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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 | #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/kernel.h> #include <linux/i2c.h> #include <linux/types.h> #include <linux/videodev.h> #include <linux/init.h> #include <linux/errno.h> #include <linux/slab.h> #include <linux/delay.h> #include <media/v4l2-common.h> #include <media/tuner.h> /* Chips: TDA9885 (PAL, NTSC) TDA9886 (PAL, SECAM, NTSC) TDA9887 (PAL, SECAM, NTSC, FM Radio) found on: - Pinnacle PCTV (Jul.2002 Version with MT2032, bttv) TDA9887 (world), TDA9885 (USA) Note: OP2 of tda988x must be set to 1, else MT2032 is disabled! - KNC One TV-Station RDS (saa7134) - Hauppauge PVR-150/500 (possibly more) */ /* Addresses to scan */ static unsigned short normal_i2c[] = { 0x84 >>1, 0x86 >>1, 0x96 >>1, I2C_CLIENT_END, }; I2C_CLIENT_INSMOD; /* insmod options */ static unsigned int debug = 0; module_param(debug, int, 0644); MODULE_LICENSE("GPL"); /* ---------------------------------------------------------------------- */ #define UNSET (-1U) #define tda9887_info(fmt, arg...) do {\ printk(KERN_INFO "%s %d-%04x: " fmt, t->client.name, \ i2c_adapter_id(t->client.adapter), t->client.addr , ##arg); } while (0) #define tda9887_dbg(fmt, arg...) do {\ if (debug) \ printk(KERN_INFO "%s %d-%04x: " fmt, t->client.name, \ i2c_adapter_id(t->client.adapter), t->client.addr , ##arg); } while (0) struct tda9887 { struct i2c_client client; v4l2_std_id std; enum tuner_mode mode; unsigned int config; unsigned int using_v4l2; unsigned int radio_mode; unsigned char data[4]; }; struct tvnorm { v4l2_std_id std; char *name; unsigned char b; unsigned char c; unsigned char e; }; static struct i2c_driver driver; static struct i2c_client client_template; /* ---------------------------------------------------------------------- */ // // TDA defines // //// first reg (b) #define cVideoTrapBypassOFF 0x00 // bit b0 #define cVideoTrapBypassON 0x01 // bit b0 #define cAutoMuteFmInactive 0x00 // bit b1 #define cAutoMuteFmActive 0x02 // bit b1 #define cIntercarrier 0x00 // bit b2 #define cQSS 0x04 // bit b2 #define cPositiveAmTV 0x00 // bit b3:4 #define cFmRadio 0x08 // bit b3:4 #define cNegativeFmTV 0x10 // bit b3:4 #define cForcedMuteAudioON 0x20 // bit b5 #define cForcedMuteAudioOFF 0x00 // bit b5 #define cOutputPort1Active 0x00 // bit b6 #define cOutputPort1Inactive 0x40 // bit b6 #define cOutputPort2Active 0x00 // bit b7 #define cOutputPort2Inactive 0x80 // bit b7 //// second reg (c) #define cDeemphasisOFF 0x00 // bit c5 #define cDeemphasisON 0x20 // bit c5 #define cDeemphasis75 0x00 // bit c6 #define cDeemphasis50 0x40 // bit c6 #define cAudioGain0 0x00 // bit c7 #define cAudioGain6 0x80 // bit c7 #define cTopMask 0x1f // bit c0:4 #define cTopPalSecamDefault 0x14 // bit c0:4 #define cTopNtscRadioDefault 0x10 // bit c0:4 //// third reg (e) #define cAudioIF_4_5 0x00 // bit e0:1 #define cAudioIF_5_5 0x01 // bit e0:1 #define cAudioIF_6_0 0x02 // bit e0:1 #define cAudioIF_6_5 0x03 // bit e0:1 #define cVideoIF_58_75 0x00 // bit e2:4 #define cVideoIF_45_75 0x04 // bit e2:4 #define cVideoIF_38_90 0x08 // bit e2:4 #define cVideoIF_38_00 0x0C // bit e2:4 #define cVideoIF_33_90 0x10 // bit e2:4 #define cVideoIF_33_40 0x14 // bit e2:4 #define cRadioIF_45_75 0x18 // bit e2:4 #define cRadioIF_38_90 0x1C // bit e2:4 #define cTunerGainNormal 