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.i2c_address, 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.i2c_address, 63 .flags = 0, 64 .len = 1, 65 .buf = ®, 66 }, { 67 .addr = priv->cfg.i2c_address, 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 int tda10071_wr_reg_mask(struct tda10071_priv *priv, u8 reg, u8 val, u8 mask) 100 { 101 int ret; 102 u8 tmp; 103 104 /* no need for read if whole reg is written */ 105 if (mask != 0xff) { 106 ret = tda10071_rd_regs(priv, reg, &tmp, 1); 107 if (ret) 108 return ret; 109 110 val &= mask; 111 tmp &= ~mask; 112 val |= tmp; 113 } 114 115 return tda10071_wr_regs(priv, reg, &val, 1); 116 } 117 118 /* read single register with mask */ 119 int tda10071_rd_reg_mask(struct tda10071_priv *priv, u8 reg, u8 *val, u8 mask) 120 { 121 int ret, i; 122 u8 tmp; 123 124 ret = tda10071_rd_regs(priv, reg, &tmp, 1); 125 if (ret) 126 return ret; 127 128 tmp &= mask; 129 130 /* find position of the first bit */ 131 for (i = 0; i < 8; i++) { 132 if ((mask >> i) & 0x01) 133 break; 134 } 135 *val = tmp >> i; 136 137 return 0; 138 } 139 140 /* execute firmware command */ 141 static int tda10071_cmd_execute(struct tda10071_priv *priv, 142 struct tda10071_cmd *cmd) 143 { 144 int ret, i; 145 u8 tmp; 146 147 if (!priv->warm) { 148 ret = -EFAULT; 149 goto error; 150 } 151 152 /* write cmd and args for firmware */ 153 ret = tda10071_wr_regs(priv, 0x00, cmd->args, cmd->len); 154 if (ret) 155 goto error; 156 157 /* start cmd execution */ 158 ret = tda10071_wr_reg(priv, 0x1f, 1); 159 if (ret) 160 goto error; 161 162 /* wait cmd execution terminate */ 163 for (i = 1000, tmp = 1; i && tmp; i--) { 164 ret = tda10071_rd_reg(priv, 0x1f, &tmp); 165 if (ret) 166 goto error; 167 168 usleep_range(200, 5000); 169 } 170 171 dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i); 172 173 if (i == 0) { 174 ret = -ETIMEDOUT; 175 goto error; 176 } 177 178 return ret; 179 error: 180 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 181 return ret; 182 } 183 184 static int tda10071_set_tone(struct dvb_frontend *fe, 185 fe_sec_tone_mode_t fe_sec_tone_mode) 186 { 187 struct tda10071_priv *priv = fe->demodulator_priv; 188 struct tda10071_cmd cmd; 189 int ret; 190 u8 tone; 191 192 if (!priv->warm) { 193 ret = -EFAULT; 194 goto error; 195 } 196 197 dev_dbg(&priv->i2c->dev, "%s: tone_mode=%d\n", __func__, 198 fe_sec_tone_mode); 199 200 switch (fe_sec_tone_mode) { 201 case SEC_TONE_ON: 202 tone = 1; 203 break; 204 case SEC_TONE_OFF: 205 tone = 0; 206 break; 207 default: 208 dev_dbg(&priv->i2c->dev, "%s: invalid fe_sec_tone_mode\n", 209 __func__); 210 ret = -EINVAL; 211 goto error; 212 } 213 214 cmd.args[0] = CMD_LNB_PCB_CONFIG; 215 cmd.args[1] = 0; 216 cmd.args[2] = 0x00; 217 cmd.args[3] = 0x00; 218 cmd.args[4] = tone; 219 cmd.len = 5; 220 ret = tda10071_cmd_execute(priv, &cmd); 221 if (ret) 222 goto error; 223 224 return ret; 225 error: 226 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 227 return ret; 228 } 229 230 static int tda10071_set_voltage(struct dvb_frontend *fe, 231 fe_sec_voltage_t fe_sec_voltage) 232 { 233 struct tda10071_priv *priv = fe->demodulator_priv; 234 struct tda10071_cmd cmd; 235 int ret; 236 u8 voltage; 237 238 if (!priv->warm) { 239 ret = -EFAULT; 240 goto error; 241 } 242 243 dev_dbg(&priv->i2c->dev, "%s: voltage=%d\n", __func__, fe_sec_voltage); 244 245 switch (fe_sec_voltage) { 246 case SEC_VOLTAGE_13: 247 voltage = 0; 248 break; 249 case SEC_VOLTAGE_18: 250 voltage = 1; 251 break; 252 case SEC_VOLTAGE_OFF: 253 voltage = 0; 254 break; 255 default: 256 