git.oblomov.eu 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 #include <media/id.h>
  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 PREFIX      "tda9885/6/7: "
  48 #define dprintk     if (debug) printk
  49
  50 struct tda9887 {
  51         struct i2c_client  client;
  52         v4l2_std_id        std;
  53         enum tuner_mode    mode;
  54         unsigned int       config;
  55         unsigned int       pinnacle_id;
  56         unsigned int       using_v4l2;
  57         unsigned int       radio_mode;
  58 };
  59
  60 struct tvnorm {
  61         v4l2_std_id       std;
  62         char              *name;
  63         unsigned char     b;
  64         unsigned char     c;
  65         unsigned char     e;
  66 };
  67
  68 static struct i2c_driver driver;
  69 static struct i2c_client client_template;
  70
  71 /* ---------------------------------------------------------------------- */
  72
  73 //
  74 // TDA defines
  75 //
  76
  77 //// first reg (b)
  78 #define cVideoTrapBypassOFF     0x00    // bit b0
  79 #define cVideoTrapBypassON      0x01    // bit b0
  80
  81 #define cAutoMuteFmInactive     0x00    // bit b1
  82 #define cAutoMuteFmActive       0x02    // bit b1
  83
  84 #define cIntercarrier           0x00    // bit b2
  85 #define cQSS                    0x04    // bit b2
  86
  87 #define cPositiveAmTV           0x00    // bit b3:4
  88 #define cFmRadio                0x08    // bit b3:4
  89 #define cNegativeFmTV           0x10    // bit b3:4
  90
  91
  92 #define cForcedMuteAudioON      0x20    // bit b5
  93 #define cForcedMuteAudioOFF     0x00    // bit b5
  94
  95 #define cOutputPort1Active      0x00    // bit b6
  96 #define cOutputPort1Inactive    0x40    // bit b6
  97
  98 #define cOutputPort2Active      0x00    // bit b7
  99 #define cOutputPort2Inactive    0x80    // bit b7
 100
 101
 102 //// second reg (c)
 103 #define cDeemphasisOFF          0x00    // bit c5
 104 #define cDeemphasisON           0x20    // bit c5
 105
 106 #define cDeemphasis75           0x00    // bit c6
 107 #define cDeemphasis50           0x40    // bit c6
 108
 109 #define cAudioGain0             0x00    // bit c7
 110 #define cAudioGain6             0x80    // bit c7
 111
 112
 113 //// third reg (e)
 114 #define cAudioIF_4_5             0x00    // bit e0:1
 115 #define cAudioIF_5_5             0x01    // bit e0:1
 116 #define cAudioIF_6_0             0x02    // bit e0:1
 117 #define cAudioIF_6_5             0x03    // bit e0:1
 118
 119
 120 #define cVideoIF_58_75           0x00    // bit e2:4
 121 #define cVideoIF_45_75           0x04    // bit e2:4
 122 #define cVideoIF_38_90           0x08    // bit e2:4
 123 #define cVideoIF_38_00           0x0C    // bit e2:4
 124 #define cVideoIF_33_90           0x10    // bit e2:4
 125 #define cVideoIF_33_40           0x14    // bit e2:4
 126 #define cRadioIF_45_75           0x18    // bit e2:4
 127 #define cRadioIF_38_90           0x1C    // bit e2:4
 128
 129
 130 #define cTunerGainNormal         0x00    // bit e5
 131 #define cTunerGainLow            0x20    // bit e5
 132
 133 #define cGating_18               0x00    // bit e6
 134 #define cGating_36               0x40    // bit e6
 135
 136 #define cAgcOutON                0x80    // bit e7
 137 #define cAgcOutOFF               0x00    // bit e7
 138
 139 /* ---------------------------------------------------------------------- */
 140
 141 static struct tvnorm tvnorms[] = {
 142         {
 143                 .std   = V4L2_STD_PAL_BG,
 144                 .name  = "PAL-BG",
 145                 .b     = ( cNegativeFmTV  |
 146                            cQSS           ),
 147                 .c     = ( cDeemphasisON  |
