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[net-next-2.6.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>
27#include <linux/moduleparam.h>
62932df8 28#include <linux/mutex.h>
1da177e4
LT		 29#include <sound/core.h>
30#include "hda_codec.h"
31#include <sound/asoundef.h>
302e9c5a 32#include <sound/tlv.h>
1da177e4
LT		 33#include <sound/initval.h>
34#include "hda_local.h"
35
36
37MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
38MODULE_DESCRIPTION("Universal interface for High Definition Audio Codec");
39MODULE_LICENSE("GPL");
40
41
42/*
43 * vendor / preset table
44 */
45
46struct hda_vendor_id {
47 unsigned int id;
48 const char *name;
49};
50
51/* codec vendor labels */
52static struct hda_vendor_id hda_vendor_ids[] = {
53 { 0x10ec, "Realtek" },
a9226251 54 { 0x1057, "Motorola" },
54b903ec 55 { 0x11d4, "Analog Devices" },
1da177e4 56 { 0x13f6, "C-Media" },
a9226251 57 { 0x14f1, "Conexant" },
1da177e4 58 { 0x434d, "C-Media" },
2f2f4251 59 { 0x8384, "SigmaTel" },
1da177e4
LT		 60 {} /* terminator */
61};
62
63/* codec presets */
64#include "hda_patch.h"
65
66
67/**
68 * snd_hda_codec_read - send a command and get the response
69 * @codec: the HDA codec
70 * @nid: NID to send the command
71 * @direct: direct flag
72 * @verb: the verb to send
73 * @parm: the parameter for the verb
74 *
75 * Send a single command and read the corresponding response.
76 *
77 * Returns the obtained response value, or -1 for an error.
78 */
79unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, int direct,
80 unsigned int verb, unsigned int parm)
81{
82 unsigned int res;
62932df8 83 mutex_lock(&codec->bus->cmd_mutex);
1da177e4
LT		 84 if (! codec->bus->ops.command(codec, nid, direct, verb, parm))
85 res = codec->bus->ops.get_response(codec);
86 else
87 res = (unsigned int)-1;
62932df8 88 mutex_unlock(&codec->bus->cmd_mutex);
1da177e4
LT		 89 return res;
90}
91
e5e8a1d4
TI		 92EXPORT_SYMBOL(snd_hda_codec_read);
93
1da177e4
LT		 94/**
95 * snd_hda_codec_write - send a single command without waiting for response
96 * @codec: the HDA codec
97 * @nid: NID to send the command
98 * @direct: direct flag
99 * @verb: the verb to send
100 * @parm: the parameter for the verb
101 *
102 * Send a single command without waiting for response.
103 *
104 * Returns 0 if successful, or a negative error code.
105 */
106int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
107 unsigned int verb, unsigned int parm)
108{
109 int err;
62932df8 110 mutex_lock(&codec->bus->cmd_mutex);
1da177e4 111 err = codec->bus->ops.command(codec, nid, direct, verb, parm);
62932df8 112 mutex_unlock(&codec->bus->cmd_mutex);
1da177e4
LT		 113 return err;
114}
115
e5e8a1d4
TI		 116EXPORT_SYMBOL(snd_hda_codec_write);
117
1da177e4
LT		 118/**
119 * snd_hda_sequence_write - sequence writes
120 * @codec: the HDA codec
121 * @seq: VERB array to send
122 *
123 * Send the commands sequentially from the given array.
124 * The array must be terminated with NID=0.
125 */
126void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
127{
128 for (; seq->nid; seq++)
129 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
130}
131
e5e8a1d4
TI		 132EXPORT_SYMBOL(snd_hda_sequence_write);
133
1da177e4
LT		 134/**
135 * snd_hda_get_sub_nodes - get the range of sub nodes
136 * @codec: the HDA codec
137 * @nid: NID to parse
138 * @start_id: the pointer to store the start NID
139 *
140 * Parse the NID and store the start NID of its sub-nodes.
141 * Returns the number of sub-nodes.
142 */
143int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid, hda_nid_t *start_id)
144{
145 unsigned int parm;
146
147 parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
148 *start_id = (parm >> 16) & 0x7fff;
149 return (int)(parm & 0x7fff);
150}
151
e5e8a1d4
TI		 152EXPORT_SYMBOL(snd_hda_get_sub_nodes);
153
1da177e4
LT		 154/**
155 * snd_hda_get_connections - get connection list
156 * @codec: the HDA codec
157 * @nid: NID to parse
158 * @conn_list: connection list array
159 * @max_conns: max. number of connections to store
160 *
161 * Parses the connection list of the given widget and stores the list
162 * of NIDs.
163 *
164 * Returns the number of connections, or a negative error code.
165 */
166int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
167 hda_nid_t *conn_list, int max_conns)
168{
169 unsigned int parm;
54d17403 170 int i, conn_len, conns;
1da177e4 171 unsigned int shift, num_elems, mask;
54d17403 172 hda_nid_t prev_nid;
1da177e4
LT		 173
174 snd_assert(conn_list && max_conns > 0, return -EINVAL);
175
176 parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN);
177 if (parm & AC_CLIST_LONG) {
178 /* long form */
179 shift = 16;
180 num_elems = 2;
181 } else {
182 /* short form */
183 shift = 8;
184 num_elems = 4;
185 }
186 conn_len = parm & AC_CLIST_LENGTH;
1da177e4
LT		 187 mask = (1 << (shift-1)) - 1;
188
189 if (! conn_len)
190 return 0; /* no connection */
191
192 if (conn_len == 1) {
193 /* single connection */
194 parm = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONNECT_LIST, 0);
195 conn_list[0] = parm & mask;
196 return 1;
197 }
198
199 /* multi connection */
200 conns = 0;
54d17403
TI		 201 prev_nid = 0;
202 for (i = 0; i < conn_len; i++) {
203 int range_val;
204 hda_nid_t val, n;
205
206 if (i % num_elems == 0)
207 parm = snd_hda_codec_read(codec, nid, 0,
208 AC_VERB_GET_CONNECT_LIST, i);
209 range_val = !! (parm & (1 << (shift-1))); /* ranges */
210 val = parm & mask;
211 parm >>= shift;
212 if (range_val) {
213 /* ranges between the previous and this one */
214 if (! prev_nid || prev_nid >= val) {
215 snd_printk(KERN_WARNING "hda_codec: invalid dep_range_val %x:%x\n", prev_nid, val);
216 continue;
217 }
218 for (n = prev_nid + 1; n <= val; n++) {
219 if (conns >= max_conns) {
220 snd_printk(KERN_ERR "Too many connections\n");
1da177e4 221 return -EINVAL;
54d17403
TI		 222 }
223 conn_list[conns++] = n;
1da177e4 224 }
54d17403
TI		 225 } else {
226 if (conns >= max_conns) {
227 snd_printk(KERN_ERR "Too many connections\n");
228 return -EINVAL;
229 }
230 conn_list[conns++] = val;
1da177e4 231 }
54d17403 232 prev_nid = val;
1da177e4
LT		 233 }
234 return conns;
235}
236
237
238/**
239 * snd_hda_queue_unsol_event - add an unsolicited event to queue
240 * @bus: the BUS
241 * @res: unsolicited event (lower 32bit of RIRB entry)
242 * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
243 *
244 * Adds the given event to the queue. The events are processed in
245 * the workqueue asynchronously. Call this function in the interrupt
246 * hanlder when RIRB receives an unsolicited event.
247 *
248 * Returns 0 if successful, or a negative error code.
249 */
250int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
251{
252 struct hda_bus_unsolicited *unsol;
253 unsigned int wp;
254
255 if ((unsol = bus->unsol) == NULL)
256 return 0;
257
258 wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
259 unsol->wp = wp;
260
261 wp <<= 1;
262 unsol->queue[wp] = res;
263 unsol->queue[wp + 1] = res_ex;
264
265 queue_work(unsol->workq, &unsol->work);
266
267 return 0;
268}
269
e5e8a1d4
TI		 270EXPORT_SYMBOL(snd_hda_queue_unsol_event);
271
1da177e4
LT		 272/*
273 * process queueud unsolicited events
274 */
c4028958 275static void process_unsol_events(struct work_struct *work)
1da177e4 276{
c4028958
DH		 277 struct hda_bus_unsolicited *unsol =
278 container_of(work, struct hda_bus_unsolicited, work);
279 struct hda_bus *bus = unsol->bus;
1da177e4
LT		 280 struct hda_codec *codec;
281 unsigned int rp, caddr, res;
282
283 while (unsol->rp != unsol->wp) {
284 rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE;
285 unsol->rp = rp;
286 rp <<= 1;
287 res = unsol->queue[rp];
288 caddr = unsol->queue[rp + 1];
289 if (! (caddr & (1 << 4))) /* no unsolicited event? */
290 continue;
291 codec = bus->caddr_tbl[caddr & 0x0f];
292 if (codec && codec->patch_ops.unsol_event)
293 codec->patch_ops.unsol_event(codec, res);
294 }
295}
296
297/*
298 * initialize unsolicited queue
299 */
300static int init_unsol_queue(struct hda_bus *bus)
301{
302 struct hda_bus_unsolicited *unsol;
303
9f146bb6
TI		 304 if (bus->unsol) /* already initialized */
305 return 0;
306
e560d8d8 307 unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
1da177e4
LT		 308 if (! unsol) {
309 snd_printk(KERN_ERR "hda_codec: can't allocate unsolicited queue\n");
310 return -ENOMEM;
311 }
ce7415f4 312 unsol->workq = create_singlethread_workqueue("hda_codec");
1da177e4
LT		 313 if (! unsol->workq) {
314 snd_printk(KERN_ERR "hda_codec: can't create workqueue\n");
315 kfree(unsol);
316 return -ENOMEM;
317 }
c4028958
DH		 318 INIT_WORK(&unsol->work, process_unsol_events);
319 unsol->bus = bus;
1da177e4
LT		 320 bus->unsol = unsol;
321 return 0;
322}
323
324/*
325 * destructor
326 */
327static void snd_hda_codec_free(struct hda_codec *codec);
328
329static int snd_hda_bus_free(struct hda_bus *bus)
330{
331 struct list_head *p, *n;
332
333 if (! bus)
334 return 0;
335 if (bus->unsol) {
336 destroy_workqueue(bus->unsol->workq);
337 kfree(bus->unsol);
338 }
339 list_for_each_safe(p, n, &bus->codec_list) {
340 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
341 snd_hda_codec_free(codec);
342 }
343 if (bus->ops.private_free)
344 bus->ops.private_free(bus);
345 kfree(bus);
346 return 0;
347}
348
c8b6bf9b 349static int snd_hda_bus_dev_free(struct snd_device *device)
1da177e4
LT		 350{
351 struct hda_bus *bus = device->device_data;
352 return snd_hda_bus_free(bus);
353}
354
355/**
356 * snd_hda_bus_new - create a HDA bus
357 * @card: the card entry
358 * @temp: the template for hda_bus information
359 * @busp: the pointer to store the created bus instance
360 *
361 * Returns 0 if successful, or a negative error code.
