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Diffstat (limited to 'include/media/v4l2-mem2mem.h')
-rw-r--r--include/media/v4l2-mem2mem.h106
1 files changed, 81 insertions, 25 deletions
diff --git a/include/media/v4l2-mem2mem.h b/include/media/v4l2-mem2mem.h
index 8d149f1c58d..12ea5a6a433 100644
--- a/include/media/v4l2-mem2mem.h
+++ b/include/media/v4l2-mem2mem.h
@@ -5,7 +5,7 @@
* and destination.
*
* Copyright (c) 2009 Samsung Electronics Co., Ltd.
- * Pawel Osciak, <p.osciak@samsung.com>
+ * Pawel Osciak, <pawel@osciak.com>
* Marek Szyprowski, <m.szyprowski@samsung.com>
*
* This program is free software; you can redistribute it and/or modify
@@ -17,7 +17,7 @@
#ifndef _MEDIA_V4L2_MEM2MEM_H
#define _MEDIA_V4L2_MEM2MEM_H
-#include <media/videobuf-core.h>
+#include <media/videobuf2-core.h>
/**
* struct v4l2_m2m_ops - mem-to-mem device driver callbacks
@@ -45,21 +45,28 @@ struct v4l2_m2m_ops {
void (*device_run)(void *priv);
int (*job_ready)(void *priv);
void (*job_abort)(void *priv);
+ void (*lock)(void *priv);
+ void (*unlock)(void *priv);
};
struct v4l2_m2m_dev;
struct v4l2_m2m_queue_ctx {
/* private: internal use only */
- struct videobuf_queue q;
+ struct vb2_queue q;
/* Queue for buffers ready to be processed as soon as this
* instance receives access to the device */
struct list_head rdy_queue;
+ spinlock_t rdy_spinlock;
u8 num_rdy;
+ bool buffered;
};
struct v4l2_m2m_ctx {
+ /* optional cap/out vb2 queues lock */
+ struct mutex *q_lock;
+
/* private: internal use only */
struct v4l2_m2m_dev *m2m_dev;
@@ -72,19 +79,31 @@ struct v4l2_m2m_ctx {
/* For device job queue */
struct list_head queue;
unsigned long job_flags;
+ wait_queue_head_t finished;
/* Instance private data */
void *priv;
};
+struct v4l2_m2m_buffer {
+ struct vb2_buffer vb;
+ struct list_head list;
+};
+
void *v4l2_m2m_get_curr_priv(struct v4l2_m2m_dev *m2m_dev);
-struct videobuf_queue *v4l2_m2m_get_vq(struct v4l2_m2m_ctx *m2m_ctx,
+struct vb2_queue *v4l2_m2m_get_vq(struct v4l2_m2m_ctx *m2m_ctx,
enum v4l2_buf_type type);
void v4l2_m2m_job_finish(struct v4l2_m2m_dev *m2m_dev,
struct v4l2_m2m_ctx *m2m_ctx);
+static inline void
+v4l2_m2m_buf_done(struct vb2_buffer *buf, enum vb2_buffer_state state)
+{
+ vb2_buffer_done(buf, state);
+}
+
int v4l2_m2m_reqbufs(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
struct v4l2_requestbuffers *reqbufs);
@@ -95,6 +114,11 @@ int v4l2_m2m_qbuf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
struct v4l2_buffer *buf);
int v4l2_m2m_dqbuf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
struct v4l2_buffer *buf);
+int v4l2_m2m_create_bufs(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
+ struct v4l2_create_buffers *create);
+
+int v4l2_m2m_expbuf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
+ struct v4l2_exportbuffer *eb);
int v4l2_m2m_streamon(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
enum v4l2_buf_type type);
@@ -107,16 +131,28 @@ unsigned int v4l2_m2m_poll(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
int v4l2_m2m_mmap(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
struct vm_area_struct *vma);
-struct v4l2_m2m_dev *v4l2_m2m_init(struct v4l2_m2m_ops *m2m_ops);
+struct v4l2_m2m_dev *v4l2_m2m_init(const struct v4l2_m2m_ops *m2m_ops);
void v4l2_m2m_release(struct v4l2_m2m_dev *m2m_dev);
-struct v4l2_m2m_ctx *v4l2_m2m_ctx_init(void *priv, struct v4l2_m2m_dev *m2m_dev,
- void (*vq_init)(void *priv, struct videobuf_queue *,
- enum v4l2_buf_type));
+struct v4l2_m2m_ctx *v4l2_m2m_ctx_init(struct v4l2_m2m_dev *m2m_dev,
+ void *drv_priv,
+ int (*queue_init)(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq));
+
+static inline void v4l2_m2m_set_src_buffered(struct v4l2_m2m_ctx *m2m_ctx,
+ bool buffered)
+{
+ m2m_ctx->out_q_ctx.buffered = buffered;
+}
+
+static inline void v4l2_m2m_set_dst_buffered(struct v4l2_m2m_ctx *m2m_ctx,
+ bool buffered)
+{
+ m2m_ctx->cap_q_ctx.buffered = buffered;
+}
+
void v4l2_m2m_ctx_release(struct v4l2_m2m_ctx *m2m_ctx);
