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   1 /*
   2  * Universal Interface for Intel High Definition Audio Codec
   3  *
   4  * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
   5  *
   6  *
   7  *  This driver is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This driver is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  20  */
  21
  22 #include <sound/driver.h>
  23 #include <linux/init.h>
  24 #include <linux/delay.h>
  25 #include <linux/slab.h>
  26 #include <linux/pci.h>
  27 #include <linux/moduleparam.h>
  28 #include <sound/core.h>
  29 #include "hda_codec.h"
  30 #include <sound/asoundef.h>
  31 #include <sound/initval.h>
  32 #include "hda_local.h"
  33
  34
  35 MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
  36 MODULE_DESCRIPTION("Universal interface for High Definition Audio Codec");
  37 MODULE_LICENSE("GPL");
  38
  39
  40 /*
  41  * vendor / preset table
  42  */
  43
  44 struct hda_vendor_id {
  45         unsigned int id;
  46         const char *name;
  47 };
  48
  49 /* codec vendor labels */
  50 static struct hda_vendor_id hda_vendor_ids[] = {
  51         { 0x10ec, "Realtek" },
  52         { 0x11d4, "Analog Devices" },
  53         { 0x13f6, "C-Media" },
  54         { 0x434d, "C-Media" },
  55         { 0x8384, "SigmaTel" },
  56         {} /* terminator */
  57 };
  58
  59 /* codec presets */
  60 #include "hda_patch.h"
  61
  62
  63 /**
  64  * snd_hda_codec_read - send a command and get the response
  65  * @codec: the HDA codec
  66  * @nid: NID to send the command
  67  * @direct: direct flag
  68  * @verb: the verb to send
  69  * @parm: the parameter for the verb
  70  *
  71  * Send a single command and read the corresponding response.
  72  *
  73  * Returns the obtained response value, or -1 for an error.
  74  */
  75 unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, int direct,
  76                                 unsigned int verb, unsigned int parm)
  77 {
  78         unsigned int res;
  79         down(&codec->bus->cmd_mutex);
  80         if (! codec->bus->ops.command(codec, nid, direct, verb, parm))
  81                 res = codec->bus->ops.get_response(codec);
  82         else
  83                 res = (unsigned int)-1;
  84         up(&codec->bus->cmd_mutex);
  85         return res;
  86 }
  87
  88 /**
  89  * snd_hda_codec_write - send a single command without waiting for response
  90  * @codec: the HDA codec
  91  * @nid: NID to send the command
  92  * @direct: direct flag
  93  * @verb: the verb to send
  94  * @parm: the parameter for the verb
  95  *
  96  * Send a single command without waiting for response.
  97  *
  98  * Returns 0 if successful, or a negative error code.
  99  */
 100 int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
 101                          unsigned int verb, unsigned int parm)
 102 {
 103         int err;
 104         down(&codec->bus->cmd_mutex);
 105         err = codec->bus->ops.command(codec, nid, direct, verb, parm);
 106         up(&codec->bus->cmd_mutex);
 107         return err;
 108 }
 109
 110 /**
 111  * snd_hda_sequence_write - sequence writes
 112  * @codec: the HDA codec
 113  * @seq: VERB array to send
 114  *
 115  * Send the commands sequentially from the given array.
 116  * The array must be terminated with NID=0.
 117  */
 118 void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
 119 {
 120         for (; seq->nid; seq++)
 121                 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
 122 }
 123
 124 /**
 125  * snd_hda_get_sub_nodes - get the range of sub nodes
 126  * @codec: the HDA codec
 127  * @nid: NID to parse
 128  * @start_id: the pointer to store the start NID
 129  *
 130  * Parse the NID and store the start NID of its sub-nodes.
 131  * Returns the number of sub-nodes.
 132  */
 133 int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid, hda_nid_t *start_id)
 134 {
 135         unsigned int parm;
 136
 137         parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
 138         *start_id = (parm >> 16) & 0x7fff;
 139         return (int)(parm & 0x7fff);
 140 }
 141
 142 /**
 143  * snd_hda_get_connections - get connection list
 144  * @codec: the HDA codec
 145  * @nid: NID to parse
 146  * @conn_list: connection list array
 147  * @max_conns: max. number of connections to store
 148  *
 149  * Parses the connection list of the given widget and stores the list
 150  * of NIDs.
 151  *
 152  * Returns the number of connections, or a negative error code.
 153  */
 154 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
 155                             hda_nid_t *conn_list, int max_conns)
 156 {
 157         unsigned int parm;
 158         int i, j, conn_len, num_tupples, conns;
 159         unsigned int shift, num_elems, mask;
 160
 161         snd_assert(conn_list && max_conns > 0, return -EINVAL);
 162
 163         parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN);
 164         if (parm & AC_CLIST_LONG) {
 165                 /* long form */
 166                 shift = 16;
 167                 num_elems = 2;
 168         } else {
 169                 /* short form */
 170                 shift = 8;
 171                 num_elems = 4;
 172         }
 173         conn_len = parm & AC_CLIST_LENGTH;
 174         num_tupples = num_elems / 2;
 175         mask = (1 << (shift-1)) - 1;
 176
 177         if (! conn_len)
 178                 return 0; /* no connection */
 179
 180         if (conn_len == 1) {
 181                 /* single connection */
 182                 parm = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONNECT_LIST, 0);
 183                 conn_list[0] = parm & mask;
 184                 return 1;
 185         }
 186
 187         /* multi connection */
 188         conns = 0;
 189         for (i = 0; i < conn_len; i += num_elems) {
 190                 parm = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONNECT_LIST, i);
 191                 for (j = 0; j < num_tupples; j++) {
 192                         int range_val;
 193                         hda_nid_t val1, val2, n;
 194                         range_val = parm & (1 << (shift-1)); /* ranges */
 195                         val1 = parm & mask;
 196                         parm >>= shift;
 197                         val2 = parm & mask;
 198                         parm >>= shift;
 199                         if (range_val) {
 200                                 /* ranges between val1 and val2 */
 201                                 if (val1 > val2) {
 202                                         snd_printk(KERN_WARNING "hda_codec: invalid dep_range_val %x:%x\n", val1, val2);
 203                                         continue;
 204                                 }
 205                                 for (n = val1; n <= val2; n++) {
 206                                         if (conns >= max_conns)
 207                                                 return -EINVAL;
 208                                         conn_list[conns++] = n;
 209                                 }
 210                         } else {
 211                                 if (! val1)
 212                                         break;
 213                                 if (conns >= max_conns)
 214                                         return -EINVAL;
 215                                 conn_list[conns++] = val1;
 216                                 if (! val2)
 217                                         break;
 218                                 if (conns >= max_conns)
 219                                         return -EINVAL;
 220                                 conn_list[conns++] = val2;
 221                         }
 222                 }
 223         }
 224         return conns;
 225 }
 226
 227
 228 /**
 229  * snd_hda_queue_unsol_event - add an unsolicited event to queue
 230  * @bus: the BUS
 231  * @res: unsolicited event (lower 32bit of RIRB entry)
 232  * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
 233  *
 234  * Adds the given event to the queue.  The events are processed in
 235  * the workqueue asynchronously.  Call this function in the interrupt
 236  * hanlder when RIRB receives an unsolicited event.
 237  *
 238  * Returns 0 if successful, or a negative error code.
