diff options
author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-07-04 13:13:55 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-07-04 13:13:55 -0700 |
commit | 404c3bc30cb1361e1b3533643326ab472d24a618 (patch) | |
tree | 156cc9032c8aee17167d926c5bdae009ba8f36d2 /drivers/staging/media | |
parent | Input: wacom - TPC2FG doesn't store touch id for slots (diff) | |
parent | Linux 3.5-rc5 (diff) | |
download | linux-dev-404c3bc30cb1361e1b3533643326ab472d24a618.tar.xz linux-dev-404c3bc30cb1361e1b3533643326ab472d24a618.zip |
Merge commit 'v3.5-rc5' into next
Diffstat (limited to 'drivers/staging/media')
-rw-r--r-- | drivers/staging/media/as102/as102_drv.c | 34 | ||||
-rw-r--r-- | drivers/staging/media/as102/as102_fe.c | 2 | ||||
-rw-r--r-- | drivers/staging/media/as102/as102_fw.c | 5 | ||||
-rw-r--r-- | drivers/staging/media/as102/as102_usb_drv.c | 12 | ||||
-rw-r--r-- | drivers/staging/media/as102/as102_usb_drv.h | 2 | ||||
-rw-r--r-- | drivers/staging/media/as102/as10x_cmd.c | 28 | ||||
-rw-r--r-- | drivers/staging/media/dt3155v4l/dt3155v4l.c | 4 | ||||
-rw-r--r-- | drivers/staging/media/easycap/easycap_ioctl.c | 1 | ||||
-rw-r--r-- | drivers/staging/media/easycap/easycap_main.c | 1645 | ||||
-rw-r--r-- | drivers/staging/media/go7007/README | 2 | ||||
-rw-r--r-- | drivers/staging/media/go7007/go7007-v4l2.c | 2 | ||||
-rw-r--r-- | drivers/staging/media/go7007/go7007.txt | 1 | ||||
-rw-r--r-- | drivers/staging/media/go7007/s2250-loader.c | 28 | ||||
-rw-r--r-- | drivers/staging/media/lirc/lirc_imon.c | 84 | ||||
-rw-r--r-- | drivers/staging/media/lirc/lirc_sasem.c | 104 | ||||
-rw-r--r-- | drivers/staging/media/lirc/lirc_serial.c | 6 | ||||
-rw-r--r-- | drivers/staging/media/lirc/lirc_ttusbir.c | 13 |
17 files changed, 1050 insertions, 923 deletions
diff --git a/drivers/staging/media/as102/as102_drv.c b/drivers/staging/media/as102/as102_drv.c index ea4f992de235..ac92eaf6c74b 100644 --- a/drivers/staging/media/as102/as102_drv.c +++ b/drivers/staging/media/as102/as102_drv.c @@ -279,40 +279,8 @@ void as102_dvb_unregister(struct as102_dev_t *as102_dev) pr_info("Unregistered device %s", as102_dev->name); } -static int __init as102_driver_init(void) -{ - int ret; - - /* register this driver with the low level subsystem */ - ret = usb_register(&as102_usb_driver); - if (ret) - err("usb_register failed (ret = %d)", ret); - - return ret; -} - -/* - * Mandatory function : Adds a special section to the module indicating - * where initialisation function is defined - */ -module_init(as102_driver_init); - -/** - * as102_driver_exit - as102 driver exit point - * - * This function is called when device has to be removed. - */ -static void __exit as102_driver_exit(void) -{ - /* deregister this driver with the low level bus subsystem */ - usb_deregister(&as102_usb_driver); -} +module_usb_driver(as102_usb_driver); -/* - * required function for unload: Adds a special section to the module - * indicating where unload function is defined - */ -module_exit(as102_driver_exit); /* modinfo details */ MODULE_DESCRIPTION(DRIVER_FULL_NAME); MODULE_LICENSE("GPL"); diff --git a/drivers/staging/media/as102/as102_fe.c b/drivers/staging/media/as102/as102_fe.c index 5917657b9d0f..9ce8c9daa2e7 100644 --- a/drivers/staging/media/as102/as102_fe.c +++ b/drivers/staging/media/as102/as102_fe.c @@ -17,8 +17,6 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/version.h> - #include "as102_drv.h" #include "as10x_types.h" #include "as10x_cmd.h" diff --git a/drivers/staging/media/as102/as102_fw.c b/drivers/staging/media/as102/as102_fw.c index 1075fb1df0d9..b9670ee41b4e 100644 --- a/drivers/staging/media/as102/as102_fw.c +++ b/drivers/staging/media/as102/as102_fw.c @@ -230,11 +230,8 @@ int as102_fw_upload(struct as10x_bus_adapter_t *bus_adap) pr_info("%s: firmware: %s loaded with success\n", DRIVER_NAME, fw2); error: - /* free data buffer */ kfree(cmd_buf); - /* release firmware if needed */ - if (firmware != NULL) - release_firmware(firmware); + release_firmware(firmware); LEAVE(); return errno; diff --git a/drivers/staging/media/as102/as102_usb_drv.c b/drivers/staging/media/as102/as102_usb_drv.c index 0f6bfe7eccba..aaf1bc2ad1b2 100644 --- a/drivers/staging/media/as102/as102_usb_drv.c +++ b/drivers/staging/media/as102/as102_usb_drv.c @@ -367,7 +367,7 @@ static int as102_usb_probe(struct usb_interface *intf, ENTER(); /* This should never actually happen */ - if ((sizeof(as102_usb_id_table) / sizeof(struct usb_device_id)) != + if (ARRAY_SIZE(as102_usb_id_table) != (sizeof(as102_device_names) / sizeof(const char *))) { pr_err("Device names table invalid size"); return -EINVAL; @@ -375,13 +375,12 @@ static int as102_usb_probe(struct usb_interface *intf, as102_dev = kzalloc(sizeof(struct as102_dev_t), GFP_KERNEL); if (as102_dev == NULL) { - err("%s: kzalloc failed", __func__); + dev_err(&intf->dev, "%s: kzalloc failed\n", __func__); return -ENOMEM; } /* Assign the user-friendly device name */ - for (i = 0; i < (sizeof(as102_usb_id_table) / - sizeof(struct usb_device_id)); i++) { + for (i = 0; i < ARRAY_SIZE(as102_usb_id_table); i++) { if (id == &as102_usb_id_table[i]) { as102_dev->name = as102_device_names[i]; as102_dev->elna_cfg = as102_elna_cfg[i]; @@ -411,8 +410,9 @@ static int as102_usb_probe(struct usb_interface *intf, ret = usb_register_dev(intf, &as102_usb_class_driver); if (ret < 0) { /* something prevented us from registering this driver */ - err("%s: usb_register_dev() failed (errno = %d)", - __func__, ret); + dev_err(&intf->dev, + "%s: usb_register_dev() failed (errno = %d)\n", + __func__, ret); goto failed; } diff --git a/drivers/staging/media/as102/as102_usb_drv.h b/drivers/staging/media/as102/as102_usb_drv.h index fc2884ab02a2..1ad1ec52b11e 100644 --- a/drivers/staging/media/as102/as102_usb_drv.h +++ b/drivers/staging/media/as102/as102_usb_drv.h @@ -17,8 +17,6 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/version.h> - #ifndef _AS102_USB_DRV_H_ #define _AS102_USB_DRV_H_ diff --git a/drivers/staging/media/as102/as10x_cmd.c b/drivers/staging/media/as102/as10x_cmd.c index 262bb94ad27e..a73df10982d0 100644 --- a/drivers/staging/media/as102/as10x_cmd.c +++ b/drivers/staging/media/as102/as10x_cmd.c @@ -31,7 +31,7 @@ */ int as10x_cmd_turn_on(struct as10x_bus_adapter_t *adap) { - int error; + int error = AS10X_CMD_ERROR; struct as10x_cmd_t *pcmd, *prsp; ENTER(); @@ -54,8 +54,6 @@ int as10x_cmd_turn_on(struct as10x_bus_adapter_t *adap) (uint8_t *) prsp, sizeof(prsp->body.turn_on.rsp) + HEADER_SIZE); - } else { - error = AS10X_CMD_ERROR; } if (error < 0) @@ -77,7 +75,7 @@ out: */ int as10x_cmd_turn_off(struct as10x_bus_adapter_t *adap) { - int error; + int error = AS10X_CMD_ERROR; struct as10x_cmd_t *pcmd, *prsp; ENTER(); @@ -99,8 +97,6 @@ int as10x_cmd_turn_off(struct as10x_bus_adapter_t *adap) sizeof(pcmd->body.turn_off.req) + HEADER_SIZE, (uint8_t *) prsp, sizeof(prsp->body.turn_off.rsp) + HEADER_SIZE); - } else { - error = AS10X_CMD_ERROR; } if (error < 0) @@ -124,7 +120,7 @@ out: int as10x_cmd_set_tune(struct as10x_bus_adapter_t *adap, struct as10x_tune_args *ptune) { - int error; + int error = AS10X_CMD_ERROR; struct as10x_cmd_t *preq, *prsp; ENTER(); @@ -159,8 +155,6 @@ int as10x_cmd_set_tune(struct as10x_bus_adapter_t *adap, (uint8_t *) prsp, sizeof(prsp->body.set_tune.rsp) + HEADER_SIZE); - } else { - error = AS10X_CMD_ERROR; } if (error < 0) @@ -184,7 +178,7 @@ out: int as10x_cmd_get_tune_status(struct as10x_bus_adapter_t *adap, struct as10x_tune_status *pstatus) { - int error; + int error = AS10X_CMD_ERROR; struct as10x_cmd_t *preq, *prsp; ENTER(); @@ -208,8 +202,6 @@ int as10x_cmd_get_tune_status(struct as10x_bus_adapter_t *adap, sizeof(preq->body.get_tune_status.req) + HEADER_SIZE, (uint8_t *) prsp, sizeof(prsp->body.get_tune_status.rsp) + HEADER_SIZE); - } else { - error = AS10X_CMD_ERROR; } if (error < 0) @@ -241,7 +233,7 @@ out: */ int as10x_cmd_get_tps(struct as10x_bus_adapter_t *adap, struct as10x_tps *ptps) { - int error; + int error = AS10X_CMD_ERROR; struct as10x_cmd_t *pcmd, *prsp; ENTER(); @@ -266,8 +258,6 @@ int as10x_cmd_get_tps(struct as10x_bus_adapter_t *adap, struct as10x_tps *ptps) (uint8_t *) prsp, sizeof(prsp->body.get_tps.rsp) + HEADER_SIZE); - } else { - error = AS10X_CMD_ERROR; } if (error < 0) @@ -305,7 +295,7 @@ out: int as10x_cmd_get_demod_stats(struct as10x_bus_adapter_t *adap, struct as10x_demod_stats *pdemod_stats) { - int error; + int error = AS10X_CMD_ERROR; struct as10x_cmd_t *pcmd, *prsp; ENTER(); @@ -330,8 +320,6 @@ int as10x_cmd_get_demod_stats(struct as10x_bus_adapter_t *adap, (uint8_t *) prsp, sizeof(prsp->body.get_demod_stats.rsp) + HEADER_SIZE); - } else { - error = AS10X_CMD_ERROR; } if (error < 0) @@ -370,7 +358,7 @@ out: int as10x_cmd_get_impulse_resp(struct as10x_bus_adapter_t *adap, uint8_t *is_ready) { - int error; + int error = AS10X_CMD_ERROR; struct as10x_cmd_t *pcmd, *prsp; ENTER(); @@ -395,8 +383,6 @@ int as10x_cmd_get_impulse_resp(struct as10x_bus_adapter_t *adap, (uint8_t *) prsp, sizeof(prsp->body.get_impulse_rsp.rsp) + HEADER_SIZE); - } else { - error = AS10X_CMD_ERROR; } if (error < 0) diff --git a/drivers/staging/media/dt3155v4l/dt3155v4l.c b/drivers/staging/media/dt3155v4l/dt3155v4l.c index 280c84ec4cc2..c365cdf714ea 100644 --- a/drivers/staging/media/dt3155v4l/dt3155v4l.c +++ b/drivers/staging/media/dt3155v4l/dt3155v4l.c @@ -898,6 +898,10 @@ dt3155_probe(struct pci_dev *pdev, const struct pci_device_id *id) INIT_LIST_HEAD(&pd->dmaq); mutex_init(&pd->mux); pd->vdev->lock = &pd->mux; /* for locking v4l2_file_operations */ + /* Locking in file operations other than ioctl should be done + by the driver, not the V4L2 core. + This driver needs auditing so that this flag can be removed. */ + set_bit(V4L2_FL_LOCK_ALL_FOPS, &pd->vdev->flags); spin_lock_init(&pd->lock); pd->csr2 = csr2_init; pd->config = config_init; diff --git a/drivers/staging/media/easycap/easycap_ioctl.c b/drivers/staging/media/easycap/easycap_ioctl.c index 9413b37490c2..3cee3cd986d2 100644 --- a/drivers/staging/media/easycap/easycap_ioctl.c +++ b/drivers/staging/media/easycap/easycap_ioctl.c @@ -26,6 +26,7 @@ /*****************************************************************************/ #include "easycap.h" +#include <linux/version.h> /*--------------------------------------------------------------------------*/ /* diff --git a/drivers/staging/media/easycap/easycap_main.c b/drivers/staging/media/easycap/easycap_main.c index d0fe34afc2e5..a1c45e4dcdce 100644 --- a/drivers/staging/media/easycap/easycap_main.c +++ b/drivers/staging/media/easycap/easycap_main.c @@ -700,214 +700,7 @@ static int videodev_release(struct video_device *pvideo_device) JOM(4, "ending successfully\n"); return 0; } -/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ -/*****************************************************************************/ -/*--------------------------------------------------------------------------*/ -/* - * THIS FUNCTION IS CALLED FROM WITHIN easycap_usb_disconnect() AND IS - * PROTECTED BY SEMAPHORES SET AND CLEARED BY easycap_usb_disconnect(). - * - * BY THIS STAGE THE DEVICE HAS ALREADY BEEN PHYSICALLY UNPLUGGED, SO - * peasycap->pusb_device IS NO LONGER VALID. - */ -/*---------------------------------------------------------------------------*/ -static void easycap_delete(struct kref *pkref) -{ - struct easycap *peasycap; - struct data_urb *pdata_urb; - struct list_head *plist_head, *plist_next; - int k, m, gone, kd; - int allocation_video_urb; - int allocation_video_page; - int allocation_video_struct; - int allocation_audio_urb; - int allocation_audio_page; - int allocation_audio_struct; - int registered_video, registered_audio; - - peasycap = container_of(pkref, struct easycap, kref); - if (!peasycap) { - SAM("ERROR: peasycap is NULL: cannot perform deletions\n"); - return; - } - kd = easycap_isdongle(peasycap); -/*---------------------------------------------------------------------------*/ -/* - * FREE VIDEO. - */ -/*---------------------------------------------------------------------------*/ - if (peasycap->purb_video_head) { - m = 0; - list_for_each(plist_head, peasycap->purb_video_head) { - pdata_urb = list_entry(plist_head, - struct data_urb, list_head); - if (pdata_urb && pdata_urb->purb) { - usb_free_urb(pdata_urb->purb); - pdata_urb->purb = NULL; - peasycap->allocation_video_urb--; - m++; - } - } - - JOM(4, "%i video urbs freed\n", m); -/*---------------------------------------------------------------------------*/ - JOM(4, "freeing video data_urb structures.