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[ALSA] hda-intel - Add POWER_SAVE option
[deliverable/linux.git] / sound / pci / hda / hda_codec.c
CommitLineData
1da177e4
LT		 1/*
2 * Universal Interface for Intel High Definition Audio Codec
3 *
4 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
5 *
6 *
7 * This driver is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This driver is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21
22#include <sound/driver.h>
23#include <linux/init.h>
24#include <linux/delay.h>
25#include <linux/slab.h>
26#include <linux/pci.h>
62932df8 27#include <linux/mutex.h>
1da177e4
LT		 28#include <sound/core.h>
29#include "hda_codec.h"
30#include <sound/asoundef.h>
302e9c5a 31#include <sound/tlv.h>
1da177e4
LT		 32#include <sound/initval.h>
33#include "hda_local.h"
2807314d 34#include <sound/hda_hwdep.h>
1da177e4 35
cb53c626
TI		 36#ifdef CONFIG_SND_HDA_POWER_SAVE
37/* define this option here to hide as static */
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);
517static inline void free_hda_cache(struct hda_cache_rec *cache);
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);
528#endif
1da177e4
LT		 529 list_del(&codec->list);
530 codec->bus->caddr_tbl[codec->addr] = NULL;
531 if (codec->patch_ops.free)
532 codec->patch_ops.free(codec);
01751f54 533 free_hda_cache(&codec->amp_cache);
b3ac5636 534 free_hda_cache(&codec->cmd_cache);
54d17403 535 kfree(codec->wcaps);
1da177e4
LT		 536 kfree(codec);
537}
538
1da177e4
LT		 539/**
540 * snd_hda_codec_new - create a HDA codec
541 * @bus: the bus to assign
542 * @codec_addr: the codec address
543 * @codecp: the pointer to store the generated codec
544 *
545 * Returns 0 if successful, or a negative error code.
546 */
756e2b01
TI		 547int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
548 struct hda_codec **codecp)
1da177e4
LT		 549{
550 struct hda_codec *codec;
551 char component[13];
552 int err;
553
554 snd_assert(bus, return -EINVAL);
555 snd_assert(codec_addr <= HDA_MAX_CODEC_ADDRESS, return -EINVAL);
556
557 if (bus->caddr_tbl[codec_addr]) {
0ba21762
TI		 558 snd_printk(KERN_ERR "hda_codec: "
559 "address 0x%x is already occupied\n", codec_addr);
1da177e4
LT		 560 return -EBUSY;
561 }
562
e560d8d8 563 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
1da177e4
LT		 564 if (codec == NULL) {
565 snd_printk(KERN_ERR "can't allocate struct hda_codec\n");
566 return -ENOMEM;
567 }
568
569 codec->bus = bus;
570 codec->addr = codec_addr;
62932df8 571 mutex_init(&codec->spdif_mutex);
01751f54 572 init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
b3ac5636 573 init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
1da177e4 574
cb53c626
TI		 575#ifdef CONFIG_SND_HDA_POWER_SAVE
576 INIT_DELAYED_WORK(&codec->power_work, hda_power_work);
577 /* snd_hda_codec_new() marks the codec as power-up, and leave it as is.
578 * the caller has to power down appropriatley after initialization
579 * phase.
580 */
581 hda_keep_power_on(codec);
582#endif
583
1da177e4
LT		 584 list_add_tail(&codec->list, &bus->codec_list);
585 bus->caddr_tbl[codec_addr] = codec;
586
0ba21762
TI		 587 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
588 AC_PAR_VENDOR_ID);
111d3af5
TI		 589 if (codec->vendor_id == -1)
590 /* read again, hopefully the access method was corrected
591 * in the last read...
592 */
593 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
594 AC_PAR_VENDOR_ID);
0ba21762
TI		 595 codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT,
596 AC_PAR_SUBSYSTEM_ID);
597 codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT,
598 AC_PAR_REV_ID);
1da177e4 599
673b683a 600 setup_fg_nodes(codec);
0ba21762 601 if (!codec->afg && !codec->mfg) {
673b683a 602 snd_printdd("hda_codec: no AFG or MFG node found\n");
1da177e4
LT		 603 snd_hda_codec_free(codec);
604 return -ENODEV;
605 }
606
54d17403
TI		 607 if (read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg) < 0) {
608 snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
609 snd_hda_codec_free(codec);
610 return -ENOMEM;
611 }
612
0ba21762 613 if (!codec->subsystem_id) {
86284e45 614 hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
0ba21762
TI		 615 codec->subsystem_id =
616 snd_hda_codec_read(codec, nid, 0,
617 AC_VERB_GET_SUBSYSTEM_ID, 0);
86284e45
TI		 618 }
619
d5ad630b 620 codec->preset = find_codec_preset(codec);
43ea1d47
TI		 621 /* audio codec should override the mixer name */
622 if (codec->afg || !*bus->card->mixername)
1da177e4
LT		 623 snd_hda_get_codec_name(codec, bus->card->mixername,
624 sizeof(bus->card->mixername));
625
82467611
TI		 626#ifdef CONFIG_SND_HDA_GENERIC
627 if (is_generic_config(codec)) {
1da177e4 628 err = snd_hda_parse_generic_codec(codec);
82467611
TI		 629 goto patched;
630 }
631#endif
632 if (codec->preset && codec->preset->patch) {
633 err = codec->preset->patch(codec);
634 goto patched;
635 }
636
637 /* call the default parser */
638#ifdef CONFIG_SND_HDA_GENERIC
639 err = snd_hda_parse_generic_codec(codec);
640#else
641 printk(KERN_ERR "hda-codec: No codec parser is available\n");
642 err = -ENODEV;
643#endif
644
645 patched:
1da177e4
LT		 646 if (err < 0) {
647 snd_hda_codec_free(codec);
648 return err;
649 }
650
9f146bb6
TI		 651 if (codec->patch_ops.unsol_event)
652 init_unsol_queue(bus);
653
1da177e4 654 snd_hda_codec_proc_new(codec);
2807314d
TI		 655#ifdef CONFIG_SND_HDA_HWDEP
656 snd_hda_create_hwdep(codec);
657#endif
1da177e4
LT		 658
659 sprintf(component, "HDA:%08x", codec->vendor_id);
660 snd_component_add(codec->bus->card, component);
661
662 if (codecp)
663 *codecp = codec;
664 return 0;
665}
666
667/**
668 * snd_hda_codec_setup_stream - set up the codec for streaming
669 * @codec: the CODEC to set up
670 * @nid: the NID to set up
671 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
672 * @channel_id: channel id to pass, zero based.
673 * @format: stream format.
674 */
0ba21762
TI		 675void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
676 u32 stream_tag,
1da177e4
LT		 677 int channel_id, int format)
678{
0ba21762 679 if (!nid)
d21b37ea
TI		 680 return;
681
0ba21762
TI		 682 snd_printdd("hda_codec_setup_stream: "
683 "NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
1da177e4
LT		 684 nid, stream_tag, channel_id, format);
685 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID,
686 (stream_tag << 4) | channel_id);
687 msleep(1);
688 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
689}
690
1da177e4
LT		 691/*
692 * amp access functions
693 */
694
4a19faee
TI		 695/* FIXME: more better hash key? */
696#define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
1da177e4 697#define INFO_AMP_CAPS (1<<0)
4a19faee 698#define INFO_AMP_VOL(ch) (1 << (1 + (ch)))
1da177e4
LT		 699
700/* initialize the hash table */
01751f54
TI		 701static void __devinit init_hda_cache(struct hda_cache_rec *cache,
702 unsigned int record_size)
703{
704 memset(cache, 0, sizeof(*cache));
705 memset(cache->hash, 0xff, sizeof(cache->hash));
706 cache->record_size = record_size;
707}
708
709static inline void free_hda_cache(struct hda_cache_rec *cache)
1da177e4 710{
01751f54 711 kfree(cache->buffer);
1da177e4
LT		 712}
713
714/* query the hash. allocate an entry if not found. */
01751f54
TI		 715static struct hda_cache_head *get_alloc_hash(struct hda_cache_rec *cache,
716 u32 key)
1da177e4 717{
01751f54
TI		 718 u16 idx = key % (u16)ARRAY_SIZE(cache->hash);
719 u16 cur = cache->hash[idx];
720 struct hda_cache_head *info;
1da177e4
LT		 721
722 while (cur != 0xffff) {
01751f54
TI		 723 info = (struct hda_cache_head *)(cache->buffer +
724 cur * cache->record_size);
1da177e4
LT		 725 if (info->key == key)
726 return info;
727 cur = info->next;
728 }
729
730 /* add a new hash entry */
01751f54 731 if (cache->num_entries >= cache->size) {
d031166f 732 /* reallocate the array */
01751f54
TI		 733 unsigned int new_size = cache->size + 64;
734 void *new_buffer;
735 new_buffer = kcalloc(new_size, cache->record_size, GFP_KERNEL);
736 if (!new_buffer) {
0ba21762
TI		 737 snd_printk(KERN_ERR "hda_codec: "
738 "can't malloc amp_info\n");
d031166f
TI		 739 return NULL;
740 }
01751f54
TI		 741 if (cache->buffer) {
742 memcpy(new_buffer, cache->buffer,
743 cache->size * cache->record_size);
744 kfree(cache->buffer);
d031166f 745 }
01751f54
TI		 746 cache->size = new_size;
747 cache->buffer = new_buffer;
1da177e4 748 }
01751f54
TI		 749 cur = cache->num_entries++;
750 info = (struct hda_cache_head *)(cache->buffer +
751 cur * cache->record_size);
1da177e4 752 info->key = key;
01751f54
TI		 753 info->val = 0;
754 info->next = cache->hash[idx];
755 cache->hash[idx] = cur;
1da177e4
LT		 756
757 return info;
758}
759
01751f54
TI		 760/* query and allocate an amp hash entry */
761static inline struct hda_amp_info *
762get_alloc_amp_hash(struct hda_codec *codec, u32 key)
763{
764 return (struct hda_amp_info *)get_alloc_hash(&codec->amp_cache, key);
765}
766
1da177e4
LT		 767/*
768 * query AMP capabilities for the given widget and direction
769 */
770static u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
771{
0ba21762 772 struct hda_amp_info *info;
1da177e4 773
0ba21762
TI		 774 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0));
775 if (!info)
1da177e4 776 return 0;
01751f54 777 if (!(info->head.val & INFO_AMP_CAPS)) {
0ba21762 778 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
1da177e4 779 nid = codec->afg;
0ba21762
TI		 780 info->amp_caps = snd_hda_param_read(codec, nid,
781 direction == HDA_OUTPUT ?
