sound/pci/hda/hda_codec.c

   1 /*
   2  * Universal Interface for Intel High Definition Audio Codec
   3  *
   4  * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
   5  *
   6  *
   7  *  This driver is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This driver is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  20  */
  21
  22 #include <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         NULL
 102 };
 103
 104 #ifdef CONFIG_SND_HDA_POWER_SAVE
 105 static void hda_power_work(struct work_struct *work);
 106 static void hda_keep_power_on(struct hda_codec *codec);
 107 #else
 108 static inline void hda_keep_power_on(struct hda_codec *codec) {}
 109 #endif
 110
 111 const char *snd_hda_get_jack_location(u32 cfg)
 112 {
 113         static char *bases[7] = {
 114                 "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
 115         };
 116         static unsigned char specials_idx[] = {
 117                 0x07, 0x08,
 118                 0x17, 0x18, 0x19,
 119                 0x37, 0x38
 120         };
 121         static char *specials[] = {
 122                 "Rear Panel", "Drive Bar",
 123                 "Riser", "HDMI", "ATAPI",
 124                 "Mobile-In", "Mobile-Out"
 125         };
 126         int i;
 127         cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT;
 128         if ((cfg & 0x0f) < 7)
 129                 return bases[cfg & 0x0f];
 130         for (i = 0; i < ARRAY_SIZE(specials_idx); i++) {
 131                 if (cfg == specials_idx[i])
 132                         return specials[i];
 133         }
 134         return "UNKNOWN";
 135 }
 136
 137 const char *snd_hda_get_jack_connectivity(u32 cfg)
 138 {
 139         static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" };
 140
 141         return jack_locations[(cfg >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3];
 142 }
 143
 144 const char *snd_hda_get_jack_type(u32 cfg)
 145 {
 146         static char *jack_types[16] = {
 147                 "Line Out", "Speaker", "HP Out", "CD",
 148                 "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
 149                 "Line In", "Aux", "Mic", "Telephony",
 150                 "SPDIF In", "Digitial In", "Reserved", "Other"
 151         };
 152
 153         return jack_types[(cfg & AC_DEFCFG_DEVICE)
 154                                 >> AC_DEFCFG_DEVICE_SHIFT];
 155 }
 156
 157 /**
 158  * snd_hda_codec_read - send a command and get the response
 159  * @codec: the HDA codec
 160  * @nid: NID to send the command
 161  * @direct: direct flag
 162  * @verb: the verb to send
 163  * @parm: the parameter for the verb
 164  *
 165  * Send a single command and read the corresponding response.
 166  *
 167  * Returns the obtained response value, or -1 for an error.
 168  */
 169 unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
 170                                 int direct,
 171                                 unsigned int verb, unsigned int parm)
 172 {
 173         unsigned int res;
 174         snd_hda_power_up(codec);
 175         mutex_lock(&codec->bus->cmd_mutex);
 176         if (!codec->bus->ops.command(codec, nid, direct, verb, parm))
 177                 res = codec->bus->ops.get_response(codec);
 178         else
 179                 res = (unsigned int)-1;
 180         mutex_unlock(&codec->bus->cmd_mutex);
 181         snd_hda_power_down(codec);
 182         return res;
 183 }
 184
 185 /**
 186  * snd_hda_codec_write - send a single command without waiting for response
 187  * @codec: the HDA codec
 188  * @nid: NID to send the command
 189  * @direct: direct flag
 190  * @verb: the verb to send
 191  * @parm: the parameter for the verb
 192  *
 193  * Send a single command without waiting for response.
 194  *
 195  * Returns 0 if successful, or a negative error code.
 196  */
 197 int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
 198                          unsigned int verb, unsigned int parm)
 199 {
 200         int err;
 201         snd_hda_power_up(codec);
 202         mutex_lock(&codec->bus->cmd_mutex);
 203         err = codec->bus->ops.command(codec, nid, direct, verb, parm);
 204         mutex_unlock(&codec->bus->cmd_mutex);
 205         snd_hda_power_down(codec);
 206         return err;
 207 }
 208
 209 /**
 210  * snd_hda_sequence_write - sequence writes
 211  * @codec: the HDA codec
 212  * @seq: VERB array to send
 213  *
 214  * Send the commands sequentially from the given array.
 215  * The array must be terminated with NID=0.
 216  */
 217 void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
 218 {
 219         for (; seq->nid; seq++)
 220                 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
 221 }
 222
 223 /**
 224  * snd_hda_get_sub_nodes - get the range of sub nodes
 225  * @codec: the HDA codec
 226  * @nid: NID to parse
 227  * @start_id: the pointer to store the start NID
 228  *
 229  * Parse the NID and store the start NID of its sub-nodes.
 230  * Returns the number of sub-nodes.
 231  */
 232 int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
 233                           hda_nid_t *start_id)
 234 {
 235         unsigned int parm;
 236
 237         parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
 238         if (parm == -1)
 239                 return 0;
 240         *start_id = (parm >> 16) & 0x7fff;
 241         return (int)(parm & 0x7fff);
 242 }
 243
 244 /**
 245  * snd_hda_get_connections - get connection list
 246  * @codec: the HDA codec
 247  * @nid: NID to parse
 248  * @conn_list: connection list array
 249  * @max_conns: max. number of connections to store
 250  *
 251  * Parses the connection list of the given widget and stores the list
 252  * of NIDs.
 253  *
 254  * Returns the number of connections, or a negative error code.
 255  */
 256 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
 257                             hda_nid_t *conn_list, int max_conns)
 258 {
 259         unsigned int parm;
 260         int i, conn_len, conns;
 261         unsigned int shift, num_elems, mask;
 262         hda_nid_t prev_nid;
 263
 264         if (snd_BUG_ON(!conn_list || max_conns <= 0))
 265                 return -EINVAL;
 266
 267         parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN);
 268         if (parm & AC_CLIST_LONG) {
 269                 /* long form */
 270                 shift = 16;
 271                 num_elems = 2;
 272         } else {
 273                 /* short form */
 274                 shift = 8;
 275                 num_elems = 4;
 276         }
 277         conn_len = parm & AC_CLIST_LENGTH;
 278         mask = (1 << (shift-1)) - 1;
 279
 280         if (!conn_len)
 281                 return 0; /* no connection */
 282
 283         if (conn_len == 1) {
 284                 /* single connection */
 285                 parm = snd_hda_codec_read(codec, nid, 0,
 286                                           AC_VERB_GET_CONNECT_LIST, 0);
 287                 conn_list[0] = parm & mask;
 288                 return 1;
 289         }
 290
 291         /* multi connection */
 292         conns = 0;
 293         prev_nid = 0;
 294         for (i = 0; i < conn_len; i++) {
 295                 int range_val;
 296                 hda_nid_t val, n;
 297
 298                 if (i % num_elems == 0)
 299                         parm = snd_hda_codec_read(codec, nid, 0,
 300                                                   AC_VERB_GET_CONNECT_LIST, i);
 301                 range_val = !!(parm & (1 << (shift-1))); /* ranges */
 302                 val = parm & mask;
 303                 parm >>= shift;
 304                 if (range_val) {
 305                         /* ranges between the previous and this one */
 306                         if (!prev_nid || prev_nid >= val) {
 307                                 snd_printk(KERN_WARNING "hda_codec: "
 308                                            "invalid dep_range_val %x:%x\n",
 309                                            prev_nid, val);
 310                                 continue;
 311                         }
 312                         for (n = prev_nid + 1; n <= val; n++) {
 313                                 if (conns >= max_conns) {
 314                                         snd_printk(KERN_ERR
 315                                                    "Too many connections\n");
 316                                         return -EINVAL;
 317                                 }
 318                                 conn_list[conns++] = n;
 319                         }
 320                 } else {
 321                         if (conns >= max_conns) {
 322                                 snd_printk(KERN_ERR "Too many connections\n");
 323                                 return -EINVAL;
 324                         }
 325                         conn_list[conns++] = val;
 326                 }
 327                 prev_nid = val;
 328         }
 329         return conns;
 330 }
 331
 332
 333 /**
 334  * snd_hda_queue_unsol_event - add an unsolicited event to queue
 335  * @bus: the BUS
 336  * @res: unsolicited event (lower 32bit of RIRB entry)
 337  * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
 338  *
 339  * Adds the given event to the queue.  The events are processed in
 340  * the workqueue asynchronously.  Call this function in the interrupt
 341  * hanlder when RIRB receives an unsolicited event.
 342  *
 343  * Returns 0 if successful, or a negative error code.
 344  */
 345 int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
 346 {
 347         struct hda_bus_unsolicited *unsol;
 348         unsigned int wp;
 349
 350         unsol = bus->unsol;
 351         if (!unsol)
 352                 return 0;
 353
 354         wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
 355         unsol->wp = wp;
 356
 357         wp <<= 1;
 358         unsol->queue[wp] = res;
 359         unsol->queue[wp + 1] = res_ex;
 360
 361         schedule_work(&unsol->work);
 362
 363         return 0;
 364 }
 365
 366 /*
 367  * process queued unsolicited events
 368  */
 369 static void process_unsol_events(struct work_struct *work)
 370 {
 371         struct hda_bus_unsolicited *unsol =
 372                 container_of(work, struct hda_bus_unsolicited, work);
 373         struct hda_bus *bus = unsol->bus;
 374         struct hda_codec *codec;
 375         unsigned int rp, caddr, res;
 376
 377         while (unsol->rp != unsol->wp) {
 378                 rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE;
 379                 unsol->rp = rp;
 380                 rp <<= 1;
 381                 res = unsol->queue[rp];
 382                 caddr = unsol->queue[rp + 1];
 383                 if (!(caddr & (1 << 4))) /* no unsolicited event? */
 384                         continue;
 385                 codec = bus->caddr_tbl[caddr & 0x0f];
 386                 if (codec && codec->patch_ops.unsol_event)
 387                         codec->patch_ops.unsol_event(codec, res);
 388         }
 389 }
 390
 391 /*
 392  * initialize unsolicited queue
 393  */
 394 static int init_unsol_queue(struct hda_bus *bus)
 395 {
 396         struct hda_bus_unsolicited *unsol;
 397
 398         if (bus->unsol) /* already initialized */
 399                 return 0;
 400
 401         unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
 402         if (!unsol) {
 403                 snd_printk(KERN_ERR "hda_codec: "
 404                            "can't allocate unsolicited queue\n");
 405                 return -ENOMEM;
 406         }
 407         INIT_WORK(&unsol->work, process_unsol_events);
 408         unsol->bus = bus;
 409         bus->unsol = unsol;
 410         return 0;
 411 }
 412
 413 /*
 414  * destructor
 415  */
 416 static void snd_hda_codec_free(struct hda_codec *codec);
 417
 418 static int snd_hda_bus_free(struct hda_bus *bus)
 419 {
 420         struct hda_codec *codec, *n;
 421
 422         if (!bus)
 423                 return 0;
 424         if (bus->unsol) {
 425                 flush_scheduled_work();
 426                 kfree(bus->unsol);
 427         }
 428         list_for_each_entry_safe(codec, n, &bus->codec_list, list) {
 429                 snd_hda_codec_free(codec);
 430         }
 431         if (bus->ops.private_free)
 432                 bus->ops.private_free(bus);
 433         kfree(bus);
 434         return 0;
 435 }
 436
 437 static int snd_hda_bus_dev_free(struct snd_device *device)
 438 {
 439         struct hda_bus *bus = device->device_data;
 440         return snd_hda_bus_free(bus);
 441 }
 442
 443 #ifdef CONFIG_SND_HDA_HWDEP
 444 static int snd_hda_bus_dev_register(struct snd_device *device)
 445 {
 446         struct hda_bus *bus = device->device_data;
 447         struct hda_codec *codec;
 448         list_for_each_entry(codec, &bus->codec_list, list) {
 449                 snd_hda_hwdep_add_sysfs(codec);
 450         }
 451         return 0;
 452 }
 453 #else
 454 #define snd_hda_bus_dev_register        NULL
 455 #endif
 456
 457 /**
 458  * snd_hda_bus_new - create a HDA bus
 459  * @card: the card entry
 460  * @temp: the template for hda_bus information
 461  * @busp: the pointer to store the created bus instance
 462  *
 463  * Returns 0 if successful, or a negative error code.
