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