drivers/media/dvb-frontends/tda10071.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * NXP TDA10071 + Conexant CX24118A DVB-S/S2 demodulator + tuner driver
   4  *
   5  * Copyright (C) 2011 Antti Palosaari <[email protected]>
   6  */
   7
   8 #include "tda10071_priv.h"
   9
  10 static const struct dvb_frontend_ops tda10071_ops;
  11
  12 /*
  13  * XXX: regmap_update_bits() does not fit our needs as it does not support
  14  * partially volatile registers. Also it performs register read even mask is as
  15  * wide as register value.
  16  */
  17 /* write single register with mask */
  18 static int tda10071_wr_reg_mask(struct tda10071_dev *dev,
  19                                 u8 reg, u8 val, u8 mask)
  20 {
  21         int ret;
  22         u8 tmp;
  23
  24         /* no need for read if whole reg is written */
  25         if (mask != 0xff) {
  26                 ret = regmap_bulk_read(dev->regmap, reg, &tmp, 1);
  27                 if (ret)
  28                         return ret;
  29
  30                 val &= mask;
  31                 tmp &= ~mask;
  32                 val |= tmp;
  33         }
  34
  35         return regmap_bulk_write(dev->regmap, reg, &val, 1);
  36 }
  37
  38 /* execute firmware command */
  39 static int tda10071_cmd_execute(struct tda10071_dev *dev,
  40         struct tda10071_cmd *cmd)
  41 {
  42         struct i2c_client *client = dev->client;
  43         int ret, i;
  44         unsigned int uitmp;
  45
  46         if (!dev->warm) {
  47                 ret = -EFAULT;
  48                 goto error;
  49         }
  50
  51         mutex_lock(&dev->cmd_execute_mutex);
  52
  53         /* write cmd and args for firmware */
  54         ret = regmap_bulk_write(dev->regmap, 0x00, cmd->args, cmd->len);
  55         if (ret)
  56                 goto error_mutex_unlock;
  57
  58         /* start cmd execution */
  59         ret = regmap_write(dev->regmap, 0x1f, 1);
  60         if (ret)
  61                 goto error_mutex_unlock;
  62
  63         /* wait cmd execution terminate */
  64         for (i = 1000, uitmp = 1; i && uitmp; i--) {
  65                 ret = regmap_read(dev->regmap, 0x1f, &uitmp);
  66                 if (ret)
  67                         goto error_mutex_unlock;
  68
  69                 usleep_range(200, 5000);
  70         }
  71
  72         mutex_unlock(&dev->cmd_execute_mutex);
  73         dev_dbg(&client->dev, "loop=%d\n", i);
  74
  75         if (i == 0) {
  76                 ret = -ETIMEDOUT;
  77                 goto error;
  78         }
  79
  80         return ret;
  81 error_mutex_unlock:
  82         mutex_unlock(&dev->cmd_execute_mutex);
  83 error:
  84         dev_dbg(&client->dev, "failed=%d\n", ret);
  85         return ret;
  86 }
  87
  88 static int tda10071_set_tone(struct dvb_frontend *fe,
  89         enum fe_sec_tone_mode fe_sec_tone_mode)
  90 {
  91         struct tda10071_dev *dev = fe->demodulator_priv;
  92         struct i2c_client *client = dev->client;
  93         struct tda10071_cmd cmd;
  94         int ret;
  95         u8 tone;
  96
  97         if (!dev->warm) {
  98                 ret = -EFAULT;
  99                 goto error;
 100         }
 101
 102         dev_dbg(&client->dev, "tone_mode=%d\n", fe_sec_tone_mode);
 103
 104         switch (fe_sec_tone_mode) {
 105         case SEC_TONE_ON:
 106                 tone = 1;
 107                 break;
 108         case SEC_TONE_OFF:
 109                 tone = 0;
 110                 break;
 111         default:
 112                 dev_dbg(&client->dev, "invalid fe_sec_tone_mode\n");
 113                 ret = -EINVAL;
 114                 goto error;
 115         }
 116
 117         cmd.args[0] = CMD_LNB_PCB_CONFIG;
 118         cmd.args[1] = 0;
 119         cmd.args[2] = 0x00;
 120         cmd.args[3] = 0x00;
 121         cmd.args[4] = tone;
 122         cmd.len = 5;
 123         ret = tda10071_cmd_execute(dev, &cmd);
 124         if (ret)
 125                 goto error;
 126
 127         return ret;
 128 error:
 129         dev_dbg(&client->dev, "failed=%d\n", ret);
 130         return ret;
 131 }
 132
 133 static int tda10071_set_voltage(struct dvb_frontend *fe,
 134         enum fe_sec_voltage fe_sec_voltage)
 135 {
 136         struct tda10071_dev *dev = fe->demodulator_priv;
 137         struct i2c_client *client = dev->client;
 138         struct tda10071_cmd cmd;
 139         int ret;
 140         u8 voltage;
 141
 142         if (!dev->warm) {
 143                 ret = -EFAULT;
 144                 goto error;
 145         }
 146
 147         dev_dbg(&client->dev, "voltage=%d\n", fe_sec_voltage);
 148
 149         switch (fe_sec_voltage) {
 150         case SEC_VOLTAGE_13:
 151                 voltage = 0;
 152                 break;
 153         case SEC_VOLTAGE_18:
 154                 voltage = 1;
 155                 break;
 156         case SEC_VOLTAGE_OFF:
 157                 voltage = 0;
 158                 break;
 159         default:
 160                 dev_dbg(&client->dev, "invalid fe_sec_voltage\n");
 161                 ret = -EINVAL;
 162                 goto error;
 163         }
 164
 165         cmd.args[0] = CMD_LNB_SET_DC_LEVEL;
 166         cmd.args[1] = 0;
 167         cmd.args[2] = voltage;
 168         cmd.len = 3;
 169         ret = tda10071_cmd_execute(dev, &cmd);
 170         if (ret)
 171                 goto error;
 172
 173         return ret;
 174 error:
 175         dev_dbg(&client->dev, "failed=%d\n", ret);
 176         return ret;
 177 }
 178
 179 static int tda10071_diseqc_send_master_cmd(struct dvb_frontend *fe,
 180         struct dvb_diseqc_master_cmd *diseqc_cmd)
