drivers/media/video/mxb.c

   1 /*
   2     mxb - v4l2 driver for the Multimedia eXtension Board
   3
   4     Copyright (C) 1998-2003 Michael Hunold <michael@mihu.de>
   5
   6     Visit http://www.mihu.de/linux/saa7146/mxb/
   7     for further details about this card.
   8
   9     This program is free software; you can redistribute it and/or modify
  10     it under the terms of the GNU General Public License as published by
  11     the Free Software Foundation; either version 2 of the License, or
  12     (at your option) any later version.
  13
  14     This program is distributed in the hope that it will be useful,
  15     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17     GNU General Public License for more details.
  18
  19     You should have received a copy of the GNU General Public License
  20     along with this program; if not, write to the Free Software
  21     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22 */
  23
  24 #define DEBUG_VARIABLE debug
  25
  26 #include <media/saa7146_vv.h>
  27 #include <media/tuner.h>
  28 #include <linux/video_decoder.h>
  29
  30 #include "mxb.h"
  31 #include "tea6415c.h"
  32 #include "tea6420.h"
  33 #include "tda9840.h"
  34
  35 #define I2C_SAA7111 0x24
  36
  37 #define MXB_BOARD_CAN_DO_VBI(dev)   (dev->revision != 0)
  38
  39 /* global variable */
  40 static int mxb_num = 0;
  41
  42 /* initial frequence the tuner will be tuned to.
  43    in verden (lower saxony, germany) 4148 is a
  44    channel called "phoenix" */
  45 static int freq = 4148;
  46 module_param(freq, int, 0644);
  47 MODULE_PARM_DESC(freq, "initial frequency the tuner will be tuned to while setup");
  48
  49 static int debug = 0;
  50 module_param(debug, int, 0644);
  51 MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off).");
  52
  53 #define MXB_INPUTS 4
  54 enum { TUNER, AUX1, AUX3, AUX3_YC };
  55
  56 static struct v4l2_input mxb_inputs[MXB_INPUTS] = {
  57         { TUNER,        "Tuner",                V4L2_INPUT_TYPE_TUNER,  1, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
  58         { AUX1,         "AUX1",                 V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
  59         { AUX3,         "AUX3 Composite",       V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
  60         { AUX3_YC,      "AUX3 S-Video",         V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
  61 };
  62
  63 /* this array holds the information, which port of the saa7146 each
  64    input actually uses. the mxb uses port 0 for every input */
  65 static struct {
  66         int hps_source;
  67         int hps_sync;
  68 } input_port_selection[MXB_INPUTS] = {
  69         { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
  70         { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
  71         { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
  72         { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
  73 };
  74
  75 /* this array holds the information of the audio source (mxb_audios),
  76    which has to be switched corresponding to the video source (mxb_channels) */
  77 static int video_audio_connect[MXB_INPUTS] =
  78         { 0, 1, 3, 3 };
  79
  80 /* these are the necessary input-output-pins for bringing one audio source
  81 (see above) to the CD-output */
  82 static struct tea6420_multiplex TEA6420_cd[MXB_AUDIOS+1][2] =
  83                 {
  84                 {{1,1,0},{1,1,0}},      /* Tuner */
  85                 {{5,1,0},{6,1,0}},      /* AUX 1 */
  86                 {{4,1,0},{6,1,0}},      /* AUX 2 */
  87                 {{3,1,0},{6,1,0}},      /* AUX 3 */
  88                 {{1,1,0},{3,1,0}},      /* Radio */
  89                 {{1,1,0},{2,1,0}},      /* CD-Rom */
  90                 {{6,1,0},{6,1,0}}       /* Mute */
  91                 };
  92
  93 /* these are the necessary input-output-pins for bringing one audio source
  94 (see above) to the line-output */
  95 static struct tea6420_multiplex TEA6420_line[MXB_AUDIOS+1][2] =
  96                 {
  97                 {{2,3,0},{1,2,0}},
  98                 {{5,3,0},{6,2,0}},
  99                 {{4,3,0},{6,2,0}},
 100                 {{3,3,0},{6,2,0}},
 101                 {{2,3,0},{3,2,0}},
 102                 {{2,3,0},{2,2,0}},
 103                 {{6,3,0},{6,2,0}}       /* Mute */
 104                 };
 105
 106 #define MAXCONTROLS     1
 107 static struct v4l2_queryctrl mxb_controls[] = {
 108         { V4L2_CID_AUDIO_MUTE, V4L2_CTRL_TYPE_BOOLEAN, "Mute", 0, 1, 1, 0, 0 },
 109 };
 110
 111 static struct saa7146_extension_ioctls ioctls[] = {
 112         { VIDIOC_ENUMINPUT,     SAA7146_EXCLUSIVE },
 113         { VIDIOC_G_INPUT,       SAA7146_EXCLUSIVE },
 114         { VIDIOC_S_INPUT,       SAA7146_EXCLUSIVE },
 115         { VIDIOC_QUERYCTRL,     SAA7146_BEFORE },
 116         { VIDIOC_G_CTRL,        SAA7146_BEFORE },
 117         { VIDIOC_S_CTRL,        SAA7146_BEFORE },