 464  */
 465 int __devinit snd_hda_bus_new(struct snd_card *card,
 466                               const struct hda_bus_template *temp,
 467                               struct hda_bus **busp)
 468 {
 469         struct hda_bus *bus;
 470         int err;
 471         static struct snd_device_ops dev_ops = {
 472                 .dev_register = snd_hda_bus_dev_register,
 473                 .dev_free = snd_hda_bus_dev_free,
 474         };
 475
 476         if (snd_BUG_ON(!temp))
 477                 return -EINVAL;
 478         if (snd_BUG_ON(!temp->ops.command || !temp->ops.get_response))
 479                 return -EINVAL;
 480
 481         if (busp)
 482                 *busp = NULL;
 483
 484         bus = kzalloc(sizeof(*bus), GFP_KERNEL);
 485         if (bus == NULL) {
 486                 snd_printk(KERN_ERR "can't allocate struct hda_bus\n");
 487                 return -ENOMEM;
 488         }
 489
 490         bus->card = card;
 491         bus->private_data = temp->private_data;
 492         bus->pci = temp->pci;
 493         bus->modelname = temp->modelname;
 494         bus->ops = temp->ops;
 495
 496         mutex_init(&bus->cmd_mutex);
 497         INIT_LIST_HEAD(&bus->codec_list);
 498
 499         err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
 500         if (err < 0) {
 501                 snd_hda_bus_free(bus);
 502                 return err;
 503         }
 504         if (busp)
 505                 *busp = bus;
 506         return 0;
 507 }
 508
 509 #ifdef CONFIG_SND_HDA_GENERIC
 510 #define is_generic_config(codec) \
 511         (codec->modelname && !strcmp(codec->modelname, "generic"))
 512 #else
 513 #define is_generic_config(codec)        0
 514 #endif
 515
 516 /*
 517  * find a matching codec preset
 518  */
 519 static const struct hda_codec_preset *
 520 find_codec_preset(struct hda_codec *codec)
 521 {
 522         const struct hda_codec_preset **tbl, *preset;
 523
 524         if (is_generic_config(codec))
 525                 return NULL; /* use the generic parser */
 526
 527         for (tbl = hda_preset_tables; *tbl; tbl++) {
 528                 for (preset = *tbl; preset->id; preset++) {
 529                         u32 mask = preset->mask;
 530                         if (preset->afg && preset->afg != codec->afg)
 531                                 continue;
 532                         if (preset->mfg && preset->mfg != codec->mfg)
 533                                 continue;
 534                         if (!mask)
 535                                 mask = ~0;
 536                         if (preset->id == (codec->vendor_id & mask) &&
 537                             (!preset->rev ||
 538                              preset->rev == codec->revision_id))
 539                                 return preset;
 540                 }
 541         }
 542         return NULL;
 543 }
 544
 545 /*
 546  * get_codec_name - store the codec name
 547  */
 548 static int get_codec_name(struct hda_codec *codec)
 549 {
 550         const struct hda_vendor_id *c;
 551         const char *vendor = NULL;
 552         u16 vendor_id = codec->vendor_id >> 16;
 553         char tmp[16], name[32];
 554
 555         for (c = hda_vendor_ids; c->id; c++) {
 556                 if (c->id == vendor_id) {
 557                         vendor = c->name;
 558                         break;
 559                 }
 560         }
 561         if (!vendor) {
 562                 sprintf(tmp, "Generic %04x", vendor_id);
 563                 vendor = tmp;
 564         }
 565         if (codec->preset && codec->preset->name)
 566                 snprintf(name, sizeof(name), "%s %s", vendor,
 567                          codec->preset->name);
 568         else
 569                 snprintf(name, sizeof(name), "%s ID %x", vendor,
 570                          codec->vendor_id & 0xffff);
 571         codec->name = kstrdup(name, GFP_KERNEL);
 572         if (!codec->name)
 573                 return -ENOMEM;
 574         return 0;
 575 }
 576
 577 /*
 578  * look for an AFG and MFG nodes
 579  */
 580 static void __devinit setup_fg_nodes(struct hda_codec *codec)
 581 {
 582         int i, total_nodes;
 583         hda_nid_t nid;
 584
 585         total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
 586         for (i = 0; i < total_nodes; i++, nid++) {
 587                 unsigned int func;
 588                 func = snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE);
 589                 switch (func & 0xff) {
 590                 case AC_GRP_AUDIO_FUNCTION:
 591                         codec->afg = nid;
 592                         break;
 593                 case AC_GRP_MODEM_FUNCTION:
 594                         codec->mfg = nid;
 595                         break;
 596                 default:
 597                         break;
 598                 }
 599         }
 600 }
 601
 602 /*
 603  * read widget caps for each widget and store in cache
 604  */
 605 static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
 606 {
 607         int i;
 608         hda_nid_t nid;
 609
 610         codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node,
 611                                                  &codec->start_nid);
 612         codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL);
 613         if (!codec->wcaps)
 614                 return -ENOMEM;
 615         nid = codec->start_nid;
 616         for (i = 0; i < codec->num_nodes; i++, nid++)
 617                 codec->wcaps[i] = snd_hda_param_read(codec, nid,
 618                                                      AC_PAR_AUDIO_WIDGET_CAP);
 619         return 0;
 620 }
 621
 622
 623 static void init_hda_cache(struct hda_cache_rec *cache,
 624                            unsigned int record_size);
 625 static void free_hda_cache(struct hda_cache_rec *cache);
 626
 627 /*
 628  * codec destructor
 629  */
 630 static void snd_hda_codec_free(struct hda_codec *codec)
 631 {
 632         if (!codec)
 633                 return;
 634 #ifdef CONFIG_SND_HDA_POWER_SAVE
 635         cancel_delayed_work(&codec->power_work);
 636         flush_scheduled_work();
 637 #endif
 638         list_del(&codec->list);
 639         snd_array_free(&codec->mixers);
 640         codec->bus->caddr_tbl[codec->addr] = NULL;
 641         if (codec->patch_ops.free)
 642                 codec->patch_ops.free(codec);
 643         free_hda_cache(&codec->amp_cache);
 644         free_hda_cache(&codec->cmd_cache);
 645         kfree(codec->name);
 646         kfree(codec->modelname);
 647         kfree(codec->wcaps);
 648         kfree(codec);
 649 }
 650
 651 /**
 652  * snd_hda_codec_new - create a HDA codec
 653  * @bus: the bus to assign
 654  * @codec_addr: the codec address
 655  * @codecp: the pointer to store the generated codec
 656  *
 657  * Returns 0 if successful, or a negative error code.
 658  */
 659 int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
 660                                 struct hda_codec **codecp)
 661 {
 662         struct hda_codec *codec;
 663         char component[31];
 664         int err;
 665
 666         if (snd_BUG_ON(!bus))
 667                 return -EINVAL;
 668         if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
 669                 return -EINVAL;
 670
 671         if (bus->caddr_tbl[codec_addr]) {
 672                 snd_printk(KERN_ERR "hda_codec: "
 673                            "address 0x%x is already occupied\n", codec_addr);
 674                 return -EBUSY;
 675         }
 676
 677         codec = kzalloc(sizeof(*codec), GFP_KERNEL);
 678         if (codec == NULL) {
 679                 snd_printk(KERN_ERR "can't allocate struct hda_codec\n");
 680                 return -ENOMEM;
 681         }
 682
 683         codec->bus = bus;
 684         codec->addr = codec_addr;
 685         mutex_init(&codec->spdif_mutex);
 686         init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
 687         init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
 688         snd_array_init(&codec->mixers, sizeof(struct snd_kcontrol *), 32);
 689         if (codec->bus->modelname) {
 690                 codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL);
 691                 if (!codec->modelname) {
 692                         snd_hda_codec_free(codec);
 693                         return -ENODEV;
 694                 }
 695         }
 696
 697 #ifdef CONFIG_SND_HDA_POWER_SAVE
 698         INIT_DELAYED_WORK(&codec->power_work, hda_power_work);
 699         /* snd_hda_codec_new() marks the codec as power-up, and leave it as is.
 700          * the caller has to power down appropriatley after initialization
 701          * phase.
 702          */
 703         hda_keep_power_on(codec);
 704 #endif
 705
 706         list_add_tail(&codec->list, &bus->codec_list);
 707         bus->caddr_tbl[codec_addr] = codec;
 708
 709         codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 710                                               AC_PAR_VENDOR_ID);
 711         if (codec->vendor_id == -1)
 712                 /* read again, hopefully the access method was corrected
 713                  * in the last read...
 714                  */
 715                 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 716                                                       AC_PAR_VENDOR_ID);
 717         codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 718                                                  AC_PAR_SUBSYSTEM_ID);
 719         codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 720                                                 AC_PAR_REV_ID);
 721
 722         setup_fg_nodes(codec);
 723         if (!codec->afg && !codec->mfg) {
 724                 snd_printdd("hda_codec: no AFG or MFG node found\n");
 725                 snd_hda_codec_free(codec);
 726                 return -ENODEV;
 727         }
 728
 729         if (read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg) < 0) {
 730                 snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
 731                 snd_hda_codec_free(codec);
 732                 return -ENOMEM;
 733         }
 734
 735         if (!codec->subsystem_id) {
 736                 hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
 737                 codec->subsystem_id =
 738                         snd_hda_codec_read(codec, nid, 0,
 739                                            AC_VERB_GET_SUBSYSTEM_ID, 0);
 740         }
 741         if (bus->modelname)
 742                 codec->modelname = kstrdup(bus->modelname, GFP_KERNEL);
 743
 744         err = snd_hda_codec_configure(codec);
 745         if (err < 0) {
 746                 snd_hda_codec_free(codec);
 747                 return err;
 748         }
 749         snd_hda_codec_proc_new(codec);
 750
 751         snd_hda_create_hwdep(codec);
 752
 753         sprintf(component, "HDA:%08x,%08x,%08x", codec->vendor_id,
 754                 codec->subsystem_id, codec->revision_id);
 755         snd_component_add(codec->bus->card, component);
 756
 757         if (codecp)
 758                 *codecp = codec;
 759         return 0;
 760 }
 761
 762 int snd_hda_codec_configure(struct hda_codec *codec)
 763 {
 764         int err;
 765
 766         codec->preset = find_codec_preset(codec);
 767         if (!codec->name) {
 768                 err = get_codec_name(codec);
 769                 if (err < 0)
 770                         return err;
 771         }
 772         /* audio codec should override the mixer name */
 773         if (codec->afg || !*codec->bus->card->mixername)
 774                 strlcpy(codec->bus->card->mixername, codec->name,
 775                         sizeof(codec->bus->card->mixername));
 776
 777         if (is_generic_config(codec)) {
 778                 err = snd_hda_parse_generic_codec(codec);
 779                 goto patched;
 780         }
 781         if (codec->preset && codec->preset->patch) {
 782                 err = codec->preset->patch(codec);
 783                 goto patched;
 784         }
 785
 786         /* call the default parser */
 787         err = snd_hda_parse_generic_codec(codec);
 788         if (err < 0)
 789                 printk(KERN_ERR "hda-codec: No codec parser is available\n");
 790
 791  patched:
 792         if (!err && codec->patch_ops.unsol_event)
 793                 err = init_unsol_queue(codec->bus);
 794         return err;
 795 }
 796
 797 /**
 798  * snd_hda_codec_setup_stream - set up the codec for streaming
 799  * @codec: the CODEC to set up
 800  * @nid: the NID to set up
 801  * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
 802  * @channel_id: channel id to pass, zero based.
 803  * @format: stream format.
 804  */
 805 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
 806                                 u32 stream_tag,
 807                                 int channel_id, int format)
 808 {
 809         if (!nid)
 810                 return;
 811
 812         snd_printdd("hda_codec_setup_stream: "
 813                     "NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
 814                     nid, stream_tag, channel_id, format);
 815         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID,
 816                             (stream_tag << 4) | channel_id);
 817         msleep(1);
 818         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
 819 }
 820
 821 void snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid)
 822 {
 823         if (!nid)
 824                 return;
 825
 826         snd_printdd("hda_codec_cleanup_stream: NID=0x%x\n", nid);
 827         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
 828 #if 0 /* keep the format */
 829         msleep(1);
 830         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0);
 831 #endif
 832 }
 833
 834 /*
 835  * amp access functions
 836  */
 837
 838 /* FIXME: more better hash key? */
 839 #define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
 840 #define INFO_AMP_CAPS   (1<<0)
 841 #define INFO_AMP_VOL(ch)        (1 << (1 + (ch)))
 842
 843 /* initialize the hash table */
 844 static void __devinit init_hda_cache(struct hda_cache_rec *cache,
 845                                      unsigned int record_size)
 846 {
 847         memset(cache, 0, sizeof(*cache));
 848         memset(cache->hash, 0xff, sizeof(cache->hash));
 849         snd_array_init(&cache->buf, record_size, 64);
 850 }
 851
 852 static void free_hda_cache(struct hda_cache_rec *cache)
 853 {
 854         snd_array_free(&cache->buf);
 855 }
 856
 857 /* query the hash.  allocate an entry if not found. */
 858 static struct hda_cache_head  *get_alloc_hash(struct hda_cache_rec *cache,
 859                                               u32 key)
 860 {
 861         u16 idx = key % (u16)ARRAY_SIZE(cache->hash);
 862         u16 cur = cache->hash[idx];
 863         struct hda_cache_head *info_head = cache->buf.list;
 864         struct hda_cache_head *info;
 865
 866         while (cur != 0xffff) {
 867                 info = &info_head[cur];
 868                 if (info->key == key)
 869                         return info;
 870                 cur = info->next;
 871         }
 872
 873         /* add a new hash entry */
 874         info = snd_array_new(&cache->buf);
 875         info->key = key;
 876         info->val = 0;
 877         info->next = cache->hash[idx];
 878         cache->hash[idx] = cur;
 879
 880         return info;
 881 }
 882
 883 /* query and allocate an amp hash entry */
 884 static inline struct hda_amp_info *
 885 get_alloc_amp_hash(struct hda_codec *codec, u32 key)
 886 {
 887         return (struct hda_amp_info *)get_alloc_hash(&codec->amp_cache, key);
 888 }
 889
 890 /*
 891  * query AMP capabilities for the given widget and direction
 892  */
 893 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
 894 {
 895         struct hda_amp_info *info;
 896
 897         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0));
 898         if (!info)
 899                 return 0;
 900         if (!(info->head.val & INFO_AMP_CAPS)) {
 901                 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
 902                         nid = codec->afg;
 903                 info->amp_caps = snd_hda_param_read(codec, nid,
 904                                                     direction == HDA_OUTPUT ?
 905                                                     AC_PAR_AMP_OUT_CAP :
 906                                                     AC_PAR_AMP_IN_CAP);
 907                 if (info->amp_caps)
 908                         info->head.val |= INFO_AMP_CAPS;
 909         }
 910         return info->amp_caps;
 911 }
 912
 913 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
 914                               unsigned int caps)
 915 {
 916         struct hda_amp_info *info;
 917
 918         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, dir, 0));
 919         if (!info)
 920                 return -EINVAL;
 921         info->amp_caps = caps;
 922         info->head.val |= INFO_AMP_CAPS;
 923         return 0;
 924 }
 925
 926 /*
 927  * read the current volume to info
 928  * if the cache exists, read the cache value.