dev_dbg(&priv->i2c->dev, "%s: invalid fe_sec_voltage\n", 257 __func__); 258 ret = -EINVAL; 259 goto error; 260 } 261 262 cmd.args[0] = CMD_LNB_SET_DC_LEVEL; 263 cmd.args[1] = 0; 264 cmd.args[2] = voltage; 265 cmd.len = 3; 266 ret = tda10071_cmd_execute(priv, &cmd); 267 if (ret) 268 goto error; 269 270 return ret; 271 error: 272 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 273 return ret; 274 } 275 276 static int tda10071_diseqc_send_master_cmd(struct dvb_frontend *fe, 277 struct dvb_diseqc_master_cmd *diseqc_cmd) 278 { 279 struct tda10071_priv *priv = fe->demodulator_priv; 280 struct tda10071_cmd cmd; 281 int ret, i; 282 u8 tmp; 283 284 if (!priv->warm) { 285 ret = -EFAULT; 286 goto error; 287 } 288 289 dev_dbg(&priv->i2c->dev, "%s: msg_len=%d\n", __func__, 290 diseqc_cmd->msg_len); 291 292 if (diseqc_cmd->msg_len < 3 || diseqc_cmd->msg_len > 6) { 293 ret = -EINVAL; 294 goto error; 295 } 296 297 /* wait LNB TX */ 298 for (i = 500, tmp = 0; i && !tmp; i--) { 299 ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x01); 300 if (ret) 301 goto error; 302 303 usleep_range(10000, 20000); 304 } 305 306 dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i); 307 308 if (i == 0) { 309 ret = -ETIMEDOUT; 310 goto error; 311 } 312 313 ret = tda10071_wr_reg_mask(priv, 0x47, 0x00, 0x01); 314 if (ret) 315 goto error; 316 317 cmd.args[0] = CMD_LNB_SEND_DISEQC; 318 cmd.args[1] = 0; 319 cmd.args[2] = 0; 320 cmd.args[3] = 0; 321 cmd.args[4] = 2; 322 cmd.args[5] = 0; 323 cmd.args[6] = diseqc_cmd->msg_len; 324 memcpy(&cmd.args[7], diseqc_cmd->msg, diseqc_cmd->msg_len); 325 cmd.len = 7 + diseqc_cmd->msg_len; 326 ret = tda10071_cmd_execute(priv, &cmd); 327 if (ret) 328 goto error; 329 330 return ret; 331 error: 332 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 333 return ret; 334 } 335 336 static int tda10071_diseqc_recv_slave_reply(struct dvb_frontend *fe, 337 struct dvb_diseqc_slave_reply *reply) 338 { 339 struct tda10071_priv *priv = fe->demodulator_priv; 340 struct tda10071_cmd cmd; 341 int ret, i; 342 u8 tmp; 343 344 if (!priv->warm) { 345 ret = -EFAULT; 346 goto error; 347 } 348 349 dev_dbg(&priv->i2c->dev, "%s:\n", __func__); 350 351 /* wait LNB RX */ 352 for (i = 500, tmp = 0; i && !tmp; i--) { 353 ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x02); 354 if (ret) 355 goto error; 356 357 usleep_range(10000, 20000); 358 } 359 360 dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i); 361 362 if (i == 0) { 363 ret = -ETIMEDOUT; 364 goto error; 365 } 366 367 /* reply len */ 368 ret = tda10071_rd_reg(priv, 0x46, &tmp); 369 if (ret) 370 goto error; 371 372 reply->msg_len = tmp & 0x1f; /* [4:0] */ 373 if (reply->msg_len > sizeof(reply->msg)) 374 reply->msg_len = sizeof(reply->msg); /* truncate API max */ 375 376 /* read reply */ 377 cmd.args[0] = CMD_LNB_UPDATE_REPLY; 378 cmd.args[1] = 0; 379 cmd.len = 2; 380 ret = tda10071_cmd_execute(priv, &cmd); 381 if (ret) 382 goto error; 383 384 ret = tda10071_rd_regs(priv, cmd.len, reply->msg, reply->msg_len); 385 if (ret) 386 goto error; 387 388 return ret; 389 error: 390 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 391 return ret; 392 } 393 394 static int tda10071_diseqc_send_burst(struct dvb_frontend *fe, 395 fe_sec_mini_cmd_t fe_sec_mini_cmd) 396 { 397 struct tda10071_priv *priv = fe->demodulator_priv; 398 struct tda10071_cmd cmd; 399 int ret, i; 400 u8 tmp, burst; 401 402 if (!priv->warm) { 403 ret = -EFAULT; 404 goto error; 405 } 406 407 dev_dbg(&priv->i2c->dev, "%s: fe_sec_mini_cmd=%d\n", __func__, 408 fe_sec_mini_cmd); 409 410 switch (fe_sec_mini_cmd) { 