git.oblomov.eu Git - linux-2.6/blob - 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 <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);
 469 }
 470
 471 static void init_amp_hash(struct hda_codec *codec);
 472
 473 /**
 474  * snd_hda_codec_new - create a HDA codec
 475  * @bus: the bus to assign
 476  * @codec_addr: the codec address
 477  * @codecp: the pointer to store the generated codec
 478  *
 479  * Returns 0 if successful, or a negative error code.
 480  */
 481 int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
 482                       struct hda_codec **codecp)
 483 {
 484         struct hda_codec *codec;
 485         char component[13];
 486         int err;
 487
 488         snd_assert(bus, return -EINVAL);
 489         snd_assert(codec_addr <= HDA_MAX_CODEC_ADDRESS, return -EINVAL);
 490
 491         if (bus->caddr_tbl[codec_addr]) {
 492                 snd_printk(KERN_ERR "hda_codec: address 0x%x is already occupied\n", codec_addr);
 493                 return -EBUSY;
 494         }
 495
 496         codec = kzalloc(sizeof(*codec), GFP_KERNEL);
 497         if (codec == NULL) {
 498                 snd_printk(KERN_ERR "can't allocate struct hda_codec\n");
 499                 return -ENOMEM;
 500         }
 501
 502         codec->bus = bus;
 503         codec->addr = codec_addr;
 504         init_MUTEX(&codec->spdif_mutex);
 505         init_amp_hash(codec);
 506
 507         list_add_tail(&codec->list, &bus->codec_list);
 508         bus->caddr_tbl[codec_addr] = codec;
 509
 510         codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_VENDOR_ID);
 511         codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_SUBSYSTEM_ID);
 512         codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_REV_ID);
 513
 514         setup_fg_nodes(codec);
 515         if (! codec->afg && ! codec->mfg) {
 516                 snd_printdd("hda_codec: no AFG or MFG node found\n");
 517                 snd_hda_codec_free(codec);
 518                 return -ENODEV;
 519         }
 520
 521         if (! codec->subsystem_id) {
 522                 hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
 523                 codec->subsystem_id = snd_hda_codec_read(codec, nid, 0,
 524                                                          AC_VERB_GET_SUBSYSTEM_ID,
 525                                                          0);
 526         }
 527
 528         codec->preset = find_codec_preset(codec);
 529         if (! *bus->card->mixername)
 530                 snd_hda_get_codec_name(codec, bus->card->mixername,
 531                                        sizeof(bus->card->mixername));
 532
 533         if (codec->preset && codec->preset->patch)
 534                 err = codec->preset->patch(codec);
 535         else
 536                 err = snd_hda_parse_generic_codec(codec);
 537         if (err < 0) {
 538                 snd_hda_codec_free(codec);
 539                 return err;
 540         }
 541
 542         snd_hda_codec_proc_new(codec);
 543
 544         sprintf(component, "HDA:%08x", codec->vendor_id);
 545         snd_component_add(codec->bus->card, component);
 546
 547         if (codecp)
 548                 *codecp = codec;
 549         return 0;
 550 }
 551
 552 /**
 553  * snd_hda_codec_setup_stream - set up the codec for streaming
 554  * @codec: the CODEC to set up
 555  * @nid: the NID to set up
 556  * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
 557  * @channel_id: channel id to pass, zero based.
 558  * @format: stream format.
 559  */
 560 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, u32 stream_tag,
 561                                 int channel_id, int format)
 562 {
 563         if (! nid)
 564                 return;
 565
 566         snd_printdd("hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
 567                     nid, stream_tag, channel_id, format);
 568         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID,
 569                             (stream_tag << 4) | channel_id);
 570         msleep(1);
 571         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
 572 }
 573
 574
 575 /*
 576  * amp access functions
 577  */
 578
 579 /* FIXME: more better hash key? */
 580 #define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
 581 #define INFO_AMP_CAPS   (1<<0)
 582 #define INFO_AMP_VOL(ch)        (1 << (1 + (ch)))
 583
 584 /* initialize the hash table */
 585 static void init_amp_hash(struct hda_codec *codec)
 586 {
 587         memset(codec->amp_hash, 0xff, sizeof(codec->amp_hash));
 588         codec->num_amp_entries = 0;
 589 }
 590
 591 /* query the hash.  allocate an entry if not found. */
 592 static struct hda_amp_info *get_alloc_amp_hash(struct hda_codec *codec, u32 key)
 593 {
 594         u16 idx = key % (u16)ARRAY_SIZE(codec->amp_hash);
 595         u16 cur = codec->amp_hash[idx];
 596         struct hda_amp_info *info;
 597
 598         while (cur != 0xffff) {
 599                 info = &codec->amp_info[cur];
 600                 if (info->key == key)
 601                         return info;
 602                 cur = info->next;
 603         }
 604
 605         /* add a new hash entry */
 606         if (codec->num_amp_entries >= ARRAY_SIZE(codec->amp_info)) {
 607                 snd_printk(KERN_ERR "hda_codec: Tooooo many amps!\n");
 608                 return NULL;
 609         }
 610         cur = codec->num_amp_entries++;
 611         info = &codec->amp_info[cur];
 612         info->key = key;
 613         info->status = 0; /* not initialized yet */
 614         info->next = codec->amp_hash[idx];
 615         codec->amp_hash[idx] = cur;
 616
 617         return info;
 618 }
 619
 620 /*
 621  * query AMP capabilities for the given widget and direction
 622  */
 623 static u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
 624 {
 625         struct hda_amp_info *info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0));
 626
 627         if (! info)
 628                 return 0;
 629         if (! (info->status & INFO_AMP_CAPS)) {
 630                 if (!(snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP) & AC_WCAP_AMP_OVRD))
 631                         nid = codec->afg;
 632                 info->amp_caps = snd_hda_param_read(codec, nid, direction == HDA_OUTPUT ?
 633                                                     AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
 634                 info->status |= INFO_AMP_CAPS;
 635         }
 636         return info->amp_caps;
 637 }
 638
 639 /*
 640  * read the current volume to info
 641  * if the cache exists, read the cache value.
