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 */
  27
  28
  29 /* Addresses to scan */
  30 static unsigned short normal_i2c[] = {
  31         0x84 >>1,
  32         0x86 >>1,
  33         0x96 >>1,
  34         I2C_CLIENT_END,
  35 };
  36 static unsigned short normal_i2c_range[] = {I2C_CLIENT_END,I2C_CLIENT_END};
  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         unsigned int       radio;
  54         unsigned int       config;
  55         unsigned int       pinnacle_id;
  56         unsigned int       using_v4l2;
  57 };
  58
  59 struct tvnorm {
  60         v4l2_std_id       std;
  61         char              *name;
  62         unsigned char     b;
  63         unsigned char     c;
  64         unsigned char     e;
  65 };
  66
  67 static struct i2c_driver driver;
  68 static struct i2c_client client_template;
  69
  70 /* ---------------------------------------------------------------------- */
  71
  72 //
  73 // TDA defines
  74 //
  75
  76 //// first reg (b)
  77 #define cVideoTrapBypassOFF     0x00    // bit b0
  78 #define cVideoTrapBypassON      0x01    // bit b0
  79
  80 #define cAutoMuteFmInactive     0x00    // bit b1
  81 #define cAutoMuteFmActive       0x02    // bit b1
  82
  83 #define cIntercarrier           0x00    // bit b2
  84 #define cQSS                    0x04    // bit b2
  85
  86 #define cPositiveAmTV           0x00    // bit b3:4
  87 #define cFmRadio                0x08    // bit b3:4
  88 #define cNegativeFmTV           0x10    // bit b3:4
  89
  90
  91 #define cForcedMuteAudioON      0x20    // bit b5
  92 #define cForcedMuteAudioOFF     0x00    // bit b5
  93
  94 #define cOutputPort1Active      0x00    // bit b6
  95 #define cOutputPort1Inactive    0x40    // bit b6
  96
  97 #define cOutputPort2Active      0x00    // bit b7
  98 #define cOutputPort2Inactive    0x80    // bit b7
  99
 100
 101 //// second reg (c)
 102 #define cDeemphasisOFF          0x00    // bit c5
 103 #define cDeemphasisON           0x20    // bit c5
 104
 105 #define cDeemphasis75           0x00    // bit c6
 106 #define cDeemphasis50           0x40    // bit c6
 107
 108 #define cAudioGain0             0x00    // bit c7
 109 #define cAudioGain6             0x80    // bit c7
 110
 111
 112 //// third reg (e)
 113 #define cAudioIF_4_5             0x00    // bit e0:1
 114 #define cAudioIF_5_5             0x01    // bit e0:1
 115 #define cAudioIF_6_0             0x02    // bit e0:1
 116 #define cAudioIF_6_5             0x03    // bit e0:1
 117
 118
 119 #define cVideoIF_58_75           0x00    // bit e2:4
 120 #define cVideoIF_45_75           0x04    // bit e2:4
 121 #define cVideoIF_38_90           0x08    // bit e2:4
 122 #define cVideoIF_38_00           0x0C    // bit e2:4
 123 #define cVideoIF_33_90           0x10    // bit e2:4
 124 #define cVideoIF_33_40           0x14    // bit e2:4
 125 #define cRadioIF_45_75           0x18    // bit e2:4
 126 #define cRadioIF_38_90           0x1C    // bit e2:4
 127
 128
 129 #define cTunerGainNormal         0x00    // bit e5
 130 #define cTunerGainLow            0x20    // bit e5
 131
 132 #define cGating_18               0x00    // bit e6
 133 #define cGating_36               0x40    // bit e6
 134
 135 #define cAgcOutON                0x80    // bit e7
 136 #define cAgcOutOFF               0x00    // bit e7
 137
 138 /* ---------------------------------------------------------------------- */
 139
 140 static struct tvnorm tvnorms[] = {
 141         {
 142                 .std   = V4L2_STD_PAL_BG,
 143                 .name  = "PAL-BG",
 144                 .b     = ( cNegativeFmTV  |
 145                            cQSS           ),
 146                 .c     = ( cDeemphasisON  |
 147                            cDeemphasis50  ),
 148                 .e     = ( cAudioIF_5_5   |
 149                            cVideoIF_38_90 ),
 150         },{
 151                 .std   = V4L2_STD_PAL_I,
 152                 .name  = "PAL-I",
 153                 .b     = ( cNegativeFmTV  |
