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                 .tda9887_conf = TDA9887_PRESENT,
  56                 .has_tuner    = 1,
  57                 .decoder      = EM28XX_SAA7113,
  58                 .input           = {{
  59                         .type     = EM28XX_VMUX_COMPOSITE1,
  60                         .vmux     = SAA7115_COMPOSITE0,
  61                         .amux     = 1,
  62                 },{
  63                         .type     = EM28XX_VMUX_SVIDEO,
  64                         .vmux     = SAA7115_SVIDEO3,
  65                         .amux     = 1,
  66                 }},
  67         },
  68         [EM2820_BOARD_UNKNOWN] = {
  69                 .name         = "Unknown EM2750/28xx video grabber",
  70                 .is_em2800    = 0,
  71         },
  72         [EM2820_BOARD_KWORLD_PVRTV2800RF] = {
  73                 .name         = "Kworld PVR TV 2800 RF",
  74                 .is_em2800    = 0,
  75                 .vchannels    = 2,
  76                 .tda9887_conf = TDA9887_PRESENT,
  77                 .has_tuner    = 1,
  78                 .decoder      = EM28XX_SAA7113,
  79                 .input           = {{
  80                         .type     = EM28XX_VMUX_COMPOSITE1,
  81                         .vmux     = SAA7115_COMPOSITE0,
  82                         .amux     = 1,
  83                 },{
  84                         .type     = EM28XX_VMUX_SVIDEO,
  85                         .vmux     = SAA7115_SVIDEO3,
  86                         .amux     = 1,
  87                 }},
  88         },
  89         [EM2820_BOARD_TERRATEC_CINERGY_250] = {
  90                 .name         = "Terratec Cinergy 250 USB",
  91                 .vchannels    = 3,
  92                 .tuner_type   = TUNER_LG_PAL_NEW_TAPC,
  93                 .tda9887_conf = TDA9887_PRESENT,
  94                 .has_tuner    = 1,
  95                 .decoder      = EM28XX_SAA7113,
  96                 .input          = {{
  97                         .type     = EM28XX_VMUX_TELEVISION,
  98                         .vmux     = SAA7115_COMPOSITE2,
  99                         .amux     = 1,
 100                 },{
 101                         .type     = EM28XX_VMUX_COMPOSITE1,
 102                         .vmux     = SAA7115_COMPOSITE0,
 103                         .amux     = 1,
 104                 },{
 105                         .type     = EM28XX_VMUX_SVIDEO,
 106                         .vmux     = SAA7115_SVIDEO3,
 107                         .amux     = 1,
 108                 }},
 109         },
 110         [EM2820_BOARD_PINNACLE_USB_2] = {
 111                 .name         = "Pinnacle PCTV USB 2",
 112                 .vchannels    = 3,
 113                 .tuner_type   = TUNER_LG_PAL_NEW_TAPC,
 114                 .tda9887_conf = TDA9887_PRESENT,
 115                 .has_tuner    = 1,
 116                 .decoder      = EM28XX_SAA7113,
 117                 .input          = {{
 118                         .type     = EM28XX_VMUX_TELEVISION,
 119                         .vmux     = SAA7115_COMPOSITE2,
 120                         .amux     = 0,
 121                 },{
 122                         .type     = EM28XX_VMUX_COMPOSITE1,
 123                         .vmux     = SAA7115_COMPOSITE0,
 124                         .amux     = 1,
 125                 },{
 126                         .type     = EM28XX_VMUX_SVIDEO,
 127                         .vmux     = SAA7115_SVIDEO3,
 128                         .amux     = 1,
 129                 }},
 130         },
 131         [EM2820_BOARD_HAUPPAUGE_WINTV_USB_2] = {
 132                 .name         = "Hauppauge WinTV USB 2",
 133                 .vchannels    = 3,
 134                 .tuner_type   = TUNER_PHILIPS_FM1236_MK3,