 642  */
 643 static unsigned int get_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
 644                          hda_nid_t nid, int ch, int direction, int index)
 645 {
 646         u32 val, parm;
 647
 648         if (info->status & INFO_AMP_VOL(ch))
 649                 return info->vol[ch];
 650
 651         parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
 652         parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
 653         parm |= index;
 654         val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE, parm);
 655         info->vol[ch] = val & 0xff;
 656         info->status |= INFO_AMP_VOL(ch);
 657         return info->vol[ch];
 658 }
 659
 660 /*
 661  * write the current volume in info to the h/w and update the cache
 662  */
 663 static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
 664                          hda_nid_t nid, int ch, int direction, int index, int val)
 665 {
 666         u32 parm;
 667
 668         parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
 669         parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
 670         parm |= index << AC_AMP_SET_INDEX_SHIFT;
 671         parm |= val;
 672         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
 673         info->vol[ch] = val;
 674 }
 675
 676 /*
 677  * read AMP value.  The volume is between 0 to 0x7f, 0x80 = mute bit.
 678  */
 679 static int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch, int direction, int index)
 680 {
 681         struct hda_amp_info *info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
 682         if (! info)
 683                 return 0;
 684         return get_vol_mute(codec, info, nid, ch, direction, index);
 685 }
 686
 687 /*
 688  * update the AMP value, mask = bit mask to set, val = the value
 689  */
 690 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)
 691 {
 692         struct hda_amp_info *info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx));
 693
 694         if (! info)
 695                 return 0;
 696         val &= mask;
 697         val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask;
 698         if (info->vol[ch] == val && ! codec->in_resume)
 699                 return 0;
 700         put_vol_mute(codec, info, nid, ch, direction, idx, val);
 701         return 1;
 702 }
 703
 704
 705 /*
 706  * AMP control callbacks
 707  */
 708 /* retrieve parameters from private_value */
 709 #define get_amp_nid(kc)         ((kc)->private_value & 0xffff)
 710 #define get_amp_channels(kc)    (((kc)->private_value >> 16) & 0x3)
 711 #define get_amp_direction(kc)   (((kc)->private_value >> 18) & 0x1)
 712 #define get_amp_index(kc)       (((kc)->private_value >> 19) & 0xf)
 713
 714 /* volume */
 715 int snd_hda_mixer_amp_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 716 {
 717         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 718         u16 nid = get_amp_nid(kcontrol);
 719         u8 chs = get_amp_channels(kcontrol);
 720         int dir = get_amp_direction(kcontrol);
 721         u32 caps;
 722
 723         caps = query_amp_caps(codec, nid, dir);
 724         caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; /* num steps */
 725         if (! caps) {
 726                 printk(KERN_WARNING "hda_codec: num_steps = 0 for NID=0x%x\n", nid);
 727                 return -EINVAL;
 728         }
 729         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 730         uinfo->count = chs == 3 ? 2 : 1;
 731         uinfo->value.integer.min = 0;
 732         uinfo->value.integer.max = caps;
 733         return 0;
 734 }
 735
 736 int snd_hda_mixer_amp_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 737 {
 738         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 739         hda_nid_t nid = get_amp_nid(kcontrol);
 740         int chs = get_amp_channels(kcontrol);
 741         int dir = get_amp_direction(kcontrol);
 742         int idx = get_amp_index(kcontrol);
 743         long *valp = ucontrol->value.integer.value;
 744
 745         if (chs & 1)
 746                 *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & 0x7f;
 747         if (chs & 2)
 748                 *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & 0x7f;
 749         return 0;
 750 }
 751
 752 int snd_hda_mixer_amp_volume_put(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         int change = 0;
 761
 762         if (chs & 1) {
 763                 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
 764                                                   0x7f, *valp);
 765                 valp++;
 766         }
 767         if (chs & 2)
 768                 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
 769                                                    0x7f, *valp);
 770         return change;
 771 }
 772
 773 /* switch */
 774 int snd_hda_mixer_amp_switch_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 775 {
 776         int chs = get_amp_channels(kcontrol);
 777
 778         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 779         uinfo->count = chs == 3 ? 2 : 1;
 780         uinfo->value.integer.min = 0;
 781         uinfo->value.integer.max = 1;
 782         return 0;
 783 }
 784
 785 int snd_hda_mixer_amp_switch_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 786 {
 787         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 788         hda_nid_t nid = get_amp_nid(kcontrol);
 789         int chs = get_amp_channels(kcontrol);
 790         int dir = get_amp_direction(kcontrol);
 791         int idx = get_amp_index(kcontrol);
 792         long *valp = ucontrol->value.integer.value;
 793
 794         if (chs & 1)
 795                 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & 0x80) ? 0 : 1;
 796         if (chs & 2)
 797                 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & 0x80) ? 0 : 1;
 798         return 0;
 799 }
 800
 801 int snd_hda_mixer_amp_switch_put(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         int change = 0;
 810
 811         if (chs & 1) {
 812                 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
 813                                                   0x80, *valp ? 0 : 0x80);
 814                 valp++;
 815         }
 816         if (chs & 2)
 817                 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
 818                                                    0x80, *valp ? 0 : 0x80);
 819
 820         return change;
 821 }
 822
 823 /*
 824  * SPDIF out controls
 825  */
 826
 827 static int snd_hda_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 828 {
 829         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
 830         uinfo->count = 1;
 831         return 0;
 832 }
 833
 834 static int snd_hda_spdif_cmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 835 {
 836         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
 837                                            IEC958_AES0_NONAUDIO |
 838                                            IEC958_AES0_CON_EMPHASIS_5015 |
 839                                            IEC958_AES0_CON_NOT_COPYRIGHT;
 840         ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
 841                                            IEC958_AES1_CON_ORIGINAL;
 842         return 0;
 843 }
 844
 845 static int snd_hda_spdif_pmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 846 {
 847         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
 848                                            IEC958_AES0_NONAUDIO |
 849                                            IEC958_AES0_PRO_EMPHASIS_5015;
 850         return 0;
 851 }
 852
 853 static int snd_hda_spdif_default_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 854 {
 855         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 856
 857         ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff;
 858         ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff;
 859         ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff;
 860         ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff;
 861
 862         return 0;
 863 }
 864
 865 /* convert from SPDIF status bits to HDA SPDIF bits
 866  * bit 0 (DigEn) is always set zero (to be filled later)
 867  */
 868 static unsigned short convert_from_spdif_status(unsigned int sbits)
 869 {
 870         unsigned short val = 0;
 871
 872         if (sbits & IEC958_AES0_PROFESSIONAL)
 873                 val |= 1 << 6;
 874         if (sbits & IEC958_AES0_NONAUDIO)
 875                 val |= 1 << 5;
 876         if (sbits & IEC958_AES0_PROFESSIONAL) {
 877                 if ((sbits & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
 878                         val |= 1 << 3;
 879         } else {
 880                 if ((sbits & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
 881                         val |= 1 << 3;
 882                 if (! (sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
 883                         val |= 1 << 4;
 884                 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
 885                         val |= 1 << 7;
