git.oblomov.eu Git - linux-2.6/blob - drivers/media/video/mxb.c

   1 /*
   2     mxb - v4l2 driver for the Multimedia eXtension Board
   3
   4     Copyright (C) 1998-2006 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 #include <media/v4l2-common.h>
  30
  31 #include "mxb.h"
  32 #include "tea6415c.h"
  33 #include "tea6420.h"
  34 #include "tda9840.h"
  35
  36 #define I2C_SAA7111 0x24
  37
  38 #define MXB_BOARD_CAN_DO_VBI(dev)   (dev->revision != 0)
  39
  40 /* global variable */
  41 static int mxb_num = 0;
  42
  43 /* initial frequence the tuner will be tuned to.
  44    in verden (lower saxony, germany) 4148 is a
  45    channel called "phoenix" */
  46 static int freq = 4148;
  47 module_param(freq, int, 0644);
  48 MODULE_PARM_DESC(freq, "initial frequency the tuner will be tuned to while setup");
  49
  50 static int debug = 0;
  51 module_param(debug, int, 0644);
  52 MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off).");
  53
  54 #define MXB_INPUTS 4
  55 enum { TUNER, AUX1, AUX3, AUX3_YC };
  56
  57 static struct v4l2_input mxb_inputs[MXB_INPUTS] = {
  58         { TUNER,        "Tuner",                V4L2_INPUT_TYPE_TUNER,  1, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
  59         { AUX1,         "AUX1",                 V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
  60         { AUX3,         "AUX3 Composite",       V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
  61         { AUX3_YC,      "AUX3 S-Video",         V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
  62 };
  63
  64 /* this array holds the information, which port of the saa7146 each
  65    input actually uses. the mxb uses port 0 for every input */
  66 static struct {
  67         int hps_source;
  68         int hps_sync;
  69 } input_port_selection[MXB_INPUTS] = {
  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         { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
  74 };
  75
  76 /* this array holds the information of the audio source (mxb_audios),
  77    which has to be switched corresponding to the video source (mxb_channels) */
  78 static int video_audio_connect[MXB_INPUTS] =
  79         { 0, 1, 3, 3 };
  80
  81 /* these are the necessary input-output-pins for bringing one audio source
  82 (see above) to the CD-output */
  83 static struct tea6420_multiplex TEA6420_cd[MXB_AUDIOS+1][2] =
  84                 {
  85                 {{1,1,0},{1,1,0}},      /* Tuner */
  86                 {{5,1,0},{6,1,0}},      /* AUX 1 */
  87                 {{4,1,0},{6,1,0}},      /* AUX 2 */
  88                 {{3,1,0},{6,1,0}},      /* AUX 3 */
  89                 {{1,1,0},{3,1,0}},      /* Radio */
  90                 {{1,1,0},{2,1,0}},      /* CD-Rom */
  91                 {{6,1,0},{6,1,0}}       /* Mute */
  92                 };
  93
  94 /* these are the necessary input-output-pins for bringing one audio source
  95 (see above) to the line-output */
  96 static struct tea6420_multiplex TEA6420_line[MXB_AUDIOS+1][2] =
  97                 {
  98                 {{2,3,0},{1,2,0}},
  99                 {{5,3,0},{6,2,0}},
 100                 {{4,3,0},{6,2,0}},
 101                 {{3,3,0},{6,2,0}},
 102                 {{2,3,0},{3,2,0}},
 103                 {{2,3,0},{2,2,0}},
 104                 {{6,3,0},{6,2,0}}       /* Mute */
 105                 };
 106
 107 #define MAXCONTROLS     1
 108 static struct v4l2_queryctrl mxb_controls[] = {
 109         { V4L2_CID_AUDIO_MUTE, V4L2_CTRL_TYPE_BOOLEAN, "Mute", 0, 1, 1, 0, 0 },
 110 };
 111
 112 static struct saa7146_extension_ioctls ioctls[] = {
 113         { VIDIOC_ENUMINPUT,     SAA7146_EXCLUSIVE },
 114         { VIDIOC_G_INPUT,       SAA7146_EXCLUSIVE },
 115         { VIDIOC_S_INPUT,       SAA7146_EXCLUSIVE },
 116         { VIDIOC_QUERYCTRL,     SAA7146_BEFORE },
 117         { VIDIOC_G_CTRL,        SAA7146_BEFORE },
 118         { VIDIOC_S_CTRL,        SAA7146_BEFORE },
 119         { VIDIOC_G_TUNER,       SAA7146_EXCLUSIVE },
