err.no Git - linux-2.6/blob - drivers/media/video/tda9887.c

   1 #include <linux/module.h>
   2 #include <linux/moduleparam.h>
   3 #include <linux/kernel.h>
   4 #include <linux/i2c.h>
   5 #include <linux/types.h>
   6 #include <linux/videodev.h>
   7 #include <linux/init.h>
   8 #include <linux/errno.h>
   9 #include <linux/slab.h>
  10 #include <linux/delay.h>
  11
  12 #include <media/audiochip.h>
  13 #include <media/tuner.h>
  14
  15
  16 /* Chips:
  17    TDA9885 (PAL, NTSC)
  18    TDA9886 (PAL, SECAM, NTSC)
  19    TDA9887 (PAL, SECAM, NTSC, FM Radio)
  20
  21    found on:
  22    - Pinnacle PCTV (Jul.2002 Version with MT2032, bttv)
  23       TDA9887 (world), TDA9885 (USA)
  24       Note: OP2 of tda988x must be set to 1, else MT2032 is disabled!
  25    - KNC One TV-Station RDS (saa7134)
  26    - Hauppauge PVR-150/500 (possibly more)
  27 */
  28
  29
  30 /* Addresses to scan */
  31 static unsigned short normal_i2c[] = {
  32         0x84 >>1,
  33         0x86 >>1,
  34         0x96 >>1,
  35         I2C_CLIENT_END,
  36 };
  37 I2C_CLIENT_INSMOD;
  38
  39 /* insmod options */
  40 static unsigned int debug = 0;
  41 module_param(debug, int, 0644);
  42 MODULE_LICENSE("GPL");
  43
  44 /* ---------------------------------------------------------------------- */
  45
  46 #define UNSET       (-1U)
  47 #define tda9887_info(fmt, arg...) do {\
  48         printk(KERN_INFO "%s %d-%04x: " fmt, t->client.name, \
  49                         i2c_adapter_id(t->client.adapter), t->client.addr , ##arg); } while (0)
  50 #define tda9887_dbg(fmt, arg...) do {\
  51         if (debug) \
  52                 printk(KERN_INFO "%s %d-%04x: " fmt, t->client.name, \
  53                         i2c_adapter_id(t->client.adapter), t->client.addr , ##arg); } while (0)
  54
  55 struct tda9887 {
  56         struct i2c_client  client;
  57         v4l2_std_id        std;
  58         enum tuner_mode    mode;
  59         unsigned int       config;
  60         unsigned int       using_v4l2;
  61         unsigned int       radio_mode;
  62         unsigned char      data[4];
  63 };
  64
  65 struct tvnorm {
  66         v4l2_std_id       std;
  67         char              *name;
  68         unsigned char     b;
  69         unsigned char     c;
  70         unsigned char     e;
  71 };
  72
  73 static struct i2c_driver driver;
  74 static struct i2c_client client_template;
  75
  76 /* ---------------------------------------------------------------------- */
  77
  78 //
  79 // TDA defines
  80 //
  81
  82 //// first reg (b)
  83 #define cVideoTrapBypassOFF     0x00    // bit b0
  84 #define cVideoTrapBypassON      0x01    // bit b0
  85
  86 #define cAutoMuteFmInactive     0x00    // bit b1
  87 #define cAutoMuteFmActive       0x02    // bit b1
  88
  89 #define cIntercarrier           0x00    // bit b2
  90 #define cQSS                    0x04    // bit b2
  91
  92 #define cPositiveAmTV           0x00    // bit b3:4
  93 #define cFmRadio                0x08    // bit b3:4
  94 #define cNegativeFmTV           0x10    // bit b3:4
  95
  96
  97 #define cForcedMuteAudioON      0x20    // bit b5
  98 #define cForcedMuteAudioOFF     0x00    // bit b5
  99
 100 #define cOutputPort1Active      0x00    // bit b6
 101 #define cOutputPort1Inactive    0x40    // bit b6
 102
 103 #define cOutputPort2Active      0x00    // bit b7
 104 #define cOutputPort2Inactive    0x80    // bit b7
 105
 106
 107 //// second reg (c)
 108 #define cDeemphasisOFF          0x00    // bit c5
 109 #define cDeemphasisON           0x20    // bit c5
 110
 111 #define cDeemphasis75           0x00    // bit c6
 112 #define cDeemphasis50           0x40    // bit c6
 113
 114 #define cAudioGain0             0x00    // bit c7
 115 #define cAudioGain6             0x80    // bit c7
 116
 117
 118 //// third reg (e)
