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         mutex_lock(&dev->cmd_execute_mutex);
  65
  66         /* write cmd and args for firmware */
  67         ret = regmap_bulk_write(dev->regmap, 0x00, cmd->args, cmd->len);
  68         if (ret)
  69                 goto error_mutex_unlock;
  70
  71         /* start cmd execution */
  72         ret = regmap_write(dev->regmap, 0x1f, 1);
  73         if (ret)
  74                 goto error_mutex_unlock;
  75
  76         /* wait cmd execution terminate */
  77         for (i = 1000, uitmp = 1; i && uitmp; i--) {
  78                 ret = regmap_read(dev->regmap, 0x1f, &uitmp);
  79                 if (ret)
  80                         goto error_mutex_unlock;
  81
  82                 usleep_range(200, 5000);
  83         }
  84
  85         mutex_unlock(&dev->cmd_execute_mutex);
  86         dev_dbg(&client->dev, "loop=%d\n", i);
  87
  88         if (i == 0) {
  89                 ret = -ETIMEDOUT;
  90                 goto error;
  91         }
  92
  93         return ret;
  94 error_mutex_unlock:
  95         mutex_unlock(&dev->cmd_execute_mutex);
  96 error:
  97         dev_dbg(&client->dev, "failed=%d\n", ret);
  98         return ret;
  99 }
 100
 101 static int tda10071_set_tone(struct dvb_frontend *fe,
 102         enum fe_sec_tone_mode fe_sec_tone_mode)
 103 {
 104         struct tda10071_dev *dev = fe->demodulator_priv;
 105         struct i2c_client *client = dev->client;
 106         struct tda10071_cmd cmd;
 107         int ret;
 108         u8 tone;
 109
 110         if (!dev->warm) {
 111                 ret = -EFAULT;
 112                 goto error;
 113         }
 114
 115         dev_dbg(&client->dev, "tone_mode=%d\n", fe_sec_tone_mode);
 116
 117         switch (fe_sec_tone_mode) {
 118         case SEC_TONE_ON:
 119                 tone = 1;
 120                 break;
 121         case SEC_TONE_OFF:
 122                 tone = 0;
 123                 break;
 124         default:
 125                 dev_dbg(&client->dev, "invalid fe_sec_tone_mode\n");
 126                 ret = -EINVAL;
 127                 goto error;
 128         }
 129
 130         cmd.args[0] = CMD_LNB_PCB_CONFIG;
 131         cmd.args[1] = 0;
 132         cmd.args[2] = 0x00;
 133         cmd.args[3] = 0x00;
 134         cmd.args[4] = tone;
 135         cmd.len = 5;
 136         ret = tda10071_cmd_execute(dev, &cmd);
 137         if (ret)
 138                 goto error;
 139
 140         return ret;
 141 error:
 142         dev_dbg(&client->dev, "failed=%d\n", ret);
 143         return ret;
 144 }
 145
 146 static int tda10071_set_voltage(struct dvb_frontend *fe,
 147         enum fe_sec_voltage fe_sec_voltage)
 148 {
 149         struct tda10071_dev *dev = fe->demodulator_priv;
 150         struct i2c_client *client = dev->client;
 151         struct tda10071_cmd cmd;
 152         int ret;
 153         u8 voltage;
 154
 155         if (!dev->warm) {
 156                 ret = -EFAULT;
 157                 goto error;
 158         }
 159
 160         dev_dbg(&client->dev, "voltage=%d\n", fe_sec_voltage);
 161
 162         switch (fe_sec_voltage) {
 163         case SEC_VOLTAGE_13:
 164                 voltage = 0;
 165                 break;
 166         case SEC_VOLTAGE_18:
 167                 voltage = 1;
 168                 break;
 169         case SEC_VOLTAGE_OFF:
 170                 voltage = 0;
 171                 break;
 172         default:
 173                 dev_dbg(&client->dev, "invalid fe_sec_voltage\n");
 174                 ret = -EINVAL;
 175                 goto error;
 176         }
 177
 178         cmd.args[0] = CMD_LNB_SET_DC_LEVEL;
 179         cmd.args[1] = 0;
 180         cmd.args[2] = voltage;
 181         cmd.len = 3;
 182         ret = tda10071_cmd_execute(dev, &cmd);
 183         if (ret)
 184                 goto error;
 185
 186         return ret;
 187 error:
 188         dev_dbg(&client->dev, "failed=%d\n", ret);
 189         return ret;
 190 }
 191
 192 static int tda10071_diseqc_send_master_cmd(struct dvb_frontend *fe,
 193         struct dvb_diseqc_master_cmd *diseqc_cmd)
 194 {
 195         struct tda10071_dev *dev = fe->demodulator_priv;
 196         struct i2c_client *client = dev->client;
 197         struct tda10071_cmd cmd;
 198         int ret, i;
 199         unsigned int uitmp;
 200
 201         if (!dev->warm) {
 202                 ret = -EFAULT;
 203                 goto error;
 204         }
 205
 206         dev_dbg(&client->dev, "msg_len=%d\n", diseqc_cmd->msg_len);
 207
 208         if (diseqc_cmd->msg_len < 3 || diseqc_cmd->msg_len > 6) {
 209                 ret = -EINVAL;
 210                 goto error;
 211         }
 212
 213         /* wait LNB TX */
 214         for (i = 500, uitmp = 0; i && !uitmp; i--) {
 215                 ret = regmap_read(dev->regmap, 0x47, &uitmp);
 216                 if (ret)
 217                         goto error;
 218                 uitmp = (uitmp >> 0) & 1;
 219                 usleep_range(10000, 20000);
 220         }
 221
 222         dev_dbg(&client->dev, "loop=%d\n", i);
 223
 224         if (i == 0) {
 225                 ret = -ETIMEDOUT;
 226                 goto error;
 227         }
 228
