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     = ( cGating_36     |
 184                            cAudioIF_6_5   |
 185                            cVideoIF_38_90 ),
 186         },{
 187                 .std   = V4L2_STD_SECAM_DK,
 188                 .name  = "SECAM-DK",
 189                 .b     = ( cNegativeFmTV  |
 190                            cQSS           ),
 191                 .c     = ( cDeemphasisON  |
 192                            cDeemphasis50  ),
 193                 .e     = ( cAudioIF_6_5   |
 194                            cVideoIF_38_00 ),
 195         },{
 196                 .std   = V4L2_STD_NTSC_M,
 197                 .name  = "NTSC-M",
 198                 .b     = ( cNegativeFmTV  |
 199                            cQSS           ),
 200                 .c     = ( cDeemphasisON  |
 201                            cDeemphasis75  ),
 202                 .e     = ( cGating_36     |
 203                            cAudioIF_4_5   |
 204                            cVideoIF_45_75 ),
 205         },{
 206                 .std   = V4L2_STD_NTSC_M_JP,
 207                 .name  = "NTSC-JP",
 208                 .b     = ( cNegativeFmTV  |
 209                            cQSS           ),
 210                 .c     = ( cDeemphasisON  |
 211                            cDeemphasis50  ),
 212                 .e     = ( cGating_36     |
 213                            cAudioIF_4_5   |
 214                            cVideoIF_58_75 ),
 215         }
 216 };
 217
 218 static struct tvnorm radio_stereo = {
 219         .name = "Radio Stereo",
 220         .b    = ( cFmRadio       |
 221                   cQSS           ),
 222         .c    = ( cDeemphasisOFF |
 223                   cAudioGain6 ),
 224         .e    = ( cAudioIF_5_5   |
 225                   cRadioIF_38_90 ),
 226 };
 227
 228 static struct tvnorm radio_mono = {
 229         .name = "Radio Mono",
 230         .b    = ( cFmRadio       |
 231                   cQSS           ),
 232         .c    = ( cDeemphasisON  |
 233                   cDeemphasis50),
 234         .e    = ( cAudioIF_5_5   |
 235                   cRadioIF_38_90 ),
 236 };
 237
 238 /* ---------------------------------------------------------------------- */
 239
 240 static void dump_read_message(unsigned char *buf)
 241 {
 242         static char *afc[16] = {
 243                 "- 12.5 kHz",
 244                 "- 37.5 kHz",
 245                 "- 62.5 kHz",
 246                 "- 87.5 kHz",
 247                 "-112.5 kHz",
 248                 "-137.5 kHz",
 249                 "-162.5 kHz",
 250                 "-187.5 kHz [min]",
 251                 "+187.5 kHz [max]",
 252                 "+162.5 kHz",
 253                 "+137.5 kHz",
 254                 "+112.5 kHz",
 255                 "+ 87.5 kHz",
 256                 "+ 62.5 kHz",
 257                 "+ 37.5 kHz",
 258                 "+ 12.5 kHz",
 259         };
 260         printk(PREFIX "read: 0x%2x\n", buf[0]);
 261         printk("  after power on : %s\n", (buf[0] & 0x01) ? "yes" : "no");
 262         printk("  afc            : %s\n", afc[(buf[0] >> 1) & 0x0f]);
 263         printk("  fmif level     : %s\n", (buf[0] & 0x20) ? "high" : "low");
 264         printk("  afc window     : %s\n", (buf[0] & 0x40) ? "in" : "out");
 265         printk("  vfi level      : %s\n", (buf[0] & 0x80) ? "high" : "low");
 266 }
 267
 268 static void dump_write_message(unsigned char *buf)
 269 {
 270         static char *sound[4] = {
 271                 "AM/TV",
 272                 "FM/radio",
 273                 "FM/TV",
 274                 "FM/radio"
 275         };
 276         static char *adjust[32] = {
 277                 "-16", "-15", "-14", "-13", "-12", "-11", "-10", "-9",
 278                 "-8",  "-7",  "-6",  "-5",  "-4",  "-3",  "-2",  "-1",
 279                 "0",   "+1",  "+2",  "+3",  "+4",  "+5",  "+6",  "+7",
 280                 "+8",  "+9",  "+10", "+11", "+12", "+13", "+14", "+15"
 281         };
 282         static char *deemph[4] = {
 283                 "no", "no", "75", "50"
