linux/drivers/media/tuners/tda18271-fe.c
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   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 "tda18271-priv.h"
  22#include "tda8290.h"
  23
  24#include <linux/delay.h>
  25#include <linux/videodev2.h>
  26
  27int tda18271_debug;
  28module_param_named(debug, tda18271_debug, int, 0644);
  29MODULE_PARM_DESC(debug, "set debug level (info=1, map=2, reg=4, adv=8, cal=16 (or-able))");
  30
  31static int tda18271_cal_on_startup = -1;
  32module_param_named(cal, tda18271_cal_on_startup, int, 0644);
  33MODULE_PARM_DESC(cal, "perform RF tracking filter calibration on startup");
  34
  35static DEFINE_MUTEX(tda18271_list_mutex);
  36static LIST_HEAD(hybrid_tuner_instance_list);
  37
  38/*---------------------------------------------------------------------*/
  39
  40static int tda18271_toggle_output(struct dvb_frontend *fe, int standby)
  41{
  42        struct tda18271_priv *priv = fe->tuner_priv;
  43
  44        int ret = tda18271_set_standby_mode(fe, standby ? 1 : 0,
  45                        priv->output_opt & TDA18271_OUTPUT_LT_OFF ? 1 : 0,
  46                        priv->output_opt & TDA18271_OUTPUT_XT_OFF ? 1 : 0);
  47
  48        if (tda_fail(ret))
  49                goto fail;
  50
  51        tda_dbg("%s mode: xtal oscillator %s, slave tuner loop thru %s\n",
  52                standby ? "standby" : "active",
  53                priv->output_opt & TDA18271_OUTPUT_XT_OFF ? "off" : "on",
  54                priv->output_opt & TDA18271_OUTPUT_LT_OFF ? "off" : "on");
  55fail:
  56        return ret;
  57}
  58
  59/*---------------------------------------------------------------------*/
  60
  61static inline int charge_pump_source(struct dvb_frontend *fe, int force)
  62{
  63        struct tda18271_priv *priv = fe->tuner_priv;
  64        return tda18271_charge_pump_source(fe,
  65                                           (priv->role == TDA18271_SLAVE) ?
  66                                           TDA18271_CAL_PLL :
  67                                           TDA18271_MAIN_PLL, force);
  68}
  69
  70static inline void tda18271_set_if_notch(struct dvb_frontend *fe)
  71{
  72        struct tda18271_priv *priv = fe->tuner_priv;
  73        unsigned char *regs = priv->tda18271_regs;
  74
  75        switch (priv->mode) {
  76        case TDA18271_ANALOG:
  77                regs[R_MPD]  &= ~0x80; /* IF notch = 0 */
  78                break;
  79        case TDA18271_DIGITAL:
  80                regs[R_MPD]  |= 0x80; /* IF notch = 1 */
  81                break;
  82        }
  83}
  84
  85static int tda18271_channel_configuration(struct dvb_frontend *fe,
  86                                          struct tda18271_std_map_item *map,
  87                                          u32 freq, u32 bw)
  88{
  89        struct tda18271_priv *priv = fe->tuner_priv;
  90        unsigned char *regs = priv->tda18271_regs;
  91        int ret;
  92        u32 N;
  93
  94        /* update TV broadcast parameters */
  95
  96        /* set standard */
  97        regs[R_EP3]  &= ~0x1f; /* clear std bits */
  98        regs[R_EP3]  |= (map->agc_mode << 3) | map->std;
  99
 100        if (priv->id == TDA18271HDC2) {
 101                /* set rfagc to high speed mode */
 102                regs[R_EP3] &= ~0x04;
 103        }
 104
 105        /* set cal mode to normal */
 106        regs[R_EP4]  &= ~0x03;
 107
 108        /* update IF output level */
 109        regs[R_EP4]  &= ~0x1c; /* clear if level bits */
 110        regs[R_EP4]  |= (map->if_lvl << 2);
 111
 112        /* update FM_RFn */
 113        regs[R_EP4]  &= ~0x80;
 114        regs[R_EP4]  |= map->fm_rfn << 7;
 115
 116        /* update rf top / if top */
 117        regs[R_EB22]  = 0x00;
 118        regs[R_EB22] |= map->rfagc_top;
 119        ret = tda18271_write_regs(fe, R_EB22, 1);
 120        if (tda_fail(ret))
 121                goto fail;
 122
 123        /* --------------------------------------------------------------- */
 124
 125        /* disable Power Level Indicator */
 126        regs[R_EP1]  |= 0x40;
 127
 128        /* make sure thermometer is off */
 129        regs[R_TM]   &= ~0x10;
 130
 131        /* frequency dependent parameters */
 132
 133        tda18271_calc_ir_measure(fe, &freq);
 134
 135        tda18271_calc_bp_filter(fe, &freq);
 136
 137        tda18271_calc_rf_band(fe, &freq);
 138
 139        tda18271_calc_gain_taper(fe, &freq);
 140
 141        /* --------------------------------------------------------------- */
 142
 143        /* dual tuner and agc1 extra configuration */
 144
 145        switch (priv->role) {
 146        case TDA18271_MASTER:
 147                regs[R_EB1]  |= 0x04; /* main vco */
 148                break;
 149        case TDA18271_SLAVE:
 150                regs[R_EB1]  &= ~0x04; /* cal vco */
 151                break;
 152        }
 153
 154        /* agc1 always active */
 155        regs[R_EB1]  &= ~0x02;
 156
 157        /* agc1 has priority on agc2 */
 158        regs[R_EB1]  &= ~0x01;
 159
 160        ret = tda18271_write_regs(fe, R_EB1, 1);
 161        if (tda_fail(ret))
 162                goto fail;
 163
 164        /* --------------------------------------------------------------- */
 165
 166        N = map->if_freq * 1000 + freq;
 167
 168        switch (priv->role) {
 169        case TDA18271_MASTER:
 170                tda18271_calc_main_pll(fe, N);
 171                tda18271_set_if_notch(fe);
 172                tda18271_write_regs(fe, R_MPD, 4);
 173                break;
 174        case TDA18271_SLAVE:
 175                tda18271_calc_cal_pll(fe, N);
 176                tda18271_write_regs(fe, R_CPD, 4);
 177
 178                regs[R_MPD] = regs[R_CPD] & 0x7f;
 179                tda18271_set_if_notch(fe);
 180                tda18271_write_regs(fe, R_MPD, 1);
 181                break;
 182        }
