - 1); - break; - case USB_ENDPOINT_XFER_BULK: - if (udev->speed == USB_SPEED_HIGH && !in) /* uframes per NAK */ - interval = desc->bInterval; - break; - case USB_ENDPOINT_XFER_INT: - if (udev->speed == USB_SPEED_HIGH) - interval = 1 << (desc->bInterval - 1); - else - interval = desc->bInterval; - break; - } - interval *= (udev->speed == USB_SPEED_HIGH) ? 125 : 1000; - if (interval % 1000) - unit = 'u'; - else { - unit = 'm'; - interval /= 1000; - } - - return sprintf(buf, "%d%cs\n", interval, unit); -} -static EP_ATTR(interval); - -static ssize_t show_ep_direction(struct usb_device *udev, - struct usb_endpoint_descriptor *desc, char *buf) -{ - char *direction; - - if ((desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == - USB_ENDPOINT_XFER_CONTROL) - direction = "both"; - else if (desc->bEndpointAddress & USB_DIR_IN) - direction = "in"; - else - direction = "out"; - return sprintf(buf, "%s\n", direction); -} -static EP_ATTR(direction); - -static struct attribute *ep_attrs[] = { - &ep_bLength.attr, - &ep_bEndpointAddress.attr, - &ep_bmAttributes.attr, - &ep_bInterval.attr, - &ep_wMaxPacketSize.attr, - &ep_type.attr, - &ep_interval.attr, - &ep_direction.attr, - NULL, -}; - -static void ep_object_release(struct kobject *kobj) -{ - kfree(to_ep_object(kobj)); -} - -static ssize_t ep_object_show(struct kobject *kobj, struct attribute *attr, - char *buf) -{ - struct ep_object *ep_obj = to_ep_object(kobj); - struct ep_attribute *ep_attr = to_ep_attribute(attr); - - return (ep_attr->show)(ep_obj->udev, ep_obj->desc, buf); -} - -static struct sysfs_ops ep_object_sysfs_ops = { - .show = ep_object_show, -}; - -static struct kobj_type ep_object_ktype = { - .release = ep_object_release, - .sysfs_ops = &ep_object_sysfs_ops, - .default_attrs = ep_attrs, -}; - -static void usb_create_ep_files(struct kobject *parent, - struct usb_host_endpoint *endpoint, - struct usb_device *udev) -{ - struct ep_object *ep_obj; - struct kobject *kobj; - - ep_obj = kzalloc(sizeof(struct ep_object), GFP_KERNEL); - if (!ep_obj) - return; - - ep_obj->desc = &endpoint->desc; - ep_obj->udev = udev; - - kobj = &ep_obj->kobj; - kobject_set_name(kobj, "ep_%02x", endpoint->desc.bEndpointAddress); - kobj->parent = parent; - kobj->ktype = &ep_object_ktype; - - /* Don't use kobject_register, because it generates a hotplug event */ - kobject_init(kobj); - if (kobject_add(kobj) == 0) - endpoint->kobj = kobj; - else - kobject_put(kobj); -} - -static void usb_remove_ep_files(struct usb_host_endpoint *endpoint) -{ - - if (endpoint->kobj) { - kobject_del(endpoint->kobj); - kobject_put(endpoint->kobj); - endpoint->kobj = NULL; - } -} - /* Active configuration fields */ #define usb_actconfig_show(field, multiplier, format_string) \ static ssize_t show_##field (struct device *dev, \ @@ -420,7 +223,7 @@ void usb_create_sysfs_dev_files (struct usb_device *udev) if (udev->serial) device_create_file (dev, &dev_attr_serial); device_create_file (dev, &dev_attr_configuration); - usb_create_ep_files(&dev->kobj, &udev->ep0, udev); + usb_create_ep_files(dev, &udev->ep0, udev); } void usb_remove_sysfs_dev_files (struct usb_device *udev) @@ -524,7 +327,7 @@ static inline void usb_create_intf_ep_files(struct usb_interface *intf, iface_desc = intf->cur_altsetting; for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) - usb_create_ep_files(&intf->dev.kobj, &iface_desc->endpoint[i], + usb_create_ep_files(&intf->dev, &iface_desc->endpoint[i], udev); } diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index b7fdc1cd134a..515310751303 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -1207,6 +1207,7 @@ EXPORT_SYMBOL(usb_ifnum_to_if); EXPORT_SYMBOL(usb_altnum_to_altsetting); EXPORT_SYMBOL(usb_reset_device); +EXPORT_SYMBOL(usb_reset_composite_device); EXPORT_SYMBOL(__usb_get_extra_descriptor); diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index 4647e1ebc68d..7a650c763a62 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -4,6 +4,9 @@ extern void usb_create_sysfs_dev_files (struct usb_device *dev); extern void usb_remove_sysfs_dev_files (struct usb_device *dev); extern void usb_create_sysfs_intf_files (struct usb_interface *intf); extern void usb_remove_sysfs_intf_files (struct usb_interface *intf); +extern void usb_create_ep_files(struct device *parent, struct usb_host_endpoint *endpoint, + struct usb_device *udev); +extern void usb_remove_ep_files(struct usb_host_endpoint *endpoint); extern void usb_disable_endpoint (struct usb_device *dev, unsigned int epaddr); extern void usb_disable_interface (struct usb_device *dev, diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c index 9c4422ac9de4..078daa026718 100644 --- a/drivers/usb/gadget/ether.c +++ b/drivers/usb/gadget/ether.c @@ -49,7 +49,7 @@ #include <asm/unaligned.h> #include <linux/usb_ch9.h> -#include <linux/usb_cdc.h> +#include <linux/usb/cdc.h> #include <linux/usb_gadget.h> #include <linux/random.h> @@ -101,9 +101,9 @@ static const char driver_desc [] = DRIVER_DESC; /* CDC and RNDIS support the same host-chosen outgoing packet filters. */ #define DEFAULT_FILTER (USB_CDC_PACKET_TYPE_BROADCAST \ - |USB_CDC_PACKET_TYPE_ALL_MULTICAST \ - |USB_CDC_PACKET_TYPE_PROMISCUOUS \ - |USB_CDC_PACKET_TYPE_DIRECTED) + |USB_CDC_PACKET_TYPE_ALL_MULTICAST \ + |USB_CDC_PACKET_TYPE_PROMISCUOUS \ + |USB_CDC_PACKET_TYPE_DIRECTED) /*-------------------------------------------------------------------------*/ @@ -318,7 +318,7 @@ static inline int rndis_active(struct eth_dev *dev) #define DEFAULT_QLEN 2 /* double buffering by default */ /* peak bulk transfer bits-per-second */ -#define HS_BPS (13 * 512 * 8 * 1000 * 8) +#define HS_BPS (13 * 512 * 8 * 1000 * 8) #define FS_BPS (19 * 64 * 1 * 1000 * 8) #ifdef CONFIG_USB_GADGET_DUALSPEED @@ -466,7 +466,7 @@ eth_config = { }; #ifdef CONFIG_USB_ETH_RNDIS -static struct usb_config_descriptor +static struct usb_config_descriptor rndis_config = { .bLength = sizeof rndis_config, .bDescriptorType = USB_DT_CONFIG, @@ -511,7 +511,7 @@ static const struct usb_interface_descriptor rndis_control_intf = { .bLength = sizeof rndis_control_intf, .bDescriptorType = USB_DT_INTERFACE, - + .bInterfaceNumber = 0, .bNumEndpoints = 1, .bInterfaceClass = USB_CLASS_COMM, @@ -545,20 +545,20 @@ static const struct usb_cdc_union_desc union_desc = { #ifdef CONFIG_USB_ETH_RNDIS static const struct usb_cdc_call_mgmt_descriptor call_mgmt_descriptor = { - .bLength = sizeof call_mgmt_descriptor, - .bDescriptorType = USB_DT_CS_INTERFACE, - .bDescriptorSubType = USB_CDC_CALL_MANAGEMENT_TYPE, + .bLength = sizeof call_mgmt_descriptor, + .bDescriptorType = USB_DT_CS_INTERFACE, + .bDescriptorSubType = USB_CDC_CALL_MANAGEMENT_TYPE, - .bmCapabilities = 0x00, - .bDataInterface = 0x01, + .bmCapabilities = 0x00, + .bDataInterface = 0x01, }; static const struct usb_cdc_acm_descriptor acm_descriptor = { - .bLength = sizeof acm_descriptor, - .bDescriptorType = USB_DT_CS_INTERFACE, - .bDescriptorSubType = USB_CDC_ACM_TYPE, + .bLength = sizeof acm_descriptor, + .bDescriptorType = USB_DT_CS_INTERFACE, + .bDescriptorSubType = USB_CDC_ACM_TYPE, - .bmCapabilities = 0x00, + .bmCapabilities = 0x00, }; #endif @@ -595,7 +595,7 @@ static const struct usb_cdc_ether_desc ether_desc = { * RNDIS requires the status endpoint, since it uses that encapsulation * mechanism for its funky RPC scheme. */ - + #define LOG2_STATUS_INTERVAL_MSEC 5 /* 1 << 5 == 32 msec */ #define STATUS_BYTECOUNT 16 /* 8 byte header + data */ @@ -978,7 +978,7 @@ set_ether_config (struct eth_dev *dev, gfp_t gfp_flags) result = usb_ep_enable (dev->status_ep, dev->status); if (result != 0) { - DEBUG (dev, "enable %s --> %d\n", + DEBUG (dev, "enable %s --> %d\n", dev->status_ep->name, result); goto done; } @@ -1002,15 +1002,15 @@ set_ether_config (struct eth_dev *dev, gfp_t gfp_flags) if (!cdc_active(dev)) { result = usb_ep_enable (dev->in_ep, dev->in); if (result != 0) { - DEBUG(dev, "enable %s --> %d\n", + DEBUG(dev, "enable %s --> %d\n", dev->in_ep->name, result); goto done; } result = usb_ep_enable (dev->out_ep, dev->out); if (result != 0) { - DEBUG (dev, "enable %s --> %d\n", - dev->in_ep->name, result); + DEBUG (dev, "enable %s --> %d\n", + dev->out_ep->name, result); goto done; } } @@ -1144,7 +1144,7 @@ eth_set_config (struct eth_dev *dev, unsigned number, gfp_t gfp_flags) #ifdef CONFIG_USB_GADGET_DUALSPEED case USB_SPEED_HIGH: speed = "high"; break; #endif - default: speed = "?"; break; + default: speed = "?"; break; } dev->config = number; @@ -1206,7 +1206,7 @@ static void issue_start_status (struct eth_dev *dev) struct usb_request *req = dev->stat_req; struct usb_cdc_notification *event; int value; - + DEBUG (dev, "%s, flush old status first\n", __FUNCTION__); /* flush old status @@ -1268,7 +1268,7 @@ static void rndis_command_complete (struct usb_ep *ep, struct usb_request *req) { struct eth_dev *dev = ep->driver_data; int status; - + /* received RNDIS command from USB_CDC_SEND_ENCAPSULATED_COMMAND */ spin_lock(&dev->lock); status = rndis_msg_parser (dev->rndis_config, (u8 *) req->buf); @@ -1472,7 +1472,7 @@ done_set_intf: #endif /* DEV_CONFIG_CDC */ -#ifdef CONFIG_USB_ETH_RNDIS +#ifdef CONFIG_USB_ETH_RNDIS /* RNDIS uses the CDC command encapsulation mechanism to implement * an RPC scheme, with much getting/setting of attributes by OID. */ @@ -1489,7 +1489,7 @@ done_set_intf: req->complete = rndis_command_complete; /* later, rndis_control_ack () sends a notification */ break; - + case USB_CDC_GET_ENCAPSULATED_RESPONSE: if ((USB_DIR_IN|USB_TYPE_CLASS|USB_RECIP_INTERFACE) == ctrl->bRequestType @@ -1641,7 +1641,7 @@ rx_submit (struct eth_dev *dev, struct usb_request *req, gfp_t gfp_flags) DEBUG (dev, "no rx skb\n"); goto enomem; } - + /* Some platforms perform better when IP packets are aligned, * but on at least one, checksumming fails otherwise. Note: * RNDIS headers involve variable numbers of LE32 values. @@ -1720,7 +1720,7 @@ quiesce: case -EOVERFLOW: dev->stats.rx_over_errors++; // FALLTHROUGH - + default: dev->stats.rx_errors++; DEBUG (dev, "rx status %d\n", status); @@ -1915,7 +1915,7 @@ static int eth_start_xmit (struct sk_buff *skb, struct net_device *net) sizeof (struct rndis_packet_msg_type)); if (!skb_rndis) goto drop; - + dev_kfree_skb_any (skb); skb = skb_rndis; rndis_add_hdr (skb); @@ -2001,7 +2001,7 @@ static int rndis_control_ack (struct net_device *net) struct eth_dev *dev = netdev_priv(net); u32 length; struct usb_request *resp = dev->stat_req; - + /* in case RNDIS calls this after disconnect */ if (!dev->status) { DEBUG (dev, "status ENODEV\n"); @@ -2021,16 +2021,16 @@ static int rndis_control_ack (struct net_device *net) resp->length = 8; resp->complete = rndis_control_ack_complete; resp->context = dev; - + *((__le32 *) resp->buf) = __constant_cpu_to_le32 (1); *((__le32 *) resp->buf + 1) = __constant_cpu_to_le32 (0); - + length = usb_ep_queue (dev->status_ep, resp, GFP_ATOMIC); if (length < 0) { resp->status = 0; rndis_control_ack_complete (dev->status_ep, resp); } - + return 0; } @@ -2047,7 +2047,7 @@ static void eth_start (struct eth_dev *dev, gfp_t gfp_flags) /* fill the rx queue */ rx_fill (dev, gfp_flags); - /* and open the tx floodgates */ + /* and open the tx floodgates */ atomic_set (&dev->tx_qlen, 0); netif_wake_queue (dev->net); if (rndis_active(dev)) { @@ -2076,7 +2076,7 @@ static int eth_stop (struct net_device *net) netif_stop_queue (net); DEBUG (dev, "stop stats: rx/tx %ld/%ld, errs %ld/%ld\n", - dev->stats.rx_packets, dev->stats.tx_packets, + dev->stats.rx_packets, dev->stats.tx_packets, dev->stats.rx_errors, dev->stats.tx_errors ); @@ -2095,7 +2095,7 @@ static int eth_stop (struct net_device *net) usb_ep_enable (dev->status_ep, dev->status); } } - + if (rndis_active(dev)) { rndis_set_param_medium (dev->rndis_config, NDIS_MEDIUM_802_3, 0); @@ -2301,7 +2301,7 @@ autoconf_fail: return -ENODEV; } in_ep->driver_data = in_ep; /* claim */ - + out_ep = usb_ep_autoconfig (gadget, &fs_sink_desc); if (!out_ep) goto autoconf_fail; @@ -2374,8 +2374,8 @@ autoconf_fail: #endif } - net = alloc_etherdev (sizeof *dev); - if (!net) + net = alloc_etherdev (sizeof *dev); + if (!net) return status; dev = netdev_priv(net); spin_lock_init (&dev->lock); @@ -2454,7 +2454,7 @@ autoconf_fail: dev->gadget = gadget; set_gadget_data (gadget, dev); gadget->ep0->driver_data = dev; - + /* two kinds of host-initiated state changes: * - iff DATA transfer is active, carrier is "on" * - tx queueing enabled if open *and* carrier is "on" @@ -2462,8 +2462,8 @@ autoconf_fail: netif_stop_queue (dev->net); netif_carrier_off (dev->net); - SET_NETDEV_DEV (dev->net, &gadget->dev); - status = register_netdev (dev->net); + SET_NETDEV_DEV (dev->net, &gadget->dev); + status = register_netdev (dev->net); if (status < 0) goto fail1; @@ -2488,7 +2488,7 @@ autoconf_fail: u32 vendorID = 0; /* FIXME RNDIS vendor id == "vendor NIC code" == ? */ - + dev->rndis_config = rndis_register (rndis_control_ack); if (dev->rndis_config < 0) { fail0: @@ -2496,7 +2496,7 @@ fail0: status = -ENODEV; goto fail; } - + /* these set up a lot of the OIDs that RNDIS needs */ rndis_set_host_mac (dev->rndis_config, dev->host_mac); if (rndis_set_param_dev (dev->rndis_config, dev->net, @@ -2556,7 +2556,7 @@ static struct usb_gadget_driver eth_driver = { .suspend = eth_suspend, .resume = eth_resume, - .driver = { + .driver = { .name = (char *) shortname, .owner = THIS_MODULE, }, diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c index 66b81bbf6bee..5378c1757292 100644 --- a/drivers/usb/gadget/goku_udc.c +++ b/drivers/usb/gadget/goku_udc.c @@ -1850,7 +1850,6 @@ static int goku_probe(struct pci_dev *pdev, const struct pci_device_id *id) unsigned long resource, len; void __iomem *base = NULL; int retval; - char buf [8], *bufp; /* if you want to support more than one controller in a system, * usb_gadget_driver_{register,unregister}() must change. @@ -1913,20 +1912,14 @@ static int goku_probe(struct pci_dev *pdev, const struct pci_device_id *id) pci_set_drvdata(pdev, dev); INFO(dev, "%s\n", driver_desc); INFO(dev, "version: " DRIVER_VERSION " %s\n", dmastr()); -#ifndef __sparc__ - scnprintf(buf, sizeof buf, "%d", pdev->irq); - bufp = buf; -#else - bufp = __irq_itoa(pdev->irq); -#endif - INFO(dev, "irq %s, pci mem %p\n", bufp, base); + INFO(dev, "irq %d, pci mem %p\n", pdev->irq, base); /* init to known state, then setup irqs */ udc_reset(dev); udc_reinit (dev); if (request_irq(pdev->irq, goku_irq, SA_SHIRQ/*|SA_SAMPLE_RANDOM*/, driver_name, dev) != 0) { - DBG(dev, "request interrupt %s failed\n", bufp); + DBG(dev, "request interrupt %d failed\n", pdev->irq); retval = -EBUSY; goto done; } diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index 0eb010a3f5bc..aef0722b8f17 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -528,7 +528,7 @@ struct kiocb_priv { struct usb_request *req; struct ep_data *epdata; void *buf; - char __user *ubuf; + char __user *ubuf; /* NULL for writes */ unsigned actual; }; @@ -566,7 +566,6 @@ static ssize_t ep_aio_read_retry(struct kiocb *iocb) status = priv->actual; kfree(priv->buf); kfree(priv); - aio_put_req(iocb); return status; } @@ -580,8 +579,8 @@ static void ep_aio_complete(struct usb_ep *ep, struct usb_request *req) spin_lock(&epdata->dev->lock); priv->req = NULL; priv->epdata = NULL; - if (NULL == iocb->ki_retry - || unlikely(0 == req->actual) + if (priv->ubuf == NULL + || unlikely(req->actual == 0) || unlikely(kiocbIsCancelled(iocb))) { kfree(req->buf); kfree(priv); @@ -618,7 +617,7 @@ ep_aio_rwtail( char __user *ubuf ) { - struct kiocb_priv *priv = (void *) &iocb->private; + struct kiocb_priv *priv; struct usb_request *req; ssize_t value; @@ -670,7 +669,7 @@ fail: kfree(priv); put_ep(epdata); } else - value = -EIOCBQUEUED; + value = (ubuf ? -EIOCBRETRY : -EIOCBQUEUED); return value; } @@ -1039,7 +1038,7 @@ scan: /* ep0 can't deliver events when STATE_SETUP */ for (i = 0; i < n; i++) { if (dev->event [i].type == GADGETFS_SETUP) { - len = n = i + 1; + len = i + 1; len *= sizeof (struct usb_gadgetfs_event); n = 0; break; @@ -1587,13 +1586,13 @@ gadgetfs_create_file (struct super_block *sb, char const *name, static int activate_ep_files (struct dev_data *dev) { struct usb_ep *ep; + struct ep_data *data; gadget_for_each_ep (ep, dev->gadget) { - struct ep_data *data; data = kzalloc(sizeof(*data), GFP_KERNEL); if (!data) - goto enomem; + goto enomem0; data->state = STATE_EP_DISABLED; init_MUTEX (&data->lock); init_waitqueue_head (&data->wait); @@ -1608,21 +1607,23 @@ static int activate_ep_files (struct dev_data *dev) data->req = usb_ep_alloc_request (ep, GFP_KERNEL); if (!data->req) - goto enomem; + goto enomem1; data->inode = gadgetfs_create_file (dev->sb, data->name, data, &ep_config_operations, &data->dentry); - if (!data->inode) { - usb_ep_free_request(ep, data->req); - kfree (data); - goto enomem; - } + if (!data->inode) + goto enomem2; list_add_tail (&data->epfiles, &dev->epfiles); } return 0; -enomem: +enomem2: + usb_ep_free_request (ep, data->req); +enomem1: + put_dev (dev); + kfree (data); +enomem0: DBG (dev, "%s enomem\n", __FUNCTION__); destroy_ep_files (dev); return -ENOMEM; @@ -1793,7 +1794,7 @@ static struct usb_gadget_driver probe_driver = { * * After initialization, the device stays active for as long as that * $CHIP file is open. Events may then be read from that descriptor, - * such configuration notifications. More complex drivers will handle + * such as configuration notifications. More complex drivers will handle * some control requests in user space. */ @@ -2033,12 +2034,10 @@ gadgetfs_fill_super (struct super_block *sb, void *opts, int silent) NULL, &simple_dir_operations, S_IFDIR | S_IRUGO | S_IXUGO); if (!inode) - return -ENOMEM; + goto enomem0; inode->i_op = &simple_dir_inode_operations; - if (!(d = d_alloc_root (inode))) { - iput (inode); - return -ENOMEM; - } + if (!(d = d_alloc_root (inode))) + goto enomem1; sb->s_root = d; /* the ep0 file is named after the controller we expect; @@ -2046,21 +2045,28 @@ gadgetfs_fill_super (struct super_block *sb, void *opts, int silent) */ dev = dev_new (); if (!dev) - return -ENOMEM; + goto enomem2; dev->sb = sb; - if (!(inode = gadgetfs_create_file (sb, CHIP, + if (!gadgetfs_create_file (sb, CHIP, dev, &dev_init_operations, - &dev->dentry))) { - put_dev(dev); - return -ENOMEM; - } + &dev->dentry)) + goto enomem3; /* other endpoint files are available after hardware setup, * from binding to a controller. */ the_device = dev; return 0; + +enomem3: + put_dev (dev); +enomem2: + dput (d); +enomem1: + iput (inode); +enomem0: + return -ENOMEM; } /* "mount -t gadgetfs path /dev/gadget" ends up here */ diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c index 0b9293493957..1facdea56a8a 100644 --- a/drivers/usb/gadget/net2280.c +++ b/drivers/usb/gadget/net2280.c @@ -2822,7 +2822,6 @@ static int net2280_probe (struct pci_dev *pdev, const struct pci_device_id *id) unsigned long resource, len; void __iomem *base = NULL; int retval, i; - char buf [8], *bufp; /* if you want to support more than one controller in a system, * usb_gadget_driver_{register,unregister}() must change. @@ -2896,15 +2895,10 @@ static int net2280_probe (struct pci_dev *pdev, const struct pci_device_id *id) retval = -ENODEV; goto done; } -#ifndef __sparc__ - scnprintf (buf, sizeof buf, "%d", pdev->irq); - bufp = buf; -#else - bufp = __irq_itoa(pdev->irq); -#endif + if (request_irq (pdev->irq, net2280_irq, SA_SHIRQ, driver_name, dev) != 0) { - ERROR (dev, "request interrupt %s failed\n", bufp); + ERROR (dev, "request interrupt %d failed\n", pdev->irq); retval = -EBUSY; goto done; } @@ -2953,8 +2947,8 @@ static int net2280_probe (struct pci_dev *pdev, const struct pci_device_id *id) /* done */ INFO (dev, "%s\n", driver_desc); - INFO (dev, "irq %s, pci mem %p, chip rev %04x\n", - bufp, base, dev->chiprev); + INFO (dev, "irq %d, pci mem %p, chip rev %04x\n", + pdev->irq, base, dev->chiprev); INFO (dev, "version: " DRIVER_VERSION "; dma %s\n", use_dma ? (use_dma_chaining ? "chaining" : "enabled") @@ -2972,6 +2966,22 @@ done: return retval; } +/* make sure the board is quiescent; otherwise it will continue + * generating IRQs across the upcoming reboot. + */ + +static void net2280_shutdown (struct pci_dev *pdev) +{ + struct net2280 *dev = pci_get_drvdata (pdev); + + /* disable IRQs */ + writel (0, &dev->regs->pciirqenb0); + writel (0, &dev->regs->pciirqenb1); + + /* disable the pullup so the host will think we're gone */ + writel (0, &dev->usb->usbctl); +} + /*-------------------------------------------------------------------------*/ @@ -3001,6 +3011,7 @@ static struct pci_driver net2280_pci_driver = { .probe = net2280_probe, .remove = net2280_remove, + .shutdown = net2280_shutdown, /* FIXME add power management support */ }; diff --git a/drivers/usb/gadget/pxa2xx_udc.c b/drivers/usb/gadget/pxa2xx_udc.c index 680f7fc5b171..269ce7f4ad66 100644 --- a/drivers/usb/gadget/pxa2xx_udc.c +++ b/drivers/usb/gadget/pxa2xx_udc.c @@ -53,12 +53,14 @@ #include <asm/mach-types.h> #include <asm/unaligned.h> #include <asm/hardware.h> +#ifdef CONFIG_ARCH_PXA #include <asm/arch/pxa-regs.h> +#endif #include <linux/usb_ch9.h> #include <linux/usb_gadget.h> -#include <asm/arch/udc.h> +#include <asm/arch/hardware/intel_udc.h> /* @@ -545,6 +547,7 @@ write_ep0_fifo (struct pxa2xx_ep *ep, struct pxa2xx_request *req) count = req->req.length; done (ep, req, 0); ep0_idle(ep->dev); +#ifndef CONFIG_ARCH_IXP4XX #if 1 /* This seems to get rid of lost status irqs in some cases: * host responds quickly, or next request involves config @@ -565,6 +568,7 @@ write_ep0_fifo (struct pxa2xx_ep *ep, struct pxa2xx_request *req) } while (count); } #endif +#endif } else if (ep->dev->req_pending) ep0start(ep->dev, 0, "IN"); return is_short; @@ -1585,7 +1589,7 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver) int retval; if (!driver - || driver->speed != USB_SPEED_FULL + || driver->speed < USB_SPEED_FULL || !driver->bind || !driver->unbind || !driver->disconnect @@ -2427,6 +2431,7 @@ static struct pxa2xx_udc memory = { #define PXA210_B1 0x00000123 #define PXA210_B0 0x00000122 #define IXP425_A0 0x000001c1 +#define IXP465_AD 0x00000200 /* * probe - binds to the platform device @@ -2463,6 +2468,8 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev) break; #elif defined(CONFIG_ARCH_IXP4XX) case IXP425_A0: + case IXP465_AD: + dev->has_cfr = 1; out_dma = 0; break; #endif @@ -2575,10 +2582,12 @@ static int __exit pxa2xx_udc_remove(struct platform_device *pdev) free_irq(IRQ_USB, dev); dev->got_irq = 0; } +#ifdef CONFIG_ARCH_LUBBOCK if (machine_is_lubbock()) { free_irq(LUBBOCK_USB_DISC_IRQ, dev); free_irq(LUBBOCK_USB_IRQ, dev); } +#endif platform_set_drvdata(pdev, NULL); the_controller = NULL; return 0; diff --git a/drivers/usb/gadget/rndis.c b/drivers/usb/gadget/rndis.c index 6d6eaad73968..3ff6db7828a0 100644 --- a/drivers/usb/gadget/rndis.c +++ b/drivers/usb/gadget/rndis.c @@ -1,23 +1,23 @@ -/* +/* * RNDIS MSG parser - * + * * Version: $Id: rndis.c,v 1.19 2004/03/25 21:33:46 robert Exp $ - * + * * Authors: Benedikt Spranger, Pengutronix - * Robert Schwebel, Pengutronix - * + * Robert Schwebel, Pengutronix + * * 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. - * + * version 2, as published by the Free Software Foundation. + * * This software was originally developed in conformance with * Microsoft's Remote NDIS Specification License Agreement. - * + * * 03/12/2004 Kai-Uwe Bloem <linux-development@auerswald.de> * Fixed message length bug in init_response - * + * * 03/25/2004 Kai-Uwe Bloem <linux-development@auerswald.de> - * Fixed rndis_rm_hdr length bug. + * Fixed rndis_rm_hdr length bug. * * Copyright (C) 2004 by David Brownell * updates to merge with Linux 2.6, better match RNDIS spec @@ -82,7 +82,7 @@ static rndis_resp_t *rndis_add_response (int configNr, u32 length); /* supported OIDs */ -static const u32 oid_supported_list [] = +static const u32 oid_supported_list [] = { /* the general stuff */ OID_GEN_SUPPORTED_LIST, @@ -103,7 +103,7 @@ static const u32 oid_supported_list [] = #if 0 OID_GEN_RNDIS_CONFIG_PARAMETER, #endif - + /* the statistical stuff */ OID_GEN_XMIT_OK, OID_GEN_RCV_OK, @@ -127,14 +127,14 @@ static const u32 oid_supported_list [] = OID_GEN_TRANSMIT_QUEUE_LENGTH, #endif /* RNDIS_OPTIONAL_STATS */ - /* mandatory 802.3 */ + /* mandatory 802.3 */ /* the general stuff */ OID_802_3_PERMANENT_ADDRESS, OID_802_3_CURRENT_ADDRESS, OID_802_3_MULTICAST_LIST, OID_802_3_MAC_OPTIONS, OID_802_3_MAXIMUM_LIST_SIZE, - + /* the statistical stuff */ OID_802_3_RCV_ERROR_ALIGNMENT, OID_802_3_XMIT_ONE_COLLISION, @@ -172,8 +172,8 @@ static int gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, rndis_resp_t *r) { - int retval = -ENOTSUPP; - u32 length = 4; /* usually */ + int retval = -ENOTSUPP; + u32 length = 4; /* usually */ __le32 *outbuf; int i, count; rndis_query_cmplt_type *resp; @@ -211,27 +211,27 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, outbuf[i] = cpu_to_le32 (oid_supported_list[i]); retval = 0; break; - + /* mandatory */ case OID_GEN_HARDWARE_STATUS: DEBUG("%s: OID_GEN_HARDWARE_STATUS\n", __FUNCTION__); - /* Bogus question! + /* Bogus question! * Hardware must be ready to receive high level protocols. - * BTW: + * BTW: * reddite ergo quae sunt Caesaris Caesari * et quae sunt Dei Deo! */ *outbuf = __constant_cpu_to_le32 (0); retval = 0; break; - + /* mandatory */ case OID_GEN_MEDIA_SUPPORTED: DEBUG("%s: OID_GEN_MEDIA_SUPPORTED\n", __FUNCTION__); *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr].medium); retval = 0; break; - + /* mandatory */ case OID_GEN_MEDIA_IN_USE: DEBUG("%s: OID_GEN_MEDIA_IN_USE\n", __FUNCTION__); @@ -239,7 +239,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr].medium); retval = 0; break; - + /* mandatory */ case OID_GEN_MAXIMUM_FRAME_SIZE: DEBUG("%s: OID_GEN_MAXIMUM_FRAME_SIZE\n", __FUNCTION__); @@ -249,7 +249,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, retval = 0; } break; - + /* mandatory */ case OID_GEN_LINK_SPEED: if (rndis_debug > 1) @@ -272,7 +272,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, retval = 0; } break; - + /* mandatory */ case OID_GEN_RECEIVE_BLOCK_SIZE: DEBUG("%s: OID_GEN_RECEIVE_BLOCK_SIZE\n", __FUNCTION__); @@ -282,7 +282,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, retval = 0; } break; - + /* mandatory */ case OID_GEN_VENDOR_ID: DEBUG("%s: OID_GEN_VENDOR_ID\n", __FUNCTION__); @@ -290,7 +290,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, rndis_per_dev_params [configNr].vendorID); retval = 0; break; - + /* mandatory */ case OID_GEN_VENDOR_DESCRIPTION: DEBUG("%s: OID_GEN_VENDOR_DESCRIPTION\n", __FUNCTION__); @@ -356,7 +356,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, DEBUG("%s: OID_GEN_XMIT_OK\n", __FUNCTION__); if (rndis_per_dev_params [configNr].stats) { *outbuf = cpu_to_le32 ( - rndis_per_dev_params [configNr].stats->tx_packets - + rndis_per_dev_params [configNr].stats->tx_packets - rndis_per_dev_params [configNr].stats->tx_errors - rndis_per_dev_params [configNr].stats->tx_dropped); retval = 0; @@ -369,13 +369,13 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, DEBUG("%s: OID_GEN_RCV_OK\n", __FUNCTION__); if (rndis_per_dev_params [configNr].stats) { *outbuf = cpu_to_le32 ( - rndis_per_dev_params [configNr].stats->rx_packets - + rndis_per_dev_params [configNr].stats->rx_packets - rndis_per_dev_params [configNr].stats->rx_errors - rndis_per_dev_params [configNr].stats->rx_dropped); retval = 0; } break; - + /* mandatory */ case OID_GEN_XMIT_ERROR: if (rndis_debug > 1) @@ -386,7 +386,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, retval = 0; } break; - + /* mandatory */ case OID_GEN_RCV_ERROR: if (rndis_debug > 1) @@ -397,7 +397,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, retval = 0; } break; - + /* mandatory */ case OID_GEN_RCV_NO_BUFFER: DEBUG("%s: OID_GEN_RCV_NO_BUFFER\n", __FUNCTION__); @@ -411,7 +411,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, #ifdef RNDIS_OPTIONAL_STATS case OID_GEN_DIRECTED_BYTES_XMIT: DEBUG("%s: OID_GEN_DIRECTED_BYTES_XMIT\n", __FUNCTION__); - /* + /* * Aunt Tilly's size of shoes * minus antarctica count of penguins * divided by weight of Alpha Centauri @@ -419,7 +419,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, if (rndis_per_dev_params [configNr].stats) { *outbuf = cpu_to_le32 ( (rndis_per_dev_params [configNr] - .stats->tx_packets - + .stats->tx_packets - rndis_per_dev_params [configNr] .stats->tx_errors - rndis_per_dev_params [configNr] @@ -428,14 +428,14 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, retval = 0; } break; - + case OID_GEN_DIRECTED_FRAMES_XMIT: DEBUG("%s: OID_GEN_DIRECTED_FRAMES_XMIT\n", __FUNCTION__); /* dito */ if (rndis_per_dev_params [configNr].stats) { *outbuf = cpu_to_le32 ( (rndis_per_dev_params [configNr] - .stats->tx_packets - + .stats->tx_packets - rndis_per_dev_params [configNr] .stats->tx_errors - rndis_per_dev_params [configNr] @@ -444,7 +444,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, retval = 0; } break; - + case OID_GEN_MULTICAST_BYTES_XMIT: DEBUG("%s: OID_GEN_MULTICAST_BYTES_XMIT\n", __FUNCTION__); if (rndis_per_dev_params [configNr].stats) { @@ -453,7 +453,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, retval = 0; } break; - + case OID_GEN_MULTICAST_FRAMES_XMIT: DEBUG("%s: OID_GEN_MULTICAST_FRAMES_XMIT\n", __FUNCTION__); if (rndis_per_dev_params [configNr].stats) { @@ -462,7 +462,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, retval = 0; } break; - + case OID_GEN_BROADCAST_BYTES_XMIT: DEBUG("%s: OID_GEN_BROADCAST_BYTES_XMIT\n", __FUNCTION__); if (rndis_per_dev_params [configNr].stats) { @@ -471,7 +471,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, retval = 0; } break; - + case OID_GEN_BROADCAST_FRAMES_XMIT: DEBUG("%s: OID_GEN_BROADCAST_FRAMES_XMIT\n", __FUNCTION__); if (rndis_per_dev_params [configNr].stats) { @@ -480,19 +480,19 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, retval = 0; } break; - + case OID_GEN_DIRECTED_BYTES_RCV: DEBUG("%s: OID_GEN_DIRECTED_BYTES_RCV\n", __FUNCTION__); *outbuf = __constant_cpu_to_le32 (0); retval = 0; break; - + case OID_GEN_DIRECTED_FRAMES_RCV: DEBUG("%s: OID_GEN_DIRECTED_FRAMES_RCV\n", __FUNCTION__); *outbuf = __constant_cpu_to_le32 (0); retval = 0; break; - + case OID_GEN_MULTICAST_BYTES_RCV: DEBUG("%s: OID_GEN_MULTICAST_BYTES_RCV\n", __FUNCTION__); if (rndis_per_dev_params [configNr].stats) { @@ -501,7 +501,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, retval = 0; } break; - + case OID_GEN_MULTICAST_FRAMES_RCV: DEBUG("%s: OID_GEN_MULTICAST_FRAMES_RCV\n", __FUNCTION__); if (rndis_per_dev_params [configNr].stats) { @@ -510,7 +510,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, retval = 0; } break; - + case OID_GEN_BROADCAST_BYTES_RCV: DEBUG("%s: OID_GEN_BROADCAST_BYTES_RCV\n", __FUNCTION__); if (rndis_per_dev_params [configNr].stats) { @@ -519,7 +519,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, retval = 0; } break; - + case OID_GEN_BROADCAST_FRAMES_RCV: DEBUG("%s: OID_GEN_BROADCAST_FRAMES_RCV\n", __FUNCTION__); if (rndis_per_dev_params [configNr].stats) { @@ -528,7 +528,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, retval = 0; } break; - + case OID_GEN_RCV_CRC_ERROR: DEBUG("%s: OID_GEN_RCV_CRC_ERROR\n", __FUNCTION__); if (rndis_per_dev_params [configNr].stats) { @@ -537,7 +537,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, retval = 0; } break; - + case OID_GEN_TRANSMIT_QUEUE_LENGTH: DEBUG("%s: OID_GEN_TRANSMIT_QUEUE_LENGTH\n", __FUNCTION__); *outbuf = __constant_cpu_to_le32 (0); @@ -558,7 +558,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, retval = 0; } break; - + /* mandatory */ case OID_802_3_CURRENT_ADDRESS: DEBUG("%s: OID_802_3_CURRENT_ADDRESS\n", __FUNCTION__); @@ -570,7 +570,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, retval = 0; } break; - + /* mandatory */ case OID_802_3_MULTICAST_LIST: DEBUG("%s: OID_802_3_MULTICAST_LIST\n", __FUNCTION__); @@ -578,7 +578,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, *outbuf = __constant_cpu_to_le32 (0xE0000000); retval = 0; break; - + /* mandatory */ case OID_802_3_MAXIMUM_LIST_SIZE: DEBUG("%s: OID_802_3_MAXIMUM_LIST_SIZE\n", __FUNCTION__); @@ -586,7 +586,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, *outbuf = __constant_cpu_to_le32 (1); retval = 0; break; - + case OID_802_3_MAC_OPTIONS: DEBUG("%s: OID_802_3_MAC_OPTIONS\n", __FUNCTION__); break; @@ -602,56 +602,56 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, retval = 0; } break; - + /* mandatory */ case OID_802_3_XMIT_ONE_COLLISION: DEBUG("%s: OID_802_3_XMIT_ONE_COLLISION\n", __FUNCTION__); *outbuf = __constant_cpu_to_le32 (0); retval = 0; break; - + /* mandatory */ case OID_802_3_XMIT_MORE_COLLISIONS: DEBUG("%s: OID_802_3_XMIT_MORE_COLLISIONS\n", __FUNCTION__); *outbuf = __constant_cpu_to_le32 (0); retval = 0; break; - + #ifdef RNDIS_OPTIONAL_STATS case OID_802_3_XMIT_DEFERRED: DEBUG("%s: OID_802_3_XMIT_DEFERRED\n", __FUNCTION__); /* TODO */ break; - + case OID_802_3_XMIT_MAX_COLLISIONS: DEBUG("%s: OID_802_3_XMIT_MAX_COLLISIONS\n", __FUNCTION__); /* TODO */ break; - + case OID_802_3_RCV_OVERRUN: DEBUG("%s: OID_802_3_RCV_OVERRUN\n", __FUNCTION__); /* TODO */ break; - + case OID_802_3_XMIT_UNDERRUN: DEBUG("%s: OID_802_3_XMIT_UNDERRUN\n", __FUNCTION__); /* TODO */ break; - + case OID_802_3_XMIT_HEARTBEAT_FAILURE: DEBUG("%s: OID_802_3_XMIT_HEARTBEAT_FAILURE\n", __FUNCTION__); /* TODO */ break; - + case OID_802_3_XMIT_TIMES_CRS_LOST: DEBUG("%s: OID_802_3_XMIT_TIMES_CRS_LOST\n", __FUNCTION__); /* TODO */ break; - + case OID_802_3_XMIT_LATE_COLLISIONS: DEBUG("%s: OID_802_3_XMIT_LATE_COLLISIONS\n", __FUNCTION__); /* TODO */ - break; + break; #endif /* RNDIS_OPTIONAL_STATS */ #ifdef RNDIS_PM @@ -676,23 +676,23 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, #endif default: - printk (KERN_WARNING "%s: query unknown OID 0x%08X\n", + printk (KERN_WARNING "%s: query unknown OID 0x%08X\n", __FUNCTION__, OID); } if (retval < 0) length = 0; - + resp->InformationBufferLength = cpu_to_le32 (length); r->length = length + sizeof *resp; resp->MessageLength = cpu_to_le32 (r->length); return retval; } -static int gen_ndis_set_resp (u8 configNr, u32 OID, u8 *buf, u32 buf_len, - rndis_resp_t *r) +static int gen_ndis_set_resp (u8 configNr, u32 OID, u8 *buf, u32 buf_len, + rndis_resp_t *r) { rndis_set_cmplt_type *resp; - int i, retval = -ENOTSUPP; + int i, retval = -ENOTSUPP; struct rndis_params *params; if (!r) @@ -745,9 +745,9 @@ update_linkstate: netif_stop_queue (params->dev); } break; - + case OID_802_3_MULTICAST_LIST: - /* I think we can ignore this */ + /* I think we can ignore this */ DEBUG("%s: OID_802_3_MULTICAST_LIST\n", __FUNCTION__); retval = 0; break; @@ -796,29 +796,29 @@ update_linkstate: #endif /* RNDIS_PM */ default: - printk (KERN_WARNING "%s: set unknown OID 0x%08X, size %d\n", + printk (KERN_WARNING "%s: set unknown OID 0x%08X, size %d\n", __FUNCTION__, OID, buf_len); } - + return retval; } -/* - * Response Functions +/* + * Response Functions */ static int rndis_init_response (int configNr, rndis_init_msg_type *buf) { - rndis_init_cmplt_type *resp; + rndis_init_cmplt_type *resp; rndis_resp_t *r; - + if (!rndis_per_dev_params [configNr].dev) return -ENOTSUPP; - + r = rndis_add_response (configNr, sizeof (rndis_init_cmplt_type)); if (!r) return -ENOMEM; resp = (rndis_init_cmplt_type *) r->buf; - + resp->MessageType = __constant_cpu_to_le32 ( REMOTE_NDIS_INITIALIZE_CMPLT); resp->MessageLength = __constant_cpu_to_le32 (52); @@ -837,11 +837,11 @@ static int rndis_init_response (int configNr, rndis_init_msg_type *buf) resp->PacketAlignmentFactor = __constant_cpu_to_le32 (0); resp->AFListOffset = __constant_cpu_to_le32 (0); resp->AFListSize = __constant_cpu_to_le32 (0); - + if (rndis_per_dev_params [configNr].ack) - rndis_per_dev_params [configNr].ack ( - rndis_per_dev_params [configNr].dev); - + rndis_per_dev_params [configNr].ack ( + rndis_per_dev_params [configNr].dev); + return 0; } @@ -849,10 +849,10 @@ static int rndis_query_response (int configNr, rndis_query_msg_type *buf) { rndis_query_cmplt_type *resp; rndis_resp_t *r; - + // DEBUG("%s: OID = %08X\n", __FUNCTION__, cpu_to_le32(buf->OID)); if (!rndis_per_dev_params [configNr].dev) return -ENOTSUPP; - + /* * we need more memory: * gen_ndis_query_resp expects enough space for @@ -864,10 +864,10 @@ static int rndis_query_response (int configNr, rndis_query_msg_type *buf) if (!r) return -ENOMEM; resp = (rndis_query_cmplt_type *) r->buf; - + resp->MessageType = __constant_cpu_to_le32 (REMOTE_NDIS_QUERY_CMPLT); resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ - + if (gen_ndis_query_resp (configNr, le32_to_cpu (buf->OID), le32_to_cpu(buf->InformationBufferOffset) + 8 + (u8 *) buf, @@ -881,10 +881,10 @@ static int rndis_query_response (int configNr, rndis_query_msg_type *buf) resp->InformationBufferOffset = __constant_cpu_to_le32 (0); } else resp->Status = __constant_cpu_to_le32 (RNDIS_STATUS_SUCCESS); - + if (rndis_per_dev_params [configNr].ack) - rndis_per_dev_params [configNr].ack ( - rndis_per_dev_params [configNr].dev); + rndis_per_dev_params [configNr].ack ( + rndis_per_dev_params [configNr].dev); return 0; } @@ -893,7 +893,7 @@ static int rndis_set_response (int configNr, rndis_set_msg_type *buf) u32 BufLength, BufOffset; rndis_set_cmplt_type *resp; rndis_resp_t *r; - + r = rndis_add_response (configNr, sizeof (rndis_set_cmplt_type)); if (!r) return -ENOMEM; @@ -906,26 +906,27 @@ static int rndis_set_response (int configNr, rndis_set_msg_type *buf) DEBUG("%s: Length: %d\n", __FUNCTION__, BufLength); DEBUG("%s: Offset: %d\n", __FUNCTION__, BufOffset); DEBUG("%s: InfoBuffer: ", __FUNCTION__); - + for (i = 0; i < BufLength; i++) { DEBUG ("%02x ", *(((u8 *) buf) + i + 8 + BufOffset)); } - + DEBUG ("\n"); #endif - + resp->MessageType = __constant_cpu_to_le32 (REMOTE_NDIS_SET_CMPLT); resp->MessageLength = __constant_cpu_to_le32 (16); resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ - if (gen_ndis_set_resp (configNr, le32_to_cpu (buf->OID), - ((u8 *) buf) + 8 + BufOffset, BufLength, r)) - resp->Status = __constant_cpu_to_le32 (RNDIS_STATUS_NOT_SUPPORTED); - else resp->Status = __constant_cpu_to_le32 (RNDIS_STATUS_SUCCESS); - + if (gen_ndis_set_resp (configNr, le32_to_cpu (buf->OID), + ((u8 *) buf) + 8 + BufOffset, BufLength, r)) + resp->Status = __constant_cpu_to_le32 (RNDIS_STATUS_NOT_SUPPORTED); + else + resp->Status = __constant_cpu_to_le32 (RNDIS_STATUS_SUCCESS); + if (rndis_per_dev_params [configNr].ack) - rndis_per_dev_params [configNr].ack ( - rndis_per_dev_params [configNr].dev); - + rndis_per_dev_params [configNr].ack ( + rndis_per_dev_params [configNr].dev); + return 0; } @@ -933,27 +934,27 @@ static int rndis_reset_response (int configNr, rndis_reset_msg_type *buf) { rndis_reset_cmplt_type *resp; rndis_resp_t *r; - + r = rndis_add_response (configNr, sizeof (rndis_reset_cmplt_type)); if (!r) return -ENOMEM; resp = (rndis_reset_cmplt_type *) r->buf; - + resp->MessageType = __constant_cpu_to_le32 (REMOTE_NDIS_RESET_CMPLT); resp->MessageLength = __constant_cpu_to_le32 (16); resp->Status = __constant_cpu_to_le32 (RNDIS_STATUS_SUCCESS); /* resent information */ resp->AddressingReset = __constant_cpu_to_le32 (1); - + if (rndis_per_dev_params [configNr].ack) - rndis_per_dev_params [configNr].ack ( - rndis_per_dev_params [configNr].dev); + rndis_per_dev_params [configNr].ack ( + rndis_per_dev_params [configNr].dev); return 0; } static int rndis_keepalive_response (int configNr, - rndis_keepalive_msg_type *buf) + rndis_keepalive_msg_type *buf) { rndis_keepalive_cmplt_type *resp; rndis_resp_t *r; @@ -964,48 +965,48 @@ static int rndis_keepalive_response (int configNr, if (!r) return -ENOMEM; resp = (rndis_keepalive_cmplt_type *) r->buf; - + resp->MessageType = __constant_cpu_to_le32 ( REMOTE_NDIS_KEEPALIVE_CMPLT); resp->MessageLength = __constant_cpu_to_le32 (16); resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ resp->Status = __constant_cpu_to_le32 (RNDIS_STATUS_SUCCESS); - + if (rndis_per_dev_params [configNr].ack) - rndis_per_dev_params [configNr].ack ( - rndis_per_dev_params [configNr].dev); - + rndis_per_dev_params [configNr].ack ( + rndis_per_dev_params [configNr].dev); + return 0; } -/* - * Device to Host Comunication +/* + * Device to Host Comunication */ static int rndis_indicate_status_msg (int configNr, u32 status) { - rndis_indicate_status_msg_type *resp; + rndis_indicate_status_msg_type *resp; rndis_resp_t *r; - + if (rndis_per_dev_params [configNr].state == RNDIS_UNINITIALIZED) - return -ENOTSUPP; - - r = rndis_add_response (configNr, + return -ENOTSUPP; + + r = rndis_add_response (configNr, sizeof (rndis_indicate_status_msg_type)); if (!r) return -ENOMEM; resp = (rndis_indicate_status_msg_type *) r->buf; - + resp->MessageType = __constant_cpu_to_le32 ( REMOTE_NDIS_INDICATE_STATUS_MSG); resp->MessageLength = __constant_cpu_to_le32 (20); resp->Status = cpu_to_le32 (status); resp->StatusBufferLength = __constant_cpu_to_le32 (0); resp->StatusBufferOffset = __constant_cpu_to_le32 (0); - - if (rndis_per_dev_params [configNr].ack) - rndis_per_dev_params [configNr].ack ( - rndis_per_dev_params [configNr].dev); + + if (rndis_per_dev_params [configNr].ack) + rndis_per_dev_params [configNr].ack ( + rndis_per_dev_params [configNr].dev); return 0; } @@ -1013,7 +1014,7 @@ int rndis_signal_connect (int configNr) { rndis_per_dev_params [configNr].media_state = NDIS_MEDIA_STATE_CONNECTED; - return rndis_indicate_status_msg (configNr, + return rndis_indicate_status_msg (configNr, RNDIS_STATUS_MEDIA_CONNECT); } @@ -1045,26 +1046,26 @@ void rndis_set_host_mac (int configNr, const u8 *addr) rndis_per_dev_params [configNr].host_mac = addr; } -/* - * Message Parser +/* + * Message Parser */ int rndis_msg_parser (u8 configNr, u8 *buf) { u32 MsgType, MsgLength; __le32 *tmp; struct rndis_params *params; - + if (!buf) return -ENOMEM; - - tmp = (__le32 *) buf; + + tmp = (__le32 *) buf; MsgType = le32_to_cpup(tmp++); MsgLength = le32_to_cpup(tmp++); - + if (configNr >= RNDIS_MAX_CONFIGS) return -ENOTSUPP; params = &rndis_per_dev_params [configNr]; - + /* NOTE: RNDIS is *EXTREMELY* chatty ... Windows constantly polls for * rx/tx statistics and link status, in addition to KEEPALIVE traffic * and normal HC level polling to see if there's any IN traffic. @@ -1073,12 +1074,12 @@ int rndis_msg_parser (u8 configNr, u8 *buf) /* For USB: responses may take up to 10 seconds */ switch (MsgType) { case REMOTE_NDIS_INITIALIZE_MSG: - DEBUG("%s: REMOTE_NDIS_INITIALIZE_MSG\n", + DEBUG("%s: REMOTE_NDIS_INITIALIZE_MSG\n", __FUNCTION__ ); params->state = RNDIS_INITIALIZED; return rndis_init_response (configNr, - (rndis_init_msg_type *) buf); - + (rndis_init_msg_type *) buf); + case REMOTE_NDIS_HALT_MSG: DEBUG("%s: REMOTE_NDIS_HALT_MSG\n", __FUNCTION__ ); @@ -1088,37 +1089,37 @@ int rndis_msg_parser (u8 configNr, u8 *buf) netif_stop_queue (params->dev); } return 0; - + case REMOTE_NDIS_QUERY_MSG: - return rndis_query_response (configNr, - (rndis_query_msg_type *) buf); - + return rndis_query_response (configNr, + (rndis_query_msg_type *) buf); + case REMOTE_NDIS_SET_MSG: - return rndis_set_response (configNr, - (rndis_set_msg_type *) buf); - + return rndis_set_response (configNr, + (rndis_set_msg_type *) buf); + case REMOTE_NDIS_RESET_MSG: - DEBUG("%s: REMOTE_NDIS_RESET_MSG\n", + DEBUG("%s: REMOTE_NDIS_RESET_MSG\n", __FUNCTION__ ); return rndis_reset_response (configNr, - (rndis_reset_msg_type *) buf); + (rndis_reset_msg_type *) buf); case REMOTE_NDIS_KEEPALIVE_MSG: /* For USB: host does this every 5 seconds */ if (rndis_debug > 1) - DEBUG("%s: REMOTE_NDIS_KEEPALIVE_MSG\n", + DEBUG("%s: REMOTE_NDIS_KEEPALIVE_MSG\n", __FUNCTION__ ); return rndis_keepalive_response (configNr, - (rndis_keepalive_msg_type *) + (rndis_keepalive_msg_type *) buf); - - default: + + default: /* At least Windows XP emits some undefined RNDIS messages. * In one case those messages seemed to relate to the host * suspending itself. */ printk (KERN_WARNING - "%s: unknown RNDIS message 0x%08X len %d\n", + "%s: unknown RNDIS message 0x%08X len %d\n", __FUNCTION__ , MsgType, MsgLength); { unsigned i; @@ -1142,14 +1143,14 @@ int rndis_msg_parser (u8 configNr, u8 *buf) } break; } - + return -ENOTSUPP; } int rndis_register (int (* rndis_control_ack) (struct net_device *)) { u8 i; - + for (i = 0; i < RNDIS_MAX_CONFIGS; i++) { if (!rndis_per_dev_params [i].used) { rndis_per_dev_params [i].used = 1; @@ -1159,32 +1160,32 @@ int rndis_register (int (* rndis_control_ack) (struct net_device *)) } } DEBUG("failed\n"); - + return -1; } void rndis_deregister (int configNr) { DEBUG("%s: \n", __FUNCTION__ ); - + if (configNr >= RNDIS_MAX_CONFIGS) return; rndis_per_dev_params [configNr].used = 0; - + return; } -int rndis_set_param_dev (u8 configNr, struct net_device *dev, +int rndis_set_param_dev (u8 configNr, struct net_device *dev, struct net_device_stats *stats, u16 *cdc_filter) { DEBUG("%s:\n", __FUNCTION__ ); if (!dev || !stats) return -1; if (configNr >= RNDIS_MAX_CONFIGS) return -1; - + rndis_per_dev_params [configNr].dev = dev; rndis_per_dev_params [configNr].stats = stats; rndis_per_dev_params [configNr].filter = cdc_filter; - + return 0; } @@ -1193,10 +1194,10 @@ int rndis_set_param_vendor (u8 configNr, u32 vendorID, const char *vendorDescr) DEBUG("%s:\n", __FUNCTION__ ); if (!vendorDescr) return -1; if (configNr >= RNDIS_MAX_CONFIGS) return -1; - + rndis_per_dev_params [configNr].vendorID = vendorID; rndis_per_dev_params [configNr].vendorDescr = vendorDescr; - + return 0; } @@ -1204,10 +1205,10 @@ int rndis_set_param_medium (u8 configNr, u32 medium, u32 speed) { DEBUG("%s: %u %u\n", __FUNCTION__, medium, speed); if (configNr >= RNDIS_MAX_CONFIGS) return -1; - + rndis_per_dev_params [configNr].medium = medium; rndis_per_dev_params [configNr].speed = speed; - + return 0; } @@ -1229,9 +1230,9 @@ void rndis_free_response (int configNr, u8 *buf) { rndis_resp_t *r; struct list_head *act, *tmp; - - list_for_each_safe (act, tmp, - &(rndis_per_dev_params [configNr].resp_queue)) + + list_for_each_safe (act, tmp, + &(rndis_per_dev_params [configNr].resp_queue)) { r = list_entry (act, rndis_resp_t, list); if (r && r->buf == buf) { @@ -1244,12 +1245,12 @@ void rndis_free_response (int configNr, u8 *buf) u8 *rndis_get_next_response (int configNr, u32 *length) { rndis_resp_t *r; - struct list_head *act, *tmp; - + struct list_head *act, *tmp; + if (!length) return NULL; - - list_for_each_safe (act, tmp, - &(rndis_per_dev_params [configNr].resp_queue)) + + list_for_each_safe (act, tmp, + &(rndis_per_dev_params [configNr].resp_queue)) { r = list_entry (act, rndis_resp_t, list); if (!r->send) { @@ -1258,24 +1259,24 @@ u8 *rndis_get_next_response (int configNr, u32 *length) return r->buf; } } - + return NULL; } static rndis_resp_t *rndis_add_response (int configNr, u32 length) { rndis_resp_t *r; - + /* NOTE: this gets copied into ether.c USB_BUFSIZ bytes ... */ r = kmalloc (sizeof (rndis_resp_t) + length, GFP_ATOMIC); if (!r) return NULL; - + r->buf = (u8 *) (r + 1); r->length = length; r->send = 0; - - list_add_tail (&r->list, - &(rndis_per_dev_params [configNr].resp_queue)); + + list_add_tail (&r->list, + &(rndis_per_dev_params [configNr].resp_queue)); return r; } @@ -1301,14 +1302,14 @@ int rndis_rm_hdr(struct sk_buff *skb) #ifdef CONFIG_USB_GADGET_DEBUG_FILES -static int rndis_proc_read (char *page, char **start, off_t off, int count, int *eof, - void *data) +static int rndis_proc_read (char *page, char **start, off_t off, int count, int *eof, + void *data) { char *out = page; int len; rndis_params *param = (rndis_params *) data; - - out += snprintf (out, count, + + out += snprintf (out, count, "Config Nr. %d\n" "used : %s\n" "state : %s\n" @@ -1316,8 +1317,8 @@ static int rndis_proc_read (char *page, char **start, off_t off, int count, int "speed : %d\n" "cable : %s\n" "vendor ID : 0x%08X\n" - "vendor : %s\n", - param->confignr, (param->used) ? "y" : "n", + "vendor : %s\n", + param->confignr, (param->used) ? "y" : "n", ({ char *s = "?"; switch (param->state) { case RNDIS_UNINITIALIZED: @@ -1327,32 +1328,32 @@ static int rndis_proc_read (char *page, char **start, off_t off, int count, int case RNDIS_DATA_INITIALIZED: s = "RNDIS_DATA_INITIALIZED"; break; }; s; }), - param->medium, - (param->media_state) ? 