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   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 <linux/init.h>
  23 #include <linux/delay.h>
  24 #include <linux/slab.h>
  25 #include <linux/pci.h>
  26 #include <linux/mutex.h>
  27 #include <sound/core.h>
  28 #include "hda_codec.h"
  29 #include <sound/asoundef.h>
  30 #include <sound/tlv.h>
  31 #include <sound/initval.h>
  32 #include "hda_local.h"
  33 #include <sound/hda_hwdep.h>
  34 #include "hda_patch.h"  /* codec presets */
  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         { 0x1002, "ATI" },
  56         { 0x1057, "Motorola" },
  57         { 0x1095, "Silicon Image" },
  58         { 0x10ec, "Realtek" },
  59         { 0x1106, "VIA" },
  60         { 0x111d, "IDT" },
  61         { 0x11c1, "LSI" },
  62         { 0x11d4, "Analog Devices" },
  63         { 0x13f6, "C-Media" },
  64         { 0x14f1, "Conexant" },
  65         { 0x17e8, "Chrontel" },
  66         { 0x1854, "LG" },
  67         { 0x1aec, "Wolfson Microelectronics" },
  68         { 0x434d, "C-Media" },
  69         { 0x8384, "SigmaTel" },
  70         {} /* terminator */
  71 };
  72
  73 static const struct hda_codec_preset *hda_preset_tables[] = {
  74 #ifdef CONFIG_SND_HDA_CODEC_REALTEK
  75         snd_hda_preset_realtek,
  76 #endif
  77 #ifdef CONFIG_SND_HDA_CODEC_CMEDIA
  78         snd_hda_preset_cmedia,
  79 #endif
  80 #ifdef CONFIG_SND_HDA_CODEC_ANALOG
  81         snd_hda_preset_analog,
  82 #endif
  83 #ifdef CONFIG_SND_HDA_CODEC_SIGMATEL
  84         snd_hda_preset_sigmatel,
  85 #endif
  86 #ifdef CONFIG_SND_HDA_CODEC_SI3054
  87         snd_hda_preset_si3054,
  88 #endif
  89 #ifdef CONFIG_SND_HDA_CODEC_ATIHDMI
  90         snd_hda_preset_atihdmi,
  91 #endif
  92 #ifdef CONFIG_SND_HDA_CODEC_CONEXANT
  93         snd_hda_preset_conexant,
  94 #endif
  95 #ifdef CONFIG_SND_HDA_CODEC_VIA
  96         snd_hda_preset_via,
  97 #endif
  98 #ifdef CONFIG_SND_HDA_CODEC_NVHDMI
  99         snd_hda_preset_nvhdmi,
 100 #endif
 101 #ifdef CONFIG_SND_HDA_CODEC_INTELHDMI
 102         snd_hda_preset_intelhdmi,
 103 #endif
 104         NULL
 105 };
 106
 107 #ifdef CONFIG_SND_HDA_POWER_SAVE
 108 static void hda_power_work(struct work_struct *work);
 109 static void hda_keep_power_on(struct hda_codec *codec);
 110 #else
 111 static inline void hda_keep_power_on(struct hda_codec *codec) {}
 112 #endif
 113
 114 const char *snd_hda_get_jack_location(u32 cfg)
 115 {
 116         static char *bases[7] = {
 117                 "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
 118         };
 119         static unsigned char specials_idx[] = {
 120                 0x07, 0x08,
 121                 0x17, 0x18, 0x19,
 122                 0x37, 0x38
 123         };
 124         static char *specials[] = {
 125                 "Rear Panel", "Drive Bar",
 126                 "Riser", "HDMI", "ATAPI",
 127                 "Mobile-In", "Mobile-Out"
 128         };
 129         int i;
 130         cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT;
 131         if ((cfg & 0x0f) < 7)
 132                 return bases[cfg & 0x0f];
 133         for (i = 0; i < ARRAY_SIZE(specials_idx); i++) {
 134                 if (cfg == specials_idx[i])
 135                         return specials[i];
 136         }
 137         return "UNKNOWN";
 138 }
 139
 140 const char *snd_hda_get_jack_connectivity(u32 cfg)
 141 {
 142         static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" };
 143
 144         return jack_locations[(cfg >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3];
 145 }
 146
 147 const char *snd_hda_get_jack_type(u32 cfg)
 148 {
 149         static char *jack_types[16] = {
 150                 "Line Out", "Speaker", "HP Out", "CD",
 151                 "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
 152                 "Line In", "Aux", "Mic", "Telephony",
 153                 "SPDIF In", "Digitial In", "Reserved", "Other"
 154         };
 155
 156         return jack_types[(cfg & AC_DEFCFG_DEVICE)
 157                                 >> AC_DEFCFG_DEVICE_SHIFT];
 158 }
 159
 160 /*
 161  * Compose a 32bit command word to be sent to the HD-audio controller
 162  */
 163 static inline unsigned int
 164 make_codec_cmd(struct hda_codec *codec, hda_nid_t nid, int direct,
 165                unsigned int verb, unsigned int parm)
 166 {
 167         u32 val;
 168
 169         val = (u32)(codec->addr & 0x0f) << 28;
 170         val |= (u32)direct << 27;
 171         val |= (u32)nid << 20;
 172         val |= verb << 8;
 173         val |= parm;
 174         return val;
 175 }
 176
 177 /**
 178  * snd_hda_codec_read - send a command and get the response
 179  * @codec: the HDA codec
 180  * @nid: NID to send the command
 181  * @direct: direct flag
 182  * @verb: the verb to send
 183  * @parm: the parameter for the verb
 184  *
 185  * Send a single command and read the corresponding response.
 186  *
 187  * Returns the obtained response value, or -1 for an error.
 188  */
 189 unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
 190                                 int direct,
 191                                 unsigned int verb, unsigned int parm)
 192 {
 193         struct hda_bus *bus = codec->bus;
 194         unsigned int res;
 195
 196         res = make_codec_cmd(codec, nid, direct, verb, parm);
 197         snd_hda_power_up(codec);
 198         mutex_lock(&bus->cmd_mutex);
 199         if (!bus->ops.command(bus, res))
 200                 res = bus->ops.get_response(bus);
 201         else
 202                 res = (unsigned int)-1;
 203         mutex_unlock(&bus->cmd_mutex);
 204         snd_hda_power_down(codec);
 205         return res;
 206 }
 207
 208 /**
 209  * snd_hda_codec_write - send a single command without waiting for response
 210  * @codec: the HDA codec
 211  * @nid: NID to send the command
 212  * @direct: direct flag
 213  * @verb: the verb to send
 214  * @parm: the parameter for the verb
 215  *
 216  * Send a single command without waiting for response.
 217  *
 218  * Returns 0 if successful, or a negative error code.
 219  */
 220 int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
 221                          unsigned int verb, unsigned int parm)
 222 {
 223         struct hda_bus *bus = codec->bus;
 224         unsigned int res;
 225         int err;
 226
 227         res = make_codec_cmd(codec, nid, direct, verb, parm);
 228         snd_hda_power_up(codec);
 229         mutex_lock(&bus->cmd_mutex);
 230         err = bus->ops.command(bus, res);
 231         mutex_unlock(&bus->cmd_mutex);
 232         snd_hda_power_down(codec);
 233         return err;
 234 }
 235
 236 /**
 237  * snd_hda_sequence_write - sequence writes
 238  * @codec: the HDA codec
 239  * @seq: VERB array to send
 240  *
 241  * Send the commands sequentially from the given array.
 242  * The array must be terminated with NID=0.
 243  */
 244 void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
 245 {
 246         for (; seq->nid; seq++)
 247                 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
 248 }
 249
 250 /**
 251  * snd_hda_get_sub_nodes - get the range of sub nodes
 252  * @codec: the HDA codec
 253  * @nid: NID to parse
 254  * @start_id: the pointer to store the start NID
 255  *
 256  * Parse the NID and store the start NID of its sub-nodes.
 257  * Returns the number of sub-nodes.
 258  */
 259 int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
 260                           hda_nid_t *start_id)
 261 {
 262         unsigned int parm;
 263
 264         parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
 265         if (parm == -1)
 266                 return 0;
 267         *start_id = (parm >> 16) & 0x7fff;
 268         return (int)(parm & 0x7fff);
 269 }
 270
 271 /**
 272  * snd_hda_get_connections - get connection list
 273  * @codec: the HDA codec
 274  * @nid: NID to parse
 275  * @conn_list: connection list array
 276  * @max_conns: max. number of connections to store
 277  *
 278  * Parses the connection list of the given widget and stores the list
 279  * of NIDs.
 280  *
 281  * Returns the number of connections, or a negative error code.
 282  */
 283 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
 284                             hda_nid_t *conn_list, int max_conns)
 285 {
 286         unsigned int parm;
 287         int i, conn_len, conns;
 288         unsigned int shift, num_elems, mask;
 289         hda_nid_t prev_nid;
 290
 291         if (snd_BUG_ON(!conn_list || max_conns <= 0))
 292                 return -EINVAL;
 293
 294         parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN);
 295         if (parm & AC_CLIST_LONG) {
 296                 /* long form */
 297                 shift = 16;
 298                 num_elems = 2;
 299         } else {
 300                 /* short form */
 301                 shift = 8;
 302                 num_elems = 4;
 303         }
 304         conn_len = parm & AC_CLIST_LENGTH;
 305         mask = (1 << (shift-1)) - 1;
 306
 307         if (!conn_len)
 308                 return 0; /* no connection */
 309
 310         if (conn_len == 1) {
 311                 /* single connection */
 312                 parm = snd_hda_codec_read(codec, nid, 0,
 313                                           AC_VERB_GET_CONNECT_LIST, 0);
 314                 conn_list[0] = parm & mask;
 315                 return 1;
 316         }
 317
 318         /* multi connection */
 319         conns = 0;
 320         prev_nid = 0;
 321         for (i = 0; i < conn_len; i++) {
 322                 int range_val;
 323                 hda_nid_t val, n;
 324
 325                 if (i % num_elems == 0)
 326                         parm = snd_hda_codec_read(codec, nid, 0,
 327                                                   AC_VERB_GET_CONNECT_LIST, i);
 328                 range_val = !!(parm & (1 << (shift-1))); /* ranges */
 329                 val = parm & mask;
 330                 parm >>= shift;
 331                 if (range_val) {
 332                         /* ranges between the previous and this one */
 333                         if (!prev_nid || prev_nid >= val) {
 334                                 snd_printk(KERN_WARNING "hda_codec: "
 335                                            "invalid dep_range_val %x:%x\n",
 336                                            prev_nid, val);
 337                                 continue;
 338                         }
 339                         for (n = prev_nid + 1; n <= val; n++) {
 340                                 if (conns >= max_conns) {
 341                                         snd_printk(KERN_ERR
 342                                                    "Too many connections\n");
 343                                         return -EINVAL;
 344                                 }
 345                                 conn_list[conns++] = n;
 346                         }
 347                 } else {
 348                         if (conns >= max_conns) {
 349                                 snd_printk(KERN_ERR "Too many connections\n");
 350                                 return -EINVAL;
 351                         }
 352                         conn_list[conns++] = val;
 353                 }
 354                 prev_nid = val;
 355         }
 356         return conns;
 357 }
 358
 359
 360 /**
 361  * snd_hda_queue_unsol_event - add an unsolicited event to queue
 362  * @bus: the BUS
 363  * @res: unsolicited event (lower 32bit of RIRB entry)
 364  * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
 365  *
 366  * Adds the given event to the queue.  The events are processed in
 367  * the workqueue asynchronously.  Call this function in the interrupt
 368  * hanlder when RIRB receives an unsolicited event.
 369  *
 370  * Returns 0 if successful, or a negative error code.
 371  */
 372 int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
 373 {
 374         struct hda_bus_unsolicited *unsol;
 375         unsigned int wp;
 376
 377         unsol = bus->unsol;
 378         if (!unsol)
 379                 return 0;
 380
 381         wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
 382         unsol->wp = wp;
 383
 384         wp <<= 1;
 385         unsol->queue[wp] = res;
 386         unsol->queue[wp + 1] = res_ex;
 387
 388         schedule_work(&unsol->work);
 389
 390         return 0;
 391 }
 392
 393 /*
 394  * process queued unsolicited events
 395  */
 396 static void process_unsol_events(struct work_struct *work)
 397 {
 398         struct hda_bus_unsolicited *unsol =
 399                 container_of(work, struct hda_bus_unsolicited, work);
 400         struct hda_bus *bus = unsol->bus;
 401         struct hda_codec *codec;
 402         unsigned int rp, caddr, res;
 403
 404         while (unsol->rp != unsol->wp) {
 405                 rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE;
 406                 unsol->rp = rp;
 407                 rp <<= 1;
 408                 res = unsol->queue[rp];
 409                 caddr = unsol->queue[rp + 1];
 410                 if (!(caddr & (1 << 4))) /* no unsolicited event? */
 411                         continue;
 412                 codec = bus->caddr_tbl[caddr & 0x0f];
 413                 if (codec && codec->patch_ops.unsol_event)
 414                         codec->patch_ops.unsol_event(codec, res);
 415         }
 416 }
 417
 418 /*
 419  * initialize unsolicited queue
 420  */
 421 static int init_unsol_queue(struct hda_bus *bus)
 422 {
 423         struct hda_bus_unsolicited *unsol;
 424
 425         if (bus->unsol) /* already initialized */
 426                 return 0;
 427
 428         unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
 429         if (!unsol) {
 430                 snd_printk(KERN_ERR "hda_codec: "
 431                            "can't allocate unsolicited queue\n");
 432                 return -ENOMEM;
 433         }
 434         INIT_WORK(&unsol->work, process_unsol_events);
 435         unsol->bus = bus;
 436         bus->unsol = unsol;
 437         return 0;
 438 }
 439
 440 /*
 441  * destructor
 442  */
 443 static void snd_hda_codec_free(struct hda_codec *codec);
 444
 445 static int snd_hda_bus_free(struct hda_bus *bus)
 446 {
 447         struct hda_codec *codec, *n;
 448
 449         if (!bus)
 450                 return 0;
 451         if (bus->unsol) {
 452                 flush_scheduled_work();
 453                 kfree(bus->unsol);
 454         }
 455         list_for_each_entry_safe(codec, n, &bus->codec_list, list) {
 456                 snd_hda_codec_free(codec);
 457         }
 458         if (bus->ops.private_free)
 459                 bus->ops.private_free(bus);
 460         kfree(bus);
 461         return 0;
 462 }
 463
 464 static int snd_hda_bus_dev_free(struct snd_device *device)
 465 {
 466         struct hda_bus *bus = device->device_data;
 467         bus->shutdown = 1;
 468         return snd_hda_bus_free(bus);
 469 }
 470
 471 #ifdef CONFIG_SND_HDA_HWDEP
 472 static int snd_hda_bus_dev_register(struct snd_device *device)
 473 {
 474         struct hda_bus *bus = device->device_data;
 475         struct hda_codec *codec;
 476         list_for_each_entry(codec, &bus->codec_list, list) {
 477                 snd_hda_hwdep_add_sysfs(codec);
 478         }
 479         return 0;
 480 }
 481 #else
 482 #define snd_hda_bus_dev_register        NULL
 483 #endif
 484
 485 /**
 486  * snd_hda_bus_new - create a HDA bus
 487  * @card: the card entry
 488  * @temp: the template for hda_bus information
 489  * @busp: the pointer to store the created bus instance
 490  *
 491  * Returns 0 if successful, or a negative error code.
