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

   1 /*
   2  * Universal Interface for Intel High Definition Audio Codec
   3  *
   4  * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
   5  *
   6  *
   7  *  This driver is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This driver is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  20  */
  21
  22 #include <sound/driver.h>
  23 #include <linux/init.h>
  24 #include <linux/delay.h>
  25 #include <linux/slab.h>
  26 #include <linux/pci.h>
  27 #include <linux/mutex.h>
  28 #include <sound/core.h>
  29 #include "hda_codec.h"
  30 #include <sound/asoundef.h>
  31 #include <sound/tlv.h>
  32 #include <sound/initval.h>
  33 #include "hda_local.h"
  34 #include <sound/hda_hwdep.h>
  35
  36 #ifdef CONFIG_SND_HDA_POWER_SAVE
  37 /* define this option here to hide as static */
  38 static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
  39 module_param(power_save, int, 0644);
  40 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
  41                  "(in second, 0 = disable).");
  42 #endif
  43
  44 /*
  45  * vendor / preset table
  46  */
  47
  48 struct hda_vendor_id {
  49         unsigned int id;
  50         const char *name;
  51 };
  52
  53 /* codec vendor labels */
  54 static struct hda_vendor_id hda_vendor_ids[] = {
  55         { 0x10ec, "Realtek" },
  56         { 0x1057, "Motorola" },
  57         { 0x1106, "VIA" },
  58         { 0x11d4, "Analog Devices" },
  59         { 0x13f6, "C-Media" },
  60         { 0x14f1, "Conexant" },
  61         { 0x434d, "C-Media" },
  62         { 0x8384, "SigmaTel" },
  63         {} /* terminator */
  64 };
  65
  66 /* codec presets */
  67 #include "hda_patch.h"
  68
  69
  70 #ifdef CONFIG_SND_HDA_POWER_SAVE
  71 static void hda_power_work(struct work_struct *work);
  72 static void hda_keep_power_on(struct hda_codec *codec);
  73 #else
  74 static inline void hda_keep_power_on(struct hda_codec *codec) {}
  75 #endif
  76
  77 /**
  78  * snd_hda_codec_read - send a command and get the response
  79  * @codec: the HDA codec
  80  * @nid: NID to send the command
  81  * @direct: direct flag
  82  * @verb: the verb to send
  83  * @parm: the parameter for the verb
  84  *
  85  * Send a single command and read the corresponding response.
  86  *
  87  * Returns the obtained response value, or -1 for an error.
  88  */
  89 unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
  90                                 int direct,
  91                                 unsigned int verb, unsigned int parm)
  92 {
  93         unsigned int res;
  94         snd_hda_power_up(codec);
  95         mutex_lock(&codec->bus->cmd_mutex);
  96         if (!codec->bus->ops.command(codec, nid, direct, verb, parm))
  97                 res = codec->bus->ops.get_response(codec);
  98         else
  99                 res = (unsigned int)-1;
 100         mutex_unlock(&codec->bus->cmd_mutex);
 101         snd_hda_power_down(codec);
 102         return res;
 103 }
 104
 105 /**
 106  * snd_hda_codec_write - send a single command without waiting for response
 107  * @codec: the HDA codec
 108  * @nid: NID to send the command
 109  * @direct: direct flag
 110  * @verb: the verb to send
 111  * @parm: the parameter for the verb
 112  *
 113  * Send a single command without waiting for response.
 114  *
 115  * Returns 0 if successful, or a negative error code.
 116  */
 117 int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
 118                          unsigned int verb, unsigned int parm)
 119 {
 120         int err;
 121         snd_hda_power_up(codec);
 122         mutex_lock(&codec->bus->cmd_mutex);
 123         err = codec->bus->ops.command(codec, nid, direct, verb, parm);
 124         mutex_unlock(&codec->bus->cmd_mutex);
 125         snd_hda_power_down(codec);
 126         return err;
 127 }
 128
 129 /**
 130  * snd_hda_sequence_write - sequence writes
 131  * @codec: the HDA codec
 132  * @seq: VERB array to send
 133  *
 134  * Send the commands sequentially from the given array.
 135  * The array must be terminated with NID=0.
 136  */
 137 void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
 138 {
 139         for (; seq->nid; seq++)
 140                 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
 141 }
 142
 143 /**
 144  * snd_hda_get_sub_nodes - get the range of sub nodes
 145  * @codec: the HDA codec
 146  * @nid: NID to parse
 147  * @start_id: the pointer to store the start NID
 148  *
 149  * Parse the NID and store the start NID of its sub-nodes.
 150  * Returns the number of sub-nodes.
 151  */
 152 int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
 153                           hda_nid_t *start_id)
 154 {
 155         unsigned int parm;
 156
 157         parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
 158         if (parm == -1)
 159                 return 0;
 160         *start_id = (parm >> 16) & 0x7fff;
 161         return (int)(parm & 0x7fff);
 162 }
 163
 164 /**
 165  * snd_hda_get_connections - get connection list
 166  * @codec: the HDA codec
 167  * @nid: NID to parse
 168  * @conn_list: connection list array
 169  * @max_conns: max. number of connections to store
 170  *
 171  * Parses the connection list of the given widget and stores the list
 172  * of NIDs.
 173  *
 174  * Returns the number of connections, or a negative error code.
 175  */
 176 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
 177                             hda_nid_t *conn_list, int max_conns)
 178 {
 179         unsigned int parm;
 180         int i, conn_len, conns;
 181         unsigned int shift, num_elems, mask;
 182         hda_nid_t prev_nid;
 183
 184         snd_assert(conn_list && max_conns > 0, return -EINVAL);
 185
 186         parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN);
 187         if (parm & AC_CLIST_LONG) {
 188                 /* long form */
 189                 shift = 16;
 190                 num_elems = 2;
 191         } else {
 192                 /* short form */
 193                 shift = 8;
 194                 num_elems = 4;
 195         }
 196         conn_len = parm & AC_CLIST_LENGTH;
 197         mask = (1 << (shift-1)) - 1;
 198
 199         if (!conn_len)
 200                 return 0; /* no connection */
 201
 202         if (conn_len == 1) {
 203                 /* single connection */
 204                 parm = snd_hda_codec_read(codec, nid, 0,
 205                                           AC_VERB_GET_CONNECT_LIST, 0);
 206                 conn_list[0] = parm & mask;
 207                 return 1;
 208         }
 209
 210         /* multi connection */
 211         conns = 0;
 212         prev_nid = 0;
 213         for (i = 0; i < conn_len; i++) {
 214                 int range_val;
 215                 hda_nid_t val, n;
 216
 217                 if (i % num_elems == 0)
 218                         parm = snd_hda_codec_read(codec, nid, 0,
 219                                                   AC_VERB_GET_CONNECT_LIST, i);
 220                 range_val = !!(parm & (1 << (shift-1))); /* ranges */
 221                 val = parm & mask;
 222                 parm >>= shift;
 223                 if (range_val) {
 224                         /* ranges between the previous and this one */
 225                         if (!prev_nid || prev_nid >= val) {
 226                                 snd_printk(KERN_WARNING "hda_codec: "
 227                                            "invalid dep_range_val %x:%x\n",
 228                                            prev_nid, val);
 229                                 continue;
 230                         }
 231                         for (n = prev_nid + 1; n <= val; n++) {
 232                                 if (conns >= max_conns) {
 233                                         snd_printk(KERN_ERR
 234                                                    "Too many connections\n");
 235                                         return -EINVAL;
 236                                 }
 237                                 conn_list[conns++] = n;
 238                         }
 239                 } else {
 240                         if (conns >= max_conns) {
 241                                 snd_printk(KERN_ERR "Too many connections\n");
 242                                 return -EINVAL;
 243                         }
 244                         conn_list[conns++] = val;
 245                 }
 246                 prev_nid = val;
 247         }
 248         return conns;
 249 }
 250
 251
 252 /**
 253  * snd_hda_queue_unsol_event - add an unsolicited event to queue
 254  * @bus: the BUS
 255  * @res: unsolicited event (lower 32bit of RIRB entry)
 256  * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
 257  *
 258  * Adds the given event to the queue.  The events are processed in
 259  * the workqueue asynchronously.  Call this function in the interrupt
 260  * hanlder when RIRB receives an unsolicited event.
 261  *
 262  * Returns 0 if successful, or a negative error code.
 263  */
 264 int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
 265 {
 266         struct hda_bus_unsolicited *unsol;
 267         unsigned int wp;
 268
 269         unsol = bus->unsol;
 270         if (!unsol)
 271                 return 0;
 272
 273         wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
 274         unsol->wp = wp;
 275
 276         wp <<= 1;
 277         unsol->queue[wp] = res;
 278         unsol->queue[wp + 1] = res_ex;
 279
 280         schedule_work(&unsol->work);
 281
 282         return 0;
 283 }
 284
 285 /*
 286  * process queueud unsolicited events
 287  */
 288 static void process_unsol_events(struct work_struct *work)
 289 {
 290         struct hda_bus_unsolicited *unsol =
 291                 container_of(work, struct hda_bus_unsolicited, work);
 292         struct hda_bus *bus = unsol->bus;
 293         struct hda_codec *codec;
 294         unsigned int rp, caddr, res;
 295
 296         while (unsol->rp != unsol->wp) {
 297                 rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE;
 298                 unsol->rp = rp;
 299                 rp <<= 1;
 300                 res = unsol->queue[rp];
 301                 caddr = unsol->queue[rp + 1];
 302                 if (!(caddr & (1 << 4))) /* no unsolicited event? */
 303                         continue;
 304                 codec = bus->caddr_tbl[caddr & 0x0f];
 305                 if (codec && codec->patch_ops.unsol_event)
 306                         codec->patch_ops.unsol_event(codec, res);
 307         }
 308 }
 309
 310 /*
 311  * initialize unsolicited queue
 312  */
 313 static int __devinit init_unsol_queue(struct hda_bus *bus)
 314 {
 315         struct hda_bus_unsolicited *unsol;
 316
 317         if (bus->unsol) /* already initialized */
 318                 return 0;
 319
 320         unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
 321         if (!unsol) {
 322                 snd_printk(KERN_ERR "hda_codec: "
 323                            "can't allocate unsolicited queue\n");
 324                 return -ENOMEM;
 325         }
 326         INIT_WORK(&unsol->work, process_unsol_events);
 327         unsol->bus = bus;
 328         bus->unsol = unsol;
 329         return 0;
 330 }
 331
 332 /*
 333  * destructor
 334  */
 335 static void snd_hda_codec_free(struct hda_codec *codec);
 336
 337 static int snd_hda_bus_free(struct hda_bus *bus)
 338 {
 339         struct hda_codec *codec, *n;
 340
 341         if (!bus)
 342                 return 0;
 343         if (bus->unsol) {
 344                 flush_scheduled_work();
 345                 kfree(bus->unsol);
 346         }
 347         list_for_each_entry_safe(codec, n, &bus->codec_list, list) {
 348                 snd_hda_codec_free(codec);
 349         }
 350         if (bus->ops.private_free)
 351                 bus->ops.private_free(bus);
 352         kfree(bus);
 353         return 0;
 354 }
 355
 356 static int snd_hda_bus_dev_free(struct snd_device *device)
 357 {
 358         struct hda_bus *bus = device->device_data;
 359         return snd_hda_bus_free(bus);
 360 }
 361
 362 /**
 363  * snd_hda_bus_new - create a HDA bus
 364  * @card: the card entry
 365  * @temp: the template for hda_bus information
 366  * @busp: the pointer to store the created bus instance
 367  *
 368  * Returns 0 if successful, or a negative error code.
