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   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 <sound/hda_hwdep.h>
  34 #include "hda_patch.h"  /* codec presets */
  35
  36 #ifdef CONFIG_SND_HDA_POWER_SAVE
  37 /* define this option here to hide as static */
  38 static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
  39 module_param(power_save, int, 0644);
  40 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
  41                  "(in second, 0 = disable).");
  42 #endif
  43
  44 /*
  45  * vendor / preset table
  46  */
  47
  48 struct hda_vendor_id {
  49         unsigned int id;
  50         const char *name;
  51 };
  52
  53 /* codec vendor labels */
  54 static struct hda_vendor_id hda_vendor_ids[] = {
  55         { 0x1002, "ATI" },
  56         { 0x1057, "Motorola" },
  57         { 0x1095, "Silicon Image" },
  58         { 0x10ec, "Realtek" },
  59         { 0x1106, "VIA" },
  60         { 0x111d, "IDT" },
  61         { 0x11c1, "LSI" },
  62         { 0x11d4, "Analog Devices" },
  63         { 0x13f6, "C-Media" },
  64         { 0x14f1, "Conexant" },
  65         { 0x17e8, "Chrontel" },
  66         { 0x1854, "LG" },
  67         { 0x434d, "C-Media" },
  68         { 0x8384, "SigmaTel" },
  69         {} /* terminator */
  70 };
  71
  72 static const struct hda_codec_preset *hda_preset_tables[] = {
  73 #ifdef CONFIG_SND_HDA_CODEC_REALTEK
  74         snd_hda_preset_realtek,
  75 #endif
  76 #ifdef CONFIG_SND_HDA_CODEC_CMEDIA
  77         snd_hda_preset_cmedia,
  78 #endif
  79 #ifdef CONFIG_SND_HDA_CODEC_ANALOG
  80         snd_hda_preset_analog,
  81 #endif
  82 #ifdef CONFIG_SND_HDA_CODEC_SIGMATEL
  83         snd_hda_preset_sigmatel,
  84 #endif
  85 #ifdef CONFIG_SND_HDA_CODEC_SI3054
  86         snd_hda_preset_si3054,
  87 #endif
  88 #ifdef CONFIG_SND_HDA_CODEC_ATIHDMI
  89         snd_hda_preset_atihdmi,
  90 #endif
  91 #ifdef CONFIG_SND_HDA_CODEC_CONEXANT
  92         snd_hda_preset_conexant,
  93 #endif
  94 #ifdef CONFIG_SND_HDA_CODEC_VIA
  95         snd_hda_preset_via,
  96 #endif
  97         NULL
  98 };
  99
 100 #ifdef CONFIG_SND_HDA_POWER_SAVE
 101 static void hda_power_work(struct work_struct *work);
 102 static void hda_keep_power_on(struct hda_codec *codec);
 103 #else
 104 static inline void hda_keep_power_on(struct hda_codec *codec) {}
 105 #endif
 106
 107 /**
 108  * snd_hda_codec_read - send a command and get the response
 109  * @codec: the HDA codec
 110  * @nid: NID to send the command
 111  * @direct: direct flag
 112  * @verb: the verb to send
 113  * @parm: the parameter for the verb
 114  *
 115  * Send a single command and read the corresponding response.
 116  *
 117  * Returns the obtained response value, or -1 for an error.
 118  */
 119 unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
 120                                 int direct,
 121                                 unsigned int verb, unsigned int parm)
 122 {
 123         unsigned int res;
 124         snd_hda_power_up(codec);
 125         mutex_lock(&codec->bus->cmd_mutex);
 126         if (!codec->bus->ops.command(codec, nid, direct, verb, parm))
 127                 res = codec->bus->ops.get_response(codec);
 128         else
 129                 res = (unsigned int)-1;
 130         mutex_unlock(&codec->bus->cmd_mutex);
 131         snd_hda_power_down(codec);
 132         return res;
 133 }
 134
 135 /**
 136  * snd_hda_codec_write - send a single command without waiting for response
 137  * @codec: the HDA codec
 138  * @nid: NID to send the command
 139  * @direct: direct flag
 140  * @verb: the verb to send
 141  * @parm: the parameter for the verb
 142  *
 143  * Send a single command without waiting for response.
 144  *
 145  * Returns 0 if successful, or a negative error code.
 146  */
 147 int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
 148                          unsigned int verb, unsigned int parm)
 149 {
 150         int err;
 151         snd_hda_power_up(codec);
 152         mutex_lock(&codec->bus->cmd_mutex);
 153         err = codec->bus->ops.command(codec, nid, direct, verb, parm);
 154         mutex_unlock(&codec->bus->cmd_mutex);
 155         snd_hda_power_down(codec);
 156         return err;
 157 }
 158
 159 /**
 160  * snd_hda_sequence_write - sequence writes
 161  * @codec: the HDA codec
 162  * @seq: VERB array to send
 163  *
 164  * Send the commands sequentially from the given array.
 165  * The array must be terminated with NID=0.
 166  */
 167 void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
 168 {
 169         for (; seq->nid; seq++)
 170                 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
 171 }
 172
 173 /**
 174  * snd_hda_get_sub_nodes - get the range of sub nodes
 175  * @codec: the HDA codec
 176  * @nid: NID to parse
 177  * @start_id: the pointer to store the start NID
 178  *
 179  * Parse the NID and store the start NID of its sub-nodes.
 180  * Returns the number of sub-nodes.
 181  */
 182 int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
 183                           hda_nid_t *start_id)
 184 {
 185         unsigned int parm;
 186
 187         parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
 188         if (parm == -1)
 189                 return 0;
 190         *start_id = (parm >> 16) & 0x7fff;
 191         return (int)(parm & 0x7fff);
 192 }
 193
 194 /**
 195  * snd_hda_get_connections - get connection list
 196  * @codec: the HDA codec
 197  * @nid: NID to parse
 198  * @conn_list: connection list array
 199  * @max_conns: max. number of connections to store
 200  *
 201  * Parses the connection list of the given widget and stores the list
 202  * of NIDs.
 203  *
 204  * Returns the number of connections, or a negative error code.
 205  */
 206 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
 207                             hda_nid_t *conn_list, int max_conns)
 208 {
 209         unsigned int parm;
 210         int i, conn_len, conns;
 211         unsigned int shift, num_elems, mask;
 212         hda_nid_t prev_nid;
 213
 214         snd_assert(conn_list && max_conns > 0, return -EINVAL);
 215
 216         parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN);
 217         if (parm & AC_CLIST_LONG) {
 218                 /* long form */
 219                 shift = 16;
 220                 num_elems = 2;
 221         } else {
 222                 /* short form */
 223                 shift = 8;
 224                 num_elems = 4;
 225         }
 226         conn_len = parm & AC_CLIST_LENGTH;
 227         mask = (1 << (shift-1)) - 1;
 228
 229         if (!conn_len)
 230                 return 0; /* no connection */
 231
 232         if (conn_len == 1) {
 233                 /* single connection */
 234                 parm = snd_hda_codec_read(codec, nid, 0,
 235                                           AC_VERB_GET_CONNECT_LIST, 0);
 236                 conn_list[0] = parm & mask;
 237                 return 1;
 238         }
 239
 240         /* multi connection */
 241         conns = 0;
 242         prev_nid = 0;
 243         for (i = 0; i < conn_len; i++) {
 244                 int range_val;
 245                 hda_nid_t val, n;
 246
 247                 if (i % num_elems == 0)
 248                         parm = snd_hda_codec_read(codec, nid, 0,
 249                                                   AC_VERB_GET_CONNECT_LIST, i);
 250                 range_val = !!(parm & (1 << (shift-1))); /* ranges */
 251                 val = parm & mask;
 252                 parm >>= shift;
 253                 if (range_val) {
 254                         /* ranges between the previous and this one */
 255                         if (!prev_nid || prev_nid >= val) {
 256                                 snd_printk(KERN_WARNING "hda_codec: "
 257                                            "invalid dep_range_val %x:%x\n",
 258                                            prev_nid, val);
 259                                 continue;
 260                         }
 261                         for (n = prev_nid + 1; n <= val; n++) {
 262                                 if (conns >= max_conns) {
 263                                         snd_printk(KERN_ERR
 264                                                    "Too many connections\n");
 265                                         return -EINVAL;
 266                                 }
 267                                 conn_list[conns++] = n;
 268                         }
 269                 } else {
 270                         if (conns >= max_conns) {
 271                                 snd_printk(KERN_ERR "Too many connections\n");
 272                                 return -EINVAL;
 273                         }
 274                         conn_list[conns++] = val;
 275                 }
 276                 prev_nid = val;
 277         }
 278         return conns;
 279 }
 280
 281
 282 /**
 283  * snd_hda_queue_unsol_event - add an unsolicited event to queue
 284  * @bus: the BUS
 285  * @res: unsolicited event (lower 32bit of RIRB entry)
 286  * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
 287  *
 288  * Adds the given event to the queue.  The events are processed in
 289  * the workqueue asynchronously.  Call this function in the interrupt
 290  * hanlder when RIRB receives an unsolicited event.
 291  *
 292  * Returns 0 if successful, or a negative error code.
 293  */
 294 int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
 295 {
 296         struct hda_bus_unsolicited *unsol;
 297         unsigned int wp;
 298
 299         unsol = bus->unsol;
 300         if (!unsol)
 301                 return 0;
 302
 303         wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
 304         unsol->wp = wp;
 305
 306         wp <<= 1;
 307         unsol->queue[wp] = res;
 308         unsol->queue[wp + 1] = res_ex;
 309
 310         schedule_work(&unsol->work);
 311
 312         return 0;
 313 }
 314
 315 /*
 316  * process queueud unsolicited events
 317  */
 318 static void process_unsol_events(struct work_struct *work)
 319 {
 320         struct hda_bus_unsolicited *unsol =
 321                 container_of(work, struct hda_bus_unsolicited, work);
 322         struct hda_bus *bus = unsol->bus;
 323         struct hda_codec *codec;
 324         unsigned int rp, caddr, res;
 325
 326         while (unsol->rp != unsol->wp) {
 327                 rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE;
 328                 unsol->rp = rp;
 329                 rp <<= 1;
 330                 res = unsol->queue[rp];
 331                 caddr = unsol->queue[rp + 1];
 332                 if (!(caddr & (1 << 4))) /* no unsolicited event? */
 333                         continue;
 334                 codec = bus->caddr_tbl[caddr & 0x0f];
 335                 if (codec && codec->patch_ops.unsol_event)
 336                         codec->patch_ops.unsol_event(codec, res);
 337         }
 338 }
 339
 340 /*
 341  * initialize unsolicited queue
 342  */
 343 static int __devinit init_unsol_queue(struct hda_bus *bus)
 344 {
 345         struct hda_bus_unsolicited *unsol;
 346
 347         if (bus->unsol) /* already initialized */
 348                 return 0;
 349
 350         unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
 351         if (!unsol) {
 352                 snd_printk(KERN_ERR "hda_codec: "
 353                            "can't allocate unsolicited queue\n");
 354                 return -ENOMEM;
 355         }
 356         INIT_WORK(&unsol->work, process_unsol_events);
 357         unsol->bus = bus;
 358         bus->unsol = unsol;
 359         return 0;
 360 }
 361
 362 /*
 363  * destructor
 364  */
 365 static void snd_hda_codec_free(struct hda_codec *codec);
 366
 367 static int snd_hda_bus_free(struct hda_bus *bus)
 368 {
 369         struct hda_codec *codec, *n;
 370
 371         if (!bus)
 372                 return 0;
 373         if (bus->unsol) {
 374                 flush_scheduled_work();
 375                 kfree(bus->unsol);
 376         }
 377         list_for_each_entry_safe(codec, n, &bus->codec_list, list) {
 378                 snd_hda_codec_free(codec);
 379         }
 380         if (bus->ops.private_free)
 381                 bus->ops.private_free(bus);
 382         kfree(bus);
 383         return 0;
 384 }
 385
 386 static int snd_hda_bus_dev_free(struct snd_device *device)
 387 {
 388         struct hda_bus *bus = device->device_data;
 389         return snd_hda_bus_free(bus);
 390 }
 391
 392 /**
 393  * snd_hda_bus_new - create a HDA bus
 394  * @card: the card entry
 395  * @temp: the template for hda_bus information
 396  * @busp: the pointer to store the created bus instance
 397  *
 398  * Returns 0 if successful, or a negative error code.