 183
 184        ret = tda18271_write_regs(fe, R_TM, 7);
 185        if (tda_fail(ret))
 186                goto fail;
 187
 188        /* force charge pump source */
 189        charge_pump_source(fe, 1);
 190
 191        msleep(1);
 192
 193        /* return pll to normal operation */
 194        charge_pump_source(fe, 0);
 195
 196        msleep(20);
 197
 198        if (priv->id == TDA18271HDC2) {
 199                /* set rfagc to normal speed mode */
 200                if (map->fm_rfn)
 201                        regs[R_EP3] &= ~0x04;
 202                else
 203                        regs[R_EP3] |= 0x04;
 204                ret = tda18271_write_regs(fe, R_EP3, 1);
 205        }
 206fail:
 207        return ret;
 208}
 209
 210static int tda18271_read_thermometer(struct dvb_frontend *fe)
 211{
 212        struct tda18271_priv *priv = fe->tuner_priv;
 213        unsigned char *regs = priv->tda18271_regs;
 214        int tm;
 215
 216        /* switch thermometer on */
 217        regs[R_TM]   |= 0x10;
 218        tda18271_write_regs(fe, R_TM, 1);
 219
 220        /* read thermometer info */
 221        tda18271_read_regs(fe);
 222
 223        if ((((regs[R_TM] & 0x0f) == 0x00) && ((regs[R_TM] & 0x20) == 0x20)) ||
 224            (((regs[R_TM] & 0x0f) == 0x08) && ((regs[R_TM] & 0x20) == 0x00))) {
 225
 226                if ((regs[R_TM] & 0x20) == 0x20)
 227                        regs[R_TM] &= ~0x20;
 228                else
 229                        regs[R_TM] |= 0x20;
 230
 231                tda18271_write_regs(fe, R_TM, 1);
 232
 233                msleep(10); /* temperature sensing */
 234
 235                /* read thermometer info */
 236                tda18271_read_regs(fe);
 237        }
 238
 239        tm = tda18271_lookup_thermometer(fe);
 240
 241        /* switch thermometer off */
 242        regs[R_TM]   &= ~0x10;
 243        tda18271_write_regs(fe, R_TM, 1);
 244
 245        /* set CAL mode to normal */
 246        regs[R_EP4]  &= ~0x03;
 247        tda18271_write_regs(fe, R_EP4, 1);
 248
 249        return tm;
 250}
 251
 252/* ------------------------------------------------------------------ */
 253
 254static int tda18271c2_rf_tracking_filters_correction(struct dvb_frontend *fe,
 255                                                     u32 freq)
 256{
 257        struct tda18271_priv *priv = fe->tuner_priv;
 258        struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state;
 259        unsigned char *regs = priv->tda18271_regs;
 260        int i, ret;
 261        u8 tm_current, dc_over_dt, rf_tab;
 262        s32 rfcal_comp, approx;
 263
 264        /* power up */
 265        ret = tda18271_set_standby_mode(fe, 0, 0, 0);
 266        if (tda_fail(ret))
 267                goto fail;
 268
 269        /* read die current temperature */
 270        tm_current = tda18271_read_thermometer(fe);
 271
 272        /* frequency dependent parameters */
 273
 274        tda18271_calc_rf_cal(fe, &freq);
 275        rf_tab = regs[R_EB14];
 276
 277        i = tda18271_lookup_rf_band(fe, &freq, NULL);
 278        if (tda_fail(i))
 279                return i;
 280
 281        if ((0 == map[i].rf3) || (freq / 1000 < map[i].rf2)) {
 282                approx = map[i].rf_a1 * (s32)(freq / 1000 - map[i].rf1) +
 283                        map[i].rf_b1 + rf_tab;
 284        } else {
 285                approx = map[i].rf_a2 * (s32)(freq / 1000 - map[i].rf2) +
 286                        map[i].rf_b2 + rf_tab;
 287        }
 288
 289        if (approx < 0)
 290                approx = 0;
 291        if (approx > 255)
 292                approx = 255;
 293
 294        tda18271_lookup_map(fe, RF_CAL_DC_OVER_DT, &freq, &dc_over_dt);
 295
 296        /* calculate temperature compensation */
 297        rfcal_comp = dc_over_dt * (s32)(tm_current - priv->tm_rfcal) / 1000;
 298
 299        regs[R_EB14] = (unsigned char)(approx + rfcal_comp);
 300        ret = tda18271_write_regs(fe, R_EB14, 1);
 301fail:
 302        return ret;
 303}
 304
 305static int tda18271_por(struct dvb_frontend *fe)
 306{
 307        struct tda18271_priv *priv = fe->tuner_priv;
 308        unsigned char *regs = priv->tda18271_regs;
 309        int ret;
 310
 311        /* power up detector 1 */
 312        regs[R_EB12] &= ~0x20;
 313        ret = tda18271_write_regs(fe, R_EB12, 1);
 314        if (tda_fail(ret))
 315                goto fail;
 316
 317        regs[R_EB18] &= ~0x80; /* turn agc1 loop on */
 318        regs[R_EB18] &= ~0x03; /* set agc1_gain to  6 dB */
 319        ret = tda18271_write_regs(fe, R_EB18, 1);
 320        if (tda_fail(ret))
 321                goto fail;
 322
 323        regs[R_EB21] |= 0x03; /* set agc2_gain to -6 dB */
 324
 325        /* POR mode */
 326        ret = tda18271_set_standby_mode(fe, 1, 0, 0);
 327        if (tda_fail(ret))
 328                goto fail;
 329
 330        /* disable 1.5 MHz low pass filter */
 331        regs[R_EB23] &= ~0x04; /* forcelp_fc2_en = 0 */
 332        regs[R_EB23] &= ~0x02; /* XXX: lp_fc[2] = 0 */
 333        ret = tda18271_write_regs(fe, R_EB21, 3);
 334fail:
 335        return ret;
 336}
 337
 338static int tda18271_calibrate_rf(struct dvb_frontend *fe, u32 freq)
 339{
 340        struct tda18271_priv *priv = fe->tuner_priv;
 341        unsigned char *regs = priv->tda18271_regs;
 342        u32 N;
 343
 344        /* set CAL mode to normal */
 345        regs[R_EP4]  &= ~0x03;
 346        tda18271_write_regs(fe, R_EP4, 1);
 347
 348        /* switch off agc1 */
 349        regs[R_EP3]  |= 0x40; /* sm_lt = 1 */
 350
 351        regs[R_EB18] |= 0x03; /* set agc1_gain to 15 dB */
 352        tda18271_write_regs(fe, R_EB18, 1);
 353
 354        /* frequency dependent parameters */
 355
 356        tda18271_calc_bp_filter(fe, &freq);
 357        tda18271_calc_gain_taper(fe, &freq);
 358        tda18271_calc_rf_band(fe, &freq);
 359        tda18271_calc_km(fe, &freq);