 369  */
 370 int __devinit snd_hda_bus_new(struct snd_card *card,
 371                               const struct hda_bus_template *temp,
 372                               struct hda_bus **busp)
 373 {
 374         struct hda_bus *bus;
 375         int err;
 376         static struct snd_device_ops dev_ops = {
 377                 .dev_free = snd_hda_bus_dev_free,
 378         };
 379
 380         snd_assert(temp, return -EINVAL);
 381         snd_assert(temp->ops.command && temp->ops.get_response, return -EINVAL);
 382
 383         if (busp)
 384                 *busp = NULL;
 385
 386         bus = kzalloc(sizeof(*bus), GFP_KERNEL);
 387         if (bus == NULL) {
 388                 snd_printk(KERN_ERR "can't allocate struct hda_bus\n");
 389                 return -ENOMEM;
 390         }
 391
 392         bus->card = card;
 393         bus->private_data = temp->private_data;
 394         bus->pci = temp->pci;
 395         bus->modelname = temp->modelname;
 396         bus->ops = temp->ops;
 397
 398         mutex_init(&bus->cmd_mutex);
 399         INIT_LIST_HEAD(&bus->codec_list);
 400
 401         err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
 402         if (err < 0) {
 403                 snd_hda_bus_free(bus);
 404                 return err;
 405         }
 406         if (busp)
 407                 *busp = bus;
 408         return 0;
 409 }
 410
 411 #ifdef CONFIG_SND_HDA_GENERIC
 412 #define is_generic_config(codec) \
 413         (codec->bus->modelname && !strcmp(codec->bus->modelname, "generic"))
 414 #else
 415 #define is_generic_config(codec)        0
 416 #endif
 417
 418 /*
 419  * find a matching codec preset
 420  */
 421 static const struct hda_codec_preset __devinit *
 422 find_codec_preset(struct hda_codec *codec)
 423 {
 424         const struct hda_codec_preset **tbl, *preset;
 425
 426         if (is_generic_config(codec))
 427                 return NULL; /* use the generic parser */
 428
 429         for (tbl = hda_preset_tables; *tbl; tbl++) {
 430                 for (preset = *tbl; preset->id; preset++) {
 431                         u32 mask = preset->mask;
 432                         if (!mask)
 433                                 mask = ~0;
 434                         if (preset->id == (codec->vendor_id & mask) &&
 435                             (!preset->rev ||
 436                              preset->rev == codec->revision_id))
 437                                 return preset;
 438                 }
 439         }
 440         return NULL;
 441 }
 442
 443 /*
 444  * snd_hda_get_codec_name - store the codec name
 445  */
 446 void snd_hda_get_codec_name(struct hda_codec *codec,
 447                             char *name, int namelen)
 448 {
 449         const struct hda_vendor_id *c;
 450         const char *vendor = NULL;
 451         u16 vendor_id = codec->vendor_id >> 16;
 452         char tmp[16];
 453
 454         for (c = hda_vendor_ids; c->id; c++) {
 455                 if (c->id == vendor_id) {
 456                         vendor = c->name;
 457                         break;
 458                 }
 459         }
 460         if (!vendor) {
 461                 sprintf(tmp, "Generic %04x", vendor_id);
 462                 vendor = tmp;
 463         }
 464         if (codec->preset && codec->preset->name)
 465                 snprintf(name, namelen, "%s %s", vendor, codec->preset->name);
 466         else
 467                 snprintf(name, namelen, "%s ID %x", vendor,
 468                          codec->vendor_id & 0xffff);
 469 }
 470
 471 /*
 472  * look for an AFG and MFG nodes
 473  */
 474 static void __devinit setup_fg_nodes(struct hda_codec *codec)
 475 {
 476         int i, total_nodes;
 477         hda_nid_t nid;
 478
 479         total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
 480         for (i = 0; i < total_nodes; i++, nid++) {
 481                 unsigned int func;
 482                 func = snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE);
 483                 switch (func & 0xff) {
 484                 case AC_GRP_AUDIO_FUNCTION:
 485                         codec->afg = nid;
 486                         break;
 487                 case AC_GRP_MODEM_FUNCTION:
 488                         codec->mfg = nid;
 489                         break;
 490                 default:
 491                         break;
 492                 }
 493         }
 494 }
 495
 496 /*
 497  * read widget caps for each widget and store in cache
 498  */
 499 static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
 500 {
 501         int i;
 502         hda_nid_t nid;
 503
 504         codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node,
 505                                                  &codec->start_nid);
 506         codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL);
 507         if (!codec->wcaps)
 508                 return -ENOMEM;
 509         nid = codec->start_nid;
 510         for (i = 0; i < codec->num_nodes; i++, nid++)
 511                 codec->wcaps[i] = snd_hda_param_read(codec, nid,
 512                                                      AC_PAR_AUDIO_WIDGET_CAP);
 513         return 0;
 514 }
 515
 516
 517 static void init_hda_cache(struct hda_cache_rec *cache,
 518                            unsigned int record_size);
 519 static void free_hda_cache(struct hda_cache_rec *cache);
 520
 521 /*
 522  * codec destructor
 523  */
 524 static void snd_hda_codec_free(struct hda_codec *codec)
 525 {
 526         if (!codec)
 527                 return;
 528 #ifdef CONFIG_SND_HDA_POWER_SAVE
 529         cancel_delayed_work(&codec->power_work);
 530         flush_scheduled_work();
 531 #endif
 532         list_del(&codec->list);
 533         codec->bus->caddr_tbl[codec->addr] = NULL;
 534         if (codec->patch_ops.free)
 535                 codec->patch_ops.free(codec);
 536         free_hda_cache(&codec->amp_cache);
 537         free_hda_cache(&codec->cmd_cache);
 538         kfree(codec->wcaps);
 539         kfree(codec);
 540 }
 541
 542 /**
 543  * snd_hda_codec_new - create a HDA codec
 544  * @bus: the bus to assign
 545  * @codec_addr: the codec address
 546  * @codecp: the pointer to store the generated codec
 547  *
 548  * Returns 0 if successful, or a negative error code.
 549  */
 550 int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
 551                                 struct hda_codec **codecp)
 552 {
 553         struct hda_codec *codec;
 554         char component[13];
 555         int err;
 556
 557         snd_assert(bus, return -EINVAL);
 558         snd_assert(codec_addr <= HDA_MAX_CODEC_ADDRESS, return -EINVAL);
 559
 560         if (bus->caddr_tbl[codec_addr]) {
 561                 snd_printk(KERN_ERR "hda_codec: "
 562                            "address 0x%x is already occupied\n", codec_addr);
 563                 return -EBUSY;
 564         }
 565
 566         codec = kzalloc(sizeof(*codec), GFP_KERNEL);
 567         if (codec == NULL) {
 568                 snd_printk(KERN_ERR "can't allocate struct hda_codec\n");
 569                 return -ENOMEM;
 570         }
 571
 572         codec->bus = bus;
 573         codec->addr = codec_addr;
 574         mutex_init(&codec->spdif_mutex);
 575         init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
 576         init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
 577
 578 #ifdef CONFIG_SND_HDA_POWER_SAVE
 579         INIT_DELAYED_WORK(&codec->power_work, hda_power_work);
 580         /* snd_hda_codec_new() marks the codec as power-up, and leave it as is.
 581          * the caller has to power down appropriatley after initialization
 582          * phase.
 583          */
 584         hda_keep_power_on(codec);
 585 #endif
 586
 587         list_add_tail(&codec->list, &bus->codec_list);
 588         bus->caddr_tbl[codec_addr] = codec;
 589
 590         codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 591                                               AC_PAR_VENDOR_ID);
 592         if (codec->vendor_id == -1)
 593                 /* read again, hopefully the access method was corrected
 594                  * in the last read...
 595                  */
 596                 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 597                                                       AC_PAR_VENDOR_ID);
 598         codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 599                                                  AC_PAR_SUBSYSTEM_ID);
 600         codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 601                                                 AC_PAR_REV_ID);
 602
 603         setup_fg_nodes(codec);
 604         if (!codec->afg && !codec->mfg) {
 605                 snd_printdd("hda_codec: no AFG or MFG node found\n");
 606                 snd_hda_codec_free(codec);
 607                 return -ENODEV;
 608         }
 609
 610         if (read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg) < 0) {
 611                 snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
 612                 snd_hda_codec_free(codec);
 613                 return -ENOMEM;
 614         }
 615
 616         if (!codec->subsystem_id) {
 617                 hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
 618                 codec->subsystem_id =
 619                         snd_hda_codec_read(codec, nid, 0,
 620                                            AC_VERB_GET_SUBSYSTEM_ID, 0);
 621         }
 622
 623         codec->preset = find_codec_preset(codec);
 624         /* audio codec should override the mixer name */
 625         if (codec->afg || !*bus->card->mixername)
 626                 snd_hda_get_codec_name(codec, bus->card->mixername,
 627                                        sizeof(bus->card->mixername));
 628
 629 #ifdef CONFIG_SND_HDA_GENERIC
 630         if (is_generic_config(codec)) {
 631                 err = snd_hda_parse_generic_codec(codec);
 632                 goto patched;
 633         }
 634 #endif
 635         if (codec->preset && codec->preset->patch) {
 636                 err = codec->preset->patch(codec);
 637                 goto patched;
 638         }
 639
 640         /* call the default parser */
 641 #ifdef CONFIG_SND_HDA_GENERIC
 642         err = snd_hda_parse_generic_codec(codec);
 643 #else
 644         printk(KERN_ERR "hda-codec: No codec parser is available\n");
 645         err = -ENODEV;
 646 #endif
 647
 648  patched:
 649         if (err < 0) {
 650                 snd_hda_codec_free(codec);
 651                 return err;
 652         }
 653
 654         if (codec->patch_ops.unsol_event)
 655                 init_unsol_queue(bus);
 656
 657         snd_hda_codec_proc_new(codec);
 658 #ifdef CONFIG_SND_HDA_HWDEP
 659         snd_hda_create_hwdep(codec);
 660 #endif
 661
 662         sprintf(component, "HDA:%08x", codec->vendor_id);
 663         snd_component_add(codec->bus->card, component);
 664
 665         if (codecp)
 666                 *codecp = codec;
 667         return 0;
 668 }
 669
 670 /**
 671  * snd_hda_codec_setup_stream - set up the codec for streaming
 672  * @codec: the CODEC to set up
 673  * @nid: the NID to set up
 674  * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
 675  * @channel_id: channel id to pass, zero based.
 676  * @format: stream format.
