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 <linux/sort.h> 15 #include <sound/core.h> 16 #include "hda_codec.h" 17 #include "hda_local.h" 18 #include "hda_auto_parser.h" 19 20 #define SFX "hda_codec: " 21 22 /* 23 * Helper for automatic pin configuration 24 */ 25 26 static int is_in_nid_list(hda_nid_t nid, const hda_nid_t *list) 27 { 28 for (; *list; list++) 29 if (*list == nid) 30 return 1; 31 return 0; 32 } 33 34 /* a pair of input pin and its sequence */ 35 struct auto_out_pin { 36 hda_nid_t pin; 37 short seq; 38 }; 39 40 static int compare_seq(const void *ap, const void *bp) 41 { 42 const struct auto_out_pin *a = ap; 43 const struct auto_out_pin *b = bp; 44 return (int)(a->seq - b->seq); 45 } 46 47 /* 48 * Sort an associated group of pins according to their sequence numbers. 49 * then store it to a pin array. 50 */ 51 static void sort_pins_by_sequence(hda_nid_t *pins, struct auto_out_pin *list, 52 int num_pins) 53 { 54 int i; 55 sort(list, num_pins, sizeof(list[0]), compare_seq, NULL); 56 for (i = 0; i < num_pins; i++) 57 pins[i] = list[i].pin; 58 } 59 60 61 /* add the found input-pin to the cfg->inputs[] table */ 62 static void add_auto_cfg_input_pin(struct auto_pin_cfg *cfg, hda_nid_t nid, 63 int type) 64 { 65 if (cfg->num_inputs < AUTO_CFG_MAX_INS) { 66 cfg->inputs[cfg->num_inputs].pin = nid; 67 cfg->inputs[cfg->num_inputs].type = type; 68 cfg->num_inputs++; 69 } 70 } 71 72 static int compare_input_type(const void *ap, const void *bp) 73 { 74 const struct auto_pin_cfg_item *a = ap; 75 const struct auto_pin_cfg_item *b = bp; 76 return (int)(a->type - b->type); 77 } 78 79 /* Reorder the surround channels 80 * ALSA sequence is front/surr/clfe/side 81 * HDA sequence is: 82 * 4-ch: front/surr => OK as it is 83 * 6-ch: front/clfe/surr 84 * 8-ch: front/clfe/rear/side|fc 85 */ 86 static void reorder_outputs(unsigned int nums, hda_nid_t *pins) 87 { 88 hda_nid_t nid; 89 90 switch (nums) { 91 case 3: 92 case 4: 93 nid = pins[1]; 94 pins[1] = pins[2]; 95 pins[2] = nid; 96 break; 97 } 98 } 99 100 /* 101 * Parse all pin widgets and store the useful pin nids to cfg 102 * 103 * The number of line-outs or any primary output is stored in line_outs, 104 * and the corresponding output pins are assigned to line_out_pins[], 105 * in the order of front, rear, CLFE, side, ... 106 * 107 * If more extra outputs (speaker and headphone) are found, the pins are 108 * assisnged to hp_pins[] and speaker_pins[], respectively. If no line-out jack 109 * is detected, one of speaker of HP pins is assigned as the primary 110 * output, i.e. to line_out_pins[0]. So, line_outs is always positive 111 * if any analog output exists. 112 * 113 * The analog input pins are assigned to inputs array. 114 * The digital input/output pins are assigned to dig_in_pin and dig_out_pin, 115 * respectively. 