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Merge remote-tracking branches 'asoc/topic/ac97', 'asoc/topic/ac97-mfd', 'asoc/topic...
[mirror_ubuntu-focal-kernel.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
1da177e4
LT		 22#include <linux/init.h>
23#include <linux/delay.h>
24#include <linux/slab.h>
62932df8 25#include <linux/mutex.h>
da155d5b 26#include <linux/module.h>
cc72da7d
TI		 27#include <linux/pm.h>
28#include <linux/pm_runtime.h>
1da177e4
LT		 29#include <sound/core.h>
30#include "hda_codec.h"
31#include <sound/asoundef.h>
302e9c5a 32#include <sound/tlv.h>
1da177e4 33#include <sound/initval.h>
cd372fb3 34#include <sound/jack.h>
1da177e4 35#include "hda_local.h"
123c07ae 36#include "hda_beep.h"
1835a0f9 37#include "hda_jack.h"
2807314d 38#include <sound/hda_hwdep.h>
1da177e4 39
83012a7c 40#ifdef CONFIG_PM
7639a06c 41#define codec_in_pm(codec) atomic_read(&(codec)->core.in_pm)
cc72da7d
TI		 42#define hda_codec_is_power_on(codec) \
43 (!pm_runtime_suspended(hda_codec_dev(codec)))
cb53c626 44#else
d846b174 45#define codec_in_pm(codec) 0
e581f3db 46#define hda_codec_is_power_on(codec) 1
cb53c626
TI		 47#endif
48
7639a06c
TI		 49#define codec_has_epss(codec) \
50 ((codec)->core.power_caps & AC_PWRST_EPSS)
51#define codec_has_clkstop(codec) \
52 ((codec)->core.power_caps & AC_PWRST_CLKSTOP)
53
aa2936f5 54/*
05852448 55 * Send and receive a verb - passed to exec_verb override for hdac_device
aa2936f5 56 */
05852448
TI		 57static int codec_exec_verb(struct hdac_device *dev, unsigned int cmd,
58 unsigned int flags, unsigned int *res)
aa2936f5 59{
05852448 60 struct hda_codec *codec = container_of(dev, struct hda_codec, core);
aa2936f5 61 struct hda_bus *bus = codec->bus;
8dd78330 62 int err;
aa2936f5 63
6430aeeb
WF		 64 if (cmd == ~0)
65 return -1;
66
8dd78330 67 again:
664c7155 68 snd_hda_power_up_pm(codec);
d068ebc2 69 mutex_lock(&bus->core.cmd_mutex);
63e51fd7
TI		 70 if (flags & HDA_RW_NO_RESPONSE_FALLBACK)
71 bus->no_response_fallback = 1;
d068ebc2
TI		 72 err = snd_hdac_bus_exec_verb_unlocked(&bus->core, codec->core.addr,
73 cmd, res);
63e51fd7 74 bus->no_response_fallback = 0;
d068ebc2 75 mutex_unlock(&bus->core.cmd_mutex);
664c7155 76 snd_hda_power_down_pm(codec);
cad372f1 77 if (!codec_in_pm(codec) && res && err == -EAGAIN) {
8dd78330 78 if (bus->response_reset) {
4e76a883
TI		 79 codec_dbg(codec,
80 "resetting BUS due to fatal communication error\n");
0a50575b 81 snd_hda_bus_reset(bus);
8dd78330
TI		 82 }
83 goto again;
84 }
85 /* clear reset-flag when the communication gets recovered */
d846b174 86 if (!err || codec_in_pm(codec))
8dd78330 87 bus->response_reset = 0;
aa2936f5
TI		 88 return err;
89}
90
1da177e4
LT		 91/**
92 * snd_hda_sequence_write - sequence writes
93 * @codec: the HDA codec
94 * @seq: VERB array to send
95 *
96 * Send the commands sequentially from the given array.
97 * The array must be terminated with NID=0.
98 */
99void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
100{
101 for (; seq->nid; seq++)
102 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
103}
2698ea98 104EXPORT_SYMBOL_GPL(snd_hda_sequence_write);
1da177e4 105
ee8e765b
TI		 106/* connection list element */
107struct hda_conn_list {
108 struct list_head list;
109 int len;
110 hda_nid_t nid;
111 hda_nid_t conns[0];
112};
113
b2f934a0 114/* look up the cached results */
ee8e765b
TI		 115static struct hda_conn_list *
116lookup_conn_list(struct hda_codec *codec, hda_nid_t nid)
b2f934a0 117{
ee8e765b
TI		 118 struct hda_conn_list *p;
119 list_for_each_entry(p, &codec->conn_list, list) {
120 if (p->nid == nid)
b2f934a0 121 return p;
b2f934a0
TI		 122 }
123 return NULL;
124}
a12d3e1e 125
ee8e765b
TI		 126static int add_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
127 const hda_nid_t *list)
128{
129 struct hda_conn_list *p;
130
131 p = kmalloc(sizeof(*p) + len * sizeof(hda_nid_t), GFP_KERNEL);
132 if (!p)
133 return -ENOMEM;
134 p->len = len;
135 p->nid = nid;
136 memcpy(p->conns, list, len * sizeof(hda_nid_t));
137 list_add(&p->list, &codec->conn_list);
138 return 0;
139}
140
141static void remove_conn_list(struct hda_codec *codec)
142{
143 while (!list_empty(&codec->conn_list)) {
144 struct hda_conn_list *p;
145 p = list_first_entry(&codec->conn_list, typeof(*p), list);
146 list_del(&p->list);
147 kfree(p);
148 }
149}
150
09cf03b8
TI		 151/* read the connection and add to the cache */
152static int read_and_add_raw_conns(struct hda_codec *codec, hda_nid_t nid)
153{
4eea3091
TI		 154 hda_nid_t list[32];
155 hda_nid_t *result = list;
09cf03b8
TI		 156 int len;
157
158 len = snd_hda_get_raw_connections(codec, nid, list, ARRAY_SIZE(list));
4eea3091
TI		 159 if (len == -ENOSPC) {
160 len = snd_hda_get_num_raw_conns(codec, nid);
161 result = kmalloc(sizeof(hda_nid_t) * len, GFP_KERNEL);
162 if (!result)
163 return -ENOMEM;
164 len = snd_hda_get_raw_connections(codec, nid, result, len);
165 }
166 if (len >= 0)
167 len = snd_hda_override_conn_list(codec, nid, len, result);
168 if (result != list)
169 kfree(result);
170 return len;
09cf03b8
TI		 171}
172
ee8e765b
TI		 173/**
174 * snd_hda_get_conn_list - get connection list
175 * @codec: the HDA codec
176 * @nid: NID to parse
ee8e765b
TI		 177 * @listp: the pointer to store NID list
178 *
179 * Parses the connection list of the given widget and stores the pointer
180 * to the list of NIDs.
181 *
182 * Returns the number of connections, or a negative error code.
183 *
184 * Note that the returned pointer isn't protected against the list
185 * modification. If snd_hda_override_conn_list() might be called
186 * concurrently, protect with a mutex appropriately.
187 */
188int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
189 const hda_nid_t **listp)
190{
191 bool added = false;
192
193 for (;;) {
194 int err;
195 const struct hda_conn_list *p;
196
197 /* if the connection-list is already cached, read it */
198 p = lookup_conn_list(codec, nid);
199 if (p) {
200 if (listp)
201 *listp = p->conns;
202 return p->len;
203 }
204 if (snd_BUG_ON(added))
205 return -EINVAL;
206
207 err = read_and_add_raw_conns(codec, nid);
208 if (err < 0)
209 return err;
210 added = true;
211 }
212}
2698ea98 213EXPORT_SYMBOL_GPL(snd_hda_get_conn_list);
ee8e765b 214
1da177e4 215/**
09cf03b8 216 * snd_hda_get_connections - copy connection list
1da177e4
LT		 217 * @codec: the HDA codec
218 * @nid: NID to parse
09cf03b8
TI		 219 * @conn_list: connection list array; when NULL, checks only the size
220 * @max_conns: max. number of connections to store
1da177e4
LT		 221 *
222 * Parses the connection list of the given widget and stores the list
223 * of NIDs.
224 *
225 * Returns the number of connections, or a negative error code.
226 */
09cf03b8
TI		 227int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
228 hda_nid_t *conn_list, int max_conns)
a12d3e1e 229{
ee8e765b
TI		 230 const hda_nid_t *list;
231 int len = snd_hda_get_conn_list(codec, nid, &list);
a12d3e1e 232
ee8e765b
TI		 233 if (len > 0 && conn_list) {
234 if (len > max_conns) {
4e76a883 235 codec_err(codec, "Too many connections %d for NID 0x%x\n",
09cf03b8 236 len, nid);
09cf03b8
TI		 237 return -EINVAL;
238 }
ee8e765b 239 memcpy(conn_list, list, len * sizeof(hda_nid_t));
a12d3e1e
TI		 240 }
241
ee8e765b 242 return len;
a12d3e1e 243}
2698ea98 244EXPORT_SYMBOL_GPL(snd_hda_get_connections);
a12d3e1e 245
b2f934a0
TI		 246/**
247 * snd_hda_override_conn_list - add/modify the connection-list to cache
248 * @codec: the HDA codec
249 * @nid: NID to parse
250 * @len: number of connection list entries
251 * @list: the list of connection entries
252 *
253 * Add or modify the given connection-list to the cache. If the corresponding
254 * cache already exists, invalidate it and append a new one.
255 *
256 * Returns zero or a negative error code.
257 */
258int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
259 const hda_nid_t *list)
260{
ee8e765b 261 struct hda_conn_list *p;
b2f934a0 262
ee8e765b
TI		 263 p = lookup_conn_list(codec, nid);
264 if (p) {
265 list_del(&p->list);
266 kfree(p);
267 }
b2f934a0 268
ee8e765b 269 return add_conn_list(codec, nid, len, list);
b2f934a0 270}
2698ea98 271EXPORT_SYMBOL_GPL(snd_hda_override_conn_list);
b2f934a0 272
8d087c76
TI		 273/**
274 * snd_hda_get_conn_index - get the connection index of the given NID
275 * @codec: the HDA codec
276 * @mux: NID containing the list
277 * @nid: NID to select
278 * @recursive: 1 when searching NID recursively, otherwise 0
279 *
280 * Parses the connection list of the widget @mux and checks whether the
281 * widget @nid is present. If it is, return the connection index.
282 * Otherwise it returns -1.
283 */
284int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
285 hda_nid_t nid, int recursive)
a12d3e1e 286{
ee8e765b 287 const hda_nid_t *conn;
8d087c76
TI		 288 int i, nums;
289
ee8e765b 290 nums = snd_hda_get_conn_list(codec, mux, &conn);
8d087c76
TI		 291 for (i = 0; i < nums; i++)
292 if (conn[i] == nid)
293 return i;
294 if (!recursive)
295 return -1;
d94ddd85 296 if (recursive > 10) {
4e76a883 297 codec_dbg(codec, "too deep connection for 0x%x\n", nid);
8d087c76 298 return -1;
a12d3e1e 299 }
8d087c76 300 recursive++;
99e14c9d
TI		 301 for (i = 0; i < nums; i++) {
302 unsigned int type = get_wcaps_type(get_wcaps(codec, conn[i]));
303 if (type == AC_WID_PIN || type == AC_WID_AUD_OUT)
304 continue;
8d087c76
TI		 305 if (snd_hda_get_conn_index(codec, conn[i], nid, recursive) >= 0)
306 return i;
99e14c9d 307 }
8d087c76 308 return -1;
a12d3e1e 309}
2698ea98 310EXPORT_SYMBOL_GPL(snd_hda_get_conn_index);
1da177e4 311
13800f39
LY		 312/**
313 * snd_hda_get_num_devices - get DEVLIST_LEN parameter of the given widget
314 * @codec: the HDA codec
315 * @nid: NID of the pin to parse
316 *
317 * Get the device entry number on the given widget. This is a feature of
318 * DP MST audio. Each pin can have several device entries in it.