 118         { VIDIOC_G_TUNER,       SAA7146_EXCLUSIVE },
 119         { VIDIOC_S_TUNER,       SAA7146_EXCLUSIVE },
 120         { VIDIOC_G_FREQUENCY,   SAA7146_EXCLUSIVE },
 121         { VIDIOC_S_FREQUENCY,   SAA7146_EXCLUSIVE },
 122         { VIDIOC_G_AUDIO,       SAA7146_EXCLUSIVE },
 123         { VIDIOC_S_AUDIO,       SAA7146_EXCLUSIVE },
 124         { MXB_S_AUDIO_CD,       SAA7146_EXCLUSIVE },    /* custom control */
 125         { MXB_S_AUDIO_LINE,     SAA7146_EXCLUSIVE },    /* custom control */
 126         { 0,                    0 }
 127 };
 128
 129 struct mxb
 130 {
 131         struct video_device     *video_dev;
 132         struct video_device     *vbi_dev;
 133
 134         struct i2c_adapter      i2c_adapter;
 135
 136         struct i2c_client*      saa7111a;
 137         struct i2c_client*      tda9840;
 138         struct i2c_client*      tea6415c;
 139         struct i2c_client*      tuner;
 140         struct i2c_client*      tea6420_1;
 141         struct i2c_client*      tea6420_2;
 142
 143         int     cur_mode;       /* current audio mode (mono, stereo, ...) */
 144         int     cur_input;      /* current input */
 145         int     cur_freq;       /* current frequency the tuner is tuned to */
 146         int     cur_mute;       /* current mute status */
 147 };
 148
 149 static struct saa7146_extension extension;
 150
 151 static int mxb_probe(struct saa7146_dev* dev)
 152 {
 153         struct mxb* mxb = NULL;
 154         struct i2c_client *client;
 155         struct list_head *item;
 156         int result;
 157
 158         if ((result = request_module("saa7111")) < 0) {
 159                 printk("mxb: saa7111 i2c module not available.\n");
 160                 return -ENODEV;
 161         }
 162         if ((result = request_module("tuner")) < 0) {
 163                 printk("mxb: tuner i2c module not available.\n");
 164                 return -ENODEV;
 165         }
 166         if ((result = request_module("tea6420")) < 0) {
 167                 printk("mxb: tea6420 i2c module not available.\n");
 168                 return -ENODEV;
 169         }
 170         if ((result = request_module("tea6415c")) < 0) {
 171                 printk("mxb: tea6415c i2c module not available.\n");
 172                 return -ENODEV;
 173         }
 174         if ((result = request_module("tda9840")) < 0) {
 175                 printk("mxb: tda9840 i2c module not available.\n");
 176                 return -ENODEV;
 177         }
 178
 179         mxb = (struct mxb*)kmalloc(sizeof(struct mxb), GFP_KERNEL);
 180         if( NULL == mxb ) {
 181                 DEB_D(("not enough kernel memory.\n"));
 182                 return -ENOMEM;
 183         }
 184         memset(mxb, 0x0, sizeof(struct mxb));
 185
 186         mxb->i2c_adapter = (struct i2c_adapter) {
 187                 .class = I2C_CLASS_TV_ANALOG,
 188                 .name = "mxb",
 189         };
 190
 191         saa7146_i2c_adapter_prepare(dev, &mxb->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
 192         if(i2c_add_adapter(&mxb->i2c_adapter) < 0) {
 193                 DEB_S(("cannot register i2c-device. skipping.\n"));
 194                 kfree(mxb);
 195                 return -EFAULT;
 196         }
 197
 198         /* loop through all i2c-devices on the bus and look who is there */
 199         list_for_each(item,&mxb->i2c_adapter.clients) {
 200                 client = list_entry(item, struct i2c_client, list);
 201                 if( I2C_TEA6420_1 == client->addr )
 202                         mxb->tea6420_1 = client;
 203                 if( I2C_TEA6420_2 == client->addr )
 204                         mxb->tea6420_2 = client;
 205                 if( I2C_TEA6415C_2 == client->addr )
 206                         mxb->tea6415c = client;
 207                 if( I2C_TDA9840 == client->addr )
 208                         mxb->tda9840 = client;
 209                 if( I2C_SAA7111 == client->addr )
 210                         mxb->saa7111a = client;
 211                 if( 0x60 == client->addr )
 212                         mxb->tuner = client;
 213         }
 214
 215         /* check if all devices are present */
 216         if(    0 == mxb->tea6420_1      || 0 == mxb->tea6420_2  || 0 == mxb->tea6415c
 217             || 0 == mxb->tda9840        || 0 == mxb->saa7111a   || 0 == mxb->tuner ) {
 218
 219                 printk("mxb: did not find all i2c devices. aborting\n");
 220                 i2c_del_adapter(&mxb->i2c_adapter);
 221                 kfree(mxb);
 222                 return -ENODEV;
 223         }
 224
 225         /* all devices are present, probe was successful */
 226
 227         /* we store the pointer in our private data field */
 228         dev->ext_priv = mxb;
 229
 230         return 0;
 231 }
 232
 233 /* some init data for the saa7740, the so-called 'sound arena module'.
