[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / video / bt8xx / bttvp.h

/*

    bttv - Bt848 frame grabber driver

    bttv's *private* header file  --  nobody other than bttv itself
    should ever include this file.

    (c) 2000-2002 Gerd Knorr <kraxel@bytesex.org>

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#ifndef _BTTVP_H_
#define _BTTVP_H_

#include <linux/version.h>
#define BTTV_VERSION_CODE KERNEL_VERSION(0,9,18)

#include <linux/types.h>
#include <linux/wait.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
#include <linux/pci.h>
#include <linux/input.h>
#include <linux/mutex.h>
#include <linux/scatterlist.h>
#include <asm/io.h>
#include <media/v4l2-common.h>
#include <linux/device.h>
#include <media/videobuf-dma-sg.h>
#include <media/tveeprom.h>
#include <media/rc-core.h>
#include <media/ir-kbd-i2c.h>

#include "bt848.h"
#include "bttv.h"
#include "btcx-risc.h"

#ifdef __KERNEL__

#define FORMAT_FLAGS_DITHER       0x01
#define FORMAT_FLAGS_PACKED       0x02
#define FORMAT_FLAGS_PLANAR       0x04
#define FORMAT_FLAGS_RAW          0x08
#define FORMAT_FLAGS_CrCb         0x10

#define RISC_SLOT_O_VBI        4
#define RISC_SLOT_O_FIELD      6
#define RISC_SLOT_E_VBI       10
#define RISC_SLOT_E_FIELD     12
#define RISC_SLOT_LOOP        14

#define RESOURCE_OVERLAY       1
#define RESOURCE_VIDEO_STREAM  2
#define RESOURCE_VBI           4
#define RESOURCE_VIDEO_READ    8

#define RAW_LINES            640
#define RAW_BPL             1024

#define UNSET (-1U)

/* Min. value in VDELAY register. */
#define MIN_VDELAY 2
/* Even to get Cb first, odd for Cr. */
#define MAX_HDELAY (0x3FF & -2)
/* Limits scaled width, which must be a multiple of 4. */
#define MAX_HACTIVE (0x3FF & -4)

#define BTTV_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)
/* ---------------------------------------------------------- */

struct bttv_tvnorm {
	int   v4l2_id;
	char  *name;
	u32   Fsc;
	u16   swidth, sheight; /* scaled standard width, height */
	u16   totalwidth;
	u8    adelay, bdelay, iform;
	u32   scaledtwidth;
	u16   hdelayx1, hactivex1;
	u16   vdelay;
	u8    vbipack;
	u16   vtotal;
	int   sram;
	/* ITU-R frame line number of the first VBI line we can
	   capture, of the first and second field. The last possible line
	   is determined by cropcap.bounds. */
	u16   vbistart[2];
	/* Horizontally this counts fCLKx1 samples following the leading
	   edge of the horizontal sync pulse, vertically ITU-R frame line
	   numbers of the first field times two (2, 4, 6, ... 524 or 624). */
	struct v4l2_cropcap cropcap;
};
extern const struct bttv_tvnorm bttv_tvnorms[];

struct bttv_format {
	char *name;
	int  fourcc;          /* video4linux 2      */
	int  btformat;        /* BT848_COLOR_FMT_*  */
	int  btswap;          /* BT848_COLOR_CTL_*  */
	int  depth;           /* bit/pixel          */
	int  flags;
	int  hshift,vshift;   /* for planar modes   */
};

struct card_ir {
	struct rc_dev           *dev;

	char                    name[32];
	char                    phys[32];
#if 0
	int                     users;
	u32                     running:1;
#endif
	/* Usual gpio signalling */
	u32                     mask_keycode;
	u32                     mask_keydown;
	u32                     mask_keyup;
	u32                     polling;
	u32                     last_gpio;
	int                     shift_by;
	int                     start; // What should RC5_START() be
	int                     addr; // What RC5_ADDR() should be.
	int                     rc5_remote_gap;
	struct work_struct      work;
	struct timer_list       timer;

	/* RC5 gpio */
	u32 rc5_gpio;
	struct timer_list timer_end;    /* timer_end for code completion */
	u32 last_bit;                   /* last raw bit seen */
	u32 code;                       /* raw code under construction */
	struct timeval base_time;       /* time of last seen code */
	int active;                     /* building raw code */

#if 0
	/* NEC decoding */
	u32                     nec_gpio;
	struct tasklet_struct   tlet;

	/* IR core raw decoding */
	u32                     raw_decode;
#endif
};


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

struct bttv_geometry {
	u8  vtc,crop,comb;
	u16 width,hscale,hdelay;
	u16 sheight,vscale,vdelay,vtotal;
};

struct bttv_buffer {
	/* common v4l buffer stuff -- must be first */
	struct videobuf_buffer     vb;

