SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/media/video/em28xx/em28xx-cards.c

   1 /*
   2    em28xx-cards.c - driver for Empia EM2800/EM2820/2840 USB video capture devices
   3
   4    Copyright (C) 2005 Ludovico Cavedon <cavedon@sssup.it>
   5                       Markus Rechberger <mrechberger@gmail.com>
   6                       Mauro Carvalho Chehab <mchehab@infradead.org>
   7                       Sascha Sommer <saschasommer@freenet.de>
   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 #include <linux/init.h>
  25 #include <linux/module.h>
  26 #include <linux/delay.h>
  27 #include <linux/i2c.h>
  28 #include <linux/usb.h>
  29 #include <media/tuner.h>
  30 #include <media/msp3400.h>
  31 #include <media/saa7115.h>
  32 #include <media/tvp5150.h>
  33 #include <media/tveeprom.h>
  34 #include <media/audiochip.h>
  35 #include <media/v4l2-common.h>
  36
  37 #include "em28xx.h"
  38 #include "tuner-xc2028.h"
  39
  40 static int tuner = -1;
  41 module_param(tuner, int, 0444);
  42 MODULE_PARM_DESC(tuner, "tuner type");
  43
  44 struct em28xx_hash_table {
  45         unsigned long hash;
  46         unsigned int  model;
  47         unsigned int  tuner;
  48 };
  49
  50 struct em28xx_board em28xx_boards[] = {
  51         [EM2800_BOARD_UNKNOWN] = {
  52                 .name         = "Unknown EM2800 video grabber",
  53                 .is_em2800    = 1,
  54                 .vchannels    = 2,
  55                 .norm         = VIDEO_MODE_PAL,
  56                 .tda9887_conf = TDA9887_PRESENT,
  57                 .has_tuner    = 1,
  58                 .decoder      = EM28XX_SAA7113,
  59                 .input           = {{
  60                         .type     = EM28XX_VMUX_COMPOSITE1,
  61                         .vmux     = SAA7115_COMPOSITE0,
  62                         .amux     = 1,
  63                 },{
  64                         .type     = EM28XX_VMUX_SVIDEO,
  65                         .vmux     = SAA7115_SVIDEO3,
  66                         .amux     = 1,
  67                 }},
  68         },
  69         [EM2820_BOARD_UNKNOWN] = {
  70                 .name         = "Unknown EM2750/28xx video grabber",
  71                 .is_em2800    = 0,
  72         },
  73         [EM2820_BOARD_KWORLD_PVRTV2800RF] = {
  74                 .name         = "Kworld PVR TV 2800 RF",
  75                 .is_em2800    = 0,
  76                 .vchannels    = 2,
  77                 .norm         = VIDEO_MODE_PAL,
  78                 .tda9887_conf = TDA9887_PRESENT,
  79                 .has_tuner    = 1,
  80                 .decoder      = EM28XX_SAA7113,
  81                 .input           = {{
  82                         .type     = EM28XX_VMUX_COMPOSITE1,
  83                         .vmux     = SAA7115_COMPOSITE0,
  84                         .amux     = 1,
  85                 },{
  86                         .type     = EM28XX_VMUX_SVIDEO,
  87                         .vmux     = SAA7115_SVIDEO3,
  88                         .amux     = 1,
  89                 }},
  90         },
  91         [EM2820_BOARD_TERRATEC_CINERGY_250] = {
  92                 .name         = "Terratec Cinergy 250 USB",
  93                 .vchannels    = 3,
  94                 .norm         = VIDEO_MODE_PAL,
  95                 .tuner_type   = TUNER_LG_PAL_NEW_TAPC,
  96                 .tda9887_conf = TDA9887_PRESENT,
  97                 .has_tuner    = 1,
  98                 .decoder      = EM28XX_SAA7113,
  99                 .input          = {{
 100                         .type     = EM28XX_VMUX_TELEVISION,
 101                         .vmux     = SAA7115_COMPOSITE2,
 102                         .amux     = 1,
 103                 },{
 104                         .type     = EM28XX_VMUX_COMPOSITE1,
 105                         .vmux     = SAA7115_COMPOSITE0,
 106                         .amux     = 1,
