summaryrefslogtreecommitdiff
path: root/drivers/media/usb/uvc
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/usb/uvc')
-rw-r--r--drivers/media/usb/uvc/uvc_driver.c3
-rw-r--r--drivers/media/usb/uvc/uvc_queue.c29
-rw-r--r--drivers/media/usb/uvc/uvc_video.c23
-rw-r--r--drivers/media/usb/uvc/uvcvideo.h7
4 files changed, 37 insertions, 25 deletions
diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index 4b5b3e8fb..d11fd6ac2 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -32,6 +32,7 @@
#define DRIVER_DESC "USB Video Class driver"
unsigned int uvc_clock_param = CLOCK_MONOTONIC;
+unsigned int uvc_hw_timestamps_param;
unsigned int uvc_no_drop_param;
static unsigned int uvc_quirks_param = -1;
unsigned int uvc_trace_param;
@@ -2078,6 +2079,8 @@ static int uvc_clock_param_set(const char *val, struct kernel_param *kp)
module_param_call(clock, uvc_clock_param_set, uvc_clock_param_get,
&uvc_clock_param, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(clock, "Video buffers timestamp clock");
+module_param_named(hwtimestamps, uvc_hw_timestamps_param, uint, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(hwtimestamps, "Use hardware timestamps");
module_param_named(nodrop, uvc_no_drop_param, uint, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(nodrop, "Don't drop incomplete frames");
module_param_named(quirks, uvc_quirks_param, uint, S_IRUGO|S_IWUSR);
diff --git a/drivers/media/usb/uvc/uvc_queue.c b/drivers/media/usb/uvc/uvc_queue.c
index f16b9b426..cfb868a48 100644
--- a/drivers/media/usb/uvc/uvc_queue.c
+++ b/drivers/media/usb/uvc/uvc_queue.c
@@ -20,6 +20,7 @@
#include <linux/videodev2.h>
#include <linux/vmalloc.h>
#include <linux/wait.h>
+#include <media/videobuf2-v4l2.h>
#include <media/videobuf2-vmalloc.h>
#include "uvcvideo.h"
@@ -60,7 +61,7 @@ static void uvc_queue_return_buffers(struct uvc_video_queue *queue,
queue);
list_del(&buf->queue);
buf->state = state;
- vb2_buffer_done(&buf->buf, vb2_state);
+ vb2_buffer_done(&buf->buf.vb2_buf, vb2_state);
}
}
@@ -68,10 +69,11 @@ static void uvc_queue_return_buffers(struct uvc_video_queue *queue,
* videobuf2 queue operations
*/
-static int uvc_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
+static int uvc_queue_setup(struct vb2_queue *vq, const void *parg,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
+ const struct v4l2_format *fmt = parg;
struct uvc_video_queue *queue = vb2_get_drv_priv(vq);
struct uvc_streaming *stream = uvc_queue_to_stream(queue);
@@ -89,10 +91,11 @@ static int uvc_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
static int uvc_buffer_prepare(struct vb2_buffer *vb)
{
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue);
- struct uvc_buffer *buf = container_of(vb, struct uvc_buffer, buf);
+ struct uvc_buffer *buf = container_of(vbuf, struct uvc_buffer, buf);
- if (vb->v4l2_buf.type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
+ if (vb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0)) {
uvc_trace(UVC_TRACE_CAPTURE, "[E] Bytes used out of bounds.\n");
return -EINVAL;
@@ -105,7 +108,7 @@ static int uvc_buffer_prepare(struct vb2_buffer *vb)
buf->error = 0;
buf->mem = vb2_plane_vaddr(vb, 0);
buf->length = vb2_plane_size(vb, 0);
- if (vb->v4l2_buf.type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
buf->bytesused = 0;
else
buf->bytesused = vb2_get_plane_payload(vb, 0);
@@ -115,8 +118,9 @@ static int uvc_buffer_prepare(struct vb2_buffer *vb)
static void uvc_buffer_queue(struct vb2_buffer *vb)
{
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue);
- struct uvc_buffer *buf = container_of(vb, struct uvc_buffer, buf);
+ struct uvc_buffer *buf = container_of(vbuf, struct uvc_buffer, buf);
unsigned long flags;
spin_lock_irqsave(&queue->irqlock, flags);
@@ -127,7 +131,7 @@ static void uvc_buffer_queue(struct vb2_buffer *vb)
* directly. The next QBUF call will fail with -ENODEV.