 120         { VIDIOC_S_TUNER,       SAA7146_EXCLUSIVE },
 121         { VIDIOC_G_FREQUENCY,   SAA7146_EXCLUSIVE },
 122         { VIDIOC_S_FREQUENCY,   SAA7146_EXCLUSIVE },
 123         { VIDIOC_G_AUDIO,       SAA7146_EXCLUSIVE },
 124         { VIDIOC_S_AUDIO,       SAA7146_EXCLUSIVE },
 125         { MXB_S_AUDIO_CD,       SAA7146_EXCLUSIVE },    /* custom control */
 126         { MXB_S_AUDIO_LINE,     SAA7146_EXCLUSIVE },    /* custom control */
 127         { 0,                    0 }
 128 };
 129
 130 struct mxb
 131 {
 132         struct video_device     *video_dev;
 133         struct video_device     *vbi_dev;
 134
 135         struct i2c_adapter      i2c_adapter;
 136
 137         struct i2c_client*      saa7111a;
 138         struct i2c_client*      tda9840;
 139         struct i2c_client*      tea6415c;
 140         struct i2c_client*      tuner;
 141         struct i2c_client*      tea6420_1;
 142         struct i2c_client*      tea6420_2;
 143
 144         int     cur_mode;       /* current audio mode (mono, stereo, ...) */
 145         int     cur_input;      /* current input */
 146         int     cur_mute;       /* current mute status */
 147         struct v4l2_frequency   cur_freq;       /* current frequency the tuner is tuned to */
 148 };
 149
 150 static struct saa7146_extension extension;
 151
 152 static int mxb_probe(struct saa7146_dev* dev)
 153 {
 154         struct mxb* mxb = NULL;
 155         struct i2c_client *client;
 156         struct list_head *item;
 157         int result;
 158
 159         if ((result = request_module("saa7111")) < 0) {
 160                 printk("mxb: saa7111 i2c module not available.\n");
 161                 return -ENODEV;
 162         }
 163         if ((result = request_module("tuner")) < 0) {
 164                 printk("mxb: tuner i2c module not available.\n");
 165                 return -ENODEV;
 166         }
 167         if ((result = request_module("tea6420")) < 0) {
 168                 printk("mxb: tea6420 i2c module not available.\n");
 169                 return -ENODEV;
 170         }
 171         if ((result = request_module("tea6415c")) < 0) {
 172                 printk("mxb: tea6415c i2c module not available.\n");
 173                 return -ENODEV;
 174         }
 175         if ((result = request_module("tda9840")) < 0) {
 176                 printk("mxb: tda9840 i2c module not available.\n");
 177                 return -ENODEV;
 178         }
 179
 180         mxb = kzalloc(sizeof(struct mxb), GFP_KERNEL);
 181         if( NULL == mxb ) {
 182                 DEB_D(("not enough kernel memory.\n"));
 183                 return -ENOMEM;
 184         }
 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         v4l2_std_id std = V4L2_STD_PAL_BG;
 331
 332         int i = 0, err = 0;
 333         struct  tea6415c_multiplex vm;
 334
 335         /* select video mode in saa7111a */
 336         i = VIDEO_MODE_PAL;
 337         /* fixme: currently pointless: gets overwritten by configuration below */
 338         mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_NORM, &i);
 339
 340         /* write configuration to saa7111a */
 341         init.data = mxb_saa7111_init;
 342         init.len = sizeof(mxb_saa7111_init);
 343         mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_INIT, &init);
 344
 345         /* select tuner-output on saa7111a */
 346         i = 0;
 347         mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_INPUT, &i);
 348
 349         /* enable vbi bypass */
 350         i = 1;
 351         mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_VBI_BYPASS, &i);
 352
 353         /* select a tuner type */
 354         tun_setup.mode_mask = T_ANALOG_TV;
 355         tun_setup.addr = ADDR_UNSET;
 356         tun_setup.type = TUNER_PHILIPS_PAL;
 357         mxb->tuner->driver->command(mxb->tuner,TUNER_SET_TYPE_ADDR, &tun_setup);
 358         /* tune in some frequency on tuner */
