sound/pci/hda/hda_codec.c

   1 /*
   2  * Universal Interface for Intel High Definition Audio Codec
   3  *
   4  * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
   5  *
   6  *
   7  *  This driver is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This driver is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  20  */
  21
  22 #include <linux/init.h>
  23 #include <linux/delay.h>
  24 #include <linux/slab.h>
  25 #include <linux/pci.h>
  26 #include <linux/mutex.h>
  27 #include <sound/core.h>
  28 #include "hda_codec.h"
  29 #include <sound/asoundef.h>
  30 #include <sound/tlv.h>
  31 #include <sound/initval.h>
  32 #include "hda_local.h"
  33 #include <sound/hda_hwdep.h>
  34 #include "hda_patch.h"  /* codec presets */
  35
  36 #ifdef CONFIG_SND_HDA_POWER_SAVE
  37 /* define this option here to hide as static */
  38 static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
  39 module_param(power_save, int, 0644);
  40 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
  41                  "(in second, 0 = disable).");
  42 #endif
  43
  44 /*
  45  * vendor / preset table
  46  */
  47
  48 struct hda_vendor_id {
  49         unsigned int id;
  50         const char *name;
  51 };
  52
  53 /* codec vendor labels */
  54 static struct hda_vendor_id hda_vendor_ids[] = {
  55         { 0x1002, "ATI" },
  56         { 0x1057, "Motorola" },
  57         { 0x1095, "Silicon Image" },
  58         { 0x10ec, "Realtek" },
  59         { 0x1106, "VIA" },
  60         { 0x111d, "IDT" },
  61         { 0x11c1, "LSI" },
  62         { 0x11d4, "Analog Devices" },
  63         { 0x13f6, "C-Media" },
  64         { 0x14f1, "Conexant" },
  65         { 0x17e8, "Chrontel" },
  66         { 0x1854, "LG" },
  67         { 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 /* volume */
 965 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
 966                                   struct snd_ctl_elem_info *uinfo)
 967 {
 968         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 969         u16 nid = get_amp_nid(kcontrol);
 970         u8 chs = get_amp_channels(kcontrol);
 971         int dir = get_amp_direction(kcontrol);
 972         u32 caps;
 973
 974         caps = query_amp_caps(codec, nid, dir);
 975         /* num steps */
 976         caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
 977         if (!caps) {
 978                 printk(KERN_WARNING "hda_codec: "
 979                        "num_steps = 0 for NID=0x%x (ctl = %s)\n", nid,
 980                        kcontrol->id.name);
 981                 return -EINVAL;
 982         }
 983         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 984         uinfo->count = chs == 3 ? 2 : 1;
 985         uinfo->value.integer.min = 0;
 986         uinfo->value.integer.max = caps;
 987         return 0;
 988 }
 989
 990 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
 991                                  struct snd_ctl_elem_value *ucontrol)
 992 {
 993         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 994         hda_nid_t nid = get_amp_nid(kcontrol);
 995         int chs = get_amp_channels(kcontrol);
 996         int dir = get_amp_direction(kcontrol);
 997         int idx = get_amp_index(kcontrol);
 998         long *valp = ucontrol->value.integer.value;
 999
1000         if (chs & 1)
1001                 *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx)
1002                         & HDA_AMP_VOLMASK;
1003         if (chs & 2)
1004                 *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx)
1005                         & HDA_AMP_VOLMASK;
1006         return 0;
1007 }
1008
1009 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1010                                  struct snd_ctl_elem_value *ucontrol)
1011 {
1012         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1013         hda_nid_t nid = get_amp_nid(kcontrol);
1014         int chs = get_amp_channels(kcontrol);
1015         int dir = get_amp_direction(kcontrol);
1016         int idx = get_amp_index(kcontrol);
1017         long *valp = ucontrol->value.integer.value;
1018         int change = 0;
1019
1020         snd_hda_power_up(codec);
1021         if (chs & 1) {
1022                 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
1023                                                   0x7f, *valp);
1024                 valp++;
1025         }
1026         if (chs & 2)
1027                 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
1028                                                    0x7f, *valp);
1029         snd_hda_power_down(codec);
1030         return change;
1031 }
1032
1033 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1034                           unsigned int size, unsigned int __user *_tlv)
1035 {
1036         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1037         hda_nid_t nid = get_amp_nid(kcontrol);
1038         int dir = get_amp_direction(kcontrol);
1039         u32 caps, val1, val2;
1040
1041         if (size < 4 * sizeof(unsigned int))
1042                 return -ENOMEM;
1043         caps = query_amp_caps(codec, nid, dir);
1044         val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1045         val2 = (val2 + 1) * 25;
1046         val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1047         val1 = ((int)val1) * ((int)val2);
1048         if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
1049                 return -EFAULT;
1050         if (put_user(2 * sizeof(unsigned int), _tlv + 1))
1051                 return -EFAULT;
1052         if (put_user(val1, _tlv + 2))
1053                 return -EFAULT;
1054         if (put_user(val2, _tlv + 3))
1055                 return -EFAULT;
1056         return 0;
1057 }
1058
1059 /*
1060  * set (static) TLV for virtual master volume; recalculated as max 0dB
1061  */
1062 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1063                              unsigned int *tlv)
1064 {
1065         u32 caps;
1066         int nums, step;
1067
1068         caps = query_amp_caps(codec, nid, dir);
1069         nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1070         step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1071         step = (step + 1) * 25;
1072         tlv[0] = SNDRV_CTL_TLVT_DB_SCALE;
1073         tlv[1] = 2 * sizeof(unsigned int);
1074         tlv[2] = -nums * step;
1075         tlv[3] = step;
1076 }
1077
1078 /* find a mixer control element with the given name */
1079 static struct snd_kcontrol *
1080 _snd_hda_find_mixer_ctl(struct hda_codec *codec,
1081                         const char *name, int idx)
1082 {
1083         struct snd_ctl_elem_id id;
1084         memset(&id, 0, sizeof(id));
1085         id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1086         id.index = idx;
1087         strcpy(id.name, name);
1088         return snd_ctl_find_id(codec->bus->card, &id);
1089 }
1090
1091 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1092                                             const char *name)
1093 {
1094         return _snd_hda_find_mixer_ctl(codec, name, 0);
1095 }
1096
1097 /* create a virtual master control and add slaves */
1098 int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
1099                         unsigned int *tlv, const char **slaves)
1100 {
1101         struct snd_kcontrol *kctl;
1102         const char **s;
1103         int err;
1104
1105         for (s = slaves; *s && !snd_hda_find_mixer_ctl(codec, *s); s++)
1106                 ;
1107         if (!*s) {
1108                 snd_printdd("No slave found for %s\n", name);
1109                 return 0;
1110         }
1111         kctl = snd_ctl_make_virtual_master(name, tlv);
1112         if (!kctl)
1113                 return -ENOMEM;
1114         err = snd_ctl_add(codec->bus->card, kctl);
1115         if (err < 0)
1116                 return err;
1117
1118         for (s = slaves; *s; s++) {
1119                 struct snd_kcontrol *sctl;
1120
1121                 sctl = snd_hda_find_mixer_ctl(codec, *s);
1122                 if (!sctl) {
1123                         snd_printdd("Cannot find slave %s, skipped\n", *s);
1124                         continue;
1125                 }
1126                 err = snd_ctl_add_slave(kctl, sctl);
1127                 if (err < 0)
1128                         return err;
1129         }
1130         return 0;
1131 }
1132
1133 /* switch */
1134 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
1135                                   struct snd_ctl_elem_info *uinfo)
1136 {
1137         int chs = get_amp_channels(kcontrol);
1138
1139         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1140         uinfo->count = chs == 3 ? 2 : 1;
1141         uinfo->value.integer.min = 0;
1142         uinfo->value.integer.max = 1;
1143         return 0;
1144 }
1145
1146 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
1147                                  struct snd_ctl_elem_value *ucontrol)
1148 {
1149         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1150         hda_nid_t nid = get_amp_nid(kcontrol);
1151         int chs = get_amp_channels(kcontrol);
1152         int dir = get_amp_direction(kcontrol);
1153         int idx = get_amp_index(kcontrol);
1154         long *valp = ucontrol->value.integer.value;
1155
1156         if (chs & 1)
1157                 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
1158                            HDA_AMP_MUTE) ? 0 : 1;
1159         if (chs & 2)
1160                 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
1161                          HDA_AMP_MUTE) ? 0 : 1;
1162         return 0;
1163 }
1164
1165 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
1166                                  struct snd_ctl_elem_value *ucontrol)
1167 {
1168         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1169         hda_nid_t nid = get_amp_nid(kcontrol);
1170         int chs = get_amp_channels(kcontrol);
1171         int dir = get_amp_direction(kcontrol);
1172         int idx = get_amp_index(kcontrol);
1173         long *valp = ucontrol->value.integer.value;
1174         int change = 0;
1175
1176         snd_hda_power_up(codec);
1177         if (chs & 1) {
1178                 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
1179                                                   HDA_AMP_MUTE,
1180                                                   *valp ? 0 : HDA_AMP_MUTE);
1181                 valp++;
1182         }
1183         if (chs & 2)
1184                 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
1185                                                    HDA_AMP_MUTE,
1186                                                    *valp ? 0 : HDA_AMP_MUTE);
1187 #ifdef CONFIG_SND_HDA_POWER_SAVE
1188         if (codec->patch_ops.check_power_status)
1189                 codec->patch_ops.check_power_status(codec, nid);
1190 #endif
1191         snd_hda_power_down(codec);
1192         return change;
1193 }
1194
1195 /*
1196  * bound volume controls
1197  *
1198  * bind multiple volumes (# indices, from 0)
1199  */
1200
1201 #define AMP_VAL_IDX_SHIFT       19
1202 #define AMP_VAL_IDX_MASK        (0x0f<<19)
1203
1204 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
1205                                   struct snd_ctl_elem_value *ucontrol)
1206 {
1207         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1208         unsigned long pval;
1209         int err;
1210
1211         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1212         pval = kcontrol->private_value;
1213         kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
1214         err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
1215         kcontrol->private_value = pval;
1216         mutex_unlock(&codec->spdif_mutex);
1217         return err;
1218 }
1219
1220 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
1221                                   struct snd_ctl_elem_value *ucontrol)
1222 {
1223         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1224         unsigned long pval;
1225         int i, indices, err = 0, change = 0;
1226
1227         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1228         pval = kcontrol->private_value;
1229         indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
1230         for (i = 0; i < indices; i++) {
1231                 kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) |
1232                         (i << AMP_VAL_IDX_SHIFT);
1233                 err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
1234                 if (err < 0)
1235                         break;
1236                 change |= err;
1237         }
1238         kcontrol->private_value = pval;
1239         mutex_unlock(&codec->spdif_mutex);
1240         return err < 0 ? err : change;
1241 }
1242
1243 /*
1244  * generic bound volume/swtich controls
1245  */
1246 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
1247                                  struct snd_ctl_elem_info *uinfo)
1248 {
1249         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1250         struct hda_bind_ctls *c;
