1 /* 2 * Universal Interface for Intel High Definition Audio Codec 3 * 4 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de> 5 * 6 * 7 * This driver is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This driver is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 */ 21 22 #include <linux/init.h> 23 #include <linux/delay.h> 24 #include <linux/slab.h> 25 #include <linux/pci.h> 26 #include <linux/mutex.h> 27 #include <sound/core.h> 28 #include "hda_codec.h" 29 #include <sound/asoundef.h> 30 #include <sound/tlv.h> 31 #include <sound/initval.h> 32 #include "hda_local.h" 33 #include "hda_beep.h" 34 #include <sound/hda_hwdep.h> 35 36 /* 37 * vendor / preset table 38 */ 39 40 struct hda_vendor_id { 41 unsigned int id; 42 const char *name; 43 }; 44 45 /* codec vendor labels */ 46 static struct hda_vendor_id hda_vendor_ids[] = { 47 { 0x1002, "ATI" }, 48 { 0x1013, "Cirrus Logic" }, 49 { 0x1057, "Motorola" }, 50 { 0x1095, "Silicon Image" }, 51 { 0x10de, "Nvidia" }, 52 { 0x10ec, "Realtek" }, 53 { 0x1102, "Creative" }, 54 { 0x1106, "VIA" }, 55 { 0x111d, "IDT" }, 56 { 0x11c1, "LSI" }, 57 { 0x11d4, "Analog Devices" }, 58 { 0x13f6, "C-Media" }, 59 { 0x14f1, "Conexant" }, 60 { 0x17e8, "Chrontel" }, 61 { 0x1854, "LG" }, 62 { 0x1aec, "Wolfson Microelectronics" }, 63 { 0x434d, "C-Media" }, 64 { 0x8086, "Intel" }, 65 { 0x8384, "SigmaTel" }, 66 {} /* terminator */ 67 }; 68 69 static DEFINE_MUTEX(preset_mutex); 70 static LIST_HEAD(hda_preset_tables); 71 72 int snd_hda_add_codec_preset(struct hda_codec_preset_list *preset) 73 { 74 mutex_lock(&preset_mutex); 75 list_add_tail(&preset->list, &hda_preset_tables); 76 mutex_unlock(&preset_mutex); 77 return 0; 78 } 79 EXPORT_SYMBOL_HDA(snd_hda_add_codec_preset); 80 81 int snd_hda_delete_codec_preset(struct hda_codec_preset_list *preset) 82 { 83 mutex_lock(&preset_mutex); 84 list_del(&preset->list); 85 mutex_unlock(&preset_mutex); 86 return 0; 87 } 88 EXPORT_SYMBOL_HDA(snd_hda_delete_codec_preset); 89 90 #ifdef CONFIG_SND_HDA_POWER_SAVE 91 static void hda_power_work(struct work_struct *work); 92 static void hda_keep_power_on(struct hda_codec *codec); 93 #else 94 static inline void hda_keep_power_on(struct hda_codec *codec) {} 95 #endif 96 97 /** 98 * snd_hda_get_jack_location - Give a location string of the jack 99 * @cfg: pin default config value 100 * 101 * Parse the pin default config value and returns the string of the 102 * jack location, e.g. "Rear", "Front", etc. 103 */ 104 const char *snd_hda_get_jack_location(u32 cfg) 105 { 106 static char *bases[7] = { 107 "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom", 108 }; 109 static unsigned char specials_idx[] = { 110 0x07, 0x08, 111 0x17, 0x18, 0x19, 112 0x37, 0x38 113 }; 114 static char *specials[] = { 115 "Rear Panel", "Drive Bar", 116 "Riser", "HDMI", "ATAPI", 117 "Mobile-In", "Mobile-Out" 118 }; 119 int i; 120 cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT; 121 if ((cfg & 0x0f) < 7) 122 return bases[cfg & 0x0f]; 123 for (i = 0; i < ARRAY_SIZE(specials_idx); i++) { 124 if (cfg == specials_idx[i]) 125 return specials[i]; 126 } 127 return "UNKNOWN"; 128 } 129 EXPORT_SYMBOL_HDA(snd_hda_get_jack_location); 130 131 /** 132 * snd_hda_get_jack_connectivity - Give a connectivity string of the jack 133 * @cfg: pin default config value 134 * 135 * Parse the pin default config value and returns the string of the 136 * jack connectivity, i.e. external or internal connection. 137 */ 138 const char *snd_hda_get_jack_connectivity(u32 cfg) 139 { 140 static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" }; 141 142 return jack_locations[(cfg >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3]; 143 } 144 EXPORT_SYMBOL_HDA(snd_hda_get_jack_connectivity); 145 146 /** 147 * snd_hda_get_jack_type - Give a type string of the jack 148 * @cfg: pin default config value 149 * 150 * Parse the pin default config value and returns the string of the 151 * jack type, i.e. the purpose of the jack, such as Line-Out or CD. 152 */ 153 const char *snd_hda_get_jack_type(u32 cfg) 154 { 155 static char *jack_types[16] = { 156 "Line Out", "Speaker", "HP Out", "CD", 157 "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand", 158 "Line In", "Aux", "Mic", "Telephony", 159 "SPDIF In", "Digitial In", "Reserved", "Other" 160 }; 161 162 return jack_types[(cfg & AC_DEFCFG_DEVICE) 163 >> AC_DEFCFG_DEVICE_SHIFT]; 164 } 165 EXPORT_SYMBOL_HDA(snd_hda_get_jack_type); 166 167 /* 168 * Compose a 32bit command word to be sent to the HD-audio controller 169 */ 170 static inline unsigned int 171 make_codec_cmd(struct hda_codec *codec, hda_nid_t nid, int direct, 172 unsigned int verb, unsigned int parm) 173 { 174 u32 val; 175 176 if ((codec->addr & ~0xf) || (direct & ~1) || (nid & ~0x7f) || 177 (verb & ~0xfff) || (parm & ~0xffff)) { 178 printk(KERN_ERR "hda-codec: out of range cmd %x:%x:%x:%x:%x\n", 179 codec->addr, direct, nid, verb, parm); 180 return ~0; 181 } 182 183 val = (u32)codec->addr << 28; 184 val |= (u32)direct << 27; 185 val |= (u32)nid << 20; 186 val |= verb << 8; 187 val |= parm; 188 return val; 189 } 190 191 /* 192 * Send and receive a verb 193 */ 194 static int codec_exec_verb(struct hda_codec *codec, unsigned int cmd, 195 unsigned int *res) 196 { 197 struct hda_bus *bus = codec->bus; 198 int err; 199 200 if (cmd == ~0) 201 return -1; 202 203 if (res) 204 *res = -1; 205 again: 206 snd_hda_power_up(codec); 207 mutex_lock(&bus->cmd_mutex); 208 err = bus->ops.command(bus, cmd); 209 if (!err && res) 210 *res = bus->ops.get_response(bus, codec->addr); 211 mutex_unlock(&bus->cmd_mutex); 212 snd_hda_power_down(codec); 213 if (res && *res == -1 && bus->rirb_error) { 214 if (bus->response_reset) { 215 snd_printd("hda_codec: resetting BUS due to " 216 "fatal communication error\n"); 217 bus->ops.bus_reset(bus); 218 } 219 goto again; 220 } 221 /* clear reset-flag when the communication gets recovered */ 222 if (!err) 223 bus->response_reset = 0; 224 return err; 225 } 226 227 /** 228 * snd_hda_codec_read - send a command and get the response 229 * @codec: the HDA codec 230 * @nid: NID to send the command 231 * @direct: direct flag 232 * @verb: the verb to send 233 * @parm: the parameter for the verb 234 * 235 * Send a single command and read the corresponding response. 236 * 237 * Returns the obtained response value, or -1 for an error. 238 */ 239 unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, 240 int direct, 241 unsigned int verb, unsigned int parm) 242 { 243 unsigned cmd = make_codec_cmd(codec, nid, direct, verb, parm); 244 unsigned int res; 245 codec_exec_verb(codec, cmd, &res); 246 return res; 247 } 248 EXPORT_SYMBOL_HDA(snd_hda_codec_read); 249 250 /** 251 * snd_hda_codec_write - send a single command without waiting for response 252 * @codec: the HDA codec 253 * @nid: NID to send the command 254 * @direct: direct flag 255 * @verb: the verb to send 256 * @parm: the parameter for the verb 257 * 258 * Send a single command without waiting for response. 259 * 260 * Returns 0 if successful, or a negative error code. 261 */ 262 int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct, 263 unsigned int verb, unsigned int parm) 264 { 265 unsigned int cmd = make_codec_cmd(codec, nid, direct, verb, parm); 266 unsigned int res; 267 return codec_exec_verb(codec, cmd, 268 codec->bus->sync_write ? &res : NULL); 269 } 270 EXPORT_SYMBOL_HDA(snd_hda_codec_write); 271 272 /** 273 * snd_hda_sequence_write - sequence writes 274 * @codec: the HDA codec 275 * @seq: VERB array to send 276 * 277 * Send the commands sequentially from the given array. 278 * The array must be terminated with NID=0. 279 */ 280 void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq) 281 { 282 for (; seq->nid; seq++) 283 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param); 284 } 285 EXPORT_SYMBOL_HDA(snd_hda_sequence_write); 286 287 /** 288 * snd_hda_get_sub_nodes - get the range of sub nodes 289 * @codec: the HDA codec 290 * @nid: NID to parse 291 * @start_id: the pointer to store the start NID 292 * 293 * Parse the NID and store the start NID of its sub-nodes. 294 * Returns the number of sub-nodes. 295 */ 296 int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid, 297 hda_nid_t *start_id) 298 { 299 unsigned int parm; 300 301 parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT); 302 if (parm == -1) 303 return 0; 304 *start_id = (parm >> 16) & 0x7fff; 305 return (int)(parm & 0x7fff); 306 } 307 EXPORT_SYMBOL_HDA(snd_hda_get_sub_nodes); 308 309 /** 310 * snd_hda_get_connections - get connection list 311 * @codec: the HDA codec 312 * @nid: NID to parse 313 * @conn_list: connection list array 314 * @max_conns: max. number of connections to store 315 * 316 * Parses the connection list of the given widget and stores the list 317 * of NIDs. 318 * 319 * Returns the number of connections, or a negative error code. 320 */ 321 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid, 322 hda_nid_t *conn_list, int max_conns) 323 { 324 unsigned int parm; 325 int i, conn_len, conns; 326 unsigned int shift, num_elems, mask; 327 unsigned int wcaps; 328 hda_nid_t prev_nid; 329 330 if (snd_BUG_ON(!conn_list || max_conns <= 0)) 331 return -EINVAL; 332 333 wcaps = get_wcaps(codec, nid); 334 if (!(wcaps & AC_WCAP_CONN_LIST) && 335 get_wcaps_type(wcaps) != AC_WID_VOL_KNB) { 336 snd_printk(KERN_WARNING "hda_codec: " 337 "connection list not available for 0x%x\n", nid); 338 return -EINVAL; 339 } 340 341 parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN); 342 if (parm & AC_CLIST_LONG) { 343 /* long form */ 344 shift = 16; 345 num_elems = 2; 346 } else { 347 /* short form */ 348 shift = 8; 349 num_elems = 4; 350 } 351 conn_len = parm & AC_CLIST_LENGTH; 352 mask = (1 << (shift-1)) - 1; 353 354 if (!conn_len) 355 return 0; /* no connection */ 356 357 if (conn_len == 1) { 358 /* single connection */ 359 parm = snd_hda_codec_read(codec, nid, 0, 360 AC_VERB_GET_CONNECT_LIST, 0); 361 if (parm == -1 && codec->bus->rirb_error) 362 return -EIO; 363 conn_list[0] = parm & mask; 364 return 1; 365 } 366 367 /* multi connection */ 368 conns = 0; 369 prev_nid = 0; 370 for (i = 0; i < conn_len; i++) { 371 int range_val; 372 hda_nid_t val, n; 373 374 if (i % num_elems == 0) { 375 parm = snd_hda_codec_read(codec, nid, 0, 376 AC_VERB_GET_CONNECT_LIST, i); 377 if (parm == -1 && codec->bus->rirb_error) 378 return -EIO; 379 } 380 range_val = !!(parm & (1 << (shift-1))); /* ranges */ 381 val = parm & mask; 382 if (val == 0) { 383 snd_printk(KERN_WARNING "hda_codec: " 384 "invalid CONNECT_LIST verb %x[%i]:%x\n", 385 nid, i, parm); 386 return 0; 387 } 388 parm >>= shift; 389 if (range_val) { 390 /* ranges between the previous and this one */ 391 if (!prev_nid || prev_nid >= val) { 392 snd_printk(KERN_WARNING "hda_codec: " 393 "invalid dep_range_val %x:%x\n", 394 prev_nid, val); 395 continue; 396 } 397 for (n = prev_nid + 1; n <= val; n++) { 398 if (conns >= max_conns) { 399 snd_printk(KERN_ERR "hda_codec: " 400 "Too many connections %d for NID 0x%x\n", 401 conns, nid); 402 return -EINVAL; 403 } 404 conn_list[conns++] = n; 405 } 406 } else { 407 if (conns >= max_conns) { 408 snd_printk(KERN_ERR "hda_codec: " 409 "Too many connections %d for NID 0x%x\n", 410 conns, nid); 411 return -EINVAL; 412 } 413 conn_list[conns++] = val; 414 } 415 prev_nid = val; 416 } 417 return conns; 418 } 419 EXPORT_SYMBOL_HDA(snd_hda_get_connections); 420 421 422 /** 423 * snd_hda_queue_unsol_event - add an unsolicited event to queue 424 * @bus: the BUS 425 * @res: unsolicited event (lower 32bit of RIRB entry) 426 * @res_ex: codec addr and flags (upper 32bit or RIRB entry) 427 * 428 * Adds the given event to the queue. The events are processed in 429 * the workqueue asynchronously. Call this function in the interrupt 430 * hanlder when RIRB receives an unsolicited event. 431 * 432 * Returns 0 if successful, or a negative error code. 433 */ 434 int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex) 435 { 436 struct hda_bus_unsolicited *unsol; 437 unsigned int wp; 438 439 unsol = bus->unsol; 440 if (!unsol) 441 return 0; 442 443 wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE; 444 unsol->wp = wp; 445 446 wp <<= 1; 447 unsol->queue[wp] = res; 448 unsol->queue[wp + 1] = res_ex; 449 450 queue_work(bus->workq, &unsol->work); 451 452 return 0; 453 } 454 EXPORT_SYMBOL_HDA(snd_hda_queue_unsol_event); 455 456 /* 457 * process queued unsolicited events 458 */ 459 static void process_unsol_events(struct work_struct *work) 460 { 461 struct hda_bus_unsolicited *unsol = 462 container_of(work, struct hda_bus_unsolicited, work); 463 struct hda_bus *bus = unsol->bus; 464 struct hda_codec *codec; 465 unsigned int rp, caddr, res; 466 467 while (unsol->rp != unsol->wp) { 468 rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE; 469 unsol->rp = rp; 470 rp <<= 1; 471 res = unsol->queue[rp]; 472 caddr = unsol->queue[rp + 1]; 473 if (!(caddr & (1 << 4))) /* no unsolicited event? */ 474 continue; 475 codec = bus->caddr_tbl[caddr & 0x0f]; 476 if (codec && codec->patch_ops.unsol_event) 477 codec->patch_ops.unsol_event(codec, res); 478 } 479 } 480 481 /* 482 * initialize unsolicited queue 483 */ 484 static int init_unsol_queue(struct hda_bus *bus) 485 { 486 struct hda_bus_unsolicited *unsol; 487 488 if (bus->unsol) /* already initialized */ 489 return 0; 490 491 unsol = kzalloc(sizeof(*unsol), GFP_KERNEL); 492 if (!unsol) { 493 snd_printk(KERN_ERR "hda_codec: " 494 "can't allocate unsolicited queue\n"); 495 return -ENOMEM; 496 } 497 INIT_WORK(&unsol->work, process_unsol_events); 498 unsol->bus = bus; 499 bus->unsol = unsol; 500 return 0; 501 } 502 503 /* 504 * destructor 505 */ 506 static void snd_hda_codec_free(struct hda_codec *codec); 507 508 static int snd_hda_bus_free(struct hda_bus *bus) 509 { 510 struct hda_codec *codec, *n; 511 512 if (!bus) 513 return 0; 514 if (bus->workq) 515 flush_workqueue(bus->workq); 516 if (bus->unsol) 517 kfree(bus->unsol); 518 list_for_each_entry_safe(codec, n, &bus->codec_list, list) { 519 snd_hda_codec_free(codec); 520 } 521 if (bus->ops.private_free) 522 bus->ops.private_free(bus); 523 if (bus->workq) 524 destroy_workqueue(bus->workq); 525 kfree(bus); 526 return 0; 527 } 528 529 static int snd_hda_bus_dev_free(struct snd_device *device) 530 { 531 struct hda_bus *bus = device->device_data; 532 bus->shutdown = 1; 533 return snd_hda_bus_free(bus); 534 } 535 536 #ifdef CONFIG_SND_HDA_HWDEP 537 static int snd_hda_bus_dev_register(struct snd_device *device) 538 { 539 struct hda_bus *bus = device->device_data; 540 struct hda_codec *codec; 541 list_for_each_entry(codec, &bus->codec_list, list) { 542 snd_hda_hwdep_add_sysfs(codec); 543 snd_hda_hwdep_add_power_sysfs(codec); 544 } 545 return 0; 546 } 547 #else 548 #define snd_hda_bus_dev_register NULL 549 #endif 550 551 /** 552 * snd_hda_bus_new - create a HDA bus 553 * @card: the card entry 554 * @temp: the template for hda_bus information 555 * @busp: the pointer to store the created bus instance 556 * 557 * Returns 0 if successful, or a negative error code. 558 */ 559 int /*__devinit*/ snd_hda_bus_new(struct snd_card *card, 560 const struct hda_bus_template *temp, 561 struct hda_bus **busp) 562 { 563 struct hda_bus *bus; 564 int err; 565 static struct snd_device_ops dev_ops = { 566 .dev_register = snd_hda_bus_dev_register, 567 .dev_free = snd_hda_bus_dev_free, 568 }; 569 570 if (snd_BUG_ON(!temp)) 571 return -EINVAL; 572 if (snd_BUG_ON(!temp->ops.command || !temp->ops.get_response)) 573 return -EINVAL; 574 575 if (busp) 576 *busp = NULL; 577 578 bus = kzalloc(sizeof(*bus), GFP_KERNEL); 579 if (bus == NULL) { 580 snd_printk(KERN_ERR "can't allocate struct hda_bus\n"); 581 return -ENOMEM; 582 } 583 584 bus->card = card; 585 bus->private_data = temp->private_data; 586 bus->pci = temp->pci; 587 bus->modelname = temp->modelname; 588 bus->power_save = temp->power_save; 589 bus->ops = temp->ops; 590 591 mutex_init(&bus->cmd_mutex); 592 INIT_LIST_HEAD(&bus->codec_list); 593 594 snprintf(bus->workq_name, sizeof(bus->workq_name), 595 "hd-audio%d", card->number); 596 bus->workq = create_singlethread_workqueue(bus->workq_name); 597 if (!bus->workq) { 598 snd_printk(KERN_ERR "cannot create workqueue %s\n", 599 bus->workq_name); 600 kfree(bus); 601 return -ENOMEM; 602 } 603 604 err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops); 605 if (err < 0) { 606 snd_hda_bus_free(bus); 607 return err; 608 } 609 if (busp) 610 *busp = bus; 611 return 0; 612 } 613 EXPORT_SYMBOL_HDA(snd_hda_bus_new); 614 615 #ifdef CONFIG_SND_HDA_GENERIC 616 #define is_generic_config(codec) \ 617 (codec->modelname && !strcmp(codec->modelname, "generic")) 618 #else 619 #define is_generic_config(codec) 0 620 #endif 621 622 #ifdef MODULE 623 #define HDA_MODREQ_MAX_COUNT 2 /* two request_modules()'s */ 624 #else 625 #define HDA_MODREQ_MAX_COUNT 0 /* all presets are statically linked */ 626 #endif 627 628 /* 629 * find a matching codec preset 630 */ 631 static const struct hda_codec_preset * 632 find_codec_preset(struct hda_codec *codec) 633 { 634 struct hda_codec_preset_list *tbl; 635 const struct hda_codec_preset *preset; 636 int mod_requested = 0; 637 638 if (is_generic_config(codec)) 639 return NULL; /* use the generic parser */ 640 641 again: 642 mutex_lock(&preset_mutex); 643 list_for_each_entry(tbl, &hda_preset_tables, list) { 644 if (!try_module_get(tbl->owner)) { 645 snd_printk(KERN_ERR "hda_codec: cannot module_get\n"); 646 continue; 647 } 648 for (preset = tbl->preset; preset->id; preset++) { 649 u32 mask = preset->mask; 650 if (preset->afg && preset->afg != codec->afg) 651 continue; 652 if (preset->mfg && preset->mfg != codec->mfg) 653 continue; 654 if (!mask) 655 mask = ~0; 656 if (preset->id == (codec->vendor_id & mask) && 657 (!preset->rev || 658 preset->rev == codec->revision_id)) { 659 mutex_unlock(&preset_mutex); 660 codec->owner = tbl->owner; 661 return preset; 662 } 663 } 664 module_put(tbl->owner); 665 } 666 mutex_unlock(&preset_mutex); 667 668 if (mod_requested < HDA_MODREQ_MAX_COUNT) { 669 char name[32]; 670 if (!mod_requested) 671 snprintf(name, sizeof(name), "snd-hda-codec-id:%08x", 672 codec->vendor_id); 673 