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   1 /*
   2  * Universal Interface for Intel High Definition Audio Codec
   3  *
   4  * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
   5  *
   6  *
   7  *  This driver is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This driver is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  20  */
  21
  22 #include <linux/init.h>
  23 #include <linux/delay.h>
  24 #include <linux/slab.h>
  25 #include <linux/pci.h>
  26 #include <linux/mutex.h>
  27 #include <sound/core.h>
  28 #include "hda_codec.h"
  29 #include <sound/asoundef.h>
  30 #include <sound/tlv.h>
  31 #include <sound/initval.h>
  32 #include "hda_local.h"
  33 #include <sound/hda_hwdep.h>
  34 #include "hda_patch.h"  /* codec presets */
  35
  36 #ifdef CONFIG_SND_HDA_POWER_SAVE
  37 /* define this option here to hide as static */
  38 static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
  39 module_param(power_save, int, 0644);
  40 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
  41                  "(in second, 0 = disable).");
  42 #endif
  43
  44 /*
  45  * vendor / preset table
  46  */
  47
  48 struct hda_vendor_id {
  49         unsigned int id;
  50         const char *name;
  51 };
  52
  53 /* codec vendor labels */
  54 static struct hda_vendor_id hda_vendor_ids[] = {
  55         { 0x1002, "ATI" },
  56         { 0x1057, "Motorola" },
  57         { 0x1095, "Silicon Image" },
  58         { 0x10ec, "Realtek" },
  59         { 0x1106, "VIA" },
  60         { 0x111d, "IDT" },
  61         { 0x11c1, "LSI" },
  62         { 0x11d4, "Analog Devices" },
  63         { 0x13f6, "C-Media" },
  64         { 0x14f1, "Conexant" },
  65         { 0x17e8, "Chrontel" },
  66         { 0x1854, "LG" },
  67         { 0x434d, "C-Media" },
  68         { 0x8384, "SigmaTel" },
  69         {} /* terminator */
  70 };
  71
  72 static const struct hda_codec_preset *hda_preset_tables[] = {
  73 #ifdef CONFIG_SND_HDA_CODEC_REALTEK
  74         snd_hda_preset_realtek,
  75 #endif
  76 #ifdef CONFIG_SND_HDA_CODEC_CMEDIA
  77         snd_hda_preset_cmedia,
  78 #endif
  79 #ifdef CONFIG_SND_HDA_CODEC_ANALOG
  80         snd_hda_preset_analog,
  81 #endif
  82 #ifdef CONFIG_SND_HDA_CODEC_SIGMATEL
  83         snd_hda_preset_sigmatel,
  84 #endif
  85 #ifdef CONFIG_SND_HDA_CODEC_SI3054
  86         snd_hda_preset_si3054,
  87 #endif
  88 #ifdef CONFIG_SND_HDA_CODEC_ATIHDMI
  89         snd_hda_preset_atihdmi,
  90 #endif
  91 #ifdef CONFIG_SND_HDA_CODEC_CONEXANT
  92         snd_hda_preset_conexant,
  93 #endif
  94 #ifdef CONFIG_SND_HDA_CODEC_VIA
  95         snd_hda_preset_via,
  96 #endif
  97 #ifdef CONFIG_SND_HDA_CODEC_NVHDMI
  98         snd_hda_preset_nvhdmi,
  99 #endif
 100         NULL
 101 };
 102
 103 #ifdef CONFIG_SND_HDA_POWER_SAVE
 104 static void hda_power_work(struct work_struct *work);
 105 static void hda_keep_power_on(struct hda_codec *codec);
 106 #else
 107 static inline void hda_keep_power_on(struct hda_codec *codec) {}
 108 #endif
 109
 110 /**
 111  * snd_hda_codec_read - send a command and get the response
 112  * @codec: the HDA codec
 113  * @nid: NID to send the command
 114  * @direct: direct flag
 115  * @verb: the verb to send
 116  * @parm: the parameter for the verb
 117  *
 118  * Send a single command and read the corresponding response.
 119  *
 120  * Returns the obtained response value, or -1 for an error.
 121  */
 122 unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
 123                                 int direct,
 124                                 unsigned int verb, unsigned int parm)
 125 {
 126         unsigned int res;
 127         snd_hda_power_up(codec);
 128         mutex_lock(&codec->bus->cmd_mutex);
 129         if (!codec->bus->ops.command(codec, nid, direct, verb, parm))
 130                 res = codec->bus->ops.get_response(codec);
 131         else
 132                 res = (unsigned int)-1;
 133         mutex_unlock(&codec->bus->cmd_mutex);
 134         snd_hda_power_down(codec);
 135         return res;
 136 }
 137
 138 /**
 139  * snd_hda_codec_write - send a single command without waiting for response
 140  * @codec: the HDA codec
 141  * @nid: NID to send the command
 142  * @direct: direct flag
 143  * @verb: the verb to send
 144  * @parm: the parameter for the verb
 145  *
 146  * Send a single command without waiting for response.
 147  *
 148  * Returns 0 if successful, or a negative error code.
 149  */
 150 int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
 151                          unsigned int verb, unsigned int parm)
 152 {
 153         int err;
 154         snd_hda_power_up(codec);
 155         mutex_lock(&codec->bus->cmd_mutex);
 156         err = codec->bus->ops.command(codec, nid, direct, verb, parm);
 157         mutex_unlock(&codec->bus->cmd_mutex);
 158         snd_hda_power_down(codec);
 159         return err;
 160 }
 161
 162 /**
 163  * snd_hda_sequence_write - sequence writes
 164  * @codec: the HDA codec
 165  * @seq: VERB array to send
 166  *
 167  * Send the commands sequentially from the given array.
 168  * The array must be terminated with NID=0.
 169  */
 170 void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
 171 {
 172         for (; seq->nid; seq++)
 173                 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
 174 }
 175
 176 /**
 177  * snd_hda_get_sub_nodes - get the range of sub nodes
 178  * @codec: the HDA codec
 179  * @nid: NID to parse
 180  * @start_id: the pointer to store the start NID
 181  *
 182  * Parse the NID and store the start NID of its sub-nodes.
 183  * Returns the number of sub-nodes.
 184  */
 185 int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
 186                           hda_nid_t *start_id)
 187 {
 188         unsigned int parm;
 189
 190         parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
 191         if (parm == -1)
 192                 return 0;
 193         *start_id = (parm >> 16) & 0x7fff;
 194         return (int)(parm & 0x7fff);
 195 }
 196
 197 /**
 198  * snd_hda_get_connections - get connection list
 199  * @codec: the HDA codec
 200  * @nid: NID to parse
 201  * @conn_list: connection list array
 202  * @max_conns: max. number of connections to store
 203  *
 204  * Parses the connection list of the given widget and stores the list
 205  * of NIDs.
 206  *
 207  * Returns the number of connections, or a negative error code.
 208  */
 209 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
 210                             hda_nid_t *conn_list, int max_conns)
 211 {
 212         unsigned int parm;
 213         int i, conn_len, conns;
 214         unsigned int shift, num_elems, mask;
 215         hda_nid_t prev_nid;
 216
 217         if (snd_BUG_ON(!conn_list || max_conns <= 0))
 218                 return -EINVAL;
 219
 220         parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN);
 221         if (parm & AC_CLIST_LONG) {
 222                 /* long form */
 223                 shift = 16;
 224                 num_elems = 2;
 225         } else {
 226                 /* short form */
 227                 shift = 8;
 228                 num_elems = 4;
 229         }
 230         conn_len = parm & AC_CLIST_LENGTH;
 231         mask = (1 << (shift-1)) - 1;
 232
 233         if (!conn_len)
 234                 return 0; /* no connection */
 235
 236         if (conn_len == 1) {
 237                 /* single connection */
 238                 parm = snd_hda_codec_read(codec, nid, 0,
 239                                           AC_VERB_GET_CONNECT_LIST, 0);
 240                 conn_list[0] = parm & mask;
 241                 return 1;
 242         }
 243
 244         /* multi connection */
 245         conns = 0;
 246         prev_nid = 0;
 247         for (i = 0; i < conn_len; i++) {
 248                 int range_val;
 249                 hda_nid_t val, n;
 250
 251                 if (i % num_elems == 0)
 252                         parm = snd_hda_codec_read(codec, nid, 0,
 253                                                   AC_VERB_GET_CONNECT_LIST, i);
 254                 range_val = !!(parm & (1 << (shift-1))); /* ranges */
 255                 val = parm & mask;
 256                 parm >>= shift;
 257                 if (range_val) {
 258                         /* ranges between the previous and this one */
 259                         if (!prev_nid || prev_nid >= val) {
 260                                 snd_printk(KERN_WARNING "hda_codec: "
 261                                            "invalid dep_range_val %x:%x\n",
 262                                            prev_nid, val);
 263                                 continue;
 264                         }
 265                         for (n = prev_nid + 1; n <= val; n++) {
 266                                 if (conns >= max_conns) {
 267                                         snd_printk(KERN_ERR
 268                                                    "Too many connections\n");
 269                                         return -EINVAL;
 270                                 }
 271                                 conn_list[conns++] = n;
 272                         }
 273                 } else {
 274                         if (conns >= max_conns) {
 275                                 snd_printk(KERN_ERR "Too many connections\n");
 276                                 return -EINVAL;
 277                         }
 278                         conn_list[conns++] = val;
 279                 }
 280                 prev_nid = val;
 281         }
 282         return conns;
 283 }
 284
 285
 286 /**
 287  * snd_hda_queue_unsol_event - add an unsolicited event to queue
 288  * @bus: the BUS
 289  * @res: unsolicited event (lower 32bit of RIRB entry)
 290  * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
 291  *
 292  * Adds the given event to the queue.  The events are processed in
 293  * the workqueue asynchronously.  Call this function in the interrupt
 294  * hanlder when RIRB receives an unsolicited event.
 295  *
 296  * Returns 0 if successful, or a negative error code.
 297  */
 298 int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
 299 {
 300         struct hda_bus_unsolicited *unsol;
 301         unsigned int wp;
 302
 303         unsol = bus->unsol;
 304         if (!unsol)
 305                 return 0;
 306
 307         wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
 308         unsol->wp = wp;
 309
 310         wp <<= 1;
 311         unsol->queue[wp] = res;
 312         unsol->queue[wp + 1] = res_ex;
 313
 314         schedule_work(&unsol->work);
 315
 316         return 0;
 317 }
 318
 319 /*
 320  * process queued unsolicited events
 321  */
 322 static void process_unsol_events(struct work_struct *work)
 323 {
 324         struct hda_bus_unsolicited *unsol =
 325                 container_of(work, struct hda_bus_unsolicited, work);
 326         struct hda_bus *bus = unsol->bus;
 327         struct hda_codec *codec;
 328         unsigned int rp, caddr, res;
 329
 330         while (unsol->rp != unsol->wp) {
 331                 rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE;
 332                 unsol->rp = rp;
 333                 rp <<= 1;
 334                 res = unsol->queue[rp];
 335                 caddr = unsol->queue[rp + 1];
 336                 if (!(caddr & (1 << 4))) /* no unsolicited event? */
 337                         continue;
 338                 codec = bus->caddr_tbl[caddr & 0x0f];
 339                 if (codec && codec->patch_ops.unsol_event)
 340                         codec->patch_ops.unsol_event(codec, res);
 341         }
 342 }
 343
 344 /*
 345  * initialize unsolicited queue
 346  */
 347 static int __devinit init_unsol_queue(struct hda_bus *bus)
 348 {
 349         struct hda_bus_unsolicited *unsol;
 350
 351         if (bus->unsol) /* already initialized */
 352                 return 0;
 353
 354         unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
 355         if (!unsol) {
 356                 snd_printk(KERN_ERR "hda_codec: "
 357                            "can't allocate unsolicited queue\n");
 358                 return -ENOMEM;
 359         }
 360         INIT_WORK(&unsol->work, process_unsol_events);
 361         unsol->bus = bus;
 362         bus->unsol = unsol;
 363         return 0;
 364 }
 365
 366 /*
 367  * destructor
 368  */
 369 static void snd_hda_codec_free(struct hda_codec *codec);
 370
 371 static int snd_hda_bus_free(struct hda_bus *bus)
 372 {
 373         struct hda_codec *codec, *n;
 374
 375         if (!bus)
 376                 return 0;
 377         if (bus->unsol) {
 378                 flush_scheduled_work();
 379                 kfree(bus->unsol);
 380         }
 381         list_for_each_entry_safe(codec, n, &bus->codec_list, list) {
 382                 snd_hda_codec_free(codec);
 383         }
 384         if (bus->ops.private_free)
 385                 bus->ops.private_free(bus);
 386         kfree(bus);
 387         return 0;
 388 }
 389
 390 static int snd_hda_bus_dev_free(struct snd_device *device)
 391 {
 392         struct hda_bus *bus = device->device_data;
 393         return snd_hda_bus_free(bus);
 394 }
 395
 396 /**
 397  * snd_hda_bus_new - create a HDA bus
 398  * @card: the card entry
 399  * @temp: the template for hda_bus information
 400  * @busp: the pointer to store the created bus instance
 401  *
 402  * Returns 0 if successful, or a negative error code.