 359         mxb->cur_freq.tuner = 0;
 360         mxb->cur_freq.type = V4L2_TUNER_ANALOG_TV;
 361         mxb->cur_freq.frequency = freq;
 362         mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_FREQUENCY,
 363                                         &mxb->cur_freq);
 364
 365         /* set a default video standard */
 366         mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_STD, &std);
 367
 368         /* mute audio on tea6420s */
 369         mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[6][0]);
 370         mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[6][1]);
 371         mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_cd[6][0]);
 372         mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_cd[6][1]);
 373
 374         /* switch to tuner-channel on tea6415c*/
 375         vm.out = 17;
 376         vm.in  = 3;
 377         mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm);
 378
 379         /* select tuner-output on multicable on tea6415c*/
 380         vm.in  = 3;
 381         vm.out = 13;
 382         mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm);
 383
 384         /* the rest for mxb */
 385         mxb->cur_input = 0;
 386         mxb->cur_mute = 1;
 387
 388         mxb->cur_mode = V4L2_TUNER_MODE_STEREO;
 389         mxb->tda9840->driver->command(mxb->tda9840, TDA9840_SWITCH, &mxb->cur_mode);
 390
 391         /* check if the saa7740 (aka 'sound arena module') is present
 392            on the mxb. if so, we must initialize it. due to lack of
 393            informations about the saa7740, the values were reverse
 394            engineered. */
 395         msg.addr = 0x1b;
 396         msg.flags = 0;
 397         msg.len = mxb_saa7740_init[0].length;
 398         msg.buf = &mxb_saa7740_init[0].data[0];
 399
 400         if( 1 == (err = i2c_transfer(&mxb->i2c_adapter, &msg, 1))) {
 401                 /* the sound arena module is a pos, that's probably the reason
 402                    philips refuses to hand out a datasheet for the saa7740...
 403                    it seems to screw up the i2c bus, so we disable fast irq
 404                    based i2c transactions here and rely on the slow and safe
 405                    polling method ... */
 406                 extension.flags &= ~SAA7146_USE_I2C_IRQ;
 407                 for(i = 1;;i++) {
 408                         if( -1 == mxb_saa7740_init[i].length ) {
 409                                 break;
 410                         }
 411
 412                         msg.len = mxb_saa7740_init[i].length;
 413                         msg.buf = &mxb_saa7740_init[i].data[0];
 414                         if( 1 != (err = i2c_transfer(&mxb->i2c_adapter, &msg, 1))) {
 415                                 DEB_D(("failed to initialize 'sound arena module'.\n"));
 416                                 goto err;
 417                         }
 418                 }
 419                 INFO(("'sound arena module' detected.\n"));
 420         }
 421 err:
 422         /* the rest for saa7146: you should definitely set some basic values
 423            for the input-port handling of the saa7146. */
 424
 425         /* ext->saa has been filled by the core driver */
 426
 427         /* some stuff is done via variables */
 428         saa7146_set_hps_source_and_sync(dev, input_port_selection[mxb->cur_input].hps_source, input_port_selection[mxb->cur_input].hps_sync);
 429
 430         /* some stuff is done via direct write to the registers */
 431
 432         /* this is ugly, but because of the fact that this is completely
 433            hardware dependend, it should be done directly... */
 434         saa7146_write(dev, DD1_STREAM_B,        0x00000000);
 435         saa7146_write(dev, DD1_INIT,            0x02000200);
 436         saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
 437
 438         return 0;
 439 }
 440
 441 /* interrupt-handler. this gets called when irq_mask is != 0.
