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/*
 *  bttv - Bt848 frame grabber driver
 *
 *  card ID's and external interfaces of the bttv driver
 *  basically stuff needed by other drivers (i2c, lirc, ...)
 *  and is supported not to change much over time.
 *
 *  Copyright (C) 1996,97 Ralph Metzler (rjkm@thp.uni-koeln.de)
 *  (c) 1999,2000 Gerd Knorr <kraxel@goldbach.in-berlin.de>
 *
 */


#ifndef _BTTV_H_
#define _BTTV_H_

#include <sys/types.h>
#include "drivers/compbttv.h"

#include "drivers/videodev.h"
#include "linux/i2c.h"
#include "linux/i2c-algo-bit.h"

#include "drivers/bt848.h"
#include "drivers/audiochip.h"

#include "drivers/gpio.h"

#define I2C_CLIENTS_MAX 16

#define BTTV_UNKNOWN       0x00
#define BTTV_MIRO          0x01
#define BTTV_HAUPPAUGE     0x02
#define BTTV_STB           0x03
#define BTTV_INTEL         0x04
#define BTTV_DIAMOND       0x05
#define BTTV_AVERMEDIA     0x06
#define BTTV_MATRIX_VISION 0x07
#define BTTV_FLYVIDEO      0x08
#define BTTV_TURBOTV       0x09
#define BTTV_HAUPPAUGE878  0x0a
#define BTTV_MIROPRO       0x0b
#define BTTV_ADSTECH_TV    0x0c
#define BTTV_AVERMEDIA98   0x0d
#define BTTV_VHX           0x0e
#define BTTV_ZOLTRIX       0x0f
#define BTTV_PIXVIEWPLAYTV 0x10
#define BTTV_WINVIEW_601   0x11
#define BTTV_AVEC_INTERCAP 0x12
#define BTTV_LIFE_FLYKIT   0x13
#define BTTV_CEI_RAFFLES   0x14
#define BTTV_CONFERENCETV  0x15
#define BTTV_PHOEBE_TVMAS  0x16
#define BTTV_MODTEC_205    0x17
#define BTTV_MAGICTVIEW061 0x18
#define BTTV_VOBIS_BOOSTAR 0x19
#define BTTV_HAUPPAUG_WCAM 0x1a
#define BTTV_MAXI          0x1b
#define BTTV_TERRATV       0x1c
#define BTTV_PXC200        0x1d
#define BTTV_FLYVIDEO_98   0x1e
#define BTTV_IPROTV        0x1f
#define BTTV_INTEL_C_S_PCI 0x20
#define BTTV_TERRATVALUE   0x21
#define BTTV_WINFAST2000   0x22
#define BTTV_CHRONOS_VS2   0x23
#define BTTV_TYPHOON_TVIEW 0x24
#define BTTV_PXELVWPLTVPRO 0x25
#define BTTV_MAGICTVIEW063 0x26
#define BTTV_PINNACLE      0x27
#define BTTV_STB2          0x28
#define BTTV_AVPHONE98     0x29
#define BTTV_PV951         0x2a
#define BTTV_ONAIR_TV      0x2b
#define BTTV_SIGMA_TVII_FM 0x2c
#define BTTV_MATRIX_VISION2 0x2d
#define BTTV_ZOLTRIX_GENIE 0x2e
#define BTTV_TERRATVRADIO  0x2f
#define BTTV_DYNALINK      0x30
#define BTTV_GVBCTV3PCI    0x31
#define BTTV_PXELVWPLTVPAK 0x32
#define BTTV_EAGLE         0x33
#define BTTV_PINNACLEPRO   0x34
#define BTTV_TVIEW_RDS_FM  0x35
#define BTTV_LIFETEC_9415  0x36
#define BTTV_BESTBUY_EASYTV 0x37
#define BTTV_FLYVIDEO_98FM 0x38
#define BTTV_GMV1          0x3d
#define BTTV_BESTBUY_EASYTV2 0x3e
#define BTTV_ATI_TVWONDER  0x3f
#define BTTV_ATI_TVWONDERVE 0x40
#define BTTV_FLYVIDEO2000   0x41
#define BTTV_TERRATVALUER   0x42
#define BTTV_GVBCTV4PCI     0x43
#define BTTV_VOODOOTV_FM    0x44
#define BTTV_AIMMS          0x45
#define BTTV_PV_BT878P_PLUS 0x46
#define BTTV_FLYVIDEO98EZ   0x47
#define BTTV_PV_BT878P_9B   0x48
#define BTTV_SENSORAY311    0x49
#define BTTV_RV605          0x4a
#define BTTV_WINDVR         0x4c
#define BTTV_OSPREY1x0      0x4f
#define BTTV_OSPREY1x0_848  0x50
#define BTTV_OSPREY101_848  0x51
#define BTTV_OSPREY1x1      0x52
#define BTTV_OSPREY1x1_SVID 0x53
#define BTTV_OSPREY2xx      0x54
#define BTTV_OSPREY2x0_SVID 0x55
#define BTTV_OSPREY2x0      0x56
#define BTTV_OSPREY5x0      0x57
#define BTTV_OSPREY2000     0x58
#define BTTV_OSPREY_BEGIN   BTTV_OSPREY1x0
#define BTTV_OSPREY_END     BTTV_OSPREY2000

