git.oblomov.eu Git - linux-2.6/blob - drivers/media/video/tuner-simple.c

   1 /*
   2  *
   3  * i2c tv tuner chip device driver
   4  * controls all those simple 4-control-bytes style tuners.
   5  */
   6 #include <linux/delay.h>
   7 #include <linux/i2c.h>
   8 #include <linux/videodev.h>
   9 #include <media/tuner.h>
  10
  11 /* ---------------------------------------------------------------------- */
  12
  13 /* tv standard selection for Temic 4046 FM5
  14    this value takes the low bits of control byte 2
  15    from datasheet Rev.01, Feb.00
  16      standard     BG      I       L       L2      D
  17      picture IF   38.9    38.9    38.9    33.95   38.9
  18      sound 1      33.4    32.9    32.4    40.45   32.4
  19      sound 2      33.16
  20      NICAM        33.05   32.348  33.05           33.05
  21  */
  22 #define TEMIC_SET_PAL_I         0x05
  23 #define TEMIC_SET_PAL_DK        0x09
  24 #define TEMIC_SET_PAL_L         0x0a // SECAM ?
  25 #define TEMIC_SET_PAL_L2        0x0b // change IF !
  26 #define TEMIC_SET_PAL_BG        0x0c
  27
  28 /* tv tuner system standard selection for Philips FQ1216ME
  29    this value takes the low bits of control byte 2
  30    from datasheet "1999 Nov 16" (supersedes "1999 Mar 23")
  31      standard           BG      DK      I       L       L`
  32      picture carrier    38.90   38.90   38.90   38.90   33.95
  33      colour             34.47   34.47   34.47   34.47   38.38
  34      sound 1            33.40   32.40   32.90   32.40   40.45
  35      sound 2            33.16   -       -       -       -
  36      NICAM              33.05   33.05   32.35   33.05   39.80
  37  */
  38 #define PHILIPS_SET_PAL_I       0x01 /* Bit 2 always zero !*/
  39 #define PHILIPS_SET_PAL_BGDK    0x09
  40 #define PHILIPS_SET_PAL_L2      0x0a
  41 #define PHILIPS_SET_PAL_L       0x0b
  42
  43 /* system switching for Philips FI1216MF MK2
  44    from datasheet "1996 Jul 09",
  45     standard         BG     L      L'
  46     picture carrier  38.90  38.90  33.95
  47     colour           34.47  34.37  38.38
  48     sound 1          33.40  32.40  40.45
  49     sound 2          33.16  -      -
  50     NICAM            33.05  33.05  39.80
  51  */
  52 #define PHILIPS_MF_SET_BG       0x01 /* Bit 2 must be zero, Bit 3 is system output */
  53 #define PHILIPS_MF_SET_PAL_L    0x03 // France
  54 #define PHILIPS_MF_SET_PAL_L2   0x02 // L'
  55
  56 /* Control byte */
  57
  58 #define TUNER_RATIO_MASK        0x06 /* Bit cb1:cb2 */
  59 #define TUNER_RATIO_SELECT_50   0x00
  60 #define TUNER_RATIO_SELECT_32   0x02
  61 #define TUNER_RATIO_SELECT_166  0x04
  62 #define TUNER_RATIO_SELECT_62   0x06
  63
  64 #define TUNER_CHARGE_PUMP       0x40  /* Bit cb6 */
  65
  66 /* Status byte */
  67
  68 #define TUNER_POR         0x80
  69 #define TUNER_FL          0x40
  70 #define TUNER_MODE        0x38
  71 #define TUNER_AFC         0x07
  72 #define TUNER_SIGNAL      0x07
  73 #define TUNER_STEREO      0x10
  74
  75 #define TUNER_PLL_LOCKED   0x40
  76 #define TUNER_STEREO_MK3   0x04
  77
  78 /* ---------------------------------------------------------------------- */
  79
  80 struct tunertype
  81 {
  82         char *name;
  83
  84         unsigned short thresh1;  /*  band switch VHF_LO <=> VHF_HI  */
  85         unsigned short thresh2;  /*  band switch VHF_HI <=> UHF     */
  86         unsigned char VHF_L;
  87         unsigned char VHF_H;
  88         unsigned char UHF;
  89         unsigned char config;
  90 };
  91
  92 /*
  93  *      The floats in the tuner struct are computed at compile time
  94  *      by gcc and cast back to integers. Thus we don't violate the
  95  *      "no float in kernel" rule.