 154                            cQSS           ),
 155                 .c     = ( cDeemphasisON  |
 156                            cDeemphasis50  ),
 157                 .e     = ( cAudioIF_6_0   |
 158                            cVideoIF_38_90 ),
 159         },{
 160                 .std   = V4L2_STD_PAL_DK,
 161                 .name  = "PAL-DK",
 162                 .b     = ( cNegativeFmTV  |
 163                            cQSS           ),
 164                 .c     = ( cDeemphasisON  |
 165                            cDeemphasis50  ),
 166                 .e     = ( cAudioIF_6_5   |
 167                            cVideoIF_38_00 ),
 168         },{
 169                 .std   = V4L2_STD_PAL_M | V4L2_STD_PAL_N,
 170                 .name  = "PAL-M/N",
 171                 .b     = ( cNegativeFmTV  |
 172                            cQSS           ),
 173                 .c     = ( cDeemphasisON  |
 174                            cDeemphasis75  ),
 175                 .e     = ( cAudioIF_4_5   |
 176                            cVideoIF_45_75 ),
 177         },{
 178                 .std   = V4L2_STD_SECAM_L,
 179                 .name  = "SECAM-L",
 180                 .b     = ( cPositiveAmTV  |
 181                            cQSS           ),
 182                 .e     = ( cAudioIF_6_5   |
 183                            cVideoIF_38_90 ),
 184         },{
 185                 .std   = V4L2_STD_SECAM_DK,
 186                 .name  = "SECAM-DK",
 187                 .b     = ( cNegativeFmTV  |
 188                            cQSS           ),
 189                 .c     = ( cDeemphasisON  |
 190                            cDeemphasis50  ),
 191                 .e     = ( cAudioIF_6_5   |
 192                            cVideoIF_38_00 ),
 193         },{
 194                 .std   = V4L2_STD_NTSC_M,
 195                 .name  = "NTSC-M",
 196                 .b     = ( cNegativeFmTV  |
 197                            cQSS           ),
 198                 .c     = ( cDeemphasisON  |
 199                            cDeemphasis50  ),
 200                 .e     = ( cGating_36     |
 201                            cAudioIF_4_5   |
 202                            cVideoIF_45_75 ),
 203         },{
 204                 .std   = V4L2_STD_NTSC_M_JP,
 205                 .name  = "NTSC-JP",
 206                 .b     = ( cNegativeFmTV  |
 207                            cQSS           ),
 208                 .c     = ( cDeemphasisON  |
 209                            cDeemphasis50  ),
 210                 .e     = ( cGating_36     |
 211                            cAudioIF_4_5   |
 212                            cVideoIF_58_75 ),
 213         }
 214 };
 215
 216 static struct tvnorm radio = {
 217         .name = "radio",
 218         .b    = ( cFmRadio       |
 219                   cQSS           ),
 220         .c    = ( cDeemphasisON  |
 221                   cDeemphasis50  ),
 222         .e    = ( cAudioIF_5_5   |
 223                   cRadioIF_38_90 ),
 224 };
 225
 226 /* ---------------------------------------------------------------------- */
 227
 228 static void dump_read_message(unsigned char *buf)
 229 {
 230         static char *afc[16] = {
 231                 "- 12.5 kHz",
 232                 "- 37.5 kHz",
 233                 "- 62.5 kHz",
 234                 "- 87.5 kHz",
 235                 "-112.5 kHz",
 236                 "-137.5 kHz",
 237                 "-162.5 kHz",
 238                 "-187.5 kHz [min]",
 239                 "+187.5 kHz [max]",
 240                 "+162.5 kHz",
 241                 "+137.5 kHz",
 242                 "+112.5 kHz",
 243                 "+ 87.5 kHz",
 244                 "+ 62.5 kHz",
 245                 "+ 37.5 kHz",
 246                 "+ 12.5 kHz",
 247         };
 248         printk(PREFIX "read: 0x%2x\n", buf[0]);
 249         printk("  after power on : %s\n", (buf[0] & 0x01) ? "yes" : "no");
 250         printk("  afc            : %s\n", afc[(buf[0] >> 1) & 0x0f]);
 251         printk("  fmif level     : %s\n", (buf[0] & 0x20) ? "high" : "low");