782 AC_PAR_AMP_OUT_CAP :
783 AC_PAR_AMP_IN_CAP);
b75e53f0 784 if (info->amp_caps)
01751f54 785 info->head.val |= INFO_AMP_CAPS;
1da177e4
LT		 786 }
787 return info->amp_caps;
788}
789
897cc188
TI		 790int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
791 unsigned int caps)
792{
793 struct hda_amp_info *info;
794
795 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, dir, 0));
796 if (!info)
797 return -EINVAL;
798 info->amp_caps = caps;
01751f54 799 info->head.val |= INFO_AMP_CAPS;
897cc188
TI		 800 return 0;
801}
802
1da177e4
LT		 803/*
804 * read the current volume to info
4a19faee 805 * if the cache exists, read the cache value.
1da177e4 806 */
0ba21762
TI		 807static unsigned int get_vol_mute(struct hda_codec *codec,
808 struct hda_amp_info *info, hda_nid_t nid,
809 int ch, int direction, int index)
1da177e4
LT		 810{
811 u32 val, parm;
812
01751f54 813 if (info->head.val & INFO_AMP_VOL(ch))
4a19faee 814 return info->vol[ch];
1da177e4
LT		 815
816 parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
817 parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
818 parm |= index;
0ba21762
TI		 819 val = snd_hda_codec_read(codec, nid, 0,
820 AC_VERB_GET_AMP_GAIN_MUTE, parm);
1da177e4 821 info->vol[ch] = val & 0xff;
01751f54 822 info->head.val |= INFO_AMP_VOL(ch);
4a19faee 823 return info->vol[ch];
1da177e4
LT		 824}
825
826/*
4a19faee 827 * write the current volume in info to the h/w and update the cache
1da177e4 828 */
4a19faee 829static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
0ba21762
TI		 830 hda_nid_t nid, int ch, int direction, int index,
831 int val)
1da177e4
LT		 832{
833 u32 parm;
834
835 parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
836 parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
837 parm |= index << AC_AMP_SET_INDEX_SHIFT;
838 parm |= val;
839 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
4a19faee 840 info->vol[ch] = val;
1da177e4
LT		 841}
842
843/*
4a19faee 844 * read AMP value. The volume is between 0 to 0x7f, 0x80 = mute bit.
1da177e4 845 */
834be88d
TI		 846int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
847 int direction, int index)
1da177e4 848{
0ba21762
TI		 849 struct hda_amp_info *info;
850 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
851 if (!info)
1da177e4 852 return 0;
4a19faee 853 return get_vol_mute(codec, info, nid, ch, direction, index);
1da177e4
LT		 854}
855
4a19faee
TI		 856/*
857 * update the AMP value, mask = bit mask to set, val = the value
858 */
834be88d
TI		 859int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
860 int direction, int idx, int mask, int val)
1da177e4 861{
0ba21762 862 struct hda_amp_info *info;
4a19faee 863
0ba21762
TI		 864 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx));
865 if (!info)
1da177e4 866 return 0;
4a19faee
TI		 867 val &= mask;
868 val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask;
82beb8fd 869 if (info->vol[ch] == val)
1da177e4 870 return 0;
4a19faee 871 put_vol_mute(codec, info, nid, ch, direction, idx, val);
1da177e4
LT		 872 return 1;
873}
874
47fd830a
TI		 875/*
876 * update the AMP stereo with the same mask and value
877 */
878int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
879 int direction, int idx, int mask, int val)
880{
881 int ch, ret = 0;
882 for (ch = 0; ch < 2; ch++)
883 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
884 idx, mask, val);
885 return ret;
886}
887
cb53c626 888#ifdef SND_HDA_NEEDS_RESUME
b3ac5636
TI		 889/* resume the all amp commands from the cache */
890void snd_hda_codec_resume_amp(struct hda_codec *codec)
891{
892 struct hda_amp_info *buffer = codec->amp_cache.buffer;
893 int i;
894
895 for (i = 0; i < codec->amp_cache.size; i++, buffer++) {
896 u32 key = buffer->head.key;
897 hda_nid_t nid;
898 unsigned int idx, dir, ch;
899 if (!key)
900 continue;
901 nid = key & 0xff;
902 idx = (key >> 16) & 0xff;
903 dir = (key >> 24) & 0xff;
904 for (ch = 0; ch < 2; ch++) {
905 if (!(buffer->head.val & INFO_AMP_VOL(ch)))
906 continue;
907 put_vol_mute(codec, buffer, nid, ch, dir, idx,
908 buffer->vol[ch]);
909 }
910 }
911}
cb53c626 912#endif /* SND_HDA_NEEDS_RESUME */
1da177e4
LT		 913
914/*
915 * AMP control callbacks
916 */
917/* retrieve parameters from private_value */
918#define get_amp_nid(kc) ((kc)->private_value & 0xffff)
919#define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3)
920#define get_amp_direction(kc) (((kc)->private_value >> 18) & 0x1)
921#define get_amp_index(kc) (((kc)->private_value >> 19) & 0xf)
922
923/* volume */
0ba21762
TI		 924int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
925 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 926{
927 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
928 u16 nid = get_amp_nid(kcontrol);
929 u8 chs = get_amp_channels(kcontrol);
930 int dir = get_amp_direction(kcontrol);
931 u32 caps;
932
933 caps = query_amp_caps(codec, nid, dir);
0ba21762
TI		 934 /* num steps */
935 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
936 if (!caps) {
937 printk(KERN_WARNING "hda_codec: "
938 "num_steps = 0 for NID=0x%x\n", nid);
1da177e4
LT		 939 return -EINVAL;
940 }
941 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
942 uinfo->count = chs == 3 ? 2 : 1;
943 uinfo->value.integer.min = 0;
944 uinfo->value.integer.max = caps;
945 return 0;
946}
947
0ba21762
TI		 948int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
949 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 950{
951 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
952 hda_nid_t nid = get_amp_nid(kcontrol);
953 int chs = get_amp_channels(kcontrol);
954 int dir = get_amp_direction(kcontrol);
955 int idx = get_amp_index(kcontrol);
956 long *valp = ucontrol->value.integer.value;
957
958 if (chs & 1)
47fd830a
TI		 959 *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx)
960 & HDA_AMP_VOLMASK;
1da177e4 961 if (chs & 2)
47fd830a
TI		 962 *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx)
963 & HDA_AMP_VOLMASK;
1da177e4
LT		 964 return 0;
965}
966
0ba21762
TI		 967int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
968 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 969{
970 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
971 hda_nid_t nid = get_amp_nid(kcontrol);
972 int chs = get_amp_channels(kcontrol);
973 int dir = get_amp_direction(kcontrol);
974 int idx = get_amp_index(kcontrol);
1da177e4
LT		 975 long *valp = ucontrol->value.integer.value;
976 int change = 0;
977
cb53c626 978 snd_hda_power_up(codec);
b9f5a89c 979 if (chs & 1) {
4a19faee
TI		 980 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
981 0x7f, *valp);
b9f5a89c
NG		 982 valp++;
983 }
4a19faee
TI		 984 if (chs & 2)
985 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
b9f5a89c 986 0x7f, *valp);
cb53c626 987 snd_hda_power_down(codec);
1da177e4
LT		 988 return change;
989}
990
302e9c5a
JK		 991int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
992 unsigned int size, unsigned int __user *_tlv)
993{
994 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
995 hda_nid_t nid = get_amp_nid(kcontrol);
996 int dir = get_amp_direction(kcontrol);
997 u32 caps, val1, val2;
998
999 if (size < 4 * sizeof(unsigned int))
1000 return -ENOMEM;
1001 caps = query_amp_caps(codec, nid, dir);
0ba21762
TI		 1002 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1003 val2 = (val2 + 1) * 25;
302e9c5a
JK		 1004 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1005 val1 = ((int)val1) * ((int)val2);
302e9c5a
JK		 1006 if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
1007 return -EFAULT;
1008 if (put_user(2 * sizeof(unsigned int), _tlv + 1))
1009 return -EFAULT;
1010 if (put_user(val1, _tlv + 2))
1011 return -EFAULT;
1012 if (put_user(val2, _tlv + 3))
1013 return -EFAULT;
1014 return 0;
1015}
1016
1da177e4 1017/* switch */
0ba21762
TI		 1018int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
1019 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 1020{
1021 int chs = get_amp_channels(kcontrol);
1022
1023 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1024 uinfo->count = chs == 3 ? 2 : 1;
1025 uinfo->value.integer.min = 0;
1026 uinfo->value.integer.max = 1;
1027 return 0;
1028}
1029
0ba21762
TI		 1030int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
1031 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1032{
1033 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1034 hda_nid_t nid = get_amp_nid(kcontrol);
1035 int chs = get_amp_channels(kcontrol);
1036 int dir = get_amp_direction(kcontrol);
1037 int idx = get_amp_index(kcontrol);
1038 long *valp = ucontrol->value.integer.value;
1039
1040 if (chs & 1)
0ba21762 1041 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
47fd830a 1042 HDA_AMP_MUTE) ? 0 : 1;
1da177e4 1043 if (chs & 2)
0ba21762 1044 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
47fd830a 1045 HDA_AMP_MUTE) ? 0 : 1;
1da177e4
LT		 1046 return 0;
1047}
1048
0ba21762
TI		 1049int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
1050 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1051{
1052 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1053 hda_nid_t nid = get_amp_nid(kcontrol);
1054 int chs = get_amp_channels(kcontrol);
1055 int dir = get_amp_direction(kcontrol);
1056 int idx = get_amp_index(kcontrol);
1da177e4
LT		 1057 long *valp = ucontrol->value.integer.value;
1058 int change = 0;
1059
cb53c626 1060 snd_hda_power_up(codec);
b9f5a89c 1061 if (chs & 1) {
4a19faee 1062 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
47fd830a
TI		 1063 HDA_AMP_MUTE,
1064 *valp ? 0 : HDA_AMP_MUTE);
b9f5a89c
NG		 1065 valp++;
1066 }
4a19faee
TI		 1067 if (chs & 2)
1068 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
47fd830a
TI		 1069 HDA_AMP_MUTE,
1070 *valp ? 0 : HDA_AMP_MUTE);
cb53c626
TI		 1071#ifdef CONFIG_SND_HDA_POWER_SAVE
1072 if (codec->patch_ops.check_power_status)
1073 codec->patch_ops.check_power_status(codec, nid);
1074#endif
1075 snd_hda_power_down(codec);
1da177e4
LT		 1076 return change;
1077}
1078
985be54b
TI		 1079/*
1080 * bound volume controls
1081 *
1082 * bind multiple volumes (# indices, from 0)
1083 */
1084
1085#define AMP_VAL_IDX_SHIFT 19
1086#define AMP_VAL_IDX_MASK (0x0f<<19)
1087
0ba21762
TI		 1088int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
1089 struct snd_ctl_elem_value *ucontrol)
985be54b
TI		 1090{
1091 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1092 unsigned long pval;
1093 int err;
1094
62932df8 1095 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
985be54b
TI		 1096 pval = kcontrol->private_value;
1097 kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
1098 err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
1099 kcontrol->private_value = pval;
62932df8 1100 mutex_unlock(&codec->spdif_mutex);
985be54b
TI		 1101 return err;
1102}
1103
0ba21762
