static int easycap_usb_probe(struct usb_interface *pusb_interface,
const struct usb_device_id *pusb_device_id)
{
-struct usb_device *pusb_device, *pusb_device1;
-struct usb_host_interface *pusb_host_interface;
-struct usb_endpoint_descriptor *pepd;
-struct usb_interface_descriptor *pusb_interface_descriptor;
-struct usb_interface_assoc_descriptor *pusb_interface_assoc_descriptor;
-struct urb *purb;
-struct easycap *peasycap;
-int ndong;
-struct data_urb *pdata_urb;
-size_t wMaxPacketSize;
-int ISOCwMaxPacketSize;
-int BULKwMaxPacketSize;
-int INTwMaxPacketSize;
-int CTRLwMaxPacketSize;
-u8 bEndpointAddress;
-u8 ISOCbEndpointAddress;
-u8 INTbEndpointAddress;
-int isin, i, j, k, m, 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;
+ struct usb_device *pusb_device, *pusb_device1;
+ struct usb_host_interface *pusb_host_interface;
+ struct usb_endpoint_descriptor *pepd;
+ struct usb_interface_descriptor *pusb_interface_descriptor;
+ struct usb_interface_assoc_descriptor *pusb_interface_assoc_descriptor;
+ struct urb *purb;
+ struct easycap *peasycap;
+ int ndong;
+ struct data_urb *pdata_urb;
+ size_t wMaxPacketSize;
+ int ISOCwMaxPacketSize;
+ int BULKwMaxPacketSize;
+ int INTwMaxPacketSize;
+ int CTRLwMaxPacketSize;
+ u8 bEndpointAddress;
+ u8 ISOCbEndpointAddress;
+ u8 INTbEndpointAddress;
+ int isin, i, j, k, m, 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;
/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
#ifdef EASYCAP_IS_VIDEODEV_CLIENT
#ifdef EASYCAP_NEEDS_V4L2_DEVICE_H
-struct v4l2_device *pv4l2_device;
+ struct v4l2_device *pv4l2_device;
#endif /*EASYCAP_NEEDS_V4L2_DEVICE_H*/
#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
/* setup modules params */
-if (NULL == pusb_interface) {
- SAY("ERROR: pusb_interface is NULL\n");
- return -EFAULT;
-}
+ if (NULL == pusb_interface) {
+ SAY("ERROR: pusb_interface is NULL\n");
+ return -EFAULT;
+ }
/*---------------------------------------------------------------------------*/
/*
* GET POINTER TO STRUCTURE usb_device
*/
/*---------------------------------------------------------------------------*/
-pusb_device1 = container_of(pusb_interface->dev.parent,
- struct usb_device, dev);
-if (NULL == pusb_device1) {
- SAY("ERROR: pusb_device1 is NULL\n");
- return -EFAULT;
-}
-pusb_device = usb_get_dev(pusb_device1);
-if (NULL == pusb_device) {
- SAY("ERROR: pusb_device is NULL\n");
- return -EFAULT;
-}
-if ((unsigned long int)pusb_device1 != (unsigned long int)pusb_device) {
- JOT(4, "ERROR: pusb_device1 != pusb_device\n");
- return -EFAULT;
-}
-JOT(4, "bNumConfigurations=%i\n", pusb_device->descriptor.bNumConfigurations);
+ pusb_device1 = container_of(pusb_interface->dev.parent,
+ struct usb_device, dev);
+ if (NULL == pusb_device1) {
+ SAY("ERROR: pusb_device1 is NULL\n");
+ return -EFAULT;
+ }
+ pusb_device = usb_get_dev(pusb_device1);
+ if (NULL == pusb_device) {
+ SAY("ERROR: pusb_device is NULL\n");
+ return -EFAULT;
+ }
+ if ((unsigned long int)pusb_device1 != (unsigned long int)pusb_device) {
+ JOT(4, "ERROR: pusb_device1 != pusb_device\n");
+ return -EFAULT;
+ }
+ JOT(4, "bNumConfigurations=%i\n", pusb_device->descriptor.bNumConfigurations);
/*---------------------------------------------------------------------------*/
-pusb_host_interface = pusb_interface->cur_altsetting;
-if (NULL == pusb_host_interface) {
- SAY("ERROR: pusb_host_interface is NULL\n");
- return -EFAULT;
-}
-pusb_interface_descriptor = &(pusb_host_interface->desc);
-if (NULL == pusb_interface_descriptor) {
- SAY("ERROR: pusb_interface_descriptor is NULL\n");
- return -EFAULT;
-}
+ pusb_host_interface = pusb_interface->cur_altsetting;
+ if (NULL == pusb_host_interface) {
+ SAY("ERROR: pusb_host_interface is NULL\n");
+ return -EFAULT;
+ }
+ pusb_interface_descriptor = &(pusb_host_interface->desc);
+ if (NULL == pusb_interface_descriptor) {
+ SAY("ERROR: pusb_interface_descriptor is NULL\n");
+ return -EFAULT;
+ }
/*---------------------------------------------------------------------------*/
/*
* GET PROPERTIES OF PROBED INTERFACE
*/
/*---------------------------------------------------------------------------*/
-bInterfaceNumber = pusb_interface_descriptor->bInterfaceNumber;
-bInterfaceClass = pusb_interface_descriptor->bInterfaceClass;
-bInterfaceSubClass = pusb_interface_descriptor->bInterfaceSubClass;
-
-JOT(4, "intf[%i]: pusb_interface->num_altsetting=%i\n",
- bInterfaceNumber, pusb_interface->num_altsetting);
-JOT(4, "intf[%i]: pusb_interface->cur_altsetting - "
- "pusb_interface->altsetting=%li\n", bInterfaceNumber,
- (long int)(pusb_interface->cur_altsetting -
- pusb_interface->altsetting));
-switch (bInterfaceClass) {
-case USB_CLASS_AUDIO: {
- JOT(4, "intf[%i]: bInterfaceClass=0x%02X=USB_CLASS_AUDIO\n",
- bInterfaceNumber, bInterfaceClass); break;
+ bInterfaceNumber = pusb_interface_descriptor->bInterfaceNumber;
+ bInterfaceClass = pusb_interface_descriptor->bInterfaceClass;
+ bInterfaceSubClass = pusb_interface_descriptor->bInterfaceSubClass;
+
+ JOT(4, "intf[%i]: pusb_interface->num_altsetting=%i\n",
+ bInterfaceNumber, pusb_interface->num_altsetting);
+ JOT(4, "intf[%i]: pusb_interface->cur_altsetting - "
+ "pusb_interface->altsetting=%li\n", bInterfaceNumber,
+ (long int)(pusb_interface->cur_altsetting -
+ pusb_interface->altsetting));
+ switch (bInterfaceClass) {
+ case USB_CLASS_AUDIO: {
+ JOT(4, "intf[%i]: bInterfaceClass=0x%02X=USB_CLASS_AUDIO\n",
+ bInterfaceNumber, bInterfaceClass); break;
+ }
+ case USB_CLASS_VIDEO: {
+ JOT(4, "intf[%i]: bInterfaceClass=0x%02X=USB_CLASS_VIDEO\n",
+ bInterfaceNumber, bInterfaceClass); break;
+ }
+ case USB_CLASS_VENDOR_SPEC: {
+ JOT(4, "intf[%i]: bInterfaceClass=0x%02X=USB_CLASS_VENDOR_SPEC\n",
+ bInterfaceNumber, bInterfaceClass); break;
+ }
+ default:
+ break;
}
-case USB_CLASS_VIDEO: {
- JOT(4, "intf[%i]: bInterfaceClass=0x%02X=USB_CLASS_VIDEO\n",
- bInterfaceNumber, bInterfaceClass); break;
+ switch (bInterfaceSubClass) {
+ case 0x01: {
+ JOT(4, "intf[%i]: bInterfaceSubClass=0x%02X=AUDIOCONTROL\n",
+ bInterfaceNumber, bInterfaceSubClass); break;
}
-case USB_CLASS_VENDOR_SPEC: {
- JOT(4, "intf[%i]: bInterfaceClass=0x%02X=USB_CLASS_VENDOR_SPEC\n",
- bInterfaceNumber, bInterfaceClass); break;
+ case 0x02: {
+ JOT(4, "intf[%i]: bInterfaceSubClass=0x%02X=AUDIOSTREAMING\n",
+ bInterfaceNumber, bInterfaceSubClass); break;
+ }
+ case 0x03: {
+ JOT(4, "intf[%i]: bInterfaceSubClass=0x%02X=MIDISTREAMING\n",
+ bInterfaceNumber, bInterfaceSubClass); break;
+ }
+ default:
+ break;
}
-default:
- break;
-}
-switch (bInterfaceSubClass) {
-case 0x01: {
- JOT(4, "intf[%i]: bInterfaceSubClass=0x%02X=AUDIOCONTROL\n",
- bInterfaceNumber, bInterfaceSubClass); break;
-}
-case 0x02: {
- JOT(4, "intf[%i]: bInterfaceSubClass=0x%02X=AUDIOSTREAMING\n",
- bInterfaceNumber, bInterfaceSubClass); break;
-}
-case 0x03: {
- JOT(4, "intf[%i]: bInterfaceSubClass=0x%02X=MIDISTREAMING\n",
- bInterfaceNumber, bInterfaceSubClass); break;
-}
-default:
- break;
-}
/*---------------------------------------------------------------------------*/
-pusb_interface_assoc_descriptor = pusb_interface->intf_assoc;
-if (NULL != pusb_interface_assoc_descriptor) {
- JOT(4, "intf[%i]: bFirstInterface=0x%02X bInterfaceCount=0x%02X\n",
- bInterfaceNumber,
- pusb_interface_assoc_descriptor->bFirstInterface,
- pusb_interface_assoc_descriptor->bInterfaceCount);
-} else {
-JOT(4, "intf[%i]: pusb_interface_assoc_descriptor is NULL\n",
- bInterfaceNumber);
-}
+ pusb_interface_assoc_descriptor = pusb_interface->intf_assoc;
+ if (NULL != pusb_interface_assoc_descriptor) {
+ JOT(4, "intf[%i]: bFirstInterface=0x%02X bInterfaceCount=0x%02X\n",
+ bInterfaceNumber,
+ pusb_interface_assoc_descriptor->bFirstInterface,
+ pusb_interface_assoc_descriptor->bInterfaceCount);
+ } else {
+ JOT(4, "intf[%i]: pusb_interface_assoc_descriptor is NULL\n",
+ bInterfaceNumber);
+ }
/*---------------------------------------------------------------------------*/
/*
* A NEW struct easycap IS ALWAYS ALLOCATED WHEN INTERFACE 0 IS PROBED.
* INTERFACES 1 AND 2 ARE PROBED.