*/
buf->state = UVC_BUF_STATE_ERROR;
- vb2_buffer_done(&buf->buf, VB2_BUF_STATE_ERROR);
+ vb2_buffer_done(vb, VB2_BUF_STATE_ERROR);
}
spin_unlock_irqrestore(&queue->irqlock, flags);
@@ -135,12 +139,13 @@ static void uvc_buffer_queue(struct vb2_buffer *vb)
static void uvc_buffer_finish(struct vb2_buffer *vb)
{
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue);
struct uvc_streaming *stream = uvc_queue_to_stream(queue);
- struct uvc_buffer *buf = container_of(vb, struct uvc_buffer, buf);
+ struct uvc_buffer *buf = container_of(vbuf, struct uvc_buffer, buf);
if (vb->state == VB2_BUF_STATE_DONE)
- uvc_video_clock_update(stream, &vb->v4l2_buf, buf);
+ uvc_video_clock_update(stream, vbuf, buf);
}
static int uvc_start_streaming(struct vb2_queue *vq, unsigned int count)
@@ -398,7 +403,7 @@ struct uvc_buffer *uvc_queue_next_buffer(struct uvc_video_queue *queue,
buf->error = 0;
buf->state = UVC_BUF_STATE_QUEUED;
buf->bytesused = 0;
- vb2_set_plane_payload(&buf->buf, 0, 0);
+ vb2_set_plane_payload(&buf->buf.vb2_buf, 0, 0);
return buf;
}
@@ -412,8 +417,8 @@ struct uvc_buffer *uvc_queue_next_buffer(struct uvc_video_queue *queue,
spin_unlock_irqrestore(&queue->irqlock, flags);
buf->state = buf->error ? VB2_BUF_STATE_ERROR : UVC_BUF_STATE_DONE;
- vb2_set_plane_payload(&buf->buf, 0, buf->bytesused);
- vb2_buffer_done(&buf->buf, VB2_BUF_STATE_DONE);
+ vb2_set_plane_payload(&buf->buf.vb2_buf, 0, buf->bytesused);
+ vb2_buffer_done(&buf->buf.vb2_buf, VB2_BUF_STATE_DONE);
return nextbuf;
}
diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
index f839654ea..2b276ab77 100644
--- a/drivers/media/usb/uvc/uvc_video.c
+++ b/drivers/media/usb/uvc/uvc_video.c
@@ -606,7 +606,7 @@ static u16 uvc_video_clock_host_sof(const struct uvc_clock_sample *sample)
* timestamp of the sliding window to 1s.