 107                 },{
 108                         .type     = EM28XX_VMUX_SVIDEO,
 109                         .vmux     = SAA7115_SVIDEO3,
 110                         .amux     = 1,
 111                 }},
 112         },
 113         [EM2820_BOARD_PINNACLE_USB_2] = {
 114                 .name         = "Pinnacle PCTV USB 2",
 115                 .vchannels    = 3,
 116                 .norm         = VIDEO_MODE_PAL,
 117                 .tuner_type   = TUNER_LG_PAL_NEW_TAPC,
 118                 .tda9887_conf = TDA9887_PRESENT,
 119                 .has_tuner    = 1,
 120                 .decoder      = EM28XX_SAA7113,
 121                 .input          = {{
 122                         .type     = EM28XX_VMUX_TELEVISION,
 123                         .vmux     = SAA7115_COMPOSITE2,
 124                         .amux     = 0,
 125                 },{
 126                         .type     = EM28XX_VMUX_COMPOSITE1,
 127                         .vmux     = SAA7115_COMPOSITE0,
 128                         .amux     = 1,
 129                 },{
 130                         .type     = EM28XX_VMUX_SVIDEO,
 131                         .vmux     = SAA7115_SVIDEO3,
 132                         .amux     = 1,
 133                 }},
 134         },
 135         [EM2820_BOARD_HAUPPAUGE_WINTV_USB_2] = {
 136                 .name         = "Hauppauge WinTV USB 2",
 137                 .vchannels    = 3,
 138                 .norm         = VIDEO_MODE_NTSC,
 139                 .tuner_type   = TUNER_PHILIPS_FM1236_MK3,
 140                 .tda9887_conf = TDA9887_PRESENT|TDA9887_PORT1_ACTIVE|TDA9887_PORT2_ACTIVE,
 141                 .has_tuner    = 1,
 142                 .decoder      = EM28XX_TVP5150,
 143                 .has_msp34xx  = 1,
 144                 /*FIXME: S-Video not tested */
 145                 .input          = {{
 146                         .type     = EM28XX_VMUX_TELEVISION,
 147                         .vmux     = TVP5150_COMPOSITE0,
 148                         .amux     = MSP_INPUT_DEFAULT,
 149                 },{
 150                         .type     = EM28XX_VMUX_SVIDEO,
 151                         .vmux     = TVP5150_SVIDEO,
 152                         .amux     = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER1,
 153                                         MSP_DSP_IN_SCART, MSP_DSP_IN_SCART),
 154                 }},
 155         },
 156         [EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900] = {
 157                 .name         = "Hauppauge WinTV HVR 900/950",
 158                 .vchannels    = 3,
 159                 .norm         = VIDEO_MODE_PAL,
 160                 .tda9887_conf = TDA9887_PRESENT,
 161                 .tuner_type   = TUNER_XC2028,
 162                 .has_tuner    = 1,
 163                 .decoder      = EM28XX_TVP5150,
 164                 .input          = {{
 165                         .type     = EM28XX_VMUX_TELEVISION,
 166                         .vmux     = TVP5150_COMPOSITE0,
 167                         .amux     = 0,
 168                 },{
 169                         .type     = EM28XX_VMUX_COMPOSITE1,
 170                         .vmux     = TVP5150_COMPOSITE1,
 171                         .amux     = 1,
 172                 },{
 173                         .type     = EM28XX_VMUX_SVIDEO,
 174                         .vmux     = TVP5150_SVIDEO,
 175                         .amux     = 1,
 176                 }},
 177         },
 178         [EM2880_BOARD_TERRATEC_HYBRID_XS] = {
 179                 .name         = "Terratec Hybrid XS",
 180                 .vchannels    = 3,
 181                 .norm         = VIDEO_MODE_PAL,
 182                 .tda9887_conf = TDA9887_PRESENT,
 183                 .has_tuner    = 1,
 184                 .tuner_type   = TUNER_XC2028,
 185                 .decoder      = EM28XX_TVP5150,
 186                 .input          = {{