 229         ret = regmap_update_bits(dev->regmap, 0x47, 0x01, 0x00);
 230         if (ret)
 231                 goto error;
 232
 233         cmd.args[0] = CMD_LNB_SEND_DISEQC;
 234         cmd.args[1] = 0;
 235         cmd.args[2] = 0;
 236         cmd.args[3] = 0;
 237         cmd.args[4] = 2;
 238         cmd.args[5] = 0;
 239         cmd.args[6] = diseqc_cmd->msg_len;
 240         memcpy(&cmd.args[7], diseqc_cmd->msg, diseqc_cmd->msg_len);
 241         cmd.len = 7 + diseqc_cmd->msg_len;
 242         ret = tda10071_cmd_execute(dev, &cmd);
 243         if (ret)
 244                 goto error;
 245
 246         return ret;
 247 error:
 248         dev_dbg(&client->dev, "failed=%d\n", ret);
 249         return ret;
 250 }
 251
 252 static int tda10071_diseqc_recv_slave_reply(struct dvb_frontend *fe,
 253         struct dvb_diseqc_slave_reply *reply)
 254 {
 255         struct tda10071_dev *dev = fe->demodulator_priv;
 256         struct i2c_client *client = dev->client;
 257         struct tda10071_cmd cmd;
 258         int ret, i;
 259         unsigned int uitmp;
 260
 261         if (!dev->warm) {
 262                 ret = -EFAULT;
 263                 goto error;
 264         }
 265
 266         dev_dbg(&client->dev, "\n");
 267
 268         /* wait LNB RX */
 269         for (i = 500, uitmp = 0; i && !uitmp; i--) {
 270                 ret = regmap_read(dev->regmap, 0x47, &uitmp);
 271                 if (ret)
 272                         goto error;
 273                 uitmp = (uitmp >> 1) & 1;
 274                 usleep_range(10000, 20000);
 275         }
 276
 277         dev_dbg(&client->dev, "loop=%d\n", i);
 278
 279         if (i == 0) {
 280                 ret = -ETIMEDOUT;
 281                 goto error;
 282         }
 283
 284         /* reply len */
 285         ret = regmap_read(dev->regmap, 0x46, &uitmp);
 286         if (ret)
 287                 goto error;
 288
 289         reply->msg_len = uitmp & 0x1f; /* [4:0] */
 290         if (reply->msg_len > sizeof(reply->msg))
 291                 reply->msg_len = sizeof(reply->msg); /* truncate API max */
 292
 293         /* read reply */
 294         cmd.args[0] = CMD_LNB_UPDATE_REPLY;
 295         cmd.args[1] = 0;
 296         cmd.len = 2;
 297         ret = tda10071_cmd_execute(dev, &cmd);
 298         if (ret)
 299                 goto error;
 300
 301         ret = regmap_bulk_read(dev->regmap, cmd.len, reply->msg,
 302                                reply->msg_len);
 303         if (ret)
 304                 goto error;
 305
 306         return ret;
 307 error:
 308         dev_dbg(&client->dev, "failed=%d\n", ret);
 309         return ret;
 310 }
 311
 312 static int tda10071_diseqc_send_burst(struct dvb_frontend *fe,
 313         enum fe_sec_mini_cmd fe_sec_mini_cmd)
 314 {
 315         struct tda10071_dev *dev = fe->demodulator_priv;
 316         struct i2c_client *client = dev->client;
 317         struct tda10071_cmd cmd;
 318         int ret, i;
 319         unsigned int uitmp;
 320         u8 burst;
 321
 322         if (!dev->warm) {
 323                 ret = -EFAULT;
 324                 goto error;
 325         }
 326
 327         dev_dbg(&client->dev, "fe_sec_mini_cmd=%d\n", fe_sec_mini_cmd);
 328
 329         switch (fe_sec_mini_cmd) {
 330         case SEC_MINI_A:
 331                 burst = 0;
 332                 break;
 333         case SEC_MINI_B:
 334                 burst = 1;
 335                 break;
 336         default:
 337                 dev_dbg(&client->dev, "invalid fe_sec_mini_cmd\n");
 338                 ret = -EINVAL;
 339                 goto error;
 340         }
 341
 342         /* wait LNB TX */
 343         for (i = 500, uitmp = 0; i && !uitmp; i--) {
 344                 ret = regmap_read(dev->regmap, 0x47, &uitmp);
 345                 if (ret)
 346                         goto error;
 347                 uitmp = (uitmp >> 0) & 1;
 348                 usleep_range(10000, 20000);
 349         }
 350
 351         dev_dbg(&client->dev, "loop=%d\n", i);
 352
 353         if (i == 0) {
 354                 ret = -ETIMEDOUT;
 355                 goto error;
 356         }
 357
 358         ret = regmap_update_bits(dev->regmap, 0x47, 0x01, 0x00);
 359         if (ret)
 360                 goto error;
 361
 362         cmd.args[0] = CMD_LNB_SEND_TONEBURST;
 363         cmd.args[1] = 0;
 364         cmd.args[2] = burst;
 365         cmd.len = 3;
 366         ret = tda10071_cmd_execute(dev, &cmd);
 367         if (ret)
 368                 goto error;
 369
 370         return ret;
 371 error:
 372         dev_dbg(&client->dev, "failed=%d\n", ret);
 373         return ret;
 374 }
 375
 376 static int tda10071_read_status(struct dvb_frontend *fe, enum fe_status *status)
 377 {
 378         struct tda10071_dev *dev = fe->demodulator_priv;
 379         struct i2c_client *client = dev->client;
 380         int ret;
 381         unsigned int uitmp;
 382
 383         *status = 0;
 384
 385         if (!dev->warm) {
 386                 ret = 0;
 387                 goto error;
 388         }
 389
 390         ret = regmap_read(dev->regmap, 0x39, &uitmp);
 391         if (ret)
 392                 goto error;
 393
 394         /* 0x39[0] tuner PLL */
 395         if (uitmp & 0x02) /* demod PLL */