  96  */
  97 static struct tunertype tuners[] = {
  98         /* 0-9 */
  99         { "Temic PAL (4002 FH5)",                         /* TEMIC PAL */
 100           16*140.25, 16*463.25, 0x02, 0x04, 0x01, 0x8e},
 101         { "Philips PAL_I (FI1246 and compatibles)",       /* Philips PAL_I */
 102           16*140.25, 16*463.25, 0xa0, 0x90, 0x30, 0x8e},
 103         { "Philips NTSC (FI1236,FM1236 and compatibles)", /* Philips NTSC */
 104           16*157.25, 16*451.25, 0xA0, 0x90, 0x30, 0x8e},
 105         { "Philips (SECAM+PAL_BG) (FI1216MF, FM1216MF, FR1216MF)",/* Philips SECAM */
 106           16*168.25, 16*447.25, 0xA7, 0x97, 0x37, 0x8e},
 107         { "NoTuner",                                      /* NoTuner NOTUNER */
 108           0, 0, 0x00, 0x00, 0x00, 0x00},
 109         { "Philips PAL_BG (FI1216 and compatibles)",      /* Philips PAL */
 110           16*168.25, 16*447.25, 0xA0, 0x90, 0x30, 0x8e},
 111         { "Temic NTSC (4032 FY5)",                        /* TEMIC NTSC */
 112           16*157.25, 16*463.25, 0x02, 0x04, 0x01, 0x8e},
 113         { "Temic PAL_I (4062 FY5)",                       /* TEMIC PAL_I */
 114           16*170.00, 16*450.00, 0x02, 0x04, 0x01, 0x8e},
 115         { "Temic NTSC (4036 FY5)",                        /* TEMIC NTSC */
 116           16*157.25, 16*463.25, 0xa0, 0x90, 0x30, 0x8e},
 117         { "Alps HSBH1",                                   /* TEMIC NTSC */
 118           16*137.25, 16*385.25, 0x01, 0x02, 0x08, 0x8e},
 119
 120         /* 10-19 */
 121         { "Alps TSBE1",                                   /* TEMIC PAL */
 122           16*137.25, 16*385.25, 0x01, 0x02, 0x08, 0x8e},
 123         { "Alps TSBB5",                                   /* Alps PAL_I */
 124           16*133.25, 16*351.25, 0x01, 0x02, 0x08, 0x8e},
 125         { "Alps TSBE5",                                   /* Alps PAL */
 126           16*133.25, 16*351.25, 0x01, 0x02, 0x08, 0x8e},
 127         { "Alps TSBC5",                                   /* Alps PAL */
 128           16*133.25, 16*351.25, 0x01, 0x02, 0x08, 0x8e},
 129         { "Temic PAL_BG (4006FH5)",                       /* TEMIC PAL */
 130           16*170.00, 16*450.00, 0xa0, 0x90, 0x30, 0x8e},
 131         { "Alps TSCH6",                                   /* Alps NTSC */
 132           16*137.25, 16*385.25, 0x14, 0x12, 0x11, 0x8e},
 133         { "Temic PAL_DK (4016 FY5)",                      /* TEMIC PAL */
 134           16*168.25, 16*456.25, 0xa0, 0x90, 0x30, 0x8e},
 135         { "Philips NTSC_M (MK2)",                         /* Philips NTSC */
 136           16*160.00, 16*454.00, 0xa0, 0x90, 0x30, 0x8e},
 137         { "Temic PAL_I (4066 FY5)",                       /* TEMIC PAL_I */
 138           16*169.00,  16*454.00,  0xa0, 0x90, 0x30, 0x8e},
 139         { "Temic PAL* auto (4006 FN5)",                   /* TEMIC PAL */
 140           16*169.00,  16*454.00,  0xa0, 0x90, 0x30, 0x8e},
 141
 142         /* 20-29 */
 143         { "Temic PAL_BG (4009 FR5) or PAL_I (4069 FR5)",  /* TEMIC PAL */
 144           16*141.00,  16*464.00,  0xa0, 0x90, 0x30, 0x8e},
 145         { "Temic NTSC (4039 FR5)",                        /* TEMIC NTSC */
 146           16*158.00,  16*453.00,  0xa0, 0x90, 0x30, 0x8e},
 147         { "Temic PAL/SECAM multi (4046 FM5)",             /* TEMIC PAL */
 148           16*169.00,  16*454.00,  0xa0, 0x90, 0x30, 0x8e},
 149         { "Philips PAL_DK (FI1256 and compatibles)",      /* Philips PAL */
 150           16*170.00, 16*450.00, 0xa0, 0x90, 0x30, 0x8e},
 151         { "Philips PAL/SECAM multi (FQ1216ME)",           /* Philips PAL */
 152           16*170.00, 16*450.00, 0xa0, 0x90, 0x30, 0x8e},
 153         { "LG PAL_I+FM (TAPC-I001D)",                     /* LGINNOTEK PAL_I */
