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 BTTV_VERSION_CODE 0x000523
  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 #ifndef O_NONCAP
  35 #define O_NONCAP        O_TRUNC
  36 #endif
  37
  38 #define MAX_GBUFFERS    2
  39 #define RISCMEM_LEN     (32744*2)
  40 #define VBIBUF_SIZE     65536
  41
  42 /* maximum needed buffer size for extended VBI frame mode capturing */
  43 #define BTTV_MAX_FBUF   0x190000
  44
  45 #ifdef __KERNEL__
  46
  47 struct bttv_window
  48 {
  49         int x, y;
  50         ushort width, height;
  51         ushort bpp, bpl;
  52         ushort swidth, sheight;
  53         short cropx, cropy;
  54         ushort cropwidth, cropheight;
  55         unsigned long vidadr;
  56         ushort freq;
  57         int norm;
  58         int interlace;
  59         int color_fmt;
  60         ushort depth;
  61 };
  62
  63 struct bttv_pll_info {
  64         unsigned int pll_ifreq;    /* PLL input frequency        */
  65         unsigned int pll_ofreq;    /* PLL output frequency       */
  66         unsigned int pll_crystal;  /* Crystal used for input     */
  67         unsigned int pll_current;  /* Currently programmed ofreq */
  68 };
  69
  70 /*  Per-open data for handling multiple opens on one device */
  71 struct device_open
  72 {
  73         int          isopen;
  74         int          noncapturing;
  75         struct bttv  *dev;
  76 };
  77 #define MAX_OPENS 3
  78
  79 struct bttv
  80 {
  81         struct video_device video_dev;
  82         struct video_device radio_dev;
  83         struct video_device vbi_dev;
  84         struct video_picture picture;           /* Current picture params */
  85         struct video_audio audio_dev;           /* Current audio params */
  86
  87         int user;
  88         int capuser;
  89         struct device_open open_data[MAX_OPENS];
  90
  91         struct i2c_bus i2c;
  92         int have_msp3400;
  93         int have_tuner;
  94         int tuner_type;
  95         int channel;
  96
  97         unsigned int nr;
  98         unsigned short id;
  99 #if LINUX_VERSION_CODE < 0x020100
 100         unsigned char bus;          /* PCI bus the Bt848 is on */
 101         unsigned char devfn;
 102 #else
 103         struct pci_dev *dev;
 104 #endif
 105         unsigned char irq;          /* IRQ used by Bt848 card */
 106         unsigned char revision;
 107         unsigned int bt848_adr;      /* bus address of IO mem returned by PCI BIOS */
 108         unsigned char *bt848_mem;   /* pointer to mapped IO memory */
 109         unsigned long busriscmem;
 110         u32 *riscmem;
 111
 112         unsigned char *vbibuf;
 113         struct bttv_window win;
 114         int type;            /* card type  */
 115         int audio;           /* audio mode */
 116         int audio_chip;
 117         int radio;
 118
 119         u32 *risc_jmp;
 120         u32 *vbi_odd;
 121         u32 *vbi_even;
 122         u32 bus_vbi_even;
 123         u32 bus_vbi_odd;
 124         struct wait_queue *vbiq;
 125         struct wait_queue *capq;
 126         struct wait_queue *capqo;
 127         struct wait_queue *capqe;
 128         int vbip;
 129
 130         u32 *risc_odd;
 131         u32 *risc_even;
 132         int cap;
 133         struct video_clip *cliprecs;
 134
 135         struct gbuffer *ogbuffers;
 136         struct gbuffer *egbuffers;
 137         u16 gwidth, gheight, gfmt;
 138         u16 gwidth_next, gheight_next, gfmt_next;
 139         u32 *grisc;
 140
 141         unsigned long gro;
 142         unsigned long gre;
 143         unsigned long gro_next;
 144         unsigned long gre_next;
 145
 146         int grf,grf_next;  /* frame numbers in grab queue */
