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[ALSA] ice1712 - Fix wordclock status on Delta1010LT
[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>
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>
32#include <sound/initval.h>
33#include "hda_local.h"
34
35
36MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
37MODULE_DESCRIPTION("Universal interface for High Definition Audio Codec");
38MODULE_LICENSE("GPL");
39
40
41/*
42 * vendor / preset table
43 */
44
45struct hda_vendor_id {
46 unsigned int id;
47 const char *name;
48};
49
50/* codec vendor labels */
51static struct hda_vendor_id hda_vendor_ids[] = {
52 { 0x10ec, "Realtek" },
54b903ec 53 { 0x11d4, "Analog Devices" },
1da177e4
LT		 54 { 0x13f6, "C-Media" },
55 { 0x434d, "C-Media" },
2f2f4251 56 { 0x8384, "SigmaTel" },
1da177e4
LT		 57 {} /* terminator */
58};
59
60/* codec presets */
61#include "hda_patch.h"
62
63
64/**
65 * snd_hda_codec_read - send a command and get the response
66 * @codec: the HDA codec
67 * @nid: NID to send the command
68 * @direct: direct flag
69 * @verb: the verb to send
70 * @parm: the parameter for the verb
71 *
72 * Send a single command and read the corresponding response.
73 *
74 * Returns the obtained response value, or -1 for an error.
75 */
76unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, int direct,
77 unsigned int verb, unsigned int parm)
78{
79 unsigned int res;
62932df8 80 mutex_lock(&codec->bus->cmd_mutex);
1da177e4
LT		 81 if (! codec->bus->ops.command(codec, nid, direct, verb, parm))
82 res = codec->bus->ops.get_response(codec);
83 else
84 res = (unsigned int)-1;
62932df8 85 mutex_unlock(&codec->bus->cmd_mutex);
1da177e4
LT		 86 return res;
87}
88
89/**
90 * snd_hda_codec_write - send a single command without waiting for response
91 * @codec: the HDA codec
92 * @nid: NID to send the command
93 * @direct: direct flag
94 * @verb: the verb to send
95 * @parm: the parameter for the verb
96 *
97 * Send a single command without waiting for response.
98 *
99 * Returns 0 if successful, or a negative error code.
100 */
101int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
102 unsigned int verb, unsigned int parm)
103{
104 int err;
62932df8 105 mutex_lock(&codec->bus->cmd_mutex);
1da177e4 106 err = codec->bus->ops.command(codec, nid, direct, verb, parm);
62932df8 107 mutex_unlock(&codec->bus->cmd_mutex);
1da177e4
LT		 108 return err;
109}
110
111/**
112 * snd_hda_sequence_write - sequence writes
113 * @codec: the HDA codec
114 * @seq: VERB array to send
115 *
116 * Send the commands sequentially from the given array.
117 * The array must be terminated with NID=0.
118 */
119void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
120{
121 for (; seq->nid; seq++)
122 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
123}
124
125/**
126 * snd_hda_get_sub_nodes - get the range of sub nodes
127 * @codec: the HDA codec
128 * @nid: NID to parse
129 * @start_id: the pointer to store the start NID
130 *
131 * Parse the NID and store the start NID of its sub-nodes.
132 * Returns the number of sub-nodes.
133 */
134int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid, hda_nid_t *start_id)
135{
136 unsigned int parm;
137
138 parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
139 *start_id = (parm >> 16) & 0x7fff;
140 return (int)(parm & 0x7fff);
141}
142
143/**
144 * snd_hda_get_connections - get connection list
145 * @codec: the HDA codec
146 * @nid: NID to parse
147 * @conn_list: connection list array
148 * @max_conns: max. number of connections to store
149 *
150 * Parses the connection list of the given widget and stores the list
151 * of NIDs.
152 *
153 * Returns the number of connections, or a negative error code.
154 */
155int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
156 hda_nid_t *conn_list, int max_conns)
157{
158 unsigned int parm;
54d17403 159 int i, conn_len, conns;
1da177e4 160 unsigned int shift, num_elems, mask;
54d17403 161 hda_nid_t prev_nid;
1da177e4
LT		 162
163 snd_assert(conn_list && max_conns > 0, return -EINVAL);
164
165 parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN);
166 if (parm & AC_CLIST_LONG) {
167 /* long form */
168 shift = 16;
169 num_elems = 2;
170 } else {
171 /* short form */
172 shift = 8;
173 num_elems = 4;
174 }
175 conn_len = parm & AC_CLIST_LENGTH;
1da177e4
LT		 176 mask = (1 << (shift-1)) - 1;
177
178 if (! conn_len)
179 return 0; /* no connection */
180
181 if (conn_len == 1) {
182 /* single connection */
183 parm = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONNECT_LIST, 0);
184 conn_list[0] = parm & mask;
185 return 1;
186 }
187
188 /* multi connection */
189 conns = 0;
54d17403
TI		 190 prev_nid = 0;
191 for (i = 0; i < conn_len; i++) {
192 int range_val;
193 hda_nid_t val, n;
194
195 if (i % num_elems == 0)
196 parm = snd_hda_codec_read(codec, nid, 0,
197 AC_VERB_GET_CONNECT_LIST, i);
198 range_val = !! (parm & (1 << (shift-1))); /* ranges */
199 val = parm & mask;
200 parm >>= shift;
201 if (range_val) {
202 /* ranges between the previous and this one */
203 if (! prev_nid || prev_nid >= val) {
204 snd_printk(KERN_WARNING "hda_codec: invalid dep_range_val %x:%x\n", prev_nid, val);
205 continue;
206 }
207 for (n = prev_nid + 1; n <= val; n++) {
208 if (conns >= max_conns) {
209 snd_printk(KERN_ERR "Too many connections\n");
1da177e4 210 return -EINVAL;
54d17403
TI		 211 }
212 conn_list[conns++] = n;
1da177e4 213 }
54d17403
TI		 214 } else {
215 if (conns >= max_conns) {
216 snd_printk(KERN_ERR "Too many connections\n");
217 return -EINVAL;
218 }
219 conn_list[conns++] = val;
1da177e4 220 }
54d17403 221 prev_nid = val;
1da177e4
LT		 222 }
223 return conns;
224}
225
226
227/**
228 * snd_hda_queue_unsol_event - add an unsolicited event to queue
229 * @bus: the BUS
230 * @res: unsolicited event (lower 32bit of RIRB entry)
231 * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
232 *
233 * Adds the given event to the queue. The events are processed in
234 * the workqueue asynchronously. Call this function in the interrupt
235 * hanlder when RIRB receives an unsolicited event.
236 *
237 * Returns 0 if successful, or a negative error code.
238 */
239int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
240{
241 struct hda_bus_unsolicited *unsol;
242 unsigned int wp;
243
244 if ((unsol = bus->unsol) == NULL)
245 return 0;
246
247 wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
248 unsol->wp = wp;
249
250 wp <<= 1;
251 unsol->queue[wp] = res;
252 unsol->queue[wp + 1] = res_ex;
253
254 queue_work(unsol->workq, &unsol->work);
255
256 return 0;
257}
258
259/*
260 * process queueud unsolicited events
261 */
262static void process_unsol_events(void *data)
263{
264 struct hda_bus *bus = data;
265 struct hda_bus_unsolicited *unsol = bus->unsol;
266 struct hda_codec *codec;
267 unsigned int rp, caddr, res;
268
269 while (unsol->rp != unsol->wp) {
270 rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE;
271 unsol->rp = rp;
272 rp <<= 1;
273 res = unsol->queue[rp];
274 caddr = unsol->queue[rp + 1];
275 if (! (caddr & (1 << 4))) /* no unsolicited event? */
276 continue;
277 codec = bus->caddr_tbl[caddr & 0x0f];
278 if (codec && codec->patch_ops.unsol_event)
279 codec->patch_ops.unsol_event(codec, res);
280 }
281}
282
283/*
284 * initialize unsolicited queue
285 */
286static int init_unsol_queue(struct hda_bus *bus)
287{
288 struct hda_bus_unsolicited *unsol;
289
9f146bb6
TI		 290 if (bus->unsol) /* already initialized */
291 return 0;
292
e560d8d8 293 unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
1da177e4
LT		 294 if (! unsol) {
295 snd_printk(KERN_ERR "hda_codec: can't allocate unsolicited queue\n");
296 return -ENOMEM;
297 }
298 unsol->workq = create_workqueue("hda_codec");
299 if (! unsol->workq) {
300 snd_printk(KERN_ERR "hda_codec: can't create workqueue\n");
301 kfree(unsol);
302 return -ENOMEM;
303 }
304 INIT_WORK(&unsol->work, process_unsol_events, bus);
305 bus->unsol = unsol;
306 return 0;
307}
308
309/*
310 * destructor
311 */
312static void snd_hda_codec_free(struct hda_codec *codec);
313
314static int snd_hda_bus_free(struct hda_bus *bus)
315{
316 struct list_head *p, *n;
317
318 if (! bus)
319 return 0;
320 if (bus->unsol) {
321 destroy_workqueue(bus->unsol->workq);
322 kfree(bus->unsol);
323 }
324 list_for_each_safe(p, n, &bus->codec_list) {
325 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
326 snd_hda_codec_free(codec);
327 }
328 if (bus->ops.private_free)
329 bus->ops.private_free(bus);
330 kfree(bus);
331 return 0;
332}
333
c8b6bf9b 334static int snd_hda_bus_dev_free(struct snd_device *device)
1da177e4
LT		 335{
336 struct hda_bus *bus = device->device_data;
337 return snd_hda_bus_free(bus);
338}
339
340/**
341 * snd_hda_bus_new - create a HDA bus
342 * @card: the card entry
343 * @temp: the template for hda_bus information
344 * @busp: the pointer to store the created bus instance
345 *
346 * Returns 0 if successful, or a negative error code.