else 674 snprintf(name, sizeof(name), "snd-hda-codec-id:%04x*", 675 (codec->vendor_id >> 16) & 0xffff); 676 request_module(name); 677 mod_requested++; 678 goto again; 679 } 680 return NULL; 681 } 682 683 /* 684 * get_codec_name - store the codec name 685 */ 686 static int get_codec_name(struct hda_codec *codec) 687 { 688 const struct hda_vendor_id *c; 689 const char *vendor = NULL; 690 u16 vendor_id = codec->vendor_id >> 16; 691 char tmp[16]; 692 693 if (codec->vendor_name) 694 goto get_chip_name; 695 696 for (c = hda_vendor_ids; c->id; c++) { 697 if (c->id == vendor_id) { 698 vendor = c->name; 699 break; 700 } 701 } 702 if (!vendor) { 703 sprintf(tmp, "Generic %04x", vendor_id); 704 vendor = tmp; 705 } 706 codec->vendor_name = kstrdup(vendor, GFP_KERNEL); 707 if (!codec->vendor_name) 708 return -ENOMEM; 709 710 get_chip_name: 711 if (codec->chip_name) 712 return 0; 713 714 if (codec->preset && codec->preset->name) 715 codec->chip_name = kstrdup(codec->preset->name, GFP_KERNEL); 716 else { 717 sprintf(tmp, "ID %x", codec->vendor_id & 0xffff); 718 codec->chip_name = kstrdup(tmp, GFP_KERNEL); 719 } 720 if (!codec->chip_name) 721 return -ENOMEM; 722 return 0; 723 } 724 725 /* 726 * look for an AFG and MFG nodes 727 */ 728 static void /*__devinit*/ setup_fg_nodes(struct hda_codec *codec) 729 { 730 int i, total_nodes, function_id; 731 hda_nid_t nid; 732 733 total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid); 734 for (i = 0; i < total_nodes; i++, nid++) { 735 function_id = snd_hda_param_read(codec, nid, 736 AC_PAR_FUNCTION_TYPE); 737 switch (function_id & 0xff) { 738 case AC_GRP_AUDIO_FUNCTION: 739 codec->afg = nid; 740 codec->afg_function_id = function_id & 0xff; 741 codec->afg_unsol = (function_id >> 8) & 1; 742 break; 743 case AC_GRP_MODEM_FUNCTION: 744 codec->mfg = nid; 745 codec->mfg_function_id = function_id & 0xff; 746 codec->mfg_unsol = (function_id >> 8) & 1; 747 break; 748 default: 749 break; 750 } 751 } 752 } 753 754 /* 755 * read widget caps for each widget and store in cache 756 */ 757 static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node) 758 { 759 int i; 760 hda_nid_t nid; 761 762 codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node, 763 &codec->start_nid); 764 codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL); 765 if (!codec->wcaps) 766 return -ENOMEM; 767 nid = codec->start_nid; 768 for (i = 0; i < codec->num_nodes; i++, nid++) 769 codec->wcaps[i] = snd_hda_param_read(codec, nid, 770 AC_PAR_AUDIO_WIDGET_CAP); 771 return 0; 772 } 773 774 /* read all pin default configurations and save codec->init_pins */ 775 static int read_pin_defaults(struct hda_codec *codec) 776 { 777 int i; 778 hda_nid_t nid = codec->start_nid; 779 780 for (i = 0; i < codec->num_nodes; i++, nid++) { 781 struct hda_pincfg *pin; 782 unsigned int wcaps = get_wcaps(codec, nid); 783 unsigned int wid_type = get_wcaps_type(wcaps); 784 if (wid_type != AC_WID_PIN) 785 continue; 786 pin = snd_array_new(&codec->init_pins); 787 if (!pin) 788 return -ENOMEM; 789 pin->nid = nid; 790 pin->cfg = snd_hda_codec_read(codec, nid, 0, 791 AC_VERB_GET_CONFIG_DEFAULT, 0); 792 pin->ctrl = snd_hda_codec_read(codec, nid, 0, 793 AC_VERB_GET_PIN_WIDGET_CONTROL, 794 0); 795 } 796 return 0; 797 } 798 799 /* look up the given pin config list and return the item matching with NID */ 800 static struct hda_pincfg *look_up_pincfg(struct hda_codec *codec, 801 struct snd_array *array, 802 hda_nid_t nid) 803 { 804 int i; 805 for (i = 0; i < array->used; i++) { 806 struct hda_pincfg *pin = snd_array_elem(array, i); 807 if (pin->nid == nid) 808 return pin; 809 } 810 return NULL; 811 } 812 813 /* write a config value for the given NID */ 814 static void set_pincfg(struct hda_codec *codec, hda_nid_t nid, 815 unsigned int cfg) 816 { 817 int i; 818 for (i = 0; i < 4; i++) { 819 snd_hda_codec_write(codec, nid, 0, 820 AC_VERB_SET_CONFIG_DEFAULT_BYTES_0 + i, 821 cfg & 0xff); 822 cfg >>= 8; 823 } 824 } 825 826 /* set the current pin config value for the given NID. 827 * the value is cached, and read via snd_hda_codec_get_pincfg() 828 */ 829 int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list, 830 hda_nid_t nid, unsigned int cfg) 831 { 832 struct hda_pincfg *pin; 833 unsigned int oldcfg; 834 835 if (get_wcaps_type(get_wcaps(codec, nid)) != AC_WID_PIN) 836 return -EINVAL; 837 838 oldcfg = snd_hda_codec_get_pincfg(codec, nid); 839 pin = look_up_pincfg(codec, list, nid); 840 if (!pin) { 841 pin = snd_array_new(list); 842 if (!pin) 843 return -ENOMEM; 844 pin->nid = nid; 845 } 846 pin->cfg = cfg; 847 848 /* change only when needed; e.g. if the pincfg is already present 849 * in user_pins[], don't write it 850 */ 851 cfg = snd_hda_codec_get_pincfg(codec, nid); 852 if (oldcfg != cfg) 853 set_pincfg(codec, nid, cfg); 854 return 0; 855 } 856 857 /** 858 * snd_hda_codec_set_pincfg - Override a pin default configuration 859 * @codec: the HDA codec 860 * @nid: NID to set the pin config 861 * @cfg: the pin default config value 862 * 863 * Override a pin default configuration value in the cache. 864 * This value can be read by snd_hda_codec_get_pincfg() in a higher 865 * priority than the real hardware value. 866 */ 867 int snd_hda_codec_set_pincfg(struct hda_codec *codec, 868 hda_nid_t nid, unsigned int cfg) 869 { 870 return snd_hda_add_pincfg(codec, &codec->driver_pins, nid, cfg); 871 } 872 EXPORT_SYMBOL_HDA(snd_hda_codec_set_pincfg); 873 874 /** 875 * snd_hda_codec_get_pincfg - Obtain a pin-default configuration 876 * @codec: the HDA codec 877 * @nid: NID to get the pin config 878 * 879 * Get the current pin config value of the given pin NID. 880 * If the pincfg value is cached or overridden via sysfs or driver, 881 * returns the cached value. 882 */ 883 unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid) 884 { 885 struct hda_pincfg *pin; 886 887 #ifdef CONFIG_SND_HDA_HWDEP 888 pin = look_up_pincfg(codec, &codec->user_pins, nid); 889 if (pin) 890 return pin->cfg; 891 #endif 892 pin = look_up_pincfg(codec, &codec->driver_pins, nid); 893 if (pin) 894 return pin->cfg; 895 pin = look_up_pincfg(codec, &codec->init_pins, nid); 896 if (pin) 897 return pin->cfg; 898 return 0; 899 } 900 EXPORT_SYMBOL_HDA(snd_hda_codec_get_pincfg); 901 902 /* restore all current pin configs */ 903 static void restore_pincfgs(struct hda_codec *codec) 904 { 905 int i; 906 for (i = 0; i < codec->init_pins.used; i++) { 907 struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i); 908 set_pincfg(codec, pin->nid, 909 snd_hda_codec_get_pincfg(codec, pin->nid)); 910 } 911 } 912 913 /** 914 * snd_hda_shutup_pins - Shut up all pins 915 * @codec: the HDA codec 916 * 917 * Clear all pin controls to shup up before suspend for avoiding click noise. 918 * The controls aren't cached so that they can be resumed properly. 919 */ 920 void snd_hda_shutup_pins(struct hda_codec *codec) 921 { 922 int i; 923 /* don't shut up pins when unloading the driver; otherwise it breaks 924 * the default pin setup at the next load of the driver 925 */ 926 if (codec->bus->shutdown) 927 return; 928 for (i = 0; i < codec->init_pins.used; i++) { 929 struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i); 930 /* use read here for syncing after issuing each verb */ 931 snd_hda_codec_read(codec, pin->nid, 0, 932 AC_VERB_SET_PIN_WIDGET_CONTROL, 0); 933 } 934 codec->pins_shutup = 1; 935 } 936 EXPORT_SYMBOL_HDA(snd_hda_shutup_pins); 937 938 /* Restore the pin controls cleared previously via snd_hda_shutup_pins() */ 939 static void restore_shutup_pins(struct hda_codec *codec) 940 { 941 int i; 942 if (!codec->pins_shutup) 943 return; 944 if (codec->bus->shutdown) 945 return; 946 for (i = 0; i < codec->init_pins.used; i++) { 947 struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i); 948 snd_hda_codec_write(codec, pin->nid, 0, 949 AC_VERB_SET_PIN_WIDGET_CONTROL, 950 pin->ctrl); 951 } 952 codec->pins_shutup = 0; 953 } 954 955 static void init_hda_cache(struct hda_cache_rec *cache, 956 unsigned int record_size); 957 static void free_hda_cache(struct hda_cache_rec *cache); 958 959 /* restore the initial pin cfgs and release all pincfg lists */ 960 static void restore_init_pincfgs(struct hda_codec *codec) 961 { 962 /* first free driver_pins and user_pins, then call restore_pincfg 963 * so that only the values in init_pins are restored 964 */ 965 snd_array_free(&codec->driver_pins); 966 #ifdef CONFIG_SND_HDA_HWDEP 967 snd_array_free(&codec->user_pins); 968 #endif 969 restore_pincfgs(codec); 970 snd_array_free(&codec->init_pins); 971 } 972 973 /* 974 * audio-converter setup caches 975 */ 976 struct hda_cvt_setup { 977 hda_nid_t nid; 978 u8 stream_tag; 979 u8 channel_id; 980 u16 format_id; 981 unsigned char active; /* cvt is currently used */ 982 unsigned char dirty; /* setups should be cleared */ 983 }; 984 985 /* get or create a cache entry for the given audio converter NID */ 986 static struct hda_cvt_setup * 987 get_hda_cvt_setup(struct hda_codec *codec, hda_nid_t nid) 988 { 989 struct hda_cvt_setup *p; 990 int i; 991 992 for (i = 0; i < codec->cvt_setups.used; i++) { 993 p = snd_array_elem(&codec->cvt_setups, i); 994 if (p->nid == nid) 995 return p; 996 } 997 p = snd_array_new(&codec->cvt_setups); 998 if (p) 999 p->nid = nid; 1000 return p; 1001 } 1002 1003 /* 1004 * codec destructor 1005 */ 1006 static void snd_hda_codec_free(struct hda_codec *codec) 1007 { 1008 if (!codec) 1009 return; 1010 restore_init_pincfgs(codec); 1011 #ifdef CONFIG_SND_HDA_POWER_SAVE 1012 cancel_delayed_work(&codec->power_work); 1013 flush_workqueue(codec->bus->workq); 1014 #endif 1015 list_del(&codec->list); 1016 snd_array_free(&codec->mixers); 1017 snd_array_free(&codec->nids); 1018 codec->bus->caddr_tbl[codec->addr] = NULL; 1019 if (codec->patch_ops.free) 1020 codec->patch_ops.free(codec); 1021 module_put(codec->owner); 1022 free_hda_cache(&codec->amp_cache); 1023 free_hda_cache(&codec->cmd_cache); 1024 kfree(codec->vendor_name); 1025 kfree(codec->chip_name); 1026 kfree(codec->modelname); 1027 kfree(codec->wcaps); 1028 kfree(codec); 1029 } 1030 1031 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg, 1032 unsigned int power_state); 1033 1034 /** 1035 * snd_hda_codec_new - create a HDA codec 1036 * @bus: the bus to assign 1037 * @codec_addr: the codec address 1038 * @codecp: the pointer to store the generated codec 1039 * 1040 * Returns 0 if successful, or a negative error code. 1041 */ 1042 int /*__devinit*/ snd_hda_codec_new(struct hda_bus *bus, 1043 unsigned int codec_addr, 1044 struct hda_codec **codecp) 1045 { 1046 struct hda_codec *codec; 1047 char component[31]; 1048 int err; 1049 1050 if (snd_BUG_ON(!bus)) 1051 return -EINVAL; 1052 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS)) 1053 return -EINVAL; 1054 1055 if (bus->caddr_tbl[codec_addr]) { 1056 snd_printk(KERN_ERR "hda_codec: " 1057 "address 0x%x is already occupied\n", codec_addr); 1058 return -EBUSY; 1059 } 1060 1061 codec = kzalloc(sizeof(*codec), GFP_KERNEL); 1062 if (codec == NULL) { 1063 snd_printk(KERN_ERR "can't allocate struct hda_codec\n"); 1064 return -ENOMEM; 1065 } 1066 1067 codec->bus = bus; 1068 codec->addr = codec_addr; 1069 mutex_init(&codec->spdif_mutex); 1070 mutex_init(&codec->control_mutex); 1071 mutex_init(&codec->prepare_mutex); 1072 init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info)); 1073 init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head)); 1074 snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 32); 1075 snd_array_init(&codec->nids, sizeof(struct hda_nid_item), 32); 1076 snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16); 1077 snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16); 1078 snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8); 1079 if (codec->bus->modelname) { 1080 codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL); 1081 if (!codec->modelname) { 1082 snd_hda_codec_free(codec); 1083 return -ENODEV; 1084 } 1085 } 1086 1087 #ifdef CONFIG_SND_HDA_POWER_SAVE 1088 INIT_DELAYED_WORK(&codec->power_work, hda_power_work); 1089 /* snd_hda_codec_new() marks the codec as power-up, and leave it as is. 1090 * the caller has to power down appropriatley after initialization 1091 * phase. 1092 */ 1093 hda_keep_power_on(codec); 1094 #endif 1095 1096 list_add_tail(&codec->list, &bus->codec_list); 1097 bus->caddr_tbl[codec_addr] = codec; 1098 1099 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT, 1100 AC_PAR_VENDOR_ID); 1101 if (codec->vendor_id == -1) 1102 /* read again, hopefully the access method was corrected 1103 * in the last read... 1104 */ 1105 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT, 1106 AC_PAR_VENDOR_ID); 1107 codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT, 1108 AC_PAR_SUBSYSTEM_ID); 1109 codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT, 1110 AC_PAR_REV_ID); 1111 1112 setup_fg_nodes(codec); 1113 if (!codec->afg && !codec->mfg) { 1114 snd_printdd("hda_codec: no AFG or MFG node found\n"); 1115 err = -ENODEV; 1116 goto error; 1117 } 1118 1119 err = read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg); 1120 if (err < 0) { 1121 snd_printk(KERN_ERR "hda_codec: cannot malloc\n"); 1122 goto error; 1123 } 1124 err = read_pin_defaults(codec); 1125 if (err < 0) 1126 goto error; 1127 1128 if (!codec->subsystem_id) { 1129 hda_nid_t nid = codec->afg ? codec->afg : codec->mfg; 1130 codec->subsystem_id = 1131 snd_hda_codec_read(codec, nid, 0, 1132 AC_VERB_GET_SUBSYSTEM_ID, 0); 1133 } 1134 1135 /* power-up all before initialization */ 1136 hda_set_power_state(codec, 1137 codec->afg ? codec->afg : codec->mfg, 1138 AC_PWRST_D0); 1139 1140 snd_hda_codec_proc_new(codec); 1141 1142 snd_hda_create_hwdep(codec); 1143 1144 sprintf(component, "HDA:%08x,%08x,%08x", codec->vendor_id, 1145 codec->subsystem_id, codec->revision_id); 1146 snd_component_add(codec->bus->card, component); 1147 1148 if (codecp) 1149 *codecp = codec; 1150 return 0; 1151 1152 error: 1153 snd_hda_codec_free(codec); 1154 return err; 1155 } 1156 EXPORT_SYMBOL_HDA(snd_hda_codec_new); 1157 1158 /** 1159 * snd_hda_codec_configure - (Re-)configure the HD-audio codec 1160 * @codec: the HDA codec 1161 * 1162 * Start parsing of the given codec tree and (re-)initialize the whole 1163 * patch instance. 1164 * 1165 * Returns 0 if successful or a negative error code. 1166 */ 1167 int snd_hda_codec_configure(struct hda_codec *codec) 1168 { 1169 int err; 1170 1171 codec->preset = find_codec_preset(codec); 1172 if (!codec->vendor_name || !codec->chip_name) { 1173 err = get_codec_name(codec); 1174 if (err < 0) 1175 return err; 1176 } 1177 1178 if (is_generic_config(codec)) { 1179 err = snd_hda_parse_generic_codec(codec); 1180 goto patched; 1181 } 1182 if (codec->preset && codec->preset->patch) { 1183 err = codec->preset->patch(codec); 1184 goto patched; 1185 } 1186 1187 /* call the default parser */ 1188 err = snd_hda_parse_generic_codec(codec); 1189 if (err < 0) 1190 printk(KERN_ERR "hda-codec: No codec parser is available\n"); 1191 1192 patched: 1193 if (!err && codec->patch_ops.unsol_event) 1194 err = init_unsol_queue(codec->bus); 1195 /* audio codec should override the mixer name */ 1196 if (!err && (codec->afg || !*codec->bus->card->mixername)) 1197 snprintf(codec->bus->card->mixername, 1198 sizeof(codec->bus->card->mixername), 1199 "%s %s", codec->vendor_name, codec->chip_name); 1200 return err; 1201 } 1202 EXPORT_SYMBOL_HDA(snd_hda_codec_configure); 1203 1204 /** 1205 * snd_hda_codec_setup_stream - set up the codec for streaming 1206 * @codec: the CODEC to set up 1207 * @nid: the NID to set up 1208 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf. 1209 * @channel_id: channel id to pass, zero based. 1210 * @format: stream format. 