1251         int err;
1252
1253         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1254         c = (struct hda_bind_ctls *)kcontrol->private_value;
1255         kcontrol->private_value = *c->values;
1256         err = c->ops->info(kcontrol, uinfo);
1257         kcontrol->private_value = (long)c;
1258         mutex_unlock(&codec->spdif_mutex);
1259         return err;
1260 }
1261
1262 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
1263                                 struct snd_ctl_elem_value *ucontrol)
1264 {
1265         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1266         struct hda_bind_ctls *c;
1267         int err;
1268
1269         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1270         c = (struct hda_bind_ctls *)kcontrol->private_value;
1271         kcontrol->private_value = *c->values;
1272         err = c->ops->get(kcontrol, ucontrol);
1273         kcontrol->private_value = (long)c;
1274         mutex_unlock(&codec->spdif_mutex);
1275         return err;
1276 }
1277
1278 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
1279                                 struct snd_ctl_elem_value *ucontrol)
1280 {
1281         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1282         struct hda_bind_ctls *c;
1283         unsigned long *vals;
1284         int err = 0, change = 0;
1285
1286         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1287         c = (struct hda_bind_ctls *)kcontrol->private_value;
1288         for (vals = c->values; *vals; vals++) {
1289                 kcontrol->private_value = *vals;
1290                 err = c->ops->put(kcontrol, ucontrol);
1291                 if (err < 0)
1292                         break;
1293                 change |= err;
1294         }
1295         kcontrol->private_value = (long)c;
1296         mutex_unlock(&codec->spdif_mutex);
1297         return err < 0 ? err : change;
1298 }
1299
1300 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1301                            unsigned int size, unsigned int __user *tlv)
1302 {
1303         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1304         struct hda_bind_ctls *c;
1305         int err;
1306
1307         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1308         c = (struct hda_bind_ctls *)kcontrol->private_value;
1309         kcontrol->private_value = *c->values;
1310         err = c->ops->tlv(kcontrol, op_flag, size, tlv);
1311         kcontrol->private_value = (long)c;
1312         mutex_unlock(&codec->spdif_mutex);
1313         return err;
1314 }
1315
1316 struct hda_ctl_ops snd_hda_bind_vol = {
1317         .info = snd_hda_mixer_amp_volume_info,
1318         .get = snd_hda_mixer_amp_volume_get,
1319         .put = snd_hda_mixer_amp_volume_put,
1320         .tlv = snd_hda_mixer_amp_tlv
1321 };
1322
1323 struct hda_ctl_ops snd_hda_bind_sw = {
1324         .info = snd_hda_mixer_amp_switch_info,
1325         .get = snd_hda_mixer_amp_switch_get,
1326         .put = snd_hda_mixer_amp_switch_put,
1327         .tlv = snd_hda_mixer_amp_tlv
1328 };
1329
1330 /*
1331  * SPDIF out controls
1332  */
1333
1334 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
1335                                    struct snd_ctl_elem_info *uinfo)
1336 {
1337         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1338         uinfo->count = 1;
1339         return 0;
1340 }
1341
1342 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
1343                                    struct snd_ctl_elem_value *ucontrol)
1344 {
1345         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1346                                            IEC958_AES0_NONAUDIO |
1347                                            IEC958_AES0_CON_EMPHASIS_5015 |
1348                                            IEC958_AES0_CON_NOT_COPYRIGHT;
1349         ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
1350                                            IEC958_AES1_CON_ORIGINAL;
1351         return 0;
1352 }
1353
1354 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
1355                                    struct snd_ctl_elem_value *ucontrol)
1356 {
1357         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1358                                            IEC958_AES0_NONAUDIO |
1359                                            IEC958_AES0_PRO_EMPHASIS_5015;
1360         return 0;
1361 }
1362
1363 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
1364                                      struct snd_ctl_elem_value *ucontrol)
1365 {
1366         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1367
1368         ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff;
1369         ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff;
1370         ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff;
1371         ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff;
1372
1373         return 0;
1374 }
1375
1376 /* convert from SPDIF status bits to HDA SPDIF bits
1377  * bit 0 (DigEn) is always set zero (to be filled later)
1378  */
1379 static unsigned short convert_from_spdif_status(unsigned int sbits)
1380 {
1381         unsigned short val = 0;
1382
1383         if (sbits & IEC958_AES0_PROFESSIONAL)
1384                 val |= AC_DIG1_PROFESSIONAL;
1385         if (sbits & IEC958_AES0_NONAUDIO)
1386                 val |= AC_DIG1_NONAUDIO;
1387         if (sbits & IEC958_AES0_PROFESSIONAL) {
1388                 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
1389                     IEC958_AES0_PRO_EMPHASIS_5015)
1390                         val |= AC_DIG1_EMPHASIS;
1391         } else {
1392                 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
1393                     IEC958_AES0_CON_EMPHASIS_5015)
1394                         val |= AC_DIG1_EMPHASIS;
1395                 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
1396                         val |= AC_DIG1_COPYRIGHT;
1397                 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
1398                         val |= AC_DIG1_LEVEL;
1399                 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
1400         }
1401         return val;
1402 }
1403
1404 /* convert to SPDIF status bits from HDA SPDIF bits
1405  */
1406 static unsigned int convert_to_spdif_status(unsigned short val)
1407 {
1408         unsigned int sbits = 0;
1409
1410         if (val & AC_DIG1_NONAUDIO)
1411                 sbits |= IEC958_AES0_NONAUDIO;
1412         if (val & AC_DIG1_PROFESSIONAL)
1413                 sbits |= IEC958_AES0_PROFESSIONAL;
1414         if (sbits & IEC958_AES0_PROFESSIONAL) {
1415                 if (sbits & AC_DIG1_EMPHASIS)
1416                         sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
1417         } else {
1418                 if (val & AC_DIG1_EMPHASIS)
1419                         sbits |= IEC958_AES0_CON_EMPHASIS_5015;
1420                 if (!(val & AC_DIG1_COPYRIGHT))
1421                         sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
1422                 if (val & AC_DIG1_LEVEL)
1423                         sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
1424                 sbits |= val & (0x7f << 8);
1425         }
1426         return sbits;
1427 }
1428
1429 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
1430                                      struct snd_ctl_elem_value *ucontrol)
1431 {
1432         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1433         hda_nid_t nid = kcontrol->private_value;
1434         unsigned short val;
1435         int change;
1436
1437         mutex_lock(&codec->spdif_mutex);
1438         codec->spdif_status = ucontrol->value.iec958.status[0] |
1439                 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
1440                 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
1441                 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
1442         val = convert_from_spdif_status(codec->spdif_status);
1443         val |= codec->spdif_ctls & 1;
1444         change = codec->spdif_ctls != val;
1445         codec->spdif_ctls = val;
1446
1447         if (change) {
1448                 hda_nid_t *d;
1449                 snd_hda_codec_write_cache(codec, nid, 0,
1450                                           AC_VERB_SET_DIGI_CONVERT_1,
1451                                           val & 0xff);
1452                 snd_hda_codec_write_cache(codec, nid, 0,
1453                                           AC_VERB_SET_DIGI_CONVERT_2,
1454                                           val >> 8);
1455
1456                 if (codec->slave_dig_outs)
1457                         for (d = codec->slave_dig_outs; *d; d++) {
1458                                 snd_hda_codec_write_cache(codec, *d, 0,
1459                                           AC_VERB_SET_DIGI_CONVERT_1,
1460                                           val & 0xff);
1461                                 snd_hda_codec_write_cache(codec, *d, 0,
1462                                           AC_VERB_SET_DIGI_CONVERT_2,
1463                                           val >> 8);
1464                         }
1465         }
1466
1467         mutex_unlock(&codec->spdif_mutex);
1468         return change;
1469 }
1470
1471 #define snd_hda_spdif_out_switch_info   snd_ctl_boolean_mono_info
1472
1473 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
1474                                         struct snd_ctl_elem_value *ucontrol)
1475 {
1476         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1477
1478         ucontrol->value.integer.value[0] = codec->spdif_ctls & AC_DIG1_ENABLE;
1479         return 0;
1480 }
1481
1482 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
1483                                         struct snd_ctl_elem_value *ucontrol)
1484 {
1485         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1486         hda_nid_t nid = kcontrol->private_value;
1487         unsigned short val;
1488         int change;
1489
1490         mutex_lock(&codec->spdif_mutex);
1491         val = codec->spdif_ctls & ~AC_DIG1_ENABLE;
1492         if (ucontrol->value.integer.value[0])
1493                 val |= AC_DIG1_ENABLE;
1494         change = codec->spdif_ctls != val;
1495         if (change) {
1496                 hda_nid_t *d;
1497                 codec->spdif_ctls = val;
1498                 snd_hda_codec_write_cache(codec, nid, 0,
1499                                           AC_VERB_SET_DIGI_CONVERT_1,
1500                                           val & 0xff);
1501
1502                 if (codec->slave_dig_outs)
1503                         for (d = codec->slave_dig_outs; *d; d++)
1504                                 snd_hda_codec_write_cache(codec, *d, 0,
1505                                           AC_VERB_SET_DIGI_CONVERT_1,
1506                                           val & 0xff);
1507                 /* unmute amp switch (if any) */
1508                 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
1509                     (val & AC_DIG1_ENABLE))
1510                         snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
1511                                                  HDA_AMP_MUTE, 0);
1512         }
1513         mutex_unlock(&codec->spdif_mutex);
1514         return change;
1515 }
1516
1517 static struct snd_kcontrol_new dig_mixes[] = {
1518         {
1519                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1520                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1521                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1522                 .info = snd_hda_spdif_mask_info,
1523                 .get = snd_hda_spdif_cmask_get,
1524         },
1525         {
1526                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1527                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1528                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1529                 .info = snd_hda_spdif_mask_info,
1530                 .get = snd_hda_spdif_pmask_get,
1531         },
1532         {
1533                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1534                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1535                 .info = snd_hda_spdif_mask_info,
1536                 .get = snd_hda_spdif_default_get,
1537                 .put = snd_hda_spdif_default_put,
1538         },
1539         {
1540                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1541                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1542                 .info = snd_hda_spdif_out_switch_info,
1543                 .get = snd_hda_spdif_out_switch_get,
1544                 .put = snd_hda_spdif_out_switch_put,
1545         },
1546         { } /* end */
1547 };
1548
1549 #define SPDIF_MAX_IDX   4       /* 4 instances should be enough to probe */
1550
1551 /**
1552  * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1553  * @codec: the HDA codec
1554  * @nid: audio out widget NID
1555  *
1556  * Creates controls related with the SPDIF output.