 399  */
 400 int __devinit snd_hda_bus_new(struct snd_card *card,
 401                               const struct hda_bus_template *temp,
 402                               struct hda_bus **busp)
 403 {
 404         struct hda_bus *bus;
 405         int err;
 406         static struct snd_device_ops dev_ops = {
 407                 .dev_free = snd_hda_bus_dev_free,
 408         };
 409
 410         snd_assert(temp, return -EINVAL);
 411         snd_assert(temp->ops.command && temp->ops.get_response, return -EINVAL);
 412
 413         if (busp)
 414                 *busp = NULL;
 415
 416         bus = kzalloc(sizeof(*bus), GFP_KERNEL);
 417         if (bus == NULL) {
 418                 snd_printk(KERN_ERR "can't allocate struct hda_bus\n");
 419                 return -ENOMEM;
 420         }
 421
 422         bus->card = card;
 423         bus->private_data = temp->private_data;
 424         bus->pci = temp->pci;
 425         bus->modelname = temp->modelname;
 426         bus->ops = temp->ops;
 427
 428         mutex_init(&bus->cmd_mutex);
 429         INIT_LIST_HEAD(&bus->codec_list);
 430
 431         err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
 432         if (err < 0) {
 433                 snd_hda_bus_free(bus);
 434                 return err;
 435         }
 436         if (busp)
 437                 *busp = bus;
 438         return 0;
 439 }
 440
 441 #ifdef CONFIG_SND_HDA_GENERIC
 442 #define is_generic_config(codec) \
 443         (codec->bus->modelname && !strcmp(codec->bus->modelname, "generic"))
 444 #else
 445 #define is_generic_config(codec)        0
 446 #endif
 447
 448 /*
 449  * find a matching codec preset
 450  */
 451 static const struct hda_codec_preset __devinit *
 452 find_codec_preset(struct hda_codec *codec)
 453 {
 454         const struct hda_codec_preset **tbl, *preset;
 455
 456         if (is_generic_config(codec))
 457                 return NULL; /* use the generic parser */
 458
 459         for (tbl = hda_preset_tables; *tbl; tbl++) {
 460                 for (preset = *tbl; preset->id; preset++) {
 461                         u32 mask = preset->mask;
 462                         if (preset->afg && preset->afg != codec->afg)
 463                                 continue;
 464                         if (preset->mfg && preset->mfg != codec->mfg)
 465                                 continue;
 466                         if (!mask)
 467                                 mask = ~0;
 468                         if (preset->id == (codec->vendor_id & mask) &&
 469                             (!preset->rev ||
 470                              preset->rev == codec->revision_id))
 471                                 return preset;
 472                 }
 473         }
 474         return NULL;
 475 }
 476
 477 /*
 478  * snd_hda_get_codec_name - store the codec name
 479  */
 480 void snd_hda_get_codec_name(struct hda_codec *codec,
 481                             char *name, int namelen)
 482 {
 483         const struct hda_vendor_id *c;
 484         const char *vendor = NULL;
 485         u16 vendor_id = codec->vendor_id >> 16;
 486         char tmp[16];
 487
 488         for (c = hda_vendor_ids; c->id; c++) {
 489                 if (c->id == vendor_id) {
 490                         vendor = c->name;
 491                         break;
 492                 }
 493         }
 494         if (!vendor) {
 495                 sprintf(tmp, "Generic %04x", vendor_id);
 496                 vendor = tmp;
 497         }
 498         if (codec->preset && codec->preset->name)
 499                 snprintf(name, namelen, "%s %s", vendor, codec->preset->name);
 500         else
 501                 snprintf(name, namelen, "%s ID %x", vendor,
 502                          codec->vendor_id & 0xffff);
 503 }
 504
 505 /*
 506  * look for an AFG and MFG nodes
 507  */
 508 static void __devinit setup_fg_nodes(struct hda_codec *codec)
 509 {
 510         int i, total_nodes;
 511         hda_nid_t nid;
 512
 513         total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
 514         for (i = 0; i < total_nodes; i++, nid++) {
 515                 unsigned int func;
 516                 func = snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE);
 517                 switch (func & 0xff) {
 518                 case AC_GRP_AUDIO_FUNCTION:
 519                         codec->afg = nid;
 520                         break;
 521                 case AC_GRP_MODEM_FUNCTION:
 522                         codec->mfg = nid;
 523                         break;
 524                 default:
 525                         break;
 526                 }
 527         }
 528 }
 529
 530 /*
 531  * read widget caps for each widget and store in cache
 532  */
 533 static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
 534 {
 535         int i;
 536         hda_nid_t nid;
 537
 538         codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node,
 539                                                  &codec->start_nid);
 540         codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL);
 541         if (!codec->wcaps)
 542                 return -ENOMEM;
 543         nid = codec->start_nid;
 544         for (i = 0; i < codec->num_nodes; i++, nid++)
 545                 codec->wcaps[i] = snd_hda_param_read(codec, nid,
 546                                                      AC_PAR_AUDIO_WIDGET_CAP);
 547         return 0;
 548 }
 549
 550
 551 static void init_hda_cache(struct hda_cache_rec *cache,
 552                            unsigned int record_size);
 553 static void free_hda_cache(struct hda_cache_rec *cache);
 554
 555 /*
 556  * codec destructor
 557  */
 558 static void snd_hda_codec_free(struct hda_codec *codec)
 559 {
 560         if (!codec)
 561                 return;
 562 #ifdef CONFIG_SND_HDA_POWER_SAVE
 563         cancel_delayed_work(&codec->power_work);
 564         flush_scheduled_work();
 565 #endif
 566         list_del(&codec->list);
 567         codec->bus->caddr_tbl[codec->addr] = NULL;
 568         if (codec->patch_ops.free)
 569                 codec->patch_ops.free(codec);
 570         free_hda_cache(&codec->amp_cache);
 571         free_hda_cache(&codec->cmd_cache);
 572         kfree(codec->wcaps);
 573         kfree(codec);
 574 }
 575
 576 /**
 577  * snd_hda_codec_new - create a HDA codec
 578  * @bus: the bus to assign
 579  * @codec_addr: the codec address
 580  * @codecp: the pointer to store the generated codec
 581  *
 582  * Returns 0 if successful, or a negative error code.
 583  */
 584 int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
 585                                 struct hda_codec **codecp)
 586 {
 587         struct hda_codec *codec;
 588         char component[13];
 589         int err;
 590
 591         snd_assert(bus, return -EINVAL);
 592         snd_assert(codec_addr <= HDA_MAX_CODEC_ADDRESS, return -EINVAL);
 593
 594         if (bus->caddr_tbl[codec_addr]) {
 595                 snd_printk(KERN_ERR "hda_codec: "
 596                            "address 0x%x is already occupied\n", codec_addr);
 597                 return -EBUSY;
 598         }
 599
 600         codec = kzalloc(sizeof(*codec), GFP_KERNEL);
 601         if (codec == NULL) {
 602                 snd_printk(KERN_ERR "can't allocate struct hda_codec\n");
 603                 return -ENOMEM;
 604         }
 605
 606         codec->bus = bus;
 607         codec->addr = codec_addr;
 608         mutex_init(&codec->spdif_mutex);
 609         init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
 610         init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
 611
 612 #ifdef CONFIG_SND_HDA_POWER_SAVE
 613         INIT_DELAYED_WORK(&codec->power_work, hda_power_work);
 614         /* snd_hda_codec_new() marks the codec as power-up, and leave it as is.
 615          * the caller has to power down appropriatley after initialization
 616          * phase.
 617          */
 618         hda_keep_power_on(codec);
 619 #endif
 620
 621         list_add_tail(&codec->list, &bus->codec_list);
 622         bus->caddr_tbl[codec_addr] = codec;
 623
 624         codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 625                                               AC_PAR_VENDOR_ID);
 626         if (codec->vendor_id == -1)
 627                 /* read again, hopefully the access method was corrected
 628                  * in the last read...
 629                  */
 630                 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 631                                                       AC_PAR_VENDOR_ID);
 632         codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 633                                                  AC_PAR_SUBSYSTEM_ID);
 634         codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 635                                                 AC_PAR_REV_ID);
 636
 637         setup_fg_nodes(codec);
 638         if (!codec->afg && !codec->mfg) {
 639                 snd_printdd("hda_codec: no AFG or MFG node found\n");
 640                 snd_hda_codec_free(codec);
 641                 return -ENODEV;
 642         }
 643
 644         if (read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg) < 0) {
 645                 snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
 646                 snd_hda_codec_free(codec);
 647                 return -ENOMEM;
 648         }
 649
 650         if (!codec->subsystem_id) {
 651                 hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
 652                 codec->subsystem_id =
 653                         snd_hda_codec_read(codec, nid, 0,
 654                                            AC_VERB_GET_SUBSYSTEM_ID, 0);
 655         }
 656
 657         codec->preset = find_codec_preset(codec);
 658         /* audio codec should override the mixer name */
 659         if (codec->afg || !*bus->card->mixername)
 660                 snd_hda_get_codec_name(codec, bus->card->mixername,
 661                                        sizeof(bus->card->mixername));
 662
 663         if (is_generic_config(codec)) {
 664                 err = snd_hda_parse_generic_codec(codec);
 665                 goto patched;
 666         }
 667         if (codec->preset && codec->preset->patch) {
 668                 err = codec->preset->patch(codec);
 669                 goto patched;
 670         }
 671
 672         /* call the default parser */
 673         err = snd_hda_parse_generic_codec(codec);
 674         if (err < 0)
 675                 printk(KERN_ERR "hda-codec: No codec parser is available\n");
 676
 677  patched:
 678         if (err < 0) {
 679                 snd_hda_codec_free(codec);
 680                 return err;
 681         }
 682
 683         if (codec->patch_ops.unsol_event)
 684                 init_unsol_queue(bus);
 685
 686         snd_hda_codec_proc_new(codec);
 687 #ifdef CONFIG_SND_HDA_HWDEP
 688         snd_hda_create_hwdep(codec);
 689 #endif
 690
 691         sprintf(component, "HDA:%08x", codec->vendor_id);
 692         snd_component_add(codec->bus->card, component);
 693
 694         if (codecp)
 695                 *codecp = codec;
 696         return 0;
 697 }
 698
 699 /**
 700  * snd_hda_codec_setup_stream - set up the codec for streaming
 701  * @codec: the CODEC to set up
 702  * @nid: the NID to set up
 703  * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
 704  * @channel_id: channel id to pass, zero based.
 705  * @format: stream format.
 706  */
 707 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
 708                                 u32 stream_tag,
 709                                 int channel_id, int format)
 710 {
 711         if (!nid)
 712                 return;
 713
 714         snd_printdd("hda_codec_setup_stream: "
 715                     "NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
 716                     nid, stream_tag, channel_id, format);
 717         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID,
 718                             (stream_tag << 4) | channel_id);
 719         msleep(1);
 720         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
 721 }
 722
 723 /*
 724  * amp access functions
 725  */
 726
 727 /* FIXME: more better hash key? */
 728 #define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
 729 #define INFO_AMP_CAPS   (1<<0)
 730 #define INFO_AMP_VOL(ch)        (1 << (1 + (ch)))
 731
 732 /* initialize the hash table */
 733 static void __devinit init_hda_cache(struct hda_cache_rec *cache,
 734                                      unsigned int record_size)
 735 {
 736         memset(cache, 0, sizeof(*cache));
 737         memset(cache->hash, 0xff, sizeof(cache->hash));
 738         cache->record_size = record_size;
 739 }
 740
 741 static void free_hda_cache(struct hda_cache_rec *cache)
 742 {
 743         kfree(cache->buffer);
 744 }
 745
 746 /* query the hash.  allocate an entry if not found. */
 747 static struct hda_cache_head  *get_alloc_hash(struct hda_cache_rec *cache,
 748                                               u32 key)
 749 {
 750         u16 idx = key % (u16)ARRAY_SIZE(cache->hash);
 751         u16 cur = cache->hash[idx];
 752         struct hda_cache_head *info;
 753
 754         while (cur != 0xffff) {
 755                 info = (struct hda_cache_head *)(cache->buffer +
 756                                                  cur * cache->record_size);
 757                 if (info->key == key)
 758                         return info;
 759                 cur = info->next;
 760         }
 761
 762         /* add a new hash entry */
 763         if (cache->num_entries >= cache->size) {
 764                 /* reallocate the array */
 765                 unsigned int new_size = cache->size + 64;
 766                 void *new_buffer;
 767                 new_buffer = kcalloc(new_size, cache->record_size, GFP_KERNEL);
 768                 if (!new_buffer) {
 769                         snd_printk(KERN_ERR "hda_codec: "
 770                                    "can't malloc amp_info\n");
 771                         return NULL;
 772                 }
 773                 if (cache->buffer) {
 774                         memcpy(new_buffer, cache->buffer,
 775                                cache->size * cache->record_size);
 776                         kfree(cache->buffer);
 777                 }
 778                 cache->size = new_size;
 779                 cache->buffer = new_buffer;
 780         }
 781         cur = cache->num_entries++;
 782         info = (struct hda_cache_head *)(cache->buffer +
 783                                          cur * cache->record_size);
 784         info->key = key;
 785         info->val = 0;
 786         info->next = cache->hash[idx];
 787         cache->hash[idx] = cur;
 788
 789         return info;
 790 }
 791
 792 /* query and allocate an amp hash entry */
 793 static inline struct hda_amp_info *
 794 get_alloc_amp_hash(struct hda_codec *codec, u32 key)
 795 {
 796         return (struct hda_amp_info *)get_alloc_hash(&codec->amp_cache, key);
 797 }
 798
 799 /*
 800  * query AMP capabilities for the given widget and direction
 801  */
 802 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
 803 {
 804         struct hda_amp_info *info;
 805
 806         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0));
 807         if (!info)
 808                 return 0;
 809         if (!(info->head.val & INFO_AMP_CAPS)) {
 810                 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
 811                         nid = codec->afg;
 812                 info->amp_caps = snd_hda_param_read(codec, nid,
 813                                                     direction == HDA_OUTPUT ?