0 : param->speed*100, + param->medium, + (param->media_state) ? 0 : param->speed*100, (param->media_state) ? "disconnected" : "connected", - param->vendorID, param->vendorDescr); - + param->vendorID, param->vendorDescr); + len = out - page; len -= off; - + if (len < count) { *eof = 1; if (len <= 0) return 0; } else len = count; - + *start = page + off; return len; } -static int rndis_proc_write (struct file *file, const char __user *buffer, - unsigned long count, void *data) +static int rndis_proc_write (struct file *file, const char __user *buffer, + unsigned long count, void *data) { rndis_params *p = data; u32 speed = 0; int i, fl_speed = 0; - + for (i = 0; i < count; i++) { char c; if (get_user(c, buffer)) @@ -1379,15 +1380,15 @@ static int rndis_proc_write (struct file *file, const char __user *buffer, case 'd': rndis_signal_disconnect(p->confignr); break; - default: + default: if (fl_speed) p->speed = speed; else DEBUG ("%c is not valid\n", c); break; } - + buffer++; } - + return count; } @@ -1408,7 +1409,7 @@ int __init rndis_init (void) sprintf (name, NAME_TEMPLATE, i); if (!(rndis_connect_state [i] - = create_proc_entry (name, 0660, NULL))) + = create_proc_entry (name, 0660, NULL))) { DEBUG ("%s :remove entries", __FUNCTION__); while (i) { @@ -1432,7 +1433,7 @@ int __init rndis_init (void) = NDIS_MEDIA_STATE_DISCONNECTED; INIT_LIST_HEAD (&(rndis_per_dev_params [i].resp_queue)); } - + return 0; } @@ -1441,7 +1442,7 @@ void rndis_exit (void) #ifdef CONFIG_USB_GADGET_DEBUG_FILES u8 i; char name [20]; - + for (i = 0; i < RNDIS_MAX_CONFIGS; i++) { sprintf (name, NAME_TEMPLATE, i); remove_proc_entry (name, NULL); diff --git a/drivers/usb/gadget/rndis.h b/drivers/usb/gadget/rndis.h index 95b4c6326100..2956608be751 100644 --- a/drivers/usb/gadget/rndis.h +++ b/drivers/usb/gadget/rndis.h @@ -1,15 +1,15 @@ -/* +/* * RNDIS Definitions for Remote NDIS - * + * * Version: $Id: rndis.h,v 1.15 2004/03/25 21:33:46 robert Exp $ - * + * * Authors: Benedikt Spranger, Pengutronix - * Robert Schwebel, Pengutronix - * - * This program is free software; you can redistribute it and/or + * Robert Schwebel, Pengutronix + * + * 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. - * + * version 2, as published by the Free Software Foundation. + * * This software was originally developed in conformance with * Microsoft's Remote NDIS Specification License Agreement. */ @@ -34,7 +34,7 @@ #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 + * RNDIS_STATUS_Xxx -> NDIS_STATUS_Xxx */ /* Message Set for Connectionless (802.3) Devices */ @@ -69,7 +69,7 @@ #define OID_PNP_ENABLE_WAKE_UP 0xFD010106 -typedef struct rndis_init_msg_type +typedef struct rndis_init_msg_type { __le32 MessageType; __le32 MessageLength; @@ -234,12 +234,12 @@ typedef struct rndis_params const u8 *host_mac; u16 *filter; - struct net_device *dev; + struct net_device *dev; struct net_device_stats *stats; u32 vendorID; const char *vendorDescr; - int (*ack) (struct net_device *); + int (*ack) (struct net_device *); struct list_head resp_queue; } rndis_params; @@ -250,7 +250,7 @@ void rndis_deregister (int configNr); int rndis_set_param_dev (u8 configNr, struct net_device *dev, struct net_device_stats *stats, u16 *cdc_filter); -int rndis_set_param_vendor (u8 configNr, u32 vendorID, +int rndis_set_param_vendor (u8 configNr, u32 vendorID, const char *vendorDescr); int rndis_set_param_medium (u8 configNr, u32 medium, u32 speed); void rndis_add_hdr (struct sk_buff *skb); diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c index b992546c394d..9d6e1d295528 100644 --- a/drivers/usb/gadget/serial.c +++ b/drivers/usb/gadget/serial.c @@ -45,88 +45,16 @@ #include <asm/uaccess.h> #include <linux/usb_ch9.h> -#include <linux/usb_cdc.h> +#include <linux/usb/cdc.h> #include <linux/usb_gadget.h> #include "gadget_chips.h" -/* Wait Cond */ - -#define __wait_cond_interruptible(wq, condition, lock, flags, ret) \ -do { \ - wait_queue_t __wait; \ - init_waitqueue_entry(&__wait, current); \ - \ - add_wait_queue(&wq, &__wait); \ - for (;;) { \ - set_current_state(TASK_INTERRUPTIBLE); \ - if (condition) \ - break; \ - if (!signal_pending(current)) { \ - spin_unlock_irqrestore(lock, flags); \ - schedule(); \ - spin_lock_irqsave(lock, flags); \ - continue; \ - } \ - ret = -ERESTARTSYS; \ - break; \ - } \ - current->state = TASK_RUNNING; \ - remove_wait_queue(&wq, &__wait); \ -} while (0) - -#define wait_cond_interruptible(wq, condition, lock, flags) \ -({ \ - int __ret = 0; \ - if (!(condition)) \ - __wait_cond_interruptible(wq, condition, lock, flags, \ - __ret); \ - __ret; \ -}) - -#define __wait_cond_interruptible_timeout(wq, condition, lock, flags, \ - timeout, ret) \ -do { \ - signed long __timeout = timeout; \ - wait_queue_t __wait; \ - init_waitqueue_entry(&__wait, current); \ - \ - add_wait_queue(&wq, &__wait); \ - for (;;) { \ - set_current_state(TASK_INTERRUPTIBLE); \ - if (__timeout == 0) \ - break; \ - if (condition) \ - break; \ - if (!signal_pending(current)) { \ - spin_unlock_irqrestore(lock, flags); \ - __timeout = schedule_timeout(__timeout); \ - spin_lock_irqsave(lock, flags); \ - continue; \ - } \ - ret = -ERESTARTSYS; \ - break; \ - } \ - current->state = TASK_RUNNING; \ - remove_wait_queue(&wq, &__wait); \ -} while (0) - -#define wait_cond_interruptible_timeout(wq, condition, lock, flags, \ - timeout) \ -({ \ - int __ret = 0; \ - if (!(condition)) \ - __wait_cond_interruptible_timeout(wq, condition, lock, \ - flags, timeout, __ret); \ - __ret; \ -}) - - /* Defines */ -#define GS_VERSION_STR "v2.0" -#define GS_VERSION_NUM 0x0200 +#define GS_VERSION_STR "v2.2" +#define GS_VERSION_NUM 0x0202 #define GS_LONG_NAME "Gadget Serial" #define GS_SHORT_NAME "g_serial" @@ -843,9 +771,19 @@ exit_unlock_dev: /* * gs_close */ + +#define GS_WRITE_FINISHED_EVENT_SAFELY(p) \ +({ \ + int cond; \ + \ + spin_lock_irq(&(p)->port_lock); \ + cond = !(p)->port_dev || !gs_buf_data_avail((p)->port_write_buf); \ + spin_unlock_irq(&(p)->port_lock); \ + cond; \ +}) + static void gs_close(struct tty_struct *tty, struct file *file) { - unsigned long flags; struct gs_port *port = tty->driver_data; struct semaphore *sem; @@ -859,7 +797,7 @@ static void gs_close(struct tty_struct *tty, struct file *file) sem = &gs_open_close_sem[port->port_num]; down(sem); - spin_lock_irqsave(&port->port_lock, flags); + spin_lock_irq(&port->port_lock); if (port->port_open_count == 0) { printk(KERN_ERR @@ -887,12 +825,11 @@ static void gs_close(struct tty_struct *tty, struct file *file) /* wait for write buffer to drain, or */ /* at most GS_CLOSE_TIMEOUT seconds */ if (gs_buf_data_avail(port->port_write_buf) > 0) { - spin_unlock_irqrestore(&port->port_lock, flags); - wait_cond_interruptible_timeout(port->port_write_wait, - port->port_dev == NULL - || gs_buf_data_avail(port->port_write_buf) == 0, - &port->port_lock, flags, GS_CLOSE_TIMEOUT * HZ); - spin_lock_irqsave(&port->port_lock, flags); + spin_unlock_irq(&port->port_lock); + wait_event_interruptible_timeout(port->port_write_wait, + GS_WRITE_FINISHED_EVENT_SAFELY(port), + GS_CLOSE_TIMEOUT * HZ); + spin_lock_irq(&port->port_lock); } /* free disconnected port on final close */ @@ -912,7 +849,7 @@ static void gs_close(struct tty_struct *tty, struct file *file) port->port_num, tty, file); exit: - spin_unlock_irqrestore(&port->port_lock, flags); + spin_unlock_irq(&port->port_lock); up(sem); } diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index e27b79a3c05f..c060eb9b3b19 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -47,7 +47,25 @@ config USB_EHCI_ROOT_HUB_TT controller is needed. It's safe to say "y" even if your controller doesn't support this feature. - This supports the EHCI implementation from TransDimension Inc. + This supports the EHCI implementation that's originally + from ARC, and has since changed hands a few times. + +config USB_EHCI_TT_NEWSCHED + bool "Improved Transaction Translator scheduling (EXPERIMENTAL)" + depends on USB_EHCI_HCD && EXPERIMENTAL + ---help--- + This changes the periodic scheduling code to fill more of the low + and full speed bandwidth available from the Transaction Translator + (TT) in USB 2.0 hubs. Without this, only one transfer will be + issued in each microframe, significantly reducing the number of + periodic low/fullspeed transfers possible. + + If you have multiple periodic low/fullspeed devices connected to a + highspeed USB hub which is connected to a highspeed USB Host + Controller, and some of those devices will not work correctly + (possibly due to "ENOSPC" or "-28" errors), say Y. + + If unsure, say N. config USB_ISP116X_HCD tristate "ISP116X HCD support" diff --git a/drivers/usb/host/ehci-au1xxx.c b/drivers/usb/host/ehci-au1xxx.c index 63eadeec1324..9b4697add313 100644 --- a/drivers/usb/host/ehci-au1xxx.c +++ b/drivers/usb/host/ehci-au1xxx.c @@ -16,10 +16,6 @@ #include <linux/platform_device.h> #include <asm/mach-au1x00/au1000.h> -#ifndef CONFIG_SOC_AU1200 -#error "this Alchemy chip doesn't have EHCI" -#else /* Au1200 */ - #define USB_HOST_CONFIG (USB_MSR_BASE + USB_MSR_MCFG) #define USB_MCFG_PFEN (1<<31) #define USB_MCFG_RDCOMB (1<<30) @@ -272,6 +268,8 @@ static int ehci_hcd_au1xxx_drv_resume(struct device *dev) return 0; } */ +MODULE_ALIAS("au1xxx-ehci"); +/* FIXME use "struct platform_driver" */ static struct device_driver ehci_hcd_au1xxx_driver = { .name = "au1xxx-ehci", .bus = &platform_bus_type, @@ -280,18 +278,3 @@ static struct device_driver ehci_hcd_au1xxx_driver = { /*.suspend = ehci_hcd_au1xxx_drv_suspend, */ /*.resume = ehci_hcd_au1xxx_drv_resume, */ }; - -static int __init ehci_hcd_au1xxx_init(void) -{ - pr_debug(DRIVER_INFO " (Au1xxx)\n"); - - return driver_register(&ehci_hcd_au1xxx_driver); -} - -static void __exit ehci_hcd_au1xxx_cleanup(void) -{ - driver_unregister(&ehci_hcd_au1xxx_driver); -} - -module_init(ehci_hcd_au1xxx_init); -module_exit(ehci_hcd_au1xxx_cleanup); diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index f985f121a245..a49a689bf423 100644 --- a/drivers/usb/host/ehci-fsl.c +++ b/drivers/usb/host/ehci-fsl.c @@ -324,43 +324,12 @@ static int ehci_fsl_drv_remove(struct platform_device *pdev) return 0; } -static struct platform_driver ehci_fsl_dr_driver = { - .probe = ehci_fsl_drv_probe, - .remove = ehci_fsl_drv_remove, - .driver = { - .name = "fsl-usb2-dr", - }, -}; +MODULE_ALIAS("fsl-ehci"); -static struct platform_driver ehci_fsl_mph_driver = { +static struct platform_driver ehci_fsl_driver = { .probe = ehci_fsl_drv_probe, .remove = ehci_fsl_drv_remove, .driver = { - .name = "fsl-usb2-mph", + .name = "fsl-ehci", }, }; - -static int __init ehci_fsl_init(void) -{ - int retval; - - pr_debug("%s: block sizes: qh %Zd qtd %Zd itd %Zd sitd %Zd\n", - hcd_name, - sizeof(struct ehci_qh), sizeof(struct ehci_qtd), - sizeof(struct ehci_itd), sizeof(struct ehci_sitd)); - - retval = platform_driver_register(&ehci_fsl_dr_driver); - if (retval) - return retval; - - return platform_driver_register(&ehci_fsl_mph_driver); -} - -static void __exit ehci_fsl_cleanup(void) -{ - platform_driver_unregister(&ehci_fsl_mph_driver); - platform_driver_unregister(&ehci_fsl_dr_driver); -} - -module_init(ehci_fsl_init); -module_exit(ehci_fsl_cleanup); diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 79f2d8b9bfb6..9b37e508ada3 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -889,19 +889,59 @@ MODULE_LICENSE ("GPL"); #ifdef CONFIG_PCI #include "ehci-pci.c" -#define EHCI_BUS_GLUED +#define PCI_DRIVER ehci_pci_driver #endif #ifdef CONFIG_PPC_83xx #include "ehci-fsl.c" -#define EHCI_BUS_GLUED +#define PLATFORM_DRIVER ehci_fsl_driver #endif -#ifdef CONFIG_SOC_AU1X00 +#ifdef CONFIG_SOC_AU1200 #include "ehci-au1xxx.c" -#define EHCI_BUS_GLUED +#define PLATFORM_DRIVER ehci_hcd_au1xxx_driver #endif -#ifndef EHCI_BUS_GLUED +#if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) #error "missing bus glue for ehci-hcd" #endif + +static int __init ehci_hcd_init(void) +{ + int retval = 0; + + pr_debug("%s: block sizes: qh %Zd qtd %Zd itd %Zd sitd %Zd\n", + hcd_name, + sizeof(struct ehci_qh), sizeof(struct ehci_qtd), + sizeof(struct ehci_itd), sizeof(struct ehci_sitd)); + +#ifdef PLATFORM_DRIVER + retval = platform_driver_register(&PLATFORM_DRIVER); + if (retval < 0) + return retval; +#endif + +#ifdef PCI_DRIVER + retval = pci_register_driver(&PCI_DRIVER); + if (retval < 0) { +#ifdef PLATFORM_DRIVER + platform_driver_unregister(&PLATFORM_DRIVER); +#endif + } +#endif + + return retval; +} +module_init(ehci_hcd_init); + +static void __exit ehci_hcd_cleanup(void) +{ +#ifdef PLATFORM_DRIVER + platform_driver_unregister(&PLATFORM_DRIVER); +#endif +#ifdef PCI_DRIVER + pci_unregister_driver(&PCI_DRIVER); +#endif +} +module_exit(ehci_hcd_cleanup); + diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index a1bd2bea6deb..cadffacd945b 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -76,6 +76,30 @@ static int ehci_pci_setup(struct usb_hcd *hcd) dbg_hcs_params(ehci, "reset"); dbg_hcc_params(ehci, "reset"); + /* ehci_init() causes memory for DMA transfers to be + * allocated. Thus, any vendor-specific workarounds based on + * limiting the type of memory used for DMA transfers must + * happen before ehci_init() is called. */ + switch (pdev->vendor) { + case PCI_VENDOR_ID_NVIDIA: + /* NVidia reports that certain chips don't handle + * QH, ITD, or SITD addresses above 2GB. (But TD, + * data buffer, and periodic schedule are normal.) + */ + switch (pdev->device) { + case 0x003c: /* MCP04 */ + case 0x005b: /* CK804 */ + case 0x00d8: /* CK8 */ + case 0x00e8: /* CK8S */ + if (pci_set_consistent_dma_mask(pdev, + DMA_31BIT_MASK) < 0) + ehci_warn(ehci, "can't enable NVidia " + "workaround for >2GB RAM\n"); + break; + } + break; + } + /* cache this readonly data; minimize chip reads */ ehci->hcs_params = readl(&ehci->caps->hcs_params); @@ -88,8 +112,6 @@ static int ehci_pci_setup(struct usb_hcd *hcd) if (retval) return retval; - /* NOTE: only the parts below this line are PCI-specific */ - switch (pdev->vendor) { case PCI_VENDOR_ID_TDI: if (pdev->device == PCI_DEVICE_ID_TDI_EHCI) { @@ -107,19 +129,6 @@ static int ehci_pci_setup(struct usb_hcd *hcd) break; case PCI_VENDOR_ID_NVIDIA: switch (pdev->device) { - /* NVidia reports that certain chips don't handle - * QH, ITD, or SITD addresses above 2GB. (But TD, - * data buffer, and periodic schedule are normal.) - */ - case 0x003c: /* MCP04 */ - case 0x005b: /* CK804 */ - case 0x00d8: /* CK8 */ - case 0x00e8: /* CK8S */ - if (pci_set_consistent_dma_mask(pdev, - DMA_31BIT_MASK) < 0) - ehci_warn(ehci, "can't enable NVidia " - "workaround for >2GB RAM\n"); - break; /* Some NForce2 chips have problems with selective suspend; * fixed in newer silicon. */ @@ -370,23 +379,3 @@ static struct pci_driver ehci_pci_driver = { .resume = usb_hcd_pci_resume, #endif }; - -static int __init ehci_hcd_pci_init(void) -{ - if (usb_disabled()) - return -ENODEV; - - pr_debug("%s: block sizes: qh %Zd qtd %Zd itd %Zd sitd %Zd\n", - hcd_name, - sizeof(struct ehci_qh), sizeof(struct ehci_qtd), - sizeof(struct ehci_itd), sizeof(struct ehci_sitd)); - - return pci_register_driver(&ehci_pci_driver); -} -module_init(ehci_hcd_pci_init); - -static void __exit ehci_hcd_pci_cleanup(void) -{ - pci_unregister_driver(&ehci_pci_driver); -} -module_exit(ehci_hcd_pci_cleanup); diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index 5871944e6145..4859900bd135 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -163,6 +163,190 @@ static int same_tt (struct usb_device *dev1, struct usb_device *dev2) return 1; } +#ifdef CONFIG_USB_EHCI_TT_NEWSCHED + +/* Which uframe does the low/fullspeed transfer start in? + * + * The parameter is the mask of ssplits in "H-frame" terms + * and this returns the transfer start uframe in "B-frame" terms, + * which allows both to match, e.g. a ssplit in "H-frame" uframe 0 + * will cause a transfer in "B-frame" uframe 0. "B-frames" lag + * "H-frames" by 1 uframe. See the EHCI spec sec 4.5 and figure 4.7. + */ +static inline unsigned char tt_start_uframe(struct ehci_hcd *ehci, __le32 mask) +{ + unsigned char smask = QH_SMASK & le32_to_cpu(mask); + if (!smask) { + ehci_err(ehci, "invalid empty smask!\n"); + /* uframe 7 can't have bw so this will indicate failure */ + return 7; + } + return ffs(smask) - 1; +} + +static const unsigned char +max_tt_usecs[] = { 125, 125, 125, 125, 125, 125, 30, 0 }; + +/* carryover low/fullspeed bandwidth that crosses uframe boundries */ +static inline void carryover_tt_bandwidth(unsigned short tt_usecs[8]) +{ + int i; + for (i=0; i<7; i++) { + if (max_tt_usecs[i] < tt_usecs[i]) { + tt_usecs[i+1] += tt_usecs[i] - max_tt_usecs[i]; + tt_usecs[i] = max_tt_usecs[i]; + } + } +} + +/* How many of the tt's periodic downstream 1000 usecs are allocated? + * + * While this measures the bandwidth in terms of usecs/uframe, + * the low/fullspeed bus has no notion of uframes, so any particular + * low/fullspeed transfer can "carry over" from one uframe to the next, + * since the TT just performs downstream transfers in sequence. + * + * For example two seperate 100 usec transfers can start in the same uframe, + * and the second one would "carry over" 75 usecs into the next uframe. + */ +static void +periodic_tt_usecs ( + struct ehci_hcd *ehci, + struct usb_device *dev, + unsigned frame, + unsigned short tt_usecs[8] +) +{ + __le32 *hw_p = &ehci->periodic [frame]; + union ehci_shadow *q = &ehci->pshadow [frame]; + unsigned char uf; + + memset(tt_usecs, 0, 16); + + while (q->ptr) { + switch (Q_NEXT_TYPE(*hw_p)) { + case Q_TYPE_ITD: + hw_p = &q->itd->hw_next; + q = &q->itd->itd_next; + continue; + case Q_TYPE_QH: + if (same_tt(dev, q->qh->dev)) { + uf = tt_start_uframe(ehci, q->qh->hw_info2); + tt_usecs[uf] += q->qh->tt_usecs; + } + hw_p = &q->qh->hw_next; + q = &q->qh->qh_next; + continue; + case Q_TYPE_SITD: + if (same_tt(dev, q->sitd->urb->dev)) { + uf = tt_start_uframe(ehci, q->sitd->hw_uframe); + tt_usecs[uf] += q->sitd->stream->tt_usecs; + } + hw_p = &q->sitd->hw_next; + q = &q->sitd->sitd_next; + continue; + // case Q_TYPE_FSTN: + default: + ehci_dbg(ehci, + "ignoring periodic frame %d FSTN\n", frame); + hw_p = &q->fstn->hw_next; + q = &q->fstn->fstn_next; + } + } + + carryover_tt_bandwidth(tt_usecs); + + if (max_tt_usecs[7] < tt_usecs[7]) + ehci_err(ehci, "frame %d tt sched overrun: %d usecs\n", + frame, tt_usecs[7] - max_tt_usecs[7]); +} + +/* + * Return true if the device's tt's downstream bus is available for a + * periodic transfer of the specified length (usecs), starting at the + * specified frame/uframe. Note that (as summarized in section 11.19 + * of the usb 2.0 spec) TTs can buffer multiple transactions for each + * uframe. + * + * The uframe parameter is when the fullspeed/lowspeed transfer + * should be executed in "B-frame" terms, which is the same as the + * highspeed ssplit's uframe (which is in "H-frame" terms). For example + * a ssplit in "H-frame" 0 causes a transfer in "B-frame" 0. + * See the EHCI spec sec 4.5 and fig 4.7. + * + * This checks if the full/lowspeed bus, at the specified starting uframe, + * has the specified bandwidth available, according to rules listed + * in USB 2.0 spec section 11.18.1 fig 11-60. + * + * This does not check if the transfer would exceed the max ssplit + * limit of 16, specified in USB 2.0 spec section 11.18.4 requirement #4, + * since proper scheduling limits ssplits to less than 16 per uframe. + */ +static int tt_available ( + struct ehci_hcd *ehci, + unsigned period, + struct usb_device *dev, + unsigned frame, + unsigned uframe, + u16 usecs +) +{ + if ((period == 0) || (uframe >= 7)) /* error */ + return 0; + + for (; frame < ehci->periodic_size; frame += period) { + unsigned short tt_usecs[8]; + + periodic_tt_usecs (ehci, dev, frame, tt_usecs); + + ehci_vdbg(ehci, "tt frame %d check %d usecs start uframe %d in" + " schedule %d/%d/%d/%d/%d/%d/%d/%d\n", + frame, usecs, uframe, + tt_usecs[0], tt_usecs[1], tt_usecs[2], tt_usecs[3], + tt_usecs[4], tt_usecs[5], tt_usecs[6], tt_usecs[7]); + + if (max_tt_usecs[uframe] <= tt_usecs[uframe]) { + ehci_vdbg(ehci, "frame %d uframe %d fully scheduled\n", + frame, uframe); + return 0; + } + + /* special case for isoc transfers larger than 125us: + * the first and each subsequent fully used uframe + * must be empty, so as to not illegally delay + * already scheduled transactions + */ + if (125 < usecs) { + int ufs = (usecs / 125) - 1; + int i; + for (i = uframe; i < (uframe + ufs) && i < 8; i++) + if (0 < tt_usecs[i]) { + ehci_vdbg(ehci, + "multi-uframe xfer can't fit " + "in frame %d uframe %d\n", + frame, i); + return 0; + } + } + + tt_usecs[uframe] += usecs; + + carryover_tt_bandwidth(tt_usecs); + + /* fail if the carryover pushed bw past the last uframe's limit */ + if (max_tt_usecs[7] < tt_usecs[7]) { + ehci_vdbg(ehci, + "tt unavailable usecs %d frame %d uframe %d\n", + usecs, frame, uframe); + return 0; + } + } + + return 1; +} + +#else + /* return true iff the device's transaction translator is available * for a periodic transfer starting at the specified frame, using * all the uframes in the mask. @@ -237,6 +421,8 @@ static int tt_no_collision ( return 1; } +#endif /* CONFIG_USB_EHCI_TT_NEWSCHED */ + /*-------------------------------------------------------------------------*/ static int enable_periodic (struct ehci_hcd *ehci) @@ -481,7 +667,7 @@ static int check_intr_schedule ( ) { int retval = -ENOSPC; - u8 mask; + u8 mask = 0; if (qh->c_usecs && uframe >= 6) /* FSTN territory? */ goto done; @@ -494,6 +680,24 @@ static int check_intr_schedule ( goto done; } +#ifdef CONFIG_USB_EHCI_TT_NEWSCHED + if (tt_available (ehci, qh->period, qh->dev, frame, uframe, + qh->tt_usecs)) { + unsigned i; + + /* TODO : this may need FSTN for SSPLIT in uframe 5. */ + for (i=uframe+1; i<8 && i<uframe+4; i++) + if (!check_period (ehci, frame, i, + qh->period, qh->c_usecs)) + goto done; + else + mask |= 1 << i; + + retval = 0; + + *c_maskp = cpu_to_le32 (mask << 8); + } +#else /* Make sure this tt's buffer is also available for CSPLITs. * We pessimize a bit; probably the typical full speed case * doesn't need the second CSPLIT. @@ -514,6 +718,7 @@ static int check_intr_schedule ( goto done; retval = 0; } +#endif done: return retval; } @@ -1047,12 +1252,21 @@ sitd_slot_ok ( frame = uframe >> 3; uf = uframe & 7; +#ifdef CONFIG_USB_EHCI_TT_NEWSCHED + /* The tt's fullspeed bus bandwidth must be available. + * tt_available scheduling guarantees 10+% for control/bulk. + */ + if (!tt_available (ehci, period_uframes << 3, + stream->udev, frame, uf, stream->tt_usecs)) + return 0; +#else /* tt must be idle for start(s), any gap, and csplit. * assume scheduling slop leaves 10+% for control/bulk. */ if (!tt_no_collision (ehci, period_uframes << 3, stream->udev, frame, mask)) return 0; +#endif /* check starts (OUT uses more than one) */ max_used = 100 - stream->usecs; diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c index e99210b7909b..14386254c870 100644 --- a/drivers/usb/host/isp116x-hcd.c +++ b/drivers/usb/host/isp116x-hcd.c @@ -63,7 +63,7 @@ #include <linux/init.h> #include <linux/list.h> #include <linux/usb.h> -#include <linux/usb_isp116x.h> +#include <linux/usb/isp116x.h> #include <linux/platform_device.h> #include <asm/io.h> @@ -781,7 +781,7 @@ static int isp116x_urb_enqueue(struct usb_hcd *hcd, if (ep->branch < PERIODIC_SIZE) break; - ret = ep->branch = balance(isp116x, ep->period, ep->load); + ep->branch = ret = balance(isp116x, ep->period, ep->load); if (ret < 0) goto fail; ret = 0; diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c index a92343052751..6b4bc3f2bd86 100644 --- a/drivers/usb/host/sl811-hcd.c +++ b/drivers/usb/host/sl811-hcd.c @@ -46,7 +46,7 @@ #include <linux/list.h> #include <linux/interrupt.h> #include <linux/usb.h> -#include <linux/usb_sl811.h> +#include <linux/usb/sl811.h> #include <linux/platform_device.h> #include <asm/io.h> diff --git a/drivers/usb/host/sl811_cs.c b/drivers/usb/host/sl811_cs.c index 302aa1ec312f..54f554e0f0ad 100644 --- a/drivers/usb/host/sl811_cs.c +++ b/drivers/usb/host/sl811_cs.c @@ -27,7 +27,7 @@ #include <pcmcia/cisreg.h> #include <pcmcia/ds.h> -#include <linux/usb_sl811.h> +#include <linux/usb/sl811.h> MODULE_AUTHOR("Botond Botyanszki"); MODULE_DESCRIPTION("REX-CFU1U PCMCIA driver for 2.6"); diff --git a/drivers/usb/host/uhci-debug.c b/drivers/usb/host/uhci-debug.c index e1239319655c..6637a0e49978 100644 --- a/drivers/usb/host/uhci-debug.c +++ b/drivers/usb/host/uhci-debug.c @@ -98,6 +98,7 @@ static int uhci_show_urbp(struct urb_priv *urbp, char *buf, int len, int space) char *out = buf; struct uhci_td *td; int i, nactive, ninactive; + char *ptype; if (len < 200) return 0; @@ -110,13 +111,15 @@ static int uhci_show_urbp(struct urb_priv *urbp, char *buf, int len, int space) (usb_pipein(urbp->urb->pipe) ? "IN" : "OUT")); switch (usb_pipetype(urbp->urb->pipe)) { - case PIPE_ISOCHRONOUS: out += sprintf(out, "ISO"); break; - case PIPE_INTERRUPT: out += sprintf(out, "INT"); break; - case PIPE_BULK: out += sprintf(out, "BLK"); break; - case PIPE_CONTROL: out += sprintf(out, "CTL"); break; + case PIPE_ISOCHRONOUS: ptype = "ISO"; break; + case PIPE_INTERRUPT: ptype = "INT"; break; + case PIPE_BULK: ptype = "BLK"; break; + default: + case PIPE_CONTROL: ptype = "CTL"; break; } - out += sprintf(out, "%s", (urbp->fsbr ? " FSBR" : "")); + out += sprintf(out, "%s%s", ptype, (urbp->fsbr ? " FSBR" : "")); + out += sprintf(out, " Actlen=%d", urbp->urb->actual_length); if (urbp->urb->status != -EINPROGRESS) out += sprintf(out, " Status=%d", urbp->urb->status); @@ -124,7 +127,8 @@ static int uhci_show_urbp(struct urb_priv *urbp, char *buf, int len, int space) i = nactive = ninactive = 0; list_for_each_entry(td, &urbp->td_list, list) { - if (++i <= 10 || debug > 2) { + if (urbp->qh->type != USB_ENDPOINT_XFER_ISOC && + (++i <= 10 || debug > 2)) { out += sprintf(out, "%*s%d: ", space + 2, "", i); out += uhci_show_td(td, out, len - (out - buf), 0); } else { @@ -147,13 +151,27 @@ static int uhci_show_qh(struct uhci_qh *qh, char *buf, int len, int space) char *out = buf; int i, nurbs; __le32 element = qh_element(qh); + char *qtype; /* Try to make sure there's enough memory */ - if (len < 80 * 6) + if (len < 80 * 7) return 0; - out += sprintf(out, "%*s[%p] link (%08x) element (%08x)\n", space, "", - qh, le32_to_cpu(qh->link), le32_to_cpu(element)); + switch (qh->type) { + case USB_ENDPOINT_XFER_ISOC: qtype = "ISO"; break; + case USB_ENDPOINT_XFER_INT: qtype = "INT"; break; + case USB_ENDPOINT_XFER_BULK: qtype = "BLK"; break; + case USB_ENDPOINT_XFER_CONTROL: qtype = "CTL"; break; + default: qtype = "Skel" ; break; + } + + out += sprintf(out, "%*s[%p] %s QH link (%08x) element (%08x)\n", + space, "", qh, qtype, + le32_to_cpu(qh->link), le32_to_cpu(element)); + if (qh->type == USB_ENDPOINT_XFER_ISOC) + out += sprintf(out, "%*s period %d frame %x desc [%p]\n", + space, "", qh->period, qh->iso_frame, + qh->iso_packet_desc); if (element & UHCI_PTR_QH) out += sprintf(out, "%*s Element points to QH (bug?)\n", space, ""); @@ -261,7 +279,8 @@ static int uhci_show_root_hub_state(struct uhci_hcd *uhci, char *buf, int len) default: rh_state = "?"; break; } - out += sprintf(out, "Root-hub state: %s\n", rh_state); + out += sprintf(out, "Root-hub state: %s FSBR: %d\n", + rh_state, uhci->fsbr_is_on); return out - buf; } @@ -275,7 +294,7 @@ static int uhci_show_status(struct uhci_hcd *uhci, char *buf, int len) unsigned short portsc1, portsc2; /* Try to make sure there's enough memory */ - if (len < 80 * 6) + if (len < 80 * 9) return 0; usbcmd = inw(io_addr + 0); @@ -314,6 +333,10 @@ static int uhci_show_status(struct uhci_hcd *uhci, char *buf, int len) out += sprintf(out, " sof = %02x\n", sof); out += uhci_show_sc(1, portsc1, out, len - (out - buf)); out += uhci_show_sc(2, portsc2, out, len - (out - buf)); + out += sprintf(out, "Most recent frame: %x (%d) " + "Last ISO frame: %x (%d)\n", + uhci->frame_number, uhci->frame_number & 1023, + uhci->last_iso_frame, uhci->last_iso_frame & 1023); return out - buf; } diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c index d225e11f4055..7b48567622ef 100644 --- a/drivers/usb/host/uhci-hcd.c +++ b/drivers/usb/host/uhci-hcd.c @@ -13,7 +13,7 @@ * (C) Copyright 2000 Yggdrasil Computing, Inc. (port of new PCI interface * support from usb-ohci.c by Adam Richter, adam@yggdrasil.com). * (C) Copyright 1999 Gregory P. Smith (from usb-ohci.c) - * (C) Copyright 2004-2005 Alan Stern, stern@rowland.harvard.edu + * (C) Copyright 2004-2006 Alan Stern, stern@rowland.harvard.edu * * Intel documents this fairly well, and as far as I know there * are no royalties or anything like that, but even so there are @@ -31,7 +31,6 @@ #include <linux/ioport.h> #include <linux/sched.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/unistd.h> #include <linux/interrupt.h> @@ -88,15 +87,6 @@ static void suspend_rh(struct uhci_hcd *uhci, enum uhci_rh_state new_state); static void wakeup_rh(struct uhci_hcd *uhci); static void uhci_get_current_frame_number(struct uhci_hcd *uhci); -/* If a transfer is still active after this much time, turn off FSBR */ -#define IDLE_TIMEOUT msecs_to_jiffies(50) -#define FSBR_DELAY msecs_to_jiffies(50) - -/* When we timeout an idle transfer for FSBR, we'll switch it over to */ -/* depth first traversal. We'll do it in groups of this number of TDs */ -/* to make sure it doesn't hog all of the bandwidth */ -#define DEPTH_INTERVAL 5 - #include "uhci-debug.c" #include "uhci-q.c" #include "uhci-hub.c" @@ -120,22 +110,29 @@ static void finish_reset(struct uhci_hcd *uhci) uhci->is_stopped = UHCI_IS_STOPPED; uhci_to_hcd(uhci)->state = HC_STATE_HALT; uhci_to_hcd(uhci)->poll_rh = 0; + + uhci->dead = 0; /* Full reset resurrects the controller */ } /* * Last rites for a defunct/nonfunctional controller * or one we don't want to use any more. */ -static void hc_died(struct uhci_hcd *uhci) +static void uhci_hc_died(struct uhci_hcd *uhci) { + uhci_get_current_frame_number(uhci); uhci_reset_hc(to_pci_dev(uhci_dev(uhci)), uhci->io_addr); finish_reset(uhci); - uhci->hc_inaccessible = 1; + uhci->dead = 1; + + /* The current frame may already be partway finished */ + ++uhci->frame_number; } /* - * Initialize a controller that was newly discovered or has just been - * resumed. In either case we can't be sure of its previous state. + * Initialize a controller that was newly discovered or has lost power + * or otherwise been reset while it was suspended. In none of these cases + * can we be sure of its previous state. */ static void check_and_reset_hc(struct uhci_hcd *uhci) { @@ -155,7 +152,8 @@ static void configure_hc(struct uhci_hcd *uhci) outl(uhci->frame_dma_handle, uhci->io_addr + USBFLBASEADD); /* Set the current frame number */ - outw(uhci->frame_number, uhci->io_addr + USBFRNUM); + outw(uhci->frame_number & UHCI_MAX_SOF_NUMBER, + uhci->io_addr + USBFRNUM); /* Mark controller as not halted before we enable interrupts */ uhci_to_hcd(uhci)->state = HC_STATE_SUSPENDED; @@ -207,7 +205,8 @@ __acquires(uhci->lock) int int_enable; auto_stop = (new_state == UHCI_RH_AUTO_STOPPED); - dev_dbg(uhci_dev(uhci), "%s%s\n", __FUNCTION__, + dev_dbg(&uhci_to_hcd(uhci)->self.root_hub->dev, + "%s%s\n", __FUNCTION__, (auto_stop ? " (auto-stop)" : "")); /* If we get a suspend request when we're already auto-stopped @@ -241,27 +240,27 @@ __acquires(uhci->lock) spin_unlock_irq(&uhci->lock); msleep(1); spin_lock_irq(&uhci->lock); - if (uhci->hc_inaccessible) /* Died */ + if (uhci->dead) return; } if (!(inw(uhci->io_addr + USBSTS) & USBSTS_HCH)) - dev_warn(uhci_dev(uhci), "Controller not stopped yet!\n"); + dev_warn(&uhci_to_hcd(uhci)->self.root_hub->dev, + "Controller not stopped yet!\n"); uhci_get_current_frame_number(uhci); - smp_wmb(); uhci->rh_state = new_state; uhci->is_stopped = UHCI_IS_STOPPED; uhci_to_hcd(uhci)->poll_rh = !int_enable; uhci_scan_schedule(uhci, NULL); + uhci_fsbr_off(uhci); } static void start_rh(struct uhci_hcd *uhci) { uhci_to_hcd(uhci)->state = HC_STATE_RUNNING; uhci->is_stopped = 0; - smp_wmb(); /* Mark it configured and running with a 64-byte max packet. * All interrupts are enabled, even though RESUME won't do anything. @@ -278,7 +277,8 @@ static void wakeup_rh(struct uhci_hcd *uhci) __releases(uhci->lock) __acquires(uhci->lock) { - dev_dbg(uhci_dev(uhci), "%s%s\n", __FUNCTION__, + dev_dbg(&uhci_to_hcd(uhci)->self.root_hub->dev, + "%s%s\n", __FUNCTION__, uhci->rh_state == UHCI_RH_AUTO_STOPPED ? " (auto-start)" : ""); @@ -293,7 +293,7 @@ __acquires(uhci->lock) spin_unlock_irq(&uhci->lock); msleep(20); spin_lock_irq(&uhci->lock); - if (uhci->hc_inaccessible) /* Died */ + if (uhci->dead) return; /* End Global Resume and wait for EOP to be sent */ @@ -345,7 +345,7 @@ static irqreturn_t uhci_irq(struct usb_hcd *hcd, struct pt_regs *regs) errbuf, ERRBUF_LEN); lprintk(errbuf); } - hc_died(uhci); + uhci_hc_died(uhci); /* Force a callback in case there are * pending unlinks */ @@ -368,12 +368,21 @@ static irqreturn_t uhci_irq(struct usb_hcd *hcd, struct pt_regs *regs) /* * Store the current frame number in uhci->frame_number if the controller - * is runnning + * is runnning. Expand from 11 bits (of which we use only 10) to a + * full-sized integer. + * + * Like many other parts of the driver, this code relies on being polled + * more than once per second as long as the controller is running. */ static void uhci_get_current_frame_number(struct uhci_hcd *uhci) { - if (!uhci->is_stopped) - uhci->frame_number = inw(uhci->io_addr + USBFRNUM); + if (!uhci->is_stopped) { + unsigned delta; + + delta = (inw(uhci->io_addr + USBFRNUM) - uhci->frame_number) & + (UHCI_NUMFRAMES - 1); + uhci->frame_number += delta; + } } /* @@ -407,7 +416,7 @@ static void release_uhci(struct uhci_hcd *uhci) uhci->frame, uhci->frame_dma_handle); } -static int uhci_reset(struct usb_hcd *hcd) +static int uhci_init(struct usb_hcd *hcd) { struct uhci_hcd *uhci = hcd_to_uhci(hcd); unsigned io_size = (unsigned) hcd->rsrc_len; @@ -459,7 +468,7 @@ static void uhci_shutdown(struct pci_dev *pdev) { struct usb_hcd *hcd = (struct usb_hcd *) pci_get_drvdata(pdev); - hc_died(hcd_to_uhci(hcd)); + uhci_hc_died(hcd_to_uhci(hcd)); } /* @@ -487,14 +496,10 @@ static int uhci_start(struct usb_hcd *hcd) hcd->uses_new_polling = 1; - uhci->fsbr = 0; - uhci->fsbrtimeout = 0; - spin_lock_init(&uhci->lock); - - INIT_LIST_HEAD(&uhci->td_remove_list); + setup_timer(&uhci->fsbr_timer, uhci_fsbr_timeout, + (unsigned long) uhci); INIT_LIST_HEAD(&uhci->idle_qh_list); - init_waitqueue_head(&uhci->waitqh); if (DEBUG_CONFIGURED) { @@ -665,11 +670,12 @@ static void uhci_stop(struct usb_hcd *hcd) struct uhci_hcd *uhci = hcd_to_uhci(hcd); spin_lock_irq(&uhci->lock); - if (!uhci->hc_inaccessible) - hc_died(uhci); + if (test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags) && !uhci->dead) + uhci_hc_died(uhci); uhci_scan_schedule(uhci, NULL); spin_unlock_irq(&uhci->lock); + del_timer_sync(&uhci->fsbr_timer); release_uhci(uhci); } @@ -677,12 +683,15 @@ static void uhci_stop(struct usb_hcd *hcd) static int uhci_rh_suspend(struct usb_hcd *hcd) { struct uhci_hcd *uhci = hcd_to_uhci(hcd); + int rc = 0; spin_lock_irq(&uhci->lock); - if (!uhci->hc_inaccessible) /* Not dead */ + if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) + rc = -ESHUTDOWN; + else if (!uhci->dead) suspend_rh(uhci, UHCI_RH_SUSPENDED); spin_unlock_irq(&uhci->lock); - return 0; + return rc; } static int uhci_rh_resume(struct usb_hcd *hcd) @@ -691,13 +700,10 @@ static int uhci_rh_resume(struct usb_hcd *hcd) int rc = 0; spin_lock_irq(&uhci->lock); - if (uhci->hc_inaccessible) { - if (uhci->rh_state == UHCI_RH_SUSPENDED) { - dev_warn(uhci_dev(uhci), "HC isn't running!\n"); - rc = -ENODEV; - } - /* Otherwise the HC is dead */ - } else + if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) { + dev_warn(&hcd->self.root_hub->dev, "HC isn't running!\n"); + rc = -ESHUTDOWN; + } else if (!uhci->dead) wakeup_rh(uhci); spin_unlock_irq(&uhci->lock); return rc; @@ -711,8 +717,8 @@ static int uhci_suspend(struct usb_hcd *hcd, pm_message_t message) dev_dbg(uhci_dev(uhci), "%s\n", __FUNCTION__); spin_lock_irq(&uhci->lock); - if (uhci->hc_inaccessible) /* Dead or already suspended */ - goto done; + if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags) || uhci->dead) + goto done_okay; /* Already suspended or dead */ if (uhci->rh_state > UHCI_RH_SUSPENDED) { dev_warn(uhci_dev(uhci), "Root hub isn't suspended!