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[ALSA] hda-codec - Check value range in ctl callbacks
[deliverable/linux.git] / sound / pci / hda / hda_codec.c
CommitLineData
1da177e4
LT		 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>
62932df8 27#include <linux/mutex.h>
1da177e4
LT		 28#include <sound/core.h>
29#include "hda_codec.h"
30#include <sound/asoundef.h>
302e9c5a 31#include <sound/tlv.h>
1da177e4
LT		 32#include <sound/initval.h>
33#include "hda_local.h"
2807314d 34#include <sound/hda_hwdep.h>
1da177e4 35
cb53c626
TI		 36#ifdef CONFIG_SND_HDA_POWER_SAVE
37/* define this option here to hide as static */
7a5a27cf 38static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
cb53c626
TI		 39module_param(power_save, int, 0644);
40MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
41 "(in second, 0 = disable).");
42#endif
1da177e4 43
1da177e4
LT		 44/*
45 * vendor / preset table
46 */
47
48struct hda_vendor_id {
49 unsigned int id;
50 const char *name;
51};
52
53/* codec vendor labels */
54static struct hda_vendor_id hda_vendor_ids[] = {
55 { 0x10ec, "Realtek" },
a9226251 56 { 0x1057, "Motorola" },
c577b8a1 57 { 0x1106, "VIA" },
7f16859a 58 { 0x111d, "IDT" },
54b903ec 59 { 0x11d4, "Analog Devices" },
1da177e4 60 { 0x13f6, "C-Media" },
a9226251 61 { 0x14f1, "Conexant" },
1da177e4 62 { 0x434d, "C-Media" },
2f2f4251 63 { 0x8384, "SigmaTel" },
1da177e4
LT		 64 {} /* terminator */
65};
66
67/* codec presets */
68#include "hda_patch.h"
69
70
cb53c626
TI		 71#ifdef CONFIG_SND_HDA_POWER_SAVE
72static void hda_power_work(struct work_struct *work);
73static void hda_keep_power_on(struct hda_codec *codec);
74#else
75static inline void hda_keep_power_on(struct hda_codec *codec) {}
76#endif
77
1da177e4
LT		 78/**
79 * snd_hda_codec_read - send a command and get the response
80 * @codec: the HDA codec
81 * @nid: NID to send the command
82 * @direct: direct flag
83 * @verb: the verb to send
84 * @parm: the parameter for the verb
85 *
86 * Send a single command and read the corresponding response.
87 *
88 * Returns the obtained response value, or -1 for an error.
89 */
0ba21762
TI		 90unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
91 int direct,
1da177e4
LT		 92 unsigned int verb, unsigned int parm)
93{
94 unsigned int res;
cb53c626 95 snd_hda_power_up(codec);
62932df8 96 mutex_lock(&codec->bus->cmd_mutex);
0ba21762 97 if (!codec->bus->ops.command(codec, nid, direct, verb, parm))
1da177e4
LT		 98 res = codec->bus->ops.get_response(codec);
99 else
100 res = (unsigned int)-1;
62932df8 101 mutex_unlock(&codec->bus->cmd_mutex);
cb53c626 102 snd_hda_power_down(codec);
1da177e4
LT		 103 return res;
104}
105
106/**
107 * snd_hda_codec_write - send a single command without waiting for response
108 * @codec: the HDA codec
109 * @nid: NID to send the command
110 * @direct: direct flag
111 * @verb: the verb to send
112 * @parm: the parameter for the verb
113 *
114 * Send a single command without waiting for response.
115 *
116 * Returns 0 if successful, or a negative error code.
117 */
118int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
119 unsigned int verb, unsigned int parm)
120{
121 int err;
cb53c626 122 snd_hda_power_up(codec);
62932df8 123 mutex_lock(&codec->bus->cmd_mutex);
1da177e4 124 err = codec->bus->ops.command(codec, nid, direct, verb, parm);
62932df8 125 mutex_unlock(&codec->bus->cmd_mutex);
cb53c626 126 snd_hda_power_down(codec);
1da177e4
LT		 127 return err;
128}
129
130/**
131 * snd_hda_sequence_write - sequence writes
132 * @codec: the HDA codec
133 * @seq: VERB array to send
134 *
135 * Send the commands sequentially from the given array.
136 * The array must be terminated with NID=0.
137 */
138void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
139{
140 for (; seq->nid; seq++)
141 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
142}
143
144/**
145 * snd_hda_get_sub_nodes - get the range of sub nodes
146 * @codec: the HDA codec
147 * @nid: NID to parse
148 * @start_id: the pointer to store the start NID
149 *
150 * Parse the NID and store the start NID of its sub-nodes.
151 * Returns the number of sub-nodes.
152 */
0ba21762
TI		 153int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
154 hda_nid_t *start_id)
1da177e4
LT		 155{
156 unsigned int parm;
157
158 parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
e8a7f136
DT		 159 if (parm == -1)
160 return 0;
1da177e4
LT		 161 *start_id = (parm >> 16) & 0x7fff;
162 return (int)(parm & 0x7fff);
163}
164
165/**
166 * snd_hda_get_connections - get connection list
167 * @codec: the HDA codec
168 * @nid: NID to parse
169 * @conn_list: connection list array
170 * @max_conns: max. number of connections to store
171 *
172 * Parses the connection list of the given widget and stores the list
173 * of NIDs.
174 *
175 * Returns the number of connections, or a negative error code.
176 */
177int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
178 hda_nid_t *conn_list, int max_conns)
179{
180 unsigned int parm;
54d17403 181 int i, conn_len, conns;
1da177e4 182 unsigned int shift, num_elems, mask;
54d17403 183 hda_nid_t prev_nid;
1da177e4
LT		 184
185 snd_assert(conn_list && max_conns > 0, return -EINVAL);
186
187 parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN);
188 if (parm & AC_CLIST_LONG) {
189 /* long form */
190 shift = 16;
191 num_elems = 2;
192 } else {
193 /* short form */
194 shift = 8;
195 num_elems = 4;
196 }
197 conn_len = parm & AC_CLIST_LENGTH;
1da177e4
LT		 198 mask = (1 << (shift-1)) - 1;
199
0ba21762 200 if (!conn_len)
1da177e4
LT		 201 return 0; /* no connection */
202
203 if (conn_len == 1) {
204 /* single connection */
0ba21762
TI		 205 parm = snd_hda_codec_read(codec, nid, 0,
206 AC_VERB_GET_CONNECT_LIST, 0);
1da177e4
LT		 207 conn_list[0] = parm & mask;
208 return 1;
209 }
210
211 /* multi connection */
212 conns = 0;
54d17403
TI		 213 prev_nid = 0;
214 for (i = 0; i < conn_len; i++) {
215 int range_val;
216 hda_nid_t val, n;
217
218 if (i % num_elems == 0)
219 parm = snd_hda_codec_read(codec, nid, 0,
220 AC_VERB_GET_CONNECT_LIST, i);
0ba21762 221 range_val = !!(parm & (1 << (shift-1))); /* ranges */
54d17403
TI		 222 val = parm & mask;
223 parm >>= shift;
224 if (range_val) {
225 /* ranges between the previous and this one */
0ba21762
TI		 226 if (!prev_nid || prev_nid >= val) {
227 snd_printk(KERN_WARNING "hda_codec: "
228 "invalid dep_range_val %x:%x\n",
229 prev_nid, val);
54d17403
TI		 230 continue;
231 }
232 for (n = prev_nid + 1; n <= val; n++) {
233 if (conns >= max_conns) {
0ba21762
TI		 234 snd_printk(KERN_ERR
235 "Too many connections\n");
1da177e4 236 return -EINVAL;
54d17403
TI		 237 }
238 conn_list[conns++] = n;
1da177e4 239 }
54d17403
TI		 240 } else {
241 if (conns >= max_conns) {
242 snd_printk(KERN_ERR "Too many connections\n");
243 return -EINVAL;
244 }
245 conn_list[conns++] = val;
1da177e4 246 }
54d17403 247 prev_nid = val;
1da177e4
LT		 248 }
249 return conns;
250}
251
252
253/**
254 * snd_hda_queue_unsol_event - add an unsolicited event to queue
255 * @bus: the BUS
256 * @res: unsolicited event (lower 32bit of RIRB entry)
257 * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
258 *
259 * Adds the given event to the queue. The events are processed in
260 * the workqueue asynchronously. Call this function in the interrupt
261 * hanlder when RIRB receives an unsolicited event.
262 *
263 * Returns 0 if successful, or a negative error code.
264 */
265int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
266{
267 struct hda_bus_unsolicited *unsol;
268 unsigned int wp;
269
0ba21762
TI		 270 unsol = bus->unsol;
271 if (!unsol)
1da177e4
LT		 272 return 0;
273
274 wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
275 unsol->wp = wp;
276
277 wp <<= 1;
278 unsol->queue[wp] = res;
279 unsol->queue[wp + 1] = res_ex;
280
e250af29 281 schedule_work(&unsol->work);
1da177e4
LT		 282
283 return 0;
284}
285
286/*
287 * process queueud unsolicited events
288 */
c4028958 289static void process_unsol_events(struct work_struct *work)
1da177e4 290{
c4028958
DH		 291 struct hda_bus_unsolicited *unsol =
292 container_of(work, struct hda_bus_unsolicited, work);
293 struct hda_bus *bus = unsol->bus;
1da177e4
LT		 294 struct hda_codec *codec;
295 unsigned int rp, caddr, res;
296
297 while (unsol->rp != unsol->wp) {
298 rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE;
299 unsol->rp = rp;
300 rp <<= 1;
301 res = unsol->queue[rp];
302 caddr = unsol->queue[rp + 1];
0ba21762 303 if (!(caddr & (1 << 4))) /* no unsolicited event? */
1da177e4
LT		 304 continue;
305 codec = bus->caddr_tbl[caddr & 0x0f];
306 if (codec && codec->patch_ops.unsol_event)
307 codec->patch_ops.unsol_event(codec, res);
308 }
309}
310
311/*
312 * initialize unsolicited queue
313 */
756e2b01 314static int __devinit init_unsol_queue(struct hda_bus *bus)
1da177e4
LT		 315{
316 struct hda_bus_unsolicited *unsol;
317
9f146bb6
TI		 318 if (bus->unsol) /* already initialized */
319 return 0;
320
e560d8d8 321 unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
0ba21762
TI		 322 if (!unsol) {
323 snd_printk(KERN_ERR "hda_codec: "
324 "can't allocate unsolicited queue\n");
1da177e4
LT		 325 return -ENOMEM;
326 }
c4028958
DH		 327 INIT_WORK(&unsol->work, process_unsol_events);
328 unsol->bus = bus;
1da177e4
LT		 329 bus->unsol = unsol;
330 return 0;
331}
332
333/*
334 * destructor
335 */
336static void snd_hda_codec_free(struct hda_codec *codec);
337
338static int snd_hda_bus_free(struct hda_bus *bus)
339{
0ba21762 340 struct hda_codec *codec, *n;
1da177e4 341
0ba21762 342 if (!bus)
1da177e4
LT		 343 return 0;
344 if (bus->unsol) {
e250af29 345 flush_scheduled_work();
1da177e4
LT		 346 kfree(bus->unsol);
347 }
0ba21762 348 list_for_each_entry_safe(codec, n, &bus->codec_list, list) {
1da177e4
LT		 349 snd_hda_codec_free(codec);
350 }
351 if (bus->ops.private_free)
352 bus->ops.private_free(bus);
353 kfree(bus);
354 return 0;
355}
356
c8b6bf9b 357static int snd_hda_bus_dev_free(struct snd_device *device)
1da177e4
LT		 358{
359 struct hda_bus *bus = device->device_data;
360 return snd_hda_bus_free(bus);
361}
362
363/**
364 * snd_hda_bus_new - create a HDA bus
365 * @card: the card entry
366 * @temp: the template for hda_bus information
367 * @busp: the pointer to store the created bus instance
368 *
369 * Returns 0 if successful, or a negative error code.
