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 400 "Too many connections\n"); 401 return -EINVAL; 402 } 403 conn_list[conns++] = n; 404 } 405 } else { 406 if (conns >= max_conns) { 407 snd_printk(KERN_ERR "Too many connections\n"); 408 return -EINVAL; 409 } 410 conn_list[conns++] = val; 411 } 412 prev_nid = val; 413 } 414 return conns; 415 } 416 EXPORT_SYMBOL_HDA(snd_hda_get_connections); 417 418 419 /** 420 * snd_hda_queue_unsol_event - add an unsolicited event to queue 421 * @bus: the BUS 422 * @res: unsolicited event (lower 32bit of RIRB entry) 423 * @res_ex: codec addr and flags (upper 32bit or RIRB entry) 424 * 425 * Adds the given event to the queue. The events are processed in 426 * the workqueue asynchronously. Call this function in the interrupt 427 * hanlder when RIRB receives an unsolicited event. 428 * 429 * Returns 0 if successful, or a negative error code. 430 */ 431 int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex) 432 { 433 struct hda_bus_unsolicited *unsol; 434 unsigned int wp; 435 436 unsol = bus->unsol; 437 if (!unsol) 438 return 0; 439 440 wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE; 441 unsol->wp = wp; 442 443 wp <<= 1; 444 unsol->queue[wp] = res; 445 unsol->queue[wp + 1] = res_ex; 446 447 queue_work(bus->workq, &unsol->work); 448 449 return 0; 450 } 451 EXPORT_SYMBOL_HDA(snd_hda_queue_unsol_event); 452 453 /* 454 * process queued unsolicited events 455 */ 456 static void process_unsol_events(struct work_struct *work) 457 { 458 struct hda_bus_unsolicited *unsol = 459 container_of(work, struct hda_bus_unsolicited, work); 460 struct hda_bus *bus = unsol->bus; 461 struct hda_codec *codec; 462 unsigned int rp, caddr, res; 463 464 while (unsol->rp != unsol->wp) { 465 rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE; 466 unsol->rp = rp; 467 rp <<= 1; 468 res = unsol->queue[rp]; 469 caddr = unsol->queue[rp + 1]; 470 if (!(caddr & (1 << 4))) /* no unsolicited event? */ 471 continue; 472 codec = bus->caddr_tbl[caddr & 0x0f]; 473 if (codec && codec->patch_ops.unsol_event) 474 codec->patch_ops.unsol_event(codec, res); 475 } 476 } 477 478 /* 479 * initialize unsolicited queue 480 */ 481 static int init_unsol_queue(struct hda_bus *bus) 482 { 483 struct hda_bus_unsolicited *unsol; 484 485 if (bus->unsol) /* already initialized */ 486 return 0; 487 488 unsol = kzalloc(sizeof(*unsol), GFP_KERNEL); 489 if (!unsol) { 490 snd_printk(KERN_ERR "hda_codec: " 491 "can't allocate unsolicited queue\n"); 492 return -ENOMEM; 493 } 494 INIT_WORK(&unsol->work, process_unsol_events); 495 unsol->bus = bus; 496 bus->unsol = unsol; 497 return 0; 498 } 499 500 /* 501 * destructor 502 */ 503 static void snd_hda_codec_free(struct hda_codec *codec); 504 505 static int snd_hda_bus_free(struct hda_bus *bus) 506 { 507 struct hda_codec *codec, *n; 508 509 if (!bus) 510 return 0; 511 if (bus->workq) 512 flush_workqueue(bus->workq); 513 if (bus->unsol) 514 kfree(bus->unsol); 515 list_for_each_entry_safe(codec, n, &bus->codec_list, list) { 516 snd_hda_codec_free(codec); 517 } 518 if (bus->ops.private_free) 519 bus->ops.private_free(bus); 520 if (bus->workq) 521 destroy_workqueue(bus->workq); 522 kfree(bus); 523 return 0; 524 } 525 526 static int snd_hda_bus_dev_free(struct snd_device *device) 527 { 528 struct hda_bus *bus = device->device_data; 529 bus->shutdown = 1; 530 return snd_hda_bus_free(bus); 531 } 532 533 #ifdef CONFIG_SND_HDA_HWDEP 534 static int snd_hda_bus_dev_register(struct snd_device *device) 535 { 536 struct hda_bus *bus = device->device_data; 537 struct hda_codec *codec; 538 list_for_each_entry(codec, &bus->codec_list, list) { 539 snd_hda_hwdep_add_sysfs(codec); 540 snd_hda_hwdep_add_power_sysfs(codec); 541 } 542 return 0; 543 } 544 #else 545 #define snd_hda_bus_dev_register NULL 546 #endif 547 548 /** 549 * snd_hda_bus_new - create a HDA bus 550 * @card: the card entry 551 * @temp: the template for hda_bus information 552 * @busp: the pointer to store the created bus instance 553 * 554 * Returns 0 if successful, or a negative error code. 555 */ 556 int /*__devinit*/ snd_hda_bus_new(struct snd_card *card, 557 const struct hda_bus_template *temp, 558 struct hda_bus **busp) 559 { 560 struct hda_bus *bus; 561 int err; 562 static struct snd_device_ops dev_ops = { 563 .dev_register = snd_hda_bus_dev_register, 564 .dev_free = snd_hda_bus_dev_free, 565 }; 566 567 if (snd_BUG_ON(!temp)) 568 return -EINVAL; 569 if (snd_BUG_ON(!temp->ops.command || !temp->ops.get_response)) 570 return -EINVAL; 571 572 if (busp) 573 *busp = NULL; 574 575 bus = kzalloc(sizeof(*bus), GFP_KERNEL); 576 if (bus == NULL) { 577 snd_printk(KERN_ERR "can't allocate struct hda_bus\n"); 578 return -ENOMEM; 579 } 580 581 bus->card = card; 582 bus->private_data = temp->private_data; 583 bus->pci = temp->pci; 584 bus->modelname = temp->modelname; 585 bus->power_save = temp->power_save; 586 bus->ops = temp->ops; 587 588 mutex_init(&bus->cmd_mutex); 589 INIT_LIST_HEAD(&bus->codec_list); 590 591 snprintf(bus->workq_name, sizeof(bus->workq_name), 592 "hd-audio%d", card->number); 593 bus->workq = create_singlethread_workqueue(bus->workq_name); 594 if (!bus->workq) { 595 snd_printk(KERN_ERR "cannot create workqueue %s\n", 596 bus->workq_name); 597 kfree(bus); 598 return -ENOMEM; 599 } 600 601 err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops); 602 if (err < 0) { 603 snd_hda_bus_free(bus); 604 return err; 605 } 606 if (busp) 607 *busp = bus; 608 return 0; 609 } 610 EXPORT_SYMBOL_HDA(snd_hda_bus_new); 611 612 #ifdef CONFIG_SND_HDA_GENERIC 613 #define is_generic_config(codec) \ 614 (codec->modelname && !strcmp(codec->modelname, "generic")) 615 #else 616 #define is_generic_config(codec) 0 617 #endif 618 619 #ifdef MODULE 620 #define HDA_MODREQ_MAX_COUNT 2 /* two request_modules()'s */ 621 #else 622 #define HDA_MODREQ_MAX_COUNT 0 /* all presets are statically linked */ 623 #endif 624 625 /* 626 * find a matching codec preset 627 */ 628 static const struct hda_codec_preset * 629 find_codec_preset(struct hda_codec *codec) 630 { 631 struct hda_codec_preset_list *tbl; 632 const struct hda_codec_preset *preset; 633 int mod_requested = 0; 634 635 if (is_generic_config(codec)) 636 return NULL; /* use the generic parser */ 637 638 again: 639 mutex_lock(&preset_mutex); 640 list_for_each_entry(tbl, &hda_preset_tables, list) { 641 if (!try_module_get(tbl->owner)) { 642 snd_printk(KERN_ERR "hda_codec: cannot module_get\n"); 643 continue; 644 } 645 for (preset = tbl->preset; preset->id; preset++) { 646 u32 mask = preset->mask; 647 if (preset->afg && preset->afg != codec->afg) 648 continue; 649 if (preset->mfg && preset->mfg != codec->mfg) 650 continue; 651 if (!mask) 652 mask = ~0; 653 if (preset->id == (codec->vendor_id & mask) && 654 (!preset->rev || 655 preset->rev == codec->revision_id)) { 656 mutex_unlock(&preset_mutex); 657 codec->owner = tbl->owner; 658 return preset; 659 } 660 } 661 module_put(tbl->owner); 662 } 663 mutex_unlock(&preset_mutex); 664 665 if (mod_requested < HDA_MODREQ_MAX_COUNT) { 666 char name[32]; 667 if (!mod_requested) 668 snprintf(name, sizeof(name), "snd-hda-codec-id:%08x", 669 codec->vendor_id); 670 else 671 snprintf(name, sizeof(name), "snd-hda-codec-id:%04x*", 672 (codec->vendor_id >> 16) & 0xffff); 673 request_module(name); 674 mod_requested++; 675 goto again; 676 } 677 return NULL; 678 } 679 680 /* 681 * get_codec_name - store the codec name 682 */ 683 static int get_codec_name(struct hda_codec *codec) 684 { 685 const struct hda_vendor_id *c; 686 const char *vendor = NULL; 687 u16 vendor_id = codec->vendor_id >> 16; 688 char tmp[16]; 689 690 if (codec->vendor_name) 691 goto get_chip_name; 692 693 for (c = hda_vendor_ids; c->id; c++) { 694 if (c->id == vendor_id) { 695 vendor = c->name; 696 break; 697 } 698 } 699 if (!vendor) { 700 sprintf(tmp, "Generic %04x", vendor_id); 701 vendor = tmp; 702 } 703 codec->vendor_name = kstrdup(vendor, GFP_KERNEL); 704 if (!codec->vendor_name) 705 return -ENOMEM; 706 707 get_chip_name: 708 if (codec->chip_name) 709 return 0; 710 711 if (codec->preset && codec->preset->name) 712 codec->chip_name = kstrdup(codec->preset->name, GFP_KERNEL); 713 else { 714 sprintf(tmp, "ID %x", codec->vendor_id & 0xffff); 715 codec->chip_name = kstrdup(tmp, GFP_KERNEL); 716 } 717 if (!codec->chip_name) 718 return -ENOMEM; 719 return 0; 720 } 721 722 /* 723 * look for an AFG and MFG nodes 724 */ 725 static void /*__devinit*/ setup_fg_nodes(struct hda_codec *codec) 726 { 727 int i, total_nodes, function_id; 728 hda_nid_t nid; 729 730 total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid); 731 for (i = 0; i < total_nodes; i++, nid++) { 732 function_id = snd_hda_param_read(codec, nid, 733 AC_PAR_FUNCTION_TYPE) & 0xff; 734 switch (function_id) { 735 case AC_GRP_AUDIO_FUNCTION: 736 codec->afg = nid; 737 codec->function_id = function_id; 738 break; 739 case AC_GRP_MODEM_FUNCTION: 740 codec->mfg = nid; 741 codec->function_id = function_id; 742 break; 743 default: 744 break; 745 } 746 } 747 } 748 749 /* 750 * read widget caps for each widget and store in cache 751 */ 752 static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node) 753 { 754 int i; 755 hda_nid_t nid; 756 757 codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node, 758 &codec->start_nid); 759 codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL); 760 if (!codec->wcaps) 761 return -ENOMEM; 762 nid = codec->start_nid; 763 for (i = 0; i < codec->num_nodes; i++, nid++) 764 codec->wcaps[i] = snd_hda_param_read(codec, nid, 765 AC_PAR_AUDIO_WIDGET_CAP); 766 return 0; 767 } 768 769 /* read all pin default configurations and save codec->init_pins */ 770 static int read_pin_defaults(struct hda_codec *codec) 771 { 772 int i; 773 hda_nid_t nid = codec->start_nid; 774 775 for (i = 0; i < codec->num_nodes; i++, nid++) { 776 struct hda_pincfg *pin; 777 unsigned int wcaps = get_wcaps(codec, nid); 778 unsigned int wid_type = get_wcaps_type(wcaps); 779 if (wid_type != AC_WID_PIN) 780 continue; 781 pin = snd_array_new(&codec->init_pins); 782 if (!pin) 783 return -ENOMEM; 784 pin->nid = nid; 785 pin->cfg = snd_hda_codec_read(codec, nid, 0, 786 AC_VERB_GET_CONFIG_DEFAULT, 0); 787 } 788 return 0; 789 } 790 791 /* look up the given pin config list and return the item matching with NID */ 792 static struct hda_pincfg *look_up_pincfg(struct hda_codec *codec, 793 struct snd_array *array, 794 hda_nid_t nid) 795 { 796 int i; 797 for (i = 0; i < array->used; i++) { 798 struct hda_pincfg *pin = snd_array_elem(array, i); 799 if (pin->nid == nid) 800 return pin; 801 } 802 return NULL; 803 } 804 805 /* write a config value for the given NID */ 806 static void set_pincfg(struct hda_codec *codec, hda_nid_t nid, 807 unsigned int cfg) 808 { 809 int i; 810 for (i = 0; i < 4; i++) { 811 snd_hda_codec_write(codec, nid, 0, 812 AC_VERB_SET_CONFIG_DEFAULT_BYTES_0 + i, 813 cfg & 0xff); 814 cfg >>= 8; 815 } 816 } 817 818 /* set the current pin config value for the given NID. 819 * the value is cached, and read via snd_hda_codec_get_pincfg() 820 */ 821 int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list, 822 hda_nid_t nid, unsigned int cfg) 823 { 824 struct hda_pincfg *pin; 825 unsigned int oldcfg; 826 827 oldcfg = snd_hda_codec_get_pincfg(codec, nid); 828 pin = look_up_pincfg(codec, list, nid); 829 if (!pin) { 830 pin = snd_array_new(list); 831 if (!pin) 832 return -ENOMEM; 833 pin->nid = nid; 834 } 835 pin->cfg = cfg; 836 837 /* change only when needed; e.g. if the pincfg is already present 838 * in user_pins[], don't write it 839 */ 840 cfg = snd_hda_codec_get_pincfg(codec, nid); 841 if (oldcfg != cfg) 842 set_pincfg(codec, nid, cfg); 843 return 0; 844 } 845 846 /** 847 * snd_hda_codec_set_pincfg - Override a pin default configuration 848 * @codec: the HDA codec 849 * @nid: NID to set the pin config 850 * @cfg: the pin default config value 851 * 852 * Override a pin default configuration value in the cache. 853 * This value can be read by snd_hda_codec_get_pincfg() in a higher 854 * priority than the real hardware value. 855 */ 856 int snd_hda_codec_set_pincfg(struct hda_codec *codec, 857 hda_nid_t nid, unsigned int cfg) 858 { 859 return snd_hda_add_pincfg(codec, &codec->driver_pins, nid, cfg); 860 } 861 EXPORT_SYMBOL_HDA(snd_hda_codec_set_pincfg); 862 863 /** 864 * snd_hda_codec_get_pincfg - Obtain a pin-default configuration 865 * @codec: the HDA codec 866 * @nid: NID to get the pin config 867 * 868 * Get the current pin config value of the given pin NID. 869 * If the pincfg value is cached or overridden via sysfs or driver, 870 * returns the cached value. 871 */ 872 unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid) 873 { 874 struct hda_pincfg *pin; 875 876 #ifdef CONFIG_SND_HDA_HWDEP 877 pin = look_up_pincfg(codec, &codec->user_pins, nid); 878 if (pin) 879 return pin->cfg; 880 #endif 881 pin = look_up_pincfg(codec, &codec->driver_pins, nid); 882 if (pin) 883 return pin->cfg; 884 pin = look_up_pincfg(codec, &codec->init_pins, nid); 885 if (pin) 886 return pin->cfg; 887 return 0; 888 } 889 EXPORT_SYMBOL_HDA(snd_hda_codec_get_pincfg); 890 891 /* restore all current pin configs */ 892 static void restore_pincfgs(struct hda_codec *codec) 893 { 894 int i; 895 for (i = 0; i < codec->init_pins.used; i++) { 896 struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i); 897 set_pincfg(codec, pin->nid, 898 snd_hda_codec_get_pincfg(codec, pin->nid)); 899 } 900 } 901 902 static void init_hda_cache(struct hda_cache_rec *cache, 903 unsigned int record_size); 904 static void free_hda_cache(struct hda_cache_rec *cache); 905 906 /* restore the initial pin cfgs and release all pincfg lists */ 907 static void restore_init_pincfgs(struct hda_codec *codec) 908 { 909 /* first free driver_pins and user_pins, then call restore_pincfg 910 * so that only the values in init_pins are restored 911 */ 912 snd_array_free(&codec->driver_pins); 913 #ifdef CONFIG_SND_HDA_HWDEP 914 snd_array_free(&codec->user_pins); 915 #endif 916 restore_pincfgs(codec); 917 snd_array_free(&codec->init_pins); 918 } 919 920 /* 921 * codec destructor 922 */ 923 static void snd_hda_codec_free(struct hda_codec *codec) 924 { 925 if (!codec) 926 return; 927 restore_init_pincfgs(codec); 928 #ifdef CONFIG_SND_HDA_POWER_SAVE 929 cancel_delayed_work(&codec->power_work); 930 flush_workqueue(codec->bus->workq); 931 #endif 932 list_del(&codec->list); 933 snd_array_free(&codec->mixers); 934 codec->bus->caddr_tbl[codec->addr] = NULL; 935 if (codec->patch_ops.free) 936 codec->patch_ops.free(codec); 937 module_put(codec->owner); 938 free_hda_cache(&codec->amp_cache); 939 free_hda_cache(&codec->cmd_cache); 940 kfree(codec->vendor_name); 941 kfree(codec->chip_name); 942 kfree(codec->modelname); 943 kfree(codec->wcaps); 944 kfree(codec); 945 } 946 947 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg, 948 unsigned int power_state); 949 950 /** 951 * snd_hda_codec_new - create a HDA codec 952 * @bus: the bus to assign 953 * @codec_addr: the codec address 954 * @codecp: the pointer to store the generated codec 955 * 956 * Returns 0 if successful, or a negative error code. 957 */ 958 int /*__devinit*/ snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, 959 struct hda_codec **codecp) 960 { 961 struct hda_codec *codec; 962 char component[31]; 963 int err; 964 965 if (snd_BUG_ON(!bus)) 966 return -EINVAL; 967 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS)) 968 return -EINVAL; 969 970 if (bus->caddr_tbl[codec_addr]) { 971 snd_printk(KERN_ERR "hda_codec: " 972 "address 0x%x is already occupied\n", codec_addr); 973 return -EBUSY; 974 } 975 976 codec = kzalloc(sizeof(*codec), GFP_KERNEL); 977 if (codec == NULL) { 978 snd_printk(KERN_ERR "can't allocate struct hda_codec\n"); 979 return -ENOMEM; 980 } 981 982 codec->bus = bus; 983 codec->addr = codec_addr; 984 mutex_init(&codec->spdif_mutex); 985 mutex_init(&codec->control_mutex); 986 init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info)); 987 init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head)); 988 snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 60); 989 snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16); 990 snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16); 991 if (codec->bus->modelname) { 992 codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL); 993 if (!codec->modelname) { 994 snd_hda_codec_free(codec); 995 return -ENODEV; 996 } 997 } 998 999 #ifdef CONFIG_SND_HDA_POWER_SAVE 1000 INIT_DELAYED_WORK(&codec->power_work, hda_power_work); 1001 /* snd_hda_codec_new() marks the codec as power-up, and leave it as is. 1002 * the caller has to power down appropriatley after initialization 1003 * phase. 