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
  35 /*
  36  * vendor / preset table
  37  */
  38
  39 struct hda_vendor_id {
  40         unsigned int id;
  41         const char *name;
  42 };
  43
  44 /* codec vendor labels */
  45 static struct hda_vendor_id hda_vendor_ids[] = {
  46         { 0x1002, "ATI" },
  47         { 0x1057, "Motorola" },
  48         { 0x1095, "Silicon Image" },
  49         { 0x10de, "Nvidia" },
  50         { 0x10ec, "Realtek" },
  51         { 0x1106, "VIA" },
  52         { 0x111d, "IDT" },
  53         { 0x11c1, "LSI" },
  54         { 0x11d4, "Analog Devices" },
  55         { 0x13f6, "C-Media" },
  56         { 0x14f1, "Conexant" },
  57         { 0x17e8, "Chrontel" },
  58         { 0x1854, "LG" },
  59         { 0x1aec, "Wolfson Microelectronics" },
  60         { 0x434d, "C-Media" },
  61         { 0x8384, "SigmaTel" },
  62         {} /* terminator */
  63 };
  64
  65 static DEFINE_MUTEX(preset_mutex);
  66 static LIST_HEAD(hda_preset_tables);
  67
  68 int snd_hda_add_codec_preset(struct hda_codec_preset_list *preset)
  69 {
  70         mutex_lock(&preset_mutex);
  71         list_add_tail(&preset->list, &hda_preset_tables);
  72         mutex_unlock(&preset_mutex);
  73         return 0;
  74 }
  75 EXPORT_SYMBOL_HDA(snd_hda_add_codec_preset);
  76
  77 int snd_hda_delete_codec_preset(struct hda_codec_preset_list *preset)
  78 {
  79         mutex_lock(&preset_mutex);
  80         list_del(&preset->list);
  81         mutex_unlock(&preset_mutex);
  82         return 0;
  83 }
  84 EXPORT_SYMBOL_HDA(snd_hda_delete_codec_preset);
  85
  86 #ifdef CONFIG_SND_HDA_POWER_SAVE
  87 static void hda_power_work(struct work_struct *work);
  88 static void hda_keep_power_on(struct hda_codec *codec);
  89 #else
  90 static inline void hda_keep_power_on(struct hda_codec *codec) {}
  91 #endif
  92
  93 const char *snd_hda_get_jack_location(u32 cfg)
  94 {
  95         static char *bases[7] = {
  96                 "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
  97         };
  98         static unsigned char specials_idx[] = {
  99                 0x07, 0x08,
 100                 0x17, 0x18, 0x19,
 101                 0x37, 0x38
 102         };
 103         static char *specials[] = {
 104                 "Rear Panel", "Drive Bar",
 105                 "Riser", "HDMI", "ATAPI",
 106                 "Mobile-In", "Mobile-Out"
 107         };
 108         int i;
 109         cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT;
 110         if ((cfg & 0x0f) < 7)
 111                 return bases[cfg & 0x0f];
 112         for (i = 0; i < ARRAY_SIZE(specials_idx); i++) {
 113                 if (cfg == specials_idx[i])
 114                         return specials[i];
 115         }
 116         return "UNKNOWN";
 117 }
 118 EXPORT_SYMBOL_HDA(snd_hda_get_jack_location);
 119
 120 const char *snd_hda_get_jack_connectivity(u32 cfg)
 121 {
 122         static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" };
 123
 124         return jack_locations[(cfg >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3];
 125 }
 126 EXPORT_SYMBOL_HDA(snd_hda_get_jack_connectivity);
 127
 128 const char *snd_hda_get_jack_type(u32 cfg)
 129 {
 130         static char *jack_types[16] = {
 131                 "Line Out", "Speaker", "HP Out", "CD",
 132                 "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
 133                 "Line In", "Aux", "Mic", "Telephony",
 134                 "SPDIF In", "Digitial In", "Reserved", "Other"
 135         };
 136
 137         return jack_types[(cfg & AC_DEFCFG_DEVICE)
 138                                 >> AC_DEFCFG_DEVICE_SHIFT];
 139 }
 140 EXPORT_SYMBOL_HDA(snd_hda_get_jack_type);
 141
 142 /*
 143  * Compose a 32bit command word to be sent to the HD-audio controller
 144  */
 145 static inline unsigned int
 146 make_codec_cmd(struct hda_codec *codec, hda_nid_t nid, int direct,
 147                unsigned int verb, unsigned int parm)
 148 {
 149         u32 val;
 150
 151         val = (u32)(codec->addr & 0x0f) << 28;
 152         val |= (u32)direct << 27;
 153         val |= (u32)nid << 20;
 154         val |= verb << 8;
 155         val |= parm;
 156         return val;
 157 }
 158
 159 /**
 160  * snd_hda_codec_read - send a command and get the response
 161  * @codec: the HDA codec
 162  * @nid: NID to send the command
 163  * @direct: direct flag
 164  * @verb: the verb to send
 165  * @parm: the parameter for the verb
 166  *
 167  * Send a single command and read the corresponding response.
 168  *
 169  * Returns the obtained response value, or -1 for an error.
 170  */
 171 unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
 172                                 int direct,
 173                                 unsigned int verb, unsigned int parm)
 174 {
 175         struct hda_bus *bus = codec->bus;
 176         unsigned int res;
 177
 178         res = make_codec_cmd(codec, nid, direct, verb, parm);
 179         snd_hda_power_up(codec);
 180         mutex_lock(&bus->cmd_mutex);
 181         if (!bus->ops.command(bus, res))
 182                 res = bus->ops.get_response(bus);
 183         else
 184                 res = (unsigned int)-1;
 185         mutex_unlock(&bus->cmd_mutex);
 186         snd_hda_power_down(codec);
 187         return res;
 188 }
 189 EXPORT_SYMBOL_HDA(snd_hda_codec_read);
 190
 191 /**
 192  * snd_hda_codec_write - send a single command without waiting for response
 193  * @codec: the HDA codec
 194  * @nid: NID to send the command
 195  * @direct: direct flag
 196  * @verb: the verb to send
 197  * @parm: the parameter for the verb
 198  *
 199  * Send a single command without waiting for response.
 200  *
 201  * Returns 0 if successful, or a negative error code.
 202  */
 203 int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
 204                          unsigned int verb, unsigned int parm)
 205 {
 206         struct hda_bus *bus = codec->bus;
 207         unsigned int res;
 208         int err;
 209
 210         res = make_codec_cmd(codec, nid, direct, verb, parm);
 211         snd_hda_power_up(codec);
 212         mutex_lock(&bus->cmd_mutex);
 213         err = bus->ops.command(bus, res);
 214         mutex_unlock(&bus->cmd_mutex);
 215         snd_hda_power_down(codec);
 216         return err;
 217 }
 218 EXPORT_SYMBOL_HDA(snd_hda_codec_write);
 219
 220 /**
 221  * snd_hda_sequence_write - sequence writes
 222  * @codec: the HDA codec
 223  * @seq: VERB array to send
 224  *
 225  * Send the commands sequentially from the given array.
 226  * The array must be terminated with NID=0.
 227  */
 228 void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
 229 {
 230         for (; seq->nid; seq++)
 231                 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
 232 }
 233 EXPORT_SYMBOL_HDA(snd_hda_sequence_write);
 234
 235 /**
 236  * snd_hda_get_sub_nodes - get the range of sub nodes
 237  * @codec: the HDA codec
 238  * @nid: NID to parse
 239  * @start_id: the pointer to store the start NID
 240  *
 241  * Parse the NID and store the start NID of its sub-nodes.
 242  * Returns the number of sub-nodes.
 243  */
 244 int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
 245                           hda_nid_t *start_id)
 246 {
 247         unsigned int parm;
 248
 249         parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
 250         if (parm == -1)
 251                 return 0;
 252         *start_id = (parm >> 16) & 0x7fff;
 253         return (int)(parm & 0x7fff);
 254 }
 255 EXPORT_SYMBOL_HDA(snd_hda_get_sub_nodes);
 256
 257 /**
 258  * snd_hda_get_connections - get connection list
 259  * @codec: the HDA codec
 260  * @nid: NID to parse
 261  * @conn_list: connection list array
 262  * @max_conns: max. number of connections to store
 263  *
 264  * Parses the connection list of the given widget and stores the list
 265  * of NIDs.
 266  *
 267  * Returns the number of connections, or a negative error code.
 268  */
 269 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
 270                             hda_nid_t *conn_list, int max_conns)
 271 {
 272         unsigned int parm;
 273         int i, conn_len, conns;
 274         unsigned int shift, num_elems, mask;
 275         hda_nid_t prev_nid;
 276
 277         if (snd_BUG_ON(!conn_list || max_conns <= 0))
 278                 return -EINVAL;
 279
 280         parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN);
 281         if (parm & AC_CLIST_LONG) {
 282                 /* long form */
 283                 shift = 16;
 284                 num_elems = 2;
 285         } else {
 286                 /* short form */
 287                 shift = 8;
 288                 num_elems = 4;
 289         }
 290         conn_len = parm & AC_CLIST_LENGTH;
 291         mask = (1 << (shift-1)) - 1;
 292
 293         if (!conn_len)
 294                 return 0; /* no connection */
 295
 296         if (conn_len == 1) {
 297                 /* single connection */
 298                 parm = snd_hda_codec_read(codec, nid, 0,
 299                                           AC_VERB_GET_CONNECT_LIST, 0);
 300                 conn_list[0] = parm & mask;
 301                 return 1;
 302         }
 303
 304         /* multi connection */
 305         conns = 0;
 306         prev_nid = 0;
 307         for (i = 0; i < conn_len; i++) {
 308                 int range_val;
 309                 hda_nid_t val, n;
 310
 311                 if (i % num_elems == 0)
 312                         parm = snd_hda_codec_read(codec, nid, 0,
 313                                                   AC_VERB_GET_CONNECT_LIST, i);
 314                 range_val = !!(parm & (1 << (shift-1))); /* ranges */
 315                 val = parm & mask;
 316                 parm >>= shift;
 317                 if (range_val) {
 318                         /* ranges between the previous and this one */
 319                         if (!prev_nid || prev_nid >= val) {
 320                                 snd_printk(KERN_WARNING "hda_codec: "
 321                                            "invalid dep_range_val %x:%x\n",
 322                                            prev_nid, val);
 323                                 continue;
 324                         }
 325                         for (n = prev_nid + 1; n <= val; n++) {
 326                                 if (conns >= max_conns) {
 327                                         snd_printk(KERN_ERR
 328                                                    "Too many connections\n");
 329                                         return -EINVAL;
 330                                 }
 331                                 conn_list[conns++] = n;
 332                         }
 333                 } else {
 334                         if (conns >= max_conns) {
 335                                 snd_printk(KERN_ERR "Too many connections\n");
 336                                 return -EINVAL;
 337                         }
 338                         conn_list[conns++] = val;
 339                 }
 340                 prev_nid = val;
 341         }
 342         return conns;
 343 }
 344 EXPORT_SYMBOL_HDA(snd_hda_get_connections);
 345
 346
 347 /**
 348  * snd_hda_queue_unsol_event - add an unsolicited event to queue
 349  * @bus: the BUS
 350  * @res: unsolicited event (lower 32bit of RIRB entry)
 351  * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
 352  *
 353  * Adds the given event to the queue.  The events are processed in
 354  * the workqueue asynchronously.  Call this function in the interrupt
 355  * hanlder when RIRB receives an unsolicited event.
 356  *
 357  * Returns 0 if successful, or a negative error code.
 358  */
 359 int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
 360 {
 361         struct hda_bus_unsolicited *unsol;
 362         unsigned int wp;
 363
 364         unsol = bus->unsol;
 365         if (!unsol)
 366                 return 0;
 367
 368         wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
 369         unsol->wp = wp;
 370
 371         wp <<= 1;
 372         unsol->queue[wp] = res;
 373         unsol->queue[wp + 1] = res_ex;
 374
 375         schedule_work(&unsol->work);
 376
 377         return 0;
 378 }
 379 EXPORT_SYMBOL_HDA(snd_hda_queue_unsol_event);
 380
 381 /*
 382  * process queued unsolicited events
 383  */
 384 static void process_unsol_events(struct work_struct *work)
 385 {
 386         struct hda_bus_unsolicited *unsol =
 387                 container_of(work, struct hda_bus_unsolicited, work);
 388         struct hda_bus *bus = unsol->bus;
 389         struct hda_codec *codec;
 390         unsigned int rp, caddr, res;
 391
 392         while (unsol->rp != unsol->wp) {
 393                 rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE;
 394                 unsol->rp = rp;
 395                 rp <<= 1;
 396                 res = unsol->queue[rp];
 397                 caddr = unsol->queue[rp + 1];
 398                 if (!(caddr & (1 << 4))) /* no unsolicited event? */
 399                         continue;
 400                 codec = bus->caddr_tbl[caddr & 0x0f];
 401                 if (codec && codec->patch_ops.unsol_event)
 402                         codec->patch_ops.unsol_event(codec, res);
 403         }
 404 }
 405
 406 /*
 407  * initialize unsolicited queue
 408  */
 409 static int init_unsol_queue(struct hda_bus *bus)
 410 {
 411         struct hda_bus_unsolicited *unsol;
 412
 413         if (bus->unsol) /* already initialized */
 414                 return 0;
 415
 416         unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
 417         if (!unsol) {
 418                 snd_printk(KERN_ERR "hda_codec: "
 419                            "can't allocate unsolicited queue\n");
 420                 return -ENOMEM;
 421         }
 422         INIT_WORK(&unsol->work, process_unsol_events);
 423         unsol->bus = bus;
 424         bus->unsol = unsol;
 425         return 0;
 426 }
 427
 428 /*
 429  * destructor
 430  */
 431 static void snd_hda_codec_free(struct hda_codec *codec);
 432
 433 static int snd_hda_bus_free(struct hda_bus *bus)
 434 {
 435         struct hda_codec *codec, *n;
 436
 437         if (!bus)
 438                 return 0;
 439         if (bus->unsol) {
 440                 flush_scheduled_work();
 441                 kfree(bus->unsol);
 442         }
 443         list_for_each_entry_safe(codec, n, &bus->codec_list, list) {
 444                 snd_hda_codec_free(codec);
 445         }
 446         if (bus->ops.private_free)
 447                 bus->ops.private_free(bus);
 448         kfree(bus);
 449         return 0;
 450 }
 451
 452 static int snd_hda_bus_dev_free(struct snd_device *device)
 453 {
 454         struct hda_bus *bus = device->device_data;
 455         bus->shutdown = 1;
 456         return snd_hda_bus_free(bus);
 457 }
 458
 459 #ifdef CONFIG_SND_HDA_HWDEP
 460 static int snd_hda_bus_dev_register(struct snd_device *device)
 461 {
 462         struct hda_bus *bus = device->device_data;
 463         struct hda_codec *codec;
 464         list_for_each_entry(codec, &bus->codec_list, list) {
 465                 snd_hda_hwdep_add_sysfs(codec);
 466         }
 467         return 0;
 468 }
 469 #else
 470 #define snd_hda_bus_dev_register        NULL
 471 #endif
 472
 473 /**
 474  * snd_hda_bus_new - create a HDA bus
 475  * @card: the card entry
 476  * @temp: the template for hda_bus information
 477  * @busp: the pointer to store the created bus instance
 478  *
 479  * Returns 0 if successful, or a negative error code.