 135                 .tda9887_conf = TDA9887_PRESENT|TDA9887_PORT1_ACTIVE|TDA9887_PORT2_ACTIVE,
 136                 .has_tuner    = 1,
 137                 .decoder      = EM28XX_TVP5150,
 138                 .has_msp34xx  = 1,
 139                 /*FIXME: S-Video not tested */
 140                 .input          = {{
 141                         .type     = EM28XX_VMUX_TELEVISION,
 142                         .vmux     = TVP5150_COMPOSITE0,
 143                         .amux     = MSP_INPUT_DEFAULT,
 144                 },{
 145                         .type     = EM28XX_VMUX_SVIDEO,
 146                         .vmux     = TVP5150_SVIDEO,
 147                         .amux     = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER1,
 148                                         MSP_DSP_IN_SCART, MSP_DSP_IN_SCART),
 149                 }},
 150         },
 151         [EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900] = {
 152                 .name         = "Hauppauge WinTV HVR 900",
 153                 .vchannels    = 3,
 154                 .tda9887_conf = TDA9887_PRESENT,
 155                 .tuner_type   = TUNER_XC2028,
 156                 .has_tuner    = 1,
 157                 .mts_firmware = 1,
 158                 .decoder      = EM28XX_TVP5150,
 159                 .input          = {{
 160                         .type     = EM28XX_VMUX_TELEVISION,
 161                         .vmux     = TVP5150_COMPOSITE0,
 162                         .amux     = 0,
 163                 },{
 164                         .type     = EM28XX_VMUX_COMPOSITE1,
 165                         .vmux     = TVP5150_COMPOSITE1,
 166                         .amux     = 1,
 167                 },{
 168                         .type     = EM28XX_VMUX_SVIDEO,
 169                         .vmux     = TVP5150_SVIDEO,
 170                         .amux     = 1,
 171                 }},
 172         },
 173         [EM2880_BOARD_HAUPPAUGE_WINTV_HVR_950] = {
 174                 .name         = "Hauppauge WinTV HVR 950",
 175                 .vchannels    = 3,
 176                 .tda9887_conf = TDA9887_PRESENT,
 177                 .tuner_type   = TUNER_XC2028,
 178                 .has_tuner    = 1,
 179                 .decoder      = EM28XX_TVP5150,
 180                 .input          = {{
 181                         .type     = EM28XX_VMUX_TELEVISION,
 182                         .vmux     = TVP5150_COMPOSITE0,
 183                         .amux     = 0,
 184                 },{
 185                         .type     = EM28XX_VMUX_COMPOSITE1,
 186                         .vmux     = TVP5150_COMPOSITE1,
 187                         .amux     = 1,
 188                 },{
 189                         .type     = EM28XX_VMUX_SVIDEO,
 190                         .vmux     = TVP5150_SVIDEO,
 191                         .amux     = 1,
 192                 }},
 193         },
 194         [EM2880_BOARD_TERRATEC_HYBRID_XS] = {
 195                 .name         = "Terratec Hybrid XS",
 196                 .vchannels    = 3,
 197                 .tda9887_conf = TDA9887_PRESENT,
 198                 .has_tuner    = 1,
 199                 .tuner_type   = TUNER_XC2028,
 200                 .decoder      = EM28XX_TVP5150,
 201                 .input          = {{
 202                         .type     = EM28XX_VMUX_TELEVISION,
 203                         .vmux     = TVP5150_COMPOSITE0,
 204                         .amux     = 0,
 205                 },{
 206                         .type     = EM28XX_VMUX_COMPOSITE1,
 207                         .vmux     = TVP5150_COMPOSITE1,
 208                         .amux     = 1,
 209                 },{
 210                         .type     = EM28XX_VMUX_SVIDEO,
