drivers/media/video/tveeprom.c

   1 /*
   2  * tveeprom - eeprom decoder for tvcard configuration eeproms
   3  *
   4  * Data and decoding routines shamelessly borrowed from bttv-cards.c
   5  * eeprom access routine shamelessly borrowed from bttv-if.c
   6  * which are:
   7
   8     Copyright (C) 1996,97,98 Ralph  Metzler (rjkm@thp.uni-koeln.de)
   9                            & Marcus Metzler (mocm@thp.uni-koeln.de)
  10     (c) 1999-2001 Gerd Knorr <kraxel@goldbach.in-berlin.de>
  11
  12  * Adjustments to fit a more general model and all bugs:
  13
  14         Copyright (C) 2003 John Klar <linpvr at projectplasma.com>
  15
  16  * This program is free software; you can redistribute it and/or modify
  17  * it under the terms of the GNU General Public License as published by
  18  * the Free Software Foundation; either version 2 of the License, or
  19  * (at your option) any later version.
  20  *
  21  * This program is distributed in the hope that it will be useful,
  22  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  23  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24  * GNU General Public License for more details.
  25  *
  26  * You should have received a copy of the GNU General Public License
  27  * along with this program; if not, write to the Free Software
  28  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  29  */
  30
  31
  32 #include <linux/module.h>
  33 #include <linux/moduleparam.h>
  34 #include <linux/errno.h>
  35 #include <linux/kernel.h>
  36 #include <linux/init.h>
  37 #include <linux/types.h>
  38 #include <linux/videodev.h>
  39 #include <linux/i2c.h>
  40
  41 #include <media/tuner.h>
  42 #include <media/tveeprom.h>
  43 #include <media/audiochip.h>
  44
  45 MODULE_DESCRIPTION("i2c Hauppauge eeprom decoder driver");
  46 MODULE_AUTHOR("John Klar");
  47 MODULE_LICENSE("GPL");
  48
  49 static int debug = 0;
  50 module_param(debug, int, 0644);
  51 MODULE_PARM_DESC(debug, "Debug level (0-1)");
  52
  53 #define STRM(array,i) (i < sizeof(array)/sizeof(char*) ? array[i] : "unknown")
  54
  55 #define tveeprom_info(fmt, arg...) do {\
  56         printk(KERN_INFO "tveeprom %d-%04x: " fmt, \
  57                         c->adapter->nr, c->addr , ##arg); } while (0)
  58 #define tveeprom_warn(fmt, arg...) do {\
  59         printk(KERN_WARNING "tveeprom %d-%04x: " fmt, \
  60                         c->adapter->nr, c->addr , ##arg); } while (0)
  61 #define tveeprom_dbg(fmt, arg...) do {\
  62         if (debug) \
  63                 printk(KERN_INFO "tveeprom %d-%04x: " fmt, \
  64                         c->adapter->nr, c->addr , ##arg); } while (0)
  65
  66
  67 /* ----------------------------------------------------------------------- */
  68 /* some hauppauge specific stuff                                           */
  69
  70 static struct HAUPPAUGE_TUNER_FMT
  71 {
  72         int     id;
  73         char *name;
  74 }
  75 hauppauge_tuner_fmt[] =
  76 {
  77         { 0x00000000, " unknown1" },
  78         { 0x00000000, " unknown2" },
  79         { 0x00000007, " PAL(B/G)" },
  80         { 0x00001000, " NTSC(M)" },
  81         { 0x00000010, " PAL(I)" },
  82         { 0x00400000, " SECAM(L/L')" },
  83         { 0x00000e00, " PAL(D/K)" },
  84         { 0x03000000, " ATSC/DVB Digital" },
  85 };
  86
  87 /* This is the full list of possible tuners. Many thanks to Hauppauge for
  88    supplying this information. Note that many tuners where only used for
  89    testing and never made it to the outside world. So you will only see
  90    a subset in actual produced cards. */
  91 static struct HAUPPAUGE_TUNER
  92 {
  93         int  id;
  94         char *name;
  95 }
  96 hauppauge_tuner[] =
  97 {
  98         /* 0-9 */
  99         { TUNER_ABSENT,        "None" },
 100         { TUNER_ABSENT,        "External" },
 101         { TUNER_ABSENT,        "Unspecified" },
 102         { TUNER_PHILIPS_PAL,   "Philips FI1216" },
 103         { TUNER_PHILIPS_SECAM, "Philips FI1216MF" },
 104         { TUNER_PHILIPS_NTSC,  "Philips FI1236" },
 105         { TUNER_PHILIPS_PAL_I, "Philips FI1246" },
 106         { TUNER_PHILIPS_PAL_DK,"Philips FI1256" },
 107         { TUNER_PHILIPS_PAL,   "Philips FI1216 MK2" },
 108         { TUNER_PHILIPS_SECAM, "Philips FI1216MF MK2" },
 109         /* 10-19 */
 110         { TUNER_PHILIPS_NTSC,  "Philips FI1236 MK2" },
 111         { TUNER_PHILIPS_PAL_I, "Philips FI1246 MK2" },
 112         { TUNER_PHILIPS_PAL_DK,"Philips FI1256 MK2" },
 113         { TUNER_TEMIC_NTSC,    "Temic 4032FY5" },
