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_ABSENT,        "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_ABSENT,        "Philips FQ1216LME MK3"},
 187         { TUNER_ABSENT,        "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 };
 233
 234 static struct HAUPPAUGE_AUDIOIC
 235 {
 236         enum audiochip  id;
 237         char *name;
 238 }
 239 audioIC[] =
 240 {
 241         /* 0-4 */
 242         {AUDIO_CHIP_NONE,     "None"},
 243         {AUDIO_CHIP_TEA6300,  "TEA6300"},
 244         {AUDIO_CHIP_TEA6300,  "TEA6320"},
 245         {AUDIO_CHIP_TDA985X,  "TDA9850"},
 246         {AUDIO_CHIP_MSP34XX,  "MSP3400C"},
 247         /* 5-9 */
 248         {AUDIO_CHIP_MSP34XX,  "MSP3410D"},
 249         {AUDIO_CHIP_MSP34XX,  "MSP3415"},
 250         {AUDIO_CHIP_MSP34XX,  "MSP3430"},
 251         {AUDIO_CHIP_MSP34XX,  "MSP3438"},
 252         {AUDIO_CHIP_UNKNOWN,  "CS5331"},
 253         /* 10-14 */
 254         {AUDIO_CHIP_MSP34XX,  "MSP3435"},
 255         {AUDIO_CHIP_MSP34XX,  "MSP3440"},
 256         {AUDIO_CHIP_MSP34XX,  "MSP3445"},
 257         {AUDIO_CHIP_MSP34XX,  "MSP3411"},
 258         {AUDIO_CHIP_MSP34XX,  "MSP3416"},
 259         /* 15-19 */
 260         {AUDIO_CHIP_MSP34XX,  "MSP3425"},
 261         {AUDIO_CHIP_MSP34XX,  "MSP3451"},
 262         {AUDIO_CHIP_MSP34XX,  "MSP3418"},
 263         {AUDIO_CHIP_UNKNOWN,  "Type 0x12"},
 264         {AUDIO_CHIP_UNKNOWN,  "OKI7716"},
 265         /* 20-24 */
 266         {AUDIO_CHIP_MSP34XX,  "MSP4410"},
 267         {AUDIO_CHIP_MSP34XX,  "MSP4420"},
 268         {AUDIO_CHIP_MSP34XX,  "MSP4440"},
 269         {AUDIO_CHIP_MSP34XX,  "MSP4450"},
 270         {AUDIO_CHIP_MSP34XX,  "MSP4408"},
 271         /* 25-29 */
 272         {AUDIO_CHIP_MSP34XX,  "MSP4418"},
 273         {AUDIO_CHIP_MSP34XX,  "MSP4428"},
 274         {AUDIO_CHIP_MSP34XX,  "MSP4448"},
 275         {AUDIO_CHIP_MSP34XX,  "MSP4458"},
 276         {AUDIO_CHIP_MSP34XX,  "Type 0x1d"},
 277         /* 30-34 */
 278         {AUDIO_CHIP_INTERNAL, "CX880"},
 279         {AUDIO_CHIP_INTERNAL, "CX881"},
 280         {AUDIO_CHIP_INTERNAL, "CX883"},
 281         {AUDIO_CHIP_INTERNAL, "CX882"},
 282         {AUDIO_CHIP_INTERNAL, "CX25840"},
 283         /* 35-38 */
 284         {AUDIO_CHIP_INTERNAL, "CX25841"},
 285         {AUDIO_CHIP_INTERNAL, "CX25842"},
 286         {AUDIO_CHIP_INTERNAL, "CX25843"},
 287         {AUDIO_CHIP_INTERNAL, "CX23418"},
 288 };
 289
 290 /* This list is supplied by Hauppauge. Thanks! */
 291 static const char *decoderIC[] = {
 292         /* 0-4 */
 293         "None", "BT815", "BT817", "BT819", "BT815A",
 294         /* 5-9 */
 295         "BT817A", "BT819A", "BT827", "BT829", "BT848",
 296         /* 10-14 */
 297         "BT848A", "BT849A", "BT829A", "BT827A", "BT878",
 298         /* 15-19 */
 299         "BT879", "BT880", "VPX3226E", "SAA7114", "SAA7115",
 300         /* 20-24 */
 301         "CX880", "CX881", "CX883", "SAA7111", "SAA7113",
 302         /* 25-29 */
 303         "CX882", "TVP5150A", "CX25840", "CX25841", "CX25842",
 304         /* 30-31 */
 305         "CX25843", "CX23418",
