git.oblomov.eu 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 #include "hda_patch.h"  /* codec presets */
  35
  36 #ifdef CONFIG_SND_HDA_POWER_SAVE
  37 /* define this option here to hide as static */
  38 static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
  39 module_param(power_save, int, 0644);
  40 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
  41                  "(in second, 0 = disable).");
  42 #endif
  43
  44 /*
  45  * vendor / preset table
  46  */
  47
  48 struct hda_vendor_id {
  49         unsigned int id;
  50         const char *name;
  51 };
  52
  53 /* codec vendor labels */
  54 static struct hda_vendor_id hda_vendor_ids[] = {
  55         { 0x1002, "ATI" },
  56         { 0x1057, "Motorola" },
  57         { 0x1095, "Silicon Image" },
  58         { 0x10ec, "Realtek" },
  59         { 0x1106, "VIA" },
  60         { 0x111d, "IDT" },
  61         { 0x11c1, "LSI" },
  62         { 0x11d4, "Analog Devices" },
  63         { 0x13f6, "C-Media" },
  64         { 0x14f1, "Conexant" },
  65         { 0x17e8, "Chrontel" },
  66         { 0x1854, "LG" },
  67         { 0x1aec, "Wolfson Microelectronics" },
  68         { 0x434d, "C-Media" },
  69         { 0x8384, "SigmaTel" },
  70         {} /* terminator */
  71 };
  72
  73 static const struct hda_codec_preset *hda_preset_tables[] = {
  74 #ifdef CONFIG_SND_HDA_CODEC_REALTEK
  75         snd_hda_preset_realtek,
  76 #endif
  77 #ifdef CONFIG_SND_HDA_CODEC_CMEDIA
  78         snd_hda_preset_cmedia,
  79 #endif
  80 #ifdef CONFIG_SND_HDA_CODEC_ANALOG
  81         snd_hda_preset_analog,
  82 #endif
  83 #ifdef CONFIG_SND_HDA_CODEC_SIGMATEL
  84         snd_hda_preset_sigmatel,
  85 #endif
  86 #ifdef CONFIG_SND_HDA_CODEC_SI3054
  87         snd_hda_preset_si3054,
  88 #endif
  89 #ifdef CONFIG_SND_HDA_CODEC_ATIHDMI
  90         snd_hda_preset_atihdmi,
  91 #endif
  92 #ifdef CONFIG_SND_HDA_CODEC_CONEXANT
  93         snd_hda_preset_conexant,
  94 #endif
  95 #ifdef CONFIG_SND_HDA_CODEC_VIA
  96         snd_hda_preset_via,
  97 #endif
  98 #ifdef CONFIG_SND_HDA_CODEC_NVHDMI
  99         snd_hda_preset_nvhdmi,
 100 #endif
 101         NULL
 102 };
 103
 104 #ifdef CONFIG_SND_HDA_POWER_SAVE
 105 static void hda_power_work(struct work_struct *work);
 106 static void hda_keep_power_on(struct hda_codec *codec);
 107 #else
 108 static inline void hda_keep_power_on(struct hda_codec *codec) {}
 109 #endif
 110
 111 /**
 112  * snd_hda_codec_read - send a command and get the response
 113  * @codec: the HDA codec
 114  * @nid: NID to send the command
 115  * @direct: direct flag
 116  * @verb: the verb to send
 117  * @parm: the parameter for the verb
 118  *
 119  * Send a single command and read the corresponding response.
 120  *
 121  * Returns the obtained response value, or -1 for an error.
 122  */
 123 unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
 124                                 int direct,
 125                                 unsigned int verb, unsigned int parm)
 126 {
 127         unsigned int res;
 128         snd_hda_power_up(codec);
 129         mutex_lock(&codec->bus->cmd_mutex);
 130         if (!codec->bus->ops.command(codec, nid, direct, verb, parm))
 131                 res = codec->bus->ops.get_response(codec);
 132         else
 133                 res = (unsigned int)-1;
 134         mutex_unlock(&codec->bus->cmd_mutex);
 135         snd_hda_power_down(codec);
 136         return res;
 137 }
 138
 139 /**
 140  * snd_hda_codec_write - send a single command without waiting for response
 141  * @codec: the HDA codec
 142  * @nid: NID to send the command
 143  * @direct: direct flag
 144  * @verb: the verb to send
 145  * @parm: the parameter for the verb
 146  *
 147  * Send a single command without waiting for response.
 148  *
 149  * Returns 0 if successful, or a negative error code.
 150  */
 151 int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
 152                          unsigned int verb, unsigned int parm)
 153 {
 154         int err;
 155         snd_hda_power_up(codec);
 156         mutex_lock(&codec->bus->cmd_mutex);
 157         err = codec->bus->ops.command(codec, nid, direct, verb, parm);
 158         mutex_unlock(&codec->bus->cmd_mutex);
 159         snd_hda_power_down(codec);
 160         return err;
 161 }
 162
 163 /**
 164  * snd_hda_sequence_write - sequence writes
 165  * @codec: the HDA codec
 166  * @seq: VERB array to send
 167  *
 168  * Send the commands sequentially from the given array.
 169  * The array must be terminated with NID=0.
 170  */
 171 void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
 172 {
 173         for (; seq->nid; seq++)
 174                 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
 175 }
 176
 177 /**
 178  * snd_hda_get_sub_nodes - get the range of sub nodes
 179  * @codec: the HDA codec
 180  * @nid: NID to parse
 181  * @start_id: the pointer to store the start NID
 182  *
 183  * Parse the NID and store the start NID of its sub-nodes.
 184  * Returns the number of sub-nodes.
 185  */
 186 int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
 187                           hda_nid_t *start_id)
 188 {
 189         unsigned int parm;
 190
 191         parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
 192         if (parm == -1)
 193                 return 0;
 194         *start_id = (parm >> 16) & 0x7fff;
 195         return (int)(parm & 0x7fff);
 196 }
 197
 198 /**
 199  * snd_hda_get_connections - get connection list
 200  * @codec: the HDA codec
 201  * @nid: NID to parse
 202  * @conn_list: connection list array
 203  * @max_conns: max. number of connections to store
 204  *
 205  * Parses the connection list of the given widget and stores the list
 206  * of NIDs.
 207  *
 208  * Returns the number of connections, or a negative error code.
 209  */
 210 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
 211                             hda_nid_t *conn_list, int max_conns)
 212 {
 213         unsigned int parm;
 214         int i, conn_len, conns;
 215         unsigned int shift, num_elems, mask;
 216         hda_nid_t prev_nid;
 217
 218         if (snd_BUG_ON(!conn_list || max_conns <= 0))
 219                 return -EINVAL;
 220
 221         parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN);
 222         if (parm & AC_CLIST_LONG) {
 223                 /* long form */
 224                 shift = 16;
 225                 num_elems = 2;
 226         } else {
 227                 /* short form */
 228                 shift = 8;
 229                 num_elems = 4;
 230         }
 231         conn_len = parm & AC_CLIST_LENGTH;
 232         mask = (1 << (shift-1)) - 1;
 233
 234         if (!conn_len)
 235                 return 0; /* no connection */
 236
 237         if (conn_len == 1) {
 238                 /* single connection */
 239                 parm = snd_hda_codec_read(codec, nid, 0,
 240                                           AC_VERB_GET_CONNECT_LIST, 0);
 241                 conn_list[0] = parm & mask;
 242                 return 1;
 243         }
 244
 245         /* multi connection */
 246         conns = 0;
 247         prev_nid = 0;
 248         for (i = 0; i < conn_len; i++) {
 249                 int range_val;
 250                 hda_nid_t val, n;
 251
 252                 if (i % num_elems == 0)
 253                         parm = snd_hda_codec_read(codec, nid, 0,
 254                                                   AC_VERB_GET_CONNECT_LIST, i);
 255                 range_val = !!(parm & (1 << (shift-1))); /* ranges */
 256                 val = parm & mask;
 257                 parm >>= shift;
 258                 if (range_val) {
 259                         /* ranges between the previous and this one */
 260                         if (!prev_nid || prev_nid >= val) {
 261                                 snd_printk(KERN_WARNING "hda_codec: "
 262                                            "invalid dep_range_val %x:%x\n",
 263                                            prev_nid, val);
 264                                 continue;
 265                         }
 266                         for (n = prev_nid + 1; n <= val; n++) {
 267                                 if (conns >= max_conns) {
 268                                         snd_printk(KERN_ERR
 269                                                    "Too many connections\n");
 270                                         return -EINVAL;
 271                                 }
 272                                 conn_list[conns++] = n;
 273                         }
 274                 } else {
 275                         if (conns >= max_conns) {
 276                                 snd_printk(KERN_ERR "Too many connections\n");
 277                                 return -EINVAL;
 278                         }
 279                         conn_list[conns++] = val;
 280                 }
 281                 prev_nid = val;
 282         }
 283         return conns;
 284 }
 285
 286
 287 /**
 288  * snd_hda_queue_unsol_event - add an unsolicited event to queue
 289  * @bus: the BUS
 290  * @res: unsolicited event (lower 32bit of RIRB entry)
 291  * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
 292  *
 293  * Adds the given event to the queue.  The events are processed in
 294  * the workqueue asynchronously.  Call this function in the interrupt
 295  * hanlder when RIRB receives an unsolicited event.
 296  *
 297  * Returns 0 if successful, or a negative error code.
 298  */
 299 int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
 300 {
 301         struct hda_bus_unsolicited *unsol;
 302         unsigned int wp;
 303
 304         unsol = bus->unsol;
 305         if (!unsol)
 306                 return 0;
 307
 308         wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
 309         unsol->wp = wp;
 310
 311         wp <<= 1;
 312         unsol->queue[wp] = res;
 313         unsol->queue[wp + 1] = res_ex;
 314
 315         schedule_work(&unsol->work);
 316
 317         return 0;
 318 }
 319
 320 /*
 321  * process queued unsolicited events
 322  */
 323 static void process_unsol_events(struct work_struct *work)
 324 {
 325         struct hda_bus_unsolicited *unsol =
 326                 container_of(work, struct hda_bus_unsolicited, work);
 327         struct hda_bus *bus = unsol->bus;
 328         struct hda_codec *codec;
 329         unsigned int rp, caddr, res;
 330
 331         while (unsol->rp != unsol->wp) {
 332                 rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE;
 333                 unsol->rp = rp;
 334                 rp <<= 1;
 335                 res = unsol->queue[rp];
 336                 caddr = unsol->queue[rp + 1];
 337                 if (!(caddr & (1 << 4))) /* no unsolicited event? */
 338                         continue;
 339                 codec = bus->caddr_tbl[caddr & 0x0f];
 340                 if (codec && codec->patch_ops.unsol_event)
 341                         codec->patch_ops.unsol_event(codec, res);
 342         }
 343 }
 344
 345 /*
 346  * initialize unsolicited queue
 347  */
 348 static int __devinit init_unsol_queue(struct hda_bus *bus)
 349 {
 350         struct hda_bus_unsolicited *unsol;
 351
 352         if (bus->unsol) /* already initialized */
 353                 return 0;
 354
 355         unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
 356         if (!unsol) {
 357                 snd_printk(KERN_ERR "hda_codec: "
 358                            "can't allocate unsolicited queue\n");
 359                 return -ENOMEM;
 360         }
 361         INIT_WORK(&unsol->work, process_unsol_events);
 362         unsol->bus = bus;
 363         bus->unsol = unsol;
 364         return 0;
 365 }
 366
 367 /*
 368  * destructor
 369  */
 370 static void snd_hda_codec_free(struct hda_codec *codec);
 371
 372 static int snd_hda_bus_free(struct hda_bus *bus)
 373 {
 374         struct hda_codec *codec, *n;
 375
 376         if (!bus)
 377                 return 0;
 378         if (bus->unsol) {
 379                 flush_scheduled_work();
 380                 kfree(bus->unsol);
 381         }
 382         list_for_each_entry_safe(codec, n, &bus->codec_list, list) {
 383                 snd_hda_codec_free(codec);
 384         }
 385         if (bus->ops.private_free)
 386                 bus->ops.private_free(bus);
 387         kfree(bus);
 388         return 0;
 389 }
 390
 391 static int snd_hda_bus_dev_free(struct snd_device *device)
 392 {
 393         struct hda_bus *bus = device->device_data;
 394         return snd_hda_bus_free(bus);
 395 }
 396
 397 /**
 398  * snd_hda_bus_new - create a HDA bus
 399  * @card: the card entry
 400  * @temp: the template for hda_bus information
 401  * @busp: the pointer to store the created bus instance
 402  *
 403  * Returns 0 if successful, or a negative error code.