 187                         .type     = EM28XX_VMUX_TELEVISION,
 188                         .vmux     = TVP5150_COMPOSITE0,
 189                         .amux     = 0,
 190                 },{
 191                         .type     = EM28XX_VMUX_COMPOSITE1,
 192                         .vmux     = TVP5150_COMPOSITE1,
 193                         .amux     = 1,
 194                 },{
 195                         .type     = EM28XX_VMUX_SVIDEO,
 196                         .vmux     = TVP5150_SVIDEO,
 197                         .amux     = 1,
 198                 }},
 199         },
 200         /* maybe there's a reason behind it why Terratec sells the Hybrid XS as Prodigy XS with a
 201          * different PID, let's keep it separated for now maybe we'll need it lateron */
 202         [EM2880_BOARD_TERRATEC_PRODIGY_XS] = {
 203                 .name         = "Terratec Prodigy XS",
 204                 .vchannels    = 3,
 205                 .norm         = VIDEO_MODE_PAL,
 206                 .tda9887_conf = TDA9887_PRESENT,
 207                 .has_tuner    = 1,
 208                 .tuner_type   = TUNER_XC2028,
 209                 .decoder      = EM28XX_TVP5150,
 210                 .input          = {{
 211                         .type     = EM28XX_VMUX_TELEVISION,
 212                         .vmux     = TVP5150_COMPOSITE0,
 213                         .amux     = 0,
 214                 },{
 215                         .type     = EM28XX_VMUX_COMPOSITE1,
 216                         .vmux     = TVP5150_COMPOSITE1,
 217                         .amux     = 1,
 218                 },{
 219                         .type     = EM28XX_VMUX_SVIDEO,
 220                         .vmux     = TVP5150_SVIDEO,
 221                         .amux     = 1,
 222                 }},
 223         },
 224         [EM2820_BOARD_MSI_VOX_USB_2] = {
 225                 .name           = "MSI VOX USB 2.0",
 226                 .vchannels      = 3,
 227                 .norm           = VIDEO_MODE_PAL,
 228                 .tuner_type     = TUNER_LG_PAL_NEW_TAPC,
 229                 .tda9887_conf   = TDA9887_PRESENT|TDA9887_PORT1_ACTIVE|TDA9887_PORT2_ACTIVE,
 230                 .has_tuner      = 1,
 231                 .decoder        = EM28XX_SAA7114,
 232                 .input          = {{
 233                         .type     = EM28XX_VMUX_TELEVISION,
 234                         .vmux     = SAA7115_COMPOSITE4,
 235                         .amux     = 0,
 236                 },{
 237                         .type     = EM28XX_VMUX_COMPOSITE1,
 238                         .vmux     = SAA7115_COMPOSITE0,
 239                         .amux     = 1,
 240                 },{
 241                         .type     = EM28XX_VMUX_SVIDEO,
 242                         .vmux     = SAA7115_SVIDEO3,
 243                         .amux     = 1,
 244                 }},
 245         },
 246         [EM2800_BOARD_TERRATEC_CINERGY_200] = {
 247                 .name         = "Terratec Cinergy 200 USB",
 248                 .is_em2800    = 1,
 249                 .vchannels    = 3,
 250                 .norm         = VIDEO_MODE_PAL,
 251                 .tuner_type   = TUNER_LG_PAL_NEW_TAPC,
 252                 .tda9887_conf = TDA9887_PRESENT,
 253                 .has_tuner    = 1,
 254                 .decoder      = EM28XX_SAA7113,
 255                 .input          = {{
 256                         .type     = EM28XX_VMUX_TELEVISION,
 257                         .vmux     = SAA7115_COMPOSITE2,
 258                         .amux     = 0,
 259                 },{
 260                         .type     = EM28XX_VMUX_COMPOSITE1,
 261                         .vmux     = SAA7115_COMPOSITE0,
 262                         .amux     = 1,
 263                 },{
 264                         .type     = EM28XX_VMUX_SVIDEO,
 265                         .vmux     = SAA7115_SVIDEO3,