 360
 361        tda18271_write_regs(fe, R_EP1, 3);
 362        tda18271_write_regs(fe, R_EB13, 1);
 363
 364        /* main pll charge pump source */
 365        tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 1);
 366
 367        /* cal pll charge pump source */
 368        tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 1);
 369
 370        /* force dcdc converter to 0 V */
 371        regs[R_EB14] = 0x00;
 372        tda18271_write_regs(fe, R_EB14, 1);
 373
 374        /* disable plls lock */
 375        regs[R_EB20] &= ~0x20;
 376        tda18271_write_regs(fe, R_EB20, 1);
 377
 378        /* set CAL mode to RF tracking filter calibration */
 379        regs[R_EP4]  |= 0x03;
 380        tda18271_write_regs(fe, R_EP4, 2);
 381
 382        /* --------------------------------------------------------------- */
 383
 384        /* set the internal calibration signal */
 385        N = freq;
 386
 387        tda18271_calc_cal_pll(fe, N);
 388        tda18271_write_regs(fe, R_CPD, 4);
 389
 390        /* downconvert internal calibration */
 391        N += 1000000;
 392
 393        tda18271_calc_main_pll(fe, N);
 394        tda18271_write_regs(fe, R_MPD, 4);
 395
 396        msleep(5);
 397
 398        tda18271_write_regs(fe, R_EP2, 1);
 399        tda18271_write_regs(fe, R_EP1, 1);
 400        tda18271_write_regs(fe, R_EP2, 1);
 401        tda18271_write_regs(fe, R_EP1, 1);
 402
 403        /* --------------------------------------------------------------- */
 404
 405        /* normal operation for the main pll */
 406        tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 0);
 407
 408        /* normal operation for the cal pll  */
 409        tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 0);
 410
 411        msleep(10); /* plls locking */
 412
 413        /* launch the rf tracking filters calibration */
 414        regs[R_EB20]  |= 0x20;
 415        tda18271_write_regs(fe, R_EB20, 1);
 416
 417        msleep(60); /* calibration */
 418
 419        /* --------------------------------------------------------------- */
 420
 421        /* set CAL mode to normal */
 422        regs[R_EP4]  &= ~0x03;
 423
 424        /* switch on agc1 */
 425        regs[R_EP3]  &= ~0x40; /* sm_lt = 0 */
 426
 427        regs[R_EB18] &= ~0x03; /* set agc1_gain to  6 dB */
 428        tda18271_write_regs(fe, R_EB18, 1);
 429
 430        tda18271_write_regs(fe, R_EP3, 2);
 431
 432        /* synchronization */
 433        tda18271_write_regs(fe, R_EP1, 1);
 434
 435        /* get calibration result */
 436        tda18271_read_extended(fe);
 437
 438        return regs[R_EB14];
 439}
 440
 441static int tda18271_powerscan(struct dvb_frontend *fe,
 442                              u32 *freq_in, u32 *freq_out)
 443{
 444        struct tda18271_priv *priv = fe->tuner_priv;
 445        unsigned char *regs = priv->tda18271_regs;
 446        int sgn, bcal, count, wait, ret;
 447        u8 cid_target;
 448        u16 count_limit;
 449        u32 freq;
 450
 451        freq = *freq_in;
 452
 453        tda18271_calc_rf_band(fe, &freq);
 454        tda18271_calc_rf_cal(fe, &freq);
 455        tda18271_calc_gain_taper(fe, &freq);
 456        tda18271_lookup_cid_target(fe, &freq, &cid_target, &count_limit);
 457
 458        tda18271_write_regs(fe, R_EP2, 1);
 459        tda18271_write_regs(fe, R_EB14, 1);
 460
 461        /* downconvert frequency */
 462        freq += 1000000;
 463
 464        tda18271_calc_main_pll(fe, freq);
 465        tda18271_write_regs(fe, R_MPD, 4);
 466
 467        msleep(5); /* pll locking */
 468
 469        /* detection mode */
 470        regs[R_EP4]  &= ~0x03;
 471        regs[R_EP4]  |= 0x01;
 472        tda18271_write_regs(fe, R_EP4, 1);
 473
 474        /* launch power detection measurement */
 475        tda18271_write_regs(fe, R_EP2, 1);
 476
 477        /* read power detection info, stored in EB10 */
 478        ret = tda18271_read_extended(fe);
 479        if (tda_fail(ret))
 480                return ret;
 481
 482        /* algorithm initialization */
 483        sgn = 1;
 484        *freq_out = *freq_in;
 485        bcal = 0;
 486        count = 0;
 487        wait = false;
 488
 489        while ((regs[R_EB10] & 0x3f) < cid_target) {
 490                /* downconvert updated freq to 1 MHz */
 491                freq = *freq_in + (sgn * count) + 1000000;
 492
 493                tda18271_calc_main_pll(fe, freq);
 494                tda18271_write_regs(fe, R_MPD, 4);
 495
 496                if (wait) {
 497                        msleep(5); /* pll locking */
 498                        wait = false;
 499                } else
 500                        udelay(100); /* pll locking */
 501
 502                /* launch power detection measurement */
 503                tda18271_write_regs(fe, R_EP2, 1);
 504
 505                /* read power detection info, stored in EB10 */
 506                ret = tda18271_read_extended(fe);
 507                if (tda_fail(ret))
 508                        return ret;
 509
 510                count += 200;
 511
 512                if (count <= count_limit)
 513                        continue;
 514
 515                if (sgn <= 0)
 516                        break;
 517
 518                sgn = -1 * sgn;
 519                count = 200;
 520                wait = true;
 521        }
 522
 523        if ((regs[R_EB10] & 0x3f) >= cid_target) {
 524                bcal = 1;
 525                *freq_out = freq - 1000000;
 526        } else
 527                bcal = 0;
 528
 529        tda_cal("bcal = %d, freq_in = %d, freq_out = %d (freq = %d)\n",
 530                bcal, *freq_in, *freq_out, freq);
 531
 532        return bcal;
 533}
 534
 535static int tda18271_powerscan_init(struct dvb_frontend *fe)
 536{
 537        struct tda18271_priv *priv = fe->tuner_priv;
 538        unsigned char *regs = priv->tda18271_regs;