 480  */
 481 int /*__devinit*/ snd_hda_bus_new(struct snd_card *card,
 482                               const struct hda_bus_template *temp,
 483                               struct hda_bus **busp)
 484 {
 485         struct hda_bus *bus;
 486         int err;
 487         static struct snd_device_ops dev_ops = {
 488                 .dev_register = snd_hda_bus_dev_register,
 489                 .dev_free = snd_hda_bus_dev_free,
 490         };
 491
 492         if (snd_BUG_ON(!temp))
 493                 return -EINVAL;
 494         if (snd_BUG_ON(!temp->ops.command || !temp->ops.get_response))
 495                 return -EINVAL;
 496
 497         if (busp)
 498                 *busp = NULL;
 499
 500         bus = kzalloc(sizeof(*bus), GFP_KERNEL);
 501         if (bus == NULL) {
 502                 snd_printk(KERN_ERR "can't allocate struct hda_bus\n");
 503                 return -ENOMEM;
 504         }
 505
 506         bus->card = card;
 507         bus->private_data = temp->private_data;
 508         bus->pci = temp->pci;
 509         bus->modelname = temp->modelname;
 510         bus->power_save = temp->power_save;
 511         bus->ops = temp->ops;
 512
 513         mutex_init(&bus->cmd_mutex);
 514         INIT_LIST_HEAD(&bus->codec_list);
 515
 516         err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
 517         if (err < 0) {
 518                 snd_hda_bus_free(bus);
 519                 return err;
 520         }
 521         if (busp)
 522                 *busp = bus;
 523         return 0;
 524 }
 525 EXPORT_SYMBOL_HDA(snd_hda_bus_new);
 526
 527 #ifdef CONFIG_SND_HDA_GENERIC
 528 #define is_generic_config(codec) \
 529         (codec->modelname && !strcmp(codec->modelname, "generic"))
 530 #else
 531 #define is_generic_config(codec)        0
 532 #endif
 533
 534 #ifdef MODULE
 535 #define HDA_MODREQ_MAX_COUNT    2       /* two request_modules()'s */
 536 #else
 537 #define HDA_MODREQ_MAX_COUNT    0       /* all presets are statically linked */
 538 #endif
 539
 540 /*
 541  * find a matching codec preset
 542  */
 543 static const struct hda_codec_preset *
 544 find_codec_preset(struct hda_codec *codec)
 545 {
 546         struct hda_codec_preset_list *tbl;
 547         const struct hda_codec_preset *preset;
 548         int mod_requested = 0;
 549
 550         if (is_generic_config(codec))
 551                 return NULL; /* use the generic parser */
 552
 553  again:
 554         mutex_lock(&preset_mutex);
 555         list_for_each_entry(tbl, &hda_preset_tables, list) {
 556                 if (!try_module_get(tbl->owner)) {
 557                         snd_printk(KERN_ERR "hda_codec: cannot module_get\n");
 558                         continue;
 559                 }
 560                 for (preset = tbl->preset; preset->id; preset++) {
 561                         u32 mask = preset->mask;
 562                         if (preset->afg && preset->afg != codec->afg)
 563                                 continue;
 564                         if (preset->mfg && preset->mfg != codec->mfg)
 565                                 continue;
 566                         if (!mask)
 567                                 mask = ~0;
 568                         if (preset->id == (codec->vendor_id & mask) &&
 569                             (!preset->rev ||
 570                              preset->rev == codec->revision_id)) {
 571                                 mutex_unlock(&preset_mutex);
 572                                 codec->owner = tbl->owner;
 573                                 return preset;
 574                         }
 575                 }
 576                 module_put(tbl->owner);
 577         }
 578         mutex_unlock(&preset_mutex);
 579
 580         if (mod_requested < HDA_MODREQ_MAX_COUNT) {
 581                 char name[32];
 582                 if (!mod_requested)
 583                         snprintf(name, sizeof(name), "snd-hda-codec-id:%08x",
 584                                  codec->vendor_id);
 585                 else
 586                         snprintf(name, sizeof(name), "snd-hda-codec-id:%04x*",
 587                                  (codec->vendor_id >> 16) & 0xffff);
 588                 request_module(name);
 589                 mod_requested++;
 590                 goto again;
 591         }
 592         return NULL;
 593 }
 594
 595 /*
 596  * get_codec_name - store the codec name
 597  */
 598 static int get_codec_name(struct hda_codec *codec)
 599 {
 600         const struct hda_vendor_id *c;
 601         const char *vendor = NULL;
 602         u16 vendor_id = codec->vendor_id >> 16;
 603         char tmp[16], name[32];
 604
 605         for (c = hda_vendor_ids; c->id; c++) {
 606                 if (c->id == vendor_id) {
 607                         vendor = c->name;
 608                         break;
 609                 }
 610         }
 611         if (!vendor) {
 612                 sprintf(tmp, "Generic %04x", vendor_id);
 613                 vendor = tmp;
 614         }
 615         if (codec->preset && codec->preset->name)
 616                 snprintf(name, sizeof(name), "%s %s", vendor,
 617                          codec->preset->name);
 618         else
 619                 snprintf(name, sizeof(name), "%s ID %x", vendor,
 620                          codec->vendor_id & 0xffff);
 621         codec->name = kstrdup(name, GFP_KERNEL);
 622         if (!codec->name)
 623                 return -ENOMEM;
 624         return 0;
 625 }
 626
 627 /*
 628  * look for an AFG and MFG nodes
 629  */
 630 static void /*__devinit*/ setup_fg_nodes(struct hda_codec *codec)
 631 {
 632         int i, total_nodes;
 633         hda_nid_t nid;
 634
 635         total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
 636         for (i = 0; i < total_nodes; i++, nid++) {
 637                 unsigned int func;
 638                 func = snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE);
 639                 switch (func & 0xff) {
 640                 case AC_GRP_AUDIO_FUNCTION:
 641                         codec->afg = nid;
 642                         break;
 643                 case AC_GRP_MODEM_FUNCTION:
 644                         codec->mfg = nid;
 645                         break;
 646                 default:
 647                         break;
 648                 }
 649         }
 650 }
 651
 652 /*
 653  * read widget caps for each widget and store in cache
 654  */
 655 static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
 656 {
 657         int i;
 658         hda_nid_t nid;
 659
 660         codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node,
 661                                                  &codec->start_nid);
 662         codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL);
 663         if (!codec->wcaps)
 664                 return -ENOMEM;
 665         nid = codec->start_nid;
 666         for (i = 0; i < codec->num_nodes; i++, nid++)
 667                 codec->wcaps[i] = snd_hda_param_read(codec, nid,
 668                                                      AC_PAR_AUDIO_WIDGET_CAP);
 669         return 0;
 670 }
 671
 672
 673 static void init_hda_cache(struct hda_cache_rec *cache,
 674                            unsigned int record_size);
 675 static void free_hda_cache(struct hda_cache_rec *cache);
 676
 677 /*
 678  * codec destructor
 679  */
 680 static void snd_hda_codec_free(struct hda_codec *codec)
 681 {
 682         if (!codec)
 683                 return;
 684 #ifdef CONFIG_SND_HDA_POWER_SAVE
 685         cancel_delayed_work(&codec->power_work);
 686         flush_scheduled_work();
 687 #endif
 688         list_del(&codec->list);
 689         snd_array_free(&codec->mixers);
 690         codec->bus->caddr_tbl[codec->addr] = NULL;
 691         if (codec->patch_ops.free)
 692                 codec->patch_ops.free(codec);
 693         module_put(codec->owner);
 694         free_hda_cache(&codec->amp_cache);
 695         free_hda_cache(&codec->cmd_cache);
 696         kfree(codec->name);
 697         kfree(codec->modelname);
 698         kfree(codec->wcaps);
 699         kfree(codec);
 700 }
 701
 702 /**
 703  * snd_hda_codec_new - create a HDA codec
 704  * @bus: the bus to assign
 705  * @codec_addr: the codec address
 706  * @codecp: the pointer to store the generated codec
 707  *
 708  * Returns 0 if successful, or a negative error code.
 709  */
 710 int /*__devinit*/ snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
 711                                 struct hda_codec **codecp)
 712 {
 713         struct hda_codec *codec;
 714         char component[31];
 715         int err;
 716
 717         if (snd_BUG_ON(!bus))
 718                 return -EINVAL;
 719         if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
 720                 return -EINVAL;
 721
 722         if (bus->caddr_tbl[codec_addr]) {
 723                 snd_printk(KERN_ERR "hda_codec: "
 724                            "address 0x%x is already occupied\n", codec_addr);
 725                 return -EBUSY;
 726         }
 727
 728         codec = kzalloc(sizeof(*codec), GFP_KERNEL);
 729         if (codec == NULL) {
 730                 snd_printk(KERN_ERR "can't allocate struct hda_codec\n");
 731                 return -ENOMEM;
 732         }
 733
 734         codec->bus = bus;
 735         codec->addr = codec_addr;
 736         mutex_init(&codec->spdif_mutex);
 737         init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
 738         init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
 739         snd_array_init(&codec->mixers, sizeof(struct snd_kcontrol *), 32);
 740         if (codec->bus->modelname) {
 741                 codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL);
 742                 if (!codec->modelname) {
 743                         snd_hda_codec_free(codec);
 744                         return -ENODEV;
 745                 }
 746         }
 747
 748 #ifdef CONFIG_SND_HDA_POWER_SAVE
 749         INIT_DELAYED_WORK(&codec->power_work, hda_power_work);
 750         /* snd_hda_codec_new() marks the codec as power-up, and leave it as is.
 751          * the caller has to power down appropriatley after initialization
 752          * phase.
 753          */
 754         hda_keep_power_on(codec);
 755 #endif
 756
 757         list_add_tail(&codec->list, &bus->codec_list);
 758         bus->caddr_tbl[codec_addr] = codec;
 759
 760         codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 761                                               AC_PAR_VENDOR_ID);
 762         if (codec->vendor_id == -1)
 763                 /* read again, hopefully the access method was corrected
 764                  * in the last read...
 765                  */
 766                 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 767                                                       AC_PAR_VENDOR_ID);
 768         codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 769                                                  AC_PAR_SUBSYSTEM_ID);
 770         codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT,
 771                                                 AC_PAR_REV_ID);
 772
 773         setup_fg_nodes(codec);
 774         if (!codec->afg && !codec->mfg) {
 775                 snd_printdd("hda_codec: no AFG or MFG node found\n");
 776                 snd_hda_codec_free(codec);
 777                 return -ENODEV;
 778         }
 779
 780         if (read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg) < 0) {
 781                 snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
 782                 snd_hda_codec_free(codec);
 783                 return -ENOMEM;
 784         }
 785
 786         if (!codec->subsystem_id) {
 787                 hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
 788                 codec->subsystem_id =
 789                         snd_hda_codec_read(codec, nid, 0,
 790                                            AC_VERB_GET_SUBSYSTEM_ID, 0);
 791         }
 792         if (bus->modelname)
 793                 codec->modelname = kstrdup(bus->modelname, GFP_KERNEL);
 794
 795         err = snd_hda_codec_configure(codec);
 796         if (err < 0) {
 797                 snd_hda_codec_free(codec);
 798                 return err;
 799         }
 800         snd_hda_codec_proc_new(codec);
 801
 802         snd_hda_create_hwdep(codec);
 803
 804         sprintf(component, "HDA:%08x,%08x,%08x", codec->vendor_id,
 805                 codec->subsystem_id, codec->revision_id);
 806         snd_component_add(codec->bus->card, component);
 807
 808         if (codecp)
 809                 *codecp = codec;
 810         return 0;
 811 }
 812 EXPORT_SYMBOL_HDA(snd_hda_codec_new);
 813
 814 int snd_hda_codec_configure(struct hda_codec *codec)
 815 {
 816         int err;
 817
 818         codec->preset = find_codec_preset(codec);
 819         if (!codec->name) {
 820                 err = get_codec_name(codec);
 821                 if (err < 0)
 822                         return err;
 823         }
 824         /* audio codec should override the mixer name */
 825         if (codec->afg || !*codec->bus->card->mixername)
 826                 strlcpy(codec->bus->card->mixername, codec->name,
 827                         sizeof(codec->bus->card->mixername));
 828
 829         if (is_generic_config(codec)) {
 830                 err = snd_hda_parse_generic_codec(codec);
 831                 goto patched;
 832         }
 833         if (codec->preset && codec->preset->patch) {
 834                 err = codec->preset->patch(codec);
 835                 goto patched;
 836         }
 837
 838         /* call the default parser */
 839         err = snd_hda_parse_generic_codec(codec);
 840         if (err < 0)
 841                 printk(KERN_ERR "hda-codec: No codec parser is available\n");
 842
 843  patched:
 844         if (!err && codec->patch_ops.unsol_event)
 845                 err = init_unsol_queue(codec->bus);
 846         return err;
 847 }
 848
 849 /**
 850  * snd_hda_codec_setup_stream - set up the codec for streaming
 851  * @codec: the CODEC to set up
 852  * @nid: the NID to set up
 853  * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
 854  * @channel_id: channel id to pass, zero based.
 855  * @format: stream format.
 856  */
 857 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
 858                                 u32 stream_tag,
 859                                 int channel_id, int format)
 860 {
 861         if (!nid)
 862                 return;
 863
 864         snd_printdd("hda_codec_setup_stream: "
 865                     "NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
 866                     nid, stream_tag, channel_id, format);
 867         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID,
 868                             (stream_tag << 4) | channel_id);
 869         msleep(1);
 870         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
 871 }
 872 EXPORT_SYMBOL_HDA(snd_hda_codec_setup_stream);
 873
 874 void snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid)
 875 {
 876         if (!nid)
 877                 return;
 878
 879         snd_printdd("hda_codec_cleanup_stream: NID=0x%x\n", nid);
 880         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
 881 #if 0 /* keep the format */
 882         msleep(1);
 883         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0);
 884 #endif
 885 }
 886 EXPORT_SYMBOL_HDA(snd_hda_codec_cleanup_stream);
 887
 888 /*
 889  * amp access functions
 890  */
 891
 892 /* FIXME: more better hash key? */
 893 #define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
 894 #define INFO_AMP_CAPS   (1<<0)
 895 #define INFO_AMP_VOL(ch)        (1 << (1 + (ch)))
 896
 897 /* initialize the hash table */
 898 static void /*__devinit*/ init_hda_cache(struct hda_cache_rec *cache,
 899                                      unsigned int record_size)
 900 {
 901         memset(cache, 0, sizeof(*cache));
 902         memset(cache->hash, 0xff, sizeof(cache->hash));
 903         snd_array_init(&cache->buf, record_size, 64);
 904 }
 905
 906 static void free_hda_cache(struct hda_cache_rec *cache)
 907 {
 908         snd_array_free(&cache->buf);
 909 }
 910
 911 /* query the hash.  allocate an entry if not found. */
 912 static struct hda_cache_head  *get_alloc_hash(struct hda_cache_rec *cache,
 913                                               u32 key)
 914 {
 915         u16 idx = key % (u16)ARRAY_SIZE(cache->hash);
 916         u16 cur = cache->hash[idx];
 917         struct hda_cache_head *info;
 918
 919         while (cur != 0xffff) {
 920                 info = snd_array_elem(&cache->buf, cur);
 921                 if (info->key == key)
 922                         return info;
 923                 cur = info->next;
 924         }
 925
 926         /* add a new hash entry */
 927         info = snd_array_new(&cache->buf);
 928         if (!info)
 929                 return NULL;
 930         cur = snd_array_index(&cache->buf, info);
 931         info->key = key;
 932         info->val = 0;
 933         info->next = cache->hash[idx];
 934         cache->hash[idx] = cur;
 935
 936         return info;
 937 }
 938
 939 /* query and allocate an amp hash entry */
 940 static inline struct hda_amp_info *
 941 get_alloc_amp_hash(struct hda_codec *codec, u32 key)
 942 {
 943         return (struct hda_amp_info *)get_alloc_hash(&codec->amp_cache, key);
 944 }
 945
 946 /*
 947  * query AMP capabilities for the given widget and direction
 948  */
 949 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
 950 {
 951         struct hda_amp_info *info;
 952
 953         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0));
 954         if (!info)
 955                 return 0;
 956         if (!(info->head.val & INFO_AMP_CAPS)) {
 957                 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
 958                         nid = codec->afg;
 959                 info->amp_caps = snd_hda_param_read(codec, nid,
 960                                                     direction == HDA_OUTPUT ?