\n"); @@ -725,12 +731,12 @@ static int uhci_suspend(struct usb_hcd *hcd, pm_message_t message) */ pci_write_config_word(to_pci_dev(uhci_dev(uhci)), USBLEGSUP, 0); mb(); - clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); - uhci->hc_inaccessible = 1; hcd->poll_rh = 0; /* FIXME: Enable non-PME# remote wakeup? */ +done_okay: + clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); done: spin_unlock_irq(&uhci->lock); return rc; @@ -743,24 +749,22 @@ static int uhci_resume(struct usb_hcd *hcd) dev_dbg(uhci_dev(uhci), "%s\n", __FUNCTION__); /* Since we aren't in D3 any more, it's safe to set this flag - * even if the controller was dead. It might not even be dead - * any more, if the firmware or quirks code has reset it. + * even if the controller was dead. */ set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); mb(); - if (uhci->rh_state == UHCI_RH_RESET) /* Dead */ - return 0; spin_lock_irq(&uhci->lock); /* FIXME: Disable non-PME# remote wakeup? */ - uhci->hc_inaccessible = 0; - - /* The BIOS may have changed the controller settings during a - * system wakeup. Check it and reconfigure to avoid problems. + /* The firmware or a boot kernel may have changed the controller + * settings during a system wakeup. Check it and reconfigure + * to avoid problems. */ check_and_reset_hc(uhci); + + /* If the controller was dead before, it's back alive now */ configure_hc(uhci); if (uhci->rh_state == UHCI_RH_RESET) { @@ -810,18 +814,15 @@ done: static int uhci_hcd_get_frame_number(struct usb_hcd *hcd) { struct uhci_hcd *uhci = hcd_to_uhci(hcd); - unsigned long flags; - int is_stopped; - int frame_number; + unsigned frame_number; + unsigned delta; /* Minimize latency by avoiding the spinlock */ - local_irq_save(flags); - is_stopped = uhci->is_stopped; - smp_rmb(); - frame_number = (is_stopped ? uhci->frame_number : - inw(uhci->io_addr + USBFRNUM)); - local_irq_restore(flags); - return frame_number; + frame_number = uhci->frame_number; + barrier(); + delta = (inw(uhci->io_addr + USBFRNUM) - frame_number) & + (UHCI_NUMFRAMES - 1); + return frame_number + delta; } static const char hcd_name[] = "uhci_hcd"; @@ -836,7 +837,7 @@ static const struct hc_driver uhci_driver = { .flags = HCD_USB11, /* Basic lifecycle operations */ - .reset = uhci_reset, + .reset = uhci_init, .start = uhci_start, #ifdef CONFIG_PM .suspend = uhci_suspend, diff --git a/drivers/usb/host/uhci-hcd.h b/drivers/usb/host/uhci-hcd.h index d5c8f4d92823..108e3de2dc26 100644 --- a/drivers/usb/host/uhci-hcd.h +++ b/drivers/usb/host/uhci-hcd.h @@ -84,6 +84,13 @@ #define CAN_SCHEDULE_FRAMES 1000 /* how far in the future frames * can be scheduled */ +/* When no queues need Full-Speed Bandwidth Reclamation, + * delay this long before turning FSBR off */ +#define FSBR_OFF_DELAY msecs_to_jiffies(10) + +/* If a queue hasn't advanced after this much time, assume it is stuck */ +#define QH_WAIT_TIMEOUT msecs_to_jiffies(200) + /* * Queue Headers @@ -121,21 +128,31 @@ struct uhci_qh { __le32 element; /* Queue element (TD) pointer */ /* Software fields */ - dma_addr_t dma_handle; - struct list_head node; /* Node in the list of QHs */ struct usb_host_endpoint *hep; /* Endpoint information */ struct usb_device *udev; struct list_head queue; /* Queue of urbps for this QH */ struct uhci_qh *skel; /* Skeleton for this QH */ struct uhci_td *dummy_td; /* Dummy TD to end the queue */ + struct uhci_td *post_td; /* Last TD completed */ + struct usb_iso_packet_descriptor *iso_packet_desc; + /* Next urb->iso_frame_desc entry */ + unsigned long advance_jiffies; /* Time of last queue advance */ unsigned int unlink_frame; /* When the QH was unlinked */ + unsigned int period; /* For Interrupt and Isochronous QHs */ + unsigned int iso_frame; /* Frame # for iso_packet_desc */ + int iso_status; /* Status for Isochronous URBs */ + int state; /* QH_STATE_xxx; see above */ + int type; /* Queue type (control, bulk, etc) */ + + dma_addr_t dma_handle; unsigned int initial_toggle:1; /* Endpoint's current toggle value */ unsigned int needs_fixup:1; /* Must fix the TD toggle values */ - unsigned int is_stopped:1; /* Queue was stopped by an error */ + unsigned int is_stopped:1; /* Queue was stopped by error/unlink */ + unsigned int wait_expired:1; /* QH_WAIT_TIMEOUT has expired */ } __attribute__((aligned(16))); /* @@ -226,7 +243,6 @@ struct uhci_td { dma_addr_t dma_handle; struct list_head list; - struct list_head remove_list; int frame; /* for iso: what frame? */ struct list_head fl_list; @@ -305,38 +321,8 @@ static inline u32 td_status(struct uhci_td *td) { #define skel_bulk_qh skelqh[12] #define skel_term_qh skelqh[13] -/* - * Search tree for determining where <interval> fits in the skelqh[] - * skeleton. - * - * An interrupt request should be placed into the slowest skelqh[] - * which meets the interval/period/frequency requirement. - * An interrupt request is allowed to be faster than <interval> but not slower. - * - * For a given <interval>, this function returns the appropriate/matching - * skelqh[] index value. - */ -static inline int __interval_to_skel(int interval) -{ - if (interval < 16) { - if (interval < 4) { - if (interval < 2) - return 9; /* int1 for 0-1 ms */ - return 8; /* int2 for 2-3 ms */ - } - if (interval < 8) - return 7; /* int4 for 4-7 ms */ - return 6; /* int8 for 8-15 ms */ - } - if (interval < 64) { - if (interval < 32) - return 5; /* int16 for 16-31 ms */ - return 4; /* int32 for 32-63 ms */ - } - if (interval < 128) - return 3; /* int64 for 64-127 ms */ - return 2; /* int128 for 128-255 ms (Max.) */ -} +/* Find the skelqh entry corresponding to an interval exponent */ +#define UHCI_SKEL_INDEX(exponent) (9 - exponent) /* @@ -396,32 +382,32 @@ struct uhci_hcd { __le32 *frame; void **frame_cpu; /* CPU's frame list */ - int fsbr; /* Full-speed bandwidth reclamation */ - unsigned long fsbrtimeout; /* FSBR delay */ - enum uhci_rh_state rh_state; unsigned long auto_stop_time; /* When to AUTO_STOP */ unsigned int frame_number; /* As of last check */ unsigned int is_stopped; #define UHCI_IS_STOPPED 9999 /* Larger than a frame # */ + unsigned int last_iso_frame; /* Frame of last scan */ + unsigned int cur_iso_frame; /* Frame for current scan */ unsigned int scan_in_progress:1; /* Schedule scan is running */ unsigned int need_rescan:1; /* Redo the schedule scan */ - unsigned int hc_inaccessible:1; /* HC is suspended or dead */ + unsigned int dead:1; /* Controller has died */ unsigned int working_RD:1; /* Suspended root hub doesn't need to be polled */ unsigned int is_initialized:1; /* Data structure is usable */ + unsigned int fsbr_is_on:1; /* FSBR is turned on */ + unsigned int fsbr_is_wanted:1; /* Does any URB want FSBR? */ + unsigned int fsbr_expiring:1; /* FSBR is timing out */ + + struct timer_list fsbr_timer; /* For turning off FBSR */ /* Support for port suspend/resume/reset */ unsigned long port_c_suspend; /* Bit-arrays of ports */ unsigned long resuming_ports; unsigned long ports_timeout; /* Time to stop signalling */ - /* List of TDs that are done, but waiting to be freed (race) */ - struct list_head td_remove_list; - unsigned int td_remove_age; /* Age in frames */ - struct list_head idle_qh_list; /* Where the idle QHs live */ int rh_numports; /* Number of root-hub ports */ @@ -442,6 +428,9 @@ static inline struct usb_hcd *uhci_to_hcd(struct uhci_hcd *uhci) #define uhci_dev(u) (uhci_to_hcd(u)->self.controller) +/* Utility macro for comparing frame numbers */ +#define uhci_frame_before_eq(f1, f2) (0 <= (int) ((f2) - (f1))) + /* * Private per-URB data @@ -454,9 +443,7 @@ struct urb_priv { struct uhci_qh *qh; /* QH for this URB */ struct list_head td_list; - unsigned fsbr : 1; /* URB turned on FSBR */ - unsigned short_transfer : 1; /* URB got a short transfer, no - * need to rescan */ + unsigned fsbr:1; /* URB wants FSBR */ }; diff --git a/drivers/usb/host/uhci-hub.c b/drivers/usb/host/uhci-hub.c index c8451d9578f1..c545ef92fe29 100644 --- a/drivers/usb/host/uhci-hub.c +++ b/drivers/usb/host/uhci-hub.c @@ -171,9 +171,8 @@ static int uhci_hub_status_data(struct usb_hcd *hcd, char *buf) spin_lock_irqsave(&uhci->lock, flags); uhci_scan_schedule(uhci, NULL); - if (uhci->hc_inaccessible) + if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags) || uhci->dead) goto done; - check_fsbr(uhci); uhci_check_ports(uhci); status = get_hub_status_data(uhci, buf); @@ -228,7 +227,7 @@ static int uhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, u16 wPortChange, wPortStatus; unsigned long flags; - if (uhci->hc_inaccessible) + if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags) || uhci->dead) return -ETIMEDOUT; spin_lock_irqsave(&uhci->lock, flags); diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c index a06d84c19e13..c9d72ac0a1d7 100644 --- a/drivers/usb/host/uhci-q.c +++ b/drivers/usb/host/uhci-q.c @@ -13,10 +13,9 @@ * (C) Copyright 2000 Yggdrasil Computing, Inc. (port of new PCI interface * support from usb-ohci.c by Adam Richter, adam@yggdrasil.com). * (C) Copyright 1999 Gregory P. Smith (from usb-ohci.c) - * (C) Copyright 2004-2005 Alan Stern, stern@rowland.harvard.edu + * (C) Copyright 2004-2006 Alan Stern, stern@rowland.harvard.edu */ -static void uhci_free_pending_tds(struct uhci_hcd *uhci); /* * Technically, updating td->status here is a race, but it's not really a @@ -38,6 +37,60 @@ static inline void uhci_clear_next_interrupt(struct uhci_hcd *uhci) uhci->term_td->status &= ~cpu_to_le32(TD_CTRL_IOC); } + +/* + * Full-Speed Bandwidth Reclamation (FSBR). + * We turn on FSBR whenever a queue that wants it is advancing, + * and leave it on for a short time thereafter. + */ +static void uhci_fsbr_on(struct uhci_hcd *uhci) +{ + uhci->fsbr_is_on = 1; + uhci->skel_term_qh->link = cpu_to_le32( + uhci->skel_fs_control_qh->dma_handle) | UHCI_PTR_QH; +} + +static void uhci_fsbr_off(struct uhci_hcd *uhci) +{ + uhci->fsbr_is_on = 0; + uhci->skel_term_qh->link = UHCI_PTR_TERM; +} + +static void uhci_add_fsbr(struct uhci_hcd *uhci, struct urb *urb) +{ + struct urb_priv *urbp = urb->hcpriv; + + if (!(urb->transfer_flags & URB_NO_FSBR)) + urbp->fsbr = 1; +} + +static void uhci_urbp_wants_fsbr(struct uhci_hcd *uhci, struct urb_priv *urbp) +{ + if (urbp->fsbr) { + uhci->fsbr_is_wanted = 1; + if (!uhci->fsbr_is_on) + uhci_fsbr_on(uhci); + else if (uhci->fsbr_expiring) { + uhci->fsbr_expiring = 0; + del_timer(&uhci->fsbr_timer); + } + } +} + +static void uhci_fsbr_timeout(unsigned long _uhci) +{ + struct uhci_hcd *uhci = (struct uhci_hcd *) _uhci; + unsigned long flags; + + spin_lock_irqsave(&uhci->lock, flags); + if (uhci->fsbr_expiring) { + uhci->fsbr_expiring = 0; + uhci_fsbr_off(uhci); + } + spin_unlock_irqrestore(&uhci->lock, flags); +} + + static struct uhci_td *uhci_alloc_td(struct uhci_hcd *uhci) { dma_addr_t dma_handle; @@ -51,7 +104,6 @@ static struct uhci_td *uhci_alloc_td(struct uhci_hcd *uhci) td->frame = -1; INIT_LIST_HEAD(&td->list); - INIT_LIST_HEAD(&td->remove_list); INIT_LIST_HEAD(&td->fl_list); return td; @@ -61,8 +113,6 @@ static void uhci_free_td(struct uhci_hcd *uhci, struct uhci_td *td) { if (!list_empty(&td->list)) dev_warn(uhci_dev(uhci), "td %p still in list!\n", td); - if (!list_empty(&td->remove_list)) - dev_warn(uhci_dev(uhci), "td %p still in remove_list!\n", td); if (!list_empty(&td->fl_list)) dev_warn(uhci_dev(uhci), "td %p still in fl_list!\n", td); @@ -77,6 +127,16 @@ static inline void uhci_fill_td(struct uhci_td *td, u32 status, td->buffer = cpu_to_le32(buffer); } +static void uhci_add_td_to_urbp(struct uhci_td *td, struct urb_priv *urbp) +{ + list_add_tail(&td->list, &urbp->td_list); +} + +static void uhci_remove_td_from_urbp(struct uhci_td *td) +{ + list_del_init(&td->list); +} + /* * We insert Isochronous URBs directly into the frame list at the beginning */ @@ -138,6 +198,24 @@ static inline void uhci_remove_td_from_frame_list(struct uhci_hcd *uhci, td->frame = -1; } +static inline void uhci_remove_tds_from_frame(struct uhci_hcd *uhci, + unsigned int framenum) +{ + struct uhci_td *ftd, *ltd; + + framenum &= (UHCI_NUMFRAMES - 1); + + ftd = uhci->frame_cpu[framenum]; + if (ftd) { + ltd = list_entry(ftd->fl_list.prev, struct uhci_td, fl_list); + uhci->frame[framenum] = ltd->link; + uhci->frame_cpu[framenum] = NULL; + + while (!list_empty(&ftd->fl_list)) + list_del_init(ftd->fl_list.prev); + } +} + /* * Remove all the TDs for an Isochronous URB from the frame list */ @@ -148,7 +226,6 @@ static void uhci_unlink_isochronous_tds(struct uhci_hcd *uhci, struct urb *urb) list_for_each_entry(td, &urbp->td_list, list) uhci_remove_td_from_frame_list(uhci, td); - wmb(); } static struct uhci_qh *uhci_alloc_qh(struct uhci_hcd *uhci, @@ -161,6 +238,7 @@ static struct uhci_qh *uhci_alloc_qh(struct uhci_hcd *uhci, if (!qh) return NULL; + memset(qh, 0, sizeof(*qh)); qh->dma_handle = dma_handle; qh->element = UHCI_PTR_TERM; @@ -179,10 +257,11 @@ static struct uhci_qh *uhci_alloc_qh(struct uhci_hcd *uhci, qh->hep = hep; qh->udev = udev; hep->hcpriv = qh; + qh->type = hep->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK; } else { /* Skeleton QH */ qh->state = QH_STATE_ACTIVE; - qh->udev = NULL; + qh->type = -1; } return qh; } @@ -202,35 +281,64 @@ static void uhci_free_qh(struct uhci_hcd *uhci, struct uhci_qh *qh) } /* - * When the currently executing URB is dequeued, save its current toggle value + * When a queue is stopped and a dequeued URB is given back, adjust + * the previous TD link (if the URB isn't first on the queue) or + * save its toggle value (if it is first and is currently executing). + * + * Returns 0 if the URB should not yet be given back, 1 otherwise. */ -static void uhci_save_toggle(struct uhci_qh *qh, struct urb *urb) +static int uhci_cleanup_queue(struct uhci_hcd *uhci, struct uhci_qh *qh, + struct urb *urb) { - struct urb_priv *urbp = (struct urb_priv *) urb->hcpriv; + struct urb_priv *urbp = urb->hcpriv; struct uhci_td *td; + int ret = 1; + + /* Isochronous pipes don't use toggles and their TD link pointers + * get adjusted during uhci_urb_dequeue(). But since their queues + * cannot truly be stopped, we have to watch out for dequeues + * occurring after the nominal unlink frame. */ + if (qh->type == USB_ENDPOINT_XFER_ISOC) { + ret = (uhci->frame_number + uhci->is_stopped != + qh->unlink_frame); + goto done; + } + + /* If the URB isn't first on its queue, adjust the link pointer + * of the last TD in the previous URB. The toggle doesn't need + * to be saved since this URB can't be executing yet. */ + if (qh->queue.next != &urbp->node) { + struct urb_priv *purbp; + struct uhci_td *ptd; + + purbp = list_entry(urbp->node.prev, struct urb_priv, node); + WARN_ON(list_empty(&purbp->td_list)); + ptd = list_entry(purbp->td_list.prev, struct uhci_td, + list); + td = list_entry(urbp->td_list.prev, struct uhci_td, + list); + ptd->link = td->link; + goto done; + } /* If the QH element pointer is UHCI_PTR_TERM then then currently * executing URB has already been unlinked, so this one isn't it. */ - if (qh_element(qh) == UHCI_PTR_TERM || - qh->queue.next != &urbp->node) - return; + if (qh_element(qh) == UHCI_PTR_TERM) + goto done; qh->element = UHCI_PTR_TERM; - /* Only bulk and interrupt pipes have to worry about toggles */ - if (!(usb_pipetype(urb->pipe) == PIPE_BULK || - usb_pipetype(urb->pipe) == PIPE_INTERRUPT)) - return; + /* Control pipes have to worry about toggles */ + if (qh->type == USB_ENDPOINT_XFER_CONTROL) + goto done; - /* Find the first active TD; that's the device's toggle state */ - list_for_each_entry(td, &urbp->td_list, list) { - if (td_status(td) & TD_CTRL_ACTIVE) { - qh->needs_fixup = 1; - qh->initial_toggle = uhci_toggle(td_token(td)); - return; - } - } + /* Save the next toggle value */ + WARN_ON(list_empty(&urbp->td_list)); + td = list_entry(urbp->td_list.next, struct uhci_td, list); + qh->needs_fixup = 1; + qh->initial_toggle = uhci_toggle(td_token(td)); - WARN_ON(1); +done: + return ret; } /* @@ -305,6 +413,10 @@ static void uhci_activate_qh(struct uhci_hcd *uhci, struct uhci_qh *qh) qh->element = cpu_to_le32(td->dma_handle); } + /* Treat the queue as if it has just advanced */ + qh->wait_expired = 0; + qh->advance_jiffies = jiffies; + if (qh->state == QH_STATE_ACTIVE) return; qh->state = QH_STATE_ACTIVE; @@ -370,6 +482,12 @@ static void uhci_make_qh_idle(struct uhci_hcd *uhci, struct uhci_qh *qh) list_move(&qh->node, &uhci->idle_qh_list); qh->state = QH_STATE_IDLE; + /* Now that the QH is idle, its post_td isn't being used */ + if (qh->post_td) { + uhci_free_td(uhci, qh->post_td); + qh->post_td = NULL; + } + /* If anyone is waiting for a QH to become idle, wake them up */ if (uhci->num_waiting) wake_up_all(&uhci->waitqh); @@ -395,21 +513,6 @@ static inline struct urb_priv *uhci_alloc_urb_priv(struct uhci_hcd *uhci, return urbp; } -static void uhci_add_td_to_urb(struct urb *urb, struct uhci_td *td) -{ - struct urb_priv *urbp = (struct urb_priv *)urb->hcpriv; - - list_add_tail(&td->list, &urbp->td_list); -} - -static void uhci_remove_td_from_urb(struct uhci_td *td) -{ - if (list_empty(&td->list)) - return; - - list_del_init(&td->list); -} - static void uhci_free_urb_priv(struct uhci_hcd *uhci, struct urb_priv *urbp) { @@ -419,48 +522,15 @@ static void uhci_free_urb_priv(struct uhci_hcd *uhci, dev_warn(uhci_dev(uhci), "urb %p still on QH's list!\n", urbp->urb); - uhci_get_current_frame_number(uhci); - if (uhci->frame_number + uhci->is_stopped != uhci->td_remove_age) { - uhci_free_pending_tds(uhci); - uhci->td_remove_age = uhci->frame_number; - } - - /* Check to see if the remove list is empty. Set the IOC bit */ - /* to force an interrupt so we can remove the TDs. */ - if (list_empty(&uhci->td_remove_list)) - uhci_set_next_interrupt(uhci); - list_for_each_entry_safe(td, tmp, &urbp->td_list, list) { - uhci_remove_td_from_urb(td); - list_add(&td->remove_list, &uhci->td_remove_list); + uhci_remove_td_from_urbp(td); + uhci_free_td(uhci, td); } urbp->urb->hcpriv = NULL; kmem_cache_free(uhci_up_cachep, urbp); } -static void uhci_inc_fsbr(struct uhci_hcd *uhci, struct urb *urb) -{ - struct urb_priv *urbp = (struct urb_priv *)urb->hcpriv; - - if ((!(urb->transfer_flags & URB_NO_FSBR)) && !urbp->fsbr) { - urbp->fsbr = 1; - if (!uhci->fsbr++ && !uhci->fsbrtimeout) - uhci->skel_term_qh->link = cpu_to_le32(uhci->skel_fs_control_qh->dma_handle) | UHCI_PTR_QH; - } -} - -static void uhci_dec_fsbr(struct uhci_hcd *uhci, struct urb *urb) -{ - struct urb_priv *urbp = (struct urb_priv *)urb->hcpriv; - - if ((!(urb->transfer_flags & URB_NO_FSBR)) && urbp->fsbr) { - urbp->fsbr = 0; - if (!--uhci->fsbr) - uhci->fsbrtimeout = jiffies + FSBR_DELAY; - } -} - /* * Map status to standard result codes * @@ -487,7 +557,6 @@ static int uhci_map_status(int status, int dir_out) return -ENOSR; if (status & TD_CTRL_STALLED) /* Stalled */ return -EPIPE; - WARN_ON(status & TD_CTRL_ACTIVE); /* Active */ return 0; } @@ -503,6 +572,7 @@ static int uhci_submit_control(struct uhci_hcd *uhci, struct urb *urb, int len = urb->transfer_buffer_length; dma_addr_t data = urb->transfer_dma; __le32 *plink; + struct urb_priv *urbp = urb->hcpriv; /* The "pipe" thing contains the destination in bits 8--18 */ destination = (urb->pipe & PIPE_DEVEP_MASK) | USB_PID_SETUP; @@ -516,7 +586,7 @@ static int uhci_submit_control(struct uhci_hcd *uhci, struct urb *urb, * Build the TD for the control request setup packet */ td = qh->dummy_td; - uhci_add_td_to_urb(urb, td); + uhci_add_td_to_urbp(td, urbp); uhci_fill_td(td, status, destination | uhci_explen(8), urb->setup_dma); plink = &td->link; @@ -548,7 +618,7 @@ static int uhci_submit_control(struct uhci_hcd *uhci, struct urb *urb, /* Alternate Data0/1 (start with Data1) */ destination ^= TD_TOKEN_TOGGLE; - uhci_add_td_to_urb(urb, td); + uhci_add_td_to_urbp(td, urbp); uhci_fill_td(td, status, destination | uhci_explen(pktsze), data); plink = &td->link; @@ -579,7 +649,7 @@ static int uhci_submit_control(struct uhci_hcd *uhci, struct urb *urb, status &= ~TD_CTRL_SPD; - uhci_add_td_to_urb(urb, td); + uhci_add_td_to_urbp(td, urbp); uhci_fill_td(td, status | TD_CTRL_IOC, destination | uhci_explen(0), 0); plink = &td->link; @@ -606,145 +676,19 @@ static int uhci_submit_control(struct uhci_hcd *uhci, struct urb *urb, qh->skel = uhci->skel_ls_control_qh; else { qh->skel = uhci->skel_fs_control_qh; - uhci_inc_fsbr(uhci, urb); + uhci_add_fsbr(uhci, urb); } + + urb->actual_length = -8; /* Account for the SETUP packet */ return 0; nomem: /* Remove the dummy TD from the td_list so it doesn't get freed */ - uhci_remove_td_from_urb(qh->dummy_td); + uhci_remove_td_from_urbp(qh->dummy_td); return -ENOMEM; } /* - * If control-IN transfer was short, the status packet wasn't sent. - * This routine changes the element pointer in the QH to point at the - * status TD. It's safe to do this even while the QH is live, because - * the hardware only updates the element pointer following a successful - * transfer. The inactive TD for the short packet won't cause an update, - * so the pointer won't get overwritten. The next time the controller - * sees this QH, it will send the status packet. - */ -static int usb_control_retrigger_status(struct uhci_hcd *uhci, struct urb *urb) -{ - struct urb_priv *urbp = (struct urb_priv *)urb->hcpriv; - struct uhci_td *td; - - urbp->short_transfer = 1; - - td = list_entry(urbp->td_list.prev, struct uhci_td, list); - urbp->qh->element = cpu_to_le32(td->dma_handle); - - return -EINPROGRESS; -} - - -static int uhci_result_control(struct uhci_hcd *uhci, struct urb *urb) -{ - struct list_head *tmp, *head; - struct urb_priv *urbp = urb->hcpriv; - struct uhci_td *td; - unsigned int status; - int ret = 0; - - head = &urbp->td_list; - if (urbp->short_transfer) { - tmp = head->prev; - goto status_stage; - } - - urb->actual_length = 0; - - tmp = head->next; - td = list_entry(tmp, struct uhci_td, list); - - /* The first TD is the SETUP stage, check the status, but skip */ - /* the count */ - status = uhci_status_bits(td_status(td)); - if (status & TD_CTRL_ACTIVE) - return -EINPROGRESS; - - if (status) - goto td_error; - - /* The rest of the TDs (but the last) are data */ - tmp = tmp->next; - while (tmp != head && tmp->next != head) { - unsigned int ctrlstat; - - td = list_entry(tmp, struct uhci_td, list); - tmp = tmp->next; - - ctrlstat = td_status(td); - status = uhci_status_bits(ctrlstat); - if (status & TD_CTRL_ACTIVE) - return -EINPROGRESS; - - urb->actual_length += uhci_actual_length(ctrlstat); - - if (status) - goto td_error; - - /* Check to see if we received a short packet */ - if (uhci_actual_length(ctrlstat) < - uhci_expected_length(td_token(td))) { - if (urb->transfer_flags & URB_SHORT_NOT_OK) { - ret = -EREMOTEIO; - goto err; - } - - return usb_control_retrigger_status(uhci, urb); - } - } - -status_stage: - td = list_entry(tmp, struct uhci_td, list); - - /* Control status stage */ - status = td_status(td); - -#ifdef I_HAVE_BUGGY_APC_BACKUPS - /* APC BackUPS Pro kludge */ - /* It tries to send all of the descriptor instead of the amount */ - /* we requested */ - if (status & TD_CTRL_IOC && /* IOC is masked out by uhci_status_bits */ - status & TD_CTRL_ACTIVE && - status & TD_CTRL_NAK) - return 0; -#endif - - status = uhci_status_bits(status); - if (status & TD_CTRL_ACTIVE) - return -EINPROGRESS; - - if (status) - goto td_error; - - return 0; - -td_error: - ret = uhci_map_status(status, uhci_packetout(td_token(td))); - -err: - if ((debug == 1 && ret != -EPIPE) || debug > 1) { - /* Some debugging code */ - dev_dbg(uhci_dev(uhci), "%s: failed with status %x\n", - __FUNCTION__, status); - - if (errbuf) { - /* Print the chain for debugging purposes */ - uhci_show_qh(urbp->qh, errbuf, ERRBUF_LEN, 0); - lprintk(errbuf); - } - } - - /* Note that the queue has stopped */ - urbp->qh->element = UHCI_PTR_TERM; - urbp->qh->is_stopped = 1; - return ret; -} - -/* * Common submit for bulk and interrupt */ static int uhci_submit_common(struct uhci_hcd *uhci, struct urb *urb, @@ -756,6 +700,7 @@ static int uhci_submit_common(struct uhci_hcd *uhci, struct urb *urb, int len = urb->transfer_buffer_length; dma_addr_t data = urb->transfer_dma; __le32 *plink; + struct urb_priv *urbp = urb->hcpriv; unsigned int toggle; if (len < 0) @@ -793,7 +738,7 @@ static int uhci_submit_common(struct uhci_hcd *uhci, struct urb *urb, goto nomem; *plink = cpu_to_le32(td->dma_handle); } - uhci_add_td_to_urb(urb, td); + uhci_add_td_to_urbp(td, urbp); uhci_fill_td(td, status, destination | uhci_explen(pktsze) | (toggle << TD_TOKEN_TOGGLE_SHIFT), @@ -821,7 +766,7 @@ static int uhci_submit_common(struct uhci_hcd *uhci, struct urb *urb, goto nomem; *plink = cpu_to_le32(td->dma_handle); - uhci_add_td_to_urb(urb, td); + uhci_add_td_to_urbp(td, urbp); uhci_fill_td(td, status, destination | uhci_explen(0) | (toggle << TD_TOKEN_TOGGLE_SHIFT), @@ -851,6 +796,7 @@ static int uhci_submit_common(struct uhci_hcd *uhci, struct urb *urb, wmb(); qh->dummy_td->status |= __constant_cpu_to_le32(TD_CTRL_ACTIVE); qh->dummy_td = td; + qh->period = urb->interval; usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), usb_pipeout(urb->pipe), toggle); @@ -858,90 +804,10 @@ static int uhci_submit_common(struct uhci_hcd *uhci, struct urb *urb, nomem: /* Remove the dummy TD from the td_list so it doesn't get freed */ - uhci_remove_td_from_urb(qh->dummy_td); + uhci_remove_td_from_urbp(qh->dummy_td); return -ENOMEM; } -/* - * Common result for bulk and interrupt - */ -static int uhci_result_common(struct uhci_hcd *uhci, struct urb *urb) -{ - struct urb_priv *urbp = urb->hcpriv; - struct uhci_td *td; - unsigned int status = 0; - int ret = 0; - - urb->actual_length = 0; - - list_for_each_entry(td, &urbp->td_list, list) { - unsigned int ctrlstat = td_status(td); - - status = uhci_status_bits(ctrlstat); - if (status & TD_CTRL_ACTIVE) - return -EINPROGRESS; - - urb->actual_length += uhci_actual_length(ctrlstat); - - if (status) - goto td_error; - - if (uhci_actual_length(ctrlstat) < - uhci_expected_length(td_token(td))) { - if (urb->transfer_flags & URB_SHORT_NOT_OK) { - ret = -EREMOTEIO; - goto err; - } - - /* - * This URB stopped short of its end. We have to - * fix up the toggles of the following URBs on the - * queue and restart the queue. - * - * Do this only the first time we encounter the - * short URB. - */ - if (!urbp->short_transfer) { - urbp->short_transfer = 1; - urbp->qh->initial_toggle = - uhci_toggle(td_token(td)) ^ 1; - uhci_fixup_toggles(urbp->qh, 1); - - td = list_entry(urbp->td_list.prev, - struct uhci_td, list); - urbp->qh->element = td->link; - } - break; - } - } - - return 0; - -td_error: - ret = uhci_map_status(status, uhci_packetout(td_token(td))); - - if ((debug == 1 && ret != -EPIPE) || debug > 1) { - /* Some debugging code */ - dev_dbg(uhci_dev(uhci), "%s: failed with status %x\n", - __FUNCTION__, status); - - if (debug > 1 && errbuf) { - /* Print the chain for debugging purposes */ - uhci_show_qh(urbp->qh, errbuf, ERRBUF_LEN, 0); - lprintk(errbuf); - } - } -err: - - /* Note that the queue has stopped and save the next toggle value */ - urbp->qh->element = UHCI_PTR_TERM; - urbp->qh->is_stopped = 1; - urbp->qh->needs_fixup = 1; - urbp->qh->initial_toggle = uhci_toggle(td_token(td)) ^ - (ret == -EREMOTEIO); - return ret; -} - static inline int uhci_submit_bulk(struct uhci_hcd *uhci, struct urb *urb, struct uhci_qh *qh) { @@ -954,22 +820,163 @@ static inline int uhci_submit_bulk(struct uhci_hcd *uhci, struct urb *urb, qh->skel = uhci->skel_bulk_qh; ret = uhci_submit_common(uhci, urb, qh); if (ret == 0) - uhci_inc_fsbr(uhci, urb); + uhci_add_fsbr(uhci, urb); return ret; } -static inline int uhci_submit_interrupt(struct uhci_hcd *uhci, struct urb *urb, +static int uhci_submit_interrupt(struct uhci_hcd *uhci, struct urb *urb, struct uhci_qh *qh) { + int exponent; + /* USB 1.1 interrupt transfers only involve one packet per interval. * Drivers can submit URBs of any length, but longer ones will need * multiple intervals to complete. */ - qh->skel = uhci->skelqh[__interval_to_skel(urb->interval)]; + + /* Figure out which power-of-two queue to use */ + for (exponent = 7; exponent >= 0; --exponent) { + if ((1 << exponent) <= urb->interval) + break; + } + if (exponent < 0) + return -EINVAL; + urb->interval = 1 << exponent; + + if (qh->period == 0) + qh->skel = uhci->skelqh[UHCI_SKEL_INDEX(exponent)]; + else if (qh->period != urb->interval) + return -EINVAL; /* Can't change the period */ + return uhci_submit_common(uhci, urb, qh); } /* + * Fix up the data structures following a short transfer + */ +static int uhci_fixup_short_transfer(struct uhci_hcd *uhci, + struct uhci_qh *qh, struct urb_priv *urbp) +{ + struct uhci_td *td; + struct list_head *tmp; + int ret; + + td = list_entry(urbp->td_list.prev, struct uhci_td, list); + if (qh->type == USB_ENDPOINT_XFER_CONTROL) { + + /* When a control transfer is short, we have to restart + * the queue at the status stage transaction, which is + * the last TD. */ + WARN_ON(list_empty(&urbp->td_list)); + qh->element = cpu_to_le32(td->dma_handle); + tmp = td->list.prev; + ret = -EINPROGRESS; + + } else { + + /* When a bulk/interrupt transfer is short, we have to + * fix up the toggles of the following URBs on the queue + * before restarting the queue at the next URB. */ + qh->initial_toggle = uhci_toggle(td_token(qh->post_td)) ^ 1; + uhci_fixup_toggles(qh, 1); + + if (list_empty(&urbp->td_list)) + td = qh->post_td; + qh->element = td->link; + tmp = urbp->td_list.prev; + ret = 0; + } + + /* Remove all the TDs we skipped over, from tmp back to the start */ + while (tmp != &urbp->td_list) { + td = list_entry(tmp, struct uhci_td, list); + tmp = tmp->prev; + + uhci_remove_td_from_urbp(td); + uhci_free_td(uhci, td); + } + return ret; +} + +/* + * Common result for control, bulk, and interrupt + */ +static int uhci_result_common(struct uhci_hcd *uhci, struct urb *urb) +{ + struct urb_priv *urbp = urb->hcpriv; + struct uhci_qh *qh = urbp->qh; + struct uhci_td *td, *tmp; + unsigned status; + int ret = 0; + + list_for_each_entry_safe(td, tmp, &urbp->td_list, list) { + unsigned int ctrlstat; + int len; + + ctrlstat = td_status(td); + status = uhci_status_bits(ctrlstat); + if (status & TD_CTRL_ACTIVE) + return -EINPROGRESS; + + len = uhci_actual_length(ctrlstat); + urb->actual_length += len; + + if (status) { + ret = uhci_map_status(status, + uhci_packetout(td_token(td))); + if ((debug == 1 && ret != -EPIPE) || debug > 1) { + /* Some debugging code */ + dev_dbg(&urb->dev->dev, + "%s: failed with status %x\n", + __FUNCTION__, status); + + if (debug > 1 && errbuf) { + /* Print the chain for debugging */ + uhci_show_qh(urbp->qh, errbuf, + ERRBUF_LEN, 0); + lprintk(errbuf); + } + } + + } else if (len < uhci_expected_length(td_token(td))) { + + /* We received a short packet */ + if (urb->transfer_flags & URB_SHORT_NOT_OK) + ret = -EREMOTEIO; + else if (ctrlstat & TD_CTRL_SPD) + ret = 1; + } + + uhci_remove_td_from_urbp(td); + if (qh->post_td) + uhci_free_td(uhci, qh->post_td); + qh->post_td = td; + + if (ret != 0) + goto err; + } + return ret; + +err: + if (ret < 0) { + /* In case a control transfer gets an error + * during the setup stage */ + urb->actual_length = max(urb->actual_length, 0); + + /* Note that the queue has stopped and save + * the next toggle value */ + qh->element = UHCI_PTR_TERM; + qh->is_stopped = 1; + qh->needs_fixup = (qh->type != USB_ENDPOINT_XFER_CONTROL); + qh->initial_toggle = uhci_toggle(td_token(td)) ^ + (ret == -EREMOTEIO); + + } else /* Short packet received */ + ret = uhci_fixup_short_transfer(uhci, qh, urbp); + return ret; +} + +/* * Isochronous transfers */ static int uhci_submit_isochronous(struct uhci_hcd *uhci, struct urb *urb, @@ -980,38 +987,57 @@ static int uhci_submit_isochronous(struct uhci_hcd *uhci, struct urb *urb, unsigned long destination, status; struct urb_priv *urbp = (struct urb_priv *) urb->hcpriv; - if (urb->number_of_packets > 900) /* 900? Why? */ + /* Values must not be too big (could overflow below) */ + if (urb->interval >= UHCI_NUMFRAMES || + urb->number_of_packets >= UHCI_NUMFRAMES) return -EFBIG; - status = TD_CTRL_ACTIVE | TD_CTRL_IOS; - destination = (urb->pipe & PIPE_DEVEP_MASK) | usb_packetid(urb->pipe); - - /* Figure out the starting frame number */ - if (urb->transfer_flags & URB_ISO_ASAP) { - if (list_empty(&qh->queue)) { + /* Check the period and figure out the starting frame number */ + if (qh->period == 0) { + if (urb->transfer_flags & URB_ISO_ASAP) { uhci_get_current_frame_number(uhci); - urb->start_frame = (uhci->frame_number + 10); + urb->start_frame = uhci->frame_number + 10; + } else { + i = urb->start_frame - uhci->last_iso_frame; + if (i <= 0 || i >= UHCI_NUMFRAMES) + return -EINVAL; + } + } else if (qh->period != urb->interval) { + return -EINVAL; /* Can't change the period */ - } else { /* Go right after the last one */ - struct urb *last_urb; + } else { /* Pick up where the last URB leaves off */ + if (list_empty(&qh->queue)) { + frame = qh->iso_frame; + } else { + struct urb *lurb; - last_urb = list_entry(qh->queue.prev, + lurb = list_entry(qh->queue.prev, struct urb_priv, node)->urb; - urb->start_frame = (last_urb->start_frame + - last_urb->number_of_packets * - last_urb->interval); + frame = lurb->start_frame + + lurb->number_of_packets * + lurb->interval; } - } else { - /* FIXME: Sanity check */ + if (urb->transfer_flags & URB_ISO_ASAP) + urb->start_frame = frame; + else if (urb->start_frame != frame) + return -EINVAL; } - urb->start_frame &= (UHCI_NUMFRAMES - 1); + + /* Make sure we won't have to go too far into the future */ + if (uhci_frame_before_eq(uhci->last_iso_frame + UHCI_NUMFRAMES, + urb->start_frame + urb->number_of_packets * + urb->interval)) + return -EFBIG; + + status = TD_CTRL_ACTIVE | TD_CTRL_IOS; + destination = (urb->pipe & PIPE_DEVEP_MASK) | usb_packetid(urb->pipe); for (i = 0; i < urb->number_of_packets; i++) { td = uhci_alloc_td(uhci); if (!td) return -ENOMEM; - uhci_add_td_to_urb(urb, td); + uhci_add_td_to_urbp(td, urbp); uhci_fill_td(td, status, destination | uhci_explen(urb->iso_frame_desc[i].length), urb->transfer_dma + @@ -1022,12 +1048,19 @@ static int uhci_submit_isochronous(struct uhci_hcd *uhci, struct urb *urb, td->status |= __constant_cpu_to_le32(TD_CTRL_IOC); qh->skel = uhci->skel_iso_qh; + qh->period = urb->interval; /* Add the TDs to the frame list */ frame = urb->start_frame; list_for_each_entry(td, &urbp->td_list, list) { uhci_insert_td_in_frame_list(uhci, td, frame); - frame += urb->interval; + frame += qh->period; + } + + if (list_empty(&qh->queue)) { + qh->iso_packet_desc = &urb->iso_frame_desc[0]; + qh->iso_frame = urb->start_frame; + qh->iso_status = 0; } return 0; @@ -1035,37 +1068,44 @@ static int uhci_submit_isochronous(struct uhci_hcd *uhci, struct urb *urb, static int uhci_result_isochronous(struct uhci_hcd *uhci, struct urb *urb) { - struct uhci_td *td; - struct urb_priv *urbp = (struct urb_priv *)urb->hcpriv; - int status; - int i, ret = 0; - - urb->actual_length = urb->error_count = 0; + struct uhci_td *td, *tmp; + struct urb_priv *urbp = urb->hcpriv; + struct uhci_qh *qh = urbp->qh; - i = 0; - list_for_each_entry(td, &urbp->td_list, list) { + list_for_each_entry_safe(td, tmp, &urbp->td_list, list) { + unsigned int ctrlstat; + int status; int actlength; - unsigned int ctrlstat = td_status(td); - if (ctrlstat & TD_CTRL_ACTIVE) + if (uhci_frame_before_eq(uhci->cur_iso_frame, qh->iso_frame)) return -EINPROGRESS; - actlength = uhci_actual_length(ctrlstat); - urb->iso_frame_desc[i].actual_length = actlength; - urb->actual_length += actlength; + uhci_remove_tds_from_frame(uhci, qh->iso_frame); + + ctrlstat = td_status(td); + if (ctrlstat & TD_CTRL_ACTIVE) { + status = -EXDEV; /* TD was added too late? */ + } else { + status = uhci_map_status(uhci_status_bits(ctrlstat), + usb_pipeout(urb->pipe)); + actlength = uhci_actual_length(ctrlstat); + + urb->actual_length += actlength; + qh->iso_packet_desc->actual_length = actlength; + qh->iso_packet_desc->status = status; + } - status = uhci_map_status(uhci_status_bits(ctrlstat), - usb_pipeout(urb->pipe)); - urb->iso_frame_desc[i].status = status; if (status) { urb->error_count++; - ret = status; + qh->iso_status = status; } - i++; + uhci_remove_td_from_urbp(td); + uhci_free_td(uhci, td); + qh->iso_frame += qh->period; + ++qh->iso_packet_desc; } - - return ret; + return qh->iso_status; } static int uhci_urb_enqueue(struct usb_hcd *hcd, @@ -1099,14 +1139,14 @@ static int uhci_urb_enqueue(struct usb_hcd *hcd, } urbp->qh = qh; - switch (usb_pipetype(urb->pipe)) { - case PIPE_CONTROL: + switch (qh->type) { + case USB_ENDPOINT_XFER_CONTROL: ret = uhci_submit_control(uhci, urb, qh); break; - case PIPE_BULK: + case USB_ENDPOINT_XFER_BULK: ret = uhci_submit_bulk(uhci, urb, qh); break; - case PIPE_INTERRUPT: + case USB_ENDPOINT_XFER_INT: if (list_empty(&qh->queue)) { bustime = usb_check_bandwidth(urb->dev, urb); if (bustime < 0) @@ -1125,7 +1165,8 @@ static int uhci_urb_enqueue(struct usb_hcd *hcd, ret = uhci_submit_interrupt(uhci, urb, qh); } break; - case PIPE_ISOCHRONOUS: + case USB_ENDPOINT_XFER_ISOC: + urb->error_count = 0; bustime = usb_check_bandwidth(urb->dev, urb); if (bustime < 0) { ret = bustime; @@ -1146,9 +1187,12 @@ static int uhci_urb_enqueue(struct usb_hcd *hcd, /* If the new URB is the first and only one on this QH then either * the QH is new and idle or else it's unlinked and waiting to - * become idle, so we can activate it right away. */ - if (qh->queue.next == &urbp->node) + * become idle, so we can activate it right away. But only if the + * queue isn't stopped. */ + if (qh->queue.next == &urbp->node && !qh->is_stopped) { uhci_activate_qh(uhci, qh); + uhci_urbp_wants_fsbr(uhci, urbp); + } goto done; err_submit_failed: @@ -1168,16 +1212,26 @@ static int uhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb) struct uhci_hcd *uhci = hcd_to_uhci(hcd); unsigned long flags; struct urb_priv *urbp; + struct uhci_qh *qh; spin_lock_irqsave(&uhci->lock, flags); urbp = urb->hcpriv; if (!urbp) /* URB was never linked! */ goto done; + qh = urbp->qh; /* Remove Isochronous TDs from the frame list ASAP */ - if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) + if (qh->type == USB_ENDPOINT_XFER_ISOC) { uhci_unlink_isochronous_tds(uhci, urb); - uhci_unlink_qh(uhci, urbp->qh); + mb(); + + /* If the URB has already started, update the QH unlink time */ + uhci_get_current_frame_number(uhci); + if (uhci_frame_before_eq(urb->start_frame, uhci->frame_number)) + qh->unlink_frame = uhci->frame_number; + } + + uhci_unlink_qh(uhci, qh); done: spin_unlock_irqrestore(&uhci->lock, flags); @@ -1194,22 +1248,17 @@ __acquires(uhci->lock) { struct urb_priv *urbp = (struct urb_priv *) urb->hcpriv; - /* Isochronous TDs get unlinked directly from the frame list */ - if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) - uhci_unlink_isochronous_tds(uhci, urb); - - /* If the URB isn't first on its queue, adjust the link pointer - * of the last TD in the previous URB. */ - else if (qh->queue.next != &urbp->node) { - struct urb_priv *purbp; - struct uhci_td *ptd, *ltd; - - purbp = list_entry(urbp->node.prev, struct urb_priv, node); - ptd = list_entry(purbp->td_list.prev, struct uhci_td, - list); - ltd = list_entry(urbp->td_list.prev, struct uhci_td, - list); - ptd->link = ltd->link; + /* When giving back the first URB in an Isochronous queue, + * reinitialize the QH's iso-related members for the next URB. */ + if (qh->type == USB_ENDPOINT_XFER_ISOC && + urbp->node.prev == &qh->queue && + urbp->node.next != &qh->queue) { + struct urb *nurb = list_entry(urbp->node.next, + struct urb_priv, node)->urb; + + qh->iso_packet_desc = &nurb->iso_frame_desc[0]; + qh->iso_frame = nurb->start_frame; + qh->iso_status = 0; } /* Take the URB off the QH's queue. If the queue is now empty, @@ -1221,16 +1270,15 @@ __acquires(uhci->lock) qh->needs_fixup = 0; } - uhci_dec_fsbr(uhci, urb); /* Safe since it checks */ uhci_free_urb_priv(uhci, urbp); - switch (usb_pipetype(urb->pipe)) { - case PIPE_ISOCHRONOUS: + switch (qh->type) { + case USB_ENDPOINT_XFER_ISOC: /* Release bandwidth for Interrupt or Isoc. transfers */ if (urb->bandwidth) usb_release_bandwidth(urb->dev, urb, 1); break; - case PIPE_INTERRUPT: + case USB_ENDPOINT_XFER_INT: /* Release bandwidth for Interrupt or Isoc. transfers */ /* Make sure we don't release if we have a queued URB */ if (list_empty(&qh->queue) && urb->bandwidth) @@ -1252,6 +1300,7 @@ __acquires(uhci->lock) uhci_unlink_qh(uhci, qh); /* Bandwidth stuff not yet implemented */ + qh->period = 0; } } @@ -1273,17 +1322,10 @@ static void uhci_scan_qh(struct uhci_hcd *uhci, struct uhci_qh *qh, urbp = list_entry(qh->queue.next, struct urb_priv, node); urb = urbp->urb; - switch (usb_pipetype(urb->pipe)) { - case PIPE_CONTROL: - status = uhci_result_control(uhci, urb); - break; - case PIPE_ISOCHRONOUS: + if (qh->type == USB_ENDPOINT_XFER_ISOC) status = uhci_result_isochronous(uhci, urb); - break; - default: /* PIPE_BULK or PIPE_INTERRUPT */ + else status = uhci_result_common(uhci, urb); - break; - } if (status == -EINPROGRESS) break; @@ -1291,31 +1333,43 @@ static void uhci_scan_qh(struct uhci_hcd *uhci, struct uhci_qh *qh, if (urb->status == -EINPROGRESS) /* Not dequeued */ urb->status = status; else - status = -ECONNRESET; + status = ECONNRESET; /* Not -ECONNRESET */ spin_unlock(&urb->lock); /* Dequeued but completed URBs can't be given back unless * the QH is stopped or has finished unlinking. */ - if (status == -ECONNRESET && - !(qh->is_stopped || QH_FINISHED_UNLINKING(qh))) - return; + if (status == ECONNRESET) { + if (QH_FINISHED_UNLINKING(qh)) + qh->is_stopped = 1; + else if (!qh->is_stopped) + return; + } uhci_giveback_urb(uhci, qh, urb, regs); - if (qh->is_stopped) + if (status < 0) break; } /* If the QH is neither stopped nor finished unlinking (normal case), * our work here is done. */ - restart: - if (!(qh->is_stopped || QH_FINISHED_UNLINKING(qh))) + if (QH_FINISHED_UNLINKING(qh)) + qh->is_stopped = 1; + else if (!qh->is_stopped) return; /* Otherwise give back each of the dequeued URBs */ +restart: list_for_each_entry(urbp, &qh->queue, node) { urb = urbp->urb; if (urb->status != -EINPROGRESS) { - uhci_save_toggle(qh, urb); + + /* Fix up the TD links and save the toggles for + * non-Isochronous queues. For Isochronous queues, + * test for too-recent dequeues. */ + if (!uhci_cleanup_queue(uhci, qh, urb)) { + qh->is_stopped = 0; + return; + } uhci_giveback_urb(uhci, qh, urb, regs); goto restart; } @@ -1327,6 +1381,18 @@ static void uhci_scan_qh(struct uhci_hcd *uhci, struct uhci_qh *qh, if (!list_empty(&qh->queue)) { if (qh->needs_fixup) uhci_fixup_toggles(qh, 0); + + /* If the first URB on the queue wants FSBR but its time + * limit has expired, set the next TD to interrupt on + * completion before reactivating the QH. */ + urbp = list_entry(qh->queue.next, struct urb_priv, node); + if (urbp->fsbr && qh->wait_expired) { + struct uhci_td *td = list_entry(urbp->td_list.next, + struct uhci_td, list); + + td->status |= __cpu_to_le32(TD_CTRL_IOC); + } + uhci_activate_qh(uhci, qh); } @@ -1336,15 +1402,84 @@ static void uhci_scan_qh(struct uhci_hcd *uhci, struct uhci_qh *qh, uhci_make_qh_idle(uhci, qh); } -static void uhci_free_pending_tds(struct uhci_hcd *uhci) +/* + * Check for queues that have made some forward progress. + * Returns 0 if the queue is not Isochronous, is ACTIVE, and + * has not advanced since last examined; 1 otherwise. + * + * Early Intel controllers have a bug which causes qh->element sometimes + * not to advance when a TD completes successfully. The queue remains + * stuck on the inactive completed TD. We detect such cases and advance + * the element pointer by hand. + */ +static int uhci_advance_check(struct uhci_hcd *uhci, struct uhci_qh *qh) { - struct uhci_td *td, *tmp; + struct urb_priv *urbp = NULL; + struct uhci_td *td; + int ret = 1; + unsigned status; - list_for_each_entry_safe(td, tmp, &uhci->td_remove_list, remove_list) { - list_del_init(&td->remove_list); + if (qh->type == USB_ENDPOINT_XFER_ISOC) + goto done; - uhci_free_td(uhci, td); + /* Treat an UNLINKING queue as though it hasn't advanced. + * This is okay because reactivation will treat it as though + * it has advanced, and if it is going to become IDLE then + * this doesn't matter anyway. Furthermore it's possible + * for an UNLINKING queue not to have any URBs at all, or + * for its first URB not to have any TDs (if it was dequeued + * just as it completed). So it's not easy in any case to + * test whether such queues have advanced. */ + if (qh->state != QH_STATE_ACTIVE) { + urbp = NULL; + status = 0; + + } else { + urbp = list_entry(qh->queue.next, struct urb_priv, node); + td = list_entry(urbp->td_list.next, struct uhci_td, list); + status = td_status(td); + if (!