 929  */
 930 static unsigned int get_vol_mute(struct hda_codec *codec,
 931                                  struct hda_amp_info *info, hda_nid_t nid,
 932                                  int ch, int direction, int index)
 933 {
 934         u32 val, parm;
 935
 936         if (info->head.val & INFO_AMP_VOL(ch))
 937                 return info->vol[ch];
 938
 939         parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
 940         parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
 941         parm |= index;
 942         val = snd_hda_codec_read(codec, nid, 0,
 943                                  AC_VERB_GET_AMP_GAIN_MUTE, parm);
 944         info->vol[ch] = val & 0xff;
 945         info->head.val |= INFO_AMP_VOL(ch);
 946         return info->vol[ch];
 947 }
 948
 949 /*
 950  * write the current volume in info to the h/w and update the cache
 951  */
 952 static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
 953                          hda_nid_t nid, int ch, int direction, int index,
 954                          int val)
 955 {
 956         u32 parm;
 957
 958         parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
 959         parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
 960         parm |= index << AC_AMP_SET_INDEX_SHIFT;
 961         parm |= val;
 962         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
 963         info->vol[ch] = val;
 964 }
 965
 966 /*
 967  * read AMP value.  The volume is between 0 to 0x7f, 0x80 = mute bit.
 968  */
 969 int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
 970                            int direction, int index)
 971 {
 972         struct hda_amp_info *info;
 973         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
 974         if (!info)
 975                 return 0;
 976         return get_vol_mute(codec, info, nid, ch, direction, index);
 977 }
 978
 979 /*
 980  * update the AMP value, mask = bit mask to set, val = the value
 981  */
 982 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
 983                              int direction, int idx, int mask, int val)
 984 {
 985         struct hda_amp_info *info;
 986
 987         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx));
 988         if (!info)
 989                 return 0;
 990         val &= mask;
 991         val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask;
 992         if (info->vol[ch] == val)
 993                 return 0;
 994         put_vol_mute(codec, info, nid, ch, direction, idx, val);
 995         return 1;
 996 }
 997
 998 /*
 999  * update the AMP stereo with the same mask and value
1000  */
1001 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
1002                              int direction, int idx, int mask, int val)
1003 {
1004         int ch, ret = 0;
1005         for (ch = 0; ch < 2; ch++)
1006                 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
1007                                                 idx, mask, val);
1008         return ret;
1009 }
1010
1011 #ifdef SND_HDA_NEEDS_RESUME
1012 /* resume the all amp commands from the cache */
1013 void snd_hda_codec_resume_amp(struct hda_codec *codec)
1014 {
1015         struct hda_amp_info *buffer = codec->amp_cache.buf.list;
1016         int i;
1017
1018         for (i = 0; i < codec->amp_cache.buf.used; i++, buffer++) {
1019                 u32 key = buffer->head.key;
1020                 hda_nid_t nid;
1021                 unsigned int idx, dir, ch;
1022                 if (!key)
1023                         continue;
1024                 nid = key & 0xff;
1025                 idx = (key >> 16) & 0xff;
1026                 dir = (key >> 24) & 0xff;
1027                 for (ch = 0; ch < 2; ch++) {
1028                         if (!(buffer->head.val & INFO_AMP_VOL(ch)))
1029                                 continue;
1030                         put_vol_mute(codec, buffer, nid, ch, dir, idx,
1031                                      buffer->vol[ch]);
1032                 }
1033         }
1034 }
1035 #endif /* SND_HDA_NEEDS_RESUME */
1036
1037 /* volume */
1038 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
1039                                   struct snd_ctl_elem_info *uinfo)
1040 {
1041         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1042         u16 nid = get_amp_nid(kcontrol);
1043         u8 chs = get_amp_channels(kcontrol);
1044         int dir = get_amp_direction(kcontrol);
1045         u32 caps;
1046
1047         caps = query_amp_caps(codec, nid, dir);
1048         /* num steps */
1049         caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1050         if (!caps) {
1051                 printk(KERN_WARNING "hda_codec: "
1052                        "num_steps = 0 for NID=0x%x (ctl = %s)\n", nid,
1053                        kcontrol->id.name);
1054                 return -EINVAL;
1055         }
1056         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1057         uinfo->count = chs == 3 ? 2 : 1;
1058         uinfo->value.integer.min = 0;
1059         uinfo->value.integer.max = caps;
1060         return 0;
1061 }
1062
1063 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
1064                                  struct snd_ctl_elem_value *ucontrol)
1065 {
1066         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1067         hda_nid_t nid = get_amp_nid(kcontrol);
1068         int chs = get_amp_channels(kcontrol);
1069         int dir = get_amp_direction(kcontrol);
1070         int idx = get_amp_index(kcontrol);
1071         long *valp = ucontrol->value.integer.value;
1072
1073         if (chs & 1)
1074                 *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx)
1075                         & HDA_AMP_VOLMASK;
1076         if (chs & 2)
1077                 *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx)
1078                         & HDA_AMP_VOLMASK;
1079         return 0;
1080 }
1081
1082 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1083                                  struct snd_ctl_elem_value *ucontrol)
1084 {
1085         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1086         hda_nid_t nid = get_amp_nid(kcontrol);
1087         int chs = get_amp_channels(kcontrol);
1088         int dir = get_amp_direction(kcontrol);
1089         int idx = get_amp_index(kcontrol);
1090         long *valp = ucontrol->value.integer.value;
1091         int change = 0;
1092
1093         snd_hda_power_up(codec);
1094         if (chs & 1) {
1095                 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
1096                                                   0x7f, *valp);
1097                 valp++;
1098         }
1099         if (chs & 2)
1100                 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
1101                                                    0x7f, *valp);
1102         snd_hda_power_down(codec);
1103         return change;
1104 }
1105
1106 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1107                           unsigned int size, unsigned int __user *_tlv)
1108 {
1109         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1110         hda_nid_t nid = get_amp_nid(kcontrol);
1111         int dir = get_amp_direction(kcontrol);
1112         u32 caps, val1, val2;
1113
1114         if (size < 4 * sizeof(unsigned int))
1115                 return -ENOMEM;
1116         caps = query_amp_caps(codec, nid, dir);
1117         val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1118         val2 = (val2 + 1) * 25;
1119         val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1120         val1 = ((int)val1) * ((int)val2);
1121         if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
1122                 return -EFAULT;
1123         if (put_user(2 * sizeof(unsigned int), _tlv + 1))
1124                 return -EFAULT;
1125         if (put_user(val1, _tlv + 2))
1126                 return -EFAULT;
1127         if (put_user(val2, _tlv + 3))
1128                 return -EFAULT;
1129         return 0;
1130 }
1131
1132 /*
1133  * set (static) TLV for virtual master volume; recalculated as max 0dB
1134  */
1135 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1136                              unsigned int *tlv)
1137 {
1138         u32 caps;
1139         int nums, step;
1140
1141         caps = query_amp_caps(codec, nid, dir);
1142         nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1143         step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1144         step = (step + 1) * 25;
1145         tlv[0] = SNDRV_CTL_TLVT_DB_SCALE;
1146         tlv[1] = 2 * sizeof(unsigned int);
1147         tlv[2] = -nums * step;
1148         tlv[3] = step;
1149 }
1150
1151 /* find a mixer control element with the given name */
1152 static struct snd_kcontrol *
1153 _snd_hda_find_mixer_ctl(struct hda_codec *codec,
1154                         const char *name, int idx)
1155 {
1156         struct snd_ctl_elem_id id;
1157         memset(&id, 0, sizeof(id));
1158         id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1159         id.index = idx;
1160         strcpy(id.name, name);
1161         return snd_ctl_find_id(codec->bus->card, &id);
1162 }
1163
1164 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1165                                             const char *name)
1166 {
1167         return _snd_hda_find_mixer_ctl(codec, name, 0);
1168 }
1169
1170 /* Add a control element and assign to the codec */
1171 int snd_hda_ctl_add(struct hda_codec *codec, struct snd_kcontrol *kctl)
1172 {
1173         int err;
1174         struct snd_kcontrol **knewp;
1175
1176         err = snd_ctl_add(codec->bus->card, kctl);
1177         if (err < 0)
1178                 return err;
1179         knewp = snd_array_new(&codec->mixers);
1180         if (!knewp)
1181                 return -ENOMEM;
1182         *knewp = kctl;
1183         return 0;
1184 }
1185
1186 /* Clear all controls assigned to the given codec */
1187 void snd_hda_ctls_clear(struct hda_codec *codec)
1188 {
1189         int i;
1190         struct snd_kcontrol **kctls = codec->mixers.list;
1191         for (i = 0; i < codec->mixers.used; i++)
1192                 snd_ctl_remove(codec->bus->card, kctls[i]);
1193         snd_array_free(&codec->mixers);
1194 }
1195
1196 void snd_hda_codec_reset(struct hda_codec *codec)
1197 {
1198         int i;
1199
1200 #ifdef CONFIG_SND_HDA_POWER_SAVE
1201         cancel_delayed_work(&codec->power_work);
1202         flush_scheduled_work();
1203 #endif
1204         snd_hda_ctls_clear(codec);
1205         /* relase PCMs */
1206         for (i = 0; i < codec->num_pcms; i++) {
1207                 if (codec->pcm_info[i].pcm)
1208                         snd_device_free(codec->bus->card,
1209                                         codec->pcm_info[i].pcm);
1210         }
1211         if (codec->patch_ops.free)
1212                 codec->patch_ops.free(codec);
1213         codec->spec = NULL;
1214         free_hda_cache(&codec->amp_cache);
1215         free_hda_cache(&codec->cmd_cache);
1216         codec->num_pcms = 0;
1217         codec->pcm_info = NULL;
1218         codec->preset = NULL;
1219 }
1220
1221 /* create a virtual master control and add slaves */
1222 int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
1223                         unsigned int *tlv, const char **slaves)
1224 {
1225         struct snd_kcontrol *kctl;
1226         const char **s;
1227         int err;
1228
1229         for (s = slaves; *s && !snd_hda_find_mixer_ctl(codec, *s); s++)
1230                 ;
1231         if (!*s) {
1232                 snd_printdd("No slave found for %s\n", name);
1233                 return 0;
1234         }
1235         kctl = snd_ctl_make_virtual_master(name, tlv);
1236         if (!kctl)
1237                 return -ENOMEM;
1238         err = snd_hda_ctl_add(codec, kctl);
1239         if (err < 0)
1240                 return err;
1241
1242         for (s = slaves; *s; s++) {
1243                 struct snd_kcontrol *sctl;
1244
1245                 sctl = snd_hda_find_mixer_ctl(codec, *s);
1246                 if (!sctl) {
1247                         snd_printdd("Cannot find slave %s, skipped\n", *s);
1248                         continue;
1249                 }
1250                 err = snd_ctl_add_slave(kctl, sctl);
1251                 if (err < 0)
1252                         return err;
1253         }
1254         return 0;
1255 }
1256
1257 /* switch */
1258 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
1259                                   struct snd_ctl_elem_info *uinfo)
1260 {
1261         int chs = get_amp_channels(kcontrol);
1262
1263         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1264         uinfo->count = chs == 3 ? 2 : 1;
1265         uinfo->value.integer.min = 0;
1266         uinfo->value.integer.max = 1;
1267         return 0;
1268 }
1269
1270 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
1271                                  struct snd_ctl_elem_value *ucontrol)
1272 {
1273         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1274         hda_nid_t nid = get_amp_nid(kcontrol);
1275         int chs = get_amp_channels(kcontrol);
1276         int dir = get_amp_direction(kcontrol);
1277         int idx = get_amp_index(kcontrol);
1278         long *valp = ucontrol->value.integer.value;
1279
1280         if (chs & 1)
1281                 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
1282                            HDA_AMP_MUTE) ? 0 : 1;
1283         if (chs & 2)
1284                 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
1285                          HDA_AMP_MUTE) ? 0 : 1;
1286         return 0;
1287 }
1288
1289 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
1290                                  struct snd_ctl_elem_value *ucontrol)
1291 {
1292         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1293         hda_nid_t nid = get_amp_nid(kcontrol);
1294         int chs = get_amp_channels(kcontrol);
1295         int dir = get_amp_direction(kcontrol);
1296         int idx = get_amp_index(kcontrol);
1297         long *valp = ucontrol->value.integer.value;
1298         int change = 0;
1299
1300         snd_hda_power_up(codec);
1301         if (chs & 1) {
1302                 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
1303                                                   HDA_AMP_MUTE,
1304                                                   *valp ? 0 : HDA_AMP_MUTE);
1305                 valp++;
1306         }
1307         if (chs & 2)
1308                 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
1309                                                    HDA_AMP_MUTE,
1310                                                    *valp ? 0 : HDA_AMP_MUTE);
1311 #ifdef CONFIG_SND_HDA_POWER_SAVE
1312         if (codec->patch_ops.check_power_status)
1313                 codec->patch_ops.check_power_status(codec, nid);
1314 #endif
1315         snd_hda_power_down(codec);
1316         return change;
1317 }
1318
1319 /*
1320  * bound volume controls
1321  *
1322  * bind multiple volumes (# indices, from 0)
1323  */
1324
1325 #define AMP_VAL_IDX_SHIFT       19
1326 #define AMP_VAL_IDX_MASK        (0x0f<<19)
1327
1328 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
1329                                   struct snd_ctl_elem_value *ucontrol)
1330 {
1331         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1332         unsigned long pval;
1333         int err;
1334
1335         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1336         pval = kcontrol->private_value;
1337         kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
1338         err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
1339         kcontrol->private_value = pval;
1340         mutex_unlock(&codec->spdif_mutex);
1341         return err;
1342 }
1343
1344 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
1345                                   struct snd_ctl_elem_value *ucontrol)
1346 {
1347         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1348         unsigned long pval;
1349         int i, indices, err = 0, change = 0;
1350
1351         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1352         pval = kcontrol->private_value;
1353         indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
1354         for (i = 0; i < indices; i++) {
1355                 kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) |
1356                         (i << AMP_VAL_IDX_SHIFT);
1357                 err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
1358                 if (err < 0)
1359                         break;
1360                 change |= err;
1361         }
1362         kcontrol->private_value = pval;
1363         mutex_unlock(&codec->spdif_mutex);
1364         return err < 0 ? err : change;
1365 }
1366
1367 /*
1368  * generic bound volume/swtich controls
1369  */
1370 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
1371                                  struct snd_ctl_elem_info *uinfo)
1372 {
1373         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1374         struct hda_bind_ctls *c;
1375         int err;
1376
1377         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1378         c = (struct hda_bind_ctls *)kcontrol->private_value;
1379         kcontrol->private_value = *c->values;
1380         err = c->ops->info(kcontrol, uinfo);
1381         kcontrol->private_value = (long)c;
1382         mutex_unlock(&codec->spdif_mutex);
1383         return err;
1384 }
1385
1386 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
1387                                 struct snd_ctl_elem_value *ucontrol)
1388 {