 539        int ret;
 540
 541        /* set standard to digital */
 542        regs[R_EP3]  &= ~0x1f; /* clear std bits */
 543        regs[R_EP3]  |= 0x12;
 544
 545        /* set cal mode to normal */
 546        regs[R_EP4]  &= ~0x03;
 547
 548        /* update IF output level */
 549        regs[R_EP4]  &= ~0x1c; /* clear if level bits */
 550
 551        ret = tda18271_write_regs(fe, R_EP3, 2);
 552        if (tda_fail(ret))
 553                goto fail;
 554
 555        regs[R_EB18] &= ~0x03; /* set agc1_gain to   6 dB */
 556        ret = tda18271_write_regs(fe, R_EB18, 1);
 557        if (tda_fail(ret))
 558                goto fail;
 559
 560        regs[R_EB21] &= ~0x03; /* set agc2_gain to -15 dB */
 561
 562        /* 1.5 MHz low pass filter */
 563        regs[R_EB23] |= 0x04; /* forcelp_fc2_en = 1 */
 564        regs[R_EB23] |= 0x02; /* lp_fc[2] = 1 */
 565
 566        ret = tda18271_write_regs(fe, R_EB21, 3);
 567fail:
 568        return ret;
 569}
 570
 571static int tda18271_rf_tracking_filters_init(struct dvb_frontend *fe, u32 freq)
 572{
 573        struct tda18271_priv *priv = fe->tuner_priv;
 574        struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state;
 575        unsigned char *regs = priv->tda18271_regs;
 576        int bcal, rf, i;
 577        s32 divisor, dividend;
 578#define RF1 0
 579#define RF2 1
 580#define RF3 2
 581        u32 rf_default[3];
 582        u32 rf_freq[3];
 583        s32 prog_cal[3];
 584        s32 prog_tab[3];
 585
 586        i = tda18271_lookup_rf_band(fe, &freq, NULL);
 587
 588        if (tda_fail(i))
 589                return i;
 590
 591        rf_default[RF1] = 1000 * map[i].rf1_def;
 592        rf_default[RF2] = 1000 * map[i].rf2_def;
 593        rf_default[RF3] = 1000 * map[i].rf3_def;
 594
 595        for (rf = RF1; rf <= RF3; rf++) {
 596                if (0 == rf_default[rf])
 597                        return 0;
 598                tda_cal("freq = %d, rf = %d\n", freq, rf);
 599
 600                /* look for optimized calibration frequency */
 601                bcal = tda18271_powerscan(fe, &rf_default[rf], &rf_freq[rf]);
 602                if (tda_fail(bcal))
 603                        return bcal;
 604
 605                tda18271_calc_rf_cal(fe, &rf_freq[rf]);
 606                prog_tab[rf] = (s32)regs[R_EB14];
 607
 608                if (1 == bcal)
 609                        prog_cal[rf] =
 610                                (s32)tda18271_calibrate_rf(fe, rf_freq[rf]);
 611                else
 612                        prog_cal[rf] = prog_tab[rf];
 613
 614                switch (rf) {
 615                case RF1:
 616                        map[i].rf_a1 = 0;
 617                        map[i].rf_b1 = (prog_cal[RF1] - prog_tab[RF1]);
 618                        map[i].rf1   = rf_freq[RF1] / 1000;
 619                        break;
 620                case RF2:
 621                        dividend = (prog_cal[RF2] - prog_tab[RF2] -
 622                                    prog_cal[RF1] + prog_tab[RF1]);
 623                        divisor = (s32)(rf_freq[RF2] - rf_freq[RF1]) / 1000;
 624                        map[i].rf_a1 = (dividend / divisor);
 625                        map[i].rf2   = rf_freq[RF2] / 1000;
 626                        break;
 627                case RF3:
 628                        dividend = (prog_cal[RF3] - prog_tab[RF3] -
 629                                    prog_cal[RF2] + prog_tab[RF2]);
 630                        divisor = (s32)(rf_freq[RF3] - rf_freq[RF2]) / 1000;
 631                        map[i].rf_a2 = (dividend / divisor);
 632                        map[i].rf_b2 = (prog_cal[RF2] - prog_tab[RF2]);
 633                        map[i].rf3   = rf_freq[RF3] / 1000;
 634                        break;
 635                default:
 636                        BUG();
 637                }
 638        }
 639
 640        return 0;
 641}
 642
 643static int tda18271_calc_rf_filter_curve(struct dvb_frontend *fe)
 644{
 645        struct tda18271_priv *priv = fe->tuner_priv;
 646        unsigned int i;
 647        int ret;
 648
 649        tda_info("performing RF tracking filter calibration\n");
 650
 651        /* wait for die temperature stabilization */
 652        msleep(200);
 653
 654        ret = tda18271_powerscan_init(fe);
 655        if (tda_fail(ret))
 656                goto fail;
 657
 658        /* rf band calibration */
 659        for (i = 0; priv->rf_cal_state[i].rfmax != 0; i++) {
 660                ret =
 661                tda18271_rf_tracking_filters_init(fe, 1000 *
 662                                                  priv->rf_cal_state[i].rfmax);
 663                if (tda_fail(ret))
 664                        goto fail;
 665        }
 666
 667        priv->tm_rfcal = tda18271_read_thermometer(fe);
 668fail:
 669        return ret;
 670}
 671
 672/* ------------------------------------------------------------------ */
 673
 674static int tda18271c2_rf_cal_init(struct dvb_frontend *fe)
 675{
 676        struct tda18271_priv *priv = fe->tuner_priv;
 677        unsigned char *regs = priv->tda18271_regs;
 678        int ret;
 679
 680        /* test RF_CAL_OK to see if we need init */
 681        if ((regs[R_EP1] & 0x10) == 0)
 682                priv->cal_initialized = false;
 683
 684        if (priv->cal_initialized)
 685                return 0;
 686
 687        ret = tda18271_calc_rf_filter_curve(fe);
 688        if (tda_fail(ret))
 689                goto fail;
 690
 691        ret = tda18271_por(fe);
 692        if (tda_fail(ret))
 693                goto fail;
 694
 695        tda_info("RF tracking filter calibration complete\n");
 696
 697        priv->cal_initialized = true;
 698        goto end;
 699fail:
 700        tda_info("RF tracking filter calibration failed!\n");
 701end:
 702        return ret;
 703}
 704
 705static int tda18271c1_rf_tracking_filter_calibration(struct dvb_frontend *fe,