 252         printk("  afc window     : %s\n", (buf[0] & 0x40) ? "in" : "out");
 253         printk("  vfi level      : %s\n", (buf[0] & 0x80) ? "high" : "low");
 254 }
 255
 256 static void dump_write_message(unsigned char *buf)
 257 {
 258         static char *sound[4] = {
 259                 "AM/TV",
 260                 "FM/radio",
 261                 "FM/TV",
 262                 "FM/radio"
 263         };
 264         static char *adjust[32] = {
 265                 "-16", "-15", "-14", "-13", "-12", "-11", "-10", "-9",
 266                 "-8",  "-7",  "-6",  "-5",  "-4",  "-3",  "-2",  "-1",
 267                 "0",   "+1",  "+2",  "+3",  "+4",  "+5",  "+6",  "+7",
 268                 "+8",  "+9",  "+10", "+11", "+12", "+13", "+14", "+15"
 269         };
 270         static char *deemph[4] = {
 271                 "no", "no", "75", "50"
 272         };
 273         static char *carrier[4] = {
 274                 "4.5 MHz",
 275                 "5.5 MHz",
 276                 "6.0 MHz",
 277                 "6.5 MHz / AM"
 278         };
 279         static char *vif[8] = {
 280                 "58.75 MHz",
 281                 "45.75 MHz",
 282                 "38.9 MHz",
 283                 "38.0 MHz",
 284                 "33.9 MHz",
 285                 "33.4 MHz",
 286                 "45.75 MHz + pin13",
 287                 "38.9 MHz + pin13",
 288         };
 289         static char *rif[4] = {
 290                 "44 MHz",
 291                 "52 MHz",
 292                 "52 MHz",
 293                 "44 MHz",
 294         };
 295
 296         printk(PREFIX "write: byte B 0x%02x\n",buf[1]);
 297         printk("  B0   video mode      : %s\n",
 298                (buf[1] & 0x01) ? "video trap" : "sound trap");
 299         printk("  B1   auto mute fm    : %s\n",
 300                (buf[1] & 0x02) ? "yes" : "no");
 301         printk("  B2   carrier mode    : %s\n",
 302                (buf[1] & 0x04) ? "QSS" : "Intercarrier");
 303         printk("  B3-4 tv sound/radio  : %s\n",
 304                sound[(buf[1] & 0x18) >> 3]);
 305         printk("  B5   force mute audio: %s\n",
 306                (buf[1] & 0x20) ? "yes" : "no");
 307         printk("  B6   output port 1   : %s\n",
 308                (buf[1] & 0x40) ? "high (inactive)" : "low (active)");
 309         printk("  B7   output port 2   : %s\n",
 310                (buf[1] & 0x80) ? "high (inactive)" : "low (active)");
 311
 312         printk(PREFIX "write: byte C 0x%02x\n",buf[2]);
 313         printk("  C0-4 top adjustment  : %s dB\n", adjust[buf[2] & 0x1f]);
 314         printk("  C5-6 de-emphasis     : %s\n", deemph[(buf[2] & 0x60) >> 5]);
 315         printk("  C7   audio gain      : %s\n",
 316                (buf[2] & 0x80) ? "-6" : "0");
 317
 318         printk(PREFIX "write: byte E 0x%02x\n",buf[3]);
 319         printk("  E0-1 sound carrier   : %s\n",
 320                carrier[(buf[3] & 0x03)]);
 321         printk("  E6   l pll ganting   : %s\n",
 322                (buf[3] & 0x40) ? "36" : "13");
 323
 324         if (buf[1] & 0x08) {
 325                 /* radio */
 326                 printk("  E2-4 video if        : %s\n",
 327                        rif[(buf[3] & 0x0c) >> 2]);
 328                 printk("  E7   vif agc output  : %s\n",
 329                        (buf[3] & 0x80)
 330                        ? ((buf[3] & 0x10) ? "fm-agc radio" : "sif-agc radio")
 331                        : "fm radio carrier afc");
 332         } else {
 333                 /* video */
 334                 printk("  E2-4 video if        : %s\n",
 335                        vif[(buf[3] & 0x1c) >> 2]);
 336                 printk("  E5   tuner gain      : %s\n",
 337                        (buf[3] & 0x80)
 338                        ? ((buf[3] & 0x20) ? "external" : "normal")
 339                        : ((buf[3] & 0x20) ? "minimum"  : "normal"));
 340                 printk("  E7   vif agc output  : %s\n",
 341                        (buf[3] & 0x80)