 239  */
 240 int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
 241 {
 242         struct hda_bus_unsolicited *unsol;
 243         unsigned int wp;
 244
 245         if ((unsol = bus->unsol) == NULL)
 246                 return 0;
 247
 248         wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
 249         unsol->wp = wp;
 250
 251         wp <<= 1;
 252         unsol->queue[wp] = res;
 253         unsol->queue[wp + 1] = res_ex;
 254
 255         queue_work(unsol->workq, &unsol->work);
 256
 257         return 0;
 258 }
 259
 260 /*
 261  * process queueud unsolicited events
 262  */
 263 static void process_unsol_events(void *data)
 264 {
 265         struct hda_bus *bus = data;
 266         struct hda_bus_unsolicited *unsol = bus->unsol;
 267         struct hda_codec *codec;
 268         unsigned int rp, caddr, res;
 269
 270         while (unsol->rp != unsol->wp) {
 271                 rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE;
 272                 unsol->rp = rp;
 273                 rp <<= 1;
 274                 res = unsol->queue[rp];
 275                 caddr = unsol->queue[rp + 1];
 276                 if (! (caddr & (1 << 4))) /* no unsolicited event? */
 277                         continue;
 278                 codec = bus->caddr_tbl[caddr & 0x0f];
 279                 if (codec && codec->patch_ops.unsol_event)
 280                         codec->patch_ops.unsol_event(codec, res);
 281         }
 282 }
 283
 284 /*
 285  * initialize unsolicited queue
 286  */
 287 static int init_unsol_queue(struct hda_bus *bus)
 288 {
 289         struct hda_bus_unsolicited *unsol;
 290
 291         unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
 292         if (! unsol) {
 293                 snd_printk(KERN_ERR "hda_codec: can't allocate unsolicited queue\n");
 294                 return -ENOMEM;
 295         }
 296         unsol->workq = create_workqueue("hda_codec");
 297         if (! unsol->workq) {
 298                 snd_printk(KERN_ERR "hda_codec: can't create workqueue\n");
 299                 kfree(unsol);
 300                 return -ENOMEM;
 301         }
 302         INIT_WORK(&unsol->work, process_unsol_events, bus);
 303         bus->unsol = unsol;
 304         return 0;
 305 }
 306
 307 /*
 308  * destructor
 309  */
 310 static void snd_hda_codec_free(struct hda_codec *codec);
 311
 312 static int snd_hda_bus_free(struct hda_bus *bus)
 313 {
 314         struct list_head *p, *n;
 315
 316         if (! bus)
 317                 return 0;
 318         if (bus->unsol) {
 319                 destroy_workqueue(bus->unsol->workq);
 320                 kfree(bus->unsol);
 321         }
 322         list_for_each_safe(p, n, &bus->codec_list) {
 323                 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
 324                 snd_hda_codec_free(codec);
 325         }
 326         if (bus->ops.private_free)
 327                 bus->ops.private_free(bus);
 328         kfree(bus);
 329         return 0;
 330 }
 331
 332 static int snd_hda_bus_dev_free(snd_device_t *device)
 333 {
 334         struct hda_bus *bus = device->device_data;
 335         return snd_hda_bus_free(bus);
 336 }
 337
 338 /**
 339  * snd_hda_bus_new - create a HDA bus
 340  * @card: the card entry
 341  * @temp: the template for hda_bus information
 342  * @busp: the pointer to store the created bus instance
 343  *
 344  * Returns 0 if successful, or a negative error code.
 345  */
 346 int snd_hda_bus_new(snd_card_t *card, const struct hda_bus_template *temp,
 347                     struct hda_bus **busp)
 348 {
 349         struct hda_bus *bus;
 350         int err;
 351         static snd_device_ops_t dev_ops = {
 352                 .dev_free = snd_hda_bus_dev_free,
 353         };
 354
 355         snd_assert(temp, return -EINVAL);
 356         snd_assert(temp->ops.command && temp->ops.get_response, return -EINVAL);
 357
 358         if (busp)
 359                 *busp = NULL;
 360
 361         bus = kzalloc(sizeof(*bus), GFP_KERNEL);
 362         if (bus == NULL) {
 363                 snd_printk(KERN_ERR "can't allocate struct hda_bus\n");
 364                 return -ENOMEM;
 365         }
 366
 367         bus->card = card;
 368         bus->private_data = temp->private_data;
 369         bus->pci = temp->pci;
 370         bus->modelname = temp->modelname;
 371         bus->ops = temp->ops;
 372
 373         init_MUTEX(&bus->cmd_mutex);
 374         INIT_LIST_HEAD(&bus->codec_list);
 375
 376         init_unsol_queue(bus);
 377
 378         if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
 379                 snd_hda_bus_free(bus);
 380                 return err;
 381         }
 382         if (busp)
 383                 *busp = bus;
 384         return 0;
 385 }
 386
 387
 388 /*
 389  * find a matching codec preset
 390  */
 391 static const struct hda_codec_preset *find_codec_preset(struct hda_codec *codec)
 392 {
 393         const struct hda_codec_preset **tbl, *preset;
 394
 395         for (tbl = hda_preset_tables; *tbl; tbl++) {
 396                 for (preset = *tbl; preset->id; preset++) {
 397                         u32 mask = preset->mask;
 398                         if (! mask)
 399                                 mask = ~0;
 400                         if (preset->id == (codec->vendor_id & mask))
 401                                 return preset;
 402                 }
 403         }
 404         return NULL;
 405 }
 406
 407 /*
 408  * snd_hda_get_codec_name - store the codec name
 409  */
 410 void snd_hda_get_codec_name(struct hda_codec *codec,
 411                             char *name, int namelen)
 412 {
 413         const struct hda_vendor_id *c;
 414         const char *vendor = NULL;
 415         u16 vendor_id = codec->vendor_id >> 16;
 416         char tmp[16];
 417
 418         for (c = hda_vendor_ids; c->id; c++) {
 419                 if (c->id == vendor_id) {
 420                         vendor = c->name;
 421                         break;
 422                 }
 423         }
 424         if (! vendor) {
 425                 sprintf(tmp, "Generic %04x", vendor_id);
 426                 vendor = tmp;
 427         }
 428         if (codec->preset && codec->preset->name)
 429                 snprintf(name, namelen, "%s %s", vendor, codec->preset->name);
 430         else
 431                 snprintf(name, namelen, "%s ID %x", vendor, codec->vendor_id & 0xffff);
 432 }
 433
 434 /*
 435  * look for an AFG and MFG nodes
 436  */
 437 static void setup_fg_nodes(struct hda_codec *codec)
 438 {
 439         int i, total_nodes;
 440         hda_nid_t nid;
 441
 442         total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
 443         for (i = 0; i < total_nodes; i++, nid++) {
 444                 switch((snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE) & 0xff)) {
 445                 case AC_GRP_AUDIO_FUNCTION:
 446                         codec->afg = nid;
 447                         break;
 448                 case AC_GRP_MODEM_FUNCTION:
 449                         codec->mfg = nid;
 450                         break;
 451                 default:
 452                         break;
 453                 }
 454         }
 455 }
 456
 457 /*
 458  * codec destructor
 459  */
 460 static void snd_hda_codec_free(struct hda_codec *codec)
 461 {
 462         if (! codec)
 463                 return;
 464         list_del(&codec->list);
 465         codec->bus->caddr_tbl[codec->addr] = NULL;
 466         if (codec->patch_ops.free)
 467                 codec->patch_ops.free(codec);
 468         kfree(codec->amp_info);
 469         kfree(codec);
 470 }
 471
 472 static void init_amp_hash(struct hda_codec *codec);
 473
 474 /**
 475  * snd_hda_codec_new - create a HDA codec
 476  * @bus: the bus to assign
 477  * @codec_addr: the codec address
 478  * @codecp: the pointer to store the generated codec
 479  *
 480  * Returns 0 if successful, or a negative error code.
 481  */
 482 int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
 483                       struct hda_codec **codecp)
 484 {
 485         struct hda_codec *codec;
 486         char component[13];
 487         int err;
 488
 489         snd_assert(bus, return -EINVAL);
 490         snd_assert(codec_addr <= HDA_MAX_CODEC_ADDRESS, return -EINVAL);
 491
 492         if (bus->caddr_tbl[codec_addr]) {
 493                 snd_printk(KERN_ERR "hda_codec: address 0x%x is already occupied\n", codec_addr);
 494                 return -EBUSY;
 495         }
 496
 497         codec = kzalloc(sizeof(*codec), GFP_KERNEL);
 498         if (codec == NULL) {
 499                 snd_printk(KERN_ERR "can't allocate struct hda_codec\n");
 500                 return -ENOMEM;
 501         }
 502
 503         codec->bus = bus;
 504         codec->addr = codec_addr;
 505         init_MUTEX(&codec->spdif_mutex);
 506         init_amp_hash(codec);
 507
 508         list_add_tail(&codec->list, &bus->codec_list);
 509         bus->caddr_tbl[codec_addr] = codec;
 510
 511         codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_VENDOR_ID);
 512         codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_SUBSYSTEM_ID);
 513         codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_REV_ID);
 514
 515         setup_fg_nodes(codec);
 516         if (! codec->afg && ! codec->mfg) {
 517                 snd_printdd("hda_codec: no AFG or MFG node found\n");
 518                 snd_hda_codec_free(codec);
 519                 return -ENODEV;
 520         }
 521
 522         if (! codec->subsystem_id) {
 523                 hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
 524                 codec->subsystem_id = snd_hda_codec_read(codec, nid, 0,
 525                                                          AC_VERB_GET_SUBSYSTEM_ID,
 526                                                          0);
 527         }
 528
 529         codec->preset = find_codec_preset(codec);
 530         if (! *bus->card->mixername)
 531                 snd_hda_get_codec_name(codec, bus->card->mixername,
 532                                        sizeof(bus->card->mixername));
 533
 534         if (codec->preset && codec->preset->patch)
 535                 err = codec->preset->patch(codec);
 536         else
 537                 err = snd_hda_parse_generic_codec(codec);
 538         if (err < 0) {
 539                 snd_hda_codec_free(codec);
 540                 return err;
 541         }
 542
 543         snd_hda_codec_proc_new(codec);
 544
 545         sprintf(component, "HDA:%08x", codec->vendor_id);
 546         snd_component_add(codec->bus->card, component);
 547
 548         if (codecp)
 549                 *codecp = codec;
 550         return 0;
 551 }
 552
 553 /**
 554  * snd_hda_codec_setup_stream - set up the codec for streaming
 555  * @codec: the CODEC to set up
 556  * @nid: the NID to set up
 557  * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
 558  * @channel_id: channel id to pass, zero based.