(status & TD_CTRL_ACTIVE)) { + + /* We're okay, the queue has advanced */ + qh->wait_expired = 0; + qh->advance_jiffies = jiffies; + goto done; + } + ret = 0; + } + + /* The queue hasn't advanced; check for timeout */ + if (qh->wait_expired) + goto done; + + if (time_after(jiffies, qh->advance_jiffies + QH_WAIT_TIMEOUT)) { + + /* Detect the Intel bug and work around it */ + if (qh->post_td && qh_element(qh) == + cpu_to_le32(qh->post_td->dma_handle)) { + qh->element = qh->post_td->link; + qh->advance_jiffies = jiffies; + ret = 1; + goto done; + } + + qh->wait_expired = 1; + + /* If the current URB wants FSBR, unlink it temporarily + * so that we can safely set the next TD to interrupt on + * completion. That way we'll know as soon as the queue + * starts moving again. */ + if (urbp && urbp->fsbr && !(status & TD_CTRL_IOC)) + uhci_unlink_qh(uhci, qh); + + } else { + /* Unmoving but not-yet-expired queues keep FSBR alive */ + if (urbp) + uhci_urbp_wants_fsbr(uhci, urbp); } + +done: + return ret; } /* @@ -1361,14 +1496,13 @@ static void uhci_scan_schedule(struct uhci_hcd *uhci, struct pt_regs *regs) return; } uhci->scan_in_progress = 1; - rescan: +rescan: uhci->need_rescan = 0; + uhci->fsbr_is_wanted = 0; uhci_clear_next_interrupt(uhci); uhci_get_current_frame_number(uhci); - - if (uhci->frame_number + uhci->is_stopped != uhci->td_remove_age) - uhci_free_pending_tds(uhci); + uhci->cur_iso_frame = uhci->frame_number; /* Go through all the QH queues and process the URBs in each one */ for (i = 0; i < UHCI_NUM_SKELQH - 1; ++i) { @@ -1377,33 +1511,30 @@ static void uhci_scan_schedule(struct uhci_hcd *uhci, struct pt_regs *regs) while ((qh = uhci->next_qh) != uhci->skelqh[i]) { uhci->next_qh = list_entry(qh->node.next, struct uhci_qh, node); - uhci_scan_qh(uhci, qh, regs); + + if (uhci_advance_check(uhci, qh)) { + uhci_scan_qh(uhci, qh, regs); + if (qh->state == QH_STATE_ACTIVE) { + uhci_urbp_wants_fsbr(uhci, + list_entry(qh->queue.next, struct urb_priv, node)); + } + } } } + uhci->last_iso_frame = uhci->cur_iso_frame; if (uhci->need_rescan) goto rescan; uhci->scan_in_progress = 0; - /* If the controller is stopped, we can finish these off right now */ - if (uhci->is_stopped) - uhci_free_pending_tds(uhci); + if (uhci->fsbr_is_on && !uhci->fsbr_is_wanted && + !uhci->fsbr_expiring) { + uhci->fsbr_expiring = 1; + mod_timer(&uhci->fsbr_timer, jiffies + FSBR_OFF_DELAY); + } - if (list_empty(&uhci->td_remove_list) && - list_empty(&uhci->skel_unlink_qh->node)) + if (list_empty(&uhci->skel_unlink_qh->node)) uhci_clear_next_interrupt(uhci); else uhci_set_next_interrupt(uhci); } - -static void check_fsbr(struct uhci_hcd *uhci) -{ - /* For now, don't scan URBs for FSBR timeouts. - * Add it back in later... */ - - /* Really disable FSBR */ - if (!uhci->fsbr && uhci->fsbrtimeout && time_after_eq(jiffies, uhci->fsbrtimeout)) { - uhci->fsbrtimeout = 0; - uhci->skel_term_qh->link = UHCI_PTR_TERM; - } -} diff --git a/drivers/usb/image/microtek.c b/drivers/usb/image/microtek.c index 2a0e18a48748..b2bafc37c414 100644 --- a/drivers/usb/image/microtek.c +++ b/drivers/usb/image/microtek.c @@ -513,7 +513,7 @@ static void mts_do_sg (struct urb* transfer, struct pt_regs *regs) mts_transfer_cleanup(transfer); } - sg = context->srb->buffer; + sg = context->srb->request_buffer; context->fragment++; mts_int_submit_urb(transfer, context->data_pipe, @@ -549,19 +549,19 @@ mts_build_transfer_context( Scsi_Cmnd *srb, struct mts_desc* desc ) desc->context.fragment = 0; if (!srb->use_sg) { - if ( !srb->bufflen ){ + if ( !srb->request_bufflen ){ desc->context.data = NULL; desc->context.data_length = 0; return; } else { - desc->context.data = srb->buffer; - desc->context.data_length = srb->bufflen; + desc->context.data = srb->request_buffer; + desc->context.data_length = srb->request_bufflen; MTS_DEBUG("length = %d or %d\n", srb->request_bufflen, srb->bufflen); } } else { MTS_DEBUG("Using scatter/gather\n"); - sg = srb->buffer; + sg = srb->request_buffer; desc->context.data = page_address(sg[0].page) + sg[0].offset; desc->context.data_length = sg[0].length; } diff --git a/drivers/usb/input/acecad.c b/drivers/usb/input/acecad.c index df29b8078b54..18c10e150ef3 100644 --- a/drivers/usb/input/acecad.c +++ b/drivers/usb/input/acecad.c @@ -27,11 +27,9 @@ #include <linux/kernel.h> #include <linux/slab.h> -#include <linux/input.h> #include <linux/module.h> #include <linux/init.h> -#include <linux/usb.h> -#include <linux/usb_input.h> +#include <linux/usb/input.h> /* * Version Information diff --git a/drivers/usb/input/aiptek.c b/drivers/usb/input/aiptek.c index a6693b0d1c4c..b138dae2b055 100644 --- a/drivers/usb/input/aiptek.c +++ b/drivers/usb/input/aiptek.c @@ -73,11 +73,9 @@ #include <linux/jiffies.h> #include <linux/kernel.h> #include <linux/slab.h> -#include <linux/input.h> #include <linux/module.h> #include <linux/init.h> -#include <linux/usb.h> -#include <linux/usb_input.h> +#include <linux/usb/input.h> #include <linux/sched.h> #include <asm/uaccess.h> #include <asm/unaligned.h> diff --git a/drivers/usb/input/appletouch.c b/drivers/usb/input/appletouch.c index c222ed13deab..36855062eacc 100644 --- a/drivers/usb/input/appletouch.c +++ b/drivers/usb/input/appletouch.c @@ -1,5 +1,5 @@ /* - * Apple USB Touchpad (for post-February 2005 PowerBooks) driver + * Apple USB Touchpad (for post-February 2005 PowerBooks and MacBooks) driver * * Copyright (C) 2001-2004 Greg Kroah-Hartman (greg@kroah.com) * Copyright (C) 2005 Johannes Berg (johannes@sipsolutions.net) @@ -7,6 +7,7 @@ * Copyright (C) 2005 Frank Arnold (frank@scirocco-5v-turbo.de) * Copyright (C) 2005 Peter Osterlund (petero2@telia.com) * Copyright (C) 2005 Michael Hanselmann (linux-kernel@hansmi.ch) + * Copyright (C) 2006 Nicolas Boichat (nicolas@boichat.ch) * * Thanks to Alex Harper <basilisk@foobox.net> for his inputs. * @@ -32,9 +33,7 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/module.h> -#include <linux/usb.h> -#include <linux/input.h> -#include <linux/usb_input.h> +#include <linux/usb/input.h> /* Apple has powerbooks which have the keyboard with different Product IDs */ #define APPLE_VENDOR_ID 0x05AC @@ -44,6 +43,11 @@ #define GEYSER_ISO_PRODUCT_ID 0x0215 #define GEYSER_JIS_PRODUCT_ID 0x0216 +/* MacBook devices */ +#define GEYSER3_ANSI_PRODUCT_ID 0x0217 +#define GEYSER3_ISO_PRODUCT_ID 0x0218 +#define GEYSER3_JIS_PRODUCT_ID 0x0219 + #define ATP_DEVICE(prod) \ .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \ USB_DEVICE_ID_MATCH_INT_CLASS | \ @@ -65,6 +69,10 @@ static struct usb_device_id atp_table [] = { { ATP_DEVICE(GEYSER_ISO_PRODUCT_ID) }, { ATP_DEVICE(GEYSER_JIS_PRODUCT_ID) }, + { ATP_DEVICE(GEYSER3_ANSI_PRODUCT_ID) }, + { ATP_DEVICE(GEYSER3_ISO_PRODUCT_ID) }, + { ATP_DEVICE(GEYSER3_JIS_PRODUCT_ID) }, + /* Terminating entry */ { } }; @@ -101,6 +109,13 @@ MODULE_DEVICE_TABLE (usb, atp_table); */ #define ATP_THRESHOLD 5 +/* MacBook Pro (Geyser 3) initialization constants */ +#define ATP_GEYSER3_MODE_READ_REQUEST_ID 1 +#define ATP_GEYSER3_MODE_WRITE_REQUEST_ID 9 +#define ATP_GEYSER3_MODE_REQUEST_VALUE 0x300 +#define ATP_GEYSER3_MODE_REQUEST_INDEX 0 +#define ATP_GEYSER3_MODE_VENDOR_VALUE 0x04 + /* Structure to hold all of our device specific stuff */ struct atp { char phys[64]; @@ -147,13 +162,22 @@ MODULE_PARM_DESC(debug, "Activate debugging output"); /* Checks if the device a Geyser 2 (ANSI, ISO, JIS) */ static inline int atp_is_geyser_2(struct atp *dev) { - int16_t productId = le16_to_cpu(dev->udev->descriptor.idProduct); + u16 productId = le16_to_cpu(dev->udev->descriptor.idProduct); return (productId == GEYSER_ANSI_PRODUCT_ID) || (productId == GEYSER_ISO_PRODUCT_ID) || (productId == GEYSER_JIS_PRODUCT_ID); } +static inline int atp_is_geyser_3(struct atp *dev) +{ + u16 productId = le16_to_cpu(dev->udev->descriptor.idProduct); + + return (productId == GEYSER3_ANSI_PRODUCT_ID) || + (productId == GEYSER3_ISO_PRODUCT_ID) || + (productId == GEYSER3_JIS_PRODUCT_ID); +} + static int atp_calculate_abs(int *xy_sensors, int nb_sensors, int fact, int *z, int *fingers) { @@ -219,12 +243,33 @@ static void atp_complete(struct urb* urb, struct pt_regs* regs) /* drop incomplete datasets */ if (dev->urb->actual_length != dev->datalen) { - dprintk("appletouch: incomplete data package.\n"); + dprintk("appletouch: incomplete data package" + " (first byte: %d, length: %d).\n", + dev->data[0], dev->urb->actual_length); goto exit; } /* reorder the sensors values */ - if (atp_is_geyser_2(dev)) { + if (atp_is_geyser_3(dev)) { + memset(dev->xy_cur, 0, sizeof(dev->xy_cur)); + + /* + * The values are laid out like this: + * -, Y1, Y2, -, Y3, Y4, -, ..., -, X1, X2, -, X3, X4, ... + * '-' is an unused value. + */ + + /* read X values */ + for (i = 0, j = 19; i < 20; i += 2, j += 3) { + dev->xy_cur[i] = dev->data[j + 1]; + dev->xy_cur[i + 1] = dev->data[j + 2]; + } + /* read Y values */ + for (i = 0, j = 1; i < 9; i += 2, j += 3) { + dev->xy_cur[ATP_XSENSORS + i] = dev->data[j + 1]; + dev->xy_cur[ATP_XSENSORS + i + 1] = dev->data[j + 2]; + } + } else if (atp_is_geyser_2(dev)) { memset(dev->xy_cur, 0, sizeof(dev->xy_cur)); /* @@ -267,6 +312,9 @@ static void atp_complete(struct urb* urb, struct pt_regs* regs) dev->x_old = dev->y_old = -1; memcpy(dev->xy_old, dev->xy_cur, sizeof(dev->xy_old)); + if (atp_is_geyser_3(dev)) /* No 17" Macbooks (yet) */ + goto exit; + /* 17" Powerbooks have extra X sensors */ for (i = (atp_is_geyser_2(dev)?15:16); i < ATP_XSENSORS; i++) { if (!dev->xy_cur[i]) continue; @@ -414,7 +462,50 @@ static int atp_probe(struct usb_interface *iface, const struct usb_device_id *id dev->udev = udev; dev->input = input_dev; dev->overflowwarn = 0; - dev->datalen = (atp_is_geyser_2(dev)?64:81); + if (atp_is_geyser_3(dev)) + dev->datalen = 64; + else if (atp_is_geyser_2(dev)) + dev->datalen = 64; + else + dev->datalen = 81; + + if (atp_is_geyser_3(dev)) { + /* + * By default Geyser 3 device sends standard USB HID mouse + * packets (Report ID 2). This code changes device mode, so it + * sends raw sensor reports (Report ID 5). + */ + char data[8]; + int size; + + size = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), + ATP_GEYSER3_MODE_READ_REQUEST_ID, + USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE, + ATP_GEYSER3_MODE_REQUEST_VALUE, + ATP_GEYSER3_MODE_REQUEST_INDEX, &data, 8, 5000); + + if (size != 8) { + err("Could not do mode read request from device" + " (Geyser 3 mode)"); + goto err_free_devs; + } + + /* Apply the mode switch */ + data[0] = ATP_GEYSER3_MODE_VENDOR_VALUE; + + size = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + ATP_GEYSER3_MODE_WRITE_REQUEST_ID, + USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, + ATP_GEYSER3_MODE_REQUEST_VALUE, + ATP_GEYSER3_MODE_REQUEST_INDEX, &data, 8, 5000); + + if (size != 8) { + err("Could not do mode write request to device" + " (Geyser 3 mode)"); + goto err_free_devs; + } + printk("appletouch Geyser 3 inited.\n"); + } dev->urb = usb_alloc_urb(0, GFP_KERNEL); if (!dev->urb) { @@ -447,7 +538,15 @@ static int atp_probe(struct usb_interface *iface, const struct usb_device_id *id set_bit(EV_ABS, input_dev->evbit); - if (atp_is_geyser_2(dev)) { + if (atp_is_geyser_3(dev)) { + /* + * MacBook have 20 X sensors, 10 Y sensors + */ + input_set_abs_params(input_dev, ABS_X, 0, + ((20 - 1) * ATP_XFACT) - 1, ATP_FUZZ, 0); + input_set_abs_params(input_dev, ABS_Y, 0, + ((10 - 1) * ATP_YFACT) - 1, ATP_FUZZ, 0); + } else if (atp_is_geyser_2(dev)) { /* * Oct 2005 15" PowerBooks have 15 X sensors, 17" are detected * later. diff --git a/drivers/usb/input/ati_remote.c b/drivers/usb/input/ati_remote.c index 99f986cb6e95..07c8c0e665dd 100644 --- a/drivers/usb/input/ati_remote.c +++ b/drivers/usb/input/ati_remote.c @@ -92,9 +92,7 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/moduleparam.h> -#include <linux/input.h> -#include <linux/usb.h> -#include <linux/usb_input.h> +#include <linux/usb/input.h> #include <linux/wait.h> #include <linux/jiffies.h> diff --git a/drivers/usb/input/ati_remote2.c b/drivers/usb/input/ati_remote2.c index ab1a1ae24be9..ea71de81ca6b 100644 --- a/drivers/usb/input/ati_remote2.c +++ b/drivers/usb/input/ati_remote2.c @@ -8,7 +8,7 @@ * as published by the Free Software Foundation. */ -#include <linux/usb_input.h> +#include <linux/usb/input.h> #define DRIVER_DESC "ATI/Philips USB RF remote driver" #define DRIVER_VERSION "0.1" diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c index 435273e7c85c..b9fb9687f926 100644 --- a/drivers/usb/input/hid-core.c +++ b/drivers/usb/input/hid-core.c @@ -944,21 +944,28 @@ static void hid_reset(void *_hid) dev_dbg(&hid->intf->dev, "resetting device\n"); rc = rc_lock = usb_lock_device_for_reset(hid->dev, hid->intf); if (rc_lock >= 0) { - rc = usb_reset_device(hid->dev); + rc = usb_reset_composite_device(hid->dev, hid->intf); if (rc_lock) usb_unlock_device(hid->dev); } clear_bit(HID_RESET_PENDING, &hid->iofl); - if (rc == 0) { - hid->retry_delay = 0; - if (hid_start_in(hid)) + switch (rc) { + case 0: + if (!test_bit(HID_IN_RUNNING, &hid->iofl)) hid_io_error(hid); - } else if (!(rc == -ENODEV || rc == -EHOSTUNREACH || rc == -EINTR)) + break; + default: err("can't reset device, %s-%s/input%d, status %d", hid->dev->bus->bus_name, hid->dev->devpath, hid->ifnum, rc); + /* FALLTHROUGH */ + case -EHOSTUNREACH: + case -ENODEV: + case -EINTR: + break; + } } /* Main I/O error handler */ @@ -1374,9 +1381,6 @@ void hid_close(struct hid_device *hid) #define USB_VENDOR_ID_PANJIT 0x134c -#define USB_VENDOR_ID_SILVERCREST 0x062a -#define USB_DEVICE_ID_SILVERCREST_KB 0x0201 - /* * Initialize all reports */ @@ -1461,9 +1465,6 @@ void hid_init_reports(struct hid_device *hid) #define USB_VENDOR_ID_ONTRAK 0x0a07 #define USB_DEVICE_ID_ONTRAK_ADU100 0x0064 -#define USB_VENDOR_ID_TANGTOP 0x0d3d -#define USB_DEVICE_ID_TANGTOP_USBPS2 0x0001 - #define USB_VENDOR_ID_ESSENTIAL_REALITY 0x0d7f #define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100 @@ -1520,12 +1521,6 @@ void hid_init_reports(struct hid_device *hid) #define USB_DEVICE_ID_MCC_PMD1024LS 0x0076 #define USB_DEVICE_ID_MCC_PMD1208LS 0x007a -#define USB_VENDOR_ID_CHICONY 0x04f2 -#define USB_DEVICE_ID_CHICONY_USBHUB_KB 0x0100 - -#define USB_VENDOR_ID_BTC 0x046e -#define USB_DEVICE_ID_BTC_KEYBOARD 0x5303 - #define USB_VENDOR_ID_VERNIER 0x08f7 #define USB_DEVICE_ID_VERNIER_LABPRO 0x0001 #define USB_DEVICE_ID_VERNIER_GOTEMP 0x0002 @@ -1549,20 +1544,13 @@ void hid_init_reports(struct hid_device *hid) #define USB_DEVICE_ID_LD_MACHINETEST 0x2040 #define USB_VENDOR_ID_APPLE 0x05ac -#define USB_DEVICE_ID_APPLE_POWERMOUSE 0x0304 +#define USB_DEVICE_ID_APPLE_MIGHTYMOUSE 0x0304 #define USB_VENDOR_ID_CHERRY 0x046a #define USB_DEVICE_ID_CHERRY_CYMOTION 0x0023 -#define USB_VENDOR_ID_HP 0x03f0 -#define USB_DEVICE_ID_HP_USBHUB_KB 0x020c - -#define USB_VENDOR_ID_IBM 0x04b3 -#define USB_DEVICE_ID_IBM_USBHUB_KB 0x3005 - -#define USB_VENDOR_ID_CREATIVELABS 0x062a -#define USB_DEVICE_ID_CREATIVELABS_SILVERCREST 0x0201 - +#define USB_VENDOR_ID_YEALINK 0x6993 +#define USB_DEVICE_ID_YEALINK_P1K_P4K_B2K 0xb001 /* * Alphabetically sorted blacklist by quirk type. */ @@ -1671,6 +1659,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_DTF + 3, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20, HID_QUIRK_IGNORE }, + { USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302, HID_QUIRK_IGNORE }, @@ -1680,16 +1669,9 @@ static const struct hid_blacklist { { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET }, - { USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_KEYBOARD, HID_QUIRK_NOGET}, - { USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_USBHUB_KB, HID_QUIRK_NOGET}, - { USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_CREATIVELABS_SILVERCREST, HID_QUIRK_NOGET }, - { USB_VENDOR_ID_HP, USB_DEVICE_ID_HP_USBHUB_KB, HID_QUIRK_NOGET }, - { USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_USBHUB_KB, HID_QUIRK_NOGET }, - { USB_VENDOR_ID_TANGTOP, USB_DEVICE_ID_TANGTOP_USBPS2, HID_QUIRK_NOGET }, { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT }, - { USB_VENDOR_ID_SILVERCREST, USB_DEVICE_ID_SILVERCREST_KB, HID_QUIRK_NOGET }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_POWERMOUSE, HID_QUIRK_2WHEEL_POWERMOUSE }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE, HID_QUIRK_MIGHTYMOUSE | HID_QUIRK_INVERT_HWHEEL }, { USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU, HID_QUIRK_2WHEEL_MOUSE_HACK_7 }, { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE, HID_QUIRK_2WHEEL_MOUSE_HACK_5 }, @@ -1711,6 +1693,9 @@ static const struct hid_blacklist { { USB_VENDOR_ID_APPLE, 0x0214, HID_QUIRK_POWERBOOK_HAS_FN }, { USB_VENDOR_ID_APPLE, 0x0215, HID_QUIRK_POWERBOOK_HAS_FN }, { USB_VENDOR_ID_APPLE, 0x0216, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, 0x0217, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, 0x0218, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, 0x0219, HID_QUIRK_POWERBOOK_HAS_FN }, { USB_VENDOR_ID_APPLE, 0x030A, HID_QUIRK_POWERBOOK_HAS_FN }, { USB_VENDOR_ID_APPLE, 0x030B, HID_QUIRK_POWERBOOK_HAS_FN }, @@ -1794,6 +1779,14 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) (hid_blacklist[n].idProduct == le16_to_cpu(dev->descriptor.idProduct))) quirks = hid_blacklist[n].quirks; + /* Many keyboards and mice don't like to be polled for reports, + * so we will always set the HID_QUIRK_NOGET flag for them. */ + if (interface->desc.bInterfaceSubClass == USB_INTERFACE_SUBCLASS_BOOT) { + if (interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_KEYBOARD || + interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE) + quirks |= HID_QUIRK_NOGET; + } + if (quirks & HID_QUIRK_IGNORE) return NULL; @@ -2080,11 +2073,29 @@ static int hid_resume(struct usb_interface *intf) int status; clear_bit(HID_SUSPENDED, &hid->iofl); + hid->retry_delay = 0; status = hid_start_in(hid); dev_dbg(&intf->dev, "resume status %d\n", status); return status; } +/* Treat USB reset pretty much the same as suspend/resume */ +static void hid_pre_reset(struct usb_interface *intf) +{ + /* FIXME: What if the interface is already suspended? */ + hid_suspend(intf, PMSG_ON); +} + +static void hid_post_reset(struct usb_interface *intf) +{ + struct usb_device *dev = interface_to_usbdev (intf); + + hid_set_idle(dev, intf->cur_altsetting->desc.bInterfaceNumber, 0, 0); + /* FIXME: Any more reinitialization needed? */ + + hid_resume(intf); +} + static struct usb_device_id hid_usb_ids [] = { { .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS, .bInterfaceClass = USB_INTERFACE_CLASS_HID }, @@ -2099,6 +2110,8 @@ static struct usb_driver hid_driver = { .disconnect = hid_disconnect, .suspend = hid_suspend, .resume = hid_resume, + .pre_reset = hid_pre_reset, + .post_reset = hid_post_reset, .id_table = hid_usb_ids, }; diff --git a/drivers/usb/input/hid-input.c b/drivers/usb/input/hid-input.c index 25bc85f8ce39..028e1ad89f5d 100644 --- a/drivers/usb/input/hid-input.c +++ b/drivers/usb/input/hid-input.c @@ -29,9 +29,7 @@ #include <linux/module.h> #include <linux/slab.h> #include <linux/kernel.h> -#include <linux/input.h> -#include <linux/usb.h> -#include <linux/usb_input.h> +#include <linux/usb/input.h> #undef DEBUG @@ -567,16 +565,14 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel break; } - set_bit(usage->type, input->evbit); - - while (usage->code <= max && test_and_set_bit(usage->code, bit)) - usage->code = find_next_zero_bit(bit, max + 1, usage->code); - - if (usage->code > max) - goto ignore; - - if (((device->quirks & (HID_QUIRK_2WHEEL_POWERMOUSE)) && (usage->hid == 0x00010032))) - map_rel(REL_HWHEEL); + if (device->quirks & HID_QUIRK_MIGHTYMOUSE) { + if (usage->hid == HID_GD_Z) + map_rel(REL_HWHEEL); + else if (usage->code == BTN_1) + map_key(BTN_2); + else if (usage->code == BTN_2) + map_key(BTN_1); + } if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) && (usage->type == EV_REL) && (usage->code == REL_WHEEL)) @@ -586,6 +582,15 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) goto ignore; + set_bit(usage->type, input->evbit); + + while (usage->code <= max && test_and_set_bit(usage->code, bit)) + usage->code = find_next_zero_bit(bit, max + 1, usage->code); + + if (usage->code > max) + goto ignore; + + if (usage->type == EV_ABS) { int a = field->logical_minimum; @@ -647,6 +652,11 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct return; } + if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) { + input_event(input, usage->type, usage->code, -value); + return; + } + if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) { input_event(input, usage->type, REL_HWHEEL, value); return; diff --git a/drivers/usb/input/hid.h b/drivers/usb/input/hid.h index 9c62837b5b89..778e575de352 100644 --- a/drivers/usb/input/hid.h +++ b/drivers/usb/input/hid.h @@ -41,6 +41,14 @@ #define USB_INTERFACE_CLASS_HID 3 /* + * USB HID interface subclass and protocol codes + */ + +#define USB_INTERFACE_SUBCLASS_BOOT 1 +#define USB_INTERFACE_PROTOCOL_KEYBOARD 1 +#define USB_INTERFACE_PROTOCOL_MOUSE 2 + +/* * HID class requests */ @@ -247,10 +255,11 @@ struct hid_item { #define HID_QUIRK_2WHEEL_MOUSE_HACK_7 0x00000080 #define HID_QUIRK_2WHEEL_MOUSE_HACK_5 0x00000100 #define HID_QUIRK_2WHEEL_MOUSE_HACK_ON 0x00000200 -#define HID_QUIRK_2WHEEL_POWERMOUSE 0x00000400 +#define HID_QUIRK_MIGHTYMOUSE 0x00000400 #define HID_QUIRK_CYMOTION 0x00000800 #define HID_QUIRK_POWERBOOK_HAS_FN 0x00001000 #define HID_QUIRK_POWERBOOK_FN_ON 0x00002000 +#define HID_QUIRK_INVERT_HWHEEL 0x00004000 /* * This is the global environment of the parser. This information is diff --git a/drivers/usb/input/itmtouch.c b/drivers/usb/input/itmtouch.c index 7618ae5c104f..5c570cc703f3 100644 --- a/drivers/usb/input/itmtouch.c +++ b/drivers/usb/input/itmtouch.c @@ -42,11 +42,9 @@ #include <linux/config.h> #include <linux/kernel.h> #include <linux/slab.h> -#include <linux/input.h> #include <linux/module.h> #include <linux/init.h> -#include <linux/usb.h> -#include <linux/usb_input.h> +#include <linux/usb/input.h> /* only an 8 byte buffer necessary for a single packet */ #define ITM_BUFSIZE 8 diff --git a/drivers/usb/input/kbtab.c b/drivers/usb/input/kbtab.c index f6d5cead542b..604ade356ead 100644 --- a/drivers/usb/input/kbtab.c +++ b/drivers/usb/input/kbtab.c @@ -1,12 +1,9 @@ #include <linux/kernel.h> #include <linux/slab.h> -#include <linux/input.h> #include <linux/module.h> #include <linux/init.h> -#include <linux/usb.h> -#include <linux/usb_input.h> +#include <linux/usb/input.h> #include <asm/unaligned.h> -#include <asm/byteorder.h> /* * Version Information diff --git a/drivers/usb/input/keyspan_remote.c b/drivers/usb/input/keyspan_remote.c index 3d911976f378..70af985b5db9 100644 --- a/drivers/usb/input/keyspan_remote.c +++ b/drivers/usb/input/keyspan_remote.c @@ -18,9 +18,7 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/moduleparam.h> -#include <linux/input.h> -#include <linux/usb.h> -#include <linux/usb_input.h> +#include <linux/usb/input.h> #define DRIVER_VERSION "v0.1" #define DRIVER_AUTHOR "Michael Downey <downey@zymeta.com>" diff --git a/drivers/usb/input/mtouchusb.c b/drivers/usb/input/mtouchusb.c index f018953a5485..4fdee4db0729 100644 --- a/drivers/usb/input/mtouchusb.c +++ b/drivers/usb/input/mtouchusb.c @@ -42,11 +42,9 @@ #include <linux/config.h> #include <linux/kernel.h> #include <linux/slab.h> -#include <linux/input.h> #include <linux/module.h> #include <linux/init.h> -#include <linux/usb.h> -#include <linux/usb_input.h> +#include <linux/usb/input.h> #define MTOUCHUSB_MIN_XC 0x0 #define MTOUCHUSB_MAX_RAW_XC 0x4000 diff --git a/drivers/usb/input/powermate.c b/drivers/usb/input/powermate.c index fdf0f788062c..b3c0d0c3eae9 100644 --- a/drivers/usb/input/powermate.c +++ b/drivers/usb/input/powermate.c @@ -30,12 +30,10 @@ #include <linux/kernel.h> #include <linux/slab.h> -#include <linux/input.h> #include <linux/module.h> #include <linux/init.h> #include <linux/spinlock.h> -#include <linux/usb.h> -#include <linux/usb_input.h> +#include <linux/usb/input.h> #define POWERMATE_VENDOR 0x077d /* Griffin Technology, Inc. */ #define POWERMATE_PRODUCT_NEW 0x0410 /* Griffin PowerMate */ diff --git a/drivers/usb/input/touchkitusb.c b/drivers/usb/input/touchkitusb.c index 697c5e573a11..da7b0bf51aff 100644 --- a/drivers/usb/input/touchkitusb.c +++ b/drivers/usb/input/touchkitusb.c @@ -27,11 +27,9 @@ #include <linux/config.h> #include <linux/kernel.h> #include <linux/slab.h> -#include <linux/input.h> #include <linux/module.h> #include <linux/init.h> -#include <linux/usb.h> -#include <linux/usb_input.h> +#include <linux/usb/input.h> #define TOUCHKIT_MIN_XC 0x0 #define TOUCHKIT_MAX_XC 0x07ff diff --git a/drivers/usb/input/usbkbd.c b/drivers/usb/input/usbkbd.c index 2f3edc26cb50..5067a6ae650f 100644 --- a/drivers/usb/input/usbkbd.c +++ b/drivers/usb/input/usbkbd.c @@ -29,10 +29,8 @@ #include <linux/kernel.h> #include <linux/slab.h> #include <linux/module.h> -#include <linux/input.h> #include <linux/init.h> -#include <linux/usb.h> -#include <linux/usb_input.h> +#include <linux/usb/input.h> /* * Version Information diff --git a/drivers/usb/input/usbmouse.c b/drivers/usb/input/usbmouse.c index af526135d210..446935b671d9 100644 --- a/drivers/usb/input/usbmouse.c +++ b/drivers/usb/input/usbmouse.c @@ -28,11 +28,9 @@ #include <linux/kernel.h> #include <linux/slab.h> -#include <linux/input.h> #include <linux/module.h> #include <linux/init.h> -#include <linux/usb.h> -#include <linux/usb_input.h> +#include <linux/usb/input.h> /* * Version Information diff --git a/drivers/usb/input/usbtouchscreen.c b/drivers/usb/input/usbtouchscreen.c index e9a07c1e905b..3b175aa482cd 100644 --- a/drivers/usb/input/usbtouchscreen.c +++ b/drivers/usb/input/usbtouchscreen.c @@ -39,7 +39,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/usb.h> -#include <linux/usb_input.h> +#include <linux/usb/input.h> #define DRIVER_VERSION "v0.3" diff --git a/drivers/usb/input/wacom.c b/drivers/usb/input/wacom.c index cf84c6096f29..369461a70b72 100644 --- a/drivers/usb/input/wacom.c +++ b/drivers/usb/input/wacom.c @@ -69,13 +69,10 @@ #include <linux/kernel.h> #include <linux/slab.h> -#include <linux/input.h> #include <linux/module.h> #include <linux/init.h> -#include <linux/usb.h> -#include <linux/usb_input.h> +#include <linux/usb/input.h> #include <asm/unaligned.h> -#include <asm/byteorder.h> /* * Version Information diff --git a/drivers/usb/input/xpad.c b/drivers/usb/input/xpad.c index e278489a80c6..cfd4a4e04334 100644 --- a/drivers/usb/input/xpad.c +++ b/drivers/usb/input/xpad.c @@ -56,13 +56,11 @@ #include <linux/config.h> #include <linux/kernel.h> -#include <linux/input.h> #include <linux/init.h> #include <linux/slab.h> #include <linux/module.h> #include <linux/smp_lock.h> -#include <linux/usb.h> -#include <linux/usb_input.h> +#include <linux/usb/input.h> #define DRIVER_VERSION "v0.0.5" #define DRIVER_AUTHOR "Marko Friedemann <mfr@bmx-chemnitz.de>" diff --git a/drivers/usb/input/yealink.c b/drivers/usb/input/yealink.c index 37d2f0ba0319..24aedbb20f03 100644 --- a/drivers/usb/input/yealink.c +++ b/drivers/usb/input/yealink.c @@ -48,13 +48,11 @@ #include <linux/config.h> #include <linux/kernel.h> -#include <linux/input.h> #include <linux/init.h> #include <linux/slab.h> #include <linux/module.h> #include <linux/rwsem.h> -#include <linux/usb.h> -#include <linux/usb_input.h> +#include <linux/usb/input.h> #include "map_to_7segment.h" #include "yealink.h" diff --git a/drivers/usb/misc/Kconfig b/drivers/usb/misc/Kconfig index 8ba6a701e9c1..daa486dde8cf 100644 --- a/drivers/usb/misc/Kconfig +++ b/drivers/usb/misc/Kconfig @@ -88,6 +88,20 @@ config USB_LED To compile this driver as a module, choose M here: the module will be called usbled. +config USB_CY7C63 + tristate "Cypress CY7C63xxx USB driver support" + depends on USB + help + Say Y here if you want to connect a Cypress CY7C63xxx + micro controller to your computer's USB port. This driver + supports the pre-programmed devices (incl. firmware) by + AK Modul-Bus Computer GmbH. + + Please see: http://www.ak-modul-bus.de/stat/mikrocontroller.html + + To compile this driver as a module, choose M here: the + module will be called cy7c63. + config USB_CYTHERM tristate "Cypress USB thermometer driver support" depends on USB @@ -137,6 +151,15 @@ config USB_IDMOUSE See also <http://www.fs.tum.de/~echtler/idmouse/>. +config USB_APPLEDISPLAY + tristate "Apple Cinema Display support" + depends on USB + select BACKLIGHT_LCD_SUPPORT + select BACKLIGHT_CLASS_DEVICE + help + Say Y here if you want to control the backlight of Apple Cinema + Displays over USB. This driver provides a sysfs interface. + source "drivers/usb/misc/sisusbvga/Kconfig" config USB_LD diff --git a/drivers/usb/misc/Makefile b/drivers/usb/misc/Makefile index 6c693bc68e2e..f25a97227297 100644 --- a/drivers/usb/misc/Makefile +++ b/drivers/usb/misc/Makefile @@ -4,6 +4,7 @@ # obj-$(CONFIG_USB_AUERSWALD) += auerswald.o +obj-$(CONFIG_USB_CY7C63) += cy7c63.o obj-$(CONFIG_USB_CYTHERM) += cytherm.o obj-$(CONFIG_USB_EMI26) += emi26.o obj-$(CONFIG_USB_EMI62) += emi62.o @@ -17,6 +18,7 @@ obj-$(CONFIG_USB_PHIDGETSERVO) += phidgetservo.o obj-$(CONFIG_USB_RIO500) += rio500.o obj-$(CONFIG_USB_TEST) += usbtest.o obj-$(CONFIG_USB_USS720) += uss720.o +obj-$(CONFIG_USB_APPLEDISPLAY) += appledisplay.o obj-$(CONFIG_USB_SISUSBVGA) += sisusbvga/ diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c new file mode 100644 index 000000000000..bfde82f5d180 --- /dev/null +++ b/drivers/usb/misc/appledisplay.c @@ -0,0 +1,383 @@ +/* + * Apple Cinema Display driver + * + * Copyright (C) 2006 Michael Hanselmann (linux-kernel@hansmi.ch) + * + * Thanks to Caskey L. Dickson for his work with acdctl. + * + * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/usb.h> +#include <linux/backlight.h> +#include <linux/timer.h> +#include <linux/workqueue.h> +#include <asm/atomic.h> +#include <asm/semaphore.h> + +#define APPLE_VENDOR_ID 0x05AC + +#define USB_REQ_GET_REPORT 0x01 +#define USB_REQ_SET_REPORT 0x09 + +#define ACD_USB_TIMEOUT 250 + +#define ACD_USB_EDID 0x0302 +#define ACD_USB_BRIGHTNESS 0x0310 + +#define ACD_BTN_NONE 0 +#define ACD_BTN_BRIGHT_UP 3 +#define ACD_BTN_BRIGHT_DOWN 4 + +#define ACD_URB_BUFFER_LEN 2 +#define ACD_MSG_BUFFER_LEN 2 + +#define APPLEDISPLAY_DEVICE(prod) \ + .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \ + USB_DEVICE_ID_MATCH_INT_CLASS | \ + USB_DEVICE_ID_MATCH_INT_PROTOCOL, \ + .idVendor = APPLE_VENDOR_ID, \ + .idProduct = (prod), \ + .bInterfaceClass = USB_CLASS_HID, \ + .bInterfaceProtocol = 0x00 + +/* table of devices that work with this driver */ +static struct usb_device_id appledisplay_table [] = { + { APPLEDISPLAY_DEVICE(0x9218) }, + { APPLEDISPLAY_DEVICE(0x9219) }, + { APPLEDISPLAY_DEVICE(0x921d) }, + + /* Terminating entry */ + { } +}; +MODULE_DEVICE_TABLE(usb, appledisplay_table); + +/* Structure to hold all of our device specific stuff */ +struct appledisplay { + struct usb_device *udev; /* usb device */ + struct urb *urb; /* usb request block */ + struct backlight_device *bd; /* backlight device */ + char *urbdata; /* interrupt URB data buffer */ + char *msgdata; /* control message data buffer */ + + struct work_struct work; + int button_pressed; + spinlock_t lock; +}; + +static atomic_t count_displays = ATOMIC_INIT(0); +static struct workqueue_struct *wq; + +static void appledisplay_complete(struct urb *urb, struct pt_regs *regs) +{ + struct appledisplay *pdata = urb->context; + unsigned long flags; + int retval; + + switch (urb->status) { + case 0: + /* success */ + break; + case -EOVERFLOW: + printk(KERN_ERR "appletouch: OVERFLOW with data " + "length %d, actual length is %d\n", + ACD_URB_BUFFER_LEN, pdata->urb->actual_length); + case -ECONNRESET: + case -ENOENT: + case -ESHUTDOWN: + /* This urb is terminated, clean up */ + dbg("%s - urb shutting down with status: %d", + __FUNCTION__, urb->status); + return; + default: + dbg("%s - nonzero urb status received: %d", + __FUNCTION__, urb->status); + goto exit; + } + + spin_lock_irqsave(&pdata->lock, flags); + + switch(pdata->urbdata[1]) { + case ACD_BTN_BRIGHT_UP: + case ACD_BTN_BRIGHT_DOWN: + pdata->button_pressed = 1; + queue_work(wq, &pdata->work); + break; + case ACD_BTN_NONE: + default: + pdata->button_pressed = 0; + break; + } + + spin_unlock_irqrestore(&pdata->lock, flags); + +exit: + retval = usb_submit_urb(pdata->urb, GFP_ATOMIC); + if (retval) { + err("%s - usb_submit_urb failed with result %d", + __FUNCTION__, retval); + } +} + +static int appledisplay_bl_update_status(struct backlight_device *bd) +{ + struct appledisplay *pdata = class_get_devdata(&bd->class_dev); + int retval; + + pdata->msgdata[0] = 0x10; + pdata->msgdata[1] = bd->props->brightness; + + retval = usb_control_msg( + pdata->udev, + usb_sndctrlpipe(pdata->udev, 0), + USB_REQ_SET_REPORT, + USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, + ACD_USB_BRIGHTNESS, + 0, + pdata->msgdata, 2, + ACD_USB_TIMEOUT); + + return retval; +} + +static int appledisplay_bl_get_brightness(struct backlight_device *bd) +{ + struct appledisplay *pdata = class_get_devdata(&bd->class_dev); + int retval; + + retval = usb_control_msg( + pdata->udev, + usb_rcvctrlpipe(pdata->udev, 0), + USB_REQ_GET_REPORT, + USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE, + ACD_USB_BRIGHTNESS, + 0, + pdata->msgdata, 2, + ACD_USB_TIMEOUT); + + if (retval < 0) + return retval; + else + return pdata->msgdata[1]; +} + +static struct backlight_properties appledisplay_bl_data = { + .owner = THIS_MODULE, + .get_brightness = appledisplay_bl_get_brightness, + .update_status = appledisplay_bl_update_status, + .max_brightness = 0xFF +}; + +static void appledisplay_work(void *private) +{ + struct appledisplay *pdata = private; + int retval; + + up(&pdata->bd->sem); + retval = appledisplay_bl_get_brightness(pdata->bd); + if (retval >= 0) + pdata->bd->props->brightness = retval; + down(&pdata->bd->sem); + + /* Poll again in about 125ms if there's still a button pressed */ + if (pdata->button_pressed) + schedule_delayed_work(&pdata->work, HZ / 8); +} + +static int appledisplay_probe(struct usb_interface *iface, + const struct usb_device_id *id) +{ + struct appledisplay *pdata; + struct usb_device *udev = interface_to_usbdev(iface); + struct usb_host_interface *iface_desc; + struct usb_endpoint_descriptor *endpoint; + int int_in_endpointAddr = 0; + int i, retval = -ENOMEM, brightness; + char bl_name[20]; + + /* set up the endpoint information */ + /* use only the first interrupt-in endpoint */ + iface_desc = iface->cur_altsetting; + for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) { + endpoint = &iface_desc->endpoint[i].desc; + if (!int_in_endpointAddr && + (endpoint->bEndpointAddress & USB_DIR_IN) && + ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == + USB_ENDPOINT_XFER_INT)) { + /* we found an interrupt in endpoint */ + int_in_endpointAddr = endpoint->bEndpointAddress; + break; + } + } + if (!int_in_endpointAddr) { + err("Could not find int-in endpoint"); + return -EIO; + } + + /* allocate memory for our device state and initialize it */ + pdata = kzalloc(sizeof(struct appledisplay), GFP_KERNEL); + if (!pdata) { + retval = -ENOMEM; + err("Out of memory"); + goto error; + } + + pdata->udev = udev; + + spin_lock_init(&pdata->lock); + INIT_WORK(&pdata->work, appledisplay_work, pdata); + + /* Allocate buffer for control messages */ + pdata->msgdata = kmalloc(ACD_MSG_BUFFER_LEN, GFP_KERNEL); + if (!pdata->msgdata) { + retval = -ENOMEM; + err("appledisplay: Allocating buffer for control messages " + "failed"); + goto error; + } + + /* Allocate interrupt URB */ + pdata->urb = usb_alloc_urb(0, GFP_KERNEL); + if (!pdata->urb) { + retval = -ENOMEM; + err("appledisplay: Allocating URB failed"); + goto error; + } + + /* Allocate buffer for interrupt data */ + pdata->urbdata = usb_buffer_alloc(pdata->udev, ACD_URB_BUFFER_LEN, + GFP_KERNEL, &pdata->urb->transfer_dma); + if (!pdata->urbdata) { + retval = -ENOMEM; + err("appledisplay: Allocating URB buffer failed"); + goto error; + } + + /* Configure interrupt URB */ + usb_fill_int_urb(pdata->urb, udev, + usb_rcvintpipe(udev, int_in_endpointAddr), + pdata->urbdata, ACD_URB_BUFFER_LEN, appledisplay_complete, + pdata, 1); + if (usb_submit_urb(pdata->urb, GFP_KERNEL)) { + retval = -EIO; + err("appledisplay: Submitting URB failed"); + goto error; + } + + /* Register backlight device */ + snprintf(bl_name, sizeof(bl_name), "appledisplay%d", + atomic_inc_return(&count_displays) - 1); + pdata->bd = backlight_device_register(bl_name, pdata, + &appledisplay_bl_data); + if (IS_ERR(pdata->bd)) { + err("appledisplay: Backlight registration failed"); + goto error; + } + + /* Try to get brightness */ + up(&pdata->bd->sem); + brightness = appledisplay_bl_get_brightness(pdata->bd); + down(&pdata->bd->sem); + + if (brightness < 0) { + retval = brightness; + err("appledisplay: Error while getting initial brightness: %d", retval); + goto error; + } + + /* Set brightness in backlight device */ + up(&pdata->bd->sem); + pdata->bd->props->brightness = brightness; + down(&pdata->bd->sem); + + /* save our data pointer in the interface device */ + usb_set_intfdata(iface, pdata); + + printk(KERN_INFO "appledisplay: Apple Cinema Display connected\n"); + + return 0; + +error: + if (pdata) { + if (pdata->urb) { + usb_kill_urb(pdata->urb); + if (pdata->urbdata) + usb_buffer_free(pdata->udev, ACD_URB_BUFFER_LEN, + pdata->urbdata, pdata->urb->transfer_dma); + usb_free_urb(pdata->urb); + } + if (pdata->bd) + backlight_device_unregister(pdata->bd); + kfree(pdata->msgdata); + } + usb_set_intfdata(iface, NULL); + kfree(pdata); + return retval; +} + +static void appledisplay_disconnect(struct usb_interface *iface) +{ + struct appledisplay *pdata = usb_get_intfdata(iface); + + if (pdata) { + usb_kill_urb(pdata->urb); + cancel_delayed_work(&pdata->work); + backlight_device_unregister(pdata->bd); + usb_buffer_free(pdata->udev, ACD_URB_BUFFER_LEN, + pdata->urbdata, pdata->urb->transfer_dma); + usb_free_urb(pdata->urb); + kfree(pdata->msgdata); + kfree(pdata); + } + + printk(KERN_INFO "appledisplay: Apple Cinema Display disconnected\n"); +} + +static struct usb_driver appledisplay_driver = { + .name = "appledisplay", + .probe = appledisplay_probe, + .disconnect = appledisplay_disconnect, + .id_table = appledisplay_table, +}; + +static int __init appledisplay_init(void) +{ + wq = create_singlethread_workqueue("appledisplay"); + if (!wq) { + err("Could not create work queue\n"); + return -ENOMEM; + } + + return usb_register(&appledisplay_driver); +} + +static void __exit appledisplay_exit(void) +{ + flush_workqueue(wq); + destroy_workqueue(wq); + usb_deregister(&appledisplay_driver); +} + +MODULE_AUTHOR("Michael Hanselmann"); +MODULE_DESCRIPTION("Apple Cinema Display driver"); +MODULE_LICENSE("GPL"); + +module_init(appledisplay_init); +module_exit(appledisplay_exit); diff --git a/drivers/usb/misc/cy7c63.c b/drivers/usb/misc/cy7c63.c new file mode 100644 index 000000000000..8a1c10b89b76 --- /dev/null +++ b/drivers/usb/misc/cy7c63.c @@ -0,0 +1,244 @@ +/* +* cy7c63.c +* +* Copyright (c) 2006 Oliver Bock (bock@fh-wolfenbuettel.de) +* +* This driver is based on the Cypress Thermometer USB Driver by +* Marcus Maul and the 2.0 version of Greg Kroah-Hartman's +* USB Skeleton driver. +* +* Is is a generic driver for the Cypress CY7C63000 family. +* For the time being it enables you to toggle the single I/O ports +* of the device. +* +* Supported vendors: AK Modul-Bus Computer GmbH +* Supported devices: CY7C63001A-PC (to be continued...) +* Supported functions: Read/Write Ports (to be continued...) +* +* Chipsets families: CY7C63000, CY7C63001, CY7C63100, CY7C63101 +* +* +* 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. +*/ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/usb.h> + +#define DRIVER_AUTHOR "Oliver Bock (bock@fh-wolfenbuettel.de)" +#define DRIVER_DESC "Cypress CY7C63xxx USB driver" + +#define CY7C63_VENDOR_ID 0xa2c +#define CY7C63_PRODUCT_ID 0x8 + +#define CY7C63_READ_PORT 0x4 +#define CY7C63_WRITE_PORT 0x5 +#define CY7C63_READ_RAM 0x2 +#define CY7C63_WRITE_RAM 0x3 +#define CY7C63_READ_ROM 0x1 + +#define CY7C63_READ_PORT_ID0 0 +#define CY7C63_WRITE_PORT_ID0 0 +#define CY7C63_READ_PORT_ID1 0x2 +#define CY7C63_WRITE_PORT_ID1 1 + +#define CY7C63_MAX_REQSIZE 8 + + +/* table of devices that work with this driver */ +static struct usb_device_id cy7c63_table [] = { + { USB_DEVICE(CY7C63_VENDOR_ID, CY7C63_PRODUCT_ID) }, + { } +}; +MODULE_DEVICE_TABLE(usb, cy7c63_table); + +/* structure to hold all of our device specific stuff */ +struct cy7c63 { + struct usb_device * udev; + char port0; + char port1; +}; + +/* used to send usb control messages to device */ +int vendor_command(struct cy7c63 *dev, unsigned char request, + unsigned char address, unsigned char data) { + + int retval = 0; + unsigned int pipe; + unsigned char *iobuf; + + /* allocate some memory for the i/o buffer*/ + iobuf = kzalloc(CY7C63_MAX_REQSIZE, GFP_KERNEL); + if (!iobuf) { + dev_err(&dev->udev->dev, "Out of memory!\n"); + retval = -ENOMEM; + goto error; + } + + dev_dbg(&dev->udev->dev, "Sending usb_control_msg (data: %d)\n", data); + + /* prepare usb control message and send it upstream */ + pipe = usb_rcvctrlpipe(dev->udev, 0); + retval = usb_control_msg(dev->udev, pipe, request, + USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER, + address, data, iobuf, CY7C63_MAX_REQSIZE, + USB_CTRL_GET_TIMEOUT); + + /* store returned data (more READs to be added!) */ + switch (request) { + case CY7C63_READ_PORT: + if (address == CY7C63_READ_PORT_ID0) { + dev->port0 = iobuf[1]; + dev_dbg(&dev->udev->dev, + "READ_PORT0 returned: %d\n",dev->port0); + } + else if (address == CY7C63_READ_PORT_ID1) { + dev->port1 = iobuf[1]; + dev_dbg(&dev->udev->dev, + "READ_PORT1 returned: %d\n",dev->port1); + } + break; + } + + kfree(iobuf); +error: + return retval; +} + +#define get_set_port(num,read_id,write_id) \ +static ssize_t set_port##num(struct device *dev, struct device_attribute *attr, \ + const char *buf, size_t count) { \ + \ + int value; \ + int result = 0; \ + \ + struct usb_interface *intf = to_usb_interface(dev); \ + struct cy7c63 *cyp = usb_get_intfdata(intf); \ + \ + dev_dbg(&cyp->udev->dev, "WRITE_PORT%d called\n", num); \ + \ + /* validate input data */ \ + if (sscanf(buf, "%d", &value) < 1) { \ + result = -EINVAL; \ + goto error; \ + } \ + if (value>255 || value<0) { \ + result = -EINVAL; \ + goto error; \ + } \ + \ + result = vendor_command(cyp, CY7C63_WRITE_PORT, write_id, \ + (unsigned char)value); \ + \ + dev_dbg(&cyp->udev->dev, "Result of vendor_command: %d\n\n",result); \ +error: \ + return result < 0 ? result : count; \ +} \ + \ +static ssize_t get_port##num(struct device *dev, \ + struct device_attribute *attr, char *buf) { \ + \ + int result = 0; \ + \ + struct usb_interface *intf = to_usb_interface(dev); \ + struct cy7c63 *cyp = usb_get_intfdata(intf); \ + \ + dev_dbg(&cyp->udev->dev, "READ_PORT%d called\n", num); \ + \ + result = vendor_command(cyp, CY7C63_READ_PORT, read_id, 0); \ + \ + dev_dbg(&cyp->udev->dev, "Result of vendor_command: %d\n\n", result); \ + \ + return sprintf(buf, "%d", cyp->port##num); \ +} \ +static DEVICE_ATTR(port##num, S_IWUGO | S_IRUGO, get_port##num, set_port##num); + +get_set_port(0, CY7C63_READ_PORT_ID0, CY7C63_WRITE_PORT_ID0); +get_set_port(1, CY7C63_READ_PORT_ID1, CY7C63_WRITE_PORT_ID1); + +static int cy7c63_probe(struct usb_interface *interface, + const struct usb_device_id *id) { + + struct cy7c63 *dev = NULL; + int retval = -ENOMEM; + + /* allocate memory for our device state and initialize it */ + dev = kzalloc(sizeof(*dev), GFP_KERNEL); + if (dev == NULL) { + dev_err(&dev->udev->dev, "Out of memory!