 266                         .amux     = 1,
 267                 }},
 268         },
 269         [EM2800_BOARD_LEADTEK_WINFAST_USBII] = {
 270                 .name         = "Leadtek Winfast USB II",
 271                 .is_em2800    = 1,
 272                 .vchannels    = 3,
 273                 .norm         = VIDEO_MODE_PAL,
 274                 .tuner_type   = TUNER_LG_PAL_NEW_TAPC,
 275                 .tda9887_conf = TDA9887_PRESENT,
 276                 .has_tuner    = 1,
 277                 .decoder      = EM28XX_SAA7113,
 278                 .input          = {{
 279                         .type     = EM28XX_VMUX_TELEVISION,
 280                         .vmux     = SAA7115_COMPOSITE2,
 281                         .amux     = 0,
 282                 },{
 283                         .type     = EM28XX_VMUX_COMPOSITE1,
 284                         .vmux     = SAA7115_COMPOSITE0,
 285                         .amux     = 1,
 286                 },{
 287                         .type     = EM28XX_VMUX_SVIDEO,
 288                         .vmux     = SAA7115_SVIDEO3,
 289                         .amux     = 1,
 290                 }},
 291         },
 292         [EM2800_BOARD_KWORLD_USB2800] = {
 293                 .name         = "Kworld USB2800",
 294                 .is_em2800    = 1,
 295                 .vchannels    = 3,
 296                 .norm         = VIDEO_MODE_PAL,
 297                 .tuner_type   = TUNER_PHILIPS_ATSC,
 298                 .tda9887_conf = TDA9887_PRESENT,
 299                 .has_tuner    = 1,
 300                 .decoder      = EM28XX_SAA7113,
 301                 .input          = {{
 302                         .type     = EM28XX_VMUX_TELEVISION,
 303                         .vmux     = SAA7115_COMPOSITE2,
 304                         .amux     = 0,
 305                 },{
 306                         .type     = EM28XX_VMUX_COMPOSITE1,
 307                         .vmux     = SAA7115_COMPOSITE0,
 308                         .amux     = 1,
 309                 },{
 310                         .type     = EM28XX_VMUX_SVIDEO,
 311                         .vmux     = SAA7115_SVIDEO3,
 312                         .amux     = 1,
 313                 }},
 314         },
 315         [EM2820_BOARD_PINNACLE_DVC_90] = {
 316                 .name         = "Pinnacle Dazzle DVC 90",
 317                 .vchannels    = 3,
 318                 .norm         = VIDEO_MODE_PAL,
 319                 .has_tuner    = 0,
 320                 .decoder      = EM28XX_SAA7113,
 321                 .input          = {{
 322                         .type     = EM28XX_VMUX_COMPOSITE1,
 323                         .vmux     = SAA7115_COMPOSITE0,
 324                         .amux     = 1,
 325                 },{
 326                         .type     = EM28XX_VMUX_SVIDEO,
 327                         .vmux     = SAA7115_SVIDEO3,
 328                         .amux     = 1,
 329                 }},
 330         },
 331 };
 332 const unsigned int em28xx_bcount = ARRAY_SIZE(em28xx_boards);
 333
 334 /* table of devices that work with this driver */
 335 struct usb_device_id em28xx_id_table [] = {
 336         { USB_DEVICE(0xeb1a, 0x2750), .driver_info = EM2820_BOARD_UNKNOWN },
 337         { USB_DEVICE(0xeb1a, 0x2800), .driver_info = EM2800_BOARD_UNKNOWN },
 338         { USB_DEVICE(0xeb1a, 0x2820), .driver_info = EM2820_BOARD_UNKNOWN },
 339         { USB_DEVICE(0xeb1a, 0x2821), .driver_info = EM2820_BOARD_UNKNOWN },
 340         { USB_DEVICE(0xeb1a, 0x2860), .driver_info = EM2820_BOARD_UNKNOWN },
 341         { USB_DEVICE(0xeb1a, 0x2861), .driver_info = EM2820_BOARD_UNKNOWN },
 342         { USB_DEVICE(0xeb1a, 0x2870), .driver_info = EM2820_BOARD_UNKNOWN },
 343         { USB_DEVICE(0xeb1a, 0x2881), .driver_info = EM2820_BOARD_UNKNOWN },
 344         { USB_DEVICE(0xeb1a, 0x2883), .driver_info = EM2820_BOARD_UNKNOWN },
