[deliverable/linux.git] / drivers / media / pci / 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/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 <linux/device.h>
#include <asm/io.h>
#include <media/v4l2-common.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-fh.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 bttv_ir {
	struct rc_dev           *dev;
	struct timer_list       timer;

	char                    name[32];
	char                    phys[32];

	/* Usual gpio signalling */
	u32                     mask_keycode;
	u32                     mask_keydown;
	u32                     mask_keyup;
	u32                     polling;
	u32                     last_gpio;
	int                     shift_by;
	int                     rc5_remote_gap;

	/* RC5 gpio */
	bool			rc5_gpio;   /* Is RC5 legacy GPIO enabled? */
	u32                     last_bit;   /* last raw bit seen */
	u32                     code;       /* raw code under construction */
	struct timeval          base_time;  /* time of last seen code */
	bool                    active;     /* building raw code */
};


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

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 {
	/* This must be the first field in this struct */
	struct v4l2_fh		 fh;

	struct bttv              *btv;
	int resources;
	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);

/* ---------------------------------------------------------- */
/* bttv-i2c.c                                                 */
extern int init_bttv_i2c(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);

#define dprintk(fmt, ...)			\
do {						\
	if (bttv_debug >= 1)			\
		pr_debug(fmt, ##__VA_ARGS__);	\
} while (0)
#define dprintk_cont(fmt, ...)			\
do {						\
	if (bttv_debug >= 1)			\
		pr_cont(fmt, ##__VA_ARGS__);	\
} while (0)
#define d2printk(fmt, ...)			\
do {						\
	if (bttv_debug >= 2)			\
		printk(fmt, ##__VA_ARGS__);	\
} while (0)

#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 use_i2c_hw;

	/* old gpio interface */
	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;
	struct v4l2_subdev	  *sd_tda7432;

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

	/* controls */
	struct v4l2_ctrl_handler   ctrl_handler;
	struct v4l2_ctrl_handler   radio_ctrl_handler;

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

	/* I2C remote data */
	struct IR_i2c_init_data    init_data;

	/* locking */
	spinlock_t s_lock;
	struct mutex lock;
	int resources;

	/* video state */
	unsigned int input;
	unsigned int audio_input;
	unsigned int mute;
	unsigned long tv_freq;
	unsigned int tvnorm;
	v4l2_std_id std;
	int hue, contrast, bright, saturation;
	struct v4l2_framebuffer fbuf;
	unsigned int field_count;

	/* various options */
	int opt_combfilter;
	int opt_automute;
	int opt_vcr_hack;
	int opt_uv_ratio;

	/* radio data/state */
	int has_radio;
	int has_radio_tuner;
	int radio_user;
	int radio_uses_msp_demodulator;
	unsigned long radio_freq;

	/* 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;

	/* switch status for multi-controller cards */
	char sw_status[4];