370 */
756e2b01
TI		 371int __devinit snd_hda_bus_new(struct snd_card *card,
372 const struct hda_bus_template *temp,
373 struct hda_bus **busp)
1da177e4
LT		 374{
375 struct hda_bus *bus;
376 int err;
c8b6bf9b 377 static struct snd_device_ops dev_ops = {
1da177e4
LT		 378 .dev_free = snd_hda_bus_dev_free,
379 };
380
381 snd_assert(temp, return -EINVAL);
382 snd_assert(temp->ops.command && temp->ops.get_response, return -EINVAL);
383
384 if (busp)
385 *busp = NULL;
386
e560d8d8 387 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1da177e4
LT		 388 if (bus == NULL) {
389 snd_printk(KERN_ERR "can't allocate struct hda_bus\n");
390 return -ENOMEM;
391 }
392
393 bus->card = card;
394 bus->private_data = temp->private_data;
395 bus->pci = temp->pci;
396 bus->modelname = temp->modelname;
397 bus->ops = temp->ops;
398
62932df8 399 mutex_init(&bus->cmd_mutex);
1da177e4
LT		 400 INIT_LIST_HEAD(&bus->codec_list);
401
0ba21762
TI		 402 err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
403 if (err < 0) {
1da177e4
LT		 404 snd_hda_bus_free(bus);
405 return err;
406 }
407 if (busp)
408 *busp = bus;
409 return 0;
410}
411
82467611
TI		 412#ifdef CONFIG_SND_HDA_GENERIC
413#define is_generic_config(codec) \
414 (codec->bus->modelname && !strcmp(codec->bus->modelname, "generic"))
415#else
416#define is_generic_config(codec) 0
417#endif
418
1da177e4
LT		 419/*
420 * find a matching codec preset
421 */
756e2b01
TI		 422static const struct hda_codec_preset __devinit *
423find_codec_preset(struct hda_codec *codec)
1da177e4
LT		 424{
425 const struct hda_codec_preset **tbl, *preset;
426
82467611 427 if (is_generic_config(codec))
d5ad630b
TI		 428 return NULL; /* use the generic parser */
429
1da177e4
LT		 430 for (tbl = hda_preset_tables; *tbl; tbl++) {
431 for (preset = *tbl; preset->id; preset++) {
432 u32 mask = preset->mask;
0ba21762 433 if (!mask)
1da177e4 434 mask = ~0;
9c7f852e 435 if (preset->id == (codec->vendor_id & mask) &&
0ba21762 436 (!preset->rev ||
9c7f852e 437 preset->rev == codec->revision_id))
1da177e4
LT		 438 return preset;
439 }
440 }
441 return NULL;
442}
443
444/*
445 * snd_hda_get_codec_name - store the codec name
446 */
447void snd_hda_get_codec_name(struct hda_codec *codec,
448 char *name, int namelen)
449{
450 const struct hda_vendor_id *c;
451 const char *vendor = NULL;
452 u16 vendor_id = codec->vendor_id >> 16;
453 char tmp[16];
454
455 for (c = hda_vendor_ids; c->id; c++) {
456 if (c->id == vendor_id) {
457 vendor = c->name;
458 break;
459 }
460 }
0ba21762 461 if (!vendor) {
1da177e4
LT		 462 sprintf(tmp, "Generic %04x", vendor_id);
463 vendor = tmp;
464 }
465 if (codec->preset && codec->preset->name)
466 snprintf(name, namelen, "%s %s", vendor, codec->preset->name);
467 else
0ba21762
TI		 468 snprintf(name, namelen, "%s ID %x", vendor,
469 codec->vendor_id & 0xffff);
1da177e4
LT		 470}
471
472/*
673b683a 473 * look for an AFG and MFG nodes
1da177e4 474 */
756e2b01 475static void __devinit setup_fg_nodes(struct hda_codec *codec)
1da177e4
LT		 476{
477 int i, total_nodes;
478 hda_nid_t nid;
479
480 total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
481 for (i = 0; i < total_nodes; i++, nid++) {
0ba21762
TI		 482 unsigned int func;
483 func = snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE);
484 switch (func & 0xff) {
673b683a
SK		 485 case AC_GRP_AUDIO_FUNCTION:
486 codec->afg = nid;
487 break;
488 case AC_GRP_MODEM_FUNCTION:
489 codec->mfg = nid;
490 break;
491 default:
492 break;
493 }
1da177e4 494 }
1da177e4
LT		 495}
496
54d17403
TI		 497/*
498 * read widget caps for each widget and store in cache
499 */
500static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
501{
502 int i;
503 hda_nid_t nid;
504
505 codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node,
506 &codec->start_nid);
507 codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL);
0ba21762 508 if (!codec->wcaps)
54d17403
TI		 509 return -ENOMEM;
510 nid = codec->start_nid;
511 for (i = 0; i < codec->num_nodes; i++, nid++)
512 codec->wcaps[i] = snd_hda_param_read(codec, nid,
513 AC_PAR_AUDIO_WIDGET_CAP);
514 return 0;
515}
516
517
01751f54
TI		 518static void init_hda_cache(struct hda_cache_rec *cache,
519 unsigned int record_size);
1fcaee6e 520static void free_hda_cache(struct hda_cache_rec *cache);
01751f54 521
1da177e4
LT		 522/*
523 * codec destructor
524 */
525static void snd_hda_codec_free(struct hda_codec *codec)
526{
0ba21762 527 if (!codec)
1da177e4 528 return;
cb53c626
TI		 529#ifdef CONFIG_SND_HDA_POWER_SAVE
530 cancel_delayed_work(&codec->power_work);
2525fdc4 531 flush_scheduled_work();
cb53c626 532#endif
1da177e4
LT		 533 list_del(&codec->list);
534 codec->bus->caddr_tbl[codec->addr] = NULL;
535 if (codec->patch_ops.free)
536 codec->patch_ops.free(codec);
01751f54 537 free_hda_cache(&codec->amp_cache);
b3ac5636 538 free_hda_cache(&codec->cmd_cache);
54d17403 539 kfree(codec->wcaps);
1da177e4
LT		 540 kfree(codec);
541}
542
1da177e4
LT		 543/**
544 * snd_hda_codec_new - create a HDA codec
545 * @bus: the bus to assign
546 * @codec_addr: the codec address
547 * @codecp: the pointer to store the generated codec
548 *
549 * Returns 0 if successful, or a negative error code.
550 */
756e2b01
TI		 551int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
552 struct hda_codec **codecp)
1da177e4
LT		 553{
554 struct hda_codec *codec;
555 char component[13];
556 int err;
557
558 snd_assert(bus, return -EINVAL);
559 snd_assert(codec_addr <= HDA_MAX_CODEC_ADDRESS, return -EINVAL);
560
561 if (bus->caddr_tbl[codec_addr]) {
0ba21762
TI		 562 snd_printk(KERN_ERR "hda_codec: "
563 "address 0x%x is already occupied\n", codec_addr);
1da177e4
LT		 564 return -EBUSY;
565 }
566
e560d8d8 567 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
1da177e4
LT		 568 if (codec == NULL) {
569 snd_printk(KERN_ERR "can't allocate struct hda_codec\n");
570 return -ENOMEM;
571 }
572
573 codec->bus = bus;
574 codec->addr = codec_addr;
62932df8 575 mutex_init(&codec->spdif_mutex);
01751f54 576 init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
b3ac5636 577 init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
1da177e4 578
cb53c626
TI		 579#ifdef CONFIG_SND_HDA_POWER_SAVE
580 INIT_DELAYED_WORK(&codec->power_work, hda_power_work);
581 /* snd_hda_codec_new() marks the codec as power-up, and leave it as is.
582 * the caller has to power down appropriatley after initialization
583 * phase.
584 */
585 hda_keep_power_on(codec);
586#endif
587
1da177e4
LT		 588 list_add_tail(&codec->list, &bus->codec_list);
589 bus->caddr_tbl[codec_addr] = codec;
590
0ba21762
TI		 591 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
592 AC_PAR_VENDOR_ID);
111d3af5
TI		 593 if (codec->vendor_id == -1)
594 /* read again, hopefully the access method was corrected
595 * in the last read...
596 */
597 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
598 AC_PAR_VENDOR_ID);
0ba21762
TI		 599 codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT,
600 AC_PAR_SUBSYSTEM_ID);
601 codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT,
602 AC_PAR_REV_ID);
1da177e4 603
673b683a 604 setup_fg_nodes(codec);
0ba21762 605 if (!codec->afg && !codec->mfg) {
673b683a 606 snd_printdd("hda_codec: no AFG or MFG node found\n");
1da177e4
LT		 607 snd_hda_codec_free(codec);
608 return -ENODEV;
609 }
610
54d17403
TI		 611 if (read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg) < 0) {
612 snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
613 snd_hda_codec_free(codec);
614 return -ENOMEM;
615 }
616
0ba21762 617 if (!codec->subsystem_id) {
86284e45 618 hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
0ba21762
TI		 619 codec->subsystem_id =
620 snd_hda_codec_read(codec, nid, 0,
621 AC_VERB_GET_SUBSYSTEM_ID, 0);
86284e45
TI		 622 }
623
d5ad630b 624 codec->preset = find_codec_preset(codec);
43ea1d47
TI		 625 /* audio codec should override the mixer name */
626 if (codec->afg || !*bus->card->mixername)
1da177e4
LT		 627 snd_hda_get_codec_name(codec, bus->card->mixername,
628 sizeof(bus->card->mixername));
629
82467611 630 if (is_generic_config(codec)) {
1da177e4 631 err = snd_hda_parse_generic_codec(codec);
82467611
TI		 632 goto patched;
633 }
82467611
TI		 634 if (codec->preset && codec->preset->patch) {
635 err = codec->preset->patch(codec);
636 goto patched;
637 }
638
639 /* call the default parser */
82467611 640 err = snd_hda_parse_generic_codec(codec);
35a1e0cc
TI		 641 if (err < 0)
642 printk(KERN_ERR "hda-codec: No codec parser is available\n");
82467611
TI		 643
644 patched:
1da177e4
LT		 645 if (err < 0) {
646 snd_hda_codec_free(codec);
647 return err;
648 }
649
9f146bb6
TI		 650 if (codec->patch_ops.unsol_event)
651 init_unsol_queue(bus);
652
1da177e4 653 snd_hda_codec_proc_new(codec);
2807314d
TI		 654#ifdef CONFIG_SND_HDA_HWDEP
655 snd_hda_create_hwdep(codec);
656#endif
1da177e4
LT		 657
658 sprintf(component, "HDA:%08x", codec->vendor_id);
659 snd_component_add(codec->bus->card, component);
660
661 if (codecp)
662 *codecp = codec;
663 return 0;
664}
665
666/**
667 * snd_hda_codec_setup_stream - set up the codec for streaming
668 * @codec: the CODEC to set up
669 * @nid: the NID to set up
670 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
671 * @channel_id: channel id to pass, zero based.
672 * @format: stream format.
673 */
0ba21762
TI		 674void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
675 u32 stream_tag,
1da177e4
LT		 676 int channel_id, int format)
677{
0ba21762 678 if (!nid)
d21b37ea
TI		 679 return;
680
0ba21762
TI		 681 snd_printdd("hda_codec_setup_stream: "
682 "NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
1da177e4
LT		 683 nid, stream_tag, channel_id, format);
684 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID,
685 (stream_tag << 4) | channel_id);
686 msleep(1);
687 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
688}
689
1da177e4
LT		 690/*
691 * amp access functions
692 */
693
4a19faee
TI		 694/* FIXME: more better hash key? */
695#define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
1da177e4 696#define INFO_AMP_CAPS (1<<0)
4a19faee 697#define INFO_AMP_VOL(ch) (1 << (1 + (ch)))
1da177e4
LT		 698
699/* initialize the hash table */
01751f54
TI		 700static void __devinit init_hda_cache(struct hda_cache_rec *cache,
701 unsigned int record_size)
702{
703 memset(cache, 0, sizeof(*cache));
704 memset(cache->hash, 0xff, sizeof(cache->hash));
705 cache->record_size = record_size;
706}
707
1fcaee6e 708static void free_hda_cache(struct hda_cache_rec *cache)
1da177e4 709{
01751f54 710 kfree(cache->buffer);
1da177e4
LT		 711}
712
713/* query the hash. allocate an entry if not found. */
01751f54
TI		 714static struct hda_cache_head *get_alloc_hash(struct hda_cache_rec *cache,
715 u32 key)
1da177e4 716{
01751f54
TI		 717 u16 idx = key % (u16)ARRAY_SIZE(cache->hash);
718 u16 cur = cache->hash[idx];
719 struct hda_cache_head *info;
1da177e4
LT		 720
721 while (cur != 0xffff) {
01751f54
TI		 722 info = (struct hda_cache_head *)(cache->buffer +
723 cur * cache->record_size);
1da177e4
LT		 724 if (info->key == key)
725 return info;
726 cur = info->next;
727 }
728
729 /* add a new hash entry */
01751f54 730 if (cache->num_entries >= cache->size) {
d031166f 731 /* reallocate the array */
01751f54
TI		 732 unsigned int new_size = cache->size + 64;
733 void *new_buffer;
734 new_buffer = kcalloc(new_size, cache->record_size, GFP_KERNEL);
735 if (!new_buffer) {
0ba21762
TI		 736 snd_printk(KERN_ERR "hda_codec: "
737 "can't malloc amp_info\n");
d031166f
TI		 738 return NULL;
739 }
01751f54
TI		 740 if (cache->buffer) {
741 memcpy(new_buffer, cache->buffer,
742 cache->size * cache->record_size);
743 kfree(cache->buffer);
d031166f 744 }
01751f54
TI		 745 cache->size = new_size;
746 cache->buffer = new_buffer;
1da177e4 747 }
01751f54
TI		 748 cur = cache->num_entries++;
749 info = (struct hda_cache_head *)(cache->buffer +
750 cur * cache->record_size);
1da177e4 751 info->key = key;
01751f54
TI		 752 info->val = 0;
753 info->next = cache->hash[idx];
754 cache->hash[idx] = cur;
1da177e4
LT		 755
756 return info;
757}
758
01751f54
TI		 759/* query and allocate an amp hash entry */
760static inline struct hda_amp_info *
761get_alloc_amp_hash(struct hda_codec *codec, u32 key)
762{
763 return (struct hda_amp_info *)get_alloc_hash(&codec->amp_cache, key);
764}
765
1da177e4
LT		 766/*
767 * query AMP capabilities for the given widget and direction
768 */
769static u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
770{
0ba21762 771 struct hda_amp_info *info;
1da177e4 772
0ba21762
TI		 773 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0));
774 if (!info)
1da177e4 775 return 0;
01751f54 776 if (!(info->head.val & INFO_AMP_CAPS)) {
0ba21762 777 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
1da177e4 778 nid = codec->afg;
0ba21762
TI		 779 info->amp_caps = snd_hda_param_read(codec, nid,
780 direction == HDA_OUTPUT ?