1389         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1390         struct hda_bind_ctls *c;
1391         int err;
1392
1393         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1394         c = (struct hda_bind_ctls *)kcontrol->private_value;
1395         kcontrol->private_value = *c->values;
1396         err = c->ops->get(kcontrol, ucontrol);
1397         kcontrol->private_value = (long)c;
1398         mutex_unlock(&codec->spdif_mutex);
1399         return err;
1400 }
1401
1402 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
1403                                 struct snd_ctl_elem_value *ucontrol)
1404 {
1405         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1406         struct hda_bind_ctls *c;
1407         unsigned long *vals;
1408         int err = 0, change = 0;
1409
1410         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1411         c = (struct hda_bind_ctls *)kcontrol->private_value;
1412         for (vals = c->values; *vals; vals++) {
1413                 kcontrol->private_value = *vals;
1414                 err = c->ops->put(kcontrol, ucontrol);
1415                 if (err < 0)
1416                         break;
1417                 change |= err;
1418         }
1419         kcontrol->private_value = (long)c;
1420         mutex_unlock(&codec->spdif_mutex);
1421         return err < 0 ? err : change;
1422 }
1423
1424 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1425                            unsigned int size, unsigned int __user *tlv)
1426 {
1427         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1428         struct hda_bind_ctls *c;
1429         int err;
1430
1431         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1432         c = (struct hda_bind_ctls *)kcontrol->private_value;
1433         kcontrol->private_value = *c->values;
1434         err = c->ops->tlv(kcontrol, op_flag, size, tlv);
1435         kcontrol->private_value = (long)c;
1436         mutex_unlock(&codec->spdif_mutex);
1437         return err;
1438 }
1439
1440 struct hda_ctl_ops snd_hda_bind_vol = {
1441         .info = snd_hda_mixer_amp_volume_info,
1442         .get = snd_hda_mixer_amp_volume_get,
1443         .put = snd_hda_mixer_amp_volume_put,
1444         .tlv = snd_hda_mixer_amp_tlv
1445 };
1446
1447 struct hda_ctl_ops snd_hda_bind_sw = {
1448         .info = snd_hda_mixer_amp_switch_info,
1449         .get = snd_hda_mixer_amp_switch_get,
1450         .put = snd_hda_mixer_amp_switch_put,
1451         .tlv = snd_hda_mixer_amp_tlv
1452 };
1453
1454 /*
1455  * SPDIF out controls
1456  */
1457
1458 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
1459                                    struct snd_ctl_elem_info *uinfo)
1460 {
1461         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1462         uinfo->count = 1;
1463         return 0;
1464 }
1465
1466 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
1467                                    struct snd_ctl_elem_value *ucontrol)
1468 {
1469         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1470                                            IEC958_AES0_NONAUDIO |
1471                                            IEC958_AES0_CON_EMPHASIS_5015 |
1472                                            IEC958_AES0_CON_NOT_COPYRIGHT;
1473         ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
1474                                            IEC958_AES1_CON_ORIGINAL;
1475         return 0;
1476 }
1477
1478 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
1479                                    struct snd_ctl_elem_value *ucontrol)
1480 {
1481         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1482                                            IEC958_AES0_NONAUDIO |
1483                                            IEC958_AES0_PRO_EMPHASIS_5015;
1484         return 0;
1485 }
1486
1487 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
1488                                      struct snd_ctl_elem_value *ucontrol)
1489 {
1490         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1491
1492         ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff;
1493         ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff;
1494         ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff;
1495         ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff;
1496
1497         return 0;
1498 }
1499
1500 /* convert from SPDIF status bits to HDA SPDIF bits
1501  * bit 0 (DigEn) is always set zero (to be filled later)
1502  */
1503 static unsigned short convert_from_spdif_status(unsigned int sbits)
1504 {
1505         unsigned short val = 0;
1506
1507         if (sbits & IEC958_AES0_PROFESSIONAL)
1508                 val |= AC_DIG1_PROFESSIONAL;
1509         if (sbits & IEC958_AES0_NONAUDIO)
1510                 val |= AC_DIG1_NONAUDIO;
1511         if (sbits & IEC958_AES0_PROFESSIONAL) {
1512                 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
1513                     IEC958_AES0_PRO_EMPHASIS_5015)
1514                         val |= AC_DIG1_EMPHASIS;
1515         } else {
1516                 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
1517                     IEC958_AES0_CON_EMPHASIS_5015)
1518                         val |= AC_DIG1_EMPHASIS;
1519                 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
1520                         val |= AC_DIG1_COPYRIGHT;
1521                 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
1522                         val |= AC_DIG1_LEVEL;
1523                 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
1524         }
1525         return val;
1526 }
1527
1528 /* convert to SPDIF status bits from HDA SPDIF bits
1529  */
1530 static unsigned int convert_to_spdif_status(unsigned short val)
1531 {
1532         unsigned int sbits = 0;
1533
1534         if (val & AC_DIG1_NONAUDIO)
1535                 sbits |= IEC958_AES0_NONAUDIO;
1536         if (val & AC_DIG1_PROFESSIONAL)
1537                 sbits |= IEC958_AES0_PROFESSIONAL;
1538         if (sbits & IEC958_AES0_PROFESSIONAL) {
1539                 if (sbits & AC_DIG1_EMPHASIS)
1540                         sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
1541         } else {
1542                 if (val & AC_DIG1_EMPHASIS)
1543                         sbits |= IEC958_AES0_CON_EMPHASIS_5015;
1544                 if (!(val & AC_DIG1_COPYRIGHT))
1545                         sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
1546                 if (val & AC_DIG1_LEVEL)
1547                         sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
1548                 sbits |= val & (0x7f << 8);
1549         }
1550         return sbits;
1551 }
1552
1553 /* set digital convert verbs both for the given NID and its slaves */
1554 static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
1555                         int verb, int val)
1556 {
1557         hda_nid_t *d;
1558
1559         snd_hda_codec_write(codec, nid, 0, verb, val);
1560         d = codec->slave_dig_outs;
1561         if (!d)
1562                 return;
1563         for (; *d; d++)
1564                 snd_hda_codec_write(codec, *d, 0, verb, val);
1565 }
1566
1567 static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
1568                                        int dig1, int dig2)
1569 {
1570         if (dig1 != -1)
1571                 set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_1, dig1);
1572         if (dig2 != -1)
1573                 set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_2, dig2);
1574 }
1575
1576 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
1577                                      struct snd_ctl_elem_value *ucontrol)
1578 {
1579         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1580         hda_nid_t nid = kcontrol->private_value;
1581         unsigned short val;
1582         int change;
1583
1584         mutex_lock(&codec->spdif_mutex);
1585         codec->spdif_status = ucontrol->value.iec958.status[0] |
1586                 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
1587                 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
1588                 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
1589         val = convert_from_spdif_status(codec->spdif_status);
1590         val |= codec->spdif_ctls & 1;
1591         change = codec->spdif_ctls != val;
1592         codec->spdif_ctls = val;
1593
1594         if (change)
1595                 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
1596
1597         mutex_unlock(&codec->spdif_mutex);
1598         return change;
1599 }
1600
1601 #define snd_hda_spdif_out_switch_info   snd_ctl_boolean_mono_info
1602
1603 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
1604                                         struct snd_ctl_elem_value *ucontrol)
1605 {
1606         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1607
1608         ucontrol->value.integer.value[0] = codec->spdif_ctls & AC_DIG1_ENABLE;
1609         return 0;
1610 }
1611
1612 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
1613                                         struct snd_ctl_elem_value *ucontrol)
1614 {
1615         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1616         hda_nid_t nid = kcontrol->private_value;
1617         unsigned short val;
1618         int change;
1619
1620         mutex_lock(&codec->spdif_mutex);
1621         val = codec->spdif_ctls & ~AC_DIG1_ENABLE;
1622         if (ucontrol->value.integer.value[0])
1623                 val |= AC_DIG1_ENABLE;
1624         change = codec->spdif_ctls != val;
1625         if (change) {
1626                 codec->spdif_ctls = val;
1627                 set_dig_out_convert(codec, nid, val & 0xff, -1);
1628                 /* unmute amp switch (if any) */
1629                 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
1630                     (val & AC_DIG1_ENABLE))
1631                         snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
1632                                                  HDA_AMP_MUTE, 0);
1633         }
1634         mutex_unlock(&codec->spdif_mutex);
1635         return change;
1636 }
1637
1638 static struct snd_kcontrol_new dig_mixes[] = {
1639         {
1640                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1641                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1642                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1643                 .info = snd_hda_spdif_mask_info,
1644                 .get = snd_hda_spdif_cmask_get,
1645         },
1646         {
1647                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1648                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1649                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1650                 .info = snd_hda_spdif_mask_info,
1651                 .get = snd_hda_spdif_pmask_get,
1652         },
1653         {
1654                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1655                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1656                 .info = snd_hda_spdif_mask_info,
1657                 .get = snd_hda_spdif_default_get,
1658                 .put = snd_hda_spdif_default_put,
1659         },
1660         {
1661                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1662                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1663                 .info = snd_hda_spdif_out_switch_info,
1664                 .get = snd_hda_spdif_out_switch_get,
1665                 .put = snd_hda_spdif_out_switch_put,
1666         },
1667         { } /* end */
1668 };
1669
1670 #define SPDIF_MAX_IDX   4       /* 4 instances should be enough to probe */
1671
1672 /**
1673  * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1674  * @codec: the HDA codec
1675  * @nid: audio out widget NID
1676  *
1677  * Creates controls related with the SPDIF output.
1678  * Called from each patch supporting the SPDIF out.
1679  *
1680  * Returns 0 if successful, or a negative error code.
1681  */
1682 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid)
1683 {
1684         int err;
1685         struct snd_kcontrol *kctl;
1686         struct snd_kcontrol_new *dig_mix;
1687         int idx;
1688
1689         for (idx = 0; idx < SPDIF_MAX_IDX; idx++) {
1690                 if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Playback Switch",
1691                                              idx))
1692                         break;
1693         }
1694         if (idx >= SPDIF_MAX_IDX) {
1695                 printk(KERN_ERR "hda_codec: too many IEC958 outputs\n");
1696                 return -EBUSY;
1697         }
1698         for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
1699                 kctl = snd_ctl_new1(dig_mix, codec);
1700                 kctl->id.index = idx;
1701                 kctl->private_value = nid;
1702                 err = snd_hda_ctl_add(codec, kctl);
1703                 if (err < 0)
1704                         return err;
1705         }
1706         codec->spdif_ctls =
1707                 snd_hda_codec_read(codec, nid, 0,
1708                                    AC_VERB_GET_DIGI_CONVERT_1, 0);
1709         codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
1710         return 0;
1711 }
1712
1713 /*
1714  * SPDIF sharing with analog output
1715  */
1716 static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
1717                               struct snd_ctl_elem_value *ucontrol)
1718 {
1719         struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
1720         ucontrol->value.integer.value[0] = mout->share_spdif;
1721         return 0;
1722 }
1723
1724 static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
1725                               struct snd_ctl_elem_value *ucontrol)
1726 {
1727         struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
1728         mout->share_spdif = !!ucontrol->value.integer.value[0];
1729         return 0;
1730 }
1731
1732 static struct snd_kcontrol_new spdif_share_sw = {
1733         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1734         .name = "IEC958 Default PCM Playback Switch",
1735         .info = snd_ctl_boolean_mono_info,
1736         .get = spdif_share_sw_get,
1737         .put = spdif_share_sw_put,
1738 };
1739
1740 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
1741                                   struct hda_multi_out *mout)
1742 {
1743         if (!mout->dig_out_nid)
1744                 return 0;
1745         /* ATTENTION: here mout is passed as private_data, instead of codec */
1746         return snd_hda_ctl_add(codec,
1747                            snd_ctl_new1(&spdif_share_sw, mout));
1748 }
1749
1750 /*
1751  * SPDIF input
1752  */
1753
1754 #define snd_hda_spdif_in_switch_info    snd_hda_spdif_out_switch_info
1755
1756 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
1757                                        struct snd_ctl_elem_value *ucontrol)
1758 {
1759         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1760
1761         ucontrol->value.integer.value[0] = codec->spdif_in_enable;
1762         return 0;
1763 }
1764
1765 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
1766                                        struct snd_ctl_elem_value *ucontrol)
1767 {
1768         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1769         hda_nid_t nid = kcontrol->private_value;
1770         unsigned int val = !!ucontrol->value.integer.value[0];
1771         int change;
1772
1773         mutex_lock(&codec->spdif_mutex);
1774         change = codec->spdif_in_enable != val;
1775         if (change) {
1776                 codec->spdif_in_enable = val;
1777                 snd_hda_codec_write_cache(codec, nid, 0,
1778                                           AC_VERB_SET_DIGI_CONVERT_1, val);
1779         }
1780         mutex_unlock(&codec->spdif_mutex);
1781         return change;
1782 }
1783
1784 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
1785                                        struct snd_ctl_elem_value *ucontrol)
1786 {
1787         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1788         hda_nid_t nid = kcontrol->private_value;
1789         unsigned short val;
1790         unsigned int sbits;
1791
1792         val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT_1, 0);
1793         sbits = convert_to_spdif_status(val);
1794         ucontrol->value.iec958.status[0] = sbits;
1795         ucontrol->value.iec958.status[1] = sbits >> 8;
1796         ucontrol->value.iec958.status[2] = sbits >> 16;
1797         ucontrol->value.iec958.status[3] = sbits >> 24;
1798         return 0;
1799 }
1800
1801 static struct snd_kcontrol_new dig_in_ctls[] = {
1802         {
1803                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1804                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
1805                 .info = snd_hda_spdif_in_switch_info,
1806                 .get = snd_hda_spdif_in_switch_get,
1807                 .put = snd_hda_spdif_in_switch_put,
1808         },
1809         {
1810                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1811                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1812                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1813                 .info = snd_hda_spdif_mask_info,
1814                 .get = snd_hda_spdif_in_status_get,
1815         },
1816         { } /* end */
1817 };
1818
1819 /**
1820  * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1821  * @codec: the HDA codec
1822  * @nid: audio in widget NID
1823  *
1824  * Creates controls related with the SPDIF input.
