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-rw-r--r--drivers/media/usb/cx231xx/cx231xx-cards.c220
1 files changed, 114 insertions, 106 deletions
diff --git a/drivers/media/usb/cx231xx/cx231xx-cards.c b/drivers/media/usb/cx231xx/cx231xx-cards.c
index cd74310887af..75b24b711531 100644
--- a/drivers/media/usb/cx231xx/cx231xx-cards.c
+++ b/drivers/media/usb/cx231xx/cx231xx-cards.c
@@ -1115,6 +1115,117 @@ static void flush_request_modules(struct cx231xx *dev)
#define flush_request_modules(dev)
#endif /* CONFIG_MODULES */
+static int cx231xx_init_v4l2(struct cx231xx *dev,
+ struct usb_device *udev,
+ struct usb_interface *interface,
+ int isoc_pipe)
+{
+ struct usb_interface *uif;
+ int i, idx;
+
+ /* Video Init */
+
+ /* compute alternate max packet sizes for video */
+ idx = dev->current_pcb_config.hs_config_info[0].interface_info.video_index + 1;
+ if (idx >= dev->max_iad_interface_count) {
+ cx231xx_errdev("Video PCB interface #%d doesn't exist\n", idx);
+ return -ENODEV;
+ }
+
+ uif = udev->actconfig->interface[idx];
+
+ dev->video_mode.end_point_addr = uif->altsetting[0].endpoint[isoc_pipe].desc.bEndpointAddress;
+ dev->video_mode.num_alt = uif->num_altsetting;
+
+ cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
+ dev->video_mode.end_point_addr,
+ dev->video_mode.num_alt);
+
+ dev->video_mode.alt_max_pkt_size = devm_kmalloc_array(&udev->dev, 32, dev->video_mode.num_alt, GFP_KERNEL);
+ if (dev->video_mode.alt_max_pkt_size == NULL) {
+ cx231xx_errdev("out of memory!\n");
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < dev->video_mode.num_alt; i++) {
+ u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].desc.wMaxPacketSize);
+ dev->video_mode.alt_max_pkt_size[i] = (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
+ cx231xx_info("Alternate setting %i, max size= %i\n", i,
+ dev->video_mode.alt_max_pkt_size[i]);
+ }
+
+ /* VBI Init */
+
+ idx = dev->current_pcb_config.hs_config_info[0].interface_info.vanc_index + 1;
+ if (idx >= dev->max_iad_interface_count) {
+ cx231xx_errdev("VBI PCB interface #%d doesn't exist\n", idx);
+ return -ENODEV;
+ }
+ uif = udev->actconfig->interface[idx];
+
+ dev->vbi_mode.end_point_addr =
+ uif->altsetting[0].endpoint[isoc_pipe].desc.
+ bEndpointAddress;
+
+ dev->vbi_mode.num_alt = uif->num_altsetting;
+ cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
+ dev->vbi_mode.end_point_addr,
+ dev->vbi_mode.num_alt);
+
+ /* compute alternate max packet sizes for vbi */
+ dev->vbi_mode.alt_max_pkt_size = devm_kmalloc_array(&udev->dev, 32, dev->vbi_mode.num_alt, GFP_KERNEL);
+ if (dev->vbi_mode.alt_max_pkt_size == NULL) {
+ cx231xx_errdev("out of memory!\n");
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < dev->vbi_mode.num_alt; i++) {
+ u16 tmp =
+ le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
+ desc.wMaxPacketSize);
+ dev->vbi_mode.alt_max_pkt_size[i] =
+ (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
+ cx231xx_info("Alternate setting %i, max size= %i\n", i,
+ dev->vbi_mode.alt_max_pkt_size[i]);
+ }
+
+ /* Sliced CC VBI init */
+
+ /* compute alternate max packet sizes for sliced CC */
+ idx = dev->current_pcb_config.hs_config_info[0].interface_info.hanc_index + 1;
+ if (idx >= dev->max_iad_interface_count) {
+ cx231xx_errdev("Sliced CC PCB interface #%d doesn't exist\n", idx);
+ return -ENODEV;
+ }
+ uif = udev->actconfig->interface[idx];
+
+ dev->sliced_cc_mode.end_point_addr =
+ uif->altsetting[0].endpoint[isoc_pipe].desc.