\n"); + goto error; + } + + dev->udev = usb_get_dev(interface_to_usbdev(interface)); + + /* save our data pointer in this interface device */ + usb_set_intfdata(interface, dev); + + /* create device attribute files */ + device_create_file(&interface->dev, &dev_attr_port0); + device_create_file(&interface->dev, &dev_attr_port1); + + /* let the user know what node this device is now attached to */ + dev_info(&interface->dev, + "Cypress CY7C63xxx device now attached\n"); + + retval = 0; +error: + return retval; +} + +static void cy7c63_disconnect(struct usb_interface *interface) { + + struct cy7c63 *dev; + + dev = usb_get_intfdata(interface); + usb_set_intfdata(interface, NULL); + + /* remove device attribute files */ + device_remove_file(&interface->dev, &dev_attr_port0); + device_remove_file(&interface->dev, &dev_attr_port1); + + usb_put_dev(dev->udev); + + dev_info(&interface->dev, + "Cypress CY7C63xxx device now disconnected\n"); + + kfree(dev); +} + +static struct usb_driver cy7c63_driver = { + .name = "cy7c63", + .probe = cy7c63_probe, + .disconnect = cy7c63_disconnect, + .id_table = cy7c63_table, +}; + +static int __init cy7c63_init(void) { + + int result; + + /* register this driver with the USB subsystem */ + result = usb_register(&cy7c63_driver); + if (result) { + err("Function usb_register failed! Error number: %d\n", result); + } + + return result; +} + +static void __exit cy7c63_exit(void) { + + /* deregister this driver with the USB subsystem */ + usb_deregister(&cy7c63_driver); +} + +module_init(cy7c63_init); +module_exit(cy7c63_exit); + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); + +MODULE_LICENSE("GPL"); diff --git a/drivers/usb/misc/phidgetkit.c b/drivers/usb/misc/phidgetkit.c index 997db5d8e35b..13aeea2026cc 100644 --- a/drivers/usb/misc/phidgetkit.c +++ b/drivers/usb/misc/phidgetkit.c @@ -1,7 +1,8 @@ /* * USB PhidgetInterfaceKit driver 1.0 * - * Copyright (C) 2004 Sean Young <sean@mess.org> + * Copyright (C) 2004, 2006 Sean Young <sean@mess.org> + * Copyright (C) 2005 Daniel Saakes <daniel@saakes.net> * Copyright (C) 2004 Greg Kroah-Hartman <greg@kroah.com> * * This program is free software; you can redistribute it and/or modify @@ -25,6 +26,7 @@ #define USB_VENDOR_ID_GLAB 0x06c2 #define USB_DEVICE_ID_INTERFACEKIT004 0x0040 +#define USB_DEVICE_ID_INTERFACEKIT01616 0x0044 #define USB_DEVICE_ID_INTERFACEKIT888 0x0045 #define USB_DEVICE_ID_INTERFACEKIT047 0x0051 #define USB_DEVICE_ID_INTERFACEKIT088 0x0053 @@ -32,7 +34,9 @@ #define USB_VENDOR_ID_WISEGROUP 0x0925 #define USB_DEVICE_ID_INTERFACEKIT884 0x8201 -#define MAX_INTERFACES 8 +#define MAX_INTERFACES 16 + +#define URB_INT_SIZE 8 struct driver_interfacekit { int sensors; @@ -52,19 +56,24 @@ ifkit(8, 8, 8, 0); ifkit(0, 4, 7, 1); ifkit(8, 8, 4, 0); ifkit(0, 8, 8, 1); +ifkit(0, 16, 16, 0); -struct phidget_interfacekit { +struct interfacekit { struct usb_device *udev; struct usb_interface *intf; struct driver_interfacekit *ifkit; - int outputs[MAX_INTERFACES]; - int inputs[MAX_INTERFACES]; - int sensors[MAX_INTERFACES]; + unsigned long outputs; + u8 inputs[MAX_INTERFACES]; + u16 sensors[MAX_INTERFACES]; u8 lcd_files_on; struct urb *irq; unsigned char *data; dma_addr_t data_dma; + + struct work_struct do_notify; + unsigned long input_events; + unsigned long sensor_events; }; static struct usb_device_id id_table[] = { @@ -76,33 +85,33 @@ static struct usb_device_id id_table[] = { .driver_info = (kernel_ulong_t)&ph_047}, {USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT088), .driver_info = (kernel_ulong_t)&ph_088}, + {USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT01616), + .driver_info = (kernel_ulong_t)&ph_01616}, {USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_INTERFACEKIT884), .driver_info = (kernel_ulong_t)&ph_884}, {} }; MODULE_DEVICE_TABLE(usb, id_table); -static int change_outputs(struct phidget_interfacekit *kit, int output_num, int enable) +static int change_outputs(struct interfacekit *kit, int output_num, int enable) { - unsigned char *buffer; + u8 *buffer; int retval; - int n; + + if (enable) + set_bit(output_num, &kit->outputs); + else + clear_bit(output_num, &kit->outputs); buffer = kzalloc(4, GFP_KERNEL); if (!buffer) { - dev_err(&kit->udev->dev, "%s - out of memory\n", - __FUNCTION__); + dev_err(&kit->udev->dev, "%s - out of memory\n", __FUNCTION__); return -ENOMEM; } + buffer[0] = (u8)kit->outputs; + buffer[1] = (u8)(kit->outputs >> 8); - kit->outputs[output_num] = enable; - for (n=0; n<8; n++) { - if (kit->outputs[n]) { - buffer[0] |= 1 << n; - } - } - - dev_dbg(&kit->udev->dev, "sending data: %02x\n", buffer[0]); + dev_dbg(&kit->udev->dev, "sending data: 0x%04x\n", (u16)kit->outputs); retval = usb_control_msg(kit->udev, usb_sndctrlpipe(kit->udev, 0), @@ -116,10 +125,10 @@ static int change_outputs(struct phidget_interfacekit *kit, int output_num, int return retval < 0 ? retval : 0; } -static int change_string(struct phidget_interfacekit *kit, const char *display, unsigned char row) +static int change_string(struct interfacekit *kit, const char *display, unsigned char row) { unsigned char *buffer; - unsigned char *form_buffer; + unsigned char *form_buffer; int retval = -ENOMEM; int i,j, len, buf_ptr; @@ -175,7 +184,7 @@ exit: static ssize_t lcd_line_##number(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ { \ struct usb_interface *intf = to_usb_interface(dev); \ - struct phidget_interfacekit *kit = usb_get_intfdata(intf); \ + struct interfacekit *kit = usb_get_intfdata(intf); \ change_string(kit, buf, number - 1); \ return count; \ } \ @@ -186,7 +195,7 @@ set_lcd_line(2); static ssize_t set_backlight(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct usb_interface *intf = to_usb_interface(dev); - struct phidget_interfacekit *kit = usb_get_intfdata(intf); + struct interfacekit *kit = usb_get_intfdata(intf); int enabled; unsigned char *buffer; int retval = -ENOMEM; @@ -220,7 +229,7 @@ exit: } static DEVICE_ATTR(backlight, S_IWUGO, NULL, set_backlight); -static void remove_lcd_files(struct phidget_interfacekit *kit) +static void remove_lcd_files(struct interfacekit *kit) { if (kit->lcd_files_on) { dev_dbg(&kit->udev->dev, "Removing lcd files\n"); @@ -233,7 +242,7 @@ static void remove_lcd_files(struct phidget_interfacekit *kit) static ssize_t enable_lcd_files(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct usb_interface *intf = to_usb_interface(dev); - struct phidget_interfacekit *kit = usb_get_intfdata(intf); + struct interfacekit *kit = usb_get_intfdata(intf); int enable; if (kit->ifkit->has_lcd == 0) @@ -263,10 +272,10 @@ static DEVICE_ATTR(lcd, S_IWUGO, NULL, enable_lcd_files); static void interfacekit_irq(struct urb *urb, struct pt_regs *regs) { - struct phidget_interfacekit *kit = urb->context; + struct interfacekit *kit = urb->context; unsigned char *buffer = kit->data; + int i, level, sensor; int status; - int n; switch (urb->status) { case 0: /* success */ @@ -280,22 +289,63 @@ static void interfacekit_irq(struct urb *urb, struct pt_regs *regs) goto resubmit; } - for (n=0; n<8; n++) { - kit->inputs[n] = buffer[1] & (1 << n) ? 1 : 0; + /* digital inputs */ + if (kit->ifkit->inputs == 16) { + for (i=0; i < 8; i++) { + level = (buffer[0] >> i) & 1; + if (kit->inputs[i] != level) { + kit->inputs[i] = level; + set_bit(i, &kit->input_events); + } + level = (buffer[1] >> i) & 1; + if (kit->inputs[8 + i] != level) { + kit->inputs[8 + i] = level; + set_bit(8 + i, &kit->input_events); + } + } + } + else if (kit->ifkit->inputs == 8) { + for (i=0; i < 8; i++) { + level = (buffer[1] >> i) & 1; + if (kit->inputs[i] != level) { + kit->inputs[i] = level; + set_bit(i, &kit->input_events); + } + } } - if (buffer[0] & 1) { - kit->sensors[4] = buffer[2] + (buffer[3] & 0x0f) * 256; - kit->sensors[5] = buffer[4] + (buffer[3] & 0xf0) * 16; - kit->sensors[6] = buffer[5] + (buffer[6] & 0x0f) * 256; - kit->sensors[7] = buffer[7] + (buffer[6] & 0xf0) * 16; - } else { - kit->sensors[0] = buffer[2] + (buffer[3] & 0x0f) * 256; - kit->sensors[1] = buffer[4] + (buffer[3] & 0xf0) * 16; - kit->sensors[2] = buffer[5] + (buffer[6] & 0x0f) * 256; - kit->sensors[3] = buffer[7] + (buffer[6] & 0xf0) * 16; + /* analog inputs */ + if (kit->ifkit->sensors) { + sensor = (buffer[0] & 1) ? 4 : 0; + + level = buffer[2] + (buffer[3] & 0x0f) * 256; + if (level != kit->sensors[sensor]) { + kit->sensors[sensor] = level; + set_bit(sensor, &kit->sensor_events); + } + sensor++; + level = buffer[4] + (buffer[3] & 0xf0) * 16; + if (level != kit->sensors[sensor]) { + kit->sensors[sensor] = level; + set_bit(sensor, &kit->sensor_events); + } + sensor++; + level = buffer[5] + (buffer[6] & 0x0f) * 256; + if (level != kit->sensors[sensor]) { + kit->sensors[sensor] = level; + set_bit(sensor, &kit->sensor_events); + } + sensor++; + level = buffer[7] + (buffer[6] & 0xf0) * 16; + if (level != kit->sensors[sensor]) { + kit->sensors[sensor] = level; + set_bit(sensor, &kit->sensor_events); + } } + if (kit->input_events || kit->sensor_events) + schedule_work(&kit->do_notify); + resubmit: status = usb_submit_urb(urb, SLAB_ATOMIC); if (status) @@ -304,20 +354,40 @@ resubmit: kit->udev->devpath, status); } +static void do_notify(void *data) +{ + struct interfacekit *kit = data; + int i; + char sysfs_file[8]; + + for (i=0; i<kit->ifkit->inputs; i++) { + if (test_and_clear_bit(i, &kit->input_events)) { + sprintf(sysfs_file, "input%d", i + 1); + sysfs_notify(&kit->intf->dev.kobj, NULL, sysfs_file); + } + } + + for (i=0; i<kit->ifkit->sensors; i++) { + if (test_and_clear_bit(i, &kit->sensor_events)) { + sprintf(sysfs_file, "sensor%d", i + 1); + sysfs_notify(&kit->intf->dev.kobj, NULL, sysfs_file); + } + } +} + #define show_set_output(value) \ -static ssize_t set_output##value(struct device *dev, struct device_attribute *attr, const char *buf, \ +static ssize_t set_output##value(struct device *dev, struct device_attribute *attr, const char *buf, \ size_t count) \ { \ struct usb_interface *intf = to_usb_interface(dev); \ - struct phidget_interfacekit *kit = usb_get_intfdata(intf); \ + struct interfacekit *kit = usb_get_intfdata(intf); \ int enabled; \ int retval; \ \ - if (sscanf(buf, "%d", &enabled) < 1) { \ + if (sscanf(buf, "%d", &enabled) < 1) \ return -EINVAL; \ - } \ \ - retval = change_outputs(kit, value - 1, enabled ? 1 : 0); \ + retval = change_outputs(kit, value - 1, enabled); \ \ return retval ? retval : count; \ } \ @@ -325,9 +395,9 @@ static ssize_t set_output##value(struct device *dev, struct device_attribute *at static ssize_t show_output##value(struct device *dev, struct device_attribute *attr, char *buf) \ { \ struct usb_interface *intf = to_usb_interface(dev); \ - struct phidget_interfacekit *kit = usb_get_intfdata(intf); \ + struct interfacekit *kit = usb_get_intfdata(intf); \ \ - return sprintf(buf, "%d\n", kit->outputs[value - 1]); \ + return sprintf(buf, "%d\n", !!test_bit(value - 1, &kit->outputs));\ } \ static DEVICE_ATTR(output##value, S_IWUGO | S_IRUGO, \ show_output##value, set_output##value); @@ -338,15 +408,23 @@ show_set_output(4); show_set_output(5); show_set_output(6); show_set_output(7); -show_set_output(8); /* should be MAX_INTERFACES - 1 */ +show_set_output(8); +show_set_output(9); +show_set_output(10); +show_set_output(11); +show_set_output(12); +show_set_output(13); +show_set_output(14); +show_set_output(15); +show_set_output(16); #define show_input(value) \ static ssize_t show_input##value(struct device *dev, struct device_attribute *attr, char *buf) \ { \ struct usb_interface *intf = to_usb_interface(dev); \ - struct phidget_interfacekit *kit = usb_get_intfdata(intf); \ + struct interfacekit *kit = usb_get_intfdata(intf); \ \ - return sprintf(buf, "%d\n", kit->inputs[value - 1]); \ + return sprintf(buf, "%d\n", (int)kit->inputs[value - 1]); \ } \ static DEVICE_ATTR(input##value, S_IRUGO, show_input##value, NULL); @@ -357,15 +435,23 @@ show_input(4); show_input(5); show_input(6); show_input(7); -show_input(8); /* should be MAX_INTERFACES - 1 */ +show_input(8); +show_input(9); +show_input(10); +show_input(11); +show_input(12); +show_input(13); +show_input(14); +show_input(15); +show_input(16); #define show_sensor(value) \ static ssize_t show_sensor##value(struct device *dev, struct device_attribute *attr, char *buf) \ { \ struct usb_interface *intf = to_usb_interface(dev); \ - struct phidget_interfacekit *kit = usb_get_intfdata(intf); \ + struct interfacekit *kit = usb_get_intfdata(intf); \ \ - return sprintf(buf, "%d\n", kit->sensors[value - 1]); \ + return sprintf(buf, "%d\n", (int)kit->sensors[value - 1]); \ } \ static DEVICE_ATTR(sensor##value, S_IRUGO, show_sensor##value, NULL); @@ -376,16 +462,16 @@ show_sensor(4); show_sensor(5); show_sensor(6); show_sensor(7); -show_sensor(8); /* should be MAX_INTERFACES - 1 */ +show_sensor(8); static int interfacekit_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct usb_device *dev = interface_to_usbdev(intf); struct usb_host_interface *interface; struct usb_endpoint_descriptor *endpoint; - struct phidget_interfacekit *kit; + struct interfacekit *kit; struct driver_interfacekit *ifkit; - int pipe, maxp; + int pipe, maxp, rc = -ENOMEM; ifkit = (struct driver_interfacekit *)id->driver_info; if (!ifkit) @@ -405,29 +491,23 @@ static int interfacekit_probe(struct usb_interface *intf, const struct usb_devic maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe)); kit = kzalloc(sizeof(*kit), GFP_KERNEL); - if (kit == NULL) { - dev_err(&intf->dev, "%s - out of memory\n", __FUNCTION__); - return -ENOMEM; - } - kit->ifkit = ifkit; + if (!kit) + goto out; - kit->data = usb_buffer_alloc(dev, 8, SLAB_ATOMIC, &kit->data_dma); - if (!kit->data) { - kfree(kit); - return -ENOMEM; - } + kit->ifkit = ifkit; + kit->data = usb_buffer_alloc(dev, URB_INT_SIZE, SLAB_ATOMIC, &kit->data_dma); + if (!kit->data) + goto out; kit->irq = usb_alloc_urb(0, GFP_KERNEL); - if (!kit->irq) { - usb_buffer_free(dev, 8, kit->data, kit->data_dma); - kfree(kit); - return -ENOMEM; - } + if (!kit->irq) + goto out; kit->udev = usb_get_dev(dev); kit->intf = intf; + INIT_WORK(&kit->do_notify, do_notify, kit); usb_fill_int_urb(kit->irq, kit->udev, pipe, kit->data, - (maxp > 8 ? 8 : maxp), + maxp > URB_INT_SIZE ? URB_INT_SIZE : maxp, interfacekit_irq, kit, endpoint->bInterval); kit->irq->transfer_dma = kit->data_dma; kit->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; @@ -435,7 +515,8 @@ static int interfacekit_probe(struct usb_interface *intf, const struct usb_devic usb_set_intfdata(intf, kit); if (usb_submit_urb(kit->irq, GFP_KERNEL)) { - return -EIO; + rc = -EIO; + goto out; } if (ifkit->outputs >= 4) { @@ -444,12 +525,22 @@ static int interfacekit_probe(struct usb_interface *intf, const struct usb_devic device_create_file(&intf->dev, &dev_attr_output3); device_create_file(&intf->dev, &dev_attr_output4); } - if (ifkit->outputs == 8) { + if (ifkit->outputs >= 8) { device_create_file(&intf->dev, &dev_attr_output5); device_create_file(&intf->dev, &dev_attr_output6); device_create_file(&intf->dev, &dev_attr_output7); device_create_file(&intf->dev, &dev_attr_output8); } + if (ifkit->outputs == 16) { + device_create_file(&intf->dev, &dev_attr_output9); + device_create_file(&intf->dev, &dev_attr_output10); + device_create_file(&intf->dev, &dev_attr_output11); + device_create_file(&intf->dev, &dev_attr_output12); + device_create_file(&intf->dev, &dev_attr_output13); + device_create_file(&intf->dev, &dev_attr_output14); + device_create_file(&intf->dev, &dev_attr_output15); + device_create_file(&intf->dev, &dev_attr_output16); + } if (ifkit->inputs >= 4) { device_create_file(&intf->dev, &dev_attr_input1); @@ -457,12 +548,22 @@ static int interfacekit_probe(struct usb_interface *intf, const struct usb_devic device_create_file(&intf->dev, &dev_attr_input3); device_create_file(&intf->dev, &dev_attr_input4); } - if (ifkit->inputs == 8) { + if (ifkit->inputs >= 8) { device_create_file(&intf->dev, &dev_attr_input5); device_create_file(&intf->dev, &dev_attr_input6); device_create_file(&intf->dev, &dev_attr_input7); device_create_file(&intf->dev, &dev_attr_input8); } + if (ifkit->inputs == 16) { + device_create_file(&intf->dev, &dev_attr_input9); + device_create_file(&intf->dev, &dev_attr_input10); + device_create_file(&intf->dev, &dev_attr_input11); + device_create_file(&intf->dev, &dev_attr_input12); + device_create_file(&intf->dev, &dev_attr_input13); + device_create_file(&intf->dev, &dev_attr_input14); + device_create_file(&intf->dev, &dev_attr_input15); + device_create_file(&intf->dev, &dev_attr_input16); + } if (ifkit->sensors >= 4) { device_create_file(&intf->dev, &dev_attr_sensor1); @@ -475,9 +576,8 @@ static int interfacekit_probe(struct usb_interface *intf, const struct usb_devic device_create_file(&intf->dev, &dev_attr_sensor6); device_create_file(&intf->dev, &dev_attr_sensor7); } - if (ifkit->sensors == 8) { + if (ifkit->sensors == 8) device_create_file(&intf->dev, &dev_attr_sensor8); - } if (ifkit->has_lcd) device_create_file(&intf->dev, &dev_attr_lcd); @@ -486,29 +586,56 @@ static int interfacekit_probe(struct usb_interface *intf, const struct usb_devic ifkit->sensors, ifkit->inputs, ifkit->outputs); return 0; + +out: + if (kit) { + if (kit->irq) + usb_free_urb(kit->irq); + if (kit->data) + usb_buffer_free(dev, URB_INT_SIZE, kit->data, kit->data_dma); + kfree(kit); + } + + return rc; } static void interfacekit_disconnect(struct usb_interface *interface) { - struct phidget_interfacekit *kit; + struct interfacekit *kit; kit = usb_get_intfdata(interface); usb_set_intfdata(interface, NULL); if (!kit) return; + usb_kill_urb(kit->irq); + usb_free_urb(kit->irq); + usb_buffer_free(kit->udev, URB_INT_SIZE, kit->data, kit->data_dma); + + cancel_delayed_work(&kit->do_notify); + if (kit->ifkit->outputs >= 4) { device_remove_file(&interface->dev, &dev_attr_output1); device_remove_file(&interface->dev, &dev_attr_output2); device_remove_file(&interface->dev, &dev_attr_output3); device_remove_file(&interface->dev, &dev_attr_output4); } - if (kit->ifkit->outputs == 8) { + if (kit->ifkit->outputs >= 8) { device_remove_file(&interface->dev, &dev_attr_output5); device_remove_file(&interface->dev, &dev_attr_output6); device_remove_file(&interface->dev, &dev_attr_output7); device_remove_file(&interface->dev, &dev_attr_output8); } + if (kit->ifkit->outputs == 16) { + device_remove_file(&interface->dev, &dev_attr_output9); + device_remove_file(&interface->dev, &dev_attr_output10); + device_remove_file(&interface->dev, &dev_attr_output11); + device_remove_file(&interface->dev, &dev_attr_output12); + device_remove_file(&interface->dev, &dev_attr_output13); + device_remove_file(&interface->dev, &dev_attr_output14); + device_remove_file(&interface->dev, &dev_attr_output15); + device_remove_file(&interface->dev, &dev_attr_output16); + } if (kit->ifkit->inputs >= 4) { device_remove_file(&interface->dev, &dev_attr_input1); @@ -516,12 +643,22 @@ static void interfacekit_disconnect(struct usb_interface *interface) device_remove_file(&interface->dev, &dev_attr_input3); device_remove_file(&interface->dev, &dev_attr_input4); } - if (kit->ifkit->inputs == 8) { + if (kit->ifkit->inputs >= 8) { device_remove_file(&interface->dev, &dev_attr_input5); device_remove_file(&interface->dev, &dev_attr_input6); device_remove_file(&interface->dev, &dev_attr_input7); device_remove_file(&interface->dev, &dev_attr_input8); } + if (kit->ifkit->inputs == 16) { + device_remove_file(&interface->dev, &dev_attr_input9); + device_remove_file(&interface->dev, &dev_attr_input10); + device_remove_file(&interface->dev, &dev_attr_input11); + device_remove_file(&interface->dev, &dev_attr_input12); + device_remove_file(&interface->dev, &dev_attr_input13); + device_remove_file(&interface->dev, &dev_attr_input14); + device_remove_file(&interface->dev, &dev_attr_input15); + device_remove_file(&interface->dev, &dev_attr_input16); + } if (kit->ifkit->sensors >= 4) { device_remove_file(&interface->dev, &dev_attr_sensor1); @@ -534,19 +671,15 @@ static void interfacekit_disconnect(struct usb_interface *interface) device_remove_file(&interface->dev, &dev_attr_sensor6); device_remove_file(&interface->dev, &dev_attr_sensor7); } - if (kit->ifkit->sensors == 8) { + if (kit->ifkit->sensors == 8) device_remove_file(&interface->dev, &dev_attr_sensor8); - } + if (kit->ifkit->has_lcd) device_remove_file(&interface->dev, &dev_attr_lcd); dev_info(&interface->dev, "USB PhidgetInterfaceKit %d/%d/%d detached\n", kit->ifkit->sensors, kit->ifkit->inputs, kit->ifkit->outputs); - usb_kill_urb(kit->irq); - usb_free_urb(kit->irq); - usb_buffer_free(kit->udev, 8, kit->data, kit->data_dma); - usb_put_dev(kit->udev); kfree(kit); } diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c index 196c8794a73c..738bd7c7451f 100644 --- a/drivers/usb/misc/sisusbvga/sisusb.c +++ b/drivers/usb/misc/sisusbvga/sisusb.c @@ -37,6 +37,7 @@ */ #include <linux/config.h> +#include <linux/mutex.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/signal.h> @@ -52,6 +53,7 @@ #include <linux/vmalloc.h> #include "sisusb.h" +#include "sisusb_init.h" #ifdef INCL_SISUSB_CON #include <linux/font.h> @@ -62,36 +64,6 @@ /* Forward declarations / clean-up routines */ #ifdef INCL_SISUSB_CON -int sisusb_setreg(struct sisusb_usb_data *sisusb, int port, u8 data); -int sisusb_getreg(struct sisusb_usb_data *sisusb, int port, u8 *data); -int sisusb_setidxreg(struct sisusb_usb_data *sisusb, int port, u8 index, u8 data); -int sisusb_getidxreg(struct sisusb_usb_data *sisusb, int port, u8 index, u8 *data); -int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, int port, u8 idx, u8 myand, u8 myor); -int sisusb_setidxregor(struct sisusb_usb_data *sisusb, int port, u8 index, u8 myor); -int sisusb_setidxregand(struct sisusb_usb_data *sisusb, int port, u8 idx, u8 myand); - -int sisusb_writeb(struct sisusb_usb_data *sisusb, u32 adr, u8 data); -int sisusb_readb(struct sisusb_usb_data *sisusb, u32 adr, u8 *data); -int sisusb_writew(struct sisusb_usb_data *sisusb, u32 adr, u16 data); -int sisusb_readw(struct sisusb_usb_data *sisusb, u32 adr, u16 *data); -int sisusb_copy_memory(struct sisusb_usb_data *sisusb, char *src, - u32 dest, int length, size_t *bytes_written); - -int sisusb_reset_text_mode(struct sisusb_usb_data *sisusb, int init); - -extern int SiSUSBSetMode(struct SiS_Private *SiS_Pr, unsigned short ModeNo); -extern int SiSUSBSetVESAMode(struct SiS_Private *SiS_Pr, unsigned short VModeNo); - -extern void sisusb_init_concode(void); -extern int sisusb_console_init(struct sisusb_usb_data *sisusb, int first, int last); -extern void sisusb_console_exit(struct sisusb_usb_data *sisusb); - -extern void sisusb_set_cursor(struct sisusb_usb_data *sisusb, unsigned int location); - -extern int sisusbcon_do_font_op(struct sisusb_usb_data *sisusb, int set, int slot, - u8 *arg, int cmapsz, int ch512, int dorecalc, - struct vc_data *c, int fh, int uplock); - static int sisusb_first_vc = 0; static int sisusb_last_vc = 0; module_param_named(first, sisusb_first_vc, int, 0); @@ -102,7 +74,7 @@ MODULE_PARM_DESC(last, "Number of last console to take over (1 - MAX_NR_CONSOLES static struct usb_driver sisusb_driver; -DECLARE_MUTEX(disconnect_sem); +DEFINE_MUTEX(disconnect_mutex); static void sisusb_free_buffers(struct sisusb_usb_data *sisusb) @@ -1359,9 +1331,6 @@ sisusb_getreg(struct sisusb_usb_data *sisusb, int port, u8 *data) } #endif -#ifndef INCL_SISUSB_CON -static -#endif int sisusb_setidxreg(struct sisusb_usb_data *sisusb, int port, u8 index, u8 data) { @@ -1371,9 +1340,6 @@ sisusb_setidxreg(struct sisusb_usb_data *sisusb, int port, u8 index, u8 data) return ret; } -#ifndef INCL_SISUSB_CON -static -#endif int sisusb_getidxreg(struct sisusb_usb_data *sisusb, int port, u8 index, u8 *data) { @@ -1383,9 +1349,6 @@ sisusb_getidxreg(struct sisusb_usb_data *sisusb, int port, u8 index, u8 *data) return ret; } -#ifndef INCL_SISUSB_CON -static -#endif int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, int port, u8 idx, u8 myand, u8 myor) @@ -1415,18 +1378,12 @@ sisusb_setidxregmask(struct sisusb_usb_data *sisusb, int port, u8 idx, return ret; } -#ifndef INCL_SISUSB_CON -static -#endif int sisusb_setidxregor(struct sisusb_usb_data *sisusb, int port, u8 index, u8 myor) { return(sisusb_setidxregandor(sisusb, port, index, 0xff, myor)); } -#ifndef INCL_SISUSB_CON -static -#endif int sisusb_setidxregand(struct sisusb_usb_data *sisusb, int port, u8 idx, u8 myand) { @@ -1448,6 +1405,8 @@ sisusb_readb(struct sisusb_usb_data *sisusb, u32 adr, u8 *data) return(sisusb_read_memio_byte(sisusb, SISUSB_TYPE_MEM, adr, data)); } +#if 0 + int sisusb_writew(struct sisusb_usb_data *sisusb, u32 adr, u16 data) { @@ -1460,6 +1419,8 @@ sisusb_readw(struct sisusb_usb_data *sisusb, u32 adr, u16 *data) return(sisusb_read_memio_word(sisusb, SISUSB_TYPE_MEM, adr, data)); } +#endif /* 0 */ + int sisusb_copy_memory(struct sisusb_usb_data *sisusb, char *src, u32 dest, int length, size_t *bytes_written) @@ -2552,39 +2513,39 @@ sisusb_open(struct inode *inode, struct file *file) struct usb_interface *interface; int subminor = iminor(inode); - down(&disconnect_sem); + mutex_lock(&disconnect_mutex); if (!(interface = usb_find_interface(&sisusb_driver, subminor))) { printk(KERN_ERR "sisusb[%d]: Failed to find interface\n", subminor); - up(&disconnect_sem); + mutex_unlock(&disconnect_mutex); return -ENODEV; } if (!(sisusb = usb_get_intfdata(interface))) { - up(&disconnect_sem); + mutex_unlock(&disconnect_mutex); return -ENODEV; } - down(&sisusb->lock); + mutex_lock(&sisusb->lock); if (!sisusb->present || !sisusb->ready) { - up(&sisusb->lock); - up(&disconnect_sem); + mutex_unlock(&sisusb->lock); + mutex_unlock(&disconnect_mutex); return -ENODEV; } if (sisusb->isopen) { - up(&sisusb->lock); - up(&disconnect_sem); + mutex_unlock(&sisusb->lock); + mutex_unlock(&disconnect_mutex); return -EBUSY; } if (!sisusb->devinit) { if (sisusb->sisusb_dev->speed == USB_SPEED_HIGH) { if (sisusb_init_gfxdevice(sisusb, 0)) { - up(&sisusb->lock); - up(&disconnect_sem); + mutex_unlock(&sisusb->lock); + mutex_unlock(&disconnect_mutex); printk(KERN_ERR "sisusbvga[%d]: Failed to initialize " "device\n", @@ -2592,8 +2553,8 @@ sisusb_open(struct inode *inode, struct file *file) return -EIO; } } else { - up(&sisusb->lock); - up(&disconnect_sem); + mutex_unlock(&sisusb->lock); + mutex_unlock(&disconnect_mutex); printk(KERN_ERR "sisusbvga[%d]: Device not attached to " "USB 2.0 hub\n", @@ -2609,9 +2570,9 @@ sisusb_open(struct inode *inode, struct file *file) file->private_data = sisusb; - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); - up(&disconnect_sem); + mutex_unlock(&disconnect_mutex); return 0; } @@ -2642,14 +2603,14 @@ sisusb_release(struct inode *inode, struct file *file) struct sisusb_usb_data *sisusb; int myminor; - down(&disconnect_sem); + mutex_lock(&disconnect_mutex); if (!(sisusb = (struct sisusb_usb_data *)file->private_data)) { - up(&disconnect_sem); + mutex_unlock(&disconnect_mutex); return -ENODEV; } - down(&sisusb->lock); + mutex_lock(&sisusb->lock); if (sisusb->present) { /* Wait for all URBs to finish if device still present */ @@ -2662,12 +2623,12 @@ sisusb_release(struct inode *inode, struct file *file) sisusb->isopen = 0; file->private_data = NULL; - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); /* decrement the usage count on our device */ kref_put(&sisusb->kref, sisusb_delete); - up(&disconnect_sem); + mutex_unlock(&disconnect_mutex); return 0; } @@ -2685,11 +2646,11 @@ sisusb_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) if (!(sisusb = (struct sisusb_usb_data *)file->private_data)) return -ENODEV; - down(&sisusb->lock); + mutex_lock(&sisusb->lock); /* Sanity check */ if (!sisusb->present || !sisusb->ready || !sisusb->sisusb_dev) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return -ENODEV; } @@ -2784,7 +2745,7 @@ sisusb_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) (*ppos) <= SISUSB_PCI_PSEUDO_PCIBASE + 0x5c) { if (count != 4) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return -EINVAL; } @@ -2808,7 +2769,7 @@ sisusb_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) (*ppos) += bytes_read; - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return errno ? errno : bytes_read; } @@ -2827,11 +2788,11 @@ sisusb_write(struct file *file, const char __user *buffer, size_t count, if (!(sisusb = (struct sisusb_usb_data *)file->private_data)) return -ENODEV; - down(&sisusb->lock); + mutex_lock(&sisusb->lock); /* Sanity check */ if (!sisusb->present || !sisusb->ready || !sisusb->sisusb_dev) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return -ENODEV; } @@ -2930,7 +2891,7 @@ sisusb_write(struct file *file, const char __user *buffer, size_t count, (*ppos) <= SISUSB_PCI_PSEUDO_PCIBASE + SISUSB_PCI_PCONFSIZE) { if (count != 4) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return -EINVAL; } @@ -2956,7 +2917,7 @@ sisusb_write(struct file *file, const char __user *buffer, size_t count, (*ppos) += bytes_written; - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return errno ? errno : bytes_written; } @@ -2970,11 +2931,11 @@ sisusb_lseek(struct file *file, loff_t offset, int orig) if (!(sisusb = (struct sisusb_usb_data *)file->private_data)) return -ENODEV; - down(&sisusb->lock); + mutex_lock(&sisusb->lock); /* Sanity check */ if (!sisusb->present || !sisusb->ready || !sisusb->sisusb_dev) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return -ENODEV; } @@ -2994,7 +2955,7 @@ sisusb_lseek(struct file *file, loff_t offset, int orig) ret = -EINVAL; } - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return ret; } @@ -3136,7 +3097,7 @@ sisusb_ioctl(struct inode *inode, struct file *file, unsigned int cmd, if (!(sisusb = (struct sisusb_usb_data *)file->private_data)) return -ENODEV; - down(&sisusb->lock); + mutex_lock(&sisusb->lock); /* Sanity check */ if (!sisusb->present || !sisusb->ready || !sisusb->sisusb_dev) { @@ -3193,7 +3154,7 @@ sisusb_ioctl(struct inode *inode, struct file *file, unsigned int cmd, } err_out: - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return retval; } @@ -3258,7 +3219,7 @@ static int sisusb_probe(struct usb_interface *intf, } kref_init(&sisusb->kref); - init_MUTEX(&(sisusb->lock)); + mutex_init(&(sisusb->lock)); /* Register device */ if ((retval = usb_register_dev(intf, &usb_sisusb_class))) { @@ -3429,9 +3390,9 @@ static void sisusb_disconnect(struct usb_interface *intf) * protect all other routines from the disconnect * case, not the other way round. */ - down(&disconnect_sem); + mutex_lock(&disconnect_mutex); - down(&sisusb->lock); + mutex_lock(&sisusb->lock); /* Wait for all URBs to complete and kill them in case (MUST do) */ if (!sisusb_wait_all_out_complete(sisusb)) @@ -3462,12 +3423,12 @@ static void sisusb_disconnect(struct usb_interface *intf) sisusb->present = 0; sisusb->ready = 0; - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); /* decrement our usage count */ kref_put(&sisusb->kref, sisusb_delete); - up(&disconnect_sem); + mutex_unlock(&disconnect_mutex); printk(KERN_INFO "sisusbvga[%d]: Disconnected\n", minor); } diff --git a/drivers/usb/misc/sisusbvga/sisusb.h b/drivers/usb/misc/sisusbvga/sisusb.h index a716825d1f9b..8e1120a64806 100644 --- a/drivers/usb/misc/sisusbvga/sisusb.h +++ b/drivers/usb/misc/sisusbvga/sisusb.h @@ -41,6 +41,8 @@ #define SISUSB_NEW_CONFIG_COMPAT #endif +#include <linux/mutex.h> + /* For older kernels, support for text consoles is by default * off. To ensable text console support, change the following: */ @@ -60,11 +62,9 @@ #define INCL_SISUSB_CON 1 #endif -#ifdef INCL_SISUSB_CON #include <linux/console.h> #include <linux/vt_kern.h> #include "sisusb_struct.h" -#endif /* USB related */ @@ -116,7 +116,7 @@ struct sisusb_usb_data { struct usb_interface *interface; struct kref kref; wait_queue_head_t wait_q; /* for syncind and timeouts */ - struct semaphore lock; /* general race avoidance */ + struct mutex lock; /* general race avoidance */ unsigned int ifnum; /* interface number of the USB device */ int minor; /* minor (for logging clarity) */ int isopen; /* !=0 if open */ diff --git a/drivers/usb/misc/sisusbvga/sisusb_con.c b/drivers/usb/misc/sisusbvga/sisusb_con.c index be5c1a25ae21..fb48feca8353 100644 --- a/drivers/usb/misc/sisusbvga/sisusb_con.c +++ b/drivers/usb/misc/sisusbvga/sisusb_con.c @@ -48,6 +48,7 @@ */ #include <linux/config.h> +#include <linux/mutex.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/signal.h> @@ -69,27 +70,9 @@ #include <linux/vmalloc.h> #include "sisusb.h" +#include "sisusb_init.h" #ifdef INCL_SISUSB_CON -extern int sisusb_setreg(struct sisusb_usb_data *, int, u8); -extern int sisusb_getreg(struct sisusb_usb_data *, int, u8 *); -extern int sisusb_setidxreg(struct sisusb_usb_data *, int, u8, u8); -extern int sisusb_getidxreg(struct sisusb_usb_data *, int, u8, u8 *); -extern int sisusb_setidxregor(struct sisusb_usb_data *, int, u8, u8); -extern int sisusb_setidxregand(struct sisusb_usb_data *, int, u8, u8); -extern int sisusb_setidxregandor(struct sisusb_usb_data *, int, u8, u8, u8); - -extern int sisusb_writeb(struct sisusb_usb_data *sisusb, u32 adr, u8 data); -extern int sisusb_readb(struct sisusb_usb_data *sisusb, u32 adr, u8 *data); -extern int sisusb_writew(struct sisusb_usb_data *sisusb, u32 adr, u16 data); -extern int sisusb_readw(struct sisusb_usb_data *sisusb, u32 adr, u16 *data); -extern int sisusb_copy_memory(struct sisusb_usb_data *sisusb, char *src, - u32 dest, int length, size_t *bytes_written); - -extern void sisusb_delete(struct kref *kref); -extern int sisusb_reset_text_mode(struct sisusb_usb_data *sisusb, int init); - -extern int SiSUSBSetMode(struct SiS_Private *SiS_Pr, unsigned short ModeNo); #define sisusbcon_writew(val, addr) (*(addr) = (val)) #define sisusbcon_readw(addr) (*(addr)) @@ -102,8 +85,6 @@ static struct sisusb_usb_data *mysisusbs[MAX_NR_CONSOLES]; /* Forward declaration */ static const struct consw sisusb_con; -extern struct semaphore disconnect_sem; - static inline void sisusbcon_memsetw(u16 *s, u16 c, unsigned int count) { @@ -194,11 +175,11 @@ sisusb_get_sisusb_lock_and_check(unsigned short console) if (!(sisusb = sisusb_get_sisusb(console))) return NULL; - down(&sisusb->lock); + mutex_lock(&sisusb->lock); if (!sisusb_sisusb_valid(sisusb) || !sisusb->havethisconsole[console]) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return NULL; } @@ -236,18 +217,18 @@ sisusbcon_init(struct vc_data *c, int init) * are set up/restored. */ - down(&disconnect_sem); + mutex_lock(&disconnect_mutex); if (!(sisusb = sisusb_get_sisusb(c->vc_num))) { - up(&disconnect_sem); + mutex_unlock(&disconnect_mutex); return; } - down(&sisusb->lock); + mutex_lock(&sisusb->lock); if (!sisusb_sisusb_valid(sisusb)) { - up(&sisusb->lock); - up(&disconnect_sem); + mutex_unlock(&sisusb->lock); + mutex_unlock(&disconnect_mutex); return; } @@ -284,9 +265,9 @@ sisusbcon_init(struct vc_data *c, int init) if (!*c->vc_uni_pagedir_loc) con_set_default_unimap(c); - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); - up(&disconnect_sem); + mutex_unlock(&disconnect_mutex); if (init) { c->vc_cols = cols; @@ -306,14 +287,14 @@ sisusbcon_deinit(struct vc_data *c) * and others, ie not under our control. */ - down(&disconnect_sem); + mutex_lock(&disconnect_mutex); if (!(sisusb = sisusb_get_sisusb(c->vc_num))) { - up(&disconnect_sem); + mutex_unlock(&disconnect_mutex); return; } - down(&sisusb->lock); + mutex_lock(&sisusb->lock); /* Clear ourselves in mysisusbs */ mysisusbs[c->vc_num] = NULL; @@ -332,12 +313,12 @@ sisusbcon_deinit(struct vc_data *c) } } - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); /* decrement the usage count on our sisusb */ kref_put(&sisusb->kref, sisusb_delete); - up(&disconnect_sem); + mutex_unlock(&disconnect_mutex); } /* interface routine */ @@ -417,7 +398,7 @@ sisusbcon_putc(struct vc_data *c, int ch, int y, int x) #endif if (sisusb_is_inactive(c, sisusb)) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return; } @@ -425,7 +406,7 @@ sisusbcon_putc(struct vc_data *c, int ch, int y, int x) sisusb_copy_memory(sisusb, (char *)SISUSB_VADDR(x, y), (u32)SISUSB_HADDR(x, y), 2, &written); - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); } /* Interface routine */ @@ -453,14 +434,14 @@ sisusbcon_putcs(struct vc_data *c, const unsigned short *s, sisusbcon_writew(sisusbcon_readw(s++), dest++); if (sisusb_is_inactive(c, sisusb)) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return; } sisusb_copy_memory(sisusb, (char *)SISUSB_VADDR(x, y), (u32)SISUSB_HADDR(x, y), count * 2, &written); - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); } /* Interface routine */ @@ -504,7 +485,7 @@ sisusbcon_clear(struct vc_data *c, int y, int x, int height, int width) } if (sisusb_is_inactive(c, sisusb)) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return; } @@ -514,7 +495,7 @@ sisusbcon_clear(struct vc_data *c, int y, int x, int height, int width) sisusb_copy_memory(sisusb, (unsigned char *)SISUSB_VADDR(x, y), (u32)SISUSB_HADDR(x, y), length, &written); - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); } /* Interface routine */ @@ -576,7 +557,7 @@ sisusbcon_bmove(struct vc_data *c, int sy, int sx, #endif if (sisusb_is_inactive(c, sisusb)) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return; } @@ -586,7 +567,7 @@ sisusbcon_bmove(struct vc_data *c, int sy, int sx, sisusb_copy_memory(sisusb, (unsigned char *)SISUSB_VADDR(dx, dy), (u32)SISUSB_HADDR(dx, dy), length, &written); - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); } /* interface routine */ @@ -609,7 +590,7 @@ sisusbcon_switch(struct vc_data *c) /* Don't write to screen if in gfx mode */ if (sisusb_is_inactive(c, sisusb)) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return 0; } @@ -618,7 +599,7 @@ sisusbcon_switch(struct vc_data *c) * as origin. */ if (c->vc_origin == (unsigned long)c->vc_screenbuf) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); printk(KERN_DEBUG "sisusb: ASSERT ORIGIN != SCREENBUF!\n"); return 0; } @@ -635,7 +616,7 @@ sisusbcon_switch(struct vc_data *c) (u32)SISUSB_HADDR(0, 0), length, &written); - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return 0; } @@ -657,7 +638,7 @@ sisusbcon_save_screen(struct vc_data *c) /* sisusb->lock is down */ if (sisusb_is_inactive(c, sisusb)) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return; } @@ -669,7 +650,7 @@ sisusbcon_save_screen(struct vc_data *c) sisusbcon_memcpyw((u16 *)c->vc_screenbuf, (u16 *)c->vc_origin, length); - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); } /* interface routine */ @@ -690,7 +671,7 @@ sisusbcon_set_palette(struct vc_data *c, unsigned char *table) /* sisusb->lock is down */ if (sisusb_is_inactive(c, sisusb)) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return -EINVAL; } @@ -705,7 +686,7 @@ sisusbcon_set_palette(struct vc_data *c, unsigned char *table) break; } - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return 0; } @@ -728,7 +709,7 @@ sisusbcon_blank(struct vc_data *c, int blank, int mode_switch) sisusb->is_gfx = blank ? 