319 */
320unsigned int snd_hda_get_num_devices(struct hda_codec *codec, hda_nid_t nid)
f1aa0684
ML		 321{
322 unsigned int wcaps = get_wcaps(codec, nid);
323 unsigned int parm;
324
325 if (!codec->dp_mst || !(wcaps & AC_WCAP_DIGITAL) ||
326 get_wcaps_type(wcaps) != AC_WID_PIN)
327 return 0;
328
132bd96b 329 parm = snd_hdac_read_parm_uncached(&codec->core, nid, AC_PAR_DEVLIST_LEN);
8654844c 330 if (parm == -1)
f1aa0684
ML		 331 parm = 0;
332 return parm & AC_DEV_LIST_LEN_MASK;
333}
13800f39 334EXPORT_SYMBOL_GPL(snd_hda_get_num_devices);
f1aa0684
ML		 335
336/**
337 * snd_hda_get_devices - copy device list without cache
338 * @codec: the HDA codec
339 * @nid: NID of the pin to parse
340 * @dev_list: device list array
341 * @max_devices: max. number of devices to store
342 *
343 * Copy the device list. This info is dynamic and so not cached.
344 * Currently called only from hda_proc.c, so not exported.
345 */
346int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid,
347 u8 *dev_list, int max_devices)
348{
349 unsigned int parm;
350 int i, dev_len, devices;
351
13800f39 352 parm = snd_hda_get_num_devices(codec, nid);
f1aa0684
ML		 353 if (!parm) /* not multi-stream capable */
354 return 0;
355
356 dev_len = parm + 1;
357 dev_len = dev_len < max_devices ? dev_len : max_devices;
358
359 devices = 0;
360 while (devices < dev_len) {
cad372f1
TI		 361 if (snd_hdac_read(&codec->core, nid,
362 AC_VERB_GET_DEVICE_LIST, devices, &parm))
363 break; /* error */
f1aa0684
ML		 364
365 for (i = 0; i < 8; i++) {
366 dev_list[devices] = (u8)parm;
367 parm >>= 4;
368 devices++;
369 if (devices >= dev_len)
370 break;
371 }
372 }
373 return devices;
374}
375
13800f39
LY		 376/**
377 * snd_hda_get_dev_select - get device entry select on the pin
378 * @codec: the HDA codec
379 * @nid: NID of the pin to get device entry select
380 *
381 * Get the devcie entry select on the pin. Return the device entry
382 * id selected on the pin. Return 0 means the first device entry
383 * is selected or MST is not supported.
384 */
385int snd_hda_get_dev_select(struct hda_codec *codec, hda_nid_t nid)
386{
387 /* not support dp_mst will always return 0, using first dev_entry */
388 if (!codec->dp_mst)
389 return 0;
390
391 return snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DEVICE_SEL, 0);
392}
393EXPORT_SYMBOL_GPL(snd_hda_get_dev_select);
394
395/**
396 * snd_hda_set_dev_select - set device entry select on the pin
397 * @codec: the HDA codec
398 * @nid: NID of the pin to set device entry select
399 * @dev_id: device entry id to be set
400 *
401 * Set the device entry select on the pin nid.
402 */
403int snd_hda_set_dev_select(struct hda_codec *codec, hda_nid_t nid, int dev_id)
404{
405 int ret, num_devices;
406
407 /* not support dp_mst will always return 0, using first dev_entry */
408 if (!codec->dp_mst)
409 return 0;
410
411 /* AC_PAR_DEVLIST_LEN is 0 based. */
412 num_devices = snd_hda_get_num_devices(codec, nid) + 1;
413 /* If Device List Length is 0 (num_device = 1),
414 * the pin is not multi stream capable.
415 * Do nothing in this case.
416 */
417 if (num_devices == 1)
418 return 0;
419
420 /* Behavior of setting index being equal to or greater than
421 * Device List Length is not predictable
422 */
423 if (num_devices <= dev_id)
424 return -EINVAL;
425
426 ret = snd_hda_codec_write(codec, nid, 0,
427 AC_VERB_SET_DEVICE_SEL, dev_id);
428
429 return ret;
430}
431EXPORT_SYMBOL_GPL(snd_hda_set_dev_select);
432
54d17403
TI		 433/*
434 * read widget caps for each widget and store in cache
435 */
436static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
437{
438 int i;
439 hda_nid_t nid;
440
7639a06c 441 codec->wcaps = kmalloc(codec->core.num_nodes * 4, GFP_KERNEL);
0ba21762 442 if (!codec->wcaps)
54d17403 443 return -ENOMEM;
7639a06c
TI		 444 nid = codec->core.start_nid;
445 for (i = 0; i < codec->core.num_nodes; i++, nid++)
9ba17b4d
TI		 446 codec->wcaps[i] = snd_hdac_read_parm_uncached(&codec->core,
447 nid, AC_PAR_AUDIO_WIDGET_CAP);
54d17403
TI		 448 return 0;
449}
450
3be14149
TI		 451/* read all pin default configurations and save codec->init_pins */
452static int read_pin_defaults(struct hda_codec *codec)
453{
7639a06c 454 hda_nid_t nid;
3be14149 455
7639a06c 456 for_each_hda_codec_node(nid, codec) {
3be14149
TI		 457 struct hda_pincfg *pin;
458 unsigned int wcaps = get_wcaps(codec, nid);
a22d543a 459 unsigned int wid_type = get_wcaps_type(wcaps);
3be14149
TI		 460 if (wid_type != AC_WID_PIN)
461 continue;
462 pin = snd_array_new(&codec->init_pins);
463 if (!pin)
464 return -ENOMEM;
465 pin->nid = nid;
466 pin->cfg = snd_hda_codec_read(codec, nid, 0,
467 AC_VERB_GET_CONFIG_DEFAULT, 0);
9152085d
LY		 468 /*
469 * all device entries are the same widget control so far
470 * fixme: if any codec is different, need fix here
471 */
ac0547dc
TI		 472 pin->ctrl = snd_hda_codec_read(codec, nid, 0,
473 AC_VERB_GET_PIN_WIDGET_CONTROL,
474 0);
3be14149
TI		 475 }
476 return 0;
477}
478
479/* look up the given pin config list and return the item matching with NID */
480static struct hda_pincfg *look_up_pincfg(struct hda_codec *codec,
481 struct snd_array *array,
482 hda_nid_t nid)
483{
484 int i;
485 for (i = 0; i < array->used; i++) {
486 struct hda_pincfg *pin = snd_array_elem(array, i);
487 if (pin->nid == nid)
488 return pin;
489 }
490 return NULL;
491}
492
3be14149
TI		 493/* set the current pin config value for the given NID.
494 * the value is cached, and read via snd_hda_codec_get_pincfg()
495 */
496int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
497 hda_nid_t nid, unsigned int cfg)
498{
499 struct hda_pincfg *pin;
500
d5657ec9
TI		 501 /* the check below may be invalid when pins are added by a fixup
502 * dynamically (e.g. via snd_hda_codec_update_widgets()), so disabled
503 * for now
504 */
505 /*
b82855a0
TI		 506 if (get_wcaps_type(get_wcaps(codec, nid)) != AC_WID_PIN)
507 return -EINVAL;
d5657ec9 508 */
b82855a0 509
3be14149
TI		 510 pin = look_up_pincfg(codec, list, nid);
511 if (!pin) {
512 pin = snd_array_new(list);
513 if (!pin)
514 return -ENOMEM;
515 pin->nid = nid;
516 }
517 pin->cfg = cfg;
3be14149
TI		 518 return 0;
519}
520
d5191e50
TI		 521/**
522 * snd_hda_codec_set_pincfg - Override a pin default configuration
523 * @codec: the HDA codec
524 * @nid: NID to set the pin config
525 * @cfg: the pin default config value
526 *
527 * Override a pin default configuration value in the cache.
528 * This value can be read by snd_hda_codec_get_pincfg() in a higher
529 * priority than the real hardware value.
530 */
3be14149
TI		 531int snd_hda_codec_set_pincfg(struct hda_codec *codec,
532 hda_nid_t nid, unsigned int cfg)
533{
346ff70f 534 return snd_hda_add_pincfg(codec, &codec->driver_pins, nid, cfg);
3be14149 535}
2698ea98 536EXPORT_SYMBOL_GPL(snd_hda_codec_set_pincfg);
3be14149 537
d5191e50
TI		 538/**
539 * snd_hda_codec_get_pincfg - Obtain a pin-default configuration
540 * @codec: the HDA codec
541 * @nid: NID to get the pin config
542 *
543 * Get the current pin config value of the given pin NID.
544 * If the pincfg value is cached or overridden via sysfs or driver,
545 * returns the cached value.
546 */
3be14149
TI		 547unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid)
548{
549 struct hda_pincfg *pin;
550
648a8d27 551#ifdef CONFIG_SND_HDA_RECONFIG
09b70e85
TI		 552 {
553 unsigned int cfg = 0;
554 mutex_lock(&codec->user_mutex);
555 pin = look_up_pincfg(codec, &codec->user_pins, nid);
556 if (pin)
557 cfg = pin->cfg;
558 mutex_unlock(&codec->user_mutex);
559 if (cfg)
560 return cfg;
561 }
3be14149 562#endif
5e7b8e0d
TI		 563 pin = look_up_pincfg(codec, &codec->driver_pins, nid);
564 if (pin)
565 return pin->cfg;
3be14149
TI		 566 pin = look_up_pincfg(codec, &codec->init_pins, nid);
567 if (pin)
568 return pin->cfg;
569 return 0;
570}
2698ea98 571EXPORT_SYMBOL_GPL(snd_hda_codec_get_pincfg);
3be14149 572
95a962c3
TI		 573/**
574 * snd_hda_codec_set_pin_target - remember the current pinctl target value
575 * @codec: the HDA codec
576 * @nid: pin NID
577 * @val: assigned pinctl value
578 *
579 * This function stores the given value to a pinctl target value in the
580 * pincfg table. This isn't always as same as the actually written value
581 * but can be referred at any time via snd_hda_codec_get_pin_target().
582 */
d7fdc00a
TI		 583int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid,
584 unsigned int val)
585{
586 struct hda_pincfg *pin;
587
588 pin = look_up_pincfg(codec, &codec->init_pins, nid);
589 if (!pin)
590 return -EINVAL;
591 pin->target = val;
592 return 0;
593}
2698ea98 594EXPORT_SYMBOL_GPL(snd_hda_codec_set_pin_target);
d7fdc00a 595
95a962c3
TI		 596/**
597 * snd_hda_codec_get_pin_target - return the current pinctl target value
598 * @codec: the HDA codec
599 * @nid: pin NID
600 */
d7fdc00a
TI		 601int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid)
602{
603 struct hda_pincfg *pin;
604
605 pin = look_up_pincfg(codec, &codec->init_pins, nid);
606 if (!pin)
607 return 0;
608 return pin->target;
609}
2698ea98 610EXPORT_SYMBOL_GPL(snd_hda_codec_get_pin_target);
d7fdc00a 611
92ee6162
TI		 612/**
613 * snd_hda_shutup_pins - Shut up all pins
614 * @codec: the HDA codec
615 *
616 * Clear all pin controls to shup up before suspend for avoiding click noise.
617 * The controls aren't cached so that they can be resumed properly.
