saa7134.h

trident tm5600的linux驱动

	struct saa7134_pgtable  *pt;
};

struct saa7134_dmaqueue {
	struct saa7134_dev         *dev;
	struct saa7134_buf         *curr;
	struct list_head           queue;
	struct timer_list          timeout;
	unsigned int               need_two;
};

/* video filehandle status */
struct saa7134_fh {
	struct saa7134_dev         *dev;
	unsigned int               radio;
	enum v4l2_buf_type         type;
	unsigned int               resources;
	enum v4l2_priority	   prio;

	/* video overlay */
	struct v4l2_window         win;
	struct v4l2_clip           clips[8];
	unsigned int               nclips;

	/* video capture */
	struct saa7134_format      *fmt;
	unsigned int               width,height;
	struct videobuf_queue      cap;
	struct saa7134_pgtable     pt_cap;

	/* vbi capture */
	struct videobuf_queue      vbi;
	struct saa7134_pgtable     pt_vbi;
};

/* dmasound dsp status */
struct saa7134_dmasound {
	struct mutex               lock;
	int                        minor_mixer;
	int                        minor_dsp;
	unsigned int               users_dsp;

	/* mixer */
	enum saa7134_audio_in      input;
	unsigned int               count;
	unsigned int               line1;
	unsigned int               line2;

	/* dsp */
	unsigned int               afmt;
	unsigned int               rate;
	unsigned int               channels;
	unsigned int               recording_on;
	unsigned int               dma_running;
	unsigned int               blocks;
	unsigned int               blksize;
	unsigned int               bufsize;
	struct saa7134_pgtable     pt;
	struct videobuf_dmabuf     dma;
	wait_queue_head_t          wq;
	unsigned int               dma_blk;
	unsigned int               read_offset;
	unsigned int               read_count;
	void *			   priv_data;
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,16)
	snd_pcm_substream_t        *substream;
#else
	struct snd_pcm_substream   *substream;
#endif
};

/* ts/mpeg status */
struct saa7134_ts {
	/* TS capture */
	struct saa7134_pgtable     pt_ts;
	int                        nr_packets;
	int                        nr_bufs;
};

/* ts/mpeg ops */
struct saa7134_mpeg_ops {
	enum saa7134_mpeg_type     type;
	struct list_head           next;
	int                        (*init)(struct saa7134_dev *dev);
	int                        (*fini)(struct saa7134_dev *dev);
	void                       (*signal_change)(struct saa7134_dev *dev);
};

enum saa7134_ts_status {
	SAA7134_TS_STOPPED,
	SAA7134_TS_BUFF_DONE,
	SAA7134_TS_STARTED,
};

/* global device status */
struct saa7134_dev {
	struct list_head           devlist;
	struct mutex               lock;
	spinlock_t                 slock;
	struct v4l2_prio_state     prio;
	/* workstruct for loading modules */
	struct work_struct request_module_wk;

	/* insmod option/autodetected */
	int                        autodetected;

	/* various device info */
	unsigned int               resources;
	struct video_device        *video_dev;
	struct video_device        *radio_dev;
	struct video_device        *vbi_dev;
	struct saa7134_dmasound    dmasound;

	/* infrared remote */
	int                        has_remote;
	struct card_ir		   *remote;

	/* pci i/o */
	char                       name[32];
	int                        nr;
	struct pci_dev             *pci;
	unsigned char              pci_rev,pci_lat;
	__u32                      __iomem *lmmio;
	__u8                       __iomem *bmmio;

	/* config info */
	unsigned int               board;
	unsigned int               tuner_type;
	unsigned int 		   radio_type;
	unsigned char		   tuner_addr;
	unsigned char		   radio_addr;

	unsigned int               tda9887_conf;
	unsigned int               gpio_value;

	/* i2c i/o */
	struct i2c_adapter         i2c_adap;
	struct i2c_client          i2c_client;
	unsigned char              eedata[256];

	/* video overlay */
	struct v4l2_framebuffer    ovbuf;
	struct saa7134_format      *ovfmt;
	unsigned int               ovenable;
	enum v4l2_field            ovfield;

	/* video+ts+vbi capture */
	struct saa7134_dmaqueue    video_q;
	struct saa7134_dmaqueue    vbi_q;
	unsigned int               video_fieldcount;
	unsigned int               vbi_fieldcount;

	/* various v4l controls */
	struct saa7134_tvnorm      *tvnorm;              /* video */
	struct saa7134_tvaudio     *tvaudio;
	unsigned int               ctl_input;
	int                        ctl_bright;
	int                        ctl_contrast;
	int                        ctl_hue;
	int                        ctl_saturation;
	int                        ctl_freq;
	int                        ctl_mute;             /* audio */
	int                        ctl_volume;
	int                        ctl_invert;           /* private */
	int                        ctl_mirror;
	int                        ctl_y_odd;
	int                        ctl_y_even;
	int                        ctl_automute;