1557  * Called from each patch supporting the SPDIF out.
1558  *
1559  * Returns 0 if successful, or a negative error code.
1560  */
1561 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid)
1562 {
1563         int err;
1564         struct snd_kcontrol *kctl;
1565         struct snd_kcontrol_new *dig_mix;
1566         int idx;
1567
1568         for (idx = 0; idx < SPDIF_MAX_IDX; idx++) {
1569                 if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Playback Switch",
1570                                              idx))
1571                         break;
1572         }
1573         if (idx >= SPDIF_MAX_IDX) {
1574                 printk(KERN_ERR "hda_codec: too many IEC958 outputs\n");
1575                 return -EBUSY;
1576         }
1577         for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
1578                 kctl = snd_ctl_new1(dig_mix, codec);
1579                 kctl->id.index = idx;
1580                 kctl->private_value = nid;
1581                 err = snd_ctl_add(codec->bus->card, kctl);
1582                 if (err < 0)
1583                         return err;
1584         }
1585         codec->spdif_ctls =
1586                 snd_hda_codec_read(codec, nid, 0,
1587                                    AC_VERB_GET_DIGI_CONVERT_1, 0);
1588         codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
1589         return 0;
1590 }
1591
1592 /*
1593  * SPDIF sharing with analog output
1594  */
1595 static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
1596                               struct snd_ctl_elem_value *ucontrol)
1597 {
1598         struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
1599         ucontrol->value.integer.value[0] = mout->share_spdif;
1600         return 0;
1601 }
1602
1603 static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
1604                               struct snd_ctl_elem_value *ucontrol)
1605 {
1606         struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
1607         mout->share_spdif = !!ucontrol->value.integer.value[0];
1608         return 0;
1609 }
1610
1611 static struct snd_kcontrol_new spdif_share_sw = {
1612         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1613         .name = "IEC958 Default PCM Playback Switch",
1614         .info = snd_ctl_boolean_mono_info,
1615         .get = spdif_share_sw_get,
1616         .put = spdif_share_sw_put,
1617 };
1618
1619 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
1620                                   struct hda_multi_out *mout)
1621 {
1622         if (!mout->dig_out_nid)
1623                 return 0;
1624         /* ATTENTION: here mout is passed as private_data, instead of codec */
1625         return snd_ctl_add(codec->bus->card,
1626                            snd_ctl_new1(&spdif_share_sw, mout));
1627 }
1628
1629 /*
1630  * SPDIF input
1631  */
1632
1633 #define snd_hda_spdif_in_switch_info    snd_hda_spdif_out_switch_info
1634
1635 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
1636                                        struct snd_ctl_elem_value *ucontrol)
1637 {
1638         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1639
1640         ucontrol->value.integer.value[0] = codec->spdif_in_enable;
1641         return 0;
1642 }
1643
1644 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
1645                                        struct snd_ctl_elem_value *ucontrol)
1646 {
1647         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1648         hda_nid_t nid = kcontrol->private_value;
1649         unsigned int val = !!ucontrol->value.integer.value[0];
1650         int change;
1651
1652         mutex_lock(&codec->spdif_mutex);
1653         change = codec->spdif_in_enable != val;
1654         if (change) {
1655                 hda_nid_t *d;
1656                 codec->spdif_in_enable = val;
1657                 snd_hda_codec_write_cache(codec, nid, 0,
1658                                           AC_VERB_SET_DIGI_CONVERT_1, val);
1659
1660                 if (codec->slave_dig_outs)
1661                         for (d = codec->slave_dig_outs; *d; d++)
1662                                 snd_hda_codec_write_cache(codec, *d, 0,
1663                                           AC_VERB_SET_DIGI_CONVERT_1, val);
1664         }
1665         mutex_unlock(&codec->spdif_mutex);
1666         return change;
1667 }
1668
1669 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
1670                                        struct snd_ctl_elem_value *ucontrol)
1671 {
1672         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1673         hda_nid_t nid = kcontrol->private_value;
1674         unsigned short val;
1675         unsigned int sbits;
1676
1677         val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT_1, 0);
1678         sbits = convert_to_spdif_status(val);
1679         ucontrol->value.iec958.status[0] = sbits;
1680         ucontrol->value.iec958.status[1] = sbits >> 8;
1681         ucontrol->value.iec958.status[2] = sbits >> 16;
1682         ucontrol->value.iec958.status[3] = sbits >> 24;
1683         return 0;
1684 }
1685
1686 static struct snd_kcontrol_new dig_in_ctls[] = {
1687         {
1688                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1689                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
1690                 .info = snd_hda_spdif_in_switch_info,
1691                 .get = snd_hda_spdif_in_switch_get,
1692                 .put = snd_hda_spdif_in_switch_put,
1693         },
1694         {
1695                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1696                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1697                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1698                 .info = snd_hda_spdif_mask_info,
1699                 .get = snd_hda_spdif_in_status_get,
1700         },
1701         { } /* end */
1702 };
1703
1704 /**
1705  * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1706  * @codec: the HDA codec
1707  * @nid: audio in widget NID
1708  *
1709  * Creates controls related with the SPDIF input.
1710  * Called from each patch supporting the SPDIF in.
1711  *
1712  * Returns 0 if successful, or a negative error code.
1713  */
1714 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
1715 {
1716         int err;
1717         struct snd_kcontrol *kctl;
1718         struct snd_kcontrol_new *dig_mix;
1719         int idx;
1720
1721         for (idx = 0; idx < SPDIF_MAX_IDX; idx++) {
1722                 if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Capture Switch",
1723                                              idx))
1724                         break;
1725         }
1726         if (idx >= SPDIF_MAX_IDX) {
1727                 printk(KERN_ERR "hda_codec: too many IEC958 inputs\n");
1728                 return -EBUSY;
1729         }
1730         for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
1731                 kctl = snd_ctl_new1(dig_mix, codec);
1732                 kctl->private_value = nid;
1733                 err = snd_ctl_add(codec->bus->card, kctl);
1734                 if (err < 0)
1735                         return err;
1736         }
1737         codec->spdif_in_enable =
1738                 snd_hda_codec_read(codec, nid, 0,
1739                                    AC_VERB_GET_DIGI_CONVERT_1, 0) &
1740                 AC_DIG1_ENABLE;
1741         return 0;
1742 }
1743
1744 #ifdef SND_HDA_NEEDS_RESUME
1745 /*
1746  * command cache
1747  */
1748
1749 /* build a 32bit cache key with the widget id and the command parameter */
1750 #define build_cmd_cache_key(nid, verb)  ((verb << 8) | nid)
1751 #define get_cmd_cache_nid(key)          ((key) & 0xff)
1752 #define get_cmd_cache_cmd(key)          (((key) >> 8) & 0xffff)
1753
1754 /**
1755  * snd_hda_codec_write_cache - send a single command with caching
1756  * @codec: the HDA codec
1757  * @nid: NID to send the command
1758  * @direct: direct flag
1759  * @verb: the verb to send
1760  * @parm: the parameter for the verb
1761  *
1762  * Send a single command without waiting for response.
1763  *
1764  * Returns 0 if successful, or a negative error code.