1004 */ 1005 hda_keep_power_on(codec); 1006 #endif 1007 1008 list_add_tail(&codec->list, &bus->codec_list); 1009 bus->caddr_tbl[codec_addr] = codec; 1010 1011 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT, 1012 AC_PAR_VENDOR_ID); 1013 if (codec->vendor_id == -1) 1014 /* read again, hopefully the access method was corrected 1015 * in the last read... 1016 */ 1017 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT, 1018 AC_PAR_VENDOR_ID); 1019 codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT, 1020 AC_PAR_SUBSYSTEM_ID); 1021 codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT, 1022 AC_PAR_REV_ID); 1023 1024 setup_fg_nodes(codec); 1025 if (!codec->afg && !codec->mfg) { 1026 snd_printdd("hda_codec: no AFG or MFG node found\n"); 1027 err = -ENODEV; 1028 goto error; 1029 } 1030 1031 err = read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg); 1032 if (err < 0) { 1033 snd_printk(KERN_ERR "hda_codec: cannot malloc\n"); 1034 goto error; 1035 } 1036 err = read_pin_defaults(codec); 1037 if (err < 0) 1038 goto error; 1039 1040 if (!codec->subsystem_id) { 1041 hda_nid_t nid = codec->afg ? codec->afg : codec->mfg; 1042 codec->subsystem_id = 1043 snd_hda_codec_read(codec, nid, 0, 1044 AC_VERB_GET_SUBSYSTEM_ID, 0); 1045 } 1046 1047 /* power-up all before initialization */ 1048 hda_set_power_state(codec, 1049 codec->afg ? codec->afg : codec->mfg, 1050 AC_PWRST_D0); 1051 1052 snd_hda_codec_proc_new(codec); 1053 1054 snd_hda_create_hwdep(codec); 1055 1056 sprintf(component, "HDA:%08x,%08x,%08x", codec->vendor_id, 1057 codec->subsystem_id, codec->revision_id); 1058 snd_component_add(codec->bus->card, component); 1059 1060 if (codecp) 1061 *codecp = codec; 1062 return 0; 1063 1064 error: 1065 snd_hda_codec_free(codec); 1066 return err; 1067 } 1068 EXPORT_SYMBOL_HDA(snd_hda_codec_new); 1069 1070 /** 1071 * snd_hda_codec_configure - (Re-)configure the HD-audio codec 1072 * @codec: the HDA codec 1073 * 1074 * Start parsing of the given codec tree and (re-)initialize the whole 1075 * patch instance. 1076 * 1077 * Returns 0 if successful or a negative error code. 1078 */ 1079 int snd_hda_codec_configure(struct hda_codec *codec) 1080 { 1081 int err; 1082 1083 codec->preset = find_codec_preset(codec); 1084 if (!codec->vendor_name || !codec->chip_name) { 1085 err = get_codec_name(codec); 1086 if (err < 0) 1087 return err; 1088 } 1089 1090 if (is_generic_config(codec)) { 1091 err = snd_hda_parse_generic_codec(codec); 1092 goto patched; 1093 } 1094 if (codec->preset && codec->preset->patch) { 1095 err = codec->preset->patch(codec); 1096 goto patched; 1097 } 1098 1099 /* call the default parser */ 1100 err = snd_hda_parse_generic_codec(codec); 1101 if (err < 0) 1102 printk(KERN_ERR "hda-codec: No codec parser is available\n"); 1103 1104 patched: 1105 if (!err && codec->patch_ops.unsol_event) 1106 err = init_unsol_queue(codec->bus); 1107 /* audio codec should override the mixer name */ 1108 if (!err && (codec->afg || !*codec->bus->card->mixername)) 1109 snprintf(codec->bus->card->mixername, 1110 sizeof(codec->bus->card->mixername), 1111 "%s %s", codec->vendor_name, codec->chip_name); 1112 return err; 1113 } 1114 EXPORT_SYMBOL_HDA(snd_hda_codec_configure); 1115 1116 /** 1117 * snd_hda_codec_setup_stream - set up the codec for streaming 1118 * @codec: the CODEC to set up 1119 * @nid: the NID to set up 1120 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf. 1121 * @channel_id: channel id to pass, zero based. 1122 * @format: stream format. 1123 */ 1124 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, 1125 u32 stream_tag, 1126 int channel_id, int format) 1127 { 1128 if (!nid) 1129 return; 1130 1131 snd_printdd("hda_codec_setup_stream: " 1132 "NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n", 1133 nid, stream_tag, channel_id, format); 1134 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 1135 (stream_tag << 4) | channel_id); 1136 msleep(1); 1137 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format); 1138 } 1139 EXPORT_SYMBOL_HDA(snd_hda_codec_setup_stream); 1140 1141 /** 1142 * snd_hda_codec_cleanup_stream - clean up the codec for closing 1143 * @codec: the CODEC to clean up 1144 * @nid: the NID to clean up 1145 */ 1146 void snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid) 1147 { 1148 if (!nid) 1149 return; 1150 1151 snd_printdd("hda_codec_cleanup_stream: NID=0x%x\n", nid); 1152 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0); 1153 #if 0 /* keep the format */ 1154 msleep(1); 1155 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0); 1156 #endif 1157 } 1158 EXPORT_SYMBOL_HDA(snd_hda_codec_cleanup_stream); 1159 1160 /* 1161 * amp access functions 1162 */ 1163 1164 /* FIXME: more better hash key? */ 1165 #define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24)) 1166 #define HDA_HASH_PINCAP_KEY(nid) (u32)((nid) + (0x02 << 24)) 1167 #define HDA_HASH_PARPCM_KEY(nid) (u32)((nid) + (0x03 << 24)) 1168 #define HDA_HASH_PARSTR_KEY(nid) (u32)((nid) + (0x04 << 24)) 1169 #define INFO_AMP_CAPS (1<<0) 1170 #define INFO_AMP_VOL(ch) (1 << (1 + (ch))) 1171 1172 /* initialize the hash table */ 1173 static void /*__devinit*/ init_hda_cache(struct hda_cache_rec *cache, 1174 unsigned int record_size) 1175 { 1176 memset(cache, 0, sizeof(*cache)); 1177 memset(cache->hash, 0xff, sizeof(cache->hash)); 1178 snd_array_init(&cache->buf, record_size, 64); 1179 } 1180 1181 static void free_hda_cache(struct hda_cache_rec *cache) 1182 { 1183 snd_array_free(&cache->buf); 1184 } 1185 1186 /* query the hash. allocate an entry if not found. */ 1187 static struct hda_cache_head *get_alloc_hash(struct hda_cache_rec *cache, 1188 u32 key) 1189 { 1190 u16 idx = key % (u16)ARRAY_SIZE(cache->hash); 1191 u16 cur = cache->hash[idx]; 1192 struct hda_cache_head *info; 1193 1194 while (cur != 0xffff) { 1195 info = snd_array_elem(&cache->buf, cur); 1196 if (info->key == key) 1197 return info; 1198 cur = info->next; 1199 } 1200 1201 /* add a new hash entry */ 1202 info = snd_array_new(&cache->buf); 1203 if (!info) 1204 return NULL; 1205 cur = snd_array_index(&cache->buf, info); 1206 info->key = key; 1207 info->val = 0; 1208 info->next = cache->hash[idx]; 1209 cache->hash[idx] = cur; 1210 1211 return info; 1212 } 1213 1214 /* query and allocate an amp hash entry */ 1215 static inline struct hda_amp_info * 1216 get_alloc_amp_hash(struct hda_codec *codec, u32 key) 1217 { 1218 return (struct hda_amp_info *)get_alloc_hash(&codec->amp_cache, key); 1219 } 1220 1221 /** 1222 * query_amp_caps - query AMP capabilities 1223 * @codec: the HD-auio codec 1224 * @nid: the NID to query 1225 * @direction: either #HDA_INPUT or #HDA_OUTPUT 1226 * 1227 * Query AMP capabilities for the given widget and direction. 1228 * Returns the obtained capability bits. 1229 * 1230 * When cap bits have been already read, this doesn't read again but 1231 * returns the cached value. 1232 */ 1233 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction) 1234 { 1235 struct hda_amp_info *info; 1236 1237 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0)); 1238 if (!info) 1239 return 0; 1240 if (!(info->head.val & INFO_AMP_CAPS)) { 1241 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD)) 1242 nid = codec->afg; 1243 info->amp_caps = snd_hda_param_read(codec, nid, 1244 direction == HDA_OUTPUT ? 1245 AC_PAR_AMP_OUT_CAP : 1246 AC_PAR_AMP_IN_CAP); 1247 if (info->amp_caps) 1248 info->head.val |= INFO_AMP_CAPS; 1249 } 1250 return info->amp_caps; 1251 } 1252 EXPORT_SYMBOL_HDA(query_amp_caps); 1253 1254 /** 1255 * snd_hda_override_amp_caps - Override the AMP capabilities 1256 * @codec: the CODEC to clean up 1257 * @nid: the NID to clean up 1258 * @direction: either #HDA_INPUT or #HDA_OUTPUT 1259 * @caps: the capability bits to set 1260 * 1261 * Override the cached AMP caps bits value by the given one. 1262 * This function is useful if the driver needs to adjust the AMP ranges, 1263 * e.g. limit to 0dB, etc. 1264 * 1265 * Returns zero if successful or a negative error code. 1266 */ 1267 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir, 1268 unsigned int caps) 1269 { 1270 struct hda_amp_info *info; 1271 1272 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, dir, 0)); 1273 if (!info) 1274 return -EINVAL; 1275 info->amp_caps = caps; 1276 info->head.val |= INFO_AMP_CAPS; 1277 return 0; 1278 } 1279 EXPORT_SYMBOL_HDA(snd_hda_override_amp_caps); 1280 1281 static unsigned int 1282 query_caps_hash(struct hda_codec *codec, hda_nid_t nid, u32 key, 1283 unsigned int (*func)(struct hda_codec *, hda_nid_t)) 1284 { 1285 struct hda_amp_info *info; 1286 1287 info = get_alloc_amp_hash(codec, key); 1288 if (!info) 1289 return 0; 1290 if (!info->head.val) { 1291 info->head.val |= INFO_AMP_CAPS; 1292 info->amp_caps = func(codec, nid); 1293 } 1294 return info->amp_caps; 1295 } 1296 1297 static unsigned int read_pin_cap(struct hda_codec *codec, hda_nid_t nid) 1298 { 1299 return snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP); 1300 } 1301 1302 /** 1303 * snd_hda_query_pin_caps - Query PIN capabilities 1304 * @codec: the HD-auio codec 1305 * @nid: the NID to query 1306 * 1307 * Query PIN capabilities for the given widget. 1308 * Returns the obtained capability bits. 1309 * 1310 * When cap bits have been already read, this doesn't read again but 1311 * returns the cached value. 1312 */ 1313 u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid) 1314 { 1315 return query_caps_hash(codec, nid, HDA_HASH_PINCAP_KEY(nid), 1316 read_pin_cap); 1317 } 1318 EXPORT_SYMBOL_HDA(snd_hda_query_pin_caps); 1319 1320 /** 1321 * snd_hda_pin_sense - execute pin sense measurement 1322 * @codec: the CODEC to sense 1323 * @nid: the pin NID to sense 1324 * 1325 * Execute necessary pin sense measurement and return its Presence Detect, 1326 * Impedance, ELD Valid etc. status bits. 1327 */ 1328 u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid) 1329 { 1330 u32 pincap; 1331 1332 if (!codec->no_trigger_sense) { 1333 pincap = snd_hda_query_pin_caps(codec, nid); 1334 if (pincap & AC_PINCAP_TRIG_REQ) /* need trigger? */ 1335 snd_hda_codec_read(codec, nid, 0, AC_VERB_SET_PIN_SENSE, 0); 1336 } 1337 return snd_hda_codec_read(codec, nid, 0, 1338 AC_VERB_GET_PIN_SENSE, 0); 1339 } 1340 EXPORT_SYMBOL_HDA(snd_hda_pin_sense); 1341 1342 /** 1343 * snd_hda_jack_detect - query pin Presence Detect status 1344 * @codec: the CODEC to sense 1345 * @nid: the pin NID to sense 1346 * 1347 * Query and return the pin's Presence Detect status. 1348 */ 1349 int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid) 1350 { 1351 u32 sense = snd_hda_pin_sense(codec, nid); 1352 return !!(sense & AC_PINSENSE_PRESENCE); 1353 } 1354 EXPORT_SYMBOL_HDA(snd_hda_jack_detect); 1355 1356 /* 1357 * read the current volume to info 1358 * if the cache exists, read the cache value. 1359 */ 1360 static unsigned int get_vol_mute(struct hda_codec *codec, 1361 struct hda_amp_info *info, hda_nid_t nid, 1362 int ch, int direction, int index) 1363 { 1364 u32 val, parm; 1365 1366 if (info->head.val & INFO_AMP_VOL(ch)) 1367 return info->vol[ch]; 1368 1369 parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT; 1370 parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT; 1371 parm |= index; 1372 val = snd_hda_codec_read(codec, nid, 0, 1373 AC_VERB_GET_AMP_GAIN_MUTE, parm); 1374 info->vol[ch] = val & 0xff; 1375 info->head.val |= INFO_AMP_VOL(ch); 1376 return info->vol[ch]; 1377 } 1378 1379 /* 1380 * write the current volume in info to the h/w and update the cache 1381 */ 1382 static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info, 1383 hda_nid_t nid, int ch, int direction, int index, 1384 int val) 1385 { 1386 u32 parm; 1387 1388 parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT; 1389 parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT; 1390 parm |= index << AC_AMP_SET_INDEX_SHIFT; 1391 parm |= val; 1392 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm); 1393 info->vol[ch] = val; 1394 } 1395 1396 /** 1397 * snd_hda_codec_amp_read - Read AMP value 1398 * @codec: HD-audio codec 1399 * @nid: NID to read the AMP value 1400 * @ch: channel (left=0 or right=1) 1401 * @direction: #HDA_INPUT or #HDA_OUTPUT 1402 * @index: the index value (only for input direction) 1403 * 1404 * Read AMP value. The volume is between 0 to 0x7f, 0x80 = mute bit. 1405 */ 1406 int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch, 1407 int direction, int index) 1408 { 1409 struct hda_amp_info *info; 1410 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index)); 1411 if (!info) 1412 return 0; 1413 return get_vol_mute(codec, info, nid, ch, direction, index); 1414 } 1415 EXPORT_SYMBOL_HDA(snd_hda_codec_amp_read); 1416 1417 /** 1418 * snd_hda_codec_amp_update - update the AMP value 1419 * @codec: HD-audio codec 1420 * @nid: NID to read the AMP value 1421 * @ch: channel (left=0 or right=1) 1422 * @direction: #HDA_INPUT or #HDA_OUTPUT 1423 * @idx: the index value (only for input direction) 1424 * @mask: bit mask to set 1425 * @val: the bits value to set 1426 * 1427 * Update the AMP value with a bit mask. 1428 * Returns 0 if the value is unchanged, 1 if changed. 1429 */ 1430 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch, 1431 int direction, int idx, int mask, int val) 1432 { 1433 struct hda_amp_info *info; 1434 1435 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx)); 1436 if (!info) 1437 return 0; 1438 val &= mask; 1439 val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask; 1440 if (info->vol[ch] == val) 1441 return 0; 1442 put_vol_mute(codec, info, nid, ch, direction, idx, val); 1443 return 1; 1444 } 1445 EXPORT_SYMBOL_HDA(snd_hda_codec_amp_update); 1446 1447 /** 1448 * snd_hda_codec_amp_stereo - update the AMP stereo values 1449 * @codec: HD-audio codec 1450 * @nid: NID to read the AMP value 1451 * @direction: #HDA_INPUT or #HDA_OUTPUT 1452 * @idx: the index value (only for input direction) 1453 * @mask: bit mask to set 1454 * @val: the bits value to set 1455 * 1456 * Update the AMP values like snd_hda_codec_amp_update(), but for a 1457 * stereo widget with the same mask and value. 