 114         { TUNER_TEMIC_PAL,     "Temic 4002FH5" },
 115         { TUNER_TEMIC_PAL_I,   "Temic 4062FY5" },
 116         { TUNER_PHILIPS_PAL,   "Philips FR1216 MK2" },
 117         { TUNER_PHILIPS_SECAM, "Philips FR1216MF MK2" },
 118         { TUNER_PHILIPS_NTSC,  "Philips FR1236 MK2" },
 119         { TUNER_PHILIPS_PAL_I, "Philips FR1246 MK2" },
 120         /* 20-29 */
 121         { TUNER_PHILIPS_PAL_DK,"Philips FR1256 MK2" },
 122         { TUNER_PHILIPS_PAL,   "Philips FM1216" },
 123         { TUNER_PHILIPS_SECAM, "Philips FM1216MF" },
 124         { TUNER_PHILIPS_NTSC,  "Philips FM1236" },
 125         { TUNER_PHILIPS_PAL_I, "Philips FM1246" },
 126         { TUNER_PHILIPS_PAL_DK,"Philips FM1256" },
 127         { TUNER_TEMIC_4036FY5_NTSC, "Temic 4036FY5" },
 128         { TUNER_ABSENT,        "Samsung TCPN9082D" },
 129         { TUNER_ABSENT,        "Samsung TCPM9092P" },
 130         { TUNER_TEMIC_4006FH5_PAL, "Temic 4006FH5" },
 131         /* 30-39 */
 132         { TUNER_ABSENT,        "Samsung TCPN9085D" },
 133         { TUNER_ABSENT,        "Samsung TCPB9085P" },
 134         { TUNER_ABSENT,        "Samsung TCPL9091P" },
 135         { TUNER_TEMIC_4039FR5_NTSC, "Temic 4039FR5" },
 136         { TUNER_PHILIPS_FQ1216ME,   "Philips FQ1216 ME" },
 137         { TUNER_TEMIC_4066FY5_PAL_I, "Temic 4066FY5" },
 138         { TUNER_PHILIPS_NTSC,        "Philips TD1536" },
 139         { TUNER_PHILIPS_NTSC,        "Philips TD1536D" },
 140         { TUNER_PHILIPS_NTSC,  "Philips FMR1236" }, /* mono radio */
 141         { TUNER_ABSENT,        "Philips FI1256MP" },
 142         /* 40-49 */
 143         { TUNER_ABSENT,        "Samsung TCPQ9091P" },
 144         { TUNER_TEMIC_4006FN5_MULTI_PAL, "Temic 4006FN5" },
 145         { TUNER_TEMIC_4009FR5_PAL, "Temic 4009FR5" },
 146         { TUNER_TEMIC_4046FM5,     "Temic 4046FM5" },
 147         { TUNER_TEMIC_4009FN5_MULTI_PAL_FM, "Temic 4009FN5" },
 148         { TUNER_ABSENT,        "Philips TD1536D FH 44"},
 149         { TUNER_LG_NTSC_FM,    "LG TP18NSR01F"},
 150         { TUNER_LG_PAL_FM,     "LG TP18PSB01D"},
 151         { TUNER_LG_PAL,        "LG TP18PSB11D"},
 152         { TUNER_LG_PAL_I_FM,   "LG TAPC-I001D"},
 153         /* 50-59 */
 154         { TUNER_LG_PAL_I,      "LG TAPC-I701D"},
 155         { TUNER_ABSENT,        "Temic 4042FI5"},
 156         { TUNER_MICROTUNE_4049FM5, "Microtune 4049 FM5"},
 157         { TUNER_ABSENT,        "LG TPI8NSR11F"},
 158         { TUNER_ABSENT,        "Microtune 4049 FM5 Alt I2C"},
 159         { TUNER_PHILIPS_FM1216ME_MK3, "Philips FQ1216ME MK3"},
 160         { TUNER_ABSENT,        "Philips FI1236 MK3"},
 161         { TUNER_PHILIPS_FM1216ME_MK3, "Philips FM1216 ME MK3"},
 162         { TUNER_PHILIPS_FM1236_MK3, "Philips FM1236 MK3"},
 163         { TUNER_ABSENT,        "Philips FM1216MP MK3"},
 164         /* 60-69 */
 165         { TUNER_PHILIPS_FM1216ME_MK3, "LG S001D MK3"},
 166         { TUNER_ABSENT,        "LG M001D MK3"},
 167         { TUNER_ABSENT,        "LG S701D MK3"},
 168         { TUNER_ABSENT,        "LG M701D MK3"},
 169         { TUNER_ABSENT,        "Temic 4146FM5"},
 170         { TUNER_ABSENT,        "Temic 4136FY5"},
 171         { TUNER_ABSENT,        "Temic 4106FH5"},
 172         { TUNER_ABSENT,        "Philips FQ1216LMP MK3"},
 173         { TUNER_LG_NTSC_TAPE,  "LG TAPE H001F MK3"},
 174         { TUNER_LG_NTSC_TAPE,  "LG TAPE H701F MK3"},
 175         /* 70-79 */
 176         { TUNER_ABSENT,        "LG TALN H200T"},
 177         { TUNER_ABSENT,        "LG TALN H250T"},
 178         { TUNER_ABSENT,        "LG TALN M200T"},
 179         { TUNER_ABSENT,        "LG TALN Z200T"},
 180         { TUNER_ABSENT,        "LG TALN S200T"},
 181         { TUNER_ABSENT,        "Thompson DTT7595"},
 182         { TUNER_ABSENT,        "Thompson DTT7592"},
 183         { TUNER_ABSENT,        "Silicon TDA8275C1 8290"},
 184         { TUNER_ABSENT,        "Silicon TDA8275C1 8290 FM"},
 185         { TUNER_ABSENT,        "Thompson DTT757"},
 186         /* 80-89 */
 187         { TUNER_ABSENT,        "Philips FQ1216LME MK3"},
 188         { TUNER_ABSENT,        "LG TAPC G701D"},
 189         { TUNER_LG_NTSC_NEW_TAPC, "LG TAPC H791F"},
 190         { TUNER_LG_PAL_NEW_TAPC, "TCL 2002MB 3"},
 191         { TUNER_LG_PAL_NEW_TAPC, "TCL 2002MI 3"},
 192         { TUNER_TCL_2002N,     "TCL 2002N 6A"},
 193         { TUNER_PHILIPS_FM1236_MK3, "Philips FQ1236 MK3"},
 194         { TUNER_ABSENT,        "Samsung TCPN 2121P30A"},