 492  */
 493 int __devinit snd_hda_bus_new(struct snd_card *card,
 494                               const struct hda_bus_template *temp,
 495                               struct hda_bus **busp)
 496 {
 497         struct hda_bus *bus;
 498         int err;
 499         static struct snd_device_ops dev_ops = {
 500                 .dev_register = snd_hda_bus_dev_register,
 501                 .dev_free = snd_hda_bus_dev_free,
 502         };
 503
 504         if (snd_BUG_ON(!temp))
 505                 return -EINVAL;
 506         if (snd_BUG_ON(!temp->ops.command || !temp->ops.get_response))
 507                 return -EINVAL;
 508
 509         if (busp)
 510                 *busp = NULL;
 511
 512         bus = kzalloc(sizeof(*bus), GFP_KERNEL);
 513         if (bus == NULL) {
 514                 snd_printk(KERN_ERR "can't allocate struct hda_bus\n");
 515                 return -ENOMEM;
 516         }
 517
 518         bus->card = card;
 519         bus->private_data = temp->private_data;
 520         bus->pci = temp->pci;
 521         bus->modelname = temp->modelname;
 522         bus->ops = temp->ops;
 523
 524         mutex_init(&bus->cmd_mutex);
 525         INIT_LIST_HEAD(&bus->codec_list);
 526
 527         err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
 528         if (err < 0) {
 529                 snd_hda_bus_free(bus);
 530                 return err;
 531         }
 532         if (busp)
 533                 *busp = bus;
 534         return 0;
 535 }
 536
 537 #ifdef CONFIG_SND_HDA_GENERIC
 538 #define is_generic_config(codec) \
 539         (codec->modelname && !strcmp(codec->modelname, "generic"))
 540 #else
 541 #define is_generic_config(codec)        0
 542 #endif
 543
 544 /*
 545  * find a matching codec preset
 546  */
 547 static const struct hda_codec_preset *
 548 find_codec_preset(struct hda_codec *codec)
 549 {
 550         const struct hda_codec_preset **tbl, *preset;
 551
 552         if (is_generic_config(codec))
 553                 return NULL; /* use the generic parser */
 554
 555         for (tbl = hda_preset_tables; *tbl; tbl++) {
 556                 for (preset = *tbl; preset->id; preset++) {
 557                         u32 mask = preset->mask;
 558                         if (preset->afg && preset->afg != codec->afg)
 559                                 continue;
 560                         if (preset->mfg && preset->mfg != codec->mfg)
 561                                 continue;
 562                         if (!mask)
 563                                 mask = ~0;
 564                         if (preset->id == (codec->vendor_id & mask) &&
 565                             (!preset->rev ||
 566                              preset->rev == codec->revision_id))
 567                                 return preset;
 568                 }
 569         }
 570         return NULL;
 571 }
 572
 573 /*
 574  * get_codec_name - store the codec name
 575  */
 576 static int get_codec_name(struct hda_codec *codec)
 577 {
 578         const struct hda_vendor_id *c;
 579         const char *vendor = NULL;
 580         u16 vendor_id = codec->vendor_id >> 16;
 581         char tmp[16], name[32];
 582
 583         for (c = hda_vendor_ids; c->id; c++) {
 584                 if (c->id == vendor_id) {
 585                         vendor = c->name;
 586                         break;
 587                 }
 588         }
 589         if (!vendor) {
 590                 sprintf(tmp, "Generic %04x", vendor_id);
 591                 vendor = tmp;
 592         }
 593         if (codec->preset && codec->preset->name)
 594                 snprintf(name, sizeof(name), "%s %s", vendor,
 595                          codec->preset->name);
 596         else
 597                 snprintf(name, sizeof(name), "%s ID %x", vendor,
 598                          codec->vendor_id & 0xffff);
 599         codec->name = kstrdup(name, GFP_KERNEL);
 600         if (!codec->name)
 601                 return -ENOMEM;
 602         return 0;
 603 }
 604
 605 /*
 606  * look for an AFG and MFG nodes
 607  */
 608 static void __devinit setup_fg_nodes(struct hda_codec *codec)
 609 {
 610         int i, total_nodes;
 611         hda_nid_t nid;
 612
 613         total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
 614         for (i = 0; i < total_nodes; i++, nid++) {
 615                 unsigned int func;
 616                 func = snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE);
 617                 switch (func & 0xff) {
 618                 case AC_GRP_AUDIO_FUNCTION:
 619                         codec->afg = nid;
 620                         break;
 621                 case AC_GRP_MODEM_FUNCTION:
 622                         codec->mfg = nid;
 623                         break;
 624                 default:
 625                         break;
 626                 }
 627         }
 628 }
 629
 630 /*
 631  * read widget caps for each widget and store in cache
 632  */
 633 static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
 634 {
 635         int i;
 636         hda_nid_t nid;
 637
 638         codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node,
 639                                                  &codec->start_nid);
 640         codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL);
 641         if (!codec->wcaps)
 642                 return -ENOMEM;
 643         nid = codec->start_nid;
 644         for (i = 0; i < codec->num_nodes; i++, nid++)
 645                 codec->wcaps[i] = snd_hda_param_read(codec, nid,
 646                                                      AC_PAR_AUDIO_WIDGET_CAP);
 647         return 0;
 648 }
 649
 650
 651 static void init_hda_cache(struct hda_cache_rec *cache,
 652                            unsigned int record_size);
 653 static void free_hda_cache(struct hda_cache_rec *cache);
 654
 655 /*
 656  * codec destructor
 657  */
 658 static void snd_hda_codec_free(struct hda_codec *codec)
 659 {
 660         if (!codec)
 661                 return;
 662 #ifdef CONFIG_SND_HDA_POWER_SAVE
 663         cancel_delayed_work(&codec->power_work);
 664         flush_scheduled_work();
 665 #endif
 666         list_del(&codec->list);
 667         snd_array_free(&codec->mixers);
 668         codec->bus->caddr_tbl[codec->addr] = NULL;
 669         if (codec->patch_ops.free)
 670                 codec->patch_ops.free(codec);
 671         free_hda_cache(&codec->amp_cache);
 672         free_hda_cache(&codec->cmd_cache);
 673         kfree(codec->name);
 674         kfree(codec->modelname);
 675         kfree(codec->wcaps);
 676         kfree(codec);
 677 }
 678
 679 /**
 680  * snd_hda_codec_new - create a HDA codec
 681  * @bus: the bus to assign
 682  * @codec_addr: the codec address
 683  * @codecp: the pointer to store the generated codec
 684  *
 685  * Returns 0 if successful, or a negative error code.
 686  */
 687 int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
 688                                 struct hda_codec **codecp)
 689 {
 690         struct hda_codec *codec;
 691         char component[31];
 692         int err;
 693
 694         if (snd_BUG_ON(!bus))
 695                 return -EINVAL;
 696         if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
 697                 return -EINVAL;
 698
 699         if (bus->caddr_tbl[codec_addr]) {
 700                 snd_printk(KERN_ERR "hda_codec: "
 701                            "address 0x%x is already occupied\n", codec_addr);
 702                 return -EBUSY;
 703         }
 704
 705         codec = kzalloc(sizeof(*codec), GFP_KERNEL);
 706         if (codec == NULL) {
 707                 snd_printk(KERN_ERR "can't allocate struct hda_codec\n");
 708                 return -ENOMEM;
 709         }
 710
 711         codec->bus = bus;
 712         codec->addr = codec_addr;
 713         mutex_init(&codec->spdif_mutex);
 714         init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
 715         init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
 716         snd_array_init(&codec->mixers, sizeof(struct snd_kcontrol *), 32);
 717         if (codec->bus->modelname) {
 718                 codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL);
 719                 if (!codec->modelname) {
 720                         snd_hda_codec_free(codec);
 721                         return -ENODEV;
 722                 }
 723         }
 724
 725 #ifdef CONFIG_SND_HDA_POWER_SAVE
 726         INIT_DELAYED_WORK(&codec->power_work, hda_power_work);
 727         /* snd_hda_codec_new() marks the codec as power-up, and leave it as is.
 728          * the caller has to power down appropriatley after initialization
 729          * phase.
 730          */
 731         hda_keep_power_on(codec);
 732 #endif
 733
 734         list_add_tail(&codec->list, &bus->codec_list);
 735         bus->caddr_tbl[codec_addr] = codec;
 736
 737         codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 738                                               AC_PAR_VENDOR_ID);
 739         if (codec->vendor_id == -1)
 740                 /* read again, hopefully the access method was corrected
 741                  * in the last read...
 742                  */
 743                 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 744                                                       AC_PAR_VENDOR_ID);
 745         codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 746                                                  AC_PAR_SUBSYSTEM_ID);
 747         codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 748                                                 AC_PAR_REV_ID);
 749
 750         setup_fg_nodes(codec);
 751         if (!codec->afg && !codec->mfg) {
 752                 snd_printdd("hda_codec: no AFG or MFG node found\n");
 753                 snd_hda_codec_free(codec);
 754                 return -ENODEV;
 755         }
 756
 757         if (read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg) < 0) {
 758                 snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
 759                 snd_hda_codec_free(codec);
 760                 return -ENOMEM;
 761         }
 762
 763         if (!codec->subsystem_id) {
 764                 hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
 765                 codec->subsystem_id =
 766                         snd_hda_codec_read(codec, nid, 0,
 767                                            AC_VERB_GET_SUBSYSTEM_ID, 0);
 768         }
 769         if (bus->modelname)
 770                 codec->modelname = kstrdup(bus->modelname, GFP_KERNEL);
 771
 772         err = snd_hda_codec_configure(codec);
 773         if (err < 0) {
 774                 snd_hda_codec_free(codec);
 775                 return err;
 776         }
 777         snd_hda_codec_proc_new(codec);
 778
 779         snd_hda_create_hwdep(codec);
 780
 781         sprintf(component, "HDA:%08x,%08x,%08x", codec->vendor_id,
 782                 codec->subsystem_id, codec->revision_id);
 783         snd_component_add(codec->bus->card, component);
 784
 785         if (codecp)
 786                 *codecp = codec;
 787         return 0;
 788 }
 789
 790 int snd_hda_codec_configure(struct hda_codec *codec)
 791 {
 792         int err;
 793
 794         codec->preset = find_codec_preset(codec);
 795         if (!codec->name) {
 796                 err = get_codec_name(codec);
 797                 if (err < 0)
 798                         return err;
 799         }
 800         /* audio codec should override the mixer name */
 801         if (codec->afg || !*codec->bus->card->mixername)
 802                 strlcpy(codec->bus->card->mixername, codec->name,
 803                         sizeof(codec->bus->card->mixername));
 804
 805         if (is_generic_config(codec)) {
 806                 err = snd_hda_parse_generic_codec(codec);
 807                 goto patched;
 808         }
 809         if (codec->preset && codec->preset->patch) {
 810                 err = codec->preset->patch(codec);
 811                 goto patched;
 812         }
 813
 814         /* call the default parser */
 815         err = snd_hda_parse_generic_codec(codec);
 816         if (err < 0)
 817                 printk(KERN_ERR "hda-codec: No codec parser is available\n");
 818
 819  patched:
 820         if (!err && codec->patch_ops.unsol_event)
 821                 err = init_unsol_queue(codec->bus);
 822         return err;
 823 }
 824
 825 /**
 826  * snd_hda_codec_setup_stream - set up the codec for streaming
 827  * @codec: the CODEC to set up
 828  * @nid: the NID to set up
 829  * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
 830  * @channel_id: channel id to pass, zero based.
 831  * @format: stream format.
 832  */
 833 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
 834                                 u32 stream_tag,
 835                                 int channel_id, int format)
 836 {
 837         if (!nid)
 838                 return;
 839
 840         snd_printdd("hda_codec_setup_stream: "
 841                     "NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
 842                     nid, stream_tag, channel_id, format);
 843         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID,
 844                             (stream_tag << 4) | channel_id);
 845         msleep(1);
 846         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
 847 }
 848
 849 void snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid)
 850 {
 851         if (!nid)
 852                 return;
 853
 854         snd_printdd("hda_codec_cleanup_stream: NID=0x%x\n", nid);
 855         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
 856 #if 0 /* keep the format */
 857         msleep(1);
 858         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0);
 859 #endif
 860 }
 861
 862 /*
 863  * amp access functions
 864  */
 865
 866 /* FIXME: more better hash key? */
 867 #define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
 868 #define INFO_AMP_CAPS   (1<<0)
 869 #define INFO_AMP_VOL(ch)        (1 << (1 + (ch)))
 870
 871 /* initialize the hash table */
 872 static void __devinit init_hda_cache(struct hda_cache_rec *cache,
 873                                      unsigned int record_size)
 874 {
 875         memset(cache, 0, sizeof(*cache));
 876         memset(cache->hash, 0xff, sizeof(cache->hash));
 877         snd_array_init(&cache->buf, record_size, 64);
 878 }
 879
 880 static void free_hda_cache(struct hda_cache_rec *cache)
 881 {
 882         snd_array_free(&cache->buf);
 883 }
 884
 885 /* query the hash.  allocate an entry if not found. */
 886 static struct hda_cache_head  *get_alloc_hash(struct hda_cache_rec *cache,
 887                                               u32 key)
 888 {
 889         u16 idx = key % (u16)ARRAY_SIZE(cache->hash);
 890         u16 cur = cache->hash[idx];
 891         struct hda_cache_head *info;
 892
 893         while (cur != 0xffff) {
 894                 info = snd_array_elem(&cache->buf, cur);
 895                 if (info->key == key)
 896                         return info;
 897                 cur = info->next;
 898         }
 899
 900         /* add a new hash entry */
 901         info = snd_array_new(&cache->buf);
 902         if (!info)
 903                 return NULL;
 904         cur = snd_array_index(&cache->buf, info);
 905         info->key = key;
 906         info->val = 0;
 907         info->next = cache->hash[idx];
 908         cache->hash[idx] = cur;
 909
 910         return info;
 911 }
 912
 913 /* query and allocate an amp hash entry */
 914 static inline struct hda_amp_info *
 915 get_alloc_amp_hash(struct hda_codec *codec, u32 key)
 916 {
 917         return (struct hda_amp_info *)get_alloc_hash(&codec->amp_cache, key);
 918 }
 919
 920 /*
 921  * query AMP capabilities for the given widget and direction
 922  */
 923 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
 924 {
 925         struct hda_amp_info *info;
 926
 927         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0));
 928         if (!info)
 929                 return 0;
 930         if (!(info->head.val & INFO_AMP_CAPS)) {
 931                 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
 932                         nid = codec->afg;
 933                 info->amp_caps = snd_hda_param_read(codec, nid,
 934                                                     direction == HDA_OUTPUT ?