 961                                                     AC_PAR_AMP_OUT_CAP :
 962                                                     AC_PAR_AMP_IN_CAP);
 963                 if (info->amp_caps)
 964                         info->head.val |= INFO_AMP_CAPS;
 965         }
 966         return info->amp_caps;
 967 }
 968 EXPORT_SYMBOL_HDA(query_amp_caps);
 969
 970 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
 971                               unsigned int caps)
 972 {
 973         struct hda_amp_info *info;
 974
 975         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, dir, 0));
 976         if (!info)
 977                 return -EINVAL;
 978         info->amp_caps = caps;
 979         info->head.val |= INFO_AMP_CAPS;
 980         return 0;
 981 }
 982 EXPORT_SYMBOL_HDA(snd_hda_override_amp_caps);
 983
 984 /*
 985  * read the current volume to info
 986  * if the cache exists, read the cache value.
 987  */
 988 static unsigned int get_vol_mute(struct hda_codec *codec,
 989                                  struct hda_amp_info *info, hda_nid_t nid,
 990                                  int ch, int direction, int index)
 991 {
 992         u32 val, parm;
 993
 994         if (info->head.val & INFO_AMP_VOL(ch))
 995                 return info->vol[ch];
 996
 997         parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
 998         parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
 999         parm |= index;
1000         val = snd_hda_codec_read(codec, nid, 0,
1001                                  AC_VERB_GET_AMP_GAIN_MUTE, parm);
1002         info->vol[ch] = val & 0xff;
1003         info->head.val |= INFO_AMP_VOL(ch);
1004         return info->vol[ch];
1005 }
1006
1007 /*
1008  * write the current volume in info to the h/w and update the cache
1009  */
1010 static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
1011                          hda_nid_t nid, int ch, int direction, int index,
1012                          int val)
1013 {
1014         u32 parm;
1015
1016         parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
1017         parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
1018         parm |= index << AC_AMP_SET_INDEX_SHIFT;
1019         parm |= val;
1020         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
1021         info->vol[ch] = val;
1022 }
1023
1024 /*
1025  * read AMP value.  The volume is between 0 to 0x7f, 0x80 = mute bit.
1026  */
1027 int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
1028                            int direction, int index)
1029 {
1030         struct hda_amp_info *info;
1031         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
1032         if (!info)
1033                 return 0;
1034         return get_vol_mute(codec, info, nid, ch, direction, index);
1035 }
1036 EXPORT_SYMBOL_HDA(snd_hda_codec_amp_read);
1037
1038 /*
1039  * update the AMP value, mask = bit mask to set, val = the value
1040  */
1041 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
1042                              int direction, int idx, int mask, int val)
1043 {
1044         struct hda_amp_info *info;
1045
1046         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx));
1047         if (!info)
1048                 return 0;
1049         val &= mask;
1050         val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask;
1051         if (info->vol[ch] == val)
1052                 return 0;
1053         put_vol_mute(codec, info, nid, ch, direction, idx, val);
1054         return 1;
1055 }
1056 EXPORT_SYMBOL_HDA(snd_hda_codec_amp_update);
1057
1058 /*
1059  * update the AMP stereo with the same mask and value
1060  */
1061 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
1062                              int direction, int idx, int mask, int val)
1063 {
1064         int ch, ret = 0;
1065         for (ch = 0; ch < 2; ch++)
1066                 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
1067                                                 idx, mask, val);
1068         return ret;
1069 }
1070 EXPORT_SYMBOL_HDA(snd_hda_codec_amp_stereo);
1071
1072 #ifdef SND_HDA_NEEDS_RESUME
1073 /* resume the all amp commands from the cache */
1074 void snd_hda_codec_resume_amp(struct hda_codec *codec)
1075 {
1076         struct hda_amp_info *buffer = codec->amp_cache.buf.list;
1077         int i;
1078
1079         for (i = 0; i < codec->amp_cache.buf.used; i++, buffer++) {
1080                 u32 key = buffer->head.key;
1081                 hda_nid_t nid;
1082                 unsigned int idx, dir, ch;
1083                 if (!key)
1084                         continue;
1085                 nid = key & 0xff;
1086                 idx = (key >> 16) & 0xff;
1087                 dir = (key >> 24) & 0xff;
1088                 for (ch = 0; ch < 2; ch++) {
1089                         if (!(buffer->head.val & INFO_AMP_VOL(ch)))
1090                                 continue;
1091                         put_vol_mute(codec, buffer, nid, ch, dir, idx,
1092                                      buffer->vol[ch]);
1093                 }
1094         }
1095 }
1096 EXPORT_SYMBOL_HDA(snd_hda_codec_resume_amp);
1097 #endif /* SND_HDA_NEEDS_RESUME */
1098
1099 /* volume */
1100 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
1101                                   struct snd_ctl_elem_info *uinfo)
1102 {
1103         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1104         u16 nid = get_amp_nid(kcontrol);
1105         u8 chs = get_amp_channels(kcontrol);
1106         int dir = get_amp_direction(kcontrol);
1107         u32 caps;
1108
1109         caps = query_amp_caps(codec, nid, dir);
1110         /* num steps */
1111         caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1112         if (!caps) {
1113                 printk(KERN_WARNING "hda_codec: "
1114                        "num_steps = 0 for NID=0x%x (ctl = %s)\n", nid,
1115                        kcontrol->id.name);
1116                 return -EINVAL;
1117         }
1118         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1119         uinfo->count = chs == 3 ? 2 : 1;
1120         uinfo->value.integer.min = 0;
1121         uinfo->value.integer.max = caps;
1122         return 0;
1123 }
1124 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_info);
1125
1126 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
1127                                  struct snd_ctl_elem_value *ucontrol)
1128 {
1129         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1130         hda_nid_t nid = get_amp_nid(kcontrol);
1131         int chs = get_amp_channels(kcontrol);
1132         int dir = get_amp_direction(kcontrol);
1133         int idx = get_amp_index(kcontrol);
1134         long *valp = ucontrol->value.integer.value;
1135
1136         if (chs & 1)
1137                 *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx)
1138                         & HDA_AMP_VOLMASK;
1139         if (chs & 2)
1140                 *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx)
1141                         & HDA_AMP_VOLMASK;
1142         return 0;
1143 }
1144 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_get);
1145
1146 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1147                                  struct snd_ctl_elem_value *ucontrol)
1148 {
1149         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1150         hda_nid_t nid = get_amp_nid(kcontrol);
1151         int chs = get_amp_channels(kcontrol);
1152         int dir = get_amp_direction(kcontrol);
1153         int idx = get_amp_index(kcontrol);
1154         long *valp = ucontrol->value.integer.value;
1155         int change = 0;
1156
1157         snd_hda_power_up(codec);
1158         if (chs & 1) {
1159                 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
1160                                                   0x7f, *valp);
1161                 valp++;
1162         }
1163         if (chs & 2)
1164                 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
1165                                                    0x7f, *valp);
1166         snd_hda_power_down(codec);
1167         return change;
1168 }
1169 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_put);
1170
1171 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1172                           unsigned int size, unsigned int __user *_tlv)
1173 {
1174         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1175         hda_nid_t nid = get_amp_nid(kcontrol);
1176         int dir = get_amp_direction(kcontrol);
1177         u32 caps, val1, val2;
1178
1179         if (size < 4 * sizeof(unsigned int))
1180                 return -ENOMEM;
1181         caps = query_amp_caps(codec, nid, dir);
1182         val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1183         val2 = (val2 + 1) * 25;
1184         val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1185         val1 = ((int)val1) * ((int)val2);
1186         if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
1187                 return -EFAULT;
1188         if (put_user(2 * sizeof(unsigned int), _tlv + 1))
1189                 return -EFAULT;
1190         if (put_user(val1, _tlv + 2))
1191                 return -EFAULT;
1192         if (put_user(val2, _tlv + 3))
1193                 return -EFAULT;
1194         return 0;
1195 }
1196 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_tlv);
1197
1198 /*
1199  * set (static) TLV for virtual master volume; recalculated as max 0dB
1200  */
1201 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1202                              unsigned int *tlv)
1203 {
1204         u32 caps;
1205         int nums, step;
1206
1207         caps = query_amp_caps(codec, nid, dir);
1208         nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1209         step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1210         step = (step + 1) * 25;
1211         tlv[0] = SNDRV_CTL_TLVT_DB_SCALE;
1212         tlv[1] = 2 * sizeof(unsigned int);
1213         tlv[2] = -nums * step;
1214         tlv[3] = step;
1215 }
1216 EXPORT_SYMBOL_HDA(snd_hda_set_vmaster_tlv);
1217
1218 /* find a mixer control element with the given name */
1219 static struct snd_kcontrol *
1220 _snd_hda_find_mixer_ctl(struct hda_codec *codec,
1221                         const char *name, int idx)
1222 {
1223         struct snd_ctl_elem_id id;
1224         memset(&id, 0, sizeof(id));
1225         id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1226         id.index = idx;
1227         strcpy(id.name, name);
1228         return snd_ctl_find_id(codec->bus->card, &id);
1229 }
1230
1231 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1232                                             const char *name)
1233 {
1234         return _snd_hda_find_mixer_ctl(codec, name, 0);
1235 }
1236 EXPORT_SYMBOL_HDA(snd_hda_find_mixer_ctl);
1237
1238 /* Add a control element and assign to the codec */
1239 int snd_hda_ctl_add(struct hda_codec *codec, struct snd_kcontrol *kctl)
1240 {
1241         int err;
1242         struct snd_kcontrol **knewp;
1243
1244         err = snd_ctl_add(codec->bus->card, kctl);
1245         if (err < 0)
1246                 return err;
1247         knewp = snd_array_new(&codec->mixers);
1248         if (!knewp)
1249                 return -ENOMEM;
1250         *knewp = kctl;
1251         return 0;
1252 }
1253 EXPORT_SYMBOL_HDA(snd_hda_ctl_add);
1254
1255 #ifdef CONFIG_SND_HDA_RECONFIG
1256 /* Clear all controls assigned to the given codec */
1257 void snd_hda_ctls_clear(struct hda_codec *codec)
1258 {
1259         int i;
1260         struct snd_kcontrol **kctls = codec->mixers.list;
1261         for (i = 0; i < codec->mixers.used; i++)
1262                 snd_ctl_remove(codec->bus->card, kctls[i]);
1263         snd_array_free(&codec->mixers);
1264 }
1265
1266 void snd_hda_codec_reset(struct hda_codec *codec)
1267 {
1268         int i;
1269
1270 #ifdef CONFIG_SND_HDA_POWER_SAVE
1271         cancel_delayed_work(&codec->power_work);
1272         flush_scheduled_work();
1273 #endif
1274         snd_hda_ctls_clear(codec);
1275         /* relase PCMs */
1276         for (i = 0; i < codec->num_pcms; i++) {
1277                 if (codec->pcm_info[i].pcm) {
1278                         snd_device_free(codec->bus->card,
1279                                         codec->pcm_info[i].pcm);
1280                         clear_bit(codec->pcm_info[i].device,
1281                                   codec->bus->pcm_dev_bits);
1282                 }
1283         }
1284         if (codec->patch_ops.free)
1285                 codec->patch_ops.free(codec);
1286         codec->proc_widget_hook = NULL;
1287         codec->spec = NULL;
1288         free_hda_cache(&codec->amp_cache);
1289         free_hda_cache(&codec->cmd_cache);
1290         codec->num_pcms = 0;
1291         codec->pcm_info = NULL;
1292         codec->preset = NULL;
1293         module_put(codec->owner);
1294         codec->owner = NULL;
1295 }
1296 #endif /* CONFIG_SND_HDA_RECONFIG */
1297
1298 /* create a virtual master control and add slaves */
1299 int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
1300                         unsigned int *tlv, const char **slaves)
1301 {
1302         struct snd_kcontrol *kctl;
1303         const char **s;
1304         int err;
1305
1306         for (s = slaves; *s && !snd_hda_find_mixer_ctl(codec, *s); s++)
1307                 ;
1308         if (!*s) {
1309                 snd_printdd("No slave found for %s\n", name);
1310                 return 0;
1311         }
1312         kctl = snd_ctl_make_virtual_master(name, tlv);
1313         if (!kctl)
1314                 return -ENOMEM;
1315         err = snd_hda_ctl_add(codec, kctl);
1316         if (err < 0)
1317                 return err;
1318
1319         for (s = slaves; *s; s++) {
1320                 struct snd_kcontrol *sctl;
1321
1322                 sctl = snd_hda_find_mixer_ctl(codec, *s);
1323                 if (!sctl) {
1324                         snd_printdd("Cannot find slave %s, skipped\n", *s);
1325                         continue;
1326                 }
1327                 err = snd_ctl_add_slave(kctl, sctl);
1328                 if (err < 0)
1329                         return err;
1330         }
1331         return 0;
1332 }
1333 EXPORT_SYMBOL_HDA(snd_hda_add_vmaster);
1334
1335 /* switch */
1336 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
1337                                   struct snd_ctl_elem_info *uinfo)
1338 {
1339         int chs = get_amp_channels(kcontrol);
1340
1341         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1342         uinfo->count = chs == 3 ? 2 : 1;
1343         uinfo->value.integer.min = 0;
1344         uinfo->value.integer.max = 1;
1345         return 0;
1346 }
1347 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_info);
1348
1349 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
1350                                  struct snd_ctl_elem_value *ucontrol)
1351 {
1352         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1353         hda_nid_t nid = get_amp_nid(kcontrol);
1354         int chs = get_amp_channels(kcontrol);
1355         int dir = get_amp_direction(kcontrol);
1356         int idx = get_amp_index(kcontrol);
1357         long *valp = ucontrol->value.integer.value;
1358
1359         if (chs & 1)
1360                 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
1361                            HDA_AMP_MUTE) ? 0 : 1;
1362         if (chs & 2)
1363                 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
1364                          HDA_AMP_MUTE) ? 0 : 1;
1365         return 0;
1366 }
1367 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_get);
1368
1369 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
1370                                  struct snd_ctl_elem_value *ucontrol)
1371 {
1372         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1373         hda_nid_t nid = get_amp_nid(kcontrol);
1374         int chs = get_amp_channels(kcontrol);
1375         int dir = get_amp_direction(kcontrol);
1376         int idx = get_amp_index(kcontrol);
1377         long *valp = ucontrol->value.integer.value;
1378         int change = 0;
1379
1380         snd_hda_power_up(codec);
1381         if (chs & 1) {
1382                 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
1383                                                   HDA_AMP_MUTE,
1384                                                   *valp ? 0 : HDA_AMP_MUTE);
1385                 valp++;
1386         }
1387         if (chs & 2)
1388                 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
1389                                                    HDA_AMP_MUTE,
1390                                                    *valp ? 0 : HDA_AMP_MUTE);
1391 #ifdef CONFIG_SND_HDA_POWER_SAVE
1392         if (codec->patch_ops.check_power_status)
1393                 codec->patch_ops.check_power_status(codec, nid);
1394 #endif
1395         snd_hda_power_down(codec);
1396         return change;
1397 }
1398 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_put);
1399
1400 /*
1401  * bound volume controls
1402  *
1403  * bind multiple volumes (# indices, from 0)
1404  */
1405
1406 #define AMP_VAL_IDX_SHIFT       19
1407 #define AMP_VAL_IDX_MASK        (0x0f<<19)
1408
1409 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
1410                                   struct snd_ctl_elem_value *ucontrol)
1411 {
1412         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1413         unsigned long pval;
1414         int err;
1415
1416         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1417         pval = kcontrol->private_value;
1418         kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
1419         err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
1420         kcontrol->private_value = pval;
1421         mutex_unlock(&codec->spdif_mutex);
1422         return err;
1423 }
1424 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_switch_get);
1425
1426 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
1427                                   struct snd_ctl_elem_value *ucontrol)
1428 {
1429         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1430         unsigned long pval;
1431         int i, indices, err = 0, change = 0;
1432
1433         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1434         pval = kcontrol->private_value;
1435         indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
1436         for (i = 0; i < indices; i++) {
1437                 kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) |
1438                         (i << AMP_VAL_IDX_SHIFT);
1439                 err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
1440                 if (err < 0)
1441                         break;
1442                 change |= err;
1443         }
1444         kcontrol->private_value = pval;
1445         mutex_unlock(&codec->spdif_mutex);
1446         return err < 0 ? err : change;
1447 }
1448 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_switch_put);
1449
