SAFE public projects git trees. - safe/jmp/linux-2.6/blob - sound/pci/hda/hda_codec.c

   1 /*
   2  * Universal Interface for Intel High Definition Audio Codec
   3  *
   4  * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
   5  *
   6  *
   7  *  This driver is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This driver is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  20  */
  21
  22 #include <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                 if (!kctl)
1701                         return -ENOMEM;
1702                 kctl->id.index = idx;
1703                 kctl->private_value = nid;
1704                 err = snd_hda_ctl_add(codec, kctl);
1705                 if (err < 0)
1706                         return err;
1707         }
1708         codec->spdif_ctls =
1709                 snd_hda_codec_read(codec, nid, 0,
1710                                    AC_VERB_GET_DIGI_CONVERT_1, 0);
1711         codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
1712         return 0;
1713 }
1714
1715 /*
1716  * SPDIF sharing with analog output
1717  */
1718 static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
1719                               struct snd_ctl_elem_value *ucontrol)
1720 {
1721         struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
1722         ucontrol->value.integer.value[0] = mout->share_spdif;
1723         return 0;
1724 }
1725
1726 static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
1727                               struct snd_ctl_elem_value *ucontrol)
1728 {
1729         struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
1730         mout->share_spdif = !!ucontrol->value.integer.value[0];
1731         return 0;
1732 }
1733
1734 static struct snd_kcontrol_new spdif_share_sw = {
1735         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1736         .name = "IEC958 Default PCM Playback Switch",
1737         .info = snd_ctl_boolean_mono_info,
1738         .get = spdif_share_sw_get,
1739         .put = spdif_share_sw_put,
1740 };
1741
1742 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
1743                                   struct hda_multi_out *mout)
1744 {
1745         if (!mout->dig_out_nid)
1746                 return 0;
1747         /* ATTENTION: here mout is passed as private_data, instead of codec */
1748         return snd_hda_ctl_add(codec,
1749                            snd_ctl_new1(&spdif_share_sw, mout));
1750 }
1751
1752 /*
1753  * SPDIF input
1754  */
1755
1756 #define snd_hda_spdif_in_switch_info    snd_hda_spdif_out_switch_info
1757
1758 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
1759                                        struct snd_ctl_elem_value *ucontrol)
1760 {
1761         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1762
1763         ucontrol->value.integer.value[0] = codec->spdif_in_enable;
1764         return 0;
1765 }
1766
1767 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
1768                                        struct snd_ctl_elem_value *ucontrol)
1769 {
1770         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1771         hda_nid_t nid = kcontrol->private_value;
1772         unsigned int val = !!ucontrol->value.integer.value[0];
1773         int change;
1774
1775         mutex_lock(&codec->spdif_mutex);
1776         change = codec->spdif_in_enable != val;
1777         if (change) {
1778                 codec->spdif_in_enable = val;
1779                 snd_hda_codec_write_cache(codec, nid, 0,
1780                                           AC_VERB_SET_DIGI_CONVERT_1, val);
1781         }
1782         mutex_unlock(&codec->spdif_mutex);
1783         return change;
1784 }
1785
1786 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
1787                                        struct snd_ctl_elem_value *ucontrol)
1788 {
1789         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1790         hda_nid_t nid = kcontrol->private_value;
1791         unsigned short val;
1792         unsigned int sbits;
1793
1794         val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT_1, 0);
1795         sbits = convert_to_spdif_status(val);
1796         ucontrol->value.iec958.status[0] = sbits;
1797         ucontrol->value.iec958.status[1] = sbits >> 8;
1798         ucontrol->value.iec958.status[2] = sbits >> 16;
1799         ucontrol->value.iec958.status[3] = sbits >> 24;
1800         return 0;
1801 }
1802
1803 static struct snd_kcontrol_new dig_in_ctls[] = {
1804         {
1805                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1806                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
1807                 .info = snd_hda_spdif_in_switch_info,
1808                 .get = snd_hda_spdif_in_switch_get,
1809                 .put = snd_hda_spdif_in_switch_put,
1810         },
1811         {
1812                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1813                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1814                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1815                 .info = snd_hda_spdif_mask_info,
1816                 .get = snd_hda_spdif_in_status_get,
1817         },
1818         { } /* end */
1819 };
1820
1821 /**
1822  * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1823  * @codec: the HDA codec
1824  * @nid: audio in widget NID
1825  *
1826  * Creates controls related with the SPDIF input.
1827  * Called from each patch supporting the SPDIF in.
1828  *
1829  * Returns 0 if successful, or a negative error code.
1830  */
1831 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
1832 {
1833         int err;
1834         struct snd_kcontrol *kctl;
1835         struct snd_kcontrol_new *dig_mix;
1836         int idx;
1837
1838         for (idx = 0; idx < SPDIF_MAX_IDX; idx++) {
1839                 if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Capture Switch",
1840                                              idx))
1841                         break;
1842         }
1843         if (idx >= SPDIF_MAX_IDX) {
1844                 printk(KERN_ERR "hda_codec: too many IEC958 inputs\n");
1845                 return -EBUSY;
1846         }
1847         for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
1848                 kctl = snd_ctl_new1(dig_mix, codec);
1849                 kctl->private_value = nid;
1850                 err = snd_hda_ctl_add(codec, kctl);
1851                 if (err < 0)
1852                         return err;
1853         }
1854         codec->spdif_in_enable =
1855                 snd_hda_codec_read(codec, nid, 0,
1856                                    AC_VERB_GET_DIGI_CONVERT_1, 0) &
1857                 AC_DIG1_ENABLE;
1858         return 0;
1859 }
1860
1861 #ifdef SND_HDA_NEEDS_RESUME
1862 /*
1863  * command cache
1864  */
1865
1866 /* build a 32bit cache key with the widget id and the command parameter */
1867 #define build_cmd_cache_key(nid, verb)  ((verb << 8) | nid)
1868 #define get_cmd_cache_nid(key)          ((key) & 0xff)
1869 #define get_cmd_cache_cmd(key)          (((key) >> 8) & 0xffff)
1870
1871 /**
1872  * snd_hda_codec_write_cache - send a single command with caching
1873  * @codec: the HDA codec
1874  * @nid: NID to send the command
1875  * @direct: direct flag
1876  * @verb: the verb to send
1877  * @parm: the parameter for the verb
1878  *
1879  * Send a single command without waiting for response.
1880  *
1881  * Returns 0 if successful, or a negative error code.
1882  */
1883 int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
1884                               int direct, unsigned int verb, unsigned int parm)
1885 {
1886         int err;
1887         snd_hda_power_up(codec);
1888         mutex_lock(&codec->bus->cmd_mutex);
1889         err = codec->bus->ops.command(codec, nid, direct, verb, parm);
1890         if (!err) {
1891                 struct hda_cache_head *c;
1892                 u32 key = build_cmd_cache_key(nid, verb);
1893                 c = get_alloc_hash(&codec->cmd_cache, key);
1894                 if (c)
1895                         c->val = parm;
1896         }
1897         mutex_unlock(&codec->bus->cmd_mutex);
1898         snd_hda_power_down(codec);
1899         return err;
1900 }
1901
1902 /* resume the all commands from the cache */
1903 void snd_hda_codec_resume_cache(struct hda_codec *codec)
1904 {
1905         struct hda_cache_head *buffer = codec->cmd_cache.buf.list;
1906         int i;
1907
1908         for (i = 0; i < codec->cmd_cache.buf.used; i++, buffer++) {
1909                 u32 key = buffer->key;
1910                 if (!key)
1911                         continue;
1912                 snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0,
1913                                     get_cmd_cache_cmd(key), buffer->val);
1914         }
1915 }
1916
1917 /**
1918  * snd_hda_sequence_write_cache - sequence writes with caching
1919  * @codec: the HDA codec
1920  * @seq: VERB array to send
1921  *
1922  * Send the commands sequentially from the given array.
