kernel/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         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 381         struct tda10071_cmd cmd;
 382         int ret;
 383         unsigned int uitmp;
 384         u8 buf[8];
 385
 386         *status = 0;
 387
 388         if (!dev->warm) {
 389                 ret = 0;
 390                 goto error;
 391         }
 392
 393         ret = regmap_read(dev->regmap, 0x39, &uitmp);
 394         if (ret)
 395                 goto error;
 396
 397         /* 0x39[0] tuner PLL */
 398         if (uitmp & 0x02) /* demod PLL */
 399                 *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER;
 400         if (uitmp & 0x04) /* viterbi or LDPC*/
 401                 *status |= FE_HAS_VITERBI;
 402         if (uitmp & 0x08) /* RS or BCH */
 403                 *status |= FE_HAS_SYNC | FE_HAS_LOCK;
 404
 405         dev->fe_status = *status;
 406
 407         /* signal strength */
 408         if (dev->fe_status & FE_HAS_SIGNAL) {
 409                 cmd.args[0] = CMD_GET_AGCACC;
 410                 cmd.args[1] = 0;
 411                 cmd.len = 2;
 412                 ret = tda10071_cmd_execute(dev, &cmd);
 413                 if (ret)
 414                         goto error;
 415
 416                 /* input power estimate dBm */
 417                 ret = regmap_read(dev->regmap, 0x50, &uitmp);
 418                 if (ret)
 419                         goto error;
 420
 421                 c->strength.stat[0].scale = FE_SCALE_DECIBEL;
 422                 c->strength.stat[0].svalue = (int) (uitmp - 256) * 1000;
 423         } else {
 424                 c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
 425         }
 426
 427         /* CNR */
 428         if (dev->fe_status & FE_HAS_VITERBI) {
 429                 /* Es/No */
 430                 ret = regmap_bulk_read(dev->regmap, 0x3a, buf, 2);
 431                 if (ret)
 432                         goto error;
 433
 434                 c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
 435                 c->cnr.stat[0].svalue = (buf[0] << 8 | buf[1] << 0) * 100;
 436         } else {
 437                 c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
 438         }
 439
 440         /* UCB/PER/BER */
 441         if (dev->fe_status & FE_HAS_LOCK) {
 442                 /* TODO: report total bits/packets */
 443                 u8 delivery_system, reg, len;
 444
 445                 switch (dev->delivery_system) {
 446                 case SYS_DVBS:
 447                         reg = 0x4c;
 448                         len = 8;
 449                         delivery_system = 1;
 450                         break;
 451                 case SYS_DVBS2:
 452                         reg = 0x4d;
 453                         len = 4;
 454                         delivery_system = 0;
 455                         break;
 456                 default:
 457                         ret = -EINVAL;
 458                         goto error;
 459                 }
 460
 461                 ret = regmap_read(dev->regmap, reg, &uitmp);
 462                 if (ret)
 463                         goto error;
 464
 465                 if (dev->meas_count == uitmp) {
 466                         dev_dbg(&client->dev, "meas not ready=%02x\n", uitmp);
 467                         ret = 0;
 468                         goto error;
 469                 } else {
 470                         dev->meas_count = uitmp;
 471                 }
 472
 473                 cmd.args[0] = CMD_BER_UPDATE_COUNTERS;
 474                 cmd.args[1] = 0;
 475                 cmd.args[2] = delivery_system;
 476                 cmd.len = 3;
 477                 ret = tda10071_cmd_execute(dev, &cmd);
 478                 if (ret)
 479                         goto error;
 480
 481                 ret = regmap_bulk_read(dev->regmap, cmd.len, buf, len);
 482                 if (ret)
 483                         goto error;
 484
 485                 if (dev->delivery_system == SYS_DVBS) {
 486                         dev->dvbv3_ber = buf[0] << 24 | buf[1] << 16 |
 487                                          buf[2] << 8 | buf[3] << 0;
 488                         dev->post_bit_error += buf[0] << 24 | buf[1] << 16 |