 396                 *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER;
 397         if (uitmp & 0x04) /* viterbi or LDPC*/
 398                 *status |= FE_HAS_VITERBI;
 399         if (uitmp & 0x08) /* RS or BCH */
 400                 *status |= FE_HAS_SYNC | FE_HAS_LOCK;
 401
 402         dev->fe_status = *status;
 403
 404         return ret;
 405 error:
 406         dev_dbg(&client->dev, "failed=%d\n", ret);
 407         return ret;
 408 }
 409
 410 static int tda10071_read_snr(struct dvb_frontend *fe, u16 *snr)
 411 {
 412         struct tda10071_dev *dev = fe->demodulator_priv;
 413         struct i2c_client *client = dev->client;
 414         int ret;
 415         u8 buf[2];
 416
 417         if (!dev->warm || !(dev->fe_status & FE_HAS_LOCK)) {
 418                 *snr = 0;
 419                 ret = 0;
 420                 goto error;
 421         }
 422
 423         ret = regmap_bulk_read(dev->regmap, 0x3a, buf, 2);
 424         if (ret)
 425                 goto error;
 426
 427         /* Es/No dBx10 */
 428         *snr = buf[0] << 8 | buf[1];
 429
 430         return ret;
 431 error:
 432         dev_dbg(&client->dev, "failed=%d\n", ret);
 433         return ret;
 434 }
 435
 436 static int tda10071_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
 437 {
 438         struct tda10071_dev *dev = fe->demodulator_priv;
 439         struct i2c_client *client = dev->client;
 440         struct tda10071_cmd cmd;
 441         int ret;
 442         unsigned int uitmp;
 443
 444         if (!dev->warm || !(dev->fe_status & FE_HAS_LOCK)) {
 445                 *strength = 0;
 446                 ret = 0;
 447                 goto error;
 448         }
 449
 450         cmd.args[0] = CMD_GET_AGCACC;
 451         cmd.args[1] = 0;
 452         cmd.len = 2;
 453         ret = tda10071_cmd_execute(dev, &cmd);
 454         if (ret)
 455                 goto error;
 456
 457         /* input power estimate dBm */
 458         ret = regmap_read(dev->regmap, 0x50, &uitmp);
 459         if (ret)
 460                 goto error;
 461
 462         if (uitmp < 181)
 463                 uitmp = 181; /* -75 dBm */
 464         else if (uitmp > 236)
 465                 uitmp = 236; /* -20 dBm */
 466
 467         /* scale value to 0x0000-0xffff */
 468         *strength = (uitmp-181) * 0xffff / (236-181);
 469
 470         return ret;
 471 error:
 472         dev_dbg(&client->dev, "failed=%d\n", ret);
 473         return ret;
 474 }
 475
 476 static int tda10071_read_ber(struct dvb_frontend *fe, u32 *ber)
 477 {
 478         struct tda10071_dev *dev = fe->demodulator_priv;
 479         struct i2c_client *client = dev->client;
 480         struct tda10071_cmd cmd;
 481         int ret, i, len;
 482         unsigned int uitmp;
 483         u8 reg, buf[8];
 484
 485         if (!dev->warm || !(dev->fe_status & FE_HAS_LOCK)) {
 486                 *ber = dev->ber = 0;
 487                 ret = 0;
 488                 goto error;
 489         }
 490
 491         switch (dev->delivery_system) {
 492         case SYS_DVBS:
 493                 reg = 0x4c;
 494                 len = 8;
 495                 i = 1;
 496                 break;
 497         case SYS_DVBS2:
 498                 reg = 0x4d;
 499                 len = 4;
 500                 i = 0;
 501                 break;
 502         default:
 503                 *ber = dev->ber = 0;
 504                 return 0;
 505         }
 506
 507         ret = regmap_read(dev->regmap, reg, &uitmp);
 508         if (ret)
 509                 goto error;
 510
 511         if (dev->meas_count[i] == uitmp) {
 512                 dev_dbg(&client->dev, "meas not ready=%02x\n", uitmp);
 513                 *ber = dev->ber;
 514                 return 0;
 515         } else {
 516                 dev->meas_count[i] = uitmp;
 517         }
 518
 519         cmd.args[0] = CMD_BER_UPDATE_COUNTERS;
 520         cmd.args[1] = 0;
 521         cmd.args[2] = i;
 522         cmd.len = 3;
 523         ret = tda10071_cmd_execute(dev, &cmd);
 524         if (ret)
 525                 goto error;
 526
 527         ret = regmap_bulk_read(dev->regmap, cmd.len, buf, len);
 528         if (ret)
 529                 goto error;
 530
 531         if (dev->delivery_system == SYS_DVBS) {
 532                 *ber = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];
 533                 dev->ucb += (buf[4] << 8) | buf[5];
 534         } else {
 535                 *ber = (buf[0] << 8) | buf[1];
 536         }
 537         dev->ber = *ber;
 538
 539         return ret;
 540 error:
 541         dev_dbg(&client->dev, "failed=%d\n", ret);
 542         return ret;
 543 }
 544
 545 static int tda10071_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
 546 {
 547         struct tda10071_dev *dev = fe->demodulator_priv;
 548         struct i2c_client *client = dev->client;
 549         int ret = 0;
 550
 551         if (!dev->warm || !(dev->fe_status & FE_HAS_LOCK)) {
 552                 *ucblocks = 0;
 553                 goto error;
 554         }
 555
 556         /* UCB is updated when BER is read. Assume BER is read anyway. */
 557
 558         *ucblocks = dev->ucb;
 559
 560         return ret;
 561 error:
 562         dev_dbg(&client->dev, "failed=%d\n", ret);