1450 /*
1451  * generic bound volume/swtich controls
1452  */
1453 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
1454                                  struct snd_ctl_elem_info *uinfo)
1455 {
1456         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1457         struct hda_bind_ctls *c;
1458         int err;
1459
1460         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1461         c = (struct hda_bind_ctls *)kcontrol->private_value;
1462         kcontrol->private_value = *c->values;
1463         err = c->ops->info(kcontrol, uinfo);
1464         kcontrol->private_value = (long)c;
1465         mutex_unlock(&codec->spdif_mutex);
1466         return err;
1467 }
1468 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_info);
1469
1470 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
1471                                 struct snd_ctl_elem_value *ucontrol)
1472 {
1473         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1474         struct hda_bind_ctls *c;
1475         int err;
1476
1477         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1478         c = (struct hda_bind_ctls *)kcontrol->private_value;
1479         kcontrol->private_value = *c->values;
1480         err = c->ops->get(kcontrol, ucontrol);
1481         kcontrol->private_value = (long)c;
1482         mutex_unlock(&codec->spdif_mutex);
1483         return err;
1484 }
1485 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_get);
1486
1487 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
1488                                 struct snd_ctl_elem_value *ucontrol)
1489 {
1490         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1491         struct hda_bind_ctls *c;
1492         unsigned long *vals;
1493         int err = 0, change = 0;
1494
1495         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1496         c = (struct hda_bind_ctls *)kcontrol->private_value;
1497         for (vals = c->values; *vals; vals++) {
1498                 kcontrol->private_value = *vals;
1499                 err = c->ops->put(kcontrol, ucontrol);
1500                 if (err < 0)
1501                         break;
1502                 change |= err;
1503         }
1504         kcontrol->private_value = (long)c;
1505         mutex_unlock(&codec->spdif_mutex);
1506         return err < 0 ? err : change;
1507 }
1508 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_put);
1509
1510 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1511                            unsigned int size, unsigned int __user *tlv)
1512 {
1513         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1514         struct hda_bind_ctls *c;
1515         int err;
1516
1517         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1518         c = (struct hda_bind_ctls *)kcontrol->private_value;
1519         kcontrol->private_value = *c->values;
1520         err = c->ops->tlv(kcontrol, op_flag, size, tlv);
1521         kcontrol->private_value = (long)c;
1522         mutex_unlock(&codec->spdif_mutex);
1523         return err;
1524 }
1525 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_tlv);
1526
1527 struct hda_ctl_ops snd_hda_bind_vol = {
1528         .info = snd_hda_mixer_amp_volume_info,
1529         .get = snd_hda_mixer_amp_volume_get,
1530         .put = snd_hda_mixer_amp_volume_put,
1531         .tlv = snd_hda_mixer_amp_tlv
1532 };
1533 EXPORT_SYMBOL_HDA(snd_hda_bind_vol);
1534
1535 struct hda_ctl_ops snd_hda_bind_sw = {
1536         .info = snd_hda_mixer_amp_switch_info,
1537         .get = snd_hda_mixer_amp_switch_get,
1538         .put = snd_hda_mixer_amp_switch_put,
1539         .tlv = snd_hda_mixer_amp_tlv
1540 };
1541 EXPORT_SYMBOL_HDA(snd_hda_bind_sw);
1542
1543 /*
1544  * SPDIF out controls
1545  */
1546
1547 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
1548                                    struct snd_ctl_elem_info *uinfo)
1549 {
1550         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1551         uinfo->count = 1;
1552         return 0;
1553 }
1554
1555 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
1556                                    struct snd_ctl_elem_value *ucontrol)
1557 {
1558         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1559                                            IEC958_AES0_NONAUDIO |
1560                                            IEC958_AES0_CON_EMPHASIS_5015 |
1561                                            IEC958_AES0_CON_NOT_COPYRIGHT;
1562         ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
1563                                            IEC958_AES1_CON_ORIGINAL;
1564         return 0;
1565 }
1566
1567 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
1568                                    struct snd_ctl_elem_value *ucontrol)
1569 {
1570         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1571                                            IEC958_AES0_NONAUDIO |
1572                                            IEC958_AES0_PRO_EMPHASIS_5015;
1573         return 0;
1574 }
1575
1576 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
1577                                      struct snd_ctl_elem_value *ucontrol)
1578 {
1579         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1580
1581         ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff;
1582         ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff;
1583         ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff;
1584         ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff;
1585
1586         return 0;
1587 }
1588
1589 /* convert from SPDIF status bits to HDA SPDIF bits
1590  * bit 0 (DigEn) is always set zero (to be filled later)
1591  */
1592 static unsigned short convert_from_spdif_status(unsigned int sbits)
1593 {
1594         unsigned short val = 0;
1595
1596         if (sbits & IEC958_AES0_PROFESSIONAL)
1597                 val |= AC_DIG1_PROFESSIONAL;
1598         if (sbits & IEC958_AES0_NONAUDIO)
1599                 val |= AC_DIG1_NONAUDIO;
1600         if (sbits & IEC958_AES0_PROFESSIONAL) {
1601                 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
1602                     IEC958_AES0_PRO_EMPHASIS_5015)
1603                         val |= AC_DIG1_EMPHASIS;
1604         } else {
1605                 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
1606                     IEC958_AES0_CON_EMPHASIS_5015)
1607                         val |= AC_DIG1_EMPHASIS;
1608                 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
1609                         val |= AC_DIG1_COPYRIGHT;
1610                 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
1611                         val |= AC_DIG1_LEVEL;
1612                 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
1613         }
1614         return val;
1615 }
1616
1617 /* convert to SPDIF status bits from HDA SPDIF bits
1618  */
1619 static unsigned int convert_to_spdif_status(unsigned short val)
1620 {
1621         unsigned int sbits = 0;
1622
1623         if (val & AC_DIG1_NONAUDIO)
1624                 sbits |= IEC958_AES0_NONAUDIO;
1625         if (val & AC_DIG1_PROFESSIONAL)
1626                 sbits |= IEC958_AES0_PROFESSIONAL;
1627         if (sbits & IEC958_AES0_PROFESSIONAL) {
1628                 if (sbits & AC_DIG1_EMPHASIS)
1629                         sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
1630         } else {
1631                 if (val & AC_DIG1_EMPHASIS)
1632                         sbits |= IEC958_AES0_CON_EMPHASIS_5015;
1633                 if (!(val & AC_DIG1_COPYRIGHT))
1634                         sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
1635                 if (val & AC_DIG1_LEVEL)
1636                         sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
1637                 sbits |= val & (0x7f << 8);
1638         }
1639         return sbits;
1640 }
1641
1642 /* set digital convert verbs both for the given NID and its slaves */
1643 static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
1644                         int verb, int val)
1645 {
1646         hda_nid_t *d;
1647
1648         snd_hda_codec_write_cache(codec, nid, 0, verb, val);
1649         d = codec->slave_dig_outs;
1650         if (!d)
1651                 return;
1652         for (; *d; d++)
1653                 snd_hda_codec_write_cache(codec, *d, 0, verb, val);
1654 }
1655
1656 static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
1657                                        int dig1, int dig2)
1658 {
1659         if (dig1 != -1)
1660                 set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_1, dig1);
1661         if (dig2 != -1)
1662                 set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_2, dig2);
1663 }
1664
1665 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
1666                                      struct snd_ctl_elem_value *ucontrol)
1667 {
1668         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1669         hda_nid_t nid = kcontrol->private_value;
1670         unsigned short val;
1671         int change;
1672
1673         mutex_lock(&codec->spdif_mutex);
1674         codec->spdif_status = ucontrol->value.iec958.status[0] |
1675                 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
1676                 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
1677                 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
1678         val = convert_from_spdif_status(codec->spdif_status);
1679         val |= codec->spdif_ctls & 1;
1680         change = codec->spdif_ctls != val;
1681         codec->spdif_ctls = val;
1682
1683         if (change)
1684                 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
1685
1686         mutex_unlock(&codec->spdif_mutex);
1687         return change;
1688 }
1689
1690 #define snd_hda_spdif_out_switch_info   snd_ctl_boolean_mono_info
1691
1692 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
1693                                         struct snd_ctl_elem_value *ucontrol)
1694 {
1695         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1696
1697         ucontrol->value.integer.value[0] = codec->spdif_ctls & AC_DIG1_ENABLE;
1698         return 0;
1699 }
1700
1701 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
1702                                         struct snd_ctl_elem_value *ucontrol)
1703 {
1704         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1705         hda_nid_t nid = kcontrol->private_value;
1706         unsigned short val;
1707         int change;
1708
1709         mutex_lock(&codec->spdif_mutex);
1710         val = codec->spdif_ctls & ~AC_DIG1_ENABLE;
1711         if (ucontrol->value.integer.value[0])
1712                 val |= AC_DIG1_ENABLE;
1713         change = codec->spdif_ctls != val;
1714         if (change) {
1715                 codec->spdif_ctls = val;
1716                 set_dig_out_convert(codec, nid, val & 0xff, -1);
1717                 /* unmute amp switch (if any) */
1718                 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
1719                     (val & AC_DIG1_ENABLE))
1720                         snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
1721                                                  HDA_AMP_MUTE, 0);
1722         }
1723         mutex_unlock(&codec->spdif_mutex);
1724         return change;
1725 }
1726
1727 static struct snd_kcontrol_new dig_mixes[] = {
1728         {
1729                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1730                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1731                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1732                 .info = snd_hda_spdif_mask_info,
1733                 .get = snd_hda_spdif_cmask_get,
1734         },
1735         {
1736                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1737                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1738                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1739                 .info = snd_hda_spdif_mask_info,
1740                 .get = snd_hda_spdif_pmask_get,
1741         },
1742         {
1743                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1744                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1745                 .info = snd_hda_spdif_mask_info,
1746                 .get = snd_hda_spdif_default_get,
1747                 .put = snd_hda_spdif_default_put,
1748         },
1749         {
1750                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1751                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1752                 .info = snd_hda_spdif_out_switch_info,
1753                 .get = snd_hda_spdif_out_switch_get,
1754                 .put = snd_hda_spdif_out_switch_put,
1755         },
1756         { } /* end */
1757 };
1758
1759 #define SPDIF_MAX_IDX   4       /* 4 instances should be enough to probe */
1760
1761 /**
1762  * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1763  * @codec: the HDA codec
1764  * @nid: audio out widget NID
1765  *
1766  * Creates controls related with the SPDIF output.
1767  * Called from each patch supporting the SPDIF out.
1768  *
1769  * Returns 0 if successful, or a negative error code.
1770  */
1771 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid)
1772 {
1773         int err;
1774         struct snd_kcontrol *kctl;
1775         struct snd_kcontrol_new *dig_mix;
1776         int idx;
1777
1778         for (idx = 0; idx < SPDIF_MAX_IDX; idx++) {
1779                 if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Playback Switch",
1780                                              idx))
1781                         break;
1782         }
1783         if (idx >= SPDIF_MAX_IDX) {
1784                 printk(KERN_ERR "hda_codec: too many IEC958 outputs\n");
1785                 return -EBUSY;
1786         }
1787         for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
1788                 kctl = snd_ctl_new1(dig_mix, codec);
1789                 if (!kctl)
1790                         return -ENOMEM;
1791                 kctl->id.index = idx;
1792                 kctl->private_value = nid;
1793                 err = snd_hda_ctl_add(codec, kctl);
1794                 if (err < 0)
1795                         return err;
1796         }
1797         codec->spdif_ctls =
1798                 snd_hda_codec_read(codec, nid, 0,
1799                                    AC_VERB_GET_DIGI_CONVERT_1, 0);
1800         codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
1801         return 0;
1802 }
1803 EXPORT_SYMBOL_HDA(snd_hda_create_spdif_out_ctls);
1804
1805 /*
1806  * SPDIF sharing with analog output
1807  */
1808 static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
1809                               struct snd_ctl_elem_value *ucontrol)
1810 {
1811         struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
1812         ucontrol->value.integer.value[0] = mout->share_spdif;
1813         return 0;
1814 }
1815
1816 static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
1817                               struct snd_ctl_elem_value *ucontrol)
1818 {
1819         struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
1820         mout->share_spdif = !!ucontrol->value.integer.value[0];
1821         return 0;
1822 }
1823
1824 static struct snd_kcontrol_new spdif_share_sw = {
1825         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1826         .name = "IEC958 Default PCM Playback Switch",
1827         .info = snd_ctl_boolean_mono_info,
1828         .get = spdif_share_sw_get,
1829         .put = spdif_share_sw_put,
1830 };
1831
1832 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
1833                                   struct hda_multi_out *mout)
1834 {
1835         if (!mout->dig_out_nid)
1836                 return 0;
1837         /* ATTENTION: here mout is passed as private_data, instead of codec */
1838         return snd_hda_ctl_add(codec,
1839                            snd_ctl_new1(&spdif_share_sw, mout));
1840 }
1841 EXPORT_SYMBOL_HDA(snd_hda_create_spdif_share_sw);
1842
1843 /*
1844  * SPDIF input
1845  */
1846
1847 #define snd_hda_spdif_in_switch_info    snd_hda_spdif_out_switch_info
1848
1849 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
1850                                        struct snd_ctl_elem_value *ucontrol)
1851 {
1852         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1853
1854         ucontrol->value.integer.value[0] = codec->spdif_in_enable;
1855         return 0;
1856 }
1857
1858 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
1859                                        struct snd_ctl_elem_value *ucontrol)
1860 {
1861         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1862         hda_nid_t nid = kcontrol->private_value;
1863         unsigned int val = !!ucontrol->value.integer.value[0];
1864         int change;
1865
1866         mutex_lock(&codec->spdif_mutex);
1867         change = codec->spdif_in_enable != val;
1868         if (change) {
1869                 codec->spdif_in_enable = val;
1870                 snd_hda_codec_write_cache(codec, nid, 0,
1871                                           AC_VERB_SET_DIGI_CONVERT_1, val);
1872         }
1873         mutex_unlock(&codec->spdif_mutex);
1874         return change;
1875 }
1876
1877 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
1878                                        struct snd_ctl_elem_value *ucontrol)
1879 {
1880         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1881         hda_nid_t nid = kcontrol->private_value;
1882         unsigned short val;
1883         unsigned int sbits;
1884
1885         val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT_1, 0);
1886         sbits = convert_to_spdif_status(val);
1887         ucontrol->value.iec958.status[0] = sbits;
1888         ucontrol->value.iec958.status[1] = sbits >> 8;
1889         ucontrol->value.iec958.status[2] = sbits >> 16;
1890         ucontrol->value.iec958.status[3] = sbits >> 24;
1891         return 0;
1892 }
1893
1894 static struct snd_kcontrol_new dig_in_ctls[] = {
1895         {
1896                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1897                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
1898                 .info = snd_hda_spdif_in_switch_info,
1899                 .get = snd_hda_spdif_in_switch_get,
1900                 .put = snd_hda_spdif_in_switch_put,
1901         },
1902         {
1903                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1904                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1905                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1906                 .info = snd_hda_spdif_mask_info,
1907                 .get = snd_hda_spdif_in_status_get,
1908         },
1909         { } /* end */
1910 };
1911
1912 /**
1913  * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1914  * @codec: the HDA codec
1915  * @nid: audio in widget NID
1916  *
1917  * Creates controls related with the SPDIF input.