TI		 1104int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
1105 struct snd_ctl_elem_value *ucontrol)
985be54b
TI		 1106{
1107 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1108 unsigned long pval;
1109 int i, indices, err = 0, change = 0;
1110
62932df8 1111 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
985be54b
TI		 1112 pval = kcontrol->private_value;
1113 indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
1114 for (i = 0; i < indices; i++) {
0ba21762
TI		 1115 kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) |
1116 (i << AMP_VAL_IDX_SHIFT);
985be54b
TI		 1117 err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
1118 if (err < 0)
1119 break;
1120 change |= err;
1121 }
1122 kcontrol->private_value = pval;
62932df8 1123 mutex_unlock(&codec->spdif_mutex);
985be54b
TI		 1124 return err < 0 ? err : change;
1125}
1126
532d5381
TI		 1127/*
1128 * generic bound volume/swtich controls
1129 */
1130int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
1131 struct snd_ctl_elem_info *uinfo)
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->info(kcontrol, uinfo);
1141 kcontrol->private_value = (long)c;
1142 mutex_unlock(&codec->spdif_mutex);
1143 return err;
1144}
1145
1146int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
1147 struct snd_ctl_elem_value *ucontrol)
1148{
1149 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1150 struct hda_bind_ctls *c;
1151 int err;
1152
1153 c = (struct hda_bind_ctls *)kcontrol->private_value;
1154 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1155 kcontrol->private_value = *c->values;
1156 err = c->ops->get(kcontrol, ucontrol);
1157 kcontrol->private_value = (long)c;
1158 mutex_unlock(&codec->spdif_mutex);
1159 return err;
1160}
1161
1162int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
1163 struct snd_ctl_elem_value *ucontrol)
1164{
1165 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1166 struct hda_bind_ctls *c;
1167 unsigned long *vals;
1168 int err = 0, change = 0;
1169
1170 c = (struct hda_bind_ctls *)kcontrol->private_value;
1171 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1172 for (vals = c->values; *vals; vals++) {
1173 kcontrol->private_value = *vals;
1174 err = c->ops->put(kcontrol, ucontrol);
1175 if (err < 0)
1176 break;
1177 change |= err;
1178 }
1179 kcontrol->private_value = (long)c;
1180 mutex_unlock(&codec->spdif_mutex);
1181 return err < 0 ? err : change;
1182}
1183
1184int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1185 unsigned int size, unsigned int __user *tlv)
1186{
1187 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1188 struct hda_bind_ctls *c;
1189 int err;
1190
1191 c = (struct hda_bind_ctls *)kcontrol->private_value;
1192 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1193 kcontrol->private_value = *c->values;
1194 err = c->ops->tlv(kcontrol, op_flag, size, tlv);
1195 kcontrol->private_value = (long)c;
1196 mutex_unlock(&codec->spdif_mutex);
1197 return err;
1198}
1199
1200struct hda_ctl_ops snd_hda_bind_vol = {
1201 .info = snd_hda_mixer_amp_volume_info,
1202 .get = snd_hda_mixer_amp_volume_get,
1203 .put = snd_hda_mixer_amp_volume_put,
1204 .tlv = snd_hda_mixer_amp_tlv
1205};
1206
1207struct hda_ctl_ops snd_hda_bind_sw = {
1208 .info = snd_hda_mixer_amp_switch_info,
1209 .get = snd_hda_mixer_amp_switch_get,
1210 .put = snd_hda_mixer_amp_switch_put,
1211 .tlv = snd_hda_mixer_amp_tlv
1212};
1213
1da177e4
LT		 1214/*
1215 * SPDIF out controls
1216 */
1217
0ba21762
TI		 1218static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
1219 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 1220{
1221 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1222 uinfo->count = 1;
1223 return 0;
1224}
1225
0ba21762
TI		 1226static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
1227 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1228{
1229 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1230 IEC958_AES0_NONAUDIO |
1231 IEC958_AES0_CON_EMPHASIS_5015 |
1232 IEC958_AES0_CON_NOT_COPYRIGHT;
1233 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
1234 IEC958_AES1_CON_ORIGINAL;
1235 return 0;
1236}
1237
0ba21762
TI		 1238static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
1239 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1240{
1241 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1242 IEC958_AES0_NONAUDIO |
1243 IEC958_AES0_PRO_EMPHASIS_5015;
1244 return 0;
1245}
1246
0ba21762
TI		 1247static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
1248 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1249{
1250 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1251
1252 ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff;
1253 ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff;
1254 ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff;
1255 ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff;
1256
1257 return 0;
1258}
1259
1260/* convert from SPDIF status bits to HDA SPDIF bits
1261 * bit 0 (DigEn) is always set zero (to be filled later)
1262 */
1263static unsigned short convert_from_spdif_status(unsigned int sbits)
1264{
1265 unsigned short val = 0;
1266
1267 if (sbits & IEC958_AES0_PROFESSIONAL)
0ba21762 1268 val |= AC_DIG1_PROFESSIONAL;
1da177e4 1269 if (sbits & IEC958_AES0_NONAUDIO)
0ba21762 1270 val |= AC_DIG1_NONAUDIO;
1da177e4 1271 if (sbits & IEC958_AES0_PROFESSIONAL) {
0ba21762
TI		 1272 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
1273 IEC958_AES0_PRO_EMPHASIS_5015)
1274 val |= AC_DIG1_EMPHASIS;
1da177e4 1275 } else {
0ba21762
TI		 1276 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
1277 IEC958_AES0_CON_EMPHASIS_5015)
1278 val |= AC_DIG1_EMPHASIS;
1279 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
1280 val |= AC_DIG1_COPYRIGHT;
1da177e4 1281 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
0ba21762 1282 val |= AC_DIG1_LEVEL;
1da177e4
LT		 1283 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
1284 }
1285 return val;
1286}
1287
1288/* convert to SPDIF status bits from HDA SPDIF bits
1289 */
1290static unsigned int convert_to_spdif_status(unsigned short val)
1291{
1292 unsigned int sbits = 0;
1293
0ba21762 1294 if (val & AC_DIG1_NONAUDIO)
1da177e4 1295 sbits |= IEC958_AES0_NONAUDIO;
0ba21762 1296 if (val & AC_DIG1_PROFESSIONAL)
1da177e4
LT		 1297 sbits |= IEC958_AES0_PROFESSIONAL;
1298 if (sbits & IEC958_AES0_PROFESSIONAL) {
0ba21762 1299 if (sbits & AC_DIG1_EMPHASIS)
1da177e4
LT		 1300 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
1301 } else {
0ba21762 1302 if (val & AC_DIG1_EMPHASIS)
1da177e4 1303 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
0ba21762 1304 if (!(val & AC_DIG1_COPYRIGHT))
1da177e4 1305 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
0ba21762 1306 if (val & AC_DIG1_LEVEL)
1da177e4
LT		 1307 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
1308 sbits |= val & (0x7f << 8);
1309 }
1310 return sbits;
1311}
1312
0ba21762
TI		 1313static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
1314 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1315{
1316 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1317 hda_nid_t nid = kcontrol->private_value;
1318 unsigned short val;
1319 int change;
1320
62932df8 1321 mutex_lock(&codec->spdif_mutex);
1da177e4
LT		 1322 codec->spdif_status = ucontrol->value.iec958.status[0] |
1323 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
1324 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
1325 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
1326 val = convert_from_spdif_status(codec->spdif_status);
1327 val |= codec->spdif_ctls & 1;
1328 change = codec->spdif_ctls != val;
1329 codec->spdif_ctls = val;
1330
82beb8fd
TI		 1331 if (change) {
1332 snd_hda_codec_write_cache(codec, nid, 0,
1333 AC_VERB_SET_DIGI_CONVERT_1,
1334 val & 0xff);
1335 snd_hda_codec_write_cache(codec, nid, 0,
1336 AC_VERB_SET_DIGI_CONVERT_2,
1337 val >> 8);
1da177e4
LT		 1338 }
1339
62932df8 1340 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1341 return change;
1342}
1343
a5ce8890 1344#define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
1da177e4 1345
0ba21762
TI		 1346static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
1347 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1348{
1349 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1350
0ba21762 1351 ucontrol->value.integer.value[0] = codec->spdif_ctls & AC_DIG1_ENABLE;
1da177e4
LT		 1352 return 0;
1353}
1354
0ba21762
TI		 1355static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
1356 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1357{
1358 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1359 hda_nid_t nid = kcontrol->private_value;
1360 unsigned short val;
1361 int change;
1362
62932df8 1363 mutex_lock(&codec->spdif_mutex);
0ba21762 1364 val = codec->spdif_ctls & ~AC_DIG1_ENABLE;
1da177e4 1365 if (ucontrol->value.integer.value[0])
0ba21762 1366 val |= AC_DIG1_ENABLE;
1da177e4 1367 change = codec->spdif_ctls != val;
82beb8fd 1368 if (change) {
1da177e4 1369 codec->spdif_ctls = val;
82beb8fd
TI		 1370 snd_hda_codec_write_cache(codec, nid, 0,
1371 AC_VERB_SET_DIGI_CONVERT_1,
1372 val & 0xff);
0ba21762
TI		 1373 /* unmute amp switch (if any) */
1374 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
47fd830a
TI		 1375 (val & AC_DIG1_ENABLE))
1376 snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
1377 HDA_AMP_MUTE, 0);
1da177e4 1378 }
62932df8 1379 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1380 return change;
1381}
1382
c8b6bf9b 1383static struct snd_kcontrol_new dig_mixes[] = {
1da177e4
LT		 1384 {
1385 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1386 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1387 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1388 .info = snd_hda_spdif_mask_info,
1389 .get = snd_hda_spdif_cmask_get,
1390 },
1391 {
1392 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1393 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1394 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1395 .info = snd_hda_spdif_mask_info,
1396 .get = snd_hda_spdif_pmask_get,
1397 },
1398 {
1399 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1400 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1401 .info = snd_hda_spdif_mask_info,
1402 .get = snd_hda_spdif_default_get,
1403 .put = snd_hda_spdif_default_put,
1404 },
1405 {
1406 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1407 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1408 .info = snd_hda_spdif_out_switch_info,
1409 .get = snd_hda_spdif_out_switch_get,
1410 .put = snd_hda_spdif_out_switch_put,
1411 },
1412 { } /* end */
1413};
1414
1415/**
1416 * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1417 * @codec: the HDA codec
1418 * @nid: audio out widget NID
1419 *
1420 * Creates controls related with the SPDIF output.