618 */
619void snd_hda_shutup_pins(struct hda_codec *codec)
620{
621 int i;
ac0547dc
TI		 622 /* don't shut up pins when unloading the driver; otherwise it breaks
623 * the default pin setup at the next load of the driver
624 */
625 if (codec->bus->shutdown)
626 return;
92ee6162
TI		 627 for (i = 0; i < codec->init_pins.used; i++) {
628 struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i);
629 /* use read here for syncing after issuing each verb */
630 snd_hda_codec_read(codec, pin->nid, 0,
631 AC_VERB_SET_PIN_WIDGET_CONTROL, 0);
632 }
ac0547dc 633 codec->pins_shutup = 1;
92ee6162 634}
2698ea98 635EXPORT_SYMBOL_GPL(snd_hda_shutup_pins);
92ee6162 636
2a43952a 637#ifdef CONFIG_PM
ac0547dc
TI		 638/* Restore the pin controls cleared previously via snd_hda_shutup_pins() */
639static void restore_shutup_pins(struct hda_codec *codec)
640{
641 int i;
642 if (!codec->pins_shutup)
643 return;
644 if (codec->bus->shutdown)
645 return;
646 for (i = 0; i < codec->init_pins.used; i++) {
647 struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i);
648 snd_hda_codec_write(codec, pin->nid, 0,
649 AC_VERB_SET_PIN_WIDGET_CONTROL,
650 pin->ctrl);
651 }
652 codec->pins_shutup = 0;
653}
1c7276cf 654#endif
ac0547dc 655
26a6cb6c
DH		 656static void hda_jackpoll_work(struct work_struct *work)
657{
658 struct hda_codec *codec =
659 container_of(work, struct hda_codec, jackpoll_work.work);
26a6cb6c
DH		 660
661 snd_hda_jack_set_dirty_all(codec);
662 snd_hda_jack_poll_all(codec);
18e60627
WX		 663
664 if (!codec->jackpoll_interval)
665 return;
666
2f35c630
TI		 667 schedule_delayed_work(&codec->jackpoll_work,
668 codec->jackpoll_interval);
26a6cb6c
DH		 669}
670
3fdf1469
TI		 671/* release all pincfg lists */
672static void free_init_pincfgs(struct hda_codec *codec)
3be14149 673{
346ff70f 674 snd_array_free(&codec->driver_pins);
648a8d27 675#ifdef CONFIG_SND_HDA_RECONFIG
346ff70f 676 snd_array_free(&codec->user_pins);
3be14149 677#endif
3be14149
TI		 678 snd_array_free(&codec->init_pins);
679}
680
eb541337
TI		 681/*
682 * audio-converter setup caches
683 */
684struct hda_cvt_setup {
685 hda_nid_t nid;
686 u8 stream_tag;
687 u8 channel_id;
688 u16 format_id;
689 unsigned char active; /* cvt is currently used */
690 unsigned char dirty; /* setups should be cleared */
691};
692
693/* get or create a cache entry for the given audio converter NID */
694static struct hda_cvt_setup *
695get_hda_cvt_setup(struct hda_codec *codec, hda_nid_t nid)
696{
697 struct hda_cvt_setup *p;
698 int i;
699
700 for (i = 0; i < codec->cvt_setups.used; i++) {
701 p = snd_array_elem(&codec->cvt_setups, i);
702 if (p->nid == nid)
703 return p;
704 }
705 p = snd_array_new(&codec->cvt_setups);
706 if (p)
707 p->nid = nid;
708 return p;
709}
710
bbbc7e85
TI		 711/*
712 * PCM device
713 */
714static void release_pcm(struct kref *kref)
715{
716 struct hda_pcm *pcm = container_of(kref, struct hda_pcm, kref);
717
718 if (pcm->pcm)
719 snd_device_free(pcm->codec->card, pcm->pcm);
720 clear_bit(pcm->device, pcm->codec->bus->pcm_dev_bits);
721 kfree(pcm->name);
722 kfree(pcm);
723}
724
725void snd_hda_codec_pcm_put(struct hda_pcm *pcm)
726{
727 kref_put(&pcm->kref, release_pcm);
728}
729EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_put);
730
731struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec,
732 const char *fmt, ...)
733{
734 struct hda_pcm *pcm;
735 va_list args;
736
bbbc7e85
TI		 737 pcm = kzalloc(sizeof(*pcm), GFP_KERNEL);
738 if (!pcm)
739 return NULL;
740
741 pcm->codec = codec;
742 kref_init(&pcm->kref);
30e5f003 743 va_start(args, fmt);
bbbc7e85 744 pcm->name = kvasprintf(GFP_KERNEL, fmt, args);
30e5f003 745 va_end(args);
bbbc7e85
TI		 746 if (!pcm->name) {
747 kfree(pcm);
748 return NULL;
749 }
750
751 list_add_tail(&pcm->list, &codec->pcm_list_head);
752 return pcm;
753}
754EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_new);
755
9a6246ff
TI		 756/*
757 * codec destructor
758 */
bbbc7e85
TI		 759static void codec_release_pcms(struct hda_codec *codec)
760{
761 struct hda_pcm *pcm, *n;
762
763 list_for_each_entry_safe(pcm, n, &codec->pcm_list_head, list) {
764 list_del_init(&pcm->list);
9a6246ff
TI		 765 if (pcm->pcm)
766 snd_device_disconnect(codec->card, pcm->pcm);
bbbc7e85
TI		 767 snd_hda_codec_pcm_put(pcm);
768 }
769}
770
9a6246ff
TI		 771void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec)
772{
c4c2533f
TI		 773 if (codec->registered) {
774 /* pm_runtime_put() is called in snd_hdac_device_exit() */
775 pm_runtime_get_noresume(hda_codec_dev(codec));
776 pm_runtime_disable(hda_codec_dev(codec));
777 codec->registered = 0;
778 }
779
9a6246ff 780 cancel_delayed_work_sync(&codec->jackpoll_work);
9a6246ff
TI		 781 if (!codec->in_freeing)
782 snd_hda_ctls_clear(codec);
783 codec_release_pcms(codec);
784 snd_hda_detach_beep_device(codec);
785 memset(&codec->patch_ops, 0, sizeof(codec->patch_ops));
786 snd_hda_jack_tbl_clear(codec);
787 codec->proc_widget_hook = NULL;
788 codec->spec = NULL;
789
9a6246ff
TI		 790 /* free only driver_pins so that init_pins + user_pins are restored */
791 snd_array_free(&codec->driver_pins);
792 snd_array_free(&codec->cvt_setups);
793 snd_array_free(&codec->spdif_out);
794 snd_array_free(&codec->verbs);
795 codec->preset = NULL;
796 codec->slave_dig_outs = NULL;
797 codec->spdif_status_reset = 0;
798 snd_array_free(&codec->mixers);
799 snd_array_free(&codec->nids);
800 remove_conn_list(codec);
4d75faa0 801 snd_hdac_regmap_exit(&codec->core);
9a6246ff
TI		 802}
803
d819387e 804static unsigned int hda_set_power_state(struct hda_codec *codec,
bb6ac72f
TI		 805 unsigned int power_state);
806
c4c2533f
TI		 807/* also called from hda_bind.c */
808void snd_hda_codec_register(struct hda_codec *codec)
13aeaf68 809{
c4c2533f
TI		 810 if (codec->registered)
811 return;
812 if (device_is_registered(hda_codec_dev(codec))) {
813 snd_hda_register_beep_device(codec);
a5e7e07c 814 snd_hdac_link_power(&codec->core, true);
cc72da7d 815 pm_runtime_enable(hda_codec_dev(codec));
c4c2533f
TI		 816 /* it was powered up in snd_hda_codec_new(), now all done */
817 snd_hda_power_down(codec);
818 codec->registered = 1;
819 }
820}
821
822static int snd_hda_codec_dev_register(struct snd_device *device)
823{
824 snd_hda_codec_register(device->device_data);
d604b399 825 return 0;
13aeaf68
TI		 826}
827
828static int snd_hda_codec_dev_disconnect(struct snd_device *device)
829{
830 struct hda_codec *codec = device->device_data;
831
d604b399 832 snd_hda_detach_beep_device(codec);
13aeaf68
TI		 833 return 0;
834}
835
2565c899
TI		 836static int snd_hda_codec_dev_free(struct snd_device *device)
837{
d56db741
TI		 838 struct hda_codec *codec = device->device_data;
839
840 codec->in_freeing = 1;
3256be65 841 snd_hdac_device_unregister(&codec->core);
a457782a 842 snd_hdac_link_power(&codec->core, false);
d56db741 843 put_device(hda_codec_dev(codec));
2565c899
TI		 844 return 0;
845}
846
13aeaf68
TI		 847static void snd_hda_codec_dev_release(struct device *dev)
848{
d56db741
TI		 849 struct hda_codec *codec = dev_to_hda_codec(dev);
850
851 free_init_pincfgs(codec);
7639a06c 852 snd_hdac_device_exit(&codec->core);
d56db741 853 snd_hda_sysfs_clear(codec);
d56db741
TI		 854 kfree(codec->modelname);
855 kfree(codec->wcaps);
d56db741 856 kfree(codec);
13aeaf68
TI		 857}
858
1da177e4
LT		 859/**
860 * snd_hda_codec_new - create a HDA codec
861 * @bus: the bus to assign
862 * @codec_addr: the codec address
863 * @codecp: the pointer to store the generated codec
864 *
865 * Returns 0 if successful, or a negative error code.
866 */
6efdd851
TI		 867int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card,
868 unsigned int codec_addr, struct hda_codec **codecp)
1da177e4
LT		 869{
870 struct hda_codec *codec;
ba443687 871 char component[31];
d819387e 872 hda_nid_t fg;
1da177e4 873 int err;
2565c899 874 static struct snd_device_ops dev_ops = {
13aeaf68
TI		 875 .dev_register = snd_hda_codec_dev_register,
876 .dev_disconnect = snd_hda_codec_dev_disconnect,
2565c899
TI		 877 .dev_free = snd_hda_codec_dev_free,
878 };
1da177e4 879
da3cec35
TI		 880 if (snd_BUG_ON(!bus))
881 return -EINVAL;
882 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
883 return -EINVAL;
1da177e4 884
e560d8d8 885 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
f4de8fe6 886 if (!codec)
1da177e4 887 return -ENOMEM;
1da177e4 888
7639a06c
TI		 889 sprintf(component, "hdaudioC%dD%d", card->number, codec_addr);
890 err = snd_hdac_device_init(&codec->core, &bus->core, component,
891 codec_addr);
892 if (err < 0) {
893 kfree(codec);
894 return err;
895 }
d068ebc2 896
7639a06c
TI		 897 codec->core.dev.release = snd_hda_codec_dev_release;
898 codec->core.type = HDA_DEV_LEGACY;
05852448 899 codec->core.exec_verb = codec_exec_verb;
13aeaf68 900
1da177e4 901 codec->bus = bus;
6efdd851 902 codec->card = card;
1da177e4 903 codec->addr = codec_addr;
62932df8 904 mutex_init(&codec->spdif_mutex);
5a9e02e9 905 mutex_init(&codec->control_mutex);
5b0cb1d8
JK		 906 snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 32);
907 snd_array_init(&codec->nids, sizeof(struct hda_nid_item), 32);
3be14149 908 snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16);
346ff70f 909 snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16);
eb541337 910 snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8);
7c935976 911 snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16);
361dab3e 912 snd_array_init(&codec->jacktbl, sizeof(struct hda_jack_tbl), 16);
c9ce6b26 913 snd_array_init(&codec->verbs, sizeof(struct hda_verb *), 8);
ee8e765b 914 INIT_LIST_HEAD(&codec->conn_list);
bbbc7e85 915 INIT_LIST_HEAD(&codec->pcm_list_head);
ee8e765b 916
26a6cb6c 917 INIT_DELAYED_WORK(&codec->jackpoll_work, hda_jackpoll_work);
7f132927 918 codec->depop_delay = -1;
f5662e1c 919 codec->fixup_id = HDA_FIXUP_ID_NOT_SET;
1da177e4 920
83012a7c 921#ifdef CONFIG_PM
cc72da7d 922 codec->power_jiffies = jiffies;
cb53c626
TI		 923#endif
924
648a8d27
TI		 925 snd_hda_sysfs_init(codec);
926
c382a9f0
TI		 927 if (codec->bus->modelname) {
928 codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL);
929 if (!codec->modelname) {
6986a0e2 930 err = -ENOMEM;
13aeaf68 931 goto error;
c382a9f0
TI		 932 }
933 }
934
7639a06c 935 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
d819387e 936 err = read_widget_caps(codec, fg);
f4de8fe6 937 if (err < 0)
3be14149 938 goto error;
3be14149
TI		 939 err = read_pin_defaults(codec);
940 if (err < 0)
941 goto error;
54d17403 942
bb6ac72f 943 /* power-up all before initialization */
d819387e 944 hda_set_power_state(codec, AC_PWRST_D0);
bb6ac72f 945
6c1f45ea
TI		 946 snd_hda_codec_proc_new(codec);
947
6c1f45ea 948 snd_hda_create_hwdep(codec);
6c1f45ea 949
7639a06c
TI		 950 sprintf(component, "HDA:%08x,%08x,%08x", codec->core.vendor_id,
951 codec->core.subsystem_id, codec->core.revision_id);
6efdd851 952 snd_component_add(card, component);
6c1f45ea 953
6efdd851 954 err = snd_device_new(card, SNDRV_DEV_CODEC, codec, &dev_ops);
2565c899
TI		 955 if (err < 0)
956 goto error;
957
6c1f45ea
TI		 958 if (codecp)
959 *codecp = codec;
960 return 0;
3be14149
TI		 961
962 error:
d56db741 963 put_device(hda_codec_dev(codec));
3be14149 964 return err;
6c1f45ea 965}
2698ea98 966EXPORT_SYMBOL_GPL(snd_hda_codec_new);
6c1f45ea 967
95a962c3
TI		 968/**
969 * snd_hda_codec_update_widgets - Refresh widget caps and pin defaults
970 * @codec: the HDA codec
971 *
972 * Forcibly refresh the all widget caps and the init pin configurations of
973 * the given codec.