0x00 // bit e5 #define cTunerGainLow 0x20 // bit e5 #define cGating_18 0x00 // bit e6 #define cGating_36 0x40 // bit e6 #define cAgcOutON 0x80 // bit e7 #define cAgcOutOFF 0x00 // bit e7 /* ---------------------------------------------------------------------- */ static struct tvnorm tvnorms[] = { { .std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H | V4L2_STD_PAL_N, .name = "PAL-BGHN", .b = ( cNegativeFmTV | cQSS ), .c = ( cDeemphasisON | cDeemphasis50 | cTopPalSecamDefault), .e = ( cGating_36 | cAudioIF_5_5 | cVideoIF_38_90 ), },{ .std = V4L2_STD_PAL_I, .name = "PAL-I", .b = ( cNegativeFmTV | cQSS ), .c = ( cDeemphasisON | cDeemphasis50 | cTopPalSecamDefault), .e = ( cGating_36 | cAudioIF_6_0 | cVideoIF_38_90 ), },{ .std = V4L2_STD_PAL_DK, .name = "PAL-DK", .b = ( cNegativeFmTV | cQSS ), .c = ( cDeemphasisON | cDeemphasis50 | cTopPalSecamDefault), .e = ( cGating_36 | cAudioIF_6_5 | cVideoIF_38_90 ), },{ .std = V4L2_STD_PAL_M | V4L2_STD_PAL_Nc, .name = "PAL-M/Nc", .b = ( cNegativeFmTV | cQSS ), .c = ( cDeemphasisON | cDeemphasis75 | cTopNtscRadioDefault), .e = ( cGating_36 | cAudioIF_4_5 | cVideoIF_45_75 ), },{ .std = V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H, .name = "SECAM-BGH", .b = ( cPositiveAmTV | cQSS ), .c = ( cTopPalSecamDefault), .e = ( cGating_36 | cAudioIF_5_5 | cVideoIF_38_90 ), },{ .std = V4L2_STD_SECAM_L, .name = "SECAM-L", .b = ( cPositiveAmTV | cQSS ), .c = ( cTopPalSecamDefault), .e = ( cGating_36 | cAudioIF_6_5 | cVideoIF_38_90 ), },{ .std = V4L2_STD_SECAM_LC, .name = "SECAM-L'", .b = ( cOutputPort2Inactive | cPositiveAmTV | cQSS ), .c = ( cTopPalSecamDefault), .e = ( cGating_36 | cAudioIF_6_5 | cVideoIF_33_90 ), },{ .std = V4L2_STD_SECAM_DK, .name = "SECAM-DK", .b = ( cNegativeFmTV | cQSS ), .c = ( cDeemphasisON | cDeemphasis50 | cTopPalSecamDefault), .e = ( cGating_36 | cAudioIF_6_5 | cVideoIF_38_90 ), },{ .std = V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_KR, .name = "NTSC-M", .b = ( cNegativeFmTV | cQSS ), .c = ( cDeemphasisON | cDeemphasis75 | cTopNtscRadioDefault), .e = ( cGating_36 | cAudioIF_4_5 | cVideoIF_45_75 ), },{ .std = V4L2_STD_NTSC_M_JP, .name = "NTSC-M-JP", .b = ( cNegativeFmTV | cQSS ), .c = ( cDeemphasisON | cDeemphasis50 | cTopNtscRadioDefault), .e = ( cGating_36 | cAudioIF_4_5 | cVideoIF_58_75 ), } }; static struct tvnorm radio_stereo = { .name = "Radio Stereo", .b = ( cFmRadio | cQSS ), .c = ( cDeemphasisOFF | cAudioGain6 | cTopNtscRadioDefault), .e = ( cTunerGainLow | cAudioIF_5_5 | cRadioIF_38_90 ), }; static struct tvnorm radio_mono = { .name = "Radio Mono", .b = ( cFmRadio | cQSS ), .c = ( cDeemphasisON | cDeemphasis75 | cTopNtscRadioDefault), .e = ( cTunerGainLow | cAudioIF_5_5 | cRadioIF_38_90 ), }; /* ---------------------------------------------------------------------- */ static void dump_read_message(struct tda9887 *t, unsigned char *buf) { static char *afc[16] = { "- 12.5 kHz", "- 37.5 kHz", "- 62.5 kHz", "- 87.5 kHz", "-112.5 kHz", "-137.5 kHz", "-162.5 kHz", "-187.5 kHz [min]", "+187.5 kHz [max]", "+162.5 kHz", "+137.5 kHz", "+112.5 kHz", "+ 87.5 kHz", "+ 62.5 kHz", "+ 37.5 kHz", "+ 12.5 kHz", }; tda9887_info("read: 0x%2x\n", buf[0]); tda9887_info(" after power on : %s\n", (buf[0] & 0x01) ? "yes" : "no"); tda9887_info(" afc : %s\n", afc[(buf[0] >> 1) & 0x0f]); tda9887_info(" fmif level : %s\n", (buf[0] & 