 677  */
 678 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
 679                                 u32 stream_tag,
 680                                 int channel_id, int format)
 681 {
 682         if (!nid)
 683                 return;
 684
 685         snd_printdd("hda_codec_setup_stream: "
 686                     "NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
 687                     nid, stream_tag, channel_id, format);
 688         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID,
 689                             (stream_tag << 4) | channel_id);
 690         msleep(1);
 691         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
 692 }
 693
 694 /*
 695  * amp access functions
 696  */
 697
 698 /* FIXME: more better hash key? */
 699 #define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
 700 #define INFO_AMP_CAPS   (1<<0)
 701 #define INFO_AMP_VOL(ch)        (1 << (1 + (ch)))
 702
 703 /* initialize the hash table */
 704 static void __devinit init_hda_cache(struct hda_cache_rec *cache,
 705                                      unsigned int record_size)
 706 {
 707         memset(cache, 0, sizeof(*cache));
 708         memset(cache->hash, 0xff, sizeof(cache->hash));
 709         cache->record_size = record_size;
 710 }
 711
 712 static void free_hda_cache(struct hda_cache_rec *cache)
 713 {
 714         kfree(cache->buffer);
 715 }
 716
 717 /* query the hash.  allocate an entry if not found. */
 718 static struct hda_cache_head  *get_alloc_hash(struct hda_cache_rec *cache,
 719                                               u32 key)
 720 {
 721         u16 idx = key % (u16)ARRAY_SIZE(cache->hash);
 722         u16 cur = cache->hash[idx];
 723         struct hda_cache_head *info;
 724
 725         while (cur != 0xffff) {
 726                 info = (struct hda_cache_head *)(cache->buffer +
 727                                                  cur * cache->record_size);
 728                 if (info->key == key)
 729                         return info;
 730                 cur = info->next;
 731         }
 732
 733         /* add a new hash entry */
 734         if (cache->num_entries >= cache->size) {
 735                 /* reallocate the array */
 736                 unsigned int new_size = cache->size + 64;
 737                 void *new_buffer;
 738                 new_buffer = kcalloc(new_size, cache->record_size, GFP_KERNEL);
 739                 if (!new_buffer) {
 740                         snd_printk(KERN_ERR "hda_codec: "
 741                                    "can't malloc amp_info\n");
 742                         return NULL;
 743                 }
 744                 if (cache->buffer) {
 745                         memcpy(new_buffer, cache->buffer,
 746                                cache->size * cache->record_size);
 747                         kfree(cache->buffer);
 748                 }
 749                 cache->size = new_size;
 750                 cache->buffer = new_buffer;
 751         }
 752         cur = cache->num_entries++;
 753         info = (struct hda_cache_head *)(cache->buffer +
 754                                          cur * cache->record_size);
 755         info->key = key;
 756         info->val = 0;
 757         info->next = cache->hash[idx];
 758         cache->hash[idx] = cur;
 759
 760         return info;
 761 }
 762
 763 /* query and allocate an amp hash entry */
 764 static inline struct hda_amp_info *
 765 get_alloc_amp_hash(struct hda_codec *codec, u32 key)
 766 {
 767         return (struct hda_amp_info *)get_alloc_hash(&codec->amp_cache, key);
 768 }
 769
 770 /*
 771  * query AMP capabilities for the given widget and direction
 772  */
 773 static u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
 774 {
 775         struct hda_amp_info *info;
 776
 777         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0));
 778         if (!info)
 779                 return 0;
 780         if (!(info->head.val & INFO_AMP_CAPS)) {
 781                 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
 782                         nid = codec->afg;
 783                 info->amp_caps = snd_hda_param_read(codec, nid,
 784                                                     direction == HDA_OUTPUT ?
 785                                                     AC_PAR_AMP_OUT_CAP :
 786                                                     AC_PAR_AMP_IN_CAP);
 787                 if (info->amp_caps)
 788                         info->head.val |= INFO_AMP_CAPS;
 789         }
 790         return info->amp_caps;
 791 }
 792
 793 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
 794                               unsigned int caps)
 795 {
 796         struct hda_amp_info *info;
 797
 798         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, dir, 0));
 799         if (!info)
 800                 return -EINVAL;
 801         info->amp_caps = caps;
 802         info->head.val |= INFO_AMP_CAPS;
 803         return 0;
 804 }
 805
 806 /*
 807  * read the current volume to info
 808  * if the cache exists, read the cache value.
 809  */
 810 static unsigned int get_vol_mute(struct hda_codec *codec,
 811                                  struct hda_amp_info *info, hda_nid_t nid,
 812                                  int ch, int direction, int index)
 813 {
 814         u32 val, parm;
 815
 816         if (info->head.val & INFO_AMP_VOL(ch))
 817                 return info->vol[ch];
 818
 819         parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
 820         parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
 821         parm |= index;
 822         val = snd_hda_codec_read(codec, nid, 0,
 823                                  AC_VERB_GET_AMP_GAIN_MUTE, parm);
 824         info->vol[ch] = val & 0xff;
 825         info->head.val |= INFO_AMP_VOL(ch);
 826         return info->vol[ch];
 827 }
 828
 829 /*
 830  * write the current volume in info to the h/w and update the cache
 831  */
 832 static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
 833                          hda_nid_t nid, int ch, int direction, int index,
 834                          int val)
 835 {
 836         u32 parm;
 837
 838         parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
 839         parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
 840         parm |= index << AC_AMP_SET_INDEX_SHIFT;
 841         parm |= val;
 842         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
 843         info->vol[ch] = val;
 844 }
 845
 846 /*
 847  * read AMP value.  The volume is between 0 to 0x7f, 0x80 = mute bit.
 848  */
 849 int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
 850                            int direction, int index)
 851 {
 852         struct hda_amp_info *info;
 853         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
 854         if (!info)
 855                 return 0;
 856         return get_vol_mute(codec, info, nid, ch, direction, index);
 857 }
 858
 859 /*
 860  * update the AMP value, mask = bit mask to set, val = the value
 861  */
 862 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
 863                              int direction, int idx, int mask, int val)
 864 {
 865         struct hda_amp_info *info;
 866
 867         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx));
 868         if (!info)
 869                 return 0;
 870         val &= mask;
 871         val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask;
 872         if (info->vol[ch] == val)
 873                 return 0;
 874         put_vol_mute(codec, info, nid, ch, direction, idx, val);
 875         return 1;
 876 }
 877
 878 /*
 879  * update the AMP stereo with the same mask and value
 880  */
 881 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
 882                              int direction, int idx, int mask, int val)
 883 {
 884         int ch, ret = 0;
 885         for (ch = 0; ch < 2; ch++)
 886                 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
 887                                                 idx, mask, val);
 888         return ret;
 889 }
 890
 891 #ifdef SND_HDA_NEEDS_RESUME
 892 /* resume the all amp commands from the cache */
 893 void snd_hda_codec_resume_amp(struct hda_codec *codec)
 894 {
 895         struct hda_amp_info *buffer = codec->amp_cache.buffer;
 896         int i;
 897
 898         for (i = 0; i < codec->amp_cache.size; i++, buffer++) {
 899                 u32 key = buffer->head.key;
 900                 hda_nid_t nid;
 901                 unsigned int idx, dir, ch;
 902                 if (!key)
 903                         continue;
 904                 nid = key & 0xff;
 905                 idx = (key >> 16) & 0xff;
 906                 dir = (key >> 24) & 0xff;
 907                 for (ch = 0; ch < 2; ch++) {
 908                         if (!(buffer->head.val & INFO_AMP_VOL(ch)))
 909                                 continue;
 910                         put_vol_mute(codec, buffer, nid, ch, dir, idx,
 911                                      buffer->vol[ch]);
 912                 }
 913         }
 914 }
 915 #endif /* SND_HDA_NEEDS_RESUME */
 916
 917 /*
 918  * AMP control callbacks
 919  */
 920 /* retrieve parameters from private_value */
 921 #define get_amp_nid(kc)         ((kc)->private_value & 0xffff)
 922 #define get_amp_channels(kc)    (((kc)->private_value >> 16) & 0x3)
 923 #define get_amp_direction(kc)   (((kc)->private_value >> 18) & 0x1)
 924 #define get_amp_index(kc)       (((kc)->private_value >> 19) & 0xf)
 925
 926 /* volume */
 927 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
 928                                   struct snd_ctl_elem_info *uinfo)
 929 {
 930         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 931         u16 nid = get_amp_nid(kcontrol);
 932         u8 chs = get_amp_channels(kcontrol);
 933         int dir = get_amp_direction(kcontrol);
 934         u32 caps;
 935
 936         caps = query_amp_caps(codec, nid, dir);
 937         /* num steps */
 938         caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
 939         if (!caps) {
 940                 printk(KERN_WARNING "hda_codec: "
 941                        "num_steps = 0 for NID=0x%x\n", nid);
 942                 return -EINVAL;
 943         }
 944         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 945         uinfo->count = chs == 3 ? 2 : 1;
 946         uinfo->value.integer.min = 0;
 947         uinfo->value.integer.max = caps;
 948         return 0;
 949 }
 950
 951 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
 952                                  struct snd_ctl_elem_value *ucontrol)
 953 {
 954         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 955         hda_nid_t nid = get_amp_nid(kcontrol);
 956         int chs = get_amp_channels(kcontrol);
 957         int dir = get_amp_direction(kcontrol);
 958         int idx = get_amp_index(kcontrol);
 959         long *valp = ucontrol->value.integer.value;
 960
 961         if (chs & 1)
 962                 *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx)
 963                         & HDA_AMP_VOLMASK;
 964         if (chs & 2)
 965                 *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx)
 966                         & HDA_AMP_VOLMASK;
 967         return 0;
 968 }
 969
 970 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
 971                                  struct snd_ctl_elem_value *ucontrol)
 972 {
 973         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 974         hda_nid_t nid = get_amp_nid(kcontrol);
 975         int chs = get_amp_channels(kcontrol);
 976         int dir = get_amp_direction(kcontrol);
 977         int idx = get_amp_index(kcontrol);
 978         long *valp = ucontrol->value.integer.value;
 979         int change = 0;
 980
 981         snd_hda_power_up(codec);
 982         if (chs & 1) {
 983                 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
 984                                                   0x7f, *valp);
 985                 valp++;
 986         }
 987         if (chs & 2)
 988                 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
 989                                                    0x7f, *valp);
 990         snd_hda_power_down(codec);
 991         return change;
 992 }
 993
 994 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
 995                           unsigned int size, unsigned int __user *_tlv)
 996 {
 997         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 998         hda_nid_t nid = get_amp_nid(kcontrol);
 999         int dir = get_amp_direction(kcontrol);
1000         u32 caps, val1, val2;
1001
1002         if (size < 4 * sizeof(unsigned int))
1003                 return -ENOMEM;
1004         caps = query_amp_caps(codec, nid, dir);
1005         val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1006         val2 = (val2 + 1) * 25;
1007         val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1008         val1 = ((int)val1) * ((int)val2);
1009         if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
1010                 return -EFAULT;
1011         if (put_user(2 * sizeof(unsigned int), _tlv + 1))
1012                 return -EFAULT;
1013         if (put_user(val1, _tlv + 2))
1014                 return -EFAULT;
1015         if (put_user(val2, _tlv + 3))
1016                 return -EFAULT;
1017         return 0;
1018 }
1019
1020 /* switch */
1021 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
1022                                   struct snd_ctl_elem_info *uinfo)
1023 {
1024         int chs = get_amp_channels(kcontrol);
1025
1026         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1027         uinfo->count = chs == 3 ? 2 : 1;
1028         uinfo->value.integer.min = 0;
1029         uinfo->value.integer.max = 1;
1030         return 0;
1031 }
1032
1033 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
1034                                  struct snd_ctl_elem_value *ucontrol)
1035 {
1036         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1037         hda_nid_t nid = get_amp_nid(kcontrol);
1038         int chs = get_amp_channels(kcontrol);
1039         int dir = get_amp_direction(kcontrol);
1040         int idx = get_amp_index(kcontrol);
1041         long *valp = ucontrol->value.integer.value;
1042
1043         if (chs & 1)
1044                 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
1045                            HDA_AMP_MUTE) ? 0 : 1;
1046         if (chs & 2)
1047                 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
1048                          HDA_AMP_MUTE) ? 0 : 1;
1049         return 0;
1050 }
1051
1052 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
1053                                  struct snd_ctl_elem_value *ucontrol)
1054 {
1055         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1056         hda_nid_t nid = get_amp_nid(kcontrol);
1057         int chs = get_amp_channels(kcontrol);
1058         int dir = get_amp_direction(kcontrol);
1059         int idx = get_amp_index(kcontrol);
1060         long *valp = ucontrol->value.integer.value;
