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[ALSA] pcxhr - Fix trigger start with non-linked streams
[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 35
cb53c626
TI		 36#ifdef CONFIG_SND_HDA_POWER_SAVE
37/* define this option here to hide as static */
38static int power_save = 10;
39module_param(power_save, int, 0644);
40MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
41 "(in second, 0 = disable).");
42#endif
1da177e4 43
1da177e4
LT		 44/*
45 * vendor / preset table
46 */
47
48struct hda_vendor_id {
49 unsigned int id;
50 const char *name;
51};
52
53/* codec vendor labels */
54static struct hda_vendor_id hda_vendor_ids[] = {
55 { 0x10ec, "Realtek" },
a9226251 56 { 0x1057, "Motorola" },
c577b8a1 57 { 0x1106, "VIA" },
54b903ec 58 { 0x11d4, "Analog Devices" },
1da177e4 59 { 0x13f6, "C-Media" },
a9226251 60 { 0x14f1, "Conexant" },
1da177e4 61 { 0x434d, "C-Media" },
2f2f4251 62 { 0x8384, "SigmaTel" },
1da177e4
LT		 63 {} /* terminator */
64};
65
66/* codec presets */
67#include "hda_patch.h"
68
69
cb53c626
TI		 70#ifdef CONFIG_SND_HDA_POWER_SAVE
71static void hda_power_work(struct work_struct *work);
72static void hda_keep_power_on(struct hda_codec *codec);
73#else
74static inline void hda_keep_power_on(struct hda_codec *codec) {}
75#endif
76
1da177e4
LT		 77/**
78 * snd_hda_codec_read - send a command and get the response
79 * @codec: the HDA codec
80 * @nid: NID to send the command
81 * @direct: direct flag
82 * @verb: the verb to send
83 * @parm: the parameter for the verb
84 *
85 * Send a single command and read the corresponding response.
86 *
87 * Returns the obtained response value, or -1 for an error.
88 */
0ba21762
TI		 89unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
90 int direct,
1da177e4
LT		 91 unsigned int verb, unsigned int parm)
92{
93 unsigned int res;
cb53c626 94 snd_hda_power_up(codec);
62932df8 95 mutex_lock(&codec->bus->cmd_mutex);
0ba21762 96 if (!codec->bus->ops.command(codec, nid, direct, verb, parm))
1da177e4
LT		 97 res = codec->bus->ops.get_response(codec);
98 else
99 res = (unsigned int)-1;
62932df8 100 mutex_unlock(&codec->bus->cmd_mutex);
cb53c626 101 snd_hda_power_down(codec);
1da177e4
LT		 102 return res;
103}
104
105/**
106 * snd_hda_codec_write - send a single command without waiting for response
107 * @codec: the HDA codec
108 * @nid: NID to send the command
109 * @direct: direct flag
110 * @verb: the verb to send
111 * @parm: the parameter for the verb
112 *
113 * Send a single command without waiting for response.
114 *
115 * Returns 0 if successful, or a negative error code.
116 */
117int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
118 unsigned int verb, unsigned int parm)
119{
120 int err;
cb53c626 121 snd_hda_power_up(codec);
62932df8 122 mutex_lock(&codec->bus->cmd_mutex);
1da177e4 123 err = codec->bus->ops.command(codec, nid, direct, verb, parm);
62932df8 124 mutex_unlock(&codec->bus->cmd_mutex);
cb53c626 125 snd_hda_power_down(codec);
1da177e4
LT		 126 return err;
127}
128
129/**
130 * snd_hda_sequence_write - sequence writes
131 * @codec: the HDA codec
132 * @seq: VERB array to send
133 *
134 * Send the commands sequentially from the given array.
135 * The array must be terminated with NID=0.
136 */
137void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
138{
139 for (; seq->nid; seq++)
140 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
141}
142
143/**
144 * snd_hda_get_sub_nodes - get the range of sub nodes
145 * @codec: the HDA codec
146 * @nid: NID to parse
147 * @start_id: the pointer to store the start NID
148 *
149 * Parse the NID and store the start NID of its sub-nodes.
150 * Returns the number of sub-nodes.
151 */
0ba21762
TI		 152int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
153 hda_nid_t *start_id)
1da177e4
LT		 154{
155 unsigned int parm;
156
157 parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
158 *start_id = (parm >> 16) & 0x7fff;
159 return (int)(parm & 0x7fff);
160}
161
162/**
163 * snd_hda_get_connections - get connection list
164 * @codec: the HDA codec
165 * @nid: NID to parse
166 * @conn_list: connection list array
167 * @max_conns: max. number of connections to store
168 *
169 * Parses the connection list of the given widget and stores the list
170 * of NIDs.
171 *
172 * Returns the number of connections, or a negative error code.
173 */
174int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
175 hda_nid_t *conn_list, int max_conns)
176{
177 unsigned int parm;
54d17403 178 int i, conn_len, conns;
1da177e4 179 unsigned int shift, num_elems, mask;
54d17403 180 hda_nid_t prev_nid;
1da177e4
LT		 181
182 snd_assert(conn_list && max_conns > 0, return -EINVAL);
183
184 parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN);
185 if (parm & AC_CLIST_LONG) {
186 /* long form */
187 shift = 16;
188 num_elems = 2;
189 } else {
190 /* short form */
191 shift = 8;
192 num_elems = 4;
193 }
194 conn_len = parm & AC_CLIST_LENGTH;
1da177e4
LT		 195 mask = (1 << (shift-1)) - 1;
196
0ba21762 197 if (!conn_len)
1da177e4
LT		 198 return 0; /* no connection */
199
200 if (conn_len == 1) {
201 /* single connection */
0ba21762
TI		 202 parm = snd_hda_codec_read(codec, nid, 0,
203 AC_VERB_GET_CONNECT_LIST, 0);
1da177e4
LT		 204 conn_list[0] = parm & mask;
205 return 1;
206 }
207
208 /* multi connection */
209 conns = 0;
54d17403
TI		 210 prev_nid = 0;
211 for (i = 0; i < conn_len; i++) {
212 int range_val;
213 hda_nid_t val, n;
214
215 if (i % num_elems == 0)
216 parm = snd_hda_codec_read(codec, nid, 0,
217 AC_VERB_GET_CONNECT_LIST, i);
0ba21762 218 range_val = !!(parm & (1 << (shift-1))); /* ranges */
54d17403
TI		 219 val = parm & mask;
220 parm >>= shift;
221 if (range_val) {
222 /* ranges between the previous and this one */
0ba21762
TI		 223 if (!prev_nid || prev_nid >= val) {
224 snd_printk(KERN_WARNING "hda_codec: "
225 "invalid dep_range_val %x:%x\n",
226 prev_nid, val);
54d17403
TI		 227 continue;
228 }
229 for (n = prev_nid + 1; n <= val; n++) {
230 if (conns >= max_conns) {
0ba21762
TI		 231 snd_printk(KERN_ERR
232 "Too many connections\n");
1da177e4 233 return -EINVAL;
54d17403
TI		 234 }
235 conn_list[conns++] = n;
1da177e4 236 }
54d17403
TI		 237 } else {
238 if (conns >= max_conns) {
239 snd_printk(KERN_ERR "Too many connections\n");
240 return -EINVAL;
241 }
242 conn_list[conns++] = val;
1da177e4 243 }
54d17403 244 prev_nid = val;
1da177e4
LT		 245 }
246 return conns;
247}
248
249
250/**
251 * snd_hda_queue_unsol_event - add an unsolicited event to queue
252 * @bus: the BUS
253 * @res: unsolicited event (lower 32bit of RIRB entry)
254 * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
255 *
256 * Adds the given event to the queue. The events are processed in
257 * the workqueue asynchronously. Call this function in the interrupt
258 * hanlder when RIRB receives an unsolicited event.
259 *
260 * Returns 0 if successful, or a negative error code.
261 */
262int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
263{
264 struct hda_bus_unsolicited *unsol;
265 unsigned int wp;
266
0ba21762
TI		 267 unsol = bus->unsol;
268 if (!unsol)
1da177e4
LT		 269 return 0;
270
271 wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
272 unsol->wp = wp;
273
274 wp <<= 1;
275 unsol->queue[wp] = res;
276 unsol->queue[wp + 1] = res_ex;
277
e250af29 278 schedule_work(&unsol->work);
1da177e4
LT		 279
280 return 0;
281}
282
283/*
284 * process queueud unsolicited events
285 */
c4028958 286static void process_unsol_events(struct work_struct *work)
1da177e4 287{
c4028958
DH		 288 struct hda_bus_unsolicited *unsol =
289 container_of(work, struct hda_bus_unsolicited, work);
290 struct hda_bus *bus = unsol->bus;
1da177e4
LT		 291 struct hda_codec *codec;
292 unsigned int rp, caddr, res;
293
294 while (unsol->rp != unsol->wp) {
295 rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE;
296 unsol->rp = rp;
297 rp <<= 1;
298 res = unsol->queue[rp];
299 caddr = unsol->queue[rp + 1];
0ba21762 300 if (!(caddr & (1 << 4))) /* no unsolicited event? */
1da177e4
LT		 301 continue;
302 codec = bus->caddr_tbl[caddr & 0x0f];
303 if (codec && codec->patch_ops.unsol_event)
304 codec->patch_ops.unsol_event(codec, res);
305 }
306}
307
308/*
309 * initialize unsolicited queue
310 */
756e2b01 311static int __devinit init_unsol_queue(struct hda_bus *bus)
1da177e4
LT		 312{
313 struct hda_bus_unsolicited *unsol;
314
9f146bb6
TI		 315 if (bus->unsol) /* already initialized */
316 return 0;
317
e560d8d8 318 unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
0ba21762
TI		 319 if (!unsol) {
320 snd_printk(KERN_ERR "hda_codec: "
321 "can't allocate unsolicited queue\n");
1da177e4
LT		 322 return -ENOMEM;
323 }
c4028958
DH		 324 INIT_WORK(&unsol->work, process_unsol_events);
325 unsol->bus = bus;
1da177e4
LT		 326 bus->unsol = unsol;
327 return 0;
328}
329
330/*
331 * destructor
332 */
333static void snd_hda_codec_free(struct hda_codec *codec);
334
335static int snd_hda_bus_free(struct hda_bus *bus)
336{
0ba21762 337 struct hda_codec *codec, *n;
1da177e4 338
0ba21762 339 if (!bus)
1da177e4
LT		 340 return 0;
341 if (bus->unsol) {
e250af29 342 flush_scheduled_work();
1da177e4
LT		 343 kfree(bus->unsol);
344 }
0ba21762 345 list_for_each_entry_safe(codec, n, &bus->codec_list, list) {
1da177e4
LT		 346 snd_hda_codec_free(codec);
347 }
348 if (bus->ops.private_free)
349 bus->ops.private_free(bus);
350 kfree(bus);
351 return 0;
352}
353
c8b6bf9b 354static int snd_hda_bus_dev_free(struct snd_device *device)
1da177e4
LT		 355{
356 struct hda_bus *bus = device->device_data;
357 return snd_hda_bus_free(bus);
358}
359
360/**
361 * snd_hda_bus_new - create a HDA bus
362 * @card: the card entry
363 * @temp: the template for hda_bus information
364 * @busp: the pointer to store the created bus instance
365 *
366 * Returns 0 if successful, or a negative error code.