1918  * Called from each patch supporting the SPDIF in.
1919  *
1920  * Returns 0 if successful, or a negative error code.
1921  */
1922 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
1923 {
1924         int err;
1925         struct snd_kcontrol *kctl;
1926         struct snd_kcontrol_new *dig_mix;
1927         int idx;
1928
1929         for (idx = 0; idx < SPDIF_MAX_IDX; idx++) {
1930                 if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Capture Switch",
1931                                              idx))
1932                         break;
1933         }
1934         if (idx >= SPDIF_MAX_IDX) {
1935                 printk(KERN_ERR "hda_codec: too many IEC958 inputs\n");
1936                 return -EBUSY;
1937         }
1938         for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
1939                 kctl = snd_ctl_new1(dig_mix, codec);
1940                 kctl->private_value = nid;
1941                 err = snd_hda_ctl_add(codec, kctl);
1942                 if (err < 0)
1943                         return err;
1944         }
1945         codec->spdif_in_enable =
1946                 snd_hda_codec_read(codec, nid, 0,
1947                                    AC_VERB_GET_DIGI_CONVERT_1, 0) &
1948                 AC_DIG1_ENABLE;
1949         return 0;
1950 }
1951 EXPORT_SYMBOL_HDA(snd_hda_create_spdif_in_ctls);
1952
1953 #ifdef SND_HDA_NEEDS_RESUME
1954 /*
1955  * command cache
1956  */
1957
1958 /* build a 32bit cache key with the widget id and the command parameter */
1959 #define build_cmd_cache_key(nid, verb)  ((verb << 8) | nid)
1960 #define get_cmd_cache_nid(key)          ((key) & 0xff)
1961 #define get_cmd_cache_cmd(key)          (((key) >> 8) & 0xffff)
1962
1963 /**
1964  * snd_hda_codec_write_cache - send a single command with caching
1965  * @codec: the HDA codec
1966  * @nid: NID to send the command
1967  * @direct: direct flag
1968  * @verb: the verb to send
1969  * @parm: the parameter for the verb
1970  *
1971  * Send a single command without waiting for response.
1972  *
1973  * Returns 0 if successful, or a negative error code.
1974  */
1975 int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
1976                               int direct, unsigned int verb, unsigned int parm)
1977 {
1978         struct hda_bus *bus = codec->bus;
1979         unsigned int res;
1980         int err;
1981
1982         res = make_codec_cmd(codec, nid, direct, verb, parm);
1983         snd_hda_power_up(codec);
1984         mutex_lock(&bus->cmd_mutex);
1985         err = bus->ops.command(bus, res);
1986         if (!err) {
1987                 struct hda_cache_head *c;
1988                 u32 key = build_cmd_cache_key(nid, verb);
1989                 c = get_alloc_hash(&codec->cmd_cache, key);
1990                 if (c)
1991                         c->val = parm;
1992         }
1993         mutex_unlock(&bus->cmd_mutex);
1994         snd_hda_power_down(codec);
1995         return err;
1996 }
1997 EXPORT_SYMBOL_HDA(snd_hda_codec_write_cache);
1998
1999 /* resume the all commands from the cache */
2000 void snd_hda_codec_resume_cache(struct hda_codec *codec)
2001 {
2002         struct hda_cache_head *buffer = codec->cmd_cache.buf.list;
2003         int i;
2004
2005         for (i = 0; i < codec->cmd_cache.buf.used; i++, buffer++) {
2006                 u32 key = buffer->key;
2007                 if (!key)
2008                         continue;
2009                 snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0,
2010                                     get_cmd_cache_cmd(key), buffer->val);
2011         }
2012 }
2013 EXPORT_SYMBOL_HDA(snd_hda_codec_resume_cache);
2014
2015 /**
2016  * snd_hda_sequence_write_cache - sequence writes with caching
2017  * @codec: the HDA codec
2018  * @seq: VERB array to send
2019  *
2020  * Send the commands sequentially from the given array.
2021  * Thte commands are recorded on cache for power-save and resume.
2022  * The array must be terminated with NID=0.
2023  */
2024 void snd_hda_sequence_write_cache(struct hda_codec *codec,
2025                                   const struct hda_verb *seq)
2026 {
2027         for (; seq->nid; seq++)
2028                 snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb,
2029                                           seq->param);
2030 }
2031 EXPORT_SYMBOL_HDA(snd_hda_sequence_write_cache);
2032 #endif /* SND_HDA_NEEDS_RESUME */
2033
2034 /*
2035  * set power state of the codec
2036  */
2037 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2038                                 unsigned int power_state)
2039 {
2040         hda_nid_t nid;
2041         int i;
2042
2043         snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE,
2044                             power_state);
2045         msleep(10); /* partial workaround for "azx_get_response timeout" */
2046
2047         nid = codec->start_nid;
2048         for (i = 0; i < codec->num_nodes; i++, nid++) {
2049                 unsigned int wcaps = get_wcaps(codec, nid);
2050                 if (wcaps & AC_WCAP_POWER) {
2051                         unsigned int wid_type = (wcaps & AC_WCAP_TYPE) >>
2052                                 AC_WCAP_TYPE_SHIFT;
2053                         if (wid_type == AC_WID_PIN) {
2054                                 unsigned int pincap;
2055                                 /*
2056                                  * don't power down the widget if it controls
2057                                  * eapd and EAPD_BTLENABLE is set.
2058                                  */
2059                                 pincap = snd_hda_param_read(codec, nid,
2060                                                             AC_PAR_PIN_CAP);
2061                                 if (pincap & AC_PINCAP_EAPD) {
2062                                         int eapd = snd_hda_codec_read(codec,
2063                                                 nid, 0,
2064                                                 AC_VERB_GET_EAPD_BTLENABLE, 0);
2065                                         eapd &= 0x02;
2066                                         if (power_state == AC_PWRST_D3 && eapd)
2067                                                 continue;
2068                                 }
2069                         }
2070                         snd_hda_codec_write(codec, nid, 0,
2071                                             AC_VERB_SET_POWER_STATE,
2072                                             power_state);
2073                 }
2074         }
2075
2076         if (power_state == AC_PWRST_D0) {
2077                 unsigned long end_time;
2078                 int state;
2079                 msleep(10);
2080                 /* wait until the codec reachs to D0 */
2081                 end_time = jiffies + msecs_to_jiffies(500);
2082                 do {
2083                         state = snd_hda_codec_read(codec, fg, 0,
2084                                                    AC_VERB_GET_POWER_STATE, 0);
2085                         if (state == power_state)
2086                                 break;
2087                         msleep(1);
2088                 } while (time_after_eq(end_time, jiffies));
2089         }
2090 }
2091
2092 #ifdef CONFIG_SND_HDA_HWDEP
2093 /* execute additional init verbs */
2094 static void hda_exec_init_verbs(struct hda_codec *codec)
2095 {
2096         if (codec->init_verbs.list)
2097                 snd_hda_sequence_write(codec, codec->init_verbs.list);
2098 }
2099 #else
2100 static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
2101 #endif
2102
2103 #ifdef SND_HDA_NEEDS_RESUME
2104 /*
2105  * call suspend and power-down; used both from PM and power-save
2106  */
2107 static void hda_call_codec_suspend(struct hda_codec *codec)
2108 {
2109         if (codec->patch_ops.suspend)
2110                 codec->patch_ops.suspend(codec, PMSG_SUSPEND);
2111         hda_set_power_state(codec,
2112                             codec->afg ? codec->afg : codec->mfg,
2113                             AC_PWRST_D3);
2114 #ifdef CONFIG_SND_HDA_POWER_SAVE
2115         cancel_delayed_work(&codec->power_work);
2116         codec->power_on = 0;
2117         codec->power_transition = 0;
2118 #endif
2119 }
2120
2121 /*
2122  * kick up codec; used both from PM and power-save
2123  */
2124 static void hda_call_codec_resume(struct hda_codec *codec)
2125 {
2126         hda_set_power_state(codec,
2127                             codec->afg ? codec->afg : codec->mfg,
2128                             AC_PWRST_D0);
2129         hda_exec_init_verbs(codec);
2130         if (codec->patch_ops.resume)
2131                 codec->patch_ops.resume(codec);
2132         else {
2133                 if (codec->patch_ops.init)
2134                         codec->patch_ops.init(codec);
2135                 snd_hda_codec_resume_amp(codec);
2136                 snd_hda_codec_resume_cache(codec);
2137         }
2138 }
2139 #endif /* SND_HDA_NEEDS_RESUME */
2140
2141
2142 /**
2143  * snd_hda_build_controls - build mixer controls
2144  * @bus: the BUS
2145  *
2146  * Creates mixer controls for each codec included in the bus.
2147  *
2148  * Returns 0 if successful, otherwise a negative error code.
2149  */
2150 int /*__devinit*/ snd_hda_build_controls(struct hda_bus *bus)
2151 {
2152         struct hda_codec *codec;
2153
2154         list_for_each_entry(codec, &bus->codec_list, list) {
2155                 int err = snd_hda_codec_build_controls(codec);
2156                 if (err < 0)
2157                         return err;
2158         }
2159         return 0;
2160 }
2161 EXPORT_SYMBOL_HDA(snd_hda_build_controls);
2162
2163 int snd_hda_codec_build_controls(struct hda_codec *codec)
2164 {
2165         int err = 0;
2166         /* fake as if already powered-on */
2167         hda_keep_power_on(codec);
2168         /* then fire up */
2169         hda_set_power_state(codec,
2170                             codec->afg ? codec->afg : codec->mfg,
2171                             AC_PWRST_D0);
2172         hda_exec_init_verbs(codec);
2173         /* continue to initialize... */
2174         if (codec->patch_ops.init)
2175                 err = codec->patch_ops.init(codec);
2176         if (!err && codec->patch_ops.build_controls)
2177                 err = codec->patch_ops.build_controls(codec);
2178         snd_hda_power_down(codec);
2179         if (err < 0)
2180                 return err;
2181         return 0;
2182 }
2183
2184 /*
2185  * stream formats
2186  */
2187 struct hda_rate_tbl {
2188         unsigned int hz;
2189         unsigned int alsa_bits;
2190         unsigned int hda_fmt;
2191 };
2192
2193 static struct hda_rate_tbl rate_bits[] = {
2194         /* rate in Hz, ALSA rate bitmask, HDA format value */
2195
2196         /* autodetected value used in snd_hda_query_supported_pcm */
2197         { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
2198         { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
2199         { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
2200         { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
2201         { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
2202         { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
2203         { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
2204         { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
2205         { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
2206         { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
2207         { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
2208 #define AC_PAR_PCM_RATE_BITS    11
2209         /* up to bits 10, 384kHZ isn't supported properly */
2210
2211         /* not autodetected value */
2212         { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
2213
2214         { 0 } /* terminator */
2215 };
2216
2217 /**
2218  * snd_hda_calc_stream_format - calculate format bitset
2219  * @rate: the sample rate
2220  * @channels: the number of channels
2221  * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
2222  * @maxbps: the max. bps
2223  *
2224  * Calculate the format bitset from the given rate, channels and th PCM format.
2225  *
2226  * Return zero if invalid.
2227  */
2228 unsigned int snd_hda_calc_stream_format(unsigned int rate,
2229                                         unsigned int channels,
2230                                         unsigned int format,
2231                                         unsigned int maxbps)
2232 {
2233         int i;
2234         unsigned int val = 0;
2235
2236         for (i = 0; rate_bits[i].hz; i++)
2237                 if (rate_bits[i].hz == rate) {
2238                         val = rate_bits[i].hda_fmt;
2239                         break;
2240                 }
2241         if (!rate_bits[i].hz) {
2242                 snd_printdd("invalid rate %d\n", rate);
2243                 return 0;
2244         }
2245
2246         if (channels == 0 || channels > 8) {
2247                 snd_printdd("invalid channels %d\n", channels);
2248                 return 0;
2249         }
2250         val |= channels - 1;
2251
2252         switch (snd_pcm_format_width(format)) {
2253         case 8:  val |= 0x00; break;
2254         case 16: val |= 0x10; break;
2255         case 20:
2256         case 24:
2257         case 32:
2258                 if (maxbps >= 32)
2259                         val |= 0x40;
2260                 else if (maxbps >= 24)
2261                         val |= 0x30;
2262                 else
2263                         val |= 0x20;
2264                 break;
2265         default:
2266                 snd_printdd("invalid format width %d\n",
2267                             snd_pcm_format_width(format));
2268                 return 0;
2269         }
2270
2271         return val;
2272 }
2273 EXPORT_SYMBOL_HDA(snd_hda_calc_stream_format);
2274
2275 /**
2276  * snd_hda_query_supported_pcm - query the supported PCM rates and formats
2277  * @codec: the HDA codec
2278  * @nid: NID to query
2279  * @ratesp: the pointer to store the detected rate bitflags
2280  * @formatsp: the pointer to store the detected formats
2281  * @bpsp: the pointer to store the detected format widths
2282  *
2283  * Queries the supported PCM rates and formats.  The NULL @ratesp, @formatsp
2284  * or @bsps argument is ignored.
2285  *
2286  * Returns 0 if successful, otherwise a negative error code.