*/
/*---------------------------------------------------------------------------*/
-if (0 == bInterfaceNumber) {
- peasycap = kzalloc(sizeof(struct easycap), GFP_KERNEL);
- if (NULL == peasycap) {
- SAY("ERROR: Could not allocate peasycap\n");
- return -ENOMEM;
- }
- SAM("allocated 0x%08lX=peasycap\n", (unsigned long int) peasycap);
+ if (0 == bInterfaceNumber) {
+ peasycap = kzalloc(sizeof(struct easycap), GFP_KERNEL);
+ if (NULL == peasycap) {
+ SAY("ERROR: Could not allocate peasycap\n");
+ return -ENOMEM;
+ }
+ SAM("allocated 0x%08lX=peasycap\n", (unsigned long int) peasycap);
/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
#ifdef EASYCAP_IS_VIDEODEV_CLIENT
- SAM("where 0x%08lX=&peasycap->video_device\n",
+ SAM("where 0x%08lX=&peasycap->video_device\n",
(unsigned long int) &peasycap->video_device);
#ifdef EASYCAP_NEEDS_V4L2_DEVICE_H
- SAM("and 0x%08lX=&peasycap->v4l2_device\n",
+ SAM("and 0x%08lX=&peasycap->v4l2_device\n",
(unsigned long int) &peasycap->v4l2_device);
#endif /*EASYCAP_NEEDS_V4L2_DEVICE_H*/
#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
* PERFORM URGENT INTIALIZATIONS ...
*/
/*---------------------------------------------------------------------------*/
- peasycap->minor = -1;
- strcpy(&peasycap->telltale[0], TELLTALE);
- kref_init(&peasycap->kref);
- JOM(8, "intf[%i]: after kref_init(..._video) "
- "%i=peasycap->kref.refcount.counter\n",
- bInterfaceNumber, peasycap->kref.refcount.counter);
+ peasycap->minor = -1;
+ strcpy(&peasycap->telltale[0], TELLTALE);
+ 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);
+ /* 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);
+ 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;
- } else {
+ if (mutex_lock_interruptible(&mutex_dongle)) {
+ SAY("ERROR: cannot down mutex_dongle\n");
+ return -ERESTARTSYS;
+ } else {
/*---------------------------------------------------------------------------*/
/*
* FOR INTERFACES 1 AND 2 THE POINTER peasycap WILL NEED TO
* EASYCAPs ARE PLUGGED IN SIMULTANEOUSLY.
*/
/*---------------------------------------------------------------------------*/
- for (ndong = 0; ndong < DONGLE_MANY; ndong++) {
- if ((NULL == 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;
+ for (ndong = 0; ndong < DONGLE_MANY; ndong++) {
+ if ((NULL == 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);
+ return -ENOMEM;
}
- }
- if (DONGLE_MANY <= ndong) {
- SAM("ERROR: too many dongles\n");
mutex_unlock(&mutex_dongle);
- return -ENOMEM;
}
- mutex_unlock(&mutex_dongle);
- }
- peasycap->allocation_video_struct = sizeof(struct easycap);
- peasycap->allocation_video_page = 0;
- peasycap->allocation_video_urb = 0;
- peasycap->allocation_audio_struct = 0;
- peasycap->allocation_audio_page = 0;
- peasycap->allocation_audio_urb = 0;
+ peasycap->allocation_video_struct = sizeof(struct easycap);
+ peasycap->allocation_video_page = 0;
+ peasycap->allocation_video_urb = 0;
+ peasycap->allocation_audio_struct = 0;
+ peasycap->allocation_audio_page = 0;
+ peasycap->allocation_audio_urb = 0;
/*---------------------------------------------------------------------------*/
/*
* ... AND FURTHER INITIALIZE THE STRUCTURE
*/
/*---------------------------------------------------------------------------*/
- peasycap->pusb_device = pusb_device;
- peasycap->pusb_interface = pusb_interface;
+ peasycap->pusb_device = pusb_device;
+ peasycap->pusb_interface = pusb_interface;
- peasycap->ilk = 0;
- peasycap->microphone = false;
+ peasycap->ilk = 0;
+ 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->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->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->frame_buffer_many = FRAME_BUFFER_MANY;
- for (k = 0; k < INPUT_MANY; k++)
- peasycap->lost[k] = 0;
- peasycap->skip = 0;
- peasycap->skipped = 0;
- peasycap->offerfields = 0;
+ for (k = 0; k < INPUT_MANY; k++)
+ peasycap->lost[k] = 0;
+ peasycap->skip = 0;
+ peasycap->skipped = 0;
+ peasycap->offerfields = 0;
/*---------------------------------------------------------------------------*/
/*
* DYNAMICALLY FILL IN THE AVAILABLE FORMATS ...
*/
/*---------------------------------------------------------------------------*/
- rc = fillin_formats();
- if (0 > rc) {
- SAM("ERROR: fillin_formats() returned %i\n", rc);
- return -EFAULT;
- }
- JOM(4, "%i formats available\n", rc);
+ rc = fillin_formats();
+ if (0 > rc) {
+ SAM("ERROR: fillin_formats() returned %i\n", rc);
+ return -EFAULT;
+ }
+ JOM(4, "%i formats available\n", rc);
/*---------------------------------------------------------------------------*/
/*
* ... AND POPULATE easycap.inputset[]
*/
/*---------------------------------------------------------------------------*/
- for (k = 0; k < INPUT_MANY; k++) {
- peasycap->inputset[k].input_ok = 0;
- peasycap->inputset[k].standard_offset_ok = 0;
- peasycap->inputset[k].format_offset_ok = 0;
- peasycap->inputset[k].brightness_ok = 0;
- peasycap->inputset[k].contrast_ok = 0;
- peasycap->inputset[k].saturation_ok = 0;
- peasycap->inputset[k].hue_ok = 0;
- }
- if (true == peasycap->ntsc) {
- i = 0;
- m = 0;
- mask = 0;
- while (0xFFFF != easycap_standard[i].mask) {
- if (NTSC_M == easycap_standard[i].
- v4l2_standard.index) {
- m++;
- for (k = 0; k < INPUT_MANY; k++) {
- peasycap->inputset[k].
- standard_offset = i;
+ for (k = 0; k < INPUT_MANY; k++) {
+ peasycap->inputset[k].input_ok = 0;
+ peasycap->inputset[k].standard_offset_ok = 0;
+ peasycap->inputset[k].format_offset_ok = 0;
+ peasycap->inputset[k].brightness_ok = 0;
+ peasycap->inputset[k].contrast_ok = 0;
+ peasycap->inputset[k].saturation_ok = 0;
+ peasycap->inputset[k].hue_ok = 0;
+ }
+ if (true == peasycap->ntsc) {
+ i = 0;
+ m = 0;
+ mask = 0;
+ while (0xFFFF != easycap_standard[i].mask) {
+ if (NTSC_M == easycap_standard[i].
+ v4l2_standard.index) {
+ m++;
+ for (k = 0; k < INPUT_MANY; k++) {
+ peasycap->inputset[k].
+ standard_offset = i;
+ }
+ mask = easycap_standard[i].mask;
}
- mask = easycap_standard[i].mask;
+ i++;
+ }
+ } else {
+ i = 0;
+ m = 0;
+ mask = 0;
+ while (0xFFFF != easycap_standard[i].mask) {
+ if (PAL_BGHIN == easycap_standard[i].
+ v4l2_standard.index) {
+ m++;
+ for (k = 0; k < INPUT_MANY; k++) {
+ peasycap->inputset[k].
+ standard_offset = i;
+ }
+ mask = easycap_standard[i].mask;
+ }
+ i++;
}
- i++;
}
- } else {
+
+ if (1 != m) {
+ SAM("MISTAKE: easycap.inputset[].standard_offset "
+ "unpopulated, %i=m\n", m);
+ return -ENOENT;
+ }
+
+ peasycap_format = &easycap_format[0];
i = 0;
m = 0;
- mask = 0;
- while (0xFFFF != easycap_standard[i].mask) {
- if (PAL_BGHIN == easycap_standard[i].
- v4l2_standard.index) {
+ while (0 != peasycap_format->v4l2_format.fmt.pix.width) {
+ if (((peasycap_format->mask & 0x0F) == (mask & 0x0F)) &&
+ (peasycap_format->
+ v4l2_format.fmt.pix.field ==
+ V4L2_FIELD_NONE) &&
+ (peasycap_format->
+ v4l2_format.fmt.pix.pixelformat ==
+ V4L2_PIX_FMT_UYVY) &&
+ (peasycap_format->
+ v4l2_format.fmt.pix.width ==
+ 640) &&
+ (peasycap_format->
+ v4l2_format.fmt.pix.height == 480)) {
m++;
- for (k = 0; k < INPUT_MANY; k++) {
- peasycap->inputset[k].
- standard_offset = i;
- }
- mask = easycap_standard[i].mask;
+ for (k = 0; k < INPUT_MANY; k++)
+ peasycap->inputset[k].format_offset = i;
+ break;
}
- i++;
+ peasycap_format++;
+ i++;
}
- }
-
- if (1 != m) {
- SAM("MISTAKE: easycap.inputset[].standard_offset "
- "unpopulated, %i=m\n", m);
+ if (1 != m) {
+ SAM("MISTAKE: easycap.inputset[].format_offset unpopulated\n");
return -ENOENT;
- }
-
- peasycap_format = &easycap_format[0];
- i = 0;
- m = 0;
- while (0 != peasycap_format->v4l2_format.fmt.pix.width) {
- if (((peasycap_format->mask & 0x0F) == (mask & 0x0F)) &&
- (peasycap_format->
- v4l2_format.fmt.pix.field ==
- V4L2_FIELD_NONE) &&
- (peasycap_format->
- v4l2_format.fmt.pix.pixelformat ==
- V4L2_PIX_FMT_UYVY) &&
- (peasycap_format->
- v4l2_format.fmt.pix.width ==
- 640) &&
- (peasycap_format->
- v4l2_format.fmt.pix.height == 480)) {
- m++;
- for (k = 0; k < INPUT_MANY; k++)
- peasycap->inputset[k].format_offset = i;
- break;
}
- peasycap_format++;
- i++;
- }
- if (1 != m) {
- SAM("MISTAKE: easycap.inputset[].format_offset unpopulated\n");
- return -ENOENT;
- }
- i = 0;
- m = 0;
- while (0xFFFFFFFF != easycap_control[i].id) {
- value = easycap_control[i].default_value;
- if (V4L2_CID_BRIGHTNESS == easycap_control[i].id) {
- m++;
- for (k = 0; k < INPUT_MANY; k++)
- peasycap->inputset[k].brightness = value;
- } else if (V4L2_CID_CONTRAST == easycap_control[i].id) {
- m++;
- for (k = 0; k < INPUT_MANY; k++)
- peasycap->inputset[k].contrast = value;
- } else if (V4L2_CID_SATURATION == easycap_control[i].id) {
- m++;
- for (k = 0; k < INPUT_MANY; k++)
- peasycap->inputset[k].saturation = value;
- } else if (V4L2_CID_HUE == easycap_control[i].id) {
- m++;
- for (k = 0; k < INPUT_MANY; k++)
- peasycap->inputset[k].hue = value;
+ i = 0;
+ m = 0;
+ while (0xFFFFFFFF != easycap_control[i].id) {
+ value = easycap_control[i].default_value;
+ if (V4L2_CID_BRIGHTNESS == easycap_control[i].id) {
+ m++;
+ for (k = 0; k < INPUT_MANY; k++)
+ peasycap->inputset[k].brightness = value;
+ } else if (V4L2_CID_CONTRAST == easycap_control[i].id) {
+ m++;
+ for (k = 0; k < INPUT_MANY; k++)
+ peasycap->inputset[k].contrast = value;
+ } else if (V4L2_CID_SATURATION == easycap_control[i].id) {
+ m++;
+ for (k = 0; k < INPUT_MANY; k++)
+ peasycap->inputset[k].saturation = value;
+ } else if (V4L2_CID_HUE == easycap_control[i].id) {
+ m++;
+ for (k = 0; k < INPUT_MANY; k++)
+ peasycap->inputset[k].hue = value;
+ }
+ i++;
}
- i++;
- }
- if (4 != m) {
- SAM("MISTAKE: easycap.inputset[].brightness,... "
- "underpopulated\n");
- return -ENOENT;
- }
- for (k = 0; k < INPUT_MANY; k++)
- peasycap->inputset[k].input = k;
- JOM(4, "populated easycap.inputset[]\n");
- JOM(4, "finished initialization\n");
-} else {
+ if (4 != m) {
+ SAM("MISTAKE: easycap.inputset[].brightness,... "
+ "underpopulated\n");
+ return -ENOENT;
+ }
+ for (k = 0; k < INPUT_MANY; k++)
+ peasycap->inputset[k].input = k;
+ JOM(4, "populated easycap.inputset[]\n");
+ JOM(4, "finished initialization\n");
+ } else {
/*---------------------------------------------------------------------------*/
/*
* FIXME
* THE ADDRESS OF peasycap->pusb_device IS RELUCTANTLY USED FOR THIS PURPOSE.