	/* 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_ */
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
1da177e4 LT	28	#include <linux/types.h>
	29	#include <linux/wait.h>
	30	#include <linux/i2c.h>
	31	#include <linux/i2c-algo-bit.h>
1da177e4 LT	32	#include <linux/pci.h>
1da177e4 LT	33	#include <linux/input.h>
bd5f0ac9	34	#include <linux/mutex.h>
87ae9afd	35	#include <linux/scatterlist.h>
01df530c	36	#include <linux/device.h>
1da177e4	37	#include <asm/io.h>
18f3fa1e	38	#include <media/v4l2-common.h>
01df530c	39	#include <media/v4l2-ctrls.h>
ae50f0f8	40	#include <media/v4l2-fh.h>
c1accaa2	41	#include <media/videobuf-dma-sg.h>
1da177e4	42	#include <media/tveeprom.h>
6bda9644	43	#include <media/rc-core.h>
c0c46826	44	#include <media/ir-kbd-i2c.h>
674434c6	45
1da177e4 LT	46	#include "bt848.h"
	47	#include "bttv.h"
	48	#include "btcx-risc.h"
	49
	50	#ifdef __KERNEL__
	51
	52	#define FORMAT_FLAGS_DITHER 0x01
	53	#define FORMAT_FLAGS_PACKED 0x02
	54	#define FORMAT_FLAGS_PLANAR 0x04
	55	#define FORMAT_FLAGS_RAW 0x08
	56	#define FORMAT_FLAGS_CrCb 0x10
	57
	58	#define RISC_SLOT_O_VBI 4
	59	#define RISC_SLOT_O_FIELD 6
	60	#define RISC_SLOT_E_VBI 10
	61	#define RISC_SLOT_E_FIELD 12
	62	#define RISC_SLOT_LOOP 14
	63
	64	#define RESOURCE_OVERLAY 1
e5bd0260	65	#define RESOURCE_VIDEO_STREAM 2
1da177e4	66	#define RESOURCE_VBI 4
e5bd0260	67	#define RESOURCE_VIDEO_READ 8
1da177e4 LT	68
	69	#define RAW_LINES 640
	70	#define RAW_BPL 1024
	71
	72	#define UNSET (-1U)
	73
e5bd0260 MS	74	/* Min. value in VDELAY register. */
	75	#define MIN_VDELAY 2
	76	/* Even to get Cb first, odd for Cr. */
	77	#define MAX_HDELAY (0x3FF & -2)
	78	/* Limits scaled width, which must be a multiple of 4. */
	79	#define MAX_HACTIVE (0x3FF & -4)
	80
402aa76a DSL	81	#define BTTV_NORMS (\
	82	V4L2_STD_PAL \| V4L2_STD_PAL_N \| \
	83	V4L2_STD_PAL_Nc \| V4L2_STD_SECAM \| \
	84	V4L2_STD_NTSC \| V4L2_STD_PAL_M \| \
	85	V4L2_STD_PAL_60)
1da177e4 LT	86	/* ---------------------------------------------------------- */
	87
	88	struct bttv_tvnorm {
	89	int v4l2_id;
	90	char *name;
4ac97914 MCC	91	u32 Fsc;
4ac97914 MCC	92	u16 swidth, sheight; /* scaled standard width, height */
1da177e4 LT	93	u16 totalwidth;
	94	u8 adelay, bdelay, iform;
	95	u32 scaledtwidth;
	96	u16 hdelayx1, hactivex1;
	97	u16 vdelay;
4ac97914	98	u8 vbipack;
1da177e4 LT	99	u16 vtotal;
1da177e4 LT	100	int sram;
67f1570a	101	/* ITU-R frame line number of the first VBI line we can
e5bd0260 MS	102	capture, of the first and second field. The last possible line
e5bd0260 MS	103	is determined by cropcap.bounds. */
67f1570a	104	u16 vbistart[2];
e5bd0260 MS	105	/* Horizontally this counts fCLKx1 samples following the leading
	106	edge of the horizontal sync pulse, vertically ITU-R frame line
	107	numbers of the first field times two (2, 4, 6, ... 524 or 624). */
	108	struct v4l2_cropcap cropcap;
1da177e4 LT	109	};
	110	extern const struct bttv_tvnorm bttv_tvnorms[];
	111
	112	struct bttv_format {
	113	char *name;
1da177e4 LT	114	int fourcc; /* video4linux 2 */
	115	int btformat; /* BT848_COLOR_FMT_* */
	116	int btswap; /* BT848_COLOR_CTL_* */
	117	int depth; /* bit/pixel */
	118	int flags;
	119	int hshift,vshift; /* for planar modes */
	120	};
	121
edb4c25c	122	struct bttv_ir {
a6e3b81f	123	struct rc_dev *dev;