367 */
756e2b01
TI		 368int __devinit snd_hda_bus_new(struct snd_card *card,
369 const struct hda_bus_template *temp,
370 struct hda_bus **busp)
1da177e4
LT		 371{
372 struct hda_bus *bus;
373 int err;
c8b6bf9b 374 static struct snd_device_ops dev_ops = {
1da177e4
LT		 375 .dev_free = snd_hda_bus_dev_free,
376 };
377
378 snd_assert(temp, return -EINVAL);
379 snd_assert(temp->ops.command && temp->ops.get_response, return -EINVAL);
380
381 if (busp)
382 *busp = NULL;
383
e560d8d8 384 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1da177e4
LT		 385 if (bus == NULL) {
386 snd_printk(KERN_ERR "can't allocate struct hda_bus\n");
387 return -ENOMEM;
388 }
389
390 bus->card = card;
391 bus->private_data = temp->private_data;
392 bus->pci = temp->pci;
393 bus->modelname = temp->modelname;
394 bus->ops = temp->ops;
395
62932df8 396 mutex_init(&bus->cmd_mutex);
1da177e4
LT		 397 INIT_LIST_HEAD(&bus->codec_list);
398
0ba21762
TI		 399 err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
400 if (err < 0) {
1da177e4
LT		 401 snd_hda_bus_free(bus);
402 return err;
403 }
404 if (busp)
405 *busp = bus;
406 return 0;
407}
408
82467611
TI		 409#ifdef CONFIG_SND_HDA_GENERIC
410#define is_generic_config(codec) \
411 (codec->bus->modelname && !strcmp(codec->bus->modelname, "generic"))
412#else
413#define is_generic_config(codec) 0
414#endif
415
1da177e4
LT		 416/*
417 * find a matching codec preset
418 */
756e2b01
TI		 419static const struct hda_codec_preset __devinit *
420find_codec_preset(struct hda_codec *codec)
1da177e4
LT		 421{
422 const struct hda_codec_preset **tbl, *preset;
423
82467611 424 if (is_generic_config(codec))
d5ad630b
TI		 425 return NULL; /* use the generic parser */
426
1da177e4
LT		 427 for (tbl = hda_preset_tables; *tbl; tbl++) {
428 for (preset = *tbl; preset->id; preset++) {
429 u32 mask = preset->mask;
0ba21762 430 if (!mask)
1da177e4 431 mask = ~0;
9c7f852e 432 if (preset->id == (codec->vendor_id & mask) &&
0ba21762 433 (!preset->rev ||
9c7f852e 434 preset->rev == codec->revision_id))
1da177e4
LT		 435 return preset;
436 }
437 }
438 return NULL;
439}
440
441/*
442 * snd_hda_get_codec_name - store the codec name
443 */
444void snd_hda_get_codec_name(struct hda_codec *codec,
445 char *name, int namelen)
446{
447 const struct hda_vendor_id *c;
448 const char *vendor = NULL;
449 u16 vendor_id = codec->vendor_id >> 16;
450 char tmp[16];
451
452 for (c = hda_vendor_ids; c->id; c++) {
453 if (c->id == vendor_id) {
454 vendor = c->name;
455 break;
456 }
457 }
0ba21762 458 if (!vendor) {
1da177e4
LT		 459 sprintf(tmp, "Generic %04x", vendor_id);
460 vendor = tmp;
461 }
462 if (codec->preset && codec->preset->name)
463 snprintf(name, namelen, "%s %s", vendor, codec->preset->name);
464 else
0ba21762
TI		 465 snprintf(name, namelen, "%s ID %x", vendor,
466 codec->vendor_id & 0xffff);
1da177e4
LT		 467}
468
469/*
673b683a 470 * look for an AFG and MFG nodes
1da177e4 471 */
756e2b01 472static void __devinit setup_fg_nodes(struct hda_codec *codec)
1da177e4
LT		 473{
474 int i, total_nodes;
475 hda_nid_t nid;
476
477 total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
478 for (i = 0; i < total_nodes; i++, nid++) {
0ba21762
TI		 479 unsigned int func;
480 func = snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE);
481 switch (func & 0xff) {
673b683a
SK		 482 case AC_GRP_AUDIO_FUNCTION:
483 codec->afg = nid;
484 break;
485 case AC_GRP_MODEM_FUNCTION:
486 codec->mfg = nid;
487 break;
488 default:
489 break;
490 }
1da177e4 491 }
1da177e4
LT		 492}
493
54d17403
TI		 494/*
495 * read widget caps for each widget and store in cache
496 */
497static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
498{
499 int i;
500 hda_nid_t nid;
501
502 codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node,
503 &codec->start_nid);
504 codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL);
0ba21762 505 if (!codec->wcaps)
54d17403
TI		 506 return -ENOMEM;
507 nid = codec->start_nid;
508 for (i = 0; i < codec->num_nodes; i++, nid++)
509 codec->wcaps[i] = snd_hda_param_read(codec, nid,
510 AC_PAR_AUDIO_WIDGET_CAP);
511 return 0;
512}
513
514
01751f54
TI		 515static void init_hda_cache(struct hda_cache_rec *cache,
516 unsigned int record_size);
1fcaee6e 517static void free_hda_cache(struct hda_cache_rec *cache);
01751f54 518
1da177e4
LT		 519/*
520 * codec destructor
521 */
522static void snd_hda_codec_free(struct hda_codec *codec)
523{
0ba21762 524 if (!codec)
1da177e4 525 return;
cb53c626
TI		 526#ifdef CONFIG_SND_HDA_POWER_SAVE
527 cancel_delayed_work(&codec->power_work);
2525fdc4 528 flush_scheduled_work();
cb53c626 529#endif
1da177e4
LT		 530 list_del(&codec->list);
531 codec->bus->caddr_tbl[codec->addr] = NULL;
532 if (codec->patch_ops.free)
533 codec->patch_ops.free(codec);
01751f54 534 free_hda_cache(&codec->amp_cache);
b3ac5636 535 free_hda_cache(&codec->cmd_cache);
54d17403 536 kfree(codec->wcaps);
1da177e4
LT		 537 kfree(codec);
538}
539
1da177e4
LT		 540/**
541 * snd_hda_codec_new - create a HDA codec
542 * @bus: the bus to assign
543 * @codec_addr: the codec address
544 * @codecp: the pointer to store the generated codec
545 *
546 * Returns 0 if successful, or a negative error code.
547 */
756e2b01
TI		 548int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
549 struct hda_codec **codecp)
1da177e4
LT		 550{
551 struct hda_codec *codec;
552 char component[13];
553 int err;
554
555 snd_assert(bus, return -EINVAL);
556 snd_assert(codec_addr <= HDA_MAX_CODEC_ADDRESS, return -EINVAL);
557
558 if (bus->caddr_tbl[codec_addr]) {
0ba21762
TI		 559 snd_printk(KERN_ERR "hda_codec: "
560 "address 0x%x is already occupied\n", codec_addr);
1da177e4
LT		 561 return -EBUSY;
562 }
563
e560d8d8 564 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
1da177e4
LT		 565 if (codec == NULL) {
566 snd_printk(KERN_ERR "can't allocate struct hda_codec\n");
567 return -ENOMEM;
568 }
569
570 codec->bus = bus;
571 codec->addr = codec_addr;
62932df8 572 mutex_init(&codec->spdif_mutex);
01751f54 573 init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
b3ac5636 574 init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
1da177e4 575
cb53c626
TI		 576#ifdef CONFIG_SND_HDA_POWER_SAVE
577 INIT_DELAYED_WORK(&codec->power_work, hda_power_work);
578 /* snd_hda_codec_new() marks the codec as power-up, and leave it as is.
579 * the caller has to power down appropriatley after initialization
580 * phase.
581 */
582 hda_keep_power_on(codec);
583#endif
584
1da177e4
LT		 585 list_add_tail(&codec->list, &bus->codec_list);
586 bus->caddr_tbl[codec_addr] = codec;
587
0ba21762
TI		 588 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
589 AC_PAR_VENDOR_ID);
111d3af5
TI		 590 if (codec->vendor_id == -1)
591 /* read again, hopefully the access method was corrected
592 * in the last read...
593 */
594 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
595 AC_PAR_VENDOR_ID);
0ba21762
TI		 596 codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT,
597 AC_PAR_SUBSYSTEM_ID);
598 codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT,
599 AC_PAR_REV_ID);
1da177e4 600
673b683a 601 setup_fg_nodes(codec);
0ba21762 602 if (!codec->afg && !codec->mfg) {
673b683a 603 snd_printdd("hda_codec: no AFG or MFG node found\n");
1da177e4
LT		 604 snd_hda_codec_free(codec);
605 return -ENODEV;
606 }
607
54d17403
TI		 608 if (read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg) < 0) {
609 snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
610 snd_hda_codec_free(codec);
611 return -ENOMEM;
612 }
613
0ba21762 614 if (!codec->subsystem_id) {
86284e45 615 hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
0ba21762
TI		 616 codec->subsystem_id =
617 snd_hda_codec_read(codec, nid, 0,
618 AC_VERB_GET_SUBSYSTEM_ID, 0);
86284e45
TI		 619 }
620
d5ad630b 621 codec->preset = find_codec_preset(codec);
43ea1d47
TI		 622 /* audio codec should override the mixer name */
623 if (codec->afg || !*bus->card->mixername)
1da177e4
LT		 624 snd_hda_get_codec_name(codec, bus->card->mixername,
625 sizeof(bus->card->mixername));
626
82467611
TI		 627#ifdef CONFIG_SND_HDA_GENERIC
628 if (is_generic_config(codec)) {
1da177e4 629 err = snd_hda_parse_generic_codec(codec);
82467611
TI		 630 goto patched;
631 }
632#endif
633 if (codec->preset && codec->preset->patch) {
634 err = codec->preset->patch(codec);
635 goto patched;
636 }
637
638 /* call the default parser */
639#ifdef CONFIG_SND_HDA_GENERIC
640 err = snd_hda_parse_generic_codec(codec);
641#else
642 printk(KERN_ERR "hda-codec: No codec parser is available\n");
643 err = -ENODEV;
644#endif
645
646 patched:
1da177e4
LT		 647 if (err < 0) {
648 snd_hda_codec_free(codec);
649 return err;
650 }
651
9f146bb6
TI		 652 if (codec->patch_ops.unsol_event)
653 init_unsol_queue(bus);
654
1da177e4 655 snd_hda_codec_proc_new(codec);
2807314d
TI		 656#ifdef CONFIG_SND_HDA_HWDEP
657 snd_hda_create_hwdep(codec);
658#endif
1da177e4
LT		 659
660 sprintf(component, "HDA:%08x", codec->vendor_id);
661 snd_component_add(codec->bus->card, component);
662
663 if (codecp)
664 *codecp = codec;
665 return 0;
666}
667
668/**
669 * snd_hda_codec_setup_stream - set up the codec for streaming
670 * @codec: the CODEC to set up
671 * @nid: the NID to set up
672 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
673 * @channel_id: channel id to pass, zero based.
674 * @format: stream format.
675 */
0ba21762
TI		 676void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
677 u32 stream_tag,
1da177e4
LT		 678 int channel_id, int format)
679{
0ba21762 680 if (!nid)
d21b37ea
TI		 681 return;
682
0ba21762
TI		 683 snd_printdd("hda_codec_setup_stream: "
684 "NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
1da177e4
LT		 685 nid, stream_tag, channel_id, format);
686 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID,
687 (stream_tag << 4) | channel_id);
688 msleep(1);
689 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
690}
691
1da177e4
LT		 692/*
693 * amp access functions
694 */
695
4a19faee
TI		 696/* FIXME: more better hash key? */
697#define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
1da177e4 698#define INFO_AMP_CAPS (1<<0)
4a19faee 699#define INFO_AMP_VOL(ch) (1 << (1 + (ch)))
1da177e4
LT		 700
701/* initialize the hash table */
01751f54
TI		 702static void __devinit init_hda_cache(struct hda_cache_rec *cache,
703 unsigned int record_size)
704{
705 memset(cache, 0, sizeof(*cache));
706 memset(cache->hash, 0xff, sizeof(cache->hash));
707 cache->record_size = record_size;
708}
709
1fcaee6e 710static void free_hda_cache(struct hda_cache_rec *cache)
1da177e4 711{
01751f54 712 kfree(cache->buffer);
1da177e4
LT		 713}
714
715/* query the hash. allocate an entry if not found. */
01751f54
TI		 716static struct hda_cache_head *get_alloc_hash(struct hda_cache_rec *cache,
717 u32 key)
1da177e4 718{
01751f54
TI		 719 u16 idx = key % (u16)ARRAY_SIZE(cache->hash);
720 u16 cur = cache->hash[idx];
721 struct hda_cache_head *info;
1da177e4
LT		 722
723 while (cur != 0xffff) {
01751f54
TI		 724 info = (struct hda_cache_head *)(cache->buffer +
725 cur * cache->record_size);
1da177e4
LT		 726 if (info->key == key)
727 return info;
728 cur = info->next;
729 }
730
731 /* add a new hash entry */
01751f54 732 if (cache->num_entries >= cache->size) {
d031166f 733 /* reallocate the array */
01751f54
TI		 734 unsigned int new_size = cache->size + 64;
735 void *new_buffer;
736 new_buffer = kcalloc(new_size, cache->record_size, GFP_KERNEL);
737 if (!new_buffer) {
0ba21762
TI		 738 snd_printk(KERN_ERR "hda_codec: "
739 "can't malloc amp_info\n");
d031166f
TI		 740 return NULL;
741 }
01751f54
TI		 742 if (cache->buffer) {
743 memcpy(new_buffer, cache->buffer,
744 cache->size * cache->record_size);
745 kfree(cache->buffer);
d031166f 746 }
01751f54
TI		 747 cache->size = new_size;
748 cache->buffer = new_buffer;
1da177e4 749 }
01751f54
TI		 750 cur = cache->num_entries++;
751 info = (struct hda_cache_head *)(cache->buffer +
752 cur * cache->record_size);
1da177e4 753 info->key = key;
01751f54
TI		 754 info->val = 0;
755 info->next = cache->hash[idx];
756 cache->hash[idx] = cur;
1da177e4
LT		 757
758 return info;
759}
760
01751f54
TI		 761/* query and allocate an amp hash entry */
762static inline struct hda_amp_info *
763get_alloc_amp_hash(struct hda_codec *codec, u32 key)
764{
765 return (struct hda_amp_info *)get_alloc_hash(&codec->amp_cache, key);
766}
767
1da177e4
LT		 768/*
769 * query AMP capabilities for the given widget and direction
770 */
771static u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
772{
0ba21762 773 struct hda_amp_info *info;
1da177e4 774
0ba21762
TI		 775 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0));
776 if (!info)
1da177e4 777 return 0;
01751f54 778 if (!(info->head.val & INFO_AMP_CAPS)) {
0ba21762 779 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
1da177e4 780 nid = codec->afg;
0ba21762
TI		 781 info->amp_caps = snd_hda_param_read(codec, nid,
782 direction == HDA_OUTPUT ?
