[PATCH] shared multimedia includes for saa71xx

include/media/saa7146_vv.h

+#ifndef __SAA7146_VV__
+#define __SAA7146_VV__
+
+#include <linux/videodev2.h>
+
+#include <media/saa7146.h>
+#include <media/video-buf.h>
+
+#define MAX_SAA7146_CAPTURE_BUFFERS	32	/* arbitrary */
+#define BUFFER_TIMEOUT     (HZ/2)  /* 0.5 seconds */
+
+struct	saa7146_video_dma {
+	u32 base_odd;
+	u32 base_even;
+	u32 prot_addr;
+	u32 pitch;
+	u32 base_page;
+	u32 num_line_byte;
+};
+
+struct saa7146_format {
+	char	*name;
+	int   	pixelformat;
+	u32	trans;
+	u8	depth;
+	int	swap;
+};
+
+struct saa7146_standard
+{
+	char          *name;
+	v4l2_std_id   id;
+
+	int v_offset;
+	int v_field;
+	int v_calc;
+	
+	int h_offset;
+	int h_pixels;
+	int h_calc;
+	
+	int v_max_out;
+	int h_max_out;
+};
+
+/* buffer for one video/vbi frame */
+struct saa7146_buf {
+	/* common v4l buffer stuff -- must be first */
+	struct videobuf_buffer vb;
+
+	/* saa7146 specific */
+	struct v4l2_pix_format  *fmt;
+	int (*activate)(struct saa7146_dev *dev,
+			struct saa7146_buf *buf,
+			struct saa7146_buf *next);
+
+	/* page tables */
+	struct saa7146_pgtable  pt[3];
+};
+
+struct saa7146_dmaqueue {
+	struct saa7146_dev	*dev;
+	struct saa7146_buf	*curr;
+	struct list_head	queue;
+	struct timer_list	timeout;
+};
+
+struct saa7146_overlay {
+	struct saa7146_fh	*fh;
+	struct v4l2_window	win;
+	struct v4l2_clip	clips[16];
+	int			nclips;
+};
+
+/* per open data */
+struct saa7146_fh {
+	struct saa7146_dev	*dev;
+	/* if this is a vbi or capture open */
+	enum v4l2_buf_type	type;
+
+	/* video overlay */
+	struct saa7146_overlay	ov;
+	
+	/* video capture */
+	struct videobuf_queue	video_q;
+	struct v4l2_pix_format	video_fmt;
+
+	/* vbi capture */
+	struct videobuf_queue	vbi_q;
+	struct v4l2_vbi_format	vbi_fmt;
+	struct timer_list	vbi_read_timeout;
+};
+
+struct saa7146_vv
+{
+	int vbi_minor;
+
+	/* vbi capture */
+	struct saa7146_dmaqueue		vbi_q;
+	/* vbi workaround interrupt queue */
+        wait_queue_head_t		vbi_wq;
+	int				vbi_fieldcount;
+	struct saa7146_fh		*vbi_streaming;
+
+	int video_minor;
+
+	/* video overlay */
+	struct v4l2_framebuffer		ov_fb;
+	struct saa7146_format		*ov_fmt;
+	struct saa7146_overlay		*ov_data;
+
+	/* video capture */
+	struct saa7146_dmaqueue		video_q;
+	struct saa7146_fh		*streaming;
+
+	/* common: fixme? shouldn't this be in saa7146_fh?
+	   (this leads to a more complicated question: shall the driver
+	   store the different settings (for example S_INPUT) for every open
+	   and restore it appropriately, or should all settings be common for
+	   all opens? currently, we do the latter, like all other
+	   drivers do... */
+	struct saa7146_standard	*standard;
+	
+	int	vflip;
+	int 	hflip;
+	int 	current_hps_source;
+	int 	current_hps_sync;
+
+	u32	*clipping;	/* pointer to clipping memory */
+};
+
+#define SAA7146_EXCLUSIVE	0x1
+#define SAA7146_BEFORE		0x2
+#define SAA7146_AFTER		0x4
+
+struct saa7146_extension_ioctls
+{
+	unsigned int	cmd;
+	int		flags;	
+};
+
+/* flags */
+#define SAA7146_EXT_SWAP_ODD_EVEN       0x1     /* needs odd/even fields swapped */
+
+struct saa7146_ext_vv
+{
+	/* informations about the video capabilities of the device */
+	int	inputs;			
+	int	audios;			
+	u32	capabilities;
+	int 	flags;
+
+	/* additionally supported transmission standards */
+	struct saa7146_standard *stds;
+	int num_stds;
+	int (*std_callback)(struct saa7146_dev*, struct saa7146_standard *);
+		
+	struct saa7146_extension_ioctls *ioctls;
+	int (*ioctl)(struct saa7146_dev*, unsigned int cmd, void *arg);
+};
+
+struct saa7146_use_ops  {
+        void (*init)(struct saa7146_dev *, struct saa7146_vv *);
+        void(*open)(struct saa7146_dev *, struct saa7146_fh *);
+        void (*release)(struct saa7146_dev *, struct saa7146_fh *,struct file *);
+        void (*irq_done)(struct saa7146_dev *, unsigned long status);
+	ssize_t (*read)(struct file *, char *, size_t, loff_t *);
+        int (*capture_begin)(struct saa7146_fh *);