 559  * @format: stream format.
 560  */
 561 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, u32 stream_tag,
 562                                 int channel_id, int format)
 563 {
 564         if (! nid)
 565                 return;
 566
 567         snd_printdd("hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
 568                     nid, stream_tag, channel_id, format);
 569         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID,
 570                             (stream_tag << 4) | channel_id);
 571         msleep(1);
 572         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
 573 }
 574
 575
 576 /*
 577  * amp access functions
 578  */
 579
 580 /* FIXME: more better hash key? */
 581 #define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
 582 #define INFO_AMP_CAPS   (1<<0)
 583 #define INFO_AMP_VOL(ch)        (1 << (1 + (ch)))
 584
 585 /* initialize the hash table */
 586 static void init_amp_hash(struct hda_codec *codec)
 587 {
 588         memset(codec->amp_hash, 0xff, sizeof(codec->amp_hash));
 589         codec->num_amp_entries = 0;
 590         codec->amp_info_size = 0;
 591         codec->amp_info = NULL;
 592 }
 593
 594 /* query the hash.  allocate an entry if not found. */
 595 static struct hda_amp_info *get_alloc_amp_hash(struct hda_codec *codec, u32 key)
 596 {
 597         u16 idx = key % (u16)ARRAY_SIZE(codec->amp_hash);
 598         u16 cur = codec->amp_hash[idx];
 599         struct hda_amp_info *info;
 600
 601         while (cur != 0xffff) {
 602                 info = &codec->amp_info[cur];
 603                 if (info->key == key)
 604                         return info;
 605                 cur = info->next;
 606         }
 607
 608         /* add a new hash entry */
 609         if (codec->num_amp_entries >= codec->amp_info_size) {
 610                 /* reallocate the array */
 611                 int new_size = codec->amp_info_size + 64;
 612                 struct hda_amp_info *new_info = kcalloc(new_size, sizeof(struct hda_amp_info),
 613                                                         GFP_KERNEL);
 614                 if (! new_info) {
 615                         snd_printk(KERN_ERR "hda_codec: can't malloc amp_info\n");
 616                         return NULL;
 617                 }
 618                 if (codec->amp_info) {
 619                         memcpy(new_info, codec->amp_info,
 620                                codec->amp_info_size * sizeof(struct hda_amp_info));
 621                         kfree(codec->amp_info);
 622                 }
 623                 codec->amp_info_size = new_size;
 624                 codec->amp_info = new_info;
 625         }
 626         cur = codec->num_amp_entries++;
 627         info = &codec->amp_info[cur];
 628         info->key = key;
 629         info->status = 0; /* not initialized yet */
 630         info->next = codec->amp_hash[idx];
 631         codec->amp_hash[idx] = cur;
 632
 633         return info;
 634 }
 635
 636 /*
 637  * query AMP capabilities for the given widget and direction
 638  */
 639 static u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
 640 {
 641         struct hda_amp_info *info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0));
 642
 643         if (! info)
 644                 return 0;
 645         if (! (info->status & INFO_AMP_CAPS)) {
 646                 if (!(snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP) & AC_WCAP_AMP_OVRD))
 647                         nid = codec->afg;
 648                 info->amp_caps = snd_hda_param_read(codec, nid, direction == HDA_OUTPUT ?
 649                                                     AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
 650                 info->status |= INFO_AMP_CAPS;
 651         }
 652         return info->amp_caps;
 653 }
 654
 655 /*
 656  * read the current volume to info
 657  * if the cache exists, read the cache value.
 658  */
 659 static unsigned int get_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
 660                          hda_nid_t nid, int ch, int direction, int index)
 661 {
 662         u32 val, parm;
 663
 664         if (info->status & INFO_AMP_VOL(ch))
 665                 return info->vol[ch];
 666
 667         parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
 668         parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
 669         parm |= index;
 670         val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE, parm);
 671         info->vol[ch] = val & 0xff;
 672         info->status |= INFO_AMP_VOL(ch);
 673         return info->vol[ch];
 674 }
 675
 676 /*
 677  * write the current volume in info to the h/w and update the cache
 678  */
 679 static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
 680                          hda_nid_t nid, int ch, int direction, int index, int val)
 681 {
 682         u32 parm;
 683
 684         parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
 685         parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
 686         parm |= index << AC_AMP_SET_INDEX_SHIFT;
 687         parm |= val;
 688         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
 689         info->vol[ch] = val;
 690 }
 691
 692 /*
 693  * read AMP value.  The volume is between 0 to 0x7f, 0x80 = mute bit.
 694  */
 695 static int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch, int direction, int index)
 696 {
 697         struct hda_amp_info *info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
 698         if (! info)
 699                 return 0;
 700         return get_vol_mute(codec, info, nid, ch, direction, index);
 701 }
 702
 703 /*
 704  * update the AMP value, mask = bit mask to set, val = the value
 705  */
 706 static int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch, int direction, int idx, int mask, int val)
 707 {
 708         struct hda_amp_info *info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx));
 709
 710         if (! info)
 711                 return 0;
 712         val &= mask;
 713         val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask;
 714         if (info->vol[ch] == val && ! codec->in_resume)
 715                 return 0;
 716         put_vol_mute(codec, info, nid, ch, direction, idx, val);
 717         return 1;
 718 }
 719
 720
 721 /*
 722  * AMP control callbacks
 723  */
 724 /* retrieve parameters from private_value */
 725 #define get_amp_nid(kc)         ((kc)->private_value & 0xffff)
 726 #define get_amp_channels(kc)    (((kc)->private_value >> 16) & 0x3)
 727 #define get_amp_direction(kc)   (((kc)->private_value >> 18) & 0x1)
 728 #define get_amp_index(kc)       (((kc)->private_value >> 19) & 0xf)
 729
 730 /* volume */
 731 int snd_hda_mixer_amp_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 732 {
 733         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 734         u16 nid = get_amp_nid(kcontrol);
 735         u8 chs = get_amp_channels(kcontrol);
 736         int dir = get_amp_direction(kcontrol);
 737         u32 caps;
 738
 739         caps = query_amp_caps(codec, nid, dir);
 740         caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; /* num steps */
 741         if (! caps) {
 742                 printk(KERN_WARNING "hda_codec: num_steps = 0 for NID=0x%x\n", nid);
 743                 return -EINVAL;
 744         }
 745         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 746         uinfo->count = chs == 3 ? 2 : 1;
 747         uinfo->value.integer.min = 0;
 748         uinfo->value.integer.max = caps;
 749         return 0;
 750 }
 751
 752 int snd_hda_mixer_amp_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 753 {
 754         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 755         hda_nid_t nid = get_amp_nid(kcontrol);
 756         int chs = get_amp_channels(kcontrol);
 757         int dir = get_amp_direction(kcontrol);
 758         int idx = get_amp_index(kcontrol);
 759         long *valp = ucontrol->value.integer.value;
 760
 761         if (chs & 1)
 762                 *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & 0x7f;
 763         if (chs & 2)
 764                 *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & 0x7f;
 765         return 0;
 766 }
 767
 768 int snd_hda_mixer_amp_volume_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 769 {
 770         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 771         hda_nid_t nid = get_amp_nid(kcontrol);
 772         int chs = get_amp_channels(kcontrol);
 773         int dir = get_amp_direction(kcontrol);
 774         int idx = get_amp_index(kcontrol);
 775         long *valp = ucontrol->value.integer.value;
 776         int change = 0;
 777
 778         if (chs & 1) {
 779                 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
 780                                                   0x7f, *valp);
 781                 valp++;
 782         }
 783         if (chs & 2)
 784                 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
 785                                                    0x7f, *valp);
 786         return change;
 787 }
 788
 789 /* switch */
 790 int snd_hda_mixer_amp_switch_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 791 {
 792         int chs = get_amp_channels(kcontrol);
 793
 794         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 795         uinfo->count = chs == 3 ? 2 : 1;
 796         uinfo->value.integer.min = 0;
 797         uinfo->value.integer.max = 1;
 798         return 0;
 799 }
 800
 801 int snd_hda_mixer_amp_switch_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 802 {
 803         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 804         hda_nid_t nid = get_amp_nid(kcontrol);
 805         int chs = get_amp_channels(kcontrol);
 806         int dir = get_amp_direction(kcontrol);
 807         int idx = get_amp_index(kcontrol);
 808         long *valp = ucontrol->value.integer.value;
 809
 810         if (chs & 1)
 811                 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & 0x80) ? 0 : 1;
 812         if (chs & 2)
 813                 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & 0x80) ? 0 : 1;
 814         return 0;
 815 }
 816
 817 int snd_hda_mixer_amp_switch_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 818 {
 819         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 820         hda_nid_t nid = get_amp_nid(kcontrol);
 821         int chs = get_amp_channels(kcontrol);
 822         int dir = get_amp_direction(kcontrol);
 823         int idx = get_amp_index(kcontrol);