974 */
a15d05db
ML		 975int snd_hda_codec_update_widgets(struct hda_codec *codec)
976{
977 hda_nid_t fg;
978 int err;
979
9dcc144b 980 err = snd_hdac_refresh_widget_sysfs(&codec->core);
7639a06c
TI		 981 if (err < 0)
982 return err;
983
a15d05db
ML		 984 /* Assume the function group node does not change,
985 * only the widget nodes may change.
986 */
987 kfree(codec->wcaps);
7639a06c 988 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
a15d05db 989 err = read_widget_caps(codec, fg);
f4de8fe6 990 if (err < 0)
a15d05db 991 return err;
a15d05db
ML		 992
993 snd_array_free(&codec->init_pins);
994 err = read_pin_defaults(codec);
995
996 return err;
997}
2698ea98 998EXPORT_SYMBOL_GPL(snd_hda_codec_update_widgets);
a15d05db 999
ed360813
TI		 1000/* update the stream-id if changed */
1001static void update_pcm_stream_id(struct hda_codec *codec,
1002 struct hda_cvt_setup *p, hda_nid_t nid,
1003 u32 stream_tag, int channel_id)
1004{
1005 unsigned int oldval, newval;
1006
1007 if (p->stream_tag != stream_tag || p->channel_id != channel_id) {
1008 oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
1009 newval = (stream_tag << 4) | channel_id;
1010 if (oldval != newval)
1011 snd_hda_codec_write(codec, nid, 0,
1012 AC_VERB_SET_CHANNEL_STREAMID,
1013 newval);
1014 p->stream_tag = stream_tag;
1015 p->channel_id = channel_id;
1016 }
1017}
1018
1019/* update the format-id if changed */
1020static void update_pcm_format(struct hda_codec *codec, struct hda_cvt_setup *p,
1021 hda_nid_t nid, int format)
1022{
1023 unsigned int oldval;
1024
1025 if (p->format_id != format) {
1026 oldval = snd_hda_codec_read(codec, nid, 0,
1027 AC_VERB_GET_STREAM_FORMAT, 0);
1028 if (oldval != format) {
1029 msleep(1);
1030 snd_hda_codec_write(codec, nid, 0,
1031 AC_VERB_SET_STREAM_FORMAT,
1032 format);
1033 }
1034 p->format_id = format;
1035 }
1036}
1037
1da177e4
LT		 1038/**
1039 * snd_hda_codec_setup_stream - set up the codec for streaming
1040 * @codec: the CODEC to set up
1041 * @nid: the NID to set up
1042 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
1043 * @channel_id: channel id to pass, zero based.
1044 * @format: stream format.
1045 */
0ba21762
TI		 1046void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
1047 u32 stream_tag,
1da177e4
LT		 1048 int channel_id, int format)
1049{
3f50ac6a 1050 struct hda_codec *c;
eb541337 1051 struct hda_cvt_setup *p;
62b7e5e0 1052 int type;
eb541337
TI		 1053 int i;
1054
0ba21762 1055 if (!nid)
d21b37ea
TI		 1056 return;
1057
4e76a883
TI		 1058 codec_dbg(codec,
1059 "hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
1060 nid, stream_tag, channel_id, format);
eb541337 1061 p = get_hda_cvt_setup(codec, nid);
6c35ae3c 1062 if (!p)
eb541337 1063 return;
ed360813 1064
e6feb5d0
TI		 1065 if (codec->patch_ops.stream_pm)
1066 codec->patch_ops.stream_pm(codec, nid, true);
ed360813
TI		 1067 if (codec->pcm_format_first)
1068 update_pcm_format(codec, p, nid, format);
1069 update_pcm_stream_id(codec, p, nid, stream_tag, channel_id);
1070 if (!codec->pcm_format_first)
1071 update_pcm_format(codec, p, nid, format);
1072
eb541337
TI		 1073 p->active = 1;
1074 p->dirty = 0;
1075
1076 /* make other inactive cvts with the same stream-tag dirty */
62b7e5e0 1077 type = get_wcaps_type(get_wcaps(codec, nid));
d068ebc2 1078 list_for_each_codec(c, codec->bus) {
3f50ac6a
TI		 1079 for (i = 0; i < c->cvt_setups.used; i++) {
1080 p = snd_array_elem(&c->cvt_setups, i);
62b7e5e0 1081 if (!p->active && p->stream_tag == stream_tag &&
54c2a89f 1082 get_wcaps_type(get_wcaps(c, p->nid)) == type)
3f50ac6a
TI		 1083 p->dirty = 1;
1084 }
eb541337 1085 }
1da177e4 1086}
2698ea98 1087EXPORT_SYMBOL_GPL(snd_hda_codec_setup_stream);
1da177e4 1088
f0cea797
TI		 1089static void really_cleanup_stream(struct hda_codec *codec,
1090 struct hda_cvt_setup *q);
1091
d5191e50 1092/**
f0cea797 1093 * __snd_hda_codec_cleanup_stream - clean up the codec for closing
d5191e50
TI		 1094 * @codec: the CODEC to clean up
1095 * @nid: the NID to clean up
f0cea797 1096 * @do_now: really clean up the stream instead of clearing the active flag
d5191e50 1097 */
f0cea797
TI		 1098void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
1099 int do_now)
888afa15 1100{
eb541337
TI		 1101 struct hda_cvt_setup *p;
1102
888afa15
TI		 1103 if (!nid)
1104 return;
1105
0e7adbe2
TI		 1106 if (codec->no_sticky_stream)
1107 do_now = 1;
1108
4e76a883 1109 codec_dbg(codec, "hda_codec_cleanup_stream: NID=0x%x\n", nid);
eb541337 1110 p = get_hda_cvt_setup(codec, nid);
6c35ae3c 1111 if (p) {
f0cea797
TI		 1112 /* here we just clear the active flag when do_now isn't set;
1113 * actual clean-ups will be done later in
1114 * purify_inactive_streams() called from snd_hda_codec_prpapre()
1115 */
1116 if (do_now)
1117 really_cleanup_stream(codec, p);
1118 else
1119 p->active = 0;
1120 }
eb541337 1121}
2698ea98 1122EXPORT_SYMBOL_GPL(__snd_hda_codec_cleanup_stream);
eb541337
TI		 1123
1124static void really_cleanup_stream(struct hda_codec *codec,
1125 struct hda_cvt_setup *q)
1126{
1127 hda_nid_t nid = q->nid;
218264ae
TI		 1128 if (q->stream_tag || q->channel_id)
1129 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1130 if (q->format_id)
1131 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0
1132);
eb541337
TI		 1133 memset(q, 0, sizeof(*q));
1134 q->nid = nid;
e6feb5d0
TI		 1135 if (codec->patch_ops.stream_pm)
1136 codec->patch_ops.stream_pm(codec, nid, false);
eb541337
TI		 1137}
1138
1139/* clean up the all conflicting obsolete streams */
1140static void purify_inactive_streams(struct hda_codec *codec)
1141{
3f50ac6a 1142 struct hda_codec *c;
eb541337
TI		 1143 int i;
1144
d068ebc2 1145 list_for_each_codec(c, codec->bus) {
3f50ac6a
TI		 1146 for (i = 0; i < c->cvt_setups.used; i++) {
1147 struct hda_cvt_setup *p;
1148 p = snd_array_elem(&c->cvt_setups, i);
1149 if (p->dirty)
1150 really_cleanup_stream(c, p);
1151 }
eb541337
TI		 1152 }
1153}
1154
2a43952a 1155#ifdef CONFIG_PM
eb541337
TI		 1156/* clean up all streams; called from suspend */
1157static void hda_cleanup_all_streams(struct hda_codec *codec)
1158{
1159 int i;
1160
1161 for (i = 0; i < codec->cvt_setups.used; i++) {
1162 struct hda_cvt_setup *p = snd_array_elem(&codec->cvt_setups, i);
1163 if (p->stream_tag)
1164 really_cleanup_stream(codec, p);
1165 }
888afa15 1166}
1c7276cf 1167#endif
888afa15 1168
1da177e4
LT		 1169/*
1170 * amp access functions
1171 */
1172
d5191e50
TI		 1173/**
1174 * query_amp_caps - query AMP capabilities
1175 * @codec: the HD-auio codec
1176 * @nid: the NID to query
1177 * @direction: either #HDA_INPUT or #HDA_OUTPUT
1178 *
1179 * Query AMP capabilities for the given widget and direction.
1180 * Returns the obtained capability bits.
1181 *
1182 * When cap bits have been already read, this doesn't read again but
1183 * returns the cached value.
1da177e4 1184 */
09a99959 1185u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
1da177e4 1186{
faa75f8a
TI		 1187 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
1188 nid = codec->core.afg;
1189 return snd_hda_param_read(codec, nid,
1190 direction == HDA_OUTPUT ?
1191 AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
1da177e4 1192}
2698ea98 1193EXPORT_SYMBOL_GPL(query_amp_caps);
1da177e4 1194
861a04ed
DH		 1195/**
1196 * snd_hda_check_amp_caps - query AMP capabilities
1197 * @codec: the HD-audio codec
1198 * @nid: the NID to query
1199 * @dir: either #HDA_INPUT or #HDA_OUTPUT
a11e9b16 1200 * @bits: bit mask to check the result
861a04ed
DH		 1201 *
1202 * Check whether the widget has the given amp capability for the direction.
1203 */
1204bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
1205 int dir, unsigned int bits)
1206{
1207 if (!nid)
1208 return false;
1209 if (get_wcaps(codec, nid) & (1 << (dir + 1)))
1210 if (query_amp_caps(codec, nid, dir) & bits)
1211 return true;
1212 return false;
1213}
1214EXPORT_SYMBOL_GPL(snd_hda_check_amp_caps);
1215
d5191e50
TI		 1216/**
1217 * snd_hda_override_amp_caps - Override the AMP capabilities
1218 * @codec: the CODEC to clean up
1219 * @nid: the NID to clean up
a11e9b16 1220 * @dir: either #HDA_INPUT or #HDA_OUTPUT
d5191e50
TI		 1221 * @caps: the capability bits to set
1222 *
1223 * Override the cached AMP caps bits value by the given one.
1224 * This function is useful if the driver needs to adjust the AMP ranges,
1225 * e.g. limit to 0dB, etc.
1226 *
1227 * Returns zero if successful or a negative error code.
1228 */
897cc188
TI		 1229int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
1230 unsigned int caps)
1231{
faa75f8a 1232 unsigned int parm;
897cc188 1233
faa75f8a
TI		 1234 snd_hda_override_wcaps(codec, nid,
1235 get_wcaps(codec, nid) | AC_WCAP_AMP_OVRD);
1236 parm = dir == HDA_OUTPUT ? AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP;
1237 return snd_hdac_override_parm(&codec->core, nid, parm, caps);
f57c2565 1238}
faa75f8a 1239EXPORT_SYMBOL_GPL(snd_hda_override_amp_caps);
f57c2565 1240
a686ec4c
TI		 1241/**
1242 * snd_hda_codec_amp_update - update the AMP mono value
1243 * @codec: HD-audio codec
1244 * @nid: NID to read the AMP value
1245 * @ch: channel to update (0 or 1)
1246 * @dir: #HDA_INPUT or #HDA_OUTPUT
1247 * @idx: the index value (only for input direction)
1248 * @mask: bit mask to set
1249 * @val: the bits value to set
1250 *
1251 * Update the AMP values for the given channel, direction and index.
1252 */
1253int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid,
1254 int ch, int dir, int idx, int mask, int val)
1255{
1256 unsigned int cmd = snd_hdac_regmap_encode_amp(nid, ch, dir, idx);
1257
1258 /* enable fake mute if no h/w mute but min=mute */
1259 if ((query_amp_caps(codec, nid, dir) &
1260 (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) == AC_AMPCAP_MIN_MUTE)
1261 cmd |= AC_AMP_FAKE_MUTE;
1262 return snd_hdac_regmap_update_raw(&codec->core, cmd, mask, val);
1263}
1264EXPORT_SYMBOL_GPL(snd_hda_codec_amp_update);
1265
d5191e50
TI		 1266/**
1267 * snd_hda_codec_amp_stereo - update the AMP stereo values
1268 * @codec: HD-audio codec
1269 * @nid: NID to read the AMP value
1270 * @direction: #HDA_INPUT or #HDA_OUTPUT
1271 * @idx: the index value (only for input direction)
1272 * @mask: bit mask to set
1273 * @val: the bits value to set
1274 *
1275 * Update the AMP values like snd_hda_codec_amp_update(), but for a
1276 * stereo widget with the same mask and value.
