drivers/media/common/tuners/tda18271-fe.c

   1 /*
   2     tda18271-fe.c - driver for the Philips / NXP TDA18271 silicon tuner
   3
   4     Copyright (C) 2007, 2008 Michael Krufky <mkrufky@linuxtv.org>
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21 #include <linux/delay.h>
  22 #include <linux/videodev2.h>
  23 #include "tda18271-priv.h"
  24
  25 int tda18271_debug;
  26 module_param_named(debug, tda18271_debug, int, 0644);
  27 MODULE_PARM_DESC(debug, "set debug level "
  28                  "(info=1, map=2, reg=4, adv=8, cal=16 (or-able))");
  29
  30 static int tda18271_cal_on_startup = -1;
  31 module_param_named(cal, tda18271_cal_on_startup, int, 0644);
  32 MODULE_PARM_DESC(cal, "perform RF tracking filter calibration on startup");
  33
  34 static DEFINE_MUTEX(tda18271_list_mutex);
  35 static LIST_HEAD(hybrid_tuner_instance_list);
  36
  37 /*---------------------------------------------------------------------*/
  38
  39 static int tda18271_toggle_output(struct dvb_frontend *fe, int standby)
  40 {
  41         struct tda18271_priv *priv = fe->tuner_priv;
  42
  43         int ret = tda18271_set_standby_mode(fe, standby ? 1 : 0,
  44                         priv->output_opt & TDA18271_OUTPUT_LT_OFF ? 1 : 0,
  45                         priv->output_opt & TDA18271_OUTPUT_XT_OFF ? 1 : 0);
  46
  47         if (tda_fail(ret))
  48                 goto fail;
  49
  50         tda_dbg("%s mode: xtal oscillator %s, slave tuner loop thru %s\n",
  51                 standby ? "standby" : "active",
  52                 priv->output_opt & TDA18271_OUTPUT_XT_OFF ? "off" : "on",
  53                 priv->output_opt & TDA18271_OUTPUT_LT_OFF ? "off" : "on");
  54 fail:
  55         return ret;
  56 }
  57
  58 /*---------------------------------------------------------------------*/
  59
  60 static inline int charge_pump_source(struct dvb_frontend *fe, int force)
  61 {
  62         struct tda18271_priv *priv = fe->tuner_priv;
  63         return tda18271_charge_pump_source(fe,
  64                                            (priv->role == TDA18271_SLAVE) ?
  65                                            TDA18271_CAL_PLL :
  66                                            TDA18271_MAIN_PLL, force);
  67 }
  68
  69 static inline void tda18271_set_if_notch(struct dvb_frontend *fe)
  70 {
  71         struct tda18271_priv *priv = fe->tuner_priv;
  72         unsigned char *regs = priv->tda18271_regs;
  73
  74         switch (priv->mode) {
  75         case TDA18271_ANALOG:
  76                 regs[R_MPD]  &= ~0x80; /* IF notch = 0 */
  77                 break;
  78         case TDA18271_DIGITAL:
  79                 regs[R_MPD]  |= 0x80; /* IF notch = 1 */
  80                 break;
  81         }
  82 }
  83
  84 static int tda18271_channel_configuration(struct dvb_frontend *fe,
  85                                           struct tda18271_std_map_item *map,
  86                                           u32 freq, u32 bw)
  87 {
  88         struct tda18271_priv *priv = fe->tuner_priv;
  89         unsigned char *regs = priv->tda18271_regs;
  90         int ret;
  91         u32 N;
  92
  93         /* update TV broadcast parameters */
  94
  95         /* set standard */
  96         regs[R_EP3]  &= ~0x1f; /* clear std bits */
  97         regs[R_EP3]  |= (map->agc_mode << 3) | map->std;
  98
  99         if (priv->id == TDA18271HDC2) {
 100                 /* set rfagc to high speed mode */
 101                 regs[R_EP3] &= ~0x04;
 102         }
 103
 104         /* set cal mode to normal */
 105         regs[R_EP4]  &= ~0x03;
 106
 107         /* update IF output level */
 108         regs[R_EP4]  &= ~0x1c; /* clear if level bits */
 109         regs[R_EP4]  |= (map->if_lvl << 2);
 110
 111         /* update FM_RFn */
 112         regs[R_EP4]  &= ~0x80;
 113         regs[R_EP4]  |= map->fm_rfn << 7;
 114
 115         /* update rf top / if top */
 116         regs[R_EB22]  = 0x00;
 117         regs[R_EB22] |= map->rfagc_top;
 118         ret = tda18271_write_regs(fe, R_EB22, 1);
 119         if (tda_fail(ret))
 120                 goto fail;
 121
 122         /* --------------------------------------------------------------- */
 123
 124         /* disable Power Level Indicator */
 125         regs[R_EP1]  |= 0x40;
 126
 127         /* make sure thermometer is off */
 128         regs[R_TM]   &= ~0x10;
 129
 130         /* frequency dependent parameters */
 131
 132         tda18271_calc_ir_measure(fe, &freq);
 133
 134         tda18271_calc_bp_filter(fe, &freq);
 135
 136         tda18271_calc_rf_band(fe, &freq);
 137
 138         tda18271_calc_gain_taper(fe, &freq);
 139
 140         /* --------------------------------------------------------------- */
 141
 142         /* dual tuner and agc1 extra configuration */
 143
 144         switch (priv->role) {
 145         case TDA18271_MASTER:
 146                 regs[R_EB1]  |= 0x04; /* main vco */
 147                 break;
 148         case TDA18271_SLAVE:
 149                 regs[R_EB1]  &= ~0x04; /* cal vco */
 150                 break;
 151         }
 152
 153         /* agc1 always active */
 154         regs[R_EB1]  &= ~0x02;
 155
 156         /* agc1 has priority on agc2 */
 157         regs[R_EB1]  &= ~0x01;
 158
 159         ret = tda18271_write_regs(fe, R_EB1, 1);
 160         if (tda_fail(ret))
 161                 goto fail;
 162
 163         /* --------------------------------------------------------------- */
 164
 165         N = map->if_freq * 1000 + freq;
 166
 167         switch (priv->role) {
 168         case TDA18271_MASTER:
 169                 tda18271_calc_main_pll(fe, N);
 170                 tda18271_set_if_notch(fe);