 563         return ret;
 564 }
 565
 566 static int tda10071_set_frontend(struct dvb_frontend *fe)
 567 {
 568         struct tda10071_dev *dev = fe->demodulator_priv;
 569         struct i2c_client *client = dev->client;
 570         struct tda10071_cmd cmd;
 571         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 572         int ret, i;
 573         u8 mode, rolloff, pilot, inversion, div;
 574         enum fe_modulation modulation;
 575
 576         dev_dbg(&client->dev,
 577                 "delivery_system=%d modulation=%d frequency=%u symbol_rate=%d inversion=%d pilot=%d rolloff=%d\n",
 578                 c->delivery_system, c->modulation, c->frequency, c->symbol_rate,
 579                 c->inversion, c->pilot, c->rolloff);
 580
 581         dev->delivery_system = SYS_UNDEFINED;
 582
 583         if (!dev->warm) {
 584                 ret = -EFAULT;
 585                 goto error;
 586         }
 587
 588         switch (c->inversion) {
 589         case INVERSION_OFF:
 590                 inversion = 1;
 591                 break;
 592         case INVERSION_ON:
 593                 inversion = 0;
 594                 break;
 595         case INVERSION_AUTO:
 596                 /* 2 = auto; try first on then off
 597                  * 3 = auto; try first off then on */
 598                 inversion = 3;
 599                 break;
 600         default:
 601                 dev_dbg(&client->dev, "invalid inversion\n");
 602                 ret = -EINVAL;
 603                 goto error;
 604         }
 605
 606         switch (c->delivery_system) {
 607         case SYS_DVBS:
 608                 modulation = QPSK;
 609                 rolloff = 0;
 610                 pilot = 2;
 611                 break;
 612         case SYS_DVBS2:
 613                 modulation = c->modulation;
 614
 615                 switch (c->rolloff) {
 616                 case ROLLOFF_20:
 617                         rolloff = 2;
 618                         break;
 619                 case ROLLOFF_25:
 620                         rolloff = 1;
 621                         break;
 622                 case ROLLOFF_35:
 623                         rolloff = 0;
 624                         break;
 625                 case ROLLOFF_AUTO:
 626                 default:
 627                         dev_dbg(&client->dev, "invalid rolloff\n");
 628                         ret = -EINVAL;
 629                         goto error;
 630                 }
 631
 632                 switch (c->pilot) {
 633                 case PILOT_OFF:
 634                         pilot = 0;
 635                         break;
 636                 case PILOT_ON:
 637                         pilot = 1;
 638                         break;
 639                 case PILOT_AUTO:
 640                         pilot = 2;
 641                         break;
 642                 default:
 643                         dev_dbg(&client->dev, "invalid pilot\n");
 644                         ret = -EINVAL;
 645                         goto error;
 646                 }
 647                 break;
 648         default:
 649                 dev_dbg(&client->dev, "invalid delivery_system\n");
 650                 ret = -EINVAL;
 651                 goto error;
 652         }
 653
 654         for (i = 0, mode = 0xff; i < ARRAY_SIZE(TDA10071_MODCOD); i++) {
 655                 if (c->delivery_system == TDA10071_MODCOD[i].delivery_system &&
 656                         modulation == TDA10071_MODCOD[i].modulation &&
 657                         c->fec_inner == TDA10071_MODCOD[i].fec) {
 658                         mode = TDA10071_MODCOD[i].val;
 659                         dev_dbg(&client->dev, "mode found=%02x\n", mode);
 660                         break;
 661                 }
 662         }
 663
 664         if (mode == 0xff) {
 665                 dev_dbg(&client->dev, "invalid parameter combination\n");
 666                 ret = -EINVAL;
 667                 goto error;
 668         }
 669
 670         if (c->symbol_rate <= 5000000)
 671                 div = 14;
 672         else
 673                 div = 4;
 674
 675         ret = regmap_write(dev->regmap, 0x81, div);
 676         if (ret)
 677                 goto error;
 678
 679         ret = regmap_write(dev->regmap, 0xe3, div);
 680         if (ret)
 681                 goto error;
 682
 683         cmd.args[0] = CMD_CHANGE_CHANNEL;
 684         cmd.args[1] = 0;
 685         cmd.args[2] = mode;
 686         cmd.args[3] = (c->frequency >> 16) & 0xff;
 687         cmd.args[4] = (c->frequency >>  8) & 0xff;
 688         cmd.args[5] = (c->frequency >>  0) & 0xff;
 689         cmd.args[6] = ((c->symbol_rate / 1000) >> 8) & 0xff;
 690         cmd.args[7] = ((c->symbol_rate / 1000) >> 0) & 0xff;
 691         cmd.args[8] = (tda10071_ops.info.frequency_tolerance >> 8) & 0xff;
 692         cmd.args[9] = (tda10071_ops.info.frequency_tolerance >> 0) & 0xff;
 693         cmd.args[10] = rolloff;
 694         cmd.args[11] = inversion;
 695         cmd.args[12] = pilot;
 696         cmd.args[13] = 0x00;
 697         cmd.args[14] = 0x00;
 698         cmd.len = 15;
 699         ret = tda10071_cmd_execute(dev, &cmd);
 700         if (ret)
 701                 goto error;
 702