 234    there are no specs available, so we simply use some init values */
 235 static struct {
 236         int     length;
 237         char    data[9];
 238 } mxb_saa7740_init[] = {
 239         { 3, { 0x80, 0x00, 0x00 } },{ 3, { 0x80, 0x89, 0x00 } },
 240         { 3, { 0x80, 0xb0, 0x0a } },{ 3, { 0x00, 0x00, 0x00 } },
 241         { 3, { 0x49, 0x00, 0x00 } },{ 3, { 0x4a, 0x00, 0x00 } },
 242         { 3, { 0x4b, 0x00, 0x00 } },{ 3, { 0x4c, 0x00, 0x00 } },
 243         { 3, { 0x4d, 0x00, 0x00 } },{ 3, { 0x4e, 0x00, 0x00 } },
 244         { 3, { 0x4f, 0x00, 0x00 } },{ 3, { 0x50, 0x00, 0x00 } },
 245         { 3, { 0x51, 0x00, 0x00 } },{ 3, { 0x52, 0x00, 0x00 } },
 246         { 3, { 0x53, 0x00, 0x00 } },{ 3, { 0x54, 0x00, 0x00 } },
 247         { 3, { 0x55, 0x00, 0x00 } },{ 3, { 0x56, 0x00, 0x00 } },
 248         { 3, { 0x57, 0x00, 0x00 } },{ 3, { 0x58, 0x00, 0x00 } },
 249         { 3, { 0x59, 0x00, 0x00 } },{ 3, { 0x5a, 0x00, 0x00 } },
 250         { 3, { 0x5b, 0x00, 0x00 } },{ 3, { 0x5c, 0x00, 0x00 } },
 251         { 3, { 0x5d, 0x00, 0x00 } },{ 3, { 0x5e, 0x00, 0x00 } },
 252         { 3, { 0x5f, 0x00, 0x00 } },{ 3, { 0x60, 0x00, 0x00 } },
 253         { 3, { 0x61, 0x00, 0x00 } },{ 3, { 0x62, 0x00, 0x00 } },
 254         { 3, { 0x63, 0x00, 0x00 } },{ 3, { 0x64, 0x00, 0x00 } },
 255         { 3, { 0x65, 0x00, 0x00 } },{ 3, { 0x66, 0x00, 0x00 } },
 256         { 3, { 0x67, 0x00, 0x00 } },{ 3, { 0x68, 0x00, 0x00 } },
 257         { 3, { 0x69, 0x00, 0x00 } },{ 3, { 0x6a, 0x00, 0x00 } },
 258         { 3, { 0x6b, 0x00, 0x00 } },{ 3, { 0x6c, 0x00, 0x00 } },
 259         { 3, { 0x6d, 0x00, 0x00 } },{ 3, { 0x6e, 0x00, 0x00 } },
 260         { 3, { 0x6f, 0x00, 0x00 } },{ 3, { 0x70, 0x00, 0x00 } },
 261         { 3, { 0x71, 0x00, 0x00 } },{ 3, { 0x72, 0x00, 0x00 } },
 262         { 3, { 0x73, 0x00, 0x00 } },{ 3, { 0x74, 0x00, 0x00 } },
 263         { 3, { 0x75, 0x00, 0x00 } },{ 3, { 0x76, 0x00, 0x00 } },
 264         { 3, { 0x77, 0x00, 0x00 } },{ 3, { 0x41, 0x00, 0x42 } },
 265         { 3, { 0x42, 0x10, 0x42 } },{ 3, { 0x43, 0x20, 0x42 } },
 266         { 3, { 0x44, 0x30, 0x42 } },{ 3, { 0x45, 0x00, 0x01 } },
 267         { 3, { 0x46, 0x00, 0x01 } },{ 3, { 0x47, 0x00, 0x01 } },
 268         { 3, { 0x48, 0x00, 0x01 } },
 269         { 9, { 0x01, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
 270         { 9, { 0x21, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
 271         { 9, { 0x09, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
 272         { 9, { 0x29, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
 273         { 9, { 0x11, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
 274         { 9, { 0x31, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
 275         { 9, { 0x19, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
 276         { 9, { 0x39, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
 277         { 9, { 0x05, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
 278         { 9, { 0x25, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
 279         { 9, { 0x0d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
 280         { 9, { 0x2d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
 281         { 9, { 0x15, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
 282         { 9, { 0x35, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
 283         { 9, { 0x1d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
 284         { 9, { 0x3d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
 285         { 3, { 0x80, 0xb3, 0x0a } },
 286         {-1, { 0} }
 287 };
 288
 289 static const unsigned char mxb_saa7111_init[] = {
 290         0x00, 0x00,       /* 00 - ID byte */
 291         0x01, 0x00,       /* 01 - reserved */
 292
 293         /*front end */
 294         0x02, 0xd8,       /* 02 - FUSE=x, GUDL=x, MODE=x */
 295         0x03, 0x23,       /* 03 - HLNRS=0, VBSL=1, WPOFF=0, HOLDG=0, GAFIX=0, GAI1=256, GAI2=256 */
 296         0x04, 0x00,       /* 04 - GAI1=256 */
 297         0x05, 0x00,       /* 05 - GAI2=256 */
 298
 299         /* decoder */
 300         0x06, 0xf0,       /* 06 - HSB at  xx(50Hz) /  xx(60Hz) pixels after end of last line */
 301         0x07, 0x30,       /* 07 - HSS at  xx(50Hz) /  xx(60Hz) pixels after end of last line */
 302         0x08, 0xa8,       /* 08 - AUFD=x, FSEL=x, EXFIL=x, VTRC=x, HPLL=x, VNOI=x */
 303         0x09, 0x02,       /* 09 - BYPS=x, PREF=x, BPSS=x, VBLB=x, UPTCV=x, APER=x */
 304         0x0a, 0x80,       /* 0a - BRIG=128 */
 305         0x0b, 0x47,       /* 0b - CONT=1.109 */
 306         0x0c, 0x40,       /* 0c - SATN=1.0 */
 307         0x0d, 0x00,       /* 0d - HUE=0 */
 308         0x0e, 0x01,       /* 0e - CDTO=0, CSTD=0, DCCF=0, FCTC=0, CHBW=1 */
 309         0x0f, 0x00,       /* 0f - reserved */
 310         0x10, 0xd0,       /* 10 - OFTS=x, HDEL=x, VRLN=x, YDEL=x */
 311         0x11, 0x8c,       /* 11 - GPSW=x, CM99=x, FECO=x, COMPO=x, OEYC=1, OEHV=1, VIPB=0, COLO=0 */
 312         0x12, 0x80,       /* 12 - xx output control 2 */
 313         0x13, 0x30,       /* 13 - xx output control 3 */
 314         0x14, 0x00,       /* 14 - reserved */
 315         0x15, 0x15,       /* 15 - VBI */
 316         0x16, 0x04,       /* 16 - VBI */
 317         0x17, 0x00,       /* 17 - VBI */
 318 };
 319
 320 /* bring hardware to a sane state. this has to be done, just in case someone
 321    wants to capture from this device before it has been properly initialized.