 284         };
 285         static char *carrier[4] = {
 286                 "4.5 MHz",
 287                 "5.5 MHz",
 288                 "6.0 MHz",
 289                 "6.5 MHz / AM"
 290         };
 291         static char *vif[8] = {
 292                 "58.75 MHz",
 293                 "45.75 MHz",
 294                 "38.9 MHz",
 295                 "38.0 MHz",
 296                 "33.9 MHz",
 297                 "33.4 MHz",
 298                 "45.75 MHz + pin13",
 299                 "38.9 MHz + pin13",
 300         };
 301         static char *rif[4] = {
 302                 "44 MHz",
 303                 "52 MHz",
 304                 "52 MHz",
 305                 "44 MHz",
 306         };
 307
 308         printk(PREFIX "write: byte B 0x%02x\n",buf[1]);
 309         printk("  B0   video mode      : %s\n",
 310                (buf[1] & 0x01) ? "video trap" : "sound trap");
 311         printk("  B1   auto mute fm    : %s\n",
 312                (buf[1] & 0x02) ? "yes" : "no");
 313         printk("  B2   carrier mode    : %s\n",
 314                (buf[1] & 0x04) ? "QSS" : "Intercarrier");
 315         printk("  B3-4 tv sound/radio  : %s\n",
 316                sound[(buf[1] & 0x18) >> 3]);
 317         printk("  B5   force mute audio: %s\n",
 318                (buf[1] & 0x20) ? "yes" : "no");
 319         printk("  B6   output port 1   : %s\n",
 320                (buf[1] & 0x40) ? "high (inactive)" : "low (active)");
 321         printk("  B7   output port 2   : %s\n",
 322                (buf[1] & 0x80) ? "high (inactive)" : "low (active)");
 323
 324         printk(PREFIX "write: byte C 0x%02x\n",buf[2]);
 325         printk("  C0-4 top adjustment  : %s dB\n", adjust[buf[2] & 0x1f]);
 326         printk("  C5-6 de-emphasis     : %s\n", deemph[(buf[2] & 0x60) >> 5]);
 327         printk("  C7   audio gain      : %s\n",
 328                (buf[2] & 0x80) ? "-6" : "0");
 329
 330         printk(PREFIX "write: byte E 0x%02x\n",buf[3]);
 331         printk("  E0-1 sound carrier   : %s\n",
 332                carrier[(buf[3] & 0x03)]);
 333         printk("  E6   l pll gating   : %s\n",
 334                (buf[3] & 0x40) ? "36" : "13");
 335
 336         if (buf[1] & 0x08) {
 337                 /* radio */
 338                 printk("  E2-4 video if        : %s\n",
 339                        rif[(buf[3] & 0x0c) >> 2]);
 340                 printk("  E7   vif agc output  : %s\n",
 341                        (buf[3] & 0x80)
 342                        ? ((buf[3] & 0x10) ? "fm-agc radio" : "sif-agc radio")
 343                        : "fm radio carrier afc");
 344         } else {
 345                 /* video */
 346                 printk("  E2-4 video if        : %s\n",
 347                        vif[(buf[3] & 0x1c) >> 2]);
 348                 printk("  E5   tuner gain      : %s\n",
 349                        (buf[3] & 0x80)
 350                        ? ((buf[3] & 0x20) ? "external" : "normal")
 351                        : ((buf[3] & 0x20) ? "minimum"  : "normal"));
 352                 printk("  E7   vif agc output  : %s\n",
 353                        (buf[3] & 0x80)
 354                        ? ((buf[3] & 0x20)
 355                           ? "pin3 port, pin22 vif agc out"
 356                           : "pin22 port, pin3 vif acg ext in")
 357                        : "pin3+pin22 port");
 358         }
 359         printk("--\n");
 360 }
 361
 362 /* ---------------------------------------------------------------------- */
 363
 364 static int tda9887_set_tvnorm(struct tda9887 *t, char *buf)
 365 {
 366         struct tvnorm *norm = NULL;
 367         int i;
 368
 369         if (t->mode == T_RADIO) {
 370                 if (t->radio_mode == V4L2_TUNER_MODE_MONO)
 371                         norm = &radio_mono;
 372                 else
 373                         norm = &radio_stereo;
 374         } else {
 375                 for (i = 0; i < ARRAY_SIZE(tvnorms); i++) {
 376                         if (tvnorms[i].std & t->std) {
 377                                 norm = tvnorms+i;