 181 {
 182         struct tda10071_dev *dev = fe->demodulator_priv;
 183         struct i2c_client *client = dev->client;
 184         struct tda10071_cmd cmd;
 185         int ret, i;
 186         unsigned int uitmp;
 187
 188         if (!dev->warm) {
 189                 ret = -EFAULT;
 190                 goto error;
 191         }
 192
 193         dev_dbg(&client->dev, "msg_len=%d\n", diseqc_cmd->msg_len);
 194
 195         if (diseqc_cmd->msg_len < 3 || diseqc_cmd->msg_len > 6) {
 196                 ret = -EINVAL;
 197                 goto error;
 198         }
 199
 200         /* wait LNB TX */
 201         for (i = 500, uitmp = 0; i && !uitmp; i--) {
 202                 ret = regmap_read(dev->regmap, 0x47, &uitmp);
 203                 if (ret)
 204                         goto error;
 205                 uitmp = (uitmp >> 0) & 1;
 206                 usleep_range(10000, 20000);
 207         }
 208
 209         dev_dbg(&client->dev, "loop=%d\n", i);
 210
 211         if (i == 0) {
 212                 ret = -ETIMEDOUT;
 213                 goto error;
 214         }
 215
 216         ret = regmap_update_bits(dev->regmap, 0x47, 0x01, 0x00);
 217         if (ret)
 218                 goto error;
 219
 220         cmd.args[0] = CMD_LNB_SEND_DISEQC;
 221         cmd.args[1] = 0;
 222         cmd.args[2] = 0;
 223         cmd.args[3] = 0;
 224         cmd.args[4] = 2;
 225         cmd.args[5] = 0;
 226         cmd.args[6] = diseqc_cmd->msg_len;
 227         memcpy(&cmd.args[7], diseqc_cmd->msg, diseqc_cmd->msg_len);
 228         cmd.len = 7 + diseqc_cmd->msg_len;
 229         ret = tda10071_cmd_execute(dev, &cmd);
 230         if (ret)
 231                 goto error;
 232
 233         return ret;
 234 error:
 235         dev_dbg(&client->dev, "failed=%d\n", ret);
 236         return ret;
 237 }
 238
 239 static int tda10071_diseqc_recv_slave_reply(struct dvb_frontend *fe,
 240         struct dvb_diseqc_slave_reply *reply)
 241 {
 242         struct tda10071_dev *dev = fe->demodulator_priv;
 243         struct i2c_client *client = dev->client;
 244         struct tda10071_cmd cmd;
 245         int ret, i;
 246         unsigned int uitmp;
 247
 248         if (!dev->warm) {
 249                 ret = -EFAULT;
 250                 goto error;
 251         }
 252
 253         dev_dbg(&client->dev, "\n");
 254
 255         /* wait LNB RX */
 256         for (i = 500, uitmp = 0; i && !uitmp; i--) {
 257                 ret = regmap_read(dev->regmap, 0x47, &uitmp);
 258                 if (ret)
 259                         goto error;
 260                 uitmp = (uitmp >> 1) & 1;
 261                 usleep_range(10000, 20000);
 262         }
 263
 264         dev_dbg(&client->dev, "loop=%d\n", i);
 265
 266         if (i == 0) {
 267                 ret = -ETIMEDOUT;
 268                 goto error;
 269         }
 270
 271         /* reply len */
 272         ret = regmap_read(dev->regmap, 0x46, &uitmp);
 273         if (ret)
 274                 goto error;
 275
 276         reply->msg_len = uitmp & 0x1f; /* [4:0] */
 277         if (reply->msg_len > sizeof(reply->msg))
 278                 reply->msg_len = sizeof(reply->msg); /* truncate API max */
 279
 280         /* read reply */
 281         cmd.args[0] = CMD_LNB_UPDATE_REPLY;
 282         cmd.args[1] = 0;
 283         cmd.len = 2;
 284         ret = tda10071_cmd_execute(dev, &cmd);
 285         if (ret)
 286                 goto error;
 287
 288         ret = regmap_bulk_read(dev->regmap, cmd.len, reply->msg,
 289                                reply->msg_len);
 290         if (ret)
 291                 goto error;
 292
 293         return ret;
 294 error:
 295         dev_dbg(&client->dev, "failed=%d\n", ret);
 296         return ret;
 297 }
 298
 299 static int tda10071_diseqc_send_burst(struct dvb_frontend *fe,
 300         enum fe_sec_mini_cmd fe_sec_mini_cmd)
 301 {
 302         struct tda10071_dev *dev = fe->demodulator_priv;
 303         struct i2c_client *client = dev->client;
 304         struct tda10071_cmd cmd;
 305         int ret, i;
 306         unsigned int uitmp;
 307         u8 burst;
 308
 309         if (!dev->warm) {
 310                 ret = -EFAULT;
 311                 goto error;
 312         }
 313
 314         dev_dbg(&client->dev, "fe_sec_mini_cmd=%d\n", fe_sec_mini_cmd);
 315
 316         switch (fe_sec_mini_cmd) {
 317         case SEC_MINI_A:
 318                 burst = 0;
 319                 break;
 320         case SEC_MINI_B:
 321                 burst = 1;
 322                 break;
 323         default:
 324                 dev_dbg(&client->dev, "invalid fe_sec_mini_cmd\n");
 325                 ret = -EINVAL;
 326                 goto error;
 327         }
 328
 329         /* wait LNB TX */
 330         for (i = 500, uitmp = 0; i && !uitmp; i--) {
 331                 ret = regmap_read(dev->regmap, 0x47, &uitmp);
 332                 if (ret)
 333                         goto error;
 334                 uitmp = (uitmp >> 0) & 1;
 335                 usleep_range(10000, 20000);
 336         }
 337
 338         dev_dbg(&client->dev, "loop=%d\n", i);
 339
 340         if (i == 0) {
 341                 ret = -ETIMEDOUT;
 342                 goto error;
 343         }
 344
 345         ret = regmap_update_bits(dev->regmap, 0x47, 0x01, 0x00);
 346         if (ret)
 347                 goto error;
 348
 349         cmd.args[0] = CMD_LNB_SEND_TONEBURST;
 350         cmd.args[1] = 0;
 351         cmd.args[2] = burst;
 352         cmd.len = 3;
 353         ret = tda10071_cmd_execute(dev, &cmd);
 354         if (ret)
 355                 goto error;
 356
 357         return ret;
 358 error:
 359         dev_dbg(&client->dev, "failed=%d\n", ret);
 360         return ret;
 361 }
 362
 363 static int tda10071_read_status(struct dvb_frontend *fe, enum fe_status *status)
 364 {
 365         struct tda10071_dev *dev = fe->demodulator_priv;
 366         struct i2c_client *client = dev->client;
 367         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 368         struct tda10071_cmd cmd;
 369         int ret;
 370         unsigned int uitmp;
 371         u8 buf[8];
 372
 373         *status = 0;
 374
 375         if (!dev->warm) {
 376                 ret = 0;
 377                 goto error;
 378         }
 379
 380         ret = regmap_read(dev->regmap, 0x39, &uitmp);
 381         if (ret)
 382                 goto error;
 383
 384         /* 0x39[0] tuner PLL */
 385         if (uitmp & 0x02) /* demod PLL */
 386                 *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER;
 387         if (uitmp & 0x04) /* viterbi or LDPC*/
 388                 *status |= FE_HAS_VITERBI;
 389         if (uitmp & 0x08) /* RS or BCH */
 390                 *status |= FE_HAS_SYNC | FE_HAS_LOCK;
 391
 392         dev->fe_status = *status;
 393
 394         /* signal strength */
 395         if (dev->fe_status & FE_HAS_SIGNAL) {
 396                 cmd.args[0] = CMD_GET_AGCACC;
 397                 cmd.args[1] = 0;
 398                 cmd.len = 2;
 399                 ret = tda10071_cmd_execute(dev, &cmd);
 400                 if (ret)
 401                         goto error;
 402
 403                 /* input power estimate dBm */
 404                 ret = regmap_read(dev->regmap, 0x50, &uitmp);
 405                 if (ret)
 406                         goto error;
 407
 408                 c->strength.stat[0].scale = FE_SCALE_DECIBEL;
 409                 c->strength.stat[0].svalue = (int) (uitmp - 256) * 1000;
 410         } else {
 411                 c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
 412         }
 413
 414         /* CNR */
 415         if (dev->fe_status & FE_HAS_VITERBI) {
 416                 /* Es/No */
 417                 ret = regmap_bulk_read(dev->regmap, 0x3a, buf, 2);
 418                 if (ret)
 419                         goto error;
 420
 421                 c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
 422                 c->cnr.stat[0].svalue = (buf[0] << 8 | buf[1] << 0) * 100;
 423         } else {
 424                 c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
 425         }
 426
 427         /* UCB/PER/BER */
 428         if (dev->fe_status & FE_HAS_LOCK) {
 429                 /* TODO: report total bits/packets */
 430                 u8 delivery_system, reg, len;
 431
 432                 switch (dev->delivery_system) {
 433                 case SYS_DVBS:
 434                         reg = 0x4c;
 435                         len = 8;
 436                         delivery_system = 1;
 437                         break;
 438                 case SYS_DVBS2:
 439                         reg = 0x4d;
 440                         len = 4;
 441                         delivery_system = 0;
 442                         break;
 443                 default:
 444                         ret = -EINVAL;
 445                         goto error;
 446                 }
 447
 448                 ret = regmap_read(dev->regmap, reg, &uitmp);
 449                 if (ret)
 450                         goto error;
 451
 452                 if (dev->meas_count == uitmp) {
 453                         dev_dbg(&client->dev, "meas not ready=%02x\n", uitmp);
 454                         ret = 0;
 455                         goto error;
 456                 } else {
 457                         dev->meas_count = uitmp;
 458                 }
 459
 460                 cmd.args[0] = CMD_BER_UPDATE_COUNTERS;
 461                 cmd.args[1] = 0;
 462                 cmd.args[2] = delivery_system;
 463                 cmd.len = 3;
 464                 ret = tda10071_cmd_execute(dev, &cmd);
 465                 if (ret)
 466                         goto error;
 467
 468                 ret = regmap_bulk_read(dev->regmap, cmd.len, buf, len);
 469                 if (ret)
 470                         goto error;
 471
 472                 if (dev->delivery_system == SYS_DVBS) {
 473                         u32 bit_error = buf[0] << 24 | buf[1] << 16 |
 474                                         buf[2] << 8 | buf[3] << 0;
 475
 476                         dev->dvbv3_ber = bit_error;
 477                         dev->post_bit_error += bit_error;
 478                         c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
 479                         c->post_bit_error.stat[0].uvalue = dev->post_bit_error;
 480                         dev->block_error += buf[4] << 8 | buf[5] << 0;
 481                         c->block_error.stat[0].scale = FE_SCALE_COUNTER;
 482                         c->block_error.stat[0].uvalue = dev->block_error;
 483                 } else {
 484                         dev->dvbv3_ber = buf[0] << 8 | buf[1] << 0;
 485                         dev->post_bit_error += buf[0] << 8 | buf[1] << 0;
 486                         c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
 487                         c->post_bit_error.stat[0].uvalue = dev->post_bit_error;
 488                         c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
 489                 }
 490         } else {
 491                 c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
 492                 c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
 493         }
 494
 495         return ret;
 496 error:
 497         dev_dbg(&client->dev, "failed=%d\n", ret);
