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