git.oblomov.eu Git - linux-2.6/blob - 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/v4l2-common.h>
  44 #include <media/audiochip.h>
  45
  46 MODULE_DESCRIPTION("i2c Hauppauge eeprom decoder driver");
  47 MODULE_AUTHOR("John Klar");
  48 MODULE_LICENSE("GPL");
  49
  50 static int debug = 0;
  51 module_param(debug, int, 0644);
  52 MODULE_PARM_DESC(debug, "Debug level (0-1)");
  53
  54 #define STRM(array,i) (i < sizeof(array)/sizeof(char*) ? array[i] : "unknown")
  55
  56 #define tveeprom_info(fmt, arg...) \
  57         v4l_printk(KERN_INFO, "tveeprom", c->adapter, c->addr, fmt , ## arg)
  58 #define tveeprom_warn(fmt, arg...) \
  59         v4l_printk(KERN_WARNING, "tveeprom", c->adapter, c->addr, fmt , ## arg)
  60 #define tveeprom_dbg(fmt, arg...) do { \
  61         if (debug) \
  62                 v4l_printk(KERN_DEBUG, "tveeprom", c->adapter, c->addr, fmt , ## arg); \
  63         } while (0)
  64
  65 /*
  66  * The Hauppauge eeprom uses an 8bit field to determine which
  67  * tuner formats the tuner supports.
  68  */
  69 static struct HAUPPAUGE_TUNER_FMT
  70 {
  71         int     id;
  72         char *name;
  73 }
  74 hauppauge_tuner_fmt[] =
  75 {
  76         { V4L2_STD_UNKNOWN,                   " UNKNOWN" },
  77         { V4L2_STD_UNKNOWN,                   " FM" },
  78         { V4L2_STD_B|V4L2_STD_GH,             " PAL(B/G)" },
  79         { V4L2_STD_MN,                        " NTSC(M)" },
  80         { V4L2_STD_PAL_I,                     " PAL(I)" },
  81         { V4L2_STD_SECAM_L|V4L2_STD_SECAM_LC, " SECAM(L/L')" },
  82         { V4L2_STD_DK,                        " PAL(D/D1/K)" },
  83         { V4L2_STD_ATSC,                      " ATSC/DVB Digital" },
  84 };
  85
  86 /* This is the full list of possible tuners. Many thanks to Hauppauge for
  87    supplying this information. Note that many tuners where only used for
  88    testing and never made it to the outside world. So you will only see
  89    a subset in actual produced cards. */
  90 static struct HAUPPAUGE_TUNER
  91 {
  92         int  id;
  93         char *name;
  94 }
  95 hauppauge_tuner[] =
  96 {
  97         /* 0-9 */
  98         { TUNER_ABSENT,        "None" },
  99         { TUNER_ABSENT,        "External" },
 100         { TUNER_ABSENT,        "Unspecified" },
 101         { TUNER_PHILIPS_PAL,   "Philips FI1216" },
 102         { TUNER_PHILIPS_SECAM, "Philips FI1216MF" },
 103         { TUNER_PHILIPS_NTSC,  "Philips FI1236" },
 104         { TUNER_PHILIPS_PAL_I, "Philips FI1246" },
 105         { TUNER_PHILIPS_PAL_DK,"Philips FI1256" },
 106         { TUNER_PHILIPS_PAL,   "Philips FI1216 MK2" },
 107         { TUNER_PHILIPS_SECAM, "Philips FI1216MF MK2" },
 108         /* 10-19 */
 109         { TUNER_PHILIPS_NTSC,  "Philips FI1236 MK2" },
 110         { TUNER_PHILIPS_PAL_I, "Philips FI1246 MK2" },
 111         { TUNER_PHILIPS_PAL_DK,"Philips FI1256 MK2" },
 112         { TUNER_TEMIC_NTSC,    "Temic 4032FY5" },
 113         { TUNER_TEMIC_PAL,     "Temic 4002FH5" },
 114         { TUNER_TEMIC_PAL_I,   "Temic 4062FY5" },
 115         { TUNER_PHILIPS_PAL,   "Philips FR1216 MK2" },
 116         { TUNER_PHILIPS_SECAM, "Philips FR1216MF MK2" },
 117         { TUNER_PHILIPS_NTSC,  "Philips FR1236 MK2" },
 118         { TUNER_PHILIPS_PAL_I, "Philips FR1246 MK2" },
 119         /* 20-29 */
 120         { TUNER_PHILIPS_PAL_DK,"Philips FR1256 MK2" },
 121         { TUNER_PHILIPS_PAL,   "Philips FM1216" },
 122         { TUNER_PHILIPS_SECAM, "Philips FM1216MF" },
 123         { TUNER_PHILIPS_NTSC,  "Philips FM1236" },
 124         { TUNER_PHILIPS_PAL_I, "Philips FM1246" },
 125         { TUNER_PHILIPS_PAL_DK,"Philips FM1256" },
 126         { TUNER_TEMIC_4036FY5_NTSC, "Temic 4036FY5" },
 127         { TUNER_ABSENT,        "Samsung TCPN9082D" },
 128         { TUNER_ABSENT,        "Samsung TCPM9092P" },
 129         { TUNER_TEMIC_4006FH5_PAL, "Temic 4006FH5" },
 130         /* 30-39 */
 131         { TUNER_ABSENT,        "Samsung TCPN9085D" },
 132         { TUNER_ABSENT,        "Samsung TCPB9085P" },
 133         { TUNER_ABSENT,        "Samsung TCPL9091P" },
 134         { TUNER_TEMIC_4039FR5_NTSC, "Temic 4039FR5" },
 135         { TUNER_PHILIPS_FQ1216ME,   "Philips FQ1216 ME" },
 136         { TUNER_TEMIC_4066FY5_PAL_I, "Temic 4066FY5" },
 137         { TUNER_PHILIPS_NTSC,        "Philips TD1536" },
 138         { TUNER_PHILIPS_NTSC,        "Philips TD1536D" },
 139         { TUNER_PHILIPS_NTSC,  "Philips FMR1236" }, /* mono radio */
 140         { TUNER_ABSENT,        "Philips FI1256MP" },