 154           16*170.00, 16*450.00, 0xa0, 0x90, 0x30, 0x8e},
 155         { "LG PAL_I (TAPC-I701D)",                        /* LGINNOTEK PAL_I */
 156           16*170.00, 16*450.00, 0xa0, 0x90, 0x30, 0x8e},
 157         { "LG NTSC+FM (TPI8NSR01F)",                      /* LGINNOTEK NTSC */
 158           16*210.00, 16*497.00, 0xa0, 0x90, 0x30, 0x8e},
 159         { "LG PAL_BG+FM (TPI8PSB01D)",                    /* LGINNOTEK PAL */
 160           16*170.00, 16*450.00, 0xa0, 0x90, 0x30, 0x8e},
 161         { "LG PAL_BG (TPI8PSB11D)",                       /* LGINNOTEK PAL */
 162           16*170.00, 16*450.00, 0xa0, 0x90, 0x30, 0x8e},
 163
 164         /* 30-39 */
 165         { "Temic PAL* auto + FM (4009 FN5)",              /* TEMIC PAL */
 166           16*141.00,  16*464.00,  0xa0, 0x90, 0x30, 0x8e},
 167         { "SHARP NTSC_JP (2U5JF5540)",                    /* SHARP NTSC */
 168           16*137.25, 16*317.25, 0x01, 0x02, 0x08, 0x8e},
 169         { "Samsung PAL TCPM9091PD27",                     /* Samsung PAL */
 170           16*169, 16*464, 0xA0, 0x90, 0x30, 0x8e},
 171         { "MT20xx universal",                             /* Microtune PAL|NTSC */
 172           /* see mt20xx.c for details */ },
 173         { "Temic PAL_BG (4106 FH5)",                      /* TEMIC PAL */
 174           16*141.00,  16*464.00,  0xa0, 0x90, 0x30, 0x8e},
 175         { "Temic PAL_DK/SECAM_L (4012 FY5)",              /* TEMIC PAL */
 176           16*140.25,  16*463.25,  0x02, 0x04, 0x01, 0x8e},
 177         { "Temic NTSC (4136 FY5)",                        /* TEMIC NTSC */
 178           16*158.00,  16*453.00,  0xa0, 0x90, 0x30, 0x8e},
 179         { "LG PAL (newer TAPC series)",                   /* LGINNOTEK PAL */
 180           16*170.00,  16*450.00,  0x01, 0x02, 0x08, 0x8e},
 181         { "Philips PAL/SECAM multi (FM1216ME MK3)",       /* Philips PAL */
 182           16*158.00, 16*442.00, 0x01, 0x02, 0x04, 0x8e},
 183         { "LG NTSC (newer TAPC series)",                  /* LGINNOTEK NTSC */
 184           16*170.00,  16*450.00,  0x01, 0x02, 0x08, 0x8e},
 185
 186         /* 40-49 */
 187         { "HITACHI V7-J180AT",                            /* HITACHI NTSC */
 188           16*170.00,  16*450.00,  0x01, 0x02, 0x08, 0x8e},
 189         { "Philips PAL_MK (FI1216 MK)",                   /* Philips PAL */
 190           16*140.25, 16*463.25, 0x01, 0xc2, 0xcf, 0x8e},
 191         { "Philips 1236D ATSC/NTSC daul in",              /* Philips ATSC */
 192           16*157.25, 16*454.00, 0xa0, 0x90, 0x30, 0x8e},
 193         { "Philips NTSC MK3 (FM1236MK3 or FM1236/F)",     /* Philips NTSC */
 194           16*160.00, 16*442.00, 0x01, 0x02, 0x04, 0x8e},
 195         { "Philips 4 in 1 (ATI TV Wonder Pro/Conexant)",  /* Philips NTSC */
 196           16*160.00, 16*442.00, 0x01, 0x02, 0x04, 0x8e},
 197         { "Microtune 4049 FM5",                           /* Microtune PAL */
 198           16*141.00, 16*464.00, 0xa0, 0x90, 0x30, 0x8e},
 199         { "Panasonic VP27s/ENGE4324D",                    /* Panasonic NTSC */
 200           16*160.00, 16*454.00, 0x01, 0x02, 0x08, 0xce},
 201         { "LG NTSC (TAPE series)",                        /* LGINNOTEK NTSC */
 202           16*160.00, 16*442.00, 0x01, 0x02, 0x04, 0x8e},
 203         { "Tenna TNF 8831 BGFF)",                         /* Philips PAL */
 204           16*161.25, 16*463.25, 0xa0, 0x90, 0x30, 0x8e},
 205         { "Microtune 4042 FI5 ATSC/NTSC dual in",         /* Microtune NTSC */
 206           16*162.00, 16*457.00, 0xa2, 0x94, 0x31, 0x8e},
 207
 208         /* 50-59 */
 209         { "TCL 2002N",                                    /* TCL NTSC */