 119 #define cAudioIF_4_5             0x00    // bit e0:1
 120 #define cAudioIF_5_5             0x01    // bit e0:1
 121 #define cAudioIF_6_0             0x02    // bit e0:1
 122 #define cAudioIF_6_5             0x03    // bit e0:1
 123
 124
 125 #define cVideoIF_58_75           0x00    // bit e2:4
 126 #define cVideoIF_45_75           0x04    // bit e2:4
 127 #define cVideoIF_38_90           0x08    // bit e2:4
 128 #define cVideoIF_38_00           0x0C    // bit e2:4
 129 #define cVideoIF_33_90           0x10    // bit e2:4
 130 #define cVideoIF_33_40           0x14    // bit e2:4
 131 #define cRadioIF_45_75           0x18    // bit e2:4
 132 #define cRadioIF_38_90           0x1C    // bit e2:4
 133
 134
 135 #define cTunerGainNormal         0x00    // bit e5
 136 #define cTunerGainLow            0x20    // bit e5
 137
 138 #define cGating_18               0x00    // bit e6
 139 #define cGating_36               0x40    // bit e6
 140
 141 #define cAgcOutON                0x80    // bit e7
 142 #define cAgcOutOFF               0x00    // bit e7
 143
 144 /* ---------------------------------------------------------------------- */
 145
 146 static struct tvnorm tvnorms[] = {
 147         {
 148                 .std   = V4L2_STD_PAL_BG,
 149                 .name  = "PAL-BG",
 150                 .b     = ( cNegativeFmTV  |
 151                            cQSS           ),
 152                 .c     = ( cDeemphasisON  |
 153                            cDeemphasis50  ),
 154                 .e     = ( cAudioIF_5_5   |
 155                            cVideoIF_38_90 ),
 156         },{
 157                 .std   = V4L2_STD_PAL_I,
 158                 .name  = "PAL-I",
 159                 .b     = ( cNegativeFmTV  |
 160                            cQSS           ),
 161                 .c     = ( cDeemphasisON  |
 162                            cDeemphasis50  ),
 163                 .e     = ( cAudioIF_6_0   |
 164                            cVideoIF_38_90 ),
 165         },{
 166                 .std   = V4L2_STD_PAL_DK,
 167                 .name  = "PAL-DK",
 168                 .b     = ( cNegativeFmTV  |
 169                            cQSS           ),
 170                 .c     = ( cDeemphasisON  |
 171                            cDeemphasis50  ),
 172                 .e     = ( cAudioIF_6_5   |
 173                            cVideoIF_38_00 ),
 174         },{
 175                 .std   = V4L2_STD_PAL_M | V4L2_STD_PAL_N,
 176                 .name  = "PAL-M/N",
 177                 .b     = ( cNegativeFmTV  |
 178                            cQSS           ),
 179                 .c     = ( cDeemphasisON  |
 180                            cDeemphasis75  ),
 181                 .e     = ( cAudioIF_4_5   |
 182                            cVideoIF_45_75 ),
 183         },{
 184                 .std   = V4L2_STD_SECAM_L,
 185                 .name  = "SECAM-L",
 186                 .b     = ( cPositiveAmTV  |
 187                            cQSS           ),
 188                 .e     = ( cGating_36     |
 189                            cAudioIF_6_5   |
 190                            cVideoIF_38_90 ),
 191         },{
 192                 .std   = V4L2_STD_SECAM_LC,
 193                 .name  = "SECAM-L'",
 194                 .b     = ( cOutputPort2Inactive |
 195                            cPositiveAmTV  |
 196                            cQSS           ),
 197                 .e     = ( cGating_36     |
 198                            cAudioIF_6_5   |
 199                            cVideoIF_33_90 ),
 200         },{
 201                 .std   = V4L2_STD_SECAM_DK,
 202                 .name  = "SECAM-DK",
 203                 .b     = ( cNegativeFmTV  |
 204                            cQSS           ),
 205                 .c     = ( cDeemphasisON  |
 206                            cDeemphasis50  ),