362 */
c8b6bf9b 363int snd_hda_bus_new(struct snd_card *card, const struct hda_bus_template *temp,
1da177e4
LT		 364 struct hda_bus **busp)
365{
366 struct hda_bus *bus;
367 int err;
c8b6bf9b 368 static struct snd_device_ops dev_ops = {
1da177e4
LT		 369 .dev_free = snd_hda_bus_dev_free,
370 };
371
372 snd_assert(temp, return -EINVAL);
373 snd_assert(temp->ops.command && temp->ops.get_response, return -EINVAL);
374
375 if (busp)
376 *busp = NULL;
377
e560d8d8 378 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1da177e4
LT		 379 if (bus == NULL) {
380 snd_printk(KERN_ERR "can't allocate struct hda_bus\n");
381 return -ENOMEM;
382 }
383
384 bus->card = card;
385 bus->private_data = temp->private_data;
386 bus->pci = temp->pci;
387 bus->modelname = temp->modelname;
388 bus->ops = temp->ops;
389
62932df8 390 mutex_init(&bus->cmd_mutex);
1da177e4
LT		 391 INIT_LIST_HEAD(&bus->codec_list);
392
1da177e4
LT		 393 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
394 snd_hda_bus_free(bus);
395 return err;
396 }
397 if (busp)
398 *busp = bus;
399 return 0;
400}
401
e5e8a1d4 402EXPORT_SYMBOL(snd_hda_bus_new);
1da177e4
LT		 403
404/*
405 * find a matching codec preset
406 */
407static const struct hda_codec_preset *find_codec_preset(struct hda_codec *codec)
408{
409 const struct hda_codec_preset **tbl, *preset;
410
411 for (tbl = hda_preset_tables; *tbl; tbl++) {
412 for (preset = *tbl; preset->id; preset++) {
413 u32 mask = preset->mask;
414 if (! mask)
415 mask = ~0;
9c7f852e
TI		 416 if (preset->id == (codec->vendor_id & mask) &&
417 (! preset->rev ||
418 preset->rev == codec->revision_id))
1da177e4
LT		 419 return preset;
420 }
421 }
422 return NULL;
423}
424
425/*
426 * snd_hda_get_codec_name - store the codec name
427 */
428void snd_hda_get_codec_name(struct hda_codec *codec,
429 char *name, int namelen)
430{
431 const struct hda_vendor_id *c;
432 const char *vendor = NULL;
433 u16 vendor_id = codec->vendor_id >> 16;
434 char tmp[16];
435
436 for (c = hda_vendor_ids; c->id; c++) {
437 if (c->id == vendor_id) {
438 vendor = c->name;
439 break;
440 }
441 }
442 if (! vendor) {
443 sprintf(tmp, "Generic %04x", vendor_id);
444 vendor = tmp;
445 }
446 if (codec->preset && codec->preset->name)
447 snprintf(name, namelen, "%s %s", vendor, codec->preset->name);
448 else
449 snprintf(name, namelen, "%s ID %x", vendor, codec->vendor_id & 0xffff);
450}
451
452/*
673b683a 453 * look for an AFG and MFG nodes
1da177e4 454 */
673b683a 455static void setup_fg_nodes(struct hda_codec *codec)
1da177e4
LT		 456{
457 int i, total_nodes;
458 hda_nid_t nid;
459
460 total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
461 for (i = 0; i < total_nodes; i++, nid++) {
673b683a
SK		 462 switch((snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE) & 0xff)) {
463 case AC_GRP_AUDIO_FUNCTION:
464 codec->afg = nid;
465 break;
466 case AC_GRP_MODEM_FUNCTION:
467 codec->mfg = nid;
468 break;
469 default:
470 break;
471 }
1da177e4 472 }
1da177e4
LT		 473}
474
54d17403
TI		 475/*
476 * read widget caps for each widget and store in cache
477 */
478static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
479{
480 int i;
481 hda_nid_t nid;
482
483 codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node,
484 &codec->start_nid);
485 codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL);
486 if (! codec->wcaps)
487 return -ENOMEM;
488 nid = codec->start_nid;
489 for (i = 0; i < codec->num_nodes; i++, nid++)
490 codec->wcaps[i] = snd_hda_param_read(codec, nid,
491 AC_PAR_AUDIO_WIDGET_CAP);
492 return 0;
493}
494
495
1da177e4
LT		 496/*
497 * codec destructor
498 */
499static void snd_hda_codec_free(struct hda_codec *codec)
500{
501 if (! codec)
502 return;
503 list_del(&codec->list);
504 codec->bus->caddr_tbl[codec->addr] = NULL;
505 if (codec->patch_ops.free)
506 codec->patch_ops.free(codec);
d031166f 507 kfree(codec->amp_info);
54d17403 508 kfree(codec->wcaps);
1da177e4
LT		 509 kfree(codec);
510}
511
512static void init_amp_hash(struct hda_codec *codec);
513
514/**
515 * snd_hda_codec_new - create a HDA codec
516 * @bus: the bus to assign
517 * @codec_addr: the codec address
518 * @codecp: the pointer to store the generated codec
519 *
520 * Returns 0 if successful, or a negative error code.
521 */
522int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
523 struct hda_codec **codecp)
524{
525 struct hda_codec *codec;
526 char component[13];
527 int err;
528
529 snd_assert(bus, return -EINVAL);
530 snd_assert(codec_addr <= HDA_MAX_CODEC_ADDRESS, return -EINVAL);
531
532 if (bus->caddr_tbl[codec_addr]) {
533 snd_printk(KERN_ERR "hda_codec: address 0x%x is already occupied\n", codec_addr);
534 return -EBUSY;
535 }
536
e560d8d8 537 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
1da177e4
LT		 538 if (codec == NULL) {
539 snd_printk(KERN_ERR "can't allocate struct hda_codec\n");
540 return -ENOMEM;
541 }
542
543 codec->bus = bus;
544 codec->addr = codec_addr;
62932df8 545 mutex_init(&codec->spdif_mutex);
1da177e4
LT		 546 init_amp_hash(codec);
547
548 list_add_tail(&codec->list, &bus->codec_list);
549 bus->caddr_tbl[codec_addr] = codec;
550
551 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_VENDOR_ID);
111d3af5
TI		 552 if (codec->vendor_id == -1)
553 /* read again, hopefully the access method was corrected
554 * in the last read...
555 */
556 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
557 AC_PAR_VENDOR_ID);
1da177e4
LT		 558 codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_SUBSYSTEM_ID);
559 codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_REV_ID);
560
673b683a
SK		 561 setup_fg_nodes(codec);
562 if (! codec->afg && ! codec->mfg) {
563 snd_printdd("hda_codec: no AFG or MFG node found\n");
1da177e4
LT		 564 snd_hda_codec_free(codec);
565 return -ENODEV;
566 }
567
54d17403
TI		 568 if (read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg) < 0) {
569 snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
570 snd_hda_codec_free(codec);
571 return -ENOMEM;
572 }
573
86284e45
TI		 574 if (! codec->subsystem_id) {
575 hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
576 codec->subsystem_id = snd_hda_codec_read(codec, nid, 0,
577 AC_VERB_GET_SUBSYSTEM_ID,
578 0);
579 }
580
1da177e4
LT		 581 codec->preset = find_codec_preset(codec);
582 if (! *bus->card->mixername)
583 snd_hda_get_codec_name(codec, bus->card->mixername,
584 sizeof(bus->card->mixername));
585
586 if (codec->preset && codec->preset->patch)
587 err = codec->preset->patch(codec);
588 else
589 err = snd_hda_parse_generic_codec(codec);
590 if (err < 0) {
591 snd_hda_codec_free(codec);
592 return err;
593 }
594
9f146bb6
TI		 595 if (codec->patch_ops.unsol_event)
596 init_unsol_queue(bus);
597
1da177e4
LT		 598 snd_hda_codec_proc_new(codec);
599
600 sprintf(component, "HDA:%08x", codec->vendor_id);
601 snd_component_add(codec->bus->card, component);
602
603 if (codecp)
604 *codecp = codec;
605 return 0;
606}
607
e5e8a1d4
TI		 608EXPORT_SYMBOL(snd_hda_codec_new);
609
1da177e4
LT		 610/**
611 * snd_hda_codec_setup_stream - set up the codec for streaming
612 * @codec: the CODEC to set up
613 * @nid: the NID to set up
614 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
615 * @channel_id: channel id to pass, zero based.
616 * @format: stream format.
