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/errno.h>
  34 #include <linux/kernel.h>
  35 #include <linux/init.h>
  36 #include <linux/types.h>
  37 #include <linux/videodev.h>
  38 #include <linux/i2c.h>
  39
  40 #include <media/tuner.h>
  41 #include <media/tveeprom.h>
  42 #include <media/v4l2-common.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;
  50 module_param(debug, int, 0644);
  51 MODULE_PARM_DESC(debug, "Debug level (0-1)");
  52
  53 #define STRM(array, i) \
  54         (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", \
  63                                 c->adapter, c->addr, fmt , ## arg); \
  64         } while (0)
  65
  66 /*
  67  * The Hauppauge eeprom uses an 8bit field to determine which
  68  * tuner formats the tuner supports.
  69  */
  70 static struct HAUPPAUGE_TUNER_FMT
  71 {
  72         int     id;
  73         char *name;
  74 }
  75 hauppauge_tuner_fmt[] =
  76 {
  77         { V4L2_STD_UNKNOWN,                   " UNKNOWN" },
  78         { V4L2_STD_UNKNOWN,                   " FM" },
  79         { V4L2_STD_B|V4L2_STD_GH,             " PAL(B/G)" },
  80         { V4L2_STD_MN,                        " NTSC(M)" },
  81         { V4L2_STD_PAL_I,                     " PAL(I)" },
  82         { V4L2_STD_SECAM_L|V4L2_STD_SECAM_LC, " SECAM(L/L')" },
  83         { V4L2_STD_DK,                        " PAL(D/D1/K)" },
  84         { V4L2_STD_ATSC,                      " 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_PHILIPS_FM1216ME_MK3,   "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_PHILIPS_FM1216ME_MK3,   "Philips FQ1216LME MK3"},
 188         { TUNER_LG_PAL_NEW_TAPC,        "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_SAMSUNG_TCPN_2121P30A,  "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_SAMSUNG_TCPG_6121P30A,  "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_TCL_2002N,              "TCL M2523_5N_E"},
 223         { TUNER_TCL_2002MB,             "TCL M2523_3DB_E"},
 224         { TUNER_ABSENT,                 "Philips 8275A"},
 225         { TUNER_ABSENT,                 "Microtune MT2060"},
 226         { TUNER_PHILIPS_FM1236_MK3,     "Philips FM1236 MK5"},
 227         { TUNER_PHILIPS_FM1216ME_MK3,   "Philips FM1216ME MK5"},
 228         { TUNER_ABSENT,                 "TCL M2523_3DI_E"},
 229         { TUNER_ABSENT,                 "Samsung THPD5222FG30A"},
 230         /* 120-129 */
 231         { TUNER_XC2028,                 "Xceive XC3028"},
 232         { TUNER_ABSENT,                 "Philips FQ1216LME MK5"},
 233         { TUNER_ABSENT,                 "Philips FQD1216LME"},
 234         { TUNER_ABSENT,                 "Conexant CX24118A"},
 235         { TUNER_ABSENT,                 "TCL DMF11WIP"},
 236         { TUNER_ABSENT,                 "TCL MFNM05_4H_E"},
 237         { TUNER_ABSENT,                 "TCL MNM05_4H_E"},
 238         { TUNER_ABSENT,                 "TCL MPE05_2H_E"},
 239         { TUNER_ABSENT,                 "TCL MQNM05_4_U"},
 240         { TUNER_ABSENT,                 "TCL M2523_5NH_E"},
 241         /* 130-139 */
 242         { TUNER_ABSENT,                 "TCL M2523_3DBH_E"},
 243         { TUNER_ABSENT,                 "TCL M2523_3DIH_E"},
 244         { TUNER_ABSENT,                 "TCL MFPE05_2_U"},
 245         { TUNER_ABSENT,                 "Philips FMD1216MEX"},
 246         { TUNER_ABSENT,                 "Philips FRH2036B"},
 247         { TUNER_ABSENT,                 "Panasonic ENGF75_01GF"},
 248         { TUNER_ABSENT,                 "MaxLinear MXL5005"},
 249         { TUNER_ABSENT,                 "MaxLinear MXL5003"},
 250         { TUNER_ABSENT,                 "Xceive XC2028"},
 251         { TUNER_ABSENT,                 "Microtune MT2131"},