-void v4l2_m2m_buf_queue(struct v4l2_m2m_ctx *m2m_ctx, struct videobuf_queue *vq,
- struct videobuf_buffer *vb);
+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
@@ -125,7 +161,7 @@ void v4l2_m2m_buf_queue(struct v4l2_m2m_ctx *m2m_ctx, struct videobuf_queue *vq,
static inline
unsigned int v4l2_m2m_num_src_bufs_ready(struct v4l2_m2m_ctx *m2m_ctx)
{
- return m2m_ctx->cap_q_ctx.num_rdy;
+ return m2m_ctx->out_q_ctx.num_rdy;
}
/**
@@ -135,10 +171,10 @@ unsigned int v4l2_m2m_num_src_bufs_ready(struct v4l2_m2m_ctx *m2m_ctx)
static inline
unsigned int v4l2_m2m_num_dst_bufs_ready(struct v4l2_m2m_ctx *m2m_ctx)
{
- return m2m_ctx->out_q_ctx.num_rdy;
+ return m2m_ctx->cap_q_ctx.num_rdy;
}
-void *v4l2_m2m_next_buf(struct v4l2_m2m_ctx *m2m_ctx, enum v4l2_buf_type type);
+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
@@ -146,7 +182,7 @@ void *v4l2_m2m_next_buf(struct v4l2_m2m_ctx *m2m_ctx, enum v4l2_buf_type type);
*/
static inline void *v4l2_m2m_next_src_buf(struct v4l2_m2m_ctx *m2m_ctx)
{
- return v4l2_m2m_next_buf(m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
+ return v4l2_m2m_next_buf(&m2m_ctx->out_q_ctx);
}
/**
@@ -155,29 +191,28 @@ static inline void *v4l2_m2m_next_src_buf(struct v4l2_m2m_ctx *m2m_ctx)
*/
static inline void *v4l2_m2m_next_dst_buf(struct v4l2_m2m_ctx *m2m_ctx)
{
- return v4l2_m2m_next_buf(m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
+ return v4l2_m2m_next_buf(&m2m_ctx->cap_q_ctx);
}
/**
- * v4l2_m2m_get_src_vq() - return videobuf_queue for source buffers
+ * v4l2_m2m_get_src_vq() - return vb2_queue for source buffers
*/
static inline
-struct videobuf_queue *v4l2_m2m_get_src_vq(struct v4l2_m2m_ctx *m2m_ctx)
+struct vb2_queue *v4l2_m2m_get_src_vq(struct v4l2_m2m_ctx *m2m_ctx)
{
- return v4l2_m2m_get_vq(m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
+ return &m2m_ctx->out_q_ctx.q;
}
/**
- * v4l2_m2m_get_dst_vq() - return videobuf_queue for destination buffers
+ * v4l2_m2m_get_dst_vq() - return vb2_queue for destination buffers
*/
static inline
-struct videobuf_queue *v4l2_m2m_get_dst_vq(struct v4l2_m2m_ctx *m2m_ctx)
+struct vb2_queue *v4l2_m2m_get_dst_vq(struct v4l2_m2m_ctx *m2m_ctx)
{
- return v4l2_m2m_get_vq(m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
+ return &m2m_ctx->cap_q_ctx.q;
}
-void *v4l2_m2m_buf_remove(struct v4l2_m2m_ctx *m2m_ctx,
- enum v4l2_buf_type type);
+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
@@ -185,7 +220,7 @@ void *v4l2_m2m_buf_remove(struct v4l2_m2m_ctx *m2m_ctx,
*/
static inline void *v4l2_m2m_src_buf_remove(struct v4l2_m2m_ctx *m2m_ctx)
{
- return v4l2_m2m_buf_remove(m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
+ return v4l2_m2m_buf_remove(&m2m_ctx->out_q_ctx);
}
/**
@@ -194,8 +229,29 @@ static inline void *v4l2_m2m_src_buf_remove(struct v4l2_m2m_ctx *m2m_ctx)
*/
static inline void *v4l2_m2m_dst_buf_remove(struct v4l2_m2m_ctx *m2m_ctx)
{
- return v4l2_m2m_buf_remove(m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
+ return v4l2_m2m_buf_remove(&m2m_ctx->cap_q_ctx);
}
+/* v4l2 ioctl helpers */
+
+int v4l2_m2m_ioctl_reqbufs(struct file *file, void *priv,
+ struct v4l2_requestbuffers *rb);
+int v4l2_m2m_ioctl_create_bufs(struct file *file, void *fh,
+ struct v4l2_create_buffers *create);
+int v4l2_m2m_ioctl_querybuf(struct file *file, void *fh,
+ struct v4l2_buffer *buf);
+int v4l2_m2m_ioctl_expbuf(struct file *file, void *fh,
+ struct v4l2_exportbuffer *eb);
+int v4l2_m2m_ioctl_qbuf(struct file *file, void *fh,
+ struct v4l2_buffer *buf);
+int v4l2_m2m_ioctl_dqbuf(struct file *file, void *fh,
+ struct v4l2_buffer *buf);
+int v4l2_m2m_ioctl_streamon(struct file *file, void *fh,
+ enum v4l2_buf_type type);
+int v4l2_m2m_ioctl_streamoff(struct file *file, void *fh,
+ enum v4l2_buf_type type);
+int v4l2_m2m_fop_mmap(struct file *file, struct vm_area_struct *vma);
+unsigned int v4l2_m2m_fop_poll(struct file *file, poll_table *wait);
+
#endif /* _MEDIA_V4L2_MEM2MEM_H */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-04 01:43:21 +0000