116 */ 117 int snd_hda_parse_pin_defcfg(struct hda_codec *codec, 118 struct auto_pin_cfg *cfg, 119 const hda_nid_t *ignore_nids, 120 unsigned int cond_flags) 121 { 122 hda_nid_t nid, end_nid; 123 short seq, assoc_line_out; 124 struct auto_out_pin line_out[ARRAY_SIZE(cfg->line_out_pins)]; 125 struct auto_out_pin speaker_out[ARRAY_SIZE(cfg->speaker_pins)]; 126 struct auto_out_pin hp_out[ARRAY_SIZE(cfg->hp_pins)]; 127 int i; 128 129 memset(cfg, 0, sizeof(*cfg)); 130 131 memset(line_out, 0, sizeof(line_out)); 132 memset(speaker_out, 0, sizeof(speaker_out)); 133 memset(hp_out, 0, sizeof(hp_out)); 134 assoc_line_out = 0; 135 136 end_nid = codec->start_nid + codec->num_nodes; 137 for (nid = codec->start_nid; nid < end_nid; nid++) { 138 unsigned int wid_caps = get_wcaps(codec, nid); 139 unsigned int wid_type = get_wcaps_type(wid_caps); 140 unsigned int def_conf; 141 short assoc, loc, conn, dev; 142 143 /* read all default configuration for pin complex */ 144 if (wid_type != AC_WID_PIN) 145 continue; 146 /* ignore the given nids (e.g. pc-beep returns error) */ 147 if (ignore_nids && is_in_nid_list(nid, ignore_nids)) 148 continue; 149 150 def_conf = snd_hda_codec_get_pincfg(codec, nid); 151 conn = get_defcfg_connect(def_conf); 152 if (conn == AC_JACK_PORT_NONE) 153 continue; 154 loc = get_defcfg_location(def_conf); 155 dev = get_defcfg_device(def_conf); 156 157 /* workaround for buggy BIOS setups */ 158 if (dev == AC_JACK_LINE_OUT) { 159 if (conn == AC_JACK_PORT_FIXED) 160 dev = AC_JACK_SPEAKER; 161 } 162 163 switch (dev) { 164 case AC_JACK_LINE_OUT: 165 seq = get_defcfg_sequence(def_conf); 166 assoc = get_defcfg_association(def_conf); 167 168 if (!(wid_caps & AC_WCAP_STEREO)) 169 if (!cfg->mono_out_pin) 170 cfg->mono_out_pin = nid; 171 if (!assoc) 172 continue; 173 if (!assoc_line_out) 174 assoc_line_out = assoc; 175 else if (assoc_line_out != assoc) 176 continue; 177 if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins)) 178 continue; 179 line_out[cfg->line_outs].pin = nid; 180 line_out[cfg->line_outs].seq = seq; 181 cfg->line_outs++; 182 break; 183 case AC_JACK_SPEAKER: 184 seq = get_defcfg_sequence(def_conf); 185 assoc = get_defcfg_association(def_conf); 186 if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins)) 187 continue; 188 speaker_out[cfg->speaker_outs].pin = nid; 189 speaker_out[cfg->speaker_outs].seq = (assoc << 4) | seq; 190 cfg->speaker_outs++; 191 break; 192 case AC_JACK_HP_OUT: 193 seq = get_defcfg_sequence(def_conf); 194 assoc = get_defcfg_association(def_conf); 195 if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins)) 196 continue; 197 hp_out[cfg->hp_outs].pin = nid; 198 hp_out[cfg->hp_outs].seq = (assoc << 4) | seq; 199 cfg->hp_outs++; 200 break; 201 case AC_JACK_MIC_IN: 202 add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_MIC); 203 break; 204 case AC_JACK_LINE_IN: 205 add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_LINE_IN); 206 break; 207 case AC_JACK_CD: 208 add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_CD); 209 break; 210 case AC_JACK_AUX: 211 add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_AUX); 212 break; 213 case AC_JACK_SPDIF_OUT: 214 case AC_JACK_DIG_OTHER_OUT: 215 if (cfg->dig_outs >= ARRAY_SIZE(cfg->dig_out_pins)) 216 continue; 217 cfg->dig_out_pins[cfg->dig_outs] = nid; 218 cfg->dig_out_type[cfg->dig_outs] = 219 (loc == AC_JACK_LOC_HDMI) ? 