diff options
Diffstat (limited to 'include/media/videobuf-core.h')
| -rw-r--r-- | include/media/videobuf-core.h | 69 |
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); |