 489                                                buf[2] << 8 | buf[3] << 0;
 490                         c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
 491                         c->post_bit_error.stat[0].uvalue = dev->post_bit_error;
 492                         dev->block_error += buf[4] << 8 | buf[5] << 0;
 493                         c->block_error.stat[0].scale = FE_SCALE_COUNTER;
 494                         c->block_error.stat[0].uvalue = dev->block_error;
 495                 } else {
 496                         dev->dvbv3_ber = buf[0] << 8 | buf[1] << 0;
 497                         dev->post_bit_error += buf[0] << 8 | buf[1] << 0;
 498                         c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
 499                         c->post_bit_error.stat[0].uvalue = dev->post_bit_error;
 500                         c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
 501                 }
 502         } else {
 503                 c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
 504                 c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
 505         }
 506
 507         return ret;
 508 error:
 509         dev_dbg(&client->dev, "failed=%d\n", ret);
 510         return ret;
 511 }
 512
 513 static int tda10071_read_snr(struct dvb_frontend *fe, u16 *snr)
 514 {
 515         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 516
 517         if (c->cnr.stat[0].scale == FE_SCALE_DECIBEL)
 518                 *snr = div_s64(c->cnr.stat[0].svalue, 100);
 519         else
 520                 *snr = 0;
 521         return 0;
 522 }
 523
 524 static int tda10071_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
 525 {
 526         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 527         unsigned int uitmp;
 528
 529         if (c->strength.stat[0].scale == FE_SCALE_DECIBEL) {
 530                 uitmp = div_s64(c->strength.stat[0].svalue, 1000) + 256;
 531                 uitmp = clamp(uitmp, 181U, 236U); /* -75dBm - -20dBm */
 532                 /* scale value to 0x0000-0xffff */
 533                 *strength = (uitmp-181) * 0xffff / (236-181);
 534         } else {
 535                 *strength = 0;
 536         }
 537         return 0;
 538 }
 539
 540 static int tda10071_read_ber(struct dvb_frontend *fe, u32 *ber)
 541 {
 542         struct tda10071_dev *dev = fe->demodulator_priv;
 543
 544         *ber = dev->dvbv3_ber;
 545         return 0;
 546 }
 547
 548 static int tda10071_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
 549 {
 550         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 551
 552         if (c->block_error.stat[0].scale == FE_SCALE_COUNTER)
 553                 *ucblocks = c->block_error.stat[0].uvalue;
 554         else
 555                 *ucblocks = 0;
 556         return 0;
 557 }
 558
 559 static int tda10071_set_frontend(struct dvb_frontend *fe)
 560 {
 561         struct tda10071_dev *dev = fe->demodulator_priv;
 562         struct i2c_client *client = dev->client;
 563         struct tda10071_cmd cmd;
 564         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 565         int ret, i;
 566         u8 mode, rolloff, pilot, inversion, div;
 567         enum fe_modulation modulation;
 568
 569         dev_dbg(&client->dev,
 570                 "delivery_system=%d modulation=%d frequency=%u symbol_rate=%d inversion=%d pilot=%d rolloff=%d\n",
 571                 c->delivery_system, c->modulation, c->frequency, c->symbol_rate,
 572                 c->inversion, c->pilot, c->rolloff);
 573
 574         dev->delivery_system = SYS_UNDEFINED;
 575
 576         if (!dev->warm) {
 577                 ret = -EFAULT;
 578                 goto error;
 579         }
 580
 581         switch (c->inversion) {
 582         case INVERSION_OFF:
 583                 inversion = 1;
 584                 break;
 585         case INVERSION_ON:
 586                 inversion = 0;
 587                 break;
 588         case INVERSION_AUTO:
 589                 /* 2 = auto; try first on then off
 590                  * 3 = auto; try first off then on */
 591                 inversion = 3;
 592                 break;
 593         default:
 594                 dev_dbg(&client->dev, "invalid inversion\n");
 595                 ret = -EINVAL;
 596                 goto error;
 597         }
 598
 599         switch (c->delivery_system) {
 600         case SYS_DVBS:
 601                 modulation = QPSK;
 602                 rolloff = 0;
 603                 pilot = 2;
 604                 break;
 605         case SYS_DVBS2:
 606                 modulation = c->modulation;
 607
 608                 switch (c->rolloff) {
 609                 case ROLLOFF_20:
 610                         rolloff = 2;
 611                         break;
 612                 case ROLLOFF_25:
 613                         rolloff = 1;
 614                         break;
 615                 case ROLLOFF_35:
 616                         rolloff = 0;
 617                         break;
 618                 case ROLLOFF_AUTO:
 619                 default:
 620                         dev_dbg(&client->dev, "invalid rolloff\n");
 621                         ret = -EINVAL;
 622                         goto error;
 623                 }
 624
 625                 switch (c->pilot) {
 626                 case PILOT_OFF:
 627                         pilot = 0;
 628                         break;
 629                 case PILOT_ON:
 630                         pilot = 1;
 631                         break;
 632                 case PILOT_AUTO:
 633                         pilot = 2;
 634                         break;
 635                 default:
 636                         dev_dbg(&client->dev, "invalid pilot\n");
 637                         ret = -EINVAL;
 638                         goto error;
 639                 }
 640                 break;
 641         default:
 642                 dev_dbg(&client->dev, "invalid delivery_system\n");
 643                 ret = -EINVAL;
 644                 goto error;
 645         }
 646
 647         for (i = 0, mode = 0xff; i < ARRAY_SIZE(TDA10071_MODCOD); i++) {
 648                 if (c->delivery_system == TDA10071_MODCOD[i].delivery_system &&
 649                         modulation == TDA10071_MODCOD[i].modulation &&
 650                         c->fec_inner == TDA10071_MODCOD[i].fec) {
 651                         mode = TDA10071_MODCOD[i].val;
 652                         dev_dbg(&client->dev, "mode found=%02x\n", mode);
 653                         break;
 654                 }
 655         }
 656
 657         if (mode == 0xff) {
 658                 dev_dbg(&client->dev, "invalid parameter combination\n");
 659                 ret = -EINVAL;
 660                 goto error;
 661         }
 662
 663         if (c->symbol_rate <= 5000000)
 664                 div = 14;
 665         else
 666                 div = 4;
 667
 668         ret = regmap_write(dev->regmap, 0x81, div);
 669         if (ret)
 670                 goto error;
 671
 672         ret = regmap_write(dev->regmap, 0xe3, div);
 673         if (ret)
 674                 goto error;
 675
 676         cmd.args[0] = CMD_CHANGE_CHANNEL;
 677         cmd.args[1] = 0;
 678         cmd.args[2] = mode;
 679         cmd.args[3] = (c->frequency >> 16) & 0xff;
 680         cmd.args[4] = (c->frequency >>  8) & 0xff;
 681         cmd.args[5] = (c->frequency >>  0) & 0xff;
 682         cmd.args[6] = ((c->symbol_rate / 1000) >> 8) & 0xff;
 683         cmd.args[7] = ((c->symbol_rate / 1000) >> 0) & 0xff;
 684         cmd.args[8] = (tda10071_ops.info.frequency_tolerance >> 8) & 0xff;
 685         cmd.args[9] = (tda10071_ops.info.frequency_tolerance >> 0) & 0xff;
 686         cmd.args[10] = rolloff;
 687         cmd.args[11] = inversion;
 688         cmd.args[12] = pilot;
 689         cmd.args[13] = 0x00;
 690         cmd.args[14] = 0x00;
 691         cmd.len = 15;
 692         ret = tda10071_cmd_execute(dev, &cmd);
 693         if (ret)
 694                 goto error;
 695
 696         dev->delivery_system = c->delivery_system;
 697
 698         return ret;
 699 error:
 700         dev_dbg(&client->dev, "failed=%d\n", ret);
 701         return ret;
 702 }
 703
 704 static int tda10071_get_frontend(struct dvb_frontend *fe)
 705 {
 706         struct tda10071_dev *dev = fe->demodulator_priv;
 707         struct i2c_client *client = dev->client;