 442    it must clear the interrupt-bits in irq_mask it has handled */
 443 /*
 444 void mxb_irq_bh(struct saa7146_dev* dev, u32* irq_mask)
 445 {
 446         struct mxb* mxb = (struct mxb*)dev->ext_priv;
 447 }
 448 */
 449
 450 static struct saa7146_ext_vv vv_data;
 451
 452 /* this function only gets called when the probing was successful */
 453 static int mxb_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_data *info)
 454 {
 455         struct mxb* mxb = (struct mxb*)dev->ext_priv;
 456
 457         DEB_EE(("dev:%p\n",dev));
 458
 459         /* checking for i2c-devices can be omitted here, because we
 460            already did this in "mxb_vl42_probe" */
 461
 462         saa7146_vv_init(dev,&vv_data);
 463         if( 0 != saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) {
 464                 ERR(("cannot register capture v4l2 device. skipping.\n"));
 465                 return -1;
 466         }
 467
 468         /* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/
 469         if( 0 != MXB_BOARD_CAN_DO_VBI(dev)) {
 470                 if( 0 != saa7146_register_device(&mxb->vbi_dev, dev, "mxb", VFL_TYPE_VBI)) {
 471                         ERR(("cannot register vbi v4l2 device. skipping.\n"));
 472                 }
 473         }
 474
 475         i2c_use_client(mxb->tea6420_1);
 476         i2c_use_client(mxb->tea6420_2);
 477         i2c_use_client(mxb->tea6415c);
 478         i2c_use_client(mxb->tda9840);
 479         i2c_use_client(mxb->saa7111a);
 480         i2c_use_client(mxb->tuner);
 481
 482         printk("mxb: found 'Multimedia eXtension Board'-%d.\n",mxb_num);
 483
 484         mxb_num++;
 485         mxb_init_done(dev);
 486         return 0;
 487 }
 488
 489 static int mxb_detach(struct saa7146_dev* dev)
 490 {
 491         struct mxb* mxb = (struct mxb*)dev->ext_priv;
 492
 493         DEB_EE(("dev:%p\n",dev));
 494
 495         i2c_release_client(mxb->tea6420_1);
 496         i2c_release_client(mxb->tea6420_2);
 497         i2c_release_client(mxb->tea6415c);
 498         i2c_release_client(mxb->tda9840);
 499         i2c_release_client(mxb->saa7111a);
 500         i2c_release_client(mxb->tuner);
 501
 502         saa7146_unregister_device(&mxb->video_dev,dev);
 503         if( 0 != MXB_BOARD_CAN_DO_VBI(dev)) {
 504                 saa7146_unregister_device(&mxb->vbi_dev,dev);
 505         }
 506         saa7146_vv_release(dev);
 507
 508         mxb_num--;
 509
 510         i2c_del_adapter(&mxb->i2c_adapter);
 511         kfree(mxb);
 512
 513         return 0;
 514 }
 515
 516 static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
 517 {
 518         struct saa7146_dev *dev = fh->dev;
 519         struct mxb* mxb = (struct mxb*)dev->ext_priv;
 520         struct saa7146_vv *vv = dev->vv_data;
 521
 522         switch(cmd) {
 523         case VIDIOC_ENUMINPUT:
 524         {
 525                 struct v4l2_input *i = arg;
 526
 527                 DEB_EE(("VIDIOC_ENUMINPUT %d.\n",i->index));
 528                 if( i->index < 0 || i->index >= MXB_INPUTS) {
 529                         return -EINVAL;
 530                 }
 531                 memcpy(i, &mxb_inputs[i->index], sizeof(struct v4l2_input));
 532
 533                 return 0;
 534         }
 535         /* the saa7146 provides some controls (brightness, contrast, saturation)
 536            which gets registered *after* this function. because of this we have
 537            to return with a value != 0 even if the function succeded.. */
 538         case VIDIOC_QUERYCTRL:
 539         {
 540                 struct v4l2_queryctrl *qc = arg;
 541                 int i;
 542
 543                 for (i = MAXCONTROLS - 1; i >= 0; i--) {
 544                         if (mxb_controls[i].id == qc->id) {
 545                                 *qc = mxb_controls[i];
 546                                 DEB_D(("VIDIOC_QUERYCTRL %d.\n",qc->id));
 547                                 return 0;
 548                         }
 549                 }
 550                 return -EAGAIN;
 551         }
 552         case VIDIOC_G_CTRL:
 553         {
 554                 struct v4l2_control *vc = arg;
 555                 int i;
 556
 557                 for (i = MAXCONTROLS - 1; i >= 0; i--) {
 558                         if (mxb_controls[i].id == vc->id) {
 559                                 break;
 560                         }
 561                 }
 562
 563                 if( i < 0 ) {
 564                         return -EAGAIN;
 565                 }
 566
 567                 switch (vc->id ) {
 568                         case V4L2_CID_AUDIO_MUTE: {
 569                                 vc->value = mxb->cur_mute;
 570                                 DEB_D(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n",vc->value));
 571                                 return 0;
 572                         }
 573                 }
 574
 575                 DEB_EE(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n",vc->value));
 576                 return 0;
