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   1 /*
   2  * Universal Interface for Intel High Definition Audio Codec
   3  *
   4  * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
   5  *
   6  *
   7  *  This driver is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This driver is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  20  */
  21
  22 #include <linux/init.h>
  23 #include <linux/delay.h>
  24 #include <linux/slab.h>
  25 #include <linux/pci.h>
  26 #include <linux/mutex.h>
  27 #include <sound/core.h>
  28 #include "hda_codec.h"
  29 #include <sound/asoundef.h>
  30 #include <sound/tlv.h>
  31 #include <sound/initval.h>
  32 #include "hda_local.h"
  33 #include <sound/hda_hwdep.h>
  34 #include "hda_patch.h"  /* codec presets */
  35
  36 #ifdef CONFIG_SND_HDA_POWER_SAVE
  37 /* define this option here to hide as static */
  38 static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
  39 module_param(power_save, int, 0644);
  40 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
  41                  "(in second, 0 = disable).");
  42 #endif
  43
  44 /*
  45  * vendor / preset table
  46  */
  47
  48 struct hda_vendor_id {
  49         unsigned int id;
  50         const char *name;
  51 };
  52
  53 /* codec vendor labels */
  54 static struct hda_vendor_id hda_vendor_ids[] = {
  55         { 0x1002, "ATI" },
  56         { 0x1057, "Motorola" },
  57         { 0x1095, "Silicon Image" },
  58         { 0x10ec, "Realtek" },
  59         { 0x1106, "VIA" },
  60         { 0x111d, "IDT" },
  61         { 0x11c1, "LSI" },
  62         { 0x11d4, "Analog Devices" },
  63         { 0x13f6, "C-Media" },
  64         { 0x14f1, "Conexant" },
  65         { 0x17e8, "Chrontel" },
  66         { 0x1854, "LG" },
  67         { 0x434d, "C-Media" },
  68         { 0x8384, "SigmaTel" },
  69         {} /* terminator */
  70 };
  71
  72 static const struct hda_codec_preset *hda_preset_tables[] = {
  73 #ifdef CONFIG_SND_HDA_CODEC_REALTEK
  74         snd_hda_preset_realtek,
  75 #endif
  76 #ifdef CONFIG_SND_HDA_CODEC_CMEDIA
  77         snd_hda_preset_cmedia,
  78 #endif
  79 #ifdef CONFIG_SND_HDA_CODEC_ANALOG
  80         snd_hda_preset_analog,
  81 #endif
  82 #ifdef CONFIG_SND_HDA_CODEC_SIGMATEL
  83         snd_hda_preset_sigmatel,
  84 #endif
  85 #ifdef CONFIG_SND_HDA_CODEC_SI3054
  86         snd_hda_preset_si3054,
  87 #endif
  88 #ifdef CONFIG_SND_HDA_CODEC_ATIHDMI
  89         snd_hda_preset_atihdmi,
  90 #endif
  91 #ifdef CONFIG_SND_HDA_CODEC_CONEXANT
  92         snd_hda_preset_conexant,
  93 #endif
  94 #ifdef CONFIG_SND_HDA_CODEC_VIA
  95         snd_hda_preset_via,
  96 #endif
  97         NULL
  98 };
  99
 100 #ifdef CONFIG_SND_HDA_POWER_SAVE
 101 static void hda_power_work(struct work_struct *work);
 102 static void hda_keep_power_on(struct hda_codec *codec);
 103 #else
 104 static inline void hda_keep_power_on(struct hda_codec *codec) {}
 105 #endif
 106
 107 /**
 108  * snd_hda_codec_read - send a command and get the response
 109  * @codec: the HDA codec
 110  * @nid: NID to send the command
 111  * @direct: direct flag
 112  * @verb: the verb to send
 113  * @parm: the parameter for the verb
 114  *
 115  * Send a single command and read the corresponding response.
 116  *
 117  * Returns the obtained response value, or -1 for an error.
 118  */
 119 unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
 120                                 int direct,
 121                                 unsigned int verb, unsigned int parm)
 122 {
 123         unsigned int res;
 124         snd_hda_power_up(codec);
 125         mutex_lock(&codec->bus->cmd_mutex);
 126         if (!codec->bus->ops.command(codec, nid, direct, verb, parm))
 127                 res = codec->bus->ops.get_response(codec);
 128         else
 129                 res = (unsigned int)-1;
 130         mutex_unlock(&codec->bus->cmd_mutex);
 131         snd_hda_power_down(codec);
 132         return res;
 133 }
 134
 135 /**
 136  * snd_hda_codec_write - send a single command without waiting for response
 137  * @codec: the HDA codec
 138  * @nid: NID to send the command
 139  * @direct: direct flag
 140  * @verb: the verb to send
 141  * @parm: the parameter for the verb
 142  *
 143  * Send a single command without waiting for response.
 144  *
 145  * Returns 0 if successful, or a negative error code.
 146  */
 147 int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
 148                          unsigned int verb, unsigned int parm)
 149 {
 150         int err;
 151         snd_hda_power_up(codec);
 152         mutex_lock(&codec->bus->cmd_mutex);
 153         err = codec->bus->ops.command(codec, nid, direct, verb, parm);
 154         mutex_unlock(&codec->bus->cmd_mutex);
 155         snd_hda_power_down(codec);
 156         return err;
 157 }
 158
 159 /**
 160  * snd_hda_sequence_write - sequence writes
 161  * @codec: the HDA codec
 162  * @seq: VERB array to send
 163  *
 164  * Send the commands sequentially from the given array.
 165  * The array must be terminated with NID=0.
 166  */
 167 void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
 168 {
 169         for (; seq->nid; seq++)
 170                 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
 171 }
 172
 173 /**
 174  * snd_hda_get_sub_nodes - get the range of sub nodes
 175  * @codec: the HDA codec
 176  * @nid: NID to parse
 177  * @start_id: the pointer to store the start NID
 178  *
 179  * Parse the NID and store the start NID of its sub-nodes.
 180  * Returns the number of sub-nodes.
 181  */
 182 int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
 183                           hda_nid_t *start_id)
 184 {
 185         unsigned int parm;
 186
 187         parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
 188         if (parm == -1)
 189                 return 0;
 190         *start_id = (parm >> 16) & 0x7fff;
 191         return (int)(parm & 0x7fff);
 192 }
 193
 194 /**
 195  * snd_hda_get_connections - get connection list
 196  * @codec: the HDA codec
 197  * @nid: NID to parse
 198  * @conn_list: connection list array
 199  * @max_conns: max. number of connections to store
 200  *
 201  * Parses the connection list of the given widget and stores the list
 202  * of NIDs.
 203  *
 204  * Returns the number of connections, or a negative error code.
 205  */
 206 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
 207                             hda_nid_t *conn_list, int max_conns)
 208 {
 209         unsigned int parm;
 210         int i, conn_len, conns;
 211         unsigned int shift, num_elems, mask;
 212         hda_nid_t prev_nid;
 213
 214         if (snd_BUG_ON(!conn_list || max_conns <= 0))
 215                 return -EINVAL;
 216
 217         parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN);
 218         if (parm & AC_CLIST_LONG) {
 219                 /* long form */
 220                 shift = 16;
 221                 num_elems = 2;
 222         } else {
 223                 /* short form */
 224                 shift = 8;
 225                 num_elems = 4;
 226         }
 227         conn_len = parm & AC_CLIST_LENGTH;
 228         mask = (1 << (shift-1)) - 1;
 229
 230         if (!conn_len)
 231                 return 0; /* no connection */
 232
 233         if (conn_len == 1) {
 234                 /* single connection */
 235                 parm = snd_hda_codec_read(codec, nid, 0,
 236                                           AC_VERB_GET_CONNECT_LIST, 0);
 237                 conn_list[0] = parm & mask;
 238                 return 1;
 239         }
 240
 241         /* multi connection */
 242         conns = 0;
 243         prev_nid = 0;
 244         for (i = 0; i < conn_len; i++) {
 245                 int range_val;
 246                 hda_nid_t val, n;
 247
 248                 if (i % num_elems == 0)
 249                         parm = snd_hda_codec_read(codec, nid, 0,
 250                                                   AC_VERB_GET_CONNECT_LIST, i);
 251                 range_val = !!(parm & (1 << (shift-1))); /* ranges */
 252                 val = parm & mask;
 253                 parm >>= shift;
 254                 if (range_val) {
 255                         /* ranges between the previous and this one */
 256                         if (!prev_nid || prev_nid >= val) {
 257                                 snd_printk(KERN_WARNING "hda_codec: "
 258                                            "invalid dep_range_val %x:%x\n",
 259                                            prev_nid, val);
 260                                 continue;
 261                         }
 262                         for (n = prev_nid + 1; n <= val; n++) {
 263                                 if (conns >= max_conns) {
 264                                         snd_printk(KERN_ERR
 265                                                    "Too many connections\n");
 266                                         return -EINVAL;
 267                                 }
 268                                 conn_list[conns++] = n;
 269                         }
 270                 } else {
 271                         if (conns >= max_conns) {
 272                                 snd_printk(KERN_ERR "Too many connections\n");
 273                                 return -EINVAL;
 274                         }
 275                         conn_list[conns++] = val;
 276                 }
 277                 prev_nid = val;
 278         }
 279         return conns;
 280 }
 281
 282
 283 /**
 284  * snd_hda_queue_unsol_event - add an unsolicited event to queue
 285  * @bus: the BUS
 286  * @res: unsolicited event (lower 32bit of RIRB entry)
 287  * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
 288  *
 289  * Adds the given event to the queue.  The events are processed in
 290  * the workqueue asynchronously.  Call this function in the interrupt
 291  * hanlder when RIRB receives an unsolicited event.
 292  *
 293  * Returns 0 if successful, or a negative error code.
 294  */
 295 int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
 296 {
 297         struct hda_bus_unsolicited *unsol;
 298         unsigned int wp;
 299
 300         unsol = bus->unsol;
 301         if (!unsol)
 302                 return 0;
 303
 304         wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
 305         unsol->wp = wp;
 306
 307         wp <<= 1;
 308         unsol->queue[wp] = res;
 309         unsol->queue[wp + 1] = res_ex;
 310
 311         schedule_work(&unsol->work);
 312
 313         return 0;
 314 }
 315
 316 /*
 317  * process queueud unsolicited events
 318  */
 319 static void process_unsol_events(struct work_struct *work)
 320 {
 321         struct hda_bus_unsolicited *unsol =
 322                 container_of(work, struct hda_bus_unsolicited, work);
 323         struct hda_bus *bus = unsol->bus;
 324         struct hda_codec *codec;
 325         unsigned int rp, caddr, res;
 326
 327         while (unsol->rp != unsol->wp) {
 328                 rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE;
 329                 unsol->rp = rp;
 330                 rp <<= 1;
 331                 res = unsol->queue[rp];
 332                 caddr = unsol->queue[rp + 1];
 333                 if (!(caddr & (1 << 4))) /* no unsolicited event? */
 334                         continue;
 335                 codec = bus->caddr_tbl[caddr & 0x0f];
 336                 if (codec && codec->patch_ops.unsol_event)
 337                         codec->patch_ops.unsol_event(codec, res);
 338         }
 339 }
 340
 341 /*
 342  * initialize unsolicited queue
 343  */
 344 static int __devinit init_unsol_queue(struct hda_bus *bus)
 345 {
 346         struct hda_bus_unsolicited *unsol;
 347
 348         if (bus->unsol) /* already initialized */
 349                 return 0;
 350
 351         unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
 352         if (!unsol) {
 353                 snd_printk(KERN_ERR "hda_codec: "
 354                            "can't allocate unsolicited queue\n");
 355                 return -ENOMEM;
 356         }
 357         INIT_WORK(&unsol->work, process_unsol_events);
 358         unsol->bus = bus;
 359         bus->unsol = unsol;
 360         return 0;
 361 }
 362
 363 /*
 364  * destructor
 365  */
 366 static void snd_hda_codec_free(struct hda_codec *codec);
 367
 368 static int snd_hda_bus_free(struct hda_bus *bus)
 369 {
 370         struct hda_codec *codec, *n;
 371
 372         if (!bus)
 373                 return 0;
 374         if (bus->unsol) {
 375                 flush_scheduled_work();
 376                 kfree(bus->unsol);
 377         }
 378         list_for_each_entry_safe(codec, n, &bus->codec_list, list) {
 379                 snd_hda_codec_free(codec);
 380         }
 381         if (bus->ops.private_free)
 382                 bus->ops.private_free(bus);
 383         kfree(bus);
 384         return 0;
 385 }
 386
 387 static int snd_hda_bus_dev_free(struct snd_device *device)
 388 {
 389         struct hda_bus *bus = device->device_data;
 390         return snd_hda_bus_free(bus);
 391 }
 392
 393 /**
 394  * snd_hda_bus_new - create a HDA bus
 395  * @card: the card entry
 396  * @temp: the template for hda_bus information
 397  * @busp: the pointer to store the created bus instance
 398  *
 399  * Returns 0 if successful, or a negative error code.