 306 };
 307
 308 static int hasRadioTuner(int tunerType)
 309 {
 310         switch (tunerType) {
 311                 case 18: //PNPEnv_TUNER_FR1236_MK2:
 312                 case 23: //PNPEnv_TUNER_FM1236:
 313                 case 38: //PNPEnv_TUNER_FMR1236:
 314                 case 16: //PNPEnv_TUNER_FR1216_MK2:
 315                 case 19: //PNPEnv_TUNER_FR1246_MK2:
 316                 case 21: //PNPEnv_TUNER_FM1216:
 317                 case 24: //PNPEnv_TUNER_FM1246:
 318                 case 17: //PNPEnv_TUNER_FR1216MF_MK2:
 319                 case 22: //PNPEnv_TUNER_FM1216MF:
 320                 case 20: //PNPEnv_TUNER_FR1256_MK2:
 321                 case 25: //PNPEnv_TUNER_FM1256:
 322                 case 33: //PNPEnv_TUNER_4039FR5:
 323                 case 42: //PNPEnv_TUNER_4009FR5:
 324                 case 52: //PNPEnv_TUNER_4049FM5:
 325                 case 54: //PNPEnv_TUNER_4049FM5_AltI2C:
 326                 case 44: //PNPEnv_TUNER_4009FN5:
 327                 case 31: //PNPEnv_TUNER_TCPB9085P:
 328                 case 30: //PNPEnv_TUNER_TCPN9085D:
 329                 case 46: //PNPEnv_TUNER_TP18NSR01F:
 330                 case 47: //PNPEnv_TUNER_TP18PSB01D:
 331                 case 49: //PNPEnv_TUNER_TAPC_I001D:
 332                 case 60: //PNPEnv_TUNER_TAPE_S001D_MK3:
 333                 case 57: //PNPEnv_TUNER_FM1216ME_MK3:
 334                 case 59: //PNPEnv_TUNER_FM1216MP_MK3:
 335                 case 58: //PNPEnv_TUNER_FM1236_MK3:
 336                 case 68: //PNPEnv_TUNER_TAPE_H001F_MK3:
 337                 case 61: //PNPEnv_TUNER_TAPE_M001D_MK3:
 338                 case 78: //PNPEnv_TUNER_TDA8275C1_8290_FM:
 339                 case 89: //PNPEnv_TUNER_TCL_MFPE05_2:
 340                 case 92: //PNPEnv_TUNER_PHILIPS_FQ1236A_MK4:
 341                 case 105:
 342                 return 1;
 343         }
 344         return 0;
 345 }
 346
 347 void tveeprom_hauppauge_analog(struct i2c_client *c, struct tveeprom *tvee,
 348                                 unsigned char *eeprom_data)
 349 {
 350         /* ----------------------------------------------
 351         ** The hauppauge eeprom format is tagged
 352         **
 353         ** if packet[0] == 0x84, then packet[0..1] == length
 354         ** else length = packet[0] & 3f;
 355         ** if packet[0] & f8 == f8, then EOD and packet[1] == checksum
 356         **
 357         ** In our (ivtv) case we're interested in the following:
 358         ** tuner type:   tag [00].05 or [0a].01 (index into hauppauge_tuner)
 359         ** tuner fmts:   tag [00].04 or [0a].00 (bitmask index into hauppauge_tuner_fmt)
 360         ** radio:        tag [00].{last} or [0e].00  (bitmask.  bit2=FM)
 361         ** audio proc:   tag [02].01 or [05].00 (mask with 0x7f)
 362         ** decoder proc: tag [09].01)
 363
 364         ** Fun info:
 365         ** model:      tag [00].07-08 or [06].00-01
 366         ** revision:   tag [00].09-0b or [06].04-06
 367         ** serial#:    tag [01].05-07 or [04].04-06
 368
 369         ** # of inputs/outputs ???