 577         }
 578
 579         case VIDIOC_S_CTRL:
 580         {
 581                 struct  v4l2_control    *vc = arg;
 582                 int i = 0;
 583
 584                 for (i = MAXCONTROLS - 1; i >= 0; i--) {
 585                         if (mxb_controls[i].id == vc->id) {
 586                                 break;
 587                         }
 588                 }
 589
 590                 if( i < 0 ) {
 591                         return -EAGAIN;
 592                 }
 593
 594                 switch (vc->id ) {
 595                         case V4L2_CID_AUDIO_MUTE: {
 596                                 mxb->cur_mute = vc->value;
 597                                 if( 0 == vc->value ) {
 598                                         /* switch the audio-source */
 599                                         mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[mxb->cur_input]][0]);
 600                                         mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[mxb->cur_input]][1]);
 601                                 } else {
 602                                         mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[6][0]);
 603                                         mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[6][1]);
 604                                 }
 605                                 DEB_EE(("VIDIOC_S_CTRL, V4L2_CID_AUDIO_MUTE: %d.\n",vc->value));
 606                                 break;
 607                         }
 608                 }
 609                 return 0;
 610         }
 611         case VIDIOC_G_INPUT:
 612         {
 613                 int *input = (int *)arg;
 614                 *input = mxb->cur_input;
 615
 616                 DEB_EE(("VIDIOC_G_INPUT %d.\n",*input));
 617                 return 0;
 618         }
 619         case VIDIOC_S_INPUT:
 620         {
 621                 int input = *(int *)arg;
 622                 struct  tea6415c_multiplex vm;
 623                 int i = 0;
 624
 625                 DEB_EE(("VIDIOC_S_INPUT %d.\n",input));
 626
 627                 if (input < 0 || input >= MXB_INPUTS) {
 628                         return -EINVAL;
 629                 }
 630
 631                 /* fixme: locke das setzen des inputs mit hilfe des mutexes
 632                 down(&dev->lock);
 633                 video_mux(dev,*i);
 634                 up(&dev->lock);
 635                 */
 636
 637                 /* fixme: check if streaming capture
 638                 if ( 0 != dev->streaming ) {
 639                         DEB_D(("VIDIOC_S_INPUT illegal while streaming.\n"));
 640                         return -EPERM;
 641                 }
 642                 */
 643
 644                 mxb->cur_input = input;
 645
 646                 saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source, input_port_selection[input].hps_sync);
 647
 648                 /* prepare switching of tea6415c and saa7111a;
 649                    have a look at the 'background'-file for further informations  */
 650                 switch( input ) {
 651
 652                         case TUNER:
 653                         {
 654                                 i = 0;
 655                                 vm.in  = 3;
 656                                 vm.out = 17;
 657
 658                         if ( 0 != mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm)) {
 659                                         printk("VIDIOC_S_INPUT: could not address tea6415c #1\n");
 660                                         return -EFAULT;
 661                                 }
 662                                 /* connect tuner-output always to multicable */
 663                                 vm.in  = 3;
 664                                 vm.out = 13;
 665                                 break;
 666                         }
 667                         case AUX3_YC:
 668                         {
 669                                 /* nothing to be done here. aux3_yc is
 670                                    directly connected to the saa711a */
 671                                 i = 5;
 672                                 break;
 673                         }
 674                         case AUX3:
 675                         {
 676                                 /* nothing to be done here. aux3 is
 677                                    directly connected to the saa711a */
 678                                 i = 1;
 679                                 break;
 680                         }
 681                         case AUX1:
 682                         {
 683                                 i = 0;
 684                                 vm.in  = 1;
 685                                 vm.out = 17;
 686                                 break;
 687                         }
 688                 }
 689
 690                 /* switch video in tea6415c only if necessary */
 691                 switch( input ) {