 403  */
 404 int __devinit snd_hda_bus_new(struct snd_card *card,
 405                               const struct hda_bus_template *temp,
 406                               struct hda_bus **busp)
 407 {
 408         struct hda_bus *bus;
 409         int err;
 410         static struct snd_device_ops dev_ops = {
 411                 .dev_free = snd_hda_bus_dev_free,
 412         };
 413
 414         if (snd_BUG_ON(!temp))
 415                 return -EINVAL;
 416         if (snd_BUG_ON(!temp->ops.command || !temp->ops.get_response))
 417                 return -EINVAL;
 418
 419         if (busp)
 420                 *busp = NULL;
 421
 422         bus = kzalloc(sizeof(*bus), GFP_KERNEL);
 423         if (bus == NULL) {
 424                 snd_printk(KERN_ERR "can't allocate struct hda_bus\n");
 425                 return -ENOMEM;
 426         }
 427
 428         bus->card = card;
 429         bus->private_data = temp->private_data;
 430         bus->pci = temp->pci;
 431         bus->modelname = temp->modelname;
 432         bus->ops = temp->ops;
 433
 434         mutex_init(&bus->cmd_mutex);
 435         INIT_LIST_HEAD(&bus->codec_list);
 436
 437         err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
 438         if (err < 0) {
 439                 snd_hda_bus_free(bus);
 440                 return err;
 441         }
 442         if (busp)
 443                 *busp = bus;
 444         return 0;
 445 }
 446
 447 #ifdef CONFIG_SND_HDA_GENERIC
 448 #define is_generic_config(codec) \
 449         (codec->modelname && !strcmp(codec->modelname, "generic"))
 450 #else
 451 #define is_generic_config(codec)        0
 452 #endif
 453
 454 /*
 455  * find a matching codec preset
 456  */
 457 static const struct hda_codec_preset __devinit *
 458 find_codec_preset(struct hda_codec *codec)
 459 {
 460         const struct hda_codec_preset **tbl, *preset;
 461
 462         if (is_generic_config(codec))
 463                 return NULL; /* use the generic parser */
 464
 465         for (tbl = hda_preset_tables; *tbl; tbl++) {
 466                 for (preset = *tbl; preset->id; preset++) {
 467                         u32 mask = preset->mask;
 468                         if (preset->afg && preset->afg != codec->afg)
 469                                 continue;
 470                         if (preset->mfg && preset->mfg != codec->mfg)
 471                                 continue;
 472                         if (!mask)
 473                                 mask = ~0;
 474                         if (preset->id == (codec->vendor_id & mask) &&
 475                             (!preset->rev ||
 476                              preset->rev == codec->revision_id))
 477                                 return preset;
 478                 }
 479         }
 480         return NULL;
 481 }
 482
 483 /*
 484  * get_codec_name - store the codec name
 485  */
 486 static int get_codec_name(struct hda_codec *codec)
 487 {
 488         const struct hda_vendor_id *c;
 489         const char *vendor = NULL;
 490         u16 vendor_id = codec->vendor_id >> 16;
 491         char tmp[16], name[32];
 492
 493         for (c = hda_vendor_ids; c->id; c++) {
 494                 if (c->id == vendor_id) {
 495                         vendor = c->name;
 496                         break;
 497                 }
 498         }
 499         if (!vendor) {
 500                 sprintf(tmp, "Generic %04x", vendor_id);
 501                 vendor = tmp;
 502         }
 503         if (codec->preset && codec->preset->name)
 504                 snprintf(name, sizeof(name), "%s %s", vendor,
 505                          codec->preset->name);
 506         else
 507                 snprintf(name, sizeof(name), "%s ID %x", vendor,
 508                          codec->vendor_id & 0xffff);
 509         codec->name = kstrdup(name, GFP_KERNEL);
 510         if (!codec->name)
 511                 return -ENOMEM;
 512         return 0;
 513 }
 514
 515 /*
 516  * look for an AFG and MFG nodes
 517  */
 518 static void __devinit setup_fg_nodes(struct hda_codec *codec)
 519 {
 520         int i, total_nodes;
 521         hda_nid_t nid;
 522
 523         total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
 524         for (i = 0; i < total_nodes; i++, nid++) {
 525                 unsigned int func;
 526                 func = snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE);
 527                 switch (func & 0xff) {
 528                 case AC_GRP_AUDIO_FUNCTION:
 529                         codec->afg = nid;
 530                         break;
 531                 case AC_GRP_MODEM_FUNCTION:
 532                         codec->mfg = nid;
 533                         break;
 534                 default:
 535                         break;
 536                 }
 537         }
 538 }
 539
 540 /*
 541  * read widget caps for each widget and store in cache
 542  */
 543 static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
 544 {
 545         int i;
 546         hda_nid_t nid;
 547
 548         codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node,
 549                                                  &codec->start_nid);
 550         codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL);
 551         if (!codec->wcaps)
 552                 return -ENOMEM;
 553         nid = codec->start_nid;
 554         for (i = 0; i < codec->num_nodes; i++, nid++)
 555                 codec->wcaps[i] = snd_hda_param_read(codec, nid,
 556                                                      AC_PAR_AUDIO_WIDGET_CAP);
 557         return 0;
 558 }
 559
 560
 561 static void init_hda_cache(struct hda_cache_rec *cache,
 562                            unsigned int record_size);
 563 static void free_hda_cache(struct hda_cache_rec *cache);
 564
 565 /*
 566  * codec destructor
 567  */
 568 static void snd_hda_codec_free(struct hda_codec *codec)
 569 {
 570         if (!codec)
 571                 return;
 572 #ifdef CONFIG_SND_HDA_POWER_SAVE
 573         cancel_delayed_work(&codec->power_work);
 574         flush_scheduled_work();
 575 #endif
 576         list_del(&codec->list);
 577         codec->bus->caddr_tbl[codec->addr] = NULL;
 578         if (codec->patch_ops.free)
 579                 codec->patch_ops.free(codec);
 580         free_hda_cache(&codec->amp_cache);
 581         free_hda_cache(&codec->cmd_cache);
 582         kfree(codec->name);
 583         kfree(codec->modelname);
 584         kfree(codec->wcaps);
 585         kfree(codec);
 586 }
 587
 588 /**
 589  * snd_hda_codec_new - create a HDA codec
 590  * @bus: the bus to assign
 591  * @codec_addr: the codec address
 592  * @codecp: the pointer to store the generated codec
 593  *
 594  * Returns 0 if successful, or a negative error code.
 595  */
 596 int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
 597                                 struct hda_codec **codecp)
 598 {
 599         struct hda_codec *codec;
 600         char component[31];
 601         int err;
 602
 603         if (snd_BUG_ON(!bus))
 604                 return -EINVAL;
 605         if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
 606                 return -EINVAL;
 607
 608         if (bus->caddr_tbl[codec_addr]) {
 609                 snd_printk(KERN_ERR "hda_codec: "
 610                            "address 0x%x is already occupied\n", codec_addr);
 611                 return -EBUSY;
 612         }
 613
 614         codec = kzalloc(sizeof(*codec), GFP_KERNEL);
 615         if (codec == NULL) {
 616                 snd_printk(KERN_ERR "can't allocate struct hda_codec\n");
 617                 return -ENOMEM;
 618         }
 619
 620         codec->bus = bus;
 621         codec->addr = codec_addr;
 622         mutex_init(&codec->spdif_mutex);
 623         init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
 624         init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
 625
 626 #ifdef CONFIG_SND_HDA_POWER_SAVE
 627         INIT_DELAYED_WORK(&codec->power_work, hda_power_work);
 628         /* snd_hda_codec_new() marks the codec as power-up, and leave it as is.
 629          * the caller has to power down appropriatley after initialization
 630          * phase.
 631          */
 632         hda_keep_power_on(codec);
 633 #endif
 634
 635         list_add_tail(&codec->list, &bus->codec_list);
 636         bus->caddr_tbl[codec_addr] = codec;
 637
 638         codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 639                                               AC_PAR_VENDOR_ID);
 640         if (codec->vendor_id == -1)
 641                 /* read again, hopefully the access method was corrected
 642                  * in the last read...
 643                  */
 644                 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 645                                                       AC_PAR_VENDOR_ID);
 646         codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 647                                                  AC_PAR_SUBSYSTEM_ID);
 648         codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 649                                                 AC_PAR_REV_ID);
 650
 651         setup_fg_nodes(codec);
 652         if (!codec->afg && !codec->mfg) {
 653                 snd_printdd("hda_codec: no AFG or MFG node found\n");
 654                 snd_hda_codec_free(codec);
 655                 return -ENODEV;
 656         }
 657
 658         if (read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg) < 0) {
 659                 snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
 660                 snd_hda_codec_free(codec);
 661                 return -ENOMEM;
 662         }
 663
 664         if (!codec->subsystem_id) {
 665                 hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
 666                 codec->subsystem_id =
 667                         snd_hda_codec_read(codec, nid, 0,
 668                                            AC_VERB_GET_SUBSYSTEM_ID, 0);
 669         }
 670         if (bus->modelname)
 671                 codec->modelname = kstrdup(bus->modelname, GFP_KERNEL);
 672
 673         codec->preset = find_codec_preset(codec);
 674         if (!codec->name) {
 675                 err = get_codec_name(codec);
 676                 if (err < 0)
 677                         return err;
 678         }
 679         /* audio codec should override the mixer name */
 680         if (codec->afg || !*codec->bus->card->mixername)
 681                 strlcpy(codec->bus->card->mixername, codec->name,
 682                         sizeof(codec->bus->card->mixername));
 683
 684         if (is_generic_config(codec)) {
 685                 err = snd_hda_parse_generic_codec(codec);
 686                 goto patched;
 687         }
 688         if (codec->preset && codec->preset->patch) {
 689                 err = codec->preset->patch(codec);
 690                 goto patched;
 691         }
 692
 693         /* call the default parser */
 694         err = snd_hda_parse_generic_codec(codec);
 695         if (err < 0)
 696                 printk(KERN_ERR "hda-codec: No codec parser is available\n");
 697
 698  patched:
 699         if (err < 0) {
 700                 snd_hda_codec_free(codec);
 701                 return err;
 702         }
 703
 704         if (codec->patch_ops.unsol_event)
 705                 init_unsol_queue(bus);
 706
 707         snd_hda_codec_proc_new(codec);
 708 #ifdef CONFIG_SND_HDA_HWDEP
 709         snd_hda_create_hwdep(codec);
 710 #endif
 711
 712         sprintf(component, "HDA:%08x,%08x,%08x", codec->vendor_id, codec->subsystem_id, codec->revision_id);
 713         snd_component_add(codec->bus->card, component);
 714
 715         if (codecp)
 716                 *codecp = codec;
 717         return 0;
 718 }
 719
 720 /**
 721  * snd_hda_codec_setup_stream - set up the codec for streaming
 722  * @codec: the CODEC to set up
 723  * @nid: the NID to set up
 724  * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
 725  * @channel_id: channel id to pass, zero based.
 726  * @format: stream format.
 727  */
 728 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
 729                                 u32 stream_tag,
 730                                 int channel_id, int format)
 731 {
 732         if (!nid)
 733                 return;
 734
 735         snd_printdd("hda_codec_setup_stream: "
 736                     "NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
 737                     nid, stream_tag, channel_id, format);
 738         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID,
 739                             (stream_tag << 4) | channel_id);
 740         msleep(1);
 741         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
 742 }
 743
 744 void snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid)
 745 {
 746         if (!nid)
 747                 return;
 748
 749         snd_printdd("hda_codec_cleanup_stream: NID=0x%x\n", nid);
 750         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
 751 #if 0 /* keep the format */
 752         msleep(1);
 753         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0);
 754 #endif
 755 }
 756
 757 /*
 758  * amp access functions
 759  */
 760
 761 /* FIXME: more better hash key? */
 762 #define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
 763 #define INFO_AMP_CAPS   (1<<0)
 764 #define INFO_AMP_VOL(ch)        (1 << (1 + (ch)))
 765
 766 /* initialize the hash table */
 767 static void __devinit init_hda_cache(struct hda_cache_rec *cache,
 768                                      unsigned int record_size)
 769 {
 770         memset(cache, 0, sizeof(*cache));
 771         memset(cache->hash, 0xff, sizeof(cache->hash));
 772         snd_array_init(&cache->buf, record_size, 64);
 773 }
 774
 775 static void free_hda_cache(struct hda_cache_rec *cache)
 776 {
 777         snd_array_free(&cache->buf);
 778 }
 779
 780 /* query the hash.  allocate an entry if not found. */
 781 static struct hda_cache_head  *get_alloc_hash(struct hda_cache_rec *cache,
 782                                               u32 key)
 783 {
 784         u16 idx = key % (u16)ARRAY_SIZE(cache->hash);
 785         u16 cur = cache->hash[idx];
 786         struct hda_cache_head *info_head = cache->buf.list;
 787         struct hda_cache_head *info;
 788
 789         while (cur != 0xffff) {
 790                 info = &info_head[cur];
 791                 if (info->key == key)
 792                         return info;
 793                 cur = info->next;
 794         }
 795
 796         /* add a new hash entry */
 797         info = snd_array_new(&cache->buf);
 798         info->key = key;
 799         info->val = 0;
 800         info->next = cache->hash[idx];
 801         cache->hash[idx] = cur;
 802
 803         return info;
 804 }
 805
 806 /* query and allocate an amp hash entry */
 807 static inline struct hda_amp_info *
 808 get_alloc_amp_hash(struct hda_codec *codec, u32 key)
 809 {
 810         return (struct hda_amp_info *)get_alloc_hash(&codec->amp_cache, key);
 811 }
 812
 813 /*
 814  * query AMP capabilities for the given widget and direction
 815  */
 816 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
 817 {
 818         struct hda_amp_info *info;
 819
 820         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0));
 821         if (!info)
 822                 return 0;
 823         if (!(info->head.val & INFO_AMP_CAPS)) {
 824                 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
 825                         nid = codec->afg;
 826                 info->amp_caps = snd_hda_param_read(codec, nid,
 827                                                     direction == HDA_OUTPUT ?