 252         /* 140-149 */
 253         { TUNER_ABSENT,                 "Philips 8275A_8295"},
 254         { TUNER_ABSENT,                 "TCL MF02GIP_5N_E"},
 255         { TUNER_ABSENT,                 "TCL MF02GIP_3DB_E"},
 256         { TUNER_ABSENT,                 "TCL MF02GIP_3DI_E"},
 257         { TUNER_ABSENT,                 "Microtune MT2266"},
 258         { TUNER_ABSENT,                 "TCL MF10WPP_4N_E"},
 259         { TUNER_ABSENT,                 "LG TAPQ_H702F"},
 260         { TUNER_ABSENT,                 "TCL M09WPP_4N_E"},
 261         { TUNER_ABSENT,                 "MaxLinear MXL5005_v2"},
 262         { TUNER_PHILIPS_TDA8290,        "Philips 18271_8295"},
 263         /* 150-159 */
 264         { TUNER_ABSENT,        "Xceive XC5000"},
 265 };
 266
 267 static struct HAUPPAUGE_AUDIOIC
 268 {
 269         enum audiochip  id;
 270         char *name;
 271 }
 272 audioIC[] =
 273 {
 274         /* 0-4 */
 275         {AUDIO_CHIP_NONE,     "None"},
 276         {AUDIO_CHIP_TEA6300,  "TEA6300"},
 277         {AUDIO_CHIP_TEA6300,  "TEA6320"},
 278         {AUDIO_CHIP_TDA985X,  "TDA9850"},
 279         {AUDIO_CHIP_MSP34XX,  "MSP3400C"},
 280         /* 5-9 */
 281         {AUDIO_CHIP_MSP34XX,  "MSP3410D"},
 282         {AUDIO_CHIP_MSP34XX,  "MSP3415"},
 283         {AUDIO_CHIP_MSP34XX,  "MSP3430"},
 284         {AUDIO_CHIP_MSP34XX,  "MSP3438"},
 285         {AUDIO_CHIP_UNKNOWN,  "CS5331"},
 286         /* 10-14 */
 287         {AUDIO_CHIP_MSP34XX,  "MSP3435"},
 288         {AUDIO_CHIP_MSP34XX,  "MSP3440"},
 289         {AUDIO_CHIP_MSP34XX,  "MSP3445"},
 290         {AUDIO_CHIP_MSP34XX,  "MSP3411"},
 291         {AUDIO_CHIP_MSP34XX,  "MSP3416"},
 292         /* 15-19 */
 293         {AUDIO_CHIP_MSP34XX,  "MSP3425"},
 294         {AUDIO_CHIP_MSP34XX,  "MSP3451"},
 295         {AUDIO_CHIP_MSP34XX,  "MSP3418"},
 296         {AUDIO_CHIP_UNKNOWN,  "Type 0x12"},
 297         {AUDIO_CHIP_UNKNOWN,  "OKI7716"},
 298         /* 20-24 */
 299         {AUDIO_CHIP_MSP34XX,  "MSP4410"},
 300         {AUDIO_CHIP_MSP34XX,  "MSP4420"},
 301         {AUDIO_CHIP_MSP34XX,  "MSP4440"},
 302         {AUDIO_CHIP_MSP34XX,  "MSP4450"},
 303         {AUDIO_CHIP_MSP34XX,  "MSP4408"},
 304         /* 25-29 */
 305         {AUDIO_CHIP_MSP34XX,  "MSP4418"},
 306         {AUDIO_CHIP_MSP34XX,  "MSP4428"},
 307         {AUDIO_CHIP_MSP34XX,  "MSP4448"},
 308         {AUDIO_CHIP_MSP34XX,  "MSP4458"},
 309         {AUDIO_CHIP_MSP34XX,  "Type 0x1d"},
 310         /* 30-34 */
 311         {AUDIO_CHIP_INTERNAL, "CX880"},
 312         {AUDIO_CHIP_INTERNAL, "CX881"},
 313         {AUDIO_CHIP_INTERNAL, "CX883"},
 314         {AUDIO_CHIP_INTERNAL, "CX882"},
 315         {AUDIO_CHIP_INTERNAL, "CX25840"},
 316         /* 35-39 */
 317         {AUDIO_CHIP_INTERNAL, "CX25841"},
 318         {AUDIO_CHIP_INTERNAL, "CX25842"},
 319         {AUDIO_CHIP_INTERNAL, "CX25843"},
 320         {AUDIO_CHIP_INTERNAL, "CX23418"},
 321         {AUDIO_CHIP_INTERNAL, "CX23885"},
 322         /* 40-42 */
 323         {AUDIO_CHIP_INTERNAL, "CX23888"},
 324         {AUDIO_CHIP_INTERNAL, "SAA7131"},
 325         {AUDIO_CHIP_INTERNAL, "CX23887"},
 326 };
 327
 328 /* This list is supplied by Hauppauge. Thanks! */
 329 static const char *decoderIC[] = {
 330         /* 0-4 */
 331         "None", "BT815", "BT817", "BT819", "BT815A",
 332         /* 5-9 */
 333         "BT817A", "BT819A", "BT827", "BT829", "BT848",
 334         /* 10-14 */
 335         "BT848A", "BT849A", "BT829A", "BT827A", "BT878",
 336         /* 15-19 */
 337         "BT879", "BT880", "VPX3226E", "SAA7114", "SAA7115",
 338         /* 20-24 */
 339         "CX880", "CX881", "CX883", "SAA7111", "SAA7113",
 340         /* 25-29 */
 341         "CX882", "TVP5150A", "CX25840", "CX25841", "CX25842",