 322    the capture engine would badly fail, because no valid signal arrives on the
 323    saa7146, thus leading to timeouts and stuff. */
 324 static int mxb_init_done(struct saa7146_dev* dev)
 325 {
 326         struct mxb* mxb = (struct mxb*)dev->ext_priv;
 327         struct video_decoder_init init;
 328         struct i2c_msg msg;
 329         struct tuner_setup tun_setup;
 330
 331         int i = 0, err = 0;
 332         struct  tea6415c_multiplex vm;
 333
 334         /* select video mode in saa7111a */
 335         i = VIDEO_MODE_PAL;
 336         /* fixme: currently pointless: gets overwritten by configuration below */
 337         mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_NORM, &i);
 338
 339         /* write configuration to saa7111a */
 340         init.data = mxb_saa7111_init;
 341         init.len = sizeof(mxb_saa7111_init);
 342         mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_INIT, &init);
 343
 344         /* select tuner-output on saa7111a */
 345         i = 0;
 346         mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_INPUT, &i);
 347
 348         /* enable vbi bypass */
 349         i = 1;
 350         mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_VBI_BYPASS, &i);
 351
 352         /* select a tuner type */
 353         tun_setup.mode_mask = T_ANALOG_TV;
 354         tun_setup.addr = ADDR_UNSET;
 355         tun_setup.type = 5;
 356         mxb->tuner->driver->command(mxb->tuner,TUNER_SET_TYPE_ADDR, &tun_setup);
 357
 358         /* mute audio on tea6420s */
 359         mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[6][0]);
 360         mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[6][1]);
 361         mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_cd[6][0]);
 362         mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_cd[6][1]);
 363
 364         /* switch to tuner-channel on tea6415c*/
 365         vm.out = 17;
 366         vm.in  = 3;
 367         mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm);
 368
 369         /* select tuner-output on multicable on tea6415c*/
 370         vm.in  = 3;
 371         vm.out = 13;
 372         mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm);
 373
 374         /* tune in some frequency on tuner */
 375         mxb->tuner->driver->command(mxb->tuner, VIDIOCSFREQ, &freq);
 376
 377         /* the rest for mxb */
 378         mxb->cur_input = 0;
 379         mxb->cur_freq = freq;
 380         mxb->cur_mute = 1;
 381
 382         mxb->cur_mode = V4L2_TUNER_MODE_STEREO;
 383         mxb->tda9840->driver->command(mxb->tda9840, TDA9840_SWITCH, &mxb->cur_mode);
 384
 385         /* check if the saa7740 (aka 'sound arena module') is present
 386            on the mxb. if so, we must initialize it. due to lack of
 387            informations about the saa7740, the values were reverse
 388            engineered. */
 389         msg.addr = 0x1b;
 390         msg.flags = 0;
 391         msg.len = mxb_saa7740_init[0].length;
 392         msg.buf = &mxb_saa7740_init[0].data[0];
 393
 394         if( 1 == (err = i2c_transfer(&mxb->i2c_adapter, &msg, 1))) {
 395                 /* the sound arena module is a pos, that's probably the reason
 396                    philips refuses to hand out a datasheet for the saa7740...
 397                    it seems to screw up the i2c bus, so we disable fast irq
 398                    based i2c transactions here and rely on the slow and safe
 399                    polling method ... */
 400                 extension.flags &= ~SAA7146_USE_I2C_IRQ;
 401                 for(i = 1;;i++) {
 402                         if( -1 == mxb_saa7740_init[i].length ) {
 403                                 break;
 404                         }
 405
 406                         msg.len = mxb_saa7740_init[i].length;
 407                         msg.buf = &mxb_saa7740_init[i].data[0];
 408                         if( 1 != (err = i2c_transfer(&mxb->i2c_adapter, &msg, 1))) {
 409                                 DEB_D(("failed to initialize 'sound arena module'.\n"));
 410                                 goto err;
 411                         }
 412                 }
 413                 INFO(("'sound arena module' detected.\n"));
 414         }
 415 err:
 416         /* the rest for saa7146: you should definitely set some basic values
 417            for the input-port handling of the saa7146. */
 418
 419         /* ext->saa has been filled by the core driver */
 420
 421         /* some stuff is done via variables */
 422         saa7146_set_hps_source_and_sync(dev, input_port_selection[mxb->cur_input].hps_source, input_port_selection[mxb->cur_input].hps_sync);
 423
 424         /* some stuff is done via direct write to the registers */
 425
 426         /* this is ugly, but because of the fact that this is completely
 427            hardware dependend, it should be done directly... */
 428         saa7146_write(dev, DD1_STREAM_B,        0x00000000);
 429         saa7146_write(dev, DD1_INIT,            0x02000200);
 430         saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
 431
 432         return 0;
 433 }
 434
 435 /* interrupt-handler. this gets called when irq_mask is != 0.