 404  */
 405 int __devinit snd_hda_bus_new(struct snd_card *card,
 406                               const struct hda_bus_template *temp,
 407                               struct hda_bus **busp)
 408 {
 409         struct hda_bus *bus;
 410         int err;
 411         static struct snd_device_ops dev_ops = {
 412                 .dev_free = snd_hda_bus_dev_free,
 413         };
 414
 415         if (snd_BUG_ON(!temp))
 416                 return -EINVAL;
 417         if (snd_BUG_ON(!temp->ops.command || !temp->ops.get_response))
 418                 return -EINVAL;
 419
 420         if (busp)
 421                 *busp = NULL;
 422
 423         bus = kzalloc(sizeof(*bus), GFP_KERNEL);
 424         if (bus == NULL) {
 425                 snd_printk(KERN_ERR "can't allocate struct hda_bus\n");
 426                 return -ENOMEM;
 427         }
 428
 429         bus->card = card;
 430         bus->private_data = temp->private_data;
 431         bus->pci = temp->pci;
 432         bus->modelname = temp->modelname;
 433         bus->ops = temp->ops;
 434
 435         mutex_init(&bus->cmd_mutex);
 436         INIT_LIST_HEAD(&bus->codec_list);
 437
 438         err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
 439         if (err < 0) {
 440                 snd_hda_bus_free(bus);
 441                 return err;
 442         }
 443         if (busp)
 444                 *busp = bus;
 445         return 0;
 446 }
 447
 448 #ifdef CONFIG_SND_HDA_GENERIC
 449 #define is_generic_config(codec) \
 450         (codec->bus->modelname && !strcmp(codec->bus->modelname, "generic"))
 451 #else
 452 #define is_generic_config(codec)        0
 453 #endif
 454
 455 /*
 456  * find a matching codec preset
 457  */
 458 static const struct hda_codec_preset __devinit *
 459 find_codec_preset(struct hda_codec *codec)
 460 {
 461         const struct hda_codec_preset **tbl, *preset;
 462
 463         if (is_generic_config(codec))
 464                 return NULL; /* use the generic parser */
 465
 466         for (tbl = hda_preset_tables; *tbl; tbl++) {
 467                 for (preset = *tbl; preset->id; preset++) {
 468                         u32 mask = preset->mask;
 469                         if (preset->afg && preset->afg != codec->afg)
 470                                 continue;
 471                         if (preset->mfg && preset->mfg != codec->mfg)
 472                                 continue;
 473                         if (!mask)
 474                                 mask = ~0;
 475                         if (preset->id == (codec->vendor_id & mask) &&
 476                             (!preset->rev ||
 477                              preset->rev == codec->revision_id))
 478                                 return preset;
 479                 }
 480         }
 481         return NULL;
 482 }
 483
 484 /*
 485  * snd_hda_get_codec_name - store the codec name
 486  */
 487 void snd_hda_get_codec_name(struct hda_codec *codec,
 488                             char *name, int namelen)
 489 {
 490         const struct hda_vendor_id *c;
 491         const char *vendor = NULL;
 492         u16 vendor_id = codec->vendor_id >> 16;
 493         char tmp[16];
 494
 495         for (c = hda_vendor_ids; c->id; c++) {
 496                 if (c->id == vendor_id) {
 497                         vendor = c->name;
 498                         break;
 499                 }
 500         }
 501         if (!vendor) {
 502                 sprintf(tmp, "Generic %04x", vendor_id);
 503                 vendor = tmp;
 504         }
 505         if (codec->preset && codec->preset->name)
 506                 snprintf(name, namelen, "%s %s", vendor, codec->preset->name);
 507         else
 508                 snprintf(name, namelen, "%s ID %x", vendor,
 509                          codec->vendor_id & 0xffff);
 510 }
 511
 512 /*
 513  * look for an AFG and MFG nodes
 514  */
 515 static void __devinit setup_fg_nodes(struct hda_codec *codec)
 516 {
 517         int i, total_nodes;
 518         hda_nid_t nid;
 519
 520         total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
 521         for (i = 0; i < total_nodes; i++, nid++) {
 522                 unsigned int func;
 523                 func = snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE);
 524                 switch (func & 0xff) {
 525                 case AC_GRP_AUDIO_FUNCTION:
 526                         codec->afg = nid;
 527                         break;
 528                 case AC_GRP_MODEM_FUNCTION:
 529                         codec->mfg = nid;
 530                         break;
 531                 default:
 532                         break;
 533                 }
 534         }
 535 }
 536
 537 /*
 538  * read widget caps for each widget and store in cache
 539  */
 540 static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
 541 {
 542         int i;
 543         hda_nid_t nid;
 544
 545         codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node,
 546                                                  &codec->start_nid);
 547         codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL);
 548         if (!codec->wcaps)
 549                 return -ENOMEM;
 550         nid = codec->start_nid;
 551         for (i = 0; i < codec->num_nodes; i++, nid++)
 552                 codec->wcaps[i] = snd_hda_param_read(codec, nid,
 553                                                      AC_PAR_AUDIO_WIDGET_CAP);
 554         return 0;
 555 }
 556
 557
 558 static void init_hda_cache(struct hda_cache_rec *cache,
 559                            unsigned int record_size);
 560 static void free_hda_cache(struct hda_cache_rec *cache);
 561
 562 /*
 563  * codec destructor
 564  */
 565 static void snd_hda_codec_free(struct hda_codec *codec)
 566 {
 567         if (!codec)
 568                 return;
 569 #ifdef CONFIG_SND_HDA_POWER_SAVE
 570         cancel_delayed_work(&codec->power_work);
 571         flush_scheduled_work();
 572 #endif
 573         list_del(&codec->list);
 574         codec->bus->caddr_tbl[codec->addr] = NULL;
 575         if (codec->patch_ops.free)
 576                 codec->patch_ops.free(codec);
 577         free_hda_cache(&codec->amp_cache);
 578         free_hda_cache(&codec->cmd_cache);
 579         kfree(codec->wcaps);
 580         kfree(codec);
 581 }
 582
 583 /**
 584  * snd_hda_codec_new - create a HDA codec
 585  * @bus: the bus to assign
 586  * @codec_addr: the codec address
 587  * @codecp: the pointer to store the generated codec
 588  *
 589  * Returns 0 if successful, or a negative error code.
 590  */
 591 int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
 592                                 struct hda_codec **codecp)
 593 {
 594         struct hda_codec *codec;
 595         char component[31];
 596         int err;
 597
 598         if (snd_BUG_ON(!bus))
 599                 return -EINVAL;
 600         if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
 601                 return -EINVAL;
 602
 603         if (bus->caddr_tbl[codec_addr]) {
 604                 snd_printk(KERN_ERR "hda_codec: "
 605                            "address 0x%x is already occupied\n", codec_addr);
 606                 return -EBUSY;
 607         }
 608
 609         codec = kzalloc(sizeof(*codec), GFP_KERNEL);
 610         if (codec == NULL) {
 611                 snd_printk(KERN_ERR "can't allocate struct hda_codec\n");
 612                 return -ENOMEM;
 613         }
 614
 615         codec->bus = bus;
 616         codec->addr = codec_addr;
 617         mutex_init(&codec->spdif_mutex);
 618         init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
 619         init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
 620
 621 #ifdef CONFIG_SND_HDA_POWER_SAVE
 622         INIT_DELAYED_WORK(&codec->power_work, hda_power_work);
 623         /* snd_hda_codec_new() marks the codec as power-up, and leave it as is.
 624          * the caller has to power down appropriatley after initialization
 625          * phase.
 626          */
 627         hda_keep_power_on(codec);
 628 #endif
 629
 630         list_add_tail(&codec->list, &bus->codec_list);
 631         bus->caddr_tbl[codec_addr] = codec;
 632
 633         codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 634                                               AC_PAR_VENDOR_ID);
 635         if (codec->vendor_id == -1)
 636                 /* read again, hopefully the access method was corrected
 637                  * in the last read...
 638                  */
 639                 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 640                                                       AC_PAR_VENDOR_ID);
 641         codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 642                                                  AC_PAR_SUBSYSTEM_ID);
 643         codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 644                                                 AC_PAR_REV_ID);
 645
 646         setup_fg_nodes(codec);
 647         if (!codec->afg && !codec->mfg) {
 648                 snd_printdd("hda_codec: no AFG or MFG node found\n");
 649                 snd_hda_codec_free(codec);
 650                 return -ENODEV;
 651         }
 652
 653         if (read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg) < 0) {
 654                 snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
 655                 snd_hda_codec_free(codec);
 656                 return -ENOMEM;
 657         }
 658
 659         if (!codec->subsystem_id) {
 660                 hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
 661                 codec->subsystem_id =
 662                         snd_hda_codec_read(codec, nid, 0,
 663                                            AC_VERB_GET_SUBSYSTEM_ID, 0);
 664         }
 665
 666         codec->preset = find_codec_preset(codec);
 667         /* audio codec should override the mixer name */
 668         if (codec->afg || !*bus->card->mixername)
 669                 snd_hda_get_codec_name(codec, bus->card->mixername,
 670                                        sizeof(bus->card->mixername));
 671
 672         if (is_generic_config(codec)) {
 673                 err = snd_hda_parse_generic_codec(codec);
 674                 goto patched;
 675         }
 676         if (codec->preset && codec->preset->patch) {
 677                 err = codec->preset->patch(codec);
 678                 goto patched;
 679         }
 680
 681         /* call the default parser */
 682         err = snd_hda_parse_generic_codec(codec);
 683         if (err < 0)
 684                 printk(KERN_ERR "hda-codec: No codec parser is available\n");
 685
 686  patched:
 687         if (err < 0) {
 688                 snd_hda_codec_free(codec);
 689                 return err;
 690         }
 691
 692         if (codec->patch_ops.unsol_event)
 693                 init_unsol_queue(bus);
 694
 695         snd_hda_codec_proc_new(codec);
 696 #ifdef CONFIG_SND_HDA_HWDEP
 697         snd_hda_create_hwdep(codec);
 698 #endif
 699
 700         sprintf(component, "HDA:%08x,%08x,%08x", codec->vendor_id, codec->subsystem_id, codec->revision_id);
 701         snd_component_add(codec->bus->card, component);
 702
 703         if (codecp)
 704                 *codecp = codec;
 705         return 0;
 706 }
 707
 708 /**
 709  * snd_hda_codec_setup_stream - set up the codec for streaming
 710  * @codec: the CODEC to set up
 711  * @nid: the NID to set up
 712  * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
 713  * @channel_id: channel id to pass, zero based.
 714  * @format: stream format.
 715  */
 716 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
 717                                 u32 stream_tag,
 718                                 int channel_id, int format)
 719 {
 720         if (!nid)
 721                 return;
 722
 723         snd_printdd("hda_codec_setup_stream: "
 724                     "NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
 725                     nid, stream_tag, channel_id, format);
 726         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID,
 727                             (stream_tag << 4) | channel_id);
 728         msleep(1);
 729         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
 730 }
 731
 732 void snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid)
 733 {
 734         if (!nid)
 735                 return;
 736
 737         snd_printdd("hda_codec_cleanup_stream: NID=0x%x\n", nid);
 738         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
 739 #if 0 /* keep the format */
 740         msleep(1);
 741         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0);
 742 #endif
 743 }
 744
 745 /*
 746  * amp access functions
 747  */
 748
 749 /* FIXME: more better hash key? */
 750 #define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
 751 #define INFO_AMP_CAPS   (1<<0)
 752 #define INFO_AMP_VOL(ch)        (1 << (1 + (ch)))
 753
 754 /* initialize the hash table */
 755 static void __devinit init_hda_cache(struct hda_cache_rec *cache,
 756                                      unsigned int record_size)
 757 {
 758         memset(cache, 0, sizeof(*cache));
 759         memset(cache->hash, 0xff, sizeof(cache->hash));
 760         cache->record_size = record_size;
 761 }
 762
 763 static void free_hda_cache(struct hda_cache_rec *cache)
 764 {
 765         kfree(cache->buffer);
 766 }
 767
 768 /* query the hash.  allocate an entry if not found. */
 769 static struct hda_cache_head  *get_alloc_hash(struct hda_cache_rec *cache,
 770                                               u32 key)
 771 {
 772         u16 idx = key % (u16)ARRAY_SIZE(cache->hash);
 773         u16 cur = cache->hash[idx];
 774         struct hda_cache_head *info;
 775
 776         while (cur != 0xffff) {
 777                 info = (struct hda_cache_head *)(cache->buffer +
 778                                                  cur * cache->record_size);
 779                 if (info->key == key)
 780                         return info;
 781                 cur = info->next;
 782         }
 783
 784         /* add a new hash entry */
 785         if (cache->num_entries >= cache->size) {
 786                 /* reallocate the array */
 787                 unsigned int new_size = cache->size + 64;
 788                 void *new_buffer;
 789                 new_buffer = kcalloc(new_size, cache->record_size, GFP_KERNEL);
 790                 if (!new_buffer) {
 791                         snd_printk(KERN_ERR "hda_codec: "
 792                                    "can't malloc amp_info\n");
 793                         return NULL;
 794                 }
 795                 if (cache->buffer) {
 796                         memcpy(new_buffer, cache->buffer,
 797                                cache->size * cache->record_size);
 798                         kfree(cache->buffer);
 799                 }
 800                 cache->size = new_size;
 801                 cache->buffer = new_buffer;
 802         }
 803         cur = cache->num_entries++;
 804         info = (struct hda_cache_head *)(cache->buffer +
 805                                          cur * cache->record_size);
 806         info->key = key;
 807         info->val = 0;
 808         info->next = cache->hash[idx];
 809         cache->hash[idx] = cur;
 810
 811         return info;
 812 }
 813
 814 /* query and allocate an amp hash entry */
 815 static inline struct hda_amp_info *
 816 get_alloc_amp_hash(struct hda_codec *codec, u32 key)
 817 {
 818         return (struct hda_amp_info *)get_alloc_hash(&codec->amp_cache, key);
 819 }
 820
 821 /*
 822  * query AMP capabilities for the given widget and direction
 823  */
 824 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
 825 {
 826         struct hda_amp_info *info;
 827
 828         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0));
 829         if (!info)
 830                 return 0;
 831         if (!(info->head.val & INFO_AMP_CAPS)) {
 832                 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
 833                         nid = codec->afg;
 834                 info->amp_caps = snd_hda_param_read(codec, nid,
 835                                                     direction == HDA_OUTPUT ?