 886                 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
 887         }
 888         return val;
 889 }
 890
 891 /* convert to SPDIF status bits from HDA SPDIF bits
 892  */
 893 static unsigned int convert_to_spdif_status(unsigned short val)
 894 {
 895         unsigned int sbits = 0;
 896
 897         if (val & (1 << 5))
 898                 sbits |= IEC958_AES0_NONAUDIO;
 899         if (val & (1 << 6))
 900                 sbits |= IEC958_AES0_PROFESSIONAL;
 901         if (sbits & IEC958_AES0_PROFESSIONAL) {
 902                 if (sbits & (1 << 3))
 903                         sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
 904         } else {
 905                 if (val & (1 << 3))
 906                         sbits |= IEC958_AES0_CON_EMPHASIS_5015;
 907                 if (! (val & (1 << 4)))
 908                         sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
 909                 if (val & (1 << 7))
 910                         sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
 911                 sbits |= val & (0x7f << 8);
 912         }
 913         return sbits;
 914 }
 915
 916 static int snd_hda_spdif_default_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 917 {
 918         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 919         hda_nid_t nid = kcontrol->private_value;
 920         unsigned short val;
 921         int change;
 922
 923         down(&codec->spdif_mutex);
 924         codec->spdif_status = ucontrol->value.iec958.status[0] |
 925                 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
 926                 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
 927                 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
 928         val = convert_from_spdif_status(codec->spdif_status);
 929         val |= codec->spdif_ctls & 1;
 930         change = codec->spdif_ctls != val;
 931         codec->spdif_ctls = val;
 932
 933         if (change || codec->in_resume) {
 934                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, val & 0xff);
 935                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_2, val >> 8);
 936         }
 937
 938         up(&codec->spdif_mutex);
 939         return change;
 940 }
 941
 942 static int snd_hda_spdif_out_switch_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 943 {
 944         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 945         uinfo->count = 1;
 946         uinfo->value.integer.min = 0;
 947         uinfo->value.integer.max = 1;
 948         return 0;
 949 }
 950
 951 static int snd_hda_spdif_out_switch_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 952 {
 953         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 954
 955         ucontrol->value.integer.value[0] = codec->spdif_ctls & 1;
 956         return 0;
 957 }
 958
 959 static int snd_hda_spdif_out_switch_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 960 {
 961         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 962         hda_nid_t nid = kcontrol->private_value;
 963         unsigned short val;
 964         int change;
 965
 966         down(&codec->spdif_mutex);
 967         val = codec->spdif_ctls & ~1;
 968         if (ucontrol->value.integer.value[0])
 969                 val |= 1;
 970         change = codec->spdif_ctls != val;
 971         if (change || codec->in_resume) {
 972                 codec->spdif_ctls = val;
 973                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, val & 0xff);
 974                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE,
 975                                     AC_AMP_SET_RIGHT | AC_AMP_SET_LEFT |
 976                                     AC_AMP_SET_OUTPUT | ((val & 1) ? 0 : 0x80));
 977         }
 978         up(&codec->spdif_mutex);
 979         return change;
 980 }
 981
 982 static snd_kcontrol_new_t dig_mixes[] = {
 983         {
 984                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 985                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 986                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
 987                 .info = snd_hda_spdif_mask_info,
 988                 .get = snd_hda_spdif_cmask_get,
 989         },
 990         {
 991                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 992                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 993                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
 994                 .info = snd_hda_spdif_mask_info,
 995                 .get = snd_hda_spdif_pmask_get,
 996         },
 997         {
 998                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 999                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1000                 .info = snd_hda_spdif_mask_info,
1001                 .get = snd_hda_spdif_default_get,
1002                 .put = snd_hda_spdif_default_put,
1003         },
1004         {
1005                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1006                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1007                 .info = snd_hda_spdif_out_switch_info,
1008                 .get = snd_hda_spdif_out_switch_get,
1009                 .put = snd_hda_spdif_out_switch_put,
1010         },
1011         { } /* end */
1012 };
1013
1014 /**
1015  * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1016  * @codec: the HDA codec
1017  * @nid: audio out widget NID
1018  *
1019  * Creates controls related with the SPDIF output.
1020  * Called from each patch supporting the SPDIF out.
1021  *
1022  * Returns 0 if successful, or a negative error code.
1023  */
1024 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid)
1025 {
1026         int err;
1027         snd_kcontrol_t *kctl;
1028         snd_kcontrol_new_t *dig_mix;
1029
1030         for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
1031                 kctl = snd_ctl_new1(dig_mix, codec);
1032                 kctl->private_value = nid;
1033                 if ((err = snd_ctl_add(codec->bus->card, kctl)) < 0)
1034                         return err;
1035         }
1036         codec->spdif_ctls = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0);
1037         codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
1038         return 0;
1039 }
1040
1041 /*
1042  * SPDIF input
1043  */
1044
1045 #define snd_hda_spdif_in_switch_info    snd_hda_spdif_out_switch_info
1046
1047 static int snd_hda_spdif_in_switch_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
1048 {
1049         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1050
1051         ucontrol->value.integer.value[0] = codec->spdif_in_enable;
1052         return 0;
1053 }
1054
1055 static int snd_hda_spdif_in_switch_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
1056 {
1057         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1058         hda_nid_t nid = kcontrol->private_value;
1059         unsigned int val = !!ucontrol->value.integer.value[0];
1060         int change;
1061
1062         down(&codec->spdif_mutex);
1063         change = codec->spdif_in_enable != val;
1064         if (change || codec->in_resume) {
1065                 codec->spdif_in_enable = val;
1066                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, val);
1067         }
1068         up(&codec->spdif_mutex);
1069         return change;
1070 }
1071
1072 static int snd_hda_spdif_in_status_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
1073 {
1074         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1075         hda_nid_t nid = kcontrol->private_value;
1076         unsigned short val;
1077         unsigned int sbits;
1078
1079         val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0);
1080         sbits = convert_to_spdif_status(val);
1081         ucontrol->value.iec958.status[0] = sbits;
1082         ucontrol->value.iec958.status[1] = sbits >> 8;
1083         ucontrol->value.iec958.status[2] = sbits >> 16;
1084         ucontrol->value.iec958.status[3] = sbits >> 24;
1085         return 0;
1086 }
1087
1088 static snd_kcontrol_new_t dig_in_ctls[] = {
1089         {
1090                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1091                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
1092                 .info = snd_hda_spdif_in_switch_info,
1093                 .get = snd_hda_spdif_in_switch_get,
1094                 .put = snd_hda_spdif_in_switch_put,
1095         },
1096         {
1097                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1098                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1099                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1100                 .info = snd_hda_spdif_mask_info,
1101                 .get = snd_hda_spdif_in_status_get,
1102         },
1103         { } /* end */
1104 };
1105
1106 /**
1107  * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1108  * @codec: the HDA codec
1109  * @nid: audio in widget NID
1110  *
1111  * Creates controls related with the SPDIF input.