617 */
618void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, u32 stream_tag,
619 int channel_id, int format)
620{
d21b37ea
TI		 621 if (! nid)
622 return;
623
1da177e4
LT		 624 snd_printdd("hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
625 nid, stream_tag, channel_id, format);
626 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID,
627 (stream_tag << 4) | channel_id);
628 msleep(1);
629 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
630}
631
e5e8a1d4 632EXPORT_SYMBOL(snd_hda_codec_setup_stream);
1da177e4
LT		 633
634/*
635 * amp access functions
636 */
637
4a19faee
TI		 638/* FIXME: more better hash key? */
639#define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
1da177e4 640#define INFO_AMP_CAPS (1<<0)
4a19faee 641#define INFO_AMP_VOL(ch) (1 << (1 + (ch)))
1da177e4
LT		 642
643/* initialize the hash table */
644static void init_amp_hash(struct hda_codec *codec)
645{
646 memset(codec->amp_hash, 0xff, sizeof(codec->amp_hash));
647 codec->num_amp_entries = 0;
d031166f
TI		 648 codec->amp_info_size = 0;
649 codec->amp_info = NULL;
1da177e4
LT		 650}
651
652/* query the hash. allocate an entry if not found. */
653static struct hda_amp_info *get_alloc_amp_hash(struct hda_codec *codec, u32 key)
654{
655 u16 idx = key % (u16)ARRAY_SIZE(codec->amp_hash);
656 u16 cur = codec->amp_hash[idx];
657 struct hda_amp_info *info;
658
659 while (cur != 0xffff) {
660 info = &codec->amp_info[cur];
661 if (info->key == key)
662 return info;
663 cur = info->next;
664 }
665
666 /* add a new hash entry */
d031166f
TI		 667 if (codec->num_amp_entries >= codec->amp_info_size) {
668 /* reallocate the array */
669 int new_size = codec->amp_info_size + 64;
670 struct hda_amp_info *new_info = kcalloc(new_size, sizeof(struct hda_amp_info),
671 GFP_KERNEL);
672 if (! new_info) {
673 snd_printk(KERN_ERR "hda_codec: can't malloc amp_info\n");
674 return NULL;
675 }
676 if (codec->amp_info) {
677 memcpy(new_info, codec->amp_info,
678 codec->amp_info_size * sizeof(struct hda_amp_info));
679 kfree(codec->amp_info);
680 }
681 codec->amp_info_size = new_size;
682 codec->amp_info = new_info;
1da177e4
LT		 683 }
684 cur = codec->num_amp_entries++;
685 info = &codec->amp_info[cur];
686 info->key = key;
687 info->status = 0; /* not initialized yet */
688 info->next = codec->amp_hash[idx];
689 codec->amp_hash[idx] = cur;
690
691 return info;
692}
693
694/*
695 * query AMP capabilities for the given widget and direction
696 */
697static u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
698{
699 struct hda_amp_info *info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0));
700
701 if (! info)
702 return 0;
703 if (! (info->status & INFO_AMP_CAPS)) {
54d17403 704 if (! (get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
1da177e4
LT		 705 nid = codec->afg;
706 info->amp_caps = snd_hda_param_read(codec, nid, direction == HDA_OUTPUT ?
707 AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
708 info->status |= INFO_AMP_CAPS;
709 }
710 return info->amp_caps;
711}
712
713/*
714 * read the current volume to info
4a19faee 715 * if the cache exists, read the cache value.
1da177e4 716 */
4a19faee 717static unsigned int get_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
1da177e4
LT		 718 hda_nid_t nid, int ch, int direction, int index)
719{
720 u32 val, parm;
721
4a19faee
TI		 722 if (info->status & INFO_AMP_VOL(ch))
723 return info->vol[ch];
1da177e4
LT		 724
725 parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
726 parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
727 parm |= index;
728 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE, parm);
729 info->vol[ch] = val & 0xff;
4a19faee
TI		 730 info->status |= INFO_AMP_VOL(ch);
731 return info->vol[ch];
1da177e4
LT		 732}
733
734/*
4a19faee 735 * write the current volume in info to the h/w and update the cache
1da177e4 736 */
4a19faee 737static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
1da177e4
LT		 738 hda_nid_t nid, int ch, int direction, int index, int val)
739{
740 u32 parm;
741
742 parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
743 parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
744 parm |= index << AC_AMP_SET_INDEX_SHIFT;
745 parm |= val;
746 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
4a19faee 747 info->vol[ch] = val;
1da177e4
LT		 748}
749
750/*
4a19faee 751 * read AMP value. The volume is between 0 to 0x7f, 0x80 = mute bit.
1da177e4 752 */
834be88d
TI		 753int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
754 int direction, int index)
1da177e4
LT		 755{
756 struct hda_amp_info *info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
757 if (! info)
758 return 0;
4a19faee 759 return get_vol_mute(codec, info, nid, ch, direction, index);
1da177e4
LT		 760}
761
4a19faee
TI		 762/*
763 * update the AMP value, mask = bit mask to set, val = the value
764 */
834be88d
TI		 765int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
766 int direction, int idx, int mask, int val)
1da177e4
LT		 767{
768 struct hda_amp_info *info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx));
4a19faee 769
1da177e4
LT		 770 if (! info)
771 return 0;
4a19faee
TI		 772 val &= mask;
773 val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask;
1da177e4
LT		 774 if (info->vol[ch] == val && ! codec->in_resume)
775 return 0;
4a19faee 776 put_vol_mute(codec, info, nid, ch, direction, idx, val);
1da177e4
LT		 777 return 1;
778}
779
780
781/*
782 * AMP control callbacks
783 */
784/* retrieve parameters from private_value */
785#define get_amp_nid(kc) ((kc)->private_value & 0xffff)
786#define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3)
787#define get_amp_direction(kc) (((kc)->private_value >> 18) & 0x1)
788#define get_amp_index(kc) (((kc)->private_value >> 19) & 0xf)
789
790/* volume */
c8b6bf9b 791int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 792{
793 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
794 u16 nid = get_amp_nid(kcontrol);
795 u8 chs = get_amp_channels(kcontrol);
796 int dir = get_amp_direction(kcontrol);
797 u32 caps;
798
799 caps = query_amp_caps(codec, nid, dir);
800 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; /* num steps */
801 if (! caps) {
802 printk(KERN_WARNING "hda_codec: num_steps = 0 for NID=0x%x\n", nid);
803 return -EINVAL;
804 }
805 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
806 uinfo->count = chs == 3 ? 2 : 1;
807 uinfo->value.integer.min = 0;
808 uinfo->value.integer.max = caps;
809 return 0;
810}
811
c8b6bf9b 812int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 813{
814 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
815 hda_nid_t nid = get_amp_nid(kcontrol);
816 int chs = get_amp_channels(kcontrol);
817 int dir = get_amp_direction(kcontrol);
818 int idx = get_amp_index(kcontrol);
819 long *valp = ucontrol->value.integer.value;
820
821 if (chs & 1)
822 *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & 0x7f;
823 if (chs & 2)
824 *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & 0x7f;
825 return 0;
826}
827
c8b6bf9b 828int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 829{
830 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
831 hda_nid_t nid = get_amp_nid(kcontrol);
832 int chs = get_amp_channels(kcontrol);
833 int dir = get_amp_direction(kcontrol);
834 int idx = get_amp_index(kcontrol);
1da177e4
LT		 835 long *valp = ucontrol->value.integer.value;
836 int change = 0;
837
b9f5a89c 838 if (chs & 1) {
4a19faee
TI		 839 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
840 0x7f, *valp);
b9f5a89c
NG		 841 valp++;
842 }
4a19faee
TI		 843 if (chs & 2)
844 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
b9f5a89c 845 0x7f, *valp);
1da177e4
LT		 846 return change;
847}
848
302e9c5a
JK		 849int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
850 unsigned int size, unsigned int __user *_tlv)
851{
852 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
853 hda_nid_t nid = get_amp_nid(kcontrol);
854 int dir = get_amp_direction(kcontrol);
855 u32 caps, val1, val2;
856
857 if (size < 4 * sizeof(unsigned int))
858 return -ENOMEM;
859 caps = query_amp_caps(codec, nid, dir);
860 val2 = (((caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT) + 1) * 25;
861 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
862 val1 = ((int)val1) * ((int)val2);
302e9c5a
JK		 863 if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
864 return -EFAULT;
865 if (put_user(2 * sizeof(unsigned int), _tlv + 1))
866 return -EFAULT;
867 if (put_user(val1, _tlv + 2))
868 return -EFAULT;
869 if (put_user(val2, _tlv + 3))
870 return -EFAULT;
871 return 0;
872}
873
1da177e4 874/* switch */
c8b6bf9b 875int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 876{
877 int chs = get_amp_channels(kcontrol);
878
879 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
880 uinfo->count = chs == 3 ? 2 : 1;
881 uinfo->value.integer.min = 0;
882 uinfo->value.integer.max = 1;
883 return 0;
884}
885
c8b6bf9b 886int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 887{
888 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
889 hda_nid_t nid = get_amp_nid(kcontrol);
890 int chs = get_amp_channels(kcontrol);
891 int dir = get_amp_direction(kcontrol);
892 int idx = get_amp_index(kcontrol);
893 long *valp = ucontrol->value.integer.value;
894
895 if (chs & 1)
896 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & 0x80) ? 0 : 1;
897 if (chs & 2)
898 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & 0x80) ? 0 : 1;
899 return 0;
900}
901
c8b6bf9b 902int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 903{
904 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
905 hda_nid_t nid = get_amp_nid(kcontrol);
906 int chs = get_amp_channels(kcontrol);
907 int dir = get_amp_direction(kcontrol);
908 int idx = get_amp_index(kcontrol);
1da177e4
LT		 909 long *valp = ucontrol->value.integer.value;
910 int change = 0;
911
b9f5a89c 912 if (chs & 1) {
4a19faee
TI		 913 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
914 0x80, *valp ? 0 : 0x80);
b9f5a89c
NG		 915 valp++;
916 }
4a19faee
TI		 917 if (chs & 2)
918 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
b9f5a89c
NG		 919 0x80, *valp ? 0 : 0x80);
920
1da177e4
LT		 921 return change;
922}
923
985be54b
TI		 924/*
925 * bound volume controls
926 *
927 * bind multiple volumes (# indices, from 0)
928 */
929
930#define AMP_VAL_IDX_SHIFT 19
931#define AMP_VAL_IDX_MASK (0x0f<<19)
932
c8b6bf9b 933int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
985be54b
TI		 934{
935 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
936 unsigned long pval;
937 int err;
938
62932df8 939 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