 836                                                     AC_PAR_AMP_OUT_CAP :
 837                                                     AC_PAR_AMP_IN_CAP);
 838                 if (info->amp_caps)
 839                         info->head.val |= INFO_AMP_CAPS;
 840         }
 841         return info->amp_caps;
 842 }
 843
 844 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
 845                               unsigned int caps)
 846 {
 847         struct hda_amp_info *info;
 848
 849         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, dir, 0));
 850         if (!info)
 851                 return -EINVAL;
 852         info->amp_caps = caps;
 853         info->head.val |= INFO_AMP_CAPS;
 854         return 0;
 855 }
 856
 857 /*
 858  * read the current volume to info
 859  * if the cache exists, read the cache value.
 860  */
 861 static unsigned int get_vol_mute(struct hda_codec *codec,
 862                                  struct hda_amp_info *info, hda_nid_t nid,
 863                                  int ch, int direction, int index)
 864 {
 865         u32 val, parm;
 866
 867         if (info->head.val & INFO_AMP_VOL(ch))
 868                 return info->vol[ch];
 869
 870         parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
 871         parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
 872         parm |= index;
 873         val = snd_hda_codec_read(codec, nid, 0,
 874                                  AC_VERB_GET_AMP_GAIN_MUTE, parm);
 875         info->vol[ch] = val & 0xff;
 876         info->head.val |= INFO_AMP_VOL(ch);
 877         return info->vol[ch];
 878 }
 879
 880 /*
 881  * write the current volume in info to the h/w and update the cache
 882  */
 883 static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
 884                          hda_nid_t nid, int ch, int direction, int index,
 885                          int val)
 886 {
 887         u32 parm;
 888
 889         parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
 890         parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
 891         parm |= index << AC_AMP_SET_INDEX_SHIFT;
 892         parm |= val;
 893         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
 894         info->vol[ch] = val;
 895 }
 896
 897 /*
 898  * read AMP value.  The volume is between 0 to 0x7f, 0x80 = mute bit.
 899  */
 900 int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
 901                            int direction, int index)
 902 {
 903         struct hda_amp_info *info;
 904         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
 905         if (!info)
 906                 return 0;
 907         return get_vol_mute(codec, info, nid, ch, direction, index);
 908 }
 909
 910 /*
 911  * update the AMP value, mask = bit mask to set, val = the value
 912  */
 913 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
 914                              int direction, int idx, int mask, int val)
 915 {
 916         struct hda_amp_info *info;
 917
 918         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx));
 919         if (!info)
 920                 return 0;
 921         val &= mask;
 922         val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask;
 923         if (info->vol[ch] == val)
 924                 return 0;
 925         put_vol_mute(codec, info, nid, ch, direction, idx, val);
 926         return 1;
 927 }
 928
 929 /*
 930  * update the AMP stereo with the same mask and value
 931  */
 932 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
 933                              int direction, int idx, int mask, int val)
 934 {
 935         int ch, ret = 0;
 936         for (ch = 0; ch < 2; ch++)
 937                 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
 938                                                 idx, mask, val);
 939         return ret;
 940 }
 941
 942 #ifdef SND_HDA_NEEDS_RESUME
 943 /* resume the all amp commands from the cache */
 944 void snd_hda_codec_resume_amp(struct hda_codec *codec)
 945 {
 946         struct hda_amp_info *buffer = codec->amp_cache.buffer;
 947         int i;
 948
 949         for (i = 0; i < codec->amp_cache.size; i++, buffer++) {
 950                 u32 key = buffer->head.key;
 951                 hda_nid_t nid;
 952                 unsigned int idx, dir, ch;
 953                 if (!key)
 954                         continue;
 955                 nid = key & 0xff;
 956                 idx = (key >> 16) & 0xff;
 957                 dir = (key >> 24) & 0xff;
 958                 for (ch = 0; ch < 2; ch++) {
 959                         if (!(buffer->head.val & INFO_AMP_VOL(ch)))
 960                                 continue;
 961                         put_vol_mute(codec, buffer, nid, ch, dir, idx,
 962                                      buffer->vol[ch]);
 963                 }
 964         }
 965 }
 966 #endif /* SND_HDA_NEEDS_RESUME */
 967
 968 /* volume */
 969 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
 970                                   struct snd_ctl_elem_info *uinfo)
 971 {
 972         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 973         u16 nid = get_amp_nid(kcontrol);
 974         u8 chs = get_amp_channels(kcontrol);
 975         int dir = get_amp_direction(kcontrol);
 976         u32 caps;
 977
 978         caps = query_amp_caps(codec, nid, dir);
 979         /* num steps */
 980         caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
 981         if (!caps) {
 982                 printk(KERN_WARNING "hda_codec: "
 983                        "num_steps = 0 for NID=0x%x (ctl = %s)\n", nid,
 984                        kcontrol->id.name);
 985                 return -EINVAL;
 986         }
 987         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 988         uinfo->count = chs == 3 ? 2 : 1;
 989         uinfo->value.integer.min = 0;
 990         uinfo->value.integer.max = caps;
 991         return 0;
 992 }
 993
 994 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
 995                                  struct snd_ctl_elem_value *ucontrol)
 996 {
 997         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 998         hda_nid_t nid = get_amp_nid(kcontrol);
 999         int chs = get_amp_channels(kcontrol);
1000         int dir = get_amp_direction(kcontrol);
1001         int idx = get_amp_index(kcontrol);
1002         long *valp = ucontrol->value.integer.value;
1003
1004         if (chs & 1)
1005                 *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx)
1006                         & HDA_AMP_VOLMASK;
1007         if (chs & 2)
1008                 *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx)
1009                         & HDA_AMP_VOLMASK;
1010         return 0;
1011 }
1012
1013 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1014                                  struct snd_ctl_elem_value *ucontrol)
1015 {
1016         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1017         hda_nid_t nid = get_amp_nid(kcontrol);
1018         int chs = get_amp_channels(kcontrol);
1019         int dir = get_amp_direction(kcontrol);
1020         int idx = get_amp_index(kcontrol);
1021         long *valp = ucontrol->value.integer.value;
1022         int change = 0;
1023
1024         snd_hda_power_up(codec);
1025         if (chs & 1) {
1026                 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
1027                                                   0x7f, *valp);
1028                 valp++;
1029         }
1030         if (chs & 2)
1031                 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
1032                                                    0x7f, *valp);
1033         snd_hda_power_down(codec);
1034         return change;
1035 }
1036
1037 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1038                           unsigned int size, unsigned int __user *_tlv)
1039 {
1040         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1041         hda_nid_t nid = get_amp_nid(kcontrol);
1042         int dir = get_amp_direction(kcontrol);
1043         u32 caps, val1, val2;
1044
1045         if (size < 4 * sizeof(unsigned int))
1046                 return -ENOMEM;
1047         caps = query_amp_caps(codec, nid, dir);
1048         val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1049         val2 = (val2 + 1) * 25;
1050         val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1051         val1 = ((int)val1) * ((int)val2);
1052         if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
1053                 return -EFAULT;
1054         if (put_user(2 * sizeof(unsigned int), _tlv + 1))
1055                 return -EFAULT;
1056         if (put_user(val1, _tlv + 2))
1057                 return -EFAULT;
1058         if (put_user(val2, _tlv + 3))
1059                 return -EFAULT;
1060         return 0;
1061 }
1062
1063 /*
1064  * set (static) TLV for virtual master volume; recalculated as max 0dB
1065  */
1066 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1067                              unsigned int *tlv)
1068 {
1069         u32 caps;
1070         int nums, step;
1071
1072         caps = query_amp_caps(codec, nid, dir);
1073         nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1074         step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1075         step = (step + 1) * 25;
1076         tlv[0] = SNDRV_CTL_TLVT_DB_SCALE;
1077         tlv[1] = 2 * sizeof(unsigned int);
1078         tlv[2] = -nums * step;
1079         tlv[3] = step;
1080 }
1081
1082 /* find a mixer control element with the given name */
1083 static struct snd_kcontrol *
1084 _snd_hda_find_mixer_ctl(struct hda_codec *codec,
1085                         const char *name, int idx)
1086 {
1087         struct snd_ctl_elem_id id;
1088         memset(&id, 0, sizeof(id));
1089         id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1090         id.index = idx;
1091         strcpy(id.name, name);
1092         return snd_ctl_find_id(codec->bus->card, &id);
1093 }
1094
1095 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1096                                             const char *name)
1097 {
1098         return _snd_hda_find_mixer_ctl(codec, name, 0);
1099 }
1100
1101 /* create a virtual master control and add slaves */
1102 int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
1103                         unsigned int *tlv, const char **slaves)
1104 {
1105         struct snd_kcontrol *kctl;
1106         const char **s;
1107         int err;
1108
1109         for (s = slaves; *s && !snd_hda_find_mixer_ctl(codec, *s); s++)
1110                 ;
1111         if (!*s) {
1112                 snd_printdd("No slave found for %s\n", name);
1113                 return 0;
1114         }
1115         kctl = snd_ctl_make_virtual_master(name, tlv);
1116         if (!kctl)
1117                 return -ENOMEM;
1118         err = snd_ctl_add(codec->bus->card, kctl);
1119         if (err < 0)
1120                 return err;
1121
1122         for (s = slaves; *s; s++) {
1123                 struct snd_kcontrol *sctl;
1124
1125                 sctl = snd_hda_find_mixer_ctl(codec, *s);
1126                 if (!sctl) {
1127                         snd_printdd("Cannot find slave %s, skipped\n", *s);
1128                         continue;
1129                 }
1130                 err = snd_ctl_add_slave(kctl, sctl);
1131                 if (err < 0)
1132                         return err;
1133         }
1134         return 0;
1135 }
1136
1137 /* switch */
1138 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
1139                                   struct snd_ctl_elem_info *uinfo)
1140 {
1141         int chs = get_amp_channels(kcontrol);
1142
1143         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1144         uinfo->count = chs == 3 ? 2 : 1;
1145         uinfo->value.integer.min = 0;
1146         uinfo->value.integer.max = 1;
1147         return 0;
1148 }
1149
1150 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
1151                                  struct snd_ctl_elem_value *ucontrol)
1152 {
1153         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1154         hda_nid_t nid = get_amp_nid(kcontrol);
1155         int chs = get_amp_channels(kcontrol);
1156         int dir = get_amp_direction(kcontrol);
1157         int idx = get_amp_index(kcontrol);
1158         long *valp = ucontrol->value.integer.value;
1159
1160         if (chs & 1)
1161                 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
1162                            HDA_AMP_MUTE) ? 0 : 1;
1163         if (chs & 2)
1164                 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
1165                          HDA_AMP_MUTE) ? 0 : 1;
1166         return 0;
1167 }
1168
1169 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
1170                                  struct snd_ctl_elem_value *ucontrol)
1171 {
1172         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1173         hda_nid_t nid = get_amp_nid(kcontrol);
1174         int chs = get_amp_channels(kcontrol);
1175         int dir = get_amp_direction(kcontrol);
1176         int idx = get_amp_index(kcontrol);
1177         long *valp = ucontrol->value.integer.value;
1178         int change = 0;
1179
1180         snd_hda_power_up(codec);
1181         if (chs & 1) {
1182                 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
1183                                                   HDA_AMP_MUTE,
1184                                                   *valp ? 0 : HDA_AMP_MUTE);
1185                 valp++;
1186         }
1187         if (chs & 2)
1188                 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
1189                                                    HDA_AMP_MUTE,
1190                                                    *valp ? 0 : HDA_AMP_MUTE);
1191 #ifdef CONFIG_SND_HDA_POWER_SAVE
1192         if (codec->patch_ops.check_power_status)
1193                 codec->patch_ops.check_power_status(codec, nid);
1194 #endif
1195         snd_hda_power_down(codec);
1196         return change;
1197 }
1198
1199 /*
1200  * bound volume controls
1201  *
1202  * bind multiple volumes (# indices, from 0)
1203  */
1204
1205 #define AMP_VAL_IDX_SHIFT       19
1206 #define AMP_VAL_IDX_MASK        (0x0f<<19)
1207
1208 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
1209                                   struct snd_ctl_elem_value *ucontrol)
1210 {
1211         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1212         unsigned long pval;
1213         int err;
1214
1215         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1216         pval = kcontrol->private_value;
1217         kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
1218         err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
1219         kcontrol->private_value = pval;
1220         mutex_unlock(&codec->spdif_mutex);
1221         return err;
1222 }
1223
1224 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
1225                                   struct snd_ctl_elem_value *ucontrol)
1226 {
1227         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1228         unsigned long pval;
1229         int i, indices, err = 0, change = 0;
1230
1231         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1232         pval = kcontrol->private_value;
1233         indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
1234         for (i = 0; i < indices; i++) {
1235                 kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) |
1236                         (i << AMP_VAL_IDX_SHIFT);
1237                 err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
1238                 if (err < 0)
1239                         break;
1240                 change |= err;
1241         }
1242         kcontrol->private_value = pval;
1243         mutex_unlock(&codec->spdif_mutex);
1244         return err < 0 ? err : change;
1245 }
1246
1247 /*
1248  * generic bound volume/swtich controls
1249  */
1250 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
1251                                  struct snd_ctl_elem_info *uinfo)
1252 {
1253         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1254         struct hda_bind_ctls *c;
1255         int err;
1256
1257         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1258         c = (struct hda_bind_ctls *)kcontrol->private_value;
1259         kcontrol->private_value = *c->values;
1260         err = c->ops->info(kcontrol, uinfo);
1261         kcontrol->private_value = (long)c;
1262         mutex_unlock(&codec->spdif_mutex);
1263         return err;
1264 }
1265
1266 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
1267                                 struct snd_ctl_elem_value *ucontrol)
1268 {
1269         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1270         struct hda_bind_ctls *c;
1271         int err;
1272
1273         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1274         c = (struct hda_bind_ctls *)kcontrol->private_value;
1275         kcontrol->private_value = *c->values;
1276         err = c->ops->get(kcontrol, ucontrol);
1277         kcontrol->private_value = (long)c;
1278         mutex_unlock(&codec->spdif_mutex);
1279         return err;
1280 }
1281