 706                                                     u32 freq, u32 bw)
 707{
 708        struct tda18271_priv *priv = fe->tuner_priv;
 709        unsigned char *regs = priv->tda18271_regs;
 710        int ret;
 711        u32 N = 0;
 712
 713        /* calculate bp filter */
 714        tda18271_calc_bp_filter(fe, &freq);
 715        tda18271_write_regs(fe, R_EP1, 1);
 716
 717        regs[R_EB4]  &= 0x07;
 718        regs[R_EB4]  |= 0x60;
 719        tda18271_write_regs(fe, R_EB4, 1);
 720
 721        regs[R_EB7]   = 0x60;
 722        tda18271_write_regs(fe, R_EB7, 1);
 723
 724        regs[R_EB14]  = 0x00;
 725        tda18271_write_regs(fe, R_EB14, 1);
 726
 727        regs[R_EB20]  = 0xcc;
 728        tda18271_write_regs(fe, R_EB20, 1);
 729
 730        /* set cal mode to RF tracking filter calibration */
 731        regs[R_EP4]  |= 0x03;
 732
 733        /* calculate cal pll */
 734
 735        switch (priv->mode) {
 736        case TDA18271_ANALOG:
 737                N = freq - 1250000;
 738                break;
 739        case TDA18271_DIGITAL:
 740                N = freq + bw / 2;
 741                break;
 742        }
 743
 744        tda18271_calc_cal_pll(fe, N);
 745
 746        /* calculate main pll */
 747
 748        switch (priv->mode) {
 749        case TDA18271_ANALOG:
 750                N = freq - 250000;
 751                break;
 752        case TDA18271_DIGITAL:
 753                N = freq + bw / 2 + 1000000;
 754                break;
 755        }
 756
 757        tda18271_calc_main_pll(fe, N);
 758
 759        ret = tda18271_write_regs(fe, R_EP3, 11);
 760        if (tda_fail(ret))
 761                return ret;
 762
 763        msleep(5); /* RF tracking filter calibration initialization */
 764
 765        /* search for K,M,CO for RF calibration */
 766        tda18271_calc_km(fe, &freq);
 767        tda18271_write_regs(fe, R_EB13, 1);
 768
 769        /* search for rf band */
 770        tda18271_calc_rf_band(fe, &freq);
 771
 772        /* search for gain taper */
 773        tda18271_calc_gain_taper(fe, &freq);
 774
 775        tda18271_write_regs(fe, R_EP2, 1);
 776        tda18271_write_regs(fe, R_EP1, 1);
 777        tda18271_write_regs(fe, R_EP2, 1);
 778        tda18271_write_regs(fe, R_EP1, 1);
 779
 780        regs[R_EB4]  &= 0x07;
 781        regs[R_EB4]  |= 0x40;
 782        tda18271_write_regs(fe, R_EB4, 1);
 783
 784        regs[R_EB7]   = 0x40;
 785        tda18271_write_regs(fe, R_EB7, 1);
 786        msleep(10); /* pll locking */
 787
 788        regs[R_EB20]  = 0xec;
 789        tda18271_write_regs(fe, R_EB20, 1);
 790        msleep(60); /* RF tracking filter calibration completion */
 791
 792        regs[R_EP4]  &= ~0x03; /* set cal mode to normal */
 793        tda18271_write_regs(fe, R_EP4, 1);
 794
 795        tda18271_write_regs(fe, R_EP1, 1);
 796
 797        /* RF tracking filter correction for VHF_Low band */
 798        if (0 == tda18271_calc_rf_cal(fe, &freq))
 799                tda18271_write_regs(fe, R_EB14, 1);
 800
 801        return 0;
 802}
 803
 804/* ------------------------------------------------------------------ */
 805
 806static int tda18271_ir_cal_init(struct dvb_frontend *fe)
 807{
 808        struct tda18271_priv *priv = fe->tuner_priv;
 809        unsigned char *regs = priv->tda18271_regs;
 810        int ret;
 811
 812        ret = tda18271_read_regs(fe);
 813        if (tda_fail(ret))
 814                goto fail;
 815
 816        /* test IR_CAL_OK to see if we need init */
 817        if ((regs[R_EP1] & 0x08) == 0)
 818                ret = tda18271_init_regs(fe);
 819fail:
 820        return ret;
 821}
 822
 823static int tda18271_init(struct dvb_frontend *fe)
 824{
 825        struct tda18271_priv *priv = fe->tuner_priv;
 826        int ret;
 827
 828        mutex_lock(&priv->lock);
 829
 830        /* full power up */
 831        ret = tda18271_set_standby_mode(fe, 0, 0, 0);
 832        if (tda_fail(ret))
 833                goto fail;
 834
 835        /* initialization */
 836        ret = tda18271_ir_cal_init(fe);
 837        if (tda_fail(ret))
 838                goto fail;
 839
 840        if (priv->id == TDA18271HDC2)
 841                tda18271c2_rf_cal_init(fe);
 842fail:
 843        mutex_unlock(&priv->lock);
 844
 845        return ret;
 846}
 847
 848static int tda18271_sleep(struct dvb_frontend *fe)
 849{
 850        struct tda18271_priv *priv = fe->tuner_priv;
 851        int ret;
 852
 853        mutex_lock(&priv->lock);
 854
 855        /* enter standby mode, with required output features enabled */
 856        ret = tda18271_toggle_output(fe, 1);
 857
 858        mutex_unlock(&priv->lock);
 859
 860        return ret;
 861}
 862
 863/* ------------------------------------------------------------------ */
 864
 865static int tda18271_agc(struct dvb_frontend *fe)
 866{
 867        struct tda18271_priv *priv = fe->tuner_priv;
 868        int ret = 0;
 869
 870        switch (priv->config) {
 871        case TDA8290_LNA_OFF:
 872                /* no external agc configuration required */
 873                if (tda18271_debug & DBG_ADV)
 874                        tda_dbg("no agc configuration provided\n");
 875                break;
 876        case TDA8290_LNA_ON_BRIDGE:
 877                /* switch with GPIO of saa713x */
 878                tda_dbg("invoking callback\n");
 879                if (fe->callback)
 880                        ret = fe->callback(priv->i2c_props.adap->algo_data,
 881                                           DVB_FRONTEND_COMPONENT_TUNER,
 882                                           TDA18271_CALLBACK_CMD_AGC_ENABLE,
 883                                           priv->mode);
 884                break;
 885        case TDA8290_LNA_GP0_HIGH_ON:
 886        case TDA8290_LNA_GP0_HIGH_OFF:
 887        default:
 888                /* n/a - currently not supported */