 814                                                     AC_PAR_AMP_OUT_CAP :
 815                                                     AC_PAR_AMP_IN_CAP);
 816                 if (info->amp_caps)
 817                         info->head.val |= INFO_AMP_CAPS;
 818         }
 819         return info->amp_caps;
 820 }
 821
 822 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
 823                               unsigned int caps)
 824 {
 825         struct hda_amp_info *info;
 826
 827         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, dir, 0));
 828         if (!info)
 829                 return -EINVAL;
 830         info->amp_caps = caps;
 831         info->head.val |= INFO_AMP_CAPS;
 832         return 0;
 833 }
 834
 835 /*
 836  * read the current volume to info
 837  * if the cache exists, read the cache value.
 838  */
 839 static unsigned int get_vol_mute(struct hda_codec *codec,
 840                                  struct hda_amp_info *info, hda_nid_t nid,
 841                                  int ch, int direction, int index)
 842 {
 843         u32 val, parm;
 844
 845         if (info->head.val & INFO_AMP_VOL(ch))
 846                 return info->vol[ch];
 847
 848         parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
 849         parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
 850         parm |= index;
 851         val = snd_hda_codec_read(codec, nid, 0,
 852                                  AC_VERB_GET_AMP_GAIN_MUTE, parm);
 853         info->vol[ch] = val & 0xff;
 854         info->head.val |= INFO_AMP_VOL(ch);
 855         return info->vol[ch];
 856 }
 857
 858 /*
 859  * write the current volume in info to the h/w and update the cache
 860  */
 861 static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
 862                          hda_nid_t nid, int ch, int direction, int index,
 863                          int val)
 864 {
 865         u32 parm;
 866
 867         parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
 868         parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
 869         parm |= index << AC_AMP_SET_INDEX_SHIFT;
 870         parm |= val;
 871         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
 872         info->vol[ch] = val;
 873 }
 874
 875 /*
 876  * read AMP value.  The volume is between 0 to 0x7f, 0x80 = mute bit.
 877  */
 878 int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
 879                            int direction, int index)
 880 {
 881         struct hda_amp_info *info;
 882         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
 883         if (!info)
 884                 return 0;
 885         return get_vol_mute(codec, info, nid, ch, direction, index);
 886 }
 887
 888 /*
 889  * update the AMP value, mask = bit mask to set, val = the value
 890  */
 891 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
 892                              int direction, int idx, int mask, int val)
 893 {
 894         struct hda_amp_info *info;
 895
 896         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx));
 897         if (!info)
 898                 return 0;
 899         val &= mask;
 900         val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask;
 901         if (info->vol[ch] == val)
 902                 return 0;
 903         put_vol_mute(codec, info, nid, ch, direction, idx, val);
 904         return 1;
 905 }
 906
 907 /*
 908  * update the AMP stereo with the same mask and value
 909  */
 910 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
 911                              int direction, int idx, int mask, int val)
 912 {
 913         int ch, ret = 0;
 914         for (ch = 0; ch < 2; ch++)
 915                 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
 916                                                 idx, mask, val);
 917         return ret;
 918 }
 919
 920 #ifdef SND_HDA_NEEDS_RESUME
 921 /* resume the all amp commands from the cache */
 922 void snd_hda_codec_resume_amp(struct hda_codec *codec)
 923 {
 924         struct hda_amp_info *buffer = codec->amp_cache.buffer;
 925         int i;
 926
 927         for (i = 0; i < codec->amp_cache.size; i++, buffer++) {
 928                 u32 key = buffer->head.key;
 929                 hda_nid_t nid;
 930                 unsigned int idx, dir, ch;
 931                 if (!key)
 932                         continue;
 933                 nid = key & 0xff;
 934                 idx = (key >> 16) & 0xff;
 935                 dir = (key >> 24) & 0xff;
 936                 for (ch = 0; ch < 2; ch++) {
 937                         if (!(buffer->head.val & INFO_AMP_VOL(ch)))
 938                                 continue;
 939                         put_vol_mute(codec, buffer, nid, ch, dir, idx,
 940                                      buffer->vol[ch]);
 941                 }
 942         }
 943 }
 944 #endif /* SND_HDA_NEEDS_RESUME */
 945
 946 /*
 947  * AMP control callbacks
 948  */
 949 /* retrieve parameters from private_value */
 950 #define get_amp_nid(kc)         ((kc)->private_value & 0xffff)
 951 #define get_amp_channels(kc)    (((kc)->private_value >> 16) & 0x3)
 952 #define get_amp_direction(kc)   (((kc)->private_value >> 18) & 0x1)
 953 #define get_amp_index(kc)       (((kc)->private_value >> 19) & 0xf)
 954
 955 /* volume */
 956 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
 957                                   struct snd_ctl_elem_info *uinfo)
 958 {
 959         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 960         u16 nid = get_amp_nid(kcontrol);
 961         u8 chs = get_amp_channels(kcontrol);
 962         int dir = get_amp_direction(kcontrol);
 963         u32 caps;
 964
 965         caps = query_amp_caps(codec, nid, dir);
 966         /* num steps */
 967         caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
 968         if (!caps) {
 969                 printk(KERN_WARNING "hda_codec: "
 970                        "num_steps = 0 for NID=0x%x (ctl = %s)\n", nid,
 971                        kcontrol->id.name);
 972                 return -EINVAL;
 973         }
 974         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 975         uinfo->count = chs == 3 ? 2 : 1;
 976         uinfo->value.integer.min = 0;
 977         uinfo->value.integer.max = caps;
 978         return 0;
 979 }
 980
 981 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
 982                                  struct snd_ctl_elem_value *ucontrol)
 983 {
 984         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 985         hda_nid_t nid = get_amp_nid(kcontrol);
 986         int chs = get_amp_channels(kcontrol);
 987         int dir = get_amp_direction(kcontrol);
 988         int idx = get_amp_index(kcontrol);
 989         long *valp = ucontrol->value.integer.value;
 990
 991         if (chs & 1)
 992                 *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx)
 993                         & HDA_AMP_VOLMASK;
 994         if (chs & 2)
 995                 *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx)
 996                         & HDA_AMP_VOLMASK;
 997         return 0;
 998 }
 999
1000 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1001                                  struct snd_ctl_elem_value *ucontrol)
1002 {
1003         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1004         hda_nid_t nid = get_amp_nid(kcontrol);
1005         int chs = get_amp_channels(kcontrol);
1006         int dir = get_amp_direction(kcontrol);
1007         int idx = get_amp_index(kcontrol);
1008         long *valp = ucontrol->value.integer.value;
1009         int change = 0;
1010
1011         snd_hda_power_up(codec);
1012         if (chs & 1) {
1013                 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
1014                                                   0x7f, *valp);
1015                 valp++;
1016         }
1017         if (chs & 2)
1018                 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
1019                                                    0x7f, *valp);
1020         snd_hda_power_down(codec);
1021         return change;
1022 }
1023
1024 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1025                           unsigned int size, unsigned int __user *_tlv)
1026 {
1027         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1028         hda_nid_t nid = get_amp_nid(kcontrol);
1029         int dir = get_amp_direction(kcontrol);
1030         u32 caps, val1, val2;
1031
1032         if (size < 4 * sizeof(unsigned int))
1033                 return -ENOMEM;
1034         caps = query_amp_caps(codec, nid, dir);
1035         val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1036         val2 = (val2 + 1) * 25;
1037         val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1038         val1 = ((int)val1) * ((int)val2);
1039         if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
1040                 return -EFAULT;
1041         if (put_user(2 * sizeof(unsigned int), _tlv + 1))
1042                 return -EFAULT;
1043         if (put_user(val1, _tlv + 2))
1044                 return -EFAULT;
1045         if (put_user(val2, _tlv + 3))
1046                 return -EFAULT;
1047         return 0;
1048 }
1049
1050 /*
1051  * set (static) TLV for virtual master volume; recalculated as max 0dB
1052  */
1053 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1054                              unsigned int *tlv)
1055 {
1056         u32 caps;
1057         int nums, step;
1058
1059         caps = query_amp_caps(codec, nid, dir);
1060         nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1061         step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1062         step = (step + 1) * 25;
1063         tlv[0] = SNDRV_CTL_TLVT_DB_SCALE;
1064         tlv[1] = 2 * sizeof(unsigned int);
1065         tlv[2] = -nums * step;
1066         tlv[3] = step;
1067 }
1068
1069 /* find a mixer control element with the given name */
1070 static struct snd_kcontrol *
1071 _snd_hda_find_mixer_ctl(struct hda_codec *codec,
1072                         const char *name, int idx)
1073 {
1074         struct snd_ctl_elem_id id;
1075         memset(&id, 0, sizeof(id));
1076         id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1077         id.index = idx;
1078         strcpy(id.name, name);
1079         return snd_ctl_find_id(codec->bus->card, &id);
1080 }
1081
1082 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1083                                             const char *name)
1084 {
1085         return _snd_hda_find_mixer_ctl(codec, name, 0);
1086 }
1087
1088 /* create a virtual master control and add slaves */
1089 int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
1090                         unsigned int *tlv, const char **slaves)
1091 {
1092         struct snd_kcontrol *kctl;
1093         const char **s;
1094         int err;
1095
1096         for (s = slaves; *s && !snd_hda_find_mixer_ctl(codec, *s); s++)
1097                 ;
1098         if (!*s) {
1099                 snd_printdd("No slave found for %s\n", name);
1100                 return 0;
1101         }
1102         kctl = snd_ctl_make_virtual_master(name, tlv);
1103         if (!kctl)
1104                 return -ENOMEM;
1105         err = snd_ctl_add(codec->bus->card, kctl);
1106         if (err < 0)
1107                 return err;
1108
1109         for (s = slaves; *s; s++) {
1110                 struct snd_kcontrol *sctl;
1111
1112                 sctl = snd_hda_find_mixer_ctl(codec, *s);
1113                 if (!sctl) {
1114                         snd_printdd("Cannot find slave %s, skipped\n", *s);
1115                         continue;
1116                 }
1117                 err = snd_ctl_add_slave(kctl, sctl);
1118                 if (err < 0)
1119                         return err;
1120         }
1121         return 0;
1122 }
1123
1124 /* switch */
1125 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
1126                                   struct snd_ctl_elem_info *uinfo)
1127 {
1128         int chs = get_amp_channels(kcontrol);
1129
1130         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1131         uinfo->count = chs == 3 ? 2 : 1;
1132         uinfo->value.integer.min = 0;
1133         uinfo->value.integer.max = 1;
1134         return 0;
1135 }
1136
1137 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
1138                                  struct snd_ctl_elem_value *ucontrol)
1139 {
1140         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1141         hda_nid_t nid = get_amp_nid(kcontrol);
1142         int chs = get_amp_channels(kcontrol);
1143         int dir = get_amp_direction(kcontrol);
1144         int idx = get_amp_index(kcontrol);
1145         long *valp = ucontrol->value.integer.value;
1146
1147         if (chs & 1)
1148                 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
1149                            HDA_AMP_MUTE) ? 0 : 1;
1150         if (chs & 2)
1151                 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
1152                          HDA_AMP_MUTE) ? 0 : 1;
1153         return 0;
1154 }
1155
1156 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
1157                                  struct snd_ctl_elem_value *ucontrol)
1158 {
1159         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1160         hda_nid_t nid = get_amp_nid(kcontrol);
1161         int chs = get_amp_channels(kcontrol);
1162         int dir = get_amp_direction(kcontrol);
1163         int idx = get_amp_index(kcontrol);
1164         long *valp = ucontrol->value.integer.value;
1165         int change = 0;
1166
1167         snd_hda_power_up(codec);
1168         if (chs & 1) {
1169                 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
1170                                                   HDA_AMP_MUTE,
1171                                                   *valp ? 0 : HDA_AMP_MUTE);
1172                 valp++;
1173         }
1174         if (chs & 2)
1175                 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
1176                                                    HDA_AMP_MUTE,
1177                                                    *valp ? 0 : HDA_AMP_MUTE);
1178 #ifdef CONFIG_SND_HDA_POWER_SAVE
1179         if (codec->patch_ops.check_power_status)
1180                 codec->patch_ops.check_power_status(codec, nid);
1181 #endif
1182         snd_hda_power_down(codec);
1183         return change;
1184 }
1185
1186 /*
1187  * bound volume controls
1188  *
1189  * bind multiple volumes (# indices, from 0)
1190  */
1191
1192 #define AMP_VAL_IDX_SHIFT       19
1193 #define AMP_VAL_IDX_MASK        (0x0f<<19)
1194
1195 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
1196                                   struct snd_ctl_elem_value *ucontrol)
1197 {
1198         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1199         unsigned long pval;
1200         int err;
1201
1202         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1203         pval = kcontrol->private_value;
1204         kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
1205         err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
1206         kcontrol->private_value = pval;
1207         mutex_unlock(&codec->spdif_mutex);
1208         return err;
1209 }
1210
1211 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
1212                                   struct snd_ctl_elem_value *ucontrol)
1213 {
1214         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1215         unsigned long pval;
1216         int i, indices, err = 0, change = 0;
1217
1218         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1219         pval = kcontrol->private_value;
1220         indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
1221         for (i = 0; i < indices; i++) {
1222                 kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) |
1223                         (i << AMP_VAL_IDX_SHIFT);
1224                 err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
1225                 if (err < 0)
1226                         break;
1227                 change |= err;
1228         }
1229         kcontrol->private_value = pval;
1230         mutex_unlock(&codec->spdif_mutex);
1231         return err < 0 ? err : change;
1232 }
1233
1234 /*
1235  * generic bound volume/swtich controls
1236  */
1237 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
1238                                  struct snd_ctl_elem_info *uinfo)
1239 {
1240         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1241         struct hda_bind_ctls *c;
1242         int err;
1243
1244         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1245         c = (struct hda_bind_ctls *)kcontrol->private_value;
1246         kcontrol->private_value = *c->values;
1247         err = c->ops->info(kcontrol, uinfo);
1248         kcontrol->private_value = (long)c;
1249         mutex_unlock(&codec->spdif_mutex);
1250         return err;
1251 }
1252
1253 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
1254                                 struct snd_ctl_elem_value *ucontrol)
1255 {
1256         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1257         struct hda_bind_ctls *c;