 207                 .e     = ( cAudioIF_6_5   |
 208                            cVideoIF_38_00 ),
 209         },{
 210                 .std   = V4L2_STD_NTSC_M,
 211                 .name  = "NTSC-M",
 212                 .b     = ( cNegativeFmTV  |
 213                            cQSS           ),
 214                 .c     = ( cDeemphasisON  |
 215                            cDeemphasis75  ),
 216                 .e     = ( cGating_36     |
 217                            cAudioIF_4_5   |
 218                            cVideoIF_45_75 ),
 219         },{
 220                 .std   = V4L2_STD_NTSC_M_JP,
 221                 .name  = "NTSC-JP",
 222                 .b     = ( cNegativeFmTV  |
 223                            cQSS           ),
 224                 .c     = ( cDeemphasisON  |
 225                            cDeemphasis50  ),
 226                 .e     = ( cGating_36     |
 227                            cAudioIF_4_5   |
 228                            cVideoIF_58_75 ),
 229         }
 230 };
 231
 232 static struct tvnorm radio_stereo = {
 233         .name = "Radio Stereo",
 234         .b    = ( cFmRadio       |
 235                   cQSS           ),
 236         .c    = ( cDeemphasisOFF |
 237                   cAudioGain6 ),
 238         .e    = ( cAudioIF_5_5   |
 239                   cRadioIF_38_90 ),
 240 };
 241
 242 static struct tvnorm radio_mono = {
 243         .name = "Radio Mono",
 244         .b    = ( cFmRadio       |
 245                   cQSS           ),
 246         .c    = ( cDeemphasisON  |
 247                   cDeemphasis50),
 248         .e    = ( cAudioIF_5_5   |
 249                   cRadioIF_38_90 ),
 250 };
 251
 252 /* ---------------------------------------------------------------------- */
 253
 254 static void dump_read_message(struct tda9887 *t, unsigned char *buf)
 255 {
 256         static char *afc[16] = {
 257                 "- 12.5 kHz",
 258                 "- 37.5 kHz",
 259                 "- 62.5 kHz",
 260                 "- 87.5 kHz",
 261                 "-112.5 kHz",
 262                 "-137.5 kHz",
 263                 "-162.5 kHz",
 264                 "-187.5 kHz [min]",
 265                 "+187.5 kHz [max]",
 266                 "+162.5 kHz",
 267                 "+137.5 kHz",
 268                 "+112.5 kHz",
 269                 "+ 87.5 kHz",
 270                 "+ 62.5 kHz",
 271                 "+ 37.5 kHz",
 272                 "+ 12.5 kHz",
 273         };
 274         tda9887_info("read: 0x%2x\n", buf[0]);
 275         tda9887_info("  after power on : %s\n", (buf[0] & 0x01) ? "yes" : "no");
 276         tda9887_info("  afc            : %s\n", afc[(buf[0] >> 1) & 0x0f]);
 277         tda9887_info("  fmif level     : %s\n", (buf[0] & 0x20) ? "high" : "low");
 278         tda9887_info("  afc window     : %s\n", (buf[0] & 0x40) ? "in" : "out");
 279         tda9887_info("  vfi level      : %s\n", (buf[0] & 0x80) ? "high" : "low");
 280 }
 281
 282 static void dump_write_message(struct tda9887 *t, unsigned char *buf)
 283 {
 284         static char *sound[4] = {
 285                 "AM/TV",
 286                 "FM/radio",
 287                 "FM/TV",
 288                 "FM/radio"
 289         };
 290         static char *adjust[32] = {
 291                 "-16", "-15", "-14", "-13", "-12", "-11", "-10", "-9",
 292                 "-8",  "-7",  "-6",  "-5",  "-4",  "-3",  "-2",  "-1",
 293                 "0",   "+1",  "+2",  "+3",  "+4",  "+5",  "+6",  "+7",
 294                 "+8",  "+9",  "+10", "+11", "+12", "+13", "+14", "+15"
 295         };
 296         static char *deemph[4] = {
 297                 "no", "no", "75", "50"
 298         };
 299         static char *carrier[4] = {
 300                 "4.5 MHz",
 301                 "5.5 MHz",
 302                 "6.0 MHz",
 303                 "6.5 MHz / AM"
