WebSVN - shark - Blame - Rev 426 - /shark/trunk/drivers/cm7326/include/drivers/saa7146

Rev	Author	Line No.	Line
426	giacomo	1	#ifndef __SAA7146_VV__
		2	#define __SAA7146_VV__
		3
		4	#include <linux/videodev2.h>
		5	#include <drivers/saa7146.h>
		6	#include <drivers/video-buf.h>
		7
		8	#define MAX_SAA7146_CAPTURE_BUFFERS 32 /* arbitrary */
		9	#define BUFFER_TIMEOUT (HZ/2) /* 0.5 seconds */
		10
		11	#define WRITE_RPS0(x) do { \
		12	dev->d_rps0.cpu_addr[ count++ ] = cpu_to_le32(x); \
		13	} while (0);
		14
		15	#define WRITE_RPS1(x) do { \
		16	dev->d_rps1.cpu_addr[ count++ ] = cpu_to_le32(x); \
		17	} while (0);
		18
		19	struct saa7146_video_dma {
		20	u32 base_odd;
		21	u32 base_even;
		22	u32 prot_addr;
		23	u32 pitch;
		24	u32 base_page;
		25	u32 num_line_byte;
		26	};
		27
		28	#define FORMAT_BYTE_SWAP 0x1
		29	#define FORMAT_IS_PLANAR 0x2
		30
		31	struct saa7146_format {
		32	char *name;
		33	u32 pixelformat;
		34	u32 trans;
		35	u8 depth;
		36	u8 flags;
		37	};
		38
		39	struct saa7146_standard
		40	{
		41	char *name;
		42	v4l2_std_id id;
		43
		44	int v_offset; /* number of lines of vertical offset before processing */
		45	int v_field; /* number of lines in a field for HPS to process */
		46	int v_calc; /* number of vertical active lines */
		47
		48	int h_offset; /* horizontal offset of processing window */
		49	int h_pixels; /* number of horizontal pixels to process */
		50	int h_calc; /* number of horizontal active pixels */
		51
		52	int v_max_out;
		53	int h_max_out;
		54	};
		55
		56	/* buffer for one video/vbi frame */
		57	struct saa7146_buf {
		58	/* common v4l buffer stuff -- must be first */
		59	struct videobuf_buffer vb;
		60
		61	/* saa7146 specific */
		62	struct v4l2_pix_format *fmt;
		63	int (activate)(struct saa7146_dev dev,
		64	struct saa7146_buf *buf,
		65	struct saa7146_buf *next);
		66
		67	/* page tables */
		68	struct saa7146_pgtable pt[3];
		69	};
		70
		71	struct saa7146_dmaqueue {
		72	struct saa7146_dev *dev;
		73	struct saa7146_buf *curr;
		74	struct list_head queue;
		75	struct timer_list timeout;
		76	};
		77
		78	struct saa7146_overlay {
		79	struct saa7146_fh *fh;
		80	struct v4l2_window win;
		81	struct v4l2_clip clips[16];
		82	int nclips;
		83	};
		84
		85	/* per open data */
		86	struct saa7146_fh {
		87	struct saa7146_dev *dev;
		88	/* if this is a vbi or capture open */
		89	enum v4l2_buf_type type;
		90
		91	/* video overlay */
		92	struct saa7146_overlay ov;
		93
		94	/* video capture */
		95	struct videobuf_queue video_q;
		96	struct v4l2_pix_format video_fmt;
		97
		98	/* vbi capture */
		99	struct videobuf_queue vbi_q;
		100	struct v4l2_vbi_format vbi_fmt;
		101	struct timer_list vbi_read_timeout;
		102
		103	unsigned int resources; /* resource management for device open */
		104	};
		105
		106	struct saa7146_vv
		107	{
		108	int vbi_minor;
		109
		110	/* vbi capture */
		111	struct saa7146_dmaqueue vbi_q;
		112	/* vbi workaround interrupt queue */
		113	wait_queue_head_t vbi_wq;
		114	int vbi_fieldcount;
		115	struct saa7146_fh *vbi_streaming;
		116
		117	int video_minor;
		118
		119	/* video overlay */
		120	struct v4l2_framebuffer ov_fb;
		121	struct saa7146_format *ov_fmt;
		122	struct saa7146_overlay *ov_data;
		123
		124	/* video capture */
		125	struct saa7146_dmaqueue video_q;
		126	struct saa7146_fh *streaming;
		127	enum v4l2_field last_field;
		128
		129	/* common: fixme? shouldn't this be in saa7146_fh?