*/
/*---------------------------------------------------------------------------*/
- for (ndong = 0; ndong < DONGLE_MANY; ndong++) {
- if (pusb_device == easycapdc60_dongle[ndong].peasycap->
- pusb_device) {
- peasycap = easycapdc60_dongle[ndong].peasycap;
- JOT(8, "intf[%i]: easycapdc60_dongle[%i].peasycap-->"
- "peasycap\n", bInterfaceNumber, ndong);
- break;
+ for (ndong = 0; ndong < DONGLE_MANY; ndong++) {
+ if (pusb_device == easycapdc60_dongle[ndong].peasycap->
+ pusb_device) {
+ peasycap = easycapdc60_dongle[ndong].peasycap;
+ JOT(8, "intf[%i]: easycapdc60_dongle[%i].peasycap-->"
+ "peasycap\n", bInterfaceNumber, ndong);
+ break;
+ }
+ }
+ if (DONGLE_MANY <= ndong) {
+ SAY("ERROR: peasycap is unknown when probing interface %i\n",
+ bInterfaceNumber);
+ return -ENODEV;
+ }
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL when probing interface %i\n",
+ bInterfaceNumber);
+ return -ENODEV;
}
- }
- if (DONGLE_MANY <= ndong) {
- SAY("ERROR: peasycap is unknown when probing interface %i\n",
- bInterfaceNumber);
- return -ENODEV;
- }
- if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL when probing interface %i\n",
- bInterfaceNumber);
- return -ENODEV;
- }
#ifndef EASYCAP_IS_VIDEODEV_CLIENT
#
/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
* TO DETECT THIS, THE STRING IN THE easycap.telltale[] BUFFER IS CHECKED.
*/
/*---------------------------------------------------------------------------*/
- if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
- pv4l2_device = usb_get_intfdata(pusb_interface);
- if (NULL == pv4l2_device) {
- SAY("ERROR: pv4l2_device is NULL\n");
- return -ENODEV;
+ if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
+ pv4l2_device = usb_get_intfdata(pusb_interface);
+ if (NULL == pv4l2_device) {
+ SAY("ERROR: pv4l2_device is NULL\n");
+ return -ENODEV;
+ }
+ peasycap = (struct easycap *)
+ container_of(pv4l2_device, struct easycap, v4l2_device);
}
- peasycap = (struct easycap *)
- container_of(pv4l2_device, struct easycap, v4l2_device);
- }
#endif /*EASYCAP_NEEDS_V4L2_DEVICE_H*/
#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
}
/*---------------------------------------------------------------------------*/
-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",
+ 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 (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) &&
- (0x02 == 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);
+ } else if ((USB_CLASS_AUDIO == bInterfaceClass) &&
+ (0x02 == 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);
+ }
}
}
-}
/*---------------------------------------------------------------------------*/
/*
* INVESTIGATE ALL ALTSETTINGS.
* DONE IN DETAIL BECAUSE USB DEVICE 05e1:0408 HAS DISPARATE INCARNATIONS.
*/
/*---------------------------------------------------------------------------*/
-isokalt = 0;
-
-for (i = 0; i < pusb_interface->num_altsetting; i++) {
- pusb_host_interface = &(pusb_interface->altsetting[i]);
- if (NULL == pusb_host_interface) {
- SAM("ERROR: pusb_host_interface is NULL\n");
- return -EFAULT;
- }
- pusb_interface_descriptor = &(pusb_host_interface->desc);
- if (NULL == pusb_interface_descriptor) {
- SAM("ERROR: pusb_interface_descriptor is NULL\n");
- return -EFAULT;
- }
+ isokalt = 0;
- JOM(4, "intf[%i]alt[%i]: desc.bDescriptorType=0x%02X\n",
- bInterfaceNumber, i, pusb_interface_descriptor->bDescriptorType);
- JOM(4, "intf[%i]alt[%i]: desc.bInterfaceNumber=0x%02X\n",
- bInterfaceNumber, i, pusb_interface_descriptor->bInterfaceNumber);
- JOM(4, "intf[%i]alt[%i]: desc.bAlternateSetting=0x%02X\n",
- bInterfaceNumber, i, pusb_interface_descriptor->bAlternateSetting);
- JOM(4, "intf[%i]alt[%i]: desc.bNumEndpoints=0x%02X\n",
- bInterfaceNumber, i, pusb_interface_descriptor->bNumEndpoints);
- JOM(4, "intf[%i]alt[%i]: desc.bInterfaceClass=0x%02X\n",
- bInterfaceNumber, i, pusb_interface_descriptor->bInterfaceClass);
- JOM(4, "intf[%i]alt[%i]: desc.bInterfaceSubClass=0x%02X\n",
- bInterfaceNumber, i, pusb_interface_descriptor->bInterfaceSubClass);
- JOM(4, "intf[%i]alt[%i]: desc.bInterfaceProtocol=0x%02X\n",
- bInterfaceNumber, i, pusb_interface_descriptor->bInterfaceProtocol);
- JOM(4, "intf[%i]alt[%i]: desc.iInterface=0x%02X\n",
- bInterfaceNumber, i, pusb_interface_descriptor->iInterface);
-
- ISOCwMaxPacketSize = -1;
- BULKwMaxPacketSize = -1;
- INTwMaxPacketSize = -1;
- CTRLwMaxPacketSize = -1;
- ISOCbEndpointAddress = 0;
- INTbEndpointAddress = 0;
-
- if (0 == pusb_interface_descriptor->bNumEndpoints)
- JOM(4, "intf[%i]alt[%i] has no endpoints\n",
- bInterfaceNumber, i);
-/*---------------------------------------------------------------------------*/
- for (j = 0; j < pusb_interface_descriptor->bNumEndpoints; j++) {
- pepd = &(pusb_host_interface->endpoint[j].desc);
- if (NULL == pepd) {
- SAM("ERROR: pepd is NULL.\n");
- SAM("...... skipping\n");
- continue;
+ for (i = 0; i < pusb_interface->num_altsetting; i++) {
+ pusb_host_interface = &(pusb_interface->altsetting[i]);
+ if (NULL == pusb_host_interface) {
+ SAM("ERROR: pusb_host_interface is NULL\n");
+ return -EFAULT;
}
- wMaxPacketSize = le16_to_cpu(pepd->wMaxPacketSize);
- bEndpointAddress = pepd->bEndpointAddress;
-
- JOM(4, "intf[%i]alt[%i]end[%i]: bEndpointAddress=0x%X\n",
- bInterfaceNumber, i, j,
- pepd->bEndpointAddress);
- JOM(4, "intf[%i]alt[%i]end[%i]: bmAttributes=0x%X\n",
- bInterfaceNumber, i, j,
- pepd->bmAttributes);
- JOM(4, "intf[%i]alt[%i]end[%i]: wMaxPacketSize=%i\n",
- bInterfaceNumber, i, j,
- pepd->wMaxPacketSize);
- JOM(4, "intf[%i]alt[%i]end[%i]: bInterval=%i\n",
- bInterfaceNumber, i, j,
- pepd->bInterval);
-
- if (pepd->bEndpointAddress & USB_DIR_IN) {
- JOM(4, "intf[%i]alt[%i]end[%i] is an IN endpoint\n",
- bInterfaceNumber, i, j);
- isin = 1;
- } else {
- JOM(4, "intf[%i]alt[%i]end[%i] is an OUT endpoint\n",
- bInterfaceNumber, i, j);
- SAM("ERROR: OUT endpoint unexpected\n");
- SAM("...... continuing\n");
- isin = 0;
+ pusb_interface_descriptor = &(pusb_host_interface->desc);
+ if (NULL == pusb_interface_descriptor) {
+ SAM("ERROR: pusb_interface_descriptor is NULL\n");
+ return -EFAULT;
}
- if ((pepd->bmAttributes &
- USB_ENDPOINT_XFERTYPE_MASK) ==
- USB_ENDPOINT_XFER_ISOC) {
- JOM(4, "intf[%i]alt[%i]end[%i] is an ISOC endpoint\n",
- bInterfaceNumber, i, j);
- if (isin) {
- switch (bInterfaceClass) {
- case USB_CLASS_VIDEO:
- case USB_CLASS_VENDOR_SPEC: {
- if (!peasycap) {
- SAM("MISTAKE: "
- "peasycap is NULL\n");
- return -EFAULT;
- }
- if (pepd->wMaxPacketSize) {
- if (8 > isokalt) {
- okalt[isokalt] = i;
- JOM(4,
- "%i=okalt[%i]\n",
- okalt[isokalt],
- isokalt);
- okepn[isokalt] =
- pepd->
- bEndpointAddress &
- 0x0F;
- JOM(4,
- "%i=okepn[%i]\n",
- okepn[isokalt],
- isokalt);
- okmps[isokalt] =
- le16_to_cpu(pepd->
- wMaxPacketSize);
- JOM(4,
- "%i=okmps[%i]\n",
- okmps[isokalt],
- isokalt);
- isokalt++;
+
+ JOM(4, "intf[%i]alt[%i]: desc.bDescriptorType=0x%02X\n",
+ bInterfaceNumber, i, pusb_interface_descriptor->bDescriptorType);
+ JOM(4, "intf[%i]alt[%i]: desc.bInterfaceNumber=0x%02X\n",
+ bInterfaceNumber, i, pusb_interface_descriptor->bInterfaceNumber);
+ JOM(4, "intf[%i]alt[%i]: desc.bAlternateSetting=0x%02X\n",
+ bInterfaceNumber, i, pusb_interface_descriptor->bAlternateSetting);
+ JOM(4, "intf[%i]alt[%i]: desc.bNumEndpoints=0x%02X\n",
+ bInterfaceNumber, i, pusb_interface_descriptor->bNumEndpoints);
+ JOM(4, "intf[%i]alt[%i]: desc.bInterfaceClass=0x%02X\n",
+ bInterfaceNumber, i, pusb_interface_descriptor->bInterfaceClass);
+ JOM(4, "intf[%i]alt[%i]: desc.bInterfaceSubClass=0x%02X\n",
+ bInterfaceNumber, i, pusb_interface_descriptor->bInterfaceSubClass);
+ JOM(4, "intf[%i]alt[%i]: desc.bInterfaceProtocol=0x%02X\n",
+ bInterfaceNumber, i, pusb_interface_descriptor->bInterfaceProtocol);
+ JOM(4, "intf[%i]alt[%i]: desc.iInterface=0x%02X\n",
+ bInterfaceNumber, i, pusb_interface_descriptor->iInterface);
+
+ ISOCwMaxPacketSize = -1;