 148                            cDeemphasis50  ),
 149                 .e     = ( cAudioIF_5_5   |
 150                            cVideoIF_38_90 ),
 151         },{
 152                 .std   = V4L2_STD_PAL_I,
 153                 .name  = "PAL-I",
 154                 .b     = ( cNegativeFmTV  |
 155                            cQSS           ),
 156                 .c     = ( cDeemphasisON  |
 157                            cDeemphasis50  ),
 158                 .e     = ( cAudioIF_6_0   |
 159                            cVideoIF_38_90 ),
 160         },{
 161                 .std   = V4L2_STD_PAL_DK,
 162                 .name  = "PAL-DK",
 163                 .b     = ( cNegativeFmTV  |
 164                            cQSS           ),
 165                 .c     = ( cDeemphasisON  |
 166                            cDeemphasis50  ),
 167                 .e     = ( cAudioIF_6_5   |
 168                            cVideoIF_38_00 ),
 169         },{
 170                 .std   = V4L2_STD_PAL_M | V4L2_STD_PAL_N,
 171                 .name  = "PAL-M/N",
 172                 .b     = ( cNegativeFmTV  |
 173                            cQSS           ),
 174                 .c     = ( cDeemphasisON  |
 175                            cDeemphasis75  ),
 176                 .e     = ( cAudioIF_4_5   |
 177                            cVideoIF_45_75 ),
 178         },{
 179                 .std   = V4L2_STD_SECAM_L,
 180                 .name  = "SECAM-L",
 181                 .b     = ( cPositiveAmTV  |
 182                            cQSS           ),
 183                 .e     = ( cAudioIF_6_5   |
 184                            cVideoIF_38_90 ),
 185         },{
 186                 .std   = V4L2_STD_SECAM_DK,
 187                 .name  = "SECAM-DK",
 188                 .b     = ( cNegativeFmTV  |
 189                            cQSS           ),
 190                 .c     = ( cDeemphasisON  |
 191                            cDeemphasis50  ),
 192                 .e     = ( cAudioIF_6_5   |
 193                            cVideoIF_38_00 ),
 194         },{
 195                 .std   = V4L2_STD_NTSC_M,
 196                 .name  = "NTSC-M",
 197                 .b     = ( cNegativeFmTV  |
 198                            cQSS           ),
 199                 .c     = ( cDeemphasisON  |
 200                            cDeemphasis75  ),
 201                 .e     = ( cGating_36     |
 202                            cAudioIF_4_5   |
 203                            cVideoIF_45_75 ),
 204         },{
 205                 .std   = V4L2_STD_NTSC_M_JP,
 206                 .name  = "NTSC-JP",
 207                 .b     = ( cNegativeFmTV  |
 208                            cQSS           ),
 209                 .c     = ( cDeemphasisON  |
 210                            cDeemphasis50  ),
 211                 .e     = ( cGating_36     |
 212                            cAudioIF_4_5   |
 213                            cVideoIF_58_75 ),
 214         }
 215 };
 216
 217 static struct tvnorm radio_stereo = {
 218         .name = "Radio Stereo",
 219         .b    = ( cFmRadio       |
 220                   cQSS           ),
 221         .c    = ( cDeemphasisOFF |
 222                   cAudioGain6 ),
 223         .e    = ( cAudioIF_5_5   |
 224                   cRadioIF_38_90 ),
 225 };
 226
 227 static struct tvnorm radio_mono = {
 228         .name = "Radio Mono",
 229         .b    = ( cFmRadio       |
 230                   cQSS           ),
 231         .c    = ( cDeemphasisON  |
 232                   cDeemphasis50),
 233         .e    = ( cAudioIF_5_5   |
 234                   cRadioIF_38_90 ),
 235 };
 236
 237 /* ---------------------------------------------------------------------- */