47fd830a
TI		 1277 */
1278int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
1279 int direction, int idx, int mask, int val)
1280{
1281 int ch, ret = 0;
46712646
TI		 1282
1283 if (snd_BUG_ON(mask & ~0xff))
1284 mask &= 0xff;
47fd830a
TI		 1285 for (ch = 0; ch < 2; ch++)
1286 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
1287 idx, mask, val);
1288 return ret;
1289}
2698ea98 1290EXPORT_SYMBOL_GPL(snd_hda_codec_amp_stereo);
47fd830a 1291
95a962c3
TI		 1292/**
1293 * snd_hda_codec_amp_init - initialize the AMP value
1294 * @codec: the HDA codec
1295 * @nid: NID to read the AMP value
1296 * @ch: channel (left=0 or right=1)
1297 * @dir: #HDA_INPUT or #HDA_OUTPUT
1298 * @idx: the index value (only for input direction)
1299 * @mask: bit mask to set
1300 * @val: the bits value to set
1301 *
1302 * Works like snd_hda_codec_amp_update() but it writes the value only at
280e57d5
TI		 1303 * the first access. If the amp was already initialized / updated beforehand,
1304 * this does nothing.
1305 */
1306int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
1307 int dir, int idx, int mask, int val)
1308{
eeecd9d1
TI		 1309 int orig;
1310
1311 if (!codec->core.regmap)
1312 return -EINVAL;
1313 regcache_cache_only(codec->core.regmap, true);
1314 orig = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
1315 regcache_cache_only(codec->core.regmap, false);
1316 if (orig >= 0)
1317 return 0;
1318 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx, mask, val);
280e57d5 1319}
2698ea98 1320EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init);
280e57d5 1321
95a962c3
TI		 1322/**
1323 * snd_hda_codec_amp_init_stereo - initialize the stereo AMP value
1324 * @codec: the HDA codec
1325 * @nid: NID to read the AMP value
1326 * @dir: #HDA_INPUT or #HDA_OUTPUT
1327 * @idx: the index value (only for input direction)
1328 * @mask: bit mask to set
1329 * @val: the bits value to set
1330 *
1331 * Call snd_hda_codec_amp_init() for both stereo channels.
1332 */
280e57d5
TI		 1333int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
1334 int dir, int idx, int mask, int val)
1335{
1336 int ch, ret = 0;
1337
1338 if (snd_BUG_ON(mask & ~0xff))
1339 mask &= 0xff;
1340 for (ch = 0; ch < 2; ch++)
1341 ret |= snd_hda_codec_amp_init(codec, nid, ch, dir,
1342 idx, mask, val);
1343 return ret;
1344}
2698ea98 1345EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init_stereo);
280e57d5 1346
afbd9b84
TI		 1347static u32 get_amp_max_value(struct hda_codec *codec, hda_nid_t nid, int dir,
1348 unsigned int ofs)
1349{
1350 u32 caps = query_amp_caps(codec, nid, dir);
1351 /* get num steps */
1352 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1353 if (ofs < caps)
1354 caps -= ofs;
1355 return caps;
1356}
1357
d5191e50
TI		 1358/**
1359 * snd_hda_mixer_amp_volume_info - Info callback for a standard AMP mixer
a11e9b16
TI		 1360 * @kcontrol: referred ctl element
1361 * @uinfo: pointer to get/store the data
d5191e50
TI		 1362 *
1363 * The control element is supposed to have the private_value field
1364 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1365 */
0ba21762
TI		 1366int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
1367 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 1368{
1369 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1370 u16 nid = get_amp_nid(kcontrol);
1371 u8 chs = get_amp_channels(kcontrol);
1372 int dir = get_amp_direction(kcontrol);
29fdbec2 1373 unsigned int ofs = get_amp_offset(kcontrol);
1da177e4 1374
afbd9b84
TI		 1375 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1376 uinfo->count = chs == 3 ? 2 : 1;
1377 uinfo->value.integer.min = 0;
1378 uinfo->value.integer.max = get_amp_max_value(codec, nid, dir, ofs);
1379 if (!uinfo->value.integer.max) {
4e76a883
TI		 1380 codec_warn(codec,
1381 "num_steps = 0 for NID=0x%x (ctl = %s)\n",
1382 nid, kcontrol->id.name);
1da177e4
LT		 1383 return -EINVAL;
1384 }
1da177e4
LT		 1385 return 0;
1386}
2698ea98 1387EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_info);
1da177e4 1388
29fdbec2
TI		 1389
1390static inline unsigned int
1391read_amp_value(struct hda_codec *codec, hda_nid_t nid,
1392 int ch, int dir, int idx, unsigned int ofs)
1393{
1394 unsigned int val;
1395 val = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
1396 val &= HDA_AMP_VOLMASK;
1397 if (val >= ofs)
1398 val -= ofs;
1399 else
1400 val = 0;
1401 return val;
1402}
1403
1404static inline int
1405update_amp_value(struct hda_codec *codec, hda_nid_t nid,
1406 int ch, int dir, int idx, unsigned int ofs,
1407 unsigned int val)
1408{
afbd9b84
TI		 1409 unsigned int maxval;
1410
29fdbec2
TI		 1411 if (val > 0)
1412 val += ofs;
7ccc3efa
TI		 1413 /* ofs = 0: raw max value */
1414 maxval = get_amp_max_value(codec, nid, dir, 0);
afbd9b84
TI		 1415 if (val > maxval)
1416 val = maxval;
eeecd9d1
TI		 1417 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx,
1418 HDA_AMP_VOLMASK, val);
29fdbec2
TI		 1419}
1420
d5191e50
TI		 1421/**
1422 * snd_hda_mixer_amp_volume_get - Get callback for a standard AMP mixer volume
a11e9b16
TI		 1423 * @kcontrol: ctl element
1424 * @ucontrol: pointer to get/store the data
d5191e50
TI		 1425 *
1426 * The control element is supposed to have the private_value field
1427 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1428 */
0ba21762
TI		 1429int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
1430 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1431{
1432 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1433 hda_nid_t nid = get_amp_nid(kcontrol);
1434 int chs = get_amp_channels(kcontrol);
1435 int dir = get_amp_direction(kcontrol);
1436 int idx = get_amp_index(kcontrol);
29fdbec2 1437 unsigned int ofs = get_amp_offset(kcontrol);
1da177e4
LT		 1438 long *valp = ucontrol->value.integer.value;
1439
1440 if (chs & 1)
29fdbec2 1441 *valp++ = read_amp_value(codec, nid, 0, dir, idx, ofs);
1da177e4 1442 if (chs & 2)
29fdbec2 1443 *valp = read_amp_value(codec, nid, 1, dir, idx, ofs);
1da177e4
LT		 1444 return 0;
1445}
2698ea98 1446EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_get);
1da177e4 1447
d5191e50
TI		 1448/**
1449 * snd_hda_mixer_amp_volume_put - Put callback for a standard AMP mixer volume
a11e9b16
TI		 1450 * @kcontrol: ctl element
1451 * @ucontrol: pointer to get/store the data
d5191e50
TI		 1452 *
1453 * The control element is supposed to have the private_value field
1454 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1455 */
0ba21762
TI		 1456int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1457 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1458{
1459 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1460 hda_nid_t nid = get_amp_nid(kcontrol);
1461 int chs = get_amp_channels(kcontrol);
1462 int dir = get_amp_direction(kcontrol);
1463 int idx = get_amp_index(kcontrol);
29fdbec2 1464 unsigned int ofs = get_amp_offset(kcontrol);
1da177e4
LT		 1465 long *valp = ucontrol->value.integer.value;
1466 int change = 0;
1467
b9f5a89c 1468 if (chs & 1) {
29fdbec2 1469 change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp);
b9f5a89c
NG		 1470 valp++;
1471 }
4a19faee 1472 if (chs & 2)
29fdbec2 1473 change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp);
1da177e4
LT		 1474 return change;
1475}
2698ea98 1476EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_put);
1da177e4 1477
99b5c5bb
TI		 1478/* inquiry the amp caps and convert to TLV */
1479static void get_ctl_amp_tlv(struct snd_kcontrol *kcontrol, unsigned int *tlv)
302e9c5a
JK		 1480{
1481 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1482 hda_nid_t nid = get_amp_nid(kcontrol);
1483 int dir = get_amp_direction(kcontrol);
29fdbec2 1484 unsigned int ofs = get_amp_offset(kcontrol);
de8c85f7 1485 bool min_mute = get_amp_min_mute(kcontrol);
302e9c5a
JK		 1486 u32 caps, val1, val2;
1487
302e9c5a 1488 caps = query_amp_caps(codec, nid, dir);
0ba21762
TI		 1489 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1490 val2 = (val2 + 1) * 25;
302e9c5a 1491 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
29fdbec2 1492 val1 += ofs;
302e9c5a 1493 val1 = ((int)val1) * ((int)val2);
3868137e 1494 if (min_mute || (caps & AC_AMPCAP_MIN_MUTE))
c08d9169 1495 val2 |= TLV_DB_SCALE_MUTE;
99b5c5bb
TI		 1496 tlv[0] = SNDRV_CTL_TLVT_DB_SCALE;
1497 tlv[1] = 2 * sizeof(unsigned int);
1498 tlv[2] = val1;
1499 tlv[3] = val2;
1500}
1501
1502/**
f0049e16 1503 * snd_hda_mixer_amp_tlv - TLV callback for a standard AMP mixer volume
99b5c5bb
TI		 1504 * @kcontrol: ctl element
1505 * @op_flag: operation flag
1506 * @size: byte size of input TLV
1507 * @_tlv: TLV data
1508 *
1509 * The control element is supposed to have the private_value field
1510 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1511 */
1512int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1513 unsigned int size, unsigned int __user *_tlv)
1514{
1515 unsigned int tlv[4];
1516
1517 if (size < 4 * sizeof(unsigned int))
1518 return -ENOMEM;
1519 get_ctl_amp_tlv(kcontrol, tlv);
1520 if (copy_to_user(_tlv, tlv, sizeof(tlv)))
302e9c5a
JK		 1521 return -EFAULT;
1522 return 0;
1523}
2698ea98 1524EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_tlv);
302e9c5a 1525
d5191e50
TI		 1526/**
1527 * snd_hda_set_vmaster_tlv - Set TLV for a virtual master control
1528 * @codec: HD-audio codec
1529 * @nid: NID of a reference widget
1530 * @dir: #HDA_INPUT or #HDA_OUTPUT
1531 * @tlv: TLV data to be stored, at least 4 elements
1532 *
1533 * Set (static) TLV data for a virtual master volume using the AMP caps
1534 * obtained from the reference NID.
1535 * The volume range is recalculated as if the max volume is 0dB.
2134ea4f
TI		 1536 */
1537void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1538 unsigned int *tlv)
1539{
1540 u32 caps;
1541 int nums, step;
1542
1543 caps = query_amp_caps(codec, nid, dir);
1544 nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1545 step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1546 step = (step + 1) * 25;
1547 tlv[0] = SNDRV_CTL_TLVT_DB_SCALE;
1548 tlv[1] = 2 * sizeof(unsigned int);
1549 tlv[2] = -nums * step;
1550 tlv[3] = step;
1551}
2698ea98 1552EXPORT_SYMBOL_GPL(snd_hda_set_vmaster_tlv);
2134ea4f
TI		 1553
1554/* find a mixer control element with the given name */
09f99701 1555static struct snd_kcontrol *
dcda5806 1556find_mixer_ctl(struct hda_codec *codec, const char *name, int dev, int idx)
2134ea4f
TI		 1557{
1558 struct snd_ctl_elem_id id;
1559 memset(&id, 0, sizeof(id));
1560 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
dcda5806 1561 id.device = dev;
09f99701 1562 id.index = idx;
18cb7109
TI		 1563 if (snd_BUG_ON(strlen(name) >= sizeof(id.name)))
1564 return NULL;
2134ea4f 1565 strcpy(id.name, name);
6efdd851 1566 return snd_ctl_find_id(codec->card, &id);
2134ea4f
TI		 1567}
1568
d5191e50
TI		 1569/**
1570 * snd_hda_find_mixer_ctl - Find a mixer control element with the given name
1571 * @codec: HD-audio codec
1572 * @name: ctl id name string
1573 *
1574 * Get the control element with the given id string and IFACE_MIXER.