 210           16*172.00, 16*448.00, 0x01, 0x02, 0x08, 0x8e},
 211         { "Philips PAL/SECAM_D (FM 1256 I-H3)",           /* Philips PAL */
 212           16*160.00, 16*442.00, 0x01, 0x02, 0x04, 0x8e},
 213         { "Thomson DDT 7610 (ATSC/NTSC)",                 /* THOMSON ATSC */
 214           16*157.25, 16*454.00, 0x39, 0x3a, 0x3c, 0x8e},
 215         { "Philips FQ1286",                               /* Philips NTSC */
 216           16*160.00, 16*454.00, 0x41, 0x42, 0x04, 0x8e},
 217         { "tda8290+75",                                   /* Philips PAL|NTSC */
 218           /* see tda8290.c for details */ },
 219         { "TCL 2002MB",                                   /* TCL PAL */
 220           16*170.00,  16*450.00,  0x01, 0x02, 0x08, 0xce},
 221         { "Philips PAL/SECAM multi (FQ1216AME MK4)",      /* Philips PAL */
 222           16*160.00, 16*442.00, 0x01, 0x02, 0x04, 0xce},
 223         { "Philips FQ1236A MK4",                          /* Philips NTSC */
 224           16*160.00, 16*442.00, 0x01, 0x02, 0x04, 0x8e},
 225         { "Ymec TVision TVF-8531MF/8831MF/8731MF",        /* Philips NTSC */
 226           16*160.00, 16*454.00, 0xa0, 0x90, 0x30, 0x8e},
 227         { "Ymec TVision TVF-5533MF",                      /* Philips NTSC */
 228           16*160.00, 16*454.00, 0x01, 0x02, 0x04, 0x8e},
 229
 230         /* 60-69 */
 231         { "Thomson DDT 7611 (ATSC/NTSC)",                 /* THOMSON ATSC */
 232           16*157.25, 16*454.00, 0x39, 0x3a, 0x3c, 0x8e},
 233         { "Tena TNF9533-D/IF/TNF9533-B/DF",               /* Philips PAL */
 234           16*160.25, 16*464.25, 0x01, 0x02, 0x04, 0x8e},
 235         { "Philips TEA5767HN FM Radio",                   /* Philips RADIO */
 236           /* see tea5767.c for details */},
 237         { "Philips FMD1216ME MK3 Hybrid Tuner",           /* Philips PAL */
 238           16*160.00, 16*442.00, 0x51, 0x52, 0x54, 0x86},
 239         { "LG TDVS-H062F/TUA6034",                        /* LGINNOTEK ATSC */
 240           16*160.00, 16*455.00, 0x01, 0x02, 0x04, 0x8e},
 241         { "Ymec TVF66T5-B/DFF",                           /* Philips PAL */
 242           16*160.25, 16*464.25, 0x01, 0x02, 0x08, 0x8e},
 243         { "LG NTSC (TALN mini series)",                   /* LGINNOTEK NTSC */
 244           16*137.25, 16*373.25, 0x01, 0x02, 0x08, 0x8e},
 245         { "Philips TD1316 Hybrid Tuner",                  /* Philips PAL */
 246           16*160.00, 16*442.00, 0xa1, 0xa2, 0xa4, 0xc8},
 247         { "Philips TUV1236D ATSC/NTSC dual in",           /* Philips ATSC */
 248           16*157.25, 16*454.00, 0x01, 0x02, 0x04, 0xce},
 249         { "Tena TNF 5335 MF",                             /* Philips NTSC */
 250           16*157.25, 16*454.00, 0x01, 0x02, 0x04, 0x8e},
 251 };
 252
 253 unsigned const int tuner_count = ARRAY_SIZE(tuners);
 254
 255 /* ---------------------------------------------------------------------- */
 256
 257 static int tuner_getstatus(struct i2c_client *c)
 258 {
 259         unsigned char byte;
 260
 261         if (1 != i2c_master_recv(c,&byte,1))
 262                 return 0;
 263
 264         return byte;
 265 }
 266
 267 static int tuner_signal(struct i2c_client *c)
 268 {
 269         return (tuner_getstatus(c) & TUNER_SIGNAL) << 13;
 270 }
 271
 272 static int tuner_stereo(struct i2c_client *c)
 273 {
 274         int stereo, status;
 275         struct tuner *t = i2c_get_clientdata(c);
 276
 277         status = tuner_getstatus (c);
 278
 279         switch (t->type) {
 280                 case TUNER_PHILIPS_FM1216ME_MK3:
 281                 case TUNER_PHILIPS_FM1236_MK3:
 282                 case TUNER_PHILIPS_FM1256_IH3:
 283                         stereo = ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3);