1211 */ 1212 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, 1213 u32 stream_tag, 1214 int channel_id, int format) 1215 { 1216 struct hda_cvt_setup *p; 1217 unsigned int oldval, newval; 1218 int i; 1219 1220 if (!nid) 1221 return; 1222 1223 snd_printdd("hda_codec_setup_stream: " 1224 "NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n", 1225 nid, stream_tag, channel_id, format); 1226 p = get_hda_cvt_setup(codec, nid); 1227 if (!p) 1228 return; 1229 /* update the stream-id if changed */ 1230 if (p->stream_tag != stream_tag || p->channel_id != channel_id) { 1231 oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0); 1232 newval = (stream_tag << 4) | channel_id; 1233 if (oldval != newval) 1234 snd_hda_codec_write(codec, nid, 0, 1235 AC_VERB_SET_CHANNEL_STREAMID, 1236 newval); 1237 p->stream_tag = stream_tag; 1238 p->channel_id = channel_id; 1239 } 1240 /* update the format-id if changed */ 1241 if (p->format_id != format) { 1242 oldval = snd_hda_codec_read(codec, nid, 0, 1243 AC_VERB_GET_STREAM_FORMAT, 0); 1244 if (oldval != format) { 1245 msleep(1); 1246 snd_hda_codec_write(codec, nid, 0, 1247 AC_VERB_SET_STREAM_FORMAT, 1248 format); 1249 } 1250 p->format_id = format; 1251 } 1252 p->active = 1; 1253 p->dirty = 0; 1254 1255 /* make other inactive cvts with the same stream-tag dirty */ 1256 for (i = 0; i < codec->cvt_setups.used; i++) { 1257 p = snd_array_elem(&codec->cvt_setups, i); 1258 if (!p->active && p->stream_tag == stream_tag) 1259 p->dirty = 1; 1260 } 1261 } 1262 EXPORT_SYMBOL_HDA(snd_hda_codec_setup_stream); 1263 1264 static void really_cleanup_stream(struct hda_codec *codec, 1265 struct hda_cvt_setup *q); 1266 1267 /** 1268 * __snd_hda_codec_cleanup_stream - clean up the codec for closing 1269 * @codec: the CODEC to clean up 1270 * @nid: the NID to clean up 1271 * @do_now: really clean up the stream instead of clearing the active flag 1272 */ 1273 void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid, 1274 int do_now) 1275 { 1276 struct hda_cvt_setup *p; 1277 1278 if (!nid) 1279 return; 1280 1281 snd_printdd("hda_codec_cleanup_stream: NID=0x%x\n", nid); 1282 p = get_hda_cvt_setup(codec, nid); 1283 if (p) { 1284 /* here we just clear the active flag when do_now isn't set; 1285 * actual clean-ups will be done later in 1286 * purify_inactive_streams() called from snd_hda_codec_prpapre() 1287 */ 1288 if (do_now) 1289 really_cleanup_stream(codec, p); 1290 else 1291 p->active = 0; 1292 } 1293 } 1294 EXPORT_SYMBOL_HDA(__snd_hda_codec_cleanup_stream); 1295 1296 static void really_cleanup_stream(struct hda_codec *codec, 1297 struct hda_cvt_setup *q) 1298 { 1299 hda_nid_t nid = q->nid; 1300 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0); 1301 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0); 1302 memset(q, 0, sizeof(*q)); 1303 q->nid = nid; 1304 } 1305 1306 /* clean up the all conflicting obsolete streams */ 1307 static void purify_inactive_streams(struct hda_codec *codec) 1308 { 1309 int i; 1310 1311 for (i = 0; i < codec->cvt_setups.used; i++) { 1312 struct hda_cvt_setup *p = snd_array_elem(&codec->cvt_setups, i); 1313 if (p->dirty) 1314 really_cleanup_stream(codec, p); 1315 } 1316 } 1317 1318 /* clean up all streams; called from suspend */ 1319 static void hda_cleanup_all_streams(struct hda_codec *codec) 1320 { 1321 int i; 1322 1323 for (i = 0; i < codec->cvt_setups.used; i++) { 1324 struct hda_cvt_setup *p = snd_array_elem(&codec->cvt_setups, i); 1325 if (p->stream_tag) 1326 really_cleanup_stream(codec, p); 1327 } 1328 } 1329 1330 /* 1331 * amp access functions 1332 */ 1333 1334 /* FIXME: more better hash key? */ 1335 #define HDA_HASH_KEY(nid, dir, idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24)) 1336 #define HDA_HASH_PINCAP_KEY(nid) (u32)((nid) + (0x02 << 24)) 1337 #define HDA_HASH_PARPCM_KEY(nid) (u32)((nid) + (0x03 << 24)) 1338 #define HDA_HASH_PARSTR_KEY(nid) (u32)((nid) + (0x04 << 24)) 1339 #define INFO_AMP_CAPS (1<<0) 1340 #define INFO_AMP_VOL(ch) (1 << (1 + (ch))) 1341 1342 /* initialize the hash table */ 1343 static void /*__devinit*/ init_hda_cache(struct hda_cache_rec *cache, 1344 unsigned int record_size) 1345 { 1346 memset(cache, 0, sizeof(*cache)); 1347 memset(cache->hash, 0xff, sizeof(cache->hash)); 1348 snd_array_init(&cache->buf, record_size, 64); 1349 } 1350 1351 static void free_hda_cache(struct hda_cache_rec *cache) 1352 { 1353 snd_array_free(&cache->buf); 1354 } 1355 1356 /* query the hash. allocate an entry if not found. */ 1357 static struct hda_cache_head *get_hash(struct hda_cache_rec *cache, u32 key) 1358 { 1359 u16 idx = key % (u16)ARRAY_SIZE(cache->hash); 1360 u16 cur = cache->hash[idx]; 1361 struct hda_cache_head *info; 1362 1363 while (cur != 0xffff) { 1364 info = snd_array_elem(&cache->buf, cur); 1365 if (info->key == key) 1366 return info; 1367 cur = info->next; 1368 } 1369 return NULL; 1370 } 1371 1372 /* query the hash. allocate an entry if not found. */ 1373 static struct hda_cache_head *get_alloc_hash(struct hda_cache_rec *cache, 1374 u32 key) 1375 { 1376 struct hda_cache_head *info = get_hash(cache, key); 1377 if (!info) { 1378 u16 idx, cur; 1379 /* add a new hash entry */ 1380 info = snd_array_new(&cache->buf); 1381 if (!info) 1382 return NULL; 1383 cur = snd_array_index(&cache->buf, info); 1384 info->key = key; 1385 info->val = 0; 1386 idx = key % (u16)ARRAY_SIZE(cache->hash); 1387 info->next = cache->hash[idx]; 1388 cache->hash[idx] = cur; 1389 } 1390 return info; 1391 } 1392 1393 /* query and allocate an amp hash entry */ 1394 static inline struct hda_amp_info * 1395 get_alloc_amp_hash(struct hda_codec *codec, u32 key) 1396 { 1397 return (struct hda_amp_info *)get_alloc_hash(&codec->amp_cache, key); 1398 } 1399 1400 /** 1401 * query_amp_caps - query AMP capabilities 1402 * @codec: the HD-auio codec 1403 * @nid: the NID to query 1404 * @direction: either #HDA_INPUT or #HDA_OUTPUT 1405 * 1406 * Query AMP capabilities for the given widget and direction. 1407 * Returns the obtained capability bits. 1408 * 1409 * When cap bits have been already read, this doesn't read again but 1410 * returns the cached value. 1411 */ 1412 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction) 1413 { 1414 struct hda_amp_info *info; 1415 1416 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0)); 1417 if (!info) 1418 return 0; 1419 if (!(info->head.val & INFO_AMP_CAPS)) { 1420 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD)) 1421 nid = codec->afg; 1422 info->amp_caps = snd_hda_param_read(codec, nid, 1423 direction == HDA_OUTPUT ? 1424 AC_PAR_AMP_OUT_CAP : 1425 AC_PAR_AMP_IN_CAP); 1426 if (info->amp_caps) 1427 info->head.val |= INFO_AMP_CAPS; 1428 } 1429 return info->amp_caps; 1430 } 1431 EXPORT_SYMBOL_HDA(query_amp_caps); 1432 1433 /** 1434 * snd_hda_override_amp_caps - Override the AMP capabilities 1435 * @codec: the CODEC to clean up 1436 * @nid: the NID to clean up 1437 * @direction: either #HDA_INPUT or #HDA_OUTPUT 1438 * @caps: the capability bits to set 1439 * 1440 * Override the cached AMP caps bits value by the given one. 1441 * This function is useful if the driver needs to adjust the AMP ranges, 1442 * e.g. limit to 0dB, etc. 1443 * 1444 * Returns zero if successful or a negative error code. 1445 */ 1446 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir, 1447 unsigned int caps) 1448 { 1449 struct hda_amp_info *info; 1450 1451 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, dir, 0)); 1452 if (!info) 1453 return -EINVAL; 1454 info->amp_caps = caps; 1455 info->head.val |= INFO_AMP_CAPS; 1456 return 0; 1457 } 1458 EXPORT_SYMBOL_HDA(snd_hda_override_amp_caps); 1459 1460 static unsigned int 1461 query_caps_hash(struct hda_codec *codec, hda_nid_t nid, u32 key, 1462 unsigned int (*func)(struct hda_codec *, hda_nid_t)) 1463 { 1464 struct hda_amp_info *info; 1465 1466 info = get_alloc_amp_hash(codec, key); 1467 if (!info) 1468 return 0; 1469 if (!info->head.val) { 1470 info->head.val |= INFO_AMP_CAPS; 1471 info->amp_caps = func(codec, nid); 1472 } 1473 return info->amp_caps; 1474 } 1475 1476 static unsigned int read_pin_cap(struct hda_codec *codec, hda_nid_t nid) 1477 { 1478 return snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP); 1479 } 1480 1481 /** 1482 * snd_hda_query_pin_caps - Query PIN capabilities 1483 * @codec: the HD-auio codec 1484 * @nid: the NID to query 1485 * 1486 * Query PIN capabilities for the given widget. 1487 * Returns the obtained capability bits. 1488 * 1489 * When cap bits have been already read, this doesn't read again but 1490 * returns the cached value. 1491 */ 1492 u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid) 1493 { 1494 return query_caps_hash(codec, nid, HDA_HASH_PINCAP_KEY(nid), 1495 read_pin_cap); 1496 } 1497 EXPORT_SYMBOL_HDA(snd_hda_query_pin_caps); 1498 1499 /** 1500 * snd_hda_pin_sense - execute pin sense measurement 1501 * @codec: the CODEC to sense 1502 * @nid: the pin NID to sense 1503 * 1504 * Execute necessary pin sense measurement and return its Presence Detect, 1505 * Impedance, ELD Valid etc. status bits. 1506 */ 1507 u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid) 1508 { 1509 u32 pincap; 1510 1511 if (!codec->no_trigger_sense) { 1512 pincap = snd_hda_query_pin_caps(codec, nid); 1513 if (pincap & AC_PINCAP_TRIG_REQ) /* need trigger? */ 1514 snd_hda_codec_read(codec, nid, 0, 1515 AC_VERB_SET_PIN_SENSE, 0); 1516 } 1517 return snd_hda_codec_read(codec, nid, 0, 1518 AC_VERB_GET_PIN_SENSE, 0); 1519 } 1520 EXPORT_SYMBOL_HDA(snd_hda_pin_sense); 1521 1522 /** 1523 * snd_hda_jack_detect - query pin Presence Detect status 1524 * @codec: the CODEC to sense 1525 * @nid: the pin NID to sense 1526 * 1527 * Query and return the pin's Presence Detect status. 1528 */ 1529 int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid) 1530 { 1531 u32 sense = snd_hda_pin_sense(codec, nid); 1532 return !!(sense & AC_PINSENSE_PRESENCE); 1533 } 1534 EXPORT_SYMBOL_HDA(snd_hda_jack_detect); 1535 1536 /* 1537 * read the current volume to info 1538 * if the cache exists, read the cache value. 1539 */ 1540 static unsigned int get_vol_mute(struct hda_codec *codec, 1541 struct hda_amp_info *info, hda_nid_t nid, 1542 int ch, int direction, int index) 1543 { 1544 u32 val, parm; 1545 1546 if (info->head.val & INFO_AMP_VOL(ch)) 1547 return info->vol[ch]; 1548 1549 parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT; 1550 parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT; 1551 parm |= index; 1552 val = snd_hda_codec_read(codec, nid, 0, 1553 AC_VERB_GET_AMP_GAIN_MUTE, parm); 1554 info->vol[ch] = val & 0xff; 1555 info->head.val |= INFO_AMP_VOL(ch); 1556 return info->vol[ch]; 1557 } 1558 1559 /* 1560 * write the current volume in info to the h/w and update the cache 1561 */ 1562 static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info, 1563 hda_nid_t nid, int ch, int direction, int index, 1564 int val) 1565 { 1566 u32 parm; 1567 1568 parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT; 1569 parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT; 1570 parm |= index << AC_AMP_SET_INDEX_SHIFT; 1571 parm |= val; 1572 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm); 1573 info->vol[ch] = val; 1574 } 1575 1576 /** 1577 * snd_hda_codec_amp_read - Read AMP value 1578 * @codec: HD-audio codec 1579 * @nid: NID to read the AMP value 1580 * @ch: channel (left=0 or right=1) 1581 * @direction: #HDA_INPUT or #HDA_OUTPUT 1582 * @index: the index value (only for input direction) 1583 * 1584 * Read AMP value. The volume is between 0 to 0x7f, 0x80 = mute bit. 1585 */ 1586 int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch, 1587 int direction, int index) 1588 { 1589 struct hda_amp_info *info; 1590 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index)); 1591 if (!info) 1592 return 0; 1593 return get_vol_mute(codec, info, nid, ch, direction, index); 1594 } 1595 EXPORT_SYMBOL_HDA(snd_hda_codec_amp_read); 1596 1597 /** 1598 * snd_hda_codec_amp_update - update the AMP value 1599 * @codec: HD-audio codec 1600 * @nid: NID to read the AMP value 1601 * @ch: channel (left=0 or right=1) 1602 * @direction: #HDA_INPUT or #HDA_OUTPUT 1603 * @idx: the index value (only for input direction) 1604 * @mask: bit mask to set 1605 * @val: the bits value to set 1606 * 1607 * Update the AMP value with a bit mask. 1608 * Returns 0 if the value is unchanged, 1 if changed. 1609 */ 1610 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch, 1611 int direction, int idx, int mask, int val) 1612 { 1613 struct hda_amp_info *info; 1614 1615 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx)); 1616 if (!info) 1617 return 0; 1618 if (snd_BUG_ON(mask & ~0xff)) 1619 mask &= 0xff; 1620 val &= mask; 1621 val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask; 1622 if (info->vol[ch] == val) 1623 return 0; 1624 put_vol_mute(codec, info, nid, ch, direction, idx, val); 1625 return 1; 1626 } 1627 EXPORT_SYMBOL_HDA(snd_hda_codec_amp_update); 1628 1629 /** 1630 * snd_hda_codec_amp_stereo - update the AMP stereo values 1631 * @codec: HD-audio codec 1632 * @nid: NID to read the AMP value 1633 * @direction: #HDA_INPUT or #HDA_OUTPUT 1634 * @idx: the index value (only for input direction) 1635 * @mask: bit mask to set 1636 * @val: the bits value to set 1637 * 1638 * Update the AMP values like snd_hda_codec_amp_update(), but for a 1639 * stereo widget with the same mask and value. 1640 */ 1641 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid, 1642 int direction, int idx, int mask, int val) 1643 { 1644 int ch, ret = 0; 1645 1646 if (snd_BUG_ON(mask & ~0xff)) 1647 mask &= 0xff; 1648 for (ch = 0; ch < 2; ch++) 1649 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction, 1650 idx, mask, val); 1651 return ret; 1652 } 1653 EXPORT_SYMBOL_HDA(snd_hda_codec_amp_stereo); 1654 1655 #ifdef SND_HDA_NEEDS_RESUME 1656 /** 1657 * snd_hda_codec_resume_amp - Resume all AMP commands from the cache 1658 * @codec: HD-audio codec 1659 * 1660 * Resume the all amp commands from the cache. 1661 */ 1662 void snd_hda_codec_resume_amp(struct hda_codec *codec) 1663 { 1664 struct hda_amp_info *buffer = codec->amp_cache.buf.list; 1665 int i; 1666 1667 for (i = 0; i < codec->amp_cache.buf.used; i++, buffer++) { 1668 u32 key = buffer->head.key; 1669 hda_nid_t nid; 1670 unsigned int idx, dir, ch; 1671 if (!key) 1672 continue; 1673 nid = key & 0xff; 1674 idx = (key >> 16) & 0xff; 1675 dir = (key >> 24) & 0xff; 1676 for (ch = 0; ch < 2; ch++) { 1677 if (!(buffer->head.val & INFO_AMP_VOL(ch))) 1678 continue; 1679 put_vol_mute(codec, buffer, nid, ch, dir, idx, 1680 buffer->vol[ch]); 1681 } 1682 } 1683 } 1684 EXPORT_SYMBOL_HDA(snd_hda_codec_resume_amp); 1685 #endif /* SND_HDA_NEEDS_RESUME */ 1686 1687 static u32 get_amp_max_value(struct hda_codec *codec, hda_nid_t nid, int dir, 1688 unsigned int ofs) 1689 { 1690 u32 caps = query_amp_caps(codec, nid, dir); 1691 /* get num steps */ 1692 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; 1693 if (ofs < caps) 1694 caps -= ofs; 1695 return caps; 1696 } 1697 1698 /** 1699 * snd_hda_mixer_amp_volume_info - Info callback for a standard AMP mixer 1700 * 1701 * The control element is supposed to have the private_value field 1702 * set up via HDA_COMPOSE_AMP_VAL*() or related macros. 1703 */ 1704 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol, 1705 struct snd_ctl_elem_info *uinfo) 1706 { 1707 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 1708 u16 nid = get_amp_nid(kcontrol); 1709 u8 chs = get_amp_channels(kcontrol); 1710 int dir = get_amp_direction(kcontrol); 1711 unsigned int ofs = get_amp_offset(kcontrol); 1712 1713 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1714 uinfo->count = chs == 3 ? 2 : 1; 1715 uinfo->value.integer.min = 0; 1716 uinfo->value.integer.max = get_amp_max_value(codec, nid, dir, ofs); 1717 if (!uinfo->value.integer.max) { 1718 printk(KERN_WARNING "hda_codec: " 1719 "num_steps = 0 for NID=0x%x (ctl = %s)\n", nid, 1720 kcontrol->id.name); 1721 return -EINVAL; 1722 } 1723 return 0; 1724 } 1725 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_info); 1726 1727 1728 static inline unsigned int 1729 read_amp_value(struct hda_codec *codec, hda_nid_t nid, 1730 int ch, int dir, int idx, unsigned int ofs) 1731 { 1732 unsigned int val; 1733 val = snd_hda_codec_amp_read(codec, nid, ch, dir, idx); 1734 val &= HDA_AMP_VOLMASK; 1735 if (val >= ofs) 1736 val -= ofs; 1737 else 1738 val = 0; 1739 return val; 1740 } 1741 1742 static inline int 1743 update_amp_value(struct hda_codec *codec, hda_nid_t nid, 1744 int ch, int dir, int idx, unsigned int ofs, 1745 unsigned int val) 1746 { 1747 unsigned int maxval; 1748 1749 if (val > 0) 1750 val += ofs; 1751 /* ofs = 0: raw max value */ 1752 maxval = get_amp_max_value(codec, nid, dir, 0); 1753 if (val > maxval) 1754 val = maxval; 1755 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx, 1756 HDA_AMP_VOLMASK, val); 1757 } 1758 1759 /** 1760 * snd_hda_mixer_amp_volume_get - Get callback for a standard AMP mixer volume 1761 * 1762 * The control element is supposed to have the private_value field 1763 * set up via HDA_COMPOSE_AMP_VAL*() or related macros. 1764 */ 1765 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol, 1766 struct snd_ctl_elem_value *ucontrol) 1767 { 1768 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 1769 hda_nid_t nid = get_amp_nid(kcontrol); 1770 int chs = get_amp_channels(kcontrol); 1771 int dir = get_amp_direction(kcontrol); 1772 int idx = get_amp_index(kcontrol); 1773 unsigned int ofs = get_amp_offset(kcontrol); 1774 long *valp = ucontrol->value.integer.value; 1775 1776 if (chs & 1) 1777 *valp++ = read_amp_value(codec, nid, 0, dir, idx, ofs); 1778 if (chs & 2) 1779 *valp = read_amp_value(codec, nid, 1, dir, idx, ofs); 1780 return 0; 1781 } 1782 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_get); 1783 1784 /** 1785 * snd_hda_mixer_amp_volume_put - Put callback for a standard AMP mixer volume 1786 * 1787 * The control element is supposed to have the private_value field 1788 * set up via HDA_COMPOSE_AMP_VAL*() or related macros. 1789 */ 1790 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol, 1791 struct snd_ctl_elem_value *ucontrol) 1792 { 1793 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 1794 hda_nid_t nid = get_amp_nid(kcontrol); 1795 int chs = get_amp_channels(kcontrol); 1796 int dir = get_amp_direction(kcontrol); 1797 int idx = get_amp_index(kcontrol); 1798 unsigned int ofs = get_amp_offset(kcontrol); 1799 long *valp = ucontrol->value.integer.value; 1800 int change = 0; 1801 1802 snd_hda_power_up(codec); 1803 if (chs & 1) { 1804 change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp); 1805 valp++; 1806 } 1807 if (chs & 2) 1808 change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp); 1809 snd_hda_power_down(codec); 1810 return change; 1811 } 1812 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_put); 1813 1814 /** 1815 * snd_hda_mixer_amp_volume_put - TLV callback for a standard AMP mixer volume 1816 * 1817 * The control element is supposed to have the private_value field 1818 * set up via HDA_COMPOSE_AMP_VAL*() or related macros. 1819 */ 1820 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag, 1821 unsigned int size, unsigned int __user *_tlv) 1822 { 1823 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 1824 hda_nid_t nid = get_amp_nid(kcontrol); 1825 int dir = get_amp_direction(kcontrol); 1826 unsigned int ofs = get_amp_offset(kcontrol); 1827 u32 caps, val1, val2; 1828 1829 if (size < 4 * sizeof(unsigned int)) 1830 return -ENOMEM; 1831 caps = query_amp_caps(codec, nid, dir); 1832 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT; 1833 val2 = (val2 + 1) * 25; 1834 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT); 1835 val1 += ofs; 1836 val1 = ((int)val1) * ((int)val2); 1837 if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv)) 1838 return -EFAULT; 1839 if (put_user(2 * sizeof(unsigned int), _tlv + 1)) 1840 return -EFAULT; 1841 if (put_user(val1, _tlv + 2)) 1842 return -EFAULT; 1843 if (put_user(val2, _tlv + 3)) 1844 return -EFAULT; 1845 return 0; 1846 } 1847 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_tlv); 1848 1849 /** 1850 * snd_hda_set_vmaster_tlv - Set TLV for a virtual master control 1851 * @codec: HD-audio codec 1852 * @nid: NID of a reference widget 1853 * @dir: #HDA_INPUT or #HDA_OUTPUT 1854 * @tlv: TLV data to be stored, at least 4 elements 1855 * 1856 * Set (static) TLV data for a virtual master volume using the AMP caps 1857 * obtained from the reference NID. 1858 * The volume range is recalculated as if the max volume is 0dB. 1859 */ 1860 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir, 1861 unsigned int *tlv) 1862 { 1863 u32 caps; 1864 int nums, step; 1865 1866 caps = query_amp_caps(codec, nid, dir); 1867 nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; 1868 step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT; 1869 step = (step + 1) * 25; 1870 tlv[0] = SNDRV_CTL_TLVT_DB_SCALE; 1871 tlv[1] = 2 * sizeof(unsigned int); 1872 tlv[2] = -nums * step; 1873 tlv[3] = step; 1874 } 1875 EXPORT_SYMBOL_HDA(snd_hda_set_vmaster_tlv); 1876 1877 /* find a mixer control element with the given name */ 1878 static struct snd_kcontrol * 1879 _snd_hda_find_mixer_ctl(struct hda_codec *codec, 1880 const char *name, int idx) 1881 { 1882 struct snd_ctl_elem_id id; 1883 memset(&id, 0, sizeof(id)); 1884 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 1885 id.index = idx; 1886 if (snd_BUG_ON(strlen(name) >= sizeof(id.name))) 1887 return NULL; 1888 strcpy(id.name, name); 1889 return snd_ctl_find_id(codec->bus->card, &id); 1890 } 1891 1892 /** 1893 * snd_hda_find_mixer_ctl - Find a mixer control element with the given name 1894 * @codec: HD-audio codec 1895 * @name: ctl id name string 1896 * 1897 * Get the control element with the given id string and IFACE_MIXER. 