1421 * Called from each patch supporting the SPDIF out.
1422 *
1423 * Returns 0 if successful, or a negative error code.
1424 */
12f288bf 1425int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid)
1da177e4
LT		 1426{
1427 int err;
c8b6bf9b
TI		 1428 struct snd_kcontrol *kctl;
1429 struct snd_kcontrol_new *dig_mix;
1da177e4
LT		 1430
1431 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
1432 kctl = snd_ctl_new1(dig_mix, codec);
1433 kctl->private_value = nid;
0ba21762
TI		 1434 err = snd_ctl_add(codec->bus->card, kctl);
1435 if (err < 0)
1da177e4
LT		 1436 return err;
1437 }
0ba21762
TI		 1438 codec->spdif_ctls =
1439 snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0);
1da177e4
LT		 1440 codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
1441 return 0;
1442}
1443
1444/*
1445 * SPDIF input
1446 */
1447
1448#define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
1449
0ba21762
TI		 1450static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
1451 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1452{
1453 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1454
1455 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
1456 return 0;
1457}
1458
0ba21762
TI		 1459static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
1460 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1461{
1462 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1463 hda_nid_t nid = kcontrol->private_value;
1464 unsigned int val = !!ucontrol->value.integer.value[0];
1465 int change;
1466
62932df8 1467 mutex_lock(&codec->spdif_mutex);
1da177e4 1468 change = codec->spdif_in_enable != val;
82beb8fd 1469 if (change) {
1da177e4 1470 codec->spdif_in_enable = val;
82beb8fd
TI		 1471 snd_hda_codec_write_cache(codec, nid, 0,
1472 AC_VERB_SET_DIGI_CONVERT_1, val);
1da177e4 1473 }
62932df8 1474 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 1475 return change;
1476}
1477
0ba21762
TI		 1478static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
1479 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1480{
1481 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1482 hda_nid_t nid = kcontrol->private_value;
1483 unsigned short val;
1484 unsigned int sbits;
1485
1486 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0);
1487 sbits = convert_to_spdif_status(val);
1488 ucontrol->value.iec958.status[0] = sbits;
1489 ucontrol->value.iec958.status[1] = sbits >> 8;
1490 ucontrol->value.iec958.status[2] = sbits >> 16;
1491 ucontrol->value.iec958.status[3] = sbits >> 24;
1492 return 0;
1493}
1494
c8b6bf9b 1495static struct snd_kcontrol_new dig_in_ctls[] = {
1da177e4
LT		 1496 {
1497 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1498 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
1499 .info = snd_hda_spdif_in_switch_info,
1500 .get = snd_hda_spdif_in_switch_get,
1501 .put = snd_hda_spdif_in_switch_put,
1502 },
1503 {
1504 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1505 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1506 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1507 .info = snd_hda_spdif_mask_info,
1508 .get = snd_hda_spdif_in_status_get,
1509 },
1510 { } /* end */
1511};
1512
1513/**
1514 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1515 * @codec: the HDA codec
1516 * @nid: audio in widget NID
1517 *
1518 * Creates controls related with the SPDIF input.
1519 * Called from each patch supporting the SPDIF in.
1520 *
1521 * Returns 0 if successful, or a negative error code.
1522 */
12f288bf 1523int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
1da177e4
LT		 1524{
1525 int err;
c8b6bf9b
TI		 1526 struct snd_kcontrol *kctl;
1527 struct snd_kcontrol_new *dig_mix;
1da177e4
LT		 1528
1529 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
1530 kctl = snd_ctl_new1(dig_mix, codec);
1531 kctl->private_value = nid;
0ba21762
TI		 1532 err = snd_ctl_add(codec->bus->card, kctl);
1533 if (err < 0)
1da177e4
LT		 1534 return err;
1535 }
0ba21762
TI		 1536 codec->spdif_in_enable =
1537 snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0) &
1538 AC_DIG1_ENABLE;
1da177e4
LT		 1539 return 0;
1540}
1541
cb53c626 1542#ifdef SND_HDA_NEEDS_RESUME
82beb8fd
TI		 1543/*
1544 * command cache
1545 */
1da177e4 1546
b3ac5636
TI		 1547/* build a 32bit cache key with the widget id and the command parameter */
1548#define build_cmd_cache_key(nid, verb) ((verb << 8) | nid)
1549#define get_cmd_cache_nid(key) ((key) & 0xff)
1550#define get_cmd_cache_cmd(key) (((key) >> 8) & 0xffff)
1551
1552/**
1553 * snd_hda_codec_write_cache - send a single command with caching
1554 * @codec: the HDA codec
1555 * @nid: NID to send the command
1556 * @direct: direct flag
1557 * @verb: the verb to send
1558 * @parm: the parameter for the verb
1559 *
1560 * Send a single command without waiting for response.
1561 *
1562 * Returns 0 if successful, or a negative error code.
1563 */
1564int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
1565 int direct, unsigned int verb, unsigned int parm)
1566{
1567 int err;
cb53c626 1568 snd_hda_power_up(codec);
b3ac5636
TI		 1569 mutex_lock(&codec->bus->cmd_mutex);
1570 err = codec->bus->ops.command(codec, nid, direct, verb, parm);
1571 if (!err) {
1572 struct hda_cache_head *c;
1573 u32 key = build_cmd_cache_key(nid, verb);
1574 c = get_alloc_hash(&codec->cmd_cache, key);
1575 if (c)
1576 c->val = parm;
1577 }
1578 mutex_unlock(&codec->bus->cmd_mutex);
cb53c626 1579 snd_hda_power_down(codec);
b3ac5636
TI		 1580 return err;
1581}
1582
1583/* resume the all commands from the cache */
1584void snd_hda_codec_resume_cache(struct hda_codec *codec)
1585{
1586 struct hda_cache_head *buffer = codec->cmd_cache.buffer;
1587 int i;
1588
1589 for (i = 0; i < codec->cmd_cache.size; i++, buffer++) {
1590 u32 key = buffer->key;
1591 if (!key)
1592 continue;
1593 snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0,
1594 get_cmd_cache_cmd(key), buffer->val);
1595 }
1596}
1597
1598/**
1599 * snd_hda_sequence_write_cache - sequence writes with caching
1600 * @codec: the HDA codec
1601 * @seq: VERB array to send
1602 *
1603 * Send the commands sequentially from the given array.
1604 * Thte commands are recorded on cache for power-save and resume.
1605 * The array must be terminated with NID=0.
1606 */
1607void snd_hda_sequence_write_cache(struct hda_codec *codec,
1608 const struct hda_verb *seq)
1609{
1610 for (; seq->nid; seq++)
1611 snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb,
1612 seq->param);
1613}
cb53c626 1614#endif /* SND_HDA_NEEDS_RESUME */
b3ac5636 1615
54d17403
TI		 1616/*
1617 * set power state of the codec
1618 */
1619static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
1620 unsigned int power_state)
1621{
cb53c626
TI		 1622 hda_nid_t nid;
1623 int i;
54d17403
TI		 1624
1625 snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE,
1626 power_state);
1627
cb53c626
TI		 1628 nid = codec->start_nid;
1629 for (i = 0; i < codec->num_nodes; i++, nid++) {
54d17403
TI		 1630 if (get_wcaps(codec, nid) & AC_WCAP_POWER)
1631 snd_hda_codec_write(codec, nid, 0,
1632 AC_VERB_SET_POWER_STATE,
1633 power_state);
1634 }
1635
cb53c626
TI		 1636 if (power_state == AC_PWRST_D0) {
1637 unsigned long end_time;
1638 int state;
54d17403 1639 msleep(10);
cb53c626
TI		 1640 /* wait until the codec reachs to D0 */
1641 end_time = jiffies + msecs_to_jiffies(500);
1642 do {
1643 state = snd_hda_codec_read(codec, fg, 0,
1644 AC_VERB_GET_POWER_STATE, 0);
1645 if (state == power_state)
1646 break;
1647 msleep(1);
1648 } while (time_after_eq(end_time, jiffies));
1649 }
1650}
1651
1652#ifdef SND_HDA_NEEDS_RESUME
1653/*
1654 * call suspend and power-down; used both from PM and power-save
1655 */
1656static void hda_call_codec_suspend(struct hda_codec *codec)
1657{
1658 if (codec->patch_ops.suspend)
1659 codec->patch_ops.suspend(codec, PMSG_SUSPEND);
1660 hda_set_power_state(codec,
1661 codec->afg ? codec->afg : codec->mfg,
1662 AC_PWRST_D3);
1663#ifdef CONFIG_SND_HDA_POWER_SAVE
1664 cancel_delayed_work(&codec->power_work);
1665#endif
54d17403
TI		 1666}
1667
cb53c626
TI		 1668/*
1669 * kick up codec; used both from PM and power-save
1670 */
1671static void hda_call_codec_resume(struct hda_codec *codec)
1672{
1673 hda_set_power_state(codec,
1674 codec->afg ? codec->afg : codec->mfg,
1675 AC_PWRST_D0);
1676 if (codec->patch_ops.resume)
1677 codec->patch_ops.resume(codec);
1678 else {
1679 codec->patch_ops.init(codec);
1680 snd_hda_codec_resume_amp(codec);
1681 snd_hda_codec_resume_cache(codec);
1682 }
1683}
1684#endif /* SND_HDA_NEEDS_RESUME */
1685
54d17403 1686
1da177e4
LT		 1687/**
1688 * snd_hda_build_controls - build mixer controls
1689 * @bus: the BUS
1690 *
1691 * Creates mixer controls for each codec included in the bus.