 342         /* 30-34 */
 343         "CX25843", "CX23418", "NEC61153", "CX23885", "CX23888",
 344         /* 35-37 */
 345         "SAA7131", "CX25837", "CX23887"
 346 };
 347
 348 static int hasRadioTuner(int tunerType)
 349 {
 350         switch (tunerType) {
 351         case 18: /* PNPEnv_TUNER_FR1236_MK2 */
 352         case 23: /* PNPEnv_TUNER_FM1236 */
 353         case 38: /* PNPEnv_TUNER_FMR1236 */
 354         case 16: /* PNPEnv_TUNER_FR1216_MK2 */
 355         case 19: /* PNPEnv_TUNER_FR1246_MK2 */
 356         case 21: /* PNPEnv_TUNER_FM1216 */
 357         case 24: /* PNPEnv_TUNER_FM1246 */
 358         case 17: /* PNPEnv_TUNER_FR1216MF_MK2 */
 359         case 22: /* PNPEnv_TUNER_FM1216MF */
 360         case 20: /* PNPEnv_TUNER_FR1256_MK2 */
 361         case 25: /* PNPEnv_TUNER_FM1256 */
 362         case 33: /* PNPEnv_TUNER_4039FR5 */
 363         case 42: /* PNPEnv_TUNER_4009FR5 */
 364         case 52: /* PNPEnv_TUNER_4049FM5 */
 365         case 54: /* PNPEnv_TUNER_4049FM5_AltI2C */
 366         case 44: /* PNPEnv_TUNER_4009FN5 */
 367         case 31: /* PNPEnv_TUNER_TCPB9085P */
 368         case 30: /* PNPEnv_TUNER_TCPN9085D */
 369         case 46: /* PNPEnv_TUNER_TP18NSR01F */
 370         case 47: /* PNPEnv_TUNER_TP18PSB01D */
 371         case 49: /* PNPEnv_TUNER_TAPC_I001D */
 372         case 60: /* PNPEnv_TUNER_TAPE_S001D_MK3 */
 373         case 57: /* PNPEnv_TUNER_FM1216ME_MK3 */
 374         case 59: /* PNPEnv_TUNER_FM1216MP_MK3 */
 375         case 58: /* PNPEnv_TUNER_FM1236_MK3 */
 376         case 68: /* PNPEnv_TUNER_TAPE_H001F_MK3 */
 377         case 61: /* PNPEnv_TUNER_TAPE_M001D_MK3 */
 378         case 78: /* PNPEnv_TUNER_TDA8275C1_8290_FM */
 379         case 89: /* PNPEnv_TUNER_TCL_MFPE05_2 */
 380         case 92: /* PNPEnv_TUNER_PHILIPS_FQ1236A_MK4 */
 381         case 105:
 382                 return 1;
 383         }
 384         return 0;
 385 }
 386
 387 void tveeprom_hauppauge_analog(struct i2c_client *c, struct tveeprom *tvee,
 388                                 unsigned char *eeprom_data)
 389 {
 390         /* ----------------------------------------------
 391         ** The hauppauge eeprom format is tagged
 392         **
 393         ** if packet[0] == 0x84, then packet[0..1] == length
 394         ** else length = packet[0] & 3f;
 395         ** if packet[0] & f8 == f8, then EOD and packet[1] == checksum
 396         **
 397         ** In our (ivtv) case we're interested in the following:
 398         ** tuner type:   tag [00].05 or [0a].01 (index into hauppauge_tuner)
 399         ** tuner fmts:   tag [00].04 or [0a].00 (bitmask index into
 400         **               hauppauge_tuner_fmt)
 401         ** radio:        tag [00].{last} or [0e].00  (bitmask.  bit2=FM)
 402         ** audio proc:   tag [02].01 or [05].00 (mask with 0x7f)
 403         ** decoder proc: tag [09].01)
 404
 405         ** Fun info:
 406         ** model:      tag [00].07-08 or [06].00-01
 407         ** revision:   tag [00].09-0b or [06].04-06
 408         ** serial#:    tag [01].05-07 or [04].04-06
 409
 410         ** # of inputs/outputs ???
 411         */
 412
 413         int i, j, len, done, beenhere, tag, start;
 414
 415         int tuner1 = 0, t_format1 = 0, audioic = -1;
 416         char *t_name1 = NULL;
 417         const char *t_fmt_name1[8] = { " none", "", "", "", "", "", "", "" };
 418
 419         int tuner2 = 0, t_format2 = 0;
 420         char *t_name2 = NULL;
 421         const char *t_fmt_name2[8] = { " none", "", "", "", "", "", "", "" };
 422
 423         memset(tvee, 0, sizeof(*tvee));
 424         done = len = beenhere = 0;
 425
 426         /* Different eeprom start offsets for em28xx, cx2388x and cx23418 */
