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 /* write multiple registers */ 26 static int tda10071_wr_regs(struct tda10071_priv *priv, u8 reg, u8 *val, 27 int len) 28 { 29 int ret; 30 u8 buf[len+1]; 31 struct i2c_msg msg[1] = { 32 { 33 .addr = priv->cfg.demod_i2c_addr, 34 .flags = 0, 35 .len = sizeof(buf), 36 .buf = buf, 37 } 38 }; 39 40 buf[0] = reg; 41 memcpy(&buf[1], val, len); 42 43 ret = i2c_transfer(priv->i2c, msg, 1); 44 if (ret == 1) { 45 ret = 0; 46 } else { 47 dev_warn(&priv->i2c->dev, "%s: i2c wr failed=%d reg=%02x " \ 48 "len=%d\n", KBUILD_MODNAME, ret, reg, len); 49 ret = -EREMOTEIO; 50 } 51 return ret; 52 } 53 54 /* read multiple registers */ 55 static int tda10071_rd_regs(struct tda10071_priv *priv, u8 reg, u8 *val, 56 int len) 57 { 58 int ret; 59 u8 buf[len]; 60 struct i2c_msg msg[2] = { 61 { 62 .addr = priv->cfg.demod_i2c_addr, 63 .flags = 0, 64 .len = 1, 65 .buf = ®, 66 }, { 67 .addr = priv->cfg.demod_i2c_addr, 68 .flags = I2C_M_RD, 69 .len = sizeof(buf), 70 .buf = buf, 71 } 72 }; 73 74 ret = i2c_transfer(priv->i2c, msg, 2); 75 if (ret == 2) { 76 memcpy(val, buf, len); 77 ret = 0; 78 } else { 79 dev_warn(&priv->i2c->dev, "%s: i2c rd failed=%d reg=%02x " \ 80 "len=%d\n", KBUILD_MODNAME, ret, reg, len); 81 ret = -EREMOTEIO; 82 } 83 return ret; 84 } 85 86 /* write single register */ 87 static int tda10071_wr_reg(struct tda10071_priv *priv, u8 reg, u8 val) 88 { 89 return tda10071_wr_regs(priv, reg, &val, 1); 90 } 91 92 /* read single register */ 93 static int tda10071_rd_reg(struct tda10071_priv *priv, u8 reg, u8 *val) 94 { 95 return tda10071_rd_regs(priv, reg, val, 1); 96 } 97 98 /* write single register with mask */ 99 static int tda10071_wr_reg_mask(struct tda10071_priv *priv, 100 u8 reg, u8 val, u8 mask) 101 { 102 int ret; 103 u8 tmp; 104 105 /* no need for read if whole reg is written */ 106 if (mask != 0xff) { 107 ret = tda10071_rd_regs(priv, reg, &tmp, 1); 108 if (ret) 109 return ret; 110 111 val &= mask; 112 tmp &= ~mask; 113 val |= tmp; 114 } 115 116 return tda10071_wr_regs(priv, reg, &val, 1); 117 } 118 119 /* read single register with mask */ 120 static int tda10071_rd_reg_mask(struct tda10071_priv *priv, 121 u8 reg, u8 *val, u8 mask) 122 { 123 int ret, i; 124 u8 tmp; 125 126 ret = tda10071_rd_regs(priv, reg, &tmp, 1); 127 if (ret) 128 return ret; 129 130 tmp &= mask; 131 132 /* find position of the first bit */ 133 for (i = 0; i < 8; i++) { 134 if ((mask >> i) & 0x01) 135 break; 136 } 137 *val = tmp >> i; 138 139 return 0; 140 } 141 142 /* execute firmware command */ 143 static int tda10071_cmd_execute(struct tda10071_priv *priv, 144 struct tda10071_cmd *cmd) 145 { 146 int ret, i; 147 u8 tmp; 148 149 if (!priv->warm) { 150 ret = -EFAULT; 151 goto error; 152 } 153 154 /* write cmd and args for firmware */ 155 ret = tda10071_wr_regs(priv, 0x00, cmd->args, cmd->len); 156 if (ret) 157 goto error; 158 159 /* start cmd execution */ 160 ret = tda10071_wr_reg(priv, 0x1f, 1); 161 if (ret) 162 goto error; 163 164 /* wait cmd execution terminate */ 165 for (i = 1000, tmp = 1; i && tmp; i--) { 166 ret = tda10071_rd_reg(priv, 0x1f, &tmp); 167 if (ret) 168 goto error; 169 170 usleep_range(200, 5000); 171 } 172 173 dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i); 174 175 if (i == 0) { 176 ret = -ETIMEDOUT; 177 goto error; 178 } 179 180 return ret; 181 error: 182 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 183 return ret; 184 } 185 186 static int tda10071_set_tone(struct dvb_frontend *fe, 187 fe_sec_tone_mode_t fe_sec_tone_mode) 188 { 189 struct tda10071_priv *priv = fe->demodulator_priv; 190 struct tda10071_cmd cmd; 191 int ret; 192 u8 tone; 193 194 if (!priv->warm) { 195 ret = -EFAULT; 196 goto error; 197 } 198 199 dev_dbg(&priv->i2c->dev, "%s: tone_mode=%d\n", __func__, 200 fe_sec_tone_mode); 201 