 824         long *valp = ucontrol->value.integer.value;
 825         int change = 0;
 826
 827         if (chs & 1) {
 828                 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
 829                                                   0x80, *valp ? 0 : 0x80);
 830                 valp++;
 831         }
 832         if (chs & 2)
 833                 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
 834                                                    0x80, *valp ? 0 : 0x80);
 835
 836         return change;
 837 }
 838
 839 /*
 840  * bound volume controls
 841  *
 842  * bind multiple volumes (# indices, from 0)
 843  */
 844
 845 #define AMP_VAL_IDX_SHIFT       19
 846 #define AMP_VAL_IDX_MASK        (0x0f<<19)
 847
 848 int snd_hda_mixer_bind_switch_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 849 {
 850         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 851         unsigned long pval;
 852         int err;
 853
 854         down(&codec->spdif_mutex); /* reuse spdif_mutex */
 855         pval = kcontrol->private_value;
 856         kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
 857         err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
 858         kcontrol->private_value = pval;
 859         up(&codec->spdif_mutex);
 860         return err;
 861 }
 862
 863 int snd_hda_mixer_bind_switch_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 864 {
 865         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 866         unsigned long pval;
 867         int i, indices, err = 0, change = 0;
 868
 869         down(&codec->spdif_mutex); /* reuse spdif_mutex */
 870         pval = kcontrol->private_value;
 871         indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
 872         for (i = 0; i < indices; i++) {
 873                 kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) | (i << AMP_VAL_IDX_SHIFT);
 874                 err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
 875                 if (err < 0)
 876                         break;
 877                 change |= err;
 878         }
 879         kcontrol->private_value = pval;
 880         up(&codec->spdif_mutex);
 881         return err < 0 ? err : change;
 882 }
 883
 884 /*
 885  * SPDIF out controls
 886  */
 887
 888 static int snd_hda_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 889 {
 890         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
 891         uinfo->count = 1;
 892         return 0;
 893 }
 894
 895 static int snd_hda_spdif_cmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 896 {
 897         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
 898                                            IEC958_AES0_NONAUDIO |
 899                                            IEC958_AES0_CON_EMPHASIS_5015 |
 900                                            IEC958_AES0_CON_NOT_COPYRIGHT;
 901         ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
 902                                            IEC958_AES1_CON_ORIGINAL;
 903         return 0;
 904 }
 905
 906 static int snd_hda_spdif_pmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 907 {
 908         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
 909                                            IEC958_AES0_NONAUDIO |
 910                                            IEC958_AES0_PRO_EMPHASIS_5015;
 911         return 0;
 912 }
 913
 914 static int snd_hda_spdif_default_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 915 {
 916         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 917
 918         ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff;
 919         ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff;
 920         ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff;
 921         ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff;
 922
 923         return 0;
 924 }
 925
 926 /* convert from SPDIF status bits to HDA SPDIF bits
 927  * bit 0 (DigEn) is always set zero (to be filled later)
 928  */
 929 static unsigned short convert_from_spdif_status(unsigned int sbits)
 930 {
 931         unsigned short val = 0;
 932
 933         if (sbits & IEC958_AES0_PROFESSIONAL)
 934                 val |= 1 << 6;
 935         if (sbits & IEC958_AES0_NONAUDIO)
 936                 val |= 1 << 5;
 937         if (sbits & IEC958_AES0_PROFESSIONAL) {
 938                 if ((sbits & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
 939                         val |= 1 << 3;
 940         } else {
 941                 if ((sbits & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
 942                         val |= 1 << 3;
 943                 if (! (sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
 944                         val |= 1 << 4;
 945                 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
 946                         val |= 1 << 7;
 947                 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
 948         }
 949         return val;
 950 }
 951
 952 /* convert to SPDIF status bits from HDA SPDIF bits
 953  */
 954 static unsigned int convert_to_spdif_status(unsigned short val)
 955 {
 956         unsigned int sbits = 0;
 957
 958         if (val & (1 << 5))
 959                 sbits |= IEC958_AES0_NONAUDIO;
 960         if (val & (1 << 6))
 961                 sbits |= IEC958_AES0_PROFESSIONAL;
 962         if (sbits & IEC958_AES0_PROFESSIONAL) {
 963                 if (sbits & (1 << 3))
 964                         sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
 965         } else {
 966                 if (val & (1 << 3))
 967                         sbits |= IEC958_AES0_CON_EMPHASIS_5015;
 968                 if (! (val & (1 << 4)))
 969                         sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
 970                 if (val & (1 << 7))
 971                         sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
 972                 sbits |= val & (0x7f << 8);
 973         }
 974         return sbits;
 975 }
 976
 977 static int snd_hda_spdif_default_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 978 {
 979         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 980         hda_nid_t nid = kcontrol->private_value;
 981         unsigned short val;
 982         int change;
 983
 984         down(&codec->spdif_mutex);
 985         codec->spdif_status = ucontrol->value.iec958.status[0] |
 986                 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
 987                 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
 988                 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
 989         val = convert_from_spdif_status(codec->spdif_status);
 990         val |= codec->spdif_ctls & 1;
 991         change = codec->spdif_ctls != val;
 992         codec->spdif_ctls = val;
 993
 994         if (change || codec->in_resume) {
 995                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, val & 0xff);
 996                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_2, val >> 8);
 997         }
 998
 999         up(&codec->spdif_mutex);
1000         return change;
1001 }
1002
1003 static int snd_hda_spdif_out_switch_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
1004 {
1005         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1006         uinfo->count = 1;
1007         uinfo->value.integer.min = 0;
1008         uinfo->value.integer.max = 1;
1009         return 0;
1010 }
1011
1012 static int snd_hda_spdif_out_switch_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
1013 {
1014         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1015
1016         ucontrol->value.integer.value[0] = codec->spdif_ctls & 1;
1017         return 0;
1018 }
1019
1020 static int snd_hda_spdif_out_switch_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
1021 {
1022         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1023         hda_nid_t nid = kcontrol->private_value;
1024         unsigned short val;
1025         int change;
1026
1027         down(&codec->spdif_mutex);
1028         val = codec->spdif_ctls & ~1;
1029         if (ucontrol->value.integer.value[0])
1030                 val |= 1;
1031         change = codec->spdif_ctls != val;
1032         if (change || codec->in_resume) {
1033                 codec->spdif_ctls = val;
1034                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, val & 0xff);
1035                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE,
1036                                     AC_AMP_SET_RIGHT | AC_AMP_SET_LEFT |
1037                                     AC_AMP_SET_OUTPUT | ((val & 1) ? 0 : 0x80));
1038         }
1039         up(&codec->spdif_mutex);
1040         return change;
1041 }
1042
1043 static snd_kcontrol_new_t dig_mixes[] = {
1044         {
1045                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1046                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1047                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1048                 .info = snd_hda_spdif_mask_info,
1049                 .get = snd_hda_spdif_cmask_get,
1050         },
1051         {
1052                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1053                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1054                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1055                 .info = snd_hda_spdif_mask_info,
1056                 .get = snd_hda_spdif_pmask_get,
1057         },
1058         {
1059                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1060                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1061                 .info = snd_hda_spdif_mask_info,
1062                 .get = snd_hda_spdif_default_get,
1063                 .put = snd_hda_spdif_default_put,
1064         },
1065         {
1066                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1067                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1068                 .info = snd_hda_spdif_out_switch_info,
1069                 .get = snd_hda_spdif_out_switch_get,
1070                 .put = snd_hda_spdif_out_switch_put,
1071         },
1072         { } /* end */
1073 };
1074
1075 /**
1076  * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1077  * @codec: the HDA codec
1078  * @nid: audio out widget NID
1079  *
1080  * Creates controls related with the SPDIF output.
1081  * Called from each patch supporting the SPDIF out.
1082  *
1083  * Returns 0 if successful, or a negative error code.