 889                tda_err("unsupported configuration: %d\n", priv->config);
 890                ret = -EINVAL;
 891                break;
 892        }
 893        return ret;
 894}
 895
 896static int tda18271_tune(struct dvb_frontend *fe,
 897                         struct tda18271_std_map_item *map, u32 freq, u32 bw)
 898{
 899        struct tda18271_priv *priv = fe->tuner_priv;
 900        int ret;
 901
 902        tda_dbg("freq = %d, ifc = %d, bw = %d, agc_mode = %d, std = %d\n",
 903                freq, map->if_freq, bw, map->agc_mode, map->std);
 904
 905        ret = tda18271_agc(fe);
 906        if (tda_fail(ret))
 907                tda_warn("failed to configure agc\n");
 908
 909        ret = tda18271_init(fe);
 910        if (tda_fail(ret))
 911                goto fail;
 912
 913        mutex_lock(&priv->lock);
 914
 915        switch (priv->id) {
 916        case TDA18271HDC1:
 917                tda18271c1_rf_tracking_filter_calibration(fe, freq, bw);
 918                break;
 919        case TDA18271HDC2:
 920                tda18271c2_rf_tracking_filters_correction(fe, freq);
 921                break;
 922        }
 923        ret = tda18271_channel_configuration(fe, map, freq, bw);
 924
 925        mutex_unlock(&priv->lock);
 926fail:
 927        return ret;
 928}
 929
 930/* ------------------------------------------------------------------ */
 931
 932static int tda18271_set_params(struct dvb_frontend *fe)
 933{
 934        struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 935        u32 delsys = c->delivery_system;
 936        u32 bw = c->bandwidth_hz;
 937        u32 freq = c->frequency;
 938        struct tda18271_priv *priv = fe->tuner_priv;
 939        struct tda18271_std_map *std_map = &priv->std;
 940        struct tda18271_std_map_item *map;
 941        int ret;
 942
 943        priv->mode = TDA18271_DIGITAL;
 944
 945        switch (delsys) {
 946        case SYS_ATSC:
 947                map = &std_map->atsc_6;
 948                bw = 6000000;
 949                break;
 950        case SYS_ISDBT:
 951        case SYS_DVBT:
 952        case SYS_DVBT2:
 953                if (bw <= 6000000) {
 954                        map = &std_map->dvbt_6;
 955                } else if (bw <= 7000000) {
 956                        map = &std_map->dvbt_7;
 957                } else {
 958                        map = &std_map->dvbt_8;
 959                }
 960                break;
 961        case SYS_DVBC_ANNEX_B:
 962                bw = 6000000;
 963                /* fall through */
 964        case SYS_DVBC_ANNEX_A:
 965        case SYS_DVBC_ANNEX_C:
 966                if (bw <= 6000000) {
 967                        map = &std_map->qam_6;
 968                } else if (bw <= 7000000) {
 969                        map = &std_map->qam_7;
 970                } else {
 971                        map = &std_map->qam_8;
 972                }
 973                break;
 974        default:
 975                tda_warn("modulation type not supported!\n");
 976                return -EINVAL;
 977        }
 978
 979        /* When tuning digital, the analog demod must be tri-stated */
 980        if (fe->ops.analog_ops.standby)
 981                fe->ops.analog_ops.standby(fe);
 982
 983        ret = tda18271_tune(fe, map, freq, bw);
 984
 985        if (tda_fail(ret))
 986                goto fail;
 987
 988        priv->if_freq   = map->if_freq;
 989        priv->frequency = freq;
 990        priv->bandwidth = bw;
 991fail:
 992        return ret;
 993}
 994
 995static int tda18271_set_analog_params(struct dvb_frontend *fe,
 996                                      struct analog_parameters *params)
 997{
 998        struct tda18271_priv *priv = fe->tuner_priv;
 999        struct tda18271_std_map *std_map = &priv->std;
1000        struct tda18271_std_map_item *map;
1001        char *mode;
1002        int ret;
1003        u32 freq = params->frequency * 125 *
1004                ((params->mode == V4L2_TUNER_RADIO) ? 1 : 1000) / 2;
1005
1006        priv->mode = TDA18271_ANALOG;
1007
1008        if (params->mode == V4L2_TUNER_RADIO) {
1009                map = &std_map->fm_radio;
1010                mode = "fm";
1011        } else if (params->std & V4L2_STD_MN) {
1012                map = &std_map->atv_mn;
1013                mode = "MN";
1014        } else if (params->std & V4L2_STD_B) {
1015                map = &std_map->atv_b;
1016                mode = "B";
1017        } else if (params->std & V4L2_STD_GH) {
1018                map = &std_map->atv_gh;
1019                mode = "GH";
1020        } else if (params->std & V4L2_STD_PAL_I) {
1021                map = &std_map->atv_i;
1022                mode = "I";
1023        } else if (params->std & V4L2_STD_DK) {
1024                map = &std_map->atv_dk;
1025                mode = "DK";
1026        } else if (params->std & V4L2_STD_SECAM_L) {
1027                map = &std_map->atv_l;
1028                mode = "L";
1029        } else if (params->std & V4L2_STD_SECAM_LC) {
1030                map = &std_map->atv_lc;
1031                mode = "L'";
1032        } else {
1033                map = &std_map->atv_i;
1034                mode = "xx";
1035        }
1036
1037        tda_dbg("setting tda18271 to system %s\n", mode);
1038
1039        ret = tda18271_tune(fe, map, freq, 0);
1040
1041        if (tda_fail(ret))
1042                goto fail;
1043
1044        priv->if_freq   = map->if_freq;
1045        priv->frequency = freq;
1046        priv->bandwidth = 0;
1047fail:
1048        return ret;
1049}
1050
1051static void tda18271_release(struct dvb_frontend *fe)
1052{
1053        struct tda18271_priv *priv = fe->tuner_priv;
1054
1055        mutex_lock(&tda18271_list_mutex);
1056
1057        if (priv)
1058                hybrid_tuner_release_state(priv);
1059
1060        mutex_unlock(&tda18271_list_mutex);
1061