 708         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 709         int ret, i;
 710         u8 buf[5], tmp;
 711
 712         if (!dev->warm || !(dev->fe_status & FE_HAS_LOCK)) {
 713                 ret = 0;
 714                 goto error;
 715         }
 716
 717         ret = regmap_bulk_read(dev->regmap, 0x30, buf, 5);
 718         if (ret)
 719                 goto error;
 720
 721         tmp = buf[0] & 0x3f;
 722         for (i = 0; i < ARRAY_SIZE(TDA10071_MODCOD); i++) {
 723                 if (tmp == TDA10071_MODCOD[i].val) {
 724                         c->modulation = TDA10071_MODCOD[i].modulation;
 725                         c->fec_inner = TDA10071_MODCOD[i].fec;
 726                         c->delivery_system = TDA10071_MODCOD[i].delivery_system;
 727                 }
 728         }
 729
 730         switch ((buf[1] >> 0) & 0x01) {
 731         case 0:
 732                 c->inversion = INVERSION_ON;
 733                 break;
 734         case 1:
 735                 c->inversion = INVERSION_OFF;
 736                 break;
 737         }
 738
 739         switch ((buf[1] >> 7) & 0x01) {
 740         case 0:
 741                 c->pilot = PILOT_OFF;
 742                 break;
 743         case 1:
 744                 c->pilot = PILOT_ON;
 745                 break;
 746         }
 747
 748         c->frequency = (buf[2] << 16) | (buf[3] << 8) | (buf[4] << 0);
 749
 750         ret = regmap_bulk_read(dev->regmap, 0x52, buf, 3);
 751         if (ret)
 752                 goto error;
 753
 754         c->symbol_rate = ((buf[0] << 16) | (buf[1] << 8) | (buf[2] << 0)) * 1000;
 755
 756         return ret;
 757 error:
 758         dev_dbg(&client->dev, "failed=%d\n", ret);
 759         return ret;
 760 }
 761
 762 static int tda10071_init(struct dvb_frontend *fe)
 763 {
 764         struct tda10071_dev *dev = fe->demodulator_priv;
 765         struct i2c_client *client = dev->client;
 766         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 767         struct tda10071_cmd cmd;
 768         int ret, i, len, remaining, fw_size;
 769         unsigned int uitmp;
 770         const struct firmware *fw;
 771         u8 *fw_file = TDA10071_FIRMWARE;
 772         u8 tmp, buf[4];
 773         struct tda10071_reg_val_mask tab[] = {
 774                 { 0xcd, 0x00, 0x07 },
 775                 { 0x80, 0x00, 0x02 },
 776                 { 0xcd, 0x00, 0xc0 },
 777                 { 0xce, 0x00, 0x1b },
 778                 { 0x9d, 0x00, 0x01 },
 779                 { 0x9d, 0x00, 0x02 },
 780                 { 0x9e, 0x00, 0x01 },
 781                 { 0x87, 0x00, 0x80 },
 782                 { 0xce, 0x00, 0x08 },
 783                 { 0xce, 0x00, 0x10 },
 784         };
 785         struct tda10071_reg_val_mask tab2[] = {
 786                 { 0xf1, 0x70, 0xff },
 787                 { 0x88, dev->pll_multiplier, 0x3f },
 788                 { 0x89, 0x00, 0x10 },
 789                 { 0x89, 0x10, 0x10 },
 790                 { 0xc0, 0x01, 0x01 },
 791                 { 0xc0, 0x00, 0x01 },
 792                 { 0xe0, 0xff, 0xff },
 793                 { 0xe0, 0x00, 0xff },
 794                 { 0x96, 0x1e, 0x7e },
 795                 { 0x8b, 0x08, 0x08 },
 796                 { 0x8b, 0x00, 0x08 },
 797                 { 0x8f, 0x1a, 0x7e },
 798                 { 0x8c, 0x68, 0xff },
 799                 { 0x8d, 0x08, 0xff },
 800                 { 0x8e, 0x4c, 0xff },
 801                 { 0x8f, 0x01, 0x01 },
 802                 { 0x8b, 0x04, 0x04 },
 803                 { 0x8b, 0x00, 0x04 },
 804                 { 0x87, 0x05, 0x07 },
 805                 { 0x80, 0x00, 0x20 },
 806                 { 0xc8, 0x01, 0xff },
 807                 { 0xb4, 0x47, 0xff },
 808                 { 0xb5, 0x9c, 0xff },
 809                 { 0xb6, 0x7d, 0xff },
 810                 { 0xba, 0x00, 0x03 },
 811                 { 0xb7, 0x47, 0xff },
 812                 { 0xb8, 0x9c, 0xff },
 813                 { 0xb9, 0x7d, 0xff },
 814                 { 0xba, 0x00, 0x0c },
 815                 { 0xc8, 0x00, 0xff },
 816                 { 0xcd, 0x00, 0x04 },
 817                 { 0xcd, 0x00, 0x20 },
 818                 { 0xe8, 0x02, 0xff },
 819                 { 0xcf, 0x20, 0xff },