	/* crop */
	struct v4l2_rect           crop_bounds;
	struct v4l2_rect           crop_defrect;
	struct v4l2_rect           crop_current;

	/* other global state info */
	unsigned int               automute;
	struct saa7134_thread      thread;
	struct saa7134_input       *input;
	struct saa7134_input       *hw_input;
	unsigned int               hw_mute;
	int                        last_carrier;
	int                        nosignal;
	unsigned int               insuspend;

	/* SAA7134_MPEG_* */
	struct saa7134_ts          ts;
	struct saa7134_dmaqueue    ts_q;
	enum saa7134_ts_status 	   ts_state;
	unsigned int 		   buff_cnt;
	struct saa7134_mpeg_ops    *mops;
	struct i2c_client 	   *mpeg_i2c_client;

	/* SAA7134_MPEG_EMPRESS only */
	struct video_device        *empress_dev;
	struct videobuf_queue      empress_tsq;
	atomic_t 		   empress_users;
	struct work_struct         empress_workqueue;
	int                        empress_started;

#if defined(CONFIG_VIDEO_SAA7134_DVB) || defined(CONFIG_VIDEO_SAA7134_DVB_MODULE)
	/* SAA7134_MPEG_DVB only */
	struct videobuf_dvb_frontends frontends;
	int (*original_demod_sleep)(struct dvb_frontend *fe);
	int (*original_set_voltage)(struct dvb_frontend *fe, fe_sec_voltage_t voltage);
	int (*original_set_high_voltage)(struct dvb_frontend *fe, long arg);
#endif
};

/* ----------------------------------------------------------- */

#define saa_readl(reg)             readl(dev->lmmio + (reg))
#define saa_writel(reg,value)      writel((value), dev->lmmio + (reg));
#define saa_andorl(reg,mask,value) \
  writel((readl(dev->lmmio+(reg)) & ~(mask)) |\
  ((value) & (mask)), dev->lmmio+(reg))
#define saa_setl(reg,bit)          saa_andorl((reg),(bit),(bit))
#define saa_clearl(reg,bit)        saa_andorl((reg),(bit),0)

#define saa_readb(reg)             readb(dev->bmmio + (reg))
#define saa_writeb(reg,value)      writeb((value), dev->bmmio + (reg));
#define saa_andorb(reg,mask,value) \
  writeb((readb(dev->bmmio+(reg)) & ~(mask)) |\
  ((value) & (mask)), dev->bmmio+(reg))
#define saa_setb(reg,bit)          saa_andorb((reg),(bit),(bit))
#define saa_clearb(reg,bit)        saa_andorb((reg),(bit),0)

#define saa_wait(us) { udelay(us); }

#define SAA7134_NORMS	(\
		V4L2_STD_PAL    | V4L2_STD_PAL_N | \
		V4L2_STD_PAL_Nc | V4L2_STD_SECAM | \
		V4L2_STD_NTSC   | V4L2_STD_PAL_M | \
		V4L2_STD_PAL_60)

/* ----------------------------------------------------------- */
/* saa7134-core.c                                              */

extern struct list_head  saa7134_devlist;
extern int saa7134_no_overlay;

void saa7134_track_gpio(struct saa7134_dev *dev, char *msg);
void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value);

#define SAA7134_PGTABLE_SIZE 4096

int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt);
int  saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
			   struct scatterlist *list, unsigned int length,
			   unsigned int startpage);
void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt);

int saa7134_buffer_count(unsigned int size, unsigned int count);
int saa7134_buffer_startpage(struct saa7134_buf *buf);
unsigned long saa7134_buffer_base(struct saa7134_buf *buf);

int saa7134_buffer_queue(struct saa7134_dev *dev, struct saa7134_dmaqueue *q,
			 struct saa7134_buf *buf);
void saa7134_buffer_finish(struct saa7134_dev *dev, struct saa7134_dmaqueue *q,
			   unsigned int state);
void saa7134_buffer_next(struct saa7134_dev *dev, struct saa7134_dmaqueue *q);
void saa7134_buffer_timeout(unsigned long data);
void saa7134_dma_free(struct videobuf_queue *q,struct saa7134_buf *buf);

int saa7134_set_dmabits(struct saa7134_dev *dev);

extern int (*saa7134_dmasound_init)(struct saa7134_dev *dev);
extern int (*saa7134_dmasound_exit)(struct saa7134_dev *dev);