	/* bttv specific */
	const struct bttv_format   *fmt;
	unsigned int               tvnorm;
	int                        btformat;
	int                        btswap;
	struct bttv_geometry       geo;
	struct btcx_riscmem        top;
	struct btcx_riscmem        bottom;
	struct v4l2_rect           crop;
	unsigned int               vbi_skip[2];
	unsigned int               vbi_count[2];
};

struct bttv_buffer_set {
	struct bttv_buffer     *top;       /* top field buffer    */
	struct bttv_buffer     *bottom;    /* bottom field buffer */
	unsigned int           top_irq;
	unsigned int           frame_irq;
};

struct bttv_overlay {
	unsigned int           tvnorm;
	struct v4l2_rect       w;
	enum v4l2_field        field;
	struct v4l2_clip       *clips;
	int                    nclips;
	int                    setup_ok;
};

struct bttv_vbi_fmt {
	struct v4l2_vbi_format fmt;

	/* fmt.start[] and count[] refer to this video standard. */
	const struct bttv_tvnorm *tvnorm;

	/* Earliest possible start of video capturing with this
	   v4l2_vbi_format, in struct bttv_crop.rect units. */
	__s32                  end;
};

/* bttv-vbi.c */
void bttv_vbi_fmt_reset(struct bttv_vbi_fmt *f, unsigned int norm);

struct bttv_crop {
	/* A cropping rectangle in struct bttv_tvnorm.cropcap units. */
	struct v4l2_rect       rect;

	/* Scaled image size limits with this crop rect. Divide
	   max_height, but not min_height, by two when capturing
	   single fields. See also bttv_crop_reset() and
	   bttv_crop_adjust() in bttv-driver.c. */
	__s32                  min_scaled_width;
	__s32                  min_scaled_height;
	__s32                  max_scaled_width;
	__s32                  max_scaled_height;
};

struct bttv_fh {
	struct bttv              *btv;
	int resources;
#ifdef VIDIOC_G_PRIORITY
	enum v4l2_priority       prio;
#endif
	enum v4l2_buf_type       type;

	/* video capture */
	struct videobuf_queue    cap;
	const struct bttv_format *fmt;
	int                      width;
	int                      height;

	/* video overlay */
	const struct bttv_format *ovfmt;
	struct bttv_overlay      ov;

	/* Application called VIDIOC_S_CROP. */
	int                      do_crop;

	/* vbi capture */
	struct videobuf_queue    vbi;
	/* Current VBI capture window as seen through this fh (cannot
	   be global for compatibility with earlier drivers). Protected
	   by struct bttv.lock and struct bttv_fh.vbi.lock. */
	struct bttv_vbi_fmt      vbi_fmt;
};

/* ---------------------------------------------------------- */
/* bttv-risc.c                                                */

/* risc code generators - capture */
int bttv_risc_packed(struct bttv *btv, struct btcx_riscmem *risc,
		     struct scatterlist *sglist,
		     unsigned int offset, unsigned int bpl,
		     unsigned int pitch, unsigned int skip_lines,
		     unsigned int store_lines);

/* control dma register + risc main loop */
void bttv_set_dma(struct bttv *btv, int override);
int bttv_risc_init_main(struct bttv *btv);
int bttv_risc_hook(struct bttv *btv, int slot, struct btcx_riscmem *risc,
		   int irqflags);

/* capture buffer handling */
int bttv_buffer_risc(struct bttv *btv, struct bttv_buffer *buf);
int bttv_buffer_activate_video(struct bttv *btv,
			       struct bttv_buffer_set *set);
int bttv_buffer_activate_vbi(struct bttv *btv,
			     struct bttv_buffer *vbi);
void bttv_dma_free(struct videobuf_queue *q, struct bttv *btv,
		   struct bttv_buffer *buf);

/* overlay handling */
int bttv_overlay_risc(struct bttv *btv, struct bttv_overlay *ov,
		      const struct bttv_format *fmt,
		      struct bttv_buffer *buf);


/* ---------------------------------------------------------- */
/* bttv-vbi.c                                                 */

int bttv_try_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f);
int bttv_g_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f);
int bttv_s_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f);

extern struct videobuf_queue_ops bttv_vbi_qops;

/* ---------------------------------------------------------- */
/* bttv-gpio.c */

extern struct bus_type bttv_sub_bus_type;
int bttv_sub_add_device(struct bttv_core *core, char *name);
int bttv_sub_del_devices(struct bttv_core *core);

/* ---------------------------------------------------------- */
/* bttv-cards.c                                               */

extern int no_overlay;

/* ---------------------------------------------------------- */
/* bttv-input.c                                               */

extern void init_bttv_i2c_ir(struct bttv *btv);
extern int fini_bttv_i2c(struct bttv *btv);

/* ---------------------------------------------------------- */
/* bttv-driver.c                                              */

