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[ALSA] hda-codec - optimize resume using caches
[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>
62932df8 27#include <linux/mutex.h>
1da177e4
LT		 28#include <sound/core.h>
29#include "hda_codec.h"
30#include <sound/asoundef.h>
302e9c5a 31#include <sound/tlv.h>
1da177e4
LT		 32#include <sound/initval.h>
33#include "hda_local.h"
2807314d 34#include <sound/hda_hwdep.h>
1da177e4
LT		 35
36
1da177e4
LT		 37/*
38 * vendor / preset table
39 */
40
41struct hda_vendor_id {
42 unsigned int id;
43 const char *name;
44};
45
46/* codec vendor labels */
47static struct hda_vendor_id hda_vendor_ids[] = {
48 { 0x10ec, "Realtek" },
a9226251 49 { 0x1057, "Motorola" },
c577b8a1 50 { 0x1106, "VIA" },
54b903ec 51 { 0x11d4, "Analog Devices" },
1da177e4 52 { 0x13f6, "C-Media" },
a9226251 53 { 0x14f1, "Conexant" },
1da177e4 54 { 0x434d, "C-Media" },
2f2f4251 55 { 0x8384, "SigmaTel" },
1da177e4
LT		 56 {} /* terminator */
57};
58
59/* codec presets */
60#include "hda_patch.h"
61
62
63/**
64 * snd_hda_codec_read - send a command and get the response
65 * @codec: the HDA codec
66 * @nid: NID to send the command
67 * @direct: direct flag
68 * @verb: the verb to send
69 * @parm: the parameter for the verb
70 *
71 * Send a single command and read the corresponding response.
72 *
73 * Returns the obtained response value, or -1 for an error.
74 */
0ba21762
TI		 75unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
76 int direct,
1da177e4
LT		 77 unsigned int verb, unsigned int parm)
78{
79 unsigned int res;
62932df8 80 mutex_lock(&codec->bus->cmd_mutex);
0ba21762 81 if (!codec->bus->ops.command(codec, nid, direct, verb, parm))
1da177e4
LT		 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 */
0ba21762
TI		 134int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
135 hda_nid_t *start_id)
1da177e4
LT		 136{
137 unsigned int parm;
138
139 parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
140 *start_id = (parm >> 16) & 0x7fff;
141 return (int)(parm & 0x7fff);
142}
143
144/**
145 * snd_hda_get_connections - get connection list
146 * @codec: the HDA codec
147 * @nid: NID to parse
148 * @conn_list: connection list array
149 * @max_conns: max. number of connections to store
150 *
151 * Parses the connection list of the given widget and stores the list
152 * of NIDs.
153 *
154 * Returns the number of connections, or a negative error code.
155 */
156int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
157 hda_nid_t *conn_list, int max_conns)
158{
159 unsigned int parm;
54d17403 160 int i, conn_len, conns;
1da177e4 161 unsigned int shift, num_elems, mask;
54d17403 162 hda_nid_t prev_nid;
1da177e4
LT		 163
164 snd_assert(conn_list && max_conns > 0, return -EINVAL);
165
166 parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN);
167 if (parm & AC_CLIST_LONG) {
168 /* long form */
169 shift = 16;
170 num_elems = 2;
171 } else {
172 /* short form */
173 shift = 8;
174 num_elems = 4;
175 }
176 conn_len = parm & AC_CLIST_LENGTH;
1da177e4
LT		 177 mask = (1 << (shift-1)) - 1;
178
0ba21762 179 if (!conn_len)
1da177e4
LT		 180 return 0; /* no connection */
181
182 if (conn_len == 1) {
183 /* single connection */
0ba21762
TI		 184 parm = snd_hda_codec_read(codec, nid, 0,
185 AC_VERB_GET_CONNECT_LIST, 0);
1da177e4
LT		 186 conn_list[0] = parm & mask;
187 return 1;
188 }
189
190 /* multi connection */
191 conns = 0;
54d17403
TI		 192 prev_nid = 0;
193 for (i = 0; i < conn_len; i++) {
194 int range_val;
195 hda_nid_t val, n;
196
197 if (i % num_elems == 0)
198 parm = snd_hda_codec_read(codec, nid, 0,
199 AC_VERB_GET_CONNECT_LIST, i);
0ba21762 200 range_val = !!(parm & (1 << (shift-1))); /* ranges */
54d17403
TI		 201 val = parm & mask;
202 parm >>= shift;
203 if (range_val) {
204 /* ranges between the previous and this one */
0ba21762
TI		 205 if (!prev_nid || prev_nid >= val) {
206 snd_printk(KERN_WARNING "hda_codec: "
207 "invalid dep_range_val %x:%x\n",
208 prev_nid, val);
54d17403
TI		 209 continue;
210 }
211 for (n = prev_nid + 1; n <= val; n++) {
212 if (conns >= max_conns) {
0ba21762
TI		 213 snd_printk(KERN_ERR
214 "Too many connections\n");
1da177e4 215 return -EINVAL;
54d17403
TI		 216 }
217 conn_list[conns++] = n;
1da177e4 218 }
54d17403
TI		 219 } else {
220 if (conns >= max_conns) {
221 snd_printk(KERN_ERR "Too many connections\n");
222 return -EINVAL;
223 }
224 conn_list[conns++] = val;
1da177e4 225 }
54d17403 226 prev_nid = val;
1da177e4
LT		 227 }
228 return conns;
229}
230
231
232/**
233 * snd_hda_queue_unsol_event - add an unsolicited event to queue
234 * @bus: the BUS
235 * @res: unsolicited event (lower 32bit of RIRB entry)
236 * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
237 *
238 * Adds the given event to the queue. The events are processed in
239 * the workqueue asynchronously. Call this function in the interrupt
240 * hanlder when RIRB receives an unsolicited event.
241 *
242 * Returns 0 if successful, or a negative error code.
243 */
244int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
245{
246 struct hda_bus_unsolicited *unsol;
247 unsigned int wp;
248
0ba21762
TI		 249 unsol = bus->unsol;
250 if (!unsol)
1da177e4
LT		 251 return 0;
252
253 wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
254 unsol->wp = wp;
255
256 wp <<= 1;
257 unsol->queue[wp] = res;
258 unsol->queue[wp + 1] = res_ex;
259
e250af29 260 schedule_work(&unsol->work);
1da177e4
LT		 261
262 return 0;
263}
264
265/*
266 * process queueud unsolicited events
267 */
c4028958 268static void process_unsol_events(struct work_struct *work)
1da177e4 269{
c4028958
DH		 270 struct hda_bus_unsolicited *unsol =
271 container_of(work, struct hda_bus_unsolicited, work);
272 struct hda_bus *bus = unsol->bus;
1da177e4
LT		 273 struct hda_codec *codec;
274 unsigned int rp, caddr, res;
275
276 while (unsol->rp != unsol->wp) {
277 rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE;
278 unsol->rp = rp;
279 rp <<= 1;
280 res = unsol->queue[rp];
281 caddr = unsol->queue[rp + 1];
0ba21762 282 if (!(caddr & (1 << 4))) /* no unsolicited event? */
1da177e4
LT		 283 continue;
284 codec = bus->caddr_tbl[caddr & 0x0f];
285 if (codec && codec->patch_ops.unsol_event)
286 codec->patch_ops.unsol_event(codec, res);
287 }
288}
289
290/*
291 * initialize unsolicited queue
292 */
756e2b01 293static int __devinit init_unsol_queue(struct hda_bus *bus)
1da177e4
LT		 294{
295 struct hda_bus_unsolicited *unsol;
296
9f146bb6
TI		 297 if (bus->unsol) /* already initialized */
298 return 0;
299
e560d8d8 300 unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
0ba21762
TI		 301 if (!unsol) {
302 snd_printk(KERN_ERR "hda_codec: "
303 "can't allocate unsolicited queue\n");
1da177e4
LT		 304 return -ENOMEM;
305 }
c4028958
DH		 306 INIT_WORK(&unsol->work, process_unsol_events);
307 unsol->bus = bus;
1da177e4
LT		 308 bus->unsol = unsol;
309 return 0;
310}
311
312/*
313 * destructor
314 */
315static void snd_hda_codec_free(struct hda_codec *codec);
316
317static int snd_hda_bus_free(struct hda_bus *bus)
318{
0ba21762 319 struct hda_codec *codec, *n;
1da177e4 320
0ba21762 321 if (!bus)
1da177e4
LT		 322 return 0;
323 if (bus->unsol) {
e250af29 324 flush_scheduled_work();
1da177e4
LT		 325 kfree(bus->unsol);
326 }
0ba21762 327 list_for_each_entry_safe(codec, n, &bus->codec_list, list) {
1da177e4
LT		 328 snd_hda_codec_free(codec);
329 }
330 if (bus->ops.private_free)
331 bus->ops.private_free(bus);
332 kfree(bus);
333 return 0;
334}
335
c8b6bf9b 336static int snd_hda_bus_dev_free(struct snd_device *device)
1da177e4
LT		 337{
338 struct hda_bus *bus = device->device_data;
339 return snd_hda_bus_free(bus);
340}
341
342/**
343 * snd_hda_bus_new - create a HDA bus
344 * @card: the card entry
345 * @temp: the template for hda_bus information
346 * @busp: the pointer to store the created bus instance
347 *
348 * Returns 0 if successful, or a negative error code.
