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 /* Max transfer size done by I2C transfer functions */ 24 #define MAX_XFER_SIZE 64 25 26 static struct dvb_frontend_ops tda10071_ops; 27 28 /* write multiple registers */ 29 static int tda10071_wr_regs(struct tda10071_priv *priv, u8 reg, u8 *val, 30 int len) 31 { 32 int ret; 33 u8 buf[MAX_XFER_SIZE]; 34 struct i2c_msg msg[1] = { 35 { 36 .addr = priv->cfg.demod_i2c_addr, 37 .flags = 0, 38 .len = 1 + len, 39 .buf = buf, 40 } 41 }; 42 43 if (1 + len > sizeof(buf)) { 44 dev_warn(&priv->i2c->dev, 45 "%s: i2c wr reg=%04x: len=%d is too big!\n", 46 KBUILD_MODNAME, reg, len); 47 return -EINVAL; 48 } 49 50 buf[0] = reg; 51 memcpy(&buf[1], val, len); 52 53 ret = i2c_transfer(priv->i2c, msg, 1); 54 if (ret == 1) { 55 ret = 0; 56 } else { 57 dev_warn(&priv->i2c->dev, "%s: i2c wr failed=%d reg=%02x " \ 58 "len=%d\n", KBUILD_MODNAME, ret, reg, len); 59 ret = -EREMOTEIO; 60 } 61 return ret; 62 } 63 64 /* read multiple registers */ 65 static int tda10071_rd_regs(struct tda10071_priv *priv, u8 reg, u8 *val, 66 int len) 67 { 68 int ret; 69 u8 buf[MAX_XFER_SIZE]; 70 struct i2c_msg msg[2] = { 71 { 72 .addr = priv->cfg.demod_i2c_addr, 73 .flags = 0, 74 .len = 1, 75 .buf = ®, 76 }, { 77 .addr = priv->cfg.demod_i2c_addr, 78 .flags = I2C_M_RD, 79 .len = len, 80 .buf = buf, 81 } 82 }; 83 84 if (len > sizeof(buf)) { 85 dev_warn(&priv->i2c->dev, 86 "%s: i2c wr reg=%04x: len=%d is too big!\n", 87 KBUILD_MODNAME, reg, len); 88 return -EINVAL; 89 } 90 91 ret = i2c_transfer(priv->i2c, msg, 2); 92 if (ret == 2) { 93 memcpy(val, buf, len); 94 ret = 0; 95 } else { 96 dev_warn(&priv->i2c->dev, "%s: i2c rd failed=%d reg=%02x " \ 97 "len=%d\n", KBUILD_MODNAME, ret, reg, len); 98 ret = -EREMOTEIO; 99 } 100 return ret; 101 } 102 103 /* write single register */ 104 static int tda10071_wr_reg(struct tda10071_priv *priv, u8 reg, u8 val) 105 { 106 return tda10071_wr_regs(priv, reg, &val, 1); 107 } 108 109 /* read single register */ 110 static int tda10071_rd_reg(struct tda10071_priv *priv, u8 reg, u8 *val) 111 { 112 return tda10071_rd_regs(priv, reg, val, 1); 113 } 114 115 /* write single register with mask */ 116 static int tda10071_wr_reg_mask(struct tda10071_priv *priv, 117 u8 reg, u8 val, u8 mask) 118 { 119 int ret; 120 u8 tmp; 121 122 /* no need for read if whole reg is written */ 123 if (mask != 0xff) { 124 ret = tda10071_rd_regs(priv, reg, &tmp, 1); 125 if (ret) 126 return ret; 127 128 val &= mask; 129 tmp &= ~mask; 130 val |= tmp; 131 } 132 133 return tda10071_wr_regs(priv, reg, &val, 1); 134 } 135 136 /* read single register with mask */ 137 static int tda10071_rd_reg_mask(struct tda10071_priv *priv, 138 u8 reg, u8 *val, u8 mask) 139 { 140 int ret, i; 141 u8 tmp; 142 143 ret = tda10071_rd_regs(priv, reg, &tmp, 1); 144 if (ret) 145 return ret; 146 147 tmp &= mask; 148 149 /* find position of the first bit */ 150 for (i = 0; i < 8; i++) { 151 if ((mask >> i) & 0x01) 152 break; 153 } 154 *val = tmp >> i; 155 156 return 0; 157 } 158 159 /* execute firmware command */ 160 static int tda10071_cmd_execute(struct tda10071_priv *priv, 161 struct tda10071_cmd *cmd) 162 { 163 int ret, i; 164 u8 tmp; 165 166 if (!priv->warm) { 167 ret = -EFAULT; 168 goto error; 169 } 170 171 /* write cmd and args for firmware */ 172 ret = tda10071_wr_regs(priv, 0x00, cmd->args, cmd->len); 173 if (ret) 174 goto error; 175 176 /* start cmd execution */ 177 ret = tda10071_wr_reg(priv, 0x1f, 1); 178 if (ret) 179 goto error; 180 181 /* wait cmd execution terminate */ 182 for (i = 1000, tmp = 1; i && tmp; i--) { 183 ret = tda10071_rd_reg(priv, 0x1f, &tmp); 184 if (ret) 185 goto error; 186 187 usleep_range(200, 5000); 188 } 189 190 dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i); 191 192 if (i == 0) { 193 ret = -ETIMEDOUT; 194 goto error; 195 } 196 197 return ret; 198 error: 199 