 370         */
 371
 372         int i, j, len, done, beenhere, tag,start;
 373
 374         int tuner1 = 0, t_format1 = 0, audioic=-1;
 375         char *t_name1 = NULL;
 376         const char *t_fmt_name1[8] = { " none", "", "", "", "", "", "", "" };
 377
 378         int tuner2 = 0, t_format2 = 0;
 379         char *t_name2 = NULL;
 380         const char *t_fmt_name2[8] = { " none", "", "", "", "", "", "", "" };
 381
 382         memset(tvee, 0, sizeof(*tvee));
 383         done = len = beenhere = 0;
 384
 385         /* Hack for processing eeprom for em28xx and cx 2388x*/
 386         if ((eeprom_data[0] == 0x1a) && (eeprom_data[1] == 0xeb) &&
 387                         (eeprom_data[2] == 0x67) && (eeprom_data[3] == 0x95))
 388                 start=0xa0; /* Generic em28xx offset */
 389         else if (((eeprom_data[0] & 0xe1) == 0x01) &&
 390                                         (eeprom_data[1] == 0x00) &&
 391                                         (eeprom_data[2] == 0x00) &&
 392                                         (eeprom_data[8] == 0x84))
 393                 start=8; /* Generic cx2388x offset */
 394         else
 395                 start=0;
 396
 397         for (i = start; !done && i < 256; i += len) {
 398                 if (eeprom_data[i] == 0x84) {
 399                         len = eeprom_data[i + 1] + (eeprom_data[i + 2] << 8);
 400                         i += 3;
 401                 } else if ((eeprom_data[i] & 0xf0) == 0x70) {
 402                         if (eeprom_data[i] & 0x08) {
 403                                 /* verify checksum! */
 404                                 done = 1;
 405                                 break;
 406                         }
 407                         len = eeprom_data[i] & 0x07;
 408                         ++i;
 409                 } else {
 410                         tveeprom_warn("Encountered bad packet header [%02x]. "
 411                                 "Corrupt or not a Hauppauge eeprom.\n", eeprom_data[i]);
 412                         return;
 413                 }
 414
 415                 if (debug) {
 416                         tveeprom_info("Tag [%02x] + %d bytes:", eeprom_data[i], len - 1);
 417                         for(j = 1; j < len; j++) {
 418                                 printk(" %02x", eeprom_data[i + j]);
 419                         }
 420                         printk("\n");
 421                 }
 422
 423                 /* process by tag */
 424                 tag = eeprom_data[i];
 425                 switch (tag) {
 426                 case 0x00:
 427                         /* tag: 'Comprehensive' */
 428                         tuner1 = eeprom_data[i+6];
 429                         t_format1 = eeprom_data[i+5];
 430                         tvee->has_radio = eeprom_data[i+len-1];
 431                         /* old style tag, don't know how to detect
 432                         IR presence, mark as unknown. */
 433                         tvee->has_ir = -1;
 434                         tvee->model =
 435                                 eeprom_data[i+8] +
 436                                 (eeprom_data[i+9] << 8);
 437                         tvee->revision = eeprom_data[i+10] +
 438                                 (eeprom_data[i+11] << 8) +
 439                                 (eeprom_data[i+12] << 16);
 440                         break;
 441
 442                 case 0x01:
 443                         /* tag: 'SerialID' */
 444                         tvee->serial_number =
 445                                 eeprom_data[i+6] +
 446                                 (eeprom_data[i+7] << 8) +
 447                                 (eeprom_data[i+8] << 16);
 448                         break;
 449
 450                 case 0x02:
 451                         /* tag 'AudioInfo'
 452                         Note mask with 0x7F, high bit used on some older models
 453                         to indicate 4052 mux was removed in favor of using MSP
 454                         inputs directly. */
 455                         audioic = eeprom_data[i+2] & 0x7f;
 456                         if (audioic < sizeof(audioIC)/sizeof(*audioIC))
 457                                 tvee->audio_processor = audioIC[audioic].id;
 458                         else
 459                                 tvee->audio_processor = AUDIO_CHIP_UNKNOWN;
 460                         break;
 461
 462                 /* case 0x03: tag 'EEInfo' */
 463
 464                 case 0x04:
 465                         /* tag 'SerialID2' */
 466                         tvee->serial_number =
 467                                 eeprom_data[i+5] +
 468                                 (eeprom_data[i+6] << 8) +
 469                                 (eeprom_data[i+7] << 16);