781 AC_PAR_AMP_OUT_CAP :
782 AC_PAR_AMP_IN_CAP);
b75e53f0 783 if (info->amp_caps)
01751f54 784 info->head.val |= INFO_AMP_CAPS;
1da177e4
LT		 785 }
786 return info->amp_caps;
787}
788
897cc188
TI		 789int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
790 unsigned int caps)
791{
792 struct hda_amp_info *info;
793
794 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, dir, 0));
795 if (!info)
796 return -EINVAL;
797 info->amp_caps = caps;
01751f54 798 info->head.val |= INFO_AMP_CAPS;
897cc188
TI		 799 return 0;
800}
801
1da177e4
LT		 802/*
803 * read the current volume to info
4a19faee 804 * if the cache exists, read the cache value.
1da177e4 805 */
0ba21762
TI		 806static unsigned int get_vol_mute(struct hda_codec *codec,
807 struct hda_amp_info *info, hda_nid_t nid,
808 int ch, int direction, int index)
1da177e4
LT		 809{
810 u32 val, parm;
811
01751f54 812 if (info->head.val & INFO_AMP_VOL(ch))
4a19faee 813 return info->vol[ch];
1da177e4
LT		 814
815 parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
816 parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
817 parm |= index;
0ba21762
TI		 818 val = snd_hda_codec_read(codec, nid, 0,
819 AC_VERB_GET_AMP_GAIN_MUTE, parm);
1da177e4 820 info->vol[ch] = val & 0xff;
01751f54 821 info->head.val |= INFO_AMP_VOL(ch);
4a19faee 822 return info->vol[ch];
1da177e4
LT		 823}
824
825/*
4a19faee 826 * write the current volume in info to the h/w and update the cache
1da177e4 827 */
4a19faee 828static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
0ba21762
TI		 829 hda_nid_t nid, int ch, int direction, int index,
830 int val)
1da177e4
LT		 831{
832 u32 parm;
833
834 parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
835 parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
836 parm |= index << AC_AMP_SET_INDEX_SHIFT;
837 parm |= val;
838 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
4a19faee 839 info->vol[ch] = val;
1da177e4
LT		 840}
841
842/*
4a19faee 843 * read AMP value. The volume is between 0 to 0x7f, 0x80 = mute bit.
1da177e4 844 */
834be88d
TI		 845int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
846 int direction, int index)
1da177e4 847{
0ba21762
TI		 848 struct hda_amp_info *info;
849 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
850 if (!info)
1da177e4 851 return 0;
4a19faee 852 return get_vol_mute(codec, info, nid, ch, direction, index);
1da177e4
LT		 853}
854
4a19faee
TI		 855/*
856 * update the AMP value, mask = bit mask to set, val = the value
857 */
834be88d
TI		 858int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
859 int direction, int idx, int mask, int val)
1da177e4 860{
0ba21762 861 struct hda_amp_info *info;
4a19faee 862
0ba21762
TI		 863 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx));
864 if (!info)
1da177e4 865 return 0;
4a19faee
TI		 866 val &= mask;
867 val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask;
82beb8fd 868 if (info->vol[ch] == val)
1da177e4 869 return 0;
4a19faee 870 put_vol_mute(codec, info, nid, ch, direction, idx, val);
1da177e4
LT		 871 return 1;
872}
873
47fd830a
TI		 874/*
875 * update the AMP stereo with the same mask and value
876 */
877int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
878 int direction, int idx, int mask, int val)
879{
880 int ch, ret = 0;
881 for (ch = 0; ch < 2; ch++)
882 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
883 idx, mask, val);
884 return ret;
885}
886
cb53c626 887#ifdef SND_HDA_NEEDS_RESUME
b3ac5636
TI		 888/* resume the all amp commands from the cache */
889void snd_hda_codec_resume_amp(struct hda_codec *codec)
890{
891 struct hda_amp_info *buffer = codec->amp_cache.buffer;
892 int i;
893
894 for (i = 0; i < codec->amp_cache.size; i++, buffer++) {
895 u32 key = buffer->head.key;
896 hda_nid_t nid;
897 unsigned int idx, dir, ch;
898 if (!key)
899 continue;
900 nid = key & 0xff;
901 idx = (key >> 16) & 0xff;
902 dir = (key >> 24) & 0xff;
903 for (ch = 0; ch < 2; ch++) {
904 if (!(buffer->head.val & INFO_AMP_VOL(ch)))
905 continue;
906 put_vol_mute(codec, buffer, nid, ch, dir, idx,
907 buffer->vol[ch]);
908 }
909 }
910}
cb53c626 911#endif /* SND_HDA_NEEDS_RESUME */
1da177e4
LT		 912
913/*
914 * AMP control callbacks
915 */
916/* retrieve parameters from private_value */
917#define get_amp_nid(kc) ((kc)->private_value & 0xffff)
918#define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3)
919#define get_amp_direction(kc) (((kc)->private_value >> 18) & 0x1)
920#define get_amp_index(kc) (((kc)->private_value >> 19) & 0xf)
921
922/* volume */
0ba21762
TI		 923int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
924 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 925{
926 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
927 u16 nid = get_amp_nid(kcontrol);
928 u8 chs = get_amp_channels(kcontrol);
929 int dir = get_amp_direction(kcontrol);
930 u32 caps;
931
932 caps = query_amp_caps(codec, nid, dir);
0ba21762
TI		 933 /* num steps */
934 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
935 if (!caps) {
936 printk(KERN_WARNING "hda_codec: "
937 "num_steps = 0 for NID=0x%x\n", nid);
1da177e4
LT		 938 return -EINVAL;
939 }
940 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
941 uinfo->count = chs == 3 ? 2 : 1;
942 uinfo->value.integer.min = 0;
943 uinfo->value.integer.max = caps;
944 return 0;
945}
946
0ba21762
TI		 947int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
948 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 949{
950 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
951 hda_nid_t nid = get_amp_nid(kcontrol);
952 int chs = get_amp_channels(kcontrol);
953 int dir = get_amp_direction(kcontrol);
954 int idx = get_amp_index(kcontrol);
955 long *valp = ucontrol->value.integer.value;
956
957 if (chs & 1)
47fd830a
TI		 958 *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx)
959 & HDA_AMP_VOLMASK;
1da177e4 960 if (chs & 2)
47fd830a
TI		 961 *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx)
962 & HDA_AMP_VOLMASK;
1da177e4
LT		 963 return 0;
964}
965
0ba21762
TI		 966int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
967 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 968{
969 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
970 hda_nid_t nid = get_amp_nid(kcontrol);
971 int chs = get_amp_channels(kcontrol);
972 int dir = get_amp_direction(kcontrol);
973 int idx = get_amp_index(kcontrol);
1da177e4
LT		 974 long *valp = ucontrol->value.integer.value;
975 int change = 0;
976
cb53c626 977 snd_hda_power_up(codec);
b9f5a89c 978 if (chs & 1) {
4a19faee
TI		 979 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
980 0x7f, *valp);
b9f5a89c
NG		 981 valp++;
982 }
4a19faee
TI		 983 if (chs & 2)
984 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
b9f5a89c 985 0x7f, *valp);
cb53c626 986 snd_hda_power_down(codec);
1da177e4
LT		 987 return change;
988}
989
302e9c5a
JK		 990int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
991 unsigned int size, unsigned int __user *_tlv)
992{
993 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
994 hda_nid_t nid = get_amp_nid(kcontrol);
995 int dir = get_amp_direction(kcontrol);
996 u32 caps, val1, val2;
997
998 if (size < 4 * sizeof(unsigned int))
999 return -ENOMEM;
1000 caps = query_amp_caps(codec, nid, dir);
0ba21762
TI		 1001 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1002 val2 = (val2 + 1) * 25;
302e9c5a
JK		 1003 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1004 val1 = ((int)val1) * ((int)val2);
302e9c5a
JK		 1005 if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
1006 return -EFAULT;
1007 if (put_user(2 * sizeof(unsigned int), _tlv + 1))
1008 return -EFAULT;
1009 if (put_user(val1, _tlv + 2))
1010 return -EFAULT;
1011 if (put_user(val2, _tlv + 3))
1012 return -EFAULT;
1013 return 0;
1014}
1015
1da177e4 1016/* switch */
0ba21762
TI		 1017int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
1018 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 1019{
1020 int chs = get_amp_channels(kcontrol);
1021
1022 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1023 uinfo->count = chs == 3 ? 2 : 1;
1024 uinfo->value.integer.min = 0;
1025 uinfo->value.integer.max = 1;
1026 return 0;
1027}
1028
0ba21762
TI		 1029int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
1030 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1031{
1032 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1033 hda_nid_t nid = get_amp_nid(kcontrol);
1034 int chs = get_amp_channels(kcontrol);
1035 int dir = get_amp_direction(kcontrol);
1036 int idx = get_amp_index(kcontrol);
1037 long *valp = ucontrol->value.integer.value;
1038
1039 if (chs & 1)
0ba21762 1040 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
47fd830a 1041 HDA_AMP_MUTE) ? 0 : 1;
1da177e4 1042 if (chs & 2)
0ba21762 1043 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
47fd830a 1044 HDA_AMP_MUTE) ? 0 : 1;
1da177e4
LT		 1045 return 0;
1046}
1047
0ba21762
TI		 1048int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
1049 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1050{
1051 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1052 hda_nid_t nid = get_amp_nid(kcontrol);
1053 int chs = get_amp_channels(kcontrol);
1054 int dir = get_amp_direction(kcontrol);
1055 int idx = get_amp_index(kcontrol);
1da177e4
LT		 1056 long *valp = ucontrol->value.integer.value;
1057 int change = 0;
1058
cb53c626 1059 snd_hda_power_up(codec);
b9f5a89c 1060 if (chs & 1) {
4a19faee 1061 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
47fd830a
TI		 1062 HDA_AMP_MUTE,
1063 *valp ? 0 : HDA_AMP_MUTE);
b9f5a89c
NG		 1064 valp++;
1065 }
4a19faee
TI		 1066 if (chs & 2)
1067 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
47fd830a
TI		 1068 HDA_AMP_MUTE,
1069 *valp ? 0 : HDA_AMP_MUTE);
cb53c626
TI		 1070#ifdef CONFIG_SND_HDA_POWER_SAVE
1071 if (codec->patch_ops.check_power_status)
1072 codec->patch_ops.check_power_status(codec, nid);
1073#endif
1074 snd_hda_power_down(codec);
1da177e4
LT		 1075 return change;
1076}
1077
985be54b
TI		 1078/*
1079 * bound volume controls
1080 *
1081 * bind multiple volumes (# indices, from 0)
1082 */
1083
1084#define AMP_VAL_IDX_SHIFT 19
1085#define AMP_VAL_IDX_MASK (0x0f<<19)
1086
0ba21762
TI		 1087int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
1088 struct snd_ctl_elem_value *ucontrol)
985be54b
TI		 1089{
1090 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1091 unsigned long pval;
1092 int err;
1093
62932df8 1094 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
985be54b
TI		 1095 pval = kcontrol->private_value;
1096 kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
1097 err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
1098 kcontrol->private_value = pval;
62932df8 1099 mutex_unlock(&codec->spdif_mutex);
985be54b
TI		 1100 return err;
1101}
1102
0ba21762
TI		 1103int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
1104 struct snd_ctl_elem_value *ucontrol)
985be54b
TI		 1105{
1106 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1107 unsigned long pval;
1108 int i, indices, err = 0, change = 0;
1109
62932df8 1110 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
985be54b
TI		 1111 pval = kcontrol->private_value;
1112 indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
1113 for (i = 0; i < indices; i++) {
0ba21762
TI		 1114 kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) |
1115 (i << AMP_VAL_IDX_SHIFT);
985be54b
TI		 1116 err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
1117 if (err < 0)
1118 break;
1119 change |= err;
1120 }
1121 kcontrol->private_value = pval;
62932df8 1122 mutex_unlock(&codec->spdif_mutex);
985be54b
TI		 1123 return err < 0 ? err : change;
1124}
1125
532d5381
TI		 1126/*
1127 * generic bound volume/swtich controls
1128 */
1129int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
1130 struct snd_ctl_elem_info *uinfo)
1131{
1132 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1133 struct hda_bind_ctls *c;
1134 int err;
1135
1136 c = (struct hda_bind_ctls *)kcontrol->private_value;
1137 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1138 kcontrol->private_value = *c->values;
1139 err = c->ops->info(kcontrol, uinfo);
1140 kcontrol->private_value = (long)c;
1141 mutex_unlock(&codec->spdif_mutex);
1142 return err;
1143}
1144
1145int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
1146 struct snd_ctl_elem_value *ucontrol)
1147{
1148 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1149 struct hda_bind_ctls *c;
1150 int err;
1151
1152 c = (struct hda_bind_ctls *)kcontrol->private_value;
1153 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1154 kcontrol->private_value = *c->values;