 141         /* 40-49 */
 142         { TUNER_ABSENT,        "Samsung TCPQ9091P" },
 143         { TUNER_TEMIC_4006FN5_MULTI_PAL, "Temic 4006FN5" },
 144         { TUNER_TEMIC_4009FR5_PAL, "Temic 4009FR5" },
 145         { TUNER_TEMIC_4046FM5,     "Temic 4046FM5" },
 146         { TUNER_TEMIC_4009FN5_MULTI_PAL_FM, "Temic 4009FN5" },
 147         { TUNER_ABSENT,        "Philips TD1536D FH 44"},
 148         { TUNER_LG_NTSC_FM,    "LG TP18NSR01F"},
 149         { TUNER_LG_PAL_FM,     "LG TP18PSB01D"},
 150         { TUNER_LG_PAL,        "LG TP18PSB11D"},
 151         { TUNER_LG_PAL_I_FM,   "LG TAPC-I001D"},
 152         /* 50-59 */
 153         { TUNER_LG_PAL_I,      "LG TAPC-I701D"},
 154         { TUNER_ABSENT,        "Temic 4042FI5"},
 155         { TUNER_MICROTUNE_4049FM5, "Microtune 4049 FM5"},
 156         { TUNER_ABSENT,        "LG TPI8NSR11F"},
 157         { TUNER_ABSENT,        "Microtune 4049 FM5 Alt I2C"},
 158         { TUNER_PHILIPS_FM1216ME_MK3, "Philips FQ1216ME MK3"},
 159         { TUNER_ABSENT,        "Philips FI1236 MK3"},
 160         { TUNER_PHILIPS_FM1216ME_MK3, "Philips FM1216 ME MK3"},
 161         { TUNER_PHILIPS_FM1236_MK3, "Philips FM1236 MK3"},
 162         { TUNER_ABSENT,        "Philips FM1216MP MK3"},
 163         /* 60-69 */
 164         { TUNER_PHILIPS_FM1216ME_MK3, "LG S001D MK3"},
 165         { TUNER_ABSENT,        "LG M001D MK3"},
 166         { TUNER_PHILIPS_FM1216ME_MK3, "LG S701D MK3"},
 167         { TUNER_ABSENT,        "LG M701D MK3"},
 168         { TUNER_ABSENT,        "Temic 4146FM5"},
 169         { TUNER_ABSENT,        "Temic 4136FY5"},
 170         { TUNER_ABSENT,        "Temic 4106FH5"},
 171         { TUNER_ABSENT,        "Philips FQ1216LMP MK3"},
 172         { TUNER_LG_NTSC_TAPE,  "LG TAPE H001F MK3"},
 173         { TUNER_LG_NTSC_TAPE,  "LG TAPE H701F MK3"},
 174         /* 70-79 */
 175         { TUNER_ABSENT,        "LG TALN H200T"},
 176         { TUNER_ABSENT,        "LG TALN H250T"},
 177         { TUNER_ABSENT,        "LG TALN M200T"},
 178         { TUNER_ABSENT,        "LG TALN Z200T"},
 179         { TUNER_ABSENT,        "LG TALN S200T"},
 180         { TUNER_ABSENT,        "Thompson DTT7595"},
 181         { TUNER_ABSENT,        "Thompson DTT7592"},
 182         { TUNER_ABSENT,        "Silicon TDA8275C1 8290"},
 183         { TUNER_ABSENT,        "Silicon TDA8275C1 8290 FM"},
 184         { TUNER_ABSENT,        "Thompson DTT757"},
 185         /* 80-89 */
 186         { TUNER_PHILIPS_FM1216ME_MK3, "Philips FQ1216LME MK3"},
 187         { TUNER_LG_PAL_NEW_TAPC, "LG TAPC G701D"},
 188         { TUNER_LG_NTSC_NEW_TAPC, "LG TAPC H791F"},
 189         { TUNER_LG_PAL_NEW_TAPC, "TCL 2002MB 3"},
 190         { TUNER_LG_PAL_NEW_TAPC, "TCL 2002MI 3"},
 191         { TUNER_TCL_2002N,     "TCL 2002N 6A"},
 192         { TUNER_PHILIPS_FM1236_MK3, "Philips FQ1236 MK3"},
 193         { TUNER_SAMSUNG_TCPN_2121P30A, "Samsung TCPN 2121P30A"},
 194         { TUNER_ABSENT,        "Samsung TCPE 4121P30A"},
 195         { TUNER_PHILIPS_FM1216ME_MK3, "TCL MFPE05 2"},
 196         /* 90-99 */
 197         { TUNER_ABSENT,        "LG TALN H202T"},
 198         { TUNER_PHILIPS_FQ1216AME_MK4, "Philips FQ1216AME MK4"},
 199         { TUNER_PHILIPS_FQ1236A_MK4, "Philips FQ1236A MK4"},
 200         { TUNER_ABSENT,        "Philips FQ1286A MK4"},
 201         { TUNER_ABSENT,        "Philips FQ1216ME MK5"},
 202         { TUNER_ABSENT,        "Philips FQ1236 MK5"},
 203         { TUNER_SAMSUNG_TCPG_6121P30A, "Samsung TCPG 6121P30A"},
 204         { TUNER_TCL_2002MB,    "TCL 2002MB_3H"},
 205         { TUNER_ABSENT,        "TCL 2002MI_3H"},
 206         { TUNER_TCL_2002N,     "TCL 2002N 5H"},
 207         /* 100-109 */
 208         { TUNER_PHILIPS_FMD1216ME_MK3, "Philips FMD1216ME"},
 209         { TUNER_TEA5767,       "Philips TEA5768HL FM Radio"},
 210         { TUNER_ABSENT,        "Panasonic ENV57H12D5"},
 211         { TUNER_PHILIPS_FM1236_MK3, "TCL MFNM05-4"},
 212         { TUNER_ABSENT,        "TCL MNM05-4"},
 213         { TUNER_PHILIPS_FM1216ME_MK3, "TCL MPE05-2"},
 214         { TUNER_ABSENT,        "TCL MQNM05-4"},
 215         { TUNER_ABSENT,        "LG TAPC-W701D"},
 216         { TUNER_ABSENT,        "TCL 9886P-WM"},
 217         { TUNER_ABSENT,        "TCL 1676NM-WM"},
 218         /* 110-119 */
 219         { TUNER_ABSENT,        "Thompson DTT75105"},
 220         { TUNER_ABSENT,        "Conexant_CX24109"},
 221         { TUNER_TCL_2002N,     "TCL M2523_5N_E"},
 222         { TUNER_TCL_2002MB,    "TCL M2523_3DB_E"},
 223         { TUNER_ABSENT,        "Philips 8275A"},