1765  */
1766 int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
1767                               int direct, unsigned int verb, unsigned int parm)
1768 {
1769         int err;
1770         snd_hda_power_up(codec);
1771         mutex_lock(&codec->bus->cmd_mutex);
1772         err = codec->bus->ops.command(codec, nid, direct, verb, parm);
1773         if (!err) {
1774                 struct hda_cache_head *c;
1775                 u32 key = build_cmd_cache_key(nid, verb);
1776                 c = get_alloc_hash(&codec->cmd_cache, key);
1777                 if (c)
1778                         c->val = parm;
1779         }
1780         mutex_unlock(&codec->bus->cmd_mutex);
1781         snd_hda_power_down(codec);
1782         return err;
1783 }
1784
1785 /* resume the all commands from the cache */
1786 void snd_hda_codec_resume_cache(struct hda_codec *codec)
1787 {
1788         struct hda_cache_head *buffer = codec->cmd_cache.buffer;
1789         int i;
1790
1791         for (i = 0; i < codec->cmd_cache.size; i++, buffer++) {
1792                 u32 key = buffer->key;
1793                 if (!key)
1794                         continue;
1795                 snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0,
1796                                     get_cmd_cache_cmd(key), buffer->val);
1797         }
1798 }
1799
1800 /**
1801  * snd_hda_sequence_write_cache - sequence writes with caching
1802  * @codec: the HDA codec
1803  * @seq: VERB array to send
1804  *
1805  * Send the commands sequentially from the given array.
1806  * Thte commands are recorded on cache for power-save and resume.
1807  * The array must be terminated with NID=0.
1808  */
1809 void snd_hda_sequence_write_cache(struct hda_codec *codec,
1810                                   const struct hda_verb *seq)
1811 {
1812         for (; seq->nid; seq++)
1813                 snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb,
1814                                           seq->param);
1815 }
1816 #endif /* SND_HDA_NEEDS_RESUME */
1817
1818 /*
1819  * set power state of the codec
1820  */
1821 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
1822                                 unsigned int power_state)
1823 {
1824         hda_nid_t nid;
1825         int i;
1826
1827         snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE,
1828                             power_state);
1829         msleep(10); /* partial workaround for "azx_get_response timeout" */
1830
1831         nid = codec->start_nid;
1832         for (i = 0; i < codec->num_nodes; i++, nid++) {
1833                 unsigned int wcaps = get_wcaps(codec, nid);
1834                 if (wcaps & AC_WCAP_POWER) {
1835                         unsigned int wid_type = (wcaps & AC_WCAP_TYPE) >>
1836                                 AC_WCAP_TYPE_SHIFT;
1837                         if (wid_type == AC_WID_PIN) {
1838                                 unsigned int pincap;
1839                                 /*
1840                                  * don't power down the widget if it controls
1841                                  * eapd and EAPD_BTLENABLE is set.
1842                                  */
1843                                 pincap = snd_hda_param_read(codec, nid,
1844                                                             AC_PAR_PIN_CAP);
1845                                 if (pincap & AC_PINCAP_EAPD) {
1846                                         int eapd = snd_hda_codec_read(codec,
1847                                                 nid, 0,
1848                                                 AC_VERB_GET_EAPD_BTLENABLE, 0);
1849                                         eapd &= 0x02;
1850                                         if (power_state == AC_PWRST_D3 && eapd)
1851                                                 continue;
1852                                 }
1853                         }
1854                         snd_hda_codec_write(codec, nid, 0,
1855                                             AC_VERB_SET_POWER_STATE,
1856                                             power_state);
1857                 }
1858         }
1859
1860         if (power_state == AC_PWRST_D0) {
1861                 unsigned long end_time;
1862                 int state;
1863                 msleep(10);
1864                 /* wait until the codec reachs to D0 */
1865                 end_time = jiffies + msecs_to_jiffies(500);
1866                 do {
1867                         state = snd_hda_codec_read(codec, fg, 0,
1868                                                    AC_VERB_GET_POWER_STATE, 0);
1869                         if (state == power_state)
1870                                 break;
1871                         msleep(1);
1872                 } while (time_after_eq(end_time, jiffies));
1873         }
1874 }
1875
1876 #ifdef SND_HDA_NEEDS_RESUME
1877 /*
1878  * call suspend and power-down; used both from PM and power-save
1879  */
1880 static void hda_call_codec_suspend(struct hda_codec *codec)
1881 {
1882         if (codec->patch_ops.suspend)
1883                 codec->patch_ops.suspend(codec, PMSG_SUSPEND);
1884         hda_set_power_state(codec,
1885                             codec->afg ? codec->afg : codec->mfg,
1886                             AC_PWRST_D3);
1887 #ifdef CONFIG_SND_HDA_POWER_SAVE
1888         cancel_delayed_work(&codec->power_work);
1889         codec->power_on = 0;
1890         codec->power_transition = 0;
1891 #endif
1892 }
1893
1894 /*
1895  * kick up codec; used both from PM and power-save
1896  */
1897 static void hda_call_codec_resume(struct hda_codec *codec)
1898 {
1899         hda_set_power_state(codec,
1900                             codec->afg ? codec->afg : codec->mfg,
1901                             AC_PWRST_D0);
1902         if (codec->patch_ops.resume)
1903                 codec->patch_ops.resume(codec);
1904         else {
1905                 if (codec->patch_ops.init)
1906                         codec->patch_ops.init(codec);
1907                 snd_hda_codec_resume_amp(codec);
1908                 snd_hda_codec_resume_cache(codec);
1909         }
1910 }
1911 #endif /* SND_HDA_NEEDS_RESUME */
1912
1913
1914 /**
1915  * snd_hda_build_controls - build mixer controls
1916  * @bus: the BUS
1917  *
1918  * Creates mixer controls for each codec included in the bus.
1919  *
1920  * Returns 0 if successful, otherwise a negative error code.
1921  */
1922 int __devinit snd_hda_build_controls(struct hda_bus *bus)
1923 {
1924         struct hda_codec *codec;
1925
1926         list_for_each_entry(codec, &bus->codec_list, list) {
1927                 int err = 0;
1928                 /* fake as if already powered-on */
1929                 hda_keep_power_on(codec);
1930                 /* then fire up */
1931                 hda_set_power_state(codec,
1932                                     codec->afg ? codec->afg : codec->mfg,
1933                                     AC_PWRST_D0);
1934                 /* continue to initialize... */
1935                 if (codec->patch_ops.init)
1936                         err = codec->patch_ops.init(codec);
1937                 if (!err && codec->patch_ops.build_controls)
1938                         err = codec->patch_ops.build_controls(codec);
1939                 snd_hda_power_down(codec);
1940                 if (err < 0)
1941                         return err;
1942         }
1943
1944         return 0;
1945 }
1946
1947 /*
1948  * stream formats
1949  */
1950 struct hda_rate_tbl {
1951         unsigned int hz;
1952         unsigned int alsa_bits;
1953         unsigned int hda_fmt;
1954 };
1955
1956 static struct hda_rate_tbl rate_bits[] = {
1957         /* rate in Hz, ALSA rate bitmask, HDA format value */
1958
1959         /* autodetected value used in snd_hda_query_supported_pcm */
1960         { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
1961         { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
1962         { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
1963         { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
1964         { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
1965         { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
1966         { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
1967         { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
1968         { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
1969         { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
1970         { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
1971 #define AC_PAR_PCM_RATE_BITS    11
1972         /* up to bits 10, 384kHZ isn't supported properly */
1973
1974         /* not autodetected value */
1975         { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
1976
1977         { 0 } /* terminator */
1978 };
1979
1980 /**
1981  * snd_hda_calc_stream_format - calculate format bitset
1982  * @rate: the sample rate
1983  * @channels: the number of channels
1984  * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
1985  * @maxbps: the max. bps
1986  *
1987  * Calculate the format bitset from the given rate, channels and th PCM format.
1988  *
1989  * Return zero if invalid.
1990  */
1991 unsigned int snd_hda_calc_stream_format(unsigned int rate,
1992                                         unsigned int channels,
1993                                         unsigned int format,
1994                                         unsigned int maxbps)
1995 {
1996         int i;
1997         unsigned int val = 0;
1998
1999         for (i = 0; rate_bits[i].hz; i++)
2000                 if (rate_bits[i].hz == rate) {
2001                         val = rate_bits[i].hda_fmt;
2002                         break;
2003                 }
2004         if (!rate_bits[i].hz) {
2005                 snd_printdd("invalid rate %d\n", rate);
2006                 return 0;
2007         }
2008
2009         if (channels == 0 || channels > 8) {
2010                 snd_printdd("invalid channels %d\n", channels);
2011                 return 0;
2012         }
2013         val |= channels - 1;
2014
2015         switch (snd_pcm_format_width(format)) {
2016         case 8:  val |= 0x00; break;
2017         case 16: val |= 0x10; break;
2018         case 20:
2019         case 24:
2020         case 32:
2021                 if (maxbps >= 32)
2022                         val |= 0x40;
2023                 else if (maxbps >= 24)
2024                         val |= 0x30;
2025                 else
2026                         val |= 0x20;
2027                 break;
2028         default:
2029                 snd_printdd("invalid format width %d\n",
2030                             snd_pcm_format_width(format));
2031                 return 0;
2032         }
2033
2034         return val;
2035 }
2036
2037 /**
2038  * snd_hda_query_supported_pcm - query the supported PCM rates and formats
2039  * @codec: the HDA codec
2040  * @nid: NID to query
2041  * @ratesp: the pointer to store the detected rate bitflags
2042  * @formatsp: the pointer to store the detected formats
2043  * @bpsp: the pointer to store the detected format widths
2044  *
2045  * Queries the supported PCM rates and formats.  The NULL @ratesp, @formatsp
2046  * or @bsps argument is ignored.
2047  *
2048  * Returns 0 if successful, otherwise a negative error code.