 935                                                     AC_PAR_AMP_OUT_CAP :
 936                                                     AC_PAR_AMP_IN_CAP);
 937                 if (info->amp_caps)
 938                         info->head.val |= INFO_AMP_CAPS;
 939         }
 940         return info->amp_caps;
 941 }
 942
 943 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
 944                               unsigned int caps)
 945 {
 946         struct hda_amp_info *info;
 947
 948         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, dir, 0));
 949         if (!info)
 950                 return -EINVAL;
 951         info->amp_caps = caps;
 952         info->head.val |= INFO_AMP_CAPS;
 953         return 0;
 954 }
 955
 956 /*
 957  * read the current volume to info
 958  * if the cache exists, read the cache value.
 959  */
 960 static unsigned int get_vol_mute(struct hda_codec *codec,
 961                                  struct hda_amp_info *info, hda_nid_t nid,
 962                                  int ch, int direction, int index)
 963 {
 964         u32 val, parm;
 965
 966         if (info->head.val & INFO_AMP_VOL(ch))
 967                 return info->vol[ch];
 968
 969         parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
 970         parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
 971         parm |= index;
 972         val = snd_hda_codec_read(codec, nid, 0,
 973                                  AC_VERB_GET_AMP_GAIN_MUTE, parm);
 974         info->vol[ch] = val & 0xff;
 975         info->head.val |= INFO_AMP_VOL(ch);
 976         return info->vol[ch];
 977 }
 978
 979 /*
 980  * write the current volume in info to the h/w and update the cache
 981  */
 982 static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
 983                          hda_nid_t nid, int ch, int direction, int index,
 984                          int val)
 985 {
 986         u32 parm;
 987
 988         parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
 989         parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
 990         parm |= index << AC_AMP_SET_INDEX_SHIFT;
 991         parm |= val;
 992         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
 993         info->vol[ch] = val;
 994 }
 995
 996 /*
 997  * read AMP value.  The volume is between 0 to 0x7f, 0x80 = mute bit.
 998  */
 999 int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
1000                            int direction, int index)
1001 {
1002         struct hda_amp_info *info;
1003         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
1004         if (!info)
1005                 return 0;
1006         return get_vol_mute(codec, info, nid, ch, direction, index);
1007 }
1008
1009 /*
1010  * update the AMP value, mask = bit mask to set, val = the value
1011  */
1012 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
1013                              int direction, int idx, int mask, int val)
1014 {
1015         struct hda_amp_info *info;
1016
1017         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx));
1018         if (!info)
1019                 return 0;
1020         val &= mask;
1021         val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask;
1022         if (info->vol[ch] == val)
1023                 return 0;
1024         put_vol_mute(codec, info, nid, ch, direction, idx, val);
1025         return 1;
1026 }
1027
1028 /*
1029  * update the AMP stereo with the same mask and value
1030  */
1031 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
1032                              int direction, int idx, int mask, int val)
1033 {
1034         int ch, ret = 0;
1035         for (ch = 0; ch < 2; ch++)
1036                 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
1037                                                 idx, mask, val);
1038         return ret;
1039 }
1040
1041 #ifdef SND_HDA_NEEDS_RESUME
1042 /* resume the all amp commands from the cache */
1043 void snd_hda_codec_resume_amp(struct hda_codec *codec)
1044 {
1045         struct hda_amp_info *buffer = codec->amp_cache.buf.list;
1046         int i;
1047
1048         for (i = 0; i < codec->amp_cache.buf.used; i++, buffer++) {
1049                 u32 key = buffer->head.key;
1050                 hda_nid_t nid;
1051                 unsigned int idx, dir, ch;
1052                 if (!key)
1053                         continue;
1054                 nid = key & 0xff;
1055                 idx = (key >> 16) & 0xff;
1056                 dir = (key >> 24) & 0xff;
1057                 for (ch = 0; ch < 2; ch++) {
1058                         if (!(buffer->head.val & INFO_AMP_VOL(ch)))
1059                                 continue;
1060                         put_vol_mute(codec, buffer, nid, ch, dir, idx,
1061                                      buffer->vol[ch]);
1062                 }
1063         }
1064 }
1065 #endif /* SND_HDA_NEEDS_RESUME */
1066
1067 /* volume */
1068 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
1069                                   struct snd_ctl_elem_info *uinfo)
1070 {
1071         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1072         u16 nid = get_amp_nid(kcontrol);
1073         u8 chs = get_amp_channels(kcontrol);
1074         int dir = get_amp_direction(kcontrol);
1075         u32 caps;
1076
1077         caps = query_amp_caps(codec, nid, dir);
1078         /* num steps */
1079         caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1080         if (!caps) {
1081                 printk(KERN_WARNING "hda_codec: "
1082                        "num_steps = 0 for NID=0x%x (ctl = %s)\n", nid,
1083                        kcontrol->id.name);
1084                 return -EINVAL;
1085         }
1086         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1087         uinfo->count = chs == 3 ? 2 : 1;
1088         uinfo->value.integer.min = 0;
1089         uinfo->value.integer.max = caps;
1090         return 0;
1091 }
1092
1093 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
1094                                  struct snd_ctl_elem_value *ucontrol)
1095 {
1096         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1097         hda_nid_t nid = get_amp_nid(kcontrol);
1098         int chs = get_amp_channels(kcontrol);
1099         int dir = get_amp_direction(kcontrol);
1100         int idx = get_amp_index(kcontrol);
1101         long *valp = ucontrol->value.integer.value;
1102
1103         if (chs & 1)
1104                 *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx)
1105                         & HDA_AMP_VOLMASK;
1106         if (chs & 2)
1107                 *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx)
1108                         & HDA_AMP_VOLMASK;
1109         return 0;
1110 }
1111
1112 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1113                                  struct snd_ctl_elem_value *ucontrol)
1114 {
1115         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1116         hda_nid_t nid = get_amp_nid(kcontrol);
1117         int chs = get_amp_channels(kcontrol);
1118         int dir = get_amp_direction(kcontrol);
1119         int idx = get_amp_index(kcontrol);
1120         long *valp = ucontrol->value.integer.value;
1121         int change = 0;
1122
1123         snd_hda_power_up(codec);
1124         if (chs & 1) {
1125                 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
1126                                                   0x7f, *valp);
1127                 valp++;
1128         }
1129         if (chs & 2)
1130                 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
1131                                                    0x7f, *valp);
1132         snd_hda_power_down(codec);
1133         return change;
1134 }
1135
1136 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1137                           unsigned int size, unsigned int __user *_tlv)
1138 {
1139         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1140         hda_nid_t nid = get_amp_nid(kcontrol);
1141         int dir = get_amp_direction(kcontrol);
1142         u32 caps, val1, val2;
1143
1144         if (size < 4 * sizeof(unsigned int))
1145                 return -ENOMEM;
1146         caps = query_amp_caps(codec, nid, dir);
1147         val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1148         val2 = (val2 + 1) * 25;
1149         val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1150         val1 = ((int)val1) * ((int)val2);
1151         if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
1152                 return -EFAULT;
1153         if (put_user(2 * sizeof(unsigned int), _tlv + 1))
1154                 return -EFAULT;
1155         if (put_user(val1, _tlv + 2))
1156                 return -EFAULT;
1157         if (put_user(val2, _tlv + 3))
1158                 return -EFAULT;
1159         return 0;
1160 }
1161
1162 /*
1163  * set (static) TLV for virtual master volume; recalculated as max 0dB
1164  */
1165 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1166                              unsigned int *tlv)
1167 {
1168         u32 caps;
1169         int nums, step;
1170
1171         caps = query_amp_caps(codec, nid, dir);
1172         nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1173         step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1174         step = (step + 1) * 25;
1175         tlv[0] = SNDRV_CTL_TLVT_DB_SCALE;
1176         tlv[1] = 2 * sizeof(unsigned int);
1177         tlv[2] = -nums * step;
1178         tlv[3] = step;
1179 }
1180
1181 /* find a mixer control element with the given name */
1182 static struct snd_kcontrol *
1183 _snd_hda_find_mixer_ctl(struct hda_codec *codec,
1184                         const char *name, int idx)
1185 {
1186         struct snd_ctl_elem_id id;
1187         memset(&id, 0, sizeof(id));
1188         id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1189         id.index = idx;
1190         strcpy(id.name, name);
1191         return snd_ctl_find_id(codec->bus->card, &id);
1192 }
1193
1194 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1195                                             const char *name)
1196 {
1197         return _snd_hda_find_mixer_ctl(codec, name, 0);
1198 }
1199
1200 /* Add a control element and assign to the codec */
1201 int snd_hda_ctl_add(struct hda_codec *codec, struct snd_kcontrol *kctl)
1202 {
1203         int err;
1204         struct snd_kcontrol **knewp;
1205
1206         err = snd_ctl_add(codec->bus->card, kctl);
1207         if (err < 0)
1208                 return err;
1209         knewp = snd_array_new(&codec->mixers);
1210         if (!knewp)
1211                 return -ENOMEM;
1212         *knewp = kctl;
1213         return 0;
1214 }
1215
1216 /* Clear all controls assigned to the given codec */
1217 void snd_hda_ctls_clear(struct hda_codec *codec)
1218 {
1219         int i;
1220         struct snd_kcontrol **kctls = codec->mixers.list;
1221         for (i = 0; i < codec->mixers.used; i++)
1222                 snd_ctl_remove(codec->bus->card, kctls[i]);
1223         snd_array_free(&codec->mixers);
1224 }
1225
1226 void snd_hda_codec_reset(struct hda_codec *codec)
1227 {
1228         int i;
1229
1230 #ifdef CONFIG_SND_HDA_POWER_SAVE
1231         cancel_delayed_work(&codec->power_work);
1232         flush_scheduled_work();
1233 #endif
1234         snd_hda_ctls_clear(codec);
1235         /* relase PCMs */
1236         for (i = 0; i < codec->num_pcms; i++) {
1237                 if (codec->pcm_info[i].pcm)
1238                         snd_device_free(codec->bus->card,
1239                                         codec->pcm_info[i].pcm);
1240         }
1241         if (codec->patch_ops.free)
1242                 codec->patch_ops.free(codec);
1243         codec->spec = NULL;
1244         free_hda_cache(&codec->amp_cache);
1245         free_hda_cache(&codec->cmd_cache);
1246         codec->num_pcms = 0;
1247         codec->pcm_info = NULL;
1248         codec->preset = NULL;
1249 }
1250
1251 /* create a virtual master control and add slaves */
1252 int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
1253                         unsigned int *tlv, const char **slaves)
1254 {
1255         struct snd_kcontrol *kctl;
1256         const char **s;
1257         int err;
1258
1259         for (s = slaves; *s && !snd_hda_find_mixer_ctl(codec, *s); s++)
1260                 ;
1261         if (!*s) {
1262                 snd_printdd("No slave found for %s\n", name);
1263                 return 0;
1264         }
1265         kctl = snd_ctl_make_virtual_master(name, tlv);
1266         if (!kctl)
1267                 return -ENOMEM;
1268         err = snd_hda_ctl_add(codec, kctl);
1269         if (err < 0)
1270                 return err;
1271
1272         for (s = slaves; *s; s++) {
1273                 struct snd_kcontrol *sctl;
1274
1275                 sctl = snd_hda_find_mixer_ctl(codec, *s);
1276                 if (!sctl) {
1277                         snd_printdd("Cannot find slave %s, skipped\n", *s);
1278                         continue;
1279                 }
1280                 err = snd_ctl_add_slave(kctl, sctl);
1281                 if (err < 0)
1282                         return err;
1283         }
1284         return 0;
1285 }
1286
1287 /* switch */
1288 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
1289                                   struct snd_ctl_elem_info *uinfo)
1290 {
1291         int chs = get_amp_channels(kcontrol);
1292
1293         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1294         uinfo->count = chs == 3 ? 2 : 1;
1295         uinfo->value.integer.min = 0;
1296         uinfo->value.integer.max = 1;
1297         return 0;
1298 }
1299
1300 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
1301                                  struct snd_ctl_elem_value *ucontrol)
1302 {
1303         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1304         hda_nid_t nid = get_amp_nid(kcontrol);
1305         int chs = get_amp_channels(kcontrol);
1306         int dir = get_amp_direction(kcontrol);
1307         int idx = get_amp_index(kcontrol);
1308         long *valp = ucontrol->value.integer.value;
1309
1310         if (chs & 1)
1311                 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
1312                            HDA_AMP_MUTE) ? 0 : 1;
1313         if (chs & 2)
1314                 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
1315                          HDA_AMP_MUTE) ? 0 : 1;
1316         return 0;
1317 }
1318
1319 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
1320                                  struct snd_ctl_elem_value *ucontrol)
1321 {
1322         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1323         hda_nid_t nid = get_amp_nid(kcontrol);
1324         int chs = get_amp_channels(kcontrol);
1325         int dir = get_amp_direction(kcontrol);
1326         int idx = get_amp_index(kcontrol);
1327         long *valp = ucontrol->value.integer.value;
1328         int change = 0;
1329
1330         snd_hda_power_up(codec);
1331         if (chs & 1) {
1332                 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
1333                                                   HDA_AMP_MUTE,
1334                                                   *valp ? 0 : HDA_AMP_MUTE);