1923  * Thte commands are recorded on cache for power-save and resume.
1924  * The array must be terminated with NID=0.
1925  */
1926 void snd_hda_sequence_write_cache(struct hda_codec *codec,
1927                                   const struct hda_verb *seq)
1928 {
1929         for (; seq->nid; seq++)
1930                 snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb,
1931                                           seq->param);
1932 }
1933 #endif /* SND_HDA_NEEDS_RESUME */
1934
1935 /*
1936  * set power state of the codec
1937  */
1938 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
1939                                 unsigned int power_state)
1940 {
1941         hda_nid_t nid;
1942         int i;
1943
1944         snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE,
1945                             power_state);
1946         msleep(10); /* partial workaround for "azx_get_response timeout" */
1947
1948         nid = codec->start_nid;
1949         for (i = 0; i < codec->num_nodes; i++, nid++) {
1950                 unsigned int wcaps = get_wcaps(codec, nid);
1951                 if (wcaps & AC_WCAP_POWER) {
1952                         unsigned int wid_type = (wcaps & AC_WCAP_TYPE) >>
1953                                 AC_WCAP_TYPE_SHIFT;
1954                         if (wid_type == AC_WID_PIN) {
1955                                 unsigned int pincap;
1956                                 /*
1957                                  * don't power down the widget if it controls
1958                                  * eapd and EAPD_BTLENABLE is set.
1959                                  */
1960                                 pincap = snd_hda_param_read(codec, nid,
1961                                                             AC_PAR_PIN_CAP);
1962                                 if (pincap & AC_PINCAP_EAPD) {
1963                                         int eapd = snd_hda_codec_read(codec,
1964                                                 nid, 0,
1965                                                 AC_VERB_GET_EAPD_BTLENABLE, 0);
1966                                         eapd &= 0x02;
1967                                         if (power_state == AC_PWRST_D3 && eapd)
1968                                                 continue;
1969                                 }
1970                         }
1971                         snd_hda_codec_write(codec, nid, 0,
1972                                             AC_VERB_SET_POWER_STATE,
1973                                             power_state);
1974                 }
1975         }
1976
1977         if (power_state == AC_PWRST_D0) {
1978                 unsigned long end_time;
1979                 int state;
1980                 msleep(10);
1981                 /* wait until the codec reachs to D0 */
1982                 end_time = jiffies + msecs_to_jiffies(500);
1983                 do {
1984                         state = snd_hda_codec_read(codec, fg, 0,
1985                                                    AC_VERB_GET_POWER_STATE, 0);
1986                         if (state == power_state)
1987                                 break;
1988                         msleep(1);
1989                 } while (time_after_eq(end_time, jiffies));
1990         }
1991 }
1992
1993 #ifdef CONFIG_SND_HDA_HWDEP
1994 /* execute additional init verbs */
1995 static void hda_exec_init_verbs(struct hda_codec *codec)
1996 {
1997         if (codec->init_verbs.list)
1998                 snd_hda_sequence_write(codec, codec->init_verbs.list);
1999 }
2000 #else
2001 static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
2002 #endif
2003
2004 #ifdef SND_HDA_NEEDS_RESUME
2005 /*
2006  * call suspend and power-down; used both from PM and power-save
2007  */
2008 static void hda_call_codec_suspend(struct hda_codec *codec)
2009 {
2010         if (codec->patch_ops.suspend)
2011                 codec->patch_ops.suspend(codec, PMSG_SUSPEND);
2012         hda_set_power_state(codec,
2013                             codec->afg ? codec->afg : codec->mfg,
2014                             AC_PWRST_D3);
2015 #ifdef CONFIG_SND_HDA_POWER_SAVE
2016         cancel_delayed_work(&codec->power_work);
2017         codec->power_on = 0;
2018         codec->power_transition = 0;
2019 #endif
2020 }
2021
2022 /*
2023  * kick up codec; used both from PM and power-save
2024  */
2025 static void hda_call_codec_resume(struct hda_codec *codec)
2026 {
2027         hda_set_power_state(codec,
2028                             codec->afg ? codec->afg : codec->mfg,
2029                             AC_PWRST_D0);
2030         hda_exec_init_verbs(codec);
2031         if (codec->patch_ops.resume)
2032                 codec->patch_ops.resume(codec);
2033         else {
2034                 if (codec->patch_ops.init)
2035                         codec->patch_ops.init(codec);
2036                 snd_hda_codec_resume_amp(codec);
2037                 snd_hda_codec_resume_cache(codec);
2038         }
2039 }
2040 #endif /* SND_HDA_NEEDS_RESUME */
2041
2042
2043 /**
2044  * snd_hda_build_controls - build mixer controls
2045  * @bus: the BUS
2046  *
2047  * Creates mixer controls for each codec included in the bus.
2048  *
2049  * Returns 0 if successful, otherwise a negative error code.
2050  */
2051 int __devinit snd_hda_build_controls(struct hda_bus *bus)
2052 {
2053         struct hda_codec *codec;
2054
2055         list_for_each_entry(codec, &bus->codec_list, list) {
2056                 int err = snd_hda_codec_build_controls(codec);
2057                 if (err < 0)
2058                         return err;
2059         }
2060         return 0;
2061 }
2062
2063 int snd_hda_codec_build_controls(struct hda_codec *codec)
2064 {
2065         int err = 0;
2066         /* fake as if already powered-on */
2067         hda_keep_power_on(codec);
2068         /* then fire up */
2069         hda_set_power_state(codec,
2070                             codec->afg ? codec->afg : codec->mfg,
2071                             AC_PWRST_D0);
2072         hda_exec_init_verbs(codec);
2073         /* continue to initialize... */
2074         if (codec->patch_ops.init)
2075                 err = codec->patch_ops.init(codec);
2076         if (!err && codec->patch_ops.build_controls)
2077                 err = codec->patch_ops.build_controls(codec);
2078         snd_hda_power_down(codec);
2079         if (err < 0)
2080                 return err;
2081         return 0;
2082 }
2083
2084 /*
2085  * stream formats
2086  */
2087 struct hda_rate_tbl {
2088         unsigned int hz;
2089         unsigned int alsa_bits;
2090         unsigned int hda_fmt;
2091 };
2092
2093 static struct hda_rate_tbl rate_bits[] = {
2094         /* rate in Hz, ALSA rate bitmask, HDA format value */
2095
2096         /* autodetected value used in snd_hda_query_supported_pcm */
2097         { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
2098         { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
2099         { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
2100         { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
2101         { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
2102         { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
2103         { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
2104         { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
2105         { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
2106         { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
2107         { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
2108 #define AC_PAR_PCM_RATE_BITS    11
2109         /* up to bits 10, 384kHZ isn't supported properly */
2110
2111         /* not autodetected value */
2112         { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
2113
2114         { 0 } /* terminator */
2115 };
2116
2117 /**
2118  * snd_hda_calc_stream_format - calculate format bitset
2119  * @rate: the sample rate
2120  * @channels: the number of channels
2121  * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
2122  * @maxbps: the max. bps
2123  *
2124  * Calculate the format bitset from the given rate, channels and th PCM format.
2125  *
2126  * Return zero if invalid.