 195         { TUNER_ABSENT,        "Samsung TCPE 4121P30A"},
 196         { TUNER_PHILIPS_FM1216ME_MK3, "TCL MFPE05 2"},
 197         /* 90-99 */
 198         { TUNER_ABSENT,        "LG TALN H202T"},
 199         { TUNER_PHILIPS_FQ1216AME_MK4, "Philips FQ1216AME MK4"},
 200         { TUNER_PHILIPS_FQ1236A_MK4, "Philips FQ1236A MK4"},
 201         { TUNER_ABSENT,        "Philips FQ1286A MK4"},
 202         { TUNER_ABSENT,        "Philips FQ1216ME MK5"},
 203         { TUNER_ABSENT,        "Philips FQ1236 MK5"},
 204         { TUNER_ABSENT,        "Samsung TCPG_6121P30A"},
 205         { TUNER_TCL_2002MB,    "TCL 2002MB_3H"},
 206         { TUNER_ABSENT,        "TCL 2002MI_3H"},
 207         { TUNER_TCL_2002N,     "TCL 2002N 5H"},
 208         /* 100-109 */
 209         { TUNER_PHILIPS_FMD1216ME_MK3, "Philips FMD1216ME"},
 210         { TUNER_TEA5767,       "Philips TEA5768HL FM Radio"},
 211         { TUNER_ABSENT,        "Panasonic ENV57H12D5"},
 212         { TUNER_PHILIPS_FM1236_MK3, "TCL MFNM05-4"},
 213         { TUNER_ABSENT,        "TCL MNM05-4"},
 214         { TUNER_PHILIPS_FM1216ME_MK3, "TCL MPE05-2"},
 215         { TUNER_ABSENT,        "TCL MQNM05-4"},
 216         { TUNER_ABSENT,        "LG TAPC-W701D"},
 217         { TUNER_ABSENT,        "TCL 9886P-WM"},
 218         { TUNER_ABSENT,        "TCL 1676NM-WM"},
 219         /* 110-119 */
 220         { TUNER_ABSENT,        "Thompson DTT75105"},
 221         { TUNER_ABSENT,        "Conexant_CX24109"},
 222         { TUNER_ABSENT,        "TCL M2523_5N_E"},
 223         { TUNER_ABSENT,        "TCL M2523_3DB_E"},
 224         { TUNER_ABSENT,        "Philips 8275A"},
 225         { TUNER_ABSENT,        "Microtune MT2060"},
 226         { TUNER_ABSENT,        "Philips FM1236 MK5"},
 227         { TUNER_ABSENT,        "Philips FM1216ME MK5"},
 228         { TUNER_ABSENT,        "TCL M2523_3DI_E"},
 229         { TUNER_ABSENT,        "Samsung THPD5222FG30A"},
 230         /* 120-129 */
 231         { TUNER_ABSENT,        "Xceive XC3028"},
 232         { TUNER_ABSENT,        "Philips FQ1216LME MK5"},
 233 };
 234
 235 static struct HAUPPAUGE_AUDIOIC
 236 {
 237         enum audiochip  id;
 238         char *name;
 239 }
 240 audioIC[] =
 241 {
 242         /* 0-4 */
 243         {AUDIO_CHIP_NONE,     "None"},
 244         {AUDIO_CHIP_TEA6300,  "TEA6300"},
 245         {AUDIO_CHIP_TEA6300,  "TEA6320"},
 246         {AUDIO_CHIP_TDA985X,  "TDA9850"},
 247         {AUDIO_CHIP_MSP34XX,  "MSP3400C"},
 248         /* 5-9 */
 249         {AUDIO_CHIP_MSP34XX,  "MSP3410D"},
 250         {AUDIO_CHIP_MSP34XX,  "MSP3415"},
 251         {AUDIO_CHIP_MSP34XX,  "MSP3430"},
 252         {AUDIO_CHIP_UNKNOWN,  "MSP3438"},
 253         {AUDIO_CHIP_UNKNOWN,  "CS5331"},
 254         /* 10-14 */
 255         {AUDIO_CHIP_MSP34XX,  "MSP3435"},
 256         {AUDIO_CHIP_MSP34XX,  "MSP3440"},
 257         {AUDIO_CHIP_MSP34XX,  "MSP3445"},
 258         {AUDIO_CHIP_UNKNOWN,  "MSP3411"},
 259         {AUDIO_CHIP_UNKNOWN,  "MSP3416"},
 260         /* 15-19 */
 261         {AUDIO_CHIP_MSP34XX,  "MSP3425"},
 262         {AUDIO_CHIP_UNKNOWN,  "MSP3451"},
 263         {AUDIO_CHIP_UNKNOWN,  "MSP3418"},
 264         {AUDIO_CHIP_UNKNOWN,  "Type 0x12"},
 265         {AUDIO_CHIP_UNKNOWN,  "OKI7716"},
 266         /* 20-24 */
 267         {AUDIO_CHIP_UNKNOWN,  "MSP4410"},
 268         {AUDIO_CHIP_UNKNOWN,  "MSP4420"},
 269         {AUDIO_CHIP_UNKNOWN,  "MSP4440"},
 270         {AUDIO_CHIP_UNKNOWN,  "MSP4450"},
 271         {AUDIO_CHIP_UNKNOWN,  "MSP4408"},
 272         /* 25-29 */
 273         {AUDIO_CHIP_UNKNOWN,  "MSP4418"},
 274         {AUDIO_CHIP_UNKNOWN,  "MSP4428"},
 275         {AUDIO_CHIP_UNKNOWN,  "MSP4448"},
 276         {AUDIO_CHIP_UNKNOWN,  "MSP4458"},
 277         {AUDIO_CHIP_UNKNOWN,  "Type 0x1d"},
 278         /* 30-34 */
 279         {AUDIO_CHIP_INTERNAL, "CX880"},
 280         {AUDIO_CHIP_INTERNAL, "CX881"},
 281         {AUDIO_CHIP_INTERNAL, "CX883"},
 282         {AUDIO_CHIP_INTERNAL, "CX882"},
 283         {AUDIO_CHIP_INTERNAL, "CX25840"},
 284         /* 35-38 */
 285         {AUDIO_CHIP_INTERNAL, "CX25841"},
 286         {AUDIO_CHIP_INTERNAL, "CX25842"},
 287         {AUDIO_CHIP_INTERNAL, "CX25843"},
 288         {AUDIO_CHIP_INTERNAL, "CX23418"},
 289 };
 290
 291 /* This list is supplied by Hauppauge. Thanks! */
 292 static const char *decoderIC[] = {
 293         /* 0-4 */
 294         "None", "BT815", "BT817", "BT819", "BT815A",
 295         /* 5-9 */
 296         "BT817A", "BT819A", "BT827", "BT829", "BT848",
 297         /* 10-14 */
