1 /* 2 * BIOS auto-parser helper functions for HD-audio 3 * 4 * Copyright (c) 2012 Takashi Iwai <tiwai@suse.de> 5 * 6 * This driver 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 12 #include <linux/slab.h> 13 #include <linux/export.h> 14 #include <sound/core.h> 15 #include "hda_codec.h" 16 #include "hda_local.h" 17 #include "hda_auto_parser.h" 18 19 #define SFX "hda_codec: " 20 21 /* 22 * Helper for automatic pin configuration 23 */ 24 25 static int is_in_nid_list(hda_nid_t nid, const hda_nid_t *list) 26 { 27 for (; *list; list++) 28 if (*list == nid) 29 return 1; 30 return 0; 31 } 32 33 34 /* 35 * Sort an associated group of pins according to their sequence numbers. 36 */ 37 static void sort_pins_by_sequence(hda_nid_t *pins, short *sequences, 38 int num_pins) 39 { 40 int i, j; 41 short seq; 42 hda_nid_t nid; 43 44 for (i = 0; i < num_pins; i++) { 45 for (j = i + 1; j < num_pins; j++) { 46 if (sequences[i] > sequences[j]) { 47 seq = sequences[i]; 48 sequences[i] = sequences[j]; 49 sequences[j] = seq; 50 nid = pins[i]; 51 pins[i] = pins[j]; 52 pins[j] = nid; 53 } 54 } 55 } 56 } 57 58 59 /* add the found input-pin to the cfg->inputs[] table */ 60 static void add_auto_cfg_input_pin(struct auto_pin_cfg *cfg, hda_nid_t nid, 61 int type) 62 { 63 if (cfg->num_inputs < AUTO_CFG_MAX_INS) { 64 cfg->inputs[cfg->num_inputs].pin = nid; 65 cfg->inputs[cfg->num_inputs].type = type; 66 cfg->num_inputs++; 67 } 68 } 69 70 /* sort inputs in the order of AUTO_PIN_* type */ 71 static void sort_autocfg_input_pins(struct auto_pin_cfg *cfg) 72 { 73 int i, j; 74 75 for (i = 0; i < cfg->num_inputs; i++) { 76 for (j = i + 1; j < cfg->num_inputs; j++) { 77 if (cfg->inputs[i].type > cfg->inputs[j].type) { 78 struct auto_pin_cfg_item tmp; 79 tmp = cfg->inputs[i]; 80 cfg->inputs[i] = cfg->inputs[j]; 81 cfg->inputs[j] = tmp; 82 } 83 } 84 } 85 } 86 87 /* Reorder the surround channels 88 * ALSA sequence is front/surr/clfe/side 89 * HDA sequence is: 90 * 4-ch: front/surr => OK as it is 91 * 6-ch: front/clfe/surr 92 * 8-ch: front/clfe/rear/side|fc 93 */ 94 static void reorder_outputs(unsigned int nums, hda_nid_t *pins) 95 { 96 hda_nid_t nid; 97 98 switch (nums) { 99 case 3: 100 case 4: 101 nid = pins[1]; 102 pins[1] = pins[2]; 103 pins[2] = nid; 104 break; 105 } 106 } 107 108 /* 109 * Parse all pin widgets and store the useful pin nids to cfg 110 * 111 * The number of line-outs or any primary output is stored in line_outs, 112 * and the corresponding output pins are assigned to line_out_pins[], 113 * in the order of front, rear, CLFE, side, ... 114 * 115 * If more extra outputs (speaker and headphone) are found, the pins are 116 * assisnged to hp_pins[] and speaker_pins[], respectively. If no line-out jack 117 * is detected, one of speaker of HP pins is assigned as the primary 118 * output, i.e. to line_out_pins[0]. So, line_outs is always positive 119 * if any analog output exists. 120 * 121 * The analog input pins are assigned to inputs array. 122 * The digital input/output pins are assigned to dig_in_pin and dig_out_pin, 123 * respectively. 