 238
 239 static void dump_read_message(unsigned char *buf)
 240 {
 241         static char *afc[16] = {
 242                 "- 12.5 kHz",
 243                 "- 37.5 kHz",
 244                 "- 62.5 kHz",
 245                 "- 87.5 kHz",
 246                 "-112.5 kHz",
 247                 "-137.5 kHz",
 248                 "-162.5 kHz",
 249                 "-187.5 kHz [min]",
 250                 "+187.5 kHz [max]",
 251                 "+162.5 kHz",
 252                 "+137.5 kHz",
 253                 "+112.5 kHz",
 254                 "+ 87.5 kHz",
 255                 "+ 62.5 kHz",
 256                 "+ 37.5 kHz",
 257                 "+ 12.5 kHz",
 258         };
 259         printk(PREFIX "read: 0x%2x\n", buf[0]);
 260         printk("  after power on : %s\n", (buf[0] & 0x01) ? "yes" : "no");
 261         printk("  afc            : %s\n", afc[(buf[0] >> 1) & 0x0f]);
 262         printk("  fmif level     : %s\n", (buf[0] & 0x20) ? "high" : "low");
 263         printk("  afc window     : %s\n", (buf[0] & 0x40) ? "in" : "out");
 264         printk("  vfi level      : %s\n", (buf[0] & 0x80) ? "high" : "low");
 265 }
 266
 267 static void dump_write_message(unsigned char *buf)
 268 {
 269         static char *sound[4] = {
 270                 "AM/TV",
 271                 "FM/radio",
 272                 "FM/TV",
 273                 "FM/radio"
 274         };
 275         static char *adjust[32] = {
 276                 "-16", "-15", "-14", "-13", "-12", "-11", "-10", "-9",
 277                 "-8",  "-7",  "-6",  "-5",  "-4",  "-3",  "-2",  "-1",
 278                 "0",   "+1",  "+2",  "+3",  "+4",  "+5",  "+6",  "+7",
 279                 "+8",  "+9",  "+10", "+11", "+12", "+13", "+14", "+15"
 280         };
 281         static char *deemph[4] = {
 282                 "no", "no", "75", "50"
 283         };
 284         static char *carrier[4] = {
 285                 "4.5 MHz",
 286                 "5.5 MHz",
 287                 "6.0 MHz",
 288                 "6.5 MHz / AM"
 289         };
 290         static char *vif[8] = {
 291                 "58.75 MHz",
 292                 "45.75 MHz",
 293                 "38.9 MHz",
 294                 "38.0 MHz",
 295                 "33.9 MHz",
 296                 "33.4 MHz",
 297                 "45.75 MHz + pin13",
 298                 "38.9 MHz + pin13",
 299         };
 300         static char *rif[4] = {
 301                 "44 MHz",
 302                 "52 MHz",
 303                 "52 MHz",
 304                 "44 MHz",
 305         };
 306
 307         printk(PREFIX "write: byte B 0x%02x\n",buf[1]);
 308         printk("  B0   video mode      : %s\n",
 309                (buf[1] & 0x01) ? "video trap" : "sound trap");
 310         printk("  B1   auto mute fm    : %s\n",
 311                (buf[1] & 0x02) ? "yes" : "no");
 312         printk("  B2   carrier mode    : %s\n",
 313                (buf[1] & 0x04) ? "QSS" : "Intercarrier");
 314         printk("  B3-4 tv sound/radio  : %s\n",
 315                sound[(buf[1] & 0x18) >> 3]);
 316         printk("  B5   force mute audio: %s\n",
 317                (buf[1] & 0x20) ? "yes" : "no");
 318         printk("  B6   output port 1   : %s\n",
 319                (buf[1] & 0x40) ? "high (inactive)" : "low (active)");
 320         printk("  B7   output port 2   : %s\n",
 321                (buf[1] & 0x80) ? "high (inactive)" : "low (active)");
 322
 323         printk(PREFIX "write: byte C 0x%02x\n",buf[2]);
 324         printk("  C0-4 top adjustment  : %s dB\n", adjust[buf[2] & 0x1f]);
 325         printk("  C5-6 de-emphasis     : %s\n", deemph[(buf[2] & 0x60) >> 5]);
