Use the mem2mem helpers introduced to get rid of some duplicated code.
Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
---
drivers/media/platform/coda.c | 113 ++++++------------------------------------
1 file changed, 14 insertions(+), 99 deletions(-)
diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c
index 6e327e1..8e2c912 100644
--- a/drivers/media/platform/coda.c
+++ b/drivers/media/platform/coda.c
@@ -780,22 +780,6 @@ static int coda_s_fmt_vid_out(struct file *file, void *priv,
return ret;
}
-static int coda_reqbufs(struct file *file, void *priv,
- struct v4l2_requestbuffers *reqbufs)
-{
- struct coda_ctx *ctx = fh_to_ctx(priv);
-
- return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs);
-}
-
-static int coda_querybuf(struct file *file, void *priv,
- struct v4l2_buffer *buf)
-{
- struct coda_ctx *ctx = fh_to_ctx(priv);
-
- return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf);
-}
-
static int coda_qbuf(struct file *file, void *priv,
struct v4l2_buffer *buf)
{
@@ -804,14 +788,6 @@ static int coda_qbuf(struct file *file, void *priv,
return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf);
}
-static int coda_expbuf(struct file *file, void *priv,
- struct v4l2_exportbuffer *eb)
-{
- struct coda_ctx *ctx = fh_to_ctx(priv);
-
- return v4l2_m2m_expbuf(file, ctx->m2m_ctx, eb);
-}
-
static bool coda_buf_is_end_of_stream(struct coda_ctx *ctx,
struct v4l2_buffer *buf)
{
@@ -844,40 +820,6 @@ static int coda_dqbuf(struct file *file, void *priv,
return ret;
}
-static int coda_create_bufs(struct file *file, void *priv,
- struct v4l2_create_buffers *create)
-{
- struct coda_ctx *ctx = fh_to_ctx(priv);
-
- return v4l2_m2m_create_bufs(file, ctx->m2m_ctx, create);
-}
-
-static int coda_streamon(struct file *file, void *priv,
- enum v4l2_buf_type type)
-{
- struct coda_ctx *ctx = fh_to_ctx(priv);
-
- return v4l2_m2m_streamon(file, ctx->m2m_ctx, type);
-}
-
-static int coda_streamoff(struct file *file, void *priv,
- enum v4l2_buf_type type)
-{
- struct coda_ctx *ctx = fh_to_ctx(priv);
- int ret;
-
- /*
- * This indirectly calls __vb2_queue_cancel, which dequeues all buffers.
- * We therefore have to lock it against running hardware in this context,
- * which still needs the buffers.
- */
- mutex_lock(&ctx->buffer_mutex);
- ret = v4l2_m2m_streamoff(file, ctx->m2m_ctx, type);
- mutex_unlock(&ctx->buffer_mutex);
-
- return ret;
-}
-
static int coda_g_selection(struct file *file, void *fh,
struct v4l2_selection *s)
{
@@ -989,16 +931,16 @@ static const struct v4l2_ioctl_ops coda_ioctl_ops = {
.vidioc_try_fmt_vid_out = coda_try_fmt_vid_out,
.vidioc_s_fmt_vid_out = coda_s_fmt_vid_out,
- .vidioc_reqbufs = coda_reqbufs,
- .vidioc_querybuf = coda_querybuf,
+ .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
+ .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
.vidioc_qbuf = coda_qbuf,
- .vidioc_expbuf = coda_expbuf,
+ .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
.vidioc_dqbuf = coda_dqbuf,
- .vidioc_create_bufs = coda_create_bufs,
+ .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
- .vidioc_streamon = coda_streamon,
- .vidioc_streamoff = coda_streamoff,
+ .vidioc_streamon = v4l2_m2m_ioctl_streamon,
+ .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
.vidioc_g_selection = coda_g_selection,
@@ -1677,18 +1619,6 @@ static void coda_buf_queue(struct vb2_buffer *vb)
}
}
-static void coda_wait_prepare(struct vb2_queue *q)
-{
- struct coda_ctx *ctx = vb2_get_drv_priv(q);
- coda_unlock(ctx);
-}
-
-static void coda_wait_finish(struct vb2_queue *q)
-{
- struct coda_ctx *ctx = vb2_get_drv_priv(q);
- coda_lock(ctx);
-}
-
static void coda_parabuf_write(struct coda_ctx *ctx, int index, u32 value)
{
struct coda_dev *dev = ctx->dev;
@@ -2650,10 +2580,10 @@ static struct vb2_ops coda_qops = {
.queue_setup = coda_queue_setup,
.buf_prepare = coda_buf_prepare,
.buf_queue = coda_buf_queue,
- .wait_prepare = coda_wait_prepare,
- .wait_finish = coda_wait_finish,
.start_streaming = coda_start_streaming,
.stop_streaming = coda_stop_streaming,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
};
static int coda_s_ctrl(struct v4l2_ctrl *ctrl)
@@ -2776,6 +2706,7 @@ static int coda_queue_init(void *priv, struct vb2_queue *src_vq,
src_vq->ops = &coda_qops;
src_vq->mem_ops = &vb2_dma_contig_memops;
src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+ src_vq->lock = &ctx->dev->dev_mutex;
ret = vb2_queue_init(src_vq);
if (ret)
@@ -2788,6 +2719,7 @@ static int coda_queue_init(void *priv, struct vb2_queue *src_vq,
dst_vq->ops = &coda_qops;
dst_vq->mem_ops = &vb2_dma_contig_memops;
dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+ dst_vq->lock = &ctx->dev->dev_mutex;
return vb2_queue_init(dst_vq);
}
@@ -2856,6 +2788,8 @@ static int coda_open(struct file *file)
__func__, ret);
goto err_ctx_init;
}
+ ctx->fh.m2m_ctx = ctx->m2m_ctx;
+
ret = coda_ctrls_setup(ctx);
if (ret) {
v4l2_err(&dev->v4l2_dev, "failed to setup coda controls\n");
@@ -2955,32 +2889,13 @@ static int coda_release(struct file *file)
return 0;
}
-static unsigned int coda_poll(struct file *file,
- struct poll_table_struct *wait)
-{
- struct coda_ctx *ctx = fh_to_ctx(file->private_data);
- int ret;
-
- coda_lock(ctx);
- ret = v4l2_m2m_poll(file, ctx->m2m_ctx, wait);
- coda_unlock(ctx);
- return ret;
-}
-
-static int coda_mmap(struct file *file, struct vm_area_struct *vma)
-{
- struct coda_ctx *ctx = fh_to_ctx(file->private_data);
-
- return v4l2_m2m_mmap(file, ctx->m2m_ctx, vma);
-}
-
static const struct v4l2_file_operations coda_fops = {
.owner = THIS_MODULE,
.open = coda_open,
.release = coda_release,
- .poll = coda_poll,
+ .poll = v4l2_m2m_fop_poll,
.unlocked_ioctl = video_ioctl2,
- .mmap = coda_mmap,
+ .mmap = v4l2_m2m_fop_mmap,
};
static void coda_finish_decode(struct coda_ctx *ctx)
--
2.0.0
--
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