124 */ 125 int snd_hda_parse_pin_defcfg(struct hda_codec *codec, 126 struct auto_pin_cfg *cfg, 127 const hda_nid_t *ignore_nids, 128 unsigned int cond_flags) 129 { 130 hda_nid_t nid, end_nid; 131 short seq, assoc_line_out; 132 short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)]; 133 short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)]; 134 short sequences_hp[ARRAY_SIZE(cfg->hp_pins)]; 135 int i; 136 137 memset(cfg, 0, sizeof(*cfg)); 138 139 memset(sequences_line_out, 0, sizeof(sequences_line_out)); 140 memset(sequences_speaker, 0, sizeof(sequences_speaker)); 141 memset(sequences_hp, 0, sizeof(sequences_hp)); 142 assoc_line_out = 0; 143 144 codec->ignore_misc_bit = true; 145 end_nid = codec->start_nid + codec->num_nodes; 146 for (nid = codec->start_nid; nid < end_nid; nid++) { 147 unsigned int wid_caps = get_wcaps(codec, nid); 148 unsigned int wid_type = get_wcaps_type(wid_caps); 149 unsigned int def_conf; 150 short assoc, loc, conn, dev; 151 152 /* read all default configuration for pin complex */ 153 if (wid_type != AC_WID_PIN) 154 continue; 155 /* ignore the given nids (e.g. pc-beep returns error) */ 156 if (ignore_nids && is_in_nid_list(nid, ignore_nids)) 157 continue; 158 159 def_conf = snd_hda_codec_get_pincfg(codec, nid); 160 if (!(get_defcfg_misc(snd_hda_codec_get_pincfg(codec, nid)) & 161 AC_DEFCFG_MISC_NO_PRESENCE)) 162 codec->ignore_misc_bit = false; 163 conn = get_defcfg_connect(def_conf); 164 if (conn == AC_JACK_PORT_NONE) 165 continue; 166 loc = get_defcfg_location(def_conf); 167 dev = get_defcfg_device(def_conf); 168 169 /* workaround for buggy BIOS setups */ 170 if (dev == AC_JACK_LINE_OUT) { 171 if (conn == AC_JACK_PORT_FIXED) 172 dev = AC_JACK_SPEAKER; 173 } 174 175 switch (dev) { 176 case AC_JACK_LINE_OUT: 177 seq = get_defcfg_sequence(def_conf); 178 assoc = get_defcfg_association(def_conf); 179 180 if (!(wid_caps & AC_WCAP_STEREO)) 181 if (!cfg->mono_out_pin) 182 cfg->mono_out_pin = nid; 183 if (!assoc) 184 continue; 185 if (!assoc_line_out) 186 assoc_line_out = assoc; 187 else if (assoc_line_out != assoc) 188 continue; 189 if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins)) 190 continue; 191 cfg->line_out_pins[cfg->line_outs] = nid; 192 sequences_line_out[cfg->line_outs] = seq; 193 cfg->line_outs++; 194 break; 195 case AC_JACK_SPEAKER: 196 seq = get_defcfg_sequence(def_conf); 197 assoc = get_defcfg_association(def_conf); 198 if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins)) 199 continue; 200 cfg->speaker_pins[cfg->speaker_outs] = nid; 201 sequences_speaker[cfg->speaker_outs] = (assoc << 4) | seq; 202 cfg->speaker_outs++; 203 break; 204 case AC_JACK_HP_OUT: 205 seq = get_defcfg_sequence(def_conf); 206 assoc = get_defcfg_association(def_conf); 207 if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins)) 208 continue; 209 cfg->hp_pins[cfg->hp_outs] = nid; 210 sequences_hp[cfg->hp_outs] = (assoc << 4) | seq; 211 cfg->hp_outs++; 212 break; 213 case AC_JACK_MIC_IN: 214 add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_MIC); 215 break; 216 case AC_JACK_LINE_IN: 217 add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_LINE_IN); 218 break; 219 case AC_JACK_CD: 220 add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_CD); 221 break; 222 case AC_JACK_AUX: 223 add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_AUX); 224 break; 225 case AC_JACK_SPDIF_OUT: 226 case AC_JACK_DIG_OTHER_OUT: 227 if (cfg->dig_outs >= ARRAY_SIZE(cfg->dig_out_pins)) 228 continue; 229 cfg->dig_out_pins[cfg->dig_outs] = nid; 230 cfg->dig_out_type[cfg->dig_outs] = 231 (loc == AC_JACK_LOC_HDMI) ? 