 304         };
 305         static char *vif[8] = {
 306                 "58.75 MHz",
 307                 "45.75 MHz",
 308                 "38.9 MHz",
 309                 "38.0 MHz",
 310                 "33.9 MHz",
 311                 "33.4 MHz",
 312                 "45.75 MHz + pin13",
 313                 "38.9 MHz + pin13",
 314         };
 315         static char *rif[4] = {
 316                 "44 MHz",
 317                 "52 MHz",
 318                 "52 MHz",
 319                 "44 MHz",
 320         };
 321
 322         tda9887_info("write: byte B 0x%02x\n",buf[1]);
 323         tda9887_info("  B0   video mode      : %s\n",
 324                (buf[1] & 0x01) ? "video trap" : "sound trap");
 325         tda9887_info("  B1   auto mute fm    : %s\n",
 326                (buf[1] & 0x02) ? "yes" : "no");
 327         tda9887_info("  B2   carrier mode    : %s\n",
 328                (buf[1] & 0x04) ? "QSS" : "Intercarrier");
 329         tda9887_info("  B3-4 tv sound/radio  : %s\n",
 330                sound[(buf[1] & 0x18) >> 3]);
 331         tda9887_info("  B5   force mute audio: %s\n",
 332                (buf[1] & 0x20) ? "yes" : "no");
 333         tda9887_info("  B6   output port 1   : %s\n",
 334                (buf[1] & 0x40) ? "high (inactive)" : "low (active)");
 335         tda9887_info("  B7   output port 2   : %s\n",
 336                (buf[1] & 0x80) ? "high (inactive)" : "low (active)");
 337
 338         tda9887_info("write: byte C 0x%02x\n",buf[2]);
 339         tda9887_info("  C0-4 top adjustment  : %s dB\n", adjust[buf[2] & 0x1f]);
 340         tda9887_info("  C5-6 de-emphasis     : %s\n", deemph[(buf[2] & 0x60) >> 5]);
 341         tda9887_info("  C7   audio gain      : %s\n",
 342                (buf[2] & 0x80) ? "-6" : "0");
 343
 344         tda9887_info("write: byte E 0x%02x\n",buf[3]);
 345         tda9887_info("  E0-1 sound carrier   : %s\n",
 346                carrier[(buf[3] & 0x03)]);
 347         tda9887_info("  E6   l pll gating   : %s\n",
 348                (buf[3] & 0x40) ? "36" : "13");
 349
 350         if (buf[1] & 0x08) {
 351                 /* radio */
 352                 tda9887_info("  E2-4 video if        : %s\n",
 353                        rif[(buf[3] & 0x0c) >> 2]);
 354                 tda9887_info("  E7   vif agc output  : %s\n",
 355                        (buf[3] & 0x80)
 356                        ? ((buf[3] & 0x10) ? "fm-agc radio" : "sif-agc radio")
 357                        : "fm radio carrier afc");
 358         } else {
 359                 /* video */
 360                 tda9887_info("  E2-4 video if        : %s\n",
 361                        vif[(buf[3] & 0x1c) >> 2]);
 362                 tda9887_info("  E5   tuner gain      : %s\n",
 363                        (buf[3] & 0x80)
 364                        ? ((buf[3] & 0x20) ? "external" : "normal")
 365                        : ((buf[3] & 0x20) ? "minimum"  : "normal"));
 366                 tda9887_info("  E7   vif agc output  : %s\n",
 367                        (buf[3] & 0x80)
 368                        ? ((buf[3] & 0x20)
 369                           ? "pin3 port, pin22 vif agc out"
 370                           : "pin22 port, pin3 vif acg ext in")
 371                        : "pin3+pin22 port");
 372         }
 373         tda9887_info("--\n");
 374 }
 375
 376 /* ---------------------------------------------------------------------- */
 377
 378 static int tda9887_set_tvnorm(struct tda9887 *t, char *buf)
 379 {
 380         struct tvnorm *norm = NULL;
 381         int i;
 382
 383         if (t->mode == T_RADIO) {
 384                 if (t->radio_mode == V4L2_TUNER_MODE_MONO)
 385                         norm = &radio_mono;
 386                 else
 387                         norm = &radio_stereo;
 388         } else {
 389                 for (i = 0; i < ARRAY_SIZE(tvnorms); i++) {