 284                         break;
 285                 default:
 286                         stereo = status & TUNER_STEREO;
 287         }
 288
 289         return stereo;
 290 }
 291
 292
 293 /* ---------------------------------------------------------------------- */
 294
 295 static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
 296 {
 297         struct tuner *t = i2c_get_clientdata(c);
 298         u8 config, tuneraddr;
 299         u16 div;
 300         struct tunertype *tun;
 301         unsigned char buffer[4];
 302         int rc, IFPCoff;
 303
 304         tun = &tuners[t->type];
 305         if (freq < tun->thresh1) {
 306                 config = tun->VHF_L;
 307                 tuner_dbg("tv: VHF lowrange\n");
 308         } else if (freq < tun->thresh2) {
 309                 config = tun->VHF_H;
 310                 tuner_dbg("tv: VHF high range\n");
 311         } else {
 312                 config = tun->UHF;
 313                 tuner_dbg("tv: UHF range\n");
 314         }
 315
 316
 317         /* tv norm specific stuff for multi-norm tuners */
 318         switch (t->type) {
 319         case TUNER_PHILIPS_SECAM: // FI1216MF
 320                 /* 0x01 -> ??? no change ??? */
 321                 /* 0x02 -> PAL BDGHI / SECAM L */
 322                 /* 0x04 -> ??? PAL others / SECAM others ??? */
 323                 config &= ~0x02;
 324                 if (t->std & V4L2_STD_SECAM)
 325                         config |= 0x02;
 326                 break;
 327
 328         case TUNER_TEMIC_4046FM5:
 329                 config &= ~0x0f;
 330
 331                 if (t->std & V4L2_STD_PAL_BG) {
 332                         config |= TEMIC_SET_PAL_BG;
 333
 334                 } else if (t->std & V4L2_STD_PAL_I) {
 335                         config |= TEMIC_SET_PAL_I;
 336
 337                 } else if (t->std & V4L2_STD_PAL_DK) {
 338                         config |= TEMIC_SET_PAL_DK;
 339
 340                 } else if (t->std & V4L2_STD_SECAM_L) {
 341                         config |= TEMIC_SET_PAL_L;
 342
 343                 }
 344                 break;
 345
 346         case TUNER_PHILIPS_FQ1216ME:
 347                 config &= ~0x0f;
 348
 349                 if (t->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) {
 350                         config |= PHILIPS_SET_PAL_BGDK;
 351
 352                 } else if (t->std & V4L2_STD_PAL_I) {
 353                         config |= PHILIPS_SET_PAL_I;
 354
 355                 } else if (t->std & V4L2_STD_SECAM_L) {
 356                         config |= PHILIPS_SET_PAL_L;
 357
 358                 }
 359                 break;
 360
 361         case TUNER_PHILIPS_ATSC:
 362                 /* 0x00 -> ATSC antenna input 1 */
 363                 /* 0x01 -> ATSC antenna input 2 */
 364                 /* 0x02 -> NTSC antenna input 1 */
 365                 /* 0x03 -> NTSC antenna input 2 */
 366                 config &= ~0x03;
 367                 if (!(t->std & V4L2_STD_ATSC))
 368                         config |= 2;
 369                 /* FIXME: input */
 370                 break;
 371
 372         case TUNER_MICROTUNE_4042FI5:
 373                 /* Set the charge pump for fast tuning */
 374                 tun->config |= TUNER_CHARGE_PUMP;
 375                 break;
 376
 377         case TUNER_PHILIPS_TUV1236D:
 378                 /* 0x40 -> ATSC antenna input 1 */
 379                 /* 0x48 -> ATSC antenna input 2 */
 380                 /* 0x00 -> NTSC antenna input 1 */
 381                 /* 0x08 -> NTSC antenna input 2 */
 382                 buffer[0] = 0x14;
 383                 buffer[1] = 0x00;
 384                 buffer[2] = 0x17;