985be54b
TI		 940 pval = kcontrol->private_value;
941 kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
942 err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
943 kcontrol->private_value = pval;
62932df8 944 mutex_unlock(&codec->spdif_mutex);
985be54b
TI		 945 return err;
946}
947
c8b6bf9b 948int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
985be54b
TI		 949{
950 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
951 unsigned long pval;
952 int i, indices, err = 0, change = 0;
953
62932df8 954 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
985be54b
TI		 955 pval = kcontrol->private_value;
956 indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
957 for (i = 0; i < indices; i++) {
958 kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) | (i << AMP_VAL_IDX_SHIFT);
959 err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
960 if (err < 0)
961 break;
962 change |= err;
963 }
964 kcontrol->private_value = pval;
62932df8 965 mutex_unlock(&codec->spdif_mutex);
985be54b
TI		 966 return err < 0 ? err : change;
967}
968
1da177e4
LT		 969/*
970 * SPDIF out controls
971 */
972
c8b6bf9b 973static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 974{
975 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
976 uinfo->count = 1;
977 return 0;
978}
979
c8b6bf9b 980static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 981{
982 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
983 IEC958_AES0_NONAUDIO |
984 IEC958_AES0_CON_EMPHASIS_5015 |
985 IEC958_AES0_CON_NOT_COPYRIGHT;
986 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
987 IEC958_AES1_CON_ORIGINAL;
988 return 0;
989}
990
c8b6bf9b 991static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 992{
993 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
994 IEC958_AES0_NONAUDIO |
995 IEC958_AES0_PRO_EMPHASIS_5015;
996 return 0;
997}
998
c8b6bf9b 999static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1000{
1001 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1002
1003 ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff;
1004 ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff;
1005 ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff;
1006 ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff;
1007
1008 return 0;
1009}
1010
1011/* convert from SPDIF status bits to HDA SPDIF bits
1012 * bit 0 (DigEn) is always set zero (to be filled later)
1013 */
1014static unsigned short convert_from_spdif_status(unsigned int sbits)
1015{
1016 unsigned short val = 0;
1017
1018 if (sbits & IEC958_AES0_PROFESSIONAL)
1019 val |= 1 << 6;
1020 if (sbits & IEC958_AES0_NONAUDIO)
1021 val |= 1 << 5;
1022 if (sbits & IEC958_AES0_PROFESSIONAL) {
1023 if ((sbits & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
1024 val |= 1 << 3;
1025 } else {
1026 if ((sbits & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
1027 val |= 1 << 3;
1028 if (! (sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
1029 val |= 1 << 4;
1030 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
1031 val |= 1 << 7;
1032 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
1033 }
1034 return val;
1035}
1036
1037/* convert to SPDIF status bits from HDA SPDIF bits
1038 */
1039static unsigned int convert_to_spdif_status(unsigned short val)
1040{
1041 unsigned int sbits = 0;
1042
1043 if (val & (1 << 5))
1044 sbits |= IEC958_AES0_NONAUDIO;
1045 if (val & (1 << 6))
1046 sbits |= IEC958_AES0_PROFESSIONAL;
1047 if (sbits & IEC958_AES0_PROFESSIONAL) {
1048 if (sbits & (1 << 3))
1049 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
1050 } else {
1051 if (val & (1 << 3))
1052 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
1053 if (! (val & (1 << 4)))
1054 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
1055 if (val & (1 << 7))
1056 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
1057 sbits |= val & (0x7f << 8);
1058 }
1059 return sbits;
1060}
1061
c8b6bf9b 1062static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1063{
1064 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1065 hda_nid_t nid = kcontrol->private_value;
1066 unsigned short val;
1067 int change;
1068
62932df8 1069 mutex_lock(&codec->spdif_mutex);
1da177e4
LT		 1070 codec->spdif_status = ucontrol->value.iec958.status[0] |
1071 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
1072 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
1073 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
1074 val = convert_from_spdif_status(codec->spdif_status);
1075 val |= codec->spdif_ctls & 1;
1076 change = codec->spdif_ctls != val;
1077 codec->spdif_ctls = val;
1078
1079 if (change || codec->in_resume) {
1080 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, val & 0xff);
1081 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_2, val >> 8);
1082 }
1083
62932df8 1084 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1085 return change;
1086}
1087
c8b6bf9b 1088static int snd_hda_spdif_out_switch_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 1089{
1090 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1091 uinfo->count = 1;
1092 uinfo->value.integer.min = 0;
1093 uinfo->value.integer.max = 1;
1094 return 0;
1095}
1096
c8b6bf9b 1097static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1098{
1099 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1100
1101 ucontrol->value.integer.value[0] = codec->spdif_ctls & 1;
1102 return 0;
1103}
1104
c8b6bf9b 1105static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1106{
1107 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1108 hda_nid_t nid = kcontrol->private_value;
1109 unsigned short val;
1110 int change;
1111
62932df8 1112 mutex_lock(&codec->spdif_mutex);
1da177e4
LT		 1113 val = codec->spdif_ctls & ~1;
1114 if (ucontrol->value.integer.value[0])
1115 val |= 1;
1116 change = codec->spdif_ctls != val;
1117 if (change || codec->in_resume) {
1118 codec->spdif_ctls = val;
1119 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, val & 0xff);
1120 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE,
1121 AC_AMP_SET_RIGHT | AC_AMP_SET_LEFT |
1122 AC_AMP_SET_OUTPUT | ((val & 1) ? 0 : 0x80));
1123 }
62932df8 1124 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1125 return change;
1126}
1127
c8b6bf9b 1128static struct snd_kcontrol_new dig_mixes[] = {
1da177e4
LT		 1129 {
1130 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1131 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1132 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1133 .info = snd_hda_spdif_mask_info,
1134 .get = snd_hda_spdif_cmask_get,
1135 },
1136 {
1137 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1138 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1139 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1140 .info = snd_hda_spdif_mask_info,
1141 .get = snd_hda_spdif_pmask_get,
1142 },
1143 {
1144 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1145 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1146 .info = snd_hda_spdif_mask_info,
1147 .get = snd_hda_spdif_default_get,
1148 .put = snd_hda_spdif_default_put,
1149 },
1150 {
1151 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1152 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1153 .info = snd_hda_spdif_out_switch_info,
1154 .get = snd_hda_spdif_out_switch_get,
1155 .put = snd_hda_spdif_out_switch_put,
1156 },
1157 { } /* end */
1158};
1159
1160/**
1161 * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1162 * @codec: the HDA codec
1163 * @nid: audio out widget NID
1164 *
1165 * Creates controls related with the SPDIF output.
1166 * Called from each patch supporting the SPDIF out.
1167 *
1168 * Returns 0 if successful, or a negative error code.
1169 */
1170int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid)
1171{
1172 int err;
c8b6bf9b
TI		 1173 struct snd_kcontrol *kctl;
1174 struct snd_kcontrol_new *dig_mix;
1da177e4
LT		 1175
1176 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
1177 kctl = snd_ctl_new1(dig_mix, codec);
1178 kctl->private_value = nid;
1179 if ((err = snd_ctl_add(codec->bus->card, kctl)) < 0)
1180 return err;
1181 }
1182 codec->spdif_ctls = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0);
1183 codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
1184 return 0;
1185}
1186
1187/*
1188 * SPDIF input
1189 */
1190
1191#define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
1192
c8b6bf9b 1193static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1194{
1195 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1196
1197 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
1198 return 0;
1199}
1200
c8b6bf9b 1201static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1202{
1203 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1204 hda_nid_t nid = kcontrol->private_value;
1205 unsigned int val = !!ucontrol->value.integer.value[0];
1206 int change;
1207
62932df8 1208 mutex_lock(&codec->spdif_mutex);
1da177e4
LT		 1209 change = codec->spdif_in_enable != val;
1210 if (change || codec->in_resume) {
1211 codec->spdif_in_enable = val;
1212 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, val);
1213 }
62932df8 1214 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1215 return change;
1216}
1217
c8b6bf9b 1218static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1219{
1220 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1221 hda_nid_t nid = kcontrol->private_value;
1222 unsigned short val;
1223 unsigned int sbits;
1224
1225 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0);
1226 sbits = convert_to_spdif_status(val);
1227 ucontrol->value.iec958.status[0] = sbits;
1228 ucontrol->value.iec958.status[1] = sbits >> 8;
1229 ucontrol->value.iec958.status[2] = sbits >> 16;
1230 ucontrol->value.iec958.status[3] = sbits >> 24;
1231 return 0;
1232}
1233
c8b6bf9b 1234static struct snd_kcontrol_new dig_in_ctls[] = {
1da177e4
LT		 1235 {
1236 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1237 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
1238 .info = snd_hda_spdif_in_switch_info,
1239 .get = snd_hda_spdif_in_switch_get,
1240 .put = snd_hda_spdif_in_switch_put,
1241 },
1242 {
1243 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1244 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1245 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1246 .info = snd_hda_spdif_mask_info,
1247 .get = snd_hda_spdif_in_status_get,
1248 },
1249 { } /* end */
1250};
1251
1252/**
1253 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1254 * @codec: the HDA codec
1255 * @nid: audio in widget NID
1256 *
1257 * Creates controls related with the SPDIF input.
1258 * Called from each patch supporting the SPDIF in.
