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 <crope@iki.fi> 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 const struct i2c_device_id *id) 1150 { 1151 struct tda10071_dev *dev; 1152 struct tda10071_platform_data *pdata = client->dev.platform_data; 1153 int ret; 1154 unsigned int uitmp; 1155 static const struct regmap_config regmap_config = { 1156 .reg_bits = 8, 1157 .val_bits = 8, 1158 }; 1159 1160 dev = kzalloc(sizeof(*dev), GFP_KERNEL); 1161 if (!dev) { 1162 ret = -ENOMEM; 1163 goto err; 1164 } 1165 1166 dev->client = client; 1167 mutex_init(&dev->cmd_execute_mutex); 1168 dev->clk = pdata->clk; 1169 dev->i2c_wr_max = pdata->i2c_wr_max; 1170 dev->ts_mode = pdata->ts_mode; 1171 dev->spec_inv = pdata->spec_inv; 1172 dev->pll_multiplier = pdata->pll_multiplier; 1173 dev->tuner_i2c_addr = pdata->tuner_i2c_addr; 1174 dev->regmap = devm_regmap_init_i2c(client, ®map_config); 1175 if (IS_ERR(dev->regmap)) { 1176 ret = PTR_ERR(dev->regmap); 1177 goto err_kfree; 1178 } 1179 1180 /* chip ID */ 1181 ret = regmap_read(dev->regmap, 0xff, &uitmp); 1182 if (ret) 1183 goto err_kfree; 1184 if (uitmp != 0x0f) { 1185 ret = -ENODEV; 1186 goto err_kfree; 1187 } 1188 1189 /* chip type */ 1190 ret = regmap_read(dev->regmap, 0xdd, &uitmp); 1191 if (ret) 1192 goto err_kfree; 1193 if (uitmp != 0x00) { 1194 ret = -ENODEV; 1195 goto err_kfree; 1196 } 1197 1198 /* chip version */ 1199 ret = regmap_read(dev->regmap, 0xfe, &uitmp); 1200 if (ret) 1201 goto err_kfree; 1202 if (uitmp != 0x01) { 1203 ret = -ENODEV; 1204 goto err_kfree; 1205 } 1206 1207 /* create dvb_frontend */ 1208 memcpy(&dev->fe.ops, &tda10071_ops, sizeof(struct dvb_frontend_ops)); 1209 dev->fe.demodulator_priv = dev; 1210 i2c_set_clientdata(client, dev); 1211 1212 /* setup callbacks */ 1213 pdata->get_dvb_frontend = tda10071_get_dvb_frontend; 1214 1215 dev_info(&client->dev, "NXP TDA10071 successfully identified\n"); 1216 return 0; 1217 err_kfree: 1218 kfree(dev); 1219 err: 1220 dev_dbg(&client->dev, "failed=%d\n", ret); 1221 return ret; 1222 } 1223 1224 static int tda10071_remove(struct i2c_client *client) 1225 { 1226 struct tda10071_dev *dev = i2c_get_clientdata(client); 1227 1228 dev_dbg(&client->dev, "\n"); 1229 1230 kfree(dev); 1231 return 0; 1232 } 1233 1234 static const struct i2c_device_id tda10071_id_table[] = { 1235 {"tda10071_cx24118", 0}, 1236 {} 1237 }; 1238 MODULE_DEVICE_TABLE(i2c, tda10071_id_table); 1239 1240 static struct i2c_driver tda10071_driver = { 1241 .driver = { 1242 .name = "tda10071", 1243 .suppress_bind_attrs = true, 1244 }, 1245 .probe = tda10071_probe, 1246 .remove = tda10071_remove, 1247 .id_table = tda10071_id_table, 1248 }; 1249 1250 module_i2c_driver(tda10071_driver); 1251 1252 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); 1253 MODULE_DESCRIPTION("NXP TDA10071 DVB-S/S2 demodulator driver"); 1254 MODULE_LICENSE("GPL"); 1255 MODULE_FIRMWARE(TDA10071_FIRMWARE); 1256