1898 */ 1899 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec, 1900 const char *name) 1901 { 1902 return _snd_hda_find_mixer_ctl(codec, name, 0); 1903 } 1904 EXPORT_SYMBOL_HDA(snd_hda_find_mixer_ctl); 1905 1906 /** 1907 * snd_hda_ctl_add - Add a control element and assign to the codec 1908 * @codec: HD-audio codec 1909 * @nid: corresponding NID (optional) 1910 * @kctl: the control element to assign 1911 * 1912 * Add the given control element to an array inside the codec instance. 1913 * All control elements belonging to a codec are supposed to be added 1914 * by this function so that a proper clean-up works at the free or 1915 * reconfiguration time. 1916 * 1917 * If non-zero @nid is passed, the NID is assigned to the control element. 1918 * The assignment is shown in the codec proc file. 1919 * 1920 * snd_hda_ctl_add() checks the control subdev id field whether 1921 * #HDA_SUBDEV_NID_FLAG bit is set. If set (and @nid is zero), the lower 1922 * bits value is taken as the NID to assign. The #HDA_NID_ITEM_AMP bit 1923 * specifies if kctl->private_value is a HDA amplifier value. 1924 */ 1925 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid, 1926 struct snd_kcontrol *kctl) 1927 { 1928 int err; 1929 unsigned short flags = 0; 1930 struct hda_nid_item *item; 1931 1932 if (kctl->id.subdevice & HDA_SUBDEV_AMP_FLAG) { 1933 flags |= HDA_NID_ITEM_AMP; 1934 if (nid == 0) 1935 nid = get_amp_nid_(kctl->private_value); 1936 } 1937 if ((kctl->id.subdevice & HDA_SUBDEV_NID_FLAG) != 0 && nid == 0) 1938 nid = kctl->id.subdevice & 0xffff; 1939 if (kctl->id.subdevice & (HDA_SUBDEV_NID_FLAG|HDA_SUBDEV_AMP_FLAG)) 1940 kctl->id.subdevice = 0; 1941 err = snd_ctl_add(codec->bus->card, kctl); 1942 if (err < 0) 1943 return err; 1944 item = snd_array_new(&codec->mixers); 1945 if (!item) 1946 return -ENOMEM; 1947 item->kctl = kctl; 1948 item->nid = nid; 1949 item->flags = flags; 1950 return 0; 1951 } 1952 EXPORT_SYMBOL_HDA(snd_hda_ctl_add); 1953 1954 /** 1955 * snd_hda_add_nid - Assign a NID to a control element 1956 * @codec: HD-audio codec 1957 * @nid: corresponding NID (optional) 1958 * @kctl: the control element to assign 1959 * @index: index to kctl 1960 * 1961 * Add the given control element to an array inside the codec instance. 1962 * This function is used when #snd_hda_ctl_add cannot be used for 1:1 1963 * NID:KCTL mapping - for example "Capture Source" selector. 1964 */ 1965 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl, 1966 unsigned int index, hda_nid_t nid) 1967 { 1968 struct hda_nid_item *item; 1969 1970 if (nid > 0) { 1971 item = snd_array_new(&codec->nids); 1972 if (!item) 1973 return -ENOMEM; 1974 item->kctl = kctl; 1975 item->index = index; 1976 item->nid = nid; 1977 return 0; 1978 } 1979 printk(KERN_ERR "hda-codec: no NID for mapping control %s:%d:%d\n", 1980 kctl->id.name, kctl->id.index, index); 1981 return -EINVAL; 1982 } 1983 EXPORT_SYMBOL_HDA(snd_hda_add_nid); 1984 1985 /** 1986 * snd_hda_ctls_clear - Clear all controls assigned to the given codec 1987 * @codec: HD-audio codec 1988 */ 1989 void snd_hda_ctls_clear(struct hda_codec *codec) 1990 { 1991 int i; 1992 struct hda_nid_item *items = codec->mixers.list; 1993 for (i = 0; i < codec->mixers.used; i++) 1994 snd_ctl_remove(codec->bus->card, items[i].kctl); 1995 snd_array_free(&codec->mixers); 1996 snd_array_free(&codec->nids); 1997 } 1998 1999 /* pseudo device locking 2000 * toggle card->shutdown to allow/disallow the device access (as a hack) 2001 */ 2002 static int hda_lock_devices(struct snd_card *card) 2003 { 2004 spin_lock(&card->files_lock); 2005 if (card->shutdown) { 2006 spin_unlock(&card->files_lock); 2007 return -EINVAL; 2008 } 2009 card->shutdown = 1; 2010 spin_unlock(&card->files_lock); 2011 return 0; 2012 } 2013 2014 static void hda_unlock_devices(struct snd_card *card) 2015 { 2016 spin_lock(&card->files_lock); 2017 card->shutdown = 0; 2018 spin_unlock(&card->files_lock); 2019 } 2020 2021 /** 2022 * snd_hda_codec_reset - Clear all objects assigned to the codec 2023 * @codec: HD-audio codec 2024 * 2025 * This frees the all PCM and control elements assigned to the codec, and 2026 * clears the caches and restores the pin default configurations. 2027 * 2028 * When a device is being used, it returns -EBSY. If successfully freed, 2029 * returns zero. 2030 */ 2031 int snd_hda_codec_reset(struct hda_codec *codec) 2032 { 2033 struct snd_card *card = codec->bus->card; 2034 int i, pcm; 2035 2036 if (hda_lock_devices(card) < 0) 2037 return -EBUSY; 2038 /* check whether the codec isn't used by any mixer or PCM streams */ 2039 if (!list_empty(&card->ctl_files)) { 2040 hda_unlock_devices(card); 2041 return -EBUSY; 2042 } 2043 for (pcm = 0; pcm < codec->num_pcms; pcm++) { 2044 struct hda_pcm *cpcm = &codec->pcm_info[pcm]; 2045 if (!cpcm->pcm) 2046 continue; 2047 if (cpcm->pcm->streams[0].substream_opened || 2048 cpcm->pcm->streams[1].substream_opened) { 2049 hda_unlock_devices(card); 2050 return -EBUSY; 2051 } 2052 } 2053 2054 /* OK, let it free */ 2055 2056 #ifdef CONFIG_SND_HDA_POWER_SAVE 2057 cancel_delayed_work(&codec->power_work); 2058 flush_workqueue(codec->bus->workq); 2059 #endif 2060 snd_hda_ctls_clear(codec); 2061 /* relase PCMs */ 2062 for (i = 0; i < codec->num_pcms; i++) { 2063 if (codec->pcm_info[i].pcm) { 2064 snd_device_free(card, codec->pcm_info[i].pcm); 2065 clear_bit(codec->pcm_info[i].device, 2066 codec->bus->pcm_dev_bits); 2067 } 2068 } 2069 if (codec->patch_ops.free) 2070 codec->patch_ops.free(codec); 2071 codec->proc_widget_hook = NULL; 2072 codec->spec = NULL; 2073 free_hda_cache(&codec->amp_cache); 2074 free_hda_cache(&codec->cmd_cache); 2075 init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info)); 2076 init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head)); 2077 /* free only driver_pins so that init_pins + user_pins are restored */ 2078 snd_array_free(&codec->driver_pins); 2079 restore_pincfgs(codec); 2080 codec->num_pcms = 0; 2081 codec->pcm_info = NULL; 2082 codec->preset = NULL; 2083 memset(&codec->patch_ops, 0, sizeof(codec->patch_ops)); 2084 codec->slave_dig_outs = NULL; 2085 codec->spdif_status_reset = 0; 2086 module_put(codec->owner); 2087 codec->owner = NULL; 2088 2089 /* allow device access again */ 2090 hda_unlock_devices(card); 2091 return 0; 2092 } 2093 2094 /** 2095 * snd_hda_add_vmaster - create a virtual master control and add slaves 2096 * @codec: HD-audio codec 2097 * @name: vmaster control name 2098 * @tlv: TLV data (optional) 2099 * @slaves: slave control names (optional) 2100 * 2101 * Create a virtual master control with the given name. The TLV data 2102 * must be either NULL or a valid data. 2103 * 2104 * @slaves is a NULL-terminated array of strings, each of which is a 2105 * slave control name. All controls with these names are assigned to 2106 * the new virtual master control. 2107 * 2108 * This function returns zero if successful or a negative error code. 2109 */ 2110 int snd_hda_add_vmaster(struct hda_codec *codec, char *name, 2111 unsigned int *tlv, const char **slaves) 2112 { 2113 struct snd_kcontrol *kctl; 2114 const char **s; 2115 int err; 2116 2117 for (s = slaves; *s && !snd_hda_find_mixer_ctl(codec, *s); s++) 2118 ; 2119 if (!*s) { 2120 snd_printdd("No slave found for %s\n", name); 2121 return 0; 2122 } 2123 kctl = snd_ctl_make_virtual_master(name, tlv); 2124 if (!kctl) 2125 return -ENOMEM; 2126 err = snd_hda_ctl_add(codec, 0, kctl); 2127 if (err < 0) 2128 return err; 2129 2130 for (s = slaves; *s; s++) { 2131 struct snd_kcontrol *sctl; 2132 int i = 0; 2133 for (;;) { 2134 sctl = _snd_hda_find_mixer_ctl(codec, *s, i); 2135 if (!sctl) { 2136 if (!i) 2137 snd_printdd("Cannot find slave %s, " 2138 "skipped\n", *s); 2139 break; 2140 } 2141 err = snd_ctl_add_slave(kctl, sctl); 2142 if (err < 0) 2143 return err; 2144 i++; 2145 } 2146 } 2147 return 0; 2148 } 2149 EXPORT_SYMBOL_HDA(snd_hda_add_vmaster); 2150 2151 /** 2152 * snd_hda_mixer_amp_switch_info - Info callback for a standard AMP mixer switch 2153 * 2154 * The control element is supposed to have the private_value field 2155 * set up via HDA_COMPOSE_AMP_VAL*() or related macros. 2156 */ 2157 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol, 2158 struct snd_ctl_elem_info *uinfo) 2159 { 2160 int chs = get_amp_channels(kcontrol); 2161 2162 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 2163 uinfo->count = chs == 3 ? 2 : 1; 2164 uinfo->value.integer.min = 0; 2165 uinfo->value.integer.max = 1; 2166 return 0; 2167 } 2168 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_info); 2169 2170 /** 2171 * snd_hda_mixer_amp_switch_get - Get callback for a standard AMP mixer switch 2172 * 2173 * The control element is supposed to have the private_value field 2174 * set up via HDA_COMPOSE_AMP_VAL*() or related macros. 2175 */ 2176 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol, 2177 struct snd_ctl_elem_value *ucontrol) 2178 { 2179 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2180 hda_nid_t nid = get_amp_nid(kcontrol); 2181 int chs = get_amp_channels(kcontrol); 2182 int dir = get_amp_direction(kcontrol); 2183 int idx = get_amp_index(kcontrol); 2184 long *valp = ucontrol->value.integer.value; 2185 2186 if (chs & 1) 2187 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & 2188 HDA_AMP_MUTE) ? 0 : 1; 2189 if (chs & 2) 2190 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & 2191 HDA_AMP_MUTE) ? 0 : 1; 2192 return 0; 2193 } 2194 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_get); 2195 2196 /** 2197 * snd_hda_mixer_amp_switch_put - Put callback for a standard AMP mixer switch 2198 * 2199 * The control element is supposed to have the private_value field 2200 * set up via HDA_COMPOSE_AMP_VAL*() or related macros. 2201 */ 2202 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol, 2203 struct snd_ctl_elem_value *ucontrol) 2204 { 2205 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2206 hda_nid_t nid = get_amp_nid(kcontrol); 2207 int chs = get_amp_channels(kcontrol); 2208 int dir = get_amp_direction(kcontrol); 2209 int idx = get_amp_index(kcontrol); 2210 long *valp = ucontrol->value.integer.value; 2211 int change = 0; 2212 2213 snd_hda_power_up(codec); 2214 if (chs & 1) { 2215 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx, 2216 HDA_AMP_MUTE, 2217 *valp ? 0 : HDA_AMP_MUTE); 2218 valp++; 2219 } 2220 if (chs & 2) 2221 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx, 2222 HDA_AMP_MUTE, 2223 *valp ? 0 : HDA_AMP_MUTE); 2224 #ifdef CONFIG_SND_HDA_POWER_SAVE 2225 if (codec->patch_ops.check_power_status) 2226 codec->patch_ops.check_power_status(codec, nid); 2227 #endif 2228 snd_hda_power_down(codec); 2229 return change; 2230 } 2231 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_put); 2232 2233 #ifdef CONFIG_SND_HDA_INPUT_BEEP 2234 /** 2235 * snd_hda_mixer_amp_switch_put_beep - Put callback for a beep AMP switch 2236 * 2237 * This function calls snd_hda_enable_beep_device(), which behaves differently 2238 * depending on beep_mode option. 2239 */ 2240 int snd_hda_mixer_amp_switch_put_beep(struct snd_kcontrol *kcontrol, 2241 struct snd_ctl_elem_value *ucontrol) 2242 { 2243 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2244 long *valp = ucontrol->value.integer.value; 2245 2246 snd_hda_enable_beep_device(codec, *valp); 2247 return snd_hda_mixer_amp_switch_put(kcontrol, ucontrol); 2248 } 2249 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_put_beep); 2250 #endif /* CONFIG_SND_HDA_INPUT_BEEP */ 2251 2252 /* 2253 * bound volume controls 2254 * 2255 * bind multiple volumes (# indices, from 0) 2256 */ 2257 2258 #define AMP_VAL_IDX_SHIFT 19 2259 #define AMP_VAL_IDX_MASK (0x0f<<19) 2260 2261 /** 2262 * snd_hda_mixer_bind_switch_get - Get callback for a bound volume control 2263 * 2264 * The control element is supposed to have the private_value field 2265 * set up via HDA_BIND_MUTE*() macros. 2266 */ 2267 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol, 2268 struct snd_ctl_elem_value *ucontrol) 2269 { 2270 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2271 unsigned long pval; 2272 int err; 2273 2274 mutex_lock(&codec->control_mutex); 2275 pval = kcontrol->private_value; 2276 kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */ 2277 err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol); 2278 kcontrol->private_value = pval; 2279 mutex_unlock(&codec->control_mutex); 2280 return err; 2281 } 2282 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_switch_get); 2283 2284 /** 2285 * snd_hda_mixer_bind_switch_put - Put callback for a bound volume control 2286 * 2287 * The control element is supposed to have the private_value field 2288 * set up via HDA_BIND_MUTE*() macros. 2289 */ 2290 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol, 2291 struct snd_ctl_elem_value *ucontrol) 2292 { 2293 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2294 unsigned long pval; 2295 int i, indices, err = 0, change = 0; 2296 2297 mutex_lock(&codec->control_mutex); 2298 pval = kcontrol->private_value; 2299 indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT; 2300 for (i = 0; i < indices; i++) { 2301 kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) | 2302 (i << AMP_VAL_IDX_SHIFT); 2303 err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol); 2304 if (err < 0) 2305 break; 2306 change |= err; 2307 } 2308 kcontrol->private_value = pval; 2309 mutex_unlock(&codec->control_mutex); 2310 return err < 0 ? err : change; 2311 } 2312 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_switch_put); 2313 2314 /** 2315 * snd_hda_mixer_bind_ctls_info - Info callback for a generic bound control 2316 * 2317 * The control element is supposed to have the private_value field 2318 * set up via HDA_BIND_VOL() or HDA_BIND_SW() macros. 2319 */ 2320 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol, 2321 struct snd_ctl_elem_info *uinfo) 2322 { 2323 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2324 struct hda_bind_ctls *c; 2325 int err; 2326 2327 mutex_lock(&codec->control_mutex); 2328 c = (struct hda_bind_ctls *)kcontrol->private_value; 2329 kcontrol->private_value = *c->values; 2330 err = c->ops->info(kcontrol, uinfo); 2331 kcontrol->private_value = (long)c; 2332 mutex_unlock(&codec->control_mutex); 2333 return err; 2334 } 2335 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_info); 2336 2337 /** 2338 * snd_hda_mixer_bind_ctls_get - Get callback for a generic bound control 2339 * 2340 * The control element is supposed to have the private_value field 2341 * set up via HDA_BIND_VOL() or HDA_BIND_SW() macros. 2342 */ 2343 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol, 2344 struct snd_ctl_elem_value *ucontrol) 2345 { 2346 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2347 struct hda_bind_ctls *c; 2348 int err; 2349 2350 mutex_lock(&codec->control_mutex); 2351 c = (struct hda_bind_ctls *)kcontrol->private_value; 2352 kcontrol->private_value = *c->values; 2353 err = c->ops->get(kcontrol, ucontrol); 2354 kcontrol->private_value = (long)c; 2355 mutex_unlock(&codec->control_mutex); 2356 return err; 2357 } 2358 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_get); 2359 2360 /** 2361 * snd_hda_mixer_bind_ctls_put - Put callback for a generic bound control 2362 * 2363 * The control element is supposed to have the private_value field 2364 * set up via HDA_BIND_VOL() or HDA_BIND_SW() macros. 2365 */ 2366 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol, 2367 struct snd_ctl_elem_value *ucontrol) 2368 { 2369 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2370 struct hda_bind_ctls *c; 2371 unsigned long *vals; 2372 int err = 0, change = 0; 2373 2374 mutex_lock(&codec->control_mutex); 2375 c = (struct hda_bind_ctls *)kcontrol->private_value; 2376 for (vals = c->values; *vals; vals++) { 2377 kcontrol->private_value = *vals; 2378 err = c->ops->put(kcontrol, ucontrol); 2379 if (err < 0) 2380 break; 2381 change |= err; 2382 } 2383 kcontrol->private_value = (long)c; 2384 mutex_unlock(&codec->control_mutex); 2385 return err < 0 ? err : change; 2386 } 2387 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_put); 2388 2389 /** 2390 * snd_hda_mixer_bind_tlv - TLV callback for a generic bound control 2391 * 2392 * The control element is supposed to have the private_value field 2393 * set up via HDA_BIND_VOL() macro. 