2127  */
2128 unsigned int snd_hda_calc_stream_format(unsigned int rate,
2129                                         unsigned int channels,
2130                                         unsigned int format,
2131                                         unsigned int maxbps)
2132 {
2133         int i;
2134         unsigned int val = 0;
2135
2136         for (i = 0; rate_bits[i].hz; i++)
2137                 if (rate_bits[i].hz == rate) {
2138                         val = rate_bits[i].hda_fmt;
2139                         break;
2140                 }
2141         if (!rate_bits[i].hz) {
2142                 snd_printdd("invalid rate %d\n", rate);
2143                 return 0;
2144         }
2145
2146         if (channels == 0 || channels > 8) {
2147                 snd_printdd("invalid channels %d\n", channels);
2148                 return 0;
2149         }
2150         val |= channels - 1;
2151
2152         switch (snd_pcm_format_width(format)) {
2153         case 8:  val |= 0x00; break;
2154         case 16: val |= 0x10; break;
2155         case 20:
2156         case 24:
2157         case 32:
2158                 if (maxbps >= 32)
2159                         val |= 0x40;
2160                 else if (maxbps >= 24)
2161                         val |= 0x30;
2162                 else
2163                         val |= 0x20;
2164                 break;
2165         default:
2166                 snd_printdd("invalid format width %d\n",
2167                             snd_pcm_format_width(format));
2168                 return 0;
2169         }
2170
2171         return val;
2172 }
2173
2174 /**
2175  * snd_hda_query_supported_pcm - query the supported PCM rates and formats
2176  * @codec: the HDA codec
2177  * @nid: NID to query
2178  * @ratesp: the pointer to store the detected rate bitflags
2179  * @formatsp: the pointer to store the detected formats
2180  * @bpsp: the pointer to store the detected format widths
2181  *
2182  * Queries the supported PCM rates and formats.  The NULL @ratesp, @formatsp
2183  * or @bsps argument is ignored.
2184  *
2185  * Returns 0 if successful, otherwise a negative error code.
2186  */
2187 int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
2188                                 u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
2189 {
2190         int i;
2191         unsigned int val, streams;
2192
2193         val = 0;
2194         if (nid != codec->afg &&
2195             (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
2196                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
2197                 if (val == -1)
2198                         return -EIO;
2199         }
2200         if (!val)
2201                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
2202
2203         if (ratesp) {
2204                 u32 rates = 0;
2205                 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) {
2206                         if (val & (1 << i))
2207                                 rates |= rate_bits[i].alsa_bits;
2208                 }
2209                 *ratesp = rates;
2210         }
2211
2212         if (formatsp || bpsp) {
2213                 u64 formats = 0;
2214                 unsigned int bps;
2215                 unsigned int wcaps;
2216
2217                 wcaps = get_wcaps(codec, nid);
2218                 streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
2219                 if (streams == -1)
2220                         return -EIO;
2221                 if (!streams) {
2222                         streams = snd_hda_param_read(codec, codec->afg,
2223                                                      AC_PAR_STREAM);
2224                         if (streams == -1)
2225                                 return -EIO;
2226                 }
2227
2228                 bps = 0;
2229                 if (streams & AC_SUPFMT_PCM) {
2230                         if (val & AC_SUPPCM_BITS_8) {
2231                                 formats |= SNDRV_PCM_FMTBIT_U8;
2232                                 bps = 8;
2233                         }
2234                         if (val & AC_SUPPCM_BITS_16) {
2235                                 formats |= SNDRV_PCM_FMTBIT_S16_LE;
2236                                 bps = 16;
2237                         }
2238                         if (wcaps & AC_WCAP_DIGITAL) {
2239                                 if (val & AC_SUPPCM_BITS_32)
2240                                         formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
2241                                 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
2242                                         formats |= SNDRV_PCM_FMTBIT_S32_LE;
2243                                 if (val & AC_SUPPCM_BITS_24)
2244                                         bps = 24;
2245                                 else if (val & AC_SUPPCM_BITS_20)
2246                                         bps = 20;
2247                         } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|
2248                                           AC_SUPPCM_BITS_32)) {
2249                                 formats |= SNDRV_PCM_FMTBIT_S32_LE;
2250                                 if (val & AC_SUPPCM_BITS_32)
2251                                         bps = 32;
2252                                 else if (val & AC_SUPPCM_BITS_24)
2253                                         bps = 24;
2254                                 else if (val & AC_SUPPCM_BITS_20)
2255                                         bps = 20;
2256                         }
2257                 }
2258                 else if (streams == AC_SUPFMT_FLOAT32) {
2259                         /* should be exclusive */
2260                         formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
2261                         bps = 32;
2262                 } else if (streams == AC_SUPFMT_AC3) {
2263                         /* should be exclusive */
2264                         /* temporary hack: we have still no proper support
2265                          * for the direct AC3 stream...
2266                          */
2267                         formats |= SNDRV_PCM_FMTBIT_U8;
2268                         bps = 8;
2269                 }
2270                 if (formatsp)
2271                         *formatsp = formats;
2272                 if (bpsp)
2273                         *bpsp = bps;
2274         }
2275
2276         return 0;
2277 }
2278
2279 /**
2280  * snd_hda_is_supported_format - check whether the given node supports
2281  * the format val
2282  *
2283  * Returns 1 if supported, 0 if not.