220 HDA_PCM_TYPE_HDMI : HDA_PCM_TYPE_SPDIF; 221 cfg->dig_outs++; 222 break; 223 case AC_JACK_SPDIF_IN: 224 case AC_JACK_DIG_OTHER_IN: 225 cfg->dig_in_pin = nid; 226 if (loc == AC_JACK_LOC_HDMI) 227 cfg->dig_in_type = HDA_PCM_TYPE_HDMI; 228 else 229 cfg->dig_in_type = HDA_PCM_TYPE_SPDIF; 230 break; 231 } 232 } 233 234 /* FIX-UP: 235 * If no line-out is defined but multiple HPs are found, 236 * some of them might be the real line-outs. 237 */ 238 if (!cfg->line_outs && cfg->hp_outs > 1 && 239 !(cond_flags & HDA_PINCFG_NO_HP_FIXUP)) { 240 int i = 0; 241 while (i < cfg->hp_outs) { 242 /* The real HPs should have the sequence 0x0f */ 243 if ((hp_out[i].seq & 0x0f) == 0x0f) { 244 i++; 245 continue; 246 } 247 /* Move it to the line-out table */ 248 line_out[cfg->line_outs++] = hp_out[i]; 249 cfg->hp_outs--; 250 memmove(hp_out + i, hp_out + i + 1, 251 sizeof(hp_out[0]) * (cfg->hp_outs - i)); 252 } 253 memset(hp_out + cfg->hp_outs, 0, 254 sizeof(hp_out[0]) * (AUTO_CFG_MAX_OUTS - cfg->hp_outs)); 255 if (!cfg->hp_outs) 256 cfg->line_out_type = AUTO_PIN_HP_OUT; 257 258 } 259 260 /* sort by sequence */ 261 sort_pins_by_sequence(cfg->line_out_pins, line_out, cfg->line_outs); 262 sort_pins_by_sequence(cfg->speaker_pins, speaker_out, 263 cfg->speaker_outs); 264 sort_pins_by_sequence(cfg->hp_pins, hp_out, cfg->hp_outs); 265 266 /* 267 * FIX-UP: if no line-outs are detected, try to use speaker or HP pin 268 * as a primary output 269 */ 270 if (!cfg->line_outs && 271 !(cond_flags & HDA_PINCFG_NO_LO_FIXUP)) { 272 if (cfg->speaker_outs) { 273 cfg->line_outs = cfg->speaker_outs; 274 memcpy(cfg->line_out_pins, cfg->speaker_pins, 275 sizeof(cfg->speaker_pins)); 276 cfg->speaker_outs = 0; 277 memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins)); 278 cfg->line_out_type = AUTO_PIN_SPEAKER_OUT; 279 } else if (cfg->hp_outs) { 280 cfg->line_outs = cfg->hp_outs; 281 memcpy(cfg->line_out_pins, cfg->hp_pins, 282 sizeof(cfg->hp_pins)); 283 cfg->hp_outs = 0; 284 memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins)); 285 cfg->line_out_type = AUTO_PIN_HP_OUT; 286 } 287 } 288 289 reorder_outputs(cfg->line_outs, cfg->line_out_pins); 290 reorder_outputs(cfg->hp_outs, cfg->hp_pins); 291 reorder_outputs(cfg->speaker_outs, cfg->speaker_pins); 292 293 /* sort inputs in the order of AUTO_PIN_* type */ 294 sort(cfg->inputs, cfg->num_inputs, sizeof(cfg->inputs[0]), 295 compare_input_type, NULL); 296 297 /* 298 * debug prints of the parsed results 299 */ 300 snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x) type:%s\n", 301 cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1], 302 cfg->line_out_pins[2], cfg->line_out_pins[3], 303 cfg->line_out_pins[4], 304 cfg->line_out_type == AUTO_PIN_HP_OUT ? "hp" : 305 (cfg->line_out_type == AUTO_PIN_SPEAKER_OUT ? 306 "speaker" : "line")); 307 snd_printd(" speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n", 308 cfg->speaker_outs, cfg->speaker_pins[0], 309 cfg->speaker_pins[1], cfg->speaker_pins[2], 310 cfg->speaker_pins[3], cfg->speaker_pins[4]); 311 snd_printd(" hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n", 312 cfg->hp_outs, cfg->hp_pins[0], 313 cfg->hp_pins[1], cfg->hp_pins[2], 314 cfg->hp_pins[3], cfg->hp_pins[4]); 315 snd_printd(" mono: mono_out=0x%x\n", cfg->mono_out_pin); 316 if (cfg->dig_outs) 317 snd_printd(" dig-out=0x%x/0x%x\n", 318 cfg->dig_out_pins[0], cfg->dig_out_pins[1]); 319 snd_printd(" inputs:\n"); 320 for (i = 