3938e0cf	124	struct timer_list timer;
a6e3b81f MCC	125
	126	char name[32];
	127	char phys[32];
edb4c25c	128
a6e3b81f MCC	129	/* Usual gpio signalling */
	130	u32 mask_keycode;
	131	u32 mask_keydown;
	132	u32 mask_keyup;
	133	u32 polling;
	134	u32 last_gpio;
	135	int shift_by;
a6e3b81f	136	int rc5_remote_gap;
a6e3b81f MCC	137
a6e3b81f MCC	138	/* RC5 gpio */
b7c7a4be	139	bool rc5_gpio; /* Is RC5 legacy GPIO enabled? */
edb4c25c DH	140	u32 last_bit; /* last raw bit seen */
	141	u32 code; /* raw code under construction */
	142	struct timeval base_time; /* time of last seen code */
	143	bool active; /* building raw code */
a6e3b81f MCC	144	};
	145
	146
1da177e4 LT	147	/* ---------------------------------------------------------- */
	148
	149	struct bttv_geometry {
	150	u8 vtc,crop,comb;
	151	u16 width,hscale,hdelay;
	152	u16 sheight,vscale,vdelay,vtotal;
	153	};
	154
	155	struct bttv_buffer {
	156	/* common v4l buffer stuff -- must be first */
	157	struct videobuf_buffer vb;
	158
	159	/* bttv specific */
	160	const struct bttv_format *fmt;
4ef2ccc2	161	unsigned int tvnorm;
1da177e4 LT	162	int btformat;
	163	int btswap;
	164	struct bttv_geometry geo;
	165	struct btcx_riscmem top;
	166	struct btcx_riscmem bottom;
e5bd0260 MS	167	struct v4l2_rect crop;
	168	unsigned int vbi_skip[2];
	169	unsigned int vbi_count[2];
1da177e4 LT	170	};
	171
	172	struct bttv_buffer_set {
	173	struct bttv_buffer top; / top field buffer */
	174	struct bttv_buffer bottom; / bottom field buffer */
	175	unsigned int top_irq;
	176	unsigned int frame_irq;
	177	};
	178
	179	struct bttv_overlay {
4ef2ccc2	180	unsigned int tvnorm;
1da177e4 LT	181	struct v4l2_rect w;
	182	enum v4l2_field field;
	183	struct v4l2_clip *clips;
	184	int nclips;
	185	int setup_ok;
	186	};
	187
e5bd0260 MS	188	struct bttv_vbi_fmt {
	189	struct v4l2_vbi_format fmt;
	190
	191	/* fmt.start[] and count[] refer to this video standard. */
	192	const struct bttv_tvnorm *tvnorm;
	193
	194	/* Earliest possible start of video capturing with this
	195	v4l2_vbi_format, in struct bttv_crop.rect units. */
	196	__s32 end;
	197	};
	198
	199	/* bttv-vbi.c */
4ef2ccc2	200	void bttv_vbi_fmt_reset(struct bttv_vbi_fmt *f, unsigned int norm);
e5bd0260 MS	201
	202	struct bttv_crop {
	203	/* A cropping rectangle in struct bttv_tvnorm.cropcap units. */
	204	struct v4l2_rect rect;
	205
	206	/* Scaled image size limits with this crop rect. Divide
	207	max_height, but not min_height, by two when capturing
	208	single fields. See also bttv_crop_reset() and
	209	bttv_crop_adjust() in bttv-driver.c. */
	210	__s32 min_scaled_width;
	211	__s32 min_scaled_height;
	212	__s32 max_scaled_width;
	213	__s32 max_scaled_height;
	214	};
	215
1da177e4	216	struct bttv_fh {
ae50f0f8 HV	217	/* This must be the first field in this struct */
	218	struct v4l2_fh fh;
	219
1da177e4 LT	220	struct bttv *btv;
1da177e4 LT	221	int resources;
1da177e4 LT	222	enum v4l2_buf_type type;
	223
	224	/* video capture */
	225	struct videobuf_queue cap;
	226	const struct bttv_format *fmt;
	227	int width;
	228	int height;
	229
e5bd0260	230	/* video overlay */
1da177e4 LT	231	const struct bttv_format *ovfmt;
	232	struct bttv_overlay ov;
	233
e5bd0260 MS	234	/* Application called VIDIOC_S_CROP. */
	235	int do_crop;
	236
	237	/* vbi capture */
1da177e4	238	struct videobuf_queue vbi;