1084  */
1085 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid)
1086 {
1087         int err;
1088         snd_kcontrol_t *kctl;
1089         snd_kcontrol_new_t *dig_mix;
1090
1091         for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
1092                 kctl = snd_ctl_new1(dig_mix, codec);
1093                 kctl->private_value = nid;
1094                 if ((err = snd_ctl_add(codec->bus->card, kctl)) < 0)
1095                         return err;
1096         }
1097         codec->spdif_ctls = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0);
1098         codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
1099         return 0;
1100 }
1101
1102 /*
1103  * SPDIF input
1104  */
1105
1106 #define snd_hda_spdif_in_switch_info    snd_hda_spdif_out_switch_info
1107
1108 static int snd_hda_spdif_in_switch_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
1109 {
1110         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1111
1112         ucontrol->value.integer.value[0] = codec->spdif_in_enable;
1113         return 0;
1114 }
1115
1116 static int snd_hda_spdif_in_switch_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
1117 {
1118         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1119         hda_nid_t nid = kcontrol->private_value;
1120         unsigned int val = !!ucontrol->value.integer.value[0];
1121         int change;
1122
1123         down(&codec->spdif_mutex);
1124         change = codec->spdif_in_enable != val;
1125         if (change || codec->in_resume) {
1126                 codec->spdif_in_enable = val;
1127                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, val);
1128         }
1129         up(&codec->spdif_mutex);
1130         return change;
1131 }
1132
1133 static int snd_hda_spdif_in_status_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
1134 {
1135         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1136         hda_nid_t nid = kcontrol->private_value;
1137         unsigned short val;
1138         unsigned int sbits;
1139
1140         val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0);
1141         sbits = convert_to_spdif_status(val);
1142         ucontrol->value.iec958.status[0] = sbits;
1143         ucontrol->value.iec958.status[1] = sbits >> 8;
1144         ucontrol->value.iec958.status[2] = sbits >> 16;
1145         ucontrol->value.iec958.status[3] = sbits >> 24;
1146         return 0;
1147 }
1148
1149 static snd_kcontrol_new_t dig_in_ctls[] = {
1150         {
1151                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1152                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
1153                 .info = snd_hda_spdif_in_switch_info,
1154                 .get = snd_hda_spdif_in_switch_get,
1155                 .put = snd_hda_spdif_in_switch_put,
1156         },
1157         {
1158                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1159                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1160                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1161                 .info = snd_hda_spdif_mask_info,
1162                 .get = snd_hda_spdif_in_status_get,
1163         },
1164         { } /* end */
1165 };
1166
1167 /**
1168  * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1169  * @codec: the HDA codec
1170  * @nid: audio in widget NID
1171  *
1172  * Creates controls related with the SPDIF input.
1173  * Called from each patch supporting the SPDIF in.
1174  *
1175  * Returns 0 if successful, or a negative error code.
1176  */
1177 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
1178 {
1179         int err;
1180         snd_kcontrol_t *kctl;
1181         snd_kcontrol_new_t *dig_mix;
1182
1183         for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
1184                 kctl = snd_ctl_new1(dig_mix, codec);
1185                 kctl->private_value = nid;
1186                 if ((err = snd_ctl_add(codec->bus->card, kctl)) < 0)
1187                         return err;
1188         }
1189         codec->spdif_in_enable = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0) & 1;
1190         return 0;
1191 }
1192
1193
1194 /**
1195  * snd_hda_build_controls - build mixer controls
1196  * @bus: the BUS
1197  *
1198  * Creates mixer controls for each codec included in the bus.
1199  *
1200  * Returns 0 if successful, otherwise a negative error code.
1201  */
1202 int snd_hda_build_controls(struct hda_bus *bus)
1203 {
1204         struct list_head *p;
1205
1206         /* build controls */
1207         list_for_each(p, &bus->codec_list) {
1208                 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
1209                 int err;
1210                 if (! codec->patch_ops.build_controls)
1211                         continue;
1212                 err = codec->patch_ops.build_controls(codec);
1213                 if (err < 0)
1214                         return err;
1215         }
1216
1217         /* initialize */
1218         list_for_each(p, &bus->codec_list) {
1219                 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
1220                 int err;
1221                 if (! codec->patch_ops.init)
1222                         continue;
1223                 err = codec->patch_ops.init(codec);
1224                 if (err < 0)
1225                         return err;
1226         }
1227         return 0;
1228 }
1229
1230
1231 /*
1232  * stream formats
1233  */
1234 struct hda_rate_tbl {
1235         unsigned int hz;
1236         unsigned int alsa_bits;
1237         unsigned int hda_fmt;
1238 };
1239
1240 static struct hda_rate_tbl rate_bits[] = {
1241         /* rate in Hz, ALSA rate bitmask, HDA format value */
1242
1243         /* autodetected value used in snd_hda_query_supported_pcm */
1244         { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
1245         { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
1246         { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
1247         { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
1248         { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
1249         { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
1250         { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
1251         { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
1252         { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
1253         { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
1254         { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
1255
1256         /* not autodetected value */
1257         { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
1258
1259         { 0 } /* terminator */
1260 };
1261
1262 /**
1263  * snd_hda_calc_stream_format - calculate format bitset
1264  * @rate: the sample rate
1265  * @channels: the number of channels
1266  * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
1267  * @maxbps: the max. bps
1268  *
1269  * Calculate the format bitset from the given rate, channels and th PCM format.
1270  *
1271  * Return zero if invalid.
1272  */
1273 unsigned int snd_hda_calc_stream_format(unsigned int rate,
1274                                         unsigned int channels,
1275                                         unsigned int format,
1276                                         unsigned int maxbps)
1277 {
1278         int i;
1279         unsigned int val = 0;
1280
1281         for (i = 0; rate_bits[i].hz; i++)
1282                 if (rate_bits[i].hz == rate) {
1283                         val = rate_bits[i].hda_fmt;
1284                         break;
1285                 }
1286         if (! rate_bits[i].hz) {
1287                 snd_printdd("invalid rate %d\n", rate);
1288                 return 0;
1289         }
1290
1291         if (channels == 0 || channels > 8) {
1292                 snd_printdd("invalid channels %d\n", channels);
1293                 return 0;
1294         }
1295         val |= channels - 1;
1296
1297         switch (snd_pcm_format_width(format)) {
1298         case 8:  val |= 0x00; break;
1299         case 16: val |= 0x10; break;
1300         case 20:
1301         case 24:
1302         case 32:
1303                 if (maxbps >= 32)
1304                         val |= 0x40;
1305                 else if (maxbps >= 24)
1306                         val |= 0x30;
1307                 else
1308                         val |= 0x20;
1309                 break;
1310         default:
1311                 snd_printdd("invalid format width %d\n", snd_pcm_format_width(format));
1312                 return 0;
1313         }
1314
1315         return val;
1316 }
1317
1318 /**
1319  * snd_hda_query_supported_pcm - query the supported PCM rates and formats
1320  * @codec: the HDA codec
1321  * @nid: NID to query
1322  * @ratesp: the pointer to store the detected rate bitflags
1323  * @formatsp: the pointer to store the detected formats
1324  * @bpsp: the pointer to store the detected format widths
1325  *
1326  * Queries the supported PCM rates and formats.  The NULL @ratesp, @formatsp
1327  * or @bsps argument is ignored.
1328  *
1329  * Returns 0 if successful, otherwise a negative error code.
1330  */
1331 int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
1332                                 u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
1333 {
1334         int i;
1335         unsigned int val, streams;
1336
1337         val = 0;
1338         if (nid != codec->afg &&
1339             snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP) & AC_WCAP_FORMAT_OVRD) {
1340                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
1341                 if (val == -1)
1342                         return -EIO;
1343         }
1344         if (! val)
1345                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
1346
1347         if (ratesp) {
1348                 u32 rates = 0;
1349                 for (i = 0; rate_bits[i].hz; i++) {
1350                         if (val & (1 << i))
1351                                 rates |= rate_bits[i].alsa_bits;
1352                 }
1353                 *ratesp = rates;
1354         }
1355
1356         if (formatsp || bpsp) {
1357                 u64 formats = 0;
1358                 unsigned int bps;
1359                 unsigned int wcaps;
1360
1361                 wcaps = snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
1362                 streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
1363                 if (streams == -1)
1364                         return -EIO;
1365                 if (! streams) {
1366                         streams = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
1367                         if (streams == -1)
1368                                 return -EIO;
1369                 }
1370
1371                 bps = 0;
1372                 if (streams & AC_SUPFMT_PCM) {
1373                         if (val & AC_SUPPCM_BITS_8) {
1374                                 formats |= SNDRV_PCM_FMTBIT_U8;
1375                                 bps = 8;
1376                         }
1377                         if (val & AC_SUPPCM_BITS_16) {
1378                                 formats |= SNDRV_PCM_FMTBIT_S16_LE;
1379                                 bps = 16;
1380                         }
1381                         if (wcaps & AC_WCAP_DIGITAL) {
1382                                 if (val & AC_SUPPCM_BITS_32)
1383                                         formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
1384                                 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
1385                                         formats |= SNDRV_PCM_FMTBIT_S32_LE;
1386                                 if (val & AC_SUPPCM_BITS_24)
1387                                         bps = 24;
1388                                 else if (val & AC_SUPPCM_BITS_20)
1389                                         bps = 20;
1390                         } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|AC_SUPPCM_BITS_32)) {
1391                                 formats |= SNDRV_PCM_FMTBIT_S32_LE;
1392                                 if (val & AC_SUPPCM_BITS_32)
1393                                         bps = 32;
1394                                 else if (val & AC_SUPPCM_BITS_20)
1395                                         bps = 20;
1396                                 else if (val & AC_SUPPCM_BITS_24)
1397                                         bps = 24;
1398                         }
1399                 }
1400                 else if (streams == AC_SUPFMT_FLOAT32) { /* should be exclusive */
1401                         formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
1402                         bps = 32;
1403                 } else if (streams == AC_SUPFMT_AC3) { /* should be exclusive */
1404                         /* temporary hack: we have still no proper support
1405                          * for the direct AC3 stream...