1259 *
1260 * Returns 0 if successful, or a negative error code.
1261 */
1262int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
1263{
1264 int err;
c8b6bf9b
TI		 1265 struct snd_kcontrol *kctl;
1266 struct snd_kcontrol_new *dig_mix;
1da177e4
LT		 1267
1268 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
1269 kctl = snd_ctl_new1(dig_mix, codec);
1270 kctl->private_value = nid;
1271 if ((err = snd_ctl_add(codec->bus->card, kctl)) < 0)
1272 return err;
1273 }
1274 codec->spdif_in_enable = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0) & 1;
1275 return 0;
1276}
1277
1278
54d17403
TI		 1279/*
1280 * set power state of the codec
1281 */
1282static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
1283 unsigned int power_state)
1284{
1285 hda_nid_t nid, nid_start;
1286 int nodes;
1287
1288 snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE,
1289 power_state);
1290
1291 nodes = snd_hda_get_sub_nodes(codec, fg, &nid_start);
1292 for (nid = nid_start; nid < nodes + nid_start; nid++) {
1293 if (get_wcaps(codec, nid) & AC_WCAP_POWER)
1294 snd_hda_codec_write(codec, nid, 0,
1295 AC_VERB_SET_POWER_STATE,
1296 power_state);
1297 }
1298
1299 if (power_state == AC_PWRST_D0)
1300 msleep(10);
1301}
1302
1303
1da177e4
LT		 1304/**
1305 * snd_hda_build_controls - build mixer controls
1306 * @bus: the BUS
1307 *
1308 * Creates mixer controls for each codec included in the bus.
1309 *
1310 * Returns 0 if successful, otherwise a negative error code.
1311 */
1312int snd_hda_build_controls(struct hda_bus *bus)
1313{
1314 struct list_head *p;
1315
1316 /* build controls */
1317 list_for_each(p, &bus->codec_list) {
1318 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
1319 int err;
1320 if (! codec->patch_ops.build_controls)
1321 continue;
1322 err = codec->patch_ops.build_controls(codec);
1323 if (err < 0)
1324 return err;
1325 }
1326
1327 /* initialize */
1328 list_for_each(p, &bus->codec_list) {
1329 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
1330 int err;
54d17403
TI		 1331 hda_set_power_state(codec,
1332 codec->afg ? codec->afg : codec->mfg,
1333 AC_PWRST_D0);
1da177e4
LT		 1334 if (! codec->patch_ops.init)
1335 continue;
1336 err = codec->patch_ops.init(codec);
1337 if (err < 0)
1338 return err;
1339 }
1340 return 0;
1341}
1342
e5e8a1d4 1343EXPORT_SYMBOL(snd_hda_build_controls);
1da177e4
LT		 1344
1345/*
1346 * stream formats
1347 */
befdf316
TI		 1348struct hda_rate_tbl {
1349 unsigned int hz;
1350 unsigned int alsa_bits;
1351 unsigned int hda_fmt;
1352};
1353
1354static struct hda_rate_tbl rate_bits[] = {
1da177e4 1355 /* rate in Hz, ALSA rate bitmask, HDA format value */
9d8f53f2
NG		 1356
1357 /* autodetected value used in snd_hda_query_supported_pcm */
1da177e4
LT		 1358 { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
1359 { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
1360 { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
1361 { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
1362 { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
1363 { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
1364 { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
1365 { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
1366 { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
1367 { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
1368 { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
9d8f53f2
NG		 1369
1370 /* not autodetected value */
1371 { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
befdf316
TI		 1372
1373 { 0 } /* terminator */
1da177e4
LT		 1374};
1375
1376/**
1377 * snd_hda_calc_stream_format - calculate format bitset
1378 * @rate: the sample rate
1379 * @channels: the number of channels
1380 * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
1381 * @maxbps: the max. bps
1382 *
1383 * Calculate the format bitset from the given rate, channels and th PCM format.
1384 *
1385 * Return zero if invalid.
1386 */
1387unsigned int snd_hda_calc_stream_format(unsigned int rate,
1388 unsigned int channels,
1389 unsigned int format,
1390 unsigned int maxbps)
1391{
1392 int i;
1393 unsigned int val = 0;
1394
befdf316
TI		 1395 for (i = 0; rate_bits[i].hz; i++)
1396 if (rate_bits[i].hz == rate) {
1397 val = rate_bits[i].hda_fmt;
1da177e4
LT		 1398 break;
1399 }
befdf316 1400 if (! rate_bits[i].hz) {
1da177e4
LT		 1401 snd_printdd("invalid rate %d\n", rate);
1402 return 0;
1403 }
1404
1405 if (channels == 0 || channels > 8) {
1406 snd_printdd("invalid channels %d\n", channels);
1407 return 0;
1408 }
1409 val |= channels - 1;
1410
1411 switch (snd_pcm_format_width(format)) {
1412 case 8: val |= 0x00; break;
1413 case 16: val |= 0x10; break;
1414 case 20:
1415 case 24:
1416 case 32:
1417 if (maxbps >= 32)
1418 val |= 0x40;
1419 else if (maxbps >= 24)
1420 val |= 0x30;
1421 else
1422 val |= 0x20;
1423 break;
1424 default:
1425 snd_printdd("invalid format width %d\n", snd_pcm_format_width(format));
1426 return 0;
1427 }
1428
1429 return val;
1430}
1431
e5e8a1d4
TI		 1432EXPORT_SYMBOL(snd_hda_calc_stream_format);
1433
1da177e4
LT		 1434/**
1435 * snd_hda_query_supported_pcm - query the supported PCM rates and formats
1436 * @codec: the HDA codec
1437 * @nid: NID to query
1438 * @ratesp: the pointer to store the detected rate bitflags
1439 * @formatsp: the pointer to store the detected formats
1440 * @bpsp: the pointer to store the detected format widths
1441 *
1442 * Queries the supported PCM rates and formats. The NULL @ratesp, @formatsp
1443 * or @bsps argument is ignored.
1444 *
1445 * Returns 0 if successful, otherwise a negative error code.
1446 */
1447int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
1448 u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
1449{
1450 int i;
1451 unsigned int val, streams;
1452
1453 val = 0;
1454 if (nid != codec->afg &&
54d17403 1455 (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
1da177e4
LT		 1456 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
1457 if (val == -1)
1458 return -EIO;
1459 }
1460 if (! val)
1461 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
1462
1463 if (ratesp) {
1464 u32 rates = 0;
befdf316 1465 for (i = 0; rate_bits[i].hz; i++) {
1da177e4 1466 if (val & (1 << i))
befdf316 1467 rates |= rate_bits[i].alsa_bits;
1da177e4
LT		 1468 }
1469 *ratesp = rates;
1470 }
1471
1472 if (formatsp || bpsp) {
1473 u64 formats = 0;
1474 unsigned int bps;
1475 unsigned int wcaps;
1476
54d17403 1477 wcaps = get_wcaps(codec, nid);
1da177e4
LT		 1478 streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
1479 if (streams == -1)
1480 return -EIO;
1481 if (! streams) {
1482 streams = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
1483 if (streams == -1)
1484 return -EIO;
1485 }
1486
1487 bps = 0;
1488 if (streams & AC_SUPFMT_PCM) {
1489 if (val & AC_SUPPCM_BITS_8) {
1490 formats |= SNDRV_PCM_FMTBIT_U8;
1491 bps = 8;
1492 }
1493 if (val & AC_SUPPCM_BITS_16) {
1494 formats |= SNDRV_PCM_FMTBIT_S16_LE;
1495 bps = 16;
1496 }
1497 if (wcaps & AC_WCAP_DIGITAL) {
1498 if (val & AC_SUPPCM_BITS_32)
1499 formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
1500 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
1501 formats |= SNDRV_PCM_FMTBIT_S32_LE;
1502 if (val & AC_SUPPCM_BITS_24)
1503 bps = 24;
1504 else if (val & AC_SUPPCM_BITS_20)
1505 bps = 20;
1506 } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|AC_SUPPCM_BITS_32)) {
1507 formats |= SNDRV_PCM_FMTBIT_S32_LE;
1508 if (val & AC_SUPPCM_BITS_32)
1509 bps = 32;
1da177e4
LT		 1510 else if (val & AC_SUPPCM_BITS_24)
1511 bps = 24;
33ef7651
NG		 1512 else if (val & AC_SUPPCM_BITS_20)
1513 bps = 20;
1da177e4
LT		 1514 }
1515 }
1516 else if (streams == AC_SUPFMT_FLOAT32) { /* should be exclusive */
1517 formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
1518 bps = 32;
1519 } else if (streams == AC_SUPFMT_AC3) { /* should be exclusive */
1520 /* temporary hack: we have still no proper support
1521 * for the direct AC3 stream...
1522 */
1523 formats |= SNDRV_PCM_FMTBIT_U8;
1524 bps = 8;
1525 }
1526 if (formatsp)
1527 *formatsp = formats;
1528 if (bpsp)
1529 *bpsp = bps;
1530 }
1531
1532 return 0;
1533}
1534
1535/**
1536 * snd_hda_is_supported_format - check whether the given node supports the format val
1537 *
1538 * Returns 1 if supported, 0 if not.