1282 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
1283                                 struct snd_ctl_elem_value *ucontrol)
1284 {
1285         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1286         struct hda_bind_ctls *c;
1287         unsigned long *vals;
1288         int err = 0, change = 0;
1289
1290         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1291         c = (struct hda_bind_ctls *)kcontrol->private_value;
1292         for (vals = c->values; *vals; vals++) {
1293                 kcontrol->private_value = *vals;
1294                 err = c->ops->put(kcontrol, ucontrol);
1295                 if (err < 0)
1296                         break;
1297                 change |= err;
1298         }
1299         kcontrol->private_value = (long)c;
1300         mutex_unlock(&codec->spdif_mutex);
1301         return err < 0 ? err : change;
1302 }
1303
1304 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1305                            unsigned int size, unsigned int __user *tlv)
1306 {
1307         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1308         struct hda_bind_ctls *c;
1309         int err;
1310
1311         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1312         c = (struct hda_bind_ctls *)kcontrol->private_value;
1313         kcontrol->private_value = *c->values;
1314         err = c->ops->tlv(kcontrol, op_flag, size, tlv);
1315         kcontrol->private_value = (long)c;
1316         mutex_unlock(&codec->spdif_mutex);
1317         return err;
1318 }
1319
1320 struct hda_ctl_ops snd_hda_bind_vol = {
1321         .info = snd_hda_mixer_amp_volume_info,
1322         .get = snd_hda_mixer_amp_volume_get,
1323         .put = snd_hda_mixer_amp_volume_put,
1324         .tlv = snd_hda_mixer_amp_tlv
1325 };
1326
1327 struct hda_ctl_ops snd_hda_bind_sw = {
1328         .info = snd_hda_mixer_amp_switch_info,
1329         .get = snd_hda_mixer_amp_switch_get,
1330         .put = snd_hda_mixer_amp_switch_put,
1331         .tlv = snd_hda_mixer_amp_tlv
1332 };
1333
1334 /*
1335  * SPDIF out controls
1336  */
1337
1338 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
1339                                    struct snd_ctl_elem_info *uinfo)
1340 {
1341         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1342         uinfo->count = 1;
1343         return 0;
1344 }
1345
1346 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
1347                                    struct snd_ctl_elem_value *ucontrol)
1348 {
1349         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1350                                            IEC958_AES0_NONAUDIO |
1351                                            IEC958_AES0_CON_EMPHASIS_5015 |
1352                                            IEC958_AES0_CON_NOT_COPYRIGHT;
1353         ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
1354                                            IEC958_AES1_CON_ORIGINAL;
1355         return 0;
1356 }
1357
1358 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
1359                                    struct snd_ctl_elem_value *ucontrol)
1360 {
1361         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1362                                            IEC958_AES0_NONAUDIO |
1363                                            IEC958_AES0_PRO_EMPHASIS_5015;
1364         return 0;
1365 }
1366
1367 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
1368                                      struct snd_ctl_elem_value *ucontrol)
1369 {
1370         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1371
1372         ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff;
1373         ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff;
1374         ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff;
1375         ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff;
1376
1377         return 0;
1378 }
1379
1380 /* convert from SPDIF status bits to HDA SPDIF bits
1381  * bit 0 (DigEn) is always set zero (to be filled later)
1382  */
1383 static unsigned short convert_from_spdif_status(unsigned int sbits)
1384 {
1385         unsigned short val = 0;
1386
1387         if (sbits & IEC958_AES0_PROFESSIONAL)
1388                 val |= AC_DIG1_PROFESSIONAL;
1389         if (sbits & IEC958_AES0_NONAUDIO)
1390                 val |= AC_DIG1_NONAUDIO;
1391         if (sbits & IEC958_AES0_PROFESSIONAL) {
1392                 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
1393                     IEC958_AES0_PRO_EMPHASIS_5015)
1394                         val |= AC_DIG1_EMPHASIS;
1395         } else {
1396                 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
1397                     IEC958_AES0_CON_EMPHASIS_5015)
1398                         val |= AC_DIG1_EMPHASIS;
1399                 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
1400                         val |= AC_DIG1_COPYRIGHT;
1401                 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
1402                         val |= AC_DIG1_LEVEL;
1403                 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
1404         }
1405         return val;
1406 }
1407
1408 /* convert to SPDIF status bits from HDA SPDIF bits
1409  */
1410 static unsigned int convert_to_spdif_status(unsigned short val)
1411 {
1412         unsigned int sbits = 0;
1413
1414         if (val & AC_DIG1_NONAUDIO)
1415                 sbits |= IEC958_AES0_NONAUDIO;
1416         if (val & AC_DIG1_PROFESSIONAL)
1417                 sbits |= IEC958_AES0_PROFESSIONAL;
1418         if (sbits & IEC958_AES0_PROFESSIONAL) {
1419                 if (sbits & AC_DIG1_EMPHASIS)
1420                         sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
1421         } else {
1422                 if (val & AC_DIG1_EMPHASIS)
1423                         sbits |= IEC958_AES0_CON_EMPHASIS_5015;
1424                 if (!(val & AC_DIG1_COPYRIGHT))
1425                         sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
1426                 if (val & AC_DIG1_LEVEL)
1427                         sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
1428                 sbits |= val & (0x7f << 8);
1429         }
1430         return sbits;
1431 }
1432
1433 /* set digital convert verbs both for the given NID and its slaves */
1434 static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
1435                         int verb, int val)
1436 {
1437         hda_nid_t *d;
1438
1439         snd_hda_codec_write(codec, nid, 0, verb, val);
1440         d = codec->slave_dig_outs;
1441         if (!d)
1442                 return;
1443         for (; *d; d++)
1444                 snd_hda_codec_write(codec, *d, 0, verb, val);
1445 }
1446
1447 static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
1448                                        int dig1, int dig2)
1449 {
1450         if (dig1 != -1)
1451                 set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_1, dig1);
1452         if (dig2 != -1)
1453                 set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_2, dig2);
1454 }
1455
1456 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
1457                                      struct snd_ctl_elem_value *ucontrol)
1458 {
1459         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1460         hda_nid_t nid = kcontrol->private_value;
1461         unsigned short val;
1462         int change;
1463
1464         mutex_lock(&codec->spdif_mutex);
1465         codec->spdif_status = ucontrol->value.iec958.status[0] |
1466                 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
1467                 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
1468                 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
1469         val = convert_from_spdif_status(codec->spdif_status);
1470         val |= codec->spdif_ctls & 1;
1471         change = codec->spdif_ctls != val;
1472         codec->spdif_ctls = val;
1473
1474         if (change)
1475                 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
1476
1477         mutex_unlock(&codec->spdif_mutex);
1478         return change;
1479 }
1480
1481 #define snd_hda_spdif_out_switch_info   snd_ctl_boolean_mono_info
1482
1483 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
1484                                         struct snd_ctl_elem_value *ucontrol)
1485 {
1486         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1487
1488         ucontrol->value.integer.value[0] = codec->spdif_ctls & AC_DIG1_ENABLE;
1489         return 0;
1490 }
1491
1492 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
1493                                         struct snd_ctl_elem_value *ucontrol)
1494 {
1495         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1496         hda_nid_t nid = kcontrol->private_value;
1497         unsigned short val;
1498         int change;
1499
1500         mutex_lock(&codec->spdif_mutex);
1501         val = codec->spdif_ctls & ~AC_DIG1_ENABLE;
1502         if (ucontrol->value.integer.value[0])
1503                 val |= AC_DIG1_ENABLE;
1504         change = codec->spdif_ctls != val;
1505         if (change) {
1506                 codec->spdif_ctls = val;
1507                 set_dig_out_convert(codec, nid, val & 0xff, -1);
1508                 /* unmute amp switch (if any) */
1509                 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
1510                     (val & AC_DIG1_ENABLE))
1511                         snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
1512                                                  HDA_AMP_MUTE, 0);
1513         }
1514         mutex_unlock(&codec->spdif_mutex);
1515         return change;
1516 }
1517
1518 static struct snd_kcontrol_new dig_mixes[] = {
1519         {
1520                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1521                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1522                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1523                 .info = snd_hda_spdif_mask_info,
1524                 .get = snd_hda_spdif_cmask_get,
1525         },
1526         {
1527                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1528                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1529                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1530                 .info = snd_hda_spdif_mask_info,
1531                 .get = snd_hda_spdif_pmask_get,
1532         },
1533         {
1534                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1535                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1536                 .info = snd_hda_spdif_mask_info,
1537                 .get = snd_hda_spdif_default_get,
1538                 .put = snd_hda_spdif_default_put,
1539         },
1540         {
1541                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1542                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1543                 .info = snd_hda_spdif_out_switch_info,
1544                 .get = snd_hda_spdif_out_switch_get,
1545                 .put = snd_hda_spdif_out_switch_put,
1546         },
1547         { } /* end */
1548 };
1549
1550 #define SPDIF_MAX_IDX   4       /* 4 instances should be enough to probe */
1551
1552 /**
1553  * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1554  * @codec: the HDA codec
1555  * @nid: audio out widget NID
1556  *
1557  * Creates controls related with the SPDIF output.
1558  * Called from each patch supporting the SPDIF out.
1559  *
1560  * Returns 0 if successful, or a negative error code.
1561  */
1562 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid)
1563 {
1564         int err;
1565         struct snd_kcontrol *kctl;
1566         struct snd_kcontrol_new *dig_mix;
1567         int idx;
1568
1569         for (idx = 0; idx < SPDIF_MAX_IDX; idx++) {
1570                 if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Playback Switch",
1571                                              idx))
1572                         break;
1573         }
1574         if (idx >= SPDIF_MAX_IDX) {
1575                 printk(KERN_ERR "hda_codec: too many IEC958 outputs\n");
1576                 return -EBUSY;
1577         }
1578         for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
1579                 kctl = snd_ctl_new1(dig_mix, codec);
1580                 kctl->id.index = idx;
1581                 kctl->private_value = nid;
1582                 err = snd_ctl_add(codec->bus->card, kctl);
1583                 if (err < 0)
1584                         return err;
1585         }
1586         codec->spdif_ctls =
1587                 snd_hda_codec_read(codec, nid, 0,
1588                                    AC_VERB_GET_DIGI_CONVERT_1, 0);
1589         codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
1590         return 0;
1591 }
1592
1593 /*
1594  * SPDIF sharing with analog output
1595  */
1596 static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
1597                               struct snd_ctl_elem_value *ucontrol)
1598 {
1599         struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
1600         ucontrol->value.integer.value[0] = mout->share_spdif;
1601         return 0;
1602 }
1603
1604 static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
1605                               struct snd_ctl_elem_value *ucontrol)
1606 {
1607         struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
1608         mout->share_spdif = !!ucontrol->value.integer.value[0];
1609         return 0;
1610 }
1611
1612 static struct snd_kcontrol_new spdif_share_sw = {
1613         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1614         .name = "IEC958 Default PCM Playback Switch",
1615         .info = snd_ctl_boolean_mono_info,
1616         .get = spdif_share_sw_get,
1617         .put = spdif_share_sw_put,
1618 };
1619
1620 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
1621                                   struct hda_multi_out *mout)
1622 {
1623         if (!mout->dig_out_nid)
1624                 return 0;
1625         /* ATTENTION: here mout is passed as private_data, instead of codec */
1626         return snd_ctl_add(codec->bus->card,
1627                            snd_ctl_new1(&spdif_share_sw, mout));
1628 }
1629
1630 /*
1631  * SPDIF input
1632  */
1633
1634 #define snd_hda_spdif_in_switch_info    snd_hda_spdif_out_switch_info
1635
1636 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
1637                                        struct snd_ctl_elem_value *ucontrol)
1638 {
1639         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1640
1641         ucontrol->value.integer.value[0] = codec->spdif_in_enable;
1642         return 0;
1643 }
1644
1645 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
1646                                        struct snd_ctl_elem_value *ucontrol)
1647 {
1648         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1649         hda_nid_t nid = kcontrol->private_value;
1650         unsigned int val = !!ucontrol->value.integer.value[0];
1651         int change;
1652
1653         mutex_lock(&codec->spdif_mutex);
1654         change = codec->spdif_in_enable != val;
1655         if (change) {
1656                 codec->spdif_in_enable = val;
1657                 snd_hda_codec_write_cache(codec, nid, 0,
1658                                           AC_VERB_SET_DIGI_CONVERT_1, val);
1659         }
1660         mutex_unlock(&codec->spdif_mutex);
1661         return change;
1662 }
1663
1664 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
1665                                        struct snd_ctl_elem_value *ucontrol)
1666 {
1667         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1668         hda_nid_t nid = kcontrol->private_value;
1669         unsigned short val;
1670         unsigned int sbits;
1671
1672         val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT_1, 0);
1673         sbits = convert_to_spdif_status(val);
1674         ucontrol->value.iec958.status[0] = sbits;
1675         ucontrol->value.iec958.status[1] = sbits >> 8;
1676         ucontrol->value.iec958.status[2] = sbits >> 16;
1677         ucontrol->value.iec958.status[3] = sbits >> 24;
1678         return 0;
1679 }
1680
1681 static struct snd_kcontrol_new dig_in_ctls[] = {
1682         {
1683                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1684                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
1685                 .info = snd_hda_spdif_in_switch_info,
1686                 .get = snd_hda_spdif_in_switch_get,
1687                 .put = snd_hda_spdif_in_switch_put,
1688         },
1689         {
1690                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1691                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1692                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1693                 .info = snd_hda_spdif_mask_info,
1694                 .get = snd_hda_spdif_in_status_get,
1695         },
1696         { } /* end */
1697 };
1698
1699 /**
1700  * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1701  * @codec: the HDA codec
1702  * @nid: audio in widget NID
1703  *
1704  * Creates controls related with the SPDIF input.