 498         return ret;
 499 }
 500
 501 static int tda10071_read_snr(struct dvb_frontend *fe, u16 *snr)
 502 {
 503         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 504
 505         if (c->cnr.stat[0].scale == FE_SCALE_DECIBEL)
 506                 *snr = div_s64(c->cnr.stat[0].svalue, 100);
 507         else
 508                 *snr = 0;
 509         return 0;
 510 }
 511
 512 static int tda10071_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
 513 {
 514         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 515         unsigned int uitmp;
 516
 517         if (c->strength.stat[0].scale == FE_SCALE_DECIBEL) {
 518                 uitmp = div_s64(c->strength.stat[0].svalue, 1000) + 256;
 519                 uitmp = clamp(uitmp, 181U, 236U); /* -75dBm - -20dBm */
 520                 /* scale value to 0x0000-0xffff */
 521                 *strength = (uitmp-181) * 0xffff / (236-181);
 522         } else {
 523                 *strength = 0;
 524         }
 525         return 0;
 526 }
 527
 528 static int tda10071_read_ber(struct dvb_frontend *fe, u32 *ber)
 529 {
 530         struct tda10071_dev *dev = fe->demodulator_priv;
 531
 532         *ber = dev->dvbv3_ber;
 533         return 0;
 534 }
 535
 536 static int tda10071_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
 537 {
 538         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 539
 540         if (c->block_error.stat[0].scale == FE_SCALE_COUNTER)
 541                 *ucblocks = c->block_error.stat[0].uvalue;
 542         else
 543                 *ucblocks = 0;
 544         return 0;
 545 }
 546
 547 static int tda10071_set_frontend(struct dvb_frontend *fe)
 548 {
 549         struct tda10071_dev *dev = fe->demodulator_priv;
 550         struct i2c_client *client = dev->client;
 551         struct tda10071_cmd cmd;
 552         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 553         int ret, i;
 554         u8 mode, rolloff, pilot, inversion, div;
 555         enum fe_modulation modulation;
 556
 557         dev_dbg(&client->dev,
 558                 "delivery_system=%d modulation=%d frequency=%u symbol_rate=%d inversion=%d pilot=%d rolloff=%d\n",
 559                 c->delivery_system, c->modulation, c->frequency, c->symbol_rate,
 560                 c->inversion, c->pilot, c->rolloff);
 561
 562         dev->delivery_system = SYS_UNDEFINED;
 563
 564         if (!dev->warm) {
 565                 ret = -EFAULT;
 566                 goto error;
 567         }
 568
 569         switch (c->inversion) {
 570         case INVERSION_OFF:
 571                 inversion = 1;
 572                 break;
 573         case INVERSION_ON:
 574                 inversion = 0;
 575                 break;
 576         case INVERSION_AUTO:
 577                 /* 2 = auto; try first on then off
 578                  * 3 = auto; try first off then on */
 579                 inversion = 3;
 580                 break;
 581         default:
 582                 dev_dbg(&client->dev, "invalid inversion\n");
 583                 ret = -EINVAL;
 584                 goto error;
 585         }
 586
 587         switch (c->delivery_system) {
 588         case SYS_DVBS:
 589                 modulation = QPSK;
 590                 rolloff = 0;
 591                 pilot = 2;
 592                 break;
 593         case SYS_DVBS2:
 594                 modulation = c->modulation;
 595
 596                 switch (c->rolloff) {
 597                 case ROLLOFF_20:
 598                         rolloff = 2;
 599                         break;
 600                 case ROLLOFF_25:
 601                         rolloff = 1;
 602                         break;
 603                 case ROLLOFF_35:
 604                         rolloff = 0;
 605                         break;
 606                 case ROLLOFF_AUTO:
 607                 default:
 608                         dev_dbg(&client->dev, "invalid rolloff\n");
 609                         ret = -EINVAL;
 610                         goto error;
 611                 }
 612
 613                 switch (c->pilot) {
 614                 case PILOT_OFF:
 615                         pilot = 0;
 616                         break;
 617                 case PILOT_ON:
 618                         pilot = 1;
 619                         break;
 620                 case PILOT_AUTO:
 621                         pilot = 2;
 622                         break;
 623                 default:
 624                         dev_dbg(&client->dev, "invalid pilot\n");
 625                         ret = -EINVAL;
 626                         goto error;
 627                 }
 628                 break;
 629         default:
 630                 dev_dbg(&client->dev, "invalid delivery_system\n");
 631                 ret = -EINVAL;
 632                 goto error;
 633         }
 634
 635         for (i = 0, mode = 0xff; i < ARRAY_SIZE(TDA10071_MODCOD); i++) {
 636                 if (c->delivery_system == TDA10071_MODCOD[i].delivery_system &&
 637                         modulation == TDA10071_MODCOD[i].modulation &&
 638                         c->fec_inner == TDA10071_MODCOD[i].fec) {
 639                         mode = TDA10071_MODCOD[i].val;
 640                         dev_dbg(&client->dev, "mode found=%02x\n", mode);
 641                         break;
 642                 }
 643         }
 644
 645         if (mode == 0xff) {
 646                 dev_dbg(&client->dev, "invalid parameter combination\n");
 647                 ret = -EINVAL;
 648                 goto error;
 649         }
 650
 651         if (c->symbol_rate <= 5000000)
 652                 div = 14;