0; i < cfg->num_inputs; i++) { 321 snd_printd(" %s=0x%x\n", 322 hda_get_autocfg_input_label(codec, cfg, i), 323 cfg->inputs[i].pin); 324 } 325 if (cfg->dig_in_pin) 326 snd_printd(" dig-in=0x%x\n", cfg->dig_in_pin); 327 328 return 0; 329 } 330 EXPORT_SYMBOL_HDA(snd_hda_parse_pin_defcfg); 331 332 int snd_hda_get_input_pin_attr(unsigned int def_conf) 333 { 334 unsigned int loc = get_defcfg_location(def_conf); 335 unsigned int conn = get_defcfg_connect(def_conf); 336 if (conn == AC_JACK_PORT_NONE) 337 return INPUT_PIN_ATTR_UNUSED; 338 /* Windows may claim the internal mic to be BOTH, too */ 339 if (conn == AC_JACK_PORT_FIXED || conn == AC_JACK_PORT_BOTH) 340 return INPUT_PIN_ATTR_INT; 341 if ((loc & 0x30) == AC_JACK_LOC_INTERNAL) 342 return INPUT_PIN_ATTR_INT; 343 if ((loc & 0x30) == AC_JACK_LOC_SEPARATE) 344 return INPUT_PIN_ATTR_DOCK; 345 if (loc == AC_JACK_LOC_REAR) 346 return INPUT_PIN_ATTR_REAR; 347 if (loc == AC_JACK_LOC_FRONT) 348 return INPUT_PIN_ATTR_FRONT; 349 return INPUT_PIN_ATTR_NORMAL; 350 } 351 EXPORT_SYMBOL_HDA(snd_hda_get_input_pin_attr); 352 353 /** 354 * hda_get_input_pin_label - Give a label for the given input pin 355 * 356 * When check_location is true, the function checks the pin location 357 * for mic and line-in pins, and set an appropriate prefix like "Front", 358 * "Rear", "Internal". 359 */ 360 361 static const char *hda_get_input_pin_label(struct hda_codec *codec, 362 hda_nid_t pin, bool check_location) 363 { 364 unsigned int def_conf; 365 static const char * const mic_names[] = { 366 "Internal Mic", "Dock Mic", "Mic", "Front Mic", "Rear Mic", 367 }; 368 int attr; 369 370 def_conf = snd_hda_codec_get_pincfg(codec, pin); 371 372 switch (get_defcfg_device(def_conf)) { 373 case AC_JACK_MIC_IN: 374 if (!check_location) 375 return "Mic"; 376 attr = snd_hda_get_input_pin_attr(def_conf); 377 if (!attr) 378 return "None"; 379 return mic_names[attr - 1]; 380 case AC_JACK_LINE_IN: 381 if (!check_location) 382 return "Line"; 383 attr = snd_hda_get_input_pin_attr(def_conf); 384 if (!attr) 385 return "None"; 386 if (attr == INPUT_PIN_ATTR_DOCK) 387 return "Dock Line"; 388 return "Line"; 389 case AC_JACK_AUX: 390 return "Aux"; 391 case AC_JACK_CD: 392 return "CD"; 393 case AC_JACK_SPDIF_IN: 394 return "SPDIF In"; 395 case AC_JACK_DIG_OTHER_IN: 396 return "Digital In"; 397 default: 398 return "Misc"; 399 } 400 } 401 402 /* Check whether the location prefix needs to be added to the label. 403 * If all mic-jacks are in the same location (e.g. rear panel), we don't 404 * have to put "Front" prefix to each label. In such a case, returns false. 405 */ 406 static int check_mic_location_need(struct hda_codec *codec, 407 const struct auto_pin_cfg *cfg, 408 int input) 409 { 410 unsigned int defc; 411 int i, attr, attr2; 412 413 defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[input].pin); 414 attr = snd_hda_get_input_pin_attr(defc); 415 /* for internal or docking mics, we need locations */ 416 if (attr <= INPUT_PIN_ATTR_NORMAL) 417 return 1; 418 419 attr = 0; 420 for (i = 0; i < cfg->num_inputs; i++) { 421 defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[i].pin); 422 attr2 = snd_hda_get_input_pin_attr(defc); 423 if (attr2 >= INPUT_PIN_ATTR_NORMAL) { 424 if (attr && attr != attr2) 425 return 1; /* different locations found */ 426 attr = attr2; 427 } 428 } 429 return 0; 430 } 431 432 /** 433 * hda_get_autocfg_input_label - Get a label for the given input 434 * 435 * Get a label for the given input pin defined by the autocfg item. 436 * Unlike hda_get_input_pin_label(), this function checks all inputs 437 * defined in autocfg and avoids the redundant mic/line prefix as much as 438 * possible. 