e5bd0260 MS	239	/* Current VBI capture window as seen through this fh (cannot
	240	be global for compatibility with earlier drivers). Protected
	241	by struct bttv.lock and struct bttv_fh.vbi.lock. */
	242	struct bttv_vbi_fmt vbi_fmt;
1da177e4 LT	243	};
	244
	245	/* ---------------------------------------------------------- */
	246	/* bttv-risc.c */
	247
	248	/* risc code generators - capture */
	249	int bttv_risc_packed(struct bttv btv, struct btcx_riscmem risc,
	250	struct scatterlist *sglist,
	251	unsigned int offset, unsigned int bpl,
e5bd0260 MS	252	unsigned int pitch, unsigned int skip_lines,
e5bd0260 MS	253	unsigned int store_lines);
1da177e4 LT	254
	255	/* control dma register + risc main loop */
	256	void bttv_set_dma(struct bttv *btv, int override);
	257	int bttv_risc_init_main(struct bttv *btv);
	258	int bttv_risc_hook(struct bttv btv, int slot, struct btcx_riscmem risc,
	259	int irqflags);
	260
	261	/* capture buffer handling */
	262	int bttv_buffer_risc(struct bttv btv, struct bttv_buffer buf);
	263	int bttv_buffer_activate_video(struct bttv *btv,
	264	struct bttv_buffer_set *set);
	265	int bttv_buffer_activate_vbi(struct bttv *btv,
	266	struct bttv_buffer *vbi);
c7b0ac05 MCC	267	void bttv_dma_free(struct videobuf_queue q, struct bttv btv,
c7b0ac05 MCC	268	struct bttv_buffer *buf);
1da177e4 LT	269
	270	/* overlay handling */
	271	int bttv_overlay_risc(struct bttv btv, struct bttv_overlay ov,
	272	const struct bttv_format *fmt,
	273	struct bttv_buffer *buf);
	274
	275
	276	/* ---------------------------------------------------------- */
	277	/* bttv-vbi.c */
	278
78b526a4 HV	279	int bttv_try_fmt_vbi_cap(struct file file, void fh, struct v4l2_format *f);
	280	int bttv_g_fmt_vbi_cap(struct file file, void fh, struct v4l2_format *f);
	281	int bttv_s_fmt_vbi_cap(struct file file, void fh, struct v4l2_format *f);
1da177e4 LT	282
	283	extern struct videobuf_queue_ops bttv_vbi_qops;
	284
	285	/* ---------------------------------------------------------- */
	286	/* bttv-gpio.c */
	287
1da177e4 LT	288	extern struct bus_type bttv_sub_bus_type;
	289	int bttv_sub_add_device(struct bttv_core core, char name);
	290	int bttv_sub_del_devices(struct bttv_core *core);
1da177e4	291
c6eb8eaf HV	292	/* ---------------------------------------------------------- */
	293	/* bttv-cards.c */
	294
	295	extern int no_overlay;
	296
c0c46826 MCC	297	/* ---------------------------------------------------------- */
	298	/* bttv-input.c */
	299
	300	extern void init_bttv_i2c_ir(struct bttv *btv);
457ba4ce FS	301
	302	/* ---------------------------------------------------------- */
	303	/* bttv-i2c.c */
	304	extern int init_bttv_i2c(struct bttv *btv);
c0c46826 MCC	305	extern int fini_bttv_i2c(struct bttv *btv);
c0c46826 MCC	306
1da177e4 LT	307	/* ---------------------------------------------------------- */
	308	/* bttv-driver.c */
	309
	310	/* insmod options */
	311	extern unsigned int bttv_verbose;
	312	extern unsigned int bttv_debug;
	313	extern unsigned int bttv_gpio;
	314	extern void bttv_gpio_tracking(struct bttv btv, char comment);
1da177e4	315
8af443e5 JP	316	#define dprintk(fmt, ...) \
	317	do { \
	318	if (bttv_debug >= 1) \
	319	pr_debug(fmt, ##__VA_ARGS__); \
	320	} while (0)
	321	#define dprintk_cont(fmt, ...) \
	322	do { \
	323	if (bttv_debug >= 1) \