 653         else
 654                 div = 4;
 655
 656         ret = regmap_write(dev->regmap, 0x81, div);
 657         if (ret)
 658                 goto error;
 659
 660         ret = regmap_write(dev->regmap, 0xe3, div);
 661         if (ret)
 662                 goto error;
 663
 664         cmd.args[0] = CMD_CHANGE_CHANNEL;
 665         cmd.args[1] = 0;
 666         cmd.args[2] = mode;
 667         cmd.args[3] = (c->frequency >> 16) & 0xff;
 668         cmd.args[4] = (c->frequency >>  8) & 0xff;
 669         cmd.args[5] = (c->frequency >>  0) & 0xff;
 670         cmd.args[6] = ((c->symbol_rate / 1000) >> 8) & 0xff;
 671         cmd.args[7] = ((c->symbol_rate / 1000) >> 0) & 0xff;
 672         cmd.args[8] = ((tda10071_ops.info.frequency_tolerance_hz / 1000) >> 8) & 0xff;
 673         cmd.args[9] = ((tda10071_ops.info.frequency_tolerance_hz / 1000) >> 0) & 0xff;
 674         cmd.args[10] = rolloff;
 675         cmd.args[11] = inversion;
 676         cmd.args[12] = pilot;
 677         cmd.args[13] = 0x00;
 678         cmd.args[14] = 0x00;
 679         cmd.len = 15;
 680         ret = tda10071_cmd_execute(dev, &cmd);
 681         if (ret)
 682                 goto error;
 683
 684         dev->delivery_system = c->delivery_system;
 685
 686         return ret;
 687 error:
 688         dev_dbg(&client->dev, "failed=%d\n", ret);
 689         return ret;
 690 }
 691
 692 static int tda10071_get_frontend(struct dvb_frontend *fe,
 693                                  struct dtv_frontend_properties *c)
 694 {
 695         struct tda10071_dev *dev = fe->demodulator_priv;
 696         struct i2c_client *client = dev->client;
 697         int ret, i;
 698         u8 buf[5], tmp;
 699
 700         if (!dev->warm || !(dev->fe_status & FE_HAS_LOCK)) {
 701                 ret = 0;
 702                 goto error;
 703         }
 704
 705         ret = regmap_bulk_read(dev->regmap, 0x30, buf, 5);
 706         if (ret)
 707                 goto error;
 708
 709         tmp = buf[0] & 0x3f;
 710         for (i = 0; i < ARRAY_SIZE(TDA10071_MODCOD); i++) {
 711                 if (tmp == TDA10071_MODCOD[i].val) {
 712                         c->modulation = TDA10071_MODCOD[i].modulation;
 713                         c->fec_inner = TDA10071_MODCOD[i].fec;
 714                         c->delivery_system = TDA10071_MODCOD[i].delivery_system;
 715                 }
 716         }
 717
 718         switch ((buf[1] >> 0) & 0x01) {
 719         case 0:
 720                 c->inversion = INVERSION_ON;
 721                 break;
 722         case 1:
 723                 c->inversion = INVERSION_OFF;
 724                 break;
 725         }
 726
 727         switch ((buf[1] >> 7) & 0x01) {
 728         case 0:
 729                 c->pilot = PILOT_OFF;
 730                 break;
 731         case 1:
 732                 c->pilot = PILOT_ON;
 733                 break;
 734         }
 735
 736         c->frequency = (buf[2] << 16) | (buf[3] << 8) | (buf[4] << 0);
 737
 738         ret = regmap_bulk_read(dev->regmap, 0x52, buf, 3);
 739         if (ret)
 740                 goto error;
 741
 742         c->symbol_rate = ((buf[0] << 16) | (buf[1] << 8) | (buf[2] << 0)) * 1000;
 743
 744         return ret;
 745 error:
 746         dev_dbg(&client->dev, "failed=%d\n", ret);
 747         return ret;
 748 }
 749
 750 static int tda10071_init(struct dvb_frontend *fe)
 751 {
 752         struct tda10071_dev *dev = fe->demodulator_priv;
 753         struct i2c_client *client = dev->client;
 754         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 755         struct tda10071_cmd cmd;
 756         int ret, i, len, remaining, fw_size;
 757         unsigned int uitmp;
 758         const struct firmware *fw;
 759         u8 *fw_file = TDA10071_FIRMWARE;
 760         u8 tmp, buf[4];
 761         struct tda10071_reg_val_mask tab[] = {
 762                 { 0xcd, 0x00, 0x07 },
 763                 { 0x80, 0x00, 0x02 },
 764                 { 0xcd, 0x00, 0xc0 },
 765                 { 0xce, 0x00, 0x1b },
 766                 { 0x9d, 0x00, 0x01 },
 767                 { 0x9d, 0x00, 0x02 },
 768                 { 0x9e, 0x00, 0x01 },
 769                 { 0x87, 0x00, 0x80 },
 770                 { 0xce, 0x00, 0x08 },
 771                 { 0xce, 0x00, 0x10 },
 772         };
 773         struct tda10071_reg_val_mask tab2[] = {
 774                 { 0xf1, 0x70, 0xff },
 775                 { 0x88, dev->pll_multiplier, 0x3f },
 776                 { 0x89, 0x00, 0x10 },
 777                 { 0x89, 0x10, 0x10 },
 778                 { 0xc0, 0x01, 0x01 },
 779                 { 0xc0, 0x00, 0x01 },
 780                 { 0xe0, 0xff, 0xff },
 781                 { 0xe0, 0x00, 0xff },
 782                 { 0x96, 0x1e, 0x7e },
 783                 { 0x8b, 0x08, 0x08 },
 784                 { 0x8b, 0x00, 0x08 },
 785                 { 0x8f, 0x1a, 0x7e },
 786                 { 0x8c, 0x68, 0xff },
 787                 { 0x8d, 0x08, 0xff },
 788                 { 0x8e, 0x4c, 0xff },
 789                 { 0x8f, 0x01, 0x01 },
 790                 { 0x8b, 0x04, 0x04 },
 791                 { 0x8b, 0x00, 0x04 },
 792                 { 0x87, 0x05, 0x07 },
 793                 { 0x80, 0x00, 0x20 },
 794                 { 0xc8, 0x01, 0xff },
 795                 { 0xb4, 0x47, 0xff },
 796                 { 0xb5, 0x9c, 0xff },
 797                 { 0xb6, 0x7d, 0xff },
 798                 { 0xba, 0x00, 0x03 },
 799                 { 0xb7, 0x47, 0xff },
 800                 { 0xb8, 0x9c, 0xff },
 801                 { 0xb9, 0x7d, 0xff },
 802                 { 0xba, 0x00, 0x0c },
 803                 { 0xc8, 0x00, 0xff },