 211                         .vmux     = TVP5150_SVIDEO,
 212                         .amux     = 1,
 213                 }},
 214         },
 215         /* maybe there's a reason behind it why Terratec sells the Hybrid XS as Prodigy XS with a
 216          * different PID, let's keep it separated for now maybe we'll need it lateron */
 217         [EM2880_BOARD_TERRATEC_PRODIGY_XS] = {
 218                 .name         = "Terratec Prodigy XS",
 219                 .vchannels    = 3,
 220                 .tda9887_conf = TDA9887_PRESENT,
 221                 .has_tuner    = 1,
 222                 .tuner_type   = TUNER_XC2028,
 223                 .decoder      = EM28XX_TVP5150,
 224                 .input          = {{
 225                         .type     = EM28XX_VMUX_TELEVISION,
 226                         .vmux     = TVP5150_COMPOSITE0,
 227                         .amux     = 0,
 228                 },{
 229                         .type     = EM28XX_VMUX_COMPOSITE1,
 230                         .vmux     = TVP5150_COMPOSITE1,
 231                         .amux     = 1,
 232                 },{
 233                         .type     = EM28XX_VMUX_SVIDEO,
 234                         .vmux     = TVP5150_SVIDEO,
 235                         .amux     = 1,
 236                 }},
 237         },
 238         [EM2820_BOARD_MSI_VOX_USB_2] = {
 239                 .name           = "MSI VOX USB 2.0",
 240                 .vchannels      = 3,
 241                 .tuner_type     = TUNER_LG_PAL_NEW_TAPC,
 242                 .tda9887_conf   = TDA9887_PRESENT|TDA9887_PORT1_ACTIVE|TDA9887_PORT2_ACTIVE,
 243                 .has_tuner      = 1,
 244                 .decoder        = EM28XX_SAA7114,
 245                 .input          = {{
 246                         .type     = EM28XX_VMUX_TELEVISION,
 247                         .vmux     = SAA7115_COMPOSITE4,
 248                         .amux     = 0,
 249                 },{
 250                         .type     = EM28XX_VMUX_COMPOSITE1,
 251                         .vmux     = SAA7115_COMPOSITE0,
 252                         .amux     = 1,
 253                 },{
 254                         .type     = EM28XX_VMUX_SVIDEO,
 255                         .vmux     = SAA7115_SVIDEO3,
 256                         .amux     = 1,
 257                 }},
 258         },
 259         [EM2800_BOARD_TERRATEC_CINERGY_200] = {
 260                 .name         = "Terratec Cinergy 200 USB",
 261                 .is_em2800    = 1,
 262                 .vchannels    = 3,
 263                 .tuner_type   = TUNER_LG_PAL_NEW_TAPC,
 264                 .tda9887_conf = TDA9887_PRESENT,
 265                 .has_tuner    = 1,
 266                 .decoder      = EM28XX_SAA7113,
 267                 .input          = {{
 268                         .type     = EM28XX_VMUX_TELEVISION,
 269                         .vmux     = SAA7115_COMPOSITE2,
 270                         .amux     = 0,
 271                 },{
 272                         .type     = EM28XX_VMUX_COMPOSITE1,
 273                         .vmux     = SAA7115_COMPOSITE0,
 274                         .amux     = 1,
 275                 },{
 276                         .type     = EM28XX_VMUX_SVIDEO,
 277                         .vmux     = SAA7115_SVIDEO3,
 278                         .amux     = 1,
 279                 }},
 280         },
 281         [EM2800_BOARD_LEADTEK_WINFAST_USBII] = {
 282                 .name         = "Leadtek Winfast USB II",
 283                 .is_em2800    = 1,
 284                 .vchannels    = 3,
 285                 .tuner_type   = TUNER_LG_PAL_NEW_TAPC,
 286                 .tda9887_conf = TDA9887_PRESENT,
 287                 .has_tuner    = 1,
 288                 .decoder      = EM28XX_SAA7113,