2287  */
2288 static int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
2289                                 u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
2290 {
2291         int i;
2292         unsigned int val, streams;
2293
2294         val = 0;
2295         if (nid != codec->afg &&
2296             (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
2297                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
2298                 if (val == -1)
2299                         return -EIO;
2300         }
2301         if (!val)
2302                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
2303
2304         if (ratesp) {
2305                 u32 rates = 0;
2306                 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) {
2307                         if (val & (1 << i))
2308                                 rates |= rate_bits[i].alsa_bits;
2309                 }
2310                 *ratesp = rates;
2311         }
2312
2313         if (formatsp || bpsp) {
2314                 u64 formats = 0;
2315                 unsigned int bps;
2316                 unsigned int wcaps;
2317
2318                 wcaps = get_wcaps(codec, nid);
2319                 streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
2320                 if (streams == -1)
2321                         return -EIO;
2322                 if (!streams) {
2323                         streams = snd_hda_param_read(codec, codec->afg,
2324                                                      AC_PAR_STREAM);
2325                         if (streams == -1)
2326                                 return -EIO;
2327                 }
2328
2329                 bps = 0;
2330                 if (streams & AC_SUPFMT_PCM) {
2331                         if (val & AC_SUPPCM_BITS_8) {
2332                                 formats |= SNDRV_PCM_FMTBIT_U8;
2333                                 bps = 8;
2334                         }
2335                         if (val & AC_SUPPCM_BITS_16) {
2336                                 formats |= SNDRV_PCM_FMTBIT_S16_LE;
2337                                 bps = 16;
2338                         }
2339                         if (wcaps & AC_WCAP_DIGITAL) {
2340                                 if (val & AC_SUPPCM_BITS_32)
2341                                         formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
2342                                 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
2343                                         formats |= SNDRV_PCM_FMTBIT_S32_LE;
2344                                 if (val & AC_SUPPCM_BITS_24)
2345                                         bps = 24;
2346                                 else if (val & AC_SUPPCM_BITS_20)
2347                                         bps = 20;
2348                         } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|
2349                                           AC_SUPPCM_BITS_32)) {
2350                                 formats |= SNDRV_PCM_FMTBIT_S32_LE;
2351                                 if (val & AC_SUPPCM_BITS_32)
2352                                         bps = 32;
2353                                 else if (val & AC_SUPPCM_BITS_24)
2354                                         bps = 24;
2355                                 else if (val & AC_SUPPCM_BITS_20)
2356                                         bps = 20;
2357                         }
2358                 }
2359                 else if (streams == AC_SUPFMT_FLOAT32) {
2360                         /* should be exclusive */
2361                         formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
2362                         bps = 32;
2363                 } else if (streams == AC_SUPFMT_AC3) {
2364                         /* should be exclusive */
2365                         /* temporary hack: we have still no proper support
2366                          * for the direct AC3 stream...
2367                          */
2368                         formats |= SNDRV_PCM_FMTBIT_U8;
2369                         bps = 8;
2370                 }
2371                 if (formatsp)
2372                         *formatsp = formats;
2373                 if (bpsp)
2374                         *bpsp = bps;
2375         }
2376
2377         return 0;
2378 }
2379
2380 /**
2381  * snd_hda_is_supported_format - check whether the given node supports
2382  * the format val
2383  *
2384  * Returns 1 if supported, 0 if not.
2385  */
2386 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
2387                                 unsigned int format)
2388 {
2389         int i;
2390         unsigned int val = 0, rate, stream;
2391
2392         if (nid != codec->afg &&
2393             (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
2394                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
2395                 if (val == -1)
2396                         return 0;
2397         }
2398         if (!val) {
2399                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
2400                 if (val == -1)
2401                         return 0;
2402         }
2403
2404         rate = format & 0xff00;
2405         for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)
2406                 if (rate_bits[i].hda_fmt == rate) {
2407                         if (val & (1 << i))
2408                                 break;
2409                         return 0;
2410                 }
2411         if (i >= AC_PAR_PCM_RATE_BITS)
2412                 return 0;
2413
2414         stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
2415         if (stream == -1)
2416                 return 0;
2417         if (!stream && nid != codec->afg)
2418                 stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
2419         if (!stream || stream == -1)
2420                 return 0;
2421
2422         if (stream & AC_SUPFMT_PCM) {
2423                 switch (format & 0xf0) {
2424                 case 0x00:
2425                         if (!(val & AC_SUPPCM_BITS_8))
2426                                 return 0;
2427                         break;
2428                 case 0x10:
2429                         if (!(val & AC_SUPPCM_BITS_16))
2430                                 return 0;
2431                         break;
2432                 case 0x20:
2433                         if (!(val & AC_SUPPCM_BITS_20))
2434                                 return 0;
2435                         break;
2436                 case 0x30:
2437                         if (!(val & AC_SUPPCM_BITS_24))
2438                                 return 0;
2439                         break;
2440                 case 0x40:
2441                         if (!(val & AC_SUPPCM_BITS_32))
2442                                 return 0;
2443                         break;
2444                 default:
2445                         return 0;
2446                 }
2447         } else {
2448                 /* FIXME: check for float32 and AC3? */
2449         }
2450
2451         return 1;
2452 }
2453 EXPORT_SYMBOL_HDA(snd_hda_is_supported_format);
2454
2455 /*
2456  * PCM stuff
2457  */
2458 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
2459                                       struct hda_codec *codec,
2460                                       struct snd_pcm_substream *substream)
2461 {
2462         return 0;
2463 }
2464
2465 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
2466                                    struct hda_codec *codec,
2467                                    unsigned int stream_tag,
2468                                    unsigned int format,
2469                                    struct snd_pcm_substream *substream)
2470 {
2471         snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
2472         return 0;
2473 }
2474
2475 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
2476                                    struct hda_codec *codec,
2477                                    struct snd_pcm_substream *substream)
2478 {
2479         snd_hda_codec_cleanup_stream(codec, hinfo->nid);
2480         return 0;
2481 }
2482
2483 static int set_pcm_default_values(struct hda_codec *codec,
2484                                   struct hda_pcm_stream *info)
2485 {
2486         /* query support PCM information from the given NID */
2487         if (info->nid && (!info->rates || !info->formats)) {
2488                 snd_hda_query_supported_pcm(codec, info->nid,
2489                                 info->rates ? NULL : &info->rates,
2490                                 info->formats ? NULL : &info->formats,
2491                                 info->maxbps ? NULL : &info->maxbps);
2492         }
2493         if (info->ops.open == NULL)
2494                 info->ops.open = hda_pcm_default_open_close;
2495         if (info->ops.close == NULL)
2496                 info->ops.close = hda_pcm_default_open_close;
2497         if (info->ops.prepare == NULL) {
2498                 if (snd_BUG_ON(!info->nid))
2499                         return -EINVAL;
2500                 info->ops.prepare = hda_pcm_default_prepare;
2501         }
2502         if (info->ops.cleanup == NULL) {
2503                 if (snd_BUG_ON(!info->nid))
2504                         return -EINVAL;
2505                 info->ops.cleanup = hda_pcm_default_cleanup;
2506         }
2507         return 0;
2508 }
2509
2510 /*
2511  * get the empty PCM device number to assign
2512  */
2513 static int get_empty_pcm_device(struct hda_bus *bus, int type)
2514 {
2515         static const char *dev_name[HDA_PCM_NTYPES] = {
2516                 "Audio", "SPDIF", "HDMI", "Modem"
2517         };
2518         /* starting device index for each PCM type */
2519         static int dev_idx[HDA_PCM_NTYPES] = {
2520                 [HDA_PCM_TYPE_AUDIO] = 0,
2521                 [HDA_PCM_TYPE_SPDIF] = 1,
2522                 [HDA_PCM_TYPE_HDMI] = 3,
2523                 [HDA_PCM_TYPE_MODEM] = 6
2524         };
2525         /* normal audio device indices; not linear to keep compatibility */
2526         static int audio_idx[4] = { 0, 2, 4, 5 };
2527         int i, dev;
2528
2529         switch (type) {
2530         case HDA_PCM_TYPE_AUDIO:
2531                 for (i = 0; i < ARRAY_SIZE(audio_idx); i++) {
2532                         dev = audio_idx[i];
2533                         if (!test_bit(dev, bus->pcm_dev_bits))
2534                                 break;
2535                 }
2536                 if (i >= ARRAY_SIZE(audio_idx)) {
2537                         snd_printk(KERN_WARNING "Too many audio devices\n");
2538                         return -EAGAIN;
2539                 }
2540                 break;
2541         case HDA_PCM_TYPE_SPDIF:
2542         case HDA_PCM_TYPE_HDMI:
2543         case HDA_PCM_TYPE_MODEM:
2544                 dev = dev_idx[type];
2545                 if (test_bit(dev, bus->pcm_dev_bits)) {
2546                         snd_printk(KERN_WARNING "%s already defined\n",
2547                                    dev_name[type]);
2548                         return -EAGAIN;
2549                 }
2550                 break;
2551         default:
2552                 snd_printk(KERN_WARNING "Invalid PCM type %d\n", type);
2553                 return -EINVAL;
2554         }
2555         set_bit(dev, bus->pcm_dev_bits);
2556         return dev;
2557 }
2558
2559 /*
2560  * attach a new PCM stream
2561  */
2562 static int snd_hda_attach_pcm(struct hda_codec *codec, struct hda_pcm *pcm)
2563 {
2564         struct hda_bus *bus = codec->bus;
2565         struct hda_pcm_stream *info;
2566         int stream, err;
2567
2568         if (snd_BUG_ON(!pcm->name))
2569                 return -EINVAL;
2570         for (stream = 0; stream < 2; stream++) {
2571                 info = &pcm->stream[stream];
2572                 if (info->substreams) {
2573                         err = set_pcm_default_values(codec, info);
2574                         if (err < 0)
2575                                 return err;
2576                 }
2577         }
2578         return bus->ops.attach_pcm(bus, codec, pcm);
2579 }
2580
2581 /* assign all PCMs of the given codec */
2582 int snd_hda_codec_build_pcms(struct hda_codec *codec)
2583 {
2584         unsigned int pcm;
2585         int err;
2586
2587         if (!codec->num_pcms) {
2588                 if (!codec->patch_ops.build_pcms)
2589                         return 0;
2590                 err = codec->patch_ops.build_pcms(codec);
2591                 if (err < 0)
2592                         return err;
2593         }
2594         for (pcm = 0; pcm < codec->num_pcms; pcm++) {
2595                 struct hda_pcm *cpcm = &codec->pcm_info[pcm];
2596                 int dev;
2597
2598                 if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
2599                         return 0; /* no substreams assigned */
2600
2601                 if (!cpcm->pcm) {
2602                         dev = get_empty_pcm_device(codec->bus, cpcm->pcm_type);
2603                         if (dev < 0)
2604                                 return 0;
2605                         cpcm->device = dev;
2606                         err = snd_hda_attach_pcm(codec, cpcm);
2607                         if (err < 0)
2608                                 return err;
2609                 }
2610         }
2611         return 0;
2612 }
2613
2614 /**
2615  * snd_hda_build_pcms - build PCM information
2616  * @bus: the BUS
2617  *
2618  * Create PCM information for each codec included in the bus.
2619  *
2620  * The build_pcms codec patch is requested to set up codec->num_pcms and
2621  * codec->pcm_info properly.  The array is referred by the top-level driver
2622  * to create its PCM instances.
2623  * The allocated codec->pcm_info should be released in codec->patch_ops.free
2624  * callback.
2625  *
2626  * At least, substreams, channels_min and channels_max must be filled for
2627  * each stream.  substreams = 0 indicates that the stream doesn't exist.
2628  * When rates and/or formats are zero, the supported values are queried
2629  * from the given nid.  The nid is used also by the default ops.prepare
2630  * and ops.cleanup callbacks.
2631  *
2632  * The driver needs to call ops.open in its open callback.  Similarly,
2633  * ops.close is supposed to be called in the close callback.
2634  * ops.prepare should be called in the prepare or hw_params callback
2635  * with the proper parameters for set up.
2636  * ops.cleanup should be called in hw_free for clean up of streams.
2637  *
2638  * This function returns 0 if successfull, or a negative error code.
2639  */
2640 int __devinit snd_hda_build_pcms(struct hda_bus *bus)
2641 {
2642         struct hda_codec *codec;
2643
2644         list_for_each_entry(codec, &bus->codec_list, list) {
2645                 int err = snd_hda_codec_build_pcms(codec);
2646                 if (err < 0)
2647                         return err;
2648         }
2649         return 0;
2650 }
2651 EXPORT_SYMBOL_HDA(snd_hda_build_pcms);
2652
2653 /**
2654  * snd_hda_check_board_config - compare the current codec with the config table
2655  * @codec: the HDA codec
2656  * @num_configs: number of config enums
2657  * @models: array of model name strings
2658  * @tbl: configuration table, terminated by null entries
2659  *
2660  * Compares the modelname or PCI subsystem id of the current codec with the
2661  * given configuration table.  If a matching entry is found, returns its
2662  * config value (supposed to be 0 or positive).
2663  *
2664  * If no entries are matching, the function returns a negative value.
2665  */
2666 int snd_hda_check_board_config(struct hda_codec *codec,
2667                                int num_configs, const char **models,
2668                                const struct snd_pci_quirk *tbl)
2669 {
2670         if (codec->modelname && models) {
2671                 int i;
2672                 for (i = 0; i < num_configs; i++) {
2673                         if (models[i] &&
2674                             !strcmp(codec->modelname, models[i])) {
2675                                 snd_printd(KERN_INFO "hda_codec: model '%s' is "
2676                                            "selected\n", models[i]);
2677                                 return i;
2678                         }
2679                 }
2680         }
2681
2682         if (!codec->bus->pci || !tbl)
2683                 return -1;
2684
2685         tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl);
2686         if (!tbl)
2687                 return -1;
2688         if (tbl->value >= 0 && tbl->value < num_configs) {
2689 #ifdef CONFIG_SND_DEBUG_VERBOSE
2690                 char tmp[10];
2691                 const char *model = NULL;
2692                 if (models)
2693                         model = models[tbl->value];
2694                 if (!model) {
2695                         sprintf(tmp, "#%d", tbl->value);
2696                         model = tmp;
2697                 }
2698                 snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
2699                             "for config %x:%x (%s)\n",
2700                             model, tbl->subvendor, tbl->subdevice,
2701                             (tbl->name ? tbl->name : "Unknown device"));
2702 #endif
2703                 return tbl->value;
2704         }
2705         return -1;
2706 }
2707 EXPORT_SYMBOL_HDA(snd_hda_check_board_config);
2708
2709 /**
2710  * snd_hda_add_new_ctls - create controls from the array
2711  * @codec: the HDA codec
2712  * @knew: the array of struct snd_kcontrol_new
2713  *
2714  * This helper function creates and add new controls in the given array.
2715  * The array must be terminated with an empty entry as terminator.
2716  *
2717  * Returns 0 if successful, or a negative error code.