 703         dev->delivery_system = c->delivery_system;
 704
 705         return ret;
 706 error:
 707         dev_dbg(&client->dev, "failed=%d\n", ret);
 708         return ret;
 709 }
 710
 711 static int tda10071_get_frontend(struct dvb_frontend *fe)
 712 {
 713         struct tda10071_dev *dev = fe->demodulator_priv;
 714         struct i2c_client *client = dev->client;
 715         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 716         int ret, i;
 717         u8 buf[5], tmp;
 718
 719         if (!dev->warm || !(dev->fe_status & FE_HAS_LOCK)) {
 720                 ret = -EFAULT;
 721                 goto error;
 722         }
 723
 724         ret = regmap_bulk_read(dev->regmap, 0x30, buf, 5);
 725         if (ret)
 726                 goto error;
 727
 728         tmp = buf[0] & 0x3f;
 729         for (i = 0; i < ARRAY_SIZE(TDA10071_MODCOD); i++) {
 730                 if (tmp == TDA10071_MODCOD[i].val) {
 731                         c->modulation = TDA10071_MODCOD[i].modulation;
 732                         c->fec_inner = TDA10071_MODCOD[i].fec;
 733                         c->delivery_system = TDA10071_MODCOD[i].delivery_system;
 734                 }
 735         }
 736
 737         switch ((buf[1] >> 0) & 0x01) {
 738         case 0:
 739                 c->inversion = INVERSION_ON;
 740                 break;
 741         case 1:
 742                 c->inversion = INVERSION_OFF;
 743                 break;
 744         }
 745
 746         switch ((buf[1] >> 7) & 0x01) {
 747         case 0:
 748                 c->pilot = PILOT_OFF;
 749                 break;
 750         case 1:
 751                 c->pilot = PILOT_ON;
 752                 break;
 753         }
 754
 755         c->frequency = (buf[2] << 16) | (buf[3] << 8) | (buf[4] << 0);
 756
 757         ret = regmap_bulk_read(dev->regmap, 0x52, buf, 3);
 758         if (ret)
 759                 goto error;
 760
 761         c->symbol_rate = ((buf[0] << 16) | (buf[1] << 8) | (buf[2] << 0)) * 1000;
 762
 763         return ret;
 764 error:
 765         dev_dbg(&client->dev, "failed=%d\n", ret);
 766         return ret;
 767 }
 768
 769 static int tda10071_init(struct dvb_frontend *fe)
 770 {
 771         struct tda10071_dev *dev = fe->demodulator_priv;
 772         struct i2c_client *client = dev->client;
 773         struct tda10071_cmd cmd;
 774         int ret, i, len, remaining, fw_size;
 775         unsigned int uitmp;
 776         const struct firmware *fw;
 777         u8 *fw_file = TDA10071_FIRMWARE;
 778         u8 tmp, buf[4];
 779         struct tda10071_reg_val_mask tab[] = {
 780                 { 0xcd, 0x00, 0x07 },
 781                 { 0x80, 0x00, 0x02 },
 782                 { 0xcd, 0x00, 0xc0 },
 783                 { 0xce, 0x00, 0x1b },
 784                 { 0x9d, 0x00, 0x01 },
 785                 { 0x9d, 0x00, 0x02 },
 786                 { 0x9e, 0x00, 0x01 },
 787                 { 0x87, 0x00, 0x80 },
 788                 { 0xce, 0x00, 0x08 },
 789                 { 0xce, 0x00, 0x10 },
 790         };
 791         struct tda10071_reg_val_mask tab2[] = {
 792                 { 0xf1, 0x70, 0xff },
 793                 { 0x88, dev->pll_multiplier, 0x3f },
 794                 { 0x89, 0x00, 0x10 },
 795                 { 0x89, 0x10, 0x10 },
 796                 { 0xc0, 0x01, 0x01 },
 797                 { 0xc0, 0x00, 0x01 },
 798                 { 0xe0, 0xff, 0xff },
 799                 { 0xe0, 0x00, 0xff },
 800                 { 0x96, 0x1e, 0x7e },
 801                 { 0x8b, 0x08, 0x08 },
 802                 { 0x8b, 0x00, 0x08 },
 803                 { 0x8f, 0x1a, 0x7e },
 804                 { 0x8c, 0x68, 0xff },
 805                 { 0x8d, 0x08, 0xff },
 806                 { 0x8e, 0x4c, 0xff },
 807                 { 0x8f, 0x01, 0x01 },
 808                 { 0x8b, 0x04, 0x04 },
 809                 { 0x8b, 0x00, 0x04 },
 810                 { 0x87, 0x05, 0x07 },
 811                 { 0x80, 0x00, 0x20 },
 812                 { 0xc8, 0x01, 0xff },
 813                 { 0xb4, 0x47, 0xff },
 814                 { 0xb5, 0x9c, 0xff },
 815                 { 0xb6, 0x7d, 0xff },
 816                 { 0xba, 0x00, 0x03 },
 817                 { 0xb7, 0x47, 0xff },
 818                 { 0xb8, 0x9c, 0xff },
 819                 { 0xb9, 0x7d, 0xff },
 820                 { 0xba, 0x00, 0x0c },
 821                 { 0xc8, 0x00, 0xff },
 822                 { 0xcd, 0x00, 0x04 },
 823                 { 0xcd, 0x00, 0x20 },
 824                 { 0xe8, 0x02, 0xff },
 825                 { 0xcf, 0x20, 0xff },
 826                 { 0x9b, 0xd7, 0xff },
 827                 { 0x9a, 0x01, 0x03 },
 828                 { 0xa8, 0x05, 0x0f },
 829                 { 0xa8, 0x65, 0xf0 },
 830                 { 0xa6, 0xa0, 0xf0 },
 831                 { 0x9d, 0x50, 0xfc },
 832                 { 0x9e, 0x20, 0xe0 },
 833                 { 0xa3, 0x1c, 0x7c },
 834                 { 0xd5, 0x03, 0x03 },
 835         };
 836
 837         if (dev->warm) {
 838                 /* warm state - wake up device from sleep */
 839
 840                 for (i = 0; i < ARRAY_SIZE(tab); i++) {
 841                         ret = tda10071_wr_reg_mask(dev, tab[i].reg,
 842                                 tab[i].val, tab[i].mask);