 820                 { 0x9b, 0xd7, 0xff },
 821                 { 0x9a, 0x01, 0x03 },
 822                 { 0xa8, 0x05, 0x0f },
 823                 { 0xa8, 0x65, 0xf0 },
 824                 { 0xa6, 0xa0, 0xf0 },
 825                 { 0x9d, 0x50, 0xfc },
 826                 { 0x9e, 0x20, 0xe0 },
 827                 { 0xa3, 0x1c, 0x7c },
 828                 { 0xd5, 0x03, 0x03 },
 829         };
 830
 831         if (dev->warm) {
 832                 /* warm state - wake up device from sleep */
 833
 834                 for (i = 0; i < ARRAY_SIZE(tab); i++) {
 835                         ret = tda10071_wr_reg_mask(dev, tab[i].reg,
 836                                 tab[i].val, tab[i].mask);
 837                         if (ret)
 838                                 goto error;
 839                 }
 840
 841                 cmd.args[0] = CMD_SET_SLEEP_MODE;
 842                 cmd.args[1] = 0;
 843                 cmd.args[2] = 0;
 844                 cmd.len = 3;
 845                 ret = tda10071_cmd_execute(dev, &cmd);
 846                 if (ret)
 847                         goto error;
 848         } else {
 849                 /* cold state - try to download firmware */
 850
 851                 /* request the firmware, this will block and timeout */
 852                 ret = request_firmware(&fw, fw_file, &client->dev);
 853                 if (ret) {
 854                         dev_err(&client->dev,
 855                                 "did not find the firmware file. (%s) Please see linux/Documentation/dvb/ for more details on firmware-problems. (%d)\n",
 856                                 fw_file, ret);
 857                         goto error;
 858                 }
 859
 860                 /* init */
 861                 for (i = 0; i < ARRAY_SIZE(tab2); i++) {
 862                         ret = tda10071_wr_reg_mask(dev, tab2[i].reg,
 863                                 tab2[i].val, tab2[i].mask);
 864                         if (ret)
 865                                 goto error_release_firmware;
 866                 }
 867
 868                 /*  download firmware */
 869                 ret = regmap_write(dev->regmap, 0xe0, 0x7f);
 870                 if (ret)
 871                         goto error_release_firmware;
 872
 873                 ret = regmap_write(dev->regmap, 0xf7, 0x81);
 874                 if (ret)
 875                         goto error_release_firmware;
 876
 877                 ret = regmap_write(dev->regmap, 0xf8, 0x00);
 878                 if (ret)
 879                         goto error_release_firmware;
 880
 881                 ret = regmap_write(dev->regmap, 0xf9, 0x00);
 882                 if (ret)
 883                         goto error_release_firmware;
 884
 885                 dev_info(&client->dev,
 886                          "found a '%s' in cold state, will try to load a firmware\n",
 887                          tda10071_ops.info.name);
 888                 dev_info(&client->dev, "downloading firmware from file '%s'\n",
 889                          fw_file);
 890
 891                 /* do not download last byte */
 892                 fw_size = fw->size - 1;
 893
 894                 for (remaining = fw_size; remaining > 0;
 895                         remaining -= (dev->i2c_wr_max - 1)) {
 896                         len = remaining;
 897                         if (len > (dev->i2c_wr_max - 1))
 898                                 len = (dev->i2c_wr_max - 1);
 899
 900                         ret = regmap_bulk_write(dev->regmap, 0xfa,
 901                                 (u8 *) &fw->data[fw_size - remaining], len);
 902                         if (ret) {
 903                                 dev_err(&client->dev,
 904                                         "firmware download failed=%d\n", ret);
 905                                 goto error_release_firmware;
 906                         }
 907                 }
 908                 release_firmware(fw);
 909
 910                 ret = regmap_write(dev->regmap, 0xf7, 0x0c);
 911                 if (ret)
 912                         goto error;
 913
 914                 ret = regmap_write(dev->regmap, 0xe0, 0x00);
 915                 if (ret)
