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Diffstat (limited to 'include/media/videobuf-core.h')
-rw-r--r--include/media/videobuf-core.h69
1 files changed, 29 insertions, 40 deletions
diff --git a/include/media/videobuf-core.h b/include/media/videobuf-core.h
index 874f1340d04..8c6e825940e 100644
--- a/include/media/videobuf-core.h
+++ b/include/media/videobuf-core.h
@@ -17,9 +17,6 @@
#define _VIDEOBUF_CORE_H
#include <linux/poll.h>
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-#include <linux/videodev.h>
-#endif
#include <linux/videodev2.h>
#define UNSET (-1U)
@@ -53,8 +50,6 @@ struct videobuf_queue;
struct videobuf_mapping {
unsigned int count;
- unsigned long start;
- unsigned long end;
struct videobuf_queue *q;
};
@@ -77,7 +72,6 @@ struct videobuf_buffer {
unsigned int height;
unsigned int bytesperline; /* use only if != 0 */
unsigned long size;
- unsigned int input;
enum v4l2_field field;
enum videobuf_state state;
struct list_head stream; /* QBUF/DQBUF list */
@@ -126,51 +120,36 @@ struct videobuf_queue_ops {
struct videobuf_qtype_ops {
u32 magic;
- void *(*alloc) (size_t size);
- void *(*vmalloc) (struct videobuf_buffer *buf);
- int (*iolock) (struct videobuf_queue* q,
+ struct videobuf_buffer *(*alloc_vb)(size_t size);
+ void *(*vaddr) (struct videobuf_buffer *buf);
+ int (*iolock) (struct videobuf_queue *q,
struct videobuf_buffer *vb,
struct v4l2_framebuffer *fbuf);
- int (*mmap) (struct videobuf_queue *q,
- unsigned int *count,
- unsigned int *size,
- enum v4l2_memory memory);
- int (*sync) (struct videobuf_queue* q,
+ int (*sync) (struct videobuf_queue *q,
struct videobuf_buffer *buf);
- int (*video_copy_to_user)(struct videobuf_queue *q,
- char __user *data,
- size_t count,
- int nonblocking);
- int (*copy_stream) (struct videobuf_queue *q,
- char __user *data,
- size_t count,
- size_t pos,
- int vbihack,
- int nonblocking);
- int (*mmap_free) (struct videobuf_queue *q);
int (*mmap_mapper) (struct videobuf_queue *q,
- struct vm_area_struct *vma);
+ struct videobuf_buffer *buf,
+ struct vm_area_struct *vma);
};
struct videobuf_queue {
struct mutex vb_lock;
+ struct mutex *ext_lock;
spinlock_t *irqlock;
struct device *dev;
wait_queue_head_t wait; /* wait if queue is empty */
enum v4l2_buf_type type;
- unsigned int inputs; /* for V4L2_BUF_FLAG_INPUT */
unsigned int msize;
enum v4l2_field field;
enum v4l2_field last; /* for field=V4L2_FIELD_ALTERNATE */
struct videobuf_buffer *bufs[VIDEO_MAX_FRAME];
- struct videobuf_queue_ops *ops;
+ const struct videobuf_queue_ops *ops;
struct videobuf_qtype_ops *int_ops;
unsigned int streaming:1;
unsigned int reading:1;
- unsigned int is_mmapped:1;
/* capture via mmap() + ioctl(QBUF/DQBUF) */
struct list_head stream;
@@ -183,25 +162,39 @@ struct videobuf_queue {
void *priv_data;
};
-int videobuf_waiton(struct videobuf_buffer *vb, int non_blocking, int intr);
-int videobuf_iolock(struct videobuf_queue* q, struct videobuf_buffer *vb,
+static inline void videobuf_queue_lock(struct videobuf_queue *q)
+{
+ if (!q->ext_lock)
+ mutex_lock(&q->vb_lock);
+}
+
+static inline void videobuf_queue_unlock(struct videobuf_queue *q)
+{
+ if (!q->ext_lock)
+ mutex_unlock(&q->vb_lock);
+}
+
+int videobuf_waiton(struct videobuf_queue *q, struct videobuf_buffer *vb,
+ int non_blocking, int intr);
+int videobuf_iolock(struct videobuf_queue *q, struct videobuf_buffer *vb,
struct v4l2_framebuffer *fbuf);
-void *videobuf_alloc(struct videobuf_queue* q);
+struct videobuf_buffer *videobuf_alloc_vb(struct videobuf_queue *q);
/* Used on videobuf-dvb */
-void *videobuf_queue_to_vmalloc (struct videobuf_queue* q,
- struct videobuf_buffer *buf);
+void *videobuf_queue_to_vaddr(struct videobuf_queue *q,
+ struct videobuf_buffer *buf);
void videobuf_queue_core_init(struct videobuf_queue *q,
- struct videobuf_queue_ops *ops,
+ const struct videobuf_queue_ops *ops,
struct device *dev,
spinlock_t *irqlock,
enum v4l2_buf_type type,
enum v4l2_field field,
unsigned int msize,
void *priv,
- struct videobuf_qtype_ops *int_ops);
+ struct videobuf_qtype_ops *int_ops,
+ struct mutex *ext_lock);
int videobuf_queue_is_busy(struct videobuf_queue *q);
void videobuf_queue_cancel(struct videobuf_queue *q);
@@ -213,10 +206,6 @@ int videobuf_qbuf(struct videobuf_queue *q,
struct v4l2_buffer *b);
int videobuf_dqbuf(struct videobuf_queue *q,
struct v4l2_buffer *b, int nonblocking);
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-int videobuf_cgmbuf(struct videobuf_queue *q,
- struct video_mbuf *mbuf, int count);
-#endif
int videobuf_streamon(struct videobuf_queue *q);
int videobuf_streamoff(struct videobuf_queue *q);