 224         { TUNER_ABSENT,        "Microtune MT2060"},
 225         { TUNER_PHILIPS_FM1236_MK3, "Philips FM1236 MK5"},
 226         { TUNER_PHILIPS_FM1216ME_MK3, "Philips FM1216ME MK5"},
 227         { TUNER_ABSENT,        "TCL M2523_3DI_E"},
 228         { TUNER_ABSENT,        "Samsung THPD5222FG30A"},
 229         /* 120-129 */
 230         { TUNER_ABSENT,        "Xceive XC3028"},
 231         { TUNER_ABSENT,        "Philips FQ1216LME MK5"},
 232         { TUNER_ABSENT,        "Philips FQD1216LME"},
 233         { TUNER_ABSENT,        "Conexant CX24118A"},
 234         { TUNER_ABSENT,        "TCL DMF11WIP"},
 235         { TUNER_ABSENT,        "TCL MFNM05_4H_E"},
 236         { TUNER_ABSENT,        "TCL MNM05_4H_E"},
 237         { TUNER_ABSENT,        "TCL MPE05_2H_E"},
 238         { TUNER_ABSENT,        "TCL MQNM05_4_U"},
 239         { TUNER_ABSENT,        "TCL M2523_5NH_E"},
 240         /* 130-139 */
 241         { TUNER_ABSENT,        "TCL M2523_3DBH_E"},
 242         { TUNER_ABSENT,        "TCL M2523_3DIH_E"},
 243         { TUNER_ABSENT,        "TCL MFPE05_2_U"},
 244         { TUNER_ABSENT,        "Philips FMD1216MEX"},
 245         { TUNER_ABSENT,        "Philips FRH2036B"},
 246         { TUNER_ABSENT,        "Panasonic ENGF75_01GF"},
 247         { TUNER_ABSENT,        "MaxLinear MXL5005"},
 248         { TUNER_ABSENT,        "MaxLinear MXL5003"},
 249         { TUNER_ABSENT,        "Xceive XC2028"},
 250         { TUNER_ABSENT,        "Microtune MT2131"},
 251         /* 140-149 */
 252         { TUNER_ABSENT,        "Philips 8275A_8295"},
 253         { TUNER_ABSENT,        "TCL MF02GIP_5N_E"},
 254         { TUNER_ABSENT,        "TCL MF02GIP_3DB_E"},
 255         { TUNER_ABSENT,        "TCL MF02GIP_3DI_E"},
 256         { TUNER_ABSENT,        "Microtune MT2266"},
 257         { TUNER_ABSENT,        "TCL MF10WPP_4N_E"},
 258         { TUNER_ABSENT,        "LG TAPQ_H702F"},
 259         { TUNER_ABSENT,        "TCL M09WPP_4N_E"},
 260         { TUNER_ABSENT,        "MaxLinear MXL5005_v2"},
 261         { TUNER_ABSENT,        "Philips 18271_8295"},
 262 };
 263
 264 static struct HAUPPAUGE_AUDIOIC
 265 {
 266         enum audiochip  id;
 267         char *name;
 268 }
 269 audioIC[] =
 270 {
 271         /* 0-4 */
 272         {AUDIO_CHIP_NONE,     "None"},
 273         {AUDIO_CHIP_TEA6300,  "TEA6300"},
 274         {AUDIO_CHIP_TEA6300,  "TEA6320"},
 275         {AUDIO_CHIP_TDA985X,  "TDA9850"},
 276         {AUDIO_CHIP_MSP34XX,  "MSP3400C"},
 277         /* 5-9 */
 278         {AUDIO_CHIP_MSP34XX,  "MSP3410D"},
 279         {AUDIO_CHIP_MSP34XX,  "MSP3415"},
 280         {AUDIO_CHIP_MSP34XX,  "MSP3430"},
 281         {AUDIO_CHIP_MSP34XX,  "MSP3438"},
 282         {AUDIO_CHIP_UNKNOWN,  "CS5331"},
 283         /* 10-14 */
 284         {AUDIO_CHIP_MSP34XX,  "MSP3435"},
 285         {AUDIO_CHIP_MSP34XX,  "MSP3440"},
 286         {AUDIO_CHIP_MSP34XX,  "MSP3445"},
 287         {AUDIO_CHIP_MSP34XX,  "MSP3411"},
 288         {AUDIO_CHIP_MSP34XX,  "MSP3416"},
 289         /* 15-19 */
 290         {AUDIO_CHIP_MSP34XX,  "MSP3425"},
 291         {AUDIO_CHIP_MSP34XX,  "MSP3451"},
 292         {AUDIO_CHIP_MSP34XX,  "MSP3418"},
 293         {AUDIO_CHIP_UNKNOWN,  "Type 0x12"},
 294         {AUDIO_CHIP_UNKNOWN,  "OKI7716"},
 295         /* 20-24 */
 296         {AUDIO_CHIP_MSP34XX,  "MSP4410"},
 297         {AUDIO_CHIP_MSP34XX,  "MSP4420"},
 298         {AUDIO_CHIP_MSP34XX,  "MSP4440"},
 299         {AUDIO_CHIP_MSP34XX,  "MSP4450"},
 300         {AUDIO_CHIP_MSP34XX,  "MSP4408"},
 301         /* 25-29 */
 302         {AUDIO_CHIP_MSP34XX,  "MSP4418"},
 303         {AUDIO_CHIP_MSP34XX,  "MSP4428"},
 304         {AUDIO_CHIP_MSP34XX,  "MSP4448"},
 305         {AUDIO_CHIP_MSP34XX,  "MSP4458"},
 306         {AUDIO_CHIP_MSP34XX,  "Type 0x1d"},
 307         /* 30-34 */
 308         {AUDIO_CHIP_INTERNAL, "CX880"},
 309         {AUDIO_CHIP_INTERNAL, "CX881"},
 310         {AUDIO_CHIP_INTERNAL, "CX883"},
 311         {AUDIO_CHIP_INTERNAL, "CX882"},
 312         {AUDIO_CHIP_INTERNAL, "CX25840"},
 313         /* 35-39 */
 314         {AUDIO_CHIP_INTERNAL, "CX25841"},
 315         {AUDIO_CHIP_INTERNAL, "CX25842"},
 316         {AUDIO_CHIP_INTERNAL, "CX25843"},
 317         {AUDIO_CHIP_INTERNAL, "CX23418"},
 318         {AUDIO_CHIP_INTERNAL, "CX23885"},
 319         /* 40-42 */
 320         {AUDIO_CHIP_INTERNAL, "CX23888"},
 321         {AUDIO_CHIP_INTERNAL, "SAA7131"},
 322         {AUDIO_CHIP_INTERNAL, "CX23887"},
 323 };
 324
 325 /* This list is supplied by Hauppauge. Thanks! */
 326 static const char *decoderIC[] = {