1155 err = c->ops->get(kcontrol, ucontrol);
1156 kcontrol->private_value = (long)c;
1157 mutex_unlock(&codec->spdif_mutex);
1158 return err;
1159}
1160
1161int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
1162 struct snd_ctl_elem_value *ucontrol)
1163{
1164 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1165 struct hda_bind_ctls *c;
1166 unsigned long *vals;
1167 int err = 0, change = 0;
1168
1169 c = (struct hda_bind_ctls *)kcontrol->private_value;
1170 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1171 for (vals = c->values; *vals; vals++) {
1172 kcontrol->private_value = *vals;
1173 err = c->ops->put(kcontrol, ucontrol);
1174 if (err < 0)
1175 break;
1176 change |= err;
1177 }
1178 kcontrol->private_value = (long)c;
1179 mutex_unlock(&codec->spdif_mutex);
1180 return err < 0 ? err : change;
1181}
1182
1183int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1184 unsigned int size, unsigned int __user *tlv)
1185{
1186 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1187 struct hda_bind_ctls *c;
1188 int err;
1189
1190 c = (struct hda_bind_ctls *)kcontrol->private_value;
1191 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1192 kcontrol->private_value = *c->values;
1193 err = c->ops->tlv(kcontrol, op_flag, size, tlv);
1194 kcontrol->private_value = (long)c;
1195 mutex_unlock(&codec->spdif_mutex);
1196 return err;
1197}
1198
1199struct hda_ctl_ops snd_hda_bind_vol = {
1200 .info = snd_hda_mixer_amp_volume_info,
1201 .get = snd_hda_mixer_amp_volume_get,
1202 .put = snd_hda_mixer_amp_volume_put,
1203 .tlv = snd_hda_mixer_amp_tlv
1204};
1205
1206struct hda_ctl_ops snd_hda_bind_sw = {
1207 .info = snd_hda_mixer_amp_switch_info,
1208 .get = snd_hda_mixer_amp_switch_get,
1209 .put = snd_hda_mixer_amp_switch_put,
1210 .tlv = snd_hda_mixer_amp_tlv
1211};
1212
1da177e4
LT		 1213/*
1214 * SPDIF out controls
1215 */
1216
0ba21762
TI		 1217static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
1218 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 1219{
1220 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1221 uinfo->count = 1;
1222 return 0;
1223}
1224
0ba21762
TI		 1225static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
1226 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1227{
1228 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1229 IEC958_AES0_NONAUDIO |
1230 IEC958_AES0_CON_EMPHASIS_5015 |
1231 IEC958_AES0_CON_NOT_COPYRIGHT;
1232 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
1233 IEC958_AES1_CON_ORIGINAL;
1234 return 0;
1235}
1236
0ba21762
TI		 1237static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
1238 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1239{
1240 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1241 IEC958_AES0_NONAUDIO |
1242 IEC958_AES0_PRO_EMPHASIS_5015;
1243 return 0;
1244}
1245
0ba21762
TI		 1246static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
1247 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1248{
1249 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1250
1251 ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff;
1252 ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff;
1253 ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff;
1254 ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff;
1255
1256 return 0;
1257}
1258
1259/* convert from SPDIF status bits to HDA SPDIF bits
1260 * bit 0 (DigEn) is always set zero (to be filled later)
1261 */
1262static unsigned short convert_from_spdif_status(unsigned int sbits)
1263{
1264 unsigned short val = 0;
1265
1266 if (sbits & IEC958_AES0_PROFESSIONAL)
0ba21762 1267 val |= AC_DIG1_PROFESSIONAL;
1da177e4 1268 if (sbits & IEC958_AES0_NONAUDIO)
0ba21762 1269 val |= AC_DIG1_NONAUDIO;
1da177e4 1270 if (sbits & IEC958_AES0_PROFESSIONAL) {
0ba21762
TI		 1271 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
1272 IEC958_AES0_PRO_EMPHASIS_5015)
1273 val |= AC_DIG1_EMPHASIS;
1da177e4 1274 } else {
0ba21762
TI		 1275 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
1276 IEC958_AES0_CON_EMPHASIS_5015)
1277 val |= AC_DIG1_EMPHASIS;
1278 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
1279 val |= AC_DIG1_COPYRIGHT;
1da177e4 1280 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
0ba21762 1281 val |= AC_DIG1_LEVEL;
1da177e4
LT		 1282 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
1283 }
1284 return val;
1285}
1286
1287/* convert to SPDIF status bits from HDA SPDIF bits
1288 */
1289static unsigned int convert_to_spdif_status(unsigned short val)
1290{
1291 unsigned int sbits = 0;
1292
0ba21762 1293 if (val & AC_DIG1_NONAUDIO)
1da177e4 1294 sbits |= IEC958_AES0_NONAUDIO;
0ba21762 1295 if (val & AC_DIG1_PROFESSIONAL)
1da177e4
LT		 1296 sbits |= IEC958_AES0_PROFESSIONAL;
1297 if (sbits & IEC958_AES0_PROFESSIONAL) {
0ba21762 1298 if (sbits & AC_DIG1_EMPHASIS)
1da177e4
LT		 1299 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
1300 } else {
0ba21762 1301 if (val & AC_DIG1_EMPHASIS)
1da177e4 1302 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
0ba21762 1303 if (!(val & AC_DIG1_COPYRIGHT))
1da177e4 1304 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
0ba21762 1305 if (val & AC_DIG1_LEVEL)
1da177e4
LT		 1306 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
1307 sbits |= val & (0x7f << 8);
1308 }
1309 return sbits;
1310}
1311
0ba21762
TI		 1312static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
1313 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1314{
1315 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1316 hda_nid_t nid = kcontrol->private_value;
1317 unsigned short val;
1318 int change;
1319
62932df8 1320 mutex_lock(&codec->spdif_mutex);
1da177e4
LT		 1321 codec->spdif_status = ucontrol->value.iec958.status[0] |
1322 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
1323 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
1324 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
1325 val = convert_from_spdif_status(codec->spdif_status);
1326 val |= codec->spdif_ctls & 1;
1327 change = codec->spdif_ctls != val;
1328 codec->spdif_ctls = val;
1329
82beb8fd
TI		 1330 if (change) {
1331 snd_hda_codec_write_cache(codec, nid, 0,
1332 AC_VERB_SET_DIGI_CONVERT_1,
1333 val & 0xff);
1334 snd_hda_codec_write_cache(codec, nid, 0,
1335 AC_VERB_SET_DIGI_CONVERT_2,
1336 val >> 8);
1da177e4
LT		 1337 }
1338
62932df8 1339 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1340 return change;
1341}
1342
a5ce8890 1343#define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
1da177e4 1344
0ba21762
TI		 1345static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
1346 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1347{
1348 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1349
0ba21762 1350 ucontrol->value.integer.value[0] = codec->spdif_ctls & AC_DIG1_ENABLE;
1da177e4
LT		 1351 return 0;
1352}
1353
0ba21762
TI		 1354static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
1355 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1356{
1357 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1358 hda_nid_t nid = kcontrol->private_value;
1359 unsigned short val;
1360 int change;
1361
62932df8 1362 mutex_lock(&codec->spdif_mutex);
0ba21762 1363 val = codec->spdif_ctls & ~AC_DIG1_ENABLE;
1da177e4 1364 if (ucontrol->value.integer.value[0])
0ba21762 1365 val |= AC_DIG1_ENABLE;
1da177e4 1366 change = codec->spdif_ctls != val;
82beb8fd 1367 if (change) {
1da177e4 1368 codec->spdif_ctls = val;
82beb8fd
TI		 1369 snd_hda_codec_write_cache(codec, nid, 0,
1370 AC_VERB_SET_DIGI_CONVERT_1,
1371 val & 0xff);
0ba21762
TI		 1372 /* unmute amp switch (if any) */
1373 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
47fd830a
TI		 1374 (val & AC_DIG1_ENABLE))
1375 snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
1376 HDA_AMP_MUTE, 0);
1da177e4 1377 }
62932df8 1378 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1379 return change;
1380}
1381
c8b6bf9b 1382static struct snd_kcontrol_new dig_mixes[] = {
1da177e4
LT		 1383 {
1384 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1385 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1386 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1387 .info = snd_hda_spdif_mask_info,
1388 .get = snd_hda_spdif_cmask_get,
1389 },
1390 {
1391 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1392 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1393 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1394 .info = snd_hda_spdif_mask_info,
1395 .get = snd_hda_spdif_pmask_get,
1396 },
1397 {
1398 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1399 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1400 .info = snd_hda_spdif_mask_info,
1401 .get = snd_hda_spdif_default_get,
1402 .put = snd_hda_spdif_default_put,
1403 },
1404 {
1405 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1406 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1407 .info = snd_hda_spdif_out_switch_info,
1408 .get = snd_hda_spdif_out_switch_get,
1409 .put = snd_hda_spdif_out_switch_put,
1410 },
1411 { } /* end */
1412};
1413
1414/**
1415 * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1416 * @codec: the HDA codec
1417 * @nid: audio out widget NID
1418 *
1419 * Creates controls related with the SPDIF output.
1420 * Called from each patch supporting the SPDIF out.
1421 *
1422 * Returns 0 if successful, or a negative error code.
1423 */
12f288bf 1424int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid)
1da177e4
LT		 1425{
1426 int err;
c8b6bf9b
TI		 1427 struct snd_kcontrol *kctl;
1428 struct snd_kcontrol_new *dig_mix;
1da177e4
LT		 1429
1430 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
1431 kctl = snd_ctl_new1(dig_mix, codec);
1432 kctl->private_value = nid;
0ba21762
TI		 1433 err = snd_ctl_add(codec->bus->card, kctl);
1434 if (err < 0)
1da177e4
LT		 1435 return err;
1436 }
0ba21762
TI		 1437 codec->spdif_ctls =
1438 snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0);
1da177e4
LT		 1439 codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
1440 return 0;
1441}
1442
1443/*
1444 * SPDIF input
1445 */
1446
1447#define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
1448
0ba21762
TI		 1449static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
1450 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1451{
1452 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1453
1454 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
1455 return 0;
1456}
1457
0ba21762
TI		 1458static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
1459 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1460{
1461 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1462 hda_nid_t nid = kcontrol->private_value;
1463 unsigned int val = !!ucontrol->value.integer.value[0];
1464 int change;
1465
62932df8 1466 mutex_lock(&codec->spdif_mutex);
1da177e4 1467 change = codec->spdif_in_enable != val;
82beb8fd 1468 if (change) {
1da177e4 1469 codec->spdif_in_enable = val;
82beb8fd
TI		 1470 snd_hda_codec_write_cache(codec, nid, 0,
1471 AC_VERB_SET_DIGI_CONVERT_1, val);
1da177e4 1472 }
62932df8 1473 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1474 return change;
1475}
1476
0ba21762
TI		 1477static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
1478 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1479{
1480 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1481 hda_nid_t nid = kcontrol->private_value;
1482 unsigned short val;
1483 unsigned int sbits;
1484
1485 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0);
1486 sbits = convert_to_spdif_status(val);
1487 ucontrol->value.iec958.status[0] = sbits;
1488 ucontrol->value.iec958.status[1] = sbits >> 8;
1489 ucontrol->value.iec958.status[2] = sbits >> 16;
1490 ucontrol->value.iec958.status[3] = sbits >> 24;
1491 return 0;
1492}
1493
c8b6bf9b 1494static struct snd_kcontrol_new dig_in_ctls[] = {
1da177e4
LT		 1495 {
1496 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1497 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
1498 .info = snd_hda_spdif_in_switch_info,
1499 .get = snd_hda_spdif_in_switch_get,
1500 .put = snd_hda_spdif_in_switch_put,
1501 },
1502 {
1503 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1504 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1505 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1506 .info = snd_hda_spdif_mask_info,
1507 .get = snd_hda_spdif_in_status_get,
1508 },
1509 { } /* end */
1510};
1511
1512/**
1513 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1514 * @codec: the HDA codec
1515 * @nid: audio in widget NID
1516 *
1517 * Creates controls related with the SPDIF input.
