drivers/media/dvb-frontends/tda10071.c

   1 /*
   2  * NXP TDA10071 + Conexant CX24118A DVB-S/S2 demodulator + tuner driver
   3  *
   4  * Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
   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 along
  17  *    with this program; if not, write to the Free Software Foundation, Inc.,
  18  *    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21 #include "tda10071_priv.h"
  22
  23 static struct dvb_frontend_ops tda10071_ops;
  24
  25 /*
  26  * XXX: regmap_update_bits() does not fit our needs as it does not support
  27  * partially volatile registers. Also it performs register read even mask is as
  28  * wide as register value.
  29  */
  30 /* write single register with mask */
  31 static int tda10071_wr_reg_mask(struct tda10071_dev *dev,
  32                                 u8 reg, u8 val, u8 mask)
  33 {
  34         int ret;
  35         u8 tmp;
  36
  37         /* no need for read if whole reg is written */
  38         if (mask != 0xff) {
  39                 ret = regmap_bulk_read(dev->regmap, reg, &tmp, 1);
  40                 if (ret)
  41                         return ret;
  42
  43                 val &= mask;
  44                 tmp &= ~mask;
  45                 val |= tmp;
  46         }
  47
  48         return regmap_bulk_write(dev->regmap, reg, &val, 1);
  49 }
  50
  51 /* execute firmware command */
  52 static int tda10071_cmd_execute(struct tda10071_dev *dev,
  53         struct tda10071_cmd *cmd)
  54 {
  55         struct i2c_client *client = dev->client;
  56         int ret, i;
  57         unsigned int uitmp;
  58
  59         if (!dev->warm) {
  60                 ret = -EFAULT;
  61                 goto error;
  62         }
  63
  64         /* write cmd and args for firmware */
  65         ret = regmap_bulk_write(dev->regmap, 0x00, cmd->args, cmd->len);
  66         if (ret)
  67                 goto error;
  68
  69         /* start cmd execution */
  70         ret = regmap_write(dev->regmap, 0x1f, 1);
  71         if (ret)
  72                 goto error;
  73
  74         /* wait cmd execution terminate */
  75         for (i = 1000, uitmp = 1; i && uitmp; i--) {
  76                 ret = regmap_read(dev->regmap, 0x1f, &uitmp);
  77                 if (ret)
  78                         goto error;
  79
  80                 usleep_range(200, 5000);
  81         }
  82
  83         dev_dbg(&client->dev, "loop=%d\n", i);
  84
  85         if (i == 0) {
  86                 ret = -ETIMEDOUT;
  87                 goto error;
  88         }
  89
  90         return ret;
  91 error:
  92         dev_dbg(&client->dev, "failed=%d\n", ret);
  93         return ret;
  94 }
  95
  96 static int tda10071_set_tone(struct dvb_frontend *fe,
  97         enum fe_sec_tone_mode fe_sec_tone_mode)
  98 {
  99         struct tda10071_dev *dev = fe->demodulator_priv;
 100         struct i2c_client *client = dev->client;
 101         struct tda10071_cmd cmd;
 102         int ret;
 103         u8 tone;
 104
 105         if (!dev->warm) {
 106                 ret = -EFAULT;
 107                 goto error;
 108         }
 109
 110         dev_dbg(&client->dev, "tone_mode=%d\n", fe_sec_tone_mode);
 111
 112         switch (fe_sec_tone_mode) {
 113         case SEC_TONE_ON:
 114                 tone = 1;
 115                 break;
 116         case SEC_TONE_OFF:
 117                 tone = 0;
 118                 break;
 119         default:
 120                 dev_dbg(&client->dev, "invalid fe_sec_tone_mode\n");
 121                 ret = -EINVAL;
 122                 goto error;
 123         }
 124
 125         cmd.args[0] = CMD_LNB_PCB_CONFIG;
 126         cmd.args[1] = 0;
 127         cmd.args[2] = 0x00;
 128         cmd.args[3] = 0x00;
 129         cmd.args[4] = tone;
 130         cmd.len = 5;
 131         ret = tda10071_cmd_execute(dev, &cmd);
 132         if (ret)
 133                 goto error;
 134
 135         return ret;
 136 error:
 137         dev_dbg(&client->dev, "failed=%d\n", ret);
 138         return ret;
 139 }
 140
 141 static int tda10071_set_voltage(struct dvb_frontend *fe,
 142         enum fe_sec_voltage fe_sec_voltage)
 143 {
 144         struct tda10071_dev *dev = fe->demodulator_priv;
 145         struct i2c_client *client = dev->client;
 146         struct tda10071_cmd cmd;
 147         int ret;
 148         u8 voltage;
 149
 150         if (!dev->warm) {
 151                 ret = -EFAULT;
 152                 goto error;
 153         }
 154
 155         dev_dbg(&client->dev, "voltage=%d\n", fe_sec_voltage);
 156
 157         switch (fe_sec_voltage) {
 158         case SEC_VOLTAGE_13:
 159                 voltage = 0;
 160                 break;
 161         case SEC_VOLTAGE_18:
 162                 voltage = 1;
 163                 break;
 164         case SEC_VOLTAGE_OFF:
 165                 voltage = 0;
 166                 break;
 167         default:
 168                 dev_dbg(&client->dev, "invalid fe_sec_voltage\n");
 169                 ret = -EINVAL;
 170                 goto error;
 171         }
 172
 173         cmd.args[0] = CMD_LNB_SET_DC_LEVEL;
 174         cmd.args[1] = 0;
 175         cmd.args[2] = voltage;
 176         cmd.len = 3;
 177         ret = tda10071_cmd_execute(dev, &cmd);
 178         if (ret)
 179                 goto error;
 180
 181         return ret;
 182 error:
 183         dev_dbg(&client->dev, "failed=%d\n", ret);