202 switch (fe_sec_tone_mode) { 203 case SEC_TONE_ON: 204 tone = 1; 205 break; 206 case SEC_TONE_OFF: 207 tone = 0; 208 break; 209 default: 210 dev_dbg(&priv->i2c->dev, "%s: invalid fe_sec_tone_mode\n", 211 __func__); 212 ret = -EINVAL; 213 goto error; 214 } 215 216 cmd.args[0] = CMD_LNB_PCB_CONFIG; 217 cmd.args[1] = 0; 218 cmd.args[2] = 0x00; 219 cmd.args[3] = 0x00; 220 cmd.args[4] = tone; 221 cmd.len = 5; 222 ret = tda10071_cmd_execute(priv, &cmd); 223 if (ret) 224 goto error; 225 226 return ret; 227 error: 228 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 229 return ret; 230 } 231 232 static int tda10071_set_voltage(struct dvb_frontend *fe, 233 fe_sec_voltage_t fe_sec_voltage) 234 { 235 struct tda10071_priv *priv = fe->demodulator_priv; 236 struct tda10071_cmd cmd; 237 int ret; 238 u8 voltage; 239 240 if (!priv->warm) { 241 ret = -EFAULT; 242 goto error; 243 } 244 245 dev_dbg(&priv->i2c->dev, "%s: voltage=%d\n", __func__, fe_sec_voltage); 246 247 switch (fe_sec_voltage) { 248 case SEC_VOLTAGE_13: 249 voltage = 0; 250 break; 251 case SEC_VOLTAGE_18: 252 voltage = 1; 253 break; 254 case SEC_VOLTAGE_OFF: 255 voltage = 0; 256 break; 257 default: 258 dev_dbg(&priv->i2c->dev, "%s: invalid fe_sec_voltage\n", 259 __func__); 260 ret = -EINVAL; 261 goto error; 262 } 263 264 cmd.args[0] = CMD_LNB_SET_DC_LEVEL; 265 cmd.args[1] = 0; 266 cmd.args[2] = voltage; 267 cmd.len = 3; 268 ret = tda10071_cmd_execute(priv, &cmd); 269 if (ret) 270 goto error; 271 272 return ret; 273 error: 274 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 275 return ret; 276 } 277 278 static int tda10071_diseqc_send_master_cmd(struct dvb_frontend *fe, 279 struct dvb_diseqc_master_cmd *diseqc_cmd) 280 { 281 struct tda10071_priv *priv = fe->demodulator_priv; 282 struct tda10071_cmd cmd; 283 int ret, i; 284 u8 tmp; 285 286 if (!priv->warm) { 287 ret = -EFAULT; 288 goto error; 289 } 290 291 dev_dbg(&priv->i2c->dev, "%s: msg_len=%d\n", __func__, 292 diseqc_cmd->msg_len); 293 294 if (diseqc_cmd->msg_len < 3 || diseqc_cmd->msg_len > 6) { 295 ret = -EINVAL; 296 goto error; 297 } 298 299 /* wait LNB TX */ 300 for (i = 500, tmp = 0; i && !tmp; i--) { 301 ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x01); 302 if (ret) 303 goto error; 304 305 usleep_range(10000, 20000); 306 } 307 308 dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i); 309 310 if (i == 0) { 311 ret = -ETIMEDOUT; 312 goto error; 313 } 314 315 ret = tda10071_wr_reg_mask(priv, 0x47, 0x00, 0x01); 316 if (ret) 317 goto error; 318 319 cmd.args[0] = CMD_LNB_SEND_DISEQC; 320 cmd.args[1] = 0; 321 cmd.args[2] = 0; 322 cmd.args[3] = 0; 323 cmd.args[4] = 2; 324 cmd.args[5] = 0; 325 cmd.args[6] = diseqc_cmd->msg_len; 326 memcpy(&cmd.args[7], diseqc_cmd->msg, diseqc_cmd->msg_len); 327 cmd.len = 7 + diseqc_cmd->msg_len; 328 ret = tda10071_cmd_execute(priv, &cmd); 329 if (ret) 330 goto error; 331 332 return ret; 333 error: 334 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 335 return ret; 336 } 337 338 static int tda10071_diseqc_recv_slave_reply(struct dvb_frontend *fe, 339 struct dvb_diseqc_slave_reply *reply) 340 { 341 struct tda10071_priv *priv = fe->demodulator_priv; 342 struct tda10071_cmd cmd; 343 int ret, i; 344 u8 tmp; 345 346 if (!priv->warm) { 347 ret = -EFAULT; 348 goto error; 349 } 350 351 dev_dbg(&priv->i2c->dev, "%s:\n", __func__); 352 353 /* wait LNB RX */ 354 for (i = 500, tmp = 0; i && !tmp; i--) { 355 ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x02); 356 if (ret) 357 goto error; 358 359 usleep_range(10000, 20000); 360 } 361 362 dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i); 363 364 if (i == 0) { 365 ret = -ETIMEDOUT; 366 goto error; 367 } 368 369 /* reply len */ 370 ret = tda10071_rd_reg(priv, 0x46, &tmp); 371 if (ret) 372 goto error; 373 374 reply->msg_len = tmp & 0x1f; /* [4:0] */ 375 if (reply->msg_len > sizeof(reply->msg)) 376 reply->msg_len = sizeof(reply->msg); /* truncate API max */ 377 378 /* read reply */ 379 cmd.args[0] = CMD_LNB_UPDATE_REPLY; 380 cmd.args[1] = 0; 381 cmd.len = 2; 382 ret = tda10071_cmd_execute(priv, &cmd); 383 if (ret) 384 goto error; 385 386 ret = tda10071_rd_regs(priv, cmd.len, reply->msg, reply->msg_len); 387 if (ret) 388 goto error; 389 390 return ret; 391 error: 392 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 393 return ret; 394 } 395 396 static int tda10071_diseqc_send_burst(struct dvb_frontend *fe, 397 fe_sec_mini_cmd_t fe_sec_mini_cmd) 398 { 399 struct tda10071_priv *priv = fe->demodulator_priv; 400 struct tda10071_cmd cmd; 401 int ret, i; 402 u8 tmp, burst; 403 404 if (!priv->warm) { 405 ret = -EFAULT; 406 goto error; 407 } 408 409 dev_dbg(&priv->i2c->dev, "%s: fe_sec_mini_cmd=%d\n", __func__, 410 fe_sec_mini_cmd); 411 412 switch (fe_sec_mini_cmd) { 413 case SEC_MINI_A: 414 burst = 0; 415 break; 416 case SEC_MINI_B: 417 burst = 1; 418 break; 419 default: 420 dev_dbg(&priv->i2c->dev, "%s: invalid fe_sec_mini_cmd\n", 421 __func__); 422 ret = -EINVAL; 423 goto error; 424 } 425 426 /* wait LNB TX */ 427 for (i = 500, tmp = 0; i && !tmp; i--) { 428 ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x01); 429 if (ret) 430 goto error; 431 432 usleep_range(10000, 20000); 433 } 434 435 dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i); 436 437 if (i == 0) { 438 ret = -ETIMEDOUT; 439 goto error; 440 } 441 442 ret = tda10071_wr_reg_mask(priv, 0x47, 0x00, 0x01); 443 if (ret) 444 goto error; 445 446 cmd.args[0] = CMD_LNB_SEND_TONEBURST; 447 cmd.args[1] = 0; 448 cmd.args[2] = burst; 449 cmd.len = 3; 450 ret = tda10071_cmd_execute(priv, &cmd); 451 if (ret) 452 goto error; 453 454 return ret; 455 error: 456 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 457 return ret; 458 } 459 460 static int tda10071_read_status(struct dvb_frontend *fe, fe_status_t *status) 461 { 462 struct tda10071_priv *priv = fe->demodulator_priv; 463 int ret; 464 u8 tmp; 465 466 *status = 0; 467 468 if (!priv->warm) { 469 ret = 0; 470 goto error; 471 } 472 473 ret = tda10071_rd_reg(priv, 0x39, &tmp); 474 if (ret) 475 goto error; 476 477 if (tmp & 0x01) /* tuner PLL */ 478 *status |= FE_HAS_SIGNAL; 479 if (tmp & 0x02) /* demod PLL */ 480 *status |= FE_HAS_CARRIER; 481 if (tmp & 0x04) /* viterbi or LDPC*/ 482 *status |= FE_HAS_VITERBI; 483 if (tmp & 0x08) /* RS or BCH */ 484 *status |= FE_HAS_SYNC | FE_HAS_LOCK; 485 486 priv->fe_status = *status; 487 488 return ret; 489 error: 490 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 491 return ret; 492 } 493 494 static int tda10071_read_snr(struct dvb_frontend *fe, u16 *snr) 495 { 496 struct tda10071_priv *priv = fe->demodulator_priv; 497 int ret; 498 u8 buf[2]; 499 500 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) { 501 *snr = 0; 502 ret = 0; 503 goto error; 504 } 505 506 ret = tda10071_rd_regs(priv, 0x3a, buf, 2); 507 if (ret) 508 goto error; 509 510 /* Es/No dBx10 */ 511 *snr = buf[0] << 8 | buf[1]; 512 513 return ret; 514 error: 515 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 516 return ret; 517 } 518 519 static int tda10071_read_signal_strength(struct dvb_frontend *fe, u16 *strength) 520 { 521 struct tda10071_priv *priv = fe->demodulator_priv; 522 struct tda10071_cmd cmd; 523 int ret; 524 u8 tmp; 525 526 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) { 527 *strength = 0; 528 ret = 0; 529 goto error; 530 } 531 532 cmd.args[0] = CMD_GET_AGCACC; 533 cmd.args[1] = 0; 534 cmd.len = 2; 535 ret = tda10071_cmd_execute(priv, &cmd); 536 if (ret) 537 goto error; 538 539 /* input power estimate dBm */ 540 ret = tda10071_rd_reg(priv, 0x50, &tmp); 541 if (ret) 542 goto error; 543 544 if (tmp < 181) 545 tmp = 