 804                 { 0xcd, 0x00, 0x04 },
 805                 { 0xcd, 0x00, 0x20 },
 806                 { 0xe8, 0x02, 0xff },
 807                 { 0xcf, 0x20, 0xff },
 808                 { 0x9b, 0xd7, 0xff },
 809                 { 0x9a, 0x01, 0x03 },
 810                 { 0xa8, 0x05, 0x0f },
 811                 { 0xa8, 0x65, 0xf0 },
 812                 { 0xa6, 0xa0, 0xf0 },
 813                 { 0x9d, 0x50, 0xfc },
 814                 { 0x9e, 0x20, 0xe0 },
 815                 { 0xa3, 0x1c, 0x7c },
 816                 { 0xd5, 0x03, 0x03 },
 817         };
 818
 819         if (dev->warm) {
 820                 /* warm state - wake up device from sleep */
 821
 822                 for (i = 0; i < ARRAY_SIZE(tab); i++) {
 823                         ret = tda10071_wr_reg_mask(dev, tab[i].reg,
 824                                 tab[i].val, tab[i].mask);
 825                         if (ret)
 826                                 goto error;
 827                 }
 828
 829                 cmd.args[0] = CMD_SET_SLEEP_MODE;
 830                 cmd.args[1] = 0;
 831                 cmd.args[2] = 0;
 832                 cmd.len = 3;
 833                 ret = tda10071_cmd_execute(dev, &cmd);
 834                 if (ret)
 835                         goto error;
 836         } else {
 837                 /* cold state - try to download firmware */
 838
 839                 /* request the firmware, this will block and timeout */
 840                 ret = request_firmware(&fw, fw_file, &client->dev);
 841                 if (ret) {
 842                         dev_err(&client->dev,
 843                                 "did not find the firmware file '%s' (status %d). You can use <kernel_dir>/scripts/get_dvb_firmware to get the firmware\n",
 844                                 fw_file, ret);
 845                         goto error;
 846                 }
 847
 848                 /* init */
 849                 for (i = 0; i < ARRAY_SIZE(tab2); i++) {
 850                         ret = tda10071_wr_reg_mask(dev, tab2[i].reg,
 851                                 tab2[i].val, tab2[i].mask);
 852                         if (ret)
 853                                 goto error_release_firmware;
 854                 }
 855
 856                 /*  download firmware */
 857                 ret = regmap_write(dev->regmap, 0xe0, 0x7f);
 858                 if (ret)
 859                         goto error_release_firmware;
 860
 861                 ret = regmap_write(dev->regmap, 0xf7, 0x81);
 862                 if (ret)
 863                         goto error_release_firmware;
 864
 865                 ret = regmap_write(dev->regmap, 0xf8, 0x00);
 866                 if (ret)
 867                         goto error_release_firmware;
 868
 869                 ret = regmap_write(dev->regmap, 0xf9, 0x00);
 870                 if (ret)
 871                         goto error_release_firmware;
 872
 873                 dev_info(&client->dev,
 874                          "found a '%s' in cold state, will try to load a firmware\n",
 875                          tda10071_ops.info.name);
 876                 dev_info(&client->dev, "downloading firmware from file '%s'\n",
 877                          fw_file);
 878
 879                 /* do not download last byte */
 880                 fw_size = fw->size - 1;
 881
 882                 for (remaining = fw_size; remaining > 0;
 883                         remaining -= (dev->i2c_wr_max - 1)) {
 884                         len = remaining;
 885                         if (len > (dev->i2c_wr_max - 1))
 886                                 len = (dev->i2c_wr_max - 1);
 887
 888                         ret = regmap_bulk_write(dev->regmap, 0xfa,
 889                                 (u8 *) &fw->data[fw_size - remaining], len);
 890                         if (ret) {
 891                                 dev_err(&client->dev,
 892                                         "firmware download failed=%d\n", ret);
 893                                 goto error_release_firmware;
 894                         }
 895                 }
 896                 release_firmware(fw);
 897
 898                 ret = regmap_write(dev->regmap, 0xf7, 0x0c);
 899                 if (ret)
 900                         goto error;
 901
 902                 ret = regmap_write(dev->regmap, 0xe0, 0x00);
 903                 if (ret)
 904                         goto error;
 905
 906                 /* wait firmware start */
 907                 msleep(250);
 908
 909                 /* firmware status */
 910                 ret = regmap_read(dev->regmap, 0x51, &uitmp);
 911                 if (ret)
 912                         goto error;
 913
 914                 if (uitmp) {
 915                         dev_info(&client->dev, "firmware did not run\n");
 916                         ret = -EFAULT;
 917                         goto error;
 918                 } else {
 919                         dev->warm = true;
 920                 }
 921
 922                 cmd.args[0] = CMD_GET_FW_VERSION;
 923                 cmd.len = 1;
 924                 ret = tda10071_cmd_execute(dev, &cmd);
 925                 if (ret)
 926                         goto error;
 927
 928                 ret = regmap_bulk_read(dev->regmap, cmd.len, buf, 4);
 929                 if (ret)
 930                         goto error;
 931
 932                 dev_info(&client->dev, "firmware version %d.%d.%d.%d\n",
 933                          buf[0], buf[1], buf[2], buf[3]);
 934                 dev_info(&client->dev, "found a '%s' in warm state\n",
 935                          tda10071_ops.info.name);
 936