1705  * Called from each patch supporting the SPDIF in.
1706  *
1707  * Returns 0 if successful, or a negative error code.
1708  */
1709 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
1710 {
1711         int err;
1712         struct snd_kcontrol *kctl;
1713         struct snd_kcontrol_new *dig_mix;
1714         int idx;
1715
1716         for (idx = 0; idx < SPDIF_MAX_IDX; idx++) {
1717                 if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Capture Switch",
1718                                              idx))
1719                         break;
1720         }
1721         if (idx >= SPDIF_MAX_IDX) {
1722                 printk(KERN_ERR "hda_codec: too many IEC958 inputs\n");
1723                 return -EBUSY;
1724         }
1725         for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
1726                 kctl = snd_ctl_new1(dig_mix, codec);
1727                 kctl->private_value = nid;
1728                 err = snd_ctl_add(codec->bus->card, kctl);
1729                 if (err < 0)
1730                         return err;
1731         }
1732         codec->spdif_in_enable =
1733                 snd_hda_codec_read(codec, nid, 0,
1734                                    AC_VERB_GET_DIGI_CONVERT_1, 0) &
1735                 AC_DIG1_ENABLE;
1736         return 0;
1737 }
1738
1739 #ifdef SND_HDA_NEEDS_RESUME
1740 /*
1741  * command cache
1742  */
1743
1744 /* build a 32bit cache key with the widget id and the command parameter */
1745 #define build_cmd_cache_key(nid, verb)  ((verb << 8) | nid)
1746 #define get_cmd_cache_nid(key)          ((key) & 0xff)
1747 #define get_cmd_cache_cmd(key)          (((key) >> 8) & 0xffff)
1748
1749 /**
1750  * snd_hda_codec_write_cache - send a single command with caching
1751  * @codec: the HDA codec
1752  * @nid: NID to send the command
1753  * @direct: direct flag
1754  * @verb: the verb to send
1755  * @parm: the parameter for the verb
1756  *
1757  * Send a single command without waiting for response.
1758  *
1759  * Returns 0 if successful, or a negative error code.
1760  */
1761 int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
1762                               int direct, unsigned int verb, unsigned int parm)
1763 {
1764         int err;
1765         snd_hda_power_up(codec);
1766         mutex_lock(&codec->bus->cmd_mutex);
1767         err = codec->bus->ops.command(codec, nid, direct, verb, parm);
1768         if (!err) {
1769                 struct hda_cache_head *c;
1770                 u32 key = build_cmd_cache_key(nid, verb);
1771                 c = get_alloc_hash(&codec->cmd_cache, key);
1772                 if (c)
1773                         c->val = parm;
1774         }
1775         mutex_unlock(&codec->bus->cmd_mutex);
1776         snd_hda_power_down(codec);
1777         return err;
1778 }
1779
1780 /* resume the all commands from the cache */
1781 void snd_hda_codec_resume_cache(struct hda_codec *codec)
1782 {
1783         struct hda_cache_head *buffer = codec->cmd_cache.buffer;
1784         int i;
1785
1786         for (i = 0; i < codec->cmd_cache.size; i++, buffer++) {
1787                 u32 key = buffer->key;
1788                 if (!key)
1789                         continue;
1790                 snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0,
1791                                     get_cmd_cache_cmd(key), buffer->val);
1792         }
1793 }
1794
1795 /**
1796  * snd_hda_sequence_write_cache - sequence writes with caching
1797  * @codec: the HDA codec
1798  * @seq: VERB array to send
1799  *
1800  * Send the commands sequentially from the given array.
1801  * Thte commands are recorded on cache for power-save and resume.
1802  * The array must be terminated with NID=0.
1803  */
1804 void snd_hda_sequence_write_cache(struct hda_codec *codec,
1805                                   const struct hda_verb *seq)
1806 {
1807         for (; seq->nid; seq++)
1808                 snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb,
1809                                           seq->param);
1810 }
1811 #endif /* SND_HDA_NEEDS_RESUME */
1812
1813 /*
1814  * set power state of the codec
1815  */
1816 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
1817                                 unsigned int power_state)
1818 {
1819         hda_nid_t nid;
1820         int i;
1821
1822         snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE,
1823                             power_state);
1824         msleep(10); /* partial workaround for "azx_get_response timeout" */
1825
1826         nid = codec->start_nid;
1827         for (i = 0; i < codec->num_nodes; i++, nid++) {
1828                 unsigned int wcaps = get_wcaps(codec, nid);
1829                 if (wcaps & AC_WCAP_POWER) {
1830                         unsigned int wid_type = (wcaps & AC_WCAP_TYPE) >>
1831                                 AC_WCAP_TYPE_SHIFT;
1832                         if (wid_type == AC_WID_PIN) {
1833                                 unsigned int pincap;
1834                                 /*
1835                                  * don't power down the widget if it controls
1836                                  * eapd and EAPD_BTLENABLE is set.
1837                                  */
1838                                 pincap = snd_hda_param_read(codec, nid,
1839                                                             AC_PAR_PIN_CAP);
1840                                 if (pincap & AC_PINCAP_EAPD) {
1841                                         int eapd = snd_hda_codec_read(codec,
1842                                                 nid, 0,
1843                                                 AC_VERB_GET_EAPD_BTLENABLE, 0);
1844                                         eapd &= 0x02;
1845                                         if (power_state == AC_PWRST_D3 && eapd)
1846                                                 continue;
1847                                 }
1848                         }
1849                         snd_hda_codec_write(codec, nid, 0,
1850                                             AC_VERB_SET_POWER_STATE,
1851                                             power_state);
1852                 }
1853         }
1854
1855         if (power_state == AC_PWRST_D0) {
1856                 unsigned long end_time;
1857                 int state;
1858                 msleep(10);
1859                 /* wait until the codec reachs to D0 */
1860                 end_time = jiffies + msecs_to_jiffies(500);
1861                 do {
1862                         state = snd_hda_codec_read(codec, fg, 0,
1863                                                    AC_VERB_GET_POWER_STATE, 0);
1864                         if (state == power_state)
1865                                 break;
1866                         msleep(1);
1867                 } while (time_after_eq(end_time, jiffies));
1868         }
1869 }
1870
1871 #ifdef SND_HDA_NEEDS_RESUME
1872 /*
1873  * call suspend and power-down; used both from PM and power-save
1874  */
1875 static void hda_call_codec_suspend(struct hda_codec *codec)
1876 {
1877         if (codec->patch_ops.suspend)
1878                 codec->patch_ops.suspend(codec, PMSG_SUSPEND);
1879         hda_set_power_state(codec,
1880                             codec->afg ? codec->afg : codec->mfg,
1881                             AC_PWRST_D3);
1882 #ifdef CONFIG_SND_HDA_POWER_SAVE
1883         cancel_delayed_work(&codec->power_work);
1884         codec->power_on = 0;
1885         codec->power_transition = 0;
1886 #endif
1887 }
1888
1889 /*
1890  * kick up codec; used both from PM and power-save
1891  */
1892 static void hda_call_codec_resume(struct hda_codec *codec)
1893 {
1894         hda_set_power_state(codec,
1895                             codec->afg ? codec->afg : codec->mfg,
1896                             AC_PWRST_D0);
1897         if (codec->patch_ops.resume)
1898                 codec->patch_ops.resume(codec);
1899         else {
1900                 if (codec->patch_ops.init)
1901                         codec->patch_ops.init(codec);
1902                 snd_hda_codec_resume_amp(codec);
1903                 snd_hda_codec_resume_cache(codec);
1904         }
1905 }
1906 #endif /* SND_HDA_NEEDS_RESUME */
1907
1908
1909 /**
1910  * snd_hda_build_controls - build mixer controls
1911  * @bus: the BUS
1912  *
1913  * Creates mixer controls for each codec included in the bus.
1914  *
1915  * Returns 0 if successful, otherwise a negative error code.
1916  */
1917 int __devinit snd_hda_build_controls(struct hda_bus *bus)
1918 {
1919         struct hda_codec *codec;
1920
1921         list_for_each_entry(codec, &bus->codec_list, list) {
1922                 int err = 0;
1923                 /* fake as if already powered-on */
1924                 hda_keep_power_on(codec);
1925                 /* then fire up */
1926                 hda_set_power_state(codec,
1927                                     codec->afg ? codec->afg : codec->mfg,
1928                                     AC_PWRST_D0);
1929                 /* continue to initialize... */
1930                 if (codec->patch_ops.init)
1931                         err = codec->patch_ops.init(codec);
1932                 if (!err && codec->patch_ops.build_controls)
1933                         err = codec->patch_ops.build_controls(codec);
1934                 snd_hda_power_down(codec);
1935                 if (err < 0)
1936                         return err;
1937         }
1938
1939         return 0;
1940 }
1941
1942 /*
1943  * stream formats
1944  */
1945 struct hda_rate_tbl {
1946         unsigned int hz;
1947         unsigned int alsa_bits;
1948         unsigned int hda_fmt;
1949 };
1950
1951 static struct hda_rate_tbl rate_bits[] = {
1952         /* rate in Hz, ALSA rate bitmask, HDA format value */
1953
1954         /* autodetected value used in snd_hda_query_supported_pcm */
1955         { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
1956         { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
1957         { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
1958         { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
1959         { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
1960         { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
1961         { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
1962         { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
1963         { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
1964         { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
1965         { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
1966 #define AC_PAR_PCM_RATE_BITS    11
1967         /* up to bits 10, 384kHZ isn't supported properly */
1968
1969         /* not autodetected value */
1970         { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
1971
1972         { 0 } /* terminator */
1973 };
1974
1975 /**
1976  * snd_hda_calc_stream_format - calculate format bitset
1977  * @rate: the sample rate
1978  * @channels: the number of channels
1979  * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
1980  * @maxbps: the max. bps
1981  *
1982  * Calculate the format bitset from the given rate, channels and th PCM format.
1983  *
1984  * Return zero if invalid.
1985  */
1986 unsigned int snd_hda_calc_stream_format(unsigned int rate,
1987                                         unsigned int channels,
1988                                         unsigned int format,
1989                                         unsigned int maxbps)
1990 {
1991         int i;
1992         unsigned int val = 0;
1993
1994         for (i = 0; rate_bits[i].hz; i++)
1995                 if (rate_bits[i].hz == rate) {
1996                         val = rate_bits[i].hda_fmt;
1997                         break;
1998                 }
1999         if (!rate_bits[i].hz) {
2000                 snd_printdd("invalid rate %d\n", rate);
2001                 return 0;
2002         }
2003
2004         if (channels == 0 || channels > 8) {
2005                 snd_printdd("invalid channels %d\n", channels);
2006                 return 0;
2007         }
2008         val |= channels - 1;
2009
2010         switch (snd_pcm_format_width(format)) {
2011         case 8:  val |= 0x00; break;
2012         case 16: val |= 0x10; break;
2013         case 20:
2014         case 24:
2015         case 32:
2016                 if (maxbps >= 32)
2017                         val |= 0x40;
2018                 else if (maxbps >= 24)
2019                         val |= 0x30;
2020                 else
2021                         val |= 0x20;
2022                 break;
2023         default:
2024                 snd_printdd("invalid format width %d\n",
2025                             snd_pcm_format_width(format));
2026                 return 0;
2027         }
2028
2029         return val;
2030 }
2031
2032 /**
2033  * snd_hda_query_supported_pcm - query the supported PCM rates and formats
2034  * @codec: the HDA codec
2035  * @nid: NID to query
2036  * @ratesp: the pointer to store the detected rate bitflags
2037  * @formatsp: the pointer to store the detected formats
2038  * @bpsp: the pointer to store the detected format widths
2039  *
2040  * Queries the supported PCM rates and formats.  The NULL @ratesp, @formatsp
2041  * or @bsps argument is ignored.