1518 * Called from each patch supporting the SPDIF in.
1519 *
1520 * Returns 0 if successful, or a negative error code.
1521 */
12f288bf 1522int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
1da177e4
LT		 1523{
1524 int err;
c8b6bf9b
TI		 1525 struct snd_kcontrol *kctl;
1526 struct snd_kcontrol_new *dig_mix;
1da177e4
LT		 1527
1528 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
1529 kctl = snd_ctl_new1(dig_mix, codec);
1530 kctl->private_value = nid;
0ba21762
TI		 1531 err = snd_ctl_add(codec->bus->card, kctl);
1532 if (err < 0)
1da177e4
LT		 1533 return err;
1534 }
0ba21762
TI		 1535 codec->spdif_in_enable =
1536 snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0) &
1537 AC_DIG1_ENABLE;
1da177e4
LT		 1538 return 0;
1539}
1540
cb53c626 1541#ifdef SND_HDA_NEEDS_RESUME
82beb8fd
TI		 1542/*
1543 * command cache
1544 */
1da177e4 1545
b3ac5636
TI		 1546/* build a 32bit cache key with the widget id and the command parameter */
1547#define build_cmd_cache_key(nid, verb) ((verb << 8) | nid)
1548#define get_cmd_cache_nid(key) ((key) & 0xff)
1549#define get_cmd_cache_cmd(key) (((key) >> 8) & 0xffff)
1550
1551/**
1552 * snd_hda_codec_write_cache - send a single command with caching
1553 * @codec: the HDA codec
1554 * @nid: NID to send the command
1555 * @direct: direct flag
1556 * @verb: the verb to send
1557 * @parm: the parameter for the verb
1558 *
1559 * Send a single command without waiting for response.
1560 *
1561 * Returns 0 if successful, or a negative error code.
1562 */
1563int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
1564 int direct, unsigned int verb, unsigned int parm)
1565{
1566 int err;
cb53c626 1567 snd_hda_power_up(codec);
b3ac5636
TI		 1568 mutex_lock(&codec->bus->cmd_mutex);
1569 err = codec->bus->ops.command(codec, nid, direct, verb, parm);
1570 if (!err) {
1571 struct hda_cache_head *c;
1572 u32 key = build_cmd_cache_key(nid, verb);
1573 c = get_alloc_hash(&codec->cmd_cache, key);
1574 if (c)
1575 c->val = parm;
1576 }
1577 mutex_unlock(&codec->bus->cmd_mutex);
cb53c626 1578 snd_hda_power_down(codec);
b3ac5636
TI		 1579 return err;
1580}
1581
1582/* resume the all commands from the cache */
1583void snd_hda_codec_resume_cache(struct hda_codec *codec)
1584{
1585 struct hda_cache_head *buffer = codec->cmd_cache.buffer;
1586 int i;
1587
1588 for (i = 0; i < codec->cmd_cache.size; i++, buffer++) {
1589 u32 key = buffer->key;
1590 if (!key)
1591 continue;
1592 snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0,
1593 get_cmd_cache_cmd(key), buffer->val);
1594 }
1595}
1596
1597/**
1598 * snd_hda_sequence_write_cache - sequence writes with caching
1599 * @codec: the HDA codec
1600 * @seq: VERB array to send
1601 *
1602 * Send the commands sequentially from the given array.
1603 * Thte commands are recorded on cache for power-save and resume.
1604 * The array must be terminated with NID=0.
1605 */
1606void snd_hda_sequence_write_cache(struct hda_codec *codec,
1607 const struct hda_verb *seq)
1608{
1609 for (; seq->nid; seq++)
1610 snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb,
1611 seq->param);
1612}
cb53c626 1613#endif /* SND_HDA_NEEDS_RESUME */
b3ac5636 1614
54d17403
TI		 1615/*
1616 * set power state of the codec
1617 */
1618static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
1619 unsigned int power_state)
1620{
cb53c626
TI		 1621 hda_nid_t nid;
1622 int i;
54d17403
TI		 1623
1624 snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE,
1625 power_state);
1626
cb53c626
TI		 1627 nid = codec->start_nid;
1628 for (i = 0; i < codec->num_nodes; i++, nid++) {
7eba5c9d
TI		 1629 unsigned int wcaps = get_wcaps(codec, nid);
1630 if (wcaps & AC_WCAP_POWER) {
1631 unsigned int wid_type = (wcaps & AC_WCAP_TYPE) >>
1632 AC_WCAP_TYPE_SHIFT;
1633 if (wid_type == AC_WID_PIN) {
1634 unsigned int pincap;
1635 /*
1636 * don't power down the widget if it controls
1637 * eapd and EAPD_BTLENABLE is set.
1638 */
1639 pincap = snd_hda_param_read(codec, nid,
1640 AC_PAR_PIN_CAP);
1641 if (pincap & AC_PINCAP_EAPD) {
1642 int eapd = snd_hda_codec_read(codec,
1643 nid, 0,
1644 AC_VERB_GET_EAPD_BTLENABLE, 0);
1645 eapd &= 0x02;
1646 if (power_state == AC_PWRST_D3 && eapd)
1647 continue;
1648 }
1194b5b7 1649 }
54d17403
TI		 1650 snd_hda_codec_write(codec, nid, 0,
1651 AC_VERB_SET_POWER_STATE,
1652 power_state);
1194b5b7 1653 }
54d17403
TI		 1654 }
1655
cb53c626
TI		 1656 if (power_state == AC_PWRST_D0) {
1657 unsigned long end_time;
1658 int state;
54d17403 1659 msleep(10);
cb53c626
TI		 1660 /* wait until the codec reachs to D0 */
1661 end_time = jiffies + msecs_to_jiffies(500);
1662 do {
1663 state = snd_hda_codec_read(codec, fg, 0,
1664 AC_VERB_GET_POWER_STATE, 0);
1665 if (state == power_state)
1666 break;
1667 msleep(1);
1668 } while (time_after_eq(end_time, jiffies));
1669 }
1670}
1671
1672#ifdef SND_HDA_NEEDS_RESUME
1673/*
1674 * call suspend and power-down; used both from PM and power-save
1675 */
1676static void hda_call_codec_suspend(struct hda_codec *codec)
1677{
1678 if (codec->patch_ops.suspend)
1679 codec->patch_ops.suspend(codec, PMSG_SUSPEND);
1680 hda_set_power_state(codec,
1681 codec->afg ? codec->afg : codec->mfg,
1682 AC_PWRST_D3);
1683#ifdef CONFIG_SND_HDA_POWER_SAVE
1684 cancel_delayed_work(&codec->power_work);
95e99fda 1685 codec->power_on = 0;
a221e287 1686 codec->power_transition = 0;
cb53c626 1687#endif
54d17403
TI		 1688}
1689
cb53c626
TI		 1690/*
1691 * kick up codec; used both from PM and power-save
1692 */
1693static void hda_call_codec_resume(struct hda_codec *codec)
1694{
1695 hda_set_power_state(codec,
1696 codec->afg ? codec->afg : codec->mfg,
1697 AC_PWRST_D0);
1698 if (codec->patch_ops.resume)
1699 codec->patch_ops.resume(codec);
1700 else {
9d99f312
TI		 1701 if (codec->patch_ops.init)
1702 codec->patch_ops.init(codec);
cb53c626
TI		 1703 snd_hda_codec_resume_amp(codec);
1704 snd_hda_codec_resume_cache(codec);
1705 }
1706}
1707#endif /* SND_HDA_NEEDS_RESUME */
1708
54d17403 1709
1da177e4
LT		 1710/**
1711 * snd_hda_build_controls - build mixer controls
1712 * @bus: the BUS
1713 *
1714 * Creates mixer controls for each codec included in the bus.
1715 *
1716 * Returns 0 if successful, otherwise a negative error code.
1717 */
756e2b01 1718int __devinit snd_hda_build_controls(struct hda_bus *bus)
1da177e4 1719{
0ba21762 1720 struct hda_codec *codec;
1da177e4 1721
0ba21762 1722 list_for_each_entry(codec, &bus->codec_list, list) {
cb53c626
TI		 1723 int err = 0;
1724 /* fake as if already powered-on */
1725 hda_keep_power_on(codec);
1726 /* then fire up */
54d17403
TI		 1727 hda_set_power_state(codec,
1728 codec->afg ? codec->afg : codec->mfg,
1729 AC_PWRST_D0);
cb53c626
TI		 1730 /* continue to initialize... */
1731 if (codec->patch_ops.init)
1732 err = codec->patch_ops.init(codec);
1733 if (!err && codec->patch_ops.build_controls)
1734 err = codec->patch_ops.build_controls(codec);
1735 snd_hda_power_down(codec);
1da177e4
LT		 1736 if (err < 0)
1737 return err;
1738 }
cb53c626 1739
1da177e4
LT		 1740 return 0;
1741}
1742
1da177e4
LT		 1743/*
1744 * stream formats
1745 */
befdf316
TI		 1746struct hda_rate_tbl {
1747 unsigned int hz;
1748 unsigned int alsa_bits;
1749 unsigned int hda_fmt;
1750};
1751
1752static struct hda_rate_tbl rate_bits[] = {
1da177e4 1753 /* rate in Hz, ALSA rate bitmask, HDA format value */
9d8f53f2
NG		 1754
1755 /* autodetected value used in snd_hda_query_supported_pcm */
1da177e4
LT		 1756 { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
1757 { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
1758 { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
1759 { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
1760 { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
1761 { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
1762 { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
1763 { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
1764 { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
1765 { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
1766 { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
a961f9fe
TI		 1767#define AC_PAR_PCM_RATE_BITS 11
1768 /* up to bits 10, 384kHZ isn't supported properly */
1769
1770 /* not autodetected value */
1771 { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
9d8f53f2 1772
befdf316 1773 { 0 } /* terminator */
1da177e4
LT		 1774};
1775
1776/**
1777 * snd_hda_calc_stream_format - calculate format bitset
1778 * @rate: the sample rate
1779 * @channels: the number of channels
1780 * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
1781 * @maxbps: the max. bps
1782 *
1783 * Calculate the format bitset from the given rate, channels and th PCM format.
1784 *
1785 * Return zero if invalid.
1786 */
1787unsigned int snd_hda_calc_stream_format(unsigned int rate,
1788 unsigned int channels,
1789 unsigned int format,
1790 unsigned int maxbps)
1791{
1792 int i;
1793 unsigned int val = 0;
1794
befdf316
TI		 1795 for (i = 0; rate_bits[i].hz; i++)
1796 if (rate_bits[i].hz == rate) {
1797 val = rate_bits[i].hda_fmt;
1da177e4
LT		 1798 break;
1799 }
0ba21762 1800 if (!rate_bits[i].hz) {
1da177e4
LT		 1801 snd_printdd("invalid rate %d\n", rate);
1802 return 0;
1803 }
1804
1805 if (channels == 0 || channels > 8) {
1806 snd_printdd("invalid channels %d\n", channels);
1807 return 0;
1808 }
1809 val |= channels - 1;
1810
1811 switch (snd_pcm_format_width(format)) {
1812 case 8: val |= 0x00; break;
1813 case 16: val |= 0x10; break;
1814 case 20:
1815 case 24:
1816 case 32:
1817 if (maxbps >= 32)
1818 val |= 0x40;
1819 else if (maxbps >= 24)
1820 val |= 0x30;
1821 else
1822 val |= 0x20;
1823 break;
1824 default:
0ba21762
TI		 1825 snd_printdd("invalid format width %d\n",
1826 snd_pcm_format_width(format));
1da177e4
LT		 1827 return 0;
1828 }
1829
1830 return val;
1831}
1832
1833/**
1834 * snd_hda_query_supported_pcm - query the supported PCM rates and formats
1835 * @codec: the HDA codec
1836 * @nid: NID to query
1837 * @ratesp: the pointer to store the detected rate bitflags
1838 * @formatsp: the pointer to store the detected formats
1839 * @bpsp: the pointer to store the detected format widths
1840 *
1841 * Queries the supported PCM rates and formats. The NULL @ratesp, @formatsp
1842 * or @bsps argument is ignored.
1843 *
1844 * Returns 0 if successful, otherwise a negative error code.