 828                                                     AC_PAR_AMP_OUT_CAP :
 829                                                     AC_PAR_AMP_IN_CAP);
 830                 if (info->amp_caps)
 831                         info->head.val |= INFO_AMP_CAPS;
 832         }
 833         return info->amp_caps;
 834 }
 835
 836 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
 837                               unsigned int caps)
 838 {
 839         struct hda_amp_info *info;
 840
 841         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, dir, 0));
 842         if (!info)
 843                 return -EINVAL;
 844         info->amp_caps = caps;
 845         info->head.val |= INFO_AMP_CAPS;
 846         return 0;
 847 }
 848
 849 /*
 850  * read the current volume to info
 851  * if the cache exists, read the cache value.
 852  */
 853 static unsigned int get_vol_mute(struct hda_codec *codec,
 854                                  struct hda_amp_info *info, hda_nid_t nid,
 855                                  int ch, int direction, int index)
 856 {
 857         u32 val, parm;
 858
 859         if (info->head.val & INFO_AMP_VOL(ch))
 860                 return info->vol[ch];
 861
 862         parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
 863         parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
 864         parm |= index;
 865         val = snd_hda_codec_read(codec, nid, 0,
 866                                  AC_VERB_GET_AMP_GAIN_MUTE, parm);
 867         info->vol[ch] = val & 0xff;
 868         info->head.val |= INFO_AMP_VOL(ch);
 869         return info->vol[ch];
 870 }
 871
 872 /*
 873  * write the current volume in info to the h/w and update the cache
 874  */
 875 static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
 876                          hda_nid_t nid, int ch, int direction, int index,
 877                          int val)
 878 {
 879         u32 parm;
 880
 881         parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
 882         parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
 883         parm |= index << AC_AMP_SET_INDEX_SHIFT;
 884         parm |= val;
 885         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
 886         info->vol[ch] = val;
 887 }
 888
 889 /*
 890  * read AMP value.  The volume is between 0 to 0x7f, 0x80 = mute bit.
 891  */
 892 int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
 893                            int direction, int index)
 894 {
 895         struct hda_amp_info *info;
 896         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
 897         if (!info)
 898                 return 0;
 899         return get_vol_mute(codec, info, nid, ch, direction, index);
 900 }
 901
 902 /*
 903  * update the AMP value, mask = bit mask to set, val = the value
 904  */
 905 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
 906                              int direction, int idx, int mask, int val)
 907 {
 908         struct hda_amp_info *info;
 909
 910         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx));
 911         if (!info)
 912                 return 0;
 913         val &= mask;
 914         val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask;
 915         if (info->vol[ch] == val)
 916                 return 0;
 917         put_vol_mute(codec, info, nid, ch, direction, idx, val);
 918         return 1;
 919 }
 920
 921 /*
 922  * update the AMP stereo with the same mask and value
 923  */
 924 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
 925                              int direction, int idx, int mask, int val)
 926 {
 927         int ch, ret = 0;
 928         for (ch = 0; ch < 2; ch++)
 929                 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
 930                                                 idx, mask, val);
 931         return ret;
 932 }
 933
 934 #ifdef SND_HDA_NEEDS_RESUME
 935 /* resume the all amp commands from the cache */
 936 void snd_hda_codec_resume_amp(struct hda_codec *codec)
 937 {
 938         struct hda_amp_info *buffer = codec->amp_cache.buf.list;
 939         int i;
 940
 941         for (i = 0; i < codec->amp_cache.buf.used; i++, buffer++) {
 942                 u32 key = buffer->head.key;
 943                 hda_nid_t nid;
 944                 unsigned int idx, dir, ch;
 945                 if (!key)
 946                         continue;
 947                 nid = key & 0xff;
 948                 idx = (key >> 16) & 0xff;
 949                 dir = (key >> 24) & 0xff;
 950                 for (ch = 0; ch < 2; ch++) {
 951                         if (!(buffer->head.val & INFO_AMP_VOL(ch)))
 952                                 continue;
 953                         put_vol_mute(codec, buffer, nid, ch, dir, idx,
 954                                      buffer->vol[ch]);
 955                 }
 956         }
 957 }
 958 #endif /* SND_HDA_NEEDS_RESUME */
 959
 960 /* volume */
 961 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
 962                                   struct snd_ctl_elem_info *uinfo)
 963 {
 964         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 965         u16 nid = get_amp_nid(kcontrol);
 966         u8 chs = get_amp_channels(kcontrol);
 967         int dir = get_amp_direction(kcontrol);
 968         u32 caps;
 969
 970         caps = query_amp_caps(codec, nid, dir);
 971         /* num steps */
 972         caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
 973         if (!caps) {
 974                 printk(KERN_WARNING "hda_codec: "
 975                        "num_steps = 0 for NID=0x%x (ctl = %s)\n", nid,
 976                        kcontrol->id.name);
 977                 return -EINVAL;
 978         }
 979         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 980         uinfo->count = chs == 3 ? 2 : 1;
 981         uinfo->value.integer.min = 0;
 982         uinfo->value.integer.max = caps;
 983         return 0;
 984 }
 985
 986 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
 987                                  struct snd_ctl_elem_value *ucontrol)
 988 {
 989         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 990         hda_nid_t nid = get_amp_nid(kcontrol);
 991         int chs = get_amp_channels(kcontrol);
 992         int dir = get_amp_direction(kcontrol);
 993         int idx = get_amp_index(kcontrol);
 994         long *valp = ucontrol->value.integer.value;
 995
 996         if (chs & 1)
 997                 *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx)
 998                         & HDA_AMP_VOLMASK;
 999         if (chs & 2)
1000                 *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx)
1001                         & HDA_AMP_VOLMASK;
1002         return 0;
1003 }
1004
1005 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1006                                  struct snd_ctl_elem_value *ucontrol)
1007 {
1008         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1009         hda_nid_t nid = get_amp_nid(kcontrol);
1010         int chs = get_amp_channels(kcontrol);
1011         int dir = get_amp_direction(kcontrol);
1012         int idx = get_amp_index(kcontrol);
1013         long *valp = ucontrol->value.integer.value;
1014         int change = 0;
1015
1016         snd_hda_power_up(codec);
1017         if (chs & 1) {
1018                 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
1019                                                   0x7f, *valp);
1020                 valp++;
1021         }
1022         if (chs & 2)
1023                 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
1024                                                    0x7f, *valp);
1025         snd_hda_power_down(codec);
1026         return change;
1027 }
1028
1029 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1030                           unsigned int size, unsigned int __user *_tlv)
1031 {
1032         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1033         hda_nid_t nid = get_amp_nid(kcontrol);
1034         int dir = get_amp_direction(kcontrol);
1035         u32 caps, val1, val2;
1036
1037         if (size < 4 * sizeof(unsigned int))
1038                 return -ENOMEM;
1039         caps = query_amp_caps(codec, nid, dir);
1040         val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1041         val2 = (val2 + 1) * 25;
1042         val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1043         val1 = ((int)val1) * ((int)val2);
1044         if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
1045                 return -EFAULT;
1046         if (put_user(2 * sizeof(unsigned int), _tlv + 1))
1047                 return -EFAULT;
1048         if (put_user(val1, _tlv + 2))
1049                 return -EFAULT;
1050         if (put_user(val2, _tlv + 3))
1051                 return -EFAULT;
1052         return 0;
1053 }
1054
1055 /*
1056  * set (static) TLV for virtual master volume; recalculated as max 0dB
1057  */
1058 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1059                              unsigned int *tlv)
1060 {
1061         u32 caps;
1062         int nums, step;
1063
1064         caps = query_amp_caps(codec, nid, dir);
1065         nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1066         step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1067         step = (step + 1) * 25;
1068         tlv[0] = SNDRV_CTL_TLVT_DB_SCALE;
1069         tlv[1] = 2 * sizeof(unsigned int);
1070         tlv[2] = -nums * step;
1071         tlv[3] = step;
1072 }
1073
1074 /* find a mixer control element with the given name */
1075 static struct snd_kcontrol *
1076 _snd_hda_find_mixer_ctl(struct hda_codec *codec,
1077                         const char *name, int idx)
1078 {
1079         struct snd_ctl_elem_id id;
1080         memset(&id, 0, sizeof(id));
1081         id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1082         id.index = idx;
1083         strcpy(id.name, name);
1084         return snd_ctl_find_id(codec->bus->card, &id);
1085 }
1086
1087 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1088                                             const char *name)
1089 {
1090         return _snd_hda_find_mixer_ctl(codec, name, 0);
1091 }
1092
1093 /* create a virtual master control and add slaves */
1094 int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
1095                         unsigned int *tlv, const char **slaves)
1096 {
1097         struct snd_kcontrol *kctl;
1098         const char **s;
1099         int err;
1100
1101         for (s = slaves; *s && !snd_hda_find_mixer_ctl(codec, *s); s++)
1102                 ;
1103         if (!*s) {
1104                 snd_printdd("No slave found for %s\n", name);
1105                 return 0;
1106         }
1107         kctl = snd_ctl_make_virtual_master(name, tlv);
1108         if (!kctl)
1109                 return -ENOMEM;
1110         err = snd_ctl_add(codec->bus->card, kctl);
1111         if (err < 0)
1112                 return err;
1113
1114         for (s = slaves; *s; s++) {
1115                 struct snd_kcontrol *sctl;
1116
1117                 sctl = snd_hda_find_mixer_ctl(codec, *s);
1118                 if (!sctl) {
1119                         snd_printdd("Cannot find slave %s, skipped\n", *s);
1120                         continue;
1121                 }
1122                 err = snd_ctl_add_slave(kctl, sctl);
1123                 if (err < 0)
1124                         return err;
1125         }
1126         return 0;
1127 }
1128
1129 /* switch */
1130 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
1131                                   struct snd_ctl_elem_info *uinfo)
1132 {
1133         int chs = get_amp_channels(kcontrol);
1134
1135         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1136         uinfo->count = chs == 3 ? 2 : 1;
1137         uinfo->value.integer.min = 0;
1138         uinfo->value.integer.max = 1;
1139         return 0;
1140 }
1141
1142 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
1143                                  struct snd_ctl_elem_value *ucontrol)
1144 {
1145         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1146         hda_nid_t nid = get_amp_nid(kcontrol);
1147         int chs = get_amp_channels(kcontrol);
1148         int dir = get_amp_direction(kcontrol);
1149         int idx = get_amp_index(kcontrol);
1150         long *valp = ucontrol->value.integer.value;
1151
1152         if (chs & 1)
1153                 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
1154                            HDA_AMP_MUTE) ? 0 : 1;
1155         if (chs & 2)
1156                 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
1157                          HDA_AMP_MUTE) ? 0 : 1;
1158         return 0;
1159 }
1160
1161 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
1162                                  struct snd_ctl_elem_value *ucontrol)
1163 {
1164         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1165         hda_nid_t nid = get_amp_nid(kcontrol);
1166         int chs = get_amp_channels(kcontrol);
1167         int dir = get_amp_direction(kcontrol);
1168         int idx = get_amp_index(kcontrol);
1169         long *valp = ucontrol->value.integer.value;
1170         int change = 0;
1171
1172         snd_hda_power_up(codec);
1173         if (chs & 1) {
1174                 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
1175                                                   HDA_AMP_MUTE,
1176                                                   *valp ? 0 : HDA_AMP_MUTE);
1177                 valp++;
1178         }
1179         if (chs & 2)
1180                 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
1181                                                    HDA_AMP_MUTE,
1182                                                    *valp ? 0 : HDA_AMP_MUTE);
1183 #ifdef CONFIG_SND_HDA_POWER_SAVE
1184         if (codec->patch_ops.check_power_status)
1185                 codec->patch_ops.check_power_status(codec, nid);
1186 #endif
1187         snd_hda_power_down(codec);
1188         return change;
1189 }
1190
1191 /*
1192  * bound volume controls
1193  *
1194  * bind multiple volumes (# indices, from 0)
1195  */
1196
1197 #define AMP_VAL_IDX_SHIFT       19
1198 #define AMP_VAL_IDX_MASK        (0x0f<<19)
1199
1200 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
1201                                   struct snd_ctl_elem_value *ucontrol)
1202 {
1203         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1204         unsigned long pval;
1205         int err;
1206
1207         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1208         pval = kcontrol->private_value;
1209         kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
1210         err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
1211         kcontrol->private_value = pval;
1212         mutex_unlock(&codec->spdif_mutex);
1213         return err;
1214 }
1215
1216 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
1217                                   struct snd_ctl_elem_value *ucontrol)
1218 {
1219         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1220         unsigned long pval;
1221         int i, indices, err = 0, change = 0;
1222
1223         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1224         pval = kcontrol->private_value;
1225         indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
1226         for (i = 0; i < indices; i++) {
1227                 kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) |
1228                         (i << AMP_VAL_IDX_SHIFT);
1229                 err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
1230                 if (err < 0)
1231                         break;
1232                 change |= err;
1233         }
1234         kcontrol->private_value = pval;
1235         mutex_unlock(&codec->spdif_mutex);
1236         return err < 0 ? err : change;
1237 }
1238
1239 /*
1240  * generic bound volume/swtich controls
1241  */
1242 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
1243                                  struct snd_ctl_elem_info *uinfo)
1244 {
1245         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1246         struct hda_bind_ctls *c;
1247         int err;
1248
1249         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1250         c = (struct hda_bind_ctls *)kcontrol->private_value;
1251         kcontrol->private_value = *c->values;
1252         err = c->ops->info(kcontrol, uinfo);
1253         kcontrol->private_value = (long)c;
1254         mutex_unlock(&codec->spdif_mutex);
1255         return err;
1256 }
1257
1258 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
1259                                 struct snd_ctl_elem_value *ucontrol)
1260 {
1261         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1262         struct hda_bind_ctls *c;
1263         int err;
1264
1265         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1266         c = (struct hda_bind_ctls *)kcontrol->private_value;
1267         kcontrol->private_value = *c->values;
1268         err = c->ops->get(kcontrol, ucontrol);
1269         kcontrol->private_value = (long)c;
1270         mutex_unlock(&codec->spdif_mutex);
1271         return err;
1272 }