 326         printk("  C7   audio gain      : %s\n",
 327                (buf[2] & 0x80) ? "-6" : "0");
 328
 329         printk(PREFIX "write: byte E 0x%02x\n",buf[3]);
 330         printk("  E0-1 sound carrier   : %s\n",
 331                carrier[(buf[3] & 0x03)]);
 332         printk("  E6   l pll ganting   : %s\n",
 333                (buf[3] & 0x40) ? "36" : "13");
 334
 335         if (buf[1] & 0x08) {
 336                 /* radio */
 337                 printk("  E2-4 video if        : %s\n",
 338                        rif[(buf[3] & 0x0c) >> 2]);
 339                 printk("  E7   vif agc output  : %s\n",
 340                        (buf[3] & 0x80)
 341                        ? ((buf[3] & 0x10) ? "fm-agc radio" : "sif-agc radio")
 342                        : "fm radio carrier afc");
 343         } else {
 344                 /* video */
 345                 printk("  E2-4 video if        : %s\n",
 346                        vif[(buf[3] & 0x1c) >> 2]);
 347                 printk("  E5   tuner gain      : %s\n",
 348                        (buf[3] & 0x80)
 349                        ? ((buf[3] & 0x20) ? "external" : "normal")
 350                        : ((buf[3] & 0x20) ? "minimum"  : "normal"));
 351                 printk("  E7   vif agc output  : %s\n",
 352                        (buf[3] & 0x80)
 353                        ? ((buf[3] & 0x20)
 354                           ? "pin3 port, pin22 vif agc out"
 355                           : "pin22 port, pin3 vif acg ext in")
 356                        : "pin3+pin22 port");
 357         }
 358         printk("--\n");
 359 }
 360
 361 /* ---------------------------------------------------------------------- */
 362
 363 static int tda9887_set_tvnorm(struct tda9887 *t, char *buf)
 364 {
 365         struct tvnorm *norm = NULL;
 366         int i;
 367
 368         if (t->mode == T_RADIO) {
 369                 if (t->radio_mode == V4L2_TUNER_MODE_MONO)
 370                         norm = &radio_mono;
 371                 else
 372                         norm = &radio_stereo;
 373         } else {
 374                 for (i = 0; i < ARRAY_SIZE(tvnorms); i++) {
 375                         if (tvnorms[i].std & t->std) {
 376                                 norm = tvnorms+i;
 377                                 break;
 378                         }
 379                 }
 380         }
 381         if (NULL == norm) {
 382                 dprintk(PREFIX "Unsupported tvnorm entry - audio muted\n");
 383                 return -1;
 384         }
 385
 386         dprintk(PREFIX "configure for: %s\n",norm->name);
 387         buf[1] = norm->b;
 388         buf[2] = norm->c;
 389         buf[3] = norm->e;
 390         return 0;
 391 }
 392
 393 static unsigned int port1  = UNSET;
 394 static unsigned int port2  = UNSET;
 395 static unsigned int qss    = UNSET;
 396 static unsigned int adjust = 0x10;
 397 module_param(port1, int, 0644);
 398 module_param(port2, int, 0644);
 399 module_param(qss, int, 0644);
 400 module_param(adjust, int, 0644);
 401
 402 static int tda9887_set_insmod(struct tda9887 *t, char *buf)
 403 {
 404         if (UNSET != port1) {
 405                 if (port1)
 406                         buf[1] |= cOutputPort1Inactive;
 407                 else
 408                         buf[1] &= ~cOutputPort1Inactive;
 409         }
 410         if (UNSET != port2) {
 411                 if (port2)
 412                         buf[1] |= cOutputPort2Inactive;
 413                 else
 414                         buf[1] &= ~cOutputPort2Inactive;
 415         }
 416
 417         if (UNSET != qss) {
 418                 if (qss)
 419                         buf[1] |= cQSS;
 420                 else