1112  * Called from each patch supporting the SPDIF in.
1113  *
1114  * Returns 0 if successful, or a negative error code.
1115  */
1116 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
1117 {
1118         int err;
1119         snd_kcontrol_t *kctl;
1120         snd_kcontrol_new_t *dig_mix;
1121
1122         for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
1123                 kctl = snd_ctl_new1(dig_mix, codec);
1124                 kctl->private_value = nid;
1125                 if ((err = snd_ctl_add(codec->bus->card, kctl)) < 0)
1126                         return err;
1127         }
1128         codec->spdif_in_enable = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0) & 1;
1129         return 0;
1130 }
1131
1132
1133 /**
1134  * snd_hda_build_controls - build mixer controls
1135  * @bus: the BUS
1136  *
1137  * Creates mixer controls for each codec included in the bus.
1138  *
1139  * Returns 0 if successful, otherwise a negative error code.
1140  */
1141 int snd_hda_build_controls(struct hda_bus *bus)
1142 {
1143         struct list_head *p;
1144
1145         /* build controls */
1146         list_for_each(p, &bus->codec_list) {
1147                 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
1148                 int err;
1149                 if (! codec->patch_ops.build_controls)
1150                         continue;
1151                 err = codec->patch_ops.build_controls(codec);
1152                 if (err < 0)
1153                         return err;
1154         }
1155
1156         /* initialize */
1157         list_for_each(p, &bus->codec_list) {
1158                 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
1159                 int err;
1160                 if (! codec->patch_ops.init)
1161                         continue;
1162                 err = codec->patch_ops.init(codec);
1163                 if (err < 0)
1164                         return err;
1165         }
1166         return 0;
1167 }
1168
1169
1170 /*
1171  * stream formats
1172  */
1173 struct hda_rate_tbl {
1174         unsigned int hz;
1175         unsigned int alsa_bits;
1176         unsigned int hda_fmt;
1177 };
1178
1179 static struct hda_rate_tbl rate_bits[] = {
1180         /* rate in Hz, ALSA rate bitmask, HDA format value */
1181
1182         /* autodetected value used in snd_hda_query_supported_pcm */
1183         { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
1184         { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
1185         { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
1186         { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
1187         { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
1188         { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
1189         { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
1190         { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
1191         { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
1192         { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
1193         { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
1194
1195         /* not autodetected value */
1196         { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
1197
1198         { 0 } /* terminator */
1199 };
1200
1201 /**
1202  * snd_hda_calc_stream_format - calculate format bitset
1203  * @rate: the sample rate
1204  * @channels: the number of channels
1205  * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
1206  * @maxbps: the max. bps
1207  *
1208  * Calculate the format bitset from the given rate, channels and th PCM format.
1209  *
1210  * Return zero if invalid.
1211  */
1212 unsigned int snd_hda_calc_stream_format(unsigned int rate,
1213                                         unsigned int channels,
1214                                         unsigned int format,
1215                                         unsigned int maxbps)
1216 {
1217         int i;
1218         unsigned int val = 0;
1219
1220         for (i = 0; rate_bits[i].hz; i++)
1221                 if (rate_bits[i].hz == rate) {
1222                         val = rate_bits[i].hda_fmt;
1223                         break;
1224                 }
1225         if (! rate_bits[i].hz) {
1226                 snd_printdd("invalid rate %d\n", rate);
1227                 return 0;
1228         }
1229
1230         if (channels == 0 || channels > 8) {
1231                 snd_printdd("invalid channels %d\n", channels);
1232                 return 0;
1233         }
1234         val |= channels - 1;
1235
1236         switch (snd_pcm_format_width(format)) {
1237         case 8:  val |= 0x00; break;
1238         case 16: val |= 0x10; break;
1239         case 20:
1240         case 24:
1241         case 32:
1242                 if (maxbps >= 32)
1243                         val |= 0x40;
1244                 else if (maxbps >= 24)
1245                         val |= 0x30;
1246                 else
1247                         val |= 0x20;
1248                 break;
1249         default:
1250                 snd_printdd("invalid format width %d\n", snd_pcm_format_width(format));
1251                 return 0;
1252         }
1253
1254         return val;
1255 }
1256
1257 /**
1258  * snd_hda_query_supported_pcm - query the supported PCM rates and formats
1259  * @codec: the HDA codec
1260  * @nid: NID to query
1261  * @ratesp: the pointer to store the detected rate bitflags
1262  * @formatsp: the pointer to store the detected formats
1263  * @bpsp: the pointer to store the detected format widths
1264  *
1265  * Queries the supported PCM rates and formats.  The NULL @ratesp, @formatsp
1266  * or @bsps argument is ignored.
1267  *
1268  * Returns 0 if successful, otherwise a negative error code.