2394 */ 2395 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag, 2396 unsigned int size, unsigned int __user *tlv) 2397 { 2398 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2399 struct hda_bind_ctls *c; 2400 int err; 2401 2402 mutex_lock(&codec->control_mutex); 2403 c = (struct hda_bind_ctls *)kcontrol->private_value; 2404 kcontrol->private_value = *c->values; 2405 err = c->ops->tlv(kcontrol, op_flag, size, tlv); 2406 kcontrol->private_value = (long)c; 2407 mutex_unlock(&codec->control_mutex); 2408 return err; 2409 } 2410 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_tlv); 2411 2412 struct hda_ctl_ops snd_hda_bind_vol = { 2413 .info = snd_hda_mixer_amp_volume_info, 2414 .get = snd_hda_mixer_amp_volume_get, 2415 .put = snd_hda_mixer_amp_volume_put, 2416 .tlv = snd_hda_mixer_amp_tlv 2417 }; 2418 EXPORT_SYMBOL_HDA(snd_hda_bind_vol); 2419 2420 struct hda_ctl_ops snd_hda_bind_sw = { 2421 .info = snd_hda_mixer_amp_switch_info, 2422 .get = snd_hda_mixer_amp_switch_get, 2423 .put = snd_hda_mixer_amp_switch_put, 2424 .tlv = snd_hda_mixer_amp_tlv 2425 }; 2426 EXPORT_SYMBOL_HDA(snd_hda_bind_sw); 2427 2428 /* 2429 * SPDIF out controls 2430 */ 2431 2432 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol, 2433 struct snd_ctl_elem_info *uinfo) 2434 { 2435 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 2436 uinfo->count = 1; 2437 return 0; 2438 } 2439 2440 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol, 2441 struct snd_ctl_elem_value *ucontrol) 2442 { 2443 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 2444 IEC958_AES0_NONAUDIO | 2445 IEC958_AES0_CON_EMPHASIS_5015 | 2446 IEC958_AES0_CON_NOT_COPYRIGHT; 2447 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 2448 IEC958_AES1_CON_ORIGINAL; 2449 return 0; 2450 } 2451 2452 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol, 2453 struct snd_ctl_elem_value *ucontrol) 2454 { 2455 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 2456 IEC958_AES0_NONAUDIO | 2457 IEC958_AES0_PRO_EMPHASIS_5015; 2458 return 0; 2459 } 2460 2461 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol, 2462 struct snd_ctl_elem_value *ucontrol) 2463 { 2464 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2465 2466 ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff; 2467 ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff; 2468 ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff; 2469 ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff; 2470 2471 return 0; 2472 } 2473 2474 /* convert from SPDIF status bits to HDA SPDIF bits 2475 * bit 0 (DigEn) is always set zero (to be filled later) 2476 */ 2477 static unsigned short convert_from_spdif_status(unsigned int sbits) 2478 { 2479 unsigned short val = 0; 2480 2481 if (sbits & IEC958_AES0_PROFESSIONAL) 2482 val |= AC_DIG1_PROFESSIONAL; 2483 if (sbits & IEC958_AES0_NONAUDIO) 2484 val |= AC_DIG1_NONAUDIO; 2485 if (sbits & IEC958_AES0_PROFESSIONAL) { 2486 if ((sbits & IEC958_AES0_PRO_EMPHASIS) == 2487 IEC958_AES0_PRO_EMPHASIS_5015) 2488 val |= AC_DIG1_EMPHASIS; 2489 } else { 2490 if ((sbits & IEC958_AES0_CON_EMPHASIS) == 2491 IEC958_AES0_CON_EMPHASIS_5015) 2492 val |= AC_DIG1_EMPHASIS; 2493 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT)) 2494 val |= AC_DIG1_COPYRIGHT; 2495 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8)) 2496 val |= AC_DIG1_LEVEL; 2497 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8); 2498 } 2499 return val; 2500 } 2501 2502 /* convert to SPDIF status bits from HDA SPDIF bits 2503 */ 2504 static unsigned int convert_to_spdif_status(unsigned short val) 2505 { 2506 unsigned int sbits = 0; 2507 2508 if (val & AC_DIG1_NONAUDIO) 2509 sbits |= IEC958_AES0_NONAUDIO; 2510 if (val & AC_DIG1_PROFESSIONAL) 2511 sbits |= IEC958_AES0_PROFESSIONAL; 2512 if (sbits & IEC958_AES0_PROFESSIONAL) { 2513 if (sbits & AC_DIG1_EMPHASIS) 2514 sbits |= IEC958_AES0_PRO_EMPHASIS_5015; 2515 } else { 2516 if (val & AC_DIG1_EMPHASIS) 2517 sbits |= IEC958_AES0_CON_EMPHASIS_5015; 2518 if (!(val & AC_DIG1_COPYRIGHT)) 2519 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT; 2520 if (val & AC_DIG1_LEVEL) 2521 sbits |= (IEC958_AES1_CON_ORIGINAL << 8); 2522 sbits |= val & (0x7f << 8); 2523 } 2524 return sbits; 2525 } 2526 2527 /* set digital convert verbs both for the given NID and its slaves */ 2528 static void set_dig_out(struct hda_codec *codec, hda_nid_t nid, 2529 int verb, int val) 2530 { 2531 hda_nid_t *d; 2532 2533 snd_hda_codec_write_cache(codec, nid, 0, verb, val); 2534 d = codec->slave_dig_outs; 2535 if (!d) 2536 return; 2537 for (; *d; d++) 2538 snd_hda_codec_write_cache(codec, *d, 0, verb, val); 2539 } 2540 2541 static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid, 2542 int dig1, int dig2) 2543 { 2544 if (dig1 != -1) 2545 set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_1, dig1); 2546 if (dig2 != -1) 2547 set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_2, dig2); 2548 } 2549 2550 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol, 2551 struct snd_ctl_elem_value *ucontrol) 2552 { 2553 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2554 hda_nid_t nid = kcontrol->private_value; 2555 unsigned short val; 2556 int change; 2557 2558 mutex_lock(&codec->spdif_mutex); 2559 codec->spdif_status = ucontrol->value.iec958.status[0] | 2560 ((unsigned int)ucontrol->value.iec958.status[1] << 8) | 2561 ((unsigned int)ucontrol->value.iec958.status[2] << 16) | 2562 ((unsigned int)ucontrol->value.iec958.status[3] << 24); 2563 val = convert_from_spdif_status(codec->spdif_status); 2564 val |= codec->spdif_ctls & 1; 2565 change = codec->spdif_ctls != val; 2566 codec->spdif_ctls = val; 2567 2568 if (change) 2569 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff); 2570 2571 mutex_unlock(&codec->spdif_mutex); 2572 return change; 2573 } 2574 2575 #define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info 2576 2577 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol, 2578 struct snd_ctl_elem_value *ucontrol) 2579 { 2580 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2581 2582 ucontrol->value.integer.value[0] = codec->spdif_ctls & AC_DIG1_ENABLE; 2583 return 0; 2584 } 2585 2586 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol, 2587 struct snd_ctl_elem_value *ucontrol) 2588 { 2589 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2590 hda_nid_t nid = kcontrol->private_value; 2591 unsigned short val; 2592 int change; 2593 2594 mutex_lock(&codec->spdif_mutex); 2595 val = codec->spdif_ctls & ~AC_DIG1_ENABLE; 2596 if (ucontrol->value.integer.value[0]) 2597 val |= AC_DIG1_ENABLE; 2598 change = codec->spdif_ctls != val; 2599 if (change) { 2600 codec->spdif_ctls = val; 2601 set_dig_out_convert(codec, nid, val & 0xff, -1); 2602 /* unmute amp switch (if any) */ 2603 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) && 2604 (val & AC_DIG1_ENABLE)) 2605 snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0, 2606 HDA_AMP_MUTE, 0); 2607 } 2608 mutex_unlock(&codec->spdif_mutex); 2609 return change; 2610 } 2611 2612 static struct snd_kcontrol_new dig_mixes[] = { 2613 { 2614 .access = SNDRV_CTL_ELEM_ACCESS_READ, 2615 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2616 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK), 2617 .info = snd_hda_spdif_mask_info, 2618 .get = snd_hda_spdif_cmask_get, 2619 }, 2620 { 2621 .access = SNDRV_CTL_ELEM_ACCESS_READ, 2622 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2623 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK), 2624 .info = snd_hda_spdif_mask_info, 2625 .get = snd_hda_spdif_pmask_get, 2626 }, 2627 { 2628 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2629 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT), 2630 .info = snd_hda_spdif_mask_info, 2631 .get = snd_hda_spdif_default_get, 2632 .put = snd_hda_spdif_default_put, 2633 }, 2634 { 2635 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2636 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH), 2637 .info = snd_hda_spdif_out_switch_info, 2638 .get = snd_hda_spdif_out_switch_get, 2639 .put = snd_hda_spdif_out_switch_put, 2640 }, 2641 { } /* end */ 2642 }; 2643 2644 #define SPDIF_MAX_IDX 4 /* 4 instances should be enough to probe */ 2645 2646 /** 2647 * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls 2648 * @codec: the HDA codec 2649 * @nid: audio out widget NID 2650 * 2651 * Creates controls related with the SPDIF output. 2652 * Called from each patch supporting the SPDIF out. 2653 * 2654 * Returns 0 if successful, or a negative error code. 2655 */ 2656 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid) 2657 { 2658 int err; 2659 struct snd_kcontrol *kctl; 2660 struct snd_kcontrol_new *dig_mix; 2661 int idx; 2662 2663 for (idx = 0; idx < SPDIF_MAX_IDX; idx++) { 2664 if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Playback Switch", 2665 idx)) 2666 break; 2667 } 2668 if (idx >= SPDIF_MAX_IDX) { 2669 printk(KERN_ERR "hda_codec: too many IEC958 outputs\n"); 2670 return -EBUSY; 2671 } 2672 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) { 2673 kctl = snd_ctl_new1(dig_mix, codec); 2674 if (!kctl) 2675 return -ENOMEM; 2676 kctl->id.index = idx; 2677 kctl->private_value = nid; 2678 err = snd_hda_ctl_add(codec, nid, kctl); 2679 if (err < 0) 2680 return err; 2681 } 2682 codec->spdif_ctls = 2683 snd_hda_codec_read(codec, nid, 0, 2684 AC_VERB_GET_DIGI_CONVERT_1, 0); 2685 codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls); 2686 return 0; 2687 } 2688 EXPORT_SYMBOL_HDA(snd_hda_create_spdif_out_ctls); 2689 2690 /* 2691 * SPDIF sharing with analog output 2692 */ 2693 static int spdif_share_sw_get(struct snd_kcontrol *kcontrol, 2694 struct snd_ctl_elem_value *ucontrol) 2695 { 2696 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol); 2697 ucontrol->value.integer.value[0] = mout->share_spdif; 2698 return 0; 2699 } 2700 2701 static int spdif_share_sw_put(struct snd_kcontrol *kcontrol, 2702 struct snd_ctl_elem_value *ucontrol) 2703 { 2704 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol); 2705 mout->share_spdif = !!ucontrol->value.integer.value[0]; 2706 return 0; 2707 } 2708 2709 static struct snd_kcontrol_new spdif_share_sw = { 2710 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2711 .name = "IEC958 Default PCM Playback Switch", 2712 .info = snd_ctl_boolean_mono_info, 2713 .get = spdif_share_sw_get, 2714 .put = spdif_share_sw_put, 2715 }; 2716 2717 /** 2718 * snd_hda_create_spdif_share_sw - create Default PCM switch 2719 * @codec: the HDA codec 2720 * @mout: multi-out instance 2721 */ 2722 int snd_hda_create_spdif_share_sw(struct hda_codec *codec, 2723 struct hda_multi_out *mout) 2724 { 2725 if (!mout->dig_out_nid) 2726 return 0; 2727 /* ATTENTION: here mout is passed as private_data, instead of codec */ 2728 return snd_hda_ctl_add(codec, mout->dig_out_nid, 2729 snd_ctl_new1(&spdif_share_sw, mout)); 2730 } 2731 EXPORT_SYMBOL_HDA(snd_hda_create_spdif_share_sw); 2732 2733 /* 2734 * SPDIF input 2735 */ 2736 2737 #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info 2738 2739 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol, 2740 struct snd_ctl_elem_value *ucontrol) 2741 { 2742 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2743 2744 ucontrol->value.integer.value[0] = codec->spdif_in_enable; 2745 return 0; 2746 } 2747 2748 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol, 2749 struct snd_ctl_elem_value *ucontrol) 2750 { 2751 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2752 hda_nid_t nid = kcontrol->private_value; 2753 unsigned int val = !!ucontrol->value.integer.value[0]; 2754 int change; 2755 2756 mutex_lock(&codec->spdif_mutex); 2757 change = codec->spdif_in_enable != val; 2758 if (change) { 2759 codec->spdif_in_enable = val; 2760 snd_hda_codec_write_cache(codec, nid, 0, 2761 AC_VERB_SET_DIGI_CONVERT_1, val); 2762 } 2763 mutex_unlock(&codec->spdif_mutex); 2764 return change; 2765 } 2766 2767 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol, 2768 struct snd_ctl_elem_value *ucontrol) 2769 { 2770 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2771 hda_nid_t nid = kcontrol->private_value; 2772 unsigned short val; 2773 unsigned int sbits; 2774 2775 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT_1, 0); 2776 sbits = convert_to_spdif_status(val); 2777 ucontrol->value.iec958.status[0] = sbits; 2778 ucontrol->value.iec958.status[1] = sbits >> 8; 2779 ucontrol->value.iec958.status[2] = sbits >> 16; 2780 ucontrol->value.iec958.status[3] = sbits >> 24; 2781 return 0; 2782 } 2783 2784 static struct snd_kcontrol_new dig_in_ctls[] = { 2785 { 2786 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2787 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, SWITCH), 2788 .info = snd_hda_spdif_in_switch_info, 2789 .get = snd_hda_spdif_in_switch_get, 2790 .put = snd_hda_spdif_in_switch_put, 2791 }, 2792 { 2793 .access = SNDRV_CTL_ELEM_ACCESS_READ, 2794 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2795 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT), 2796 .info = snd_hda_spdif_mask_info, 2797 .get = snd_hda_spdif_in_status_get, 2798 }, 2799 { } /* end */ 2800 }; 2801 2802 /** 2803 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls 2804 * @codec: the HDA codec 2805 * @nid: audio in widget NID 2806 * 2807 * Creates controls related with the SPDIF input. 2808 * Called from each patch supporting the SPDIF in. 2809 * 2810 * Returns 0 if successful, or a negative error code. 2811 */ 2812 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid) 2813 { 2814 int err; 2815 struct snd_kcontrol *kctl; 2816 struct snd_kcontrol_new *dig_mix; 2817 int idx; 2818 2819 for (idx = 0; idx < SPDIF_MAX_IDX; idx++) { 2820 if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Capture Switch", 2821 idx)) 2822 break; 2823 } 2824 if (idx >= SPDIF_MAX_IDX) { 2825 printk(KERN_ERR "hda_codec: too many IEC958 inputs\n"); 2826 return -EBUSY; 2827 } 2828 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) { 2829 kctl = snd_ctl_new1(dig_mix, codec); 2830 if (!kctl) 2831 return -ENOMEM; 2832 kctl->private_value = nid; 2833 err = snd_hda_ctl_add(codec, nid, kctl); 2834 if (err < 0) 2835 return err; 2836 } 2837 codec->spdif_in_enable = 2838 snd_hda_codec_read(codec, nid, 0, 2839 AC_VERB_GET_DIGI_CONVERT_1, 0) & 2840 AC_DIG1_ENABLE; 2841 return 0; 2842 } 2843 EXPORT_SYMBOL_HDA(snd_hda_create_spdif_in_ctls); 2844 2845 #ifdef SND_HDA_NEEDS_RESUME 2846 /* 2847 * command cache 2848 */ 2849 2850 /* build a 32bit cache key with the widget id and the command parameter */ 2851 #define build_cmd_cache_key(nid, verb) ((verb << 8) | nid) 2852 #define get_cmd_cache_nid(key) ((key) & 0xff) 2853 #define get_cmd_cache_cmd(key) (((key) >> 8) & 0xffff) 2854 2855 /** 2856 * snd_hda_codec_write_cache - send a single command with caching 2857 * @codec: the HDA codec 2858 * @nid: NID to send the command 2859 * @direct: direct flag 2860 * @verb: the verb to send 2861 * @parm: the parameter for the verb 2862 * 2863 * Send a single command without waiting for response. 2864 * 2865 * Returns 0 if successful, or a negative error code. 2866 */ 2867 int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid, 2868 int direct, unsigned int verb, unsigned int parm) 2869 { 2870 int err = snd_hda_codec_write(codec, nid, direct, verb, parm); 2871 struct hda_cache_head *c; 2872 u32 key; 2873 2874 if (err < 0) 2875 return err; 2876 /* parm may contain the verb stuff for get/set amp */ 2877 verb = verb | (parm >> 8); 2878 parm &= 0xff; 2879 key = build_cmd_cache_key(nid, verb); 2880 mutex_lock(&codec->bus->cmd_mutex); 2881 c = get_alloc_hash(&codec->cmd_cache, key); 2882 if (c) 2883 c->val = parm; 2884 mutex_unlock(&codec->bus->cmd_mutex); 2885 return 0; 2886 } 2887 EXPORT_SYMBOL_HDA(snd_hda_codec_write_cache); 2888 2889 /** 2890 * snd_hda_codec_update_cache - check cache and write the cmd only when needed 2891 * @codec: the HDA codec 2892 * @nid: NID to send the command 2893 * @direct: direct flag 2894 * @verb: the verb to send 2895 * @parm: the parameter for the verb 2896 * 2897 * This function works like snd_hda_codec_write_cache(), but it doesn't send 2898 * command if the parameter is already identical with the cached value. 2899 * If not, it sends the command and refreshes the cache. 2900 * 2901 * Returns 0 if successful, or a negative error code. 2902 */ 2903 int snd_hda_codec_update_cache(struct hda_codec *codec, hda_nid_t nid, 2904 int direct, unsigned int verb, unsigned int parm) 2905 { 2906 struct hda_cache_head *c; 2907 u32 key; 2908 2909 /* parm may contain the verb stuff for get/set amp */ 2910 verb = verb | (parm >> 8); 2911 parm &= 0xff; 2912 key = build_cmd_cache_key(nid, verb); 2913 mutex_lock(&codec->bus->cmd_mutex); 2914 c = get_hash(&codec->cmd_cache, key); 2915 if (c && c->val == parm) { 2916 mutex_unlock(&codec->bus->cmd_mutex); 2917 return 0; 2918 } 2919 mutex_unlock(&codec->bus->cmd_mutex); 2920 return snd_hda_codec_write_cache(codec, nid, direct, verb, parm); 2921 } 2922 EXPORT_SYMBOL_HDA(snd_hda_codec_update_cache); 2923 2924 /** 2925 * snd_hda_codec_resume_cache - Resume the all commands from the cache 2926 * @codec: HD-audio codec 2927 * 2928 * Execute all verbs recorded in the command caches to resume. 2929 */ 2930 void snd_hda_codec_resume_cache(struct hda_codec *codec) 2931 { 2932 struct hda_cache_head *buffer = codec->cmd_cache.buf.list; 2933 int i; 2934 2935 for (i = 0; i < codec->cmd_cache.buf.used; i++, buffer++) { 2936 u32 key = buffer->key; 2937 if (!key) 2938 continue; 2939 snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0, 2940 get_cmd_cache_cmd(key), buffer->val); 2941 } 2942 } 2943 EXPORT_SYMBOL_HDA(snd_hda_codec_resume_cache); 2944 2945 /** 2946 * snd_hda_sequence_write_cache - sequence writes with caching 2947 * @codec: the HDA codec 2948 * @seq: VERB array to send 2949 * 2950 * Send the commands sequentially from the given array. 2951 * Thte commands are recorded on cache for power-save and resume. 2952 * The array must be terminated with NID=0. 