[mirror_ubuntu-artful-kernel.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/i2c/ir-kbd-i2c.h>
#include <media/tea575x.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 */
	ktime_t          				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_tea575x_gpio {
	u8 data, clk, wren, most;
};

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_tea575x;
	struct bttv_tea575x_gpio tea_gpio;
	struct snd_tea575x tea;

	/* 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>
b5dcee22	44	#include <media/i2c/ir-kbd-i2c.h>
1b500373	45	#include <media/tea575x.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
edb4c25c	123	struct bttv_ir {
a6e3b81f	124	struct rc_dev *dev;
3938e0cf	125	struct timer_list timer;
a6e3b81f MCC	126
	127	char name[32];
	128	char phys[32];
edb4c25c	129
a6e3b81f MCC	130	/* Usual gpio signalling */
	131	u32 mask_keycode;
	132	u32 mask_keydown;
	133	u32 mask_keyup;
	134	u32 polling;
	135	u32 last_gpio;
	136	int shift_by;
a6e3b81f	137	int rc5_remote_gap;
a6e3b81f MCC	138
a6e3b81f MCC	139	/* RC5 gpio */
b7c7a4be	140	bool rc5_gpio; /* Is RC5 legacy GPIO enabled? */
edb4c25c DH	141	u32 last_bit; /* last raw bit seen */
edb4c25c DH	142	u32 code; /* raw code under construction */
82fde1a9	143	ktime_t base_time; /* time of last seen code */
edb4c25c	144	bool active; /* building raw code */
a6e3b81f MCC	145	};
	146
	147
1da177e4 LT	148	/* ---------------------------------------------------------- */
	149
	150	struct bttv_geometry {
	151	u8 vtc,crop,comb;
	152	u16 width,hscale,hdelay;
	153	u16 sheight,vscale,vdelay,vtotal;
	154	};
	155
	156	struct bttv_buffer {
	157	/* common v4l buffer stuff -- must be first */
	158	struct videobuf_buffer vb;
	159
	160	/* bttv specific */
	161	const struct bttv_format *fmt;
4ef2ccc2	162	unsigned int tvnorm;
1da177e4 LT	163	int btformat;
	164	int btswap;
	165	struct bttv_geometry geo;
	166	struct btcx_riscmem top;
	167	struct btcx_riscmem bottom;
e5bd0260 MS	168	struct v4l2_rect crop;
	169	unsigned int vbi_skip[2];
	170	unsigned int vbi_count[2];
1da177e4 LT	171	};
	172
	173	struct bttv_buffer_set {
	174	struct bttv_buffer top; / top field buffer */
	175	struct bttv_buffer bottom; / bottom field buffer */
	176	unsigned int top_irq;
	177	unsigned int frame_irq;
	178	};
	179
	180	struct bttv_overlay {
4ef2ccc2	181	unsigned int tvnorm;
1da177e4 LT	182	struct v4l2_rect w;
	183	enum v4l2_field field;
	184	struct v4l2_clip *clips;
	185	int nclips;
	186	int setup_ok;
	187	};
	188
e5bd0260 MS	189	struct bttv_vbi_fmt {
	190	struct v4l2_vbi_format fmt;
	191
	192	/* fmt.start[] and count[] refer to this video standard. */
	193	const struct bttv_tvnorm *tvnorm;
	194
	195	/* Earliest possible start of video capturing with this
	196	v4l2_vbi_format, in struct bttv_crop.rect units. */
	197	__s32 end;
	198	};
	199
	200	/* bttv-vbi.c */
4ef2ccc2	201	void bttv_vbi_fmt_reset(struct bttv_vbi_fmt *f, unsigned int norm);
e5bd0260 MS	202
	203	struct bttv_crop {
	204	/* A cropping rectangle in struct bttv_tvnorm.cropcap units. */
	205	struct v4l2_rect rect;
	206
	207	/* Scaled image size limits with this crop rect. Divide
	208	max_height, but not min_height, by two when capturing
	209	single fields. See also bttv_crop_reset() and
	210	bttv_crop_adjust() in bttv-driver.c. */
	211	__s32 min_scaled_width;
	212	__s32 min_scaled_height;
	213	__s32 max_scaled_width;
	214	__s32 max_scaled_height;
	215	};
	216
1da177e4	217	struct bttv_fh {
ae50f0f8 HV	218	/* This must be the first field in this struct */
	219	struct v4l2_fh fh;
	220
1da177e4 LT	221	struct bttv *btv;
1da177e4 LT	222	int resources;
1da177e4 LT	223	enum v4l2_buf_type type;
	224
	225	/* video capture */
	226	struct videobuf_queue cap;
	227	const struct bttv_format *fmt;
	228	int width;
	229	int height;
	230
e5bd0260	231	/* video overlay */
1da177e4 LT	232	const struct bttv_format *ovfmt;
	233	struct bttv_overlay ov;