 171                 tda18271_write_regs(fe, R_MPD, 4);
 172                 break;
 173         case TDA18271_SLAVE:
 174                 tda18271_calc_cal_pll(fe, N);
 175                 tda18271_write_regs(fe, R_CPD, 4);
 176
 177                 regs[R_MPD] = regs[R_CPD] & 0x7f;
 178                 tda18271_set_if_notch(fe);
 179                 tda18271_write_regs(fe, R_MPD, 1);
 180                 break;
 181         }
 182
 183         ret = tda18271_write_regs(fe, R_TM, 7);
 184         if (tda_fail(ret))
 185                 goto fail;
 186
 187         /* force charge pump source */
 188         charge_pump_source(fe, 1);
 189
 190         msleep(1);
 191
 192         /* return pll to normal operation */
 193         charge_pump_source(fe, 0);
 194
 195         msleep(20);
 196
 197         if (priv->id == TDA18271HDC2) {
 198                 /* set rfagc to normal speed mode */
 199                 if (map->fm_rfn)
 200                         regs[R_EP3] &= ~0x04;
 201                 else
 202                         regs[R_EP3] |= 0x04;
 203                 ret = tda18271_write_regs(fe, R_EP3, 1);
 204         }
 205 fail:
 206         return ret;
 207 }
 208
 209 static int tda18271_read_thermometer(struct dvb_frontend *fe)
 210 {
 211         struct tda18271_priv *priv = fe->tuner_priv;
 212         unsigned char *regs = priv->tda18271_regs;
 213         int tm;
 214
 215         /* switch thermometer on */
 216         regs[R_TM]   |= 0x10;
 217         tda18271_write_regs(fe, R_TM, 1);
 218
 219         /* read thermometer info */
 220         tda18271_read_regs(fe);
 221
 222         if ((((regs[R_TM] & 0x0f) == 0x00) && ((regs[R_TM] & 0x20) == 0x20)) ||
 223             (((regs[R_TM] & 0x0f) == 0x08) && ((regs[R_TM] & 0x20) == 0x00))) {
 224
 225                 if ((regs[R_TM] & 0x20) == 0x20)
 226                         regs[R_TM] &= ~0x20;
 227                 else
 228                         regs[R_TM] |= 0x20;
 229
 230                 tda18271_write_regs(fe, R_TM, 1);
 231
 232                 msleep(10); /* temperature sensing */
 233
 234                 /* read thermometer info */
 235                 tda18271_read_regs(fe);
 236         }
 237
 238         tm = tda18271_lookup_thermometer(fe);
 239
 240         /* switch thermometer off */
 241         regs[R_TM]   &= ~0x10;
 242         tda18271_write_regs(fe, R_TM, 1);
 243
 244         /* set CAL mode to normal */
 245         regs[R_EP4]  &= ~0x03;
 246         tda18271_write_regs(fe, R_EP4, 1);
 247
 248         return tm;
 249 }
 250
 251 /* ------------------------------------------------------------------ */
 252
 253 static int tda18271c2_rf_tracking_filters_correction(struct dvb_frontend *fe,
 254                                                      u32 freq)
 255 {
 256         struct tda18271_priv *priv = fe->tuner_priv;
 257         struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state;
 258         unsigned char *regs = priv->tda18271_regs;
 259         int i, ret;
 260         u8 tm_current, dc_over_dt, rf_tab;
 261         s32 rfcal_comp, approx;
 262
 263         /* power up */
 264         ret = tda18271_set_standby_mode(fe, 0, 0, 0);
 265         if (tda_fail(ret))
 266                 goto fail;
 267
 268         /* read die current temperature */
 269         tm_current = tda18271_read_thermometer(fe);
 270
 271         /* frequency dependent parameters */
 272
 273         tda18271_calc_rf_cal(fe, &freq);
 274         rf_tab = regs[R_EB14];
 275
 276         i = tda18271_lookup_rf_band(fe, &freq, NULL);
 277         if (tda_fail(i))
 278                 return i;
 279
 280         if ((0 == map[i].rf3) || (freq / 1000 < map[i].rf2)) {
 281                 approx = map[i].rf_a1 * (s32)(freq / 1000 - map[i].rf1) +
 282                         map[i].rf_b1 + rf_tab;
 283         } else {
 284                 approx = map[i].rf_a2 * (s32)(freq / 1000 - map[i].rf2) +
 285                         map[i].rf_b2 + rf_tab;
 286         }
 287
 288         if (approx < 0)
 289                 approx = 0;
 290         if (approx > 255)
 291                 approx = 255;
 292
 293         tda18271_lookup_map(fe, RF_CAL_DC_OVER_DT, &freq, &dc_over_dt);
 294
 295         /* calculate temperature compensation */
 296         rfcal_comp = dc_over_dt * (s32)(tm_current - priv->tm_rfcal) / 1000;
 297
 298         regs[R_EB14] = (unsigned char)(approx + rfcal_comp);
 299         ret = tda18271_write_regs(fe, R_EB14, 1);
 300 fail:
 301         return ret;
 302 }
 303
 304 static int tda18271_por(struct dvb_frontend *fe)
 305 {
 306         struct tda18271_priv *priv = fe->tuner_priv;
 307         unsigned char *regs = priv->tda18271_regs;
 308         int ret;
 309
 310         /* power up detector 1 */
 311         regs[R_EB12] &= ~0x20;
 312         ret = tda18271_write_regs(fe, R_EB12, 1);
 313         if (tda_fail(ret))
 314                 goto fail;
 315
 316         regs[R_EB18] &= ~0x80; /* turn agc1 loop on */
 317         regs[R_EB18] &= ~0x03; /* set agc1_gain to  6 dB */
 318         ret = tda18271_write_regs(fe, R_EB18, 1);
 319         if (tda_fail(ret))
 320                 goto fail;
 321
 322         regs[R_EB21] |= 0x03; /* set agc2_gain to -6 dB */
 323
 324         /* POR mode */
 325         ret = tda18271_set_standby_mode(fe, 1, 0, 0);
 326         if (tda_fail(ret))
 327                 goto fail;
 328
 329         /* disable 1.5 MHz low pass filter */
 330         regs[R_EB23] &= ~0x04; /* forcelp_fc2_en = 0 */
 331         regs[R_EB23] &= ~0x02; /* XXX: lp_fc[2] = 0 */
 332         ret = tda18271_write_regs(fe, R_EB21, 3);
 333 fail:
 334         return ret;
 335 }
 336