1458 */ 1459 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid, 1460 int direction, int idx, int mask, int val) 1461 { 1462 int ch, ret = 0; 1463 for (ch = 0; ch < 2; ch++) 1464 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction, 1465 idx, mask, val); 1466 return ret; 1467 } 1468 EXPORT_SYMBOL_HDA(snd_hda_codec_amp_stereo); 1469 1470 #ifdef SND_HDA_NEEDS_RESUME 1471 /** 1472 * snd_hda_codec_resume_amp - Resume all AMP commands from the cache 1473 * @codec: HD-audio codec 1474 * 1475 * Resume the all amp commands from the cache. 1476 */ 1477 void snd_hda_codec_resume_amp(struct hda_codec *codec) 1478 { 1479 struct hda_amp_info *buffer = codec->amp_cache.buf.list; 1480 int i; 1481 1482 for (i = 0; i < codec->amp_cache.buf.used; i++, buffer++) { 1483 u32 key = buffer->head.key; 1484 hda_nid_t nid; 1485 unsigned int idx, dir, ch; 1486 if (!key) 1487 continue; 1488 nid = key & 0xff; 1489 idx = (key >> 16) & 0xff; 1490 dir = (key >> 24) & 0xff; 1491 for (ch = 0; ch < 2; ch++) { 1492 if (!(buffer->head.val & INFO_AMP_VOL(ch))) 1493 continue; 1494 put_vol_mute(codec, buffer, nid, ch, dir, idx, 1495 buffer->vol[ch]); 1496 } 1497 } 1498 } 1499 EXPORT_SYMBOL_HDA(snd_hda_codec_resume_amp); 1500 #endif /* SND_HDA_NEEDS_RESUME */ 1501 1502 /** 1503 * snd_hda_mixer_amp_volume_info - Info callback for a standard AMP mixer 1504 * 1505 * The control element is supposed to have the private_value field 1506 * set up via HDA_COMPOSE_AMP_VAL*() or related macros. 1507 */ 1508 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol, 1509 struct snd_ctl_elem_info *uinfo) 1510 { 1511 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 1512 u16 nid = get_amp_nid(kcontrol); 1513 u8 chs = get_amp_channels(kcontrol); 1514 int dir = get_amp_direction(kcontrol); 1515 unsigned int ofs = get_amp_offset(kcontrol); 1516 u32 caps; 1517 1518 caps = query_amp_caps(codec, nid, dir); 1519 /* num steps */ 1520 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; 1521 if (!caps) { 1522 printk(KERN_WARNING "hda_codec: " 1523 "num_steps = 0 for NID=0x%x (ctl = %s)\n", nid, 1524 kcontrol->id.name); 1525 return -EINVAL; 1526 } 1527 if (ofs < caps) 1528 caps -= ofs; 1529 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1530 uinfo->count = chs == 3 ? 2 : 1; 1531 uinfo->value.integer.min = 0; 1532 uinfo->value.integer.max = caps; 1533 return 0; 1534 } 1535 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_info); 1536 1537 1538 static inline unsigned int 1539 read_amp_value(struct hda_codec *codec, hda_nid_t nid, 1540 int ch, int dir, int idx, unsigned int ofs) 1541 { 1542 unsigned int val; 1543 val = snd_hda_codec_amp_read(codec, nid, ch, dir, idx); 1544 val &= HDA_AMP_VOLMASK; 1545 if (val >= ofs) 1546 val -= ofs; 1547 else 1548 val = 0; 1549 return val; 1550 } 1551 1552 static inline int 1553 update_amp_value(struct hda_codec *codec, hda_nid_t nid, 1554 int ch, int dir, int idx, unsigned int ofs, 1555 unsigned int val) 1556 { 1557 if (val > 0) 1558 val += ofs; 1559 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx, 1560 HDA_AMP_VOLMASK, val); 1561 } 1562 1563 /** 1564 * snd_hda_mixer_amp_volume_get - Get callback for a standard AMP mixer volume 1565 * 1566 * The control element is supposed to have the private_value field 1567 * set up via HDA_COMPOSE_AMP_VAL*() or related macros. 1568 */ 1569 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol, 1570 struct snd_ctl_elem_value *ucontrol) 1571 { 1572 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 1573 hda_nid_t nid = get_amp_nid(kcontrol); 1574 int chs = get_amp_channels(kcontrol); 1575 int dir = get_amp_direction(kcontrol); 1576 int idx = get_amp_index(kcontrol); 1577 unsigned int ofs = get_amp_offset(kcontrol); 1578 long *valp = ucontrol->value.integer.value; 1579 1580 if (chs & 1) 1581 *valp++ = read_amp_value(codec, nid, 0, dir, idx, ofs); 1582 if (chs & 2) 1583 *valp = read_amp_value(codec, nid, 1, dir, idx, ofs); 1584 return 0; 1585 } 1586 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_get); 1587 1588 /** 1589 * snd_hda_mixer_amp_volume_put - Put callback for a standard AMP mixer volume 1590 * 1591 * The control element is supposed to have the private_value field 1592 * set up via HDA_COMPOSE_AMP_VAL*() or related macros. 1593 */ 1594 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol, 1595 struct snd_ctl_elem_value *ucontrol) 1596 { 1597 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 1598 hda_nid_t nid = get_amp_nid(kcontrol); 1599 int chs = get_amp_channels(kcontrol); 1600 int dir = get_amp_direction(kcontrol); 1601 int idx = get_amp_index(kcontrol); 1602 unsigned int ofs = get_amp_offset(kcontrol); 1603 long *valp = ucontrol->value.integer.value; 1604 int change = 0; 1605 1606 snd_hda_power_up(codec); 1607 if (chs & 1) { 1608 change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp); 1609 valp++; 1610 } 1611 if (chs & 2) 1612 change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp); 1613 snd_hda_power_down(codec); 1614 return change; 1615 } 1616 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_put); 1617 1618 /** 1619 * snd_hda_mixer_amp_volume_put - TLV callback for a standard AMP mixer volume 1620 * 1621 * The control element is supposed to have the private_value field 1622 * set up via HDA_COMPOSE_AMP_VAL*() or related macros. 1623 */ 1624 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag, 1625 unsigned int size, unsigned int __user *_tlv) 1626 { 1627 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 1628 hda_nid_t nid = get_amp_nid(kcontrol); 1629 int dir = get_amp_direction(kcontrol); 1630 unsigned int ofs = get_amp_offset(kcontrol); 1631 u32 caps, val1, val2; 1632 1633 if (size < 4 * sizeof(unsigned int)) 1634 return -ENOMEM; 1635 caps = query_amp_caps(codec, nid, dir); 1636 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT; 1637 val2 = (val2 + 1) * 25; 1638 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT); 1639 val1 += ofs; 1640 val1 = ((int)val1) * ((int)val2); 1641 if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv)) 1642 return -EFAULT; 1643 if (put_user(2 * sizeof(unsigned int), _tlv + 1)) 1644 return -EFAULT; 1645 if (put_user(val1, _tlv + 2)) 1646 return -EFAULT; 1647 if (put_user(val2, _tlv + 3)) 1648 return -EFAULT; 1649 return 0; 1650 } 1651 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_tlv); 1652 1653 /** 1654 * snd_hda_set_vmaster_tlv - Set TLV for a virtual master control 1655 * @codec: HD-audio codec 1656 * @nid: NID of a reference widget 1657 * @dir: #HDA_INPUT or #HDA_OUTPUT 1658 * @tlv: TLV data to be stored, at least 4 elements 1659 * 1660 * Set (static) TLV data for a virtual master volume using the AMP caps 1661 * obtained from the reference NID. 1662 * The volume range is recalculated as if the max volume is 0dB. 1663 */ 1664 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir, 1665 unsigned int *tlv) 1666 { 1667 u32 caps; 1668 int nums, step; 1669 1670 caps = query_amp_caps(codec, nid, dir); 1671 nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; 1672 step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT; 1673 step = (step + 1) * 25; 1674 tlv[0] = SNDRV_CTL_TLVT_DB_SCALE; 1675 tlv[1] = 2 * sizeof(unsigned int); 1676 tlv[2] = -nums * step; 1677 tlv[3] = step; 1678 } 1679 EXPORT_SYMBOL_HDA(snd_hda_set_vmaster_tlv); 1680 1681 /* find a mixer control element with the given name */ 1682 static struct snd_kcontrol * 1683 _snd_hda_find_mixer_ctl(struct hda_codec *codec, 1684 const char *name, int idx) 1685 { 1686 struct snd_ctl_elem_id id; 1687 memset(&id, 0, sizeof(id)); 1688 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 1689 id.index = idx; 1690 if (snd_BUG_ON(strlen(name) >= sizeof(id.name))) 1691 return NULL; 1692 strcpy(id.name, name); 1693 return snd_ctl_find_id(codec->bus->card, &id); 1694 } 1695 1696 /** 1697 * snd_hda_find_mixer_ctl - Find a mixer control element with the given name 1698 * @codec: HD-audio codec 1699 * @name: ctl id name string 1700 * 1701 * Get the control element with the given id string and IFACE_MIXER. 1702 */ 1703 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec, 1704 const char *name) 1705 { 1706 return _snd_hda_find_mixer_ctl(codec, name, 0); 1707 } 1708 EXPORT_SYMBOL_HDA(snd_hda_find_mixer_ctl); 1709 1710 /** 1711 * snd_hda_ctl-add - Add a control element and assign to the codec 1712 * @codec: HD-audio codec 1713 * @nid: corresponding NID (optional) 1714 * @kctl: the control element to assign 1715 * 1716 * Add the given control element to an array inside the codec instance. 1717 * All control elements belonging to a codec are supposed to be added 1718 * by this function so that a proper clean-up works at the free or 1719 * reconfiguration time. 1720 * 1721 * If non-zero @nid is passed, the NID is assigned to the control element. 1722 * The assignment is shown in the codec proc file. 1723 * 1724 * snd_hda_ctl_add() checks the control subdev id field whether 1725 * #HDA_SUBDEV_NID_FLAG bit is set. If set (and @nid is zero), the lower 1726 * bits value is taken as the NID to assign. 1727 */ 1728 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid, 1729 struct snd_kcontrol *kctl) 1730 { 1731 int err; 1732 struct hda_nid_item *item; 1733 1734 if (kctl->id.subdevice & HDA_SUBDEV_NID_FLAG) { 1735 if (nid == 0) 1736 nid = kctl->id.subdevice & 0xffff; 1737 kctl->id.subdevice = 0; 1738 } 1739 err = snd_ctl_add(codec->bus->card, kctl); 1740 if (err < 0) 1741 return err; 1742 item = snd_array_new(&codec->mixers); 1743 if (!item) 1744 return -ENOMEM; 1745 item->kctl = kctl; 1746 item->nid = nid; 1747 return 0; 1748 } 1749 EXPORT_SYMBOL_HDA(snd_hda_ctl_add); 1750 1751 /** 1752 * snd_hda_ctls_clear - Clear all controls assigned to the given codec 1753 * @codec: HD-audio codec 1754 */ 1755 void snd_hda_ctls_clear(struct hda_codec *codec) 1756 { 1757 int i; 1758 struct hda_nid_item *items = codec->mixers.list; 1759 for (i = 0; i < codec->mixers.used; i++) 1760 snd_ctl_remove(codec->bus->card, items[i].kctl); 1761 snd_array_free(&codec->mixers); 1762 } 1763 1764 /* pseudo device locking 1765 * toggle card->shutdown to allow/disallow the device access (as a hack) 1766 */ 1767 static int hda_lock_devices(struct snd_card *card) 1768 { 1769 spin_lock(&card->files_lock); 1770 if (card->shutdown) { 1771 spin_unlock(&card->files_lock); 1772 return -EINVAL; 1773 } 1774 card->shutdown = 1; 1775 spin_unlock(&card->files_lock); 1776 return 0; 1777 } 1778 1779 static void hda_unlock_devices(struct snd_card *card) 1780 { 1781 spin_lock(&card->files_lock); 1782 card->shutdown = 0; 1783 spin_unlock(&card->files_lock); 1784 } 1785 1786 /** 1787 * snd_hda_codec_reset - Clear all objects assigned to the codec 1788 * @codec: HD-audio codec 1789 * 1790 * This frees the all PCM and control elements assigned to the codec, and 1791 * clears the caches and restores the pin default configurations. 1792 * 1793 * When a device is being used, it returns -EBSY. If successfully freed, 1794 * returns zero. 1795 */ 1796 int snd_hda_codec_reset(struct hda_codec *codec) 1797 { 1798 struct snd_card *card = codec->bus->card; 1799 int i, pcm; 1800 1801 if (hda_lock_devices(card) < 0) 1802 return -EBUSY; 1803 /* check whether the codec isn't used by any mixer or PCM streams */ 1804 if (!list_empty(&card->ctl_files)) { 1805 hda_unlock_devices(card); 1806 return -EBUSY; 1807 } 1808 for (pcm = 0; pcm < codec->num_pcms; pcm++) { 1809 struct hda_pcm *cpcm = &codec->pcm_info[pcm]; 1810 if (!cpcm->pcm) 1811 continue; 1812 if (cpcm->pcm->streams[0].substream_opened || 1813 cpcm->pcm->streams[1].substream_opened) { 1814 hda_unlock_devices(card); 1815 return -EBUSY; 1816 } 1817 } 1818 1819 /* OK, let it free */ 1820 1821 #ifdef CONFIG_SND_HDA_POWER_SAVE 1822 cancel_delayed_work(&codec->power_work); 1823 flush_workqueue(codec->bus->workq); 1824 #endif 1825 snd_hda_ctls_clear(codec); 1826 /* relase PCMs */ 1827 for (i = 0; i < codec->num_pcms; i++) { 1828 if (codec->pcm_info[i].pcm) { 1829 snd_device_free(card, codec->pcm_info[i].pcm); 1830 clear_bit(codec->pcm_info[i].device, 1831 codec->bus->pcm_dev_bits); 1832 } 1833 } 1834 if (codec->patch_ops.free) 1835 codec->patch_ops.free(codec); 1836 codec->proc_widget_hook = NULL; 1837 codec->spec = NULL; 1838 free_hda_cache(&codec->amp_cache); 1839 free_hda_cache(&codec->cmd_cache); 1840 init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info)); 1841 init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head)); 1842 /* free only driver_pins so that init_pins + user_pins are restored */ 1843 snd_array_free(&codec->driver_pins); 1844 restore_pincfgs(codec); 1845 codec->num_pcms = 0; 1846 codec->pcm_info = NULL; 1847 codec->preset = NULL; 1848 memset(&codec->patch_ops, 0, sizeof(codec->patch_ops)); 1849 codec->slave_dig_outs = NULL; 1850 codec->spdif_status_reset = 0; 1851 module_put(codec->owner); 1852 codec->owner = NULL; 1853 1854 /* allow device access again */ 1855 hda_unlock_devices(card); 1856 return 0; 1857 } 1858 1859 /** 1860 * snd_hda_add_vmaster - create a virtual master control and add slaves 1861 * @codec: HD-audio codec 1862 * @name: vmaster control name 1863 * @tlv: TLV data (optional) 1864 * @slaves: slave control names (optional) 1865 * 1866 * Create a virtual master control with the given name. The TLV data 1867 * must be either NULL or a valid data. 1868 * 1869 * @slaves is a NULL-terminated array of strings, each of which is a 1870 * slave control name. All controls with these names are assigned to 1871 * the new virtual master control. 1872 * 1873 * This function returns zero if successful or a negative error code. 1874 */ 1875 int snd_hda_add_vmaster(struct hda_codec *codec, char *name, 1876 unsigned int *tlv, const char **slaves) 1877 { 1878 struct snd_kcontrol *kctl; 1879 const char **s; 1880 int err; 1881 1882 for (s = slaves; *s && !snd_hda_find_mixer_ctl(codec, *s); s++) 1883 ; 1884 if (!*s) { 1885 snd_printdd("No slave found for %s\n", name); 1886 return 0; 1887 } 1888 kctl = snd_ctl_make_virtual_master(name, tlv); 1889 if (!kctl) 1890 return -ENOMEM; 1891 err = snd_hda_ctl_add(codec, 0, kctl); 1892 if (err < 0) 1893 return err; 1894 1895 for (s = slaves; *s; s++) { 1896 struct snd_kcontrol *sctl; 1897 int i = 0; 1898 for (;;) { 1899 sctl = _snd_hda_find_mixer_ctl(codec, *s, i); 1900 if (!sctl) { 1901 if (!i) 1902 snd_printdd("Cannot find slave %s, " 1903 "skipped\n", *s); 1904 break; 1905 } 1906 err = snd_ctl_add_slave(kctl, sctl); 1907 if (err < 0) 1908 return err; 1909 i++; 1910 } 1911 } 1912 return 0; 1913 } 1914 EXPORT_SYMBOL_HDA(snd_hda_add_vmaster); 1915 1916 /** 1917 * snd_hda_mixer_amp_switch_info - Info callback for a standard AMP mixer switch 1918 * 1919 * The control element is supposed to have the private_value field 1920 * set up via HDA_COMPOSE_AMP_VAL*() or related macros. 1921 */ 1922 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol, 1923 struct snd_ctl_elem_info *uinfo) 1924 { 1925 int chs = get_amp_channels(kcontrol); 1926 1927 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1928 uinfo->count = chs == 3 ? 2 : 1; 1929 uinfo->value.integer.min = 0; 1930 uinfo->value.integer.max = 1; 1931 return 0; 1932 } 1933 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_info); 1934 1935 /** 1936 * snd_hda_mixer_amp_switch_get - Get callback for a standard AMP mixer switch 1937 * 1938 * The control element is supposed to have the private_value field 1939 * set up via HDA_COMPOSE_AMP_VAL*() or related macros. 1940 */ 1941 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol, 1942 struct snd_ctl_elem_value *ucontrol) 1943 { 1944 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 1945 hda_nid_t nid = get_amp_nid(kcontrol); 1946 int chs = get_amp_channels(kcontrol); 1947 int dir = get_amp_direction(kcontrol); 1948 int idx = get_amp_index(kcontrol); 1949 long *valp = ucontrol->value.integer.value; 1950 1951 if (chs & 1) 1952 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & 1953 HDA_AMP_MUTE) ? 