2042  *
2043  * Returns 0 if successful, otherwise a negative error code.
2044  */
2045 int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
2046                                 u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
2047 {
2048         int i;
2049         unsigned int val, streams;
2050
2051         val = 0;
2052         if (nid != codec->afg &&
2053             (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
2054                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
2055                 if (val == -1)
2056                         return -EIO;
2057         }
2058         if (!val)
2059                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
2060
2061         if (ratesp) {
2062                 u32 rates = 0;
2063                 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) {
2064                         if (val & (1 << i))
2065                                 rates |= rate_bits[i].alsa_bits;
2066                 }
2067                 *ratesp = rates;
2068         }
2069
2070         if (formatsp || bpsp) {
2071                 u64 formats = 0;
2072                 unsigned int bps;
2073                 unsigned int wcaps;
2074
2075                 wcaps = get_wcaps(codec, nid);
2076                 streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
2077                 if (streams == -1)
2078                         return -EIO;
2079                 if (!streams) {
2080                         streams = snd_hda_param_read(codec, codec->afg,
2081                                                      AC_PAR_STREAM);
2082                         if (streams == -1)
2083                                 return -EIO;
2084                 }
2085
2086                 bps = 0;
2087                 if (streams & AC_SUPFMT_PCM) {
2088                         if (val & AC_SUPPCM_BITS_8) {
2089                                 formats |= SNDRV_PCM_FMTBIT_U8;
2090                                 bps = 8;
2091                         }
2092                         if (val & AC_SUPPCM_BITS_16) {
2093                                 formats |= SNDRV_PCM_FMTBIT_S16_LE;
2094                                 bps = 16;
2095                         }
2096                         if (wcaps & AC_WCAP_DIGITAL) {
2097                                 if (val & AC_SUPPCM_BITS_32)
2098                                         formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
2099                                 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
2100                                         formats |= SNDRV_PCM_FMTBIT_S32_LE;
2101                                 if (val & AC_SUPPCM_BITS_24)
2102                                         bps = 24;
2103                                 else if (val & AC_SUPPCM_BITS_20)
2104                                         bps = 20;
2105                         } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|
2106                                           AC_SUPPCM_BITS_32)) {
2107                                 formats |= SNDRV_PCM_FMTBIT_S32_LE;
2108                                 if (val & AC_SUPPCM_BITS_32)
2109                                         bps = 32;
2110                                 else if (val & AC_SUPPCM_BITS_24)
2111                                         bps = 24;
2112                                 else if (val & AC_SUPPCM_BITS_20)
2113                                         bps = 20;
2114                         }
2115                 }
2116                 else if (streams == AC_SUPFMT_FLOAT32) {
2117                         /* should be exclusive */
2118                         formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
2119                         bps = 32;
2120                 } else if (streams == AC_SUPFMT_AC3) {
2121                         /* should be exclusive */
2122                         /* temporary hack: we have still no proper support
2123                          * for the direct AC3 stream...
2124                          */
2125                         formats |= SNDRV_PCM_FMTBIT_U8;
2126                         bps = 8;
2127                 }
2128                 if (formatsp)
2129                         *formatsp = formats;
2130                 if (bpsp)
2131                         *bpsp = bps;
2132         }
2133
2134         return 0;
2135 }
2136
2137 /**
2138  * snd_hda_is_supported_format - check whether the given node supports
2139  * the format val
2140  *
2141  * Returns 1 if supported, 0 if not.
2142  */
2143 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
2144                                 unsigned int format)
2145 {
2146         int i;
2147         unsigned int val = 0, rate, stream;
2148
2149         if (nid != codec->afg &&
2150             (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
2151                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
2152                 if (val == -1)
2153                         return 0;
2154         }
2155         if (!val) {
2156                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
2157                 if (val == -1)
2158                         return 0;
2159         }
2160
2161         rate = format & 0xff00;
2162         for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)
2163                 if (rate_bits[i].hda_fmt == rate) {
2164                         if (val & (1 << i))
2165                                 break;
2166                         return 0;
2167                 }
2168         if (i >= AC_PAR_PCM_RATE_BITS)
2169                 return 0;
2170
2171         stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
2172         if (stream == -1)
2173                 return 0;
2174         if (!stream && nid != codec->afg)
2175                 stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
2176         if (!stream || stream == -1)
2177                 return 0;
2178
2179         if (stream & AC_SUPFMT_PCM) {
2180                 switch (format & 0xf0) {
2181                 case 0x00:
2182                         if (!(val & AC_SUPPCM_BITS_8))
2183                                 return 0;
2184                         break;
2185                 case 0x10:
2186                         if (!(val & AC_SUPPCM_BITS_16))
2187                                 return 0;
2188                         break;
2189                 case 0x20:
2190                         if (!(val & AC_SUPPCM_BITS_20))
2191                                 return 0;
2192                         break;
2193                 case 0x30:
2194                         if (!(val & AC_SUPPCM_BITS_24))
2195                                 return 0;
2196                         break;
2197                 case 0x40:
2198                         if (!(val & AC_SUPPCM_BITS_32))
2199                                 return 0;
2200                         break;
2201                 default:
2202                         return 0;
2203                 }
2204         } else {
2205                 /* FIXME: check for float32 and AC3? */
2206         }
2207
2208         return 1;
2209 }
2210
2211 /*
2212  * PCM stuff
2213  */
2214 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
2215                                       struct hda_codec *codec,
2216                                       struct snd_pcm_substream *substream)
2217 {
2218         return 0;
2219 }
2220
2221 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
2222                                    struct hda_codec *codec,
2223                                    unsigned int stream_tag,
2224                                    unsigned int format,
2225                                    struct snd_pcm_substream *substream)
2226 {
2227         snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
2228         return 0;
2229 }
2230
2231 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
2232                                    struct hda_codec *codec,
2233                                    struct snd_pcm_substream *substream)
2234 {
2235         snd_hda_codec_cleanup_stream(codec, hinfo->nid);
2236         return 0;
2237 }
2238
2239 static int __devinit set_pcm_default_values(struct hda_codec *codec,
2240                                             struct hda_pcm_stream *info)
2241 {
2242         /* query support PCM information from the given NID */
2243         if (info->nid && (!info->rates || !info->formats)) {
2244                 snd_hda_query_supported_pcm(codec, info->nid,
2245                                 info->rates ? NULL : &info->rates,
2246                                 info->formats ? NULL : &info->formats,
2247                                 info->maxbps ? NULL : &info->maxbps);
2248         }
2249         if (info->ops.open == NULL)
2250                 info->ops.open = hda_pcm_default_open_close;
2251         if (info->ops.close == NULL)
2252                 info->ops.close = hda_pcm_default_open_close;
2253         if (info->ops.prepare == NULL) {
2254                 if (snd_BUG_ON(!info->nid))
2255                         return -EINVAL;
2256                 info->ops.prepare = hda_pcm_default_prepare;
2257         }
2258         if (info->ops.cleanup == NULL) {
2259                 if (snd_BUG_ON(!info->nid))
2260                         return -EINVAL;
2261                 info->ops.cleanup = hda_pcm_default_cleanup;
2262         }
2263         return 0;
2264 }
2265
2266 /**
2267  * snd_hda_build_pcms - build PCM information
2268  * @bus: the BUS
2269  *
2270  * Create PCM information for each codec included in the bus.
2271  *
2272  * The build_pcms codec patch is requested to set up codec->num_pcms and
2273  * codec->pcm_info properly.  The array is referred by the top-level driver
2274  * to create its PCM instances.
2275  * The allocated codec->pcm_info should be released in codec->patch_ops.free
2276  * callback.
2277  *
2278  * At least, substreams, channels_min and channels_max must be filled for
2279  * each stream.  substreams = 0 indicates that the stream doesn't exist.
2280  * When rates and/or formats are zero, the supported values are queried
2281  * from the given nid.  The nid is used also by the default ops.prepare
2282  * and ops.cleanup callbacks.
2283  *
2284  * The driver needs to call ops.open in its open callback.  Similarly,
2285  * ops.close is supposed to be called in the close callback.
2286  * ops.prepare should be called in the prepare or hw_params callback
2287  * with the proper parameters for set up.
2288  * ops.cleanup should be called in hw_free for clean up of streams.
2289  *
2290  * This function returns 0 if successfull, or a negative error code.
2291  */
2292 int __devinit snd_hda_build_pcms(struct hda_bus *bus)
2293 {
2294         struct hda_codec *codec;
2295
2296         list_for_each_entry(codec, &bus->codec_list, list) {
2297                 unsigned int pcm, s;
2298                 int err;
2299                 if (!codec->patch_ops.build_pcms)
2300                         continue;
2301                 err = codec->patch_ops.build_pcms(codec);
2302                 if (err < 0)
2303                         return err;
2304                 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
2305                         for (s = 0; s < 2; s++) {
2306                                 struct hda_pcm_stream *info;
2307                                 info = &codec->pcm_info[pcm].stream[s];
2308                                 if (!info->substreams)
2309                                         continue;
2310                                 err = set_pcm_default_values(codec, info);
2311                                 if (err < 0)
2312                                         return err;
2313                         }
2314                 }
2315         }
2316         return 0;
2317 }
2318
2319 /**
2320  * snd_hda_check_board_config - compare the current codec with the config table
2321  * @codec: the HDA codec
2322  * @num_configs: number of config enums
2323  * @models: array of model name strings
2324  * @tbl: configuration table, terminated by null entries
2325  *
2326  * Compares the modelname or PCI subsystem id of the current codec with the
2327  * given configuration table.  If a matching entry is found, returns its
2328  * config value (supposed to be 0 or positive).
2329  *
2330  * If no entries are matching, the function returns a negative value.
2331  */
2332 int snd_hda_check_board_config(struct hda_codec *codec,
2333                                int num_configs, const char **models,
2334                                const struct snd_pci_quirk *tbl)
2335 {
2336         if (codec->bus->modelname && models) {
2337                 int i;
2338                 for (i = 0; i < num_configs; i++) {
2339                         if (models[i] &&
2340                             !strcmp(codec->bus->modelname, models[i])) {
2341                                 snd_printd(KERN_INFO "hda_codec: model '%s' is "
2342                                            "selected\n", models[i]);
2343                                 return i;
2344                         }
2345                 }
2346         }
2347
2348         if (!codec->bus->pci || !tbl)
2349                 return -1;
2350
2351         tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl);
2352         if (!tbl)
2353                 return -1;
2354         if (tbl->value >= 0 && tbl->value < num_configs) {
2355 #ifdef CONFIG_SND_DEBUG_VERBOSE
2356                 char tmp[10];
2357                 const char *model = NULL;
2358                 if (models)
2359                         model = models[tbl->value];
2360                 if (!model) {
2361                         sprintf(tmp, "#%d", tbl->value);
2362                         model = tmp;
2363                 }
2364                 snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
2365                             "for config %x:%x (%s)\n",
2366                             model, tbl->subvendor, tbl->subdevice,
2367                             (tbl->name ? tbl->name : "Unknown device"));
2368 #endif
2369                 return tbl->value;
2370         }
2371         return -1;
2372 }
2373
2374 /**
2375  * snd_hda_add_new_ctls - create controls from the array
2376  * @codec: the HDA codec
2377  * @knew: the array of struct snd_kcontrol_new
2378  *
2379  * This helper function creates and add new controls in the given array.
2380  * The array must be terminated with an empty entry as terminator.
2381  *
2382  * Returns 0 if successful, or a negative error code.