1692 *
1693 * Returns 0 if successful, otherwise a negative error code.
1694 */
756e2b01 1695int __devinit snd_hda_build_controls(struct hda_bus *bus)
1da177e4 1696{
0ba21762 1697 struct hda_codec *codec;
1da177e4 1698
0ba21762 1699 list_for_each_entry(codec, &bus->codec_list, list) {
cb53c626
TI		 1700 int err = 0;
1701 /* fake as if already powered-on */
1702 hda_keep_power_on(codec);
1703 /* then fire up */
54d17403
TI		 1704 hda_set_power_state(codec,
1705 codec->afg ? codec->afg : codec->mfg,
1706 AC_PWRST_D0);
cb53c626
TI		 1707 /* continue to initialize... */
1708 if (codec->patch_ops.init)
1709 err = codec->patch_ops.init(codec);
1710 if (!err && codec->patch_ops.build_controls)
1711 err = codec->patch_ops.build_controls(codec);
1712 snd_hda_power_down(codec);
1da177e4
LT		 1713 if (err < 0)
1714 return err;
1715 }
cb53c626 1716
1da177e4
LT		 1717 return 0;
1718}
1719
1da177e4
LT		 1720/*
1721 * stream formats
1722 */
befdf316
TI		 1723struct hda_rate_tbl {
1724 unsigned int hz;
1725 unsigned int alsa_bits;
1726 unsigned int hda_fmt;
1727};
1728
1729static struct hda_rate_tbl rate_bits[] = {
1da177e4 1730 /* rate in Hz, ALSA rate bitmask, HDA format value */
9d8f53f2
NG		 1731
1732 /* autodetected value used in snd_hda_query_supported_pcm */
1da177e4
LT		 1733 { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
1734 { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
1735 { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
1736 { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
1737 { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
1738 { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
1739 { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
1740 { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
1741 { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
1742 { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
1743 { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
a961f9fe
TI		 1744#define AC_PAR_PCM_RATE_BITS 11
1745 /* up to bits 10, 384kHZ isn't supported properly */
1746
1747 /* not autodetected value */
1748 { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
9d8f53f2 1749
befdf316 1750 { 0 } /* terminator */
1da177e4
LT		 1751};
1752
1753/**
1754 * snd_hda_calc_stream_format - calculate format bitset
1755 * @rate: the sample rate
1756 * @channels: the number of channels
1757 * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
1758 * @maxbps: the max. bps
1759 *
1760 * Calculate the format bitset from the given rate, channels and th PCM format.
1761 *
1762 * Return zero if invalid.
1763 */
1764unsigned int snd_hda_calc_stream_format(unsigned int rate,
1765 unsigned int channels,
1766 unsigned int format,
1767 unsigned int maxbps)
1768{
1769 int i;
1770 unsigned int val = 0;
1771
befdf316
TI		 1772 for (i = 0; rate_bits[i].hz; i++)
1773 if (rate_bits[i].hz == rate) {
1774 val = rate_bits[i].hda_fmt;
1da177e4
LT		 1775 break;
1776 }
0ba21762 1777 if (!rate_bits[i].hz) {
1da177e4
LT		 1778 snd_printdd("invalid rate %d\n", rate);
1779 return 0;
1780 }
1781
1782 if (channels == 0 || channels > 8) {
1783 snd_printdd("invalid channels %d\n", channels);
1784 return 0;
1785 }
1786 val |= channels - 1;
1787
1788 switch (snd_pcm_format_width(format)) {
1789 case 8: val |= 0x00; break;
1790 case 16: val |= 0x10; break;
1791 case 20:
1792 case 24:
1793 case 32:
1794 if (maxbps >= 32)
1795 val |= 0x40;
1796 else if (maxbps >= 24)
1797 val |= 0x30;
1798 else
1799 val |= 0x20;
1800 break;
1801 default:
0ba21762
TI		 1802 snd_printdd("invalid format width %d\n",
1803 snd_pcm_format_width(format));
1da177e4
LT		 1804 return 0;
1805 }
1806
1807 return val;
1808}
1809
1810/**
1811 * snd_hda_query_supported_pcm - query the supported PCM rates and formats
1812 * @codec: the HDA codec
1813 * @nid: NID to query
1814 * @ratesp: the pointer to store the detected rate bitflags
1815 * @formatsp: the pointer to store the detected formats
1816 * @bpsp: the pointer to store the detected format widths
1817 *
1818 * Queries the supported PCM rates and formats. The NULL @ratesp, @formatsp
1819 * or @bsps argument is ignored.
1820 *
1821 * Returns 0 if successful, otherwise a negative error code.
1822 */
1823int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
1824 u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
1825{
1826 int i;
1827 unsigned int val, streams;
1828
1829 val = 0;
1830 if (nid != codec->afg &&
54d17403 1831 (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
1da177e4
LT		 1832 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
1833 if (val == -1)
1834 return -EIO;
1835 }
0ba21762 1836 if (!val)
1da177e4
LT		 1837 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
1838
1839 if (ratesp) {
1840 u32 rates = 0;
a961f9fe 1841 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) {
1da177e4 1842 if (val & (1 << i))
befdf316 1843 rates |= rate_bits[i].alsa_bits;
1da177e4
LT		 1844 }
1845 *ratesp = rates;
1846 }
1847
1848 if (formatsp || bpsp) {
1849 u64 formats = 0;
1850 unsigned int bps;
1851 unsigned int wcaps;
1852
54d17403 1853 wcaps = get_wcaps(codec, nid);
1da177e4
LT		 1854 streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
1855 if (streams == -1)
1856 return -EIO;
0ba21762
TI		 1857 if (!streams) {
1858 streams = snd_hda_param_read(codec, codec->afg,
1859 AC_PAR_STREAM);
1da177e4
LT		 1860 if (streams == -1)
1861 return -EIO;
1862 }
1863
1864 bps = 0;
1865 if (streams & AC_SUPFMT_PCM) {
1866 if (val & AC_SUPPCM_BITS_8) {
1867 formats |= SNDRV_PCM_FMTBIT_U8;
1868 bps = 8;
1869 }
1870 if (val & AC_SUPPCM_BITS_16) {
1871 formats |= SNDRV_PCM_FMTBIT_S16_LE;
1872 bps = 16;
1873 }
1874 if (wcaps & AC_WCAP_DIGITAL) {
1875 if (val & AC_SUPPCM_BITS_32)
1876 formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
1877 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
1878 formats |= SNDRV_PCM_FMTBIT_S32_LE;
1879 if (val & AC_SUPPCM_BITS_24)
1880 bps = 24;
1881 else if (val & AC_SUPPCM_BITS_20)
1882 bps = 20;
0ba21762
TI		 1883 } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|
1884 AC_SUPPCM_BITS_32)) {
1da177e4
LT		 1885 formats |= SNDRV_PCM_FMTBIT_S32_LE;
1886 if (val & AC_SUPPCM_BITS_32)
1887 bps = 32;
1da177e4
LT		 1888 else if (val & AC_SUPPCM_BITS_24)
1889 bps = 24;
33ef7651
NG		 1890 else if (val & AC_SUPPCM_BITS_20)
1891 bps = 20;
1da177e4
LT		 1892 }
1893 }
0ba21762
TI		 1894 else if (streams == AC_SUPFMT_FLOAT32) {
1895 /* should be exclusive */
1da177e4
LT		 1896 formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
1897 bps = 32;
0ba21762
TI		 1898 } else if (streams == AC_SUPFMT_AC3) {
1899 /* should be exclusive */
1da177e4
LT		 1900 /* temporary hack: we have still no proper support
1901 * for the direct AC3 stream...
1902 */
1903 formats |= SNDRV_PCM_FMTBIT_U8;
1904 bps = 8;
1905 }
1906 if (formatsp)
1907 *formatsp = formats;
1908 if (bpsp)
1909 *bpsp = bps;
1910 }
1911
1912 return 0;
1913}
1914
1915/**
0ba21762
TI		 1916 * snd_hda_is_supported_format - check whether the given node supports
1917 * the format val
1da177e4
LT		 1918 *
1919 * Returns 1 if supported, 0 if not.