1 : 0; if (sisusb_is_inactive(c, sisusb)) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return 0; } @@ -777,7 +758,7 @@ sisusbcon_blank(struct vc_data *c, int blank, int mode_switch) cr63 = 0x40; break; default: - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return -EINVAL; } @@ -788,7 +769,7 @@ sisusbcon_blank(struct vc_data *c, int blank, int mode_switch) } - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return ret; } @@ -809,7 +790,7 @@ sisusbcon_scrolldelta(struct vc_data *c, int lines) /* sisusb->lock is down */ if (sisusb_is_inactive(c, sisusb)) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return 0; } @@ -849,7 +830,7 @@ sisusbcon_scrolldelta(struct vc_data *c, int lines) sisusbcon_set_start_address(sisusb, c); - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return 1; } @@ -867,7 +848,7 @@ sisusbcon_cursor(struct vc_data *c, int mode) /* sisusb->lock is down */ if (sisusb_is_inactive(c, sisusb)) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return; } @@ -879,7 +860,7 @@ sisusbcon_cursor(struct vc_data *c, int mode) if (mode == CM_ERASE) { sisusb_setidxregor(sisusb, SISCR, 0x0a, 0x20); sisusb->sisusb_cursor_size_to = -1; - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return; } @@ -919,7 +900,7 @@ sisusbcon_cursor(struct vc_data *c, int mode) sisusb->sisusb_cursor_size_to = to; } - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); } static int @@ -961,7 +942,7 @@ sisusbcon_scroll_area(struct vc_data *c, struct sisusb_usb_data *sisusb, sisusb_copy_memory(sisusb, (char *)SISUSB_VADDR(0, t), (u32)SISUSB_HADDR(0, t), length, &written); - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return 1; } @@ -994,7 +975,7 @@ sisusbcon_scroll(struct vc_data *c, int t, int b, int dir, int lines) /* sisusb->lock is down */ if (sisusb_is_inactive(c, sisusb)) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return 0; } @@ -1084,7 +1065,7 @@ sisusbcon_scroll(struct vc_data *c, int t, int b, int dir, int lines) c->vc_pos = c->vc_pos - oldorigin + c->vc_origin; - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return 1; } @@ -1106,7 +1087,7 @@ sisusbcon_set_origin(struct vc_data *c) /* sisusb->lock is down */ if (sisusb_is_inactive(c, sisusb) || sisusb->con_blanked) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return 0; } @@ -1116,7 +1097,7 @@ sisusbcon_set_origin(struct vc_data *c) sisusb->con_rolled_over = 0; - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return 1; } @@ -1133,7 +1114,7 @@ sisusbcon_resize(struct vc_data *c, unsigned int newcols, unsigned int newrows) fh = sisusb->current_font_height; - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); /* We are quite unflexible as regards resizing. The vt code * handles sizes where the line length isn't equal the pitch @@ -1167,7 +1148,7 @@ sisusbcon_do_font_op(struct sisusb_usb_data *sisusb, int set, int slot, if ((slot != 0 && slot != 2) || !fh) { if (uplock) - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return -EINVAL; } @@ -1327,7 +1308,7 @@ sisusbcon_do_font_op(struct sisusb_usb_data *sisusb, int set, int slot, } if (uplock) - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); if (dorecalc && c) { int i, rows = c->vc_scan_lines / fh; @@ -1351,7 +1332,7 @@ sisusbcon_do_font_op(struct sisusb_usb_data *sisusb, int set, int slot, font_op_error: if (uplock) - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return -EIO; } @@ -1417,19 +1398,19 @@ sisusbcon_font_get(struct vc_data *c, struct console_font *font) font->charcount = 256; if (!font->data) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return 0; } if (!sisusb->font_backup) { - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return -ENODEV; } /* Copy 256 chars only, like vgacon */ memcpy(font->data, sisusb->font_backup, 256 * 32); - up(&sisusb->lock); + mutex_unlock(&sisusb->lock); return 0; } @@ -1486,7 +1467,7 @@ static int sisusbdummycon_dummy(void) #define SISUSBCONDUMMY (void *)sisusbdummycon_dummy -const struct consw sisusb_dummy_con = { +static const struct consw sisusb_dummy_con = { .owner = THIS_MODULE, .con_startup = sisusbdummycon_startup, .con_init = sisusbdummycon_init, @@ -1512,14 +1493,14 @@ sisusb_console_init(struct sisusb_usb_data *sisusb, int first, int last) { int i, ret, minor = sisusb->minor; - down(&disconnect_sem); + mutex_lock(&disconnect_mutex); - down(&sisusb->lock); + mutex_lock(&sisusb->lock); /* Erm.. that should not happen */ if (sisusb->haveconsole || !sisusb->SiS_Pr) { - up(&sisusb->lock); - up(&disconnect_sem); + mutex_unlock(&sisusb->lock); + mutex_unlock(&disconnect_mutex); return 1; } @@ -1529,15 +1510,15 @@ sisusb_console_init(struct sisusb_usb_data *sisusb, int first, int last) if (first > last || first > MAX_NR_CONSOLES || last > MAX_NR_CONSOLES) { - up(&sisusb->lock); - up(&disconnect_sem); + mutex_unlock(&sisusb->lock); + mutex_unlock(&disconnect_mutex); return 1; } /* If gfxcore not initialized or no consoles given, quit graciously */ if (!sisusb->gfxinit || first < 1 || last < 1) { - up(&sisusb->lock); - up(&disconnect_sem); + mutex_unlock(&sisusb->lock); + mutex_unlock(&disconnect_mutex); return 0; } @@ -1547,8 +1528,8 @@ sisusb_console_init(struct sisusb_usb_data *sisusb, int first, int last) /* Set up text mode (and upload default font) */ if (sisusb_reset_text_mode(sisusb, 1)) { - up(&sisusb->lock); - up(&disconnect_sem); + mutex_unlock(&sisusb->lock); + mutex_unlock(&disconnect_mutex); printk(KERN_ERR "sisusbvga[%d]: Failed to set up text mode\n", minor); @@ -1571,16 +1552,16 @@ sisusb_console_init(struct sisusb_usb_data *sisusb, int first, int last) /* Allocate screen buffer */ if (!(sisusb->scrbuf = (unsigned long)vmalloc(sisusb->scrbuf_size))) { - up(&sisusb->lock); - up(&disconnect_sem); + mutex_unlock(&sisusb->lock); + mutex_unlock(&disconnect_mutex); printk(KERN_ERR "sisusbvga[%d]: Failed to allocate screen buffer\n", minor); return 1; } - up(&sisusb->lock); - up(&disconnect_sem); + mutex_unlock(&sisusb->lock); + mutex_unlock(&disconnect_mutex); /* Now grab the desired console(s) */ ret = take_over_console(&sisusb_con, first - 1, last - 1, 0); diff --git a/drivers/usb/misc/sisusbvga/sisusb_init.c b/drivers/usb/misc/sisusbvga/sisusb_init.c index 044fa4482f9f..968f0d38cff7 100644 --- a/drivers/usb/misc/sisusbvga/sisusb_init.c +++ b/drivers/usb/misc/sisusbvga/sisusb_init.c @@ -74,6 +74,7 @@ SiSUSB_InitPtr(struct SiS_Private *SiS_Pr) /* HELPER: Get ModeID */ /*********************************************/ +#if 0 unsigned short SiSUSB_GetModeID(int HDisplay, int VDisplay, int Depth) { @@ -157,6 +158,7 @@ SiSUSB_GetModeID(int HDisplay, int VDisplay, int Depth) return ModeIndex; } +#endif /* 0 */ /*********************************************/ /* HELPER: SetReg, GetReg */ @@ -233,7 +235,7 @@ SiS_DisplayOn(struct SiS_Private *SiS_Pr) /* HELPER: Init Port Addresses */ /*********************************************/ -void +static void SiSUSBRegInit(struct SiS_Private *SiS_Pr, unsigned long BaseAddr) { SiS_Pr->SiS_P3c4 = BaseAddr + 0x14; diff --git a/drivers/usb/misc/sisusbvga/sisusb_init.h b/drivers/usb/misc/sisusbvga/sisusb_init.h index 5b11577835c8..f05f83268af4 100644 --- a/drivers/usb/misc/sisusbvga/sisusb_init.h +++ b/drivers/usb/misc/sisusbvga/sisusb_init.h @@ -690,7 +690,7 @@ static const struct SiS_CRT1Table SiSUSB_CRT1Table[] = 0x41}} /* 0x54 */ }; -static struct SiS_VCLKData SiSUSB_VCLKData[] = +static const struct SiS_VCLKData SiSUSB_VCLKData[] = { { 0x1b,0xe1, 25}, /* 0x00 */ { 0x4e,0xe4, 28}, /* 0x01 */ @@ -808,8 +808,8 @@ static struct SiS_VCLKData SiSUSB_VCLKData[] = { 0x2b,0xc2, 35} /* 0x71 768@576@60 */ }; -void SiSUSBRegInit(struct SiS_Private *SiS_Pr, unsigned long BaseAddr); -unsigned short SiSUSB_GetModeID(int HDisplay, int VDisplay, int Depth); +extern struct mutex disconnect_mutex; + int SiSUSBSetMode(struct SiS_Private *SiS_Pr, unsigned short ModeNo); int SiSUSBSetVESAMode(struct SiS_Private *SiS_Pr, unsigned short VModeNo); @@ -826,5 +826,19 @@ extern int sisusb_setidxregor(struct sisusb_usb_data *sisusb, int port, extern int sisusb_setidxregand(struct sisusb_usb_data *sisusb, int port, u8 idx, u8 myand); +void sisusb_delete(struct kref *kref); +int sisusb_writeb(struct sisusb_usb_data *sisusb, u32 adr, u8 data); +int sisusb_readb(struct sisusb_usb_data *sisusb, u32 adr, u8 *data); +int sisusb_copy_memory(struct sisusb_usb_data *sisusb, char *src, + u32 dest, int length, size_t *bytes_written); +int sisusb_reset_text_mode(struct sisusb_usb_data *sisusb, int init); +int sisusbcon_do_font_op(struct sisusb_usb_data *sisusb, int set, int slot, + u8 *arg, int cmapsz, int ch512, int dorecalc, + struct vc_data *c, int fh, int uplock); +void sisusb_set_cursor(struct sisusb_usb_data *sisusb, unsigned int location); +int sisusb_console_init(struct sisusb_usb_data *sisusb, int first, int last); +void sisusb_console_exit(struct sisusb_usb_data *sisusb); +void sisusb_init_concode(void); + #endif diff --git a/drivers/usb/misc/sisusbvga/sisusb_struct.h b/drivers/usb/misc/sisusbvga/sisusb_struct.h index 94edd4726c42..f325ecb29a61 100644 --- a/drivers/usb/misc/sisusbvga/sisusb_struct.h +++ b/drivers/usb/misc/sisusbvga/sisusb_struct.h @@ -161,7 +161,7 @@ struct SiS_Private const struct SiS_Ext *SiS_EModeIDTable; const struct SiS_Ext2 *SiS_RefIndex; const struct SiS_CRT1Table *SiS_CRT1Table; - struct SiS_VCLKData *SiS_VCLKData; + const struct SiS_VCLKData *SiS_VCLKData; const struct SiS_ModeResInfo *SiS_ModeResInfo; }; diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index ccc5e8238bd8..81ba14c73dc7 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -802,7 +802,9 @@ error: if (u == urb || !u->dev) continue; + spin_unlock(&ctx->lock); status = usb_unlink_urb (u); + spin_lock(&ctx->lock); switch (status) { case -EINPROGRESS: case -EBUSY: @@ -1335,7 +1337,9 @@ struct iso_context { unsigned pending; spinlock_t lock; struct completion done; + int submit_error; unsigned long errors; + unsigned long packet_count; struct usbtest_dev *dev; }; @@ -1346,10 +1350,14 @@ static void iso_callback (struct urb *urb, struct pt_regs *regs) spin_lock(&ctx->lock); ctx->count--; + ctx->packet_count += urb->number_of_packets; if (urb->error_count > 0) ctx->errors += urb->error_count; + else if (urb->status != 0) + ctx->errors += urb->number_of_packets; - if (urb->status == 0 && ctx->count > (ctx->pending - 1)) { + if (urb->status == 0 && ctx->count > (ctx->pending - 1) + && !ctx->submit_error) { int status = usb_submit_urb (urb, GFP_ATOMIC); switch (status) { case 0: @@ -1360,6 +1368,8 @@ static void iso_callback (struct urb *urb, struct pt_regs *regs) status); /* FALLTHROUGH */ case -ENODEV: /* disconnected */ + case -ESHUTDOWN: /* endpoint disabled */ + ctx->submit_error = 1; break; } } @@ -1369,8 +1379,8 @@ static void iso_callback (struct urb *urb, struct pt_regs *regs) if (ctx->pending == 0) { if (ctx->errors) dev_dbg (&ctx->dev->intf->dev, - "iso test, %lu errors\n", - ctx->errors); + "iso test, %lu errors out of %lu\n", + ctx->errors, ctx->packet_count); complete (&ctx->done); } done: @@ -1431,15 +1441,14 @@ test_iso_queue (struct usbtest_dev *dev, struct usbtest_param *param, struct usb_device *udev; unsigned i; unsigned long packets = 0; - int status; + int status = 0; struct urb *urbs[10]; /* FIXME no limit */ if (param->sglen > 10) return -EDOM; + memset(&context, 0, sizeof context); context.count = param->iterations * param->sglen; - context.pending = param->sglen; - context.errors = 0; context.dev = dev; init_completion (&context.done); spin_lock_init (&context.lock); @@ -1471,6 +1480,7 @@ test_iso_queue (struct usbtest_dev *dev, struct usbtest_param *param, spin_lock_irq (&context.lock); for (i = 0; i < param->sglen; i++) { + ++context.pending; status = usb_submit_urb (urbs [i], SLAB_ATOMIC); if (status < 0) { ERROR (dev, "submit iso[%d], error %d\n", i, status); @@ -1481,12 +1491,26 @@ test_iso_queue (struct usbtest_dev *dev, struct usbtest_param *param, simple_free_urb (urbs [i]); context.pending--; + context.submit_error = 1; + break; } } spin_unlock_irq (&context.lock); wait_for_completion (&context.done); - return 0; + + /* + * Isochronous transfers are expected to fail sometimes. As an + * arbitrary limit, we will report an error if any submissions + * fail or if the transfer failure rate is > 10%. + */ + if (status != 0) + ; + else if (context.submit_error) + status = -EACCES; + else if (context.errors > context.packet_count / 10) + status = -EIO; + return status; fail: for (i = 0; i < param->sglen; i++) { diff --git a/drivers/usb/mon/mon_dma.c b/drivers/usb/mon/mon_dma.c index 0a1367b760a0..ddcfc01e77a0 100644 --- a/drivers/usb/mon/mon_dma.c +++ b/drivers/usb/mon/mon_dma.c @@ -13,7 +13,10 @@ #include <linux/usb.h> /* Only needed for declarations in usb_mon.h */ #include "usb_mon.h" -#ifdef __i386__ /* CONFIG_ARCH_I386 does not exit */ +/* + * PC-compatibles, are, fortunately, sufficiently cache-coherent for this. + */ +#if defined(__i386__) || defined(__x86_64__) /* CONFIG_ARCH_I386 doesn't exit */ #define MON_HAS_UNMAP 1 #define phys_to_page(phys) pfn_to_page((phys) >> PAGE_SHIFT) diff --git a/drivers/usb/mon/mon_main.c b/drivers/usb/mon/mon_main.c index 6ecc27302211..275a66f83058 100644 --- a/drivers/usb/mon/mon_main.c +++ b/drivers/usb/mon/mon_main.c @@ -97,6 +97,7 @@ static void mon_submit(struct usb_bus *ubus, struct urb *urb) if (mbus->nreaders == 0) goto out_locked; + mbus->cnt_events++; list_for_each (pos, &mbus->r_list) { r = list_entry(pos, struct mon_reader, r_link); r->rnf_submit(r->r_data, urb); @@ -113,20 +114,32 @@ out_unlocked: /* */ -static void mon_submit_error(struct usb_bus *ubus, struct urb *urb, int err) +static void mon_submit_error(struct usb_bus *ubus, struct urb *urb, int error) { struct mon_bus *mbus; + unsigned long flags; + struct list_head *pos; + struct mon_reader *r; mbus = ubus->mon_bus; if (mbus == NULL) goto out_unlocked; - /* - * XXX Capture the error code and the 'E' event. - */ + spin_lock_irqsave(&mbus->lock, flags); + if (mbus->nreaders == 0) + goto out_locked; + mbus->cnt_events++; + list_for_each (pos, &mbus->r_list) { + r = list_entry(pos, struct mon_reader, r_link); + r->rnf_error(r->r_data, urb, error); + } + + spin_unlock_irqrestore(&mbus->lock, flags); return; +out_locked: + spin_unlock_irqrestore(&mbus->lock, flags); out_unlocked: return; } @@ -152,6 +165,7 @@ static void mon_complete(struct usb_bus *ubus, struct urb *urb) } spin_lock_irqsave(&mbus->lock, flags); + mbus->cnt_events++; list_for_each (pos, &mbus->r_list) { r = list_entry(pos, struct mon_reader, r_link); r->rnf_complete(r->r_data, urb); @@ -163,7 +177,6 @@ static void mon_complete(struct usb_bus *ubus, struct urb *urb) /* * Stop monitoring. - * Obviously this must be well locked, so no need to play with mb's. */ static void mon_stop(struct mon_bus *mbus) { diff --git a/drivers/usb/mon/mon_stat.c b/drivers/usb/mon/mon_stat.c index 6e4b165d070a..1fe01d994a79 100644 --- a/drivers/usb/mon/mon_stat.c +++ b/drivers/usb/mon/mon_stat.c @@ -31,8 +31,8 @@ static int mon_stat_open(struct inode *inode, struct file *file) mbus = inode->u.generic_ip; sp->slen = snprintf(sp->str, STAT_BUF_SIZE, - "nreaders %d text_lost %u\n", - mbus->nreaders, mbus->cnt_text_lost); + "nreaders %d events %u text_lost %u\n", + mbus->nreaders, mbus->cnt_events, mbus->cnt_text_lost); file->private_data = sp; return 0; diff --git a/drivers/usb/mon/mon_text.c b/drivers/usb/mon/mon_text.c index ac043ec2b8dc..e02c1a30c4cd 100644 --- a/drivers/usb/mon/mon_text.c +++ b/drivers/usb/mon/mon_text.c @@ -26,10 +26,13 @@ /* * This limit exists to prevent OOMs when the user process stops reading. + * If usbmon were available to unprivileged processes, it might be open + * to a local DoS. But we have to keep to root in order to prevent + * password sniffing from HID devices. */ -#define EVENT_MAX 25 +#define EVENT_MAX (2*PAGE_SIZE / sizeof(struct mon_event_text)) -#define PRINTF_DFL 130 +#define PRINTF_DFL 160 struct mon_event_text { struct list_head e_link; @@ -111,7 +114,7 @@ static inline char mon_text_get_data(struct mon_event_text *ep, struct urb *urb, * number of corner cases, but it seems that the following is * more or less safe. * - * We do not even try to look transfer_buffer, because it can + * We do not even try to look at transfer_buffer, because it can * contain non-NULL garbage in case the upper level promised to * set DMA for the HCD. */ @@ -179,6 +182,32 @@ static void mon_text_complete(void *data, struct urb *urb) mon_text_event(rp, urb, 'C'); } +static void mon_text_error(void *data, struct urb *urb, int error) +{ + struct mon_reader_text *rp = data; + struct mon_event_text *ep; + + if (rp->nevents >= EVENT_MAX || + (ep = kmem_cache_alloc(rp->e_slab, SLAB_ATOMIC)) == NULL) { + rp->r.m_bus->cnt_text_lost++; + return; + } + + ep->type = 'E'; + ep->pipe = urb->pipe; + ep->id = (unsigned long) urb; + ep->tstamp = 0; + ep->length = 0; + ep->status = error; + + ep->setup_flag = '-'; + ep->data_flag = 'E'; + + rp->nevents++; + list_add_tail(&ep->e_link, &rp->e_list); + wake_up(&rp->wait); +} + /* * Fetch next event from the circular buffer. */ @@ -232,6 +261,7 @@ static int mon_text_open(struct inode *inode, struct file *file) rp->r.m_bus = mbus; rp->r.r_data = rp; rp->r.rnf_submit = mon_text_submit; + rp->r.rnf_error = mon_text_error; rp->r.rnf_complete = mon_text_complete; snprintf(rp->slab_name, SLAB_NAME_SZ, "mon%dt_%lx", ubus->busnum, diff --git a/drivers/usb/mon/usb_mon.h b/drivers/usb/mon/usb_mon.h index 8e0613c350cc..33678c24ebee 100644 --- a/drivers/usb/mon/usb_mon.h +++ b/drivers/usb/mon/usb_mon.h @@ -27,6 +27,7 @@ struct mon_bus { struct kref ref; /* Under mon_lock */ /* Stats */ + unsigned int cnt_events; unsigned int cnt_text_lost; }; @@ -39,6 +40,7 @@ struct mon_reader { void *r_data; /* Use container_of instead? */ void (*rnf_submit)(void *data, struct urb *urb); + void (*rnf_error)(void *data, struct urb *urb, int error); void (*rnf_complete)(void *data, struct urb *urb); }; diff --git a/drivers/usb/net/Kconfig b/drivers/usb/net/Kconfig index efd6ca7e4ac5..054059632a21 100644 --- a/drivers/usb/net/Kconfig +++ b/drivers/usb/net/Kconfig @@ -301,21 +301,4 @@ config USB_NET_ZAURUS some cases CDC MDLM) protocol, not "g_ether". -config USB_ZD1201 - tristate "USB ZD1201 based Wireless device support" - depends on NET_RADIO - select FW_LOADER - ---help--- - Say Y if you want to use wireless LAN adapters based on the ZyDAS - ZD1201 chip. - - This driver makes the adapter appear as a normal Ethernet interface, - typically on wlan0. - - The zd1201 device requires external firmware to be loaded. - This can be found at http://linux-lc100020.sourceforge.net/ - - To compile this driver as a module, choose M here: the - module will be called zd1201. - endmenu diff --git a/drivers/usb/net/Makefile b/drivers/usb/net/Makefile index a21e6eaabaf6..160f19dbdf12 100644 --- a/drivers/usb/net/Makefile +++ b/drivers/usb/net/Makefile @@ -15,7 +15,6 @@ obj-$(CONFIG_USB_NET_RNDIS_HOST) += rndis_host.o obj-$(CONFIG_USB_NET_CDC_SUBSET) += cdc_subset.o obj-$(CONFIG_USB_NET_ZAURUS) += zaurus.o obj-$(CONFIG_USB_USBNET) += usbnet.o -obj-$(CONFIG_USB_ZD1201) += zd1201.o ifeq ($(CONFIG_USB_DEBUG),y) EXTRA_CFLAGS += -DDEBUG diff --git a/drivers/usb/net/asix.c b/drivers/usb/net/asix.c index 12b599a0b539..37111acec875 100644 --- a/drivers/usb/net/asix.c +++ b/drivers/usb/net/asix.c @@ -912,6 +912,10 @@ static const struct usb_device_id products [] = { USB_DEVICE (0x0b95, 0x7720), .driver_info = (unsigned long) &ax88772_info, }, { + // ASIX AX88178 10/100/1000 + USB_DEVICE (0x0b95, 0x1780), + .driver_info = (unsigned long) &ax88772_info, +}, { // Linksys USB200M Rev 2 USB_DEVICE (0x13b1, 0x0018), .driver_info = (unsigned long) &ax88772_info, diff --git a/drivers/usb/net/cdc_ether.c b/drivers/usb/net/cdc_ether.c index 63f1f3ba8e0b..efd195b5912c 100644 --- a/drivers/usb/net/cdc_ether.c +++ b/drivers/usb/net/cdc_ether.c @@ -31,7 +31,7 @@ #include <linux/workqueue.h> #include <linux/mii.h> #include <linux/usb.h> -#include <linux/usb_cdc.h> +#include <linux/usb/cdc.h> #include "usbnet.h" @@ -455,6 +455,18 @@ static const struct usb_device_id products [] = { .driver_info = 0, }, +/* Olympus has some models with a Zaurus-compatible option. + * R-1000 uses a FreeScale i.MXL cpu (ARMv4T) + */ +{ + .match_flags = USB_DEVICE_ID_MATCH_INT_INFO + | USB_DEVICE_ID_MATCH_DEVICE, + .idVendor = 0x07B4, + .idProduct = 0x0F02, /* R-1000 */ + ZAURUS_MASTER_INTERFACE, + .driver_info = 0, +}, + /* * WHITELIST!!! * diff --git a/drivers/usb/net/pegasus.c b/drivers/usb/net/pegasus.c index 7683926a1b6f..ab21f960d255 100644 --- a/drivers/usb/net/pegasus.c +++ b/drivers/usb/net/pegasus.c @@ -163,6 +163,8 @@ static int get_registers(pegasus_t * pegasus, __u16 indx, __u16 size, /* using ATOMIC, we'd never wake up if we slept */ if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) { + if (ret == -ENODEV) + netif_device_detach(pegasus->net); if (netif_msg_drv(pegasus)) dev_err(&pegasus->intf->dev, "%s, status %d\n", __FUNCTION__, ret); @@ -217,6 +219,8 @@ static int set_registers(pegasus_t * pegasus, __u16 indx, __u16 size, set_current_state(TASK_UNINTERRUPTIBLE); if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) { + if (ret == -ENODEV) + netif_device_detach(pegasus->net); if (netif_msg_drv(pegasus)) dev_err(&pegasus->intf->dev, "%s, status %d\n", __FUNCTION__, ret); @@ -268,6 +272,8 @@ static int set_register(pegasus_t * pegasus, __u16 indx, __u8 data) set_current_state(TASK_UNINTERRUPTIBLE); if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) { + if (ret == -ENODEV) + netif_device_detach(pegasus->net); if (netif_msg_drv(pegasus)) dev_err(&pegasus->intf->dev, "%s, status %d\n", __FUNCTION__, ret); @@ -298,10 +304,13 @@ static int update_eth_regs_async(pegasus_t * pegasus) (char *) &pegasus->dr, pegasus->eth_regs, 3, ctrl_callback, pegasus); - if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) + if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) { + if (ret == -ENODEV) + netif_device_detach(pegasus->net); if (netif_msg_drv(pegasus)) dev_err(&pegasus->intf->dev, "%s, status %d\n", __FUNCTION__, ret); + } return ret; } @@ -692,7 +701,10 @@ goon: usb_rcvbulkpipe(pegasus->usb, 1), pegasus->rx_skb->data, PEGASUS_MTU + 8, read_bulk_callback, pegasus); - if (usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC)) { + rx_status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC); + if (rx_status == -ENODEV) + netif_device_detach(pegasus->net); + else if (rx_status) { pegasus->flags |= PEGASUS_RX_URB_FAIL; goto tl_sched; } else { @@ -709,6 +721,7 @@ static void rx_fixup(unsigned long data) { pegasus_t *pegasus; unsigned long flags; + int status; pegasus = (pegasus_t *) data; if (pegasus->flags & PEGASUS_UNPLUG) @@ -734,7 +747,10 @@ static void rx_fixup(unsigned long data) pegasus->rx_skb->data, PEGASUS_MTU + 8, read_bulk_callback, pegasus); try_again: - if (usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC)) { + status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC); + if (status == -ENODEV) + netif_device_detach(pegasus->net); + else if (status) { pegasus->flags |= PEGASUS_RX_URB_FAIL; tasklet_schedule(&pegasus->rx_tl); } else { @@ -836,6 +852,8 @@ static void intr_callback(struct urb *urb, struct pt_regs *regs) } status = usb_submit_urb(urb, SLAB_ATOMIC); + if (status == -ENODEV) + netif_device_detach(pegasus->net); if (status && netif_msg_timer(pegasus)) printk(KERN_ERR "%s: can't resubmit interrupt urb, %d\n", net->name, status); @@ -874,6 +892,7 @@ static int pegasus_start_xmit(struct sk_buff *skb, struct net_device *net) /* cleanup should already have been scheduled */ break; case -ENODEV: /* disconnect() upcoming */ + netif_device_detach(pegasus->net); break; default: pegasus->stats.tx_errors++; @@ -999,6 +1018,8 @@ static int pegasus_open(struct net_device *net) pegasus->rx_skb->data, PEGASUS_MTU + 8, read_bulk_callback, pegasus); if ((res = usb_submit_urb(pegasus->rx_urb, GFP_KERNEL))) { + if (res == -ENODEV) + netif_device_detach(pegasus->net); if (netif_msg_ifup(pegasus)) pr_debug("%s: failed rx_urb, %d", net->name, res); goto exit; @@ -1009,6 +1030,8 @@ static int pegasus_open(struct net_device *net) pegasus->intr_buff, sizeof (pegasus->intr_buff), intr_callback, pegasus, pegasus->intr_interval); if ((res = usb_submit_urb(pegasus->intr_urb, GFP_KERNEL))) { + if (res == -ENODEV) + netif_device_detach(pegasus->net); if (netif_msg_ifup(pegasus)) pr_debug("%s: failed intr_urb, %d\n", net->name, res); usb_kill_urb(pegasus->rx_urb); diff --git a/drivers/usb/net/rndis_host.c b/drivers/usb/net/rndis_host.c index 94ddfe16fdda..f551546d7521 100644 --- a/drivers/usb/net/rndis_host.c +++ b/drivers/usb/net/rndis_host.c @@ -30,7 +30,7 @@ #include <linux/workqueue.h> #include <linux/mii.h> #include <linux/usb.h> -#include <linux/usb_cdc.h> +#include <linux/usb/cdc.h> #include "usbnet.h" diff --git a/drivers/usb/net/zaurus.c b/drivers/usb/net/zaurus.c index f7ac9d6b9856..813e470d0600 100644 --- a/drivers/usb/net/zaurus.c +++ b/drivers/usb/net/zaurus.c @@ -30,7 +30,7 @@ #include <linux/mii.h> #include <linux/crc32.h> #include <linux/usb.h> -#include <linux/usb_cdc.h> +#include <linux/usb/cdc.h> #include "usbnet.h" @@ -109,7 +109,7 @@ static const struct driver_info zaurus_sl5x00_info = { .check_connect = always_connected, .bind = zaurus_bind, .unbind = usbnet_cdc_unbind, - .tx_fixup = zaurus_tx_fixup, + .tx_fixup = zaurus_tx_fixup, }; #define ZAURUS_STRONGARM_INFO ((unsigned long)&zaurus_sl5x00_info) @@ -119,7 +119,7 @@ static const struct driver_info zaurus_pxa_info = { .check_connect = always_connected, .bind = zaurus_bind, .unbind = usbnet_cdc_unbind, - .tx_fixup = zaurus_tx_fixup, + .tx_fixup = zaurus_tx_fixup, }; #define ZAURUS_PXA_INFO ((unsigned long)&zaurus_pxa_info) @@ -129,7 +129,7 @@ static const struct driver_info olympus_mxl_info = { .check_connect = always_connected, .bind = zaurus_bind, .unbind = usbnet_cdc_unbind, - .tx_fixup = zaurus_tx_fixup, + .tx_fixup = zaurus_tx_fixup, }; #define OLYMPUS_MXL_INFO ((unsigned long)&olympus_mxl_info) @@ -228,6 +228,11 @@ bad_detail: detail->bDetailData[2]); goto bad_desc; } + + /* same extra framing as for non-BLAN mode */ + dev->net->hard_header_len += 6; + dev->rx_urb_size = dev->net->hard_header_len + + dev->net->mtu; break; } next_desc: @@ -258,7 +263,7 @@ static const struct driver_info bogus_mdlm_info = { .description = "pseudo-MDLM (BLAN) device", .flags = FLAG_FRAMING_Z, .check_connect = always_connected, - .tx_fixup = zaurus_tx_fixup, + .tx_fixup = zaurus_tx_fixup, .bind = blan_mdlm_bind, }; @@ -367,13 +372,13 @@ static struct usb_driver zaurus_driver = { static int __init zaurus_init(void) { - return usb_register(&zaurus_driver); + return usb_register(&zaurus_driver); } module_init(zaurus_init); static void __exit zaurus_exit(void) { - usb_deregister(&zaurus_driver); + usb_deregister(&zaurus_driver); } module_exit(zaurus_exit); diff --git a/drivers/usb/net/zd1201.c b/drivers/usb/net/zd1201.c deleted file mode 100644 index 9b1e4ed1d07e..000000000000 --- a/drivers/usb/net/zd1201.c +++ /dev/null @@ -1,1944 +0,0 @@ -/* - * Driver for ZyDAS zd1201 based wireless USB devices. - * - * Copyright (c) 2004, 2005 Jeroen Vreeken (pe1rxq@amsat.org) - * - * 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. - * - * Parts of this driver have been derived from a wlan-ng version - * modified by ZyDAS. They also made documentation available, thanks! - * Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. - */ - -#include <linux/module.h> -#include <linux/usb.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/wireless.h> -#include <net/iw_handler.h> -#include <linux/string.h> -#include <linux/if_arp.h> -#include <linux/firmware.h> -#include <net/ieee80211.h> -#include "zd1201.h" - -static struct usb_device_id zd1201_table[] = { - {USB_DEVICE(0x0586, 0x3400)}, /* Peabird Wireless USB Adapter */ - {USB_DEVICE(0x0ace, 0x1201)}, /* ZyDAS ZD1201 Wireless USB Adapter */ - {USB_DEVICE(0x050d, 0x6051)}, /* Belkin F5D6051 usb adapter */ - {USB_DEVICE(0x0db0, 0x6823)}, /* MSI UB11B usb adapter */ - {USB_DEVICE(0x1044, 0x8005)}, /* GIGABYTE GN-WLBZ201 usb adapter */ - {} -}; - -static int ap = 0; /* Are we an AP or a normal station? */ - -#define ZD1201_VERSION "0.15" - -MODULE_AUTHOR("Jeroen Vreeken <pe1rxq@amsat.org>"); -MODULE_DESCRIPTION("Driver for ZyDAS ZD1201 based USB Wireless adapters"); -MODULE_VERSION(ZD1201_VERSION); -MODULE_LICENSE("GPL"); -module_param(ap, int, 0); -MODULE_PARM_DESC(ap, "If non-zero Access Point firmware will be loaded"); -MODULE_DEVICE_TABLE(usb, zd1201_table); - - -static int zd1201_fw_upload(struct usb_device *dev, int apfw) -{ - const struct firmware *fw_entry; - char* data; - unsigned long len; - int err; - unsigned char ret; - char *buf; - char *fwfile; - - if (apfw) - fwfile = "zd1201-ap.fw"; - else - fwfile = "zd1201.fw"; - - err = request_firmware(&fw_entry, fwfile, &dev->dev); - if (err) { - dev_err(&dev->dev, "Failed to load %s firmware file!\n", fwfile); - dev_err(&dev->dev, "Make sure the hotplug firmware loader is installed.\n"); - dev_err(&dev->dev, "Goto http://linux-lc100020.sourceforge.net for more info\n"); - return err; - } - - data = fw_entry->data; - len = fw_entry->size; - - buf = kmalloc(1024, GFP_ATOMIC); - if (!buf) - goto exit; - - while (len > 0) { - int translen = (len > 1024) ? 1024 : len; - memcpy(buf, data, translen); - - err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 0, - USB_DIR_OUT | 0x40, 0, 0, buf, translen, - ZD1201_FW_TIMEOUT); - if (err < 0) - goto exit; - - len -= translen; - data += translen; - } - - err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 0x2, - USB_DIR_OUT | 0x40, 0, 0, NULL, 0, ZD1201_FW_TIMEOUT); - if (err < 0) - goto exit; - - err = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), 0x4, - USB_DIR_IN | 0x40, 0,0, &ret, sizeof(ret), ZD1201_FW_TIMEOUT); - if (err < 0) - goto exit; - - if (ret & 0x80) { - err = -EIO; - goto exit; - } - - err = 0; -exit: - kfree(buf); - release_firmware(fw_entry); - return err; -} - -static void zd1201_usbfree(struct urb *urb, struct pt_regs *regs) -{ - struct zd1201 *zd = urb->context; - - switch(urb->status) { - case -EILSEQ: - case -ENODEV: - case -ETIMEDOUT: - case -ENOENT: - case -EPIPE: - case -EOVERFLOW: - case -ESHUTDOWN: - dev_warn(&zd->usb->dev, "%s: urb failed: %d\n", - zd->dev->name, urb->status); - } - - kfree(urb->transfer_buffer); - usb_free_urb(urb); - return; -} - -/* cmdreq message: - u32 type - u16 cmd - u16 parm0 - u16 parm1 - u16 parm2 - u8 pad[4] - - total: 4 + 2 + 2 + 2 + 2 + 4 = 16 -*/ -static int zd1201_docmd(struct zd1201 *zd, int cmd, int parm0, - int parm1, int parm2) -{ - unsigned char *command; - int ret; - struct urb *urb; - - command = kmalloc(16, GFP_ATOMIC); - if (!command) - return -ENOMEM; - - *((__le32*)command) = cpu_to_le32(ZD1201_USB_CMDREQ); - *((__le16*)&command[4]) = cpu_to_le16(cmd); - *((__le16*)&command[6]) = cpu_to_le16(parm0); - *((__le16*)&command[8]) = cpu_to_le16(parm1); - *((__le16*)&command[10])= cpu_to_le16(parm2); - - urb = usb_alloc_urb(0, GFP_ATOMIC); - if (!urb) { - kfree(command); - return -ENOMEM; - } - usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out2), - command, 16, zd1201_usbfree, zd); - ret = usb_submit_urb(urb, GFP_ATOMIC); - if (ret) { - kfree(command); - usb_free_urb(urb); - } - - return ret; -} - -/* Callback after sending out a packet */ -static void zd1201_usbtx(struct urb *urb, struct pt_regs *regs) -{ - struct zd1201 *zd = urb->context; - netif_wake_queue(zd->dev); - return; -} - -/* Incoming data */ -static void zd1201_usbrx(struct urb *urb, struct pt_regs *regs) -{ - struct zd1201 *zd = urb->context; - int free = 0; - unsigned char *data = urb->transfer_buffer; - struct sk_buff *skb; - unsigned char type; - - if (!zd) { - free = 1; - goto exit; - } - - switch(urb->status) { - case -EILSEQ: - case -ENODEV: - case -ETIMEDOUT: - case -ENOENT: - case -EPIPE: - case -EOVERFLOW: - case -ESHUTDOWN: - dev_warn(&zd->usb->dev, "%s: rx urb failed: %d\n", - zd->dev->name, urb->status); - free = 1; - goto exit; - } - - if (urb->status != 0 || urb->actual_length == 0) - goto resubmit; - - type = data[0]; - if (type == ZD1201_PACKET_EVENTSTAT || type == ZD1201_PACKET_RESOURCE) { - memcpy(zd->rxdata, data, urb->actual_length); - zd->rxlen = urb->actual_length; - zd->rxdatas = 1; - wake_up(&zd->rxdataq); - } - /* Info frame */ - if (type == ZD1201_PACKET_INQUIRE) { - int i = 0; - unsigned short infotype, framelen, copylen; - framelen = le16_to_cpu(*(__le16*)&data[4]); - infotype = le16_to_cpu(*(__le16*)&data[6]); - - if (infotype == ZD1201_INF_LINKSTATUS) { - short linkstatus; - - linkstatus = le16_to_cpu(*(__le16*)&data[8]); - switch(linkstatus) { - case 1: - netif_carrier_on(zd->dev); - break; - case 2: - netif_carrier_off(zd->dev); - break; - case 3: - netif_carrier_off(zd->dev); - break; - case 4: - netif_carrier_on(zd->dev); - break; - default: - netif_carrier_off(zd->dev); - } - goto resubmit; - } - if (infotype == ZD1201_INF_ASSOCSTATUS) { - short status = le16_to_cpu(*(__le16*)(data+8)); - int event; - union iwreq_data wrqu; - - switch (status) { - case ZD1201_ASSOCSTATUS_STAASSOC: - case ZD1201_ASSOCSTATUS_REASSOC: - event = IWEVREGISTERED; - break; - case ZD1201_ASSOCSTATUS_DISASSOC: - case ZD1201_ASSOCSTATUS_ASSOCFAIL: - case ZD1201_ASSOCSTATUS_AUTHFAIL: - default: - event = IWEVEXPIRED; - } - memcpy(wrqu.addr.sa_data, data+10, ETH_ALEN); - wrqu.addr.sa_family = ARPHRD_ETHER; - - /* Send event to user space */ - wireless_send_event(zd->dev, event, &wrqu, NULL); - - goto resubmit; - } - if (infotype == ZD1201_INF_AUTHREQ) { - union iwreq_data wrqu; - - memcpy(wrqu.addr.sa_data, data+8, ETH_ALEN); - wrqu.addr.sa_family = ARPHRD_ETHER; - /* There isn't a event that trully fits this request. - We assume that userspace will be smart enough to - see a new station being expired and sends back a - authstation ioctl to authorize it. */ - wireless_send_event(zd->dev, IWEVEXPIRED, &wrqu, NULL); - goto resubmit; - } - /* Other infotypes are handled outside this handler */ - zd->rxlen = 0; - while (i < urb->actual_length) { - copylen = le16_to_cpu(*(__le16*)&data[i+2]); - /* Sanity check, sometimes we get junk */ - if (copylen+zd->rxlen > sizeof(zd->rxdata)) - break; - memcpy(zd->rxdata+zd->rxlen, data+i+4, copylen); - zd->rxlen += copylen; - i += 64; - } - if (i >= urb->actual_length) { - zd->rxdatas = 1; - wake_up(&zd->rxdataq); - } - goto resubmit; - } - /* Actual data */ - if (data[urb->actual_length-1] == ZD1201_PACKET_RXDATA) { - int datalen = urb->actual_length-1; - unsigned short len, fc, seq; - struct hlist_node *node; - - len = ntohs(*(__be16 *)&data[datalen-2]); - if (len>datalen) - len=datalen; - fc = le16_to_cpu(*(__le16 *)&data[datalen-16]); - seq = le16_to_cpu(*(__le16 *)&data[datalen-24]); - - if(zd->monitor) { - if (datalen < 24) - goto resubmit; - if (!(skb = dev_alloc_skb(datalen+24))) - goto resubmit; - - memcpy(skb_put(skb, 2), &data[datalen-16], 2); - memcpy(skb_put(skb, 2), &data[datalen-2], 2); - memcpy(skb_put(skb, 6), &data[datalen-14], 6); - memcpy(skb_put(skb, 6), &data[datalen-22], 6); - memcpy(skb_put(skb, 6), &data[datalen-8], 6); - memcpy(skb_put(skb, 2), &data[datalen-24], 2); - memcpy(skb_put(skb, len), data, len); - skb->dev = zd->dev; - skb->dev->last_rx = jiffies; - skb->protocol = eth_type_trans(skb, zd->dev); - zd->stats.rx_packets++; - zd->stats.rx_bytes += skb->len; - netif_rx(skb); - goto resubmit; - } - - if ((seq & IEEE80211_SCTL_FRAG) || - (fc & IEEE80211_FCTL_MOREFRAGS)) { - struct zd1201_frag *frag = NULL; - char *ptr; - - if (datalen<14) - goto resubmit; - if ((seq & IEEE80211_SCTL_FRAG) == 0) { - frag = kmalloc(sizeof(*frag), GFP_ATOMIC); - if (!frag) - goto resubmit; - skb = dev_alloc_skb(IEEE80211_DATA_LEN +14+2); - if (!skb) { - kfree(frag); - goto resubmit; - } - frag->skb = skb; - frag->seq = seq & IEEE80211_SCTL_SEQ; - skb_reserve(skb, 2); - memcpy(skb_put(skb, 12), &data[datalen-14], 12); - memcpy(skb_put(skb, 2), &data[6], 2); - memcpy(skb_put(skb, len), data+8, len); - hlist_add_head(&frag->fnode, &zd->fraglist); - goto resubmit; - } - hlist_for_each_entry(frag, node, &zd->fraglist, fnode) - if(frag->seq == (seq&IEEE80211_SCTL_SEQ)) - break; - if (!frag) - goto resubmit; - skb = frag->skb; - ptr = skb_put(skb, len); - if (ptr) - memcpy(ptr, data+8, len); - if (fc & IEEE80211_FCTL_MOREFRAGS) - goto resubmit; - hlist_del_init(&frag->fnode); - kfree(frag); - /* Fallthrough */ - } else { - if (datalen<14) - goto resubmit; - skb = dev_alloc_skb(len + 14 + 2); - if (!skb) - goto resubmit; - skb_reserve(skb, 2); - memcpy(skb_put(skb, 12), &data[datalen-14], 12); - memcpy(skb_put(skb, 2), &data[6], 2); - memcpy(skb_put(skb, len), data+8, len); - } - skb->dev = zd->dev; - skb->dev->last_rx = jiffies; - skb->protocol = eth_type_trans(skb, zd->dev); - zd->stats.rx_packets++; - zd->stats.rx_bytes += skb->len; - netif_rx(skb); - } -resubmit: - memset(data, 0, ZD1201_RXSIZE); - - urb->status = 0; - urb->dev = zd->usb; - if(usb_submit_urb(urb, GFP_ATOMIC)) - free = 1; - -exit: - if (free) { - zd->rxlen = 0; - zd->rxdatas = 1; - wake_up(&zd->rxdataq); - kfree(urb->transfer_buffer); - } - return; -} - -static int zd1201_getconfig(struct zd1201 *zd, int rid, void *riddata, - unsigned int riddatalen) -{ - int err; - int i = 0; - int code; - int rid_fid; - int length; - unsigned char *pdata; - - zd->rxdatas = 0; - err = zd1201_docmd(zd, ZD1201_CMDCODE_ACCESS, rid, 0, 0); - if (err) - return err; - - wait_event_interruptible(zd->rxdataq, zd->rxdatas); - if (!zd->rxlen) - return -EIO; - - code = le16_to_cpu(*(__le16*)(&zd->rxdata[4])); - rid_fid = le16_to_cpu(*(__le16*)(&zd->rxdata[6])); - length = le16_to_cpu(*(__le16*)(&zd->rxdata[8])); - if (length > zd->rxlen) - length = zd->rxlen-6; - - /* If access bit is not on, then error */ - if ((code & ZD1201_ACCESSBIT) != ZD1201_ACCESSBIT || rid_fid != rid ) - return -EINVAL; - - /* Not enough buffer for allocating data */ - if (riddatalen != (length - 4)) { - dev_dbg(&zd->usb->dev, "riddatalen mismatches, expected=%u, (packet=%u) length=%u, rid=0x%04X, rid_fid=0x%04X\n", - riddatalen, zd->rxlen, length, rid, rid_fid); - return -ENODATA; - } - - zd->rxdatas = 0; - /* Issue SetRxRid commnd */ - err = zd1201_docmd(zd, ZD1201_CMDCODE_SETRXRID, rid, 0, length); - if (err) - return err; - - /* Receive RID record from resource packets */ - wait_event_interruptible(zd->rxdataq, zd->rxdatas); - if (!zd->rxlen) - return -EIO; - - if (zd->rxdata[zd->rxlen - 1] != ZD1201_PACKET_RESOURCE) { - dev_dbg(&zd->usb->dev, "Packet type mismatch: 0x%x not 0x3\n", - zd->rxdata[zd->rxlen-1]); - return -EINVAL; - } - - /* Set the data pointer and received data length */ - pdata = zd->rxdata; - length = zd->rxlen; - - do { - int actual_length; - - actual_length = (length > 64) ? 64 : length; - - if(pdata[0] != 0x3) { - dev_dbg(&zd->usb->dev, "Rx Resource packet type error: %02X\n", - pdata[0]); - return -EINVAL; - } - - if (actual_length != 64) { - /* Trim the last packet type byte */ - actual_length--; - } - - /* Skip the 4 bytes header (RID length and RID) */ - if(i == 0) { - pdata += 8; - actual_length -= 8; - } - else { - pdata += 4; - actual_length -= 4; - } - - memcpy(riddata, pdata, actual_length); - riddata += actual_length; - pdata += actual_length; - length -= 64; - i++; - } while (length > 0); - - return 0; -} - -/* - * resreq: - * byte type - * byte sequence - * u16 reserved - * byte data[12] - * total: 16 - */ -static int zd1201_setconfig(struct zd1201 *zd, int rid, void *buf, int len, int wait) -{ - int err; - unsigned char *request; - int reqlen; - char seq=0; - struct urb *urb; - gfp_t gfp_mask = wait ? GFP_NOIO : GFP_ATOMIC; - - len += 4; /* first 4 are for header */ - - zd->rxdatas = 0; - zd->rxlen = 0; - for (seq=0; len > 0; seq++) { - request = kmalloc(16, gfp_mask); - if (!request) - return -ENOMEM; - urb = usb_alloc_urb(0, gfp_mask); - if (!urb) { - kfree(request); - return -ENOMEM; - } - memset(request, 0, 16); - reqlen = len>12 ? 