349 */
756e2b01
TI		 350int __devinit snd_hda_bus_new(struct snd_card *card,
351 const struct hda_bus_template *temp,
352 struct hda_bus **busp)
1da177e4
LT		 353{
354 struct hda_bus *bus;
355 int err;
c8b6bf9b 356 static struct snd_device_ops dev_ops = {
1da177e4
LT		 357 .dev_free = snd_hda_bus_dev_free,
358 };
359
360 snd_assert(temp, return -EINVAL);
361 snd_assert(temp->ops.command && temp->ops.get_response, return -EINVAL);
362
363 if (busp)
364 *busp = NULL;
365
e560d8d8 366 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1da177e4
LT		 367 if (bus == NULL) {
368 snd_printk(KERN_ERR "can't allocate struct hda_bus\n");
369 return -ENOMEM;
370 }
371
372 bus->card = card;
373 bus->private_data = temp->private_data;
374 bus->pci = temp->pci;
375 bus->modelname = temp->modelname;
376 bus->ops = temp->ops;
377
62932df8 378 mutex_init(&bus->cmd_mutex);
1da177e4
LT		 379 INIT_LIST_HEAD(&bus->codec_list);
380
0ba21762
TI		 381 err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
382 if (err < 0) {
1da177e4
LT		 383 snd_hda_bus_free(bus);
384 return err;
385 }
386 if (busp)
387 *busp = bus;
388 return 0;
389}
390
82467611
TI		 391#ifdef CONFIG_SND_HDA_GENERIC
392#define is_generic_config(codec) \
393 (codec->bus->modelname && !strcmp(codec->bus->modelname, "generic"))
394#else
395#define is_generic_config(codec) 0
396#endif
397
1da177e4
LT		 398/*
399 * find a matching codec preset
400 */
756e2b01
TI		 401static const struct hda_codec_preset __devinit *
402find_codec_preset(struct hda_codec *codec)
1da177e4
LT		 403{
404 const struct hda_codec_preset **tbl, *preset;
405
82467611 406 if (is_generic_config(codec))
d5ad630b
TI		 407 return NULL; /* use the generic parser */
408
1da177e4
LT		 409 for (tbl = hda_preset_tables; *tbl; tbl++) {
410 for (preset = *tbl; preset->id; preset++) {
411 u32 mask = preset->mask;
0ba21762 412 if (!mask)
1da177e4 413 mask = ~0;
9c7f852e 414 if (preset->id == (codec->vendor_id & mask) &&
0ba21762 415 (!preset->rev ||
9c7f852e 416 preset->rev == codec->revision_id))
1da177e4
LT		 417 return preset;
418 }
419 }
420 return NULL;
421}
422
423/*
424 * snd_hda_get_codec_name - store the codec name
425 */
426void snd_hda_get_codec_name(struct hda_codec *codec,
427 char *name, int namelen)
428{
429 const struct hda_vendor_id *c;
430 const char *vendor = NULL;
431 u16 vendor_id = codec->vendor_id >> 16;
432 char tmp[16];
433
434 for (c = hda_vendor_ids; c->id; c++) {
435 if (c->id == vendor_id) {
436 vendor = c->name;
437 break;
438 }
439 }
0ba21762 440 if (!vendor) {
1da177e4
LT		 441 sprintf(tmp, "Generic %04x", vendor_id);
442 vendor = tmp;
443 }
444 if (codec->preset && codec->preset->name)
445 snprintf(name, namelen, "%s %s", vendor, codec->preset->name);
446 else
0ba21762
TI		 447 snprintf(name, namelen, "%s ID %x", vendor,
448 codec->vendor_id & 0xffff);
1da177e4
LT		 449}
450
451/*
673b683a 452 * look for an AFG and MFG nodes
1da177e4 453 */
756e2b01 454static void __devinit setup_fg_nodes(struct hda_codec *codec)
1da177e4
LT		 455{
456 int i, total_nodes;
457 hda_nid_t nid;
458
459 total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
460 for (i = 0; i < total_nodes; i++, nid++) {
0ba21762
TI		 461 unsigned int func;
462 func = snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE);
463 switch (func & 0xff) {
673b683a
SK		 464 case AC_GRP_AUDIO_FUNCTION:
465 codec->afg = nid;
466 break;
467 case AC_GRP_MODEM_FUNCTION:
468 codec->mfg = nid;
469 break;
470 default:
471 break;
472 }
1da177e4 473 }
1da177e4
LT		 474}
475
54d17403
TI		 476/*
477 * read widget caps for each widget and store in cache
478 */
479static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
480{
481 int i;
482 hda_nid_t nid;
483
484 codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node,
485 &codec->start_nid);
486 codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL);
0ba21762 487 if (!codec->wcaps)
54d17403
TI		 488 return -ENOMEM;
489 nid = codec->start_nid;
490 for (i = 0; i < codec->num_nodes; i++, nid++)
491 codec->wcaps[i] = snd_hda_param_read(codec, nid,
492 AC_PAR_AUDIO_WIDGET_CAP);
493 return 0;
494}
495
496
01751f54
TI		 497static void init_hda_cache(struct hda_cache_rec *cache,
498 unsigned int record_size);
499static inline void free_hda_cache(struct hda_cache_rec *cache);
500
1da177e4
LT		 501/*
502 * codec destructor
503 */
504static void snd_hda_codec_free(struct hda_codec *codec)
505{
0ba21762 506 if (!codec)
1da177e4
LT		 507 return;
508 list_del(&codec->list);
509 codec->bus->caddr_tbl[codec->addr] = NULL;
510 if (codec->patch_ops.free)
511 codec->patch_ops.free(codec);
01751f54 512 free_hda_cache(&codec->amp_cache);
b3ac5636 513 free_hda_cache(&codec->cmd_cache);
54d17403 514 kfree(codec->wcaps);
1da177e4
LT		 515 kfree(codec);
516}
517
1da177e4
LT		 518/**
519 * snd_hda_codec_new - create a HDA codec
520 * @bus: the bus to assign
521 * @codec_addr: the codec address
522 * @codecp: the pointer to store the generated codec
523 *
524 * Returns 0 if successful, or a negative error code.
525 */
756e2b01
TI		 526int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
527 struct hda_codec **codecp)
1da177e4
LT		 528{
529 struct hda_codec *codec;
530 char component[13];
531 int err;
532
533 snd_assert(bus, return -EINVAL);
534 snd_assert(codec_addr <= HDA_MAX_CODEC_ADDRESS, return -EINVAL);
535
536 if (bus->caddr_tbl[codec_addr]) {
0ba21762
TI		 537 snd_printk(KERN_ERR "hda_codec: "
538 "address 0x%x is already occupied\n", codec_addr);
1da177e4
LT		 539 return -EBUSY;
540 }
541
e560d8d8 542 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
1da177e4
LT		 543 if (codec == NULL) {
544 snd_printk(KERN_ERR "can't allocate struct hda_codec\n");
545 return -ENOMEM;
546 }
547
548 codec->bus = bus;
549 codec->addr = codec_addr;
62932df8 550 mutex_init(&codec->spdif_mutex);
01751f54 551 init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
b3ac5636 552 init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
1da177e4
LT		 553
554 list_add_tail(&codec->list, &bus->codec_list);
555 bus->caddr_tbl[codec_addr] = codec;
556
0ba21762
TI		 557 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
558 AC_PAR_VENDOR_ID);
111d3af5
TI		 559 if (codec->vendor_id == -1)
560 /* read again, hopefully the access method was corrected
561 * in the last read...
562 */
563 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
564 AC_PAR_VENDOR_ID);
0ba21762
TI		 565 codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT,
566 AC_PAR_SUBSYSTEM_ID);
567 codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT,
568 AC_PAR_REV_ID);
1da177e4 569
673b683a 570 setup_fg_nodes(codec);
0ba21762 571 if (!codec->afg && !codec->mfg) {
673b683a 572 snd_printdd("hda_codec: no AFG or MFG node found\n");
1da177e4
LT		 573 snd_hda_codec_free(codec);
574 return -ENODEV;
575 }
576
54d17403
TI		 577 if (read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg) < 0) {
578 snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
579 snd_hda_codec_free(codec);
580 return -ENOMEM;
581 }
582
0ba21762 583 if (!codec->subsystem_id) {
86284e45 584 hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
0ba21762
TI		 585 codec->subsystem_id =
586 snd_hda_codec_read(codec, nid, 0,
587 AC_VERB_GET_SUBSYSTEM_ID, 0);
86284e45
TI		 588 }
589
d5ad630b 590 codec->preset = find_codec_preset(codec);
43ea1d47
TI		 591 /* audio codec should override the mixer name */
592 if (codec->afg || !*bus->card->mixername)
1da177e4
LT		 593 snd_hda_get_codec_name(codec, bus->card->mixername,
594 sizeof(bus->card->mixername));
595
82467611
TI		 596#ifdef CONFIG_SND_HDA_GENERIC
597 if (is_generic_config(codec)) {
1da177e4 598 err = snd_hda_parse_generic_codec(codec);
82467611
TI		 599 goto patched;
600 }
601#endif
602 if (codec->preset && codec->preset->patch) {
603 err = codec->preset->patch(codec);
604 goto patched;
605 }
606
607 /* call the default parser */
608#ifdef CONFIG_SND_HDA_GENERIC
609 err = snd_hda_parse_generic_codec(codec);
610#else
611 printk(KERN_ERR "hda-codec: No codec parser is available\n");
612 err = -ENODEV;
613#endif
614
615 patched:
1da177e4
LT		 616 if (err < 0) {
617 snd_hda_codec_free(codec);
618 return err;
619 }
620
9f146bb6
TI		 621 if (codec->patch_ops.unsol_event)
622 init_unsol_queue(bus);
623
1da177e4 624 snd_hda_codec_proc_new(codec);
2807314d
TI		 625#ifdef CONFIG_SND_HDA_HWDEP
626 snd_hda_create_hwdep(codec);
627#endif
1da177e4
LT		 628
629 sprintf(component, "HDA:%08x", codec->vendor_id);
630 snd_component_add(codec->bus->card, component);
631
632 if (codecp)
633 *codecp = codec;
634 return 0;
635}
636
637/**
638 * snd_hda_codec_setup_stream - set up the codec for streaming
639 * @codec: the CODEC to set up
640 * @nid: the NID to set up
641 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
642 * @channel_id: channel id to pass, zero based.
643 * @format: stream format.
644 */
0ba21762
TI		 645void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
646 u32 stream_tag,
1da177e4
LT		 647 int channel_id, int format)
648{
0ba21762 649 if (!nid)
d21b37ea
TI		 650 return;
651
0ba21762
TI		 652 snd_printdd("hda_codec_setup_stream: "
653 "NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
1da177e4
LT		 654 nid, stream_tag, channel_id, format);
655 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID,
656 (stream_tag << 4) | channel_id);
657 msleep(1);
658 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
659}
660
1da177e4
LT		 661/*
662 * amp access functions
663 */
664
4a19faee
TI		 665/* FIXME: more better hash key? */
666#define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
1da177e4 667#define INFO_AMP_CAPS (1<<0)
4a19faee 668#define INFO_AMP_VOL(ch) (1 << (1 + (ch)))
1da177e4
LT		 669
670/* initialize the hash table */
01751f54
TI		 671static void __devinit init_hda_cache(struct hda_cache_rec *cache,
672 unsigned int record_size)
673{
674 memset(cache, 0, sizeof(*cache));
675 memset(cache->hash, 0xff, sizeof(cache->hash));
676 cache->record_size = record_size;
677}
678
679static inline void free_hda_cache(struct hda_cache_rec *cache)
1da177e4 680{
01751f54 681 kfree(cache->buffer);
1da177e4
LT		 682}
683
684/* query the hash. allocate an entry if not found. */
01751f54
TI		 685static struct hda_cache_head *get_alloc_hash(struct hda_cache_rec *cache,
686 u32 key)
1da177e4 687{
01751f54
TI		 688 u16 idx = key % (u16)ARRAY_SIZE(cache->hash);
689 u16 cur = cache->hash[idx];
690 struct hda_cache_head *info;
1da177e4
LT		 691
692 while (cur != 0xffff) {
01751f54
TI		 693 info = (struct hda_cache_head *)(cache->buffer +
694 cur * cache->record_size);
1da177e4
LT		 695 if (info->key == key)
696 return info;
697 cur = info->next;
698 }
699
700 /* add a new hash entry */
01751f54 701 if (cache->num_entries >= cache->size) {
d031166f 702 /* reallocate the array */
01751f54
TI		 703 unsigned int new_size = cache->size + 64;
704 void *new_buffer;
705 new_buffer = kcalloc(new_size, cache->record_size, GFP_KERNEL);
706 if (!new_buffer) {
0ba21762
TI		 707 snd_printk(KERN_ERR "hda_codec: "
708 "can't malloc amp_info\n");
d031166f
TI		 709 return NULL;
710 }
01751f54
TI		 711 if (cache->buffer) {
712 memcpy(new_buffer, cache->buffer,
713 cache->size * cache->record_size);
714 kfree(cache->buffer);
d031166f 715 }
01751f54
TI		 716 cache->size = new_size;
717 cache->buffer = new_buffer;
1da177e4 718 }
01751f54
TI		 719 cur = cache->num_entries++;
720 info = (struct hda_cache_head *)(cache->buffer +
721 cur * cache->record_size);
1da177e4 722 info->key = key;
01751f54
TI		 723 info->val = 0;
724 info->next = cache->hash[idx];
725 cache->hash[idx] = cur;
1da177e4
LT		 726
727 return info;
728}
729
01751f54
TI		 730/* query and allocate an amp hash entry */
731static inline struct hda_amp_info *
732get_alloc_amp_hash(struct hda_codec *codec, u32 key)
733{
734 return (struct hda_amp_info *)get_alloc_hash(&codec->amp_cache, key);
735}
736
1da177e4
LT		 737/*
738 * query AMP capabilities for the given widget and direction
739 */
740static u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
741{
0ba21762 742 struct hda_amp_info *info;
1da177e4 743
0ba21762
TI		 744 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0));
745 if (!info)
1da177e4 746 return 0;
01751f54 747 if (!(info->head.val & INFO_AMP_CAPS)) {
0ba21762 748 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
1da177e4 749 nid = codec->afg;
0ba21762
TI		 750 info->amp_caps = snd_hda_param_read(codec, nid,
751 direction == HDA_OUTPUT ?