1406                          */
1407                         formats |= SNDRV_PCM_FMTBIT_U8;
1408                         bps = 8;
1409                 }
1410                 if (formatsp)
1411                         *formatsp = formats;
1412                 if (bpsp)
1413                         *bpsp = bps;
1414         }
1415
1416         return 0;
1417 }
1418
1419 /**
1420  * snd_hda_is_supported_format - check whether the given node supports the format val
1421  *
1422  * Returns 1 if supported, 0 if not.
1423  */
1424 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
1425                                 unsigned int format)
1426 {
1427         int i;
1428         unsigned int val = 0, rate, stream;
1429
1430         if (nid != codec->afg &&
1431             snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP) & AC_WCAP_FORMAT_OVRD) {
1432                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
1433                 if (val == -1)
1434                         return 0;
1435         }
1436         if (! val) {
1437                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
1438                 if (val == -1)
1439                         return 0;
1440         }
1441
1442         rate = format & 0xff00;
1443         for (i = 0; rate_bits[i].hz; i++)
1444                 if (rate_bits[i].hda_fmt == rate) {
1445                         if (val & (1 << i))
1446                                 break;
1447                         return 0;
1448                 }
1449         if (! rate_bits[i].hz)
1450                 return 0;
1451
1452         stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
1453         if (stream == -1)
1454                 return 0;
1455         if (! stream && nid != codec->afg)
1456                 stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
1457         if (! stream || stream == -1)
1458                 return 0;
1459
1460         if (stream & AC_SUPFMT_PCM) {
1461                 switch (format & 0xf0) {
1462                 case 0x00:
1463                         if (! (val & AC_SUPPCM_BITS_8))
1464                                 return 0;
1465                         break;
1466                 case 0x10:
1467                         if (! (val & AC_SUPPCM_BITS_16))
1468                                 return 0;
1469                         break;
1470                 case 0x20:
1471                         if (! (val & AC_SUPPCM_BITS_20))
1472                                 return 0;
1473                         break;
1474                 case 0x30:
1475                         if (! (val & AC_SUPPCM_BITS_24))
1476                                 return 0;
1477                         break;
1478                 case 0x40:
1479                         if (! (val & AC_SUPPCM_BITS_32))
1480                                 return 0;
1481                         break;
1482                 default:
1483                         return 0;
1484                 }
1485         } else {
1486                 /* FIXME: check for float32 and AC3? */
1487         }
1488
1489         return 1;
1490 }
1491
1492 /*
1493  * PCM stuff
1494  */
1495 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
1496                                       struct hda_codec *codec,
1497                                       snd_pcm_substream_t *substream)
1498 {
1499         return 0;
1500 }
1501
1502 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
1503                                    struct hda_codec *codec,
1504                                    unsigned int stream_tag,
1505                                    unsigned int format,
1506                                    snd_pcm_substream_t *substream)
1507 {
1508         snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
1509         return 0;
1510 }
1511
1512 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
1513                                    struct hda_codec *codec,
1514                                    snd_pcm_substream_t *substream)
1515 {
1516         snd_hda_codec_setup_stream(codec, hinfo->nid, 0, 0, 0);
1517         return 0;
1518 }
1519
1520 static int set_pcm_default_values(struct hda_codec *codec, struct hda_pcm_stream *info)
1521 {
1522         if (info->nid) {
1523                 /* query support PCM information from the given NID */
1524                 if (! info->rates || ! info->formats)
1525                         snd_hda_query_supported_pcm(codec, info->nid,
1526                                                     info->rates ? NULL : &info->rates,
1527                                                     info->formats ? NULL : &info->formats,
1528                                                     info->maxbps ? NULL : &info->maxbps);
1529         }
1530         if (info->ops.open == NULL)
1531                 info->ops.open = hda_pcm_default_open_close;
1532         if (info->ops.close == NULL)
1533                 info->ops.close = hda_pcm_default_open_close;
1534         if (info->ops.prepare == NULL) {
1535                 snd_assert(info->nid, return -EINVAL);
1536                 info->ops.prepare = hda_pcm_default_prepare;
1537         }
1538         if (info->ops.cleanup == NULL) {
1539                 snd_assert(info->nid, return -EINVAL);
1540                 info->ops.cleanup = hda_pcm_default_cleanup;
1541         }
1542         return 0;
1543 }
1544
1545 /**
1546  * snd_hda_build_pcms - build PCM information
1547  * @bus: the BUS
1548  *
1549  * Create PCM information for each codec included in the bus.
1550  *
1551  * The build_pcms codec patch is requested to set up codec->num_pcms and
1552  * codec->pcm_info properly.  The array is referred by the top-level driver
1553  * to create its PCM instances.
1554  * The allocated codec->pcm_info should be released in codec->patch_ops.free
1555  * callback.
1556  *
1557  * At least, substreams, channels_min and channels_max must be filled for
1558  * each stream.  substreams = 0 indicates that the stream doesn't exist.
1559  * When rates and/or formats are zero, the supported values are queried
1560  * from the given nid.  The nid is used also by the default ops.prepare
1561  * and ops.cleanup callbacks.
1562  *
1563  * The driver needs to call ops.open in its open callback.  Similarly,
1564  * ops.close is supposed to be called in the close callback.
1565  * ops.prepare should be called in the prepare or hw_params callback
1566  * with the proper parameters for set up.
1567  * ops.cleanup should be called in hw_free for clean up of streams.
1568  *
1569  * This function returns 0 if successfull, or a negative error code.
1570  */
1571 int snd_hda_build_pcms(struct hda_bus *bus)
1572 {
1573         struct list_head *p;
1574
1575         list_for_each(p, &bus->codec_list) {
1576                 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
1577                 unsigned int pcm, s;
1578                 int err;
1579                 if (! codec->patch_ops.build_pcms)
1580                         continue;
1581                 err = codec->patch_ops.build_pcms(codec);
1582                 if (err < 0)
1583                         return err;
1584                 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
1585                         for (s = 0; s < 2; s++) {
1586                                 struct hda_pcm_stream *info;
1587                                 info = &codec->pcm_info[pcm].stream[s];
1588                                 if (! info->substreams)
1589                                         continue;
1590                                 err = set_pcm_default_values(codec, info);
1591                                 if (err < 0)
1592                                         return err;
1593                         }
1594                 }
1595         }
1596         return 0;
1597 }
1598
1599
1600 /**
1601  * snd_hda_check_board_config - compare the current codec with the config table
1602  * @codec: the HDA codec
1603  * @tbl: configuration table, terminated by null entries
1604  *
1605  * Compares the modelname or PCI subsystem id of the current codec with the
1606  * given configuration table.  If a matching entry is found, returns its
1607  * config value (supposed to be 0 or positive).
1608  *
1609  * If no entries are matching, the function returns a negative value.
1610  */
1611 int snd_hda_check_board_config(struct hda_codec *codec, const struct hda_board_config *tbl)
1612 {
1613         const struct hda_board_config *c;
1614
1615         if (codec->bus->modelname) {
1616                 for (c = tbl; c->modelname || c->pci_subvendor; c++) {
1617                         if (c->modelname &&
1618                             ! strcmp(codec->bus->modelname, c->modelname)) {
1619                                 snd_printd(KERN_INFO "hda_codec: model '%s' is selected\n", c->modelname);
1620                                 return c->config;
1621                         }
1622                 }
1623         }
1624
1625         if (codec->bus->pci) {
1626                 u16 subsystem_vendor, subsystem_device;
1627                 pci_read_config_word(codec->bus->pci, PCI_SUBSYSTEM_VENDOR_ID, &subsystem_vendor);
1628                 pci_read_config_word(codec->bus->pci, PCI_SUBSYSTEM_ID, &subsystem_device);
1629                 for (c = tbl; c->modelname || c->pci_subvendor; c++) {
1630                         if (c->pci_subvendor == subsystem_vendor &&
1631                             (! c->pci_subdevice /* all match */||
1632                              (c->pci_subdevice == subsystem_device))) {
1633                                 snd_printdd(KERN_INFO "hda_codec: PCI %x:%x, codec config %d is selected\n",
1634                                             subsystem_vendor, subsystem_device, c->config);
1635                                 return c->config;
1636                         }
1637                 }
1638         }
1639         return -1;
1640 }
1641
1642 /**
1643  * snd_hda_add_new_ctls - create controls from the array
1644  * @codec: the HDA codec
1645  * @knew: the array of snd_kcontrol_new_t
1646  *
1647  * This helper function creates and add new controls in the given array.