 147         int frame_stat[MAX_GBUFFERS];
 148 #define GBUFFER_UNUSED       0
 149 #define GBUFFER_GRABBING     1
 150 #define GBUFFER_DONE         2
 151
 152         char *fbuffer;
 153         int gmode;
 154         int grabbing;
 155         int lastgrab;
 156         int grab;
 157         int grabcount;
 158
 159         struct bttv_pll_info pll;
 160         unsigned int Fsc;
 161         unsigned int field;
 162         unsigned int last_field; /* number of last grabbed field */
 163         int i2c_command;
 164         int triton1;
 165 };
 166 #endif
 167
 168 /*The following should be done in more portable way. It depends on define
 169   of _ALPHA_BTTV in the Makefile.*/
 170
 171 #ifdef _ALPHA_BTTV
 172 #define btwrite(dat,adr)    writel((dat),(char *) (btv->bt848_adr+(adr)))
 173 #define btread(adr)         readl(btv->bt848_adr+(adr))
 174 #else
 175 #define btwrite(dat,adr)    writel((dat), (char *) (btv->bt848_mem+(adr)))
 176 #define btread(adr)         readl(btv->bt848_mem+(adr))
 177 #endif
 178
 179 #define btand(dat,adr)      btwrite((dat) & btread(adr), adr)
 180 #define btor(dat,adr)       btwrite((dat) | btread(adr), adr)
 181 #define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr)
 182
 183 /* bttv ioctls */
 184
 185 #define BTTV_READEE             _IOW('v',  BASE_VIDIOCPRIVATE+0, char [256])
 186 #define BTTV_WRITEE             _IOR('v',  BASE_VIDIOCPRIVATE+1, char [256])
 187 #define BTTV_FIELDNR            _IOR('v' , BASE_VIDIOCPRIVATE+2, unsigned int)
 188 #define BTTV_PLLSET             _IOW('v' , BASE_VIDIOCPRIVATE+3, struct bttv_pll_info)
 189 #define BTTV_BURST_ON           _IOR('v' , BASE_VIDIOCPRIVATE+4, int)
 190 #define BTTV_BURST_OFF          _IOR('v' , BASE_VIDIOCPRIVATE+5, int)
 191 #define BTTV_VERSION            _IOR('v' , BASE_VIDIOCPRIVATE+6, int)
 192 #define BTTV_PICNR              _IOR('v' , BASE_VIDIOCPRIVATE+7, int)
 193
 194
 195 #define BTTV_UNKNOWN       0x00
 196 #define BTTV_MIRO          0x01
 197 #define BTTV_HAUPPAUGE     0x02
 198 #define BTTV_STB           0x03
 199 #define BTTV_INTEL         0x04
 200 #define BTTV_DIAMOND       0x05
 201 #define BTTV_AVERMEDIA     0x06
 202 #define BTTV_MATRIX_VISION 0x07
 203 #define BTTV_FLYVIDEO      0x08
 204 #define BTTV_TURBOTV       0x09
 205 #define BTTV_HAUPPAUGE878  0x0a
 206 #define BTTV_MIROPRO       0x0b
 207 #define BTTV_ADSTECH_TV    0x0c
 208 #define BTTV_AVERMEDIA98   0x0d
 209 #define BTTV_VHX           0x0e
 210
 211 #define AUDIO_TUNER        0x00
 212 #define AUDIO_RADIO        0x01
 213 #define AUDIO_EXTERN       0x02
 214 #define AUDIO_INTERN       0x03
 215 #define AUDIO_OFF          0x04
 216 #define AUDIO_ON           0x05
 217 #define AUDIO_MUTE         0x80
 218 #define AUDIO_UNMUTE       0x81
 219
 220 #define TDA9850            0x01
 221 #define TDA8425            0x02
 222 #define TDA9840            0x03
 223
 224 #define I2C_TSA5522        0xc2
 225 #define I2C_TDA9840        0x84
 226 #define I2C_TDA9850        0xb6
 227 #define I2C_TDA8425        0x82
 228 #define I2C_HAUPEE         0xa0
 229 #define I2C_STBEE          0xae
 230 #define I2C_VHX            0xc0
 231
 232 #define TDA9840_SW         0x00
 233 #define TDA9840_LVADJ      0x02
 234 #define TDA9840_STADJ      0x03
 235 #define TDA9840_TEST       0x04
 236
 237 #define TDA9850_CON1       0x04
 238 #define TDA9850_CON2       0x05
 239 #define TDA9850_CON3       0x06
 240 #define TDA9850_CON4       0x07
 241 #define TDA9850_ALI1       0x08
 242 #define TDA9850_ALI2       0x09
 243 #define TDA9850_ALI3       0x0a
 244
 245 #define TDA8425_VL         0x00
 246 #define TDA8425_VR         0x01
 247 #define TDA8425_BA         0x02
 248 #define TDA8425_TR         0x03
 249 #define TDA8425_S1         0x08
 250
 251
 252 #endif