 327         /* 0-4 */
 328         "None", "BT815", "BT817", "BT819", "BT815A",
 329         /* 5-9 */
 330         "BT817A", "BT819A", "BT827", "BT829", "BT848",
 331         /* 10-14 */
 332         "BT848A", "BT849A", "BT829A", "BT827A", "BT878",
 333         /* 15-19 */
 334         "BT879", "BT880", "VPX3226E", "SAA7114", "SAA7115",
 335         /* 20-24 */
 336         "CX880", "CX881", "CX883", "SAA7111", "SAA7113",
 337         /* 25-29 */
 338         "CX882", "TVP5150A", "CX25840", "CX25841", "CX25842",
 339         /* 30-34 */
 340         "CX25843", "CX23418", "NEC61153", "CX23885", "CX23888",
 341         /* 35-37 */
 342         "SAA7131", "CX25837", "CX23887"
 343 };
 344
 345 static int hasRadioTuner(int tunerType)
 346 {
 347         switch (tunerType) {
 348                 case 18: //PNPEnv_TUNER_FR1236_MK2:
 349                 case 23: //PNPEnv_TUNER_FM1236:
 350                 case 38: //PNPEnv_TUNER_FMR1236:
 351                 case 16: //PNPEnv_TUNER_FR1216_MK2:
 352                 case 19: //PNPEnv_TUNER_FR1246_MK2:
 353                 case 21: //PNPEnv_TUNER_FM1216:
 354                 case 24: //PNPEnv_TUNER_FM1246:
 355                 case 17: //PNPEnv_TUNER_FR1216MF_MK2:
 356                 case 22: //PNPEnv_TUNER_FM1216MF:
 357                 case 20: //PNPEnv_TUNER_FR1256_MK2:
 358                 case 25: //PNPEnv_TUNER_FM1256:
 359                 case 33: //PNPEnv_TUNER_4039FR5:
 360                 case 42: //PNPEnv_TUNER_4009FR5:
 361                 case 52: //PNPEnv_TUNER_4049FM5:
 362                 case 54: //PNPEnv_TUNER_4049FM5_AltI2C:
 363                 case 44: //PNPEnv_TUNER_4009FN5:
 364                 case 31: //PNPEnv_TUNER_TCPB9085P:
 365                 case 30: //PNPEnv_TUNER_TCPN9085D:
 366                 case 46: //PNPEnv_TUNER_TP18NSR01F:
 367                 case 47: //PNPEnv_TUNER_TP18PSB01D:
 368                 case 49: //PNPEnv_TUNER_TAPC_I001D:
 369                 case 60: //PNPEnv_TUNER_TAPE_S001D_MK3:
 370                 case 57: //PNPEnv_TUNER_FM1216ME_MK3:
 371                 case 59: //PNPEnv_TUNER_FM1216MP_MK3:
 372                 case 58: //PNPEnv_TUNER_FM1236_MK3:
 373                 case 68: //PNPEnv_TUNER_TAPE_H001F_MK3:
 374                 case 61: //PNPEnv_TUNER_TAPE_M001D_MK3:
 375                 case 78: //PNPEnv_TUNER_TDA8275C1_8290_FM:
 376                 case 89: //PNPEnv_TUNER_TCL_MFPE05_2:
 377                 case 92: //PNPEnv_TUNER_PHILIPS_FQ1236A_MK4:
 378                 case 105:
 379                 return 1;
 380         }
 381         return 0;
 382 }
 383
 384 void tveeprom_hauppauge_analog(struct i2c_client *c, struct tveeprom *tvee,
 385                                 unsigned char *eeprom_data)
 386 {
 387         /* ----------------------------------------------
 388         ** The hauppauge eeprom format is tagged
 389         **
 390         ** if packet[0] == 0x84, then packet[0..1] == length
 391         ** else length = packet[0] & 3f;
 392         ** if packet[0] & f8 == f8, then EOD and packet[1] == checksum
 393         **
 394         ** In our (ivtv) case we're interested in the following:
 395         ** tuner type:   tag [00].05 or [0a].01 (index into hauppauge_tuner)
 396         ** tuner fmts:   tag [00].04 or [0a].00 (bitmask index into hauppauge_tuner_fmt)
 397         ** radio:        tag [00].{last} or [0e].00  (bitmask.  bit2=FM)
 398         ** audio proc:   tag [02].01 or [05].00 (mask with 0x7f)
 399         ** decoder proc: tag [09].01)
 400
 401         ** Fun info:
 402         ** model:      tag [00].07-08 or [06].00-01
 403         ** revision:   tag [00].09-0b or [06].04-06
 404         ** serial#:    tag [01].05-07 or [04].04-06
 405
 406         ** # of inputs/outputs ???
 407         */
 408
 409         int i, j, len, done, beenhere, tag,start;
 410
 411         int tuner1 = 0, t_format1 = 0, audioic=-1;
 412         char *t_name1 = NULL;
 413         const char *t_fmt_name1[8] = { " none", "", "", "", "", "", "", "" };
 414
 415         int tuner2 = 0, t_format2 = 0;
 416         char *t_name2 = NULL;
 417         const char *t_fmt_name2[8] = { " none", "", "", "", "", "", "", "" };
 418
 419         memset(tvee, 0, sizeof(*tvee));
 420         done = len = beenhere = 0;
 421
 422         /* Hack for processing eeprom for em28xx and cx 2388x*/
 423         if ((eeprom_data[0] == 0x1a) && (eeprom_data[1] == 0xeb) &&
 424                         (eeprom_data[2] == 0x67) && (eeprom_data[3] == 0x95))
 425                 start=0xa0; /* Generic em28xx offset */