0 : 1; 1954 if (chs & 2) 1955 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & 1956 HDA_AMP_MUTE) ? 0 : 1; 1957 return 0; 1958 } 1959 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_get); 1960 1961 /** 1962 * snd_hda_mixer_amp_switch_put - Put callback for a standard AMP mixer switch 1963 * 1964 * The control element is supposed to have the private_value field 1965 * set up via HDA_COMPOSE_AMP_VAL*() or related macros. 1966 */ 1967 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol, 1968 struct snd_ctl_elem_value *ucontrol) 1969 { 1970 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 1971 hda_nid_t nid = get_amp_nid(kcontrol); 1972 int chs = get_amp_channels(kcontrol); 1973 int dir = get_amp_direction(kcontrol); 1974 int idx = get_amp_index(kcontrol); 1975 long *valp = ucontrol->value.integer.value; 1976 int change = 0; 1977 1978 snd_hda_power_up(codec); 1979 if (chs & 1) { 1980 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx, 1981 HDA_AMP_MUTE, 1982 *valp ? 0 : HDA_AMP_MUTE); 1983 valp++; 1984 } 1985 if (chs & 2) 1986 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx, 1987 HDA_AMP_MUTE, 1988 *valp ? 0 : HDA_AMP_MUTE); 1989 #ifdef CONFIG_SND_HDA_POWER_SAVE 1990 if (codec->patch_ops.check_power_status) 1991 codec->patch_ops.check_power_status(codec, nid); 1992 #endif 1993 snd_hda_power_down(codec); 1994 return change; 1995 } 1996 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_put); 1997 1998 #ifdef CONFIG_SND_HDA_INPUT_BEEP 1999 /** 2000 * snd_hda_mixer_amp_switch_put_beep - Put callback for a beep AMP switch 2001 * 2002 * This function calls snd_hda_enable_beep_device(), which behaves differently 2003 * depending on beep_mode option. 2004 */ 2005 int snd_hda_mixer_amp_switch_put_beep(struct snd_kcontrol *kcontrol, 2006 struct snd_ctl_elem_value *ucontrol) 2007 { 2008 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2009 long *valp = ucontrol->value.integer.value; 2010 2011 snd_hda_enable_beep_device(codec, *valp); 2012 return snd_hda_mixer_amp_switch_put(kcontrol, ucontrol); 2013 } 2014 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_put_beep); 2015 #endif /* CONFIG_SND_HDA_INPUT_BEEP */ 2016 2017 /* 2018 * bound volume controls 2019 * 2020 * bind multiple volumes (# indices, from 0) 2021 */ 2022 2023 #define AMP_VAL_IDX_SHIFT 19 2024 #define AMP_VAL_IDX_MASK (0x0f<<19) 2025 2026 /** 2027 * snd_hda_mixer_bind_switch_get - Get callback for a bound volume control 2028 * 2029 * The control element is supposed to have the private_value field 2030 * set up via HDA_BIND_MUTE*() macros. 2031 */ 2032 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol, 2033 struct snd_ctl_elem_value *ucontrol) 2034 { 2035 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2036 unsigned long pval; 2037 int err; 2038 2039 mutex_lock(&codec->control_mutex); 2040 pval = kcontrol->private_value; 2041 kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */ 2042 err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol); 2043 kcontrol->private_value = pval; 2044 mutex_unlock(&codec->control_mutex); 2045 return err; 2046 } 2047 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_switch_get); 2048 2049 /** 2050 * snd_hda_mixer_bind_switch_put - Put callback for a bound volume control 2051 * 2052 * The control element is supposed to have the private_value field 2053 * set up via HDA_BIND_MUTE*() macros. 2054 */ 2055 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol, 2056 struct snd_ctl_elem_value *ucontrol) 2057 { 2058 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2059 unsigned long pval; 2060 int i, indices, err = 0, change = 0; 2061 2062 mutex_lock(&codec->control_mutex); 2063 pval = kcontrol->private_value; 2064 indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT; 2065 for (i = 0; i < indices; i++) { 2066 kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) | 2067 (i << AMP_VAL_IDX_SHIFT); 2068 err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol); 2069 if (err < 0) 2070 break; 2071 change |= err; 2072 } 2073 kcontrol->private_value = pval; 2074 mutex_unlock(&codec->control_mutex); 2075 return err < 0 ? err : change; 2076 } 2077 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_switch_put); 2078 2079 /** 2080 * snd_hda_mixer_bind_ctls_info - Info callback for a generic bound control 2081 * 2082 * The control element is supposed to have the private_value field 2083 * set up via HDA_BIND_VOL() or HDA_BIND_SW() macros. 2084 */ 2085 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol, 2086 struct snd_ctl_elem_info *uinfo) 2087 { 2088 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2089 struct hda_bind_ctls *c; 2090 int err; 2091 2092 mutex_lock(&codec->control_mutex); 2093 c = (struct hda_bind_ctls *)kcontrol->private_value; 2094 kcontrol->private_value = *c->values; 2095 err = c->ops->info(kcontrol, uinfo); 2096 kcontrol->private_value = (long)c; 2097 mutex_unlock(&codec->control_mutex); 2098 return err; 2099 } 2100 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_info); 2101 2102 /** 2103 * snd_hda_mixer_bind_ctls_get - Get callback for a generic bound control 2104 * 2105 * The control element is supposed to have the private_value field 2106 * set up via HDA_BIND_VOL() or HDA_BIND_SW() macros. 2107 */ 2108 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol, 2109 struct snd_ctl_elem_value *ucontrol) 2110 { 2111 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2112 struct hda_bind_ctls *c; 2113 int err; 2114 2115 mutex_lock(&codec->control_mutex); 2116 c = (struct hda_bind_ctls *)kcontrol->private_value; 2117 kcontrol->private_value = *c->values; 2118 err = c->ops->get(kcontrol, ucontrol); 2119 kcontrol->private_value = (long)c; 2120 mutex_unlock(&codec->control_mutex); 2121 return err; 2122 } 2123 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_get); 2124 2125 /** 2126 * snd_hda_mixer_bind_ctls_put - Put callback for a generic bound control 2127 * 2128 * The control element is supposed to have the private_value field 2129 * set up via HDA_BIND_VOL() or HDA_BIND_SW() macros. 2130 */ 2131 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol, 2132 struct snd_ctl_elem_value *ucontrol) 2133 { 2134 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2135 struct hda_bind_ctls *c; 2136 unsigned long *vals; 2137 int err = 0, change = 0; 2138 2139 mutex_lock(&codec->control_mutex); 2140 c = (struct hda_bind_ctls *)kcontrol->private_value; 2141 for (vals = c->values; *vals; vals++) { 2142 kcontrol->private_value = *vals; 2143 err = c->ops->put(kcontrol, ucontrol); 2144 if (err < 0) 2145 break; 2146 change |= err; 2147 } 2148 kcontrol->private_value = (long)c; 2149 mutex_unlock(&codec->control_mutex); 2150 return err < 0 ? err : change; 2151 } 2152 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_put); 2153 2154 /** 2155 * snd_hda_mixer_bind_tlv - TLV callback for a generic bound control 2156 * 2157 * The control element is supposed to have the private_value field 2158 * set up via HDA_BIND_VOL() macro. 2159 */ 2160 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag, 2161 unsigned int size, unsigned int __user *tlv) 2162 { 2163 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2164 struct hda_bind_ctls *c; 2165 int err; 2166 2167 mutex_lock(&codec->control_mutex); 2168 c = (struct hda_bind_ctls *)kcontrol->private_value; 2169 kcontrol->private_value = *c->values; 2170 err = c->ops->tlv(kcontrol, op_flag, size, tlv); 2171 kcontrol->private_value = (long)c; 2172 mutex_unlock(&codec->control_mutex); 2173 return err; 2174 } 2175 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_tlv); 2176 2177 struct hda_ctl_ops snd_hda_bind_vol = { 2178 .info = snd_hda_mixer_amp_volume_info, 2179 .get = snd_hda_mixer_amp_volume_get, 2180 .put = snd_hda_mixer_amp_volume_put, 2181 .tlv = snd_hda_mixer_amp_tlv 2182 }; 2183 EXPORT_SYMBOL_HDA(snd_hda_bind_vol); 2184 2185 struct hda_ctl_ops snd_hda_bind_sw = { 2186 .info = snd_hda_mixer_amp_switch_info, 2187 .get = snd_hda_mixer_amp_switch_get, 2188 .put = snd_hda_mixer_amp_switch_put, 2189 .tlv = snd_hda_mixer_amp_tlv 2190 }; 2191 EXPORT_SYMBOL_HDA(snd_hda_bind_sw); 2192 2193 /* 2194 * SPDIF out controls 2195 */ 2196 2197 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol, 2198 struct snd_ctl_elem_info *uinfo) 2199 { 2200 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 2201 uinfo->count = 1; 2202 return 0; 2203 } 2204 2205 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol, 2206 struct snd_ctl_elem_value *ucontrol) 2207 { 2208 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 2209 IEC958_AES0_NONAUDIO | 2210 IEC958_AES0_CON_EMPHASIS_5015 | 2211 IEC958_AES0_CON_NOT_COPYRIGHT; 2212 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 2213 IEC958_AES1_CON_ORIGINAL; 2214 return 0; 2215 } 2216 2217 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol, 2218 struct snd_ctl_elem_value *ucontrol) 2219 { 2220 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 2221 IEC958_AES0_NONAUDIO | 2222 IEC958_AES0_PRO_EMPHASIS_5015; 2223 return 0; 2224 } 2225 2226 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol, 2227 struct snd_ctl_elem_value *ucontrol) 2228 { 2229 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2230 2231 ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff; 2232 ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff; 2233 ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff; 2234 ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff; 2235 2236 return 0; 2237 } 2238 2239 /* convert from SPDIF status bits to HDA SPDIF bits 2240 * bit 0 (DigEn) is always set zero (to be filled later) 2241 */ 2242 static unsigned short convert_from_spdif_status(unsigned int sbits) 2243 { 2244 unsigned short val = 0; 2245 2246 if (sbits & IEC958_AES0_PROFESSIONAL) 2247 val |= AC_DIG1_PROFESSIONAL; 2248 if (sbits & IEC958_AES0_NONAUDIO) 2249 val |= AC_DIG1_NONAUDIO; 2250 if (sbits & IEC958_AES0_PROFESSIONAL) { 2251 if ((sbits & IEC958_AES0_PRO_EMPHASIS) == 2252 IEC958_AES0_PRO_EMPHASIS_5015) 2253 val |= AC_DIG1_EMPHASIS; 2254 } else { 2255 if ((sbits & IEC958_AES0_CON_EMPHASIS) == 2256 IEC958_AES0_CON_EMPHASIS_5015) 2257 val |= AC_DIG1_EMPHASIS; 2258 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT)) 2259 val |= AC_DIG1_COPYRIGHT; 2260 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8)) 2261 val |= AC_DIG1_LEVEL; 2262 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8); 2263 } 2264 return val; 2265 } 2266 2267 /* convert to SPDIF status bits from HDA SPDIF bits 2268 */ 2269 static unsigned int convert_to_spdif_status(unsigned short val) 2270 { 2271 unsigned int sbits = 0; 2272 2273 if (val & AC_DIG1_NONAUDIO) 2274 sbits |= IEC958_AES0_NONAUDIO; 2275 if (val & AC_DIG1_PROFESSIONAL) 2276 sbits |= IEC958_AES0_PROFESSIONAL; 2277 if (sbits & IEC958_AES0_PROFESSIONAL) { 2278 if (sbits & AC_DIG1_EMPHASIS) 2279 sbits |= IEC958_AES0_PRO_EMPHASIS_5015; 2280 } else { 2281 if (val & AC_DIG1_EMPHASIS) 2282 sbits |= IEC958_AES0_CON_EMPHASIS_5015; 2283 if (!(val & AC_DIG1_COPYRIGHT)) 2284 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT; 2285 if (val & AC_DIG1_LEVEL) 2286 sbits |= (IEC958_AES1_CON_ORIGINAL << 8); 2287 sbits |= val & (0x7f << 8); 2288 } 2289 return sbits; 2290 } 2291 2292 /* set digital convert verbs both for the given NID and its slaves */ 2293 static void set_dig_out(struct hda_codec *codec, hda_nid_t nid, 2294 int verb, int val) 2295 { 2296 hda_nid_t *d; 2297 2298 snd_hda_codec_write_cache(codec, nid, 0, verb, val); 2299 d = codec->slave_dig_outs; 2300 if (!d) 2301 return; 2302 for (; *d; d++) 2303 snd_hda_codec_write_cache(codec, *d, 0, verb, val); 2304 } 2305 2306 static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid, 2307 int dig1, int dig2) 2308 { 2309 if (dig1 != -1) 2310 set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_1, dig1); 2311 if (dig2 != -1) 2312 set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_2, dig2); 2313 } 2314 2315 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol, 2316 struct snd_ctl_elem_value *ucontrol) 2317 { 2318 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2319 hda_nid_t nid = kcontrol->private_value; 2320 unsigned short val; 2321 int change; 2322 2323 mutex_lock(&codec->spdif_mutex); 2324 codec->spdif_status = ucontrol->value.iec958.status[0] | 2325 ((unsigned int)ucontrol->value.iec958.status[1] << 8) | 2326 ((unsigned int)ucontrol->value.iec958.status[2] << 16) | 2327 ((unsigned int)ucontrol->value.iec958.status[3] << 24); 2328 val = convert_from_spdif_status(codec->spdif_status); 2329 val |= codec->spdif_ctls & 1; 2330 change = codec->spdif_ctls != val; 2331 codec->spdif_ctls = val; 2332 2333 if (change) 2334 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff); 2335 2336 mutex_unlock(&codec->spdif_mutex); 2337 return change; 2338 } 2339 2340 #define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info 2341 2342 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol, 2343 struct snd_ctl_elem_value *ucontrol) 2344 { 2345 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2346 2347 ucontrol->value.integer.value[0] = codec->spdif_ctls & AC_DIG1_ENABLE; 2348 return 0; 2349 } 2350 2351 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol, 2352 struct snd_ctl_elem_value *ucontrol) 2353 { 2354 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2355 hda_nid_t nid = kcontrol->private_value; 2356 unsigned short val; 2357 int change; 2358 2359 mutex_lock(&codec->spdif_mutex); 2360 val = codec->spdif_ctls & ~AC_DIG1_ENABLE; 2361 if (ucontrol->value.integer.value[0]) 2362 val |= AC_DIG1_ENABLE; 2363 change = codec->spdif_ctls != val; 2364 if (change) { 2365 codec->spdif_ctls = val; 2366 set_dig_out_convert(codec, nid, val & 0xff, -1); 2367 /* unmute amp switch (if any) */ 2368 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) && 2369 (val & AC_DIG1_ENABLE)) 2370 snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0, 2371 HDA_AMP_MUTE, 0); 2372 } 2373 mutex_unlock(&codec->spdif_mutex); 2374 return change; 2375 } 2376 2377 static struct snd_kcontrol_new dig_mixes[] = { 2378 { 2379 .access = SNDRV_CTL_ELEM_ACCESS_READ, 2380 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2381 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), 2382 .info = snd_hda_spdif_mask_info, 2383 .get = snd_hda_spdif_cmask_get, 2384 }, 2385 { 2386 .access = SNDRV_CTL_ELEM_ACCESS_READ, 2387 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2388 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), 2389 .info = snd_hda_spdif_mask_info, 2390 .get = snd_hda_spdif_pmask_get, 2391 }, 2392 { 2393 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2394 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 2395 .info = snd_hda_spdif_mask_info, 2396 .get = snd_hda_spdif_default_get, 2397 .put = snd_hda_spdif_default_put, 2398 }, 2399 { 2400 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2401 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), 2402 .info = snd_hda_spdif_out_switch_info, 2403 .get = snd_hda_spdif_out_switch_get, 2404 .put = snd_hda_spdif_out_switch_put, 2405 }, 2406 { } /* end */ 2407 }; 2408 2409 #define SPDIF_MAX_IDX 4 /* 4 instances should be enough to probe */ 2410 2411 /** 2412 * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls 2413 * @codec: the HDA codec 2414 * @nid: audio out widget NID 2415 * 2416 * Creates controls related with the SPDIF output. 