 184         return ret;
 185 }
 186
 187 static int tda10071_diseqc_send_master_cmd(struct dvb_frontend *fe,
 188         struct dvb_diseqc_master_cmd *diseqc_cmd)
 189 {
 190         struct tda10071_dev *dev = fe->demodulator_priv;
 191         struct i2c_client *client = dev->client;
 192         struct tda10071_cmd cmd;
 193         int ret, i;
 194         unsigned int uitmp;
 195
 196         if (!dev->warm) {
 197                 ret = -EFAULT;
 198                 goto error;
 199         }
 200
 201         dev_dbg(&client->dev, "msg_len=%d\n", diseqc_cmd->msg_len);
 202
 203         if (diseqc_cmd->msg_len < 3 || diseqc_cmd->msg_len > 6) {
 204                 ret = -EINVAL;
 205                 goto error;
 206         }
 207
 208         /* wait LNB TX */
 209         for (i = 500, uitmp = 0; i && !uitmp; i--) {
 210                 ret = regmap_read(dev->regmap, 0x47, &uitmp);
 211                 if (ret)
 212                         goto error;
 213                 uitmp = (uitmp >> 0) & 1;
 214                 usleep_range(10000, 20000);
 215         }
 216
 217         dev_dbg(&client->dev, "loop=%d\n", i);
 218
 219         if (i == 0) {
 220                 ret = -ETIMEDOUT;
 221                 goto error;
 222         }
 223
 224         ret = regmap_update_bits(dev->regmap, 0x47, 0x01, 0x00);
 225         if (ret)
 226                 goto error;
 227
 228         cmd.args[0] = CMD_LNB_SEND_DISEQC;
 229         cmd.args[1] = 0;
 230         cmd.args[2] = 0;
 231         cmd.args[3] = 0;
 232         cmd.args[4] = 2;
 233         cmd.args[5] = 0;
 234         cmd.args[6] = diseqc_cmd->msg_len;
 235         memcpy(&cmd.args[7], diseqc_cmd->msg, diseqc_cmd->msg_len);
 236         cmd.len = 7 + diseqc_cmd->msg_len;
 237         ret = tda10071_cmd_execute(dev, &cmd);
 238         if (ret)
 239                 goto error;
 240
 241         return ret;
 242 error:
 243         dev_dbg(&client->dev, "failed=%d\n", ret);
 244         return ret;
 245 }
 246
 247 static int tda10071_diseqc_recv_slave_reply(struct dvb_frontend *fe,
 248         struct dvb_diseqc_slave_reply *reply)
 249 {
 250         struct tda10071_dev *dev = fe->demodulator_priv;
 251         struct i2c_client *client = dev->client;
 252         struct tda10071_cmd cmd;
 253         int ret, i;
 254         unsigned int uitmp;
 255
 256         if (!dev->warm) {
 257                 ret = -EFAULT;
 258                 goto error;
 259         }
 260
 261         dev_dbg(&client->dev, "\n");
 262
 263         /* wait LNB RX */
 264         for (i = 500, uitmp = 0; i && !uitmp; i--) {
 265                 ret = regmap_read(dev->regmap, 0x47, &uitmp);
 266                 if (ret)
 267                         goto error;
 268                 uitmp = (uitmp >> 1) & 1;
 269                 usleep_range(10000, 20000);
 270         }
 271
 272         dev_dbg(&client->dev, "loop=%d\n", i);
 273
 274         if (i == 0) {
 275                 ret = -ETIMEDOUT;
 276                 goto error;
 277         }
 278
 279         /* reply len */
 280         ret = regmap_read(dev->regmap, 0x46, &uitmp);
 281         if (ret)
 282                 goto error;
 283
 284         reply->msg_len = uitmp & 0x1f; /* [4:0] */
 285         if (reply->msg_len > sizeof(reply->msg))
 286                 reply->msg_len = sizeof(reply->msg); /* truncate API max */
 287
 288         /* read reply */
 289         cmd.args[0] = CMD_LNB_UPDATE_REPLY;
 290         cmd.args[1] = 0;
 291         cmd.len = 2;
 292         ret = tda10071_cmd_execute(dev, &cmd);
 293         if (ret)
 294                 goto error;
 295
 296         ret = regmap_bulk_read(dev->regmap, cmd.len, reply->msg,
 297                                reply->msg_len);
 298         if (ret)
 299                 goto error;
 300
 301         return ret;
 302 error:
 303         dev_dbg(&client->dev, "failed=%d\n", ret);
 304         return ret;
 305 }
 306
 307 static int tda10071_diseqc_send_burst(struct dvb_frontend *fe,
 308         enum fe_sec_mini_cmd fe_sec_mini_cmd)
 309 {
 310         struct tda10071_dev *dev = fe->demodulator_priv;
 311         struct i2c_client *client = dev->client;
 312         struct tda10071_cmd cmd;
 313         int ret, i;
 314         unsigned int uitmp;
 315         u8 burst;
 316
 317         if (!dev->warm) {
 318                 ret = -EFAULT;
 319                 goto error;
 320         }
 321
 322         dev_dbg(&client->dev, "fe_sec_mini_cmd=%d\n", fe_sec_mini_cmd);
 323
 324         switch (fe_sec_mini_cmd) {
 325         case SEC_MINI_A:
 326                 burst = 0;
 327                 break;
 328         case SEC_MINI_B:
 329                 burst = 1;
 330                 break;
 331         default:
 332                 dev_dbg(&client->dev, "invalid fe_sec_mini_cmd\n");
 333                 ret = -EINVAL;
 334                 goto error;
 335         }
 336
 337         /* wait LNB TX */
 338         for (i = 500, uitmp = 0; i && !uitmp; i--) {
 339                 ret = regmap_read(dev->regmap, 0x47, &uitmp);
 340                 if (ret)
 341                         goto error;
 342                 uitmp = (uitmp >> 0) & 1;
 343                 usleep_range(10000, 20000);
 344         }
 345
 346         dev_dbg(&client->dev, "loop=%d\n", i);
 347
 348         if (i == 0) {
 349                 ret = -ETIMEDOUT;
 350                 goto error;
 351         }
 352
