sound/pci/hda/hda_codec.c

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