411 case SEC_MINI_A: 412 burst = 0; 413 break; 414 case SEC_MINI_B: 415 burst = 1; 416 break; 417 default: 418 dev_dbg(&priv->i2c->dev, "%s: invalid fe_sec_mini_cmd\n", 419 __func__); 420 ret = -EINVAL; 421 goto error; 422 } 423 424 /* wait LNB TX */ 425 for (i = 500, tmp = 0; i && !tmp; i--) { 426 ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x01); 427 if (ret) 428 goto error; 429 430 usleep_range(10000, 20000); 431 } 432 433 dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i); 434 435 if (i == 0) { 436 ret = -ETIMEDOUT; 437 goto error; 438 } 439 440 ret = tda10071_wr_reg_mask(priv, 0x47, 0x00, 0x01); 441 if (ret) 442 goto error; 443 444 cmd.args[0] = CMD_LNB_SEND_TONEBURST; 445 cmd.args[1] = 0; 446 cmd.args[2] = burst; 447 cmd.len = 3; 448 ret = tda10071_cmd_execute(priv, &cmd); 449 if (ret) 450 goto error; 451 452 return ret; 453 error: 454 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 455 return ret; 456 } 457 458 static int tda10071_read_status(struct dvb_frontend *fe, fe_status_t *status) 459 { 460 struct tda10071_priv *priv = fe->demodulator_priv; 461 int ret; 462 u8 tmp; 463 464 *status = 0; 465 466 if (!priv->warm) { 467 ret = 0; 468 goto error; 469 } 470 471 ret = tda10071_rd_reg(priv, 0x39, &tmp); 472 if (ret) 473 goto error; 474 475 if (tmp & 0x01) /* tuner PLL */ 476 *status |= FE_HAS_SIGNAL; 477 if (tmp & 0x02) /* demod PLL */ 478 *status |= FE_HAS_CARRIER; 479 if (tmp & 0x04) /* viterbi or LDPC*/ 480 *status |= FE_HAS_VITERBI; 481 if (tmp & 0x08) /* RS or BCH */ 482 *status |= FE_HAS_SYNC | FE_HAS_LOCK; 483 484 priv->fe_status = *status; 485 486 return ret; 487 error: 488 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 489 return ret; 490 } 491 492 static int tda10071_read_snr(struct dvb_frontend *fe, u16 *snr) 493 { 494 struct tda10071_priv *priv = fe->demodulator_priv; 495 int ret; 496 u8 buf[2]; 497 498 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) { 499 *snr = 0; 500 ret = 0; 501 goto error; 502 } 503 504 ret = tda10071_rd_regs(priv, 0x3a, buf, 2); 505 if (ret) 506 goto error; 507 508 /* Es/No dBx10 */ 509 *snr = buf[0] << 8 | buf[1]; 510 511 return ret; 512 error: 513 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 514 return ret; 515 } 516 517 static int tda10071_read_signal_strength(struct dvb_frontend *fe, u16 *strength) 518 { 519 struct tda10071_priv *priv = fe->demodulator_priv; 520 struct tda10071_cmd cmd; 521 int ret; 522 u8 tmp; 523 524 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) { 525 *strength = 0; 526 ret = 0; 527 goto error; 528 } 529 530 cmd.args[0] = CMD_GET_AGCACC; 531 cmd.args[1] = 0; 532 cmd.len = 2; 533 ret = tda10071_cmd_execute(priv, &cmd); 534 if (ret) 535 goto error; 536 537 /* input power estimate dBm */ 538 ret = tda10071_rd_reg(priv, 0x50, &tmp); 539 if (ret) 540 goto error; 541 542 if (tmp < 181) 543 tmp = 181; /* -75 dBm */ 544 else if (tmp > 236) 545 tmp = 236; /* -20 dBm */ 546 547 /* scale value to 0x0000-0xffff */ 548 *strength = (tmp-181) * 0xffff / (236-181); 549 550 return ret; 551 error: 552 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 553 return ret; 554 } 555 556 static int tda10071_read_ber(struct dvb_frontend *fe, u32 *ber) 557 { 558 struct tda10071_priv *priv = fe->demodulator_priv; 559 struct tda10071_cmd cmd; 560 int ret, i, len; 561 u8 tmp, reg, buf[8]; 562 563 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) { 564 *ber = priv->ber = 0; 565 ret = 0; 566 goto error; 567 } 568 569 switch (priv->delivery_system) { 570 case SYS_DVBS: 571 reg = 0x4c; 572 len = 8; 573 i = 1; 574 