 337 static int tda18271_calibrate_rf(struct dvb_frontend *fe, u32 freq)
 338 {
 339         struct tda18271_priv *priv = fe->tuner_priv;
 340         unsigned char *regs = priv->tda18271_regs;
 341         u32 N;
 342
 343         /* set CAL mode to normal */
 344         regs[R_EP4]  &= ~0x03;
 345         tda18271_write_regs(fe, R_EP4, 1);
 346
 347         /* switch off agc1 */
 348         regs[R_EP3]  |= 0x40; /* sm_lt = 1 */
 349
 350         regs[R_EB18] |= 0x03; /* set agc1_gain to 15 dB */
 351         tda18271_write_regs(fe, R_EB18, 1);
 352
 353         /* frequency dependent parameters */
 354
 355         tda18271_calc_bp_filter(fe, &freq);
 356         tda18271_calc_gain_taper(fe, &freq);
 357         tda18271_calc_rf_band(fe, &freq);
 358         tda18271_calc_km(fe, &freq);
 359
 360         tda18271_write_regs(fe, R_EP1, 3);
 361         tda18271_write_regs(fe, R_EB13, 1);
 362
 363         /* main pll charge pump source */
 364         tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 1);
 365
 366         /* cal pll charge pump source */
 367         tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 1);
 368
 369         /* force dcdc converter to 0 V */
 370         regs[R_EB14] = 0x00;
 371         tda18271_write_regs(fe, R_EB14, 1);
 372
 373         /* disable plls lock */
 374         regs[R_EB20] &= ~0x20;
 375         tda18271_write_regs(fe, R_EB20, 1);
 376
 377         /* set CAL mode to RF tracking filter calibration */
 378         regs[R_EP4]  |= 0x03;
 379         tda18271_write_regs(fe, R_EP4, 2);
 380
 381         /* --------------------------------------------------------------- */
 382
 383         /* set the internal calibration signal */
 384         N = freq;
 385
 386         tda18271_calc_cal_pll(fe, N);
 387         tda18271_write_regs(fe, R_CPD, 4);
 388
 389         /* downconvert internal calibration */
 390         N += 1000000;
 391
 392         tda18271_calc_main_pll(fe, N);
 393         tda18271_write_regs(fe, R_MPD, 4);
 394
 395         msleep(5);
 396
 397         tda18271_write_regs(fe, R_EP2, 1);
 398         tda18271_write_regs(fe, R_EP1, 1);
 399         tda18271_write_regs(fe, R_EP2, 1);
 400         tda18271_write_regs(fe, R_EP1, 1);
 401
 402         /* --------------------------------------------------------------- */
 403
 404         /* normal operation for the main pll */
 405         tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 0);
 406
 407         /* normal operation for the cal pll  */
 408         tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 0);
 409
 410         msleep(10); /* plls locking */
 411
 412         /* launch the rf tracking filters calibration */
 413         regs[R_EB20]  |= 0x20;
 414         tda18271_write_regs(fe, R_EB20, 1);
 415
 416         msleep(60); /* calibration */
 417
 418         /* --------------------------------------------------------------- */
 419
 420         /* set CAL mode to normal */
 421         regs[R_EP4]  &= ~0x03;
 422
 423         /* switch on agc1 */
 424         regs[R_EP3]  &= ~0x40; /* sm_lt = 0 */
 425
 426         regs[R_EB18] &= ~0x03; /* set agc1_gain to  6 dB */
 427         tda18271_write_regs(fe, R_EB18, 1);
 428
 429         tda18271_write_regs(fe, R_EP3, 2);
 430
 431         /* synchronization */
 432         tda18271_write_regs(fe, R_EP1, 1);
 433
 434         /* get calibration result */
 435         tda18271_read_extended(fe);
 436
 437         return regs[R_EB14];
 438 }
 439
 440 static int tda18271_powerscan(struct dvb_frontend *fe,
 441                               u32 *freq_in, u32 *freq_out)
 442 {
 443         struct tda18271_priv *priv = fe->tuner_priv;
 444         unsigned char *regs = priv->tda18271_regs;
 445         int sgn, bcal, count, wait, ret;
 446         u8 cid_target;
 447         u16 count_limit;
 448         u32 freq;
 449
 450         freq = *freq_in;
 451
 452         tda18271_calc_rf_band(fe, &freq);
 453         tda18271_calc_rf_cal(fe, &freq);
 454         tda18271_calc_gain_taper(fe, &freq);
 455         tda18271_lookup_cid_target(fe, &freq, &cid_target, &count_limit);
 456
 457         tda18271_write_regs(fe, R_EP2, 1);
 458         tda18271_write_regs(fe, R_EB14, 1);
 459
 460         /* downconvert frequency */
 461         freq += 1000000;
 462
 463         tda18271_calc_main_pll(fe, freq);
 464         tda18271_write_regs(fe, R_MPD, 4);
 465
 466         msleep(5); /* pll locking */
 467
 468         /* detection mode */
 469         regs[R_EP4]  &= ~0x03;
 470         regs[R_EP4]  |= 0x01;
 471         tda18271_write_regs(fe, R_EP4, 1);
 472
 473         /* launch power detection measurement */
 474         tda18271_write_regs(fe, R_EP2, 1);
 475
 476         /* read power detection info, stored in EB10 */
 477         ret = tda18271_read_extended(fe);
 478         if (tda_fail(ret))
 479                 return ret;
 480
 481         /* algorithm initialization */
 482         sgn = 1;
 483         *freq_out = *freq_in;
 484         bcal = 0;
 485         count = 0;
 486         wait = false;
 487
 488         while ((regs[R_EB10] & 0x3f) < cid_target) {
 489                 /* downconvert updated freq to 1 MHz */
 490                 freq = *freq_in + (sgn * count) + 1000000;
 491
 492                 tda18271_calc_main_pll(fe, freq);
 493                 tda18271_write_regs(fe, R_MPD, 4);
 494
 495                 if (wait) {
 496                         msleep(5); /* pll locking */
 497                         wait = false;
 498                 } else
 499                         udelay(100); /* pll locking */
 500
 501                 /* launch power detection measurement */
 502                 tda18271_write_regs(fe, R_EP2, 1);
 503