 916                         goto error;
 917
 918                 /* wait firmware start */
 919                 msleep(250);
 920
 921                 /* firmware status */
 922                 ret = regmap_read(dev->regmap, 0x51, &uitmp);
 923                 if (ret)
 924                         goto error;
 925
 926                 if (uitmp) {
 927                         dev_info(&client->dev, "firmware did not run\n");
 928                         ret = -EFAULT;
 929                         goto error;
 930                 } else {
 931                         dev->warm = true;
 932                 }
 933
 934                 cmd.args[0] = CMD_GET_FW_VERSION;
 935                 cmd.len = 1;
 936                 ret = tda10071_cmd_execute(dev, &cmd);
 937                 if (ret)
 938                         goto error;
 939
 940                 ret = regmap_bulk_read(dev->regmap, cmd.len, buf, 4);
 941                 if (ret)
 942                         goto error;
 943
 944                 dev_info(&client->dev, "firmware version %d.%d.%d.%d\n",
 945                          buf[0], buf[1], buf[2], buf[3]);
 946                 dev_info(&client->dev, "found a '%s' in warm state\n",
 947                          tda10071_ops.info.name);
 948
 949                 ret = regmap_bulk_read(dev->regmap, 0x81, buf, 2);
 950                 if (ret)
 951                         goto error;
 952
 953                 cmd.args[0] = CMD_DEMOD_INIT;
 954                 cmd.args[1] = ((dev->clk / 1000) >> 8) & 0xff;
 955                 cmd.args[2] = ((dev->clk / 1000) >> 0) & 0xff;
 956                 cmd.args[3] = buf[0];
 957                 cmd.args[4] = buf[1];
 958                 cmd.args[5] = dev->pll_multiplier;
 959                 cmd.args[6] = dev->spec_inv;
 960                 cmd.args[7] = 0x00;
 961                 cmd.len = 8;
 962                 ret = tda10071_cmd_execute(dev, &cmd);
 963                 if (ret)
 964                         goto error;
 965
 966                 if (dev->tuner_i2c_addr)
 967                         tmp = dev->tuner_i2c_addr;
 968                 else
 969                         tmp = 0x14;
 970
 971                 cmd.args[0] = CMD_TUNER_INIT;
 972                 cmd.args[1] = 0x00;
 973                 cmd.args[2] = 0x00;
 974                 cmd.args[3] = 0x00;
 975                 cmd.args[4] = 0x00;
 976                 cmd.args[5] = tmp;
 977                 cmd.args[6] = 0x00;
 978                 cmd.args[7] = 0x03;
 979                 cmd.args[8] = 0x02;
 980                 cmd.args[9] = 0x02;
 981                 cmd.args[10] = 0x00;
 982                 cmd.args[11] = 0x00;
 983                 cmd.args[12] = 0x00;
 984                 cmd.args[13] = 0x00;
 985                 cmd.args[14] = 0x00;
 986                 cmd.len = 15;
 987                 ret = tda10071_cmd_execute(dev, &cmd);
 988                 if (ret)
 989                         goto error;
 990
 991                 cmd.args[0] = CMD_MPEG_CONFIG;
 992                 cmd.args[1] = 0;
 993                 cmd.args[2] = dev->ts_mode;
 994                 cmd.args[3] = 0x00;
 995                 cmd.args[4] = 0x04;
 996                 cmd.args[5] = 0x00;
 997                 cmd.len = 6;
 998                 ret = tda10071_cmd_execute(dev, &cmd);
 999                 if (ret)
1000                         goto error;
1001
1002                 ret = regmap_update_bits(dev->regmap, 0xf0, 0x01, 0x01);
1003                 if (ret)
1004                         goto error;
1005
1006                 cmd.args[0] = CMD_LNB_CONFIG;
1007                 cmd.args[1] = 0;
1008                 cmd.args[2] = 150;
1009                 cmd.args[3] = 3;
1010                 cmd.args[4] = 22;
1011                 cmd.args[5] = 1;
1012                 cmd.args[6] = 1;
1013                 cmd.args[7] = 30;
1014                 cmd.args[8] = 30;
1015                 cmd.args[9] = 30;
1016                 cmd.args[10] = 30;
1017                 cmd.len = 11;
1018                 ret = tda10071_cmd_execute(dev, &cmd);
1019                 if (ret)
1020                         goto error;
1021
1022                 cmd.args[0] = CMD_BER_CONTROL;