+ bEndpointAddress;
+
+ dev->sliced_cc_mode.num_alt = uif->num_altsetting;
+ cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
+ dev->sliced_cc_mode.end_point_addr,
+ dev->sliced_cc_mode.num_alt);
+ dev->sliced_cc_mode.alt_max_pkt_size = devm_kmalloc_array(&udev->dev, 32, dev->sliced_cc_mode.num_alt, GFP_KERNEL);
+
+ if (dev->sliced_cc_mode.alt_max_pkt_size == NULL) {
+ cx231xx_errdev("out of memory!\n");
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < dev->sliced_cc_mode.num_alt; i++) {
+ u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
+ desc.wMaxPacketSize);
+ dev->sliced_cc_mode.alt_max_pkt_size[i] =
+ (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
+ cx231xx_info("Alternate setting %i, max size= %i\n", i,
+ dev->sliced_cc_mode.alt_max_pkt_size[i]);
+ }
+
+ return 0;
+}
+
/*
* cx231xx_usb_probe()
* checks for supported devices
@@ -1232,124 +1343,21 @@ static int cx231xx_usb_probe(struct usb_interface *interface,
/* save our data pointer in this interface device */
usb_set_intfdata(interface, dev);
- /*
- * AV device initialization - only done at the last interface
- */
-
/* Create v4l2 device */
retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev);
if (retval) {
cx231xx_errdev("v4l2_device_register failed\n");
- retval = -EIO;
goto err_v4l2;
}
+
/* allocate device struct */
retval = cx231xx_init_dev(dev, udev, nr);
if (retval)
goto err_init;
- /* compute alternate max packet sizes for video */
- idx = dev->current_pcb_config.hs_config_info[0].interface_info.video_index + 1;
- if (idx >= dev->max_iad_interface_count) {
- cx231xx_errdev("Video PCB interface #%d doesn't exist\n", idx);
- retval = -ENODEV;
+ retval = cx231xx_init_v4l2(dev, udev, interface, isoc_pipe);
+ if (retval)
goto err_init;
- }
- uif = udev->actconfig->interface[idx];
-
- dev->video_mode.end_point_addr = uif->altsetting[0].
- endpoint[isoc_pipe].desc.bEndpointAddress;
-
- dev->video_mode.num_alt = uif->num_altsetting;
- cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
- dev->video_mode.end_point_addr,
- dev->video_mode.num_alt);
-
- dev->video_mode.alt_max_pkt_size = devm_kmalloc_array(&udev->dev, 32, dev->video_mode.num_alt, GFP_KERNEL);
- if (dev->video_mode.alt_max_pkt_size == NULL) {
- cx231xx_errdev("out of memory!\n");
- retval = -ENOMEM;
- goto err_video_alt;
- }
-
- for (i = 0; i < dev->video_mode.num_alt; i++) {
- u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
- desc.wMaxPacketSize);
- dev->video_mode.alt_max_pkt_size[i] =
- (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
- cx231xx_info("Alternate setting %i, max size= %i\n", i,
- dev->video_mode.alt_max_pkt_size[i]);
- }
-
- /* compute alternate max packet sizes for vbi */
-
- idx = dev->current_pcb_config.hs_config_info[0].interface_info.vanc_index + 1;
- if (idx >= dev->max_iad_interface_count) {
- cx231xx_errdev("VBI PCB interface #%d doesn't exist\n", idx);
- retval = -ENODEV;
- goto err_video_alt;
- }
- uif = udev->actconfig->interface[idx];
-
- dev->vbi_mode.end_point_addr =
- uif->altsetting[0].endpoint[isoc_pipe].desc.
- bEndpointAddress;
-
- dev->vbi_mode.num_alt = uif->num_altsetting;
- cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
- dev->vbi_mode.end_point_addr,
- dev->vbi_mode.num_alt);
-
- dev->vbi_mode.alt_max_pkt_size = devm_kmalloc_array(&udev->dev, 32, dev->vbi_mode.num_alt, GFP_KERNEL);
- if (dev->vbi_mode.alt_max_pkt_size == NULL) {
- cx231xx_errdev("out of memory!\n");
- retval = -ENOMEM;
- goto err_video_alt;
- }
-
- for (i = 0; i < dev->vbi_mode.num_alt; i++) {
- u16 tmp =
- le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
- desc.wMaxPacketSize);
- dev->vbi_mode.alt_max_pkt_size[i] =
- (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
- cx231xx_info("Alternate setting %i, max size= %i\n", i,
- dev->vbi_mode.alt_max_pkt_size[i]);
- }
-
- /* compute alternate max packet sizes for sliced CC */
- idx = dev->current_pcb_config.hs_config_info[0].interface_info.hanc_index + 1;
- if (idx >= dev->max_iad_interface_count) {
- cx231xx_errdev("Sliced CC PCB interface #%d doesn't exist\n", idx);
- retval = -ENODEV;
- goto err_video_alt;
- }
- uif = udev->actconfig->interface[idx];
-
- dev->sliced_cc_mode.end_point_addr =
- uif->altsetting[0].endpoint[isoc_pipe].desc.
- bEndpointAddress;
-
- dev->sliced_cc_mode.num_alt = uif->num_altsetting;
- cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
- dev->sliced_cc_mode.end_point_addr,
- dev->sliced_cc_mode.num_alt);
- dev->sliced_cc_mode.alt_max_pkt_size = devm_kmalloc_array(&udev->dev, 32, dev->sliced_cc_mode.num_alt, GFP_KERNEL);
-
- if (dev->sliced_cc_mode.alt_max_pkt_size == NULL) {
- cx231xx_errdev("out of memory!\n");
- retval = -ENOMEM;
- goto err_video_alt;
- }
-
- for (i = 0; i < dev->sliced_cc_mode.num_alt; i++) {
- u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
- desc.wMaxPacketSize);
- dev->sliced_cc_mode.alt_max_pkt_size[i] =
- (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
- cx231xx_info("Alternate setting %i, max size= %i\n", i,
- dev->sliced_cc_mode.alt_max_pkt_size[i]);
- }
if (dev->current_pcb_config.ts1_source != 0xff) {
/* compute alternate max packet sizes for TS1 */
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-10 18:28:11 +0000