2049  */
2050 int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
2051                                 u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
2052 {
2053         int i;
2054         unsigned int val, streams;
2055
2056         val = 0;
2057         if (nid != codec->afg &&
2058             (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
2059                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
2060                 if (val == -1)
2061                         return -EIO;
2062         }
2063         if (!val)
2064                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
2065
2066         if (ratesp) {
2067                 u32 rates = 0;
2068                 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) {
2069                         if (val & (1 << i))
2070                                 rates |= rate_bits[i].alsa_bits;
2071                 }
2072                 *ratesp = rates;
2073         }
2074
2075         if (formatsp || bpsp) {
2076                 u64 formats = 0;
2077                 unsigned int bps;
2078                 unsigned int wcaps;
2079
2080                 wcaps = get_wcaps(codec, nid);
2081                 streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
2082                 if (streams == -1)
2083                         return -EIO;
2084                 if (!streams) {
2085                         streams = snd_hda_param_read(codec, codec->afg,
2086                                                      AC_PAR_STREAM);
2087                         if (streams == -1)
2088                                 return -EIO;
2089                 }
2090
2091                 bps = 0;
2092                 if (streams & AC_SUPFMT_PCM) {
2093                         if (val & AC_SUPPCM_BITS_8) {
2094                                 formats |= SNDRV_PCM_FMTBIT_U8;
2095                                 bps = 8;
2096                         }
2097                         if (val & AC_SUPPCM_BITS_16) {
2098                                 formats |= SNDRV_PCM_FMTBIT_S16_LE;
2099                                 bps = 16;
2100                         }
2101                         if (wcaps & AC_WCAP_DIGITAL) {
2102                                 if (val & AC_SUPPCM_BITS_32)
2103                                         formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
2104                                 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
2105                                         formats |= SNDRV_PCM_FMTBIT_S32_LE;
2106                                 if (val & AC_SUPPCM_BITS_24)
2107                                         bps = 24;
2108                                 else if (val & AC_SUPPCM_BITS_20)
2109                                         bps = 20;
2110                         } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|
2111                                           AC_SUPPCM_BITS_32)) {
2112                                 formats |= SNDRV_PCM_FMTBIT_S32_LE;
2113                                 if (val & AC_SUPPCM_BITS_32)
2114                                         bps = 32;
2115                                 else if (val & AC_SUPPCM_BITS_24)
2116                                         bps = 24;
2117                                 else if (val & AC_SUPPCM_BITS_20)
2118                                         bps = 20;
2119                         }
2120                 }
2121                 else if (streams == AC_SUPFMT_FLOAT32) {
2122                         /* should be exclusive */
2123                         formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
2124                         bps = 32;
2125                 } else if (streams == AC_SUPFMT_AC3) {
2126                         /* should be exclusive */
2127                         /* temporary hack: we have still no proper support
2128                          * for the direct AC3 stream...
2129                          */
2130                         formats |= SNDRV_PCM_FMTBIT_U8;
2131                         bps = 8;
2132                 }
2133                 if (formatsp)
2134                         *formatsp = formats;
2135                 if (bpsp)
2136                         *bpsp = bps;
2137         }
2138
2139         return 0;
2140 }
2141
2142 /**
2143  * snd_hda_is_supported_format - check whether the given node supports
2144  * the format val
2145  *
2146  * Returns 1 if supported, 0 if not.
2147  */
2148 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
2149                                 unsigned int format)
2150 {
2151         int i;
2152         unsigned int val = 0, rate, stream;
2153
2154         if (nid != codec->afg &&
2155             (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
2156                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
2157                 if (val == -1)
2158                         return 0;
2159         }
2160         if (!val) {
2161                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
2162                 if (val == -1)
2163                         return 0;
2164         }
2165
2166         rate = format & 0xff00;
2167         for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)
2168                 if (rate_bits[i].hda_fmt == rate) {
2169                         if (val & (1 << i))
2170                                 break;
2171                         return 0;
2172                 }
2173         if (i >= AC_PAR_PCM_RATE_BITS)
2174                 return 0;
2175
2176         stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
2177         if (stream == -1)
2178                 return 0;
2179         if (!stream && nid != codec->afg)
2180                 stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
2181         if (!stream || stream == -1)
2182                 return 0;
2183
2184         if (stream & AC_SUPFMT_PCM) {
2185                 switch (format & 0xf0) {
2186                 case 0x00:
2187                         if (!(val & AC_SUPPCM_BITS_8))
2188                                 return 0;
2189                         break;
2190                 case 0x10:
2191                         if (!(val & AC_SUPPCM_BITS_16))
2192                                 return 0;
2193                         break;
2194                 case 0x20:
2195                         if (!(val & AC_SUPPCM_BITS_20))
2196                                 return 0;
2197                         break;
2198                 case 0x30:
2199                         if (!(val & AC_SUPPCM_BITS_24))
2200                                 return 0;
2201                         break;
2202                 case 0x40:
2203                         if (!(val & AC_SUPPCM_BITS_32))
2204                                 return 0;
2205                         break;
2206                 default:
2207                         return 0;
2208                 }
2209         } else {
2210                 /* FIXME: check for float32 and AC3? */
2211         }
2212
2213         return 1;
2214 }
2215
2216 /*
2217  * PCM stuff
2218  */
2219 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
2220                                       struct hda_codec *codec,
2221                                       struct snd_pcm_substream *substream)
2222 {
2223         return 0;
2224 }
2225
2226 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
2227                                    struct hda_codec *codec,
2228                                    unsigned int stream_tag,
2229                                    unsigned int format,
2230                                    struct snd_pcm_substream *substream)
2231 {
2232         snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
2233         return 0;
2234 }
2235
2236 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
2237                                    struct hda_codec *codec,
2238                                    struct snd_pcm_substream *substream)
2239 {
2240         snd_hda_codec_cleanup_stream(codec, hinfo->nid);
2241         return 0;
2242 }
2243
2244 static int __devinit set_pcm_default_values(struct hda_codec *codec,
2245                                             struct hda_pcm_stream *info)
2246 {
2247         /* query support PCM information from the given NID */
2248         if (info->nid && (!info->rates || !info->formats)) {
2249                 snd_hda_query_supported_pcm(codec, info->nid,
2250                                 info->rates ? NULL : &info->rates,
2251                                 info->formats ? NULL : &info->formats,
2252                                 info->maxbps ? NULL : &info->maxbps);
2253         }
2254         if (info->ops.open == NULL)
2255                 info->ops.open = hda_pcm_default_open_close;
2256         if (info->ops.close == NULL)
2257                 info->ops.close = hda_pcm_default_open_close;
2258         if (info->ops.prepare == NULL) {
2259                 if (snd_BUG_ON(!info->nid))
2260                         return -EINVAL;
2261                 info->ops.prepare = hda_pcm_default_prepare;
2262         }
2263         if (info->ops.cleanup == NULL) {
2264                 if (snd_BUG_ON(!info->nid))
2265                         return -EINVAL;
2266                 info->ops.cleanup = hda_pcm_default_cleanup;
2267         }
2268         return 0;
2269 }
2270
2271 /**
2272  * snd_hda_build_pcms - build PCM information
2273  * @bus: the BUS
2274  *
2275  * Create PCM information for each codec included in the bus.
2276  *
2277  * The build_pcms codec patch is requested to set up codec->num_pcms and
2278  * codec->pcm_info properly.  The array is referred by the top-level driver
2279  * to create its PCM instances.
2280  * The allocated codec->pcm_info should be released in codec->patch_ops.free
2281  * callback.
2282  *
2283  * At least, substreams, channels_min and channels_max must be filled for
2284  * each stream.  substreams = 0 indicates that the stream doesn't exist.
2285  * When rates and/or formats are zero, the supported values are queried
2286  * from the given nid.  The nid is used also by the default ops.prepare
2287  * and ops.cleanup callbacks.
2288  *
2289  * The driver needs to call ops.open in its open callback.  Similarly,
2290  * ops.close is supposed to be called in the close callback.
2291  * ops.prepare should be called in the prepare or hw_params callback
2292  * with the proper parameters for set up.
2293  * ops.cleanup should be called in hw_free for clean up of streams.
2294  *
2295  * This function returns 0 if successfull, or a negative error code.
2296  */
2297 int __devinit snd_hda_build_pcms(struct hda_bus *bus)
2298 {
2299         struct hda_codec *codec;
2300
2301         list_for_each_entry(codec, &bus->codec_list, list) {
2302                 unsigned int pcm, s;
2303                 int err;
2304                 if (!codec->patch_ops.build_pcms)
2305                         continue;
2306                 err = codec->patch_ops.build_pcms(codec);
2307                 if (err < 0)
2308                         return err;
2309                 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
2310                         for (s = 0; s < 2; s++) {
2311                                 struct hda_pcm_stream *info;
2312                                 info = &codec->pcm_info[pcm].stream[s];
2313                                 if (!info->substreams)
2314                                         continue;
2315                                 err = set_pcm_default_values(codec, info);
2316                                 if (err < 0)
2317                                         return err;
2318                         }
2319                 }
2320         }
2321         return 0;
2322 }
2323
2324 /**
2325  * snd_hda_check_board_config - compare the current codec with the config table
2326  * @codec: the HDA codec
2327  * @num_configs: number of config enums
2328  * @models: array of model name strings
2329  * @tbl: configuration table, terminated by null entries
2330  *
2331  * Compares the modelname or PCI subsystem id of the current codec with the
2332  * given configuration table.  If a matching entry is found, returns its
2333  * config value (supposed to be 0 or positive).
2334  *
2335  * If no entries are matching, the function returns a negative value.