783 AC_PAR_AMP_OUT_CAP :
784 AC_PAR_AMP_IN_CAP);
b75e53f0 785 if (info->amp_caps)
01751f54 786 info->head.val |= INFO_AMP_CAPS;
1da177e4
LT		 787 }
788 return info->amp_caps;
789}
790
897cc188
TI		 791int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
792 unsigned int caps)
793{
794 struct hda_amp_info *info;
795
796 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, dir, 0));
797 if (!info)
798 return -EINVAL;
799 info->amp_caps = caps;
01751f54 800 info->head.val |= INFO_AMP_CAPS;
897cc188
TI		 801 return 0;
802}
803
1da177e4
LT		 804/*
805 * read the current volume to info
4a19faee 806 * if the cache exists, read the cache value.
1da177e4 807 */
0ba21762
TI		 808static unsigned int get_vol_mute(struct hda_codec *codec,
809 struct hda_amp_info *info, hda_nid_t nid,
810 int ch, int direction, int index)
1da177e4
LT		 811{
812 u32 val, parm;
813
01751f54 814 if (info->head.val & INFO_AMP_VOL(ch))
4a19faee 815 return info->vol[ch];
1da177e4
LT		 816
817 parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
818 parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
819 parm |= index;
0ba21762
TI		 820 val = snd_hda_codec_read(codec, nid, 0,
821 AC_VERB_GET_AMP_GAIN_MUTE, parm);
1da177e4 822 info->vol[ch] = val & 0xff;
01751f54 823 info->head.val |= INFO_AMP_VOL(ch);
4a19faee 824 return info->vol[ch];
1da177e4
LT		 825}
826
827/*
4a19faee 828 * write the current volume in info to the h/w and update the cache
1da177e4 829 */
4a19faee 830static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
0ba21762
TI		 831 hda_nid_t nid, int ch, int direction, int index,
832 int val)
1da177e4
LT		 833{
834 u32 parm;
835
836 parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
837 parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
838 parm |= index << AC_AMP_SET_INDEX_SHIFT;
839 parm |= val;
840 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
4a19faee 841 info->vol[ch] = val;
1da177e4
LT		 842}
843
844/*
4a19faee 845 * read AMP value. The volume is between 0 to 0x7f, 0x80 = mute bit.
1da177e4 846 */
834be88d
TI		 847int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
848 int direction, int index)
1da177e4 849{
0ba21762
TI		 850 struct hda_amp_info *info;
851 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
852 if (!info)
1da177e4 853 return 0;
4a19faee 854 return get_vol_mute(codec, info, nid, ch, direction, index);
1da177e4
LT		 855}
856
4a19faee
TI		 857/*
858 * update the AMP value, mask = bit mask to set, val = the value
859 */
834be88d
TI		 860int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
861 int direction, int idx, int mask, int val)
1da177e4 862{
0ba21762 863 struct hda_amp_info *info;
4a19faee 864
0ba21762
TI		 865 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx));
866 if (!info)
1da177e4 867 return 0;
4a19faee
TI		 868 val &= mask;
869 val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask;
82beb8fd 870 if (info->vol[ch] == val)
1da177e4 871 return 0;
4a19faee 872 put_vol_mute(codec, info, nid, ch, direction, idx, val);
1da177e4
LT		 873 return 1;
874}
875
47fd830a
TI		 876/*
877 * update the AMP stereo with the same mask and value
878 */
879int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
880 int direction, int idx, int mask, int val)
881{
882 int ch, ret = 0;
883 for (ch = 0; ch < 2; ch++)
884 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
885 idx, mask, val);
886 return ret;
887}
888
cb53c626 889#ifdef SND_HDA_NEEDS_RESUME
b3ac5636
TI		 890/* resume the all amp commands from the cache */
891void snd_hda_codec_resume_amp(struct hda_codec *codec)
892{
893 struct hda_amp_info *buffer = codec->amp_cache.buffer;
894 int i;
895
896 for (i = 0; i < codec->amp_cache.size; i++, buffer++) {
897 u32 key = buffer->head.key;
898 hda_nid_t nid;
899 unsigned int idx, dir, ch;
900 if (!key)
901 continue;
902 nid = key & 0xff;
903 idx = (key >> 16) & 0xff;
904 dir = (key >> 24) & 0xff;
905 for (ch = 0; ch < 2; ch++) {
906 if (!(buffer->head.val & INFO_AMP_VOL(ch)))
907 continue;
908 put_vol_mute(codec, buffer, nid, ch, dir, idx,
909 buffer->vol[ch]);
910 }
911 }
912}
cb53c626 913#endif /* SND_HDA_NEEDS_RESUME */
1da177e4
LT		 914
915/*
916 * AMP control callbacks
917 */
918/* retrieve parameters from private_value */
919#define get_amp_nid(kc) ((kc)->private_value & 0xffff)
920#define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3)
921#define get_amp_direction(kc) (((kc)->private_value >> 18) & 0x1)
922#define get_amp_index(kc) (((kc)->private_value >> 19) & 0xf)
923
924/* volume */
0ba21762
TI		 925int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
926 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 927{
928 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
929 u16 nid = get_amp_nid(kcontrol);
930 u8 chs = get_amp_channels(kcontrol);
931 int dir = get_amp_direction(kcontrol);
932 u32 caps;
933
934 caps = query_amp_caps(codec, nid, dir);
0ba21762
TI		 935 /* num steps */
936 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
937 if (!caps) {
938 printk(KERN_WARNING "hda_codec: "
939 "num_steps = 0 for NID=0x%x\n", nid);
1da177e4
LT		 940 return -EINVAL;
941 }
942 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
943 uinfo->count = chs == 3 ? 2 : 1;
944 uinfo->value.integer.min = 0;
945 uinfo->value.integer.max = caps;
946 return 0;
947}
948
0ba21762
TI		 949int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
950 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 951{
952 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
953 hda_nid_t nid = get_amp_nid(kcontrol);
954 int chs = get_amp_channels(kcontrol);
955 int dir = get_amp_direction(kcontrol);
956 int idx = get_amp_index(kcontrol);
957 long *valp = ucontrol->value.integer.value;
958
959 if (chs & 1)
47fd830a
TI		 960 *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx)
961 & HDA_AMP_VOLMASK;
1da177e4 962 if (chs & 2)
47fd830a
TI		 963 *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx)
964 & HDA_AMP_VOLMASK;
1da177e4
LT		 965 return 0;
966}
967
0ba21762
TI		 968int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
969 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 970{
971 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
972 hda_nid_t nid = get_amp_nid(kcontrol);
973 int chs = get_amp_channels(kcontrol);
974 int dir = get_amp_direction(kcontrol);
975 int idx = get_amp_index(kcontrol);
1da177e4
LT		 976 long *valp = ucontrol->value.integer.value;
977 int change = 0;
978
cb53c626 979 snd_hda_power_up(codec);
b9f5a89c 980 if (chs & 1) {
4a19faee
TI		 981 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
982 0x7f, *valp);
b9f5a89c
NG		 983 valp++;
984 }
4a19faee
TI		 985 if (chs & 2)
986 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
b9f5a89c 987 0x7f, *valp);
cb53c626 988 snd_hda_power_down(codec);
1da177e4
LT		 989 return change;
990}
991
302e9c5a
JK		 992int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
993 unsigned int size, unsigned int __user *_tlv)
994{
995 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
996 hda_nid_t nid = get_amp_nid(kcontrol);
997 int dir = get_amp_direction(kcontrol);
998 u32 caps, val1, val2;
999
1000 if (size < 4 * sizeof(unsigned int))
1001 return -ENOMEM;
1002 caps = query_amp_caps(codec, nid, dir);
0ba21762
TI		 1003 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1004 val2 = (val2 + 1) * 25;
302e9c5a
JK		 1005 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1006 val1 = ((int)val1) * ((int)val2);
302e9c5a
JK		 1007 if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
1008 return -EFAULT;
1009 if (put_user(2 * sizeof(unsigned int), _tlv + 1))
1010 return -EFAULT;
1011 if (put_user(val1, _tlv + 2))
1012 return -EFAULT;
1013 if (put_user(val2, _tlv + 3))
1014 return -EFAULT;
1015 return 0;
1016}
1017
1da177e4 1018/* switch */
0ba21762
TI		 1019int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
1020 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 1021{
1022 int chs = get_amp_channels(kcontrol);
1023
1024 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1025 uinfo->count = chs == 3 ? 2 : 1;
1026 uinfo->value.integer.min = 0;
1027 uinfo->value.integer.max = 1;
1028 return 0;
1029}
1030
0ba21762
TI		 1031int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
1032 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1033{
1034 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1035 hda_nid_t nid = get_amp_nid(kcontrol);
1036 int chs = get_amp_channels(kcontrol);
1037 int dir = get_amp_direction(kcontrol);
1038 int idx = get_amp_index(kcontrol);
1039 long *valp = ucontrol->value.integer.value;
1040
1041 if (chs & 1)
0ba21762 1042 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
47fd830a 1043 HDA_AMP_MUTE) ? 0 : 1;
1da177e4 1044 if (chs & 2)
0ba21762 1045 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
47fd830a 1046 HDA_AMP_MUTE) ? 0 : 1;
1da177e4
LT		 1047 return 0;
1048}
1049
0ba21762
TI		 1050int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
1051 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1052{
1053 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1054 hda_nid_t nid = get_amp_nid(kcontrol);
1055 int chs = get_amp_channels(kcontrol);
1056 int dir = get_amp_direction(kcontrol);
1057 int idx = get_amp_index(kcontrol);
1da177e4
LT		 1058 long *valp = ucontrol->value.integer.value;
1059 int change = 0;
1060
cb53c626 1061 snd_hda_power_up(codec);
b9f5a89c 1062 if (chs & 1) {
4a19faee 1063 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
47fd830a
TI		 1064 HDA_AMP_MUTE,
1065 *valp ? 0 : HDA_AMP_MUTE);
b9f5a89c
NG		 1066 valp++;
1067 }
4a19faee
TI		 1068 if (chs & 2)
1069 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
47fd830a
TI		 1070 HDA_AMP_MUTE,
1071 *valp ? 0 : HDA_AMP_MUTE);
cb53c626
TI		 1072#ifdef CONFIG_SND_HDA_POWER_SAVE
1073 if (codec->patch_ops.check_power_status)
1074 codec->patch_ops.check_power_status(codec, nid);
1075#endif
1076 snd_hda_power_down(codec);
1da177e4
LT		 1077 return change;
1078}
1079
985be54b
TI		 1080/*
1081 * bound volume controls
1082 *
1083 * bind multiple volumes (# indices, from 0)
1084 */
1085
1086#define AMP_VAL_IDX_SHIFT 19
1087#define AMP_VAL_IDX_MASK (0x0f<<19)
1088
0ba21762
TI		 1089int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
1090 struct snd_ctl_elem_value *ucontrol)
985be54b
TI		 1091{
1092 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1093 unsigned long pval;
1094 int err;
1095
62932df8 1096 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
985be54b
TI		 1097 pval = kcontrol->private_value;
1098 kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
1099 err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
1100 kcontrol->private_value = pval;
62932df8 1101 mutex_unlock(&codec->spdif_mutex);
985be54b
TI		 1102 return err;
1103}
1104
0ba21762
TI		 1105int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
1106 struct snd_ctl_elem_value *ucontrol)
985be54b
TI		 1107{
1108 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1109 unsigned long pval;
1110 int i, indices, err = 0, change = 0;
1111
62932df8 1112 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
985be54b
TI		 1113 pval = kcontrol->private_value;
1114 indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
1115 for (i = 0; i < indices; i++) {
0ba21762
TI		 1116 kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) |
1117 (i << AMP_VAL_IDX_SHIFT);
985be54b
TI		 1118 err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
1119 if (err < 0)
1120 break;
1121 change |= err;
1122 }
1123 kcontrol->private_value = pval;
62932df8 1124 mutex_unlock(&codec->spdif_mutex);
985be54b
TI		 1125 return err < 0 ? err : change;
1126}
1127
532d5381
TI		 1128/*
1129 * generic bound volume/swtich controls
1130 */
1131int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
1132 struct snd_ctl_elem_info *uinfo)
1133{
1134 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1135 struct hda_bind_ctls *c;
1136 int err;
1137
1138 c = (struct hda_bind_ctls *)kcontrol->private_value;
1139 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1140 kcontrol->private_value = *c->values;
1141 err = c->ops->info(kcontrol, uinfo);
1142 kcontrol->private_value = (long)c;
1143 mutex_unlock(&codec->spdif_mutex);
1144 return err;
1145}
1146
1147int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
1148 struct snd_ctl_elem_value *ucontrol)
1149{
1150 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1151 struct hda_bind_ctls *c;
1152 int err;
1153
1154 c = (struct hda_bind_ctls *)kcontrol->private_value;
1155 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1156 kcontrol->private_value = *c->values;