 436    it must clear the interrupt-bits in irq_mask it has handled */
 437 /*
 438 void mxb_irq_bh(struct saa7146_dev* dev, u32* irq_mask)
 439 {
 440         struct mxb* mxb = (struct mxb*)dev->ext_priv;
 441 }
 442 */
 443
 444 static struct saa7146_ext_vv vv_data;
 445
 446 /* this function only gets called when the probing was successful */
 447 static int mxb_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_data *info)
 448 {
 449         struct mxb* mxb = (struct mxb*)dev->ext_priv;
 450
 451         DEB_EE(("dev:%p\n",dev));
 452
 453         /* checking for i2c-devices can be omitted here, because we
 454            already did this in "mxb_vl42_probe" */
 455
 456         saa7146_vv_init(dev,&vv_data);
 457         if( 0 != saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) {
 458                 ERR(("cannot register capture v4l2 device. skipping.\n"));
 459                 return -1;
 460         }
 461
 462         /* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/
 463         if( 0 != MXB_BOARD_CAN_DO_VBI(dev)) {
 464                 if( 0 != saa7146_register_device(&mxb->vbi_dev, dev, "mxb", VFL_TYPE_VBI)) {
 465                         ERR(("cannot register vbi v4l2 device. skipping.\n"));
 466                 }
 467         }
 468
 469         i2c_use_client(mxb->tea6420_1);
 470         i2c_use_client(mxb->tea6420_2);
 471         i2c_use_client(mxb->tea6415c);
 472         i2c_use_client(mxb->tda9840);
 473         i2c_use_client(mxb->saa7111a);
 474         i2c_use_client(mxb->tuner);
 475
 476         printk("mxb: found 'Multimedia eXtension Board'-%d.\n",mxb_num);
 477
 478         mxb_num++;
 479         mxb_init_done(dev);
 480         return 0;
 481 }
 482
 483 static int mxb_detach(struct saa7146_dev* dev)
 484 {
 485         struct mxb* mxb = (struct mxb*)dev->ext_priv;
 486
 487         DEB_EE(("dev:%p\n",dev));
 488
 489         i2c_release_client(mxb->tea6420_1);
 490         i2c_release_client(mxb->tea6420_2);
 491         i2c_release_client(mxb->tea6415c);
 492         i2c_release_client(mxb->tda9840);
 493         i2c_release_client(mxb->saa7111a);
 494         i2c_release_client(mxb->tuner);
 495
 496         saa7146_unregister_device(&mxb->video_dev,dev);
 497         if( 0 != MXB_BOARD_CAN_DO_VBI(dev)) {
 498                 saa7146_unregister_device(&mxb->vbi_dev,dev);
 499         }
 500         saa7146_vv_release(dev);
 501
 502         mxb_num--;
 503
 504         i2c_del_adapter(&mxb->i2c_adapter);
 505         kfree(mxb);
 506
 507         return 0;
 508 }
 509
 510 static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
 511 {
 512         struct saa7146_dev *dev = fh->dev;
 513         struct mxb* mxb = (struct mxb*)dev->ext_priv;
 514         struct saa7146_vv *vv = dev->vv_data;
 515
 516         switch(cmd) {
 517         case VIDIOC_ENUMINPUT:
 518         {
 519                 struct v4l2_input *i = arg;
 520
 521                 DEB_EE(("VIDIOC_ENUMINPUT %d.\n",i->index));
 522                 if( i->index < 0 || i->index >= MXB_INPUTS) {
 523                         return -EINVAL;
 524                 }
 525                 memcpy(i, &mxb_inputs[i->index], sizeof(struct v4l2_input));
 526
 527                 return 0;
 528         }
 529         /* the saa7146 provides some controls (brightness, contrast, saturation)
 530            which gets registered *after* this function. because of this we have
 531            to return with a value != 0 even if the function succeded.. */
 532         case VIDIOC_QUERYCTRL:
 533         {
 534                 struct v4l2_queryctrl *qc = arg;
 535                 int i;
 536
 537                 for (i = MAXCONTROLS - 1; i >= 0; i--) {
 538                         if (mxb_controls[i].id == qc->id) {
 539                                 *qc = mxb_controls[i];
 540                                 DEB_D(("VIDIOC_QUERYCTRL %d.\n",qc->id));
 541                                 return 0;
 542                         }
 543                 }
 544                 return -EAGAIN;
 545         }
 546         case VIDIOC_G_CTRL:
 547         {
 548                 struct v4l2_control *vc = arg;
 549                 int i;
 550
 551                 for (i = MAXCONTROLS - 1; i >= 0; i--) {
 552                         if (mxb_controls[i].id == vc->id) {
 553                                 break;
 554                         }
 555                 }
 556
 557                 if( i < 0 ) {
 558                         return -EAGAIN;
 559                 }
 560
 561                 switch (vc->id ) {
 562                         case V4L2_CID_AUDIO_MUTE: {
 563                                 vc->value = mxb->cur_mute;
 564                                 DEB_D(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n",vc->value));
 565                                 return 0;
 566                         }
 567                 }
 568
 569                 DEB_EE(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n",vc->value));
 570                 return 0;
 571         }
 572
 573         case VIDIOC_S_CTRL:
 574         {
 575                 struct  v4l2_control    *vc = arg;
 576                 int i = 0;
 577
 578                 for (i = MAXCONTROLS - 1; i >= 0; i--) {
 579                         if (mxb_controls[i].id == vc->id) {
 580                                 break;
 581                         }
 582                 }
 583
 584                 if( i < 0 ) {
 585                         return -EAGAIN;
 586                 }
 587
 588                 switch (vc->id ) {
 589                         case V4L2_CID_AUDIO_MUTE: {
 590                                 mxb->cur_mute = vc->value;
 591                                 if( 0 == vc->value ) {
 592                                         /* switch the audio-source */
 593                                         mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[mxb->cur_input]][0]);
 594                                         mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[mxb->cur_input]][1]);
 595                                 } else {
 596                                         mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[6][0]);
 597                                         mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[6][1]);
 598                                 }
