include/media/saa7146_vv.h - kernel/msm-4.9 - Gitiles

 #ifndef __SAA7146_VV__
 #define __SAA7146_VV__

 #include <media/v4l2-common.h>
 #include <media/v4l2-ioctl.h>
 #include <media/saa7146.h>
 #include <media/videobuf-dma-sg.h>

 #define MAX_SAA7146_CAPTURE_BUFFERS	32	/* arbitrary */
 #define BUFFER_TIMEOUT     (HZ/2)  /* 0.5 seconds */

 #define WRITE_RPS0(x) do { \
 	dev->d_rps0.cpu_addr[ count++ ] = cpu_to_le32(x); \
 	} while (0);

 #define WRITE_RPS1(x) do { \
 	dev->d_rps1.cpu_addr[ count++ ] = cpu_to_le32(x); \
 	} while (0);

 struct	saa7146_video_dma {
 	u32 base_odd;
 	u32 base_even;
 	u32 prot_addr;
 	u32 pitch;
 	u32 base_page;
 	u32 num_line_byte;
 };

 #define FORMAT_BYTE_SWAP	0x1
 #define FORMAT_IS_PLANAR	0x2

 struct saa7146_format {
 	char	*name;
 	u32	pixelformat;
 	u32	trans;
 	u8	depth;
 	u8	flags;
 	u8	swap;
 };

 struct saa7146_standard
 {
 	char          *name;
 	v4l2_std_id   id;

 	int v_offset;	/* number of lines of vertical offset before processing */
 	int v_field;	/* number of lines in a field for HPS to process */

 	int h_offset;	/* horizontal offset of processing window */
 	int h_pixels;	/* number of horizontal pixels to process */

 	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;

 	unsigned int resources;	/* resource management for device open */
 };

 #define STATUS_OVERLAY	0x01
 #define STATUS_CAPTURE	0x02

 struct saa7146_vv
 {
 	/* 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_status;
 	struct saa7146_fh		*video_fh;

 	/* video overlay */
 	struct v4l2_framebuffer		ov_fb;
 	struct saa7146_format		*ov_fmt;
 	struct saa7146_overlay		*ov_data;
 	struct saa7146_fh		*ov_suspend;

 	/* video capture */
 	struct saa7146_dmaqueue		video_q;
 	enum v4l2_field			last_field;

 	/* 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;

 	struct saa7146_dma	d_clipping;	/* pointer to clipping memory */

 	unsigned int resources;	/* resource management for device */
 };

 /* flags */
 #define SAA7146_USE_PORT_B_FOR_VBI	0x2     /* use input port b for vbi hardware bug workaround */

 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 *);

 	/* the extension can override this */
 	struct v4l2_ioctl_ops ops;
 	/* pointer to the saa7146 core ops */
 	const struct v4l2_ioctl_ops *core_ops;

 	struct v4l2_file_operations vbi_fops;
 };

 struct saa7146_use_ops  {
 	void (*init)(struct saa7146_dev *, struct saa7146_vv *);
 	int(*open)(struct saa7146_dev *, struct file *);
 	void (*release)(struct saa7146_dev *, struct file *);
 	void (*irq_done)(struct saa7146_dev *, unsigned long status);
 	ssize_t (*read)(struct file *, char __user *, size_t, loff_t *);
 };

 /* 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 videobuf_queue *q,
 						struct saa7146_buf *buf);

 int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv);
 int saa7146_vv_release(struct saa7146_dev* dev);

 /* from saa7146_hlp.c */
 int saa7146_enable_overlay(struct saa7146_fh *fh);
 void saa7146_disable_overlay(struct saa7146_fh *fh);

 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 const struct v4l2_ioctl_ops saa7146_video_ioctl_ops;
 extern struct saa7146_use_ops saa7146_video_uops;
 int saa7146_start_preview(struct saa7146_fh *fh);
 int saa7146_stop_preview(struct saa7146_fh *fh);
 long saa7146_video_do_ioctl(struct file *file, unsigned int cmd, void *arg);

 /* from saa7146_vbi.c */
 extern struct saa7146_use_ops saa7146_vbi_uops;

 /* resource management functions */
 int saa7146_res_get(struct saa7146_fh *fh, unsigned int bit);
 void saa7146_res_free(struct saa7146_fh *fh, unsigned int bits);

 #define RESOURCE_DMA1_HPS	0x1
 #define RESOURCE_DMA2_CLP	0x2
 #define RESOURCE_DMA3_BRS	0x4