1273
1274 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
1275                                 struct snd_ctl_elem_value *ucontrol)
1276 {
1277         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1278         struct hda_bind_ctls *c;
1279         unsigned long *vals;
1280         int err = 0, change = 0;
1281
1282         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1283         c = (struct hda_bind_ctls *)kcontrol->private_value;
1284         for (vals = c->values; *vals; vals++) {
1285                 kcontrol->private_value = *vals;
1286                 err = c->ops->put(kcontrol, ucontrol);
1287                 if (err < 0)
1288                         break;
1289                 change |= err;
1290         }
1291         kcontrol->private_value = (long)c;
1292         mutex_unlock(&codec->spdif_mutex);
1293         return err < 0 ? err : change;
1294 }
1295
1296 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1297                            unsigned int size, unsigned int __user *tlv)
1298 {
1299         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1300         struct hda_bind_ctls *c;
1301         int err;
1302
1303         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1304         c = (struct hda_bind_ctls *)kcontrol->private_value;
1305         kcontrol->private_value = *c->values;
1306         err = c->ops->tlv(kcontrol, op_flag, size, tlv);
1307         kcontrol->private_value = (long)c;
1308         mutex_unlock(&codec->spdif_mutex);
1309         return err;
1310 }
1311
1312 struct hda_ctl_ops snd_hda_bind_vol = {
1313         .info = snd_hda_mixer_amp_volume_info,
1314         .get = snd_hda_mixer_amp_volume_get,
1315         .put = snd_hda_mixer_amp_volume_put,
1316         .tlv = snd_hda_mixer_amp_tlv
1317 };
1318
1319 struct hda_ctl_ops snd_hda_bind_sw = {
1320         .info = snd_hda_mixer_amp_switch_info,
1321         .get = snd_hda_mixer_amp_switch_get,
1322         .put = snd_hda_mixer_amp_switch_put,
1323         .tlv = snd_hda_mixer_amp_tlv
1324 };
1325
1326 /*
1327  * SPDIF out controls
1328  */
1329
1330 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
1331                                    struct snd_ctl_elem_info *uinfo)
1332 {
1333         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1334         uinfo->count = 1;
1335         return 0;
1336 }
1337
1338 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
1339                                    struct snd_ctl_elem_value *ucontrol)
1340 {
1341         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1342                                            IEC958_AES0_NONAUDIO |
1343                                            IEC958_AES0_CON_EMPHASIS_5015 |
1344                                            IEC958_AES0_CON_NOT_COPYRIGHT;
1345         ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
1346                                            IEC958_AES1_CON_ORIGINAL;
1347         return 0;
1348 }
1349
1350 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
1351                                    struct snd_ctl_elem_value *ucontrol)
1352 {
1353         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1354                                            IEC958_AES0_NONAUDIO |
1355                                            IEC958_AES0_PRO_EMPHASIS_5015;
1356         return 0;
1357 }
1358
1359 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
1360                                      struct snd_ctl_elem_value *ucontrol)
1361 {
1362         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1363
1364         ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff;
1365         ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff;
1366         ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff;
1367         ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff;
1368
1369         return 0;
1370 }
1371
1372 /* convert from SPDIF status bits to HDA SPDIF bits
1373  * bit 0 (DigEn) is always set zero (to be filled later)
1374  */
1375 static unsigned short convert_from_spdif_status(unsigned int sbits)
1376 {
1377         unsigned short val = 0;
1378
1379         if (sbits & IEC958_AES0_PROFESSIONAL)
1380                 val |= AC_DIG1_PROFESSIONAL;
1381         if (sbits & IEC958_AES0_NONAUDIO)
1382                 val |= AC_DIG1_NONAUDIO;
1383         if (sbits & IEC958_AES0_PROFESSIONAL) {
1384                 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
1385                     IEC958_AES0_PRO_EMPHASIS_5015)
1386                         val |= AC_DIG1_EMPHASIS;
1387         } else {
1388                 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
1389                     IEC958_AES0_CON_EMPHASIS_5015)
1390                         val |= AC_DIG1_EMPHASIS;
1391                 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
1392                         val |= AC_DIG1_COPYRIGHT;
1393                 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
1394                         val |= AC_DIG1_LEVEL;
1395                 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
1396         }
1397         return val;
1398 }
1399
1400 /* convert to SPDIF status bits from HDA SPDIF bits
1401  */
1402 static unsigned int convert_to_spdif_status(unsigned short val)
1403 {
1404         unsigned int sbits = 0;
1405
1406         if (val & AC_DIG1_NONAUDIO)
1407                 sbits |= IEC958_AES0_NONAUDIO;
1408         if (val & AC_DIG1_PROFESSIONAL)
1409                 sbits |= IEC958_AES0_PROFESSIONAL;
1410         if (sbits & IEC958_AES0_PROFESSIONAL) {
1411                 if (sbits & AC_DIG1_EMPHASIS)
1412                         sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
1413         } else {
1414                 if (val & AC_DIG1_EMPHASIS)
1415                         sbits |= IEC958_AES0_CON_EMPHASIS_5015;
1416                 if (!(val & AC_DIG1_COPYRIGHT))
1417                         sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
1418                 if (val & AC_DIG1_LEVEL)
1419                         sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
1420                 sbits |= val & (0x7f << 8);
1421         }
1422         return sbits;
1423 }
1424
1425 /* set digital convert verbs both for the given NID and its slaves */
1426 static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
1427                         int verb, int val)
1428 {
1429         hda_nid_t *d;
1430
1431         snd_hda_codec_write(codec, nid, 0, verb, val);
1432         d = codec->slave_dig_outs;
1433         if (!d)
1434                 return;
1435         for (; *d; d++)
1436                 snd_hda_codec_write(codec, *d, 0, verb, val);
1437 }
1438
1439 static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
1440                                        int dig1, int dig2)
1441 {
1442         if (dig1 != -1)
1443                 set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_1, dig1);
1444         if (dig2 != -1)
1445                 set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_2, dig2);
1446 }
1447
1448 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
1449                                      struct snd_ctl_elem_value *ucontrol)
1450 {
1451         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1452         hda_nid_t nid = kcontrol->private_value;
1453         unsigned short val;
1454         int change;
1455
1456         mutex_lock(&codec->spdif_mutex);
1457         codec->spdif_status = ucontrol->value.iec958.status[0] |
1458                 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
1459                 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
1460                 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
1461         val = convert_from_spdif_status(codec->spdif_status);
1462         val |= codec->spdif_ctls & 1;
1463         change = codec->spdif_ctls != val;
1464         codec->spdif_ctls = val;
1465
1466         if (change)
1467                 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
1468
1469         mutex_unlock(&codec->spdif_mutex);
1470         return change;
1471 }
1472
1473 #define snd_hda_spdif_out_switch_info   snd_ctl_boolean_mono_info
1474
1475 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
1476                                         struct snd_ctl_elem_value *ucontrol)
1477 {
1478         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1479
1480         ucontrol->value.integer.value[0] = codec->spdif_ctls & AC_DIG1_ENABLE;
1481         return 0;
1482 }
1483
1484 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
1485                                         struct snd_ctl_elem_value *ucontrol)
1486 {
1487         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1488         hda_nid_t nid = kcontrol->private_value;
1489         unsigned short val;
1490         int change;
1491
1492         mutex_lock(&codec->spdif_mutex);
1493         val = codec->spdif_ctls & ~AC_DIG1_ENABLE;
1494         if (ucontrol->value.integer.value[0])
1495                 val |= AC_DIG1_ENABLE;
1496         change = codec->spdif_ctls != val;
1497         if (change) {
1498                 codec->spdif_ctls = val;
1499                 set_dig_out_convert(codec, nid, val & 0xff, -1);
1500                 /* unmute amp switch (if any) */
1501                 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
1502                     (val & AC_DIG1_ENABLE))
1503                         snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
1504                                                  HDA_AMP_MUTE, 0);
1505         }
1506         mutex_unlock(&codec->spdif_mutex);
1507         return change;
1508 }
1509
1510 static struct snd_kcontrol_new dig_mixes[] = {
1511         {
1512                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1513                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1514                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1515                 .info = snd_hda_spdif_mask_info,
1516                 .get = snd_hda_spdif_cmask_get,
1517         },
1518         {
1519                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1520                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1521                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1522                 .info = snd_hda_spdif_mask_info,
1523                 .get = snd_hda_spdif_pmask_get,
1524         },
1525         {
1526                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1527                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1528                 .info = snd_hda_spdif_mask_info,
1529                 .get = snd_hda_spdif_default_get,
1530                 .put = snd_hda_spdif_default_put,
1531         },
1532         {
1533                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1534                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1535                 .info = snd_hda_spdif_out_switch_info,
1536                 .get = snd_hda_spdif_out_switch_get,
1537                 .put = snd_hda_spdif_out_switch_put,
1538         },
1539         { } /* end */
1540 };
1541
1542 #define SPDIF_MAX_IDX   4       /* 4 instances should be enough to probe */
1543
1544 /**
1545  * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1546  * @codec: the HDA codec
1547  * @nid: audio out widget NID
1548  *
1549  * Creates controls related with the SPDIF output.
1550  * Called from each patch supporting the SPDIF out.
1551  *
1552  * Returns 0 if successful, or a negative error code.
1553  */
1554 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid)
1555 {
1556         int err;
1557         struct snd_kcontrol *kctl;
1558         struct snd_kcontrol_new *dig_mix;
1559         int idx;
1560
1561         for (idx = 0; idx < SPDIF_MAX_IDX; idx++) {
1562                 if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Playback Switch",
1563                                              idx))
1564                         break;
1565         }
1566         if (idx >= SPDIF_MAX_IDX) {
1567                 printk(KERN_ERR "hda_codec: too many IEC958 outputs\n");
1568                 return -EBUSY;
1569         }
1570         for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
1571                 kctl = snd_ctl_new1(dig_mix, codec);
1572                 kctl->id.index = idx;
1573                 kctl->private_value = nid;
1574                 err = snd_ctl_add(codec->bus->card, kctl);
1575                 if (err < 0)
1576                         return err;
1577         }
1578         codec->spdif_ctls =
1579                 snd_hda_codec_read(codec, nid, 0,
1580                                    AC_VERB_GET_DIGI_CONVERT_1, 0);
1581         codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
1582         return 0;
1583 }
1584
1585 /*
1586  * SPDIF sharing with analog output
1587  */
1588 static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
1589                               struct snd_ctl_elem_value *ucontrol)
1590 {
1591         struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
1592         ucontrol->value.integer.value[0] = mout->share_spdif;
1593         return 0;
1594 }
1595
1596 static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
1597                               struct snd_ctl_elem_value *ucontrol)
1598 {
1599         struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
1600         mout->share_spdif = !!ucontrol->value.integer.value[0];
1601         return 0;
1602 }
1603
1604 static struct snd_kcontrol_new spdif_share_sw = {
1605         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1606         .name = "IEC958 Default PCM Playback Switch",
1607         .info = snd_ctl_boolean_mono_info,
1608         .get = spdif_share_sw_get,
1609         .put = spdif_share_sw_put,
1610 };
1611
1612 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
1613                                   struct hda_multi_out *mout)
1614 {
1615         if (!mout->dig_out_nid)
1616                 return 0;
1617         /* ATTENTION: here mout is passed as private_data, instead of codec */
1618         return snd_ctl_add(codec->bus->card,
1619                            snd_ctl_new1(&spdif_share_sw, mout));
1620 }
1621
1622 /*
1623  * SPDIF input
1624  */
1625
1626 #define snd_hda_spdif_in_switch_info    snd_hda_spdif_out_switch_info
1627
1628 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
1629                                        struct snd_ctl_elem_value *ucontrol)
1630 {
1631         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1632
1633         ucontrol->value.integer.value[0] = codec->spdif_in_enable;
1634         return 0;
1635 }
1636
1637 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
1638                                        struct snd_ctl_elem_value *ucontrol)
1639 {
1640         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1641         hda_nid_t nid = kcontrol->private_value;
1642         unsigned int val = !!ucontrol->value.integer.value[0];
1643         int change;
1644
1645         mutex_lock(&codec->spdif_mutex);
1646         change = codec->spdif_in_enable != val;
1647         if (change) {
1648                 codec->spdif_in_enable = val;
1649                 snd_hda_codec_write_cache(codec, nid, 0,
1650                                           AC_VERB_SET_DIGI_CONVERT_1, val);
1651         }
1652         mutex_unlock(&codec->spdif_mutex);
1653         return change;
1654 }
1655
1656 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
1657                                        struct snd_ctl_elem_value *ucontrol)
1658 {
1659         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1660         hda_nid_t nid = kcontrol->private_value;
1661         unsigned short val;
1662         unsigned int sbits;
1663
1664         val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT_1, 0);
1665         sbits = convert_to_spdif_status(val);
1666         ucontrol->value.iec958.status[0] = sbits;
1667         ucontrol->value.iec958.status[1] = sbits >> 8;
1668         ucontrol->value.iec958.status[2] = sbits >> 16;
1669         ucontrol->value.iec958.status[3] = sbits >> 24;
1670         return 0;
1671 }
1672
1673 static struct snd_kcontrol_new dig_in_ctls[] = {
1674         {
1675                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1676                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
1677                 .info = snd_hda_spdif_in_switch_info,
1678                 .get = snd_hda_spdif_in_switch_get,
1679                 .put = snd_hda_spdif_in_switch_put,
1680         },
1681         {
1682                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1683                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1684                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1685                 .info = snd_hda_spdif_mask_info,
1686                 .get = snd_hda_spdif_in_status_get,
1687         },
1688         { } /* end */
1689 };
1690
1691 /**
1692  * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1693  * @codec: the HDA codec
1694  * @nid: audio in widget NID
1695  *
1696  * Creates controls related with the SPDIF input.