752 AC_PAR_AMP_OUT_CAP :
753 AC_PAR_AMP_IN_CAP);
b75e53f0 754 if (info->amp_caps)
01751f54 755 info->head.val |= INFO_AMP_CAPS;
1da177e4
LT		 756 }
757 return info->amp_caps;
758}
759
897cc188
TI		 760int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
761 unsigned int caps)
762{
763 struct hda_amp_info *info;
764
765 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, dir, 0));
766 if (!info)
767 return -EINVAL;
768 info->amp_caps = caps;
01751f54 769 info->head.val |= INFO_AMP_CAPS;
897cc188
TI		 770 return 0;
771}
772
1da177e4
LT		 773/*
774 * read the current volume to info
4a19faee 775 * if the cache exists, read the cache value.
1da177e4 776 */
0ba21762
TI		 777static unsigned int get_vol_mute(struct hda_codec *codec,
778 struct hda_amp_info *info, hda_nid_t nid,
779 int ch, int direction, int index)
1da177e4
LT		 780{
781 u32 val, parm;
782
01751f54 783 if (info->head.val & INFO_AMP_VOL(ch))
4a19faee 784 return info->vol[ch];
1da177e4
LT		 785
786 parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
787 parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
788 parm |= index;
0ba21762
TI		 789 val = snd_hda_codec_read(codec, nid, 0,
790 AC_VERB_GET_AMP_GAIN_MUTE, parm);
1da177e4 791 info->vol[ch] = val & 0xff;
01751f54 792 info->head.val |= INFO_AMP_VOL(ch);
4a19faee 793 return info->vol[ch];
1da177e4
LT		 794}
795
796/*
4a19faee 797 * write the current volume in info to the h/w and update the cache
1da177e4 798 */
4a19faee 799static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
0ba21762
TI		 800 hda_nid_t nid, int ch, int direction, int index,
801 int val)
1da177e4
LT		 802{
803 u32 parm;
804
805 parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
806 parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
807 parm |= index << AC_AMP_SET_INDEX_SHIFT;
808 parm |= val;
809 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
4a19faee 810 info->vol[ch] = val;
1da177e4
LT		 811}
812
813/*
4a19faee 814 * read AMP value. The volume is between 0 to 0x7f, 0x80 = mute bit.
1da177e4 815 */
834be88d
TI		 816int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
817 int direction, int index)
1da177e4 818{
0ba21762
TI		 819 struct hda_amp_info *info;
820 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
821 if (!info)
1da177e4 822 return 0;
4a19faee 823 return get_vol_mute(codec, info, nid, ch, direction, index);
1da177e4
LT		 824}
825
4a19faee
TI		 826/*
827 * update the AMP value, mask = bit mask to set, val = the value
828 */
834be88d
TI		 829int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
830 int direction, int idx, int mask, int val)
1da177e4 831{
0ba21762 832 struct hda_amp_info *info;
4a19faee 833
0ba21762
TI		 834 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx));
835 if (!info)
1da177e4 836 return 0;
4a19faee
TI		 837 val &= mask;
838 val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask;
82beb8fd 839 if (info->vol[ch] == val)
1da177e4 840 return 0;
4a19faee 841 put_vol_mute(codec, info, nid, ch, direction, idx, val);
1da177e4
LT		 842 return 1;
843}
844
82beb8fd 845#ifdef CONFIG_PM
b3ac5636
TI		 846/* resume the all amp commands from the cache */
847void snd_hda_codec_resume_amp(struct hda_codec *codec)
848{
849 struct hda_amp_info *buffer = codec->amp_cache.buffer;
850 int i;
851
852 for (i = 0; i < codec->amp_cache.size; i++, buffer++) {
853 u32 key = buffer->head.key;
854 hda_nid_t nid;
855 unsigned int idx, dir, ch;
856 if (!key)
857 continue;
858 nid = key & 0xff;
859 idx = (key >> 16) & 0xff;
860 dir = (key >> 24) & 0xff;
861 for (ch = 0; ch < 2; ch++) {
862 if (!(buffer->head.val & INFO_AMP_VOL(ch)))
863 continue;
864 put_vol_mute(codec, buffer, nid, ch, dir, idx,
865 buffer->vol[ch]);
866 }
867 }
868}
82beb8fd 869#endif /* CONFIG_PM */
1da177e4
LT		 870
871/*
872 * AMP control callbacks
873 */
874/* retrieve parameters from private_value */
875#define get_amp_nid(kc) ((kc)->private_value & 0xffff)
876#define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3)
877#define get_amp_direction(kc) (((kc)->private_value >> 18) & 0x1)
878#define get_amp_index(kc) (((kc)->private_value >> 19) & 0xf)
879
880/* volume */
0ba21762
TI		 881int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
882 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 883{
884 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
885 u16 nid = get_amp_nid(kcontrol);
886 u8 chs = get_amp_channels(kcontrol);
887 int dir = get_amp_direction(kcontrol);
888 u32 caps;
889
890 caps = query_amp_caps(codec, nid, dir);
0ba21762
TI		 891 /* num steps */
892 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
893 if (!caps) {
894 printk(KERN_WARNING "hda_codec: "
895 "num_steps = 0 for NID=0x%x\n", nid);
1da177e4
LT		 896 return -EINVAL;
897 }
898 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
899 uinfo->count = chs == 3 ? 2 : 1;
900 uinfo->value.integer.min = 0;
901 uinfo->value.integer.max = caps;
902 return 0;
903}
904
0ba21762
TI		 905int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
906 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 907{
908 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
909 hda_nid_t nid = get_amp_nid(kcontrol);
910 int chs = get_amp_channels(kcontrol);
911 int dir = get_amp_direction(kcontrol);
912 int idx = get_amp_index(kcontrol);
913 long *valp = ucontrol->value.integer.value;
914
915 if (chs & 1)
916 *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & 0x7f;
917 if (chs & 2)
918 *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & 0x7f;
919 return 0;
920}
921
0ba21762
TI		 922int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
923 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 924{
925 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
926 hda_nid_t nid = get_amp_nid(kcontrol);
927 int chs = get_amp_channels(kcontrol);
928 int dir = get_amp_direction(kcontrol);
929 int idx = get_amp_index(kcontrol);
1da177e4
LT		 930 long *valp = ucontrol->value.integer.value;
931 int change = 0;
932
b9f5a89c 933 if (chs & 1) {
4a19faee
TI		 934 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
935 0x7f, *valp);
b9f5a89c
NG		 936 valp++;
937 }
4a19faee
TI		 938 if (chs & 2)
939 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
b9f5a89c 940 0x7f, *valp);
1da177e4
LT		 941 return change;
942}
943
302e9c5a
JK		 944int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
945 unsigned int size, unsigned int __user *_tlv)
946{
947 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
948 hda_nid_t nid = get_amp_nid(kcontrol);
949 int dir = get_amp_direction(kcontrol);
950 u32 caps, val1, val2;
951
952 if (size < 4 * sizeof(unsigned int))
953 return -ENOMEM;
954 caps = query_amp_caps(codec, nid, dir);
0ba21762
TI		 955 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
956 val2 = (val2 + 1) * 25;
302e9c5a
JK		 957 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
958 val1 = ((int)val1) * ((int)val2);
302e9c5a
JK		 959 if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
960 return -EFAULT;
961 if (put_user(2 * sizeof(unsigned int), _tlv + 1))
962 return -EFAULT;
963 if (put_user(val1, _tlv + 2))
964 return -EFAULT;
965 if (put_user(val2, _tlv + 3))
966 return -EFAULT;
967 return 0;
968}
969
1da177e4 970/* switch */
0ba21762
TI		 971int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
972 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 973{
974 int chs = get_amp_channels(kcontrol);
975
976 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
977 uinfo->count = chs == 3 ? 2 : 1;
978 uinfo->value.integer.min = 0;
979 uinfo->value.integer.max = 1;
980 return 0;
981}
982
0ba21762
TI		 983int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
984 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 985{
986 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
987 hda_nid_t nid = get_amp_nid(kcontrol);
988 int chs = get_amp_channels(kcontrol);
989 int dir = get_amp_direction(kcontrol);
990 int idx = get_amp_index(kcontrol);
991 long *valp = ucontrol->value.integer.value;
992
993 if (chs & 1)
0ba21762
TI		 994 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
995 0x80) ? 0 : 1;
1da177e4 996 if (chs & 2)
0ba21762
TI		 997 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
998 0x80) ? 0 : 1;
1da177e4
LT		 999 return 0;
1000}
1001
0ba21762
TI		 1002int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
1003 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1004{
1005 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1006 hda_nid_t nid = get_amp_nid(kcontrol);
1007 int chs = get_amp_channels(kcontrol);
1008 int dir = get_amp_direction(kcontrol);
1009 int idx = get_amp_index(kcontrol);
1da177e4
LT		 1010 long *valp = ucontrol->value.integer.value;
1011 int change = 0;
1012
b9f5a89c 1013 if (chs & 1) {
4a19faee
TI		 1014 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
1015 0x80, *valp ? 0 : 0x80);
b9f5a89c
NG		 1016 valp++;
1017 }
4a19faee
TI		 1018 if (chs & 2)
1019 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
b9f5a89c
NG		 1020 0x80, *valp ? 0 : 0x80);
1021
1da177e4
LT		 1022 return change;
1023}
1024
985be54b
TI		 1025/*
1026 * bound volume controls
1027 *
1028 * bind multiple volumes (# indices, from 0)
1029 */
1030
1031#define AMP_VAL_IDX_SHIFT 19
1032#define AMP_VAL_IDX_MASK (0x0f<<19)
1033
0ba21762
TI		 1034int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
1035 struct snd_ctl_elem_value *ucontrol)
985be54b
TI		 1036{
1037 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1038 unsigned long pval;
1039 int err;
1040
62932df8 1041 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
985be54b
TI		 1042 pval = kcontrol->private_value;
1043 kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
1044 err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
1045 kcontrol->private_value = pval;
62932df8 1046 mutex_unlock(&codec->spdif_mutex);
985be54b
TI		 1047 return err;
1048}
1049
0ba21762
TI		 1050int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
1051 struct snd_ctl_elem_value *ucontrol)
985be54b
TI		 1052{
1053 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1054 unsigned long pval;
1055 int i, indices, err = 0, change = 0;
1056
62932df8 1057 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
985be54b
TI		 1058 pval = kcontrol->private_value;
1059 indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
1060 for (i = 0; i < indices; i++) {
0ba21762
TI		 1061 kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) |
1062 (i << AMP_VAL_IDX_SHIFT);
985be54b
TI		 1063 err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
1064 if (err < 0)