 385                 buffer[3] = 0x00;
 386                 config &= ~0x40;
 387                 if (t->std & V4L2_STD_ATSC) {
 388                         config |= 0x40;
 389                         buffer[1] = 0x04;
 390                 }
 391                 /* set to the correct mode (analog or digital) */
 392                 tuneraddr = c->addr;
 393                 c->addr = 0x0a;
 394                 if (2 != (rc = i2c_master_send(c,&buffer[0],2)))
 395                         tuner_warn("i2c i/o error: rc == %d (should be 2)\n",rc);
 396                 if (2 != (rc = i2c_master_send(c,&buffer[2],2)))
 397                         tuner_warn("i2c i/o error: rc == %d (should be 2)\n",rc);
 398                 c->addr = tuneraddr;
 399                 /* FIXME: input */
 400                 break;
 401         }
 402
 403         /*
 404          * Philips FI1216MK2 remark from specification :
 405          * for channel selection involving band switching, and to ensure
 406          * smooth tuning to the desired channel without causing
 407          * unnecessary charge pump action, it is recommended to consider
 408          * the difference between wanted channel frequency and the
 409          * current channel frequency.  Unnecessary charge pump action
 410          * will result in very low tuning voltage which may drive the
 411          * oscillator to extreme conditions.
 412          *
 413          * Progfou: specification says to send config data before
 414          * frequency in case (wanted frequency < current frequency).
 415          */
 416
 417         /* IFPCoff = Video Intermediate Frequency - Vif:
 418                 940  =16*58.75  NTSC/J (Japan)
 419                 732  =16*45.75  M/N STD
 420                 704  =16*44     ATSC (at DVB code)
 421                 632  =16*39.50  I U.K.
 422                 622.4=16*38.90  B/G D/K I, L STD
 423                 592  =16*37.00  D China
 424                 590  =16.36.875 B Australia
 425                 543.2=16*33.95  L' STD
 426                 171.2=16*10.70  FM Radio (at set_radio_freq)
 427         */
 428
 429         if (t->std & V4L2_STD_NTSC_M_JP) {
 430                 IFPCoff = 940;
 431         } else if (t->std & V4L2_STD_MN) {
 432                 IFPCoff = 732;
 433         } else if (t->std & V4L2_STD_SECAM_LC) {
 434                 IFPCoff = 543;
 435         } else {
 436                 IFPCoff = 623;
 437         }
 438
 439         div=freq + IFPCoff;
 440         if (t->type == TUNER_PHILIPS_SECAM && freq < t->freq) {
 441                 buffer[0] = tun->config;
 442                 buffer[1] = config;
 443                 buffer[2] = (div>>8) & 0x7f;
 444                 buffer[3] = div      & 0xff;
 445         } else {
 446                 buffer[0] = (div>>8) & 0x7f;
 447                 buffer[1] = div      & 0xff;
 448                 buffer[2] = tun->config;
 449                 buffer[3] = config;
 450         }
 451         tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
 452                   buffer[0],buffer[1],buffer[2],buffer[3]);
 453
 454         if (4 != (rc = i2c_master_send(c,buffer,4)))
 455                 tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc);
 456
 457         if (t->type == TUNER_MICROTUNE_4042FI5) {
 458                 // FIXME - this may also work for other tuners
 459                 unsigned long timeout = jiffies + msecs_to_jiffies(1);
 460                 u8 status_byte = 0;
 461
 462                 /* Wait until the PLL locks */
 463                 for (;;) {
 464                         if (time_after(jiffies,timeout))
 465                                 return;