1920 */
1921int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
1922 unsigned int format)
1923{
1924 int i;
1925 unsigned int val = 0, rate, stream;
1926
1927 if (nid != codec->afg &&
54d17403 1928 (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
1da177e4
LT		 1929 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
1930 if (val == -1)
1931 return 0;
1932 }
0ba21762 1933 if (!val) {
1da177e4
LT		 1934 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
1935 if (val == -1)
1936 return 0;
1937 }
1938
1939 rate = format & 0xff00;
a961f9fe 1940 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)
befdf316 1941 if (rate_bits[i].hda_fmt == rate) {
1da177e4
LT		 1942 if (val & (1 << i))
1943 break;
1944 return 0;
1945 }
a961f9fe 1946 if (i >= AC_PAR_PCM_RATE_BITS)
1da177e4
LT		 1947 return 0;
1948
1949 stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
1950 if (stream == -1)
1951 return 0;
0ba21762 1952 if (!stream && nid != codec->afg)
1da177e4 1953 stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
0ba21762 1954 if (!stream || stream == -1)
1da177e4
LT		 1955 return 0;
1956
1957 if (stream & AC_SUPFMT_PCM) {
1958 switch (format & 0xf0) {
1959 case 0x00:
0ba21762 1960 if (!(val & AC_SUPPCM_BITS_8))
1da177e4
LT		 1961 return 0;
1962 break;
1963 case 0x10:
0ba21762 1964 if (!(val & AC_SUPPCM_BITS_16))
1da177e4
LT		 1965 return 0;
1966 break;
1967 case 0x20:
0ba21762 1968 if (!(val & AC_SUPPCM_BITS_20))
1da177e4
LT		 1969 return 0;
1970 break;
1971 case 0x30:
0ba21762 1972 if (!(val & AC_SUPPCM_BITS_24))
1da177e4
LT		 1973 return 0;
1974 break;
1975 case 0x40:
0ba21762 1976 if (!(val & AC_SUPPCM_BITS_32))
1da177e4
LT		 1977 return 0;
1978 break;
1979 default:
1980 return 0;
1981 }
1982 } else {
1983 /* FIXME: check for float32 and AC3? */
1984 }
1985
1986 return 1;
1987}
1988
1989/*
1990 * PCM stuff
1991 */
1992static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
1993 struct hda_codec *codec,
c8b6bf9b 1994 struct snd_pcm_substream *substream)
1da177e4
LT		 1995{
1996 return 0;
1997}
1998
1999static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
2000 struct hda_codec *codec,
2001 unsigned int stream_tag,
2002 unsigned int format,
c8b6bf9b 2003 struct snd_pcm_substream *substream)
1da177e4
LT		 2004{
2005 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
2006 return 0;
2007}
2008
2009static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
2010 struct hda_codec *codec,
c8b6bf9b 2011 struct snd_pcm_substream *substream)
1da177e4
LT		 2012{
2013 snd_hda_codec_setup_stream(codec, hinfo->nid, 0, 0, 0);
2014 return 0;
2015}
2016
0ba21762
TI		 2017static int __devinit set_pcm_default_values(struct hda_codec *codec,
2018 struct hda_pcm_stream *info)
1da177e4 2019{
0ba21762
TI		 2020 /* query support PCM information from the given NID */
2021 if (info->nid && (!info->rates || !info->formats)) {
2022 snd_hda_query_supported_pcm(codec, info->nid,
2023 info->rates ? NULL : &info->rates,
2024 info->formats ? NULL : &info->formats,
2025 info->maxbps ? NULL : &info->maxbps);
1da177e4
LT		 2026 }
2027 if (info->ops.open == NULL)
2028 info->ops.open = hda_pcm_default_open_close;
2029 if (info->ops.close == NULL)
2030 info->ops.close = hda_pcm_default_open_close;
2031 if (info->ops.prepare == NULL) {
2032 snd_assert(info->nid, return -EINVAL);
2033 info->ops.prepare = hda_pcm_default_prepare;
2034 }
1da177e4
LT		 2035 if (info->ops.cleanup == NULL) {
2036 snd_assert(info->nid, return -EINVAL);
2037 info->ops.cleanup = hda_pcm_default_cleanup;
2038 }
2039 return 0;
2040}
2041
2042/**
2043 * snd_hda_build_pcms - build PCM information
2044 * @bus: the BUS
2045 *
2046 * Create PCM information for each codec included in the bus.
2047 *
2048 * The build_pcms codec patch is requested to set up codec->num_pcms and
2049 * codec->pcm_info properly. The array is referred by the top-level driver
2050 * to create its PCM instances.
2051 * The allocated codec->pcm_info should be released in codec->patch_ops.free
2052 * callback.
2053 *
2054 * At least, substreams, channels_min and channels_max must be filled for
2055 * each stream. substreams = 0 indicates that the stream doesn't exist.
2056 * When rates and/or formats are zero, the supported values are queried
2057 * from the given nid. The nid is used also by the default ops.prepare
2058 * and ops.cleanup callbacks.
2059 *
2060 * The driver needs to call ops.open in its open callback. Similarly,
2061 * ops.close is supposed to be called in the close callback.
2062 * ops.prepare should be called in the prepare or hw_params callback
2063 * with the proper parameters for set up.
2064 * ops.cleanup should be called in hw_free for clean up of streams.
2065 *
2066 * This function returns 0 if successfull, or a negative error code.
2067 */
756e2b01 2068int __devinit snd_hda_build_pcms(struct hda_bus *bus)
1da177e4 2069{
0ba21762 2070 struct hda_codec *codec;
1da177e4 2071
0ba21762 2072 list_for_each_entry(codec, &bus->codec_list, list) {
1da177e4
LT		 2073 unsigned int pcm, s;
2074 int err;
0ba21762 2075 if (!codec->patch_ops.build_pcms)
1da177e4
LT		 2076 continue;
2077 err = codec->patch_ops.build_pcms(codec);
2078 if (err < 0)
2079 return err;
2080 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
2081 for (s = 0; s < 2; s++) {
2082 struct hda_pcm_stream *info;
2083 info = &codec->pcm_info[pcm].stream[s];
0ba21762 2084 if (!info->substreams)
1da177e4
LT		 2085 continue;
2086 err = set_pcm_default_values(codec, info);
2087 if (err < 0)
2088 return err;
2089 }
2090 }
2091 }
2092 return 0;
2093}
2094
1da177e4
LT		 2095/**
2096 * snd_hda_check_board_config - compare the current codec with the config table
2097 * @codec: the HDA codec
f5fcc13c
TI		 2098 * @num_configs: number of config enums
2099 * @models: array of model name strings
1da177e4
LT		 2100 * @tbl: configuration table, terminated by null entries
2101 *
2102 * Compares the modelname or PCI subsystem id of the current codec with the
2103 * given configuration table. If a matching entry is found, returns its
2104 * config value (supposed to be 0 or positive).
2105 *
2106 * If no entries are matching, the function returns a negative value.
2107 */
12f288bf
TI		 2108int snd_hda_check_board_config(struct hda_codec *codec,
2109 int num_configs, const char **models,
2110 const struct snd_pci_quirk *tbl)
1da177e4 2111{
f5fcc13c
TI		 2112 if (codec->bus->modelname && models) {
2113 int i;
2114 for (i = 0; i < num_configs; i++) {
2115 if (models[i] &&
2116 !strcmp(codec->bus->modelname, models[i])) {
2117 snd_printd(KERN_INFO "hda_codec: model '%s' is "
2118 "selected\n", models[i]);
2119 return i;
1da177e4
LT		 2120 }
2121 }
2122 }
2123
f5fcc13c
TI		 2124 if (!codec->bus->pci || !tbl)
2125 return -1;
2126
2127 tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl);
2128 if (!tbl)
2129 return -1;
2130 if (tbl->value >= 0 && tbl->value < num_configs) {
2131#ifdef CONFIG_SND_DEBUG_DETECT
2132 char tmp[10];
2133 const char *model = NULL;
2134 if (models)
2135 model = models[tbl->value];
2136 if (!model) {
2137 sprintf(tmp, "#%d", tbl->value);
2138 model = tmp;
1da177e4 2139 }
f5fcc13c
TI		 2140 snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
2141 "for config %x:%x (%s)\n",
2142 model, tbl->subvendor, tbl->subdevice,
2143 (tbl->name ? tbl->name : "Unknown device"));
2144#endif
2145 return tbl->value;
1da177e4
LT		 2146 }
2147 return -1;
2148}
2149
2150/**
2151 * snd_hda_add_new_ctls - create controls from the array
2152 * @codec: the HDA codec
c8b6bf9b 2153 * @knew: the array of struct snd_kcontrol_new
1da177e4
LT		 2154 *
2155 * This helper function creates and add new controls in the given array.
2156 * The array must be terminated with an empty entry as terminator.
2157 *
2158 * Returns 0 if successful, or a negative error code.
2159 */
12f288bf 2160int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
1da177e4 2161{
cb53c626 2162 int err;
1da177e4
LT		 2163
2164 for (; knew->name; knew++) {
54d17403
TI		 2165 struct snd_kcontrol *kctl;
2166 kctl = snd_ctl_new1(knew, codec);
0ba21762 2167 if (!kctl)
54d17403
TI		 2168 return -ENOMEM;
2169 err = snd_ctl_add(codec->bus->card, kctl);
2170 if (err < 0) {
0ba21762 2171 if (!codec->addr)
54d17403
TI		 2172 return err;
2173 kctl = snd_ctl_new1(knew, codec);
0ba21762 2174 if (!kctl)
54d17403
TI		 2175 return -ENOMEM;
2176 kctl->id.device = codec->addr;
0ba21762
TI		 2177 err = snd_ctl_add(codec->bus->card, kctl);
2178 if (err < 0)
54d17403
TI		 2179 return err;
2180 }
1da177e4
LT		 2181 }
2182 return 0;
2183}
2184
cb53c626
TI		 2185#ifdef CONFIG_SND_HDA_POWER_SAVE
2186static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2187 unsigned int power_state);
2188
2189static void hda_power_work(struct work_struct *work)
2190{
2191 struct hda_codec *codec =
2192 container_of(work, struct hda_codec, power_work.work);
2193
2194 if (!codec->power_on || codec->power_count)
2195 return;
2196
2197 hda_call_codec_suspend(codec);
2198 codec->power_on = 0;
2199 if (codec->bus->ops.pm_notify)
2200 codec->bus->ops.pm_notify(codec);
2201}
2202
2203static void hda_keep_power_on(struct hda_codec *codec)
2204{
2205 codec->power_count++;
2206 codec->power_on = 1;
2207}
2208
2209void snd_hda_power_up(struct hda_codec *codec)
2210{
2211 codec->power_count++;
2212 if (codec->power_on)
2213 return;
2214
2215 codec->power_on = 1;
2216 if (codec->bus->ops.pm_notify)
2217 codec->bus->ops.pm_notify(codec);
2218 hda_call_codec_resume(codec);
2219 cancel_delayed_work(&codec->power_work);
2220}
2221
2222void snd_hda_power_down(struct hda_codec *codec)
2223{
2224 --codec->power_count;
2225 if (!codec->power_on)
2226 return;
2227 if (power_save)
2228 schedule_delayed_work(&codec->power_work,
2229 msecs_to_jiffies(power_save * 1000));
2230}
2231
2232int snd_hda_check_amp_list_power(struct hda_codec *codec,
2233 struct hda_loopback_check *check,
2234 hda_nid_t nid)
2235{
2236 struct hda_amp_list *p;
2237 int ch, v;
2238
2239 if (!check->amplist)
2240 return 0;
2241 for (p = check->amplist; p->nid; p++) {
2242 if (p->nid == nid)
2243 break;
2244 }
2245 if (!p->nid)
2246 return 0; /* nothing changed */