 353         ret = regmap_update_bits(dev->regmap, 0x47, 0x01, 0x00);
 354         if (ret)
 355                 goto error;
 356
 357         cmd.args[0] = CMD_LNB_SEND_TONEBURST;
 358         cmd.args[1] = 0;
 359         cmd.args[2] = burst;
 360         cmd.len = 3;
 361         ret = tda10071_cmd_execute(dev, &cmd);
 362         if (ret)
 363                 goto error;
 364
 365         return ret;
 366 error:
 367         dev_dbg(&client->dev, "failed=%d\n", ret);
 368         return ret;
 369 }
 370
 371 static int tda10071_read_status(struct dvb_frontend *fe, enum fe_status *status)
 372 {
 373         struct tda10071_dev *dev = fe->demodulator_priv;
 374         struct i2c_client *client = dev->client;
 375         int ret;
 376         unsigned int uitmp;
 377
 378         *status = 0;
 379
 380         if (!dev->warm) {
 381                 ret = 0;
 382                 goto error;
 383         }
 384
 385         ret = regmap_read(dev->regmap, 0x39, &uitmp);
 386         if (ret)
 387                 goto error;
 388
 389         /* 0x39[0] tuner PLL */
 390         if (uitmp & 0x02) /* demod PLL */
 391                 *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER;
 392         if (uitmp & 0x04) /* viterbi or LDPC*/
 393                 *status |= FE_HAS_VITERBI;
 394         if (uitmp & 0x08) /* RS or BCH */
 395                 *status |= FE_HAS_SYNC | FE_HAS_LOCK;
 396
 397         dev->fe_status = *status;
 398
 399         return ret;
 400 error:
 401         dev_dbg(&client->dev, "failed=%d\n", ret);
 402         return ret;
 403 }
 404
 405 static int tda10071_read_snr(struct dvb_frontend *fe, u16 *snr)
 406 {
 407         struct tda10071_dev *dev = fe->demodulator_priv;
 408         struct i2c_client *client = dev->client;
 409         int ret;
 410         u8 buf[2];
 411
 412         if (!dev->warm || !(dev->fe_status & FE_HAS_LOCK)) {
 413                 *snr = 0;
 414                 ret = 0;
 415                 goto error;
 416         }
 417
 418         ret = regmap_bulk_read(dev->regmap, 0x3a, buf, 2);
 419         if (ret)
 420                 goto error;
 421
 422         /* Es/No dBx10 */
 423         *snr = buf[0] << 8 | buf[1];
 424
 425         return ret;
 426 error:
 427         dev_dbg(&client->dev, "failed=%d\n", ret);
 428         return ret;
 429 }
 430
 431 static int tda10071_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
 432 {
 433         struct tda10071_dev *dev = fe->demodulator_priv;
 434         struct i2c_client *client = dev->client;
 435         struct tda10071_cmd cmd;
 436         int ret;
 437         unsigned int uitmp;
 438
 439         if (!dev->warm || !(dev->fe_status & FE_HAS_LOCK)) {
 440                 *strength = 0;
 441                 ret = 0;
 442                 goto error;
 443         }
 444
 445         cmd.args[0] = CMD_GET_AGCACC;
 446         cmd.args[1] = 0;
 447         cmd.len = 2;
 448         ret = tda10071_cmd_execute(dev, &cmd);
 449         if (ret)
 450                 goto error;
 451
 452         /* input power estimate dBm */
 453         ret = regmap_read(dev->regmap, 0x50, &uitmp);
 454         if (ret)
 455                 goto error;
 456
 457         if (uitmp < 181)
 458                 uitmp = 181; /* -75 dBm */
 459         else if (uitmp > 236)
 460                 uitmp = 236; /* -20 dBm */
 461
 462         /* scale value to 0x0000-0xffff */
 463         *strength = (uitmp-181) * 0xffff / (236-181);
 464
 465         return ret;
 466 error:
 467         dev_dbg(&client->dev, "failed=%d\n", ret);
 468         return ret;
 469 }
 470
 471 static int tda10071_read_ber(struct dvb_frontend *fe, u32 *ber)
 472 {
 473         struct tda10071_dev *dev = fe->demodulator_priv;
 474         struct i2c_client *client = dev->client;
 475         struct tda10071_cmd cmd;
 476         int ret, i, len;
 477         unsigned int uitmp;
 478         u8 reg, buf[8];
 479
 480         if (!dev->warm || !(dev->fe_status & FE_HAS_LOCK)) {
 481                 *ber = dev->ber = 0;
 482                 ret = 0;
 483                 goto error;
 484         }
 485
 486         switch (dev->delivery_system) {
 487         case SYS_DVBS:
 488                 reg = 0x4c;
 489                 len = 8;
 490                 i = 1;
 491                 break;
 492         case SYS_DVBS2:
 493                 reg = 0x4d;
 494                 len = 4;
 495                 i = 0;
 496                 break;
 497         default:
 498                 *ber = dev->ber = 0;
 499                 return 0;
 500         }
 501
 502         ret = regmap_read(dev->regmap, reg, &uitmp);
 503         if (ret)
 504                 goto error;
 505
 506         if (dev->meas_count[i] == uitmp) {
 507                 dev_dbg(&client->dev, "meas not ready=%02x\n", uitmp);
 508                 *ber = dev->ber;
 509                 return 0;
 510         } else {
 511                 dev->meas_count[i] = uitmp;
 512         }
 513
 514         cmd.args[0] = CMD_BER_UPDATE_COUNTERS;
 515         cmd.args[1] = 0;
 516         cmd.args[2] = i;
 517         cmd.len = 3;
 518         ret = tda10071_cmd_execute(dev, &cmd);
 519         if (ret)
 520                 goto error;
 521
 522         ret = regmap_bulk_read(dev->regmap, cmd.len, buf, len);
 523         if (ret)
 524                 goto error;
 525
 526         if (dev->delivery_system == SYS_DVBS) {
 527                 *ber = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];
