sound/pci/hda/hda_codec.c

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