2953 */ 2954 void snd_hda_sequence_write_cache(struct hda_codec *codec, 2955 const struct hda_verb *seq) 2956 { 2957 for (; seq->nid; seq++) 2958 snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb, 2959 seq->param); 2960 } 2961 EXPORT_SYMBOL_HDA(snd_hda_sequence_write_cache); 2962 #endif /* SND_HDA_NEEDS_RESUME */ 2963 2964 /* 2965 * set power state of the codec 2966 */ 2967 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg, 2968 unsigned int power_state) 2969 { 2970 hda_nid_t nid; 2971 int i; 2972 2973 /* this delay seems necessary to avoid click noise at power-down */ 2974 if (power_state == AC_PWRST_D3) 2975 msleep(100); 2976 snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, 2977 power_state); 2978 /* partial workaround for "azx_get_response timeout" */ 2979 if (power_state == AC_PWRST_D0 && 2980 (codec->vendor_id & 0xffff0000) == 0x14f10000) 2981 msleep(10); 2982 2983 nid = codec->start_nid; 2984 for (i = 0; i < codec->num_nodes; i++, nid++) { 2985 unsigned int wcaps = get_wcaps(codec, nid); 2986 if (wcaps & AC_WCAP_POWER) { 2987 unsigned int wid_type = get_wcaps_type(wcaps); 2988 if (power_state == AC_PWRST_D3 && 2989 wid_type == AC_WID_PIN) { 2990 unsigned int pincap; 2991 /* 2992 * don't power down the widget if it controls 2993 * eapd and EAPD_BTLENABLE is set. 2994 */ 2995 pincap = snd_hda_query_pin_caps(codec, nid); 2996 if (pincap & AC_PINCAP_EAPD) { 2997 int eapd = snd_hda_codec_read(codec, 2998 nid, 0, 2999 AC_VERB_GET_EAPD_BTLENABLE, 0); 3000 eapd &= 0x02; 3001 if (eapd) 3002 continue; 3003 } 3004 } 3005 snd_hda_codec_write(codec, nid, 0, 3006 AC_VERB_SET_POWER_STATE, 3007 power_state); 3008 } 3009 } 3010 3011 if (power_state == AC_PWRST_D0) { 3012 unsigned long end_time; 3013 int state; 3014 /* wait until the codec reachs to D0 */ 3015 end_time = jiffies + msecs_to_jiffies(500); 3016 do { 3017 state = snd_hda_codec_read(codec, fg, 0, 3018 AC_VERB_GET_POWER_STATE, 0); 3019 if (state == power_state) 3020 break; 3021 msleep(1); 3022 } while (time_after_eq(end_time, jiffies)); 3023 } 3024 } 3025 3026 #ifdef CONFIG_SND_HDA_HWDEP 3027 /* execute additional init verbs */ 3028 static void hda_exec_init_verbs(struct hda_codec *codec) 3029 { 3030 if (codec->init_verbs.list) 3031 snd_hda_sequence_write(codec, codec->init_verbs.list); 3032 } 3033 #else 3034 static inline void hda_exec_init_verbs(struct hda_codec *codec) {} 3035 #endif 3036 3037 #ifdef SND_HDA_NEEDS_RESUME 3038 /* 3039 * call suspend and power-down; used both from PM and power-save 3040 */ 3041 static void hda_call_codec_suspend(struct hda_codec *codec) 3042 { 3043 if (codec->patch_ops.suspend) 3044 codec->patch_ops.suspend(codec, PMSG_SUSPEND); 3045 hda_cleanup_all_streams(codec); 3046 hda_set_power_state(codec, 3047 codec->afg ? codec->afg : codec->mfg, 3048 AC_PWRST_D3); 3049 #ifdef CONFIG_SND_HDA_POWER_SAVE 3050 snd_hda_update_power_acct(codec); 3051 cancel_delayed_work(&codec->power_work); 3052 codec->power_on = 0; 3053 codec->power_transition = 0; 3054 codec->power_jiffies = jiffies; 3055 #endif 3056 } 3057 3058 /* 3059 * kick up codec; used both from PM and power-save 3060 */ 3061 static void hda_call_codec_resume(struct hda_codec *codec) 3062 { 3063 hda_set_power_state(codec, 3064 codec->afg ? codec->afg : codec->mfg, 3065 AC_PWRST_D0); 3066 restore_pincfgs(codec); /* restore all current pin configs */ 3067 restore_shutup_pins(codec); 3068 hda_exec_init_verbs(codec); 3069 if (codec->patch_ops.resume) 3070 codec->patch_ops.resume(codec); 3071 else { 3072 if (codec->patch_ops.init) 3073 codec->patch_ops.init(codec); 3074 snd_hda_codec_resume_amp(codec); 3075 snd_hda_codec_resume_cache(codec); 3076 } 3077 } 3078 #endif /* SND_HDA_NEEDS_RESUME */ 3079 3080 3081 /** 3082 * snd_hda_build_controls - build mixer controls 3083 * @bus: the BUS 3084 * 3085 * Creates mixer controls for each codec included in the bus. 3086 * 3087 * Returns 0 if successful, otherwise a negative error code. 3088 */ 3089 int /*__devinit*/ snd_hda_build_controls(struct hda_bus *bus) 3090 { 3091 struct hda_codec *codec; 3092 3093 list_for_each_entry(codec, &bus->codec_list, list) { 3094 int err = snd_hda_codec_build_controls(codec); 3095 if (err < 0) { 3096 printk(KERN_ERR "hda_codec: cannot build controls " 3097 "for #%d (error %d)\n", codec->addr, err); 3098 err = snd_hda_codec_reset(codec); 3099 if (err < 0) { 3100 printk(KERN_ERR 3101 "hda_codec: cannot revert codec\n"); 3102 return err; 3103 } 3104 } 3105 } 3106 return 0; 3107 } 3108 EXPORT_SYMBOL_HDA(snd_hda_build_controls); 3109 3110 int snd_hda_codec_build_controls(struct hda_codec *codec) 3111 { 3112 int err = 0; 3113 hda_exec_init_verbs(codec); 3114 /* continue to initialize... */ 3115 if (codec->patch_ops.init) 3116 err = codec->patch_ops.init(codec); 3117 if (!err && codec->patch_ops.build_controls) 3118 err = codec->patch_ops.build_controls(codec); 3119 if (err < 0) 3120 return err; 3121 return 0; 3122 } 3123 3124 /* 3125 * stream formats 3126 */ 3127 struct hda_rate_tbl { 3128 unsigned int hz; 3129 unsigned int alsa_bits; 3130 unsigned int hda_fmt; 3131 }; 3132 3133 /* rate = base * mult / div */ 3134 #define HDA_RATE(base, mult, div) \ 3135 (AC_FMT_BASE_##base##K | (((mult) - 1) << AC_FMT_MULT_SHIFT) | \ 3136 (((div) - 1) << AC_FMT_DIV_SHIFT)) 3137 3138 static struct hda_rate_tbl rate_bits[] = { 3139 /* rate in Hz, ALSA rate bitmask, HDA format value */ 3140 3141 /* autodetected value used in snd_hda_query_supported_pcm */ 3142 { 8000, SNDRV_PCM_RATE_8000, HDA_RATE(48, 1, 6) }, 3143 { 11025, SNDRV_PCM_RATE_11025, HDA_RATE(44, 1, 4) }, 3144 { 16000, SNDRV_PCM_RATE_16000, HDA_RATE(48, 1, 3) }, 3145 { 22050, SNDRV_PCM_RATE_22050, HDA_RATE(44, 1, 2) }, 3146 { 32000, SNDRV_PCM_RATE_32000, HDA_RATE(48, 2, 3) }, 3147 { 44100, SNDRV_PCM_RATE_44100, HDA_RATE(44, 1, 1) }, 3148 { 48000, SNDRV_PCM_RATE_48000, HDA_RATE(48, 1, 1) }, 3149 { 88200, SNDRV_PCM_RATE_88200, HDA_RATE(44, 2, 1) }, 3150 { 96000, SNDRV_PCM_RATE_96000, HDA_RATE(48, 2, 1) }, 3151 { 176400, SNDRV_PCM_RATE_176400, HDA_RATE(44, 4, 1) }, 3152 { 192000, SNDRV_PCM_RATE_192000, HDA_RATE(48, 4, 1) }, 3153 #define AC_PAR_PCM_RATE_BITS 11 3154 /* up to bits 10, 384kHZ isn't supported properly */ 3155 3156 /* not autodetected value */ 3157 { 9600, SNDRV_PCM_RATE_KNOT, HDA_RATE(48, 1, 5) }, 3158 3159 { 0 } /* terminator */ 3160 }; 3161 3162 /** 3163 * snd_hda_calc_stream_format - calculate format bitset 3164 * @rate: the sample rate 3165 * @channels: the number of channels 3166 * @format: the PCM format (SNDRV_PCM_FORMAT_XXX) 3167 * @maxbps: the max. bps 3168 * 3169 * Calculate the format bitset from the given rate, channels and th PCM format. 3170 * 3171 * Return zero if invalid. 3172 */ 3173 unsigned int snd_hda_calc_stream_format(unsigned int rate, 3174 unsigned int channels, 3175 unsigned int format, 3176 unsigned int maxbps, 3177 unsigned short spdif_ctls) 3178 { 3179 int i; 3180 unsigned int val = 0; 3181 3182 for (i = 0; rate_bits[i].hz; i++) 3183 if (rate_bits[i].hz == rate) { 3184 val = rate_bits[i].hda_fmt; 3185 break; 3186 } 3187 if (!rate_bits[i].hz) { 3188 snd_printdd("invalid rate %d\n", rate); 3189 return 0; 3190 } 3191 3192 if (channels == 0 || channels > 8) { 3193 snd_printdd("invalid channels %d\n", channels); 3194 return 0; 3195 } 3196 val |= channels - 1; 3197 3198 switch (snd_pcm_format_width(format)) { 3199 case 8: 3200 val |= AC_FMT_BITS_8; 3201 break; 3202 case 16: 3203 val |= AC_FMT_BITS_16; 3204 break; 3205 case 20: 3206 case 24: 3207 case 32: 3208 if (maxbps >= 32 || format == SNDRV_PCM_FORMAT_FLOAT_LE) 3209 val |= AC_FMT_BITS_32; 3210 else if (maxbps >= 24) 3211 val |= AC_FMT_BITS_24; 3212 else 3213 val |= AC_FMT_BITS_20; 3214 break; 3215 default: 3216 snd_printdd("invalid format width %d\n", 3217 snd_pcm_format_width(format)); 3218 return 0; 3219 } 3220 3221 if (spdif_ctls & AC_DIG1_NONAUDIO) 3222 val |= AC_FMT_TYPE_NON_PCM; 3223 3224 return val; 3225 } 3226 EXPORT_SYMBOL_HDA(snd_hda_calc_stream_format); 3227 3228 static unsigned int get_pcm_param(struct hda_codec *codec, hda_nid_t nid) 3229 { 3230 unsigned int val = 0; 3231 if (nid != codec->afg && 3232 (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) 3233 val = snd_hda_param_read(codec, nid, AC_PAR_PCM); 3234 if (!val || val == -1) 3235 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM); 3236 if (!val || val == -1) 3237 return 0; 3238 return val; 3239 } 3240 3241 static unsigned int query_pcm_param(struct hda_codec *codec, hda_nid_t nid) 3242 { 3243 return query_caps_hash(codec, nid, HDA_HASH_PARPCM_KEY(nid), 3244 get_pcm_param); 3245 } 3246 3247 static unsigned int get_stream_param(struct hda_codec *codec, hda_nid_t nid) 3248 { 3249 unsigned int streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM); 3250 if (!streams || streams == -1) 3251 streams = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM); 3252 if (!streams || streams == -1) 3253 return 0; 3254 return streams; 3255 } 3256 3257 static unsigned int query_stream_param(struct hda_codec *codec, hda_nid_t nid) 3258 { 3259 return query_caps_hash(codec, nid, HDA_HASH_PARSTR_KEY(nid), 3260 get_stream_param); 3261 } 3262 3263 /** 3264 * snd_hda_query_supported_pcm - query the supported PCM rates and formats 3265 * @codec: the HDA codec 3266 * @nid: NID to query 3267 * @ratesp: the pointer to store the detected rate bitflags 3268 * @formatsp: the pointer to store the detected formats 3269 * @bpsp: the pointer to store the detected format widths 3270 * 3271 * Queries the supported PCM rates and formats. The NULL @ratesp, @formatsp 3272 * or @bsps argument is ignored. 3273 * 3274 * Returns 0 if successful, otherwise a negative error code. 3275 */ 3276 static int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid, 3277 u32 *ratesp, u64 *formatsp, unsigned int *bpsp) 3278 { 3279 unsigned int i, val, wcaps; 3280 3281 wcaps = get_wcaps(codec, nid); 3282 val = query_pcm_param(codec, nid); 3283 3284 if (ratesp) { 3285 u32 rates = 0; 3286 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) { 3287 if (val & (1 << i)) 3288 rates |= rate_bits[i].alsa_bits; 3289 } 3290 if (rates == 0) { 3291 snd_printk(KERN_ERR "hda_codec: rates == 0 " 3292 "(nid=0x%x, val=0x%x, ovrd=%i)\n", 3293 nid, val, 3294 (wcaps & AC_WCAP_FORMAT_OVRD) ? 1 : 0); 3295 return -EIO; 3296 } 3297 *ratesp = rates; 3298 } 3299 3300 if (formatsp || bpsp) { 3301 u64 formats = 0; 3302 unsigned int streams, bps; 3303 3304 streams = query_stream_param(codec, nid); 3305 if (!streams) 3306 return -EIO; 3307 3308 bps = 0; 3309 if (streams & AC_SUPFMT_PCM) { 3310 if (val & AC_SUPPCM_BITS_8) { 3311 formats |= SNDRV_PCM_FMTBIT_U8; 3312 bps = 8; 3313 } 3314 if (val & AC_SUPPCM_BITS_16) { 3315 formats |= SNDRV_PCM_FMTBIT_S16_LE; 3316 bps = 16; 3317 } 3318 if (wcaps & AC_WCAP_DIGITAL) { 3319 if (val & AC_SUPPCM_BITS_32) 3320 formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE; 3321 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24)) 3322 formats |= SNDRV_PCM_FMTBIT_S32_LE; 3323 if (val & AC_SUPPCM_BITS_24) 3324 bps = 24; 3325 else if (val & AC_SUPPCM_BITS_20) 3326 bps = 20; 3327 } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24| 3328 AC_SUPPCM_BITS_32)) { 3329 formats |= SNDRV_PCM_FMTBIT_S32_LE; 3330 if (val & AC_SUPPCM_BITS_32) 3331 bps = 32; 3332 else if (val & AC_SUPPCM_BITS_24) 3333 bps = 24; 3334 else if (val & AC_SUPPCM_BITS_20) 3335 bps = 20; 3336 } 3337 } 3338 if (streams & AC_SUPFMT_FLOAT32) { 3339 formats |= SNDRV_PCM_FMTBIT_FLOAT_LE; 3340 if (!bps) 3341 bps = 32; 3342 } 3343 if (streams == AC_SUPFMT_AC3) { 3344 /* should be exclusive */ 3345 /* temporary hack: we have still no proper support 3346 * for the direct AC3 stream... 3347 */ 3348 formats |= SNDRV_PCM_FMTBIT_U8; 3349 bps = 8; 3350 } 3351 if (formats == 0) { 3352 snd_printk(KERN_ERR "hda_codec: formats == 0 " 3353 "(nid=0x%x, val=0x%x, ovrd=%i, " 3354 "streams=0x%x)\n", 3355 nid, val, 3356 (wcaps & AC_WCAP_FORMAT_OVRD) ? 1 : 0, 3357 streams); 3358 return -EIO; 3359 } 3360 if (formatsp) 3361 *formatsp = formats; 3362 if (bpsp) 3363 *bpsp = bps; 3364 } 3365 3366 return 0; 3367 } 3368 3369 /** 3370 * snd_hda_is_supported_format - Check the validity of the format 3371 * @codec: HD-audio codec 3372 * @nid: NID to check 3373 * @format: the HD-audio format value to check 3374 * 3375 * Check whether the given node supports the format value. 3376 * 3377 * Returns 1 if supported, 0 if not. 3378 */ 3379 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid, 3380 unsigned int format) 3381 { 3382 int i; 3383 unsigned int val = 0, rate, stream; 3384 3385 val = query_pcm_param(codec, nid); 3386 if (!val) 3387 return 0; 3388 3389 rate = format & 0xff00; 3390 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) 3391 if (rate_bits[i].hda_fmt == rate) { 3392 if (val & (1 << i)) 3393 break; 3394 return 0; 3395 } 3396 if (i >= AC_PAR_PCM_RATE_BITS) 3397 return 0; 3398 3399 stream = query_stream_param(codec, nid); 3400 if (!stream) 3401 return 0; 3402 3403 if (stream & AC_SUPFMT_PCM) { 3404 switch (format & 0xf0) { 3405 case 0x00: 3406 if (!(val & AC_SUPPCM_BITS_8)) 3407 return 0; 3408 break; 3409 case 0x10: 3410 if (!(val & AC_SUPPCM_BITS_16)) 3411 return 0; 3412 break; 3413 case 0x20: 3414 if (!(val & AC_SUPPCM_BITS_20)) 3415 return 0; 3416 break; 3417 case 0x30: 3418 if (!(val & AC_SUPPCM_BITS_24)) 3419 return 0; 3420 break; 3421 case 0x40: 3422 if (!(val & AC_SUPPCM_BITS_32)) 3423 return 0; 3424 break; 3425 default: 3426 return 0; 3427 } 3428 } else { 3429 /* FIXME: check for float32 and AC3? */ 3430 } 3431 3432 return 1; 3433 } 3434 EXPORT_SYMBOL_HDA(snd_hda_is_supported_format); 3435 3436 /* 3437 * PCM stuff 3438 */ 3439 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo, 3440 struct hda_codec *codec, 3441 struct snd_pcm_substream *substream) 3442 { 3443 return 0; 3444 } 3445 3446 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo, 3447 struct hda_codec *codec, 3448 unsigned int stream_tag, 3449 unsigned int format, 3450 struct snd_pcm_substream *substream) 3451 { 3452 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format); 3453 return 0; 3454 } 3455 3456 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo, 3457 struct hda_codec *codec, 3458 struct snd_pcm_substream *substream) 3459 { 3460 snd_hda_codec_cleanup_stream(codec, hinfo->nid); 3461 return 0; 3462 } 3463 3464 static int set_pcm_default_values(struct hda_codec *codec, 3465 struct hda_pcm_stream *info) 3466 { 3467 int err; 3468 3469 /* query support PCM information from the given NID */ 3470 if (info->nid && (!info->rates || !info->formats)) { 3471 err = snd_hda_query_supported_pcm(codec, info->nid, 3472 info->rates ? NULL : &info->rates, 3473 info->formats ? NULL : &info->formats, 3474 info->maxbps ? NULL : &info->maxbps); 3475 if (err < 0) 3476 return err; 3477 } 3478 if (info->ops.open == NULL) 3479 info->ops.open = hda_pcm_default_open_close; 3480 if (info->ops.close == NULL) 3481 info->ops.close = hda_pcm_default_open_close; 3482 if (info->ops.prepare == NULL) { 3483 if (snd_BUG_ON(!info->nid)) 3484 return -EINVAL; 3485 info->ops.prepare = hda_pcm_default_prepare; 3486 } 3487 if (info->ops.cleanup == NULL) { 3488 if (snd_BUG_ON(!info->nid)) 3489 return -EINVAL; 3490 info->ops.cleanup = hda_pcm_default_cleanup; 3491 } 3492 return 0; 3493 } 3494 3495 /* 3496 * codec prepare/cleanup entries 3497 */ 3498 int snd_hda_codec_prepare(struct hda_codec *codec, 3499 struct hda_pcm_stream *hinfo, 3500 unsigned int stream, 3501 unsigned int format, 3502 struct snd_pcm_substream *substream) 3503 { 3504 int ret; 3505 mutex_lock(&codec->prepare_mutex); 3506 ret = hinfo->ops.prepare(hinfo, codec, stream, format, substream); 3507 if (ret >= 0) 3508 purify_inactive_streams(codec); 3509 mutex_unlock(&codec->prepare_mutex); 3510 return ret; 3511 } 3512 EXPORT_SYMBOL_HDA(snd_hda_codec_prepare); 3513 3514 void snd_hda_codec_cleanup(struct hda_codec *codec, 3515 struct hda_pcm_stream *hinfo, 3516 struct snd_pcm_substream *substream) 3517 { 3518 mutex_lock(&codec->prepare_mutex); 3519 hinfo->ops.cleanup(hinfo, codec, substream); 3520 mutex_unlock(&codec->prepare_mutex); 3521 } 3522 EXPORT_SYMBOL_HDA(snd_hda_codec_cleanup); 3523 3524 /* global */ 3525 const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = { 3526 "Audio", "SPDIF", "HDMI", "Modem" 3527 }; 3528 3529 /* 3530 * get the empty PCM device number to assign 3531 * 3532 * note the max device number is limited by HDA_MAX_PCMS, currently 10 3533 */ 3534 static int get_empty_pcm_device(struct hda_bus *bus, int type) 3535 { 3536 /* audio device indices; not linear to keep compatibility */ 3537 static int audio_idx[HDA_PCM_NTYPES][5] = { 3538 [HDA_PCM_TYPE_AUDIO] = { 0, 2, 4, 5, -1 }, 3539 [HDA_PCM_TYPE_SPDIF] = { 1, -1 }, 3540 [HDA_PCM_TYPE_HDMI] = { 3, 7, 8, 9, -1 }, 3541 [HDA_PCM_TYPE_MODEM] = { 6, -1 }, 3542 }; 3543 int i; 3544 3545 if (type >= HDA_PCM_NTYPES) { 3546 snd_printk(KERN_WARNING "Invalid PCM type %d\n", type); 3547 return -EINVAL; 3548 } 3549 3550 for (i = 0; audio_idx[type][i] >= 0 ; i++) 3551 if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits)) 3552 return audio_idx[type][i]; 3553 3554 snd_printk(KERN_WARNING "Too many %s devices\n", 3555 snd_hda_pcm_type_name[type]); 3556 return -EAGAIN; 3557 } 3558 3559 /* 3560 * attach a new PCM stream 3561 */ 3562 static int snd_hda_attach_pcm(struct hda_codec *codec, struct hda_pcm *pcm) 3563 { 3564 struct hda_bus *bus = codec->bus; 3565 struct hda_pcm_stream *info; 3566 int stream, err; 3567 3568 if (snd_BUG_ON(!pcm->name)) 3569 return -EINVAL; 3570 for (stream = 0; stream < 2; stream++) { 3571 info = &pcm->stream[stream]; 3572 if (info->substreams) { 3573 err = set_pcm_default_values(codec, info); 3574 if (err < 0) 3575 return err; 3576 } 3577 } 3578 return bus->ops.attach_pcm(bus, codec, pcm); 3579 } 3580 3581 /* assign all PCMs of the given codec */ 3582 int snd_hda_codec_build_pcms(struct hda_codec *codec) 3583 { 3584 unsigned int pcm; 3585 int err; 3586 3587 if (!codec->num_pcms) { 3588 if (!codec->patch_ops.build_pcms) 3589 return 0; 3590 err = codec->patch_ops.build_pcms(codec); 3591 if (err < 0) { 3592 printk(KERN_ERR "hda_codec: cannot build PCMs" 3593 "for #%d (error %d)\n", codec->addr, err); 3594 err = snd_hda_codec_reset(codec); 3595 if (err < 0) { 3596 printk(KERN_ERR 3597 "hda_codec: cannot revert codec\n"); 3598 return err; 3599 } 3600 } 3601 } 3602 for (pcm = 0; pcm < codec->num_pcms; pcm++) { 3603 struct hda_pcm *cpcm = &codec->pcm_info[pcm]; 3604 int dev; 3605 3606 if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams) 3607 continue; /* no substreams assigned */ 3608 3609 if (!cpcm->pcm) { 3610 dev = get_empty_pcm_device(codec->bus, cpcm->pcm_type); 3611 if (dev < 0) 3612 continue; /* no fatal error */ 3613 cpcm->device = dev; 3614 err = snd_hda_attach_pcm(codec, cpcm); 3615 if (err < 0) { 3616 printk(KERN_ERR "hda_codec: cannot attach " 3617 "PCM stream %d for codec #%d\n", 3618 dev, codec->addr); 3619 continue; /* no fatal error */ 3620 } 3621 } 3622 } 3623 return 0; 3624 } 3625 3626 /** 3627 * snd_hda_build_pcms - build PCM information 3628 * @bus: the BUS 3629 * 3630 * Create PCM information for each codec included in the bus. 3631 * 3632 * The build_pcms codec patch is requested to set up codec->num_pcms and 3633 * codec->pcm_info properly. The array is referred by the top-level driver 3634 * to create its PCM instances. 