 298         "BT848A", "BT849A", "BT829A", "BT827A", "BT878",
 299         /* 15-19 */
 300         "BT879", "BT880", "VPX3226E", "SAA7114", "SAA7115",
 301         /* 20-24 */
 302         "CX880", "CX881", "CX883", "SAA7111", "SAA7113",
 303         /* 25-29 */
 304         "CX882", "TVP5150A", "CX25840", "CX25841", "CX25842",
 305         /* 30-31 */
 306         "CX25843", "CX23418",
 307 };
 308
 309 static int hasRadioTuner(int tunerType)
 310 {
 311         switch (tunerType) {
 312                 case 18: //PNPEnv_TUNER_FR1236_MK2:
 313                 case 23: //PNPEnv_TUNER_FM1236:
 314                 case 38: //PNPEnv_TUNER_FMR1236:
 315                 case 16: //PNPEnv_TUNER_FR1216_MK2:
 316                 case 19: //PNPEnv_TUNER_FR1246_MK2:
 317                 case 21: //PNPEnv_TUNER_FM1216:
 318                 case 24: //PNPEnv_TUNER_FM1246:
 319                 case 17: //PNPEnv_TUNER_FR1216MF_MK2:
 320                 case 22: //PNPEnv_TUNER_FM1216MF:
 321                 case 20: //PNPEnv_TUNER_FR1256_MK2:
 322                 case 25: //PNPEnv_TUNER_FM1256:
 323                 case 33: //PNPEnv_TUNER_4039FR5:
 324                 case 42: //PNPEnv_TUNER_4009FR5:
 325                 case 52: //PNPEnv_TUNER_4049FM5:
 326                 case 54: //PNPEnv_TUNER_4049FM5_AltI2C:
 327                 case 44: //PNPEnv_TUNER_4009FN5:
 328                 case 31: //PNPEnv_TUNER_TCPB9085P:
 329                 case 30: //PNPEnv_TUNER_TCPN9085D:
 330                 case 46: //PNPEnv_TUNER_TP18NSR01F:
 331                 case 47: //PNPEnv_TUNER_TP18PSB01D:
 332                 case 49: //PNPEnv_TUNER_TAPC_I001D:
 333                 case 60: //PNPEnv_TUNER_TAPE_S001D_MK3:
 334                 case 57: //PNPEnv_TUNER_FM1216ME_MK3:
 335                 case 59: //PNPEnv_TUNER_FM1216MP_MK3:
 336                 case 58: //PNPEnv_TUNER_FM1236_MK3:
 337                 case 68: //PNPEnv_TUNER_TAPE_H001F_MK3:
 338                 case 61: //PNPEnv_TUNER_TAPE_M001D_MK3:
 339                 case 78: //PNPEnv_TUNER_TDA8275C1_8290_FM:
 340                 case 89: //PNPEnv_TUNER_TCL_MFPE05_2:
 341                 case 92: //PNPEnv_TUNER_PHILIPS_FQ1236A_MK4:
 342                 case 105:
 343                 return 1;
 344         }
 345         return 0;
 346 }
 347
 348 void tveeprom_hauppauge_analog(struct i2c_client *c, struct tveeprom *tvee,
 349                                 unsigned char *eeprom_data)
 350 {
 351         /* ----------------------------------------------
 352         ** The hauppauge eeprom format is tagged
 353         **
 354         ** if packet[0] == 0x84, then packet[0..1] == length
 355         ** else length = packet[0] & 3f;
 356         ** if packet[0] & f8 == f8, then EOD and packet[1] == checksum
 357         **
 358         ** In our (ivtv) case we're interested in the following:
 359         ** tuner type:   tag [00].05 or [0a].01 (index into hauppauge_tuner)
 360         ** tuner fmts:   tag [00].04 or [0a].00 (bitmask index into hauppauge_tuner_fmt)
 361         ** radio:        tag [00].{last} or [0e].00  (bitmask.  bit2=FM)
 362         ** audio proc:   tag [02].01 or [05].00 (mask with 0x7f)
 363         ** decoder proc: tag [09].01)
 364
 365         ** Fun info:
 366         ** model:      tag [00].07-08 or [06].00-01
 367         ** revision:   tag [00].09-0b or [06].04-06
 368         ** serial#:    tag [01].05-07 or [04].04-06
 369
 370         ** # of inputs/outputs ???
 371         */
 372
 373         int i, j, len, done, beenhere, tag,start;
 374
 375         int tuner1 = 0, t_format1 = 0, audioic=-1;
 376         char *t_name1 = NULL;
 377         const char *t_fmt_name1[8] = { " none", "", "", "", "", "", "", "" };
 378
 379         int tuner2 = 0, t_format2 = 0;
 380         char *t_name2 = NULL;
 381         const char *t_fmt_name2[8] = { " none", "", "", "", "", "", "", "" };
 382
 383         memset(tvee, 0, sizeof(*tvee));
 384         done = len = beenhere = 0;
 385
 386         /* Hack for processing eeprom for em28xx and cx 2388x*/
 387         if ((eeprom_data[0] == 0x1a) && (eeprom_data[1] == 0xeb) &&
 388                         (eeprom_data[2] == 0x67) && (eeprom_data[3] == 0x95))
 389                 start=0xa0; /* Generic em28xx offset */
 390         else if (((eeprom_data[0] & 0xf0) == 0x10) &&
 391                                         (eeprom_data[1] == 0x00) &&
 392                                         (eeprom_data[2] == 0x00) &&
 393                                         (eeprom_data[8] == 0x84))