 /* 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

 /* some memory sizes */
 /* max. 16 clipping rectangles */
 #define SAA7146_CLIPPING_MEM	(16 * 4 * sizeof(u32))

 /* 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
	#ifndef __SAA7146_VV__
	#define __SAA7146_VV__

	#include <media/v4l2-common.h>
	#include <media/v4l2-ioctl.h>
	#include <media/saa7146.h>
	#include <media/videobuf-dma-sg.h>

	#define MAX_SAA7146_CAPTURE_BUFFERS 32 /* arbitrary */
	#define BUFFER_TIMEOUT (HZ/2) /* 0.5 seconds */

	#define WRITE_RPS0(x) do { \
	dev->d_rps0.cpu_addr[ count++ ] = cpu_to_le32(x); \
	} while (0);

	#define WRITE_RPS1(x) do { \
	dev->d_rps1.cpu_addr[ count++ ] = cpu_to_le32(x); \
	} while (0);

	struct saa7146_video_dma {
	u32 base_odd;
	u32 base_even;
	u32 prot_addr;
	u32 pitch;
	u32 base_page;
	u32 num_line_byte;
	};

	#define FORMAT_BYTE_SWAP 0x1
	#define FORMAT_IS_PLANAR 0x2

	struct saa7146_format {
	char *name;
	u32 pixelformat;
	u32 trans;
	u8 depth;
	u8 flags;
	u8 swap;
	};

	struct saa7146_standard
	{
	char *name;
	v4l2_std_id id;

	int v_offset; /* number of lines of vertical offset before processing */
	int v_field; /* number of lines in a field for HPS to process */

	int h_offset; /* horizontal offset of processing window */
	int h_pixels; /* number of horizontal pixels to process */

	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;

	unsigned int resources; /* resource management for device open */
	};

	#define STATUS_OVERLAY 0x01
	#define STATUS_CAPTURE 0x02

	struct saa7146_vv
	{
	/* 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_status;
	struct saa7146_fh *video_fh;

	/* video overlay */
	struct v4l2_framebuffer ov_fb;
	struct saa7146_format *ov_fmt;
	struct saa7146_overlay *ov_data;
	struct saa7146_fh *ov_suspend;

	/* video capture */
	struct saa7146_dmaqueue video_q;
	enum v4l2_field last_field;

	/* 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;

	struct saa7146_dma d_clipping; /* pointer to clipping memory */

	unsigned int resources; /* resource management for device */
	};

	/* flags */
	#define SAA7146_USE_PORT_B_FOR_VBI 0x2 /* use input port b for vbi hardware bug workaround */

	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 *);

	/* the extension can override this */
	struct v4l2_ioctl_ops ops;
	/* pointer to the saa7146 core ops */
	const struct v4l2_ioctl_ops *core_ops;

	struct v4l2_file_operations vbi_fops;
	};

	struct saa7146_use_ops {
	void (init)(struct saa7146_dev , struct saa7146_vv *);
	int(open)(struct saa7146_dev , struct file *);
	void (release)(struct saa7146_dev , struct file *);
	void (irq_done)(struct saa7146_dev , unsigned long status);
	ssize_t (read)(struct file , char __user , size_t, loff_t );
	};

	/* 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 videobuf_queue *q,
	struct saa7146_buf *buf);

	int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv);
	int saa7146_vv_release(struct saa7146_dev* dev);

	/* from saa7146_hlp.c */
	int saa7146_enable_overlay(struct saa7146_fh *fh);
	void saa7146_disable_overlay(struct saa7146_fh *fh);

	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 const struct v4l2_ioctl_ops saa7146_video_ioctl_ops;
	extern struct saa7146_use_ops saa7146_video_uops;
	int saa7146_start_preview(struct saa7146_fh *fh);
	int saa7146_stop_preview(struct saa7146_fh *fh);
	long saa7146_video_do_ioctl(struct file file, unsigned int cmd, void arg);

	/* from saa7146_vbi.c */
	extern struct saa7146_use_ops saa7146_vbi_uops;

	/* resource management functions */
	int saa7146_res_get(struct saa7146_fh *fh, unsigned int bit);
	void saa7146_res_free(struct saa7146_fh *fh, unsigned int bits);

	#define RESOURCE_DMA1_HPS 0x1
	#define RESOURCE_DMA2_CLP 0x2
	#define RESOURCE_DMA3_BRS 0x4

	/* 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

	/* some memory sizes */
	/* max. 16 clipping rectangles */
	#define SAA7146_CLIPPING_MEM (16 * 4 * sizeof(u32))

	/* 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