1157 err = c->ops->get(kcontrol, ucontrol);
1158 kcontrol->private_value = (long)c;
1159 mutex_unlock(&codec->spdif_mutex);
1160 return err;
1161}
1162
1163int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
1164 struct snd_ctl_elem_value *ucontrol)
1165{
1166 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1167 struct hda_bind_ctls *c;
1168 unsigned long *vals;
1169 int err = 0, change = 0;
1170
1171 c = (struct hda_bind_ctls *)kcontrol->private_value;
1172 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1173 for (vals = c->values; *vals; vals++) {
1174 kcontrol->private_value = *vals;
1175 err = c->ops->put(kcontrol, ucontrol);
1176 if (err < 0)
1177 break;
1178 change |= err;
1179 }
1180 kcontrol->private_value = (long)c;
1181 mutex_unlock(&codec->spdif_mutex);
1182 return err < 0 ? err : change;
1183}
1184
1185int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1186 unsigned int size, unsigned int __user *tlv)
1187{
1188 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1189 struct hda_bind_ctls *c;
1190 int err;
1191
1192 c = (struct hda_bind_ctls *)kcontrol->private_value;
1193 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1194 kcontrol->private_value = *c->values;
1195 err = c->ops->tlv(kcontrol, op_flag, size, tlv);
1196 kcontrol->private_value = (long)c;
1197 mutex_unlock(&codec->spdif_mutex);
1198 return err;
1199}
1200
1201struct hda_ctl_ops snd_hda_bind_vol = {
1202 .info = snd_hda_mixer_amp_volume_info,
1203 .get = snd_hda_mixer_amp_volume_get,
1204 .put = snd_hda_mixer_amp_volume_put,
1205 .tlv = snd_hda_mixer_amp_tlv
1206};
1207
1208struct hda_ctl_ops snd_hda_bind_sw = {
1209 .info = snd_hda_mixer_amp_switch_info,
1210 .get = snd_hda_mixer_amp_switch_get,
1211 .put = snd_hda_mixer_amp_switch_put,
1212 .tlv = snd_hda_mixer_amp_tlv
1213};
1214
1da177e4
LT		 1215/*
1216 * SPDIF out controls
1217 */
1218
0ba21762
TI		 1219static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
1220 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 1221{
1222 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1223 uinfo->count = 1;
1224 return 0;
1225}
1226
0ba21762
TI		 1227static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
1228 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1229{
1230 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1231 IEC958_AES0_NONAUDIO |
1232 IEC958_AES0_CON_EMPHASIS_5015 |
1233 IEC958_AES0_CON_NOT_COPYRIGHT;
1234 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
1235 IEC958_AES1_CON_ORIGINAL;
1236 return 0;
1237}
1238
0ba21762
TI		 1239static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
1240 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1241{
1242 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1243 IEC958_AES0_NONAUDIO |
1244 IEC958_AES0_PRO_EMPHASIS_5015;
1245 return 0;
1246}
1247
0ba21762
TI		 1248static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
1249 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1250{
1251 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1252
1253 ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff;
1254 ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff;
1255 ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff;
1256 ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff;
1257
1258 return 0;
1259}
1260
1261/* convert from SPDIF status bits to HDA SPDIF bits
1262 * bit 0 (DigEn) is always set zero (to be filled later)
1263 */
1264static unsigned short convert_from_spdif_status(unsigned int sbits)
1265{
1266 unsigned short val = 0;
1267
1268 if (sbits & IEC958_AES0_PROFESSIONAL)
0ba21762 1269 val |= AC_DIG1_PROFESSIONAL;
1da177e4 1270 if (sbits & IEC958_AES0_NONAUDIO)
0ba21762 1271 val |= AC_DIG1_NONAUDIO;
1da177e4 1272 if (sbits & IEC958_AES0_PROFESSIONAL) {
0ba21762
TI		 1273 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
1274 IEC958_AES0_PRO_EMPHASIS_5015)
1275 val |= AC_DIG1_EMPHASIS;
1da177e4 1276 } else {
0ba21762
TI		 1277 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
1278 IEC958_AES0_CON_EMPHASIS_5015)
1279 val |= AC_DIG1_EMPHASIS;
1280 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
1281 val |= AC_DIG1_COPYRIGHT;
1da177e4 1282 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
0ba21762 1283 val |= AC_DIG1_LEVEL;
1da177e4
LT		 1284 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
1285 }
1286 return val;
1287}
1288
1289/* convert to SPDIF status bits from HDA SPDIF bits
1290 */
1291static unsigned int convert_to_spdif_status(unsigned short val)
1292{
1293 unsigned int sbits = 0;
1294
0ba21762 1295 if (val & AC_DIG1_NONAUDIO)
1da177e4 1296 sbits |= IEC958_AES0_NONAUDIO;
0ba21762 1297 if (val & AC_DIG1_PROFESSIONAL)
1da177e4
LT		 1298 sbits |= IEC958_AES0_PROFESSIONAL;
1299 if (sbits & IEC958_AES0_PROFESSIONAL) {
0ba21762 1300 if (sbits & AC_DIG1_EMPHASIS)
1da177e4
LT		 1301 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
1302 } else {
0ba21762 1303 if (val & AC_DIG1_EMPHASIS)
1da177e4 1304 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
0ba21762 1305 if (!(val & AC_DIG1_COPYRIGHT))
1da177e4 1306 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
0ba21762 1307 if (val & AC_DIG1_LEVEL)
1da177e4
LT		 1308 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
1309 sbits |= val & (0x7f << 8);
1310 }
1311 return sbits;
1312}
1313
0ba21762
TI		 1314static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
1315 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1316{
1317 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1318 hda_nid_t nid = kcontrol->private_value;
1319 unsigned short val;
1320 int change;
1321
62932df8 1322 mutex_lock(&codec->spdif_mutex);
1da177e4
LT		 1323 codec->spdif_status = ucontrol->value.iec958.status[0] |
1324 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
1325 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
1326 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
1327 val = convert_from_spdif_status(codec->spdif_status);
1328 val |= codec->spdif_ctls & 1;
1329 change = codec->spdif_ctls != val;
1330 codec->spdif_ctls = val;
1331
82beb8fd
TI		 1332 if (change) {
1333 snd_hda_codec_write_cache(codec, nid, 0,
1334 AC_VERB_SET_DIGI_CONVERT_1,
1335 val & 0xff);
1336 snd_hda_codec_write_cache(codec, nid, 0,
1337 AC_VERB_SET_DIGI_CONVERT_2,
1338 val >> 8);
1da177e4
LT		 1339 }
1340
62932df8 1341 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1342 return change;
1343}
1344
a5ce8890 1345#define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
1da177e4 1346
0ba21762
TI		 1347static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
1348 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1349{
1350 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1351
0ba21762 1352 ucontrol->value.integer.value[0] = codec->spdif_ctls & AC_DIG1_ENABLE;
1da177e4
LT		 1353 return 0;
1354}
1355
0ba21762
TI		 1356static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
1357 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1358{
1359 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1360 hda_nid_t nid = kcontrol->private_value;
1361 unsigned short val;
1362 int change;
1363
62932df8 1364 mutex_lock(&codec->spdif_mutex);
0ba21762 1365 val = codec->spdif_ctls & ~AC_DIG1_ENABLE;
1da177e4 1366 if (ucontrol->value.integer.value[0])
0ba21762 1367 val |= AC_DIG1_ENABLE;
1da177e4 1368 change = codec->spdif_ctls != val;
82beb8fd 1369 if (change) {
1da177e4 1370 codec->spdif_ctls = val;
82beb8fd
TI		 1371 snd_hda_codec_write_cache(codec, nid, 0,
1372 AC_VERB_SET_DIGI_CONVERT_1,
1373 val & 0xff);
0ba21762
TI		 1374 /* unmute amp switch (if any) */
1375 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
47fd830a
TI		 1376 (val & AC_DIG1_ENABLE))
1377 snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
1378 HDA_AMP_MUTE, 0);
1da177e4 1379 }
62932df8 1380 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1381 return change;
1382}
1383
c8b6bf9b 1384static struct snd_kcontrol_new dig_mixes[] = {
1da177e4
LT		 1385 {
1386 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1387 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1388 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1389 .info = snd_hda_spdif_mask_info,
1390 .get = snd_hda_spdif_cmask_get,
1391 },
1392 {
1393 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1394 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1395 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1396 .info = snd_hda_spdif_mask_info,
1397 .get = snd_hda_spdif_pmask_get,
1398 },
1399 {
1400 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1401 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1402 .info = snd_hda_spdif_mask_info,
1403 .get = snd_hda_spdif_default_get,
1404 .put = snd_hda_spdif_default_put,
1405 },
1406 {
1407 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1408 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1409 .info = snd_hda_spdif_out_switch_info,
1410 .get = snd_hda_spdif_out_switch_get,
1411 .put = snd_hda_spdif_out_switch_put,
1412 },
1413 { } /* end */
1414};
1415
1416/**
1417 * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1418 * @codec: the HDA codec
1419 * @nid: audio out widget NID
1420 *
1421 * Creates controls related with the SPDIF output.
1422 * Called from each patch supporting the SPDIF out.
1423 *
1424 * Returns 0 if successful, or a negative error code.
1425 */
12f288bf 1426int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid)
1da177e4
LT		 1427{
1428 int err;
c8b6bf9b
TI		 1429 struct snd_kcontrol *kctl;
1430 struct snd_kcontrol_new *dig_mix;
1da177e4
LT		 1431
1432 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
1433 kctl = snd_ctl_new1(dig_mix, codec);
1434 kctl->private_value = nid;
0ba21762
TI		 1435 err = snd_ctl_add(codec->bus->card, kctl);
1436 if (err < 0)
1da177e4
LT		 1437 return err;
1438 }
0ba21762
TI		 1439 codec->spdif_ctls =
1440 snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0);
1da177e4
LT		 1441 codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
1442 return 0;
1443}
1444
1445/*
1446 * SPDIF input
1447 */
1448
1449#define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
1450
0ba21762
TI		 1451static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
1452 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1453{
1454 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1455
1456 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
1457 return 0;
1458}
1459
0ba21762
TI		 1460static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
1461 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1462{
1463 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1464 hda_nid_t nid = kcontrol->private_value;
1465 unsigned int val = !!ucontrol->value.integer.value[0];
1466 int change;
1467
62932df8 1468 mutex_lock(&codec->spdif_mutex);
1da177e4 1469 change = codec->spdif_in_enable != val;
82beb8fd 1470 if (change) {
1da177e4 1471 codec->spdif_in_enable = val;
82beb8fd
TI		 1472 snd_hda_codec_write_cache(codec, nid, 0,
1473 AC_VERB_SET_DIGI_CONVERT_1, val);
1da177e4 1474 }
62932df8 1475 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1476 return change;
1477}
1478
0ba21762
TI		 1479static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
1480 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1481{
1482 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1483 hda_nid_t nid = kcontrol->private_value;
1484 unsigned short val;
1485 unsigned int sbits;
1486
1487 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0);
1488 sbits = convert_to_spdif_status(val);
1489 ucontrol->value.iec958.status[0] = sbits;
1490 ucontrol->value.iec958.status[1] = sbits >> 8;
1491 ucontrol->value.iec958.status[2] = sbits >> 16;
1492 ucontrol->value.iec958.status[3] = sbits >> 24;
1493 return 0;
1494}
1495
c8b6bf9b 1496static struct snd_kcontrol_new dig_in_ctls[] = {
1da177e4
LT		 1497 {
1498 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1499 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
1500 .info = snd_hda_spdif_in_switch_info,
1501 .get = snd_hda_spdif_in_switch_get,
1502 .put = snd_hda_spdif_in_switch_put,
1503 },
1504 {
1505 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1506 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1507 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1508 .info = snd_hda_spdif_mask_info,
1509 .get = snd_hda_spdif_in_status_get,
1510 },
1511 { } /* end */
1512};
1513
1514/**
1515 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1516 * @codec: the HDA codec
1517 * @nid: audio in widget NID
1518 *
1519 * Creates controls related with the SPDIF input.
