err.no Git - linux-2.6/blob - sound/pci/hda/hda_codec.c

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