 394                 start=8; /* Generic cx2388x offset */
 395         else
 396                 start=0;
 397
 398         for (i = start; !done && i < 256; i += len) {
 399                 if (eeprom_data[i] == 0x84) {
 400                         len = eeprom_data[i + 1] + (eeprom_data[i + 2] << 8);
 401                         i += 3;
 402                 } else if ((eeprom_data[i] & 0xf0) == 0x70) {
 403                         if (eeprom_data[i] & 0x08) {
 404                                 /* verify checksum! */
 405                                 done = 1;
 406                                 break;
 407                         }
 408                         len = eeprom_data[i] & 0x07;
 409                         ++i;
 410                 } else {
 411                         tveeprom_warn("Encountered bad packet header [%02x]. "
 412                                 "Corrupt or not a Hauppauge eeprom.\n", eeprom_data[i]);
 413                         return;
 414                 }
 415
 416                 if (debug) {
 417                         tveeprom_info("Tag [%02x] + %d bytes:", eeprom_data[i], len - 1);
 418                         for(j = 1; j < len; j++) {
 419                                 printk(" %02x", eeprom_data[i + j]);
 420                         }
 421                         printk("\n");
 422                 }
 423
 424                 /* process by tag */
 425                 tag = eeprom_data[i];
 426                 switch (tag) {
 427                 case 0x00:
 428                         /* tag: 'Comprehensive' */
 429                         tuner1 = eeprom_data[i+6];
 430                         t_format1 = eeprom_data[i+5];
 431                         tvee->has_radio = eeprom_data[i+len-1];
 432                         /* old style tag, don't know how to detect
 433                         IR presence, mark as unknown. */
 434                         tvee->has_ir = 2;
 435                         tvee->model =
 436                                 eeprom_data[i+8] +
 437                                 (eeprom_data[i+9] << 8);
 438                         tvee->revision = eeprom_data[i+10] +
 439                                 (eeprom_data[i+11] << 8) +
 440                                 (eeprom_data[i+12] << 16);
 441                         break;
 442
 443                 case 0x01:
 444                         /* tag: 'SerialID' */
 445                         tvee->serial_number =
 446                                 eeprom_data[i+6] +
 447                                 (eeprom_data[i+7] << 8) +
 448                                 (eeprom_data[i+8] << 16);
 449                         break;
 450
 451                 case 0x02:
 452                         /* tag 'AudioInfo'
 453                         Note mask with 0x7F, high bit used on some older models
 454                         to indicate 4052 mux was removed in favor of using MSP
 455                         inputs directly. */
 456                         audioic = eeprom_data[i+2] & 0x7f;
 457                         if (audioic < sizeof(audioIC)/sizeof(*audioIC))
 458                                 tvee->audio_processor = audioIC[audioic].id;
 459                         else
 460                                 tvee->audio_processor = AUDIO_CHIP_UNKNOWN;
 461                         break;
 462
 463                 /* case 0x03: tag 'EEInfo' */
 464
 465                 case 0x04:
 466                         /* tag 'SerialID2' */
 467                         tvee->serial_number =
 468                                 eeprom_data[i+5] +
 469                                 (eeprom_data[i+6] << 8) +
 470                                 (eeprom_data[i+7] << 16);
 471
 472                                 if ( (eeprom_data[i + 8] && 0xf0) &&
 473                                         (tvee->serial_number < 0xffffff) ) {
 474                                         tvee->MAC_address[0] = 0x00;
 475                                         tvee->MAC_address[1] = 0x0D;
 476                                         tvee->MAC_address[2] = 0xFE;
 477                                         tvee->MAC_address[3] = eeprom_data[i + 7];
 478                                         tvee->MAC_address[4] = eeprom_data[i + 6];
 479                                         tvee->MAC_address[5] = eeprom_data[i + 5];
 480                                         tvee->has_MAC_address = 1;
 481                                 }
