[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(0,9,17)

#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/ir-common.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_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-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);
extern int fini_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;
	struct ir_input_state ir;
	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;
	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 i2c_client 	  *i2c_msp34xx_client;
	struct i2c_client 	  *i2c_tvaudio_client;

	/* 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;

	/* 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;
};

/* 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>
e5bd0260	29	#define BTTV_VERSION_CODE KERNEL_VERSION(0,9,17)
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 LT	43	#include <media/tveeprom.h>
	44	#include <media/ir-common.h>
	45
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
	123	/* ---------------------------------------------------------- */
	124
	125	struct bttv_geometry {
	126	u8 vtc,crop,comb;
	127	u16 width,hscale,hdelay;
	128	u16 sheight,vscale,vdelay,vtotal;
	129	};
	130
	131	struct bttv_buffer {
	132	/* common v4l buffer stuff -- must be first */
	133	struct videobuf_buffer vb;
	134
	135	/* bttv specific */
	136	const struct bttv_format *fmt;
4ef2ccc2	137	unsigned int tvnorm;
1da177e4 LT	138	int btformat;
	139	int btswap;
	140	struct bttv_geometry geo;
	141	struct btcx_riscmem top;
	142	struct btcx_riscmem bottom;
e5bd0260 MS	143	struct v4l2_rect crop;
	144	unsigned int vbi_skip[2];
	145	unsigned int vbi_count[2];
1da177e4 LT	146	};
	147
	148	struct bttv_buffer_set {
	149	struct bttv_buffer top; / top field buffer */
	150	struct bttv_buffer bottom; / bottom field buffer */
	151	unsigned int top_irq;
	152	unsigned int frame_irq;
	153	};
	154
	155	struct bttv_overlay {
4ef2ccc2	156	unsigned int tvnorm;
1da177e4 LT	157	struct v4l2_rect w;
	158	enum v4l2_field field;
	159	struct v4l2_clip *clips;
	160	int nclips;
	161	int setup_ok;
	162	};
	163
e5bd0260 MS	164	struct bttv_vbi_fmt {
	165	struct v4l2_vbi_format fmt;
	166
	167	/* fmt.start[] and count[] refer to this video standard. */
	168	const struct bttv_tvnorm *tvnorm;
	169
	170	/* Earliest possible start of video capturing with this
	171	v4l2_vbi_format, in struct bttv_crop.rect units. */
	172	__s32 end;
	173	};
	174
	175	/* bttv-vbi.c */
4ef2ccc2	176	void bttv_vbi_fmt_reset(struct bttv_vbi_fmt *f, unsigned int norm);
e5bd0260 MS	177
	178	struct bttv_crop {
	179	/* A cropping rectangle in struct bttv_tvnorm.cropcap units. */
	180	struct v4l2_rect rect;
	181
	182	/* Scaled image size limits with this crop rect. Divide
	183	max_height, but not min_height, by two when capturing
	184	single fields. See also bttv_crop_reset() and
	185	bttv_crop_adjust() in bttv-driver.c. */
	186	__s32 min_scaled_width;
	187	__s32 min_scaled_height;
	188	__s32 max_scaled_width;
	189	__s32 max_scaled_height;
	190	};
	191
1da177e4 LT	192	struct bttv_fh {
	193	struct bttv *btv;
	194	int resources;
	195	#ifdef VIDIOC_G_PRIORITY
	196	enum v4l2_priority prio;