1065 break;
1066 change |= err;
1067 }
1068 kcontrol->private_value = pval;
62932df8 1069 mutex_unlock(&codec->spdif_mutex);
985be54b
TI		 1070 return err < 0 ? err : change;
1071}
1072
532d5381
TI		 1073/*
1074 * generic bound volume/swtich controls
1075 */
1076int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
1077 struct snd_ctl_elem_info *uinfo)
1078{
1079 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1080 struct hda_bind_ctls *c;
1081 int err;
1082
1083 c = (struct hda_bind_ctls *)kcontrol->private_value;
1084 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1085 kcontrol->private_value = *c->values;
1086 err = c->ops->info(kcontrol, uinfo);
1087 kcontrol->private_value = (long)c;
1088 mutex_unlock(&codec->spdif_mutex);
1089 return err;
1090}
1091
1092int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
1093 struct snd_ctl_elem_value *ucontrol)
1094{
1095 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1096 struct hda_bind_ctls *c;
1097 int err;
1098
1099 c = (struct hda_bind_ctls *)kcontrol->private_value;
1100 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1101 kcontrol->private_value = *c->values;
1102 err = c->ops->get(kcontrol, ucontrol);
1103 kcontrol->private_value = (long)c;
1104 mutex_unlock(&codec->spdif_mutex);
1105 return err;
1106}
1107
1108int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
1109 struct snd_ctl_elem_value *ucontrol)
1110{
1111 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1112 struct hda_bind_ctls *c;
1113 unsigned long *vals;
1114 int err = 0, change = 0;
1115
1116 c = (struct hda_bind_ctls *)kcontrol->private_value;
1117 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1118 for (vals = c->values; *vals; vals++) {
1119 kcontrol->private_value = *vals;
1120 err = c->ops->put(kcontrol, ucontrol);
1121 if (err < 0)
1122 break;
1123 change |= err;
1124 }
1125 kcontrol->private_value = (long)c;
1126 mutex_unlock(&codec->spdif_mutex);
1127 return err < 0 ? err : change;
1128}
1129
1130int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1131 unsigned int size, unsigned int __user *tlv)
1132{
1133 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1134 struct hda_bind_ctls *c;
1135 int err;
1136
1137 c = (struct hda_bind_ctls *)kcontrol->private_value;
1138 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1139 kcontrol->private_value = *c->values;
1140 err = c->ops->tlv(kcontrol, op_flag, size, tlv);
1141 kcontrol->private_value = (long)c;
1142 mutex_unlock(&codec->spdif_mutex);
1143 return err;
1144}
1145
1146struct hda_ctl_ops snd_hda_bind_vol = {
1147 .info = snd_hda_mixer_amp_volume_info,
1148 .get = snd_hda_mixer_amp_volume_get,
1149 .put = snd_hda_mixer_amp_volume_put,
1150 .tlv = snd_hda_mixer_amp_tlv
1151};
1152
1153struct hda_ctl_ops snd_hda_bind_sw = {
1154 .info = snd_hda_mixer_amp_switch_info,
1155 .get = snd_hda_mixer_amp_switch_get,
1156 .put = snd_hda_mixer_amp_switch_put,
1157 .tlv = snd_hda_mixer_amp_tlv
1158};
1159
1da177e4
LT		 1160/*
1161 * SPDIF out controls
1162 */
1163
0ba21762
TI		 1164static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
1165 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 1166{
1167 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1168 uinfo->count = 1;
1169 return 0;
1170}
1171
0ba21762
TI		 1172static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
1173 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1174{
1175 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1176 IEC958_AES0_NONAUDIO |
1177 IEC958_AES0_CON_EMPHASIS_5015 |
1178 IEC958_AES0_CON_NOT_COPYRIGHT;
1179 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
1180 IEC958_AES1_CON_ORIGINAL;
1181 return 0;
1182}
1183
0ba21762
TI		 1184static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
1185 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1186{
1187 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1188 IEC958_AES0_NONAUDIO |
1189 IEC958_AES0_PRO_EMPHASIS_5015;
1190 return 0;
1191}
1192
0ba21762
TI		 1193static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
1194 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1195{
1196 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1197
1198 ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff;
1199 ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff;
1200 ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff;
1201 ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff;
1202
1203 return 0;
1204}
1205
1206/* convert from SPDIF status bits to HDA SPDIF bits
1207 * bit 0 (DigEn) is always set zero (to be filled later)
1208 */
1209static unsigned short convert_from_spdif_status(unsigned int sbits)
1210{
1211 unsigned short val = 0;
1212
1213 if (sbits & IEC958_AES0_PROFESSIONAL)
0ba21762 1214 val |= AC_DIG1_PROFESSIONAL;
1da177e4 1215 if (sbits & IEC958_AES0_NONAUDIO)
0ba21762 1216 val |= AC_DIG1_NONAUDIO;
1da177e4 1217 if (sbits & IEC958_AES0_PROFESSIONAL) {
0ba21762
TI		 1218 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
1219 IEC958_AES0_PRO_EMPHASIS_5015)
1220 val |= AC_DIG1_EMPHASIS;
1da177e4 1221 } else {
0ba21762
TI		 1222 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
1223 IEC958_AES0_CON_EMPHASIS_5015)
1224 val |= AC_DIG1_EMPHASIS;
1225 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
1226 val |= AC_DIG1_COPYRIGHT;
1da177e4 1227 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
0ba21762 1228 val |= AC_DIG1_LEVEL;
1da177e4
LT		 1229 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
1230 }
1231 return val;
1232}
1233
1234/* convert to SPDIF status bits from HDA SPDIF bits
1235 */
1236static unsigned int convert_to_spdif_status(unsigned short val)
1237{
1238 unsigned int sbits = 0;
1239
0ba21762 1240 if (val & AC_DIG1_NONAUDIO)
1da177e4 1241 sbits |= IEC958_AES0_NONAUDIO;
0ba21762 1242 if (val & AC_DIG1_PROFESSIONAL)
1da177e4
LT		 1243 sbits |= IEC958_AES0_PROFESSIONAL;
1244 if (sbits & IEC958_AES0_PROFESSIONAL) {
0ba21762 1245 if (sbits & AC_DIG1_EMPHASIS)
1da177e4
LT		 1246 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
1247 } else {
0ba21762 1248 if (val & AC_DIG1_EMPHASIS)
1da177e4 1249 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
0ba21762 1250 if (!(val & AC_DIG1_COPYRIGHT))
1da177e4 1251 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
0ba21762 1252 if (val & AC_DIG1_LEVEL)
1da177e4
LT		 1253 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
1254 sbits |= val & (0x7f << 8);
1255 }
1256 return sbits;
1257}
1258
0ba21762
TI		 1259static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
1260 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1261{
1262 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1263 hda_nid_t nid = kcontrol->private_value;
1264 unsigned short val;
1265 int change;
1266
62932df8 1267 mutex_lock(&codec->spdif_mutex);
1da177e4
LT		 1268 codec->spdif_status = ucontrol->value.iec958.status[0] |
1269 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
1270 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
1271 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
1272 val = convert_from_spdif_status(codec->spdif_status);
1273 val |= codec->spdif_ctls & 1;
1274 change = codec->spdif_ctls != val;
1275 codec->spdif_ctls = val;
1276
82beb8fd
TI		 1277 if (change) {
1278 snd_hda_codec_write_cache(codec, nid, 0,
1279 AC_VERB_SET_DIGI_CONVERT_1,
1280 val & 0xff);
1281 snd_hda_codec_write_cache(codec, nid, 0,
1282 AC_VERB_SET_DIGI_CONVERT_2,
1283 val >> 8);
1da177e4
LT		 1284 }
1285
62932df8 1286 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1287 return change;
1288}
1289
a5ce8890 1290#define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
1da177e4 1291
0ba21762
TI		 1292static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
1293 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1294{
1295 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1296
0ba21762 1297 ucontrol->value.integer.value[0] = codec->spdif_ctls & AC_DIG1_ENABLE;
1da177e4
LT		 1298 return 0;
1299}
1300
0ba21762
TI		 1301static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
1302 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1303{
1304 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1305 hda_nid_t nid = kcontrol->private_value;
1306 unsigned short val;
1307 int change;
1308
62932df8 1309 mutex_lock(&codec->spdif_mutex);
0ba21762 1310 val = codec->spdif_ctls & ~AC_DIG1_ENABLE;
1da177e4 1311 if (ucontrol->value.integer.value[0])
0ba21762 1312 val |= AC_DIG1_ENABLE;
1da177e4 1313 change = codec->spdif_ctls != val;
82beb8fd 1314 if (change) {
1da177e4 1315 codec->spdif_ctls = val;
82beb8fd
TI		 1316 snd_hda_codec_write_cache(codec, nid, 0,
1317 AC_VERB_SET_DIGI_CONVERT_1,
1318 val & 0xff);
0ba21762
TI		 1319 /* unmute amp switch (if any) */
1320 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
82beb8fd
TI		 1321 (val & AC_DIG1_ENABLE)) {
1322 snd_hda_codec_amp_update(codec, nid, 0, HDA_OUTPUT, 0,
1323 0x80, 0x00);
1324 snd_hda_codec_amp_update(codec, nid, 1, HDA_OUTPUT, 0,
1325 0x80, 0x00);
1326 }
1da177e4 1327 }
62932df8 1328 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1329 return change;
1330}
1331
c8b6bf9b 1332static struct snd_kcontrol_new dig_mixes[] = {
1da177e4
LT		 1333 {
1334 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1335 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1336 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1337 .info = snd_hda_spdif_mask_info,
1338 .get = snd_hda_spdif_cmask_get,
1339 },
1340 {
1341 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1342 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1343 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1344 .info = snd_hda_spdif_mask_info,
1345 .get = snd_hda_spdif_pmask_get,
1346 },
1347 {
1348 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1349 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1350 .info = snd_hda_spdif_mask_info,
1351 .get = snd_hda_spdif_default_get,
1352 .put = snd_hda_spdif_default_put,
1353 },
1354 {
1355 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1356 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1357 .info = snd_hda_spdif_out_switch_info,
1358 .get = snd_hda_spdif_out_switch_get,
1359 .put = snd_hda_spdif_out_switch_put,
1360 },
1361 { } /* end */
1362};
1363
1364/**
1365 * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1366 * @codec: the HDA codec
1367 * @nid: audio out widget NID
1368 *
1369 * Creates controls related with the SPDIF output.
1370 * Called from each patch supporting the SPDIF out.
1371 *
1372 * Returns 0 if successful, or a negative error code.