2284  */
2285 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
2286                                 unsigned int format)
2287 {
2288         int i;
2289         unsigned int val = 0, rate, stream;
2290
2291         if (nid != codec->afg &&
2292             (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
2293                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
2294                 if (val == -1)
2295                         return 0;
2296         }
2297         if (!val) {
2298                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
2299                 if (val == -1)
2300                         return 0;
2301         }
2302
2303         rate = format & 0xff00;
2304         for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)
2305                 if (rate_bits[i].hda_fmt == rate) {
2306                         if (val & (1 << i))
2307                                 break;
2308                         return 0;
2309                 }
2310         if (i >= AC_PAR_PCM_RATE_BITS)
2311                 return 0;
2312
2313         stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
2314         if (stream == -1)
2315                 return 0;
2316         if (!stream && nid != codec->afg)
2317                 stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
2318         if (!stream || stream == -1)
2319                 return 0;
2320
2321         if (stream & AC_SUPFMT_PCM) {
2322                 switch (format & 0xf0) {
2323                 case 0x00:
2324                         if (!(val & AC_SUPPCM_BITS_8))
2325                                 return 0;
2326                         break;
2327                 case 0x10:
2328                         if (!(val & AC_SUPPCM_BITS_16))
2329                                 return 0;
2330                         break;
2331                 case 0x20:
2332                         if (!(val & AC_SUPPCM_BITS_20))
2333                                 return 0;
2334                         break;
2335                 case 0x30:
2336                         if (!(val & AC_SUPPCM_BITS_24))
2337                                 return 0;
2338                         break;
2339                 case 0x40:
2340                         if (!(val & AC_SUPPCM_BITS_32))
2341                                 return 0;
2342                         break;
2343                 default:
2344                         return 0;
2345                 }
2346         } else {
2347                 /* FIXME: check for float32 and AC3? */
2348         }
2349
2350         return 1;
2351 }
2352
2353 /*
2354  * PCM stuff
2355  */
2356 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
2357                                       struct hda_codec *codec,
2358                                       struct snd_pcm_substream *substream)
2359 {
2360         return 0;
2361 }
2362
2363 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
2364                                    struct hda_codec *codec,
2365                                    unsigned int stream_tag,
2366                                    unsigned int format,
2367                                    struct snd_pcm_substream *substream)
2368 {
2369         snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
2370         return 0;
2371 }
2372
2373 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
2374                                    struct hda_codec *codec,
2375                                    struct snd_pcm_substream *substream)
2376 {
2377         snd_hda_codec_cleanup_stream(codec, hinfo->nid);
2378         return 0;
2379 }
2380
2381 static int set_pcm_default_values(struct hda_codec *codec,
2382                                   struct hda_pcm_stream *info)
2383 {
2384         /* query support PCM information from the given NID */
2385         if (info->nid && (!info->rates || !info->formats)) {
2386                 snd_hda_query_supported_pcm(codec, info->nid,
2387                                 info->rates ? NULL : &info->rates,
2388                                 info->formats ? NULL : &info->formats,
2389                                 info->maxbps ? NULL : &info->maxbps);
2390         }
2391         if (info->ops.open == NULL)
2392                 info->ops.open = hda_pcm_default_open_close;
2393         if (info->ops.close == NULL)
2394                 info->ops.close = hda_pcm_default_open_close;
2395         if (info->ops.prepare == NULL) {
2396                 if (snd_BUG_ON(!info->nid))
2397                         return -EINVAL;
2398                 info->ops.prepare = hda_pcm_default_prepare;
2399         }
2400         if (info->ops.cleanup == NULL) {
2401                 if (snd_BUG_ON(!info->nid))
2402                         return -EINVAL;
2403                 info->ops.cleanup = hda_pcm_default_cleanup;
2404         }
2405         return 0;
2406 }
2407
2408 /*
2409  * attach a new PCM stream
2410  */
2411 static int __devinit
2412 snd_hda_attach_pcm(struct hda_codec *codec, struct hda_pcm *pcm)
2413 {
2414         struct hda_pcm_stream *info;
2415         int stream, err;
2416
2417         if (snd_BUG_ON(!pcm->name))
2418                 return -EINVAL;
2419         for (stream = 0; stream < 2; stream++) {
2420                 info = &pcm->stream[stream];
2421                 if (info->substreams) {
2422                         err = set_pcm_default_values(codec, info);
2423                         if (err < 0)
2424                                 return err;
2425                 }
2426         }
2427         return codec->bus->ops.attach_pcm(codec, pcm);
2428 }
2429
2430 /**
2431  * snd_hda_build_pcms - build PCM information
2432  * @bus: the BUS
2433  *
2434  * Create PCM information for each codec included in the bus.
2435  *
2436  * The build_pcms codec patch is requested to set up codec->num_pcms and
2437  * codec->pcm_info properly.  The array is referred by the top-level driver
2438  * to create its PCM instances.
2439  * The allocated codec->pcm_info should be released in codec->patch_ops.free
2440  * callback.
2441  *
2442  * At least, substreams, channels_min and channels_max must be filled for
2443  * each stream.  substreams = 0 indicates that the stream doesn't exist.
2444  * When rates and/or formats are zero, the supported values are queried
2445  * from the given nid.  The nid is used also by the default ops.prepare
2446  * and ops.cleanup callbacks.
2447  *
2448  * The driver needs to call ops.open in its open callback.  Similarly,
2449  * ops.close is supposed to be called in the close callback.
2450  * ops.prepare should be called in the prepare or hw_params callback
2451  * with the proper parameters for set up.
2452  * ops.cleanup should be called in hw_free for clean up of streams.
2453  *
2454  * This function returns 0 if successfull, or a negative error code.
2455  */
2456 int snd_hda_build_pcms(struct hda_bus *bus)
2457 {
2458         static const char *dev_name[HDA_PCM_NTYPES] = {
2459                 "Audio", "SPDIF", "HDMI", "Modem"
2460         };
2461         /* starting device index for each PCM type */
2462         static int dev_idx[HDA_PCM_NTYPES] = {
2463                 [HDA_PCM_TYPE_AUDIO] = 0,
2464                 [HDA_PCM_TYPE_SPDIF] = 1,
2465                 [HDA_PCM_TYPE_HDMI] = 3,
2466                 [HDA_PCM_TYPE_MODEM] = 6
2467         };
2468         /* normal audio device indices; not linear to keep compatibility */
2469         static int audio_idx[4] = { 0, 2, 4, 5 };
2470         struct hda_codec *codec;
2471         int num_devs[HDA_PCM_NTYPES];
2472
2473         memset(num_devs, 0, sizeof(num_devs));
2474         list_for_each_entry(codec, &bus->codec_list, list) {
2475                 unsigned int pcm;
2476                 int err;
2477                 if (!codec->num_pcms) {
2478                         if (!codec->patch_ops.build_pcms)
2479                                 continue;
2480                         err = codec->patch_ops.build_pcms(codec);
2481                         if (err < 0)
2482                                 return err;
2483                 }
2484                 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
2485                         struct hda_pcm *cpcm = &codec->pcm_info[pcm];
2486                         int type = cpcm->pcm_type;
2487                         int dev;
2488
2489                         if (!cpcm->stream[0].substreams &&
2490                             !cpcm->stream[1].substreams)
2491                                 continue; /* no substreams assigned */
2492
2493                         switch (type) {
2494                         case HDA_PCM_TYPE_AUDIO:
2495                                 if (num_devs[type] >= ARRAY_SIZE(audio_idx)) {
2496                                         snd_printk(KERN_WARNING
2497                                                    "Too many audio devices\n");
2498                                         continue;
2499                                 }
2500                                 dev = audio_idx[num_devs[type]];
2501                                 break;
2502                         case HDA_PCM_TYPE_SPDIF:
2503                         case HDA_PCM_TYPE_HDMI:
2504                         case HDA_PCM_TYPE_MODEM:
2505                                 if (num_devs[type]) {
2506                                         snd_printk(KERN_WARNING
2507                                                    "%s already defined\n",
2508                                                    dev_name[type]);
2509                                         continue;
2510                                 }
2511                                 dev = dev_idx[type];
2512                                 break;
2513                         default:
2514                                 snd_printk(KERN_WARNING
2515                                            "Invalid PCM type %d\n", type);
2516                                 continue;
2517                         }
2518                         num_devs[type]++;
2519                         if (!cpcm->pcm) {
2520                                 cpcm->device = dev;
2521                                 err = snd_hda_attach_pcm(codec, cpcm);
2522                                 if (err < 0)
2523                                         return err;
2524                         }
2525                 }
2526         }
2527         return 0;
2528 }
2529
2530 /**
2531  * snd_hda_check_board_config - compare the current codec with the config table
2532  * @codec: the HDA codec
2533  * @num_configs: number of config enums
2534  * @models: array of model name strings
2535  * @tbl: configuration table, terminated by null entries
2536  *
2537  * Compares the modelname or PCI subsystem id of the current codec with the
2538  * given configuration table.  If a matching entry is found, returns its
2539  * config value (supposed to be 0 or positive).
2540  *
2541  * If no entries are matching, the function returns a negative value.