232 HDA_PCM_TYPE_HDMI : HDA_PCM_TYPE_SPDIF; 233 cfg->dig_outs++; 234 break; 235 case AC_JACK_SPDIF_IN: 236 case AC_JACK_DIG_OTHER_IN: 237 cfg->dig_in_pin = nid; 238 if (loc == AC_JACK_LOC_HDMI) 239 cfg->dig_in_type = HDA_PCM_TYPE_HDMI; 240 else 241 cfg->dig_in_type = HDA_PCM_TYPE_SPDIF; 242 break; 243 } 244 } 245 246 /* FIX-UP: 247 * If no line-out is defined but multiple HPs are found, 248 * some of them might be the real line-outs. 249 */ 250 if (!cfg->line_outs && cfg->hp_outs > 1 && 251 !(cond_flags & HDA_PINCFG_NO_HP_FIXUP)) { 252 int i = 0; 253 while (i < cfg->hp_outs) { 254 /* The real HPs should have the sequence 0x0f */ 255 if ((sequences_hp[i] & 0x0f) == 0x0f) { 256 i++; 257 continue; 258 } 259 /* Move it to the line-out table */ 260 cfg->line_out_pins[cfg->line_outs] = cfg->hp_pins[i]; 261 sequences_line_out[cfg->line_outs] = sequences_hp[i]; 262 cfg->line_outs++; 263 cfg->hp_outs--; 264 memmove(cfg->hp_pins + i, cfg->hp_pins + i + 1, 265 sizeof(cfg->hp_pins[0]) * (cfg->hp_outs - i)); 266 memmove(sequences_hp + i, sequences_hp + i + 1, 267 sizeof(sequences_hp[0]) * (cfg->hp_outs - i)); 268 } 269 memset(cfg->hp_pins + cfg->hp_outs, 0, 270 sizeof(hda_nid_t) * (AUTO_CFG_MAX_OUTS - cfg->hp_outs)); 271 if (!cfg->hp_outs) 272 cfg->line_out_type = AUTO_PIN_HP_OUT; 273 274 } 275 276 /* sort by sequence */ 277 sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out, 278 cfg->line_outs); 279 sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker, 280 cfg->speaker_outs); 281 sort_pins_by_sequence(cfg->hp_pins, sequences_hp, 282 cfg->hp_outs); 283 284 /* 285 * FIX-UP: if no line-outs are detected, try to use speaker or HP pin 286 * as a primary output 287 */ 288 if (!cfg->line_outs && 289 !(cond_flags & HDA_PINCFG_NO_LO_FIXUP)) { 290 if (cfg->speaker_outs) { 291 cfg->line_outs = cfg->speaker_outs; 292 memcpy(cfg->line_out_pins, cfg->speaker_pins, 293 sizeof(cfg->speaker_pins)); 294 cfg->speaker_outs = 0; 295 memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins)); 296 cfg->line_out_type = AUTO_PIN_SPEAKER_OUT; 297 } else if (cfg->hp_outs) { 298 cfg->line_outs = cfg->hp_outs; 299 memcpy(cfg->line_out_pins, cfg->hp_pins, 300 sizeof(cfg->hp_pins)); 301 cfg->hp_outs = 0; 302 memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins)); 303 cfg->line_out_type = AUTO_PIN_HP_OUT; 304 } 305 } 306 307 reorder_outputs(cfg->line_outs, cfg->line_out_pins); 308 reorder_outputs(cfg->hp_outs, cfg->hp_pins); 309 reorder_outputs(cfg->speaker_outs, cfg->speaker_pins); 310 311 sort_autocfg_input_pins(cfg); 312 313 /* 314 * debug prints of the parsed results 315 */ 316 snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x) type:%s\n", 317 cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1], 318 cfg->line_out_pins[2], cfg->line_out_pins[3], 319 cfg->line_out_pins[4], 320 cfg->line_out_type == AUTO_PIN_HP_OUT ? "hp" : 321 (cfg->line_out_type == AUTO_PIN_SPEAKER_OUT ? 