 426         else if (((eeprom_data[0] & 0xe1) == 0x01) &&
 427                                         (eeprom_data[1] == 0x00) &&
 428                                         (eeprom_data[2] == 0x00) &&
 429                                         (eeprom_data[8] == 0x84))
 430                 start=8; /* Generic cx2388x offset */
 431         else
 432                 start=0;
 433
 434         for (i = start; !done && i < 256; i += len) {
 435                 if (eeprom_data[i] == 0x84) {
 436                         len = eeprom_data[i + 1] + (eeprom_data[i + 2] << 8);
 437                         i += 3;
 438                 } else if ((eeprom_data[i] & 0xf0) == 0x70) {
 439                         if (eeprom_data[i] & 0x08) {
 440                                 /* verify checksum! */
 441                                 done = 1;
 442                                 break;
 443                         }
 444                         len = eeprom_data[i] & 0x07;
 445                         ++i;
 446                 } else {
 447                         tveeprom_warn("Encountered bad packet header [%02x]. "
 448                                 "Corrupt or not a Hauppauge eeprom.\n", eeprom_data[i]);
 449                         return;
 450                 }
 451
 452                 if (debug) {
 453                         tveeprom_info("Tag [%02x] + %d bytes:", eeprom_data[i], len - 1);
 454                         for(j = 1; j < len; j++) {
 455                                 printk(" %02x", eeprom_data[i + j]);
 456                         }
 457                         printk("\n");
 458                 }
 459
 460                 /* process by tag */
 461                 tag = eeprom_data[i];
 462                 switch (tag) {
 463                 case 0x00:
 464                         /* tag: 'Comprehensive' */
 465                         tuner1 = eeprom_data[i+6];
 466                         t_format1 = eeprom_data[i+5];
 467                         tvee->has_radio = eeprom_data[i+len-1];
 468                         /* old style tag, don't know how to detect
 469                         IR presence, mark as unknown. */
 470                         tvee->has_ir = -1;
 471                         tvee->model =
 472                                 eeprom_data[i+8] +
 473                                 (eeprom_data[i+9] << 8);
 474                         tvee->revision = eeprom_data[i+10] +
 475                                 (eeprom_data[i+11] << 8) +
 476                                 (eeprom_data[i+12] << 16);
 477                         break;
 478
 479                 case 0x01:
 480                         /* tag: 'SerialID' */
 481                         tvee->serial_number =
 482                                 eeprom_data[i+6] +
 483                                 (eeprom_data[i+7] << 8) +
 484                                 (eeprom_data[i+8] << 16);
 485                         break;
 486
 487                 case 0x02:
 488                         /* tag 'AudioInfo'
 489                         Note mask with 0x7F, high bit used on some older models
 490                         to indicate 4052 mux was removed in favor of using MSP
 491                         inputs directly. */
 492                         audioic = eeprom_data[i+2] & 0x7f;
 493                         if (audioic < ARRAY_SIZE(audioIC))
 494                                 tvee->audio_processor = audioIC[audioic].id;
 495                         else
 496                                 tvee->audio_processor = AUDIO_CHIP_UNKNOWN;
 497                         break;
 498
 499                 /* case 0x03: tag 'EEInfo' */
 500
 501                 case 0x04:
 502                         /* tag 'SerialID2' */
 503                         tvee->serial_number =
 504                                 eeprom_data[i+5] +
 505                                 (eeprom_data[i+6] << 8) +
 506                                 (eeprom_data[i+7] << 16);
 507
 508                                 if ( (eeprom_data[i + 8] & 0xf0) &&
 509                                         (tvee->serial_number < 0xffffff) ) {
 510                                         tvee->MAC_address[0] = 0x00;
 511                                         tvee->MAC_address[1] = 0x0D;
 512                                         tvee->MAC_address[2] = 0xFE;
 513                                         tvee->MAC_address[3] = eeprom_data[i + 7];
 514                                         tvee->MAC_address[4] = eeprom_data[i + 6];