1023                 cmd.args[1] = 0;
1024                 cmd.args[2] = 14;
1025                 cmd.args[3] = 14;
1026                 cmd.len = 4;
1027                 ret = tda10071_cmd_execute(dev, &cmd);
1028                 if (ret)
1029                         goto error;
1030         }
1031
1032         /* init stats here in order signal app which stats are supported */
1033         c->strength.len = 1;
1034         c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
1035         c->cnr.len = 1;
1036         c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
1037         c->post_bit_error.len = 1;
1038         c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
1039         c->block_error.len = 1;
1040         c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
1041
1042         return ret;
1043 error_release_firmware:
1044         release_firmware(fw);
1045 error:
1046         dev_dbg(&client->dev, "failed=%d\n", ret);
1047         return ret;
1048 }
1049
1050 static int tda10071_sleep(struct dvb_frontend *fe)
1051 {
1052         struct tda10071_dev *dev = fe->demodulator_priv;
1053         struct i2c_client *client = dev->client;
1054         struct tda10071_cmd cmd;
1055         int ret, i;
1056         struct tda10071_reg_val_mask tab[] = {
1057                 { 0xcd, 0x07, 0x07 },
1058                 { 0x80, 0x02, 0x02 },
1059                 { 0xcd, 0xc0, 0xc0 },
1060                 { 0xce, 0x1b, 0x1b },
1061                 { 0x9d, 0x01, 0x01 },
1062                 { 0x9d, 0x02, 0x02 },
1063                 { 0x9e, 0x01, 0x01 },
1064                 { 0x87, 0x80, 0x80 },
1065                 { 0xce, 0x08, 0x08 },
1066                 { 0xce, 0x10, 0x10 },
1067         };
1068
1069         if (!dev->warm) {
1070                 ret = -EFAULT;
1071                 goto error;
1072         }
1073
1074         cmd.args[0] = CMD_SET_SLEEP_MODE;
1075         cmd.args[1] = 0;
1076         cmd.args[2] = 1;
1077         cmd.len = 3;
1078         ret = tda10071_cmd_execute(dev, &cmd);
1079         if (ret)
1080                 goto error;
1081
1082         for (i = 0; i < ARRAY_SIZE(tab); i++) {
1083                 ret = tda10071_wr_reg_mask(dev, tab[i].reg, tab[i].val,
1084                         tab[i].mask);
1085                 if (ret)
1086                         goto error;
1087         }
1088
1089         return ret;
1090 error:
1091         dev_dbg(&client->dev, "failed=%d\n", ret);
1092         return ret;
1093 }
1094
1095 static int tda10071_get_tune_settings(struct dvb_frontend *fe,
1096         struct dvb_frontend_tune_settings *s)
1097 {
1098         s->min_delay_ms = 8000;
1099         s->step_size = 0;
1100         s->max_drift = 0;
1101
1102         return 0;
1103 }
1104
1105 static struct dvb_frontend_ops tda10071_ops = {
1106         .delsys = { SYS_DVBS, SYS_DVBS2 },
1107         .info = {
1108                 .name = "NXP TDA10071",
1109                 .frequency_min = 950000,
1110                 .frequency_max = 2150000,
1111                 .frequency_tolerance = 5000,
1112                 .symbol_rate_min = 1000000,
1113                 .symbol_rate_max = 45000000,
1114                 .caps = FE_CAN_INVERSION_AUTO |
1115                         FE_CAN_FEC_1_2 |
1116                         FE_CAN_FEC_2_3 |
1117                         FE_CAN_FEC_3_4 |
1118                         FE_CAN_FEC_4_5 |
1119                         FE_CAN_FEC_5_6 |
1120                         FE_CAN_FEC_6_7 |
1121                         FE_CAN_FEC_7_8 |
1122                         FE_CAN_FEC_8_9 |
1123                         FE_CAN_FEC_AUTO |
1124                         FE_CAN_QPSK |
1125                         FE_CAN_RECOVER |
1126                         FE_CAN_2G_MODULATION
1127         },
1128
1129         .get_tune_settings = tda10071_get_tune_settings,
1130
1131         .init = tda10071_init,
1132         .sleep = tda10071_sleep,
1133
1134         .set_frontend = tda10071_set_frontend,
1135         .get_frontend = tda10071_get_frontend,
1136
1137         .read_status = tda10071_read_status,
1138         .read_snr = tda10071_read_snr,
1139         .read_signal_strength = tda10071_read_signal_strength,
1140         .read_ber = tda10071_read_ber,