/* ----------------------------------------------------------- */
/* saa7134-cards.c                                             */

extern struct saa7134_board saa7134_boards[];
extern const unsigned int saa7134_bcount;
extern struct pci_device_id __devinitdata saa7134_pci_tbl[];

extern int saa7134_board_init1(struct saa7134_dev *dev);
extern int saa7134_board_init2(struct saa7134_dev *dev);
int saa7134_tuner_callback(void *priv, int component, int command, int arg);


/* ----------------------------------------------------------- */
/* saa7134-i2c.c                                               */

int saa7134_i2c_register(struct saa7134_dev *dev);
int saa7134_i2c_unregister(struct saa7134_dev *dev);
void saa7134_i2c_call_clients(struct saa7134_dev *dev,
			      unsigned int cmd, void *arg);
int saa7134_i2c_call_saa6752(struct saa7134_dev *dev,
			      unsigned int cmd, void *arg);


/* ----------------------------------------------------------- */
/* saa7134-video.c                                             */

extern unsigned int video_debug;
extern struct video_device saa7134_video_template;
extern struct video_device saa7134_radio_template;

int saa7134_s_ctrl_internal(struct saa7134_dev *dev,  struct saa7134_fh *fh, struct v4l2_control *c);
int saa7134_g_ctrl_internal(struct saa7134_dev *dev,  struct saa7134_fh *fh, struct v4l2_control *c);
int saa7134_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *c);
int saa7134_s_std_internal(struct saa7134_dev *dev,  struct saa7134_fh *fh, v4l2_std_id *id);

int saa7134_videoport_init(struct saa7134_dev *dev);
void saa7134_set_tvnorm_hw(struct saa7134_dev *dev);

int saa7134_video_init1(struct saa7134_dev *dev);
int saa7134_video_init2(struct saa7134_dev *dev);
void saa7134_irq_video_signalchange(struct saa7134_dev *dev);
void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status);


/* ----------------------------------------------------------- */
/* saa7134-ts.c                                                */

#define TS_PACKET_SIZE 188 /* TS packets 188 bytes */

extern struct videobuf_queue_ops saa7134_ts_qops;

int saa7134_ts_init1(struct saa7134_dev *dev);
int saa7134_ts_fini(struct saa7134_dev *dev);
void saa7134_irq_ts_done(struct saa7134_dev *dev, unsigned long status);

int saa7134_ts_register(struct saa7134_mpeg_ops *ops);
void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops);

int saa7134_ts_init_hw(struct saa7134_dev *dev);

/* ----------------------------------------------------------- */
/* saa7134-vbi.c                                               */

extern struct videobuf_queue_ops saa7134_vbi_qops;
extern struct video_device saa7134_vbi_template;

int saa7134_vbi_init1(struct saa7134_dev *dev);
int saa7134_vbi_fini(struct saa7134_dev *dev);
void saa7134_irq_vbi_done(struct saa7134_dev *dev, unsigned long status);


/* ----------------------------------------------------------- */
/* saa7134-tvaudio.c                                           */

int saa7134_tvaudio_rx2mode(u32 rx);

void saa7134_tvaudio_setmute(struct saa7134_dev *dev);
void saa7134_tvaudio_setinput(struct saa7134_dev *dev,
			      struct saa7134_input *in);
void saa7134_tvaudio_setvolume(struct saa7134_dev *dev, int level);
int saa7134_tvaudio_getstereo(struct saa7134_dev *dev);

void saa7134_tvaudio_init(struct saa7134_dev *dev);
int saa7134_tvaudio_init2(struct saa7134_dev *dev);
int saa7134_tvaudio_fini(struct saa7134_dev *dev);
int saa7134_tvaudio_do_scan(struct saa7134_dev *dev);

int saa_dsp_writel(struct saa7134_dev *dev, int reg, u32 value);

void saa7134_enable_i2s(struct saa7134_dev *dev);

/* ----------------------------------------------------------- */
/* saa7134-oss.c                                               */

extern const struct file_operations saa7134_dsp_fops;
extern const struct file_operations saa7134_mixer_fops;

int saa7134_oss_init1(struct saa7134_dev *dev);
int saa7134_oss_fini(struct saa7134_dev *dev);
void saa7134_irq_oss_done(struct saa7134_dev *dev, unsigned long status);

/* ----------------------------------------------------------- */
/* saa7134-input.c                                             */

int  saa7134_input_init1(struct saa7134_dev *dev);
void saa7134_input_fini(struct saa7134_dev *dev);
void saa7134_input_irq(struct saa7134_dev *dev);
void saa7134_set_i2c_ir(struct saa7134_dev *dev, struct IR_i2c *ir);
void saa7134_ir_start(struct saa7134_dev *dev, struct card_ir *ir);
void saa7134_ir_stop(struct saa7134_dev *dev);


/*
 * Local variables:
 * c-basic-offset: 8
 * End:
 */