 400  */
 401 int __devinit snd_hda_bus_new(struct snd_card *card,
 402                               const struct hda_bus_template *temp,
 403                               struct hda_bus **busp)
 404 {
 405         struct hda_bus *bus;
 406         int err;
 407         static struct snd_device_ops dev_ops = {
 408                 .dev_free = snd_hda_bus_dev_free,
 409         };
 410
 411         if (snd_BUG_ON(!temp))
 412                 return -EINVAL;
 413         if (snd_BUG_ON(!temp->ops.command || !temp->ops.get_response))
 414                 return -EINVAL;
 415
 416         if (busp)
 417                 *busp = NULL;
 418
 419         bus = kzalloc(sizeof(*bus), GFP_KERNEL);
 420         if (bus == NULL) {
 421                 snd_printk(KERN_ERR "can't allocate struct hda_bus\n");
 422                 return -ENOMEM;
 423         }
 424
 425         bus->card = card;
 426         bus->private_data = temp->private_data;
 427         bus->pci = temp->pci;
 428         bus->modelname = temp->modelname;
 429         bus->ops = temp->ops;
 430
 431         mutex_init(&bus->cmd_mutex);
 432         INIT_LIST_HEAD(&bus->codec_list);
 433
 434         err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
 435         if (err < 0) {
 436                 snd_hda_bus_free(bus);
 437                 return err;
 438         }
 439         if (busp)
 440                 *busp = bus;
 441         return 0;
 442 }
 443
 444 #ifdef CONFIG_SND_HDA_GENERIC
 445 #define is_generic_config(codec) \
 446         (codec->bus->modelname && !strcmp(codec->bus->modelname, "generic"))
 447 #else
 448 #define is_generic_config(codec)        0
 449 #endif
 450
 451 /*
 452  * find a matching codec preset
 453  */
 454 static const struct hda_codec_preset __devinit *
 455 find_codec_preset(struct hda_codec *codec)
 456 {
 457         const struct hda_codec_preset **tbl, *preset;
 458
 459         if (is_generic_config(codec))
 460                 return NULL; /* use the generic parser */
 461
 462         for (tbl = hda_preset_tables; *tbl; tbl++) {
 463                 for (preset = *tbl; preset->id; preset++) {
 464                         u32 mask = preset->mask;
 465                         if (preset->afg && preset->afg != codec->afg)
 466                                 continue;
 467                         if (preset->mfg && preset->mfg != codec->mfg)
 468                                 continue;
 469                         if (!mask)
 470                                 mask = ~0;
 471                         if (preset->id == (codec->vendor_id & mask) &&
 472                             (!preset->rev ||
 473                              preset->rev == codec->revision_id))
 474                                 return preset;
 475                 }
 476         }
 477         return NULL;
 478 }
 479
 480 /*
 481  * snd_hda_get_codec_name - store the codec name
 482  */
 483 void snd_hda_get_codec_name(struct hda_codec *codec,
 484                             char *name, int namelen)
 485 {
 486         const struct hda_vendor_id *c;
 487         const char *vendor = NULL;
 488         u16 vendor_id = codec->vendor_id >> 16;
 489         char tmp[16];
 490
 491         for (c = hda_vendor_ids; c->id; c++) {
 492                 if (c->id == vendor_id) {
 493                         vendor = c->name;
 494                         break;
 495                 }
 496         }
 497         if (!vendor) {
 498                 sprintf(tmp, "Generic %04x", vendor_id);
 499                 vendor = tmp;
 500         }
 501         if (codec->preset && codec->preset->name)
 502                 snprintf(name, namelen, "%s %s", vendor, codec->preset->name);
 503         else
 504                 snprintf(name, namelen, "%s ID %x", vendor,
 505                          codec->vendor_id & 0xffff);
 506 }
 507
 508 /*
 509  * look for an AFG and MFG nodes
 510  */
 511 static void __devinit setup_fg_nodes(struct hda_codec *codec)
 512 {
 513         int i, total_nodes;
 514         hda_nid_t nid;
 515
 516         total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
 517         for (i = 0; i < total_nodes; i++, nid++) {
 518                 unsigned int func;
 519                 func = snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE);
 520                 switch (func & 0xff) {
 521                 case AC_GRP_AUDIO_FUNCTION:
 522                         codec->afg = nid;
 523                         break;
 524                 case AC_GRP_MODEM_FUNCTION:
 525                         codec->mfg = nid;
 526                         break;
 527                 default:
 528                         break;
 529                 }
 530         }
 531 }
 532
 533 /*
 534  * read widget caps for each widget and store in cache
 535  */
 536 static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
 537 {
 538         int i;
 539         hda_nid_t nid;
 540
 541         codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node,
 542                                                  &codec->start_nid);
 543         codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL);
 544         if (!codec->wcaps)
 545                 return -ENOMEM;
 546         nid = codec->start_nid;
 547         for (i = 0; i < codec->num_nodes; i++, nid++)
 548                 codec->wcaps[i] = snd_hda_param_read(codec, nid,
 549                                                      AC_PAR_AUDIO_WIDGET_CAP);
 550         return 0;
 551 }
 552
 553
 554 static void init_hda_cache(struct hda_cache_rec *cache,
 555                            unsigned int record_size);
 556 static void free_hda_cache(struct hda_cache_rec *cache);
 557
 558 /*
 559  * codec destructor
 560  */
 561 static void snd_hda_codec_free(struct hda_codec *codec)
 562 {
 563         if (!codec)
 564                 return;
 565 #ifdef CONFIG_SND_HDA_POWER_SAVE
 566         cancel_delayed_work(&codec->power_work);
 567         flush_scheduled_work();
 568 #endif
 569         list_del(&codec->list);
 570         codec->bus->caddr_tbl[codec->addr] = NULL;
 571         if (codec->patch_ops.free)
 572                 codec->patch_ops.free(codec);
 573         free_hda_cache(&codec->amp_cache);
 574         free_hda_cache(&codec->cmd_cache);
 575         kfree(codec->wcaps);
 576         kfree(codec);
 577 }
 578
 579 /**
 580  * snd_hda_codec_new - create a HDA codec
 581  * @bus: the bus to assign
 582  * @codec_addr: the codec address
 583  * @codecp: the pointer to store the generated codec
 584  *
 585  * Returns 0 if successful, or a negative error code.
 586  */
 587 int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
 588                                 struct hda_codec **codecp)
 589 {
 590         struct hda_codec *codec;
 591         char component[31];
 592         int err;
 593
 594         if (snd_BUG_ON(!bus))
 595                 return -EINVAL;
 596         if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
 597                 return -EINVAL;
 598
 599         if (bus->caddr_tbl[codec_addr]) {
 600                 snd_printk(KERN_ERR "hda_codec: "
 601                            "address 0x%x is already occupied\n", codec_addr);
 602                 return -EBUSY;
 603         }
 604
 605         codec = kzalloc(sizeof(*codec), GFP_KERNEL);
 606         if (codec == NULL) {
 607                 snd_printk(KERN_ERR "can't allocate struct hda_codec\n");
 608                 return -ENOMEM;
 609         }
 610
 611         codec->bus = bus;
 612         codec->addr = codec_addr;
 613         mutex_init(&codec->spdif_mutex);
 614         init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
 615         init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
 616
 617 #ifdef CONFIG_SND_HDA_POWER_SAVE
 618         INIT_DELAYED_WORK(&codec->power_work, hda_power_work);
 619         /* snd_hda_codec_new() marks the codec as power-up, and leave it as is.
 620          * the caller has to power down appropriatley after initialization
 621          * phase.
 622          */
 623         hda_keep_power_on(codec);
 624 #endif
 625
 626         list_add_tail(&codec->list, &bus->codec_list);
 627         bus->caddr_tbl[codec_addr] = codec;
 628
 629         codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 630                                               AC_PAR_VENDOR_ID);
 631         if (codec->vendor_id == -1)
 632                 /* read again, hopefully the access method was corrected
 633                  * in the last read...
 634                  */
 635                 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 636                                                       AC_PAR_VENDOR_ID);
 637         codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 638                                                  AC_PAR_SUBSYSTEM_ID);
 639         codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 640                                                 AC_PAR_REV_ID);
 641
 642         setup_fg_nodes(codec);
 643         if (!codec->afg && !codec->mfg) {
 644                 snd_printdd("hda_codec: no AFG or MFG node found\n");
 645                 snd_hda_codec_free(codec);
 646                 return -ENODEV;
 647         }
 648
 649         if (read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg) < 0) {
 650                 snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
 651                 snd_hda_codec_free(codec);
 652                 return -ENOMEM;
 653         }
 654
 655         if (!codec->subsystem_id) {
 656                 hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
 657                 codec->subsystem_id =
 658                         snd_hda_codec_read(codec, nid, 0,
 659                                            AC_VERB_GET_SUBSYSTEM_ID, 0);
 660         }
 661
 662         codec->preset = find_codec_preset(codec);
 663         /* audio codec should override the mixer name */
 664         if (codec->afg || !*bus->card->mixername)
 665                 snd_hda_get_codec_name(codec, bus->card->mixername,
 666                                        sizeof(bus->card->mixername));
 667
 668         if (is_generic_config(codec)) {
 669                 err = snd_hda_parse_generic_codec(codec);
 670                 goto patched;
 671         }
 672         if (codec->preset && codec->preset->patch) {
 673                 err = codec->preset->patch(codec);
 674                 goto patched;
 675         }
 676
 677         /* call the default parser */
 678         err = snd_hda_parse_generic_codec(codec);
 679         if (err < 0)
 680                 printk(KERN_ERR "hda-codec: No codec parser is available\n");
 681
 682  patched:
 683         if (err < 0) {
 684                 snd_hda_codec_free(codec);
 685                 return err;
 686         }
 687
 688         if (codec->patch_ops.unsol_event)
 689                 init_unsol_queue(bus);
 690
 691         snd_hda_codec_proc_new(codec);
 692 #ifdef CONFIG_SND_HDA_HWDEP
 693         snd_hda_create_hwdep(codec);
 694 #endif
 695
 696         sprintf(component, "HDA:%08x,%08x,%08x", codec->vendor_id, codec->subsystem_id, codec->revision_id);
 697         snd_component_add(codec->bus->card, component);
 698
 699         if (codecp)
 700                 *codecp = codec;
 701         return 0;
 702 }
 703
 704 /**
 705  * snd_hda_codec_setup_stream - set up the codec for streaming
 706  * @codec: the CODEC to set up
 707  * @nid: the NID to set up
 708  * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
 709  * @channel_id: channel id to pass, zero based.
 710  * @format: stream format.
 711  */
 712 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
 713                                 u32 stream_tag,
 714                                 int channel_id, int format)
 715 {
 716         if (!nid)
 717                 return;
 718
 719         snd_printdd("hda_codec_setup_stream: "
 720                     "NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
 721                     nid, stream_tag, channel_id, format);
 722         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID,
 723                             (stream_tag << 4) | channel_id);
 724         msleep(1);
 725         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
 726 }
 727
 728 void snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid)
 729 {
 730         if (!nid)
 731                 return;
 732
 733         snd_printdd("hda_codec_cleanup_stream: NID=0x%x\n", nid);
 734         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
 735 #if 0 /* keep the format */
 736         msleep(1);
 737         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0);
 738 #endif
 739 }
 740
 741 /*
 742  * amp access functions
 743  */
 744
 745 /* FIXME: more better hash key? */
 746 #define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
 747 #define INFO_AMP_CAPS   (1<<0)
 748 #define INFO_AMP_VOL(ch)        (1 << (1 + (ch)))
 749
 750 /* initialize the hash table */
 751 static void __devinit init_hda_cache(struct hda_cache_rec *cache,
 752                                      unsigned int record_size)
 753 {
 754         memset(cache, 0, sizeof(*cache));
 755         memset(cache->hash, 0xff, sizeof(cache->hash));
 756         cache->record_size = record_size;
 757 }
 758
 759 static void free_hda_cache(struct hda_cache_rec *cache)
 760 {
 761         kfree(cache->buffer);
 762 }
 763
 764 /* query the hash.  allocate an entry if not found. */
 765 static struct hda_cache_head  *get_alloc_hash(struct hda_cache_rec *cache,
 766                                               u32 key)
 767 {
 768         u16 idx = key % (u16)ARRAY_SIZE(cache->hash);
 769         u16 cur = cache->hash[idx];
 770         struct hda_cache_head *info;
 771
 772         while (cur != 0xffff) {
 773                 info = (struct hda_cache_head *)(cache->buffer +
 774                                                  cur * cache->record_size);
 775                 if (info->key == key)
 776                         return info;
 777                 cur = info->next;
 778         }
 779
 780         /* add a new hash entry */
 781         if (cache->num_entries >= cache->size) {
 782                 /* reallocate the array */
 783                 unsigned int new_size = cache->size + 64;
 784                 void *new_buffer;
 785                 new_buffer = kcalloc(new_size, cache->record_size, GFP_KERNEL);
 786                 if (!new_buffer) {
 787                         snd_printk(KERN_ERR "hda_codec: "
 788                                    "can't malloc amp_info\n");
 789                         return NULL;
 790                 }
 791                 if (cache->buffer) {
 792                         memcpy(new_buffer, cache->buffer,
 793                                cache->size * cache->record_size);
 794                         kfree(cache->buffer);
 795                 }
 796                 cache->size = new_size;
 797                 cache->buffer = new_buffer;
 798         }
 799         cur = cache->num_entries++;
 800         info = (struct hda_cache_head *)(cache->buffer +
 801                                          cur * cache->record_size);
 802         info->key = key;
 803         info->val = 0;
 804         info->next = cache->hash[idx];
 805         cache->hash[idx] = cur;
 806
 807         return info;
 808 }
 809
 810 /* query and allocate an amp hash entry */
 811 static inline struct hda_amp_info *
 812 get_alloc_amp_hash(struct hda_codec *codec, u32 key)
 813 {
 814         return (struct hda_amp_info *)get_alloc_hash(&codec->amp_cache, key);
 815 }
 816
 817 /*
 818  * query AMP capabilities for the given widget and direction
 819  */
 820 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
 821 {
 822         struct hda_amp_info *info;
 823
 824         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0));
 825         if (!info)
 826                 return 0;
 827         if (!(info->head.val & INFO_AMP_CAPS)) {
 828                 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
 829                         nid = codec->afg;
 830                 info->amp_caps = snd_hda_param_read(codec, nid,
 831                                                     direction == HDA_OUTPUT ?