 421                         buf[1] &= ~cQSS;
 422         }
 423
 424         if (adjust >= 0x00 && adjust < 0x20)
 425                 buf[2] |= adjust;
 426         return 0;
 427 }
 428
 429 static int tda9887_set_config(struct tda9887 *t, char *buf)
 430 {
 431         if (t->config & TDA9887_PORT1_ACTIVE)
 432                 buf[1] &= ~cOutputPort1Inactive;
 433         if (t->config & TDA9887_PORT1_INACTIVE)
 434                 buf[1] |= cOutputPort1Inactive;
 435         if (t->config & TDA9887_PORT2_ACTIVE)
 436                 buf[1] &= ~cOutputPort2Inactive;
 437         if (t->config & TDA9887_PORT2_INACTIVE)
 438                 buf[1] |= cOutputPort2Inactive;
 439
 440         if (t->config & TDA9887_QSS)
 441                 buf[1] |= cQSS;
 442         if (t->config & TDA9887_INTERCARRIER)
 443                 buf[1] &= ~cQSS;
 444
 445         if (t->config & TDA9887_AUTOMUTE)
 446                 buf[1] |= cAutoMuteFmActive;
 447         if (t->config & TDA9887_DEEMPHASIS_MASK) {
 448                 buf[2] &= ~0x60;
 449                 switch (t->config & TDA9887_DEEMPHASIS_MASK) {
 450                 case TDA9887_DEEMPHASIS_NONE:
 451                         buf[2] |= cDeemphasisOFF;
 452                         break;
 453                 case TDA9887_DEEMPHASIS_50:
 454                         buf[2] |= cDeemphasisON | cDeemphasis50;
 455                         break;
 456                 case TDA9887_DEEMPHASIS_75:
 457                         buf[2] |= cDeemphasisON | cDeemphasis75;
 458                         break;
 459                 }
 460         }
 461         return 0;
 462 }
 463
 464 /* ---------------------------------------------------------------------- */
 465
 466 static int tda9887_set_pinnacle(struct tda9887 *t, char *buf)
 467 {
 468         unsigned int bCarrierMode = UNSET;
 469
 470         if (t->std & V4L2_STD_625_50) {
 471                 if ((1 == t->pinnacle_id) || (7 == t->pinnacle_id)) {
 472                         bCarrierMode = cIntercarrier;
 473                 } else {
 474                         bCarrierMode = cQSS;
 475                 }
 476         }
 477         if (t->std & V4L2_STD_525_60) {
 478                 if ((5 == t->pinnacle_id) || (6 == t->pinnacle_id)) {
 479                         bCarrierMode = cIntercarrier;
 480                 } else {
 481                         bCarrierMode = cQSS;
 482                 }
 483         }
 484
 485         if (bCarrierMode != UNSET) {
 486                 buf[1] &= ~0x04;
 487                 buf[1] |= bCarrierMode;
 488         }
 489         return 0;
 490 }
 491
 492 /* ---------------------------------------------------------------------- */
 493
 494 static char pal[] = "-";
 495 module_param_string(pal, pal, sizeof(pal), 0644);
 496 static char secam[] = "-";
 497 module_param_string(secam, secam, sizeof(secam), 0644);
 498
 499 static int tda9887_fixup_std(struct tda9887 *t)
 500 {
 501         /* get more precise norm info from insmod option */
 502         if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) {
 503                 switch (pal[0]) {
 504                 case 'b':
 505                 case 'B':
 506                 case 'g':
 507                 case 'G':
 508                         dprintk(PREFIX "insmod fixup: PAL => PAL-BG\n");
 509                         t->std = V4L2_STD_PAL_BG;
 510                         break;
 511                 case 'i':
 512                 case 'I':
 513                         dprintk(PREFIX "insmod fixup: PAL => PAL-I\n");
 514                         t->std = V4L2_STD_PAL_I;
 515                         break;
 516                 case 'd':
 517                 case 'D':