/* insmod options */
extern unsigned int bttv_verbose;
extern unsigned int bttv_debug;
extern unsigned int bttv_gpio;
extern void bttv_gpio_tracking(struct bttv *btv, char *comment);
extern int init_bttv_i2c(struct bttv *btv);

#define bttv_printk if (bttv_verbose) printk
#define dprintk  if (bttv_debug >= 1) printk
#define d2printk if (bttv_debug >= 2) printk

#define BTTV_MAX_FBUF   0x208000
#define BTTV_TIMEOUT    msecs_to_jiffies(500)    /* 0.5 seconds */
#define BTTV_FREE_IDLE  msecs_to_jiffies(1000)   /* one second */


struct bttv_pll_info {
	unsigned int pll_ifreq;    /* PLL input frequency        */
	unsigned int pll_ofreq;    /* PLL output frequency       */
	unsigned int pll_crystal;  /* Crystal used for input     */
	unsigned int pll_current;  /* Currently programmed ofreq */
};

/* for gpio-connected remote control */
struct bttv_input {
	struct input_dev      *dev;
	char                  name[32];
	char                  phys[32];
	u32                   mask_keycode;
	u32                   mask_keydown;
};

struct bttv_suspend_state {
	u32  gpio_enable;
	u32  gpio_data;
	int  disabled;
	int  loop_irq;
	struct bttv_buffer_set video;
	struct bttv_buffer     *vbi;
};

struct bttv {
	struct bttv_core c;

	/* pci device config */
	unsigned short id;
	unsigned char revision;
	unsigned char __iomem *bt848_mmio;   /* pointer to mmio */

	/* card configuration info */
	unsigned int cardid;   /* pci subsystem id (bt878 based ones) */
	unsigned int tuner_type;  /* tuner chip type */
	unsigned int tda9887_conf;
	unsigned int svhs, dig;
	unsigned int has_saa6588:1;
	struct bttv_pll_info pll;
	int triton1;
	int gpioirq;
	int (*custom_irq)(struct bttv *btv);

	int use_i2c_hw;

	/* old gpio interface */
	wait_queue_head_t gpioq;
	int shutdown;

	void (*volume_gpio)(struct bttv *btv, __u16 volume);
	void (*audio_mode_gpio)(struct bttv *btv, struct v4l2_tuner *tuner, int set);

	/* new gpio interface */
	spinlock_t gpio_lock;

	/* i2c layer */
	struct i2c_algo_bit_data   i2c_algo;
	struct i2c_client          i2c_client;
	int                        i2c_state, i2c_rc;
	int                        i2c_done;
	wait_queue_head_t          i2c_queue;
	struct v4l2_subdev 	  *sd_msp34xx;
	struct v4l2_subdev 	  *sd_tvaudio;

	/* video4linux (1) */
	struct video_device *video_dev;
	struct video_device *radio_dev;
	struct video_device *vbi_dev;

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

	/* I2C remote data */
	struct IR_i2c_init_data    init_data;

	/* locking */
	spinlock_t s_lock;
	struct mutex lock;
	int resources;
#ifdef VIDIOC_G_PRIORITY
	struct v4l2_prio_state prio;
#endif

	/* video state */
	unsigned int input;
	unsigned int audio;
	unsigned int mute;
	unsigned long freq;
	unsigned int tvnorm;
	int hue, contrast, bright, saturation;
	struct v4l2_framebuffer fbuf;
	unsigned int field_count;

	/* various options */
	int opt_combfilter;
	int opt_lumafilter;
	int opt_automute;
	int opt_chroma_agc;
	int opt_adc_crush;
	int opt_vcr_hack;
	int opt_whitecrush_upper;
	int opt_whitecrush_lower;
	int opt_uv_ratio;
	int opt_full_luma_range;
	int opt_coring;

	/* radio data/state */
	int has_radio;
	int radio_user;

	/* miro/pinnacle + Aimslab VHX
	   philips matchbox (tea5757 radio tuner) support */
	int has_matchbox;
	int mbox_we;
	int mbox_data;
	int mbox_clk;
	int mbox_most;
	int mbox_mask;

	/* ISA stuff (Terratec Active Radio Upgrade) */
	int mbox_ior;
	int mbox_iow;
	int mbox_csel;

	/* risc memory management data
	   - must acquire s_lock before changing these
	   - only the irq handler is supported to touch top + bottom + vcurr */
	struct btcx_riscmem     main;
	struct bttv_buffer      *screen;    /* overlay             */
	struct list_head        capture;    /* video capture queue */
	struct list_head        vcapture;   /* vbi capture queue   */
	struct bttv_buffer_set  curr;       /* active buffers      */
	struct bttv_buffer      *cvbi;      /* active vbi buffer   */
	int                     loop_irq;
	int                     new_input;

	unsigned long cap_ctl;
	unsigned long dma_on;
	struct timer_list timeout;
	struct bttv_suspend_state state;