0x20) ? "high" : "low"); tda9887_info(" afc window : %s\n", (buf[0] & 0x40) ? "in" : "out"); tda9887_info(" vfi level : %s\n", (buf[0] & 0x80) ? "high" : "low"); } static void dump_write_message(struct tda9887 *t, unsigned char *buf) { static char *sound[4] = { "AM/TV", "FM/radio", "FM/TV", "FM/radio" }; static char *adjust[32] = { "-16", "-15", "-14", "-13", "-12", "-11", "-10", "-9", "-8", "-7", "-6", "-5", "-4", "-3", "-2", "-1", "0", "+1", "+2", "+3", "+4", "+5", "+6", "+7", "+8", "+9", "+10", "+11", "+12", "+13", "+14", "+15" }; static char *deemph[4] = { "no", "no", "75", "50" }; static char *carrier[4] = { "4.5 MHz", "5.5 MHz", "6.0 MHz", "6.5 MHz / AM" }; static char *vif[8] = { "58.75 MHz", "45.75 MHz", "38.9 MHz", "38.0 MHz", "33.9 MHz", "33.4 MHz", "45.75 MHz + pin13", "38.9 MHz + pin13", }; static char *rif[4] = { "44 MHz", "52 MHz", "52 MHz", "44 MHz", }; tda9887_info("write: byte B 0x%02x\n",buf[1]); tda9887_info(" B0 video mode : %s\n", (buf[1] & 0x01) ? "video trap" : "sound trap"); tda9887_info(" B1 auto mute fm : %s\n", (buf[1] & 0x02) ? "yes" : "no"); tda9887_info(" B2 carrier mode : %s\n", (buf[1] & 0x04) ? "QSS" : "Intercarrier"); tda9887_info(" B3-4 tv sound/radio : %s\n", sound[(buf[1] & 0x18) >> 3]); tda9887_info(" B5 force mute audio: %s\n", (buf[1] & 0x20) ? "yes" : "no"); tda9887_info(" B6 output port 1 : %s\n", (buf[1] & 0x40) ? "high (inactive)" : "low (active)"); tda9887_info(" B7 output port 2 : %s\n", (buf[1] & 0x80) ? "high (inactive)" : "low (active)"); tda9887_info("write: byte C 0x%02x\n",buf[2]); tda9887_info(" C0-4 top adjustment : %s dB\n", adjust[buf[2] & 0x1f]); tda9887_info(" C5-6 de-emphasis : %s\n", deemph[(buf[2] & 0x60) >> 5]); tda9887_info(" C7 audio gain : %s\n", (buf[2] & 0x80) ? "-6" : "0"); tda9887_info("write: byte E 0x%02x\n",buf[3]); tda9887_info(" E0-1 sound carrier : %s\n", carrier[(buf[3] & 0x03)]); tda9887_info(" E6 l pll gating : %s\n", (buf[3] & 0x40) ? "36" : "13"); if (buf[1] & 0x08) { /* radio */ tda9887_info(" E2-4 video if : %s\n", rif[(buf[3] & 0x0c) >> 2]); tda9887_info(" E7 vif agc output : %s\n", (buf[3] & 0x80) ? ((buf[3] & 0x10) ? "fm-agc radio" : "sif-agc radio") : "fm radio carrier afc"); } else { /* video */ tda9887_info(" E2-4 video if : %s\n", vif[(buf[3] & 0x1c) >> 2]); tda9887_info(" E5 tuner gain : %s\n", (buf[3] & 0x80) ? ((buf[3] & 0x20) ? "external" : "normal") : ((buf[3] & 0x20) ? "minimum" : "normal")); tda9887_info(" E7 vif agc output : %s\n", (buf[3] & 0x80) ? ((buf[3] & 0x20) ? "pin3 port, pin22 vif agc out" : "pin22 port, pin3 vif acg ext in") : "pin3+pin22 port"); } tda9887_info("--\n"); } /* ---------------------------------------------------------------------- */ static int tda9887_set_tvnorm(struct tda9887 *t, char *buf) { struct tvnorm *norm = NULL; int i; if (t->mode == T_RADIO) { if (t->radio_mode == V4L2_TUNER_MODE_MONO) norm = &radio_mono; else norm = &radio_stereo; } else { for (i = 0; i < ARRAY_SIZE(tvnorms); i++) { if (tvnorms[i].std & t->std) { norm = tvnorms+i; break; } } } if (NULL == norm) { tda9887_dbg("Unsupported tvnorm entry - audio muted\n"); return -1; } tda9887_dbg("configure for: %s\n",norm->name); buf[1] = norm->b; buf[2] = norm->c; buf[3] = norm->e; return 0; } static unsigned int port1 = UNSET; static unsigned int port2 = UNSET; static unsigned int qss = UNSET; static unsigned int adjust = UNSET; module_param(port1, int, 0644); module_param(port2, int, 0644); module_param(qss, int, 0644); module_param(adjust, int, 0644); static int tda9887_set_insmod(struct tda9887 *t, char *buf) { if (UNSET != port1) { if (port1) buf[1] |= cOutputPort1Inactive; else buf[1] &= ~cOutputPort1Inactive; } if (UNSET != port2) { if (port2) buf[1] |= cOutputPort2Inactive; else buf[1] &= ~cOutputPort2Inactive; } if (UNSET != qss) { if (qss) buf[1] |= cQSS; else buf[1] &= ~cQSS; } if (adjust >= 0x00 && adjust < 0x20) { buf[2] &= ~cTopMask; buf[2] |= adjust; } return 0; } static int tda9887_set_config(struct tda9887 *t, char *buf) { if (t->config & TDA9887_PORT1_ACTIVE) buf[1] &= ~cOutputPort1Inactive; if (t->config & TDA9887_PORT1_INACTIVE) buf[1] |= cOutputPort1Inactive; if (t->config & TDA9887_PORT2_ACTIVE) buf[1] &= ~cOutputPort2Inactive; if (t->config & TDA9887_PORT2_INACTIVE) buf[1] |= cOutputPort2Inactive; if (t->config & TDA9887_QSS) buf[1] |= cQSS; if (t->config & TDA9887_INTERCARRIER) buf[1] &= ~cQSS; if (t->config & TDA9887_AUTOMUTE) buf[1] |= cAutoMuteFmActive; if (t->config & TDA9887_DEEMPHASIS_MASK) { buf[2] &= ~0x60; switch (t->config & TDA9887_DEEMPHASIS_MASK) { case TDA9887_DEEMPHASIS_NONE: buf[2] |= cDeemphasisOFF; break; case TDA9887_DEEMPHASIS_50: buf[2] |= cDeemphasisON | cDeemphasis50; break; case TDA9887_DEEMPHASIS_75: buf[2] |= cDeemphasisON | cDeemphasis75; break; } } if (t->config & TDA9887_TOP_SET) { buf[2] &= ~cTopMask; buf[2] |= (t->config >> 8) & cTopMask; } if ((t->config & TDA9887_INTERCARRIER_NTSC) && (t->std & V4L2_STD_NTSC)) buf[1] &= ~cQSS; return 0; } /* ---------------------------------------------------------------------- */ static char pal[] = "--"; static char secam[] = "--"; static char ntsc[] = "-"; module_param_string(pal, pal, sizeof(pal), 0644); module_param_string(secam, secam, sizeof(secam), 0644); module_param_string(ntsc, ntsc, sizeof(ntsc), 0644); static int tda9887_fixup_std(struct tda9887 *t) { /* get more precise norm info from insmod option */ if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) { switch (pal[0]) { case 'b': case 'B': case 'g': case 'G': case 'h': case 'H': case 'n': case 'N': if (pal[1] == 'c' || pal[1] == 'C') { tda9887_dbg("insmod fixup: PAL => PAL-Nc\n"); t->std = V4L2_STD_PAL_Nc; } else { tda9887_dbg("insmod fixup: PAL => PAL-BGHN\n"); t->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H | V4L2_STD_PAL_N; } break; case 'i': case 'I': tda9887_dbg("insmod fixup: PAL => PAL-I\n"); t->std = V4L2_STD_PAL_I; break; case 'd': case 'D': case 'k': case 'K': tda9887_dbg("insmod fixup: PAL => PAL-DK\n"); t->std = V4L2_STD_PAL_DK; break; case 'm': case 'M': tda9887_dbg("insmod fixup: PAL => PAL-M\n"); t->std = V4L2_STD_PAL_M; break; case '-': /* default parameter, do nothing */ break; default: tda9887_info("pal= argument not recognised\n"); break; } } if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) { switch (secam[0]) { case 'b': case 'B': case 'g': case 'G': case 'h': case 'H': tda9887_dbg("insmod fixup: SECAM => SECAM-BGH\n"); t->std = V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H; break; case 'd': case 'D': case 'k': case 'K': tda9887_dbg("insmod fixup: SECAM => SECAM-DK\n"); t->std = V4L2_STD_SECAM_DK; break; case 'l': case 'L': if (secam[1] == 'c' || secam[1] == 'C') { tda9887_dbg("insmod fixup: SECAM => SECAM-L'\n"); t->std = V4L2_STD_SECAM_LC; } else { tda9887_dbg("insmod fixup: SECAM => SECAM-L\n"); t->std = V4L2_STD_SECAM_L; } break; case '-': /* default parameter, do nothing */ break; default: tda9887_info("secam= argument not recognised\n"); break; } } if ((t->std & V4L2_STD_NTSC) == V4L2_STD_NTSC) { switch (ntsc[0]) { case 'm': case 'M': tda9887_dbg("insmod fixup: NTSC => NTSC-M\n"); t->std = V4L2_STD_NTSC_M; break; case 'j': case 'J': tda9887_dbg("insmod fixup: NTSC => NTSC_M_JP\n"); t->std = V4L2_STD_NTSC_M_JP; break; case 'k': case 'K': tda9887_dbg("insmod fixup: NTSC => NTSC_M_KR\n"); t->std = V4L2_STD_NTSC_M_KR; break; case '-': /* default parameter, do nothing */ break; default: tda9887_info("ntsc= argument not recognised\n"); break; } } return 0; } static int tda9887_status(struct tda9887 *t) { unsigned char buf[1]; int rc; memset(buf,0,sizeof(buf)); if (1 != (rc = i2c_master_recv(&t->client,buf,1))) tda9887_info("i2c i/o error: rc == %d (should be 1)\n",rc); dump_read_message(t, buf); return 0; } static int tda9887_configure(struct tda9887 *t) { int rc; memset(t->data,0,sizeof(t->data)); tda9887_set_tvnorm(t,t->data); /* A note on the port settings: These settings tend to depend on the specifics of the board. By default they are set to inactive (bit value 1) by this driver, overwriting any changes made by the tvnorm. This means that it is the responsibility of the module using the tda9887 to set these values in case of changes in the tvnorm. In many cases port 2 should be made active (0) when selecting SECAM-L, and port 2 should remain inactive (1) for SECAM-L'. For the other standards the tda9887 application note says that the ports should be set to active (0), but, again, that may differ depending on the precise hardware configuration. */ t->data[1] |= cOutputPort1Inactive; t->data[1] |= cOutputPort2Inactive; tda9887_set_config(t,t->data); tda9887_set_insmod(t,t->data); if (t->mode == T_STANDBY) { t->data[1] |= cForcedMuteAudioON; } tda9887_dbg("writing: b=0x%02x c=0x%02x e=0x%02x\n", t->data[1],t->data[2],t->data[3]); if (debug > 1) dump_write_message(t, t->data); if (4 != (rc = i2c_master_send(&t->client,t->data,4))) tda9887_info("i2c i/o error: rc == %d (should be 4)\n",rc); if (debug > 2) { msleep_interruptible(1000); tda9887_status(t); } return 0; } /* ---------------------------------------------------------------------- */ static int tda9887_attach(struct i2c_adapter *adap, int addr, int kind) { struct tda9887 *t; client_template.adapter = adap; client_template.addr = addr; if (NULL == (t = kzalloc(sizeof(*t), GFP_KERNEL))) return -ENOMEM; t->client = client_template; t->std = 0; t->radio_mode = V4L2_TUNER_MODE_STEREO; tda9887_info("chip found @ 0x%x (%s)\n", addr<<1, adap->name); i2c_set_clientdata(&t->client, t); i2c_attach_client(&t->client); return 0; } static int tda9887_probe(struct i2c_adapter *adap) { if (adap->class & I2C_CLASS_TV_ANALOG) return i2c_probe(adap, &addr_data, tda9887_attach); return 0; } static int tda9887_detach(struct i2c_client *client) { struct tda9887 *t = i2c_get_clientdata(client); i2c_detach_client(client); kfree(t); return 0; } #define SWITCH_V4L2 if (!t->using_v4l2 && debug) \ tda9887_info("switching to v4l2\n"); \ t->using_v4l2 = 1; #define CHECK_V4L2 if (t->using_v4l2) { if (debug) \ tda9887_info("ignore v4l1 call\n"); \ return 0; } static int