1520 * Called from each patch supporting the SPDIF in.
1521 *
1522 * Returns 0 if successful, or a negative error code.
1523 */
12f288bf 1524int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
1da177e4
LT		 1525{
1526 int err;
c8b6bf9b
TI		 1527 struct snd_kcontrol *kctl;
1528 struct snd_kcontrol_new *dig_mix;
1da177e4
LT		 1529
1530 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
1531 kctl = snd_ctl_new1(dig_mix, codec);
1532 kctl->private_value = nid;
0ba21762
TI		 1533 err = snd_ctl_add(codec->bus->card, kctl);
1534 if (err < 0)
1da177e4
LT		 1535 return err;
1536 }
0ba21762
TI		 1537 codec->spdif_in_enable =
1538 snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0) &
1539 AC_DIG1_ENABLE;
1da177e4
LT		 1540 return 0;
1541}
1542
cb53c626 1543#ifdef SND_HDA_NEEDS_RESUME
82beb8fd
TI		 1544/*
1545 * command cache
1546 */
1da177e4 1547
b3ac5636
TI		 1548/* build a 32bit cache key with the widget id and the command parameter */
1549#define build_cmd_cache_key(nid, verb) ((verb << 8) | nid)
1550#define get_cmd_cache_nid(key) ((key) & 0xff)
1551#define get_cmd_cache_cmd(key) (((key) >> 8) & 0xffff)
1552
1553/**
1554 * snd_hda_codec_write_cache - send a single command with caching
1555 * @codec: the HDA codec
1556 * @nid: NID to send the command
1557 * @direct: direct flag
1558 * @verb: the verb to send
1559 * @parm: the parameter for the verb
1560 *
1561 * Send a single command without waiting for response.
1562 *
1563 * Returns 0 if successful, or a negative error code.
1564 */
1565int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
1566 int direct, unsigned int verb, unsigned int parm)
1567{
1568 int err;
cb53c626 1569 snd_hda_power_up(codec);
b3ac5636
TI		 1570 mutex_lock(&codec->bus->cmd_mutex);
1571 err = codec->bus->ops.command(codec, nid, direct, verb, parm);
1572 if (!err) {
1573 struct hda_cache_head *c;
1574 u32 key = build_cmd_cache_key(nid, verb);
1575 c = get_alloc_hash(&codec->cmd_cache, key);
1576 if (c)
1577 c->val = parm;
1578 }
1579 mutex_unlock(&codec->bus->cmd_mutex);
cb53c626 1580 snd_hda_power_down(codec);
b3ac5636
TI		 1581 return err;
1582}
1583
1584/* resume the all commands from the cache */
1585void snd_hda_codec_resume_cache(struct hda_codec *codec)
1586{
1587 struct hda_cache_head *buffer = codec->cmd_cache.buffer;
1588 int i;
1589
1590 for (i = 0; i < codec->cmd_cache.size; i++, buffer++) {
1591 u32 key = buffer->key;
1592 if (!key)
1593 continue;
1594 snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0,
1595 get_cmd_cache_cmd(key), buffer->val);
1596 }
1597}
1598
1599/**
1600 * snd_hda_sequence_write_cache - sequence writes with caching
1601 * @codec: the HDA codec
1602 * @seq: VERB array to send
1603 *
1604 * Send the commands sequentially from the given array.
1605 * Thte commands are recorded on cache for power-save and resume.
1606 * The array must be terminated with NID=0.
1607 */
1608void snd_hda_sequence_write_cache(struct hda_codec *codec,
1609 const struct hda_verb *seq)
1610{
1611 for (; seq->nid; seq++)
1612 snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb,
1613 seq->param);
1614}
cb53c626 1615#endif /* SND_HDA_NEEDS_RESUME */
b3ac5636 1616
54d17403
TI		 1617/*
1618 * set power state of the codec
1619 */
1620static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
1621 unsigned int power_state)
1622{
cb53c626
TI		 1623 hda_nid_t nid;
1624 int i;
54d17403
TI		 1625
1626 snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE,
1627 power_state);
1628
cb53c626
TI		 1629 nid = codec->start_nid;
1630 for (i = 0; i < codec->num_nodes; i++, nid++) {
54d17403
TI		 1631 if (get_wcaps(codec, nid) & AC_WCAP_POWER)
1632 snd_hda_codec_write(codec, nid, 0,
1633 AC_VERB_SET_POWER_STATE,
1634 power_state);
1635 }
1636
cb53c626
TI		 1637 if (power_state == AC_PWRST_D0) {
1638 unsigned long end_time;
1639 int state;
54d17403 1640 msleep(10);
cb53c626
TI		 1641 /* wait until the codec reachs to D0 */
1642 end_time = jiffies + msecs_to_jiffies(500);
1643 do {
1644 state = snd_hda_codec_read(codec, fg, 0,
1645 AC_VERB_GET_POWER_STATE, 0);
1646 if (state == power_state)
1647 break;
1648 msleep(1);
1649 } while (time_after_eq(end_time, jiffies));
1650 }
1651}
1652
1653#ifdef SND_HDA_NEEDS_RESUME
1654/*
1655 * call suspend and power-down; used both from PM and power-save
1656 */
1657static void hda_call_codec_suspend(struct hda_codec *codec)
1658{
1659 if (codec->patch_ops.suspend)
1660 codec->patch_ops.suspend(codec, PMSG_SUSPEND);
1661 hda_set_power_state(codec,
1662 codec->afg ? codec->afg : codec->mfg,
1663 AC_PWRST_D3);
1664#ifdef CONFIG_SND_HDA_POWER_SAVE
1665 cancel_delayed_work(&codec->power_work);
95e99fda 1666 codec->power_on = 0;
a221e287 1667 codec->power_transition = 0;
cb53c626 1668#endif
54d17403
TI		 1669}
1670
cb53c626
TI		 1671/*
1672 * kick up codec; used both from PM and power-save
1673 */
1674static void hda_call_codec_resume(struct hda_codec *codec)
1675{
1676 hda_set_power_state(codec,
1677 codec->afg ? codec->afg : codec->mfg,
1678 AC_PWRST_D0);
1679 if (codec->patch_ops.resume)
1680 codec->patch_ops.resume(codec);
1681 else {
9d99f312
TI		 1682 if (codec->patch_ops.init)
1683 codec->patch_ops.init(codec);
cb53c626
TI		 1684 snd_hda_codec_resume_amp(codec);
1685 snd_hda_codec_resume_cache(codec);
1686 }
1687}
1688#endif /* SND_HDA_NEEDS_RESUME */
1689
54d17403 1690
1da177e4
LT		 1691/**
1692 * snd_hda_build_controls - build mixer controls
1693 * @bus: the BUS
1694 *
1695 * Creates mixer controls for each codec included in the bus.
1696 *
1697 * Returns 0 if successful, otherwise a negative error code.
1698 */
756e2b01 1699int __devinit snd_hda_build_controls(struct hda_bus *bus)
1da177e4 1700{
0ba21762 1701 struct hda_codec *codec;
1da177e4 1702
0ba21762 1703 list_for_each_entry(codec, &bus->codec_list, list) {
cb53c626
TI		 1704 int err = 0;
1705 /* fake as if already powered-on */
1706 hda_keep_power_on(codec);
1707 /* then fire up */
54d17403
TI		 1708 hda_set_power_state(codec,
1709 codec->afg ? codec->afg : codec->mfg,
1710 AC_PWRST_D0);
cb53c626
TI		 1711 /* continue to initialize... */
1712 if (codec->patch_ops.init)
1713 err = codec->patch_ops.init(codec);
1714 if (!err && codec->patch_ops.build_controls)
1715 err = codec->patch_ops.build_controls(codec);
1716 snd_hda_power_down(codec);
1da177e4
LT		 1717 if (err < 0)
1718 return err;
1719 }
cb53c626 1720
1da177e4
LT		 1721 return 0;
1722}
1723
1da177e4
LT		 1724/*
1725 * stream formats
1726 */
befdf316
TI		 1727struct hda_rate_tbl {
1728 unsigned int hz;
1729 unsigned int alsa_bits;
1730 unsigned int hda_fmt;
1731};
1732
1733static struct hda_rate_tbl rate_bits[] = {
1da177e4 1734 /* rate in Hz, ALSA rate bitmask, HDA format value */
9d8f53f2
NG		 1735
1736 /* autodetected value used in snd_hda_query_supported_pcm */
1da177e4
LT		 1737 { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
1738 { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
1739 { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
1740 { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
1741 { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
1742 { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
1743 { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
1744 { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
1745 { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
1746 { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
1747 { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
a961f9fe
TI		 1748#define AC_PAR_PCM_RATE_BITS 11
1749 /* up to bits 10, 384kHZ isn't supported properly */
1750
1751 /* not autodetected value */
1752 { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
9d8f53f2 1753
befdf316 1754 { 0 } /* terminator */
1da177e4
LT		 1755};
1756
1757/**
1758 * snd_hda_calc_stream_format - calculate format bitset
1759 * @rate: the sample rate
1760 * @channels: the number of channels
1761 * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
1762 * @maxbps: the max. bps
1763 *
1764 * Calculate the format bitset from the given rate, channels and th PCM format.
1765 *
1766 * Return zero if invalid.
1767 */
1768unsigned int snd_hda_calc_stream_format(unsigned int rate,
1769 unsigned int channels,
1770 unsigned int format,
1771 unsigned int maxbps)
1772{
1773 int i;
1774 unsigned int val = 0;
1775
befdf316
TI		 1776 for (i = 0; rate_bits[i].hz; i++)
1777 if (rate_bits[i].hz == rate) {
1778 val = rate_bits[i].hda_fmt;
1da177e4
LT		 1779 break;
1780 }
0ba21762 1781 if (!rate_bits[i].hz) {
1da177e4
LT		 1782 snd_printdd("invalid rate %d\n", rate);
1783 return 0;
1784 }
1785
1786 if (channels == 0 || channels > 8) {
1787 snd_printdd("invalid channels %d\n", channels);
1788 return 0;
1789 }
1790 val |= channels - 1;
1791
1792 switch (snd_pcm_format_width(format)) {
1793 case 8: val |= 0x00; break;
1794 case 16: val |= 0x10; break;
1795 case 20:
1796 case 24:
1797 case 32:
1798 if (maxbps >= 32)
1799 val |= 0x40;
1800 else if (maxbps >= 24)
1801 val |= 0x30;
1802 else
1803 val |= 0x20;
1804 break;
1805 default:
0ba21762
TI		 1806 snd_printdd("invalid format width %d\n",
1807 snd_pcm_format_width(format));
1da177e4
LT		 1808 return 0;
1809 }
1810
1811 return val;
1812}
1813
1814/**
1815 * snd_hda_query_supported_pcm - query the supported PCM rates and formats
1816 * @codec: the HDA codec
1817 * @nid: NID to query
1818 * @ratesp: the pointer to store the detected rate bitflags
1819 * @formatsp: the pointer to store the detected formats
1820 * @bpsp: the pointer to store the detected format widths
1821 *
1822 * Queries the supported PCM rates and formats. The NULL @ratesp, @formatsp
1823 * or @bsps argument is ignored.
1824 *
1825 * Returns 0 if successful, otherwise a negative error code.