 518                 case 'k':
 519                 case 'K':
 520                         dprintk(PREFIX "insmod fixup: PAL => PAL-DK\n");
 521                         t->std = V4L2_STD_PAL_DK;
 522                         break;
 523                 case '-':
 524                         /* default parameter, do nothing */
 525                         break;
 526                 default:
 527                         printk(PREFIX "pal= argument not recognised\n");
 528                         break;
 529                 }
 530         }
 531         if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) {
 532                 switch (secam[0]) {
 533                 case 'd':
 534                 case 'D':
 535                 case 'k':
 536                 case 'K':
 537                         dprintk(PREFIX "insmod fixup: SECAM => SECAM-DK\n");
 538                         t->std = V4L2_STD_SECAM_DK;
 539                         break;
 540                 case 'l':
 541                 case 'L':
 542                         dprintk(PREFIX "insmod fixup: SECAM => SECAM-L\n");
 543                         t->std = V4L2_STD_SECAM_L;
 544                         break;
 545                 case '-':
 546                         /* default parameter, do nothing */
 547                         break;
 548                 default:
 549                         printk(PREFIX "secam= argument not recognised\n");
 550                         break;
 551                 }
 552         }
 553         return 0;
 554 }
 555
 556 static int tda9887_status(struct tda9887 *t)
 557 {
 558         unsigned char buf[1];
 559         int rc;
 560
 561         memset(buf,0,sizeof(buf));
 562         if (1 != (rc = i2c_master_recv(&t->client,buf,1)))
 563                 printk(PREFIX "i2c i/o error: rc == %d (should be 1)\n",rc);
 564         dump_read_message(buf);
 565         return 0;
 566 }
 567
 568 static int tda9887_configure(struct tda9887 *t)
 569 {
 570         unsigned char buf[4];
 571         int rc;
 572
 573         memset(buf,0,sizeof(buf));
 574         tda9887_set_tvnorm(t,buf);
 575
 576         buf[1] |= cOutputPort1Inactive;
 577         buf[1] |= cOutputPort2Inactive;
 578
 579         if (UNSET != t->pinnacle_id) {
 580                 tda9887_set_pinnacle(t,buf);
 581         }
 582         tda9887_set_config(t,buf);
 583         tda9887_set_insmod(t,buf);
 584
 585         if (t->mode == T_STANDBY) {
 586                 buf[1] |= cForcedMuteAudioON;
 587         }
 588
 589
 590         dprintk(PREFIX "writing: b=0x%02x c=0x%02x e=0x%02x\n",
 591                 buf[1],buf[2],buf[3]);
 592         if (debug > 1)
 593                 dump_write_message(buf);
 594
 595         if (4 != (rc = i2c_master_send(&t->client,buf,4)))
 596                 printk(PREFIX "i2c i/o error: rc == %d (should be 4)\n",rc);
 597
 598         if (debug > 2) {
 599                 msleep_interruptible(1000);
 600                 tda9887_status(t);
 601         }
 602         return 0;
 603 }
 604
 605 /* ---------------------------------------------------------------------- */
 606
 607 static int tda9887_attach(struct i2c_adapter *adap, int addr, int kind)
 608 {
 609         struct tda9887 *t;
 610
 611         client_template.adapter = adap;
 612         client_template.addr    = addr;
 613
 614         printk(PREFIX "chip found @ 0x%x\n", addr<<1);
 615
 616         if (NULL == (t = kmalloc(sizeof(*t), GFP_KERNEL)))
 617                 return -ENOMEM;
 618         memset(t,0,sizeof(*t));
 619
 620         t->client      = client_template;
 621         t->std         = 0;
 622         t->pinnacle_id = UNSET;
 623         t->radio_mode = V4L2_TUNER_MODE_STEREO;
 624