347 */
c8b6bf9b 348int snd_hda_bus_new(struct snd_card *card, const struct hda_bus_template *temp,
1da177e4
LT		 349 struct hda_bus **busp)
350{
351 struct hda_bus *bus;
352 int err;
c8b6bf9b 353 static struct snd_device_ops dev_ops = {
1da177e4
LT		 354 .dev_free = snd_hda_bus_dev_free,
355 };
356
357 snd_assert(temp, return -EINVAL);
358 snd_assert(temp->ops.command && temp->ops.get_response, return -EINVAL);
359
360 if (busp)
361 *busp = NULL;
362
e560d8d8 363 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1da177e4
LT		 364 if (bus == NULL) {
365 snd_printk(KERN_ERR "can't allocate struct hda_bus\n");
366 return -ENOMEM;
367 }
368
369 bus->card = card;
370 bus->private_data = temp->private_data;
371 bus->pci = temp->pci;
372 bus->modelname = temp->modelname;
373 bus->ops = temp->ops;
374
62932df8 375 mutex_init(&bus->cmd_mutex);
1da177e4
LT		 376 INIT_LIST_HEAD(&bus->codec_list);
377
1da177e4
LT		 378 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
379 snd_hda_bus_free(bus);
380 return err;
381 }
382 if (busp)
383 *busp = bus;
384 return 0;
385}
386
387
388/*
389 * find a matching codec preset
390 */
391static const struct hda_codec_preset *find_codec_preset(struct hda_codec *codec)
392{
393 const struct hda_codec_preset **tbl, *preset;
394
395 for (tbl = hda_preset_tables; *tbl; tbl++) {
396 for (preset = *tbl; preset->id; preset++) {
397 u32 mask = preset->mask;
398 if (! mask)
399 mask = ~0;
400 if (preset->id == (codec->vendor_id & mask))
401 return preset;
402 }
403 }
404 return NULL;
405}
406
407/*
408 * snd_hda_get_codec_name - store the codec name
409 */
410void snd_hda_get_codec_name(struct hda_codec *codec,
411 char *name, int namelen)
412{
413 const struct hda_vendor_id *c;
414 const char *vendor = NULL;
415 u16 vendor_id = codec->vendor_id >> 16;
416 char tmp[16];
417
418 for (c = hda_vendor_ids; c->id; c++) {
419 if (c->id == vendor_id) {
420 vendor = c->name;
421 break;
422 }
423 }
424 if (! vendor) {
425 sprintf(tmp, "Generic %04x", vendor_id);
426 vendor = tmp;
427 }
428 if (codec->preset && codec->preset->name)
429 snprintf(name, namelen, "%s %s", vendor, codec->preset->name);
430 else
431 snprintf(name, namelen, "%s ID %x", vendor, codec->vendor_id & 0xffff);
432}
433
434/*
673b683a 435 * look for an AFG and MFG nodes
1da177e4 436 */
673b683a 437static void setup_fg_nodes(struct hda_codec *codec)
1da177e4
LT		 438{
439 int i, total_nodes;
440 hda_nid_t nid;
441
442 total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
443 for (i = 0; i < total_nodes; i++, nid++) {
673b683a
SK		 444 switch((snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE) & 0xff)) {
445 case AC_GRP_AUDIO_FUNCTION:
446 codec->afg = nid;
447 break;
448 case AC_GRP_MODEM_FUNCTION:
449 codec->mfg = nid;
450 break;
451 default:
452 break;
453 }
1da177e4 454 }
1da177e4
LT		 455}
456
54d17403
TI		 457/*
458 * read widget caps for each widget and store in cache
459 */
460static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
461{
462 int i;
463 hda_nid_t nid;
464
465 codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node,
466 &codec->start_nid);
467 codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL);
468 if (! codec->wcaps)
469 return -ENOMEM;
470 nid = codec->start_nid;
471 for (i = 0; i < codec->num_nodes; i++, nid++)
472 codec->wcaps[i] = snd_hda_param_read(codec, nid,
473 AC_PAR_AUDIO_WIDGET_CAP);
474 return 0;
475}
476
477
1da177e4
LT		 478/*
479 * codec destructor
480 */
481static void snd_hda_codec_free(struct hda_codec *codec)
482{
483 if (! codec)
484 return;
485 list_del(&codec->list);
486 codec->bus->caddr_tbl[codec->addr] = NULL;
487 if (codec->patch_ops.free)
488 codec->patch_ops.free(codec);
d031166f 489 kfree(codec->amp_info);
54d17403 490 kfree(codec->wcaps);
1da177e4
LT		 491 kfree(codec);
492}
493
494static void init_amp_hash(struct hda_codec *codec);
495
496/**
497 * snd_hda_codec_new - create a HDA codec
498 * @bus: the bus to assign
499 * @codec_addr: the codec address
500 * @codecp: the pointer to store the generated codec
501 *
502 * Returns 0 if successful, or a negative error code.
503 */
504int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
505 struct hda_codec **codecp)
506{
507 struct hda_codec *codec;
508 char component[13];
509 int err;
510
511 snd_assert(bus, return -EINVAL);
512 snd_assert(codec_addr <= HDA_MAX_CODEC_ADDRESS, return -EINVAL);
513
514 if (bus->caddr_tbl[codec_addr]) {
515 snd_printk(KERN_ERR "hda_codec: address 0x%x is already occupied\n", codec_addr);
516 return -EBUSY;
517 }
518
e560d8d8 519 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
1da177e4
LT		 520 if (codec == NULL) {
521 snd_printk(KERN_ERR "can't allocate struct hda_codec\n");
522 return -ENOMEM;
523 }
524
525 codec->bus = bus;
526 codec->addr = codec_addr;
62932df8 527 mutex_init(&codec->spdif_mutex);
1da177e4
LT		 528 init_amp_hash(codec);
529
530 list_add_tail(&codec->list, &bus->codec_list);
531 bus->caddr_tbl[codec_addr] = codec;
532
533 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_VENDOR_ID);
111d3af5
TI		 534 if (codec->vendor_id == -1)
535 /* read again, hopefully the access method was corrected
536 * in the last read...
537 */
538 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
539 AC_PAR_VENDOR_ID);
1da177e4
LT		 540 codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_SUBSYSTEM_ID);
541 codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_REV_ID);
542
673b683a
SK		 543 setup_fg_nodes(codec);
544 if (! codec->afg && ! codec->mfg) {
545 snd_printdd("hda_codec: no AFG or MFG node found\n");
1da177e4
LT		 546 snd_hda_codec_free(codec);
547 return -ENODEV;
548 }
549
54d17403
TI		 550 if (read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg) < 0) {
551 snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
552 snd_hda_codec_free(codec);
553 return -ENOMEM;
554 }
555
86284e45
TI		 556 if (! codec->subsystem_id) {
557 hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
558 codec->subsystem_id = snd_hda_codec_read(codec, nid, 0,
559 AC_VERB_GET_SUBSYSTEM_ID,
560 0);
561 }
562
1da177e4
LT		 563 codec->preset = find_codec_preset(codec);
564 if (! *bus->card->mixername)
565 snd_hda_get_codec_name(codec, bus->card->mixername,
566 sizeof(bus->card->mixername));
567
568 if (codec->preset && codec->preset->patch)
569 err = codec->preset->patch(codec);
570 else
571 err = snd_hda_parse_generic_codec(codec);
572 if (err < 0) {
573 snd_hda_codec_free(codec);
574 return err;
575 }
576
9f146bb6
TI		 577 if (codec->patch_ops.unsol_event)
578 init_unsol_queue(bus);
579
1da177e4
LT		 580 snd_hda_codec_proc_new(codec);
581
582 sprintf(component, "HDA:%08x", codec->vendor_id);
583 snd_component_add(codec->bus->card, component);
584
585 if (codecp)
586 *codecp = codec;
587 return 0;
588}
589
590/**
591 * snd_hda_codec_setup_stream - set up the codec for streaming
592 * @codec: the CODEC to set up
593 * @nid: the NID to set up
594 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
595 * @channel_id: channel id to pass, zero based.
596 * @format: stream format.