1826 */
1827int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
1828 u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
1829{
1830 int i;
1831 unsigned int val, streams;
1832
1833 val = 0;
1834 if (nid != codec->afg &&
54d17403 1835 (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
1da177e4
LT		 1836 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
1837 if (val == -1)
1838 return -EIO;
1839 }
0ba21762 1840 if (!val)
1da177e4
LT		 1841 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
1842
1843 if (ratesp) {
1844 u32 rates = 0;
a961f9fe 1845 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) {
1da177e4 1846 if (val & (1 << i))
befdf316 1847 rates |= rate_bits[i].alsa_bits;
1da177e4
LT		 1848 }
1849 *ratesp = rates;
1850 }
1851
1852 if (formatsp || bpsp) {
1853 u64 formats = 0;
1854 unsigned int bps;
1855 unsigned int wcaps;
1856
54d17403 1857 wcaps = get_wcaps(codec, nid);
1da177e4
LT		 1858 streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
1859 if (streams == -1)
1860 return -EIO;
0ba21762
TI		 1861 if (!streams) {
1862 streams = snd_hda_param_read(codec, codec->afg,
1863 AC_PAR_STREAM);
1da177e4
LT		 1864 if (streams == -1)
1865 return -EIO;
1866 }
1867
1868 bps = 0;
1869 if (streams & AC_SUPFMT_PCM) {
1870 if (val & AC_SUPPCM_BITS_8) {
1871 formats |= SNDRV_PCM_FMTBIT_U8;
1872 bps = 8;
1873 }
1874 if (val & AC_SUPPCM_BITS_16) {
1875 formats |= SNDRV_PCM_FMTBIT_S16_LE;
1876 bps = 16;
1877 }
1878 if (wcaps & AC_WCAP_DIGITAL) {
1879 if (val & AC_SUPPCM_BITS_32)
1880 formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
1881 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
1882 formats |= SNDRV_PCM_FMTBIT_S32_LE;
1883 if (val & AC_SUPPCM_BITS_24)
1884 bps = 24;
1885 else if (val & AC_SUPPCM_BITS_20)
1886 bps = 20;
0ba21762
TI		 1887 } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|
1888 AC_SUPPCM_BITS_32)) {
1da177e4
LT		 1889 formats |= SNDRV_PCM_FMTBIT_S32_LE;
1890 if (val & AC_SUPPCM_BITS_32)
1891 bps = 32;
1da177e4
LT		 1892 else if (val & AC_SUPPCM_BITS_24)
1893 bps = 24;
33ef7651
NG		 1894 else if (val & AC_SUPPCM_BITS_20)
1895 bps = 20;
1da177e4
LT		 1896 }
1897 }
0ba21762
TI		 1898 else if (streams == AC_SUPFMT_FLOAT32) {
1899 /* should be exclusive */
1da177e4
LT		 1900 formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
1901 bps = 32;
0ba21762
TI		 1902 } else if (streams == AC_SUPFMT_AC3) {
1903 /* should be exclusive */
1da177e4
LT		 1904 /* temporary hack: we have still no proper support
1905 * for the direct AC3 stream...
1906 */
1907 formats |= SNDRV_PCM_FMTBIT_U8;
1908 bps = 8;
1909 }
1910 if (formatsp)
1911 *formatsp = formats;
1912 if (bpsp)
1913 *bpsp = bps;
1914 }
1915
1916 return 0;
1917}
1918
1919/**
0ba21762
TI		 1920 * snd_hda_is_supported_format - check whether the given node supports
1921 * the format val
1da177e4
LT		 1922 *
1923 * Returns 1 if supported, 0 if not.
1924 */
1925int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
1926 unsigned int format)
1927{
1928 int i;
1929 unsigned int val = 0, rate, stream;
1930
1931 if (nid != codec->afg &&
54d17403 1932 (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
1da177e4
LT		 1933 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
1934 if (val == -1)
1935 return 0;
1936 }
0ba21762 1937 if (!val) {
1da177e4
LT		 1938 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
1939 if (val == -1)
1940 return 0;
1941 }
1942
1943 rate = format & 0xff00;
a961f9fe 1944 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)
befdf316 1945 if (rate_bits[i].hda_fmt == rate) {
1da177e4
LT		 1946 if (val & (1 << i))
1947 break;
1948 return 0;
1949 }
a961f9fe 1950 if (i >= AC_PAR_PCM_RATE_BITS)
1da177e4
LT		 1951 return 0;
1952
1953 stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
1954 if (stream == -1)
1955 return 0;
0ba21762 1956 if (!stream && nid != codec->afg)
1da177e4 1957 stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
0ba21762 1958 if (!stream || stream == -1)
1da177e4
LT		 1959 return 0;
1960
1961 if (stream & AC_SUPFMT_PCM) {
1962 switch (format & 0xf0) {
1963 case 0x00:
0ba21762 1964 if (!(val & AC_SUPPCM_BITS_8))
1da177e4
LT		 1965 return 0;
1966 break;
1967 case 0x10:
0ba21762 1968 if (!(val & AC_SUPPCM_BITS_16))
1da177e4
LT		 1969 return 0;
1970 break;
1971 case 0x20:
0ba21762 1972 if (!(val & AC_SUPPCM_BITS_20))
1da177e4
LT		 1973 return 0;
1974 break;
1975 case 0x30:
0ba21762 1976 if (!(val & AC_SUPPCM_BITS_24))
1da177e4
LT		 1977 return 0;
1978 break;
1979 case 0x40:
0ba21762 1980 if (!(val & AC_SUPPCM_BITS_32))
1da177e4
LT		 1981 return 0;
1982 break;
1983 default:
1984 return 0;
1985 }
1986 } else {
1987 /* FIXME: check for float32 and AC3? */
1988 }
1989
1990 return 1;
1991}
1992
1993/*
1994 * PCM stuff
1995 */
1996static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
1997 struct hda_codec *codec,
c8b6bf9b 1998 struct snd_pcm_substream *substream)
1da177e4
LT		 1999{
2000 return 0;
2001}
2002
2003static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
2004 struct hda_codec *codec,
2005 unsigned int stream_tag,
2006 unsigned int format,
c8b6bf9b 2007 struct snd_pcm_substream *substream)
1da177e4
LT		 2008{
2009 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
2010 return 0;
2011}
2012
2013static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
2014 struct hda_codec *codec,
c8b6bf9b 2015 struct snd_pcm_substream *substream)
1da177e4
LT		 2016{
2017 snd_hda_codec_setup_stream(codec, hinfo->nid, 0, 0, 0);
2018 return 0;
2019}
2020
0ba21762
TI		 2021static int __devinit set_pcm_default_values(struct hda_codec *codec,
2022 struct hda_pcm_stream *info)
1da177e4 2023{
0ba21762
TI		 2024 /* query support PCM information from the given NID */
2025 if (info->nid && (!info->rates || !info->formats)) {
2026 snd_hda_query_supported_pcm(codec, info->nid,
2027 info->rates ? NULL : &info->rates,
2028 info->formats ? NULL : &info->formats,
2029 info->maxbps ? NULL : &info->maxbps);
1da177e4
LT		 2030 }
2031 if (info->ops.open == NULL)
2032 info->ops.open = hda_pcm_default_open_close;
2033 if (info->ops.close == NULL)
2034 info->ops.close = hda_pcm_default_open_close;
2035 if (info->ops.prepare == NULL) {
2036 snd_assert(info->nid, return -EINVAL);
2037 info->ops.prepare = hda_pcm_default_prepare;
2038 }
1da177e4
LT		 2039 if (info->ops.cleanup == NULL) {
2040 snd_assert(info->nid, return -EINVAL);
2041 info->ops.cleanup = hda_pcm_default_cleanup;
2042 }
2043 return 0;
2044}
2045
2046/**
2047 * snd_hda_build_pcms - build PCM information
2048 * @bus: the BUS
2049 *
2050 * Create PCM information for each codec included in the bus.
2051 *
2052 * The build_pcms codec patch is requested to set up codec->num_pcms and
2053 * codec->pcm_info properly. The array is referred by the top-level driver
2054 * to create its PCM instances.
2055 * The allocated codec->pcm_info should be released in codec->patch_ops.free
2056 * callback.
2057 *
2058 * At least, substreams, channels_min and channels_max must be filled for
2059 * each stream. substreams = 0 indicates that the stream doesn't exist.
2060 * When rates and/or formats are zero, the supported values are queried
2061 * from the given nid. The nid is used also by the default ops.prepare
2062 * and ops.cleanup callbacks.
2063 *
2064 * The driver needs to call ops.open in its open callback. Similarly,
2065 * ops.close is supposed to be called in the close callback.
2066 * ops.prepare should be called in the prepare or hw_params callback
2067 * with the proper parameters for set up.
2068 * ops.cleanup should be called in hw_free for clean up of streams.
2069 *
2070 * This function returns 0 if successfull, or a negative error code.
2071 */
756e2b01 2072int __devinit snd_hda_build_pcms(struct hda_bus *bus)
1da177e4 2073{
0ba21762 2074 struct hda_codec *codec;
1da177e4 2075
0ba21762 2076 list_for_each_entry(codec, &bus->codec_list, list) {
1da177e4
LT		 2077 unsigned int pcm, s;
2078 int err;
0ba21762 2079 if (!codec->patch_ops.build_pcms)
1da177e4
LT		 2080 continue;
2081 err = codec->patch_ops.build_pcms(codec);
2082 if (err < 0)
2083 return err;
2084 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
2085 for (s = 0; s < 2; s++) {
2086 struct hda_pcm_stream *info;
2087 info = &codec->pcm_info[pcm].stream[s];
0ba21762 2088 if (!info->substreams)
1da177e4
LT		 2089 continue;
2090 err = set_pcm_default_values(codec, info);
2091 if (err < 0)
2092 return err;
2093 }
2094 }
2095 }
2096 return 0;
2097}
2098
1da177e4
LT		 2099/**
2100 * snd_hda_check_board_config - compare the current codec with the config table
2101 * @codec: the HDA codec
f5fcc13c
TI		 2102 * @num_configs: number of config enums
2103 * @models: array of model name strings
1da177e4
LT		 2104 * @tbl: configuration table, terminated by null entries
2105 *
2106 * Compares the modelname or PCI subsystem id of the current codec with the
2107 * given configuration table. If a matching entry is found, returns its
2108 * config value (supposed to be 0 or positive).
2109 *
2110 * If no entries are matching, the function returns a negative value.
2111 */
12f288bf
TI		 2112int snd_hda_check_board_config(struct hda_codec *codec,
2113 int num_configs, const char **models,
2114 const struct snd_pci_quirk *tbl)
1da177e4 2115{
f5fcc13c
TI		 2116 if (codec->bus->modelname && models) {
2117 int i;
2118 for (i = 0; i < num_configs; i++) {
2119 if (models[i] &&
2120 !strcmp(codec->bus->modelname, models[i])) {
2121 snd_printd(KERN_INFO "hda_codec: model '%s' is "
2122 "selected\n", models[i]);
2123 return i;
1da177e4
LT		 2124 }
2125 }
2126 }
2127
f5fcc13c
TI		 2128 if (!codec->bus->pci || !tbl)
2129 return -1;
2130
2131 tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl);
2132 if (!tbl)
2133 return -1;
2134 if (tbl->value >= 0 && tbl->value < num_configs) {
2135#ifdef CONFIG_SND_DEBUG_DETECT
2136 char tmp[10];
2137 const char *model = NULL;
2138 if (models)
2139 model = models[tbl->value];
2140 if (!model) {
2141 sprintf(tmp, "#%d", tbl->value);
2142 model = tmp;
1da177e4 2143 }
f5fcc13c
TI		 2144 snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
2145 "for config %x:%x (%s)\n",
2146 model, tbl->subvendor, tbl->subdevice,
2147 (tbl->name ? tbl->name : "Unknown device"));
2148#endif
2149 return tbl->value;
1da177e4
LT		 2150 }
2151 return -1;
2152}
2153
2154/**
2155 * snd_hda_add_new_ctls - create controls from the array
2156 * @codec: the HDA codec
c8b6bf9b 2157 * @knew: the array of struct snd_kcontrol_new
1da177e4
LT		 2158 *
2159 * This helper function creates and add new controls in the given array.
2160 * The array must be terminated with an empty entry as terminator.
2161 *
2162 * Returns 0 if successful, or a negative error code.