2417 * Called from each patch supporting the SPDIF out. 2418 * 2419 * Returns 0 if successful, or a negative error code. 2420 */ 2421 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid) 2422 { 2423 int err; 2424 struct snd_kcontrol *kctl; 2425 struct snd_kcontrol_new *dig_mix; 2426 int idx; 2427 2428 for (idx = 0; idx < SPDIF_MAX_IDX; idx++) { 2429 if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Playback Switch", 2430 idx)) 2431 break; 2432 } 2433 if (idx >= SPDIF_MAX_IDX) { 2434 printk(KERN_ERR "hda_codec: too many IEC958 outputs\n"); 2435 return -EBUSY; 2436 } 2437 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) { 2438 kctl = snd_ctl_new1(dig_mix, codec); 2439 if (!kctl) 2440 return -ENOMEM; 2441 kctl->id.index = idx; 2442 kctl->private_value = nid; 2443 err = snd_hda_ctl_add(codec, nid, kctl); 2444 if (err < 0) 2445 return err; 2446 } 2447 codec->spdif_ctls = 2448 snd_hda_codec_read(codec, nid, 0, 2449 AC_VERB_GET_DIGI_CONVERT_1, 0); 2450 codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls); 2451 return 0; 2452 } 2453 EXPORT_SYMBOL_HDA(snd_hda_create_spdif_out_ctls); 2454 2455 /* 2456 * SPDIF sharing with analog output 2457 */ 2458 static int spdif_share_sw_get(struct snd_kcontrol *kcontrol, 2459 struct snd_ctl_elem_value *ucontrol) 2460 { 2461 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol); 2462 ucontrol->value.integer.value[0] = mout->share_spdif; 2463 return 0; 2464 } 2465 2466 static int spdif_share_sw_put(struct snd_kcontrol *kcontrol, 2467 struct snd_ctl_elem_value *ucontrol) 2468 { 2469 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol); 2470 mout->share_spdif = !!ucontrol->value.integer.value[0]; 2471 return 0; 2472 } 2473 2474 static struct snd_kcontrol_new spdif_share_sw = { 2475 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2476 .name = "IEC958 Default PCM Playback Switch", 2477 .info = snd_ctl_boolean_mono_info, 2478 .get = spdif_share_sw_get, 2479 .put = spdif_share_sw_put, 2480 }; 2481 2482 /** 2483 * snd_hda_create_spdif_share_sw - create Default PCM switch 2484 * @codec: the HDA codec 2485 * @mout: multi-out instance 2486 */ 2487 int snd_hda_create_spdif_share_sw(struct hda_codec *codec, 2488 struct hda_multi_out *mout) 2489 { 2490 if (!mout->dig_out_nid) 2491 return 0; 2492 /* ATTENTION: here mout is passed as private_data, instead of codec */ 2493 return snd_hda_ctl_add(codec, mout->dig_out_nid, 2494 snd_ctl_new1(&spdif_share_sw, mout)); 2495 } 2496 EXPORT_SYMBOL_HDA(snd_hda_create_spdif_share_sw); 2497 2498 /* 2499 * SPDIF input 2500 */ 2501 2502 #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info 2503 2504 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol, 2505 struct snd_ctl_elem_value *ucontrol) 2506 { 2507 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2508 2509 ucontrol->value.integer.value[0] = codec->spdif_in_enable; 2510 return 0; 2511 } 2512 2513 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol, 2514 struct snd_ctl_elem_value *ucontrol) 2515 { 2516 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2517 hda_nid_t nid = kcontrol->private_value; 2518 unsigned int val = !!ucontrol->value.integer.value[0]; 2519 int change; 2520 2521 mutex_lock(&codec->spdif_mutex); 2522 change = codec->spdif_in_enable != val; 2523 if (change) { 2524 codec->spdif_in_enable = val; 2525 snd_hda_codec_write_cache(codec, nid, 0, 2526 AC_VERB_SET_DIGI_CONVERT_1, val); 2527 } 2528 mutex_unlock(&codec->spdif_mutex); 2529 return change; 2530 } 2531 2532 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol, 2533 struct snd_ctl_elem_value *ucontrol) 2534 { 2535 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 2536 hda_nid_t nid = kcontrol->private_value; 2537 unsigned short val; 2538 unsigned int sbits; 2539 2540 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT_1, 0); 2541 sbits = convert_to_spdif_status(val); 2542 ucontrol->value.iec958.status[0] = sbits; 2543 ucontrol->value.iec958.status[1] = sbits >> 8; 2544 ucontrol->value.iec958.status[2] = sbits >> 16; 2545 ucontrol->value.iec958.status[3] = sbits >> 24; 2546 return 0; 2547 } 2548 2549 static struct snd_kcontrol_new dig_in_ctls[] = { 2550 { 2551 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2552 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 2553 .info = snd_hda_spdif_in_switch_info, 2554 .get = snd_hda_spdif_in_switch_get, 2555 .put = snd_hda_spdif_in_switch_put, 2556 }, 2557 { 2558 .access = SNDRV_CTL_ELEM_ACCESS_READ, 2559 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2560 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT), 2561 .info = snd_hda_spdif_mask_info, 2562 .get = snd_hda_spdif_in_status_get, 2563 }, 2564 { } /* end */ 2565 }; 2566 2567 /** 2568 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls 2569 * @codec: the HDA codec 2570 * @nid: audio in widget NID 2571 * 2572 * Creates controls related with the SPDIF input. 2573 * Called from each patch supporting the SPDIF in. 2574 * 2575 * Returns 0 if successful, or a negative error code. 2576 */ 2577 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid) 2578 { 2579 int err; 2580 struct snd_kcontrol *kctl; 2581 struct snd_kcontrol_new *dig_mix; 2582 int idx; 2583 2584 for (idx = 0; idx < SPDIF_MAX_IDX; idx++) { 2585 if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Capture Switch", 2586 idx)) 2587 break; 2588 } 2589 if (idx >= SPDIF_MAX_IDX) { 2590 printk(KERN_ERR "hda_codec: too many IEC958 inputs\n"); 2591 return -EBUSY; 2592 } 2593 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) { 2594 kctl = snd_ctl_new1(dig_mix, codec); 2595 if (!kctl) 2596 return -ENOMEM; 2597 kctl->private_value = nid; 2598 err = snd_hda_ctl_add(codec, nid, kctl); 2599 if (err < 0) 2600 return err; 2601 } 2602 codec->spdif_in_enable = 2603 snd_hda_codec_read(codec, nid, 0, 2604 AC_VERB_GET_DIGI_CONVERT_1, 0) & 2605 AC_DIG1_ENABLE; 2606 return 0; 2607 } 2608 EXPORT_SYMBOL_HDA(snd_hda_create_spdif_in_ctls); 2609 2610 #ifdef SND_HDA_NEEDS_RESUME 2611 /* 2612 * command cache 2613 */ 2614 2615 /* build a 32bit cache key with the widget id and the command parameter */ 2616 #define build_cmd_cache_key(nid, verb) ((verb << 8) | nid) 2617 #define get_cmd_cache_nid(key) ((key) & 0xff) 2618 #define get_cmd_cache_cmd(key) (((key) >> 8) & 0xffff) 2619 2620 /** 2621 * snd_hda_codec_write_cache - send a single command with caching 2622 * @codec: the HDA codec 2623 * @nid: NID to send the command 2624 * @direct: direct flag 2625 * @verb: the verb to send 2626 * @parm: the parameter for the verb 2627 * 2628 * Send a single command without waiting for response. 2629 * 2630 * Returns 0 if successful, or a negative error code. 2631 */ 2632 int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid, 2633 int direct, unsigned int verb, unsigned int parm) 2634 { 2635 int err = snd_hda_codec_write(codec, nid, direct, verb, parm); 2636 struct hda_cache_head *c; 2637 u32 key; 2638 2639 if (err < 0) 2640 return err; 2641 /* parm may contain the verb stuff for get/set amp */ 2642 verb = verb | (parm >> 8); 2643 parm &= 0xff; 2644 key = build_cmd_cache_key(nid, verb); 2645 mutex_lock(&codec->bus->cmd_mutex); 2646 c = get_alloc_hash(&codec->cmd_cache, key); 2647 if (c) 2648 c->val = parm; 2649 mutex_unlock(&codec->bus->cmd_mutex); 2650 return 0; 2651 } 2652 EXPORT_SYMBOL_HDA(snd_hda_codec_write_cache); 2653 2654 /** 2655 * snd_hda_codec_resume_cache - Resume the all commands from the cache 2656 * @codec: HD-audio codec 2657 * 2658 * Execute all verbs recorded in the command caches to resume. 2659 */ 2660 void snd_hda_codec_resume_cache(struct hda_codec *codec) 2661 { 2662 struct hda_cache_head *buffer = codec->cmd_cache.buf.list; 2663 int i; 2664 2665 for (i = 0; i < codec->cmd_cache.buf.used; i++, buffer++) { 2666 u32 key = buffer->key; 2667 if (!key) 2668 continue; 2669 snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0, 2670 get_cmd_cache_cmd(key), buffer->val); 2671 } 2672 } 2673 EXPORT_SYMBOL_HDA(snd_hda_codec_resume_cache); 2674 2675 /** 2676 * snd_hda_sequence_write_cache - sequence writes with caching 2677 * @codec: the HDA codec 2678 * @seq: VERB array to send 2679 * 2680 * Send the commands sequentially from the given array. 2681 * Thte commands are recorded on cache for power-save and resume. 2682 * The array must be terminated with NID=0. 2683 */ 2684 void snd_hda_sequence_write_cache(struct hda_codec *codec, 2685 const struct hda_verb *seq) 2686 { 2687 for (; seq->nid; seq++) 2688 snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb, 2689 seq->param); 2690 } 2691 EXPORT_SYMBOL_HDA(snd_hda_sequence_write_cache); 2692 #endif /* SND_HDA_NEEDS_RESUME */ 2693 2694 /* 2695 * set power state of the codec 2696 */ 2697 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg, 2698 unsigned int power_state) 2699 { 2700 hda_nid_t nid; 2701 int i; 2702 2703 /* this delay seems necessary to avoid click noise at power-down */ 2704 if (power_state == AC_PWRST_D3) 2705 msleep(100); 2706 snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, 2707 power_state); 2708 /* partial workaround for "azx_get_response timeout" */ 2709 if (power_state == AC_PWRST_D0) 2710 msleep(10); 2711 2712 nid = codec->start_nid; 2713 for (i = 0; i < codec->num_nodes; i++, nid++) { 2714 unsigned int wcaps = get_wcaps(codec, nid); 2715 if (wcaps & AC_WCAP_POWER) { 2716 unsigned int wid_type = get_wcaps_type(wcaps); 2717 if (power_state == AC_PWRST_D3 && 2718 wid_type == AC_WID_PIN) { 2719 unsigned int pincap; 2720 /* 2721 * don't power down the widget if it controls 2722 * eapd and EAPD_BTLENABLE is set. 2723 */ 2724 pincap = snd_hda_query_pin_caps(codec, nid); 2725 if (pincap & AC_PINCAP_EAPD) { 2726 int eapd = snd_hda_codec_read(codec, 2727 nid, 0, 2728 AC_VERB_GET_EAPD_BTLENABLE, 0); 2729 eapd &= 0x02; 2730 if (eapd) 2731 continue; 2732 } 2733 } 2734 snd_hda_codec_write(codec, nid, 0, 2735 AC_VERB_SET_POWER_STATE, 2736 power_state); 2737 } 2738 } 2739 2740 if (power_state == AC_PWRST_D0) { 2741 unsigned long end_time; 2742 int state; 2743 msleep(10); 2744 /* wait until the codec reachs to D0 */ 2745 end_time = jiffies + msecs_to_jiffies(500); 2746 do { 2747 state = snd_hda_codec_read(codec, fg, 0, 2748 AC_VERB_GET_POWER_STATE, 0); 2749 if (state == power_state) 2750 break; 2751 msleep(1); 2752 } while (time_after_eq(end_time, jiffies)); 2753 } 2754 } 2755 2756 #ifdef CONFIG_SND_HDA_HWDEP 2757 /* execute additional init verbs */ 2758 static void hda_exec_init_verbs(struct hda_codec *codec) 2759 { 2760 if (codec->init_verbs.list) 2761 snd_hda_sequence_write(codec, codec->init_verbs.list); 2762 } 2763 #else 2764 static inline void hda_exec_init_verbs(struct hda_codec *codec) {} 2765 #endif 2766 2767 #ifdef SND_HDA_NEEDS_RESUME 2768 /* 2769 * call suspend and power-down; used both from PM and power-save 2770 */ 2771 static void hda_call_codec_suspend(struct hda_codec *codec) 2772 { 2773 if (codec->patch_ops.suspend) 2774 codec->patch_ops.suspend(codec, PMSG_SUSPEND); 2775 hda_set_power_state(codec, 2776 codec->afg ? codec->afg : codec->mfg, 2777 AC_PWRST_D3); 2778 #ifdef CONFIG_SND_HDA_POWER_SAVE 2779 snd_hda_update_power_acct(codec); 2780 cancel_delayed_work(&codec->power_work); 2781 codec->power_on = 0; 2782 codec->power_transition = 0; 2783 codec->power_jiffies = jiffies; 2784 #endif 2785 } 2786 2787 /* 2788 * kick up codec; used both from PM and power-save 2789 */ 2790 static void hda_call_codec_resume(struct hda_codec *codec) 2791 { 2792 hda_set_power_state(codec, 2793 codec->afg ? codec->afg : codec->mfg, 2794 AC_PWRST_D0); 2795 restore_pincfgs(codec); /* restore all current pin configs */ 2796 hda_exec_init_verbs(codec); 2797 if (codec->patch_ops.resume) 2798 codec->patch_ops.resume(codec); 2799 else { 2800 if (codec->patch_ops.init) 2801 codec->patch_ops.init(codec); 2802 snd_hda_codec_resume_amp(codec); 2803 snd_hda_codec_resume_cache(codec); 2804 } 2805 } 2806 #endif /* SND_HDA_NEEDS_RESUME */ 2807 2808 2809 /** 2810 * snd_hda_build_controls - build mixer controls 2811 * @bus: the BUS 2812 * 2813 * Creates mixer controls for each codec included in the bus. 2814 * 2815 * Returns 0 if successful, otherwise a negative error code. 2816 */ 2817 int /*__devinit*/ snd_hda_build_controls(struct hda_bus *bus) 2818 { 2819 struct hda_codec *codec; 2820 2821 list_for_each_entry(codec, &bus->codec_list, list) { 2822 int err = snd_hda_codec_build_controls(codec); 2823 if (err < 0) { 2824 printk(KERN_ERR "hda_codec: cannot build controls" 2825 "for #%d (error %d)\n", codec->addr, err); 2826 err = snd_hda_codec_reset(codec); 2827 if (err < 0) { 2828 printk(KERN_ERR 2829 "hda_codec: cannot revert codec\n"); 2830 return err; 2831 } 2832 } 2833 } 2834 return 0; 2835 } 2836 EXPORT_SYMBOL_HDA(snd_hda_build_controls); 2837 2838 int snd_hda_codec_build_controls(struct hda_codec *codec) 2839 { 2840 int err = 0; 2841 hda_exec_init_verbs(codec); 2842 /* continue to initialize... */ 2843 if (codec->patch_ops.init) 2844 err = codec->patch_ops.init(codec); 2845 if (!err && codec->patch_ops.build_controls) 2846 err = codec->patch_ops.build_controls(codec); 2847 if (err < 0) 2848 return err; 2849 return 0; 2850 } 2851 2852 /* 2853 * stream formats 2854 */ 2855 struct hda_rate_tbl { 2856 unsigned int hz; 2857 unsigned int alsa_bits; 2858 unsigned int hda_fmt; 2859 }; 2860 2861 static struct hda_rate_tbl rate_bits[] = { 2862 /* rate in Hz, ALSA rate bitmask, HDA format value */ 2863 2864 /* autodetected value used in snd_hda_query_supported_pcm */ 2865 { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */ 2866 { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */ 2867 { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */ 2868 { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */ 2869 { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */ 2870 { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */ 2871 { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */ 2872 { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */ 2873 { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */ 2874 { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */ 2875 { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */ 2876 #define AC_PAR_PCM_RATE_BITS 11 2877 /* up to bits 10, 384kHZ isn't supported properly */ 2878 2879 /* not autodetected value */ 2880 { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */ 2881 2882 { 0 } /* terminator */ 2883 }; 2884 2885 /** 2886 * snd_hda_calc_stream_format - calculate format bitset 2887 * @rate: the sample rate 2888 * @channels: the number of channels 2889 * @format: the PCM format (SNDRV_PCM_FORMAT_XXX) 2890 * @maxbps: the max. bps 2891 * 2892 * Calculate the format bitset from the given rate, channels and th PCM format. 2893 * 2894 * Return zero if invalid. 