 504                 /* read power detection info, stored in EB10 */
 505                 ret = tda18271_read_extended(fe);
 506                 if (tda_fail(ret))
 507                         return ret;
 508
 509                 count += 200;
 510
 511                 if (count <= count_limit)
 512                         continue;
 513
 514                 if (sgn <= 0)
 515                         break;
 516
 517                 sgn = -1 * sgn;
 518                 count = 200;
 519                 wait = true;
 520         }
 521
 522         if ((regs[R_EB10] & 0x3f) >= cid_target) {
 523                 bcal = 1;
 524                 *freq_out = freq - 1000000;
 525         } else
 526                 bcal = 0;
 527
 528         tda_cal("bcal = %d, freq_in = %d, freq_out = %d (freq = %d)\n",
 529                 bcal, *freq_in, *freq_out, freq);
 530
 531         return bcal;
 532 }
 533
 534 static int tda18271_powerscan_init(struct dvb_frontend *fe)
 535 {
 536         struct tda18271_priv *priv = fe->tuner_priv;
 537         unsigned char *regs = priv->tda18271_regs;
 538         int ret;
 539
 540         /* set standard to digital */
 541         regs[R_EP3]  &= ~0x1f; /* clear std bits */
 542         regs[R_EP3]  |= 0x12;
 543
 544         /* set cal mode to normal */
 545         regs[R_EP4]  &= ~0x03;
 546
 547         /* update IF output level */
 548         regs[R_EP4]  &= ~0x1c; /* clear if level bits */
 549
 550         ret = tda18271_write_regs(fe, R_EP3, 2);
 551         if (tda_fail(ret))
 552                 goto fail;
 553
 554         regs[R_EB18] &= ~0x03; /* set agc1_gain to   6 dB */
 555         ret = tda18271_write_regs(fe, R_EB18, 1);
 556         if (tda_fail(ret))
 557                 goto fail;
 558
 559         regs[R_EB21] &= ~0x03; /* set agc2_gain to -15 dB */
 560
 561         /* 1.5 MHz low pass filter */
 562         regs[R_EB23] |= 0x04; /* forcelp_fc2_en = 1 */
 563         regs[R_EB23] |= 0x02; /* lp_fc[2] = 1 */
 564
 565         ret = tda18271_write_regs(fe, R_EB21, 3);
 566 fail:
 567         return ret;
 568 }
 569
 570 static int tda18271_rf_tracking_filters_init(struct dvb_frontend *fe, u32 freq)
 571 {
 572         struct tda18271_priv *priv = fe->tuner_priv;
 573         struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state;
 574         unsigned char *regs = priv->tda18271_regs;
 575         int bcal, rf, i;
 576         s32 divisor, dividend;
 577 #define RF1 0
 578 #define RF2 1
 579 #define RF3 2
 580         u32 rf_default[3];
 581         u32 rf_freq[3];
 582         u8 prog_cal[3];
 583         u8 prog_tab[3];
 584
 585         i = tda18271_lookup_rf_band(fe, &freq, NULL);
 586
 587         if (tda_fail(i))
 588                 return i;
 589
 590         rf_default[RF1] = 1000 * map[i].rf1_def;
 591         rf_default[RF2] = 1000 * map[i].rf2_def;
 592         rf_default[RF3] = 1000 * map[i].rf3_def;
 593
 594         for (rf = RF1; rf <= RF3; rf++) {
 595                 if (0 == rf_default[rf])
 596                         return 0;
 597                 tda_cal("freq = %d, rf = %d\n", freq, rf);
 598
 599                 /* look for optimized calibration frequency */
 600                 bcal = tda18271_powerscan(fe, &rf_default[rf], &rf_freq[rf]);
 601                 if (tda_fail(bcal))
 602                         return bcal;
 603
 604                 tda18271_calc_rf_cal(fe, &rf_freq[rf]);
 605                 prog_tab[rf] = regs[R_EB14];
 606
 607                 if (1 == bcal)
 608                         prog_cal[rf] = tda18271_calibrate_rf(fe, rf_freq[rf]);
 609                 else
 610                         prog_cal[rf] = prog_tab[rf];
 611
 612                 switch (rf) {
 613                 case RF1:
 614                         map[i].rf_a1 = 0;
 615                         map[i].rf_b1 = (s32)(prog_cal[RF1] - prog_tab[RF1]);
 616                         map[i].rf1   = rf_freq[RF1] / 1000;
 617                         break;
 618                 case RF2:
 619                         dividend = (s32)(prog_cal[RF2] - prog_tab[RF2]) -
 620                                    (s32)(prog_cal[RF1] + prog_tab[RF1]);
 621                         divisor = (s32)(rf_freq[RF2] - rf_freq[RF1]) / 1000;
 622                         map[i].rf_a1 = (dividend / divisor);
 623                         map[i].rf2   = rf_freq[RF2] / 1000;
 624                         break;
 625                 case RF3:
 626                         dividend = (s32)(prog_cal[RF3] - prog_tab[RF3]) -
 627                                    (s32)(prog_cal[RF2] + prog_tab[RF2]);
 628                         divisor = (s32)(rf_freq[RF3] - rf_freq[RF2]) / 1000;
 629                         map[i].rf_a2 = (dividend / divisor);
 630                         map[i].rf_b2 = (s32)(prog_cal[RF2] - prog_tab[RF2]);
 631                         map[i].rf3   = rf_freq[RF3] / 1000;
 632                         break;
 633                 default:
 634                         BUG();
 635                 }
 636         }
 637
 638         return 0;
 639 }
 640
 641 static int tda18271_calc_rf_filter_curve(struct dvb_frontend *fe)
 642 {
 643         struct tda18271_priv *priv = fe->tuner_priv;
 644         unsigned int i;
 645         int ret;
 646
 647         tda_info("tda18271: performing RF tracking filter calibration\n");
 648
 649         /* wait for die temperature stabilization */
 650         msleep(200);
 651
 652         ret = tda18271_powerscan_init(fe);
 653         if (tda_fail(ret))
 654                 goto fail;
 655
 656         /* rf band calibration */
 657         for (i = 0; priv->rf_cal_state[i].rfmax != 0; i++) {
 658                 ret =