439 */ 440 const char *hda_get_autocfg_input_label(struct hda_codec *codec, 441 const struct auto_pin_cfg *cfg, 442 int input) 443 { 444 int type = cfg->inputs[input].type; 445 int has_multiple_pins = 0; 446 447 if ((input > 0 && cfg->inputs[input - 1].type == type) || 448 (input < cfg->num_inputs - 1 && cfg->inputs[input + 1].type == type)) 449 has_multiple_pins = 1; 450 if (has_multiple_pins && type == AUTO_PIN_MIC) 451 has_multiple_pins &= check_mic_location_need(codec, cfg, input); 452 return hda_get_input_pin_label(codec, cfg->inputs[input].pin, 453 has_multiple_pins); 454 } 455 EXPORT_SYMBOL_HDA(hda_get_autocfg_input_label); 456 457 /* return the position of NID in the list, or -1 if not found */ 458 static int find_idx_in_nid_list(hda_nid_t nid, const hda_nid_t *list, int nums) 459 { 460 int i; 461 for (i = 0; i < nums; i++) 462 if (list[i] == nid) 463 return i; 464 return -1; 465 } 466 467 /* get a unique suffix or an index number */ 468 static const char *check_output_sfx(hda_nid_t nid, const hda_nid_t *pins, 469 int num_pins, int *indexp) 470 { 471 static const char * const channel_sfx[] = { 472 " Front", " Surround", " CLFE", " Side" 473 }; 474 int i; 475 476 i = find_idx_in_nid_list(nid, pins, num_pins); 477 if (i < 0) 478 return NULL; 479 if (num_pins == 1) 480 return ""; 481 if (num_pins > ARRAY_SIZE(channel_sfx)) { 482 if (indexp) 483 *indexp = i; 484 return ""; 485 } 486 return channel_sfx[i]; 487 } 488 489 static const char *check_output_pfx(struct hda_codec *codec, hda_nid_t nid) 490 { 491 unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid); 492 int attr = snd_hda_get_input_pin_attr(def_conf); 493 494 /* check the location */ 495 switch (attr) { 496 case INPUT_PIN_ATTR_DOCK: 497 return "Dock "; 498 case INPUT_PIN_ATTR_FRONT: 499 return "Front "; 500 } 501 return ""; 502 } 503 504 static int get_hp_label_index(struct hda_codec *codec, hda_nid_t nid, 505 const hda_nid_t *pins, int num_pins) 506 { 507 int i, j, idx = 0; 508 509 const char *pfx = check_output_pfx(codec, nid); 510 511 i = find_idx_in_nid_list(nid, pins, num_pins); 512 if (i < 0) 513 return -1; 514 for (j = 0; j < i; j++) 515 if (pfx == check_output_pfx(codec, pins[j])) 516 idx++; 517 518 return idx; 519 } 520 521 static int fill_audio_out_name(struct hda_codec *codec, hda_nid_t nid, 522 const struct auto_pin_cfg *cfg, 523 const char *name, char *label, int maxlen, 524 int *indexp) 525 { 526 unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid); 527 int attr = snd_hda_get_input_pin_attr(def_conf); 528 const char *pfx, *sfx = ""; 529 530 /* handle as a speaker if it's a fixed line-out */ 531 if (!strcmp(name, "Line Out") && attr == INPUT_PIN_ATTR_INT) 532 name = "Speaker"; 533 pfx = check_output_pfx(codec, nid); 