2336  */
2337 int snd_hda_check_board_config(struct hda_codec *codec,
2338                                int num_configs, const char **models,
2339                                const struct snd_pci_quirk *tbl)
2340 {
2341         if (codec->bus->modelname && models) {
2342                 int i;
2343                 for (i = 0; i < num_configs; i++) {
2344                         if (models[i] &&
2345                             !strcmp(codec->bus->modelname, models[i])) {
2346                                 snd_printd(KERN_INFO "hda_codec: model '%s' is "
2347                                            "selected\n", models[i]);
2348                                 return i;
2349                         }
2350                 }
2351         }
2352
2353         if (!codec->bus->pci || !tbl)
2354                 return -1;
2355
2356         tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl);
2357         if (!tbl)
2358                 return -1;
2359         if (tbl->value >= 0 && tbl->value < num_configs) {
2360 #ifdef CONFIG_SND_DEBUG_VERBOSE
2361                 char tmp[10];
2362                 const char *model = NULL;
2363                 if (models)
2364                         model = models[tbl->value];
2365                 if (!model) {
2366                         sprintf(tmp, "#%d", tbl->value);
2367                         model = tmp;
2368                 }
2369                 snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
2370                             "for config %x:%x (%s)\n",
2371                             model, tbl->subvendor, tbl->subdevice,
2372                             (tbl->name ? tbl->name : "Unknown device"));
2373 #endif
2374                 return tbl->value;
2375         }
2376         return -1;
2377 }
2378
2379 /**
2380  * snd_hda_add_new_ctls - create controls from the array
2381  * @codec: the HDA codec
2382  * @knew: the array of struct snd_kcontrol_new
2383  *
2384  * This helper function creates and add new controls in the given array.
2385  * The array must be terminated with an empty entry as terminator.
2386  *
2387  * Returns 0 if successful, or a negative error code.
2388  */
2389 int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
2390 {
2391         int err;
2392
2393         for (; knew->name; knew++) {
2394                 struct snd_kcontrol *kctl;
2395                 kctl = snd_ctl_new1(knew, codec);
2396                 if (!kctl)
2397                         return -ENOMEM;
2398                 err = snd_ctl_add(codec->bus->card, kctl);
2399                 if (err < 0) {
2400                         if (!codec->addr)
2401                                 return err;
2402                         kctl = snd_ctl_new1(knew, codec);
2403                         if (!kctl)
2404                                 return -ENOMEM;
2405                         kctl->id.device = codec->addr;
2406                         err = snd_ctl_add(codec->bus->card, kctl);
2407                         if (err < 0)
2408                                 return err;
2409                 }
2410         }
2411         return 0;
2412 }
2413
2414 #ifdef CONFIG_SND_HDA_POWER_SAVE
2415 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2416                                 unsigned int power_state);
2417
2418 static void hda_power_work(struct work_struct *work)
2419 {
2420         struct hda_codec *codec =
2421                 container_of(work, struct hda_codec, power_work.work);
2422
2423         if (!codec->power_on || codec->power_count) {
2424                 codec->power_transition = 0;
2425                 return;
2426         }
2427
2428         hda_call_codec_suspend(codec);
2429         if (codec->bus->ops.pm_notify)
2430                 codec->bus->ops.pm_notify(codec);
2431 }
2432
2433 static void hda_keep_power_on(struct hda_codec *codec)
2434 {
2435         codec->power_count++;
2436         codec->power_on = 1;
2437 }
2438
2439 void snd_hda_power_up(struct hda_codec *codec)
2440 {
2441         codec->power_count++;
2442         if (codec->power_on || codec->power_transition)
2443                 return;
2444
2445         codec->power_on = 1;
2446         if (codec->bus->ops.pm_notify)
2447                 codec->bus->ops.pm_notify(codec);
2448         hda_call_codec_resume(codec);
2449         cancel_delayed_work(&codec->power_work);
2450         codec->power_transition = 0;
2451 }
2452
2453 void snd_hda_power_down(struct hda_codec *codec)
2454 {
2455         --codec->power_count;
2456         if (!codec->power_on || codec->power_count || codec->power_transition)
2457                 return;
2458         if (power_save) {
2459                 codec->power_transition = 1; /* avoid reentrance */
2460                 schedule_delayed_work(&codec->power_work,
2461                                       msecs_to_jiffies(power_save * 1000));
2462         }
2463 }
2464
2465 int snd_hda_check_amp_list_power(struct hda_codec *codec,
2466                                  struct hda_loopback_check *check,
2467                                  hda_nid_t nid)
2468 {
2469         struct hda_amp_list *p;
2470         int ch, v;
2471
2472         if (!check->amplist)
2473                 return 0;
2474         for (p = check->amplist; p->nid; p++) {
2475                 if (p->nid == nid)
2476                         break;
2477         }
2478         if (!p->nid)
2479                 return 0; /* nothing changed */
2480
2481         for (p = check->amplist; p->nid; p++) {
2482                 for (ch = 0; ch < 2; ch++) {
2483                         v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
2484                                                    p->idx);
2485                         if (!(v & HDA_AMP_MUTE) && v > 0) {
2486                                 if (!check->power_on) {
2487                                         check->power_on = 1;
2488                                         snd_hda_power_up(codec);
2489                                 }
2490                                 return 1;
2491                         }
2492                 }
2493         }
2494         if (check->power_on) {
2495                 check->power_on = 0;
2496                 snd_hda_power_down(codec);
2497         }
2498         return 0;
2499 }
2500 #endif
2501
2502 /*
2503  * Channel mode helper
2504  */
2505 int snd_hda_ch_mode_info(struct hda_codec *codec,
2506                          struct snd_ctl_elem_info *uinfo,
2507                          const struct hda_channel_mode *chmode,
2508                          int num_chmodes)
2509 {
2510         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2511         uinfo->count = 1;
2512         uinfo->value.enumerated.items = num_chmodes;
2513         if (uinfo->value.enumerated.item >= num_chmodes)
2514                 uinfo->value.enumerated.item = num_chmodes - 1;
2515         sprintf(uinfo->value.enumerated.name, "%dch",
2516                 chmode[uinfo->value.enumerated.item].channels);
2517         return 0;
2518 }
2519
2520 int snd_hda_ch_mode_get(struct hda_codec *codec,
2521                         struct snd_ctl_elem_value *ucontrol,
2522                         const struct hda_channel_mode *chmode,
2523                         int num_chmodes,
2524                         int max_channels)
2525 {
2526         int i;
2527
2528         for (i = 0; i < num_chmodes; i++) {
2529                 if (max_channels == chmode[i].channels) {
2530                         ucontrol->value.enumerated.item[0] = i;
2531                         break;
2532                 }
2533         }
2534         return 0;
2535 }
2536
2537 int snd_hda_ch_mode_put(struct hda_codec *codec,
2538                         struct snd_ctl_elem_value *ucontrol,
2539                         const struct hda_channel_mode *chmode,
2540                         int num_chmodes,
2541                         int *max_channelsp)
2542 {
2543         unsigned int mode;
2544
2545         mode = ucontrol->value.enumerated.item[0];
2546         if (mode >= num_chmodes)
2547                 return -EINVAL;
2548         if (*max_channelsp == chmode[mode].channels)
2549                 return 0;
2550         /* change the current channel setting */
2551         *max_channelsp = chmode[mode].channels;
2552         if (chmode[mode].sequence)
2553                 snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
2554         return 1;
2555 }
2556
2557 /*
2558  * input MUX helper
2559  */
2560 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
2561                            struct snd_ctl_elem_info *uinfo)
2562 {
2563         unsigned int index;
2564
2565         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2566         uinfo->count = 1;
2567         uinfo->value.enumerated.items = imux->num_items;
2568         if (!imux->num_items)
2569                 return 0;
2570         index = uinfo->value.enumerated.item;
2571         if (index >= imux->num_items)
2572                 index = imux->num_items - 1;
2573         strcpy(uinfo->value.enumerated.name, imux->items[index].label);
2574         return 0;
2575 }
2576
2577 int snd_hda_input_mux_put(struct hda_codec *codec,
2578                           const struct hda_input_mux *imux,
2579                           struct snd_ctl_elem_value *ucontrol,
2580                           hda_nid_t nid,
2581                           unsigned int *cur_val)
2582 {
2583         unsigned int idx;
2584
2585         if (!imux->num_items)
2586                 return 0;
2587         idx = ucontrol->value.enumerated.item[0];
2588         if (idx >= imux->num_items)
2589                 idx = imux->num_items - 1;
2590         if (*cur_val == idx)
2591                 return 0;
2592         snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
2593                                   imux->items[idx].index);
2594         *cur_val = idx;
2595         return 1;
2596 }
2597
2598
2599 /*
2600  * Multi-channel / digital-out PCM helper functions
2601  */
2602
2603 /* setup SPDIF output stream */
2604 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
2605                                  unsigned int stream_tag, unsigned int format)
2606 {
2607         hda_nid_t *d;
2608
2609         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2610         if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) {
2611                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
2612                             codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
2613
2614                 if (codec->slave_dig_outs)
2615                         for (d = codec->slave_dig_outs; *d; d++)
2616                                 snd_hda_codec_write(codec, *d, 0,
2617                                     AC_VERB_SET_DIGI_CONVERT_1,
2618                                     codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
2619         }
2620         snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
2621         /* turn on again (if needed) */
2622         if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) {
2623                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
2624                                     codec->spdif_ctls & 0xff);
2625
2626                 if (codec->slave_dig_outs)
2627                         for (d = codec->slave_dig_outs; *d; d++)
2628                                 snd_hda_codec_write(codec, *d, 0,
2629                                     AC_VERB_SET_DIGI_CONVERT_1,
2630                                     codec->spdif_ctls & 0xff);
2631         }
2632
2633 }
2634
2635 /*
2636  * open the digital out in the exclusive mode
2637  */
2638 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
2639                                struct hda_multi_out *mout)
2640 {
2641         mutex_lock(&codec->spdif_mutex);
2642         if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
2643                 /* already opened as analog dup; reset it once */
2644                 snd_hda_codec_cleanup_stream(codec, mout->dig_out_nid);
2645         mout->dig_out_used = HDA_DIG_EXCLUSIVE;
2646         mutex_unlock(&codec->spdif_mutex);
2647         return 0;
2648 }
2649
2650 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
2651                                   struct hda_multi_out *mout,
2652                                   unsigned int stream_tag,
2653                                   unsigned int format,
2654                                   struct snd_pcm_substream *substream)
2655 {
2656         hda_nid_t *nid;
2657         mutex_lock(&codec->spdif_mutex);
2658         setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
2659         if (codec->slave_dig_outs)
2660                 for (nid = codec->slave_dig_outs; *nid; nid++)
2661                         setup_dig_out_stream(codec, *nid, stream_tag, format);
2662         mutex_unlock(&codec->spdif_mutex);
2663         return 0;
2664 }
2665
2666 /*
2667  * release the digital out
2668  */
2669 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
2670                                 struct hda_multi_out *mout)
2671 {
2672         mutex_lock(&codec->spdif_mutex);
2673         mout->dig_out_used = 0;
2674         mutex_unlock(&codec->spdif_mutex);
2675         return 0;
2676 }
2677
2678 /*
2679  * set up more restrictions for analog out
2680  */
2681 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
2682                                   struct hda_multi_out *mout,
2683                                   struct snd_pcm_substream *substream,
2684                                   struct hda_pcm_stream *hinfo)
2685 {
2686         struct snd_pcm_runtime *runtime = substream->runtime;
2687         runtime->hw.channels_max = mout->max_channels;
2688         if (mout->dig_out_nid) {
2689                 if (!mout->analog_rates) {
2690                         mout->analog_rates = hinfo->rates;
2691                         mout->analog_formats = hinfo->formats;
2692                         mout->analog_maxbps = hinfo->maxbps;
2693                 } else {
2694                         runtime->hw.rates = mout->analog_rates;
2695                         runtime->hw.formats = mout->analog_formats;
2696                         hinfo->maxbps = mout->analog_maxbps;
2697                 }
2698                 if (!mout->spdif_rates) {
2699                         snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
2700                                                     &mout->spdif_rates,
2701                                                     &mout->spdif_formats,
2702                                                     &mout->spdif_maxbps);
2703                 }
2704                 mutex_lock(&codec->spdif_mutex);
2705                 if (mout->share_spdif) {
2706                         runtime->hw.rates &= mout->spdif_rates;
2707                         runtime->hw.formats &= mout->spdif_formats;
2708                         if (mout->spdif_maxbps < hinfo->maxbps)
2709                                 hinfo->maxbps = mout->spdif_maxbps;
2710                 }
2711                 mutex_unlock(&codec->spdif_mutex);
2712         }
2713         return snd_pcm_hw_constraint_step(substream->runtime, 0,
2714                                           SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2715 }
2716
2717 /*
2718  * set up the i/o for analog out
2719  * when the digital out is available, copy the front out to digital out, too.