2895 */ 2896 unsigned int snd_hda_calc_stream_format(unsigned int rate, 2897 unsigned int channels, 2898 unsigned int format, 2899 unsigned int maxbps) 2900 { 2901 int i; 2902 unsigned int val = 0; 2903 2904 for (i = 0; rate_bits[i].hz; i++) 2905 if (rate_bits[i].hz == rate) { 2906 val = rate_bits[i].hda_fmt; 2907 break; 2908 } 2909 if (!rate_bits[i].hz) { 2910 snd_printdd("invalid rate %d\n", rate); 2911 return 0; 2912 } 2913 2914 if (channels == 0 || channels > 8) { 2915 snd_printdd("invalid channels %d\n", channels); 2916 return 0; 2917 } 2918 val |= channels - 1; 2919 2920 switch (snd_pcm_format_width(format)) { 2921 case 8: val |= 0x00; break; 2922 case 16: val |= 0x10; break; 2923 case 20: 2924 case 24: 2925 case 32: 2926 if (maxbps >= 32 || format == SNDRV_PCM_FORMAT_FLOAT_LE) 2927 val |= 0x40; 2928 else if (maxbps >= 24) 2929 val |= 0x30; 2930 else 2931 val |= 0x20; 2932 break; 2933 default: 2934 snd_printdd("invalid format width %d\n", 2935 snd_pcm_format_width(format)); 2936 return 0; 2937 } 2938 2939 return val; 2940 } 2941 EXPORT_SYMBOL_HDA(snd_hda_calc_stream_format); 2942 2943 static unsigned int get_pcm_param(struct hda_codec *codec, hda_nid_t nid) 2944 { 2945 unsigned int val = 0; 2946 if (nid != codec->afg && 2947 (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) 2948 val = snd_hda_param_read(codec, nid, AC_PAR_PCM); 2949 if (!val || val == -1) 2950 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM); 2951 if (!val || val == -1) 2952 return 0; 2953 return val; 2954 } 2955 2956 static unsigned int query_pcm_param(struct hda_codec *codec, hda_nid_t nid) 2957 { 2958 return query_caps_hash(codec, nid, HDA_HASH_PARPCM_KEY(nid), 2959 get_pcm_param); 2960 } 2961 2962 static unsigned int get_stream_param(struct hda_codec *codec, hda_nid_t nid) 2963 { 2964 unsigned int streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM); 2965 if (!streams || streams == -1) 2966 streams = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM); 2967 if (!streams || streams == -1) 2968 return 0; 2969 return streams; 2970 } 2971 2972 static unsigned int query_stream_param(struct hda_codec *codec, hda_nid_t nid) 2973 { 2974 return query_caps_hash(codec, nid, HDA_HASH_PARSTR_KEY(nid), 2975 get_stream_param); 2976 } 2977 2978 /** 2979 * snd_hda_query_supported_pcm - query the supported PCM rates and formats 2980 * @codec: the HDA codec 2981 * @nid: NID to query 2982 * @ratesp: the pointer to store the detected rate bitflags 2983 * @formatsp: the pointer to store the detected formats 2984 * @bpsp: the pointer to store the detected format widths 2985 * 2986 * Queries the supported PCM rates and formats. The NULL @ratesp, @formatsp 2987 * or @bsps argument is ignored. 2988 * 2989 * Returns 0 if successful, otherwise a negative error code. 2990 */ 2991 static int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid, 2992 u32 *ratesp, u64 *formatsp, unsigned int *bpsp) 2993 { 2994 unsigned int i, val, wcaps; 2995 2996 wcaps = get_wcaps(codec, nid); 2997 val = query_pcm_param(codec, nid); 2998 2999 if (ratesp) { 3000 u32 rates = 0; 3001 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) { 3002 if (val & (1 << i)) 3003 rates |= rate_bits[i].alsa_bits; 3004 } 3005 if (rates == 0) { 3006 snd_printk(KERN_ERR "hda_codec: rates == 0 " 3007 "(nid=0x%x, val=0x%x, ovrd=%i)\n", 3008 nid, val, 3009 (wcaps & AC_WCAP_FORMAT_OVRD) ? 1 : 0); 3010 return -EIO; 3011 } 3012 *ratesp = rates; 3013 } 3014 3015 if (formatsp || bpsp) { 3016 u64 formats = 0; 3017 unsigned int streams, bps; 3018 3019 streams = query_stream_param(codec, nid); 3020 if (!streams) 3021 return -EIO; 3022 3023 bps = 0; 3024 if (streams & AC_SUPFMT_PCM) { 3025 if (val & AC_SUPPCM_BITS_8) { 3026 formats |= SNDRV_PCM_FMTBIT_U8; 3027 bps = 8; 3028 } 3029 if (val & AC_SUPPCM_BITS_16) { 3030 formats |= SNDRV_PCM_FMTBIT_S16_LE; 3031 bps = 16; 3032 } 3033 if (wcaps & AC_WCAP_DIGITAL) { 3034 if (val & AC_SUPPCM_BITS_32) 3035 formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE; 3036 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24)) 3037 formats |= SNDRV_PCM_FMTBIT_S32_LE; 3038 if (val & AC_SUPPCM_BITS_24) 3039 bps = 24; 3040 else if (val & AC_SUPPCM_BITS_20) 3041 bps = 20; 3042 } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24| 3043 AC_SUPPCM_BITS_32)) { 3044 formats |= SNDRV_PCM_FMTBIT_S32_LE; 3045 if (val & AC_SUPPCM_BITS_32) 3046 bps = 32; 3047 else if (val & AC_SUPPCM_BITS_24) 3048 bps = 24; 3049 else if (val & AC_SUPPCM_BITS_20) 3050 bps = 20; 3051 } 3052 } 3053 if (streams & AC_SUPFMT_FLOAT32) { 3054 formats |= SNDRV_PCM_FMTBIT_FLOAT_LE; 3055 if (!bps) 3056 bps = 32; 3057 } 3058 if (streams == AC_SUPFMT_AC3) { 3059 /* should be exclusive */ 3060 /* temporary hack: we have still no proper support 3061 * for the direct AC3 stream... 3062 */ 3063 formats |= SNDRV_PCM_FMTBIT_U8; 3064 bps = 8; 3065 } 3066 if (formats == 0) { 3067 snd_printk(KERN_ERR "hda_codec: formats == 0 " 3068 "(nid=0x%x, val=0x%x, ovrd=%i, " 3069 "streams=0x%x)\n", 3070 nid, val, 3071 (wcaps & AC_WCAP_FORMAT_OVRD) ? 1 : 0, 3072 streams); 3073 return -EIO; 3074 } 3075 if (formatsp) 3076 *formatsp = formats; 3077 if (bpsp) 3078 *bpsp = bps; 3079 } 3080 3081 return 0; 3082 } 3083 3084 /** 3085 * snd_hda_is_supported_format - Check the validity of the format 3086 * @codec: HD-audio codec 3087 * @nid: NID to check 3088 * @format: the HD-audio format value to check 3089 * 3090 * Check whether the given node supports the format value. 3091 * 3092 * Returns 1 if supported, 0 if not. 3093 */ 3094 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid, 3095 unsigned int format) 3096 { 3097 int i; 3098 unsigned int val = 0, rate, stream; 3099 3100 val = query_pcm_param(codec, nid); 3101 if (!val) 3102 return 0; 3103 3104 rate = format & 0xff00; 3105 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) 3106 if (rate_bits[i].hda_fmt == rate) { 3107 if (val & (1 << i)) 3108 break; 3109 return 0; 3110 } 3111 if (i >= AC_PAR_PCM_RATE_BITS) 3112 return 0; 3113 3114 stream = query_stream_param(codec, nid); 3115 if (!stream) 3116 return 0; 3117 3118 if (stream & AC_SUPFMT_PCM) { 3119 switch (format & 0xf0) { 3120 case 0x00: 3121 if (!(val & AC_SUPPCM_BITS_8)) 3122 return 0; 3123 break; 3124 case 0x10: 3125 if (!(val & AC_SUPPCM_BITS_16)) 3126 return 0; 3127 break; 3128 case 0x20: 3129 if (!(val & AC_SUPPCM_BITS_20)) 3130 return 0; 3131 break; 3132 case 0x30: 3133 if (!(val & AC_SUPPCM_BITS_24)) 3134 return 0; 3135 break; 3136 case 0x40: 3137 if (!(val & AC_SUPPCM_BITS_32)) 3138 return 0; 3139 break; 3140 default: 3141 return 0; 3142 } 3143 } else { 3144 /* FIXME: check for float32 and AC3? */ 3145 } 3146 3147 return 1; 3148 } 3149 EXPORT_SYMBOL_HDA(snd_hda_is_supported_format); 3150 3151 /* 3152 * PCM stuff 3153 */ 3154 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo, 3155 struct hda_codec *codec, 3156 struct snd_pcm_substream *substream) 3157 { 3158 return 0; 3159 } 3160 3161 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo, 3162 struct hda_codec *codec, 3163 unsigned int stream_tag, 3164 unsigned int format, 3165 struct snd_pcm_substream *substream) 3166 { 3167 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format); 3168 return 0; 3169 } 3170 3171 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo, 3172 struct hda_codec *codec, 3173 struct snd_pcm_substream *substream) 3174 { 3175 snd_hda_codec_cleanup_stream(codec, hinfo->nid); 3176 return 0; 3177 } 3178 3179 static int set_pcm_default_values(struct hda_codec *codec, 3180 struct hda_pcm_stream *info) 3181 { 3182 int err; 3183 3184 /* query support PCM information from the given NID */ 3185 if (info->nid && (!info->rates || !info->formats)) { 3186 err = snd_hda_query_supported_pcm(codec, info->nid, 3187 info->rates ? NULL : &info->rates, 3188 info->formats ? NULL : &info->formats, 3189 info->maxbps ? NULL : &info->maxbps); 3190 if (err < 0) 3191 return err; 3192 } 3193 if (info->ops.open == NULL) 3194 info->ops.open = hda_pcm_default_open_close; 3195 if (info->ops.close == NULL) 3196 info->ops.close = hda_pcm_default_open_close; 3197 if (info->ops.prepare == NULL) { 3198 if (snd_BUG_ON(!info->nid)) 3199 return -EINVAL; 3200 info->ops.prepare = hda_pcm_default_prepare; 3201 } 3202 if (info->ops.cleanup == NULL) { 3203 if (snd_BUG_ON(!info->nid)) 3204 return -EINVAL; 3205 info->ops.cleanup = hda_pcm_default_cleanup; 3206 } 3207 return 0; 3208 } 3209 3210 /* global */ 3211 const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = { 3212 "Audio", "SPDIF", "HDMI", "Modem" 3213 }; 3214 3215 /* 3216 * get the empty PCM device number to assign 3217 */ 3218 static int get_empty_pcm_device(struct hda_bus *bus, int type) 3219 { 3220 /* audio device indices; not linear to keep compatibility */ 3221 static int audio_idx[HDA_PCM_NTYPES][5] = { 3222 [HDA_PCM_TYPE_AUDIO] = { 0, 2, 4, 5, -1 }, 3223 [HDA_PCM_TYPE_SPDIF] = { 1, -1 }, 3224 [HDA_PCM_TYPE_HDMI] = { 3, 7, 8, 9, -1 }, 3225 [HDA_PCM_TYPE_MODEM] = { 6, -1 }, 3226 }; 3227 int i; 3228 3229 if (type >= HDA_PCM_NTYPES) { 3230 snd_printk(KERN_WARNING "Invalid PCM type %d\n", type); 3231 return -EINVAL; 3232 } 3233 3234 for (i = 0; audio_idx[type][i] >= 0 ; i++) 3235 if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits)) 3236 return audio_idx[type][i]; 3237 3238 snd_printk(KERN_WARNING "Too many %s devices\n", snd_hda_pcm_type_name[type]); 3239 return -EAGAIN; 3240 } 3241 3242 /* 3243 * attach a new PCM stream 3244 */ 3245 static int snd_hda_attach_pcm(struct hda_codec *codec, struct hda_pcm *pcm) 3246 { 3247 struct hda_bus *bus = codec->bus; 3248 struct hda_pcm_stream *info; 3249 int stream, err; 3250 3251 if (snd_BUG_ON(!pcm->name)) 3252 return -EINVAL; 3253 for (stream = 0; stream < 2; stream++) { 3254 info = &pcm->stream[stream]; 3255 if (info->substreams) { 3256 err = set_pcm_default_values(codec, info); 3257 if (err < 0) 3258 return err; 3259 } 3260 } 3261 return bus->ops.attach_pcm(bus, codec, pcm); 3262 } 3263 3264 /* assign all PCMs of the given codec */ 3265 int snd_hda_codec_build_pcms(struct hda_codec *codec) 3266 { 3267 unsigned int pcm; 3268 int err; 3269 3270 if (!codec->num_pcms) { 3271 if (!codec->patch_ops.build_pcms) 3272 return 0; 3273 err = codec->patch_ops.build_pcms(codec); 3274 if (err < 0) { 3275 printk(KERN_ERR "hda_codec: cannot build PCMs" 3276 "for #%d (error %d)\n", codec->addr, err); 3277 err = snd_hda_codec_reset(codec); 3278 if (err < 0) { 3279 printk(KERN_ERR 3280 "hda_codec: cannot revert codec\n"); 3281 return err; 3282 } 3283 } 3284 } 3285 for (pcm = 0; pcm < codec->num_pcms; pcm++) { 3286 struct hda_pcm *cpcm = &codec->pcm_info[pcm]; 3287 int dev; 3288 3289 if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams) 3290 continue; /* no substreams assigned */ 3291 3292 if (!cpcm->pcm) { 3293 dev = get_empty_pcm_device(codec->bus, cpcm->pcm_type); 3294 if (dev < 0) 3295 continue; /* no fatal error */ 3296 cpcm->device = dev; 3297 err = snd_hda_attach_pcm(codec, cpcm); 3298 if (err < 0) { 3299 printk(KERN_ERR "hda_codec: cannot attach " 3300 "PCM stream %d for codec #%d\n", 3301 dev, codec->addr); 3302 continue; /* no fatal error */ 3303 } 3304 } 3305 } 3306 return 0; 3307 } 3308 3309 /** 3310 * snd_hda_build_pcms - build PCM information 3311 * @bus: the BUS 3312 * 3313 * Create PCM information for each codec included in the bus. 3314 * 3315 * The build_pcms codec patch is requested to set up codec->num_pcms and 3316 * codec->pcm_info properly. The array is referred by the top-level driver 3317 * to create its PCM instances. 3318 * The allocated codec->pcm_info should be released in codec->patch_ops.free 3319 * callback. 3320 * 3321 * At least, substreams, channels_min and channels_max must be filled for 3322 * each stream. substreams = 0 indicates that the stream doesn't exist. 3323 * When rates and/or formats are zero, the supported values are queried 3324 * from the given nid. The nid is used also by the default ops.prepare 3325 * and ops.cleanup callbacks. 3326 * 3327 * The driver needs to call ops.open in its open callback. Similarly, 3328 * ops.close is supposed to be called in the close callback. 3329 * ops.prepare should be called in the prepare or hw_params callback 3330 * with the proper parameters for set up. 3331 * ops.cleanup should be called in hw_free for clean up of streams. 3332 * 3333 * This function returns 0 if successfull, or a negative error code. 3334 */ 3335 int __devinit snd_hda_build_pcms(struct hda_bus *bus) 3336 { 3337 struct hda_codec *codec; 3338 3339 list_for_each_entry(codec, &bus->codec_list, list) { 3340 int err = snd_hda_codec_build_pcms(codec); 3341 if (err < 0) 3342 return err; 3343 } 3344 return 0; 3345 } 3346 EXPORT_SYMBOL_HDA(snd_hda_build_pcms); 3347 3348 /** 3349 * snd_hda_check_board_config - compare the current codec with the config table 3350 * @codec: the HDA codec 3351 * @num_configs: number of config enums 3352 * @models: array of model name strings 3353 * @tbl: configuration table, terminated by null entries 3354 * 3355 * Compares the modelname or PCI subsystem id of the current codec with the 3356 * given configuration table. If a matching entry is found, returns its 3357 * config value (supposed to be 0 or positive). 3358 * 3359 * If no entries are matching, the function returns a negative value. 3360 */ 3361 int snd_hda_check_board_config(struct hda_codec *codec, 3362 int num_configs, const char **models, 3363 const struct snd_pci_quirk *tbl) 3364 { 3365 if (codec->modelname && models) { 3366 int i; 3367 for (i = 0; i < num_configs; i++) { 3368 if (models[i] && 3369 !strcmp(codec->modelname, models[i])) { 3370 snd_printd(KERN_INFO "hda_codec: model '%s' is " 3371 "selected\n", models[i]); 3372 return i; 3373 } 3374 } 3375 } 3376 3377 if (!codec->bus->pci || !tbl) 3378 return -1; 3379 3380 tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl); 3381 if (!tbl) 3382 return -1; 3383 if (tbl->value >= 0 && tbl->value < num_configs) { 3384 #ifdef CONFIG_SND_DEBUG_VERBOSE 3385 char tmp[10]; 3386 const char *model = NULL; 3387 if (models) 3388 model = models[tbl->value]; 3389 if (!model) { 3390 sprintf(tmp, "#%d", tbl->value); 3391 model = tmp; 3392 } 3393 snd_printdd(KERN_INFO "hda_codec: model '%s' is selected " 3394 "for config %x:%x (%s)\n", 3395 model, tbl->subvendor, tbl->subdevice, 3396 (tbl->name ? tbl->name : "Unknown device")); 3397 #endif 3398 return tbl->value; 3399 } 3400 return -1; 3401 } 3402 EXPORT_SYMBOL_HDA(snd_hda_check_board_config); 3403 3404 /** 3405 * snd_hda_check_board_codec_sid_config - compare the current codec 3406 subsystem ID with the 3407 config table 3408 3409 This is important for Gateway notebooks with SB450 HDA Audio 3410 where the vendor ID of the PCI device is: 3411 ATI Technologies Inc SB450 HDA Audio [1002:437b] 3412 and the vendor/subvendor are found only at the codec. 3413 3414 * @codec: the HDA codec 3415 * @num_configs: number of config enums 3416 * @models: array of model name strings 3417 * @tbl: configuration table, terminated by null entries 3418 * 3419 * Compares the modelname or PCI subsystem id of the current codec with the 3420 * given configuration table. If a matching entry is found, returns its 3421 * config value (supposed to be 0 or positive). 3422 * 3423 * If no entries are matching, the function returns a negative value. 3424 */ 3425 int snd_hda_check_board_codec_sid_config(struct hda_codec *codec, 3426 int num_configs, const char **models, 3427 const struct snd_pci_quirk *tbl) 3428 { 3429 const struct snd_pci_quirk *q; 3430 3431 /* Search for codec ID */ 3432 for (q = tbl; q->subvendor; q++) { 3433 unsigned long vendorid = (q->subdevice) | (q->subvendor << 16); 3434 3435 if (vendorid == codec->subsystem_id) 3436 break; 3437 } 3438 3439 if (!q->subvendor) 3440 return -1; 3441 3442 tbl = q; 3443 3444 if (tbl->value >= 0 && tbl->value < num_configs) { 3445 #ifdef CONFIG_SND_DEBUG_VERBOSE 3446 char tmp[10]; 3447 const char *model = NULL; 3448 if (models) 3449 model = models[tbl->value]; 3450 if (!model) { 3451 sprintf(tmp, "#%d", tbl->value); 3452 model = tmp; 3453 } 3454 snd_printdd(KERN_INFO "hda_codec: model '%s' is selected " 3455 "for config %x:%x (%s)\n", 3456 model, tbl->subvendor, tbl->subdevice, 3457 (tbl->name ? tbl->name : "Unknown device")); 3458 #endif 3459 return tbl->value; 3460 } 3461 return -1; 3462 } 3463 EXPORT_SYMBOL_HDA(snd_hda_check_board_codec_sid_config); 3464 3465 /** 3466 * snd_hda_add_new_ctls - create controls from the array 3467 * @codec: the HDA codec 3468 * @knew: the array of struct snd_kcontrol_new 3469 * 3470 * This helper function creates and add new controls in the given array. 