322 "speaker" : "line")); 323 snd_printd(" speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n", 324 cfg->speaker_outs, cfg->speaker_pins[0], 325 cfg->speaker_pins[1], cfg->speaker_pins[2], 326 cfg->speaker_pins[3], cfg->speaker_pins[4]); 327 snd_printd(" hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n", 328 cfg->hp_outs, cfg->hp_pins[0], 329 cfg->hp_pins[1], cfg->hp_pins[2], 330 cfg->hp_pins[3], cfg->hp_pins[4]); 331 snd_printd(" mono: mono_out=0x%x\n", cfg->mono_out_pin); 332 if (cfg->dig_outs) 333 snd_printd(" dig-out=0x%x/0x%x\n", 334 cfg->dig_out_pins[0], cfg->dig_out_pins[1]); 335 snd_printd(" inputs:"); 336 for (i = 0; i < cfg->num_inputs; i++) { 337 snd_printd(" %s=0x%x", 338 hda_get_autocfg_input_label(codec, cfg, i), 339 cfg->inputs[i].pin); 340 } 341 snd_printd("\n"); 342 if (cfg->dig_in_pin) 343 snd_printd(" dig-in=0x%x\n", cfg->dig_in_pin); 344 345 return 0; 346 } 347 EXPORT_SYMBOL_HDA(snd_hda_parse_pin_defcfg); 348 349 int snd_hda_get_input_pin_attr(unsigned int def_conf) 350 { 351 unsigned int loc = get_defcfg_location(def_conf); 352 unsigned int conn = get_defcfg_connect(def_conf); 353 if (conn == AC_JACK_PORT_NONE) 354 return INPUT_PIN_ATTR_UNUSED; 355 /* Windows may claim the internal mic to be BOTH, too */ 356 if (conn == AC_JACK_PORT_FIXED || conn == AC_JACK_PORT_BOTH) 357 return INPUT_PIN_ATTR_INT; 358 if ((loc & 0x30) == AC_JACK_LOC_INTERNAL) 359 return INPUT_PIN_ATTR_INT; 360 if ((loc & 0x30) == AC_JACK_LOC_SEPARATE) 361 return INPUT_PIN_ATTR_DOCK; 362 if (loc == AC_JACK_LOC_REAR) 363 return INPUT_PIN_ATTR_REAR; 364 if (loc == AC_JACK_LOC_FRONT) 365 return INPUT_PIN_ATTR_FRONT; 366 return INPUT_PIN_ATTR_NORMAL; 367 } 368 EXPORT_SYMBOL_HDA(snd_hda_get_input_pin_attr); 369 370 /** 371 * hda_get_input_pin_label - Give a label for the given input pin 372 * 373 * When check_location is true, the function checks the pin location 374 * for mic and line-in pins, and set an appropriate prefix like "Front", 375 * "Rear", "Internal". 376 */ 377 378 static const char *hda_get_input_pin_label(struct hda_codec *codec, 379 hda_nid_t pin, bool check_location) 380 { 381 unsigned int def_conf; 382 static const char * const mic_names[] = { 383 "Internal Mic", "Dock Mic", "Mic", "Front Mic", "Rear Mic", 384 }; 385 int attr; 386 387 def_conf = snd_hda_codec_get_pincfg(codec, pin); 388 389 switch (get_defcfg_device(def_conf)) { 390 case AC_JACK_MIC_IN: 391 if (!check_location) 392 return "Mic"; 393 attr = snd_hda_get_input_pin_attr(def_conf); 394 if (!attr) 395 return "None"; 396 return mic_names[attr - 1]; 397 case AC_JACK_LINE_IN: 398 if (!check_location) 399 return "Line"; 400 attr = snd_hda_get_input_pin_attr(def_conf); 401 if (!attr) 402 return "None"; 403 if (attr == INPUT_PIN_ATTR_DOCK) 404 return "Dock Line"; 405 return "Line"; 406 case AC_JACK_AUX: 407 return "Aux"; 408 case AC_JACK_CD: 409 return "CD"; 410 case AC_JACK_SPDIF_IN: 411 return "SPDIF In"; 412 case AC_JACK_DIG_OTHER_IN: 413 return "Digital In"; 414 default: 415 return "Misc"; 416 } 417 } 418 419 /* Check whether the location prefix needs to be added to the label. 420 * If all mic-jacks are in the same location (e.g. rear panel), we don't 421 * have to put "Front" prefix to each label. In such a case, returns false. 