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Diffstat (limited to 'include/media/v4l2-mem2mem.h')
-rw-r--r--include/media/v4l2-mem2mem.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/media/v4l2-mem2mem.h b/include/media/v4l2-mem2mem.h
index 3bbd96da25c9..8849aaba6aa5 100644
--- a/include/media/v4l2-mem2mem.h
+++ b/include/media/v4l2-mem2mem.h
@@ -40,6 +40,10 @@
* v4l2_m2m_job_finish() (as if the transaction ended normally).
* This function does not have to (and will usually not) wait
* until the device enters a state when it can be stopped.
+ * @lock: optional. Define a driver's own lock callback, instead of using
+ * m2m_ctx->q_lock.
+ * @unlock: optional. Define a driver's own unlock callback, instead of
+ * using m2m_ctx->q_lock.
*/
struct v4l2_m2m_ops {
void (*device_run)(void *priv);
@@ -161,6 +165,8 @@ void v4l2_m2m_buf_queue(struct v4l2_m2m_ctx *m2m_ctx, struct vb2_buffer *vb);
/**
* v4l2_m2m_num_src_bufs_ready() - return the number of source buffers ready for
* use
+ *
+ * @m2m_ctx: pointer to struct v4l2_m2m_ctx
*/
static inline
unsigned int v4l2_m2m_num_src_bufs_ready(struct v4l2_m2m_ctx *m2m_ctx)
@@ -171,6 +177,8 @@ unsigned int v4l2_m2m_num_src_bufs_ready(struct v4l2_m2m_ctx *m2m_ctx)
/**
* v4l2_m2m_num_src_bufs_ready() - return the number of destination buffers
* ready for use
+ *
+ * @m2m_ctx: pointer to struct v4l2_m2m_ctx
*/
static inline
unsigned int v4l2_m2m_num_dst_bufs_ready(struct v4l2_m2m_ctx *m2m_ctx)
@@ -183,6 +191,8 @@ void *v4l2_m2m_next_buf(struct v4l2_m2m_queue_ctx *q_ctx);
/**
* v4l2_m2m_next_src_buf() - return next source buffer from the list of ready
* buffers
+ *
+ * @m2m_ctx: pointer to struct v4l2_m2m_ctx
*/
static inline void *v4l2_m2m_next_src_buf(struct v4l2_m2m_ctx *m2m_ctx)
{
@@ -192,6 +202,8 @@ static inline void *v4l2_m2m_next_src_buf(struct v4l2_m2m_ctx *m2m_ctx)
/**
* v4l2_m2m_next_dst_buf() - return next destination buffer from the list of
* ready buffers
+ *
+ * @m2m_ctx: pointer to struct v4l2_m2m_ctx
*/
static inline void *v4l2_m2m_next_dst_buf(struct v4l2_m2m_ctx *m2m_ctx)
{
@@ -200,6 +212,8 @@ static inline void *v4l2_m2m_next_dst_buf(struct v4l2_m2m_ctx *m2m_ctx)
/**
* v4l2_m2m_get_src_vq() - return vb2_queue for source buffers
+ *
+ * @m2m_ctx: pointer to struct v4l2_m2m_ctx
*/
static inline
struct vb2_queue *v4l2_m2m_get_src_vq(struct v4l2_m2m_ctx *m2m_ctx)
@@ -209,6 +223,8 @@ struct vb2_queue *v4l2_m2m_get_src_vq(struct v4l2_m2m_ctx *m2m_ctx)
/**
* v4l2_m2m_get_dst_vq() - return vb2_queue for destination buffers
+ *
+ * @m2m_ctx: pointer to struct v4l2_m2m_ctx
*/
static inline
struct vb2_queue *v4l2_m2m_get_dst_vq(struct v4l2_m2m_ctx *m2m_ctx)
@@ -221,6 +237,8 @@ void *v4l2_m2m_buf_remove(struct v4l2_m2m_queue_ctx *q_ctx);
/**
* v4l2_m2m_src_buf_remove() - take off a source buffer from the list of ready
* buffers and return it
+ *
+ * @m2m_ctx: pointer to struct v4l2_m2m_ctx
*/
static inline void *v4l2_m2m_src_buf_remove(struct v4l2_m2m_ctx *m2m_ctx)
{
@@ -230,6 +248,8 @@ static inline void *v4l2_m2m_src_buf_remove(struct v4l2_m2m_ctx *m2m_ctx)
/**
* v4l2_m2m_dst_buf_remove() - take off a destination buffer from the list of
* ready buffers and return it
+ *
+ * @m2m_ctx: pointer to struct v4l2_m2m_ctx
*/
static inline void *v4l2_m2m_dst_buf_remove(struct v4l2_m2m_ctx *m2m_ctx)
{