 625         i2c_set_clientdata(&t->client, t);
 626         i2c_attach_client(&t->client);
 627
 628         return 0;
 629 }
 630
 631 static int tda9887_probe(struct i2c_adapter *adap)
 632 {
 633 #ifdef I2C_CLASS_TV_ANALOG
 634         if (adap->class & I2C_CLASS_TV_ANALOG)
 635                 return i2c_probe(adap, &addr_data, tda9887_attach);
 636 #else
 637         switch (adap->id) {
 638         case I2C_HW_B_BT848:
 639         case I2C_HW_B_RIVA:
 640         case I2C_HW_SAA7134:
 641                 return i2c_probe(adap, &addr_data, tda9887_attach);
 642                 break;
 643         }
 644 #endif
 645         return 0;
 646 }
 647
 648 static int tda9887_detach(struct i2c_client *client)
 649 {
 650         struct tda9887 *t = i2c_get_clientdata(client);
 651
 652         i2c_detach_client(client);
 653         kfree(t);
 654         return 0;
 655 }
 656
 657 #define SWITCH_V4L2     if (!t->using_v4l2 && debug) \
 658                           printk(PREFIX "switching to v4l2\n"); \
 659                           t->using_v4l2 = 1;
 660 #define CHECK_V4L2      if (t->using_v4l2) { if (debug) \
 661                           printk(PREFIX "ignore v4l1 call\n"); \
 662                           return 0; }
 663
 664 static int
 665 tda9887_command(struct i2c_client *client, unsigned int cmd, void *arg)
 666 {
 667         struct tda9887 *t = i2c_get_clientdata(client);
 668
 669         switch (cmd) {
 670
 671         /* --- configuration --- */
 672         case AUDC_SET_RADIO:
 673         {
 674                 t->mode = T_RADIO;
 675                 tda9887_configure(t);
 676                 break;
 677         }
 678         case TUNER_SET_STANDBY:
 679         {
 680                 t->mode = T_STANDBY;
 681                 tda9887_configure(t);
 682                 break;
 683         }
 684         case AUDC_CONFIG_PINNACLE:
 685         {
 686                 int *i = arg;
 687
 688                 t->pinnacle_id = *i;
 689                 tda9887_configure(t);
 690                 break;
 691         }
 692         case TDA9887_SET_CONFIG:
 693         {
 694                 int *i = arg;
 695
 696                 t->config = *i;
 697                 tda9887_configure(t);
 698                 break;
 699         }
 700         /* --- v4l ioctls --- */
 701         /* take care: bttv does userspace copying, we'll get a
 702            kernel pointer here... */
 703         case VIDIOCSCHAN:
 704         {
 705                 static const v4l2_std_id map[] = {
 706                         [ VIDEO_MODE_PAL   ] = V4L2_STD_PAL,
 707                         [ VIDEO_MODE_NTSC  ] = V4L2_STD_NTSC_M,
 708                         [ VIDEO_MODE_SECAM ] = V4L2_STD_SECAM,
 709                         [ 4 /* bttv */     ] = V4L2_STD_PAL_M,
 710                         [ 5 /* bttv */     ] = V4L2_STD_PAL_N,
 711                         [ 6 /* bttv */     ] = V4L2_STD_NTSC_M_JP,
 712                 };
 713                 struct video_channel *vc = arg;
 714
 715                 CHECK_V4L2;
 716                 t->mode = T_ANALOG_TV;
 717                 if (vc->norm < ARRAY_SIZE(map))
 718                         t->std = map[vc->norm];
 719                 tda9887_fixup_std(t);
 720                 tda9887_configure(t);
 721                 break;
 722         }
 723         case VIDIOC_S_STD:
 724         {
 725                 v4l2_std_id *id = arg;
 726
 727                 SWITCH_V4L2;
 728                 t->mode = T_ANALOG_TV;
 729                 t->std   = *id;
 730                 tda9887_fixup_std(t);
 731                 tda9887_configure(t);
 732                 break;
 733         }
 734         case VIDIOC_S_FREQUENCY:
 735         {
 736                 struct v4l2_frequency *f = arg;
 737
 738                 SWITCH_V4L2;
 739                 if (V4L2_TUNER_ANALOG_TV == f->type) {
 740                         if (t->mode == T_ANALOG_TV)
 741                                 return 0;
 742                         t->mode = T_ANALOG_TV;
 743                 }
 744                 if (V4L2_TUNER_RADIO == f->type) {
 745                         if (t->mode == T_RADIO)
 746                                 return 0;
 747                         t->mode = T_RADIO;
 748                 }
 749                 tda9887_configure(t);
 750                 break;
 751         }
 752         case VIDIOC_G_TUNER:
 753         {
 754                 static int AFC_BITS_2_kHz[] = {
 755                         -12500,  -37500,  -62500,  -97500,
 756                         -112500, -137500, -162500, -187500,
 757                         187500,  162500,  137500,  112500,
 758                         97500 ,  62500,   37500 ,  12500
 759                 };
 760                 struct v4l2_tuner* tuner = arg;
 761
 762                 if (t->mode == T_RADIO) {
 763                         __u8 reg = 0;
 764                         tuner->afc=0;
 765                         if (1 == i2c_master_recv(&t->client,&reg,1))
 766                                 tuner->afc = AFC_BITS_2_kHz[(reg>>1)&0x0f];
 767                 }
 768                 break;
 769         }
 770         case VIDIOC_S_TUNER:
 771         {
 772                 struct v4l2_tuner* tuner = arg;
 773
 774                 if (t->mode == T_RADIO) {
 775                         t->radio_mode = tuner->audmode;
 776                         tda9887_configure (t);
 777                 }
 778                 break;
 779         }
 780         default:
 781                 /* nothing */
 782                 break;
 783         }
 784         return 0;
 785 }
 786
 787 static int tda9887_suspend(struct device * dev, pm_message_t state)
 788 {
 789         dprintk("tda9887: suspend\n");
 790         return 0;
 791 }
 792
 793 static int tda9887_resume(struct device * dev)
 794 {
 795         struct i2c_client *c = container_of(dev, struct i2c_client, dev);
 796         struct tda9887 *t = i2c_get_clientdata(c);
 797
 798         dprintk("tda9887: resume\n");
 799         tda9887_configure(t);
 800         return 0;
 801 }
 802
 803 /* ----------------------------------------------------------------------- */
 804
 805 static struct i2c_driver driver = {
 806         .owner          = THIS_MODULE,
 807         .name           = "i2c tda9887 driver",
 808         .id             = -1, /* FIXME */
 809         .flags          = I2C_DF_NOTIFY,
 810         .attach_adapter = tda9887_probe,
 811         .detach_client  = tda9887_detach,
 812         .command        = tda9887_command,
 813         .driver = {
 814                 .suspend = tda9887_suspend,
 815                 .resume  = tda9887_resume,
 816         },
 817 };
 818 static struct i2c_client client_template =
 819 {
 820         .name      = "tda9887",
 821         .flags     = I2C_CLIENT_ALLOW_USE,
 822         .driver    = &driver,
 823 };
 824
 825 static int __init tda9887_init_module(void)
 826 {
 827         return i2c_add_driver(&driver);
 828 }
 829
 830 static void __exit tda9887_cleanup_module(void)
 831 {
 832         i2c_del_driver(&driver);
 833 }
 834
 835 module_init(tda9887_init_module);
 836 module_exit(tda9887_cleanup_module);
 837
 838 /*
 839  * Overrides for Emacs so that we follow Linus's tabbing style.
 840  * ---------------------------------------------------------------------------
 841  * Local variables:
 842  * c-basic-offset: 8
 843  * End:
 844  */