1269  */
1270 int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
1271                                 u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
1272 {
1273         int i;
1274         unsigned int val, streams;
1275
1276         val = 0;
1277         if (nid != codec->afg &&
1278             snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP) & AC_WCAP_FORMAT_OVRD) {
1279                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
1280                 if (val == -1)
1281                         return -EIO;
1282         }
1283         if (! val)
1284                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
1285
1286         if (ratesp) {
1287                 u32 rates = 0;
1288                 for (i = 0; rate_bits[i].hz; i++) {
1289                         if (val & (1 << i))
1290                                 rates |= rate_bits[i].alsa_bits;
1291                 }
1292                 *ratesp = rates;
1293         }
1294
1295         if (formatsp || bpsp) {
1296                 u64 formats = 0;
1297                 unsigned int bps;
1298                 unsigned int wcaps;
1299
1300                 wcaps = snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
1301                 streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
1302                 if (streams == -1)
1303                         return -EIO;
1304                 if (! streams) {
1305                         streams = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
1306                         if (streams == -1)
1307                                 return -EIO;
1308                 }
1309
1310                 bps = 0;
1311                 if (streams & AC_SUPFMT_PCM) {
1312                         if (val & AC_SUPPCM_BITS_8) {
1313                                 formats |= SNDRV_PCM_FMTBIT_U8;
1314                                 bps = 8;
1315                         }
1316                         if (val & AC_SUPPCM_BITS_16) {
1317                                 formats |= SNDRV_PCM_FMTBIT_S16_LE;
1318                                 bps = 16;
1319                         }
1320                         if (wcaps & AC_WCAP_DIGITAL) {
1321                                 if (val & AC_SUPPCM_BITS_32)
1322                                         formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
1323                                 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
1324                                         formats |= SNDRV_PCM_FMTBIT_S32_LE;
1325                                 if (val & AC_SUPPCM_BITS_24)
1326                                         bps = 24;
1327                                 else if (val & AC_SUPPCM_BITS_20)
1328                                         bps = 20;
1329                         } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|AC_SUPPCM_BITS_32)) {
1330                                 formats |= SNDRV_PCM_FMTBIT_S32_LE;
1331                                 if (val & AC_SUPPCM_BITS_32)
1332                                         bps = 32;
1333                                 else if (val & AC_SUPPCM_BITS_20)
1334                                         bps = 20;
1335                                 else if (val & AC_SUPPCM_BITS_24)
1336                                         bps = 24;
1337                         }
1338                 }
1339                 else if (streams == AC_SUPFMT_FLOAT32) { /* should be exclusive */
1340                         formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
1341                         bps = 32;
1342                 } else if (streams == AC_SUPFMT_AC3) { /* should be exclusive */
1343                         /* temporary hack: we have still no proper support
1344                          * for the direct AC3 stream...
1345                          */
1346                         formats |= SNDRV_PCM_FMTBIT_U8;
1347                         bps = 8;
1348                 }
1349                 if (formatsp)
1350                         *formatsp = formats;
1351                 if (bpsp)
1352                         *bpsp = bps;
1353         }
1354
1355         return 0;
1356 }
1357
1358 /**
1359  * snd_hda_is_supported_format - check whether the given node supports the format val
1360  *
1361  * Returns 1 if supported, 0 if not.
1362  */
1363 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
1364                                 unsigned int format)
1365 {
1366         int i;
1367         unsigned int val = 0, rate, stream;
1368
1369         if (nid != codec->afg &&
1370             snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP) & AC_WCAP_FORMAT_OVRD) {
1371                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
1372                 if (val == -1)
1373                         return 0;
1374         }
1375         if (! val) {
1376                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
1377                 if (val == -1)
1378                         return 0;
1379         }
1380
1381         rate = format & 0xff00;
1382         for (i = 0; rate_bits[i].hz; i++)
1383                 if (rate_bits[i].hda_fmt == rate) {
1384                         if (val & (1 << i))
1385                                 break;
1386                         return 0;
1387                 }
1388         if (! rate_bits[i].hz)
1389                 return 0;
1390
1391         stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
1392         if (stream == -1)
1393                 return 0;
1394         if (! stream && nid != codec->afg)
1395                 stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
1396         if (! stream || stream == -1)
1397                 return 0;
1398
1399         if (stream & AC_SUPFMT_PCM) {
1400                 switch (format & 0xf0) {
1401                 case 0x00:
1402                         if (! (val & AC_SUPPCM_BITS_8))
1403                                 return 0;
1404                         break;
1405                 case 0x10:
1406                         if (! (val & AC_SUPPCM_BITS_16))
1407                                 return 0;
1408                         break;
1409                 case 0x20:
1410                         if (! (val & AC_SUPPCM_BITS_20))
1411                                 return 0;
1412                         break;
1413                 case 0x30:
1414                         if (! (val & AC_SUPPCM_BITS_24))
1415                                 return 0;
1416                         break;
1417                 case 0x40:
1418                         if (! (val & AC_SUPPCM_BITS_32))
1419                                 return 0;
1420                         break;
1421                 default:
1422                         return 0;
1423                 }
1424         } else {
1425                 /* FIXME: check for float32 and AC3? */
1426         }
1427
1428         return 1;
1429 }
1430
1431 /*
1432  * PCM stuff
1433  */
1434 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
1435                                       struct hda_codec *codec,
1436                                       snd_pcm_substream_t *substream)
1437 {
1438         return 0;
1439 }
1440
1441 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
1442                                    struct hda_codec *codec,
1443                                    unsigned int stream_tag,
1444                                    unsigned int format,
1445                                    snd_pcm_substream_t *substream)
1446 {
1447         snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
1448         return 0;
1449 }
1450
1451 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
1452                                    struct hda_codec *codec,
1453                                    snd_pcm_substream_t *substream)
1454 {
1455         snd_hda_codec_setup_stream(codec, hinfo->nid, 0, 0, 0);
1456         return 0;
1457 }
1458
1459 static int set_pcm_default_values(struct hda_codec *codec, struct hda_pcm_stream *info)
1460 {
1461         if (info->nid) {
1462                 /* query support PCM information from the given NID */
1463                 if (! info->rates || ! info->formats)
1464                         snd_hda_query_supported_pcm(codec, info->nid,
1465                                                     info->rates ? NULL : &info->rates,
1466                                                     info->formats ? NULL : &info->formats,
1467                                                     info->maxbps ? NULL : &info->maxbps);
1468         }
1469         if (info->ops.open == NULL)
1470                 info->ops.open = hda_pcm_default_open_close;
1471         if (info->ops.close == NULL)
1472                 info->ops.close = hda_pcm_default_open_close;
1473         if (info->ops.prepare == NULL) {
1474                 snd_assert(info->nid, return -EINVAL);
1475                 info->ops.prepare = hda_pcm_default_prepare;
1476         }
1477         if (info->ops.cleanup == NULL) {
1478                 snd_assert(info->nid, return -EINVAL);
1479                 info->ops.cleanup = hda_pcm_default_cleanup;
1480         }
1481         return 0;
1482 }
1483
1484 /**
1485  * snd_hda_build_pcms - build PCM information
1486  * @bus: the BUS
1487  *
1488  * Create PCM information for each codec included in the bus.