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 200 return ret; 201 } 202 203 static int tda10071_set_tone(struct dvb_frontend *fe, 204 fe_sec_tone_mode_t fe_sec_tone_mode) 205 { 206 struct tda10071_priv *priv = fe->demodulator_priv; 207 struct tda10071_cmd cmd; 208 int ret; 209 u8 tone; 210 211 if (!priv->warm) { 212 ret = -EFAULT; 213 goto error; 214 } 215 216 dev_dbg(&priv->i2c->dev, "%s: tone_mode=%d\n", __func__, 217 fe_sec_tone_mode); 218 219 switch (fe_sec_tone_mode) { 220 case SEC_TONE_ON: 221 tone = 1; 222 break; 223 case SEC_TONE_OFF: 224 tone = 0; 225 break; 226 default: 227 dev_dbg(&priv->i2c->dev, "%s: invalid fe_sec_tone_mode\n", 228 __func__); 229 ret = -EINVAL; 230 goto error; 231 } 232 233 cmd.args[0] = CMD_LNB_PCB_CONFIG; 234 cmd.args[1] = 0; 235 cmd.args[2] = 0x00; 236 cmd.args[3] = 0x00; 237 cmd.args[4] = tone; 238 cmd.len = 5; 239 ret = tda10071_cmd_execute(priv, &cmd); 240 if (ret) 241 goto error; 242 243 return ret; 244 error: 245 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 246 return ret; 247 } 248 249 static int tda10071_set_voltage(struct dvb_frontend *fe, 250 fe_sec_voltage_t fe_sec_voltage) 251 { 252 struct tda10071_priv *priv = fe->demodulator_priv; 253 struct tda10071_cmd cmd; 254 int ret; 255 u8 voltage; 256 257 if (!priv->warm) { 258 ret = -EFAULT; 259 goto error; 260 } 261 262 dev_dbg(&priv->i2c->dev, "%s: voltage=%d\n", __func__, fe_sec_voltage); 263 264 switch (fe_sec_voltage) { 265 case SEC_VOLTAGE_13: 266 voltage = 0; 267 break; 268 case SEC_VOLTAGE_18: 269 voltage = 1; 270 break; 271 case SEC_VOLTAGE_OFF: 272 voltage = 0; 273 break; 274 default: 275 dev_dbg(&priv->i2c->dev, "%s: invalid fe_sec_voltage\n", 276 __func__); 277 ret = -EINVAL; 278 goto error; 279 } 280 281 cmd.args[0] = CMD_LNB_SET_DC_LEVEL; 282 cmd.args[1] = 0; 283 cmd.args[2] = voltage; 284 cmd.len = 3; 285 ret = tda10071_cmd_execute(priv, &cmd); 286 if (ret) 287 goto error; 288 289 return ret; 290 error: 291 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 292 return ret; 293 } 294 295 static int tda10071_diseqc_send_master_cmd(struct dvb_frontend *fe, 296 struct dvb_diseqc_master_cmd *diseqc_cmd) 297 { 298 struct tda10071_priv *priv = fe->demodulator_priv; 299 struct tda10071_cmd cmd; 300 int ret, i; 301 u8 tmp; 302 303 if (!priv->warm) { 304 ret = -EFAULT; 305 goto error; 306 } 307 308 dev_dbg(&priv->i2c->dev, "%s: msg_len=%d\n", __func__, 309 diseqc_cmd->msg_len); 310 311 if (diseqc_cmd->msg_len < 3 || diseqc_cmd->msg_len > 6) { 312 ret = -EINVAL; 313 goto error; 314 } 315 316 /* wait LNB TX */ 317 for (i = 500, tmp = 0; i && !tmp; i--) { 318 ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x01); 319 if (ret) 320 goto error; 321 322 usleep_range(10000, 20000); 323 } 324 325 dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i); 326 327 if (i == 0) { 328 ret = -ETIMEDOUT; 329 goto error; 330 } 331 332 ret = tda10071_wr_reg_mask(priv, 0x47, 0x00, 0x01); 333 if (ret) 334 goto error; 335 336 cmd.args[0] = CMD_LNB_SEND_DISEQC; 337 cmd.args[1] = 0; 338 cmd.args[2] = 0; 339 cmd.args[3] = 0; 340 cmd.args[4] = 2; 341 cmd.args[5] = 0; 342 cmd.args[6] = diseqc_cmd->msg_len; 343 memcpy(&cmd.args[7], diseqc_cmd->msg, diseqc_cmd->msg_len); 344 cmd.len = 7 + diseqc_cmd->msg_len; 345 ret = tda10071_cmd_execute(priv, &cmd); 346 if (ret) 347 goto error; 348 349 return ret; 350 error: 351 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 352 return ret; 353 } 354 355 static int tda10071_diseqc_recv_slave_reply(struct dvb_frontend *fe, 356 struct dvb_diseqc_slave_reply *reply) 357 { 358 struct tda10071_priv *priv = fe->demodulator_priv; 359 struct tda10071_cmd cmd; 360 int ret, i; 361 u8 tmp; 362 363 if (!priv->warm) { 364 ret = -EFAULT; 365 goto error; 366 } 367 368 dev_dbg(&priv->i2c->dev, "%s:\n", __func__); 369 370 /* wait LNB RX */ 371 for (i = 500, tmp = 0; i && !tmp; i--) { 372 ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x02); 373 if (ret) 374 goto error; 375 376 usleep_range(10000, 20000); 377 } 378 379 dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i); 380 381 if (i == 0) { 382 ret = -ETIMEDOUT; 383 goto error; 384 } 385 386 /* reply len */ 387 ret = tda10071_rd_reg(priv, 0x46, &tmp); 388 if (ret) 389 goto error; 390 391 reply->msg_len = tmp & 0x1f; /* [4:0] */ 392 if (reply->msg_len > sizeof(reply->msg)) 393 reply->msg_len = sizeof(reply->msg); /* truncate API max */ 394 395 /* read reply */ 396 cmd.args[0] = CMD_LNB_UPDATE_REPLY; 397 cmd.args[1] = 0; 398 cmd.len = 2; 399 ret = tda10071_cmd_execute(priv, &cmd); 400 if (ret) 401 goto error; 402 403 ret = tda10071_rd_regs(priv, cmd.len, reply->msg, reply->msg_len); 404 if (ret) 405 goto error; 406 407 return ret; 408 error: 409 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 410 return ret; 411 } 412 413 static int tda10071_diseqc_send_burst(struct dvb_frontend *fe, 414 fe_sec_mini_cmd_t fe_sec_mini_cmd) 415 { 416 struct tda10071_priv *priv = fe->demodulator_priv; 417 struct tda10071_cmd cmd; 418 int ret, i; 419 u8 tmp, burst; 420 421 if (!priv->warm) { 422 ret = -EFAULT; 423 goto error; 424 } 425 426 dev_dbg(&priv->i2c->dev, "%s: fe_sec_mini_cmd=%d\n", __func__, 427 fe_sec_mini_cmd); 428 429 switch (fe_sec_mini_cmd) { 430 case SEC_MINI_A: 431 burst = 0; 432 break; 433 case SEC_MINI_B: 434 burst = 1; 435 break; 436 default: 437 dev_dbg(&priv->i2c->dev, "%s: invalid fe_sec_mini_cmd\n", 438 __func__); 439 ret = -EINVAL; 440 goto error; 441 } 442 443 /* wait LNB TX */ 444 for (i = 500, tmp = 0; i && !tmp; i--) { 445 ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x01); 446 if (ret) 447 goto error; 448 449 usleep_range(10000, 20000); 450 } 451 452 dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i); 453 454 if (i == 0) { 455 ret = -ETIMEDOUT; 456 goto error; 457 } 458 459 ret = tda10071_wr_reg_mask(priv, 0x47, 0x00, 0x01); 460 if (ret) 461 goto error; 462 463 cmd.args[0] = CMD_LNB_SEND_TONEBURST; 464 cmd.args[1] = 0; 465 cmd.args[2] = burst; 466 cmd.len = 3; 467 ret = tda10071_cmd_execute(priv, &cmd); 468 if (ret) 469 goto error; 470 471 return ret; 472 error: 473 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 474 return ret; 475 } 476 477 static int tda10071_read_status(struct dvb_frontend *fe, fe_status_t *status) 478 { 479 struct tda10071_priv *priv = fe->demodulator_priv; 480 int ret; 481 u8 tmp; 482 483 *status = 0; 484 485 if (!priv->warm) { 486 ret = 0; 487 goto error; 488 } 489 490 ret = tda10071_rd_reg(priv, 0x39, &tmp); 491 if (ret) 492 goto error; 493 494 if (tmp & 0x01) /* tuner PLL */ 495 *status |= FE_HAS_SIGNAL; 496 if (tmp & 0x02) /* demod PLL */ 497 *status |= FE_HAS_CARRIER; 498 if (tmp & 0x04) /* viterbi or LDPC*/ 499 *status |= FE_HAS_VITERBI; 500 if (tmp & 0x08) /* RS or BCH */ 501 *status |= FE_HAS_SYNC | FE_HAS_LOCK; 502 503 priv->fe_status = *status; 504 505 return ret; 506 error: 507 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 508 return ret; 509 } 510 511 static int tda10071_read_snr(struct dvb_frontend *fe, u16 *snr) 512 { 513 struct tda10071_priv *priv = fe->demodulator_priv; 514 int ret; 515 u8 buf[2]; 516 517 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) { 518 *snr = 0; 519 ret = 0; 520 goto error; 521 } 522 523 ret = tda10071_rd_regs(priv, 0x3a, buf, 2); 524 if (ret) 525 goto error; 526 527 /* Es/No dBx10 */ 528 *snr = buf[0] << 8 | buf[1]; 529 530 return ret; 531 error: 532 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 533 return ret; 534 } 535 536 static int tda10071_read_signal_strength(struct dvb_frontend *fe, u16 *strength) 537 { 538 struct tda10071_priv *priv = fe->demodulator_priv; 539 struct tda10071_cmd cmd; 540 int ret; 541 u8 tmp; 542 543 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) { 