1575 */
09f99701
TI		 1576struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1577 const char *name)
1578{
dcda5806 1579 return find_mixer_ctl(codec, name, 0, 0);
09f99701 1580}
2698ea98 1581EXPORT_SYMBOL_GPL(snd_hda_find_mixer_ctl);
09f99701 1582
dcda5806 1583static int find_empty_mixer_ctl_idx(struct hda_codec *codec, const char *name,
ea9b43ad 1584 int start_idx)
1afe206a 1585{
ea9b43ad
TI		 1586 int i, idx;
1587 /* 16 ctlrs should be large enough */
1588 for (i = 0, idx = start_idx; i < 16; i++, idx++) {
1589 if (!find_mixer_ctl(codec, name, 0, idx))
1afe206a
TI		 1590 return idx;
1591 }
1592 return -EBUSY;
1593}
1594
d5191e50 1595/**
5b0cb1d8 1596 * snd_hda_ctl_add - Add a control element and assign to the codec
d5191e50
TI		 1597 * @codec: HD-audio codec
1598 * @nid: corresponding NID (optional)
1599 * @kctl: the control element to assign
1600 *
1601 * Add the given control element to an array inside the codec instance.
1602 * All control elements belonging to a codec are supposed to be added
1603 * by this function so that a proper clean-up works at the free or
1604 * reconfiguration time.
1605 *
1606 * If non-zero @nid is passed, the NID is assigned to the control element.
1607 * The assignment is shown in the codec proc file.
1608 *
1609 * snd_hda_ctl_add() checks the control subdev id field whether
1610 * #HDA_SUBDEV_NID_FLAG bit is set. If set (and @nid is zero), the lower
9e3fd871
JK		 1611 * bits value is taken as the NID to assign. The #HDA_NID_ITEM_AMP bit
1612 * specifies if kctl->private_value is a HDA amplifier value.
d5191e50 1613 */
3911a4c1
JK		 1614int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
1615 struct snd_kcontrol *kctl)
d13bd412
TI		 1616{
1617 int err;
9e3fd871 1618 unsigned short flags = 0;
3911a4c1 1619 struct hda_nid_item *item;
d13bd412 1620
5e26dfd0 1621 if (kctl->id.subdevice & HDA_SUBDEV_AMP_FLAG) {
9e3fd871 1622 flags |= HDA_NID_ITEM_AMP;
5e26dfd0
JK		 1623 if (nid == 0)
1624 nid = get_amp_nid_(kctl->private_value);
1625 }
9e3fd871
JK		 1626 if ((kctl->id.subdevice & HDA_SUBDEV_NID_FLAG) != 0 && nid == 0)
1627 nid = kctl->id.subdevice & 0xffff;
5e26dfd0 1628 if (kctl->id.subdevice & (HDA_SUBDEV_NID_FLAG|HDA_SUBDEV_AMP_FLAG))
4d02d1b6 1629 kctl->id.subdevice = 0;
6efdd851 1630 err = snd_ctl_add(codec->card, kctl);
d13bd412
TI		 1631 if (err < 0)
1632 return err;
3911a4c1
JK		 1633 item = snd_array_new(&codec->mixers);
1634 if (!item)
d13bd412 1635 return -ENOMEM;
3911a4c1
JK		 1636 item->kctl = kctl;
1637 item->nid = nid;
9e3fd871 1638 item->flags = flags;
d13bd412
TI		 1639 return 0;
1640}
2698ea98 1641EXPORT_SYMBOL_GPL(snd_hda_ctl_add);
d13bd412 1642
5b0cb1d8
JK		 1643/**
1644 * snd_hda_add_nid - Assign a NID to a control element
1645 * @codec: HD-audio codec
1646 * @nid: corresponding NID (optional)
1647 * @kctl: the control element to assign
1648 * @index: index to kctl
1649 *
1650 * Add the given control element to an array inside the codec instance.
1651 * This function is used when #snd_hda_ctl_add cannot be used for 1:1
1652 * NID:KCTL mapping - for example "Capture Source" selector.
1653 */
1654int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
1655 unsigned int index, hda_nid_t nid)
1656{
1657 struct hda_nid_item *item;
1658
1659 if (nid > 0) {
1660 item = snd_array_new(&codec->nids);
1661 if (!item)
1662 return -ENOMEM;
1663 item->kctl = kctl;
1664 item->index = index;
1665 item->nid = nid;
1666 return 0;
1667 }
4e76a883
TI		 1668 codec_err(codec, "no NID for mapping control %s:%d:%d\n",
1669 kctl->id.name, kctl->id.index, index);
5b0cb1d8
JK		 1670 return -EINVAL;
1671}
2698ea98 1672EXPORT_SYMBOL_GPL(snd_hda_add_nid);
5b0cb1d8 1673
d5191e50
TI		 1674/**
1675 * snd_hda_ctls_clear - Clear all controls assigned to the given codec
1676 * @codec: HD-audio codec
1677 */
d13bd412
TI		 1678void snd_hda_ctls_clear(struct hda_codec *codec)
1679{
1680 int i;
3911a4c1 1681 struct hda_nid_item *items = codec->mixers.list;
d13bd412 1682 for (i = 0; i < codec->mixers.used; i++)
6efdd851 1683 snd_ctl_remove(codec->card, items[i].kctl);
d13bd412 1684 snd_array_free(&codec->mixers);
5b0cb1d8 1685 snd_array_free(&codec->nids);
d13bd412
TI		 1686}
1687
95a962c3
TI		 1688/**
1689 * snd_hda_lock_devices - pseudo device locking
1690 * @bus: the BUS
1691 *
a65d629c
TI		 1692 * toggle card->shutdown to allow/disallow the device access (as a hack)
1693 */
d3d020bd 1694int snd_hda_lock_devices(struct hda_bus *bus)
6c1f45ea 1695{
d3d020bd
TI		 1696 struct snd_card *card = bus->card;
1697 struct hda_codec *codec;
1698
a65d629c 1699 spin_lock(&card->files_lock);
d3d020bd
TI		 1700 if (card->shutdown)
1701 goto err_unlock;
a65d629c 1702 card->shutdown = 1;
d3d020bd
TI		 1703 if (!list_empty(&card->ctl_files))
1704 goto err_clear;
1705
d068ebc2 1706 list_for_each_codec(codec, bus) {
bbbc7e85
TI		 1707 struct hda_pcm *cpcm;
1708 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
d3d020bd
TI		 1709 if (!cpcm->pcm)
1710 continue;
1711 if (cpcm->pcm->streams[0].substream_opened ||
1712 cpcm->pcm->streams[1].substream_opened)
1713 goto err_clear;
1714 }
1715 }
a65d629c
TI		 1716 spin_unlock(&card->files_lock);
1717 return 0;
d3d020bd
TI		 1718
1719 err_clear:
1720 card->shutdown = 0;
1721 err_unlock:
1722 spin_unlock(&card->files_lock);
1723 return -EINVAL;
a65d629c 1724}
2698ea98 1725EXPORT_SYMBOL_GPL(snd_hda_lock_devices);
a65d629c 1726
95a962c3
TI		 1727/**
1728 * snd_hda_unlock_devices - pseudo device unlocking
1729 * @bus: the BUS
1730 */
d3d020bd 1731void snd_hda_unlock_devices(struct hda_bus *bus)
a65d629c 1732{
d3d020bd
TI		 1733 struct snd_card *card = bus->card;
1734
a65d629c
TI		 1735 spin_lock(&card->files_lock);
1736 card->shutdown = 0;
1737 spin_unlock(&card->files_lock);
1738}
2698ea98 1739EXPORT_SYMBOL_GPL(snd_hda_unlock_devices);
a65d629c 1740
d5191e50
TI		 1741/**
1742 * snd_hda_codec_reset - Clear all objects assigned to the codec
1743 * @codec: HD-audio codec
1744 *
1745 * This frees the all PCM and control elements assigned to the codec, and
1746 * clears the caches and restores the pin default configurations.
1747 *
1748 * When a device is being used, it returns -EBSY. If successfully freed,
1749 * returns zero.
1750 */
a65d629c
TI		 1751int snd_hda_codec_reset(struct hda_codec *codec)
1752{
d3d020bd 1753 struct hda_bus *bus = codec->bus;
a65d629c 1754
d3d020bd 1755 if (snd_hda_lock_devices(bus) < 0)
a65d629c 1756 return -EBUSY;
a65d629c
TI		 1757
1758 /* OK, let it free */
3256be65 1759 snd_hdac_device_unregister(&codec->core);
d8a766a1 1760
a65d629c 1761 /* allow device access again */
d3d020bd 1762 snd_hda_unlock_devices(bus);
a65d629c 1763 return 0;
6c1f45ea
TI		 1764}
1765
6194b99d 1766typedef int (*map_slave_func_t)(struct hda_codec *, void *, struct snd_kcontrol *);
aeb4b88e
TI		 1767
1768/* apply the function to all matching slave ctls in the mixer list */
1769static int map_slaves(struct hda_codec *codec, const char * const *slaves,
9322ca54 1770 const char *suffix, map_slave_func_t func, void *data)
aeb4b88e
TI		 1771{
1772 struct hda_nid_item *items;
1773 const char * const *s;
1774 int i, err;
1775
1776 items = codec->mixers.list;
1777 for (i = 0; i < codec->mixers.used; i++) {
1778 struct snd_kcontrol *sctl = items[i].kctl;
ca16ec02 1779 if (!sctl || sctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER)
aeb4b88e
TI		 1780 continue;
1781 for (s = slaves; *s; s++) {
9322ca54
TI		 1782 char tmpname[sizeof(sctl->id.name)];
1783 const char *name = *s;
1784 if (suffix) {
1785 snprintf(tmpname, sizeof(tmpname), "%s %s",
1786 name, suffix);
1787 name = tmpname;
1788 }
9322ca54 1789 if (!strcmp(sctl->id.name, name)) {
6194b99d 1790 err = func(codec, data, sctl);
aeb4b88e
TI		 1791 if (err)
1792 return err;
1793 break;
1794 }
1795 }
1796 }
1797 return 0;
1798}
1799
6194b99d
TI		 1800static int check_slave_present(struct hda_codec *codec,
1801 void *data, struct snd_kcontrol *sctl)
aeb4b88e
TI		 1802{
1803 return 1;
1804}
1805
18478e8b
TI		 1806/* call kctl->put with the given value(s) */
1807static int put_kctl_with_value(struct snd_kcontrol *kctl, int val)
1808{
1809 struct snd_ctl_elem_value *ucontrol;
1810 ucontrol = kzalloc(sizeof(*ucontrol), GFP_KERNEL);
1811 if (!ucontrol)
1812 return -ENOMEM;
1813 ucontrol->value.integer.value[0] = val;
1814 ucontrol->value.integer.value[1] = val;
1815 kctl->put(kctl, ucontrol);
1816 kfree(ucontrol);
1817 return 0;
1818}
1819
a91d6612
TI		 1820struct slave_init_arg {
1821 struct hda_codec *codec;
1822 int step;
1823};
1824
1825/* initialize the slave volume with 0dB via snd_ctl_apply_vmaster_slaves() */
1826static int init_slave_0dB(struct snd_kcontrol *kctl, void *_arg)
18478e8b 1827{
a91d6612
TI		 1828 struct slave_init_arg *arg = _arg;
1829 int _tlv[4];
1830 const int *tlv = NULL;
1831 int step;
1832 int val;
1833
1834 if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
1835 if (kctl->tlv.c != snd_hda_mixer_amp_tlv) {
1836 codec_err(arg->codec,
1837 "Unexpected TLV callback for slave %s:%d\n",
1838 kctl->id.name, kctl->id.index);
1839 return 0; /* ignore */
1840 }
1841 get_ctl_amp_tlv(kctl, _tlv);
1842 tlv = _tlv;
1843 } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ)
1844 tlv = kctl->tlv.p;
1845
1846 if (!tlv || tlv[0] != SNDRV_CTL_TLVT_DB_SCALE)
1847 return 0;
1848
1849 step = tlv[3];
1850 step &= ~TLV_DB_SCALE_MUTE;
1851 if (!step)
1852 return 0;
1853 if (arg->step && arg->step != step) {
1854 codec_err(arg->codec,
1855 "Mismatching dB step for vmaster slave (%d!=%d)\n",
1856 arg->step, step);
1857 return 0;
1858 }
1859
1860 arg->step = step;
1861 val = -tlv[2] / step;
1862 if (val > 0) {
1863 put_kctl_with_value(kctl, val);
1864 return val;
1865 }
1866
18478e8b
TI		 1867 return 0;
1868}
1869
a91d6612
TI		 1870/* unmute the slave via snd_ctl_apply_vmaster_slaves() */
1871static int init_slave_unmute(struct snd_kcontrol *slave, void *_arg)
18478e8b
TI		 1872{
1873 return put_kctl_with_value(slave, 1);
1874}
1875
e8750940
TI		 1876static int add_slave(struct hda_codec *codec,
1877 void *data, struct snd_kcontrol *slave)
1878{
1879 return snd_ctl_add_slave(data, slave);
1880}
1881
d5191e50 1882/**
95a962c3 1883 * __snd_hda_add_vmaster - create a virtual master control and add slaves
d5191e50
TI		 1884 * @codec: HD-audio codec
1885 * @name: vmaster control name
1886 * @tlv: TLV data (optional)
1887 * @slaves: slave control names (optional)
9322ca54 1888 * @suffix: suffix string to each slave name (optional)
18478e8b 1889 * @init_slave_vol: initialize slaves to unmute/0dB
29e5853d 1890 * @ctl_ret: store the vmaster kcontrol in return
d5191e50
TI		 1891 *
1892 * Create a virtual master control with the given name. The TLV data
1893 * must be either NULL or a valid data.