 832                                                     AC_PAR_AMP_OUT_CAP :
 833                                                     AC_PAR_AMP_IN_CAP);
 834                 if (info->amp_caps)
 835                         info->head.val |= INFO_AMP_CAPS;
 836         }
 837         return info->amp_caps;
 838 }
 839
 840 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
 841                               unsigned int caps)
 842 {
 843         struct hda_amp_info *info;
 844
 845         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, dir, 0));
 846         if (!info)
 847                 return -EINVAL;
 848         info->amp_caps = caps;
 849         info->head.val |= INFO_AMP_CAPS;
 850         return 0;
 851 }
 852
 853 /*
 854  * read the current volume to info
 855  * if the cache exists, read the cache value.
 856  */
 857 static unsigned int get_vol_mute(struct hda_codec *codec,
 858                                  struct hda_amp_info *info, hda_nid_t nid,
 859                                  int ch, int direction, int index)
 860 {
 861         u32 val, parm;
 862
 863         if (info->head.val & INFO_AMP_VOL(ch))
 864                 return info->vol[ch];
 865
 866         parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
 867         parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
 868         parm |= index;
 869         val = snd_hda_codec_read(codec, nid, 0,
 870                                  AC_VERB_GET_AMP_GAIN_MUTE, parm);
 871         info->vol[ch] = val & 0xff;
 872         info->head.val |= INFO_AMP_VOL(ch);
 873         return info->vol[ch];
 874 }
 875
 876 /*
 877  * write the current volume in info to the h/w and update the cache
 878  */
 879 static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
 880                          hda_nid_t nid, int ch, int direction, int index,
 881                          int val)
 882 {
 883         u32 parm;
 884
 885         parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
 886         parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
 887         parm |= index << AC_AMP_SET_INDEX_SHIFT;
 888         parm |= val;
 889         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
 890         info->vol[ch] = val;
 891 }
 892
 893 /*
 894  * read AMP value.  The volume is between 0 to 0x7f, 0x80 = mute bit.
 895  */
 896 int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
 897                            int direction, int index)
 898 {
 899         struct hda_amp_info *info;
 900         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
 901         if (!info)
 902                 return 0;
 903         return get_vol_mute(codec, info, nid, ch, direction, index);
 904 }
 905
 906 /*
 907  * update the AMP value, mask = bit mask to set, val = the value
 908  */
 909 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
 910                              int direction, int idx, int mask, int val)
 911 {
 912         struct hda_amp_info *info;
 913
 914         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx));
 915         if (!info)
 916                 return 0;
 917         val &= mask;
 918         val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask;
 919         if (info->vol[ch] == val)
 920                 return 0;
 921         put_vol_mute(codec, info, nid, ch, direction, idx, val);
 922         return 1;
 923 }
 924
 925 /*
 926  * update the AMP stereo with the same mask and value
 927  */
 928 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
 929                              int direction, int idx, int mask, int val)
 930 {
 931         int ch, ret = 0;
 932         for (ch = 0; ch < 2; ch++)
 933                 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
 934                                                 idx, mask, val);
 935         return ret;
 936 }
 937
 938 #ifdef SND_HDA_NEEDS_RESUME
 939 /* resume the all amp commands from the cache */
 940 void snd_hda_codec_resume_amp(struct hda_codec *codec)
 941 {
 942         struct hda_amp_info *buffer = codec->amp_cache.buffer;
 943         int i;
 944
 945         for (i = 0; i < codec->amp_cache.size; i++, buffer++) {
 946                 u32 key = buffer->head.key;
 947                 hda_nid_t nid;
 948                 unsigned int idx, dir, ch;
 949                 if (!key)
 950                         continue;
 951                 nid = key & 0xff;
 952                 idx = (key >> 16) & 0xff;
 953                 dir = (key >> 24) & 0xff;
 954                 for (ch = 0; ch < 2; ch++) {
 955                         if (!(buffer->head.val & INFO_AMP_VOL(ch)))
 956                                 continue;
 957                         put_vol_mute(codec, buffer, nid, ch, dir, idx,
 958                                      buffer->vol[ch]);
 959                 }
 960         }
 961 }
 962 #endif /* SND_HDA_NEEDS_RESUME */
 963
 964 /*
 965  * AMP control callbacks
 966  */
 967 /* retrieve parameters from private_value */
 968 #define get_amp_nid(kc)         ((kc)->private_value & 0xffff)
 969 #define get_amp_channels(kc)    (((kc)->private_value >> 16) & 0x3)
 970 #define get_amp_direction(kc)   (((kc)->private_value >> 18) & 0x1)
 971 #define get_amp_index(kc)       (((kc)->private_value >> 19) & 0xf)
 972
 973 /* volume */
 974 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
 975                                   struct snd_ctl_elem_info *uinfo)
 976 {
 977         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 978         u16 nid = get_amp_nid(kcontrol);
 979         u8 chs = get_amp_channels(kcontrol);
 980         int dir = get_amp_direction(kcontrol);
 981         u32 caps;
 982
 983         caps = query_amp_caps(codec, nid, dir);
 984         /* num steps */
 985         caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
 986         if (!caps) {
 987                 printk(KERN_WARNING "hda_codec: "
 988                        "num_steps = 0 for NID=0x%x (ctl = %s)\n", nid,
 989                        kcontrol->id.name);
 990                 return -EINVAL;
 991         }
 992         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 993         uinfo->count = chs == 3 ? 2 : 1;
 994         uinfo->value.integer.min = 0;
 995         uinfo->value.integer.max = caps;
 996         return 0;
 997 }
 998
 999 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
1000                                  struct snd_ctl_elem_value *ucontrol)
1001 {
1002         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1003         hda_nid_t nid = get_amp_nid(kcontrol);
1004         int chs = get_amp_channels(kcontrol);
1005         int dir = get_amp_direction(kcontrol);
1006         int idx = get_amp_index(kcontrol);
1007         long *valp = ucontrol->value.integer.value;
1008
1009         if (chs & 1)
1010                 *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx)
1011                         & HDA_AMP_VOLMASK;
1012         if (chs & 2)
1013                 *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx)
1014                         & HDA_AMP_VOLMASK;
1015         return 0;
1016 }
1017
1018 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1019                                  struct snd_ctl_elem_value *ucontrol)
1020 {
1021         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1022         hda_nid_t nid = get_amp_nid(kcontrol);
1023         int chs = get_amp_channels(kcontrol);
1024         int dir = get_amp_direction(kcontrol);
1025         int idx = get_amp_index(kcontrol);
1026         long *valp = ucontrol->value.integer.value;
1027         int change = 0;
1028
1029         snd_hda_power_up(codec);
1030         if (chs & 1) {
1031                 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
1032                                                   0x7f, *valp);
1033                 valp++;
1034         }
1035         if (chs & 2)
1036                 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
1037                                                    0x7f, *valp);
1038         snd_hda_power_down(codec);
1039         return change;
1040 }
1041
1042 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1043                           unsigned int size, unsigned int __user *_tlv)
1044 {
1045         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1046         hda_nid_t nid = get_amp_nid(kcontrol);
1047         int dir = get_amp_direction(kcontrol);
1048         u32 caps, val1, val2;
1049
1050         if (size < 4 * sizeof(unsigned int))
1051                 return -ENOMEM;
1052         caps = query_amp_caps(codec, nid, dir);
1053         val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1054         val2 = (val2 + 1) * 25;
1055         val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1056         val1 = ((int)val1) * ((int)val2);
1057         if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
1058                 return -EFAULT;
1059         if (put_user(2 * sizeof(unsigned int), _tlv + 1))
1060                 return -EFAULT;
1061         if (put_user(val1, _tlv + 2))
1062                 return -EFAULT;
1063         if (put_user(val2, _tlv + 3))
1064                 return -EFAULT;
1065         return 0;
1066 }
1067
1068 /*
1069  * set (static) TLV for virtual master volume; recalculated as max 0dB
1070  */
1071 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1072                              unsigned int *tlv)
1073 {
1074         u32 caps;
1075         int nums, step;
1076
1077         caps = query_amp_caps(codec, nid, dir);
1078         nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1079         step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1080         step = (step + 1) * 25;
1081         tlv[0] = SNDRV_CTL_TLVT_DB_SCALE;
1082         tlv[1] = 2 * sizeof(unsigned int);
1083         tlv[2] = -nums * step;
1084         tlv[3] = step;
1085 }
1086
1087 /* find a mixer control element with the given name */
1088 static struct snd_kcontrol *
1089 _snd_hda_find_mixer_ctl(struct hda_codec *codec,
1090                         const char *name, int idx)
1091 {
1092         struct snd_ctl_elem_id id;
1093         memset(&id, 0, sizeof(id));
1094         id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1095         id.index = idx;
1096         strcpy(id.name, name);
1097         return snd_ctl_find_id(codec->bus->card, &id);
1098 }
1099
1100 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1101                                             const char *name)
1102 {
1103         return _snd_hda_find_mixer_ctl(codec, name, 0);
1104 }
1105
1106 /* create a virtual master control and add slaves */
1107 int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
1108                         unsigned int *tlv, const char **slaves)
1109 {
1110         struct snd_kcontrol *kctl;
1111         const char **s;
1112         int err;
1113
1114         for (s = slaves; *s && !snd_hda_find_mixer_ctl(codec, *s); s++)
1115                 ;
1116         if (!*s) {
1117                 snd_printdd("No slave found for %s\n", name);
1118                 return 0;
1119         }
1120         kctl = snd_ctl_make_virtual_master(name, tlv);
1121         if (!kctl)
1122                 return -ENOMEM;
1123         err = snd_ctl_add(codec->bus->card, kctl);
1124         if (err < 0)
1125                 return err;
1126
1127         for (s = slaves; *s; s++) {
1128                 struct snd_kcontrol *sctl;
1129
1130                 sctl = snd_hda_find_mixer_ctl(codec, *s);
1131                 if (!sctl) {
1132                         snd_printdd("Cannot find slave %s, skipped\n", *s);
1133                         continue;
1134                 }
1135                 err = snd_ctl_add_slave(kctl, sctl);
1136                 if (err < 0)
1137                         return err;
1138         }
1139         return 0;
1140 }
1141
1142 /* switch */
1143 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
1144                                   struct snd_ctl_elem_info *uinfo)
1145 {
1146         int chs = get_amp_channels(kcontrol);
1147
1148         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1149         uinfo->count = chs == 3 ? 2 : 1;
1150         uinfo->value.integer.min = 0;
1151         uinfo->value.integer.max = 1;
1152         return 0;
1153 }
1154
1155 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
1156                                  struct snd_ctl_elem_value *ucontrol)
1157 {
1158         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1159         hda_nid_t nid = get_amp_nid(kcontrol);
1160         int chs = get_amp_channels(kcontrol);
1161         int dir = get_amp_direction(kcontrol);
1162         int idx = get_amp_index(kcontrol);
1163         long *valp = ucontrol->value.integer.value;
1164
1165         if (chs & 1)
1166                 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
1167                            HDA_AMP_MUTE) ? 0 : 1;
1168         if (chs & 2)
1169                 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
1170                          HDA_AMP_MUTE) ? 0 : 1;
1171         return 0;
1172 }
1173
1174 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
1175                                  struct snd_ctl_elem_value *ucontrol)
1176 {
1177         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1178         hda_nid_t nid = get_amp_nid(kcontrol);
1179         int chs = get_amp_channels(kcontrol);
1180         int dir = get_amp_direction(kcontrol);
1181         int idx = get_amp_index(kcontrol);
1182         long *valp = ucontrol->value.integer.value;
1183         int change = 0;
1184
1185         snd_hda_power_up(codec);
1186         if (chs & 1) {
1187                 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
1188                                                   HDA_AMP_MUTE,
1189                                                   *valp ? 0 : HDA_AMP_MUTE);
1190                 valp++;
1191         }
1192         if (chs & 2)
1193                 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
1194                                                    HDA_AMP_MUTE,
1195                                                    *valp ? 0 : HDA_AMP_MUTE);
1196 #ifdef CONFIG_SND_HDA_POWER_SAVE
1197         if (codec->patch_ops.check_power_status)
1198                 codec->patch_ops.check_power_status(codec, nid);
1199 #endif
1200         snd_hda_power_down(codec);
1201         return change;
1202 }
1203
1204 /*
1205  * bound volume controls
1206  *
1207  * bind multiple volumes (# indices, from 0)
1208  */
1209
1210 #define AMP_VAL_IDX_SHIFT       19
1211 #define AMP_VAL_IDX_MASK        (0x0f<<19)
1212
1213 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
1214                                   struct snd_ctl_elem_value *ucontrol)
1215 {