1335                 valp++;
1336         }
1337         if (chs & 2)
1338                 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
1339                                                    HDA_AMP_MUTE,
1340                                                    *valp ? 0 : HDA_AMP_MUTE);
1341 #ifdef CONFIG_SND_HDA_POWER_SAVE
1342         if (codec->patch_ops.check_power_status)
1343                 codec->patch_ops.check_power_status(codec, nid);
1344 #endif
1345         snd_hda_power_down(codec);
1346         return change;
1347 }
1348
1349 /*
1350  * bound volume controls
1351  *
1352  * bind multiple volumes (# indices, from 0)
1353  */
1354
1355 #define AMP_VAL_IDX_SHIFT       19
1356 #define AMP_VAL_IDX_MASK        (0x0f<<19)
1357
1358 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
1359                                   struct snd_ctl_elem_value *ucontrol)
1360 {
1361         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1362         unsigned long pval;
1363         int err;
1364
1365         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1366         pval = kcontrol->private_value;
1367         kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
1368         err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
1369         kcontrol->private_value = pval;
1370         mutex_unlock(&codec->spdif_mutex);
1371         return err;
1372 }
1373
1374 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
1375                                   struct snd_ctl_elem_value *ucontrol)
1376 {
1377         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1378         unsigned long pval;
1379         int i, indices, err = 0, change = 0;
1380
1381         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1382         pval = kcontrol->private_value;
1383         indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
1384         for (i = 0; i < indices; i++) {
1385                 kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) |
1386                         (i << AMP_VAL_IDX_SHIFT);
1387                 err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
1388                 if (err < 0)
1389                         break;
1390                 change |= err;
1391         }
1392         kcontrol->private_value = pval;
1393         mutex_unlock(&codec->spdif_mutex);
1394         return err < 0 ? err : change;
1395 }
1396
1397 /*
1398  * generic bound volume/swtich controls
1399  */
1400 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
1401                                  struct snd_ctl_elem_info *uinfo)
1402 {
1403         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1404         struct hda_bind_ctls *c;
1405         int err;
1406
1407         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1408         c = (struct hda_bind_ctls *)kcontrol->private_value;
1409         kcontrol->private_value = *c->values;
1410         err = c->ops->info(kcontrol, uinfo);
1411         kcontrol->private_value = (long)c;
1412         mutex_unlock(&codec->spdif_mutex);
1413         return err;
1414 }
1415
1416 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
1417                                 struct snd_ctl_elem_value *ucontrol)
1418 {
1419         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1420         struct hda_bind_ctls *c;
1421         int err;
1422
1423         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1424         c = (struct hda_bind_ctls *)kcontrol->private_value;
1425         kcontrol->private_value = *c->values;
1426         err = c->ops->get(kcontrol, ucontrol);
1427         kcontrol->private_value = (long)c;
1428         mutex_unlock(&codec->spdif_mutex);
1429         return err;
1430 }
1431
1432 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
1433                                 struct snd_ctl_elem_value *ucontrol)
1434 {
1435         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1436         struct hda_bind_ctls *c;
1437         unsigned long *vals;
1438         int err = 0, change = 0;
1439
1440         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1441         c = (struct hda_bind_ctls *)kcontrol->private_value;
1442         for (vals = c->values; *vals; vals++) {
1443                 kcontrol->private_value = *vals;
1444                 err = c->ops->put(kcontrol, ucontrol);
1445                 if (err < 0)
1446                         break;
1447                 change |= err;
1448         }
1449         kcontrol->private_value = (long)c;
1450         mutex_unlock(&codec->spdif_mutex);
1451         return err < 0 ? err : change;
1452 }
1453
1454 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1455                            unsigned int size, unsigned int __user *tlv)
1456 {
1457         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1458         struct hda_bind_ctls *c;
1459         int err;
1460
1461         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1462         c = (struct hda_bind_ctls *)kcontrol->private_value;
1463         kcontrol->private_value = *c->values;
1464         err = c->ops->tlv(kcontrol, op_flag, size, tlv);
1465         kcontrol->private_value = (long)c;
1466         mutex_unlock(&codec->spdif_mutex);
1467         return err;
1468 }
1469
1470 struct hda_ctl_ops snd_hda_bind_vol = {
1471         .info = snd_hda_mixer_amp_volume_info,
1472         .get = snd_hda_mixer_amp_volume_get,
1473         .put = snd_hda_mixer_amp_volume_put,
1474         .tlv = snd_hda_mixer_amp_tlv
1475 };
1476
1477 struct hda_ctl_ops snd_hda_bind_sw = {
1478         .info = snd_hda_mixer_amp_switch_info,
1479         .get = snd_hda_mixer_amp_switch_get,
1480         .put = snd_hda_mixer_amp_switch_put,
1481         .tlv = snd_hda_mixer_amp_tlv
1482 };
1483
1484 /*
1485  * SPDIF out controls
1486  */
1487
1488 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
1489                                    struct snd_ctl_elem_info *uinfo)
1490 {
1491         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1492         uinfo->count = 1;
1493         return 0;
1494 }
1495
1496 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
1497                                    struct snd_ctl_elem_value *ucontrol)
1498 {
1499         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1500                                            IEC958_AES0_NONAUDIO |
1501                                            IEC958_AES0_CON_EMPHASIS_5015 |
1502                                            IEC958_AES0_CON_NOT_COPYRIGHT;
1503         ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
1504                                            IEC958_AES1_CON_ORIGINAL;
1505         return 0;
1506 }
1507
1508 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
1509                                    struct snd_ctl_elem_value *ucontrol)
1510 {
1511         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1512                                            IEC958_AES0_NONAUDIO |
1513                                            IEC958_AES0_PRO_EMPHASIS_5015;
1514         return 0;
1515 }
1516
1517 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
1518                                      struct snd_ctl_elem_value *ucontrol)
1519 {
1520         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1521
1522         ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff;
1523         ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff;
1524         ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff;
1525         ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff;
1526
1527         return 0;
1528 }
1529
1530 /* convert from SPDIF status bits to HDA SPDIF bits
1531  * bit 0 (DigEn) is always set zero (to be filled later)
1532  */
1533 static unsigned short convert_from_spdif_status(unsigned int sbits)
1534 {
1535         unsigned short val = 0;
1536
1537         if (sbits & IEC958_AES0_PROFESSIONAL)
1538                 val |= AC_DIG1_PROFESSIONAL;
1539         if (sbits & IEC958_AES0_NONAUDIO)
1540                 val |= AC_DIG1_NONAUDIO;
1541         if (sbits & IEC958_AES0_PROFESSIONAL) {
1542                 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
1543                     IEC958_AES0_PRO_EMPHASIS_5015)
1544                         val |= AC_DIG1_EMPHASIS;
1545         } else {
1546                 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
1547                     IEC958_AES0_CON_EMPHASIS_5015)
1548                         val |= AC_DIG1_EMPHASIS;
1549                 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
1550                         val |= AC_DIG1_COPYRIGHT;
1551                 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
1552                         val |= AC_DIG1_LEVEL;
1553                 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
1554         }
1555         return val;
1556 }
1557
1558 /* convert to SPDIF status bits from HDA SPDIF bits
1559  */
1560 static unsigned int convert_to_spdif_status(unsigned short val)
1561 {
1562         unsigned int sbits = 0;
1563
1564         if (val & AC_DIG1_NONAUDIO)
1565                 sbits |= IEC958_AES0_NONAUDIO;
1566         if (val & AC_DIG1_PROFESSIONAL)
1567                 sbits |= IEC958_AES0_PROFESSIONAL;
1568         if (sbits & IEC958_AES0_PROFESSIONAL) {
1569                 if (sbits & AC_DIG1_EMPHASIS)
1570                         sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
1571         } else {
1572                 if (val & AC_DIG1_EMPHASIS)
1573                         sbits |= IEC958_AES0_CON_EMPHASIS_5015;
1574                 if (!(val & AC_DIG1_COPYRIGHT))
1575                         sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
1576                 if (val & AC_DIG1_LEVEL)
1577                         sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
1578                 sbits |= val & (0x7f << 8);
1579         }
1580         return sbits;
1581 }
1582
1583 /* set digital convert verbs both for the given NID and its slaves */
1584 static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
1585                         int verb, int val)
1586 {
1587         hda_nid_t *d;
1588
1589         snd_hda_codec_write(codec, nid, 0, verb, val);
1590         d = codec->slave_dig_outs;
1591         if (!d)
1592                 return;
1593         for (; *d; d++)
1594                 snd_hda_codec_write(codec, *d, 0, verb, val);
1595 }
1596
1597 static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
1598                                        int dig1, int dig2)
1599 {
1600         if (dig1 != -1)
1601                 set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_1, dig1);
1602         if (dig2 != -1)
1603                 set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_2, dig2);
1604 }
1605
1606 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
1607                                      struct snd_ctl_elem_value *ucontrol)
1608 {
1609         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1610         hda_nid_t nid = kcontrol->private_value;
1611         unsigned short val;
1612         int change;
1613
1614         mutex_lock(&codec->spdif_mutex);
1615         codec->spdif_status = ucontrol->value.iec958.status[0] |
1616                 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
1617                 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
1618                 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
1619         val = convert_from_spdif_status(codec->spdif_status);
1620         val |= codec->spdif_ctls & 1;
1621         change = codec->spdif_ctls != val;
1622         codec->spdif_ctls = val;
1623
1624         if (change)
1625                 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
1626
1627         mutex_unlock(&codec->spdif_mutex);
1628         return change;
1629 }
1630
1631 #define snd_hda_spdif_out_switch_info   snd_ctl_boolean_mono_info
1632
1633 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
1634                                         struct snd_ctl_elem_value *ucontrol)
1635 {
1636         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1637
1638         ucontrol->value.integer.value[0] = codec->spdif_ctls & AC_DIG1_ENABLE;
1639         return 0;
1640 }
1641
1642 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
1643                                         struct snd_ctl_elem_value *ucontrol)
1644 {
1645         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1646         hda_nid_t nid = kcontrol->private_value;
1647         unsigned short val;
1648         int change;
1649
1650         mutex_lock(&codec->spdif_mutex);
1651         val = codec->spdif_ctls & ~AC_DIG1_ENABLE;
1652         if (ucontrol->value.integer.value[0])
1653                 val |= AC_DIG1_ENABLE;
1654         change = codec->spdif_ctls != val;
1655         if (change) {
1656                 codec->spdif_ctls = val;
1657                 set_dig_out_convert(codec, nid, val & 0xff, -1);
1658                 /* unmute amp switch (if any) */
1659                 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
1660                     (val & AC_DIG1_ENABLE))
1661                         snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
1662                                                  HDA_AMP_MUTE, 0);
1663         }
1664         mutex_unlock(&codec->spdif_mutex);
1665         return change;
1666 }
1667
1668 static struct snd_kcontrol_new dig_mixes[] = {
1669         {
1670                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1671                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1672                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1673                 .info = snd_hda_spdif_mask_info,
1674                 .get = snd_hda_spdif_cmask_get,
1675         },
1676         {
1677                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1678                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1679                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1680                 .info = snd_hda_spdif_mask_info,
1681                 .get = snd_hda_spdif_pmask_get,
1682         },
1683         {
1684                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1685                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1686                 .info = snd_hda_spdif_mask_info,
1687                 .get = snd_hda_spdif_default_get,
1688                 .put = snd_hda_spdif_default_put,
1689         },
1690         {
1691                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1692                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1693                 .info = snd_hda_spdif_out_switch_info,
1694                 .get = snd_hda_spdif_out_switch_get,
1695                 .put = snd_hda_spdif_out_switch_put,
1696         },
1697         { } /* end */
1698 };
1699
1700 #define SPDIF_MAX_IDX   4       /* 4 instances should be enough to probe */
1701
1702 /**
1703  * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1704  * @codec: the HDA codec
1705  * @nid: audio out widget NID
1706  *
1707  * Creates controls related with the SPDIF output.
1708  * Called from each patch supporting the SPDIF out.
1709  *
1710  * Returns 0 if successful, or a negative error code.