 515                                         tvee->MAC_address[5] = eeprom_data[i + 5];
 516                                         tvee->has_MAC_address = 1;
 517                                 }
 518                         break;
 519
 520                 case 0x05:
 521                         /* tag 'Audio2'
 522                         Note mask with 0x7F, high bit used on some older models
 523                         to indicate 4052 mux was removed in favor of using MSP
 524                         inputs directly. */
 525                         audioic = eeprom_data[i+1] & 0x7f;
 526                         if (audioic < ARRAY_SIZE(audioIC))
 527                                 tvee->audio_processor = audioIC[audioic].id;
 528                         else
 529                                 tvee->audio_processor = AUDIO_CHIP_UNKNOWN;
 530
 531                         break;
 532
 533                 case 0x06:
 534                         /* tag 'ModelRev' */
 535                         tvee->model =
 536                                 eeprom_data[i + 1] +
 537                                 (eeprom_data[i + 2] << 8) +
 538                                 (eeprom_data[i + 3] << 16) +
 539                                 (eeprom_data[i + 4] << 24);
 540                         tvee->revision =
 541                                 eeprom_data[i +5 ] +
 542                                 (eeprom_data[i + 6] << 8) +
 543                                 (eeprom_data[i + 7] << 16);
 544                         break;
 545
 546                 case 0x07:
 547                         /* tag 'Details': according to Hauppauge not interesting
 548                         on any PCI-era or later boards. */
 549                         break;
 550
 551                 /* there is no tag 0x08 defined */
 552
 553                 case 0x09:
 554                         /* tag 'Video' */
 555                         tvee->decoder_processor = eeprom_data[i + 1];
 556                         break;
 557
 558                 case 0x0a:
 559                         /* tag 'Tuner' */
 560                         if (beenhere == 0) {
 561                                 tuner1 = eeprom_data[i+2];
 562                                 t_format1 = eeprom_data[i+1];
 563                                 beenhere = 1;
 564                         } else {
 565                                 /* a second (radio) tuner may be present */
 566                                 tuner2 = eeprom_data[i+2];
 567                                 t_format2 = eeprom_data[i+1];
 568                                 if (t_format2 == 0) {  /* not a TV tuner? */
 569                                         tvee->has_radio = 1; /* must be radio */
 570                                 }
 571                         }
 572                         break;
 573
 574                 case 0x0b:
 575                         /* tag 'Inputs': according to Hauppauge this is specific
 576                         to each driver family, so no good assumptions can be
 577                         made. */
 578                         break;
 579
 580                 /* case 0x0c: tag 'Balun' */
 581                 /* case 0x0d: tag 'Teletext' */
 582
 583                 case 0x0e:
 584                         /* tag: 'Radio' */
 585                         tvee->has_radio = eeprom_data[i+1];
 586                         break;
 587
 588                 case 0x0f:
 589                         /* tag 'IRInfo' */
 590                         tvee->has_ir = eeprom_data[i+1];
 591                         break;
 592
 593                 /* case 0x10: tag 'VBIInfo' */
 594                 /* case 0x11: tag 'QCInfo' */
 595                 /* case 0x12: tag 'InfoBits' */
 596
 597                 default:
 598                         tveeprom_dbg("Not sure what to do with tag [%02x]\n", tag);
 599                         /* dump the rest of the packet? */
 600                 }
 601         }
 602
 603         if (!done) {
 604                 tveeprom_warn("Ran out of data!\n");
 605                 return;
 606         }
 607
 608         if (tvee->revision != 0) {
 609                 tvee->rev_str[0] = 32 + ((tvee->revision >> 18) & 0x3f);
 610                 tvee->rev_str[1] = 32 + ((tvee->revision >> 12) & 0x3f);
 611                 tvee->rev_str[2] = 32 + ((tvee->revision >>  6) & 0x3f);
 612                 tvee->rev_str[3] = 32 + ( tvee->revision        & 0x3f);
 613                 tvee->rev_str[4] = 0;
 614         }
 615
 616         if (hasRadioTuner(tuner1) && !tvee->has_radio) {