 692                         case TUNER:
 693                         case AUX1:
 694                         {
 695                                 if ( 0 != mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm)) {
 696                                         printk("VIDIOC_S_INPUT: could not address tea6415c #3\n");
 697                                         return -EFAULT;
 698                                 }
 699                                 break;
 700                         }
 701                         default:
 702                         {
 703                                 break;
 704                         }
 705                 }
 706
 707                 /* switch video in saa7111a */
 708                 if ( 0 != mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_INPUT, &i)) {
 709                         printk("VIDIOC_S_INPUT: could not address saa7111a #1.\n");
 710                 }
 711
 712                 /* switch the audio-source only if necessary */
 713                 if( 0 == mxb->cur_mute ) {
 714                         mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[input]][0]);
 715                         mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[input]][1]);
 716                 }
 717
 718                 return 0;
 719         }
 720         case VIDIOC_G_TUNER:
 721         {
 722                 struct v4l2_tuner *t = arg;
 723                 int byte = 0;
 724
 725                 if( 0 != t->index ) {
 726                         DEB_D(("VIDIOC_G_TUNER: channel %d does not have a tuner attached.\n", t->index));
 727                         return -EINVAL;
 728                 }
 729
 730                 DEB_EE(("VIDIOC_G_TUNER: %d\n", t->index));
 731
 732                 memset(t,0,sizeof(*t));
 733                 strcpy(t->name, "Television");
 734
 735                 t->type = V4L2_TUNER_ANALOG_TV;
 736                 t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
 737                 t->rangelow = 772;      /* 48.25 MHZ / 62.5 kHz = 772, see fi1216mk2-specs, page 2 */
 738                 t->rangehigh = 13684;   /* 855.25 MHz / 62.5 kHz = 13684 */
 739                 /* FIXME: add the real signal strength here */
 740                 t->signal = 0xffff;
 741                 t->afc = 0;
 742
 743                 mxb->tda9840->driver->command(mxb->tda9840,TDA9840_DETECT, &byte);
 744                 t->audmode = mxb->cur_mode;
 745
 746                 if( byte < 0 ) {
 747                         t->rxsubchans  = V4L2_TUNER_SUB_MONO;
 748                 } else {
 749                         switch(byte) {
 750                                 case TDA9840_MONO_DETECT: {
 751                                         t->rxsubchans   = V4L2_TUNER_SUB_MONO;
 752                                         DEB_D(("VIDIOC_G_TUNER: V4L2_TUNER_MODE_MONO.\n"));
 753                                         break;
 754                                 }
 755                                 case TDA9840_DUAL_DETECT: {
 756                                         t->rxsubchans   = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
 757                                         DEB_D(("VIDIOC_G_TUNER: V4L2_TUNER_MODE_LANG1.\n"));
 758                                         break;
 759                                 }
 760                                 case TDA9840_STEREO_DETECT: {
 761                                         t->rxsubchans   = V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_MONO;
 762                                         DEB_D(("VIDIOC_G_TUNER: V4L2_TUNER_MODE_STEREO.\n"));
 763                                         break;
 764                                 }
 765                                 default: { /* TDA9840_INCORRECT_DETECT */
 766                                         t->rxsubchans   = V4L2_TUNER_MODE_MONO;
 767                                         DEB_D(("VIDIOC_G_TUNER: TDA9840_INCORRECT_DETECT => V4L2_TUNER_MODE_MONO\n"));
 768                                         break;
 769                                 }
 770                         }
 771                 }
 772
 773                 return 0;
 774         }
 775         case VIDIOC_S_TUNER:
 776         {
 777                 struct v4l2_tuner *t = arg;
 778                 int result = 0;
 779                 int byte = 0;
 780
 781                 if( 0 != t->index ) {
 782                         DEB_D(("VIDIOC_S_TUNER: channel %d does not have a tuner attached.\n",t->index));
 783                         return -EINVAL;
 784                 }
 785
 786                 switch(t->audmode) {
 787                         case V4L2_TUNER_MODE_STEREO: {
 788                                 mxb->cur_mode = V4L2_TUNER_MODE_STEREO;
 789                                 byte = TDA9840_SET_STEREO;
 790                                 DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_STEREO\n"));
 791                                 break;
 792                         }