534 535 if (cfg) { 536 /* try to give a unique suffix if needed */ 537 sfx = check_output_sfx(nid, cfg->line_out_pins, cfg->line_outs, 538 indexp); 539 if (!sfx) 540 sfx = check_output_sfx(nid, cfg->speaker_pins, cfg->speaker_outs, 541 indexp); 542 if (!sfx) { 543 /* don't add channel suffix for Headphone controls */ 544 int idx = get_hp_label_index(codec, nid, cfg->hp_pins, 545 cfg->hp_outs); 546 if (idx >= 0) 547 *indexp = idx; 548 sfx = ""; 549 } 550 } 551 snprintf(label, maxlen, "%s%s%s", pfx, name, sfx); 552 return 1; 553 } 554 555 /** 556 * snd_hda_get_pin_label - Get a label for the given I/O pin 557 * 558 * Get a label for the given pin. This function works for both input and 559 * output pins. When @cfg is given as non-NULL, the function tries to get 560 * an optimized label using hda_get_autocfg_input_label(). 561 * 562 * This function tries to give a unique label string for the pin as much as 563 * possible. For example, when the multiple line-outs are present, it adds 564 * the channel suffix like "Front", "Surround", etc (only when @cfg is given). 565 * If no unique name with a suffix is available and @indexp is non-NULL, the 566 * index number is stored in the pointer. 567 */ 568 int snd_hda_get_pin_label(struct hda_codec *codec, hda_nid_t nid, 569 const struct auto_pin_cfg *cfg, 570 char *label, int maxlen, int *indexp) 571 { 572 unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid); 573 const char *name = NULL; 574 int i; 575 576 if (indexp) 577 *indexp = 0; 578 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE) 579 return 0; 580 581 switch (get_defcfg_device(def_conf)) { 582 case AC_JACK_LINE_OUT: 583 return fill_audio_out_name(codec, nid, cfg, "Line Out", 584 label, maxlen, indexp); 585 case AC_JACK_SPEAKER: 586 return fill_audio_out_name(codec, nid, cfg, "Speaker", 587 label, maxlen, indexp); 588 case AC_JACK_HP_OUT: 589 return fill_audio_out_name(codec, nid, cfg, "Headphone", 590 label, maxlen, indexp); 591 case AC_JACK_SPDIF_OUT: 592 case AC_JACK_DIG_OTHER_OUT: 593 if (get_defcfg_location(def_conf) == AC_JACK_LOC_HDMI) 594 name = "HDMI"; 595 else 596 name = "SPDIF"; 597 if (cfg && indexp) { 598 i = find_idx_in_nid_list(nid, cfg->dig_out_pins, 599 cfg->dig_outs); 600 if (i >= 0) 601 *indexp = i; 602 } 603 break; 604 default: 605 if (cfg) { 606 for (i = 0; i < cfg->num_inputs; i++) { 607 if (cfg->inputs[i].pin != nid) 608 continue; 609 name = hda_get_autocfg_input_label(codec, cfg, i); 610 if (name) 611 break; 612 } 613 } 614 if (!name) 615 name = hda_get_input_pin_label(codec, nid, true); 616 break; 617 } 618 if (!name) 619 return 0; 620 strlcpy(label, name, maxlen); 621 return 1; 622 } 623 EXPORT_SYMBOL_HDA(snd_hda_get_pin_label); 624 625 int snd_hda_gen_add_verbs(struct hda_gen_spec *spec, 626 const struct hda_verb *list) 627 { 628 const struct hda_verb **v; 629 v = snd_array_new(&spec->verbs); 630 if (!v) 631 return -ENOMEM; 632 *v = list; 633 return 0; 634 } 635 EXPORT_SYMBOL_HDA(snd_hda_gen_add_verbs); 636 637 void snd_hda_gen_apply_verbs(struct hda_codec *codec) 638 { 639 struct hda_gen_spec *spec = codec->spec; 640 int i; 641 for (i = 0; i < spec->verbs.used; i++) { 642 struct hda_verb **v = snd_array_elem(&spec->verbs, i); 