 659                 tda18271_rf_tracking_filters_init(fe, 1000 *
 660                                                   priv->rf_cal_state[i].rfmax);
 661                 if (tda_fail(ret))
 662                         goto fail;
 663         }
 664
 665         priv->tm_rfcal = tda18271_read_thermometer(fe);
 666 fail:
 667         return ret;
 668 }
 669
 670 /* ------------------------------------------------------------------ */
 671
 672 static int tda18271c2_rf_cal_init(struct dvb_frontend *fe)
 673 {
 674         struct tda18271_priv *priv = fe->tuner_priv;
 675         unsigned char *regs = priv->tda18271_regs;
 676         int ret;
 677
 678         /* test RF_CAL_OK to see if we need init */
 679         if ((regs[R_EP1] & 0x10) == 0)
 680                 priv->cal_initialized = false;
 681
 682         if (priv->cal_initialized)
 683                 return 0;
 684
 685         ret = tda18271_calc_rf_filter_curve(fe);
 686         if (tda_fail(ret))
 687                 goto fail;
 688
 689         ret = tda18271_por(fe);
 690         if (tda_fail(ret))
 691                 goto fail;
 692
 693         tda_info("tda18271: RF tracking filter calibration complete\n");
 694
 695         priv->cal_initialized = true;
 696         goto end;
 697 fail:
 698         tda_info("tda18271: RF tracking filter calibration failed!\n");
 699 end:
 700         return ret;
 701 }
 702
 703 static int tda18271c1_rf_tracking_filter_calibration(struct dvb_frontend *fe,
 704                                                      u32 freq, u32 bw)
 705 {
 706         struct tda18271_priv *priv = fe->tuner_priv;
 707         unsigned char *regs = priv->tda18271_regs;
 708         int ret;
 709         u32 N = 0;
 710
 711         /* calculate bp filter */
 712         tda18271_calc_bp_filter(fe, &freq);
 713         tda18271_write_regs(fe, R_EP1, 1);
 714
 715         regs[R_EB4]  &= 0x07;
 716         regs[R_EB4]  |= 0x60;
 717         tda18271_write_regs(fe, R_EB4, 1);
 718
 719         regs[R_EB7]   = 0x60;
 720         tda18271_write_regs(fe, R_EB7, 1);
 721
 722         regs[R_EB14]  = 0x00;
 723         tda18271_write_regs(fe, R_EB14, 1);
 724
 725         regs[R_EB20]  = 0xcc;
 726         tda18271_write_regs(fe, R_EB20, 1);
 727
 728         /* set cal mode to RF tracking filter calibration */
 729         regs[R_EP4]  |= 0x03;
 730
 731         /* calculate cal pll */
 732
 733         switch (priv->mode) {
 734         case TDA18271_ANALOG:
 735                 N = freq - 1250000;
 736                 break;
 737         case TDA18271_DIGITAL:
 738                 N = freq + bw / 2;
 739                 break;
 740         }
 741
 742         tda18271_calc_cal_pll(fe, N);
 743
 744         /* calculate main pll */
 745
 746         switch (priv->mode) {
 747         case TDA18271_ANALOG:
 748                 N = freq - 250000;
 749                 break;
 750         case TDA18271_DIGITAL:
 751                 N = freq + bw / 2 + 1000000;
 752                 break;
 753         }
 754
 755         tda18271_calc_main_pll(fe, N);
 756
 757         ret = tda18271_write_regs(fe, R_EP3, 11);
 758         if (tda_fail(ret))
 759                 return ret;
 760
 761         msleep(5); /* RF tracking filter calibration initialization */
 762
 763         /* search for K,M,CO for RF calibration */
 764         tda18271_calc_km(fe, &freq);
 765         tda18271_write_regs(fe, R_EB13, 1);
 766
 767         /* search for rf band */
 768         tda18271_calc_rf_band(fe, &freq);
 769
 770         /* search for gain taper */
 771         tda18271_calc_gain_taper(fe, &freq);
 772
 773         tda18271_write_regs(fe, R_EP2, 1);
 774         tda18271_write_regs(fe, R_EP1, 1);
 775         tda18271_write_regs(fe, R_EP2, 1);
 776         tda18271_write_regs(fe, R_EP1, 1);
 777
 778         regs[R_EB4]  &= 0x07;
 779         regs[R_EB4]  |= 0x40;
 780         tda18271_write_regs(fe, R_EB4, 1);
 781
 782         regs[R_EB7]   = 0x40;
 783         tda18271_write_regs(fe, R_EB7, 1);
 784         msleep(10); /* pll locking */
 785
 786         regs[R_EB20]  = 0xec;
 787         tda18271_write_regs(fe, R_EB20, 1);
 788         msleep(60); /* RF tracking filter calibration completion */
 789
 790         regs[R_EP4]  &= ~0x03; /* set cal mode to normal */
 791         tda18271_write_regs(fe, R_EP4, 1);
 792
 793         tda18271_write_regs(fe, R_EP1, 1);
 794
 795         /* RF tracking filter correction for VHF_Low band */
 796         if (0 == tda18271_calc_rf_cal(fe, &freq))
 797                 tda18271_write_regs(fe, R_EB14, 1);
 798
 799         return 0;
 800 }
 801
 802 /* ------------------------------------------------------------------ */
 803
 804 static int tda18271_ir_cal_init(struct dvb_frontend *fe)
 805 {
 806         struct tda18271_priv *priv = fe->tuner_priv;
 807         unsigned char *regs = priv->tda18271_regs;
 808         int ret;
 809
 810         ret = tda18271_read_regs(fe);
 811         if (tda_fail(ret))
 812                 goto fail;
 813
 814         /* test IR_CAL_OK to see if we need init */
 815         if ((regs[R_EP1] & 0x08) == 0)
 816                 ret = tda18271_init_regs(fe);
 817 fail:
 818         return ret;
 819 }
 820
 821 static int tda18271_init(struct dvb_frontend *fe)
 822 {
 823         struct tda18271_priv *priv = fe->tuner_priv;
 824         int ret;
 825
 826         mutex_lock(&priv->lock);
 827
 828         /* full power up */
 829         ret = tda18271_set_standby_mode(fe, 0, 0, 0);
 830         if (tda_fail(ret))
 831                 goto fail;
 832
 833         /* initialization */
 834         ret = tda18271_ir_cal_init(fe);
 835         if (tda_fail(ret))
 836                 goto fail;
 837