/* i2c address list */
#define I2C_TSA5522        0xc2
#define I2C_TDA7432        0x8a
#define I2C_TDA8425        0x82
#define I2C_TDA9840        0x84
#define I2C_TDA9850        0xb6 /* also used by 9855,9873 */
#define I2C_TDA9874        0xb0 /* also used by 9875 */
#define I2C_TDA9875        0xb0
#define I2C_HAUPEE         0xa0
#define I2C_STBEE          0xae
#define I2C_VHX            0xc0
#define I2C_MSP3400        0x80
#define I2C_TEA6300        0x80
#define I2C_DPL3518        0x84

/* more card-specific defines */
#define PT2254_L_CHANNEL 0x10
#define PT2254_R_CHANNEL 0x08
#define PT2254_DBS_IN_2 0x400
#define PT2254_DBS_IN_10 0x20000
#define WINVIEW_PT2254_CLK  0x40
#define WINVIEW_PT2254_DATA 0x20
#define WINVIEW_PT2254_STROBE 0x80

#define dprintk         if (bttv_debug) cprintf

/* Anybody who uses more than four? */
#define BTTV_MAX 4
extern int bttv_num;                    /* number of Bt848s in use */
extern struct bttv bttvs[BTTV_MAX];

#ifndef O_NONCAP  
#define O_NONCAP        O_TRUNC
#endif

#ifdef VIDEODAT_HACK
# define VBI_MAXLINES   19
#else
# define VBI_MAXLINES   16
#endif
#define VBIBUF_SIZE     (2048*VBI_MAXLINES*2)
#define MAX_GBUFFERS    64
#define RISCMEM_LEN     (32744*2)

#define BTTV_MAX_FBUF   0x208000

struct bttv_window
{
        int x, y;
        ushort width, height;
        ushort bpp, bpl;
        ushort swidth, sheight;
        unsigned long vidadr;
        ushort freq;
        int norm;
        int interlace;
        int color_fmt;
        ushort depth;
};

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 */
};

struct bttv_gbuf {
        int stat;
#define GBUFFER_UNUSED       0
#define GBUFFER_GRABBING     1
#define GBUFFER_DONE         2
#define GBUFFER_ERROR        3
        struct timespec tv;
       
        u16 width;
        u16 height;
        u16 fmt;
       
        u32 *risc;
        unsigned long ro;
        unsigned long re;
};

struct bttv {
        struct video_device video_dev;
        struct video_device radio_dev;
        struct video_device vbi_dev;
        struct video_picture picture;           /* Current picture params */
        struct video_audio audio_dev;           /* Current audio params */

        int user;
        int capuser;

        /* i2c */
        struct i2c_adapter         i2c_adap;
        struct i2c_algo_bit_data   i2c_algo;
        struct i2c_client          i2c_client;
        int                        i2c_state, i2c_rc;
        struct i2c_client         *i2c_clients[I2C_CLIENTS_MAX];

        int tuner_type;
        int channel;
       
        unsigned int nr;
        unsigned short id;
        unsigned char revision;
        unsigned long bt848_adr;      /* bus address of IO mem returned by PCI BIOS */
        struct pci_dev *dev;
        unsigned char *bt848_mem; /* ptr to mapped IO memory */
        struct gpio_adapter gpio_adap;
        unsigned long busriscmem;
        u32 *riscmem;
 
        unsigned char *vbibuf;
        struct bttv_window win;
        int fb_color_ctl;
        int type;            /* card type  */
        int cardid;
        int audio;           /* audio mode */
        int audio_chip;      /* set to one of the chips supported by bttv.c */
        int radio;
        int has_radio;

        /* 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;

        u32 *risc_jmp;
        u32 *vbi_odd;
        u32 *vbi_even;
        u32 bus_vbi_even;
        u32 bus_vbi_odd;
        int vbip;

        u32 *risc_scr_odd;
        u32 *risc_scr_even;
        u32 risc_cap_odd;
        u32 risc_cap_even;
        int scr_on;
        int vbi_on;
        struct video_clip *cliprecs;

        struct bttv_gbuf *gbuf;
        int gqueue[MAX_GBUFFERS];
        int gq_in,gq_out,gq_grab,gq_start;
        char *fbuffer;

        struct bttv_pll_info pll;
        unsigned int Fsc;
        unsigned int field;
        unsigned int last_field; /* number of last grabbed field */
        int i2c_command;
        int triton1;

        int errors;
        int needs_restart;

        int shutdown;
};

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

#define btwrite(dat,adr)    *(unsigned long *) (btv->bt848_mem+(adr)) = (unsigned long)(dat)
#define btread(adr)         *(unsigned long *)(btv->bt848_mem+(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)