12 : len; - request[0] = ZD1201_USB_RESREQ; - request[1] = seq; - request[2] = 0; - request[3] = 0; - if (request[1] == 0) { - /* add header */ - *(__le16*)&request[4] = cpu_to_le16((len-2+1)/2); - *(__le16*)&request[6] = cpu_to_le16(rid); - memcpy(request+8, buf, reqlen-4); - buf += reqlen-4; - } else { - memcpy(request+4, buf, reqlen); - buf += reqlen; - } - - len -= reqlen; - - usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, - zd->endp_out2), request, 16, zd1201_usbfree, zd); - err = usb_submit_urb(urb, gfp_mask); - if (err) - goto err; - } - - request = kmalloc(16, gfp_mask); - if (!request) - return -ENOMEM; - urb = usb_alloc_urb(0, gfp_mask); - if (!urb) { - kfree(request); - return -ENOMEM; - } - *((__le32*)request) = cpu_to_le32(ZD1201_USB_CMDREQ); - *((__le16*)&request[4]) = - cpu_to_le16(ZD1201_CMDCODE_ACCESS|ZD1201_ACCESSBIT); - *((__le16*)&request[6]) = cpu_to_le16(rid); - *((__le16*)&request[8]) = cpu_to_le16(0); - *((__le16*)&request[10]) = cpu_to_le16(0); - usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out2), - request, 16, zd1201_usbfree, zd); - err = usb_submit_urb(urb, gfp_mask); - if (err) - goto err; - - if (wait) { - wait_event_interruptible(zd->rxdataq, zd->rxdatas); - if (!zd->rxlen || le16_to_cpu(*(__le16*)&zd->rxdata[6]) != rid) { - dev_dbg(&zd->usb->dev, "wrong or no RID received\n"); - } - } - - return 0; -err: - kfree(request); - usb_free_urb(urb); - return err; -} - -static inline int zd1201_getconfig16(struct zd1201 *zd, int rid, short *val) -{ - int err; - __le16 zdval; - - err = zd1201_getconfig(zd, rid, &zdval, sizeof(__le16)); - if (err) - return err; - *val = le16_to_cpu(zdval); - return 0; -} - -static inline int zd1201_setconfig16(struct zd1201 *zd, int rid, short val) -{ - __le16 zdval = cpu_to_le16(val); - return (zd1201_setconfig(zd, rid, &zdval, sizeof(__le16), 1)); -} - -static int zd1201_drvr_start(struct zd1201 *zd) -{ - int err, i; - short max; - __le16 zdmax; - unsigned char *buffer; - - buffer = kzalloc(ZD1201_RXSIZE, GFP_KERNEL); - if (!buffer) - return -ENOMEM; - - usb_fill_bulk_urb(zd->rx_urb, zd->usb, - usb_rcvbulkpipe(zd->usb, zd->endp_in), buffer, ZD1201_RXSIZE, - zd1201_usbrx, zd); - - err = usb_submit_urb(zd->rx_urb, GFP_KERNEL); - if (err) - goto err_buffer; - - err = zd1201_docmd(zd, ZD1201_CMDCODE_INIT, 0, 0, 0); - if (err) - goto err_urb; - - err = zd1201_getconfig(zd, ZD1201_RID_CNFMAXTXBUFFERNUMBER, &zdmax, - sizeof(__le16)); - if (err) - goto err_urb; - - max = le16_to_cpu(zdmax); - for (i=0; i<max; i++) { - err = zd1201_docmd(zd, ZD1201_CMDCODE_ALLOC, 1514, 0, 0); - if (err) - goto err_urb; - } - - return 0; - -err_urb: - usb_kill_urb(zd->rx_urb); - return err; -err_buffer: - kfree(buffer); - return err; -} - -/* Magic alert: The firmware doesn't seem to like the MAC state being - * toggled in promisc (aka monitor) mode. - * (It works a number of times, but will halt eventually) - * So we turn it of before disabling and on after enabling if needed. - */ -static int zd1201_enable(struct zd1201 *zd) -{ - int err; - - if (zd->mac_enabled) - return 0; - - err = zd1201_docmd(zd, ZD1201_CMDCODE_ENABLE, 0, 0, 0); - if (!err) - zd->mac_enabled = 1; - - if (zd->monitor) - err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 1); - - return err; -} - -static int zd1201_disable(struct zd1201 *zd) -{ - int err; - - if (!zd->mac_enabled) - return 0; - if (zd->monitor) { - err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 0); - if (err) - return err; - } - - err = zd1201_docmd(zd, ZD1201_CMDCODE_DISABLE, 0, 0, 0); - if (!err) - zd->mac_enabled = 0; - return err; -} - -static int zd1201_mac_reset(struct zd1201 *zd) -{ - if (!zd->mac_enabled) - return 0; - zd1201_disable(zd); - return zd1201_enable(zd); -} - -static int zd1201_join(struct zd1201 *zd, char *essid, int essidlen) -{ - int err, val; - char buf[IW_ESSID_MAX_SIZE+2]; - - err = zd1201_disable(zd); - if (err) - return err; - - val = ZD1201_CNFAUTHENTICATION_OPENSYSTEM; - val |= ZD1201_CNFAUTHENTICATION_SHAREDKEY; - err = zd1201_setconfig16(zd, ZD1201_RID_CNFAUTHENTICATION, val); - if (err) - return err; - - *(__le16 *)buf = cpu_to_le16(essidlen); - memcpy(buf+2, essid, essidlen); - if (!zd->ap) { /* Normal station */ - err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID, buf, - IW_ESSID_MAX_SIZE+2, 1); - if (err) - return err; - } else { /* AP */ - err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNSSID, buf, - IW_ESSID_MAX_SIZE+2, 1); - if (err) - return err; - } - - err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNMACADDR, - zd->dev->dev_addr, zd->dev->addr_len, 1); - if (err) - return err; - - err = zd1201_enable(zd); - if (err) - return err; - - msleep(100); - return 0; -} - -static int zd1201_net_open(struct net_device *dev) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - - /* Start MAC with wildcard if no essid set */ - if (!zd->mac_enabled) - zd1201_join(zd, zd->essid, zd->essidlen); - netif_start_queue(dev); - - return 0; -} - -static int zd1201_net_stop(struct net_device *dev) -{ - netif_stop_queue(dev); - - return 0; -} - -/* - RFC 1042 encapsulates Ethernet frames in 802.11 frames - by prefixing them with 0xaa, 0xaa, 0x03) followed by a SNAP OID of 0 - (0x00, 0x00, 0x00). Zd requires an additional padding, copy - of ethernet addresses, length of the standard RFC 1042 packet - and a command byte (which is nul for tx). - - tx frame (from Wlan NG): - RFC 1042: - llc 0xAA 0xAA 0x03 (802.2 LLC) - snap 0x00 0x00 0x00 (Ethernet encapsulated) - type 2 bytes, Ethernet type field - payload (minus eth header) - Zydas specific: - padding 1B if (skb->len+8+1)%64==0 - Eth MAC addr 12 bytes, Ethernet MAC addresses - length 2 bytes, RFC 1042 packet length - (llc+snap+type+payload) - zd 1 null byte, zd1201 packet type - */ -static int zd1201_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - unsigned char *txbuf = zd->txdata; - int txbuflen, pad = 0, err; - struct urb *urb = zd->tx_urb; - - if (!zd->mac_enabled || zd->monitor) { - zd->stats.tx_dropped++; - kfree_skb(skb); - return 0; - } - netif_stop_queue(dev); - - txbuflen = skb->len + 8 + 1; - if (txbuflen%64 == 0) { - pad = 1; - txbuflen++; - } - txbuf[0] = 0xAA; - txbuf[1] = 0xAA; - txbuf[2] = 0x03; - txbuf[3] = 0x00; /* rfc1042 */ - txbuf[4] = 0x00; - txbuf[5] = 0x00; - - memcpy(txbuf+6, skb->data+12, skb->len-12); - if (pad) - txbuf[skb->len-12+6]=0; - memcpy(txbuf+skb->len-12+6+pad, skb->data, 12); - *(__be16*)&txbuf[skb->len+6+pad] = htons(skb->len-12+6); - txbuf[txbuflen-1] = 0; - - usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out), - txbuf, txbuflen, zd1201_usbtx, zd); - - err = usb_submit_urb(zd->tx_urb, GFP_ATOMIC); - if (err) { - zd->stats.tx_errors++; - netif_start_queue(dev); - return err; - } - zd->stats.tx_packets++; - zd->stats.tx_bytes += skb->len; - dev->trans_start = jiffies; - kfree_skb(skb); - - return 0; -} - -static void zd1201_tx_timeout(struct net_device *dev) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - - if (!zd) - return; - dev_warn(&zd->usb->dev, "%s: TX timeout, shooting down urb\n", - dev->name); - usb_unlink_urb(zd->tx_urb); - zd->stats.tx_errors++; - /* Restart the timeout to quiet the watchdog: */ - dev->trans_start = jiffies; -} - -static int zd1201_set_mac_address(struct net_device *dev, void *p) -{ - struct sockaddr *addr = p; - struct zd1201 *zd = (struct zd1201 *)dev->priv; - int err; - - if (!zd) - return -ENODEV; - - err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNMACADDR, - addr->sa_data, dev->addr_len, 1); - if (err) - return err; - memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); - - return zd1201_mac_reset(zd); -} - -static struct net_device_stats *zd1201_get_stats(struct net_device *dev) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - - return &zd->stats; -} - -static struct iw_statistics *zd1201_get_wireless_stats(struct net_device *dev) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - - return &zd->iwstats; -} - -static void zd1201_set_multicast(struct net_device *dev) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - struct dev_mc_list *mc = dev->mc_list; - unsigned char reqbuf[ETH_ALEN*ZD1201_MAXMULTI]; - int i; - - if (dev->mc_count > ZD1201_MAXMULTI) - return; - - for (i=0; i<dev->mc_count; i++) { - memcpy(reqbuf+i*ETH_ALEN, mc->dmi_addr, ETH_ALEN); - mc = mc->next; - } - zd1201_setconfig(zd, ZD1201_RID_CNFGROUPADDRESS, reqbuf, - dev->mc_count*ETH_ALEN, 0); - -} - -static int zd1201_config_commit(struct net_device *dev, - struct iw_request_info *info, struct iw_point *data, char *essid) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - - return zd1201_mac_reset(zd); -} - -static int zd1201_get_name(struct net_device *dev, - struct iw_request_info *info, char *name, char *extra) -{ - strcpy(name, "IEEE 802.11b"); - - return 0; -} - -static int zd1201_set_freq(struct net_device *dev, - struct iw_request_info *info, struct iw_freq *freq, char *extra) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - short channel = 0; - int err; - - if (freq->e == 0) - channel = freq->m; - else { - if (freq->m >= 2482) - channel = 14; - if (freq->m >= 2407) - channel = (freq->m-2407)/5; - } - - err = zd1201_setconfig16(zd, ZD1201_RID_CNFOWNCHANNEL, channel); - if (err) - return err; - - zd1201_mac_reset(zd); - - return 0; -} - -static int zd1201_get_freq(struct net_device *dev, - struct iw_request_info *info, struct iw_freq *freq, char *extra) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - short channel; - int err; - - err = zd1201_getconfig16(zd, ZD1201_RID_CNFOWNCHANNEL, &channel); - if (err) - return err; - freq->e = 0; - freq->m = channel; - - return 0; -} - -static int zd1201_set_mode(struct net_device *dev, - struct iw_request_info *info, __u32 *mode, char *extra) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - short porttype, monitor = 0; - unsigned char buffer[IW_ESSID_MAX_SIZE+2]; - int err; - - if (zd->ap) { - if (*mode != IW_MODE_MASTER) - return -EINVAL; - return 0; - } - - err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 0); - if (err) - return err; - zd->dev->type = ARPHRD_ETHER; - switch(*mode) { - case IW_MODE_MONITOR: - monitor = 1; - zd->dev->type = ARPHRD_IEEE80211; - /* Make sure we are no longer associated with by - setting an 'impossible' essid. - (otherwise we mess up firmware) - */ - zd1201_join(zd, "\0-*#\0", 5); - /* Put port in pIBSS */ - case 8: /* No pseudo-IBSS in wireless extensions (yet) */ - porttype = ZD1201_PORTTYPE_PSEUDOIBSS; - break; - case IW_MODE_ADHOC: - porttype = ZD1201_PORTTYPE_IBSS; - break; - case IW_MODE_INFRA: - porttype = ZD1201_PORTTYPE_BSS; - break; - default: - return -EINVAL; - } - - err = zd1201_setconfig16(zd, ZD1201_RID_CNFPORTTYPE, porttype); - if (err) - return err; - if (zd->monitor && !monitor) { - zd1201_disable(zd); - *(__le16 *)buffer = cpu_to_le16(zd->essidlen); - memcpy(buffer+2, zd->essid, zd->essidlen); - err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID, - buffer, IW_ESSID_MAX_SIZE+2, 1); - if (err) - return err; - } - zd->monitor=monitor; - /* If monitor mode is set we don't actually turn it on here since it - * is done during mac reset anyway (see zd1201_mac_enable). - */ - - zd1201_mac_reset(zd); - - return 0; -} - -static int zd1201_get_mode(struct net_device *dev, - struct iw_request_info *info, __u32 *mode, char *extra) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - short porttype; - int err; - - err = zd1201_getconfig16(zd, ZD1201_RID_CNFPORTTYPE, &porttype); - if (err) - return err; - switch(porttype) { - case ZD1201_PORTTYPE_IBSS: - *mode = IW_MODE_ADHOC; - break; - case ZD1201_PORTTYPE_BSS: - *mode = IW_MODE_INFRA; - break; - case ZD1201_PORTTYPE_WDS: - *mode = IW_MODE_REPEAT; - break; - case ZD1201_PORTTYPE_PSEUDOIBSS: - *mode = 8;/* No Pseudo-IBSS... */ - break; - case ZD1201_PORTTYPE_AP: - *mode = IW_MODE_MASTER; - break; - default: - dev_dbg(&zd->usb->dev, "Unknown porttype: %d\n", - porttype); - *mode = IW_MODE_AUTO; - } - if (zd->monitor) - *mode = IW_MODE_MONITOR; - - return 0; -} - -static int zd1201_get_range(struct net_device *dev, - struct iw_request_info *info, struct iw_point *wrq, char *extra) -{ - struct iw_range *range = (struct iw_range *)extra; - - wrq->length = sizeof(struct iw_range); - memset(range, 0, sizeof(struct iw_range)); - range->we_version_compiled = WIRELESS_EXT; - range->we_version_source = WIRELESS_EXT; - - range->max_qual.qual = 128; - range->max_qual.level = 128; - range->max_qual.noise = 128; - range->max_qual.updated = 7; - - range->encoding_size[0] = 5; - range->encoding_size[1] = 13; - range->num_encoding_sizes = 2; - range->max_encoding_tokens = ZD1201_NUMKEYS; - - range->num_bitrates = 4; - range->bitrate[0] = 1000000; - range->bitrate[1] = 2000000; - range->bitrate[2] = 5500000; - range->bitrate[3] = 11000000; - - range->min_rts = 0; - range->min_frag = ZD1201_FRAGMIN; - range->max_rts = ZD1201_RTSMAX; - range->min_frag = ZD1201_FRAGMAX; - - return 0; -} - -/* Little bit of magic here: we only get the quality if we poll - * for it, and we never get an actual request to trigger such - * a poll. Therefore we 'assume' that the user will soon ask for - * the stats after asking the bssid. - */ -static int zd1201_get_wap(struct net_device *dev, - struct iw_request_info *info, struct sockaddr *ap_addr, char *extra) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - unsigned char buffer[6]; - - if (!zd1201_getconfig(zd, ZD1201_RID_COMMSQUALITY, buffer, 6)) { - /* Unfortunately the quality and noise reported is useless. - they seem to be accumulators that increase until you - read them, unless we poll on a fixed interval we can't - use them - */ - /*zd->iwstats.qual.qual = le16_to_cpu(((__le16 *)buffer)[0]);*/ - zd->iwstats.qual.level = le16_to_cpu(((__le16 *)buffer)[1]); - /*zd->iwstats.qual.noise = le16_to_cpu(((__le16 *)buffer)[2]);*/ - zd->iwstats.qual.updated = 2; - } - - return zd1201_getconfig(zd,ZD1201_RID_CURRENTBSSID,ap_addr->sa_data,6); -} - -static int zd1201_set_scan(struct net_device *dev, - struct iw_request_info *info, struct iw_point *srq, char *extra) -{ - /* We do everything in get_scan */ - return 0; -} - -static int zd1201_get_scan(struct net_device *dev, - struct iw_request_info *info, struct iw_point *srq, char *extra) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - int err, i, j, enabled_save; - struct iw_event iwe; - char *cev = extra; - char *end_buf = extra + IW_SCAN_MAX_DATA; - - /* No scanning in AP mode */ - if (zd->ap) - return -EOPNOTSUPP; - - /* Scan doesn't seem to work if disabled */ - enabled_save = zd->mac_enabled; - zd1201_enable(zd); - - zd->rxdatas = 0; - err = zd1201_docmd(zd, ZD1201_CMDCODE_INQUIRE, - ZD1201_INQ_SCANRESULTS, 0, 0); - if (err) - return err; - - wait_event_interruptible(zd->rxdataq, zd->rxdatas); - if (!zd->rxlen) - return -EIO; - - if (le16_to_cpu(*(__le16*)&zd->rxdata[2]) != ZD1201_INQ_SCANRESULTS) - return -EIO; - - for(i=8; i<zd->rxlen; i+=62) { - iwe.cmd = SIOCGIWAP; - iwe.u.ap_addr.sa_family = ARPHRD_ETHER; - memcpy(iwe.u.ap_addr.sa_data, zd->rxdata+i+6, 6); - cev = iwe_stream_add_event(cev, end_buf, &iwe, IW_EV_ADDR_LEN); - - iwe.cmd = SIOCGIWESSID; - iwe.u.data.length = zd->rxdata[i+16]; - iwe.u.data.flags = 1; - cev = iwe_stream_add_point(cev, end_buf, &iwe, zd->rxdata+i+18); - - iwe.cmd = SIOCGIWMODE; - if (zd->rxdata[i+14]&0x01) - iwe.u.mode = IW_MODE_MASTER; - else - iwe.u.mode = IW_MODE_ADHOC; - cev = iwe_stream_add_event(cev, end_buf, &iwe, IW_EV_UINT_LEN); - - iwe.cmd = SIOCGIWFREQ; - iwe.u.freq.m = zd->rxdata[i+0]; - iwe.u.freq.e = 0; - cev = iwe_stream_add_event(cev, end_buf, &iwe, IW_EV_FREQ_LEN); - - iwe.cmd = SIOCGIWRATE; - iwe.u.bitrate.fixed = 0; - iwe.u.bitrate.disabled = 0; - for (j=0; j<10; j++) if (zd->rxdata[i+50+j]) { - iwe.u.bitrate.value = (zd->rxdata[i+50+j]&0x7f)*500000; - cev=iwe_stream_add_event(cev, end_buf, &iwe, - IW_EV_PARAM_LEN); - } - - iwe.cmd = SIOCGIWENCODE; - iwe.u.data.length = 0; - if (zd->rxdata[i+14]&0x10) - iwe.u.data.flags = IW_ENCODE_ENABLED; - else - iwe.u.data.flags = IW_ENCODE_DISABLED; - cev = iwe_stream_add_point(cev, end_buf, &iwe, NULL); - - iwe.cmd = IWEVQUAL; - iwe.u.qual.qual = zd->rxdata[i+4]; - iwe.u.qual.noise= zd->rxdata[i+2]/10-100; - iwe.u.qual.level = (256+zd->rxdata[i+4]*100)/255-100; - iwe.u.qual.updated = 7; - cev = iwe_stream_add_event(cev, end_buf, &iwe, IW_EV_QUAL_LEN); - } - - if (!enabled_save) - zd1201_disable(zd); - - srq->length = cev - extra; - srq->flags = 0; - - return 0; -} - -static int zd1201_set_essid(struct net_device *dev, - struct iw_request_info *info, struct iw_point *data, char *essid) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - - if (data->length > IW_ESSID_MAX_SIZE) - return -EINVAL; - if (data->length < 1) - data->length = 1; - zd->essidlen = data->length-1; - memset(zd->essid, 0, IW_ESSID_MAX_SIZE+1); - memcpy(zd->essid, essid, data->length); - return zd1201_join(zd, zd->essid, zd->essidlen); -} - -static int zd1201_get_essid(struct net_device *dev, - struct iw_request_info *info, struct iw_point *data, char *essid) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - - memcpy(essid, zd->essid, zd->essidlen); - data->flags = 1; - data->length = zd->essidlen; - - return 0; -} - -static int zd1201_get_nick(struct net_device *dev, struct iw_request_info *info, - struct iw_point *data, char *nick) -{ - strcpy(nick, "zd1201"); - data->flags = 1; - data->length = strlen(nick); - return 0; -} - -static int zd1201_set_rate(struct net_device *dev, - struct iw_request_info *info, struct iw_param *rrq, char *extra) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - short rate; - int err; - - switch (rrq->value) { - case 1000000: - rate = ZD1201_RATEB1; - break; - case 2000000: - rate = ZD1201_RATEB2; - break; - case 5500000: - rate = ZD1201_RATEB5; - break; - case 11000000: - default: - rate = ZD1201_RATEB11; - break; - } - if (!rrq->fixed) { /* Also enable all lower bitrates */ - rate |= rate-1; - } - - err = zd1201_setconfig16(zd, ZD1201_RID_TXRATECNTL, rate); - if (err) - return err; - - return zd1201_mac_reset(zd); -} - -static int zd1201_get_rate(struct net_device *dev, - struct iw_request_info *info, struct iw_param *rrq, char *extra) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - short rate; - int err; - - err = zd1201_getconfig16(zd, ZD1201_RID_CURRENTTXRATE, &rate); - if (err) - return err; - - switch(rate) { - case 1: - rrq->value = 1000000; - break; - case 2: - rrq->value = 2000000; - break; - case 5: - rrq->value = 5500000; - break; - case 11: - rrq->value = 11000000; - break; - default: - rrq->value = 0; - } - rrq->fixed = 0; - rrq->disabled = 0; - - return 0; -} - -static int zd1201_set_rts(struct net_device *dev, struct iw_request_info *info, - struct iw_param *rts, char *extra) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - int err; - short val = rts->value; - - if (rts->disabled || !rts->fixed) - val = ZD1201_RTSMAX; - if (val > ZD1201_RTSMAX) - return -EINVAL; - if (val < 0) - return -EINVAL; - - err = zd1201_setconfig16(zd, ZD1201_RID_CNFRTSTHRESHOLD, val); - if (err) - return err; - return zd1201_mac_reset(zd); -} - -static int zd1201_get_rts(struct net_device *dev, struct iw_request_info *info, - struct iw_param *rts, char *extra) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - short rtst; - int err; - - err = zd1201_getconfig16(zd, ZD1201_RID_CNFRTSTHRESHOLD, &rtst); - if (err) - return err; - rts->value = rtst; - rts->disabled = (rts->value == ZD1201_RTSMAX); - rts->fixed = 1; - - return 0; -} - -static int zd1201_set_frag(struct net_device *dev, struct iw_request_info *info, - struct iw_param *frag, char *extra) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - int err; - short val = frag->value; - - if (frag->disabled || !frag->fixed) - val = ZD1201_FRAGMAX; - if (val > ZD1201_FRAGMAX) - return -EINVAL; - if (val < ZD1201_FRAGMIN) - return -EINVAL; - if (val & 1) - return -EINVAL; - err = zd1201_setconfig16(zd, ZD1201_RID_CNFFRAGTHRESHOLD, val); - if (err) - return err; - return zd1201_mac_reset(zd); -} - -static int zd1201_get_frag(struct net_device *dev, struct iw_request_info *info, - struct iw_param *frag, char *extra) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - short fragt; - int err; - - err = zd1201_getconfig16(zd, ZD1201_RID_CNFFRAGTHRESHOLD, &fragt); - if (err) - return err; - frag->value = fragt; - frag->disabled = (frag->value == ZD1201_FRAGMAX); - frag->fixed = 1; - - return 0; -} - -static int zd1201_set_retry(struct net_device *dev, - struct iw_request_info *info, struct iw_param *rrq, char *extra) -{ - return 0; -} - -static int zd1201_get_retry(struct net_device *dev, - struct iw_request_info *info, struct iw_param *rrq, char *extra) -{ - return 0; -} - -static int zd1201_set_encode(struct net_device *dev, - struct iw_request_info *info, struct iw_point *erq, char *key) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - short i; - int err, rid; - - if (erq->length > ZD1201_MAXKEYLEN) - return -EINVAL; - - i = (erq->flags & IW_ENCODE_INDEX)-1; - if (i == -1) { - err = zd1201_getconfig16(zd,ZD1201_RID_CNFDEFAULTKEYID,&i); - if (err) - return err; - } else { - err = zd1201_setconfig16(zd, ZD1201_RID_CNFDEFAULTKEYID, i); - if (err) - return err; - } - - if (i < 0 || i >= ZD1201_NUMKEYS) - return -EINVAL; - - rid = ZD1201_RID_CNFDEFAULTKEY0 + i; - err = zd1201_setconfig(zd, rid, key, erq->length, 1); - if (err) - return err; - zd->encode_keylen[i] = erq->length; - memcpy(zd->encode_keys[i], key, erq->length); - - i=0; - if (!(erq->flags & IW_ENCODE_DISABLED & IW_ENCODE_MODE)) { - i |= 0x01; - zd->encode_enabled = 1; - } else - zd->encode_enabled = 0; - if (erq->flags & IW_ENCODE_RESTRICTED & IW_ENCODE_MODE) { - i |= 0x02; - zd->encode_restricted = 1; - } else - zd->encode_restricted = 0; - err = zd1201_setconfig16(zd, ZD1201_RID_CNFWEBFLAGS, i); - if (err) - return err; - - if (zd->encode_enabled) - i = ZD1201_CNFAUTHENTICATION_SHAREDKEY; - else - i = ZD1201_CNFAUTHENTICATION_OPENSYSTEM; - err = zd1201_setconfig16(zd, ZD1201_RID_CNFAUTHENTICATION, i); - if (err) - return err; - - return zd1201_mac_reset(zd); -} - -static int zd1201_get_encode(struct net_device *dev, - struct iw_request_info *info, struct iw_point *erq, char *key) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - short i; - int err; - - if (zd->encode_enabled) - erq->flags = IW_ENCODE_ENABLED; - else - erq->flags = IW_ENCODE_DISABLED; - if (zd->encode_restricted) - erq->flags |= IW_ENCODE_RESTRICTED; - else - erq->flags |= IW_ENCODE_OPEN; - - i = (erq->flags & IW_ENCODE_INDEX) -1; - if (i == -1) { - err = zd1201_getconfig16(zd, ZD1201_RID_CNFDEFAULTKEYID, &i); - if (err) - return err; - } - if (i<0 || i>= ZD1201_NUMKEYS) - return -EINVAL; - - erq->flags |= i+1; - - erq->length = zd->encode_keylen[i]; - memcpy(key, zd->encode_keys[i], erq->length); - - return 0; -} - -static int zd1201_set_power(struct net_device *dev, - struct iw_request_info *info, struct iw_param *vwrq, char *extra) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - short enabled, duration, level; - int err; - - enabled = vwrq->disabled ? 0 : 1; - if (enabled) { - if (vwrq->flags & IW_POWER_PERIOD) { - duration = vwrq->value; - err = zd1201_setconfig16(zd, - ZD1201_RID_CNFMAXSLEEPDURATION, duration); - if (err) - return err; - goto out; - } - if (vwrq->flags & IW_POWER_TIMEOUT) { - err = zd1201_getconfig16(zd, - ZD1201_RID_CNFMAXSLEEPDURATION, &duration); - if (err) - return err; - level = vwrq->value * 4 / duration; - if (level > 4) - level = 4; - if (level < 0) - level = 0; - err = zd1201_setconfig16(zd, ZD1201_RID_CNFPMEPS, - level); - if (err) - return err; - goto out; - } - return -EINVAL; - } -out: - err = zd1201_setconfig16(zd, ZD1201_RID_CNFPMENABLED, enabled); - if (err) - return err; - - return 0; -} - -static int zd1201_get_power(struct net_device *dev, - struct iw_request_info *info, struct iw_param *vwrq, char *extra) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - short enabled, level, duration; - int err; - - err = zd1201_getconfig16(zd, ZD1201_RID_CNFPMENABLED, &enabled); - if (err) - return err; - err = zd1201_getconfig16(zd, ZD1201_RID_CNFPMEPS, &level); - if (err) - return err; - err = zd1201_getconfig16(zd, ZD1201_RID_CNFMAXSLEEPDURATION, &duration); - if (err) - return err; - vwrq->disabled = enabled ? 0 : 1; - if (vwrq->flags & IW_POWER_TYPE) { - if (vwrq->flags & IW_POWER_PERIOD) { - vwrq->value = duration; - vwrq->flags = IW_POWER_PERIOD; - } else { - vwrq->value = duration * level / 4; - vwrq->flags = IW_POWER_TIMEOUT; - } - } - if (vwrq->flags & IW_POWER_MODE) { - if (enabled && level) - vwrq->flags = IW_POWER_UNICAST_R; - else - vwrq->flags = IW_POWER_ALL_R; - } - - return 0; -} - - -static const iw_handler zd1201_iw_handler[] = -{ - (iw_handler) zd1201_config_commit, /* SIOCSIWCOMMIT */ - (iw_handler) zd1201_get_name, /* SIOCGIWNAME */ - (iw_handler) NULL, /* SIOCSIWNWID */ - (iw_handler) NULL, /* SIOCGIWNWID */ - (iw_handler) zd1201_set_freq, /* SIOCSIWFREQ */ - (iw_handler) zd1201_get_freq, /* SIOCGIWFREQ */ - (iw_handler) zd1201_set_mode, /* SIOCSIWMODE */ - (iw_handler) zd1201_get_mode, /* SIOCGIWMODE */ - (iw_handler) NULL, /* SIOCSIWSENS */ - (iw_handler) NULL, /* SIOCGIWSENS */ - (iw_handler) NULL, /* SIOCSIWRANGE */ - (iw_handler) zd1201_get_range, /* SIOCGIWRANGE */ - (iw_handler) NULL, /* SIOCSIWPRIV */ - (iw_handler) NULL, /* SIOCGIWPRIV */ - (iw_handler) NULL, /* SIOCSIWSTATS */ - (iw_handler) NULL, /* SIOCGIWSTATS */ - (iw_handler) NULL, /* SIOCSIWSPY */ - (iw_handler) NULL, /* SIOCGIWSPY */ - (iw_handler) NULL, /* -- hole -- */ - (iw_handler) NULL, /* -- hole -- */ - (iw_handler) NULL/*zd1201_set_wap*/, /* SIOCSIWAP */ - (iw_handler) zd1201_get_wap, /* SIOCGIWAP */ - (iw_handler) NULL, /* -- hole -- */ - (iw_handler) NULL, /* SIOCGIWAPLIST */ - (iw_handler) zd1201_set_scan, /* SIOCSIWSCAN */ - (iw_handler) zd1201_get_scan, /* SIOCGIWSCAN */ - (iw_handler) zd1201_set_essid, /* SIOCSIWESSID */ - (iw_handler) zd1201_get_essid, /* SIOCGIWESSID */ - (iw_handler) NULL, /* SIOCSIWNICKN */ - (iw_handler) zd1201_get_nick, /* SIOCGIWNICKN */ - (iw_handler) NULL, /* -- hole -- */ - (iw_handler) NULL, /* -- hole -- */ - (iw_handler) zd1201_set_rate, /* SIOCSIWRATE */ - (iw_handler) zd1201_get_rate, /* SIOCGIWRATE */ - (iw_handler) zd1201_set_rts, /* SIOCSIWRTS */ - (iw_handler) zd1201_get_rts, /* SIOCGIWRTS */ - (iw_handler) zd1201_set_frag, /* SIOCSIWFRAG */ - (iw_handler) zd1201_get_frag, /* SIOCGIWFRAG */ - (iw_handler) NULL, /* SIOCSIWTXPOW */ - (iw_handler) NULL, /* SIOCGIWTXPOW */ - (iw_handler) zd1201_set_retry, /* SIOCSIWRETRY */ - (iw_handler) zd1201_get_retry, /* SIOCGIWRETRY */ - (iw_handler) zd1201_set_encode, /* SIOCSIWENCODE */ - (iw_handler) zd1201_get_encode, /* SIOCGIWENCODE */ - (iw_handler) zd1201_set_power, /* SIOCSIWPOWER */ - (iw_handler) zd1201_get_power, /* SIOCGIWPOWER */ -}; - -static int zd1201_set_hostauth(struct net_device *dev, - struct iw_request_info *info, struct iw_param *rrq, char *extra) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - int err; - - if (!zd->ap) - return -EOPNOTSUPP; - - err = zd1201_setconfig16(zd, ZD1201_RID_CNFHOSTAUTH, rrq->value); - if (err) - return err; - return 0; -} - -static int zd1201_get_hostauth(struct net_device *dev, - struct iw_request_info *info, struct iw_param *rrq, char *extra) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - short hostauth; - int err; - - if (!zd->ap) - return -EOPNOTSUPP; - - err = zd1201_getconfig16(zd, ZD1201_RID_CNFHOSTAUTH, &hostauth); - if (err) - return err; - rrq->value = hostauth; - rrq->fixed = 1; - - return 0; -} - -static int zd1201_auth_sta(struct net_device *dev, - struct iw_request_info *info, struct sockaddr *sta, char *extra) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - unsigned char buffer[10]; - - if (!zd->ap) - return -EOPNOTSUPP; - - memcpy(buffer, sta->sa_data, ETH_ALEN); - *(short*)(buffer+6) = 0; /* 0==success, 1==failure */ - *(short*)(buffer+8) = 0; - - return zd1201_setconfig(zd, ZD1201_RID_AUTHENTICATESTA, buffer, 10, 1); -} - -static int zd1201_set_maxassoc(struct net_device *dev, - struct iw_request_info *info, struct iw_param *rrq, char *extra) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - int err; - - if (!zd->ap) - return -EOPNOTSUPP; - - err = zd1201_setconfig16(zd, ZD1201_RID_CNFMAXASSOCSTATIONS, rrq->value); - if (err) - return err; - return 0; -} - -static int zd1201_get_maxassoc(struct net_device *dev, - struct iw_request_info *info, struct iw_param *rrq, char *extra) -{ - struct zd1201 *zd = (struct zd1201 *)dev->priv; - short maxassoc; - int err; - - if (!zd->ap) - return -EOPNOTSUPP; - - err = zd1201_getconfig16(zd, ZD1201_RID_CNFMAXASSOCSTATIONS, &maxassoc); - if (err) - return err; - rrq->value = maxassoc; - rrq->fixed = 1; - - return 0; -} - -static const iw_handler zd1201_private_handler[] = { - (iw_handler) zd1201_set_hostauth, /* ZD1201SIWHOSTAUTH */ - (iw_handler) zd1201_get_hostauth, /* ZD1201GIWHOSTAUTH */ - (iw_handler) zd1201_auth_sta, /* ZD1201SIWAUTHSTA */ - (iw_handler) NULL, /* nothing to get */ - (iw_handler) zd1201_set_maxassoc, /* ZD1201SIMAXASSOC */ - (iw_handler) zd1201_get_maxassoc, /* ZD1201GIMAXASSOC */ -}; - -static const struct iw_priv_args zd1201_private_args[] = { - { ZD1201SIWHOSTAUTH, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, - IW_PRIV_TYPE_NONE, "sethostauth" }, - { ZD1201GIWHOSTAUTH, IW_PRIV_TYPE_NONE, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostauth" }, - { ZD1201SIWAUTHSTA, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, - IW_PRIV_TYPE_NONE, "authstation" }, - { ZD1201SIWMAXASSOC, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, - IW_PRIV_TYPE_NONE, "setmaxassoc" }, - { ZD1201GIWMAXASSOC, IW_PRIV_TYPE_NONE, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmaxassoc" }, -}; - -static const struct iw_handler_def zd1201_iw_handlers = { - .num_standard = ARRAY_SIZE(zd1201_iw_handler), - .num_private = ARRAY_SIZE(zd1201_private_handler), - .num_private_args = ARRAY_SIZE(zd1201_private_args), - .standard = (iw_handler *)zd1201_iw_handler, - .private = (iw_handler *)zd1201_private_handler, - .private_args = (struct iw_priv_args *) zd1201_private_args, - .get_wireless_stats = zd1201_get_wireless_stats, -}; - -static int zd1201_probe(struct usb_interface *interface, - const struct usb_device_id *id) -{ - struct zd1201 *zd; - struct usb_device *usb; - int i, err; - short porttype; - char buf[IW_ESSID_MAX_SIZE+2]; - - usb = interface_to_usbdev(interface); - - zd = kzalloc(sizeof(struct zd1201), GFP_KERNEL); - if (!zd) - return -ENOMEM; - zd->ap = ap; - zd->usb = usb; - zd->removed = 0; - init_waitqueue_head(&zd->rxdataq); - INIT_HLIST_HEAD(&zd->fraglist); - - err = zd1201_fw_upload(usb, zd->ap); - if (err) { - dev_err(&usb->dev, "zd1201 firmware upload failed: %d\n", err); - goto err_zd; - } - - zd->endp_in = 1; - zd->endp_out = 1; - zd->endp_out2 = 2; - zd->rx_urb = usb_alloc_urb(0, GFP_KERNEL); - zd->tx_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!zd->rx_urb || !zd->tx_urb) - goto err_zd; - - for(i = 0; i<100; i++) - udelay(1000); - - err = zd1201_drvr_start(zd); - if (err) - goto err_zd; - - err = zd1201_setconfig16(zd, ZD1201_RID_CNFMAXDATALEN, 2312); - if (err) - goto err_start; - - err = zd1201_setconfig16(zd, ZD1201_RID_TXRATECNTL, - ZD1201_RATEB1 | ZD1201_RATEB2 | ZD1201_RATEB5 | ZD1201_RATEB11); - if (err) - goto err_start; - - zd->dev = alloc_etherdev(0); - if (!zd->dev) - goto err_start; - - zd->dev->priv = zd; - zd->dev->open = zd1201_net_open; - zd->dev->stop = zd1201_net_stop; - zd->dev->get_stats = zd1201_get_stats; - zd->dev->wireless_handlers = - (struct iw_handler_def *)&zd1201_iw_handlers; - zd->dev->hard_start_xmit = zd1201_hard_start_xmit; - zd->dev->watchdog_timeo = ZD1201_TX_TIMEOUT; - zd->dev->tx_timeout = zd1201_tx_timeout; - zd->dev->set_multicast_list = zd1201_set_multicast; - zd->dev->set_mac_address = zd1201_set_mac_address; - strcpy(zd->dev->name, "wlan%d"); - - err = zd1201_getconfig(zd, ZD1201_RID_CNFOWNMACADDR, - zd->dev->dev_addr, zd->dev->addr_len); - if (err) - goto err_net; - - /* Set wildcard essid to match zd->essid */ - *(__le16 *)buf = cpu_to_le16(0); - err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID, buf, - IW_ESSID_MAX_SIZE+2, 1); - if (err) - goto err_net; - - if (zd->ap) - porttype = ZD1201_PORTTYPE_AP; - else - porttype = ZD1201_PORTTYPE_BSS; - err = zd1201_setconfig16(zd, ZD1201_RID_CNFPORTTYPE, porttype); - if (err) - goto err_net; - - SET_NETDEV_DEV(zd->dev, &usb->dev); - - err = register_netdev(zd->dev); - if (err) - goto err_net; - dev_info(&usb->dev, "%s: ZD1201 USB Wireless interface\n", - zd->dev->name); - - usb_set_intfdata(interface, zd); - return 0; - -err_net: - free_netdev(zd->dev); -err_start: - /* Leave the device in reset state */ - zd1201_docmd(zd, ZD1201_CMDCODE_INIT, 0, 0, 0); -err_zd: - if (zd->tx_urb) - usb_free_urb(zd->tx_urb); - if (zd->rx_urb) - usb_free_urb(zd->rx_urb); - kfree(zd); - return err; -} - -static void zd1201_disconnect(struct usb_interface *interface) -{ - struct zd1201 *zd=(struct zd1201 *)usb_get_intfdata(interface); - struct hlist_node *node, *node2; - struct zd1201_frag *frag; - - if (!zd) - return; - usb_set_intfdata(interface, NULL); - if (zd->dev) { - unregister_netdev(zd->dev); - free_netdev(zd->dev); - } - - hlist_for_each_entry_safe(frag, node, node2, &zd->fraglist, fnode) { - hlist_del_init(&frag->fnode); - kfree_skb(frag->skb); - kfree(frag); - } - - if (zd->tx_urb) { - usb_kill_urb(zd->tx_urb); - usb_free_urb(zd->tx_urb); - } - if (zd->rx_urb) { - usb_kill_urb(zd->rx_urb); - usb_free_urb(zd->rx_urb); - } - kfree(zd); -} - -#ifdef CONFIG_PM - -static int zd1201_suspend(struct usb_interface *interface, - pm_message_t message) -{ - struct zd1201 *zd = usb_get_intfdata(interface); - - netif_device_detach(zd->dev); - - zd->was_enabled = zd->mac_enabled; - - if (zd->was_enabled) - return zd1201_disable(zd); - else - return 0; -} - -static int zd1201_resume(struct usb_interface *interface) -{ - struct zd1201 *zd = usb_get_intfdata(interface); - - if (!zd || !zd->dev) - return -ENODEV; - - netif_device_attach(zd->dev); - - if (zd->was_enabled) - return zd1201_enable(zd); - else - return 0; -} - -#else - -#define zd1201_suspend NULL -#define zd1201_resume NULL - -#endif - -static struct usb_driver zd1201_usb = { - .name = "zd1201", - .probe = zd1201_probe, - .disconnect = zd1201_disconnect, - .id_table = zd1201_table, - .suspend = zd1201_suspend, - .resume = zd1201_resume, -}; - -static int __init zd1201_init(void) -{ - return usb_register(&zd1201_usb); -} - -static void __exit zd1201_cleanup(void) -{ - usb_deregister(&zd1201_usb); -} - -module_init(zd1201_init); -module_exit(zd1201_cleanup); diff --git a/drivers/usb/net/zd1201.h b/drivers/usb/net/zd1201.h deleted file mode 100644 index 235f0ee34b24..000000000000 --- a/drivers/usb/net/zd1201.h +++ /dev/null @@ -1,148 +0,0 @@ -/* - * Copyright (c) 2004, 2005 Jeroen Vreeken (pe1rxq@amsat.org) - * - * 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. - * - * Parts of this driver have been derived from a wlan-ng version - * modified by ZyDAS. - * Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. - */ - -#ifndef _INCLUDE_ZD1201_H_ -#define _INCLUDE_ZD1201_H_ - -#define ZD1201_NUMKEYS 4 -#define ZD1201_MAXKEYLEN 13 -#define ZD1201_MAXMULTI 16 -#define ZD1201_FRAGMAX 2500 -#define ZD1201_FRAGMIN 256 -#define ZD1201_RTSMAX 2500 - -#define ZD1201_RXSIZE 3000 - -struct zd1201 { - struct usb_device *usb; - int removed; - struct net_device *dev; - struct net_device_stats stats; - struct iw_statistics iwstats; - - int endp_in; - int endp_out; - int endp_out2; - struct urb *rx_urb; - struct urb *tx_urb; - - unsigned char rxdata[ZD1201_RXSIZE]; - int rxlen; - wait_queue_head_t rxdataq; - int rxdatas; - struct hlist_head fraglist; - unsigned char txdata[ZD1201_RXSIZE]; - - int ap; - char essid[IW_ESSID_MAX_SIZE+1]; - int essidlen; - int mac_enabled; - int was_enabled; - int monitor; - int encode_enabled; - int encode_restricted; - unsigned char encode_keys[ZD1201_NUMKEYS][ZD1201_MAXKEYLEN]; - int encode_keylen[ZD1201_NUMKEYS]; -}; - -struct zd1201_frag { - struct hlist_node fnode; - int seq; - struct sk_buff *skb; -}; - -#define ZD1201SIWHOSTAUTH SIOCIWFIRSTPRIV -#define ZD1201GIWHOSTAUTH ZD1201SIWHOSTAUTH+1 -#define ZD1201SIWAUTHSTA SIOCIWFIRSTPRIV+2 -#define ZD1201SIWMAXASSOC SIOCIWFIRSTPRIV+4 -#define ZD1201GIWMAXASSOC ZD1201SIWMAXASSOC+1 - -#define ZD1201_FW_TIMEOUT (1000) - -#define ZD1201_TX_TIMEOUT (2000) - -#define ZD1201_USB_CMDREQ 0 -#define ZD1201_USB_RESREQ 1 - -#define ZD1201_CMDCODE_INIT 0x00 -#define ZD1201_CMDCODE_ENABLE 0x01 -#define ZD1201_CMDCODE_DISABLE 0x02 -#define ZD1201_CMDCODE_ALLOC 0x0a -#define ZD1201_CMDCODE_INQUIRE 0x11 -#define ZD1201_CMDCODE_SETRXRID 0x17 -#define ZD1201_CMDCODE_ACCESS 0x21 - -#define ZD1201_PACKET_EVENTSTAT 0x0 -#define ZD1201_PACKET_RXDATA 0x1 -#define ZD1201_PACKET_INQUIRE 0x2 -#define ZD1201_PACKET_RESOURCE 0x3 - -#define ZD1201_ACCESSBIT 0x0100 - -#define ZD1201_RID_CNFPORTTYPE 0xfc00 -#define ZD1201_RID_CNFOWNMACADDR 0xfc01 -#define ZD1201_RID_CNFDESIREDSSID 0xfc02 -#define ZD1201_RID_CNFOWNCHANNEL 0xfc03 -#define ZD1201_RID_CNFOWNSSID 0xfc04 -#define ZD1201_RID_CNFMAXDATALEN 0xfc07 -#define ZD1201_RID_CNFPMENABLED 0xfc09 -#define ZD1201_RID_CNFPMEPS 0xfc0a -#define ZD1201_RID_CNFMAXSLEEPDURATION 0xfc0c -#define ZD1201_RID_CNFDEFAULTKEYID 0xfc23 -#define ZD1201_RID_CNFDEFAULTKEY0 0xfc24 -#define ZD1201_RID_CNFDEFAULTKEY1 0xfc25 -#define ZD1201_RID_CNFDEFAULTKEY2 0xfc26 -#define ZD1201_RID_CNFDEFAULTKEY3 0xfc27 -#define ZD1201_RID_CNFWEBFLAGS 0xfc28 -#define ZD1201_RID_CNFAUTHENTICATION 0xfc2a -#define ZD1201_RID_CNFMAXASSOCSTATIONS 0xfc2b -#define ZD1201_RID_CNFHOSTAUTH 0xfc2e -#define ZD1201_RID_CNFGROUPADDRESS 0xfc80 -#define ZD1201_RID_CNFFRAGTHRESHOLD 0xfc82 -#define ZD1201_RID_CNFRTSTHRESHOLD 0xfc83 -#define ZD1201_RID_TXRATECNTL 0xfc84 -#define ZD1201_RID_PROMISCUOUSMODE 0xfc85 -#define ZD1201_RID_CNFBASICRATES 0xfcb3 -#define ZD1201_RID_AUTHENTICATESTA 0xfce3 -#define ZD1201_RID_CURRENTBSSID 0xfd42 -#define ZD1201_RID_COMMSQUALITY 0xfd43 -#define ZD1201_RID_CURRENTTXRATE 0xfd44 -#define ZD1201_RID_CNFMAXTXBUFFERNUMBER 0xfda0 -#define ZD1201_RID_CURRENTCHANNEL 0xfdc1 - -#define ZD1201_INQ_SCANRESULTS 0xf101 - -#define ZD1201_INF_LINKSTATUS 0xf200 -#define ZD1201_INF_ASSOCSTATUS 0xf201 -#define ZD1201_INF_AUTHREQ 0xf202 - -#define ZD1201_ASSOCSTATUS_STAASSOC 0x1 -#define ZD1201_ASSOCSTATUS_REASSOC 0x2 -#define ZD1201_ASSOCSTATUS_DISASSOC 0x3 -#define ZD1201_ASSOCSTATUS_ASSOCFAIL 0x4 -#define ZD1201_ASSOCSTATUS_AUTHFAIL 0x5 - -#define ZD1201_PORTTYPE_IBSS 0 -#define ZD1201_PORTTYPE_BSS 1 -#define ZD1201_PORTTYPE_WDS 2 -#define ZD1201_PORTTYPE_PSEUDOIBSS 3 -#define ZD1201_PORTTYPE_AP 6 - -#define ZD1201_RATEB1 1 -#define ZD1201_RATEB2 2 -#define ZD1201_RATEB5 4 /* 5.5 really, but 5 is shorter :) */ -#define ZD1201_RATEB11 8 - -#define ZD1201_CNFAUTHENTICATION_OPENSYSTEM 0x0001 -#define ZD1201_CNFAUTHENTICATION_SHAREDKEY 0x0002 - -#endif /* _INCLUDE_ZD1201_H_ */ diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig index 5c60be521561..8bd44fda5eaf 100644 --- a/drivers/usb/serial/Kconfig +++ b/drivers/usb/serial/Kconfig @@ -417,7 +417,7 @@ config USB_SERIAL_MCT_U232 Magic Control Technology Corp. (U232 is one of the model numbers). This driver also works with Sitecom U232-P25 and D-Link DU-H3SP USB - BAY devices. + BAY, Belkin F5U109, and Belkin F5U409 devices. To compile this driver as a module, choose M here: the module will be called mct_u232. @@ -491,16 +491,22 @@ config USB_SERIAL_XIRCOM module will be called keyspan_pda. config USB_SERIAL_OPTION - tristate "USB Option PCMCIA serial driver" - depends on USB_SERIAL && USB_OHCI_HCD && PCCARD + tristate "USB driver for GSM modems" + depends on USB_SERIAL help - Say Y here if you want to use an Option card. This is a - GSM card, controlled by three serial ports which are connected - via an OHCI adapter located on a PC card. + Say Y here if you have an "Option" GSM PCMCIA card + (or an OEM version: branded Huawei, Audiovox, or Novatel). + + These cards feature a built-in OHCI-USB adapter and an + internally-connected GSM modem. The USB bus is not + accessible externally. To compile this driver as a module, choose M here: the module will be called option. + If this driver doesn't recognize your device, + it might be accessible via the FTDI_SIO driver. + config USB_SERIAL_OMNINET tristate "USB ZyXEL omni.net LCD Plus Driver (EXPERIMENTAL)" depends on USB_SERIAL && EXPERIMENTAL diff --git a/drivers/usb/serial/airprime.c b/drivers/usb/serial/airprime.c index 694b205f9b73..94b9ba0ff875 100644 --- a/drivers/usb/serial/airprime.c +++ b/drivers/usb/serial/airprime.c @@ -16,9 +16,11 @@ #include "usb-serial.h" static struct usb_device_id id_table [] = { + { USB_DEVICE(0x0c88, 0x17da) }, /* Kyocera Wireless KPC650/Passport */ { USB_DEVICE(0xf3d, 0x0112) }, /* AirPrime CDMA Wireless PC Card */ { USB_DEVICE(0x1410, 0x1110) }, /* Novatel Wireless Merlin CDMA */ { USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless Aircard 580 */ + { USB_DEVICE(0x1199, 0x0218) }, /* Sierra Wireless MC5720 */ { }, }; MODULE_DEVICE_TABLE(usb, id_table); diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c index 8023bb7279b1..f3404e10afb4 100644 --- a/drivers/usb/serial/console.c +++ b/drivers/usb/serial/console.c @@ -202,7 +202,7 @@ static void usb_console_write(struct console *co, const char *buf, unsigned coun struct usb_serial *serial; int retval = -ENODEV; - if (!port) + if (!port || port->serial->dev->state == USB_STATE_NOTATTACHED) return; serial = port->serial; @@ -213,17 +213,38 @@ static void usb_console_write(struct console *co, const char *buf, unsigned coun if (!port->open_count) { dbg ("%s - port not opened", __FUNCTION__); - goto exit; + return; } - /* pass on to the driver specific version of this function if it is available */ - if (serial->type->write) - retval = serial->type->write(port, buf, count); - else - retval = usb_serial_generic_write(port, buf, count); - -exit: - dbg("%s - return value (if we had one): %d", __FUNCTION__, retval); + while (count) { + unsigned int i; + unsigned int lf; + /* search for LF so we can insert CR if necessary */ + for (i=0, lf=0 ; i < count ; i++) { + if (*(buf + i) == 10) { + lf = 1; + i++; + break; + } + } + /* pass on to the driver specific version of this function if it is available */ + if (serial->type->write) + retval = serial->type->write(port, buf, i); + else + retval = usb_serial_generic_write(port, buf, i); + dbg("%s - return value : %d", __FUNCTION__, retval); + if (lf) { + /* append CR after LF */ + unsigned char cr = 13; + if (serial->type->write) + retval = serial->type->write(port, &cr, 1); + else + retval = usb_serial_generic_write(port, &cr, 1); + dbg("%s - return value : %d", __FUNCTION__, retval); + } + buf += i; + count -= i; + } } static struct console usbcons = { @@ -234,6 +255,14 @@ static struct console usbcons = { .index = -1, }; +void usb_serial_console_disconnect(struct usb_serial *serial) +{ + if (serial && serial->port && serial->port[0] && serial->port[0] == usbcons_info.port) { + usb_serial_console_exit(); + usb_serial_put(serial); + } +} + void usb_serial_console_init (int serial_debug, int minor) { debug = serial_debug; @@ -259,6 +288,11 @@ void usb_serial_console_init (int serial_debug, int minor) void usb_serial_console_exit (void) { - unregister_console(&usbcons); + if (usbcons_info.port) { + unregister_console(&usbcons); + if (usbcons_info.port->open_count) + usbcons_info.port->open_count--; + usbcons_info.port = NULL; + } } diff --git a/drivers/usb/serial/cp2101.c b/drivers/usb/serial/cp2101.c index e0c2acdb3f06..f8c0cb287736 100644 --- a/drivers/usb/serial/cp2101.c +++ b/drivers/usb/serial/cp2101.c @@ -59,6 +59,7 @@ static struct usb_device_id id_table [] = { { USB_DEVICE(0x10AB, 0x10C5) }, /* Siemens MC60 Cable */ { USB_DEVICE(0x10B5, 0xAC70) }, /* Nokia CA-42 USB */ { USB_DEVICE(0x10C4, 0x803B) }, /* Pololu USB-serial converter */ + { USB_DEVICE(0x10C4, 0x8066) }, /* Argussoft In-System Programmer */ { USB_DEVICE(0x10C4, 0x807A) }, /* Crumb128 board */ { USB_DEVICE(0x10C4, 0x80CA) }, /* Degree Controls Inc */ { USB_DEVICE(0x10C4, 0x80F6) }, /* Suunto sports instrument */ diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c index 2357b1d102d7..1fd5c5a9f2ef 100644 --- a/drivers/usb/serial/cyberjack.c +++ b/drivers/usb/serial/cyberjack.c @@ -469,7 +469,7 @@ static void cyberjack_write_bulk_callback (struct urb *urb, struct pt_regs *regs exit: spin_unlock(&priv->lock); - schedule_work(&port->work); + usb_serial_port_softint(port); } static int __init cyberjack_init (void) diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c index 7212fbe3b6f2..5de76efe1b37 100644 --- a/drivers/usb/serial/cypress_m8.c +++ b/drivers/usb/serial/cypress_m8.c @@ -824,7 +824,7 @@ send: priv->bytes_out += count; /* do not count the line control and size bytes */ spin_unlock_irqrestore(&priv->lock, flags); - schedule_work(&port->work); + usb_serial_port_softint(port); } /* cypress_send */ diff --git a/drivers/usb/serial/empeg.c b/drivers/usb/serial/empeg.c index 63f7c78a1152..afca1eae5fb5 100644 --- a/drivers/usb/serial/empeg.c +++ b/drivers/usb/serial/empeg.c @@ -335,7 +335,7 @@ static void empeg_write_bulk_callback (struct urb *urb, struct pt_regs *regs) return; } - schedule_work(&port->work); + usb_serial_port_softint(port); } diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 986d7622273d..b2bfea7c815a 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -500,6 +500,7 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(ICOM_ID1_VID, ICOM_ID1_PID) }, { USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) }, { }, /* Optional parameter entry */ { } /* Terminating entry */ }; @@ -1261,7 +1262,6 @@ static void ftdi_shutdown (struct usb_serial *serial) static int ftdi_open (struct usb_serial_port *port, struct file *filp) { /* ftdi_open */ - struct termios tmp_termios; struct usb_device *dev = port->serial->dev; struct ftdi_private *priv = usb_get_serial_port_data(port); unsigned long flags; @@ -1271,8 +1271,8 @@ static int ftdi_open (struct usb_serial_port *port, struct file *filp) dbg("%s", __FUNCTION__); - - port->tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0; + if (port->tty) + port->tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0; /* No error checking for this (will get errors later anyway) */ /* See ftdi_sio.h for description of what is reset */ @@ -1286,7 +1286,8 @@ static int ftdi_open (struct usb_serial_port *port, struct file *filp) This is same behaviour as serial.c/rs_open() - Kuba */ /* ftdi_set_termios will send usb control messages */ - ftdi_set_termios(port, &tmp_termios); + if (port->tty) + ftdi_set_termios(port, NULL); /* FIXME: Flow control might be enabled, so it should be checked - we have no control of defaults! */ @@ -1472,7 +1473,7 @@ static void ftdi_write_bulk_callback (struct urb *urb, struct pt_regs *regs) return; } - schedule_work(&port->work); + usb_serial_port_softint(port); } /* ftdi_write_bulk_callback */ @@ -1867,7 +1868,7 @@ static void ftdi_set_termios (struct usb_serial_port *port, struct termios *old_ err("%s urb failed to set baudrate", __FUNCTION__); } /* Ensure RTS and DTR are raised when baudrate changed from 0 */ - if ((old_termios->c_cflag & CBAUD) == B0) { + if (!old_termios || (old_termios->c_cflag & CBAUD) == B0) { set_mctrl(port, TIOCM_DTR | TIOCM_RTS); } } diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h index d69a917e768f..6ab2ac845bd7 100644 --- a/drivers/usb/serial/ftdi_sio.h +++ b/drivers/usb/serial/ftdi_sio.h @@ -436,6 +436,12 @@ */ #define FTDI_ACG_HFDUAL_PID 0xDD20 /* HF Dual ISO Reader (RFID) */ +/* + * Yost Engineering, Inc. products (www.yostengineering.com). + * PID 0xE050 submitted by Aaron Prose. + */ +#define FTDI_YEI_SERVOCENTER31_PID 0xE050 /* YEI ServoCenter3.1 USB */ + /* Commands */ #define FTDI_SIO_RESET 0 /* Reset the port */ #define FTDI_SIO_MODEM_CTRL 1 /* Set the modem control register */ diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c index 5ec9bf5bac8d..04767759cf8a 100644 --- a/drivers/usb/serial/garmin_gps.c +++ b/drivers/usb/serial/garmin_gps.c @@ -1012,7 +1012,7 @@ static void garmin_write_bulk_callback (struct urb *urb, struct pt_regs *regs) garmin_data_p->flags |= CLEAR_HALT_REQUIRED; } - schedule_work(&port->work); + usb_serial_port_softint(port); } diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index