3471 * The array must be terminated with an empty entry as terminator. 3472 * 3473 * Returns 0 if successful, or a negative error code. 3474 */ 3475 int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew) 3476 { 3477 int err; 3478 3479 for (; knew->name; knew++) { 3480 struct snd_kcontrol *kctl; 3481 kctl = snd_ctl_new1(knew, codec); 3482 if (!kctl) 3483 return -ENOMEM; 3484 err = snd_hda_ctl_add(codec, 0, kctl); 3485 if (err < 0) { 3486 if (!codec->addr) 3487 return err; 3488 kctl = snd_ctl_new1(knew, codec); 3489 if (!kctl) 3490 return -ENOMEM; 3491 kctl->id.device = codec->addr; 3492 err = snd_hda_ctl_add(codec, 0, kctl); 3493 if (err < 0) 3494 return err; 3495 } 3496 } 3497 return 0; 3498 } 3499 EXPORT_SYMBOL_HDA(snd_hda_add_new_ctls); 3500 3501 #ifdef CONFIG_SND_HDA_POWER_SAVE 3502 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg, 3503 unsigned int power_state); 3504 3505 static void hda_power_work(struct work_struct *work) 3506 { 3507 struct hda_codec *codec = 3508 container_of(work, struct hda_codec, power_work.work); 3509 struct hda_bus *bus = codec->bus; 3510 3511 if (!codec->power_on || codec->power_count) { 3512 codec->power_transition = 0; 3513 return; 3514 } 3515 3516 hda_call_codec_suspend(codec); 3517 if (bus->ops.pm_notify) 3518 bus->ops.pm_notify(bus); 3519 } 3520 3521 static void hda_keep_power_on(struct hda_codec *codec) 3522 { 3523 codec->power_count++; 3524 codec->power_on = 1; 3525 codec->power_jiffies = jiffies; 3526 } 3527 3528 /* update the power on/off account with the current jiffies */ 3529 void snd_hda_update_power_acct(struct hda_codec *codec) 3530 { 3531 unsigned long delta = jiffies - codec->power_jiffies; 3532 if (codec->power_on) 3533 codec->power_on_acct += delta; 3534 else 3535 codec->power_off_acct += delta; 3536 codec->power_jiffies += delta; 3537 } 3538 3539 /** 3540 * snd_hda_power_up - Power-up the codec 3541 * @codec: HD-audio codec 3542 * 3543 * Increment the power-up counter and power up the hardware really when 3544 * not turned on yet. 3545 */ 3546 void snd_hda_power_up(struct hda_codec *codec) 3547 { 3548 struct hda_bus *bus = codec->bus; 3549 3550 codec->power_count++; 3551 if (codec->power_on || codec->power_transition) 3552 return; 3553 3554 snd_hda_update_power_acct(codec); 3555 codec->power_on = 1; 3556 codec->power_jiffies = jiffies; 3557 if (bus->ops.pm_notify) 3558 bus->ops.pm_notify(bus); 3559 hda_call_codec_resume(codec); 3560 cancel_delayed_work(&codec->power_work); 3561 codec->power_transition = 0; 3562 } 3563 EXPORT_SYMBOL_HDA(snd_hda_power_up); 3564 3565 #define power_save(codec) \ 3566 ((codec)->bus->power_save ? *(codec)->bus->power_save : 0) 3567 3568 /** 3569 * snd_hda_power_down - Power-down the codec 3570 * @codec: HD-audio codec 3571 * 3572 * Decrement the power-up counter and schedules the power-off work if 3573 * the counter rearches to zero. 3574 */ 3575 void snd_hda_power_down(struct hda_codec *codec) 3576 { 3577 --codec->power_count; 3578 if (!codec->power_on || codec->power_count || codec->power_transition) 3579 return; 3580 if (power_save(codec)) { 3581 codec->power_transition = 1; /* avoid reentrance */ 3582 queue_delayed_work(codec->bus->workq, &codec->power_work, 3583 msecs_to_jiffies(power_save(codec) * 1000)); 3584 } 3585 } 3586 EXPORT_SYMBOL_HDA(snd_hda_power_down); 3587 3588 /** 3589 * snd_hda_check_amp_list_power - Check the amp list and update the power 3590 * @codec: HD-audio codec 3591 * @check: the object containing an AMP list and the status 3592 * @nid: NID to check / update 3593 * 3594 * Check whether the given NID is in the amp list. If it's in the list, 3595 * check the current AMP status, and update the the power-status according 3596 * to the mute status. 3597 * 3598 * This function is supposed to be set or called from the check_power_status 3599 * patch ops. 3600 */ 3601 int snd_hda_check_amp_list_power(struct hda_codec *codec, 3602 struct hda_loopback_check *check, 3603 hda_nid_t nid) 3604 { 3605 struct hda_amp_list *p; 3606 int ch, v; 3607 3608 if (!check->amplist) 3609 return 0; 3610 for (p = check->amplist; p->nid; p++) { 3611 if (p->nid == nid) 3612 break; 3613 } 3614 if (!p->nid) 3615 return 0; /* nothing changed */ 3616 3617 for (p = check->amplist; p->nid; p++) { 3618 for (ch = 0; ch < 2; ch++) { 3619 v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir, 3620 p->idx); 3621 if (!(v & HDA_AMP_MUTE) && v > 0) { 3622 if (!check->power_on) { 3623 check->power_on = 1; 3624 snd_hda_power_up(codec); 3625 } 3626 return 1; 3627 } 3628 } 3629 } 3630 if (check->power_on) { 3631 check->power_on = 0; 3632 snd_hda_power_down(codec); 3633 } 3634 return 0; 3635 } 3636 EXPORT_SYMBOL_HDA(snd_hda_check_amp_list_power); 3637 #endif 3638 3639 /* 3640 * Channel mode helper 3641 */ 3642 3643 /** 3644 * snd_hda_ch_mode_info - Info callback helper for the channel mode enum 3645 */ 3646 int snd_hda_ch_mode_info(struct hda_codec *codec, 3647 struct snd_ctl_elem_info *uinfo, 3648 const struct hda_channel_mode *chmode, 3649 int num_chmodes) 3650 { 3651 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 3652 uinfo->count = 1; 3653 uinfo->value.enumerated.items = num_chmodes; 3654 if (uinfo->value.enumerated.item >= num_chmodes) 3655 uinfo->value.enumerated.item = num_chmodes - 1; 3656 sprintf(uinfo->value.enumerated.name, "%dch", 3657 chmode[uinfo->value.enumerated.item].channels); 3658 return 0; 3659 } 3660 EXPORT_SYMBOL_HDA(snd_hda_ch_mode_info); 3661 3662 /** 3663 * snd_hda_ch_mode_get - Get callback helper for the channel mode enum 3664 */ 3665 int snd_hda_ch_mode_get(struct hda_codec *codec, 3666 struct snd_ctl_elem_value *ucontrol, 3667 const struct hda_channel_mode *chmode, 3668 int num_chmodes, 3669 int max_channels) 3670 { 3671 int i; 3672 3673 for (i = 0; i < num_chmodes; i++) { 3674 if (max_channels == chmode[i].channels) { 3675 ucontrol->value.enumerated.item[0] = i; 3676 break; 3677 } 3678 } 3679 return 0; 3680 } 3681 EXPORT_SYMBOL_HDA(snd_hda_ch_mode_get); 3682 3683 /** 3684 * snd_hda_ch_mode_put - Put callback helper for the channel mode enum 3685 */ 3686 int snd_hda_ch_mode_put(struct hda_codec *codec, 3687 struct snd_ctl_elem_value *ucontrol, 3688 const struct hda_channel_mode *chmode, 3689 int num_chmodes, 3690 int *max_channelsp) 3691 { 3692 unsigned int mode; 3693 3694 mode = ucontrol->value.enumerated.item[0]; 3695 if (mode >= num_chmodes) 3696 return -EINVAL; 3697 if (*max_channelsp == chmode[mode].channels) 3698 return 0; 3699 /* change the current channel setting */ 3700 *max_channelsp = chmode[mode].channels; 3701 if (chmode[mode].sequence) 3702 snd_hda_sequence_write_cache(codec, chmode[mode].sequence); 3703 return 1; 3704 } 3705 EXPORT_SYMBOL_HDA(snd_hda_ch_mode_put); 3706 3707 /* 3708 * input MUX helper 3709 */ 3710 3711 /** 3712 * snd_hda_input_mux_info_info - Info callback helper for the input-mux enum 3713 */ 3714 int snd_hda_input_mux_info(const struct hda_input_mux *imux, 3715 struct snd_ctl_elem_info *uinfo) 3716 { 3717 unsigned int index; 3718 3719 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 3720 uinfo->count = 1; 3721 uinfo->value.enumerated.items = imux->num_items; 3722 if (!imux->num_items) 3723 return 0; 3724 index = uinfo->value.enumerated.item; 3725 if (index >= imux->num_items) 3726 index = imux->num_items - 1; 3727 strcpy(uinfo->value.enumerated.name, imux->items[index].label); 3728 return 0; 3729 } 3730 EXPORT_SYMBOL_HDA(snd_hda_input_mux_info); 3731 3732 /** 3733 * snd_hda_input_mux_info_put - Put callback helper for the input-mux enum 3734 */ 3735 int snd_hda_input_mux_put(struct hda_codec *codec, 3736 const struct hda_input_mux *imux, 3737 struct snd_ctl_elem_value *ucontrol, 3738 hda_nid_t nid, 3739 unsigned int *cur_val) 3740 { 3741 unsigned int idx; 3742 3743 if (!imux->num_items) 3744 return 0; 3745 idx = ucontrol->value.enumerated.item[0]; 3746 if (idx >= imux->num_items) 3747 idx = imux->num_items - 1; 3748 if (*cur_val == idx) 3749 return 0; 3750 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL, 3751 imux->items[idx].index); 3752 *cur_val = idx; 3753 return 1; 3754 } 3755 EXPORT_SYMBOL_HDA(snd_hda_input_mux_put); 3756 3757 3758 /* 3759 * Multi-channel / digital-out PCM helper functions 3760 */ 3761 3762 /* setup SPDIF output stream */ 3763 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid, 3764 unsigned int stream_tag, unsigned int format) 3765 { 3766 /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */ 3767 if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) 3768 set_dig_out_convert(codec, nid, 3769 codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff, 3770 -1); 3771 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format); 3772 if (codec->slave_dig_outs) { 3773 hda_nid_t *d; 3774 for (d = codec->slave_dig_outs; *d; d++) 3775 snd_hda_codec_setup_stream(codec, *d, stream_tag, 0, 3776 format); 3777 } 3778 /* turn on again (if needed) */ 3779 if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) 3780 set_dig_out_convert(codec, nid, 3781 codec->spdif_ctls & 0xff, -1); 3782 } 3783 3784 static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid) 3785 { 3786 snd_hda_codec_cleanup_stream(codec, nid); 3787 if (codec->slave_dig_outs) { 3788 hda_nid_t *d; 3789 for (d = codec->slave_dig_outs; *d; d++) 3790 snd_hda_codec_cleanup_stream(codec, *d); 3791 } 3792 } 3793 3794 /** 3795 * snd_hda_bus_reboot_notify - call the reboot notifier of each codec 3796 * @bus: HD-audio bus 3797 */ 3798 void snd_hda_bus_reboot_notify(struct hda_bus *bus) 3799 { 3800 struct hda_codec *codec; 3801 3802 if (!bus) 3803 return; 3804 list_for_each_entry(codec, &bus->codec_list, list) { 3805 #ifdef CONFIG_SND_HDA_POWER_SAVE 3806 if (!codec->power_on) 3807 continue; 3808 #endif 3809 if (codec->patch_ops.reboot_notify) 3810 codec->patch_ops.reboot_notify(codec); 3811 } 3812 } 3813 EXPORT_SYMBOL_HDA(snd_hda_bus_reboot_notify); 3814 3815 /** 3816 * snd_hda_multi_out_dig_open - open the digital out in the exclusive mode 3817 */ 3818 int snd_hda_multi_out_dig_open(struct hda_codec *codec, 3819 struct hda_multi_out *mout) 3820 { 3821 mutex_lock(&codec->spdif_mutex); 3822 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP) 3823 /* already opened as analog dup; reset it once */ 3824 cleanup_dig_out_stream(codec, mout->dig_out_nid); 3825 mout->dig_out_used = HDA_DIG_EXCLUSIVE; 3826 mutex_unlock(&codec->spdif_mutex); 3827 return 0; 3828 } 3829 EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_open); 3830 3831 /** 3832 * snd_hda_multi_out_dig_prepare - prepare the digital out stream 3833 */ 3834 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec, 3835 struct hda_multi_out *mout, 3836 unsigned int stream_tag, 3837 unsigned int format, 3838 struct snd_pcm_substream *substream) 3839 { 3840 mutex_lock(&codec->spdif_mutex); 3841 setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format); 3842 mutex_unlock(&codec->spdif_mutex); 3843 return 0; 3844 } 3845 EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_prepare); 3846 3847 /** 3848 * snd_hda_multi_out_dig_cleanup - clean-up the digital out stream 3849 */ 3850 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec, 3851 struct hda_multi_out *mout) 3852 { 3853 mutex_lock(&codec->spdif_mutex); 3854 cleanup_dig_out_stream(codec, mout->dig_out_nid); 3855 mutex_unlock(&codec->spdif_mutex); 3856 return 0; 3857 } 3858 EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_cleanup); 3859 3860 /** 3861 * snd_hda_multi_out_dig_close - release the digital out stream 3862 */ 3863 int snd_hda_multi_out_dig_close(struct hda_codec *codec, 3864 struct hda_multi_out *mout) 3865 { 3866 mutex_lock(&codec->spdif_mutex); 3867 mout->dig_out_used = 0; 3868 mutex_unlock(&codec->spdif_mutex); 3869 return 0; 3870 } 3871 EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_close); 3872 3873 /** 3874 * snd_hda_multi_out_analog_open - open analog outputs 3875 * 3876 * Open analog outputs and set up the hw-constraints. 3877 * If the digital outputs can be opened as slave, open the digital 3878 * outputs, too. 3879 */ 3880 int snd_hda_multi_out_analog_open(struct hda_codec *codec, 3881 struct hda_multi_out *mout, 3882 struct snd_pcm_substream *substream, 3883 struct hda_pcm_stream *hinfo) 3884 { 3885 struct snd_pcm_runtime *runtime = substream->runtime; 3886 runtime->hw.channels_max = mout->max_channels; 3887 if (mout->dig_out_nid) { 3888 if (!mout->analog_rates) { 3889 mout->analog_rates = hinfo->rates; 3890 mout->analog_formats = hinfo->formats; 3891 mout->analog_maxbps = hinfo->maxbps; 3892 } else { 3893 runtime->hw.rates = mout->analog_rates; 3894 runtime->hw.formats = mout->analog_formats; 3895 hinfo->maxbps = mout->analog_maxbps; 3896 } 3897 if (!mout->spdif_rates) { 3898 snd_hda_query_supported_pcm(codec, mout->dig_out_nid, 3899 &mout->spdif_rates, 3900 &mout->spdif_formats, 3901 &mout->spdif_maxbps); 3902 } 3903 mutex_lock(&codec->spdif_mutex); 3904 if (mout->share_spdif) { 3905 if ((runtime->hw.rates & mout->spdif_rates) && 3906 (runtime->hw.formats & mout->spdif_formats)) { 3907 runtime->hw.rates &= mout->spdif_rates; 3908 runtime->hw.formats &= mout->spdif_formats; 3909 if (mout->spdif_maxbps < hinfo->maxbps) 3910 hinfo->maxbps = mout->spdif_maxbps; 3911 } else { 3912 mout->share_spdif = 0; 3913 /* FIXME: need notify? */ 3914 } 3915 } 3916 mutex_unlock(&codec->spdif_mutex); 3917 } 3918 return snd_pcm_hw_constraint_step(substream->runtime, 0, 3919 SNDRV_PCM_HW_PARAM_CHANNELS, 2); 3920 } 3921 EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_open); 3922 3923 /** 3924 * snd_hda_multi_out_analog_prepare - Preapre the analog outputs. 3925 * 3926 * Set up the i/o for analog out. 3927 * When the digital out is available, copy the front out to digital out, too. 3928 */ 3929 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, 3930 struct hda_multi_out *mout, 3931 unsigned int stream_tag, 3932 unsigned int format, 3933 struct snd_pcm_substream *substream) 3934 { 3935 hda_nid_t *nids = mout->dac_nids; 3936 int chs = substream->runtime->channels; 3937 int i; 3938 3939 mutex_lock(&codec->spdif_mutex); 3940 if (mout->dig_out_nid && mout->share_spdif && 3941 mout->dig_out_used != HDA_DIG_EXCLUSIVE) { 3942 if (chs == 2 && 3943 snd_hda_is_supported_format(codec, mout->dig_out_nid, 3944 format) && 3945 !