#define gpiowrite(dat)      gpio_set  (&(btv->gpio_adap),dat)
#define gpioread()          btread(BT848_GPIO_DATA)
#define gpioand(dat)        gpio_and  (&(btv->gpio_adap),dat)
#define gpioor(dat)         gpio_or   (&(btv->gpio_adap),dat)
#define gpioaor(dat,mask)   gpio_andor(&(btv->gpio_adap),mask,dat)

/* bttv ioctls */

#define BTTV_READEE             _IOW('v',  BASE_VIDIOCPRIVATE+0, char [256])
#define BTTV_WRITEE             _IOR('v',  BASE_VIDIOCPRIVATE+1, char [256])
#define BTTV_FIELDNR            _IOR('v' , BASE_VIDIOCPRIVATE+2, unsigned int)
#define BTTV_PLLSET             _IOW('v' , BASE_VIDIOCPRIVATE+3, struct bttv_pll_info)
#define BTTV_BURST_ON           _IOR('v' , BASE_VIDIOCPRIVATE+4, int)
#define BTTV_BURST_OFF          _IOR('v' , BASE_VIDIOCPRIVATE+5, int)
#define BTTV_VERSION            _IOR('v' , BASE_VIDIOCPRIVATE+6, int)
#define BTTV_PICNR              _IOR('v' , BASE_VIDIOCPRIVATE+7, int)
#define BTTV_VBISIZE            _IOR('v' , BASE_VIDIOCPRIVATE+8, int)

#define TDA9850            0x01
#define TDA9840            0x02
#define TDA8425            0x03
#define TEA6300            0x04

struct tvcard
{
        char *name;
        int video_inputs;
        int audio_inputs;
        int tuner;
        int svhs;
        u32 gpiomask;
        u32 muxsel[16];
        u32 audiomux[6]; /* Tuner, Radio, external, internal, mute, stereo */
        u32 gpiomask2;   /* GPIO MUX mask */

        /* i2c audio flags */
        int no_msp34xx:1;
        int no_tda9875:1;
        int no_tda7432:1;
        int needs_tvaudio:1;

        /* other settings */
        int pll;
#define PLL_NONE 0
#define PLL_28   1
#define PLL_35   2

        int tuner_type;
        int has_radio;
        void (*audio_hook)(struct bttv *btv, struct video_audio *v, int set);
        void (*muxsel_hook)(struct bttv *btv, unsigned int input);
};

extern struct tvcard bttv_tvcards[];
extern const int bttv_num_tvcards;

/* identification / initialization of the card */
extern void bttv_idcard(struct bttv *btv);
extern void bttv_init_card1(struct bttv *btv);
extern void bttv_init_card2(struct bttv *btv);

/* card-specific funtions */
extern void tea5757_set_freq(struct bttv *btv, unsigned short freq);
extern void bttv_tda9880_setnorm(struct bttv *btv, int norm);

/* kernel cmd line parse helper */
extern int bttv_parse(char *str, int max, int *vals);

/* extra tweaks for some chipsets */
extern void bttv_check_chipset(void);
extern int bttv_handle_chipset(struct bttv *btv);

/* ---------------------------------------------------------- */
/* exported by bttv-if.c                                      */
/* interface for gpio access by other modules                 */

/* returns card type + card ID (for bt878-based ones)
   for possible values see lines below beginning with #define BTTV_UNKNOWN
   returns negative value if error occurred
*/

extern int bttv_get_cardinfo(unsigned int card, int *type, int *cardid);

/* obsolete, use bttv_get_cardinfo instead */
extern int bttv_get_id(unsigned int card);

/* sets GPOE register (BT848_GPIO_OUT_EN) to new value:
   data | (current_GPOE_value & ~mask)
   returns negative value if error occurred
*/

extern int bttv_gpio_enable(unsigned int card,
                            unsigned long mask, unsigned long data);

/* fills data with GPDATA register contents
   returns negative value if error occurred
*/

extern int bttv_read_gpio(unsigned int card, unsigned long *data);

/* sets GPDATA register to new value:
  (data & mask) | (current_GPDATA_value & ~mask)
  returns negative value if error occurred
*/

extern int bttv_write_gpio(unsigned int card,
                           unsigned long mask, unsigned long data);

/* i2c */
extern void bttv_bit_setscl(void *data, int state);
extern void bttv_bit_setsda(void *data, int state);
extern void bttv_call_i2c_clients(struct bttv *btv, unsigned int cmd, void *arg);
extern int bttv_I2CRead(struct bttv *btv, unsigned char addr, char *probe_for);
extern int bttv_I2CWrite(struct bttv *btv, unsigned char addr, unsigned char b1,
                         unsigned char b2, int both);
extern void bttv_readee(struct bttv *btv, unsigned char *eedata, int addr);

struct pci_dev;
extern struct bttv *bttv_find_matching_card( struct pci_dev *dev );

#endif /* _BTTV_H_ */