c62cc2876519..07a478c59fb2 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -299,9 +299,7 @@ void usb_serial_generic_write_bulk_callback (struct urb *urb, struct pt_regs *re return; } - usb_serial_port_softint((void *)port); - - schedule_work(&port->work); + usb_serial_port_softint(port); } EXPORT_SYMBOL_GPL(usb_serial_generic_write_bulk_callback); diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c index b606c5968102..b85d2156dfdc 100644 --- a/drivers/usb/serial/io_edgeport.c +++ b/drivers/usb/serial/io_edgeport.c @@ -142,7 +142,7 @@ struct edgeport_port { /* This structure holds all of the individual device information */ struct edgeport_serial { - char name[MAX_NAME_LEN+1]; /* string name of this device */ + char name[MAX_NAME_LEN+2]; /* string name of this device */ struct edge_manuf_descriptor manuf_descriptor; /* the manufacturer descriptor */ struct edge_boot_descriptor boot_descriptor; /* the boot firmware descriptor */ @@ -270,7 +270,7 @@ static void get_manufacturing_desc (struct edgeport_serial *edge_serial); static void get_boot_desc (struct edgeport_serial *edge_serial); static void load_application_firmware (struct edgeport_serial *edge_serial); -static void unicode_to_ascii (char *string, __le16 *unicode, int unicode_size); +static void unicode_to_ascii(char *string, int buflen, __le16 *unicode, int unicode_size); // ************************************************************************ @@ -373,7 +373,7 @@ static void update_edgeport_E2PROM (struct edgeport_serial *edge_serial) * Get string descriptor from device * * * ************************************************************************/ -static int get_string (struct usb_device *dev, int Id, char *string) +static int get_string (struct usb_device *dev, int Id, char *string, int buflen) { struct usb_string_descriptor StringDesc; struct usb_string_descriptor *pStringDesc; @@ -395,7 +395,7 @@ static int get_string (struct usb_device *dev, int Id, char *string) return 0; } - unicode_to_ascii(string, pStringDesc->wData, pStringDesc->bLength/2-1); + unicode_to_ascii(string, buflen, pStringDesc->wData, pStringDesc->bLength/2); kfree(pStringDesc); return strlen(string); @@ -2564,16 +2564,20 @@ static void change_port_settings (struct edgeport_port *edge_port, struct termio * ASCII range, but it's only for debugging... * NOTE: expects the unicode in LE format ****************************************************************************/ -static void unicode_to_ascii (char *string, __le16 *unicode, int unicode_size) +static void unicode_to_ascii(char *string, int buflen, __le16 *unicode, int unicode_size) { int i; - if (unicode_size <= 0) + if (buflen <= 0) /* never happens, but... */ return; + --buflen; /* space for nul */ - for (i = 0; i < unicode_size; ++i) + for (i = 0; i < unicode_size; i++) { + if (i >= buflen) + break; string[i] = (char)(le16_to_cpu(unicode[i])); - string[unicode_size] = 0x00; + } + string[i] = 0x00; } @@ -2603,11 +2607,17 @@ static void get_manufacturing_desc (struct edgeport_serial *edge_serial) dbg(" BoardRev: %d", edge_serial->manuf_descriptor.BoardRev); dbg(" NumPorts: %d", edge_serial->manuf_descriptor.NumPorts); dbg(" DescDate: %d/%d/%d", edge_serial->manuf_descriptor.DescDate[0], edge_serial->manuf_descriptor.DescDate[1], edge_serial->manuf_descriptor.DescDate[2]+1900); - unicode_to_ascii (string, edge_serial->manuf_descriptor.SerialNumber, edge_serial->manuf_descriptor.SerNumLength/2-1); + unicode_to_ascii(string, sizeof(string), + edge_serial->manuf_descriptor.SerialNumber, + edge_serial->manuf_descriptor.SerNumLength/2); dbg(" SerialNumber: %s", string); - unicode_to_ascii (string, edge_serial->manuf_descriptor.AssemblyNumber, edge_serial->manuf_descriptor.AssemblyNumLength/2-1); + unicode_to_ascii(string, sizeof(string), + edge_serial->manuf_descriptor.AssemblyNumber, + edge_serial->manuf_descriptor.AssemblyNumLength/2); dbg(" AssemblyNumber: %s", string); - unicode_to_ascii (string, edge_serial->manuf_descriptor.OemAssyNumber, edge_serial->manuf_descriptor.OemAssyNumLength/2-1); + unicode_to_ascii(string, sizeof(string), + edge_serial->manuf_descriptor.OemAssyNumber, + edge_serial->manuf_descriptor.OemAssyNumLength/2); dbg(" OemAssyNumber: %s", string); dbg(" UartType: %d", edge_serial->manuf_descriptor.UartType); dbg(" IonPid: %d", edge_serial->manuf_descriptor.IonPid); @@ -2720,7 +2730,7 @@ static int edge_startup (struct usb_serial *serial) struct edgeport_serial *edge_serial; struct edgeport_port *edge_port; struct usb_device *dev; - int i; + int i, j; dev = serial->dev; @@ -2735,11 +2745,11 @@ static int edge_startup (struct usb_serial *serial) usb_set_serial_data(serial, edge_serial); /* get the name for the device from the device */ - if ( (i = get_string(dev, dev->descriptor.iManufacturer, &edge_serial->name[0])) != 0) { - edge_serial->name[i-1] = ' '; - } - - get_string(dev, dev->descriptor.iProduct, &edge_serial->name[i]); + i = get_string(dev, dev->descriptor.iManufacturer, + &edge_serial->name[0], MAX_NAME_LEN+1); + edge_serial->name[i++] = ' '; + get_string(dev, dev->descriptor.iProduct, + &edge_serial->name[i], MAX_NAME_LEN+2 - i); dev_info(&serial->dev->dev, "%s detected\n", edge_serial->name); @@ -2784,6 +2794,10 @@ static int edge_startup (struct usb_serial *serial) edge_port = kmalloc (sizeof(struct edgeport_port), GFP_KERNEL); if (edge_port == NULL) { dev_err(&serial->dev->dev, "%s - Out of memory\n", __FUNCTION__); + for (j = 0; j < i; ++j) { + kfree (usb_get_serial_port_data(serial->port[j])); + usb_set_serial_port_data(serial->port[j], NULL); + } usb_set_serial_data(serial, NULL); kfree(edge_serial); return -ENOMEM; diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c index 9a5c97989562..9da6d2a8f2b0 100644 --- a/drivers/usb/serial/ipaq.c +++ b/drivers/usb/serial/ipaq.c @@ -870,7 +870,7 @@ static void ipaq_write_bulk_callback(struct urb *urb, struct pt_regs *regs) spin_unlock_irqrestore(&write_list_lock, flags); } - schedule_work(&port->work); + usb_serial_port_softint(port); } static int ipaq_write_room(struct usb_serial_port *port) diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c index e760a70242c1..a4a0bfeaab00 100644 --- a/drivers/usb/serial/ipw.c +++ b/drivers/usb/serial/ipw.c @@ -376,7 +376,7 @@ static void ipw_write_bulk_callback(struct urb *urb, struct pt_regs *regs) if (urb->status) dbg("%s - nonzero write bulk status received: %d", __FUNCTION__, urb->status); - schedule_work(&port->work); + usb_serial_port_softint(port); } static int ipw_write(struct usb_serial_port *port, const unsigned char *buf, int count) diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c index 426182ddc42a..9432c7302275 100644 --- a/drivers/usb/serial/ir-usb.c +++ b/drivers/usb/serial/ir-usb.c @@ -408,7 +408,7 @@ static void ir_write_bulk_callback (struct urb *urb, struct pt_regs *regs) urb->actual_length, urb->transfer_buffer); - schedule_work(&port->work); + usb_serial_port_softint(port); } static void ir_read_bulk_callback (struct urb *urb, struct pt_regs *regs) diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index 052b735c4fbd..2cf6ade704e4 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -481,7 +481,7 @@ static void usa2x_outdat_callback(struct urb *urb, struct pt_regs *regs) dbg ("%s - urb %d", __FUNCTION__, urb == p_priv->out_urbs[1]); if (port->open_count) - schedule_work(&port->work); + usb_serial_port_softint(port); } static void usa26_inack_callback(struct urb *urb, struct pt_regs *regs) diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c index 78335a5f7743..65d79f630fa4 100644 --- a/drivers/usb/serial/kl5kusb105.c +++ b/drivers/usb/serial/kl5kusb105.c @@ -569,8 +569,7 @@ static void klsi_105_write_bulk_callback ( struct urb *urb, struct pt_regs *regs return; } - /* from generic_write_bulk_callback */ - schedule_work(&port->work); + usb_serial_port_softint(port); } /* klsi_105_write_bulk_completion_callback */ diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c index 238033a87092..6dcdb5f598b8 100644 --- a/drivers/usb/serial/omninet.c +++ b/drivers/usb/serial/omninet.c @@ -320,7 +320,7 @@ static void omninet_write_bulk_callback (struct urb *urb, struct pt_regs *regs) return; } - schedule_work(&port->work); + usb_serial_port_softint(port); } diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 5cf2b80add7a..b0861b61bba7 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1,5 +1,5 @@ /* - Option Card (PCMCIA to) USB to Serial Driver + USB Driver for GSM modems Copyright (C) 2005 Matthias Urlichs <smurf@smurf.noris.de> @@ -28,15 +28,34 @@ 2005-09-10 v0.4.3 added HUAWEI E600 card and Audiovox AirCard 2005-09-20 v0.4.4 increased recv buffer size: the card sometimes wants to send >2000 bytes. - 2006-04-10 v0.4.2 fixed two array overrun errors :-/ + 2006-04-10 v0.5 fixed two array overrun errors :-/ + 2006-04-21 v0.5.1 added support for Sierra Wireless MC8755 + 2006-05-15 v0.6 re-enable multi-port support + 2006-06-01 v0.6.1 add COBRA + 2006-06-01 v0.6.2 add backwards-compatibility stuff + 2006-06-01 v0.6.3 add Novatel Wireless + 2006-06-01 v0.7 Option => GSM Work sponsored by: Sigos GmbH, Germany <info@sigos.de> + This driver exists because the "normal" serial driver doesn't work too well + with GSM modems. Issues: + - data loss -- one single Receive URB is not nearly enough + - nonstandard flow (Option devices) and multiplex (Sierra) control + - controlling the baud rate doesn't make sense + + This driver is named "option" because the most common device it's + used for is a PC-Card (with an internal OHCI-USB interface, behind + which the GSM interface sits), made by Option Inc. + + Some of the "one port" devices actually exhibit multiple USB instances + on the USB bus. This is not a bug, these ports are used for different + device features. */ -#define DRIVER_VERSION "v0.4" +#define DRIVER_VERSION "v0.7.0" #define DRIVER_AUTHOR "Matthias Urlichs <smurf@smurf.noris.de>" -#define DRIVER_DESC "Option Card (PC-Card to) USB to Serial Driver" +#define DRIVER_DESC "USB Driver for GSM modems" #include <linux/config.h> #include <linux/kernel.h> @@ -74,22 +93,45 @@ static int option_tiocmset(struct usb_serial_port *port, struct file *file, static int option_send_setup(struct usb_serial_port *port); /* Vendor and product IDs */ -#define OPTION_VENDOR_ID 0x0AF0 -#define HUAWEI_VENDOR_ID 0x12D1 -#define AUDIOVOX_VENDOR_ID 0x0F3D - -#define OPTION_PRODUCT_OLD 0x5000 -#define OPTION_PRODUCT_FUSION 0x6000 -#define OPTION_PRODUCT_FUSION2 0x6300 -#define HUAWEI_PRODUCT_E600 0x1001 -#define AUDIOVOX_PRODUCT_AIRCARD 0x0112 +#define OPTION_VENDOR_ID 0x0AF0 +#define HUAWEI_VENDOR_ID 0x12D1 +#define AUDIOVOX_VENDOR_ID 0x0F3D +#define SIERRAWIRELESS_VENDOR_ID 0x1199 +#define NOVATELWIRELESS_VENDOR_ID 0x1410 + +#define OPTION_PRODUCT_OLD 0x5000 +#define OPTION_PRODUCT_FUSION 0x6000 +#define OPTION_PRODUCT_FUSION2 0x6300 +#define OPTION_PRODUCT_COBRA 0x6500 +#define HUAWEI_PRODUCT_E600 0x1001 +#define AUDIOVOX_PRODUCT_AIRCARD 0x0112 +#define SIERRAWIRELESS_PRODUCT_MC8755 0x6802 +#define NOVATELWIRELESS_PRODUCT_U740 0x1400 static struct usb_device_id option_ids[] = { { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_OLD) }, { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUSION) }, { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUSION2) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA) }, { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E600) }, { USB_DEVICE(AUDIOVOX_VENDOR_ID, AUDIOVOX_PRODUCT_AIRCARD) }, + { USB_DEVICE(SIERRAWIRELESS_VENDOR_ID, SIERRAWIRELESS_PRODUCT_MC8755) }, + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID,NOVATELWIRELESS_PRODUCT_U740) }, + { } /* Terminating entry */ +}; + +static struct usb_device_id option_ids1[] = { + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_OLD) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUSION) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUSION2) }, + { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA) }, + { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E600) }, + { USB_DEVICE(AUDIOVOX_VENDOR_ID, AUDIOVOX_PRODUCT_AIRCARD) }, + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID,NOVATELWIRELESS_PRODUCT_U740) }, + { } /* Terminating entry */ +}; +static struct usb_device_id option_ids3[] = { + { USB_DEVICE(SIERRAWIRELESS_VENDOR_ID, SIERRAWIRELESS_PRODUCT_MC8755) }, { } /* Terminating entry */ }; @@ -111,12 +153,39 @@ static struct usb_serial_driver option_3port_device = { .owner = THIS_MODULE, .name = "option", }, - .description = "Option 3G data card", - .id_table = option_ids, + .description = "GSM modem (3-port)", + .id_table = option_ids3, .num_interrupt_in = NUM_DONT_CARE, .num_bulk_in = NUM_DONT_CARE, .num_bulk_out = NUM_DONT_CARE, - .num_ports = 1, /* 3, but the card reports its ports separately */ + .num_ports = 3, + .open = option_open, + .close = option_close, + .write = option_write, + .write_room = option_write_room, + .chars_in_buffer = option_chars_in_buffer, + .throttle = option_rx_throttle, + .unthrottle = option_rx_unthrottle, + .set_termios = option_set_termios, + .break_ctl = option_break_ctl, + .tiocmget = option_tiocmget, + .tiocmset = option_tiocmset, + .attach = option_startup, + .shutdown = option_shutdown, + .read_int_callback = option_instat_callback, +}; + +static struct usb_serial_driver option_1port_device = { + .driver = { + .owner = THIS_MODULE, + .name = "option", + }, + .description = "GSM modem (1-port)", + .id_table = option_ids1, + .num_interrupt_in = NUM_DONT_CARE, + .num_bulk_in = NUM_DONT_CARE, + .num_bulk_out = NUM_DONT_CARE, + .num_ports = 1, .open = option_open, .close = option_close, .write = option_write, @@ -170,6 +239,9 @@ struct option_port_private { static int __init option_init(void) { int retval; + retval = usb_serial_register(&option_1port_device); + if (retval) + goto failed_1port_device_register; retval = usb_serial_register(&option_3port_device); if (retval) goto failed_3port_device_register; @@ -184,6 +256,8 @@ static int __init option_init(void) failed_driver_register: usb_serial_deregister (&option_3port_device); failed_3port_device_register: + usb_serial_deregister (&option_1port_device); +failed_1port_device_register: return retval; } @@ -191,6 +265,7 @@ static void __exit option_exit(void) { usb_deregister (&option_driver); usb_serial_deregister (&option_3port_device); + usb_serial_deregister (&option_1port_device); } module_init(option_init); @@ -365,8 +440,7 @@ static void option_outdat_callback(struct urb *urb, struct pt_regs *regs) port = (struct usb_serial_port *) urb->context; - if (port->open_count) - schedule_work(&port->work); + usb_serial_port_softint(port); } static void option_instat_callback(struct urb *urb, struct pt_regs *regs) @@ -573,27 +647,30 @@ static struct urb *option_setup_urb(struct usb_serial *serial, int endpoint, /* Setup urbs */ static void option_setup_urbs(struct usb_serial *serial) { - int j; + int i,j; struct usb_serial_port *port; struct option_port_private *portdata; dbg("%s", __FUNCTION__); - port = serial->port[0]; - portdata = usb_get_serial_port_data(port); + + for (i = 0; i < serial->num_ports; i++) { + port = serial->port[i]; + portdata = usb_get_serial_port_data(port); /* Do indat endpoints first */ - for (j = 0; j < N_IN_URB; ++j) { - portdata->in_urbs[j] = option_setup_urb (serial, - port->bulk_in_endpointAddress, USB_DIR_IN, port, - portdata->in_buffer[j], IN_BUFLEN, option_indat_callback); - } + for (j = 0; j < N_IN_URB; ++j) { + portdata->in_urbs[j] = option_setup_urb (serial, + port->bulk_in_endpointAddress, USB_DIR_IN, port, + portdata->in_buffer[j], IN_BUFLEN, option_indat_callback); + } - /* outdat endpoints */ - for (j = 0; j < N_OUT_URB; ++j) { - portdata->out_urbs[j] = option_setup_urb (serial, - port->bulk_out_endpointAddress, USB_DIR_OUT, port, - portdata->out_buffer[j], OUT_BUFLEN, option_outdat_callback); + /* outdat endpoints */ + for (j = 0; j < N_OUT_URB; ++j) { + portdata->out_urbs[j] = option_setup_urb (serial, + port->bulk_out_endpointAddress, USB_DIR_OUT, port, + portdata->out_buffer[j], OUT_BUFLEN, option_outdat_callback); + } } } diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index c96714bb1cb8..d88704387202 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -314,7 +314,7 @@ static void pl2303_send(struct usb_serial_port *port) // TODO: reschedule pl2303_send } - schedule_work(&port->work); + usb_serial_port_softint(port); } static int pl2303_write_room(struct usb_serial_port *port) @@ -600,7 +600,7 @@ static void pl2303_close (struct usb_serial_port *port, struct file *filp) unsigned int c_cflag; int bps; long timeout; - wait_queue_t wait; \ + wait_queue_t wait; dbg("%s - port %d", __FUNCTION__, port->number); diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 9c36f0ece20f..a30135c7cfe6 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -162,12 +162,19 @@ static void destroy_serial(struct kref *kref) } } + flush_scheduled_work(); /* port->work */ + usb_put_dev(serial->dev); /* free up any memory that we allocated */ kfree (serial); } +void usb_serial_put(struct usb_serial *serial) +{ + kref_put(&serial->kref, destroy_serial); +} + /***************************************************************************** * Driver tty interface functions *****************************************************************************/ @@ -201,12 +208,12 @@ static int serial_open (struct tty_struct *tty, struct file * filp) ++port->open_count; - if (port->open_count == 1) { + /* set up our port structure making the tty driver + * remember our port object, and us it */ + tty->driver_data = port; + port->tty = tty; - /* set up our port structure making the tty driver - * remember our port object, and us it */ - tty->driver_data = port; - port->tty = tty; + if (port->open_count == 1) { /* lock this module before we call it * this may fail, which means we must bail out, @@ -230,9 +237,11 @@ bailout_module_put: module_put(serial->type->driver.owner); bailout_mutex_unlock: port->open_count = 0; + tty->driver_data = NULL; + port->tty = NULL; mutex_unlock(&port->mutex); bailout_kref_put: - kref_put(&serial->kref, destroy_serial); + usb_serial_put(serial); return retval; } @@ -268,7 +277,7 @@ static void serial_close(struct tty_struct *tty, struct file * filp) } mutex_unlock(&port->mutex); - kref_put(&port->serial->kref, destroy_serial); + usb_serial_put(port->serial); } static int serial_write (struct tty_struct * tty, const unsigned char *buf, int count) @@ -276,7 +285,7 @@ static int serial_write (struct tty_struct * tty, const unsigned char *buf, int struct usb_serial_port *port = tty->driver_data; int retval = -EINVAL; - if (!port) + if (!port || port->serial->dev->state == USB_STATE_NOTATTACHED) goto exit; dbg("%s - port %d, %d byte(s)", __FUNCTION__, port->number, count); @@ -296,7 +305,7 @@ exit: static int serial_write_room (struct tty_struct *tty) { struct usb_serial_port *port = tty->driver_data; - int retval = -EINVAL; + int retval = -ENODEV; if (!port) goto exit; @@ -318,7 +327,7 @@ exit: static int serial_chars_in_buffer (struct tty_struct *tty) { struct usb_serial_port *port = tty->driver_data; - int retval = -EINVAL; + int retval = -ENODEV; if (!port) goto exit; @@ -473,7 +482,7 @@ static int serial_read_proc (char *page, char **start, off_t off, int count, int begin += length; length = 0; } - kref_put(&serial->kref, destroy_serial); + usb_serial_put(serial); } *eof = 1; done: @@ -488,19 +497,18 @@ static int serial_tiocmget (struct tty_struct *tty, struct file *file) struct usb_serial_port *port = tty->driver_data; if (!port) - goto exit; + return -ENODEV; dbg("%s - port %d", __FUNCTION__, port->number); if (!port->open_count) { dbg("%s - port not open", __FUNCTION__); - goto exit; + return -ENODEV; } if (port->serial->type->tiocmget) return port->serial->type->tiocmget(port, file); -exit: return -EINVAL; } @@ -510,23 +518,32 @@ static int serial_tiocmset (struct tty_struct *tty, struct file *file, struct usb_serial_port *port = tty->driver_data; if (!port) - goto exit; + return -ENODEV; dbg("%s - port %d", __FUNCTION__, port->number); if (!port->open_count) { dbg("%s - port not open", __FUNCTION__); - goto exit; + return -ENODEV; } if (port->serial->type->tiocmset) return port->serial->type->tiocmset(port, file, set, clear); -exit: return -EINVAL; } -void usb_serial_port_softint(void *private) +/* + * We would be calling tty_wakeup here, but unfortunately some line + * disciplines have an annoying habit of calling tty->write from + * the write wakeup callback (e.g. n_hdlc.c). + */ +void usb_serial_port_softint(struct usb_serial_port *port) +{ + schedule_work(&port->work); +} + +static void usb_serial_port_work(void *private) { struct usb_serial_port *port = private; struct tty_struct *tty; @@ -789,7 +806,7 @@ int usb_serial_probe(struct usb_interface *interface, port->serial = serial; spin_lock_init(&port->lock); mutex_init(&port->mutex); - INIT_WORK(&port->work, usb_serial_port_softint, port); + INIT_WORK(&port->work, usb_serial_port_work, port); serial->port[i] = port; } @@ -985,6 +1002,7 @@ void usb_serial_disconnect(struct usb_interface *interface) struct device *dev = &interface->dev; struct usb_serial_port *port; + usb_serial_console_disconnect(serial); dbg ("%s", __FUNCTION__); usb_set_intfdata (interface, NULL); @@ -996,7 +1014,7 @@ void usb_serial_disconnect(struct usb_interface *interface) } /* let the last holder of this object * cause it to be cleaned up */ - kref_put(&serial->kref, destroy_serial); + usb_serial_put(serial); } dev_info(dev, "device disconnected\n"); } diff --git a/drivers/usb/serial/usb-serial.h b/drivers/usb/serial/usb-serial.h index dc89d8710460..d53ea9b11e81 100644 --- a/drivers/usb/serial/usb-serial.h +++ b/drivers/usb/serial/usb-serial.h @@ -236,7 +236,7 @@ struct usb_serial_driver { extern int usb_serial_register(struct usb_serial_driver *driver); extern void usb_serial_deregister(struct usb_serial_driver *driver); -extern void usb_serial_port_softint(void *private); +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); @@ -248,13 +248,16 @@ extern int ezusb_set_reset (struct usb_serial *serial, unsigned char reset_bit); #ifdef CONFIG_USB_SERIAL_CONSOLE extern void usb_serial_console_init (int debug, int minor); extern void usb_serial_console_exit (void); +extern void usb_serial_console_disconnect(struct usb_serial *serial); #else static inline void usb_serial_console_init (int debug, int minor) { } static inline void usb_serial_console_exit (void) { } +static inline void usb_serial_console_disconnect(struct usb_serial *serial) {} #endif /* Functions needed by other parts of the usbserial core */ extern struct usb_serial *usb_serial_get_by_index (unsigned int minor); +extern void usb_serial_put(struct usb_serial *serial); extern int usb_serial_generic_open (struct usb_serial_port *port, struct file *filp); extern int usb_serial_generic_write (struct usb_serial_port *port, const unsigned char *buf, int count); extern void usb_serial_generic_close (struct usb_serial_port *port, struct file *filp); diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c index f5c3841d4843..9e89b8d54f72 100644 --- a/drivers/usb/serial/visor.c +++ b/drivers/usb/serial/visor.c @@ -480,7 +480,7 @@ static void visor_write_bulk_callback (struct urb *urb, struct pt_regs *regs) --priv->outstanding_urbs; spin_unlock_irqrestore(&priv->lock, flags); - schedule_work(&port->work); + usb_serial_port_softint(port); } diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c index f806553cd9a4..5b06fa366098 100644 --- a/drivers/usb/serial/whiteheat.c +++ b/drivers/usb/serial/whiteheat.c @@ -388,7 +388,7 @@ static int whiteheat_attach (struct usb_serial *serial) if (ret) { err("%s: Couldn't send command [%d]", serial->type->description, ret); goto no_firmware; - } else if (alen != sizeof(command)) { + } else if (alen != 2) { err("%s: Send command incomplete [%d]", serial->type->description, alen); goto no_firmware; } @@ -400,7 +400,7 @@ static int whiteheat_attach (struct usb_serial *serial) if (ret) { err("%s: Couldn't get results [%d]", serial->type->description, ret); goto no_firmware; - } else if (alen != sizeof(result)) { + } else if (alen != sizeof(*hw_info) + 1) { err("%s: Get results incomplete [%d]", serial->type->description, alen); goto no_firmware; } else if (result[0] != command[0]) { @@ -1089,9 +1089,7 @@ static void whiteheat_write_callback(struct urb *urb, struct pt_regs *regs) return; } - usb_serial_port_softint((void *)port); - - schedule_work(&port->work); + usb_serial_port_softint(port); } diff --git a/drivers/usb/storage/onetouch.c b/drivers/usb/storage/onetouch.c index 55ee2d36d585..026a587eb8dd 100644 --- a/drivers/usb/storage/onetouch.c +++ b/drivers/usb/storage/onetouch.c @@ -34,9 +34,8 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/module.h> -#include <linux/usb.h> #include <linux/usb_ch9.h> -#include <linux/usb_input.h> +#include <linux/usb/input.h> #include "usb.h" #include "onetouch.h" #include "debug.h" diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index 5f11e19eaae3..5715291ba540 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -286,11 +286,7 @@ static int bus_reset(struct scsi_cmnd *srb) int result; US_DEBUGP("%s called\n", __FUNCTION__); - - mutex_lock(&(us->dev_mutex)); result = usb_stor_port_reset(us); - mutex_unlock(&us->dev_mutex); - return result < 0 ? FAILED : SUCCESS; } diff --git a/drivers/usb/storage/shuttle_usbat.c b/drivers/usb/storage/shuttle_usbat.c index f2bc5c9e23d5..8fcec01dc622 100644 --- a/drivers/usb/storage/shuttle_usbat.c +++ b/drivers/usb/storage/shuttle_usbat.c @@ -131,28 +131,30 @@ static int usbat_write(struct us_data *us, * Convenience function to perform a bulk read */ static int usbat_bulk_read(struct us_data *us, - unsigned char *data, - unsigned int len) + unsigned char *data, + unsigned int len, + int use_sg) { if (len == 0) return USB_STOR_XFER_GOOD; US_DEBUGP("usbat_bulk_read: len = %d\n", len); - return usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe, data, len, NULL); + return usb_stor_bulk_transfer_sg(us, us->recv_bulk_pipe, data, len, use_sg, NULL); } /* * Convenience function to perform a bulk write */ static int usbat_bulk_write(struct us_data *us, - unsigned char *data, - unsigned int len) + unsigned char *data, + unsigned int len, + int use_sg) { if (len == 0) return USB_STOR_XFER_GOOD; US_DEBUGP("usbat_bulk_write: len = %d\n", len); - return usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe, data, len, NULL); + return usb_stor_bulk_transfer_sg(us, us->send_bulk_pipe, data, len, use_sg, NULL); } /* @@ -317,7 +319,8 @@ static int usbat_wait_not_busy(struct us_data *us, int minutes) */ static int usbat_read_block(struct us_data *us, unsigned char *content, - unsigned short len) + unsigned short len, + int use_sg) { int result; unsigned char *command = us->iobuf; @@ -338,7 +341,7 @@ static int usbat_read_block(struct us_data *us, if (result != USB_STOR_XFER_GOOD) return USB_STOR_TRANSPORT_ERROR; - result = usbat_bulk_read(us, content, len); + result = usbat_bulk_read(us, content, len, use_sg); return (result == USB_STOR_XFER_GOOD ? USB_STOR_TRANSPORT_GOOD : USB_STOR_TRANSPORT_ERROR); } @@ -350,7 +353,8 @@ static int usbat_write_block(struct us_data *us, unsigned char access, unsigned char *content, unsigned short len, - int minutes) + int minutes, + int use_sg) { int result; unsigned char *command = us->iobuf; @@ -372,7 +376,7 @@ static int usbat_write_block(struct us_data *us, if (result != USB_STOR_XFER_GOOD) return USB_STOR_TRANSPORT_ERROR; - result = usbat_bulk_write(us, content, len); + result = usbat_bulk_write(us, content, len, use_sg); if (result != USB_STOR_XFER_GOOD) return USB_STOR_TRANSPORT_ERROR; @@ -465,7 +469,7 @@ static int usbat_hp8200e_rw_block_test(struct us_data *us, data[1+(j<<1)] = data_out[j]; } - result = usbat_bulk_write(us, data, num_registers*2); + result = usbat_bulk_write(us, data, num_registers*2, 0); if (result != USB_STOR_XFER_GOOD) return USB_STOR_TRANSPORT_ERROR; @@ -583,7 +587,7 @@ static int usbat_multiple_write(struct us_data *us, } /* Send the data */ - result = usbat_bulk_write(us, data, num_registers*2); + result = usbat_bulk_write(us, data, num_registers*2, 0); if (result != USB_STOR_XFER_GOOD) return USB_STOR_TRANSPORT_ERROR; @@ -606,8 +610,9 @@ static int usbat_multiple_write(struct us_data *us, * other related details) are defined beforehand with _set_shuttle_features(). */ static int usbat_read_blocks(struct us_data *us, - unsigned char *buffer, - int len) + unsigned char *buffer, + int len, + int use_sg) { int result; unsigned char *command = us->iobuf; @@ -627,7 +632,7 @@ static int usbat_read_blocks(struct us_data *us, return USB_STOR_TRANSPORT_FAILED; /* Read the blocks we just asked for */ - result = usbat_bulk_read(us, buffer, len); + result = usbat_bulk_read(us, buffer, len, use_sg); if (result != USB_STOR_XFER_GOOD) return USB_STOR_TRANSPORT_FAILED; @@ -648,7 +653,8 @@ static int usbat_read_blocks(struct us_data *us, */ static int usbat_write_blocks(struct us_data *us, unsigned char *buffer, - int len) + int len, + int use_sg) { int result; unsigned char *command = us->iobuf; @@ -668,7 +674,7 @@ static int usbat_write_blocks(struct us_data *us, return USB_STOR_TRANSPORT_FAILED; /* Write the data */ - result = usbat_bulk_write(us, buffer, len); + result = usbat_bulk_write(us, buffer, len, use_sg); if (result != USB_STOR_XFER_GOOD) return USB_STOR_TRANSPORT_FAILED; @@ -887,22 +893,28 @@ static int usbat_identify_device(struct us_data *us, * Set the transport function based on the device type */ static int usbat_set_transport(struct us_data *us, - struct usbat_info *info) + struct usbat_info *info, + int devicetype) { - int rc; - if (!info->devicetype) { - rc = usbat_identify_device(us, info); - if (rc != USB_STOR_TRANSPORT_GOOD) { - US_DEBUGP("usbat_set_transport: Could not identify device\n"); - return 1; - } - } + if (!info->devicetype) + info->devicetype = devicetype; - if (usbat_get_device_type(us) == USBAT_DEV_HP8200) + if (!info->devicetype) + usbat_identify_device(us, info); + + switch (info->devicetype) { + default: + return USB_STOR_TRANSPORT_ERROR; + + case USBAT_DEV_HP8200: us->transport = usbat_hp8200e_transport; - else if (usbat_get_device_type(us) == USBAT_DEV_FLASH) + break; + + case USBAT_DEV_FLASH: us->transport = usbat_flash_transport; + break; + } return 0; } @@ -947,7 +959,7 @@ static int usbat_flash_get_sector_count(struct us_data *us, msleep(100); /* Read the device identification data */ - rc = usbat_read_block(us, reply, 512); + rc = usbat_read_block(us, reply, 512, 0); if (rc != USB_STOR_TRANSPORT_GOOD) goto leave; @@ -1031,7 +1043,7 @@ static int usbat_flash_read_data(struct us_data *us, goto leave; /* Read the data we just requested */ - result = usbat_read_blocks(us, buffer, len); + result = usbat_read_blocks(us, buffer, len, 0); if (result != USB_STOR_TRANSPORT_GOOD) goto leave; @@ -1125,7 +1137,7 @@ static int usbat_flash_write_data(struct us_data *us, goto leave; /* Write the data */ - result = usbat_write_blocks(us, buffer, len); + result = usbat_write_blocks(us, buffer, len, 0); if (result != USB_STOR_TRANSPORT_GOOD) goto leave; @@ -1310,7 +1322,7 @@ static int usbat_select_and_test_registers(struct us_data *us) /* * Initialize the USBAT processor and the storage device */ -int init_usbat(struct us_data *us) +static int init_usbat(struct us_data *us, int devicetype) { int rc; struct usbat_info *info; @@ -1392,7 +1404,7 @@ int init_usbat(struct us_data *us) US_DEBUGP("INIT 9\n"); /* At this point, we need to detect which device we are using */ - if (usbat_set_transport(us, info)) + if (usbat_set_transport(us, info, devicetype)) return USB_STOR_TRANSPORT_ERROR; US_DEBUGP("INIT 10\n"); @@ -1503,10 +1515,10 @@ static int usbat_hp8200e_transport(struct scsi_cmnd *srb, struct us_data *us) * AT SPEED 4 IS UNRELIABLE!!! */ - if ( (result = usbat_write_block(us, + if ((result = usbat_write_block(us, USBAT_ATA, srb->cmnd, 12, - srb->cmnd[0]==GPCMD_BLANK ? 75 : 10)) != - USB_STOR_TRANSPORT_GOOD) { + (srb->cmnd[0]==GPCMD_BLANK ? 75 : 10), 0) != + USB_STOR_TRANSPORT_GOOD)) { return result; } @@ -1533,7 +1545,7 @@ static int usbat_hp8200e_transport(struct scsi_cmnd *srb, struct us_data *us) len = *status; - result = usbat_read_block(us, srb->request_buffer, len); + result = usbat_read_block(us, srb->request_buffer, len, srb->use_sg); /* Debug-print the first 32 bytes of the transfer */ @@ -1695,6 +1707,22 @@ static int usbat_flash_transport(struct scsi_cmnd * srb, struct us_data *us) return USB_STOR_TRANSPORT_FAILED; } +int init_usbat_cd(struct us_data *us) +{ + return init_usbat(us, USBAT_DEV_HP8200); +} + + +int init_usbat_flash(struct us_data *us) +{ + return init_usbat(us, USBAT_DEV_FLASH); +} + +int init_usbat_probe(struct us_data *us) +{ + return init_usbat(us, 0); +} + /* * Default transport function. Attempts to detect which transport function * should be called, makes it the new default, and calls it. @@ -1708,9 +1736,8 @@ int usbat_transport(struct scsi_cmnd *srb, struct us_data *us) { struct usbat_info *info = (struct usbat_info*) (us->extra); - if (usbat_set_transport(us, info)) + if (usbat_set_transport(us, info, 0)) return USB_STOR_TRANSPORT_ERROR; return us->transport(srb, us); } - diff --git a/drivers/usb/storage/shuttle_usbat.h b/drivers/usb/storage/shuttle_usbat.h index 25e7d8b340b8..3ddf143a1dec 100644 --- a/drivers/usb/storage/shuttle_usbat.h +++ b/drivers/usb/storage/shuttle_usbat.h @@ -106,7 +106,9 @@ #define USBAT_FEAT_ET2 0x01 extern int usbat_transport(struct scsi_cmnd *srb, struct us_data *us); -extern int init_usbat(struct us_data *us); +extern int init_usbat_cd(struct us_data *us); +extern int init_usbat_flash(struct us_data *us); +extern int init_usbat_probe(struct us_data *us); struct usbat_info { int devicetype; diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c index 7ca896a342e3..19b25c5cafd4 100644 --- a/drivers/usb/storage/transport.c +++ b/drivers/usb/storage/transport.c @@ -115,19 +115,6 @@ static void usb_stor_blocking_completion(struct urb *urb, struct pt_regs *regs) complete(urb_done_ptr); } - -/* This is the timeout handler which will cancel an URB when its timeout - * expires. - */ -static void timeout_handler(unsigned long us_) -{ - struct us_data *us = (struct us_data *) us_; - - if (test_and_clear_bit(US_FLIDX_URB_ACTIVE, &us->flags)) { - US_DEBUGP("Timeout -- cancelling URB\n"); - usb_unlink_urb(us->current_urb); - } -} /* This is the common part of the URB message submission code * @@ -138,7 +125,7 @@ static void timeout_handler(unsigned long us_) static int usb_stor_msg_common(struct us_data *us, int timeout) { struct completion urb_done; - struct timer_list to_timer; + long timeleft; int status; /* don't submit URBs during abort/disconnect processing */ @@ -185,22 +172,17 @@ static int usb_stor_msg_common(struct us_data *us, int timeout) } } - /* submit the timeout timer, if a timeout was requested */ - if (timeout > 0) { - init_timer(&to_timer); - to_timer.expires = jiffies + timeout; - to_timer.function = timeout_handler; - to_timer.data = (unsigned long) us; - add_timer(&to_timer); - } - /* wait for the completion of the URB */ - wait_for_completion(&urb_done); - clear_bit(US_FLIDX_URB_ACTIVE, &us->flags); + timeleft = wait_for_completion_interruptible_timeout( + &urb_done, timeout ? : MAX_SCHEDULE_TIMEOUT); - /* clean up the timeout timer */ - if (timeout > 0) - del_timer_sync(&to_timer); + clear_bit(US_FLIDX_URB_ACTIVE, &us->flags); + + if (timeleft <= 0) { + US_DEBUGP("%s -- cancelling URB\n", + timeleft == 0 ? "Timeout" : "Signal"); + usb_unlink_urb(us->current_urb); + } /* return the URB status */ return us->current_urb->status; @@ -721,16 +703,19 @@ void usb_stor_invoke_transport(struct scsi_cmnd *srb, struct us_data *us) * device reset. */ Handle_Errors: - /* Let the SCSI layer know we are doing a reset, set the - * RESETTING bit, and clear the ABORTING bit so that the reset - * may proceed. */ + /* Set the RESETTING bit, and clear the ABORTING bit so that + * the reset may proceed. */ scsi_lock(us_to_host(us)); - usb_stor_report_bus_reset(us); set_bit(US_FLIDX_RESETTING, &us->flags); clear_bit(US_FLIDX_ABORTING, &us->flags); scsi_unlock(us_to_host(us)); + /* We must release the device lock because the pre_reset routine + * will want to acquire it. */ + mutex_unlock(&us->dev_mutex); result = usb_stor_port_reset(us); + mutex_lock(&us->dev_mutex); + if (result < 0) { scsi_lock(us_to_host(us)); usb_stor_report_device_reset(us); @@ -1214,31 +1199,30 @@ int usb_stor_Bulk_reset(struct us_data *us) 0, us->ifnum, NULL, 0); } -/* Issue a USB port reset to the device. But don't do anything if - * there's more than one interface in the device, so that other users - * are not affected. */ +/* Issue a USB port reset to the device. The caller must not hold + * us->dev_mutex. + */ int usb_stor_port_reset(struct us_data *us) { - int result, rc; + int result, rc_lock; - if (test_bit(US_FLIDX_DISCONNECTING, &us->flags)) { - result = -EIO; - US_DEBUGP("No reset during disconnect\n"); - } else if (us->pusb_dev->actconfig->desc.bNumInterfaces != 1) { - result = -EBUSY; - US_DEBUGP("Refusing to reset a multi-interface device\n"); - } else { - result = rc = - usb_lock_device_for_reset(us->pusb_dev, us->pusb_intf); - if (result < 0) { - US_DEBUGP("unable to lock device for reset: %d\n", - result); + result = rc_lock = + usb_lock_device_for_reset(us->pusb_dev, us->pusb_intf); + if (result < 0) + US_DEBUGP("unable to lock device for reset: %d\n", result); + else { + /* Were we disconnected while waiting for the lock? */ + if (test_bit(US_FLIDX_DISCONNECTING, &us->flags)) { + result = -EIO; + US_DEBUGP("No reset during disconnect\n"); } else { - result = usb_reset_device(us->pusb_dev); - if (rc) - usb_unlock_device(us->pusb_dev); - US_DEBUGP("usb_reset_device returns %d\n", result); + result = usb_reset_composite_device( + us->pusb_dev, us->pusb_intf); + US_DEBUGP("usb_reset_composite_device returns %d\n", + result); } + if (rc_lock) + usb_unlock_device(us->pusb_dev); } return result; } diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index aec5ea8682d5..543244d421c1 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -78,12 +78,12 @@ UNUSUAL_DEV( 0x03f0, 0x0107, 0x0200, 0x0200, UNUSUAL_DEV( 0x03f0, 0x0207, 0x0001, 0x0001, "HP", "CD-Writer+ 8200e", - US_SC_8070, US_PR_USBAT, init_usbat, 0), + US_SC_8070, US_PR_USBAT, init_usbat_cd, 0), UNUSUAL_DEV( 0x03f0, 0x0307, 0x0001, 0x0001, "HP", "CD-Writer+ CD-4e", - US_SC_8070, US_PR_USBAT, init_usbat, 0), + US_SC_8070, US_PR_USBAT, init_usbat_cd, 0), #endif /* Reported by Sebastian Kapfer <sebastian_kapfer@gmx.net> @@ -133,6 +133,14 @@ UNUSUAL_DEV( 0x0420, 0x0001, 0x0100, 0x0100, US_SC_DEVICE, US_PR_DEVICE, NULL, US_FL_IGNORE_RESIDUE ), +/* Reported by Jiri Slaby <jirislaby@gmail.com> and + * Rene C. Castberg <Rene@Castberg.org> */ +UNUSUAL_DEV( 0x0421, 0x0446, 0x0100, 0x0100, + "Nokia", + "N80", + US_SC_DEVICE, US_PR_DEVICE, NULL, + US_FL_IGNORE_RESIDUE | US_FL_FIX_CAPACITY ), + /* Reported by Olaf Hering <olh@suse.de> from novell bug #105878 */ UNUSUAL_DEV( 0x0424, 0x0fdc, 0x0210, 0x0210, "SMSC", @@ -216,6 +224,14 @@ UNUSUAL_DEV( 0x04a4, 0x0004, 0x0001, 0x0001, "DVD-CAM DZ-MV100A Camcorder", US_SC_SCSI, US_PR_CB, NULL, US_FL_SINGLE_LUN), +/* Patch for Nikon coolpix 2000 + * Submitted by Fabien Cosse <fabien.cosse@wanadoo.fr>*/ +UNUSUAL_DEV( 0x04b0, 0x0301, 0x0010, 0x0010, + "NIKON", + "NIKON DSC E2000", + US_SC_DEVICE, US_PR_DEVICE,NULL, + US_FL_NOT_LOCKABLE ), + /* Reported by Andreas Bockhold <andreas@bockionline.de> */ UNUSUAL_DEV( 0x04b0, 0x0405, 0x0100, 0x0100, "NIKON", @@ -223,13 +239,12 @@ UNUSUAL_DEV( 0x04b0, 0x0405, 0x0100, 0x0100, US_SC_DEVICE, US_PR_DEVICE, NULL, US_FL_FIX_CAPACITY), -/* Patch for Nikon coolpix 2000 - * Submitted by Fabien Cosse <fabien.cosse@wanadoo.fr>*/ -UNUSUAL_DEV( 0x04b0, 0x0301, 0x0010, 0x0010, +/* Reported by Jamie Kitson <jamie@staberinde.fsnet.co.uk> */ +UNUSUAL_DEV( 0x04b0, 0x040d, 0x0100, 0x0100, "NIKON", - "NIKON DSC E2000", - US_SC_DEVICE, US_PR_DEVICE,NULL, - US_FL_NOT_LOCKABLE ), + "NIKON DSC D70s", + US_SC_DEVICE, US_PR_DEVICE, NULL, + US_FL_FIX_CAPACITY), /* BENQ DC5330 * Reported by Manuel Fombuena <mfombuena@ya.com> and @@ -393,7 +408,7 @@ UNUSUAL_DEV( 0x04fc, 0x80c2, 0x0100, 0x0100, UNUSUAL_DEV( 0x04e6, 0x1010, 0x0000, 0x9999, "Shuttle/SCM", "USBAT-02", - US_SC_SCSI, US_PR_USBAT, init_usbat, + US_SC_SCSI, US_PR_USBAT, init_usbat_flash, US_FL_SINGLE_LUN), #endif @@ -797,7 +812,7 @@ UNUSUAL_DEV( 0x0781, 0x0002, 0x0009, 0x0009, UNUSUAL_DEV( 0x0781, 0x0005, 0x0005, 0x0005, "Sandisk", "ImageMate SDDR-05b", - US_SC_SCSI, US_PR_USBAT, init_usbat, + US_SC_SCSI, US_PR_USBAT, init_usbat_flash, US_FL_SINGLE_LUN ), #endif diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index dd108634348e..e232c7c89909 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -221,6 +221,37 @@ static int storage_resume(struct usb_interface *iface) #endif /* CONFIG_PM */ /* + * The next two routines get called just before and just after + * a USB port reset, whether from this driver or a different one. + */ + +static void storage_pre_reset(struct usb_interface *iface) +{ + struct us_data *us = usb_get_intfdata(iface); + + US_DEBUGP("%s\n", __FUNCTION__); + + /* Make sure no command runs during the reset */ + mutex_lock(&us->dev_mutex); +} + +static void storage_post_reset(struct usb_interface *iface) +{ + struct us_data *us = usb_get_intfdata(iface); + + US_DEBUGP("%s\n", __FUNCTION__); + + /* Report the reset to the SCSI core */ + scsi_lock(us_to_host(us)); + usb_stor_report_bus_reset(us); + scsi_unlock(us_to_host(us)); + + /* FIXME: Notify the subdrivers that they need to reinitialize + * the device */ + mutex_unlock(&us->dev_mutex); +} + +/* * fill_inquiry_response takes an unsigned char array (which must * be at least 36 characters) and populates the vendor name, * product name, and revision fields. Then the array is copied @@ -593,6 +624,15 @@ static int get_transport(struct us_data *us) break; #endif +#ifdef CONFIG_USB_STORAGE_ALAUDA + case US_PR_ALAUDA: + us->transport_name = "Alauda Control/Bulk"; + us->transport = alauda_transport; + us->transport_reset = usb_stor_Bulk_reset; + us->max_lun = 1; + break; +#endif + default: return -EIO; } @@ -648,15 +688,6 @@ static int get_protocol(struct us_data *us) break; #endif -#ifdef CONFIG_USB_STORAGE_ALAUDA - case US_PR_ALAUDA: - us->transport_name = "Alauda Control/Bulk"; - us->transport = alauda_transport; - us->transport_reset = usb_stor_Bulk_reset; - us->max_lun = 1; - break; -#endif - default: return -EIO; } @@ -1002,6 +1033,8 @@ static struct usb_driver usb_storage_driver = { .suspend = storage_suspend, .resume = storage_resume, #endif + .pre_reset = storage_pre_reset, + .post_reset = storage_post_reset, .id_table = storage_usb_ids, }; |