1539 */
1540int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
1541 unsigned int format)
1542{
1543 int i;
1544 unsigned int val = 0, rate, stream;
1545
1546 if (nid != codec->afg &&
54d17403 1547 (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
1da177e4
LT		 1548 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
1549 if (val == -1)
1550 return 0;
1551 }
1552 if (! val) {
1553 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
1554 if (val == -1)
1555 return 0;
1556 }
1557
1558 rate = format & 0xff00;
befdf316
TI		 1559 for (i = 0; rate_bits[i].hz; i++)
1560 if (rate_bits[i].hda_fmt == rate) {
1da177e4
LT		 1561 if (val & (1 << i))
1562 break;
1563 return 0;
1564 }
befdf316 1565 if (! rate_bits[i].hz)
1da177e4
LT		 1566 return 0;
1567
1568 stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
1569 if (stream == -1)
1570 return 0;
1571 if (! stream && nid != codec->afg)
1572 stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
1573 if (! stream || stream == -1)
1574 return 0;
1575
1576 if (stream & AC_SUPFMT_PCM) {
1577 switch (format & 0xf0) {
1578 case 0x00:
1579 if (! (val & AC_SUPPCM_BITS_8))
1580 return 0;
1581 break;
1582 case 0x10:
1583 if (! (val & AC_SUPPCM_BITS_16))
1584 return 0;
1585 break;
1586 case 0x20:
1587 if (! (val & AC_SUPPCM_BITS_20))
1588 return 0;
1589 break;
1590 case 0x30:
1591 if (! (val & AC_SUPPCM_BITS_24))
1592 return 0;
1593 break;
1594 case 0x40:
1595 if (! (val & AC_SUPPCM_BITS_32))
1596 return 0;
1597 break;
1598 default:
1599 return 0;
1600 }
1601 } else {
1602 /* FIXME: check for float32 and AC3? */
1603 }
1604
1605 return 1;
1606}
1607
1608/*
1609 * PCM stuff
1610 */
1611static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
1612 struct hda_codec *codec,
c8b6bf9b 1613 struct snd_pcm_substream *substream)
1da177e4
LT		 1614{
1615 return 0;
1616}
1617
1618static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
1619 struct hda_codec *codec,
1620 unsigned int stream_tag,
1621 unsigned int format,
c8b6bf9b 1622 struct snd_pcm_substream *substream)
1da177e4
LT		 1623{
1624 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
1625 return 0;
1626}
1627
1628static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
1629 struct hda_codec *codec,
c8b6bf9b 1630 struct snd_pcm_substream *substream)
1da177e4
LT		 1631{
1632 snd_hda_codec_setup_stream(codec, hinfo->nid, 0, 0, 0);
1633 return 0;
1634}
1635
1636static int set_pcm_default_values(struct hda_codec *codec, struct hda_pcm_stream *info)
1637{
1638 if (info->nid) {
1639 /* query support PCM information from the given NID */
1640 if (! info->rates || ! info->formats)
1641 snd_hda_query_supported_pcm(codec, info->nid,
1642 info->rates ? NULL : &info->rates,
1643 info->formats ? NULL : &info->formats,
1644 info->maxbps ? NULL : &info->maxbps);
1645 }
1646 if (info->ops.open == NULL)
1647 info->ops.open = hda_pcm_default_open_close;
1648 if (info->ops.close == NULL)
1649 info->ops.close = hda_pcm_default_open_close;
1650 if (info->ops.prepare == NULL) {
1651 snd_assert(info->nid, return -EINVAL);
1652 info->ops.prepare = hda_pcm_default_prepare;
1653 }
1da177e4
LT		 1654 if (info->ops.cleanup == NULL) {
1655 snd_assert(info->nid, return -EINVAL);
1656 info->ops.cleanup = hda_pcm_default_cleanup;
1657 }
1658 return 0;
1659}
1660
1661/**
1662 * snd_hda_build_pcms - build PCM information
1663 * @bus: the BUS
1664 *
1665 * Create PCM information for each codec included in the bus.
1666 *
1667 * The build_pcms codec patch is requested to set up codec->num_pcms and
1668 * codec->pcm_info properly. The array is referred by the top-level driver
1669 * to create its PCM instances.
1670 * The allocated codec->pcm_info should be released in codec->patch_ops.free
1671 * callback.
1672 *
1673 * At least, substreams, channels_min and channels_max must be filled for
1674 * each stream. substreams = 0 indicates that the stream doesn't exist.
1675 * When rates and/or formats are zero, the supported values are queried
1676 * from the given nid. The nid is used also by the default ops.prepare
1677 * and ops.cleanup callbacks.
1678 *
1679 * The driver needs to call ops.open in its open callback. Similarly,
1680 * ops.close is supposed to be called in the close callback.
1681 * ops.prepare should be called in the prepare or hw_params callback
1682 * with the proper parameters for set up.
1683 * ops.cleanup should be called in hw_free for clean up of streams.
1684 *
1685 * This function returns 0 if successfull, or a negative error code.
1686 */
1687int snd_hda_build_pcms(struct hda_bus *bus)
1688{
1689 struct list_head *p;
1690
1691 list_for_each(p, &bus->codec_list) {
1692 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
1693 unsigned int pcm, s;
1694 int err;
1695 if (! codec->patch_ops.build_pcms)
1696 continue;
1697 err = codec->patch_ops.build_pcms(codec);
1698 if (err < 0)
1699 return err;
1700 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
1701 for (s = 0; s < 2; s++) {
1702 struct hda_pcm_stream *info;
1703 info = &codec->pcm_info[pcm].stream[s];
1704 if (! info->substreams)
1705 continue;
1706 err = set_pcm_default_values(codec, info);
1707 if (err < 0)
1708 return err;
1709 }
1710 }
1711 }
1712 return 0;
1713}
1714
e5e8a1d4 1715EXPORT_SYMBOL(snd_hda_build_pcms);
1da177e4
LT		 1716
1717/**
1718 * snd_hda_check_board_config - compare the current codec with the config table
1719 * @codec: the HDA codec
1720 * @tbl: configuration table, terminated by null entries
1721 *
1722 * Compares the modelname or PCI subsystem id of the current codec with the
1723 * given configuration table. If a matching entry is found, returns its
1724 * config value (supposed to be 0 or positive).
1725 *
1726 * If no entries are matching, the function returns a negative value.
1727 */
e9edcee0 1728int snd_hda_check_board_config(struct hda_codec *codec, const struct hda_board_config *tbl)
1da177e4 1729{
e9edcee0 1730 const struct hda_board_config *c;
1da177e4
LT		 1731
1732 if (codec->bus->modelname) {
7291548d 1733 for (c = tbl; c->modelname || c->pci_subvendor; c++) {
1da177e4
LT		 1734 if (c->modelname &&
1735 ! strcmp(codec->bus->modelname, c->modelname)) {
1736 snd_printd(KERN_INFO "hda_codec: model '%s' is selected\n", c->modelname);
1737 return c->config;
1738 }
1739 }
1740 }
1741
1742 if (codec->bus->pci) {
1743 u16 subsystem_vendor, subsystem_device;
1744 pci_read_config_word(codec->bus->pci, PCI_SUBSYSTEM_VENDOR_ID, &subsystem_vendor);
1745 pci_read_config_word(codec->bus->pci, PCI_SUBSYSTEM_ID, &subsystem_device);
7291548d
TI		 1746 for (c = tbl; c->modelname || c->pci_subvendor; c++) {
1747 if (c->pci_subvendor == subsystem_vendor &&
5ecd7022 1748 (! c->pci_subdevice /* all match */||
cb8e2f83
TI		 1749 (c->pci_subdevice == subsystem_device))) {
1750 snd_printdd(KERN_INFO "hda_codec: PCI %x:%x, codec config %d is selected\n",
1751 subsystem_vendor, subsystem_device, c->config);
1da177e4 1752 return c->config;
cb8e2f83 1753 }
1da177e4
LT		 1754 }
1755 }
1756 return -1;
1757}
1758
1759/**
1760 * snd_hda_add_new_ctls - create controls from the array
1761 * @codec: the HDA codec
c8b6bf9b 1762 * @knew: the array of struct snd_kcontrol_new
1da177e4
LT		 1763 *
1764 * This helper function creates and add new controls in the given array.
1765 * The array must be terminated with an empty entry as terminator.
1766 *
1767 * Returns 0 if successful, or a negative error code.