 793                         case V4L2_TUNER_MODE_LANG1: {
 794                                 mxb->cur_mode = V4L2_TUNER_MODE_LANG1;
 795                                 byte = TDA9840_SET_LANG1;
 796                                 DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_LANG1\n"));
 797                                 break;
 798                         }
 799                         case V4L2_TUNER_MODE_LANG2: {
 800                                 mxb->cur_mode = V4L2_TUNER_MODE_LANG2;
 801                                 byte = TDA9840_SET_LANG2;
 802                                 DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_LANG2\n"));
 803                                 break;
 804                         }
 805                         default: { /* case V4L2_TUNER_MODE_MONO: {*/
 806                                 mxb->cur_mode = V4L2_TUNER_MODE_MONO;
 807                                 byte = TDA9840_SET_MONO;
 808                                 DEB_D(("VIDIOC_S_TUNER: TDA9840_SET_MONO\n"));
 809                                 break;
 810                         }
 811                 }
 812
 813                 if( 0 != (result = mxb->tda9840->driver->command(mxb->tda9840, TDA9840_SWITCH, &byte))) {
 814                         printk("VIDIOC_S_TUNER error. result:%d, byte:%d\n",result,byte);
 815                 }
 816
 817                 return 0;
 818         }
 819         case VIDIOC_G_FREQUENCY:
 820         {
 821                 struct v4l2_frequency *f = arg;
 822
 823                 if(0 != mxb->cur_input) {
 824                         DEB_D(("VIDIOC_G_FREQ: channel %d does not have a tuner!\n",mxb->cur_input));
 825                         return -EINVAL;
 826                 }
 827
 828                 *f = mxb->cur_freq;
 829
 830                 DEB_EE(("VIDIOC_G_FREQ: freq:0x%08x.\n", mxb->cur_freq.frequency));
 831                 return 0;
 832         }
 833         case VIDIOC_S_FREQUENCY:
 834         {
 835                 struct v4l2_frequency *f = arg;
 836
 837                 if (0 != f->tuner)
 838                         return -EINVAL;
 839
 840                 if (V4L2_TUNER_ANALOG_TV != f->type)
 841                         return -EINVAL;
 842
 843                 if(0 != mxb->cur_input) {
 844                         DEB_D(("VIDIOC_S_FREQ: channel %d does not have a tuner!\n",mxb->cur_input));
 845                         return -EINVAL;
 846                 }
 847
 848                 mxb->cur_freq = *f;
 849                 DEB_EE(("VIDIOC_S_FREQUENCY: freq:0x%08x.\n", mxb->cur_freq.frequency));
 850
 851                 /* tune in desired frequency */
 852                 mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_FREQUENCY, &mxb->cur_freq);
 853
 854                 /* hack: changing the frequency should invalidate the vbi-counter (=> alevt) */
 855                 spin_lock(&dev->slock);
 856                 vv->vbi_fieldcount = 0;
 857                 spin_unlock(&dev->slock);
 858
 859                 return 0;
 860         }
 861         case MXB_S_AUDIO_CD:
 862         {
 863                 int i = *(int*)arg;
 864
 865                 if( i < 0 || i >= MXB_AUDIOS ) {
 866                         DEB_D(("illegal argument to MXB_S_AUDIO_CD: i:%d.\n",i));
 867                         return -EINVAL;
 868                 }
 869
 870                 DEB_EE(("MXB_S_AUDIO_CD: i:%d.\n",i));
 871
 872                 mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_cd[i][0]);
 873                 mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_cd[i][1]);
 874
 875                 return 0;
 876         }
 877         case MXB_S_AUDIO_LINE:
 878         {
 879                 int i = *(int*)arg;
 880
 881                 if( i < 0 || i >= MXB_AUDIOS ) {
 882                         DEB_D(("illegal argument to MXB_S_AUDIO_LINE: i:%d.\n",i));
 883                         return -EINVAL;
 884                 }
 885
 886                 DEB_EE(("MXB_S_AUDIO_LINE: i:%d.\n",i));
 887                 mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[i][0]);
 888                 mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[i][1]);
 889
 890                 return 0;
 891         }
 892         case VIDIOC_G_AUDIO:
 893         {
 894                 struct v4l2_audio *a = arg;
 895
 896                 if( a->index < 0 || a->index > MXB_INPUTS ) {
 897                         DEB_D(("VIDIOC_G_AUDIO %d out of range.\n",a->index));
 898                         return -EINVAL;
 899                 }
 900
 901                 DEB_EE(("VIDIOC_G_AUDIO %d.\n",a->index));
 902                 memcpy(a, &mxb_audios[video_audio_connect[mxb->cur_input]], sizeof(struct v4l2_audio));
 903
 904                 return 0;
 905         }
 906         case VIDIOC_S_AUDIO:
 907         {
 908                 struct v4l2_audio *a = arg;
 909                 DEB_D(("VIDIOC_S_AUDIO %d.\n",a->index));
 910                 return 0;
 911         }
 912         default:
 913 /*