tda9887_command(struct i2c_client *client, unsigned int cmd, void *arg) { struct tda9887 *t = i2c_get_clientdata(client); switch (cmd) { /* --- configuration --- */ case AUDC_SET_RADIO: { t->mode = T_RADIO; tda9887_configure(t); break; } case TUNER_SET_STANDBY: { t->mode = T_STANDBY; tda9887_configure(t); break; } case TDA9887_SET_CONFIG: { int *i = arg; t->config = *i; tda9887_configure(t); break; } /* --- v4l ioctls --- */ /* take care: bttv does userspace copying, we'll get a kernel pointer here... */ case VIDIOCSCHAN: { static const v4l2_std_id map[] = { [ VIDEO_MODE_PAL ] = V4L2_STD_PAL, [ VIDEO_MODE_NTSC ] = V4L2_STD_NTSC_M, [ VIDEO_MODE_SECAM ] = V4L2_STD_SECAM, [ 4 /* bttv */ ] = V4L2_STD_PAL_M, [ 5 /* bttv */ ] = V4L2_STD_PAL_N, [ 6 /* bttv */ ] = V4L2_STD_NTSC_M_JP, }; struct video_channel *vc = arg; CHECK_V4L2; t->mode = T_ANALOG_TV; if (vc->norm < ARRAY_SIZE(map)) t->std = map[vc->norm]; tda9887_fixup_std(t); tda9887_configure(t); break; } case VIDIOC_S_STD: { v4l2_std_id *id = arg; SWITCH_V4L2; t->mode = T_ANALOG_TV; t->std = *id; tda9887_fixup_std(t); tda9887_configure(t); break; } case VIDIOC_S_FREQUENCY: { struct v4l2_frequency *f = arg; SWITCH_V4L2; if (V4L2_TUNER_ANALOG_TV == f->type) { if (t->mode == T_ANALOG_TV) return 0; t->mode = T_ANALOG_TV; } if (V4L2_TUNER_RADIO == f->type) { if (t->mode == T_RADIO) return 0; t->mode = T_RADIO; } tda9887_configure(t); break; } case VIDIOC_G_TUNER: { static int AFC_BITS_2_kHz[] = { -12500, -37500, -62500, -97500, -112500, -137500, -162500, -187500, 187500, 162500, 137500, 112500, 97500 , 62500, 37500 , 12500 }; struct v4l2_tuner* tuner = arg; if (t->mode == T_RADIO) { __u8 reg = 0; tuner->afc=0; if (1 == i2c_master_recv(&t->client,®,1)) tuner->afc = AFC_BITS_2_kHz[(reg>>1)&0x0f]; } break; } case VIDIOC_S_TUNER: { struct v4l2_tuner* tuner = arg; if (t->mode == T_RADIO) { t->radio_mode = tuner->audmode; tda9887_configure (t); } break; } case VIDIOC_LOG_STATUS: { tda9887_info("Data bytes: b=0x%02x c=0x%02x e=0x%02x\n", t->data[1], t->data[2], t->data[3]); break; } default: /* nothing */ break; } return 0; } static int tda9887_suspend(struct device * dev, pm_message_t state) { struct i2c_client *c = container_of(dev, struct i2c_client, dev); struct tda9887 *t = i2c_get_clientdata(c); tda9887_dbg("suspend\n"); return 0; } static int tda9887_resume(struct device * dev) { struct i2c_client *c = container_of(dev, struct i2c_client, dev); struct tda9887 *t = i2c_get_clientdata(c); tda9887_dbg("resume\n"); tda9887_configure(t); return 0; } /* ----------------------------------------------------------------------- */ static struct i2c_driver driver = { .id = I2C_DRIVERID_TDA9887, .attach_adapter = tda9887_probe, .detach_client = tda9887_detach, .command = tda9887_command, .driver = { .name = "tda9887", .suspend = tda9887_suspend, .resume = tda9887_resume, }, }; static struct i2c_client client_template = { .name = "tda9887", .driver = &driver, }; static int __init tda9887_init_module(void) { return i2c_add_driver(&driver); } static void __exit tda9887_cleanup_module(void) { i2c_del_driver(&driver); } module_init(tda9887_init_module); module_exit(tda9887_cleanup_module); /* * Overrides for Emacs so that we follow Linus's tabbing style. * --------------------------------------------------------------------------- * Local variables: * c-basic-offset: 8 * End: */ |