\n"); - m = 0; - list_for_each_safe(plist_head, plist_next, - peasycap->purb_video_head) { - pdata_urb = list_entry(plist_head, - struct data_urb, list_head); - if (pdata_urb) { - peasycap->allocation_video_struct -= - sizeof(struct data_urb); - kfree(pdata_urb); - m++; - } - } - JOM(4, "%i video data_urb structures freed\n", m); - JOM(4, "setting peasycap->purb_video_head=NULL\n"); - peasycap->purb_video_head = NULL; - } -/*---------------------------------------------------------------------------*/ - JOM(4, "freeing video isoc buffers.\n"); - m = 0; - for (k = 0; k < VIDEO_ISOC_BUFFER_MANY; k++) { - if (peasycap->video_isoc_buffer[k].pgo) { - free_pages((unsigned long) - peasycap->video_isoc_buffer[k].pgo, - VIDEO_ISOC_ORDER); - peasycap->video_isoc_buffer[k].pgo = NULL; - peasycap->allocation_video_page -= - BIT(VIDEO_ISOC_ORDER); - m++; - } - } - JOM(4, "isoc video buffers freed: %i pages\n", - m * (0x01 << VIDEO_ISOC_ORDER)); -/*---------------------------------------------------------------------------*/ - JOM(4, "freeing video field buffers.\n"); - gone = 0; - for (k = 0; k < FIELD_BUFFER_MANY; k++) { - for (m = 0; m < FIELD_BUFFER_SIZE/PAGE_SIZE; m++) { - if (peasycap->field_buffer[k][m].pgo) { - free_page((unsigned long) - peasycap->field_buffer[k][m].pgo); - peasycap->field_buffer[k][m].pgo = NULL; - peasycap->allocation_video_page -= 1; - gone++; - } - } - } - JOM(4, "video field buffers freed: %i pages\n", gone); -/*---------------------------------------------------------------------------*/ - JOM(4, "freeing video frame buffers.\n"); - gone = 0; - for (k = 0; k < FRAME_BUFFER_MANY; k++) { - for (m = 0; m < FRAME_BUFFER_SIZE/PAGE_SIZE; m++) { - if (peasycap->frame_buffer[k][m].pgo) { - free_page((unsigned long) - peasycap->frame_buffer[k][m].pgo); - peasycap->frame_buffer[k][m].pgo = NULL; - peasycap->allocation_video_page -= 1; - gone++; - } - } - } - JOM(4, "video frame buffers freed: %i pages\n", gone); -/*---------------------------------------------------------------------------*/ -/* - * FREE AUDIO. - */ -/*---------------------------------------------------------------------------*/ - if (peasycap->purb_audio_head) { - JOM(4, "freeing audio urbs\n"); - m = 0; - list_for_each(plist_head, (peasycap->purb_audio_head)) { - pdata_urb = list_entry(plist_head, - struct data_urb, list_head); - if (pdata_urb && pdata_urb->purb) { - usb_free_urb(pdata_urb->purb); - pdata_urb->purb = NULL; - peasycap->allocation_audio_urb--; - m++; - } - } - JOM(4, "%i audio urbs freed\n", m); -/*---------------------------------------------------------------------------*/ - JOM(4, "freeing audio data_urb structures.\n"); - m = 0; - list_for_each_safe(plist_head, plist_next, - peasycap->purb_audio_head) { - pdata_urb = list_entry(plist_head, - struct data_urb, list_head); - if (pdata_urb) { - peasycap->allocation_audio_struct -= - sizeof(struct data_urb); - kfree(pdata_urb); - m++; - } - } - JOM(4, "%i audio data_urb structures freed\n", m); - JOM(4, "setting peasycap->purb_audio_head=NULL\n"); - peasycap->purb_audio_head = NULL; - } -/*---------------------------------------------------------------------------*/ - JOM(4, "freeing audio isoc buffers.\n"); - m = 0; - for (k = 0; k < AUDIO_ISOC_BUFFER_MANY; k++) { - if (peasycap->audio_isoc_buffer[k].pgo) { - free_pages((unsigned long) - (peasycap->audio_isoc_buffer[k].pgo), - AUDIO_ISOC_ORDER); - peasycap->audio_isoc_buffer[k].pgo = NULL; - peasycap->allocation_audio_page -= - BIT(AUDIO_ISOC_ORDER); - m++; - } - } - JOM(4, "easyoss_delete(): isoc audio buffers freed: %i pages\n", - m * (0x01 << AUDIO_ISOC_ORDER)); -/*---------------------------------------------------------------------------*/ - JOM(4, "freeing easycap structure.\n"); - allocation_video_urb = peasycap->allocation_video_urb; - allocation_video_page = peasycap->allocation_video_page; - allocation_video_struct = peasycap->allocation_video_struct; - registered_video = peasycap->registered_video; - allocation_audio_urb = peasycap->allocation_audio_urb; - allocation_audio_page = peasycap->allocation_audio_page; - allocation_audio_struct = peasycap->allocation_audio_struct; - registered_audio = peasycap->registered_audio; - - if (0 <= kd && DONGLE_MANY > kd) { - if (mutex_lock_interruptible(&mutex_dongle)) { - SAY("ERROR: cannot down mutex_dongle\n"); - } else { - JOM(4, "locked mutex_dongle\n"); - easycapdc60_dongle[kd].peasycap = NULL; - mutex_unlock(&mutex_dongle); - JOM(4, "unlocked mutex_dongle\n"); - JOT(4, " null-->dongle[%i].peasycap\n", kd); - allocation_video_struct -= sizeof(struct easycap); - } - } else { - SAY("ERROR: cannot purge dongle[].peasycap"); - } - kfree(peasycap); - -/*---------------------------------------------------------------------------*/ - SAY("%8i=video urbs after all deletions\n", allocation_video_urb); - SAY("%8i=video pages after all deletions\n", allocation_video_page); - SAY("%8i=video structs after all deletions\n", allocation_video_struct); - SAY("%8i=video devices after all deletions\n", registered_video); - SAY("%8i=audio urbs after all deletions\n", allocation_audio_urb); - SAY("%8i=audio pages after all deletions\n", allocation_audio_page); - SAY("%8i=audio structs after all deletions\n", allocation_audio_struct); - SAY("%8i=audio devices after all deletions\n", registered_audio); - - JOT(4, "ending.\n"); - return; -} /*****************************************************************************/ static unsigned int easycap_poll(struct file *file, poll_table *wait) { @@ -2842,6 +2635,813 @@ static void easycap_complete(struct urb *purb) return; } +static struct easycap *alloc_easycap(u8 bInterfaceNumber) +{ + struct easycap *peasycap; + int i; + + peasycap = kzalloc(sizeof(struct easycap), GFP_KERNEL); + if (!peasycap) { + SAY("ERROR: Could not allocate peasycap\n"); + return NULL; + } + + if (mutex_lock_interruptible(&mutex_dongle)) { + SAY("ERROR: cannot lock mutex_dongle\n"); + kfree(peasycap); + return NULL; + } + + /* Find a free dongle in easycapdc60_dongle array */ + for (i = 0; i < DONGLE_MANY; i++) { + + if ((!easycapdc60_dongle[i].peasycap) && + (!mutex_is_locked(&easycapdc60_dongle[i].mutex_video)) && + (!mutex_is_locked(&easycapdc60_dongle[i].mutex_audio))) { + + easycapdc60_dongle[i].peasycap = peasycap; + peasycap->isdongle = i; + JOM(8, "intf[%i]: peasycap-->easycap" + "_dongle[%i].peasycap\n", + bInterfaceNumber, i); + break; + } + } + + mutex_unlock(&mutex_dongle); + + if (i >= DONGLE_MANY) { + SAM("ERROR: too many dongles\n"); + kfree(peasycap); + return NULL; + } + + return peasycap; +} + +static void free_easycap(struct easycap *peasycap) +{ + int allocation_video_urb; + int allocation_video_page; + int allocation_video_struct; + int allocation_audio_urb; + int allocation_audio_page; + int allocation_audio_struct; + int registered_video, registered_audio; + int kd; + + JOM(4, "freeing easycap structure.\n"); + allocation_video_urb = peasycap->allocation_video_urb; + allocation_video_page = peasycap->allocation_video_page; + allocation_video_struct = peasycap->allocation_video_struct; + registered_video = peasycap->registered_video; + allocation_audio_urb = peasycap->allocation_audio_urb; + allocation_audio_page = peasycap->allocation_audio_page; + allocation_audio_struct = peasycap->allocation_audio_struct; + registered_audio = peasycap->registered_audio; + + kd = easycap_isdongle(peasycap); + if (0 <= kd && DONGLE_MANY > kd) { + if (mutex_lock_interruptible(&mutex_dongle)) { + SAY("ERROR: cannot down mutex_dongle\n"); + } else { + JOM(4, "locked mutex_dongle\n"); + easycapdc60_dongle[kd].peasycap = NULL; + mutex_unlock(&mutex_dongle); + JOM(4, "unlocked mutex_dongle\n"); + JOT(4, " null-->dongle[%i].peasycap\n", kd); + allocation_video_struct -= sizeof(struct easycap); + } + } else { + SAY("ERROR: cannot purge dongle[].peasycap"); + } + + /* Free device structure */ + kfree(peasycap); + + SAY("%8i=video urbs after all deletions\n", allocation_video_urb); + SAY("%8i=video pages after all deletions\n", allocation_video_page); + SAY("%8i=video structs after all deletions\n", allocation_video_struct); + SAY("%8i=video devices after all deletions\n", registered_video); + SAY("%8i=audio urbs after all deletions\n", allocation_audio_urb); + SAY("%8i=audio pages after all deletions\n", allocation_audio_page); + SAY("%8i=audio structs after all deletions\n", allocation_audio_struct); + SAY("%8i=audio devices after all deletions\n", registered_audio); +} + +/* + * FIXME: Identify the appropriate pointer peasycap for interfaces + * 1 and 2. The address of peasycap->pusb_device is reluctantly used + * for this purpose. + */ +static struct easycap *get_easycap(struct usb_device *usbdev, + u8 bInterfaceNumber) +{ + int i; + struct easycap *peasycap; + + for (i = 0; i < DONGLE_MANY; i++) { + if (easycapdc60_dongle[i].peasycap->pusb_device == usbdev) { + peasycap = easycapdc60_dongle[i].peasycap; + JOT(8, "intf[%i]: dongle[%i].peasycap\n", + bInterfaceNumber, i); + break; + } + } + if (i >= DONGLE_MANY) { + SAY("ERROR: peasycap is unknown when probing interface %i\n", + bInterfaceNumber); + return NULL; + } + if (!peasycap) { + SAY("ERROR: peasycap is NULL when probing interface %i\n", + bInterfaceNumber); + return NULL; + } + + return peasycap; +} + +static void init_easycap(struct easycap *peasycap, + struct usb_device *usbdev, + struct usb_interface *intf, + u8 bInterfaceNumber) +{ + /* Save usb_device and usb_interface */ + peasycap->pusb_device = usbdev; + peasycap->pusb_interface = intf; + + peasycap->minor = -1; + kref_init(&peasycap->kref); + JOM(8, "intf[%i]: after