1648  * The array must be terminated with an empty entry as terminator.
1649  *
1650  * Returns 0 if successful, or a negative error code.
1651  */
1652 int snd_hda_add_new_ctls(struct hda_codec *codec, snd_kcontrol_new_t *knew)
1653 {
1654         int err;
1655
1656         for (; knew->name; knew++) {
1657                 err = snd_ctl_add(codec->bus->card, snd_ctl_new1(knew, codec));
1658                 if (err < 0)
1659                         return err;
1660         }
1661         return 0;
1662 }
1663
1664
1665  /*
1666  * Channel mode helper
1667  */
1668 int snd_hda_ch_mode_info(struct hda_codec *codec, snd_ctl_elem_info_t *uinfo,
1669                          const struct hda_channel_mode *chmode, int num_chmodes)
1670 {
1671         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1672         uinfo->count = 1;
1673         uinfo->value.enumerated.items = num_chmodes;
1674         if (uinfo->value.enumerated.item >= num_chmodes)
1675                 uinfo->value.enumerated.item = num_chmodes - 1;
1676         sprintf(uinfo->value.enumerated.name, "%dch",
1677                 chmode[uinfo->value.enumerated.item].channels);
1678         return 0;
1679 }
1680
1681 int snd_hda_ch_mode_get(struct hda_codec *codec, snd_ctl_elem_value_t *ucontrol,
1682                         const struct hda_channel_mode *chmode, int num_chmodes,
1683                         int max_channels)
1684 {
1685         int i;
1686
1687         for (i = 0; i < num_chmodes; i++) {
1688                 if (max_channels == chmode[i].channels) {
1689                         ucontrol->value.enumerated.item[0] = i;
1690                         break;
1691                 }
1692         }
1693         return 0;
1694 }
1695
1696 int snd_hda_ch_mode_put(struct hda_codec *codec, snd_ctl_elem_value_t *ucontrol,
1697                         const struct hda_channel_mode *chmode, int num_chmodes,
1698                         int *max_channelsp)
1699 {
1700         unsigned int mode;
1701
1702         mode = ucontrol->value.enumerated.item[0];
1703         snd_assert(mode < num_chmodes, return -EINVAL);
1704         if (*max_channelsp && ! codec->in_resume)
1705                 return 0;
1706         /* change the current channel setting */
1707         *max_channelsp = chmode[mode].channels;
1708         if (chmode[mode].sequence)
1709                 snd_hda_sequence_write(codec, chmode[mode].sequence);
1710         return 1;
1711 }
1712
1713 /*
1714  * input MUX helper
1715  */
1716 int snd_hda_input_mux_info(const struct hda_input_mux *imux, snd_ctl_elem_info_t *uinfo)
1717 {
1718         unsigned int index;
1719
1720         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1721         uinfo->count = 1;
1722         uinfo->value.enumerated.items = imux->num_items;
1723         index = uinfo->value.enumerated.item;
1724         if (index >= imux->num_items)
1725                 index = imux->num_items - 1;
1726         strcpy(uinfo->value.enumerated.name, imux->items[index].label);
1727         return 0;
1728 }
1729
1730 int snd_hda_input_mux_put(struct hda_codec *codec, const struct hda_input_mux *imux,
1731                           snd_ctl_elem_value_t *ucontrol, hda_nid_t nid,
1732                           unsigned int *cur_val)
1733 {
1734         unsigned int idx;
1735
1736         idx = ucontrol->value.enumerated.item[0];
1737         if (idx >= imux->num_items)
1738                 idx = imux->num_items - 1;
1739         if (*cur_val == idx && ! codec->in_resume)
1740                 return 0;
1741         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
1742                             imux->items[idx].index);
1743         *cur_val = idx;
1744         return 1;
1745 }
1746
1747
1748 /*
1749  * Multi-channel / digital-out PCM helper functions
1750  */
1751
1752 /*
1753  * open the digital out in the exclusive mode
1754  */
1755 int snd_hda_multi_out_dig_open(struct hda_codec *codec, struct hda_multi_out *mout)
1756 {
1757         down(&codec->spdif_mutex);
1758         if (mout->dig_out_used) {
1759                 up(&codec->spdif_mutex);
1760                 return -EBUSY; /* already being used */
1761         }
1762         mout->dig_out_used = HDA_DIG_EXCLUSIVE;
1763         up(&codec->spdif_mutex);
1764         return 0;
1765 }
1766
1767 /*
1768  * release the digital out
1769  */
1770 int snd_hda_multi_out_dig_close(struct hda_codec *codec, struct hda_multi_out *mout)
1771 {
1772         down(&codec->spdif_mutex);
1773         mout->dig_out_used = 0;
1774         up(&codec->spdif_mutex);
1775         return 0;
1776 }
1777
1778 /*
1779  * set up more restrictions for analog out
1780  */
1781 int snd_hda_multi_out_analog_open(struct hda_codec *codec, struct hda_multi_out *mout,
1782                                   snd_pcm_substream_t *substream)
1783 {
1784         substream->runtime->hw.channels_max = mout->max_channels;
1785         return snd_pcm_hw_constraint_step(substream->runtime, 0,
1786                                           SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1787 }
1788
1789 /*
1790  * set up the i/o for analog out
1791  * when the digital out is available, copy the front out to digital out, too.
1792  */
1793 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, struct hda_multi_out *mout,
1794                                      unsigned int stream_tag,
1795                                      unsigned int format,
1796                                      snd_pcm_substream_t *substream)
1797 {
1798         hda_nid_t *nids = mout->dac_nids;
1799         int chs = substream->runtime->channels;
1800         int i;
1801
1802         down(&codec->spdif_mutex);
1803         if (mout->dig_out_nid && mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
1804                 if (chs == 2 &&
1805                     snd_hda_is_supported_format(codec, mout->dig_out_nid, format) &&
1806                     ! (codec->spdif_status & IEC958_AES0_NONAUDIO)) {
1807                         mout->dig_out_used = HDA_DIG_ANALOG_DUP;
1808                         /* setup digital receiver */
1809                         snd_hda_codec_setup_stream(codec, mout->dig_out_nid,
1810                                                    stream_tag, 0, format);
1811                 } else {
1812                         mout->dig_out_used = 0;
1813                         snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
1814                 }
1815         }
1816         up(&codec->spdif_mutex);
1817
1818         /* front */
1819         snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag, 0, format);
1820         if (mout->hp_nid)
1821                 /* headphone out will just decode front left/right (stereo) */
1822                 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag, 0, format);
1823         /* surrounds */
1824         for (i = 1; i < mout->num_dacs; i++) {
1825                 if (chs >= (i + 1) * 2) /* independent out */
1826                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag, i * 2,
1827                                                    format);
1828                 else /* copy front */
1829                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag, 0,
1830                                                    format);
1831         }
1832         return 0;
1833 }
1834
1835 /*
1836  * clean up the setting for analog out
1837  */
1838 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec, struct hda_multi_out *mout)
1839 {
1840         hda_nid_t *nids = mout->dac_nids;
1841         int i;
1842
1843         for (i = 0; i < mout->num_dacs; i++)
1844                 snd_hda_codec_setup_stream(codec, nids[i], 0, 0, 0);
1845         if (mout->hp_nid)
1846                 snd_hda_codec_setup_stream(codec, mout->hp_nid, 0, 0, 0);
1847         down(&codec->spdif_mutex);
1848         if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
1849                 snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
1850                 mout->dig_out_used = 0;
1851         }
1852         up(&codec->spdif_mutex);
1853         return 0;
1854 }
1855
1856 /*
1857  * Helper for automatic ping configuration
1858  */
1859 /* parse all pin widgets and store the useful pin nids to cfg */
1860 int snd_hda_parse_pin_def_config(struct hda_codec *codec, struct auto_pin_cfg *cfg)
1861 {
1862         hda_nid_t nid, nid_start;
1863         int i, j, nodes;
1864         short seq, sequences[4], assoc_line_out;
1865
1866         memset(cfg, 0, sizeof(*cfg));
1867
1868         memset(sequences, 0, sizeof(sequences));
1869         assoc_line_out = 0;
1870
1871         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid_start);
1872         for (nid = nid_start; nid < nodes + nid_start; nid++) {
1873                 unsigned int wid_caps = snd_hda_param_read(codec, nid,