2718  */
2719 int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
2720 {
2721         int err;
2722
2723         for (; knew->name; knew++) {
2724                 struct snd_kcontrol *kctl;
2725                 kctl = snd_ctl_new1(knew, codec);
2726                 if (!kctl)
2727                         return -ENOMEM;
2728                 err = snd_hda_ctl_add(codec, kctl);
2729                 if (err < 0) {
2730                         if (!codec->addr)
2731                                 return err;
2732                         kctl = snd_ctl_new1(knew, codec);
2733                         if (!kctl)
2734                                 return -ENOMEM;
2735                         kctl->id.device = codec->addr;
2736                         err = snd_hda_ctl_add(codec, kctl);
2737                         if (err < 0)
2738                                 return err;
2739                 }
2740         }
2741         return 0;
2742 }
2743 EXPORT_SYMBOL_HDA(snd_hda_add_new_ctls);
2744
2745 #ifdef CONFIG_SND_HDA_POWER_SAVE
2746 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2747                                 unsigned int power_state);
2748
2749 static void hda_power_work(struct work_struct *work)
2750 {
2751         struct hda_codec *codec =
2752                 container_of(work, struct hda_codec, power_work.work);
2753         struct hda_bus *bus = codec->bus;
2754
2755         if (!codec->power_on || codec->power_count) {
2756                 codec->power_transition = 0;
2757                 return;
2758         }
2759
2760         hda_call_codec_suspend(codec);
2761         if (bus->ops.pm_notify)
2762                 bus->ops.pm_notify(bus);
2763 }
2764
2765 static void hda_keep_power_on(struct hda_codec *codec)
2766 {
2767         codec->power_count++;
2768         codec->power_on = 1;
2769 }
2770
2771 void snd_hda_power_up(struct hda_codec *codec)
2772 {
2773         struct hda_bus *bus = codec->bus;
2774
2775         codec->power_count++;
2776         if (codec->power_on || codec->power_transition)
2777                 return;
2778
2779         codec->power_on = 1;
2780         if (bus->ops.pm_notify)
2781                 bus->ops.pm_notify(bus);
2782         hda_call_codec_resume(codec);
2783         cancel_delayed_work(&codec->power_work);
2784         codec->power_transition = 0;
2785 }
2786 EXPORT_SYMBOL_HDA(snd_hda_power_up);
2787
2788 #define power_save(codec)       \
2789         ((codec)->bus->power_save ? *(codec)->bus->power_save : 0)
2790
2791 #define power_save(codec)       \
2792         ((codec)->bus->power_save ? *(codec)->bus->power_save : 0)
2793
2794 void snd_hda_power_down(struct hda_codec *codec)
2795 {
2796         --codec->power_count;
2797         if (!codec->power_on || codec->power_count || codec->power_transition)
2798                 return;
2799         if (power_save(codec)) {
2800                 codec->power_transition = 1; /* avoid reentrance */
2801                 schedule_delayed_work(&codec->power_work,
2802                                 msecs_to_jiffies(power_save(codec) * 1000));
2803         }
2804 }
2805 EXPORT_SYMBOL_HDA(snd_hda_power_down);
2806
2807 int snd_hda_check_amp_list_power(struct hda_codec *codec,
2808                                  struct hda_loopback_check *check,
2809                                  hda_nid_t nid)
2810 {
2811         struct hda_amp_list *p;
2812         int ch, v;
2813
2814         if (!check->amplist)
2815                 return 0;
2816         for (p = check->amplist; p->nid; p++) {
2817                 if (p->nid == nid)
2818                         break;
2819         }
2820         if (!p->nid)
2821                 return 0; /* nothing changed */
2822
2823         for (p = check->amplist; p->nid; p++) {
2824                 for (ch = 0; ch < 2; ch++) {
2825                         v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
2826                                                    p->idx);
2827                         if (!(v & HDA_AMP_MUTE) && v > 0) {
2828                                 if (!check->power_on) {
2829                                         check->power_on = 1;
2830                                         snd_hda_power_up(codec);
2831                                 }
2832                                 return 1;
2833                         }
2834                 }
2835         }
2836         if (check->power_on) {
2837                 check->power_on = 0;
2838                 snd_hda_power_down(codec);
2839         }
2840         return 0;
2841 }
2842 EXPORT_SYMBOL_HDA(snd_hda_check_amp_list_power);
2843 #endif
2844
2845 /*
2846  * Channel mode helper
2847  */
2848 int snd_hda_ch_mode_info(struct hda_codec *codec,
2849                          struct snd_ctl_elem_info *uinfo,
2850                          const struct hda_channel_mode *chmode,
2851                          int num_chmodes)
2852 {
2853         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2854         uinfo->count = 1;
2855         uinfo->value.enumerated.items = num_chmodes;
2856         if (uinfo->value.enumerated.item >= num_chmodes)
2857                 uinfo->value.enumerated.item = num_chmodes - 1;
2858         sprintf(uinfo->value.enumerated.name, "%dch",
2859                 chmode[uinfo->value.enumerated.item].channels);
2860         return 0;
2861 }
2862 EXPORT_SYMBOL_HDA(snd_hda_ch_mode_info);
2863
2864 int snd_hda_ch_mode_get(struct hda_codec *codec,
2865                         struct snd_ctl_elem_value *ucontrol,
2866                         const struct hda_channel_mode *chmode,
2867                         int num_chmodes,
2868                         int max_channels)
2869 {
2870         int i;
2871
2872         for (i = 0; i < num_chmodes; i++) {
2873                 if (max_channels == chmode[i].channels) {
2874                         ucontrol->value.enumerated.item[0] = i;
2875                         break;
2876                 }
2877         }
2878         return 0;
2879 }
2880 EXPORT_SYMBOL_HDA(snd_hda_ch_mode_get);
2881
2882 int snd_hda_ch_mode_put(struct hda_codec *codec,
2883                         struct snd_ctl_elem_value *ucontrol,
2884                         const struct hda_channel_mode *chmode,
2885                         int num_chmodes,
2886                         int *max_channelsp)
2887 {
2888         unsigned int mode;
2889
2890         mode = ucontrol->value.enumerated.item[0];
2891         if (mode >= num_chmodes)
2892                 return -EINVAL;
2893         if (*max_channelsp == chmode[mode].channels)
2894                 return 0;
2895         /* change the current channel setting */
2896         *max_channelsp = chmode[mode].channels;
2897         if (chmode[mode].sequence)
2898                 snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
2899         return 1;
2900 }
2901 EXPORT_SYMBOL_HDA(snd_hda_ch_mode_put);
2902
2903 /*
2904  * input MUX helper
2905  */
2906 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
2907                            struct snd_ctl_elem_info *uinfo)
2908 {
2909         unsigned int index;
2910
2911         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2912         uinfo->count = 1;
2913         uinfo->value.enumerated.items = imux->num_items;
2914         if (!imux->num_items)
2915                 return 0;
2916         index = uinfo->value.enumerated.item;
2917         if (index >= imux->num_items)
2918                 index = imux->num_items - 1;
2919         strcpy(uinfo->value.enumerated.name, imux->items[index].label);
2920         return 0;
2921 }
2922 EXPORT_SYMBOL_HDA(snd_hda_input_mux_info);
2923
2924 int snd_hda_input_mux_put(struct hda_codec *codec,
2925                           const struct hda_input_mux *imux,
2926                           struct snd_ctl_elem_value *ucontrol,
2927                           hda_nid_t nid,
2928                           unsigned int *cur_val)
2929 {
2930         unsigned int idx;
2931
2932         if (!imux->num_items)
2933                 return 0;
2934         idx = ucontrol->value.enumerated.item[0];
2935         if (idx >= imux->num_items)
2936                 idx = imux->num_items - 1;
2937         if (*cur_val == idx)
2938                 return 0;
2939         snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
2940                                   imux->items[idx].index);
2941         *cur_val = idx;
2942         return 1;
2943 }
2944 EXPORT_SYMBOL_HDA(snd_hda_input_mux_put);
2945
2946
2947 /*
2948  * Multi-channel / digital-out PCM helper functions
2949  */
2950
2951 /* setup SPDIF output stream */
2952 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
2953                                  unsigned int stream_tag, unsigned int format)
2954 {
2955         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2956         if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
2957                 set_dig_out_convert(codec, nid,
2958                                     codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff,
2959                                     -1);
2960         snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
2961         if (codec->slave_dig_outs) {
2962                 hda_nid_t *d;
2963                 for (d = codec->slave_dig_outs; *d; d++)
2964                         snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
2965                                                    format);
2966         }
2967         /* turn on again (if needed) */
2968         if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
2969                 set_dig_out_convert(codec, nid,
2970                                     codec->spdif_ctls & 0xff, -1);
2971 }
2972
2973 static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
2974 {
2975         snd_hda_codec_cleanup_stream(codec, nid);
2976         if (codec->slave_dig_outs) {
2977                 hda_nid_t *d;
2978                 for (d = codec->slave_dig_outs; *d; d++)
2979                         snd_hda_codec_cleanup_stream(codec, *d);
2980         }
2981 }
2982
2983 /*
2984  * open the digital out in the exclusive mode
2985  */
2986 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
2987                                struct hda_multi_out *mout)
2988 {
2989         mutex_lock(&codec->spdif_mutex);
2990         if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
2991                 /* already opened as analog dup; reset it once */
2992                 cleanup_dig_out_stream(codec, mout->dig_out_nid);
2993         mout->dig_out_used = HDA_DIG_EXCLUSIVE;
2994         mutex_unlock(&codec->spdif_mutex);
2995         return 0;
2996 }
2997 EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_open);
2998
2999 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
3000                                   struct hda_multi_out *mout,
3001                                   unsigned int stream_tag,
3002                                   unsigned int format,
3003                                   struct snd_pcm_substream *substream)
3004 {
3005         mutex_lock(&codec->spdif_mutex);
3006         setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
3007         mutex_unlock(&codec->spdif_mutex);
3008         return 0;
3009 }
3010 EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_prepare);
3011
3012 /*
3013  * release the digital out
3014  */
3015 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
3016                                 struct hda_multi_out *mout)
3017 {
3018         mutex_lock(&codec->spdif_mutex);
3019         mout->dig_out_used = 0;
3020         mutex_unlock(&codec->spdif_mutex);
3021         return 0;
3022 }
3023 EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_close);
3024
3025 /*
3026  * set up more restrictions for analog out
3027  */
3028 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
3029                                   struct hda_multi_out *mout,
3030                                   struct snd_pcm_substream *substream,
3031                                   struct hda_pcm_stream *hinfo)
3032 {
3033         struct snd_pcm_runtime *runtime = substream->runtime;
3034         runtime->hw.channels_max = mout->max_channels;
3035         if (mout->dig_out_nid) {
3036                 if (!mout->analog_rates) {
3037                         mout->analog_rates = hinfo->rates;
3038                         mout->analog_formats = hinfo->formats;
3039                         mout->analog_maxbps = hinfo->maxbps;
3040                 } else {
3041                         runtime->hw.rates = mout->analog_rates;
3042                         runtime->hw.formats = mout->analog_formats;
3043                         hinfo->maxbps = mout->analog_maxbps;
3044                 }
3045                 if (!mout->spdif_rates) {
3046                         snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
3047                                                     &mout->spdif_rates,
3048                                                     &mout->spdif_formats,
3049                                                     &mout->spdif_maxbps);
3050                 }
3051                 mutex_lock(&codec->spdif_mutex);
3052                 if (mout->share_spdif) {
3053                         runtime->hw.rates &= mout->spdif_rates;
3054                         runtime->hw.formats &= mout->spdif_formats;
3055                         if (mout->spdif_maxbps < hinfo->maxbps)
3056                                 hinfo->maxbps = mout->spdif_maxbps;
3057                 }
3058                 mutex_unlock(&codec->spdif_mutex);
3059         }
3060         return snd_pcm_hw_constraint_step(substream->runtime, 0,
3061                                           SNDRV_PCM_HW_PARAM_CHANNELS, 2);
3062 }
3063 EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_open);
3064
3065 /*
3066  * set up the i/o for analog out
3067  * when the digital out is available, copy the front out to digital out, too.
3068  */
3069 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
3070                                      struct hda_multi_out *mout,
3071                                      unsigned int stream_tag,
3072                                      unsigned int format,
3073                                      struct snd_pcm_substream *substream)
3074 {
3075         hda_nid_t *nids = mout->dac_nids;
3076         int chs = substream->runtime->channels;
3077         int i;
3078
3079         mutex_lock(&codec->spdif_mutex);
3080         if (mout->dig_out_nid && mout->share_spdif &&
3081             mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
3082                 if (chs == 2 &&
3083                     snd_hda_is_supported_format(codec, mout->dig_out_nid,
3084                                                 format) &&
3085                     !(codec->spdif_status & IEC958_AES0_NONAUDIO)) {
3086                         mout->dig_out_used = HDA_DIG_ANALOG_DUP;
3087                         setup_dig_out_stream(codec, mout->dig_out_nid,
3088                                              stream_tag, format);
3089                 } else {
3090                         mout->dig_out_used = 0;
3091                         cleanup_dig_out_stream(codec, mout->dig_out_nid);
3092                 }
3093         }
3094         mutex_unlock(&codec->spdif_mutex);
3095
3096         /* front */
3097         snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
3098                                    0, format);
3099         if (!mout->no_share_stream &&
3100             mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
3101                 /* headphone out will just decode front left/right (stereo) */
3102                 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
3103                                            0, format);
3104         /* extra outputs copied from front */
3105         for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
3106                 if (!mout->no_share_stream && mout->extra_out_nid[i])
3107                         snd_hda_codec_setup_stream(codec,
3108                                                    mout->extra_out_nid[i],
3109                                                    stream_tag, 0, format);
3110
3111         /* surrounds */
3112         for (i = 1; i < mout->num_dacs; i++) {
3113                 if (chs >= (i + 1) * 2) /* independent out */
3114                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3115                                                    i * 2, format);
3116                 else if (!mout->no_share_stream) /* copy front */
3117                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3118                                                    0, format);
3119         }
3120         return 0;
3121 }
3122 EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_prepare);
3123
3124 /*
3125  * clean up the setting for analog out
3126  */
3127 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
3128                                      struct hda_multi_out *mout)
3129 {
3130         hda_nid_t *nids = mout->dac_nids;
3131         int i;
3132
3133         for (i = 0; i < mout->num_dacs; i++)
3134                 snd_hda_codec_cleanup_stream(codec, nids[i]);
3135         if (mout->hp_nid)
3136                 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
3137         for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
3138                 if (mout->extra_out_nid[i])
3139                         snd_hda_codec_cleanup_stream(codec,
3140                                                      mout->extra_out_nid[i]);
3141         mutex_lock(&codec->spdif_mutex);
3142         if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
3143                 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3144                 mout->dig_out_used = 0;
3145         }
3146         mutex_unlock(&codec->spdif_mutex);
3147         return 0;
3148 }
3149 EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_cleanup);
3150
3151 /*
3152  * Helper for automatic pin configuration
3153  */
3154
3155 static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list)
3156 {
3157         for (; *list; list++)
3158                 if (*list == nid)
3159                         return 1;
3160         return 0;
3161 }
3162
3163
3164 /*
3165  * Sort an associated group of pins according to their sequence numbers.
3166  */
3167 static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences,
3168                                   int num_pins)
3169 {
3170         int i, j;
3171         short seq;
3172         hda_nid_t nid;
3173
3174         for (i = 0; i < num_pins; i++) {
3175                 for (j = i + 1; j < num_pins; j++) {
3176                         if (sequences[i] > sequences[j]) {
3177                                 seq = sequences[i];
3178                                 sequences[i] = sequences[j];
3179                                 sequences[j] = seq;
3180                                 nid = pins[i];
3181                                 pins[i] = pins[j];
3182                                 pins[j] = nid;
3183                         }
3184                 }
3185         }
3186 }
3187
3188
3189 /*
3190  * Parse all pin widgets and store the useful pin nids to cfg
3191  *
3192  * The number of line-outs or any primary output is stored in line_outs,
3193  * and the corresponding output pins are assigned to line_out_pins[],
3194  * in the order of front, rear, CLFE, side, ...