544 *strength = 0; 545 ret = 0; 546 goto error; 547 } 548 549 cmd.args[0] = CMD_GET_AGCACC; 550 cmd.args[1] = 0; 551 cmd.len = 2; 552 ret = tda10071_cmd_execute(priv, &cmd); 553 if (ret) 554 goto error; 555 556 /* input power estimate dBm */ 557 ret = tda10071_rd_reg(priv, 0x50, &tmp); 558 if (ret) 559 goto error; 560 561 if (tmp < 181) 562 tmp = 181; /* -75 dBm */ 563 else if (tmp > 236) 564 tmp = 236; /* -20 dBm */ 565 566 /* scale value to 0x0000-0xffff */ 567 *strength = (tmp-181) * 0xffff / (236-181); 568 569 return ret; 570 error: 571 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 572 return ret; 573 } 574 575 static int tda10071_read_ber(struct dvb_frontend *fe, u32 *ber) 576 { 577 struct tda10071_priv *priv = fe->demodulator_priv; 578 struct tda10071_cmd cmd; 579 int ret, i, len; 580 u8 tmp, reg, buf[8]; 581 582 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) { 583 *ber = priv->ber = 0; 584 ret = 0; 585 goto error; 586 } 587 588 switch (priv->delivery_system) { 589 case SYS_DVBS: 590 reg = 0x4c; 591 len = 8; 592 i = 1; 593 break; 594 case SYS_DVBS2: 595 reg = 0x4d; 596 len = 4; 597 i = 0; 598 break; 599 default: 600 *ber = priv->ber = 0; 601 return 0; 602 } 603 604 ret = tda10071_rd_reg(priv, reg, &tmp); 605 if (ret) 606 goto error; 607 608 if (priv->meas_count[i] == tmp) { 609 dev_dbg(&priv->i2c->dev, "%s: meas not ready=%02x\n", __func__, 610 tmp); 611 *ber = priv->ber; 612 return 0; 613 } else { 614 priv->meas_count[i] = tmp; 615 } 616 617 cmd.args[0] = CMD_BER_UPDATE_COUNTERS; 618 cmd.args[1] = 0; 619 cmd.args[2] = i; 620 cmd.len = 3; 621 ret = tda10071_cmd_execute(priv, &cmd); 622 if (ret) 623 goto error; 624 625 ret = tda10071_rd_regs(priv, cmd.len, buf, len); 626 if (ret) 627 goto error; 628 629 if (priv->delivery_system == SYS_DVBS) { 630 *ber = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]; 631 priv->ucb += (buf[4] << 8) | buf[5]; 632 } else { 633 *ber = (buf[0] << 8) | buf[1]; 634 } 635 priv->ber = *ber; 636 637 return ret; 638 error: 639 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 640 return ret; 641 } 642 643 static int tda10071_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) 644 { 645 struct tda10071_priv *priv = fe->demodulator_priv; 646 int ret = 0; 647 648 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) { 649 *ucblocks = 0; 650 goto error; 651 } 652 653 /* UCB is updated when BER is read. Assume BER is read anyway. */ 654 655 *ucblocks = priv->ucb; 656 657 return ret; 658 error: 659 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 660 return ret; 661 } 662 663 static int tda10071_set_frontend(struct dvb_frontend *fe) 664 { 665 struct tda10071_priv *priv = fe->demodulator_priv; 666 struct tda10071_cmd cmd; 667 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 668 int ret, i; 669 u8 mode, rolloff, pilot, inversion, div; 670 671 dev_dbg(&priv->i2c->dev, "%s: delivery_system=%d modulation=%d " \ 672 "frequency=%d symbol_rate=%d inversion=%d pilot=%d " \ 673 "rolloff=%d\n", __func__, c->delivery_system, c->modulation, 674 c->frequency, c->symbol_rate, c->inversion, c->pilot, 675 c->rolloff); 676 677 priv->delivery_system = SYS_UNDEFINED; 678 679 if (!priv->warm) { 680 ret = -EFAULT; 681 goto error; 682 } 683 684 switch (c->inversion) { 685 case INVERSION_OFF: 686 inversion = 1; 687 break; 688 case INVERSION_ON: 689 inversion = 0; 690 break; 691 case INVERSION_AUTO: 692 /* 2 = auto; try first on then off 693 * 3 = auto; try first off then on */ 694 inversion = 3; 695 break; 696 default: 697 dev_dbg(&priv->i2c->dev, "%s: invalid inversion\n", __func__); 698 ret = -EINVAL; 699 goto error; 700 } 701 702 switch (c->delivery_system) { 703 case SYS_DVBS: 704 rolloff = 0; 705 pilot = 2; 706 break; 707 case SYS_DVBS2: 708 switch (c->rolloff) { 709 case ROLLOFF_20: 710 rolloff = 2; 711 break; 712 case ROLLOFF_25: 