drivers/char/bttv.h

   1 /*
   2     bttv - Bt848 frame grabber driver
   3
   4     Copyright (C) 1996,97 Ralph Metzler (rjkm@thp.uni-koeln.de)
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21 #ifndef _BTTV_H_
  22 #define _BTTV_H_
  23
  24 #define TEST_VBI
  25
  26 #include <linux/types.h>
  27 #include <linux/wait.h>
  28
  29 #include <linux/i2c.h>
  30 #include "msp3400.h"
  31 #include "bt848.h"
  32 #include <linux/videodev.h>
  33
  34 #define MAX_CLIPRECS    100
  35 #define MAX_GBUFFERS    2
  36 #define RISCMEM_LEN     (32744*2)
  37
  38 /* maximum needed buffer size for extended VBI frame mode capturing */
  39 #define BTTV_MAX_FBUF   0x151000
  40
  41 #ifdef __KERNEL__
  42
  43 struct bttv_window
  44 {
  45         int x, y;
  46         ushort width, height;
  47         ushort bpp, bpl;
  48         ushort swidth, sheight;
  49         short cropx, cropy;
  50         ushort cropwidth, cropheight;
  51         unsigned long vidadr;
  52         ushort freq;
  53         int norm;
  54         int interlace;
  55         int color_fmt;
  56         ushort depth;
  57 };
  58
  59
  60 struct bttv
  61 {
  62         struct video_device video_dev;
  63         struct video_device radio_dev;
  64         struct video_device vbi_dev;
  65         struct video_picture picture;           /* Current picture params */
  66         struct video_audio audio_dev;           /* Current audio params */
  67
  68         struct i2c_bus i2c;
  69         int have_msp3400;
  70         int have_tuner;
  71         int tuner_type;
  72         int channel;
  73
  74         unsigned int nr;
  75         unsigned short id;
  76         unsigned char bus;          /* PCI bus the Bt848 is on */
  77         unsigned char devfn;
  78         struct pci_dev *dev;
  79         unsigned char irq;          /* IRQ used by Bt848 card */
  80         unsigned char revision;
  81         unsigned int bt848_adr;      /* bus address of IO mem returned by PCI BIOS */
  82         unsigned char *bt848_mem;   /* pointer to mapped IO memory */
  83         unsigned long busriscmem;
  84         u32 *riscmem;
  85
  86         unsigned char *vbibuf;
  87         struct bttv_window win;
  88         int type;            /* card type  */
  89         int audio;           /* audio mode */
  90         int user;
  91         int audio_chip;
  92         int radio;
  93
  94         u32 *risc_jmp;
  95         u32 *vbi_odd;
  96         u32 *vbi_even;
  97         u32 bus_vbi_even;
  98         u32 bus_vbi_odd;
  99         struct wait_queue *vbiq;
 100         struct wait_queue *capq;
 101         struct wait_queue *capqo;
 102         struct wait_queue *capqe;
 103         int vbip;
 104
 105         u32 *risc_odd;
 106         u32 *risc_even;
 107         int cap;
 108         struct video_clip *cliprecs;
 109
 110         struct gbuffer *ogbuffers;
 111         struct gbuffer *egbuffers;
 112         u16 gwidth, gheight, gfmt;
 113         u32 *grisc;
 114
 115         unsigned long gro;
 116         unsigned long gre;
 117         unsigned long gro_next;
 118         unsigned long gre_next;
 119
 120         int grf,grf_next;  /* frame numbers in grab queue */
 121         int frame_stat[MAX_GBUFFERS];
 122 #define GBUFFER_UNUSED       0
 123 #define GBUFFER_GRABBING     1
 124 #define GBUFFER_DONE         2
 125
 126         char *fbuffer;
 127         int gmode;
 128         int grabbing;
 129         int lastgrab;
 130         int grab;
 131         int grabcount;
 132
 133         int pll;
 134         unsigned int Fsc;
 135         unsigned int field;
 136         unsigned int last_field; /* number of last grabbed field */
 137         int i2c_command;
 138         int triton1;
 139 };
 140
 141 #endif
 142
 143 /*The following should be done in more portable way. It depends on define
 144   of _ALPHA_BTTV in the Makefile.*/
 145
 146 #ifdef _ALPHA_BTTV
 147 #define btwrite(dat,adr)    writel((dat),(char *) (btv->bt848_adr+(adr)))
 148 #define btread(adr)         readl(btv->bt848_adr+(adr))
 149 #else
 150 #define btwrite(dat,adr)    writel((dat), (char *) (btv->bt848_mem+(adr)))
 151 #define btread(adr)         readl(btv->bt848_mem+(adr))
 152 #endif
 153
 154 #define btand(dat,adr)      btwrite((dat) & btread(adr), adr)
 155 #define btor(dat,adr)       btwrite((dat) | btread(adr), adr)
 156 #define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr)
 157
 158 /* bttv ioctls */
 159
 160 #define BTTV_READEE             _IOW('v',  BASE_VIDIOCPRIVATE+0, char [256])
 161 #define BTTV_WRITEE             _IOR('v',  BASE_VIDIOCPRIVATE+1, char [256])
 162 #define BTTV_GRAB               _IOR('v' , BASE_VIDIOCPRIVATE+2, struct gbuf)
 163 #define BTTV_FIELDNR            _IOR('v' , BASE_VIDIOCPRIVATE+2, unsigned int)
 164
 165
 166 #define BTTV_UNKNOWN       0x00
 167 #define BTTV_MIRO          0x01
 168 #define BTTV_HAUPPAUGE     0x02
 169 #define BTTV_STB           0x03
 170 #define BTTV_INTEL         0x04
 171 #define BTTV_DIAMOND       0x05
 172 #define BTTV_AVERMEDIA     0x06
 173 #define BTTV_MATRIX_VISION 0x07
 174 #define BTTV_FLYVIDEO      0x08
 175
 176 #define AUDIO_TUNER        0x00
 177 #define AUDIO_RADIO        0x01
 178 #define AUDIO_EXTERN       0x02
 179 #define AUDIO_INTERN       0x03
 180 #define AUDIO_OFF          0x04
 181 #define AUDIO_ON           0x05
 182 #define AUDIO_MUTE         0x80
 183 #define AUDIO_UNMUTE       0x81
 184
 185 #define TDA9850            0x01
 186 #define TDA8425            0x02
 187
 188 #define I2C_TSA5522        0xc2
 189 #define I2C_TDA9850        0xb6
 190 #define I2C_TDA8425        0x82
 191 #define I2C_HAUPEE         0xa0
 192 #define I2C_STBEE          0xae
 193
 194 #define TDA9850_CON1       0x04
 195 #define TDA9850_CON2       0x05
 196 #define TDA9850_CON3       0x06
 197 #define TDA9850_CON4       0x07
 198 #define TDA9850_ALI1       0x08
 199 #define TDA9850_ALI2       0x09
 200 #define TDA9850_ALI3       0x0a
 201
 202 #define TDA8425_VL         0x00
 203 #define TDA8425_VR         0x01
 204 #define TDA8425_BA         0x02
 205 #define TDA8425_TR         0x03
 206 #define TDA8425_S1         0x08
 207
 208
 209 #endif