1062        fe->tuner_priv = NULL;
1063}
1064
1065static int tda18271_get_frequency(struct dvb_frontend *fe, u32 *frequency)
1066{
1067        struct tda18271_priv *priv = fe->tuner_priv;
1068        *frequency = priv->frequency;
1069        return 0;
1070}
1071
1072static int tda18271_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
1073{
1074        struct tda18271_priv *priv = fe->tuner_priv;
1075        *bandwidth = priv->bandwidth;
1076        return 0;
1077}
1078
1079static int tda18271_get_if_frequency(struct dvb_frontend *fe, u32 *frequency)
1080{
1081        struct tda18271_priv *priv = fe->tuner_priv;
1082        *frequency = (u32)priv->if_freq * 1000;
1083        return 0;
1084}
1085
1086/* ------------------------------------------------------------------ */
1087
1088#define tda18271_update_std(std_cfg, name) do {                         \
1089        if (map->std_cfg.if_freq +                                      \
1090                map->std_cfg.agc_mode + map->std_cfg.std +              \
1091                map->std_cfg.if_lvl + map->std_cfg.rfagc_top > 0) {     \
1092                tda_dbg("Using custom std config for %s\n", name);      \
1093                memcpy(&std->std_cfg, &map->std_cfg,                    \
1094                        sizeof(struct tda18271_std_map_item));          \
1095        } } while (0)
1096
1097#define tda18271_dump_std_item(std_cfg, name) do {                      \
1098        tda_dbg("(%s) if_freq = %d, agc_mode = %d, std = %d, "          \
1099                "if_lvl = %d, rfagc_top = 0x%02x\n",                    \
1100                name, std->std_cfg.if_freq,                             \
1101                std->std_cfg.agc_mode, std->std_cfg.std,                \
1102                std->std_cfg.if_lvl, std->std_cfg.rfagc_top);           \
1103        } while (0)
1104
1105static int tda18271_dump_std_map(struct dvb_frontend *fe)
1106{
1107        struct tda18271_priv *priv = fe->tuner_priv;
1108        struct tda18271_std_map *std = &priv->std;
1109
1110        tda_dbg("========== STANDARD MAP SETTINGS ==========\n");
1111        tda18271_dump_std_item(fm_radio, "  fm  ");
1112        tda18271_dump_std_item(atv_b,  "atv b ");
1113        tda18271_dump_std_item(atv_dk, "atv dk");
1114        tda18271_dump_std_item(atv_gh, "atv gh");
1115        tda18271_dump_std_item(atv_i,  "atv i ");
1116        tda18271_dump_std_item(atv_l,  "atv l ");
1117        tda18271_dump_std_item(atv_lc, "atv l'");
1118        tda18271_dump_std_item(atv_mn, "atv mn");
1119        tda18271_dump_std_item(atsc_6, "atsc 6");
1120        tda18271_dump_std_item(dvbt_6, "dvbt 6");
1121        tda18271_dump_std_item(dvbt_7, "dvbt 7");
1122        tda18271_dump_std_item(dvbt_8, "dvbt 8");
1123        tda18271_dump_std_item(qam_6,  "qam 6 ");
1124        tda18271_dump_std_item(qam_7,  "qam 7 ");
1125        tda18271_dump_std_item(qam_8,  "qam 8 ");
1126
1127        return 0;
1128}
1129
1130static int tda18271_update_std_map(struct dvb_frontend *fe,
1131                                   struct tda18271_std_map *map)
1132{
1133        struct tda18271_priv *priv = fe->tuner_priv;
1134        struct tda18271_std_map *std = &priv->std;
1135
1136        if (!map)
1137                return -EINVAL;
1138
1139        tda18271_update_std(fm_radio, "fm");
1140        tda18271_update_std(atv_b,  "atv b");
1141        tda18271_update_std(atv_dk, "atv dk");
1142        tda18271_update_std(atv_gh, "atv gh");
1143        tda18271_update_std(atv_i,  "atv i");
1144        tda18271_update_std(atv_l,  "atv l");
1145        tda18271_update_std(atv_lc, "atv l'");
1146        tda18271_update_std(atv_mn, "atv mn");
1147        tda18271_update_std(atsc_6, "atsc 6");
1148        tda18271_update_std(dvbt_6, "dvbt 6");
1149        tda18271_update_std(dvbt_7, "dvbt 7");
1150        tda18271_update_std(dvbt_8, "dvbt 8");
1151        tda18271_update_std(qam_6,  "qam 6");
1152        tda18271_update_std(qam_7,  "qam 7");
1153        tda18271_update_std(qam_8,  "qam 8");
1154
1155        return 0;
1156}
1157
1158static int tda18271_get_id(struct dvb_frontend *fe)
1159{
1160        struct tda18271_priv *priv = fe->tuner_priv;
1161        unsigned char *regs = priv->tda18271_regs;
1162        char *name;
1163        int ret;
1164
1165        mutex_lock(&priv->lock);
1166        ret = tda18271_read_regs(fe);
1167        mutex_unlock(&priv->lock);
1168
1169        if (ret) {
1170                tda_info("Error reading device ID @ %d-%04x, bailing out.\n",
1171                         i2c_adapter_id(priv->i2c_props.adap),
1172                         priv->i2c_props.addr);
1173                return -EIO;
1174        }
1175
1176        switch (regs[R_ID] & 0x7f) {
1177        case 3:
1178                name = "TDA18271HD/C1";
1179                priv->id = TDA18271HDC1;
1180                break;
1181        case 4:
1182                name = "TDA18271HD/C2";
1183                priv->id = TDA18271HDC2;
1184                break;
1185        default:
1186                tda_info("Unknown device (%i) detected @ %d-%04x, device not supported.\n",
1187                         regs[R_ID], i2c_adapter_id(priv->i2c_props.adap),
1188                         priv->i2c_props.addr);
1189                return -EINVAL;
1190        }
1191
1192        tda_info("%s detected @ %d-%04x\n", name,
1193                 i2c_adapter_id(priv->i2c_props.adap), priv->i2c_props.addr);
1194
1195        return 0;
1196}
1197
1198static int tda18271_setup_configuration(struct dvb_frontend *fe,
1199                                        struct tda18271_config *cfg)
1200{
1201        struct tda18271_priv *priv = fe->tuner_priv;
1202
1203        priv->gate = (cfg) ? cfg->gate : TDA18271_GATE_AUTO;
1204        priv->role = (cfg) ? cfg->role : TDA18271_MASTER;
1205        priv->config = (cfg) ? cfg->config : 0;
1206        priv->small_i2c = (cfg) ?