 617                 tveeprom_info("The eeprom says no radio is present, but the tuner type\n");
 618                 tveeprom_info("indicates otherwise. I will assume that radio is present.\n");
 619                 tvee->has_radio = 1;
 620         }
 621
 622         if (tuner1 < sizeof(hauppauge_tuner)/sizeof(struct HAUPPAUGE_TUNER)) {
 623                 tvee->tuner_type = hauppauge_tuner[tuner1].id;
 624                 t_name1 = hauppauge_tuner[tuner1].name;
 625         } else {
 626                 t_name1 = "unknown";
 627         }
 628
 629         if (tuner2 < sizeof(hauppauge_tuner)/sizeof(struct HAUPPAUGE_TUNER)) {
 630                 tvee->tuner2_type = hauppauge_tuner[tuner2].id;
 631                 t_name2 = hauppauge_tuner[tuner2].name;
 632         } else {
 633                 t_name2 = "unknown";
 634         }
 635
 636         tvee->tuner_hauppauge_model = tuner1;
 637         tvee->tuner2_hauppauge_model = tuner2;
 638         tvee->tuner_formats = 0;
 639         tvee->tuner2_formats = 0;
 640         for (i = j = 0; i < 8; i++) {
 641                 if (t_format1 & (1 << i)) {
 642                         tvee->tuner_formats |= hauppauge_tuner_fmt[i].id;
 643                         t_fmt_name1[j++] = hauppauge_tuner_fmt[i].name;
 644                 }
 645         }
 646         for (i = j = 0; i < 8; i++) {
 647                 if (t_format2 & (1 << i)) {
 648                         tvee->tuner2_formats |= hauppauge_tuner_fmt[i].id;
 649                         t_fmt_name2[j++] = hauppauge_tuner_fmt[i].name;
 650                 }
 651         }
 652
 653         tveeprom_info("Hauppauge model %d, rev %s, serial# %d\n",
 654                 tvee->model, tvee->rev_str, tvee->serial_number);
 655         if (tvee->has_MAC_address == 1) {
 656                 tveeprom_info("MAC address is %02X-%02X-%02X-%02X-%02X-%02X\n",
 657                         tvee->MAC_address[0], tvee->MAC_address[1],
 658                         tvee->MAC_address[2], tvee->MAC_address[3],
 659                         tvee->MAC_address[4], tvee->MAC_address[5]);
 660         }
 661         tveeprom_info("tuner model is %s (idx %d, type %d)\n",
 662                 t_name1, tuner1, tvee->tuner_type);
 663         tveeprom_info("TV standards%s%s%s%s%s%s%s%s (eeprom 0x%02x)\n",
 664                 t_fmt_name1[0], t_fmt_name1[1], t_fmt_name1[2], t_fmt_name1[3],
 665                 t_fmt_name1[4], t_fmt_name1[5], t_fmt_name1[6], t_fmt_name1[7],
 666                 t_format1);
 667         if (tuner2) {
 668                 tveeprom_info("second tuner model is %s (idx %d, type %d)\n",
 669                                         t_name2, tuner2, tvee->tuner2_type);
 670         }
 671         if (t_format2) {
 672                 tveeprom_info("TV standards%s%s%s%s%s%s%s%s (eeprom 0x%02x)\n",
 673                         t_fmt_name2[0], t_fmt_name2[1], t_fmt_name2[2], t_fmt_name2[3],
 674                         t_fmt_name2[4], t_fmt_name2[5], t_fmt_name2[6], t_fmt_name2[7],
 675                         t_format2);
 676         }
 677         if (audioic<0) {
 678                 tveeprom_info("audio processor is unknown (no idx)\n");
 679                 tvee->audio_processor=AUDIO_CHIP_UNKNOWN;
 680         } else {
 681                 if (audioic < ARRAY_SIZE(audioIC))
 682                         tveeprom_info("audio processor is %s (idx %d)\n",
 683                                         audioIC[audioic].name,audioic);
 684                 else
 685                         tveeprom_info("audio processor is unknown (idx %d)\n",
 686                                                                 audioic);
 687         }
 688         if (tvee->decoder_processor) {
 689                 tveeprom_info("decoder processor is %s (idx %d)\n",
 690                         STRM(decoderIC, tvee->decoder_processor),
 691                         tvee->decoder_processor);
 692         }
 693         if (tvee->has_ir == -1)
 694                 tveeprom_info("has %sradio\n",
 695                                 tvee->has_radio ? "" : "no ");
 696         else
 697                 tveeprom_info("has %sradio, has %sIR receiver, has %sIR transmitter\n",
 698                                 tvee->has_radio ? "" : "no ",
 699                                 (tvee->has_ir & 1) ? "" : "no ",
 700                                 (tvee->has_ir & 2) ? "" : "no ");
 701 }
 702 EXPORT_SYMBOL(tveeprom_hauppauge_analog);
 703
 704 /* ----------------------------------------------------------------------- */