 345         { USB_DEVICE(0x0ccd, 0x0036), .driver_info = EM2820_BOARD_TERRATEC_CINERGY_250 },
 346         { USB_DEVICE(0x2304, 0x0208), .driver_info = EM2820_BOARD_PINNACLE_USB_2 },
 347         { USB_DEVICE(0x2040, 0x4200), .driver_info = EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 },
 348         { USB_DEVICE(0x2304, 0x0207), .driver_info = EM2820_BOARD_PINNACLE_DVC_90 },
 349         { USB_DEVICE(0x2040, 0x6500), .driver_info = EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 },
 350         { USB_DEVICE(0x2040, 0x6513), .driver_info = EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 },
 351         { USB_DEVICE(0x0ccd, 0x0042), .driver_info = EM2880_BOARD_TERRATEC_HYBRID_XS },
 352         { USB_DEVICE(0x0ccd, 0x0047), .driver_info = EM2880_BOARD_TERRATEC_PRODIGY_XS },
 353         { },
 354 };
 355 MODULE_DEVICE_TABLE (usb, em28xx_id_table);
 356
 357 static struct em28xx_hash_table em28xx_hash [] = {
 358         { 0, 0, 0 },
 359 };
 360
 361 /* Since em28xx_pre_card_setup() requires a proper dev->model,
 362  * this won't work for boards with generic PCI IDs
 363  */
 364 void em28xx_pre_card_setup(struct em28xx *dev)
 365 {
 366         /* request some modules */
 367         switch(dev->model){
 368         case EM2880_BOARD_TERRATEC_PRODIGY_XS:
 369         case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
 370         case EM2880_BOARD_TERRATEC_HYBRID_XS:
 371                 /* reset through GPIO? */
 372                 em28xx_write_regs_req(dev, 0x00, 0x08, "\x7d", 1);
 373                 break;
 374         }
 375 }
 376
 377 static int em28xx_tuner_callback(void *ptr, int command, int arg)
 378 {
 379         int rc = 0;
 380         struct em28xx *dev = ptr;
 381
 382         if (dev->tuner_type != TUNER_XC2028)
 383                 return 0;
 384
 385         switch (command) {
 386         case XC2028_TUNER_RESET:
 387                 /* FIXME: This is device-dependent */
 388                 dev->em28xx_write_regs_req(dev, 0x00, 0x48, "\x00", 1);
 389                 dev->em28xx_write_regs_req(dev, 0x00, 0x12, "\x67", 1);
 390
 391                 msleep(140);
 392                 break;
 393         }
 394         return rc;
 395 }
 396
 397 static void em28xx_config_tuner (struct em28xx *dev)
 398 {
 399         struct v4l2_priv_tun_config  xc2028_cfg;
 400         struct xc2028_ctrl           ctl;
 401         struct tuner_setup           tun_setup;
 402         struct v4l2_frequency        f;
 403
 404         if (!dev->has_tuner)
 405                 return;
 406
 407         tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
 408         tun_setup.type = dev->tuner_type;
 409         tun_setup.addr = dev->tuner_addr;
 410         tun_setup.tuner_callback = em28xx_tuner_callback;
 411
 412         em28xx_i2c_call_clients(dev, TUNER_SET_TYPE_ADDR, &tun_setup);
 413
 414         if (dev->tuner_type == TUNER_XC2028) {
 415                 memset (&ctl, 0, sizeof(ctl));
 416
 417                 ctl.fname   = XC2028_DEFAULT_FIRMWARE;
 418                 ctl.max_len = 64;
 419
 420                 xc2028_cfg.tuner = TUNER_XC2028;
 421                 xc2028_cfg.priv  = &ctl;
 422
 423                 em28xx_i2c_call_clients(dev, TUNER_SET_CONFIG, &xc2028_cfg);
 424         }
 425
 426         /* configure tuner */
 427         f.tuner = 0;
 428         f.type = V4L2_TUNER_ANALOG_TV;
 429         f.frequency = 9076;     /* just a magic number */
 430         dev->ctl_freq = f.frequency;
 431         em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, &f);
 432 }
 433
 434 static int em28xx_hint_board(struct em28xx *dev)
 435 {
 436         int i;
 437
 438         for (i = 0; i < ARRAY_SIZE(em28xx_hash); i++) {
 439                 if (dev->hash == em28xx_hash[i].hash) {
 440                         dev->model = em28xx_hash[i].model;
 441                         dev->tuner_type = em28xx_hash[i].tuner;
 442