+ BULKwMaxPacketSize = -1;
+ INTwMaxPacketSize = -1;
+ CTRLwMaxPacketSize = -1;
+ ISOCbEndpointAddress = 0;
+ INTbEndpointAddress = 0;
+
+ if (0 == pusb_interface_descriptor->bNumEndpoints)
+ JOM(4, "intf[%i]alt[%i] has no endpoints\n",
+ bInterfaceNumber, i);
+/*---------------------------------------------------------------------------*/
+ for (j = 0; j < pusb_interface_descriptor->bNumEndpoints; j++) {
+ pepd = &(pusb_host_interface->endpoint[j].desc);
+ if (NULL == pepd) {
+ SAM("ERROR: pepd is NULL.\n");
+ SAM("...... skipping\n");
+ continue;
+ }
+ wMaxPacketSize = le16_to_cpu(pepd->wMaxPacketSize);
+ bEndpointAddress = pepd->bEndpointAddress;
+
+ JOM(4, "intf[%i]alt[%i]end[%i]: bEndpointAddress=0x%X\n",
+ bInterfaceNumber, i, j,
+ pepd->bEndpointAddress);
+ JOM(4, "intf[%i]alt[%i]end[%i]: bmAttributes=0x%X\n",
+ bInterfaceNumber, i, j,
+ pepd->bmAttributes);
+ JOM(4, "intf[%i]alt[%i]end[%i]: wMaxPacketSize=%i\n",
+ bInterfaceNumber, i, j,
+ pepd->wMaxPacketSize);
+ JOM(4, "intf[%i]alt[%i]end[%i]: bInterval=%i\n",
+ bInterfaceNumber, i, j,
+ pepd->bInterval);
+
+ if (pepd->bEndpointAddress & USB_DIR_IN) {
+ JOM(4, "intf[%i]alt[%i]end[%i] is an IN endpoint\n",
+ bInterfaceNumber, i, j);
+ isin = 1;
+ } else {
+ JOM(4, "intf[%i]alt[%i]end[%i] is an OUT endpoint\n",
+ bInterfaceNumber, i, j);
+ SAM("ERROR: OUT endpoint unexpected\n");
+ SAM("...... continuing\n");
+ isin = 0;
+ }
+ if ((pepd->bmAttributes &
+ USB_ENDPOINT_XFERTYPE_MASK) ==
+ USB_ENDPOINT_XFER_ISOC) {
+ JOM(4, "intf[%i]alt[%i]end[%i] is an ISOC endpoint\n",
+ bInterfaceNumber, i, j);
+ if (isin) {
+ switch (bInterfaceClass) {
+ case USB_CLASS_VIDEO:
+ case USB_CLASS_VENDOR_SPEC: {
+ if (!peasycap) {
+ SAM("MISTAKE: "
+ "peasycap is NULL\n");
+ return -EFAULT;
}
- } else {
- if (-1 == peasycap->
- video_altsetting_off) {
- peasycap->
- video_altsetting_off =
- i;
- JOM(4, "%i=video_"
- "altsetting_off "
- "<====\n",
- peasycap->
- video_altsetting_off);
+ if (pepd->wMaxPacketSize) {
+ if (8 > isokalt) {
+ okalt[isokalt] = i;
+ JOM(4,
+ "%i=okalt[%i]\n",
+ okalt[isokalt],
+ isokalt);
+ okepn[isokalt] =
+ pepd->
+ bEndpointAddress &
+ 0x0F;
+ JOM(4,
+ "%i=okepn[%i]\n",
+ okepn[isokalt],
+ isokalt);
+ okmps[isokalt] =
+ le16_to_cpu(pepd->
+ wMaxPacketSize);
+ JOM(4,
+ "%i=okmps[%i]\n",
+ okmps[isokalt],
+ isokalt);
+ isokalt++;
+ }
} else {
- SAM("ERROR: peasycap"
- "->video_altsetting_"
- "off already set\n");
- SAM("...... "
- "continuing with "
- "%i=peasycap->video_"
- "altsetting_off\n",
- peasycap->
- video_altsetting_off);
+ if (-1 == peasycap->
+ video_altsetting_off) {
+ peasycap->
+ video_altsetting_off =
+ i;
+ JOM(4, "%i=video_"
+ "altsetting_off "
+ "<====\n",
+ peasycap->
+ video_altsetting_off);
+ } else {
+ SAM("ERROR: peasycap"
+ "->video_altsetting_"
+ "off already set\n");
+ SAM("...... "
+ "continuing with "
+ "%i=peasycap->video_"
+ "altsetting_off\n",
+ peasycap->
+ video_altsetting_off);
+ }
}
- }
- break;
- }
- case USB_CLASS_AUDIO: {
- if (0x02 != bInterfaceSubClass)
break;
- if (!peasycap) {
- SAM("MISTAKE: "
- "peasycap is NULL\n");
- return -EFAULT;
}
- if (pepd->wMaxPacketSize) {
- if (8 > isokalt) {
- okalt[isokalt] = i ;
- JOM(4,
- "%i=okalt[%i]\n",
- okalt[isokalt],
- isokalt);
- okepn[isokalt] =
- pepd->
- bEndpointAddress &
- 0x0F;
- JOM(4,
- "%i=okepn[%i]\n",
- okepn[isokalt],
- isokalt);
- okmps[isokalt] =
- le16_to_cpu(pepd->
- wMaxPacketSize);
- JOM(4,
- "%i=okmps[%i]\n",
- okmps[isokalt],
- isokalt);
- isokalt++;
+ case USB_CLASS_AUDIO: {
+ if (0x02 != bInterfaceSubClass)
+ break;
+ if (!peasycap) {
+ SAM("MISTAKE: "
+ "peasycap is NULL\n");
+ return -EFAULT;
}
- } else {
- if (-1 == peasycap->
- audio_altsetting_off) {
- peasycap->
- audio_altsetting_off =
- i;
- JOM(4, "%i=audio_"
- "altsetting_off "
- "<====\n",
- peasycap->
- audio_altsetting_off);
+ if (pepd->wMaxPacketSize) {
+ if (8 > isokalt) {
+ okalt[isokalt] = i ;
+ JOM(4,
+ "%i=okalt[%i]\n",
+ okalt[isokalt],
+ isokalt);
+ okepn[isokalt] =
+ pepd->
+ bEndpointAddress &
+ 0x0F;
+ JOM(4,
+ "%i=okepn[%i]\n",
+ okepn[isokalt],
+ isokalt);
+ okmps[isokalt] =
+ le16_to_cpu(pepd->
+ wMaxPacketSize);
+ JOM(4,
+ "%i=okmps[%i]\n",
+ okmps[isokalt],
+ isokalt);
+ isokalt++;
+ }
} else {
- SAM("ERROR: peasycap"
- "->audio_altsetting_"
- "off already set\n");
- SAM("...... "
- "continuing with "
- "%i=peasycap->"
- "audio_altsetting_"
- "off\n",
- peasycap->
- audio_altsetting_off);
+ if (-1 == peasycap->
+ audio_altsetting_off) {
+ peasycap->
+ audio_altsetting_off =
+ i;
+ JOM(4, "%i=audio_"
+ "altsetting_off "
+ "<====\n",
+ peasycap->
+ audio_altsetting_off);
+ } else {
+ SAM("ERROR: peasycap"
+ "->audio_altsetting_"
+ "off already set\n");
+ SAM("...... "
+ "continuing with "
+ "%i=peasycap->"
+ "audio_altsetting_"
+ "off\n",
+ peasycap->
+ audio_altsetting_off);
+ }
}
- }
- break;
- }
- default:
break;
+ }
+ default:
+ break;
+ }
}
+ } else if ((pepd->bmAttributes &
+ USB_ENDPOINT_XFERTYPE_MASK) ==
+ USB_ENDPOINT_XFER_BULK) {
+ JOM(4, "intf[%i]alt[%i]end[%i] is a BULK endpoint\n",
+ bInterfaceNumber, i, j);
+ } else if ((pepd->bmAttributes &
+ USB_ENDPOINT_XFERTYPE_MASK) ==
+ USB_ENDPOINT_XFER_INT) {
+ JOM(4, "intf[%i]alt[%i]end[%i] is an INT endpoint\n",
+ bInterfaceNumber, i, j);
+ } else {
+ JOM(4, "intf[%i]alt[%i]end[%i] is a CTRL endpoint\n",
+ bInterfaceNumber, i, j);
+ }
+ if (0 == pepd->wMaxPacketSize) {
+ JOM(4, "intf[%i]alt[%i]end[%i] "
+ "has zero packet size\n",
+ bInterfaceNumber, i, j);
}
- } else if ((pepd->bmAttributes &
- USB_ENDPOINT_XFERTYPE_MASK) ==
- USB_ENDPOINT_XFER_BULK) {
- JOM(4, "intf[%i]alt[%i]end[%i] is a BULK endpoint\n",
- bInterfaceNumber, i, j);
- } else if ((pepd->bmAttributes &
- USB_ENDPOINT_XFERTYPE_MASK) ==
- USB_ENDPOINT_XFER_INT) {
- JOM(4, "intf[%i]alt[%i]end[%i] is an INT endpoint\n",
- bInterfaceNumber, i, j);
- } else {
- JOM(4, "intf[%i]alt[%i]end[%i] is a CTRL endpoint\n",
- bInterfaceNumber, i, j);
- }
- if (0 == pepd->wMaxPacketSize) {
- JOM(4, "intf[%i]alt[%i]end[%i] "
- "has zero packet size\n",
- bInterfaceNumber, i, j);
}
}
-}
/*---------------------------------------------------------------------------*/
/*
* PERFORM INITIALIZATION OF THE PROBED INTERFACE
*/
/*---------------------------------------------------------------------------*/
-JOM(4, "initialization begins for interface %i\n",
- pusb_interface_descriptor->bInterfaceNumber);
-switch (bInterfaceNumber) {
+ JOM(4, "initialization begins for interface %i\n",
+ pusb_interface_descriptor->bInterfaceNumber);
+ switch (bInterfaceNumber) {
/*---------------------------------------------------------------------------*/
/*
* INTERFACE 0 IS THE VIDEO INTERFACE
*/
/*---------------------------------------------------------------------------*/
-case 0: {
- if (!peasycap) {
- SAM("MISTAKE: peasycap is NULL\n");
- return -EFAULT;
- }
- if (!isokalt) {
- SAM("ERROR: no viable video_altsetting_on\n");
- return -ENOENT;
- } else {
- peasycap->video_altsetting_on = okalt[isokalt - 1];
- JOM(4, "%i=video_altsetting_on <====\n",
- peasycap->video_altsetting_on);
- }
+ case 0: {
+ if (!peasycap) {
+ SAM("MISTAKE: peasycap is NULL\n");
+ return -EFAULT;
+ }
+ if (!isokalt) {
+ SAM("ERROR: no viable video_altsetting_on\n");
+ return -ENOENT;
+ } else {
+ peasycap->video_altsetting_on = okalt[isokalt - 1];
+ JOM(4, "%i=video_altsetting_on <====\n",
+ peasycap->video_altsetting_on);
+ }
/*---------------------------------------------------------------------------*/
/*
* DECIDE THE VIDEO STREAMING PARAMETERS
*/
/*---------------------------------------------------------------------------*/
- peasycap->video_endpointnumber = okepn[isokalt - 1];
- JOM(4, "%i=video_endpointnumber\n", peasycap->video_endpointnumber);
- maxpacketsize = okmps[isokalt - 1];
- if (USB_2_0_MAXPACKETSIZE > maxpacketsize) {
- peasycap->video_isoc_maxframesize = maxpacketsize;
- } else {
- peasycap->video_isoc_maxframesize =