1874                                                            AC_PAR_AUDIO_WIDGET_CAP);
1875                 unsigned int wid_type = (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
1876                 unsigned int def_conf;
1877                 short assoc, loc;
1878
1879                 /* read all default configuration for pin complex */
1880                 if (wid_type != AC_WID_PIN)
1881                         continue;
1882                 def_conf = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
1883                 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
1884                         continue;
1885                 loc = get_defcfg_location(def_conf);
1886                 switch (get_defcfg_device(def_conf)) {
1887                 case AC_JACK_LINE_OUT:
1888                 case AC_JACK_SPEAKER:
1889                         seq = get_defcfg_sequence(def_conf);
1890                         assoc = get_defcfg_association(def_conf);
1891                         if (! assoc)
1892                                 continue;
1893                         if (! assoc_line_out)
1894                                 assoc_line_out = assoc;
1895                         else if (assoc_line_out != assoc)
1896                                 continue;
1897                         if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
1898                                 continue;
1899                         cfg->line_out_pins[cfg->line_outs] = nid;
1900                         sequences[cfg->line_outs] = seq;
1901                         cfg->line_outs++;
1902                         break;
1903                 case AC_JACK_HP_OUT:
1904                         cfg->hp_pin = nid;
1905                         break;
1906                 case AC_JACK_MIC_IN:
1907                         if (loc == AC_JACK_LOC_FRONT)
1908                                 cfg->input_pins[AUTO_PIN_FRONT_MIC] = nid;
1909                         else
1910                                 cfg->input_pins[AUTO_PIN_MIC] = nid;
1911                         break;
1912                 case AC_JACK_LINE_IN:
1913                         if (loc == AC_JACK_LOC_FRONT)
1914                                 cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
1915                         else
1916                                 cfg->input_pins[AUTO_PIN_LINE] = nid;
1917                         break;
1918                 case AC_JACK_CD:
1919                         cfg->input_pins[AUTO_PIN_CD] = nid;
1920                         break;
1921                 case AC_JACK_AUX:
1922                         cfg->input_pins[AUTO_PIN_AUX] = nid;
1923                         break;
1924                 case AC_JACK_SPDIF_OUT:
1925                         cfg->dig_out_pin = nid;
1926                         break;
1927                 case AC_JACK_SPDIF_IN:
1928                         cfg->dig_in_pin = nid;
1929                         break;
1930                 }
1931         }
1932
1933         /* sort by sequence */
1934         for (i = 0; i < cfg->line_outs; i++)
1935                 for (j = i + 1; j < cfg->line_outs; j++)
1936                         if (sequences[i] > sequences[j]) {
1937                                 seq = sequences[i];
1938                                 sequences[i] = sequences[j];
1939                                 sequences[j] = seq;
1940                                 nid = cfg->line_out_pins[i];
1941                                 cfg->line_out_pins[i] = cfg->line_out_pins[j];
1942                                 cfg->line_out_pins[j] = nid;
1943                         }
1944
1945         /* Reorder the surround channels
1946          * ALSA sequence is front/surr/clfe/side
1947          * HDA sequence is:
1948          *    4-ch: front/surr  =>  OK as it is
1949          *    6-ch: front/clfe/surr
1950          *    8-ch: front/clfe/side/surr
1951          */
1952         switch (cfg->line_outs) {
1953         case 3:
1954                 nid = cfg->line_out_pins[1];
1955                 cfg->line_out_pins[1] = cfg->line_out_pins[2];
1956                 cfg->line_out_pins[2] = nid;
1957                 break;
1958         case 4:
1959                 nid = cfg->line_out_pins[1];
1960                 cfg->line_out_pins[1] = cfg->line_out_pins[3];
1961                 cfg->line_out_pins[3] = cfg->line_out_pins[2];
1962                 cfg->line_out_pins[2] = nid;
1963                 break;
1964         }
1965
1966         return 0;
1967 }
1968
1969 #ifdef CONFIG_PM
1970 /*
1971  * power management
1972  */
1973
1974 /**
1975  * snd_hda_suspend - suspend the codecs
1976  * @bus: the HDA bus
1977  * @state: suspsend state
1978  *
1979  * Returns 0 if successful.
1980  */
1981 int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
1982 {
1983         struct list_head *p;
1984
1985         /* FIXME: should handle power widget capabilities */
1986         list_for_each(p, &bus->codec_list) {
1987                 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
1988                 if (codec->patch_ops.suspend)
1989                         codec->patch_ops.suspend(codec, state);
1990         }
1991         return 0;
1992 }
1993
1994 /**
1995  * snd_hda_resume - resume the codecs
1996  * @bus: the HDA bus
1997  * @state: resume state
1998  *
1999  * Returns 0 if successful.
2000  */
2001 int snd_hda_resume(struct hda_bus *bus)
2002 {
2003         struct list_head *p;
2004
2005         list_for_each(p, &bus->codec_list) {
2006                 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
2007                 if (codec->patch_ops.resume)
2008                         codec->patch_ops.resume(codec);
2009         }
2010         return 0;
2011 }
2012
2013 /**
2014  * snd_hda_resume_ctls - resume controls in the new control list
2015  * @codec: the HDA codec
2016  * @knew: the array of snd_kcontrol_new_t
2017  *
2018  * This function resumes the mixer controls in the snd_kcontrol_new_t array,
2019  * originally for snd_hda_add_new_ctls().
2020  * The array must be terminated with an empty entry as terminator.
2021  */
2022 int snd_hda_resume_ctls(struct hda_codec *codec, snd_kcontrol_new_t *knew)
2023 {
2024         snd_ctl_elem_value_t *val;
2025
2026         val = kmalloc(sizeof(*val), GFP_KERNEL);
2027         if (! val)
2028                 return -ENOMEM;
2029         codec->in_resume = 1;
2030         for (; knew->name; knew++) {
2031                 int i, count;
2032                 count = knew->count ? knew->count : 1;
2033                 for (i = 0; i < count; i++) {
2034                         memset(val, 0, sizeof(*val));
2035                         val->id.iface = knew->iface;
2036                         val->id.device = knew->device;
2037                         val->id.subdevice = knew->subdevice;
2038                         strcpy(val->id.name, knew->name);
2039                         val->id.index = knew->index ? knew->index : i;
2040                         /* Assume that get callback reads only from cache,
2041                          * not accessing to the real hardware
2042                          */
2043                         if (snd_ctl_elem_read(codec->bus->card, val) < 0)
2044                                 continue;
2045                         snd_ctl_elem_write(codec->bus->card, NULL, val);
2046                 }
2047         }
2048         codec->in_resume = 0;
2049         kfree(val);
2050         return 0;
2051 }
2052
2053 /**
2054  * snd_hda_resume_spdif_out - resume the digital out
2055  * @codec: the HDA codec
2056  */
2057 int snd_hda_resume_spdif_out(struct hda_codec *codec)
2058 {
2059         return snd_hda_resume_ctls(codec, dig_mixes);
2060 }
2061
2062 /**
2063  * snd_hda_resume_spdif_in - resume the digital in
2064  * @codec: the HDA codec
2065  */
2066 int snd_hda_resume_spdif_in(struct hda_codec *codec)
2067 {
2068         return snd_hda_resume_ctls(codec, dig_in_ctls);
2069 }
2070 #endif
2071
2072 /*
2073  * symbols exported for controller modules
2074  */
2075 EXPORT_SYMBOL(snd_hda_codec_read);
2076 EXPORT_SYMBOL(snd_hda_codec_write);
2077 EXPORT_SYMBOL(snd_hda_sequence_write);
2078 EXPORT_SYMBOL(snd_hda_get_sub_nodes);
2079 EXPORT_SYMBOL(snd_hda_queue_unsol_event);
2080 EXPORT_SYMBOL(snd_hda_bus_new);
2081 EXPORT_SYMBOL(snd_hda_codec_new);
2082 EXPORT_SYMBOL(snd_hda_codec_setup_stream);
2083 EXPORT_SYMBOL(snd_hda_calc_stream_format);
2084 EXPORT_SYMBOL(snd_hda_build_pcms);
2085 EXPORT_SYMBOL(snd_hda_build_controls);
2086 #ifdef CONFIG_PM
2087 EXPORT_SYMBOL(snd_hda_suspend);
2088 EXPORT_SYMBOL(snd_hda_resume);
2089 #endif
2090
2091 /*
2092  *  INIT part
2093  */
2094
2095 static int __init alsa_hda_init(void)
2096 {
2097         return 0;
2098 }
2099
2100 static void __exit alsa_hda_exit(void)
2101 {
2102 }
2103
2104 module_init(alsa_hda_init)
2105 module_exit(alsa_hda_exit)