 289                 .input          = {{
 290                         .type     = EM28XX_VMUX_TELEVISION,
 291                         .vmux     = SAA7115_COMPOSITE2,
 292                         .amux     = 0,
 293                 },{
 294                         .type     = EM28XX_VMUX_COMPOSITE1,
 295                         .vmux     = SAA7115_COMPOSITE0,
 296                         .amux     = 1,
 297                 },{
 298                         .type     = EM28XX_VMUX_SVIDEO,
 299                         .vmux     = SAA7115_SVIDEO3,
 300                         .amux     = 1,
 301                 }},
 302         },
 303         [EM2800_BOARD_KWORLD_USB2800] = {
 304                 .name         = "Kworld USB2800",
 305                 .is_em2800    = 1,
 306                 .vchannels    = 3,
 307                 .tuner_type   = TUNER_PHILIPS_ATSC,
 308                 .tda9887_conf = TDA9887_PRESENT,
 309                 .has_tuner    = 1,
 310                 .decoder      = EM28XX_SAA7113,
 311                 .input          = {{
 312                         .type     = EM28XX_VMUX_TELEVISION,
 313                         .vmux     = SAA7115_COMPOSITE2,
 314                         .amux     = 0,
 315                 },{
 316                         .type     = EM28XX_VMUX_COMPOSITE1,
 317                         .vmux     = SAA7115_COMPOSITE0,
 318                         .amux     = 1,
 319                 },{
 320                         .type     = EM28XX_VMUX_SVIDEO,
 321                         .vmux     = SAA7115_SVIDEO3,
 322                         .amux     = 1,
 323                 }},
 324         },
 325         [EM2820_BOARD_PINNACLE_DVC_90] = {
 326                 .name         = "Pinnacle Dazzle DVC 90",
 327                 .vchannels    = 3,
 328                 .has_tuner    = 0,
 329                 .decoder      = EM28XX_SAA7113,
 330                 .input          = {{
 331                         .type     = EM28XX_VMUX_COMPOSITE1,
 332                         .vmux     = SAA7115_COMPOSITE0,
 333                         .amux     = 1,
 334                 },{
 335                         .type     = EM28XX_VMUX_SVIDEO,
 336                         .vmux     = SAA7115_SVIDEO3,
 337                         .amux     = 1,
 338                 }},
 339         },
 340         [EM2800_BOARD_VGEAR_POCKETTV] = {
 341                 .name         = "V-Gear PocketTV",
 342                 .is_em2800    = 1,
 343                 .vchannels    = 3,
 344                 .tuner_type   = TUNER_LG_PAL_NEW_TAPC,
 345                 .tda9887_conf = TDA9887_PRESENT,
 346                 .has_tuner    = 1,
 347                 .decoder      = EM28XX_SAA7113,
 348                 .input          = {{
 349                         .type     = EM28XX_VMUX_TELEVISION,
 350                         .vmux     = SAA7115_COMPOSITE2,
 351                         .amux     = 0,
 352                 },{
 353                         .type     = EM28XX_VMUX_COMPOSITE1,
 354                         .vmux     = SAA7115_COMPOSITE0,
 355                         .amux     = 1,
 356                 },{
 357                         .type     = EM28XX_VMUX_SVIDEO,
 358                         .vmux     = SAA7115_SVIDEO3,
 359                         .amux     = 1,
 360                 }},
 361         },
 362         [EM2820_BOARD_PROLINK_PLAYTV_USB2] = {
 363                 .name         = "Pixelview Prolink PlayTV USB 2.0",
 364                 .vchannels    = 3,
 365                 .tda9887_conf = TDA9887_PRESENT,
 366                 .has_tuner    = 1,
 367                 .decoder      = EM28XX_SAA7113,
 368                 .input          = {{
 369                         .type     = EM28XX_VMUX_TELEVISION,