1489  *
1490  * The build_pcms codec patch is requested to set up codec->num_pcms and
1491  * codec->pcm_info properly.  The array is referred by the top-level driver
1492  * to create its PCM instances.
1493  * The allocated codec->pcm_info should be released in codec->patch_ops.free
1494  * callback.
1495  *
1496  * At least, substreams, channels_min and channels_max must be filled for
1497  * each stream.  substreams = 0 indicates that the stream doesn't exist.
1498  * When rates and/or formats are zero, the supported values are queried
1499  * from the given nid.  The nid is used also by the default ops.prepare
1500  * and ops.cleanup callbacks.
1501  *
1502  * The driver needs to call ops.open in its open callback.  Similarly,
1503  * ops.close is supposed to be called in the close callback.
1504  * ops.prepare should be called in the prepare or hw_params callback
1505  * with the proper parameters for set up.
1506  * ops.cleanup should be called in hw_free for clean up of streams.
1507  *
1508  * This function returns 0 if successfull, or a negative error code.
1509  */
1510 int snd_hda_build_pcms(struct hda_bus *bus)
1511 {
1512         struct list_head *p;
1513
1514         list_for_each(p, &bus->codec_list) {
1515                 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
1516                 unsigned int pcm, s;
1517                 int err;
1518                 if (! codec->patch_ops.build_pcms)
1519                         continue;
1520                 err = codec->patch_ops.build_pcms(codec);
1521                 if (err < 0)
1522                         return err;
1523                 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
1524                         for (s = 0; s < 2; s++) {
1525                                 struct hda_pcm_stream *info;
1526                                 info = &codec->pcm_info[pcm].stream[s];
1527                                 if (! info->substreams)
1528                                         continue;
1529                                 err = set_pcm_default_values(codec, info);
1530                                 if (err < 0)
1531                                         return err;
1532                         }
1533                 }
1534         }
1535         return 0;
1536 }
1537
1538
1539 /**
1540  * snd_hda_check_board_config - compare the current codec with the config table
1541  * @codec: the HDA codec
1542  * @tbl: configuration table, terminated by null entries
1543  *
1544  * Compares the modelname or PCI subsystem id of the current codec with the
1545  * given configuration table.  If a matching entry is found, returns its
1546  * config value (supposed to be 0 or positive).
1547  *
1548  * If no entries are matching, the function returns a negative value.
1549  */
1550 int snd_hda_check_board_config(struct hda_codec *codec, const struct hda_board_config *tbl)
1551 {
1552         const struct hda_board_config *c;
1553
1554         if (codec->bus->modelname) {
1555                 for (c = tbl; c->modelname || c->pci_subvendor; c++) {
1556                         if (c->modelname &&
1557                             ! strcmp(codec->bus->modelname, c->modelname)) {
1558                                 snd_printd(KERN_INFO "hda_codec: model '%s' is selected\n", c->modelname);
1559                                 return c->config;
1560                         }
1561                 }
1562         }
1563
1564         if (codec->bus->pci) {
1565                 u16 subsystem_vendor, subsystem_device;
1566                 pci_read_config_word(codec->bus->pci, PCI_SUBSYSTEM_VENDOR_ID, &subsystem_vendor);
1567                 pci_read_config_word(codec->bus->pci, PCI_SUBSYSTEM_ID, &subsystem_device);
1568                 for (c = tbl; c->modelname || c->pci_subvendor; c++) {
1569                         if (c->pci_subvendor == subsystem_vendor &&
1570                             (! c->pci_subdevice /* all match */||
1571                              (c->pci_subdevice == subsystem_device))) {
1572                                 snd_printdd(KERN_INFO "hda_codec: PCI %x:%x, codec config %d is selected\n",
1573                                             subsystem_vendor, subsystem_device, c->config);
1574                                 return c->config;
1575                         }
1576                 }
1577         }
1578         return -1;
1579 }
1580
1581 /**
1582  * snd_hda_add_new_ctls - create controls from the array
1583  * @codec: the HDA codec
1584  * @knew: the array of snd_kcontrol_new_t
1585  *
1586  * This helper function creates and add new controls in the given array.
1587  * The array must be terminated with an empty entry as terminator.
1588  *
1589  * Returns 0 if successful, or a negative error code.
1590  */
1591 int snd_hda_add_new_ctls(struct hda_codec *codec, snd_kcontrol_new_t *knew)
1592 {
1593         int err;
1594
1595         for (; knew->name; knew++) {
1596                 err = snd_ctl_add(codec->bus->card, snd_ctl_new1(knew, codec));
1597                 if (err < 0)
1598                         return err;
1599         }
1600         return 0;
1601 }
1602
1603
1604 /*
1605  * input MUX helper
1606  */
1607 int snd_hda_input_mux_info(const struct hda_input_mux *imux, snd_ctl_elem_info_t *uinfo)
1608 {
1609         unsigned int index;
1610
1611         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1612         uinfo->count = 1;
1613         uinfo->value.enumerated.items = imux->num_items;
1614         index = uinfo->value.enumerated.item;
1615         if (index >= imux->num_items)
1616                 index = imux->num_items - 1;
1617         strcpy(uinfo->value.enumerated.name, imux->items[index].label);
1618         return 0;
1619 }
1620
1621 int snd_hda_input_mux_put(struct hda_codec *codec, const struct hda_input_mux *imux,
1622                           snd_ctl_elem_value_t *ucontrol, hda_nid_t nid,
1623                           unsigned int *cur_val)
1624 {
1625         unsigned int idx;
1626
1627         idx = ucontrol->value.enumerated.item[0];
1628         if (idx >= imux->num_items)
1629                 idx = imux->num_items - 1;
1630         if (*cur_val == idx && ! codec->in_resume)
1631                 return 0;
1632         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
1633                             imux->items[idx].index);
1634         *cur_val = idx;
1635         return 1;
1636 }
1637
1638
1639 /*
1640  * Multi-channel / digital-out PCM helper functions
1641  */
1642
1643 /*
1644  * open the digital out in the exclusive mode
1645  */
1646 int snd_hda_multi_out_dig_open(struct hda_codec *codec, struct hda_multi_out *mout)
1647 {
1648         down(&codec->spdif_mutex);
1649         if (mout->dig_out_used) {
1650                 up(&codec->spdif_mutex);
1651                 return -EBUSY; /* already being used */
1652         }
1653         mout->dig_out_used = HDA_DIG_EXCLUSIVE;
1654         up(&codec->spdif_mutex);
1655         return 0;
1656 }
1657
1658 /*
1659  * release the digital out
1660  */
1661 int snd_hda_multi_out_dig_close(struct hda_codec *codec, struct hda_multi_out *mout)
1662 {
1663         down(&codec->spdif_mutex);
1664         mout->dig_out_used = 0;
1665         up(&codec->spdif_mutex);
1666         return 0;
1667 }
1668
1669 /*
1670  * set up more restrictions for analog out
1671  */
1672 int snd_hda_multi_out_analog_open(struct hda_codec *codec, struct hda_multi_out *mout,
1673                                   snd_pcm_substream_t *substream)
1674 {
1675         substream->runtime->hw.channels_max = mout->max_channels;
1676         return snd_pcm_hw_constraint_step(substream->runtime, 0,
1677                                           SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1678 }
1679
1680 /*
1681  * set up the i/o for analog out
1682  * when the digital out is available, copy the front out to digital out, too.