1258         int err;
1259
1260         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1261         c = (struct hda_bind_ctls *)kcontrol->private_value;
1262         kcontrol->private_value = *c->values;
1263         err = c->ops->get(kcontrol, ucontrol);
1264         kcontrol->private_value = (long)c;
1265         mutex_unlock(&codec->spdif_mutex);
1266         return err;
1267 }
1268
1269 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
1270                                 struct snd_ctl_elem_value *ucontrol)
1271 {
1272         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1273         struct hda_bind_ctls *c;
1274         unsigned long *vals;
1275         int err = 0, change = 0;
1276
1277         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1278         c = (struct hda_bind_ctls *)kcontrol->private_value;
1279         for (vals = c->values; *vals; vals++) {
1280                 kcontrol->private_value = *vals;
1281                 err = c->ops->put(kcontrol, ucontrol);
1282                 if (err < 0)
1283                         break;
1284                 change |= err;
1285         }
1286         kcontrol->private_value = (long)c;
1287         mutex_unlock(&codec->spdif_mutex);
1288         return err < 0 ? err : change;
1289 }
1290
1291 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1292                            unsigned int size, unsigned int __user *tlv)
1293 {
1294         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1295         struct hda_bind_ctls *c;
1296         int err;
1297
1298         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1299         c = (struct hda_bind_ctls *)kcontrol->private_value;
1300         kcontrol->private_value = *c->values;
1301         err = c->ops->tlv(kcontrol, op_flag, size, tlv);
1302         kcontrol->private_value = (long)c;
1303         mutex_unlock(&codec->spdif_mutex);
1304         return err;
1305 }
1306
1307 struct hda_ctl_ops snd_hda_bind_vol = {
1308         .info = snd_hda_mixer_amp_volume_info,
1309         .get = snd_hda_mixer_amp_volume_get,
1310         .put = snd_hda_mixer_amp_volume_put,
1311         .tlv = snd_hda_mixer_amp_tlv
1312 };
1313
1314 struct hda_ctl_ops snd_hda_bind_sw = {
1315         .info = snd_hda_mixer_amp_switch_info,
1316         .get = snd_hda_mixer_amp_switch_get,
1317         .put = snd_hda_mixer_amp_switch_put,
1318         .tlv = snd_hda_mixer_amp_tlv
1319 };
1320
1321 /*
1322  * SPDIF out controls
1323  */
1324
1325 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
1326                                    struct snd_ctl_elem_info *uinfo)
1327 {
1328         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1329         uinfo->count = 1;
1330         return 0;
1331 }
1332
1333 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
1334                                    struct snd_ctl_elem_value *ucontrol)
1335 {
1336         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1337                                            IEC958_AES0_NONAUDIO |
1338                                            IEC958_AES0_CON_EMPHASIS_5015 |
1339                                            IEC958_AES0_CON_NOT_COPYRIGHT;
1340         ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
1341                                            IEC958_AES1_CON_ORIGINAL;
1342         return 0;
1343 }
1344
1345 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
1346                                    struct snd_ctl_elem_value *ucontrol)
1347 {
1348         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1349                                            IEC958_AES0_NONAUDIO |
1350                                            IEC958_AES0_PRO_EMPHASIS_5015;
1351         return 0;
1352 }
1353
1354 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
1355                                      struct snd_ctl_elem_value *ucontrol)
1356 {
1357         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1358
1359         ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff;
1360         ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff;
1361         ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff;
1362         ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff;
1363
1364         return 0;
1365 }
1366
1367 /* convert from SPDIF status bits to HDA SPDIF bits
1368  * bit 0 (DigEn) is always set zero (to be filled later)
1369  */
1370 static unsigned short convert_from_spdif_status(unsigned int sbits)
1371 {
1372         unsigned short val = 0;
1373
1374         if (sbits & IEC958_AES0_PROFESSIONAL)
1375                 val |= AC_DIG1_PROFESSIONAL;
1376         if (sbits & IEC958_AES0_NONAUDIO)
1377                 val |= AC_DIG1_NONAUDIO;
1378         if (sbits & IEC958_AES0_PROFESSIONAL) {
1379                 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
1380                     IEC958_AES0_PRO_EMPHASIS_5015)
1381                         val |= AC_DIG1_EMPHASIS;
1382         } else {
1383                 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
1384                     IEC958_AES0_CON_EMPHASIS_5015)
1385                         val |= AC_DIG1_EMPHASIS;
1386                 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
1387                         val |= AC_DIG1_COPYRIGHT;
1388                 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
1389                         val |= AC_DIG1_LEVEL;
1390                 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
1391         }
1392         return val;
1393 }
1394
1395 /* convert to SPDIF status bits from HDA SPDIF bits
1396  */
1397 static unsigned int convert_to_spdif_status(unsigned short val)
1398 {
1399         unsigned int sbits = 0;
1400
1401         if (val & AC_DIG1_NONAUDIO)
1402                 sbits |= IEC958_AES0_NONAUDIO;
1403         if (val & AC_DIG1_PROFESSIONAL)
1404                 sbits |= IEC958_AES0_PROFESSIONAL;
1405         if (sbits & IEC958_AES0_PROFESSIONAL) {
1406                 if (sbits & AC_DIG1_EMPHASIS)
1407                         sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
1408         } else {
1409                 if (val & AC_DIG1_EMPHASIS)
1410                         sbits |= IEC958_AES0_CON_EMPHASIS_5015;
1411                 if (!(val & AC_DIG1_COPYRIGHT))
1412                         sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
1413                 if (val & AC_DIG1_LEVEL)
1414                         sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
1415                 sbits |= val & (0x7f << 8);
1416         }
1417         return sbits;
1418 }
1419
1420 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
1421                                      struct snd_ctl_elem_value *ucontrol)
1422 {
1423         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1424         hda_nid_t nid = kcontrol->private_value;
1425         unsigned short val;
1426         int change;
1427
1428         mutex_lock(&codec->spdif_mutex);
1429         codec->spdif_status = ucontrol->value.iec958.status[0] |
1430                 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
1431                 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
1432                 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
1433         val = convert_from_spdif_status(codec->spdif_status);
1434         val |= codec->spdif_ctls & 1;
1435         change = codec->spdif_ctls != val;
1436         codec->spdif_ctls = val;
1437
1438         if (change) {
1439                 snd_hda_codec_write_cache(codec, nid, 0,
1440                                           AC_VERB_SET_DIGI_CONVERT_1,
1441                                           val & 0xff);
1442                 snd_hda_codec_write_cache(codec, nid, 0,
1443                                           AC_VERB_SET_DIGI_CONVERT_2,
1444                                           val >> 8);
1445         }
1446
1447         mutex_unlock(&codec->spdif_mutex);
1448         return change;
1449 }
1450
1451 #define snd_hda_spdif_out_switch_info   snd_ctl_boolean_mono_info
1452
1453 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
1454                                         struct snd_ctl_elem_value *ucontrol)
1455 {
1456         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1457
1458         ucontrol->value.integer.value[0] = codec->spdif_ctls & AC_DIG1_ENABLE;
1459         return 0;
1460 }
1461
1462 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
1463                                         struct snd_ctl_elem_value *ucontrol)
1464 {
1465         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1466         hda_nid_t nid = kcontrol->private_value;
1467         unsigned short val;
1468         int change;
1469
1470         mutex_lock(&codec->spdif_mutex);
1471         val = codec->spdif_ctls & ~AC_DIG1_ENABLE;
1472         if (ucontrol->value.integer.value[0])
1473                 val |= AC_DIG1_ENABLE;
1474         change = codec->spdif_ctls != val;
1475         if (change) {
1476                 codec->spdif_ctls = val;
1477                 snd_hda_codec_write_cache(codec, nid, 0,
1478                                           AC_VERB_SET_DIGI_CONVERT_1,
1479                                           val & 0xff);
1480                 /* unmute amp switch (if any) */
1481                 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
1482                     (val & AC_DIG1_ENABLE))
1483                         snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
1484                                                  HDA_AMP_MUTE, 0);
1485         }
1486         mutex_unlock(&codec->spdif_mutex);
1487         return change;
1488 }
1489
1490 static struct snd_kcontrol_new dig_mixes[] = {
1491         {
1492                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1493                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1494                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1495                 .info = snd_hda_spdif_mask_info,
1496                 .get = snd_hda_spdif_cmask_get,
1497         },
1498         {
1499                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1500                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1501                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1502                 .info = snd_hda_spdif_mask_info,
1503                 .get = snd_hda_spdif_pmask_get,
1504         },
1505         {
1506                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1507                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1508                 .info = snd_hda_spdif_mask_info,
1509                 .get = snd_hda_spdif_default_get,
1510                 .put = snd_hda_spdif_default_put,
1511         },
1512         {
1513                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1514                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1515                 .info = snd_hda_spdif_out_switch_info,
1516                 .get = snd_hda_spdif_out_switch_get,
1517                 .put = snd_hda_spdif_out_switch_put,
1518         },
1519         { } /* end */
1520 };
1521
1522 #define SPDIF_MAX_IDX   4       /* 4 instances should be enough to probe */
1523
1524 /**
1525  * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1526  * @codec: the HDA codec
1527  * @nid: audio out widget NID
1528  *
1529  * Creates controls related with the SPDIF output.
1530  * Called from each patch supporting the SPDIF out.
1531  *
1532  * Returns 0 if successful, or a negative error code.
1533  */
1534 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid)
1535 {
1536         int err;
1537         struct snd_kcontrol *kctl;
1538         struct snd_kcontrol_new *dig_mix;
1539         int idx;
1540
1541         for (idx = 0; idx < SPDIF_MAX_IDX; idx++) {
1542                 if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Playback Switch",
1543                                              idx))
1544                         break;
1545         }
1546         if (idx >= SPDIF_MAX_IDX) {
1547                 printk(KERN_ERR "hda_codec: too many IEC958 outputs\n");
1548                 return -EBUSY;
1549         }
1550         for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
1551                 kctl = snd_ctl_new1(dig_mix, codec);
1552                 kctl->id.index = idx;
1553                 kctl->private_value = nid;
1554                 err = snd_ctl_add(codec->bus->card, kctl);
1555                 if (err < 0)
1556                         return err;
1557         }
1558         codec->spdif_ctls =
1559                 snd_hda_codec_read(codec, nid, 0,
1560                                    AC_VERB_GET_DIGI_CONVERT_1, 0);
1561         codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
1562         return 0;
1563 }
1564
1565 /*
1566  * SPDIF sharing with analog output
1567  */
1568 static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
1569                               struct snd_ctl_elem_value *ucontrol)
1570 {
1571         struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
1572         ucontrol->value.integer.value[0] = mout->share_spdif;
1573         return 0;
1574 }
1575
1576 static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
1577                               struct snd_ctl_elem_value *ucontrol)
1578 {
1579         struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
1580         mout->share_spdif = !!ucontrol->value.integer.value[0];
1581         return 0;
1582 }
1583
1584 static struct snd_kcontrol_new spdif_share_sw = {
1585         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1586         .name = "IEC958 Default PCM Playback Switch",
1587         .info = snd_ctl_boolean_mono_info,
1588         .get = spdif_share_sw_get,
1589         .put = spdif_share_sw_put,
1590 };
1591
1592 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
1593                                   struct hda_multi_out *mout)
1594 {
1595         if (!mout->dig_out_nid)
1596                 return 0;
1597         /* ATTENTION: here mout is passed as private_data, instead of codec */
1598         return snd_ctl_add(codec->bus->card,
1599                            snd_ctl_new1(&spdif_share_sw, mout));
1600 }
1601
1602 /*
1603  * SPDIF input
1604  */
1605
1606 #define snd_hda_spdif_in_switch_info    snd_hda_spdif_out_switch_info
1607
1608 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
1609                                        struct snd_ctl_elem_value *ucontrol)
1610 {
1611         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1612
1613         ucontrol->value.integer.value[0] = codec->spdif_in_enable;
1614         return 0;
1615 }
1616
1617 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
1618                                        struct snd_ctl_elem_value *ucontrol)
1619 {
1620         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1621         hda_nid_t nid = kcontrol->private_value;
1622         unsigned int val = !!ucontrol->value.integer.value[0];
1623         int change;
1624
1625         mutex_lock(&codec->spdif_mutex);
1626         change = codec->spdif_in_enable != val;
1627         if (change) {
1628                 codec->spdif_in_enable = val;
1629                 snd_hda_codec_write_cache(codec, nid, 0,
1630                                           AC_VERB_SET_DIGI_CONVERT_1, val);
1631         }
1632         mutex_unlock(&codec->spdif_mutex);
1633         return change;
1634 }
1635
1636 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
1637                                        struct snd_ctl_elem_value *ucontrol)
1638 {
1639         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1640         hda_nid_t nid = kcontrol->private_value;
1641         unsigned short val;
1642         unsigned int sbits;
1643
1644         val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT_1, 0);
1645         sbits = convert_to_spdif_status(val);
1646         ucontrol->value.iec958.status[0] = sbits;
1647         ucontrol->value.iec958.status[1] = sbits >> 8;
1648         ucontrol->value.iec958.status[2] = sbits >> 16;
1649         ucontrol->value.iec958.status[3] = sbits >> 24;
1650         return 0;
1651 }
1652
1653 static struct snd_kcontrol_new dig_in_ctls[] = {
1654         {
1655                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1656                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
1657                 .info = snd_hda_spdif_in_switch_info,
1658                 .get = snd_hda_spdif_in_switch_get,
1659                 .put = snd_hda_spdif_in_switch_put,
1660         },
1661         {
1662                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1663                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1664                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1665                 .info = snd_hda_spdif_mask_info,
1666                 .get = snd_hda_spdif_in_status_get,
1667         },
1668         { } /* end */
1669 };
1670
1671 /**
1672  * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1673  * @codec: the HDA codec
1674  * @nid: audio in widget NID
1675  *
1676  * Creates controls related with the SPDIF input.