	234
e5bd0260 MS	235	/* Application called VIDIOC_S_CROP. */
	236	int do_crop;
	237
	238	/* vbi capture */
1da177e4	239	struct videobuf_queue vbi;
e5bd0260 MS	240	/* Current VBI capture window as seen through this fh (cannot
	241	be global for compatibility with earlier drivers). Protected
	242	by struct bttv.lock and struct bttv_fh.vbi.lock. */
	243	struct bttv_vbi_fmt vbi_fmt;
1da177e4 LT	244	};
	245
	246	/* ---------------------------------------------------------- */
	247	/* bttv-risc.c */
	248
	249	/* risc code generators - capture */
	250	int bttv_risc_packed(struct bttv btv, struct btcx_riscmem risc,
	251	struct scatterlist *sglist,
	252	unsigned int offset, unsigned int bpl,
e5bd0260 MS	253	unsigned int pitch, unsigned int skip_lines,
e5bd0260 MS	254	unsigned int store_lines);
1da177e4 LT	255
	256	/* control dma register + risc main loop */
	257	void bttv_set_dma(struct bttv *btv, int override);
	258	int bttv_risc_init_main(struct bttv *btv);
	259	int bttv_risc_hook(struct bttv btv, int slot, struct btcx_riscmem risc,
	260	int irqflags);
	261
	262	/* capture buffer handling */
	263	int bttv_buffer_risc(struct bttv btv, struct bttv_buffer buf);
	264	int bttv_buffer_activate_video(struct bttv *btv,
	265	struct bttv_buffer_set *set);
	266	int bttv_buffer_activate_vbi(struct bttv *btv,
	267	struct bttv_buffer *vbi);
c7b0ac05 MCC	268	void bttv_dma_free(struct videobuf_queue q, struct bttv btv,
c7b0ac05 MCC	269	struct bttv_buffer *buf);
1da177e4 LT	270
	271	/* overlay handling */
	272	int bttv_overlay_risc(struct bttv btv, struct bttv_overlay ov,
	273	const struct bttv_format *fmt,
	274	struct bttv_buffer *buf);
	275
	276
	277	/* ---------------------------------------------------------- */
	278	/* bttv-vbi.c */
	279
78b526a4 HV	280	int bttv_try_fmt_vbi_cap(struct file file, void fh, struct v4l2_format *f);
	281	int bttv_g_fmt_vbi_cap(struct file file, void fh, struct v4l2_format *f);
	282	int bttv_s_fmt_vbi_cap(struct file file, void fh, struct v4l2_format *f);
1da177e4 LT	283
	284	extern struct videobuf_queue_ops bttv_vbi_qops;
	285
	286	/* ---------------------------------------------------------- */
	287	/* bttv-gpio.c */
	288
1da177e4 LT	289	extern struct bus_type bttv_sub_bus_type;
	290	int bttv_sub_add_device(struct bttv_core core, char name);
	291	int bttv_sub_del_devices(struct bttv_core *core);
1da177e4	292
c6eb8eaf HV	293	/* ---------------------------------------------------------- */
	294	/* bttv-cards.c */
	295
	296	extern int no_overlay;
	297
c0c46826 MCC	298	/* ---------------------------------------------------------- */
	299	/* bttv-input.c */
	300
	301	extern void init_bttv_i2c_ir(struct bttv *btv);
457ba4ce FS	302
	303	/* ---------------------------------------------------------- */
	304	/* bttv-i2c.c */
	305	extern int init_bttv_i2c(struct bttv *btv);
c0c46826 MCC	306	extern int fini_bttv_i2c(struct bttv *btv);
c0c46826 MCC	307
1da177e4 LT	308	/* ---------------------------------------------------------- */
	309	/* bttv-driver.c */
	310
	311	/* insmod options */
	312	extern unsigned int bttv_verbose;
	313	extern unsigned int bttv_debug;
	314	extern unsigned int bttv_gpio;
	315	extern void bttv_gpio_tracking(struct bttv btv, char comment);
1da177e4	316
8af443e5 JP	317	#define dprintk(fmt, ...) \
	318	do { \
	319	if (bttv_debug >= 1) \
	320	pr_debug(fmt, ##__VA_ARGS__); \
	321	} while (0)
	322	#define dprintk_cont(fmt, ...) \
	323	do { \
	324	if (bttv_debug >= 1) \
	325	pr_cont(fmt, ##__VA_ARGS__); \
	326	} while (0)
	327	#define d2printk(fmt, ...) \
	328	do { \
	329	if (bttv_debug >= 2) \
	330	printk(fmt, ##__VA_ARGS__); \
	331	} while (0)
1da177e4	332
1da177e4	333	#define BTTV_MAX_FBUF 0x208000
fe06fe0a MCC	334	#define BTTV_TIMEOUT msecs_to_jiffies(500) /* 0.5 seconds */
fe06fe0a MCC	335	#define BTTV_FREE_IDLE msecs_to_jiffies(1000) /* one second */
1da177e4 LT	336