1711  */
1712 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid)
1713 {
1714         int err;
1715         struct snd_kcontrol *kctl;
1716         struct snd_kcontrol_new *dig_mix;
1717         int idx;
1718
1719         for (idx = 0; idx < SPDIF_MAX_IDX; idx++) {
1720                 if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Playback Switch",
1721                                              idx))
1722                         break;
1723         }
1724         if (idx >= SPDIF_MAX_IDX) {
1725                 printk(KERN_ERR "hda_codec: too many IEC958 outputs\n");
1726                 return -EBUSY;
1727         }
1728         for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
1729                 kctl = snd_ctl_new1(dig_mix, codec);
1730                 if (!kctl)
1731                         return -ENOMEM;
1732                 kctl->id.index = idx;
1733                 kctl->private_value = nid;
1734                 err = snd_hda_ctl_add(codec, kctl);
1735                 if (err < 0)
1736                         return err;
1737         }
1738         codec->spdif_ctls =
1739                 snd_hda_codec_read(codec, nid, 0,
1740                                    AC_VERB_GET_DIGI_CONVERT_1, 0);
1741         codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
1742         return 0;
1743 }
1744
1745 /*
1746  * SPDIF sharing with analog output
1747  */
1748 static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
1749                               struct snd_ctl_elem_value *ucontrol)
1750 {
1751         struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
1752         ucontrol->value.integer.value[0] = mout->share_spdif;
1753         return 0;
1754 }
1755
1756 static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
1757                               struct snd_ctl_elem_value *ucontrol)
1758 {
1759         struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
1760         mout->share_spdif = !!ucontrol->value.integer.value[0];
1761         return 0;
1762 }
1763
1764 static struct snd_kcontrol_new spdif_share_sw = {
1765         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1766         .name = "IEC958 Default PCM Playback Switch",
1767         .info = snd_ctl_boolean_mono_info,
1768         .get = spdif_share_sw_get,
1769         .put = spdif_share_sw_put,
1770 };
1771
1772 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
1773                                   struct hda_multi_out *mout)
1774 {
1775         if (!mout->dig_out_nid)
1776                 return 0;
1777         /* ATTENTION: here mout is passed as private_data, instead of codec */
1778         return snd_hda_ctl_add(codec,
1779                            snd_ctl_new1(&spdif_share_sw, mout));
1780 }
1781
1782 /*
1783  * SPDIF input
1784  */
1785
1786 #define snd_hda_spdif_in_switch_info    snd_hda_spdif_out_switch_info
1787
1788 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
1789                                        struct snd_ctl_elem_value *ucontrol)
1790 {
1791         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1792
1793         ucontrol->value.integer.value[0] = codec->spdif_in_enable;
1794         return 0;
1795 }
1796
1797 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
1798                                        struct snd_ctl_elem_value *ucontrol)
1799 {
1800         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1801         hda_nid_t nid = kcontrol->private_value;
1802         unsigned int val = !!ucontrol->value.integer.value[0];
1803         int change;
1804
1805         mutex_lock(&codec->spdif_mutex);
1806         change = codec->spdif_in_enable != val;
1807         if (change) {
1808                 codec->spdif_in_enable = val;
1809                 snd_hda_codec_write_cache(codec, nid, 0,
1810                                           AC_VERB_SET_DIGI_CONVERT_1, val);
1811         }
1812         mutex_unlock(&codec->spdif_mutex);
1813         return change;
1814 }
1815
1816 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
1817                                        struct snd_ctl_elem_value *ucontrol)
1818 {
1819         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1820         hda_nid_t nid = kcontrol->private_value;
1821         unsigned short val;
1822         unsigned int sbits;
1823
1824         val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT_1, 0);
1825         sbits = convert_to_spdif_status(val);
1826         ucontrol->value.iec958.status[0] = sbits;
1827         ucontrol->value.iec958.status[1] = sbits >> 8;
1828         ucontrol->value.iec958.status[2] = sbits >> 16;
1829         ucontrol->value.iec958.status[3] = sbits >> 24;
1830         return 0;
1831 }
1832
1833 static struct snd_kcontrol_new dig_in_ctls[] = {
1834         {
1835                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1836                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
1837                 .info = snd_hda_spdif_in_switch_info,
1838                 .get = snd_hda_spdif_in_switch_get,
1839                 .put = snd_hda_spdif_in_switch_put,
1840         },
1841         {
1842                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1843                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1844                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1845                 .info = snd_hda_spdif_mask_info,
1846                 .get = snd_hda_spdif_in_status_get,
1847         },
1848         { } /* end */
1849 };
1850
1851 /**
1852  * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1853  * @codec: the HDA codec
1854  * @nid: audio in widget NID
1855  *
1856  * Creates controls related with the SPDIF input.
1857  * Called from each patch supporting the SPDIF in.
1858  *
1859  * Returns 0 if successful, or a negative error code.
1860  */
1861 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
1862 {
1863         int err;
1864         struct snd_kcontrol *kctl;
1865         struct snd_kcontrol_new *dig_mix;
1866         int idx;
1867
1868         for (idx = 0; idx < SPDIF_MAX_IDX; idx++) {
1869                 if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Capture Switch",
1870                                              idx))
1871                         break;
1872         }
1873         if (idx >= SPDIF_MAX_IDX) {
1874                 printk(KERN_ERR "hda_codec: too many IEC958 inputs\n");
1875                 return -EBUSY;
1876         }
1877         for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
1878                 kctl = snd_ctl_new1(dig_mix, codec);
1879                 kctl->private_value = nid;
1880                 err = snd_hda_ctl_add(codec, kctl);
1881                 if (err < 0)
1882                         return err;
1883         }
1884         codec->spdif_in_enable =
1885                 snd_hda_codec_read(codec, nid, 0,
1886                                    AC_VERB_GET_DIGI_CONVERT_1, 0) &
1887                 AC_DIG1_ENABLE;
1888         return 0;
1889 }
1890
1891 #ifdef SND_HDA_NEEDS_RESUME
1892 /*
1893  * command cache
1894  */
1895
1896 /* build a 32bit cache key with the widget id and the command parameter */
1897 #define build_cmd_cache_key(nid, verb)  ((verb << 8) | nid)
1898 #define get_cmd_cache_nid(key)          ((key) & 0xff)
1899 #define get_cmd_cache_cmd(key)          (((key) >> 8) & 0xffff)
1900
1901 /**
1902  * snd_hda_codec_write_cache - send a single command with caching
1903  * @codec: the HDA codec
1904  * @nid: NID to send the command
1905  * @direct: direct flag
1906  * @verb: the verb to send
1907  * @parm: the parameter for the verb
1908  *
1909  * Send a single command without waiting for response.
1910  *
1911  * Returns 0 if successful, or a negative error code.
1912  */
1913 int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
1914                               int direct, unsigned int verb, unsigned int parm)
1915 {
1916         struct hda_bus *bus = codec->bus;
1917         unsigned int res;
1918         int err;
1919
1920         res = make_codec_cmd(codec, nid, direct, verb, parm);
1921         snd_hda_power_up(codec);
1922         mutex_lock(&bus->cmd_mutex);
1923         err = bus->ops.command(bus, res);
1924         if (!err) {
1925                 struct hda_cache_head *c;
1926                 u32 key = build_cmd_cache_key(nid, verb);
1927                 c = get_alloc_hash(&codec->cmd_cache, key);
1928                 if (c)
1929                         c->val = parm;
1930         }
1931         mutex_unlock(&bus->cmd_mutex);
1932         snd_hda_power_down(codec);
1933         return err;
1934 }
1935
1936 /* resume the all commands from the cache */
1937 void snd_hda_codec_resume_cache(struct hda_codec *codec)
1938 {
1939         struct hda_cache_head *buffer = codec->cmd_cache.buf.list;
1940         int i;
1941
1942         for (i = 0; i < codec->cmd_cache.buf.used; i++, buffer++) {
1943                 u32 key = buffer->key;
1944                 if (!key)
1945                         continue;
1946                 snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0,
1947                                     get_cmd_cache_cmd(key), buffer->val);
1948         }
1949 }
1950
1951 /**
1952  * snd_hda_sequence_write_cache - sequence writes with caching
1953  * @codec: the HDA codec
1954  * @seq: VERB array to send
1955  *
1956  * Send the commands sequentially from the given array.
1957  * Thte commands are recorded on cache for power-save and resume.
1958  * The array must be terminated with NID=0.
1959  */
1960 void snd_hda_sequence_write_cache(struct hda_codec *codec,
1961                                   const struct hda_verb *seq)
1962 {
1963         for (; seq->nid; seq++)
1964                 snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb,
1965                                           seq->param);
1966 }
1967 #endif /* SND_HDA_NEEDS_RESUME */
1968
1969 /*
1970  * set power state of the codec
1971  */
1972 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
1973                                 unsigned int power_state)
1974 {
1975         hda_nid_t nid;
1976         int i;
1977
1978         snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE,
1979                             power_state);
1980         msleep(10); /* partial workaround for "azx_get_response timeout" */
1981
1982         nid = codec->start_nid;
1983         for (i = 0; i < codec->num_nodes; i++, nid++) {
1984                 unsigned int wcaps = get_wcaps(codec, nid);
1985                 if (wcaps & AC_WCAP_POWER) {
1986                         unsigned int wid_type = (wcaps & AC_WCAP_TYPE) >>
1987                                 AC_WCAP_TYPE_SHIFT;
1988                         if (wid_type == AC_WID_PIN) {
1989                                 unsigned int pincap;
1990                                 /*
1991                                  * don't power down the widget if it controls
1992                                  * eapd and EAPD_BTLENABLE is set.
1993                                  */
1994                                 pincap = snd_hda_param_read(codec, nid,
1995                                                             AC_PAR_PIN_CAP);
1996                                 if (pincap & AC_PINCAP_EAPD) {
1997                                         int eapd = snd_hda_codec_read(codec,
1998                                                 nid, 0,
1999                                                 AC_VERB_GET_EAPD_BTLENABLE, 0);
2000                                         eapd &= 0x02;
2001                                         if (power_state == AC_PWRST_D3 && eapd)
2002                                                 continue;
2003                                 }
2004                         }
2005                         snd_hda_codec_write(codec, nid, 0,
2006                                             AC_VERB_SET_POWER_STATE,
2007                                             power_state);
2008                 }
2009         }
2010
2011         if (power_state == AC_PWRST_D0) {
2012                 unsigned long end_time;
2013                 int state;
2014                 msleep(10);
2015                 /* wait until the codec reachs to D0 */
2016                 end_time = jiffies + msecs_to_jiffies(500);
2017                 do {
2018                         state = snd_hda_codec_read(codec, fg, 0,
2019                                                    AC_VERB_GET_POWER_STATE, 0);
2020                         if (state == power_state)
2021                                 break;
2022                         msleep(1);
2023                 } while (time_after_eq(end_time, jiffies));
2024         }
2025 }
2026
2027 #ifdef CONFIG_SND_HDA_HWDEP
2028 /* execute additional init verbs */
2029 static void hda_exec_init_verbs(struct hda_codec *codec)
2030 {
2031         if (codec->init_verbs.list)
2032                 snd_hda_sequence_write(codec, codec->init_verbs.list);
2033 }
2034 #else
2035 static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
2036 #endif
2037
2038 #ifdef SND_HDA_NEEDS_RESUME
2039 /*
2040  * call suspend and power-down; used both from PM and power-save
2041  */
2042 static void hda_call_codec_suspend(struct hda_codec *codec)
2043 {
2044         if (codec->patch_ops.suspend)
2045                 codec->patch_ops.suspend(codec, PMSG_SUSPEND);
2046         hda_set_power_state(codec,
2047                             codec->afg ? codec->afg : codec->mfg,
2048                             AC_PWRST_D3);
2049 #ifdef CONFIG_SND_HDA_POWER_SAVE
2050         cancel_delayed_work(&codec->power_work);
2051         codec->power_on = 0;
2052         codec->power_transition = 0;
2053 #endif
2054 }
2055
2056 /*
2057  * kick up codec; used both from PM and power-save
2058  */
2059 static void hda_call_codec_resume(struct hda_codec *codec)
2060 {
2061         hda_set_power_state(codec,
2062                             codec->afg ? codec->afg : codec->mfg,
2063                             AC_PWRST_D0);
2064         hda_exec_init_verbs(codec);
2065         if (codec->patch_ops.resume)
2066                 codec->patch_ops.resume(codec);
2067         else {
2068                 if (codec->patch_ops.init)
2069                         codec->patch_ops.init(codec);
2070                 snd_hda_codec_resume_amp(codec);
2071                 snd_hda_codec_resume_cache(codec);
2072         }
2073 }
2074 #endif /* SND_HDA_NEEDS_RESUME */
2075
2076
2077 /**
2078  * snd_hda_build_controls - build mixer controls
2079  * @bus: the BUS
2080  *
2081  * Creates mixer controls for each codec included in the bus.
2082  *
2083  * Returns 0 if successful, otherwise a negative error code.
2084  */
2085 int __devinit snd_hda_build_controls(struct hda_bus *bus)
2086 {
2087         struct hda_codec *codec;
2088
2089         list_for_each_entry(codec, &bus->codec_list, list) {
2090                 int err = snd_hda_codec_build_controls(codec);
2091                 if (err < 0)
2092                         return err;
2093         }
2094         return 0;
2095 }
2096
2097 int snd_hda_codec_build_controls(struct hda_codec *codec)
2098 {
2099         int err = 0;
2100         /* fake as if already powered-on */
2101         hda_keep_power_on(codec);
2102         /* then fire up */
2103         hda_set_power_state(codec,
2104                             codec->afg ? codec->afg : codec->mfg,
2105                             AC_PWRST_D0);
2106         hda_exec_init_verbs(codec);
2107         /* continue to initialize... */
2108         if (codec->patch_ops.init)
2109                 err = codec->patch_ops.init(codec);
2110         if (!err && codec->patch_ops.build_controls)
2111                 err = codec->patch_ops.build_controls(codec);
2112         snd_hda_power_down(codec);
2113         if (err < 0)
2114                 return err;
2115         return 0;
2116 }
2117
2118 /*
2119  * stream formats
2120  */
2121 struct hda_rate_tbl {
2122         unsigned int hz;
2123         unsigned int alsa_bits;
2124         unsigned int hda_fmt;
2125 };
2126
2127 static struct hda_rate_tbl rate_bits[] = {
2128         /* rate in Hz, ALSA rate bitmask, HDA format value */
2129
2130         /* autodetected value used in snd_hda_query_supported_pcm */
2131         { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
2132         { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
2133         { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
2134         { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
2135         { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
2136         { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
2137         { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
2138         { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
2139         { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
2140         { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
2141         { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
2142 #define AC_PAR_PCM_RATE_BITS    11
2143         /* up to bits 10, 384kHZ isn't supported properly */
2144
2145         /* not autodetected value */
2146         { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
2147
2148         { 0 } /* terminator */
2149 };
2150
2151 /**
2152  * snd_hda_calc_stream_format - calculate format bitset
2153  * @rate: the sample rate
2154  * @channels: the number of channels
2155  * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
2156  * @maxbps: the max. bps
2157  *
2158  * Calculate the format bitset from the given rate, channels and th PCM format.
2159  *
2160  * Return zero if invalid.
2161  */
2162 unsigned int snd_hda_calc_stream_format(unsigned int rate,
2163                                         unsigned int channels,
2164                                         unsigned int format,
2165                                         unsigned int maxbps)
2166 {
2167         int i;
2168         unsigned int val = 0;
2169
2170         for (i = 0; rate_bits[i].hz; i++)
2171                 if (rate_bits[i].hz == rate) {
2172                         val = rate_bits[i].hda_fmt;
2173                         break;
2174                 }
2175         if (!rate_bits[i].hz) {
2176                 snd_printdd("invalid rate %d\n", rate);
2177                 return 0;
2178         }
2179
2180         if (channels == 0 || channels > 8) {
2181                 snd_printdd("invalid channels %d\n", channels);
2182                 return 0;
2183         }
2184         val |= channels - 1;
2185
2186         switch (snd_pcm_format_width(format)) {
2187         case 8:  val |= 0x00; break;
2188         case 16: val |= 0x10; break;
2189         case 20:
2190         case 24:
2191         case 32:
2192                 if (maxbps >= 32)
2193                         val |= 0x40;
2194                 else if (maxbps >= 24)
2195                         val |= 0x30;
2196                 else
2197                         val |= 0x20;
2198                 break;
2199         default:
2200                 snd_printdd("invalid format width %d\n",
2201                             snd_pcm_format_width(format));
2202                 return 0;
2203         }
2204
2205         return val;
2206 }
2207
2208 /**
2209  * snd_hda_query_supported_pcm - query the supported PCM rates and formats
2210  * @codec: the HDA codec
2211  * @nid: NID to query
2212  * @ratesp: the pointer to store the detected rate bitflags
2213  * @formatsp: the pointer to store the detected formats
2214  * @bpsp: the pointer to store the detected format widths
2215  *
2216  * Queries the supported PCM rates and formats.  The NULL @ratesp, @formatsp
2217  * or @bsps argument is ignored.