1677  * Called from each patch supporting the SPDIF in.
1678  *
1679  * Returns 0 if successful, or a negative error code.
1680  */
1681 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
1682 {
1683         int err;
1684         struct snd_kcontrol *kctl;
1685         struct snd_kcontrol_new *dig_mix;
1686         int idx;
1687
1688         for (idx = 0; idx < SPDIF_MAX_IDX; idx++) {
1689                 if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Capture Switch",
1690                                              idx))
1691                         break;
1692         }
1693         if (idx >= SPDIF_MAX_IDX) {
1694                 printk(KERN_ERR "hda_codec: too many IEC958 inputs\n");
1695                 return -EBUSY;
1696         }
1697         for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
1698                 kctl = snd_ctl_new1(dig_mix, codec);
1699                 kctl->private_value = nid;
1700                 err = snd_ctl_add(codec->bus->card, kctl);
1701                 if (err < 0)
1702                         return err;
1703         }
1704         codec->spdif_in_enable =
1705                 snd_hda_codec_read(codec, nid, 0,
1706                                    AC_VERB_GET_DIGI_CONVERT_1, 0) &
1707                 AC_DIG1_ENABLE;
1708         return 0;
1709 }
1710
1711 #ifdef SND_HDA_NEEDS_RESUME
1712 /*
1713  * command cache
1714  */
1715
1716 /* build a 32bit cache key with the widget id and the command parameter */
1717 #define build_cmd_cache_key(nid, verb)  ((verb << 8) | nid)
1718 #define get_cmd_cache_nid(key)          ((key) & 0xff)
1719 #define get_cmd_cache_cmd(key)          (((key) >> 8) & 0xffff)
1720
1721 /**
1722  * snd_hda_codec_write_cache - send a single command with caching
1723  * @codec: the HDA codec
1724  * @nid: NID to send the command
1725  * @direct: direct flag
1726  * @verb: the verb to send
1727  * @parm: the parameter for the verb
1728  *
1729  * Send a single command without waiting for response.
1730  *
1731  * Returns 0 if successful, or a negative error code.
1732  */
1733 int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
1734                               int direct, unsigned int verb, unsigned int parm)
1735 {
1736         int err;
1737         snd_hda_power_up(codec);
1738         mutex_lock(&codec->bus->cmd_mutex);
1739         err = codec->bus->ops.command(codec, nid, direct, verb, parm);
1740         if (!err) {
1741                 struct hda_cache_head *c;
1742                 u32 key = build_cmd_cache_key(nid, verb);
1743                 c = get_alloc_hash(&codec->cmd_cache, key);
1744                 if (c)
1745                         c->val = parm;
1746         }
1747         mutex_unlock(&codec->bus->cmd_mutex);
1748         snd_hda_power_down(codec);
1749         return err;
1750 }
1751
1752 /* resume the all commands from the cache */
1753 void snd_hda_codec_resume_cache(struct hda_codec *codec)
1754 {
1755         struct hda_cache_head *buffer = codec->cmd_cache.buffer;
1756         int i;
1757
1758         for (i = 0; i < codec->cmd_cache.size; i++, buffer++) {
1759                 u32 key = buffer->key;
1760                 if (!key)
1761                         continue;
1762                 snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0,
1763                                     get_cmd_cache_cmd(key), buffer->val);
1764         }
1765 }
1766
1767 /**
1768  * snd_hda_sequence_write_cache - sequence writes with caching
1769  * @codec: the HDA codec
1770  * @seq: VERB array to send
1771  *
1772  * Send the commands sequentially from the given array.
1773  * Thte commands are recorded on cache for power-save and resume.
1774  * The array must be terminated with NID=0.
1775  */
1776 void snd_hda_sequence_write_cache(struct hda_codec *codec,
1777                                   const struct hda_verb *seq)
1778 {
1779         for (; seq->nid; seq++)
1780                 snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb,
1781                                           seq->param);
1782 }
1783 #endif /* SND_HDA_NEEDS_RESUME */
1784
1785 /*
1786  * set power state of the codec
1787  */
1788 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
1789                                 unsigned int power_state)
1790 {
1791         hda_nid_t nid;
1792         int i;
1793
1794         snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE,
1795                             power_state);
1796         msleep(10); /* partial workaround for "azx_get_response timeout" */
1797
1798         nid = codec->start_nid;
1799         for (i = 0; i < codec->num_nodes; i++, nid++) {
1800                 unsigned int wcaps = get_wcaps(codec, nid);
1801                 if (wcaps & AC_WCAP_POWER) {
1802                         unsigned int wid_type = (wcaps & AC_WCAP_TYPE) >>
1803                                 AC_WCAP_TYPE_SHIFT;
1804                         if (wid_type == AC_WID_PIN) {
1805                                 unsigned int pincap;
1806                                 /*
1807                                  * don't power down the widget if it controls
1808                                  * eapd and EAPD_BTLENABLE is set.
1809                                  */
1810                                 pincap = snd_hda_param_read(codec, nid,
1811                                                             AC_PAR_PIN_CAP);
1812                                 if (pincap & AC_PINCAP_EAPD) {
1813                                         int eapd = snd_hda_codec_read(codec,
1814                                                 nid, 0,
1815                                                 AC_VERB_GET_EAPD_BTLENABLE, 0);
1816                                         eapd &= 0x02;
1817                                         if (power_state == AC_PWRST_D3 && eapd)
1818                                                 continue;
1819                                 }
1820                         }
1821                         snd_hda_codec_write(codec, nid, 0,
1822                                             AC_VERB_SET_POWER_STATE,
1823                                             power_state);
1824                 }
1825         }
1826
1827         if (power_state == AC_PWRST_D0) {
1828                 unsigned long end_time;
1829                 int state;
1830                 msleep(10);
1831                 /* wait until the codec reachs to D0 */
1832                 end_time = jiffies + msecs_to_jiffies(500);
1833                 do {
1834                         state = snd_hda_codec_read(codec, fg, 0,
1835                                                    AC_VERB_GET_POWER_STATE, 0);
1836                         if (state == power_state)
1837                                 break;
1838                         msleep(1);
1839                 } while (time_after_eq(end_time, jiffies));
1840         }
1841 }
1842
1843 #ifdef SND_HDA_NEEDS_RESUME
1844 /*
1845  * call suspend and power-down; used both from PM and power-save
1846  */
1847 static void hda_call_codec_suspend(struct hda_codec *codec)
1848 {
1849         if (codec->patch_ops.suspend)
1850                 codec->patch_ops.suspend(codec, PMSG_SUSPEND);
1851         hda_set_power_state(codec,
1852                             codec->afg ? codec->afg : codec->mfg,
1853                             AC_PWRST_D3);
1854 #ifdef CONFIG_SND_HDA_POWER_SAVE
1855         cancel_delayed_work(&codec->power_work);
1856         codec->power_on = 0;
1857         codec->power_transition = 0;
1858 #endif
1859 }
1860
1861 /*
1862  * kick up codec; used both from PM and power-save
1863  */
1864 static void hda_call_codec_resume(struct hda_codec *codec)
1865 {
1866         hda_set_power_state(codec,
1867                             codec->afg ? codec->afg : codec->mfg,
1868                             AC_PWRST_D0);
1869         if (codec->patch_ops.resume)
1870                 codec->patch_ops.resume(codec);
1871         else {
1872                 if (codec->patch_ops.init)
1873                         codec->patch_ops.init(codec);
1874                 snd_hda_codec_resume_amp(codec);
1875                 snd_hda_codec_resume_cache(codec);
1876         }
1877 }
1878 #endif /* SND_HDA_NEEDS_RESUME */
1879
1880
1881 /**
1882  * snd_hda_build_controls - build mixer controls
1883  * @bus: the BUS
1884  *
1885  * Creates mixer controls for each codec included in the bus.
1886  *
1887  * Returns 0 if successful, otherwise a negative error code.
1888  */
1889 int __devinit snd_hda_build_controls(struct hda_bus *bus)
1890 {
1891         struct hda_codec *codec;
1892
1893         list_for_each_entry(codec, &bus->codec_list, list) {
1894                 int err = 0;
1895                 /* fake as if already powered-on */
1896                 hda_keep_power_on(codec);
1897                 /* then fire up */
1898                 hda_set_power_state(codec,
1899                                     codec->afg ? codec->afg : codec->mfg,
1900                                     AC_PWRST_D0);
1901                 /* continue to initialize... */
1902                 if (codec->patch_ops.init)
1903                         err = codec->patch_ops.init(codec);
1904                 if (!err && codec->patch_ops.build_controls)
1905                         err = codec->patch_ops.build_controls(codec);
1906                 snd_hda_power_down(codec);
1907                 if (err < 0)
1908                         return err;
1909         }
1910
1911         return 0;
1912 }
1913
1914 /*
1915  * stream formats
1916  */
1917 struct hda_rate_tbl {
1918         unsigned int hz;
1919         unsigned int alsa_bits;
1920         unsigned int hda_fmt;
1921 };
1922
1923 static struct hda_rate_tbl rate_bits[] = {
1924         /* rate in Hz, ALSA rate bitmask, HDA format value */
1925
1926         /* autodetected value used in snd_hda_query_supported_pcm */
1927         { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
1928         { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
1929         { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
1930         { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
1931         { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
1932         { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
1933         { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
1934         { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
1935         { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
1936         { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
1937         { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
1938 #define AC_PAR_PCM_RATE_BITS    11
1939         /* up to bits 10, 384kHZ isn't supported properly */
1940
1941         /* not autodetected value */
1942         { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
1943
1944         { 0 } /* terminator */
1945 };
1946
1947 /**
1948  * snd_hda_calc_stream_format - calculate format bitset
1949  * @rate: the sample rate
1950  * @channels: the number of channels
1951  * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
1952  * @maxbps: the max. bps
1953  *
1954  * Calculate the format bitset from the given rate, channels and th PCM format.
1955  *
1956  * Return zero if invalid.
1957  */
1958 unsigned int snd_hda_calc_stream_format(unsigned int rate,
1959                                         unsigned int channels,
1960                                         unsigned int format,
1961                                         unsigned int maxbps)
1962 {
1963         int i;
1964         unsigned int val = 0;
1965
1966         for (i = 0; rate_bits[i].hz; i++)
1967                 if (rate_bits[i].hz == rate) {
1968                         val = rate_bits[i].hda_fmt;
1969                         break;
1970                 }
1971         if (!rate_bits[i].hz) {
1972                 snd_printdd("invalid rate %d\n", rate);
1973                 return 0;
1974         }
1975
1976         if (channels == 0 || channels > 8) {
1977                 snd_printdd("invalid channels %d\n", channels);
1978                 return 0;
1979         }
1980         val |= channels - 1;
1981
1982         switch (snd_pcm_format_width(format)) {
1983         case 8:  val |= 0x00; break;
1984         case 16: val |= 0x10; break;
1985         case 20:
1986         case 24:
1987         case 32:
1988                 if (maxbps >= 32)
1989                         val |= 0x40;
1990                 else if (maxbps >= 24)
1991                         val |= 0x30;
1992                 else
1993                         val |= 0x20;
1994                 break;
1995         default:
1996                 snd_printdd("invalid format width %d\n",
1997                             snd_pcm_format_width(format));
1998                 return 0;
1999         }
2000
2001         return val;
2002 }
2003
2004 /**
2005  * snd_hda_query_supported_pcm - query the supported PCM rates and formats
2006  * @codec: the HDA codec
2007  * @nid: NID to query
2008  * @ratesp: the pointer to store the detected rate bitflags
2009  * @formatsp: the pointer to store the detected formats
2010  * @bpsp: the pointer to store the detected format widths
2011  *
2012  * Queries the supported PCM rates and formats.  The NULL @ratesp, @formatsp
2013  * or @bsps argument is ignored.