	/* stats */
	unsigned int errors;
	unsigned int framedrop;
	unsigned int irq_total;
	unsigned int irq_me;

	unsigned int users;
	struct bttv_fh init;

	/* used to make dvb-bt8xx autoloadable */
	struct work_struct request_module_wk;

	/* Default (0) and current (1) video capturing and overlay
	   cropping parameters in bttv_tvnorm.cropcap units. Protected
	   by bttv.lock. */
	struct bttv_crop crop[2];

	/* Earliest possible start of video capturing in
	   bttv_tvnorm.cropcap line units. Set by check_alloc_btres()
	   and free_btres(). Protected by bttv.lock. */
	__s32			vbi_end;

	/* Latest possible end of VBI capturing (= crop[x].rect.top when
	   VIDEO_RESOURCES are locked). Set by check_alloc_btres()
	   and free_btres(). Protected by bttv.lock. */
	__s32			crop_start;
};

static inline struct bttv *to_bttv(struct v4l2_device *v4l2_dev)
{
	return container_of(v4l2_dev, struct bttv, c.v4l2_dev);
}

/* our devices */
#define BTTV_MAX 32
extern unsigned int bttv_num;
extern struct bttv *bttvs[BTTV_MAX];

static inline unsigned int bttv_muxsel(const struct bttv *btv,
				       unsigned int input)
{
	return (bttv_tvcards[btv->c.type].muxsel >> (input * 2)) & 3;
}

#endif

#define btwrite(dat,adr)    writel((dat), btv->bt848_mmio+(adr))
#define btread(adr)         readl(btv->bt848_mmio+(adr))

#define btand(dat,adr)      btwrite((dat) & btread(adr), adr)
#define btor(dat,adr)       btwrite((dat) | btread(adr), adr)
#define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr)