 470
 471                                 if ( (eeprom_data[i + 8] & 0xf0) &&
 472                                         (tvee->serial_number < 0xffffff) ) {
 473                                         tvee->MAC_address[0] = 0x00;
 474                                         tvee->MAC_address[1] = 0x0D;
 475                                         tvee->MAC_address[2] = 0xFE;
 476                                         tvee->MAC_address[3] = eeprom_data[i + 7];
 477                                         tvee->MAC_address[4] = eeprom_data[i + 6];
 478                                         tvee->MAC_address[5] = eeprom_data[i + 5];
 479                                         tvee->has_MAC_address = 1;
 480                                 }
 481                         break;
 482
 483                 case 0x05:
 484                         /* tag 'Audio2'
 485                         Note mask with 0x7F, high bit used on some older models
 486                         to indicate 4052 mux was removed in favor of using MSP
 487                         inputs directly. */
 488                         audioic = eeprom_data[i+1] & 0x7f;
 489                         if (audioic < sizeof(audioIC)/sizeof(*audioIC))
 490                                 tvee->audio_processor = audioIC[audioic].id;
 491                         else
 492                                 tvee->audio_processor = AUDIO_CHIP_UNKNOWN;
 493
 494                         break;
 495
 496                 case 0x06:
 497                         /* tag 'ModelRev' */
 498                         tvee->model =
 499                                 eeprom_data[i + 1] +
 500                                 (eeprom_data[i + 2] << 8) +
 501                                 (eeprom_data[i + 3] << 16) +
 502                                 (eeprom_data[i + 4] << 24);
 503                         tvee->revision =
 504                                 eeprom_data[i +5 ] +
 505                                 (eeprom_data[i + 6] << 8) +
 506                                 (eeprom_data[i + 7] << 16);
 507                         break;
 508
 509                 case 0x07:
 510                         /* tag 'Details': according to Hauppauge not interesting
 511                         on any PCI-era or later boards. */
 512                         break;
 513
 514                 /* there is no tag 0x08 defined */
 515
 516                 case 0x09:
 517                         /* tag 'Video' */
 518                         tvee->decoder_processor = eeprom_data[i + 1];
 519                         break;
 520
 521                 case 0x0a:
 522                         /* tag 'Tuner' */
 523                         if (beenhere == 0) {
 524                                 tuner1 = eeprom_data[i+2];
 525                                 t_format1 = eeprom_data[i+1];
 526                                 beenhere = 1;
 527                         } else {
 528                                 /* a second (radio) tuner may be present */
 529                                 tuner2 = eeprom_data[i+2];
 530                                 t_format2 = eeprom_data[i+1];
 531                                 if (t_format2 == 0) {  /* not a TV tuner? */
 532                                         tvee->has_radio = 1; /* must be radio */
 533                                 }
 534                         }
 535                         break;
 536
 537                 case 0x0b:
 538                         /* tag 'Inputs': according to Hauppauge this is specific
 539                         to each driver family, so no good assumptions can be
 540                         made. */
 541                         break;
 542
 543                 /* case 0x0c: tag 'Balun' */
 544                 /* case 0x0d: tag 'Teletext' */
 545
 546                 case 0x0e:
 547                         /* tag: 'Radio' */
 548                         tvee->has_radio = eeprom_data[i+1];
 549                         break;
 550
 551                 case 0x0f:
 552                         /* tag 'IRInfo' */
 553                         tvee->has_ir = eeprom_data[i+1];
 554                         break;
 555
 556                 /* case 0x10: tag 'VBIInfo' */
 557                 /* case 0x11: tag 'QCInfo' */
 558                 /* case 0x12: tag 'InfoBits' */
 559
 560                 default:
 561                         tveeprom_dbg("Not sure what to do with tag [%02x]\n", tag);
 562                         /* dump the rest of the packet? */
 563                 }
 564         }
 565
 566         if (!done) {
 567                 tveeprom_warn("Ran out of data!\n");
 568                 return;
 569         }
 570
 571         if (tvee->revision != 0) {