2247
2248 for (p = check->amplist; p->nid; p++) {
2249 for (ch = 0; ch < 2; ch++) {
2250 v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
2251 p->idx);
2252 if (!(v & HDA_AMP_MUTE) && v > 0) {
2253 if (!check->power_on) {
2254 check->power_on = 1;
2255 snd_hda_power_up(codec);
2256 }
2257 return 1;
2258 }
2259 }
2260 }
2261 if (check->power_on) {
2262 check->power_on = 0;
2263 snd_hda_power_down(codec);
2264 }
2265 return 0;
2266}
2267#endif
1da177e4 2268
c8b6bf9b 2269/*
d2a6d7dc
TI		 2270 * Channel mode helper
2271 */
0ba21762
TI		 2272int snd_hda_ch_mode_info(struct hda_codec *codec,
2273 struct snd_ctl_elem_info *uinfo,
2274 const struct hda_channel_mode *chmode,
2275 int num_chmodes)
d2a6d7dc
TI		 2276{
2277 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2278 uinfo->count = 1;
2279 uinfo->value.enumerated.items = num_chmodes;
2280 if (uinfo->value.enumerated.item >= num_chmodes)
2281 uinfo->value.enumerated.item = num_chmodes - 1;
2282 sprintf(uinfo->value.enumerated.name, "%dch",
2283 chmode[uinfo->value.enumerated.item].channels);
2284 return 0;
2285}
2286
0ba21762
TI		 2287int snd_hda_ch_mode_get(struct hda_codec *codec,
2288 struct snd_ctl_elem_value *ucontrol,
2289 const struct hda_channel_mode *chmode,
2290 int num_chmodes,
d2a6d7dc
TI		 2291 int max_channels)
2292{
2293 int i;
2294
2295 for (i = 0; i < num_chmodes; i++) {
2296 if (max_channels == chmode[i].channels) {
2297 ucontrol->value.enumerated.item[0] = i;
2298 break;
2299 }
2300 }
2301 return 0;
2302}
2303
0ba21762
TI		 2304int snd_hda_ch_mode_put(struct hda_codec *codec,
2305 struct snd_ctl_elem_value *ucontrol,
2306 const struct hda_channel_mode *chmode,
2307 int num_chmodes,
d2a6d7dc
TI		 2308 int *max_channelsp)
2309{
2310 unsigned int mode;
2311
2312 mode = ucontrol->value.enumerated.item[0];
2313 snd_assert(mode < num_chmodes, return -EINVAL);
82beb8fd 2314 if (*max_channelsp == chmode[mode].channels)
d2a6d7dc
TI		 2315 return 0;
2316 /* change the current channel setting */
2317 *max_channelsp = chmode[mode].channels;
2318 if (chmode[mode].sequence)
82beb8fd 2319 snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
d2a6d7dc
TI		 2320 return 1;
2321}
2322
1da177e4
LT		 2323/*
2324 * input MUX helper
2325 */
0ba21762
TI		 2326int snd_hda_input_mux_info(const struct hda_input_mux *imux,
2327 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 2328{
2329 unsigned int index;
2330
2331 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2332 uinfo->count = 1;
2333 uinfo->value.enumerated.items = imux->num_items;
2334 index = uinfo->value.enumerated.item;
2335 if (index >= imux->num_items)
2336 index = imux->num_items - 1;
2337 strcpy(uinfo->value.enumerated.name, imux->items[index].label);
2338 return 0;
2339}
2340
0ba21762
TI		 2341int snd_hda_input_mux_put(struct hda_codec *codec,
2342 const struct hda_input_mux *imux,
2343 struct snd_ctl_elem_value *ucontrol,
2344 hda_nid_t nid,
1da177e4
LT		 2345 unsigned int *cur_val)
2346{
2347 unsigned int idx;
2348
2349 idx = ucontrol->value.enumerated.item[0];
2350 if (idx >= imux->num_items)
2351 idx = imux->num_items - 1;
82beb8fd 2352 if (*cur_val == idx)
1da177e4 2353 return 0;
82beb8fd
TI		 2354 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
2355 imux->items[idx].index);
1da177e4
LT		 2356 *cur_val = idx;
2357 return 1;
2358}
2359
2360
2361/*
2362 * Multi-channel / digital-out PCM helper functions
2363 */
2364
6b97eb45
TI		 2365/* setup SPDIF output stream */
2366static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
2367 unsigned int stream_tag, unsigned int format)
2368{
2369 /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2370 if (codec->spdif_ctls & AC_DIG1_ENABLE)
2371 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
2372 codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
2373 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
2374 /* turn on again (if needed) */
2375 if (codec->spdif_ctls & AC_DIG1_ENABLE)
2376 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
2377 codec->spdif_ctls & 0xff);
2378}
2379
1da177e4
LT		 2380/*
2381 * open the digital out in the exclusive mode
2382 */
0ba21762
TI		 2383int snd_hda_multi_out_dig_open(struct hda_codec *codec,
2384 struct hda_multi_out *mout)
1da177e4 2385{
62932df8 2386 mutex_lock(&codec->spdif_mutex);
5930ca41
TI		 2387 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
2388 /* already opened as analog dup; reset it once */
2389 snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
1da177e4 2390 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
62932df8 2391 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2392 return 0;
2393}
2394
6b97eb45
TI		 2395int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
2396 struct hda_multi_out *mout,
2397 unsigned int stream_tag,
2398 unsigned int format,
2399 struct snd_pcm_substream *substream)
2400{
2401 mutex_lock(&codec->spdif_mutex);
2402 setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
2403 mutex_unlock(&codec->spdif_mutex);
2404 return 0;
2405}
2406
1da177e4
LT		 2407/*
2408 * release the digital out
2409 */
0ba21762
TI		 2410int snd_hda_multi_out_dig_close(struct hda_codec *codec,
2411 struct hda_multi_out *mout)
1da177e4 2412{
62932df8 2413 mutex_lock(&codec->spdif_mutex);
1da177e4 2414 mout->dig_out_used = 0;
62932df8 2415 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2416 return 0;
2417}
2418
2419/*
2420 * set up more restrictions for analog out
2421 */
0ba21762
TI		 2422int snd_hda_multi_out_analog_open(struct hda_codec *codec,
2423 struct hda_multi_out *mout,
c8b6bf9b 2424 struct snd_pcm_substream *substream)
1da177e4
LT		 2425{
2426 substream->runtime->hw.channels_max = mout->max_channels;
2427 return snd_pcm_hw_constraint_step(substream->runtime, 0,
2428 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2429}
2430
2431/*
2432 * set up the i/o for analog out
2433 * when the digital out is available, copy the front out to digital out, too.
2434 */
0ba21762
TI		 2435int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
2436 struct hda_multi_out *mout,
1da177e4
LT		 2437 unsigned int stream_tag,
2438 unsigned int format,
c8b6bf9b 2439 struct snd_pcm_substream *substream)
1da177e4
LT		 2440{
2441 hda_nid_t *nids = mout->dac_nids;
2442 int chs = substream->runtime->channels;
2443 int i;
2444
62932df8 2445 mutex_lock(&codec->spdif_mutex);
1da177e4
LT		 2446 if (mout->dig_out_nid && mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
2447 if (chs == 2 &&
0ba21762
TI		 2448 snd_hda_is_supported_format(codec, mout->dig_out_nid,
2449 format) &&
2450 !(codec->spdif_status & IEC958_AES0_NONAUDIO)) {
1da177e4 2451 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
6b97eb45
TI		 2452 setup_dig_out_stream(codec, mout->dig_out_nid,
2453 stream_tag, format);
1da177e4
LT		 2454 } else {
2455 mout->dig_out_used = 0;
0ba21762
TI		 2456 snd_hda_codec_setup_stream(codec, mout->dig_out_nid,
2457 0, 0, 0);
1da177e4
LT		 2458 }
2459 }
62932df8 2460 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2461
2462 /* front */
0ba21762
TI		 2463 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
2464 0, format);
35aec4e2 2465 if (mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
1da177e4 2466 /* headphone out will just decode front left/right (stereo) */
0ba21762
TI		 2467 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
2468 0, format);
82bc955f
TI		 2469 /* extra outputs copied from front */
2470 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2471 if (mout->extra_out_nid[i])
2472 snd_hda_codec_setup_stream(codec,
2473 mout->extra_out_nid[i],
2474 stream_tag, 0, format);
2475
1da177e4
LT		 2476 /* surrounds */
2477 for (i = 1; i < mout->num_dacs; i++) {
4b3acaf5 2478 if (chs >= (i + 1) * 2) /* independent out */
0ba21762
TI		 2479 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2480 i * 2, format);
4b3acaf5 2481 else /* copy front */
0ba21762
TI		 2482 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2483 0, format);
1da177e4
LT		 2484 }
2485 return 0;
2486}
2487
2488/*
2489 * clean up the setting for analog out
2490 */
0ba21762
TI		 2491int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
2492 struct hda_multi_out *mout)
1da177e4
LT		 2493{
2494 hda_nid_t *nids = mout->dac_nids;
2495 int i;
2496
2497 for (i = 0; i < mout->num_dacs; i++)
2498 snd_hda_codec_setup_stream(codec, nids[i], 0, 0, 0);
2499 if (mout->hp_nid)
2500 snd_hda_codec_setup_stream(codec, mout->hp_nid, 0, 0, 0);
82bc955f
TI		 2501 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2502 if (mout->extra_out_nid[i])
2503 snd_hda_codec_setup_stream(codec,
2504 mout->extra_out_nid[i],
2505 0, 0, 0);
62932df8 2506 mutex_lock(&codec->spdif_mutex);
1da177e4
LT		 2507 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
2508 snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
2509 mout->dig_out_used = 0;
2510 }
62932df8 2511 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2512 return 0;
2513}
2514
e9edcee0
TI		 2515/*
2516 * Helper for automatic ping configuration
2517 */
df694daa 2518
12f288bf 2519static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list)
df694daa
KY		 2520{
2521 for (; *list; list++)
2522 if (*list == nid)
2523 return 1;
2524 return 0;
2525}
2526
81937d3b
SL		 2527
2528/*
2529 * Sort an associated group of pins according to their sequence numbers.
2530 */
2531static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences,
2532 int num_pins)
2533{
2534 int i, j;
2535 short seq;
2536 hda_nid_t nid;
2537
2538 for (i = 0; i < num_pins; i++) {
2539 for (j = i + 1; j < num_pins; j++) {
2540 if (sequences[i] > sequences[j]) {
2541 seq = sequences[i];
2542 sequences[i] = sequences[j];
2543 sequences[j] = seq;
2544 nid = pins[i];
2545 pins[i] = pins[j];
2546 pins[j] = nid;
2547 }
2548 }
2549 }
2550}
2551
2552
82bc955f
TI		 2553/*
2554 * Parse all pin widgets and store the useful pin nids to cfg
2555 *
2556 * The number of line-outs or any primary output is stored in line_outs,
2557 * and the corresponding output pins are assigned to line_out_pins[],
2558 * in the order of front, rear, CLFE, side, ...