#endif /* _BTTVP_H_ */

/*
 * Local variables:
 * c-basic-offset: 8
 * End:
 */
Commit	Line	Data
1da177e4	1	/*
1da177e4 LT	2
	3	bttv - Bt848 frame grabber driver
	4
	5	bttv's private header file -- nobody other than bttv itself
	6	should ever include this file.
	7
	8	(c) 2000-2002 Gerd Knorr <kraxel@bytesex.org>
	9
	10	This program is free software; you can redistribute it and/or modify
	11	it under the terms of the GNU General Public License as published by
	12	the Free Software Foundation; either version 2 of the License, or
	13	(at your option) any later version.
	14
	15	This program is distributed in the hope that it will be useful,
	16	but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	GNU General Public License for more details.
	19
	20	You should have received a copy of the GNU General Public License
	21	along with this program; if not, write to the Free Software
	22	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	23	*/
	24
	25	#ifndef _BTTVP_H_
	26	#define _BTTVP_H_
	27
10b89ee3	28	#include <linux/version.h>
3ff4ad81	29	#define BTTV_VERSION_CODE KERNEL_VERSION(0,9,18)
1da177e4 LT	30
	31	#include <linux/types.h>
	32	#include <linux/wait.h>
	33	#include <linux/i2c.h>
	34	#include <linux/i2c-algo-bit.h>
1da177e4 LT	35	#include <linux/pci.h>
1da177e4 LT	36	#include <linux/input.h>
bd5f0ac9	37	#include <linux/mutex.h>
87ae9afd	38	#include <linux/scatterlist.h>
1da177e4	39	#include <asm/io.h>
18f3fa1e	40	#include <media/v4l2-common.h>
1da177e4	41	#include <linux/device.h>
c1accaa2	42	#include <media/videobuf-dma-sg.h>
1da177e4	43	#include <media/tveeprom.h>
6bda9644	44	#include <media/rc-core.h>
c0c46826	45	#include <media/ir-kbd-i2c.h>
674434c6	46
1da177e4 LT	47	#include "bt848.h"
	48	#include "bttv.h"
	49	#include "btcx-risc.h"
	50
	51	#ifdef __KERNEL__
	52
	53	#define FORMAT_FLAGS_DITHER 0x01
	54	#define FORMAT_FLAGS_PACKED 0x02
	55	#define FORMAT_FLAGS_PLANAR 0x04
	56	#define FORMAT_FLAGS_RAW 0x08
	57	#define FORMAT_FLAGS_CrCb 0x10
	58
	59	#define RISC_SLOT_O_VBI 4
	60	#define RISC_SLOT_O_FIELD 6
	61	#define RISC_SLOT_E_VBI 10
	62	#define RISC_SLOT_E_FIELD 12
	63	#define RISC_SLOT_LOOP 14
	64
	65	#define RESOURCE_OVERLAY 1
e5bd0260	66	#define RESOURCE_VIDEO_STREAM 2
1da177e4	67	#define RESOURCE_VBI 4
e5bd0260	68	#define RESOURCE_VIDEO_READ 8
1da177e4 LT	69
	70	#define RAW_LINES 640
	71	#define RAW_BPL 1024
	72
	73	#define UNSET (-1U)
	74
e5bd0260 MS	75	/* Min. value in VDELAY register. */
	76	#define MIN_VDELAY 2
	77	/* Even to get Cb first, odd for Cr. */
	78	#define MAX_HDELAY (0x3FF & -2)
	79	/* Limits scaled width, which must be a multiple of 4. */
	80	#define MAX_HACTIVE (0x3FF & -4)
	81
402aa76a DSL	82	#define BTTV_NORMS (\
	83	V4L2_STD_PAL \| V4L2_STD_PAL_N \| \
	84	V4L2_STD_PAL_Nc \| V4L2_STD_SECAM \| \
	85	V4L2_STD_NTSC \| V4L2_STD_PAL_M \| \
	86	V4L2_STD_PAL_60)
1da177e4 LT	87	/* ---------------------------------------------------------- */
	88
	89	struct bttv_tvnorm {
	90	int v4l2_id;
	91	char *name;
4ac97914 MCC	92	u32 Fsc;
4ac97914 MCC	93	u16 swidth, sheight; /* scaled standard width, height */
1da177e4 LT	94	u16 totalwidth;
	95	u8 adelay, bdelay, iform;
	96	u32 scaledtwidth;
	97	u16 hdelayx1, hactivex1;
	98	u16 vdelay;
4ac97914	99	u8 vbipack;
1da177e4 LT	100	u16 vtotal;
1da177e4 LT	101	int sram;
67f1570a	102	/* ITU-R frame line number of the first VBI line we can
e5bd0260 MS	103	capture, of the first and second field. The last possible line
e5bd0260 MS	104	is determined by cropcap.bounds. */
67f1570a	105	u16 vbistart[2];
e5bd0260 MS	106	/* Horizontally this counts fCLKx1 samples following the leading
	107	edge of the horizontal sync pulse, vertically ITU-R frame line
	108	numbers of the first field times two (2, 4, 6, ... 524 or 624). */
	109	struct v4l2_cropcap cropcap;
1da177e4 LT	110	};
	111	extern const struct bttv_tvnorm bttv_tvnorms[];
	112
	113	struct bttv_format {
	114	char *name;
1da177e4 LT	115	int fourcc; /* video4linux 2 */
	116	int btformat; /* BT848_COLOR_FMT_* */
	117	int btswap; /* BT848_COLOR_CTL_* */
	118	int depth; /* bit/pixel */
	119	int flags;
	120	int hshift,vshift; /* for planar modes */
	121	};
	122
a6e3b81f MCC	123	struct card_ir {
	124	struct rc_dev *dev;
	125
	126	char name[32];
	127	char phys[32];
	128	#if 0
	129	int users;
	130	u32 running:1;
	131	#endif