 390                         if (tvnorms[i].std & t->std) {
 391                                 norm = tvnorms+i;
 392                                 break;
 393                         }
 394                 }
 395         }
 396         if (NULL == norm) {
 397                 tda9887_dbg("Unsupported tvnorm entry - audio muted\n");
 398                 return -1;
 399         }
 400
 401         tda9887_dbg("configure for: %s\n",norm->name);
 402         buf[1] = norm->b;
 403         buf[2] = norm->c;
 404         buf[3] = norm->e;
 405         return 0;
 406 }
 407
 408 static unsigned int port1  = UNSET;
 409 static unsigned int port2  = UNSET;
 410 static unsigned int qss    = UNSET;
 411 static unsigned int adjust = 0x10;
 412 module_param(port1, int, 0644);
 413 module_param(port2, int, 0644);
 414 module_param(qss, int, 0644);
 415 module_param(adjust, int, 0644);
 416
 417 static int tda9887_set_insmod(struct tda9887 *t, char *buf)
 418 {
 419         if (UNSET != port1) {
 420                 if (port1)
 421                         buf[1] |= cOutputPort1Inactive;
 422                 else
 423                         buf[1] &= ~cOutputPort1Inactive;
 424         }
 425         if (UNSET != port2) {
 426                 if (port2)
 427                         buf[1] |= cOutputPort2Inactive;
 428                 else
 429                         buf[1] &= ~cOutputPort2Inactive;
 430         }
 431
 432         if (UNSET != qss) {
 433                 if (qss)
 434                         buf[1] |= cQSS;
 435                 else
 436                         buf[1] &= ~cQSS;
 437         }
 438
 439         if (adjust >= 0x00 && adjust < 0x20)
 440                 buf[2] |= adjust;
 441         return 0;
 442 }
 443
 444 static int tda9887_set_config(struct tda9887 *t, char *buf)
 445 {
 446         if (t->config & TDA9887_PORT1_ACTIVE)
 447                 buf[1] &= ~cOutputPort1Inactive;
 448         if (t->config & TDA9887_PORT1_INACTIVE)
 449                 buf[1] |= cOutputPort1Inactive;
 450         if (t->config & TDA9887_PORT2_ACTIVE)
 451                 buf[1] &= ~cOutputPort2Inactive;
 452         if (t->config & TDA9887_PORT2_INACTIVE)
 453                 buf[1] |= cOutputPort2Inactive;
 454
 455         if (t->config & TDA9887_QSS)
 456                 buf[1] |= cQSS;
 457         if (t->config & TDA9887_INTERCARRIER)
 458                 buf[1] &= ~cQSS;
 459
 460         if (t->config & TDA9887_AUTOMUTE)
 461                 buf[1] |= cAutoMuteFmActive;
 462         if (t->config & TDA9887_DEEMPHASIS_MASK) {
 463                 buf[2] &= ~0x60;
 464                 switch (t->config & TDA9887_DEEMPHASIS_MASK) {
 465                 case TDA9887_DEEMPHASIS_NONE:
 466                         buf[2] |= cDeemphasisOFF;
 467                         break;
 468                 case TDA9887_DEEMPHASIS_50:
 469                         buf[2] |= cDeemphasisON | cDeemphasis50;
 470                         break;
 471                 case TDA9887_DEEMPHASIS_75:
 472                         buf[2] |= cDeemphasisON | cDeemphasis75;
 473                         break;
 474                 }
 475         }
 476         if ((t->config & TDA9887_INTERCARRIER_NTSC) && (t->std & V4L2_STD_NTSC))
 477                 buf[1] &= ~cQSS;
 478         return 0;
 479 }
 480
 481 /* ---------------------------------------------------------------------- */
 482
 483 static char pal[] = "-";
 484 module_param_string(pal, pal, sizeof(pal), 0644);
 485 static char secam[] = "-";
 486 module_param_string(secam, secam, sizeof(secam), 0644);
 487
 488 static int tda9887_fixup_std(struct tda9887 *t)
 489 {
 490         /* get more precise norm info from insmod option */
 491         if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) {
 492                 switch (pal[0]) {