3635 * The allocated codec->pcm_info should be released in codec->patch_ops.free 3636 * callback. 3637 * 3638 * At least, substreams, channels_min and channels_max must be filled for 3639 * each stream. substreams = 0 indicates that the stream doesn't exist. 3640 * When rates and/or formats are zero, the supported values are queried 3641 * from the given nid. The nid is used also by the default ops.prepare 3642 * and ops.cleanup callbacks. 3643 * 3644 * The driver needs to call ops.open in its open callback. Similarly, 3645 * ops.close is supposed to be called in the close callback. 3646 * ops.prepare should be called in the prepare or hw_params callback 3647 * with the proper parameters for set up. 3648 * ops.cleanup should be called in hw_free for clean up of streams. 3649 * 3650 * This function returns 0 if successfull, or a negative error code. 3651 */ 3652 int __devinit snd_hda_build_pcms(struct hda_bus *bus) 3653 { 3654 struct hda_codec *codec; 3655 3656 list_for_each_entry(codec, &bus->codec_list, list) { 3657 int err = snd_hda_codec_build_pcms(codec); 3658 if (err < 0) 3659 return err; 3660 } 3661 return 0; 3662 } 3663 EXPORT_SYMBOL_HDA(snd_hda_build_pcms); 3664 3665 /** 3666 * snd_hda_check_board_config - compare the current codec with the config table 3667 * @codec: the HDA codec 3668 * @num_configs: number of config enums 3669 * @models: array of model name strings 3670 * @tbl: configuration table, terminated by null entries 3671 * 3672 * Compares the modelname or PCI subsystem id of the current codec with the 3673 * given configuration table. If a matching entry is found, returns its 3674 * config value (supposed to be 0 or positive). 3675 * 3676 * If no entries are matching, the function returns a negative value. 3677 */ 3678 int snd_hda_check_board_config(struct hda_codec *codec, 3679 int num_configs, const char **models, 3680 const struct snd_pci_quirk *tbl) 3681 { 3682 if (codec->modelname && models) { 3683 int i; 3684 for (i = 0; i < num_configs; i++) { 3685 if (models[i] && 3686 !strcmp(codec->modelname, models[i])) { 3687 snd_printd(KERN_INFO "hda_codec: model '%s' is " 3688 "selected\n", models[i]); 3689 return i; 3690 } 3691 } 3692 } 3693 3694 if (!codec->bus->pci || !tbl) 3695 return -1; 3696 3697 tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl); 3698 if (!tbl) 3699 return -1; 3700 if (tbl->value >= 0 && tbl->value < num_configs) { 3701 #ifdef CONFIG_SND_DEBUG_VERBOSE 3702 char tmp[10]; 3703 const char *model = NULL; 3704 if (models) 3705 model = models[tbl->value]; 3706 if (!model) { 3707 sprintf(tmp, "#%d", tbl->value); 3708 model = tmp; 3709 } 3710 snd_printdd(KERN_INFO "hda_codec: model '%s' is selected " 3711 "for config %x:%x (%s)\n", 3712 model, tbl->subvendor, tbl->subdevice, 3713 (tbl->name ? tbl->name : "Unknown device")); 3714 #endif 3715 return tbl->value; 3716 } 3717 return -1; 3718 } 3719 EXPORT_SYMBOL_HDA(snd_hda_check_board_config); 3720 3721 /** 3722 * snd_hda_check_board_codec_sid_config - compare the current codec 3723 subsystem ID with the 3724 config table 3725 3726 This is important for Gateway notebooks with SB450 HDA Audio 3727 where the vendor ID of the PCI device is: 3728 ATI Technologies Inc SB450 HDA Audio [1002:437b] 3729 and the vendor/subvendor are found only at the codec. 3730 3731 * @codec: the HDA codec 3732 * @num_configs: number of config enums 3733 * @models: array of model name strings 3734 * @tbl: configuration table, terminated by null entries 3735 * 3736 * Compares the modelname or PCI subsystem id of the current codec with the 3737 * given configuration table. If a matching entry is found, returns its 3738 * config value (supposed to be 0 or positive). 3739 * 3740 * If no entries are matching, the function returns a negative value. 3741 */ 3742 int snd_hda_check_board_codec_sid_config(struct hda_codec *codec, 3743 int num_configs, const char **models, 3744 const struct snd_pci_quirk *tbl) 3745 { 3746 const struct snd_pci_quirk *q; 3747 3748 /* Search for codec ID */ 3749 for (q = tbl; q->subvendor; q++) { 3750 unsigned long vendorid = (q->subdevice) | (q->subvendor << 16); 3751 3752 if (vendorid == codec->subsystem_id) 3753 break; 3754 } 3755 3756 if (!q->subvendor) 3757 return -1; 3758 3759 tbl = q; 3760 3761 if (tbl->value >= 0 && tbl->value < num_configs) { 3762 #ifdef CONFIG_SND_DEBUG_VERBOSE 3763 char tmp[10]; 3764 const char *model = NULL; 3765 if (models) 3766 model = models[tbl->value]; 3767 if (!model) { 3768 sprintf(tmp, "#%d", tbl->value); 3769 model = tmp; 3770 } 3771 snd_printdd(KERN_INFO "hda_codec: model '%s' is selected " 3772 "for config %x:%x (%s)\n", 3773 model, tbl->subvendor, tbl->subdevice, 3774 (tbl->name ? tbl->name : "Unknown device")); 3775 #endif 3776 return tbl->value; 3777 } 3778 return -1; 3779 } 3780 EXPORT_SYMBOL_HDA(snd_hda_check_board_codec_sid_config); 3781 3782 /** 3783 * snd_hda_add_new_ctls - create controls from the array 3784 * @codec: the HDA codec 3785 * @knew: the array of struct snd_kcontrol_new 3786 * 3787 * This helper function creates and add new controls in the given array. 3788 * The array must be terminated with an empty entry as terminator. 3789 * 3790 * Returns 0 if successful, or a negative error code. 3791 */ 3792 int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew) 3793 { 3794 int err; 3795 3796 for (; knew->name; knew++) { 3797 struct snd_kcontrol *kctl; 3798 if (knew->iface == -1) /* skip this codec private value */ 3799 continue; 3800 kctl = snd_ctl_new1(knew, codec); 3801 if (!kctl) 3802 return -ENOMEM; 3803 err = snd_hda_ctl_add(codec, 0, kctl); 3804 if (err < 0) { 3805 if (!codec->addr) 3806 return err; 3807 kctl = snd_ctl_new1(knew, codec); 3808 if (!kctl) 3809 return -ENOMEM; 3810 kctl->id.device = codec->addr; 3811 err = snd_hda_ctl_add(codec, 0, kctl); 3812 if (err < 0) 3813 return err; 3814 } 3815 } 3816 return 0; 3817 } 3818 EXPORT_SYMBOL_HDA(snd_hda_add_new_ctls); 3819 3820 #ifdef CONFIG_SND_HDA_POWER_SAVE 3821 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg, 3822 unsigned int power_state); 3823 3824 static void hda_power_work(struct work_struct *work) 3825 { 3826 struct hda_codec *codec = 3827 container_of(work, struct hda_codec, power_work.work); 3828 struct hda_bus *bus = codec->bus; 3829 3830 if (!codec->power_on || codec->power_count) { 3831 codec->power_transition = 0; 3832 return; 3833 } 3834 3835 hda_call_codec_suspend(codec); 3836 if (bus->ops.pm_notify) 3837 bus->ops.pm_notify(bus); 3838 } 3839 3840 static void hda_keep_power_on(struct hda_codec *codec) 3841 { 3842 codec->power_count++; 3843 codec->power_on = 1; 3844 codec->power_jiffies = jiffies; 3845 } 3846 3847 /* update the power on/off account with the current jiffies */ 3848 void snd_hda_update_power_acct(struct hda_codec *codec) 3849 { 3850 unsigned long delta = jiffies - codec->power_jiffies; 3851 if (codec->power_on) 3852 codec->power_on_acct += delta; 3853 else 3854 codec->power_off_acct += delta; 3855 codec->power_jiffies += delta; 3856 } 3857 3858 /** 3859 * snd_hda_power_up - Power-up the codec 3860 * @codec: HD-audio codec 3861 * 3862 * Increment the power-up counter and power up the hardware really when 3863 * not turned on yet. 3864 */ 3865 void snd_hda_power_up(struct hda_codec *codec) 3866 { 3867 struct hda_bus *bus = codec->bus; 3868 3869 codec->power_count++; 3870 if (codec->power_on || codec->power_transition) 3871 return; 3872 3873 snd_hda_update_power_acct(codec); 3874 codec->power_on = 1; 3875 codec->power_jiffies = jiffies; 3876 if (bus->ops.pm_notify) 3877 bus->ops.pm_notify(bus); 3878 hda_call_codec_resume(codec); 3879 cancel_delayed_work(&codec->power_work); 3880 codec->power_transition = 0; 3881 } 3882 EXPORT_SYMBOL_HDA(snd_hda_power_up); 3883 3884 #define power_save(codec) \ 3885 ((codec)->bus->power_save ? *(codec)->bus->power_save : 0) 3886 3887 /** 3888 * snd_hda_power_down - Power-down the codec 3889 * @codec: HD-audio codec 3890 * 3891 * Decrement the power-up counter and schedules the power-off work if 3892 * the counter rearches to zero. 3893 */ 3894 void snd_hda_power_down(struct hda_codec *codec) 3895 { 3896 --codec->power_count; 3897 if (!codec->power_on || codec->power_count || codec->power_transition) 3898 return; 3899 if (power_save(codec)) { 3900 codec->power_transition = 1; /* avoid reentrance */ 3901 queue_delayed_work(codec->bus->workq, &codec->power_work, 3902 msecs_to_jiffies(power_save(codec) * 1000)); 3903 } 3904 } 3905 EXPORT_SYMBOL_HDA(snd_hda_power_down); 3906 3907 /** 3908 * snd_hda_check_amp_list_power - Check the amp list and update the power 3909 * @codec: HD-audio codec 3910 * @check: the object containing an AMP list and the status 3911 * @nid: NID to check / update 3912 * 3913 * Check whether the given NID is in the amp list. If it's in the list, 3914 * check the current AMP status, and update the the power-status according 3915 * to the mute status. 3916 * 3917 * This function is supposed to be set or called from the check_power_status 3918 * patch ops. 3919 */ 3920 int snd_hda_check_amp_list_power(struct hda_codec *codec, 3921 struct hda_loopback_check *check, 3922 hda_nid_t nid) 3923 { 3924 struct hda_amp_list *p; 3925 int ch, v; 3926 3927 if (!check->amplist) 3928 return 0; 3929 for (p = check->amplist; p->nid; p++) { 3930 if (p->nid == nid) 3931 break; 3932 } 3933 if (!p->nid) 3934 return 0; /* nothing changed */ 3935 3936 for (p = check->amplist; p->nid; p++) { 3937 for (ch = 0; ch < 2; ch++) { 3938 v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir, 3939 p->idx); 3940 if (!(v & HDA_AMP_MUTE) && v > 0) { 3941 if (!check->power_on) { 3942 check->power_on = 1; 3943 snd_hda_power_up(codec); 3944 } 3945 return 1; 3946 } 3947 } 3948 } 3949 if (check->power_on) { 3950 check->power_on = 0; 3951 snd_hda_power_down(codec); 3952 } 3953 return 0; 3954 } 3955 EXPORT_SYMBOL_HDA(snd_hda_check_amp_list_power); 3956 #endif 3957 3958 /* 3959 * Channel mode helper 3960 */ 3961 3962 /** 3963 * snd_hda_ch_mode_info - Info callback helper for the channel mode enum 3964 */ 3965 int snd_hda_ch_mode_info(struct hda_codec *codec, 3966 struct snd_ctl_elem_info *uinfo, 3967 const struct hda_channel_mode *chmode, 3968 int num_chmodes) 3969 { 3970 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 3971 uinfo->count = 1; 3972 uinfo->value.enumerated.items = num_chmodes; 3973 if (uinfo->value.enumerated.item >= num_chmodes) 3974 uinfo->value.enumerated.item = num_chmodes - 1; 3975 sprintf(uinfo->value.enumerated.name, "%dch", 3976 chmode[uinfo->value.enumerated.item].channels); 3977 return 0; 3978 } 3979 EXPORT_SYMBOL_HDA(snd_hda_ch_mode_info); 3980 3981 /** 3982 * snd_hda_ch_mode_get - Get callback helper for the channel mode enum 3983 */ 3984 int snd_hda_ch_mode_get(struct hda_codec *codec, 3985 struct snd_ctl_elem_value *ucontrol, 3986 const struct hda_channel_mode *chmode, 3987 int num_chmodes, 3988 int max_channels) 3989 { 3990 int i; 3991 3992 for (i = 0; i < num_chmodes; i++) { 3993 if (max_channels == chmode[i].channels) { 3994 ucontrol->value.enumerated.item[0] = i; 3995 break; 3996 } 3997 } 3998 return 0; 3999 } 4000 EXPORT_SYMBOL_HDA(snd_hda_ch_mode_get); 4001 4002 /** 4003 * snd_hda_ch_mode_put - Put callback helper for the channel mode enum 4004 */ 4005 int snd_hda_ch_mode_put(struct hda_codec *codec, 4006 struct snd_ctl_elem_value *ucontrol, 4007 const struct hda_channel_mode *chmode, 4008 int num_chmodes, 4009 int *max_channelsp) 4010 { 4011 unsigned int mode; 4012 4013 mode = ucontrol->value.enumerated.item[0]; 4014 if (mode >= num_chmodes) 4015 return -EINVAL; 4016 if (*max_channelsp == chmode[mode].channels) 4017 return 0; 4018 /* change the current channel setting */ 4019 *max_channelsp = chmode[mode].channels; 4020 if (chmode[mode].sequence) 4021 snd_hda_sequence_write_cache(codec, chmode[mode].sequence); 4022 return 1; 4023 } 4024 EXPORT_SYMBOL_HDA(snd_hda_ch_mode_put); 4025 4026 /* 4027 * input MUX helper 4028 */ 4029 4030 /** 4031 * snd_hda_input_mux_info_info - Info callback helper for the input-mux enum 4032 */ 4033 int snd_hda_input_mux_info(const struct hda_input_mux *imux, 4034 struct snd_ctl_elem_info *uinfo) 4035 { 4036 unsigned int index; 4037 4038 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 4039 uinfo->count = 1; 4040 uinfo->value.enumerated.items = imux->num_items; 4041 if (!imux->num_items) 4042 return 0; 4043 index = uinfo->value.enumerated.item; 4044 if (index >= imux->num_items) 4045 index = imux->num_items - 1; 4046 strcpy(uinfo->value.enumerated.name, imux->items[index].label); 4047 return 0; 4048 } 4049 EXPORT_SYMBOL_HDA(snd_hda_input_mux_info); 4050 4051 /** 4052 * snd_hda_input_mux_info_put - Put callback helper for the input-mux enum 4053 */ 4054 int snd_hda_input_mux_put(struct hda_codec *codec, 4055 const struct hda_input_mux *imux, 4056 struct snd_ctl_elem_value *ucontrol, 4057 hda_nid_t nid, 4058 unsigned int *cur_val) 4059 { 4060 unsigned int idx; 4061 4062 if (!imux->num_items) 4063 return 0; 4064 idx = ucontrol->value.enumerated.item[0]; 4065 if (idx >= imux->num_items) 4066 idx = imux->num_items - 1; 4067 if (*cur_val == idx) 4068 return 0; 4069 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL, 4070 imux->items[idx].index); 4071 *cur_val = idx; 4072 return 1; 4073 } 4074 EXPORT_SYMBOL_HDA(snd_hda_input_mux_put); 4075 4076 4077 /* 4078 * Multi-channel / digital-out PCM helper functions 4079 */ 4080 4081 /* setup SPDIF output stream */ 4082 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid, 4083 unsigned int stream_tag, unsigned int format) 4084 { 4085 /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */ 4086 if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) 4087 set_dig_out_convert(codec, nid, 4088 codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff, 4089 -1); 4090 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format); 4091 if (codec->slave_dig_outs) { 4092 hda_nid_t *d; 4093 for (d = codec->slave_dig_outs; *d; d++) 4094 snd_hda_codec_setup_stream(codec, *d, stream_tag, 0, 4095 format); 4096 } 4097 /* turn on again (if needed) */ 4098 if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) 4099 set_dig_out_convert(codec, nid, 4100 codec->spdif_ctls & 0xff, -1); 4101 } 4102 4103 static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid) 4104 { 4105 snd_hda_codec_cleanup_stream(codec, nid); 4106 if (codec->slave_dig_outs) { 4107 hda_nid_t *d; 4108 for (d = codec->slave_dig_outs; *d; d++) 4109 snd_hda_codec_cleanup_stream(codec, *d); 4110 } 4111 } 4112 4113 /** 4114 * snd_hda_bus_reboot_notify - call the reboot notifier of each codec 4115 * @bus: HD-audio bus 4116 */ 4117 void snd_hda_bus_reboot_notify(struct hda_bus *bus) 4118 { 4119 struct hda_codec *codec; 4120 4121 if (!bus) 4122 return; 4123 list_for_each_entry(codec, &bus->codec_list, list) { 4124 #ifdef CONFIG_SND_HDA_POWER_SAVE 4125 if (!codec->power_on) 4126 continue; 4127 #endif 4128 if (codec->patch_ops.reboot_notify) 4129 codec->patch_ops.reboot_notify(codec); 4130 } 4131 } 4132 EXPORT_SYMBOL_HDA(snd_hda_bus_reboot_notify); 4133 4134 /** 4135 * snd_hda_multi_out_dig_open - open the digital out in the exclusive mode 4136 */ 4137 int snd_hda_multi_out_dig_open(struct hda_codec *codec, 4138 struct hda_multi_out *mout) 4139 { 4140 mutex_lock(&codec->spdif_mutex); 4141 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP) 4142 /* already opened as analog dup; reset it once */ 4143 cleanup_dig_out_stream(codec, mout->dig_out_nid); 4144 mout->dig_out_used = HDA_DIG_EXCLUSIVE; 4145 mutex_unlock(&codec->spdif_mutex); 4146 return 0; 4147 } 4148 EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_open); 4149 4150 /** 4151 * snd_hda_multi_out_dig_prepare - prepare the digital out stream 4152 */ 4153 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec, 4154 struct hda_multi_out *mout, 4155 unsigned int stream_tag, 4156 unsigned int format, 4157 struct snd_pcm_substream *substream) 4158 { 4159 mutex_lock(&codec->spdif_mutex); 4160 setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format); 4161 mutex_unlock(&codec->spdif_mutex); 4162 return 0; 4163 } 4164 EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_prepare); 4165 4166 /** 4167 * snd_hda_multi_out_dig_cleanup - clean-up the digital out stream 4168 */ 4169 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec, 4170 struct hda_multi_out *mout) 4171 { 4172 mutex_lock(&codec->spdif_mutex); 4173 cleanup_dig_out_stream(codec, mout->dig_out_nid); 4174 mutex_unlock(&codec->spdif_mutex); 4175 return 0; 4176 } 4177 EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_cleanup); 4178 4179 /** 4180 * snd_hda_multi_out_dig_close - release the digital out stream 4181 */ 4182 int snd_hda_multi_out_dig_close(struct hda_codec *codec, 4183 struct hda_multi_out *mout) 4184 { 4185 mutex_lock(&codec->spdif_mutex); 4186 mout->dig_out_used = 0; 4187 mutex_unlock(&codec->spdif_mutex); 4188 return 0; 4189 } 4190 EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_close); 4191 4192 /** 4193 * snd_hda_multi_out_analog_open - open analog outputs 4194 * 4195 * Open analog outputs and set up the hw-constraints. 