422 */ 423 static int check_mic_location_need(struct hda_codec *codec, 424 const struct auto_pin_cfg *cfg, 425 int input) 426 { 427 unsigned int defc; 428 int i, attr, attr2; 429 430 defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[input].pin); 431 attr = snd_hda_get_input_pin_attr(defc); 432 /* for internal or docking mics, we need locations */ 433 if (attr <= INPUT_PIN_ATTR_NORMAL) 434 return 1; 435 436 attr = 0; 437 for (i = 0; i < cfg->num_inputs; i++) { 438 defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[i].pin); 439 attr2 = snd_hda_get_input_pin_attr(defc); 440 if (attr2 >= INPUT_PIN_ATTR_NORMAL) { 441 if (attr && attr != attr2) 442 return 1; /* different locations found */ 443 attr = attr2; 444 } 445 } 446 return 0; 447 } 448 449 /** 450 * hda_get_autocfg_input_label - Get a label for the given input 451 * 452 * Get a label for the given input pin defined by the autocfg item. 453 * Unlike hda_get_input_pin_label(), this function checks all inputs 454 * defined in autocfg and avoids the redundant mic/line prefix as much as 455 * possible. 456 */ 457 const char *hda_get_autocfg_input_label(struct hda_codec *codec, 458 const struct auto_pin_cfg *cfg, 459 int input) 460 { 461 int type = cfg->inputs[input].type; 462 int has_multiple_pins = 0; 463 464 if ((input > 0 && cfg->inputs[input - 1].type == type) || 465 (input < cfg->num_inputs - 1 && cfg->inputs[input + 1].type == type)) 466 has_multiple_pins = 1; 467 if (has_multiple_pins && type == AUTO_PIN_MIC) 468 has_multiple_pins &= check_mic_location_need(codec, cfg, input); 469 return hda_get_input_pin_label(codec, cfg->inputs[input].pin, 470 has_multiple_pins); 471 } 472 EXPORT_SYMBOL_HDA(hda_get_autocfg_input_label); 473 474 /* return the position of NID in the list, or -1 if not found */ 475 static int find_idx_in_nid_list(hda_nid_t nid, const hda_nid_t *list, int nums) 476 { 477 int i; 478 for (i = 0; i < nums; i++) 479 if (list[i] == nid) 480 return i; 481 return -1; 482 } 483 484 /* get a unique suffix or an index number */ 485 static const char *check_output_sfx(hda_nid_t nid, const hda_nid_t *pins, 486 int num_pins, int *indexp) 487 { 488 static const char * const channel_sfx[] = { 489 " Front", " Surround", " CLFE", " Side" 490 }; 491 int i; 492 493 i = find_idx_in_nid_list(nid, pins, num_pins); 494 if (i < 0) 495 return NULL; 496 if (num_pins == 1) 497 return ""; 498 if (num_pins > ARRAY_SIZE(channel_sfx)) { 499 if (indexp) 500 *indexp = i; 501 return ""; 502 } 503 return channel_sfx[i]; 504 } 505 506 static int fill_audio_out_name(struct hda_codec *codec, hda_nid_t nid, 507 const struct auto_pin_cfg *cfg, 508 const char *name, char *label, int maxlen, 509 int *indexp) 510 { 511 unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid); 512 int attr = snd_hda_get_input_pin_attr(def_conf); 513 const char *pfx = "", *sfx = ""; 514 515 /* handle as a speaker if it's a fixed line-out */ 516 if (!strcmp(name, "Line Out") && attr == INPUT_PIN_ATTR_INT) 517 name = "Speaker"; 518 /* check the location */ 519 switch (attr) { 520 case INPUT_PIN_ATTR_DOCK: 521 pfx = "Dock "; 522 break; 523 case