1373 */
12f288bf 1374int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid)
1da177e4
LT		 1375{
1376 int err;
c8b6bf9b
TI		 1377 struct snd_kcontrol *kctl;
1378 struct snd_kcontrol_new *dig_mix;
1da177e4
LT		 1379
1380 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
1381 kctl = snd_ctl_new1(dig_mix, codec);
1382 kctl->private_value = nid;
0ba21762
TI		 1383 err = snd_ctl_add(codec->bus->card, kctl);
1384 if (err < 0)
1da177e4
LT		 1385 return err;
1386 }
0ba21762
TI		 1387 codec->spdif_ctls =
1388 snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0);
1da177e4
LT		 1389 codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
1390 return 0;
1391}
1392
1393/*
1394 * SPDIF input
1395 */
1396
1397#define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
1398
0ba21762
TI		 1399static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
1400 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1401{
1402 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1403
1404 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
1405 return 0;
1406}
1407
0ba21762
TI		 1408static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
1409 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1410{
1411 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1412 hda_nid_t nid = kcontrol->private_value;
1413 unsigned int val = !!ucontrol->value.integer.value[0];
1414 int change;
1415
62932df8 1416 mutex_lock(&codec->spdif_mutex);
1da177e4 1417 change = codec->spdif_in_enable != val;
82beb8fd 1418 if (change) {
1da177e4 1419 codec->spdif_in_enable = val;
82beb8fd
TI		 1420 snd_hda_codec_write_cache(codec, nid, 0,
1421 AC_VERB_SET_DIGI_CONVERT_1, val);
1da177e4 1422 }
62932df8 1423 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1424 return change;
1425}
1426
0ba21762
TI		 1427static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
1428 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1429{
1430 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1431 hda_nid_t nid = kcontrol->private_value;
1432 unsigned short val;
1433 unsigned int sbits;
1434
1435 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0);
1436 sbits = convert_to_spdif_status(val);
1437 ucontrol->value.iec958.status[0] = sbits;
1438 ucontrol->value.iec958.status[1] = sbits >> 8;
1439 ucontrol->value.iec958.status[2] = sbits >> 16;
1440 ucontrol->value.iec958.status[3] = sbits >> 24;
1441 return 0;
1442}
1443
c8b6bf9b 1444static struct snd_kcontrol_new dig_in_ctls[] = {
1da177e4
LT		 1445 {
1446 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1447 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
1448 .info = snd_hda_spdif_in_switch_info,
1449 .get = snd_hda_spdif_in_switch_get,
1450 .put = snd_hda_spdif_in_switch_put,
1451 },
1452 {
1453 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1454 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1455 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1456 .info = snd_hda_spdif_mask_info,
1457 .get = snd_hda_spdif_in_status_get,
1458 },
1459 { } /* end */
1460};
1461
1462/**
1463 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1464 * @codec: the HDA codec
1465 * @nid: audio in widget NID
1466 *
1467 * Creates controls related with the SPDIF input.
1468 * Called from each patch supporting the SPDIF in.
1469 *
1470 * Returns 0 if successful, or a negative error code.
1471 */
12f288bf 1472int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
1da177e4
LT		 1473{
1474 int err;
c8b6bf9b
TI		 1475 struct snd_kcontrol *kctl;
1476 struct snd_kcontrol_new *dig_mix;
1da177e4
LT		 1477
1478 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
1479 kctl = snd_ctl_new1(dig_mix, codec);
1480 kctl->private_value = nid;
0ba21762
TI		 1481 err = snd_ctl_add(codec->bus->card, kctl);
1482 if (err < 0)
1da177e4
LT		 1483 return err;
1484 }
0ba21762
TI		 1485 codec->spdif_in_enable =
1486 snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0) &
1487 AC_DIG1_ENABLE;
1da177e4
LT		 1488 return 0;
1489}
1490
82beb8fd
TI		 1491#ifdef CONFIG_PM
1492/*
1493 * command cache
1494 */
1da177e4 1495
b3ac5636
TI		 1496/* build a 32bit cache key with the widget id and the command parameter */
1497#define build_cmd_cache_key(nid, verb) ((verb << 8) | nid)
1498#define get_cmd_cache_nid(key) ((key) & 0xff)
1499#define get_cmd_cache_cmd(key) (((key) >> 8) & 0xffff)
1500
1501/**
1502 * snd_hda_codec_write_cache - send a single command with caching
1503 * @codec: the HDA codec
1504 * @nid: NID to send the command
1505 * @direct: direct flag
1506 * @verb: the verb to send
1507 * @parm: the parameter for the verb
1508 *
1509 * Send a single command without waiting for response.
1510 *
1511 * Returns 0 if successful, or a negative error code.
1512 */
1513int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
1514 int direct, unsigned int verb, unsigned int parm)
1515{
1516 int err;
1517 mutex_lock(&codec->bus->cmd_mutex);
1518 err = codec->bus->ops.command(codec, nid, direct, verb, parm);
1519 if (!err) {
1520 struct hda_cache_head *c;
1521 u32 key = build_cmd_cache_key(nid, verb);
1522 c = get_alloc_hash(&codec->cmd_cache, key);
1523 if (c)
1524 c->val = parm;
1525 }
1526 mutex_unlock(&codec->bus->cmd_mutex);
1527 return err;
1528}
1529
1530/* resume the all commands from the cache */
1531void snd_hda_codec_resume_cache(struct hda_codec *codec)
1532{
1533 struct hda_cache_head *buffer = codec->cmd_cache.buffer;
1534 int i;
1535
1536 for (i = 0; i < codec->cmd_cache.size; i++, buffer++) {
1537 u32 key = buffer->key;
1538 if (!key)
1539 continue;
1540 snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0,
1541 get_cmd_cache_cmd(key), buffer->val);
1542 }
1543}
1544
1545/**
1546 * snd_hda_sequence_write_cache - sequence writes with caching
1547 * @codec: the HDA codec
1548 * @seq: VERB array to send
1549 *
1550 * Send the commands sequentially from the given array.
1551 * Thte commands are recorded on cache for power-save and resume.
1552 * The array must be terminated with NID=0.
1553 */
1554void snd_hda_sequence_write_cache(struct hda_codec *codec,
1555 const struct hda_verb *seq)
1556{
1557 for (; seq->nid; seq++)
1558 snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb,
1559 seq->param);
1560}
82beb8fd 1561#endif /* CONFIG_PM */
b3ac5636 1562
54d17403
TI		 1563/*
1564 * set power state of the codec
1565 */
1566static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
1567 unsigned int power_state)
1568{
1569 hda_nid_t nid, nid_start;
1570 int nodes;
1571
1572 snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE,
1573 power_state);
1574
1575 nodes = snd_hda_get_sub_nodes(codec, fg, &nid_start);
1576 for (nid = nid_start; nid < nodes + nid_start; nid++) {
1577 if (get_wcaps(codec, nid) & AC_WCAP_POWER)
1578 snd_hda_codec_write(codec, nid, 0,
1579 AC_VERB_SET_POWER_STATE,
1580 power_state);
1581 }
1582
1583 if (power_state == AC_PWRST_D0)
1584 msleep(10);
1585}
1586
1587
1da177e4
LT		 1588/**
1589 * snd_hda_build_controls - build mixer controls
1590 * @bus: the BUS
1591 *
1592 * Creates mixer controls for each codec included in the bus.
1593 *
1594 * Returns 0 if successful, otherwise a negative error code.
1595 */
756e2b01 1596int __devinit snd_hda_build_controls(struct hda_bus *bus)
1da177e4 1597{
0ba21762 1598 struct hda_codec *codec;
1da177e4
LT		 1599
1600 /* build controls */
0ba21762 1601 list_for_each_entry(codec, &bus->codec_list, list) {
1da177e4 1602 int err;
0ba21762 1603 if (!codec->patch_ops.build_controls)
1da177e4
LT		 1604 continue;
1605 err = codec->patch_ops.build_controls(codec);
1606 if (err < 0)
1607 return err;
1608 }
1609
1610 /* initialize */
0ba21762 1611 list_for_each_entry(codec, &bus->codec_list, list) {
1da177e4 1612 int err;
54d17403
TI		 1613 hda_set_power_state(codec,
1614 codec->afg ? codec->afg : codec->mfg,
1615 AC_PWRST_D0);
0ba21762 1616 if (!codec->patch_ops.init)
1da177e4
LT		 1617 continue;
1618 err = codec->patch_ops.init(codec);
1619 if (err < 0)
1620 return err;
1621 }
1622 return 0;
1623}
1624
1da177e4
LT		 1625/*
1626 * stream formats
1627 */
befdf316
TI		 1628struct hda_rate_tbl {
1629 unsigned int hz;
1630 unsigned int alsa_bits;
1631 unsigned int hda_fmt;
1632};
1633
1634static struct hda_rate_tbl rate_bits[] = {
1da177e4 1635 /* rate in Hz, ALSA rate bitmask, HDA format value */
9d8f53f2
NG		 1636
1637 /* autodetected value used in snd_hda_query_supported_pcm */
1da177e4
LT		 1638 { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
1639 { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
1640 { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
1641 { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
1642 { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
1643 { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
1644 { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
1645 { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
1646 { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
1647 { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
1648 { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
a961f9fe
TI		 1649#define AC_PAR_PCM_RATE_BITS 11
1650 /* up to bits 10, 384kHZ isn't supported properly */
1651
1652 /* not autodetected value */
1653 { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
9d8f53f2 1654
befdf316 1655 { 0 } /* terminator */
1da177e4
LT		 1656};
1657
1658/**
1659 * snd_hda_calc_stream_format - calculate format bitset
1660 * @rate: the sample rate
1661 * @channels: the number of channels
1662 * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
1663 * @maxbps: the max. bps
1664 *
1665 * Calculate the format bitset from the given rate, channels and th PCM format.
1666 *
1667 * Return zero if invalid.
1668 */
1669unsigned int snd_hda_calc_stream_format(unsigned int rate,
1670 unsigned int channels,
1671 unsigned int format,
1672 unsigned int maxbps)
1673{
1674 int i;
1675 unsigned int val = 0;
1676
befdf316
TI		 1677 for (i = 0; rate_bits[i].hz; i++)
1678 if (rate_bits[i].hz == rate) {
1679 val = rate_bits[i].hda_fmt;
1da177e4
LT		 1680 break;
1681 }
0ba21762 1682 if (!rate_bits[i].hz) {
1da177e4
LT		 1683 snd_printdd("invalid rate %d\n", rate);
1684 return 0;
1685 }
1686
1687 if (channels == 0 || channels > 8) {
1688 snd_printdd("invalid channels %d\n", channels);
1689 return 0;
1690 }
1691 val |= channels - 1;
1692
1693 switch (snd_pcm_format_width(format)) {
1694 case 8: val |= 0x00; break;
1695 case 16: val |= 0x10; break;
1696 case 20:
1697 case 24:
1698 case 32:
1699 if (maxbps >= 32)
1700 val |= 0x40;
1701 else if (maxbps >= 24)
1702 val |= 0x30;
1703 else
1704 val |= 0x20;
1705 break;
1706 default:
0ba21762
TI		 1707 snd_printdd("invalid format width %d\n",
1708 snd_pcm_format_width(format));
1da177e4
LT		 1709 return 0;
1710 }
1711
1712 return val;
1713}
1714
1715/**
1716 * snd_hda_query_supported_pcm - query the supported PCM rates and formats
1717 * @codec: the HDA codec
1718 * @nid: NID to query
1719 * @ratesp: the pointer to store the detected rate bitflags
1720 * @formatsp: the pointer to store the detected formats
1721 * @bpsp: the pointer to store the detected format widths
1722 *
1723 * Queries the supported PCM rates and formats. The NULL @ratesp, @formatsp
1724 * or @bsps argument is ignored.
1725 *
1726 * Returns 0 if successful, otherwise a negative error code.