 599                                 DEB_EE(("VIDIOC_S_CTRL, V4L2_CID_AUDIO_MUTE: %d.\n",vc->value));
 600                                 break;
 601                         }
 602                 }
 603                 return 0;
 604         }
 605         case VIDIOC_G_INPUT:
 606         {
 607                 int *input = (int *)arg;
 608                 *input = mxb->cur_input;
 609
 610                 DEB_EE(("VIDIOC_G_INPUT %d.\n",*input));
 611                 return 0;
 612         }
 613         case VIDIOC_S_INPUT:
 614         {
 615                 int input = *(int *)arg;
 616                 struct  tea6415c_multiplex vm;
 617                 int i = 0;
 618
 619                 DEB_EE(("VIDIOC_S_INPUT %d.\n",input));
 620
 621                 if (input < 0 || input >= MXB_INPUTS) {
 622                         return -EINVAL;
 623                 }
 624
 625                 /* fixme: locke das setzen des inputs mit hilfe des mutexes
 626                 down(&dev->lock);
 627                 video_mux(dev,*i);
 628                 up(&dev->lock);
 629                 */
 630
 631                 /* fixme: check if streaming capture
 632                 if ( 0 != dev->streaming ) {
 633                         DEB_D(("VIDIOC_S_INPUT illegal while streaming.\n"));
 634                         return -EPERM;
 635                 }
 636                 */
 637
 638                 mxb->cur_input = input;
 639
 640                 saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source, input_port_selection[input].hps_sync);
 641
 642                 /* prepare switching of tea6415c and saa7111a;
 643                    have a look at the 'background'-file for further informations  */
 644                 switch( input ) {
 645
 646                         case TUNER:
 647                         {
 648                                 i = 0;
 649                                 vm.in  = 3;
 650                                 vm.out = 17;
 651
 652                         if ( 0 != mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm)) {
 653                                         printk("VIDIOC_S_INPUT: could not address tea6415c #1\n");
 654                                         return -EFAULT;
 655                                 }
 656                                 /* connect tuner-output always to multicable */
 657                                 vm.in  = 3;
 658                                 vm.out = 13;
 659                                 break;
 660                         }
 661                         case AUX3_YC:
 662                         {
 663                                 /* nothing to be done here. aux3_yc is
 664                                    directly connected to the saa711a */
 665                                 i = 5;
 666                                 break;
 667                         }
 668                         case AUX3:
 669                         {
 670                                 /* nothing to be done here. aux3 is
 671                                    directly connected to the saa711a */
 672                                 i = 1;
 673                                 break;
 674                         }
 675                         case AUX1:
 676                         {
 677                                 i = 0;
 678                                 vm.in  = 1;
 679                                 vm.out = 17;
 680                                 break;
 681                         }
 682                 }
 683
 684                 /* switch video in tea6415c only if necessary */
 685                 switch( input ) {
 686                         case TUNER:
 687                         case AUX1:
 688                         {
 689                                 if ( 0 != mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm)) {
 690                                         printk("VIDIOC_S_INPUT: could not address tea6415c #3\n");
 691                                         return -EFAULT;
 692                                 }
 693                                 break;
 694                         }
 695                         default:
 696                         {
 697                                 break;
 698                         }
 699                 }
 700
 701                 /* switch video in saa7111a */
 702                 if ( 0 != mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_INPUT, &i)) {
 703                         printk("VIDIOC_S_INPUT: could not address saa7111a #1.\n");
 704                 }
 705
 706                 /* switch the audio-source only if necessary */
 707                 if( 0 == mxb->cur_mute ) {
 708                         mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[input]][0]);
 709                         mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[input]][1]);
 710                 }
 711
 712                 return 0;
 713         }
 714         case VIDIOC_G_TUNER:
 715         {
 716                 struct v4l2_tuner *t = arg;
 717                 int byte = 0;
 718
 719                 if( 0 != t->index ) {
 720                         DEB_D(("VIDIOC_G_TUNER: channel %d does not have a tuner attached.\n", t->index));
 721                         return -EINVAL;
 722                 }
 723
 724                 DEB_EE(("VIDIOC_G_TUNER: %d\n", t->index));
 725
 726                 memset(t,0,sizeof(*t));
 727                 strcpy(t->name, "Television");
 728
 729                 t->type = V4L2_TUNER_ANALOG_TV;
 730                 t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
 731                 t->rangelow = 772;      /* 48.25 MHZ / 62.5 kHz = 772, see fi1216mk2-specs, page 2 */
 732                 t->rangehigh = 13684;   /* 855.25 MHz / 62.5 kHz = 13684 */
 733                 /* FIXME: add the real signal strength here */
 734                 t->signal = 0xffff;
 735                 t->afc = 0;
 736
 737                 mxb->tda9840->driver->command(mxb->tda9840,TDA9840_DETECT, &byte);
 738                 t->audmode = mxb->cur_mode;
 739
 740                 if( byte < 0 ) {
 741                         t->rxsubchans  = V4L2_TUNER_SUB_MONO;
 742                 } else {
 743                         switch(byte) {
 744                                 case TDA9840_MONO_DETECT: {
