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-rw-r--r--drivers/media/usb/uvc/uvc_isight.c6
-rw-r--r--drivers/media/usb/uvc/uvc_video.c26
-rw-r--r--drivers/media/usb/uvc/uvcvideo.h8
3 files changed, 27 insertions, 13 deletions
diff --git a/drivers/media/usb/uvc/uvc_isight.c b/drivers/media/usb/uvc/uvc_isight.c
index 81e6f2187bfb..39a4e4482b23 100644
--- a/drivers/media/usb/uvc/uvc_isight.c
+++ b/drivers/media/usb/uvc/uvc_isight.c
@@ -99,9 +99,11 @@ static int isight_decode(struct uvc_video_queue *queue, struct uvc_buffer *buf,
return 0;
}
-void uvc_video_decode_isight(struct urb *urb, struct uvc_streaming *stream,
- struct uvc_buffer *buf, struct uvc_buffer *meta_buf)
+void uvc_video_decode_isight(struct uvc_urb *uvc_urb, struct uvc_buffer *buf,
+ struct uvc_buffer *meta_buf)
{
+ struct urb *urb = uvc_urb->urb;
+ struct uvc_streaming *stream = uvc_urb->stream;
int ret, i;
for (i = 0; i < urb->number_of_packets; ++i) {
diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
index 113881bed2a4..6d4384695964 100644
--- a/drivers/media/usb/uvc/uvc_video.c
+++ b/drivers/media/usb/uvc/uvc_video.c
@@ -1291,9 +1291,11 @@ static void uvc_video_next_buffers(struct uvc_streaming *stream,
*video_buf = uvc_queue_next_buffer(&stream->queue, *video_buf);
}
-static void uvc_video_decode_isoc(struct urb *urb, struct uvc_streaming *stream,
+static void uvc_video_decode_isoc(struct uvc_urb *uvc_urb,
struct uvc_buffer *buf, struct uvc_buffer *meta_buf)
{
+ struct urb *urb = uvc_urb->urb;
+ struct uvc_streaming *stream = uvc_urb->stream;
u8 *mem;
int ret, i;
@@ -1334,9 +1336,11 @@ static void uvc_video_decode_isoc(struct urb *urb, struct uvc_streaming *stream,
}
}
-static void uvc_video_decode_bulk(struct urb *urb, struct uvc_streaming *stream,
+static void uvc_video_decode_bulk(struct uvc_urb *uvc_urb,
struct uvc_buffer *buf, struct uvc_buffer *meta_buf)
{
+ struct urb *urb = uvc_urb->urb;
+ struct uvc_streaming *stream = uvc_urb->stream;
u8 *mem;
int len, ret;
@@ -1402,9 +1406,12 @@ static void uvc_video_decode_bulk(struct urb *urb, struct uvc_streaming *stream,
}
}
-static void uvc_video_encode_bulk(struct urb *urb, struct uvc_streaming *stream,
+static void uvc_video_encode_bulk(struct uvc_urb *uvc_urb,
struct uvc_buffer *buf, struct uvc_buffer *meta_buf)
{
+ struct urb *urb = uvc_urb->urb;
+ struct uvc_streaming *stream = uvc_urb->stream;
+
u8 *mem = urb->transfer_buffer;
int len = stream->urb_size, ret;
@@ -1447,7 +1454,8 @@ static void uvc_video_encode_bulk(struct urb *urb, struct uvc_streaming *stream,
static void uvc_video_complete(struct urb *urb)
{
- struct uvc_streaming *stream = urb->context;
+ struct uvc_urb *uvc_urb = urb->context;
+ struct uvc_streaming *stream = uvc_urb->stream;
struct uvc_video_queue *queue = &stream->queue;
struct uvc_video_queue *qmeta = &stream->meta.queue;
struct vb2_queue *vb2_qmeta = stream->meta.vdev.queue;
@@ -1490,7 +1498,7 @@ static void uvc_video_complete(struct urb *urb)
spin_unlock_irqrestore(&qmeta->irqlock, flags);
}
- stream->decode(urb, stream, buf, buf_meta);
+ stream->decode(uvc_urb, buf, buf_meta);
if ((ret = usb_submit_urb(urb, GFP_ATOMIC)) < 0) {
uvc_printk(KERN_ERR, "Failed to resubmit video URB (%d).\n",
@@ -1568,6 +1576,8 @@ static int uvc_alloc_urb_buffers(struct uvc_streaming *stream,
uvc_free_urb_buffers(stream);
break;
}
+
+ uvc_urb->stream = stream;
}
if (i == UVC_URBS) {
@@ -1666,7 +1676,7 @@ static int uvc_init_video_isoc(struct uvc_streaming *stream,
}
urb->dev = stream->dev->udev;
- urb->context = stream;
+ urb->context = uvc_urb;
urb->pipe = usb_rcvisocpipe(stream->dev->udev,
ep->desc.bEndpointAddress);
#ifndef CONFIG_DMA_NONCOHERENT
@@ -1733,8 +1743,8 @@ static int uvc_init_video_bulk(struct uvc_streaming *stream,
return -ENOMEM;
}
- usb_fill_bulk_urb(urb, stream->dev->udev, pipe, uvc_urb->buffer,
- size, uvc_video_complete, stream);
+ usb_fill_bulk_urb(urb, stream->dev->udev, pipe, uvc_urb->buffer,
+ size, uvc_video_complete, uvc_urb);
#ifndef CONFIG_DMA_NONCOHERENT
urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
urb->transfer_dma = uvc_urb->dma;
diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
index 81f29b9e4118..35ba48769244 100644
--- a/drivers/media/usb/uvc/uvcvideo.h
+++ b/drivers/media/usb/uvc/uvcvideo.h
@@ -494,11 +494,13 @@ struct uvc_stats_stream {
* struct uvc_urb - URB context management structure
*
* @urb: the URB described by this context structure
+ * @stream: UVC streaming context
* @buffer: memory storage for the URB
* @dma: DMA coherent addressing for the urb_buffer
*/
struct uvc_urb {
struct urb *urb;
+ struct uvc_streaming *stream;
char *buffer;
dma_addr_t dma;
@@ -534,8 +536,8 @@ struct uvc_streaming {
/* Buffers queue. */
unsigned int frozen : 1;
struct uvc_video_queue queue;
- void (*decode) (struct urb *urb, struct uvc_streaming *video,
- struct uvc_buffer *buf, struct uvc_buffer *meta_buf);
+ void (*decode)(struct uvc_urb *uvc_urb, struct uvc_buffer *buf,
+ struct uvc_buffer *meta_buf);
struct {
struct video_device vdev;
@@ -822,7 +824,7 @@ struct usb_host_endpoint *uvc_find_endpoint(struct usb_host_interface *alts,
u8 epaddr);
/* Quirks support */
-void uvc_video_decode_isight(struct urb *urb, struct uvc_streaming *stream,
+void uvc_video_decode_isight(struct uvc_urb *uvc_urb,
struct uvc_buffer *buf,
struct uvc_buffer *meta_buf);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 12:22:01 +0100