 427         if (eeprom_data[0] == 0x1a &&
 428             eeprom_data[1] == 0xeb &&
 429             eeprom_data[2] == 0x67 &&
 430             eeprom_data[3] == 0x95)
 431                 start = 0xa0; /* Generic em28xx offset */
 432         else if ((eeprom_data[0] & 0xe1) == 0x01 &&
 433                  eeprom_data[1] == 0x00 &&
 434                  eeprom_data[2] == 0x00 &&
 435                  eeprom_data[8] == 0x84)
 436                 start = 8; /* Generic cx2388x offset */
 437         else if (eeprom_data[1] == 0x70 &&
 438                  eeprom_data[2] == 0x00 &&
 439                  eeprom_data[4] == 0x74 &&
 440                  eeprom_data[8] == 0x84)
 441                 start = 8; /* Generic cx23418 offset (models 74xxx) */
 442         else
 443                 start = 0;
 444
 445         for (i = start; !done && i < 256; i += len) {
 446                 if (eeprom_data[i] == 0x84) {
 447                         len = eeprom_data[i + 1] + (eeprom_data[i + 2] << 8);
 448                         i += 3;
 449                 } else if ((eeprom_data[i] & 0xf0) == 0x70) {
 450                         if (eeprom_data[i] & 0x08) {
 451                                 /* verify checksum! */
 452                                 done = 1;
 453                                 break;
 454                         }
 455                         len = eeprom_data[i] & 0x07;
 456                         ++i;
 457                 } else {
 458                         tveeprom_warn("Encountered bad packet header [%02x]. "
 459                                 "Corrupt or not a Hauppauge eeprom.\n",
 460                                 eeprom_data[i]);
 461                         return;
 462                 }
 463
 464                 if (debug) {
 465                         tveeprom_info("Tag [%02x] + %d bytes:",
 466                                         eeprom_data[i], len - 1);
 467                         for (j = 1; j < len; j++)
 468                                 printk(KERN_CONT " %02x", eeprom_data[i + j]);
 469                         printk(KERN_CONT "\n");
 470                 }
 471
 472                 /* process by tag */
 473                 tag = eeprom_data[i];
 474                 switch (tag) {
 475                 case 0x00:
 476                         /* tag: 'Comprehensive' */
 477                         tuner1 = eeprom_data[i+6];
 478                         t_format1 = eeprom_data[i+5];
 479                         tvee->has_radio = eeprom_data[i+len-1];
 480                         /* old style tag, don't know how to detect
 481                         IR presence, mark as unknown. */
 482                         tvee->has_ir = -1;
 483                         tvee->model =
 484                                 eeprom_data[i+8] +
 485                                 (eeprom_data[i+9] << 8);
 486                         tvee->revision = eeprom_data[i+10] +
 487                                 (eeprom_data[i+11] << 8) +
 488                                 (eeprom_data[i+12] << 16);
 489                         break;
 490
 491                 case 0x01:
 492                         /* tag: 'SerialID' */
 493                         tvee->serial_number =
 494                                 eeprom_data[i+6] +
 495                                 (eeprom_data[i+7] << 8) +
 496                                 (eeprom_data[i+8] << 16);
 497                         break;
 498
 499                 case 0x02:
 500                         /* tag 'AudioInfo'
 501                         Note mask with 0x7F, high bit used on some older models
 502                         to indicate 4052 mux was removed in favor of using MSP
 503                         inputs directly. */