1697  * Called from each patch supporting the SPDIF in.
1698  *
1699  * Returns 0 if successful, or a negative error code.
1700  */
1701 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
1702 {
1703         int err;
1704         struct snd_kcontrol *kctl;
1705         struct snd_kcontrol_new *dig_mix;
1706         int idx;
1707
1708         for (idx = 0; idx < SPDIF_MAX_IDX; idx++) {
1709                 if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Capture Switch",
1710                                              idx))
1711                         break;
1712         }
1713         if (idx >= SPDIF_MAX_IDX) {
1714                 printk(KERN_ERR "hda_codec: too many IEC958 inputs\n");
1715                 return -EBUSY;
1716         }
1717         for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
1718                 kctl = snd_ctl_new1(dig_mix, codec);
1719                 kctl->private_value = nid;
1720                 err = snd_ctl_add(codec->bus->card, kctl);
1721                 if (err < 0)
1722                         return err;
1723         }
1724         codec->spdif_in_enable =
1725                 snd_hda_codec_read(codec, nid, 0,
1726                                    AC_VERB_GET_DIGI_CONVERT_1, 0) &
1727                 AC_DIG1_ENABLE;
1728         return 0;
1729 }
1730
1731 #ifdef SND_HDA_NEEDS_RESUME
1732 /*
1733  * command cache
1734  */
1735
1736 /* build a 32bit cache key with the widget id and the command parameter */
1737 #define build_cmd_cache_key(nid, verb)  ((verb << 8) | nid)
1738 #define get_cmd_cache_nid(key)          ((key) & 0xff)
1739 #define get_cmd_cache_cmd(key)          (((key) >> 8) & 0xffff)
1740
1741 /**
1742  * snd_hda_codec_write_cache - send a single command with caching
1743  * @codec: the HDA codec
1744  * @nid: NID to send the command
1745  * @direct: direct flag
1746  * @verb: the verb to send
1747  * @parm: the parameter for the verb
1748  *
1749  * Send a single command without waiting for response.
1750  *
1751  * Returns 0 if successful, or a negative error code.
1752  */
1753 int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
1754                               int direct, unsigned int verb, unsigned int parm)
1755 {
1756         int err;
1757         snd_hda_power_up(codec);
1758         mutex_lock(&codec->bus->cmd_mutex);
1759         err = codec->bus->ops.command(codec, nid, direct, verb, parm);
1760         if (!err) {
1761                 struct hda_cache_head *c;
1762                 u32 key = build_cmd_cache_key(nid, verb);
1763                 c = get_alloc_hash(&codec->cmd_cache, key);
1764                 if (c)
1765                         c->val = parm;
1766         }
1767         mutex_unlock(&codec->bus->cmd_mutex);
1768         snd_hda_power_down(codec);
1769         return err;
1770 }
1771
1772 /* resume the all commands from the cache */
1773 void snd_hda_codec_resume_cache(struct hda_codec *codec)
1774 {
1775         struct hda_cache_head *buffer = codec->cmd_cache.buf.list;
1776         int i;
1777
1778         for (i = 0; i < codec->cmd_cache.buf.used; i++, buffer++) {
1779                 u32 key = buffer->key;
1780                 if (!key)
1781                         continue;
1782                 snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0,
1783                                     get_cmd_cache_cmd(key), buffer->val);
1784         }
1785 }
1786
1787 /**
1788  * snd_hda_sequence_write_cache - sequence writes with caching
1789  * @codec: the HDA codec
1790  * @seq: VERB array to send
1791  *
1792  * Send the commands sequentially from the given array.
1793  * Thte commands are recorded on cache for power-save and resume.
1794  * The array must be terminated with NID=0.
1795  */
1796 void snd_hda_sequence_write_cache(struct hda_codec *codec,
1797                                   const struct hda_verb *seq)
1798 {
1799         for (; seq->nid; seq++)
1800                 snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb,
1801                                           seq->param);
1802 }
1803 #endif /* SND_HDA_NEEDS_RESUME */
1804
1805 /*
1806  * set power state of the codec
1807  */
1808 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
1809                                 unsigned int power_state)
1810 {
1811         hda_nid_t nid;
1812         int i;
1813
1814         snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE,
1815                             power_state);
1816         msleep(10); /* partial workaround for "azx_get_response timeout" */
1817
1818         nid = codec->start_nid;
1819         for (i = 0; i < codec->num_nodes; i++, nid++) {
1820                 unsigned int wcaps = get_wcaps(codec, nid);
1821                 if (wcaps & AC_WCAP_POWER) {
1822                         unsigned int wid_type = (wcaps & AC_WCAP_TYPE) >>
1823                                 AC_WCAP_TYPE_SHIFT;
1824                         if (wid_type == AC_WID_PIN) {
1825                                 unsigned int pincap;
1826                                 /*
1827                                  * don't power down the widget if it controls
1828                                  * eapd and EAPD_BTLENABLE is set.
1829                                  */
1830                                 pincap = snd_hda_param_read(codec, nid,
1831                                                             AC_PAR_PIN_CAP);
1832                                 if (pincap & AC_PINCAP_EAPD) {
1833                                         int eapd = snd_hda_codec_read(codec,
1834                                                 nid, 0,
1835                                                 AC_VERB_GET_EAPD_BTLENABLE, 0);
1836                                         eapd &= 0x02;
1837                                         if (power_state == AC_PWRST_D3 && eapd)
1838                                                 continue;
1839                                 }
1840                         }
1841                         snd_hda_codec_write(codec, nid, 0,
1842                                             AC_VERB_SET_POWER_STATE,
1843                                             power_state);
1844                 }
1845         }
1846
1847         if (power_state == AC_PWRST_D0) {
1848                 unsigned long end_time;
1849                 int state;
1850                 msleep(10);
1851                 /* wait until the codec reachs to D0 */
1852                 end_time = jiffies + msecs_to_jiffies(500);
1853                 do {
1854                         state = snd_hda_codec_read(codec, fg, 0,
1855                                                    AC_VERB_GET_POWER_STATE, 0);
1856                         if (state == power_state)
1857                                 break;
1858                         msleep(1);
1859                 } while (time_after_eq(end_time, jiffies));
1860         }
1861 }
1862
1863 #ifdef SND_HDA_NEEDS_RESUME
1864 /*
1865  * call suspend and power-down; used both from PM and power-save
1866  */
1867 static void hda_call_codec_suspend(struct hda_codec *codec)
1868 {
1869         if (codec->patch_ops.suspend)
1870                 codec->patch_ops.suspend(codec, PMSG_SUSPEND);
1871         hda_set_power_state(codec,
1872                             codec->afg ? codec->afg : codec->mfg,
1873                             AC_PWRST_D3);
1874 #ifdef CONFIG_SND_HDA_POWER_SAVE
1875         cancel_delayed_work(&codec->power_work);
1876         codec->power_on = 0;
1877         codec->power_transition = 0;
1878 #endif
1879 }
1880
1881 /*
1882  * kick up codec; used both from PM and power-save
1883  */
1884 static void hda_call_codec_resume(struct hda_codec *codec)
1885 {
1886         hda_set_power_state(codec,
1887                             codec->afg ? codec->afg : codec->mfg,
1888                             AC_PWRST_D0);
1889         if (codec->patch_ops.resume)
1890                 codec->patch_ops.resume(codec);
1891         else {
1892                 if (codec->patch_ops.init)
1893                         codec->patch_ops.init(codec);
1894                 snd_hda_codec_resume_amp(codec);
1895                 snd_hda_codec_resume_cache(codec);
1896         }
1897 }
1898 #endif /* SND_HDA_NEEDS_RESUME */
1899
1900
1901 /**
1902  * snd_hda_build_controls - build mixer controls
1903  * @bus: the BUS
1904  *
1905  * Creates mixer controls for each codec included in the bus.
1906  *
1907  * Returns 0 if successful, otherwise a negative error code.
1908  */
1909 int __devinit snd_hda_build_controls(struct hda_bus *bus)
1910 {
1911         struct hda_codec *codec;
1912
1913         list_for_each_entry(codec, &bus->codec_list, list) {
1914                 int err = 0;
1915                 /* fake as if already powered-on */
1916                 hda_keep_power_on(codec);
1917                 /* then fire up */
1918                 hda_set_power_state(codec,
1919                                     codec->afg ? codec->afg : codec->mfg,
1920                                     AC_PWRST_D0);
1921                 /* continue to initialize... */
1922                 if (codec->patch_ops.init)
1923                         err = codec->patch_ops.init(codec);
1924                 if (!err && codec->patch_ops.build_controls)
1925                         err = codec->patch_ops.build_controls(codec);
1926                 snd_hda_power_down(codec);
1927                 if (err < 0)
1928                         return err;
1929         }
1930
1931         return 0;
1932 }
1933
1934 /*
1935  * stream formats
1936  */
1937 struct hda_rate_tbl {
1938         unsigned int hz;
1939         unsigned int alsa_bits;
1940         unsigned int hda_fmt;
1941 };
1942
1943 static struct hda_rate_tbl rate_bits[] = {
1944         /* rate in Hz, ALSA rate bitmask, HDA format value */
1945
1946         /* autodetected value used in snd_hda_query_supported_pcm */
1947         { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
1948         { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
1949         { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
1950         { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
1951         { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
1952         { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
1953         { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
1954         { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
1955         { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
1956         { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
1957         { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
1958 #define AC_PAR_PCM_RATE_BITS    11
1959         /* up to bits 10, 384kHZ isn't supported properly */
1960
1961         /* not autodetected value */
1962         { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
1963
1964         { 0 } /* terminator */
1965 };
1966
1967 /**
1968  * snd_hda_calc_stream_format - calculate format bitset
1969  * @rate: the sample rate
1970  * @channels: the number of channels
1971  * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
1972  * @maxbps: the max. bps
1973  *
1974  * Calculate the format bitset from the given rate, channels and th PCM format.
1975  *
1976  * Return zero if invalid.
1977  */
1978 unsigned int snd_hda_calc_stream_format(unsigned int rate,
1979                                         unsigned int channels,
1980                                         unsigned int format,
1981                                         unsigned int maxbps)
1982 {
1983         int i;
1984         unsigned int val = 0;
1985
1986         for (i = 0; rate_bits[i].hz; i++)
1987                 if (rate_bits[i].hz == rate) {
1988                         val = rate_bits[i].hda_fmt;
1989                         break;
1990                 }
1991         if (!rate_bits[i].hz) {
1992                 snd_printdd("invalid rate %d\n", rate);
1993                 return 0;
1994         }
1995
1996         if (channels == 0 || channels > 8) {
1997                 snd_printdd("invalid channels %d\n", channels);
1998                 return 0;
1999         }
2000         val |= channels - 1;
2001
2002         switch (snd_pcm_format_width(format)) {
2003         case 8:  val |= 0x00; break;
2004         case 16: val |= 0x10; break;
2005         case 20:
2006         case 24:
2007         case 32:
2008                 if (maxbps >= 32)
2009                         val |= 0x40;
2010                 else if (maxbps >= 24)
2011                         val |= 0x30;
2012                 else
2013                         val |= 0x20;
2014                 break;
2015         default:
2016                 snd_printdd("invalid format width %d\n",
2017                             snd_pcm_format_width(format));
2018                 return 0;
2019         }
2020
2021         return val;
2022 }
2023
2024 /**
2025  * snd_hda_query_supported_pcm - query the supported PCM rates and formats
2026  * @codec: the HDA codec
2027  * @nid: NID to query
2028  * @ratesp: the pointer to store the detected rate bitflags
2029  * @formatsp: the pointer to store the detected formats
2030  * @bpsp: the pointer to store the detected format widths
2031  *
2032  * Queries the supported PCM rates and formats.  The NULL @ratesp, @formatsp
2033  * or @bsps argument is ignored.
2034  *
2035  * Returns 0 if successful, otherwise a negative error code.