		130	(this leads to a more complicated question: shall the driver
		131	store the different settings (for example S_INPUT) for every open
		132	and restore it appropriately, or should all settings be common for
		133	all opens? currently, we do the latter, like all other
		134	drivers do... */
		135	struct saa7146_standard *standard;
		136
		137	int vflip;
		138	int hflip;
		139	int current_hps_source;
		140	int current_hps_sync;
		141
		142	struct saa7146_dma d_clipping; /* pointer to clipping memory */
		143
		144	unsigned int resources; /* resource management for device */
		145	};
		146
		147	#define SAA7146_EXCLUSIVE 0x1
		148	#define SAA7146_BEFORE 0x2
		149	#define SAA7146_AFTER 0x4
		150
		151	struct saa7146_extension_ioctls
		152	{
		153	unsigned int cmd;
		154	int flags;
		155	};
		156
		157	/* flags */
		158	#define SAA7146_USE_PORT_B_FOR_VBI 0x2 /* use input port b for vbi hardware bug workaround */
		159
		160	struct saa7146_ext_vv
		161	{
		162	/* informations about the video capabilities of the device */
		163	int inputs;
		164	int audios;
		165	u32 capabilities;
		166	int flags;
		167
		168	/* additionally supported transmission standards */
		169	struct saa7146_standard *stds;
		170	int num_stds;
		171	int (std_callback)(struct saa7146_dev, struct saa7146_standard *);
		172
		173	struct saa7146_extension_ioctls *ioctls;
		174	int (ioctl)(struct saa7146_fh, unsigned int cmd, void *arg);
		175	};
		176
		177	struct saa7146_use_ops {
		178	void (init)(struct saa7146_dev , struct saa7146_vv *);
		179	int(open)(struct saa7146_dev , struct file *);
		180	void (release)(struct saa7146_dev , struct file *);
		181	void (irq_done)(struct saa7146_dev , unsigned long status);
		182	ssize_t (read)(struct file , char , size_t, loff_t );
		183	};
		184
		185	/* from saa7146_fops.c */
		186	int saa7146_register_device(struct video_device vid, struct saa7146_dev dev, char *name, int type);
		187	int saa7146_unregister_device(struct video_device vid, struct saa7146_dev dev);
		188	void saa7146_buffer_finish(struct saa7146_dev dev, struct saa7146_dmaqueue q, int state);
		189	void saa7146_buffer_next(struct saa7146_dev dev, struct saa7146_dmaqueue q,int vbi);
		190	int saa7146_buffer_queue(struct saa7146_dev dev, struct saa7146_dmaqueue q, struct saa7146_buf *buf);
		191	void saa7146_buffer_timeout(unsigned long data);
		192	void saa7146_dma_free(struct saa7146_dev dev,struct saa7146_buf buf);
		193
		194	int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv);
		195	int saa7146_vv_release(struct saa7146_dev* dev);
		196
		197	/* from saa7146_hlp.c */
		198	int saa7146_enable_overlay(struct saa7146_fh *fh);
		199	void saa7146_disable_overlay(struct saa7146_fh *fh);
		200
		201	void saa7146_set_capture(struct saa7146_dev dev, struct saa7146_buf buf, struct saa7146_buf *next);
		202	void saa7146_write_out_dma(struct saa7146_dev* dev, int which, struct saa7146_video_dma* vdma) ;
		203	void saa7146_set_hps_source_and_sync(struct saa7146_dev *saa, int source, int sync);
		204	void saa7146_set_gpio(struct saa7146_dev *saa, u8 pin, u8 data);
		205
		206	/* from saa7146_video.c */
		207	extern struct saa7146_use_ops saa7146_video_uops;
		208	int saa7146_start_preview(struct saa7146_fh *fh);
		209	int saa7146_stop_preview(struct saa7146_fh *fh);
		210
		211	/* from saa7146_vbi.c */
		212	extern struct saa7146_use_ops saa7146_vbi_uops;
		213
		214	/* resource management functions */
		215	int saa7146_res_get(struct saa7146_fh *fh, unsigned int bit);
		216	int saa7146_res_check(struct saa7146_fh *fh, unsigned int bit);
		217	int saa7146_res_locked(struct saa7146_dev *dev, unsigned int bit);
		218	void saa7146_res_free(struct saa7146_fh *fh, unsigned int bits);
		219
		220	#define RESOURCE_DMA1_HPS 0x1
		221	#define RESOURCE_DMA2_CLP 0x2
		222	#define RESOURCE_DMA3_BRS 0x4
		223
		224	/* saa7146 source inputs */
		225	#define SAA7146_HPS_SOURCE_PORT_A 0x00
		226	#define SAA7146_HPS_SOURCE_PORT_B 0x01
		227	#define SAA7146_HPS_SOURCE_YPB_CPA 0x02
		228	#define SAA7146_HPS_SOURCE_YPA_CPB 0x03
		229
		230	/* sync inputs */
		231	#define SAA7146_HPS_SYNC_PORT_A 0x00
		232	#define SAA7146_HPS_SYNC_PORT_B 0x01
		233
		234	/* some memory sizes */
		235	#define SAA7146_CLIPPING_MEM (14*PAGE_SIZE)
		236
		237	/* some defines for the various clipping-modes */
		238	#define SAA7146_CLIPPING_RECT 0x4
		239	#define SAA7146_CLIPPING_RECT_INVERTED 0x5
		240	#define SAA7146_CLIPPING_MASK 0x6
		241	#define SAA7146_CLIPPING_MASK_INVERTED 0x7
		242
		243	/* output formats: each entry holds four informations */
		244	#define RGB08_COMPOSED 0x0217 /* composed is used in the sense of "not-planar" */
		245	/* this means: planar?=0, yuv2rgb-conversation-mode=2, dither=yes(=1), format-mode = 7 */
		246	#define RGB15_COMPOSED 0x0213
		247	#define RGB16_COMPOSED 0x0210
		248	#define RGB24_COMPOSED 0x0201
		249	#define RGB32_COMPOSED 0x0202
		250
		251	#define Y8 0x0006
		252	#define YUV411_COMPOSED 0x0003
		253	#define YUV422_COMPOSED 0x0000
		254	/* this means: planar?=1, yuv2rgb-conversion-mode=0, dither=no(=0), format-mode = b */
		255	#define YUV411_DECOMPOSED 0x100b
		256	#define YUV422_DECOMPOSED 0x1009
		257	#define YUV420_DECOMPOSED 0x100a
		258
		259	#define IS_PLANAR(x) (x & 0xf000)
		260
		261	/* misc defines */
		262	#define SAA7146_NO_SWAP (0x0)
		263	#define SAA7146_TWO_BYTE_SWAP (0x1)
		264	#define SAA7146_FOUR_BYTE_SWAP (0x2)
		265
		266	#endif

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(root)/shark/trunk/drivers/cm7326/include/drivers/saa7146_vv.h - Rev 426