 504                         audioic = eeprom_data[i+2] & 0x7f;
 505                         if (audioic < ARRAY_SIZE(audioIC))
 506                                 tvee->audio_processor = audioIC[audioic].id;
 507                         else
 508                                 tvee->audio_processor = AUDIO_CHIP_UNKNOWN;
 509                         break;
 510
 511                 /* case 0x03: tag 'EEInfo' */
 512
 513                 case 0x04:
 514                         /* tag 'SerialID2' */
 515                         tvee->serial_number =
 516                                 eeprom_data[i+5] +
 517                                 (eeprom_data[i+6] << 8) +
 518                                 (eeprom_data[i+7] << 16);
 519
 520                         if ((eeprom_data[i + 8] & 0xf0) &&
 521                                         (tvee->serial_number < 0xffffff)) {
 522                                 tvee->MAC_address[0] = 0x00;
 523                                 tvee->MAC_address[1] = 0x0D;
 524                                 tvee->MAC_address[2] = 0xFE;
 525                                 tvee->MAC_address[3] = eeprom_data[i + 7];
 526                                 tvee->MAC_address[4] = eeprom_data[i + 6];
 527                                 tvee->MAC_address[5] = eeprom_data[i + 5];
 528                                 tvee->has_MAC_address = 1;
 529                         }
 530                         break;
 531
 532                 case 0x05:
 533                         /* tag 'Audio2'
 534                         Note mask with 0x7F, high bit used on some older models
 535                         to indicate 4052 mux was removed in favor of using MSP
 536                         inputs directly. */
 537                         audioic = eeprom_data[i+1] & 0x7f;
 538                         if (audioic < ARRAY_SIZE(audioIC))
 539                                 tvee->audio_processor = audioIC[audioic].id;
 540                         else
 541                                 tvee->audio_processor = AUDIO_CHIP_UNKNOWN;
 542
 543                         break;
 544
 545                 case 0x06:
 546                         /* tag 'ModelRev' */
 547                         tvee->model =
 548                                 eeprom_data[i + 1] +
 549                                 (eeprom_data[i + 2] << 8) +
 550                                 (eeprom_data[i + 3] << 16) +
 551                                 (eeprom_data[i + 4] << 24);
 552                         tvee->revision =
 553                                 eeprom_data[i + 5] +
 554                                 (eeprom_data[i + 6] << 8) +
 555                                 (eeprom_data[i + 7] << 16);
 556                         break;
 557
 558                 case 0x07:
 559                         /* tag 'Details': according to Hauppauge not interesting
 560                         on any PCI-era or later boards. */
 561                         break;
 562
 563                 /* there is no tag 0x08 defined */
 564
 565                 case 0x09:
 566                         /* tag 'Video' */
 567                         tvee->decoder_processor = eeprom_data[i + 1];
 568                         break;
 569
 570                 case 0x0a:
 571                         /* tag 'Tuner' */
 572                         if (beenhere == 0) {
 573                                 tuner1 = eeprom_data[i + 2];
 574                                 t_format1 = eeprom_data[i + 1];
 575                                 beenhere = 1;
 576                         } else {
 577                                 /* a second (radio) tuner may be present */
 578                                 tuner2 = eeprom_data[i + 2];