 843                         if (ret)
 844                                 goto error;
 845                 }
 846
 847                 cmd.args[0] = CMD_SET_SLEEP_MODE;
 848                 cmd.args[1] = 0;
 849                 cmd.args[2] = 0;
 850                 cmd.len = 3;
 851                 ret = tda10071_cmd_execute(dev, &cmd);
 852                 if (ret)
 853                         goto error;
 854         } else {
 855                 /* cold state - try to download firmware */
 856
 857                 /* request the firmware, this will block and timeout */
 858                 ret = request_firmware(&fw, fw_file, &client->dev);
 859                 if (ret) {
 860                         dev_err(&client->dev,
 861                                 "did not find the firmware file. (%s) Please see linux/Documentation/dvb/ for more details on firmware-problems. (%d)\n",
 862                                 fw_file, ret);
 863                         goto error;
 864                 }
 865
 866                 /* init */
 867                 for (i = 0; i < ARRAY_SIZE(tab2); i++) {
 868                         ret = tda10071_wr_reg_mask(dev, tab2[i].reg,
 869                                 tab2[i].val, tab2[i].mask);
 870                         if (ret)
 871                                 goto error_release_firmware;
 872                 }
 873
 874                 /*  download firmware */
 875                 ret = regmap_write(dev->regmap, 0xe0, 0x7f);
 876                 if (ret)
 877                         goto error_release_firmware;
 878
 879                 ret = regmap_write(dev->regmap, 0xf7, 0x81);
 880                 if (ret)
 881                         goto error_release_firmware;
 882
 883                 ret = regmap_write(dev->regmap, 0xf8, 0x00);
 884                 if (ret)
 885                         goto error_release_firmware;
 886
 887                 ret = regmap_write(dev->regmap, 0xf9, 0x00);
 888                 if (ret)
 889                         goto error_release_firmware;
 890
 891                 dev_info(&client->dev,
 892                          "found a '%s' in cold state, will try to load a firmware\n",
 893                          tda10071_ops.info.name);
 894                 dev_info(&client->dev, "downloading firmware from file '%s'\n",
 895                          fw_file);
 896
 897                 /* do not download last byte */
 898                 fw_size = fw->size - 1;
 899
 900                 for (remaining = fw_size; remaining > 0;
 901                         remaining -= (dev->i2c_wr_max - 1)) {
 902                         len = remaining;
 903                         if (len > (dev->i2c_wr_max - 1))
 904                                 len = (dev->i2c_wr_max - 1);
 905
 906                         ret = regmap_bulk_write(dev->regmap, 0xfa,
 907                                 (u8 *) &fw->data[fw_size - remaining], len);
 908                         if (ret) {
 909                                 dev_err(&client->dev,
 910                                         "firmware download failed=%d\n", ret);
 911                                 goto error_release_firmware;
 912                         }
 913                 }
 914                 release_firmware(fw);
 915
 916                 ret = regmap_write(dev->regmap, 0xf7, 0x0c);
 917                 if (ret)
 918                         goto error;
 919
 920                 ret = regmap_write(dev->regmap, 0xe0, 0x00);
 921                 if (ret)
 922                         goto error;
 923
 924                 /* wait firmware start */
 925                 msleep(250);
 926
 927                 /* firmware status */
 928                 ret = regmap_read(dev->regmap, 0x51, &uitmp);
 929                 if (ret)
 930                         goto error;
 931
 932                 if (uitmp) {
 933                         dev_info(&client->dev, "firmware did not run\n");
 934                         ret = -EFAULT;
 935                         goto error;
 936                 } else {
 937                         dev->warm = true;
 938                 }
 939
 940                 cmd.args[0] = CMD_GET_FW_VERSION;
 941                 cmd.len = 1;
 942                 ret = tda10071_cmd_execute(dev, &cmd);
 943                 if (ret)
 944                         goto error;
 945
 946                 ret = regmap_bulk_read(dev->regmap, cmd.len, buf, 4);
 947                 if (ret)
 948                         goto error;
 949
 950                 dev_info(&client->dev, "firmware version %d.%d.%d.%d\n",
 951                          buf[0], buf[1], buf[2], buf[3]);
 952                 dev_info(&client->dev, "found a '%s' in warm state\n",
 953                          tda10071_ops.info.name);
 954
 955                 ret = regmap_bulk_read(dev->regmap, 0x81, buf, 2);
 956                 if (ret)
 957                         goto error;
 958
 959                 cmd.args[0] = CMD_DEMOD_INIT;
 960                 cmd.args[1] = ((dev->clk / 1000) >> 8) & 0xff;
 961                 cmd.args[2] = ((dev->clk / 1000) >> 0) & 0xff;
 962                 cmd.args[3] = buf[0];
 963                 cmd.args[4] = buf[1];
 964                 cmd.args[5] = dev->pll_multiplier;