1727 */
1728int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
1729 u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
1730{
1731 int i;
1732 unsigned int val, streams;
1733
1734 val = 0;
1735 if (nid != codec->afg &&
54d17403 1736 (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
1da177e4
LT		 1737 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
1738 if (val == -1)
1739 return -EIO;
1740 }
0ba21762 1741 if (!val)
1da177e4
LT		 1742 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
1743
1744 if (ratesp) {
1745 u32 rates = 0;
a961f9fe 1746 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) {
1da177e4 1747 if (val & (1 << i))
befdf316 1748 rates |= rate_bits[i].alsa_bits;
1da177e4
LT		 1749 }
1750 *ratesp = rates;
1751 }
1752
1753 if (formatsp || bpsp) {
1754 u64 formats = 0;
1755 unsigned int bps;
1756 unsigned int wcaps;
1757
54d17403 1758 wcaps = get_wcaps(codec, nid);
1da177e4
LT		 1759 streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
1760 if (streams == -1)
1761 return -EIO;
0ba21762
TI		 1762 if (!streams) {
1763 streams = snd_hda_param_read(codec, codec->afg,
1764 AC_PAR_STREAM);
1da177e4
LT		 1765 if (streams == -1)
1766 return -EIO;
1767 }
1768
1769 bps = 0;
1770 if (streams & AC_SUPFMT_PCM) {
1771 if (val & AC_SUPPCM_BITS_8) {
1772 formats |= SNDRV_PCM_FMTBIT_U8;
1773 bps = 8;
1774 }
1775 if (val & AC_SUPPCM_BITS_16) {
1776 formats |= SNDRV_PCM_FMTBIT_S16_LE;
1777 bps = 16;
1778 }
1779 if (wcaps & AC_WCAP_DIGITAL) {
1780 if (val & AC_SUPPCM_BITS_32)
1781 formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
1782 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
1783 formats |= SNDRV_PCM_FMTBIT_S32_LE;
1784 if (val & AC_SUPPCM_BITS_24)
1785 bps = 24;
1786 else if (val & AC_SUPPCM_BITS_20)
1787 bps = 20;
0ba21762
TI		 1788 } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|
1789 AC_SUPPCM_BITS_32)) {
1da177e4
LT		 1790 formats |= SNDRV_PCM_FMTBIT_S32_LE;
1791 if (val & AC_SUPPCM_BITS_32)
1792 bps = 32;
1da177e4
LT		 1793 else if (val & AC_SUPPCM_BITS_24)
1794 bps = 24;
33ef7651
NG		 1795 else if (val & AC_SUPPCM_BITS_20)
1796 bps = 20;
1da177e4
LT		 1797 }
1798 }
0ba21762
TI		 1799 else if (streams == AC_SUPFMT_FLOAT32) {
1800 /* should be exclusive */
1da177e4
LT		 1801 formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
1802 bps = 32;
0ba21762
TI		 1803 } else if (streams == AC_SUPFMT_AC3) {
1804 /* should be exclusive */
1da177e4
LT		 1805 /* temporary hack: we have still no proper support
1806 * for the direct AC3 stream...
1807 */
1808 formats |= SNDRV_PCM_FMTBIT_U8;
1809 bps = 8;
1810 }
1811 if (formatsp)
1812 *formatsp = formats;
1813 if (bpsp)
1814 *bpsp = bps;
1815 }
1816
1817 return 0;
1818}
1819
1820/**
0ba21762
TI		 1821 * snd_hda_is_supported_format - check whether the given node supports
1822 * the format val
1da177e4
LT		 1823 *
1824 * Returns 1 if supported, 0 if not.
1825 */
1826int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
1827 unsigned int format)
1828{
1829 int i;
1830 unsigned int val = 0, rate, stream;
1831
1832 if (nid != codec->afg &&
54d17403 1833 (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
1da177e4
LT		 1834 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
1835 if (val == -1)
1836 return 0;
1837 }
0ba21762 1838 if (!val) {
1da177e4
LT		 1839 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
1840 if (val == -1)
1841 return 0;
1842 }
1843
1844 rate = format & 0xff00;
a961f9fe 1845 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)
befdf316 1846 if (rate_bits[i].hda_fmt == rate) {
1da177e4
LT		 1847 if (val & (1 << i))
1848 break;
1849 return 0;
1850 }
a961f9fe 1851 if (i >= AC_PAR_PCM_RATE_BITS)
1da177e4
LT		 1852 return 0;
1853
1854 stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
1855 if (stream == -1)
1856 return 0;
0ba21762 1857 if (!stream && nid != codec->afg)
1da177e4 1858 stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
0ba21762 1859 if (!stream || stream == -1)
1da177e4
LT		 1860 return 0;
1861
1862 if (stream & AC_SUPFMT_PCM) {
1863 switch (format & 0xf0) {
1864 case 0x00:
0ba21762 1865 if (!(val & AC_SUPPCM_BITS_8))
1da177e4
LT		 1866 return 0;
1867 break;
1868 case 0x10:
0ba21762 1869 if (!(val & AC_SUPPCM_BITS_16))
1da177e4
LT		 1870 return 0;
1871 break;
1872 case 0x20:
0ba21762 1873 if (!(val & AC_SUPPCM_BITS_20))
1da177e4
LT		 1874 return 0;
1875 break;
1876 case 0x30:
0ba21762 1877 if (!(val & AC_SUPPCM_BITS_24))
1da177e4
LT		 1878 return 0;
1879 break;
1880 case 0x40:
0ba21762 1881 if (!(val & AC_SUPPCM_BITS_32))
1da177e4
LT		 1882 return 0;
1883 break;
1884 default:
1885 return 0;
1886 }
1887 } else {
1888 /* FIXME: check for float32 and AC3? */
1889 }
1890
1891 return 1;
1892}
1893
1894/*
1895 * PCM stuff
1896 */
1897static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
1898 struct hda_codec *codec,
c8b6bf9b 1899 struct snd_pcm_substream *substream)
1da177e4
LT		 1900{
1901 return 0;
1902}
1903
1904static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
1905 struct hda_codec *codec,
1906 unsigned int stream_tag,
1907 unsigned int format,
c8b6bf9b 1908 struct snd_pcm_substream *substream)
1da177e4
LT		 1909{
1910 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
1911 return 0;
1912}
1913
1914static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
1915 struct hda_codec *codec,
c8b6bf9b 1916 struct snd_pcm_substream *substream)
1da177e4
LT		 1917{
1918 snd_hda_codec_setup_stream(codec, hinfo->nid, 0, 0, 0);
1919 return 0;
1920}
1921
0ba21762
TI		 1922static int __devinit set_pcm_default_values(struct hda_codec *codec,
1923 struct hda_pcm_stream *info)
1da177e4 1924{
0ba21762
TI		 1925 /* query support PCM information from the given NID */
1926 if (info->nid && (!info->rates || !info->formats)) {
1927 snd_hda_query_supported_pcm(codec, info->nid,
1928 info->rates ? NULL : &info->rates,
1929 info->formats ? NULL : &info->formats,
1930 info->maxbps ? NULL : &info->maxbps);
1da177e4
LT		 1931 }
1932 if (info->ops.open == NULL)
1933 info->ops.open = hda_pcm_default_open_close;
1934 if (info->ops.close == NULL)
1935 info->ops.close = hda_pcm_default_open_close;
1936 if (info->ops.prepare == NULL) {
1937 snd_assert(info->nid, return -EINVAL);
1938 info->ops.prepare = hda_pcm_default_prepare;
1939 }
1da177e4
LT		 1940 if (info->ops.cleanup == NULL) {
1941 snd_assert(info->nid, return -EINVAL);
1942 info->ops.cleanup = hda_pcm_default_cleanup;
1943 }
1944 return 0;
1945}
1946
1947/**
1948 * snd_hda_build_pcms - build PCM information
1949 * @bus: the BUS
1950 *
1951 * Create PCM information for each codec included in the bus.
1952 *
1953 * The build_pcms codec patch is requested to set up codec->num_pcms and
1954 * codec->pcm_info properly. The array is referred by the top-level driver
1955 * to create its PCM instances.
1956 * The allocated codec->pcm_info should be released in codec->patch_ops.free
1957 * callback.
1958 *
1959 * At least, substreams, channels_min and channels_max must be filled for
1960 * each stream. substreams = 0 indicates that the stream doesn't exist.
1961 * When rates and/or formats are zero, the supported values are queried
1962 * from the given nid. The nid is used also by the default ops.prepare
1963 * and ops.cleanup callbacks.
1964 *
1965 * The driver needs to call ops.open in its open callback. Similarly,
1966 * ops.close is supposed to be called in the close callback.
1967 * ops.prepare should be called in the prepare or hw_params callback
1968 * with the proper parameters for set up.
1969 * ops.cleanup should be called in hw_free for clean up of streams.
1970 *
1971 * This function returns 0 if successfull, or a negative error code.
1972 */
756e2b01 1973int __devinit snd_hda_build_pcms(struct hda_bus *bus)
1da177e4 1974{
0ba21762 1975 struct hda_codec *codec;
1da177e4 1976
0ba21762 1977 list_for_each_entry(codec, &bus->codec_list, list) {
1da177e4
LT		 1978 unsigned int pcm, s;
1979 int err;
0ba21762 1980 if (!codec->patch_ops.build_pcms)
1da177e4
LT		 1981 continue;
1982 err = codec->patch_ops.build_pcms(codec);
1983 if (err < 0)
1984 return err;
1985 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
1986 for (s = 0; s < 2; s++) {
1987 struct hda_pcm_stream *info;
1988 info = &codec->pcm_info[pcm].stream[s];
0ba21762 1989 if (!info->substreams)
1da177e4
LT		 1990 continue;
1991 err = set_pcm_default_values(codec, info);
1992 if (err < 0)
1993 return err;
1994 }
1995 }
1996 }
1997 return 0;
1998}
1999
1da177e4
LT		 2000/**
2001 * snd_hda_check_board_config - compare the current codec with the config table
2002 * @codec: the HDA codec
f5fcc13c
TI		 2003 * @num_configs: number of config enums
2004 * @models: array of model name strings
1da177e4
LT		 2005 * @tbl: configuration table, terminated by null entries
2006 *
2007 * Compares the modelname or PCI subsystem id of the current codec with the
2008 * given configuration table. If a matching entry is found, returns its
2009 * config value (supposed to be 0 or positive).
2010 *
2011 * If no entries are matching, the function returns a negative value.
2012 */
12f288bf
TI		 2013int snd_hda_check_board_config(struct hda_codec *codec,
2014 int num_configs, const char **models,
2015 const struct snd_pci_quirk *tbl)
1da177e4 2016{
f5fcc13c
TI		 2017 if (codec->bus->modelname && models) {
2018 int i;
2019 for (i = 0; i < num_configs; i++) {
2020 if (models[i] &&
2021 !strcmp(codec->bus->modelname, models[i])) {
2022 snd_printd(KERN_INFO "hda_codec: model '%s' is "
2023 "selected\n", models[i]);
2024 return i;
1da177e4
LT		 2025 }
2026 }
2027 }
2028
f5fcc13c
TI		 2029 if (!codec->bus->pci || !tbl)
2030 return -1;
2031
2032 tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl);
2033 if (!tbl)
2034 return -1;
2035 if (tbl->value >= 0 && tbl->value < num_configs) {
2036#ifdef CONFIG_SND_DEBUG_DETECT
2037 char tmp[10];
2038 const char *model = NULL;
2039 if (models)
2040 model = models[tbl->value];
2041 if (!model) {
2042 sprintf(tmp, "#%d", tbl->value);
2043 model = tmp;
1da177e4 2044 }
f5fcc13c
TI		 2045 snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
2046 "for config %x:%x (%s)\n",
2047 model, tbl->subvendor, tbl->subdevice,
2048 (tbl->name ? tbl->name : "Unknown device"));
2049#endif
2050 return tbl->value;
1da177e4
LT		 2051 }
2052 return -1;
2053}
2054
2055/**
2056 * snd_hda_add_new_ctls - create controls from the array
2057 * @codec: the HDA codec
c8b6bf9b 2058 * @knew: the array of struct snd_kcontrol_new
1da177e4
LT		 2059 *
2060 * This helper function creates and add new controls in the given array.