2542  */
2543 int snd_hda_check_board_config(struct hda_codec *codec,
2544                                int num_configs, const char **models,
2545                                const struct snd_pci_quirk *tbl)
2546 {
2547         if (codec->modelname && models) {
2548                 int i;
2549                 for (i = 0; i < num_configs; i++) {
2550                         if (models[i] &&
2551                             !strcmp(codec->modelname, models[i])) {
2552                                 snd_printd(KERN_INFO "hda_codec: model '%s' is "
2553                                            "selected\n", models[i]);
2554                                 return i;
2555                         }
2556                 }
2557         }
2558
2559         if (!codec->bus->pci || !tbl)
2560                 return -1;
2561
2562         tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl);
2563         if (!tbl)
2564                 return -1;
2565         if (tbl->value >= 0 && tbl->value < num_configs) {
2566 #ifdef CONFIG_SND_DEBUG_VERBOSE
2567                 char tmp[10];
2568                 const char *model = NULL;
2569                 if (models)
2570                         model = models[tbl->value];
2571                 if (!model) {
2572                         sprintf(tmp, "#%d", tbl->value);
2573                         model = tmp;
2574                 }
2575                 snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
2576                             "for config %x:%x (%s)\n",
2577                             model, tbl->subvendor, tbl->subdevice,
2578                             (tbl->name ? tbl->name : "Unknown device"));
2579 #endif
2580                 return tbl->value;
2581         }
2582         return -1;
2583 }
2584
2585 /**
2586  * snd_hda_add_new_ctls - create controls from the array
2587  * @codec: the HDA codec
2588  * @knew: the array of struct snd_kcontrol_new
2589  *
2590  * This helper function creates and add new controls in the given array.
2591  * The array must be terminated with an empty entry as terminator.
2592  *
2593  * Returns 0 if successful, or a negative error code.
2594  */
2595 int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
2596 {
2597         int err;
2598
2599         for (; knew->name; knew++) {
2600                 struct snd_kcontrol *kctl;
2601                 kctl = snd_ctl_new1(knew, codec);
2602                 if (!kctl)
2603                         return -ENOMEM;
2604                 err = snd_hda_ctl_add(codec, kctl);
2605                 if (err < 0) {
2606                         if (!codec->addr)
2607                                 return err;
2608                         kctl = snd_ctl_new1(knew, codec);
2609                         if (!kctl)
2610                                 return -ENOMEM;
2611                         kctl->id.device = codec->addr;
2612                         err = snd_hda_ctl_add(codec, kctl);
2613                         if (err < 0)
2614                                 return err;
2615                 }
2616         }
2617         return 0;
2618 }
2619
2620 #ifdef CONFIG_SND_HDA_POWER_SAVE
2621 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2622                                 unsigned int power_state);
2623
2624 static void hda_power_work(struct work_struct *work)
2625 {
2626         struct hda_codec *codec =
2627                 container_of(work, struct hda_codec, power_work.work);
2628
2629         if (!codec->power_on || codec->power_count) {
2630                 codec->power_transition = 0;
2631                 return;
2632         }
2633
2634         hda_call_codec_suspend(codec);
2635         if (codec->bus->ops.pm_notify)
2636                 codec->bus->ops.pm_notify(codec);
2637 }
2638
2639 static void hda_keep_power_on(struct hda_codec *codec)
2640 {
2641         codec->power_count++;
2642         codec->power_on = 1;
2643 }
2644
2645 void snd_hda_power_up(struct hda_codec *codec)
2646 {
2647         codec->power_count++;
2648         if (codec->power_on || codec->power_transition)
2649                 return;
2650
2651         codec->power_on = 1;
2652         if (codec->bus->ops.pm_notify)
2653                 codec->bus->ops.pm_notify(codec);
2654         hda_call_codec_resume(codec);
2655         cancel_delayed_work(&codec->power_work);
2656         codec->power_transition = 0;
2657 }
2658
2659 void snd_hda_power_down(struct hda_codec *codec)
2660 {
2661         --codec->power_count;
2662         if (!codec->power_on || codec->power_count || codec->power_transition)
2663                 return;
2664         if (power_save) {
2665                 codec->power_transition = 1; /* avoid reentrance */
2666                 schedule_delayed_work(&codec->power_work,
2667                                       msecs_to_jiffies(power_save * 1000));
2668         }
2669 }
2670
2671 int snd_hda_check_amp_list_power(struct hda_codec *codec,
2672                                  struct hda_loopback_check *check,
2673                                  hda_nid_t nid)
2674 {
2675         struct hda_amp_list *p;
2676         int ch, v;
2677
2678         if (!check->amplist)
2679                 return 0;
2680         for (p = check->amplist; p->nid; p++) {
2681                 if (p->nid == nid)
2682                         break;
2683         }
2684         if (!p->nid)
2685                 return 0; /* nothing changed */
2686
2687         for (p = check->amplist; p->nid; p++) {
2688                 for (ch = 0; ch < 2; ch++) {
2689                         v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
2690                                                    p->idx);
2691                         if (!(v & HDA_AMP_MUTE) && v > 0) {
2692                                 if (!check->power_on) {
2693                                         check->power_on = 1;
2694                                         snd_hda_power_up(codec);
2695                                 }
2696                                 return 1;
2697                         }
2698                 }
2699         }
2700         if (check->power_on) {
2701                 check->power_on = 0;
2702                 snd_hda_power_down(codec);
2703         }
2704         return 0;
2705 }
2706 #endif
2707
2708 /*
2709  * Channel mode helper
2710  */
2711 int snd_hda_ch_mode_info(struct hda_codec *codec,
2712                          struct snd_ctl_elem_info *uinfo,
2713                          const struct hda_channel_mode *chmode,
2714                          int num_chmodes)
2715 {
2716         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2717         uinfo->count = 1;
2718         uinfo->value.enumerated.items = num_chmodes;
2719         if (uinfo->value.enumerated.item >= num_chmodes)
2720                 uinfo->value.enumerated.item = num_chmodes - 1;
2721         sprintf(uinfo->value.enumerated.name, "%dch",
2722                 chmode[uinfo->value.enumerated.item].channels);
2723         return 0;
2724 }
2725
2726 int snd_hda_ch_mode_get(struct hda_codec *codec,
2727                         struct snd_ctl_elem_value *ucontrol,
2728                         const struct hda_channel_mode *chmode,
2729                         int num_chmodes,
2730                         int max_channels)
2731 {
2732         int i;
2733
2734         for (i = 0; i < num_chmodes; i++) {
2735                 if (max_channels == chmode[i].channels) {
2736                         ucontrol->value.enumerated.item[0] = i;
2737                         break;
2738                 }
2739         }
2740         return 0;
2741 }
2742
2743 int snd_hda_ch_mode_put(struct hda_codec *codec,
2744                         struct snd_ctl_elem_value *ucontrol,
2745                         const struct hda_channel_mode *chmode,
2746                         int num_chmodes,
2747                         int *max_channelsp)
2748 {
2749         unsigned int mode;
2750
2751         mode = ucontrol->value.enumerated.item[0];
2752         if (mode >= num_chmodes)
2753                 return -EINVAL;
2754         if (*max_channelsp == chmode[mode].channels)
2755                 return 0;
2756         /* change the current channel setting */
2757         *max_channelsp = chmode[mode].channels;
2758         if (chmode[mode].sequence)
2759                 snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
2760         return 1;
2761 }
2762
2763 /*
2764  * input MUX helper
2765  */
2766 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
2767                            struct snd_ctl_elem_info *uinfo)
2768 {
2769         unsigned int index;
2770
2771         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2772         uinfo->count = 1;
2773         uinfo->value.enumerated.items = imux->num_items;
2774         if (!imux->num_items)
2775                 return 0;
2776         index = uinfo->value.enumerated.item;
2777         if (index >= imux->num_items)
2778                 index = imux->num_items - 1;
2779         strcpy(uinfo->value.enumerated.name, imux->items[index].label);
2780         return 0;
2781 }
2782
2783 int snd_hda_input_mux_put(struct hda_codec *codec,
2784                           const struct hda_input_mux *imux,
2785                           struct snd_ctl_elem_value *ucontrol,
2786                           hda_nid_t nid,
2787                           unsigned int *cur_val)
2788 {
2789         unsigned int idx;
2790
2791         if (!imux->num_items)
2792                 return 0;
2793         idx = ucontrol->value.enumerated.item[0];
2794         if (idx >= imux->num_items)
2795                 idx = imux->num_items - 1;
2796         if (*cur_val == idx)
2797                 return 0;