kref_init(..._video) " + "%i=peasycap->kref.refcount.counter\n", + bInterfaceNumber, peasycap->kref.refcount.counter); + + /* module params */ + peasycap->gain = (s8)clamp(easycap_gain, 0, 31); + + init_waitqueue_head(&peasycap->wq_video); + init_waitqueue_head(&peasycap->wq_audio); + init_waitqueue_head(&peasycap->wq_trigger); + + peasycap->allocation_video_struct = sizeof(struct easycap); + + peasycap->microphone = false; + + peasycap->video_interface = -1; + peasycap->video_altsetting_on = -1; + peasycap->video_altsetting_off = -1; + peasycap->video_endpointnumber = -1; + peasycap->video_isoc_maxframesize = -1; + peasycap->video_isoc_buffer_size = -1; + + peasycap->audio_interface = -1; + peasycap->audio_altsetting_on = -1; + peasycap->audio_altsetting_off = -1; + peasycap->audio_endpointnumber = -1; + peasycap->audio_isoc_maxframesize = -1; + peasycap->audio_isoc_buffer_size = -1; + + peasycap->frame_buffer_many = FRAME_BUFFER_MANY; + + peasycap->ntsc = easycap_ntsc; + JOM(8, "defaulting initially to %s\n", + easycap_ntsc ? "NTSC" : "PAL"); +} + +static int populate_inputset(struct easycap *peasycap) +{ + struct inputset *inputset; + struct easycap_format *peasycap_format; + struct v4l2_pix_format *pix; + int m, i, k, mask, fmtidx; + s32 value; + + inputset = peasycap->inputset; + + fmtidx = peasycap->ntsc ? NTSC_M : PAL_BGHIN; + + m = 0; + mask = 0; + for (i = 0; easycap_standard[i].mask != 0xffff; i++) { + if (fmtidx == easycap_standard[i].v4l2_standard.index) { + m++; + for (k = 0; k < INPUT_MANY; k++) + inputset[k].standard_offset = i; + mask = easycap_standard[i].mask; + } + } + + if (m != 1) { + SAM("ERROR: inputset->standard_offset unpopulated, %i=m\n", m); + return -ENOENT; + } + + peasycap_format = &easycap_format[0]; + m = 0; + for (i = 0; peasycap_format->v4l2_format.fmt.pix.width; i++) { + pix = &peasycap_format->v4l2_format.fmt.pix; + if (((peasycap_format->mask & 0x0F) == (mask & 0x0F)) + && pix->field == V4L2_FIELD_NONE + && pix->pixelformat == V4L2_PIX_FMT_UYVY + && pix->width == 640 && pix->height == 480) { + m++; + for (k = 0; k < INPUT_MANY; k++) + inputset[k].format_offset = i; + break; + } + peasycap_format++; + } + if (m != 1) { + SAM("ERROR: inputset[]->format_offset unpopulated\n"); + return -ENOENT; + } + + m = 0; + for (i = 0; easycap_control[i].id != 0xffffffff; i++) { + value = easycap_control[i].default_value; + if (V4L2_CID_BRIGHTNESS == easycap_control[i].id) { + m++; + for (k = 0; k < INPUT_MANY; k++) + inputset[k].brightness = value; + } else if (V4L2_CID_CONTRAST == easycap_control[i].id) { + m++; + for (k = 0; k < INPUT_MANY; k++) + inputset[k].contrast = value; + } else if (V4L2_CID_SATURATION == easycap_control[i].id) { + m++; + for (k = 0; k < INPUT_MANY; k++) + inputset[k].saturation = value; + } else if (V4L2_CID_HUE == easycap_control[i].id) { + m++; + for (k = 0; k < INPUT_MANY; k++) + inputset[k].hue = value; + } + } + + if (m != 4) { + SAM("ERROR: inputset[]->brightness underpopulated\n"); + return -ENOENT; + } + + for (k = 0; k < INPUT_MANY; k++) + inputset[k].input = k; + JOM(4, "populated inputset[]\n"); + + return 0; +} + +static int alloc_framebuffers(struct easycap *peasycap) +{ + int i, j; + void *pbuf; + + JOM(4, "allocating %i frame buffers of size %li\n", + FRAME_BUFFER_MANY, (long int)FRAME_BUFFER_SIZE); + JOM(4, ".... each scattered over %li pages\n", + FRAME_BUFFER_SIZE/PAGE_SIZE); + + for (i = 0; i < FRAME_BUFFER_MANY; i++) { + for (j = 0; j < FRAME_BUFFER_SIZE/PAGE_SIZE; j++) { + if (peasycap->frame_buffer[i][j].pgo) + SAM("attempting to reallocate framebuffers\n"); + else { + pbuf = (void *)__get_free_page(GFP_KERNEL); + if (!pbuf) { + SAM("ERROR: Could not allocate " + "framebuffer %i page %i\n", i, j); + return -ENOMEM; + } + peasycap->allocation_video_page += 1; + peasycap->frame_buffer[i][j].pgo = pbuf; + } + peasycap->frame_buffer[i][j].pto = + peasycap->frame_buffer[i][j].pgo; + } + } + + peasycap->frame_fill = 0; + peasycap->frame_read = 0; + JOM(4, "allocation of frame buffers done: %i pages\n", i*j); + + return 0; +} + +static void free_framebuffers(struct easycap *peasycap) +{ + int k, m, gone; + + JOM(4, "freeing video frame buffers.\n"); + gone = 0; + for (k = 0; k < FRAME_BUFFER_MANY; k++) { + for (m = 0; m < FRAME_BUFFER_SIZE/PAGE_SIZE; m++) { + if (peasycap->frame_buffer[k][m].pgo) { + free_page((unsigned long) + peasycap->frame_buffer[k][m].pgo); + peasycap->frame_buffer[k][m].pgo = NULL; + peasycap->allocation_video_page -= 1; + gone++; + } + } + } + JOM(4, "video frame buffers freed: %i pages\n", gone); +} + +static int alloc_fieldbuffers(struct easycap *peasycap) +{ + int i, j; + void *pbuf; + + JOM(4, "allocating %i field buffers of size %li\n", + FIELD_BUFFER_MANY, (long int)FIELD_BUFFER_SIZE); + JOM(4, ".... each scattered over %li pages\n", + FIELD_BUFFER_SIZE/PAGE_SIZE); + + for (i = 0; i < FIELD_BUFFER_MANY; i++) { + for (j = 0; j < FIELD_BUFFER_SIZE/PAGE_SIZE; j++) { + if (peasycap->field_buffer[i][j].pgo) { + SAM("ERROR: attempting to reallocate " + "fieldbuffers\n"); + } else { + pbuf = (void *) __get_free_page(GFP_KERNEL); + if (!pbuf) { + SAM("ERROR: Could not allocate " + "fieldbuffer %i page %i\n", i, j); + return -ENOMEM; + } + peasycap->allocation_video_page += 1; + peasycap->field_buffer[i][j].pgo = pbuf; + } + peasycap->field_buffer[i][j].pto = + peasycap->field_buffer[i][j].pgo; + } + /* TODO: Hardcoded 0x0200 meaning? */ + peasycap->field_buffer[i][0].kount = 0x0200; + } + peasycap->field_fill = 0; + peasycap->field_page = 0; + peasycap->field_read = 0; + JOM(4, "allocation of field buffers done: %i pages\n", i*j); + + return 0; +} + +static void free_fieldbuffers(struct easycap *peasycap) +{ + int k, m, gone; + + JOM(4, "freeing video field buffers.\n"); + gone = 0; + for (k = 0; k < FIELD_BUFFER_MANY; k++) { + for (m = 0; m < FIELD_BUFFER_SIZE/PAGE_SIZE; m++) { + if (peasycap->field_buffer[k][m].pgo) { + free_page((unsigned long) + peasycap->field_buffer[k][m].pgo); + peasycap->field_buffer[k][m].pgo = NULL; + peasycap->allocation_video_page -= 1; + gone++; + } + } + } + JOM(4, "video field buffers freed: %i pages\n", gone); +} + +static int alloc_isocbuffers(struct easycap *peasycap) +{ + int i; + void *pbuf; + + JOM(4, "allocating %i isoc video buffers of size %i\n", + VIDEO_ISOC_BUFFER_MANY, + peasycap->video_isoc_buffer_size); + JOM(4, ".... each occupying contiguous memory pages\n"); + + for (i = 0; i < VIDEO_ISOC_BUFFER_MANY; i++) { + pbuf = (void *)__get_free_pages(GFP_KERNEL, + VIDEO_ISOC_ORDER); + if (!pbuf) { + SAM("ERROR: Could not allocate isoc " + "video buffer %i\n", i); + return -ENOMEM; + } + peasycap->allocation_video_page += BIT(VIDEO_ISOC_ORDER); + + peasycap->video_isoc_buffer[i].pgo = pbuf; + peasycap->video_isoc_buffer[i].pto = + pbuf + peasycap->video_isoc_buffer_size; + peasycap->video_isoc_buffer[i].kount = i; + } + JOM(4, "allocation of isoc video buffers done: %i pages\n", + i * (0x01 << VIDEO_ISOC_ORDER)); + return 0; +} + +static void free_isocbuffers(struct easycap *peasycap) +{ + int k, m; + + JOM(4, "freeing video isoc buffers.\n"); + m = 0; + for (k = 0; k < VIDEO_ISOC_BUFFER_MANY; k++) { + if (peasycap->video_isoc_buffer[k].pgo) { + free_pages((unsigned long) + peasycap->video_isoc_buffer[k].pgo, + VIDEO_ISOC_ORDER); + peasycap->video_isoc_buffer[k].pgo = NULL; + peasycap->allocation_video_page -= + BIT(VIDEO_ISOC_ORDER); + m++; + } + } + JOM(4, "isoc video buffers freed: %i pages\n", + m * (0x01 << VIDEO_ISOC_ORDER)); +} + +static int create_video_urbs(struct easycap *peasycap) +{ + struct urb *purb; + struct data_urb *pdata_urb; + int i, j; + + JOM(4, "allocating %i struct urb.\n", VIDEO_ISOC_BUFFER_MANY); + JOM(4, "using %i=peasycap->video_isoc_framesperdesc\n", + peasycap->video_isoc_framesperdesc); + JOM(4, "using %i=peasycap->video_isoc_maxframesize\n", + peasycap->video_isoc_maxframesize); + JOM(4, "using %i=peasycap->video_isoc_buffer_sizen", + peasycap->video_isoc_buffer_size); + + for (i = 0; i < VIDEO_ISOC_BUFFER_MANY; i++) { + purb = usb_alloc_urb(peasycap->video_isoc_framesperdesc, + GFP_KERNEL); + if (!purb) { + SAM("ERROR: usb_alloc_urb returned NULL for buffer " + "%i\n", i); + return -ENOMEM; + } + + peasycap->allocation_video_urb += 1; + pdata_urb = kzalloc(sizeof(struct data_urb), GFP_KERNEL); + if (!pdata_urb) { + SAM("ERROR: Could not allocate struct data_urb.\n"); + return -ENOMEM; + } + + peasycap->allocation_video_struct += + sizeof(struct data_urb); + + pdata_urb->purb = purb; + pdata_urb->isbuf = i; + pdata_urb->length = 0; + list_add_tail(&(pdata_urb->list_head), + peasycap->purb_video_head); + + if (!i) { + JOM(4, "initializing video urbs thus:\n"); + JOM(4, " purb->interval = 1;\n"); + JOM(4, " purb->dev = peasycap->pusb_device;\n"); + JOM(4, " purb->pipe = usb_rcvisocpipe" + "(peasycap->pusb_device,%i);\n", + peasycap->video_endpointnumber); + JOM(4, " purb->transfer_flags = URB_ISO_ASAP;\n"); + JOM(4, " purb->transfer_buffer = peasycap->" + "video_isoc_buffer[.].pgo;\n"); + JOM(4, " purb->transfer_buffer_length = %i;\n", + peasycap->video_isoc_buffer_size); + JOM(4, " purb->complete = easycap_complete;\n"); + JOM(4, " purb->context = peasycap;\n"); + JOM(4, " purb->start_frame = 0;\n"); + JOM(4, " purb->number_of_packets = %i;\n", + peasycap->video_isoc_framesperdesc); + JOM(4, " for (j = 0; j < %i; j++)\n", + peasycap->video_isoc_framesperdesc); + JOM(4, " {\n"); + JOM(4, " purb->iso_frame_desc[j].offset = j*%i;\n", + peasycap->video_isoc_maxframesize); + JOM(4, " purb->iso_frame_desc[j].length = %i;\n", + peasycap->video_isoc_maxframesize); + JOM(4, " }\n"); + } + + purb->interval = 1; + purb->dev = peasycap->pusb_device; + purb->pipe = usb_rcvisocpipe(peasycap->pusb_device, + peasycap->video_endpointnumber); + + purb->transfer_flags = URB_ISO_ASAP; + purb->transfer_buffer = peasycap->video_isoc_buffer[i].pgo; + purb->transfer_buffer_length = + peasycap->video_isoc_buffer_size; + + purb->complete = easycap_complete; + purb->context = peasycap; + purb->start_frame = 0; + purb->number_of_packets = peasycap->video_isoc_framesperdesc; + + for (j = 0; j < peasycap->video_isoc_framesperdesc; j++) { + purb->iso_frame_desc[j].offset = + j * peasycap->video_isoc_maxframesize; + purb->iso_frame_desc[j].length = + peasycap->video_isoc_maxframesize; + } + } + JOM(4, "allocation of %i struct urb done.\n", i); + return 0; +} + +static void free_video_urbs(struct easycap *peasycap) +{ + struct list_head *plist_head, *plist_next; + struct data_urb *pdata_urb; + int m; + + if (peasycap->purb_video_head) { + m = 0; + list_for_each(plist_head, peasycap->purb_video_head) { + pdata_urb = list_entry(plist_head, + struct data_urb, list_head); + if (pdata_urb && pdata_urb->purb) { + usb_free_urb(pdata_urb->purb); + pdata_urb->purb = NULL; + peasycap->allocation_video_urb--; + m++; + } + } + + JOM(4, "%i video urbs freed\n", m); + JOM(4, "freeing video data_urb structures.