	197	#endif
	198	enum v4l2_buf_type type;
	199
	200	/* video capture */
	201	struct videobuf_queue cap;
	202	const struct bttv_format *fmt;
	203	int width;
	204	int height;
	205
e5bd0260	206	/* video overlay */
1da177e4 LT	207	const struct bttv_format *ovfmt;
	208	struct bttv_overlay ov;
	209
e5bd0260 MS	210	/* Application called VIDIOC_S_CROP. */
	211	int do_crop;
	212
	213	/* vbi capture */
1da177e4	214	struct videobuf_queue vbi;
e5bd0260 MS	215	/* Current VBI capture window as seen through this fh (cannot
	216	be global for compatibility with earlier drivers). Protected
	217	by struct bttv.lock and struct bttv_fh.vbi.lock. */
	218	struct bttv_vbi_fmt vbi_fmt;
1da177e4 LT	219	};
	220
	221	/* ---------------------------------------------------------- */
	222	/* bttv-risc.c */
	223
	224	/* risc code generators - capture */
	225	int bttv_risc_packed(struct bttv btv, struct btcx_riscmem risc,
	226	struct scatterlist *sglist,
	227	unsigned int offset, unsigned int bpl,
e5bd0260 MS	228	unsigned int pitch, unsigned int skip_lines,
e5bd0260 MS	229	unsigned int store_lines);
1da177e4 LT	230
	231	/* control dma register + risc main loop */
	232	void bttv_set_dma(struct bttv *btv, int override);
	233	int bttv_risc_init_main(struct bttv *btv);
	234	int bttv_risc_hook(struct bttv btv, int slot, struct btcx_riscmem risc,
	235	int irqflags);
	236
	237	/* capture buffer handling */
	238	int bttv_buffer_risc(struct bttv btv, struct bttv_buffer buf);
	239	int bttv_buffer_activate_video(struct bttv *btv,
	240	struct bttv_buffer_set *set);
	241	int bttv_buffer_activate_vbi(struct bttv *btv,
	242	struct bttv_buffer *vbi);
c7b0ac05 MCC	243	void bttv_dma_free(struct videobuf_queue q, struct bttv btv,
c7b0ac05 MCC	244	struct bttv_buffer *buf);
1da177e4 LT	245
	246	/* overlay handling */
	247	int bttv_overlay_risc(struct bttv btv, struct bttv_overlay ov,
	248	const struct bttv_format *fmt,
	249	struct bttv_buffer *buf);
	250
	251
	252	/* ---------------------------------------------------------- */
	253	/* bttv-vbi.c */
	254
78b526a4 HV	255	int bttv_try_fmt_vbi_cap(struct file file, void fh, struct v4l2_format *f);
	256	int bttv_g_fmt_vbi_cap(struct file file, void fh, struct v4l2_format *f);
	257	int bttv_s_fmt_vbi_cap(struct file file, void fh, struct v4l2_format *f);
1da177e4 LT	258
	259	extern struct videobuf_queue_ops bttv_vbi_qops;
	260
	261	/* ---------------------------------------------------------- */
	262	/* bttv-gpio.c */
	263
1da177e4 LT	264	extern struct bus_type bttv_sub_bus_type;
	265	int bttv_sub_add_device(struct bttv_core core, char name);
	266	int bttv_sub_del_devices(struct bttv_core *core);
1da177e4	267
c6eb8eaf HV	268	/* ---------------------------------------------------------- */
	269	/* bttv-cards.c */
	270
	271	extern int no_overlay;
	272
1da177e4 LT	273	/* ---------------------------------------------------------- */
	274	/* bttv-driver.c */
	275
	276	/* insmod options */
	277	extern unsigned int bttv_verbose;
	278	extern unsigned int bttv_debug;
	279	extern unsigned int bttv_gpio;
	280	extern void bttv_gpio_tracking(struct bttv btv, char comment);
	281	extern int init_bttv_i2c(struct bttv *btv);