597 */
598void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, u32 stream_tag,
599 int channel_id, int format)
600{
d21b37ea
TI		 601 if (! nid)
602 return;
603
1da177e4
LT		 604 snd_printdd("hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
605 nid, stream_tag, channel_id, format);
606 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID,
607 (stream_tag << 4) | channel_id);
608 msleep(1);
609 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
610}
611
612
613/*
614 * amp access functions
615 */
616
4a19faee
TI		 617/* FIXME: more better hash key? */
618#define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
1da177e4 619#define INFO_AMP_CAPS (1<<0)
4a19faee 620#define INFO_AMP_VOL(ch) (1 << (1 + (ch)))
1da177e4
LT		 621
622/* initialize the hash table */
623static void init_amp_hash(struct hda_codec *codec)
624{
625 memset(codec->amp_hash, 0xff, sizeof(codec->amp_hash));
626 codec->num_amp_entries = 0;
d031166f
TI		 627 codec->amp_info_size = 0;
628 codec->amp_info = NULL;
1da177e4
LT		 629}
630
631/* query the hash. allocate an entry if not found. */
632static struct hda_amp_info *get_alloc_amp_hash(struct hda_codec *codec, u32 key)
633{
634 u16 idx = key % (u16)ARRAY_SIZE(codec->amp_hash);
635 u16 cur = codec->amp_hash[idx];
636 struct hda_amp_info *info;
637
638 while (cur != 0xffff) {
639 info = &codec->amp_info[cur];
640 if (info->key == key)
641 return info;
642 cur = info->next;
643 }
644
645 /* add a new hash entry */
d031166f
TI		 646 if (codec->num_amp_entries >= codec->amp_info_size) {
647 /* reallocate the array */
648 int new_size = codec->amp_info_size + 64;
649 struct hda_amp_info *new_info = kcalloc(new_size, sizeof(struct hda_amp_info),
650 GFP_KERNEL);
651 if (! new_info) {
652 snd_printk(KERN_ERR "hda_codec: can't malloc amp_info\n");
653 return NULL;
654 }
655 if (codec->amp_info) {
656 memcpy(new_info, codec->amp_info,
657 codec->amp_info_size * sizeof(struct hda_amp_info));
658 kfree(codec->amp_info);
659 }
660 codec->amp_info_size = new_size;
661 codec->amp_info = new_info;
1da177e4
LT		 662 }
663 cur = codec->num_amp_entries++;
664 info = &codec->amp_info[cur];
665 info->key = key;
666 info->status = 0; /* not initialized yet */
667 info->next = codec->amp_hash[idx];
668 codec->amp_hash[idx] = cur;
669
670 return info;
671}
672
673/*
674 * query AMP capabilities for the given widget and direction
675 */
676static u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
677{
678 struct hda_amp_info *info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0));
679
680 if (! info)
681 return 0;
682 if (! (info->status & INFO_AMP_CAPS)) {
54d17403 683 if (! (get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
1da177e4
LT		 684 nid = codec->afg;
685 info->amp_caps = snd_hda_param_read(codec, nid, direction == HDA_OUTPUT ?
686 AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
687 info->status |= INFO_AMP_CAPS;
688 }
689 return info->amp_caps;
690}
691
692/*
693 * read the current volume to info
4a19faee 694 * if the cache exists, read the cache value.
1da177e4 695 */
4a19faee 696static unsigned int get_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
1da177e4
LT		 697 hda_nid_t nid, int ch, int direction, int index)
698{
699 u32 val, parm;
700
4a19faee
TI		 701 if (info->status & INFO_AMP_VOL(ch))
702 return info->vol[ch];
1da177e4
LT		 703
704 parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
705 parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
706 parm |= index;
707 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE, parm);
708 info->vol[ch] = val & 0xff;
4a19faee
TI		 709 info->status |= INFO_AMP_VOL(ch);
710 return info->vol[ch];
1da177e4
LT		 711}
712
713/*
4a19faee 714 * write the current volume in info to the h/w and update the cache
1da177e4 715 */
4a19faee 716static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
1da177e4
LT		 717 hda_nid_t nid, int ch, int direction, int index, int val)
718{
719 u32 parm;
720
721 parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
722 parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
723 parm |= index << AC_AMP_SET_INDEX_SHIFT;
724 parm |= val;
725 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
4a19faee 726 info->vol[ch] = val;
1da177e4
LT		 727}
728
729/*
4a19faee 730 * read AMP value. The volume is between 0 to 0x7f, 0x80 = mute bit.
1da177e4 731 */
89c87bf8 732static int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch, int direction, int index)
1da177e4
LT		 733{
734 struct hda_amp_info *info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
735 if (! info)
736 return 0;
4a19faee 737 return get_vol_mute(codec, info, nid, ch, direction, index);
1da177e4
LT		 738}
739
4a19faee
TI		 740/*
741 * update the AMP value, mask = bit mask to set, val = the value
742 */
743static int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch, int direction, int idx, int mask, int val)
1da177e4
LT		 744{
745 struct hda_amp_info *info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx));
4a19faee 746
1da177e4
LT		 747 if (! info)
748 return 0;
4a19faee
TI		 749 val &= mask;
750 val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask;
1da177e4
LT		 751 if (info->vol[ch] == val && ! codec->in_resume)
752 return 0;
4a19faee 753 put_vol_mute(codec, info, nid, ch, direction, idx, val);
1da177e4
LT		 754 return 1;
755}
756
757
758/*
759 * AMP control callbacks
760 */
761/* retrieve parameters from private_value */
762#define get_amp_nid(kc) ((kc)->private_value & 0xffff)
763#define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3)
764#define get_amp_direction(kc) (((kc)->private_value >> 18) & 0x1)
765#define get_amp_index(kc) (((kc)->private_value >> 19) & 0xf)
766
767/* volume */
c8b6bf9b 768int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 769{
770 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
771 u16 nid = get_amp_nid(kcontrol);
772 u8 chs = get_amp_channels(kcontrol);
773 int dir = get_amp_direction(kcontrol);
774 u32 caps;
775
776 caps = query_amp_caps(codec, nid, dir);
777 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; /* num steps */
778 if (! caps) {
779 printk(KERN_WARNING "hda_codec: num_steps = 0 for NID=0x%x\n", nid);
780 return -EINVAL;
781 }
782 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
783 uinfo->count = chs == 3 ? 2 : 1;
784 uinfo->value.integer.min = 0;
785 uinfo->value.integer.max = caps;
786 return 0;
787}
788
c8b6bf9b 789int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 790{
791 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
792 hda_nid_t nid = get_amp_nid(kcontrol);
793 int chs = get_amp_channels(kcontrol);
794 int dir = get_amp_direction(kcontrol);
795 int idx = get_amp_index(kcontrol);
796 long *valp = ucontrol->value.integer.value;
797
798 if (chs & 1)
799 *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & 0x7f;
800 if (chs & 2)
801 *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & 0x7f;
802 return 0;
803}
804
c8b6bf9b 805int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 806{
807 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
808 hda_nid_t nid = get_amp_nid(kcontrol);
809 int chs = get_amp_channels(kcontrol);
810 int dir = get_amp_direction(kcontrol);
811 int idx = get_amp_index(kcontrol);
1da177e4
LT		 812 long *valp = ucontrol->value.integer.value;
813 int change = 0;
814
b9f5a89c 815 if (chs & 1) {
4a19faee
TI		 816 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
817 0x7f, *valp);
b9f5a89c
NG		 818 valp++;
819 }
4a19faee
TI		 820 if (chs & 2)
821 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
b9f5a89c 822 0x7f, *valp);
1da177e4
LT		 823 return change;
824}
825
826/* switch */
c8b6bf9b 827int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 828{
829 int chs = get_amp_channels(kcontrol);
830
831 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
832 uinfo->count = chs == 3 ? 2 : 1;
833 uinfo->value.integer.min = 0;
834 uinfo->value.integer.max = 1;
835 return 0;
836}
837
c8b6bf9b 838int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 839{
840 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
841 hda_nid_t nid = get_amp_nid(kcontrol);
842 int chs = get_amp_channels(kcontrol);
843 int dir = get_amp_direction(kcontrol);
844 int idx = get_amp_index(kcontrol);
845 long *valp = ucontrol->value.integer.value;
846
847 if (chs & 1)
848 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & 0x80) ? 0 : 1;
849 if (chs & 2)
850 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & 0x80) ? 0 : 1;
851 return 0;
852}
853
c8b6bf9b 854int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 855{
856 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
857 hda_nid_t nid = get_amp_nid(kcontrol);
858 int chs = get_amp_channels(kcontrol);
859 int dir = get_amp_direction(kcontrol);
860 int idx = get_amp_index(kcontrol);
1da177e4
LT		 861 long *valp = ucontrol->value.integer.value;
862 int change = 0;
863
b9f5a89c 864 if (chs & 1) {
4a19faee
TI		 865 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
866 0x80, *valp ? 0 : 0x80);
b9f5a89c
NG		 867 valp++;
868 }
4a19faee
TI		 869 if (chs & 2)
870 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
b9f5a89c
NG		 871 0x80, *valp ? 0 : 0x80);
872
1da177e4
LT		 873 return change;
874}
875
985be54b
TI		 876/*
877 * bound volume controls
878 *
879 * bind multiple volumes (# indices, from 0)
880 */
881
882#define AMP_VAL_IDX_SHIFT 19
883#define AMP_VAL_IDX_MASK (0x0f<<19)
884
c8b6bf9b 885int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
985be54b
TI		 886{
887 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
888 unsigned long pval;
889 int err;
890
62932df8 891 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
985be54b
TI		 892 pval = kcontrol->private_value;
893 kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
894 err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
895 kcontrol->private_value = pval;
62932df8 896 mutex_unlock(&codec->spdif_mutex);
985be54b
TI		 897 return err;
898}
899
c8b6bf9b 900int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
985be54b
TI		 901{
902 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