 528                 dev->ucb += (buf[4] << 8) | buf[5];
 529         } else {
 530                 *ber = (buf[0] << 8) | buf[1];
 531         }
 532         dev->ber = *ber;
 533
 534         return ret;
 535 error:
 536         dev_dbg(&client->dev, "failed=%d\n", ret);
 537         return ret;
 538 }
 539
 540 static int tda10071_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
 541 {
 542         struct tda10071_dev *dev = fe->demodulator_priv;
 543         struct i2c_client *client = dev->client;
 544         int ret = 0;
 545
 546         if (!dev->warm || !(dev->fe_status & FE_HAS_LOCK)) {
 547                 *ucblocks = 0;
 548                 goto error;
 549         }
 550
 551         /* UCB is updated when BER is read. Assume BER is read anyway. */
 552
 553         *ucblocks = dev->ucb;
 554
 555         return ret;
 556 error:
 557         dev_dbg(&client->dev, "failed=%d\n", ret);
 558         return ret;
 559 }
 560
 561 static int tda10071_set_frontend(struct dvb_frontend *fe)
 562 {
 563         struct tda10071_dev *dev = fe->demodulator_priv;
 564         struct i2c_client *client = dev->client;
 565         struct tda10071_cmd cmd;
 566         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 567         int ret, i;
 568         u8 mode, rolloff, pilot, inversion, div;
 569         enum fe_modulation modulation;
 570
 571         dev_dbg(&client->dev,
 572                 "delivery_system=%d modulation=%d frequency=%u symbol_rate=%d inversion=%d pilot=%d rolloff=%d\n",
 573                 c->delivery_system, c->modulation, c->frequency, c->symbol_rate,
 574                 c->inversion, c->pilot, c->rolloff);
 575
 576         dev->delivery_system = SYS_UNDEFINED;
 577
 578         if (!dev->warm) {
 579                 ret = -EFAULT;
 580                 goto error;
 581         }
 582
 583         switch (c->inversion) {
 584         case INVERSION_OFF:
 585                 inversion = 1;
 586                 break;
 587         case INVERSION_ON:
 588                 inversion = 0;
 589                 break;
 590         case INVERSION_AUTO:
 591                 /* 2 = auto; try first on then off
 592                  * 3 = auto; try first off then on */
 593                 inversion = 3;
 594                 break;
 595         default:
 596                 dev_dbg(&client->dev, "invalid inversion\n");
 597                 ret = -EINVAL;
 598                 goto error;
 599         }
 600
 601         switch (c->delivery_system) {
 602         case SYS_DVBS:
 603                 modulation = QPSK;
 604                 rolloff = 0;
 605                 pilot = 2;
 606                 break;
 607         case SYS_DVBS2:
 608                 modulation = c->modulation;
 609
 610                 switch (c->rolloff) {
 611                 case ROLLOFF_20:
 612                         rolloff = 2;
 613                         break;
 614                 case ROLLOFF_25:
 615                         rolloff = 1;
 616                         break;
 617                 case ROLLOFF_35:
 618                         rolloff = 0;
 619                         break;
 620                 case ROLLOFF_AUTO:
 621                 default:
 622                         dev_dbg(&client->dev, "invalid rolloff\n");
 623                         ret = -EINVAL;
 624                         goto error;
 625                 }
 626
 627                 switch (c->pilot) {
 628                 case PILOT_OFF:
 629                         pilot = 0;
 630                         break;
 631                 case PILOT_ON:
 632                         pilot = 1;
 633                         break;
 634                 case PILOT_AUTO:
 635                         pilot = 2;
 636                         break;
 637                 default:
 638                         dev_dbg(&client->dev, "invalid pilot\n");
 639                         ret = -EINVAL;
 640                         goto error;
 641                 }
 642                 break;
 643         default:
 644                 dev_dbg(&client->dev, "invalid delivery_system\n");
 645                 ret = -EINVAL;
 646                 goto error;
 647         }
 648
 649         for (i = 0, mode = 0xff; i < ARRAY_SIZE(TDA10071_MODCOD); i++) {
 650                 if (c->delivery_system == TDA10071_MODCOD[i].delivery_system &&
 651                         modulation == TDA10071_MODCOD[i].modulation &&
 652                         c->fec_inner == TDA10071_MODCOD[i].fec) {
 653                         mode = TDA10071_MODCOD[i].val;
 654                         dev_dbg(&client->dev, "mode found=%02x\n", mode);
 655                         break;
 656                 }
 657         }
 658
 659         if (mode == 0xff) {
 660                 dev_dbg(&client->dev, "invalid parameter combination\n");
 661                 ret = -EINVAL;
 662                 goto error;
 663         }
 664
 665         if (c->symbol_rate <= 5000000)
 666                 div = 14;
 667         else
 668                 div = 4;
 669
 670         ret = regmap_write(dev->regmap, 0x81, div);
 671         if (ret)
 672                 goto error;
 673
 674         ret = regmap_write(dev->regmap, 0xe3, div);
 675         if (ret)
 676                 goto error;
 677
 678         cmd.args[0] = CMD_CHANGE_CHANNEL;
 679         cmd.args[1] = 0;
 680         cmd.args[2] = mode;
