video/zoran/zoran.h

2  * zoran - Iomega Buz driver
12  * bttv - Bt848 frame grabber driver
13  * Copyright (C) 1996,97,98 Ralph  Metzler (rjkm@thp.uni-koeln.de)
14  *                        & Marcus Metzler (mocm@thp.uni-koeln.de)
34 #include <media/v4l2-device.h>
37 	unsigned long frame;	/* number of buffer that has been free'd */  member
38 	unsigned long length;	/* number of code bytes in buffer (capture only) */
39 	unsigned long seq;	/* frame sequence number */
46 #define ZR_DEVNAME(zr) ((zr)->name)
48 #define   BUZ_MAX_WIDTH   (zr->timing->Wa)
49 #define   BUZ_MAX_HEIGHT  (zr->timing->Ha)
57 #define BUZ_MASK_FRAME    255	/* Must be BUZ_MAX_FRAME-1 */
66 #   error   "Too many video frame buffers to handle"
68 #define   V4L_MASK_FRAME   (V4L_MAX_FRAME - 1)
75 	UNKNOWN = -1,
102 	BUZ_MODE_STILL_COMPRESS,	/* still frame conversion */
103 	BUZ_MODE_STILL_DECOMPRESS	/* still frame conversion */
107 	BUZ_STATE_USER,		/* buffer is owned by application */
108 	BUZ_STATE_PEND,		/* buffer is queued in pend[] ready to feed to I/O */
109 	BUZ_STATE_DMA,		/* buffer is queued in dma[] for I/O */
110 	BUZ_STATE_DONE		/* buffer is ready to return to application */
152 /* overlay-settings */
160 /* v4l-capture settings */
166 /* jpg-capture/-playback settings */
170 	int field_per_buff, odd_even;	/* field-settings (odd_even=1 (+TmpDcm=1) means top-field-first) */
172 	struct v4l2_jpegcompression jpg_comp;	/* JPEG-specific capture settings */
190 			char *fbuffer;		/* virtual address of frame buffer */
191 			unsigned long fbuffer_phys;/* physical address of frame buffer */
192 			unsigned long fbuffer_bus;/* bus address of frame buffer */
203 /* buffer collections */
207 	struct zoran_buffer buffer[MAX_FRAME];	/* buffers */  member
215 /* zoran_fh contains per-open() settings */
275 	struct v4l2_subdev *decoder;	/* video decoder sub-device */
276 	struct v4l2_subdev *encoder;	/* video encoder sub-device */
301 	/* Current buffer params */
316 	int v4l_grab_frame;	/* Frame number being currently grabbed */
317 #define NO_GRAB_ACTIVE (-1)
335 	/* (dma_head - dma_tail) is number active in DMA, must be <= BUZ_NUM_STAT_COM */
337 	unsigned long jpg_que_head;	/* Index where to put next buffer which is queued */
338 	unsigned long jpg_dma_head;	/* Index of next buffer which goes into stat_com  */
339 	unsigned long jpg_dma_tail;	/* Index of last buffer in stat_com               */
340 	unsigned long jpg_que_tail;	/* Index of last buffer in queue                  */
346 	/* zr36057's code buffer table */
352 	/* array indexed by frame number */
394 #define btwrite(dat,adr)    writel((dat), zr->zr36057_mem+(adr))
395 #define btread(adr)         readl(zr->zr36057_mem+(adr))