 482                         break;
 483
 484                 case 0x05:
 485                         /* tag 'Audio2'
 486                         Note mask with 0x7F, high bit used on some older models
 487                         to indicate 4052 mux was removed in favor of using MSP
 488                         inputs directly. */
 489                         audioic = eeprom_data[i+1] & 0x7f;
 490                         if (audioic < sizeof(audioIC)/sizeof(*audioIC))
 491                                 tvee->audio_processor = audioIC[audioic].id;
 492                         else
 493                                 tvee->audio_processor = AUDIO_CHIP_UNKNOWN;
 494
 495                         break;
 496
 497                 case 0x06:
 498                         /* tag 'ModelRev' */
 499                         tvee->model =
 500                                 eeprom_data[i + 1] +
 501                                 (eeprom_data[i + 2] << 8) +
 502                                 (eeprom_data[i + 3] << 16) +
 503                                 (eeprom_data[i + 4] << 24);
 504                         tvee->revision =
 505                                 eeprom_data[i +5 ] +
 506                                 (eeprom_data[i + 6] << 8) +
 507                                 (eeprom_data[i + 7] << 16);
 508                         break;
 509
 510                 case 0x07:
 511                         /* tag 'Details': according to Hauppauge not interesting
 512                         on any PCI-era or later boards. */
 513                         break;
 514
 515                 /* there is no tag 0x08 defined */
 516
 517                 case 0x09:
 518                         /* tag 'Video' */
 519                         tvee->decoder_processor = eeprom_data[i + 1];
 520                         break;
 521
 522                 case 0x0a:
 523                         /* tag 'Tuner' */
 524                         if (beenhere == 0) {
 525                                 tuner1 = eeprom_data[i+2];
 526                                 t_format1 = eeprom_data[i+1];
 527                                 beenhere = 1;
 528                         } else {
 529                                 /* a second (radio) tuner may be present */
 530                                 tuner2 = eeprom_data[i+2];
 531                                 t_format2 = eeprom_data[i+1];
 532                                 if (t_format2 == 0) {  /* not a TV tuner? */
 533                                         tvee->has_radio = 1; /* must be radio */
 534                                 }
 535                         }
 536                         break;
 537
 538                 case 0x0b:
 539                         /* tag 'Inputs': according to Hauppauge this is specific
 540                         to each driver family, so no good assumptions can be
 541                         made. */
 542                         break;
 543
 544                 /* case 0x0c: tag 'Balun' */
 545                 /* case 0x0d: tag 'Teletext' */
 546
 547                 case 0x0e:
 548                         /* tag: 'Radio' */
 549                         tvee->has_radio = eeprom_data[i+1];
 550                         break;
 551
 552                 case 0x0f:
 553                         /* tag 'IRInfo' */
 554                         tvee->has_ir = eeprom_data[i+1];
 555                         break;
 556
 557                 /* case 0x10: tag 'VBIInfo' */
 558                 /* case 0x11: tag 'QCInfo' */
 559                 /* case 0x12: tag 'InfoBits' */
 560
 561                 default:
 562                         tveeprom_dbg("Not sure what to do with tag [%02x]\n", tag);
 563                         /* dump the rest of the packet? */
 564                 }
 565         }
 566
 567         if (!done) {
 568                 tveeprom_warn("Ran out of data!\n");
 569                 return;
 570         }
 571
 572         if (tvee->revision != 0) {
 573                 tvee->rev_str[0] = 32 + ((tvee->revision >> 18) & 0x3f);
 574                 tvee->rev_str[1] = 32 + ((tvee->revision >> 12) & 0x3f);
 575                 tvee->rev_str[2] = 32 + ((tvee->revision >>  6) & 0x3f);
 576                 tvee->rev_str[3] = 32 + ( tvee->revision        & 0x3f);
 577                 tvee->rev_str[4] = 0;
 578         }
 579
 580         if (hasRadioTuner(tuner1) && !tvee->has_radio) {
 581                 tveeprom_info("The eeprom says no radio is present, but the tuner type\n");