1216         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1217         unsigned long pval;
1218         int err;
1219
1220         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1221         pval = kcontrol->private_value;
1222         kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
1223         err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
1224         kcontrol->private_value = pval;
1225         mutex_unlock(&codec->spdif_mutex);
1226         return err;
1227 }
1228
1229 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
1230                                   struct snd_ctl_elem_value *ucontrol)
1231 {
1232         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1233         unsigned long pval;
1234         int i, indices, err = 0, change = 0;
1235
1236         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1237         pval = kcontrol->private_value;
1238         indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
1239         for (i = 0; i < indices; i++) {
1240                 kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) |
1241                         (i << AMP_VAL_IDX_SHIFT);
1242                 err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
1243                 if (err < 0)
1244                         break;
1245                 change |= err;
1246         }
1247         kcontrol->private_value = pval;
1248         mutex_unlock(&codec->spdif_mutex);
1249         return err < 0 ? err : change;
1250 }
1251
1252 /*
1253  * generic bound volume/swtich controls
1254  */
1255 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
1256                                  struct snd_ctl_elem_info *uinfo)
1257 {
1258         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1259         struct hda_bind_ctls *c;
1260         int err;
1261
1262         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1263         c = (struct hda_bind_ctls *)kcontrol->private_value;
1264         kcontrol->private_value = *c->values;
1265         err = c->ops->info(kcontrol, uinfo);
1266         kcontrol->private_value = (long)c;
1267         mutex_unlock(&codec->spdif_mutex);
1268         return err;
1269 }
1270
1271 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
1272                                 struct snd_ctl_elem_value *ucontrol)
1273 {
1274         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1275         struct hda_bind_ctls *c;
1276         int err;
1277
1278         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1279         c = (struct hda_bind_ctls *)kcontrol->private_value;
1280         kcontrol->private_value = *c->values;
1281         err = c->ops->get(kcontrol, ucontrol);
1282         kcontrol->private_value = (long)c;
1283         mutex_unlock(&codec->spdif_mutex);
1284         return err;
1285 }
1286
1287 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
1288                                 struct snd_ctl_elem_value *ucontrol)
1289 {
1290         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1291         struct hda_bind_ctls *c;
1292         unsigned long *vals;
1293         int err = 0, change = 0;
1294
1295         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1296         c = (struct hda_bind_ctls *)kcontrol->private_value;
1297         for (vals = c->values; *vals; vals++) {
1298                 kcontrol->private_value = *vals;
1299                 err = c->ops->put(kcontrol, ucontrol);
1300                 if (err < 0)
1301                         break;
1302                 change |= err;
1303         }
1304         kcontrol->private_value = (long)c;
1305         mutex_unlock(&codec->spdif_mutex);
1306         return err < 0 ? err : change;
1307 }
1308
1309 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1310                            unsigned int size, unsigned int __user *tlv)
1311 {
1312         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1313         struct hda_bind_ctls *c;
1314         int err;
1315
1316         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1317         c = (struct hda_bind_ctls *)kcontrol->private_value;
1318         kcontrol->private_value = *c->values;
1319         err = c->ops->tlv(kcontrol, op_flag, size, tlv);
1320         kcontrol->private_value = (long)c;
1321         mutex_unlock(&codec->spdif_mutex);
1322         return err;
1323 }
1324
1325 struct hda_ctl_ops snd_hda_bind_vol = {
1326         .info = snd_hda_mixer_amp_volume_info,
1327         .get = snd_hda_mixer_amp_volume_get,
1328         .put = snd_hda_mixer_amp_volume_put,
1329         .tlv = snd_hda_mixer_amp_tlv
1330 };
1331
1332 struct hda_ctl_ops snd_hda_bind_sw = {
1333         .info = snd_hda_mixer_amp_switch_info,
1334         .get = snd_hda_mixer_amp_switch_get,
1335         .put = snd_hda_mixer_amp_switch_put,
1336         .tlv = snd_hda_mixer_amp_tlv
1337 };
1338
1339 /*
1340  * SPDIF out controls
1341  */
1342
1343 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
1344                                    struct snd_ctl_elem_info *uinfo)
1345 {
1346         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1347         uinfo->count = 1;
1348         return 0;
1349 }
1350
1351 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
1352                                    struct snd_ctl_elem_value *ucontrol)
1353 {
1354         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1355                                            IEC958_AES0_NONAUDIO |
1356                                            IEC958_AES0_CON_EMPHASIS_5015 |
1357                                            IEC958_AES0_CON_NOT_COPYRIGHT;
1358         ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
1359                                            IEC958_AES1_CON_ORIGINAL;
1360         return 0;
1361 }
1362
1363 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
1364                                    struct snd_ctl_elem_value *ucontrol)
1365 {
1366         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1367                                            IEC958_AES0_NONAUDIO |
1368                                            IEC958_AES0_PRO_EMPHASIS_5015;
1369         return 0;
1370 }
1371
1372 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
1373                                      struct snd_ctl_elem_value *ucontrol)
1374 {
1375         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1376
1377         ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff;
1378         ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff;
1379         ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff;
1380         ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff;
1381
1382         return 0;
1383 }
1384
1385 /* convert from SPDIF status bits to HDA SPDIF bits
1386  * bit 0 (DigEn) is always set zero (to be filled later)
1387  */
1388 static unsigned short convert_from_spdif_status(unsigned int sbits)
1389 {
1390         unsigned short val = 0;
1391
1392         if (sbits & IEC958_AES0_PROFESSIONAL)
1393                 val |= AC_DIG1_PROFESSIONAL;
1394         if (sbits & IEC958_AES0_NONAUDIO)
1395                 val |= AC_DIG1_NONAUDIO;
1396         if (sbits & IEC958_AES0_PROFESSIONAL) {
1397                 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
1398                     IEC958_AES0_PRO_EMPHASIS_5015)
1399                         val |= AC_DIG1_EMPHASIS;
1400         } else {
1401                 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
1402                     IEC958_AES0_CON_EMPHASIS_5015)
1403                         val |= AC_DIG1_EMPHASIS;
1404                 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
1405                         val |= AC_DIG1_COPYRIGHT;
1406                 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
1407                         val |= AC_DIG1_LEVEL;
1408                 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
1409         }
1410         return val;
1411 }
1412
1413 /* convert to SPDIF status bits from HDA SPDIF bits
1414  */
1415 static unsigned int convert_to_spdif_status(unsigned short val)
1416 {
1417         unsigned int sbits = 0;
1418
1419         if (val & AC_DIG1_NONAUDIO)
1420                 sbits |= IEC958_AES0_NONAUDIO;
1421         if (val & AC_DIG1_PROFESSIONAL)
1422                 sbits |= IEC958_AES0_PROFESSIONAL;
1423         if (sbits & IEC958_AES0_PROFESSIONAL) {
1424                 if (sbits & AC_DIG1_EMPHASIS)
1425                         sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
1426         } else {
1427                 if (val & AC_DIG1_EMPHASIS)
1428                         sbits |= IEC958_AES0_CON_EMPHASIS_5015;
1429                 if (!(val & AC_DIG1_COPYRIGHT))
1430                         sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
1431                 if (val & AC_DIG1_LEVEL)
1432                         sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
1433                 sbits |= val & (0x7f << 8);
1434         }
1435         return sbits;
1436 }
1437
1438 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
1439                                      struct snd_ctl_elem_value *ucontrol)
1440 {
1441         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1442         hda_nid_t nid = kcontrol->private_value;
1443         unsigned short val;
1444         int change;
1445
1446         mutex_lock(&codec->spdif_mutex);
1447         codec->spdif_status = ucontrol->value.iec958.status[0] |
1448                 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
1449                 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
1450                 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
1451         val = convert_from_spdif_status(codec->spdif_status);
1452         val |= codec->spdif_ctls & 1;
1453         change = codec->spdif_ctls != val;
1454         codec->spdif_ctls = val;
1455
1456         if (change) {
1457                 hda_nid_t *d;
1458                 snd_hda_codec_write_cache(codec, nid, 0,
1459                                           AC_VERB_SET_DIGI_CONVERT_1,
1460                                           val & 0xff);
1461                 snd_hda_codec_write_cache(codec, nid, 0,
1462                                           AC_VERB_SET_DIGI_CONVERT_2,
1463                                           val >> 8);
1464
1465                 for (d = codec->slave_dig_outs; *d; d++) {
1466                         snd_hda_codec_write_cache(codec, *d, 0,
1467                                           AC_VERB_SET_DIGI_CONVERT_1,
1468                                           val & 0xff);
1469                         snd_hda_codec_write_cache(codec, *d, 0,
1470                                           AC_VERB_SET_DIGI_CONVERT_2,
1471                                           val >> 8);
1472                 }
1473         }
1474
1475         mutex_unlock(&codec->spdif_mutex);
1476         return change;
1477 }
1478
1479 #define snd_hda_spdif_out_switch_info   snd_ctl_boolean_mono_info
1480
1481 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
1482                                         struct snd_ctl_elem_value *ucontrol)
1483 {
1484         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1485
1486         ucontrol->value.integer.value[0] = codec->spdif_ctls & AC_DIG1_ENABLE;
1487         return 0;
1488 }
1489
1490 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
1491                                         struct snd_ctl_elem_value *ucontrol)
1492 {
1493         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1494         hda_nid_t nid = kcontrol->private_value;
1495         unsigned short val;
1496         int change;
1497
1498         mutex_lock(&codec->spdif_mutex);
1499         val = codec->spdif_ctls & ~AC_DIG1_ENABLE;
1500         if (ucontrol->value.integer.value[0])
1501                 val |= AC_DIG1_ENABLE;
1502         change = codec->spdif_ctls != val;
1503         if (change) {
1504                 hda_nid_t *d;
1505                 codec->spdif_ctls = val;
1506                 snd_hda_codec_write_cache(codec, nid, 0,
1507                                           AC_VERB_SET_DIGI_CONVERT_1,
1508                                           val & 0xff);
1509
1510                 for (d = codec->slave_dig_outs; *d; d++)
1511                         snd_hda_codec_write_cache(codec, *d, 0,
1512                                           AC_VERB_SET_DIGI_CONVERT_1,
1513                                           val & 0xff);
1514                 /* unmute amp switch (if any) */
1515                 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
1516                     (val & AC_DIG1_ENABLE))
1517                         snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
1518                                                  HDA_AMP_MUTE, 0);
1519         }
1520         mutex_unlock(&codec->spdif_mutex);
1521         return change;
1522 }
1523
1524 static struct snd_kcontrol_new dig_mixes[] = {
1525         {
1526                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1527                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1528                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1529                 .info = snd_hda_spdif_mask_info,
1530                 .get = snd_hda_spdif_cmask_get,
1531         },
1532         {
1533                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1534                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1535                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1536                 .info = snd_hda_spdif_mask_info,
1537                 .get = snd_hda_spdif_pmask_get,
1538         },
1539         {
1540                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1541                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1542                 .info = snd_hda_spdif_mask_info,
1543                 .get = snd_hda_spdif_default_get,
1544                 .put = snd_hda_spdif_default_put,
1545         },
1546         {
1547                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1548                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1549                 .info = snd_hda_spdif_out_switch_info,
1550                 .get = snd_hda_spdif_out_switch_get,
1551                 .put = snd_hda_spdif_out_switch_put,
1552         },
1553         { } /* end */
1554 };
1555
1556 #define SPDIF_MAX_IDX   4       /* 4 instances should be enough to probe */
1557
1558 /**
1559  * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1560  * @codec: the HDA codec
1561  * @nid: audio out widget NID
1562  *
1563  * Creates controls related with the SPDIF output.
1564  * Called from each patch supporting the SPDIF out.
1565  *
1566  * Returns 0 if successful, or a negative error code.
