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         [EM2800_BOARD_VGEAR_POCKETTV] = {
 332                 .name         = "V-Gear PocketTV",
 333                 .is_em2800    = 1,
 334                 .vchannels    = 3,
 335                 .norm         = VIDEO_MODE_PAL,
 336                 .tuner_type   = TUNER_LG_PAL_NEW_TAPC,
 337                 .tda9887_conf = TDA9887_PRESENT,
 338                 .has_tuner    = 1,
 339                 .decoder      = EM28XX_SAA7113,
 340                 .input          = {{
 341                         .type     = EM28XX_VMUX_TELEVISION,
 342                         .vmux     = SAA7115_COMPOSITE2,
 343                         .amux     = 0,
 344                 },{
 345                         .type     = EM28XX_VMUX_COMPOSITE1,
 346                         .vmux     = SAA7115_COMPOSITE0,
 347                         .amux     = 1,
 348                 },{
 349                         .type     = EM28XX_VMUX_SVIDEO,
 350                         .vmux     = SAA7115_SVIDEO3,
 351                         .amux     = 1,
 352                 }},
 353         },
 354         [EM2820_BOARD_PROLINK_PLAYTV_USB2] = {
 355                 .name         = "Pixelview Prolink PlayTV USB 2.0",
 356                 .vchannels    = 3,
 357                 .tda9887_conf = TDA9887_PRESENT,
 358                 .has_tuner    = 1,
 359                 .decoder      = EM28XX_SAA7113,
 360                 .input          = {{
 361                         .type     = EM28XX_VMUX_TELEVISION,
 362                         .vmux     = SAA7115_COMPOSITE2,
 363                         .amux     = 1,
 364                 },{
 365                         .type     = EM28XX_VMUX_COMPOSITE1,
 366                         .vmux     = SAA7115_COMPOSITE0,
 367                         .amux     = 1,
 368                 },{
 369                         .type     = EM28XX_VMUX_SVIDEO,
 370                         .vmux     = SAA7115_SVIDEO3,
 371                         .amux     = 1,
 372                 }},
 373         },
 374 };
 375 const unsigned int em28xx_bcount = ARRAY_SIZE(em28xx_boards);
 376
 377 /* table of devices that work with this driver */
 378 struct usb_device_id em28xx_id_table [] = {
 379         { USB_DEVICE(0xeb1a, 0x2750), .driver_info = EM2820_BOARD_UNKNOWN },
 380         { USB_DEVICE(0xeb1a, 0x2800), .driver_info = EM2800_BOARD_UNKNOWN },
 381         { USB_DEVICE(0xeb1a, 0x2820), .driver_info = EM2820_BOARD_UNKNOWN },
 382         { USB_DEVICE(0xeb1a, 0x2821), .driver_info = EM2820_BOARD_UNKNOWN },
 383         { USB_DEVICE(0xeb1a, 0x2860), .driver_info = EM2820_BOARD_UNKNOWN },
 384         { USB_DEVICE(0xeb1a, 0x2861), .driver_info = EM2820_BOARD_UNKNOWN },
 385         { USB_DEVICE(0xeb1a, 0x2870), .driver_info = EM2820_BOARD_UNKNOWN },
 386         { USB_DEVICE(0xeb1a, 0x2881), .driver_info = EM2820_BOARD_UNKNOWN },
 387         { USB_DEVICE(0xeb1a, 0x2883), .driver_info = EM2820_BOARD_UNKNOWN },
 388         { USB_DEVICE(0x0ccd, 0x0036), .driver_info = EM2820_BOARD_TERRATEC_CINERGY_250 },
 389         { USB_DEVICE(0x2304, 0x0208), .driver_info = EM2820_BOARD_PINNACLE_USB_2 },
 390         { USB_DEVICE(0x2040, 0x4200), .driver_info = EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 },
 391         { USB_DEVICE(0x2304, 0x0207), .driver_info = EM2820_BOARD_PINNACLE_DVC_90 },
 392         { USB_DEVICE(0x2040, 0x6500), .driver_info = EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 },
 393         { USB_DEVICE(0x2040, 0x6513), .driver_info = EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 },
 394         { USB_DEVICE(0x0ccd, 0x0042), .driver_info = EM2880_BOARD_TERRATEC_HYBRID_XS },
 395         { USB_DEVICE(0x0ccd, 0x0047), .driver_info = EM2880_BOARD_TERRATEC_PRODIGY_XS },
 396         { },
 397 };
 398 MODULE_DEVICE_TABLE (usb, em28xx_id_table);
 399
 400 /* EEPROM hash table for devices with generic USB IDs */
 401 static struct em28xx_hash_table em28xx_eeprom_hash [] = {
 402         /* P/N: SA 60002070465 Tuner: TVF7533-MF */
 403         { 0x6ce05a8f, EM2820_BOARD_PROLINK_PLAYTV_USB2, TUNER_YMEC_TVF_5533MF },
 404 };
 405
 406 /* I2C devicelist hash table for devices with generic USB IDs */
 407 static struct em28xx_hash_table em28xx_i2c_hash[] = {
 408         { 0xb06a32c3, EM2800_BOARD_TERRATEC_CINERGY_200, TUNER_LG_PAL_NEW_TAPC },
 409         { 0xf51200e3, EM2800_BOARD_VGEAR_POCKETTV, TUNER_LG_PAL_NEW_TAPC },
 410 };
 411