903 unsigned long pval;
904 int i, indices, err = 0, change = 0;
905
62932df8 906 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
985be54b
TI		 907 pval = kcontrol->private_value;
908 indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
909 for (i = 0; i < indices; i++) {
910 kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) | (i << AMP_VAL_IDX_SHIFT);
911 err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
912 if (err < 0)
913 break;
914 change |= err;
915 }
916 kcontrol->private_value = pval;
62932df8 917 mutex_unlock(&codec->spdif_mutex);
985be54b
TI		 918 return err < 0 ? err : change;
919}
920
1da177e4
LT		 921/*
922 * SPDIF out controls
923 */
924
c8b6bf9b 925static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 926{
927 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
928 uinfo->count = 1;
929 return 0;
930}
931
c8b6bf9b 932static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 933{
934 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
935 IEC958_AES0_NONAUDIO |
936 IEC958_AES0_CON_EMPHASIS_5015 |
937 IEC958_AES0_CON_NOT_COPYRIGHT;
938 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
939 IEC958_AES1_CON_ORIGINAL;
940 return 0;
941}
942
c8b6bf9b 943static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 944{
945 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
946 IEC958_AES0_NONAUDIO |
947 IEC958_AES0_PRO_EMPHASIS_5015;
948 return 0;
949}
950
c8b6bf9b 951static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 952{
953 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
954
955 ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff;
956 ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff;
957 ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff;
958 ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff;
959
960 return 0;
961}
962
963/* convert from SPDIF status bits to HDA SPDIF bits
964 * bit 0 (DigEn) is always set zero (to be filled later)
965 */
966static unsigned short convert_from_spdif_status(unsigned int sbits)
967{
968 unsigned short val = 0;
969
970 if (sbits & IEC958_AES0_PROFESSIONAL)
971 val |= 1 << 6;
972 if (sbits & IEC958_AES0_NONAUDIO)
973 val |= 1 << 5;
974 if (sbits & IEC958_AES0_PROFESSIONAL) {
975 if ((sbits & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
976 val |= 1 << 3;
977 } else {
978 if ((sbits & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
979 val |= 1 << 3;
980 if (! (sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
981 val |= 1 << 4;
982 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
983 val |= 1 << 7;
984 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
985 }
986 return val;
987}
988
989/* convert to SPDIF status bits from HDA SPDIF bits
990 */
991static unsigned int convert_to_spdif_status(unsigned short val)
992{
993 unsigned int sbits = 0;
994
995 if (val & (1 << 5))
996 sbits |= IEC958_AES0_NONAUDIO;
997 if (val & (1 << 6))
998 sbits |= IEC958_AES0_PROFESSIONAL;
999 if (sbits & IEC958_AES0_PROFESSIONAL) {
1000 if (sbits & (1 << 3))
1001 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
1002 } else {
1003 if (val & (1 << 3))
1004 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
1005 if (! (val & (1 << 4)))
1006 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
1007 if (val & (1 << 7))
1008 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
1009 sbits |= val & (0x7f << 8);
1010 }
1011 return sbits;
1012}
1013
c8b6bf9b 1014static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1015{
1016 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1017 hda_nid_t nid = kcontrol->private_value;
1018 unsigned short val;
1019 int change;
1020
62932df8 1021 mutex_lock(&codec->spdif_mutex);
1da177e4
LT		 1022 codec->spdif_status = ucontrol->value.iec958.status[0] |
1023 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
1024 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
1025 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
1026 val = convert_from_spdif_status(codec->spdif_status);
1027 val |= codec->spdif_ctls & 1;
1028 change = codec->spdif_ctls != val;
1029 codec->spdif_ctls = val;
1030
1031 if (change || codec->in_resume) {
1032 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, val & 0xff);
1033 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_2, val >> 8);
1034 }
1035
62932df8 1036 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1037 return change;
1038}
1039
c8b6bf9b 1040static int snd_hda_spdif_out_switch_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 1041{
1042 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1043 uinfo->count = 1;
1044 uinfo->value.integer.min = 0;
1045 uinfo->value.integer.max = 1;
1046 return 0;
1047}
1048
c8b6bf9b 1049static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1050{
1051 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1052
1053 ucontrol->value.integer.value[0] = codec->spdif_ctls & 1;
1054 return 0;
1055}
1056
c8b6bf9b 1057static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1058{
1059 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1060 hda_nid_t nid = kcontrol->private_value;
1061 unsigned short val;
1062 int change;
1063
62932df8 1064 mutex_lock(&codec->spdif_mutex);
1da177e4
LT		 1065 val = codec->spdif_ctls & ~1;
1066 if (ucontrol->value.integer.value[0])
1067 val |= 1;
1068 change = codec->spdif_ctls != val;
1069 if (change || codec->in_resume) {
1070 codec->spdif_ctls = val;
1071 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, val & 0xff);
1072 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE,
1073 AC_AMP_SET_RIGHT | AC_AMP_SET_LEFT |
1074 AC_AMP_SET_OUTPUT | ((val & 1) ? 0 : 0x80));
1075 }
62932df8 1076 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1077 return change;
1078}
1079
c8b6bf9b 1080static struct snd_kcontrol_new dig_mixes[] = {
1da177e4
LT		 1081 {
1082 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1083 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1084 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1085 .info = snd_hda_spdif_mask_info,
1086 .get = snd_hda_spdif_cmask_get,
1087 },
1088 {
1089 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1090 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1091 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1092 .info = snd_hda_spdif_mask_info,
1093 .get = snd_hda_spdif_pmask_get,
1094 },
1095 {
1096 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1097 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1098 .info = snd_hda_spdif_mask_info,
1099 .get = snd_hda_spdif_default_get,
1100 .put = snd_hda_spdif_default_put,
1101 },
1102 {
1103 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1104 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1105 .info = snd_hda_spdif_out_switch_info,
1106 .get = snd_hda_spdif_out_switch_get,
1107 .put = snd_hda_spdif_out_switch_put,
1108 },
1109 { } /* end */
1110};
1111
1112/**
1113 * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1114 * @codec: the HDA codec
1115 * @nid: audio out widget NID
1116 *
1117 * Creates controls related with the SPDIF output.
1118 * Called from each patch supporting the SPDIF out.
1119 *
1120 * Returns 0 if successful, or a negative error code.
1121 */
1122int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid)
1123{
1124 int err;
c8b6bf9b
TI		 1125 struct snd_kcontrol *kctl;
1126 struct snd_kcontrol_new *dig_mix;
1da177e4
LT		 1127
1128 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
1129 kctl = snd_ctl_new1(dig_mix, codec);
1130 kctl->private_value = nid;
1131 if ((err = snd_ctl_add(codec->bus->card, kctl)) < 0)
1132 return err;
1133 }
1134 codec->spdif_ctls = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0);
1135 codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
1136 return 0;
1137}
1138
1139/*
1140 * SPDIF input
1141 */
1142
1143#define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
1144
c8b6bf9b 1145static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1146{
1147 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1148
1149 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
1150 return 0;
1151}
1152
c8b6bf9b 1153static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1154{
1155 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1156 hda_nid_t nid = kcontrol->private_value;
1157 unsigned int val = !!ucontrol->value.integer.value[0];
1158 int change;
1159
62932df8 1160 mutex_lock(&codec->spdif_mutex);
1da177e4
LT		 1161 change = codec->spdif_in_enable != val;
1162 if (change || codec->in_resume) {
1163 codec->spdif_in_enable = val;
1164 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, val);
1165 }
62932df8 1166 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1167 return change;
1168}
1169
c8b6bf9b 1170static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1171{
1172 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1173 hda_nid_t nid = kcontrol->private_value;
1174 unsigned short val;
1175 unsigned int sbits;
1176
1177 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0);
1178 sbits = convert_to_spdif_status(val);
1179 ucontrol->value.iec958.status[0] = sbits;
1180 ucontrol->value.iec958.status[1] = sbits >> 8;
1181 ucontrol->value.iec958.status[2] = sbits >> 16;
1182 ucontrol->value.iec958.status[3] = sbits >> 24;
1183 return 0;
1184}
1185
c8b6bf9b 1186static struct snd_kcontrol_new dig_in_ctls[] = {
1da177e4
LT		 1187 {
1188 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1189 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
1190 .info = snd_hda_spdif_in_switch_info,
1191 .get = snd_hda_spdif_in_switch_get,
1192 .put = snd_hda_spdif_in_switch_put,
1193 },
1194 {
1195 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1196 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1197 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1198 .info = snd_hda_spdif_mask_info,
1199 .get = snd_hda_spdif_in_status_get,
1200 },
1201 { } /* end */
1202};
1203
1204/**
1205 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1206 * @codec: the HDA codec
1207 * @nid: audio in widget NID
1208 *
1209 * Creates controls related with the SPDIF input.