2720  */
2721 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
2722                                      struct hda_multi_out *mout,
2723                                      unsigned int stream_tag,
2724                                      unsigned int format,
2725                                      struct snd_pcm_substream *substream)
2726 {
2727         hda_nid_t *nids = mout->dac_nids;
2728         hda_nid_t *d;
2729         int chs = substream->runtime->channels;
2730         int i;
2731
2732         mutex_lock(&codec->spdif_mutex);
2733         if (mout->dig_out_nid && mout->share_spdif &&
2734             mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
2735                 if (chs == 2 &&
2736                     snd_hda_is_supported_format(codec, mout->dig_out_nid,
2737                                                 format) &&
2738                     !(codec->spdif_status & IEC958_AES0_NONAUDIO)) {
2739                         mout->dig_out_used = HDA_DIG_ANALOG_DUP;
2740                         setup_dig_out_stream(codec, mout->dig_out_nid,
2741                                              stream_tag, format);
2742                         if (codec->slave_dig_outs)
2743                                 for (d = codec->slave_dig_outs; *d; d++)
2744                                         setup_dig_out_stream(codec, *d,
2745                                                 stream_tag, format);
2746                 } else {
2747                         mout->dig_out_used = 0;
2748                         snd_hda_codec_cleanup_stream(codec, mout->dig_out_nid);
2749                         if (codec->slave_dig_outs)
2750                                 for (d = codec->slave_dig_outs; *d; d++)
2751                                         snd_hda_codec_cleanup_stream(codec, *d);
2752                 }
2753         }
2754         mutex_unlock(&codec->spdif_mutex);
2755
2756         /* front */
2757         snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
2758                                    0, format);
2759         if (!mout->no_share_stream &&
2760             mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
2761                 /* headphone out will just decode front left/right (stereo) */
2762                 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
2763                                            0, format);
2764         /* extra outputs copied from front */
2765         for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2766                 if (!mout->no_share_stream && mout->extra_out_nid[i])
2767                         snd_hda_codec_setup_stream(codec,
2768                                                    mout->extra_out_nid[i],
2769                                                    stream_tag, 0, format);
2770
2771         /* surrounds */
2772         for (i = 1; i < mout->num_dacs; i++) {
2773                 if (chs >= (i + 1) * 2) /* independent out */
2774                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2775                                                    i * 2, format);
2776                 else if (!mout->no_share_stream) /* copy front */
2777                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2778                                                    0, format);
2779         }
2780         return 0;
2781 }
2782
2783 /*
2784  * clean up the setting for analog out
2785  */
2786 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
2787                                      struct hda_multi_out *mout)
2788 {
2789         hda_nid_t *nids = mout->dac_nids;
2790         int i;
2791
2792         for (i = 0; i < mout->num_dacs; i++)
2793                 snd_hda_codec_cleanup_stream(codec, nids[i]);
2794         if (mout->hp_nid)
2795                 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
2796         for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2797                 if (mout->extra_out_nid[i])
2798                         snd_hda_codec_cleanup_stream(codec,
2799                                                      mout->extra_out_nid[i]);
2800         mutex_lock(&codec->spdif_mutex);
2801         if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
2802                 snd_hda_codec_cleanup_stream(codec, mout->dig_out_nid);
2803                 mout->dig_out_used = 0;
2804         }
2805         mutex_unlock(&codec->spdif_mutex);
2806         return 0;
2807 }
2808
2809 /*
2810  * Helper for automatic ping configuration
2811  */
2812
2813 static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list)
2814 {
2815         for (; *list; list++)
2816                 if (*list == nid)
2817                         return 1;
2818         return 0;
2819 }
2820
2821
2822 /*
2823  * Sort an associated group of pins according to their sequence numbers.
2824  */
2825 static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences,
2826                                   int num_pins)
2827 {
2828         int i, j;
2829         short seq;
2830         hda_nid_t nid;
2831
2832         for (i = 0; i < num_pins; i++) {
2833                 for (j = i + 1; j < num_pins; j++) {
2834                         if (sequences[i] > sequences[j]) {
2835                                 seq = sequences[i];
2836                                 sequences[i] = sequences[j];
2837                                 sequences[j] = seq;
2838                                 nid = pins[i];
2839                                 pins[i] = pins[j];
2840                                 pins[j] = nid;
2841                         }
2842                 }
2843         }
2844 }
2845
2846
2847 /*
2848  * Parse all pin widgets and store the useful pin nids to cfg
2849  *
2850  * The number of line-outs or any primary output is stored in line_outs,
2851  * and the corresponding output pins are assigned to line_out_pins[],
2852  * in the order of front, rear, CLFE, side, ...
2853  *
2854  * If more extra outputs (speaker and headphone) are found, the pins are
2855  * assisnged to hp_pins[] and speaker_pins[], respectively.  If no line-out jack
2856  * is detected, one of speaker of HP pins is assigned as the primary
2857  * output, i.e. to line_out_pins[0].  So, line_outs is always positive
2858  * if any analog output exists.
2859  *
2860  * The analog input pins are assigned to input_pins array.
2861  * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
2862  * respectively.