1061         int change = 0;
1062
1063         snd_hda_power_up(codec);
1064         if (chs & 1) {
1065                 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
1066                                                   HDA_AMP_MUTE,
1067                                                   *valp ? 0 : HDA_AMP_MUTE);
1068                 valp++;
1069         }
1070         if (chs & 2)
1071                 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
1072                                                    HDA_AMP_MUTE,
1073                                                    *valp ? 0 : HDA_AMP_MUTE);
1074 #ifdef CONFIG_SND_HDA_POWER_SAVE
1075         if (codec->patch_ops.check_power_status)
1076                 codec->patch_ops.check_power_status(codec, nid);
1077 #endif
1078         snd_hda_power_down(codec);
1079         return change;
1080 }
1081
1082 /*
1083  * bound volume controls
1084  *
1085  * bind multiple volumes (# indices, from 0)
1086  */
1087
1088 #define AMP_VAL_IDX_SHIFT       19
1089 #define AMP_VAL_IDX_MASK        (0x0f<<19)
1090
1091 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
1092                                   struct snd_ctl_elem_value *ucontrol)
1093 {
1094         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1095         unsigned long pval;
1096         int err;
1097
1098         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1099         pval = kcontrol->private_value;
1100         kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
1101         err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
1102         kcontrol->private_value = pval;
1103         mutex_unlock(&codec->spdif_mutex);
1104         return err;
1105 }
1106
1107 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
1108                                   struct snd_ctl_elem_value *ucontrol)
1109 {
1110         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1111         unsigned long pval;
1112         int i, indices, err = 0, change = 0;
1113
1114         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1115         pval = kcontrol->private_value;
1116         indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
1117         for (i = 0; i < indices; i++) {
1118                 kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) |
1119                         (i << AMP_VAL_IDX_SHIFT);
1120                 err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
1121                 if (err < 0)
1122                         break;
1123                 change |= err;
1124         }
1125         kcontrol->private_value = pval;
1126         mutex_unlock(&codec->spdif_mutex);
1127         return err < 0 ? err : change;
1128 }
1129
1130 /*
1131  * generic bound volume/swtich controls
1132  */
1133 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
1134                                  struct snd_ctl_elem_info *uinfo)
1135 {
1136         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1137         struct hda_bind_ctls *c;
1138         int err;
1139
1140         c = (struct hda_bind_ctls *)kcontrol->private_value;
1141         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1142         kcontrol->private_value = *c->values;
1143         err = c->ops->info(kcontrol, uinfo);
1144         kcontrol->private_value = (long)c;
1145         mutex_unlock(&codec->spdif_mutex);
1146         return err;
1147 }
1148
1149 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
1150                                 struct snd_ctl_elem_value *ucontrol)
1151 {
1152         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1153         struct hda_bind_ctls *c;
1154         int err;
1155
1156         c = (struct hda_bind_ctls *)kcontrol->private_value;
1157         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1158         kcontrol->private_value = *c->values;
1159         err = c->ops->get(kcontrol, ucontrol);
1160         kcontrol->private_value = (long)c;
1161         mutex_unlock(&codec->spdif_mutex);
1162         return err;
1163 }
1164
1165 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
1166                                 struct snd_ctl_elem_value *ucontrol)
1167 {
1168         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1169         struct hda_bind_ctls *c;
1170         unsigned long *vals;
1171         int err = 0, change = 0;
1172
1173         c = (struct hda_bind_ctls *)kcontrol->private_value;
1174         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1175         for (vals = c->values; *vals; vals++) {
1176                 kcontrol->private_value = *vals;
1177                 err = c->ops->put(kcontrol, ucontrol);
1178                 if (err < 0)
1179                         break;
1180                 change |= err;
1181         }
1182         kcontrol->private_value = (long)c;
1183         mutex_unlock(&codec->spdif_mutex);
1184         return err < 0 ? err : change;
1185 }
1186
1187 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1188                            unsigned int size, unsigned int __user *tlv)
1189 {
1190         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1191         struct hda_bind_ctls *c;
1192         int err;
1193
1194         c = (struct hda_bind_ctls *)kcontrol->private_value;
1195         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1196         kcontrol->private_value = *c->values;
1197         err = c->ops->tlv(kcontrol, op_flag, size, tlv);
1198         kcontrol->private_value = (long)c;
1199         mutex_unlock(&codec->spdif_mutex);
1200         return err;
1201 }
1202
1203 struct hda_ctl_ops snd_hda_bind_vol = {
1204         .info = snd_hda_mixer_amp_volume_info,
1205         .get = snd_hda_mixer_amp_volume_get,
1206         .put = snd_hda_mixer_amp_volume_put,
1207         .tlv = snd_hda_mixer_amp_tlv
1208 };
1209
1210 struct hda_ctl_ops snd_hda_bind_sw = {
1211         .info = snd_hda_mixer_amp_switch_info,
1212         .get = snd_hda_mixer_amp_switch_get,
1213         .put = snd_hda_mixer_amp_switch_put,
1214         .tlv = snd_hda_mixer_amp_tlv
1215 };
1216
1217 /*
1218  * SPDIF out controls
1219  */
1220
1221 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
1222                                    struct snd_ctl_elem_info *uinfo)
1223 {
1224         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1225         uinfo->count = 1;
1226         return 0;
1227 }
1228
1229 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
1230                                    struct snd_ctl_elem_value *ucontrol)
1231 {
1232         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1233                                            IEC958_AES0_NONAUDIO |
1234                                            IEC958_AES0_CON_EMPHASIS_5015 |
1235                                            IEC958_AES0_CON_NOT_COPYRIGHT;
1236         ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
1237                                            IEC958_AES1_CON_ORIGINAL;
1238         return 0;
1239 }
1240
1241 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
1242                                    struct snd_ctl_elem_value *ucontrol)
1243 {
1244         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1245                                            IEC958_AES0_NONAUDIO |
1246                                            IEC958_AES0_PRO_EMPHASIS_5015;
1247         return 0;
1248 }
1249
1250 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
1251                                      struct snd_ctl_elem_value *ucontrol)
1252 {
1253         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1254
1255         ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff;
1256         ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff;
1257         ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff;
1258         ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff;
1259
1260         return 0;
1261 }
1262
1263 /* convert from SPDIF status bits to HDA SPDIF bits
1264  * bit 0 (DigEn) is always set zero (to be filled later)
1265  */
1266 static unsigned short convert_from_spdif_status(unsigned int sbits)
1267 {
1268         unsigned short val = 0;
1269
1270         if (sbits & IEC958_AES0_PROFESSIONAL)
1271                 val |= AC_DIG1_PROFESSIONAL;
1272         if (sbits & IEC958_AES0_NONAUDIO)
1273                 val |= AC_DIG1_NONAUDIO;
1274         if (sbits & IEC958_AES0_PROFESSIONAL) {
1275                 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
1276                     IEC958_AES0_PRO_EMPHASIS_5015)
1277                         val |= AC_DIG1_EMPHASIS;
1278         } else {
1279                 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
1280                     IEC958_AES0_CON_EMPHASIS_5015)
1281                         val |= AC_DIG1_EMPHASIS;
1282                 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
1283                         val |= AC_DIG1_COPYRIGHT;
1284                 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
1285                         val |= AC_DIG1_LEVEL;
1286                 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
1287         }
1288         return val;
1289 }
1290
1291 /* convert to SPDIF status bits from HDA SPDIF bits
1292  */
1293 static unsigned int convert_to_spdif_status(unsigned short val)
1294 {
1295         unsigned int sbits = 0;
1296
1297         if (val & AC_DIG1_NONAUDIO)
1298                 sbits |= IEC958_AES0_NONAUDIO;
1299         if (val & AC_DIG1_PROFESSIONAL)
1300                 sbits |= IEC958_AES0_PROFESSIONAL;
1301         if (sbits & IEC958_AES0_PROFESSIONAL) {
1302                 if (sbits & AC_DIG1_EMPHASIS)
1303                         sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
1304         } else {
1305                 if (val & AC_DIG1_EMPHASIS)
1306                         sbits |= IEC958_AES0_CON_EMPHASIS_5015;
1307                 if (!(val & AC_DIG1_COPYRIGHT))
1308                         sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
1309                 if (val & AC_DIG1_LEVEL)
1310                         sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
1311                 sbits |= val & (0x7f << 8);
1312         }
1313         return sbits;
1314 }
1315
1316 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
1317                                      struct snd_ctl_elem_value *ucontrol)
1318 {
1319         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1320         hda_nid_t nid = kcontrol->private_value;
1321         unsigned short val;
1322         int change;
1323
1324         mutex_lock(&codec->spdif_mutex);
1325         codec->spdif_status = ucontrol->value.iec958.status[0] |
1326                 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
1327                 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
1328                 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
1329         val = convert_from_spdif_status(codec->spdif_status);
1330         val |= codec->spdif_ctls & 1;
1331         change = codec->spdif_ctls != val;
1332         codec->spdif_ctls = val;
1333
1334         if (change) {
1335                 snd_hda_codec_write_cache(codec, nid, 0,
1336                                           AC_VERB_SET_DIGI_CONVERT_1,
1337                                           val & 0xff);
1338                 snd_hda_codec_write_cache(codec, nid, 0,
1339                                           AC_VERB_SET_DIGI_CONVERT_2,
1340                                           val >> 8);
1341         }
1342
1343         mutex_unlock(&codec->spdif_mutex);
1344         return change;
1345 }
1346
1347 #define snd_hda_spdif_out_switch_info   snd_ctl_boolean_mono_info
1348
1349 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
1350                                         struct snd_ctl_elem_value *ucontrol)
1351 {
1352         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1353
1354         ucontrol->value.integer.value[0] = codec->spdif_ctls & AC_DIG1_ENABLE;
1355         return 0;
1356 }
1357
1358 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
1359                                         struct snd_ctl_elem_value *ucontrol)
1360 {
1361         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1362         hda_nid_t nid = kcontrol->private_value;
1363         unsigned short val;
1364         int change;
1365
1366         mutex_lock(&codec->spdif_mutex);
1367         val = codec->spdif_ctls & ~AC_DIG1_ENABLE;
1368         if (ucontrol->value.integer.value[0])
1369                 val |= AC_DIG1_ENABLE;
1370         change = codec->spdif_ctls != val;
1371         if (change) {
1372                 codec->spdif_ctls = val;
1373                 snd_hda_codec_write_cache(codec, nid, 0,
1374                                           AC_VERB_SET_DIGI_CONVERT_1,
1375                                           val & 0xff);
1376                 /* unmute amp switch (if any) */
1377                 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
1378                     (val & AC_DIG1_ENABLE))
1379                         snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
1380                                                  HDA_AMP_MUTE, 0);
1381         }
1382         mutex_unlock(&codec->spdif_mutex);
1383         return change;
1384 }
1385
1386 static struct snd_kcontrol_new dig_mixes[] = {
1387         {
1388                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1389                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1390                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1391                 .info = snd_hda_spdif_mask_info,
1392                 .get = snd_hda_spdif_cmask_get,
1393         },
1394         {
1395                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1396                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1397                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1398                 .info = snd_hda_spdif_mask_info,
1399                 .get = snd_hda_spdif_pmask_get,
1400         },
1401         {
1402                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1403                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1404                 .info = snd_hda_spdif_mask_info,
1405                 .get = snd_hda_spdif_default_get,
1406                 .put = snd_hda_spdif_default_put,
1407         },
1408         {
1409                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1410                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1411                 .info = snd_hda_spdif_out_switch_info,
1412                 .get = snd_hda_spdif_out_switch_get,
1413                 .put = snd_hda_spdif_out_switch_put,
1414         },
1415         { } /* end */
1416 };
1417
1418 /**
1419  * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1420  * @codec: the HDA codec
1421  * @nid: audio out widget NID
1422  *
1423  * Creates controls related with the SPDIF output.
1424  * Called from each patch supporting the SPDIF out.
1425  *
1426  * Returns 0 if successful, or a negative error code.