 745                                         t->rxsubchans   = V4L2_TUNER_SUB_MONO;
 746                                         DEB_D(("VIDIOC_G_TUNER: V4L2_TUNER_MODE_MONO.\n"));
 747                                         break;
 748                                 }
 749                                 case TDA9840_DUAL_DETECT: {
 750                                         t->rxsubchans   = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
 751                                         DEB_D(("VIDIOC_G_TUNER: V4L2_TUNER_MODE_LANG1.\n"));
 752                                         break;
 753                                 }
 754                                 case TDA9840_STEREO_DETECT: {
 755                                         t->rxsubchans   = V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_MONO;
 756                                         DEB_D(("VIDIOC_G_TUNER: V4L2_TUNER_MODE_STEREO.\n"));
 757                                         break;
 758                                 }
 759                                 default: { /* TDA9840_INCORRECT_DETECT */
 760                                         t->rxsubchans   = V4L2_TUNER_MODE_MONO;
 761                                         DEB_D(("VIDIOC_G_TUNER: TDA9840_INCORRECT_DETECT => V4L2_TUNER_MODE_MONO\n"));
 762                                         break;
 763                                 }
 764                         }
 765                 }
 766
 767                 return 0;
 768         }
 769         case VIDIOC_S_TUNER:
 770         {
 771                 struct v4l2_tuner *t = arg;
 772                 int result = 0;
 773                 int byte = 0;
 774
 775                 if( 0 != t->index ) {
 776                         DEB_D(("VIDIOC_S_TUNER: channel %d does not have a tuner attached.\n",t->index));
 777                         return -EINVAL;
 778                 }
 779
 780                 switch(t->audmode) {
 781                         case V4L2_TUNER_MODE_STEREO: {
 782                                 mxb->cur_mode = V4L2_TUNER_MODE_STEREO;
 783                                 byte = TDA9840_SET_STEREO;
 784                                 DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_STEREO\n"));
 785                                 break;
 786                         }
 787                         case V4L2_TUNER_MODE_LANG1: {
 788                                 mxb->cur_mode = V4L2_TUNER_MODE_LANG1;
 789                                 byte = TDA9840_SET_LANG1;
 790                                 DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_LANG1\n"));
 791                                 break;
 792                         }
 793                         case V4L2_TUNER_MODE_LANG2: {
 794                                 mxb->cur_mode = V4L2_TUNER_MODE_LANG2;
 795                                 byte = TDA9840_SET_LANG2;
 796                                 DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_LANG2\n"));
 797                                 break;
 798                         }
 799                         default: { /* case V4L2_TUNER_MODE_MONO: {*/
 800                                 mxb->cur_mode = V4L2_TUNER_MODE_MONO;
 801                                 byte = TDA9840_SET_MONO;
 802                                 DEB_D(("VIDIOC_S_TUNER: TDA9840_SET_MONO\n"));
 803                                 break;
 804                         }
 805                 }
 806
 807                 if( 0 != (result = mxb->tda9840->driver->command(mxb->tda9840, TDA9840_SWITCH, &byte))) {
 808                         printk("VIDIOC_S_TUNER error. result:%d, byte:%d\n",result,byte);
 809                 }
 810
 811                 return 0;
 812         }
 813         case VIDIOC_G_FREQUENCY:
 814         {
 815                 struct v4l2_frequency *f = arg;
 816
 817                 if(0 != mxb->cur_input) {
 818                         DEB_D(("VIDIOC_G_FREQ: channel %d does not have a tuner!\n",mxb->cur_input));
 819                         return -EINVAL;
 820                 }
 821
 822                 memset(f,0,sizeof(*f));
 823                 f->type = V4L2_TUNER_ANALOG_TV;
 824                 f->frequency =  mxb->cur_freq;
 825
 826                 DEB_EE(("VIDIOC_G_FREQ: freq:0x%08x.\n", mxb->cur_freq));
 827                 return 0;
 828         }
 829         case VIDIOC_S_FREQUENCY:
 830         {
 831                 struct v4l2_frequency *f = arg;
 832                 int t_locked = 0;
 833                 int v_byte = 0;
 834
 835                 if (0 != f->tuner)
 836                         return -EINVAL;
 837
 838                 if (V4L2_TUNER_ANALOG_TV != f->type)
 839                         return -EINVAL;
 840
 841                 if(0 != mxb->cur_input) {
 842                         DEB_D(("VIDIOC_S_FREQ: channel %d does not have a tuner!\n",mxb->cur_input));
 843                         return -EINVAL;
 844                 }
 845
 846                 DEB_EE(("VIDIOC_S_FREQUENCY: freq:0x%08x.\n",f->frequency));
 847
 848                 mxb->cur_freq = f->frequency;
 849
 850                 /* tune in desired frequency */
 851                 mxb->tuner->driver->command(mxb->tuner, VIDIOCSFREQ, &mxb->cur_freq);
 852
 853                 /* check if pll of tuner & saa7111a is locked */
 854 //              mxb->tuner->driver->command(mxb->tuner,TUNER_IS_LOCKED, &t_locked);
 855                 mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_GET_STATUS, &v_byte);
 856
 857                 /* not locked -- anything to do here ? */
 858                 if( 0 == t_locked || 0 == (v_byte & DECODER_STATUS_GOOD)) {
 859                 }
 860
 861                 /* hack: changing the frequency should invalidate the vbi-counter (=> alevt) */
 862                 spin_lock(&dev->slock);
 863                 vv->vbi_fieldcount = 0;
 864                 spin_unlock(&dev->slock);
 865
 866                 return 0;
 867         }
 868         case MXB_S_AUDIO_CD:
 869         {
 870                 int i = *(int*)arg;
 871
 872                 if( i < 0 || i >= MXB_AUDIOS ) {
 873                         DEB_D(("illegal argument to MXB_S_AUDIO_CD: i:%d.\n",i));
 874                         return -EINVAL;
 875                 }
 876
 877                 DEB_EE(("MXB_S_AUDIO_CD: i:%d.\n",i));