- USB_2_0_MAXPACKETSIZE;
- }
- JOM(4, "%i=video_isoc_maxframesize\n",
- peasycap->video_isoc_maxframesize);
- if (0 >= peasycap->video_isoc_maxframesize) {
- SAM("ERROR: bad video_isoc_maxframesize\n");
- SAM(" possibly because port is USB 1.1\n");
- return -ENOENT;
- }
- peasycap->video_isoc_framesperdesc = VIDEO_ISOC_FRAMESPERDESC;
- JOM(4, "%i=video_isoc_framesperdesc\n",
- peasycap->video_isoc_framesperdesc);
- if (0 >= peasycap->video_isoc_framesperdesc) {
- SAM("ERROR: bad video_isoc_framesperdesc\n");
- return -ENOENT;
- }
- peasycap->video_isoc_buffer_size =
- peasycap->video_isoc_maxframesize *
- peasycap->video_isoc_framesperdesc;
- JOM(4, "%i=video_isoc_buffer_size\n",
- peasycap->video_isoc_buffer_size);
- if ((PAGE_SIZE << VIDEO_ISOC_ORDER) <
- peasycap->video_isoc_buffer_size) {
- SAM("MISTAKE: peasycap->video_isoc_buffer_size too big\n");
- return -EFAULT;
- }
+ peasycap->video_endpointnumber = okepn[isokalt - 1];
+ JOM(4, "%i=video_endpointnumber\n", peasycap->video_endpointnumber);
+ maxpacketsize = okmps[isokalt - 1];
+ if (USB_2_0_MAXPACKETSIZE > maxpacketsize) {
+ peasycap->video_isoc_maxframesize = maxpacketsize;
+ } else {
+ peasycap->video_isoc_maxframesize =
+ USB_2_0_MAXPACKETSIZE;
+ }
+ JOM(4, "%i=video_isoc_maxframesize\n",
+ peasycap->video_isoc_maxframesize);
+ if (0 >= peasycap->video_isoc_maxframesize) {
+ SAM("ERROR: bad video_isoc_maxframesize\n");
+ SAM(" possibly because port is USB 1.1\n");
+ return -ENOENT;
+ }
+ peasycap->video_isoc_framesperdesc = VIDEO_ISOC_FRAMESPERDESC;
+ JOM(4, "%i=video_isoc_framesperdesc\n",
+ peasycap->video_isoc_framesperdesc);
+ if (0 >= peasycap->video_isoc_framesperdesc) {
+ SAM("ERROR: bad video_isoc_framesperdesc\n");
+ return -ENOENT;
+ }
+ peasycap->video_isoc_buffer_size =
+ peasycap->video_isoc_maxframesize *
+ peasycap->video_isoc_framesperdesc;
+ JOM(4, "%i=video_isoc_buffer_size\n",
+ peasycap->video_isoc_buffer_size);
+ if ((PAGE_SIZE << VIDEO_ISOC_ORDER) <
+ peasycap->video_isoc_buffer_size) {
+ SAM("MISTAKE: peasycap->video_isoc_buffer_size too big\n");
+ return -EFAULT;
+ }
/*---------------------------------------------------------------------------*/
- if (-1 == peasycap->video_interface) {
- SAM("MISTAKE: video_interface is unset\n");
- return -EFAULT;
- }
- if (-1 == peasycap->video_altsetting_on) {
- SAM("MISTAKE: video_altsetting_on is unset\n");
- return -EFAULT;
- }
- if (-1 == peasycap->video_altsetting_off) {
- SAM("MISTAKE: video_interface_off is unset\n");
- return -EFAULT;
- }
- if (-1 == peasycap->video_endpointnumber) {
- SAM("MISTAKE: video_endpointnumber is unset\n");
- return -EFAULT;
- }
- if (-1 == peasycap->video_isoc_maxframesize) {
- SAM("MISTAKE: video_isoc_maxframesize is unset\n");
- return -EFAULT;
- }
- if (-1 == peasycap->video_isoc_buffer_size) {
- SAM("MISTAKE: video_isoc_buffer_size is unset\n");
- return -EFAULT;
- }
+ if (-1 == peasycap->video_interface) {
+ SAM("MISTAKE: video_interface is unset\n");
+ return -EFAULT;
+ }
+ if (-1 == peasycap->video_altsetting_on) {
+ SAM("MISTAKE: video_altsetting_on is unset\n");
+ return -EFAULT;
+ }
+ if (-1 == peasycap->video_altsetting_off) {
+ SAM("MISTAKE: video_interface_off is unset\n");
+ return -EFAULT;
+ }
+ if (-1 == peasycap->video_endpointnumber) {
+ SAM("MISTAKE: video_endpointnumber is unset\n");
+ return -EFAULT;
+ }
+ if (-1 == peasycap->video_isoc_maxframesize) {
+ SAM("MISTAKE: video_isoc_maxframesize is unset\n");
+ return -EFAULT;
+ }
+ if (-1 == peasycap->video_isoc_buffer_size) {
+ SAM("MISTAKE: video_isoc_buffer_size is unset\n");
+ return -EFAULT;
+ }
/*---------------------------------------------------------------------------*/
/*
* ALLOCATE MEMORY FOR VIDEO BUFFERS. LISTS MUST BE INITIALIZED FIRST.
*/
/*---------------------------------------------------------------------------*/
- 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 (NULL != peasycap->frame_buffer[k][m].pgo)
- SAM("attempting to reallocate frame "
- " buffers\n");
- else {
- pbuf = (void *)__get_free_page(GFP_KERNEL);
- if (NULL == pbuf) {
- SAM("ERROR: Could not allocate frame "
- "buffer %i page %i\n", k, m);
- return -ENOMEM;
- } else
- peasycap->allocation_video_page += 1;
- peasycap->frame_buffer[k][m].pgo = pbuf;
+ 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 (NULL != peasycap->frame_buffer[k][m].pgo)
+ SAM("attempting to reallocate frame "
+ " buffers\n");
+ else {
+ pbuf = (void *)__get_free_page(GFP_KERNEL);
+ if (NULL == pbuf) {
+ SAM("ERROR: Could not allocate frame "
+ "buffer %i page %i\n", k, m);
+ return -ENOMEM;
+ } else
+ 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_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 (NULL != peasycap->field_buffer[k][m].pgo) {
- SAM("ERROR: attempting to reallocate "
- "field buffers\n");
- } else {
- pbuf = (void *) __get_free_page(GFP_KERNEL);
- if (NULL == pbuf) {
- SAM("ERROR: Could not allocate field"
- " buffer %i page %i\n", k, m);
- return -ENOMEM;
+ 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 (NULL != peasycap->field_buffer[k][m].pgo) {
+ SAM("ERROR: attempting to reallocate "
+ "field buffers\n");
+ } else {
+ pbuf = (void *) __get_free_page(GFP_KERNEL);
+ if (NULL == pbuf) {
+ SAM("ERROR: Could not allocate field"
+ " buffer %i page %i\n", k, m);
+ return -ENOMEM;
+ }
+ else
+ peasycap->allocation_video_page += 1;
+ peasycap->field_buffer[k][m].pgo = pbuf;
}
- else
- 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][m].pto =
+ peasycap->field_buffer[k][m].pgo;
+ }
+ peasycap->field_buffer[k][0].kount = 0x0200;
}
- 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 (NULL == pbuf) {
- SAM("ERROR: Could not allocate isoc video buffer "
- "%i\n", k);
- return -ENOMEM;
- } else
- peasycap->allocation_video_page +=
- ((unsigned int)(0x01 << VIDEO_ISOC_ORDER));
+ 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 (NULL == pbuf) {
+ SAM("ERROR: Could not allocate isoc video buffer "
+ "%i\n", k);
+ return -ENOMEM;
+ } else
+ peasycap->allocation_video_page +=
+ ((unsigned int)(0x01 << 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));
+ 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 urb ...
*/
/*---------------------------------------------------------------------------*/
- 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 (NULL == purb) {
- SAM("ERROR: usb_alloc_urb returned NULL for buffer "
- "%i\n", k);
- return -ENOMEM;
- } else
- peasycap->allocation_video_urb += 1;
+ 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 (NULL == purb) {
+ SAM("ERROR: usb_alloc_urb returned NULL for buffer "
+ "%i\n", k);
+ return -ENOMEM;
+ } else
+ peasycap->allocation_video_urb += 1;
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
- pdata_urb = kzalloc(sizeof(struct data_urb), GFP_KERNEL);
- if (NULL == pdata_urb) {
- SAM("ERROR: Could not allocate struct data_urb.\n");
- return -ENOMEM;
- } else
- peasycap->allocation_video_struct +=
- sizeof(struct data_urb);
+ pdata_urb = kzalloc(sizeof(struct data_urb), GFP_KERNEL);
+ if (NULL == pdata_urb) {
+ SAM("ERROR: Could not allocate struct data_urb.\n");
+ return -ENOMEM;
+ } else
+ peasycap->allocation_video_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_video_head);
+ pdata_urb->purb = purb;
+ pdata_urb->isbuf = k;
+ pdata_urb->length = 0;
+ list_add_tail(&(pdata_urb->list_head),
+ peasycap->purb_video_head);
/*---------------------------------------------------------------------------*/
/*
* ... AND INITIALIZE THEM
*/
/*---------------------------------------------------------------------------*/
- 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");
- }
+ 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;
+ 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);
+ JOM(4, "allocation of %i struct urb done.\n", k);
/*--------------------------------------------------------------------------*/
/*
* SAVE POINTER peasycap IN THIS INTERFACE.