4196 * If the digital outputs can be opened as slave, open the digital 4197 * outputs, too. 4198 */ 4199 int snd_hda_multi_out_analog_open(struct hda_codec *codec, 4200 struct hda_multi_out *mout, 4201 struct snd_pcm_substream *substream, 4202 struct hda_pcm_stream *hinfo) 4203 { 4204 struct snd_pcm_runtime *runtime = substream->runtime; 4205 runtime->hw.channels_max = mout->max_channels; 4206 if (mout->dig_out_nid) { 4207 if (!mout->analog_rates) { 4208 mout->analog_rates = hinfo->rates; 4209 mout->analog_formats = hinfo->formats; 4210 mout->analog_maxbps = hinfo->maxbps; 4211 } else { 4212 runtime->hw.rates = mout->analog_rates; 4213 runtime->hw.formats = mout->analog_formats; 4214 hinfo->maxbps = mout->analog_maxbps; 4215 } 4216 if (!mout->spdif_rates) { 4217 snd_hda_query_supported_pcm(codec, mout->dig_out_nid, 4218 &mout->spdif_rates, 4219 &mout->spdif_formats, 4220 &mout->spdif_maxbps); 4221 } 4222 mutex_lock(&codec->spdif_mutex); 4223 if (mout->share_spdif) { 4224 if ((runtime->hw.rates & mout->spdif_rates) && 4225 (runtime->hw.formats & mout->spdif_formats)) { 4226 runtime->hw.rates &= mout->spdif_rates; 4227 runtime->hw.formats &= mout->spdif_formats; 4228 if (mout->spdif_maxbps < hinfo->maxbps) 4229 hinfo->maxbps = mout->spdif_maxbps; 4230 } else { 4231 mout->share_spdif = 0; 4232 /* FIXME: need notify? */ 4233 } 4234 } 4235 mutex_unlock(&codec->spdif_mutex); 4236 } 4237 return snd_pcm_hw_constraint_step(substream->runtime, 0, 4238 SNDRV_PCM_HW_PARAM_CHANNELS, 2); 4239 } 4240 EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_open); 4241 4242 /** 4243 * snd_hda_multi_out_analog_prepare - Preapre the analog outputs. 4244 * 4245 * Set up the i/o for analog out. 4246 * When the digital out is available, copy the front out to digital out, too. 4247 */ 4248 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, 4249 struct hda_multi_out *mout, 4250 unsigned int stream_tag, 4251 unsigned int format, 4252 struct snd_pcm_substream *substream) 4253 { 4254 hda_nid_t *nids = mout->dac_nids; 4255 int chs = substream->runtime->channels; 4256 int i; 4257 4258 mutex_lock(&codec->spdif_mutex); 4259 if (mout->dig_out_nid && mout->share_spdif && 4260 mout->dig_out_used != HDA_DIG_EXCLUSIVE) { 4261 if (chs == 2 && 4262 snd_hda_is_supported_format(codec, mout->dig_out_nid, 4263 format) && 4264 !(codec->spdif_status & IEC958_AES0_NONAUDIO)) { 4265 mout->dig_out_used = HDA_DIG_ANALOG_DUP; 4266 setup_dig_out_stream(codec, mout->dig_out_nid, 4267 stream_tag, format); 4268 } else { 4269 mout->dig_out_used = 0; 4270 cleanup_dig_out_stream(codec, mout->dig_out_nid); 4271 } 4272 } 4273 mutex_unlock(&codec->spdif_mutex); 4274 4275 /* front */ 4276 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag, 4277 0, format); 4278 if (!mout->no_share_stream && 4279 mout->hp_nid && mout->hp_nid != nids[HDA_FRONT]) 4280 /* headphone out will just decode front left/right (stereo) */ 4281 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag, 4282 0, format); 4283 /* extra outputs copied from front */ 4284 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) 4285 if (!mout->no_share_stream && mout->extra_out_nid[i]) 4286 snd_hda_codec_setup_stream(codec, 4287 mout->extra_out_nid[i], 4288 stream_tag, 0, format); 4289 4290 /* surrounds */ 4291 for (i = 1; i < mout->num_dacs; i++) { 4292 if (chs >= (i + 1) * 2) /* independent out */ 4293 snd_hda_codec_setup_stream(codec, nids[i], stream_tag, 4294 i * 2, format); 4295 else if (!mout->no_share_stream) /* copy front */ 4296 snd_hda_codec_setup_stream(codec, nids[i], stream_tag, 4297 0, format); 4298 } 4299 return 0; 4300 } 4301 EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_prepare); 4302 4303 /** 4304 * snd_hda_multi_out_analog_cleanup - clean up the setting for analog out 4305 */ 4306 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec, 4307 struct hda_multi_out *mout) 4308 { 4309 hda_nid_t *nids = mout->dac_nids; 4310 int i; 4311 4312 for (i = 0; i < mout->num_dacs; i++) 4313 snd_hda_codec_cleanup_stream(codec, nids[i]); 4314 if (mout->hp_nid) 4315 snd_hda_codec_cleanup_stream(codec, mout->hp_nid); 4316 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) 4317 if (mout->extra_out_nid[i]) 4318 snd_hda_codec_cleanup_stream(codec, 4319 mout->extra_out_nid[i]); 4320 mutex_lock(&codec->spdif_mutex); 4321 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) { 4322 cleanup_dig_out_stream(codec, mout->dig_out_nid); 4323 mout->dig_out_used = 0; 4324 } 4325 mutex_unlock(&codec->spdif_mutex); 4326 return 0; 4327 } 4328 EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_cleanup); 4329 4330 /* 4331 * Helper for automatic pin configuration 4332 */ 4333 4334 static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list) 4335 { 4336 for (; *list; list++) 4337 if (*list == nid) 4338 return 1; 4339 return 0; 4340 } 4341 4342 4343 /* 4344 * Sort an associated group of pins according to their sequence numbers. 4345 */ 4346 static void sort_pins_by_sequence(hda_nid_t *pins, short *sequences, 4347 int num_pins) 4348 { 4349 int i, j; 4350 short seq; 4351 hda_nid_t nid; 4352 4353 for (i = 0; i < num_pins; i++) { 4354 for (j = i + 1; j < num_pins; j++) { 4355 if (sequences[i] > sequences[j]) { 4356 seq = sequences[i]; 4357 sequences[i] = sequences[j]; 4358 sequences[j] = seq; 4359 nid = pins[i]; 4360 pins[i] = pins[j]; 4361 pins[j] = nid; 4362 } 4363 } 4364 } 4365 } 4366 4367 4368 /* 4369 * Parse all pin widgets and store the useful pin nids to cfg 4370 * 4371 * The number of line-outs or any primary output is stored in line_outs, 4372 * and the corresponding output pins are assigned to line_out_pins[], 4373 * in the order of front, rear, CLFE, side, ... 4374 * 4375 * If more extra outputs (speaker and headphone) are found, the pins are 4376 * assisnged to hp_pins[] and speaker_pins[], respectively. If no line-out jack 4377 * is detected, one of speaker of HP pins is assigned as the primary 4378 * output, i.e. to line_out_pins[0]. So, line_outs is always positive 4379 * if any analog output exists. 4380 * 4381 * The analog input pins are assigned to input_pins array. 4382 * The digital input/output pins are assigned to dig_in_pin and dig_out_pin, 4383 * respectively. 4384 */ 4385 int snd_hda_parse_pin_def_config(struct hda_codec *codec, 4386 struct auto_pin_cfg *cfg, 4387 hda_nid_t *ignore_nids) 4388 { 4389 hda_nid_t nid, end_nid; 4390 short seq, assoc_line_out, assoc_speaker; 4391 short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)]; 4392 short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)]; 4393 short sequences_hp[ARRAY_SIZE(cfg->hp_pins)]; 4394 4395 memset(cfg, 0, sizeof(*cfg)); 4396 4397 memset(sequences_line_out, 0, sizeof(sequences_line_out)); 4398 memset(sequences_speaker, 0, sizeof(sequences_speaker)); 4399 memset(sequences_hp, 0, sizeof(sequences_hp)); 4400 assoc_line_out = assoc_speaker = 0; 4401 4402 end_nid = codec->start_nid + codec->num_nodes; 4403 for (nid = codec->start_nid; nid < end_nid; nid++) { 4404 unsigned int wid_caps = get_wcaps(codec, nid); 4405 unsigned int wid_type = get_wcaps_type(wid_caps); 4406 unsigned int def_conf; 4407 short assoc, loc; 4408 4409 /* read all default configuration for pin complex */ 4410 if (wid_type != AC_WID_PIN) 4411 continue; 4412 /* ignore the given nids (e.g. pc-beep returns error) */ 4413 if (ignore_nids && is_in_nid_list(nid, ignore_nids)) 4414 continue; 4415 4416 def_conf = snd_hda_codec_get_pincfg(codec, nid); 4417 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE) 4418 continue; 4419 loc = get_defcfg_location(def_conf); 4420 switch (get_defcfg_device(def_conf)) { 4421 case AC_JACK_LINE_OUT: 4422 seq = get_defcfg_sequence(def_conf); 4423 assoc = get_defcfg_association(def_conf); 4424 4425 if (!(wid_caps & AC_WCAP_STEREO)) 4426 if (!cfg->mono_out_pin) 4427 cfg->mono_out_pin = nid; 4428 if (!assoc) 4429 continue; 4430 if (!assoc_line_out) 4431 assoc_line_out = assoc; 4432 else if (assoc_line_out != assoc) 4433 continue; 4434 if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins)) 4435 continue; 4436 cfg->line_out_pins[cfg->line_outs] = nid; 4437 sequences_line_out[cfg->line_outs] = seq; 4438 cfg->line_outs++; 4439 break; 4440 case AC_JACK_SPEAKER: 4441 seq = get_defcfg_sequence(def_conf); 4442 assoc = get_defcfg_association(def_conf); 4443 if (!assoc) 4444 continue; 4445 if (!assoc_speaker) 4446 assoc_speaker = assoc; 4447 else if (assoc_speaker != assoc) 4448 continue; 4449 if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins)) 4450 continue; 4451 cfg->speaker_pins[cfg->speaker_outs] = nid; 4452 sequences_speaker[cfg->speaker_outs] = seq; 4453 cfg->speaker_outs++; 4454 break; 4455 case AC_JACK_HP_OUT: 4456 seq = get_defcfg_sequence(def_conf); 4457 assoc = get_defcfg_association(def_conf); 4458 if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins)) 4459 continue; 4460 cfg->hp_pins[cfg->hp_outs] = nid; 4461 sequences_hp[cfg->hp_outs] = (assoc << 4) | seq; 4462 cfg->hp_outs++; 4463 break; 4464 case AC_JACK_MIC_IN: { 4465 int preferred, alt; 4466 if (loc == AC_JACK_LOC_FRONT || 4467 (loc & 0x30) == AC_JACK_LOC_INTERNAL) { 4468 preferred = AUTO_PIN_FRONT_MIC; 4469 alt = AUTO_PIN_MIC; 4470 } else { 4471 preferred = AUTO_PIN_MIC; 4472 alt = AUTO_PIN_FRONT_MIC; 4473 } 4474 if (!cfg->input_pins[preferred]) 4475 cfg->input_pins[preferred] = nid; 4476 else if (!cfg->input_pins[alt]) 4477 cfg->input_pins[alt] = nid; 4478 break; 4479 } 4480 case AC_JACK_LINE_IN: 4481 if (loc == AC_JACK_LOC_FRONT) 4482 cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid; 4483 else 4484 cfg->input_pins[AUTO_PIN_LINE] = nid; 4485 break; 4486 case AC_JACK_CD: 4487 cfg->input_pins[AUTO_PIN_CD] = nid; 4488 break; 4489 case AC_JACK_AUX: 4490 cfg->input_pins[AUTO_PIN_AUX] = nid; 4491 break; 4492 case AC_JACK_SPDIF_OUT: 4493 case AC_JACK_DIG_OTHER_OUT: 4494 if (cfg->dig_outs >= ARRAY_SIZE(cfg->dig_out_pins)) 4495 continue; 4496 cfg->dig_out_pins[cfg->dig_outs] = nid; 4497 cfg->dig_out_type[cfg->dig_outs] = 4498 (loc == AC_JACK_LOC_HDMI) ? 4499 HDA_PCM_TYPE_HDMI : HDA_PCM_TYPE_SPDIF; 4500 cfg->dig_outs++; 4501 break; 4502 case AC_JACK_SPDIF_IN: 4503 case AC_JACK_DIG_OTHER_IN: 4504 cfg->dig_in_pin = nid; 4505 if (loc == AC_JACK_LOC_HDMI) 4506 cfg->dig_in_type = HDA_PCM_TYPE_HDMI; 4507 else 4508 cfg->dig_in_type = HDA_PCM_TYPE_SPDIF; 4509 break; 4510 } 4511 } 4512 4513 /* FIX-UP: 4514 * If no line-out is defined but multiple HPs are found, 4515 * some of them might be the real line-outs. 4516 */ 4517 if (!cfg->line_outs && cfg->hp_outs > 1) { 4518 int i = 0; 4519 while (i < cfg->hp_outs) { 4520 /* The real HPs should have the sequence 0x0f */ 4521 if ((sequences_hp[i] & 0x0f) == 0x0f) { 4522 i++; 4523 continue; 4524 } 4525 /* Move it to the line-out table */ 4526 cfg->line_out_pins[cfg->line_outs] = cfg->hp_pins[i]; 4527 sequences_line_out[cfg->line_outs] = sequences_hp[i]; 4528 cfg->line_outs++; 4529 cfg->hp_outs--; 4530 memmove(cfg->hp_pins + i, cfg->hp_pins + i + 1, 4531 sizeof(cfg->hp_pins[0]) * (cfg->hp_outs - i)); 4532 memmove(sequences_hp + i - 1, sequences_hp + i, 4533 sizeof(sequences_hp[0]) * (cfg->hp_outs - i)); 4534 } 4535 } 4536 4537 /* sort by sequence */ 4538 sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out, 4539 cfg->line_outs); 4540 sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker, 4541 cfg->speaker_outs); 4542 sort_pins_by_sequence(cfg->hp_pins, sequences_hp, 4543 cfg->hp_outs); 4544 4545 /* if we have only one mic, make it AUTO_PIN_MIC */ 4546 if (!cfg->input_pins[AUTO_PIN_MIC] && 4547 cfg->input_pins[AUTO_PIN_FRONT_MIC]) { 4548 cfg->input_pins[AUTO_PIN_MIC] = 4549 cfg->input_pins[AUTO_PIN_FRONT_MIC]; 4550 cfg->input_pins[AUTO_PIN_FRONT_MIC] = 0; 4551 } 4552 /* ditto for line-in */ 4553 if (!cfg->input_pins[AUTO_PIN_LINE] && 4554 cfg->input_pins[AUTO_PIN_FRONT_LINE]) { 4555 cfg->input_pins[AUTO_PIN_LINE] = 4556 cfg->input_pins[AUTO_PIN_FRONT_LINE]; 4557 cfg->input_pins[AUTO_PIN_FRONT_LINE] = 0; 4558 } 4559 4560 /* 4561 * FIX-UP: if no line-outs are detected, try to use speaker or HP pin 4562 * as a primary output 4563 */ 4564 if (!cfg->line_outs) { 4565 if (cfg->speaker_outs) { 4566 cfg->line_outs = cfg->speaker_outs; 4567 memcpy(cfg->line_out_pins, cfg->speaker_pins, 4568 sizeof(cfg->speaker_pins)); 4569 cfg->speaker_outs = 0; 4570 memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins)); 4571 cfg->line_out_type = AUTO_PIN_SPEAKER_OUT; 4572 } else if (cfg->hp_outs) { 4573 cfg->line_outs = cfg->hp_outs; 4574 memcpy(cfg->line_out_pins, cfg->hp_pins, 4575 sizeof(cfg->hp_pins)); 4576 cfg->hp_outs = 0; 4577 memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins)); 4578 cfg->line_out_type = AUTO_PIN_HP_OUT; 4579 } 4580 } 4581 4582 /* Reorder the surround channels 4583 * ALSA sequence is front/surr/clfe/side 4584 * HDA sequence is: 4585 * 4-ch: front/surr => OK as it is 4586 * 6-ch: front/clfe/surr 4587 * 8-ch: front/clfe/rear/side|fc 4588 */ 4589 switch (cfg->line_outs) { 4590 case 3: 4591 case 4: 4592 nid = cfg->line_out_pins[1]; 4593 cfg->line_out_pins[1] = cfg->line_out_pins[2]; 4594 cfg->line_out_pins[2] = nid; 4595 break; 4596 } 4597 4598 /* 4599 * debug prints of the parsed results 4600 */ 4601 snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n", 4602 cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1], 4603 cfg->line_out_pins[2], cfg->line_out_pins[3], 4604 cfg->line_out_pins[4]); 4605 snd_printd(" speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n", 4606 cfg->speaker_outs, cfg->speaker_pins[0], 4607 cfg->speaker_pins[1], cfg->speaker_pins[2], 4608 cfg->speaker_pins[3], cfg->speaker_pins[4]); 4609 snd_printd(" hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n", 4610 cfg->hp_outs, cfg->hp_pins[0], 4611 cfg->hp_pins[1], cfg->hp_pins[2], 4612 cfg->hp_pins[3], cfg->hp_pins[4]); 4613 snd_printd(" mono: mono_out=0x%x\n", cfg->mono_out_pin); 4614 if (cfg->dig_outs) 4615 snd_printd(" dig-out=0x%x/0x%x\n", 4616 cfg->dig_out_pins[0], cfg->dig_out_pins[1]); 4617 snd_printd(" inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x," 4618 " cd=0x%x, aux=0x%x\n", 4619 cfg->input_pins[AUTO_PIN_MIC], 4620 cfg->input_pins[AUTO_PIN_FRONT_MIC], 4621 cfg->input_pins[AUTO_PIN_LINE], 4622 cfg->input_pins[AUTO_PIN_FRONT_LINE], 4623 cfg->input_pins[AUTO_PIN_CD], 4624 cfg->input_pins[AUTO_PIN_AUX]); 4625 if (cfg->dig_in_pin) 4626 snd_printd(" dig-in=0x%x\n", cfg->dig_in_pin); 4627 4628 return 0; 4629 } 4630 EXPORT_SYMBOL_HDA(snd_hda_parse_pin_def_config); 4631 4632 /* labels for input pins */ 4633 const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = { 4634 "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux" 4635 }; 4636 EXPORT_SYMBOL_HDA(auto_pin_cfg_labels); 4637 4638 4639 #ifdef CONFIG_PM 4640 /* 4641 * power management 4642 */ 4643 4644 /** 4645 * snd_hda_suspend - suspend the codecs 4646 * @bus: the HDA bus 4647 * 4648 * Returns 0 if successful. 4649 */ 4650 int snd_hda_suspend(struct hda_bus *bus) 4651 { 4652 struct hda_codec *codec; 4653 4654 list_for_each_entry(codec, &bus->codec_list, list) { 4655 #ifdef CONFIG_SND_HDA_POWER_SAVE 4656 if (!codec->power_on) 4657 continue; 4658 #endif 4659 hda_call_codec_suspend(codec); 4660 } 4661 return 0; 4662 } 4663 EXPORT_SYMBOL_HDA(snd_hda_suspend); 4664 4665 /** 4666 * snd_hda_resume - resume the codecs 4667 * @bus: the HDA bus 4668 * 4669 * Returns 0 if successful. 4670 * 4671 * This fucntion is defined only when POWER_SAVE isn't set. 4672 * In the power-save mode, the codec is resumed dynamically. 4673 */ 4674 int snd_hda_resume(struct hda_bus *bus) 4675 { 4676 struct hda_codec *codec; 4677 4678 list_for_each_entry(codec, &bus->codec_list, list) { 4679 if (snd_hda_codec_needs_resume(codec)) 4680 hda_call_codec_resume(codec); 4681 } 4682 return 0; 4683 } 4684 EXPORT_SYMBOL_HDA(snd_hda_resume); 4685 #endif /* CONFIG_PM */ 4686 4687 /* 4688 * generic arrays 4689 */ 4690 4691 /** 4692 * snd_array_new - get a new element from the given array 4693 * @array: the array object 4694 * 4695 * Get a new element from the given array. If it exceeds the 4696 * pre-allocated array size, re-allocate the array. 4697 * 4698 * Returns NULL if allocation failed. 4699 */ 4700 void *snd_array_new(struct snd_array *array) 4701 { 4702 if (array->used >= array->alloced) { 4703 int num = array->alloced + array->alloc_align; 4704 void *nlist; 4705 if (snd_BUG_ON(num >= 4096)) 4706 return NULL; 4707 nlist = kcalloc(num + 1, array->elem_size, GFP_KERNEL); 4708 if (!nlist) 4709 return NULL; 4710 if (array->list) { 4711 memcpy(nlist, array->list, 4712 array->elem_size * array->alloced); 4713 kfree(array->list); 4714 } 4715 array->list = nlist; 4716 array->alloced = num; 4717 } 4718 return snd_array_elem(array, array->used++); 4719 } 4720 EXPORT_SYMBOL_HDA(snd_array_new); 4721 4722 /** 4723 * snd_array_free - free the given array elements 4724 * @array: the array object 4725 */ 4726 void snd_array_free(struct snd_array *array) 4727 { 4728 kfree(array->list); 4729 array->used = 0; 4730 array->alloced = 0; 4731 array->list = NULL; 4732 } 4733 EXPORT_SYMBOL_HDA(snd_array_free); 4734 4735 /** 4736 * snd_print_pcm_rates - Print the supported PCM rates to the string buffer 4737 * @pcm: PCM caps bits 4738 * @buf: the string buffer to write 4739 * @buflen: the max buffer length 4740 * 4741 * used by hda_proc.c and hda_eld.c 4742 */ 4743 void snd_print_pcm_rates(int pcm, char *buf, int buflen) 4744 { 4745 static unsigned int rates[] = { 4746 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200, 4747 96000, 176400, 192000, 384000 4748 }; 4749 int i, j; 4750 4751 for (i = 0, j = 0; i < ARRAY_SIZE(rates); i++) 4752 if (pcm & (1 << i)) 4753 j += snprintf(buf + j, buflen - j, " %d", rates[i]); 4754 4755 buf[j] = '\0'; /* necessary when j == 0 */ 4756 } 4757 EXPORT_SYMBOL_HDA(snd_print_pcm_rates); 4758 4759 /** 4760 * snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer 4761 * @pcm: PCM caps bits 4762 * @buf: the string buffer to write 4763 * @buflen: the max buffer length 4764 * 4765 * used by hda_proc.c and hda_eld.c 4766 */ 4767 void snd_print_pcm_bits(int pcm, char *buf, int buflen) 4768 { 4769 static unsigned int bits[] = { 8, 16, 20, 24, 32 }; 4770 int i, j; 4771 4772 for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++) 4773 if (pcm & (AC_SUPPCM_BITS_8 << i)) 4774 j += snprintf(buf + j, buflen - j, " %d", bits[i]); 4775 4776 buf[j] = '\0'; /* necessary when j == 0 */ 4777 } 4778 EXPORT_SYMBOL_HDA(snd_print_pcm_bits); 4779 4780 MODULE_DESCRIPTION("HDA codec core"); 4781 MODULE_LICENSE("GPL"); 4782