181; /* -75 dBm */ 546 else if (tmp > 236) 547 tmp = 236; /* -20 dBm */ 548 549 /* scale value to 0x0000-0xffff */ 550 *strength = (tmp-181) * 0xffff / (236-181); 551 552 return ret; 553 error: 554 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 555 return ret; 556 } 557 558 static int tda10071_read_ber(struct dvb_frontend *fe, u32 *ber) 559 { 560 struct tda10071_priv *priv = fe->demodulator_priv; 561 struct tda10071_cmd cmd; 562 int ret, i, len; 563 u8 tmp, reg, buf[8]; 564 565 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) { 566 *ber = priv->ber = 0; 567 ret = 0; 568 goto error; 569 } 570 571 switch (priv->delivery_system) { 572 case SYS_DVBS: 573 reg = 0x4c; 574 len = 8; 575 i = 1; 576 break; 577 case SYS_DVBS2: 578 reg = 0x4d; 579 len = 4; 580 i = 0; 581 break; 582 default: 583 *ber = priv->ber = 0; 584 return 0; 585 } 586 587 ret = tda10071_rd_reg(priv, reg, &tmp); 588 if (ret) 589 goto error; 590 591 if (priv->meas_count[i] == tmp) { 592 dev_dbg(&priv->i2c->dev, "%s: meas not ready=%02x\n", __func__, 593 tmp); 594 *ber = priv->ber; 595 return 0; 596 } else { 597 priv->meas_count[i] = tmp; 598 } 599 600 cmd.args[0] = CMD_BER_UPDATE_COUNTERS; 601 cmd.args[1] = 0; 602 cmd.args[2] = i; 603 cmd.len = 3; 604 ret = tda10071_cmd_execute(priv, &cmd); 605 if (ret) 606 goto error; 607 608 ret = tda10071_rd_regs(priv, cmd.len, buf, len); 609 if (ret) 610 goto error; 611 612 if (priv->delivery_system == SYS_DVBS) { 613 *ber = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]; 614 priv->ucb += (buf[4] << 8) | buf[5]; 615 } else { 616 *ber = (buf[0] << 8) | buf[1]; 617 } 618 priv->ber = *ber; 619 620 return ret; 621 error: 622 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 623 return ret; 624 } 625 626 static int tda10071_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) 627 { 628 struct tda10071_priv *priv = fe->demodulator_priv; 629 int ret = 0; 630 631 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) { 632 *ucblocks = 0; 633 goto error; 634 } 635 636 /* UCB is updated when BER is read. Assume BER is read anyway. */ 637 638 *ucblocks = priv->ucb; 639 640 return ret; 641 error: 642 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 643 return ret; 644 } 645 646 static int tda10071_set_frontend(struct dvb_frontend *fe) 647 { 648 struct tda10071_priv *priv = fe->demodulator_priv; 649 struct tda10071_cmd cmd; 650 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 651 int ret, i; 652 u8 mode, rolloff, pilot, inversion, div; 653 654 dev_dbg(&priv->i2c->dev, "%s: delivery_system=%d modulation=%d " \ 655 "frequency=%d symbol_rate=%d inversion=%d pilot=%d " \ 656 "rolloff=%d\n", __func__, c->delivery_system, c->modulation, 657 c->frequency, c->symbol_rate, c->inversion, c->pilot, 658 c->rolloff); 659 660 priv->delivery_system = SYS_UNDEFINED; 661 662 if (!priv->warm) { 663 ret = -EFAULT; 664 goto error; 665 } 666 667 switch (c->inversion) { 668 case INVERSION_OFF: 669 inversion = 1; 670 break; 671 case INVERSION_ON: 672 inversion = 0; 673 break; 674 case INVERSION_AUTO: 675 /* 2 = auto; try first on then off 676 * 3 = auto; try first off then on */ 677 inversion = 3; 678 break; 679 default: 680 dev_dbg(&priv->i2c->dev, "%s: invalid inversion\n", __func__); 681 ret = -EINVAL; 682 goto error; 683 } 684 685 switch (c->delivery_system) { 686 case SYS_DVBS: 687 rolloff = 0; 688 pilot = 2; 689 break; 690 case SYS_DVBS2: 691 switch (c->rolloff) { 692 case ROLLOFF_20: 693 rolloff = 2; 694 break; 695 case ROLLOFF_25: 696 rolloff = 1; 697 break; 698 case ROLLOFF_35: 699 rolloff = 0; 700 break; 701 case ROLLOFF_AUTO: 702 default: 703 dev_dbg(&priv->i2c->dev, "%s: invalid rolloff\n", 704 __func__); 705 ret = -EINVAL; 706 goto error; 707 } 708 709 switch (c->pilot) { 710 case PILOT_OFF: 711 pilot = 0; 712 break; 713 case