 937                 ret = regmap_bulk_read(dev->regmap, 0x81, buf, 2);
 938                 if (ret)
 939                         goto error;
 940
 941                 cmd.args[0] = CMD_DEMOD_INIT;
 942                 cmd.args[1] = ((dev->clk / 1000) >> 8) & 0xff;
 943                 cmd.args[2] = ((dev->clk / 1000) >> 0) & 0xff;
 944                 cmd.args[3] = buf[0];
 945                 cmd.args[4] = buf[1];
 946                 cmd.args[5] = dev->pll_multiplier;
 947                 cmd.args[6] = dev->spec_inv;
 948                 cmd.args[7] = 0x00;
 949                 cmd.len = 8;
 950                 ret = tda10071_cmd_execute(dev, &cmd);
 951                 if (ret)
 952                         goto error;
 953
 954                 if (dev->tuner_i2c_addr)
 955                         tmp = dev->tuner_i2c_addr;
 956                 else
 957                         tmp = 0x14;
 958
 959                 cmd.args[0] = CMD_TUNER_INIT;
 960                 cmd.args[1] = 0x00;
 961                 cmd.args[2] = 0x00;
 962                 cmd.args[3] = 0x00;
 963                 cmd.args[4] = 0x00;
 964                 cmd.args[5] = tmp;
 965                 cmd.args[6] = 0x00;
 966                 cmd.args[7] = 0x03;
 967                 cmd.args[8] = 0x02;
 968                 cmd.args[9] = 0x02;
 969                 cmd.args[10] = 0x00;
 970                 cmd.args[11] = 0x00;
 971                 cmd.args[12] = 0x00;
 972                 cmd.args[13] = 0x00;
 973                 cmd.args[14] = 0x00;
 974                 cmd.len = 15;
 975                 ret = tda10071_cmd_execute(dev, &cmd);
 976                 if (ret)
 977                         goto error;
 978
 979                 cmd.args[0] = CMD_MPEG_CONFIG;
 980                 cmd.args[1] = 0;
 981                 cmd.args[2] = dev->ts_mode;
 982                 cmd.args[3] = 0x00;
 983                 cmd.args[4] = 0x04;
 984                 cmd.args[5] = 0x00;
 985                 cmd.len = 6;
 986                 ret = tda10071_cmd_execute(dev, &cmd);
 987                 if (ret)
 988                         goto error;
 989
 990                 ret = regmap_update_bits(dev->regmap, 0xf0, 0x01, 0x01);
 991                 if (ret)
 992                         goto error;
 993
 994                 cmd.args[0] = CMD_LNB_CONFIG;
 995                 cmd.args[1] = 0;
 996                 cmd.args[2] = 150;
 997                 cmd.args[3] = 3;
 998                 cmd.args[4] = 22;
 999                 cmd.args[5] = 1;
1000                 cmd.args[6] = 1;
1001                 cmd.args[7] = 30;
1002                 cmd.args[8] = 30;
1003                 cmd.args[9] = 30;
1004                 cmd.args[10] = 30;
1005                 cmd.len = 11;
1006                 ret = tda10071_cmd_execute(dev, &cmd);
1007                 if (ret)
1008                         goto error;
1009
1010                 cmd.args[0] = CMD_BER_CONTROL;
1011                 cmd.args[1] = 0;
1012                 cmd.args[2] = 14;
1013                 cmd.args[3] = 14;
1014                 cmd.len = 4;
1015                 ret = tda10071_cmd_execute(dev, &cmd);
1016                 if (ret)
1017                         goto error;
1018         }
1019
1020         /* init stats here in order signal app which stats are supported */
1021         c->strength.len = 1;
1022         c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
1023         c->cnr.len = 1;
1024         c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
1025         c->post_bit_error.len = 1;
1026         c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
1027         c->block_error.len = 1;
1028         c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
1029
1030         return ret;
1031 error_release_firmware:
1032         release_firmware(fw);
1033 error:
1034         dev_dbg(&client->dev, "failed=%d\n", ret);
1035         return ret;
1036 }
1037
1038 static int tda10071_sleep(struct dvb_frontend *fe)
1039 {
1040         struct tda10071_dev *dev = fe->demodulator_priv;
1041         struct i2c_client *client = dev->client;
1042         struct tda10071_cmd cmd;
1043         int ret, i;
1044         struct tda10071_reg_val_mask tab[] = {
1045                 { 0xcd, 0x07, 0x07 },
1046                 { 0x80, 0x02, 0x02 },
1047                 { 0xcd, 0xc0, 0xc0 },
1048                 { 0xce, 0x1b, 0x1b },
1049                 { 0x9d, 0x01, 0x01 },
1050                 { 0x9d, 0x02, 0x02 },
1051                 { 0x9e, 0x01, 0x01 },
1052                 { 0x87, 0x80, 0x80 },
1053                 { 0xce, 0x08, 0x08 },
1054                 { 0xce, 0x10, 0x10 },
1055         };
1056
1057         if (!dev->warm) {
1058                 ret = -EFAULT;
1059                 goto error;
1060         }
1061
1062         cmd.args[0] = CMD_SET_SLEEP_MODE;
1063         cmd.args[1] = 0;
1064         cmd.args[2] = 1;
1065         cmd.len = 3;
1066         ret = tda10071_cmd_execute(dev, &cmd);
1067         if (ret)
1068                 goto error;
1069
1070         for (i = 0; i < ARRAY_SIZE(tab); i++) {
1071                 ret = tda10071_wr_reg_mask(dev, tab[i].reg, tab[i].val,
1072                         tab[i].mask);
1073                 if (ret)
1074                         goto error;
1075         }
1076
1077         return ret;
1078 error:
1079         dev_dbg(&client->dev, "failed=%d\n", ret);
1080         return ret;
1081 }
1082
1083 static int tda10071_get_tune_settings(struct dvb_frontend *fe,
1084         struct dvb_frontend_tune_settings *s)
1085 {
1086         s->min_delay_ms = 8000;
1087         s->step_size = 0;
1088         s->max_drift = 0;
1089
1090         return 0;
1091 }
1092