break; 575 case SYS_DVBS2: 576 reg = 0x4d; 577 len = 4; 578 i = 0; 579 break; 580 default: 581 *ber = priv->ber = 0; 582 return 0; 583 } 584 585 ret = tda10071_rd_reg(priv, reg, &tmp); 586 if (ret) 587 goto error; 588 589 if (priv->meas_count[i] == tmp) { 590 dev_dbg(&priv->i2c->dev, "%s: meas not ready=%02x\n", __func__, 591 tmp); 592 *ber = priv->ber; 593 return 0; 594 } else { 595 priv->meas_count[i] = tmp; 596 } 597 598 cmd.args[0] = CMD_BER_UPDATE_COUNTERS; 599 cmd.args[1] = 0; 600 cmd.args[2] = i; 601 cmd.len = 3; 602 ret = tda10071_cmd_execute(priv, &cmd); 603 if (ret) 604 goto error; 605 606 ret = tda10071_rd_regs(priv, cmd.len, buf, len); 607 if (ret) 608 goto error; 609 610 if (priv->delivery_system == SYS_DVBS) { 611 *ber = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]; 612 priv->ucb += (buf[4] << 8) | buf[5]; 613 } else { 614 *ber = (buf[0] << 8) | buf[1]; 615 } 616 priv->ber = *ber; 617 618 return ret; 619 error: 620 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 621 return ret; 622 } 623 624 static int tda10071_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) 625 { 626 struct tda10071_priv *priv = fe->demodulator_priv; 627 int ret = 0; 628 629 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) { 630 *ucblocks = 0; 631 goto error; 632 } 633 634 /* UCB is updated when BER is read. Assume BER is read anyway. */ 635 636 *ucblocks = priv->ucb; 637 638 return ret; 639 error: 640 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 641 return ret; 642 } 643 644 static int tda10071_set_frontend(struct dvb_frontend *fe) 645 { 646 struct tda10071_priv *priv = fe->demodulator_priv; 647 struct tda10071_cmd cmd; 648 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 649 int ret, i; 650 u8 mode, rolloff, pilot, inversion, div; 651 652 dev_dbg(&priv->i2c->dev, "%s: delivery_system=%d modulation=%d " \ 653 "frequency=%d symbol_rate=%d inversion=%d pilot=%d " \ 654 "rolloff=%d\n", __func__, c->delivery_system, c->modulation, 655 c->frequency, c->symbol_rate, c->inversion, c->pilot, 656 c->rolloff); 657 658 priv->delivery_system = SYS_UNDEFINED; 659 660 if (!priv->warm) { 661 ret = -EFAULT; 662 goto error; 663 } 664 665 switch (c->inversion) { 666 case INVERSION_OFF: 667 inversion = 1; 668 break; 669 case INVERSION_ON: 670 inversion = 0; 671 break; 672 case INVERSION_AUTO: 673 /* 2 = auto; try first on then off 674 * 3 = auto; try first off then on */ 675 inversion = 3; 676 break; 677 default: 678 dev_dbg(&priv->i2c->dev, "%s: invalid inversion\n", __func__); 679 ret = -EINVAL; 680 goto error; 681 } 682 683 switch (c->delivery_system) { 684 case SYS_DVBS: 685 rolloff = 0; 686 pilot = 2; 687 break; 688 case SYS_DVBS2: 689 switch (c->rolloff) { 690 case ROLLOFF_20: 691 rolloff = 2; 692 break; 693 case ROLLOFF_25: 694 rolloff = 1; 695 break; 696 case ROLLOFF_35: 697 rolloff = 0; 698 break; 699 case ROLLOFF_AUTO: 700 default: 701 dev_dbg(&priv->i2c->dev, "%s: invalid rolloff\n", 702 __func__); 703 ret = -EINVAL; 704 goto error; 705 } 706 707 switch (c->pilot) { 708 case PILOT_OFF: 709 pilot = 0; 710 break; 711 case PILOT_ON: 712 pilot = 1; 713 break; 714 case PILOT_AUTO: 715 pilot = 2; 716 break; 717 default: 718 dev_dbg(&priv->i2c->dev, "%s: invalid pilot\n", 719 __func__); 720 ret = -EINVAL; 721 goto error; 722 } 723 break; 724 default: 725 dev_dbg(&priv->i2c->dev, "%s: invalid delivery_system\n", 726 __func__); 727 ret = -EINVAL; 728 goto error; 729 } 730 731 for (i = 0, mode = 0xff; i < ARRAY_SIZE(TDA10071_MODCOD); i++) { 732 if (c->delivery_system == TDA10071_MODCOD[i].delivery_system && 733 c->modulation == TDA10071_MODCOD[i].modulation && 734 c->fec_inner == TDA10071_MODCOD[i].fec) { 735 mode = TDA10071_MODCOD[i].val; 736 dev_dbg(&priv->i2c->dev, "%s: mode found=%02x\n", 737 __func__, mode); 738 break; 739 } 740 } 741 742 if (mode == 0xff) { 743 dev_dbg(&priv->i2c->dev, "%s: invalid parameter combination\n", 744 __func__); 745 ret = -EINVAL; 746 goto error; 747 } 748 749 if (c->symbol_rate <= 5000000) 750 div = 14; 751 else 752 div = 4; 753 754 ret = tda10071_wr_reg(priv, 0x81, div); 755 if (ret) 756 goto error; 757 758 ret = tda10071_wr_reg(priv, 0xe3, div); 759 if (ret) 760 goto error; 761 762 cmd.args[0] = CMD_CHANGE_CHANNEL; 763 cmd.args[1] = 0; 764 cmd.args[2] = mode; 765 cmd.args[3] = (c->frequency >> 16) & 0xff; 766 cmd.args[4] = (c->frequency >> 8) & 0xff; 767 cmd.args[5] = (c->frequency >> 0) & 0xff; 768 cmd.args[6] = ((c->symbol_rate / 1000) >> 8) & 0xff; 769 cmd.args[7] = ((c->symbol_rate / 1000) >> 0) & 0xff; 770 cmd.args[8] = (tda10071_ops.info.frequency_tolerance >> 8) & 0xff; 771 cmd.args[9] = (tda10071_ops.info.frequency_tolerance >> 0) & 0xff; 772 cmd.args[10] = rolloff; 773 cmd.args[11] = inversion; 774 cmd.args[12] = pilot; 775 cmd.args[13] = 0x00; 776 cmd.args[14] = 0x00; 777 cmd.len = 15; 778 ret = tda10071_cmd_execute(priv, &cmd); 779 if (ret) 780 goto error; 781 782 priv->delivery_system = c->delivery_system; 783 784 return ret; 785 error: 786 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 787 return ret; 788 } 789 790 static int tda10071_get_frontend(struct dvb_frontend *fe) 791 { 792 struct tda10071_priv *priv = fe->demodulator_priv; 793 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 794 int ret, i; 795 u8 buf[5], tmp; 796 797 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) { 798 ret = -EFAULT; 799 goto error; 800 } 801 802 ret = tda10071_rd_regs(priv, 0x30, buf, 5); 803 if (ret) 804 goto error; 805 806 tmp = buf[0] & 0x3f; 807 for (i = 0; i < ARRAY_SIZE(TDA10071_MODCOD); i++) { 808 if (tmp == TDA10071_MODCOD[i].val) { 809 c->modulation = TDA10071_MODCOD[i].modulation; 810 c->fec_inner = TDA10071_MODCOD[i].fec; 811 c->delivery_system = TDA10071_MODCOD[i].delivery_system; 812 } 813 } 814 815 switch ((buf[1] >> 0) & 0x01) { 816 case 0: 817 c->inversion = INVERSION_OFF; 818 break; 819 case 1: 820 c->inversion = INVERSION_ON; 821 break; 822 } 823 824 switch ((buf[1] >> 7) & 0x01) { 825 case 0: 826 c->pilot = PILOT_OFF; 827 break; 828 case 1: 829 c->pilot = PILOT_ON; 830 break; 831 } 832 833 c->frequency = (buf[2] << 16) | (buf[3] << 8) | (buf[4] << 0); 834 835 ret = tda10071_rd_regs(priv, 0x52, buf, 3); 836 if (ret) 837 goto error; 838 839 c->symbol_rate = (buf[0] << 16) | (buf[1] << 8) | (buf[2] << 0); 840 841 return ret; 842 error: 843 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 844 return ret; 845 } 846 847 static int tda10071_init(struct dvb_frontend *fe) 848 { 849 struct tda10071_priv *priv = fe->demodulator_priv; 850 struct tda10071_cmd cmd; 851 int ret, i, len, remaining, fw_size; 852 const struct firmware *fw; 853 u8 *fw_file = TDA10071_FIRMWARE; 854 u8 tmp, buf[4]; 855 struct tda10071_reg_val_mask tab[] = { 856 { 0xcd, 0x00, 0x07 }, 857 { 0x80, 0x00, 0x02 }, 858 { 0xcd, 0x00, 0xc0 }, 859 { 0xce, 0x00, 0x1b }, 860 { 0x9d, 0x00, 0x01 }, 861 { 0x9d, 0x00, 0x02 }, 862 { 0x9e, 0x00, 0x01 }, 863 { 0x87, 0x00, 0x80 }, 864 { 0xce, 0x00, 0x08 }, 865 { 0xce, 0x00, 0x10 }, 866 }; 867 struct tda10071_reg_val_mask tab2[] = { 868 { 0xf1, 0x70, 0xff }, 869 { 0x88, priv->cfg.pll_multiplier, 0x3f }, 870 { 0x89, 0x00, 0x10 }, 871 { 