2163 */
12f288bf 2164int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
1da177e4 2165{
cb53c626 2166 int err;
1da177e4
LT		 2167
2168 for (; knew->name; knew++) {
54d17403
TI		 2169 struct snd_kcontrol *kctl;
2170 kctl = snd_ctl_new1(knew, codec);
0ba21762 2171 if (!kctl)
54d17403
TI		 2172 return -ENOMEM;
2173 err = snd_ctl_add(codec->bus->card, kctl);
2174 if (err < 0) {
0ba21762 2175 if (!codec->addr)
54d17403
TI		 2176 return err;
2177 kctl = snd_ctl_new1(knew, codec);
0ba21762 2178 if (!kctl)
54d17403
TI		 2179 return -ENOMEM;
2180 kctl->id.device = codec->addr;
0ba21762
TI		 2181 err = snd_ctl_add(codec->bus->card, kctl);
2182 if (err < 0)
54d17403
TI		 2183 return err;
2184 }
1da177e4
LT		 2185 }
2186 return 0;
2187}
2188
cb53c626
TI		 2189#ifdef CONFIG_SND_HDA_POWER_SAVE
2190static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2191 unsigned int power_state);
2192
2193static void hda_power_work(struct work_struct *work)
2194{
2195 struct hda_codec *codec =
2196 container_of(work, struct hda_codec, power_work.work);
2197
2e492462
ML		 2198 if (!codec->power_on || codec->power_count) {
2199 codec->power_transition = 0;
cb53c626 2200 return;
2e492462 2201 }
cb53c626
TI		 2202
2203 hda_call_codec_suspend(codec);
cb53c626
TI		 2204 if (codec->bus->ops.pm_notify)
2205 codec->bus->ops.pm_notify(codec);
2206}
2207
2208static void hda_keep_power_on(struct hda_codec *codec)
2209{
2210 codec->power_count++;
2211 codec->power_on = 1;
2212}
2213
2214void snd_hda_power_up(struct hda_codec *codec)
2215{
2216 codec->power_count++;
a221e287 2217 if (codec->power_on || codec->power_transition)
cb53c626
TI		 2218 return;
2219
2220 codec->power_on = 1;
2221 if (codec->bus->ops.pm_notify)
2222 codec->bus->ops.pm_notify(codec);
2223 hda_call_codec_resume(codec);
2224 cancel_delayed_work(&codec->power_work);
a221e287 2225 codec->power_transition = 0;
cb53c626
TI		 2226}
2227
2228void snd_hda_power_down(struct hda_codec *codec)
2229{
2230 --codec->power_count;
a221e287 2231 if (!codec->power_on || codec->power_count || codec->power_transition)
cb53c626 2232 return;
a221e287
TI		 2233 if (power_save) {
2234 codec->power_transition = 1; /* avoid reentrance */
cb53c626
TI		 2235 schedule_delayed_work(&codec->power_work,
2236 msecs_to_jiffies(power_save * 1000));
a221e287 2237 }
cb53c626
TI		 2238}
2239
2240int snd_hda_check_amp_list_power(struct hda_codec *codec,
2241 struct hda_loopback_check *check,
2242 hda_nid_t nid)
2243{
2244 struct hda_amp_list *p;
2245 int ch, v;
2246
2247 if (!check->amplist)
2248 return 0;
2249 for (p = check->amplist; p->nid; p++) {
2250 if (p->nid == nid)
2251 break;
2252 }
2253 if (!p->nid)
2254 return 0; /* nothing changed */
2255
2256 for (p = check->amplist; p->nid; p++) {
2257 for (ch = 0; ch < 2; ch++) {
2258 v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
2259 p->idx);
2260 if (!(v & HDA_AMP_MUTE) && v > 0) {
2261 if (!check->power_on) {
2262 check->power_on = 1;
2263 snd_hda_power_up(codec);
2264 }
2265 return 1;
2266 }
2267 }
2268 }
2269 if (check->power_on) {
2270 check->power_on = 0;
2271 snd_hda_power_down(codec);
2272 }
2273 return 0;
2274}
2275#endif
1da177e4 2276
c8b6bf9b 2277/*
d2a6d7dc
TI		 2278 * Channel mode helper
2279 */
0ba21762
TI		 2280int snd_hda_ch_mode_info(struct hda_codec *codec,
2281 struct snd_ctl_elem_info *uinfo,
2282 const struct hda_channel_mode *chmode,
2283 int num_chmodes)
d2a6d7dc
TI		 2284{
2285 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2286 uinfo->count = 1;
2287 uinfo->value.enumerated.items = num_chmodes;
2288 if (uinfo->value.enumerated.item >= num_chmodes)
2289 uinfo->value.enumerated.item = num_chmodes - 1;
2290 sprintf(uinfo->value.enumerated.name, "%dch",
2291 chmode[uinfo->value.enumerated.item].channels);
2292 return 0;
2293}
2294
0ba21762
TI		 2295int snd_hda_ch_mode_get(struct hda_codec *codec,
2296 struct snd_ctl_elem_value *ucontrol,
2297 const struct hda_channel_mode *chmode,
2298 int num_chmodes,
d2a6d7dc
TI		 2299 int max_channels)
2300{
2301 int i;
2302
2303 for (i = 0; i < num_chmodes; i++) {
2304 if (max_channels == chmode[i].channels) {
2305 ucontrol->value.enumerated.item[0] = i;
2306 break;
2307 }
2308 }
2309 return 0;
2310}
2311
0ba21762
TI		 2312int snd_hda_ch_mode_put(struct hda_codec *codec,
2313 struct snd_ctl_elem_value *ucontrol,
2314 const struct hda_channel_mode *chmode,
2315 int num_chmodes,
d2a6d7dc
TI		 2316 int *max_channelsp)
2317{
2318 unsigned int mode;
2319
2320 mode = ucontrol->value.enumerated.item[0];
2321 snd_assert(mode < num_chmodes, return -EINVAL);
82beb8fd 2322 if (*max_channelsp == chmode[mode].channels)
d2a6d7dc
TI		 2323 return 0;
2324 /* change the current channel setting */
2325 *max_channelsp = chmode[mode].channels;
2326 if (chmode[mode].sequence)
82beb8fd 2327 snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
d2a6d7dc
TI		 2328 return 1;
2329}
2330
1da177e4
LT		 2331/*
2332 * input MUX helper
2333 */
0ba21762
TI		 2334int snd_hda_input_mux_info(const struct hda_input_mux *imux,
2335 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 2336{
2337 unsigned int index;
2338
2339 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2340 uinfo->count = 1;
2341 uinfo->value.enumerated.items = imux->num_items;
2342 index = uinfo->value.enumerated.item;
2343 if (index >= imux->num_items)
2344 index = imux->num_items - 1;
2345 strcpy(uinfo->value.enumerated.name, imux->items[index].label);
2346 return 0;
2347}
2348
0ba21762
TI		 2349int snd_hda_input_mux_put(struct hda_codec *codec,
2350 const struct hda_input_mux *imux,
2351 struct snd_ctl_elem_value *ucontrol,
2352 hda_nid_t nid,
1da177e4
LT		 2353 unsigned int *cur_val)
2354{
2355 unsigned int idx;
2356
2357 idx = ucontrol->value.enumerated.item[0];
2358 if (idx >= imux->num_items)
2359 idx = imux->num_items - 1;
82beb8fd 2360 if (*cur_val == idx)
1da177e4 2361 return 0;
82beb8fd
TI		 2362 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
2363 imux->items[idx].index);
1da177e4
LT		 2364 *cur_val = idx;
2365 return 1;
2366}
2367
2368
2369/*
2370 * Multi-channel / digital-out PCM helper functions
2371 */
2372
6b97eb45
TI		 2373/* setup SPDIF output stream */
2374static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
2375 unsigned int stream_tag, unsigned int format)
2376{
2377 /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2378 if (codec->spdif_ctls & AC_DIG1_ENABLE)
2379 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
2380 codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
2381 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
2382 /* turn on again (if needed) */
2383 if (codec->spdif_ctls & AC_DIG1_ENABLE)
2384 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
2385 codec->spdif_ctls & 0xff);
2386}
2387
1da177e4
LT		 2388/*
2389 * open the digital out in the exclusive mode
2390 */
0ba21762
TI		 2391int snd_hda_multi_out_dig_open(struct hda_codec *codec,
2392 struct hda_multi_out *mout)
1da177e4 2393{
62932df8 2394 mutex_lock(&codec->spdif_mutex);
5930ca41
TI		 2395 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
2396 /* already opened as analog dup; reset it once */
2397 snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
1da177e4 2398 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
62932df8 2399 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2400 return 0;
2401}
2402
6b97eb45
TI		 2403int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
2404 struct hda_multi_out *mout,
2405 unsigned int stream_tag,
2406 unsigned int format,
2407 struct snd_pcm_substream *substream)
2408{
2409 mutex_lock(&codec->spdif_mutex);
2410 setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
2411 mutex_unlock(&codec->spdif_mutex);
2412 return 0;
2413}
2414
1da177e4
LT		 2415/*
2416 * release the digital out
2417 */
0ba21762
TI		 2418int snd_hda_multi_out_dig_close(struct hda_codec *codec,
2419 struct hda_multi_out *mout)
1da177e4 2420{
62932df8 2421 mutex_lock(&codec->spdif_mutex);
1da177e4 2422 mout->dig_out_used = 0;
62932df8 2423 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2424 return 0;
2425}
2426
2427/*
2428 * set up more restrictions for analog out
2429 */
0ba21762
TI		 2430int snd_hda_multi_out_analog_open(struct hda_codec *codec,
2431 struct hda_multi_out *mout,
c8b6bf9b 2432 struct snd_pcm_substream *substream)
1da177e4
LT		 2433{
2434 substream->runtime->hw.channels_max = mout->max_channels;
2435 return snd_pcm_hw_constraint_step(substream->runtime, 0,
2436 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2437}
2438
2439/*
2440 * set up the i/o for analog out
2441 * when the digital out is available, copy the front out to digital out, too.
2442 */
0ba21762
TI		 2443int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
2444 struct hda_multi_out *mout,
1da177e4
LT		 2445 unsigned int stream_tag,
2446 unsigned int format,
c8b6bf9b 2447 struct snd_pcm_substream *substream)
1da177e4
LT		 2448{
2449 hda_nid_t *nids = mout->dac_nids;
2450 int chs = substream->runtime->channels;
2451 int i;
2452
62932df8 2453 mutex_lock(&codec->spdif_mutex);
1da177e4
LT		 2454 if (mout->dig_out_nid && mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
2455 if (chs == 2 &&
0ba21762
TI		 2456 snd_hda_is_supported_format(codec, mout->dig_out_nid,
2457 format) &&
2458 !(codec->spdif_status & IEC958_AES0_NONAUDIO)) {
1da177e4 2459 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
6b97eb45
TI		 2460 setup_dig_out_stream(codec, mout->dig_out_nid,
2461 stream_tag, format);
1da177e4
LT		 2462 } else {
2463 mout->dig_out_used = 0;
0ba21762
TI		 2464 snd_hda_codec_setup_stream(codec, mout->dig_out_nid,
2465 0, 0, 0);
1da177e4
LT		 2466 }
2467 }
62932df8 2468 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2469
2470 /* front */
0ba21762
TI		 2471 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
2472 0, format);
35aec4e2 2473 if (mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
1da177e4 2474 /* headphone out will just decode front left/right (stereo) */
0ba21762
TI		 2475 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
2476 0, format);
82bc955f
TI		 2477 /* extra outputs copied from front */
2478 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2479 if (mout->extra_out_nid[i])
2480 snd_hda_codec_setup_stream(codec,
2481 mout->extra_out_nid[i],
2482 stream_tag, 0, format);
2483
1da177e4
LT		 2484 /* surrounds */
2485 for (i = 1; i < mout->num_dacs; i++) {
4b3acaf5 2486 if (chs >= (i + 1) * 2) /* independent out */
0ba21762
TI		 2487 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2488 i * 2, format);
4b3acaf5 2489 else /* copy front */
0ba21762
TI		 2490 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2491 0, format);
1da177e4
LT		 2492 }
2493 return 0;
2494}
2495
2496/*
2497 * clean up the setting for analog out
2498 */
0ba21762
TI		 2499int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
2500 struct hda_multi_out *mout)
1da177e4
LT		 2501{
2502 hda_nid_t *nids = mout->dac_nids;
2503 int i;
2504
2505 for (i = 0; i < mout->num_dacs; i++)
2506 snd_hda_codec_setup_stream(codec, nids[i], 0, 0, 0);
2507 if (mout->hp_nid)
2508 snd_hda_codec_setup_stream(codec, mout->hp_nid, 0, 0, 0);
82bc955f
TI		 2509 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2510 if (mout->extra_out_nid[i])
2511 snd_hda_codec_setup_stream(codec,
2512 mout->extra_out_nid[i],
2513 0, 0, 0);
62932df8 2514 mutex_lock(&codec->spdif_mutex);
1da177e4
LT		 2515 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
2516 snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
2517 mout->dig_out_used = 0;
2518 }
62932df8 2519 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2520 return 0;
2521}
2522
e9edcee0
TI		 2523/*
2524 * Helper for automatic ping configuration
2525 */
df694daa 2526
12f288bf 2527static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list)
df694daa
KY		 2528{
2529 for (; *list; list++)
2530 if (*list == nid)
2531 return 1;
2532 return 0;
2533}
2534
81937d3b
SL		 2535
2536/*
2537 * Sort an associated group of pins according to their sequence numbers.
