* the Free Software Foundation; either version 2
*/
+#ifndef _VIDEOBUF_CORE_H
+#define _VIDEOBUF_CORE_H
+
#include <linux/poll.h>
#ifdef CONFIG_VIDEO_V4L1_COMPAT
+#define __MIN_V4L1
#include <linux/videodev.h>
#endif
#include <linux/videodev2.h>
};
enum videobuf_state {
- STATE_NEEDS_INIT = 0,
- STATE_PREPARED = 1,
- STATE_QUEUED = 2,
- STATE_ACTIVE = 3,
- STATE_DONE = 4,
- STATE_ERROR = 5,
- STATE_IDLE = 6,
+ VIDEOBUF_NEEDS_INIT = 0,
+ VIDEOBUF_PREPARED = 1,
+ VIDEOBUF_QUEUED = 2,
+ VIDEOBUF_ACTIVE = 3,
+ VIDEOBUF_DONE = 4,
+ VIDEOBUF_ERROR = 5,
+ VIDEOBUF_IDLE = 6,
};
struct videobuf_buffer {
struct videobuf_qtype_ops {
u32 magic;
- void* (*alloc) (size_t size);
- int (*iolock) (struct videobuf_queue* q,
+ struct videobuf_buffer *(*alloc)(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 (*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 lock;
+ struct mutex vb_lock;
spinlock_t *irqlock;
- void *dev; /* on pci, points to struct pci_dev */
+ 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 */
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;
+
/* capture via mmap() + ioctl(QBUF/DQBUF) */
- unsigned int streaming;
struct list_head stream;
/* capture via read() */
- unsigned int reading;
unsigned int read_off;
struct videobuf_buffer *read_buf;
};
int videobuf_waiton(struct videobuf_buffer *vb, int non_blocking, int intr);
-int videobuf_iolock(struct videobuf_queue* q, struct videobuf_buffer *vb,
+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(struct videobuf_queue *q);
+
+/* Used on videobuf-dvb */
+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,
- void *dev,
+ const struct videobuf_queue_ops *ops,
+ struct device *dev,
spinlock_t *irqlock,
enum v4l2_buf_type type,
enum v4l2_field field,
int videobuf_streamon(struct videobuf_queue *q);
int videobuf_streamoff(struct videobuf_queue *q);
+void videobuf_stop(struct videobuf_queue *q);
+
int videobuf_read_start(struct videobuf_queue *q);
void videobuf_read_stop(struct videobuf_queue *q);
ssize_t videobuf_read_stream(struct videobuf_queue *q,
int videobuf_mmap_setup(struct videobuf_queue *q,
unsigned int bcount, unsigned int bsize,
enum v4l2_memory memory);
+int __videobuf_mmap_setup(struct videobuf_queue *q,
+ unsigned int bcount, unsigned int bsize,
+ enum v4l2_memory memory);
int videobuf_mmap_free(struct videobuf_queue *q);
int videobuf_mmap_mapper(struct videobuf_queue *q,
struct vm_area_struct *vma);
-/* --------------------------------------------------------------------- */
-
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
+#endif