 838         if (priv->id == TDA18271HDC2)
 839                 tda18271c2_rf_cal_init(fe);
 840 fail:
 841         mutex_unlock(&priv->lock);
 842
 843         return ret;
 844 }
 845
 846 static int tda18271_sleep(struct dvb_frontend *fe)
 847 {
 848         struct tda18271_priv *priv = fe->tuner_priv;
 849         int ret;
 850
 851         mutex_lock(&priv->lock);
 852
 853         /* enter standby mode, with required output features enabled */
 854         ret = tda18271_toggle_output(fe, 1);
 855
 856         mutex_unlock(&priv->lock);
 857
 858         return ret;
 859 }
 860
 861 /* ------------------------------------------------------------------ */
 862
 863 static int tda18271_agc(struct dvb_frontend *fe)
 864 {
 865         struct tda18271_priv *priv = fe->tuner_priv;
 866         int ret = 0;
 867
 868         switch (priv->config) {
 869         case 0:
 870                 /* no external agc configuration required */
 871                 if (tda18271_debug & DBG_ADV)
 872                         tda_dbg("no agc configuration provided\n");
 873                 break;
 874         case 3:
 875                 /* switch with GPIO of saa713x */
 876                 tda_dbg("invoking callback\n");
 877                 if (fe->callback)
 878                         ret = fe->callback(priv->i2c_props.adap->algo_data,
 879                                            DVB_FRONTEND_COMPONENT_TUNER,
 880                                            TDA18271_CALLBACK_CMD_AGC_ENABLE,
 881                                            priv->mode);
 882                 break;
 883         case 1:
 884         case 2:
 885         default:
 886                 /* n/a - currently not supported */
 887                 tda_err("unsupported configuration: %d\n", priv->config);
 888                 ret = -EINVAL;
 889                 break;
 890         }
 891         return ret;
 892 }
 893
 894 static int tda18271_tune(struct dvb_frontend *fe,
 895                          struct tda18271_std_map_item *map, u32 freq, u32 bw)
 896 {
 897         struct tda18271_priv *priv = fe->tuner_priv;
 898         int ret;
 899
 900         tda_dbg("freq = %d, ifc = %d, bw = %d, agc_mode = %d, std = %d\n",
 901                 freq, map->if_freq, bw, map->agc_mode, map->std);
 902
 903         ret = tda18271_agc(fe);
 904         if (tda_fail(ret))
 905                 tda_warn("failed to configure agc\n");
 906
 907         ret = tda18271_init(fe);
 908         if (tda_fail(ret))
 909                 goto fail;
 910
 911         mutex_lock(&priv->lock);
 912
 913         switch (priv->id) {
 914         case TDA18271HDC1:
 915                 tda18271c1_rf_tracking_filter_calibration(fe, freq, bw);
 916                 break;
 917         case TDA18271HDC2:
 918                 tda18271c2_rf_tracking_filters_correction(fe, freq);
 919                 break;
 920         }
 921         ret = tda18271_channel_configuration(fe, map, freq, bw);
 922
 923         mutex_unlock(&priv->lock);
 924 fail:
 925         return ret;
 926 }
 927
 928 /* ------------------------------------------------------------------ */
 929
 930 static int tda18271_set_params(struct dvb_frontend *fe,
 931                                struct dvb_frontend_parameters *params)
 932 {
 933         struct tda18271_priv *priv = fe->tuner_priv;
 934         struct tda18271_std_map *std_map = &priv->std;
 935         struct tda18271_std_map_item *map;
 936         int ret;
 937         u32 bw, freq = params->frequency;
 938
 939         priv->mode = TDA18271_DIGITAL;
 940
 941         if (fe->ops.info.type == FE_ATSC) {
 942                 switch (params->u.vsb.modulation) {
 943                 case VSB_8:
 944                 case VSB_16:
 945                         map = &std_map->atsc_6;
 946                         break;
 947                 case QAM_64:
 948                 case QAM_256:
 949                         map = &std_map->qam_6;
 950                         break;
 951                 default:
 952                         tda_warn("modulation not set!\n");
 953                         return -EINVAL;
 954                 }
 955 #if 0
 956                 /* userspace request is already center adjusted */
 957                 freq += 1750000; /* Adjust to center (+1.75MHZ) */
 958 #endif
 959                 bw = 6000000;
 960         } else if (fe->ops.info.type == FE_OFDM) {
 961                 switch (params->u.ofdm.bandwidth) {
 962                 case BANDWIDTH_6_MHZ:
 963                         bw = 6000000;
 964                         map = &std_map->dvbt_6;
 965                         break;
 966                 case BANDWIDTH_7_MHZ:
 967                         bw = 7000000;
 968                         map = &std_map->dvbt_7;
 969                         break;
 970                 case BANDWIDTH_8_MHZ:
 971                         bw = 8000000;
 972                         map = &std_map->dvbt_8;
 973                         break;
 974                 default:
 975                         tda_warn("bandwidth not set!\n");
 976                         return -EINVAL;
 977                 }
 978         } else {
 979                 tda_warn("modulation type not supported!\n");
 980                 return -EINVAL;
 981         }
 982
 983         /* When tuning digital, the analog demod must be tri-stated */
 984         if (fe->ops.analog_ops.standby)
 985                 fe->ops.analog_ops.standby(fe);
 986
 987         ret = tda18271_tune(fe, map, freq, bw);
 988
 989         if (tda_fail(ret))
 990                 goto fail;
 991
 992         priv->frequency = freq;
 993         priv->bandwidth = (fe->ops.info.type == FE_OFDM) ?