643 snd_hda_sequence_write(codec, *v); 644 } 645 } 646 EXPORT_SYMBOL_HDA(snd_hda_gen_apply_verbs); 647 648 void snd_hda_apply_pincfgs(struct hda_codec *codec, 649 const struct hda_pintbl *cfg) 650 { 651 for (; cfg->nid; cfg++) 652 snd_hda_codec_set_pincfg(codec, cfg->nid, cfg->val); 653 } 654 EXPORT_SYMBOL_HDA(snd_hda_apply_pincfgs); 655 656 void snd_hda_apply_fixup(struct hda_codec *codec, int action) 657 { 658 struct hda_gen_spec *spec = codec->spec; 659 int id = spec->fixup_id; 660 #ifdef CONFIG_SND_DEBUG_VERBOSE 661 const char *modelname = spec->fixup_name; 662 #endif 663 int depth = 0; 664 665 if (!spec->fixup_list) 666 return; 667 668 while (id >= 0) { 669 const struct hda_fixup *fix = spec->fixup_list + id; 670 671 switch (fix->type) { 672 case HDA_FIXUP_PINS: 673 if (action != HDA_FIXUP_ACT_PRE_PROBE || !fix->v.pins) 674 break; 675 snd_printdd(KERN_INFO SFX 676 "%s: Apply pincfg for %s\n", 677 codec->chip_name, modelname); 678 snd_hda_apply_pincfgs(codec, fix->v.pins); 679 break; 680 case HDA_FIXUP_VERBS: 681 if (action != HDA_FIXUP_ACT_PROBE || !fix->v.verbs) 682 break; 683 snd_printdd(KERN_INFO SFX 684 "%s: Apply fix-verbs for %s\n", 685 codec->chip_name, modelname); 686 snd_hda_gen_add_verbs(codec->spec, fix->v.verbs); 687 break; 688 case HDA_FIXUP_FUNC: 689 if (!fix->v.func) 690 break; 691 snd_printdd(KERN_INFO SFX 692 "%s: Apply fix-func for %s\n", 693 codec->chip_name, modelname); 694 fix->v.func(codec, fix, action); 695 break; 696 default: 697 snd_printk(KERN_ERR SFX 698 "%s: Invalid fixup type %d\n", 699 codec->chip_name, fix->type); 700 break; 701 } 702 if (!fix->chained) 703 break; 704 if (++depth > 10) 705 break; 706 id = fix->chain_id; 707 } 708 } 709 EXPORT_SYMBOL_HDA(snd_hda_apply_fixup); 710 711 void snd_hda_pick_fixup(struct hda_codec *codec, 712 const struct hda_model_fixup *models, 713 const struct snd_pci_quirk *quirk, 714 const struct hda_fixup *fixlist) 715 { 716 struct hda_gen_spec *spec = codec->spec; 717 const struct snd_pci_quirk *q; 718 int id = -1; 719 const char *name = NULL; 720 721 /* when model=nofixup is given, don't pick up any fixups */ 722 if (codec->modelname && !strcmp(codec->modelname, "nofixup")) { 723 spec->fixup_list = NULL; 724 spec->fixup_id = -1; 725 return; 726 } 727 728 if (codec->modelname && models) { 729 while (models->name) { 730 if (!strcmp(codec->modelname, models->name)) { 731 id = models->id; 732 name = models->name; 733 break; 734 } 735 models++; 736 } 737 } 738 if (id < 0 && quirk) { 739 q = snd_pci_quirk_lookup(codec->bus->pci, quirk); 740 if (q) { 741 id = q->value; 742 #ifdef CONFIG_SND_DEBUG_VERBOSE 743 name = q->name; 744 #endif 745 } 746 } 747 if (id < 0 && quirk) { 748 for (q = quirk; q->subvendor; q++) { 749 unsigned int vendorid = 750 q->subdevice | (q->subvendor << 16); 751 unsigned int mask = 0xffff0000 | q->subdevice_mask; 752 if ((codec->subsystem_id & mask) == (vendorid & mask)) { 753 id = q->value; 754 #ifdef CONFIG_SND_DEBUG_VERBOSE 755 name = q->name; 756 #endif 757 break; 758 } 759 } 760 } 761 762 spec->fixup_id = id; 763 if (id >= 0) { 764 spec->fixup_list = fixlist; 765 spec->fixup_name = name; 766 } 767 } 768 EXPORT_SYMBOL_HDA(snd_hda_pick_fixup); 769