 370                         .vmux     = SAA7115_COMPOSITE2,
 371                         .amux     = 1,
 372                 },{
 373                         .type     = EM28XX_VMUX_COMPOSITE1,
 374                         .vmux     = SAA7115_COMPOSITE0,
 375                         .amux     = 1,
 376                 },{
 377                         .type     = EM28XX_VMUX_SVIDEO,
 378                         .vmux     = SAA7115_SVIDEO3,
 379                         .amux     = 1,
 380                 }},
 381         },
 382 };
 383 const unsigned int em28xx_bcount = ARRAY_SIZE(em28xx_boards);
 384
 385 /* table of devices that work with this driver */
 386 struct usb_device_id em28xx_id_table [] = {
 387         { USB_DEVICE(0xeb1a, 0x2750), .driver_info = EM2820_BOARD_UNKNOWN },
 388         { USB_DEVICE(0xeb1a, 0x2800), .driver_info = EM2800_BOARD_UNKNOWN },
 389         { USB_DEVICE(0xeb1a, 0x2820), .driver_info = EM2820_BOARD_UNKNOWN },
 390         { USB_DEVICE(0xeb1a, 0x2821), .driver_info = EM2820_BOARD_UNKNOWN },
 391         { USB_DEVICE(0xeb1a, 0x2860), .driver_info = EM2820_BOARD_UNKNOWN },
 392         { USB_DEVICE(0xeb1a, 0x2861), .driver_info = EM2820_BOARD_UNKNOWN },
 393         { USB_DEVICE(0xeb1a, 0x2870), .driver_info = EM2820_BOARD_UNKNOWN },
 394         { USB_DEVICE(0xeb1a, 0x2881), .driver_info = EM2820_BOARD_UNKNOWN },
 395         { USB_DEVICE(0xeb1a, 0x2883), .driver_info = EM2820_BOARD_UNKNOWN },
 396         { USB_DEVICE(0x0ccd, 0x0036), .driver_info = EM2820_BOARD_TERRATEC_CINERGY_250 },
 397         { USB_DEVICE(0x2304, 0x0208), .driver_info = EM2820_BOARD_PINNACLE_USB_2 },
 398         { USB_DEVICE(0x2040, 0x4200), .driver_info = EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 },
 399         { USB_DEVICE(0x2304, 0x0207), .driver_info = EM2820_BOARD_PINNACLE_DVC_90 },
 400         { USB_DEVICE(0x2040, 0x6500), .driver_info = EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 },
 401         { USB_DEVICE(0x2040, 0x6513), .driver_info = EM2880_BOARD_HAUPPAUGE_WINTV_HVR_950 },
 402         { USB_DEVICE(0x0ccd, 0x0042), .driver_info = EM2880_BOARD_TERRATEC_HYBRID_XS },
 403         { USB_DEVICE(0x0ccd, 0x0047), .driver_info = EM2880_BOARD_TERRATEC_PRODIGY_XS },
 404         { },
 405 };
 406 MODULE_DEVICE_TABLE (usb, em28xx_id_table);
 407
 408 /* EEPROM hash table for devices with generic USB IDs */
 409 static struct em28xx_hash_table em28xx_eeprom_hash [] = {
 410         /* P/N: SA 60002070465 Tuner: TVF7533-MF */
 411         { 0x6ce05a8f, EM2820_BOARD_PROLINK_PLAYTV_USB2, TUNER_YMEC_TVF_5533MF },
 412 };
 413
 414 /* I2C devicelist hash table for devices with generic USB IDs */
 415 static struct em28xx_hash_table em28xx_i2c_hash[] = {
 416         { 0xb06a32c3, EM2800_BOARD_TERRATEC_CINERGY_200, TUNER_LG_PAL_NEW_TAPC },
 417         { 0xf51200e3, EM2800_BOARD_VGEAR_POCKETTV, TUNER_LG_PAL_NEW_TAPC },
 418 };
 419
 420 /* Since em28xx_pre_card_setup() requires a proper dev->model,
 421  * this won't work for boards with generic PCI IDs
 422  */
 423 void em28xx_pre_card_setup(struct em28xx *dev)
 424 {
 425         /* request some modules */
 426         switch(dev->model){
 427         case EM2880_BOARD_TERRATEC_PRODIGY_XS:
 428         case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
 429         case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_950:
 430         case EM2880_BOARD_TERRATEC_HYBRID_XS:
 431                 /* reset through GPIO? */
 432                 em28xx_write_regs_req(dev, 0x00, 0x08, "\x7d", 1);
 433                 break;
 434         }
 435 }
 436
 437 static int em28xx_tuner_callback(void *ptr, int command, int arg)
 438 {
 439         int rc = 0;
 440         struct em28xx *dev = ptr;
 441
 442         if (dev->tuner_type != TUNER_XC2028)