2383  */
2384 int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
2385 {
2386         int err;
2387
2388         for (; knew->name; knew++) {
2389                 struct snd_kcontrol *kctl;
2390                 kctl = snd_ctl_new1(knew, codec);
2391                 if (!kctl)
2392                         return -ENOMEM;
2393                 err = snd_ctl_add(codec->bus->card, kctl);
2394                 if (err < 0) {
2395                         if (!codec->addr)
2396                                 return err;
2397                         kctl = snd_ctl_new1(knew, codec);
2398                         if (!kctl)
2399                                 return -ENOMEM;
2400                         kctl->id.device = codec->addr;
2401                         err = snd_ctl_add(codec->bus->card, kctl);
2402                         if (err < 0)
2403                                 return err;
2404                 }
2405         }
2406         return 0;
2407 }
2408
2409 #ifdef CONFIG_SND_HDA_POWER_SAVE
2410 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2411                                 unsigned int power_state);
2412
2413 static void hda_power_work(struct work_struct *work)
2414 {
2415         struct hda_codec *codec =
2416                 container_of(work, struct hda_codec, power_work.work);
2417
2418         if (!codec->power_on || codec->power_count) {
2419                 codec->power_transition = 0;
2420                 return;
2421         }
2422
2423         hda_call_codec_suspend(codec);
2424         if (codec->bus->ops.pm_notify)
2425                 codec->bus->ops.pm_notify(codec);
2426 }
2427
2428 static void hda_keep_power_on(struct hda_codec *codec)
2429 {
2430         codec->power_count++;
2431         codec->power_on = 1;
2432 }
2433
2434 void snd_hda_power_up(struct hda_codec *codec)
2435 {
2436         codec->power_count++;
2437         if (codec->power_on || codec->power_transition)
2438                 return;
2439
2440         codec->power_on = 1;
2441         if (codec->bus->ops.pm_notify)
2442                 codec->bus->ops.pm_notify(codec);
2443         hda_call_codec_resume(codec);
2444         cancel_delayed_work(&codec->power_work);
2445         codec->power_transition = 0;
2446 }
2447
2448 void snd_hda_power_down(struct hda_codec *codec)
2449 {
2450         --codec->power_count;
2451         if (!codec->power_on || codec->power_count || codec->power_transition)
2452                 return;
2453         if (power_save) {
2454                 codec->power_transition = 1; /* avoid reentrance */
2455                 schedule_delayed_work(&codec->power_work,
2456                                       msecs_to_jiffies(power_save * 1000));
2457         }
2458 }
2459
2460 int snd_hda_check_amp_list_power(struct hda_codec *codec,
2461                                  struct hda_loopback_check *check,
2462                                  hda_nid_t nid)
2463 {
2464         struct hda_amp_list *p;
2465         int ch, v;
2466
2467         if (!check->amplist)
2468                 return 0;
2469         for (p = check->amplist; p->nid; p++) {
2470                 if (p->nid == nid)
2471                         break;
2472         }
2473         if (!p->nid)
2474                 return 0; /* nothing changed */
2475
2476         for (p = check->amplist; p->nid; p++) {
2477                 for (ch = 0; ch < 2; ch++) {
2478                         v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
2479                                                    p->idx);
2480                         if (!(v & HDA_AMP_MUTE) && v > 0) {
2481                                 if (!check->power_on) {
2482                                         check->power_on = 1;
2483                                         snd_hda_power_up(codec);
2484                                 }
2485                                 return 1;
2486                         }
2487                 }
2488         }
2489         if (check->power_on) {
2490                 check->power_on = 0;
2491                 snd_hda_power_down(codec);
2492         }
2493         return 0;
2494 }
2495 #endif
2496
2497 /*
2498  * Channel mode helper
2499  */
2500 int snd_hda_ch_mode_info(struct hda_codec *codec,
2501                          struct snd_ctl_elem_info *uinfo,
2502                          const struct hda_channel_mode *chmode,
2503                          int num_chmodes)
2504 {
2505         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2506         uinfo->count = 1;
2507         uinfo->value.enumerated.items = num_chmodes;
2508         if (uinfo->value.enumerated.item >= num_chmodes)
2509                 uinfo->value.enumerated.item = num_chmodes - 1;
2510         sprintf(uinfo->value.enumerated.name, "%dch",
2511                 chmode[uinfo->value.enumerated.item].channels);
2512         return 0;
2513 }
2514
2515 int snd_hda_ch_mode_get(struct hda_codec *codec,
2516                         struct snd_ctl_elem_value *ucontrol,
2517                         const struct hda_channel_mode *chmode,
2518                         int num_chmodes,
2519                         int max_channels)
2520 {
2521         int i;
2522
2523         for (i = 0; i < num_chmodes; i++) {
2524                 if (max_channels == chmode[i].channels) {
2525                         ucontrol->value.enumerated.item[0] = i;
2526                         break;
2527                 }
2528         }
2529         return 0;
2530 }
2531
2532 int snd_hda_ch_mode_put(struct hda_codec *codec,
2533                         struct snd_ctl_elem_value *ucontrol,
2534                         const struct hda_channel_mode *chmode,
2535                         int num_chmodes,
2536                         int *max_channelsp)
2537 {
2538         unsigned int mode;
2539
2540         mode = ucontrol->value.enumerated.item[0];
2541         if (mode >= num_chmodes)
2542                 return -EINVAL;
2543         if (*max_channelsp == chmode[mode].channels)
2544                 return 0;
2545         /* change the current channel setting */
2546         *max_channelsp = chmode[mode].channels;
2547         if (chmode[mode].sequence)
2548                 snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
2549         return 1;
2550 }
2551
2552 /*
2553  * input MUX helper
2554  */
2555 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
2556                            struct snd_ctl_elem_info *uinfo)
2557 {
2558         unsigned int index;
2559
2560         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2561         uinfo->count = 1;
2562         uinfo->value.enumerated.items = imux->num_items;
2563         if (!imux->num_items)
2564                 return 0;
2565         index = uinfo->value.enumerated.item;
2566         if (index >= imux->num_items)
2567                 index = imux->num_items - 1;
2568         strcpy(uinfo->value.enumerated.name, imux->items[index].label);
2569         return 0;
2570 }
2571
2572 int snd_hda_input_mux_put(struct hda_codec *codec,
2573                           const struct hda_input_mux *imux,
2574                           struct snd_ctl_elem_value *ucontrol,
2575                           hda_nid_t nid,
2576                           unsigned int *cur_val)
2577 {
2578         unsigned int idx;
2579
2580         if (!imux->num_items)
2581                 return 0;
2582         idx = ucontrol->value.enumerated.item[0];
2583         if (idx >= imux->num_items)
2584                 idx = imux->num_items - 1;
2585         if (*cur_val == idx)
2586                 return 0;
2587         snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
2588                                   imux->items[idx].index);
2589         *cur_val = idx;
2590         return 1;
2591 }
2592
2593
2594 /*
2595  * Multi-channel / digital-out PCM helper functions
2596  */
2597
2598 /* setup SPDIF output stream */
2599 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
2600                                  unsigned int stream_tag, unsigned int format)
2601 {
2602         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2603         if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
2604                 set_dig_out_convert(codec, nid,
2605                                     codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff,
2606                                     -1);
2607         snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
2608         if (codec->slave_dig_outs) {
2609                 hda_nid_t *d;
2610                 for (d = codec->slave_dig_outs; *d; d++)
2611                         snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
2612                                                    format);
2613         }
2614         /* turn on again (if needed) */
2615         if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
2616                 set_dig_out_convert(codec, nid,
2617                                     codec->spdif_ctls & 0xff, -1);
2618 }
2619
2620 static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
2621 {
2622         snd_hda_codec_cleanup_stream(codec, nid);
2623         if (codec->slave_dig_outs) {
2624                 hda_nid_t *d;
2625                 for (d = codec->slave_dig_outs; *d; d++)
2626                         snd_hda_codec_cleanup_stream(codec, *d);
2627         }
2628 }
2629
2630 /*
2631  * open the digital out in the exclusive mode
2632  */
2633 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
2634                                struct hda_multi_out *mout)
2635 {
2636         mutex_lock(&codec->spdif_mutex);
2637         if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
2638                 /* already opened as analog dup; reset it once */
2639                 cleanup_dig_out_stream(codec, mout->dig_out_nid);
2640         mout->dig_out_used = HDA_DIG_EXCLUSIVE;
2641         mutex_unlock(&codec->spdif_mutex);
2642         return 0;
2643 }
2644
2645 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
2646                                   struct hda_multi_out *mout,
2647                                   unsigned int stream_tag,
2648                                   unsigned int format,
2649                                   struct snd_pcm_substream *substream)
2650 {
2651         mutex_lock(&codec->spdif_mutex);
2652         setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
2653         mutex_unlock(&codec->spdif_mutex);
2654         return 0;
2655 }
2656
2657 /*
2658  * release the digital out
2659  */
2660 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
2661                                 struct hda_multi_out *mout)
2662 {
2663         mutex_lock(&codec->spdif_mutex);
2664         mout->dig_out_used = 0;
2665         mutex_unlock(&codec->spdif_mutex);
2666         return 0;
2667 }
2668
2669 /*
2670  * set up more restrictions for analog out
2671  */
2672 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
2673                                   struct hda_multi_out *mout,
2674                                   struct snd_pcm_substream *substream,
2675                                   struct hda_pcm_stream *hinfo)
2676 {
2677         struct snd_pcm_runtime *runtime = substream->runtime;
2678         runtime->hw.channels_max = mout->max_channels;
2679         if (mout->dig_out_nid) {
2680                 if (!mout->analog_rates) {
2681                         mout->analog_rates = hinfo->rates;
2682                         mout->analog_formats = hinfo->formats;
2683                         mout->analog_maxbps = hinfo->maxbps;
2684                 } else {
2685                         runtime->hw.rates = mout->analog_rates;
2686                         runtime->hw.formats = mout->analog_formats;
2687                         hinfo->maxbps = mout->analog_maxbps;
2688                 }
2689                 if (!mout->spdif_rates) {
2690                         snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
2691                                                     &mout->spdif_rates,
2692                                                     &mout->spdif_formats,
2693                                                     &mout->spdif_maxbps);
2694                 }
2695                 mutex_lock(&codec->spdif_mutex);
2696                 if (mout->share_spdif) {
2697                         runtime->hw.rates &= mout->spdif_rates;
2698                         runtime->hw.formats &= mout->spdif_formats;
2699                         if (mout->spdif_maxbps < hinfo->maxbps)
2700                                 hinfo->maxbps = mout->spdif_maxbps;
2701                 }
2702                 mutex_unlock(&codec->spdif_mutex);
2703         }
2704         return snd_pcm_hw_constraint_step(substream->runtime, 0,
2705                                           SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2706 }
2707
2708 /*
2709  * set up the i/o for analog out
2710  * when the digital out is available, copy the front out to digital out, too.
2711  */
2712 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
2713                                      struct hda_multi_out *mout,
2714                                      unsigned int stream_tag,
2715                                      unsigned int format,
2716                                      struct snd_pcm_substream *substream)
2717 {
2718         hda_nid_t *nids = mout->dac_nids;
2719         int chs = substream->runtime->channels;
2720         int i;
2721
2722         mutex_lock(&codec->spdif_mutex);
2723         if (mout->dig_out_nid && mout->share_spdif &&
2724             mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
2725                 if (chs == 2 &&
2726                     snd_hda_is_supported_format(codec, mout->dig_out_nid,
2727                                                 format) &&
2728                     !(codec->spdif_status & IEC958_AES0_NONAUDIO)) {
2729                         mout->dig_out_used = HDA_DIG_ANALOG_DUP;
2730                         setup_dig_out_stream(codec, mout->dig_out_nid,
2731                                              stream_tag, format);
2732                 } else {
2733                         mout->dig_out_used = 0;
2734                         cleanup_dig_out_stream(codec, mout->dig_out_nid);
2735                 }
2736         }
2737         mutex_unlock(&codec->spdif_mutex);
2738
2739         /* front */
2740         snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
2741                                    0, format);
2742         if (!mout->no_share_stream &&
2743             mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
2744                 /* headphone out will just decode front left/right (stereo) */
2745                 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
2746                                            0, format);
2747         /* extra outputs copied from front */
2748         for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2749                 if (!mout->no_share_stream && mout->extra_out_nid[i])
2750                         snd_hda_codec_setup_stream(codec,
2751                                                    mout->extra_out_nid[i],
2752                                                    stream_tag, 0, format);
2753
2754         /* surrounds */
2755         for (i = 1; i < mout->num_dacs; i++) {
2756                 if (chs >= (i + 1) * 2) /* independent out */
2757                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2758                                                    i * 2, format);
2759                 else if (!mout->no_share_stream) /* copy front */
2760                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2761                                                    0, format);
2762         }
2763         return 0;
2764 }
2765
2766 /*
2767  * clean up the setting for analog out
2768  */
2769 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
2770                                      struct hda_multi_out *mout)
2771 {
2772         hda_nid_t *nids = mout->dac_nids;
2773         int i;
2774
2775         for (i = 0; i < mout->num_dacs; i++)
2776                 snd_hda_codec_cleanup_stream(codec, nids[i]);
2777         if (mout->hp_nid)
2778                 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
2779         for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2780                 if (mout->extra_out_nid[i])
2781                         snd_hda_codec_cleanup_stream(codec,
2782                                                      mout->extra_out_nid[i]);
2783         mutex_lock(&codec->spdif_mutex);
2784         if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
2785                 cleanup_dig_out_stream(codec, mout->dig_out_nid);
2786                 mout->dig_out_used = 0;
2787         }
2788         mutex_unlock(&codec->spdif_mutex);
2789         return 0;
2790 }
2791
2792 /*
2793  * Helper for automatic pin configuration
2794  */
2795
2796 static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list)
2797 {
2798         for (; *list; list++)
2799                 if (*list == nid)
2800                         return 1;
2801         return 0;
2802 }
2803
2804
2805 /*
2806  * Sort an associated group of pins according to their sequence numbers.