2036  */
2037 int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
2038                                 u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
2039 {
2040         int i;
2041         unsigned int val, streams;
2042
2043         val = 0;
2044         if (nid != codec->afg &&
2045             (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
2046                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
2047                 if (val == -1)
2048                         return -EIO;
2049         }
2050         if (!val)
2051                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
2052
2053         if (ratesp) {
2054                 u32 rates = 0;
2055                 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) {
2056                         if (val & (1 << i))
2057                                 rates |= rate_bits[i].alsa_bits;
2058                 }
2059                 *ratesp = rates;
2060         }
2061
2062         if (formatsp || bpsp) {
2063                 u64 formats = 0;
2064                 unsigned int bps;
2065                 unsigned int wcaps;
2066
2067                 wcaps = get_wcaps(codec, nid);
2068                 streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
2069                 if (streams == -1)
2070                         return -EIO;
2071                 if (!streams) {
2072                         streams = snd_hda_param_read(codec, codec->afg,
2073                                                      AC_PAR_STREAM);
2074                         if (streams == -1)
2075                                 return -EIO;
2076                 }
2077
2078                 bps = 0;
2079                 if (streams & AC_SUPFMT_PCM) {
2080                         if (val & AC_SUPPCM_BITS_8) {
2081                                 formats |= SNDRV_PCM_FMTBIT_U8;
2082                                 bps = 8;
2083                         }
2084                         if (val & AC_SUPPCM_BITS_16) {
2085                                 formats |= SNDRV_PCM_FMTBIT_S16_LE;
2086                                 bps = 16;
2087                         }
2088                         if (wcaps & AC_WCAP_DIGITAL) {
2089                                 if (val & AC_SUPPCM_BITS_32)
2090                                         formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
2091                                 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
2092                                         formats |= SNDRV_PCM_FMTBIT_S32_LE;
2093                                 if (val & AC_SUPPCM_BITS_24)
2094                                         bps = 24;
2095                                 else if (val & AC_SUPPCM_BITS_20)
2096                                         bps = 20;
2097                         } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|
2098                                           AC_SUPPCM_BITS_32)) {
2099                                 formats |= SNDRV_PCM_FMTBIT_S32_LE;
2100                                 if (val & AC_SUPPCM_BITS_32)
2101                                         bps = 32;
2102                                 else if (val & AC_SUPPCM_BITS_24)
2103                                         bps = 24;
2104                                 else if (val & AC_SUPPCM_BITS_20)
2105                                         bps = 20;
2106                         }
2107                 }
2108                 else if (streams == AC_SUPFMT_FLOAT32) {
2109                         /* should be exclusive */
2110                         formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
2111                         bps = 32;
2112                 } else if (streams == AC_SUPFMT_AC3) {
2113                         /* should be exclusive */
2114                         /* temporary hack: we have still no proper support
2115                          * for the direct AC3 stream...
2116                          */
2117                         formats |= SNDRV_PCM_FMTBIT_U8;
2118                         bps = 8;
2119                 }
2120                 if (formatsp)
2121                         *formatsp = formats;
2122                 if (bpsp)
2123                         *bpsp = bps;
2124         }
2125
2126         return 0;
2127 }
2128
2129 /**
2130  * snd_hda_is_supported_format - check whether the given node supports
2131  * the format val
2132  *
2133  * Returns 1 if supported, 0 if not.
2134  */
2135 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
2136                                 unsigned int format)
2137 {
2138         int i;
2139         unsigned int val = 0, rate, stream;
2140
2141         if (nid != codec->afg &&
2142             (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
2143                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
2144                 if (val == -1)
2145                         return 0;
2146         }
2147         if (!val) {
2148                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
2149                 if (val == -1)
2150                         return 0;
2151         }
2152
2153         rate = format & 0xff00;
2154         for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)
2155                 if (rate_bits[i].hda_fmt == rate) {
2156                         if (val & (1 << i))
2157                                 break;
2158                         return 0;
2159                 }
2160         if (i >= AC_PAR_PCM_RATE_BITS)
2161                 return 0;
2162
2163         stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
2164         if (stream == -1)
2165                 return 0;
2166         if (!stream && nid != codec->afg)
2167                 stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
2168         if (!stream || stream == -1)
2169                 return 0;
2170
2171         if (stream & AC_SUPFMT_PCM) {
2172                 switch (format & 0xf0) {
2173                 case 0x00:
2174                         if (!(val & AC_SUPPCM_BITS_8))
2175                                 return 0;
2176                         break;
2177                 case 0x10:
2178                         if (!(val & AC_SUPPCM_BITS_16))
2179                                 return 0;
2180                         break;
2181                 case 0x20:
2182                         if (!(val & AC_SUPPCM_BITS_20))
2183                                 return 0;
2184                         break;
2185                 case 0x30:
2186                         if (!(val & AC_SUPPCM_BITS_24))
2187                                 return 0;
2188                         break;
2189                 case 0x40:
2190                         if (!(val & AC_SUPPCM_BITS_32))
2191                                 return 0;
2192                         break;
2193                 default:
2194                         return 0;
2195                 }
2196         } else {
2197                 /* FIXME: check for float32 and AC3? */
2198         }
2199
2200         return 1;
2201 }
2202
2203 /*
2204  * PCM stuff
2205  */
2206 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
2207                                       struct hda_codec *codec,
2208                                       struct snd_pcm_substream *substream)
2209 {
2210         return 0;
2211 }
2212
2213 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
2214                                    struct hda_codec *codec,
2215                                    unsigned int stream_tag,
2216                                    unsigned int format,
2217                                    struct snd_pcm_substream *substream)
2218 {
2219         snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
2220         return 0;
2221 }
2222
2223 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
2224                                    struct hda_codec *codec,
2225                                    struct snd_pcm_substream *substream)
2226 {
2227         snd_hda_codec_cleanup_stream(codec, hinfo->nid);
2228         return 0;
2229 }
2230
2231 static int __devinit set_pcm_default_values(struct hda_codec *codec,
2232                                             struct hda_pcm_stream *info)
2233 {
2234         /* query support PCM information from the given NID */
2235         if (info->nid && (!info->rates || !info->formats)) {
2236                 snd_hda_query_supported_pcm(codec, info->nid,
2237                                 info->rates ? NULL : &info->rates,
2238                                 info->formats ? NULL : &info->formats,
2239                                 info->maxbps ? NULL : &info->maxbps);
2240         }
2241         if (info->ops.open == NULL)
2242                 info->ops.open = hda_pcm_default_open_close;
2243         if (info->ops.close == NULL)
2244                 info->ops.close = hda_pcm_default_open_close;
2245         if (info->ops.prepare == NULL) {
2246                 if (snd_BUG_ON(!info->nid))
2247                         return -EINVAL;
2248                 info->ops.prepare = hda_pcm_default_prepare;
2249         }
2250         if (info->ops.cleanup == NULL) {
2251                 if (snd_BUG_ON(!info->nid))
2252                         return -EINVAL;
2253                 info->ops.cleanup = hda_pcm_default_cleanup;
2254         }
2255         return 0;
2256 }
2257
2258 /*
2259  * attach a new PCM stream
2260  */
2261 static int __devinit
2262 snd_hda_attach_pcm(struct hda_codec *codec, struct hda_pcm *pcm)
2263 {
2264         struct hda_pcm_stream *info;
2265         int stream, err;
2266
2267         if (!pcm->name)
2268                 return -EINVAL;
2269         for (stream = 0; stream < 2; stream++) {
2270                 info = &pcm->stream[stream];
2271                 if (info->substreams) {
2272                         err = set_pcm_default_values(codec, info);
2273                         if (err < 0)
2274                                 return err;
2275                 }
2276         }
2277         return codec->bus->ops.attach_pcm(codec, pcm);
2278 }
2279
2280 /**
2281  * snd_hda_build_pcms - build PCM information
2282  * @bus: the BUS
2283  *
2284  * Create PCM information for each codec included in the bus.
2285  *
2286  * The build_pcms codec patch is requested to set up codec->num_pcms and
2287  * codec->pcm_info properly.  The array is referred by the top-level driver
2288  * to create its PCM instances.
2289  * The allocated codec->pcm_info should be released in codec->patch_ops.free
2290  * callback.
2291  *
2292  * At least, substreams, channels_min and channels_max must be filled for
2293  * each stream.  substreams = 0 indicates that the stream doesn't exist.
2294  * When rates and/or formats are zero, the supported values are queried
2295  * from the given nid.  The nid is used also by the default ops.prepare
2296  * and ops.cleanup callbacks.
2297  *
2298  * The driver needs to call ops.open in its open callback.  Similarly,
2299  * ops.close is supposed to be called in the close callback.
2300  * ops.prepare should be called in the prepare or hw_params callback
2301  * with the proper parameters for set up.
2302  * ops.cleanup should be called in hw_free for clean up of streams.
2303  *
2304  * This function returns 0 if successfull, or a negative error code.
2305  */
2306 int __devinit snd_hda_build_pcms(struct hda_bus *bus)
2307 {
2308         static const char *dev_name[HDA_PCM_NTYPES] = {
2309                 "Audio", "SPDIF", "HDMI", "Modem"
2310         };
2311         /* starting device index for each PCM type */
2312         static int dev_idx[HDA_PCM_NTYPES] = {
2313                 [HDA_PCM_TYPE_AUDIO] = 0,
2314                 [HDA_PCM_TYPE_SPDIF] = 1,
2315                 [HDA_PCM_TYPE_HDMI] = 3,
2316                 [HDA_PCM_TYPE_MODEM] = 6
2317         };
2318         /* normal audio device indices; not linear to keep compatibility */
2319         static int audio_idx[4] = { 0, 2, 4, 5 };
2320         struct hda_codec *codec;
2321         int num_devs[HDA_PCM_NTYPES];
2322
2323         memset(num_devs, 0, sizeof(num_devs));
2324         list_for_each_entry(codec, &bus->codec_list, list) {
2325                 unsigned int pcm;
2326                 int err;
2327                 if (!codec->patch_ops.build_pcms)
2328                         continue;
2329                 err = codec->patch_ops.build_pcms(codec);
2330                 if (err < 0)
2331                         return err;
2332                 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
2333                         struct hda_pcm *cpcm = &codec->pcm_info[pcm];
2334                         int type = cpcm->pcm_type;
2335                         switch (type) {
2336                         case HDA_PCM_TYPE_AUDIO:
2337                                 if (num_devs[type] >= ARRAY_SIZE(audio_idx)) {
2338                                         snd_printk(KERN_WARNING
2339                                                    "Too many audio devices\n");
2340                                         continue;
2341                                 }
2342                                 cpcm->device = audio_idx[num_devs[type]];
2343                                 break;
2344                         case HDA_PCM_TYPE_SPDIF:
2345                         case HDA_PCM_TYPE_HDMI:
2346                         case HDA_PCM_TYPE_MODEM:
2347                                 if (num_devs[type]) {
2348                                         snd_printk(KERN_WARNING
2349                                                    "%s already defined\n",
2350                                                    dev_name[type]);
2351                                         continue;
2352                                 }
2353                                 cpcm->device = dev_idx[type];
2354                                 break;
2355                         default:
2356                                 snd_printk(KERN_WARNING
2357                                            "Invalid PCM type %d\n", type);
2358                                 continue;
2359                         }
2360                         num_devs[type]++;
2361                         err = snd_hda_attach_pcm(codec, cpcm);
2362                         if (err < 0)
2363                                 return err;
2364                 }
2365         }
2366         return 0;
2367 }
2368
2369 /**
2370  * snd_hda_check_board_config - compare the current codec with the config table
2371  * @codec: the HDA codec
2372  * @num_configs: number of config enums
2373  * @models: array of model name strings
2374  * @tbl: configuration table, terminated by null entries
2375  *
2376  * Compares the modelname or PCI subsystem id of the current codec with the
2377  * given configuration table.  If a matching entry is found, returns its
2378  * config value (supposed to be 0 or positive).
2379  *
2380  * If no entries are matching, the function returns a negative value.
2381  */
2382 int snd_hda_check_board_config(struct hda_codec *codec,
2383                                int num_configs, const char **models,
2384                                const struct snd_pci_quirk *tbl)
2385 {
2386         if (codec->modelname && models) {
2387                 int i;
2388                 for (i = 0; i < num_configs; i++) {
2389                         if (models[i] &&
2390                             !strcmp(codec->modelname, models[i])) {
2391                                 snd_printd(KERN_INFO "hda_codec: model '%s' is "
2392                                            "selected\n", models[i]);
2393                                 return i;
2394                         }
2395                 }
2396         }
2397
2398         if (!codec->bus->pci || !tbl)
2399                 return -1;
2400
2401         tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl);
2402         if (!tbl)
2403                 return -1;
2404         if (tbl->value >= 0 && tbl->value < num_configs) {
2405 #ifdef CONFIG_SND_DEBUG_VERBOSE
2406                 char tmp[10];
2407                 const char *model = NULL;
2408                 if (models)
2409                         model = models[tbl->value];
2410                 if (!model) {
2411                         sprintf(tmp, "#%d", tbl->value);
2412                         model = tmp;
2413                 }
2414                 snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
2415                             "for config %x:%x (%s)\n",
2416                             model, tbl->subvendor, tbl->subdevice,
2417                             (tbl->name ? tbl->name : "Unknown device"));
2418 #endif
2419                 return tbl->value;
2420         }
2421         return -1;
2422 }
2423
2424 /**
2425  * snd_hda_add_new_ctls - create controls from the array
2426  * @codec: the HDA codec
2427  * @knew: the array of struct snd_kcontrol_new
2428  *
2429  * This helper function creates and add new controls in the given array.
2430  * The array must be terminated with an empty entry as terminator.
2431  *
2432  * Returns 0 if successful, or a negative error code.