1093 static const struct dvb_frontend_ops tda10071_ops = {
1094         .delsys = { SYS_DVBS, SYS_DVBS2 },
1095         .info = {
1096                 .name = "NXP TDA10071",
1097                 .frequency_min_hz    =  950 * MHz,
1098                 .frequency_max_hz    = 2150 * MHz,
1099                 .frequency_tolerance_hz = 5 * MHz,
1100                 .symbol_rate_min = 1000000,
1101                 .symbol_rate_max = 45000000,
1102                 .caps = FE_CAN_INVERSION_AUTO |
1103                         FE_CAN_FEC_1_2 |
1104                         FE_CAN_FEC_2_3 |
1105                         FE_CAN_FEC_3_4 |
1106                         FE_CAN_FEC_4_5 |
1107                         FE_CAN_FEC_5_6 |
1108                         FE_CAN_FEC_6_7 |
1109                         FE_CAN_FEC_7_8 |
1110                         FE_CAN_FEC_8_9 |
1111                         FE_CAN_FEC_AUTO |
1112                         FE_CAN_QPSK |
1113                         FE_CAN_RECOVER |
1114                         FE_CAN_2G_MODULATION
1115         },
1116
1117         .get_tune_settings = tda10071_get_tune_settings,
1118
1119         .init = tda10071_init,
1120         .sleep = tda10071_sleep,
1121
1122         .set_frontend = tda10071_set_frontend,
1123         .get_frontend = tda10071_get_frontend,
1124
1125         .read_status = tda10071_read_status,
1126         .read_snr = tda10071_read_snr,
1127         .read_signal_strength = tda10071_read_signal_strength,
1128         .read_ber = tda10071_read_ber,
1129         .read_ucblocks = tda10071_read_ucblocks,
1130
1131         .diseqc_send_master_cmd = tda10071_diseqc_send_master_cmd,
1132         .diseqc_recv_slave_reply = tda10071_diseqc_recv_slave_reply,
1133         .diseqc_send_burst = tda10071_diseqc_send_burst,
1134
1135         .set_tone = tda10071_set_tone,
1136         .set_voltage = tda10071_set_voltage,
1137 };
1138
1139 static struct dvb_frontend *tda10071_get_dvb_frontend(struct i2c_client *client)
1140 {
1141         struct tda10071_dev *dev = i2c_get_clientdata(client);
1142
1143         dev_dbg(&client->dev, "\n");
1144
1145         return &dev->fe;
1146 }
1147
1148 static int tda10071_probe(struct i2c_client *client)
1149 {
1150         struct tda10071_dev *dev;
1151         struct tda10071_platform_data *pdata = client->dev.platform_data;
1152         int ret;
1153         unsigned int uitmp;
1154         static const struct regmap_config regmap_config = {
1155                 .reg_bits = 8,
1156                 .val_bits = 8,
1157         };
1158
1159         dev = kzalloc(sizeof(*dev), GFP_KERNEL);
1160         if (!dev) {
1161                 ret = -ENOMEM;
1162                 goto err;
1163         }
1164
1165         dev->client = client;
1166         mutex_init(&dev->cmd_execute_mutex);
1167         dev->clk = pdata->clk;
1168         dev->i2c_wr_max = pdata->i2c_wr_max;
1169         dev->ts_mode = pdata->ts_mode;
1170         dev->spec_inv = pdata->spec_inv;
1171         dev->pll_multiplier = pdata->pll_multiplier;
1172         dev->tuner_i2c_addr = pdata->tuner_i2c_addr;
1173         dev->regmap = devm_regmap_init_i2c(client, &regmap_config);
1174         if (IS_ERR(dev->regmap)) {
1175                 ret = PTR_ERR(dev->regmap);
1176                 goto err_kfree;
1177         }
1178
1179         /* chip ID */
1180         ret = regmap_read(dev->regmap, 0xff, &uitmp);
1181         if (ret)
1182                 goto err_kfree;
1183         if (uitmp != 0x0f) {
1184                 ret = -ENODEV;
1185                 goto err_kfree;
1186         }
1187
1188         /* chip type */
1189         ret = regmap_read(dev->regmap, 0xdd, &uitmp);
1190         if (ret)
1191                 goto err_kfree;
1192         if (uitmp != 0x00) {
1193                 ret = -ENODEV;
1194                 goto err_kfree;
1195         }
1196
1197         /* chip version */
1198         ret = regmap_read(dev->regmap, 0xfe, &uitmp);
1199         if (ret)
1200                 goto err_kfree;
1201         if (uitmp != 0x01) {
1202                 ret = -ENODEV;
1203                 goto err_kfree;
1204         }
1205
1206         /* create dvb_frontend */
1207         memcpy(&dev->fe.ops, &tda10071_ops, sizeof(struct dvb_frontend_ops));
1208         dev->fe.demodulator_priv = dev;
1209         i2c_set_clientdata(client, dev);
1210
1211         /* setup callbacks */
1212         pdata->get_dvb_frontend = tda10071_get_dvb_frontend;
1213
1214         dev_info(&client->dev, "NXP TDA10071 successfully identified\n");
1215         return 0;
1216 err_kfree:
1217         kfree(dev);
1218 err:
1219         dev_dbg(&client->dev, "failed=%d\n", ret);
1220         return ret;
1221 }
1222
1223 static void tda10071_remove(struct i2c_client *client)
1224 {
1225         struct tda10071_dev *dev = i2c_get_clientdata(client);
1226
1227         dev_dbg(&client->dev, "\n");
1228
1229         kfree(dev);
1230 }
1231
1232 static const struct i2c_device_id tda10071_id_table[] = {
1233         {"tda10071_cx24118", 0},
1234         {}
1235 };
1236 MODULE_DEVICE_TABLE(i2c, tda10071_id_table);
1237
1238 static struct i2c_driver tda10071_driver = {
1239         .driver = {
1240                 .name   = "tda10071",
1241                 .suppress_bind_attrs = true,
1242         },
1243         .probe          = tda10071_probe,
1244         .remove         = tda10071_remove,
1245         .id_table       = tda10071_id_table,
1246 };
1247
1248 module_i2c_driver(tda10071_driver);
1249
1250 MODULE_AUTHOR("Antti Palosaari <[email protected]>");
1251 MODULE_DESCRIPTION("NXP TDA10071 DVB-S/S2 demodulator driver");
1252 MODULE_LICENSE("GPL");
1253 MODULE_FIRMWARE(TDA10071_FIRMWARE);