1567  */
1568 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid)
1569 {
1570         int err;
1571         struct snd_kcontrol *kctl;
1572         struct snd_kcontrol_new *dig_mix;
1573         int idx;
1574
1575         for (idx = 0; idx < SPDIF_MAX_IDX; idx++) {
1576                 if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Playback Switch",
1577                                              idx))
1578                         break;
1579         }
1580         if (idx >= SPDIF_MAX_IDX) {
1581                 printk(KERN_ERR "hda_codec: too many IEC958 outputs\n");
1582                 return -EBUSY;
1583         }
1584         for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
1585                 kctl = snd_ctl_new1(dig_mix, codec);
1586                 kctl->id.index = idx;
1587                 kctl->private_value = nid;
1588                 err = snd_ctl_add(codec->bus->card, kctl);
1589                 if (err < 0)
1590                         return err;
1591         }
1592         codec->spdif_ctls =
1593                 snd_hda_codec_read(codec, nid, 0,
1594                                    AC_VERB_GET_DIGI_CONVERT_1, 0);
1595         codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
1596         return 0;
1597 }
1598
1599 /*
1600  * SPDIF sharing with analog output
1601  */
1602 static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
1603                               struct snd_ctl_elem_value *ucontrol)
1604 {
1605         struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
1606         ucontrol->value.integer.value[0] = mout->share_spdif;
1607         return 0;
1608 }
1609
1610 static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
1611                               struct snd_ctl_elem_value *ucontrol)
1612 {
1613         struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
1614         mout->share_spdif = !!ucontrol->value.integer.value[0];
1615         return 0;
1616 }
1617
1618 static struct snd_kcontrol_new spdif_share_sw = {
1619         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1620         .name = "IEC958 Default PCM Playback Switch",
1621         .info = snd_ctl_boolean_mono_info,
1622         .get = spdif_share_sw_get,
1623         .put = spdif_share_sw_put,
1624 };
1625
1626 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
1627                                   struct hda_multi_out *mout)
1628 {
1629         if (!mout->dig_out_nid)
1630                 return 0;
1631         /* ATTENTION: here mout is passed as private_data, instead of codec */
1632         return snd_ctl_add(codec->bus->card,
1633                            snd_ctl_new1(&spdif_share_sw, mout));
1634 }
1635
1636 /*
1637  * SPDIF input
1638  */
1639
1640 #define snd_hda_spdif_in_switch_info    snd_hda_spdif_out_switch_info
1641
1642 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
1643                                        struct snd_ctl_elem_value *ucontrol)
1644 {
1645         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1646
1647         ucontrol->value.integer.value[0] = codec->spdif_in_enable;
1648         return 0;
1649 }
1650
1651 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
1652                                        struct snd_ctl_elem_value *ucontrol)
1653 {
1654         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1655         hda_nid_t nid = kcontrol->private_value;
1656         unsigned int val = !!ucontrol->value.integer.value[0];
1657         int change;
1658
1659         mutex_lock(&codec->spdif_mutex);
1660         change = codec->spdif_in_enable != val;
1661         if (change) {
1662                 hda_nid_t *d;
1663                 codec->spdif_in_enable = val;
1664                 snd_hda_codec_write_cache(codec, nid, 0,
1665                                           AC_VERB_SET_DIGI_CONVERT_1, val);
1666
1667                 for (d = codec->slave_dig_outs; *d; d++)
1668                         snd_hda_codec_write_cache(codec, *d, 0,
1669                                           AC_VERB_SET_DIGI_CONVERT_1, val);
1670         }
1671         mutex_unlock(&codec->spdif_mutex);
1672         return change;
1673 }
1674
1675 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
1676                                        struct snd_ctl_elem_value *ucontrol)
1677 {
1678         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1679         hda_nid_t nid = kcontrol->private_value;
1680         unsigned short val;
1681         unsigned int sbits;
1682
1683         val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT_1, 0);
1684         sbits = convert_to_spdif_status(val);
1685         ucontrol->value.iec958.status[0] = sbits;
1686         ucontrol->value.iec958.status[1] = sbits >> 8;
1687         ucontrol->value.iec958.status[2] = sbits >> 16;
1688         ucontrol->value.iec958.status[3] = sbits >> 24;
1689         return 0;
1690 }
1691
1692 static struct snd_kcontrol_new dig_in_ctls[] = {
1693         {
1694                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1695                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
1696                 .info = snd_hda_spdif_in_switch_info,
1697                 .get = snd_hda_spdif_in_switch_get,
1698                 .put = snd_hda_spdif_in_switch_put,
1699         },
1700         {
1701                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1702                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1703                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1704                 .info = snd_hda_spdif_mask_info,
1705                 .get = snd_hda_spdif_in_status_get,
1706         },
1707         { } /* end */
1708 };
1709
1710 /**
1711  * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1712  * @codec: the HDA codec
1713  * @nid: audio in widget NID
1714  *
1715  * Creates controls related with the SPDIF input.
1716  * Called from each patch supporting the SPDIF in.
1717  *
1718  * Returns 0 if successful, or a negative error code.
1719  */
1720 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
1721 {
1722         int err;
1723         struct snd_kcontrol *kctl;
1724         struct snd_kcontrol_new *dig_mix;
1725         int idx;
1726
1727         for (idx = 0; idx < SPDIF_MAX_IDX; idx++) {
1728                 if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Capture Switch",
1729                                              idx))
1730                         break;
1731         }
1732         if (idx >= SPDIF_MAX_IDX) {
1733                 printk(KERN_ERR "hda_codec: too many IEC958 inputs\n");
1734                 return -EBUSY;
1735         }
1736         for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
1737                 kctl = snd_ctl_new1(dig_mix, codec);
1738                 kctl->private_value = nid;
1739                 err = snd_ctl_add(codec->bus->card, kctl);
1740                 if (err < 0)
1741                         return err;
1742         }
1743         codec->spdif_in_enable =
1744                 snd_hda_codec_read(codec, nid, 0,
1745                                    AC_VERB_GET_DIGI_CONVERT_1, 0) &
1746                 AC_DIG1_ENABLE;
1747         return 0;
1748 }
1749
1750 #ifdef SND_HDA_NEEDS_RESUME
1751 /*
1752  * command cache
1753  */
1754
1755 /* build a 32bit cache key with the widget id and the command parameter */
1756 #define build_cmd_cache_key(nid, verb)  ((verb << 8) | nid)
1757 #define get_cmd_cache_nid(key)          ((key) & 0xff)
1758 #define get_cmd_cache_cmd(key)          (((key) >> 8) & 0xffff)
1759
1760 /**
1761  * snd_hda_codec_write_cache - send a single command with caching
1762  * @codec: the HDA codec
1763  * @nid: NID to send the command
1764  * @direct: direct flag
1765  * @verb: the verb to send
1766  * @parm: the parameter for the verb
1767  *
1768  * Send a single command without waiting for response.
1769  *
1770  * Returns 0 if successful, or a negative error code.
1771  */
1772 int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
1773                               int direct, unsigned int verb, unsigned int parm)
1774 {
1775         int err;
1776         snd_hda_power_up(codec);
1777         mutex_lock(&codec->bus->cmd_mutex);
1778         err = codec->bus->ops.command(codec, nid, direct, verb, parm);
1779         if (!err) {
1780                 struct hda_cache_head *c;
1781                 u32 key = build_cmd_cache_key(nid, verb);
1782                 c = get_alloc_hash(&codec->cmd_cache, key);
1783                 if (c)
1784                         c->val = parm;
1785         }
1786         mutex_unlock(&codec->bus->cmd_mutex);
1787         snd_hda_power_down(codec);
1788         return err;
1789 }
1790
1791 /* resume the all commands from the cache */
1792 void snd_hda_codec_resume_cache(struct hda_codec *codec)
1793 {
1794         struct hda_cache_head *buffer = codec->cmd_cache.buffer;
1795         int i;
1796
1797         for (i = 0; i < codec->cmd_cache.size; i++, buffer++) {
1798                 u32 key = buffer->key;
1799                 if (!key)
1800                         continue;
1801                 snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0,
1802                                     get_cmd_cache_cmd(key), buffer->val);
1803         }
1804 }
1805
1806 /**
1807  * snd_hda_sequence_write_cache - sequence writes with caching
1808  * @codec: the HDA codec
1809  * @seq: VERB array to send
1810  *
1811  * Send the commands sequentially from the given array.
1812  * Thte commands are recorded on cache for power-save and resume.
1813  * The array must be terminated with NID=0.
1814  */
1815 void snd_hda_sequence_write_cache(struct hda_codec *codec,
1816                                   const struct hda_verb *seq)
1817 {
1818         for (; seq->nid; seq++)
1819                 snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb,
1820                                           seq->param);
1821 }
1822 #endif /* SND_HDA_NEEDS_RESUME */
1823
1824 /*
1825  * set power state of the codec
1826  */
1827 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
1828                                 unsigned int power_state)
1829 {
1830         hda_nid_t nid;
1831         int i;
1832
1833         snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE,
1834                             power_state);
1835         msleep(10); /* partial workaround for "azx_get_response timeout" */
1836
1837         nid = codec->start_nid;
1838         for (i = 0; i < codec->num_nodes; i++, nid++) {
1839                 unsigned int wcaps = get_wcaps(codec, nid);
1840                 if (wcaps & AC_WCAP_POWER) {
1841                         unsigned int wid_type = (wcaps & AC_WCAP_TYPE) >>
1842                                 AC_WCAP_TYPE_SHIFT;
1843                         if (wid_type == AC_WID_PIN) {
1844                                 unsigned int pincap;
1845                                 /*
1846                                  * don't power down the widget if it controls
1847                                  * eapd and EAPD_BTLENABLE is set.
1848                                  */
1849                                 pincap = snd_hda_param_read(codec, nid,
1850                                                             AC_PAR_PIN_CAP);
1851                                 if (pincap & AC_PINCAP_EAPD) {
1852                                         int eapd = snd_hda_codec_read(codec,
1853                                                 nid, 0,
1854                                                 AC_VERB_GET_EAPD_BTLENABLE, 0);
1855                                         eapd &= 0x02;
1856                                         if (power_state == AC_PWRST_D3 && eapd)
1857                                                 continue;
1858                                 }
1859                         }
1860                         snd_hda_codec_write(codec, nid, 0,
1861                                             AC_VERB_SET_POWER_STATE,
1862                                             power_state);
1863                 }
1864         }
1865
1866         if (power_state == AC_PWRST_D0) {
1867                 unsigned long end_time;
1868                 int state;
1869                 msleep(10);
1870                 /* wait until the codec reachs to D0 */
1871                 end_time = jiffies + msecs_to_jiffies(500);
1872                 do {
1873                         state = snd_hda_codec_read(codec, fg, 0,
1874                                                    AC_VERB_GET_POWER_STATE, 0);
1875                         if (state == power_state)
1876                                 break;
1877                         msleep(1);
1878                 } while (time_after_eq(end_time, jiffies));
1879         }
1880 }
1881
1882 #ifdef SND_HDA_NEEDS_RESUME
1883 /*
1884  * call suspend and power-down; used both from PM and power-save
1885  */
1886 static void hda_call_codec_suspend(struct hda_codec *codec)
1887 {
1888         if (codec->patch_ops.suspend)
1889                 codec->patch_ops.suspend(codec, PMSG_SUSPEND);
1890         hda_set_power_state(codec,
1891                             codec->afg ? codec->afg : codec->mfg,
1892                             AC_PWRST_D3);
1893 #ifdef CONFIG_SND_HDA_POWER_SAVE
1894         cancel_delayed_work(&codec->power_work);
1895         codec->power_on = 0;
1896         codec->power_transition = 0;
1897 #endif
1898 }
1899
1900 /*
1901  * kick up codec; used both from PM and power-save
1902  */
1903 static void hda_call_codec_resume(struct hda_codec *codec)
1904 {
1905         hda_set_power_state(codec,
1906                             codec->afg ? codec->afg : codec->mfg,
1907                             AC_PWRST_D0);
1908         if (codec->patch_ops.resume)
1909                 codec->patch_ops.resume(codec);
1910         else {
1911                 if (codec->patch_ops.init)
1912                         codec->patch_ops.init(codec);
1913                 snd_hda_codec_resume_amp(codec);
1914                 snd_hda_codec_resume_cache(codec);
1915         }
1916 }
1917 #endif /* SND_HDA_NEEDS_RESUME */
1918
1919
1920 /**
1921  * snd_hda_build_controls - build mixer controls
1922  * @bus: the BUS
1923  *
1924  * Creates mixer controls for each codec included in the bus.
1925  *
1926  * Returns 0 if successful, otherwise a negative error code.
1927  */
1928 int __devinit snd_hda_build_controls(struct hda_bus *bus)
1929 {
1930         struct hda_codec *codec;
1931
1932         list_for_each_entry(codec, &bus->codec_list, list) {
1933                 int err = 0;
1934                 /* fake as if already powered-on */
1935                 hda_keep_power_on(codec);
1936                 /* then fire up */
1937                 hda_set_power_state(codec,
1938                                     codec->afg ? codec->afg : codec->mfg,
1939                                     AC_PWRST_D0);
1940                 /* continue to initialize... */
1941                 if (codec->patch_ops.init)
1942                         err = codec->patch_ops.init(codec);
1943                 if (!err && codec->patch_ops.build_controls)
1944                         err = codec->patch_ops.build_controls(codec);
1945                 snd_hda_power_down(codec);
1946                 if (err < 0)
1947                         return err;
1948         }
1949
1950         return 0;
1951 }
1952
1953 /*
1954  * stream formats
1955  */
1956 struct hda_rate_tbl {
1957         unsigned int hz;
1958         unsigned int alsa_bits;
1959         unsigned int hda_fmt;
1960 };
1961
1962 static struct hda_rate_tbl rate_bits[] = {
1963         /* rate in Hz, ALSA rate bitmask, HDA format value */
1964
1965         /* autodetected value used in snd_hda_query_supported_pcm */
1966         { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
1967         { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
1968         { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
1969         { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
1970         { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
1971         { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
1972         { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
1973         { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
1974         { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
1975         { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
1976         { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
1977 #define AC_PAR_PCM_RATE_BITS    11
1978         /* up to bits 10, 384kHZ isn't supported properly */
1979
1980         /* not autodetected value */
1981         { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
1982
1983         { 0 } /* terminator */
1984 };
1985
1986 /**
1987  * snd_hda_calc_stream_format - calculate format bitset
1988  * @rate: the sample rate
1989  * @channels: the number of channels
1990  * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
1991  * @maxbps: the max. bps
1992  *
1993  * Calculate the format bitset from the given rate, channels and th PCM format.
1994  *
1995  * Return zero if invalid.