	324	pr_cont(fmt, ##__VA_ARGS__); \
	325	} while (0)
	326	#define d2printk(fmt, ...) \
	327	do { \
	328	if (bttv_debug >= 2) \
	329	printk(fmt, ##__VA_ARGS__); \
	330	} while (0)
1da177e4	331
1da177e4	332	#define BTTV_MAX_FBUF 0x208000
fe06fe0a MCC	333	#define BTTV_TIMEOUT msecs_to_jiffies(500) /* 0.5 seconds */
fe06fe0a MCC	334	#define BTTV_FREE_IDLE msecs_to_jiffies(1000) /* one second */
1da177e4 LT	335
	336
	337	struct bttv_pll_info {
	338	unsigned int pll_ifreq; /* PLL input frequency */
	339	unsigned int pll_ofreq; /* PLL output frequency */
	340	unsigned int pll_crystal; /* Crystal used for input */
	341	unsigned int pll_current; /* Currently programmed ofreq */
	342	};
	343
	344	/* for gpio-connected remote control */
	345	struct bttv_input {
b7df3910	346	struct input_dev *dev;
1da177e4 LT	347	char name[32];
	348	char phys[32];
	349	u32 mask_keycode;
	350	u32 mask_keydown;
	351	};
	352
	353	struct bttv_suspend_state {
	354	u32 gpio_enable;
	355	u32 gpio_data;
	356	int disabled;
	357	int loop_irq;
	358	struct bttv_buffer_set video;
	359	struct bttv_buffer *vbi;
	360	};
	361
	362	struct bttv {
	363	struct bttv_core c;
	364
	365	/* pci device config */
	366	unsigned short id;
	367	unsigned char revision;
	368	unsigned char __iomem bt848_mmio; / pointer to mmio */
	369
	370	/* card configuration info */
	371	unsigned int cardid; /* pci subsystem id (bt878 based ones) */
4ac97914	372	unsigned int tuner_type; /* tuner chip type */
39e8f40d	373	unsigned int tda9887_conf;
5221e21e	374	unsigned int svhs, dig;
859f0277	375	unsigned int has_saa6588:1;
1da177e4 LT	376	struct bttv_pll_info pll;
	377	int triton1;
	378	int gpioirq;
4abdfed5	379
1da177e4 LT	380	int use_i2c_hw;
	381
	382	/* old gpio interface */
1da177e4	383	int shutdown;
4b9b936f NS	384
	385	void (volume_gpio)(struct bttv btv, __u16 volume);
	386	void (audio_mode_gpio)(struct bttv btv, struct v4l2_tuner *tuner, int set);
	387
1da177e4 LT	388	/* new gpio interface */
	389	spinlock_t gpio_lock;
	390
	391	/* i2c layer */
	392	struct i2c_algo_bit_data i2c_algo;
	393	struct i2c_client i2c_client;
	394	int i2c_state, i2c_rc;
	395	int i2c_done;
	396	wait_queue_head_t i2c_queue;
859f0277 HV	397	struct v4l2_subdev *sd_msp34xx;
859f0277 HV	398	struct v4l2_subdev *sd_tvaudio;
01df530c	399	struct v4l2_subdev *sd_tda7432;
1da177e4 LT	400
	401	/* video4linux (1) */
	402	struct video_device *video_dev;
	403	struct video_device *radio_dev;
	404	struct video_device *vbi_dev;
	405
01df530c HV	406	/* controls */
	407	struct v4l2_ctrl_handler ctrl_handler;
	408	struct v4l2_ctrl_handler radio_ctrl_handler;
	409
1da177e4 LT	410	/* infrared remote */
1da177e4 LT	411	int has_remote;
edb4c25c	412	struct bttv_ir *remote;
1da177e4	413
c0c46826 MCC	414	/* I2C remote data */
	415	struct IR_i2c_init_data init_data;
	416
1da177e4 LT	417	/* locking */
1da177e4 LT	418	spinlock_t s_lock;
bd5f0ac9	419	struct mutex lock;
1da177e4	420	int resources;
1da177e4 LT	421
	422	/* video state */
	423	unsigned int input;
2166f0a9	424	unsigned int audio_input;
8bf2f8e7	425	unsigned int mute;
76ea992a	426	unsigned long tv_freq;
4ef2ccc2	427	unsigned int tvnorm;
6795cc55	428	v4l2_std_id std;
4ef2ccc2	429	int hue, contrast, bright, saturation;
1da177e4 LT	430	struct v4l2_framebuffer fbuf;
	431	unsigned int field_count;