 466                         if (1 != (rc = i2c_master_recv(c,&status_byte,1))) {
 467                                 tuner_warn("i2c i/o read error: rc == %d (should be 1)\n",rc);
 468                                 break;
 469                         }
 470                         if (status_byte & TUNER_PLL_LOCKED)
 471                                 break;
 472                         udelay(10);
 473                 }
 474
 475                 /* Set the charge pump for optimized phase noise figure */
 476                 tun->config &= ~TUNER_CHARGE_PUMP;
 477                 buffer[0] = (div>>8) & 0x7f;
 478                 buffer[1] = div      & 0xff;
 479                 buffer[2] = tun->config;
 480                 buffer[3] = config;
 481                 tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
 482                        buffer[0],buffer[1],buffer[2],buffer[3]);
 483
 484                 if (4 != (rc = i2c_master_send(c,buffer,4)))
 485                         tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc);
 486         }
 487 }
 488
 489 static void default_set_radio_freq(struct i2c_client *c, unsigned int freq)
 490 {
 491         struct tunertype *tun;
 492         struct tuner *t = i2c_get_clientdata(c);
 493         unsigned char buffer[4];
 494         unsigned div;
 495         int rc;
 496
 497         tun = &tuners[t->type];
 498         div = (20 * freq / 16000) + (int)(20*10.7); /* IF 10.7 MHz */
 499         buffer[2] = (tun->config & ~TUNER_RATIO_MASK) | TUNER_RATIO_SELECT_50; /* 50 kHz step */
 500
 501         switch (t->type) {
 502         case TUNER_TENA_9533_DI:
 503         case TUNER_YMEC_TVF_5533MF:
 504                 tuner_dbg ("This tuner doesn't have FM. Most cards has a TEA5767 for FM\n");
 505                 return;
 506         case TUNER_PHILIPS_FM1216ME_MK3:
 507         case TUNER_PHILIPS_FM1236_MK3:
 508         case TUNER_PHILIPS_FMD1216ME_MK3:
 509                 buffer[3] = 0x19;
 510                 break;
 511         case TUNER_PHILIPS_FM1256_IH3:
 512                 div = (20 * freq) / 16000 + (int)(33.3 * 20);  /* IF 33.3 MHz */
 513                 buffer[3] = 0x19;
 514                 break;
 515         case TUNER_LG_PAL_FM:
 516                 buffer[3] = 0xa5;
 517                 break;
 518         case TUNER_MICROTUNE_4049FM5:
 519                 div = (20 * freq) / 16000 + (int)(33.3 * 20); /* IF 33.3 MHz */
 520                 buffer[3] = 0xa4;
 521                 break;
 522         default:
 523                 buffer[3] = 0xa4;
 524                 break;
 525         }
 526         buffer[0] = (div>>8) & 0x7f;
 527         buffer[1] = div      & 0xff;
 528
 529         tuner_dbg("radio 0x%02x 0x%02x 0x%02x 0x%02x\n",
 530                buffer[0],buffer[1],buffer[2],buffer[3]);
 531
 532         if (4 != (rc = i2c_master_send(c,buffer,4)))
 533                 tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc);
 534 }
 535
 536 int default_tuner_init(struct i2c_client *c)
 537 {
 538         struct tuner *t = i2c_get_clientdata(c);
 539
 540         tuner_info("type set to %d (%s)\n",
 541                    t->type, tuners[t->type].name);
 542         strlcpy(c->name, tuners[t->type].name, sizeof(c->name));
 543
 544         t->tv_freq    = default_set_tv_freq;
 545         t->radio_freq = default_set_radio_freq;
 546         t->has_signal = tuner_signal;
 547         t->is_stereo  = tuner_stereo;
 548         t->standby = NULL;
 549
 550         return 0;
 551 }
 552
 553 /*
 554  * Overrides for Emacs so that we follow Linus's tabbing style.
 555  * ---------------------------------------------------------------------------
 556  * Local variables:
 557  * c-basic-offset: 8
 558  * End:
 559  */