git.oblomov.eu Git - linux-2.6/blob - sound/pci/hda/hda_codec.c

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