1427  */
1428 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid)
1429 {
1430         int err;
1431         struct snd_kcontrol *kctl;
1432         struct snd_kcontrol_new *dig_mix;
1433
1434         for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
1435                 kctl = snd_ctl_new1(dig_mix, codec);
1436                 kctl->private_value = nid;
1437                 err = snd_ctl_add(codec->bus->card, kctl);
1438                 if (err < 0)
1439                         return err;
1440         }
1441         codec->spdif_ctls =
1442                 snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0);
1443         codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
1444         return 0;
1445 }
1446
1447 /*
1448  * SPDIF input
1449  */
1450
1451 #define snd_hda_spdif_in_switch_info    snd_hda_spdif_out_switch_info
1452
1453 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
1454                                        struct snd_ctl_elem_value *ucontrol)
1455 {
1456         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1457
1458         ucontrol->value.integer.value[0] = codec->spdif_in_enable;
1459         return 0;
1460 }
1461
1462 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
1463                                        struct snd_ctl_elem_value *ucontrol)
1464 {
1465         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1466         hda_nid_t nid = kcontrol->private_value;
1467         unsigned int val = !!ucontrol->value.integer.value[0];
1468         int change;
1469
1470         mutex_lock(&codec->spdif_mutex);
1471         change = codec->spdif_in_enable != val;
1472         if (change) {
1473                 codec->spdif_in_enable = val;
1474                 snd_hda_codec_write_cache(codec, nid, 0,
1475                                           AC_VERB_SET_DIGI_CONVERT_1, val);
1476         }
1477         mutex_unlock(&codec->spdif_mutex);
1478         return change;
1479 }
1480
1481 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
1482                                        struct snd_ctl_elem_value *ucontrol)
1483 {
1484         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1485         hda_nid_t nid = kcontrol->private_value;
1486         unsigned short val;
1487         unsigned int sbits;
1488
1489         val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0);
1490         sbits = convert_to_spdif_status(val);
1491         ucontrol->value.iec958.status[0] = sbits;
1492         ucontrol->value.iec958.status[1] = sbits >> 8;
1493         ucontrol->value.iec958.status[2] = sbits >> 16;
1494         ucontrol->value.iec958.status[3] = sbits >> 24;
1495         return 0;
1496 }
1497
1498 static struct snd_kcontrol_new dig_in_ctls[] = {
1499         {
1500                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1501                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
1502                 .info = snd_hda_spdif_in_switch_info,
1503                 .get = snd_hda_spdif_in_switch_get,
1504                 .put = snd_hda_spdif_in_switch_put,
1505         },
1506         {
1507                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1508                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1509                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1510                 .info = snd_hda_spdif_mask_info,
1511                 .get = snd_hda_spdif_in_status_get,
1512         },
1513         { } /* end */
1514 };
1515
1516 /**
1517  * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1518  * @codec: the HDA codec
1519  * @nid: audio in widget NID
1520  *
1521  * Creates controls related with the SPDIF input.
1522  * Called from each patch supporting the SPDIF in.
1523  *
1524  * Returns 0 if successful, or a negative error code.
1525  */
1526 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
1527 {
1528         int err;
1529         struct snd_kcontrol *kctl;
1530         struct snd_kcontrol_new *dig_mix;
1531
1532         for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
1533                 kctl = snd_ctl_new1(dig_mix, codec);
1534                 kctl->private_value = nid;
1535                 err = snd_ctl_add(codec->bus->card, kctl);
1536                 if (err < 0)
1537                         return err;
1538         }
1539         codec->spdif_in_enable =
1540                 snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0) &
1541                 AC_DIG1_ENABLE;
1542         return 0;
1543 }
1544
1545 #ifdef SND_HDA_NEEDS_RESUME
1546 /*
1547  * command cache
1548  */
1549
1550 /* build a 32bit cache key with the widget id and the command parameter */
1551 #define build_cmd_cache_key(nid, verb)  ((verb << 8) | nid)
1552 #define get_cmd_cache_nid(key)          ((key) & 0xff)
1553 #define get_cmd_cache_cmd(key)          (((key) >> 8) & 0xffff)
1554
1555 /**
1556  * snd_hda_codec_write_cache - send a single command with caching
1557  * @codec: the HDA codec
1558  * @nid: NID to send the command
1559  * @direct: direct flag
1560  * @verb: the verb to send
1561  * @parm: the parameter for the verb
1562  *
1563  * Send a single command without waiting for response.
1564  *
1565  * Returns 0 if successful, or a negative error code.
1566  */
1567 int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
1568                               int direct, unsigned int verb, unsigned int parm)
1569 {
1570         int err;
1571         snd_hda_power_up(codec);
1572         mutex_lock(&codec->bus->cmd_mutex);
1573         err = codec->bus->ops.command(codec, nid, direct, verb, parm);
1574         if (!err) {
1575                 struct hda_cache_head *c;
1576                 u32 key = build_cmd_cache_key(nid, verb);
1577                 c = get_alloc_hash(&codec->cmd_cache, key);
1578                 if (c)
1579                         c->val = parm;
1580         }
1581         mutex_unlock(&codec->bus->cmd_mutex);
1582         snd_hda_power_down(codec);
1583         return err;
1584 }
1585
1586 /* resume the all commands from the cache */
1587 void snd_hda_codec_resume_cache(struct hda_codec *codec)
1588 {
1589         struct hda_cache_head *buffer = codec->cmd_cache.buffer;
1590         int i;
1591
1592         for (i = 0; i < codec->cmd_cache.size; i++, buffer++) {
1593                 u32 key = buffer->key;
1594                 if (!key)
1595                         continue;
1596                 snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0,
1597                                     get_cmd_cache_cmd(key), buffer->val);
1598         }
1599 }
1600
1601 /**
1602  * snd_hda_sequence_write_cache - sequence writes with caching
1603  * @codec: the HDA codec
1604  * @seq: VERB array to send
1605  *
1606  * Send the commands sequentially from the given array.
1607  * Thte commands are recorded on cache for power-save and resume.
1608  * The array must be terminated with NID=0.
1609  */
1610 void snd_hda_sequence_write_cache(struct hda_codec *codec,
1611                                   const struct hda_verb *seq)
1612 {
1613         for (; seq->nid; seq++)
1614                 snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb,
1615                                           seq->param);
1616 }
1617 #endif /* SND_HDA_NEEDS_RESUME */
1618
1619 /*
1620  * set power state of the codec
1621  */
1622 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
1623                                 unsigned int power_state)
1624 {
1625         hda_nid_t nid;
1626         int i;
1627
1628         snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE,
1629                             power_state);
1630
1631         nid = codec->start_nid;
1632         for (i = 0; i < codec->num_nodes; i++, nid++) {
1633                 if (get_wcaps(codec, nid) & AC_WCAP_POWER) {
1634                         unsigned int pincap;
1635                         /*
1636                          * don't power down the widget if it controls eapd
1637                          * and EAPD_BTLENABLE is set.
1638                          */
1639                         pincap = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
1640                         if (pincap & AC_PINCAP_EAPD) {
1641                                 int eapd = snd_hda_codec_read(codec, nid,
1642                                         0, AC_VERB_GET_EAPD_BTLENABLE, 0);
1643                                 eapd &= 0x02;
1644                                 if (power_state == AC_PWRST_D3 && eapd)
1645                                         continue;
1646                         }
1647                         snd_hda_codec_write(codec, nid, 0,
1648                                             AC_VERB_SET_POWER_STATE,
1649                                             power_state);
1650                 }
1651         }
1652
1653         if (power_state == AC_PWRST_D0) {
1654                 unsigned long end_time;
1655                 int state;
1656                 msleep(10);
1657                 /* wait until the codec reachs to D0 */
1658                 end_time = jiffies + msecs_to_jiffies(500);
1659                 do {
1660                         state = snd_hda_codec_read(codec, fg, 0,
1661                                                    AC_VERB_GET_POWER_STATE, 0);
1662                         if (state == power_state)
1663                                 break;
1664                         msleep(1);
1665                 } while (time_after_eq(end_time, jiffies));
1666         }
1667 }
1668
1669 #ifdef SND_HDA_NEEDS_RESUME
1670 /*
1671  * call suspend and power-down; used both from PM and power-save
1672  */
1673 static void hda_call_codec_suspend(struct hda_codec *codec)
1674 {
1675         if (codec->patch_ops.suspend)
1676                 codec->patch_ops.suspend(codec, PMSG_SUSPEND);
1677         hda_set_power_state(codec,
1678                             codec->afg ? codec->afg : codec->mfg,
1679                             AC_PWRST_D3);
1680 #ifdef CONFIG_SND_HDA_POWER_SAVE
1681         cancel_delayed_work(&codec->power_work);
1682         codec->power_on = 0;
1683         codec->power_transition = 0;
1684 #endif
1685 }
1686
1687 /*
1688  * kick up codec; used both from PM and power-save
1689  */
1690 static void hda_call_codec_resume(struct hda_codec *codec)
1691 {
1692         hda_set_power_state(codec,
1693                             codec->afg ? codec->afg : codec->mfg,
1694                             AC_PWRST_D0);
1695         if (codec->patch_ops.resume)
1696                 codec->patch_ops.resume(codec);
1697         else {
1698                 if (codec->patch_ops.init)
1699                         codec->patch_ops.init(codec);
1700                 snd_hda_codec_resume_amp(codec);
1701                 snd_hda_codec_resume_cache(codec);
1702         }
1703 }
1704 #endif /* SND_HDA_NEEDS_RESUME */
1705
1706
1707 /**
1708  * snd_hda_build_controls - build mixer controls
1709  * @bus: the BUS
1710  *
1711  * Creates mixer controls for each codec included in the bus.
1712  *
1713  * Returns 0 if successful, otherwise a negative error code.
1714  */
1715 int __devinit snd_hda_build_controls(struct hda_bus *bus)
1716 {
1717         struct hda_codec *codec;
1718
1719         list_for_each_entry(codec, &bus->codec_list, list) {
1720                 int err = 0;
1721                 /* fake as if already powered-on */
1722                 hda_keep_power_on(codec);
1723                 /* then fire up */
1724                 hda_set_power_state(codec,
1725                                     codec->afg ? codec->afg : codec->mfg,
1726                                     AC_PWRST_D0);
1727                 /* continue to initialize... */
1728                 if (codec->patch_ops.init)
1729                         err = codec->patch_ops.init(codec);
1730                 if (!err && codec->patch_ops.build_controls)
1731                         err = codec->patch_ops.build_controls(codec);
1732                 snd_hda_power_down(codec);
1733                 if (err < 0)
1734                         return err;
1735         }
1736
1737         return 0;
1738 }
1739
1740 /*
1741  * stream formats
1742  */
1743 struct hda_rate_tbl {
1744         unsigned int hz;
1745         unsigned int alsa_bits;
1746         unsigned int hda_fmt;
1747 };
1748
1749 static struct hda_rate_tbl rate_bits[] = {
1750         /* rate in Hz, ALSA rate bitmask, HDA format value */
1751
1752         /* autodetected value used in snd_hda_query_supported_pcm */
1753         { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
1754         { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
1755         { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
1756         { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
1757         { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
1758         { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
1759         { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
1760         { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
1761         { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
1762         { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
1763         { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
1764 #define AC_PAR_PCM_RATE_BITS    11
1765         /* up to bits 10, 384kHZ isn't supported properly */
1766
1767         /* not autodetected value */
1768         { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
1769
1770         { 0 } /* terminator */
1771 };
1772
1773 /**
1774  * snd_hda_calc_stream_format - calculate format bitset
1775  * @rate: the sample rate
1776  * @channels: the number of channels
1777  * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
1778  * @maxbps: the max. bps
1779  *
1780  * Calculate the format bitset from the given rate, channels and th PCM format.
1781  *
1782  * Return zero if invalid.