+        int (*capture_end)(struct saa7146_fh *);
+};
+
+/* from saa7146_fops.c */
+int saa7146_register_device(struct video_device *vid, struct saa7146_dev* dev, char *name, int type);
+int saa7146_unregister_device(struct video_device *vid, struct saa7146_dev* dev);
+void saa7146_buffer_finish(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, int state);
+void saa7146_buffer_next(struct saa7146_dev *dev, struct saa7146_dmaqueue *q,int vbi);
+int saa7146_buffer_queue(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, struct saa7146_buf *buf);
+void saa7146_buffer_timeout(unsigned long data);
+void saa7146_dma_free(struct saa7146_dev *dev,struct saa7146_buf *buf);
+
+int saa7146_vv_init(struct saa7146_dev* dev);
+int saa7146_vv_release(struct saa7146_dev* dev);
+
+
+/* from saa7146_hlp.c */
+void saa7146_set_overlay(struct saa7146_dev *dev, struct saa7146_fh *fh, int v);
+void saa7146_set_capture(struct saa7146_dev *dev, struct saa7146_buf *buf, struct saa7146_buf *next);
+void saa7146_write_out_dma(struct saa7146_dev* dev, int which, struct saa7146_video_dma* vdma) ;
+void saa7146_set_hps_source_and_sync(struct saa7146_dev *saa, int source, int sync);
+void saa7146_set_gpio(struct saa7146_dev *saa, u8 pin, u8 data);
+
+/* from saa7146_video.c */
+extern struct saa7146_use_ops saa7146_video_uops;
+
+/* from saa7146_vbi.c */
+extern struct saa7146_use_ops saa7146_vbi_uops;
+
+/* saa7146 source inputs */
+#define SAA7146_HPS_SOURCE_PORT_A	0x00
+#define SAA7146_HPS_SOURCE_PORT_B	0x01
+#define SAA7146_HPS_SOURCE_YPB_CPA	0x02
+#define SAA7146_HPS_SOURCE_YPA_CPB	0x03
+
+/* sync inputs */
+#define SAA7146_HPS_SYNC_PORT_A		0x00
+#define SAA7146_HPS_SYNC_PORT_B		0x01
+
+/* number of vertical active lines */
+#define V_ACTIVE_LINES_PAL	576
+#define V_ACTIVE_LINES_NTSC	480
+#define V_ACTIVE_LINES_SECAM	576
+
+/* number of lines in a field for HPS to process */
+#define V_FIELD_PAL	288
+#define V_FIELD_NTSC	240
+#define V_FIELD_SECAM	288
+
+/* number of lines of vertical offset before processing */
+#define V_OFFSET_PAL	0x17
+#define V_OFFSET_NTSC	0x16
+#define V_OFFSET_SECAM	0x14
+
+/* number of horizontal pixels to process */
+#define H_PIXELS_PAL	680
+#define H_PIXELS_NTSC	708
+#define H_PIXELS_SECAM	720
+
+/* horizontal offset of processing window */
+#define H_OFFSET_PAL	0x14
+#define H_OFFSET_NTSC	0x06
+#define H_OFFSET_SECAM	0x14
+
+#define SAA7146_PAL_VALUES 	V_OFFSET_PAL, V_FIELD_PAL, V_ACTIVE_LINES_PAL, H_OFFSET_PAL, H_PIXELS_PAL, H_PIXELS_PAL+1, V_ACTIVE_LINES_PAL, 768
+#define SAA7146_NTSC_VALUES	V_OFFSET_NTSC, V_FIELD_NTSC, V_ACTIVE_LINES_NTSC, H_OFFSET_NTSC, H_PIXELS_NTSC, H_PIXELS_NTSC+1, V_ACTIVE_LINES_NTSC, 640
+#define SAA7146_SECAM_VALUES	V_OFFSET_SECAM, V_FIELD_SECAM, V_ACTIVE_LINES_SECAM, H_OFFSET_SECAM, H_PIXELS_SECAM, H_PIXELS_SECAM+1, V_ACTIVE_LINES_SECAM, 768
+
+/* some memory sizes */
+#define SAA7146_CLIPPING_MEM	(14*PAGE_SIZE)
+
+/* some defines for the various clipping-modes */
+#define SAA7146_CLIPPING_RECT		0x4
+#define SAA7146_CLIPPING_RECT_INVERTED	0x5
+#define SAA7146_CLIPPING_MASK		0x6
+#define SAA7146_CLIPPING_MASK_INVERTED	0x7
+
+/* output formats: each entry holds four informations */
+#define RGB08_COMPOSED	0x0217 /* composed is used in the sense of "not-planar" */
+/* this means: planar?=0, yuv2rgb-conversation-mode=2, dither=yes(=1), format-mode = 7 */
+#define RGB15_COMPOSED	0x0213
+#define RGB16_COMPOSED	0x0210
+#define RGB24_COMPOSED	0x0201
+#define RGB32_COMPOSED	0x0202
+
+#define Y8			0x0006
+#define YUV411_COMPOSED		0x0003
+#define YUV422_COMPOSED		0x0000
+/* this means: planar?=1, yuv2rgb-conversion-mode=0, dither=no(=0), format-mode = b */
+#define YUV411_DECOMPOSED	0x100b
+#define YUV422_DECOMPOSED	0x1009
+#define YUV420_DECOMPOSED	0x100a
+
+#define IS_PLANAR(x) (x & 0xf000)
+
+/* misc defines */
+#define SAA7146_NO_SWAP		(0x0)
+#define SAA7146_TWO_BYTE_SWAP 	(0x1)
+#define SAA7146_FOUR_BYTE_SWAP	(0x2)
+
+#endif