2559 *
2560 * If more extra outputs (speaker and headphone) are found, the pins are
eb06ed8f 2561 * assisnged to hp_pins[] and speaker_pins[], respectively. If no line-out jack
82bc955f
TI		 2562 * is detected, one of speaker of HP pins is assigned as the primary
2563 * output, i.e. to line_out_pins[0]. So, line_outs is always positive
2564 * if any analog output exists.
2565 *
2566 * The analog input pins are assigned to input_pins array.
2567 * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
2568 * respectively.
2569 */
12f288bf
TI		 2570int snd_hda_parse_pin_def_config(struct hda_codec *codec,
2571 struct auto_pin_cfg *cfg,
2572 hda_nid_t *ignore_nids)
e9edcee0
TI		 2573{
2574 hda_nid_t nid, nid_start;
81937d3b
SL		 2575 int nodes;
2576 short seq, assoc_line_out, assoc_speaker;
2577 short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)];
2578 short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)];
e9edcee0
TI		 2579
2580 memset(cfg, 0, sizeof(*cfg));
2581
81937d3b
SL		 2582 memset(sequences_line_out, 0, sizeof(sequences_line_out));
2583 memset(sequences_speaker, 0, sizeof(sequences_speaker));
2584 assoc_line_out = assoc_speaker = 0;
e9edcee0
TI		 2585
2586 nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid_start);
2587 for (nid = nid_start; nid < nodes + nid_start; nid++) {
54d17403 2588 unsigned int wid_caps = get_wcaps(codec, nid);
0ba21762
TI		 2589 unsigned int wid_type =
2590 (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
e9edcee0
TI		 2591 unsigned int def_conf;
2592 short assoc, loc;
2593
2594 /* read all default configuration for pin complex */
2595 if (wid_type != AC_WID_PIN)
2596 continue;
df694daa
KY		 2597 /* ignore the given nids (e.g. pc-beep returns error) */
2598 if (ignore_nids && is_in_nid_list(nid, ignore_nids))
2599 continue;
2600
0ba21762
TI		 2601 def_conf = snd_hda_codec_read(codec, nid, 0,
2602 AC_VERB_GET_CONFIG_DEFAULT, 0);
e9edcee0
TI		 2603 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
2604 continue;
2605 loc = get_defcfg_location(def_conf);
2606 switch (get_defcfg_device(def_conf)) {
2607 case AC_JACK_LINE_OUT:
e9edcee0
TI		 2608 seq = get_defcfg_sequence(def_conf);
2609 assoc = get_defcfg_association(def_conf);
0ba21762 2610 if (!assoc)
e9edcee0 2611 continue;
0ba21762 2612 if (!assoc_line_out)
e9edcee0
TI		 2613 assoc_line_out = assoc;
2614 else if (assoc_line_out != assoc)
2615 continue;
2616 if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
2617 continue;
2618 cfg->line_out_pins[cfg->line_outs] = nid;
81937d3b 2619 sequences_line_out[cfg->line_outs] = seq;
e9edcee0
TI		 2620 cfg->line_outs++;
2621 break;
8d88bc3d 2622 case AC_JACK_SPEAKER:
81937d3b
SL		 2623 seq = get_defcfg_sequence(def_conf);
2624 assoc = get_defcfg_association(def_conf);
2625 if (! assoc)
2626 continue;
2627 if (! assoc_speaker)
2628 assoc_speaker = assoc;
2629 else if (assoc_speaker != assoc)
2630 continue;
82bc955f
TI		 2631 if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
2632 continue;
2633 cfg->speaker_pins[cfg->speaker_outs] = nid;
81937d3b 2634 sequences_speaker[cfg->speaker_outs] = seq;
82bc955f 2635 cfg->speaker_outs++;
8d88bc3d 2636 break;
e9edcee0 2637 case AC_JACK_HP_OUT:
eb06ed8f
TI		 2638 if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
2639 continue;
2640 cfg->hp_pins[cfg->hp_outs] = nid;
2641 cfg->hp_outs++;
e9edcee0 2642 break;
314634bc
TI		 2643 case AC_JACK_MIC_IN: {
2644 int preferred, alt;
2645 if (loc == AC_JACK_LOC_FRONT) {
2646 preferred = AUTO_PIN_FRONT_MIC;
2647 alt = AUTO_PIN_MIC;
2648 } else {
2649 preferred = AUTO_PIN_MIC;
2650 alt = AUTO_PIN_FRONT_MIC;
2651 }
2652 if (!cfg->input_pins[preferred])
2653 cfg->input_pins[preferred] = nid;
2654 else if (!cfg->input_pins[alt])
2655 cfg->input_pins[alt] = nid;
e9edcee0 2656 break;
314634bc 2657 }
e9edcee0
TI		 2658 case AC_JACK_LINE_IN:
2659 if (loc == AC_JACK_LOC_FRONT)
2660 cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
2661 else
2662 cfg->input_pins[AUTO_PIN_LINE] = nid;
2663 break;
2664 case AC_JACK_CD:
2665 cfg->input_pins[AUTO_PIN_CD] = nid;
2666 break;
2667 case AC_JACK_AUX:
2668 cfg->input_pins[AUTO_PIN_AUX] = nid;
2669 break;
2670 case AC_JACK_SPDIF_OUT:
2671 cfg->dig_out_pin = nid;
2672 break;
2673 case AC_JACK_SPDIF_IN:
2674 cfg->dig_in_pin = nid;
2675 break;
2676 }
2677 }
2678
2679 /* sort by sequence */
81937d3b
SL		 2680 sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out,
2681 cfg->line_outs);
2682 sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker,
2683 cfg->speaker_outs);
2684
2685 /*
2686 * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
2687 * as a primary output
2688 */
2689 if (!cfg->line_outs) {
2690 if (cfg->speaker_outs) {
2691 cfg->line_outs = cfg->speaker_outs;
2692 memcpy(cfg->line_out_pins, cfg->speaker_pins,
2693 sizeof(cfg->speaker_pins));
2694 cfg->speaker_outs = 0;
2695 memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
2696 cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
2697 } else if (cfg->hp_outs) {
2698 cfg->line_outs = cfg->hp_outs;
2699 memcpy(cfg->line_out_pins, cfg->hp_pins,
2700 sizeof(cfg->hp_pins));
2701 cfg->hp_outs = 0;
2702 memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
2703 cfg->line_out_type = AUTO_PIN_HP_OUT;
2704 }
2705 }
e9edcee0 2706
cb8e2f83
TI		 2707 /* Reorder the surround channels
2708 * ALSA sequence is front/surr/clfe/side
2709 * HDA sequence is:
2710 * 4-ch: front/surr => OK as it is
2711 * 6-ch: front/clfe/surr
9422db40 2712 * 8-ch: front/clfe/rear/side|fc
cb8e2f83
TI		 2713 */
2714 switch (cfg->line_outs) {
2715 case 3:
cb8e2f83
TI		 2716 case 4:
2717 nid = cfg->line_out_pins[1];
9422db40 2718 cfg->line_out_pins[1] = cfg->line_out_pins[2];
cb8e2f83
TI		 2719 cfg->line_out_pins[2] = nid;
2720 break;
e9edcee0
TI		 2721 }
2722
82bc955f
TI		 2723 /*
2724 * debug prints of the parsed results
2725 */
2726 snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2727 cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
2728 cfg->line_out_pins[2], cfg->line_out_pins[3],
2729 cfg->line_out_pins[4]);
2730 snd_printd(" speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2731 cfg->speaker_outs, cfg->speaker_pins[0],
2732 cfg->speaker_pins[1], cfg->speaker_pins[2],
2733 cfg->speaker_pins[3], cfg->speaker_pins[4]);
eb06ed8f
TI		 2734 snd_printd(" hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2735 cfg->hp_outs, cfg->hp_pins[0],
2736 cfg->hp_pins[1], cfg->hp_pins[2],
2737 cfg->hp_pins[3], cfg->hp_pins[4]);
82bc955f
TI		 2738 snd_printd(" inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
2739 " cd=0x%x, aux=0x%x\n",
2740 cfg->input_pins[AUTO_PIN_MIC],
2741 cfg->input_pins[AUTO_PIN_FRONT_MIC],
2742 cfg->input_pins[AUTO_PIN_LINE],
2743 cfg->input_pins[AUTO_PIN_FRONT_LINE],
2744 cfg->input_pins[AUTO_PIN_CD],
2745 cfg->input_pins[AUTO_PIN_AUX]);
2746
e9edcee0
TI		 2747 return 0;
2748}
2749
4a471b7d
TI		 2750/* labels for input pins */
2751const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
2752 "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
2753};
2754
2755
1da177e4
LT		 2756#ifdef CONFIG_PM
2757/*
2758 * power management
2759 */
2760
2761/**
2762 * snd_hda_suspend - suspend the codecs
2763 * @bus: the HDA bus
2764 * @state: suspsend state
2765 *
2766 * Returns 0 if successful.
2767 */
2768int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
2769{
0ba21762 2770 struct hda_codec *codec;
1da177e4 2771
0ba21762 2772 list_for_each_entry(codec, &bus->codec_list, list) {
cb53c626 2773 hda_call_codec_suspend(codec);
1da177e4
LT		 2774 }
2775 return 0;
2776}
2777
cb53c626 2778#ifndef CONFIG_SND_HDA_POWER_SAVE
1da177e4
LT		 2779/**
2780 * snd_hda_resume - resume the codecs
2781 * @bus: the HDA bus
2782 * @state: resume state
2783 *
2784 * Returns 0 if successful.
cb53c626
TI		 2785 *
2786 * This fucntion is defined only when POWER_SAVE isn't set.
2787 * In the power-save mode, the codec is resumed dynamically.
1da177e4
LT		 2788 */
2789int snd_hda_resume(struct hda_bus *bus)
2790{
0ba21762 2791 struct hda_codec *codec;
1da177e4 2792
0ba21762 2793 list_for_each_entry(codec, &bus->codec_list, list) {
cb53c626 2794 hda_call_codec_resume(codec);
1da177e4 2795 }
1da177e4
LT		 2796 return 0;
2797}
cb53c626 2798#endif /* !CONFIG_SND_HDA_POWER_SAVE */
1da177e4 2799
1da177e4 2800#endif
Linux kernel - Deliverables
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