1210 * Called from each patch supporting the SPDIF in.
1211 *
1212 * Returns 0 if successful, or a negative error code.
1213 */
1214int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
1215{
1216 int err;
c8b6bf9b
TI		 1217 struct snd_kcontrol *kctl;
1218 struct snd_kcontrol_new *dig_mix;
1da177e4
LT		 1219
1220 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
1221 kctl = snd_ctl_new1(dig_mix, codec);
1222 kctl->private_value = nid;
1223 if ((err = snd_ctl_add(codec->bus->card, kctl)) < 0)
1224 return err;
1225 }
1226 codec->spdif_in_enable = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0) & 1;
1227 return 0;
1228}
1229
1230
54d17403
TI		 1231/*
1232 * set power state of the codec
1233 */
1234static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
1235 unsigned int power_state)
1236{
1237 hda_nid_t nid, nid_start;
1238 int nodes;
1239
1240 snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE,
1241 power_state);
1242
1243 nodes = snd_hda_get_sub_nodes(codec, fg, &nid_start);
1244 for (nid = nid_start; nid < nodes + nid_start; nid++) {
1245 if (get_wcaps(codec, nid) & AC_WCAP_POWER)
1246 snd_hda_codec_write(codec, nid, 0,
1247 AC_VERB_SET_POWER_STATE,
1248 power_state);
1249 }
1250
1251 if (power_state == AC_PWRST_D0)
1252 msleep(10);
1253}
1254
1255
1da177e4
LT		 1256/**
1257 * snd_hda_build_controls - build mixer controls
1258 * @bus: the BUS
1259 *
1260 * Creates mixer controls for each codec included in the bus.
1261 *
1262 * Returns 0 if successful, otherwise a negative error code.
1263 */
1264int snd_hda_build_controls(struct hda_bus *bus)
1265{
1266 struct list_head *p;
1267
1268 /* build controls */
1269 list_for_each(p, &bus->codec_list) {
1270 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
1271 int err;
1272 if (! codec->patch_ops.build_controls)
1273 continue;
1274 err = codec->patch_ops.build_controls(codec);
1275 if (err < 0)
1276 return err;
1277 }
1278
1279 /* initialize */
1280 list_for_each(p, &bus->codec_list) {
1281 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
1282 int err;
54d17403
TI		 1283 hda_set_power_state(codec,
1284 codec->afg ? codec->afg : codec->mfg,
1285 AC_PWRST_D0);
1da177e4
LT		 1286 if (! codec->patch_ops.init)
1287 continue;
1288 err = codec->patch_ops.init(codec);
1289 if (err < 0)
1290 return err;
1291 }
1292 return 0;
1293}
1294
1295
1296/*
1297 * stream formats
1298 */
befdf316
TI		 1299struct hda_rate_tbl {
1300 unsigned int hz;
1301 unsigned int alsa_bits;
1302 unsigned int hda_fmt;
1303};
1304
1305static struct hda_rate_tbl rate_bits[] = {
1da177e4 1306 /* rate in Hz, ALSA rate bitmask, HDA format value */
9d8f53f2
NG		 1307
1308 /* autodetected value used in snd_hda_query_supported_pcm */
1da177e4
LT		 1309 { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
1310 { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
1311 { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
1312 { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
1313 { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
1314 { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
1315 { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
1316 { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
1317 { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
1318 { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
1319 { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
9d8f53f2
NG		 1320
1321 /* not autodetected value */
1322 { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
befdf316
TI		 1323
1324 { 0 } /* terminator */
1da177e4
LT		 1325};
1326
1327/**
1328 * snd_hda_calc_stream_format - calculate format bitset
1329 * @rate: the sample rate
1330 * @channels: the number of channels
1331 * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
1332 * @maxbps: the max. bps
1333 *
1334 * Calculate the format bitset from the given rate, channels and th PCM format.
1335 *
1336 * Return zero if invalid.
1337 */
1338unsigned int snd_hda_calc_stream_format(unsigned int rate,
1339 unsigned int channels,
1340 unsigned int format,
1341 unsigned int maxbps)
1342{
1343 int i;
1344 unsigned int val = 0;
1345
befdf316
TI		 1346 for (i = 0; rate_bits[i].hz; i++)
1347 if (rate_bits[i].hz == rate) {
1348 val = rate_bits[i].hda_fmt;
1da177e4
LT		 1349 break;
1350 }
befdf316 1351 if (! rate_bits[i].hz) {
1da177e4
LT		 1352 snd_printdd("invalid rate %d\n", rate);
1353 return 0;
1354 }
1355
1356 if (channels == 0 || channels > 8) {
1357 snd_printdd("invalid channels %d\n", channels);
1358 return 0;
1359 }
1360 val |= channels - 1;
1361
1362 switch (snd_pcm_format_width(format)) {
1363 case 8: val |= 0x00; break;
1364 case 16: val |= 0x10; break;
1365 case 20:
1366 case 24:
1367 case 32:
1368 if (maxbps >= 32)
1369 val |= 0x40;
1370 else if (maxbps >= 24)
1371 val |= 0x30;
1372 else
1373 val |= 0x20;
1374 break;
1375 default:
1376 snd_printdd("invalid format width %d\n", snd_pcm_format_width(format));
1377 return 0;
1378 }
1379
1380 return val;
1381}
1382
1383/**
1384 * snd_hda_query_supported_pcm - query the supported PCM rates and formats
1385 * @codec: the HDA codec
1386 * @nid: NID to query
1387 * @ratesp: the pointer to store the detected rate bitflags
1388 * @formatsp: the pointer to store the detected formats
1389 * @bpsp: the pointer to store the detected format widths
1390 *
1391 * Queries the supported PCM rates and formats. The NULL @ratesp, @formatsp
1392 * or @bsps argument is ignored.
1393 *
1394 * Returns 0 if successful, otherwise a negative error code.
1395 */
1396int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
1397 u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
1398{
1399 int i;
1400 unsigned int val, streams;
1401
1402 val = 0;
1403 if (nid != codec->afg &&
54d17403 1404 (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
1da177e4
LT		 1405 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
1406 if (val == -1)
1407 return -EIO;
1408 }
1409 if (! val)
1410 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
1411
1412 if (ratesp) {
1413 u32 rates = 0;
befdf316 1414 for (i = 0; rate_bits[i].hz; i++) {
1da177e4 1415 if (val & (1 << i))
befdf316 1416 rates |= rate_bits[i].alsa_bits;
1da177e4
LT		 1417 }
1418 *ratesp = rates;
1419 }
1420
1421 if (formatsp || bpsp) {
1422 u64 formats = 0;
1423 unsigned int bps;
1424 unsigned int wcaps;
1425
54d17403 1426 wcaps = get_wcaps(codec, nid);
1da177e4
LT		 1427 streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
1428 if (streams == -1)
1429 return -EIO;
1430 if (! streams) {
1431 streams = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
1432 if (streams == -1)
1433 return -EIO;
1434 }
1435
1436 bps = 0;
1437 if (streams & AC_SUPFMT_PCM) {
1438 if (val & AC_SUPPCM_BITS_8) {
1439 formats |= SNDRV_PCM_FMTBIT_U8;
1440 bps = 8;
1441 }
1442 if (val & AC_SUPPCM_BITS_16) {
1443 formats |= SNDRV_PCM_FMTBIT_S16_LE;
1444 bps = 16;
1445 }
1446 if (wcaps & AC_WCAP_DIGITAL) {
1447 if (val & AC_SUPPCM_BITS_32)
1448 formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
1449 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
1450 formats |= SNDRV_PCM_FMTBIT_S32_LE;
1451 if (val & AC_SUPPCM_BITS_24)
1452 bps = 24;
1453 else if (val & AC_SUPPCM_BITS_20)
1454 bps = 20;
1455 } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|AC_SUPPCM_BITS_32)) {
1456 formats |= SNDRV_PCM_FMTBIT_S32_LE;
1457 if (val & AC_SUPPCM_BITS_32)
1458 bps = 32;
1459 else if (val & AC_SUPPCM_BITS_20)
1460 bps = 20;
1461 else if (val & AC_SUPPCM_BITS_24)
1462 bps = 24;
1463 }
1464 }
1465 else if (streams == AC_SUPFMT_FLOAT32) { /* should be exclusive */
1466 formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
1467 bps = 32;
1468 } else if (streams == AC_SUPFMT_AC3) { /* should be exclusive */
1469 /* temporary hack: we have still no proper support
1470 * for the direct AC3 stream...