 572                 tvee->rev_str[0] = 32 + ((tvee->revision >> 18) & 0x3f);
 573                 tvee->rev_str[1] = 32 + ((tvee->revision >> 12) & 0x3f);
 574                 tvee->rev_str[2] = 32 + ((tvee->revision >>  6) & 0x3f);
 575                 tvee->rev_str[3] = 32 + ( tvee->revision        & 0x3f);
 576                 tvee->rev_str[4] = 0;
 577         }
 578
 579         if (hasRadioTuner(tuner1) && !tvee->has_radio) {
 580                 tveeprom_info("The eeprom says no radio is present, but the tuner type\n");
 581                 tveeprom_info("indicates otherwise. I will assume that radio is present.\n");
 582                 tvee->has_radio = 1;
 583         }
 584
 585         if (tuner1 < sizeof(hauppauge_tuner)/sizeof(struct HAUPPAUGE_TUNER)) {
 586                 tvee->tuner_type = hauppauge_tuner[tuner1].id;
 587                 t_name1 = hauppauge_tuner[tuner1].name;
 588         } else {
 589                 t_name1 = "unknown";
 590         }
 591
 592         if (tuner2 < sizeof(hauppauge_tuner)/sizeof(struct HAUPPAUGE_TUNER)) {
 593                 tvee->tuner2_type = hauppauge_tuner[tuner2].id;
 594                 t_name2 = hauppauge_tuner[tuner2].name;
 595         } else {
 596                 t_name2 = "unknown";
 597         }
 598
 599         tvee->tuner_hauppauge_model = tuner1;
 600         tvee->tuner2_hauppauge_model = tuner2;
 601         tvee->tuner_formats = 0;
 602         tvee->tuner2_formats = 0;
 603         for (i = j = 0; i < 8; i++) {
 604                 if (t_format1 & (1 << i)) {
 605                         tvee->tuner_formats |= hauppauge_tuner_fmt[i].id;
 606                         t_fmt_name1[j++] = hauppauge_tuner_fmt[i].name;
 607                 }
 608         }
 609         for (i = j = 0; i < 8; i++) {
 610                 if (t_format2 & (1 << i)) {
 611                         tvee->tuner2_formats |= hauppauge_tuner_fmt[i].id;
 612                         t_fmt_name2[j++] = hauppauge_tuner_fmt[i].name;
 613                 }
 614         }
 615
 616         tveeprom_info("Hauppauge model %d, rev %s, serial# %d\n",
 617                 tvee->model, tvee->rev_str, tvee->serial_number);
 618         if (tvee->has_MAC_address == 1) {
 619                 tveeprom_info("MAC address is %02X-%02X-%02X-%02X-%02X-%02X\n",
 620                         tvee->MAC_address[0], tvee->MAC_address[1],
 621                         tvee->MAC_address[2], tvee->MAC_address[3],
 622                         tvee->MAC_address[4], tvee->MAC_address[5]);
 623         }
 624         tveeprom_info("tuner model is %s (idx %d, type %d)\n",
 625                 t_name1, tuner1, tvee->tuner_type);
 626         tveeprom_info("TV standards%s%s%s%s%s%s%s%s (eeprom 0x%02x)\n",
 627                 t_fmt_name1[0], t_fmt_name1[1], t_fmt_name1[2], t_fmt_name1[3],
 628                 t_fmt_name1[4], t_fmt_name1[5], t_fmt_name1[6], t_fmt_name1[7],
 629                 t_format1);
 630         if (tuner2) {
 631                 tveeprom_info("second tuner model is %s (idx %d, type %d)\n",
 632                                         t_name2, tuner2, tvee->tuner2_type);
 633         }
 634         if (t_format2) {
 635                 tveeprom_info("TV standards%s%s%s%s%s%s%s%s (eeprom 0x%02x)\n",
 636                         t_fmt_name2[0], t_fmt_name2[1], t_fmt_name2[2], t_fmt_name2[3],
 637                         t_fmt_name2[4], t_fmt_name2[5], t_fmt_name2[6], t_fmt_name2[7],
 638                         t_format2);
 639         }
 640         if (audioic<0) {
 641                 tveeprom_info("audio processor is unknown (no idx)\n");
 642                 tvee->audio_processor=AUDIO_CHIP_UNKNOWN;
 643         } else {
 644                 if (audioic < sizeof(audioIC)/sizeof(*audioIC))
 645                         tveeprom_info("audio processor is %s (idx %d)\n",
 646                                         audioIC[audioic].name,audioic);
 647                 else
 648                         tveeprom_info("audio processor is unknown (idx %d)\n",
 649                                                                 audioic);
 650         }
 651         if (tvee->decoder_processor) {
 652                 tveeprom_info("decoder processor is %s (idx %d)\n",
 653                         STRM(decoderIC, tvee->decoder_processor),
 654                         tvee->decoder_processor);
 655         }
 656         if (tvee->has_ir == -1)
 657                 tveeprom_info("has %sradio\n",
 658                                 tvee->has_radio ? "" : "no ");
 659         else
 660                 tveeprom_info("has %sradio, has %sIR receiver, has %sIR transmitter\n",
 661                                 tvee->has_radio ? "" : "no ",
 662                                 (tvee->has_ir & 1) ? "" : "no ",