 582                 tveeprom_info("indicates otherwise. I will assume that radio is present.\n");
 583                 tvee->has_radio = 1;
 584         }
 585
 586         if (tuner1 < sizeof(hauppauge_tuner)/sizeof(struct HAUPPAUGE_TUNER)) {
 587                 tvee->tuner_type = hauppauge_tuner[tuner1].id;
 588                 t_name1 = hauppauge_tuner[tuner1].name;
 589         } else {
 590                 t_name1 = "unknown";
 591         }
 592
 593         if (tuner2 < sizeof(hauppauge_tuner)/sizeof(struct HAUPPAUGE_TUNER)) {
 594                 tvee->tuner2_type = hauppauge_tuner[tuner2].id;
 595                 t_name2 = hauppauge_tuner[tuner2].name;
 596         } else {
 597                 t_name2 = "unknown";
 598         }
 599
 600         tvee->tuner_hauppauge_model = tuner1;
 601         tvee->tuner2_hauppauge_model = tuner2;
 602         tvee->tuner_formats = 0;
 603         tvee->tuner2_formats = 0;
 604         for (i = j = 0; i < 8; i++) {
 605                 if (t_format1 & (1 << i)) {
 606                         tvee->tuner_formats |= hauppauge_tuner_fmt[i].id;
 607                         t_fmt_name1[j++] = hauppauge_tuner_fmt[i].name;
 608                 }
 609                 if (t_format2 & (1 << i)) {
 610                         tvee->tuner2_formats |= hauppauge_tuner_fmt[i].id;
 611                         t_fmt_name2[j++] = hauppauge_tuner_fmt[i].name;
 612                 }
 613         }
 614
 615         tveeprom_info("Hauppauge model %d, rev %s, serial# %d\n",
 616                 tvee->model, tvee->rev_str, tvee->serial_number);
 617         if (tvee->has_MAC_address == 1) {
 618                 tveeprom_info("MAC address is %02X-%02X-%02X-%02X-%02X-%02X\n",
 619                         tvee->MAC_address[0], tvee->MAC_address[1],
 620                         tvee->MAC_address[2], tvee->MAC_address[3],
 621                         tvee->MAC_address[4], tvee->MAC_address[5]);
 622         }
 623         tveeprom_info("tuner model is %s (idx %d, type %d)\n",
 624                 t_name1, tuner1, tvee->tuner_type);
 625         tveeprom_info("TV standards%s%s%s%s%s%s%s%s (eeprom 0x%02x)\n",
 626                 t_fmt_name1[0], t_fmt_name1[1], t_fmt_name1[2], t_fmt_name1[3],
 627                 t_fmt_name1[4], t_fmt_name1[5], t_fmt_name1[6], t_fmt_name1[7],
 628                 t_format1);
 629         if (tuner2) {
 630                 tveeprom_info("second tuner model is %s (idx %d, type %d)\n",
 631                                         t_name2, tuner2, tvee->tuner2_type);
 632         }
 633         if (t_format2) {
 634                 tveeprom_info("TV standards%s%s%s%s%s%s%s%s (eeprom 0x%02x)\n",
 635                         t_fmt_name2[0], t_fmt_name2[1], t_fmt_name2[2], t_fmt_name2[3],
 636                         t_fmt_name2[4], t_fmt_name2[5], t_fmt_name2[6], t_fmt_name2[7],
 637                         t_format2);
 638         }
 639         if (audioic<0) {
 640                 tveeprom_info("audio processor is unknown (no idx)\n");
 641                 tvee->audio_processor=AUDIO_CHIP_UNKNOWN;
 642         } else {
 643                 if (audioic < sizeof(audioIC)/sizeof(*audioIC))
 644                         tveeprom_info("audio processor is %s (idx %d)\n",
 645                                         audioIC[audioic].name,audioic);
 646                 else
 647                         tveeprom_info("audio processor is unknown (idx %d)\n",
 648                                                                 audioic);
 649         }
 650         if (tvee->decoder_processor) {
 651                 tveeprom_info("decoder processor is %s (idx %d)\n",
 652                         STRM(decoderIC, tvee->decoder_processor),
 653                         tvee->decoder_processor);
 654         }
 655         if (tvee->has_ir == 2)
 656                 tveeprom_info("has %sradio\n",
 657                                 tvee->has_radio ? "" : "no ");
 658         else
 659                 tveeprom_info("has %sradio, has %sIR remote\n",
 660                                 tvee->has_radio ? "" : "no ",
 661                                 tvee->has_ir ? "" : "no ");
 662 }
 663 EXPORT_SYMBOL(tveeprom_hauppauge_analog);
 664
 665 /* ----------------------------------------------------------------------- */
 666 /* generic helper functions                                                */
 667
 668 int tveeprom_read(struct i2c_client *c, unsigned char *eedata, int len)
 669 {
 670         unsigned char buf;
 671         int err;
 672