 994                 params->u.ofdm.bandwidth : 0;
 995 fail:
 996         return ret;
 997 }
 998
 999 static int tda18271_set_analog_params(struct dvb_frontend *fe,
1000                                       struct analog_parameters *params)
1001 {
1002         struct tda18271_priv *priv = fe->tuner_priv;
1003         struct tda18271_std_map *std_map = &priv->std;
1004         struct tda18271_std_map_item *map;
1005         char *mode;
1006         int ret;
1007         u32 freq = params->frequency * 125 *
1008                 ((params->mode == V4L2_TUNER_RADIO) ? 1 : 1000) / 2;
1009
1010         priv->mode = TDA18271_ANALOG;
1011
1012         if (params->mode == V4L2_TUNER_RADIO) {
1013                 map = &std_map->fm_radio;
1014                 mode = "fm";
1015         } else if (params->std & V4L2_STD_MN) {
1016                 map = &std_map->atv_mn;
1017                 mode = "MN";
1018         } else if (params->std & V4L2_STD_B) {
1019                 map = &std_map->atv_b;
1020                 mode = "B";
1021         } else if (params->std & V4L2_STD_GH) {
1022                 map = &std_map->atv_gh;
1023                 mode = "GH";
1024         } else if (params->std & V4L2_STD_PAL_I) {
1025                 map = &std_map->atv_i;
1026                 mode = "I";
1027         } else if (params->std & V4L2_STD_DK) {
1028                 map = &std_map->atv_dk;
1029                 mode = "DK";
1030         } else if (params->std & V4L2_STD_SECAM_L) {
1031                 map = &std_map->atv_l;
1032                 mode = "L";
1033         } else if (params->std & V4L2_STD_SECAM_LC) {
1034                 map = &std_map->atv_lc;
1035                 mode = "L'";
1036         } else {
1037                 map = &std_map->atv_i;
1038                 mode = "xx";
1039         }
1040
1041         tda_dbg("setting tda18271 to system %s\n", mode);
1042
1043         ret = tda18271_tune(fe, map, freq, 0);
1044
1045         if (tda_fail(ret))
1046                 goto fail;
1047
1048         priv->frequency = freq;
1049         priv->bandwidth = 0;
1050 fail:
1051         return ret;
1052 }
1053
1054 static int tda18271_release(struct dvb_frontend *fe)
1055 {
1056         struct tda18271_priv *priv = fe->tuner_priv;
1057
1058         mutex_lock(&tda18271_list_mutex);
1059
1060         if (priv)
1061                 hybrid_tuner_release_state(priv);
1062
1063         mutex_unlock(&tda18271_list_mutex);
1064
1065         fe->tuner_priv = NULL;
1066
1067         return 0;
1068 }
1069
1070 static int tda18271_get_frequency(struct dvb_frontend *fe, u32 *frequency)
1071 {
1072         struct tda18271_priv *priv = fe->tuner_priv;
1073         *frequency = priv->frequency;
1074         return 0;
1075 }
1076
1077 static int tda18271_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
1078 {
1079         struct tda18271_priv *priv = fe->tuner_priv;
1080         *bandwidth = priv->bandwidth;
1081         return 0;
1082 }
1083
1084 /* ------------------------------------------------------------------ */
1085
1086 #define tda18271_update_std(std_cfg, name) do {                         \
1087         if (map->std_cfg.if_freq +                                      \
1088                 map->std_cfg.agc_mode + map->std_cfg.std +              \
1089                 map->std_cfg.if_lvl + map->std_cfg.rfagc_top > 0) {     \
1090                 tda_dbg("Using custom std config for %s\n", name);      \
1091                 memcpy(&std->std_cfg, &map->std_cfg,                    \
1092                         sizeof(struct tda18271_std_map_item));          \
1093         } } while (0)
1094
1095 #define tda18271_dump_std_item(std_cfg, name) do {                      \
1096         tda_dbg("(%s) if_freq = %d, agc_mode = %d, std = %d, "          \
1097                 "if_lvl = %d, rfagc_top = 0x%02x\n",                    \
1098                 name, std->std_cfg.if_freq,                             \
1099                 std->std_cfg.agc_mode, std->std_cfg.std,                \
1100                 std->std_cfg.if_lvl, std->std_cfg.rfagc_top);           \
1101         } while (0)
1102
1103 static int tda18271_dump_std_map(struct dvb_frontend *fe)
1104 {
1105         struct tda18271_priv *priv = fe->tuner_priv;
1106         struct tda18271_std_map *std = &priv->std;
1107
1108         tda_dbg("========== STANDARD MAP SETTINGS ==========\n");
1109         tda18271_dump_std_item(fm_radio, "  fm  ");
1110         tda18271_dump_std_item(atv_b,  "atv b ");
1111         tda18271_dump_std_item(atv_dk, "atv dk");
1112         tda18271_dump_std_item(atv_gh, "atv gh");
1113         tda18271_dump_std_item(atv_i,  "atv i ");
1114         tda18271_dump_std_item(atv_l,  "atv l ");
1115         tda18271_dump_std_item(atv_lc, "atv l'");
1116         tda18271_dump_std_item(atv_mn, "atv mn");
1117         tda18271_dump_std_item(atsc_6, "atsc 6");
1118         tda18271_dump_std_item(dvbt_6, "dvbt 6");
1119         tda18271_dump_std_item(dvbt_7, "dvbt 7");
1120         tda18271_dump_std_item(dvbt_8, "dvbt 8");
1121         tda18271_dump_std_item(qam_6,  "qam 6 ");
1122         tda18271_dump_std_item(qam_8,  "qam 8 ");
1123
1124         return 0;
1125 }
1126
1127 static int tda18271_update_std_map(struct dvb_frontend *fe,
1128                                    struct tda18271_std_map *map)
1129 {
1130         struct tda18271_priv *priv = fe->tuner_priv;
1131         struct tda18271_std_map *std = &priv->std;
1132
1133         if (!map)
1134                 return -EINVAL;
1135
1136         tda18271_update_std(fm_radio, "fm");
1137         tda18271_update_std(atv_b,  "atv b");
1138         tda18271_update_std(atv_dk, "atv dk");
1139         tda18271_update_std(atv_gh, "atv gh");
1140         tda18271_update_std(atv_i,  "atv i");
1141         tda18271_update_std(atv_l,  "atv l");
1142         tda18271_update_std(atv_lc, "atv l'");
1143         tda18271_update_std(atv_mn, "atv mn");
1144         tda18271_update_std(atsc_6, "atsc 6");
1145         tda18271_update_std(dvbt_6, "dvbt 6");
1146         tda18271_update_std(dvbt_7, "dvbt 7");
1147         tda18271_update_std(dvbt_8, "dvbt 8");
1148         tda18271_update_std(qam_6,  "qam 6");
1149         tda18271_update_std(qam_8,  "qam 8");
1150
1151         return 0;
1152 }
1153
1154 static int tda18271_get_id(struct dvb_frontend *fe)
1155 {
1156         struct tda18271_priv *priv = fe->tuner_priv;
1157         unsigned char *regs = priv->tda18271_regs;
1158         char *name;
1159
1160         mutex_lock(&priv->lock);
1161         tda18271_read_regs(fe);
1162         mutex_unlock(&priv->lock);
1163
1164         switch (regs[R_ID] & 0x7f) {
1165         case 3:
1166                 name = "TDA18271HD/C1";
1167                 priv->id = TDA18271HDC1;
1168                 break;
1169         case 4:
1170                 name = "TDA18271HD/C2";
1171                 priv->id = TDA18271HDC2;
1172                 break;
1173         default:
1174                 tda_info("Unknown device (%i) detected @ %d-%04x, device not supported.\n",
1175                          regs[R_ID], i2c_adapter_id(priv->i2c_props.adap),
1176                          priv->i2c_props.addr);
1177                 return -EINVAL;
1178         }
1179
1180         tda_info("%s detected @ %d-%04x\n", name,
1181                  i2c_adapter_id(priv->i2c_props.adap), priv->i2c_props.addr);
1182
1183         return 0;
1184 }
1185
1186 static int tda18271_setup_configuration(struct dvb_frontend *fe,
1187                                         struct tda18271_config *cfg)
1188 {
1189         struct tda18271_priv *priv = fe->tuner_priv;
1190
1191         priv->gate = (cfg) ? cfg->gate : TDA18271_GATE_AUTO;
1192         priv->role = (cfg) ? cfg->role : TDA18271_MASTER;
1193         priv->config = (cfg) ? cfg->config : 0;
1194         priv->small_i2c = (cfg) ?
