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/*

    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(0,9,12)

#include <linux/types.h>

#include <linux/wait.h>

#include <linux/i2c.h>

#include <linux/i2c-algo-bit.h>

#include <linux/videodev.h>

#include <linux/pci.h>

#include <linux/input.h>

#include <asm/scatterlist.h>

#include <asm/io.h>

#include <linux/device.h>

#include <drivers/video-buf.h>

#include <drivers/audiochip.h>

#include <drivers/tuner.h>

#include "drivers/bt848.h"

#include "drivers/bttv.h"

#include "drivers/btcx-risc.h"

#ifdef CONFIG_VIDEO_IR

#include "ir-common.h"

#endif

#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         2

#define RESOURCE_VBI           4

#define RAW_LINES            640

#define RAW_BPL             1024

#define UNSET (-1U)

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

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;

};

extern const struct bttv_tvnorm bttv_tvnorms[];

extern const unsigned int BTTV_TVNORMS;

struct bttv_format {

        char *name;

        int  palette;         /* video4linux 1      */

        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   */

};

extern const struct bttv_format bttv_formats[];

extern const unsigned int BTTV_FORMATS;

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

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;

        int                        tvnorm;

        int                        btformat;

        int                        btswap;

        struct bttv_geometry       geo;

        struct btcx_riscmem        top;

        struct btcx_riscmem        bottom;

};

struct bttv_buffer_set {

        struct bttv_buffer     *top;       /* top field buffer    */

        struct bttv_buffer     *bottom;    /* bottom field buffer */

        struct bttv_buffer     *vbi;       /* vbi buffer */

        unsigned int           irqflags;

        unsigned int           topirq;

};

struct bttv_overlay {

        int                    tvnorm;

        struct v4l2_rect       w;

        enum v4l2_field        field;

        struct v4l2_clip       *clips;

        int                    nclips;

        int                    setup_ok;

};

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;

        /* current settings */

        const struct bttv_format *ovfmt;

        struct bttv_overlay      ov;

        /* video overlay */

        struct videobuf_queue    vbi;

        int                      lines;

};

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

/* 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 lines);

int bttv_risc_planar(struct bttv *btv, struct btcx_riscmem *risc,

                     struct scatterlist *sglist,

                     unsigned int yoffset,  unsigned int ybpl,

                     unsigned int ypadding, unsigned int ylines,

                     unsigned int uoffset,  unsigned int voffset,

                     unsigned int hshift,   unsigned int vshift,

                     unsigned int cpadding);

int bttv_risc_overlay(struct bttv *btv, struct btcx_riscmem *risc,

                      const struct bttv_format *fmt,

                      struct bttv_overlay *ov,

                      int skip_top, int skip_bottom);

/* calculate / apply geometry settings */

void bttv_calc_geo(struct bttv *btv, struct bttv_geometry *geo,

                   int width, int height, int interleaved, int norm);

void bttv_apply_geo(struct bttv *btv, struct bttv_geometry *geo, int top);

/* control dma register + risc main loop */

void bttv_set_dma(struct bttv *btv, int override, int irqflags);

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_set_activate(struct bttv *btv,

                             struct bttv_buffer_set *set);

void bttv_dma_free(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                                                 */

void bttv_vbi_try_fmt(struct bttv_fh *fh, struct v4l2_format *f);

void bttv_vbi_get_fmt(struct bttv_fh *fh, struct v4l2_format *f);

void bttv_vbi_setlines(struct bttv_fh *fh, struct bttv *btv, int lines);

extern struct videobuf_queue_ops bttv_vbi_qops;

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

/* bttv-input.c                                               */

int bttv_input_init(struct bttv *btv);

void bttv_input_fini(struct bttv *btv);

void bttv_input_irq(struct bttv *btv);

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

/* bttv-driver.c                                              */

/* insmod options */

extern unsigned int bttv_verbose;

extern unsigned int bttv_debug;

extern unsigned int bttv_gpio;

extern void bttv_gpio_tracking(struct bttv *btv, char *comment);

extern int init_bttv_i2c(struct bttv *btv);

extern int fini_bttv_i2c(struct bttv *btv);

extern int pvr_boot(struct bttv *btv);

extern int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg);

extern void bttv_reinit_bt848(struct bttv *btv);

extern void bttv_field_count(struct bttv *btv);

#define vprintk  if (bttv_verbose) printk

#define dprintk  if (bttv_debug >= 1) printk

#define d2printk if (bttv_debug >= 2) printk

/* our devices */

#define BTTV_MAX 16

extern unsigned int bttv_num;

extern struct bttv bttvs[BTTV_MAX];

#define BTTV_MAX_FBUF   0x208000

#define VBIBUF_SIZE     (2048*VBI_MAXLINES*2)

#define BTTV_TIMEOUT    (HZ/2) /* 0.5 seconds */

#define BTTV_FREE_IDLE  (HZ)   /* 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 */

};

#ifdef CONFIG_VIDEO_IR

/* 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;

};

#endif

struct bttv {

        /* pci device config */

        struct pci_dev *dev;

        unsigned short id;

        unsigned char revision;

        unsigned char *bt848_mmio;   /* pointer to mmio */

        /* card configuration info */

        unsigned int nr;       /* dev nr (for printk("bttv%d: ...");  */

        char name[8];          /* dev name */

        unsigned int cardid;   /* pci subsystem id (bt878 based ones) */

        unsigned int type;     /* card type (pointer into tvcards[])  */

        unsigned int tuner_type;  /* tuner chip type */

        unsigned int pinnacle_id;

        unsigned int svhs;

        struct bttv_pll_info pll;

        int triton1;

        /* gpio interface */

        wait_queue_head_t gpioq;

        int shutdown;

        void (*audio_hook)(struct bttv *btv, struct video_audio *v, int set);

        /* i2c layer */

        struct i2c_adapter         i2c_adap;

        struct i2c_algo_bit_data   i2c_algo;

        struct i2c_client          i2c_client;

        int                        i2c_state, i2c_rc;

        /* video4linux (1) */

        struct video_device *video_dev;

        struct video_device *radio_dev;

        struct video_device *vbi_dev;

        /* infrared remote */

        int has_remote;

#ifdef CONFIG_VIDEO_IR

        struct bttv_input *remote;

#endif

        /* locking */

        spinlock_t s_lock;

        struct semaphore lock;

        int resources;

        struct semaphore reslock;

#ifdef VIDIOC_G_PRIORITY 

        struct v4l2_prio_state prio;

#endif

        /* video state */

        unsigned int input;

        unsigned int audio;

        unsigned long freq;

        int tvnorm,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;

        /* 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 aquire 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      */

        int                     new_input;

        unsigned long cap_ctl;

        unsigned long dma_on;

        struct timer_list timeout;

        unsigned int errors;

        unsigned int users;

        struct bttv_fh init;

};

/* private ioctls */

#define BTTV_VERSION            _IOR('v' , BASE_VIDIOCPRIVATE+6, int)

#define BTTV_VBISIZE            _IOR('v' , BASE_VIDIOCPRIVATE+8, int)

#endif

#define btwrite(dat,adr)    writel((dat), (char *) (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:

 */