	282	extern int fini_bttv_i2c(struct bttv *btv);
	283
e1e70a26	284	#define bttv_printk if (bttv_verbose) printk
1da177e4 LT	285	#define dprintk if (bttv_debug >= 1) printk
	286	#define d2printk if (bttv_debug >= 2) printk
	287
1da177e4	288	#define BTTV_MAX_FBUF 0x208000
fe06fe0a MCC	289	#define BTTV_TIMEOUT msecs_to_jiffies(500) /* 0.5 seconds */
fe06fe0a MCC	290	#define BTTV_FREE_IDLE msecs_to_jiffies(1000) /* one second */
1da177e4 LT	291
	292
	293	struct bttv_pll_info {
	294	unsigned int pll_ifreq; /* PLL input frequency */
	295	unsigned int pll_ofreq; /* PLL output frequency */
	296	unsigned int pll_crystal; /* Crystal used for input */
	297	unsigned int pll_current; /* Currently programmed ofreq */
	298	};
	299
	300	/* for gpio-connected remote control */
	301	struct bttv_input {
b7df3910	302	struct input_dev *dev;
1da177e4 LT	303	struct ir_input_state ir;
	304	char name[32];
	305	char phys[32];
	306	u32 mask_keycode;
	307	u32 mask_keydown;
	308	};
	309
	310	struct bttv_suspend_state {
	311	u32 gpio_enable;
	312	u32 gpio_data;
	313	int disabled;
	314	int loop_irq;
	315	struct bttv_buffer_set video;
	316	struct bttv_buffer *vbi;
	317	};
	318
	319	struct bttv {
	320	struct bttv_core c;
	321
	322	/* pci device config */
	323	unsigned short id;
	324	unsigned char revision;
	325	unsigned char __iomem bt848_mmio; / pointer to mmio */
	326
	327	/* card configuration info */
	328	unsigned int cardid; /* pci subsystem id (bt878 based ones) */
4ac97914	329	unsigned int tuner_type; /* tuner chip type */
39e8f40d	330	unsigned int tda9887_conf;
5221e21e	331	unsigned int svhs, dig;
1da177e4 LT	332	struct bttv_pll_info pll;
	333	int triton1;
	334	int gpioirq;
4abdfed5 RC	335	int (custom_irq)(struct bttv btv);
4abdfed5 RC	336
1da177e4 LT	337	int use_i2c_hw;
	338
	339	/* old gpio interface */
	340	wait_queue_head_t gpioq;
	341	int shutdown;
4b9b936f NS	342
	343	void (volume_gpio)(struct bttv btv, __u16 volume);
	344	void (audio_mode_gpio)(struct bttv btv, struct v4l2_tuner *tuner, int set);
	345
1da177e4 LT	346	/* new gpio interface */
	347	spinlock_t gpio_lock;
	348
	349	/* i2c layer */
	350	struct i2c_algo_bit_data i2c_algo;
	351	struct i2c_client i2c_client;
	352	int i2c_state, i2c_rc;
	353	int i2c_done;
	354	wait_queue_head_t i2c_queue;
8bf2f8e7 HV	355	struct i2c_client *i2c_msp34xx_client;
8bf2f8e7 HV	356	struct i2c_client *i2c_tvaudio_client;
1da177e4 LT	357
	358	/* video4linux (1) */
	359	struct video_device *video_dev;
	360	struct video_device *radio_dev;
	361	struct video_device *vbi_dev;
	362
	363	/* infrared remote */
	364	int has_remote;
9160723e	365	struct card_ir *remote;
1da177e4 LT	366
	367	/* locking */
	368	spinlock_t s_lock;
bd5f0ac9	369	struct mutex lock;
1da177e4	370	int resources;
1da177e4 LT	371	#ifdef VIDIOC_G_PRIORITY
	372	struct v4l2_prio_state prio;
	373	#endif
	374
	375	/* video state */
	376	unsigned int input;
	377	unsigned int audio;
8bf2f8e7	378	unsigned int mute;
1da177e4	379	unsigned long freq;
4ef2ccc2 TP	380	unsigned int tvnorm;
4ef2ccc2 TP	381	int hue, contrast, bright, saturation;
1da177e4 LT	382	struct v4l2_framebuffer fbuf;
	383	unsigned int field_count;
	384