1825  * Called from each patch supporting the SPDIF in.
1826  *
1827  * Returns 0 if successful, or a negative error code.
1828  */
1829 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
1830 {
1831         int err;
1832         struct snd_kcontrol *kctl;
1833         struct snd_kcontrol_new *dig_mix;
1834         int idx;
1835
1836         for (idx = 0; idx < SPDIF_MAX_IDX; idx++) {
1837                 if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Capture Switch",
1838                                              idx))
1839                         break;
1840         }
1841         if (idx >= SPDIF_MAX_IDX) {
1842                 printk(KERN_ERR "hda_codec: too many IEC958 inputs\n");
1843                 return -EBUSY;
1844         }
1845         for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
1846                 kctl = snd_ctl_new1(dig_mix, codec);
1847                 kctl->private_value = nid;
1848                 err = snd_hda_ctl_add(codec, kctl);
1849                 if (err < 0)
1850                         return err;
1851         }
1852         codec->spdif_in_enable =
1853                 snd_hda_codec_read(codec, nid, 0,
1854                                    AC_VERB_GET_DIGI_CONVERT_1, 0) &
1855                 AC_DIG1_ENABLE;
1856         return 0;
1857 }
1858
1859 #ifdef SND_HDA_NEEDS_RESUME
1860 /*
1861  * command cache
1862  */
1863
1864 /* build a 32bit cache key with the widget id and the command parameter */
1865 #define build_cmd_cache_key(nid, verb)  ((verb << 8) | nid)
1866 #define get_cmd_cache_nid(key)          ((key) & 0xff)
1867 #define get_cmd_cache_cmd(key)          (((key) >> 8) & 0xffff)
1868
1869 /**
1870  * snd_hda_codec_write_cache - send a single command with caching
1871  * @codec: the HDA codec
1872  * @nid: NID to send the command
1873  * @direct: direct flag
1874  * @verb: the verb to send
1875  * @parm: the parameter for the verb
1876  *
1877  * Send a single command without waiting for response.
1878  *
1879  * Returns 0 if successful, or a negative error code.
1880  */
1881 int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
1882                               int direct, unsigned int verb, unsigned int parm)
1883 {
1884         int err;
1885         snd_hda_power_up(codec);
1886         mutex_lock(&codec->bus->cmd_mutex);
1887         err = codec->bus->ops.command(codec, nid, direct, verb, parm);
1888         if (!err) {
1889                 struct hda_cache_head *c;
1890                 u32 key = build_cmd_cache_key(nid, verb);
1891                 c = get_alloc_hash(&codec->cmd_cache, key);
1892                 if (c)
1893                         c->val = parm;
1894         }
1895         mutex_unlock(&codec->bus->cmd_mutex);
1896         snd_hda_power_down(codec);
1897         return err;
1898 }
1899
1900 /* resume the all commands from the cache */
1901 void snd_hda_codec_resume_cache(struct hda_codec *codec)
1902 {
1903         struct hda_cache_head *buffer = codec->cmd_cache.buf.list;
1904         int i;
1905
1906         for (i = 0; i < codec->cmd_cache.buf.used; i++, buffer++) {
1907                 u32 key = buffer->key;
1908                 if (!key)
1909                         continue;
1910                 snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0,
1911                                     get_cmd_cache_cmd(key), buffer->val);
1912         }
1913 }
1914
1915 /**
1916  * snd_hda_sequence_write_cache - sequence writes with caching
1917  * @codec: the HDA codec
1918  * @seq: VERB array to send
1919  *
1920  * Send the commands sequentially from the given array.
1921  * Thte commands are recorded on cache for power-save and resume.
1922  * The array must be terminated with NID=0.
1923  */
1924 void snd_hda_sequence_write_cache(struct hda_codec *codec,
1925                                   const struct hda_verb *seq)
1926 {
1927         for (; seq->nid; seq++)
1928                 snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb,
1929                                           seq->param);
1930 }
1931 #endif /* SND_HDA_NEEDS_RESUME */
1932
1933 /*
1934  * set power state of the codec
1935  */
1936 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
1937                                 unsigned int power_state)
1938 {
1939         hda_nid_t nid;
1940         int i;
1941
1942         snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE,
1943                             power_state);
1944         msleep(10); /* partial workaround for "azx_get_response timeout" */
1945
1946         nid = codec->start_nid;
1947         for (i = 0; i < codec->num_nodes; i++, nid++) {
1948                 unsigned int wcaps = get_wcaps(codec, nid);
1949                 if (wcaps & AC_WCAP_POWER) {
1950                         unsigned int wid_type = (wcaps & AC_WCAP_TYPE) >>
1951                                 AC_WCAP_TYPE_SHIFT;
1952                         if (wid_type == AC_WID_PIN) {
1953                                 unsigned int pincap;
1954                                 /*
1955                                  * don't power down the widget if it controls
1956                                  * eapd and EAPD_BTLENABLE is set.
1957                                  */
1958                                 pincap = snd_hda_param_read(codec, nid,
1959                                                             AC_PAR_PIN_CAP);
1960                                 if (pincap & AC_PINCAP_EAPD) {
1961                                         int eapd = snd_hda_codec_read(codec,
1962                                                 nid, 0,
1963                                                 AC_VERB_GET_EAPD_BTLENABLE, 0);
1964                                         eapd &= 0x02;
1965                                         if (power_state == AC_PWRST_D3 && eapd)
1966                                                 continue;
1967                                 }
1968                         }
1969                         snd_hda_codec_write(codec, nid, 0,
1970                                             AC_VERB_SET_POWER_STATE,
1971                                             power_state);
1972                 }
1973         }
1974
1975         if (power_state == AC_PWRST_D0) {
1976                 unsigned long end_time;
1977                 int state;
1978                 msleep(10);
1979                 /* wait until the codec reachs to D0 */
1980                 end_time = jiffies + msecs_to_jiffies(500);
1981                 do {
1982                         state = snd_hda_codec_read(codec, fg, 0,
1983                                                    AC_VERB_GET_POWER_STATE, 0);
1984                         if (state == power_state)
1985                                 break;
1986                         msleep(1);
1987                 } while (time_after_eq(end_time, jiffies));
1988         }
1989 }
1990
1991 #ifdef CONFIG_SND_HDA_HWDEP
1992 /* execute additional init verbs */
1993 static void hda_exec_init_verbs(struct hda_codec *codec)
1994 {
1995         if (codec->init_verbs.list)
1996                 snd_hda_sequence_write(codec, codec->init_verbs.list);
1997 }
1998 #else
1999 static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
2000 #endif
2001
2002 #ifdef SND_HDA_NEEDS_RESUME
2003 /*
2004  * call suspend and power-down; used both from PM and power-save
2005  */
2006 static void hda_call_codec_suspend(struct hda_codec *codec)
2007 {
2008         if (codec->patch_ops.suspend)
2009                 codec->patch_ops.suspend(codec, PMSG_SUSPEND);
2010         hda_set_power_state(codec,
2011                             codec->afg ? codec->afg : codec->mfg,
2012                             AC_PWRST_D3);
2013 #ifdef CONFIG_SND_HDA_POWER_SAVE
2014         cancel_delayed_work(&codec->power_work);
2015         codec->power_on = 0;
2016         codec->power_transition = 0;
2017 #endif
2018 }
2019
2020 /*
2021  * kick up codec; used both from PM and power-save
2022  */
2023 static void hda_call_codec_resume(struct hda_codec *codec)
2024 {
2025         hda_set_power_state(codec,
2026                             codec->afg ? codec->afg : codec->mfg,
2027                             AC_PWRST_D0);
2028         hda_exec_init_verbs(codec);
2029         if (codec->patch_ops.resume)
2030                 codec->patch_ops.resume(codec);
2031         else {
2032                 if (codec->patch_ops.init)
2033                         codec->patch_ops.init(codec);
2034                 snd_hda_codec_resume_amp(codec);
2035                 snd_hda_codec_resume_cache(codec);
2036         }
2037 }
2038 #endif /* SND_HDA_NEEDS_RESUME */
2039
2040
2041 /**
2042  * snd_hda_build_controls - build mixer controls
2043  * @bus: the BUS
2044  *
2045  * Creates mixer controls for each codec included in the bus.
2046  *
2047  * Returns 0 if successful, otherwise a negative error code.
2048  */
2049 int __devinit snd_hda_build_controls(struct hda_bus *bus)
2050 {
2051         struct hda_codec *codec;
2052
2053         list_for_each_entry(codec, &bus->codec_list, list) {
2054                 int err = snd_hda_codec_build_controls(codec);
2055                 if (err < 0)
2056                         return err;
2057         }
2058         return 0;
2059 }
2060
2061 int snd_hda_codec_build_controls(struct hda_codec *codec)
2062 {
2063         int err = 0;
2064         /* fake as if already powered-on */
2065         hda_keep_power_on(codec);
2066         /* then fire up */
2067         hda_set_power_state(codec,
2068                             codec->afg ? codec->afg : codec->mfg,
2069                             AC_PWRST_D0);
2070         hda_exec_init_verbs(codec);
2071         /* continue to initialize... */
2072         if (codec->patch_ops.init)
2073                 err = codec->patch_ops.init(codec);
2074         if (!err && codec->patch_ops.build_controls)
2075                 err = codec->patch_ops.build_controls(codec);
2076         snd_hda_power_down(codec);
2077         if (err < 0)
2078                 return err;
2079         return 0;
2080 }
2081
2082 /*
2083  * stream formats
2084  */
2085 struct hda_rate_tbl {
2086         unsigned int hz;
2087         unsigned int alsa_bits;
2088         unsigned int hda_fmt;
2089 };
2090
2091 static struct hda_rate_tbl rate_bits[] = {
2092         /* rate in Hz, ALSA rate bitmask, HDA format value */
2093
2094         /* autodetected value used in snd_hda_query_supported_pcm */
2095         { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
2096         { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
2097         { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
2098         { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
2099         { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
2100         { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
2101         { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
2102         { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
2103         { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
2104         { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
2105         { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
2106 #define AC_PAR_PCM_RATE_BITS    11
2107         /* up to bits 10, 384kHZ isn't supported properly */
2108
2109         /* not autodetected value */
2110         { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
2111
2112         { 0 } /* terminator */
2113 };
2114
2115 /**
2116  * snd_hda_calc_stream_format - calculate format bitset
2117  * @rate: the sample rate
2118  * @channels: the number of channels
2119  * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
2120  * @maxbps: the max. bps
2121  *
2122  * Calculate the format bitset from the given rate, channels and th PCM format.
2123  *
2124  * Return zero if invalid.
2125  */
2126 unsigned int snd_hda_calc_stream_format(unsigned int rate,
2127                                         unsigned int channels,
2128                                         unsigned int format,
2129                                         unsigned int maxbps)
2130 {
2131         int i;
2132         unsigned int val = 0;
2133
2134         for (i = 0; rate_bits[i].hz; i++)
2135                 if (rate_bits[i].hz == rate) {
2136                         val = rate_bits[i].hda_fmt;
2137                         break;
2138                 }
2139         if (!rate_bits[i].hz) {
2140                 snd_printdd("invalid rate %d\n", rate);
2141                 return 0;
2142         }
2143
2144         if (channels == 0 || channels > 8) {
2145                 snd_printdd("invalid channels %d\n", channels);
2146                 return 0;
2147         }
2148         val |= channels - 1;
2149
2150         switch (snd_pcm_format_width(format)) {
2151         case 8:  val |= 0x00; break;
2152         case 16: val |= 0x10; break;
2153         case 20:
2154         case 24:
2155         case 32:
2156                 if (maxbps >= 32)
2157                         val |= 0x40;
2158                 else if (maxbps >= 24)
2159                         val |= 0x30;
2160                 else
2161                         val |= 0x20;
2162                 break;
2163         default:
2164                 snd_printdd("invalid format width %d\n",
2165                             snd_pcm_format_width(format));
2166                 return 0;
2167         }
2168
2169         return val;
2170 }
2171
2172 /**
2173  * snd_hda_query_supported_pcm - query the supported PCM rates and formats
2174  * @codec: the HDA codec
2175  * @nid: NID to query
2176  * @ratesp: the pointer to store the detected rate bitflags
2177  * @formatsp: the pointer to store the detected formats
2178  * @bpsp: the pointer to store the detected format widths
2179  *
2180  * Queries the supported PCM rates and formats.  The NULL @ratesp, @formatsp
2181  * or @bsps argument is ignored.
2182  *
2183  * Returns 0 if successful, otherwise a negative error code.
