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