1996  */
1997 unsigned int snd_hda_calc_stream_format(unsigned int rate,
1998                                         unsigned int channels,
1999                                         unsigned int format,
2000                                         unsigned int maxbps)
2001 {
2002         int i;
2003         unsigned int val = 0;
2004
2005         for (i = 0; rate_bits[i].hz; i++)
2006                 if (rate_bits[i].hz == rate) {
2007                         val = rate_bits[i].hda_fmt;
2008                         break;
2009                 }
2010         if (!rate_bits[i].hz) {
2011                 snd_printdd("invalid rate %d\n", rate);
2012                 return 0;
2013         }
2014
2015         if (channels == 0 || channels > 8) {
2016                 snd_printdd("invalid channels %d\n", channels);
2017                 return 0;
2018         }
2019         val |= channels - 1;
2020
2021         switch (snd_pcm_format_width(format)) {
2022         case 8:  val |= 0x00; break;
2023         case 16: val |= 0x10; break;
2024         case 20:
2025         case 24:
2026         case 32:
2027                 if (maxbps >= 32)
2028                         val |= 0x40;
2029                 else if (maxbps >= 24)
2030                         val |= 0x30;
2031                 else
2032                         val |= 0x20;
2033                 break;
2034         default:
2035                 snd_printdd("invalid format width %d\n",
2036                             snd_pcm_format_width(format));
2037                 return 0;
2038         }
2039
2040         return val;
2041 }
2042
2043 /**
2044  * snd_hda_query_supported_pcm - query the supported PCM rates and formats
2045  * @codec: the HDA codec
2046  * @nid: NID to query
2047  * @ratesp: the pointer to store the detected rate bitflags
2048  * @formatsp: the pointer to store the detected formats
2049  * @bpsp: the pointer to store the detected format widths
2050  *
2051  * Queries the supported PCM rates and formats.  The NULL @ratesp, @formatsp
2052  * or @bsps argument is ignored.
2053  *
2054  * Returns 0 if successful, otherwise a negative error code.
2055  */
2056 int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
2057                                 u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
2058 {
2059         int i;
2060         unsigned int val, streams;
2061
2062         val = 0;
2063         if (nid != codec->afg &&
2064             (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
2065                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
2066                 if (val == -1)
2067                         return -EIO;
2068         }
2069         if (!val)
2070                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
2071
2072         if (ratesp) {
2073                 u32 rates = 0;
2074                 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) {
2075                         if (val & (1 << i))
2076                                 rates |= rate_bits[i].alsa_bits;
2077                 }
2078                 *ratesp = rates;
2079         }
2080
2081         if (formatsp || bpsp) {
2082                 u64 formats = 0;
2083                 unsigned int bps;
2084                 unsigned int wcaps;
2085
2086                 wcaps = get_wcaps(codec, nid);
2087                 streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
2088                 if (streams == -1)
2089                         return -EIO;
2090                 if (!streams) {
2091                         streams = snd_hda_param_read(codec, codec->afg,
2092                                                      AC_PAR_STREAM);
2093                         if (streams == -1)
2094                                 return -EIO;
2095                 }
2096
2097                 bps = 0;
2098                 if (streams & AC_SUPFMT_PCM) {
2099                         if (val & AC_SUPPCM_BITS_8) {
2100                                 formats |= SNDRV_PCM_FMTBIT_U8;
2101                                 bps = 8;
2102                         }
2103                         if (val & AC_SUPPCM_BITS_16) {
2104                                 formats |= SNDRV_PCM_FMTBIT_S16_LE;
2105                                 bps = 16;
2106                         }
2107                         if (wcaps & AC_WCAP_DIGITAL) {
2108                                 if (val & AC_SUPPCM_BITS_32)
2109                                         formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
2110                                 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
2111                                         formats |= SNDRV_PCM_FMTBIT_S32_LE;
2112                                 if (val & AC_SUPPCM_BITS_24)
2113                                         bps = 24;
2114                                 else if (val & AC_SUPPCM_BITS_20)
2115                                         bps = 20;
2116                         } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|
2117                                           AC_SUPPCM_BITS_32)) {
2118                                 formats |= SNDRV_PCM_FMTBIT_S32_LE;
2119                                 if (val & AC_SUPPCM_BITS_32)
2120                                         bps = 32;
2121                                 else if (val & AC_SUPPCM_BITS_24)
2122                                         bps = 24;
2123                                 else if (val & AC_SUPPCM_BITS_20)
2124                                         bps = 20;
2125                         }
2126                 }
2127                 else if (streams == AC_SUPFMT_FLOAT32) {
2128                         /* should be exclusive */
2129                         formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
2130                         bps = 32;
2131                 } else if (streams == AC_SUPFMT_AC3) {
2132                         /* should be exclusive */
2133                         /* temporary hack: we have still no proper support
2134                          * for the direct AC3 stream...
2135                          */
2136                         formats |= SNDRV_PCM_FMTBIT_U8;
2137                         bps = 8;
2138                 }
2139                 if (formatsp)
2140                         *formatsp = formats;
2141                 if (bpsp)
2142                         *bpsp = bps;
2143         }
2144
2145         return 0;
2146 }
2147
2148 /**
2149  * snd_hda_is_supported_format - check whether the given node supports
2150  * the format val
2151  *
2152  * Returns 1 if supported, 0 if not.
2153  */
2154 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
2155                                 unsigned int format)
2156 {
2157         int i;
2158         unsigned int val = 0, rate, stream;
2159
2160         if (nid != codec->afg &&
2161             (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
2162                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
2163                 if (val == -1)
2164                         return 0;
2165         }
2166         if (!val) {
2167                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
2168                 if (val == -1)
2169                         return 0;
2170         }
2171
2172         rate = format & 0xff00;
2173         for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)
2174                 if (rate_bits[i].hda_fmt == rate) {
2175                         if (val & (1 << i))
2176                                 break;
2177                         return 0;
2178                 }
2179         if (i >= AC_PAR_PCM_RATE_BITS)
2180                 return 0;
2181
2182         stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
2183         if (stream == -1)
2184                 return 0;
2185         if (!stream && nid != codec->afg)
2186                 stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
2187         if (!stream || stream == -1)
2188                 return 0;
2189
2190         if (stream & AC_SUPFMT_PCM) {
2191                 switch (format & 0xf0) {
2192                 case 0x00:
2193                         if (!(val & AC_SUPPCM_BITS_8))
2194                                 return 0;
2195                         break;
2196                 case 0x10:
2197                         if (!(val & AC_SUPPCM_BITS_16))
2198                                 return 0;
2199                         break;
2200                 case 0x20:
2201                         if (!(val & AC_SUPPCM_BITS_20))
2202                                 return 0;
2203                         break;
2204                 case 0x30:
2205                         if (!(val & AC_SUPPCM_BITS_24))
2206                                 return 0;
2207                         break;
2208                 case 0x40:
2209                         if (!(val & AC_SUPPCM_BITS_32))
2210                                 return 0;
2211                         break;
2212                 default:
2213                         return 0;
2214                 }
2215         } else {
2216                 /* FIXME: check for float32 and AC3? */
2217         }
2218
2219         return 1;
2220 }
2221
2222 /*
2223  * PCM stuff
2224  */
2225 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
2226                                       struct hda_codec *codec,
2227                                       struct snd_pcm_substream *substream)
2228 {
2229         return 0;
2230 }
2231
2232 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
2233                                    struct hda_codec *codec,
2234                                    unsigned int stream_tag,
2235                                    unsigned int format,
2236                                    struct snd_pcm_substream *substream)
2237 {
2238         snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
2239         return 0;
2240 }
2241
2242 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
2243                                    struct hda_codec *codec,
2244                                    struct snd_pcm_substream *substream)
2245 {
2246         snd_hda_codec_cleanup_stream(codec, hinfo->nid);
2247         return 0;
2248 }
2249
2250 static int __devinit set_pcm_default_values(struct hda_codec *codec,
2251                                             struct hda_pcm_stream *info)
2252 {
2253         /* query support PCM information from the given NID */
2254         if (info->nid && (!info->rates || !info->formats)) {
2255                 snd_hda_query_supported_pcm(codec, info->nid,
2256                                 info->rates ? NULL : &info->rates,
2257                                 info->formats ? NULL : &info->formats,
2258                                 info->maxbps ? NULL : &info->maxbps);
2259         }
2260         if (info->ops.open == NULL)
2261                 info->ops.open = hda_pcm_default_open_close;
2262         if (info->ops.close == NULL)
2263                 info->ops.close = hda_pcm_default_open_close;
2264         if (info->ops.prepare == NULL) {
2265                 if (snd_BUG_ON(!info->nid))
2266                         return -EINVAL;
2267                 info->ops.prepare = hda_pcm_default_prepare;
2268         }
2269         if (info->ops.cleanup == NULL) {
2270                 if (snd_BUG_ON(!info->nid))
2271                         return -EINVAL;
2272                 info->ops.cleanup = hda_pcm_default_cleanup;
2273         }
2274         return 0;
2275 }
2276
2277 /**
2278  * snd_hda_build_pcms - build PCM information
2279  * @bus: the BUS
2280  *
2281  * Create PCM information for each codec included in the bus.
2282  *
2283  * The build_pcms codec patch is requested to set up codec->num_pcms and
2284  * codec->pcm_info properly.  The array is referred by the top-level driver
2285  * to create its PCM instances.
2286  * The allocated codec->pcm_info should be released in codec->patch_ops.free
2287  * callback.
2288  *
2289  * At least, substreams, channels_min and channels_max must be filled for
2290  * each stream.  substreams = 0 indicates that the stream doesn't exist.
2291  * When rates and/or formats are zero, the supported values are queried
2292  * from the given nid.  The nid is used also by the default ops.prepare
2293  * and ops.cleanup callbacks.
2294  *
2295  * The driver needs to call ops.open in its open callback.  Similarly,
2296  * ops.close is supposed to be called in the close callback.
2297  * ops.prepare should be called in the prepare or hw_params callback
2298  * with the proper parameters for set up.
2299  * ops.cleanup should be called in hw_free for clean up of streams.
2300  *
2301  * This function returns 0 if successfull, or a negative error code.
2302  */
2303 int __devinit snd_hda_build_pcms(struct hda_bus *bus)
2304 {
2305         struct hda_codec *codec;
2306
2307         list_for_each_entry(codec, &bus->codec_list, list) {
2308                 unsigned int pcm, s;
2309                 int err;
2310                 if (!codec->patch_ops.build_pcms)
2311                         continue;
2312                 err = codec->patch_ops.build_pcms(codec);
2313                 if (err < 0)
2314                         return err;
2315                 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
2316                         for (s = 0; s < 2; s++) {
2317                                 struct hda_pcm_stream *info;
2318                                 info = &codec->pcm_info[pcm].stream[s];
2319                                 if (!info->substreams)
2320                                         continue;
2321                                 err = set_pcm_default_values(codec, info);
2322                                 if (err < 0)
2323                                         return err;
2324                         }
2325                 }
2326         }
2327         return 0;
2328 }
2329
2330 /**
2331  * snd_hda_check_board_config - compare the current codec with the config table
2332  * @codec: the HDA codec
2333  * @num_configs: number of config enums
2334  * @models: array of model name strings
2335  * @tbl: configuration table, terminated by null entries
2336  *
2337  * Compares the modelname or PCI subsystem id of the current codec with the
2338  * given configuration table.  If a matching entry is found, returns its
2339  * config value (supposed to be 0 or positive).
2340  *
2341  * If no entries are matching, the function returns a negative value.
2342  */
2343 int snd_hda_check_board_config(struct hda_codec *codec,
2344                                int num_configs, const char **models,
2345                                const struct snd_pci_quirk *tbl)
2346 {
2347         if (codec->bus->modelname && models) {
2348                 int i;
2349                 for (i = 0; i < num_configs; i++) {
2350                         if (models[i] &&
2351                             !strcmp(codec->bus->modelname, models[i])) {
2352                                 snd_printd(KERN_INFO "hda_codec: model '%s' is "
2353                                            "selected\n", models[i]);
2354                                 return i;
2355                         }
2356                 }
2357         }
2358
2359         if (!codec->bus->pci || !tbl)
2360                 return -1;
2361
2362         tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl);
2363         if (!tbl)
2364                 return -1;
2365         if (tbl->value >= 0 && tbl->value < num_configs) {
2366 #ifdef CONFIG_SND_DEBUG_VERBOSE
2367                 char tmp[10];
2368                 const char *model = NULL;
2369                 if (models)
2370                         model = models[tbl->value];
2371                 if (!model) {
2372                         sprintf(tmp, "#%d", tbl->value);
2373                         model = tmp;
2374                 }
2375                 snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
2376                             "for config %x:%x (%s)\n",
2377                             model, tbl->subvendor, tbl->subdevice,
2378                             (tbl->name ? tbl->name : "Unknown device"));
2379 #endif
2380                 return tbl->value;
2381         }
2382         return -1;
2383 }
2384
2385 /**
2386  * snd_hda_add_new_ctls - create controls from the array
2387  * @codec: the HDA codec
2388  * @knew: the array of struct snd_kcontrol_new
2389  *
2390  * This helper function creates and add new controls in the given array.
2391  * The array must be terminated with an empty entry as terminator.
2392  *
2393  * Returns 0 if successful, or a negative error code.