2014  *
2015  * Returns 0 if successful, otherwise a negative error code.
2016  */
2017 int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
2018                                 u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
2019 {
2020         int i;
2021         unsigned int val, streams;
2022
2023         val = 0;
2024         if (nid != codec->afg &&
2025             (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
2026                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
2027                 if (val == -1)
2028                         return -EIO;
2029         }
2030         if (!val)
2031                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
2032
2033         if (ratesp) {
2034                 u32 rates = 0;
2035                 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) {
2036                         if (val & (1 << i))
2037                                 rates |= rate_bits[i].alsa_bits;
2038                 }
2039                 *ratesp = rates;
2040         }
2041
2042         if (formatsp || bpsp) {
2043                 u64 formats = 0;
2044                 unsigned int bps;
2045                 unsigned int wcaps;
2046
2047                 wcaps = get_wcaps(codec, nid);
2048                 streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
2049                 if (streams == -1)
2050                         return -EIO;
2051                 if (!streams) {
2052                         streams = snd_hda_param_read(codec, codec->afg,
2053                                                      AC_PAR_STREAM);
2054                         if (streams == -1)
2055                                 return -EIO;
2056                 }
2057
2058                 bps = 0;
2059                 if (streams & AC_SUPFMT_PCM) {
2060                         if (val & AC_SUPPCM_BITS_8) {
2061                                 formats |= SNDRV_PCM_FMTBIT_U8;
2062                                 bps = 8;
2063                         }
2064                         if (val & AC_SUPPCM_BITS_16) {
2065                                 formats |= SNDRV_PCM_FMTBIT_S16_LE;
2066                                 bps = 16;
2067                         }
2068                         if (wcaps & AC_WCAP_DIGITAL) {
2069                                 if (val & AC_SUPPCM_BITS_32)
2070                                         formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
2071                                 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
2072                                         formats |= SNDRV_PCM_FMTBIT_S32_LE;
2073                                 if (val & AC_SUPPCM_BITS_24)
2074                                         bps = 24;
2075                                 else if (val & AC_SUPPCM_BITS_20)
2076                                         bps = 20;
2077                         } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|
2078                                           AC_SUPPCM_BITS_32)) {
2079                                 formats |= SNDRV_PCM_FMTBIT_S32_LE;
2080                                 if (val & AC_SUPPCM_BITS_32)
2081                                         bps = 32;
2082                                 else if (val & AC_SUPPCM_BITS_24)
2083                                         bps = 24;
2084                                 else if (val & AC_SUPPCM_BITS_20)
2085                                         bps = 20;
2086                         }
2087                 }
2088                 else if (streams == AC_SUPFMT_FLOAT32) {
2089                         /* should be exclusive */
2090                         formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
2091                         bps = 32;
2092                 } else if (streams == AC_SUPFMT_AC3) {
2093                         /* should be exclusive */
2094                         /* temporary hack: we have still no proper support
2095                          * for the direct AC3 stream...
2096                          */
2097                         formats |= SNDRV_PCM_FMTBIT_U8;
2098                         bps = 8;
2099                 }
2100                 if (formatsp)
2101                         *formatsp = formats;
2102                 if (bpsp)
2103                         *bpsp = bps;
2104         }
2105
2106         return 0;
2107 }
2108
2109 /**
2110  * snd_hda_is_supported_format - check whether the given node supports
2111  * the format val
2112  *
2113  * Returns 1 if supported, 0 if not.
2114  */
2115 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
2116                                 unsigned int format)
2117 {
2118         int i;
2119         unsigned int val = 0, rate, stream;
2120
2121         if (nid != codec->afg &&
2122             (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
2123                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
2124                 if (val == -1)
2125                         return 0;
2126         }
2127         if (!val) {
2128                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
2129                 if (val == -1)
2130                         return 0;
2131         }
2132
2133         rate = format & 0xff00;
2134         for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)
2135                 if (rate_bits[i].hda_fmt == rate) {
2136                         if (val & (1 << i))
2137                                 break;
2138                         return 0;
2139                 }
2140         if (i >= AC_PAR_PCM_RATE_BITS)
2141                 return 0;
2142
2143         stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
2144         if (stream == -1)
2145                 return 0;
2146         if (!stream && nid != codec->afg)
2147                 stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
2148         if (!stream || stream == -1)
2149                 return 0;
2150
2151         if (stream & AC_SUPFMT_PCM) {
2152                 switch (format & 0xf0) {
2153                 case 0x00:
2154                         if (!(val & AC_SUPPCM_BITS_8))
2155                                 return 0;
2156                         break;
2157                 case 0x10:
2158                         if (!(val & AC_SUPPCM_BITS_16))
2159                                 return 0;
2160                         break;
2161                 case 0x20:
2162                         if (!(val & AC_SUPPCM_BITS_20))
2163                                 return 0;
2164                         break;
2165                 case 0x30:
2166                         if (!(val & AC_SUPPCM_BITS_24))
2167                                 return 0;
2168                         break;
2169                 case 0x40:
2170                         if (!(val & AC_SUPPCM_BITS_32))
2171                                 return 0;
2172                         break;
2173                 default:
2174                         return 0;
2175                 }
2176         } else {
2177                 /* FIXME: check for float32 and AC3? */
2178         }
2179
2180         return 1;
2181 }
2182
2183 /*
2184  * PCM stuff
2185  */
2186 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
2187                                       struct hda_codec *codec,
2188                                       struct snd_pcm_substream *substream)
2189 {
2190         return 0;
2191 }
2192
2193 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
2194                                    struct hda_codec *codec,
2195                                    unsigned int stream_tag,
2196                                    unsigned int format,
2197                                    struct snd_pcm_substream *substream)
2198 {
2199         snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
2200         return 0;
2201 }
2202
2203 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
2204                                    struct hda_codec *codec,
2205                                    struct snd_pcm_substream *substream)
2206 {
2207         snd_hda_codec_setup_stream(codec, hinfo->nid, 0, 0, 0);
2208         return 0;
2209 }
2210
2211 static int __devinit set_pcm_default_values(struct hda_codec *codec,
2212                                             struct hda_pcm_stream *info)
2213 {
2214         /* query support PCM information from the given NID */
2215         if (info->nid && (!info->rates || !info->formats)) {
2216                 snd_hda_query_supported_pcm(codec, info->nid,
2217                                 info->rates ? NULL : &info->rates,
2218                                 info->formats ? NULL : &info->formats,
2219                                 info->maxbps ? NULL : &info->maxbps);
2220         }
2221         if (info->ops.open == NULL)
2222                 info->ops.open = hda_pcm_default_open_close;
2223         if (info->ops.close == NULL)
2224                 info->ops.close = hda_pcm_default_open_close;
2225         if (info->ops.prepare == NULL) {
2226                 snd_assert(info->nid, return -EINVAL);
2227                 info->ops.prepare = hda_pcm_default_prepare;
2228         }
2229         if (info->ops.cleanup == NULL) {
2230                 snd_assert(info->nid, return -EINVAL);
2231                 info->ops.cleanup = hda_pcm_default_cleanup;
2232         }
2233         return 0;
2234 }
2235
2236 /**
2237  * snd_hda_build_pcms - build PCM information
2238  * @bus: the BUS
2239  *
2240  * Create PCM information for each codec included in the bus.
2241  *
2242  * The build_pcms codec patch is requested to set up codec->num_pcms and
2243  * codec->pcm_info properly.  The array is referred by the top-level driver
2244  * to create its PCM instances.
2245  * The allocated codec->pcm_info should be released in codec->patch_ops.free
2246  * callback.
2247  *
2248  * At least, substreams, channels_min and channels_max must be filled for
2249  * each stream.  substreams = 0 indicates that the stream doesn't exist.
2250  * When rates and/or formats are zero, the supported values are queried
2251  * from the given nid.  The nid is used also by the default ops.prepare
2252  * and ops.cleanup callbacks.
2253  *
2254  * The driver needs to call ops.open in its open callback.  Similarly,
2255  * ops.close is supposed to be called in the close callback.
2256  * ops.prepare should be called in the prepare or hw_params callback
2257  * with the proper parameters for set up.
2258  * ops.cleanup should be called in hw_free for clean up of streams.
2259  *
2260  * This function returns 0 if successfull, or a negative error code.
2261  */
2262 int __devinit snd_hda_build_pcms(struct hda_bus *bus)
2263 {
2264         struct hda_codec *codec;
2265
2266         list_for_each_entry(codec, &bus->codec_list, list) {
2267                 unsigned int pcm, s;
2268                 int err;
2269                 if (!codec->patch_ops.build_pcms)
2270                         continue;
2271                 err = codec->patch_ops.build_pcms(codec);
2272                 if (err < 0)
2273                         return err;
2274                 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
2275                         for (s = 0; s < 2; s++) {
2276                                 struct hda_pcm_stream *info;
2277                                 info = &codec->pcm_info[pcm].stream[s];
2278                                 if (!info->substreams)
2279                                         continue;
2280                                 err = set_pcm_default_values(codec, info);
2281                                 if (err < 0)
2282                                         return err;
2283                         }
2284                 }
2285         }
2286         return 0;
2287 }
2288
2289 /**
2290  * snd_hda_check_board_config - compare the current codec with the config table
2291  * @codec: the HDA codec
2292  * @num_configs: number of config enums
2293  * @models: array of model name strings
2294  * @tbl: configuration table, terminated by null entries
2295  *
2296  * Compares the modelname or PCI subsystem id of the current codec with the
2297  * given configuration table.  If a matching entry is found, returns its
2298  * config value (supposed to be 0 or positive).
2299  *
2300  * If no entries are matching, the function returns a negative value.
2301  */
2302 int snd_hda_check_board_config(struct hda_codec *codec,
2303                                int num_configs, const char **models,
2304                                const struct snd_pci_quirk *tbl)
2305 {
2306         if (codec->bus->modelname && models) {
2307                 int i;
2308                 for (i = 0; i < num_configs; i++) {
2309                         if (models[i] &&
2310                             !strcmp(codec->bus->modelname, models[i])) {
2311                                 snd_printd(KERN_INFO "hda_codec: model '%s' is "
2312                                            "selected\n", models[i]);
2313                                 return i;
2314                         }
2315                 }
2316         }
2317
2318         if (!codec->bus->pci || !tbl)
2319                 return -1;
2320
2321         tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl);
2322         if (!tbl)
2323                 return -1;
2324         if (tbl->value >= 0 && tbl->value < num_configs) {
2325 #ifdef CONFIG_SND_DEBUG_DETECT
2326                 char tmp[10];
2327                 const char *model = NULL;
2328                 if (models)
2329                         model = models[tbl->value];
2330                 if (!model) {
2331                         sprintf(tmp, "#%d", tbl->value);
2332                         model = tmp;
2333                 }
2334                 snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
2335                             "for config %x:%x (%s)\n",
2336                             model, tbl->subvendor, tbl->subdevice,
2337                             (tbl->name ? tbl->name : "Unknown device"));
2338 #endif
2339                 return tbl->value;
2340         }
2341         return -1;
2342 }
2343
2344 /**
2345  * snd_hda_add_new_ctls - create controls from the array
2346  * @codec: the HDA codec
2347  * @knew: the array of struct snd_kcontrol_new
2348  *
2349  * This helper function creates and add new controls in the given array.
2350  * The array must be terminated with an empty entry as terminator.
2351  *
2352  * Returns 0 if successful, or a negative error code.