713 rolloff = 1; 714 break; 715 case ROLLOFF_35: 716 rolloff = 0; 717 break; 718 case ROLLOFF_AUTO: 719 default: 720 dev_dbg(&priv->i2c->dev, "%s: invalid rolloff\n", 721 __func__); 722 ret = -EINVAL; 723 goto error; 724 } 725 726 switch (c->pilot) { 727 case PILOT_OFF: 728 pilot = 0; 729 break; 730 case PILOT_ON: 731 pilot = 1; 732 break; 733 case PILOT_AUTO: 734 pilot = 2; 735 break; 736 default: 737 dev_dbg(&priv->i2c->dev, "%s: invalid pilot\n", 738 __func__); 739 ret = -EINVAL; 740 goto error; 741 } 742 break; 743 default: 744 dev_dbg(&priv->i2c->dev, "%s: invalid delivery_system\n", 745 __func__); 746 ret = -EINVAL; 747 goto error; 748 } 749 750 for (i = 0, mode = 0xff; i < ARRAY_SIZE(TDA10071_MODCOD); i++) { 751 if (c->delivery_system == TDA10071_MODCOD[i].delivery_system && 752 c->modulation == TDA10071_MODCOD[i].modulation && 753 c->fec_inner == TDA10071_MODCOD[i].fec) { 754 mode = TDA10071_MODCOD[i].val; 755 dev_dbg(&priv->i2c->dev, "%s: mode found=%02x\n", 756 __func__, mode); 757 break; 758 } 759 } 760 761 if (mode == 0xff) { 762 dev_dbg(&priv->i2c->dev, "%s: invalid parameter combination\n", 763 __func__); 764 ret = -EINVAL; 765 goto error; 766 } 767 768 if (c->symbol_rate <= 5000000) 769 div = 14; 770 else 771 div = 4; 772 773 ret = tda10071_wr_reg(priv, 0x81, div); 774 if (ret) 775 goto error; 776 777 ret = tda10071_wr_reg(priv, 0xe3, div); 778 if (ret) 779 goto error; 780 781 cmd.args[0] = CMD_CHANGE_CHANNEL; 782 cmd.args[1] = 0; 783 cmd.args[2] = mode; 784 cmd.args[3] = (c->frequency >> 16) & 0xff; 785 cmd.args[4] = (c->frequency >> 8) & 0xff; 786 cmd.args[5] = (c->frequency >> 0) & 0xff; 787 cmd.args[6] = ((c->symbol_rate / 1000) >> 8) & 0xff; 788 cmd.args[7] = ((c->symbol_rate / 1000) >> 0) & 0xff; 789 cmd.args[8] = (tda10071_ops.info.frequency_tolerance >> 8) & 0xff; 790 cmd.args[9] = (tda10071_ops.info.frequency_tolerance >> 0) & 0xff; 791 cmd.args[10] = rolloff; 792 cmd.args[11] = inversion; 793 cmd.args[12] = pilot; 794 cmd.args[13] = 0x00; 795 cmd.args[14] = 0x00; 796 cmd.len = 15; 797 ret = tda10071_cmd_execute(priv, &cmd); 798 if (ret) 799 goto error; 800 801 priv->delivery_system = c->delivery_system; 802 803 return ret; 804 error: 805 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 806 return ret; 807 } 808 809 static int tda10071_get_frontend(struct dvb_frontend *fe) 810 { 811 struct tda10071_priv *priv = fe->demodulator_priv; 812 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 813 int ret, i; 814 u8 buf[5], tmp; 815 816 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) { 817 ret = -EFAULT; 818 goto error; 819 } 820 821 ret = tda10071_rd_regs(priv, 0x30, buf, 5); 822 if (ret) 823 goto error; 824 825 tmp = buf[0] & 0x3f; 826 for (i = 0; i < ARRAY_SIZE(TDA10071_MODCOD); i++) { 827 if (tmp == TDA10071_MODCOD[i].val) { 828 c->modulation = TDA10071_MODCOD[i].modulation; 829 c->fec_inner = TDA10071_MODCOD[i].fec; 830 c->delivery_system = TDA10071_MODCOD[i].delivery_system; 831 } 832 } 833 834 switch ((buf[1] >> 0) & 0x01) { 835 case 0: 836 c->inversion = INVERSION_OFF; 837 break; 838 case 1: 839 c->inversion = INVERSION_ON; 840 break; 841 } 842 843 switch ((buf[1] >> 7) & 0x01) { 844 case 0: 845 c->pilot = PILOT_OFF; 846 break; 847 case 1: 848 c->pilot = PILOT_ON; 849 break; 850 } 851 852 c->frequency = (buf[2] << 16) | (buf[3] << 8) | (buf[4] << 0); 853 854 ret = tda10071_rd_regs(priv, 0x52, buf, 3); 855 if (ret) 856 goto error; 857 858 c->symbol_rate = (buf[0] << 16) | (buf[1] << 8) | (buf[2] << 0); 859 860 return ret; 861 error: 862 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 863 return ret; 864 } 865 866 static int tda10071_init(struct dvb_frontend *fe) 867 { 868 struct tda10071_priv *priv = fe->demodulator_priv; 869 struct tda10071_cmd cmd; 870 int ret, i, len, remaining, fw_size; 871 const struct firmware *fw; 872 u8 *fw_file = TDA10071_FIRMWARE; 873 u8 tmp, buf[4]; 874 struct tda10071_reg_val_mask tab[] = { 875 { 0xcd, 0x00, 0x07 }, 876 { 0x80, 0x00, 0x02 }, 877 { 0xcd, 0x00, 0xc0 }, 878 { 0xce, 0x00, 0x1b }, 879 { 0x9d, 0x00, 0x01 }, 880 { 0x9d, 0x00, 0x02 }, 881 { 0x9e, 0x00, 0x01 }, 882 { 0x87, 0x00, 0x80 }, 883 { 0xce, 0x00, 0x08 }, 884 { 0xce, 0x00, 0x10 }, 885 }; 886 struct tda10071_reg_val_mask tab2[] = { 887 { 0xf1, 0x70, 0xff }, 888 { 0x88, priv->cfg.pll_multiplier, 0x3f }, 889 { 0x89, 0x00, 0x10 }, 890 { 0x89, 0x10, 0x10 }, 891 { 0xc0, 0x01, 0x01 }, 892 { 0xc0, 0x00, 0x01 }, 893 { 0xe0, 0xff, 0xff }, 894 { 0xe0, 0x00, 0xff }, 895 { 0x96, 0x1e, 0x7e }, 896 { 0x8b, 0x08, 0x08 }, 897 { 0x8b, 0x00, 0x08 }, 898 { 0x8f, 0x1a, 0x7e }, 899 { 0x8c, 0x68, 0xff }, 900 { 0x8d, 0x08, 0xff }, 901 { 0x8e, 0x4c, 0xff }, 902 { 0x8f, 0x01, 0x01 }, 903 { 0x8b, 0x04, 0x04 }, 904 { 0x8b, 0x00, 0x04 }, 905 { 0x87, 0x05, 0x07 }, 906 { 0x80, 0x00, 0x20 }, 907 { 0xc8, 0x01, 0xff }, 908 { 0xb4, 0x47, 0xff }, 909 { 0xb5, 0x9c, 0xff }, 910 { 0xb6, 0x7d, 0xff }, 911 { 0xba, 0x00, 0x03 }, 912 { 0xb7, 0x47, 0xff }, 913 { 0xb8, 0x9c, 0xff }, 914 { 0xb9, 0x7d, 0xff }, 915 { 0xba, 0x00, 0x0c }, 916 { 0xc8, 0x00, 0xff }, 917 { 0xcd, 0x00, 0x04 }, 918 { 0xcd, 0x00, 0x20 }, 919 { 0xe8, 0x02, 0xff }, 920 { 0xcf, 0x20, 0xff }, 921 { 0x9b, 0xd7, 0xff }, 922 { 0x9a, 0x01, 0x03 }, 923 { 0xa8, 0x05, 0x0f }, 924 { 0xa8, 0x65, 0xf0 }, 925 { 0xa6, 0xa0, 0xf0 }, 926 { 0x9d, 0x50, 0xfc }, 927 { 0x9e, 0x20, 0xe0 }, 928 { 0xa3, 0x1c, 0x7c }, 929 { 0xd5, 0x03, 0x03 }, 930 }; 931 932 if (priv->warm) { 933 /* warm state - wake up device from sleep */ 934 935 for (i = 0; i < ARRAY_SIZE(tab); i++) { 936 ret = tda10071_wr_reg_mask(priv, tab[i].reg, 937 tab[i].val, tab[i].mask); 938 if (ret) 939 goto error; 940 } 941 942 cmd.args[0] = CMD_SET_SLEEP_MODE; 943 cmd.args[1] = 0; 944 cmd.args[2] = 0; 945 cmd.len = 3; 946 ret = tda10071_cmd_execute(priv, &cmd); 947 if (ret) 948 goto error; 949 } else { 950 /* cold state - try to download firmware */ 951 952 /* request the firmware, this will block and timeout */ 953 ret = request_firmware(&fw, fw_file, priv->i2c->dev.parent); 954 if (ret) { 955 dev_err(&priv->i2c->dev, "%s: did not find the " \ 956 "firmware file. (%s) Please see " \ 957 "linux/Documentation/dvb/ for more " \ 958 "details on firmware-problems. (%d)\n", 959 KBUILD_MODNAME, fw_file, ret); 960 goto error; 961 } 962 963 /* init */ 964 for (i = 0; i < ARRAY_SIZE(tab2); i++) { 965 ret = tda10071_wr_reg_mask(priv, tab2[i].reg, 966 tab2[i].val, tab2[i].mask); 967 if (ret) 968 goto error_release_firmware; 969 } 970 971 /* download firmware */ 972 ret = tda10071_wr_reg(priv, 0xe0, 0x7f); 973 if (ret) 974 goto error_release_firmware; 975 976 ret = tda10071_wr_reg(priv, 0xf7, 0x81); 977 if (ret) 978 goto error_release_firmware; 979 980 ret = tda10071_wr_reg(priv, 0xf8, 0x00); 981 if (ret) 982 goto error_release_firmware; 983 984 ret = tda10071_wr_reg(priv, 0xf9, 0x00); 985 if (ret) 986 goto error_release_firmware; 987 988 dev_info(&priv->i2c->dev, "%s: found a '%s' in cold state, " \ 989 "will try to load a firmware\n", KBUILD_MODNAME, 990 tda10071_ops.info.name); 991 dev_info(&priv->i2c->dev, "%s: downloading firmware from " \ 992 "file '%s'\n", KBUILD_MODNAME, fw_file); 993 994 /* do not download last byte */ 995 fw_size = fw->size - 1; 996 997 for (remaining = fw_size; remaining > 0; 998 remaining -= (priv->cfg.i2c_wr_max - 1)) { 999 len = remaining; 1000 if (len > (priv->cfg.i2c_wr_max - 1)) 1001 len = (priv->cfg.i2c_wr_max - 1); 1002 1003 ret = tda10071_wr_regs(priv, 0xfa, 1004 (u8 *) &fw->data[fw_size - remaining], len); 1005 if (ret) { 1006 dev_err(&priv->i2c->dev, "%s: firmware " \ 1007 "download failed=%d\n", 1008 KBUILD_MODNAME, ret); 1009 if (ret) 1010 goto error_release_firmware; 1011 } 1012 } 1013 release_firmware(fw); 1014 1015 ret = tda10071_wr_reg(priv, 0xf7, 0x0c); 1016 if (ret) 1017 goto error; 1018 1019 ret = tda10071_wr_reg(priv, 0xe0, 0x00); 1020 if (ret) 1021 goto error; 1022 1023 /* wait firmware start */ 1024 msleep(250); 1025 1026 /* firmware status */ 1027 ret = tda10071_rd_reg(priv, 0x51, &tmp); 1028 if (ret) 1029 goto error; 1030 1031 if (tmp) { 1032 dev_info(&priv->i2c->dev, "%s: firmware did not run\n", 1033 KBUILD_MODNAME); 1034 ret = -EFAULT; 1035 goto error; 1036 } else { 1037 priv->warm = 1; 1038 } 1039 1040 cmd.args[0] = CMD_GET_FW_VERSION; 1041 cmd.len = 1; 1042 ret = tda10071_cmd_execute(priv, &cmd); 1043 if (ret) 1044 goto error; 1045 1046 ret = tda10071_rd_regs(priv, cmd.len, buf, 4); 1047 if (ret) 1048 goto error; 1049 1050 dev_info(&priv->i2c->dev, "%s: firmware version %d.%d.%d.%d\n", 1051 KBUILD_MODNAME, buf[0], buf[1], buf[2], buf[3]); 1052 dev_info(&priv->i2c->dev, "%s: found a '%s' in warm state\n", 1053 KBUILD_MODNAME, tda10071_ops.info.name); 1054 1055 ret = tda10071_rd_regs(priv, 0x81, buf, 2); 1056 if (ret) 1057 goto error; 1058 1059 cmd.args[0] = CMD_DEMOD_INIT; 1060 cmd.args[1] = ((priv->cfg.xtal / 1000) >> 8) & 0xff; 1061 cmd.args[2] = ((priv->cfg.xtal / 1000) >> 0) & 0xff; 1062 cmd.args[3] = buf[0]; 1063 cmd.args[4] = buf[1]; 1064 cmd.args[5] = priv->cfg.pll_multiplier; 1065 cmd.args[6] = priv->cfg.spec_inv; 1066 cmd.args[7] = 0x00; 1067 cmd.len = 8; 1068 ret = tda10071_cmd_execute(priv, &cmd); 1069 if (ret) 1070 goto error; 1071 1072 cmd.args[0] = CMD_TUNER_INIT; 1073 cmd.args[1] = 0x00; 1074 cmd.args[2] = 0x00; 1075 cmd.args[3] = 0x00; 1076 cmd.args[4] = 0x00; 1077 cmd.args[5] = (priv->cfg.tuner_i2c_addr) ? priv->cfg.tuner_i2c_addr : 0x14; 1078 cmd.args[6] = 0x00; 1079 cmd.args[7] = 0x03; 1080 cmd.args[8] = 0x02; 1081 cmd.args[9] = 0x02; 1082 cmd.args[10] = 0x00; 1083 cmd.args[11] = 0x00; 1084 cmd.args[12] = 0x00; 1085 cmd.args[13] = 0x00; 1086 cmd.args[14] = 0x00; 1087 cmd.len = 15; 1088 ret = tda10071_cmd_execute(priv, &cmd); 1089 if (ret) 1090 goto error; 1091 1092 cmd.args[0] = CMD_MPEG_CONFIG; 1093 cmd.args[1] = 0; 1094 cmd.args[2] = priv->cfg.ts_mode; 1095 cmd.args[3] = 0x00; 1096 cmd.args[4] = 0x04; 1097 cmd.args[5] = 0x00; 1098 cmd.len = 6; 1099 ret = tda10071_cmd_execute(priv, &cmd); 1100 if (ret) 1101 goto error; 1102 1103 ret = tda10071_wr_reg_mask(priv, 0xf0, 0x01, 0x01); 1104 if (ret) 1105 goto error; 1106 1107 cmd.args[0] = CMD_LNB_CONFIG; 1108 cmd.args[1] = 0; 1109 cmd.args[2] = 150; 1110 cmd.args[3] = 3; 1111 cmd.args[4] = 22; 1112 cmd.args[5] = 1; 1113 cmd.args[6] = 1; 1114 cmd.args[7] = 30; 1115 cmd.args[8] = 30; 1116 cmd.args[9] = 30; 1117 cmd.args[10] = 30; 1118 cmd.len = 11; 1119 ret = tda10071_cmd_execute(priv, &cmd); 1120 if (ret) 1121 goto error; 1122 1123 cmd.args[0] = CMD_BER_CONTROL; 1124 cmd.args[1] = 0; 1125 cmd.args[2] = 14; 1126 cmd.args[3] = 14; 1127 cmd.len = 4; 1128 ret = tda10071_cmd_execute(priv, &cmd); 1129 if (ret) 1130 goto error; 1131 } 1132 1133 return ret; 1134 error_release_firmware: 1135 release_firmware(fw); 1136 error: 1137 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 1138 return ret; 1139 } 1140 1141 static int tda10071_sleep(struct dvb_frontend *fe) 1142 { 1143 struct tda10071_priv *priv = fe->demodulator_priv; 1144 struct tda10071_cmd cmd; 1145 int ret, i; 1146 struct tda10071_reg_val_mask tab[] = { 1147 { 0xcd, 0x07, 0x07 }, 1148 { 0x80, 0x02, 0x02 }, 1149 { 0xcd, 0xc0, 0xc0 }, 1150 { 0xce, 0x1b, 0x1b }, 1151 { 0x9d, 0x01, 0x01 }, 1152 { 0x9d, 0x02, 0x02 }, 1153 { 0x9e, 0x01, 0x01 }, 1154 { 0x87, 0x80, 0x80 }, 1155 { 0xce, 0x08, 0x08 }, 1156 { 0xce, 0x10, 0x10 }, 1157 }; 1158 1159 if (!priv->warm) { 1160 ret = -EFAULT; 1161 goto error; 1162 } 1163 1164 cmd.args[0] = CMD_SET_SLEEP_MODE; 1165 cmd.args[1] = 0; 1166 cmd.args[2] = 1; 1167 cmd.len = 3; 1168 ret = tda10071_cmd_execute(priv, &cmd); 1169 if (ret) 1170 