1768 */
c8b6bf9b 1769int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
1da177e4
LT		 1770{
1771 int err;
1772
1773 for (; knew->name; knew++) {
54d17403
TI		 1774 struct snd_kcontrol *kctl;
1775 kctl = snd_ctl_new1(knew, codec);
1776 if (! kctl)
1777 return -ENOMEM;
1778 err = snd_ctl_add(codec->bus->card, kctl);
1779 if (err < 0) {
1780 if (! codec->addr)
1781 return err;
1782 kctl = snd_ctl_new1(knew, codec);
1783 if (! kctl)
1784 return -ENOMEM;
1785 kctl->id.device = codec->addr;
1786 if ((err = snd_ctl_add(codec->bus->card, kctl)) < 0)
1787 return err;
1788 }
1da177e4
LT		 1789 }
1790 return 0;
1791}
1792
1793
c8b6bf9b 1794/*
d2a6d7dc
TI		 1795 * Channel mode helper
1796 */
c8b6bf9b 1797int snd_hda_ch_mode_info(struct hda_codec *codec, struct snd_ctl_elem_info *uinfo,
d2a6d7dc
TI		 1798 const struct hda_channel_mode *chmode, int num_chmodes)
1799{
1800 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1801 uinfo->count = 1;
1802 uinfo->value.enumerated.items = num_chmodes;
1803 if (uinfo->value.enumerated.item >= num_chmodes)
1804 uinfo->value.enumerated.item = num_chmodes - 1;
1805 sprintf(uinfo->value.enumerated.name, "%dch",
1806 chmode[uinfo->value.enumerated.item].channels);
1807 return 0;
1808}
1809
c8b6bf9b 1810int snd_hda_ch_mode_get(struct hda_codec *codec, struct snd_ctl_elem_value *ucontrol,
d2a6d7dc
TI		 1811 const struct hda_channel_mode *chmode, int num_chmodes,
1812 int max_channels)
1813{
1814 int i;
1815
1816 for (i = 0; i < num_chmodes; i++) {
1817 if (max_channels == chmode[i].channels) {
1818 ucontrol->value.enumerated.item[0] = i;
1819 break;
1820 }
1821 }
1822 return 0;
1823}
1824
c8b6bf9b 1825int snd_hda_ch_mode_put(struct hda_codec *codec, struct snd_ctl_elem_value *ucontrol,
d2a6d7dc
TI		 1826 const struct hda_channel_mode *chmode, int num_chmodes,
1827 int *max_channelsp)
1828{
1829 unsigned int mode;
1830
1831 mode = ucontrol->value.enumerated.item[0];
1832 snd_assert(mode < num_chmodes, return -EINVAL);
b2ec6423 1833 if (*max_channelsp == chmode[mode].channels && ! codec->in_resume)
d2a6d7dc
TI		 1834 return 0;
1835 /* change the current channel setting */
1836 *max_channelsp = chmode[mode].channels;
1837 if (chmode[mode].sequence)
1838 snd_hda_sequence_write(codec, chmode[mode].sequence);
1839 return 1;
1840}
1841
1da177e4
LT		 1842/*
1843 * input MUX helper
1844 */
c8b6bf9b 1845int snd_hda_input_mux_info(const struct hda_input_mux *imux, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 1846{
1847 unsigned int index;
1848
1849 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1850 uinfo->count = 1;
1851 uinfo->value.enumerated.items = imux->num_items;
1852 index = uinfo->value.enumerated.item;
1853 if (index >= imux->num_items)
1854 index = imux->num_items - 1;
1855 strcpy(uinfo->value.enumerated.name, imux->items[index].label);
1856 return 0;
1857}
1858
1859int snd_hda_input_mux_put(struct hda_codec *codec, const struct hda_input_mux *imux,
c8b6bf9b 1860 struct snd_ctl_elem_value *ucontrol, hda_nid_t nid,
1da177e4
LT		 1861 unsigned int *cur_val)
1862{
1863 unsigned int idx;
1864
1865 idx = ucontrol->value.enumerated.item[0];
1866 if (idx >= imux->num_items)
1867 idx = imux->num_items - 1;
1868 if (*cur_val == idx && ! codec->in_resume)
1869 return 0;
1870 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
1871 imux->items[idx].index);
1872 *cur_val = idx;
1873 return 1;
1874}
1875
1876
1877/*
1878 * Multi-channel / digital-out PCM helper functions
1879 */
1880
1881/*
1882 * open the digital out in the exclusive mode
1883 */
1884int snd_hda_multi_out_dig_open(struct hda_codec *codec, struct hda_multi_out *mout)
1885{
62932df8 1886 mutex_lock(&codec->spdif_mutex);
1da177e4 1887 if (mout->dig_out_used) {
62932df8 1888 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1889 return -EBUSY; /* already being used */
1890 }
1891 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
62932df8 1892 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1893 return 0;
1894}
1895
1896/*
1897 * release the digital out
1898 */
1899int snd_hda_multi_out_dig_close(struct hda_codec *codec, struct hda_multi_out *mout)
1900{
62932df8 1901 mutex_lock(&codec->spdif_mutex);
1da177e4 1902 mout->dig_out_used = 0;
62932df8 1903 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1904 return 0;
1905}
1906
1907/*
1908 * set up more restrictions for analog out
1909 */
1910int snd_hda_multi_out_analog_open(struct hda_codec *codec, struct hda_multi_out *mout,
c8b6bf9b 1911 struct snd_pcm_substream *substream)
1da177e4
LT		 1912{
1913 substream->runtime->hw.channels_max = mout->max_channels;
1914 return snd_pcm_hw_constraint_step(substream->runtime, 0,
1915 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1916}
1917
1918/*
1919 * set up the i/o for analog out
1920 * when the digital out is available, copy the front out to digital out, too.
1921 */
1922int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, struct hda_multi_out *mout,
1923 unsigned int stream_tag,
1924 unsigned int format,
c8b6bf9b 1925 struct snd_pcm_substream *substream)
1da177e4
LT		 1926{
1927 hda_nid_t *nids = mout->dac_nids;
1928 int chs = substream->runtime->channels;
1929 int i;
1930
62932df8 1931 mutex_lock(&codec->spdif_mutex);
1da177e4
LT		 1932 if (mout->dig_out_nid && mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
1933 if (chs == 2 &&
1934 snd_hda_is_supported_format(codec, mout->dig_out_nid, format) &&
1935 ! (codec->spdif_status & IEC958_AES0_NONAUDIO)) {
1936 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
1937 /* setup digital receiver */
1938 snd_hda_codec_setup_stream(codec, mout->dig_out_nid,
1939 stream_tag, 0, format);
1940 } else {
1941 mout->dig_out_used = 0;
1942 snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
1943 }
1944 }
62932df8 1945 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1946
1947 /* front */
1948 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag, 0, format);
35aec4e2 1949 if (mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
1da177e4
LT		 1950 /* headphone out will just decode front left/right (stereo) */
1951 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag, 0, format);
82bc955f
TI		 1952 /* extra outputs copied from front */
1953 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
1954 if (mout->extra_out_nid[i])
1955 snd_hda_codec_setup_stream(codec,
1956 mout->extra_out_nid[i],
1957 stream_tag, 0, format);
1958
1da177e4
LT		 1959 /* surrounds */
1960 for (i = 1; i < mout->num_dacs; i++) {
4b3acaf5 1961 if (chs >= (i + 1) * 2) /* independent out */
1da177e4
LT		 1962 snd_hda_codec_setup_stream(codec, nids[i], stream_tag, i * 2,
1963 format);
4b3acaf5
TI		 1964 else /* copy front */
1965 snd_hda_codec_setup_stream(codec, nids[i], stream_tag, 0,
1966 format);
1da177e4
LT		 1967 }
1968 return 0;
1969}
1970
1971/*
1972 * clean up the setting for analog out
1973 */
1974int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec, struct hda_multi_out *mout)
1975{
1976 hda_nid_t *nids = mout->dac_nids;
1977 int i;
1978
1979 for (i = 0; i < mout->num_dacs; i++)
1980 snd_hda_codec_setup_stream(codec, nids[i], 0, 0, 0);
1981 if (mout->hp_nid)
1982 snd_hda_codec_setup_stream(codec, mout->hp_nid, 0, 0, 0);
82bc955f
TI		 1983 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
1984 if (mout->extra_out_nid[i])
1985 snd_hda_codec_setup_stream(codec,
1986 mout->extra_out_nid[i],
1987 0, 0, 0);
62932df8 1988 mutex_lock(&codec->spdif_mutex);
1da177e4
LT		 1989 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
1990 snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
1991 mout->dig_out_used = 0;
1992 }
62932df8 1993 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1994 return 0;
1995}
1996
e9edcee0
TI		 1997/*
1998 * Helper for automatic ping configuration
1999 */
df694daa
KY		 2000
2001static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list)
2002{
2003 for (; *list; list++)
2004 if (*list == nid)
2005 return 1;
2006 return 0;
2007}
2008
82bc955f
TI		 2009/*
2010 * Parse all pin widgets and store the useful pin nids to cfg
2011 *
2012 * The number of line-outs or any primary output is stored in line_outs,
2013 * and the corresponding output pins are assigned to line_out_pins[],
2014 * in the order of front, rear, CLFE, side, ...
2015 *
2016 * If more extra outputs (speaker and headphone) are found, the pins are
eb06ed8f 2017 * assisnged to hp_pins[] and speaker_pins[], respectively. If no line-out jack
82bc955f
TI		 2018 * is detected, one of speaker of HP pins is assigned as the primary
2019 * output, i.e. to line_out_pins[0]. So, line_outs is always positive
2020 * if any analog output exists.
2021 *
2022 * The analog input pins are assigned to input_pins array.
2023 * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
2024 * respectively.