1894 *
1895 * @slaves is a NULL-terminated array of strings, each of which is a
1896 * slave control name. All controls with these names are assigned to
1897 * the new virtual master control.
1898 *
1899 * This function returns zero if successful or a negative error code.
1900 */
18478e8b 1901int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
9322ca54 1902 unsigned int *tlv, const char * const *slaves,
29e5853d
TI		 1903 const char *suffix, bool init_slave_vol,
1904 struct snd_kcontrol **ctl_ret)
2134ea4f
TI		 1905{
1906 struct snd_kcontrol *kctl;
2134ea4f
TI		 1907 int err;
1908
29e5853d
TI		 1909 if (ctl_ret)
1910 *ctl_ret = NULL;
1911
9322ca54 1912 err = map_slaves(codec, slaves, suffix, check_slave_present, NULL);
aeb4b88e 1913 if (err != 1) {
4e76a883 1914 codec_dbg(codec, "No slave found for %s\n", name);
2f085549
TI		 1915 return 0;
1916 }
2134ea4f
TI		 1917 kctl = snd_ctl_make_virtual_master(name, tlv);
1918 if (!kctl)
1919 return -ENOMEM;
3911a4c1 1920 err = snd_hda_ctl_add(codec, 0, kctl);
2134ea4f
TI		 1921 if (err < 0)
1922 return err;
28aedaf7 1923
e8750940 1924 err = map_slaves(codec, slaves, suffix, add_slave, kctl);
aeb4b88e
TI		 1925 if (err < 0)
1926 return err;
18478e8b
TI		 1927
1928 /* init with master mute & zero volume */
1929 put_kctl_with_value(kctl, 0);
485e3e0c 1930 if (init_slave_vol) {
a91d6612
TI		 1931 struct slave_init_arg arg = {
1932 .codec = codec,
1933 .step = 0,
1934 };
1935 snd_ctl_apply_vmaster_slaves(kctl,
1936 tlv ? init_slave_0dB : init_slave_unmute,
1937 &arg);
485e3e0c 1938 }
18478e8b 1939
29e5853d
TI		 1940 if (ctl_ret)
1941 *ctl_ret = kctl;
2134ea4f
TI		 1942 return 0;
1943}
2698ea98 1944EXPORT_SYMBOL_GPL(__snd_hda_add_vmaster);
2134ea4f 1945
d2f344b5
TI		 1946/*
1947 * mute-LED control using vmaster
1948 */
1949static int vmaster_mute_mode_info(struct snd_kcontrol *kcontrol,
1950 struct snd_ctl_elem_info *uinfo)
1951{
1952 static const char * const texts[] = {
c86c2d44 1953 "On", "Off", "Follow Master"
d2f344b5 1954 };
d2f344b5 1955
3ff72219 1956 return snd_ctl_enum_info(uinfo, 1, 3, texts);
d2f344b5
TI		 1957}
1958
1959static int vmaster_mute_mode_get(struct snd_kcontrol *kcontrol,
1960 struct snd_ctl_elem_value *ucontrol)
1961{
1962 struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
1963 ucontrol->value.enumerated.item[0] = hook->mute_mode;
1964 return 0;
1965}
1966
1967static int vmaster_mute_mode_put(struct snd_kcontrol *kcontrol,
1968 struct snd_ctl_elem_value *ucontrol)
1969{
1970 struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
1971 unsigned int old_mode = hook->mute_mode;
1972
1973 hook->mute_mode = ucontrol->value.enumerated.item[0];
1974 if (hook->mute_mode > HDA_VMUTE_FOLLOW_MASTER)
1975 hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
1976 if (old_mode == hook->mute_mode)
1977 return 0;
1978 snd_hda_sync_vmaster_hook(hook);
1979 return 1;
1980}
1981
f3b827e0 1982static const struct snd_kcontrol_new vmaster_mute_mode = {
d2f344b5
TI		 1983 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1984 .name = "Mute-LED Mode",
1985 .info = vmaster_mute_mode_info,
1986 .get = vmaster_mute_mode_get,
1987 .put = vmaster_mute_mode_put,
1988};
1989
ee52e56e
TI		 1990/* meta hook to call each driver's vmaster hook */
1991static void vmaster_hook(void *private_data, int enabled)
1992{
1993 struct hda_vmaster_mute_hook *hook = private_data;
1994
1995 if (hook->mute_mode != HDA_VMUTE_FOLLOW_MASTER)
1996 enabled = hook->mute_mode;
1997 hook->hook(hook->codec, enabled);
1998}
1999
95a962c3
TI		 2000/**
2001 * snd_hda_add_vmaster_hook - Add a vmaster hook for mute-LED
2002 * @codec: the HDA codec
2003 * @hook: the vmaster hook object
2004 * @expose_enum_ctl: flag to create an enum ctl
2005 *
2006 * Add a mute-LED hook with the given vmaster switch kctl.
2007 * When @expose_enum_ctl is set, "Mute-LED Mode" control is automatically
2008 * created and associated with the given hook.
d2f344b5
TI		 2009 */
2010int snd_hda_add_vmaster_hook(struct hda_codec *codec,
f29735cb
TI		 2011 struct hda_vmaster_mute_hook *hook,
2012 bool expose_enum_ctl)
d2f344b5
TI		 2013{
2014 struct snd_kcontrol *kctl;
2015
2016 if (!hook->hook || !hook->sw_kctl)
2017 return 0;
d2f344b5
TI		 2018 hook->codec = codec;
2019 hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
ee52e56e 2020 snd_ctl_add_vmaster_hook(hook->sw_kctl, vmaster_hook, hook);
f29735cb
TI		 2021 if (!expose_enum_ctl)
2022 return 0;
d2f344b5
TI		 2023 kctl = snd_ctl_new1(&vmaster_mute_mode, hook);
2024 if (!kctl)
2025 return -ENOMEM;
2026 return snd_hda_ctl_add(codec, 0, kctl);
2027}
2698ea98 2028EXPORT_SYMBOL_GPL(snd_hda_add_vmaster_hook);
d2f344b5 2029
95a962c3
TI		 2030/**
2031 * snd_hda_sync_vmaster_hook - Sync vmaster hook
2032 * @hook: the vmaster hook
2033 *
2034 * Call the hook with the current value for synchronization.
2035 * Should be called in init callback.
d2f344b5
TI		 2036 */
2037void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook)
2038{
2039 if (!hook->hook || !hook->codec)
2040 return;
594813ff
TI		 2041 /* don't call vmaster hook in the destructor since it might have
2042 * been already destroyed
2043 */
2044 if (hook->codec->bus->shutdown)
2045 return;
ee52e56e 2046 snd_ctl_sync_vmaster_hook(hook->sw_kctl);
d2f344b5 2047}
2698ea98 2048EXPORT_SYMBOL_GPL(snd_hda_sync_vmaster_hook);
d2f344b5
TI		 2049
2050
d5191e50
TI		 2051/**
2052 * snd_hda_mixer_amp_switch_info - Info callback for a standard AMP mixer switch
a11e9b16
TI		 2053 * @kcontrol: referred ctl element
2054 * @uinfo: pointer to get/store the data
d5191e50
TI		 2055 *
2056 * The control element is supposed to have the private_value field
2057 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2058 */
0ba21762
TI		 2059int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
2060 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 2061{
2062 int chs = get_amp_channels(kcontrol);
2063
2064 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2065 uinfo->count = chs == 3 ? 2 : 1;
2066 uinfo->value.integer.min = 0;
2067 uinfo->value.integer.max = 1;
2068 return 0;
2069}
2698ea98 2070EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_info);
1da177e4 2071
d5191e50
TI		 2072/**
2073 * snd_hda_mixer_amp_switch_get - Get callback for a standard AMP mixer switch
a11e9b16
TI		 2074 * @kcontrol: ctl element
2075 * @ucontrol: pointer to get/store the data
d5191e50
TI		 2076 *
2077 * The control element is supposed to have the private_value field
2078 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2079 */
0ba21762
TI		 2080int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
2081 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2082{
2083 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2084 hda_nid_t nid = get_amp_nid(kcontrol);
2085 int chs = get_amp_channels(kcontrol);
2086 int dir = get_amp_direction(kcontrol);
2087 int idx = get_amp_index(kcontrol);
2088 long *valp = ucontrol->value.integer.value;
2089
2090 if (chs & 1)
0ba21762 2091 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
47fd830a 2092 HDA_AMP_MUTE) ? 0 : 1;
1da177e4 2093 if (chs & 2)
0ba21762 2094 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
47fd830a 2095 HDA_AMP_MUTE) ? 0 : 1;
1da177e4
LT		 2096 return 0;
2097}
2698ea98 2098EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_get);
1da177e4 2099
d5191e50
TI		 2100/**
2101 * snd_hda_mixer_amp_switch_put - Put callback for a standard AMP mixer switch
a11e9b16
TI		 2102 * @kcontrol: ctl element
2103 * @ucontrol: pointer to get/store the data
d5191e50
TI		 2104 *
2105 * The control element is supposed to have the private_value field
2106 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2107 */
0ba21762
TI		 2108int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
2109 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2110{
2111 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2112 hda_nid_t nid = get_amp_nid(kcontrol);
2113 int chs = get_amp_channels(kcontrol);
2114 int dir = get_amp_direction(kcontrol);
2115 int idx = get_amp_index(kcontrol);
1da177e4
LT		 2116 long *valp = ucontrol->value.integer.value;
2117 int change = 0;
2118
b9f5a89c 2119 if (chs & 1) {
eeecd9d1
TI		 2120 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
2121 HDA_AMP_MUTE,
2122 *valp ? 0 : HDA_AMP_MUTE);
b9f5a89c
NG		 2123 valp++;
2124 }
4a19faee 2125 if (chs & 2)
eeecd9d1
TI		 2126 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
2127 HDA_AMP_MUTE,
2128 *valp ? 0 : HDA_AMP_MUTE);
9e5341b9 2129 hda_call_check_power_status(codec, nid);
1da177e4
LT		 2130 return change;
2131}
2698ea98 2132EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put);
1da177e4
LT		 2133
2134/*
2135 * SPDIF out controls
2136 */
2137
0ba21762
TI		 2138static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
2139 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 2140{
2141 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2142 uinfo->count = 1;
2143 return 0;
2144}
2145
0ba21762
TI		 2146static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
2147 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2148{
2149 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2150 IEC958_AES0_NONAUDIO |
2151 IEC958_AES0_CON_EMPHASIS_5015 |
2152 IEC958_AES0_CON_NOT_COPYRIGHT;
2153 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
2154 IEC958_AES1_CON_ORIGINAL;
2155 return 0;
2156}
2157
0ba21762
TI		 2158static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
2159 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2160{
2161 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2162 IEC958_AES0_NONAUDIO |
2163 IEC958_AES0_PRO_EMPHASIS_5015;
2164 return 0;
2165}
2166
0ba21762
TI		 2167static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
2168 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2169{
2170 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
7c935976 2171 int idx = kcontrol->private_value;
e3245cdd 2172 struct hda_spdif_out *spdif;
1da177e4 2173
e3245cdd
TI		 2174 mutex_lock(&codec->spdif_mutex);
2175 spdif = snd_array_elem(&codec->spdif_out, idx);
7c935976
SW		 2176 ucontrol->value.iec958.status[0] = spdif->status & 0xff;
2177 ucontrol->value.iec958.status[1] = (spdif->status >> 8) & 0xff;
2178 ucontrol->value.iec958.status[2] = (spdif->status >> 16) & 0xff;
2179 ucontrol->value.iec958.status[3] = (spdif->status >> 24) & 0xff;
e3245cdd 2180 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2181
2182 return 0;
2183}
2184
2185/* convert from SPDIF status bits to HDA SPDIF bits
2186 * bit 0 (DigEn) is always set zero (to be filled later)
2187 */
2188static unsigned short convert_from_spdif_status(unsigned int sbits)
2189{
2190 unsigned short val = 0;
2191