1783  */
1784 unsigned int snd_hda_calc_stream_format(unsigned int rate,
1785                                         unsigned int channels,
1786                                         unsigned int format,
1787                                         unsigned int maxbps)
1788 {
1789         int i;
1790         unsigned int val = 0;
1791
1792         for (i = 0; rate_bits[i].hz; i++)
1793                 if (rate_bits[i].hz == rate) {
1794                         val = rate_bits[i].hda_fmt;
1795                         break;
1796                 }
1797         if (!rate_bits[i].hz) {
1798                 snd_printdd("invalid rate %d\n", rate);
1799                 return 0;
1800         }
1801
1802         if (channels == 0 || channels > 8) {
1803                 snd_printdd("invalid channels %d\n", channels);
1804                 return 0;
1805         }
1806         val |= channels - 1;
1807
1808         switch (snd_pcm_format_width(format)) {
1809         case 8:  val |= 0x00; break;
1810         case 16: val |= 0x10; break;
1811         case 20:
1812         case 24:
1813         case 32:
1814                 if (maxbps >= 32)
1815                         val |= 0x40;
1816                 else if (maxbps >= 24)
1817                         val |= 0x30;
1818                 else
1819                         val |= 0x20;
1820                 break;
1821         default:
1822                 snd_printdd("invalid format width %d\n",
1823                             snd_pcm_format_width(format));
1824                 return 0;
1825         }
1826
1827         return val;
1828 }
1829
1830 /**
1831  * snd_hda_query_supported_pcm - query the supported PCM rates and formats
1832  * @codec: the HDA codec
1833  * @nid: NID to query
1834  * @ratesp: the pointer to store the detected rate bitflags
1835  * @formatsp: the pointer to store the detected formats
1836  * @bpsp: the pointer to store the detected format widths
1837  *
1838  * Queries the supported PCM rates and formats.  The NULL @ratesp, @formatsp
1839  * or @bsps argument is ignored.
1840  *
1841  * Returns 0 if successful, otherwise a negative error code.
1842  */
1843 int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
1844                                 u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
1845 {
1846         int i;
1847         unsigned int val, streams;
1848
1849         val = 0;
1850         if (nid != codec->afg &&
1851             (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
1852                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
1853                 if (val == -1)
1854                         return -EIO;
1855         }
1856         if (!val)
1857                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
1858
1859         if (ratesp) {
1860                 u32 rates = 0;
1861                 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) {
1862                         if (val & (1 << i))
1863                                 rates |= rate_bits[i].alsa_bits;
1864                 }
1865                 *ratesp = rates;
1866         }
1867
1868         if (formatsp || bpsp) {
1869                 u64 formats = 0;
1870                 unsigned int bps;
1871                 unsigned int wcaps;
1872
1873                 wcaps = get_wcaps(codec, nid);
1874                 streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
1875                 if (streams == -1)
1876                         return -EIO;
1877                 if (!streams) {
1878                         streams = snd_hda_param_read(codec, codec->afg,
1879                                                      AC_PAR_STREAM);
1880                         if (streams == -1)
1881                                 return -EIO;
1882                 }
1883
1884                 bps = 0;
1885                 if (streams & AC_SUPFMT_PCM) {
1886                         if (val & AC_SUPPCM_BITS_8) {
1887                                 formats |= SNDRV_PCM_FMTBIT_U8;
1888                                 bps = 8;
1889                         }
1890                         if (val & AC_SUPPCM_BITS_16) {
1891                                 formats |= SNDRV_PCM_FMTBIT_S16_LE;
1892                                 bps = 16;
1893                         }
1894                         if (wcaps & AC_WCAP_DIGITAL) {
1895                                 if (val & AC_SUPPCM_BITS_32)
1896                                         formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
1897                                 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
1898                                         formats |= SNDRV_PCM_FMTBIT_S32_LE;
1899                                 if (val & AC_SUPPCM_BITS_24)
1900                                         bps = 24;
1901                                 else if (val & AC_SUPPCM_BITS_20)
1902                                         bps = 20;
1903                         } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|
1904                                           AC_SUPPCM_BITS_32)) {
1905                                 formats |= SNDRV_PCM_FMTBIT_S32_LE;
1906                                 if (val & AC_SUPPCM_BITS_32)
1907                                         bps = 32;
1908                                 else if (val & AC_SUPPCM_BITS_24)
1909                                         bps = 24;
1910                                 else if (val & AC_SUPPCM_BITS_20)
1911                                         bps = 20;
1912                         }
1913                 }
1914                 else if (streams == AC_SUPFMT_FLOAT32) {
1915                         /* should be exclusive */
1916                         formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
1917                         bps = 32;
1918                 } else if (streams == AC_SUPFMT_AC3) {
1919                         /* should be exclusive */
1920                         /* temporary hack: we have still no proper support
1921                          * for the direct AC3 stream...
1922                          */
1923                         formats |= SNDRV_PCM_FMTBIT_U8;
1924                         bps = 8;
1925                 }
1926                 if (formatsp)
1927                         *formatsp = formats;
1928                 if (bpsp)
1929                         *bpsp = bps;
1930         }
1931
1932         return 0;
1933 }
1934
1935 /**
1936  * snd_hda_is_supported_format - check whether the given node supports
1937  * the format val
1938  *
1939  * Returns 1 if supported, 0 if not.
1940  */
1941 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
1942                                 unsigned int format)
1943 {
1944         int i;
1945         unsigned int val = 0, rate, stream;
1946
1947         if (nid != codec->afg &&
1948             (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
1949                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
1950                 if (val == -1)
1951                         return 0;
1952         }
1953         if (!val) {
1954                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
1955                 if (val == -1)
1956                         return 0;
1957         }
1958
1959         rate = format & 0xff00;
1960         for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)
1961                 if (rate_bits[i].hda_fmt == rate) {
1962                         if (val & (1 << i))
1963                                 break;
1964                         return 0;
1965                 }
1966         if (i >= AC_PAR_PCM_RATE_BITS)
1967                 return 0;
1968
1969         stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
1970         if (stream == -1)
1971                 return 0;
1972         if (!stream && nid != codec->afg)
1973                 stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
1974         if (!stream || stream == -1)
1975                 return 0;
1976
1977         if (stream & AC_SUPFMT_PCM) {
1978                 switch (format & 0xf0) {
1979                 case 0x00:
1980                         if (!(val & AC_SUPPCM_BITS_8))
1981                                 return 0;
1982                         break;
1983                 case 0x10:
1984                         if (!(val & AC_SUPPCM_BITS_16))
1985                                 return 0;
1986                         break;
1987                 case 0x20:
1988                         if (!(val & AC_SUPPCM_BITS_20))
1989                                 return 0;
1990                         break;
1991                 case 0x30:
1992                         if (!(val & AC_SUPPCM_BITS_24))
1993                                 return 0;
1994                         break;
1995                 case 0x40:
1996                         if (!(val & AC_SUPPCM_BITS_32))
1997                                 return 0;
1998                         break;
1999                 default:
2000                         return 0;
2001                 }
2002         } else {
2003                 /* FIXME: check for float32 and AC3? */
2004         }
2005
2006         return 1;
2007 }
2008
2009 /*
2010  * PCM stuff
2011  */
2012 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
2013                                       struct hda_codec *codec,
2014                                       struct snd_pcm_substream *substream)
2015 {
2016         return 0;
2017 }
2018
2019 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
2020                                    struct hda_codec *codec,
2021                                    unsigned int stream_tag,
2022                                    unsigned int format,
2023                                    struct snd_pcm_substream *substream)
2024 {
2025         snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
2026         return 0;
2027 }
2028
2029 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
2030                                    struct hda_codec *codec,
2031                                    struct snd_pcm_substream *substream)
2032 {
2033         snd_hda_codec_setup_stream(codec, hinfo->nid, 0, 0, 0);
2034         return 0;
2035 }
2036
2037 static int __devinit set_pcm_default_values(struct hda_codec *codec,
2038                                             struct hda_pcm_stream *info)
2039 {
2040         /* query support PCM information from the given NID */
2041         if (info->nid && (!info->rates || !info->formats)) {
2042                 snd_hda_query_supported_pcm(codec, info->nid,
2043                                 info->rates ? NULL : &info->rates,
2044                                 info->formats ? NULL : &info->formats,
2045                                 info->maxbps ? NULL : &info->maxbps);
2046         }
2047         if (info->ops.open == NULL)
2048                 info->ops.open = hda_pcm_default_open_close;
2049         if (info->ops.close == NULL)
2050                 info->ops.close = hda_pcm_default_open_close;
2051         if (info->ops.prepare == NULL) {
2052                 snd_assert(info->nid, return -EINVAL);
2053                 info->ops.prepare = hda_pcm_default_prepare;
2054         }
2055         if (info->ops.cleanup == NULL) {
2056                 snd_assert(info->nid, return -EINVAL);
2057                 info->ops.cleanup = hda_pcm_default_cleanup;
2058         }
2059         return 0;
2060 }
2061
2062 /**
2063  * snd_hda_build_pcms - build PCM information
2064  * @bus: the BUS
2065  *
2066  * Create PCM information for each codec included in the bus.
2067  *
2068  * The build_pcms codec patch is requested to set up codec->num_pcms and
2069  * codec->pcm_info properly.  The array is referred by the top-level driver
2070  * to create its PCM instances.
2071  * The allocated codec->pcm_info should be released in codec->patch_ops.free
2072  * callback.
2073  *
2074  * At least, substreams, channels_min and channels_max must be filled for
2075  * each stream.  substreams = 0 indicates that the stream doesn't exist.
2076  * When rates and/or formats are zero, the supported values are queried
2077  * from the given nid.  The nid is used also by the default ops.prepare
2078  * and ops.cleanup callbacks.
2079  *
2080  * The driver needs to call ops.open in its open callback.  Similarly,
2081  * ops.close is supposed to be called in the close callback.
2082  * ops.prepare should be called in the prepare or hw_params callback
2083  * with the proper parameters for set up.
2084  * ops.cleanup should be called in hw_free for clean up of streams.
2085  *
2086  * This function returns 0 if successfull, or a negative error code.
2087  */
2088 int __devinit snd_hda_build_pcms(struct hda_bus *bus)
2089 {
2090         struct hda_codec *codec;
2091
2092         list_for_each_entry(codec, &bus->codec_list, list) {
2093                 unsigned int pcm, s;
2094                 int err;
2095                 if (!codec->patch_ops.build_pcms)
2096                         continue;
2097                 err = codec->patch_ops.build_pcms(codec);
2098                 if (err < 0)
2099                         return err;
2100                 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
2101                         for (s = 0; s < 2; s++) {
2102                                 struct hda_pcm_stream *info;
2103                                 info = &codec->pcm_info[pcm].stream[s];
2104                                 if (!info->substreams)
2105                                         continue;
2106                                 err = set_pcm_default_values(codec, info);
2107                                 if (err < 0)
2108                                         return err;
2109                         }
2110                 }
2111         }
2112         return 0;
2113 }
2114
2115 /**
2116  * snd_hda_check_board_config - compare the current codec with the config table
2117  * @codec: the HDA codec
2118  * @num_configs: number of config enums
2119  * @models: array of model name strings
2120  * @tbl: configuration table, terminated by null entries
2121  *
2122  * Compares the modelname or PCI subsystem id of the current codec with the
2123  * given configuration table.  If a matching entry is found, returns its
2124  * config value (supposed to be 0 or positive).
2125  *
2126  * If no entries are matching, the function returns a negative value.
2127  */
2128 int snd_hda_check_board_config(struct hda_codec *codec,
2129                                int num_configs, const char **models,
2130                                const struct snd_pci_quirk *tbl)
2131 {
2132         if (codec->bus->modelname && models) {
2133                 int i;
2134                 for (i = 0; i < num_configs; i++) {
2135                         if (models[i] &&
2136                             !strcmp(codec->bus->modelname, models[i])) {
2137                                 snd_printd(KERN_INFO "hda_codec: model '%s' is "
2138                                            "selected\n", models[i]);
2139                                 return i;
2140                         }
2141                 }
2142         }
2143
2144         if (!codec->bus->pci || !tbl)
2145                 return -1;
2146
2147         tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl);
2148         if (!tbl)
2149                 return -1;
2150         if (tbl->value >= 0 && tbl->value < num_configs) {
2151 #ifdef CONFIG_SND_DEBUG_DETECT
2152                 char tmp[10];
2153                 const char *model = NULL;
2154                 if (models)
2155                         model = models[tbl->value];
2156                 if (!model) {
2157                         sprintf(tmp, "#%d", tbl->value);
2158                         model = tmp;
2159                 }
2160                 snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
2161                             "for config %x:%x (%s)\n",
2162                             model, tbl->subvendor, tbl->subdevice,
2163                             (tbl->name ? tbl->name : "Unknown device"));
2164 #endif
2165                 return tbl->value;
2166         }
2167         return -1;
2168 }
2169
2170 /**
2171  * snd_hda_add_new_ctls - create controls from the array
2172  * @codec: the HDA codec
2173  * @knew: the array of struct snd_kcontrol_new
2174  *
2175  * This helper function creates and add new controls in the given array.