2433  */
2434 int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
2435 {
2436         int err;
2437
2438         for (; knew->name; knew++) {
2439                 struct snd_kcontrol *kctl;
2440                 kctl = snd_ctl_new1(knew, codec);
2441                 if (!kctl)
2442                         return -ENOMEM;
2443                 err = snd_ctl_add(codec->bus->card, kctl);
2444                 if (err < 0) {
2445                         if (!codec->addr)
2446                                 return err;
2447                         kctl = snd_ctl_new1(knew, codec);
2448                         if (!kctl)
2449                                 return -ENOMEM;
2450                         kctl->id.device = codec->addr;
2451                         err = snd_ctl_add(codec->bus->card, kctl);
2452                         if (err < 0)
2453                                 return err;
2454                 }
2455         }
2456         return 0;
2457 }
2458
2459 #ifdef CONFIG_SND_HDA_POWER_SAVE
2460 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2461                                 unsigned int power_state);
2462
2463 static void hda_power_work(struct work_struct *work)
2464 {
2465         struct hda_codec *codec =
2466                 container_of(work, struct hda_codec, power_work.work);
2467
2468         if (!codec->power_on || codec->power_count) {
2469                 codec->power_transition = 0;
2470                 return;
2471         }
2472
2473         hda_call_codec_suspend(codec);
2474         if (codec->bus->ops.pm_notify)
2475                 codec->bus->ops.pm_notify(codec);
2476 }
2477
2478 static void hda_keep_power_on(struct hda_codec *codec)
2479 {
2480         codec->power_count++;
2481         codec->power_on = 1;
2482 }
2483
2484 void snd_hda_power_up(struct hda_codec *codec)
2485 {
2486         codec->power_count++;
2487         if (codec->power_on || codec->power_transition)
2488                 return;
2489
2490         codec->power_on = 1;
2491         if (codec->bus->ops.pm_notify)
2492                 codec->bus->ops.pm_notify(codec);
2493         hda_call_codec_resume(codec);
2494         cancel_delayed_work(&codec->power_work);
2495         codec->power_transition = 0;
2496 }
2497
2498 void snd_hda_power_down(struct hda_codec *codec)
2499 {
2500         --codec->power_count;
2501         if (!codec->power_on || codec->power_count || codec->power_transition)
2502                 return;
2503         if (power_save) {
2504                 codec->power_transition = 1; /* avoid reentrance */
2505                 schedule_delayed_work(&codec->power_work,
2506                                       msecs_to_jiffies(power_save * 1000));
2507         }
2508 }
2509
2510 int snd_hda_check_amp_list_power(struct hda_codec *codec,
2511                                  struct hda_loopback_check *check,
2512                                  hda_nid_t nid)
2513 {
2514         struct hda_amp_list *p;
2515         int ch, v;
2516
2517         if (!check->amplist)
2518                 return 0;
2519         for (p = check->amplist; p->nid; p++) {
2520                 if (p->nid == nid)
2521                         break;
2522         }
2523         if (!p->nid)
2524                 return 0; /* nothing changed */
2525
2526         for (p = check->amplist; p->nid; p++) {
2527                 for (ch = 0; ch < 2; ch++) {
2528                         v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
2529                                                    p->idx);
2530                         if (!(v & HDA_AMP_MUTE) && v > 0) {
2531                                 if (!check->power_on) {
2532                                         check->power_on = 1;
2533                                         snd_hda_power_up(codec);
2534                                 }
2535                                 return 1;
2536                         }
2537                 }
2538         }
2539         if (check->power_on) {
2540                 check->power_on = 0;
2541                 snd_hda_power_down(codec);
2542         }
2543         return 0;
2544 }
2545 #endif
2546
2547 /*
2548  * Channel mode helper
2549  */
2550 int snd_hda_ch_mode_info(struct hda_codec *codec,
2551                          struct snd_ctl_elem_info *uinfo,
2552                          const struct hda_channel_mode *chmode,
2553                          int num_chmodes)
2554 {
2555         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2556         uinfo->count = 1;
2557         uinfo->value.enumerated.items = num_chmodes;
2558         if (uinfo->value.enumerated.item >= num_chmodes)
2559                 uinfo->value.enumerated.item = num_chmodes - 1;
2560         sprintf(uinfo->value.enumerated.name, "%dch",
2561                 chmode[uinfo->value.enumerated.item].channels);
2562         return 0;
2563 }
2564
2565 int snd_hda_ch_mode_get(struct hda_codec *codec,
2566                         struct snd_ctl_elem_value *ucontrol,
2567                         const struct hda_channel_mode *chmode,
2568                         int num_chmodes,
2569                         int max_channels)
2570 {
2571         int i;
2572
2573         for (i = 0; i < num_chmodes; i++) {
2574                 if (max_channels == chmode[i].channels) {
2575                         ucontrol->value.enumerated.item[0] = i;
2576                         break;
2577                 }
2578         }
2579         return 0;
2580 }
2581
2582 int snd_hda_ch_mode_put(struct hda_codec *codec,
2583                         struct snd_ctl_elem_value *ucontrol,
2584                         const struct hda_channel_mode *chmode,
2585                         int num_chmodes,
2586                         int *max_channelsp)
2587 {
2588         unsigned int mode;
2589
2590         mode = ucontrol->value.enumerated.item[0];
2591         if (mode >= num_chmodes)
2592                 return -EINVAL;
2593         if (*max_channelsp == chmode[mode].channels)
2594                 return 0;
2595         /* change the current channel setting */
2596         *max_channelsp = chmode[mode].channels;
2597         if (chmode[mode].sequence)
2598                 snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
2599         return 1;
2600 }
2601
2602 /*
2603  * input MUX helper
2604  */
2605 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
2606                            struct snd_ctl_elem_info *uinfo)
2607 {
2608         unsigned int index;
2609
2610         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2611         uinfo->count = 1;
2612         uinfo->value.enumerated.items = imux->num_items;
2613         if (!imux->num_items)
2614                 return 0;
2615         index = uinfo->value.enumerated.item;
2616         if (index >= imux->num_items)
2617                 index = imux->num_items - 1;
2618         strcpy(uinfo->value.enumerated.name, imux->items[index].label);
2619         return 0;
2620 }
2621
2622 int snd_hda_input_mux_put(struct hda_codec *codec,
2623                           const struct hda_input_mux *imux,
2624                           struct snd_ctl_elem_value *ucontrol,
2625                           hda_nid_t nid,
2626                           unsigned int *cur_val)
2627 {
2628         unsigned int idx;
2629
2630         if (!imux->num_items)
2631                 return 0;
2632         idx = ucontrol->value.enumerated.item[0];
2633         if (idx >= imux->num_items)
2634                 idx = imux->num_items - 1;
2635         if (*cur_val == idx)
2636                 return 0;
2637         snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
2638                                   imux->items[idx].index);
2639         *cur_val = idx;
2640         return 1;
2641 }
2642
2643
2644 /*
2645  * Multi-channel / digital-out PCM helper functions
2646  */
2647
2648 /* setup SPDIF output stream */
2649 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
2650                                  unsigned int stream_tag, unsigned int format)
2651 {
2652         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2653         if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
2654                 set_dig_out_convert(codec, nid,
2655                                     codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff,
2656                                     -1);
2657         snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
2658         if (codec->slave_dig_outs) {
2659                 hda_nid_t *d;
2660                 for (d = codec->slave_dig_outs; *d; d++)
2661                         snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
2662                                                    format);
2663         }
2664         /* turn on again (if needed) */
2665         if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
2666                 set_dig_out_convert(codec, nid,
2667                                     codec->spdif_ctls & 0xff, -1);
2668 }
2669
2670 static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
2671 {
2672         snd_hda_codec_cleanup_stream(codec, nid);
2673         if (codec->slave_dig_outs) {
2674                 hda_nid_t *d;
2675                 for (d = codec->slave_dig_outs; *d; d++)
2676                         snd_hda_codec_cleanup_stream(codec, *d);
2677         }
2678 }
2679
2680 /*
2681  * open the digital out in the exclusive mode
2682  */
2683 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
2684                                struct hda_multi_out *mout)
2685 {
2686         mutex_lock(&codec->spdif_mutex);
2687         if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
2688                 /* already opened as analog dup; reset it once */
2689                 cleanup_dig_out_stream(codec, mout->dig_out_nid);
2690         mout->dig_out_used = HDA_DIG_EXCLUSIVE;
2691         mutex_unlock(&codec->spdif_mutex);
2692         return 0;
2693 }
2694
2695 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
2696                                   struct hda_multi_out *mout,
2697                                   unsigned int stream_tag,
2698                                   unsigned int format,
2699                                   struct snd_pcm_substream *substream)
2700 {
2701         mutex_lock(&codec->spdif_mutex);
2702         setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
2703         mutex_unlock(&codec->spdif_mutex);
2704         return 0;
2705 }
2706
2707 /*
2708  * release the digital out
2709  */
2710 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
2711                                 struct hda_multi_out *mout)
2712 {
2713         mutex_lock(&codec->spdif_mutex);
2714         mout->dig_out_used = 0;
2715         mutex_unlock(&codec->spdif_mutex);
2716         return 0;
2717 }
2718
2719 /*
2720  * set up more restrictions for analog out
2721  */
2722 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
2723                                   struct hda_multi_out *mout,
2724                                   struct snd_pcm_substream *substream,
2725                                   struct hda_pcm_stream *hinfo)
2726 {
2727         struct snd_pcm_runtime *runtime = substream->runtime;
2728         runtime->hw.channels_max = mout->max_channels;
2729         if (mout->dig_out_nid) {
2730                 if (!mout->analog_rates) {
2731                         mout->analog_rates = hinfo->rates;
2732                         mout->analog_formats = hinfo->formats;
2733                         mout->analog_maxbps = hinfo->maxbps;
2734                 } else {
2735                         runtime->hw.rates = mout->analog_rates;
2736                         runtime->hw.formats = mout->analog_formats;
2737                         hinfo->maxbps = mout->analog_maxbps;
2738                 }
2739                 if (!mout->spdif_rates) {
2740                         snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
2741                                                     &mout->spdif_rates,
2742                                                     &mout->spdif_formats,
2743                                                     &mout->spdif_maxbps);
2744                 }
2745                 mutex_lock(&codec->spdif_mutex);
2746                 if (mout->share_spdif) {
2747                         runtime->hw.rates &= mout->spdif_rates;
2748                         runtime->hw.formats &= mout->spdif_formats;
2749                         if (mout->spdif_maxbps < hinfo->maxbps)
2750                                 hinfo->maxbps = mout->spdif_maxbps;
2751                 }
2752                 mutex_unlock(&codec->spdif_mutex);
2753         }
2754         return snd_pcm_hw_constraint_step(substream->runtime, 0,
2755                                           SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2756 }
2757
2758 /*
2759  * set up the i/o for analog out
2760  * when the digital out is available, copy the front out to digital out, too.
2761  */
2762 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
2763                                      struct hda_multi_out *mout,
2764                                      unsigned int stream_tag,
2765                                      unsigned int format,
2766                                      struct snd_pcm_substream *substream)
2767 {
2768         hda_nid_t *nids = mout->dac_nids;
2769         int chs = substream->runtime->channels;
2770         int i;
2771
2772         mutex_lock(&codec->spdif_mutex);
2773         if (mout->dig_out_nid && mout->share_spdif &&
2774             mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
2775                 if (chs == 2 &&
2776                     snd_hda_is_supported_format(codec, mout->dig_out_nid,
2777                                                 format) &&
2778                     !(codec->spdif_status & IEC958_AES0_NONAUDIO)) {
2779                         mout->dig_out_used = HDA_DIG_ANALOG_DUP;
2780                         setup_dig_out_stream(codec, mout->dig_out_nid,
2781                                              stream_tag, format);
2782                 } else {
2783                         mout->dig_out_used = 0;
2784                         cleanup_dig_out_stream(codec, mout->dig_out_nid);
2785                 }
2786         }
2787         mutex_unlock(&codec->spdif_mutex);
2788
2789         /* front */
2790         snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
2791                                    0, format);
2792         if (!mout->no_share_stream &&
2793             mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
2794                 /* headphone out will just decode front left/right (stereo) */
2795                 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
2796                                            0, format);
2797         /* extra outputs copied from front */
2798         for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2799                 if (!mout->no_share_stream && mout->extra_out_nid[i])
2800                         snd_hda_codec_setup_stream(codec,
2801                                                    mout->extra_out_nid[i],
2802                                                    stream_tag, 0, format);
2803
2804         /* surrounds */
2805         for (i = 1; i < mout->num_dacs; i++) {
2806                 if (chs >= (i + 1) * 2) /* independent out */
2807                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2808                                                    i * 2, format);
2809                 else if (!mout->no_share_stream) /* copy front */
2810                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2811                                                    0, format);
2812         }
2813         return 0;
2814 }
2815
2816 /*
2817  * clean up the setting for analog out
2818  */
2819 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
2820                                      struct hda_multi_out *mout)
2821 {
2822         hda_nid_t *nids = mout->dac_nids;
2823         int i;
2824
2825         for (i = 0; i < mout->num_dacs; i++)
2826                 snd_hda_codec_cleanup_stream(codec, nids[i]);
2827         if (mout->hp_nid)
2828                 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
2829         for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2830                 if (mout->extra_out_nid[i])
2831                         snd_hda_codec_cleanup_stream(codec,
2832                                                      mout->extra_out_nid[i]);
2833         mutex_lock(&codec->spdif_mutex);
2834         if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
2835                 cleanup_dig_out_stream(codec, mout->dig_out_nid);
2836                 mout->dig_out_used = 0;
2837         }
2838         mutex_unlock(&codec->spdif_mutex);
2839         return 0;
2840 }
2841
2842 /*
2843  * Helper for automatic pin configuration
2844  */
2845
2846 static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list)
2847 {
2848         for (; *list; list++)
2849                 if (*list == nid)
2850                         return 1;
2851         return 0;
2852 }
2853
2854
2855 /*
2856  * Sort an associated group of pins according to their sequence numbers.
2857  */
2858 static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences,
2859                                   int num_pins)
2860 {
2861         int i, j;
2862         short seq;
2863         hda_nid_t nid;
2864
2865         for (i = 0; i < num_pins; i++) {
2866                 for (j = i + 1; j < num_pins; j++) {
2867                         if (sequences[i] > sequences[j]) {
2868                                 seq = sequences[i];
2869                                 sequences[i] = sequences[j];
2870                                 sequences[j] = seq;
2871                                 nid = pins[i];
2872                                 pins[i] = pins[j];
2873                                 pins[j] = nid;
2874                         }
2875                 }
2876         }
2877 }
2878
2879
2880 /*
2881  * Parse all pin widgets and store the useful pin nids to cfg
2882  *
2883  * The number of line-outs or any primary output is stored in line_outs,
2884  * and the corresponding output pins are assigned to line_out_pins[],
2885  * in the order of front, rear, CLFE, side, ...