1845 */
1846int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
1847 u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
1848{
1849 int i;
1850 unsigned int val, streams;
1851
1852 val = 0;
1853 if (nid != codec->afg &&
54d17403 1854 (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
1da177e4
LT		 1855 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
1856 if (val == -1)
1857 return -EIO;
1858 }
0ba21762 1859 if (!val)
1da177e4
LT		 1860 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
1861
1862 if (ratesp) {
1863 u32 rates = 0;
a961f9fe 1864 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) {
1da177e4 1865 if (val & (1 << i))
befdf316 1866 rates |= rate_bits[i].alsa_bits;
1da177e4
LT		 1867 }
1868 *ratesp = rates;
1869 }
1870
1871 if (formatsp || bpsp) {
1872 u64 formats = 0;
1873 unsigned int bps;
1874 unsigned int wcaps;
1875
54d17403 1876 wcaps = get_wcaps(codec, nid);
1da177e4
LT		 1877 streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
1878 if (streams == -1)
1879 return -EIO;
0ba21762
TI		 1880 if (!streams) {
1881 streams = snd_hda_param_read(codec, codec->afg,
1882 AC_PAR_STREAM);
1da177e4
LT		 1883 if (streams == -1)
1884 return -EIO;
1885 }
1886
1887 bps = 0;
1888 if (streams & AC_SUPFMT_PCM) {
1889 if (val & AC_SUPPCM_BITS_8) {
1890 formats |= SNDRV_PCM_FMTBIT_U8;
1891 bps = 8;
1892 }
1893 if (val & AC_SUPPCM_BITS_16) {
1894 formats |= SNDRV_PCM_FMTBIT_S16_LE;
1895 bps = 16;
1896 }
1897 if (wcaps & AC_WCAP_DIGITAL) {
1898 if (val & AC_SUPPCM_BITS_32)
1899 formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
1900 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
1901 formats |= SNDRV_PCM_FMTBIT_S32_LE;
1902 if (val & AC_SUPPCM_BITS_24)
1903 bps = 24;
1904 else if (val & AC_SUPPCM_BITS_20)
1905 bps = 20;
0ba21762
TI		 1906 } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|
1907 AC_SUPPCM_BITS_32)) {
1da177e4
LT		 1908 formats |= SNDRV_PCM_FMTBIT_S32_LE;
1909 if (val & AC_SUPPCM_BITS_32)
1910 bps = 32;
1da177e4
LT		 1911 else if (val & AC_SUPPCM_BITS_24)
1912 bps = 24;
33ef7651
NG		 1913 else if (val & AC_SUPPCM_BITS_20)
1914 bps = 20;
1da177e4
LT		 1915 }
1916 }
0ba21762
TI		 1917 else if (streams == AC_SUPFMT_FLOAT32) {
1918 /* should be exclusive */
1da177e4
LT		 1919 formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
1920 bps = 32;
0ba21762
TI		 1921 } else if (streams == AC_SUPFMT_AC3) {
1922 /* should be exclusive */
1da177e4
LT		 1923 /* temporary hack: we have still no proper support
1924 * for the direct AC3 stream...
1925 */
1926 formats |= SNDRV_PCM_FMTBIT_U8;
1927 bps = 8;
1928 }
1929 if (formatsp)
1930 *formatsp = formats;
1931 if (bpsp)
1932 *bpsp = bps;
1933 }
1934
1935 return 0;
1936}
1937
1938/**
0ba21762
TI		 1939 * snd_hda_is_supported_format - check whether the given node supports
1940 * the format val
1da177e4
LT		 1941 *
1942 * Returns 1 if supported, 0 if not.
1943 */
1944int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
1945 unsigned int format)
1946{
1947 int i;
1948 unsigned int val = 0, rate, stream;
1949
1950 if (nid != codec->afg &&
54d17403 1951 (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
1da177e4
LT		 1952 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
1953 if (val == -1)
1954 return 0;
1955 }
0ba21762 1956 if (!val) {
1da177e4
LT		 1957 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
1958 if (val == -1)
1959 return 0;
1960 }
1961
1962 rate = format & 0xff00;
a961f9fe 1963 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)
befdf316 1964 if (rate_bits[i].hda_fmt == rate) {
1da177e4
LT		 1965 if (val & (1 << i))
1966 break;
1967 return 0;
1968 }
a961f9fe 1969 if (i >= AC_PAR_PCM_RATE_BITS)
1da177e4
LT		 1970 return 0;
1971
1972 stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
1973 if (stream == -1)
1974 return 0;
0ba21762 1975 if (!stream && nid != codec->afg)
1da177e4 1976 stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
0ba21762 1977 if (!stream || stream == -1)
1da177e4
LT		 1978 return 0;
1979
1980 if (stream & AC_SUPFMT_PCM) {
1981 switch (format & 0xf0) {
1982 case 0x00:
0ba21762 1983 if (!(val & AC_SUPPCM_BITS_8))
1da177e4
LT		 1984 return 0;
1985 break;
1986 case 0x10:
0ba21762 1987 if (!(val & AC_SUPPCM_BITS_16))
1da177e4
LT		 1988 return 0;
1989 break;
1990 case 0x20:
0ba21762 1991 if (!(val & AC_SUPPCM_BITS_20))
1da177e4
LT		 1992 return 0;
1993 break;
1994 case 0x30:
0ba21762 1995 if (!(val & AC_SUPPCM_BITS_24))
1da177e4
LT		 1996 return 0;
1997 break;
1998 case 0x40:
0ba21762 1999 if (!(val & AC_SUPPCM_BITS_32))
1da177e4
LT		 2000 return 0;
2001 break;
2002 default:
2003 return 0;
2004 }
2005 } else {
2006 /* FIXME: check for float32 and AC3? */
2007 }
2008
2009 return 1;
2010}
2011
2012/*
2013 * PCM stuff
2014 */
2015static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
2016 struct hda_codec *codec,
c8b6bf9b 2017 struct snd_pcm_substream *substream)
1da177e4
LT		 2018{
2019 return 0;
2020}
2021
2022static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
2023 struct hda_codec *codec,
2024 unsigned int stream_tag,
2025 unsigned int format,
c8b6bf9b 2026 struct snd_pcm_substream *substream)
1da177e4
LT		 2027{
2028 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
2029 return 0;
2030}
2031
2032static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
2033 struct hda_codec *codec,
c8b6bf9b 2034 struct snd_pcm_substream *substream)
1da177e4
LT		 2035{
2036 snd_hda_codec_setup_stream(codec, hinfo->nid, 0, 0, 0);
2037 return 0;
2038}
2039
0ba21762
TI		 2040static int __devinit set_pcm_default_values(struct hda_codec *codec,
2041 struct hda_pcm_stream *info)
1da177e4 2042{
0ba21762
TI		 2043 /* query support PCM information from the given NID */
2044 if (info->nid && (!info->rates || !info->formats)) {
2045 snd_hda_query_supported_pcm(codec, info->nid,
2046 info->rates ? NULL : &info->rates,
2047 info->formats ? NULL : &info->formats,
2048 info->maxbps ? NULL : &info->maxbps);
1da177e4
LT		 2049 }
2050 if (info->ops.open == NULL)
2051 info->ops.open = hda_pcm_default_open_close;
2052 if (info->ops.close == NULL)
2053 info->ops.close = hda_pcm_default_open_close;
2054 if (info->ops.prepare == NULL) {
2055 snd_assert(info->nid, return -EINVAL);
2056 info->ops.prepare = hda_pcm_default_prepare;
2057 }
1da177e4
LT		 2058 if (info->ops.cleanup == NULL) {
2059 snd_assert(info->nid, return -EINVAL);
2060 info->ops.cleanup = hda_pcm_default_cleanup;
2061 }
2062 return 0;
2063}
2064
2065/**
2066 * snd_hda_build_pcms - build PCM information
2067 * @bus: the BUS
2068 *
2069 * Create PCM information for each codec included in the bus.
2070 *
2071 * The build_pcms codec patch is requested to set up codec->num_pcms and
2072 * codec->pcm_info properly. The array is referred by the top-level driver
2073 * to create its PCM instances.
2074 * The allocated codec->pcm_info should be released in codec->patch_ops.free
2075 * callback.
2076 *
2077 * At least, substreams, channels_min and channels_max must be filled for
2078 * each stream. substreams = 0 indicates that the stream doesn't exist.
2079 * When rates and/or formats are zero, the supported values are queried
2080 * from the given nid. The nid is used also by the default ops.prepare
2081 * and ops.cleanup callbacks.
2082 *
2083 * The driver needs to call ops.open in its open callback. Similarly,
2084 * ops.close is supposed to be called in the close callback.
2085 * ops.prepare should be called in the prepare or hw_params callback
2086 * with the proper parameters for set up.
2087 * ops.cleanup should be called in hw_free for clean up of streams.
2088 *
2089 * This function returns 0 if successfull, or a negative error code.
2090 */
756e2b01 2091int __devinit snd_hda_build_pcms(struct hda_bus *bus)
1da177e4 2092{
0ba21762 2093 struct hda_codec *codec;
1da177e4 2094
0ba21762 2095 list_for_each_entry(codec, &bus->codec_list, list) {
1da177e4
LT		 2096 unsigned int pcm, s;
2097 int err;
0ba21762 2098 if (!codec->patch_ops.build_pcms)
1da177e4
LT		 2099 continue;
2100 err = codec->patch_ops.build_pcms(codec);
2101 if (err < 0)
2102 return err;
2103 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
2104 for (s = 0; s < 2; s++) {
2105 struct hda_pcm_stream *info;
2106 info = &codec->pcm_info[pcm].stream[s];
0ba21762 2107 if (!info->substreams)
1da177e4
LT		 2108 continue;
2109 err = set_pcm_default_values(codec, info);
2110 if (err < 0)
2111 return err;
2112 }
2113 }
2114 }
2115 return 0;
2116}
2117
1da177e4
LT		 2118/**
2119 * snd_hda_check_board_config - compare the current codec with the config table
2120 * @codec: the HDA codec
f5fcc13c
TI		 2121 * @num_configs: number of config enums
2122 * @models: array of model name strings
1da177e4
LT		 2123 * @tbl: configuration table, terminated by null entries
2124 *
2125 * Compares the modelname or PCI subsystem id of the current codec with the
2126 * given configuration table. If a matching entry is found, returns its
2127 * config value (supposed to be 0 or positive).
2128 *
2129 * If no entries are matching, the function returns a negative value.
2130 */
12f288bf
TI		 2131int snd_hda_check_board_config(struct hda_codec *codec,
2132 int num_configs, const char **models,
2133 const struct snd_pci_quirk *tbl)
1da177e4 2134{
f5fcc13c
TI		 2135 if (codec->bus->modelname && models) {
2136 int i;
2137 for (i = 0; i < num_configs; i++) {
2138 if (models[i] &&
2139 !strcmp(codec->bus->modelname, models[i])) {
2140 snd_printd(KERN_INFO "hda_codec: model '%s' is "
2141 "selected\n", models[i]);
2142 return i;
1da177e4
LT		 2143 }
2144 }
2145 }
2146
f5fcc13c
TI		 2147 if (!codec->bus->pci || !tbl)
2148 return -1;
2149
2150 tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl);
2151 if (!tbl)
2152 return -1;
2153 if (tbl->value >= 0 && tbl->value < num_configs) {
2154#ifdef CONFIG_SND_DEBUG_DETECT
2155 char tmp[10];
2156 const char *model = NULL;
2157 if (models)
2158 model = models[tbl->value];
2159 if (!model) {
2160 sprintf(tmp, "#%d", tbl->value);
2161 model = tmp;
1da177e4 2162 }
f5fcc13c
TI		 2163 snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
2164 "for config %x:%x (%s)\n",
2165 model, tbl->subvendor, tbl->subdevice,
2166 (tbl->name ? tbl->name : "Unknown device"));
2167#endif
2168 return tbl->value;
1da177e4
LT		 2169 }
2170 return -1;
2171}
2172
2173/**
2174 * snd_hda_add_new_ctls - create controls from the array
2175 * @codec: the HDA codec
c8b6bf9b 2176 * @knew: the array of struct snd_kcontrol_new
1da177e4
LT		 2177 *
2178 * This helper function creates and add new controls in the given array.
2179 * The array must be terminated with an empty entry as terminator.
2180 *
2181 * Returns 0 if successful, or a negative error code.