 493                 case 'b':
 494                 case 'B':
 495                 case 'g':
 496                 case 'G':
 497                         tda9887_dbg("insmod fixup: PAL => PAL-BG\n");
 498                         t->std = V4L2_STD_PAL_BG;
 499                         break;
 500                 case 'i':
 501                 case 'I':
 502                         tda9887_dbg("insmod fixup: PAL => PAL-I\n");
 503                         t->std = V4L2_STD_PAL_I;
 504                         break;
 505                 case 'd':
 506                 case 'D':
 507                 case 'k':
 508                 case 'K':
 509                         tda9887_dbg("insmod fixup: PAL => PAL-DK\n");
 510                         t->std = V4L2_STD_PAL_DK;
 511                         break;
 512                 case '-':
 513                         /* default parameter, do nothing */
 514                         break;
 515                 default:
 516                         tda9887_info("pal= argument not recognised\n");
 517                         break;
 518                 }
 519         }
 520         if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) {
 521                 switch (secam[0]) {
 522                 case 'd':
 523                 case 'D':
 524                 case 'k':
 525                 case 'K':
 526                         tda9887_dbg("insmod fixup: SECAM => SECAM-DK\n");
 527                         t->std = V4L2_STD_SECAM_DK;
 528                         break;
 529                 case 'l':
 530                 case 'L':
 531                         tda9887_dbg("insmod fixup: SECAM => SECAM-L\n");
 532                         t->std = V4L2_STD_SECAM_L;
 533                         break;
 534                 case '-':
 535                         /* default parameter, do nothing */
 536                         break;
 537                 default:
 538                         tda9887_info("secam= argument not recognised\n");
 539                         break;
 540                 }
 541         }
 542         return 0;
 543 }
 544
 545 static int tda9887_status(struct tda9887 *t)
 546 {
 547         unsigned char buf[1];
 548         int rc;
 549
 550         memset(buf,0,sizeof(buf));
 551         if (1 != (rc = i2c_master_recv(&t->client,buf,1)))
 552                 tda9887_info("i2c i/o error: rc == %d (should be 1)\n",rc);
 553         dump_read_message(t, buf);
 554         return 0;
 555 }
 556
 557 static int tda9887_configure(struct tda9887 *t)
 558 {
 559         int rc;
 560
 561         memset(t->data,0,sizeof(t->data));
 562         tda9887_set_tvnorm(t,t->data);
 563
 564         t->data[1] |= cOutputPort1Inactive;
 565         t->data[1] |= cOutputPort2Inactive;
 566
 567         tda9887_set_config(t,t->data);
 568         tda9887_set_insmod(t,t->data);
 569
 570         if (t->mode == T_STANDBY) {
 571                 t->data[1] |= cForcedMuteAudioON;
 572         }
 573
 574
 575         tda9887_dbg("writing: b=0x%02x c=0x%02x e=0x%02x\n",
 576                 t->data[1],t->data[2],t->data[3]);
 577         if (debug > 1)
 578                 dump_write_message(t, t->data);
 579
 580         if (4 != (rc = i2c_master_send(&t->client,t->data,4)))
 581                 tda9887_info("i2c i/o error: rc == %d (should be 4)\n",rc);
 582
 583         if (debug > 2) {
 584                 msleep_interruptible(1000);
 585                 tda9887_status(t);
 586         }
 587         return 0;
 588 }
 589
 590 /* ---------------------------------------------------------------------- */
 591
 592 static int tda9887_attach(struct i2c_adapter *adap, int addr, int kind)
 593 {
 594         struct tda9887 *t;
 595
 596         client_template.adapter = adap;
 597         client_template.addr    = addr;
 598
 599         if (NULL == (t = kmalloc(sizeof(*t), GFP_KERNEL)))