	132	/* Usual gpio signalling */
	133	u32 mask_keycode;
	134	u32 mask_keydown;
	135	u32 mask_keyup;
	136	u32 polling;
	137	u32 last_gpio;
	138	int shift_by;
	139	int start; // What should RC5_START() be
	140	int addr; // What RC5_ADDR() should be.
	141	int rc5_remote_gap;
	142	struct work_struct work;
	143	struct timer_list timer;
	144
	145	/* RC5 gpio */
	146	u32 rc5_gpio;
	147	struct timer_list timer_end; /* timer_end for code completion */
	148	u32 last_bit; /* last raw bit seen */
	149	u32 code; /* raw code under construction */
	150	struct timeval base_time; /* time of last seen code */
	151	int active; /* building raw code */
	152
	153	#if 0
	154	/* NEC decoding */
	155	u32 nec_gpio;
	156	struct tasklet_struct tlet;
	157
	158	/* IR core raw decoding */
	159	u32 raw_decode;
	160	#endif
	161	};
	162
	163
1da177e4 LT	164	/* ---------------------------------------------------------- */
	165
	166	struct bttv_geometry {
	167	u8 vtc,crop,comb;
	168	u16 width,hscale,hdelay;
	169	u16 sheight,vscale,vdelay,vtotal;
	170	};
	171
	172	struct bttv_buffer {
	173	/* common v4l buffer stuff -- must be first */
	174	struct videobuf_buffer vb;
	175
	176	/* bttv specific */
	177	const struct bttv_format *fmt;
4ef2ccc2	178	unsigned int tvnorm;
1da177e4 LT	179	int btformat;
	180	int btswap;
	181	struct bttv_geometry geo;
	182	struct btcx_riscmem top;
	183	struct btcx_riscmem bottom;
e5bd0260 MS	184	struct v4l2_rect crop;
	185	unsigned int vbi_skip[2];
	186	unsigned int vbi_count[2];
1da177e4 LT	187	};
	188
	189	struct bttv_buffer_set {
	190	struct bttv_buffer top; / top field buffer */
	191	struct bttv_buffer bottom; / bottom field buffer */
	192	unsigned int top_irq;
	193	unsigned int frame_irq;
	194	};
	195
	196	struct bttv_overlay {
4ef2ccc2	197	unsigned int tvnorm;
1da177e4 LT	198	struct v4l2_rect w;
	199	enum v4l2_field field;
	200	struct v4l2_clip *clips;
	201	int nclips;
	202	int setup_ok;
	203	};
	204
e5bd0260 MS	205	struct bttv_vbi_fmt {
	206	struct v4l2_vbi_format fmt;
	207
	208	/* fmt.start[] and count[] refer to this video standard. */
	209	const struct bttv_tvnorm *tvnorm;
	210
	211	/* Earliest possible start of video capturing with this
	212	v4l2_vbi_format, in struct bttv_crop.rect units. */
	213	__s32 end;
	214	};
	215
	216	/* bttv-vbi.c */
4ef2ccc2	217	void bttv_vbi_fmt_reset(struct bttv_vbi_fmt *f, unsigned int norm);
e5bd0260 MS	218
	219	struct bttv_crop {
	220	/* A cropping rectangle in struct bttv_tvnorm.cropcap units. */
	221	struct v4l2_rect rect;
	222
	223	/* Scaled image size limits with this crop rect. Divide
	224	max_height, but not min_height, by two when capturing
	225	single fields. See also bttv_crop_reset() and
	226	bttv_crop_adjust() in bttv-driver.c. */
	227	__s32 min_scaled_width;
	228	__s32 min_scaled_height;
	229	__s32 max_scaled_width;
	230	__s32 max_scaled_height;
	231	};
	232
1da177e4 LT	233	struct bttv_fh {
	234	struct bttv *btv;
	235	int resources;
	236	#ifdef VIDIOC_G_PRIORITY
	237	enum v4l2_priority prio;
	238	#endif
	239	enum v4l2_buf_type type;
	240
	241	/* video capture */
	242	struct videobuf_queue cap;
	243	const struct bttv_format *fmt;
	244	int width;
	245	int height;
	246
e5bd0260	247	/* video overlay */
1da177e4 LT	248	const struct bttv_format *ovfmt;
	249	struct bttv_overlay ov;
	250
e5bd0260 MS	251	/* Application called VIDIOC_S_CROP. */
	252	int do_crop;
	253
	254	/* vbi capture */
1da177e4	255	struct videobuf_queue vbi;
e5bd0260 MS	256	/* Current VBI capture window as seen through this fh (cannot
	257	be global for compatibility with earlier drivers). Protected
	258	by struct bttv.lock and struct bttv_fh.vbi.lock. */
	259	struct bttv_vbi_fmt vbi_fmt;
1da177e4 LT	260	};
	261
	262	/* ---------------------------------------------------------- */
	263	/* bttv-risc.c */
	264
	265	/* risc code generators - capture */
	266	int bttv_risc_packed(struct bttv btv, struct btcx_riscmem risc,
	267	struct scatterlist *sglist,
	268	unsigned int offset, unsigned int bpl,
e5bd0260 MS	269	unsigned int pitch, unsigned int skip_lines,
e5bd0260 MS	270	unsigned int store_lines);
1da177e4 LT	271
	272	/* control dma register + risc main loop */
	273	void bttv_set_dma(struct bttv *btv, int override);
	274	int bttv_risc_init_main(struct bttv *btv);
	275	int bttv_risc_hook(struct bttv btv, int slot, struct btcx_riscmem risc,