 378                                 break;
 379                         }
 380                 }
 381         }
 382         if (NULL == norm) {
 383                 dprintk(PREFIX "Unsupported tvnorm entry - audio muted\n");
 384                 return -1;
 385         }
 386
 387         dprintk(PREFIX "configure for: %s\n",norm->name);
 388         buf[1] = norm->b;
 389         buf[2] = norm->c;
 390         buf[3] = norm->e;
 391         return 0;
 392 }
 393
 394 static unsigned int port1  = UNSET;
 395 static unsigned int port2  = UNSET;
 396 static unsigned int qss    = UNSET;
 397 static unsigned int adjust = 0x10;
 398 module_param(port1, int, 0644);
 399 module_param(port2, int, 0644);
 400 module_param(qss, int, 0644);
 401 module_param(adjust, int, 0644);
 402
 403 static int tda9887_set_insmod(struct tda9887 *t, char *buf)
 404 {
 405         if (UNSET != port1) {
 406                 if (port1)
 407                         buf[1] |= cOutputPort1Inactive;
 408                 else
 409                         buf[1] &= ~cOutputPort1Inactive;
 410         }
 411         if (UNSET != port2) {
 412                 if (port2)
 413                         buf[1] |= cOutputPort2Inactive;
 414                 else
 415                         buf[1] &= ~cOutputPort2Inactive;
 416         }
 417
 418         if (UNSET != qss) {
 419                 if (qss)
 420                         buf[1] |= cQSS;
 421                 else
 422                         buf[1] &= ~cQSS;
 423         }
 424
 425         if (adjust >= 0x00 && adjust < 0x20)
 426                 buf[2] |= adjust;
 427         return 0;
 428 }
 429
 430 static int tda9887_set_config(struct tda9887 *t, char *buf)
 431 {
 432         if (t->config & TDA9887_PORT1_ACTIVE)
 433                 buf[1] &= ~cOutputPort1Inactive;
 434         if (t->config & TDA9887_PORT1_INACTIVE)
 435                 buf[1] |= cOutputPort1Inactive;
 436         if (t->config & TDA9887_PORT2_ACTIVE)
 437                 buf[1] &= ~cOutputPort2Inactive;
 438         if (t->config & TDA9887_PORT2_INACTIVE)
 439                 buf[1] |= cOutputPort2Inactive;
 440
 441         if (t->config & TDA9887_QSS)
 442                 buf[1] |= cQSS;
 443         if (t->config & TDA9887_INTERCARRIER)
 444                 buf[1] &= ~cQSS;
 445
 446         if (t->config & TDA9887_AUTOMUTE)
 447                 buf[1] |= cAutoMuteFmActive;
 448         if (t->config & TDA9887_DEEMPHASIS_MASK) {
 449                 buf[2] &= ~0x60;
 450                 switch (t->config & TDA9887_DEEMPHASIS_MASK) {
 451                 case TDA9887_DEEMPHASIS_NONE:
 452                         buf[2] |= cDeemphasisOFF;
 453                         break;
 454                 case TDA9887_DEEMPHASIS_50:
 455                         buf[2] |= cDeemphasisON | cDeemphasis50;
 456                         break;
 457                 case TDA9887_DEEMPHASIS_75:
 458                         buf[2] |= cDeemphasisON | cDeemphasis75;
 459                         break;
 460                 }
 461         }
 462         return 0;
 463 }
 464
 465 /* ---------------------------------------------------------------------- */
 466
 467 static int tda9887_set_pinnacle(struct tda9887 *t, char *buf)
 468 {
 469         unsigned int bCarrierMode = UNSET;
 470
 471         if (t->std & V4L2_STD_625_50) {
 472                 if ((1 == t->pinnacle_id) || (7 == t->pinnacle_id)) {
 473                         bCarrierMode = cIntercarrier;
 474                 } else {
 475                         bCarrierMode = cQSS;
 476                 }
 477         }
 478         if (t->std & V4L2_STD_525_60) {
 479                 if ((5 == t->pinnacle_id) || (6 == t->pinnacle_id)) {
 480                         bCarrierMode = cIntercarrier;
 481                 } else {
 482                         bCarrierMode = cQSS;
 483                 }
 484         }
 485
 486         if (bCarrierMode != UNSET) {
 487                 buf[1] &= ~0x04;
 488                 buf[1] |= bCarrierMode;
 489         }
 490         return 0;