2176  * The array must be terminated with an empty entry as terminator.
2177  *
2178  * Returns 0 if successful, or a negative error code.
2179  */
2180 int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
2181 {
2182         int err;
2183
2184         for (; knew->name; knew++) {
2185                 struct snd_kcontrol *kctl;
2186                 kctl = snd_ctl_new1(knew, codec);
2187                 if (!kctl)
2188                         return -ENOMEM;
2189                 err = snd_ctl_add(codec->bus->card, kctl);
2190                 if (err < 0) {
2191                         if (!codec->addr)
2192                                 return err;
2193                         kctl = snd_ctl_new1(knew, codec);
2194                         if (!kctl)
2195                                 return -ENOMEM;
2196                         kctl->id.device = codec->addr;
2197                         err = snd_ctl_add(codec->bus->card, kctl);
2198                         if (err < 0)
2199                                 return err;
2200                 }
2201         }
2202         return 0;
2203 }
2204
2205 #ifdef CONFIG_SND_HDA_POWER_SAVE
2206 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2207                                 unsigned int power_state);
2208
2209 static void hda_power_work(struct work_struct *work)
2210 {
2211         struct hda_codec *codec =
2212                 container_of(work, struct hda_codec, power_work.work);
2213
2214         if (!codec->power_on || codec->power_count) {
2215                 codec->power_transition = 0;
2216                 return;
2217         }
2218
2219         hda_call_codec_suspend(codec);
2220         if (codec->bus->ops.pm_notify)
2221                 codec->bus->ops.pm_notify(codec);
2222 }
2223
2224 static void hda_keep_power_on(struct hda_codec *codec)
2225 {
2226         codec->power_count++;
2227         codec->power_on = 1;
2228 }
2229
2230 void snd_hda_power_up(struct hda_codec *codec)
2231 {
2232         codec->power_count++;
2233         if (codec->power_on || codec->power_transition)
2234                 return;
2235
2236         codec->power_on = 1;
2237         if (codec->bus->ops.pm_notify)
2238                 codec->bus->ops.pm_notify(codec);
2239         hda_call_codec_resume(codec);
2240         cancel_delayed_work(&codec->power_work);
2241         codec->power_transition = 0;
2242 }
2243
2244 void snd_hda_power_down(struct hda_codec *codec)
2245 {
2246         --codec->power_count;
2247         if (!codec->power_on || codec->power_count || codec->power_transition)
2248                 return;
2249         if (power_save) {
2250                 codec->power_transition = 1; /* avoid reentrance */
2251                 schedule_delayed_work(&codec->power_work,
2252                                       msecs_to_jiffies(power_save * 1000));
2253         }
2254 }
2255
2256 int snd_hda_check_amp_list_power(struct hda_codec *codec,
2257                                  struct hda_loopback_check *check,
2258                                  hda_nid_t nid)
2259 {
2260         struct hda_amp_list *p;
2261         int ch, v;
2262
2263         if (!check->amplist)
2264                 return 0;
2265         for (p = check->amplist; p->nid; p++) {
2266                 if (p->nid == nid)
2267                         break;
2268         }
2269         if (!p->nid)
2270                 return 0; /* nothing changed */
2271
2272         for (p = check->amplist; p->nid; p++) {
2273                 for (ch = 0; ch < 2; ch++) {
2274                         v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
2275                                                    p->idx);
2276                         if (!(v & HDA_AMP_MUTE) && v > 0) {
2277                                 if (!check->power_on) {
2278                                         check->power_on = 1;
2279                                         snd_hda_power_up(codec);
2280                                 }
2281                                 return 1;
2282                         }
2283                 }
2284         }
2285         if (check->power_on) {
2286                 check->power_on = 0;
2287                 snd_hda_power_down(codec);
2288         }
2289         return 0;
2290 }
2291 #endif
2292
2293 /*
2294  * Channel mode helper
2295  */
2296 int snd_hda_ch_mode_info(struct hda_codec *codec,
2297                          struct snd_ctl_elem_info *uinfo,
2298                          const struct hda_channel_mode *chmode,
2299                          int num_chmodes)
2300 {
2301         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2302         uinfo->count = 1;
2303         uinfo->value.enumerated.items = num_chmodes;
2304         if (uinfo->value.enumerated.item >= num_chmodes)
2305                 uinfo->value.enumerated.item = num_chmodes - 1;
2306         sprintf(uinfo->value.enumerated.name, "%dch",
2307                 chmode[uinfo->value.enumerated.item].channels);
2308         return 0;
2309 }
2310
2311 int snd_hda_ch_mode_get(struct hda_codec *codec,
2312                         struct snd_ctl_elem_value *ucontrol,
2313                         const struct hda_channel_mode *chmode,
2314                         int num_chmodes,
2315                         int max_channels)
2316 {
2317         int i;
2318
2319         for (i = 0; i < num_chmodes; i++) {
2320                 if (max_channels == chmode[i].channels) {
2321                         ucontrol->value.enumerated.item[0] = i;
2322                         break;
2323                 }
2324         }
2325         return 0;
2326 }
2327
2328 int snd_hda_ch_mode_put(struct hda_codec *codec,
2329                         struct snd_ctl_elem_value *ucontrol,
2330                         const struct hda_channel_mode *chmode,
2331                         int num_chmodes,
2332                         int *max_channelsp)
2333 {
2334         unsigned int mode;
2335
2336         mode = ucontrol->value.enumerated.item[0];
2337         snd_assert(mode < num_chmodes, return -EINVAL);
2338         if (*max_channelsp == chmode[mode].channels)
2339                 return 0;
2340         /* change the current channel setting */
2341         *max_channelsp = chmode[mode].channels;
2342         if (chmode[mode].sequence)
2343                 snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
2344         return 1;
2345 }
2346
2347 /*
2348  * input MUX helper
2349  */
2350 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
2351                            struct snd_ctl_elem_info *uinfo)
2352 {
2353         unsigned int index;
2354
2355         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2356         uinfo->count = 1;
2357         uinfo->value.enumerated.items = imux->num_items;
2358         if (!imux->num_items)
2359                 return 0;
2360         index = uinfo->value.enumerated.item;
2361         if (index >= imux->num_items)
2362                 index = imux->num_items - 1;
2363         strcpy(uinfo->value.enumerated.name, imux->items[index].label);
2364         return 0;
2365 }
2366
2367 int snd_hda_input_mux_put(struct hda_codec *codec,
2368                           const struct hda_input_mux *imux,
2369                           struct snd_ctl_elem_value *ucontrol,
2370                           hda_nid_t nid,
2371                           unsigned int *cur_val)
2372 {
2373         unsigned int idx;
2374
2375         if (!imux->num_items)
2376                 return 0;
2377         idx = ucontrol->value.enumerated.item[0];
2378         if (idx >= imux->num_items)
2379                 idx = imux->num_items - 1;
2380         if (*cur_val == idx)
2381                 return 0;
2382         snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
2383                                   imux->items[idx].index);
2384         *cur_val = idx;
2385         return 1;
2386 }
2387
2388
2389 /*
2390  * Multi-channel / digital-out PCM helper functions
2391  */
2392
2393 /* setup SPDIF output stream */
2394 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
2395                                  unsigned int stream_tag, unsigned int format)
2396 {
2397         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2398         if (codec->spdif_ctls & AC_DIG1_ENABLE)
2399                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
2400                                     codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
2401         snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
2402         /* turn on again (if needed) */
2403         if (codec->spdif_ctls & AC_DIG1_ENABLE)
2404                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
2405                                     codec->spdif_ctls & 0xff);
2406 }
2407
2408 /*
2409  * open the digital out in the exclusive mode
2410  */
2411 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
2412                                struct hda_multi_out *mout)
2413 {
2414         mutex_lock(&codec->spdif_mutex);
2415         if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
2416                 /* already opened as analog dup; reset it once */
2417                 snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
2418         mout->dig_out_used = HDA_DIG_EXCLUSIVE;
2419         mutex_unlock(&codec->spdif_mutex);
2420         return 0;
2421 }
2422
2423 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
2424                                   struct hda_multi_out *mout,
2425                                   unsigned int stream_tag,
2426                                   unsigned int format,
2427                                   struct snd_pcm_substream *substream)
2428 {
2429         mutex_lock(&codec->spdif_mutex);
2430         setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
2431         mutex_unlock(&codec->spdif_mutex);
2432         return 0;
2433 }
2434
2435 /*
2436  * release the digital out
2437  */
2438 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
2439                                 struct hda_multi_out *mout)
2440 {
2441         mutex_lock(&codec->spdif_mutex);
2442         mout->dig_out_used = 0;
2443         mutex_unlock(&codec->spdif_mutex);
2444         return 0;
2445 }
2446
2447 /*
2448  * set up more restrictions for analog out
2449  */
2450 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
2451                                   struct hda_multi_out *mout,
2452                                   struct snd_pcm_substream *substream)
2453 {
2454         substream->runtime->hw.channels_max = mout->max_channels;
2455         return snd_pcm_hw_constraint_step(substream->runtime, 0,
2456                                           SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2457 }
2458
2459 /*
2460  * set up the i/o for analog out
2461  * when the digital out is available, copy the front out to digital out, too.
2462  */
2463 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
2464                                      struct hda_multi_out *mout,
2465                                      unsigned int stream_tag,
2466                                      unsigned int format,
2467                                      struct snd_pcm_substream *substream)
2468 {
2469         hda_nid_t *nids = mout->dac_nids;
2470         int chs = substream->runtime->channels;
2471         int i;
2472
2473         mutex_lock(&codec->spdif_mutex);
2474         if (mout->dig_out_nid && mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
2475                 if (chs == 2 &&
2476                     snd_hda_is_supported_format(codec, mout->dig_out_nid,
2477                                                 format) &&
2478                     !(codec->spdif_status & IEC958_AES0_NONAUDIO)) {
2479                         mout->dig_out_used = HDA_DIG_ANALOG_DUP;
2480                         setup_dig_out_stream(codec, mout->dig_out_nid,
2481                                              stream_tag, format);
2482                 } else {
2483                         mout->dig_out_used = 0;
2484                         snd_hda_codec_setup_stream(codec, mout->dig_out_nid,
2485                                                    0, 0, 0);
2486                 }
2487         }
2488         mutex_unlock(&codec->spdif_mutex);
2489
2490         /* front */
2491         snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
2492                                    0, format);
2493         if (mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
2494                 /* headphone out will just decode front left/right (stereo) */
2495                 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
2496                                            0, format);
2497         /* extra outputs copied from front */
2498         for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2499                 if (mout->extra_out_nid[i])
2500                         snd_hda_codec_setup_stream(codec,
2501                                                    mout->extra_out_nid[i],
2502                                                    stream_tag, 0, format);
2503
2504         /* surrounds */
2505         for (i = 1; i < mout->num_dacs; i++) {
2506                 if (chs >= (i + 1) * 2) /* independent out */
2507                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2508                                                    i * 2, format);
2509                 else /* copy front */
2510                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2511                                                    0, format);
2512         }
2513         return 0;
2514 }
2515
2516 /*
2517  * clean up the setting for analog out
2518  */
2519 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
2520                                      struct hda_multi_out *mout)
2521 {
2522         hda_nid_t *nids = mout->dac_nids;
2523         int i;
2524
2525         for (i = 0; i < mout->num_dacs; i++)
2526                 snd_hda_codec_setup_stream(codec, nids[i], 0, 0, 0);
2527         if (mout->hp_nid)
2528                 snd_hda_codec_setup_stream(codec, mout->hp_nid, 0, 0, 0);
2529         for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2530                 if (mout->extra_out_nid[i])
2531                         snd_hda_codec_setup_stream(codec,
2532                                                    mout->extra_out_nid[i],
2533                                                    0, 0, 0);
2534         mutex_lock(&codec->spdif_mutex);
2535         if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
2536                 snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
2537                 mout->dig_out_used = 0;
2538         }
2539         mutex_unlock(&codec->spdif_mutex);
2540         return 0;
2541 }
2542
2543 /*
2544  * Helper for automatic ping configuration
2545  */
2546
2547 static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list)
2548 {
2549         for (; *list; list++)
2550                 if (*list == nid)
2551                         return 1;
2552         return 0;
2553 }
2554
2555
2556 /*
2557  * Sort an associated group of pins according to their sequence numbers.