 443                         em28xx_errdev("Your board has no unique USB ID.\n");
 444                         em28xx_errdev("A hint were successfully done, "
 445                                       "based on eeprom hash.\n");
 446                         em28xx_errdev("This method is not 100%% failproof.\n");
 447                         em28xx_errdev("If the board were missdetected, "
 448                                       "please email this log to:\n");
 449                         em28xx_errdev("\tV4L Mailing List "
 450                                       " <video4linux-list@redhat.com>\n");
 451                         em28xx_errdev("Board detected as %s\n",
 452                                       em28xx_boards[dev->model].name);
 453
 454                         return 0;
 455                 }
 456         }
 457         em28xx_errdev("Your board has no unique USB ID and thus need a "
 458                       "hint to be detected.\n");
 459         em28xx_errdev("You may try to use card=<n> insmod option to "
 460                       "workaround that.\n");
 461         em28xx_errdev("Please send an email with this log to:\n");
 462         em28xx_errdev("\tV4L Mailing List <video4linux-list@redhat.com>\n");
 463         em28xx_errdev("Board eeprom hash is 0x%08lx\n", dev->hash);
 464
 465         em28xx_errdev("Here is a list of valid choices for the card=<n>"
 466                       " insmod option:\n");
 467         for (i = 0; i < em28xx_bcount; i++) {
 468                 em28xx_errdev("    card=%d -> %s\n",
 469                                 i, em28xx_boards[i].name);
 470         }
 471         return -1;
 472 }
 473
 474 void em28xx_card_setup(struct em28xx *dev)
 475 {
 476         /* request some modules */
 477         switch (dev->model) {
 478         case EM2820_BOARD_HAUPPAUGE_WINTV_USB_2:
 479         {
 480                 struct tveeprom tv;
 481 #ifdef CONFIG_MODULES
 482                 request_module("tveeprom");
 483                 request_module("ir-kbd-i2c");
 484 #endif
 485                 /* Call first TVeeprom */
 486
 487                 dev->i2c_client.addr = 0xa0 >> 1;
 488                 tveeprom_hauppauge_analog(&dev->i2c_client, &tv, dev->eedata);
 489
 490                 dev->tuner_type = tv.tuner_type;
 491                 if (tv.audio_processor == AUDIO_CHIP_MSP34XX) {
 492                         dev->i2s_speed = 2048000;
 493                         dev->has_msp34xx = 1;
 494                 }
 495                 break;
 496         }
 497         case EM2820_BOARD_KWORLD_PVRTV2800RF:
 498                 /* GPIO enables sound on KWORLD PVR TV 2800RF */
 499                 em28xx_write_regs_req(dev, 0x00, 0x08, "\xf9", 1);
 500                 break;
 501         case EM2820_BOARD_UNKNOWN:
 502         case EM2800_BOARD_UNKNOWN:
 503                 em28xx_hint_board(dev);
 504         }
 505
 506         dev->is_em2800 = em28xx_boards[dev->model].is_em2800;
 507         dev->has_tuner = em28xx_boards[dev->model].has_tuner;
 508         dev->has_msp34xx = em28xx_boards[dev->model].has_msp34xx;
 509         dev->tda9887_conf = em28xx_boards[dev->model].tda9887_conf;
 510         dev->decoder = em28xx_boards[dev->model].decoder;
 511         dev->video_inputs = em28xx_boards[dev->model].vchannels;
 512
 513         if (tuner >= 0)
 514                 dev->tuner_type = tuner;
 515
 516 #ifdef CONFIG_MODULES
 517         /* request some modules */
 518         if (dev->has_msp34xx)
 519                 request_module("msp3400");
 520         if (dev->decoder == EM28XX_SAA7113 || dev->decoder == EM28XX_SAA7114)
 521                 request_module("saa7115");
 522         if (dev->decoder == EM28XX_TVP5150)
 523                 request_module("tvp5150");
 524         if (dev->has_tuner)
 525                 request_module("tuner");
 526 #endif
 527
 528         em28xx_config_tuner (dev);
 529 }