2184  */
2185 int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
2186                                 u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
2187 {
2188         int i;
2189         unsigned int val, streams;
2190
2191         val = 0;
2192         if (nid != codec->afg &&
2193             (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
2194                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
2195                 if (val == -1)
2196                         return -EIO;
2197         }
2198         if (!val)
2199                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
2200
2201         if (ratesp) {
2202                 u32 rates = 0;
2203                 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) {
2204                         if (val & (1 << i))
2205                                 rates |= rate_bits[i].alsa_bits;
2206                 }
2207                 *ratesp = rates;
2208         }
2209
2210         if (formatsp || bpsp) {
2211                 u64 formats = 0;
2212                 unsigned int bps;
2213                 unsigned int wcaps;
2214
2215                 wcaps = get_wcaps(codec, nid);
2216                 streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
2217                 if (streams == -1)
2218                         return -EIO;
2219                 if (!streams) {
2220                         streams = snd_hda_param_read(codec, codec->afg,
2221                                                      AC_PAR_STREAM);
2222                         if (streams == -1)
2223                                 return -EIO;
2224                 }
2225
2226                 bps = 0;
2227                 if (streams & AC_SUPFMT_PCM) {
2228                         if (val & AC_SUPPCM_BITS_8) {
2229                                 formats |= SNDRV_PCM_FMTBIT_U8;
2230                                 bps = 8;
2231                         }
2232                         if (val & AC_SUPPCM_BITS_16) {
2233                                 formats |= SNDRV_PCM_FMTBIT_S16_LE;
2234                                 bps = 16;
2235                         }
2236                         if (wcaps & AC_WCAP_DIGITAL) {
2237                                 if (val & AC_SUPPCM_BITS_32)
2238                                         formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
2239                                 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
2240                                         formats |= SNDRV_PCM_FMTBIT_S32_LE;
2241                                 if (val & AC_SUPPCM_BITS_24)
2242                                         bps = 24;
2243                                 else if (val & AC_SUPPCM_BITS_20)
2244                                         bps = 20;
2245                         } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|
2246                                           AC_SUPPCM_BITS_32)) {
2247                                 formats |= SNDRV_PCM_FMTBIT_S32_LE;
2248                                 if (val & AC_SUPPCM_BITS_32)
2249                                         bps = 32;
2250                                 else if (val & AC_SUPPCM_BITS_24)
2251                                         bps = 24;
2252                                 else if (val & AC_SUPPCM_BITS_20)
2253                                         bps = 20;
2254                         }
2255                 }
2256                 else if (streams == AC_SUPFMT_FLOAT32) {
2257                         /* should be exclusive */
2258                         formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
2259                         bps = 32;
2260                 } else if (streams == AC_SUPFMT_AC3) {
2261                         /* should be exclusive */
2262                         /* temporary hack: we have still no proper support
2263                          * for the direct AC3 stream...
2264                          */
2265                         formats |= SNDRV_PCM_FMTBIT_U8;
2266                         bps = 8;
2267                 }
2268                 if (formatsp)
2269                         *formatsp = formats;
2270                 if (bpsp)
2271                         *bpsp = bps;
2272         }
2273
2274         return 0;
2275 }
2276
2277 /**
2278  * snd_hda_is_supported_format - check whether the given node supports
2279  * the format val
2280  *
2281  * Returns 1 if supported, 0 if not.
2282  */
2283 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
2284                                 unsigned int format)
2285 {
2286         int i;
2287         unsigned int val = 0, rate, stream;
2288
2289         if (nid != codec->afg &&
2290             (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
2291                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
2292                 if (val == -1)
2293                         return 0;
2294         }
2295         if (!val) {
2296                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
2297                 if (val == -1)
2298                         return 0;
2299         }
2300
2301         rate = format & 0xff00;
2302         for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)
2303                 if (rate_bits[i].hda_fmt == rate) {
2304                         if (val & (1 << i))
2305                                 break;
2306                         return 0;
2307                 }
2308         if (i >= AC_PAR_PCM_RATE_BITS)
2309                 return 0;
2310
2311         stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
2312         if (stream == -1)
2313                 return 0;
2314         if (!stream && nid != codec->afg)
2315                 stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
2316         if (!stream || stream == -1)
2317                 return 0;
2318
2319         if (stream & AC_SUPFMT_PCM) {
2320                 switch (format & 0xf0) {
2321                 case 0x00:
2322                         if (!(val & AC_SUPPCM_BITS_8))
2323                                 return 0;
2324                         break;
2325                 case 0x10:
2326                         if (!(val & AC_SUPPCM_BITS_16))
2327                                 return 0;
2328                         break;
2329                 case 0x20:
2330                         if (!(val & AC_SUPPCM_BITS_20))
2331                                 return 0;
2332                         break;
2333                 case 0x30:
2334                         if (!(val & AC_SUPPCM_BITS_24))
2335                                 return 0;
2336                         break;
2337                 case 0x40:
2338                         if (!(val & AC_SUPPCM_BITS_32))
2339                                 return 0;
2340                         break;
2341                 default:
2342                         return 0;
2343                 }
2344         } else {
2345                 /* FIXME: check for float32 and AC3? */
2346         }
2347
2348         return 1;
2349 }
2350
2351 /*
2352  * PCM stuff
2353  */
2354 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
2355                                       struct hda_codec *codec,
2356                                       struct snd_pcm_substream *substream)
2357 {
2358         return 0;
2359 }
2360
2361 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
2362                                    struct hda_codec *codec,
2363                                    unsigned int stream_tag,
2364                                    unsigned int format,
2365                                    struct snd_pcm_substream *substream)
2366 {
2367         snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
2368         return 0;
2369 }
2370
2371 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
2372                                    struct hda_codec *codec,
2373                                    struct snd_pcm_substream *substream)
2374 {
2375         snd_hda_codec_cleanup_stream(codec, hinfo->nid);
2376         return 0;
2377 }
2378
2379 static int set_pcm_default_values(struct hda_codec *codec,
2380                                   struct hda_pcm_stream *info)
2381 {
2382         /* query support PCM information from the given NID */
2383         if (info->nid && (!info->rates || !info->formats)) {
2384                 snd_hda_query_supported_pcm(codec, info->nid,
2385                                 info->rates ? NULL : &info->rates,
2386                                 info->formats ? NULL : &info->formats,
2387                                 info->maxbps ? NULL : &info->maxbps);
2388         }
2389         if (info->ops.open == NULL)
2390                 info->ops.open = hda_pcm_default_open_close;
2391         if (info->ops.close == NULL)
2392                 info->ops.close = hda_pcm_default_open_close;
2393         if (info->ops.prepare == NULL) {
2394                 if (snd_BUG_ON(!info->nid))
2395                         return -EINVAL;
2396                 info->ops.prepare = hda_pcm_default_prepare;
2397         }
2398         if (info->ops.cleanup == NULL) {
2399                 if (snd_BUG_ON(!info->nid))
2400                         return -EINVAL;
2401                 info->ops.cleanup = hda_pcm_default_cleanup;
2402         }
2403         return 0;
2404 }
2405
2406 /*
2407  * attach a new PCM stream
2408  */
2409 static int __devinit
2410 snd_hda_attach_pcm(struct hda_codec *codec, struct hda_pcm *pcm)
2411 {
2412         struct hda_pcm_stream *info;
2413         int stream, err;
2414
2415         if (!pcm->name)
2416                 return -EINVAL;
2417         for (stream = 0; stream < 2; stream++) {
2418                 info = &pcm->stream[stream];
2419                 if (info->substreams) {
2420                         err = set_pcm_default_values(codec, info);
2421                         if (err < 0)
2422                                 return err;
2423                 }
2424         }
2425         return codec->bus->ops.attach_pcm(codec, pcm);
2426 }
2427
2428 /**
2429  * snd_hda_build_pcms - build PCM information
2430  * @bus: the BUS
2431  *
2432  * Create PCM information for each codec included in the bus.
2433  *
2434  * The build_pcms codec patch is requested to set up codec->num_pcms and
2435  * codec->pcm_info properly.  The array is referred by the top-level driver
2436  * to create its PCM instances.
2437  * The allocated codec->pcm_info should be released in codec->patch_ops.free
2438  * callback.
2439  *
2440  * At least, substreams, channels_min and channels_max must be filled for
2441  * each stream.  substreams = 0 indicates that the stream doesn't exist.
2442  * When rates and/or formats are zero, the supported values are queried
2443  * from the given nid.  The nid is used also by the default ops.prepare
2444  * and ops.cleanup callbacks.
2445  *
2446  * The driver needs to call ops.open in its open callback.  Similarly,
2447  * ops.close is supposed to be called in the close callback.
2448  * ops.prepare should be called in the prepare or hw_params callback
2449  * with the proper parameters for set up.
2450  * ops.cleanup should be called in hw_free for clean up of streams.
2451  *
2452  * This function returns 0 if successfull, or a negative error code.
2453  */
2454 int snd_hda_build_pcms(struct hda_bus *bus)
2455 {
2456         static const char *dev_name[HDA_PCM_NTYPES] = {
2457                 "Audio", "SPDIF", "HDMI", "Modem"
2458         };
2459         /* starting device index for each PCM type */
2460         static int dev_idx[HDA_PCM_NTYPES] = {
2461                 [HDA_PCM_TYPE_AUDIO] = 0,
2462                 [HDA_PCM_TYPE_SPDIF] = 1,
2463                 [HDA_PCM_TYPE_HDMI] = 3,
2464                 [HDA_PCM_TYPE_MODEM] = 6
2465         };
2466         /* normal audio device indices; not linear to keep compatibility */
2467         static int audio_idx[4] = { 0, 2, 4, 5 };
2468         struct hda_codec *codec;
2469         int num_devs[HDA_PCM_NTYPES];
2470
2471         memset(num_devs, 0, sizeof(num_devs));
2472         list_for_each_entry(codec, &bus->codec_list, list) {
2473                 unsigned int pcm;
2474                 int err;
2475                 if (!codec->num_pcms) {
2476                         if (!codec->patch_ops.build_pcms)
2477                                 continue;
2478                         err = codec->patch_ops.build_pcms(codec);
2479                         if (err < 0)
2480                                 return err;
2481                 }
2482                 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
2483                         struct hda_pcm *cpcm = &codec->pcm_info[pcm];
2484                         int type = cpcm->pcm_type;
2485                         int dev;
2486                         switch (type) {
2487                         case HDA_PCM_TYPE_AUDIO:
2488                                 if (num_devs[type] >= ARRAY_SIZE(audio_idx)) {
2489                                         snd_printk(KERN_WARNING
2490                                                    "Too many audio devices\n");
2491                                         continue;
2492                                 }
2493                                 dev = audio_idx[num_devs[type]];
2494                                 break;
2495                         case HDA_PCM_TYPE_SPDIF:
2496                         case HDA_PCM_TYPE_HDMI:
2497                         case HDA_PCM_TYPE_MODEM:
2498                                 if (num_devs[type]) {
2499                                         snd_printk(KERN_WARNING
2500                                                    "%s already defined\n",
2501                                                    dev_name[type]);
2502                                         continue;
2503                                 }
2504                                 dev = dev_idx[type];
2505                                 break;
2506                         default:
2507                                 snd_printk(KERN_WARNING
2508                                            "Invalid PCM type %d\n", type);
2509                                 continue;
2510                         }
2511                         num_devs[type]++;
2512                         if (!cpcm->pcm) {
2513                                 cpcm->device = dev;
2514                                 err = snd_hda_attach_pcm(codec, cpcm);
2515                                 if (err < 0)
2516                                         return err;
2517                         }
2518                 }
2519         }
2520         return 0;
2521 }
2522
2523 /**
2524  * snd_hda_check_board_config - compare the current codec with the config table
2525  * @codec: the HDA codec
2526  * @num_configs: number of config enums
2527  * @models: array of model name strings
2528  * @tbl: configuration table, terminated by null entries
2529  *
2530  * Compares the modelname or PCI subsystem id of the current codec with the
2531  * given configuration table.  If a matching entry is found, returns its
2532  * config value (supposed to be 0 or positive).
2533  *
2534  * If no entries are matching, the function returns a negative value.
2535  */
2536 int snd_hda_check_board_config(struct hda_codec *codec,
2537                                int num_configs, const char **models,
2538                                const struct snd_pci_quirk *tbl)
2539 {
2540         if (codec->modelname && models) {
2541                 int i;
2542                 for (i = 0; i < num_configs; i++) {
2543                         if (models[i] &&
2544                             !strcmp(codec->modelname, models[i])) {
2545                                 snd_printd(KERN_INFO "hda_codec: model '%s' is "
2546                                            "selected\n", models[i]);
2547                                 return i;
2548                         }
2549                 }
2550         }
2551
2552         if (!codec->bus->pci || !tbl)
2553                 return -1;
2554
2555         tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl);
2556         if (!tbl)
2557                 return -1;
2558         if (tbl->value >= 0 && tbl->value < num_configs) {
2559 #ifdef CONFIG_SND_DEBUG_VERBOSE
2560                 char tmp[10];
2561                 const char *model = NULL;
2562                 if (models)
2563                         model = models[tbl->value];
2564                 if (!model) {
2565                         sprintf(tmp, "#%d", tbl->value);
2566                         model = tmp;
2567                 }
2568                 snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
2569                             "for config %x:%x (%s)\n",
2570                             model, tbl->subvendor, tbl->subdevice,
2571                             (tbl->name ? tbl->name : "Unknown device"));
2572 #endif
2573                 return tbl->value;
2574         }
2575         return -1;
2576 }
2577
2578 /**
2579  * snd_hda_add_new_ctls - create controls from the array
2580  * @codec: the HDA codec
2581  * @knew: the array of struct snd_kcontrol_new
2582  *
2583  * This helper function creates and add new controls in the given array.
2584  * The array must be terminated with an empty entry as terminator.
2585  *
2586  * Returns 0 if successful, or a negative error code.