2558  */
2559 static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences,
2560                                   int num_pins)
2561 {
2562         int i, j;
2563         short seq;
2564         hda_nid_t nid;
2565
2566         for (i = 0; i < num_pins; i++) {
2567                 for (j = i + 1; j < num_pins; j++) {
2568                         if (sequences[i] > sequences[j]) {
2569                                 seq = sequences[i];
2570                                 sequences[i] = sequences[j];
2571                                 sequences[j] = seq;
2572                                 nid = pins[i];
2573                                 pins[i] = pins[j];
2574                                 pins[j] = nid;
2575                         }
2576                 }
2577         }
2578 }
2579
2580
2581 /*
2582  * Parse all pin widgets and store the useful pin nids to cfg
2583  *
2584  * The number of line-outs or any primary output is stored in line_outs,
2585  * and the corresponding output pins are assigned to line_out_pins[],
2586  * in the order of front, rear, CLFE, side, ...
2587  *
2588  * If more extra outputs (speaker and headphone) are found, the pins are
2589  * assisnged to hp_pins[] and speaker_pins[], respectively.  If no line-out jack
2590  * is detected, one of speaker of HP pins is assigned as the primary
2591  * output, i.e. to line_out_pins[0].  So, line_outs is always positive
2592  * if any analog output exists.
2593  *
2594  * The analog input pins are assigned to input_pins array.
2595  * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
2596  * respectively.
2597  */
2598 int snd_hda_parse_pin_def_config(struct hda_codec *codec,
2599                                  struct auto_pin_cfg *cfg,
2600                                  hda_nid_t *ignore_nids)
2601 {
2602         hda_nid_t nid, nid_start;
2603         int nodes;
2604         short seq, assoc_line_out, assoc_speaker;
2605         short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)];
2606         short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)];
2607
2608         memset(cfg, 0, sizeof(*cfg));
2609
2610         memset(sequences_line_out, 0, sizeof(sequences_line_out));
2611         memset(sequences_speaker, 0, sizeof(sequences_speaker));
2612         assoc_line_out = assoc_speaker = 0;
2613
2614         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid_start);
2615         for (nid = nid_start; nid < nodes + nid_start; nid++) {
2616                 unsigned int wid_caps = get_wcaps(codec, nid);
2617                 unsigned int wid_type =
2618                         (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
2619                 unsigned int def_conf;
2620                 short assoc, loc;
2621
2622                 /* read all default configuration for pin complex */
2623                 if (wid_type != AC_WID_PIN)
2624                         continue;
2625                 /* ignore the given nids (e.g. pc-beep returns error) */
2626                 if (ignore_nids && is_in_nid_list(nid, ignore_nids))
2627                         continue;
2628
2629                 def_conf = snd_hda_codec_read(codec, nid, 0,
2630                                               AC_VERB_GET_CONFIG_DEFAULT, 0);
2631                 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
2632                         continue;
2633                 loc = get_defcfg_location(def_conf);
2634                 switch (get_defcfg_device(def_conf)) {
2635                 case AC_JACK_LINE_OUT:
2636                         seq = get_defcfg_sequence(def_conf);
2637                         assoc = get_defcfg_association(def_conf);
2638                         if (!assoc)
2639                                 continue;
2640                         if (!assoc_line_out)
2641                                 assoc_line_out = assoc;
2642                         else if (assoc_line_out != assoc)
2643                                 continue;
2644                         if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
2645                                 continue;
2646                         cfg->line_out_pins[cfg->line_outs] = nid;
2647                         sequences_line_out[cfg->line_outs] = seq;
2648                         cfg->line_outs++;
2649                         break;
2650                 case AC_JACK_SPEAKER:
2651                         seq = get_defcfg_sequence(def_conf);
2652                         assoc = get_defcfg_association(def_conf);
2653                         if (! assoc)
2654                                 continue;
2655                         if (! assoc_speaker)
2656                                 assoc_speaker = assoc;
2657                         else if (assoc_speaker != assoc)
2658                                 continue;
2659                         if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
2660                                 continue;
2661                         cfg->speaker_pins[cfg->speaker_outs] = nid;
2662                         sequences_speaker[cfg->speaker_outs] = seq;
2663                         cfg->speaker_outs++;
2664                         break;
2665                 case AC_JACK_HP_OUT:
2666                         if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
2667                                 continue;
2668                         cfg->hp_pins[cfg->hp_outs] = nid;
2669                         cfg->hp_outs++;
2670                         break;
2671                 case AC_JACK_MIC_IN: {
2672                         int preferred, alt;
2673                         if (loc == AC_JACK_LOC_FRONT) {
2674                                 preferred = AUTO_PIN_FRONT_MIC;
2675                                 alt = AUTO_PIN_MIC;
2676                         } else {
2677                                 preferred = AUTO_PIN_MIC;
2678                                 alt = AUTO_PIN_FRONT_MIC;
2679                         }
2680                         if (!cfg->input_pins[preferred])
2681                                 cfg->input_pins[preferred] = nid;
2682                         else if (!cfg->input_pins[alt])
2683                                 cfg->input_pins[alt] = nid;
2684                         break;
2685                 }
2686                 case AC_JACK_LINE_IN:
2687                         if (loc == AC_JACK_LOC_FRONT)
2688                                 cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
2689                         else
2690                                 cfg->input_pins[AUTO_PIN_LINE] = nid;
2691                         break;
2692                 case AC_JACK_CD:
2693                         cfg->input_pins[AUTO_PIN_CD] = nid;
2694                         break;
2695                 case AC_JACK_AUX:
2696                         cfg->input_pins[AUTO_PIN_AUX] = nid;
2697                         break;
2698                 case AC_JACK_SPDIF_OUT:
2699                         cfg->dig_out_pin = nid;
2700                         break;
2701                 case AC_JACK_SPDIF_IN:
2702                         cfg->dig_in_pin = nid;
2703                         break;
2704                 }
2705         }
2706
2707         /* sort by sequence */
2708         sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out,
2709                               cfg->line_outs);
2710         sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker,
2711                               cfg->speaker_outs);
2712
2713         /*
2714          * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
2715          * as a primary output
2716          */
2717         if (!cfg->line_outs) {
2718                 if (cfg->speaker_outs) {
2719                         cfg->line_outs = cfg->speaker_outs;
2720                         memcpy(cfg->line_out_pins, cfg->speaker_pins,
2721                                sizeof(cfg->speaker_pins));
2722                         cfg->speaker_outs = 0;
2723                         memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
2724                         cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
2725                 } else if (cfg->hp_outs) {
2726                         cfg->line_outs = cfg->hp_outs;
2727                         memcpy(cfg->line_out_pins, cfg->hp_pins,
2728                                sizeof(cfg->hp_pins));
2729                         cfg->hp_outs = 0;
2730                         memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
2731                         cfg->line_out_type = AUTO_PIN_HP_OUT;
2732                 }
2733         }
2734
2735         /* Reorder the surround channels
2736          * ALSA sequence is front/surr/clfe/side
2737          * HDA sequence is:
2738          *    4-ch: front/surr  =>  OK as it is
2739          *    6-ch: front/clfe/surr
2740          *    8-ch: front/clfe/rear/side|fc
2741          */
2742         switch (cfg->line_outs) {
2743         case 3:
2744         case 4:
2745                 nid = cfg->line_out_pins[1];
2746                 cfg->line_out_pins[1] = cfg->line_out_pins[2];
2747                 cfg->line_out_pins[2] = nid;
2748                 break;
2749         }
2750
2751         /*
2752          * debug prints of the parsed results
2753          */
2754         snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2755                    cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
2756                    cfg->line_out_pins[2], cfg->line_out_pins[3],
2757                    cfg->line_out_pins[4]);
2758         snd_printd("   speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2759                    cfg->speaker_outs, cfg->speaker_pins[0],
2760                    cfg->speaker_pins[1], cfg->speaker_pins[2],
2761                    cfg->speaker_pins[3], cfg->speaker_pins[4]);
2762         snd_printd("   hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2763                    cfg->hp_outs, cfg->hp_pins[0],
2764                    cfg->hp_pins[1], cfg->hp_pins[2],
2765                    cfg->hp_pins[3], cfg->hp_pins[4]);
2766         snd_printd("   inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
2767                    " cd=0x%x, aux=0x%x\n",
2768                    cfg->input_pins[AUTO_PIN_MIC],
2769                    cfg->input_pins[AUTO_PIN_FRONT_MIC],
2770                    cfg->input_pins[AUTO_PIN_LINE],
2771                    cfg->input_pins[AUTO_PIN_FRONT_LINE],
2772                    cfg->input_pins[AUTO_PIN_CD],
2773                    cfg->input_pins[AUTO_PIN_AUX]);
2774
2775         return 0;
2776 }
2777
2778 /* labels for input pins */
2779 const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
2780         "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
2781 };
2782
2783
2784 #ifdef CONFIG_PM
2785 /*
2786  * power management
2787  */
2788
2789 /**
2790  * snd_hda_suspend - suspend the codecs
2791  * @bus: the HDA bus
2792  * @state: suspsend state
2793  *
2794  * Returns 0 if successful.
2795  */
2796 int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
2797 {
2798         struct hda_codec *codec;
2799
2800         list_for_each_entry(codec, &bus->codec_list, list) {
2801 #ifdef CONFIG_SND_HDA_POWER_SAVE
2802                 if (!codec->power_on)
2803                         continue;
2804 #endif
2805                 hda_call_codec_suspend(codec);
2806         }
2807         return 0;
2808 }
2809
2810 /**
2811  * snd_hda_resume - resume the codecs
2812  * @bus: the HDA bus
2813  * @state: resume state
2814  *
2815  * Returns 0 if successful.
2816  *
2817  * This fucntion is defined only when POWER_SAVE isn't set.
2818  * In the power-save mode, the codec is resumed dynamically.
2819  */
2820 int snd_hda_resume(struct hda_bus *bus)
2821 {
2822         struct hda_codec *codec;
2823
2824         list_for_each_entry(codec, &bus->codec_list, list) {
2825                 if (snd_hda_codec_needs_resume(codec))
2826                         hda_call_codec_resume(codec);
2827         }
2828         return 0;
2829 }
2830 #ifdef CONFIG_SND_HDA_POWER_SAVE
2831 int snd_hda_codecs_inuse(struct hda_bus *bus)
2832 {
2833         struct hda_codec *codec;
2834
2835         list_for_each_entry(codec, &bus->codec_list, list) {
2836                 if (snd_hda_codec_needs_resume(codec))
2837                         return 1;
2838         }
2839         return 0;
2840 }
2841 #endif
2842 #endif