1471 */
1472 formats |= SNDRV_PCM_FMTBIT_U8;
1473 bps = 8;
1474 }
1475 if (formatsp)
1476 *formatsp = formats;
1477 if (bpsp)
1478 *bpsp = bps;
1479 }
1480
1481 return 0;
1482}
1483
1484/**
1485 * snd_hda_is_supported_format - check whether the given node supports the format val
1486 *
1487 * Returns 1 if supported, 0 if not.
1488 */
1489int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
1490 unsigned int format)
1491{
1492 int i;
1493 unsigned int val = 0, rate, stream;
1494
1495 if (nid != codec->afg &&
54d17403 1496 (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
1da177e4
LT		 1497 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
1498 if (val == -1)
1499 return 0;
1500 }
1501 if (! val) {
1502 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
1503 if (val == -1)
1504 return 0;
1505 }
1506
1507 rate = format & 0xff00;
befdf316
TI		 1508 for (i = 0; rate_bits[i].hz; i++)
1509 if (rate_bits[i].hda_fmt == rate) {
1da177e4
LT		 1510 if (val & (1 << i))
1511 break;
1512 return 0;
1513 }
befdf316 1514 if (! rate_bits[i].hz)
1da177e4
LT		 1515 return 0;
1516
1517 stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
1518 if (stream == -1)
1519 return 0;
1520 if (! stream && nid != codec->afg)
1521 stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
1522 if (! stream || stream == -1)
1523 return 0;
1524
1525 if (stream & AC_SUPFMT_PCM) {
1526 switch (format & 0xf0) {
1527 case 0x00:
1528 if (! (val & AC_SUPPCM_BITS_8))
1529 return 0;
1530 break;
1531 case 0x10:
1532 if (! (val & AC_SUPPCM_BITS_16))
1533 return 0;
1534 break;
1535 case 0x20:
1536 if (! (val & AC_SUPPCM_BITS_20))
1537 return 0;
1538 break;
1539 case 0x30:
1540 if (! (val & AC_SUPPCM_BITS_24))
1541 return 0;
1542 break;
1543 case 0x40:
1544 if (! (val & AC_SUPPCM_BITS_32))
1545 return 0;
1546 break;
1547 default:
1548 return 0;
1549 }
1550 } else {
1551 /* FIXME: check for float32 and AC3? */
1552 }
1553
1554 return 1;
1555}
1556
1557/*
1558 * PCM stuff
1559 */
1560static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
1561 struct hda_codec *codec,
c8b6bf9b 1562 struct snd_pcm_substream *substream)
1da177e4
LT		 1563{
1564 return 0;
1565}
1566
1567static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
1568 struct hda_codec *codec,
1569 unsigned int stream_tag,
1570 unsigned int format,
c8b6bf9b 1571 struct snd_pcm_substream *substream)
1da177e4
LT		 1572{
1573 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
1574 return 0;
1575}
1576
1577static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
1578 struct hda_codec *codec,
c8b6bf9b 1579 struct snd_pcm_substream *substream)
1da177e4
LT		 1580{
1581 snd_hda_codec_setup_stream(codec, hinfo->nid, 0, 0, 0);
1582 return 0;
1583}
1584
1585static int set_pcm_default_values(struct hda_codec *codec, struct hda_pcm_stream *info)
1586{
1587 if (info->nid) {
1588 /* query support PCM information from the given NID */
1589 if (! info->rates || ! info->formats)
1590 snd_hda_query_supported_pcm(codec, info->nid,
1591 info->rates ? NULL : &info->rates,
1592 info->formats ? NULL : &info->formats,
1593 info->maxbps ? NULL : &info->maxbps);
1594 }
1595 if (info->ops.open == NULL)
1596 info->ops.open = hda_pcm_default_open_close;
1597 if (info->ops.close == NULL)
1598 info->ops.close = hda_pcm_default_open_close;
1599 if (info->ops.prepare == NULL) {
1600 snd_assert(info->nid, return -EINVAL);
1601 info->ops.prepare = hda_pcm_default_prepare;
1602 }
1da177e4
LT		 1603 if (info->ops.cleanup == NULL) {
1604 snd_assert(info->nid, return -EINVAL);
1605 info->ops.cleanup = hda_pcm_default_cleanup;
1606 }
1607 return 0;
1608}
1609
1610/**
1611 * snd_hda_build_pcms - build PCM information
1612 * @bus: the BUS
1613 *
1614 * Create PCM information for each codec included in the bus.
1615 *
1616 * The build_pcms codec patch is requested to set up codec->num_pcms and
1617 * codec->pcm_info properly. The array is referred by the top-level driver
1618 * to create its PCM instances.
1619 * The allocated codec->pcm_info should be released in codec->patch_ops.free
1620 * callback.
1621 *
1622 * At least, substreams, channels_min and channels_max must be filled for
1623 * each stream. substreams = 0 indicates that the stream doesn't exist.
1624 * When rates and/or formats are zero, the supported values are queried
1625 * from the given nid. The nid is used also by the default ops.prepare
1626 * and ops.cleanup callbacks.
1627 *
1628 * The driver needs to call ops.open in its open callback. Similarly,
1629 * ops.close is supposed to be called in the close callback.
1630 * ops.prepare should be called in the prepare or hw_params callback
1631 * with the proper parameters for set up.
1632 * ops.cleanup should be called in hw_free for clean up of streams.
1633 *
1634 * This function returns 0 if successfull, or a negative error code.
1635 */
1636int snd_hda_build_pcms(struct hda_bus *bus)
1637{
1638 struct list_head *p;
1639
1640 list_for_each(p, &bus->codec_list) {
1641 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
1642 unsigned int pcm, s;
1643 int err;
1644 if (! codec->patch_ops.build_pcms)
1645 continue;
1646 err = codec->patch_ops.build_pcms(codec);
1647 if (err < 0)
1648 return err;
1649 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
1650 for (s = 0; s < 2; s++) {
1651 struct hda_pcm_stream *info;
1652 info = &codec->pcm_info[pcm].stream[s];
1653 if (! info->substreams)
1654 continue;
1655 err = set_pcm_default_values(codec, info);
1656 if (err < 0)
1657 return err;
1658 }
1659 }
1660 }
1661 return 0;
1662}
1663
1664
1665/**
1666 * snd_hda_check_board_config - compare the current codec with the config table
1667 * @codec: the HDA codec
1668 * @tbl: configuration table, terminated by null entries
1669 *
1670 * Compares the modelname or PCI subsystem id of the current codec with the
1671 * given configuration table. If a matching entry is found, returns its
1672 * config value (supposed to be 0 or positive).
1673 *
1674 * If no entries are matching, the function returns a negative value.
1675 */
e9edcee0 1676int snd_hda_check_board_config(struct hda_codec *codec, const struct hda_board_config *tbl)
1da177e4 1677{
e9edcee0 1678 const struct hda_board_config *c;
1da177e4
LT		 1679
1680 if (codec->bus->modelname) {
7291548d 1681 for (c = tbl; c->modelname || c->pci_subvendor; c++) {
1da177e4
LT		 1682 if (c->modelname &&
1683 ! strcmp(codec->bus->modelname, c->modelname)) {
1684 snd_printd(KERN_INFO "hda_codec: model '%s' is selected\n", c->modelname);
1685 return c->config;
1686 }
1687 }
1688 }
1689
1690 if (codec->bus->pci) {
1691 u16 subsystem_vendor, subsystem_device;
1692 pci_read_config_word(codec->bus->pci, PCI_SUBSYSTEM_VENDOR_ID, &subsystem_vendor);
1693 pci_read_config_word(codec->bus->pci, PCI_SUBSYSTEM_ID, &subsystem_device);
7291548d
TI		 1694 for (c = tbl; c->modelname || c->pci_subvendor; c++) {
1695 if (c->pci_subvendor == subsystem_vendor &&
5ecd7022 1696 (! c->pci_subdevice /* all match */||
cb8e2f83
TI		 1697 (c->pci_subdevice == subsystem_device))) {
1698 snd_printdd(KERN_INFO "hda_codec: PCI %x:%x, codec config %d is selected\n",
1699 subsystem_vendor, subsystem_device, c->config);
1da177e4 1700 return c->config;
cb8e2f83 1701 }
1da177e4
LT		 1702 }
1703 }
1704 return -1;
1705}
1706
1707/**
1708 * snd_hda_add_new_ctls - create controls from the array
1709 * @codec: the HDA codec
c8b6bf9b 1710 * @knew: the array of struct snd_kcontrol_new
1da177e4
LT		 1711 *
1712 * This helper function creates and add new controls in the given array.
1713 * The array must be terminated with an empty entry as terminator.
1714 *
1715 * Returns 0 if successful, or a negative error code.