 491 }
 492
 493 /* ---------------------------------------------------------------------- */
 494
 495 static char pal[] = "-";
 496 module_param_string(pal, pal, sizeof(pal), 0644);
 497 static char secam[] = "-";
 498 module_param_string(secam, secam, sizeof(secam), 0644);
 499
 500 static int tda9887_fixup_std(struct tda9887 *t)
 501 {
 502         /* get more precise norm info from insmod option */
 503         if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) {
 504                 switch (pal[0]) {
 505                 case 'b':
 506                 case 'B':
 507                 case 'g':
 508                 case 'G':
 509                         dprintk(PREFIX "insmod fixup: PAL => PAL-BG\n");
 510                         t->std = V4L2_STD_PAL_BG;
 511                         break;
 512                 case 'i':
 513                 case 'I':
 514                         dprintk(PREFIX "insmod fixup: PAL => PAL-I\n");
 515                         t->std = V4L2_STD_PAL_I;
 516                         break;
 517                 case 'd':
 518                 case 'D':
 519                 case 'k':
 520                 case 'K':
 521                         dprintk(PREFIX "insmod fixup: PAL => PAL-DK\n");
 522                         t->std = V4L2_STD_PAL_DK;
 523                         break;
 524                 case '-':
 525                         /* default parameter, do nothing */
 526                         break;
 527                 default:
 528                         printk(PREFIX "pal= argument not recognised\n");
 529                         break;
 530                 }
 531         }
 532         if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) {
 533                 switch (secam[0]) {
 534                 case 'd':
 535                 case 'D':
 536                 case 'k':
 537                 case 'K':
 538                         dprintk(PREFIX "insmod fixup: SECAM => SECAM-DK\n");
 539                         t->std = V4L2_STD_SECAM_DK;
 540                         break;
 541                 case 'l':
 542                 case 'L':
 543                         dprintk(PREFIX "insmod fixup: SECAM => SECAM-L\n");
 544                         t->std = V4L2_STD_SECAM_L;
 545                         break;
 546                 case '-':
 547                         /* default parameter, do nothing */
 548                         break;
 549                 default:
 550                         printk(PREFIX "secam= argument not recognised\n");
 551                         break;
 552                 }
 553         }
 554         return 0;
 555 }
 556
 557 static int tda9887_status(struct tda9887 *t)
 558 {
 559         unsigned char buf[1];
 560         int rc;
 561
 562         memset(buf,0,sizeof(buf));
 563         if (1 != (rc = i2c_master_recv(&t->client,buf,1)))
 564                 printk(PREFIX "i2c i/o error: rc == %d (should be 1)\n",rc);
 565         dump_read_message(buf);
 566         return 0;
 567 }
 568
 569 static int tda9887_configure(struct tda9887 *t)
 570 {
 571         unsigned char buf[4];
 572         int rc;
 573
 574         memset(buf,0,sizeof(buf));
 575         tda9887_set_tvnorm(t,buf);
 576
 577         buf[1] |= cOutputPort1Inactive;
 578         buf[1] |= cOutputPort2Inactive;
 579
 580         if (UNSET != t->pinnacle_id) {
 581                 tda9887_set_pinnacle(t,buf);
 582         }
 583         tda9887_set_config(t,buf);
 584         tda9887_set_insmod(t,buf);
 585
 586         if (t->mode == T_STANDBY) {
 587                 buf[1] |= cForcedMuteAudioON;
 588         }
 589
 590
 591         dprintk(PREFIX "writing: b=0x%02x c=0x%02x e=0x%02x\n",
 592                 buf[1],buf[2],buf[3]);
 593         if (debug > 1)
 594                 dump_write_message(buf);
 595
 596         if (4 != (rc = i2c_master_send(&t->client,buf,4)))
 597                 printk(PREFIX "i2c i/o error: rc == %d (should be 4)\n",rc);
 598
 599         if (debug > 2) {
 600                 msleep_interruptible(1000);
 601                 tda9887_status(t);