2538 */
2539static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences,
2540 int num_pins)
2541{
2542 int i, j;
2543 short seq;
2544 hda_nid_t nid;
2545
2546 for (i = 0; i < num_pins; i++) {
2547 for (j = i + 1; j < num_pins; j++) {
2548 if (sequences[i] > sequences[j]) {
2549 seq = sequences[i];
2550 sequences[i] = sequences[j];
2551 sequences[j] = seq;
2552 nid = pins[i];
2553 pins[i] = pins[j];
2554 pins[j] = nid;
2555 }
2556 }
2557 }
2558}
2559
2560
82bc955f
TI		 2561/*
2562 * Parse all pin widgets and store the useful pin nids to cfg
2563 *
2564 * The number of line-outs or any primary output is stored in line_outs,
2565 * and the corresponding output pins are assigned to line_out_pins[],
2566 * in the order of front, rear, CLFE, side, ...
2567 *
2568 * If more extra outputs (speaker and headphone) are found, the pins are
eb06ed8f 2569 * assisnged to hp_pins[] and speaker_pins[], respectively. If no line-out jack
82bc955f
TI		 2570 * is detected, one of speaker of HP pins is assigned as the primary
2571 * output, i.e. to line_out_pins[0]. So, line_outs is always positive
2572 * if any analog output exists.
2573 *
2574 * The analog input pins are assigned to input_pins array.
2575 * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
2576 * respectively.
2577 */
12f288bf
TI		 2578int snd_hda_parse_pin_def_config(struct hda_codec *codec,
2579 struct auto_pin_cfg *cfg,
2580 hda_nid_t *ignore_nids)
e9edcee0
TI		 2581{
2582 hda_nid_t nid, nid_start;
81937d3b
SL		 2583 int nodes;
2584 short seq, assoc_line_out, assoc_speaker;
2585 short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)];
2586 short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)];
e9edcee0
TI		 2587
2588 memset(cfg, 0, sizeof(*cfg));
2589
81937d3b
SL		 2590 memset(sequences_line_out, 0, sizeof(sequences_line_out));
2591 memset(sequences_speaker, 0, sizeof(sequences_speaker));
2592 assoc_line_out = assoc_speaker = 0;
e9edcee0
TI		 2593
2594 nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid_start);
2595 for (nid = nid_start; nid < nodes + nid_start; nid++) {
54d17403 2596 unsigned int wid_caps = get_wcaps(codec, nid);
0ba21762
TI		 2597 unsigned int wid_type =
2598 (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
e9edcee0
TI		 2599 unsigned int def_conf;
2600 short assoc, loc;
2601
2602 /* read all default configuration for pin complex */
2603 if (wid_type != AC_WID_PIN)
2604 continue;
df694daa
KY		 2605 /* ignore the given nids (e.g. pc-beep returns error) */
2606 if (ignore_nids && is_in_nid_list(nid, ignore_nids))
2607 continue;
2608
0ba21762
TI		 2609 def_conf = snd_hda_codec_read(codec, nid, 0,
2610 AC_VERB_GET_CONFIG_DEFAULT, 0);
e9edcee0
TI		 2611 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
2612 continue;
2613 loc = get_defcfg_location(def_conf);
2614 switch (get_defcfg_device(def_conf)) {
2615 case AC_JACK_LINE_OUT:
e9edcee0
TI		 2616 seq = get_defcfg_sequence(def_conf);
2617 assoc = get_defcfg_association(def_conf);
0ba21762 2618 if (!assoc)
e9edcee0 2619 continue;
0ba21762 2620 if (!assoc_line_out)
e9edcee0
TI		 2621 assoc_line_out = assoc;
2622 else if (assoc_line_out != assoc)
2623 continue;
2624 if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
2625 continue;
2626 cfg->line_out_pins[cfg->line_outs] = nid;
81937d3b 2627 sequences_line_out[cfg->line_outs] = seq;
e9edcee0
TI		 2628 cfg->line_outs++;
2629 break;
8d88bc3d 2630 case AC_JACK_SPEAKER:
81937d3b
SL		 2631 seq = get_defcfg_sequence(def_conf);
2632 assoc = get_defcfg_association(def_conf);
2633 if (! assoc)
2634 continue;
2635 if (! assoc_speaker)
2636 assoc_speaker = assoc;
2637 else if (assoc_speaker != assoc)
2638 continue;
82bc955f
TI		 2639 if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
2640 continue;
2641 cfg->speaker_pins[cfg->speaker_outs] = nid;
81937d3b 2642 sequences_speaker[cfg->speaker_outs] = seq;
82bc955f 2643 cfg->speaker_outs++;
8d88bc3d 2644 break;
e9edcee0 2645 case AC_JACK_HP_OUT:
eb06ed8f
TI		 2646 if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
2647 continue;
2648 cfg->hp_pins[cfg->hp_outs] = nid;
2649 cfg->hp_outs++;
e9edcee0 2650 break;
314634bc
TI		 2651 case AC_JACK_MIC_IN: {
2652 int preferred, alt;
2653 if (loc == AC_JACK_LOC_FRONT) {
2654 preferred = AUTO_PIN_FRONT_MIC;
2655 alt = AUTO_PIN_MIC;
2656 } else {
2657 preferred = AUTO_PIN_MIC;
2658 alt = AUTO_PIN_FRONT_MIC;
2659 }
2660 if (!cfg->input_pins[preferred])
2661 cfg->input_pins[preferred] = nid;
2662 else if (!cfg->input_pins[alt])
2663 cfg->input_pins[alt] = nid;
e9edcee0 2664 break;
314634bc 2665 }
e9edcee0
TI		 2666 case AC_JACK_LINE_IN:
2667 if (loc == AC_JACK_LOC_FRONT)
2668 cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
2669 else
2670 cfg->input_pins[AUTO_PIN_LINE] = nid;
2671 break;
2672 case AC_JACK_CD:
2673 cfg->input_pins[AUTO_PIN_CD] = nid;
2674 break;
2675 case AC_JACK_AUX:
2676 cfg->input_pins[AUTO_PIN_AUX] = nid;
2677 break;
2678 case AC_JACK_SPDIF_OUT:
2679 cfg->dig_out_pin = nid;
2680 break;
2681 case AC_JACK_SPDIF_IN:
2682 cfg->dig_in_pin = nid;
2683 break;
2684 }
2685 }
2686
2687 /* sort by sequence */
81937d3b
SL		 2688 sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out,
2689 cfg->line_outs);
2690 sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker,
2691 cfg->speaker_outs);
2692
2693 /*
2694 * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
2695 * as a primary output
2696 */
2697 if (!cfg->line_outs) {
2698 if (cfg->speaker_outs) {
2699 cfg->line_outs = cfg->speaker_outs;
2700 memcpy(cfg->line_out_pins, cfg->speaker_pins,
2701 sizeof(cfg->speaker_pins));
2702 cfg->speaker_outs = 0;
2703 memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
2704 cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
2705 } else if (cfg->hp_outs) {
2706 cfg->line_outs = cfg->hp_outs;
2707 memcpy(cfg->line_out_pins, cfg->hp_pins,
2708 sizeof(cfg->hp_pins));
2709 cfg->hp_outs = 0;
2710 memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
2711 cfg->line_out_type = AUTO_PIN_HP_OUT;
2712 }
2713 }
e9edcee0 2714
cb8e2f83
TI		 2715 /* Reorder the surround channels
2716 * ALSA sequence is front/surr/clfe/side
2717 * HDA sequence is:
2718 * 4-ch: front/surr => OK as it is
2719 * 6-ch: front/clfe/surr
9422db40 2720 * 8-ch: front/clfe/rear/side|fc
cb8e2f83
TI		 2721 */
2722 switch (cfg->line_outs) {
2723 case 3:
cb8e2f83
TI		 2724 case 4:
2725 nid = cfg->line_out_pins[1];
9422db40 2726 cfg->line_out_pins[1] = cfg->line_out_pins[2];
cb8e2f83
TI		 2727 cfg->line_out_pins[2] = nid;
2728 break;
e9edcee0
TI		 2729 }
2730
82bc955f
TI		 2731 /*
2732 * debug prints of the parsed results
2733 */
2734 snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2735 cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
2736 cfg->line_out_pins[2], cfg->line_out_pins[3],
2737 cfg->line_out_pins[4]);
2738 snd_printd(" speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2739 cfg->speaker_outs, cfg->speaker_pins[0],
2740 cfg->speaker_pins[1], cfg->speaker_pins[2],
2741 cfg->speaker_pins[3], cfg->speaker_pins[4]);
eb06ed8f
TI		 2742 snd_printd(" hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2743 cfg->hp_outs, cfg->hp_pins[0],
2744 cfg->hp_pins[1], cfg->hp_pins[2],
2745 cfg->hp_pins[3], cfg->hp_pins[4]);
82bc955f
TI		 2746 snd_printd(" inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
2747 " cd=0x%x, aux=0x%x\n",
2748 cfg->input_pins[AUTO_PIN_MIC],
2749 cfg->input_pins[AUTO_PIN_FRONT_MIC],
2750 cfg->input_pins[AUTO_PIN_LINE],
2751 cfg->input_pins[AUTO_PIN_FRONT_LINE],
2752 cfg->input_pins[AUTO_PIN_CD],
2753 cfg->input_pins[AUTO_PIN_AUX]);
2754
e9edcee0
TI		 2755 return 0;
2756}
2757
4a471b7d
TI		 2758/* labels for input pins */
2759const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
2760 "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
2761};
2762
2763
1da177e4
LT		 2764#ifdef CONFIG_PM
2765/*
2766 * power management
2767 */
2768
2769/**
2770 * snd_hda_suspend - suspend the codecs
2771 * @bus: the HDA bus
2772 * @state: suspsend state
2773 *
2774 * Returns 0 if successful.
2775 */
2776int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
2777{
0ba21762 2778 struct hda_codec *codec;
1da177e4 2779
0ba21762 2780 list_for_each_entry(codec, &bus->codec_list, list) {
0b7a2e9c
TI		 2781#ifdef CONFIG_SND_HDA_POWER_SAVE
2782 if (!codec->power_on)
2783 continue;
2784#endif
cb53c626 2785 hda_call_codec_suspend(codec);
1da177e4
LT		 2786 }
2787 return 0;
2788}
2789
2790/**
2791 * snd_hda_resume - resume the codecs
2792 * @bus: the HDA bus
2793 * @state: resume state
2794 *
2795 * Returns 0 if successful.
cb53c626
TI		 2796 *
2797 * This fucntion is defined only when POWER_SAVE isn't set.
2798 * In the power-save mode, the codec is resumed dynamically.
1da177e4
LT		 2799 */
2800int snd_hda_resume(struct hda_bus *bus)
2801{
0ba21762 2802 struct hda_codec *codec;
1da177e4 2803
0ba21762 2804 list_for_each_entry(codec, &bus->codec_list, list) {
d804ad92
ML		 2805 if (snd_hda_codec_needs_resume(codec))
2806 hda_call_codec_resume(codec);
1da177e4 2807 }
1da177e4
LT		 2808 return 0;
2809}
d804ad92
ML		 2810#ifdef CONFIG_SND_HDA_POWER_SAVE
2811int snd_hda_codecs_inuse(struct hda_bus *bus)
2812{
2813 struct hda_codec *codec;
1da177e4 2814
d804ad92
ML		 2815 list_for_each_entry(codec, &bus->codec_list, list) {
2816 if (snd_hda_codec_needs_resume(codec))
2817 return 1;
2818 }
2819 return 0;
2820}
2821#endif
1da177e4 2822#endif
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