2587  */
2588 int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
2589 {
2590         int err;
2591
2592         for (; knew->name; knew++) {
2593                 struct snd_kcontrol *kctl;
2594                 kctl = snd_ctl_new1(knew, codec);
2595                 if (!kctl)
2596                         return -ENOMEM;
2597                 err = snd_hda_ctl_add(codec, kctl);
2598                 if (err < 0) {
2599                         if (!codec->addr)
2600                                 return err;
2601                         kctl = snd_ctl_new1(knew, codec);
2602                         if (!kctl)
2603                                 return -ENOMEM;
2604                         kctl->id.device = codec->addr;
2605                         err = snd_hda_ctl_add(codec, kctl);
2606                         if (err < 0)
2607                                 return err;
2608                 }
2609         }
2610         return 0;
2611 }
2612
2613 #ifdef CONFIG_SND_HDA_POWER_SAVE
2614 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2615                                 unsigned int power_state);
2616
2617 static void hda_power_work(struct work_struct *work)
2618 {
2619         struct hda_codec *codec =
2620                 container_of(work, struct hda_codec, power_work.work);
2621
2622         if (!codec->power_on || codec->power_count) {
2623                 codec->power_transition = 0;
2624                 return;
2625         }
2626
2627         hda_call_codec_suspend(codec);
2628         if (codec->bus->ops.pm_notify)
2629                 codec->bus->ops.pm_notify(codec);
2630 }
2631
2632 static void hda_keep_power_on(struct hda_codec *codec)
2633 {
2634         codec->power_count++;
2635         codec->power_on = 1;
2636 }
2637
2638 void snd_hda_power_up(struct hda_codec *codec)
2639 {
2640         codec->power_count++;
2641         if (codec->power_on || codec->power_transition)
2642                 return;
2643
2644         codec->power_on = 1;
2645         if (codec->bus->ops.pm_notify)
2646                 codec->bus->ops.pm_notify(codec);
2647         hda_call_codec_resume(codec);
2648         cancel_delayed_work(&codec->power_work);
2649         codec->power_transition = 0;
2650 }
2651
2652 void snd_hda_power_down(struct hda_codec *codec)
2653 {
2654         --codec->power_count;
2655         if (!codec->power_on || codec->power_count || codec->power_transition)
2656                 return;
2657         if (power_save) {
2658                 codec->power_transition = 1; /* avoid reentrance */
2659                 schedule_delayed_work(&codec->power_work,
2660                                       msecs_to_jiffies(power_save * 1000));
2661         }
2662 }
2663
2664 int snd_hda_check_amp_list_power(struct hda_codec *codec,
2665                                  struct hda_loopback_check *check,
2666                                  hda_nid_t nid)
2667 {
2668         struct hda_amp_list *p;
2669         int ch, v;
2670
2671         if (!check->amplist)
2672                 return 0;
2673         for (p = check->amplist; p->nid; p++) {
2674                 if (p->nid == nid)
2675                         break;
2676         }
2677         if (!p->nid)
2678                 return 0; /* nothing changed */
2679
2680         for (p = check->amplist; p->nid; p++) {
2681                 for (ch = 0; ch < 2; ch++) {
2682                         v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
2683                                                    p->idx);
2684                         if (!(v & HDA_AMP_MUTE) && v > 0) {
2685                                 if (!check->power_on) {
2686                                         check->power_on = 1;
2687                                         snd_hda_power_up(codec);
2688                                 }
2689                                 return 1;
2690                         }
2691                 }
2692         }
2693         if (check->power_on) {
2694                 check->power_on = 0;
2695                 snd_hda_power_down(codec);
2696         }
2697         return 0;
2698 }
2699 #endif
2700
2701 /*
2702  * Channel mode helper
2703  */
2704 int snd_hda_ch_mode_info(struct hda_codec *codec,
2705                          struct snd_ctl_elem_info *uinfo,
2706                          const struct hda_channel_mode *chmode,
2707                          int num_chmodes)
2708 {
2709         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2710         uinfo->count = 1;
2711         uinfo->value.enumerated.items = num_chmodes;
2712         if (uinfo->value.enumerated.item >= num_chmodes)
2713                 uinfo->value.enumerated.item = num_chmodes - 1;
2714         sprintf(uinfo->value.enumerated.name, "%dch",
2715                 chmode[uinfo->value.enumerated.item].channels);
2716         return 0;
2717 }
2718
2719 int snd_hda_ch_mode_get(struct hda_codec *codec,
2720                         struct snd_ctl_elem_value *ucontrol,
2721                         const struct hda_channel_mode *chmode,
2722                         int num_chmodes,
2723                         int max_channels)
2724 {
2725         int i;
2726
2727         for (i = 0; i < num_chmodes; i++) {
2728                 if (max_channels == chmode[i].channels) {
2729                         ucontrol->value.enumerated.item[0] = i;
2730                         break;
2731                 }
2732         }
2733         return 0;
2734 }
2735
2736 int snd_hda_ch_mode_put(struct hda_codec *codec,
2737                         struct snd_ctl_elem_value *ucontrol,
2738                         const struct hda_channel_mode *chmode,
2739                         int num_chmodes,
2740                         int *max_channelsp)
2741 {
2742         unsigned int mode;
2743
2744         mode = ucontrol->value.enumerated.item[0];
2745         if (mode >= num_chmodes)
2746                 return -EINVAL;
2747         if (*max_channelsp == chmode[mode].channels)
2748                 return 0;
2749         /* change the current channel setting */
2750         *max_channelsp = chmode[mode].channels;
2751         if (chmode[mode].sequence)
2752                 snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
2753         return 1;
2754 }
2755
2756 /*
2757  * input MUX helper
2758  */
2759 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
2760                            struct snd_ctl_elem_info *uinfo)
2761 {
2762         unsigned int index;
2763
2764         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2765         uinfo->count = 1;
2766         uinfo->value.enumerated.items = imux->num_items;
2767         if (!imux->num_items)
2768                 return 0;
2769         index = uinfo->value.enumerated.item;
2770         if (index >= imux->num_items)
2771                 index = imux->num_items - 1;
2772         strcpy(uinfo->value.enumerated.name, imux->items[index].label);
2773         return 0;
2774 }
2775
2776 int snd_hda_input_mux_put(struct hda_codec *codec,
2777                           const struct hda_input_mux *imux,
2778                           struct snd_ctl_elem_value *ucontrol,
2779                           hda_nid_t nid,
2780                           unsigned int *cur_val)
2781 {
2782         unsigned int idx;
2783
2784         if (!imux->num_items)
2785                 return 0;
2786         idx = ucontrol->value.enumerated.item[0];
2787         if (idx >= imux->num_items)
2788                 idx = imux->num_items - 1;
2789         if (*cur_val == idx)
2790                 return 0;
2791         snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
2792                                   imux->items[idx].index);
2793         *cur_val = idx;
2794         return 1;
2795 }
2796
2797
2798 /*
2799  * Multi-channel / digital-out PCM helper functions
2800  */
2801
2802 /* setup SPDIF output stream */
2803 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
2804                                  unsigned int stream_tag, unsigned int format)
2805 {
2806         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2807         if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
2808                 set_dig_out_convert(codec, nid,
2809                                     codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff,
2810                                     -1);
2811         snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
2812         if (codec->slave_dig_outs) {
2813                 hda_nid_t *d;
2814                 for (d = codec->slave_dig_outs; *d; d++)
2815                         snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
2816                                                    format);
2817         }
2818         /* turn on again (if needed) */
2819         if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
2820                 set_dig_out_convert(codec, nid,
2821                                     codec->spdif_ctls & 0xff, -1);
2822 }
2823
2824 static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
2825 {
2826         snd_hda_codec_cleanup_stream(codec, nid);
2827         if (codec->slave_dig_outs) {
2828                 hda_nid_t *d;
2829                 for (d = codec->slave_dig_outs; *d; d++)
2830                         snd_hda_codec_cleanup_stream(codec, *d);
2831         }
2832 }
2833
2834 /*
2835  * open the digital out in the exclusive mode
2836  */
2837 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
2838                                struct hda_multi_out *mout)
2839 {
2840         mutex_lock(&codec->spdif_mutex);
2841         if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
2842                 /* already opened as analog dup; reset it once */
2843                 cleanup_dig_out_stream(codec, mout->dig_out_nid);
2844         mout->dig_out_used = HDA_DIG_EXCLUSIVE;
2845         mutex_unlock(&codec->spdif_mutex);
2846         return 0;
2847 }
2848
2849 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
2850                                   struct hda_multi_out *mout,
2851                                   unsigned int stream_tag,
2852                                   unsigned int format,
2853                                   struct snd_pcm_substream *substream)
2854 {
2855         mutex_lock(&codec->spdif_mutex);
2856         setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
2857         mutex_unlock(&codec->spdif_mutex);
2858         return 0;
2859 }
2860
2861 /*
2862  * release the digital out
2863  */
2864 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
2865                                 struct hda_multi_out *mout)
2866 {
2867         mutex_lock(&codec->spdif_mutex);
2868         mout->dig_out_used = 0;
2869         mutex_unlock(&codec->spdif_mutex);
2870         return 0;
2871 }
2872
2873 /*
2874  * set up more restrictions for analog out
2875  */
2876 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
2877                                   struct hda_multi_out *mout,
2878                                   struct snd_pcm_substream *substream,
2879                                   struct hda_pcm_stream *hinfo)
2880 {
2881         struct snd_pcm_runtime *runtime = substream->runtime;
2882         runtime->hw.channels_max = mout->max_channels;
2883         if (mout->dig_out_nid) {
2884                 if (!mout->analog_rates) {
2885                         mout->analog_rates = hinfo->rates;
2886                         mout->analog_formats = hinfo->formats;
2887                         mout->analog_maxbps = hinfo->maxbps;
2888                 } else {
2889                         runtime->hw.rates = mout->analog_rates;
2890                         runtime->hw.formats = mout->analog_formats;
2891                         hinfo->maxbps = mout->analog_maxbps;
2892                 }
2893                 if (!mout->spdif_rates) {
2894                         snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
2895                                                     &mout->spdif_rates,
2896                                                     &mout->spdif_formats,
2897                                                     &mout->spdif_maxbps);
2898                 }
2899                 mutex_lock(&codec->spdif_mutex);
2900                 if (mout->share_spdif) {
2901                         runtime->hw.rates &= mout->spdif_rates;
2902                         runtime->hw.formats &= mout->spdif_formats;
2903                         if (mout->spdif_maxbps < hinfo->maxbps)
2904                                 hinfo->maxbps = mout->spdif_maxbps;
2905                 }
2906                 mutex_unlock(&codec->spdif_mutex);
2907         }
2908         return snd_pcm_hw_constraint_step(substream->runtime, 0,
2909                                           SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2910 }
2911
2912 /*
2913  * set up the i/o for analog out
2914  * when the digital out is available, copy the front out to digital out, too.
2915  */
2916 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
2917                                      struct hda_multi_out *mout,
2918                                      unsigned int stream_tag,
2919                                      unsigned int format,
2920                                      struct snd_pcm_substream *substream)
2921 {
2922         hda_nid_t *nids = mout->dac_nids;
2923         int chs = substream->runtime->channels;
2924         int i;
2925
2926         mutex_lock(&codec->spdif_mutex);
2927         if (mout->dig_out_nid && mout->share_spdif &&
2928             mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
2929                 if (chs == 2 &&
2930                     snd_hda_is_supported_format(codec, mout->dig_out_nid,
2931                                                 format) &&
2932                     !(codec->spdif_status & IEC958_AES0_NONAUDIO)) {
2933                         mout->dig_out_used = HDA_DIG_ANALOG_DUP;
2934                         setup_dig_out_stream(codec, mout->dig_out_nid,
2935                                              stream_tag, format);
2936                 } else {
2937                         mout->dig_out_used = 0;
2938                         cleanup_dig_out_stream(codec, mout->dig_out_nid);
2939                 }
2940         }
2941         mutex_unlock(&codec->spdif_mutex);
2942
2943         /* front */
2944         snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
2945                                    0, format);
2946         if (!mout->no_share_stream &&
2947             mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
2948                 /* headphone out will just decode front left/right (stereo) */
2949                 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
2950                                            0, format);
2951         /* extra outputs copied from front */
2952         for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2953                 if (!mout->no_share_stream && mout->extra_out_nid[i])
2954                         snd_hda_codec_setup_stream(codec,
2955                                                    mout->extra_out_nid[i],
2956                                                    stream_tag, 0, format);
2957
2958         /* surrounds */
2959         for (i = 1; i < mout->num_dacs; i++) {
2960                 if (chs >= (i + 1) * 2) /* independent out */
2961                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2962                                                    i * 2, format);
2963                 else if (!mout->no_share_stream) /* copy front */
2964                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2965                                                    0, format);
2966         }
2967         return 0;
2968 }
2969
2970 /*
2971  * clean up the setting for analog out
2972  */
2973 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
2974                                      struct hda_multi_out *mout)
2975 {
2976         hda_nid_t *nids = mout->dac_nids;
2977         int i;
2978
2979         for (i = 0; i < mout->num_dacs; i++)
2980                 snd_hda_codec_cleanup_stream(codec, nids[i]);
2981         if (mout->hp_nid)
2982                 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
2983         for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2984                 if (mout->extra_out_nid[i])
2985                         snd_hda_codec_cleanup_stream(codec,
2986                                                      mout->extra_out_nid[i]);
2987         mutex_lock(&codec->spdif_mutex);
2988         if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
2989                 cleanup_dig_out_stream(codec, mout->dig_out_nid);
2990                 mout->dig_out_used = 0;
2991         }
2992         mutex_unlock(&codec->spdif_mutex);
2993         return 0;
2994 }
2995
2996 /*
2997  * Helper for automatic pin configuration
2998  */
2999
3000 static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list)
3001 {
3002         for (; *list; list++)
3003                 if (*list == nid)
3004                         return 1;
3005         return 0;
3006 }
3007
3008
3009 /*
3010  * Sort an associated group of pins according to their sequence numbers.
3011  */
3012 static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences,
3013                                   int num_pins)
3014 {
3015         int i, j;
3016         short seq;
3017         hda_nid_t nid;
3018
3019         for (i = 0; i < num_pins; i++) {
3020                 for (j = i + 1; j < num_pins; j++) {
3021                         if (sequences[i] > sequences[j]) {
3022                                 seq = sequences[i];
3023                                 sequences[i] = sequences[j];
3024                                 sequences[j] = seq;
3025                                 nid = pins[i];
3026                                 pins[i] = pins[j];
3027                                 pins[j] = nid;
3028                         }
3029                 }
3030         }
3031 }
3032
3033
3034 /*
3035  * Parse all pin widgets and store the useful pin nids to cfg
3036  *
3037  * The number of line-outs or any primary output is stored in line_outs,
3038  * and the corresponding output pins are assigned to line_out_pins[],
3039  * in the order of front, rear, CLFE, side, ...