1716 */
c8b6bf9b 1717int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
1da177e4
LT		 1718{
1719 int err;
1720
1721 for (; knew->name; knew++) {
54d17403
TI		 1722 struct snd_kcontrol *kctl;
1723 kctl = snd_ctl_new1(knew, codec);
1724 if (! kctl)
1725 return -ENOMEM;
1726 err = snd_ctl_add(codec->bus->card, kctl);
1727 if (err < 0) {
1728 if (! codec->addr)
1729 return err;
1730 kctl = snd_ctl_new1(knew, codec);
1731 if (! kctl)
1732 return -ENOMEM;
1733 kctl->id.device = codec->addr;
1734 if ((err = snd_ctl_add(codec->bus->card, kctl)) < 0)
1735 return err;
1736 }
1da177e4
LT		 1737 }
1738 return 0;
1739}
1740
1741
c8b6bf9b 1742/*
d2a6d7dc
TI		 1743 * Channel mode helper
1744 */
c8b6bf9b 1745int snd_hda_ch_mode_info(struct hda_codec *codec, struct snd_ctl_elem_info *uinfo,
d2a6d7dc
TI		 1746 const struct hda_channel_mode *chmode, int num_chmodes)
1747{
1748 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1749 uinfo->count = 1;
1750 uinfo->value.enumerated.items = num_chmodes;
1751 if (uinfo->value.enumerated.item >= num_chmodes)
1752 uinfo->value.enumerated.item = num_chmodes - 1;
1753 sprintf(uinfo->value.enumerated.name, "%dch",
1754 chmode[uinfo->value.enumerated.item].channels);
1755 return 0;
1756}
1757
c8b6bf9b 1758int snd_hda_ch_mode_get(struct hda_codec *codec, struct snd_ctl_elem_value *ucontrol,
d2a6d7dc
TI		 1759 const struct hda_channel_mode *chmode, int num_chmodes,
1760 int max_channels)
1761{
1762 int i;
1763
1764 for (i = 0; i < num_chmodes; i++) {
1765 if (max_channels == chmode[i].channels) {
1766 ucontrol->value.enumerated.item[0] = i;
1767 break;
1768 }
1769 }
1770 return 0;
1771}
1772
c8b6bf9b 1773int snd_hda_ch_mode_put(struct hda_codec *codec, struct snd_ctl_elem_value *ucontrol,
d2a6d7dc
TI		 1774 const struct hda_channel_mode *chmode, int num_chmodes,
1775 int *max_channelsp)
1776{
1777 unsigned int mode;
1778
1779 mode = ucontrol->value.enumerated.item[0];
1780 snd_assert(mode < num_chmodes, return -EINVAL);
b2ec6423 1781 if (*max_channelsp == chmode[mode].channels && ! codec->in_resume)
d2a6d7dc
TI		 1782 return 0;
1783 /* change the current channel setting */
1784 *max_channelsp = chmode[mode].channels;
1785 if (chmode[mode].sequence)
1786 snd_hda_sequence_write(codec, chmode[mode].sequence);
1787 return 1;
1788}
1789
1da177e4
LT		 1790/*
1791 * input MUX helper
1792 */
c8b6bf9b 1793int snd_hda_input_mux_info(const struct hda_input_mux *imux, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 1794{
1795 unsigned int index;
1796
1797 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1798 uinfo->count = 1;
1799 uinfo->value.enumerated.items = imux->num_items;
1800 index = uinfo->value.enumerated.item;
1801 if (index >= imux->num_items)
1802 index = imux->num_items - 1;
1803 strcpy(uinfo->value.enumerated.name, imux->items[index].label);
1804 return 0;
1805}
1806
1807int snd_hda_input_mux_put(struct hda_codec *codec, const struct hda_input_mux *imux,
c8b6bf9b 1808 struct snd_ctl_elem_value *ucontrol, hda_nid_t nid,
1da177e4
LT		 1809 unsigned int *cur_val)
1810{
1811 unsigned int idx;
1812
1813 idx = ucontrol->value.enumerated.item[0];
1814 if (idx >= imux->num_items)
1815 idx = imux->num_items - 1;
1816 if (*cur_val == idx && ! codec->in_resume)
1817 return 0;
1818 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
1819 imux->items[idx].index);
1820 *cur_val = idx;
1821 return 1;
1822}
1823
1824
1825/*
1826 * Multi-channel / digital-out PCM helper functions
1827 */
1828
1829/*
1830 * open the digital out in the exclusive mode
1831 */
1832int snd_hda_multi_out_dig_open(struct hda_codec *codec, struct hda_multi_out *mout)
1833{
62932df8 1834 mutex_lock(&codec->spdif_mutex);
1da177e4 1835 if (mout->dig_out_used) {
62932df8 1836 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1837 return -EBUSY; /* already being used */
1838 }
1839 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
62932df8 1840 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1841 return 0;
1842}
1843
1844/*
1845 * release the digital out
1846 */
1847int snd_hda_multi_out_dig_close(struct hda_codec *codec, struct hda_multi_out *mout)
1848{
62932df8 1849 mutex_lock(&codec->spdif_mutex);
1da177e4 1850 mout->dig_out_used = 0;
62932df8 1851 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1852 return 0;
1853}
1854
1855/*
1856 * set up more restrictions for analog out
1857 */
1858int snd_hda_multi_out_analog_open(struct hda_codec *codec, struct hda_multi_out *mout,
c8b6bf9b 1859 struct snd_pcm_substream *substream)
1da177e4
LT		 1860{
1861 substream->runtime->hw.channels_max = mout->max_channels;
1862 return snd_pcm_hw_constraint_step(substream->runtime, 0,
1863 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1864}
1865
1866/*
1867 * set up the i/o for analog out
1868 * when the digital out is available, copy the front out to digital out, too.
1869 */
1870int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, struct hda_multi_out *mout,
1871 unsigned int stream_tag,
1872 unsigned int format,
c8b6bf9b 1873 struct snd_pcm_substream *substream)
1da177e4
LT		 1874{
1875 hda_nid_t *nids = mout->dac_nids;
1876 int chs = substream->runtime->channels;
1877 int i;
1878
62932df8 1879 mutex_lock(&codec->spdif_mutex);
1da177e4
LT		 1880 if (mout->dig_out_nid && mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
1881 if (chs == 2 &&
1882 snd_hda_is_supported_format(codec, mout->dig_out_nid, format) &&
1883 ! (codec->spdif_status & IEC958_AES0_NONAUDIO)) {
1884 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
1885 /* setup digital receiver */
1886 snd_hda_codec_setup_stream(codec, mout->dig_out_nid,
1887 stream_tag, 0, format);
1888 } else {
1889 mout->dig_out_used = 0;
1890 snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
1891 }
1892 }
62932df8 1893 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1894
1895 /* front */
1896 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag, 0, format);
1897 if (mout->hp_nid)
1898 /* headphone out will just decode front left/right (stereo) */
1899 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag, 0, format);
1900 /* surrounds */
1901 for (i = 1; i < mout->num_dacs; i++) {
4b3acaf5 1902 if (chs >= (i + 1) * 2) /* independent out */
1da177e4
LT		 1903 snd_hda_codec_setup_stream(codec, nids[i], stream_tag, i * 2,
1904 format);
4b3acaf5
TI		 1905 else /* copy front */
1906 snd_hda_codec_setup_stream(codec, nids[i], stream_tag, 0,
1907 format);
1da177e4
LT		 1908 }
1909 return 0;
1910}
1911
1912/*
1913 * clean up the setting for analog out
1914 */
1915int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec, struct hda_multi_out *mout)
1916{
1917 hda_nid_t *nids = mout->dac_nids;
1918 int i;
1919
1920 for (i = 0; i < mout->num_dacs; i++)
1921 snd_hda_codec_setup_stream(codec, nids[i], 0, 0, 0);
1922 if (mout->hp_nid)
1923 snd_hda_codec_setup_stream(codec, mout->hp_nid, 0, 0, 0);
62932df8 1924 mutex_lock(&codec->spdif_mutex);
1da177e4
LT		 1925 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
1926 snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
1927 mout->dig_out_used = 0;
1928 }
62932df8 1929 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1930 return 0;
1931}
1932
e9edcee0
TI		 1933/*
1934 * Helper for automatic ping configuration
1935 */
df694daa
KY		 1936
1937static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list)
1938{
1939 for (; *list; list++)
1940 if (*list == nid)
1941 return 1;
1942 return 0;
1943}
1944
e9edcee0 1945/* parse all pin widgets and store the useful pin nids to cfg */
df694daa
KY		 1946int snd_hda_parse_pin_def_config(struct hda_codec *codec, struct auto_pin_cfg *cfg,
1947 hda_nid_t *ignore_nids)
e9edcee0
TI		 1948{