 681         cmd.args[3] = (c->frequency >> 16) & 0xff;
 682         cmd.args[4] = (c->frequency >>  8) & 0xff;
 683         cmd.args[5] = (c->frequency >>  0) & 0xff;
 684         cmd.args[6] = ((c->symbol_rate / 1000) >> 8) & 0xff;
 685         cmd.args[7] = ((c->symbol_rate / 1000) >> 0) & 0xff;
 686         cmd.args[8] = (tda10071_ops.info.frequency_tolerance >> 8) & 0xff;
 687         cmd.args[9] = (tda10071_ops.info.frequency_tolerance >> 0) & 0xff;
 688         cmd.args[10] = rolloff;
 689         cmd.args[11] = inversion;
 690         cmd.args[12] = pilot;
 691         cmd.args[13] = 0x00;
 692         cmd.args[14] = 0x00;
 693         cmd.len = 15;
 694         ret = tda10071_cmd_execute(dev, &cmd);
 695         if (ret)
 696                 goto error;
 697
 698         dev->delivery_system = c->delivery_system;
 699
 700         return ret;
 701 error:
 702         dev_dbg(&client->dev, "failed=%d\n", ret);
 703         return ret;
 704 }
 705
 706 static int tda10071_get_frontend(struct dvb_frontend *fe)
 707 {
 708         struct tda10071_dev *dev = fe->demodulator_priv;
 709         struct i2c_client *client = dev->client;
 710         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 711         int ret, i;
 712         u8 buf[5], tmp;
 713
 714         if (!dev->warm || !(dev->fe_status & FE_HAS_LOCK)) {
 715                 ret = -EFAULT;
 716                 goto error;
 717         }
 718
 719         ret = regmap_bulk_read(dev->regmap, 0x30, buf, 5);
 720         if (ret)
 721                 goto error;
 722
 723         tmp = buf[0] & 0x3f;
 724         for (i = 0; i < ARRAY_SIZE(TDA10071_MODCOD); i++) {
 725                 if (tmp == TDA10071_MODCOD[i].val) {
 726                         c->modulation = TDA10071_MODCOD[i].modulation;
 727                         c->fec_inner = TDA10071_MODCOD[i].fec;
 728                         c->delivery_system = TDA10071_MODCOD[i].delivery_system;
 729                 }
 730         }
 731
 732         switch ((buf[1] >> 0) & 0x01) {
 733         case 0:
 734                 c->inversion = INVERSION_ON;
 735                 break;
 736         case 1:
 737                 c->inversion = INVERSION_OFF;
 738                 break;
 739         }
 740
 741         switch ((buf[1] >> 7) & 0x01) {
 742         case 0:
 743                 c->pilot = PILOT_OFF;
 744                 break;
 745         case 1:
 746                 c->pilot = PILOT_ON;
 747                 break;
 748         }
 749
 750         c->frequency = (buf[2] << 16) | (buf[3] << 8) | (buf[4] << 0);
 751
 752         ret = regmap_bulk_read(dev->regmap, 0x52, buf, 3);
 753         if (ret)
 754                 goto error;
 755
 756         c->symbol_rate = ((buf[0] << 16) | (buf[1] << 8) | (buf[2] << 0)) * 1000;
 757
 758         return ret;
 759 error:
 760         dev_dbg(&client->dev, "failed=%d\n", ret);
 761         return ret;
 762 }
 763
 764 static int tda10071_init(struct dvb_frontend *fe)
 765 {
 766         struct tda10071_dev *dev = fe->demodulator_priv;
 767         struct i2c_client *client = dev->client;
 768         struct tda10071_cmd cmd;
 769         int ret, i, len, remaining, fw_size;
 770         unsigned int uitmp;
 771         const struct firmware *fw;
 772         u8 *fw_file = TDA10071_FIRMWARE;
 773         u8 tmp, buf[4];
 774         struct tda10071_reg_val_mask tab[] = {
 775                 { 0xcd, 0x00, 0x07 },
 776                 { 0x80, 0x00, 0x02 },
 777                 { 0xcd, 0x00, 0xc0 },
 778                 { 0xce, 0x00, 0x1b },
 779                 { 0x9d, 0x00, 0x01 },
 780                 { 0x9d, 0x00, 0x02 },
 781                 { 0x9e, 0x00, 0x01 },
 782                 { 0x87, 0x00, 0x80 },
 783                 { 0xce, 0x00, 0x08 },
 784                 { 0xce, 0x00, 0x10 },
 785         };
 786         struct tda10071_reg_val_mask tab2[] = {
 787                 { 0xf1, 0x70, 0xff },
 788                 { 0x88, dev->pll_multiplier, 0x3f },
 789                 { 0x89, 0x00, 0x10 },
 790                 { 0x89, 0x10, 0x10 },
 791                 { 0xc0, 0x01, 0x01 },
 792                 { 0xc0, 0x00, 0x01 },
 793                 { 0xe0, 0xff, 0xff },
 794                 { 0xe0, 0x00, 0xff },
 795                 { 0x96, 0x1e, 0x7e },
 796                 { 0x8b, 0x08, 0x08 },
 797                 { 0x8b, 0x00, 0x08 },
 798                 { 0x8f, 0x1a, 0x7e },
 799                 { 0x8c, 0x68, 0xff },
 800                 { 0x8d, 0x08, 0xff },
 801                 { 0x8e, 0x4c, 0xff },
 802                 { 0x8f, 0x01, 0x01 },
 803                 { 0x8b, 0x04, 0x04 },
 804                 { 0x8b, 0x00, 0x04 },
 805                 { 0x87, 0x05, 0x07 },
 806                 { 0x80, 0x00, 0x20 },
 807                 { 0xc8, 0x01, 0xff },
 808                 { 0xb4, 0x47, 0xff },
 809                 { 0xb5, 0x9c, 0xff },
 810                 { 0xb6, 0x7d, 0xff },
 811                 { 0xba, 0x00, 0x03 },
 812                 { 0xb7, 0x47, 0xff },
 813                 { 0xb8, 0x9c, 0xff },
 814                 { 0xb9, 0x7d, 0xff },
 815                 { 0xba, 0x00, 0x0c },
 816                 { 0xc8, 0x00, 0xff },
 817                 { 0xcd, 0x00, 0x04 },
 818                 { 0xcd, 0x00, 0x20 },
 819                 { 0xe8, 0x02, 0xff },
 820                 { 0xcf, 0x20, 0xff },
 821                 { 0x9b, 0xd7, 0xff },
 822                 { 0x9a, 0x01, 0x03 },
 823                 { 0xa8, 0x05, 0x0f },
