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path: root/drivers/media/platform/xilinx/xilinx-dma.c
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Diffstat (limited to 'drivers/media/platform/xilinx/xilinx-dma.c')
-rw-r--r--drivers/media/platform/xilinx/xilinx-dma.c69
1 files changed, 25 insertions, 44 deletions
diff --git a/drivers/media/platform/xilinx/xilinx-dma.c b/drivers/media/platform/xilinx/xilinx-dma.c
index 338c3661d809..fcfe0883aba5 100644
--- a/drivers/media/platform/xilinx/xilinx-dma.c
+++ b/drivers/media/platform/xilinx/xilinx-dma.c
@@ -44,7 +44,7 @@ xvip_dma_remote_subdev(struct media_pad *local, u32 *pad)
{
struct media_pad *remote;
- remote = media_entity_remote_pad(local);
+ remote = media_pad_remote_pad_first(local);
if (!remote || !is_media_entity_v4l2_subdev(remote->entity))
return NULL;
@@ -56,7 +56,9 @@ xvip_dma_remote_subdev(struct media_pad *local, u32 *pad)
static int xvip_dma_verify_format(struct xvip_dma *dma)
{
- struct v4l2_subdev_format fmt;
+ struct v4l2_subdev_format fmt = {
+ .which = V4L2_SUBDEV_FORMAT_ACTIVE,
+ };
struct v4l2_subdev *subdev;
int ret;
@@ -64,7 +66,6 @@ static int xvip_dma_verify_format(struct xvip_dma *dma)
if (subdev == NULL)
return -EPIPE;
- fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
ret = v4l2_subdev_call(subdev, pad, get_fmt, NULL, &fmt);
if (ret < 0)
return ret == -ENOIOCTLCMD ? -EINVAL : ret;
@@ -107,7 +108,7 @@ static int xvip_pipeline_start_stop(struct xvip_pipeline *pipe, bool start)
if (!(pad->flags & MEDIA_PAD_FL_SINK))
break;
- pad = media_entity_remote_pad(pad);
+ pad = media_pad_remote_pad_first(pad);
if (!pad || !is_media_entity_v4l2_subdev(pad->entity))
break;
@@ -173,31 +174,19 @@ done:
static int xvip_pipeline_validate(struct xvip_pipeline *pipe,
struct xvip_dma *start)
{
- struct media_graph graph;
- struct media_entity *entity = &start->video.entity;
- struct media_device *mdev = entity->graph_obj.mdev;
+ struct media_pipeline_pad_iter iter;
unsigned int num_inputs = 0;
unsigned int num_outputs = 0;
- int ret;
-
- mutex_lock(&mdev->graph_mutex);
-
- /* Walk the graph to locate the video nodes. */
- ret = media_graph_walk_init(&graph, mdev);
- if (ret) {
- mutex_unlock(&mdev->graph_mutex);
- return ret;
- }
-
- media_graph_walk_start(&graph, entity);
+ struct media_pad *pad;
- while ((entity = media_graph_walk_next(&graph))) {
+ /* Locate the video nodes in the pipeline. */
+ media_pipeline_for_each_pad(&pipe->pipe, &iter, pad) {
struct xvip_dma *dma;
- if (entity->function != MEDIA_ENT_F_IO_V4L)
+ if (pad->entity->function != MEDIA_ENT_F_IO_V4L)
continue;
- dma = to_xvip_dma(media_entity_to_video_device(entity));
+ dma = to_xvip_dma(media_entity_to_video_device(pad->entity));
if (dma->pad.flags & MEDIA_PAD_FL_SINK) {
pipe->output = dma;
@@ -207,10 +196,6 @@ static int xvip_pipeline_validate(struct xvip_pipeline *pipe,
}
}
- mutex_unlock(&mdev->graph_mutex);
-
- media_graph_walk_cleanup(&graph);
-
/* We need exactly one output and zero or one input. */
if (num_outputs != 1 || num_inputs > 1)
return -EPIPE;
@@ -363,8 +348,8 @@ static void xvip_dma_buffer_queue(struct vb2_buffer *vb)
}
dma->xt.frame_size = 1;
- dma->sgl[0].size = dma->format.width * dma->fmtinfo->bpp;
- dma->sgl[0].icg = dma->format.bytesperline - dma->sgl[0].size;
+ dma->sgl.size = dma->format.width * dma->fmtinfo->bpp;
+ dma->sgl.icg = dma->format.bytesperline - dma->sgl.size;
dma->xt.numf = dma->format.height;
desc = dmaengine_prep_interleaved_dma(dma->dma, &dma->xt, flags);
@@ -402,10 +387,9 @@ static int xvip_dma_start_streaming(struct vb2_queue *vq, unsigned int count)
* Use the pipeline object embedded in the first DMA object that starts
* streaming.