2218  *
2219  * Returns 0 if successful, otherwise a negative error code.
2220  */
2221 int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
2222                                 u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
2223 {
2224         int i;
2225         unsigned int val, streams;
2226
2227         val = 0;
2228         if (nid != codec->afg &&
2229             (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
2230                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
2231                 if (val == -1)
2232                         return -EIO;
2233         }
2234         if (!val)
2235                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
2236
2237         if (ratesp) {
2238                 u32 rates = 0;
2239                 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) {
2240                         if (val & (1 << i))
2241                                 rates |= rate_bits[i].alsa_bits;
2242                 }
2243                 *ratesp = rates;
2244         }
2245
2246         if (formatsp || bpsp) {
2247                 u64 formats = 0;
2248                 unsigned int bps;
2249                 unsigned int wcaps;
2250
2251                 wcaps = get_wcaps(codec, nid);
2252                 streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
2253                 if (streams == -1)
2254                         return -EIO;
2255                 if (!streams) {
2256                         streams = snd_hda_param_read(codec, codec->afg,
2257                                                      AC_PAR_STREAM);
2258                         if (streams == -1)
2259                                 return -EIO;
2260                 }
2261
2262                 bps = 0;
2263                 if (streams & AC_SUPFMT_PCM) {
2264                         if (val & AC_SUPPCM_BITS_8) {
2265                                 formats |= SNDRV_PCM_FMTBIT_U8;
2266                                 bps = 8;
2267                         }
2268                         if (val & AC_SUPPCM_BITS_16) {
2269                                 formats |= SNDRV_PCM_FMTBIT_S16_LE;
2270                                 bps = 16;
2271                         }
2272                         if (wcaps & AC_WCAP_DIGITAL) {
2273                                 if (val & AC_SUPPCM_BITS_32)
2274                                         formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
2275                                 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
2276                                         formats |= SNDRV_PCM_FMTBIT_S32_LE;
2277                                 if (val & AC_SUPPCM_BITS_24)
2278                                         bps = 24;
2279                                 else if (val & AC_SUPPCM_BITS_20)
2280                                         bps = 20;
2281                         } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|
2282                                           AC_SUPPCM_BITS_32)) {
2283                                 formats |= SNDRV_PCM_FMTBIT_S32_LE;
2284                                 if (val & AC_SUPPCM_BITS_32)
2285                                         bps = 32;
2286                                 else if (val & AC_SUPPCM_BITS_24)
2287                                         bps = 24;
2288                                 else if (val & AC_SUPPCM_BITS_20)
2289                                         bps = 20;
2290                         }
2291                 }
2292                 else if (streams == AC_SUPFMT_FLOAT32) {
2293                         /* should be exclusive */
2294                         formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
2295                         bps = 32;
2296                 } else if (streams == AC_SUPFMT_AC3) {
2297                         /* should be exclusive */
2298                         /* temporary hack: we have still no proper support
2299                          * for the direct AC3 stream...
2300                          */
2301                         formats |= SNDRV_PCM_FMTBIT_U8;
2302                         bps = 8;
2303                 }
2304                 if (formatsp)
2305                         *formatsp = formats;
2306                 if (bpsp)
2307                         *bpsp = bps;
2308         }
2309
2310         return 0;
2311 }
2312
2313 /**
2314  * snd_hda_is_supported_format - check whether the given node supports
2315  * the format val
2316  *
2317  * Returns 1 if supported, 0 if not.
2318  */
2319 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
2320                                 unsigned int format)
2321 {
2322         int i;
2323         unsigned int val = 0, rate, stream;
2324
2325         if (nid != codec->afg &&
2326             (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
2327                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
2328                 if (val == -1)
2329                         return 0;
2330         }
2331         if (!val) {
2332                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
2333                 if (val == -1)
2334                         return 0;
2335         }
2336
2337         rate = format & 0xff00;
2338         for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)
2339                 if (rate_bits[i].hda_fmt == rate) {
2340                         if (val & (1 << i))
2341                                 break;
2342                         return 0;
2343                 }
2344         if (i >= AC_PAR_PCM_RATE_BITS)
2345                 return 0;
2346
2347         stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
2348         if (stream == -1)
2349                 return 0;
2350         if (!stream && nid != codec->afg)
2351                 stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
2352         if (!stream || stream == -1)
2353                 return 0;
2354
2355         if (stream & AC_SUPFMT_PCM) {
2356                 switch (format & 0xf0) {
2357                 case 0x00:
2358                         if (!(val & AC_SUPPCM_BITS_8))
2359                                 return 0;
2360                         break;
2361                 case 0x10:
2362                         if (!(val & AC_SUPPCM_BITS_16))
2363                                 return 0;
2364                         break;
2365                 case 0x20:
2366                         if (!(val & AC_SUPPCM_BITS_20))
2367                                 return 0;
2368                         break;
2369                 case 0x30:
2370                         if (!(val & AC_SUPPCM_BITS_24))
2371                                 return 0;
2372                         break;
2373                 case 0x40:
2374                         if (!(val & AC_SUPPCM_BITS_32))
2375                                 return 0;
2376                         break;
2377                 default:
2378                         return 0;
2379                 }
2380         } else {
2381                 /* FIXME: check for float32 and AC3? */
2382         }
2383
2384         return 1;
2385 }
2386
2387 /*
2388  * PCM stuff
2389  */
2390 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
2391                                       struct hda_codec *codec,
2392                                       struct snd_pcm_substream *substream)
2393 {
2394         return 0;
2395 }
2396
2397 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
2398                                    struct hda_codec *codec,
2399                                    unsigned int stream_tag,
2400                                    unsigned int format,
2401                                    struct snd_pcm_substream *substream)
2402 {
2403         snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
2404         return 0;
2405 }
2406
2407 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
2408                                    struct hda_codec *codec,
2409                                    struct snd_pcm_substream *substream)
2410 {
2411         snd_hda_codec_cleanup_stream(codec, hinfo->nid);
2412         return 0;
2413 }
2414
2415 static int set_pcm_default_values(struct hda_codec *codec,
2416                                   struct hda_pcm_stream *info)
2417 {
2418         /* query support PCM information from the given NID */
2419         if (info->nid && (!info->rates || !info->formats)) {
2420                 snd_hda_query_supported_pcm(codec, info->nid,
2421                                 info->rates ? NULL : &info->rates,
2422                                 info->formats ? NULL : &info->formats,
2423                                 info->maxbps ? NULL : &info->maxbps);
2424         }
2425         if (info->ops.open == NULL)
2426                 info->ops.open = hda_pcm_default_open_close;
2427         if (info->ops.close == NULL)
2428                 info->ops.close = hda_pcm_default_open_close;
2429         if (info->ops.prepare == NULL) {
2430                 if (snd_BUG_ON(!info->nid))
2431                         return -EINVAL;
2432                 info->ops.prepare = hda_pcm_default_prepare;
2433         }
2434         if (info->ops.cleanup == NULL) {
2435                 if (snd_BUG_ON(!info->nid))
2436                         return -EINVAL;
2437                 info->ops.cleanup = hda_pcm_default_cleanup;
2438         }
2439         return 0;
2440 }
2441
2442 /*
2443  * attach a new PCM stream
2444  */
2445 static int __devinit
2446 snd_hda_attach_pcm(struct hda_codec *codec, struct hda_pcm *pcm)
2447 {
2448         struct hda_bus *bus = codec->bus;
2449         struct hda_pcm_stream *info;
2450         int stream, err;
2451
2452         if (snd_BUG_ON(!pcm->name))
2453                 return -EINVAL;
2454         for (stream = 0; stream < 2; stream++) {
2455                 info = &pcm->stream[stream];
2456                 if (info->substreams) {
2457                         err = set_pcm_default_values(codec, info);
2458                         if (err < 0)
2459                                 return err;
2460                 }
2461         }
2462         return bus->ops.attach_pcm(bus, codec, pcm);
2463 }
2464
2465 /**
2466  * snd_hda_build_pcms - build PCM information
2467  * @bus: the BUS
2468  *
2469  * Create PCM information for each codec included in the bus.
2470  *
2471  * The build_pcms codec patch is requested to set up codec->num_pcms and
2472  * codec->pcm_info properly.  The array is referred by the top-level driver
2473  * to create its PCM instances.
2474  * The allocated codec->pcm_info should be released in codec->patch_ops.free
2475  * callback.
2476  *
2477  * At least, substreams, channels_min and channels_max must be filled for
2478  * each stream.  substreams = 0 indicates that the stream doesn't exist.
2479  * When rates and/or formats are zero, the supported values are queried
2480  * from the given nid.  The nid is used also by the default ops.prepare
2481  * and ops.cleanup callbacks.
2482  *
2483  * The driver needs to call ops.open in its open callback.  Similarly,
2484  * ops.close is supposed to be called in the close callback.
2485  * ops.prepare should be called in the prepare or hw_params callback
2486  * with the proper parameters for set up.
2487  * ops.cleanup should be called in hw_free for clean up of streams.
2488  *
2489  * This function returns 0 if successfull, or a negative error code.
2490  */
2491 int snd_hda_build_pcms(struct hda_bus *bus)
2492 {
2493         static const char *dev_name[HDA_PCM_NTYPES] = {
2494                 "Audio", "SPDIF", "HDMI", "Modem"
2495         };
2496         /* starting device index for each PCM type */
2497         static int dev_idx[HDA_PCM_NTYPES] = {
2498                 [HDA_PCM_TYPE_AUDIO] = 0,
2499                 [HDA_PCM_TYPE_SPDIF] = 1,
2500                 [HDA_PCM_TYPE_HDMI] = 3,
2501                 [HDA_PCM_TYPE_MODEM] = 6
2502         };
2503         /* normal audio device indices; not linear to keep compatibility */
2504         static int audio_idx[4] = { 0, 2, 4, 5 };
2505         struct hda_codec *codec;
2506         int num_devs[HDA_PCM_NTYPES];
2507
2508         memset(num_devs, 0, sizeof(num_devs));
2509         list_for_each_entry(codec, &bus->codec_list, list) {
2510                 unsigned int pcm;
2511                 int err;
2512                 if (!codec->num_pcms) {
2513                         if (!codec->patch_ops.build_pcms)
2514                                 continue;
2515                         err = codec->patch_ops.build_pcms(codec);
2516                         if (err < 0)
2517                                 return err;
2518                 }
2519                 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
2520                         struct hda_pcm *cpcm = &codec->pcm_info[pcm];
2521                         int type = cpcm->pcm_type;
2522                         int dev;
2523
2524                         if (!cpcm->stream[0].substreams &&
2525                             !cpcm->stream[1].substreams)
2526                                 continue; /* no substreams assigned */
2527
2528                         switch (type) {
2529                         case HDA_PCM_TYPE_AUDIO:
2530                                 if (num_devs[type] >= ARRAY_SIZE(audio_idx)) {
2531                                         snd_printk(KERN_WARNING
2532                                                    "Too many audio devices\n");
2533                                         continue;
2534                                 }
2535                                 dev = audio_idx[num_devs[type]];
2536                                 break;
2537                         case HDA_PCM_TYPE_SPDIF:
2538                         case HDA_PCM_TYPE_HDMI:
2539                         case HDA_PCM_TYPE_MODEM:
2540                                 if (num_devs[type]) {
2541                                         snd_printk(KERN_WARNING
2542                                                    "%s already defined\n",
2543                                                    dev_name[type]);
2544                                         continue;
2545                                 }
2546                                 dev = dev_idx[type];
2547                                 break;
2548                         default:
2549                                 snd_printk(KERN_WARNING
2550                                            "Invalid PCM type %d\n", type);
2551                                 continue;
2552                         }
2553                         num_devs[type]++;
2554                         if (!cpcm->pcm) {
2555                                 cpcm->device = dev;
2556                                 err = snd_hda_attach_pcm(codec, cpcm);
2557                                 if (err < 0)
2558                                         return err;
2559                         }
2560                 }
2561         }
2562         return 0;
2563 }
2564
2565 /**
2566  * snd_hda_check_board_config - compare the current codec with the config table
2567  * @codec: the HDA codec
2568  * @num_configs: number of config enums
2569  * @models: array of model name strings
2570  * @tbl: configuration table, terminated by null entries
2571  *
2572  * Compares the modelname or PCI subsystem id of the current codec with the
2573  * given configuration table.  If a matching entry is found, returns its
2574  * config value (supposed to be 0 or positive).
2575  *
2576  * If no entries are matching, the function returns a negative value.
2577  */
2578 int snd_hda_check_board_config(struct hda_codec *codec,
2579                                int num_configs, const char **models,
2580                                const struct snd_pci_quirk *tbl)
2581 {
2582         if (codec->modelname && models) {
2583                 int i;
2584                 for (i = 0; i < num_configs; i++) {
2585                         if (models[i] &&
2586                             !strcmp(codec->modelname, models[i])) {
2587                                 snd_printd(KERN_INFO "hda_codec: model '%s' is "
2588                                            "selected\n", models[i]);
2589                                 return i;
2590                         }
2591                 }
2592         }
2593
2594         if (!codec->bus->pci || !tbl)
2595                 return -1;
2596
2597         tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl);
2598         if (!tbl)
2599                 return -1;
2600         if (tbl->value >= 0 && tbl->value < num_configs) {
2601 #ifdef CONFIG_SND_DEBUG_VERBOSE
2602                 char tmp[10];
2603                 const char *model = NULL;
2604                 if (models)
2605                         model = models[tbl->value];
2606                 if (!model) {
2607                         sprintf(tmp, "#%d", tbl->value);
2608                         model = tmp;
2609                 }
2610                 snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
2611                             "for config %x:%x (%s)\n",
2612                             model, tbl->subvendor, tbl->subdevice,
2613                             (tbl->name ? tbl->name : "Unknown device"));
2614 #endif
2615                 return tbl->value;
2616         }
2617         return -1;
2618 }
2619
2620 /**
2621  * snd_hda_add_new_ctls - create controls from the array
2622  * @codec: the HDA codec
2623  * @knew: the array of struct snd_kcontrol_new
2624  *
2625  * This helper function creates and add new controls in the given array.