2394  */
2395 int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
2396 {
2397         int err;
2398
2399         for (; knew->name; knew++) {
2400                 struct snd_kcontrol *kctl;
2401                 kctl = snd_ctl_new1(knew, codec);
2402                 if (!kctl)
2403                         return -ENOMEM;
2404                 err = snd_ctl_add(codec->bus->card, kctl);
2405                 if (err < 0) {
2406                         if (!codec->addr)
2407                                 return err;
2408                         kctl = snd_ctl_new1(knew, codec);
2409                         if (!kctl)
2410                                 return -ENOMEM;
2411                         kctl->id.device = codec->addr;
2412                         err = snd_ctl_add(codec->bus->card, kctl);
2413                         if (err < 0)
2414                                 return err;
2415                 }
2416         }
2417         return 0;
2418 }
2419
2420 #ifdef CONFIG_SND_HDA_POWER_SAVE
2421 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2422                                 unsigned int power_state);
2423
2424 static void hda_power_work(struct work_struct *work)
2425 {
2426         struct hda_codec *codec =
2427                 container_of(work, struct hda_codec, power_work.work);
2428
2429         if (!codec->power_on || codec->power_count) {
2430                 codec->power_transition = 0;
2431                 return;
2432         }
2433
2434         hda_call_codec_suspend(codec);
2435         if (codec->bus->ops.pm_notify)
2436                 codec->bus->ops.pm_notify(codec);
2437 }
2438
2439 static void hda_keep_power_on(struct hda_codec *codec)
2440 {
2441         codec->power_count++;
2442         codec->power_on = 1;
2443 }
2444
2445 void snd_hda_power_up(struct hda_codec *codec)
2446 {
2447         codec->power_count++;
2448         if (codec->power_on || codec->power_transition)
2449                 return;
2450
2451         codec->power_on = 1;
2452         if (codec->bus->ops.pm_notify)
2453                 codec->bus->ops.pm_notify(codec);
2454         hda_call_codec_resume(codec);
2455         cancel_delayed_work(&codec->power_work);
2456         codec->power_transition = 0;
2457 }
2458
2459 void snd_hda_power_down(struct hda_codec *codec)
2460 {
2461         --codec->power_count;
2462         if (!codec->power_on || codec->power_count || codec->power_transition)
2463                 return;
2464         if (power_save) {
2465                 codec->power_transition = 1; /* avoid reentrance */
2466                 schedule_delayed_work(&codec->power_work,
2467                                       msecs_to_jiffies(power_save * 1000));
2468         }
2469 }
2470
2471 int snd_hda_check_amp_list_power(struct hda_codec *codec,
2472                                  struct hda_loopback_check *check,
2473                                  hda_nid_t nid)
2474 {
2475         struct hda_amp_list *p;
2476         int ch, v;
2477
2478         if (!check->amplist)
2479                 return 0;
2480         for (p = check->amplist; p->nid; p++) {
2481                 if (p->nid == nid)
2482                         break;
2483         }
2484         if (!p->nid)
2485                 return 0; /* nothing changed */
2486
2487         for (p = check->amplist; p->nid; p++) {
2488                 for (ch = 0; ch < 2; ch++) {
2489                         v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
2490                                                    p->idx);
2491                         if (!(v & HDA_AMP_MUTE) && v > 0) {
2492                                 if (!check->power_on) {
2493                                         check->power_on = 1;
2494                                         snd_hda_power_up(codec);
2495                                 }
2496                                 return 1;
2497                         }
2498                 }
2499         }
2500         if (check->power_on) {
2501                 check->power_on = 0;
2502                 snd_hda_power_down(codec);
2503         }
2504         return 0;
2505 }
2506 #endif
2507
2508 /*
2509  * Channel mode helper
2510  */
2511 int snd_hda_ch_mode_info(struct hda_codec *codec,
2512                          struct snd_ctl_elem_info *uinfo,
2513                          const struct hda_channel_mode *chmode,
2514                          int num_chmodes)
2515 {
2516         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2517         uinfo->count = 1;
2518         uinfo->value.enumerated.items = num_chmodes;
2519         if (uinfo->value.enumerated.item >= num_chmodes)
2520                 uinfo->value.enumerated.item = num_chmodes - 1;
2521         sprintf(uinfo->value.enumerated.name, "%dch",
2522                 chmode[uinfo->value.enumerated.item].channels);
2523         return 0;
2524 }
2525
2526 int snd_hda_ch_mode_get(struct hda_codec *codec,
2527                         struct snd_ctl_elem_value *ucontrol,
2528                         const struct hda_channel_mode *chmode,
2529                         int num_chmodes,
2530                         int max_channels)
2531 {
2532         int i;
2533
2534         for (i = 0; i < num_chmodes; i++) {
2535                 if (max_channels == chmode[i].channels) {
2536                         ucontrol->value.enumerated.item[0] = i;
2537                         break;
2538                 }
2539         }
2540         return 0;
2541 }
2542
2543 int snd_hda_ch_mode_put(struct hda_codec *codec,
2544                         struct snd_ctl_elem_value *ucontrol,
2545                         const struct hda_channel_mode *chmode,
2546                         int num_chmodes,
2547                         int *max_channelsp)
2548 {
2549         unsigned int mode;
2550
2551         mode = ucontrol->value.enumerated.item[0];
2552         if (mode >= num_chmodes)
2553                 return -EINVAL;
2554         if (*max_channelsp == chmode[mode].channels)
2555                 return 0;
2556         /* change the current channel setting */
2557         *max_channelsp = chmode[mode].channels;
2558         if (chmode[mode].sequence)
2559                 snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
2560         return 1;
2561 }
2562
2563 /*
2564  * input MUX helper
2565  */
2566 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
2567                            struct snd_ctl_elem_info *uinfo)
2568 {
2569         unsigned int index;
2570
2571         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2572         uinfo->count = 1;
2573         uinfo->value.enumerated.items = imux->num_items;
2574         if (!imux->num_items)
2575                 return 0;
2576         index = uinfo->value.enumerated.item;
2577         if (index >= imux->num_items)
2578                 index = imux->num_items - 1;
2579         strcpy(uinfo->value.enumerated.name, imux->items[index].label);
2580         return 0;
2581 }
2582
2583 int snd_hda_input_mux_put(struct hda_codec *codec,
2584                           const struct hda_input_mux *imux,
2585                           struct snd_ctl_elem_value *ucontrol,
2586                           hda_nid_t nid,
2587                           unsigned int *cur_val)
2588 {
2589         unsigned int idx;
2590
2591         if (!imux->num_items)
2592                 return 0;
2593         idx = ucontrol->value.enumerated.item[0];
2594         if (idx >= imux->num_items)
2595                 idx = imux->num_items - 1;
2596         if (*cur_val == idx)
2597                 return 0;
2598         snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
2599                                   imux->items[idx].index);
2600         *cur_val = idx;
2601         return 1;
2602 }
2603
2604
2605 /*
2606  * Multi-channel / digital-out PCM helper functions
2607  */
2608
2609 /* setup SPDIF output stream */
2610 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
2611                                  unsigned int stream_tag, unsigned int format)
2612 {
2613         hda_nid_t *d;
2614
2615         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2616         if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) {
2617                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
2618                             codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
2619
2620                 for (d = codec->slave_dig_outs; *d; d++)
2621                         snd_hda_codec_write(codec, *d, 0,
2622                                         AC_VERB_SET_DIGI_CONVERT_1,
2623                                     codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
2624         }
2625         snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
2626         /* turn on again (if needed) */
2627         if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) {
2628                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
2629                                     codec->spdif_ctls & 0xff);
2630
2631                 for (d = codec->slave_dig_outs; *d; d++)
2632                         snd_hda_codec_write(codec, *d, 0,
2633                                         AC_VERB_SET_DIGI_CONVERT_1,
2634                                     codec->spdif_ctls & 0xff);
2635         }
2636
2637 }
2638
2639 /*
2640  * open the digital out in the exclusive mode
2641  */
2642 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
2643                                struct hda_multi_out *mout)
2644 {
2645         mutex_lock(&codec->spdif_mutex);
2646         if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
2647                 /* already opened as analog dup; reset it once */
2648                 snd_hda_codec_cleanup_stream(codec, mout->dig_out_nid);
2649         mout->dig_out_used = HDA_DIG_EXCLUSIVE;
2650         mutex_unlock(&codec->spdif_mutex);
2651         return 0;
2652 }
2653
2654 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
2655                                   struct hda_multi_out *mout,
2656                                   unsigned int stream_tag,
2657                                   unsigned int format,
2658                                   struct snd_pcm_substream *substream)
2659 {
2660         hda_nid_t *nid;
2661         mutex_lock(&codec->spdif_mutex);
2662         setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
2663         if (codec->slave_dig_outs)
2664                 for (nid = codec->slave_dig_outs; *nid; nid++)
2665                         setup_dig_out_stream(codec, *nid, stream_tag, format);
2666         mutex_unlock(&codec->spdif_mutex);
2667         return 0;
2668 }
2669
2670 /*
2671  * release the digital out
2672  */
2673 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
2674                                 struct hda_multi_out *mout)
2675 {
2676         mutex_lock(&codec->spdif_mutex);
2677         mout->dig_out_used = 0;
2678         mutex_unlock(&codec->spdif_mutex);
2679         return 0;
2680 }
2681
2682 /*
2683  * set up more restrictions for analog out
2684  */
2685 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
2686                                   struct hda_multi_out *mout,
2687                                   struct snd_pcm_substream *substream,
2688                                   struct hda_pcm_stream *hinfo)
2689 {
2690         struct snd_pcm_runtime *runtime = substream->runtime;
2691         runtime->hw.channels_max = mout->max_channels;
2692         if (mout->dig_out_nid) {
2693                 if (!mout->analog_rates) {
2694                         mout->analog_rates = hinfo->rates;
2695                         mout->analog_formats = hinfo->formats;
2696                         mout->analog_maxbps = hinfo->maxbps;
2697                 } else {
2698                         runtime->hw.rates = mout->analog_rates;
2699                         runtime->hw.formats = mout->analog_formats;
2700                         hinfo->maxbps = mout->analog_maxbps;
2701                 }
2702                 if (!mout->spdif_rates) {
2703                         snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
2704                                                     &mout->spdif_rates,
2705                                                     &mout->spdif_formats,
2706                                                     &mout->spdif_maxbps);
2707                 }
2708                 mutex_lock(&codec->spdif_mutex);
2709                 if (mout->share_spdif) {
2710                         runtime->hw.rates &= mout->spdif_rates;
2711                         runtime->hw.formats &= mout->spdif_formats;
2712                         if (mout->spdif_maxbps < hinfo->maxbps)
2713                                 hinfo->maxbps = mout->spdif_maxbps;
2714                 }
2715                 mutex_unlock(&codec->spdif_mutex);
2716         }
2717         return snd_pcm_hw_constraint_step(substream->runtime, 0,
2718                                           SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2719 }
2720
2721 /*
2722  * set up the i/o for analog out
2723  * when the digital out is available, copy the front out to digital out, too.
2724  */
2725 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
2726                                      struct hda_multi_out *mout,
2727                                      unsigned int stream_tag,
2728                                      unsigned int format,
2729                                      struct snd_pcm_substream *substream)
2730 {
2731         hda_nid_t *nids = mout->dac_nids;
2732         hda_nid_t *d;
2733         int chs = substream->runtime->channels;
2734         int i;
2735
2736         mutex_lock(&codec->spdif_mutex);
2737         if (mout->dig_out_nid && mout->share_spdif &&
2738             mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
2739                 if (chs == 2 &&
2740                     snd_hda_is_supported_format(codec, mout->dig_out_nid,
2741                                                 format) &&
2742                     !(codec->spdif_status & IEC958_AES0_NONAUDIO)) {
2743                         mout->dig_out_used = HDA_DIG_ANALOG_DUP;
2744                         setup_dig_out_stream(codec, mout->dig_out_nid,
2745                                              stream_tag, format);
2746                         if (codec->slave_dig_outs)
2747                                 for (d = codec->slave_dig_outs; *d; d++)
2748                                         setup_dig_out_stream(codec, *d,
2749                                                 stream_tag, format);
2750                 } else {
2751                         mout->dig_out_used = 0;
2752                         snd_hda_codec_cleanup_stream(codec, mout->dig_out_nid);
2753                         if (codec->slave_dig_outs)
2754                                 for (d = codec->slave_dig_outs; *d; d++)
2755                                         snd_hda_codec_cleanup_stream(codec, *d);
2756                 }
2757         }
2758         mutex_unlock(&codec->spdif_mutex);
2759
2760         /* front */
2761         snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
2762                                    0, format);
2763         if (!mout->no_share_stream &&
2764             mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
2765                 /* headphone out will just decode front left/right (stereo) */
2766                 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
2767                                            0, format);
2768         /* extra outputs copied from front */
2769         for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2770                 if (!mout->no_share_stream && mout->extra_out_nid[i])
2771                         snd_hda_codec_setup_stream(codec,
2772                                                    mout->extra_out_nid[i],
2773                                                    stream_tag, 0, format);
2774
2775         /* surrounds */
2776         for (i = 1; i < mout->num_dacs; i++) {
2777                 if (chs >= (i + 1) * 2) /* independent out */
2778                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2779                                                    i * 2, format);
2780                 else if (!mout->no_share_stream) /* copy front */
2781                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2782                                                    0, format);
2783         }
2784         return 0;
2785 }
2786
2787 /*
2788  * clean up the setting for analog out
2789  */
2790 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
2791                                      struct hda_multi_out *mout)
2792 {
2793         hda_nid_t *nids = mout->dac_nids;
2794         int i;
2795
2796         for (i = 0; i < mout->num_dacs; i++)
2797                 snd_hda_codec_cleanup_stream(codec, nids[i]);
2798         if (mout->hp_nid)
2799                 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
2800         for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2801                 if (mout->extra_out_nid[i])
2802                         snd_hda_codec_cleanup_stream(codec,
2803                                                      mout->extra_out_nid[i]);
2804         mutex_lock(&codec->spdif_mutex);
2805         if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
2806                 snd_hda_codec_cleanup_stream(codec, mout->dig_out_nid);
2807                 mout->dig_out_used = 0;
2808         }
2809         mutex_unlock(&codec->spdif_mutex);
2810         return 0;
2811 }
2812
2813 /*
2814  * Helper for automatic ping configuration
2815  */
2816
2817 static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list)
2818 {
2819         for (; *list; list++)
2820                 if (*list == nid)
2821                         return 1;
2822         return 0;
2823 }
2824
2825
2826 /*
2827  * Sort an associated group of pins according to their sequence numbers.