	385	/* various options */
	386	int opt_combfilter;
	387	int opt_lumafilter;
	388	int opt_automute;
	389	int opt_chroma_agc;
	390	int opt_adc_crush;
	391	int opt_vcr_hack;
	392	int opt_whitecrush_upper;
	393	int opt_whitecrush_lower;
060d3027 MCC	394	int opt_uv_ratio;
	395	int opt_full_luma_range;
	396	int opt_coring;
1da177e4 LT	397
	398	/* radio data/state */
	399	int has_radio;
	400	int radio_user;
	401
	402	/* miro/pinnacle + Aimslab VHX
	403	philips matchbox (tea5757 radio tuner) support */
	404	int has_matchbox;
	405	int mbox_we;
	406	int mbox_data;
	407	int mbox_clk;
	408	int mbox_most;
	409	int mbox_mask;
	410
	411	/* ISA stuff (Terratec Active Radio Upgrade) */
	412	int mbox_ior;
	413	int mbox_iow;
	414	int mbox_csel;
	415
	416	/* risc memory management data
0418726b	417	- must acquire s_lock before changing these
1da177e4 LT	418	- only the irq handler is supported to touch top + bottom + vcurr */
	419	struct btcx_riscmem main;
	420	struct bttv_buffer screen; / overlay */
	421	struct list_head capture; /* video capture queue */
	422	struct list_head vcapture; /* vbi capture queue */
	423	struct bttv_buffer_set curr; /* active buffers */
	424	struct bttv_buffer cvbi; / active vbi buffer */
	425	int loop_irq;
	426	int new_input;
	427
	428	unsigned long cap_ctl;
	429	unsigned long dma_on;
	430	struct timer_list timeout;
	431	struct bttv_suspend_state state;
	432
	433	/* stats */
	434	unsigned int errors;
	435	unsigned int framedrop;
	436	unsigned int irq_total;
	437	unsigned int irq_me;
	438
	439	unsigned int users;
	440	struct bttv_fh init;
e5bd0260	441
f992a497 JW	442	/* used to make dvb-bt8xx autoloadable */
	443	struct work_struct request_module_wk;
	444
e5bd0260 MS	445	/* Default (0) and current (1) video capturing and overlay
	446	cropping parameters in bttv_tvnorm.cropcap units. Protected
	447	by bttv.lock. */
	448	struct bttv_crop crop[2];
	449
	450	/* Earliest possible start of video capturing in
	451	bttv_tvnorm.cropcap line units. Set by check_alloc_btres()
	452	and free_btres(). Protected by bttv.lock. */
	453	__s32 vbi_end;
	454
	455	/* Latest possible end of VBI capturing (= crop[x].rect.top when
	456	VIDEO_RESOURCES are locked). Set by check_alloc_btres()
	457	and free_btres(). Protected by bttv.lock. */
	458	__s32 crop_start;
1da177e4	459	};
2d03e289 MCC	460
2d03e289 MCC	461	/* our devices */
2499abe7	462	#define BTTV_MAX 32
2d03e289	463	extern unsigned int bttv_num;
4b10d3b6	464	extern struct bttv *bttvs[BTTV_MAX];
1da177e4	465
6f98700a TP	466	static inline unsigned int bttv_muxsel(const struct bttv *btv,
	467	unsigned int input)
	468	{
	469	return (bttv_tvcards[btv->c.type].muxsel >> (input * 2)) & 3;
	470	}
	471
1da177e4 LT	472	#endif
	473
	474	#define btwrite(dat,adr) writel((dat), btv->bt848_mmio+(adr))
	475	#define btread(adr) readl(btv->bt848_mmio+(adr))
	476
	477	#define btand(dat,adr) btwrite((dat) & btread(adr), adr)
	478	#define btor(dat,adr) btwrite((dat) \| btread(adr), adr)
	479	#define btaor(dat,mask,adr) btwrite((dat) \| ((mask) & btread(adr)), adr)
	480
	481	#endif /* _BTTVP_H_ */
	482
	483	/*
	484	* Local variables:
	485	* c-basic-offset: 8
	486	* End:
	487	*/