2025 */
df694daa
KY		 2026int snd_hda_parse_pin_def_config(struct hda_codec *codec, struct auto_pin_cfg *cfg,
2027 hda_nid_t *ignore_nids)
e9edcee0
TI		 2028{
2029 hda_nid_t nid, nid_start;
2030 int i, j, nodes;
82bc955f 2031 short seq, assoc_line_out, sequences[ARRAY_SIZE(cfg->line_out_pins)];
e9edcee0
TI		 2032
2033 memset(cfg, 0, sizeof(*cfg));
2034
2035 memset(sequences, 0, sizeof(sequences));
2036 assoc_line_out = 0;
2037
2038 nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid_start);
2039 for (nid = nid_start; nid < nodes + nid_start; nid++) {
54d17403 2040 unsigned int wid_caps = get_wcaps(codec, nid);
e9edcee0
TI		 2041 unsigned int wid_type = (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
2042 unsigned int def_conf;
2043 short assoc, loc;
2044
2045 /* read all default configuration for pin complex */
2046 if (wid_type != AC_WID_PIN)
2047 continue;
df694daa
KY		 2048 /* ignore the given nids (e.g. pc-beep returns error) */
2049 if (ignore_nids && is_in_nid_list(nid, ignore_nids))
2050 continue;
2051
e9edcee0
TI		 2052 def_conf = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
2053 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
2054 continue;
2055 loc = get_defcfg_location(def_conf);
2056 switch (get_defcfg_device(def_conf)) {
2057 case AC_JACK_LINE_OUT:
e9edcee0
TI		 2058 seq = get_defcfg_sequence(def_conf);
2059 assoc = get_defcfg_association(def_conf);
2060 if (! assoc)
2061 continue;
2062 if (! assoc_line_out)
2063 assoc_line_out = assoc;
2064 else if (assoc_line_out != assoc)
2065 continue;
2066 if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
2067 continue;
2068 cfg->line_out_pins[cfg->line_outs] = nid;
2069 sequences[cfg->line_outs] = seq;
2070 cfg->line_outs++;
2071 break;
8d88bc3d 2072 case AC_JACK_SPEAKER:
82bc955f
TI		 2073 if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
2074 continue;
2075 cfg->speaker_pins[cfg->speaker_outs] = nid;
2076 cfg->speaker_outs++;
8d88bc3d 2077 break;
e9edcee0 2078 case AC_JACK_HP_OUT:
eb06ed8f
TI		 2079 if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
2080 continue;
2081 cfg->hp_pins[cfg->hp_outs] = nid;
2082 cfg->hp_outs++;
e9edcee0 2083 break;
314634bc
TI		 2084 case AC_JACK_MIC_IN: {
2085 int preferred, alt;
2086 if (loc == AC_JACK_LOC_FRONT) {
2087 preferred = AUTO_PIN_FRONT_MIC;
2088 alt = AUTO_PIN_MIC;
2089 } else {
2090 preferred = AUTO_PIN_MIC;
2091 alt = AUTO_PIN_FRONT_MIC;
2092 }
2093 if (!cfg->input_pins[preferred])
2094 cfg->input_pins[preferred] = nid;
2095 else if (!cfg->input_pins[alt])
2096 cfg->input_pins[alt] = nid;
e9edcee0 2097 break;
314634bc 2098 }
e9edcee0
TI		 2099 case AC_JACK_LINE_IN:
2100 if (loc == AC_JACK_LOC_FRONT)
2101 cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
2102 else
2103 cfg->input_pins[AUTO_PIN_LINE] = nid;
2104 break;
2105 case AC_JACK_CD:
2106 cfg->input_pins[AUTO_PIN_CD] = nid;
2107 break;
2108 case AC_JACK_AUX:
2109 cfg->input_pins[AUTO_PIN_AUX] = nid;
2110 break;
2111 case AC_JACK_SPDIF_OUT:
2112 cfg->dig_out_pin = nid;
2113 break;
2114 case AC_JACK_SPDIF_IN:
2115 cfg->dig_in_pin = nid;
2116 break;
2117 }
2118 }
2119
2120 /* sort by sequence */
2121 for (i = 0; i < cfg->line_outs; i++)
2122 for (j = i + 1; j < cfg->line_outs; j++)
2123 if (sequences[i] > sequences[j]) {
2124 seq = sequences[i];
2125 sequences[i] = sequences[j];
2126 sequences[j] = seq;
2127 nid = cfg->line_out_pins[i];
2128 cfg->line_out_pins[i] = cfg->line_out_pins[j];
2129 cfg->line_out_pins[j] = nid;
2130 }
2131
cb8e2f83
TI		 2132 /* Reorder the surround channels
2133 * ALSA sequence is front/surr/clfe/side
2134 * HDA sequence is:
2135 * 4-ch: front/surr => OK as it is
2136 * 6-ch: front/clfe/surr
2137 * 8-ch: front/clfe/side/surr
2138 */
2139 switch (cfg->line_outs) {
2140 case 3:
e9edcee0
TI		 2141 nid = cfg->line_out_pins[1];
2142 cfg->line_out_pins[1] = cfg->line_out_pins[2];
2143 cfg->line_out_pins[2] = nid;
cb8e2f83
TI		 2144 break;
2145 case 4:
2146 nid = cfg->line_out_pins[1];
2147 cfg->line_out_pins[1] = cfg->line_out_pins[3];
2148 cfg->line_out_pins[3] = cfg->line_out_pins[2];
2149 cfg->line_out_pins[2] = nid;
2150 break;
e9edcee0
TI		 2151 }
2152
82bc955f
TI		 2153 /*
2154 * debug prints of the parsed results
2155 */
2156 snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2157 cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
2158 cfg->line_out_pins[2], cfg->line_out_pins[3],
2159 cfg->line_out_pins[4]);
2160 snd_printd(" speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2161 cfg->speaker_outs, cfg->speaker_pins[0],
2162 cfg->speaker_pins[1], cfg->speaker_pins[2],
2163 cfg->speaker_pins[3], cfg->speaker_pins[4]);
eb06ed8f
TI		 2164 snd_printd(" hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2165 cfg->hp_outs, cfg->hp_pins[0],
2166 cfg->hp_pins[1], cfg->hp_pins[2],
2167 cfg->hp_pins[3], cfg->hp_pins[4]);
82bc955f
TI		 2168 snd_printd(" inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
2169 " cd=0x%x, aux=0x%x\n",
2170 cfg->input_pins[AUTO_PIN_MIC],
2171 cfg->input_pins[AUTO_PIN_FRONT_MIC],
2172 cfg->input_pins[AUTO_PIN_LINE],
2173 cfg->input_pins[AUTO_PIN_FRONT_LINE],
2174 cfg->input_pins[AUTO_PIN_CD],
2175 cfg->input_pins[AUTO_PIN_AUX]);
2176
2177 /*
2178 * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
2179 * as a primary output
2180 */
2181 if (! cfg->line_outs) {
2182 if (cfg->speaker_outs) {
2183 cfg->line_outs = cfg->speaker_outs;
2184 memcpy(cfg->line_out_pins, cfg->speaker_pins,
2185 sizeof(cfg->speaker_pins));
2186 cfg->speaker_outs = 0;
2187 memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
eb06ed8f
TI		 2188 } else if (cfg->hp_outs) {
2189 cfg->line_outs = cfg->hp_outs;
2190 memcpy(cfg->line_out_pins, cfg->hp_pins,
2191 sizeof(cfg->hp_pins));
2192 cfg->hp_outs = 0;
2193 memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
82bc955f
TI		 2194 }
2195 }
2196
e9edcee0
TI		 2197 return 0;
2198}
2199
4a471b7d
TI		 2200/* labels for input pins */
2201const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
2202 "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
2203};
2204
2205
1da177e4
LT		 2206#ifdef CONFIG_PM
2207/*
2208 * power management
2209 */
2210
2211/**
2212 * snd_hda_suspend - suspend the codecs
2213 * @bus: the HDA bus
2214 * @state: suspsend state
2215 *
2216 * Returns 0 if successful.
2217 */
2218int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
2219{
2220 struct list_head *p;
2221
2222 /* FIXME: should handle power widget capabilities */
2223 list_for_each(p, &bus->codec_list) {
2224 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
2225 if (codec->patch_ops.suspend)
2226 codec->patch_ops.suspend(codec, state);
54d17403
TI		 2227 hda_set_power_state(codec,
2228 codec->afg ? codec->afg : codec->mfg,
2229 AC_PWRST_D3);
1da177e4
LT		 2230 }
2231 return 0;
2232}
2233
e5e8a1d4
TI		 2234EXPORT_SYMBOL(snd_hda_suspend);
2235
1da177e4
LT		 2236/**
2237 * snd_hda_resume - resume the codecs
2238 * @bus: the HDA bus
2239 * @state: resume state
2240 *
2241 * Returns 0 if successful.
2242 */
2243int snd_hda_resume(struct hda_bus *bus)
2244{
2245 struct list_head *p;
2246
2247 list_for_each(p, &bus->codec_list) {
2248 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
54d17403
TI		 2249 hda_set_power_state(codec,
2250 codec->afg ? codec->afg : codec->mfg,
2251 AC_PWRST_D0);
1da177e4
LT		 2252 if (codec->patch_ops.resume)
2253 codec->patch_ops.resume(codec);
2254 }
2255 return 0;
2256}
2257
e5e8a1d4
TI		 2258EXPORT_SYMBOL(snd_hda_resume);
2259
1da177e4
LT		 2260/**
2261 * snd_hda_resume_ctls - resume controls in the new control list
2262 * @codec: the HDA codec
c8b6bf9b 2263 * @knew: the array of struct snd_kcontrol_new
1da177e4 2264 *
c8b6bf9b 2265 * This function resumes the mixer controls in the struct snd_kcontrol_new array,
1da177e4
LT		 2266 * originally for snd_hda_add_new_ctls().
2267 * The array must be terminated with an empty entry as terminator.
2268 */
c8b6bf9b 2269int snd_hda_resume_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
1da177e4 2270{
c8b6bf9b 2271 struct snd_ctl_elem_value *val;
1da177e4
LT		 2272
2273 val = kmalloc(sizeof(*val), GFP_KERNEL);
2274 if (! val)
2275 return -ENOMEM;
2276 codec->in_resume = 1;
2277 for (; knew->name; knew++) {
2278 int i, count;
2279 count = knew->count ? knew->count : 1;
2280 for (i = 0; i < count; i++) {
2281 memset(val, 0, sizeof(*val));
2282 val->id.iface = knew->iface;
2283 val->id.device = knew->device;
2284 val->id.subdevice = knew->subdevice;
2285 strcpy(val->id.name, knew->name);
2286 val->id.index = knew->index ? knew->index : i;
2287 /* Assume that get callback reads only from cache,
2288 * not accessing to the real hardware
2289 */
2290 if (snd_ctl_elem_read(codec->bus->card, val) < 0)
2291 continue;
2292 snd_ctl_elem_write(codec->bus->card, NULL, val);
2293 }
2294 }
2295 codec->in_resume = 0;
2296 kfree(val);
2297 return 0;
2298}
2299
2300/**
2301 * snd_hda_resume_spdif_out - resume the digital out
2302 * @codec: the HDA codec
2303 */
2304int snd_hda_resume_spdif_out(struct hda_codec *codec)
2305{
2306 return snd_hda_resume_ctls(codec, dig_mixes);
2307}
2308
2309/**
2310 * snd_hda_resume_spdif_in - resume the digital in
2311 * @codec: the HDA codec
2312 */
2313int snd_hda_resume_spdif_in(struct hda_codec *codec)
2314{
2315 return snd_hda_resume_ctls(codec, dig_in_ctls);
2316}
2317#endif
2318
1da177e4
LT		 2319/*
2320 * INIT part
2321 */
2322
2323static int __init alsa_hda_init(void)
2324{
2325 return 0;
2326}
2327
2328static void __exit alsa_hda_exit(void)
2329{
2330}
2331
2332module_init(alsa_hda_init)
2333module_exit(alsa_hda_exit)
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