 705 /* generic helper functions                                                */
 706
 707 int tveeprom_read(struct i2c_client *c, unsigned char *eedata, int len)
 708 {
 709         unsigned char buf;
 710         int err;
 711
 712         buf = 0;
 713         if (1 != (err = i2c_master_send(c, &buf, 1))) {
 714                 tveeprom_info("Huh, no eeprom present (err=%d)?\n", err);
 715                 return -1;
 716         }
 717         if (len != (err = i2c_master_recv(c, eedata, len))) {
 718                 tveeprom_warn("i2c eeprom read error (err=%d)\n", err);
 719                 return -1;
 720         }
 721         if (debug) {
 722                 int i;
 723
 724                 tveeprom_info("full 256-byte eeprom dump:\n");
 725                 for (i = 0; i < len; i++) {
 726                         if (0 == (i % 16))
 727                                 tveeprom_info("%02x:", i);
 728                         printk(" %02x", eedata[i]);
 729                         if (15 == (i % 16))
 730                                 printk("\n");
 731                 }
 732         }
 733         return 0;
 734 }
 735 EXPORT_SYMBOL(tveeprom_read);
 736
 737 /* ----------------------------------------------------------------------- */
 738 /* needed for ivtv.sf.net at the moment.  Should go away in the long       */
 739 /* run, just call the exported tveeprom_* directly, there is no point in   */
 740 /* using the indirect way via i2c_driver->command()                        */
 741
 742 static unsigned short normal_i2c[] = {
 743         0xa0 >> 1,
 744         I2C_CLIENT_END,
 745 };
 746
 747 I2C_CLIENT_INSMOD;
 748
 749 static struct i2c_driver i2c_driver_tveeprom;
 750
 751 static int
 752 tveeprom_command(struct i2c_client *client,
 753                  unsigned int       cmd,
 754                  void              *arg)
 755 {
 756         struct tveeprom eeprom;
 757         u32 *eeprom_props = arg;
 758         u8 *buf;
 759
 760         switch (cmd) {
 761         case 0:
 762                 buf = kzalloc(256,GFP_KERNEL);
 763                 tveeprom_read(client,buf,256);
 764                 tveeprom_hauppauge_analog(client, &eeprom,buf);
 765                 kfree(buf);
 766                 eeprom_props[0] = eeprom.tuner_type;
 767                 eeprom_props[1] = eeprom.tuner_formats;
 768                 eeprom_props[2] = eeprom.model;
 769                 eeprom_props[3] = eeprom.revision;
 770                 eeprom_props[4] = eeprom.has_radio;
 771                 break;
 772         default:
 773                 return -EINVAL;
 774         }
 775         return 0;
 776 }
 777
 778 static int
 779 tveeprom_detect_client(struct i2c_adapter *adapter,
 780                        int                 address,
 781                        int                 kind)
 782 {
 783         struct i2c_client *client;
 784
 785         client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
 786         if (NULL == client)
 787                 return -ENOMEM;
 788         client->addr = address;
 789         client->adapter = adapter;
 790         client->driver = &i2c_driver_tveeprom;
 791         snprintf(client->name, sizeof(client->name), "tveeprom");
 792         i2c_attach_client(client);
 793
 794         return 0;
 795 }
 796
 797 static int
 798 tveeprom_attach_adapter (struct i2c_adapter *adapter)
 799 {
 800         if (adapter->class & I2C_CLASS_TV_ANALOG)
 801                 return i2c_probe(adapter, &addr_data, tveeprom_detect_client);
 802         return 0;
 803 }
 804
 805 static int
 806 tveeprom_detach_client (struct i2c_client *client)
 807 {
 808         int err;
 809
 810         err = i2c_detach_client(client);
 811         if (err < 0)
 812                 return err;
 813         kfree(client);
 814         return 0;
 815 }
 816
 817 static struct i2c_driver i2c_driver_tveeprom = {
 818         .driver = {
 819                 .name   = "tveeprom",
 820         },
 821         .id             = I2C_DRIVERID_TVEEPROM,
 822         .attach_adapter = tveeprom_attach_adapter,
 823         .detach_client  = tveeprom_detach_client,
 824         .command        = tveeprom_command,
 825 };
 826
 827 static int __init tveeprom_init(void)
 828 {
 829         return i2c_add_driver(&i2c_driver_tveeprom);
 830 }
 831
 832 static void __exit tveeprom_exit(void)
 833 {
 834         i2c_del_driver(&i2c_driver_tveeprom);
 835 }
 836
 837 module_init(tveeprom_init);
 838 module_exit(tveeprom_exit);
 839
 840 /*
 841  * Local variables:
 842  * c-basic-offset: 8
 843  * End:
 844  */