 673         buf = 0;
 674         if (1 != (err = i2c_master_send(c, &buf, 1))) {
 675                 tveeprom_info("Huh, no eeprom present (err=%d)?\n", err);
 676                 return -1;
 677         }
 678         if (len != (err = i2c_master_recv(c, eedata, len))) {
 679                 tveeprom_warn("i2c eeprom read error (err=%d)\n", err);
 680                 return -1;
 681         }
 682         if (debug) {
 683                 int i;
 684
 685                 tveeprom_info("full 256-byte eeprom dump:\n");
 686                 for (i = 0; i < len; i++) {
 687                         if (0 == (i % 16))
 688                                 tveeprom_info("%02x:", i);
 689                         printk(" %02x", eedata[i]);
 690                         if (15 == (i % 16))
 691                                 printk("\n");
 692                 }
 693         }
 694         return 0;
 695 }
 696 EXPORT_SYMBOL(tveeprom_read);
 697
 698 /* ----------------------------------------------------------------------- */
 699 /* needed for ivtv.sf.net at the moment.  Should go away in the long       */
 700 /* run, just call the exported tveeprom_* directly, there is no point in   */
 701 /* using the indirect way via i2c_driver->command()                        */
 702
 703 static unsigned short normal_i2c[] = {
 704         0xa0 >> 1,
 705         I2C_CLIENT_END,
 706 };
 707
 708 I2C_CLIENT_INSMOD;
 709
 710 static struct i2c_driver i2c_driver_tveeprom;
 711
 712 static int
 713 tveeprom_command(struct i2c_client *client,
 714                  unsigned int       cmd,
 715                  void              *arg)
 716 {
 717         struct tveeprom eeprom;
 718         u32 *eeprom_props = arg;
 719         u8 *buf;
 720
 721         switch (cmd) {
 722         case 0:
 723                 buf = kmalloc(256,GFP_KERNEL);
 724                 memset(buf,0,256);
 725                 tveeprom_read(client,buf,256);
 726                 tveeprom_hauppauge_analog(client, &eeprom,buf);
 727                 kfree(buf);
 728                 eeprom_props[0] = eeprom.tuner_type;
 729                 eeprom_props[1] = eeprom.tuner_formats;
 730                 eeprom_props[2] = eeprom.model;
 731                 eeprom_props[3] = eeprom.revision;
 732                 eeprom_props[4] = eeprom.has_radio;
 733                 break;
 734         default:
 735                 return -EINVAL;
 736         }
 737         return 0;
 738 }
 739
 740 static int
 741 tveeprom_detect_client(struct i2c_adapter *adapter,
 742                        int                 address,
 743                        int                 kind)
 744 {
 745         struct i2c_client *client;
 746
 747         client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
 748         if (NULL == client)
 749                 return -ENOMEM;
 750         memset(client, 0, sizeof(struct i2c_client));
 751         client->addr = address;
 752         client->adapter = adapter;
 753         client->driver = &i2c_driver_tveeprom;
 754         client->flags = I2C_CLIENT_ALLOW_USE;
 755         snprintf(client->name, sizeof(client->name), "tveeprom");
 756         i2c_attach_client(client);
 757
 758         return 0;
 759 }
 760
 761 static int
 762 tveeprom_attach_adapter (struct i2c_adapter *adapter)
 763 {
 764         if (adapter->id != I2C_HW_B_BT848)
 765                 return 0;
 766         return i2c_probe(adapter, &addr_data, tveeprom_detect_client);
 767 }
 768
 769 static int
 770 tveeprom_detach_client (struct i2c_client *client)
 771 {
 772         int err;
 773
 774         err = i2c_detach_client(client);
 775         if (err < 0)
 776                 return err;
 777         kfree(client);
 778         return 0;
 779 }
 780
 781 static struct i2c_driver i2c_driver_tveeprom = {
 782         .owner          = THIS_MODULE,
 783         .name           = "tveeprom",
 784         .id             = I2C_DRIVERID_TVEEPROM,
 785         .flags          = I2C_DF_NOTIFY,
 786         .attach_adapter = tveeprom_attach_adapter,
 787         .detach_client  = tveeprom_detach_client,
 788         .command        = tveeprom_command,
 789 };
 790
 791 static int __init tveeprom_init(void)
 792 {
 793         return i2c_add_driver(&i2c_driver_tveeprom);
 794 }
 795
 796 static void __exit tveeprom_exit(void)
 797 {
 798         i2c_del_driver(&i2c_driver_tveeprom);
 799 }
 800
 801 module_init(tveeprom_init);
 802 module_exit(tveeprom_exit);
 803
 804 /*
 805  * Local variables:
 806  * c-basic-offset: 8
 807  * End:
 808  */