*/
/*--------------------------------------------------------------------------*/
- usb_set_intfdata(pusb_interface, peasycap);
+ usb_set_intfdata(pusb_interface, peasycap);
/*---------------------------------------------------------------------------*/
/*
* IT IS ESSENTIAL TO INITIALIZE THE HARDWARE BEFORE, RATHER THAN AFTER,
*/
/*---------------------------------------------------------------------------*/
#ifdef PREFER_NTSC
- peasycap->ntsc = true;
- JOM(8, "defaulting initially to NTSC\n");
+ peasycap->ntsc = true;
+ JOM(8, "defaulting initially to NTSC\n");
#else
- peasycap->ntsc = false;
- JOM(8, "defaulting initially to PAL\n");
+ peasycap->ntsc = false;
+ JOM(8, "defaulting initially to PAL\n");
#endif /*PREFER_NTSC*/
- rc = reset(peasycap);
- if (rc) {
- SAM("ERROR: reset() returned %i\n", rc);
- return -EFAULT;
- }
+ rc = reset(peasycap);
+ if (rc) {
+ SAM("ERROR: reset() returned %i\n", rc);
+ return -EFAULT;
+ }
/*--------------------------------------------------------------------------*/
/*
* THE VIDEO DEVICE CAN BE REGISTERED NOW, AS IT IS READY.
*/
/*--------------------------------------------------------------------------*/
#ifndef EASYCAP_IS_VIDEODEV_CLIENT
- if (0 != (usb_register_dev(pusb_interface, &easycap_class))) {
- err("Not able to get a minor for this device");
- usb_set_intfdata(pusb_interface, NULL);
- return -ENODEV;
- } else {
- (peasycap->registered_video)++;
- SAM("easycap attached to minor #%d\n", pusb_interface->minor);
- peasycap->minor = pusb_interface->minor;
- break;
- }
+ if (0 != (usb_register_dev(pusb_interface, &easycap_class))) {
+ err("Not able to get a minor for this device");
+ usb_set_intfdata(pusb_interface, NULL);
+ return -ENODEV;
+ } else {
+ (peasycap->registered_video)++;
+ SAM("easycap attached to minor #%d\n", pusb_interface->minor);
+ peasycap->minor = pusb_interface->minor;
+ break;
+ }
/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
#else
#ifdef EASYCAP_NEEDS_V4L2_DEVICE_H
- if (0 != (v4l2_device_register(&(pusb_interface->dev),
- &(peasycap->v4l2_device)))) {
- SAM("v4l2_device_register() failed\n");
- return -ENODEV;
- } else {
- JOM(4, "registered device instance: %s\n",
- &(peasycap->v4l2_device.name[0]));
- }
+ if (0 != (v4l2_device_register(&(pusb_interface->dev),
+ &(peasycap->v4l2_device)))) {
+ SAM("v4l2_device_register() failed\n");
+ return -ENODEV;
+ } else {
+ JOM(4, "registered device instance: %s\n",
+ &(peasycap->v4l2_device.name[0]));
+ }
/*---------------------------------------------------------------------------*/
/*
* FIXME
* THIS IS BELIEVED TO BE HARMLESS, BUT MAY WELL BE UNNECESSARY OR WRONG:
*/
/*---------------------------------------------------------------------------*/
- peasycap->video_device.v4l2_dev = NULL;
+ peasycap->video_device.v4l2_dev = NULL;
/*---------------------------------------------------------------------------*/
#endif /*EASYCAP_NEEDS_V4L2_DEVICE_H*/
- strcpy(&peasycap->video_device.name[0], "easycapdc60");
+ strcpy(&peasycap->video_device.name[0], "easycapdc60");
#ifdef EASYCAP_NEEDS_V4L2_FOPS
- peasycap->video_device.fops = &v4l2_fops;
+ peasycap->video_device.fops = &v4l2_fops;
#else
- peasycap->video_device.fops = &easycap_fops;
+ peasycap->video_device.fops = &easycap_fops;
#endif /*EASYCAP_NEEDS_V4L2_FOPS*/
- peasycap->video_device.minor = -1;
- peasycap->video_device.release = (void *)(&videodev_release);
+ peasycap->video_device.minor = -1;
+ peasycap->video_device.release = (void *)(&videodev_release);
- video_set_drvdata(&(peasycap->video_device), (void *)peasycap);
+ 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));
- return -ENODEV;
- } else {
- (peasycap->registered_video)++;
- SAM("registered with videodev: %i=minor\n",
- peasycap->video_device.minor);
- peasycap->minor = peasycap->video_device.minor;
- }
+ if (0 != (video_register_device(&(peasycap->video_device),
+ VFL_TYPE_GRABBER, -1))) {
+ err("Not able to register with videodev");
+ videodev_release(&(peasycap->video_device));
+ return -ENODEV;
+ } else {
+ (peasycap->registered_video)++;
+ SAM("registered with videodev: %i=minor\n",
+ peasycap->video_device.minor);
+ peasycap->minor = peasycap->video_device.minor;
+ }
#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
- break;
+ break;
}
/*--------------------------------------------------------------------------*/
/*
* INTERFACE 2 IS THE AUDIO STREAMING INTERFACE
*/
/*--------------------------------------------------------------------------*/
-case 1: {
+ case 1: {
#ifdef EASYCAP_SILENT
- return -ENOENT;
+ return -ENOENT;
#endif /*EASYCAP_SILENT*/
- if (!peasycap) {
- SAM("MISTAKE: peasycap is NULL\n");
- return -EFAULT;
- }
+ if (!peasycap) {
+ SAM("MISTAKE: peasycap is NULL\n");
+ return -EFAULT;
+ }
/*--------------------------------------------------------------------------*/
/*
* SAVE POINTER peasycap IN INTERFACE 1
*/
/*--------------------------------------------------------------------------*/
- usb_set_intfdata(pusb_interface, peasycap);
- JOM(4, "no initialization required for interface %i\n",
- pusb_interface_descriptor->bInterfaceNumber);
- break;
-}
-/*--------------------------------------------------------------------------*/
-case 2: {
-#ifdef EASYCAP_SILENT
- return -ENOENT;
-#endif /*EASYCAP_SILENT*/
- if (!peasycap) {
- SAM("MISTAKE: peasycap is NULL\n");
- return -EFAULT;
+ usb_set_intfdata(pusb_interface, peasycap);
+ JOM(4, "no initialization required for interface %i\n",
+ pusb_interface_descriptor->bInterfaceNumber);
+ break;
}
- if (!isokalt) {
- SAM("ERROR: no viable audio_altsetting_on\n");
+ /*--------------------------------------------------------------------------*/
+ case 2: {
+#ifdef EASYCAP_SILENT
return -ENOENT;
- } else {
- peasycap->audio_altsetting_on = okalt[isokalt - 1];
- JOM(4, "%i=audio_altsetting_on <====\n",
- peasycap->audio_altsetting_on);
- }
+#endif /*EASYCAP_SILENT*/
+ if (!peasycap) {
+ SAM("MISTAKE: peasycap is NULL\n");
+ return -EFAULT;
+ }
+ if (!isokalt) {
+ SAM("ERROR: no viable audio_altsetting_on\n");
+ return -ENOENT;
+ } else {
+ peasycap->audio_altsetting_on = okalt[isokalt - 1];
+ JOM(4, "%i=audio_altsetting_on <====\n",
+ peasycap->audio_altsetting_on);
+ }
- peasycap->audio_endpointnumber = okepn[isokalt - 1];
- JOM(4, "%i=audio_endpointnumber\n", peasycap->audio_endpointnumber);
+ peasycap->audio_endpointnumber = okepn[isokalt - 1];
+ JOM(4, "%i=audio_endpointnumber\n", peasycap->audio_endpointnumber);
- peasycap->audio_isoc_maxframesize = okmps[isokalt - 1];
- JOM(4, "%i=audio_isoc_maxframesize\n",
- peasycap->audio_isoc_maxframesize);
- if (0 >= peasycap->audio_isoc_maxframesize) {
- SAM("ERROR: bad audio_isoc_maxframesize\n");
- return -ENOENT;
- }
- if (9 == peasycap->audio_isoc_maxframesize) {
- peasycap->ilk |= 0x02;
- SAM("audio hardware is microphone\n");
- peasycap->microphone = true;
- peasycap->audio_pages_per_fragment = PAGES_PER_AUDIO_FRAGMENT;
- } else if (256 == peasycap->audio_isoc_maxframesize) {
- peasycap->ilk &= ~0x02;
- SAM("audio hardware is AC'97\n");
- peasycap->microphone = false;
- peasycap->audio_pages_per_fragment = PAGES_PER_AUDIO_FRAGMENT;
- } else {
- SAM("hardware is unidentified:\n");
- SAM("%i=audio_isoc_maxframesize\n",
- peasycap->audio_isoc_maxframesize);
- return -ENOENT;
- }
+ peasycap->audio_isoc_maxframesize = okmps[isokalt - 1];
+ JOM(4, "%i=audio_isoc_maxframesize\n",
+ peasycap->audio_isoc_maxframesize);
+ if (0 >= peasycap->audio_isoc_maxframesize) {
+ SAM("ERROR: bad audio_isoc_maxframesize\n");
+ return -ENOENT;
+ }
+ if (9 == peasycap->audio_isoc_maxframesize) {
+ peasycap->ilk |= 0x02;
+ SAM("audio hardware is microphone\n");
+ peasycap->microphone = true;
+ peasycap->audio_pages_per_fragment = PAGES_PER_AUDIO_FRAGMENT;
+ } else if (256 == peasycap->audio_isoc_maxframesize) {
+ peasycap->ilk &= ~0x02;
+ SAM("audio hardware is AC'97\n");
+ peasycap->microphone = false;
+ peasycap->audio_pages_per_fragment = PAGES_PER_AUDIO_FRAGMENT;
+ } else {
+ SAM("hardware is unidentified:\n");
+ SAM("%i=audio_isoc_maxframesize\n",
+ peasycap->audio_isoc_maxframesize);
+ return -ENOENT;
+ }
- peasycap->audio_bytes_per_fragment =
- peasycap->audio_pages_per_fragment *
- PAGE_SIZE ;
- peasycap->audio_buffer_page_many = (AUDIO_FRAGMENT_MANY *
- peasycap->audio_pages_per_fragment);
-
- JOM(4, "%6i=AUDIO_FRAGMENT_MANY\n", AUDIO_FRAGMENT_MANY);
- JOM(4, "%6i=audio_pages_per_fragment\n",
- peasycap->audio_pages_per_fragment);
- JOM(4, "%6i=audio_bytes_per_fragment\n",
- peasycap->audio_bytes_per_fragment);
- JOM(4, "%6i=audio_buffer_page_many\n",
- peasycap->audio_buffer_page_many);
-