2353  */
2354 int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
2355 {
2356         int err;
2357
2358         for (; knew->name; knew++) {
2359                 struct snd_kcontrol *kctl;
2360                 kctl = snd_ctl_new1(knew, codec);
2361                 if (!kctl)
2362                         return -ENOMEM;
2363                 err = snd_ctl_add(codec->bus->card, kctl);
2364                 if (err < 0) {
2365                         if (!codec->addr)
2366                                 return err;
2367                         kctl = snd_ctl_new1(knew, codec);
2368                         if (!kctl)
2369                                 return -ENOMEM;
2370                         kctl->id.device = codec->addr;
2371                         err = snd_ctl_add(codec->bus->card, kctl);
2372                         if (err < 0)
2373                                 return err;
2374                 }
2375         }
2376         return 0;
2377 }
2378
2379 #ifdef CONFIG_SND_HDA_POWER_SAVE
2380 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2381                                 unsigned int power_state);
2382
2383 static void hda_power_work(struct work_struct *work)
2384 {
2385         struct hda_codec *codec =
2386                 container_of(work, struct hda_codec, power_work.work);
2387
2388         if (!codec->power_on || codec->power_count) {
2389                 codec->power_transition = 0;
2390                 return;
2391         }
2392
2393         hda_call_codec_suspend(codec);
2394         if (codec->bus->ops.pm_notify)
2395                 codec->bus->ops.pm_notify(codec);
2396 }
2397
2398 static void hda_keep_power_on(struct hda_codec *codec)
2399 {
2400         codec->power_count++;
2401         codec->power_on = 1;
2402 }
2403
2404 void snd_hda_power_up(struct hda_codec *codec)
2405 {
2406         codec->power_count++;
2407         if (codec->power_on || codec->power_transition)
2408                 return;
2409
2410         codec->power_on = 1;
2411         if (codec->bus->ops.pm_notify)
2412                 codec->bus->ops.pm_notify(codec);
2413         hda_call_codec_resume(codec);
2414         cancel_delayed_work(&codec->power_work);
2415         codec->power_transition = 0;
2416 }
2417
2418 void snd_hda_power_down(struct hda_codec *codec)
2419 {
2420         --codec->power_count;
2421         if (!codec->power_on || codec->power_count || codec->power_transition)
2422                 return;
2423         if (power_save) {
2424                 codec->power_transition = 1; /* avoid reentrance */
2425                 schedule_delayed_work(&codec->power_work,
2426                                       msecs_to_jiffies(power_save * 1000));
2427         }
2428 }
2429
2430 int snd_hda_check_amp_list_power(struct hda_codec *codec,
2431                                  struct hda_loopback_check *check,
2432                                  hda_nid_t nid)
2433 {
2434         struct hda_amp_list *p;
2435         int ch, v;
2436
2437         if (!check->amplist)
2438                 return 0;
2439         for (p = check->amplist; p->nid; p++) {
2440                 if (p->nid == nid)
2441                         break;
2442         }
2443         if (!p->nid)
2444                 return 0; /* nothing changed */
2445
2446         for (p = check->amplist; p->nid; p++) {
2447                 for (ch = 0; ch < 2; ch++) {
2448                         v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
2449                                                    p->idx);
2450                         if (!(v & HDA_AMP_MUTE) && v > 0) {
2451                                 if (!check->power_on) {
2452                                         check->power_on = 1;
2453                                         snd_hda_power_up(codec);
2454                                 }
2455                                 return 1;
2456                         }
2457                 }
2458         }
2459         if (check->power_on) {
2460                 check->power_on = 0;
2461                 snd_hda_power_down(codec);
2462         }
2463         return 0;
2464 }
2465 #endif
2466
2467 /*
2468  * Channel mode helper
2469  */
2470 int snd_hda_ch_mode_info(struct hda_codec *codec,
2471                          struct snd_ctl_elem_info *uinfo,
2472                          const struct hda_channel_mode *chmode,
2473                          int num_chmodes)
2474 {
2475         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2476         uinfo->count = 1;
2477         uinfo->value.enumerated.items = num_chmodes;
2478         if (uinfo->value.enumerated.item >= num_chmodes)
2479                 uinfo->value.enumerated.item = num_chmodes - 1;
2480         sprintf(uinfo->value.enumerated.name, "%dch",
2481                 chmode[uinfo->value.enumerated.item].channels);
2482         return 0;
2483 }
2484
2485 int snd_hda_ch_mode_get(struct hda_codec *codec,
2486                         struct snd_ctl_elem_value *ucontrol,
2487                         const struct hda_channel_mode *chmode,
2488                         int num_chmodes,
2489                         int max_channels)
2490 {
2491         int i;
2492
2493         for (i = 0; i < num_chmodes; i++) {
2494                 if (max_channels == chmode[i].channels) {
2495                         ucontrol->value.enumerated.item[0] = i;
2496                         break;
2497                 }
2498         }
2499         return 0;
2500 }
2501
2502 int snd_hda_ch_mode_put(struct hda_codec *codec,
2503                         struct snd_ctl_elem_value *ucontrol,
2504                         const struct hda_channel_mode *chmode,
2505                         int num_chmodes,
2506                         int *max_channelsp)
2507 {
2508         unsigned int mode;
2509
2510         mode = ucontrol->value.enumerated.item[0];
2511         if (mode >= num_chmodes)
2512                 return -EINVAL;
2513         if (*max_channelsp == chmode[mode].channels)
2514                 return 0;
2515         /* change the current channel setting */
2516         *max_channelsp = chmode[mode].channels;
2517         if (chmode[mode].sequence)
2518                 snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
2519         return 1;
2520 }
2521
2522 /*
2523  * input MUX helper
2524  */
2525 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
2526                            struct snd_ctl_elem_info *uinfo)
2527 {
2528         unsigned int index;
2529
2530         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2531         uinfo->count = 1;
2532         uinfo->value.enumerated.items = imux->num_items;
2533         if (!imux->num_items)
2534                 return 0;
2535         index = uinfo->value.enumerated.item;
2536         if (index >= imux->num_items)
2537                 index = imux->num_items - 1;
2538         strcpy(uinfo->value.enumerated.name, imux->items[index].label);
2539         return 0;
2540 }
2541
2542 int snd_hda_input_mux_put(struct hda_codec *codec,
2543                           const struct hda_input_mux *imux,
2544                           struct snd_ctl_elem_value *ucontrol,
2545                           hda_nid_t nid,
2546                           unsigned int *cur_val)
2547 {
2548         unsigned int idx;
2549
2550         if (!imux->num_items)
2551                 return 0;
2552         idx = ucontrol->value.enumerated.item[0];
2553         if (idx >= imux->num_items)
2554                 idx = imux->num_items - 1;
2555         if (*cur_val == idx)
2556                 return 0;
2557         snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
2558                                   imux->items[idx].index);
2559         *cur_val = idx;
2560         return 1;
2561 }
2562
2563
2564 /*
2565  * Multi-channel / digital-out PCM helper functions
2566  */
2567
2568 /* setup SPDIF output stream */
2569 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
2570                                  unsigned int stream_tag, unsigned int format)
2571 {
2572         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2573         if (codec->spdif_ctls & AC_DIG1_ENABLE)
2574                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
2575                                     codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
2576         snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
2577         /* turn on again (if needed) */
2578         if (codec->spdif_ctls & AC_DIG1_ENABLE)
2579                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
2580                                     codec->spdif_ctls & 0xff);
2581 }
2582
2583 /*
2584  * open the digital out in the exclusive mode
2585  */
2586 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
2587                                struct hda_multi_out *mout)
2588 {
2589         mutex_lock(&codec->spdif_mutex);
2590         if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
2591                 /* already opened as analog dup; reset it once */
2592                 snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
2593         mout->dig_out_used = HDA_DIG_EXCLUSIVE;
2594         mutex_unlock(&codec->spdif_mutex);
2595         return 0;
2596 }
2597
2598 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
2599                                   struct hda_multi_out *mout,
2600                                   unsigned int stream_tag,
2601                                   unsigned int format,
2602                                   struct snd_pcm_substream *substream)
2603 {
2604         mutex_lock(&codec->spdif_mutex);
2605         setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
2606         mutex_unlock(&codec->spdif_mutex);
2607         return 0;
2608 }
2609
2610 /*
2611  * release the digital out
2612  */
2613 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
2614                                 struct hda_multi_out *mout)
2615 {
2616         mutex_lock(&codec->spdif_mutex);
2617         mout->dig_out_used = 0;
2618         mutex_unlock(&codec->spdif_mutex);
2619         return 0;
2620 }
2621
2622 /*
2623  * set up more restrictions for analog out
2624  */
2625 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
2626                                   struct hda_multi_out *mout,
2627                                   struct snd_pcm_substream *substream,
2628                                   struct hda_pcm_stream *hinfo)
2629 {
2630         struct snd_pcm_runtime *runtime = substream->runtime;
2631         runtime->hw.channels_max = mout->max_channels;
2632         if (mout->dig_out_nid) {
2633                 if (!mout->analog_rates) {
2634                         mout->analog_rates = hinfo->rates;
2635                         mout->analog_formats = hinfo->formats;
2636                         mout->analog_maxbps = hinfo->maxbps;
2637                 } else {
2638                         runtime->hw.rates = mout->analog_rates;
2639                         runtime->hw.formats = mout->analog_formats;
2640                         hinfo->maxbps = mout->analog_maxbps;
2641                 }
2642                 if (!mout->spdif_rates) {
2643                         snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
2644                                                     &mout->spdif_rates,
2645                                                     &mout->spdif_formats,
2646                                                     &mout->spdif_maxbps);
2647                 }
2648                 mutex_lock(&codec->spdif_mutex);
2649                 if (mout->share_spdif) {
2650                         runtime->hw.rates &= mout->spdif_rates;
2651                         runtime->hw.formats &= mout->spdif_formats;
2652                         if (mout->spdif_maxbps < hinfo->maxbps)
2653                                 hinfo->maxbps = mout->spdif_maxbps;
2654                 }
2655         }
2656         mutex_unlock(&codec->spdif_mutex);
2657         return snd_pcm_hw_constraint_step(substream->runtime, 0,
2658                                           SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2659 }
2660
2661 /*
2662  * set up the i/o for analog out
2663  * when the digital out is available, copy the front out to digital out, too.
2664  */
2665 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
2666                                      struct hda_multi_out *mout,
2667                                      unsigned int stream_tag,
2668                                      unsigned int format,
2669                                      struct snd_pcm_substream *substream)
2670 {
2671         hda_nid_t *nids = mout->dac_nids;
2672         int chs = substream->runtime->channels;
2673         int i;
2674
2675         mutex_lock(&codec->spdif_mutex);
2676         if (mout->dig_out_nid && mout->share_spdif &&
2677             mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
2678                 if (chs == 2 &&
2679                     snd_hda_is_supported_format(codec, mout->dig_out_nid,
2680                                                 format) &&
2681                     !(codec->spdif_status & IEC958_AES0_NONAUDIO)) {
2682                         mout->dig_out_used = HDA_DIG_ANALOG_DUP;
2683                         setup_dig_out_stream(codec, mout->dig_out_nid,
2684                                              stream_tag, format);
2685                 } else {
2686                         mout->dig_out_used = 0;
2687                         snd_hda_codec_setup_stream(codec, mout->dig_out_nid,
2688                                                    0, 0, 0);
2689                 }
2690         }
2691         mutex_unlock(&codec->spdif_mutex);
2692
2693         /* front */
2694         snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
2695                                    0, format);
2696         if (!mout->no_share_stream &&
2697             mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
2698                 /* headphone out will just decode front left/right (stereo) */
2699                 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
2700                                            0, format);
2701         /* extra outputs copied from front */
2702         for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2703                 if (!mout->no_share_stream && mout->extra_out_nid[i])
2704                         snd_hda_codec_setup_stream(codec,
2705                                                    mout->extra_out_nid[i],
2706                                                    stream_tag, 0, format);
2707
2708         /* surrounds */
2709         for (i = 1; i < mout->num_dacs; i++) {
2710                 if (chs >= (i + 1) * 2) /* independent out */
2711                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2712                                                    i * 2, format);
2713                 else if (!mout->no_share_stream) /* copy front */
2714                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2715                                                    0, format);
2716         }
2717         return 0;
2718 }
2719
2720 /*
2721  * clean up the setting for analog out
2722  */
2723 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
2724                                      struct hda_multi_out *mout)
2725 {
2726         hda_nid_t *nids = mout->dac_nids;
2727         int i;
2728
2729         for (i = 0; i < mout->num_dacs; i++)
2730                 snd_hda_codec_setup_stream(codec, nids[i], 0, 0, 0);
2731         if (mout->hp_nid)
2732                 snd_hda_codec_setup_stream(codec, mout->hp_nid, 0, 0, 0);
2733         for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2734                 if (mout->extra_out_nid[i])
2735                         snd_hda_codec_setup_stream(codec,
2736                                                    mout->extra_out_nid[i],
2737                                                    0, 0, 0);
2738         mutex_lock(&codec->spdif_mutex);
2739         if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
2740                 snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
2741                 mout->dig_out_used = 0;
2742         }
2743         mutex_unlock(&codec->spdif_mutex);
2744         return 0;
2745 }
2746
2747 /*
2748  * Helper for automatic ping configuration
2749  */
2750
2751 static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list)
2752 {
2753         for (; *list; list++)
2754                 if (*list == nid)
2755                         return 1;
2756         return 0;
2757 }
2758
2759
2760 /*
2761  * Sort an associated group of pins according to their sequence numbers.