 342                        ? ((buf[3] & 0x20)
 343                           ? "pin3 port, pin22 vif agc out"
 344                           : "pin22 port, pin3 vif acg ext in")
 345                        : "pin3+pin22 port");
 346         }
 347         printk("--\n");
 348 }
 349
 350 /* ---------------------------------------------------------------------- */
 351
 352 static int tda9887_set_tvnorm(struct tda9887 *t, char *buf)
 353 {
 354         struct tvnorm *norm = NULL;
 355         int i;
 356
 357         if (t->radio) {
 358                 norm = &radio;
 359         } else {
 360                 for (i = 0; i < ARRAY_SIZE(tvnorms); i++) {
 361                         if (tvnorms[i].std & t->std) {
 362                                 norm = tvnorms+i;
 363                                 break;
 364                         }
 365                 }
 366         }
 367         if (NULL == norm) {
 368                 dprintk(PREFIX "Oops: no tvnorm entry found\n");
 369                 return -1;
 370         }
 371
 372         dprintk(PREFIX "configure for: %s\n",norm->name);
 373         buf[1] = norm->b;
 374         buf[2] = norm->c;
 375         buf[3] = norm->e;
 376         return 0;
 377 }
 378
 379 static unsigned int port1  = UNSET;
 380 static unsigned int port2  = UNSET;
 381 static unsigned int qss    = UNSET;
 382 static unsigned int adjust = 0x10;
 383 module_param(port1, int, 0644);
 384 module_param(port2, int, 0644);
 385 module_param(qss, int, 0644);
 386 module_param(adjust, int, 0644);
 387
 388 static int tda9887_set_insmod(struct tda9887 *t, char *buf)
 389 {
 390         if (UNSET != port1) {
 391                 if (port1)
 392                         buf[1] |= cOutputPort1Inactive;
 393                 else
 394                         buf[1] &= ~cOutputPort1Inactive;
 395         }
 396         if (UNSET != port2) {
 397                 if (port2)
 398                         buf[1] |= cOutputPort2Inactive;
 399                 else
 400                         buf[1] &= ~cOutputPort2Inactive;
 401         }
 402
 403         if (UNSET != qss) {
 404                 if (qss)
 405                         buf[1] |= cQSS;
 406                 else
 407                         buf[1] &= ~cQSS;
 408         }
 409
 410         if (adjust >= 0x00 && adjust < 0x20)
 411                 buf[2] |= adjust;
 412         return 0;
 413 }
 414
 415 static int tda9887_set_config(struct tda9887 *t, char *buf)
 416 {
 417         if (t->config & TDA9887_PORT1_ACTIVE)
 418                 buf[1] &= ~cOutputPort1Inactive;
 419         if (t->config & TDA9887_PORT1_INACTIVE)
 420                 buf[1] |= cOutputPort1Inactive;
 421         if (t->config & TDA9887_PORT2_ACTIVE)
 422                 buf[1] &= ~cOutputPort2Inactive;
 423         if (t->config & TDA9887_PORT2_INACTIVE)
 424                 buf[1] |= cOutputPort2Inactive;
 425
 426         if (t->config & TDA9887_QSS)
 427                 buf[1] |= cQSS;
 428         if (t->config & TDA9887_INTERCARRIER)
 429                 buf[1] &= ~cQSS;
 430
 431         if (t->config & TDA9887_AUTOMUTE)
 432                 buf[1] |= cAutoMuteFmActive;
 433         if (t->config & TDA9887_DEEMPHASIS_MASK) {
 434                 buf[2] &= ~0x60;
 435                 switch (t->config & TDA9887_DEEMPHASIS_MASK) {
 436                 case TDA9887_DEEMPHASIS_NONE:
 437                         buf[2] |= cDeemphasisOFF;
 438                         break;
 439                 case TDA9887_DEEMPHASIS_50:
 440                         buf[2] |= cDeemphasisON | cDeemphasis50;
 441                         break;
 442                 case TDA9887_DEEMPHASIS_75:
 443                         buf[2] |= cDeemphasisON | cDeemphasis75;
 444                         break;
 445                 }
 446         }
 447         return 0;
 448 }
 449
 450 /* ---------------------------------------------------------------------- */
 451
 452 static int tda9887_set_pinnacle(struct tda9887 *t, char *buf)
 453 {
 454         unsigned int bCarrierMode = UNSET;