- peasycap->audio_isoc_framesperdesc = AUDIO_ISOC_FRAMESPERDESC;
-
- JOM(4, "%i=audio_isoc_framesperdesc\n",
- peasycap->audio_isoc_framesperdesc);
- if (0 >= peasycap->audio_isoc_framesperdesc) {
- SAM("ERROR: bad audio_isoc_framesperdesc\n");
- return -ENOENT;
- }
+ peasycap->audio_bytes_per_fragment =
+ peasycap->audio_pages_per_fragment *
+ PAGE_SIZE ;
+ peasycap->audio_buffer_page_many = (AUDIO_FRAGMENT_MANY *
+ peasycap->audio_pages_per_fragment);
+
+ JOM(4, "%6i=AUDIO_FRAGMENT_MANY\n", AUDIO_FRAGMENT_MANY);
+ JOM(4, "%6i=audio_pages_per_fragment\n",
+ peasycap->audio_pages_per_fragment);
+ JOM(4, "%6i=audio_bytes_per_fragment\n",
+ peasycap->audio_bytes_per_fragment);
+ JOM(4, "%6i=audio_buffer_page_many\n",
+ peasycap->audio_buffer_page_many);
+
+ peasycap->audio_isoc_framesperdesc = AUDIO_ISOC_FRAMESPERDESC;
+
+ JOM(4, "%i=audio_isoc_framesperdesc\n",
+ peasycap->audio_isoc_framesperdesc);
+ if (0 >= peasycap->audio_isoc_framesperdesc) {
+ SAM("ERROR: bad audio_isoc_framesperdesc\n");
+ return -ENOENT;
+ }
- peasycap->audio_isoc_buffer_size =
- peasycap->audio_isoc_maxframesize *
- peasycap->audio_isoc_framesperdesc;
- JOM(4, "%i=audio_isoc_buffer_size\n",
- peasycap->audio_isoc_buffer_size);
- if (AUDIO_ISOC_BUFFER_SIZE < peasycap->audio_isoc_buffer_size) {
- SAM("MISTAKE: audio_isoc_buffer_size bigger "
- "than %li=AUDIO_ISOC_BUFFER_SIZE\n",
- AUDIO_ISOC_BUFFER_SIZE);
- return -EFAULT;
- }
- if (-1 == peasycap->audio_interface) {
- SAM("MISTAKE: audio_interface is unset\n");
- return -EFAULT;
- }
- if (-1 == peasycap->audio_altsetting_on) {
- SAM("MISTAKE: audio_altsetting_on is unset\n");
- return -EFAULT;
- }
- if (-1 == peasycap->audio_altsetting_off) {
- SAM("MISTAKE: audio_interface_off is unset\n");
- return -EFAULT;
- }
- if (-1 == peasycap->audio_endpointnumber) {
- SAM("MISTAKE: audio_endpointnumber is unset\n");
- return -EFAULT;
- }
- if (-1 == peasycap->audio_isoc_maxframesize) {
- SAM("MISTAKE: audio_isoc_maxframesize is unset\n");
- return -EFAULT;
- }
- if (-1 == peasycap->audio_isoc_buffer_size) {
- SAM("MISTAKE: audio_isoc_buffer_size is unset\n");
- return -EFAULT;
- }
+ peasycap->audio_isoc_buffer_size =
+ peasycap->audio_isoc_maxframesize *
+ peasycap->audio_isoc_framesperdesc;
+ JOM(4, "%i=audio_isoc_buffer_size\n",
+ peasycap->audio_isoc_buffer_size);
+ if (AUDIO_ISOC_BUFFER_SIZE < peasycap->audio_isoc_buffer_size) {
+ SAM("MISTAKE: audio_isoc_buffer_size bigger "
+ "than %li=AUDIO_ISOC_BUFFER_SIZE\n",
+ AUDIO_ISOC_BUFFER_SIZE);
+ return -EFAULT;
+ }
+ if (-1 == peasycap->audio_interface) {
+ SAM("MISTAKE: audio_interface is unset\n");
+ return -EFAULT;
+ }
+ if (-1 == peasycap->audio_altsetting_on) {
+ SAM("MISTAKE: audio_altsetting_on is unset\n");
+ return -EFAULT;
+ }
+ if (-1 == peasycap->audio_altsetting_off) {
+ SAM("MISTAKE: audio_interface_off is unset\n");
+ return -EFAULT;
+ }
+ if (-1 == peasycap->audio_endpointnumber) {
+ SAM("MISTAKE: audio_endpointnumber is unset\n");
+ return -EFAULT;
+ }
+ if (-1 == peasycap->audio_isoc_maxframesize) {
+ SAM("MISTAKE: audio_isoc_maxframesize is unset\n");
+ return -EFAULT;
+ }
+ if (-1 == peasycap->audio_isoc_buffer_size) {
+ SAM("MISTAKE: audio_isoc_buffer_size is unset\n");
+ return -EFAULT;
+ }
/*---------------------------------------------------------------------------*/
/*
* ALLOCATE MEMORY FOR AUDIO BUFFERS. LISTS MUST BE INITIALIZED FIRST.
*/
/*---------------------------------------------------------------------------*/
- INIT_LIST_HEAD(&(peasycap->urb_audio_head));
- peasycap->purb_audio_head = &(peasycap->urb_audio_head);
+ INIT_LIST_HEAD(&(peasycap->urb_audio_head));
+ peasycap->purb_audio_head = &(peasycap->urb_audio_head);
#ifdef CONFIG_EASYCAP_OSS
- JOM(4, "allocating an audio buffer\n");
- JOM(4, ".... scattered over %i pages\n",
- peasycap->audio_buffer_page_many);
+ JOM(4, "allocating an audio buffer\n");
+ JOM(4, ".... scattered over %i pages\n",
+ peasycap->audio_buffer_page_many);
- for (k = 0; k < peasycap->audio_buffer_page_many; k++) {
- if (NULL != peasycap->audio_buffer[k].pgo) {
- SAM("ERROR: attempting to reallocate audio buffers\n");
- } else {
- pbuf = (void *) __get_free_page(GFP_KERNEL);
- if (NULL == pbuf) {
- SAM("ERROR: Could not allocate audio "
- "buffer page %i\n", k);
- return -ENOMEM;
- } else
- peasycap->allocation_audio_page += 1;
+ for (k = 0; k < peasycap->audio_buffer_page_many; k++) {
+ if (NULL != peasycap->audio_buffer[k].pgo) {
+ SAM("ERROR: attempting to reallocate audio buffers\n");
+ } else {
+ pbuf = (void *) __get_free_page(GFP_KERNEL);
+ if (NULL == pbuf) {
+ SAM("ERROR: Could not allocate audio "
+ "buffer page %i\n", k);
+ return -ENOMEM;
+ } else
+ peasycap->allocation_audio_page += 1;
- peasycap->audio_buffer[k].pgo = pbuf;
+ peasycap->audio_buffer[k].pgo = pbuf;
+ }
+ peasycap->audio_buffer[k].pto = peasycap->audio_buffer[k].pgo;
}
- peasycap->audio_buffer[k].pto = peasycap->audio_buffer[k].pgo;
- }
- peasycap->audio_fill = 0;
- peasycap->audio_read = 0;
- JOM(4, "allocation of audio buffer done: %i pages\n", k);
+ peasycap->audio_fill = 0;
+ peasycap->audio_read = 0;
+ JOM(4, "allocation of audio buffer done: %i pages\n", k);
#endif /* CONFIG_EASYCAP_OSS */
/*---------------------------------------------------------------------------*/
- 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");
+ 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 (NULL == pbuf) {
- SAM("ERROR: Could not allocate isoc audio buffer "
- "%i\n", k);
- return -ENOMEM;
- } else
- peasycap->allocation_audio_page +=
- ((unsigned int)(0x01 << AUDIO_ISOC_ORDER));
+ for (k = 0; k < AUDIO_ISOC_BUFFER_MANY; k++) {
+ pbuf = (void *)__get_free_pages(GFP_KERNEL, AUDIO_ISOC_ORDER);
+ if (NULL == pbuf) {
+ SAM("ERROR: Could not allocate isoc audio buffer "
+ "%i\n", k);
+ return -ENOMEM;
+ } else
+ peasycap->allocation_audio_page +=
+ ((unsigned int)(0x01 << 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");
+ 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");
/*---------------------------------------------------------------------------*/
/*
* ALLOCATE AND INITIALIZE MULTIPLE struct urb ...
*/
/*---------------------------------------------------------------------------*/
- 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 (NULL == purb) {
- SAM("ERROR: usb_alloc_urb returned NULL for buffer "
- "%i\n", k);
- return -ENOMEM;
- } else
- peasycap->allocation_audio_urb += 1 ;
+ 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 (NULL == purb) {
+ SAM("ERROR: usb_alloc_urb returned NULL for buffer "
+ "%i\n", k);
+ return -ENOMEM;
+ } else
+ peasycap->allocation_audio_urb += 1 ;
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
- pdata_urb = kzalloc(sizeof(struct data_urb), GFP_KERNEL);
- if (NULL == pdata_urb) {
- SAM("ERROR: Could not allocate struct data_urb.\n");
- return -ENOMEM;
- } else
- peasycap->allocation_audio_struct +=
- sizeof(struct data_urb);
+ pdata_urb = kzalloc(sizeof(struct data_urb), GFP_KERNEL);
+ if (NULL == pdata_urb) {
+ SAM("ERROR: Could not allocate struct data_urb.\n");
+ return -ENOMEM;
+ } else
+ 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);
+ pdata_urb->purb = purb;
+ pdata_urb->isbuf = k;
+ pdata_urb->length = 0;
+ list_add_tail(&(pdata_urb->list_head),
+ peasycap->purb_audio_head);
/*---------------------------------------------------------------------------*/
/*
* ... AND INITIALIZE THEM
*/
/*---------------------------------------------------------------------------*/
- 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);
+ 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);
#ifdef CONFIG_EASYCAP_OSS
- JOM(4, " purb->complete = easyoss_complete;\n");
+ JOM(4, " purb->complete = easyoss_complete;\n");
#else /* CONFIG_EASYCAP_OSS */
- JOM(4, " purb->complete = easycap_alsa_complete;\n");
+ JOM(4, " purb->complete = easycap_alsa_complete;\n");
#endif /* CONFIG_EASYCAP_OSS */
- 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");
- }
+ 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->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;
#ifdef CONFIG_EASYCAP_OSS
- purb->complete = easyoss_complete;
+ purb->complete = easyoss_complete;
#else /* CONFIG_EASYCAP_OSS */
- purb->complete = easycap_alsa_complete;
+ purb->complete = easycap_alsa_complete;
#endif /* CONFIG_EASYCAP_OSS */
- 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;
+ 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);
+ JOM(4, "allocation of %i struct urb done.\n", k);
/*---------------------------------------------------------------------------*/
/*
* SAVE POINTER peasycap IN THIS INTERFACE.