 965                 cmd.args[6] = dev->spec_inv;
 966                 cmd.args[7] = 0x00;
 967                 cmd.len = 8;
 968                 ret = tda10071_cmd_execute(dev, &cmd);
 969                 if (ret)
 970                         goto error;
 971
 972                 if (dev->tuner_i2c_addr)
 973                         tmp = dev->tuner_i2c_addr;
 974                 else
 975                         tmp = 0x14;
 976
 977                 cmd.args[0] = CMD_TUNER_INIT;
 978                 cmd.args[1] = 0x00;
 979                 cmd.args[2] = 0x00;
 980                 cmd.args[3] = 0x00;
 981                 cmd.args[4] = 0x00;
 982                 cmd.args[5] = tmp;
 983                 cmd.args[6] = 0x00;
 984                 cmd.args[7] = 0x03;
 985                 cmd.args[8] = 0x02;
 986                 cmd.args[9] = 0x02;
 987                 cmd.args[10] = 0x00;
 988                 cmd.args[11] = 0x00;
 989                 cmd.args[12] = 0x00;
 990                 cmd.args[13] = 0x00;
 991                 cmd.args[14] = 0x00;
 992                 cmd.len = 15;
 993                 ret = tda10071_cmd_execute(dev, &cmd);
 994                 if (ret)
 995                         goto error;
 996
 997                 cmd.args[0] = CMD_MPEG_CONFIG;
 998                 cmd.args[1] = 0;
 999                 cmd.args[2] = dev->ts_mode;
1000                 cmd.args[3] = 0x00;
1001                 cmd.args[4] = 0x04;
1002                 cmd.args[5] = 0x00;
1003                 cmd.len = 6;
1004                 ret = tda10071_cmd_execute(dev, &cmd);
1005                 if (ret)
1006                         goto error;
1007
1008                 ret = regmap_update_bits(dev->regmap, 0xf0, 0x01, 0x01);
1009                 if (ret)
1010                         goto error;
1011
1012                 cmd.args[0] = CMD_LNB_CONFIG;
1013                 cmd.args[1] = 0;
1014                 cmd.args[2] = 150;
1015                 cmd.args[3] = 3;
1016                 cmd.args[4] = 22;
1017                 cmd.args[5] = 1;
1018                 cmd.args[6] = 1;
1019                 cmd.args[7] = 30;
1020                 cmd.args[8] = 30;
1021                 cmd.args[9] = 30;
1022                 cmd.args[10] = 30;
1023                 cmd.len = 11;
1024                 ret = tda10071_cmd_execute(dev, &cmd);
1025                 if (ret)
1026                         goto error;
1027
1028                 cmd.args[0] = CMD_BER_CONTROL;
1029                 cmd.args[1] = 0;
1030                 cmd.args[2] = 14;
1031                 cmd.args[3] = 14;
1032                 cmd.len = 4;
1033                 ret = tda10071_cmd_execute(dev, &cmd);
1034                 if (ret)
1035                         goto error;
1036         }
1037
1038         return ret;
1039 error_release_firmware:
1040         release_firmware(fw);
1041 error:
1042         dev_dbg(&client->dev, "failed=%d\n", ret);
1043         return ret;
1044 }
1045
1046 static int tda10071_sleep(struct dvb_frontend *fe)
1047 {
1048         struct tda10071_dev *dev = fe->demodulator_priv;
1049         struct i2c_client *client = dev->client;
1050         struct tda10071_cmd cmd;
1051         int ret, i;
1052         struct tda10071_reg_val_mask tab[] = {
1053                 { 0xcd, 0x07, 0x07 },
1054                 { 0x80, 0x02, 0x02 },
1055                 { 0xcd, 0xc0, 0xc0 },
1056                 { 0xce, 0x1b, 0x1b },
1057                 { 0x9d, 0x01, 0x01 },
1058                 { 0x9d, 0x02, 0x02 },
1059                 { 0x9e, 0x01, 0x01 },
1060                 { 0x87, 0x80, 0x80 },
1061                 { 0xce, 0x08, 0x08 },
1062                 { 0xce, 0x10, 0x10 },
1063         };
1064
1065         if (!dev->warm) {
1066                 ret = -EFAULT;
1067                 goto error;
1068         }
1069
1070         cmd.args[0] = CMD_SET_SLEEP_MODE;
1071         cmd.args[1] = 0;
1072         cmd.args[2] = 1;
1073         cmd.len = 3;
1074         ret = tda10071_cmd_execute(dev, &cmd);
1075         if (ret)
1076                 goto error;
1077
1078         for (i = 0; i < ARRAY_SIZE(tab); i++) {
1079                 ret = tda10071_wr_reg_mask(dev, tab[i].reg, tab[i].val,
1080                         tab[i].mask);
1081                 if (ret)
1082                         goto error;
1083         }
1084
1085         return ret;
1086 error:
1087         dev_dbg(&client->dev, "failed=%d\n", ret);
1088         return ret;
1089 }
1090
1091 static int tda10071_get_tune_settings(struct dvb_frontend *fe,
1092         struct dvb_frontend_tune_settings *s)
1093 {
1094         s->min_delay_ms = 8000;
1095         s->step_size = 0;
1096         s->max_drift = 0;
1097
1098         return 0;
1099 }
1100
1101 static struct dvb_frontend_ops tda10071_ops = {
1102         .delsys = { SYS_DVBS, SYS_DVBS2 },
1103         .info = {
1104                 .name = "NXP TDA10071",
1105                 .frequency_min = 950000,
1106                 .frequency_max = 2150000,
1107                 .frequency_tolerance = 5000,
1108                 .symbol_rate_min = 1000000,
1109                 .symbol_rate_max = 45000000,
1110                 .caps = FE_CAN_INVERSION_AUTO |
1111                         FE_CAN_FEC_1_2 |