 443                 return 0;
 444
 445         switch (command) {
 446         case XC2028_TUNER_RESET:
 447                 /* FIXME: This is device-dependent */
 448                 dev->em28xx_write_regs_req(dev, 0x00, 0x48, "\x00", 1);
 449                 dev->em28xx_write_regs_req(dev, 0x00, 0x12, "\x67", 1);
 450
 451                 msleep(140);
 452                 break;
 453         }
 454         return rc;
 455 }
 456
 457 static void em28xx_config_tuner (struct em28xx *dev)
 458 {
 459         struct v4l2_priv_tun_config  xc2028_cfg;
 460         struct xc2028_ctrl           ctl;
 461         struct tuner_setup           tun_setup;
 462         struct v4l2_frequency        f;
 463
 464         if (!dev->has_tuner)
 465                 return;
 466
 467         tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
 468         tun_setup.type = dev->tuner_type;
 469         tun_setup.addr = dev->tuner_addr;
 470         tun_setup.tuner_callback = em28xx_tuner_callback;
 471
 472         em28xx_i2c_call_clients(dev, TUNER_SET_TYPE_ADDR, &tun_setup);
 473
 474         if (dev->tuner_type == TUNER_XC2028) {
 475                 memset (&ctl, 0, sizeof(ctl));
 476
 477                 ctl.fname   = XC2028_DEFAULT_FIRMWARE;
 478                 ctl.max_len = 64;
 479                 ctl.mts = em28xx_boards[dev->model].mts_firmware;
 480
 481                 xc2028_cfg.tuner = TUNER_XC2028;
 482                 xc2028_cfg.priv  = &ctl;
 483
 484                 em28xx_i2c_call_clients(dev, TUNER_SET_CONFIG, &xc2028_cfg);
 485         }
 486
 487         /* configure tuner */
 488         f.tuner = 0;
 489         f.type = V4L2_TUNER_ANALOG_TV;
 490         f.frequency = 9076;     /* just a magic number */
 491         dev->ctl_freq = f.frequency;
 492         em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, &f);
 493 }
 494
 495 static int em28xx_hint_board(struct em28xx *dev)
 496 {
 497         int i;
 498
 499         /* HINT method: EEPROM
 500          *
 501          * This method works only for boards with eeprom.
 502          * Uses a hash of all eeprom bytes. The hash should be
 503          * unique for a vendor/tuner pair.
 504          * There are a high chance that tuners for different
 505          * video standards produce different hashes.
 506          */
 507         for (i = 0; i < ARRAY_SIZE(em28xx_eeprom_hash); i++) {
 508                 if (dev->hash == em28xx_eeprom_hash[i].hash) {
 509                         dev->model = em28xx_eeprom_hash[i].model;
 510                         dev->tuner_type = em28xx_eeprom_hash[i].tuner;
 511
 512                         em28xx_errdev("Your board has no unique USB ID.\n");
 513                         em28xx_errdev("A hint were successfully done, "
 514                                       "based on eeprom hash.\n");
 515                         em28xx_errdev("This method is not 100%% failproof.\n");
 516                         em28xx_errdev("If the board were missdetected, "
 517                                       "please email this log to:\n");
 518                         em28xx_errdev("\tV4L Mailing List "
 519                                       " <video4linux-list@redhat.com>\n");
 520                         em28xx_errdev("Board detected as %s\n",
 521                                       em28xx_boards[dev->model].name);
 522
 523                         return 0;
 524                 }
 525         }
 526
 527         /* HINT method: I2C attached devices
 528          *
 529          * This method works for all boards.
 530          * Uses a hash of i2c scanned devices.
 531          * Devices with the same i2c attached chips will
 532          * be considered equal.
 533          * This method is less precise than the eeprom one.