3040  *
3041  * If more extra outputs (speaker and headphone) are found, the pins are
3042  * assisnged to hp_pins[] and speaker_pins[], respectively.  If no line-out jack
3043  * is detected, one of speaker of HP pins is assigned as the primary
3044  * output, i.e. to line_out_pins[0].  So, line_outs is always positive
3045  * if any analog output exists.
3046  *
3047  * The analog input pins are assigned to input_pins array.
3048  * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
3049  * respectively.
3050  */
3051 int snd_hda_parse_pin_def_config(struct hda_codec *codec,
3052                                  struct auto_pin_cfg *cfg,
3053                                  hda_nid_t *ignore_nids)
3054 {
3055         hda_nid_t nid, end_nid;
3056         short seq, assoc_line_out, assoc_speaker;
3057         short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)];
3058         short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)];
3059         short sequences_hp[ARRAY_SIZE(cfg->hp_pins)];
3060
3061         memset(cfg, 0, sizeof(*cfg));
3062
3063         memset(sequences_line_out, 0, sizeof(sequences_line_out));
3064         memset(sequences_speaker, 0, sizeof(sequences_speaker));
3065         memset(sequences_hp, 0, sizeof(sequences_hp));
3066         assoc_line_out = assoc_speaker = 0;
3067
3068         end_nid = codec->start_nid + codec->num_nodes;
3069         for (nid = codec->start_nid; nid < end_nid; nid++) {
3070                 unsigned int wid_caps = get_wcaps(codec, nid);
3071                 unsigned int wid_type =
3072                         (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
3073                 unsigned int def_conf;
3074                 short assoc, loc;
3075
3076                 /* read all default configuration for pin complex */
3077                 if (wid_type != AC_WID_PIN)
3078                         continue;
3079                 /* ignore the given nids (e.g. pc-beep returns error) */
3080                 if (ignore_nids && is_in_nid_list(nid, ignore_nids))
3081                         continue;
3082
3083                 def_conf = snd_hda_codec_read(codec, nid, 0,
3084                                               AC_VERB_GET_CONFIG_DEFAULT, 0);
3085                 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
3086                         continue;
3087                 loc = get_defcfg_location(def_conf);
3088                 switch (get_defcfg_device(def_conf)) {
3089                 case AC_JACK_LINE_OUT:
3090                         seq = get_defcfg_sequence(def_conf);
3091                         assoc = get_defcfg_association(def_conf);
3092
3093                         if (!(wid_caps & AC_WCAP_STEREO))
3094                                 if (!cfg->mono_out_pin)
3095                                         cfg->mono_out_pin = nid;
3096                         if (!assoc)
3097                                 continue;
3098                         if (!assoc_line_out)
3099                                 assoc_line_out = assoc;
3100                         else if (assoc_line_out != assoc)
3101                                 continue;
3102                         if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
3103                                 continue;
3104                         cfg->line_out_pins[cfg->line_outs] = nid;
3105                         sequences_line_out[cfg->line_outs] = seq;
3106                         cfg->line_outs++;
3107                         break;
3108                 case AC_JACK_SPEAKER:
3109                         seq = get_defcfg_sequence(def_conf);
3110                         assoc = get_defcfg_association(def_conf);
3111                         if (! assoc)
3112                                 continue;
3113                         if (! assoc_speaker)
3114                                 assoc_speaker = assoc;
3115                         else if (assoc_speaker != assoc)
3116                                 continue;
3117                         if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
3118                                 continue;
3119                         cfg->speaker_pins[cfg->speaker_outs] = nid;
3120                         sequences_speaker[cfg->speaker_outs] = seq;
3121                         cfg->speaker_outs++;
3122                         break;
3123                 case AC_JACK_HP_OUT:
3124                         seq = get_defcfg_sequence(def_conf);
3125                         assoc = get_defcfg_association(def_conf);
3126                         if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
3127                                 continue;
3128                         cfg->hp_pins[cfg->hp_outs] = nid;
3129                         sequences_hp[cfg->hp_outs] = (assoc << 4) | seq;
3130                         cfg->hp_outs++;
3131                         break;
3132                 case AC_JACK_MIC_IN: {
3133                         int preferred, alt;
3134                         if (loc == AC_JACK_LOC_FRONT) {
3135                                 preferred = AUTO_PIN_FRONT_MIC;
3136                                 alt = AUTO_PIN_MIC;
3137                         } else {
3138                                 preferred = AUTO_PIN_MIC;
3139                                 alt = AUTO_PIN_FRONT_MIC;
3140                         }
3141                         if (!cfg->input_pins[preferred])
3142                                 cfg->input_pins[preferred] = nid;
3143                         else if (!cfg->input_pins[alt])
3144                                 cfg->input_pins[alt] = nid;
3145                         break;
3146                 }
3147                 case AC_JACK_LINE_IN:
3148                         if (loc == AC_JACK_LOC_FRONT)
3149                                 cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
3150                         else
3151                                 cfg->input_pins[AUTO_PIN_LINE] = nid;
3152                         break;
3153                 case AC_JACK_CD:
3154                         cfg->input_pins[AUTO_PIN_CD] = nid;
3155                         break;
3156                 case AC_JACK_AUX:
3157                         cfg->input_pins[AUTO_PIN_AUX] = nid;
3158                         break;
3159                 case AC_JACK_SPDIF_OUT:
3160                         cfg->dig_out_pin = nid;
3161                         break;
3162                 case AC_JACK_SPDIF_IN:
3163                         cfg->dig_in_pin = nid;
3164                         break;
3165                 }
3166         }
3167
3168         /* FIX-UP:
3169          * If no line-out is defined but multiple HPs are found,
3170          * some of them might be the real line-outs.
3171          */
3172         if (!cfg->line_outs && cfg->hp_outs > 1) {
3173                 int i = 0;
3174                 while (i < cfg->hp_outs) {
3175                         /* The real HPs should have the sequence 0x0f */
3176                         if ((sequences_hp[i] & 0x0f) == 0x0f) {
3177                                 i++;
3178                                 continue;
3179                         }
3180                         /* Move it to the line-out table */
3181                         cfg->line_out_pins[cfg->line_outs] = cfg->hp_pins[i];
3182                         sequences_line_out[cfg->line_outs] = sequences_hp[i];
3183                         cfg->line_outs++;
3184                         cfg->hp_outs--;
3185                         memmove(cfg->hp_pins + i, cfg->hp_pins + i + 1,
3186                                 sizeof(cfg->hp_pins[0]) * (cfg->hp_outs - i));
3187                         memmove(sequences_hp + i - 1, sequences_hp + i,
3188                                 sizeof(sequences_hp[0]) * (cfg->hp_outs - i));
3189                 }
3190         }
3191
3192         /* sort by sequence */
3193         sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out,
3194                               cfg->line_outs);
3195         sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker,
3196                               cfg->speaker_outs);
3197         sort_pins_by_sequence(cfg->hp_pins, sequences_hp,
3198                               cfg->hp_outs);
3199
3200         /* if we have only one mic, make it AUTO_PIN_MIC */
3201         if (!cfg->input_pins[AUTO_PIN_MIC] &&
3202             cfg->input_pins[AUTO_PIN_FRONT_MIC]) {
3203                 cfg->input_pins[AUTO_PIN_MIC] =
3204                         cfg->input_pins[AUTO_PIN_FRONT_MIC];
3205                 cfg->input_pins[AUTO_PIN_FRONT_MIC] = 0;
3206         }
3207         /* ditto for line-in */
3208         if (!cfg->input_pins[AUTO_PIN_LINE] &&
3209             cfg->input_pins[AUTO_PIN_FRONT_LINE]) {
3210                 cfg->input_pins[AUTO_PIN_LINE] =
3211                         cfg->input_pins[AUTO_PIN_FRONT_LINE];
3212                 cfg->input_pins[AUTO_PIN_FRONT_LINE] = 0;
3213         }
3214
3215         /*
3216          * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
3217          * as a primary output
3218          */
3219         if (!cfg->line_outs) {
3220                 if (cfg->speaker_outs) {
3221                         cfg->line_outs = cfg->speaker_outs;
3222                         memcpy(cfg->line_out_pins, cfg->speaker_pins,
3223                                sizeof(cfg->speaker_pins));
3224                         cfg->speaker_outs = 0;
3225                         memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
3226                         cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
3227                 } else if (cfg->hp_outs) {
3228                         cfg->line_outs = cfg->hp_outs;
3229                         memcpy(cfg->line_out_pins, cfg->hp_pins,
3230                                sizeof(cfg->hp_pins));
3231                         cfg->hp_outs = 0;
3232                         memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
3233                         cfg->line_out_type = AUTO_PIN_HP_OUT;
3234                 }
3235         }
3236
3237         /* Reorder the surround channels
3238          * ALSA sequence is front/surr/clfe/side
3239          * HDA sequence is:
3240          *    4-ch: front/surr  =>  OK as it is
3241          *    6-ch: front/clfe/surr
3242          *    8-ch: front/clfe/rear/side|fc
3243          */
3244         switch (cfg->line_outs) {
3245         case 3:
3246         case 4:
3247                 nid = cfg->line_out_pins[1];
3248                 cfg->line_out_pins[1] = cfg->line_out_pins[2];
3249                 cfg->line_out_pins[2] = nid;
3250                 break;
3251         }
3252
3253         /*
3254          * debug prints of the parsed results
3255          */
3256         snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3257                    cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
3258                    cfg->line_out_pins[2], cfg->line_out_pins[3],
3259                    cfg->line_out_pins[4]);
3260         snd_printd("   speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3261                    cfg->speaker_outs, cfg->speaker_pins[0],
3262                    cfg->speaker_pins[1], cfg->speaker_pins[2],
3263                    cfg->speaker_pins[3], cfg->speaker_pins[4]);
3264         snd_printd("   hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3265                    cfg->hp_outs, cfg->hp_pins[0],
3266                    cfg->hp_pins[1], cfg->hp_pins[2],
3267                    cfg->hp_pins[3], cfg->hp_pins[4]);
3268         snd_printd("   mono: mono_out=0x%x\n", cfg->mono_out_pin);
3269         snd_printd("   inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
3270                    " cd=0x%x, aux=0x%x\n",
3271                    cfg->input_pins[AUTO_PIN_MIC],
3272                    cfg->input_pins[AUTO_PIN_FRONT_MIC],
3273                    cfg->input_pins[AUTO_PIN_LINE],
3274                    cfg->input_pins[AUTO_PIN_FRONT_LINE],
3275                    cfg->input_pins[AUTO_PIN_CD],
3276                    cfg->input_pins[AUTO_PIN_AUX]);
3277
3278         return 0;
3279 }
3280
3281 /* labels for input pins */
3282 const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
3283         "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
3284 };
3285
3286
3287 #ifdef CONFIG_PM
3288 /*
3289  * power management
3290  */
3291
3292 /**
3293  * snd_hda_suspend - suspend the codecs
3294  * @bus: the HDA bus
3295  * @state: suspsend state
3296  *
3297  * Returns 0 if successful.
3298  */
3299 int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
3300 {
3301         struct hda_codec *codec;
3302
3303         list_for_each_entry(codec, &bus->codec_list, list) {
3304 #ifdef CONFIG_SND_HDA_POWER_SAVE
3305                 if (!codec->power_on)
3306                         continue;
3307 #endif
3308                 hda_call_codec_suspend(codec);
3309         }
3310         return 0;
3311 }
3312
3313 /**
3314  * snd_hda_resume - resume the codecs
3315  * @bus: the HDA bus
3316  * @state: resume state
3317  *
3318  * Returns 0 if successful.
3319  *
3320  * This fucntion is defined only when POWER_SAVE isn't set.
3321  * In the power-save mode, the codec is resumed dynamically.
3322  */
3323 int snd_hda_resume(struct hda_bus *bus)
3324 {
3325         struct hda_codec *codec;
3326
3327         list_for_each_entry(codec, &bus->codec_list, list) {
3328                 if (snd_hda_codec_needs_resume(codec))
3329                         hda_call_codec_resume(codec);
3330         }
3331         return 0;
3332 }
3333 #ifdef CONFIG_SND_HDA_POWER_SAVE
3334 int snd_hda_codecs_inuse(struct hda_bus *bus)
3335 {
3336         struct hda_codec *codec;
3337
3338         list_for_each_entry(codec, &bus->codec_list, list) {
3339                 if (snd_hda_codec_needs_resume(codec))
3340                         return 1;
3341         }
3342         return 0;
3343 }
3344 #endif
3345 #endif
3346
3347 /*
3348  * generic arrays
3349  */
3350
3351 /* get a new element from the given array
3352  * if it exceeds the pre-allocated array size, re-allocate the array
3353  */
3354 void *snd_array_new(struct snd_array *array)
3355 {
3356         if (array->used >= array->alloced) {
3357                 int num = array->alloced + array->alloc_align;
3358                 void *nlist = kcalloc(num + 1, array->elem_size, GFP_KERNEL);
3359                 if (!nlist)
3360                         return NULL;
3361                 if (array->list) {
3362                         memcpy(nlist, array->list,
3363                                array->elem_size * array->alloced);
3364                         kfree(array->list);
3365                 }
3366                 array->list = nlist;
3367                 array->alloced = num;
3368         }
3369         return array->list + (array->used++ * array->elem_size);
3370 }
3371
3372 /* free the given array elements */
3373 void snd_array_free(struct snd_array *array)
3374 {
3375         kfree(array->list);
3376         array->used = 0;
3377         array->alloced = 0;
3378         array->list = NULL;
3379 }