	276	int irqflags);
	277
	278	/* capture buffer handling */
	279	int bttv_buffer_risc(struct bttv btv, struct bttv_buffer buf);
	280	int bttv_buffer_activate_video(struct bttv *btv,
	281	struct bttv_buffer_set *set);
	282	int bttv_buffer_activate_vbi(struct bttv *btv,
	283	struct bttv_buffer *vbi);
c7b0ac05 MCC	284	void bttv_dma_free(struct videobuf_queue q, struct bttv btv,
c7b0ac05 MCC	285	struct bttv_buffer *buf);
1da177e4 LT	286
	287	/* overlay handling */
	288	int bttv_overlay_risc(struct bttv btv, struct bttv_overlay ov,
	289	const struct bttv_format *fmt,
	290	struct bttv_buffer *buf);
	291
	292
	293	/* ---------------------------------------------------------- */
	294	/* bttv-vbi.c */
	295
78b526a4 HV	296	int bttv_try_fmt_vbi_cap(struct file file, void fh, struct v4l2_format *f);
	297	int bttv_g_fmt_vbi_cap(struct file file, void fh, struct v4l2_format *f);
	298	int bttv_s_fmt_vbi_cap(struct file file, void fh, struct v4l2_format *f);
1da177e4 LT	299
	300	extern struct videobuf_queue_ops bttv_vbi_qops;
	301
	302	/* ---------------------------------------------------------- */
	303	/* bttv-gpio.c */
	304
1da177e4 LT	305	extern struct bus_type bttv_sub_bus_type;
	306	int bttv_sub_add_device(struct bttv_core core, char name);
	307	int bttv_sub_del_devices(struct bttv_core *core);
1da177e4	308
c6eb8eaf HV	309	/* ---------------------------------------------------------- */
	310	/* bttv-cards.c */
	311
	312	extern int no_overlay;
	313
c0c46826 MCC	314	/* ---------------------------------------------------------- */
	315	/* bttv-input.c */
	316
	317	extern void init_bttv_i2c_ir(struct bttv *btv);
	318	extern int fini_bttv_i2c(struct bttv *btv);
	319
1da177e4 LT	320	/* ---------------------------------------------------------- */
	321	/* bttv-driver.c */
	322
	323	/* insmod options */
	324	extern unsigned int bttv_verbose;
	325	extern unsigned int bttv_debug;
	326	extern unsigned int bttv_gpio;
	327	extern void bttv_gpio_tracking(struct bttv btv, char comment);
	328	extern int init_bttv_i2c(struct bttv *btv);
1da177e4	329
e1e70a26	330	#define bttv_printk if (bttv_verbose) printk
1da177e4 LT	331	#define dprintk if (bttv_debug >= 1) printk
	332	#define d2printk if (bttv_debug >= 2) printk
	333
1da177e4	334	#define BTTV_MAX_FBUF 0x208000
fe06fe0a MCC	335	#define BTTV_TIMEOUT msecs_to_jiffies(500) /* 0.5 seconds */
fe06fe0a MCC	336	#define BTTV_FREE_IDLE msecs_to_jiffies(1000) /* one second */
1da177e4 LT	337
	338
	339	struct bttv_pll_info {
	340	unsigned int pll_ifreq; /* PLL input frequency */
	341	unsigned int pll_ofreq; /* PLL output frequency */
	342	unsigned int pll_crystal; /* Crystal used for input */
	343	unsigned int pll_current; /* Currently programmed ofreq */
	344	};
	345
	346	/* for gpio-connected remote control */
	347	struct bttv_input {
b7df3910	348	struct input_dev *dev;
1da177e4 LT	349	char name[32];
	350	char phys[32];
	351	u32 mask_keycode;
	352	u32 mask_keydown;
	353	};
	354
	355	struct bttv_suspend_state {
	356	u32 gpio_enable;
	357	u32 gpio_data;
	358	int disabled;
	359	int loop_irq;
	360	struct bttv_buffer_set video;
	361	struct bttv_buffer *vbi;
	362	};
	363
	364	struct bttv {
	365	struct bttv_core c;
	366
	367	/* pci device config */
	368	unsigned short id;
	369	unsigned char revision;
	370	unsigned char __iomem bt848_mmio; / pointer to mmio */
	371
	372	/* card configuration info */
	373	unsigned int cardid; /* pci subsystem id (bt878 based ones) */
4ac97914	374	unsigned int tuner_type; /* tuner chip type */
39e8f40d	375	unsigned int tda9887_conf;
5221e21e	376	unsigned int svhs, dig;
859f0277	377	unsigned int has_saa6588:1;
1da177e4 LT	378	struct bttv_pll_info pll;
	379	int triton1;
	380	int gpioirq;
4abdfed5 RC	381	int (custom_irq)(struct bttv btv);
4abdfed5 RC	382
1da177e4 LT	383	int use_i2c_hw;
	384
	385	/* old gpio interface */
	386	wait_queue_head_t gpioq;
	387	int shutdown;
4b9b936f NS	388
	389	void (volume_gpio)(struct bttv btv, __u16 volume);
	390	void (audio_mode_gpio)(struct bttv btv, struct v4l2_tuner *tuner, int set);
	391
1da177e4 LT	392	/* new gpio interface */
	393	spinlock_t gpio_lock;
	394
	395	/* i2c layer */
	396	struct i2c_algo_bit_data i2c_algo;
	397	struct i2c_client i2c_client;
	398	int i2c_state, i2c_rc;
	399	int i2c_done;