2863  */
2864 int snd_hda_parse_pin_def_config(struct hda_codec *codec,
2865                                  struct auto_pin_cfg *cfg,
2866                                  hda_nid_t *ignore_nids)
2867 {
2868         hda_nid_t nid, end_nid;
2869         short seq, assoc_line_out, assoc_speaker;
2870         short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)];
2871         short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)];
2872         short sequences_hp[ARRAY_SIZE(cfg->hp_pins)];
2873
2874         memset(cfg, 0, sizeof(*cfg));
2875
2876         memset(sequences_line_out, 0, sizeof(sequences_line_out));
2877         memset(sequences_speaker, 0, sizeof(sequences_speaker));
2878         memset(sequences_hp, 0, sizeof(sequences_hp));
2879         assoc_line_out = assoc_speaker = 0;
2880
2881         end_nid = codec->start_nid + codec->num_nodes;
2882         for (nid = codec->start_nid; nid < end_nid; nid++) {
2883                 unsigned int wid_caps = get_wcaps(codec, nid);
2884                 unsigned int wid_type =
2885                         (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
2886                 unsigned int def_conf;
2887                 short assoc, loc;
2888
2889                 /* read all default configuration for pin complex */
2890                 if (wid_type != AC_WID_PIN)
2891                         continue;
2892                 /* ignore the given nids (e.g. pc-beep returns error) */
2893                 if (ignore_nids && is_in_nid_list(nid, ignore_nids))
2894                         continue;
2895
2896                 def_conf = snd_hda_codec_read(codec, nid, 0,
2897                                               AC_VERB_GET_CONFIG_DEFAULT, 0);
2898                 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
2899                         continue;
2900                 loc = get_defcfg_location(def_conf);
2901                 switch (get_defcfg_device(def_conf)) {
2902                 case AC_JACK_LINE_OUT:
2903                         seq = get_defcfg_sequence(def_conf);
2904                         assoc = get_defcfg_association(def_conf);
2905
2906                         if (!(wid_caps & AC_WCAP_STEREO))
2907                                 if (!cfg->mono_out_pin)
2908                                         cfg->mono_out_pin = nid;
2909                         if (!assoc)
2910                                 continue;
2911                         if (!assoc_line_out)
2912                                 assoc_line_out = assoc;
2913                         else if (assoc_line_out != assoc)
2914                                 continue;
2915                         if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
2916                                 continue;
2917                         cfg->line_out_pins[cfg->line_outs] = nid;
2918                         sequences_line_out[cfg->line_outs] = seq;
2919                         cfg->line_outs++;
2920                         break;
2921                 case AC_JACK_SPEAKER:
2922                         seq = get_defcfg_sequence(def_conf);
2923                         assoc = get_defcfg_association(def_conf);
2924                         if (! assoc)
2925                                 continue;
2926                         if (! assoc_speaker)
2927                                 assoc_speaker = assoc;
2928                         else if (assoc_speaker != assoc)
2929                                 continue;
2930                         if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
2931                                 continue;
2932                         cfg->speaker_pins[cfg->speaker_outs] = nid;
2933                         sequences_speaker[cfg->speaker_outs] = seq;
2934                         cfg->speaker_outs++;
2935                         break;
2936                 case AC_JACK_HP_OUT:
2937                         seq = get_defcfg_sequence(def_conf);
2938                         assoc = get_defcfg_association(def_conf);
2939                         if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
2940                                 continue;
2941                         cfg->hp_pins[cfg->hp_outs] = nid;
2942                         sequences_hp[cfg->hp_outs] = (assoc << 4) | seq;
2943                         cfg->hp_outs++;
2944                         break;
2945                 case AC_JACK_MIC_IN: {
2946                         int preferred, alt;
2947                         if (loc == AC_JACK_LOC_FRONT) {
2948                                 preferred = AUTO_PIN_FRONT_MIC;
2949                                 alt = AUTO_PIN_MIC;
2950                         } else {
2951                                 preferred = AUTO_PIN_MIC;
2952                                 alt = AUTO_PIN_FRONT_MIC;
2953                         }
2954                         if (!cfg->input_pins[preferred])
2955                                 cfg->input_pins[preferred] = nid;
2956                         else if (!cfg->input_pins[alt])
2957                                 cfg->input_pins[alt] = nid;
2958                         break;
2959                 }
2960                 case AC_JACK_LINE_IN:
2961                         if (loc == AC_JACK_LOC_FRONT)
2962                                 cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
2963                         else
2964                                 cfg->input_pins[AUTO_PIN_LINE] = nid;
2965                         break;
2966                 case AC_JACK_CD:
2967                         cfg->input_pins[AUTO_PIN_CD] = nid;
2968                         break;
2969                 case AC_JACK_AUX:
2970                         cfg->input_pins[AUTO_PIN_AUX] = nid;
2971                         break;
2972                 case AC_JACK_SPDIF_OUT:
2973                         cfg->dig_out_pin = nid;
2974                         break;
2975                 case AC_JACK_SPDIF_IN:
2976                         cfg->dig_in_pin = nid;
2977                         break;
2978                 }
2979         }
2980
2981         /* FIX-UP:
2982          * If no line-out is defined but multiple HPs are found,
2983          * some of them might be the real line-outs.
2984          */
2985         if (!cfg->line_outs && cfg->hp_outs > 1) {
2986                 int i = 0;
2987                 while (i < cfg->hp_outs) {
2988                         /* The real HPs should have the sequence 0x0f */
2989                         if ((sequences_hp[i] & 0x0f) == 0x0f) {
2990                                 i++;
2991                                 continue;
2992                         }
2993                         /* Move it to the line-out table */
2994                         cfg->line_out_pins[cfg->line_outs] = cfg->hp_pins[i];
2995                         sequences_line_out[cfg->line_outs] = sequences_hp[i];
2996                         cfg->line_outs++;
2997                         cfg->hp_outs--;
2998                         memmove(cfg->hp_pins + i, cfg->hp_pins + i + 1,
2999                                 sizeof(cfg->hp_pins[0]) * (cfg->hp_outs - i));
3000                         memmove(sequences_hp + i - 1, sequences_hp + i,
3001                                 sizeof(sequences_hp[0]) * (cfg->hp_outs - i));
3002                 }
3003         }
3004
3005         /* sort by sequence */
3006         sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out,
3007                               cfg->line_outs);
3008         sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker,
3009                               cfg->speaker_outs);
3010         sort_pins_by_sequence(cfg->hp_pins, sequences_hp,
3011                               cfg->hp_outs);
3012
3013         /* if we have only one mic, make it AUTO_PIN_MIC */
3014         if (!cfg->input_pins[AUTO_PIN_MIC] &&
3015             cfg->input_pins[AUTO_PIN_FRONT_MIC]) {
3016                 cfg->input_pins[AUTO_PIN_MIC] =
3017                         cfg->input_pins[AUTO_PIN_FRONT_MIC];
3018                 cfg->input_pins[AUTO_PIN_FRONT_MIC] = 0;
3019         }
3020         /* ditto for line-in */
3021         if (!cfg->input_pins[AUTO_PIN_LINE] &&
3022             cfg->input_pins[AUTO_PIN_FRONT_LINE]) {
3023                 cfg->input_pins[AUTO_PIN_LINE] =
3024                         cfg->input_pins[AUTO_PIN_FRONT_LINE];
3025                 cfg->input_pins[AUTO_PIN_FRONT_LINE] = 0;
3026         }
3027
3028         /*
3029          * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
3030          * as a primary output
3031          */
3032         if (!cfg->line_outs) {
3033                 if (cfg->speaker_outs) {
3034                         cfg->line_outs = cfg->speaker_outs;
3035                         memcpy(cfg->line_out_pins, cfg->speaker_pins,
3036                                sizeof(cfg->speaker_pins));
3037                         cfg->speaker_outs = 0;
3038                         memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
3039                         cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
3040                 } else if (cfg->hp_outs) {
3041                         cfg->line_outs = cfg->hp_outs;
3042                         memcpy(cfg->line_out_pins, cfg->hp_pins,
3043                                sizeof(cfg->hp_pins));
3044                         cfg->hp_outs = 0;
3045                         memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
3046                         cfg->line_out_type = AUTO_PIN_HP_OUT;
3047                 }
3048         }
3049
3050         /* Reorder the surround channels
3051          * ALSA sequence is front/surr/clfe/side
3052          * HDA sequence is:
3053          *    4-ch: front/surr  =>  OK as it is
3054          *    6-ch: front/clfe/surr
3055          *    8-ch: front/clfe/rear/side|fc
3056          */
3057         switch (cfg->line_outs) {
3058         case 3:
3059         case 4:
3060                 nid = cfg->line_out_pins[1];
3061                 cfg->line_out_pins[1] = cfg->line_out_pins[2];
3062                 cfg->line_out_pins[2] = nid;
3063                 break;
3064         }
3065
3066         /*
3067          * debug prints of the parsed results
3068          */
3069         snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3070                    cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
3071                    cfg->line_out_pins[2], cfg->line_out_pins[3],
3072                    cfg->line_out_pins[4]);
3073         snd_printd("   speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3074                    cfg->speaker_outs, cfg->speaker_pins[0],
3075                    cfg->speaker_pins[1], cfg->speaker_pins[2],
3076                    cfg->speaker_pins[3], cfg->speaker_pins[4]);
3077         snd_printd("   hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3078                    cfg->hp_outs, cfg->hp_pins[0],
3079                    cfg->hp_pins[1], cfg->hp_pins[2],
3080                    cfg->hp_pins[3], cfg->hp_pins[4]);
3081         snd_printd("   mono: mono_out=0x%x\n", cfg->mono_out_pin);
3082         snd_printd("   inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
3083                    " cd=0x%x, aux=0x%x\n",
3084                    cfg->input_pins[AUTO_PIN_MIC],
3085                    cfg->input_pins[AUTO_PIN_FRONT_MIC],
3086                    cfg->input_pins[AUTO_PIN_LINE],
3087                    cfg->input_pins[AUTO_PIN_FRONT_LINE],
3088                    cfg->input_pins[AUTO_PIN_CD],
3089                    cfg->input_pins[AUTO_PIN_AUX]);
3090
3091         return 0;
3092 }
3093
3094 /* labels for input pins */
3095 const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
3096         "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
3097 };
3098
3099
3100 #ifdef CONFIG_PM
3101 /*
3102  * power management
3103  */
3104
3105 /**
3106  * snd_hda_suspend - suspend the codecs
3107  * @bus: the HDA bus
3108  * @state: suspsend state
3109  *
3110  * Returns 0 if successful.
3111  */
3112 int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
3113 {
3114         struct hda_codec *codec;
3115
3116         list_for_each_entry(codec, &bus->codec_list, list) {
3117 #ifdef CONFIG_SND_HDA_POWER_SAVE
3118                 if (!codec->power_on)
3119                         continue;
3120 #endif
3121                 hda_call_codec_suspend(codec);
3122         }
3123         return 0;
3124 }
3125
3126 /**
3127  * snd_hda_resume - resume the codecs
3128  * @bus: the HDA bus
3129  * @state: resume state
3130  *
3131  * Returns 0 if successful.
3132  *
3133  * This fucntion is defined only when POWER_SAVE isn't set.
3134  * In the power-save mode, the codec is resumed dynamically.
3135  */
3136 int snd_hda_resume(struct hda_bus *bus)
3137 {
3138         struct hda_codec *codec;
3139
3140         list_for_each_entry(codec, &bus->codec_list, list) {
3141                 if (snd_hda_codec_needs_resume(codec))
3142                         hda_call_codec_resume(codec);
3143         }
3144         return 0;
3145 }
3146 #ifdef CONFIG_SND_HDA_POWER_SAVE
3147 int snd_hda_codecs_inuse(struct hda_bus *bus)
3148 {
3149         struct hda_codec *codec;
3150
3151         list_for_each_entry(codec, &bus->codec_list, list) {
3152                 if (snd_hda_codec_needs_resume(codec))
3153                         return 1;
3154         }
3155         return 0;
3156 }
3157 #endif
3158 #endif