\n"); + m = 0; + list_for_each_safe(plist_head, plist_next, + peasycap->purb_video_head) { + pdata_urb = list_entry(plist_head, + struct data_urb, list_head); + if (pdata_urb) { + peasycap->allocation_video_struct -= + sizeof(struct data_urb); + kfree(pdata_urb); + m++; + } + } + JOM(4, "%i video data_urb structures freed\n", m); + JOM(4, "setting peasycap->purb_video_head=NULL\n"); + peasycap->purb_video_head = NULL; + } +} + +static int alloc_audio_buffers(struct easycap *peasycap) +{ + void *pbuf; + int k; + + JOM(4, "allocating %i isoc audio buffers of size %i\n", + AUDIO_ISOC_BUFFER_MANY, + peasycap->audio_isoc_buffer_size); + JOM(4, ".... each occupying contiguous memory pages\n"); + + for (k = 0; k < AUDIO_ISOC_BUFFER_MANY; k++) { + pbuf = (void *)__get_free_pages(GFP_KERNEL, AUDIO_ISOC_ORDER); + if (!pbuf) { + SAM("ERROR: Could not allocate isoc audio buffer %i\n", + k); + return -ENOMEM; + } + peasycap->allocation_audio_page += BIT(AUDIO_ISOC_ORDER); + + peasycap->audio_isoc_buffer[k].pgo = pbuf; + peasycap->audio_isoc_buffer[k].pto = + pbuf + peasycap->audio_isoc_buffer_size; + peasycap->audio_isoc_buffer[k].kount = k; + } + + JOM(4, "allocation of isoc audio buffers done.\n"); + return 0; +} + +static void free_audio_buffers(struct easycap *peasycap) +{ + int k, m; + + JOM(4, "freeing audio isoc buffers.\n"); + m = 0; + for (k = 0; k < AUDIO_ISOC_BUFFER_MANY; k++) { + if (peasycap->audio_isoc_buffer[k].pgo) { + free_pages((unsigned long) + (peasycap->audio_isoc_buffer[k].pgo), + AUDIO_ISOC_ORDER); + peasycap->audio_isoc_buffer[k].pgo = NULL; + peasycap->allocation_audio_page -= + BIT(AUDIO_ISOC_ORDER); + m++; + } + } + JOM(4, "easyoss_delete(): isoc audio buffers freed: %i pages\n", + m * (0x01 << AUDIO_ISOC_ORDER)); +} + +static int create_audio_urbs(struct easycap *peasycap) +{ + struct urb *purb; + struct data_urb *pdata_urb; + int k, j; + + JOM(4, "allocating %i struct urb.\n", AUDIO_ISOC_BUFFER_MANY); + JOM(4, "using %i=peasycap->audio_isoc_framesperdesc\n", + peasycap->audio_isoc_framesperdesc); + JOM(4, "using %i=peasycap->audio_isoc_maxframesize\n", + peasycap->audio_isoc_maxframesize); + JOM(4, "using %i=peasycap->audio_isoc_buffer_size\n", + peasycap->audio_isoc_buffer_size); + + for (k = 0; k < AUDIO_ISOC_BUFFER_MANY; k++) { + purb = usb_alloc_urb(peasycap->audio_isoc_framesperdesc, + GFP_KERNEL); + if (!purb) { + SAM("ERROR: usb_alloc_urb returned NULL for buffer " + "%i\n", k); + return -ENOMEM; + } + peasycap->allocation_audio_urb += 1 ; + pdata_urb = kzalloc(sizeof(struct data_urb), GFP_KERNEL); + if (!pdata_urb) { + usb_free_urb(purb); + SAM("ERROR: Could not allocate struct data_urb.\n"); + return -ENOMEM; + } + peasycap->allocation_audio_struct += + sizeof(struct data_urb); + + pdata_urb->purb = purb; + pdata_urb->isbuf = k; + pdata_urb->length = 0; + list_add_tail(&(pdata_urb->list_head), + peasycap->purb_audio_head); + + if (!k) { + JOM(4, "initializing audio urbs thus:\n"); + JOM(4, " purb->interval = 1;\n"); + JOM(4, " purb->dev = peasycap->pusb_device;\n"); + JOM(4, " purb->pipe = usb_rcvisocpipe(peasycap->" + "pusb_device,%i);\n", + peasycap->audio_endpointnumber); + JOM(4, " purb->transfer_flags = URB_ISO_ASAP;\n"); + JOM(4, " purb->transfer_buffer = " + "peasycap->audio_isoc_buffer[.].pgo;\n"); + JOM(4, " purb->transfer_buffer_length = %i;\n", + peasycap->audio_isoc_buffer_size); + JOM(4, " purb->complete = easycap_alsa_complete;\n"); + JOM(4, " purb->context = peasycap;\n"); + JOM(4, " purb->start_frame = 0;\n"); + JOM(4, " purb->number_of_packets = %i;\n", + peasycap->audio_isoc_framesperdesc); + JOM(4, " for (j = 0; j < %i; j++)\n", + peasycap->audio_isoc_framesperdesc); + JOM(4, " {\n"); + JOM(4, " purb->iso_frame_desc[j].offset = j*%i;\n", + peasycap->audio_isoc_maxframesize); + JOM(4, " purb->iso_frame_desc[j].length = %i;\n", + peasycap->audio_isoc_maxframesize); + JOM(4, " }\n"); + } + + purb->interval = 1; + purb->dev = peasycap->pusb_device; + purb->pipe = usb_rcvisocpipe(peasycap->pusb_device, + peasycap->audio_endpointnumber); + purb->transfer_flags = URB_ISO_ASAP; + purb->transfer_buffer = peasycap->audio_isoc_buffer[k].pgo; + purb->transfer_buffer_length = + peasycap->audio_isoc_buffer_size; + purb->complete = easycap_alsa_complete; + purb->context = peasycap; + purb->start_frame = 0; + purb->number_of_packets = peasycap->audio_isoc_framesperdesc; + for (j = 0; j < peasycap->audio_isoc_framesperdesc; j++) { + purb->iso_frame_desc[j].offset = + j * peasycap->audio_isoc_maxframesize; + purb->iso_frame_desc[j].length = + peasycap->audio_isoc_maxframesize; + } + } + JOM(4, "allocation of %i struct urb done.\n", k); + return 0; +} + +static void free_audio_urbs(struct easycap *peasycap) +{ + struct list_head *plist_head, *plist_next; + struct data_urb *pdata_urb; + int m; + + if (peasycap->purb_audio_head) { + JOM(4, "freeing audio urbs\n"); + m = 0; + list_for_each(plist_head, (peasycap->purb_audio_head)) { + pdata_urb = list_entry(plist_head, + struct data_urb, list_head); + if (pdata_urb && pdata_urb->purb) { + usb_free_urb(pdata_urb->purb); + pdata_urb->purb = NULL; + peasycap->allocation_audio_urb--; + m++; + } + } + JOM(4, "%i audio urbs freed\n", m); + JOM(4, "freeing audio data_urb structures.\n"); + m = 0; + list_for_each_safe(plist_head, plist_next, + peasycap->purb_audio_head) { + pdata_urb = list_entry(plist_head, + struct data_urb, list_head); + if (pdata_urb) { + peasycap->allocation_audio_struct -= + sizeof(struct data_urb); + kfree(pdata_urb); + m++; + } + } + JOM(4, "%i audio data_urb structures freed\n", m); + JOM(4, "setting peasycap->purb_audio_head=NULL\n"); + peasycap->purb_audio_head = NULL; + } +} + +static void config_easycap(struct easycap *peasycap, + u8 bInterfaceNumber, + u8 bInterfaceClass, + u8 bInterfaceSubClass) +{ + if ((USB_CLASS_VIDEO == bInterfaceClass) || + (USB_CLASS_VENDOR_SPEC == bInterfaceClass)) { + if (-1 == peasycap->video_interface) { + peasycap->video_interface = bInterfaceNumber; + JOM(4, "setting peasycap->video_interface=%i\n", + peasycap->video_interface); + } else { + if (peasycap->video_interface != bInterfaceNumber) { + SAM("ERROR: attempting to reset " + "peasycap->video_interface\n"); + SAM("...... continuing with " + "%i=peasycap->video_interface\n", + peasycap->video_interface); + } + } + } else if ((USB_CLASS_AUDIO == bInterfaceClass) && + (USB_SUBCLASS_AUDIOSTREAMING == bInterfaceSubClass)) { + if (-1 == peasycap->audio_interface) { + peasycap->audio_interface = bInterfaceNumber; + JOM(4, "setting peasycap->audio_interface=%i\n", + peasycap->audio_interface); + } else { + if (peasycap->audio_interface != bInterfaceNumber) { + SAM("ERROR: attempting to reset " + "peasycap->audio_interface\n"); + SAM("...... continuing with " + "%i=peasycap->audio_interface\n", + peasycap->audio_interface); + } + } + } +} + +/* + * This function is called from within easycap_usb_disconnect() and is + * protected by semaphores set and cleared by easycap_usb_disconnect(). + * By this stage the device has already been physically unplugged, + * so peasycap->pusb_device is no longer valid. + */ +static void easycap_delete(struct kref *pkref) +{ + struct easycap *peasycap; + + peasycap = container_of(pkref, struct easycap, kref); + if (!peasycap) { + SAM("ERROR: peasycap is NULL: cannot perform deletions\n"); + return; + } + + /* Free video urbs */ + free_video_urbs(peasycap); + + /* Free video isoc buffers */ + free_isocbuffers(peasycap); + + /* Free video field buffers */ + free_fieldbuffers(peasycap); + + /* Free video frame buffers */ + free_framebuffers(peasycap); + + /* Free audio urbs */ + free_audio_urbs(peasycap); + + /* Free audio isoc buffers */ + free_audio_buffers(peasycap); + + free_easycap(peasycap); + + JOT(4, "ending.\n"); +} + static const struct v4l2_file_operations v4l2_fops = { .owner = THIS_MODULE, .open = easycap_open_noinode, @@ -2850,6 +3450,36 @@ static const struct v4l2_file_operations v4l2_fops = { .mmap = easycap_mmap, }; +static int easycap_register_video(struct easycap *peasycap) +{ + /* + * FIXME: This is believed to be harmless, + * but may well be unnecessary or wrong. + */ + peasycap->video_device.v4l2_dev = NULL; + + strcpy(&peasycap->video_device.name[0], "easycapdc60"); + peasycap->video_device.fops = &v4l2_fops; + peasycap->video_device.minor = -1; + peasycap->video_device.release = (void *)(&videodev_release); + + video_set_drvdata(&(peasycap->video_device), (void *)peasycap); + + if (0 != (video_register_device(&(peasycap->video_device), + VFL_TYPE_GRABBER, -1))) { + videodev_release(&(peasycap->video_device)); + return -ENODEV; + } + + peasycap->registered_video++; + + SAM("registered with videodev: %i=minor\n", + peasycap->video_device.minor); + peasycap->minor = peasycap->video_device.minor; + + return 0; +} + /* * When the device is plugged, this function is called three times, * one for each interface. @@ -2861,24 +3491,15 @@ static int easycap_usb_probe(struct usb_interface *intf, struct usb_host_interface *alt; struct usb_endpoint_descriptor *ep; struct usb_interface_descriptor *interface; - struct urb *purb; struct easycap *peasycap; - int ndong; - struct data_urb *pdata_urb; - int i, j, k, m, rc; + int i, j, rc; u8 bInterfaceNumber; u8 bInterfaceClass; u8 bInterfaceSubClass; - void *pbuf; int okalt[8], isokalt; int okepn[8]; int okmps[8]; int maxpacketsize; - u16 mask; - s32 value; - struct easycap_format *peasycap_format; - int fmtidx; - struct inputset *inputset; usbdev = interface_to_usbdev(intf); @@ -2916,76 +3537,16 @@ static int easycap_usb_probe(struct usb_interface *intf, * interfaces 1 and 2 are probed. */ if (0 == bInterfaceNumber) { - peasycap = kzalloc(sizeof(struct easycap), GFP_KERNEL); - if (!peasycap) { - SAY("ERROR: Could not allocate peasycap\n"); - return -ENOMEM; - } - - /* Perform urgent initializations */ - peasycap->minor = -1; - kref_init(&peasycap->kref); - JOM(8, "intf[%i]: after kref_init(..._video) " - "%i=peasycap->kref.refcount.counter\n", - bInterfaceNumber, peasycap->kref.refcount.counter); - - /* module params */ - peasycap->gain = (s8)clamp(easycap_gain, 0, 31); - - init_waitqueue_head(&peasycap->wq_video); - init_waitqueue_head(&peasycap->wq_audio); - init_waitqueue_head(&peasycap->wq_trigger); - - if (mutex_lock_interruptible(&mutex_dongle)) { - SAY("ERROR: cannot down mutex_dongle\n"); - return -ERESTARTSYS; - } - - for (ndong = 0; ndong < DONGLE_MANY; ndong++) { - if ((!easycapdc60_dongle[ndong].peasycap) && - (!mutex_is_locked(&easycapdc60_dongle - [ndong].mutex_video)) && - (!mutex_is_locked(&easycapdc60_dongle - [ndong].mutex_audio))) { - easycapdc60_dongle[ndong].peasycap = peasycap; - peasycap->isdongle = ndong; - JOM(8, "intf[%i]: peasycap-->easycap" - "_dongle[%i].peasycap\n", - bInterfaceNumber, ndong); - break; - } - } - - if (DONGLE_MANY <= ndong) { - SAM("ERROR: too many dongles\n"); - mutex_unlock(&mutex_dongle); + /* + * Alloc structure and save it in a free slot in + * easycapdc60_dongle array + */ + peasycap = alloc_easycap(bInterfaceNumber); + if (!peasycap) return -ENOMEM; - } - mutex_unlock(&mutex_dongle); - - peasycap->allocation_video_struct = sizeof(struct easycap); - - /* and further initialize the structure */ - peasycap->pusb_device = usbdev; - peasycap->pusb_interface = intf; - peasycap->microphone = false; - - peasycap->video_interface = -1; - peasycap->video_altsetting_on = -1; - peasycap->video_altsetting_off = -1; - peasycap->video_endpointnumber = -1; - peasycap->video_isoc_maxframesize = -1; - peasycap->video_isoc_buffer_size = -1; - - peasycap->audio_interface = -1; - peasycap->audio_altsetting_on = -1; - peasycap->audio_altsetting_off = -1; - peasycap->audio_endpointnumber = -1; - peasycap->audio_isoc_maxframesize = -1; - peasycap->audio_isoc_buffer_size = -1; - - peasycap->frame_buffer_many = FRAME_BUFFER_MANY; + /* Perform basic struct initialization */ + init_easycap(peasycap, usbdev, intf, bInterfaceNumber); /* Dynamically fill in the available formats */ rc = easycap_video_fillin_formats(); @@ -2996,136 +3557,19 @@ static int easycap_usb_probe(struct usb_interface *intf, JOM(4, "%i formats available\n", rc); /* Populate easycap.inputset[] */ - inputset = peasycap->inputset; - fmtidx = peasycap->ntsc ? NTSC_M : PAL_BGHIN; - m = 0; - mask = 0; - for (i = 0; 0xFFFF != easycap_standard[i].mask; i++) { - if (fmtidx == easycap_standard[i].v4l2_standard.index) { - m++; - for (k = 0; k < INPUT_MANY; k++) - inputset[k].standard_offset = i; - - mask = easycap_standard[i].mask; - } - } - if (1 != m) { - SAM("ERROR: " - "inputset->standard_offset unpopulated, %i=m\n", m); - return -ENOENT; - } - - peasycap_format = &easycap_format[0]; - m = 0; - for (i = 0; peasycap_format->v4l2_format.fmt.pix.width; i++) { - struct v4l2_pix_format *pix = - &peasycap_format->v4l2_format.fmt.pix; - if (((peasycap_format->mask & 0x0F) == (mask & 0x0F)) && - pix->field == V4L2_FIELD_NONE && - pix->pixelformat == V4L2_PIX_FMT_UYVY && - pix->width == 640 && pix->height == 480) { - m++; - for (k = 0; k < INPUT_MANY; k++) - inputset[k].format_offset = i; - break; - } - peasycap_format++; - } - if (1 != m) { - SAM("ERROR: inputset[]->format_offset unpopulated\n"); - return -ENOENT; - } - - m = 0; - for (i = 0; 0xFFFFFFFF != easycap_control[i].id; i++) { - value = easycap_control[i].default_value; - if (V4L2_CID_BRIGHTNESS == easycap_control[i].id) { - m++; - for (k = 0; k < INPUT_MANY; k++) - inputset[k].brightness = value; - } else if (V4L2_CID_CONTRAST == easycap_control[i].id) { - m++; - for (k = 0; k < INPUT_MANY; k++) - inputset[k].contrast = value; - } else if (V4L2_CID_SATURATION == easycap_control[i].id) { - m++; - for (k = 0; k < INPUT_MANY; k++) - inputset[k].saturation = value; - } else if (V4L2_CID_HUE == easycap_control[i].id) { - m++; - for (k = 0; k < INPUT_MANY; k++) - inputset[k].hue = value; - } - } - - if (4 != m) { - SAM("ERROR: inputset[]->brightness underpopulated\n"); - return -ENOENT; - } - for (k = 0; k < INPUT_MANY; k++) - inputset[k].input = k; - JOM(4, "populated inputset[]\n"); + rc = populate_inputset(peasycap); + if (rc < 0) + return rc; JOM(4, "finished initialization\n"); } else { - - /* - * FIXME: Identify the appropriate pointer - * peasycap for interfaces 1 and 2. - * The address of peasycap->pusb_device - * is reluctantly used for this purpose. - */ - for (ndong = 0; ndong < DONGLE_MANY; ndong++) { - if (usbdev == easycapdc60_dongle[ndong].peasycap-> - pusb_device) { - peasycap = easycapdc60_dongle[ndong].peasycap; - JOT(8, "intf[%i]: dongle[%i].peasycap\n", - bInterfaceNumber, ndong); - break; - } - } - if (DONGLE_MANY <= ndong) { - SAY("ERROR: peasycap is unknown when probing interface %i\n", - bInterfaceNumber); + peasycap = get_easycap(usbdev, bInterfaceNumber); + if (!peasycap) return -ENODEV; - } - if (!peasycap) { - SAY("ERROR: peasycap is NULL when probing interface %i\n", - bInterfaceNumber); - return -ENODEV; - } } - if ((USB_CLASS_VIDEO == bInterfaceClass) || - (USB_CLASS_VENDOR_SPEC == bInterfaceClass)) { - if (-1 == peasycap->video_interface) { - peasycap->video_interface = bInterfaceNumber; - JOM(4, "setting peasycap->video_interface=%i\n", - peasycap->video_interface); - } else { - if (peasycap->video_interface != bInterfaceNumber) { - SAM("ERROR: attempting to reset " - "peasycap->video_interface\n"); - SAM("...... continuing with " - "%i=peasycap->video_interface\n", - peasycap->video_interface); - } - } - } else if ((USB_CLASS_AUDIO == bInterfaceClass) && - (USB_SUBCLASS_AUDIOSTREAMING == bInterfaceSubClass)) { - if (-1 == peasycap->audio_interface) { - peasycap->audio_interface = bInterfaceNumber; - JOM(4, "setting peasycap->audio_interface=%i\n", - peasycap->audio_interface); - } else { - if (peasycap->audio_interface != bInterfaceNumber) { - SAM("ERROR: attempting to reset " - "peasycap->audio_interface\n"); - SAM("...... continuing with " - "%i=peasycap->audio_interface\n", - peasycap->audio_interface); - } - } - } + config_easycap(peasycap, bInterfaceNumber, + bInterfaceClass, + bInterfaceSubClass); /* * Investigate all altsettings. This is done in detail @@ -3368,173 +3812,23 @@ static int easycap_usb_probe(struct usb_interface *intf, */ INIT_LIST_HEAD(&(peasycap->urb_video_head)); peasycap->purb_video_head = &(peasycap->urb_video_head); - JOM(4, "allocating %i frame buffers of size %li\n", - FRAME_BUFFER_MANY, (long int)FRAME_BUFFER_SIZE); - JOM(4, ".... each scattered over %li pages\n", - FRAME_BUFFER_SIZE/PAGE_SIZE); - - for (k = 0; k < FRAME_BUFFER_MANY; k++) { - for (m = 0; m < FRAME_BUFFER_SIZE/PAGE_SIZE; m++) { - if (peasycap->frame_buffer[k][m].pgo) - SAM("attempting to reallocate frame " - " buffers\n"); - else { - pbuf = (void *)__get_free_page(GFP_KERNEL); - if (!pbuf) { - SAM("ERROR: Could not allocate frame " - "buffer %i page %i\n", k, m); - return -ENOMEM; - } - - peasycap->allocation_video_page += 1; - peasycap->frame_buffer[k][m].pgo = pbuf; - } - peasycap->frame_buffer[k][m].pto = - peasycap->frame_buffer[k][m].pgo; - } - } - - peasycap->frame_fill = 0; - peasycap->frame_read = 0; - JOM(4, "allocation of frame buffers done: %i pages\n", k * - m); - JOM(4, "allocating %i field buffers of size %li\n", - FIELD_BUFFER_MANY, (long int)FIELD_BUFFER_SIZE); - JOM(4, ".... each scattered over %li pages\n", - FIELD_BUFFER_SIZE/PAGE_SIZE); - - for (k = 0; k < FIELD_BUFFER_MANY; k++) { - for (m = 0; m < FIELD_BUFFER_SIZE/PAGE_SIZE; m++) { - if (peasycap->field_buffer[k][m].pgo) { - SAM("ERROR: attempting to reallocate " - "field buffers\n"); - } else { - pbuf = (void *) __get_free_page(GFP_KERNEL); - if (!pbuf) { - SAM("ERROR: Could not allocate field" - " buffer %i page %i\n", k, m); - return -ENOMEM; - } - - peasycap->allocation_video_page += 1; - peasycap->field_buffer[k][m].pgo = pbuf; - } - peasycap->field_buffer[k][m].pto = - peasycap->field_buffer[k][m].pgo; - } - peasycap->field_buffer[k][0].kount = 0x0200; - } - peasycap->field_fill = 0; - peasycap->field_page = 0; - peasycap->field_read = 0; - JOM(4, "allocation of field buffers done: %i pages\n", k * - m); - JOM(4, "allocating %i isoc video buffers of size %i\n", - VIDEO_ISOC_BUFFER_MANY, - peasycap->video_isoc_buffer_size); - JOM(4, ".... each occupying contiguous memory pages\n"); - - for (k = 0; k < VIDEO_ISOC_BUFFER_MANY; k++) { - pbuf = (void *)__get_free_pages(GFP_KERNEL, - VIDEO_ISOC_ORDER); - if (!pbuf) { - SAM("ERROR: Could not allocate isoc video buffer " - "%i\n", k); - return -ENOMEM; - } - peasycap->allocation_video_page += - BIT(VIDEO_ISOC_ORDER); - peasycap->video_isoc_buffer[k].pgo = pbuf; - peasycap->video_isoc_buffer[k].pto = - pbuf + peasycap->video_isoc_buffer_size; - peasycap->video_isoc_buffer[k].kount = k; - } - JOM(4, "allocation of isoc video buffers done: %i pages\n", - k * (0x01 << VIDEO_ISOC_ORDER)); - - /* Allocate and initialize multiple struct usb */ - JOM(4, "allocating %i struct urb.\n", VIDEO_ISOC_BUFFER_MANY); - JOM(4, "using %i=peasycap->video_isoc_framesperdesc\n", - peasycap->video_isoc_framesperdesc); - JOM(4, "using %i=peasycap->video_isoc_maxframesize\n", - peasycap->video_isoc_maxframesize); - JOM(4, "using %i=peasycap->video_isoc_buffer_sizen", - peasycap->video_isoc_buffer_size); - - for (k = 0; k < VIDEO_ISOC_BUFFER_MANY; k++) { - purb = usb_alloc_urb(peasycap->video_isoc_framesperdesc, - GFP_KERNEL); - if (!purb) { - SAM("ERROR: usb_alloc_urb returned NULL for buffer " - "%i\n", k); - return -ENOMEM; - } + rc = alloc_framebuffers(peasycap); + if (rc < 0) + return rc; - peasycap->allocation_video_urb += 1; - pdata_urb = kzalloc(sizeof(struct data_urb), GFP_KERNEL); - if (!pdata_urb) { - SAM("ERROR: Could not allocate struct data_urb.\n"); - return -ENOMEM; - } + rc = alloc_fieldbuffers(peasycap); + if (rc < 0) + return rc; - peasycap->allocation_video_struct += - sizeof(struct data_urb); + rc = alloc_isocbuffers(peasycap); + if (rc < 0) + return rc; - pdata_urb->purb = purb; - pdata_urb->isbuf = k; - pdata_urb->length = 0; - list_add_tail(&(pdata_urb->list_head), - peasycap->purb_video_head); - - /* Initialize allocated urbs */ - if (!k) { - JOM(4, "initializing video urbs thus:\n"); - JOM(4, " purb->interval = 1;\n"); - JOM(4, " purb->dev = peasycap->pusb_device;\n"); - JOM(4, " purb->pipe = usb_rcvisocpipe" - "(peasycap->pusb_device,%i);\n", - peasycap->video_endpointnumber); - JOM(4, " purb->transfer_flags = URB_ISO_ASAP;\n"); - JOM(4, " purb->transfer_buffer = peasycap->" - "video_isoc_buffer[.].pgo;\n"); - JOM(4, " purb->transfer_buffer_length = %i;\n", - peasycap->video_isoc_buffer_size); - JOM(4, " purb->complete = easycap_complete;\n"); - JOM(4, " purb->context = peasycap;\n"); - JOM(4, " purb->start_frame = 0;\n"); - JOM(4, " purb->number_of_packets = %i;\n", - peasycap->video_isoc_framesperdesc); - JOM(4, " for (j = 0; j < %i; j++)\n", - peasycap->video_isoc_framesperdesc); - JOM(4, " {\n"); - JOM(4, " purb->iso_frame_desc[j].offset = j*%i;\n", - peasycap->video_isoc_maxframesize); - JOM(4, " purb->iso_frame_desc[j].length = %i;\n", - peasycap->video_isoc_maxframesize); - JOM(4, " }\n"); - } - - purb->interval = 1; - purb->dev = peasycap->pusb_device; - purb->pipe = usb_rcvisocpipe(peasycap->pusb_device, - peasycap->video_endpointnumber); - purb->transfer_flags = URB_ISO_ASAP; - purb->transfer_buffer = peasycap->video_isoc_buffer[k].pgo; - purb->transfer_buffer_length = - peasycap->video_isoc_buffer_size; - purb->complete = easycap_complete; - purb->context = peasycap; - purb->start_frame = 0; - purb->number_of_packets = peasycap->video_isoc_framesperdesc; - for (j = 0; j < peasycap->video_isoc_framesperdesc; j++) { - purb->iso_frame_desc[j].offset = j * - peasycap->video_isoc_maxframesize; - purb->iso_frame_desc[j].length = - peasycap->video_isoc_maxframesize; - } - } - JOM(4, "allocation of %i struct urb done.