	400	wait_queue_head_t i2c_queue;
859f0277 HV	401	struct v4l2_subdev *sd_msp34xx;
859f0277 HV	402	struct v4l2_subdev *sd_tvaudio;
1da177e4 LT	403
	404	/* video4linux (1) */
	405	struct video_device *video_dev;
	406	struct video_device *radio_dev;
	407	struct video_device *vbi_dev;
	408
	409	/* infrared remote */
	410	int has_remote;
9160723e	411	struct card_ir *remote;
1da177e4	412
c0c46826 MCC	413	/* I2C remote data */
	414	struct IR_i2c_init_data init_data;
	415
1da177e4 LT	416	/* locking */
1da177e4 LT	417	spinlock_t s_lock;
bd5f0ac9	418	struct mutex lock;
1da177e4	419	int resources;
1da177e4 LT	420	#ifdef VIDIOC_G_PRIORITY
	421	struct v4l2_prio_state prio;
	422	#endif
	423
	424	/* video state */
	425	unsigned int input;
	426	unsigned int audio;
8bf2f8e7	427	unsigned int mute;
1da177e4	428	unsigned long freq;
4ef2ccc2 TP	429	unsigned int tvnorm;
4ef2ccc2 TP	430	int hue, contrast, bright, saturation;
1da177e4 LT	431	struct v4l2_framebuffer fbuf;
	432	unsigned int field_count;
	433
	434	/* various options */
	435	int opt_combfilter;
	436	int opt_lumafilter;
	437	int opt_automute;
	438	int opt_chroma_agc;
	439	int opt_adc_crush;
	440	int opt_vcr_hack;
	441	int opt_whitecrush_upper;
	442	int opt_whitecrush_lower;
060d3027 MCC	443	int opt_uv_ratio;
	444	int opt_full_luma_range;
	445	int opt_coring;
1da177e4 LT	446
	447	/* radio data/state */
	448	int has_radio;
	449	int radio_user;
	450
	451	/* miro/pinnacle + Aimslab VHX
	452	philips matchbox (tea5757 radio tuner) support */
	453	int has_matchbox;
	454	int mbox_we;
	455	int mbox_data;
	456	int mbox_clk;
	457	int mbox_most;
	458	int mbox_mask;
	459
	460	/* ISA stuff (Terratec Active Radio Upgrade) */
	461	int mbox_ior;
	462	int mbox_iow;
	463	int mbox_csel;
	464
	465	/* risc memory management data
0418726b	466	- must acquire s_lock before changing these
1da177e4 LT	467	- only the irq handler is supported to touch top + bottom + vcurr */
	468	struct btcx_riscmem main;
	469	struct bttv_buffer screen; / overlay */
	470	struct list_head capture; /* video capture queue */
	471	struct list_head vcapture; /* vbi capture queue */
	472	struct bttv_buffer_set curr; /* active buffers */
	473	struct bttv_buffer cvbi; / active vbi buffer */
	474	int loop_irq;
	475	int new_input;
	476
	477	unsigned long cap_ctl;
	478	unsigned long dma_on;
	479	struct timer_list timeout;
	480	struct bttv_suspend_state state;
	481
	482	/* stats */
	483	unsigned int errors;
	484	unsigned int framedrop;
	485	unsigned int irq_total;
	486	unsigned int irq_me;
	487
	488	unsigned int users;
	489	struct bttv_fh init;
e5bd0260	490
f992a497 JW	491	/* used to make dvb-bt8xx autoloadable */
	492	struct work_struct request_module_wk;
	493
e5bd0260 MS	494	/* Default (0) and current (1) video capturing and overlay
	495	cropping parameters in bttv_tvnorm.cropcap units. Protected
	496	by bttv.lock. */
	497	struct bttv_crop crop[2];
	498
	499	/* Earliest possible start of video capturing in
	500	bttv_tvnorm.cropcap line units. Set by check_alloc_btres()
	501	and free_btres(). Protected by bttv.lock. */
	502	__s32 vbi_end;
	503
	504	/* Latest possible end of VBI capturing (= crop[x].rect.top when
	505	VIDEO_RESOURCES are locked). Set by check_alloc_btres()
	506	and free_btres(). Protected by bttv.lock. */
	507	__s32 crop_start;
1da177e4	508	};
2d03e289	509
74fc7bd9 HV	510	static inline struct bttv to_bttv(struct v4l2_device v4l2_dev)
	511	{
	512	return container_of(v4l2_dev, struct bttv, c.v4l2_dev);
	513	}
	514
2d03e289	515	/* our devices */
2499abe7	516	#define BTTV_MAX 32
2d03e289	517	extern unsigned int bttv_num;
4b10d3b6	518	extern struct bttv *bttvs[BTTV_MAX];
1da177e4	519
6f98700a TP	520	static inline unsigned int bttv_muxsel(const struct bttv *btv,
	521	unsigned int input)
	522	{
	523	return (bttv_tvcards[btv->c.type].muxsel >> (input * 2)) & 3;
	524	}
	525
1da177e4 LT	526	#endif
	527
	528	#define btwrite(dat,adr) writel((dat), btv->bt848_mmio+(adr))
	529	#define btread(adr) readl(btv->bt848_mmio+(adr))
	530
	531	#define btand(dat,adr) btwrite((dat) & btread(adr), adr)
	532	#define btor(dat,adr) btwrite((dat) \| btread(adr), adr)
	533	#define btaor(dat,mask,adr) btwrite((dat) \| ((mask) & btread(adr)), adr)
	534
	535	#endif /* _BTTVP_H_ */
	536
	537	/*
	538	* Local variables:
	539	* c-basic-offset: 8
	540	* End:
	541	*/