 602         }
 603         return 0;
 604 }
 605
 606 /* ---------------------------------------------------------------------- */
 607
 608 static int tda9887_attach(struct i2c_adapter *adap, int addr, int kind)
 609 {
 610         struct tda9887 *t;
 611
 612         client_template.adapter = adap;
 613         client_template.addr    = addr;
 614
 615         printk(PREFIX "chip found @ 0x%x\n", addr<<1);
 616
 617         if (NULL == (t = kmalloc(sizeof(*t), GFP_KERNEL)))
 618                 return -ENOMEM;
 619         memset(t,0,sizeof(*t));
 620
 621         t->client      = client_template;
 622         t->std         = 0;
 623         t->pinnacle_id = UNSET;
 624         t->radio_mode = V4L2_TUNER_MODE_STEREO;
 625
 626         i2c_set_clientdata(&t->client, t);
 627         i2c_attach_client(&t->client);
 628
 629         return 0;
 630 }
 631
 632 static int tda9887_probe(struct i2c_adapter *adap)
 633 {
 634 #ifdef I2C_CLASS_TV_ANALOG
 635         if (adap->class & I2C_CLASS_TV_ANALOG)
 636                 return i2c_probe(adap, &addr_data, tda9887_attach);
 637 #else
 638         switch (adap->id) {
 639         case I2C_HW_B_BT848:
 640         case I2C_HW_B_RIVA:
 641         case I2C_HW_SAA7134:
 642                 return i2c_probe(adap, &addr_data, tda9887_attach);
 643                 break;
 644         }
 645 #endif
 646         return 0;
 647 }
 648
 649 static int tda9887_detach(struct i2c_client *client)
 650 {
 651         struct tda9887 *t = i2c_get_clientdata(client);
 652
 653         i2c_detach_client(client);
 654         kfree(t);
 655         return 0;
 656 }
 657
 658 #define SWITCH_V4L2     if (!t->using_v4l2 && debug) \
 659                           printk(PREFIX "switching to v4l2\n"); \
 660                           t->using_v4l2 = 1;
 661 #define CHECK_V4L2      if (t->using_v4l2) { if (debug) \
 662                           printk(PREFIX "ignore v4l1 call\n"); \
 663                           return 0; }
 664
 665 static int
 666 tda9887_command(struct i2c_client *client, unsigned int cmd, void *arg)
 667 {
 668         struct tda9887 *t = i2c_get_clientdata(client);
 669
 670         switch (cmd) {
 671
 672         /* --- configuration --- */
 673         case AUDC_SET_RADIO:
 674         {
 675                 t->mode = T_RADIO;
 676                 tda9887_configure(t);
 677                 break;
 678         }
 679         case TUNER_SET_STANDBY:
 680         {
 681                 t->mode = T_STANDBY;
 682                 tda9887_configure(t);
 683                 break;
 684         }
 685         case AUDC_CONFIG_PINNACLE:
 686         {
 687                 int *i = arg;
 688
 689                 t->pinnacle_id = *i;
 690                 tda9887_configure(t);
 691                 break;
 692         }
 693         case TDA9887_SET_CONFIG:
 694         {
 695                 int *i = arg;
 696
 697                 t->config = *i;
 698                 tda9887_configure(t);
 699                 break;
 700         }
 701         /* --- v4l ioctls --- */
 702         /* take care: bttv does userspace copying, we'll get a
 703            kernel pointer here... */
 704         case VIDIOCSCHAN:
 705         {
 706                 static const v4l2_std_id map[] = {
 707                         [ VIDEO_MODE_PAL   ] = V4L2_STD_PAL,
 708                         [ VIDEO_MODE_NTSC  ] = V4L2_STD_NTSC_M,
 709                         [ VIDEO_MODE_SECAM ] = V4L2_STD_SECAM,
 710                         [ 4 /* bttv */     ] = V4L2_STD_PAL_M,
 711                         [ 5 /* bttv */     ] = V4L2_STD_PAL_N,
 712                         [ 6 /* bttv */     ] = V4L2_STD_NTSC_M_JP,
 713                 };
 714                 struct video_channel *vc = arg;
 715
 716                 CHECK_V4L2;
 717                 t->mode = T_ANALOG_TV;
 718                 if (vc->norm < ARRAY_SIZE(map))
 719                         t->std = map[vc->norm];
 720                 tda9887_fixup_std(t);
 721                 tda9887_configure(t);
 722                 break;
 723         }