 455
 456         if (t->std & V4L2_STD_625_50) {
 457                 if ((1 == t->pinnacle_id) || (7 == t->pinnacle_id)) {
 458                         bCarrierMode = cIntercarrier;
 459                 } else {
 460                         bCarrierMode = cQSS;
 461                 }
 462         }
 463         if (t->std & V4L2_STD_525_60) {
 464                 if ((5 == t->pinnacle_id) || (6 == t->pinnacle_id)) {
 465                         bCarrierMode = cIntercarrier;
 466                 } else {
 467                         bCarrierMode = cQSS;
 468                 }
 469         }
 470
 471         if (bCarrierMode != UNSET) {
 472                 buf[1] &= ~0x04;
 473                 buf[1] |= bCarrierMode;
 474         }
 475         return 0;
 476 }
 477
 478 /* ---------------------------------------------------------------------- */
 479
 480 static char pal[] = "-";
 481 module_param_string(pal, pal, 0644, sizeof(pal));
 482 static char secam[] = "-";
 483 module_param_string(secam, secam, 0644, sizeof(secam));
 484
 485 static int tda9887_fixup_std(struct tda9887 *t)
 486 {
 487         /* get more precise norm info from insmod option */
 488         if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) {
 489                 switch (pal[0]) {
 490                 case 'b':
 491                 case 'B':
 492                 case 'g':
 493                 case 'G':
 494                         dprintk(PREFIX "insmod fixup: PAL => PAL-BG\n");
 495                         t->std = V4L2_STD_PAL_BG;
 496                         break;
 497                 case 'i':
 498                 case 'I':
 499                         dprintk(PREFIX "insmod fixup: PAL => PAL-I\n");
 500                         t->std = V4L2_STD_PAL_I;
 501                         break;
 502                 case 'd':
 503                 case 'D':
 504                 case 'k':
 505                 case 'K':
 506                         dprintk(PREFIX "insmod fixup: PAL => PAL-DK\n");
 507                         t->std = V4L2_STD_PAL_DK;
 508                         break;
 509                 }
 510         }
 511         if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) {
 512                 switch (secam[0]) {
 513                 case 'd':
 514                 case 'D':
 515                 case 'k':
 516                 case 'K':
 517                         dprintk(PREFIX "insmod fixup: SECAM => SECAM-DK\n");
 518                         t->std = V4L2_STD_SECAM_DK;
 519                         break;
 520                 case 'l':
 521                 case 'L':
 522                         dprintk(PREFIX "insmod fixup: SECAM => SECAM-L\n");
 523                         t->std = V4L2_STD_SECAM_L;
 524                         break;
 525                 }
 526         }
 527         return 0;
 528 }
 529
 530 static int tda9887_status(struct tda9887 *t)
 531 {
 532         unsigned char buf[1];
 533         int rc;
 534
 535         memset(buf,0,sizeof(buf));
 536         if (1 != (rc = i2c_master_recv(&t->client,buf,1)))
 537                 printk(PREFIX "i2c i/o error: rc == %d (should be 1)\n",rc);
 538         dump_read_message(buf);
 539         return 0;
 540 }
 541
 542 static int tda9887_configure(struct tda9887 *t)
 543 {
 544         unsigned char buf[4];
 545         int rc;
 546
 547         memset(buf,0,sizeof(buf));
 548         tda9887_set_tvnorm(t,buf);
 549         buf[1] |= cOutputPort1Inactive;
 550         buf[1] |= cOutputPort2Inactive;
 551         if (UNSET != t->pinnacle_id) {
 552                 tda9887_set_pinnacle(t,buf);
 553         }
 554         tda9887_set_config(t,buf);
 555         tda9887_set_insmod(t,buf);
 556
 557 #if 0
 558         /* This as-is breaks some cards, must be fixed in a
 559          * card-specific way, probably using TDA9887_SET_CONFIG to
 560          * turn on/off port2 */
 561         if (t->std & V4L2_STD_SECAM_L) {
 562                 /* secam fixup (FIXME: move this to tvnorms array?) */