*/
/*---------------------------------------------------------------------------*/
- usb_set_intfdata(pusb_interface, peasycap);
+ usb_set_intfdata(pusb_interface, peasycap);
/*---------------------------------------------------------------------------*/
/*
* THE AUDIO DEVICE CAN BE REGISTERED NOW, AS IT IS READY.
*/
/*---------------------------------------------------------------------------*/
#ifndef CONFIG_EASYCAP_OSS
- JOM(4, "initializing ALSA card\n");
+ JOM(4, "initializing ALSA card\n");
- rc = easycap_alsa_probe(peasycap);
- if (rc) {
- err("easycap_alsa_probe() returned %i\n", rc);
- return -ENODEV;
- } else {
- JOM(8, "kref_get() with %i=peasycap->kref.refcount.counter\n",
- (int)peasycap->kref.refcount.counter);
- kref_get(&peasycap->kref);
- (peasycap->registered_audio)++;
- }
+ rc = easycap_alsa_probe(peasycap);
+ if (rc) {
+ err("easycap_alsa_probe() returned %i\n", rc);
+ return -ENODEV;
+ } else {
+ JOM(8, "kref_get() with %i=peasycap->kref.refcount.counter\n",
+ (int)peasycap->kref.refcount.counter);
+ kref_get(&peasycap->kref);
+ (peasycap->registered_audio)++;
+ }
#else /* CONFIG_EASYCAP_OSS */
- rc = usb_register_dev(pusb_interface, &easyoss_class);
- if (rc) {
- SAY("ERROR: usb_register_dev() failed\n");
- usb_set_intfdata(pusb_interface, NULL);
- return -ENODEV;
- } else {
- JOM(8, "kref_get() with %i=peasycap->kref.refcount.counter\n",
- (int)peasycap->kref.refcount.counter);
- kref_get(&peasycap->kref);
- (peasycap->registered_audio)++;
- }
+ rc = usb_register_dev(pusb_interface, &easyoss_class);
+ if (rc) {
+ SAY("ERROR: usb_register_dev() failed\n");
+ usb_set_intfdata(pusb_interface, NULL);
+ return -ENODEV;
+ } else {
+ JOM(8, "kref_get() with %i=peasycap->kref.refcount.counter\n",
+ (int)peasycap->kref.refcount.counter);
+ kref_get(&peasycap->kref);
+ (peasycap->registered_audio)++;
+ }
/*---------------------------------------------------------------------------*/
/*
* LET THE USER KNOW WHAT NODE THE AUDIO DEVICE IS ATTACHED TO.
*/
/*---------------------------------------------------------------------------*/
- SAM("easyoss attached to minor #%d\n", pusb_interface->minor);
+ SAM("easyoss attached to minor #%d\n", pusb_interface->minor);
#endif /* CONFIG_EASYCAP_OSS */
- break;
+ break;
}
/*---------------------------------------------------------------------------*/
/*
* INTERFACES OTHER THAN 0, 1 AND 2 ARE UNEXPECTED
*/
/*---------------------------------------------------------------------------*/
-default: {
- JOM(4, "ERROR: unexpected interface %i\n", bInterfaceNumber);
- return -EINVAL;
-}
-}
-SAM("ends successfully for interface %i\n",
- pusb_interface_descriptor->bInterfaceNumber);
-return 0;
+ default: {
+ JOM(4, "ERROR: unexpected interface %i\n", bInterfaceNumber);
+ return -EINVAL;
+ }
+ }
+ SAM("ends successfully for interface %i\n",
+ pusb_interface_descriptor->bInterfaceNumber);
+ return 0;
}
/*****************************************************************************/
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
static void easycap_usb_disconnect(struct usb_interface *pusb_interface)
{
-struct usb_host_interface *pusb_host_interface;
-struct usb_interface_descriptor *pusb_interface_descriptor;
-u8 bInterfaceNumber;
-struct easycap *peasycap;
-
-struct list_head *plist_head;
-struct data_urb *pdata_urb;
-int minor, m, kd;
+ struct usb_host_interface *pusb_host_interface;
+ struct usb_interface_descriptor *pusb_interface_descriptor;
+ u8 bInterfaceNumber;
+ struct easycap *peasycap;
+
+ struct list_head *plist_head;
+ struct data_urb *pdata_urb;
+ int minor, m, kd;
/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
#ifdef EASYCAP_IS_VIDEODEV_CLIENT
#ifdef EASYCAP_NEEDS_V4L2_DEVICE_H
-struct v4l2_device *pv4l2_device;
+ struct v4l2_device *pv4l2_device;
#endif /*EASYCAP_NEEDS_V4L2_DEVICE_H*/
#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
-JOT(4, "\n");
+ JOT(4, "\n");
-if (NULL == pusb_interface) {
- JOT(4, "ERROR: pusb_interface is NULL\n");
- return;
-}
-pusb_host_interface = pusb_interface->cur_altsetting;
-if (NULL == pusb_host_interface) {
- JOT(4, "ERROR: pusb_host_interface is NULL\n");
- return;
-}
-pusb_interface_descriptor = &(pusb_host_interface->desc);
-if (NULL == pusb_interface_descriptor) {
- JOT(4, "ERROR: pusb_interface_descriptor is NULL\n");
- return;
-}
-bInterfaceNumber = pusb_interface_descriptor->bInterfaceNumber;
-minor = pusb_interface->minor;
-JOT(4, "intf[%i]: minor=%i\n", bInterfaceNumber, minor);
+ if (NULL == pusb_interface) {
+ JOT(4, "ERROR: pusb_interface is NULL\n");
+ return;
+ }
+ pusb_host_interface = pusb_interface->cur_altsetting;
+ if (NULL == pusb_host_interface) {
+ JOT(4, "ERROR: pusb_host_interface is NULL\n");
+ return;
+ }
+ pusb_interface_descriptor = &(pusb_host_interface->desc);
+ if (NULL == pusb_interface_descriptor) {
+ JOT(4, "ERROR: pusb_interface_descriptor is NULL\n");
+ return;
+ }
+ bInterfaceNumber = pusb_interface_descriptor->bInterfaceNumber;
+ minor = pusb_interface->minor;
+ JOT(4, "intf[%i]: minor=%i\n", bInterfaceNumber, minor);
-if (1 == bInterfaceNumber)
- return;
+ if (1 == bInterfaceNumber)
+ return;
-peasycap = usb_get_intfdata(pusb_interface);
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return;
-}
+ peasycap = usb_get_intfdata(pusb_interface);
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return;
+ }
/*---------------------------------------------------------------------------*/
#ifdef EASYCAP_IS_VIDEODEV_CLIENT
#ifdef EASYCAP_NEEDS_V4L2_DEVICE_H
* TO DETECT THIS, THE STRING IN THE easycap.telltale[] BUFFER IS CHECKED.
*/
/*---------------------------------------------------------------------------*/
-if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
- pv4l2_device = usb_get_intfdata(pusb_interface);
- if (NULL == pv4l2_device) {
- SAY("ERROR: pv4l2_device is NULL\n");
- return;
+ if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
+ pv4l2_device = usb_get_intfdata(pusb_interface);
+ if (NULL == pv4l2_device) {
+ SAY("ERROR: pv4l2_device is NULL\n");
+ return;
+ }
+ peasycap = (struct easycap *)
+ container_of(pv4l2_device, struct easycap, v4l2_device);
}
- peasycap = (struct easycap *)
- container_of(pv4l2_device, struct easycap, v4l2_device);
-}
#endif /*EASYCAP_NEEDS_V4L2_DEVICE_H*/
#
#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
/*---------------------------------------------------------------------------*/
-if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
- SAY("ERROR: bad peasycap: 0x%08lX\n", (unsigned long int) peasycap);
- return;
-}
+ if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
+ SAY("ERROR: bad peasycap: 0x%08lX\n", (unsigned long int) peasycap);
+ return;
+ }
/*---------------------------------------------------------------------------*/
/*
* IF THE WAIT QUEUES ARE NOT CLEARED A DEADLOCK IS POSSIBLE. BEWARE.
*/
/*---------------------------------------------------------------------------*/
-peasycap->video_eof = 1;
-peasycap->audio_eof = 1;
-wake_up_interruptible(&(peasycap->wq_video));
-wake_up_interruptible(&(peasycap->wq_audio));
-/*---------------------------------------------------------------------------*/
-switch (bInterfaceNumber) {
-case 0: {
- if (NULL != peasycap->purb_video_head) {
- JOM(4, "killing video urbs\n");
- m = 0;
- list_for_each(plist_head, (peasycap->purb_video_head))
- {
- pdata_urb = list_entry(plist_head,
- struct data_urb, list_head);
- if (NULL != pdata_urb) {
- if (NULL != pdata_urb->purb) {
- usb_kill_urb(pdata_urb->purb);
- m++;
+ peasycap->video_eof = 1;
+ peasycap->audio_eof = 1;
+ wake_up_interruptible(&(peasycap->wq_video));
+ wake_up_interruptible(&(peasycap->wq_audio));
+/*---------------------------------------------------------------------------*/
+ switch (bInterfaceNumber) {
+ case 0: {
+ if (NULL != peasycap->purb_video_head) {
+ JOM(4, "killing video urbs\n");
+ m = 0;
+ list_for_each(plist_head, (peasycap->purb_video_head))
+ {
+ pdata_urb = list_entry(plist_head,
+ struct data_urb, list_head);
+ if (NULL != pdata_urb) {
+ if (NULL != pdata_urb->purb) {
+ usb_kill_urb(pdata_urb->purb);
+ m++;
+ }
}
}
+ JOM(4, "%i video urbs killed\n", m);
}
- JOM(4, "%i video urbs killed\n", m);
+ break;
}
- break;
-}
/*---------------------------------------------------------------------------*/
-case 2: {
- if (NULL != peasycap->purb_audio_head) {
- JOM(4, "killing 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 (NULL != pdata_urb) {
- if (NULL != pdata_urb->purb) {
- usb_kill_urb(pdata_urb->purb);
- m++;
+ case 2: {
+ if (NULL != peasycap->purb_audio_head) {
+ JOM(4, "killing 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 (NULL != pdata_urb) {
+ if (NULL != pdata_urb->purb) {
+ usb_kill_urb(pdata_urb->purb);
+ m++;
+ }
}
}
+ JOM(4, "%i audio urbs killed\n", m);
}
- JOM(4, "%i audio urbs killed\n", m);
+ break;
}
- break;
-}
/*---------------------------------------------------------------------------*/
-default:
- break;
+ default:
+ break;
}
/*--------------------------------------------------------------------------*/
/*
projects / linux-beck.git / commitdiff