3195  *
3196  * If more extra outputs (speaker and headphone) are found, the pins are
3197  * assisnged to hp_pins[] and speaker_pins[], respectively.  If no line-out jack
3198  * is detected, one of speaker of HP pins is assigned as the primary
3199  * output, i.e. to line_out_pins[0].  So, line_outs is always positive
3200  * if any analog output exists.
3201  *
3202  * The analog input pins are assigned to input_pins array.
3203  * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
3204  * respectively.
3205  */
3206 int snd_hda_parse_pin_def_config(struct hda_codec *codec,
3207                                  struct auto_pin_cfg *cfg,
3208                                  hda_nid_t *ignore_nids)
3209 {
3210         hda_nid_t nid, end_nid;
3211         short seq, assoc_line_out, assoc_speaker;
3212         short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)];
3213         short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)];
3214         short sequences_hp[ARRAY_SIZE(cfg->hp_pins)];
3215
3216         memset(cfg, 0, sizeof(*cfg));
3217
3218         memset(sequences_line_out, 0, sizeof(sequences_line_out));
3219         memset(sequences_speaker, 0, sizeof(sequences_speaker));
3220         memset(sequences_hp, 0, sizeof(sequences_hp));
3221         assoc_line_out = assoc_speaker = 0;
3222
3223         end_nid = codec->start_nid + codec->num_nodes;
3224         for (nid = codec->start_nid; nid < end_nid; nid++) {
3225                 unsigned int wid_caps = get_wcaps(codec, nid);
3226                 unsigned int wid_type =
3227                         (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
3228                 unsigned int def_conf;
3229                 short assoc, loc;
3230
3231                 /* read all default configuration for pin complex */
3232                 if (wid_type != AC_WID_PIN)
3233                         continue;
3234                 /* ignore the given nids (e.g. pc-beep returns error) */
3235                 if (ignore_nids && is_in_nid_list(nid, ignore_nids))
3236                         continue;
3237
3238                 def_conf = snd_hda_codec_read(codec, nid, 0,
3239                                               AC_VERB_GET_CONFIG_DEFAULT, 0);
3240                 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
3241                         continue;
3242                 loc = get_defcfg_location(def_conf);
3243                 switch (get_defcfg_device(def_conf)) {
3244                 case AC_JACK_LINE_OUT:
3245                         seq = get_defcfg_sequence(def_conf);
3246                         assoc = get_defcfg_association(def_conf);
3247
3248                         if (!(wid_caps & AC_WCAP_STEREO))
3249                                 if (!cfg->mono_out_pin)
3250                                         cfg->mono_out_pin = nid;
3251                         if (!assoc)
3252                                 continue;
3253                         if (!assoc_line_out)
3254                                 assoc_line_out = assoc;
3255                         else if (assoc_line_out != assoc)
3256                                 continue;
3257                         if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
3258                                 continue;
3259                         cfg->line_out_pins[cfg->line_outs] = nid;
3260                         sequences_line_out[cfg->line_outs] = seq;
3261                         cfg->line_outs++;
3262                         break;
3263                 case AC_JACK_SPEAKER:
3264                         seq = get_defcfg_sequence(def_conf);
3265                         assoc = get_defcfg_association(def_conf);
3266                         if (! assoc)
3267                                 continue;
3268                         if (! assoc_speaker)
3269                                 assoc_speaker = assoc;
3270                         else if (assoc_speaker != assoc)
3271                                 continue;
3272                         if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
3273                                 continue;
3274                         cfg->speaker_pins[cfg->speaker_outs] = nid;
3275                         sequences_speaker[cfg->speaker_outs] = seq;
3276                         cfg->speaker_outs++;
3277                         break;
3278                 case AC_JACK_HP_OUT:
3279                         seq = get_defcfg_sequence(def_conf);
3280                         assoc = get_defcfg_association(def_conf);
3281                         if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
3282                                 continue;
3283                         cfg->hp_pins[cfg->hp_outs] = nid;
3284                         sequences_hp[cfg->hp_outs] = (assoc << 4) | seq;
3285                         cfg->hp_outs++;
3286                         break;
3287                 case AC_JACK_MIC_IN: {
3288                         int preferred, alt;
3289                         if (loc == AC_JACK_LOC_FRONT) {
3290                                 preferred = AUTO_PIN_FRONT_MIC;
3291                                 alt = AUTO_PIN_MIC;
3292                         } else {
3293                                 preferred = AUTO_PIN_MIC;
3294                                 alt = AUTO_PIN_FRONT_MIC;
3295                         }
3296                         if (!cfg->input_pins[preferred])
3297                                 cfg->input_pins[preferred] = nid;
3298                         else if (!cfg->input_pins[alt])
3299                                 cfg->input_pins[alt] = nid;
3300                         break;
3301                 }
3302                 case AC_JACK_LINE_IN:
3303                         if (loc == AC_JACK_LOC_FRONT)
3304                                 cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
3305                         else
3306                                 cfg->input_pins[AUTO_PIN_LINE] = nid;
3307                         break;
3308                 case AC_JACK_CD:
3309                         cfg->input_pins[AUTO_PIN_CD] = nid;
3310                         break;
3311                 case AC_JACK_AUX:
3312                         cfg->input_pins[AUTO_PIN_AUX] = nid;
3313                         break;
3314                 case AC_JACK_SPDIF_OUT:
3315                         cfg->dig_out_pin = nid;
3316                         break;
3317                 case AC_JACK_SPDIF_IN:
3318                         cfg->dig_in_pin = nid;
3319                         break;
3320                 }
3321         }
3322
3323         /* FIX-UP:
3324          * If no line-out is defined but multiple HPs are found,
3325          * some of them might be the real line-outs.
3326          */
3327         if (!cfg->line_outs && cfg->hp_outs > 1) {
3328                 int i = 0;
3329                 while (i < cfg->hp_outs) {
3330                         /* The real HPs should have the sequence 0x0f */
3331                         if ((sequences_hp[i] & 0x0f) == 0x0f) {
3332                                 i++;
3333                                 continue;
3334                         }
3335                         /* Move it to the line-out table */
3336                         cfg->line_out_pins[cfg->line_outs] = cfg->hp_pins[i];
3337                         sequences_line_out[cfg->line_outs] = sequences_hp[i];
3338                         cfg->line_outs++;
3339                         cfg->hp_outs--;
3340                         memmove(cfg->hp_pins + i, cfg->hp_pins + i + 1,
3341                                 sizeof(cfg->hp_pins[0]) * (cfg->hp_outs - i));
3342                         memmove(sequences_hp + i - 1, sequences_hp + i,
3343                                 sizeof(sequences_hp[0]) * (cfg->hp_outs - i));
3344                 }
3345         }
3346
3347         /* sort by sequence */
3348         sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out,
3349                               cfg->line_outs);
3350         sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker,
3351                               cfg->speaker_outs);
3352         sort_pins_by_sequence(cfg->hp_pins, sequences_hp,
3353                               cfg->hp_outs);
3354
3355         /* if we have only one mic, make it AUTO_PIN_MIC */
3356         if (!cfg->input_pins[AUTO_PIN_MIC] &&
3357             cfg->input_pins[AUTO_PIN_FRONT_MIC]) {
3358                 cfg->input_pins[AUTO_PIN_MIC] =
3359                         cfg->input_pins[AUTO_PIN_FRONT_MIC];
3360                 cfg->input_pins[AUTO_PIN_FRONT_MIC] = 0;
3361         }
3362         /* ditto for line-in */
3363         if (!cfg->input_pins[AUTO_PIN_LINE] &&
3364             cfg->input_pins[AUTO_PIN_FRONT_LINE]) {
3365                 cfg->input_pins[AUTO_PIN_LINE] =
3366                         cfg->input_pins[AUTO_PIN_FRONT_LINE];
3367                 cfg->input_pins[AUTO_PIN_FRONT_LINE] = 0;
3368         }
3369
3370         /*
3371          * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
3372          * as a primary output
3373          */
3374         if (!cfg->line_outs) {
3375                 if (cfg->speaker_outs) {
3376                         cfg->line_outs = cfg->speaker_outs;
3377                         memcpy(cfg->line_out_pins, cfg->speaker_pins,
3378                                sizeof(cfg->speaker_pins));
3379                         cfg->speaker_outs = 0;
3380                         memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
3381                         cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
3382                 } else if (cfg->hp_outs) {
3383                         cfg->line_outs = cfg->hp_outs;
3384                         memcpy(cfg->line_out_pins, cfg->hp_pins,
3385                                sizeof(cfg->hp_pins));
3386                         cfg->hp_outs = 0;
3387                         memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
3388                         cfg->line_out_type = AUTO_PIN_HP_OUT;
3389                 }
3390         }
3391
3392         /* Reorder the surround channels
3393          * ALSA sequence is front/surr/clfe/side
3394          * HDA sequence is:
3395          *    4-ch: front/surr  =>  OK as it is
3396          *    6-ch: front/clfe/surr
3397          *    8-ch: front/clfe/rear/side|fc
3398          */
3399         switch (cfg->line_outs) {
3400         case 3:
3401         case 4:
3402                 nid = cfg->line_out_pins[1];
3403                 cfg->line_out_pins[1] = cfg->line_out_pins[2];
3404                 cfg->line_out_pins[2] = nid;
3405                 break;
3406         }
3407
3408         /*
3409          * debug prints of the parsed results
3410          */
3411         snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3412                    cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
3413                    cfg->line_out_pins[2], cfg->line_out_pins[3],
3414                    cfg->line_out_pins[4]);
3415         snd_printd("   speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3416                    cfg->speaker_outs, cfg->speaker_pins[0],
3417                    cfg->speaker_pins[1], cfg->speaker_pins[2],
3418                    cfg->speaker_pins[3], cfg->speaker_pins[4]);
3419         snd_printd("   hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3420                    cfg->hp_outs, cfg->hp_pins[0],
3421                    cfg->hp_pins[1], cfg->hp_pins[2],
3422                    cfg->hp_pins[3], cfg->hp_pins[4]);
3423         snd_printd("   mono: mono_out=0x%x\n", cfg->mono_out_pin);
3424         snd_printd("   inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
3425                    " cd=0x%x, aux=0x%x\n",
3426                    cfg->input_pins[AUTO_PIN_MIC],
3427                    cfg->input_pins[AUTO_PIN_FRONT_MIC],
3428                    cfg->input_pins[AUTO_PIN_LINE],
3429                    cfg->input_pins[AUTO_PIN_FRONT_LINE],
3430                    cfg->input_pins[AUTO_PIN_CD],
3431                    cfg->input_pins[AUTO_PIN_AUX]);
3432
3433         return 0;
3434 }
3435 EXPORT_SYMBOL_HDA(snd_hda_parse_pin_def_config);
3436
3437 /* labels for input pins */
3438 const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
3439         "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
3440 };
3441 EXPORT_SYMBOL_HDA(auto_pin_cfg_labels);
3442
3443
3444 #ifdef CONFIG_PM
3445 /*
3446  * power management
3447  */
3448
3449 /**
3450  * snd_hda_suspend - suspend the codecs
3451  * @bus: the HDA bus
3452  * @state: suspsend state
3453  *
3454  * Returns 0 if successful.
3455  */
3456 int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
3457 {
3458         struct hda_codec *codec;
3459
3460         list_for_each_entry(codec, &bus->codec_list, list) {
3461 #ifdef CONFIG_SND_HDA_POWER_SAVE
3462                 if (!codec->power_on)
3463                         continue;
3464 #endif
3465                 hda_call_codec_suspend(codec);
3466         }
3467         return 0;
3468 }
3469 EXPORT_SYMBOL_HDA(snd_hda_suspend);
3470
3471 /**
3472  * snd_hda_resume - resume the codecs
3473  * @bus: the HDA bus
3474  *
3475  * Returns 0 if successful.
3476  *
3477  * This fucntion is defined only when POWER_SAVE isn't set.
3478  * In the power-save mode, the codec is resumed dynamically.
3479  */
3480 int snd_hda_resume(struct hda_bus *bus)
3481 {
3482         struct hda_codec *codec;
3483
3484         list_for_each_entry(codec, &bus->codec_list, list) {
3485                 if (snd_hda_codec_needs_resume(codec))
3486                         hda_call_codec_resume(codec);
3487         }
3488         return 0;
3489 }
3490 EXPORT_SYMBOL_HDA(snd_hda_resume);
3491 #endif /* CONFIG_PM */
3492
3493 /*
3494  * generic arrays
3495  */
3496
3497 /* get a new element from the given array
3498  * if it exceeds the pre-allocated array size, re-allocate the array
3499  */
3500 void *snd_array_new(struct snd_array *array)
3501 {
3502         if (array->used >= array->alloced) {
3503                 int num = array->alloced + array->alloc_align;
3504                 void *nlist;
3505                 if (snd_BUG_ON(num >= 4096))
3506                         return NULL;
3507                 nlist = kcalloc(num + 1, array->elem_size, GFP_KERNEL);
3508                 if (!nlist)
3509                         return NULL;
3510                 if (array->list) {
3511                         memcpy(nlist, array->list,
3512                                array->elem_size * array->alloced);
3513                         kfree(array->list);
3514                 }
3515                 array->list = nlist;
3516                 array->alloced = num;
3517         }
3518         return snd_array_elem(array, array->used++);
3519 }
3520 EXPORT_SYMBOL_HDA(snd_array_new);
3521
3522 /* free the given array elements */
3523 void snd_array_free(struct snd_array *array)
3524 {
3525         kfree(array->list);
3526         array->used = 0;
3527         array->alloced = 0;
3528         array->list = NULL;
3529 }
3530 EXPORT_SYMBOL_HDA(snd_array_free);
3531
3532 /*
3533  * used by hda_proc.c and hda_eld.c
3534  */
3535 void snd_print_pcm_rates(int pcm, char *buf, int buflen)
3536 {
3537         static unsigned int rates[] = {
3538                 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
3539                 96000, 176400, 192000, 384000
3540         };
3541         int i, j;
3542
3543         for (i = 0, j = 0; i < ARRAY_SIZE(rates); i++)
3544                 if (pcm & (1 << i))
3545                         j += snprintf(buf + j, buflen - j,  " %d", rates[i]);
3546
3547         buf[j] = '\0'; /* necessary when j == 0 */
3548 }
3549 EXPORT_SYMBOL_HDA(snd_print_pcm_rates);
3550
3551 void snd_print_pcm_bits(int pcm, char *buf, int buflen)
3552 {
3553         static unsigned int bits[] = { 8, 16, 20, 24, 32 };
3554         int i, j;
3555
3556         for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++)
3557                 if (pcm & (AC_SUPPCM_BITS_8 << i))
3558                         j += snprintf(buf + j, buflen - j,  " %d", bits[i]);
3559
3560         buf[j] = '\0'; /* necessary when j == 0 */
3561 }
3562 EXPORT_SYMBOL_HDA(snd_print_pcm_bits);
3563
3564 MODULE_DESCRIPTION("HDA codec core");
3565 MODULE_LICENSE("GPL");