 579                                 t_format2 = eeprom_data[i + 1];
 580                                 /* not a TV tuner? */
 581                                 if (t_format2 == 0)
 582                                         tvee->has_radio = 1; /* must be radio */
 583                         }
 584                         break;
 585
 586                 case 0x0b:
 587                         /* tag 'Inputs': according to Hauppauge this is specific
 588                         to each driver family, so no good assumptions can be
 589                         made. */
 590                         break;
 591
 592                 /* case 0x0c: tag 'Balun' */
 593                 /* case 0x0d: tag 'Teletext' */
 594
 595                 case 0x0e:
 596                         /* tag: 'Radio' */
 597                         tvee->has_radio = eeprom_data[i+1];
 598                         break;
 599
 600                 case 0x0f:
 601                         /* tag 'IRInfo' */
 602                         tvee->has_ir = eeprom_data[i+1];
 603                         break;
 604
 605                 /* case 0x10: tag 'VBIInfo' */
 606                 /* case 0x11: tag 'QCInfo' */
 607                 /* case 0x12: tag 'InfoBits' */
 608
 609                 default:
 610                         tveeprom_dbg("Not sure what to do with tag [%02x]\n",
 611                                         tag);
 612                         /* dump the rest of the packet? */
 613                 }
 614         }
 615
 616         if (!done) {
 617                 tveeprom_warn("Ran out of data!\n");
 618                 return;
 619         }
 620
 621         if (tvee->revision != 0) {
 622                 tvee->rev_str[0] = 32 + ((tvee->revision >> 18) & 0x3f);
 623                 tvee->rev_str[1] = 32 + ((tvee->revision >> 12) & 0x3f);
 624                 tvee->rev_str[2] = 32 + ((tvee->revision >>  6) & 0x3f);
 625                 tvee->rev_str[3] = 32 + (tvee->revision & 0x3f);
 626                 tvee->rev_str[4] = 0;
 627         }
 628
 629         if (hasRadioTuner(tuner1) && !tvee->has_radio) {
 630                 tveeprom_info("The eeprom says no radio is present, but the tuner type\n");
 631                 tveeprom_info("indicates otherwise. I will assume that radio is present.\n");
 632                 tvee->has_radio = 1;
 633         }
 634
 635         if (tuner1 < sizeof(hauppauge_tuner)/sizeof(struct HAUPPAUGE_TUNER)) {
 636                 tvee->tuner_type = hauppauge_tuner[tuner1].id;
 637                 t_name1 = hauppauge_tuner[tuner1].name;
 638         } else {
 639                 t_name1 = "unknown";
 640         }
 641
 642         if (tuner2 < sizeof(hauppauge_tuner)/sizeof(struct HAUPPAUGE_TUNER)) {
 643                 tvee->tuner2_type = hauppauge_tuner[tuner2].id;
 644                 t_name2 = hauppauge_tuner[tuner2].name;
 645         } else {
 646                 t_name2 = "unknown";
 647         }
 648
 649         tvee->tuner_hauppauge_model = tuner1;
 650         tvee->tuner2_hauppauge_model = tuner2;
 651         tvee->tuner_formats = 0;
 652         tvee->tuner2_formats = 0;
 653         for (i = j = 0; i < 8; i++) {
 654                 if (t_format1 & (1 << i)) {
 655                         tvee->tuner_formats |= hauppauge_tuner_fmt[i].id;
 656                         t_fmt_name1[j++] = hauppauge_tuner_fmt[i].name;
 657                 }
 658         }
 659         for (i = j = 0; i < 8; i++) {
 660                 if (t_format2 & (1 << i)) {
 661                         tvee->tuner2_formats |= hauppauge_tuner_fmt[i].id;
 662                         t_fmt_name2[j++] = hauppauge_tuner_fmt[i].name;
 663                 }
 664         }
 665