 878
 879                 mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_cd[i][0]);
 880                 mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_cd[i][1]);
 881
 882                 return 0;
 883         }
 884         case MXB_S_AUDIO_LINE:
 885         {
 886                 int i = *(int*)arg;
 887
 888                 if( i < 0 || i >= MXB_AUDIOS ) {
 889                         DEB_D(("illegal argument to MXB_S_AUDIO_LINE: i:%d.\n",i));
 890                         return -EINVAL;
 891                 }
 892
 893                 DEB_EE(("MXB_S_AUDIO_LINE: i:%d.\n",i));
 894                 mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[i][0]);
 895                 mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[i][1]);
 896
 897                 return 0;
 898         }
 899         case VIDIOC_G_AUDIO:
 900         {
 901                 struct v4l2_audio *a = arg;
 902
 903                 if( a->index < 0 || a->index > MXB_INPUTS ) {
 904                         DEB_D(("VIDIOC_G_AUDIO %d out of range.\n",a->index));
 905                         return -EINVAL;
 906                 }
 907
 908                 DEB_EE(("VIDIOC_G_AUDIO %d.\n",a->index));
 909                 memcpy(a, &mxb_audios[video_audio_connect[mxb->cur_input]], sizeof(struct v4l2_audio));
 910
 911                 return 0;
 912         }
 913         case VIDIOC_S_AUDIO:
 914         {
 915                 struct v4l2_audio *a = arg;
 916                 DEB_D(("VIDIOC_S_AUDIO %d.\n",a->index));
 917                 return 0;
 918         }
 919         default:
 920 /*
 921                 DEB2(printk("does not handle this ioctl.\n"));
 922 */
 923                 return -ENOIOCTLCMD;
 924         }
 925         return 0;
 926 }
 927
 928 static int std_callback(struct saa7146_dev* dev, struct saa7146_standard *std)
 929 {
 930         struct mxb* mxb = (struct mxb*)dev->ext_priv;
 931         int zero = 0;
 932         int one = 1;
 933
 934         if(V4L2_STD_PAL_I == std->id ) {
 935                 DEB_D(("VIDIOC_S_STD: setting mxb for PAL_I.\n"));
 936                 /* set the 7146 gpio register -- I don't know what this does exactly */
 937                 saa7146_write(dev, GPIO_CTRL, 0x00404050);
 938                 /* unset the 7111 gpio register -- I don't know what this does exactly */
 939                 mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_GPIO, &zero);
 940         } else {
 941                 DEB_D(("VIDIOC_S_STD: setting mxb for PAL/NTSC/SECAM.\n"));
 942                 /* set the 7146 gpio register -- I don't know what this does exactly */
 943                 saa7146_write(dev, GPIO_CTRL, 0x00404050);
 944                 /* set the 7111 gpio register -- I don't know what this does exactly */
 945                 mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_GPIO, &one);
 946         }
 947         return 0;
 948 }
 949
 950 static struct saa7146_standard standard[] = {
 951         {
 952                 .name   = "PAL-BG",     .id     = V4L2_STD_PAL_BG,
 953                 .v_offset       = 0x17, .v_field        = 288,
 954                 .h_offset       = 0x14, .h_pixels       = 680,
 955                 .v_max_out      = 576,  .h_max_out      = 768,
 956         }, {
 957                 .name   = "PAL-I",      .id     = V4L2_STD_PAL_I,
 958                 .v_offset       = 0x17, .v_field        = 288,
 959                 .h_offset       = 0x14, .h_pixels       = 680,
 960                 .v_max_out      = 576,  .h_max_out      = 768,
 961         }, {
 962                 .name   = "NTSC",       .id     = V4L2_STD_NTSC,
 963                 .v_offset       = 0x16, .v_field        = 240,
 964                 .h_offset       = 0x06, .h_pixels       = 708,
 965                 .v_max_out      = 480,  .h_max_out      = 640,
 966         }, {
 967                 .name   = "SECAM",      .id     = V4L2_STD_SECAM,
 968                 .v_offset       = 0x14, .v_field        = 288,
 969                 .h_offset       = 0x14, .h_pixels       = 720,
 970                 .v_max_out      = 576,  .h_max_out      = 768,
 971         }
 972 };
 973
 974 static struct saa7146_pci_extension_data mxb = {
 975         .ext_priv = "Multimedia eXtension Board",
 976         .ext = &extension,
 977 };
 978
 979 static struct pci_device_id pci_tbl[] = {
 980         {
 981                 .vendor    = PCI_VENDOR_ID_PHILIPS,
 982                 .device    = PCI_DEVICE_ID_PHILIPS_SAA7146,
 983                 .subvendor = 0x0000,
 984                 .subdevice = 0x0000,
 985                 .driver_data = (unsigned long)&mxb,
 986         }, {
 987                 .vendor = 0,
 988         }
 989 };
 990
 991 MODULE_DEVICE_TABLE(pci, pci_tbl);
 992
 993 static struct saa7146_ext_vv vv_data = {
 994         .inputs         = MXB_INPUTS,
 995         .capabilities   = V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE,
 996         .stds           = &standard[0],
 997         .num_stds       = sizeof(standard)/sizeof(struct saa7146_standard),
 998         .std_callback   = &std_callback,
 999         .ioctls         = &ioctls[0],
1000         .ioctl          = mxb_ioctl,
1001 };
1002
1003 static struct saa7146_extension extension = {
1004         .name           = MXB_IDENTIFIER,
1005         .flags          = SAA7146_USE_I2C_IRQ,
1006
1007         .pci_tbl        = &pci_tbl[0],
1008         .module         = THIS_MODULE,
1009
1010         .probe          = mxb_probe,
1011         .attach         = mxb_attach,
1012         .detach         = mxb_detach,
1013
1014         .irq_mask       = 0,
1015         .irq_func       = NULL,
1016 };
1017
1018 static int __init mxb_init_module(void)
1019 {
1020         if( 0 != saa7146_register_extension(&extension)) {
1021                 DEB_S(("failed to register extension.\n"));
1022                 return -ENODEV;
1023         }
1024
1025         return 0;
1026 }
1027
1028 static void __exit mxb_cleanup_module(void)
1029 {
1030         saa7146_unregister_extension(&extension);
1031 }
1032
1033 module_init(mxb_init_module);
1034 module_exit(mxb_cleanup_module);
1035
1036 MODULE_DESCRIPTION("video4linux-2 driver for the Siemens-Nixdorf 'Multimedia eXtension board'");
1037 MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
1038 MODULE_LICENSE("GPL");