 534          */
 535
 536         /* user did not request i2c scanning => do it now */
 537         if (!dev->i2c_hash)
 538                 em28xx_do_i2c_scan(dev);
 539
 540         for (i = 0; i < ARRAY_SIZE(em28xx_i2c_hash); i++) {
 541                 if (dev->i2c_hash == em28xx_i2c_hash[i].hash) {
 542                         dev->model = em28xx_i2c_hash[i].model;
 543                         dev->tuner_type = em28xx_i2c_hash[i].tuner;
 544                         em28xx_errdev("Your board has no unique USB ID.\n");
 545                         em28xx_errdev("A hint were successfully done, "
 546                                       "based on i2c devicelist hash.\n");
 547                         em28xx_errdev("This method is not 100%% failproof.\n");
 548                         em28xx_errdev("If the board were missdetected, "
 549                                       "please email this log to:\n");
 550                         em28xx_errdev("\tV4L Mailing List "
 551                                       " <video4linux-list@redhat.com>\n");
 552                         em28xx_errdev("Board detected as %s\n",
 553                                       em28xx_boards[dev->model].name);
 554
 555                         return 0;
 556                 }
 557         }
 558
 559         em28xx_errdev("Your board has no unique USB ID and thus need a "
 560                       "hint to be detected.\n");
 561         em28xx_errdev("You may try to use card=<n> insmod option to "
 562                       "workaround that.\n");
 563         em28xx_errdev("Please send an email with this log to:\n");
 564         em28xx_errdev("\tV4L Mailing List <video4linux-list@redhat.com>\n");
 565         em28xx_errdev("Board eeprom hash is 0x%08lx\n", dev->hash);
 566         em28xx_errdev("Board i2c devicelist hash is 0x%08lx\n", dev->i2c_hash);
 567
 568         em28xx_errdev("Here is a list of valid choices for the card=<n>"
 569                       " insmod option:\n");
 570         for (i = 0; i < em28xx_bcount; i++) {
 571                 em28xx_errdev("    card=%d -> %s\n",
 572                                 i, em28xx_boards[i].name);
 573         }
 574         return -1;
 575 }
 576
 577
 578 static void em28xx_set_model(struct em28xx *dev)
 579 {
 580         dev->is_em2800 = em28xx_boards[dev->model].is_em2800;
 581         dev->has_tuner = em28xx_boards[dev->model].has_tuner;
 582         dev->has_msp34xx = em28xx_boards[dev->model].has_msp34xx;
 583         dev->tda9887_conf = em28xx_boards[dev->model].tda9887_conf;
 584         dev->decoder = em28xx_boards[dev->model].decoder;
 585         dev->video_inputs = em28xx_boards[dev->model].vchannels;
 586
 587         if (!em28xx_boards[dev->model].has_tuner)
 588                 dev->tuner_type = UNSET;
 589 }
 590
 591 void em28xx_card_setup(struct em28xx *dev)
 592 {
 593         em28xx_set_model(dev);
 594
 595         dev->tuner_type = em28xx_boards[dev->model].tuner_type;
 596
 597         /* request some modules */
 598         switch (dev->model) {
 599         case EM2820_BOARD_HAUPPAUGE_WINTV_USB_2:
 600         case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
 601         case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_950:
 602         {
 603                 struct tveeprom tv;
 604 #ifdef CONFIG_MODULES
 605                 request_module("tveeprom");
 606 #endif
 607                 /* Call first TVeeprom */
 608
 609                 dev->i2c_client.addr = 0xa0 >> 1;
 610                 tveeprom_hauppauge_analog(&dev->i2c_client, &tv, dev->eedata);
 611
 612                 dev->tuner_type = tv.tuner_type;
 613                 if (tv.audio_processor == AUDIO_CHIP_MSP34XX) {
 614                         dev->i2s_speed = 2048000;
 615                         dev->has_msp34xx = 1;
 616                 }
 617 #ifdef CONFIG_MODULES
 618                 if (tv.has_ir)
 619                         request_module("ir-kbd-i2c");
 620 #endif
 621                 /* FIXME: Should also retrieve decoder processor type */
 622
 623                 break;
 624         }
 625         case EM2820_BOARD_KWORLD_PVRTV2800RF:
 626                 /* GPIO enables sound on KWORLD PVR TV 2800RF */
 627                 em28xx_write_regs_req(dev, 0x00, 0x08, "\xf9", 1);
 628                 break;
 629         case EM2820_BOARD_UNKNOWN:
 630         case EM2800_BOARD_UNKNOWN:
 631                 if (!em28xx_hint_board(dev))
 632                         em28xx_set_model(dev);
 633         }
 634
 635         /* Allow override tuner type by a module parameter */
 636         if (tuner >= 0)
 637                 dev->tuner_type = tuner;
 638
 639 #ifdef CONFIG_MODULES
 640         /* request some modules */
 641         if (dev->has_msp34xx)
 642                 request_module("msp3400");
 643         if (dev->decoder == EM28XX_SAA7113 || dev->decoder == EM28XX_SAA7114)
 644                 request_module("saa7115");
 645         if (dev->decoder == EM28XX_TVP5150)
 646                 request_module("tvp5150");
 647         if (dev->has_tuner)
 648                 request_module("tuner");
 649 #endif
 650
 651         em28xx_config_tuner (dev);
 652 }