goto error; 1171 1172 for (i = 0; i < ARRAY_SIZE(tab); i++) { 1173 ret = tda10071_wr_reg_mask(priv, tab[i].reg, tab[i].val, 1174 tab[i].mask); 1175 if (ret) 1176 goto error; 1177 } 1178 1179 return ret; 1180 error: 1181 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); 1182 return ret; 1183 } 1184 1185 static int tda10071_get_tune_settings(struct dvb_frontend *fe, 1186 struct dvb_frontend_tune_settings *s) 1187 { 1188 s->min_delay_ms = 8000; 1189 s->step_size = 0; 1190 s->max_drift = 0; 1191 1192 return 0; 1193 } 1194 1195 static void tda10071_release(struct dvb_frontend *fe) 1196 { 1197 struct tda10071_priv *priv = fe->demodulator_priv; 1198 kfree(priv); 1199 } 1200 1201 struct dvb_frontend *tda10071_attach(const struct tda10071_config *config, 1202 struct i2c_adapter *i2c) 1203 { 1204 int ret; 1205 struct tda10071_priv *priv = NULL; 1206 u8 tmp; 1207 1208 /* allocate memory for the internal priv */ 1209 priv = kzalloc(sizeof(struct tda10071_priv), GFP_KERNEL); 1210 if (priv == NULL) { 1211 ret = -ENOMEM; 1212 goto error; 1213 } 1214 1215 /* make sure demod i2c address is specified */ 1216 if (!config->demod_i2c_addr) { 1217 dev_dbg(&i2c->dev, "%s: invalid demod i2c address!\n", __func__); 1218 ret = -EINVAL; 1219 goto error; 1220 } 1221 1222 /* make sure tuner i2c address is specified */ 1223 if (!config->tuner_i2c_addr) { 1224 dev_dbg(&i2c->dev, "%s: invalid tuner i2c address!\n", __func__); 1225 ret = -EINVAL; 1226 goto error; 1227 } 1228 1229 /* setup the priv */ 1230 priv->i2c = i2c; 1231 memcpy(&priv->cfg, config, sizeof(struct tda10071_config)); 1232 1233 /* chip ID */ 1234 ret = tda10071_rd_reg(priv, 0xff, &tmp); 1235 if (ret || tmp != 0x0f) 1236 goto error; 1237 1238 /* chip type */ 1239 ret = tda10071_rd_reg(priv, 0xdd, &tmp); 1240 if (ret || tmp != 0x00) 1241 goto error; 1242 1243 /* chip version */ 1244 ret = tda10071_rd_reg(priv, 0xfe, &tmp); 1245 if (ret || tmp != 0x01) 1246 goto error; 1247 1248 /* create dvb_frontend */ 1249 memcpy(&priv->fe.ops, &tda10071_ops, sizeof(struct dvb_frontend_ops)); 1250 priv->fe.demodulator_priv = priv; 1251 1252 return &priv->fe; 1253 error: 1254 dev_dbg(&i2c->dev, "%s: failed=%d\n", __func__, ret); 1255 kfree(priv); 1256 return NULL; 1257 } 1258 EXPORT_SYMBOL(tda10071_attach); 1259 1260 static struct dvb_frontend_ops tda10071_ops = { 1261 .delsys = { SYS_DVBS, SYS_DVBS2 }, 1262 .info = { 1263 .name = "NXP TDA10071", 1264 .frequency_min = 950000, 1265 .frequency_max = 2150000, 1266 .frequency_tolerance = 5000, 1267 .symbol_rate_min = 1000000, 1268 .symbol_rate_max = 45000000, 1269 .caps = FE_CAN_INVERSION_AUTO | 1270 FE_CAN_FEC_1_2 | 1271 FE_CAN_FEC_2_3 | 1272 FE_CAN_FEC_3_4 | 1273 FE_CAN_FEC_4_5 | 1274 FE_CAN_FEC_5_6 | 1275 FE_CAN_FEC_6_7 | 1276 FE_CAN_FEC_7_8 | 1277 FE_CAN_FEC_8_9 | 1278 FE_CAN_FEC_AUTO | 1279 FE_CAN_QPSK | 1280 FE_CAN_RECOVER | 1281 FE_CAN_2G_MODULATION 1282 }, 1283 1284 .release = tda10071_release, 1285 1286 .get_tune_settings = tda10071_get_tune_settings, 1287 1288 .init = tda10071_init, 1289 .sleep = tda10071_sleep, 1290 1291 .set_frontend = tda10071_set_frontend, 1292 .get_frontend = tda10071_get_frontend, 1293 1294 .read_status = tda10071_read_status, 1295 .read_snr = tda10071_read_snr, 1296 .read_signal_strength = tda10071_read_signal_strength, 1297 .read_ber = tda10071_read_ber, 1298 .read_ucblocks = tda10071_read_ucblocks, 1299 1300 .diseqc_send_master_cmd = tda10071_diseqc_send_master_cmd, 1301 .diseqc_recv_slave_reply = tda10071_diseqc_recv_slave_reply, 1302 .diseqc_send_burst = tda10071_diseqc_send_burst, 1303 1304 .set_tone = tda10071_set_tone, 1305 .set_voltage = tda10071_set_voltage, 1306 }; 1307 1308 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); 1309 MODULE_DESCRIPTION("NXP TDA10071 DVB-S/S2 demodulator driver"); 1310 MODULE_LICENSE("GPL"); 1311 MODULE_FIRMWARE(TDA10071_FIRMWARE); 1312