 824                 { 0xa8, 0x65, 0xf0 },
 825                 { 0xa6, 0xa0, 0xf0 },
 826                 { 0x9d, 0x50, 0xfc },
 827                 { 0x9e, 0x20, 0xe0 },
 828                 { 0xa3, 0x1c, 0x7c },
 829                 { 0xd5, 0x03, 0x03 },
 830         };
 831
 832         if (dev->warm) {
 833                 /* warm state - wake up device from sleep */
 834
 835                 for (i = 0; i < ARRAY_SIZE(tab); i++) {
 836                         ret = tda10071_wr_reg_mask(dev, tab[i].reg,
 837                                 tab[i].val, tab[i].mask);
 838                         if (ret)
 839                                 goto error;
 840                 }
 841
 842                 cmd.args[0] = CMD_SET_SLEEP_MODE;
 843                 cmd.args[1] = 0;
 844                 cmd.args[2] = 0;
 845                 cmd.len = 3;
 846                 ret = tda10071_cmd_execute(dev, &cmd);
 847                 if (ret)
 848                         goto error;
 849         } else {
 850                 /* cold state - try to download firmware */
 851
 852                 /* request the firmware, this will block and timeout */
 853                 ret = request_firmware(&fw, fw_file, &client->dev);
 854                 if (ret) {
 855                         dev_err(&client->dev,
 856                                 "did not find the firmware file. (%s) Please see linux/Documentation/dvb/ for more details on firmware-problems. (%d)\n",
 857                                 fw_file, ret);
 858                         goto error;
 859                 }
 860
 861                 /* init */
 862                 for (i = 0; i < ARRAY_SIZE(tab2); i++) {
 863                         ret = tda10071_wr_reg_mask(dev, tab2[i].reg,
 864                                 tab2[i].val, tab2[i].mask);
 865                         if (ret)
 866                                 goto error_release_firmware;
 867                 }
 868
 869                 /*  download firmware */
 870                 ret = regmap_write(dev->regmap, 0xe0, 0x7f);
 871                 if (ret)
 872                         goto error_release_firmware;
 873
 874                 ret = regmap_write(dev->regmap, 0xf7, 0x81);
 875                 if (ret)
 876                         goto error_release_firmware;
 877
 878                 ret = regmap_write(dev->regmap, 0xf8, 0x00);
 879                 if (ret)
 880                         goto error_release_firmware;
 881
 882                 ret = regmap_write(dev->regmap, 0xf9, 0x00);
 883                 if (ret)
 884                         goto error_release_firmware;
 885
 886                 dev_info(&client->dev,
 887                          "found a '%s' in cold state, will try to load a firmware\n",
 888                          tda10071_ops.info.name);
 889                 dev_info(&client->dev, "downloading firmware from file '%s'\n",
 890                          fw_file);
 891
 892                 /* do not download last byte */
 893                 fw_size = fw->size - 1;
 894
 895                 for (remaining = fw_size; remaining > 0;
 896                         remaining -= (dev->i2c_wr_max - 1)) {
 897                         len = remaining;
 898                         if (len > (dev->i2c_wr_max - 1))
 899                                 len = (dev->i2c_wr_max - 1);
 900
 901                         ret = regmap_bulk_write(dev->regmap, 0xfa,
 902                                 (u8 *) &fw->data[fw_size - remaining], len);
 903                         if (ret) {
 904                                 dev_err(&client->dev,
 905                                         "firmware download failed=%d\n", ret);
 906                                 goto error_release_firmware;
 907                         }
 908                 }
 909                 release_firmware(fw);
 910
 911                 ret = regmap_write(dev->regmap, 0xf7, 0x0c);
 912                 if (ret)
 913                         goto error;
 914
 915                 ret = regmap_write(dev->regmap, 0xe0, 0x00);
 916                 if (ret)
 917                         goto error;
 918
 919                 /* wait firmware start */
 920                 msleep(250);
 921
 922                 /* firmware status */
 923                 ret = regmap_read(dev->regmap, 0x51, &uitmp);
 924                 if (ret)
 925                         goto error;
 926
 927                 if (uitmp) {
 928                         dev_info(&client->dev, "firmware did not run\n");
 929                         ret = -EFAULT;
 930                         goto error;
 931                 } else {
 932                         dev->warm = true;
 933                 }
 934
 935                 cmd.args[0] = CMD_GET_FW_VERSION;
 936                 cmd.len = 1;
 937                 ret = tda10071_cmd_execute(dev, &cmd);
 938                 if (ret)
 939                         goto error;
 940
 941                 ret = regmap_bulk_read(dev->regmap, cmd.len, buf, 4);
 942                 if (ret)
 943                         goto error;
 944
 945                 dev_info(&client->dev, "firmware version %d.%d.%d.%d\n",
 946                          buf[0], buf[1], buf[2], buf[3]);
 947                 dev_info(&client->dev, "found a '%s' in warm state\n",
 948                          tda10071_ops.info.name);
 949
 950                 ret = regmap_bulk_read(dev->regmap, 0x81, buf, 2);