 563                 buf[1] &= ~cOutputPort2Inactive;
 564         }
 565 #endif
 566
 567         dprintk(PREFIX "writing: b=0x%02x c=0x%02x e=0x%02x\n",
 568                 buf[1],buf[2],buf[3]);
 569         if (debug > 1)
 570                 dump_write_message(buf);
 571
 572         if (4 != (rc = i2c_master_send(&t->client,buf,4)))
 573                 printk(PREFIX "i2c i/o error: rc == %d (should be 4)\n",rc);
 574
 575         if (debug > 2) {
 576                 msleep_interruptible(1000);
 577                 tda9887_status(t);
 578         }
 579         return 0;
 580 }
 581
 582 /* ---------------------------------------------------------------------- */
 583
 584 static int tda9887_attach(struct i2c_adapter *adap, int addr, int kind)
 585 {
 586         struct tda9887 *t;
 587
 588         client_template.adapter = adap;
 589         client_template.addr    = addr;
 590
 591         printk(PREFIX "chip found @ 0x%x\n", addr<<1);
 592
 593         if (NULL == (t = kmalloc(sizeof(*t), GFP_KERNEL)))
 594                 return -ENOMEM;
 595         memset(t,0,sizeof(*t));
 596         t->client      = client_template;
 597         t->std         = 0;
 598         t->pinnacle_id = UNSET;
 599         i2c_set_clientdata(&t->client, t);
 600         i2c_attach_client(&t->client);
 601
 602         return 0;
 603 }
 604
 605 static int tda9887_probe(struct i2c_adapter *adap)
 606 {
 607 #ifdef I2C_CLASS_TV_ANALOG
 608         if (adap->class & I2C_CLASS_TV_ANALOG)
 609                 return i2c_probe(adap, &addr_data, tda9887_attach);
 610 #else
 611         switch (adap->id) {
 612         case I2C_ALGO_BIT | I2C_HW_B_BT848:
 613         case I2C_ALGO_BIT | I2C_HW_B_RIVA:
 614         case I2C_ALGO_SAA7134:
 615                 return i2c_probe(adap, &addr_data, tda9887_attach);
 616                 break;
 617         }
 618 #endif
 619         return 0;
 620 }
 621
 622 static int tda9887_detach(struct i2c_client *client)
 623 {
 624         struct tda9887 *t = i2c_get_clientdata(client);
 625
 626         i2c_detach_client(client);
 627         kfree(t);
 628         return 0;
 629 }
 630
 631 #define SWITCH_V4L2     if (!t->using_v4l2 && debug) \
 632                           printk(PREFIX "switching to v4l2\n"); \
 633                           t->using_v4l2 = 1;
 634 #define CHECK_V4L2      if (t->using_v4l2) { if (debug) \
 635                           printk(PREFIX "ignore v4l1 call\n"); \
 636                           return 0; }
 637
 638 static int
 639 tda9887_command(struct i2c_client *client, unsigned int cmd, void *arg)
 640 {
 641         struct tda9887 *t = i2c_get_clientdata(client);
 642
 643         switch (cmd) {
 644
 645         /* --- configuration --- */
 646         case AUDC_SET_RADIO:
 647                 t->radio = 1;
 648                 tda9887_configure(t);
 649                 break;
 650
 651         case AUDC_CONFIG_PINNACLE:
 652         {
 653                 int *i = arg;
 654
 655                 t->pinnacle_id = *i;
 656                 tda9887_configure(t);
 657                 break;
 658         }
 659         case TDA9887_SET_CONFIG:
 660         {
 661                 int *i = arg;
 662
 663                 t->config = *i;
 664                 tda9887_configure(t);
 665                 break;
 666         }
 667         /* --- v4l ioctls --- */
 668         /* take care: bttv does userspace copying, we'll get a
 669            kernel pointer here... */
 670         case VIDIOCSCHAN:
 671         {
 672                 static const v4l2_std_id map[] = {
 673                         [ VIDEO_MODE_PAL   ] = V4L2_STD_PAL,
 674                         [ VIDEO_MODE_NTSC  ] = V4L2_STD_NTSC_M,
 675                         [ VIDEO_MODE_SECAM ] = V4L2_STD_SECAM,
 676                         [ 4 /* bttv */     ] = V4L2_STD_PAL_M,
 677                         [ 5 /* bttv */     ] = V4L2_STD_PAL_N,
 678                         [ 6 /* bttv */     ] = V4L2_STD_NTSC_M_JP,
 679                 };
 680                 struct video_channel *vc = arg;