2828  */
2829 static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences,
2830                                   int num_pins)
2831 {
2832         int i, j;
2833         short seq;
2834         hda_nid_t nid;
2835
2836         for (i = 0; i < num_pins; i++) {
2837                 for (j = i + 1; j < num_pins; j++) {
2838                         if (sequences[i] > sequences[j]) {
2839                                 seq = sequences[i];
2840                                 sequences[i] = sequences[j];
2841                                 sequences[j] = seq;
2842                                 nid = pins[i];
2843                                 pins[i] = pins[j];
2844                                 pins[j] = nid;
2845                         }
2846                 }
2847         }
2848 }
2849
2850
2851 /*
2852  * Parse all pin widgets and store the useful pin nids to cfg
2853  *
2854  * The number of line-outs or any primary output is stored in line_outs,
2855  * and the corresponding output pins are assigned to line_out_pins[],
2856  * in the order of front, rear, CLFE, side, ...
2857  *
2858  * If more extra outputs (speaker and headphone) are found, the pins are
2859  * assisnged to hp_pins[] and speaker_pins[], respectively.  If no line-out jack
2860  * is detected, one of speaker of HP pins is assigned as the primary
2861  * output, i.e. to line_out_pins[0].  So, line_outs is always positive
2862  * if any analog output exists.
2863  *
2864  * The analog input pins are assigned to input_pins array.
2865  * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
2866  * respectively.
2867  */
2868 int snd_hda_parse_pin_def_config(struct hda_codec *codec,
2869                                  struct auto_pin_cfg *cfg,
2870                                  hda_nid_t *ignore_nids)
2871 {
2872         hda_nid_t nid, end_nid;
2873         short seq, assoc_line_out, assoc_speaker;
2874         short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)];
2875         short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)];
2876         short sequences_hp[ARRAY_SIZE(cfg->hp_pins)];
2877
2878         memset(cfg, 0, sizeof(*cfg));
2879
2880         memset(sequences_line_out, 0, sizeof(sequences_line_out));
2881         memset(sequences_speaker, 0, sizeof(sequences_speaker));
2882         memset(sequences_hp, 0, sizeof(sequences_hp));
2883         assoc_line_out = assoc_speaker = 0;
2884
2885         end_nid = codec->start_nid + codec->num_nodes;
2886         for (nid = codec->start_nid; nid < end_nid; nid++) {
2887                 unsigned int wid_caps = get_wcaps(codec, nid);
2888                 unsigned int wid_type =
2889                         (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
2890                 unsigned int def_conf;
2891                 short assoc, loc;
2892
2893                 /* read all default configuration for pin complex */
2894                 if (wid_type != AC_WID_PIN)
2895                         continue;
2896                 /* ignore the given nids (e.g. pc-beep returns error) */
2897                 if (ignore_nids && is_in_nid_list(nid, ignore_nids))
2898                         continue;
2899
2900                 def_conf = snd_hda_codec_read(codec, nid, 0,
2901                                               AC_VERB_GET_CONFIG_DEFAULT, 0);
2902                 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
2903                         continue;
2904                 loc = get_defcfg_location(def_conf);
2905                 switch (get_defcfg_device(def_conf)) {
2906                 case AC_JACK_LINE_OUT:
2907                         seq = get_defcfg_sequence(def_conf);
2908                         assoc = get_defcfg_association(def_conf);
2909
2910                         if (!(wid_caps & AC_WCAP_STEREO))
2911                                 if (!cfg->mono_out_pin)
2912                                         cfg->mono_out_pin = nid;
2913                         if (!assoc)
2914                                 continue;
2915                         if (!assoc_line_out)
2916                                 assoc_line_out = assoc;
2917                         else if (assoc_line_out != assoc)
2918                                 continue;
2919                         if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
2920                                 continue;
2921                         cfg->line_out_pins[cfg->line_outs] = nid;
2922                         sequences_line_out[cfg->line_outs] = seq;
2923                         cfg->line_outs++;
2924                         break;
2925                 case AC_JACK_SPEAKER:
2926                         seq = get_defcfg_sequence(def_conf);
2927                         assoc = get_defcfg_association(def_conf);
2928                         if (! assoc)
2929                                 continue;
2930                         if (! assoc_speaker)
2931                                 assoc_speaker = assoc;
2932                         else if (assoc_speaker != assoc)
2933                                 continue;
2934                         if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
2935                                 continue;
2936                         cfg->speaker_pins[cfg->speaker_outs] = nid;
2937                         sequences_speaker[cfg->speaker_outs] = seq;
2938                         cfg->speaker_outs++;
2939                         break;
2940                 case AC_JACK_HP_OUT:
2941                         seq = get_defcfg_sequence(def_conf);
2942                         assoc = get_defcfg_association(def_conf);
2943                         if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
2944                                 continue;
2945                         cfg->hp_pins[cfg->hp_outs] = nid;
2946                         sequences_hp[cfg->hp_outs] = (assoc << 4) | seq;
2947                         cfg->hp_outs++;
2948                         break;
2949                 case AC_JACK_MIC_IN: {
2950                         int preferred, alt;
2951                         if (loc == AC_JACK_LOC_FRONT) {
2952                                 preferred = AUTO_PIN_FRONT_MIC;
2953                                 alt = AUTO_PIN_MIC;
2954                         } else {
2955                                 preferred = AUTO_PIN_MIC;
2956                                 alt = AUTO_PIN_FRONT_MIC;
2957                         }
2958                         if (!cfg->input_pins[preferred])
2959                                 cfg->input_pins[preferred] = nid;
2960                         else if (!cfg->input_pins[alt])
2961                                 cfg->input_pins[alt] = nid;
2962                         break;
2963                 }
2964                 case AC_JACK_LINE_IN:
2965                         if (loc == AC_JACK_LOC_FRONT)
2966                                 cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
2967                         else
2968                                 cfg->input_pins[AUTO_PIN_LINE] = nid;
2969                         break;
2970                 case AC_JACK_CD:
2971                         cfg->input_pins[AUTO_PIN_CD] = nid;
2972                         break;
2973                 case AC_JACK_AUX:
2974                         cfg->input_pins[AUTO_PIN_AUX] = nid;
2975                         break;
2976                 case AC_JACK_SPDIF_OUT:
2977                         cfg->dig_out_pin = nid;
2978                         break;
2979                 case AC_JACK_SPDIF_IN:
2980                         cfg->dig_in_pin = nid;
2981                         break;
2982                 }
2983         }
2984
2985         /* FIX-UP:
2986          * If no line-out is defined but multiple HPs are found,
2987          * some of them might be the real line-outs.
2988          */
2989         if (!cfg->line_outs && cfg->hp_outs > 1) {
2990                 int i = 0;
2991                 while (i < cfg->hp_outs) {
2992                         /* The real HPs should have the sequence 0x0f */
2993                         if ((sequences_hp[i] & 0x0f) == 0x0f) {
2994                                 i++;
2995                                 continue;
2996                         }
2997                         /* Move it to the line-out table */
2998                         cfg->line_out_pins[cfg->line_outs] = cfg->hp_pins[i];
2999                         sequences_line_out[cfg->line_outs] = sequences_hp[i];
3000                         cfg->line_outs++;
3001                         cfg->hp_outs--;
3002                         memmove(cfg->hp_pins + i, cfg->hp_pins + i + 1,
3003                                 sizeof(cfg->hp_pins[0]) * (cfg->hp_outs - i));
3004                         memmove(sequences_hp + i - 1, sequences_hp + i,
3005                                 sizeof(sequences_hp[0]) * (cfg->hp_outs - i));
3006                 }
3007         }
3008
3009         /* sort by sequence */
3010         sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out,
3011                               cfg->line_outs);
3012         sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker,
3013                               cfg->speaker_outs);
3014         sort_pins_by_sequence(cfg->hp_pins, sequences_hp,
3015                               cfg->hp_outs);
3016
3017         /* if we have only one mic, make it AUTO_PIN_MIC */
3018         if (!cfg->input_pins[AUTO_PIN_MIC] &&
3019             cfg->input_pins[AUTO_PIN_FRONT_MIC]) {
3020                 cfg->input_pins[AUTO_PIN_MIC] =
3021                         cfg->input_pins[AUTO_PIN_FRONT_MIC];
3022                 cfg->input_pins[AUTO_PIN_FRONT_MIC] = 0;
3023         }
3024         /* ditto for line-in */
3025         if (!cfg->input_pins[AUTO_PIN_LINE] &&
3026             cfg->input_pins[AUTO_PIN_FRONT_LINE]) {
3027                 cfg->input_pins[AUTO_PIN_LINE] =
3028                         cfg->input_pins[AUTO_PIN_FRONT_LINE];
3029                 cfg->input_pins[AUTO_PIN_FRONT_LINE] = 0;
3030         }
3031
3032         /*
3033          * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
3034          * as a primary output
3035          */
3036         if (!cfg->line_outs) {
3037                 if (cfg->speaker_outs) {
3038                         cfg->line_outs = cfg->speaker_outs;
3039                         memcpy(cfg->line_out_pins, cfg->speaker_pins,
3040                                sizeof(cfg->speaker_pins));
3041                         cfg->speaker_outs = 0;
3042                         memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
3043                         cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
3044                 } else if (cfg->hp_outs) {
3045                         cfg->line_outs = cfg->hp_outs;
3046                         memcpy(cfg->line_out_pins, cfg->hp_pins,
3047                                sizeof(cfg->hp_pins));
3048                         cfg->hp_outs = 0;
3049                         memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
3050                         cfg->line_out_type = AUTO_PIN_HP_OUT;
3051                 }
3052         }
3053
3054         /* Reorder the surround channels
3055          * ALSA sequence is front/surr/clfe/side
3056          * HDA sequence is:
3057          *    4-ch: front/surr  =>  OK as it is
3058          *    6-ch: front/clfe/surr
3059          *    8-ch: front/clfe/rear/side|fc
3060          */
3061         switch (cfg->line_outs) {
3062         case 3:
3063         case 4:
3064                 nid = cfg->line_out_pins[1];
3065                 cfg->line_out_pins[1] = cfg->line_out_pins[2];
3066                 cfg->line_out_pins[2] = nid;
3067                 break;
3068         }
3069
3070         /*
3071          * debug prints of the parsed results
3072          */
3073         snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3074                    cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
3075                    cfg->line_out_pins[2], cfg->line_out_pins[3],
3076                    cfg->line_out_pins[4]);
3077         snd_printd("   speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3078                    cfg->speaker_outs, cfg->speaker_pins[0],
3079                    cfg->speaker_pins[1], cfg->speaker_pins[2],
3080                    cfg->speaker_pins[3], cfg->speaker_pins[4]);
3081         snd_printd("   hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3082                    cfg->hp_outs, cfg->hp_pins[0],
3083                    cfg->hp_pins[1], cfg->hp_pins[2],
3084                    cfg->hp_pins[3], cfg->hp_pins[4]);
3085         snd_printd("   mono: mono_out=0x%x\n", cfg->mono_out_pin);
3086         snd_printd("   inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
3087                    " cd=0x%x, aux=0x%x\n",
3088                    cfg->input_pins[AUTO_PIN_MIC],
3089                    cfg->input_pins[AUTO_PIN_FRONT_MIC],
3090                    cfg->input_pins[AUTO_PIN_LINE],
3091                    cfg->input_pins[AUTO_PIN_FRONT_LINE],
3092                    cfg->input_pins[AUTO_PIN_CD],
3093                    cfg->input_pins[AUTO_PIN_AUX]);
3094
3095         return 0;
3096 }
3097
3098 /* labels for input pins */
3099 const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
3100         "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
3101 };
3102
3103
3104 #ifdef CONFIG_PM
3105 /*
3106  * power management
3107  */
3108
3109 /**
3110  * snd_hda_suspend - suspend the codecs
3111  * @bus: the HDA bus
3112  * @state: suspsend state
3113  *
3114  * Returns 0 if successful.
3115  */
3116 int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
3117 {
3118         struct hda_codec *codec;
3119
3120         list_for_each_entry(codec, &bus->codec_list, list) {
3121 #ifdef CONFIG_SND_HDA_POWER_SAVE
3122                 if (!codec->power_on)
3123                         continue;
3124 #endif
3125                 hda_call_codec_suspend(codec);
3126         }
3127         return 0;
3128 }
3129
3130 /**
3131  * snd_hda_resume - resume the codecs
3132  * @bus: the HDA bus
3133  * @state: resume state
3134  *
3135  * Returns 0 if successful.
3136  *
3137  * This fucntion is defined only when POWER_SAVE isn't set.
3138  * In the power-save mode, the codec is resumed dynamically.
3139  */
3140 int snd_hda_resume(struct hda_bus *bus)
3141 {
3142         struct hda_codec *codec;
3143
3144         list_for_each_entry(codec, &bus->codec_list, list) {
3145                 if (snd_hda_codec_needs_resume(codec))
3146                         hda_call_codec_resume(codec);
3147         }
3148         return 0;
3149 }
3150 #ifdef CONFIG_SND_HDA_POWER_SAVE
3151 int snd_hda_codecs_inuse(struct hda_bus *bus)
3152 {
3153         struct hda_codec *codec;
3154
3155         list_for_each_entry(codec, &bus->codec_list, list) {
3156                 if (snd_hda_codec_needs_resume(codec))
3157                         return 1;
3158         }
3159         return 0;
3160 }
3161 #endif
3162 #endif