 663                                 (tvee->has_ir & 2) ? "" : "no ");
 664 }
 665 EXPORT_SYMBOL(tveeprom_hauppauge_analog);
 666
 667 /* ----------------------------------------------------------------------- */
 668 /* generic helper functions                                                */
 669
 670 int tveeprom_read(struct i2c_client *c, unsigned char *eedata, int len)
 671 {
 672         unsigned char buf;
 673         int err;
 674
 675         buf = 0;
 676         if (1 != (err = i2c_master_send(c, &buf, 1))) {
 677                 tveeprom_info("Huh, no eeprom present (err=%d)?\n", err);
 678                 return -1;
 679         }
 680         if (len != (err = i2c_master_recv(c, eedata, len))) {
 681                 tveeprom_warn("i2c eeprom read error (err=%d)\n", err);
 682                 return -1;
 683         }
 684         if (debug) {
 685                 int i;
 686
 687                 tveeprom_info("full 256-byte eeprom dump:\n");
 688                 for (i = 0; i < len; i++) {
 689                         if (0 == (i % 16))
 690                                 tveeprom_info("%02x:", i);
 691                         printk(" %02x", eedata[i]);
 692                         if (15 == (i % 16))
 693                                 printk("\n");
 694                 }
 695         }
 696         return 0;
 697 }
 698 EXPORT_SYMBOL(tveeprom_read);
 699
 700 /* ----------------------------------------------------------------------- */
 701 /* needed for ivtv.sf.net at the moment.  Should go away in the long       */
 702 /* run, just call the exported tveeprom_* directly, there is no point in   */
 703 /* using the indirect way via i2c_driver->command()                        */
 704
 705 static unsigned short normal_i2c[] = {
 706         0xa0 >> 1,
 707         I2C_CLIENT_END,
 708 };
 709
 710 I2C_CLIENT_INSMOD;
 711
 712 static struct i2c_driver i2c_driver_tveeprom;
 713
 714 static int
 715 tveeprom_command(struct i2c_client *client,
 716                  unsigned int       cmd,
 717                  void              *arg)
 718 {
 719         struct tveeprom eeprom;
 720         u32 *eeprom_props = arg;
 721         u8 *buf;
 722
 723         switch (cmd) {
 724         case 0:
 725                 buf = kzalloc(256,GFP_KERNEL);
 726                 tveeprom_read(client,buf,256);
 727                 tveeprom_hauppauge_analog(client, &eeprom,buf);
 728                 kfree(buf);
 729                 eeprom_props[0] = eeprom.tuner_type;
 730                 eeprom_props[1] = eeprom.tuner_formats;
 731                 eeprom_props[2] = eeprom.model;
 732                 eeprom_props[3] = eeprom.revision;
 733                 eeprom_props[4] = eeprom.has_radio;
 734                 break;
 735         default:
 736                 return -EINVAL;
 737         }
 738         return 0;
 739 }
 740
 741 static int
 742 tveeprom_detect_client(struct i2c_adapter *adapter,
 743                        int                 address,
 744                        int                 kind)
 745 {
 746         struct i2c_client *client;
 747
 748         client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
 749         if (NULL == client)
 750                 return -ENOMEM;
 751         client->addr = address;
 752         client->adapter = adapter;
 753         client->driver = &i2c_driver_tveeprom;
 754         snprintf(client->name, sizeof(client->name), "tveeprom");
 755         i2c_attach_client(client);
 756
 757         return 0;
 758 }
 759
 760 static int
 761 tveeprom_attach_adapter (struct i2c_adapter *adapter)
 762 {
 763         if (adapter->class & I2C_CLASS_TV_ANALOG)
 764                 return i2c_probe(adapter, &addr_data, tveeprom_detect_client);
 765         return 0;
 766 }
 767
 768 static int
 769 tveeprom_detach_client (struct i2c_client *client)
 770 {
 771         int err;
 772
 773         err = i2c_detach_client(client);
 774         if (err < 0)
 775                 return err;
 776         kfree(client);
 777         return 0;
 778 }
 779
 780 static struct i2c_driver i2c_driver_tveeprom = {
 781         .driver = {
 782                 .name   = "tveeprom",
 783         },
 784         .id             = I2C_DRIVERID_TVEEPROM,
 785         .attach_adapter = tveeprom_attach_adapter,
 786         .detach_client  = tveeprom_detach_client,
 787         .command        = tveeprom_command,
 788 };
 789
 790 static int __init tveeprom_init(void)
 791 {
 792         return i2c_add_driver(&i2c_driver_tveeprom);
 793 }
 794
 795 static void __exit tveeprom_exit(void)
 796 {
 797         i2c_del_driver(&i2c_driver_tveeprom);
 798 }
 799
 800 module_init(tveeprom_init);
 801 module_exit(tveeprom_exit);
 802
 803 /*
 804  * Local variables:
 805  * c-basic-offset: 8
 806  * End:
 807  */