2626  * The array must be terminated with an empty entry as terminator.
2627  *
2628  * Returns 0 if successful, or a negative error code.
2629  */
2630 int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
2631 {
2632         int err;
2633
2634         for (; knew->name; knew++) {
2635                 struct snd_kcontrol *kctl;
2636                 kctl = snd_ctl_new1(knew, codec);
2637                 if (!kctl)
2638                         return -ENOMEM;
2639                 err = snd_hda_ctl_add(codec, kctl);
2640                 if (err < 0) {
2641                         if (!codec->addr)
2642                                 return err;
2643                         kctl = snd_ctl_new1(knew, codec);
2644                         if (!kctl)
2645                                 return -ENOMEM;
2646                         kctl->id.device = codec->addr;
2647                         err = snd_hda_ctl_add(codec, kctl);
2648                         if (err < 0)
2649                                 return err;
2650                 }
2651         }
2652         return 0;
2653 }
2654
2655 #ifdef CONFIG_SND_HDA_POWER_SAVE
2656 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2657                                 unsigned int power_state);
2658
2659 static void hda_power_work(struct work_struct *work)
2660 {
2661         struct hda_codec *codec =
2662                 container_of(work, struct hda_codec, power_work.work);
2663         struct hda_bus *bus = codec->bus;
2664
2665         if (!codec->power_on || codec->power_count) {
2666                 codec->power_transition = 0;
2667                 return;
2668         }
2669
2670         hda_call_codec_suspend(codec);
2671         if (bus->ops.pm_notify)
2672                 bus->ops.pm_notify(bus);
2673 }
2674
2675 static void hda_keep_power_on(struct hda_codec *codec)
2676 {
2677         codec->power_count++;
2678         codec->power_on = 1;
2679 }
2680
2681 void snd_hda_power_up(struct hda_codec *codec)
2682 {
2683         struct hda_bus *bus = codec->bus;
2684
2685         codec->power_count++;
2686         if (codec->power_on || codec->power_transition)
2687                 return;
2688
2689         codec->power_on = 1;
2690         if (bus->ops.pm_notify)
2691                 bus->ops.pm_notify(bus);
2692         hda_call_codec_resume(codec);
2693         cancel_delayed_work(&codec->power_work);
2694         codec->power_transition = 0;
2695 }
2696
2697 void snd_hda_power_down(struct hda_codec *codec)
2698 {
2699         --codec->power_count;
2700         if (!codec->power_on || codec->power_count || codec->power_transition)
2701                 return;
2702         if (power_save) {
2703                 codec->power_transition = 1; /* avoid reentrance */
2704                 schedule_delayed_work(&codec->power_work,
2705                                       msecs_to_jiffies(power_save * 1000));
2706         }
2707 }
2708
2709 int snd_hda_check_amp_list_power(struct hda_codec *codec,
2710                                  struct hda_loopback_check *check,
2711                                  hda_nid_t nid)
2712 {
2713         struct hda_amp_list *p;
2714         int ch, v;
2715
2716         if (!check->amplist)
2717                 return 0;
2718         for (p = check->amplist; p->nid; p++) {
2719                 if (p->nid == nid)
2720                         break;
2721         }
2722         if (!p->nid)
2723                 return 0; /* nothing changed */
2724
2725         for (p = check->amplist; p->nid; p++) {
2726                 for (ch = 0; ch < 2; ch++) {
2727                         v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
2728                                                    p->idx);
2729                         if (!(v & HDA_AMP_MUTE) && v > 0) {
2730                                 if (!check->power_on) {
2731                                         check->power_on = 1;
2732                                         snd_hda_power_up(codec);
2733                                 }
2734                                 return 1;
2735                         }
2736                 }
2737         }
2738         if (check->power_on) {
2739                 check->power_on = 0;
2740                 snd_hda_power_down(codec);
2741         }
2742         return 0;
2743 }
2744 #endif
2745
2746 /*
2747  * Channel mode helper
2748  */
2749 int snd_hda_ch_mode_info(struct hda_codec *codec,
2750                          struct snd_ctl_elem_info *uinfo,
2751                          const struct hda_channel_mode *chmode,
2752                          int num_chmodes)
2753 {
2754         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2755         uinfo->count = 1;
2756         uinfo->value.enumerated.items = num_chmodes;
2757         if (uinfo->value.enumerated.item >= num_chmodes)
2758                 uinfo->value.enumerated.item = num_chmodes - 1;
2759         sprintf(uinfo->value.enumerated.name, "%dch",
2760                 chmode[uinfo->value.enumerated.item].channels);
2761         return 0;
2762 }
2763
2764 int snd_hda_ch_mode_get(struct hda_codec *codec,
2765                         struct snd_ctl_elem_value *ucontrol,
2766                         const struct hda_channel_mode *chmode,
2767                         int num_chmodes,
2768                         int max_channels)
2769 {
2770         int i;
2771
2772         for (i = 0; i < num_chmodes; i++) {
2773                 if (max_channels == chmode[i].channels) {
2774                         ucontrol->value.enumerated.item[0] = i;
2775                         break;
2776                 }
2777         }
2778         return 0;
2779 }
2780
2781 int snd_hda_ch_mode_put(struct hda_codec *codec,
2782                         struct snd_ctl_elem_value *ucontrol,
2783                         const struct hda_channel_mode *chmode,
2784                         int num_chmodes,
2785                         int *max_channelsp)
2786 {
2787         unsigned int mode;
2788
2789         mode = ucontrol->value.enumerated.item[0];
2790         if (mode >= num_chmodes)
2791                 return -EINVAL;
2792         if (*max_channelsp == chmode[mode].channels)
2793                 return 0;
2794         /* change the current channel setting */
2795         *max_channelsp = chmode[mode].channels;
2796         if (chmode[mode].sequence)
2797                 snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
2798         return 1;
2799 }
2800
2801 /*
2802  * input MUX helper
2803  */
2804 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
2805                            struct snd_ctl_elem_info *uinfo)
2806 {
2807         unsigned int index;
2808
2809         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2810         uinfo->count = 1;
2811         uinfo->value.enumerated.items = imux->num_items;
2812         if (!imux->num_items)
2813                 return 0;
2814         index = uinfo->value.enumerated.item;
2815         if (index >= imux->num_items)
2816                 index = imux->num_items - 1;
2817         strcpy(uinfo->value.enumerated.name, imux->items[index].label);
2818         return 0;
2819 }
2820
2821 int snd_hda_input_mux_put(struct hda_codec *codec,
2822                           const struct hda_input_mux *imux,
2823                           struct snd_ctl_elem_value *ucontrol,
2824                           hda_nid_t nid,
2825                           unsigned int *cur_val)
2826 {
2827         unsigned int idx;
2828
2829         if (!imux->num_items)
2830                 return 0;
2831         idx = ucontrol->value.enumerated.item[0];
2832         if (idx >= imux->num_items)
2833                 idx = imux->num_items - 1;
2834         if (*cur_val == idx)
2835                 return 0;
2836         snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
2837                                   imux->items[idx].index);
2838         *cur_val = idx;
2839         return 1;
2840 }
2841
2842
2843 /*
2844  * Multi-channel / digital-out PCM helper functions
2845  */
2846
2847 /* setup SPDIF output stream */
2848 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
2849                                  unsigned int stream_tag, unsigned int format)
2850 {
2851         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2852         if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
2853                 set_dig_out_convert(codec, nid,
2854                                     codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff,
2855                                     -1);
2856         snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
2857         if (codec->slave_dig_outs) {
2858                 hda_nid_t *d;
2859                 for (d = codec->slave_dig_outs; *d; d++)
2860                         snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
2861                                                    format);
2862         }
2863         /* turn on again (if needed) */
2864         if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
2865                 set_dig_out_convert(codec, nid,
2866                                     codec->spdif_ctls & 0xff, -1);
2867 }
2868
2869 static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
2870 {
2871         snd_hda_codec_cleanup_stream(codec, nid);
2872         if (codec->slave_dig_outs) {
2873                 hda_nid_t *d;
2874                 for (d = codec->slave_dig_outs; *d; d++)
2875                         snd_hda_codec_cleanup_stream(codec, *d);
2876         }
2877 }
2878
2879 /*
2880  * open the digital out in the exclusive mode
2881  */
2882 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
2883                                struct hda_multi_out *mout)
2884 {
2885         mutex_lock(&codec->spdif_mutex);
2886         if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
2887                 /* already opened as analog dup; reset it once */
2888                 cleanup_dig_out_stream(codec, mout->dig_out_nid);
2889         mout->dig_out_used = HDA_DIG_EXCLUSIVE;
2890         mutex_unlock(&codec->spdif_mutex);
2891         return 0;
2892 }
2893
2894 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
2895                                   struct hda_multi_out *mout,
2896                                   unsigned int stream_tag,
2897                                   unsigned int format,
2898                                   struct snd_pcm_substream *substream)
2899 {
2900         mutex_lock(&codec->spdif_mutex);
2901         setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
2902         mutex_unlock(&codec->spdif_mutex);
2903         return 0;
2904 }
2905
2906 /*
2907  * release the digital out
2908  */
2909 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
2910                                 struct hda_multi_out *mout)
2911 {
2912         mutex_lock(&codec->spdif_mutex);
2913         mout->dig_out_used = 0;
2914         mutex_unlock(&codec->spdif_mutex);
2915         return 0;
2916 }
2917
2918 /*
2919  * set up more restrictions for analog out
2920  */
2921 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
2922                                   struct hda_multi_out *mout,
2923                                   struct snd_pcm_substream *substream,
2924                                   struct hda_pcm_stream *hinfo)
2925 {
2926         struct snd_pcm_runtime *runtime = substream->runtime;
2927         runtime->hw.channels_max = mout->max_channels;
2928         if (mout->dig_out_nid) {
2929                 if (!mout->analog_rates) {
2930                         mout->analog_rates = hinfo->rates;
2931                         mout->analog_formats = hinfo->formats;
2932                         mout->analog_maxbps = hinfo->maxbps;
2933                 } else {
2934                         runtime->hw.rates = mout->analog_rates;
2935                         runtime->hw.formats = mout->analog_formats;
2936                         hinfo->maxbps = mout->analog_maxbps;
2937                 }
2938                 if (!mout->spdif_rates) {
2939                         snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
2940                                                     &mout->spdif_rates,
2941                                                     &mout->spdif_formats,
2942                                                     &mout->spdif_maxbps);
2943                 }
2944                 mutex_lock(&codec->spdif_mutex);
2945                 if (mout->share_spdif) {
2946                         runtime->hw.rates &= mout->spdif_rates;
2947                         runtime->hw.formats &= mout->spdif_formats;
2948                         if (mout->spdif_maxbps < hinfo->maxbps)
2949                                 hinfo->maxbps = mout->spdif_maxbps;
2950                 }
2951                 mutex_unlock(&codec->spdif_mutex);
2952         }
2953         return snd_pcm_hw_constraint_step(substream->runtime, 0,
2954                                           SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2955 }
2956
2957 /*
2958  * set up the i/o for analog out
2959  * when the digital out is available, copy the front out to digital out, too.
2960  */
2961 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
2962                                      struct hda_multi_out *mout,
2963                                      unsigned int stream_tag,
2964                                      unsigned int format,
2965                                      struct snd_pcm_substream *substream)
2966 {
2967         hda_nid_t *nids = mout->dac_nids;
2968         int chs = substream->runtime->channels;
2969         int i;
2970
2971         mutex_lock(&codec->spdif_mutex);
2972         if (mout->dig_out_nid && mout->share_spdif &&
2973             mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
2974                 if (chs == 2 &&
2975                     snd_hda_is_supported_format(codec, mout->dig_out_nid,
2976                                                 format) &&
2977                     !(codec->spdif_status & IEC958_AES0_NONAUDIO)) {
2978                         mout->dig_out_used = HDA_DIG_ANALOG_DUP;
2979                         setup_dig_out_stream(codec, mout->dig_out_nid,
2980                                              stream_tag, format);
2981                 } else {
2982                         mout->dig_out_used = 0;
2983                         cleanup_dig_out_stream(codec, mout->dig_out_nid);
2984                 }
2985         }
2986         mutex_unlock(&codec->spdif_mutex);
2987
2988         /* front */
2989         snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
2990                                    0, format);
2991         if (!mout->no_share_stream &&
2992             mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
2993                 /* headphone out will just decode front left/right (stereo) */
2994                 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
2995                                            0, format);
2996         /* extra outputs copied from front */
2997         for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2998                 if (!mout->no_share_stream && mout->extra_out_nid[i])
2999                         snd_hda_codec_setup_stream(codec,
3000                                                    mout->extra_out_nid[i],
3001                                                    stream_tag, 0, format);
3002
3003         /* surrounds */
3004         for (i = 1; i < mout->num_dacs; i++) {
3005                 if (chs >= (i + 1) * 2) /* independent out */
3006                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3007                                                    i * 2, format);
3008                 else if (!mout->no_share_stream) /* copy front */
3009                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3010                                                    0, format);
3011         }
3012         return 0;
3013 }
3014
3015 /*
3016  * clean up the setting for analog out
3017  */
3018 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
3019                                      struct hda_multi_out *mout)
3020 {
3021         hda_nid_t *nids = mout->dac_nids;
3022         int i;
3023
3024         for (i = 0; i < mout->num_dacs; i++)
3025                 snd_hda_codec_cleanup_stream(codec, nids[i]);
3026         if (mout->hp_nid)
3027                 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
3028         for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
3029                 if (mout->extra_out_nid[i])
3030                         snd_hda_codec_cleanup_stream(codec,
3031                                                      mout->extra_out_nid[i]);
3032         mutex_lock(&codec->spdif_mutex);
3033         if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
3034                 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3035                 mout->dig_out_used = 0;
3036         }
3037         mutex_unlock(&codec->spdif_mutex);
3038         return 0;
3039 }
3040
3041 /*
3042  * Helper for automatic pin configuration
3043  */
3044
3045 static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list)
3046 {
3047         for (; *list; list++)
3048                 if (*list == nid)
3049                         return 1;
3050         return 0;
3051 }
3052
3053
3054 /*
3055  * Sort an associated group of pins according to their sequence numbers.