(codec->spdif_status & IEC958_AES0_NONAUDIO)) { 3946 mout->dig_out_used = HDA_DIG_ANALOG_DUP; 3947 setup_dig_out_stream(codec, mout->dig_out_nid, 3948 stream_tag, format); 3949 } else { 3950 mout->dig_out_used = 0; 3951 cleanup_dig_out_stream(codec, mout->dig_out_nid); 3952 } 3953 } 3954 mutex_unlock(&codec->spdif_mutex); 3955 3956 /* front */ 3957 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag, 3958 0, format); 3959 if (!mout->no_share_stream && 3960 mout->hp_nid && mout->hp_nid != nids[HDA_FRONT]) 3961 /* headphone out will just decode front left/right (stereo) */ 3962 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag, 3963 0, format); 3964 /* extra outputs copied from front */ 3965 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) 3966 if (!mout->no_share_stream && mout->extra_out_nid[i]) 3967 snd_hda_codec_setup_stream(codec, 3968 mout->extra_out_nid[i], 3969 stream_tag, 0, format); 3970 3971 /* surrounds */ 3972 for (i = 1; i < mout->num_dacs; i++) { 3973 if (chs >= (i + 1) * 2) /* independent out */ 3974 snd_hda_codec_setup_stream(codec, nids[i], stream_tag, 3975 i * 2, format); 3976 else if (!mout->no_share_stream) /* copy front */ 3977 snd_hda_codec_setup_stream(codec, nids[i], stream_tag, 3978 0, format); 3979 } 3980 return 0; 3981 } 3982 EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_prepare); 3983 3984 /** 3985 * snd_hda_multi_out_analog_cleanup - clean up the setting for analog out 3986 */ 3987 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec, 3988 struct hda_multi_out *mout) 3989 { 3990 hda_nid_t *nids = mout->dac_nids; 3991 int i; 3992 3993 for (i = 0; i < mout->num_dacs; i++) 3994 snd_hda_codec_cleanup_stream(codec, nids[i]); 3995 if (mout->hp_nid) 3996 snd_hda_codec_cleanup_stream(codec, mout->hp_nid); 3997 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) 3998 if (mout->extra_out_nid[i]) 3999 snd_hda_codec_cleanup_stream(codec, 4000 mout->extra_out_nid[i]); 4001 mutex_lock(&codec->spdif_mutex); 4002 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) { 4003 cleanup_dig_out_stream(codec, mout->dig_out_nid); 4004 mout->dig_out_used = 0; 4005 } 4006 mutex_unlock(&codec->spdif_mutex); 4007 return 0; 4008 } 4009 EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_cleanup); 4010 4011 /* 4012 * Helper for automatic pin configuration 4013 */ 4014 4015 static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list) 4016 { 4017 for (; *list; list++) 4018 if (*list == nid) 4019 return 1; 4020 return 0; 4021 } 4022 4023 4024 /* 4025 * Sort an associated group of pins according to their sequence numbers. 4026 */ 4027 static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences, 4028 int num_pins) 4029 { 4030 int i, j; 4031 short seq; 4032 hda_nid_t nid; 4033 4034 for (i = 0; i < num_pins; i++) { 4035 for (j = i + 1; j < num_pins; j++) { 4036 if (sequences[i] > sequences[j]) { 4037 seq = sequences[i]; 4038 sequences[i] = sequences[j]; 4039 sequences[j] = seq; 4040 nid = pins[i]; 4041 pins[i] = pins[j]; 4042 pins[j] = nid; 4043 } 4044 } 4045 } 4046 } 4047 4048 4049 /* 4050 * Parse all pin widgets and store the useful pin nids to cfg 4051 * 4052 * The number of line-outs or any primary output is stored in line_outs, 4053 * and the corresponding output pins are assigned to line_out_pins[], 4054 * in the order of front, rear, CLFE, side, ... 4055 * 4056 * If more extra outputs (speaker and headphone) are found, the pins are 4057 * assisnged to hp_pins[] and speaker_pins[], respectively. If no line-out jack 4058 * is detected, one of speaker of HP pins is assigned as the primary 4059 * output, i.e. to line_out_pins[0]. So, line_outs is always positive 4060 * if any analog output exists. 4061 * 4062 * The analog input pins are assigned to input_pins array. 4063 * The digital input/output pins are assigned to dig_in_pin and dig_out_pin, 4064 * respectively. 4065 */ 4066 int snd_hda_parse_pin_def_config(struct hda_codec *codec, 4067 struct auto_pin_cfg *cfg, 4068 hda_nid_t *ignore_nids) 4069 { 4070 hda_nid_t nid, end_nid; 4071 short seq, assoc_line_out, assoc_speaker; 4072 short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)]; 4073 short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)]; 4074 short sequences_hp[ARRAY_SIZE(cfg->hp_pins)]; 4075 4076 memset(cfg, 0, sizeof(*cfg)); 4077 4078 memset(sequences_line_out, 0, sizeof(sequences_line_out)); 4079 memset(sequences_speaker, 0, sizeof(sequences_speaker)); 4080 memset(sequences_hp, 0, sizeof(sequences_hp)); 4081 assoc_line_out = assoc_speaker = 0; 4082 4083 end_nid = codec->start_nid + codec->num_nodes; 4084 for (nid = codec->start_nid; nid < end_nid; nid++) { 4085 unsigned int wid_caps = get_wcaps(codec, nid); 4086 unsigned int wid_type = get_wcaps_type(wid_caps); 4087 unsigned int def_conf; 4088 short assoc, loc; 4089 4090 /* read all default configuration for pin complex */ 4091 if (wid_type != AC_WID_PIN) 4092 continue; 4093 /* ignore the given nids (e.g. pc-beep returns error) */ 4094 if (ignore_nids && is_in_nid_list(nid, ignore_nids)) 4095 continue; 4096 4097 def_conf = snd_hda_codec_get_pincfg(codec, nid); 4098 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE) 4099 continue; 4100 loc = get_defcfg_location(def_conf); 4101 switch (get_defcfg_device(def_conf)) { 4102 case AC_JACK_LINE_OUT: 4103 seq = get_defcfg_sequence(def_conf); 4104 assoc = get_defcfg_association(def_conf); 4105 4106 if (!(wid_caps & AC_WCAP_STEREO)) 4107 if (!cfg->mono_out_pin) 4108 cfg->mono_out_pin = nid; 4109 if (!assoc) 4110 continue; 4111 if (!assoc_line_out) 4112 assoc_line_out = assoc; 4113 else if (assoc_line_out != assoc) 4114 continue; 4115 if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins)) 4116 continue; 4117 cfg->line_out_pins[cfg->line_outs] = nid; 4118 sequences_line_out[cfg->line_outs] = seq; 4119 cfg->line_outs++; 4120 break; 4121 case AC_JACK_SPEAKER: 4122 seq = get_defcfg_sequence(def_conf); 4123 assoc = get_defcfg_association(def_conf); 4124 if (! assoc) 4125 continue; 4126 if (! assoc_speaker) 4127 assoc_speaker = assoc; 4128 else if (assoc_speaker != assoc) 4129 continue; 4130 if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins)) 4131 continue; 4132 cfg->speaker_pins[cfg->speaker_outs] = nid; 4133 sequences_speaker[cfg->speaker_outs] = seq; 4134 cfg->speaker_outs++; 4135 break; 4136 case AC_JACK_HP_OUT: 4137 seq = get_defcfg_sequence(def_conf); 4138 assoc = get_defcfg_association(def_conf); 4139 if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins)) 4140 continue; 4141 cfg->hp_pins[cfg->hp_outs] = nid; 4142 sequences_hp[cfg->hp_outs] = (assoc << 4) | seq; 4143 cfg->hp_outs++; 4144 break; 4145 case AC_JACK_MIC_IN: { 4146 int preferred, alt; 4147 if (loc == AC_JACK_LOC_FRONT) { 4148 preferred = AUTO_PIN_FRONT_MIC; 4149 alt = AUTO_PIN_MIC; 4150 } else { 4151 preferred = AUTO_PIN_MIC; 4152 alt = AUTO_PIN_FRONT_MIC; 4153 } 4154 if (!cfg->input_pins[preferred]) 4155 cfg->input_pins[preferred] = nid; 4156 else if (!cfg->input_pins[alt]) 4157 cfg->input_pins[alt] = nid; 4158 break; 4159 } 4160 case AC_JACK_LINE_IN: 4161 if (loc == AC_JACK_LOC_FRONT) 4162 cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid; 4163 else 4164 cfg->input_pins[AUTO_PIN_LINE] = nid; 4165 break; 4166 case AC_JACK_CD: 4167 cfg->input_pins[AUTO_PIN_CD] = nid; 4168 break; 4169 case AC_JACK_AUX: 4170 cfg->input_pins[AUTO_PIN_AUX] = nid; 4171 break; 4172 case AC_JACK_SPDIF_OUT: 4173 case AC_JACK_DIG_OTHER_OUT: 4174 if (cfg->dig_outs >= ARRAY_SIZE(cfg->dig_out_pins)) 4175 continue; 4176 cfg->dig_out_pins[cfg->dig_outs] = nid; 4177 cfg->dig_out_type[cfg->dig_outs] = 4178 (loc == AC_JACK_LOC_HDMI) ? 4179 HDA_PCM_TYPE_HDMI : HDA_PCM_TYPE_SPDIF; 4180 cfg->dig_outs++; 4181 break; 4182 case AC_JACK_SPDIF_IN: 4183 case AC_JACK_DIG_OTHER_IN: 4184 cfg->dig_in_pin = nid; 4185 if (loc == AC_JACK_LOC_HDMI) 4186 cfg->dig_in_type = HDA_PCM_TYPE_HDMI; 4187 else 4188 cfg->dig_in_type = HDA_PCM_TYPE_SPDIF; 4189 break; 4190 } 4191 } 4192 4193 /* FIX-UP: 4194 * If no line-out is defined but multiple HPs are found, 4195 * some of them might be the real line-outs. 4196 */ 4197 if (!cfg->line_outs && cfg->hp_outs > 1) { 4198 int i = 0; 4199 while (i < cfg->hp_outs) { 4200 /* The real HPs should have the sequence 0x0f */ 4201 if ((sequences_hp[i] & 0x0f) == 0x0f) { 4202 i++; 4203 continue; 4204 } 4205 /* Move it to the line-out table */ 4206 cfg->line_out_pins[cfg->line_outs] = cfg->hp_pins[i]; 4207 sequences_line_out[cfg->line_outs] = sequences_hp[i]; 4208 cfg->line_outs++; 4209 cfg->hp_outs--; 4210 memmove(cfg->hp_pins + i, cfg->hp_pins + i + 1, 4211 sizeof(cfg->hp_pins[0]) * (cfg->hp_outs - i)); 4212 memmove(sequences_hp + i - 1, sequences_hp + i, 4213 sizeof(sequences_hp[0]) * (cfg->hp_outs - i)); 4214 } 4215 } 4216 4217 /* sort by sequence */ 4218 sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out, 4219 cfg->line_outs); 4220 sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker, 4221 cfg->speaker_outs); 4222 sort_pins_by_sequence(cfg->hp_pins, sequences_hp, 4223 cfg->hp_outs); 4224 4225 /* if we have only one mic, make it AUTO_PIN_MIC */ 4226 if (!cfg->input_pins[AUTO_PIN_MIC] && 4227 cfg->input_pins[AUTO_PIN_FRONT_MIC]) { 4228 cfg->input_pins[AUTO_PIN_MIC] = 4229 cfg->input_pins[AUTO_PIN_FRONT_MIC]; 4230 cfg->input_pins[AUTO_PIN_FRONT_MIC] = 0; 4231 } 4232 /* ditto for line-in */ 4233 if (!cfg->input_pins[AUTO_PIN_LINE] && 4234 cfg->input_pins[AUTO_PIN_FRONT_LINE]) { 4235 cfg->input_pins[AUTO_PIN_LINE] = 4236 cfg->input_pins[AUTO_PIN_FRONT_LINE]; 4237 cfg->input_pins[AUTO_PIN_FRONT_LINE] = 0; 4238 } 4239 4240 /* 4241 * FIX-UP: if no line-outs are detected, try to use speaker or HP pin 4242 * as a primary output 4243 */ 4244 if (!cfg->line_outs) { 4245 if (cfg->speaker_outs) { 4246 cfg->line_outs = cfg->speaker_outs; 4247 memcpy(cfg->line_out_pins, cfg->speaker_pins, 4248 sizeof(cfg->speaker_pins)); 4249 cfg->speaker_outs = 0; 4250 memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins)); 4251 cfg->line_out_type = AUTO_PIN_SPEAKER_OUT; 4252 } else if (cfg->hp_outs) { 4253 cfg->line_outs = cfg->hp_outs; 4254 memcpy(cfg->line_out_pins, cfg->hp_pins, 4255 sizeof(cfg->hp_pins)); 4256 cfg->hp_outs = 0; 4257 memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins)); 4258 cfg->line_out_type = AUTO_PIN_HP_OUT; 4259 } 4260 } 4261 4262 /* Reorder the surround channels 4263 * ALSA sequence is front/surr/clfe/side 4264 * HDA sequence is: 4265 * 4-ch: front/surr => OK as it is 4266 * 6-ch: front/clfe/surr 4267 * 8-ch: front/clfe/rear/side|fc 4268 */ 4269 switch (cfg->line_outs) { 4270 case 3: 4271 case 4: 4272 nid = cfg->line_out_pins[1]; 4273 cfg->line_out_pins[1] = cfg->line_out_pins[2]; 4274 cfg->line_out_pins[2] = nid; 4275 break; 4276 } 4277 4278 /* 4279 * debug prints of the parsed results 4280 */ 4281 snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n", 4282 cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1], 4283 cfg->line_out_pins[2], cfg->line_out_pins[3], 4284 cfg->line_out_pins[4]); 4285 snd_printd(" speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n", 4286 cfg->speaker_outs, cfg->speaker_pins[0], 4287 cfg->speaker_pins[1], cfg->speaker_pins[2], 4288 cfg->speaker_pins[3], cfg->speaker_pins[4]); 4289 snd_printd(" hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n", 4290 cfg->hp_outs, cfg->hp_pins[0], 4291 cfg->hp_pins[1], cfg->hp_pins[2], 4292 cfg->hp_pins[3], cfg->hp_pins[4]); 4293 snd_printd(" mono: mono_out=0x%x\n", cfg->mono_out_pin); 4294 if (cfg->dig_outs) 4295 snd_printd(" dig-out=0x%x/0x%x\n", 4296 cfg->dig_out_pins[0], cfg->dig_out_pins[1]); 4297 snd_printd(" inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x," 4298 " cd=0x%x, aux=0x%x\n", 4299 cfg->input_pins[AUTO_PIN_MIC], 4300 cfg->input_pins[AUTO_PIN_FRONT_MIC], 4301 cfg->input_pins[AUTO_PIN_LINE], 4302 cfg->input_pins[AUTO_PIN_FRONT_LINE], 4303 cfg->input_pins[AUTO_PIN_CD], 4304 cfg->input_pins[AUTO_PIN_AUX]); 4305 if (cfg->dig_in_pin) 4306 snd_printd(" dig-in=0x%x\n", cfg->dig_in_pin); 4307 4308 return 0; 4309 } 4310 EXPORT_SYMBOL_HDA(snd_hda_parse_pin_def_config); 4311 4312 /* labels for input pins */ 4313 const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = { 4314 "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux" 4315 }; 4316 EXPORT_SYMBOL_HDA(auto_pin_cfg_labels); 4317 4318 4319 #ifdef CONFIG_PM 4320 /* 4321 * power management 4322 */ 4323 4324 /** 4325 * snd_hda_suspend - suspend the codecs 4326 * @bus: the HDA bus 4327 * 4328 * Returns 0 if successful. 4329 */ 4330 int snd_hda_suspend(struct hda_bus *bus) 4331 { 4332 struct hda_codec *codec; 4333 4334 list_for_each_entry(codec, &bus->codec_list, list) { 4335 #ifdef CONFIG_SND_HDA_POWER_SAVE 4336 if (!codec->power_on) 4337 continue; 4338 #endif 4339 hda_call_codec_suspend(codec); 4340 } 4341 return 0; 4342 } 4343 EXPORT_SYMBOL_HDA(snd_hda_suspend); 4344 4345 /** 4346 * snd_hda_resume - resume the codecs 4347 * @bus: the HDA bus 4348 * 4349 * Returns 0 if successful. 4350 * 4351 * This fucntion is defined only when POWER_SAVE isn't set. 4352 * In the power-save mode, the codec is resumed dynamically. 4353 */ 4354 int snd_hda_resume(struct hda_bus *bus) 4355 { 4356 struct hda_codec *codec; 4357 4358 list_for_each_entry(codec, &bus->codec_list, list) { 4359 if (snd_hda_codec_needs_resume(codec)) 4360 hda_call_codec_resume(codec); 4361 } 4362 return 0; 4363 } 4364 EXPORT_SYMBOL_HDA(snd_hda_resume); 4365 #endif /* CONFIG_PM */ 4366 4367 /* 4368 * generic arrays 4369 */ 4370 4371 /** 4372 * snd_array_new - get a new element from the given array 4373 * @array: the array object 4374 * 4375 * Get a new element from the given array. If it exceeds the 4376 * pre-allocated array size, re-allocate the array. 4377 * 4378 * Returns NULL if allocation failed. 4379 */ 4380 void *snd_array_new(struct snd_array *array) 4381 { 4382 if (array->used >= array->alloced) { 4383 int num = array->alloced + array->alloc_align; 4384 void *nlist; 4385 if (snd_BUG_ON(num >= 4096)) 4386 return NULL; 4387 nlist = kcalloc(num + 1, array->elem_size, GFP_KERNEL); 4388 if (!nlist) 4389 return NULL; 4390 if (array->list) { 4391 memcpy(nlist, array->list, 4392 array->elem_size * array->alloced); 4393 kfree(array->list); 4394 } 4395 array->list = nlist; 4396 array->alloced = num; 4397 } 4398 return snd_array_elem(array, array->used++); 4399 } 4400 EXPORT_SYMBOL_HDA(snd_array_new); 4401 4402 /** 4403 * snd_array_free - free the given array elements 4404 * @array: the array object 4405 */ 4406 void snd_array_free(struct snd_array *array) 4407 { 4408 kfree(array->list); 4409 array->used = 0; 4410 array->alloced = 0; 4411 array->list = NULL; 4412 } 4413 EXPORT_SYMBOL_HDA(snd_array_free); 4414 4415 /** 4416 * snd_print_pcm_rates - Print the supported PCM rates to the string buffer 4417 * @pcm: PCM caps bits 4418 * @buf: the string buffer to write 4419 * @buflen: the max buffer length 4420 * 4421 * used by hda_proc.c and hda_eld.c 4422 */ 4423 void snd_print_pcm_rates(int pcm, char *buf, int buflen) 4424 { 4425 static unsigned int rates[] = { 4426 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200, 4427 96000, 176400, 192000, 384000 4428 }; 4429 int i, j; 4430 4431 for (i = 0, j = 0; i < ARRAY_SIZE(rates); i++) 4432 if (pcm & (1 << i)) 4433 j += snprintf(buf + j, buflen - j, " %d", rates[i]); 4434 4435 buf[j] = '\0'; /* necessary when j == 0 */ 4436 } 4437 EXPORT_SYMBOL_HDA(snd_print_pcm_rates); 4438 4439 /** 4440 * snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer 4441 * @pcm: PCM caps bits 4442 * @buf: the string buffer to write 4443 * @buflen: the max buffer length 4444 * 4445 * used by hda_proc.c and hda_eld.c 4446 */ 4447 void snd_print_pcm_bits(int pcm, char *buf, int buflen) 4448 { 4449 static unsigned int bits[] = { 8, 16, 20, 24, 32 }; 4450 int i, j; 4451 4452 for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++) 4453 if (pcm & (AC_SUPPCM_BITS_8 << i)) 4454 j += snprintf(buf + j, buflen - j, " %d", bits[i]); 4455 4456 buf[j] = '\0'; /* necessary when j == 0 */ 4457 } 4458 EXPORT_SYMBOL_HDA(snd_print_pcm_bits); 4459 4460 MODULE_DESCRIPTION("HDA codec core"); 4461 MODULE_LICENSE("GPL"); 4462