 600                 return -ENOMEM;
 601         memset(t,0,sizeof(*t));
 602
 603         t->client      = client_template;
 604         t->std         = 0;
 605         t->radio_mode = V4L2_TUNER_MODE_STEREO;
 606
 607         tda9887_info("chip found @ 0x%x (%s)\n", addr<<1, adap->name);
 608
 609         i2c_set_clientdata(&t->client, t);
 610         i2c_attach_client(&t->client);
 611
 612         return 0;
 613 }
 614
 615 static int tda9887_probe(struct i2c_adapter *adap)
 616 {
 617 #ifdef I2C_CLASS_TV_ANALOG
 618         if (adap->class & I2C_CLASS_TV_ANALOG)
 619                 return i2c_probe(adap, &addr_data, tda9887_attach);
 620 #else
 621         switch (adap->id) {
 622         case I2C_HW_B_BT848:
 623         case I2C_HW_B_RIVA:
 624         case I2C_HW_SAA7134:
 625                 return i2c_probe(adap, &addr_data, tda9887_attach);
 626                 break;
 627         }
 628 #endif
 629         return 0;
 630 }
 631
 632 static int tda9887_detach(struct i2c_client *client)
 633 {
 634         struct tda9887 *t = i2c_get_clientdata(client);
 635
 636         i2c_detach_client(client);
 637         kfree(t);
 638         return 0;
 639 }
 640
 641 #define SWITCH_V4L2     if (!t->using_v4l2 && debug) \
 642                           tda9887_info("switching to v4l2\n"); \
 643                           t->using_v4l2 = 1;
 644 #define CHECK_V4L2      if (t->using_v4l2) { if (debug) \
 645                           tda9887_info("ignore v4l1 call\n"); \
 646                           return 0; }
 647
 648 static int
 649 tda9887_command(struct i2c_client *client, unsigned int cmd, void *arg)
 650 {
 651         struct tda9887 *t = i2c_get_clientdata(client);
 652
 653         switch (cmd) {
 654
 655         /* --- configuration --- */
 656         case AUDC_SET_RADIO:
 657         {
 658                 t->mode = T_RADIO;
 659                 tda9887_configure(t);
 660                 break;
 661         }
 662         case TUNER_SET_STANDBY:
 663         {
 664                 t->mode = T_STANDBY;
 665                 tda9887_configure(t);
 666                 break;
 667         }
 668         case TDA9887_SET_CONFIG:
 669         {
 670                 int *i = arg;
 671
 672                 t->config = *i;
 673                 tda9887_configure(t);
 674                 break;
 675         }
 676         /* --- v4l ioctls --- */
 677         /* take care: bttv does userspace copying, we'll get a
 678            kernel pointer here... */
 679         case VIDIOCSCHAN:
 680         {
 681                 static const v4l2_std_id map[] = {
 682                         [ VIDEO_MODE_PAL   ] = V4L2_STD_PAL,
 683                         [ VIDEO_MODE_NTSC  ] = V4L2_STD_NTSC_M,
 684                         [ VIDEO_MODE_SECAM ] = V4L2_STD_SECAM,
 685                         [ 4 /* bttv */     ] = V4L2_STD_PAL_M,
 686                         [ 5 /* bttv */     ] = V4L2_STD_PAL_N,
 687                         [ 6 /* bttv */     ] = V4L2_STD_NTSC_M_JP,
 688                 };
 689                 struct video_channel *vc = arg;
 690
 691                 CHECK_V4L2;
 692                 t->mode = T_ANALOG_TV;
 693                 if (vc->norm < ARRAY_SIZE(map))
 694                         t->std = map[vc->norm];
 695                 tda9887_fixup_std(t);
 696                 tda9887_configure(t);
 697                 break;
 698         }
 699         case VIDIOC_S_STD:
 700         {
 701                 v4l2_std_id *id = arg;
 702
 703                 SWITCH_V4L2;
 704                 t->mode = T_ANALOG_TV;
 705                 t->std   = *id;
 706                 tda9887_fixup_std(t);
 707                 tda9887_configure(t);
 708                 break;
 709         }
 710         case VIDIOC_S_FREQUENCY:
 711         {
 712                 struct v4l2_frequency *f = arg;