2798         snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
2799                                   imux->items[idx].index);
2800         *cur_val = idx;
2801         return 1;
2802 }
2803
2804
2805 /*
2806  * Multi-channel / digital-out PCM helper functions
2807  */
2808
2809 /* setup SPDIF output stream */
2810 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
2811                                  unsigned int stream_tag, unsigned int format)
2812 {
2813         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2814         if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
2815                 set_dig_out_convert(codec, nid,
2816                                     codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff,
2817                                     -1);
2818         snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
2819         if (codec->slave_dig_outs) {
2820                 hda_nid_t *d;
2821                 for (d = codec->slave_dig_outs; *d; d++)
2822                         snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
2823                                                    format);
2824         }
2825         /* turn on again (if needed) */
2826         if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
2827                 set_dig_out_convert(codec, nid,
2828                                     codec->spdif_ctls & 0xff, -1);
2829 }
2830
2831 static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
2832 {
2833         snd_hda_codec_cleanup_stream(codec, nid);
2834         if (codec->slave_dig_outs) {
2835                 hda_nid_t *d;
2836                 for (d = codec->slave_dig_outs; *d; d++)
2837                         snd_hda_codec_cleanup_stream(codec, *d);
2838         }
2839 }
2840
2841 /*
2842  * open the digital out in the exclusive mode
2843  */
2844 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
2845                                struct hda_multi_out *mout)
2846 {
2847         mutex_lock(&codec->spdif_mutex);
2848         if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
2849                 /* already opened as analog dup; reset it once */
2850                 cleanup_dig_out_stream(codec, mout->dig_out_nid);
2851         mout->dig_out_used = HDA_DIG_EXCLUSIVE;
2852         mutex_unlock(&codec->spdif_mutex);
2853         return 0;
2854 }
2855
2856 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
2857                                   struct hda_multi_out *mout,
2858                                   unsigned int stream_tag,
2859                                   unsigned int format,
2860                                   struct snd_pcm_substream *substream)
2861 {
2862         mutex_lock(&codec->spdif_mutex);
2863         setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
2864         mutex_unlock(&codec->spdif_mutex);
2865         return 0;
2866 }
2867
2868 /*
2869  * release the digital out
2870  */
2871 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
2872                                 struct hda_multi_out *mout)
2873 {
2874         mutex_lock(&codec->spdif_mutex);
2875         mout->dig_out_used = 0;
2876         mutex_unlock(&codec->spdif_mutex);
2877         return 0;
2878 }
2879
2880 /*
2881  * set up more restrictions for analog out
2882  */
2883 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
2884                                   struct hda_multi_out *mout,
2885                                   struct snd_pcm_substream *substream,
2886                                   struct hda_pcm_stream *hinfo)
2887 {
2888         struct snd_pcm_runtime *runtime = substream->runtime;
2889         runtime->hw.channels_max = mout->max_channels;
2890         if (mout->dig_out_nid) {
2891                 if (!mout->analog_rates) {
2892                         mout->analog_rates = hinfo->rates;
2893                         mout->analog_formats = hinfo->formats;
2894                         mout->analog_maxbps = hinfo->maxbps;
2895                 } else {
2896                         runtime->hw.rates = mout->analog_rates;
2897                         runtime->hw.formats = mout->analog_formats;
2898                         hinfo->maxbps = mout->analog_maxbps;
2899                 }
2900                 if (!mout->spdif_rates) {
2901                         snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
2902                                                     &mout->spdif_rates,
2903                                                     &mout->spdif_formats,
2904                                                     &mout->spdif_maxbps);
2905                 }
2906                 mutex_lock(&codec->spdif_mutex);
2907                 if (mout->share_spdif) {
2908                         runtime->hw.rates &= mout->spdif_rates;
2909                         runtime->hw.formats &= mout->spdif_formats;
2910                         if (mout->spdif_maxbps < hinfo->maxbps)
2911                                 hinfo->maxbps = mout->spdif_maxbps;
2912                 }
2913                 mutex_unlock(&codec->spdif_mutex);
2914         }
2915         return snd_pcm_hw_constraint_step(substream->runtime, 0,
2916                                           SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2917 }
2918
2919 /*
2920  * set up the i/o for analog out
2921  * when the digital out is available, copy the front out to digital out, too.
2922  */
2923 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
2924                                      struct hda_multi_out *mout,
2925                                      unsigned int stream_tag,
2926                                      unsigned int format,
2927                                      struct snd_pcm_substream *substream)
2928 {
2929         hda_nid_t *nids = mout->dac_nids;
2930         int chs = substream->runtime->channels;
2931         int i;
2932
2933         mutex_lock(&codec->spdif_mutex);
2934         if (mout->dig_out_nid && mout->share_spdif &&
2935             mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
2936                 if (chs == 2 &&
2937                     snd_hda_is_supported_format(codec, mout->dig_out_nid,
2938                                                 format) &&
2939                     !(codec->spdif_status & IEC958_AES0_NONAUDIO)) {
2940                         mout->dig_out_used = HDA_DIG_ANALOG_DUP;
2941                         setup_dig_out_stream(codec, mout->dig_out_nid,
2942                                              stream_tag, format);
2943                 } else {
2944                         mout->dig_out_used = 0;
2945                         cleanup_dig_out_stream(codec, mout->dig_out_nid);
2946                 }
2947         }
2948         mutex_unlock(&codec->spdif_mutex);
2949
2950         /* front */
2951         snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
2952                                    0, format);
2953         if (!mout->no_share_stream &&
2954             mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
2955                 /* headphone out will just decode front left/right (stereo) */
2956                 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
2957                                            0, format);
2958         /* extra outputs copied from front */
2959         for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2960                 if (!mout->no_share_stream && mout->extra_out_nid[i])
2961                         snd_hda_codec_setup_stream(codec,
2962                                                    mout->extra_out_nid[i],
2963                                                    stream_tag, 0, format);
2964
2965         /* surrounds */
2966         for (i = 1; i < mout->num_dacs; i++) {
2967                 if (chs >= (i + 1) * 2) /* independent out */
2968                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2969                                                    i * 2, format);
2970                 else if (!mout->no_share_stream) /* copy front */
2971                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2972                                                    0, format);
2973         }
2974         return 0;
2975 }
2976
2977 /*
2978  * clean up the setting for analog out
2979  */
2980 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
2981                                      struct hda_multi_out *mout)
2982 {
2983         hda_nid_t *nids = mout->dac_nids;
2984         int i;
2985
2986         for (i = 0; i < mout->num_dacs; i++)
2987                 snd_hda_codec_cleanup_stream(codec, nids[i]);
2988         if (mout->hp_nid)
2989                 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
2990         for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2991                 if (mout->extra_out_nid[i])
2992                         snd_hda_codec_cleanup_stream(codec,
2993                                                      mout->extra_out_nid[i]);
2994         mutex_lock(&codec->spdif_mutex);
2995         if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
2996                 cleanup_dig_out_stream(codec, mout->dig_out_nid);
2997                 mout->dig_out_used = 0;
2998         }
2999         mutex_unlock(&codec->spdif_mutex);
3000         return 0;
3001 }
3002
3003 /*
3004  * Helper for automatic pin configuration
3005  */
3006
3007 static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list)
3008 {
3009         for (; *list; list++)
3010                 if (*list == nid)
3011                         return 1;
3012         return 0;
3013 }
3014
3015
3016 /*
3017  * Sort an associated group of pins according to their sequence numbers.