INPUT_PIN_ATTR_FRONT: 524 pfx = "Front "; 525 break; 526 } 527 if (cfg) { 528 /* try to give a unique suffix if needed */ 529 sfx = check_output_sfx(nid, cfg->line_out_pins, cfg->line_outs, 530 indexp); 531 if (!sfx) 532 sfx = check_output_sfx(nid, cfg->speaker_pins, cfg->speaker_outs, 533 indexp); 534 if (!sfx) { 535 /* don't add channel suffix for Headphone controls */ 536 int idx = find_idx_in_nid_list(nid, cfg->hp_pins, 537 cfg->hp_outs); 538 if (idx >= 0) 539 *indexp = idx; 540 sfx = ""; 541 } 542 } 543 snprintf(label, maxlen, "%s%s%s", pfx, name, sfx); 544 return 1; 545 } 546 547 /** 548 * snd_hda_get_pin_label - Get a label for the given I/O pin 549 * 550 * Get a label for the given pin. This function works for both input and 551 * output pins. When @cfg is given as non-NULL, the function tries to get 552 * an optimized label using hda_get_autocfg_input_label(). 553 * 554 * This function tries to give a unique label string for the pin as much as 555 * possible. For example, when the multiple line-outs are present, it adds 556 * the channel suffix like "Front", "Surround", etc (only when @cfg is given). 557 * If no unique name with a suffix is available and @indexp is non-NULL, the 558 * index number is stored in the pointer. 559 */ 560 int snd_hda_get_pin_label(struct hda_codec *codec, hda_nid_t nid, 561 const struct auto_pin_cfg *cfg, 562 char *label, int maxlen, int *indexp) 563 { 564 unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid); 565 const char *name = NULL; 566 int i; 567 568 if (indexp) 569 *indexp = 0; 570 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE) 571 return 0; 572 573 switch (get_defcfg_device(def_conf)) { 574 case AC_JACK_LINE_OUT: 575 return fill_audio_out_name(codec, nid, cfg, "Line Out", 576 label, maxlen, indexp); 577 case AC_JACK_SPEAKER: 578 return fill_audio_out_name(codec, nid, cfg, "Speaker", 579 label, maxlen, indexp); 580 case AC_JACK_HP_OUT: 581 return fill_audio_out_name(codec, nid, cfg, "Headphone", 582 label, maxlen, indexp); 583 case AC_JACK_SPDIF_OUT: 584 case AC_JACK_DIG_OTHER_OUT: 585 if (get_defcfg_location(def_conf) == AC_JACK_LOC_HDMI) 586 name = "HDMI"; 587 else 588 name = "SPDIF"; 589 if (cfg && indexp) { 590 i = find_idx_in_nid_list(nid, cfg->dig_out_pins, 591 cfg->dig_outs); 592 if (i >= 0) 593 *indexp = i; 594 } 595 break; 596 default: 597 if (cfg) { 598 for (i = 0; i < cfg->num_inputs; i++) { 599 if (cfg->inputs[i].pin != nid) 600 continue; 601 name = hda_get_autocfg_input_label(codec, cfg, i); 602 if (name) 603 break; 604 } 605 } 606 if (!name) 607 name = hda_get_input_pin_label(codec, nid, true); 608 break; 609 } 610 if (!name) 611 return 0; 612 strlcpy(label, name, maxlen); 613 return 1; 614 } 615 EXPORT_SYMBOL_HDA(snd_hda_get_pin_label); 616 617 int snd_hda_gen_add_verbs(struct hda_gen_spec *spec, 618 const struct hda_verb *list) 619 { 620 const struct hda_verb **v; 621 v = snd_array_new(&spec->verbs); 622 if (!v) 623 return -ENOMEM; 624 *v = list; 625 return 0; 626 } 627 EXPORT_SYMBOL_HDA(snd_hda_gen_add_verbs); 628 629 void snd_hda_gen_apply_verbs(struct hda_codec *codec) 630 { 631 struct hda_gen_spec *spec = codec->spec; 632 int i; 633 for (i = 0; i < spec->verbs.used; i++) { 634 struct hda_verb **v = snd_array_elem(&spec->verbs, i); 635 snd_hda_sequence_write(codec, *v); 636 } 637 } 638 EXPORT_SYMBOL_HDA(snd_hda_gen_apply_verbs); 639 640 void snd_hda_apply_pincfgs(struct hda_codec *codec, 641 const struct hda_pintbl *cfg) 642 { 643 for (; cfg->nid; cfg++) 644 snd_hda_codec_set_pincfg(codec, cfg->nid, cfg->val); 645 } 646 EXPORT_SYMBOL_HDA(snd_hda_apply_pincfgs); 647 648 void snd_hda_apply_fixup(struct hda_codec *codec, int action) 649 { 650 struct hda_gen_spec *spec = codec->spec; 651 int id = spec->fixup_id; 652 #ifdef CONFIG_SND_DEBUG_VERBOSE 653 const char *modelname = spec->fixup_name; 654 #endif 655 int depth = 0; 656 657 if (!spec->fixup_list) 658 return; 659 660 while (id >= 0) { 661 const struct hda_fixup *fix = spec->fixup_list + id; 662 663 switch (fix->type) { 664 case HDA_FIXUP_PINS: 665 if (action != HDA_FIXUP_ACT_PRE_PROBE || !fix->v.pins) 666 break; 667 snd_printdd(KERN_INFO SFX 668 "%s: Apply pincfg for %s\n", 669 codec->chip_name, modelname); 670 snd_hda_apply_pincfgs(codec, fix->v.pins); 671 break; 672 case HDA_FIXUP_VERBS: 673 if (action != HDA_FIXUP_ACT_PROBE || !fix->v.verbs) 674 break; 675 snd_printdd(KERN_INFO SFX 676 "%s: Apply fix-verbs for %s\n", 677 codec->chip_name, modelname); 678 snd_hda_gen_add_verbs(codec->spec, fix->v.verbs); 679 break; 680 case HDA_FIXUP_FUNC: 681 if (!fix->v.func) 682 break; 683 snd_printdd(KERN_INFO SFX 684 "%s: Apply fix-func for %s\n", 685 codec->chip_name, modelname); 686 fix->v.func(codec, fix, action); 687 break; 688 default: 689 snd_printk(KERN_ERR SFX 690 "%s: Invalid fixup type %d\n", 691 codec->chip_name, fix->type); 692 break; 693 } 694 if (!fix->chained) 695 break; 696 if (++depth > 10) 697 break; 698 id = fix->chain_id; 699 } 700 } 701 EXPORT_SYMBOL_HDA(snd_hda_apply_fixup); 702 703 void snd_hda_pick_fixup(struct hda_codec *codec, 704 const struct hda_model_fixup *models, 705 const struct snd_pci_quirk *quirk, 706 const struct hda_fixup *fixlist) 707 { 708 struct hda_gen_spec *spec = codec->spec; 709 const struct snd_pci_quirk *q; 710 int id = -1; 711 const char *name = NULL; 712 713 /* when model=nofixup is given, don't pick up any fixups */ 714 if (codec->modelname && !strcmp(codec->modelname, "nofixup")) { 715 spec->fixup_list = NULL; 716 spec->fixup_id = -1; 717 return; 718 } 719 720 if (codec->modelname && models) { 721 while (models->name) { 722 if (!strcmp(codec->modelname, models->name)) { 723 id = models->id; 724 name = models->name; 725 break; 726 } 727 models++; 728 } 729 } 730 if (id < 0 && quirk) { 731 q = snd_pci_quirk_lookup(codec->bus->pci, quirk); 732 if (q) { 733 id = q->value; 734 #ifdef CONFIG_SND_DEBUG_VERBOSE 735 name = q->name; 736 #endif 737 } 738 } 739 if (id < 0 && quirk) { 740 for (q = quirk; q->subvendor; q++) { 741 unsigned int vendorid = 742 q->subdevice | (q->subvendor << 16); 743 if (vendorid == codec->subsystem_id) { 744 id = q->value; 745 #ifdef CONFIG_SND_DEBUG_VERBOSE 746 name = q->name; 747 #endif 748 break; 749 } 750 } 751 } 752 753 spec->fixup_id = id; 754 if (id >= 0) { 755 spec->fixup_list = fixlist; 756 spec->fixup_name = name; 757 } 758 } 759 EXPORT_SYMBOL_HDA(snd_hda_pick_fixup); 760