0x89, 0x10, 0x10 }, 872 { 0xc0, 0x01, 0x01 }, 873 { 0xc0, 0x00, 0x01 }, 874 { 0xe0, 0xff, 0xff }, 875 { 0xe0, 0x00, 0xff }, 876 { 0x96, 0x1e, 0x7e }, 877 { 0x8b, 0x08, 0x08 }, 878 { 0x8b, 0x00, 0x08 }, 879 { 0x8f, 0x1a, 0x7e }, 880 { 0x8c, 0x68, 0xff }, 881 { 0x8d, 0x08, 0xff }, 882 { 0x8e, 0x4c, 0xff }, 883 { 0x8f, 0x01, 0x01 }, 884 { 0x8b, 0x04, 0x04 }, 885 { 0x8b, 0x00, 0x04 }, 886 { 0x87, 0x05, 0x07 }, 887 { 0x80, 0x00, 0x20 }, 888 { 0xc8, 0x01, 0xff }, 889 { 0xb4, 0x47, 0xff }, 890 { 0xb5, 0x9c, 0xff }, 891 { 0xb6, 0x7d, 0xff }, 892 { 0xba, 0x00, 0x03 }, 893 { 0xb7, 0x47, 0xff }, 894 { 0xb8, 0x9c, 0xff }, 895 { 0xb9, 0x7d, 0xff }, 896 { 0xba, 0x00, 0x0c }, 897 { 0xc8, 0x00, 0xff }, 898 { 0xcd, 0x00, 0x04 }, 899 { 0xcd, 0x00, 0x20 }, 900 { 0xe8, 0x02, 0xff }, 901 { 0xcf, 0x20, 0xff }, 902 { 0x9b, 0xd7, 0xff }, 903 { 0x9a, 0x01, 0x03 }, 904 { 0xa8, 0x05, 0x0f }, 905 { 0xa8, 0x65, 0xf0 }, 906 { 0xa6, 0xa0, 0xf0 }, 907 { 0x9d, 0x50, 0xfc }, 908 { 0x9e, 0x20, 0xe0 }, 909 { 0xa3, 0x1c, 0x7c }, 910 { 0xd5, 0x03, 0x03 }, 911 }; 912 913 /* firmware status */ 914 ret = tda10071_rd_reg(priv, 0x51, &tmp); 915 if (ret) 916 goto error; 917 918 if (!tmp) { 919 /* warm state - wake up device from sleep */ 920 priv->warm = 1; 921 922 for (i = 0; i < ARRAY_SIZE(tab); i++) { 923 ret = tda10071_wr_reg_mask(priv, tab[i].reg, 924 tab[i].val, tab[i].mask); 925 if (ret) 926 goto error; 927 } 928 929 cmd.args[0] = CMD_SET_SLEEP_MODE; 930 cmd.args[1] = 0; 931 cmd.args[2] = 0; 932 cmd.len = 3; 933 ret = tda10071_cmd_execute(priv, &cmd); 934 if (ret) 935 goto error; 936 } else { 937 /* cold state - try to download firmware */ 938 priv->warm = 0; 939 940 /* request the firmware, this will block and timeout */ 941 ret = request_firmware(&fw, fw_file, priv->i2c->dev.parent); 942 if (ret) { 943 dev_err(&priv->i2c->dev, "%s: did not find the " \ 944 "firmware file. (%s) Please see " \ 945 "linux/Documentation/dvb/ for more " \ 946 "details on firmware-problems. (%d)\n", 947 KBUILD_MODNAME, fw_file, ret); 948 goto error; 949 } 950 951 /* init */ 952 for (i = 0; i < ARRAY_SIZE(tab2); i++) { 953 ret = tda10071_wr_reg_mask(priv, tab2[i].reg, 954 tab2[i].val, tab2[i].mask); 955 if (ret) 956 goto error_release_firmware; 957 } 958 959 /* download firmware */ 960 ret = tda10071_wr_reg(priv, 0xe0, 0x7f); 961 if (ret) 962 goto error_release_firmware; 963 964 ret = tda10071_wr_reg(priv, 0xf7, 0x81); 965 if (ret) 966 goto error_release_firmware; 967 968 ret = tda10071_wr_reg(priv, 0xf8, 0x00); 969 if (ret) 970 goto error_release_firmware; 971 972 ret = tda10071_wr_reg(priv, 0xf9, 0x00); 973 if (ret) 974 goto error_release_firmware; 975 976 dev_info(&priv->i2c->dev, "%s: found a '%s' in cold state, " \ 977 "will try to load a firmware\n", KBUILD_MODNAME, 978 tda10071_ops.info.name); 979 dev_info(&priv->i2c->dev, "%s: downloading firmware from " \ 980 "file '%s'\n", KBUILD_MODNAME, fw_file); 981 982 /* do not download last byte */ 983 fw_size = fw->size - 1; 984 985 for (remaining = fw_size; remaining > 0; 986 remaining -= (priv->cfg.i2c_wr_max - 1)) { 987 len = remaining; 988 if (len > (priv->cfg.i2c_wr_max - 1)) 989 len = (priv->cfg.i2c_wr_max - 1); 990 991 ret = tda10071_wr_regs(priv, 0xfa, 992 (u8 *) &fw->data[fw_size - remaining], len); 993 if (ret) { 994 dev_err(&priv->i2c->dev, "%s: firmware " \ 995 "download failed=%d\n", 996 KBUILD_MODNAME, ret); 997 if (ret) 998 goto error_release_firmware; 999 } 1000 } 1001 release_firmware(fw); 1002 1003 ret = tda10071_wr_reg(priv, 0xf7, 0x0c); 1004 if (ret) 1005 goto error; 1006 1007 ret = tda10071_wr_reg(priv, 0xe0, 0x00); 1008 if (ret) 1009 goto error; 1010 1011 /* wait firmware start */ 1012 msleep(250); 1013 1014 /* firmware status */ 1015 ret = tda10071_rd_reg(priv, 0x51, &tmp); 1016 if (ret) 1017 goto error; 1018 1019 if (tmp) { 1020 dev_info(&priv->i2c->dev, "%s: firmware did not run\n", 1021 KBUILD_MODNAME); 1022 ret = -EFAULT; 1023 goto error; 1024 } else { 1025 priv->warm = 1; 1026 } 1027 1028 cmd.args[0] = CMD_GET_FW_VERSION; 1029 cmd.len = 1; 1030 ret = tda10071_cmd_execute(priv, &cmd); 1031 if (ret) 1032 goto error; 1033 1034 ret = tda10071_rd_regs(priv, cmd.len, buf, 4); 1035 if (ret) 1036 goto error; 1037 1038 dev_info(&priv->i2c->dev, "%s: firmware version %d.%d.%d.%d\n", 1039 KBUILD_MODNAME, buf[0], buf[1], buf[2], buf[3]); 1040 dev_info(&priv->i2c->dev, "%s: found a '%s' in warm state\n", 1041 KBUILD_MODNAME, tda10071_ops.info.name); 1042 1043 ret = tda10071_rd_regs(priv, 0x81, buf, 2); 1044 if (ret) 1045 goto error; 1046 1047 cmd.args[0] = CMD_DEMOD_INIT; 1048 cmd.args[1] = ((priv->cfg.xtal / 1000) >> 8) & 0xff; 1049 cmd.args[2] = ((priv->cfg.xtal / 1000) >> 0) & 0xff; 1050 cmd.args[3] = buf[0]; 1051 cmd.args[4] = buf[1]; 1052 cmd.args[5] = priv->cfg.pll_multiplier; 1053 cmd.args[6] = priv->cfg.spec_inv; 1054 cmd.args[7] = 0x00; 1055 cmd.len = 8; 1056 ret = tda10071_cmd_execute(priv, &cmd); 1057 if (ret) 1058 goto error; 1059 1060 cmd.args[0] = CMD_TUNER_INIT; 1061 cmd.args[1] = 0x00; 1062 cmd.args[2] = 0x00; 1063 cmd.args[3] = 0x00; 1064 cmd.args[4] = 0x00; 1065 cmd.args[5] = 0x14; 1066 cmd.args[6] = 0x00; 1067 cmd.args[7] = 0x03; 1068 cmd.args[8] = 0x02; 1069 cmd.args[9] = 0x02; 1070 cmd.args[10] = 0x00; 1071 cmd.args[11] = 0x00; 1072 cmd.args[12] = 0x00; 1073 cmd.args[13] = 0x00; 1074 cmd.args[14] = 0x00; 1075 cmd.len = 15; 1076 ret = tda10071_cmd_execute(priv, &cmd); 1077 if (ret) 1078 goto error; 1079 1080 cmd.args[0] = CMD_MPEG_CONFIG; 1081 cmd.args[1] = 0; 1082 cmd.args[2] = priv->cfg.ts_mode; 1083 cmd.args[3] = 0x00; 1084 cmd.args[4] = 0x04; 1085 cmd.args[5] = 0x00; 1086 cmd.len = 6; 1087 ret = tda10071_cmd_execute(priv, &cmd); 1088 if (ret) 1089 goto error; 1090 1091 ret = tda10071_wr_reg_mask(priv, 0xf0, 0x01, 0x01); 1092 if (ret) 1093 goto error; 1094 1095 cmd.args[0] = CMD_LNB_CONFIG; 1096 cmd.args[1] = 0; 1097 cmd.args[2] = 150; 1098 cmd.args[3] = 3; 1099 cmd.args[4] = 22; 1100 cmd.args[5] = 1; 1101 cmd.args[6] = 1; 1102 cmd.args[7] = 30; 1103 cmd.args[8] = 30; 1104 cmd.args[9] = 30; 1105 cmd.args[10] = 30; 1106 cmd.len = 11; 1107 ret = tda10071_cmd_execute(priv, &cmd); 1108 if (ret) 1109 goto error; 1110 1111 cmd.args[0] = CMD_BER_CONTROL; 1112 cmd.args[1] = 0; 1113 cmd.args[2] = 14; 1114 cmd.args[3] = 14; 1115 cmd.len = 4; 1116 ret = tda10071_cmd_execute(priv, &cmd); 1117 if (ret) 1118 goto error; 1119 } 1120 1121 return ret; 1122 error_release_firmware: 1123 release_firmware(fw); 1124 error: 1125 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 1126 return ret; 1127 } 1128 1129 static int tda10071_sleep(struct dvb_frontend *fe) 1130 { 1131 struct tda10071_priv *priv = fe->demodulator_priv; 1132 struct tda10071_cmd cmd; 1133 int ret, i; 1134 struct tda10071_reg_val_mask tab[] = { 1135 { 0xcd, 0x07, 0x07 }, 1136 { 0x80, 0x02, 0x02 }, 1137 { 0xcd, 0xc0, 0xc0 }, 1138 { 0xce, 0x1b, 0x1b }, 1139 { 0x9d, 0x01, 0x01 }, 1140 { 0x9d, 0x02, 0x02 }, 1141 { 0x9e, 0x01, 0x01 }, 1142 { 0x87, 0x80, 0x80 }, 1143 { 0xce, 0x08, 0x08 }, 1144 { 0xce, 0x10, 0x10 }, 1145 }; 1146 1147 if (!priv->warm) { 1148 ret = -EFAULT; 1149 goto error; 1150 } 1151 1152 cmd.args[0] = CMD_SET_SLEEP_MODE; 