3056  */
3057 static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences,
3058                                   int num_pins)
3059 {
3060         int i, j;
3061         short seq;
3062         hda_nid_t nid;
3063
3064         for (i = 0; i < num_pins; i++) {
3065                 for (j = i + 1; j < num_pins; j++) {
3066                         if (sequences[i] > sequences[j]) {
3067                                 seq = sequences[i];
3068                                 sequences[i] = sequences[j];
3069                                 sequences[j] = seq;
3070                                 nid = pins[i];
3071                                 pins[i] = pins[j];
3072                                 pins[j] = nid;
3073                         }
3074                 }
3075         }
3076 }
3077
3078
3079 /*
3080  * Parse all pin widgets and store the useful pin nids to cfg
3081  *
3082  * The number of line-outs or any primary output is stored in line_outs,
3083  * and the corresponding output pins are assigned to line_out_pins[],
3084  * in the order of front, rear, CLFE, side, ...
3085  *
3086  * If more extra outputs (speaker and headphone) are found, the pins are
3087  * assisnged to hp_pins[] and speaker_pins[], respectively.  If no line-out jack
3088  * is detected, one of speaker of HP pins is assigned as the primary
3089  * output, i.e. to line_out_pins[0].  So, line_outs is always positive
3090  * if any analog output exists.
3091  *
3092  * The analog input pins are assigned to input_pins array.
3093  * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
3094  * respectively.
3095  */
3096 int snd_hda_parse_pin_def_config(struct hda_codec *codec,
3097                                  struct auto_pin_cfg *cfg,
3098                                  hda_nid_t *ignore_nids)
3099 {
3100         hda_nid_t nid, end_nid;
3101         short seq, assoc_line_out, assoc_speaker;
3102         short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)];
3103         short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)];
3104         short sequences_hp[ARRAY_SIZE(cfg->hp_pins)];
3105
3106         memset(cfg, 0, sizeof(*cfg));
3107
3108         memset(sequences_line_out, 0, sizeof(sequences_line_out));
3109         memset(sequences_speaker, 0, sizeof(sequences_speaker));
3110         memset(sequences_hp, 0, sizeof(sequences_hp));
3111         assoc_line_out = assoc_speaker = 0;
3112
3113         end_nid = codec->start_nid + codec->num_nodes;
3114         for (nid = codec->start_nid; nid < end_nid; nid++) {
3115                 unsigned int wid_caps = get_wcaps(codec, nid);
3116                 unsigned int wid_type =
3117                         (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
3118                 unsigned int def_conf;
3119                 short assoc, loc;
3120
3121                 /* read all default configuration for pin complex */
3122                 if (wid_type != AC_WID_PIN)
3123                         continue;
3124                 /* ignore the given nids (e.g. pc-beep returns error) */
3125                 if (ignore_nids && is_in_nid_list(nid, ignore_nids))
3126                         continue;
3127
3128                 def_conf = snd_hda_codec_read(codec, nid, 0,
3129                                               AC_VERB_GET_CONFIG_DEFAULT, 0);
3130                 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
3131                         continue;
3132                 loc = get_defcfg_location(def_conf);
3133                 switch (get_defcfg_device(def_conf)) {
3134                 case AC_JACK_LINE_OUT:
3135                         seq = get_defcfg_sequence(def_conf);
3136                         assoc = get_defcfg_association(def_conf);
3137
3138                         if (!(wid_caps & AC_WCAP_STEREO))
3139                                 if (!cfg->mono_out_pin)
3140                                         cfg->mono_out_pin = nid;
3141                         if (!assoc)
3142                                 continue;
3143                         if (!assoc_line_out)
3144                                 assoc_line_out = assoc;
3145                         else if (assoc_line_out != assoc)
3146                                 continue;
3147                         if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
3148                                 continue;
3149                         cfg->line_out_pins[cfg->line_outs] = nid;
3150                         sequences_line_out[cfg->line_outs] = seq;
3151                         cfg->line_outs++;
3152                         break;
3153                 case AC_JACK_SPEAKER:
3154                         seq = get_defcfg_sequence(def_conf);
3155                         assoc = get_defcfg_association(def_conf);
3156                         if (! assoc)
3157                                 continue;
3158                         if (! assoc_speaker)
3159                                 assoc_speaker = assoc;
3160                         else if (assoc_speaker != assoc)
3161                                 continue;
3162                         if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
3163                                 continue;
3164                         cfg->speaker_pins[cfg->speaker_outs] = nid;
3165                         sequences_speaker[cfg->speaker_outs] = seq;
3166                         cfg->speaker_outs++;
3167                         break;
3168                 case AC_JACK_HP_OUT:
3169                         seq = get_defcfg_sequence(def_conf);
3170                         assoc = get_defcfg_association(def_conf);
3171                         if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
3172                                 continue;
3173                         cfg->hp_pins[cfg->hp_outs] = nid;
3174                         sequences_hp[cfg->hp_outs] = (assoc << 4) | seq;
3175                         cfg->hp_outs++;
3176                         break;
3177                 case AC_JACK_MIC_IN: {
3178                         int preferred, alt;
3179                         if (loc == AC_JACK_LOC_FRONT) {
3180                                 preferred = AUTO_PIN_FRONT_MIC;
3181                                 alt = AUTO_PIN_MIC;
3182                         } else {
3183                                 preferred = AUTO_PIN_MIC;
3184                                 alt = AUTO_PIN_FRONT_MIC;
3185                         }
3186                         if (!cfg->input_pins[preferred])
3187                                 cfg->input_pins[preferred] = nid;
3188                         else if (!cfg->input_pins[alt])
3189                                 cfg->input_pins[alt] = nid;
3190                         break;
3191                 }
3192                 case AC_JACK_LINE_IN:
3193                         if (loc == AC_JACK_LOC_FRONT)
3194                                 cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
3195                         else
3196                                 cfg->input_pins[AUTO_PIN_LINE] = nid;
3197                         break;
3198                 case AC_JACK_CD:
3199                         cfg->input_pins[AUTO_PIN_CD] = nid;
3200                         break;
3201                 case AC_JACK_AUX:
3202                         cfg->input_pins[AUTO_PIN_AUX] = nid;
3203                         break;
3204                 case AC_JACK_SPDIF_OUT:
3205                         cfg->dig_out_pin = nid;
3206                         break;
3207                 case AC_JACK_SPDIF_IN:
3208                         cfg->dig_in_pin = nid;
3209                         break;
3210                 }
3211         }
3212
3213         /* FIX-UP:
3214          * If no line-out is defined but multiple HPs are found,
3215          * some of them might be the real line-outs.
3216          */
3217         if (!cfg->line_outs && cfg->hp_outs > 1) {
3218                 int i = 0;
3219                 while (i < cfg->hp_outs) {
3220                         /* The real HPs should have the sequence 0x0f */
3221                         if ((sequences_hp[i] & 0x0f) == 0x0f) {
3222                                 i++;
3223                                 continue;
3224                         }
3225                         /* Move it to the line-out table */
3226                         cfg->line_out_pins[cfg->line_outs] = cfg->hp_pins[i];
3227                         sequences_line_out[cfg->line_outs] = sequences_hp[i];
3228                         cfg->line_outs++;
3229                         cfg->hp_outs--;
3230                         memmove(cfg->hp_pins + i, cfg->hp_pins + i + 1,
3231                                 sizeof(cfg->hp_pins[0]) * (cfg->hp_outs - i));
3232                         memmove(sequences_hp + i - 1, sequences_hp + i,
3233                                 sizeof(sequences_hp[0]) * (cfg->hp_outs - i));
3234                 }
3235         }
3236
3237         /* sort by sequence */
3238         sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out,
3239                               cfg->line_outs);
3240         sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker,
3241                               cfg->speaker_outs);
3242         sort_pins_by_sequence(cfg->hp_pins, sequences_hp,
3243                               cfg->hp_outs);
3244
3245         /* if we have only one mic, make it AUTO_PIN_MIC */
3246         if (!cfg->input_pins[AUTO_PIN_MIC] &&
3247             cfg->input_pins[AUTO_PIN_FRONT_MIC]) {
3248                 cfg->input_pins[AUTO_PIN_MIC] =
3249                         cfg->input_pins[AUTO_PIN_FRONT_MIC];
3250                 cfg->input_pins[AUTO_PIN_FRONT_MIC] = 0;
3251         }
3252         /* ditto for line-in */
3253         if (!cfg->input_pins[AUTO_PIN_LINE] &&
3254             cfg->input_pins[AUTO_PIN_FRONT_LINE]) {
3255                 cfg->input_pins[AUTO_PIN_LINE] =
3256                         cfg->input_pins[AUTO_PIN_FRONT_LINE];
3257                 cfg->input_pins[AUTO_PIN_FRONT_LINE] = 0;
3258         }
3259
3260         /*
3261          * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
3262          * as a primary output
3263          */
3264         if (!cfg->line_outs) {
3265                 if (cfg->speaker_outs) {
3266                         cfg->line_outs = cfg->speaker_outs;
3267                         memcpy(cfg->line_out_pins, cfg->speaker_pins,
3268                                sizeof(cfg->speaker_pins));
3269                         cfg->speaker_outs = 0;
3270                         memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
3271                         cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
3272                 } else if (cfg->hp_outs) {
3273                         cfg->line_outs = cfg->hp_outs;
3274                         memcpy(cfg->line_out_pins, cfg->hp_pins,
3275                                sizeof(cfg->hp_pins));
3276                         cfg->hp_outs = 0;
3277                         memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
3278                         cfg->line_out_type = AUTO_PIN_HP_OUT;
3279                 }
3280         }
3281
3282         /* Reorder the surround channels
3283          * ALSA sequence is front/surr/clfe/side
3284          * HDA sequence is:
3285          *    4-ch: front/surr  =>  OK as it is
3286          *    6-ch: front/clfe/surr
3287          *    8-ch: front/clfe/rear/side|fc
3288          */
3289         switch (cfg->line_outs) {
3290         case 3:
3291         case 4:
3292                 nid = cfg->line_out_pins[1];
3293                 cfg->line_out_pins[1] = cfg->line_out_pins[2];
3294                 cfg->line_out_pins[2] = nid;
3295                 break;
3296         }
3297
3298         /*
3299          * debug prints of the parsed results
3300          */
3301         snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3302                    cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
3303                    cfg->line_out_pins[2], cfg->line_out_pins[3],
3304                    cfg->line_out_pins[4]);
3305         snd_printd("   speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3306                    cfg->speaker_outs, cfg->speaker_pins[0],
3307                    cfg->speaker_pins[1], cfg->speaker_pins[2],
3308                    cfg->speaker_pins[3], cfg->speaker_pins[4]);
3309         snd_printd("   hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3310                    cfg->hp_outs, cfg->hp_pins[0],
3311                    cfg->hp_pins[1], cfg->hp_pins[2],
3312                    cfg->hp_pins[3], cfg->hp_pins[4]);
3313         snd_printd("   mono: mono_out=0x%x\n", cfg->mono_out_pin);
3314         snd_printd("   inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
3315                    " cd=0x%x, aux=0x%x\n",
3316                    cfg->input_pins[AUTO_PIN_MIC],
3317                    cfg->input_pins[AUTO_PIN_FRONT_MIC],
3318                    cfg->input_pins[AUTO_PIN_LINE],
3319                    cfg->input_pins[AUTO_PIN_FRONT_LINE],
3320                    cfg->input_pins[AUTO_PIN_CD],
3321                    cfg->input_pins[AUTO_PIN_AUX]);
3322
3323         return 0;
3324 }
3325
3326 /* labels for input pins */
3327 const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
3328         "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
3329 };
3330
3331
3332 #ifdef CONFIG_PM
3333 /*
3334  * power management
3335  */
3336
3337 /**
3338  * snd_hda_suspend - suspend the codecs
3339  * @bus: the HDA bus
3340  * @state: suspsend state
3341  *
3342  * Returns 0 if successful.
3343  */
3344 int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
3345 {
3346         struct hda_codec *codec;
3347
3348         list_for_each_entry(codec, &bus->codec_list, list) {
3349 #ifdef CONFIG_SND_HDA_POWER_SAVE
3350                 if (!codec->power_on)
3351                         continue;
3352 #endif
3353                 hda_call_codec_suspend(codec);
3354         }
3355         return 0;
3356 }
3357
3358 /**
3359  * snd_hda_resume - resume the codecs
3360  * @bus: the HDA bus
3361  * @state: resume state
3362  *
3363  * Returns 0 if successful.
3364  *
3365  * This fucntion is defined only when POWER_SAVE isn't set.
3366  * In the power-save mode, the codec is resumed dynamically.
3367  */
3368 int snd_hda_resume(struct hda_bus *bus)
3369 {
3370         struct hda_codec *codec;
3371
3372         list_for_each_entry(codec, &bus->codec_list, list) {
3373                 if (snd_hda_codec_needs_resume(codec))
3374                         hda_call_codec_resume(codec);
3375         }
3376         return 0;
3377 }
3378 #ifdef CONFIG_SND_HDA_POWER_SAVE
3379 int snd_hda_codecs_inuse(struct hda_bus *bus)
3380 {
3381         struct hda_codec *codec;
3382
3383         list_for_each_entry(codec, &bus->codec_list, list) {
3384                 if (snd_hda_codec_needs_resume(codec))
3385                         return 1;
3386         }
3387         return 0;
3388 }
3389 #endif
3390 #endif
3391
3392 /*
3393  * generic arrays
3394  */
3395
3396 /* get a new element from the given array
3397  * if it exceeds the pre-allocated array size, re-allocate the array
3398  */
3399 void *snd_array_new(struct snd_array *array)
3400 {
3401         if (array->used >= array->alloced) {
3402                 int num = array->alloced + array->alloc_align;
3403                 void *nlist;
3404                 if (snd_BUG_ON(num >= 4096))
3405                         return NULL;
3406                 nlist = kcalloc(num + 1, array->elem_size, GFP_KERNEL);
3407                 if (!nlist)
3408                         return NULL;
3409                 if (array->list) {
3410                         memcpy(nlist, array->list,
3411                                array->elem_size * array->alloced);
3412                         kfree(array->list);
3413                 }
3414                 array->list = nlist;
3415                 array->alloced = num;
3416         }
3417         return snd_array_elem(array, array->used++);
3418 }
3419
3420 /* free the given array elements */
3421 void snd_array_free(struct snd_array *array)
3422 {
3423         kfree(array->list);
3424         array->used = 0;
3425         array->alloced = 0;
3426         array->list = NULL;
3427 }