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