 681
 682                 CHECK_V4L2;
 683                 t->radio = 0;
 684                 if (vc->norm < ARRAY_SIZE(map))
 685                         t->std = map[vc->norm];
 686                 tda9887_fixup_std(t);
 687                 tda9887_configure(t);
 688                 break;
 689         }
 690         case VIDIOC_S_STD:
 691         {
 692                 v4l2_std_id *id = arg;
 693
 694                 SWITCH_V4L2;
 695                 t->radio = 0;
 696                 t->std   = *id;
 697                 tda9887_fixup_std(t);
 698                 tda9887_configure(t);
 699                 break;
 700         }
 701         case VIDIOC_S_FREQUENCY:
 702         {
 703                 struct v4l2_frequency *f = arg;
 704
 705                 SWITCH_V4L2;
 706                 if (V4L2_TUNER_ANALOG_TV == f->type) {
 707                         if (t->radio == 0)
 708                                 return 0;
 709                         t->radio = 0;
 710                 }
 711                 if (V4L2_TUNER_RADIO == f->type) {
 712                         if (t->radio == 1)
 713                                 return 0;
 714                         t->radio = 1;
 715                 }
 716                 tda9887_configure(t);
 717                 break;
 718         }
 719         case VIDIOC_G_TUNER:
 720         {
 721                 static int AFC_BITS_2_kHz[] = {
 722                         -12500,  -37500,  -62500,  -97500,
 723                         -112500, -137500, -162500, -187500,
 724                         187500,  162500,  137500,  112500,
 725                         97500 ,  62500,   37500 ,  12500
 726                 };
 727                 struct v4l2_tuner* tuner = arg;
 728
 729                 if (t->radio) {
 730                         __u8 reg = 0;
 731                         tuner->afc=0;
 732                         if (1 == i2c_master_recv(&t->client,&reg,1))
 733                                 tuner->afc = AFC_BITS_2_kHz[(reg>>1)&0x0f];
 734                 }
 735                 break;
 736         }
 737         default:
 738                 /* nothing */
 739                 break;
 740         }
 741         return 0;
 742 }
 743
 744 static int tda9887_suspend(struct device * dev, u32 state, u32 level)
 745 {
 746         dprintk("tda9887: suspend\n");
 747         return 0;
 748 }
 749
 750 static int tda9887_resume(struct device * dev, u32 level)
 751 {
 752         struct i2c_client *c = container_of(dev, struct i2c_client, dev);
 753         struct tda9887 *t = i2c_get_clientdata(c);
 754
 755         dprintk("tda9887: resume\n");
 756         tda9887_configure(t);
 757         return 0;
 758 }
 759
 760 /* ----------------------------------------------------------------------- */
 761
 762 static struct i2c_driver driver = {
 763         .owner          = THIS_MODULE,
 764         .name           = "i2c tda9887 driver",
 765         .id             = -1, /* FIXME */
 766         .flags          = I2C_DF_NOTIFY,
 767         .attach_adapter = tda9887_probe,
 768         .detach_client  = tda9887_detach,
 769         .command        = tda9887_command,
 770         .driver = {
 771                 .suspend = tda9887_suspend,
 772                 .resume  = tda9887_resume,
 773         },
 774 };
 775 static struct i2c_client client_template =
 776 {
 777         I2C_DEVNAME("tda9887"),
 778         .flags     = I2C_CLIENT_ALLOW_USE,
 779         .driver    = &driver,
 780 };
 781
 782 static int __init tda9887_init_module(void)
 783 {
 784         return i2c_add_driver(&driver);
 785 }
 786
 787 static void __exit tda9887_cleanup_module(void)
 788 {
 789         i2c_del_driver(&driver);
 790 }
 791
 792 module_init(tda9887_init_module);
 793 module_exit(tda9887_cleanup_module);
 794
 795 /*
 796  * Overrides for Emacs so that we follow Linus's tabbing style.
 797  * ---------------------------------------------------------------------------
 798  * Local variables:
 799  * c-basic-offset: 8
 800  * End:
 801  */