1141         .read_ucblocks = tda10071_read_ucblocks,
1142
1143         .diseqc_send_master_cmd = tda10071_diseqc_send_master_cmd,
1144         .diseqc_recv_slave_reply = tda10071_diseqc_recv_slave_reply,
1145         .diseqc_send_burst = tda10071_diseqc_send_burst,
1146
1147         .set_tone = tda10071_set_tone,
1148         .set_voltage = tda10071_set_voltage,
1149 };
1150
1151 static struct dvb_frontend *tda10071_get_dvb_frontend(struct i2c_client *client)
1152 {
1153         struct tda10071_dev *dev = i2c_get_clientdata(client);
1154
1155         dev_dbg(&client->dev, "\n");
1156
1157         return &dev->fe;
1158 }
1159
1160 static int tda10071_probe(struct i2c_client *client,
1161                         const struct i2c_device_id *id)
1162 {
1163         struct tda10071_dev *dev;
1164         struct tda10071_platform_data *pdata = client->dev.platform_data;
1165         int ret;
1166         unsigned int uitmp;
1167         static const struct regmap_config regmap_config = {
1168                 .reg_bits = 8,
1169                 .val_bits = 8,
1170         };
1171
1172         dev = kzalloc(sizeof(*dev), GFP_KERNEL);
1173         if (!dev) {
1174                 ret = -ENOMEM;
1175                 goto err;
1176         }
1177
1178         dev->client = client;
1179         mutex_init(&dev->cmd_execute_mutex);
1180         dev->clk = pdata->clk;
1181         dev->i2c_wr_max = pdata->i2c_wr_max;
1182         dev->ts_mode = pdata->ts_mode;
1183         dev->spec_inv = pdata->spec_inv;
1184         dev->pll_multiplier = pdata->pll_multiplier;
1185         dev->tuner_i2c_addr = pdata->tuner_i2c_addr;
1186         dev->regmap = devm_regmap_init_i2c(client, &regmap_config);
1187         if (IS_ERR(dev->regmap)) {
1188                 ret = PTR_ERR(dev->regmap);
1189                 goto err_kfree;
1190         }
1191
1192         /* chip ID */
1193         ret = regmap_read(dev->regmap, 0xff, &uitmp);
1194         if (ret)
1195                 goto err_kfree;
1196         if (uitmp != 0x0f) {
1197                 ret = -ENODEV;
1198                 goto err_kfree;
1199         }
1200
1201         /* chip type */
1202         ret = regmap_read(dev->regmap, 0xdd, &uitmp);
1203         if (ret)
1204                 goto err_kfree;
1205         if (uitmp != 0x00) {
1206                 ret = -ENODEV;
1207                 goto err_kfree;
1208         }
1209
1210         /* chip version */
1211         ret = regmap_read(dev->regmap, 0xfe, &uitmp);
1212         if (ret)
1213                 goto err_kfree;
1214         if (uitmp != 0x01) {
1215                 ret = -ENODEV;
1216                 goto err_kfree;
1217         }
1218
1219         /* create dvb_frontend */
1220         memcpy(&dev->fe.ops, &tda10071_ops, sizeof(struct dvb_frontend_ops));
1221         dev->fe.demodulator_priv = dev;
1222         i2c_set_clientdata(client, dev);
1223
1224         /* setup callbacks */
1225         pdata->get_dvb_frontend = tda10071_get_dvb_frontend;
1226
1227         dev_info(&client->dev, "NXP TDA10071 successfully identified\n");
1228         return 0;
1229 err_kfree:
1230         kfree(dev);
1231 err:
1232         dev_dbg(&client->dev, "failed=%d\n", ret);
1233         return ret;
1234 }
1235
1236 static int tda10071_remove(struct i2c_client *client)
1237 {
1238         struct tda10071_dev *dev = i2c_get_clientdata(client);
1239
1240         dev_dbg(&client->dev, "\n");
1241
1242         kfree(dev);
1243         return 0;
1244 }
1245
1246 static const struct i2c_device_id tda10071_id_table[] = {
1247         {"tda10071_cx24118", 0},
1248         {}
1249 };
1250 MODULE_DEVICE_TABLE(i2c, tda10071_id_table);
1251
1252 static struct i2c_driver tda10071_driver = {
1253         .driver = {
1254                 .name   = "tda10071",
1255                 .suppress_bind_attrs = true,
1256         },
1257         .probe          = tda10071_probe,
1258         .remove         = tda10071_remove,
1259         .id_table       = tda10071_id_table,
1260 };
1261
1262 module_i2c_driver(tda10071_driver);
1263
1264 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1265 MODULE_DESCRIPTION("NXP TDA10071 DVB-S/S2 demodulator driver");
1266 MODULE_LICENSE("GPL");
1267 MODULE_FIRMWARE(TDA10071_FIRMWARE);