 724         case VIDIOC_S_STD:
 725         {
 726                 v4l2_std_id *id = arg;
 727
 728                 SWITCH_V4L2;
 729                 t->mode = T_ANALOG_TV;
 730                 t->std   = *id;
 731                 tda9887_fixup_std(t);
 732                 tda9887_configure(t);
 733                 break;
 734         }
 735         case VIDIOC_S_FREQUENCY:
 736         {
 737                 struct v4l2_frequency *f = arg;
 738
 739                 SWITCH_V4L2;
 740                 if (V4L2_TUNER_ANALOG_TV == f->type) {
 741                         if (t->mode == T_ANALOG_TV)
 742                                 return 0;
 743                         t->mode = T_ANALOG_TV;
 744                 }
 745                 if (V4L2_TUNER_RADIO == f->type) {
 746                         if (t->mode == T_RADIO)
 747                                 return 0;
 748                         t->mode = T_RADIO;
 749                 }
 750                 tda9887_configure(t);
 751                 break;
 752         }
 753         case VIDIOC_G_TUNER:
 754         {
 755                 static int AFC_BITS_2_kHz[] = {
 756                         -12500,  -37500,  -62500,  -97500,
 757                         -112500, -137500, -162500, -187500,
 758                         187500,  162500,  137500,  112500,
 759                         97500 ,  62500,   37500 ,  12500
 760                 };
 761                 struct v4l2_tuner* tuner = arg;
 762
 763                 if (t->mode == T_RADIO) {
 764                         __u8 reg = 0;
 765                         tuner->afc=0;
 766                         if (1 == i2c_master_recv(&t->client,&reg,1))
 767                                 tuner->afc = AFC_BITS_2_kHz[(reg>>1)&0x0f];
 768                 }
 769                 break;
 770         }
 771         case VIDIOC_S_TUNER:
 772         {
 773                 struct v4l2_tuner* tuner = arg;
 774
 775                 if (t->mode == T_RADIO) {
 776                         t->radio_mode = tuner->audmode;
 777                         tda9887_configure (t);
 778                 }
 779                 break;
 780         }
 781         default:
 782                 /* nothing */
 783                 break;
 784         }
 785         return 0;
 786 }
 787
 788 static int tda9887_suspend(struct device * dev, pm_message_t state)
 789 {
 790         dprintk("tda9887: suspend\n");
 791         return 0;
 792 }
 793
 794 static int tda9887_resume(struct device * dev)
 795 {
 796         struct i2c_client *c = container_of(dev, struct i2c_client, dev);
 797         struct tda9887 *t = i2c_get_clientdata(c);
 798
 799         dprintk("tda9887: resume\n");
 800         tda9887_configure(t);
 801         return 0;
 802 }
 803
 804 /* ----------------------------------------------------------------------- */
 805
 806 static struct i2c_driver driver = {
 807         .owner          = THIS_MODULE,
 808         .name           = "i2c tda9887 driver",
 809         .id             = -1, /* FIXME */
 810         .flags          = I2C_DF_NOTIFY,
 811         .attach_adapter = tda9887_probe,
 812         .detach_client  = tda9887_detach,
 813         .command        = tda9887_command,
 814         .driver = {
 815                 .suspend = tda9887_suspend,
 816                 .resume  = tda9887_resume,
 817         },
 818 };
 819 static struct i2c_client client_template =
 820 {
 821         .name      = "tda9887",
 822         .flags     = I2C_CLIENT_ALLOW_USE,
 823         .driver    = &driver,
 824 };
 825
 826 static int __init tda9887_init_module(void)
 827 {
 828         return i2c_add_driver(&driver);
 829 }
 830
 831 static void __exit tda9887_cleanup_module(void)
 832 {
 833         i2c_del_driver(&driver);
 834 }
 835
 836 module_init(tda9887_init_module);
 837 module_exit(tda9887_cleanup_module);
 838
 839 /*
 840  * Overrides for Emacs so that we follow Linus's tabbing style.
 841  * ---------------------------------------------------------------------------
 842  * Local variables:
 843  * c-basic-offset: 8
 844  * End:
 845  */