2886  *
2887  * If more extra outputs (speaker and headphone) are found, the pins are
2888  * assisnged to hp_pins[] and speaker_pins[], respectively.  If no line-out jack
2889  * is detected, one of speaker of HP pins is assigned as the primary
2890  * output, i.e. to line_out_pins[0].  So, line_outs is always positive
2891  * if any analog output exists.
2892  *
2893  * The analog input pins are assigned to input_pins array.
2894  * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
2895  * respectively.
2896  */
2897 int snd_hda_parse_pin_def_config(struct hda_codec *codec,
2898                                  struct auto_pin_cfg *cfg,
2899                                  hda_nid_t *ignore_nids)
2900 {
2901         hda_nid_t nid, end_nid;
2902         short seq, assoc_line_out, assoc_speaker;
2903         short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)];
2904         short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)];
2905         short sequences_hp[ARRAY_SIZE(cfg->hp_pins)];
2906
2907         memset(cfg, 0, sizeof(*cfg));
2908
2909         memset(sequences_line_out, 0, sizeof(sequences_line_out));
2910         memset(sequences_speaker, 0, sizeof(sequences_speaker));
2911         memset(sequences_hp, 0, sizeof(sequences_hp));
2912         assoc_line_out = assoc_speaker = 0;
2913
2914         end_nid = codec->start_nid + codec->num_nodes;
2915         for (nid = codec->start_nid; nid < end_nid; nid++) {
2916                 unsigned int wid_caps = get_wcaps(codec, nid);
2917                 unsigned int wid_type =
2918                         (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
2919                 unsigned int def_conf;
2920                 short assoc, loc;
2921
2922                 /* read all default configuration for pin complex */
2923                 if (wid_type != AC_WID_PIN)
2924                         continue;
2925                 /* ignore the given nids (e.g. pc-beep returns error) */
2926                 if (ignore_nids && is_in_nid_list(nid, ignore_nids))
2927                         continue;
2928
2929                 def_conf = snd_hda_codec_read(codec, nid, 0,
2930                                               AC_VERB_GET_CONFIG_DEFAULT, 0);
2931                 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
2932                         continue;
2933                 loc = get_defcfg_location(def_conf);
2934                 switch (get_defcfg_device(def_conf)) {
2935                 case AC_JACK_LINE_OUT:
2936                         seq = get_defcfg_sequence(def_conf);
2937                         assoc = get_defcfg_association(def_conf);
2938
2939                         if (!(wid_caps & AC_WCAP_STEREO))
2940                                 if (!cfg->mono_out_pin)
2941                                         cfg->mono_out_pin = nid;
2942                         if (!assoc)
2943                                 continue;
2944                         if (!assoc_line_out)
2945                                 assoc_line_out = assoc;
2946                         else if (assoc_line_out != assoc)
2947                                 continue;
2948                         if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
2949                                 continue;
2950                         cfg->line_out_pins[cfg->line_outs] = nid;
2951                         sequences_line_out[cfg->line_outs] = seq;
2952                         cfg->line_outs++;
2953                         break;
2954                 case AC_JACK_SPEAKER:
2955                         seq = get_defcfg_sequence(def_conf);
2956                         assoc = get_defcfg_association(def_conf);
2957                         if (! assoc)
2958                                 continue;
2959                         if (! assoc_speaker)
2960                                 assoc_speaker = assoc;
2961                         else if (assoc_speaker != assoc)
2962                                 continue;
2963                         if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
2964                                 continue;
2965                         cfg->speaker_pins[cfg->speaker_outs] = nid;
2966                         sequences_speaker[cfg->speaker_outs] = seq;
2967                         cfg->speaker_outs++;
2968                         break;
2969                 case AC_JACK_HP_OUT:
2970                         seq = get_defcfg_sequence(def_conf);
2971                         assoc = get_defcfg_association(def_conf);
2972                         if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
2973                                 continue;
2974                         cfg->hp_pins[cfg->hp_outs] = nid;
2975                         sequences_hp[cfg->hp_outs] = (assoc << 4) | seq;
2976                         cfg->hp_outs++;
2977                         break;
2978                 case AC_JACK_MIC_IN: {
2979                         int preferred, alt;
2980                         if (loc == AC_JACK_LOC_FRONT) {
2981                                 preferred = AUTO_PIN_FRONT_MIC;
2982                                 alt = AUTO_PIN_MIC;
2983                         } else {
2984                                 preferred = AUTO_PIN_MIC;
2985                                 alt = AUTO_PIN_FRONT_MIC;
2986                         }
2987                         if (!cfg->input_pins[preferred])
2988                                 cfg->input_pins[preferred] = nid;
2989                         else if (!cfg->input_pins[alt])
2990                                 cfg->input_pins[alt] = nid;
2991                         break;
2992                 }
2993                 case AC_JACK_LINE_IN:
2994                         if (loc == AC_JACK_LOC_FRONT)
2995                                 cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
2996                         else
2997                                 cfg->input_pins[AUTO_PIN_LINE] = nid;
2998                         break;
2999                 case AC_JACK_CD:
3000                         cfg->input_pins[AUTO_PIN_CD] = nid;
3001                         break;
3002                 case AC_JACK_AUX:
3003                         cfg->input_pins[AUTO_PIN_AUX] = nid;
3004                         break;
3005                 case AC_JACK_SPDIF_OUT:
3006                         cfg->dig_out_pin = nid;
3007                         break;
3008                 case AC_JACK_SPDIF_IN:
3009                         cfg->dig_in_pin = nid;
3010                         break;
3011                 }
3012         }
3013
3014         /* FIX-UP:
3015          * If no line-out is defined but multiple HPs are found,
3016          * some of them might be the real line-outs.
3017          */
3018         if (!cfg->line_outs && cfg->hp_outs > 1) {
3019                 int i = 0;
3020                 while (i < cfg->hp_outs) {
3021                         /* The real HPs should have the sequence 0x0f */
3022                         if ((sequences_hp[i] & 0x0f) == 0x0f) {
3023                                 i++;
3024                                 continue;
3025                         }
3026                         /* Move it to the line-out table */
3027                         cfg->line_out_pins[cfg->line_outs] = cfg->hp_pins[i];
3028                         sequences_line_out[cfg->line_outs] = sequences_hp[i];
3029                         cfg->line_outs++;
3030                         cfg->hp_outs--;
3031                         memmove(cfg->hp_pins + i, cfg->hp_pins + i + 1,
3032                                 sizeof(cfg->hp_pins[0]) * (cfg->hp_outs - i));
3033                         memmove(sequences_hp + i - 1, sequences_hp + i,
3034                                 sizeof(sequences_hp[0]) * (cfg->hp_outs - i));
3035                 }
3036         }
3037
3038         /* sort by sequence */
3039         sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out,
3040                               cfg->line_outs);
3041         sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker,
3042                               cfg->speaker_outs);
3043         sort_pins_by_sequence(cfg->hp_pins, sequences_hp,
3044                               cfg->hp_outs);
3045
3046         /* if we have only one mic, make it AUTO_PIN_MIC */
3047         if (!cfg->input_pins[AUTO_PIN_MIC] &&
3048             cfg->input_pins[AUTO_PIN_FRONT_MIC]) {
3049                 cfg->input_pins[AUTO_PIN_MIC] =
3050                         cfg->input_pins[AUTO_PIN_FRONT_MIC];
3051                 cfg->input_pins[AUTO_PIN_FRONT_MIC] = 0;
3052         }
3053         /* ditto for line-in */
3054         if (!cfg->input_pins[AUTO_PIN_LINE] &&
3055             cfg->input_pins[AUTO_PIN_FRONT_LINE]) {
3056                 cfg->input_pins[AUTO_PIN_LINE] =
3057                         cfg->input_pins[AUTO_PIN_FRONT_LINE];
3058                 cfg->input_pins[AUTO_PIN_FRONT_LINE] = 0;
3059         }
3060
3061         /*
3062          * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
3063          * as a primary output
3064          */
3065         if (!cfg->line_outs) {
3066                 if (cfg->speaker_outs) {
3067                         cfg->line_outs = cfg->speaker_outs;
3068                         memcpy(cfg->line_out_pins, cfg->speaker_pins,
3069                                sizeof(cfg->speaker_pins));
3070                         cfg->speaker_outs = 0;
3071                         memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
3072                         cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
3073                 } else if (cfg->hp_outs) {
3074                         cfg->line_outs = cfg->hp_outs;
3075                         memcpy(cfg->line_out_pins, cfg->hp_pins,
3076                                sizeof(cfg->hp_pins));
3077                         cfg->hp_outs = 0;
3078                         memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
3079                         cfg->line_out_type = AUTO_PIN_HP_OUT;
3080                 }
3081         }
3082
3083         /* Reorder the surround channels
3084          * ALSA sequence is front/surr/clfe/side
3085          * HDA sequence is:
3086          *    4-ch: front/surr  =>  OK as it is
3087          *    6-ch: front/clfe/surr
3088          *    8-ch: front/clfe/rear/side|fc
3089          */
3090         switch (cfg->line_outs) {
3091         case 3:
3092         case 4:
3093                 nid = cfg->line_out_pins[1];
3094                 cfg->line_out_pins[1] = cfg->line_out_pins[2];
3095                 cfg->line_out_pins[2] = nid;
3096                 break;
3097         }
3098
3099         /*
3100          * debug prints of the parsed results
3101          */
3102         snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3103                    cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
3104                    cfg->line_out_pins[2], cfg->line_out_pins[3],
3105                    cfg->line_out_pins[4]);
3106         snd_printd("   speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3107                    cfg->speaker_outs, cfg->speaker_pins[0],
3108                    cfg->speaker_pins[1], cfg->speaker_pins[2],
3109                    cfg->speaker_pins[3], cfg->speaker_pins[4]);
3110         snd_printd("   hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3111                    cfg->hp_outs, cfg->hp_pins[0],
3112                    cfg->hp_pins[1], cfg->hp_pins[2],
3113                    cfg->hp_pins[3], cfg->hp_pins[4]);
3114         snd_printd("   mono: mono_out=0x%x\n", cfg->mono_out_pin);
3115         snd_printd("   inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
3116                    " cd=0x%x, aux=0x%x\n",
3117                    cfg->input_pins[AUTO_PIN_MIC],
3118                    cfg->input_pins[AUTO_PIN_FRONT_MIC],
3119                    cfg->input_pins[AUTO_PIN_LINE],
3120                    cfg->input_pins[AUTO_PIN_FRONT_LINE],
3121                    cfg->input_pins[AUTO_PIN_CD],
3122                    cfg->input_pins[AUTO_PIN_AUX]);
3123
3124         return 0;
3125 }
3126
3127 /* labels for input pins */
3128 const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
3129         "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
3130 };
3131
3132
3133 #ifdef CONFIG_PM
3134 /*
3135  * power management
3136  */
3137
3138 /**
3139  * snd_hda_suspend - suspend the codecs
3140  * @bus: the HDA bus
3141  * @state: suspsend state
3142  *
3143  * Returns 0 if successful.
3144  */
3145 int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
3146 {
3147         struct hda_codec *codec;
3148
3149         list_for_each_entry(codec, &bus->codec_list, list) {
3150 #ifdef CONFIG_SND_HDA_POWER_SAVE
3151                 if (!codec->power_on)
3152                         continue;
3153 #endif
3154                 hda_call_codec_suspend(codec);
3155         }
3156         return 0;
3157 }
3158
3159 /**
3160  * snd_hda_resume - resume the codecs
3161  * @bus: the HDA bus
3162  * @state: resume state
3163  *
3164  * Returns 0 if successful.
3165  *
3166  * This fucntion is defined only when POWER_SAVE isn't set.
3167  * In the power-save mode, the codec is resumed dynamically.
3168  */
3169 int snd_hda_resume(struct hda_bus *bus)
3170 {
3171         struct hda_codec *codec;
3172
3173         list_for_each_entry(codec, &bus->codec_list, list) {
3174                 if (snd_hda_codec_needs_resume(codec))
3175                         hda_call_codec_resume(codec);
3176         }
3177         return 0;
3178 }
3179 #ifdef CONFIG_SND_HDA_POWER_SAVE
3180 int snd_hda_codecs_inuse(struct hda_bus *bus)
3181 {
3182         struct hda_codec *codec;
3183
3184         list_for_each_entry(codec, &bus->codec_list, list) {
3185                 if (snd_hda_codec_needs_resume(codec))
3186                         return 1;
3187         }
3188         return 0;
3189 }
3190 #endif
3191 #endif
3192
3193 /*
3194  * generic arrays
3195  */
3196
3197 /* get a new element from the given array
3198  * if it exceeds the pre-allocated array size, re-allocate the array
3199  */
3200 void *snd_array_new(struct snd_array *array)
3201 {
3202         if (array->used >= array->alloced) {
3203                 int num = array->alloced + array->alloc_align;
3204                 void *nlist = kcalloc(num + 1, array->elem_size, GFP_KERNEL);
3205                 if (!nlist)
3206                         return NULL;
3207                 if (array->list) {
3208                         memcpy(nlist, array->list,
3209                                array->elem_size * array->alloced);
3210                         kfree(array->list);
3211                 }
3212                 array->list = nlist;
3213                 array->alloced = num;
3214         }
3215         return array->list + (array->used++ * array->elem_size);
3216 }
3217
3218 /* free the given array elements */
3219 void snd_array_free(struct snd_array *array)
3220 {
3221         kfree(array->list);
3222         array->used = 0;
3223         array->alloced = 0;
3224         array->list = NULL;
3225 }