2061 * The array must be terminated with an empty entry as terminator.
2062 *
2063 * Returns 0 if successful, or a negative error code.
2064 */
12f288bf 2065int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
1da177e4
LT		 2066{
2067 int err;
2068
2069 for (; knew->name; knew++) {
54d17403
TI		 2070 struct snd_kcontrol *kctl;
2071 kctl = snd_ctl_new1(knew, codec);
0ba21762 2072 if (!kctl)
54d17403
TI		 2073 return -ENOMEM;
2074 err = snd_ctl_add(codec->bus->card, kctl);
2075 if (err < 0) {
0ba21762 2076 if (!codec->addr)
54d17403
TI		 2077 return err;
2078 kctl = snd_ctl_new1(knew, codec);
0ba21762 2079 if (!kctl)
54d17403
TI		 2080 return -ENOMEM;
2081 kctl->id.device = codec->addr;
0ba21762
TI		 2082 err = snd_ctl_add(codec->bus->card, kctl);
2083 if (err < 0)
54d17403
TI		 2084 return err;
2085 }
1da177e4
LT		 2086 }
2087 return 0;
2088}
2089
2090
c8b6bf9b 2091/*
d2a6d7dc
TI		 2092 * Channel mode helper
2093 */
0ba21762
TI		 2094int snd_hda_ch_mode_info(struct hda_codec *codec,
2095 struct snd_ctl_elem_info *uinfo,
2096 const struct hda_channel_mode *chmode,
2097 int num_chmodes)
d2a6d7dc
TI		 2098{
2099 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2100 uinfo->count = 1;
2101 uinfo->value.enumerated.items = num_chmodes;
2102 if (uinfo->value.enumerated.item >= num_chmodes)
2103 uinfo->value.enumerated.item = num_chmodes - 1;
2104 sprintf(uinfo->value.enumerated.name, "%dch",
2105 chmode[uinfo->value.enumerated.item].channels);
2106 return 0;
2107}
2108
0ba21762
TI		 2109int snd_hda_ch_mode_get(struct hda_codec *codec,
2110 struct snd_ctl_elem_value *ucontrol,
2111 const struct hda_channel_mode *chmode,
2112 int num_chmodes,
d2a6d7dc
TI		 2113 int max_channels)
2114{
2115 int i;
2116
2117 for (i = 0; i < num_chmodes; i++) {
2118 if (max_channels == chmode[i].channels) {
2119 ucontrol->value.enumerated.item[0] = i;
2120 break;
2121 }
2122 }
2123 return 0;
2124}
2125
0ba21762
TI		 2126int snd_hda_ch_mode_put(struct hda_codec *codec,
2127 struct snd_ctl_elem_value *ucontrol,
2128 const struct hda_channel_mode *chmode,
2129 int num_chmodes,
d2a6d7dc
TI		 2130 int *max_channelsp)
2131{
2132 unsigned int mode;
2133
2134 mode = ucontrol->value.enumerated.item[0];
2135 snd_assert(mode < num_chmodes, return -EINVAL);
82beb8fd 2136 if (*max_channelsp == chmode[mode].channels)
d2a6d7dc
TI		 2137 return 0;
2138 /* change the current channel setting */
2139 *max_channelsp = chmode[mode].channels;
2140 if (chmode[mode].sequence)
82beb8fd 2141 snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
d2a6d7dc
TI		 2142 return 1;
2143}
2144
1da177e4
LT		 2145/*
2146 * input MUX helper
2147 */
0ba21762
TI		 2148int snd_hda_input_mux_info(const struct hda_input_mux *imux,
2149 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 2150{
2151 unsigned int index;
2152
2153 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2154 uinfo->count = 1;
2155 uinfo->value.enumerated.items = imux->num_items;
2156 index = uinfo->value.enumerated.item;
2157 if (index >= imux->num_items)
2158 index = imux->num_items - 1;
2159 strcpy(uinfo->value.enumerated.name, imux->items[index].label);
2160 return 0;
2161}
2162
0ba21762
TI		 2163int snd_hda_input_mux_put(struct hda_codec *codec,
2164 const struct hda_input_mux *imux,
2165 struct snd_ctl_elem_value *ucontrol,
2166 hda_nid_t nid,
1da177e4
LT		 2167 unsigned int *cur_val)
2168{
2169 unsigned int idx;
2170
2171 idx = ucontrol->value.enumerated.item[0];
2172 if (idx >= imux->num_items)
2173 idx = imux->num_items - 1;
82beb8fd 2174 if (*cur_val == idx)
1da177e4 2175 return 0;
82beb8fd
TI		 2176 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
2177 imux->items[idx].index);
1da177e4
LT		 2178 *cur_val = idx;
2179 return 1;
2180}
2181
2182
2183/*
2184 * Multi-channel / digital-out PCM helper functions
2185 */
2186
6b97eb45
TI		 2187/* setup SPDIF output stream */
2188static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
2189 unsigned int stream_tag, unsigned int format)
2190{
2191 /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2192 if (codec->spdif_ctls & AC_DIG1_ENABLE)
2193 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
2194 codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
2195 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
2196 /* turn on again (if needed) */
2197 if (codec->spdif_ctls & AC_DIG1_ENABLE)
2198 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
2199 codec->spdif_ctls & 0xff);
2200}
2201
1da177e4
LT		 2202/*
2203 * open the digital out in the exclusive mode
2204 */
0ba21762
TI		 2205int snd_hda_multi_out_dig_open(struct hda_codec *codec,
2206 struct hda_multi_out *mout)
1da177e4 2207{
62932df8 2208 mutex_lock(&codec->spdif_mutex);
5930ca41
TI		 2209 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
2210 /* already opened as analog dup; reset it once */
2211 snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
1da177e4 2212 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
62932df8 2213 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2214 return 0;
2215}
2216
6b97eb45
TI		 2217int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
2218 struct hda_multi_out *mout,
2219 unsigned int stream_tag,
2220 unsigned int format,
2221 struct snd_pcm_substream *substream)
2222{
2223 mutex_lock(&codec->spdif_mutex);
2224 setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
2225 mutex_unlock(&codec->spdif_mutex);
2226 return 0;
2227}
2228
1da177e4
LT		 2229/*
2230 * release the digital out
2231 */
0ba21762
TI		 2232int snd_hda_multi_out_dig_close(struct hda_codec *codec,
2233 struct hda_multi_out *mout)
1da177e4 2234{
62932df8 2235 mutex_lock(&codec->spdif_mutex);
1da177e4 2236 mout->dig_out_used = 0;
62932df8 2237 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2238 return 0;
2239}
2240
2241/*
2242 * set up more restrictions for analog out
2243 */
0ba21762
TI		 2244int snd_hda_multi_out_analog_open(struct hda_codec *codec,
2245 struct hda_multi_out *mout,
c8b6bf9b 2246 struct snd_pcm_substream *substream)
1da177e4
LT		 2247{
2248 substream->runtime->hw.channels_max = mout->max_channels;
2249 return snd_pcm_hw_constraint_step(substream->runtime, 0,
2250 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2251}
2252
2253/*
2254 * set up the i/o for analog out
2255 * when the digital out is available, copy the front out to digital out, too.
2256 */
0ba21762
TI		 2257int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
2258 struct hda_multi_out *mout,
1da177e4
LT		 2259 unsigned int stream_tag,
2260 unsigned int format,
c8b6bf9b 2261 struct snd_pcm_substream *substream)
1da177e4
LT		 2262{
2263 hda_nid_t *nids = mout->dac_nids;
2264 int chs = substream->runtime->channels;
2265 int i;
2266
62932df8 2267 mutex_lock(&codec->spdif_mutex);
1da177e4
LT		 2268 if (mout->dig_out_nid && mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
2269 if (chs == 2 &&
0ba21762
TI		 2270 snd_hda_is_supported_format(codec, mout->dig_out_nid,
2271 format) &&
2272 !(codec->spdif_status & IEC958_AES0_NONAUDIO)) {
1da177e4 2273 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
6b97eb45
TI		 2274 setup_dig_out_stream(codec, mout->dig_out_nid,
2275 stream_tag, format);
1da177e4
LT		 2276 } else {
2277 mout->dig_out_used = 0;
0ba21762
TI		 2278 snd_hda_codec_setup_stream(codec, mout->dig_out_nid,
2279 0, 0, 0);
1da177e4
LT		 2280 }
2281 }
62932df8 2282 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2283
2284 /* front */
0ba21762
TI		 2285 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
2286 0, format);
35aec4e2 2287 if (mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
1da177e4 2288 /* headphone out will just decode front left/right (stereo) */
0ba21762
TI		 2289 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
2290 0, format);
82bc955f
TI		 2291 /* extra outputs copied from front */
2292 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2293 if (mout->extra_out_nid[i])
2294 snd_hda_codec_setup_stream(codec,
2295 mout->extra_out_nid[i],
2296 stream_tag, 0, format);
2297
1da177e4
LT		 2298 /* surrounds */
2299 for (i = 1; i < mout->num_dacs; i++) {
4b3acaf5 2300 if (chs >= (i + 1) * 2) /* independent out */
0ba21762
TI		 2301 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2302 i * 2, format);
4b3acaf5 2303 else /* copy front */
0ba21762
TI		 2304 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2305 0, format);
1da177e4
LT		 2306 }
2307 return 0;
2308}
2309
2310/*
2311 * clean up the setting for analog out
2312 */
0ba21762
TI		 2313int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
2314 struct hda_multi_out *mout)
1da177e4
LT		 2315{
2316 hda_nid_t *nids = mout->dac_nids;
2317 int i;
2318
2319 for (i = 0; i < mout->num_dacs; i++)
2320 snd_hda_codec_setup_stream(codec, nids[i], 0, 0, 0);
2321 if (mout->hp_nid)
2322 snd_hda_codec_setup_stream(codec, mout->hp_nid, 0, 0, 0);
82bc955f
TI		 2323 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2324 if (mout->extra_out_nid[i])
2325 snd_hda_codec_setup_stream(codec,
2326 mout->extra_out_nid[i],
2327 0, 0, 0);
62932df8 2328 mutex_lock(&codec->spdif_mutex);
1da177e4
LT		 2329 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
2330 snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
2331 mout->dig_out_used = 0;
2332 }
62932df8 2333 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2334 return 0;
2335}
2336
e9edcee0
TI		 2337/*
2338 * Helper for automatic ping configuration
2339 */
df694daa 2340
12f288bf 2341static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list)
df694daa
KY		 2342{
2343 for (; *list; list++)
2344 if (*list == nid)
2345 return 1;
2346 return 0;
2347}
2348
81937d3b
SL		 2349
2350/*
2351 * Sort an associated group of pins according to their sequence numbers.
