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 = 2;
 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 == 2)
 657                 tveeprom_info("has %sradio\n",
 658                                 tvee->has_radio ? "" : "no ");
 659         else
 660                 tveeprom_info("has %sradio, has %sIR remote\n",
 661                                 tvee->has_radio ? "" : "no ",
 662                                 tvee->has_ir ? "" : "no ");
 663 }
 664 EXPORT_SYMBOL(tveeprom_hauppauge_analog);
 665
 666 /* ----------------------------------------------------------------------- */
 667 /* generic helper functions                                                */
 668
 669 int tveeprom_read(struct i2c_client *c, unsigned char *eedata, int len)
 670 {
 671         unsigned char buf;
 672         int err;
 673
 674         buf = 0;
 675         if (1 != (err = i2c_master_send(c, &buf, 1))) {
 676                 tveeprom_info("Huh, no eeprom present (err=%d)?\n", err);
 677                 return -1;
 678         }
 679         if (len != (err = i2c_master_recv(c, eedata, len))) {
 680                 tveeprom_warn("i2c eeprom read error (err=%d)\n", err);
 681                 return -1;
 682         }
 683         if (debug) {
 684                 int i;
 685
 686                 tveeprom_info("full 256-byte eeprom dump:\n");
 687                 for (i = 0; i < len; i++) {
 688                         if (0 == (i % 16))
 689                                 tveeprom_info("%02x:", i);
 690                         printk(" %02x", eedata[i]);
 691                         if (15 == (i % 16))
 692                                 printk("\n");
 693                 }
 694         }
 695         return 0;
 696 }
 697 EXPORT_SYMBOL(tveeprom_read);
 698
 699 /* ----------------------------------------------------------------------- */
 700 /* needed for ivtv.sf.net at the moment.  Should go away in the long       */
 701 /* run, just call the exported tveeprom_* directly, there is no point in   */
 702 /* using the indirect way via i2c_driver->command()                        */
 703
 704 static unsigned short normal_i2c[] = {
 705         0xa0 >> 1,
 706         I2C_CLIENT_END,
 707 };
 708
 709 I2C_CLIENT_INSMOD;
 710
 711 static struct i2c_driver i2c_driver_tveeprom;
 712
 713 static int
 714 tveeprom_command(struct i2c_client *client,
 715                  unsigned int       cmd,
 716                  void              *arg)
 717 {
 718         struct tveeprom eeprom;
 719         u32 *eeprom_props = arg;
 720         u8 *buf;
 721
 722         switch (cmd) {
 723         case 0:
 724                 buf = kzalloc(256,GFP_KERNEL);
 725                 tveeprom_read(client,buf,256);
 726                 tveeprom_hauppauge_analog(client, &eeprom,buf);
 727                 kfree(buf);
 728                 eeprom_props[0] = eeprom.tuner_type;
 729                 eeprom_props[1] = eeprom.tuner_formats;
 730                 eeprom_props[2] = eeprom.model;
 731                 eeprom_props[3] = eeprom.revision;
 732                 eeprom_props[4] = eeprom.has_radio;
 733                 break;
 734         default:
 735                 return -EINVAL;
 736         }
 737         return 0;
 738 }
 739
 740 static int
 741 tveeprom_detect_client(struct i2c_adapter *adapter,
 742                        int                 address,
 743                        int                 kind)
 744 {
 745         struct i2c_client *client;
 746
 747         client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
 748         if (NULL == client)
 749                 return -ENOMEM;
 750         client->addr = address;
 751         client->adapter = adapter;
 752         client->driver = &i2c_driver_tveeprom;
 753         snprintf(client->name, sizeof(client->name), "tveeprom");
 754         i2c_attach_client(client);
 755
 756         return 0;
 757 }
 758
 759 static int
 760 tveeprom_attach_adapter (struct i2c_adapter *adapter)
 761 {
 762         if (adapter->class & I2C_CLASS_TV_ANALOG)
 763                 return i2c_probe(adapter, &addr_data, tveeprom_detect_client);
 764         return 0;
 765 }
 766
 767 static int
 768 tveeprom_detach_client (struct i2c_client *client)
 769 {
 770         int err;
 771
 772         err = i2c_detach_client(client);
 773         if (err < 0)
 774                 return err;
 775         kfree(client);
 776         return 0;
 777 }
 778
 779 static struct i2c_driver i2c_driver_tveeprom = {
 780         .driver = {
 781                 .name   = "tveeprom",
 782         },
 783         .id             = I2C_DRIVERID_TVEEPROM,
 784         .attach_adapter = tveeprom_attach_adapter,
 785         .detach_client  = tveeprom_detach_client,
 786         .command        = tveeprom_command,
 787 };
 788
 789 static int __init tveeprom_init(void)
 790 {
 791         return i2c_add_driver(&i2c_driver_tveeprom);
 792 }
 793
 794 static void __exit tveeprom_exit(void)
 795 {
 796         i2c_del_driver(&i2c_driver_tveeprom);
 797 }
 798
 799 module_init(tveeprom_init);
 800 module_exit(tveeprom_exit);
 801
 802 /*
 803  * Local variables:
 804  * c-basic-offset: 8
 805  * End:
 806  */