\n", k); + /* Allocate and initialize video urbs */ + rc = create_video_urbs(peasycap); + if (rc < 0) + return rc; /* Save pointer peasycap in this interface */ usb_set_intfdata(intf, peasycap); @@ -3545,9 +3839,6 @@ static int easycap_usb_probe(struct usb_interface *intf, * because some udev rules triggers easycap_open() * immediately after registration, causing a clash. */ - peasycap->ntsc = easycap_ntsc; - JOM(8, "defaulting initially to %s\n", - easycap_ntsc ? "NTSC" : "PAL"); rc = reset(peasycap); if (rc) { SAM("ERROR: reset() rc = %i\n", rc); @@ -3562,32 +3853,12 @@ static int easycap_usb_probe(struct usb_interface *intf, JOM(4, "registered device instance: %s\n", peasycap->v4l2_device.name); - /* - * FIXME: This is believed to be harmless, - * but may well be unnecessary or wrong. - */ - peasycap->video_device.v4l2_dev = NULL; - - - strcpy(&peasycap->video_device.name[0], "easycapdc60"); - peasycap->video_device.fops = &v4l2_fops; - peasycap->video_device.minor = -1; - peasycap->video_device.release = (void *)(&videodev_release); - - video_set_drvdata(&(peasycap->video_device), (void *)peasycap); - - if (0 != (video_register_device(&(peasycap->video_device), - VFL_TYPE_GRABBER, -1))) { - err("Not able to register with videodev"); - videodev_release(&(peasycap->video_device)); + rc = easycap_register_video(peasycap); + if (rc < 0) { + dev_err(&intf->dev, + "Not able to register with videodev\n"); return -ENODEV; } - - peasycap->registered_video++; - SAM("registered with videodev: %i=minor\n", - peasycap->video_device.minor); - peasycap->minor = peasycap->video_device.minor; - break; } /* 1: Audio control */ @@ -3710,109 +3981,14 @@ static int easycap_usb_probe(struct usb_interface *intf, INIT_LIST_HEAD(&(peasycap->urb_audio_head)); peasycap->purb_audio_head = &(peasycap->urb_audio_head); - JOM(4, "allocating %i isoc audio buffers of size %i\n", - AUDIO_ISOC_BUFFER_MANY, - peasycap->audio_isoc_buffer_size); - JOM(4, ".... each occupying contiguous memory pages\n"); - - for (k = 0; k < AUDIO_ISOC_BUFFER_MANY; k++) { - pbuf = (void *)__get_free_pages(GFP_KERNEL, - AUDIO_ISOC_ORDER); - if (!pbuf) { - SAM("ERROR: Could not allocate isoc audio buffer " - "%i\n", k); - return -ENOMEM; - } - peasycap->allocation_audio_page += - BIT(AUDIO_ISOC_ORDER); - - peasycap->audio_isoc_buffer[k].pgo = pbuf; - peasycap->audio_isoc_buffer[k].pto = pbuf + - peasycap->audio_isoc_buffer_size; - peasycap->audio_isoc_buffer[k].kount = k; - } - JOM(4, "allocation of isoc audio buffers done.\n"); + alloc_audio_buffers(peasycap); + if (rc < 0) + return rc; /* Allocate and initialize urbs */ - JOM(4, "allocating %i struct urb.\n", AUDIO_ISOC_BUFFER_MANY); - JOM(4, "using %i=peasycap->audio_isoc_framesperdesc\n", - peasycap->audio_isoc_framesperdesc); - JOM(4, "using %i=peasycap->audio_isoc_maxframesize\n", - peasycap->audio_isoc_maxframesize); - JOM(4, "using %i=peasycap->audio_isoc_buffer_size\n", - peasycap->audio_isoc_buffer_size); - - for (k = 0; k < AUDIO_ISOC_BUFFER_MANY; k++) { - purb = usb_alloc_urb(peasycap->audio_isoc_framesperdesc, - GFP_KERNEL); - if (!purb) { - SAM("ERROR: usb_alloc_urb returned NULL for buffer " - "%i\n", k); - return -ENOMEM; - } - peasycap->allocation_audio_urb += 1 ; - pdata_urb = kzalloc(sizeof(struct data_urb), GFP_KERNEL); - if (!pdata_urb) { - usb_free_urb(purb); - SAM("ERROR: Could not allocate struct data_urb.\n"); - return -ENOMEM; - } - peasycap->allocation_audio_struct += - sizeof(struct data_urb); - - pdata_urb->purb = purb; - pdata_urb->isbuf = k; - pdata_urb->length = 0; - list_add_tail(&(pdata_urb->list_head), - peasycap->purb_audio_head); - - if (!k) { - JOM(4, "initializing audio urbs thus:\n"); - JOM(4, " purb->interval = 1;\n"); - JOM(4, " purb->dev = peasycap->pusb_device;\n"); - JOM(4, " purb->pipe = usb_rcvisocpipe(peasycap->" - "pusb_device,%i);\n", - peasycap->audio_endpointnumber); - JOM(4, " purb->transfer_flags = URB_ISO_ASAP;\n"); - JOM(4, " purb->transfer_buffer = " - "peasycap->audio_isoc_buffer[.].pgo;\n"); - JOM(4, " purb->transfer_buffer_length = %i;\n", - peasycap->audio_isoc_buffer_size); - JOM(4, " purb->complete = easycap_alsa_complete;\n"); - JOM(4, " purb->context = peasycap;\n"); - JOM(4, " purb->start_frame = 0;\n"); - JOM(4, " purb->number_of_packets = %i;\n", - peasycap->audio_isoc_framesperdesc); - JOM(4, " for (j = 0; j < %i; j++)\n", - peasycap->audio_isoc_framesperdesc); - JOM(4, " {\n"); - JOM(4, " purb->iso_frame_desc[j].offset = j*%i;\n", - peasycap->audio_isoc_maxframesize); - JOM(4, " purb->iso_frame_desc[j].length = %i;\n", - peasycap->audio_isoc_maxframesize); - JOM(4, " }\n"); - } - - purb->interval = 1; - purb->dev = peasycap->pusb_device; - purb->pipe = usb_rcvisocpipe(peasycap->pusb_device, - peasycap->audio_endpointnumber); - purb->transfer_flags = URB_ISO_ASAP; - purb->transfer_buffer = peasycap->audio_isoc_buffer[k].pgo; - purb->transfer_buffer_length = - peasycap->audio_isoc_buffer_size; - purb->complete = easycap_alsa_complete; - purb->context = peasycap; - purb->start_frame = 0; - purb->number_of_packets = peasycap->audio_isoc_framesperdesc; - for (j = 0; j < peasycap->audio_isoc_framesperdesc; j++) { - purb->iso_frame_desc[j].offset = j * - peasycap->audio_isoc_maxframesize; - purb->iso_frame_desc[j].length = - peasycap->audio_isoc_maxframesize; - } - } - JOM(4, "allocation of %i struct urb done.\n", k); + rc = create_audio_urbs(peasycap); + if (rc < 0) + return rc; /* Save pointer peasycap in this interface */ usb_set_intfdata(intf, peasycap); @@ -3822,7 +3998,8 @@ static int easycap_usb_probe(struct usb_interface *intf, rc = easycap_alsa_probe(peasycap); if (rc) { - err("easycap_alsa_probe() rc = %i\n", rc); + dev_err(&intf->dev, "easycap_alsa_probe() rc = %i\n", + rc); return -ENODEV; } @@ -3841,15 +4018,13 @@ static int easycap_usb_probe(struct usb_interface *intf, SAM("ends successfully for interface %i\n", bInterfaceNumber); return 0; } -/*****************************************************************************/ -/*---------------------------------------------------------------------------*/ + /* - * WHEN THIS FUNCTION IS CALLED THE EasyCAP HAS ALREADY BEEN PHYSICALLY - * UNPLUGGED. HENCE peasycap->pusb_device IS NO LONGER VALID. - * - * THIS FUNCTION AFFECTS ALSA. BEWARE. + * When this function is called the device has already been + * physically unplugged. + * Hence, peasycap->pusb_device is no longer valid. + * This function affects alsa. */ -/*---------------------------------------------------------------------------*/ static void easycap_usb_disconnect(struct usb_interface *pusb_interface) { struct usb_host_interface *pusb_host_interface; @@ -3874,6 +4049,7 @@ static void easycap_usb_disconnect(struct usb_interface *pusb_interface) minor = pusb_interface->minor; JOT(4, "intf[%i]: minor=%i\n", bInterfaceNumber, minor); + /* There is nothing to do for Interface Number 1 */ if (1 == bInterfaceNumber) return; @@ -3882,11 +4058,8 @@ static void easycap_usb_disconnect(struct usb_interface *pusb_interface) SAY("ERROR: peasycap is NULL\n"); return; } -/*---------------------------------------------------------------------------*/ -/* - * IF THE WAIT QUEUES ARE NOT CLEARED A DEADLOCK IS POSSIBLE. BEWARE. -*/ -/*---------------------------------------------------------------------------*/ + + /* If the waitqueues are not cleared a deadlock is possible */ peasycap->video_eof = 1; peasycap->audio_eof = 1; wake_up_interruptible(&(peasycap->wq_video)); @@ -3902,15 +4075,14 @@ static void easycap_usb_disconnect(struct usb_interface *pusb_interface) default: break; } -/*--------------------------------------------------------------------------*/ -/* - * DEREGISTER - * - * THIS PROCEDURE WILL BLOCK UNTIL easycap_poll(), VIDEO IOCTL AND AUDIO - * IOCTL ARE ALL UNLOCKED. IF THIS IS NOT DONE AN Oops CAN OCCUR WHEN - * AN EasyCAP IS UNPLUGGED WHILE THE URBS ARE RUNNING. BEWARE. - */ -/*--------------------------------------------------------------------------*/ + + /* + * Deregister + * This procedure will block until easycap_poll(), + * video and audio ioctl are all unlocked. + * If this is not done an oops can occur when an easycap + * is unplugged while the urbs are running. + */ kd = easycap_isdongle(peasycap); switch (bInterfaceNumber) { case 0: { @@ -3927,7 +4099,6 @@ static void easycap_usb_disconnect(struct usb_interface *pusb_interface) } else { SAY("ERROR: %i=kd is bad: cannot lock dongle\n", kd); } -/*---------------------------------------------------------------------------*/ if (!peasycap->v4l2_device.name[0]) { SAM("ERROR: peasycap->v4l2_device.name is empty\n"); if (0 <= kd && DONGLE_MANY > kd) @@ -3943,7 +4114,6 @@ static void easycap_usb_disconnect(struct usb_interface *pusb_interface) JOM(4, "intf[%i]: video_unregister_device() minor=%i\n", bInterfaceNumber, minor); peasycap->registered_video--; -/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ if (0 <= kd && DONGLE_MANY > kd) { mutex_unlock(&easycapdc60_dongle[kd].mutex_video); @@ -3979,12 +4149,12 @@ static void easycap_usb_disconnect(struct usb_interface *pusb_interface) default: break; } -/*---------------------------------------------------------------------------*/ -/* - * CALL easycap_delete() IF NO REMAINING REFERENCES TO peasycap - * (ALSO WHEN ALSA HAS BEEN IN USE) - */ -/*---------------------------------------------------------------------------*/ + + /* + * If no remaining references to peasycap, + * call easycap_delete. + * (Also when alsa has been in use) + */ if (!peasycap->kref.refcount.counter) { SAM("ERROR: peasycap->kref.refcount.counter is zero " "so cannot call kref_put()\n"); @@ -4019,17 +4189,11 @@ static void easycap_usb_disconnect(struct usb_interface *pusb_interface) mutex_unlock(&easycapdc60_dongle[kd].mutex_video); JOT(4, "unlocked dongle[%i].mutex_video\n", kd); } -/*---------------------------------------------------------------------------*/ JOM(4, "ends\n"); return; } -/*****************************************************************************/ -/*---------------------------------------------------------------------------*/ -/* - * PARAMETERS APPLICABLE TO ENTIRE DRIVER, I.E. BOTH VIDEO AND AUDIO - */ -/*---------------------------------------------------------------------------*/ +/* Devices supported by this driver */ static struct usb_device_id easycap_usb_device_id_table[] = { {USB_DEVICE(USB_EASYCAP_VENDOR_ID, USB_EASYCAP_PRODUCT_ID)}, { } @@ -4064,14 +4228,11 @@ static int __init easycap_module_init(void) return rc; } -/*****************************************************************************/ + static void __exit easycap_module_exit(void) { usb_deregister(&easycap_usb_driver); } -/*****************************************************************************/ module_init(easycap_module_init); module_exit(easycap_module_exit); - -/*****************************************************************************/ diff --git a/drivers/staging/media/go7007/README b/drivers/staging/media/go7007/README index 48f447637817..aeba1324a9c5 100644 --- a/drivers/staging/media/go7007/README +++ b/drivers/staging/media/go7007/README @@ -6,6 +6,6 @@ Todo: - testing? - handle churn in v4l layer. -Please send patchs to Greg Kroah-Hartman <greg@kroah.com> and Cc: Ross +Please send patches to Greg Kroah-Hartman <greg@linuxfoundation.org> and Cc: Ross Cohen <rcohen@snurgle.org> as well. diff --git a/drivers/staging/media/go7007/go7007-v4l2.c b/drivers/staging/media/go7007/go7007-v4l2.c index 3ef4cd8b4de3..c184ad30fbd8 100644 --- a/drivers/staging/media/go7007/go7007-v4l2.c +++ b/drivers/staging/media/go7007/go7007-v4l2.c @@ -76,7 +76,6 @@ static void abort_queued(struct go7007 *go) static int go7007_streamoff(struct go7007 *go) { - int retval = -EINVAL; unsigned long flags; mutex_lock(&go->hw_lock); @@ -87,7 +86,6 @@ static int go7007_streamoff(struct go7007 *go) abort_queued(go); spin_unlock_irqrestore(&go->spinlock, flags); go7007_reset_encoder(go); - retval = 0; } mutex_unlock(&go->hw_lock); return 0; diff --git a/drivers/staging/media/go7007/go7007.txt b/drivers/staging/media/go7007/go7007.txt index 9db1f3952fd2..fcb3e235abbf 100644 --- a/drivers/staging/media/go7007/go7007.txt +++ b/drivers/staging/media/go7007/go7007.txt @@ -87,7 +87,6 @@ kernel as built-in or modules: CONFIG_SOUND - Sound card support CONFIG_SND - Advanced Linux Sound Architecture CONFIG_USB - Support for Host-side USB - CONFIG_USB_DEVICEFS - USB device filesystem CONFIG_USB_EHCI_HCD - EHCI HCD (USB 2.0) support Additionally, to use the example application, the following options need to diff --git a/drivers/staging/media/go7007/s2250-loader.c b/drivers/staging/media/go7007/s2250-loader.c index 4e132519e253..f1bd159ac195 100644 --- a/drivers/staging/media/go7007/s2250-loader.c +++ b/drivers/staging/media/go7007/s2250-loader.c @@ -160,32 +160,10 @@ static struct usb_driver s2250loader_driver = { .id_table = s2250loader_ids, }; -static int __init s2250loader_init(void) -{ - int r; - unsigned i = 0; - - for (i = 0; i < MAX_DEVICES; i++) - s2250_dev_table[i] = NULL; - - r = usb_register(&s2250loader_driver); - if (r) { - printk(KERN_ERR "usb_register failed. Error number %d\n", r); - return -1; - } - - printk(KERN_INFO "s2250loader_init: driver registered\n"); - return 0; -} -module_init(s2250loader_init); - -static void __exit s2250loader_cleanup(void) -{ - printk(KERN_INFO "s2250loader_cleanup\n"); - usb_deregister(&s2250loader_driver); -} -module_exit(s2250loader_cleanup); +module_usb_driver(s2250loader_driver); MODULE_AUTHOR(""); MODULE_DESCRIPTION("firmware loader for Sensoray 2250/2251"); MODULE_LICENSE("GPL v2"); +MODULE_FIRMWARE(S2250_LOADER_FIRMWARE); +MODULE_FIRMWARE(S2250_FIRMWARE); diff --git a/drivers/staging/media/lirc/lirc_imon.c b/drivers/staging/media/lirc/lirc_imon.c index 5f7f8cd3a661..2944fde89f44 100644 --- a/drivers/staging/media/lirc/lirc_imon.c +++ b/drivers/staging/media/lirc/lirc_imon.c @@ -70,10 +70,6 @@ static ssize_t vfd_write(struct file *file, const char __user *buf, static int ir_open(void *data); static void ir_close(void *data); -/* Driver init/exit prototypes */ -static int __init imon_init(void); -static void __exit imon_exit(void); - /*** G L O B A L S ***/ #define IMON_DATA_BUF_SZ 35 @@ -209,8 +205,9 @@ static void deregister_from_lirc(struct imon_context *context) retval = lirc_unregister_driver(minor); if (retval) - err("%s: unable to deregister from lirc(%d)", - __func__, retval); + printk(KERN_ERR KBUILD_MODNAME + ": %s: unable to deregister from lirc(%d)", + __func__, retval); else printk(KERN_INFO MOD_NAME ": Deregistered iMON driver " "(minor:%d)\n", minor); @@ -234,16 +231,18 @@ static int display_open(struct inode *inode, struct file *file) subminor = iminor(inode); interface = usb_find_interface(&imon_driver, subminor); if (!interface) { - err("%s: could not find interface for minor %d", - __func__, subminor); + printk(KERN_ERR KBUILD_MODNAME + ": %s: could not find interface for minor %d\n", + __func__, subminor); retval = -ENODEV; goto exit; } context = usb_get_intfdata(interface); if (!context) { - err("%s: no context found for minor %d", - __func__, subminor); + dev_err(&interface->dev, + "%s: no context found for minor %d\n", + __func__, subminor); retval = -ENODEV; goto exit; } @@ -251,10 +250,12 @@ static int display_open(struct inode *inode, struct file *file) mutex_lock(&context->ctx_lock); if (!context->display) { - err("%s: display not supported by device", __func__); + dev_err(&interface->dev, + "%s: display not supported by device\n", __func__); retval = -ENODEV; } else if (context->display_isopen) { - err("%s: display port is already open", __func__); + dev_err(&interface->dev, + "%s: display port is already open\n", __func__); retval = -EBUSY; } else { context->display_isopen = 1; @@ -281,17 +282,20 @@ static int display_close(struct inode *inode, struct file *file) context = file->private_data; if (!context) { - err("%s: no context for device", __func__); + printk(KERN_ERR KBUILD_MODNAME + "%s: no context for device\n", __func__); return -ENODEV; } mutex_lock(&context->ctx_lock); if (!context->display) { - err("%s: display not supported by device", __func__); + dev_err(&context->usbdev->dev, + "%s: display not supported by device\n", __func__); retval = -ENODEV; } else if (!context->display_isopen) { - err("%s: display is not open", __func__); + dev_err(&context->usbdev->dev, + "%s: display is not open\n", __func__); retval = -EIO; } else { context->display_isopen = 0; @@ -340,19 +344,23 @@ static int send_packet(struct imon_context *context) retval = usb_submit_urb(context->tx_urb, GFP_KERNEL); if (retval) { atomic_set(&(context->tx.busy), 0); - err("%s: error submitting urb(%d)", __func__, retval); + dev_err(&context->usbdev->dev, + "%s: error submitting urb(%d)\n", __func__, retval); } else { /* Wait for transmission to complete (or abort) */ mutex_unlock(&context->ctx_lock); retval = wait_for_completion_interruptible( &context->tx.finished); if (retval) - err("%s: task interrupted", __func__); + dev_err(&context->usbdev->dev, + "%s: task interrupted\n", __func__); mutex_lock(&context->ctx_lock); retval = context->tx.status; if (retval) - err("%s: packet tx failed (%d)", __func__, retval); + dev_err(&context->usbdev->dev, + "%s: packet tx failed (%d)\n", + __func__, retval); } return retval; @@ -383,20 +391,23 @@ static ssize_t vfd_write(struct file *file, const char __user *buf, context = file->private_data; if (!context) { - err("%s: no context for device", __func__); + printk(KERN_ERR KBUILD_MODNAME + "%s: no context for device\n", __func__); return -ENODEV; } mutex_lock(&context->ctx_lock); if (!context->dev_present) { - err("%s: no iMON device present", __func__); + dev_err(&context->usbdev->dev, + "%s: no iMON device present\n", __func__); retval = -ENODEV; goto exit; } if (n_bytes <= 0 || n_bytes > IMON_DATA_BUF_SZ - 3) { - err("%s: invalid payload size", __func__); + dev_err(&context->usbdev->dev, + "%s: invalid payload size\n", __func__); retval = -EINVAL; goto exit; } @@ -425,8 +436,9 @@ static ssize_t vfd_write(struct file *file, const char __user *buf, retval = send_packet(context); if (retval) { - err("%s: send packet failed for packet #%d", - __func__, seq/2); + dev_err(&context->usbdev->dev, + "%s: send packet failed for packet #%d\n", + __func__, seq/2); goto exit; } else { seq += 2; @@ -441,7 +453,8 @@ static ssize_t vfd_write(struct file *file, const char __user *buf, context->usb_tx_buf[7] = (unsigned char) seq; retval = send_packet(context); if (retval) - err("%s: send packet failed for packet #%d", + dev_err(&context->usbdev->dev, + "%s: send packet failed for packet #%d\n", __func__, seq/2); } @@ -508,7 +521,8 @@ static void ir_close(void *data) context = (struct imon_context *)data; if (!context) { - err("%s: no context for device", __func__); + printk(KERN_ERR KBUILD_MODNAME + "%s: no context for device\n", __func__); return; } @@ -732,7 +746,7 @@ static int imon_probe(struct usb_interface *interface, context = kzalloc(sizeof(struct imon_context), GFP_KERNEL); if (!context) { - err("%s: kzalloc failed for context", __func__); + dev_err(dev, "%s: kzalloc failed for context\n", __func__); alloc_status = 1; goto alloc_status_switch; } @@ -797,7 +811,7 @@ static int imon_probe(struct usb_interface *interface, /* Input endpoint is mandatory */ if (!ir_ep_found) { - err("%s: no valid input (IR) endpoint found.", __func__); + dev_err(dev, "%s: no valid input (IR) endpoint found.\n", __func__); retval = -ENODEV; alloc_status = 2; goto alloc_status_switch; @@ -814,30 +828,30 @@ static int imon_probe(struct usb_interface *interface, driver = kzalloc(sizeof(struct lirc_driver), GFP_KERNEL); if (!driver) { - err("%s: kzalloc failed for lirc_driver", __func__); + dev_err(dev, "%s: kzalloc failed for lirc_driver\n", __func__); alloc_status = 2; goto alloc_status_switch; } rbuf = kmalloc(sizeof(struct lirc_buffer), GFP_KERNEL); if (!rbuf) { - err("%s: kmalloc failed for lirc_buffer", __func__); + dev_err(dev, "%s: kmalloc failed for lirc_buffer\n", __func__); alloc_status = 3; goto alloc_status_switch; } if (lirc_buffer_init(rbuf, BUF_CHUNK_SIZE, BUF_SIZE)) { - err("%s: lirc_buffer_init failed", __func__); + dev_err(dev, "%s: lirc_buffer_init failed\n", __func__); alloc_status = 4; goto alloc_status_switch; } rx_urb = usb_alloc_urb(0, GFP_KERNEL); if (!rx_urb) { - err("%s: usb_alloc_urb failed for IR urb", __func__); + dev_err(dev, "%s: usb_alloc_urb failed for IR urb\n", __func__); alloc_status = 5; goto alloc_status_switch; } tx_urb = usb_alloc_urb(0, GFP_KERNEL); if (!tx_urb) { - err("%s: usb_alloc_urb failed for display urb", + dev_err(dev, "%s: usb_alloc_urb failed for display urb\n", __func__); alloc_status = 6; goto alloc_status_switch; @@ -865,7 +879,7 @@ static int imon_probe(struct usb_interface *interface, lirc_minor = lirc_register_driver(driver); if (lirc_minor < 0) { - err("%s: lirc_register_driver failed", __func__); + dev_err(dev, "%s: lirc_register_driver failed\n", __func__); alloc_status = 7; goto unlock; } else @@ -900,8 +914,8 @@ static int imon_probe(struct usb_interface *interface, retval = usb_submit_urb(context->rx_urb, GFP_KERNEL); if (retval) { - err("%s: usb_submit_urb failed for intf0 (%d)", - __func__, retval); + dev_err(dev, "%s: usb_submit_urb failed for intf0 (%d)\n", + __func__, retval); mutex_unlock(&context->ctx_lock); goto exit; } diff --git a/drivers/staging/media/lirc/lirc_sasem.c b/drivers/staging/media/lirc/lirc_sasem.c index 74421043b954..f4e4d9003f38 100644 --- a/drivers/staging/media/lirc/lirc_sasem.c +++ b/drivers/staging/media/lirc/lirc_sasem.c @@ -80,10 +80,6 @@ static ssize_t vfd_write(struct file *file, const char *buf, static int ir_open(void *data); static void ir_close(void *data); -/* Driver init/exit prototypes */ -static int __init sasem_init(void); -static void __exit sasem_exit(void); - /*** G L O B A L S ***/ #define SASEM_DATA_BUF_SZ 32 @@ -185,7 +181,7 @@ static void deregister_from_lirc(struct sasem_context *context) retval = lirc_unregister_driver(minor); if (retval) - err("%s: unable to deregister from lirc (%d)", + printk(KERN_ERR "%s: unable to deregister from lirc (%d)\n", __func__, retval); else printk(KERN_INFO "Deregistered Sasem driver (minor:%d)\n", @@ -210,16 +206,18 @@ static int vfd_open(struct inode *inode, struct file *file) subminor = iminor(inode); interface = usb_find_interface(&sasem_driver, subminor); if (!interface) { - err("%s: could not find interface for minor %d", - __func__, subminor); + printk(KERN_ERR KBUILD_MODNAME + ": %s: could not find interface for minor %d\n", + __func__, subminor); retval = -ENODEV; goto exit; } context = usb_get_intfdata(interface); if (!context) { - err("%s: no context found for minor %d", - __func__, subminor); + dev_err(&interface->dev, + "%s: no context found for minor %d\n", + __func__, subminor); retval = -ENODEV; goto exit; } @@ -227,12 +225,13 @@ static int vfd_open(struct inode *inode, struct file *file) mutex_lock(&context->ctx_lock); if (context->vfd_isopen) { - err("%s: VFD port is already open", __func__); + dev_err(&interface->dev, + "%s: VFD port is already open", __func__); retval = -EBUSY; } else { context->vfd_isopen = 1; file->private_data = context; - printk(KERN_INFO "VFD port opened\n"); + dev_info(&interface->dev, "VFD port opened\n"); } mutex_unlock(&context->ctx_lock); @@ -253,7 +252,8 @@ static long vfd_ioctl(struct file *file, unsigned cmd, unsigned long arg) context = (struct sasem_context *) file->private_data; if (!context) { - err("%s: no context for device", __func__); + printk(KERN_ERR KBUILD_MODNAME + ": %s: no context for device\n", __func__); return -ENODEV; } @@ -287,14 +287,15 @@ static int vfd_close(struct inode *inode, struct file *file) context = (struct sasem_context *) file->private_data; if (!context) { - err("%s: no context for device", __func__); + printk(KERN_ERR KBUILD_MODNAME + ": %s: no context for device\n", __func__); return -ENODEV; } mutex_lock(&context->ctx_lock); if (!context->vfd_isopen) { - err("%s: VFD is not open", __func__); + dev_err(&context->dev->dev, "%s: VFD is not open\n", __func__); retval = -EIO; } else { context->vfd_isopen = 0; @@ -339,7 +340,8 @@ static int send_packet(struct sasem_context *context) retval = usb_submit_urb(context->tx_urb, GFP_KERNEL); if (retval) { atomic_set(&(context->tx.busy), 0); - err("%s: error submitting urb (%d)", __func__, retval); + dev_err(&context->dev->dev, "%s: error submitting urb (%d)\n", + __func__, retval); } else { /* Wait for transmission to complete (or abort) */ mutex_unlock(&context->ctx_lock); @@ -348,7 +350,9 @@ static int send_packet(struct sasem_context *context) retval = context->tx.status; if (retval) - err("%s: packet tx failed (%d)", __func__, retval); + dev_err(&context->dev->dev, + "%s: packet tx failed (%d)\n", + __func__, retval); } return retval; @@ -369,20 +373,23 @@ static ssize_t vfd_write(struct file *file, const char *buf, context = (struct sasem_context *) file->private_data; if (!context) { - err("%s: no context for device", __func__); + printk(KERN_ERR KBUILD_MODNAME + ": %s: no context for device\n", __func__); return -ENODEV; } mutex_lock(&context->ctx_lock); if (!context->dev_present) { - err("%s: no Sasem device present", __func__); + printk(KERN_ERR KBUILD_MODNAME + ": %s: no Sasem device present\n", __func__); retval = -ENODEV; goto exit; } if (n_bytes <= 0 || n_bytes > SASEM_DATA_BUF_SZ) { - err("%s: invalid payload size", __func__); + dev_err(&context->dev->dev, "%s: invalid payload size\n", + __func__); retval = -EINVAL; goto exit; } @@ -440,9 +447,9 @@ static ssize_t vfd_write(struct file *file, const char *buf, } retval = send_packet(context); if (retval) { - - err("%s: send packet failed for packet #%d", - __func__, i); + dev_err(&context->dev->dev, + "%s: send packet failed for packet #%d\n", + __func__, i); goto exit; } } @@ -492,7 +499,8 @@ static int ir_open(void *data) mutex_lock(&context->ctx_lock); if (context->ir_isopen) { - err("%s: IR port is already open", __func__); + dev_err(&context->dev->dev, "%s: IR port is already open\n", + __func__); retval = -EBUSY; goto exit; } @@ -506,8 +514,9 @@ static int ir_open(void *data) retval = usb_submit_urb(context->rx_urb, GFP_KERNEL); if (retval) - err("%s: usb_submit_urb failed for ir_open (%d)", - __func__, retval); + dev_err(&context->dev->dev, + "%s: usb_submit_urb failed for ir_open (%d)\n", + __func__, retval); else { context->ir_isopen = 1; printk(KERN_INFO "IR port opened\n"); @@ -529,7 +538,8 @@ static void ir_close(void *data) context = (struct sasem_context *)data; if (!context) { - err("%s: no context for device", __func__); + printk(KERN_ERR KBUILD_MODNAME + ": %s: no context for device\n", __func__); return; } @@ -687,7 +697,7 @@ static int sasem_probe(struct usb_interface *interface, struct sasem_context *context = NULL; int i; - printk(KERN_INFO "%s: found Sasem device\n", __func__); + dev_info(&interface->dev, "%s: found Sasem device\n", __func__); dev = usb_get_dev(interface_to_usbdev(interface)); @@ -719,8 +729,8 @@ static int sasem_probe(struct usb_interface *interface, rx_endpoint = ep; ir_ep_found = 1; if (debug) - printk(KERN_INFO "%s: found IR endpoint\n", - __func__); + dev_info(&interface->dev, + "%s: found IR endpoint\n", __func__); } else if (!vfd_ep_found && ep_dir == USB_DIR_OUT && @@ -729,22 +739,23 @@ static int sasem_probe(struct usb_interface *interface, tx_endpoint = ep; vfd_ep_found = 1; if (debug) - printk(KERN_INFO "%s: found VFD endpoint\n", - __func__); + dev_info(&interface->dev, + "%s: found VFD endpoint\n", __func__); } } /* Input endpoint is mandatory */ if (!ir_ep_found) { - - err("%s: no valid input (IR) endpoint found.", __func__); + dev_err(&interface->dev, + "%s: no valid input (IR) endpoint found.\n", __func__); retval = -ENODEV; goto exit; } if (!vfd_ep_found) - printk(KERN_INFO "%s: no valid output (VFD) endpoint found.\n", - __func__); + dev_info(&interface->dev, + "%s: no valid output (VFD) endpoint found.\n", + __func__); /* Allocate memory */ @@ -752,38 +763,44 @@ static int sasem_probe(struct usb_interface *interface, context = kzalloc(sizeof(struct sasem_context), GFP_KERNEL); if (!context) { - err("%s: kzalloc failed for context", __func__); + dev_err(&interface->dev, + "%s: kzalloc failed for context\n", __func__); alloc_status = 1; goto alloc_status_switch; } driver = kzalloc(sizeof(struct lirc_driver), GFP_KERNEL); if (!driver) { - err("%s: kzalloc failed for lirc_driver", __func__); + dev_err(&interface->dev, + "%s: kzalloc failed for lirc_driver\n", __func__); alloc_status = 2; goto alloc_status_switch; } rbuf = kmalloc(sizeof(struct lirc_buffer), GFP_KERNEL); if (!rbuf) { - err("%s: kmalloc failed for lirc_buffer", __func__); + dev_err(&interface->dev, + "%s: kmalloc failed for lirc_buffer\n", __func__); alloc_status = 3; goto alloc_status_switch; } if (lirc_buffer_init(rbuf, BUF_CHUNK_SIZE, BUF_SIZE)) { - err("%s: lirc_buffer_init failed", __func__); + dev_err(&interface->dev, + "%s: lirc_buffer_init failed\n", __func__); alloc_status = 4; goto alloc_status_switch; } rx_urb = usb_alloc_urb(0, GFP_KERNEL); if (!rx_urb) { - err("%s: usb_alloc_urb failed for IR urb", __func__); + dev_err(&interface->dev, + "%s: usb_alloc_urb failed for IR urb\n", __func__); alloc_status = 5; goto alloc_status_switch; } if (vfd_ep_found) { tx_urb = usb_alloc_urb(0, GFP_KERNEL); if (!tx_urb) { - err("%s: usb_alloc_urb failed for VFD urb", - __func__); + dev_err(&interface->dev, + "%s: usb_alloc_urb failed for VFD urb", + __func__); alloc_status = 6; goto alloc_status_switch; } @@ -807,7 +824,8 @@ static int sasem_probe(struct usb_interface *interface, lirc_minor = lirc_register_driver(driver); if (lirc_minor < 0) { - err("%s: lirc_register_driver failed", __func__); + dev_err(&interface->dev, + "%s: lirc_register_driver failed\n", __func__); alloc_status = 7; retval = lirc_minor; goto unlock; diff --git a/drivers/staging/media/lirc/lirc_serial.c b/drivers/staging/media/lirc/lirc_serial.c index 3295ea63f3eb..97ef67036e3f 100644 --- a/drivers/staging/media/lirc/lirc_serial.c +++ b/drivers/staging/media/lirc/lirc_serial.c @@ -129,6 +129,7 @@ static void send_space_homebrew(long length); static struct lirc_serial hardware[] = { [LIRC_HOMEBREW] = { + .lock = __SPIN_LOCK_UNLOCKED(hardware[LIRC_HOMEBREW].lock), .signal_pin = UART_MSR_DCD, .signal_pin_change = UART_MSR_DDCD, .on = (UART_MCR_RTS | UART_MCR_OUT2 | UART_MCR_DTR), @@ -145,6 +146,7 @@ static struct lirc_serial hardware[] = { }, [LIRC_IRDEO] = { + .lock = __SPIN_LOCK_UNLOCKED(hardware[LIRC_IRDEO].lock), .signal_pin = UART_MSR_DSR, .signal_pin_change = UART_MSR_DDSR, .on = UART_MCR_OUT2, @@ -156,6 +158,7 @@ static struct lirc_serial hardware[] = { }, [LIRC_IRDEO_REMOTE] = { + .lock = __SPIN_LOCK_UNLOCKED(hardware[LIRC_IRDEO_REMOTE].lock), .signal_pin = UART_MSR_DSR, .signal_pin_change = UART_MSR_DDSR, .on = (UART_MCR_RTS | UART_MCR_DTR | UART_MCR_OUT2), @@ -167,6 +170,7 @@ static struct lirc_serial hardware[] = { }, [LIRC_ANIMAX] = { + .lock = __SPIN_LOCK_UNLOCKED(hardware[LIRC_ANIMAX].lock), .signal_pin = UART_MSR_DCD, .signal_pin_change = UART_MSR_DDCD, .on = 0, @@ -177,6 +181,7 @@ static struct lirc_serial hardware[] = { }, [LIRC_IGOR] = { + .lock = __SPIN_LOCK_UNLOCKED(hardware[LIRC_IGOR].lock), .signal_pin = UART_MSR_DSR, .signal_pin_change = UART_MSR_DDSR, .on = (UART_MCR_RTS | UART_MCR_OUT2 | UART_MCR_DTR), @@ -201,6 +206,7 @@ static struct lirc_serial hardware[] = { * See also http://www.nslu2-linux.org for this device */ [LIRC_NSLU2] = { + .lock = __SPIN_LOCK_UNLOCKED(hardware[LIRC_NSLU2].lock), .signal_pin = UART_MSR_CTS, .signal_pin_change = UART_MSR_DCTS, .on = (UART_MCR_RTS | UART_MCR_OUT2 | UART_MCR_DTR), diff --git a/drivers/staging/media/lirc/lirc_ttusbir.c b/drivers/staging/media/lirc/lirc_ttusbir.c index 7950887ff113..3bb865c02173 100644 --- a/drivers/staging/media/lirc/lirc_ttusbir.c +++ b/drivers/staging/media/lirc/lirc_ttusbir.c @@ -113,8 +113,9 @@ static int set_use_inc(void *data) for (i = 0; i < num_urbs; i++) { retval = usb_submit_urb(ttusbir->urb[i], GFP_KERNEL); if (retval) { - err("%s: usb_submit_urb failed on urb %d", - __func__, i); + dev_err(&ttusbir->interf->dev, + "%s: usb_submit_urb failed on urb %d\n", + __func__, i); return retval; } } @@ -278,7 +279,7 @@ static int probe(struct usb_interface *intf, const struct usb_device_id *id) if (ttusbir->alt_setting != -1) DPRINTK("alt setting: %d\n", ttusbir->alt_setting); else { - err("Could not find alternate setting\n"); + dev_err(&intf->dev, "Could not find alternate setting\n"); kfree(ttusbir); return -EINVAL; } @@ -291,7 +292,7 @@ static int probe(struct usb_interface *intf, const struct usb_device_id *id) /* Register as a LIRC driver */ if (lirc_buffer_init(&ttusbir->rbuf, sizeof(int), 256) < 0) { - err("Could not get memory for LIRC data buffer\n"); + dev_err(&intf->dev, "Could not get memory for LIRC data buffer\n"); usb_set_intfdata(intf, NULL); kfree(ttusbir); return -ENOMEM; @@ -310,7 +311,7 @@ static int probe(struct usb_interface *intf, const struct usb_device_id *id) ttusbir->driver.features = LIRC_CAN_REC_MODE2; ttusbir->minor = lirc_register_driver(&ttusbir->driver); if (ttusbir->minor < 0) { - err("Error registering as LIRC driver\n"); + dev_err(&intf->dev, "Error registering as LIRC driver\n"); usb_set_intfdata(intf, NULL); lirc_buffer_free(&ttusbir->rbuf); kfree(ttusbir); @@ -321,7 +322,7 @@ static int probe(struct usb_interface *intf, const struct usb_device_id *id) for (i = 0; i < num_urbs; i++) { ttusbir->urb[i] = usb_alloc_urb(8, GFP_KERNEL); if (!ttusbir->urb[i]) { - err("Could not allocate memory for the URB\n"); + dev_err(&intf->dev, "Could not allocate memory for the URB\n"); for (j = i - 1; j >= 0; j--) kfree(ttusbir->urb[j]); lirc_buffer_free(&ttusbir->rbuf); |