2352 */
2353static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences,
2354 int num_pins)
2355{
2356 int i, j;
2357 short seq;
2358 hda_nid_t nid;
2359
2360 for (i = 0; i < num_pins; i++) {
2361 for (j = i + 1; j < num_pins; j++) {
2362 if (sequences[i] > sequences[j]) {
2363 seq = sequences[i];
2364 sequences[i] = sequences[j];
2365 sequences[j] = seq;
2366 nid = pins[i];
2367 pins[i] = pins[j];
2368 pins[j] = nid;
2369 }
2370 }
2371 }
2372}
2373
2374
82bc955f
TI		 2375/*
2376 * Parse all pin widgets and store the useful pin nids to cfg
2377 *
2378 * The number of line-outs or any primary output is stored in line_outs,
2379 * and the corresponding output pins are assigned to line_out_pins[],
2380 * in the order of front, rear, CLFE, side, ...
2381 *
2382 * If more extra outputs (speaker and headphone) are found, the pins are
eb06ed8f 2383 * assisnged to hp_pins[] and speaker_pins[], respectively. If no line-out jack
82bc955f
TI		 2384 * is detected, one of speaker of HP pins is assigned as the primary
2385 * output, i.e. to line_out_pins[0]. So, line_outs is always positive
2386 * if any analog output exists.
2387 *
2388 * The analog input pins are assigned to input_pins array.
2389 * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
2390 * respectively.
2391 */
12f288bf
TI		 2392int snd_hda_parse_pin_def_config(struct hda_codec *codec,
2393 struct auto_pin_cfg *cfg,
2394 hda_nid_t *ignore_nids)
e9edcee0
TI		 2395{
2396 hda_nid_t nid, nid_start;
81937d3b
SL		 2397 int nodes;
2398 short seq, assoc_line_out, assoc_speaker;
2399 short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)];
2400 short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)];
e9edcee0
TI		 2401
2402 memset(cfg, 0, sizeof(*cfg));
2403
81937d3b
SL		 2404 memset(sequences_line_out, 0, sizeof(sequences_line_out));
2405 memset(sequences_speaker, 0, sizeof(sequences_speaker));
2406 assoc_line_out = assoc_speaker = 0;
e9edcee0
TI		 2407
2408 nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid_start);
2409 for (nid = nid_start; nid < nodes + nid_start; nid++) {
54d17403 2410 unsigned int wid_caps = get_wcaps(codec, nid);
0ba21762
TI		 2411 unsigned int wid_type =
2412 (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
e9edcee0
TI		 2413 unsigned int def_conf;
2414 short assoc, loc;
2415
2416 /* read all default configuration for pin complex */
2417 if (wid_type != AC_WID_PIN)
2418 continue;
df694daa
KY		 2419 /* ignore the given nids (e.g. pc-beep returns error) */
2420 if (ignore_nids && is_in_nid_list(nid, ignore_nids))
2421 continue;
2422
0ba21762
TI		 2423 def_conf = snd_hda_codec_read(codec, nid, 0,
2424 AC_VERB_GET_CONFIG_DEFAULT, 0);
e9edcee0
TI		 2425 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
2426 continue;
2427 loc = get_defcfg_location(def_conf);
2428 switch (get_defcfg_device(def_conf)) {
2429 case AC_JACK_LINE_OUT:
e9edcee0
TI		 2430 seq = get_defcfg_sequence(def_conf);
2431 assoc = get_defcfg_association(def_conf);
0ba21762 2432 if (!assoc)
e9edcee0 2433 continue;
0ba21762 2434 if (!assoc_line_out)
e9edcee0
TI		 2435 assoc_line_out = assoc;
2436 else if (assoc_line_out != assoc)
2437 continue;
2438 if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
2439 continue;
2440 cfg->line_out_pins[cfg->line_outs] = nid;
81937d3b 2441 sequences_line_out[cfg->line_outs] = seq;
e9edcee0
TI		 2442 cfg->line_outs++;
2443 break;
8d88bc3d 2444 case AC_JACK_SPEAKER:
81937d3b
SL		 2445 seq = get_defcfg_sequence(def_conf);
2446 assoc = get_defcfg_association(def_conf);
2447 if (! assoc)
2448 continue;
2449 if (! assoc_speaker)
2450 assoc_speaker = assoc;
2451 else if (assoc_speaker != assoc)
2452 continue;
82bc955f
TI		 2453 if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
2454 continue;
2455 cfg->speaker_pins[cfg->speaker_outs] = nid;
81937d3b 2456 sequences_speaker[cfg->speaker_outs] = seq;
82bc955f 2457 cfg->speaker_outs++;
8d88bc3d 2458 break;
e9edcee0 2459 case AC_JACK_HP_OUT:
eb06ed8f
TI		 2460 if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
2461 continue;
2462 cfg->hp_pins[cfg->hp_outs] = nid;
2463 cfg->hp_outs++;
e9edcee0 2464 break;
314634bc
TI		 2465 case AC_JACK_MIC_IN: {
2466 int preferred, alt;
2467 if (loc == AC_JACK_LOC_FRONT) {
2468 preferred = AUTO_PIN_FRONT_MIC;
2469 alt = AUTO_PIN_MIC;
2470 } else {
2471 preferred = AUTO_PIN_MIC;
2472 alt = AUTO_PIN_FRONT_MIC;
2473 }
2474 if (!cfg->input_pins[preferred])
2475 cfg->input_pins[preferred] = nid;
2476 else if (!cfg->input_pins[alt])
2477 cfg->input_pins[alt] = nid;
e9edcee0 2478 break;
314634bc 2479 }
e9edcee0
TI		 2480 case AC_JACK_LINE_IN:
2481 if (loc == AC_JACK_LOC_FRONT)
2482 cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
2483 else
2484 cfg->input_pins[AUTO_PIN_LINE] = nid;
2485 break;
2486 case AC_JACK_CD:
2487 cfg->input_pins[AUTO_PIN_CD] = nid;
2488 break;
2489 case AC_JACK_AUX:
2490 cfg->input_pins[AUTO_PIN_AUX] = nid;
2491 break;
2492 case AC_JACK_SPDIF_OUT:
2493 cfg->dig_out_pin = nid;
2494 break;
2495 case AC_JACK_SPDIF_IN:
2496 cfg->dig_in_pin = nid;
2497 break;
2498 }
2499 }
2500
2501 /* sort by sequence */
81937d3b
SL		 2502 sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out,
2503 cfg->line_outs);
2504 sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker,
2505 cfg->speaker_outs);
2506
2507 /*
2508 * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
2509 * as a primary output
2510 */
2511 if (!cfg->line_outs) {
2512 if (cfg->speaker_outs) {
2513 cfg->line_outs = cfg->speaker_outs;
2514 memcpy(cfg->line_out_pins, cfg->speaker_pins,
2515 sizeof(cfg->speaker_pins));
2516 cfg->speaker_outs = 0;
2517 memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
2518 cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
2519 } else if (cfg->hp_outs) {
2520 cfg->line_outs = cfg->hp_outs;
2521 memcpy(cfg->line_out_pins, cfg->hp_pins,
2522 sizeof(cfg->hp_pins));
2523 cfg->hp_outs = 0;
2524 memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
2525 cfg->line_out_type = AUTO_PIN_HP_OUT;
2526 }
2527 }
e9edcee0 2528
cb8e2f83
TI		 2529 /* Reorder the surround channels
2530 * ALSA sequence is front/surr/clfe/side
2531 * HDA sequence is:
2532 * 4-ch: front/surr => OK as it is
2533 * 6-ch: front/clfe/surr
9422db40 2534 * 8-ch: front/clfe/rear/side|fc
cb8e2f83
TI		 2535 */
2536 switch (cfg->line_outs) {
2537 case 3:
cb8e2f83
TI		 2538 case 4:
2539 nid = cfg->line_out_pins[1];
9422db40 2540 cfg->line_out_pins[1] = cfg->line_out_pins[2];
cb8e2f83
TI		 2541 cfg->line_out_pins[2] = nid;
2542 break;
e9edcee0
TI		 2543 }
2544
82bc955f
TI		 2545 /*
2546 * debug prints of the parsed results
2547 */
2548 snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2549 cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
2550 cfg->line_out_pins[2], cfg->line_out_pins[3],
2551 cfg->line_out_pins[4]);
2552 snd_printd(" speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2553 cfg->speaker_outs, cfg->speaker_pins[0],
2554 cfg->speaker_pins[1], cfg->speaker_pins[2],
2555 cfg->speaker_pins[3], cfg->speaker_pins[4]);
eb06ed8f
TI		 2556 snd_printd(" hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2557 cfg->hp_outs, cfg->hp_pins[0],
2558 cfg->hp_pins[1], cfg->hp_pins[2],
2559 cfg->hp_pins[3], cfg->hp_pins[4]);
82bc955f
TI		 2560 snd_printd(" inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
2561 " cd=0x%x, aux=0x%x\n",
2562 cfg->input_pins[AUTO_PIN_MIC],
2563 cfg->input_pins[AUTO_PIN_FRONT_MIC],
2564 cfg->input_pins[AUTO_PIN_LINE],
2565 cfg->input_pins[AUTO_PIN_FRONT_LINE],
2566 cfg->input_pins[AUTO_PIN_CD],
2567 cfg->input_pins[AUTO_PIN_AUX]);
2568
e9edcee0
TI		 2569 return 0;
2570}
2571
4a471b7d
TI		 2572/* labels for input pins */
2573const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
2574 "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
2575};
2576
2577
1da177e4
LT		 2578#ifdef CONFIG_PM
2579/*
2580 * power management
2581 */
2582
2583/**
2584 * snd_hda_suspend - suspend the codecs
2585 * @bus: the HDA bus
2586 * @state: suspsend state
2587 *
2588 * Returns 0 if successful.
2589 */
2590int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
2591{
0ba21762 2592 struct hda_codec *codec;
1da177e4
LT		 2593
2594 /* FIXME: should handle power widget capabilities */
0ba21762 2595 list_for_each_entry(codec, &bus->codec_list, list) {
1da177e4
LT		 2596 if (codec->patch_ops.suspend)
2597 codec->patch_ops.suspend(codec, state);
54d17403
TI		 2598 hda_set_power_state(codec,
2599 codec->afg ? codec->afg : codec->mfg,
2600 AC_PWRST_D3);
1da177e4
LT		 2601 }
2602 return 0;
2603}
2604
2605/**
2606 * snd_hda_resume - resume the codecs
2607 * @bus: the HDA bus
2608 * @state: resume state
2609 *
2610 * Returns 0 if successful.
2611 */
2612int snd_hda_resume(struct hda_bus *bus)
2613{
0ba21762 2614 struct hda_codec *codec;
1da177e4 2615
0ba21762 2616 list_for_each_entry(codec, &bus->codec_list, list) {
54d17403
TI		 2617 hda_set_power_state(codec,
2618 codec->afg ? codec->afg : codec->mfg,
2619 AC_PWRST_D0);
1da177e4
LT		 2620 if (codec->patch_ops.resume)
2621 codec->patch_ops.resume(codec);
82beb8fd
TI		 2622 else {
2623 codec->patch_ops.init(codec);
2624 snd_hda_codec_resume_amp(codec);
2625 snd_hda_codec_resume_cache(codec);
1da177e4
LT		 2626 }
2627 }
1da177e4
LT		 2628 return 0;
2629}
2630
1da177e4 2631#endif
Clone of davem's net-next-2.6 tree