1112                         FE_CAN_FEC_2_3 |
1113                         FE_CAN_FEC_3_4 |
1114                         FE_CAN_FEC_4_5 |
1115                         FE_CAN_FEC_5_6 |
1116                         FE_CAN_FEC_6_7 |
1117                         FE_CAN_FEC_7_8 |
1118                         FE_CAN_FEC_8_9 |
1119                         FE_CAN_FEC_AUTO |
1120                         FE_CAN_QPSK |
1121                         FE_CAN_RECOVER |
1122                         FE_CAN_2G_MODULATION
1123         },
1124
1125         .get_tune_settings = tda10071_get_tune_settings,
1126
1127         .init = tda10071_init,
1128         .sleep = tda10071_sleep,
1129
1130         .set_frontend = tda10071_set_frontend,
1131         .get_frontend = tda10071_get_frontend,
1132
1133         .read_status = tda10071_read_status,
1134         .read_snr = tda10071_read_snr,
1135         .read_signal_strength = tda10071_read_signal_strength,
1136         .read_ber = tda10071_read_ber,
1137         .read_ucblocks = tda10071_read_ucblocks,
1138
1139         .diseqc_send_master_cmd = tda10071_diseqc_send_master_cmd,
1140         .diseqc_recv_slave_reply = tda10071_diseqc_recv_slave_reply,
1141         .diseqc_send_burst = tda10071_diseqc_send_burst,
1142
1143         .set_tone = tda10071_set_tone,
1144         .set_voltage = tda10071_set_voltage,
1145 };
1146
1147 static struct dvb_frontend *tda10071_get_dvb_frontend(struct i2c_client *client)
1148 {
1149         struct tda10071_dev *dev = i2c_get_clientdata(client);
1150
1151         dev_dbg(&client->dev, "\n");
1152
1153         return &dev->fe;
1154 }
1155
1156 static int tda10071_probe(struct i2c_client *client,
1157                         const struct i2c_device_id *id)
1158 {
1159         struct tda10071_dev *dev;
1160         struct tda10071_platform_data *pdata = client->dev.platform_data;
1161         int ret;
1162         unsigned int uitmp;
1163         static const struct regmap_config regmap_config = {
1164                 .reg_bits = 8,
1165                 .val_bits = 8,
1166         };
1167
1168         dev = kzalloc(sizeof(*dev), GFP_KERNEL);
1169         if (!dev) {
1170                 ret = -ENOMEM;
1171                 goto err;
1172         }
1173
1174         dev->client = client;
1175         mutex_init(&dev->cmd_execute_mutex);
1176         dev->clk = pdata->clk;
1177         dev->i2c_wr_max = pdata->i2c_wr_max;
1178         dev->ts_mode = pdata->ts_mode;
1179         dev->spec_inv = pdata->spec_inv;
1180         dev->pll_multiplier = pdata->pll_multiplier;
1181         dev->tuner_i2c_addr = pdata->tuner_i2c_addr;
1182         dev->regmap = devm_regmap_init_i2c(client, &regmap_config);
1183         if (IS_ERR(dev->regmap)) {
1184                 ret = PTR_ERR(dev->regmap);
1185                 goto err_kfree;
1186         }
1187
1188         /* chip ID */
1189         ret = regmap_read(dev->regmap, 0xff, &uitmp);
1190         if (ret)
1191                 goto err_kfree;
1192         if (uitmp != 0x0f) {
1193                 ret = -ENODEV;
1194                 goto err_kfree;
1195         }
1196
1197         /* chip type */
1198         ret = regmap_read(dev->regmap, 0xdd, &uitmp);
1199         if (ret)
1200                 goto err_kfree;
1201         if (uitmp != 0x00) {
1202                 ret = -ENODEV;
1203                 goto err_kfree;
1204         }
1205
1206         /* chip version */
1207         ret = regmap_read(dev->regmap, 0xfe, &uitmp);
1208         if (ret)
1209                 goto err_kfree;
1210         if (uitmp != 0x01) {
1211                 ret = -ENODEV;
1212                 goto err_kfree;
1213         }
1214
1215         /* create dvb_frontend */
1216         memcpy(&dev->fe.ops, &tda10071_ops, sizeof(struct dvb_frontend_ops));
1217         dev->fe.demodulator_priv = dev;
1218         i2c_set_clientdata(client, dev);
1219
1220         /* setup callbacks */
1221         pdata->get_dvb_frontend = tda10071_get_dvb_frontend;
1222
1223         dev_info(&client->dev, "NXP TDA10071 successfully identified\n");
1224         return 0;
1225 err_kfree:
1226         kfree(dev);
1227 err:
1228         dev_dbg(&client->dev, "failed=%d\n", ret);
1229         return ret;
1230 }
1231
1232 static int tda10071_remove(struct i2c_client *client)
1233 {
1234         struct tda10071_dev *dev = i2c_get_clientdata(client);
1235
1236         dev_dbg(&client->dev, "\n");
1237
1238         kfree(dev);
1239         return 0;
1240 }
1241
1242 static const struct i2c_device_id tda10071_id_table[] = {
1243         {"tda10071_cx24118", 0},
1244         {}
1245 };
1246 MODULE_DEVICE_TABLE(i2c, tda10071_id_table);
1247
1248 static struct i2c_driver tda10071_driver = {
1249         .driver = {
1250                 .owner  = THIS_MODULE,
1251                 .name   = "tda10071",
1252                 .suppress_bind_attrs = true,
1253         },
1254         .probe          = tda10071_probe,
1255         .remove         = tda10071_remove,
1256         .id_table       = tda10071_id_table,
1257 };
1258
1259 module_i2c_driver(tda10071_driver);
1260
1261 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1262 MODULE_DESCRIPTION("NXP TDA10071 DVB-S/S2 demodulator driver");
1263 MODULE_LICENSE("GPL");
1264 MODULE_FIRMWARE(TDA10071_FIRMWARE);