1195                 cfg->small_i2c : TDA18271_39_BYTE_CHUNK_INIT;
1196         priv->output_opt = (cfg) ?
1197                 cfg->output_opt : TDA18271_OUTPUT_LT_XT_ON;
1198
1199         return 0;
1200 }
1201
1202 static inline int tda18271_need_cal_on_startup(struct tda18271_config *cfg)
1203 {
1204         /* tda18271_cal_on_startup == -1 when cal module option is unset */
1205         return ((tda18271_cal_on_startup == -1) ?
1206                 /* honor configuration setting */
1207                 ((cfg) && (cfg->rf_cal_on_startup)) :
1208                 /* module option overrides configuration setting */
1209                 (tda18271_cal_on_startup)) ? 1 : 0;
1210 }
1211
1212 static int tda18271_set_config(struct dvb_frontend *fe, void *priv_cfg)
1213 {
1214         struct tda18271_config *cfg = (struct tda18271_config *) priv_cfg;
1215
1216         tda18271_setup_configuration(fe, cfg);
1217
1218         if (tda18271_need_cal_on_startup(cfg))
1219                 tda18271_init(fe);
1220
1221         /* override default std map with values in config struct */
1222         if ((cfg) && (cfg->std_map))
1223                 tda18271_update_std_map(fe, cfg->std_map);
1224
1225         return 0;
1226 }
1227
1228 static struct dvb_tuner_ops tda18271_tuner_ops = {
1229         .info = {
1230                 .name = "NXP TDA18271HD",
1231                 .frequency_min  =  45000000,
1232                 .frequency_max  = 864000000,
1233                 .frequency_step =     62500
1234         },
1235         .init              = tda18271_init,
1236         .sleep             = tda18271_sleep,
1237         .set_params        = tda18271_set_params,
1238         .set_analog_params = tda18271_set_analog_params,
1239         .release           = tda18271_release,
1240         .set_config        = tda18271_set_config,
1241         .get_frequency     = tda18271_get_frequency,
1242         .get_bandwidth     = tda18271_get_bandwidth,
1243 };
1244
1245 struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
1246                                      struct i2c_adapter *i2c,
1247                                      struct tda18271_config *cfg)
1248 {
1249         struct tda18271_priv *priv = NULL;
1250         int instance, ret;
1251
1252         mutex_lock(&tda18271_list_mutex);
1253
1254         instance = hybrid_tuner_request_state(struct tda18271_priv, priv,
1255                                               hybrid_tuner_instance_list,
1256                                               i2c, addr, "tda18271");
1257         switch (instance) {
1258         case 0:
1259                 goto fail;
1260         case 1:
1261                 /* new tuner instance */
1262                 fe->tuner_priv = priv;
1263
1264                 tda18271_setup_configuration(fe, cfg);
1265
1266                 priv->cal_initialized = false;
1267                 mutex_init(&priv->lock);
1268
1269                 ret = tda18271_get_id(fe);
1270                 if (tda_fail(ret))
1271                         goto fail;
1272
1273                 ret = tda18271_assign_map_layout(fe);
1274                 if (tda_fail(ret))
1275                         goto fail;
1276
1277                 mutex_lock(&priv->lock);
1278                 tda18271_init_regs(fe);
1279
1280                 if ((tda18271_need_cal_on_startup(cfg)) &&
1281                     (priv->id == TDA18271HDC2))
1282                         tda18271c2_rf_cal_init(fe);
1283
1284                 mutex_unlock(&priv->lock);
1285                 break;
1286         default:
1287                 /* existing tuner instance */
1288                 fe->tuner_priv = priv;
1289
1290                 /* allow dvb driver to override configuration settings */
1291                 if (cfg) {
1292                         if (cfg->gate != TDA18271_GATE_ANALOG)
1293                                 priv->gate = cfg->gate;
1294                         if (cfg->role)
1295                                 priv->role = cfg->role;
1296                         if (cfg->config)
1297                                 priv->config = cfg->config;
1298                         if (cfg->small_i2c)
1299                                 priv->small_i2c = cfg->small_i2c;
1300                         if (cfg->output_opt)
1301                                 priv->output_opt = cfg->output_opt;
1302                         if (cfg->std_map)
1303                                 tda18271_update_std_map(fe, cfg->std_map);
1304                 }
1305                 if (tda18271_need_cal_on_startup(cfg))
1306                         tda18271_init(fe);
1307                 break;
1308         }
1309
1310         /* override default std map with values in config struct */
1311         if ((cfg) && (cfg->std_map))
1312                 tda18271_update_std_map(fe, cfg->std_map);
1313
1314         mutex_unlock(&tda18271_list_mutex);
1315
1316         memcpy(&fe->ops.tuner_ops, &tda18271_tuner_ops,
1317                sizeof(struct dvb_tuner_ops));
1318
1319         if (tda18271_debug & (DBG_MAP | DBG_ADV))
1320                 tda18271_dump_std_map(fe);
1321
1322         return fe;
1323 fail:
1324         mutex_unlock(&tda18271_list_mutex);
1325
1326         tda18271_release(fe);
1327         return NULL;
1328 }
1329 EXPORT_SYMBOL_GPL(tda18271_attach);
1330 MODULE_DESCRIPTION("NXP TDA18271HD analog / digital tuner driver");
1331 MODULE_AUTHOR("Michael Krufky <mkrufky@linuxtv.org>");
1332 MODULE_LICENSE("GPL");
1333 MODULE_VERSION("0.4");
1334
1335 /*
1336  * Overrides for Emacs so that we follow Linus's tabbing style.
1337  * ---------------------------------------------------------------------------
1338  * Local variables:
1339  * c-basic-offset: 8
1340  * End:
1341  */