 951                 if (ret)
 952                         goto error;
 953
 954                 cmd.args[0] = CMD_DEMOD_INIT;
 955                 cmd.args[1] = ((dev->clk / 1000) >> 8) & 0xff;
 956                 cmd.args[2] = ((dev->clk / 1000) >> 0) & 0xff;
 957                 cmd.args[3] = buf[0];
 958                 cmd.args[4] = buf[1];
 959                 cmd.args[5] = dev->pll_multiplier;
 960                 cmd.args[6] = dev->spec_inv;
 961                 cmd.args[7] = 0x00;
 962                 cmd.len = 8;
 963                 ret = tda10071_cmd_execute(dev, &cmd);
 964                 if (ret)
 965                         goto error;
 966
 967                 if (dev->tuner_i2c_addr)
 968                         tmp = dev->tuner_i2c_addr;
 969                 else
 970                         tmp = 0x14;
 971
 972                 cmd.args[0] = CMD_TUNER_INIT;
 973                 cmd.args[1] = 0x00;
 974                 cmd.args[2] = 0x00;
 975                 cmd.args[3] = 0x00;
 976                 cmd.args[4] = 0x00;
 977                 cmd.args[5] = tmp;
 978                 cmd.args[6] = 0x00;
 979                 cmd.args[7] = 0x03;
 980                 cmd.args[8] = 0x02;
 981                 cmd.args[9] = 0x02;
 982                 cmd.args[10] = 0x00;
 983                 cmd.args[11] = 0x00;
 984                 cmd.args[12] = 0x00;
 985                 cmd.args[13] = 0x00;
 986                 cmd.args[14] = 0x00;
 987                 cmd.len = 15;
 988                 ret = tda10071_cmd_execute(dev, &cmd);
 989                 if (ret)
 990                         goto error;
 991
 992                 cmd.args[0] = CMD_MPEG_CONFIG;
 993                 cmd.args[1] = 0;
 994                 cmd.args[2] = dev->ts_mode;
 995                 cmd.args[3] = 0x00;
 996                 cmd.args[4] = 0x04;
 997                 cmd.args[5] = 0x00;
 998                 cmd.len = 6;
 999                 ret = tda10071_cmd_execute(dev, &cmd);
1000                 if (ret)
1001                         goto error;
1002
1003                 ret = regmap_update_bits(dev->regmap, 0xf0, 0x01, 0x01);
1004                 if (ret)
1005                         goto error;
1006
1007                 cmd.args[0] = CMD_LNB_CONFIG;
1008                 cmd.args[1] = 0;
1009                 cmd.args[2] = 150;
1010                 cmd.args[3] = 3;
1011                 cmd.args[4] = 22;
1012                 cmd.args[5] = 1;
1013                 cmd.args[6] = 1;
1014                 cmd.args[7] = 30;
1015                 cmd.args[8] = 30;
1016                 cmd.args[9] = 30;
1017                 cmd.args[10] = 30;
1018                 cmd.len = 11;
1019                 ret = tda10071_cmd_execute(dev, &cmd);
1020                 if (ret)
1021                         goto error;
1022
1023                 cmd.args[0] = CMD_BER_CONTROL;
1024                 cmd.args[1] = 0;
1025                 cmd.args[2] = 14;
1026                 cmd.args[3] = 14;
1027                 cmd.len = 4;
1028                 ret = tda10071_cmd_execute(dev, &cmd);
1029                 if (ret)
1030                         goto error;
1031         }
1032
1033         return ret;
1034 error_release_firmware:
1035         release_firmware(fw);
1036 error:
1037         dev_dbg(&client->dev, "failed=%d\n", ret);
1038         return ret;
1039 }
1040
1041 static int tda10071_sleep(struct dvb_frontend *fe)
1042 {
1043         struct tda10071_dev *dev = fe->demodulator_priv;
1044         struct i2c_client *client = dev->client;
1045         struct tda10071_cmd cmd;
1046         int ret, i;
1047         struct tda10071_reg_val_mask tab[] = {
1048                 { 0xcd, 0x07, 0x07 },
1049                 { 0x80, 0x02, 0x02 },
1050                 { 0xcd, 0xc0, 0xc0 },
1051                 { 0xce, 0x1b, 0x1b },
1052                 { 0x9d, 0x01, 0x01 },
1053                 { 0x9d, 0x02, 0x02 },
1054                 { 0x9e, 0x01, 0x01 },
1055                 { 0x87, 0x80, 0x80 },
1056                 { 0xce, 0x08, 0x08 },
1057                 { 0xce, 0x10, 0x10 },
1058         };
1059
1060         if (!dev->warm) {
1061                 ret = -EFAULT;
1062                 goto error;
1063         }
1064
1065         cmd.args[0] = CMD_SET_SLEEP_MODE;
1066         cmd.args[1] = 0;
1067         cmd.args[2] = 1;
1068         cmd.len = 3;
1069         ret = tda10071_cmd_execute(dev, &cmd);
1070         if (ret)
1071                 goto error;
1072
1073         for (i = 0; i < ARRAY_SIZE(tab); i++) {
1074                 ret = tda10071_wr_reg_mask(dev, tab[i].reg, tab[i].val,
1075                         tab[i].mask);
1076                 if (ret)
1077                         goto error;
1078         }
1079
1080         return ret;
1081 error:
1082         dev_dbg(&client->dev, "failed=%d\n", ret);
1083         return ret;
1084 }
1085
1086 static int tda10071_get_tune_settings(struct dvb_frontend *fe,
1087         struct dvb_frontend_tune_settings *s)
1088 {
1089         s->min_delay_ms = 8000;
1090         s->step_size = 0;
1091         s->max_drift = 0;
1092
1093         return 0;
1094 }
1095
1096 static struct dvb_frontend_ops tda10071_ops = {
1097         .delsys = { SYS_DVBS, SYS_DVBS2 },
1098         .info = {
1099                 .name = "NXP TDA10071",
1100                 .frequency_min = 950000,
1101                 .frequency_max = 2150000,
1102                 .frequency_tolerance = 5000,