2762  */
2763 static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences,
2764                                   int num_pins)
2765 {
2766         int i, j;
2767         short seq;
2768         hda_nid_t nid;
2769
2770         for (i = 0; i < num_pins; i++) {
2771                 for (j = i + 1; j < num_pins; j++) {
2772                         if (sequences[i] > sequences[j]) {
2773                                 seq = sequences[i];
2774                                 sequences[i] = sequences[j];
2775                                 sequences[j] = seq;
2776                                 nid = pins[i];
2777                                 pins[i] = pins[j];
2778                                 pins[j] = nid;
2779                         }
2780                 }
2781         }
2782 }
2783
2784
2785 /*
2786  * Parse all pin widgets and store the useful pin nids to cfg
2787  *
2788  * The number of line-outs or any primary output is stored in line_outs,
2789  * and the corresponding output pins are assigned to line_out_pins[],
2790  * in the order of front, rear, CLFE, side, ...
2791  *
2792  * If more extra outputs (speaker and headphone) are found, the pins are
2793  * assisnged to hp_pins[] and speaker_pins[], respectively.  If no line-out jack
2794  * is detected, one of speaker of HP pins is assigned as the primary
2795  * output, i.e. to line_out_pins[0].  So, line_outs is always positive
2796  * if any analog output exists.
2797  *
2798  * The analog input pins are assigned to input_pins array.
2799  * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
2800  * respectively.
2801  */
2802 int snd_hda_parse_pin_def_config(struct hda_codec *codec,
2803                                  struct auto_pin_cfg *cfg,
2804                                  hda_nid_t *ignore_nids)
2805 {
2806         hda_nid_t nid, end_nid;
2807         short seq, assoc_line_out, assoc_speaker;
2808         short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)];
2809         short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)];
2810         short sequences_hp[ARRAY_SIZE(cfg->hp_pins)];
2811
2812         memset(cfg, 0, sizeof(*cfg));
2813
2814         memset(sequences_line_out, 0, sizeof(sequences_line_out));
2815         memset(sequences_speaker, 0, sizeof(sequences_speaker));
2816         memset(sequences_hp, 0, sizeof(sequences_hp));
2817         assoc_line_out = assoc_speaker = 0;
2818
2819         end_nid = codec->start_nid + codec->num_nodes;
2820         for (nid = codec->start_nid; nid < end_nid; nid++) {
2821                 unsigned int wid_caps = get_wcaps(codec, nid);
2822                 unsigned int wid_type =
2823                         (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
2824                 unsigned int def_conf;
2825                 short assoc, loc;
2826
2827                 /* read all default configuration for pin complex */
2828                 if (wid_type != AC_WID_PIN)
2829                         continue;
2830                 /* ignore the given nids (e.g. pc-beep returns error) */
2831                 if (ignore_nids && is_in_nid_list(nid, ignore_nids))
2832                         continue;
2833
2834                 def_conf = snd_hda_codec_read(codec, nid, 0,
2835                                               AC_VERB_GET_CONFIG_DEFAULT, 0);
2836                 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
2837                         continue;
2838                 loc = get_defcfg_location(def_conf);
2839                 switch (get_defcfg_device(def_conf)) {
2840                 case AC_JACK_LINE_OUT:
2841                         seq = get_defcfg_sequence(def_conf);
2842                         assoc = get_defcfg_association(def_conf);
2843
2844                         if (!(wid_caps & AC_WCAP_STEREO))
2845                                 if (!cfg->mono_out_pin)
2846                                         cfg->mono_out_pin = nid;
2847                         if (!assoc)
2848                                 continue;
2849                         if (!assoc_line_out)
2850                                 assoc_line_out = assoc;
2851                         else if (assoc_line_out != assoc)
2852                                 continue;
2853                         if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
2854                                 continue;
2855                         cfg->line_out_pins[cfg->line_outs] = nid;
2856                         sequences_line_out[cfg->line_outs] = seq;
2857                         cfg->line_outs++;
2858                         break;
2859                 case AC_JACK_SPEAKER:
2860                         seq = get_defcfg_sequence(def_conf);
2861                         assoc = get_defcfg_association(def_conf);
2862                         if (! assoc)
2863                                 continue;
2864                         if (! assoc_speaker)
2865                                 assoc_speaker = assoc;
2866                         else if (assoc_speaker != assoc)
2867                                 continue;
2868                         if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
2869                                 continue;
2870                         cfg->speaker_pins[cfg->speaker_outs] = nid;
2871                         sequences_speaker[cfg->speaker_outs] = seq;
2872                         cfg->speaker_outs++;
2873                         break;
2874                 case AC_JACK_HP_OUT:
2875                         seq = get_defcfg_sequence(def_conf);
2876                         assoc = get_defcfg_association(def_conf);
2877                         if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
2878                                 continue;
2879                         cfg->hp_pins[cfg->hp_outs] = nid;
2880                         sequences_hp[cfg->hp_outs] = (assoc << 4) | seq;
2881                         cfg->hp_outs++;
2882                         break;
2883                 case AC_JACK_MIC_IN: {
2884                         int preferred, alt;
2885                         if (loc == AC_JACK_LOC_FRONT) {
2886                                 preferred = AUTO_PIN_FRONT_MIC;
2887                                 alt = AUTO_PIN_MIC;
2888                         } else {
2889                                 preferred = AUTO_PIN_MIC;
2890                                 alt = AUTO_PIN_FRONT_MIC;
2891                         }
2892                         if (!cfg->input_pins[preferred])
2893                                 cfg->input_pins[preferred] = nid;
2894                         else if (!cfg->input_pins[alt])
2895                                 cfg->input_pins[alt] = nid;
2896                         break;
2897                 }
2898                 case AC_JACK_LINE_IN:
2899                         if (loc == AC_JACK_LOC_FRONT)
2900                                 cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
2901                         else
2902                                 cfg->input_pins[AUTO_PIN_LINE] = nid;
2903                         break;
2904                 case AC_JACK_CD:
2905                         cfg->input_pins[AUTO_PIN_CD] = nid;
2906                         break;
2907                 case AC_JACK_AUX:
2908                         cfg->input_pins[AUTO_PIN_AUX] = nid;
2909                         break;
2910                 case AC_JACK_SPDIF_OUT:
2911                         cfg->dig_out_pin = nid;
2912                         break;
2913                 case AC_JACK_SPDIF_IN:
2914                         cfg->dig_in_pin = nid;
2915                         break;
2916                 }
2917         }
2918
2919         /* FIX-UP:
2920          * If no line-out is defined but multiple HPs are found,
2921          * some of them might be the real line-outs.
2922          */
2923         if (!cfg->line_outs && cfg->hp_outs > 1) {
2924                 int i = 0;
2925                 while (i < cfg->hp_outs) {
2926                         /* The real HPs should have the sequence 0x0f */
2927                         if ((sequences_hp[i] & 0x0f) == 0x0f) {
2928                                 i++;
2929                                 continue;
2930                         }
2931                         /* Move it to the line-out table */
2932                         cfg->line_out_pins[cfg->line_outs] = cfg->hp_pins[i];
2933                         sequences_line_out[cfg->line_outs] = sequences_hp[i];
2934                         cfg->line_outs++;
2935                         cfg->hp_outs--;
2936                         memmove(cfg->hp_pins + i, cfg->hp_pins + i + 1,
2937                                 sizeof(cfg->hp_pins[0]) * (cfg->hp_outs - i));
2938                         memmove(sequences_hp + i - 1, sequences_hp + i,
2939                                 sizeof(sequences_hp[0]) * (cfg->hp_outs - i));
2940                 }
2941         }
2942
2943         /* sort by sequence */
2944         sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out,
2945                               cfg->line_outs);
2946         sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker,
2947                               cfg->speaker_outs);
2948         sort_pins_by_sequence(cfg->hp_pins, sequences_hp,
2949                               cfg->hp_outs);
2950
2951         /* if we have only one mic, make it AUTO_PIN_MIC */
2952         if (!cfg->input_pins[AUTO_PIN_MIC] &&
2953             cfg->input_pins[AUTO_PIN_FRONT_MIC]) {
2954                 cfg->input_pins[AUTO_PIN_MIC] =
2955                         cfg->input_pins[AUTO_PIN_FRONT_MIC];
2956                 cfg->input_pins[AUTO_PIN_FRONT_MIC] = 0;
2957         }
2958         /* ditto for line-in */
2959         if (!cfg->input_pins[AUTO_PIN_LINE] &&
2960             cfg->input_pins[AUTO_PIN_FRONT_LINE]) {
2961                 cfg->input_pins[AUTO_PIN_LINE] =
2962                         cfg->input_pins[AUTO_PIN_FRONT_LINE];
2963                 cfg->input_pins[AUTO_PIN_FRONT_LINE] = 0;
2964         }
2965
2966         /*
2967          * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
2968          * as a primary output
2969          */
2970         if (!cfg->line_outs) {
2971                 if (cfg->speaker_outs) {
2972                         cfg->line_outs = cfg->speaker_outs;
2973                         memcpy(cfg->line_out_pins, cfg->speaker_pins,
2974                                sizeof(cfg->speaker_pins));
2975                         cfg->speaker_outs = 0;
2976                         memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
2977                         cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
2978                 } else if (cfg->hp_outs) {
2979                         cfg->line_outs = cfg->hp_outs;
2980                         memcpy(cfg->line_out_pins, cfg->hp_pins,
2981                                sizeof(cfg->hp_pins));
2982                         cfg->hp_outs = 0;
2983                         memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
2984                         cfg->line_out_type = AUTO_PIN_HP_OUT;
2985                 }
2986         }
2987
2988         /* Reorder the surround channels
2989          * ALSA sequence is front/surr/clfe/side
2990          * HDA sequence is:
2991          *    4-ch: front/surr  =>  OK as it is
2992          *    6-ch: front/clfe/surr
2993          *    8-ch: front/clfe/rear/side|fc
2994          */
2995         switch (cfg->line_outs) {
2996         case 3:
2997         case 4:
2998                 nid = cfg->line_out_pins[1];
2999                 cfg->line_out_pins[1] = cfg->line_out_pins[2];
3000                 cfg->line_out_pins[2] = nid;
3001                 break;
3002         }
3003
3004         /*
3005          * debug prints of the parsed results
3006          */
3007         snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3008                    cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
3009                    cfg->line_out_pins[2], cfg->line_out_pins[3],
3010                    cfg->line_out_pins[4]);
3011         snd_printd("   speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3012                    cfg->speaker_outs, cfg->speaker_pins[0],
3013                    cfg->speaker_pins[1], cfg->speaker_pins[2],
3014                    cfg->speaker_pins[3], cfg->speaker_pins[4]);
3015         snd_printd("   hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3016                    cfg->hp_outs, cfg->hp_pins[0],
3017                    cfg->hp_pins[1], cfg->hp_pins[2],
3018                    cfg->hp_pins[3], cfg->hp_pins[4]);
3019         snd_printd("   mono: mono_out=0x%x\n", cfg->mono_out_pin);
3020         snd_printd("   inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
3021                    " cd=0x%x, aux=0x%x\n",
3022                    cfg->input_pins[AUTO_PIN_MIC],
3023                    cfg->input_pins[AUTO_PIN_FRONT_MIC],
3024                    cfg->input_pins[AUTO_PIN_LINE],
3025                    cfg->input_pins[AUTO_PIN_FRONT_LINE],
3026                    cfg->input_pins[AUTO_PIN_CD],
3027                    cfg->input_pins[AUTO_PIN_AUX]);
3028
3029         return 0;
3030 }
3031
3032 /* labels for input pins */
3033 const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
3034         "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
3035 };
3036
3037
3038 #ifdef CONFIG_PM
3039 /*
3040  * power management
3041  */
3042
3043 /**
3044  * snd_hda_suspend - suspend the codecs
3045  * @bus: the HDA bus
3046  * @state: suspsend state
3047  *
3048  * Returns 0 if successful.
3049  */
3050 int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
3051 {
3052         struct hda_codec *codec;
3053
3054         list_for_each_entry(codec, &bus->codec_list, list) {
3055 #ifdef CONFIG_SND_HDA_POWER_SAVE
3056                 if (!codec->power_on)
3057                         continue;
3058 #endif
3059                 hda_call_codec_suspend(codec);
3060         }
3061         return 0;
3062 }
3063
3064 /**
3065  * snd_hda_resume - resume the codecs
3066  * @bus: the HDA bus
3067  * @state: resume state
3068  *
3069  * Returns 0 if successful.
3070  *
3071  * This fucntion is defined only when POWER_SAVE isn't set.
3072  * In the power-save mode, the codec is resumed dynamically.
3073  */
3074 int snd_hda_resume(struct hda_bus *bus)
3075 {
3076         struct hda_codec *codec;
3077
3078         list_for_each_entry(codec, &bus->codec_list, list) {
3079                 if (snd_hda_codec_needs_resume(codec))
3080                         hda_call_codec_resume(codec);
3081         }
3082         return 0;
3083 }
3084 #ifdef CONFIG_SND_HDA_POWER_SAVE
3085 int snd_hda_codecs_inuse(struct hda_bus *bus)
3086 {
3087         struct hda_codec *codec;
3088
3089         list_for_each_entry(codec, &bus->codec_list, list) {
3090                 if (snd_hda_codec_needs_resume(codec))
3091                         return 1;
3092         }
3093         return 0;
3094 }
3095 #endif
3096 #endif