3018  */
3019 static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences,
3020                                   int num_pins)
3021 {
3022         int i, j;
3023         short seq;
3024         hda_nid_t nid;
3025
3026         for (i = 0; i < num_pins; i++) {
3027                 for (j = i + 1; j < num_pins; j++) {
3028                         if (sequences[i] > sequences[j]) {
3029                                 seq = sequences[i];
3030                                 sequences[i] = sequences[j];
3031                                 sequences[j] = seq;
3032                                 nid = pins[i];
3033                                 pins[i] = pins[j];
3034                                 pins[j] = nid;
3035                         }
3036                 }
3037         }
3038 }
3039
3040
3041 /*
3042  * Parse all pin widgets and store the useful pin nids to cfg
3043  *
3044  * The number of line-outs or any primary output is stored in line_outs,
3045  * and the corresponding output pins are assigned to line_out_pins[],
3046  * in the order of front, rear, CLFE, side, ...
3047  *
3048  * If more extra outputs (speaker and headphone) are found, the pins are
3049  * assisnged to hp_pins[] and speaker_pins[], respectively.  If no line-out jack
3050  * is detected, one of speaker of HP pins is assigned as the primary
3051  * output, i.e. to line_out_pins[0].  So, line_outs is always positive
3052  * if any analog output exists.
3053  *
3054  * The analog input pins are assigned to input_pins array.
3055  * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
3056  * respectively.
3057  */
3058 int snd_hda_parse_pin_def_config(struct hda_codec *codec,
3059                                  struct auto_pin_cfg *cfg,
3060                                  hda_nid_t *ignore_nids)
3061 {
3062         hda_nid_t nid, end_nid;
3063         short seq, assoc_line_out, assoc_speaker;
3064         short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)];
3065         short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)];
3066         short sequences_hp[ARRAY_SIZE(cfg->hp_pins)];
3067
3068         memset(cfg, 0, sizeof(*cfg));
3069
3070         memset(sequences_line_out, 0, sizeof(sequences_line_out));
3071         memset(sequences_speaker, 0, sizeof(sequences_speaker));
3072         memset(sequences_hp, 0, sizeof(sequences_hp));
3073         assoc_line_out = assoc_speaker = 0;
3074
3075         end_nid = codec->start_nid + codec->num_nodes;
3076         for (nid = codec->start_nid; nid < end_nid; nid++) {
3077                 unsigned int wid_caps = get_wcaps(codec, nid);
3078                 unsigned int wid_type =
3079                         (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
3080                 unsigned int def_conf;
3081                 short assoc, loc;
3082
3083                 /* read all default configuration for pin complex */
3084                 if (wid_type != AC_WID_PIN)
3085                         continue;
3086                 /* ignore the given nids (e.g. pc-beep returns error) */
3087                 if (ignore_nids && is_in_nid_list(nid, ignore_nids))
3088                         continue;
3089
3090                 def_conf = snd_hda_codec_read(codec, nid, 0,
3091                                               AC_VERB_GET_CONFIG_DEFAULT, 0);
3092                 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
3093                         continue;
3094                 loc = get_defcfg_location(def_conf);
3095                 switch (get_defcfg_device(def_conf)) {
3096                 case AC_JACK_LINE_OUT:
3097                         seq = get_defcfg_sequence(def_conf);
3098                         assoc = get_defcfg_association(def_conf);
3099
3100                         if (!(wid_caps & AC_WCAP_STEREO))
3101                                 if (!cfg->mono_out_pin)
3102                                         cfg->mono_out_pin = nid;
3103                         if (!assoc)
3104                                 continue;
3105                         if (!assoc_line_out)
3106                                 assoc_line_out = assoc;
3107                         else if (assoc_line_out != assoc)
3108                                 continue;
3109                         if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
3110                                 continue;
3111                         cfg->line_out_pins[cfg->line_outs] = nid;
3112                         sequences_line_out[cfg->line_outs] = seq;
3113                         cfg->line_outs++;
3114                         break;
3115                 case AC_JACK_SPEAKER:
3116                         seq = get_defcfg_sequence(def_conf);
3117                         assoc = get_defcfg_association(def_conf);
3118                         if (! assoc)
3119                                 continue;
3120                         if (! assoc_speaker)
3121                                 assoc_speaker = assoc;
3122                         else if (assoc_speaker != assoc)
3123                                 continue;
3124                         if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
3125                                 continue;
3126                         cfg->speaker_pins[cfg->speaker_outs] = nid;
3127                         sequences_speaker[cfg->speaker_outs] = seq;
3128                         cfg->speaker_outs++;
3129                         break;
3130                 case AC_JACK_HP_OUT:
3131                         seq = get_defcfg_sequence(def_conf);
3132                         assoc = get_defcfg_association(def_conf);
3133                         if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
3134                                 continue;
3135                         cfg->hp_pins[cfg->hp_outs] = nid;
3136                         sequences_hp[cfg->hp_outs] = (assoc << 4) | seq;
3137                         cfg->hp_outs++;
3138                         break;
3139                 case AC_JACK_MIC_IN: {
3140                         int preferred, alt;
3141                         if (loc == AC_JACK_LOC_FRONT) {
3142                                 preferred = AUTO_PIN_FRONT_MIC;
3143                                 alt = AUTO_PIN_MIC;
3144                         } else {
3145                                 preferred = AUTO_PIN_MIC;
3146                                 alt = AUTO_PIN_FRONT_MIC;
3147                         }
3148                         if (!cfg->input_pins[preferred])
3149                                 cfg->input_pins[preferred] = nid;
3150                         else if (!cfg->input_pins[alt])
3151                                 cfg->input_pins[alt] = nid;
3152                         break;
3153                 }
3154                 case AC_JACK_LINE_IN:
3155                         if (loc == AC_JACK_LOC_FRONT)
3156                                 cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
3157                         else
3158                                 cfg->input_pins[AUTO_PIN_LINE] = nid;
3159                         break;
3160                 case AC_JACK_CD:
3161                         cfg->input_pins[AUTO_PIN_CD] = nid;
3162                         break;
3163                 case AC_JACK_AUX:
3164                         cfg->input_pins[AUTO_PIN_AUX] = nid;
3165                         break;
3166                 case AC_JACK_SPDIF_OUT:
3167                         cfg->dig_out_pin = nid;
3168                         break;
3169                 case AC_JACK_SPDIF_IN:
3170                         cfg->dig_in_pin = nid;
3171                         break;
3172                 }
3173         }
3174
3175         /* FIX-UP:
3176          * If no line-out is defined but multiple HPs are found,
3177          * some of them might be the real line-outs.