 412 /* Since em28xx_pre_card_setup() requires a proper dev->model,
 413  * this won't work for boards with generic PCI IDs
 414  */
 415 void em28xx_pre_card_setup(struct em28xx *dev)
 416 {
 417         /* request some modules */
 418         switch(dev->model){
 419         case EM2880_BOARD_TERRATEC_PRODIGY_XS:
 420         case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
 421         case EM2880_BOARD_TERRATEC_HYBRID_XS:
 422                 /* reset through GPIO? */
 423                 em28xx_write_regs_req(dev, 0x00, 0x08, "\x7d", 1);
 424                 break;
 425         }
 426 }
 427
 428 static int em28xx_tuner_callback(void *ptr, int command, int arg)
 429 {
 430         int rc = 0;
 431         struct em28xx *dev = ptr;
 432
 433         if (dev->tuner_type != TUNER_XC2028)
 434                 return 0;
 435
 436         switch (command) {
 437         case XC2028_TUNER_RESET:
 438                 /* FIXME: This is device-dependent */
 439                 dev->em28xx_write_regs_req(dev, 0x00, 0x48, "\x00", 1);
 440                 dev->em28xx_write_regs_req(dev, 0x00, 0x12, "\x67", 1);
 441
 442                 msleep(140);
 443                 break;
 444         }
 445         return rc;
 446 }
 447
 448 static void em28xx_config_tuner (struct em28xx *dev)
 449 {
 450         struct v4l2_priv_tun_config  xc2028_cfg;
 451         struct xc2028_ctrl           ctl;
 452         struct tuner_setup           tun_setup;
 453         struct v4l2_frequency        f;
 454
 455         if (!dev->has_tuner)
 456                 return;
 457
 458         tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
 459         tun_setup.type = dev->tuner_type;
 460         tun_setup.addr = dev->tuner_addr;
 461         tun_setup.tuner_callback = em28xx_tuner_callback;
 462
 463         em28xx_i2c_call_clients(dev, TUNER_SET_TYPE_ADDR, &tun_setup);
 464
 465         if (dev->tuner_type == TUNER_XC2028) {
 466                 memset (&ctl, 0, sizeof(ctl));
 467
 468                 ctl.fname   = XC2028_DEFAULT_FIRMWARE;
 469                 ctl.max_len = 64;
 470
 471                 xc2028_cfg.tuner = TUNER_XC2028;
 472                 xc2028_cfg.priv  = &ctl;
 473
 474                 em28xx_i2c_call_clients(dev, TUNER_SET_CONFIG, &xc2028_cfg);
 475         }
 476
 477         /* configure tuner */
 478         f.tuner = 0;
 479         f.type = V4L2_TUNER_ANALOG_TV;
 480         f.frequency = 9076;     /* just a magic number */
 481         dev->ctl_freq = f.frequency;
 482         em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, &f);
 483 }
 484
 485 static int em28xx_hint_board(struct em28xx *dev)
 486 {
 487         int i;
 488
 489         /* HINT method: EEPROM
 490          *
 491          * This method works only for boards with eeprom.
 492          * Uses a hash of all eeprom bytes. The hash should be
 493          * unique for a vendor/tuner pair.
 494          * There are a high chance that tuners for different
 495          * video standards produce different hashes.
 496          */
 497         for (i = 0; i < ARRAY_SIZE(em28xx_eeprom_hash); i++) {
 498                 if (dev->hash == em28xx_eeprom_hash[i].hash) {
 499                         dev->model = em28xx_eeprom_hash[i].model;
 500                         dev->tuner_type = em28xx_eeprom_hash[i].tuner;
 501
 502                         em28xx_errdev("Your board has no unique USB ID.\n");
 503                         em28xx_errdev("A hint were successfully done, "
 504                                       "based on eeprom hash.\n");
 505                         em28xx_errdev("This method is not 100%% failproof.\n");
 506                         em28xx_errdev("If the board were missdetected, "
 507                                       "please email this log to:\n");
 508                         em28xx_errdev("\tV4L Mailing List "
 509                                       " <video4linux-list@redhat.com>\n");
 510                         em28xx_errdev("Board detected as %s\n",
 511                                       em28xx_boards[dev->model].name);
 512
 513                         return 0;
 514                 }
 515         }
 516
 517         /* HINT method: I2C attached devices
 518          *
 519          * This method works for all boards.
 520          * Uses a hash of i2c scanned devices.
 521          * Devices with the same i2c attached chips will
 522          * be considered equal.
 523          * This method is less precise than the eeprom one.