 713
 714                 SWITCH_V4L2;
 715                 if (V4L2_TUNER_ANALOG_TV == f->type) {
 716                         if (t->mode == T_ANALOG_TV)
 717                                 return 0;
 718                         t->mode = T_ANALOG_TV;
 719                 }
 720                 if (V4L2_TUNER_RADIO == f->type) {
 721                         if (t->mode == T_RADIO)
 722                                 return 0;
 723                         t->mode = T_RADIO;
 724                 }
 725                 tda9887_configure(t);
 726                 break;
 727         }
 728         case VIDIOC_G_TUNER:
 729         {
 730                 static int AFC_BITS_2_kHz[] = {
 731                         -12500,  -37500,  -62500,  -97500,
 732                         -112500, -137500, -162500, -187500,
 733                         187500,  162500,  137500,  112500,
 734                         97500 ,  62500,   37500 ,  12500
 735                 };
 736                 struct v4l2_tuner* tuner = arg;
 737
 738                 if (t->mode == T_RADIO) {
 739                         __u8 reg = 0;
 740                         tuner->afc=0;
 741                         if (1 == i2c_master_recv(&t->client,&reg,1))
 742                                 tuner->afc = AFC_BITS_2_kHz[(reg>>1)&0x0f];
 743                 }
 744                 break;
 745         }
 746         case VIDIOC_S_TUNER:
 747         {
 748                 struct v4l2_tuner* tuner = arg;
 749
 750                 if (t->mode == T_RADIO) {
 751                         t->radio_mode = tuner->audmode;
 752                         tda9887_configure (t);
 753                 }
 754                 break;
 755         }
 756         case VIDIOC_LOG_STATUS:
 757         {
 758                 tda9887_info("Data bytes: b=0x%02x c=0x%02x e=0x%02x\n", t->data[1], t->data[2], t->data[3]);
 759                 break;
 760         }
 761         default:
 762                 /* nothing */
 763                 break;
 764         }
 765         return 0;
 766 }
 767
 768 static int tda9887_suspend(struct device * dev, pm_message_t state)
 769 {
 770         struct i2c_client *c = container_of(dev, struct i2c_client, dev);
 771         struct tda9887 *t = i2c_get_clientdata(c);
 772
 773         tda9887_dbg("suspend\n");
 774         return 0;
 775 }
 776
 777 static int tda9887_resume(struct device * dev)
 778 {
 779         struct i2c_client *c = container_of(dev, struct i2c_client, dev);
 780         struct tda9887 *t = i2c_get_clientdata(c);
 781
 782         tda9887_dbg("resume\n");
 783         tda9887_configure(t);
 784         return 0;
 785 }
 786
 787 /* ----------------------------------------------------------------------- */
 788
 789 static struct i2c_driver driver = {
 790         .id             = -1, /* FIXME */
 791         .attach_adapter = tda9887_probe,
 792         .detach_client  = tda9887_detach,
 793         .command        = tda9887_command,
 794         .driver = {
 795                 .name    = "i2c tda9887 driver",
 796                 .suspend = tda9887_suspend,
 797                 .resume  = tda9887_resume,
 798         },
 799 };
 800 static struct i2c_client client_template =
 801 {
 802         .name      = "tda9887",
 803         .driver    = &driver,
 804 };
 805
 806 static int __init tda9887_init_module(void)
 807 {
 808         return i2c_add_driver(&driver);
 809 }
 810
 811 static void __exit tda9887_cleanup_module(void)
 812 {
 813         i2c_del_driver(&driver);
 814 }
 815
 816 module_init(tda9887_init_module);
 817 module_exit(tda9887_cleanup_module);
 818
 819 /*
 820  * Overrides for Emacs so that we follow Linus's tabbing style.
 821  * ---------------------------------------------------------------------------
 822  * Local variables:
 823  * c-basic-offset: 8
 824  * End:
 825  */