1153 cmd.args[1] = 0; 1154 cmd.args[2] = 1; 1155 cmd.len = 3; 1156 ret = tda10071_cmd_execute(priv, &cmd); 1157 if (ret) 1158 goto error; 1159 1160 for (i = 0; i < ARRAY_SIZE(tab); i++) { 1161 ret = tda10071_wr_reg_mask(priv, tab[i].reg, tab[i].val, 1162 tab[i].mask); 1163 if (ret) 1164 goto error; 1165 } 1166 1167 return ret; 1168 error: 1169 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 1170 return ret; 1171 } 1172 1173 static int tda10071_get_tune_settings(struct dvb_frontend *fe, 1174 struct dvb_frontend_tune_settings *s) 1175 { 1176 s->min_delay_ms = 8000; 1177 s->step_size = 0; 1178 s->max_drift = 0; 1179 1180 return 0; 1181 } 1182 1183 static void tda10071_release(struct dvb_frontend *fe) 1184 { 1185 struct tda10071_priv *priv = fe->demodulator_priv; 1186 kfree(priv); 1187 } 1188 1189 struct dvb_frontend *tda10071_attach(const struct tda10071_config *config, 1190 struct i2c_adapter *i2c) 1191 { 1192 int ret; 1193 struct tda10071_priv *priv = NULL; 1194 u8 tmp; 1195 1196 /* allocate memory for the internal priv */ 1197 priv = kzalloc(sizeof(struct tda10071_priv), GFP_KERNEL); 1198 if (priv == NULL) { 1199 ret = -ENOMEM; 1200 goto error; 1201 } 1202 1203 /* setup the priv */ 1204 priv->i2c = i2c; 1205 memcpy(&priv->cfg, config, sizeof(struct tda10071_config)); 1206 1207 /* chip ID */ 1208 ret = tda10071_rd_reg(priv, 0xff, &tmp); 1209 if (ret || tmp != 0x0f) 1210 goto error; 1211 1212 /* chip type */ 1213 ret = tda10071_rd_reg(priv, 0xdd, &tmp); 1214 if (ret || tmp != 0x00) 1215 goto error; 1216 1217 /* chip version */ 1218 ret = tda10071_rd_reg(priv, 0xfe, &tmp); 1219 if (ret || tmp != 0x01) 1220 goto error; 1221 1222 /* create dvb_frontend */ 1223 memcpy(&priv->fe.ops, &tda10071_ops, sizeof(struct dvb_frontend_ops)); 1224 priv->fe.demodulator_priv = priv; 1225 1226 return &priv->fe; 1227 error: 1228 dev_dbg(&i2c->dev, "%s: failed=%d\n", __func__, ret); 1229 kfree(priv); 1230 return NULL; 1231 } 1232 EXPORT_SYMBOL(tda10071_attach); 1233 1234 static struct dvb_frontend_ops tda10071_ops = { 1235 .delsys = { SYS_DVBS, SYS_DVBS2 }, 1236 .info = { 1237 .name = "NXP TDA10071", 1238 .frequency_min = 950000, 1239 .frequency_max = 2150000, 1240 .frequency_tolerance = 5000, 1241 .symbol_rate_min = 1000000, 1242 .symbol_rate_max = 45000000, 1243 .caps = FE_CAN_INVERSION_AUTO | 1244 FE_CAN_FEC_1_2 | 1245 FE_CAN_FEC_2_3 | 1246 FE_CAN_FEC_3_4 | 1247 FE_CAN_FEC_4_5 | 1248 FE_CAN_FEC_5_6 | 1249 FE_CAN_FEC_6_7 | 1250 FE_CAN_FEC_7_8 | 1251 FE_CAN_FEC_8_9 | 1252 FE_CAN_FEC_AUTO | 1253 FE_CAN_QPSK | 1254 FE_CAN_RECOVER | 1255 FE_CAN_2G_MODULATION 1256 }, 1257 1258 .release = tda10071_release, 1259 1260 .get_tune_settings = tda10071_get_tune_settings, 1261 1262 .init = tda10071_init, 1263 .sleep = tda10071_sleep, 1264 1265 .set_frontend = tda10071_set_frontend, 1266 .get_frontend = tda10071_get_frontend, 1267 1268 .read_status = tda10071_read_status, 1269 .read_snr = tda10071_read_snr, 1270 .read_signal_strength = tda10071_read_signal_strength, 1271 .read_ber = tda10071_read_ber, 1272 .read_ucblocks = tda10071_read_ucblocks, 1273 1274 .diseqc_send_master_cmd = tda10071_diseqc_send_master_cmd, 1275 .diseqc_recv_slave_reply = tda10071_diseqc_recv_slave_reply, 1276 .diseqc_send_burst = tda10071_diseqc_send_burst, 1277 1278 .set_tone = tda10071_set_tone, 1279 .set_voltage = tda10071_set_voltage, 1280 }; 1281 1282 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); 1283 MODULE_DESCRIPTION("NXP TDA10071 DVB-S/S2 demodulator driver"); 1284 MODULE_LICENSE("GPL"); 1285 MODULE_FIRMWARE(TDA10071_FIRMWARE); 1286