 666         tveeprom_info("Hauppauge model %d, rev %s, serial# %d\n",
 667                 tvee->model, tvee->rev_str, tvee->serial_number);
 668         if (tvee->has_MAC_address == 1)
 669                 tveeprom_info("MAC address is %02X-%02X-%02X-%02X-%02X-%02X\n",
 670                         tvee->MAC_address[0], tvee->MAC_address[1],
 671                         tvee->MAC_address[2], tvee->MAC_address[3],
 672                         tvee->MAC_address[4], tvee->MAC_address[5]);
 673         tveeprom_info("tuner model is %s (idx %d, type %d)\n",
 674                 t_name1, tuner1, tvee->tuner_type);
 675         tveeprom_info("TV standards%s%s%s%s%s%s%s%s (eeprom 0x%02x)\n",
 676                 t_fmt_name1[0], t_fmt_name1[1], t_fmt_name1[2],
 677                 t_fmt_name1[3], t_fmt_name1[4], t_fmt_name1[5],
 678                 t_fmt_name1[6], t_fmt_name1[7], t_format1);
 679         if (tuner2)
 680                 tveeprom_info("second tuner model is %s (idx %d, type %d)\n",
 681                                         t_name2, tuner2, tvee->tuner2_type);
 682         if (t_format2)
 683                 tveeprom_info("TV standards%s%s%s%s%s%s%s%s (eeprom 0x%02x)\n",
 684                         t_fmt_name2[0], t_fmt_name2[1], t_fmt_name2[2],
 685                         t_fmt_name2[3], t_fmt_name2[4], t_fmt_name2[5],
 686                         t_fmt_name2[6], t_fmt_name2[7], t_format2);
 687         if (audioic < 0) {
 688                 tveeprom_info("audio processor is unknown (no idx)\n");
 689                 tvee->audio_processor = AUDIO_CHIP_UNKNOWN;
 690         } else {
 691                 if (audioic < ARRAY_SIZE(audioIC))
 692                         tveeprom_info("audio processor is %s (idx %d)\n",
 693                                         audioIC[audioic].name, audioic);
 694                 else
 695                         tveeprom_info("audio processor is unknown (idx %d)\n",
 696                                                                 audioic);
 697         }
 698         if (tvee->decoder_processor)
 699                 tveeprom_info("decoder processor is %s (idx %d)\n",
 700                         STRM(decoderIC, tvee->decoder_processor),
 701                         tvee->decoder_processor);
 702         if (tvee->has_ir == -1)
 703                 tveeprom_info("has %sradio\n",
 704                                 tvee->has_radio ? "" : "no ");
 705         else
 706                 tveeprom_info("has %sradio, has %sIR receiver, has %sIR transmitter\n",
 707                                 tvee->has_radio ? "" : "no ",
 708                                 (tvee->has_ir & 1) ? "" : "no ",
 709                                 (tvee->has_ir & 2) ? "" : "no ");
 710 }
 711 EXPORT_SYMBOL(tveeprom_hauppauge_analog);
 712
 713 /* ----------------------------------------------------------------------- */
 714 /* generic helper functions                                                */
 715
 716 int tveeprom_read(struct i2c_client *c, unsigned char *eedata, int len)
 717 {
 718         unsigned char buf;
 719         int err;
 720
 721         buf = 0;
 722         err = i2c_master_send(c, &buf, 1);
 723         if (err != 1) {
 724                 tveeprom_info("Huh, no eeprom present (err=%d)?\n", err);
 725                 return -1;
 726         }
 727         err = i2c_master_recv(c, eedata, len);
 728         if (err != len) {
 729                 tveeprom_warn("i2c eeprom read error (err=%d)\n", err);
 730                 return -1;
 731         }
 732         if (debug) {
 733                 int i;
 734
 735                 tveeprom_info("full 256-byte eeprom dump:\n");
 736                 for (i = 0; i < len; i++) {
 737                         if (0 == (i % 16))