 524          */
 525
 526         /* user did not request i2c scanning => do it now */
 527         if (!dev->i2c_hash)
 528                 em28xx_do_i2c_scan(dev);
 529
 530         for (i = 0; i < ARRAY_SIZE(em28xx_i2c_hash); i++) {
 531                 if (dev->i2c_hash == em28xx_i2c_hash[i].hash) {
 532                         dev->model = em28xx_i2c_hash[i].model;
 533                         dev->tuner_type = em28xx_i2c_hash[i].tuner;
 534                         em28xx_errdev("Your board has no unique USB ID.\n");
 535                         em28xx_errdev("A hint were successfully done, "
 536                                       "based on i2c devicelist hash.\n");
 537                         em28xx_errdev("This method is not 100%% failproof.\n");
 538                         em28xx_errdev("If the board were missdetected, "
 539                                       "please email this log to:\n");
 540                         em28xx_errdev("\tV4L Mailing List "
 541                                       " <video4linux-list@redhat.com>\n");
 542                         em28xx_errdev("Board detected as %s\n",
 543                                       em28xx_boards[dev->model].name);
 544
 545                         return 0;
 546                 }
 547         }
 548
 549         em28xx_errdev("Your board has no unique USB ID and thus need a "
 550                       "hint to be detected.\n");
 551         em28xx_errdev("You may try to use card=<n> insmod option to "
 552                       "workaround that.\n");
 553         em28xx_errdev("Please send an email with this log to:\n");
 554         em28xx_errdev("\tV4L Mailing List <video4linux-list@redhat.com>\n");
 555         em28xx_errdev("Board eeprom hash is 0x%08lx\n", dev->hash);
 556         em28xx_errdev("Board i2c devicelist hash is 0x%08lx\n", dev->i2c_hash);
 557
 558         em28xx_errdev("Here is a list of valid choices for the card=<n>"
 559                       " insmod option:\n");
 560         for (i = 0; i < em28xx_bcount; i++) {
 561                 em28xx_errdev("    card=%d -> %s\n",
 562                                 i, em28xx_boards[i].name);
 563         }
 564         return -1;
 565 }
 566
 567
 568 static void em28xx_set_model(struct em28xx *dev)
 569 {
 570         dev->is_em2800 = em28xx_boards[dev->model].is_em2800;
 571         dev->has_tuner = em28xx_boards[dev->model].has_tuner;
 572         dev->has_msp34xx = em28xx_boards[dev->model].has_msp34xx;
 573         dev->tda9887_conf = em28xx_boards[dev->model].tda9887_conf;
 574         dev->decoder = em28xx_boards[dev->model].decoder;
 575         dev->video_inputs = em28xx_boards[dev->model].vchannels;
 576
 577         if (!em28xx_boards[dev->model].has_tuner)
 578                 dev->tuner_type = UNSET;
 579 }
 580
 581 void em28xx_card_setup(struct em28xx *dev)
 582 {
 583         em28xx_set_model(dev);
 584
 585         dev->tuner_type = em28xx_boards[dev->model].tuner_type;
 586
 587         /* request some modules */
 588         switch (dev->model) {
 589         case EM2820_BOARD_HAUPPAUGE_WINTV_USB_2:
 590         {
 591                 struct tveeprom tv;
 592 #ifdef CONFIG_MODULES
 593                 request_module("tveeprom");
 594                 request_module("ir-kbd-i2c");
 595 #endif
 596                 /* Call first TVeeprom */
 597
 598                 dev->i2c_client.addr = 0xa0 >> 1;
 599                 tveeprom_hauppauge_analog(&dev->i2c_client, &tv, dev->eedata);
 600
 601                 dev->tuner_type = tv.tuner_type;
 602                 if (tv.audio_processor == AUDIO_CHIP_MSP34XX) {
 603                         dev->i2s_speed = 2048000;
 604                         dev->has_msp34xx = 1;
 605                 }
 606                 break;
 607         }
 608         case EM2820_BOARD_KWORLD_PVRTV2800RF:
 609                 /* GPIO enables sound on KWORLD PVR TV 2800RF */
 610                 em28xx_write_regs_req(dev, 0x00, 0x08, "\xf9", 1);
 611                 break;
 612         case EM2820_BOARD_UNKNOWN:
 613         case EM2800_BOARD_UNKNOWN:
 614                 if (!em28xx_hint_board(dev))
 615                         em28xx_set_model(dev);
 616         }
 617
 618         /* Allow override tuner type by a module parameter */
 619         if (tuner >= 0)
 620                 dev->tuner_type = tuner;
 621
 622 #ifdef CONFIG_MODULES
 623         /* request some modules */
 624         if (dev->has_msp34xx)
 625                 request_module("msp3400");
 626         if (dev->decoder == EM28XX_SAA7113 || dev->decoder == EM28XX_SAA7114)
 627                 request_module("saa7115");
 628         if (dev->decoder == EM28XX_TVP5150)
 629                 request_module("tvp5150");
 630         if (dev->has_tuner)
 631                 request_module("tuner");
 632 #endif
 633
 634         em28xx_config_tuner (dev);
 635 }