1103                 .symbol_rate_min = 1000000,
1104                 .symbol_rate_max = 45000000,
1105                 .caps = FE_CAN_INVERSION_AUTO |
1106                         FE_CAN_FEC_1_2 |
1107                         FE_CAN_FEC_2_3 |
1108                         FE_CAN_FEC_3_4 |
1109                         FE_CAN_FEC_4_5 |
1110                         FE_CAN_FEC_5_6 |
1111                         FE_CAN_FEC_6_7 |
1112                         FE_CAN_FEC_7_8 |
1113                         FE_CAN_FEC_8_9 |
1114                         FE_CAN_FEC_AUTO |
1115                         FE_CAN_QPSK |
1116                         FE_CAN_RECOVER |
1117                         FE_CAN_2G_MODULATION
1118         },
1119
1120         .get_tune_settings = tda10071_get_tune_settings,
1121
1122         .init = tda10071_init,
1123         .sleep = tda10071_sleep,
1124
1125         .set_frontend = tda10071_set_frontend,
1126         .get_frontend = tda10071_get_frontend,
1127
1128         .read_status = tda10071_read_status,
1129         .read_snr = tda10071_read_snr,
1130         .read_signal_strength = tda10071_read_signal_strength,
1131         .read_ber = tda10071_read_ber,
1132         .read_ucblocks = tda10071_read_ucblocks,
1133
1134         .diseqc_send_master_cmd = tda10071_diseqc_send_master_cmd,
1135         .diseqc_recv_slave_reply = tda10071_diseqc_recv_slave_reply,
1136         .diseqc_send_burst = tda10071_diseqc_send_burst,
1137
1138         .set_tone = tda10071_set_tone,
1139         .set_voltage = tda10071_set_voltage,
1140 };
1141
1142 static struct dvb_frontend *tda10071_get_dvb_frontend(struct i2c_client *client)
1143 {
1144         struct tda10071_dev *dev = i2c_get_clientdata(client);
1145
1146         dev_dbg(&client->dev, "\n");
1147
1148         return &dev->fe;
1149 }
1150
1151 static int tda10071_probe(struct i2c_client *client,
1152                         const struct i2c_device_id *id)
1153 {
1154         struct tda10071_dev *dev;
1155         struct tda10071_platform_data *pdata = client->dev.platform_data;
1156         int ret;
1157         unsigned int uitmp;
1158         static const struct regmap_config regmap_config = {
1159                 .reg_bits = 8,
1160                 .val_bits = 8,
1161         };
1162
1163         dev = kzalloc(sizeof(*dev), GFP_KERNEL);
1164         if (!dev) {
1165                 ret = -ENOMEM;
1166                 goto err;
1167         }
1168
1169         dev->client = client;
1170         dev->clk = pdata->clk;
1171         dev->i2c_wr_max = pdata->i2c_wr_max;
1172         dev->ts_mode = pdata->ts_mode;
1173         dev->spec_inv = pdata->spec_inv;
1174         dev->pll_multiplier = pdata->pll_multiplier;
1175         dev->tuner_i2c_addr = pdata->tuner_i2c_addr;
1176         dev->regmap = devm_regmap_init_i2c(client, &regmap_config);
1177         if (IS_ERR(dev->regmap)) {
1178                 ret = PTR_ERR(dev->regmap);
1179                 goto err_kfree;
1180         }
1181
1182         /* chip ID */
1183         ret = regmap_read(dev->regmap, 0xff, &uitmp);
1184         if (ret)
1185                 goto err_kfree;
1186         if (uitmp != 0x0f) {
1187                 ret = -ENODEV;
1188                 goto err_kfree;
1189         }
1190
1191         /* chip type */
1192         ret = regmap_read(dev->regmap, 0xdd, &uitmp);
1193         if (ret)
1194                 goto err_kfree;
1195         if (uitmp != 0x00) {
1196                 ret = -ENODEV;
1197                 goto err_kfree;
1198         }
1199
1200         /* chip version */
1201         ret = regmap_read(dev->regmap, 0xfe, &uitmp);
1202         if (ret)
1203                 goto err_kfree;
1204         if (uitmp != 0x01) {
1205                 ret = -ENODEV;
1206                 goto err_kfree;
1207         }
1208
1209         /* create dvb_frontend */
1210         memcpy(&dev->fe.ops, &tda10071_ops, sizeof(struct dvb_frontend_ops));
1211         dev->fe.demodulator_priv = dev;
1212         i2c_set_clientdata(client, dev);
1213
1214         /* setup callbacks */
1215         pdata->get_dvb_frontend = tda10071_get_dvb_frontend;
1216
1217         dev_info(&client->dev, "NXP TDA10071 successfully identified\n");
1218         return 0;
1219 err_kfree:
1220         kfree(dev);
1221 err:
1222         dev_dbg(&client->dev, "failed=%d\n", ret);
1223         return ret;
1224 }
1225
1226 static int tda10071_remove(struct i2c_client *client)
1227 {
1228         struct tda10071_dev *dev = i2c_get_clientdata(client);
1229
1230         dev_dbg(&client->dev, "\n");
1231
1232         kfree(dev);
1233         return 0;
1234 }
1235
1236 static const struct i2c_device_id tda10071_id_table[] = {
1237         {"tda10071_cx24118", 0},
1238         {}
1239 };
1240 MODULE_DEVICE_TABLE(i2c, tda10071_id_table);
1241
1242 static struct i2c_driver tda10071_driver = {
1243         .driver = {
1244                 .owner  = THIS_MODULE,
1245                 .name   = "tda10071",
1246                 .suppress_bind_attrs = true,
1247         },
1248         .probe          = tda10071_probe,
1249         .remove         = tda10071_remove,
1250         .id_table       = tda10071_id_table,
1251 };
1252
1253 module_i2c_driver(tda10071_driver);
1254
1255 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1256 MODULE_DESCRIPTION("NXP TDA10071 DVB-S/S2 demodulator driver");
1257 MODULE_LICENSE("GPL");
1258 MODULE_FIRMWARE(TDA10071_FIRMWARE);