1683  */
1684 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, struct hda_multi_out *mout,
1685                                      unsigned int stream_tag,
1686                                      unsigned int format,
1687                                      snd_pcm_substream_t *substream)
1688 {
1689         hda_nid_t *nids = mout->dac_nids;
1690         int chs = substream->runtime->channels;
1691         int i;
1692
1693         down(&codec->spdif_mutex);
1694         if (mout->dig_out_nid && mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
1695                 if (chs == 2 &&
1696                     snd_hda_is_supported_format(codec, mout->dig_out_nid, format) &&
1697                     ! (codec->spdif_status & IEC958_AES0_NONAUDIO)) {
1698                         mout->dig_out_used = HDA_DIG_ANALOG_DUP;
1699                         /* setup digital receiver */
1700                         snd_hda_codec_setup_stream(codec, mout->dig_out_nid,
1701                                                    stream_tag, 0, format);
1702                 } else {
1703                         mout->dig_out_used = 0;
1704                         snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
1705                 }
1706         }
1707         up(&codec->spdif_mutex);
1708
1709         /* front */
1710         snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag, 0, format);
1711         if (mout->hp_nid)
1712                 /* headphone out will just decode front left/right (stereo) */
1713                 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag, 0, format);
1714         /* surrounds */
1715         for (i = 1; i < mout->num_dacs; i++) {
1716                 if (chs >= (i + 1) * 2) /* independent out */
1717                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag, i * 2,
1718                                                    format);
1719                 else /* copy front */
1720                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag, 0,
1721                                                    format);
1722         }
1723         return 0;
1724 }
1725
1726 /*
1727  * clean up the setting for analog out
1728  */
1729 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec, struct hda_multi_out *mout)
1730 {
1731         hda_nid_t *nids = mout->dac_nids;
1732         int i;
1733
1734         for (i = 0; i < mout->num_dacs; i++)
1735                 snd_hda_codec_setup_stream(codec, nids[i], 0, 0, 0);
1736         if (mout->hp_nid)
1737                 snd_hda_codec_setup_stream(codec, mout->hp_nid, 0, 0, 0);
1738         down(&codec->spdif_mutex);
1739         if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
1740                 snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
1741                 mout->dig_out_used = 0;
1742         }
1743         up(&codec->spdif_mutex);
1744         return 0;
1745 }
1746
1747 /*
1748  * Helper for automatic ping configuration
1749  */
1750 /* parse all pin widgets and store the useful pin nids to cfg */
1751 int snd_hda_parse_pin_def_config(struct hda_codec *codec, struct auto_pin_cfg *cfg)
1752 {
1753         hda_nid_t nid, nid_start;
1754         int i, j, nodes;
1755         short seq, sequences[4], assoc_line_out;
1756
1757         memset(cfg, 0, sizeof(*cfg));
1758
1759         memset(sequences, 0, sizeof(sequences));
1760         assoc_line_out = 0;
1761
1762         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid_start);
1763         for (nid = nid_start; nid < nodes + nid_start; nid++) {
1764                 unsigned int wid_caps = snd_hda_param_read(codec, nid,
1765                                                            AC_PAR_AUDIO_WIDGET_CAP);
1766                 unsigned int wid_type = (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
1767                 unsigned int def_conf;
1768                 short assoc, loc;
1769
1770                 /* read all default configuration for pin complex */
1771                 if (wid_type != AC_WID_PIN)
1772                         continue;
1773                 def_conf = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
1774                 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
1775                         continue;
1776                 loc = get_defcfg_location(def_conf);
1777                 switch (get_defcfg_device(def_conf)) {
1778                 case AC_JACK_LINE_OUT:
1779                 case AC_JACK_SPEAKER:
1780                         seq = get_defcfg_sequence(def_conf);
1781                         assoc = get_defcfg_association(def_conf);
1782                         if (! assoc)
1783                                 continue;
1784                         if (! assoc_line_out)
1785                                 assoc_line_out = assoc;
1786                         else if (assoc_line_out != assoc)
1787                                 continue;
1788                         if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
1789                                 continue;
1790                         cfg->line_out_pins[cfg->line_outs] = nid;
1791                         sequences[cfg->line_outs] = seq;
1792                         cfg->line_outs++;
1793                         break;
1794                 case AC_JACK_HP_OUT:
1795                         cfg->hp_pin = nid;
1796                         break;
1797                 case AC_JACK_MIC_IN:
1798                         if (loc == AC_JACK_LOC_FRONT)
1799                                 cfg->input_pins[AUTO_PIN_FRONT_MIC] = nid;
1800                         else
1801                                 cfg->input_pins[AUTO_PIN_MIC] = nid;
1802                         break;
1803                 case AC_JACK_LINE_IN:
1804                         if (loc == AC_JACK_LOC_FRONT)
1805                                 cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
1806                         else
1807                                 cfg->input_pins[AUTO_PIN_LINE] = nid;
1808                         break;
1809                 case AC_JACK_CD:
1810                         cfg->input_pins[AUTO_PIN_CD] = nid;
1811                         break;
1812                 case AC_JACK_AUX:
1813                         cfg->input_pins[AUTO_PIN_AUX] = nid;
1814                         break;
1815                 case AC_JACK_SPDIF_OUT:
1816                         cfg->dig_out_pin = nid;
1817                         break;
1818                 case AC_JACK_SPDIF_IN:
1819                         cfg->dig_in_pin = nid;
1820                         break;
1821                 }
1822         }
1823
1824         /* sort by sequence */
1825         for (i = 0; i < cfg->line_outs; i++)
1826                 for (j = i + 1; j < cfg->line_outs; j++)
1827                         if (sequences[i] > sequences[j]) {
1828                                 seq = sequences[i];
1829                                 sequences[i] = sequences[j];
1830                                 sequences[j] = seq;
1831                                 nid = cfg->line_out_pins[i];
1832                                 cfg->line_out_pins[i] = cfg->line_out_pins[j];
1833                                 cfg->line_out_pins[j] = nid;
1834                         }
1835
1836         /* Reorder the surround channels
1837          * ALSA sequence is front/surr/clfe/side
1838          * HDA sequence is:
1839          *    4-ch: front/surr  =>  OK as it is
1840          *    6-ch: front/clfe/surr
1841          *    8-ch: front/clfe/side/surr
1842          */
1843         switch (cfg->line_outs) {
1844         case 3:
1845                 nid = cfg->line_out_pins[1];
1846                 cfg->line_out_pins[1] = cfg->line_out_pins[2];
1847                 cfg->line_out_pins[2] = nid;
1848                 break;
1849         case 4:
1850                 nid = cfg->line_out_pins[1];
1851                 cfg->line_out_pins[1] = cfg->line_out_pins[3];
1852                 cfg->line_out_pins[3] = cfg->line_out_pins[2];
1853                 cfg->line_out_pins[2] = nid;
1854                 break;
1855         }
1856
1857         return 0;
1858 }
1859
1860 #ifdef CONFIG_PM
1861 /*
1862  * power management
1863  */
1864
1865 /**
1866  * snd_hda_suspend - suspend the codecs
1867  * @bus: the HDA bus
1868  * @state: suspsend state
1869  *
1870  * Returns 0 if successful.
