X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Fmedia%2Fvideobuf-core.h;h=1c5946c447580faa83d4de48b03bb4c26ca4c9ee;hb=868f985c2fb85b5f32785bb55a349d180a30f3d3;hp=0fa5d591255561b00e5cea79586c4eccdada9697;hpb=13bcd5d0e21e3ca726965371ada8ff6c64af288f;p=safe%2Fjmp%2Flinux-2.6 diff --git a/include/media/videobuf-core.h b/include/media/videobuf-core.h index 0fa5d59..1c5946c 100644 --- a/include/media/videobuf-core.h +++ b/include/media/videobuf-core.h @@ -13,8 +13,12 @@ * the Free Software Foundation; either version 2 */ +#ifndef _VIDEOBUF_CORE_H +#define _VIDEOBUF_CORE_H + #include #ifdef CONFIG_VIDEO_V4L1_COMPAT +#define __MIN_V4L1 #include #endif #include @@ -56,13 +60,13 @@ struct videobuf_mapping { }; 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 { @@ -123,7 +127,8 @@ struct videobuf_queue_ops { struct videobuf_qtype_ops { u32 magic; - void* (*alloc) (size_t size); + void *(*alloc) (size_t size); + void *(*vmalloc) (struct videobuf_buffer *buf); int (*iolock) (struct videobuf_queue* q, struct videobuf_buffer *vb, struct v4l2_framebuffer *fbuf); @@ -149,9 +154,11 @@ struct videobuf_qtype_ops { }; 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 */ @@ -162,12 +169,14 @@ struct videobuf_queue { 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) */ - unsigned int streaming; struct list_head stream; /* capture via read() */ - unsigned int reading; unsigned int read_off; struct videobuf_buffer *read_buf; @@ -181,9 +190,13 @@ int videobuf_iolock(struct videobuf_queue* q, struct videobuf_buffer *vb, void *videobuf_alloc(struct videobuf_queue* q); +/* Used on videobuf-dvb */ +void *videobuf_queue_to_vmalloc (struct videobuf_queue* q, + struct videobuf_buffer *buf); + void videobuf_queue_core_init(struct videobuf_queue *q, struct videobuf_queue_ops *ops, - void *dev, + struct device *dev, spinlock_t *irqlock, enum v4l2_buf_type type, enum v4l2_field field, @@ -208,6 +221,8 @@ int videobuf_cgmbuf(struct videobuf_queue *q, 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, @@ -223,14 +238,11 @@ unsigned int videobuf_poll_stream(struct file *file, 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