PILOT_ON: 714 pilot = 1; 715 break; 716 case PILOT_AUTO: 717 pilot = 2; 718 break; 719 default: 720 dev_dbg(&priv->i2c->dev, "%s: invalid pilot\n", 721 __func__); 722 ret = -EINVAL; 723 goto error; 724 } 725 break; 726 default: 727 dev_dbg(&priv->i2c->dev, "%s: invalid delivery_system\n", 728 __func__); 729 ret = -EINVAL; 730 goto error; 731 } 732 733 for (i = 0, mode = 0xff; i < ARRAY_SIZE(TDA10071_MODCOD); i++) { 734 if (c->delivery_system == TDA10071_MODCOD[i].delivery_system && 735 c->modulation == TDA10071_MODCOD[i].modulation && 736 c->fec_inner == TDA10071_MODCOD[i].fec) { 737 mode = TDA10071_MODCOD[i].val; 738 dev_dbg(&priv->i2c->dev, "%s: mode found=%02x\n", 739 __func__, mode); 740 break; 741 } 742 } 743 744 if (mode == 0xff) { 745 dev_dbg(&priv->i2c->dev, "%s: invalid parameter combination\n", 746 __func__); 747 ret = -EINVAL; 748 goto error; 749 } 750 751 if (c->symbol_rate <= 5000000) 752 div = 14; 753 else 754 div = 4; 755 756 ret = tda10071_wr_reg(priv, 0x81, div); 757 if (ret) 758 goto error; 759 760 ret = tda10071_wr_reg(priv, 0xe3, div); 761 if (ret) 762 goto error; 763 764 cmd.args[0] = CMD_CHANGE_CHANNEL; 765 cmd.args[1] = 0; 766 cmd.args[2] = mode; 767 cmd.args[3] = (c->frequency >> 16) & 0xff; 768 cmd.args[4] = (c->frequency >> 8) & 0xff; 769 cmd.args[5] = (c->frequency >> 0) & 0xff; 770 cmd.args[6] = ((c->symbol_rate / 1000) >> 8) & 0xff; 771 cmd.args[7] = ((c->symbol_rate / 1000) >> 0) & 0xff; 772 cmd.args[8] = (tda10071_ops.info.frequency_tolerance >> 8) & 0xff; 773 cmd.args[9] = (tda10071_ops.info.frequency_tolerance >> 0) & 0xff; 774 cmd.args[10] = rolloff; 775 cmd.args[11] = inversion; 776 cmd.args[12] = pilot; 777 cmd.args[13] = 0x00; 778 cmd.args[14] = 0x00; 779 cmd.len = 15; 780 ret = tda10071_cmd_execute(priv, &cmd); 781 if (ret) 782 goto error; 783 784 priv->delivery_system = c->delivery_system; 785 786 return ret; 787 error: 788 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 789 return ret; 790 } 791 792 static int tda10071_get_frontend(struct dvb_frontend *fe) 793 { 794 struct tda10071_priv *priv = fe->demodulator_priv; 795 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 796 int ret, i; 797 u8 buf[5], tmp; 798 799 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) { 800 ret = -EFAULT; 801 goto error; 802 } 803 804 ret = tda10071_rd_regs(priv, 0x30, buf, 5); 805 if (ret) 806 goto error; 807 808 tmp = buf[0] & 0x3f; 809 for (i = 0; i < ARRAY_SIZE(TDA10071_MODCOD); i++) { 810 if (tmp == TDA10071_MODCOD[i].val) { 811 c->modulation = TDA10071_MODCOD[i].modulation; 812 c->fec_inner = TDA10071_MODCOD[i].fec; 813 c->delivery_system = TDA10071_MODCOD[i].delivery_system; 814 } 815 } 816 817 switch ((buf[1] >> 0) & 0x01) { 818 case 0: 819 c->inversion = INVERSION_OFF; 820 break; 821 case 1: 822 c->inversion = INVERSION_ON; 823 break; 824 } 825 826 switch ((buf[1] >> 7) & 0x01) { 827 case 0: 828 c->pilot = PILOT_OFF; 829 break; 830 case 1: 831 c->pilot = PILOT_ON; 832 break; 833 } 834 835 c->frequency = (buf[2] << 16) | (buf[3] << 8) | (buf[4] << 0); 836 837 ret = tda10071_rd_regs(priv, 0x52, buf, 3); 838 if (ret) 839 goto error; 840 841 c->symbol_rate = (buf[0] << 16) | (buf[1] << 8) | (buf[2] << 0); 842 843 return ret; 844 error: 845 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 846 return ret; 847 } 848 849 static int tda10071_init(struct dvb_frontend *fe) 850 { 851 struct tda10071_priv *priv = fe->demodulator_priv; 852 struct tda10071_cmd cmd; 853 int ret, i, len, remaining, fw_size; 854 const struct firmware *fw; 855 u8 *fw_file = TDA10071_FIRMWARE; 856 u8 tmp, buf[4]; 857 struct tda10071_reg_val_mask tab[] = { 858 { 0xcd, 0x00, 0x07 }, 859 { 0x80, 0x00, 0x02 }, 860 { 0xcd, 0x00, 0xc0 }, 861 { 0xce, 0x00, 0x1b }, 862 { 0x9d, 0x00, 0x01 }, 863 { 0x9d, 0x00, 0x02 }, 864 { 0x9e, 0x00, 0x01 }, 865 { 0x87, 0x00, 0x80 }, 866 { 0xce, 0x00, 0x08 }, 867 { 0xce, 0x00, 0x10 }, 868 }; 869 struct tda10071_reg_val_mask tab2[] = { 870 { 0xf1, 0x70, 0xff }, 871 { 0x88, priv->cfg.pll_multiplier, 0x3f }, 872 { 0x89, 0x00, 0x10 }, 873 { 0x89, 0x10, 0x10 }, 874 { 0xc0, 0x01, 0x01 }, 875 { 0xc0, 0x00, 0x01 }, 876 { 0xe0, 0xff, 0xff }, 877 { 0xe0, 0x00, 0xff }, 878 { 0x96, 0x1e, 0x7e }, 879 { 0x8b, 0x08, 0x08 }, 880 { 0x8b, 0x00, 0x08 }, 881 { 0x8f, 0x1a, 0x7e }, 882 { 0x8c, 0x68, 0xff }, 883 { 0x8d, 0x08, 0xff }, 884 { 0x8e, 0x4c, 0xff }, 885 { 0x8f, 0x01, 0x01 }, 886 { 0x8b, 0x04, 0x04 }, 887 { 0x8b, 0x00, 0x04 }, 888 { 0x87, 0x05, 0x07 }, 889 { 0x80, 0x00, 0x20 }, 890 { 0xc8, 0x01, 0xff }, 891 { 0xb4, 0x47, 0xff }, 892 { 0xb5, 0x9c, 0xff }, 893 { 0xb6, 0x7d, 0xff }, 894 { 0xba, 0x00, 0x03 }, 895 { 0xb7, 0x47, 0xff }, 896 { 0xb8, 0x9c, 0xff }, 897 { 0xb9, 0x7d, 0xff }, 898 { 0xba, 0x00, 0x0c }, 899 { 0xc8, 0x00, 0xff }, 900 { 0xcd, 0x00, 0x04 }, 901 { 0xcd, 0x00, 0x20 }, 902 { 0xe8, 0x02, 0xff }, 903 { 0xcf, 0x20, 0xff }, 904 { 0x9b, 0xd7, 0xff }, 905 { 0x9a, 0x01, 0x03 }, 906 { 0xa8, 0x05, 0x0f }, 907 { 0xa8, 0x65, 0xf0 }, 908 { 0xa6, 0xa0, 0xf0 }, 909 { 0x9d, 0x50, 0xfc }, 910 { 0x9e, 0x20, 0xe0 }, 911 { 0xa3, 0x1c, 0x7c }, 912 { 0xd5, 0x03, 0x03 }, 913 }; 914 915 /* firmware status */ 916 ret = tda10071_rd_reg(priv, 0x51, &tmp); 917 if (ret) 918 goto error; 919 920 if (!tmp) { 921 /* warm state - wake up device from sleep */ 922 priv->warm = 1; 923 924 for (i = 0; i < ARRAY_SIZE(tab); i++) { 925 ret = tda10071_wr_reg_mask(priv, tab[i].reg, 926 tab[i].val, tab[i].mask); 927 if (ret) 928 goto error; 929 } 930 931 cmd.args[0] = CMD_SET_SLEEP_MODE; 932 cmd.args[1] = 0; 933 cmd.args[2] = 0; 934 cmd.len = 3; 935 ret = tda10071_cmd_execute(priv, &cmd); 936 if (ret) 937 goto error; 938 } else { 939 /* cold state - try to download firmware */ 940 priv->warm = 0; 941 942 /* request the firmware, this will block and timeout */ 943 ret = request_firmware(&fw, fw_file, priv->i2c->dev.parent); 944 if (ret) { 945 dev_err(&priv->i2c->dev, "%s: did not find the " \ 946 "firmware file. (%s) Please see " \ 947 "linux/Documentation/dvb/ for more " \ 948 "details on firmware-problems. (%d)\n", 949 KBUILD_MODNAME, fw_file, ret); 950 goto error; 951 } 952 953 /* init */ 954 for (i = 0; i < ARRAY_SIZE(tab2); i++) { 955 ret = tda10071_wr_reg_mask(priv, tab2[i].reg, 956 tab2[i].val, tab2[i].mask); 957 if (ret) 958 goto error_release_firmware; 959 } 960 961 /* download firmware */ 962 ret = tda10071_wr_reg(priv, 0xe0, 0x7f); 963 if (ret) 964 goto error_release_firmware; 965 966 ret = tda10071_wr_reg(priv, 0xf7, 0x81); 967 if (ret) 968 goto error_release_firmware; 969 970 ret = tda10071_wr_reg(priv, 0xf8, 0x00); 971 if (ret) 972 goto error_release_firmware; 973 974 ret = tda10071_wr_reg(priv, 0xf9, 0x00); 975 if (ret) 976 goto error_release_firmware; 977 978 dev_info(&priv->i2c->dev, "%s: found a '%s' in cold state, " \ 979 "will try to load a firmware\n", KBUILD_MODNAME, 980 tda10071_ops.info.name); 981 dev_info(&priv->i2c->dev, "%s: downloading firmware from " \ 982 "file '%s'\n", KBUILD_MODNAME, fw_file); 983 984 /* do not download last byte */ 985 fw_size = fw->size - 1; 986 987 for (remaining = fw_size; remaining > 0; 988 remaining -= (priv->cfg.i2c_wr_max - 1)) { 989 len = remaining; 990 if (len > (priv->cfg.i2c_wr_max - 1)) 991 len = (priv->cfg.i2c_wr_max - 1); 992 993 ret = tda10071_wr_regs(priv, 0xfa, 994 (u8 *) &fw->data[fw_size - remaining], len); 995 if (ret) { 996 dev_err(&priv->i2c->dev, "%s: firmware " \ 997 "download failed=%d\n", 998 KBUILD_MODNAME, ret); 999 if (ret) 1000 goto error_release_firmware; 1001 } 1002 } 1003 release_firmware(fw); 1004 1005 ret = tda10071_wr_reg(priv, 0xf7, 0x0c); 1006 if (ret) 1007 goto error; 1008 1009 ret = tda10071_wr_reg(priv, 0xe0, 0x00); 1010 if (ret) 1011 goto error; 1012 1013 /* wait firmware start */ 1014 msleep(250); 1015 1016 /* firmware status */ 1017 ret = tda10071_rd_reg(priv, 0x51, &tmp); 1018 if (ret) 1019 goto error; 1020 1021 if (tmp) { 1022 dev_info(&priv->i2c->dev, "%s: firmware did not run\n", 1023 KBUILD_MODNAME); 1024 ret = -EFAULT; 1025 goto error; 1026 } else { 1027 priv->warm = 1; 1028 } 1029 1030 cmd.args[0] = CMD_GET_FW_VERSION; 1031 cmd.len = 1; 1032 ret = tda10071_cmd_execute(priv, &cmd); 1033 if (ret) 1034 goto error; 1035 1036 ret = tda10071_rd_regs(priv, cmd.len, buf, 4); 1037 if (ret) 1038 goto error; 1039 1040 dev_info(&priv->i2c->dev, "%s: firmware version %d.%d.%d.%d\n", 1041 KBUILD_MODNAME, buf[0], buf[1], buf[2], buf[3]); 1042 dev_info(&priv->i2c->dev, "%s: found a '%s' in warm state\n", 1043 KBUILD_MODNAME, tda10071_ops.info.name); 1044 1045 ret = tda10071_rd_regs(priv, 0x81, buf, 2); 1046 if (ret) 1047 goto error; 1048 1049 cmd.args[0] = CMD_DEMOD_INIT; 1050 cmd.args[1] = ((priv->cfg.xtal / 1000) >> 8) & 0xff; 1051 cmd.args[2] = ((priv->cfg.xtal / 1000) >> 0) & 0xff; 1052 cmd.args[3] = buf[0]; 1053 cmd.args[4] = buf[1]; 1054 cmd.args[5] = priv->cfg.pll_multiplier; 1055 cmd.args[6] = priv->cfg.spec_inv; 1056 cmd.args[7] = 0x00; 1057 cmd.len = 8; 1058 ret = tda10071_cmd_execute(priv, &cmd); 1059 if (ret) 1060 goto error; 1061 1062 cmd.args[0] = CMD_TUNER_INIT; 1063 cmd.args[1] = 0x00; 1064 cmd.args[2] = 0x00; 1065 cmd.args[3] = 0x00; 1066 cmd.args[4] = 0x00; 1067 cmd.args[5] = (priv->cfg.tuner_i2c_addr) ? priv->cfg.tuner_i2c_addr : 0x14; 1068 cmd.args[6] = 0x00; 1069 cmd.args[7] = 0x03; 1070 cmd.args[8] = 0x02; 1071 cmd.args[9] = 0x02; 1072 cmd.args[10] = 0x00; 1073 cmd.args[11] = 0x00; 1074 cmd.args[12] = 0x00; 1075 cmd.args[13] = 0x00; 1076 cmd.args[14] = 0x00; 1077 cmd.len = 15; 1078 ret = tda10071_cmd_execute(priv, &cmd); 1079 if (ret) 1080 goto error; 1081 1082 cmd.args[0] = CMD_MPEG_CONFIG; 1083 cmd.args[1] = 0; 1084 cmd.args[2] = priv->cfg.ts_mode; 1085 cmd.args[3] = 0x00; 1086 cmd.args[4] = 0x04; 1087 cmd.args[5] = 0x00; 1088 cmd.len = 6; 1089 ret = tda10071_cmd_execute(priv, &cmd); 1090 if (ret) 1091 goto error; 1092 1093 ret = tda10071_wr_reg_mask(priv, 0xf0, 0x01, 0x01); 1094 if (ret) 1095 goto error; 1096 1097 cmd.args[0] = CMD_LNB_CONFIG; 1098 cmd.args[1] = 0; 1099 cmd.args[2] = 150; 1100 cmd.args[3] = 3; 1101 cmd.args[4] = 22; 1102 cmd.args[5] = 1; 1103 cmd.args[6] = 1; 1104 cmd.args[7] = 30; 1105 cmd.args[8] = 30; 1106 cmd.args[9] = 30; 1107 cmd.args[10] = 30; 1108 cmd.len = 11; 1109 ret = tda10071_cmd_execute(priv, &cmd); 1110 if (ret) 1111 goto error; 1112 1113 cmd.args[0] = CMD_BER_CONTROL; 1114 cmd.args[1] = 0; 1115 cmd.args[2] = 14; 1116 cmd.args[3] = 14; 1117 cmd.len = 4; 1118 ret = tda10071_cmd_execute(priv, &cmd); 1119 if (ret) 1120 goto error; 1121 } 1122 1123 return ret; 1124 error_release_firmware: 1125 release_firmware(fw); 1126 error: 1127 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 1128 return ret; 1129 } 1130 1131 static int tda10071_sleep(struct dvb_frontend *fe) 1132 { 1133 struct tda10071_priv *priv = fe->demodulator_priv; 1134 struct tda10071_cmd cmd; 1135 int ret, i; 1136 struct tda10071_reg_val_mask tab[] = { 1137 { 0xcd, 0x07, 0x07 }, 1138 { 0x80, 0x02, 0x02 }, 1139 { 0xcd, 0xc0, 0xc0 }, 1140 { 0xce, 0x1b, 0x1b }, 1141 { 0x9d, 0x01, 0x01 }, 1142 { 0x9d, 0x02, 0x02 }, 1143 { 0x9e, 0x01, 0x01 }, 1144 { 0x87, 0x80, 0x80 }, 1145 { 0xce, 0x08, 0x08 }, 1146 { 0xce, 0x10, 0x10 }, 1147 }; 1148 1149 if (!priv->warm) { 1150 ret = -EFAULT; 1151 goto error; 1152 } 1153 1154 cmd.args[0] = CMD_SET_SLEEP_MODE; 1155 cmd.args[1] = 0; 1156 cmd.args[2] = 1; 1157 cmd.len = 3; 1158 ret = tda10071_cmd_execute(priv, &cmd); 1159 if (ret) 1160 goto error; 1161 1162 for (i = 0; i < ARRAY_SIZE(tab); i++) { 1163 ret = tda10071_wr_reg_mask(priv, tab[i].reg, tab[i].val, 1164 tab[i].mask); 1165 if (ret) 1166 goto error; 1167 } 1168 1169 return ret; 1170 error: 1171 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 1172 return ret; 1173 } 1174 1175 static int tda10071_get_tune_settings(struct dvb_frontend *fe, 1176 struct dvb_frontend_tune_settings *s) 1177 { 1178 s->min_delay_ms = 8000; 1179 s->step_size = 0; 1180 s->max_drift = 0; 1181 1182 return 0; 1183 } 1184 1185 static void tda10071_release(struct dvb_frontend *fe) 1186 { 1187 struct tda10071_priv *priv = fe->demodulator_priv; 1188 kfree(priv); 1189 } 1190 1191 struct dvb_frontend *tda10071_attach(const struct tda10071_config *config, 1192 struct i2c_adapter *i2c) 1193 { 1194 int ret; 1195 struct tda10071_priv *priv = NULL; 1196 u8 tmp; 1197 1198 /* allocate memory for the internal priv */ 1199 priv = kzalloc(sizeof(struct tda10071_priv), GFP_KERNEL); 1200 if (priv == NULL) { 1201 ret = -ENOMEM; 1202 goto error; 1203 } 1204 1205 /* make sure demod i2c address is specified */ 1206 if (!config->demod_i2c_addr) { 1207 dev_dbg(&i2c->dev, "%s: invalid demod i2c address!\n", __func__); 1208 ret = -EINVAL; 1209 goto error; 1210 } 1211 1212 /* make sure tuner i2c address is specified */ 1213 if (!config->tuner_i2c_addr) { 1214 dev_dbg(&i2c->dev, "%s: invalid tuner i2c address!\n", __func__); 1215 ret = -EINVAL; 1216 goto error; 1217 } 1218 1219 /* setup the priv */ 1220 priv->i2c = i2c; 1221 memcpy(&priv->cfg, config, sizeof(struct tda10071_config)); 1222 1223 /* chip ID */ 1224 ret = tda10071_rd_reg(priv, 0xff, &tmp); 1225 if (ret || tmp != 0x0f) 1226 goto error; 1227 1228 /* chip type */ 1229 ret = tda10071_rd_reg(priv, 0xdd, &tmp); 1230 if (ret || tmp != 0x00) 1231 goto error; 1232 1233 /* chip version */ 1234 ret = tda10071_rd_reg(priv, 0xfe, &tmp); 1235 if (ret || tmp != 0x01) 1236 goto error; 1237 1238 /* create dvb_frontend */ 1239 memcpy(&priv->fe.ops, &tda10071_ops, sizeof(struct dvb_frontend_ops)); 1240 priv->fe.demodulator_priv = priv; 1241 1242 return &priv->fe; 1243 error: 1244 dev_dbg(&i2c->dev, "%s: failed=%d\n", __func__, ret); 1245 kfree(priv); 1246 return NULL; 1247 } 1248 EXPORT_SYMBOL(tda10071_attach); 1249 1250 static struct dvb_frontend_ops tda10071_ops = { 1251 .delsys = { SYS_DVBS, SYS_DVBS2 }, 1252 .info = { 1253 .name = "NXP TDA10071", 1254 .frequency_min = 950000, 1255 .frequency_max = 2150000, 1256 .frequency_tolerance = 5000, 1257 .symbol_rate_min = 1000000, 1258 .symbol_rate_max = 45000000, 1259 .caps = FE_CAN_INVERSION_AUTO | 1260 FE_CAN_FEC_1_2 | 1261 FE_CAN_FEC_2_3 | 1262 FE_CAN_FEC_3_4 | 1263 FE_CAN_FEC_4_5 | 1264 FE_CAN_FEC_5_6 | 1265 FE_CAN_FEC_6_7 | 1266 FE_CAN_FEC_7_8 | 1267 FE_CAN_FEC_8_9 | 1268 FE_CAN_FEC_AUTO | 1269 FE_CAN_QPSK | 1270 FE_CAN_RECOVER | 1271 FE_CAN_2G_MODULATION 1272 }, 1273 1274 .release = tda10071_release, 1275 1276 .get_tune_settings = tda10071_get_tune_settings, 1277 1278 .init = tda10071_init, 1279 .sleep = tda10071_sleep, 1280 1281 .set_frontend = tda10071_set_frontend, 1282 .get_frontend = tda10071_get_frontend, 1283 1284 .read_status = tda10071_read_status, 1285 .read_snr = tda10071_read_snr, 1286 .read_signal_strength = tda10071_read_signal_strength, 1287 .read_ber = tda10071_read_ber, 1288 .read_ucblocks = tda10071_read_ucblocks, 1289 1290 .diseqc_send_master_cmd = tda10071_diseqc_send_master_cmd, 1291 .diseqc_recv_slave_reply = tda10071_diseqc_recv_slave_reply, 1292 .diseqc_send_burst = tda10071_diseqc_send_burst, 1293 1294 .set_tone = tda10071_set_tone, 1295 .set_voltage = tda10071_set_voltage, 1296 }; 1297 1298 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); 1299 MODULE_DESCRIPTION("NXP TDA10071 DVB-S/S2 demodulator driver"); 1300 MODULE_LICENSE("GPL"); 1301 MODULE_FIRMWARE(TDA10071_FIRMWARE); 1302