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