	432
	433	/* various options */
	434	int opt_combfilter;
1da177e4	435	int opt_automute;
1da177e4	436	int opt_vcr_hack;
060d3027	437	int opt_uv_ratio;
1da177e4 LT	438
	439	/* radio data/state */
	440	int has_radio;
b8e2a361	441	int has_radio_tuner;
1da177e4	442	int radio_user;
7025e521	443	int radio_uses_msp_demodulator;
76ea992a	444	unsigned long radio_freq;
1da177e4 LT	445
	446	/* miro/pinnacle + Aimslab VHX
	447	philips matchbox (tea5757 radio tuner) support */
	448	int has_matchbox;
	449	int mbox_we;
	450	int mbox_data;
	451	int mbox_clk;
	452	int mbox_most;
	453	int mbox_mask;
	454
	455	/* ISA stuff (Terratec Active Radio Upgrade) */
	456	int mbox_ior;
	457	int mbox_iow;
	458	int mbox_csel;
	459
cd2e34ea OZ	460	/* switch status for multi-controller cards */
	461	char sw_status[4];
	462
1da177e4	463	/* risc memory management data
0418726b	464	- must acquire s_lock before changing these
1da177e4 LT	465	- only the irq handler is supported to touch top + bottom + vcurr */
	466	struct btcx_riscmem main;
	467	struct bttv_buffer screen; / overlay */
	468	struct list_head capture; /* video capture queue */
	469	struct list_head vcapture; /* vbi capture queue */
	470	struct bttv_buffer_set curr; /* active buffers */
	471	struct bttv_buffer cvbi; / active vbi buffer */
	472	int loop_irq;
	473	int new_input;
	474
	475	unsigned long cap_ctl;
	476	unsigned long dma_on;
	477	struct timer_list timeout;
	478	struct bttv_suspend_state state;
	479
	480	/* stats */
	481	unsigned int errors;
	482	unsigned int framedrop;
	483	unsigned int irq_total;
	484	unsigned int irq_me;
	485
	486	unsigned int users;
	487	struct bttv_fh init;
e5bd0260	488
f992a497 JW	489	/* used to make dvb-bt8xx autoloadable */
	490	struct work_struct request_module_wk;
	491
e5bd0260 MS	492	/* Default (0) and current (1) video capturing and overlay
	493	cropping parameters in bttv_tvnorm.cropcap units. Protected
	494	by bttv.lock. */
	495	struct bttv_crop crop[2];
	496
	497	/* Earliest possible start of video capturing in
	498	bttv_tvnorm.cropcap line units. Set by check_alloc_btres()
	499	and free_btres(). Protected by bttv.lock. */
	500	__s32 vbi_end;
	501
	502	/* Latest possible end of VBI capturing (= crop[x].rect.top when
	503	VIDEO_RESOURCES are locked). Set by check_alloc_btres()
	504	and free_btres(). Protected by bttv.lock. */
	505	__s32 crop_start;
1da177e4	506	};
2d03e289	507
74fc7bd9 HV	508	static inline struct bttv to_bttv(struct v4l2_device v4l2_dev)
	509	{
	510	return container_of(v4l2_dev, struct bttv, c.v4l2_dev);
	511	}
	512
2d03e289	513	/* our devices */
2499abe7	514	#define BTTV_MAX 32
2d03e289	515	extern unsigned int bttv_num;
4b10d3b6	516	extern struct bttv *bttvs[BTTV_MAX];
1da177e4	517
6f98700a TP	518	static inline unsigned int bttv_muxsel(const struct bttv *btv,
	519	unsigned int input)
	520	{
	521	return (bttv_tvcards[btv->c.type].muxsel >> (input * 2)) & 3;
	522	}
	523
1da177e4 LT	524	#endif
	525
	526	#define btwrite(dat,adr) writel((dat), btv->bt848_mmio+(adr))
	527	#define btread(adr) readl(btv->bt848_mmio+(adr))
	528
	529	#define btand(dat,adr) btwrite((dat) & btread(adr), adr)
	530	#define btor(dat,adr) btwrite((dat) \| btread(adr), adr)
	531	#define btaor(dat,mask,adr) btwrite((dat) \| ((mask) & btread(adr)), adr)
	532
	533	#endif /* _BTTVP_H_ */