*/
- pipe = dma->video.entity.pipe
- ? to_xvip_pipeline(&dma->video.entity) : &dma->pipe;
+ pipe = to_xvip_pipeline(&dma->video) ? : &dma->pipe;
- ret = media_pipeline_start(&dma->video.entity, &pipe->pipe);
+ ret = video_device_pipeline_start(&dma->video, &pipe->pipe);
if (ret < 0)
goto error;
@@ -431,7 +415,7 @@ static int xvip_dma_start_streaming(struct vb2_queue *vq, unsigned int count)
return 0;
error_stop:
- media_pipeline_stop(&dma->video.entity);
+ video_device_pipeline_stop(&dma->video);
error:
/* Give back all queued buffers to videobuf2. */
@@ -448,7 +432,7 @@ error:
static void xvip_dma_stop_streaming(struct vb2_queue *vq)
{
struct xvip_dma *dma = vb2_get_drv_priv(vq);
- struct xvip_pipeline *pipe = to_xvip_pipeline(&dma->video.entity);
+ struct xvip_pipeline *pipe = to_xvip_pipeline(&dma->video);
struct xvip_dma_buffer *buf, *nbuf;
/* Stop the pipeline. */
@@ -459,7 +443,7 @@ static void xvip_dma_stop_streaming(struct vb2_queue *vq)
/* Cleanup the pipeline and mark it as being stopped. */
xvip_pipeline_cleanup(pipe);
- media_pipeline_stop(&dma->video.entity);
+ video_device_pipeline_stop(&dma->video);
/* Give back all queued buffers to videobuf2. */
spin_lock_irq(&dma->queued_lock);
@@ -474,8 +458,6 @@ static const struct vb2_ops xvip_dma_queue_qops = {
.queue_setup = xvip_dma_queue_setup,
.buf_prepare = xvip_dma_buffer_prepare,
.buf_queue = xvip_dma_buffer_queue,
- .wait_prepare = vb2_ops_wait_prepare,
- .wait_finish = vb2_ops_wait_finish,
.start_streaming = xvip_dma_start_streaming,
.stop_streaming = xvip_dma_stop_streaming,
};
@@ -487,7 +469,7 @@ static const struct vb2_ops xvip_dma_queue_qops = {
static int
xvip_dma_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
{
- struct v4l2_fh *vfh = file->private_data;
+ struct v4l2_fh *vfh = file_to_v4l2_fh(file);
struct xvip_dma *dma = to_xvip_dma(vfh->vdev);
cap->capabilities = dma->xdev->v4l2_caps | V4L2_CAP_STREAMING |
@@ -509,7 +491,7 @@ xvip_dma_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
static int
xvip_dma_enum_format(struct file *file, void *fh, struct v4l2_fmtdesc *f)
{
- struct v4l2_fh *vfh = file->private_data;
+ struct v4l2_fh *vfh = file_to_v4l2_fh(file);
struct xvip_dma *dma = to_xvip_dma(vfh->vdev);
if (f->index > 0)
@@ -523,7 +505,7 @@ xvip_dma_enum_format(struct file *file, void *fh, struct v4l2_fmtdesc *f)
static int
xvip_dma_get_format(struct file *file, void *fh, struct v4l2_format *format)
{
- struct v4l2_fh *vfh = file->private_data;
+ struct v4l2_fh *vfh = file_to_v4l2_fh(file);
struct xvip_dma *dma = to_xvip_dma(vfh->vdev);
format->fmt.pix = dma->format;
@@ -583,7 +565,7 @@ __xvip_dma_try_format(struct xvip_dma *dma, struct v4l2_pix_format *pix,
static int
xvip_dma_try_format(struct file *file, void *fh, struct v4l2_format *format)
{
- struct v4l2_fh *vfh = file->private_data;
+ struct v4l2_fh *vfh = file_to_v4l2_fh(file);
struct xvip_dma *dma = to_xvip_dma(vfh->vdev);
__xvip_dma_try_format(dma, &format->fmt.pix, NULL);
@@ -593,7 +575,7 @@ xvip_dma_try_format(struct file *file, void *fh, struct v4l2_format *format)
static int
xvip_dma_set_format(struct file *file, void *fh, struct v4l2_format *format)
{
- struct v4l2_fh *vfh = file->private_data;
+ struct v4l2_fh *vfh = file_to_v4l2_fh(file);
struct xvip_dma *dma = to_xvip_dma(vfh->vdev);
const struct xvip_video_format *info;
@@ -724,9 +706,8 @@ int xvip_dma_init(struct xvip_composite_device *xdev, struct xvip_dma *dma,
snprintf(name, sizeof(name), "port%u", port);
dma->dma = dma_request_chan(dma->xdev->dev, name);
if (IS_ERR(dma->dma)) {
- ret = PTR_ERR(dma->dma);
- if (ret != -EPROBE_DEFER)
- dev_err(dma->xdev->dev, "no VDMA channel found\n");
+ ret = dev_err_probe(dma->xdev->dev, PTR_ERR(dma->dma),
+ "no VDMA channel found\n");
goto error;
}