2807  */
2808 static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences,
2809                                   int num_pins)
2810 {
2811         int i, j;
2812         short seq;
2813         hda_nid_t nid;
2814
2815         for (i = 0; i < num_pins; i++) {
2816                 for (j = i + 1; j < num_pins; j++) {
2817                         if (sequences[i] > sequences[j]) {
2818                                 seq = sequences[i];
2819                                 sequences[i] = sequences[j];
2820                                 sequences[j] = seq;
2821                                 nid = pins[i];
2822                                 pins[i] = pins[j];
2823                                 pins[j] = nid;
2824                         }
2825                 }
2826         }
2827 }
2828
2829
2830 /*
2831  * Parse all pin widgets and store the useful pin nids to cfg
2832  *
2833  * The number of line-outs or any primary output is stored in line_outs,
2834  * and the corresponding output pins are assigned to line_out_pins[],
2835  * in the order of front, rear, CLFE, side, ...
2836  *
2837  * If more extra outputs (speaker and headphone) are found, the pins are
2838  * assisnged to hp_pins[] and speaker_pins[], respectively.  If no line-out jack
2839  * is detected, one of speaker of HP pins is assigned as the primary
2840  * output, i.e. to line_out_pins[0].  So, line_outs is always positive
2841  * if any analog output exists.
2842  *
2843  * The analog input pins are assigned to input_pins array.
2844  * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
2845  * respectively.
2846  */
2847 int snd_hda_parse_pin_def_config(struct hda_codec *codec,
2848                                  struct auto_pin_cfg *cfg,
2849                                  hda_nid_t *ignore_nids)
2850 {
2851         hda_nid_t nid, end_nid;
2852         short seq, assoc_line_out, assoc_speaker;
2853         short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)];
2854         short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)];
2855         short sequences_hp[ARRAY_SIZE(cfg->hp_pins)];
2856
2857         memset(cfg, 0, sizeof(*cfg));
2858
2859         memset(sequences_line_out, 0, sizeof(sequences_line_out));
2860         memset(sequences_speaker, 0, sizeof(sequences_speaker));
2861         memset(sequences_hp, 0, sizeof(sequences_hp));
2862         assoc_line_out = assoc_speaker = 0;
2863
2864         end_nid = codec->start_nid + codec->num_nodes;
2865         for (nid = codec->start_nid; nid < end_nid; nid++) {
2866                 unsigned int wid_caps = get_wcaps(codec, nid);
2867                 unsigned int wid_type =
2868                         (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
2869                 unsigned int def_conf;
2870                 short assoc, loc;
2871
2872                 /* read all default configuration for pin complex */
2873                 if (wid_type != AC_WID_PIN)
2874                         continue;
2875                 /* ignore the given nids (e.g. pc-beep returns error) */
2876                 if (ignore_nids && is_in_nid_list(nid, ignore_nids))
2877                         continue;
2878
2879                 def_conf = snd_hda_codec_read(codec, nid, 0,
2880                                               AC_VERB_GET_CONFIG_DEFAULT, 0);
2881                 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
2882                         continue;
2883                 loc = get_defcfg_location(def_conf);
2884                 switch (get_defcfg_device(def_conf)) {
2885                 case AC_JACK_LINE_OUT:
2886                         seq = get_defcfg_sequence(def_conf);
2887                         assoc = get_defcfg_association(def_conf);
2888
2889                         if (!(wid_caps & AC_WCAP_STEREO))
2890                                 if (!cfg->mono_out_pin)
2891                                         cfg->mono_out_pin = nid;
2892                         if (!assoc)
2893                                 continue;
2894                         if (!assoc_line_out)
2895                                 assoc_line_out = assoc;
2896                         else if (assoc_line_out != assoc)
2897                                 continue;
2898                         if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
2899                                 continue;
2900                         cfg->line_out_pins[cfg->line_outs] = nid;
2901                         sequences_line_out[cfg->line_outs] = seq;
2902                         cfg->line_outs++;
2903                         break;
2904                 case AC_JACK_SPEAKER:
2905                         seq = get_defcfg_sequence(def_conf);
2906                         assoc = get_defcfg_association(def_conf);
2907                         if (! assoc)
2908                                 continue;
2909                         if (! assoc_speaker)
2910                                 assoc_speaker = assoc;
2911                         else if (assoc_speaker != assoc)
2912                                 continue;
2913                         if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
2914                                 continue;
2915                         cfg->speaker_pins[cfg->speaker_outs] = nid;
2916                         sequences_speaker[cfg->speaker_outs] = seq;
2917                         cfg->speaker_outs++;
2918                         break;
2919                 case AC_JACK_HP_OUT:
2920                         seq = get_defcfg_sequence(def_conf);
2921                         assoc = get_defcfg_association(def_conf);
2922                         if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
2923                                 continue;
2924                         cfg->hp_pins[cfg->hp_outs] = nid;
2925                         sequences_hp[cfg->hp_outs] = (assoc << 4) | seq;
2926                         cfg->hp_outs++;
2927                         break;
2928                 case AC_JACK_MIC_IN: {
2929                         int preferred, alt;
2930                         if (loc == AC_JACK_LOC_FRONT) {
2931                                 preferred = AUTO_PIN_FRONT_MIC;
2932                                 alt = AUTO_PIN_MIC;
2933                         } else {
2934                                 preferred = AUTO_PIN_MIC;
2935                                 alt = AUTO_PIN_FRONT_MIC;
2936                         }
2937                         if (!cfg->input_pins[preferred])
2938                                 cfg->input_pins[preferred] = nid;
2939                         else if (!cfg->input_pins[alt])
2940                                 cfg->input_pins[alt] = nid;
2941                         break;
2942                 }
2943                 case AC_JACK_LINE_IN:
2944                         if (loc == AC_JACK_LOC_FRONT)
2945                                 cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
2946                         else
2947                                 cfg->input_pins[AUTO_PIN_LINE] = nid;
2948                         break;
2949                 case AC_JACK_CD:
2950                         cfg->input_pins[AUTO_PIN_CD] = nid;
2951                         break;
2952                 case AC_JACK_AUX:
2953                         cfg->input_pins[AUTO_PIN_AUX] = nid;
2954                         break;
2955                 case AC_JACK_SPDIF_OUT:
2956                         cfg->dig_out_pin = nid;
2957                         break;
2958                 case AC_JACK_SPDIF_IN:
2959                         cfg->dig_in_pin = nid;
2960                         break;
2961                 }
2962         }
2963
2964         /* FIX-UP:
2965          * If no line-out is defined but multiple HPs are found,
2966          * some of them might be the real line-outs.
2967          */
2968         if (!cfg->line_outs && cfg->hp_outs > 1) {
2969                 int i = 0;
2970                 while (i < cfg->hp_outs) {
2971                         /* The real HPs should have the sequence 0x0f */
2972                         if ((sequences_hp[i] & 0x0f) == 0x0f) {
2973                                 i++;
2974                                 continue;
2975                         }
2976                         /* Move it to the line-out table */
2977                         cfg->line_out_pins[cfg->line_outs] = cfg->hp_pins[i];
2978                         sequences_line_out[cfg->line_outs] = sequences_hp[i];
2979                         cfg->line_outs++;
2980                         cfg->hp_outs--;
2981                         memmove(cfg->hp_pins + i, cfg->hp_pins + i + 1,
2982                                 sizeof(cfg->hp_pins[0]) * (cfg->hp_outs - i));
2983                         memmove(sequences_hp + i - 1, sequences_hp + i,
2984                                 sizeof(sequences_hp[0]) * (cfg->hp_outs - i));
2985                 }
2986         }
2987
2988         /* sort by sequence */
2989         sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out,
2990                               cfg->line_outs);
2991         sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker,
2992                               cfg->speaker_outs);
2993         sort_pins_by_sequence(cfg->hp_pins, sequences_hp,
2994                               cfg->hp_outs);
2995
2996         /* if we have only one mic, make it AUTO_PIN_MIC */
2997         if (!cfg->input_pins[AUTO_PIN_MIC] &&
2998             cfg->input_pins[AUTO_PIN_FRONT_MIC]) {
2999                 cfg->input_pins[AUTO_PIN_MIC] =
3000                         cfg->input_pins[AUTO_PIN_FRONT_MIC];
3001                 cfg->input_pins[AUTO_PIN_FRONT_MIC] = 0;
3002         }
3003         /* ditto for line-in */
3004         if (!cfg->input_pins[AUTO_PIN_LINE] &&
3005             cfg->input_pins[AUTO_PIN_FRONT_LINE]) {
3006                 cfg->input_pins[AUTO_PIN_LINE] =
3007                         cfg->input_pins[AUTO_PIN_FRONT_LINE];
3008                 cfg->input_pins[AUTO_PIN_FRONT_LINE] = 0;
3009         }
3010
3011         /*
3012          * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
3013          * as a primary output
3014          */
3015         if (!cfg->line_outs) {
3016                 if (cfg->speaker_outs) {
3017                         cfg->line_outs = cfg->speaker_outs;
3018                         memcpy(cfg->line_out_pins, cfg->speaker_pins,
3019                                sizeof(cfg->speaker_pins));
3020                         cfg->speaker_outs = 0;
3021                         memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
3022                         cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
3023                 } else if (cfg->hp_outs) {
3024                         cfg->line_outs = cfg->hp_outs;
3025                         memcpy(cfg->line_out_pins, cfg->hp_pins,
3026                                sizeof(cfg->hp_pins));
3027                         cfg->hp_outs = 0;
3028                         memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
3029                         cfg->line_out_type = AUTO_PIN_HP_OUT;
3030                 }
3031         }
3032
3033         /* Reorder the surround channels
3034          * ALSA sequence is front/surr/clfe/side
3035          * HDA sequence is:
3036          *    4-ch: front/surr  =>  OK as it is
3037          *    6-ch: front/clfe/surr
3038          *    8-ch: front/clfe/rear/side|fc
3039          */
3040         switch (cfg->line_outs) {
3041         case 3:
3042         case 4:
3043                 nid = cfg->line_out_pins[1];
3044                 cfg->line_out_pins[1] = cfg->line_out_pins[2];
3045                 cfg->line_out_pins[2] = nid;
3046                 break;
3047         }
3048
3049         /*
3050          * debug prints of the parsed results
3051          */
3052         snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3053                    cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
3054                    cfg->line_out_pins[2], cfg->line_out_pins[3],
3055                    cfg->line_out_pins[4]);
3056         snd_printd("   speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3057                    cfg->speaker_outs, cfg->speaker_pins[0],
3058                    cfg->speaker_pins[1], cfg->speaker_pins[2],
3059                    cfg->speaker_pins[3], cfg->speaker_pins[4]);
3060         snd_printd("   hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3061                    cfg->hp_outs, cfg->hp_pins[0],
3062                    cfg->hp_pins[1], cfg->hp_pins[2],
3063                    cfg->hp_pins[3], cfg->hp_pins[4]);
3064         snd_printd("   mono: mono_out=0x%x\n", cfg->mono_out_pin);
3065         snd_printd("   inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
3066                    " cd=0x%x, aux=0x%x\n",
3067                    cfg->input_pins[AUTO_PIN_MIC],
3068                    cfg->input_pins[AUTO_PIN_FRONT_MIC],
3069                    cfg->input_pins[AUTO_PIN_LINE],
3070                    cfg->input_pins[AUTO_PIN_FRONT_LINE],
3071                    cfg->input_pins[AUTO_PIN_CD],
3072                    cfg->input_pins[AUTO_PIN_AUX]);
3073
3074         return 0;
3075 }
3076
3077 /* labels for input pins */
3078 const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
3079         "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
3080 };
3081
3082
3083 #ifdef CONFIG_PM
3084 /*
3085  * power management
3086  */
3087
3088 /**
3089  * snd_hda_suspend - suspend the codecs
3090  * @bus: the HDA bus
3091  * @state: suspsend state
3092  *
3093  * Returns 0 if successful.
3094  */
3095 int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
3096 {
3097         struct hda_codec *codec;
3098
3099         list_for_each_entry(codec, &bus->codec_list, list) {
3100 #ifdef CONFIG_SND_HDA_POWER_SAVE
3101                 if (!codec->power_on)
3102                         continue;
3103 #endif
3104                 hda_call_codec_suspend(codec);
3105         }
3106         return 0;
3107 }
3108
3109 /**
3110  * snd_hda_resume - resume the codecs
3111  * @bus: the HDA bus
3112  * @state: resume state
3113  *
3114  * Returns 0 if successful.
3115  *
3116  * This fucntion is defined only when POWER_SAVE isn't set.
3117  * In the power-save mode, the codec is resumed dynamically.
3118  */
3119 int snd_hda_resume(struct hda_bus *bus)
3120 {
3121         struct hda_codec *codec;
3122
3123         list_for_each_entry(codec, &bus->codec_list, list) {
3124                 if (snd_hda_codec_needs_resume(codec))
3125                         hda_call_codec_resume(codec);
3126         }
3127         return 0;
3128 }
3129 #ifdef CONFIG_SND_HDA_POWER_SAVE
3130 int snd_hda_codecs_inuse(struct hda_bus *bus)
3131 {
3132         struct hda_codec *codec;
3133
3134         list_for_each_entry(codec, &bus->codec_list, list) {
3135                 if (snd_hda_codec_needs_resume(codec))
3136                         return 1;
3137         }
3138         return 0;
3139 }
3140 #endif
3141 #endif