2182 */
12f288bf 2183int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
1da177e4 2184{
cb53c626 2185 int err;
1da177e4
LT		 2186
2187 for (; knew->name; knew++) {
54d17403
TI		 2188 struct snd_kcontrol *kctl;
2189 kctl = snd_ctl_new1(knew, codec);
0ba21762 2190 if (!kctl)
54d17403
TI		 2191 return -ENOMEM;
2192 err = snd_ctl_add(codec->bus->card, kctl);
2193 if (err < 0) {
0ba21762 2194 if (!codec->addr)
54d17403
TI		 2195 return err;
2196 kctl = snd_ctl_new1(knew, codec);
0ba21762 2197 if (!kctl)
54d17403
TI		 2198 return -ENOMEM;
2199 kctl->id.device = codec->addr;
0ba21762
TI		 2200 err = snd_ctl_add(codec->bus->card, kctl);
2201 if (err < 0)
54d17403
TI		 2202 return err;
2203 }
1da177e4
LT		 2204 }
2205 return 0;
2206}
2207
cb53c626
TI		 2208#ifdef CONFIG_SND_HDA_POWER_SAVE
2209static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2210 unsigned int power_state);
2211
2212static void hda_power_work(struct work_struct *work)
2213{
2214 struct hda_codec *codec =
2215 container_of(work, struct hda_codec, power_work.work);
2216
2e492462
ML		 2217 if (!codec->power_on || codec->power_count) {
2218 codec->power_transition = 0;
cb53c626 2219 return;
2e492462 2220 }
cb53c626
TI		 2221
2222 hda_call_codec_suspend(codec);
cb53c626
TI		 2223 if (codec->bus->ops.pm_notify)
2224 codec->bus->ops.pm_notify(codec);
2225}
2226
2227static void hda_keep_power_on(struct hda_codec *codec)
2228{
2229 codec->power_count++;
2230 codec->power_on = 1;
2231}
2232
2233void snd_hda_power_up(struct hda_codec *codec)
2234{
2235 codec->power_count++;
a221e287 2236 if (codec->power_on || codec->power_transition)
cb53c626
TI		 2237 return;
2238
2239 codec->power_on = 1;
2240 if (codec->bus->ops.pm_notify)
2241 codec->bus->ops.pm_notify(codec);
2242 hda_call_codec_resume(codec);
2243 cancel_delayed_work(&codec->power_work);
a221e287 2244 codec->power_transition = 0;
cb53c626
TI		 2245}
2246
2247void snd_hda_power_down(struct hda_codec *codec)
2248{
2249 --codec->power_count;
a221e287 2250 if (!codec->power_on || codec->power_count || codec->power_transition)
cb53c626 2251 return;
a221e287
TI		 2252 if (power_save) {
2253 codec->power_transition = 1; /* avoid reentrance */
cb53c626
TI		 2254 schedule_delayed_work(&codec->power_work,
2255 msecs_to_jiffies(power_save * 1000));
a221e287 2256 }
cb53c626
TI		 2257}
2258
2259int snd_hda_check_amp_list_power(struct hda_codec *codec,
2260 struct hda_loopback_check *check,
2261 hda_nid_t nid)
2262{
2263 struct hda_amp_list *p;
2264 int ch, v;
2265
2266 if (!check->amplist)
2267 return 0;
2268 for (p = check->amplist; p->nid; p++) {
2269 if (p->nid == nid)
2270 break;
2271 }
2272 if (!p->nid)
2273 return 0; /* nothing changed */
2274
2275 for (p = check->amplist; p->nid; p++) {
2276 for (ch = 0; ch < 2; ch++) {
2277 v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
2278 p->idx);
2279 if (!(v & HDA_AMP_MUTE) && v > 0) {
2280 if (!check->power_on) {
2281 check->power_on = 1;
2282 snd_hda_power_up(codec);
2283 }
2284 return 1;
2285 }
2286 }
2287 }
2288 if (check->power_on) {
2289 check->power_on = 0;
2290 snd_hda_power_down(codec);
2291 }
2292 return 0;
2293}
2294#endif
1da177e4 2295
c8b6bf9b 2296/*
d2a6d7dc
TI		 2297 * Channel mode helper
2298 */
0ba21762
TI		 2299int snd_hda_ch_mode_info(struct hda_codec *codec,
2300 struct snd_ctl_elem_info *uinfo,
2301 const struct hda_channel_mode *chmode,
2302 int num_chmodes)
d2a6d7dc
TI		 2303{
2304 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2305 uinfo->count = 1;
2306 uinfo->value.enumerated.items = num_chmodes;
2307 if (uinfo->value.enumerated.item >= num_chmodes)
2308 uinfo->value.enumerated.item = num_chmodes - 1;
2309 sprintf(uinfo->value.enumerated.name, "%dch",
2310 chmode[uinfo->value.enumerated.item].channels);
2311 return 0;
2312}
2313
0ba21762
TI		 2314int snd_hda_ch_mode_get(struct hda_codec *codec,
2315 struct snd_ctl_elem_value *ucontrol,
2316 const struct hda_channel_mode *chmode,
2317 int num_chmodes,
d2a6d7dc
TI		 2318 int max_channels)
2319{
2320 int i;
2321
2322 for (i = 0; i < num_chmodes; i++) {
2323 if (max_channels == chmode[i].channels) {
2324 ucontrol->value.enumerated.item[0] = i;
2325 break;
2326 }
2327 }
2328 return 0;
2329}
2330
0ba21762
TI		 2331int snd_hda_ch_mode_put(struct hda_codec *codec,
2332 struct snd_ctl_elem_value *ucontrol,
2333 const struct hda_channel_mode *chmode,
2334 int num_chmodes,
d2a6d7dc
TI		 2335 int *max_channelsp)
2336{
2337 unsigned int mode;
2338
2339 mode = ucontrol->value.enumerated.item[0];
68ea7b2f
TI		 2340 if (mode >= num_chmodes)
2341 return -EINVAL;
82beb8fd 2342 if (*max_channelsp == chmode[mode].channels)
d2a6d7dc
TI		 2343 return 0;
2344 /* change the current channel setting */
2345 *max_channelsp = chmode[mode].channels;
2346 if (chmode[mode].sequence)
82beb8fd 2347 snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
d2a6d7dc
TI		 2348 return 1;
2349}
2350
1da177e4
LT		 2351/*
2352 * input MUX helper
2353 */
0ba21762
TI		 2354int snd_hda_input_mux_info(const struct hda_input_mux *imux,
2355 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 2356{
2357 unsigned int index;
2358
2359 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2360 uinfo->count = 1;
2361 uinfo->value.enumerated.items = imux->num_items;
5513b0c5
TI		 2362 if (!imux->num_items)
2363 return 0;
1da177e4
LT		 2364 index = uinfo->value.enumerated.item;
2365 if (index >= imux->num_items)
2366 index = imux->num_items - 1;
2367 strcpy(uinfo->value.enumerated.name, imux->items[index].label);
2368 return 0;
2369}
2370
0ba21762
TI		 2371int snd_hda_input_mux_put(struct hda_codec *codec,
2372 const struct hda_input_mux *imux,
2373 struct snd_ctl_elem_value *ucontrol,
2374 hda_nid_t nid,
1da177e4
LT		 2375 unsigned int *cur_val)
2376{
2377 unsigned int idx;
2378
5513b0c5
TI		 2379 if (!imux->num_items)
2380 return 0;
1da177e4
LT		 2381 idx = ucontrol->value.enumerated.item[0];
2382 if (idx >= imux->num_items)
2383 idx = imux->num_items - 1;
82beb8fd 2384 if (*cur_val == idx)
1da177e4 2385 return 0;
82beb8fd
TI		 2386 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
2387 imux->items[idx].index);
1da177e4
LT		 2388 *cur_val = idx;
2389 return 1;
2390}
2391
2392
2393/*
2394 * Multi-channel / digital-out PCM helper functions
2395 */
2396
6b97eb45
TI		 2397/* setup SPDIF output stream */
2398static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
2399 unsigned int stream_tag, unsigned int format)
2400{
2401 /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2402 if (codec->spdif_ctls & AC_DIG1_ENABLE)
2403 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
2404 codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
2405 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
2406 /* turn on again (if needed) */
2407 if (codec->spdif_ctls & AC_DIG1_ENABLE)
2408 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
2409 codec->spdif_ctls & 0xff);
2410}
2411
1da177e4
LT		 2412/*
2413 * open the digital out in the exclusive mode
2414 */
0ba21762
TI		 2415int snd_hda_multi_out_dig_open(struct hda_codec *codec,
2416 struct hda_multi_out *mout)
1da177e4 2417{
62932df8 2418 mutex_lock(&codec->spdif_mutex);
5930ca41
TI		 2419 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
2420 /* already opened as analog dup; reset it once */
2421 snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
1da177e4 2422 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
62932df8 2423 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2424 return 0;
2425}
2426
6b97eb45
TI		 2427int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
2428 struct hda_multi_out *mout,
2429 unsigned int stream_tag,
2430 unsigned int format,
2431 struct snd_pcm_substream *substream)
2432{
2433 mutex_lock(&codec->spdif_mutex);
2434 setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
2435 mutex_unlock(&codec->spdif_mutex);
2436 return 0;
2437}
2438
1da177e4
LT		 2439/*
2440 * release the digital out
2441 */
0ba21762
TI		 2442int snd_hda_multi_out_dig_close(struct hda_codec *codec,
2443 struct hda_multi_out *mout)
1da177e4 2444{
62932df8 2445 mutex_lock(&codec->spdif_mutex);
1da177e4 2446 mout->dig_out_used = 0;
62932df8 2447 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2448 return 0;
2449}
2450
2451/*
2452 * set up more restrictions for analog out
2453 */
0ba21762
TI		 2454int snd_hda_multi_out_analog_open(struct hda_codec *codec,
2455 struct hda_multi_out *mout,
c8b6bf9b 2456 struct snd_pcm_substream *substream)
1da177e4
LT		 2457{
2458 substream->runtime->hw.channels_max = mout->max_channels;
2459 return snd_pcm_hw_constraint_step(substream->runtime, 0,
2460 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2461}
2462
2463/*
2464 * set up the i/o for analog out
2465 * when the digital out is available, copy the front out to digital out, too.
2466 */
0ba21762
TI		 2467int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
2468 struct hda_multi_out *mout,
1da177e4
LT		 2469 unsigned int stream_tag,
2470 unsigned int format,
c8b6bf9b 2471 struct snd_pcm_substream *substream)
1da177e4
LT		 2472{
2473 hda_nid_t *nids = mout->dac_nids;
2474 int chs = substream->runtime->channels;
2475 int i;
2476
62932df8 2477 mutex_lock(&codec->spdif_mutex);
1da177e4
LT		 2478 if (mout->dig_out_nid && mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
2479 if (chs == 2 &&
0ba21762
TI		 2480 snd_hda_is_supported_format(codec, mout->dig_out_nid,
2481 format) &&
2482 !(codec->spdif_status & IEC958_AES0_NONAUDIO)) {
1da177e4 2483 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
6b97eb45
TI		 2484 setup_dig_out_stream(codec, mout->dig_out_nid,
2485 stream_tag, format);
1da177e4
LT		 2486 } else {
2487 mout->dig_out_used = 0;
0ba21762
TI		 2488 snd_hda_codec_setup_stream(codec, mout->dig_out_nid,
2489 0, 0, 0);
1da177e4
LT		 2490 }
2491 }
62932df8 2492 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2493
2494 /* front */
0ba21762
TI		 2495 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
2496 0, format);
d29240ce
TI		 2497 if (!mout->no_share_stream &&
2498 mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
1da177e4 2499 /* headphone out will just decode front left/right (stereo) */
0ba21762
TI		 2500 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
2501 0, format);
82bc955f
TI		 2502 /* extra outputs copied from front */
2503 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
d29240ce 2504 if (!mout->no_share_stream && mout->extra_out_nid[i])
82bc955f
TI		 2505 snd_hda_codec_setup_stream(codec,
2506 mout->extra_out_nid[i],
2507 stream_tag, 0, format);
2508
1da177e4
LT		 2509 /* surrounds */
2510 for (i = 1; i < mout->num_dacs; i++) {
4b3acaf5 2511 if (chs >= (i + 1) * 2) /* independent out */
0ba21762
TI		 2512 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2513 i * 2, format);
d29240ce 2514 else if (!mout->no_share_stream) /* copy front */
0ba21762
TI		 2515 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2516 0, format);
1da177e4
LT		 2517 }
2518 return 0;
2519}
2520
2521/*
2522 * clean up the setting for analog out
2523 */
0ba21762
TI		 2524int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
2525 struct hda_multi_out *mout)
1da177e4
LT		 2526{
2527 hda_nid_t *nids = mout->dac_nids;
2528 int i;
2529
2530 for (i = 0; i < mout->num_dacs; i++)
2531 snd_hda_codec_setup_stream(codec, nids[i], 0, 0, 0);
2532 if (mout->hp_nid)
2533 snd_hda_codec_setup_stream(codec, mout->hp_nid, 0, 0, 0);
82bc955f
TI		 2534 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2535 if (mout->extra_out_nid[i])
2536 snd_hda_codec_setup_stream(codec,
2537 mout->extra_out_nid[i],
2538 0, 0, 0);
62932df8 2539 mutex_lock(&codec->spdif_mutex);
1da177e4
LT		 2540 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
2541 snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
2542 mout->dig_out_used = 0;
2543 }
62932df8 2544 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2545 return 0;
2546}
2547
e9edcee0
TI		 2548/*
2549 * Helper for automatic ping configuration
2550 */
df694daa 2551
12f288bf 2552static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list)
df694daa
KY		 2553{
2554 for (; *list; list++)
2555 if (*list == nid)
2556 return 1;
2557 return 0;
2558}
2559
81937d3b
SL		 2560
2561/*
2562 * Sort an associated group of pins according to their sequence numbers.