 738                                 tveeprom_info("%02x:", i);
 739                         printk(KERN_CONT " %02x", eedata[i]);
 740                         if (15 == (i % 16))
 741                                 printk(KERN_CONT "\n");
 742                 }
 743         }
 744         return 0;
 745 }
 746 EXPORT_SYMBOL(tveeprom_read);
 747
 748 /* ----------------------------------------------------------------------- */
 749 /* needed for ivtv.sf.net at the moment.  Should go away in the long       */
 750 /* run, just call the exported tveeprom_* directly, there is no point in   */
 751 /* using the indirect way via i2c_driver->command()                        */
 752
 753 static unsigned short normal_i2c[] = {
 754         0xa0 >> 1,
 755         I2C_CLIENT_END,
 756 };
 757
 758 I2C_CLIENT_INSMOD;
 759
 760 static struct i2c_driver i2c_driver_tveeprom;
 761
 762 static int
 763 tveeprom_command(struct i2c_client *client,
 764                  unsigned int       cmd,
 765                  void              *arg)
 766 {
 767         struct tveeprom eeprom;
 768         u32 *eeprom_props = arg;
 769         u8 *buf;
 770
 771         switch (cmd) {
 772         case 0:
 773                 buf = kzalloc(256, GFP_KERNEL);
 774                 tveeprom_read(client, buf, 256);
 775                 tveeprom_hauppauge_analog(client, &eeprom, buf);
 776                 kfree(buf);
 777                 eeprom_props[0] = eeprom.tuner_type;
 778                 eeprom_props[1] = eeprom.tuner_formats;
 779                 eeprom_props[2] = eeprom.model;
 780                 eeprom_props[3] = eeprom.revision;
 781                 eeprom_props[4] = eeprom.has_radio;
 782                 break;
 783         default:
 784                 return -EINVAL;
 785         }
 786         return 0;
 787 }
 788
 789 static int
 790 tveeprom_detect_client(struct i2c_adapter *adapter,
 791                        int                 address,
 792                        int                 kind)
 793 {
 794         struct i2c_client *client;
 795
 796         client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
 797         if (NULL == client)
 798                 return -ENOMEM;
 799         client->addr = address;
 800         client->adapter = adapter;
 801         client->driver = &i2c_driver_tveeprom;
 802         snprintf(client->name, sizeof(client->name), "tveeprom");
 803         i2c_attach_client(client);
 804
 805         return 0;
 806 }
 807
 808 static int
 809 tveeprom_attach_adapter(struct i2c_adapter *adapter)
 810 {
 811         if (adapter->class & I2C_CLASS_TV_ANALOG)
 812                 return i2c_probe(adapter, &addr_data, tveeprom_detect_client);
 813         return 0;
 814 }
 815
 816 static int
 817 tveeprom_detach_client(struct i2c_client *client)
 818 {
 819         int err;
 820
 821         err = i2c_detach_client(client);
 822         if (err < 0)
 823                 return err;
 824         kfree(client);
 825         return 0;
 826 }
 827
 828 static struct i2c_driver i2c_driver_tveeprom = {
 829         .driver = {
 830                 .name   = "tveeprom",
 831         },
 832         .id             = I2C_DRIVERID_TVEEPROM,
 833         .attach_adapter = tveeprom_attach_adapter,
 834         .detach_client  = tveeprom_detach_client,
 835         .command        = tveeprom_command,
 836 };
 837
 838 static int __init tveeprom_init(void)
 839 {
 840         return i2c_add_driver(&i2c_driver_tveeprom);
 841 }
 842
 843 static void __exit tveeprom_exit(void)
 844 {
 845         i2c_del_driver(&i2c_driver_tveeprom);
 846 }
 847
 848 module_init(tveeprom_init);
 849 module_exit(tveeprom_exit);
 850
 851 /*
 852  * Local variables:
 853  * c-basic-offset: 8
 854  * End:
 855  */