1949 hda_nid_t nid, nid_start;
1950 int i, j, nodes;
1951 short seq, sequences[4], assoc_line_out;
1952
1953 memset(cfg, 0, sizeof(*cfg));
1954
1955 memset(sequences, 0, sizeof(sequences));
1956 assoc_line_out = 0;
1957
1958 nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid_start);
1959 for (nid = nid_start; nid < nodes + nid_start; nid++) {
54d17403 1960 unsigned int wid_caps = get_wcaps(codec, nid);
e9edcee0
TI		 1961 unsigned int wid_type = (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
1962 unsigned int def_conf;
1963 short assoc, loc;
1964
1965 /* read all default configuration for pin complex */
1966 if (wid_type != AC_WID_PIN)
1967 continue;
df694daa
KY		 1968 /* ignore the given nids (e.g. pc-beep returns error) */
1969 if (ignore_nids && is_in_nid_list(nid, ignore_nids))
1970 continue;
1971
e9edcee0
TI		 1972 def_conf = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
1973 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
1974 continue;
1975 loc = get_defcfg_location(def_conf);
1976 switch (get_defcfg_device(def_conf)) {
1977 case AC_JACK_LINE_OUT:
e9edcee0
TI		 1978 seq = get_defcfg_sequence(def_conf);
1979 assoc = get_defcfg_association(def_conf);
1980 if (! assoc)
1981 continue;
1982 if (! assoc_line_out)
1983 assoc_line_out = assoc;
1984 else if (assoc_line_out != assoc)
1985 continue;
1986 if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
1987 continue;
1988 cfg->line_out_pins[cfg->line_outs] = nid;
1989 sequences[cfg->line_outs] = seq;
1990 cfg->line_outs++;
1991 break;
8d88bc3d
TI		 1992 case AC_JACK_SPEAKER:
1993 cfg->speaker_pin = nid;
1994 break;
e9edcee0
TI		 1995 case AC_JACK_HP_OUT:
1996 cfg->hp_pin = nid;
1997 break;
1998 case AC_JACK_MIC_IN:
1999 if (loc == AC_JACK_LOC_FRONT)
2000 cfg->input_pins[AUTO_PIN_FRONT_MIC] = nid;
2001 else
2002 cfg->input_pins[AUTO_PIN_MIC] = nid;
2003 break;
2004 case AC_JACK_LINE_IN:
2005 if (loc == AC_JACK_LOC_FRONT)
2006 cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
2007 else
2008 cfg->input_pins[AUTO_PIN_LINE] = nid;
2009 break;
2010 case AC_JACK_CD:
2011 cfg->input_pins[AUTO_PIN_CD] = nid;
2012 break;
2013 case AC_JACK_AUX:
2014 cfg->input_pins[AUTO_PIN_AUX] = nid;
2015 break;
2016 case AC_JACK_SPDIF_OUT:
2017 cfg->dig_out_pin = nid;
2018 break;
2019 case AC_JACK_SPDIF_IN:
2020 cfg->dig_in_pin = nid;
2021 break;
2022 }
2023 }
2024
2025 /* sort by sequence */
2026 for (i = 0; i < cfg->line_outs; i++)
2027 for (j = i + 1; j < cfg->line_outs; j++)
2028 if (sequences[i] > sequences[j]) {
2029 seq = sequences[i];
2030 sequences[i] = sequences[j];
2031 sequences[j] = seq;
2032 nid = cfg->line_out_pins[i];
2033 cfg->line_out_pins[i] = cfg->line_out_pins[j];
2034 cfg->line_out_pins[j] = nid;
2035 }
2036
cb8e2f83
TI		 2037 /* Reorder the surround channels
2038 * ALSA sequence is front/surr/clfe/side
2039 * HDA sequence is:
2040 * 4-ch: front/surr => OK as it is
2041 * 6-ch: front/clfe/surr
2042 * 8-ch: front/clfe/side/surr
2043 */
2044 switch (cfg->line_outs) {
2045 case 3:
e9edcee0
TI		 2046 nid = cfg->line_out_pins[1];
2047 cfg->line_out_pins[1] = cfg->line_out_pins[2];
2048 cfg->line_out_pins[2] = nid;
cb8e2f83
TI		 2049 break;
2050 case 4:
2051 nid = cfg->line_out_pins[1];
2052 cfg->line_out_pins[1] = cfg->line_out_pins[3];
2053 cfg->line_out_pins[3] = cfg->line_out_pins[2];
2054 cfg->line_out_pins[2] = nid;
2055 break;
e9edcee0
TI		 2056 }
2057
2058 return 0;
2059}
2060
4a471b7d
TI		 2061/* labels for input pins */
2062const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
2063 "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
2064};
2065
2066
1da177e4
LT		 2067#ifdef CONFIG_PM
2068/*
2069 * power management
2070 */
2071
2072/**
2073 * snd_hda_suspend - suspend the codecs
2074 * @bus: the HDA bus
2075 * @state: suspsend state
2076 *
2077 * Returns 0 if successful.
2078 */
2079int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
2080{
2081 struct list_head *p;
2082
2083 /* FIXME: should handle power widget capabilities */
2084 list_for_each(p, &bus->codec_list) {
2085 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
2086 if (codec->patch_ops.suspend)
2087 codec->patch_ops.suspend(codec, state);
54d17403
TI		 2088 hda_set_power_state(codec,
2089 codec->afg ? codec->afg : codec->mfg,
2090 AC_PWRST_D3);
1da177e4
LT		 2091 }
2092 return 0;
2093}
2094
2095/**
2096 * snd_hda_resume - resume the codecs
2097 * @bus: the HDA bus
2098 * @state: resume state
2099 *
2100 * Returns 0 if successful.
2101 */
2102int snd_hda_resume(struct hda_bus *bus)
2103{
2104 struct list_head *p;
2105
2106 list_for_each(p, &bus->codec_list) {
2107 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
54d17403
TI		 2108 hda_set_power_state(codec,
2109 codec->afg ? codec->afg : codec->mfg,
2110 AC_PWRST_D0);
1da177e4
LT		 2111 if (codec->patch_ops.resume)
2112 codec->patch_ops.resume(codec);
2113 }
2114 return 0;
2115}
2116
2117/**
2118 * snd_hda_resume_ctls - resume controls in the new control list
2119 * @codec: the HDA codec
c8b6bf9b 2120 * @knew: the array of struct snd_kcontrol_new
1da177e4 2121 *
c8b6bf9b 2122 * This function resumes the mixer controls in the struct snd_kcontrol_new array,
1da177e4
LT		 2123 * originally for snd_hda_add_new_ctls().
2124 * The array must be terminated with an empty entry as terminator.
2125 */
c8b6bf9b 2126int snd_hda_resume_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
1da177e4 2127{
c8b6bf9b 2128 struct snd_ctl_elem_value *val;
1da177e4
LT		 2129
2130 val = kmalloc(sizeof(*val), GFP_KERNEL);
2131 if (! val)
2132 return -ENOMEM;
2133 codec->in_resume = 1;
2134 for (; knew->name; knew++) {
2135 int i, count;
2136 count = knew->count ? knew->count : 1;
2137 for (i = 0; i < count; i++) {
2138 memset(val, 0, sizeof(*val));
2139 val->id.iface = knew->iface;
2140 val->id.device = knew->device;
2141 val->id.subdevice = knew->subdevice;
2142 strcpy(val->id.name, knew->name);
2143 val->id.index = knew->index ? knew->index : i;
2144 /* Assume that get callback reads only from cache,
2145 * not accessing to the real hardware
2146 */
2147 if (snd_ctl_elem_read(codec->bus->card, val) < 0)
2148 continue;
2149 snd_ctl_elem_write(codec->bus->card, NULL, val);
2150 }
2151 }
2152 codec->in_resume = 0;
2153 kfree(val);
2154 return 0;
2155}
2156
2157/**
2158 * snd_hda_resume_spdif_out - resume the digital out
2159 * @codec: the HDA codec
2160 */
2161int snd_hda_resume_spdif_out(struct hda_codec *codec)
2162{
2163 return snd_hda_resume_ctls(codec, dig_mixes);
2164}
2165
2166/**
2167 * snd_hda_resume_spdif_in - resume the digital in
2168 * @codec: the HDA codec
2169 */
2170int snd_hda_resume_spdif_in(struct hda_codec *codec)
2171{
2172 return snd_hda_resume_ctls(codec, dig_in_ctls);
2173}
2174#endif
2175
2176/*
2177 * symbols exported for controller modules
2178 */
2179EXPORT_SYMBOL(snd_hda_codec_read);
2180EXPORT_SYMBOL(snd_hda_codec_write);
2181EXPORT_SYMBOL(snd_hda_sequence_write);
2182EXPORT_SYMBOL(snd_hda_get_sub_nodes);
2183EXPORT_SYMBOL(snd_hda_queue_unsol_event);
2184EXPORT_SYMBOL(snd_hda_bus_new);
2185EXPORT_SYMBOL(snd_hda_codec_new);
2186EXPORT_SYMBOL(snd_hda_codec_setup_stream);
2187EXPORT_SYMBOL(snd_hda_calc_stream_format);
2188EXPORT_SYMBOL(snd_hda_build_pcms);
2189EXPORT_SYMBOL(snd_hda_build_controls);
2190#ifdef CONFIG_PM
2191EXPORT_SYMBOL(snd_hda_suspend);
2192EXPORT_SYMBOL(snd_hda_resume);
2193#endif
2194
2195/*
2196 * INIT part
2197 */
2198
2199static int __init alsa_hda_init(void)
2200{
2201 return 0;
2202}
2203
2204static void __exit alsa_hda_exit(void)
2205{
2206}
2207
2208module_init(alsa_hda_init)
2209module_exit(alsa_hda_exit)
Linux kernel - Deliverables
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