2563 */
2564static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences,
2565 int num_pins)
2566{
2567 int i, j;
2568 short seq;
2569 hda_nid_t nid;
2570
2571 for (i = 0; i < num_pins; i++) {
2572 for (j = i + 1; j < num_pins; j++) {
2573 if (sequences[i] > sequences[j]) {
2574 seq = sequences[i];
2575 sequences[i] = sequences[j];
2576 sequences[j] = seq;
2577 nid = pins[i];
2578 pins[i] = pins[j];
2579 pins[j] = nid;
2580 }
2581 }
2582 }
2583}
2584
2585
82bc955f
TI		 2586/*
2587 * Parse all pin widgets and store the useful pin nids to cfg
2588 *
2589 * The number of line-outs or any primary output is stored in line_outs,
2590 * and the corresponding output pins are assigned to line_out_pins[],
2591 * in the order of front, rear, CLFE, side, ...
2592 *
2593 * If more extra outputs (speaker and headphone) are found, the pins are
eb06ed8f 2594 * assisnged to hp_pins[] and speaker_pins[], respectively. If no line-out jack
82bc955f
TI		 2595 * is detected, one of speaker of HP pins is assigned as the primary
2596 * output, i.e. to line_out_pins[0]. So, line_outs is always positive
2597 * if any analog output exists.
2598 *
2599 * The analog input pins are assigned to input_pins array.
2600 * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
2601 * respectively.
2602 */
12f288bf
TI		 2603int snd_hda_parse_pin_def_config(struct hda_codec *codec,
2604 struct auto_pin_cfg *cfg,
2605 hda_nid_t *ignore_nids)
e9edcee0
TI		 2606{
2607 hda_nid_t nid, nid_start;
81937d3b
SL		 2608 int nodes;
2609 short seq, assoc_line_out, assoc_speaker;
2610 short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)];
2611 short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)];
f889fa91 2612 short sequences_hp[ARRAY_SIZE(cfg->hp_pins)];
e9edcee0
TI		 2613
2614 memset(cfg, 0, sizeof(*cfg));
2615
81937d3b
SL		 2616 memset(sequences_line_out, 0, sizeof(sequences_line_out));
2617 memset(sequences_speaker, 0, sizeof(sequences_speaker));
f889fa91 2618 memset(sequences_hp, 0, sizeof(sequences_hp));
81937d3b 2619 assoc_line_out = assoc_speaker = 0;
e9edcee0
TI		 2620
2621 nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid_start);
2622 for (nid = nid_start; nid < nodes + nid_start; nid++) {
54d17403 2623 unsigned int wid_caps = get_wcaps(codec, nid);
0ba21762
TI		 2624 unsigned int wid_type =
2625 (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
e9edcee0
TI		 2626 unsigned int def_conf;
2627 short assoc, loc;
2628
2629 /* read all default configuration for pin complex */
2630 if (wid_type != AC_WID_PIN)
2631 continue;
df694daa
KY		 2632 /* ignore the given nids (e.g. pc-beep returns error) */
2633 if (ignore_nids && is_in_nid_list(nid, ignore_nids))
2634 continue;
2635
0ba21762
TI		 2636 def_conf = snd_hda_codec_read(codec, nid, 0,
2637 AC_VERB_GET_CONFIG_DEFAULT, 0);
e9edcee0
TI		 2638 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
2639 continue;
2640 loc = get_defcfg_location(def_conf);
2641 switch (get_defcfg_device(def_conf)) {
2642 case AC_JACK_LINE_OUT:
e9edcee0
TI		 2643 seq = get_defcfg_sequence(def_conf);
2644 assoc = get_defcfg_association(def_conf);
0ba21762 2645 if (!assoc)
e9edcee0 2646 continue;
0ba21762 2647 if (!assoc_line_out)
e9edcee0
TI		 2648 assoc_line_out = assoc;
2649 else if (assoc_line_out != assoc)
2650 continue;
2651 if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
2652 continue;
2653 cfg->line_out_pins[cfg->line_outs] = nid;
81937d3b 2654 sequences_line_out[cfg->line_outs] = seq;
e9edcee0
TI		 2655 cfg->line_outs++;
2656 break;
8d88bc3d 2657 case AC_JACK_SPEAKER:
81937d3b
SL		 2658 seq = get_defcfg_sequence(def_conf);
2659 assoc = get_defcfg_association(def_conf);
2660 if (! assoc)
2661 continue;
2662 if (! assoc_speaker)
2663 assoc_speaker = assoc;
2664 else if (assoc_speaker != assoc)
2665 continue;
82bc955f
TI		 2666 if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
2667 continue;
2668 cfg->speaker_pins[cfg->speaker_outs] = nid;
81937d3b 2669 sequences_speaker[cfg->speaker_outs] = seq;
82bc955f 2670 cfg->speaker_outs++;
8d88bc3d 2671 break;
e9edcee0 2672 case AC_JACK_HP_OUT:
f889fa91
TI		 2673 seq = get_defcfg_sequence(def_conf);
2674 assoc = get_defcfg_association(def_conf);
eb06ed8f
TI		 2675 if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
2676 continue;
2677 cfg->hp_pins[cfg->hp_outs] = nid;
f889fa91 2678 sequences_hp[cfg->hp_outs] = (assoc << 4) | seq;
eb06ed8f 2679 cfg->hp_outs++;
e9edcee0 2680 break;
314634bc
TI		 2681 case AC_JACK_MIC_IN: {
2682 int preferred, alt;
2683 if (loc == AC_JACK_LOC_FRONT) {
2684 preferred = AUTO_PIN_FRONT_MIC;
2685 alt = AUTO_PIN_MIC;
2686 } else {
2687 preferred = AUTO_PIN_MIC;
2688 alt = AUTO_PIN_FRONT_MIC;
2689 }
2690 if (!cfg->input_pins[preferred])
2691 cfg->input_pins[preferred] = nid;
2692 else if (!cfg->input_pins[alt])
2693 cfg->input_pins[alt] = nid;
e9edcee0 2694 break;
314634bc 2695 }
e9edcee0
TI		 2696 case AC_JACK_LINE_IN:
2697 if (loc == AC_JACK_LOC_FRONT)
2698 cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
2699 else
2700 cfg->input_pins[AUTO_PIN_LINE] = nid;
2701 break;
2702 case AC_JACK_CD:
2703 cfg->input_pins[AUTO_PIN_CD] = nid;
2704 break;
2705 case AC_JACK_AUX:
2706 cfg->input_pins[AUTO_PIN_AUX] = nid;
2707 break;
2708 case AC_JACK_SPDIF_OUT:
2709 cfg->dig_out_pin = nid;
2710 break;
2711 case AC_JACK_SPDIF_IN:
2712 cfg->dig_in_pin = nid;
2713 break;
2714 }
2715 }
2716
2717 /* sort by sequence */
81937d3b
SL		 2718 sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out,
2719 cfg->line_outs);
2720 sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker,
2721 cfg->speaker_outs);
f889fa91
TI		 2722 sort_pins_by_sequence(cfg->hp_pins, sequences_hp,
2723 cfg->hp_outs);
81937d3b 2724
f889fa91
TI		 2725 /* if we have only one mic, make it AUTO_PIN_MIC */
2726 if (!cfg->input_pins[AUTO_PIN_MIC] &&
2727 cfg->input_pins[AUTO_PIN_FRONT_MIC]) {
2728 cfg->input_pins[AUTO_PIN_MIC] =
2729 cfg->input_pins[AUTO_PIN_FRONT_MIC];
2730 cfg->input_pins[AUTO_PIN_FRONT_MIC] = 0;
2731 }
2732 /* ditto for line-in */
2733 if (!cfg->input_pins[AUTO_PIN_LINE] &&
2734 cfg->input_pins[AUTO_PIN_FRONT_LINE]) {
2735 cfg->input_pins[AUTO_PIN_LINE] =
2736 cfg->input_pins[AUTO_PIN_FRONT_LINE];
2737 cfg->input_pins[AUTO_PIN_FRONT_LINE] = 0;
2738 }
2739
81937d3b
SL		 2740 /*
2741 * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
2742 * as a primary output
2743 */
2744 if (!cfg->line_outs) {
2745 if (cfg->speaker_outs) {
2746 cfg->line_outs = cfg->speaker_outs;
2747 memcpy(cfg->line_out_pins, cfg->speaker_pins,
2748 sizeof(cfg->speaker_pins));
2749 cfg->speaker_outs = 0;
2750 memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
2751 cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
2752 } else if (cfg->hp_outs) {
2753 cfg->line_outs = cfg->hp_outs;
2754 memcpy(cfg->line_out_pins, cfg->hp_pins,
2755 sizeof(cfg->hp_pins));
2756 cfg->hp_outs = 0;
2757 memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
2758 cfg->line_out_type = AUTO_PIN_HP_OUT;
2759 }
2760 }
e9edcee0 2761
cb8e2f83
TI		 2762 /* Reorder the surround channels
2763 * ALSA sequence is front/surr/clfe/side
2764 * HDA sequence is:
2765 * 4-ch: front/surr => OK as it is
2766 * 6-ch: front/clfe/surr
9422db40 2767 * 8-ch: front/clfe/rear/side|fc
cb8e2f83
TI		 2768 */
2769 switch (cfg->line_outs) {
2770 case 3:
cb8e2f83
TI		 2771 case 4:
2772 nid = cfg->line_out_pins[1];
9422db40 2773 cfg->line_out_pins[1] = cfg->line_out_pins[2];
cb8e2f83
TI		 2774 cfg->line_out_pins[2] = nid;
2775 break;
e9edcee0
TI		 2776 }
2777
82bc955f
TI		 2778 /*
2779 * debug prints of the parsed results
2780 */
2781 snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2782 cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
2783 cfg->line_out_pins[2], cfg->line_out_pins[3],
2784 cfg->line_out_pins[4]);
2785 snd_printd(" speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2786 cfg->speaker_outs, cfg->speaker_pins[0],
2787 cfg->speaker_pins[1], cfg->speaker_pins[2],
2788 cfg->speaker_pins[3], cfg->speaker_pins[4]);
eb06ed8f
TI		 2789 snd_printd(" hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2790 cfg->hp_outs, cfg->hp_pins[0],
2791 cfg->hp_pins[1], cfg->hp_pins[2],
2792 cfg->hp_pins[3], cfg->hp_pins[4]);
82bc955f
TI		 2793 snd_printd(" inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
2794 " cd=0x%x, aux=0x%x\n",
2795 cfg->input_pins[AUTO_PIN_MIC],
2796 cfg->input_pins[AUTO_PIN_FRONT_MIC],
2797 cfg->input_pins[AUTO_PIN_LINE],
2798 cfg->input_pins[AUTO_PIN_FRONT_LINE],
2799 cfg->input_pins[AUTO_PIN_CD],
2800 cfg->input_pins[AUTO_PIN_AUX]);
2801
e9edcee0
TI		 2802 return 0;
2803}
2804
4a471b7d
TI		 2805/* labels for input pins */
2806const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
2807 "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
2808};
2809
2810
1da177e4
LT		 2811#ifdef CONFIG_PM
2812/*
2813 * power management
2814 */
2815
2816/**
2817 * snd_hda_suspend - suspend the codecs
2818 * @bus: the HDA bus
2819 * @state: suspsend state
2820 *
2821 * Returns 0 if successful.
2822 */
2823int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
2824{
0ba21762 2825 struct hda_codec *codec;
1da177e4 2826
0ba21762 2827 list_for_each_entry(codec, &bus->codec_list, list) {
0b7a2e9c
TI		 2828#ifdef CONFIG_SND_HDA_POWER_SAVE
2829 if (!codec->power_on)
2830 continue;
2831#endif
cb53c626 2832 hda_call_codec_suspend(codec);
1da177e4
LT		 2833 }
2834 return 0;
2835}
2836
2837/**
2838 * snd_hda_resume - resume the codecs
2839 * @bus: the HDA bus
2840 * @state: resume state
2841 *
2842 * Returns 0 if successful.
cb53c626
TI		 2843 *
2844 * This fucntion is defined only when POWER_SAVE isn't set.
2845 * In the power-save mode, the codec is resumed dynamically.
1da177e4
LT		 2846 */
2847int snd_hda_resume(struct hda_bus *bus)
2848{
0ba21762 2849 struct hda_codec *codec;
1da177e4 2850
0ba21762 2851 list_for_each_entry(codec, &bus->codec_list, list) {
d804ad92
ML		 2852 if (snd_hda_codec_needs_resume(codec))
2853 hda_call_codec_resume(codec);
1da177e4 2854 }
1da177e4
LT		 2855 return 0;
2856}
d804ad92
ML		 2857#ifdef CONFIG_SND_HDA_POWER_SAVE
2858int snd_hda_codecs_inuse(struct hda_bus *bus)
2859{
2860 struct hda_codec *codec;
1da177e4 2861
d804ad92
ML		 2862 list_for_each_entry(codec, &bus->codec_list, list) {
2863 if (snd_hda_codec_needs_resume(codec))
2864 return 1;
2865 }
2866 return 0;
2867}
2868#endif
1da177e4 2869#endif
Linux kernel - Deliverables
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