	337
	338	struct bttv_pll_info {
	339	unsigned int pll_ifreq; /* PLL input frequency */
	340	unsigned int pll_ofreq; /* PLL output frequency */
	341	unsigned int pll_crystal; /* Crystal used for input */
	342	unsigned int pll_current; /* Currently programmed ofreq */
	343	};
	344
	345	/* for gpio-connected remote control */
	346	struct bttv_input {
b7df3910	347	struct input_dev *dev;
1da177e4 LT	348	char name[32];
	349	char phys[32];
	350	u32 mask_keycode;
	351	u32 mask_keydown;
	352	};
	353
	354	struct bttv_suspend_state {
	355	u32 gpio_enable;
	356	u32 gpio_data;
	357	int disabled;
	358	int loop_irq;
	359	struct bttv_buffer_set video;
	360	struct bttv_buffer *vbi;
	361	};
	362
1b500373 OZ	363	struct bttv_tea575x_gpio {
	364	u8 data, clk, wren, most;
	365	};
	366
1da177e4 LT	367	struct bttv {
	368	struct bttv_core c;
	369
	370	/* pci device config */
	371	unsigned short id;
	372	unsigned char revision;
	373	unsigned char __iomem bt848_mmio; / pointer to mmio */
	374
	375	/* card configuration info */
	376	unsigned int cardid; /* pci subsystem id (bt878 based ones) */
4ac97914	377	unsigned int tuner_type; /* tuner chip type */
39e8f40d	378	unsigned int tda9887_conf;
5221e21e	379	unsigned int svhs, dig;
859f0277	380	unsigned int has_saa6588:1;
1da177e4 LT	381	struct bttv_pll_info pll;
	382	int triton1;
	383	int gpioirq;
4abdfed5	384
1da177e4 LT	385	int use_i2c_hw;
	386
	387	/* old gpio interface */
1da177e4	388	int shutdown;
4b9b936f NS	389
	390	void (volume_gpio)(struct bttv btv, __u16 volume);
	391	void (audio_mode_gpio)(struct bttv btv, struct v4l2_tuner *tuner, int set);
	392
1da177e4 LT	393	/* new gpio interface */
	394	spinlock_t gpio_lock;
	395
	396	/* i2c layer */
	397	struct i2c_algo_bit_data i2c_algo;
	398	struct i2c_client i2c_client;
	399	int i2c_state, i2c_rc;
	400	int i2c_done;
	401	wait_queue_head_t i2c_queue;
859f0277 HV	402	struct v4l2_subdev *sd_msp34xx;
859f0277 HV	403	struct v4l2_subdev *sd_tvaudio;
01df530c	404	struct v4l2_subdev *sd_tda7432;
1da177e4 LT	405
1da177e4 LT	406	/* video4linux (1) */
23fb4c5e HV	407	struct video_device video_dev;
	408	struct video_device radio_dev;
	409	struct video_device vbi_dev;
1da177e4	410
01df530c HV	411	/* controls */
	412	struct v4l2_ctrl_handler ctrl_handler;
	413	struct v4l2_ctrl_handler radio_ctrl_handler;
	414
1da177e4 LT	415	/* infrared remote */
1da177e4 LT	416	int has_remote;
edb4c25c	417	struct bttv_ir *remote;
1da177e4	418
c0c46826 MCC	419	/* I2C remote data */
	420	struct IR_i2c_init_data init_data;
	421
1da177e4 LT	422	/* locking */
1da177e4 LT	423	spinlock_t s_lock;
bd5f0ac9	424	struct mutex lock;
1da177e4	425	int resources;
1da177e4 LT	426
	427	/* video state */
	428	unsigned int input;
2166f0a9	429	unsigned int audio_input;
8bf2f8e7	430	unsigned int mute;
76ea992a	431	unsigned long tv_freq;
4ef2ccc2	432	unsigned int tvnorm;
6795cc55	433	v4l2_std_id std;
4ef2ccc2	434	int hue, contrast, bright, saturation;
1da177e4 LT	435	struct v4l2_framebuffer fbuf;
	436	unsigned int field_count;
	437
	438	/* various options */
	439	int opt_combfilter;
1da177e4	440	int opt_automute;
1da177e4	441	int opt_vcr_hack;
060d3027	442	int opt_uv_ratio;
1da177e4 LT	443
	444	/* radio data/state */
	445	int has_radio;
b8e2a361	446	int has_radio_tuner;
1da177e4	447	int radio_user;
7025e521	448	int radio_uses_msp_demodulator;
76ea992a	449	unsigned long radio_freq;
1da177e4 LT	450
	451	/* miro/pinnacle + Aimslab VHX
	452	philips matchbox (tea5757 radio tuner) support */
1b500373 OZ	453	int has_tea575x;
	454	struct bttv_tea575x_gpio tea_gpio;
	455	struct snd_tea575x tea;
1da177e4 LT	456
	457	/* ISA stuff (Terratec Active Radio Upgrade) */
	458	int mbox_ior;
	459	int mbox_iow;
	460	int mbox_csel;
	461
cd2e34ea OZ	462	/* switch status for multi-controller cards */
	463	char sw_status[4];
	464
1da177e4	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_ */