*/
void uvc_video_clock_update(struct uvc_streaming *stream,
- struct v4l2_buffer *v4l2_buf,
+ struct vb2_v4l2_buffer *vbuf,
struct uvc_buffer *buf)
{
struct uvc_clock *clock = &stream->clock;
@@ -623,6 +623,9 @@ void uvc_video_clock_update(struct uvc_streaming *stream,
u32 rem;
u64 y;
+ if (!uvc_hw_timestamps_param)
+ return;
+
spin_lock_irqsave(&clock->lock, flags);
if (clock->count < clock->size)
@@ -696,14 +699,14 @@ void uvc_video_clock_update(struct uvc_streaming *stream,
stream->dev->name,
sof >> 16, div_u64(((u64)sof & 0xffff) * 1000000LLU, 65536),
y, ts.tv_sec, ts.tv_nsec / NSEC_PER_USEC,
- v4l2_buf->timestamp.tv_sec,
- (unsigned long)v4l2_buf->timestamp.tv_usec,
+ vbuf->timestamp.tv_sec,
+ (unsigned long)vbuf->timestamp.tv_usec,
x1, first->host_sof, first->dev_sof,
x2, last->host_sof, last->dev_sof, y1, y2);
/* Update the V4L2 buffer. */
- v4l2_buf->timestamp.tv_sec = ts.tv_sec;
- v4l2_buf->timestamp.tv_usec = ts.tv_nsec / NSEC_PER_USEC;
+ vbuf->timestamp.tv_sec = ts.tv_sec;
+ vbuf->timestamp.tv_usec = ts.tv_nsec / NSEC_PER_USEC;
done:
spin_unlock_irqrestore(&stream->clock.lock, flags);
@@ -1029,10 +1032,10 @@ static int uvc_video_decode_start(struct uvc_streaming *stream,
uvc_video_get_ts(&ts);
- buf->buf.v4l2_buf.field = V4L2_FIELD_NONE;
- buf->buf.v4l2_buf.sequence = stream->sequence;
- buf->buf.v4l2_buf.timestamp.tv_sec = ts.tv_sec;
- buf->buf.v4l2_buf.timestamp.tv_usec =
+ buf->buf.field = V4L2_FIELD_NONE;
+ buf->buf.sequence = stream->sequence;
+ buf->buf.timestamp.tv_sec = ts.tv_sec;
+ buf->buf.timestamp.tv_usec =
ts.tv_nsec / NSEC_PER_USEC;
/* TODO: Handle PTS and SCR. */
@@ -1305,7 +1308,7 @@ static void uvc_video_encode_bulk(struct urb *urb, struct uvc_streaming *stream,
if (buf->bytesused == stream->queue.buf_used) {
stream->queue.buf_used = 0;
buf->state = UVC_BUF_STATE_READY;
- buf->buf.v4l2_buf.sequence = ++stream->sequence;
+ buf->buf.sequence = ++stream->sequence;
uvc_queue_next_buffer(&stream->queue, buf);
stream->last_fid ^= UVC_STREAM_FID;
}
diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
index 816dd1a0f..f0f2391e1 100644
--- a/drivers/media/usb/uvc/uvcvideo.h
+++ b/drivers/media/usb/uvc/uvcvideo.h
@@ -15,7 +15,7 @@
#include <media/v4l2-device.h>
#include <media/v4l2-event.h>
#include <media/v4l2-fh.h>
-#include <media/videobuf2-core.h>
+#include <media/videobuf2-v4l2.h>
/* --------------------------------------------------------------------------
* UVC constants
@@ -354,7 +354,7 @@ enum uvc_buffer_state {
};
struct uvc_buffer {
- struct vb2_buffer buf;
+ struct vb2_v4l2_buffer buf;
struct list_head queue;
enum uvc_buffer_state state;
@@ -593,6 +593,7 @@ extern unsigned int uvc_clock_param;
extern unsigned int uvc_no_drop_param;
extern unsigned int uvc_trace_param;
extern unsigned int uvc_timeout_param;
+extern unsigned int uvc_hw_timestamps_param;
#define uvc_trace(flag, msg...) \
do { \
@@ -673,7 +674,7 @@ extern int uvc_probe_video(struct uvc_streaming *stream,
extern int uvc_query_ctrl(struct uvc_device *dev, __u8 query, __u8 unit,
__u8 intfnum, __u8 cs, void *data, __u16 size);
void uvc_video_clock_update(struct uvc_streaming *stream,
- struct v4l2_buffer *v4l2_buf,
+ struct vb2_v4l2_buffer *vbuf,
struct uvc_buffer *buf);
/* Status */
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-03 11:46:31 +0000