1871  */
1872 int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
1873 {
1874         struct list_head *p;
1875
1876         /* FIXME: should handle power widget capabilities */
1877         list_for_each(p, &bus->codec_list) {
1878                 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
1879                 if (codec->patch_ops.suspend)
1880                         codec->patch_ops.suspend(codec, state);
1881         }
1882         return 0;
1883 }
1884
1885 /**
1886  * snd_hda_resume - resume the codecs
1887  * @bus: the HDA bus
1888  * @state: resume state
1889  *
1890  * Returns 0 if successful.
1891  */
1892 int snd_hda_resume(struct hda_bus *bus)
1893 {
1894         struct list_head *p;
1895
1896         list_for_each(p, &bus->codec_list) {
1897                 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
1898                 if (codec->patch_ops.resume)
1899                         codec->patch_ops.resume(codec);
1900         }
1901         return 0;
1902 }
1903
1904 /**
1905  * snd_hda_resume_ctls - resume controls in the new control list
1906  * @codec: the HDA codec
1907  * @knew: the array of snd_kcontrol_new_t
1908  *
1909  * This function resumes the mixer controls in the snd_kcontrol_new_t array,
1910  * originally for snd_hda_add_new_ctls().
1911  * The array must be terminated with an empty entry as terminator.
1912  */
1913 int snd_hda_resume_ctls(struct hda_codec *codec, snd_kcontrol_new_t *knew)
1914 {
1915         snd_ctl_elem_value_t *val;
1916
1917         val = kmalloc(sizeof(*val), GFP_KERNEL);
1918         if (! val)
1919                 return -ENOMEM;
1920         codec->in_resume = 1;
1921         for (; knew->name; knew++) {
1922                 int i, count;
1923                 count = knew->count ? knew->count : 1;
1924                 for (i = 0; i < count; i++) {
1925                         memset(val, 0, sizeof(*val));
1926                         val->id.iface = knew->iface;
1927                         val->id.device = knew->device;
1928                         val->id.subdevice = knew->subdevice;
1929                         strcpy(val->id.name, knew->name);
1930                         val->id.index = knew->index ? knew->index : i;
1931                         /* Assume that get callback reads only from cache,
1932                          * not accessing to the real hardware
1933                          */
1934                         if (snd_ctl_elem_read(codec->bus->card, val) < 0)
1935                                 continue;
1936                         snd_ctl_elem_write(codec->bus->card, NULL, val);
1937                 }
1938         }
1939         codec->in_resume = 0;
1940         kfree(val);
1941         return 0;
1942 }
1943
1944 /**
1945  * snd_hda_resume_spdif_out - resume the digital out
1946  * @codec: the HDA codec
1947  */
1948 int snd_hda_resume_spdif_out(struct hda_codec *codec)
1949 {
1950         return snd_hda_resume_ctls(codec, dig_mixes);
1951 }
1952
1953 /**
1954  * snd_hda_resume_spdif_in - resume the digital in
1955  * @codec: the HDA codec
1956  */
1957 int snd_hda_resume_spdif_in(struct hda_codec *codec)
1958 {
1959         return snd_hda_resume_ctls(codec, dig_in_ctls);
1960 }
1961 #endif
1962
1963 /*
1964  * symbols exported for controller modules
1965  */
1966 EXPORT_SYMBOL(snd_hda_codec_read);
1967 EXPORT_SYMBOL(snd_hda_codec_write);
1968 EXPORT_SYMBOL(snd_hda_sequence_write);
1969 EXPORT_SYMBOL(snd_hda_get_sub_nodes);
1970 EXPORT_SYMBOL(snd_hda_queue_unsol_event);
1971 EXPORT_SYMBOL(snd_hda_bus_new);
1972 EXPORT_SYMBOL(snd_hda_codec_new);
1973 EXPORT_SYMBOL(snd_hda_codec_setup_stream);
1974 EXPORT_SYMBOL(snd_hda_calc_stream_format);
1975 EXPORT_SYMBOL(snd_hda_build_pcms);
1976 EXPORT_SYMBOL(snd_hda_build_controls);
1977 #ifdef CONFIG_PM
1978 EXPORT_SYMBOL(snd_hda_suspend);
1979 EXPORT_SYMBOL(snd_hda_resume);
1980 #endif
1981
1982 /*
1983  *  INIT part
1984  */
1985
1986 static int __init alsa_hda_init(void)
1987 {
1988         return 0;
1989 }
1990
1991 static void __exit alsa_hda_exit(void)
1992 {
1993 }
1994
1995 module_init(alsa_hda_init)
1996 module_exit(alsa_hda_exit)