 914                 DEB2(printk("does not handle this ioctl.\n"));
 915 */
 916                 return -ENOIOCTLCMD;
 917         }
 918         return 0;
 919 }
 920
 921 static int std_callback(struct saa7146_dev* dev, struct saa7146_standard *std)
 922 {
 923         struct mxb* mxb = (struct mxb*)dev->ext_priv;
 924         int zero = 0;
 925         int one = 1;
 926
 927         if(V4L2_STD_PAL_I == std->id ) {
 928                 v4l2_std_id std = V4L2_STD_PAL_I;
 929                 DEB_D(("VIDIOC_S_STD: setting mxb for PAL_I.\n"));
 930                 /* set the 7146 gpio register -- I don't know what this does exactly */
 931                 saa7146_write(dev, GPIO_CTRL, 0x00404050);
 932                 /* unset the 7111 gpio register -- I don't know what this does exactly */
 933                 mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_GPIO, &zero);
 934                 mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_STD, &std);
 935         } else {
 936                 v4l2_std_id std = V4L2_STD_PAL_BG;
 937                 DEB_D(("VIDIOC_S_STD: setting mxb for PAL/NTSC/SECAM.\n"));
 938                 /* set the 7146 gpio register -- I don't know what this does exactly */
 939                 saa7146_write(dev, GPIO_CTRL, 0x00404050);
 940                 /* set the 7111 gpio register -- I don't know what this does exactly */
 941                 mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_GPIO, &one);
 942                 mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_STD, &std);
 943         }
 944         return 0;
 945 }
 946
 947 static struct saa7146_standard standard[] = {
 948         {
 949                 .name   = "PAL-BG",     .id     = V4L2_STD_PAL_BG,
 950                 .v_offset       = 0x17, .v_field        = 288,
 951                 .h_offset       = 0x14, .h_pixels       = 680,
 952                 .v_max_out      = 576,  .h_max_out      = 768,
 953         }, {
 954                 .name   = "PAL-I",      .id     = V4L2_STD_PAL_I,
 955                 .v_offset       = 0x17, .v_field        = 288,
 956                 .h_offset       = 0x14, .h_pixels       = 680,
 957                 .v_max_out      = 576,  .h_max_out      = 768,
 958         }, {
 959                 .name   = "NTSC",       .id     = V4L2_STD_NTSC,
 960                 .v_offset       = 0x16, .v_field        = 240,
 961                 .h_offset       = 0x06, .h_pixels       = 708,
 962                 .v_max_out      = 480,  .h_max_out      = 640,
 963         }, {
 964                 .name   = "SECAM",      .id     = V4L2_STD_SECAM,
 965                 .v_offset       = 0x14, .v_field        = 288,
 966                 .h_offset       = 0x14, .h_pixels       = 720,
 967                 .v_max_out      = 576,  .h_max_out      = 768,
 968         }
 969 };
 970
 971 static struct saa7146_pci_extension_data mxb = {
 972         .ext_priv = "Multimedia eXtension Board",
 973         .ext = &extension,
 974 };
 975
 976 static struct pci_device_id pci_tbl[] = {
 977         {
 978                 .vendor    = PCI_VENDOR_ID_PHILIPS,
 979                 .device    = PCI_DEVICE_ID_PHILIPS_SAA7146,
 980                 .subvendor = 0x0000,
 981                 .subdevice = 0x0000,
 982                 .driver_data = (unsigned long)&mxb,
 983         }, {
 984                 .vendor = 0,
 985         }
 986 };
 987
 988 MODULE_DEVICE_TABLE(pci, pci_tbl);
 989
 990 static struct saa7146_ext_vv vv_data = {
 991         .inputs         = MXB_INPUTS,
 992         .capabilities   = V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE,
 993         .stds           = &standard[0],
 994         .num_stds       = sizeof(standard)/sizeof(struct saa7146_standard),
 995         .std_callback   = &std_callback,
 996         .ioctls         = &ioctls[0],
 997         .ioctl          = mxb_ioctl,
 998 };
 999
1000 static struct saa7146_extension extension = {
1001         .name           = MXB_IDENTIFIER,
1002         .flags          = SAA7146_USE_I2C_IRQ,
1003
1004         .pci_tbl        = &pci_tbl[0],
1005         .module         = THIS_MODULE,
1006
1007         .probe          = mxb_probe,
1008         .attach         = mxb_attach,
1009         .detach         = mxb_detach,
1010
1011         .irq_mask       = 0,
1012         .irq_func       = NULL,
1013 };
1014
1015 static int __init mxb_init_module(void)
1016 {
1017         if( 0 != saa7146_register_extension(&extension)) {
1018                 DEB_S(("failed to register extension.\n"));
1019                 return -ENODEV;
1020         }
1021
1022         return 0;
1023 }
1024
1025 static void __exit mxb_cleanup_module(void)
1026 {
1027         saa7146_unregister_extension(&extension);
1028 }
1029
1030 module_init(mxb_init_module);
1031 module_exit(mxb_cleanup_module);
1032
1033 MODULE_DESCRIPTION("video4linux-2 driver for the Siemens-Nixdorf 'Multimedia eXtension board'");
1034 MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
1035 MODULE_LICENSE("GPL");