3178          */
3179         if (!cfg->line_outs && cfg->hp_outs > 1) {
3180                 int i = 0;
3181                 while (i < cfg->hp_outs) {
3182                         /* The real HPs should have the sequence 0x0f */
3183                         if ((sequences_hp[i] & 0x0f) == 0x0f) {
3184                                 i++;
3185                                 continue;
3186                         }
3187                         /* Move it to the line-out table */
3188                         cfg->line_out_pins[cfg->line_outs] = cfg->hp_pins[i];
3189                         sequences_line_out[cfg->line_outs] = sequences_hp[i];
3190                         cfg->line_outs++;
3191                         cfg->hp_outs--;
3192                         memmove(cfg->hp_pins + i, cfg->hp_pins + i + 1,
3193                                 sizeof(cfg->hp_pins[0]) * (cfg->hp_outs - i));
3194                         memmove(sequences_hp + i - 1, sequences_hp + i,
3195                                 sizeof(sequences_hp[0]) * (cfg->hp_outs - i));
3196                 }
3197         }
3198
3199         /* sort by sequence */
3200         sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out,
3201                               cfg->line_outs);
3202         sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker,
3203                               cfg->speaker_outs);
3204         sort_pins_by_sequence(cfg->hp_pins, sequences_hp,
3205                               cfg->hp_outs);
3206
3207         /* if we have only one mic, make it AUTO_PIN_MIC */
3208         if (!cfg->input_pins[AUTO_PIN_MIC] &&
3209             cfg->input_pins[AUTO_PIN_FRONT_MIC]) {
3210                 cfg->input_pins[AUTO_PIN_MIC] =
3211                         cfg->input_pins[AUTO_PIN_FRONT_MIC];
3212                 cfg->input_pins[AUTO_PIN_FRONT_MIC] = 0;
3213         }
3214         /* ditto for line-in */
3215         if (!cfg->input_pins[AUTO_PIN_LINE] &&
3216             cfg->input_pins[AUTO_PIN_FRONT_LINE]) {
3217                 cfg->input_pins[AUTO_PIN_LINE] =
3218                         cfg->input_pins[AUTO_PIN_FRONT_LINE];
3219                 cfg->input_pins[AUTO_PIN_FRONT_LINE] = 0;
3220         }
3221
3222         /*
3223          * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
3224          * as a primary output
3225          */
3226         if (!cfg->line_outs) {
3227                 if (cfg->speaker_outs) {
3228                         cfg->line_outs = cfg->speaker_outs;
3229                         memcpy(cfg->line_out_pins, cfg->speaker_pins,
3230                                sizeof(cfg->speaker_pins));
3231                         cfg->speaker_outs = 0;
3232                         memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
3233                         cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
3234                 } else if (cfg->hp_outs) {
3235                         cfg->line_outs = cfg->hp_outs;
3236                         memcpy(cfg->line_out_pins, cfg->hp_pins,
3237                                sizeof(cfg->hp_pins));
3238                         cfg->hp_outs = 0;
3239                         memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
3240                         cfg->line_out_type = AUTO_PIN_HP_OUT;
3241                 }
3242         }
3243
3244         /* Reorder the surround channels
3245          * ALSA sequence is front/surr/clfe/side
3246          * HDA sequence is:
3247          *    4-ch: front/surr  =>  OK as it is
3248          *    6-ch: front/clfe/surr
3249          *    8-ch: front/clfe/rear/side|fc
3250          */
3251         switch (cfg->line_outs) {
3252         case 3:
3253         case 4:
3254                 nid = cfg->line_out_pins[1];
3255                 cfg->line_out_pins[1] = cfg->line_out_pins[2];
3256                 cfg->line_out_pins[2] = nid;
3257                 break;
3258         }
3259
3260         /*
3261          * debug prints of the parsed results
3262          */
3263         snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3264                    cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
3265                    cfg->line_out_pins[2], cfg->line_out_pins[3],
3266                    cfg->line_out_pins[4]);
3267         snd_printd("   speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3268                    cfg->speaker_outs, cfg->speaker_pins[0],
3269                    cfg->speaker_pins[1], cfg->speaker_pins[2],
3270                    cfg->speaker_pins[3], cfg->speaker_pins[4]);
3271         snd_printd("   hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3272                    cfg->hp_outs, cfg->hp_pins[0],
3273                    cfg->hp_pins[1], cfg->hp_pins[2],
3274                    cfg->hp_pins[3], cfg->hp_pins[4]);
3275         snd_printd("   mono: mono_out=0x%x\n", cfg->mono_out_pin);
3276         snd_printd("   inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
3277                    " cd=0x%x, aux=0x%x\n",
3278                    cfg->input_pins[AUTO_PIN_MIC],
3279                    cfg->input_pins[AUTO_PIN_FRONT_MIC],
3280                    cfg->input_pins[AUTO_PIN_LINE],
3281                    cfg->input_pins[AUTO_PIN_FRONT_LINE],
3282                    cfg->input_pins[AUTO_PIN_CD],
3283                    cfg->input_pins[AUTO_PIN_AUX]);
3284
3285         return 0;
3286 }
3287
3288 /* labels for input pins */
3289 const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
3290         "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
3291 };
3292
3293
3294 #ifdef CONFIG_PM
3295 /*
3296  * power management
3297  */
3298
3299 /**
3300  * snd_hda_suspend - suspend the codecs
3301  * @bus: the HDA bus
3302  * @state: suspsend state
3303  *
3304  * Returns 0 if successful.
3305  */
3306 int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
3307 {
3308         struct hda_codec *codec;
3309
3310         list_for_each_entry(codec, &bus->codec_list, list) {
3311 #ifdef CONFIG_SND_HDA_POWER_SAVE
3312                 if (!codec->power_on)
3313                         continue;
3314 #endif
3315                 hda_call_codec_suspend(codec);
3316         }
3317         return 0;
3318 }
3319
3320 /**
3321  * snd_hda_resume - resume the codecs
3322  * @bus: the HDA bus
3323  * @state: resume state
3324  *
3325  * Returns 0 if successful.
3326  *
3327  * This fucntion is defined only when POWER_SAVE isn't set.
3328  * In the power-save mode, the codec is resumed dynamically.
3329  */
3330 int snd_hda_resume(struct hda_bus *bus)
3331 {
3332         struct hda_codec *codec;
3333
3334         list_for_each_entry(codec, &bus->codec_list, list) {
3335                 if (snd_hda_codec_needs_resume(codec))
3336                         hda_call_codec_resume(codec);
3337         }
3338         return 0;
3339 }
3340 #ifdef CONFIG_SND_HDA_POWER_SAVE
3341 int snd_hda_codecs_inuse(struct hda_bus *bus)
3342 {
3343         struct hda_codec *codec;
3344
3345         list_for_each_entry(codec, &bus->codec_list, list) {
3346                 if (snd_hda_codec_needs_resume(codec))
3347                         return 1;
3348         }
3349         return 0;
3350 }
3351 #endif
3352 #endif
3353
3354 /*
3355  * generic arrays
3356  */
3357
3358 /* get a new element from the given array
3359  * if it exceeds the pre-allocated array size, re-allocate the array
3360  */
3361 void *snd_array_new(struct snd_array *array)
3362 {
3363         if (array->used >= array->alloced) {
3364                 int num = array->alloced + array->alloc_align;
3365                 void *nlist = kcalloc(num + 1, array->elem_size, GFP_KERNEL);
3366                 if (!nlist)
3367                         return NULL;
3368                 if (array->list) {
3369                         memcpy(nlist, array->list,
3370                                array->elem_size * array->alloced);
3371                         kfree(array->list);
3372                 }
3373                 array->list = nlist;
3374                 array->alloced = num;
3375         }
3376         return array->list + (array->used++ * array->elem_size);
3377 }
3378
3379 /* free the given array elements */
3380 void snd_array_free(struct snd_array *array)
3381 {
3382         kfree(array->list);
3383         array->used = 0;
3384         array->alloced = 0;
3385         array->list = NULL;
3386 }