1207                cfg->small_i2c : TDA18271_39_BYTE_CHUNK_INIT;
1208        priv->output_opt = (cfg) ?
1209                cfg->output_opt : TDA18271_OUTPUT_LT_XT_ON;
1210
1211        return 0;
1212}
1213
1214static inline int tda18271_need_cal_on_startup(struct tda18271_config *cfg)
1215{
1216        /* tda18271_cal_on_startup == -1 when cal module option is unset */
1217        return ((tda18271_cal_on_startup == -1) ?
1218                /* honor configuration setting */
1219                ((cfg) && (cfg->rf_cal_on_startup)) :
1220                /* module option overrides configuration setting */
1221                (tda18271_cal_on_startup)) ? 1 : 0;
1222}
1223
1224static int tda18271_set_config(struct dvb_frontend *fe, void *priv_cfg)
1225{
1226        struct tda18271_config *cfg = (struct tda18271_config *) priv_cfg;
1227
1228        tda18271_setup_configuration(fe, cfg);
1229
1230        if (tda18271_need_cal_on_startup(cfg))
1231                tda18271_init(fe);
1232
1233        /* override default std map with values in config struct */
1234        if ((cfg) && (cfg->std_map))
1235                tda18271_update_std_map(fe, cfg->std_map);
1236
1237        return 0;
1238}
1239
1240static const struct dvb_tuner_ops tda18271_tuner_ops = {
1241        .info = {
1242                .name = "NXP TDA18271HD",
1243                .frequency_min  =  45000000,
1244                .frequency_max  = 864000000,
1245                .frequency_step =     62500
1246        },
1247        .init              = tda18271_init,
1248        .sleep             = tda18271_sleep,
1249        .set_params        = tda18271_set_params,
1250        .set_analog_params = tda18271_set_analog_params,
1251        .release           = tda18271_release,
1252        .set_config        = tda18271_set_config,
1253        .get_frequency     = tda18271_get_frequency,
1254        .get_bandwidth     = tda18271_get_bandwidth,
1255        .get_if_frequency  = tda18271_get_if_frequency,
1256};
1257
1258struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
1259                                     struct i2c_adapter *i2c,
1260                                     struct tda18271_config *cfg)
1261{
1262        struct tda18271_priv *priv = NULL;
1263        int instance, ret;
1264
1265        mutex_lock(&tda18271_list_mutex);
1266
1267        instance = hybrid_tuner_request_state(struct tda18271_priv, priv,
1268                                              hybrid_tuner_instance_list,
1269                                              i2c, addr, "tda18271");
1270        switch (instance) {
1271        case 0:
1272                goto fail;
1273        case 1:
1274                /* new tuner instance */
1275                fe->tuner_priv = priv;
1276
1277                tda18271_setup_configuration(fe, cfg);
1278
1279                priv->cal_initialized = false;
1280                mutex_init(&priv->lock);
1281
1282                ret = tda18271_get_id(fe);
1283                if (tda_fail(ret))
1284                        goto fail;
1285
1286                ret = tda18271_assign_map_layout(fe);
1287                if (tda_fail(ret))
1288                        goto fail;
1289
1290                /* if delay_cal is set, delay IR & RF calibration until init()
1291                 * module option 'cal' overrides this delay */
1292                if ((cfg->delay_cal) && (!tda18271_need_cal_on_startup(cfg)))
1293                        break;
1294
1295                mutex_lock(&priv->lock);
1296                tda18271_init_regs(fe);
1297
1298                if ((tda18271_need_cal_on_startup(cfg)) &&
1299                    (priv->id == TDA18271HDC2))
1300                        tda18271c2_rf_cal_init(fe);
1301
1302                /* enter standby mode, with required output features enabled */
1303                ret = tda18271_toggle_output(fe, 1);
1304                tda_fail(ret);
1305
1306                mutex_unlock(&priv->lock);
1307                break;
1308        default:
1309                /* existing tuner instance */
1310                fe->tuner_priv = priv;
1311
1312                /* allow dvb driver to override configuration settings */
1313                if (cfg) {
1314                        if (cfg->gate != TDA18271_GATE_ANALOG)
1315                                priv->gate = cfg->gate;
1316                        if (cfg->role)
1317                                priv->role = cfg->role;
1318                        if (cfg->config)
1319                                priv->config = cfg->config;
1320                        if (cfg->small_i2c)
1321                                priv->small_i2c = cfg->small_i2c;
1322                        if (cfg->output_opt)
1323                                priv->output_opt = cfg->output_opt;
1324                        if (cfg->std_map)
1325                                tda18271_update_std_map(fe, cfg->std_map);
1326                }
1327                if (tda18271_need_cal_on_startup(cfg))
1328                        tda18271_init(fe);
1329                break;
1330        }
1331
1332        /* override default std map with values in config struct */
1333        if ((cfg) && (cfg->std_map))
1334                tda18271_update_std_map(fe, cfg->std_map);
1335
1336        mutex_unlock(&tda18271_list_mutex);
1337
1338        memcpy(&fe->ops.tuner_ops, &tda18271_tuner_ops,
1339               sizeof(struct dvb_tuner_ops));
1340
1341        if (tda18271_debug & (DBG_MAP | DBG_ADV))
1342                tda18271_dump_std_map(fe);
1343
1344        return fe;
1345fail:
1346        mutex_unlock(&tda18271_list_mutex);
1347
1348        tda18271_release(fe);
1349        return NULL;
1350}
1351EXPORT_SYMBOL_GPL(tda18271_attach);
1352MODULE_DESCRIPTION("NXP TDA18271HD analog / digital tuner driver");
1353MODULE_AUTHOR("Michael Krufky <mkrufky@linuxtv.org>");
1354MODULE_LICENSE("GPL");
1355MODULE_VERSION("0.4");
1356