2192 if (sbits & IEC958_AES0_PROFESSIONAL)
0ba21762 2193 val |= AC_DIG1_PROFESSIONAL;
1da177e4 2194 if (sbits & IEC958_AES0_NONAUDIO)
0ba21762 2195 val |= AC_DIG1_NONAUDIO;
1da177e4 2196 if (sbits & IEC958_AES0_PROFESSIONAL) {
0ba21762
TI		 2197 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
2198 IEC958_AES0_PRO_EMPHASIS_5015)
2199 val |= AC_DIG1_EMPHASIS;
1da177e4 2200 } else {
0ba21762
TI		 2201 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
2202 IEC958_AES0_CON_EMPHASIS_5015)
2203 val |= AC_DIG1_EMPHASIS;
2204 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
2205 val |= AC_DIG1_COPYRIGHT;
1da177e4 2206 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
0ba21762 2207 val |= AC_DIG1_LEVEL;
1da177e4
LT		 2208 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
2209 }
2210 return val;
2211}
2212
2213/* convert to SPDIF status bits from HDA SPDIF bits
2214 */
2215static unsigned int convert_to_spdif_status(unsigned short val)
2216{
2217 unsigned int sbits = 0;
2218
0ba21762 2219 if (val & AC_DIG1_NONAUDIO)
1da177e4 2220 sbits |= IEC958_AES0_NONAUDIO;
0ba21762 2221 if (val & AC_DIG1_PROFESSIONAL)
1da177e4
LT		 2222 sbits |= IEC958_AES0_PROFESSIONAL;
2223 if (sbits & IEC958_AES0_PROFESSIONAL) {
a686fd14 2224 if (val & AC_DIG1_EMPHASIS)
1da177e4
LT		 2225 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
2226 } else {
0ba21762 2227 if (val & AC_DIG1_EMPHASIS)
1da177e4 2228 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
0ba21762 2229 if (!(val & AC_DIG1_COPYRIGHT))
1da177e4 2230 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
0ba21762 2231 if (val & AC_DIG1_LEVEL)
1da177e4
LT		 2232 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
2233 sbits |= val & (0x7f << 8);
2234 }
2235 return sbits;
2236}
2237
2f72853c
TI		 2238/* set digital convert verbs both for the given NID and its slaves */
2239static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
a551d914 2240 int mask, int val)
2f72853c 2241{
dda14410 2242 const hda_nid_t *d;
2f72853c 2243
a551d914
TI		 2244 snd_hdac_regmap_update(&codec->core, nid, AC_VERB_SET_DIGI_CONVERT_1,
2245 mask, val);
2f72853c
TI		 2246 d = codec->slave_dig_outs;
2247 if (!d)
2248 return;
2249 for (; *d; d++)
7d4b5e97 2250 snd_hdac_regmap_update(&codec->core, *d,
a551d914 2251 AC_VERB_SET_DIGI_CONVERT_1, mask, val);
2f72853c
TI		 2252}
2253
2254static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
2255 int dig1, int dig2)
2256{
a551d914
TI		 2257 unsigned int mask = 0;
2258 unsigned int val = 0;
2259
2260 if (dig1 != -1) {
2261 mask |= 0xff;
2262 val = dig1;
2263 }
2264 if (dig2 != -1) {
2265 mask |= 0xff00;
2266 val |= dig2 << 8;
2267 }
2268 set_dig_out(codec, nid, mask, val);
2f72853c
TI		 2269}
2270
0ba21762
TI		 2271static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
2272 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2273{
2274 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
7c935976 2275 int idx = kcontrol->private_value;
e3245cdd
TI		 2276 struct hda_spdif_out *spdif;
2277 hda_nid_t nid;
1da177e4
LT		 2278 unsigned short val;
2279 int change;
2280
62932df8 2281 mutex_lock(&codec->spdif_mutex);
e3245cdd
TI		 2282 spdif = snd_array_elem(&codec->spdif_out, idx);
2283 nid = spdif->nid;
7c935976 2284 spdif->status = ucontrol->value.iec958.status[0] |
1da177e4
LT		 2285 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
2286 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
2287 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
7c935976
SW		 2288 val = convert_from_spdif_status(spdif->status);
2289 val |= spdif->ctls & 1;
2290 change = spdif->ctls != val;
2291 spdif->ctls = val;
74b654c9 2292 if (change && nid != (u16)-1)
2f72853c 2293 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
62932df8 2294 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2295 return change;
2296}
2297
a5ce8890 2298#define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
1da177e4 2299
0ba21762
TI		 2300static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
2301 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2302{
2303 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
7c935976 2304 int idx = kcontrol->private_value;
e3245cdd 2305 struct hda_spdif_out *spdif;
1da177e4 2306
e3245cdd
TI		 2307 mutex_lock(&codec->spdif_mutex);
2308 spdif = snd_array_elem(&codec->spdif_out, idx);
7c935976 2309 ucontrol->value.integer.value[0] = spdif->ctls & AC_DIG1_ENABLE;
e3245cdd 2310 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2311 return 0;
2312}
2313
74b654c9
SW		 2314static inline void set_spdif_ctls(struct hda_codec *codec, hda_nid_t nid,
2315 int dig1, int dig2)
2316{
2317 set_dig_out_convert(codec, nid, dig1, dig2);
2318 /* unmute amp switch (if any) */
2319 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
2320 (dig1 & AC_DIG1_ENABLE))
2321 snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
2322 HDA_AMP_MUTE, 0);
2323}
2324
0ba21762
TI		 2325static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
2326 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2327{
2328 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
7c935976 2329 int idx = kcontrol->private_value;
e3245cdd
TI		 2330 struct hda_spdif_out *spdif;
2331 hda_nid_t nid;
1da177e4
LT		 2332 unsigned short val;
2333 int change;
2334
62932df8 2335 mutex_lock(&codec->spdif_mutex);
e3245cdd
TI		 2336 spdif = snd_array_elem(&codec->spdif_out, idx);
2337 nid = spdif->nid;
7c935976 2338 val = spdif->ctls & ~AC_DIG1_ENABLE;
1da177e4 2339 if (ucontrol->value.integer.value[0])
0ba21762 2340 val |= AC_DIG1_ENABLE;
7c935976 2341 change = spdif->ctls != val;
74b654c9
SW		 2342 spdif->ctls = val;
2343 if (change && nid != (u16)-1)
2344 set_spdif_ctls(codec, nid, val & 0xff, -1);
62932df8 2345 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2346 return change;
2347}
2348
c8b6bf9b 2349static struct snd_kcontrol_new dig_mixes[] = {
1da177e4
LT		 2350 {
2351 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2352 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
28aedaf7 2353 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
1da177e4
LT		 2354 .info = snd_hda_spdif_mask_info,
2355 .get = snd_hda_spdif_cmask_get,
2356 },
2357 {
2358 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2359 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
28aedaf7 2360 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
1da177e4
LT		 2361 .info = snd_hda_spdif_mask_info,
2362 .get = snd_hda_spdif_pmask_get,
2363 },
2364 {
2365 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
28aedaf7 2366 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1da177e4
LT		 2367 .info = snd_hda_spdif_mask_info,
2368 .get = snd_hda_spdif_default_get,
2369 .put = snd_hda_spdif_default_put,
2370 },
2371 {
2372 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
28aedaf7 2373 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
1da177e4
LT		 2374 .info = snd_hda_spdif_out_switch_info,
2375 .get = snd_hda_spdif_out_switch_get,
2376 .put = snd_hda_spdif_out_switch_put,
2377 },
2378 { } /* end */
2379};
2380
2381/**
dcda5806 2382 * snd_hda_create_dig_out_ctls - create Output SPDIF-related controls
1da177e4 2383 * @codec: the HDA codec
dcda5806
TI		 2384 * @associated_nid: NID that new ctls associated with
2385 * @cvt_nid: converter NID
2386 * @type: HDA_PCM_TYPE_*
2387 * Creates controls related with the digital output.
2388 * Called from each patch supporting the digital out.
1da177e4
LT		 2389 *
2390 * Returns 0 if successful, or a negative error code.
2391 */
dcda5806
TI		 2392int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
2393 hda_nid_t associated_nid,
2394 hda_nid_t cvt_nid,
2395 int type)
1da177e4
LT		 2396{
2397 int err;
c8b6bf9b
TI		 2398 struct snd_kcontrol *kctl;
2399 struct snd_kcontrol_new *dig_mix;
ea9b43ad 2400 int idx = 0;
a551d914 2401 int val = 0;
ea9b43ad 2402 const int spdif_index = 16;
7c935976 2403 struct hda_spdif_out *spdif;
ea9b43ad 2404 struct hda_bus *bus = codec->bus;
1da177e4 2405
ea9b43ad 2406 if (bus->primary_dig_out_type == HDA_PCM_TYPE_HDMI &&
dcda5806 2407 type == HDA_PCM_TYPE_SPDIF) {
ea9b43ad
TI		 2408 idx = spdif_index;
2409 } else if (bus->primary_dig_out_type == HDA_PCM_TYPE_SPDIF &&
dcda5806 2410 type == HDA_PCM_TYPE_HDMI) {
ea9b43ad
TI		 2411 /* suppose a single SPDIF device */
2412 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2413 kctl = find_mixer_ctl(codec, dig_mix->name, 0, 0);
2414 if (!kctl)
2415 break;
2416 kctl->id.index = spdif_index;
dcda5806 2417 }
ea9b43ad 2418 bus->primary_dig_out_type = HDA_PCM_TYPE_HDMI;
dcda5806 2419 }
ea9b43ad
TI		 2420 if (!bus->primary_dig_out_type)
2421 bus->primary_dig_out_type = type;
dcda5806 2422
ea9b43ad 2423 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Playback Switch", idx);
1afe206a 2424 if (idx < 0) {
4e76a883 2425 codec_err(codec, "too many IEC958 outputs\n");
09f99701
TI		 2426 return -EBUSY;
2427 }
7c935976 2428 spdif = snd_array_new(&codec->spdif_out);
25336e8a
ML		 2429 if (!spdif)
2430 return -ENOMEM;
1da177e4
LT		 2431 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2432 kctl = snd_ctl_new1(dig_mix, codec);
b91f080f
TI		 2433 if (!kctl)
2434 return -ENOMEM;
09f99701 2435 kctl->id.index = idx;
7c935976 2436 kctl->private_value = codec->spdif_out.used - 1;
74b654c9 2437 err = snd_hda_ctl_add(codec, associated_nid, kctl);
0ba21762 2438 if (err < 0)
1da177e4
LT		 2439 return err;
2440 }
74b654c9 2441 spdif->nid = cvt_nid;
a551d914
TI		 2442 snd_hdac_regmap_read(&codec->core, cvt_nid,
2443 AC_VERB_GET_DIGI_CONVERT_1, &val);
2444 spdif->ctls = val;
7c935976 2445 spdif->status = convert_to_spdif_status(spdif->ctls);
1da177e4
LT		 2446 return 0;
2447}
2698ea98 2448EXPORT_SYMBOL_GPL(snd_hda_create_dig_out_ctls);
1da177e4 2449
95a962c3
TI		 2450/**
2451 * snd_hda_spdif_out_of_nid - get the hda_spdif_out entry from the given NID
2452 * @codec: the HDA codec
2453 * @nid: widget NID
2454 *
e3245cdd
TI		 2455 * call within spdif_mutex lock
2456 */
7c935976
SW		 2457struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
2458 hda_nid_t nid)
2459{
2460 int i;
2461 for (i = 0; i < codec->spdif_out.used; i++) {
2462 struct hda_spdif_out *spdif =
2463 snd_array_elem(&codec->spdif_out, i);
2464 if (spdif->nid == nid)
2465 return spdif;
2466 }
2467 return NULL;
2468}
2698ea98 2469EXPORT_SYMBOL_GPL(snd_hda_spdif_out_of_nid);
7c935976 2470
95a962c3
TI		 2471/**
2472 * snd_hda_spdif_ctls_unassign - Unassign the given SPDIF ctl
2473 * @codec: the HDA codec
2474 * @idx: the SPDIF ctl index
2475 *
2476 * Unassign the widget from the given SPDIF control.
2477 */
74b654c9
SW		 2478void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx)
2479{
e3245cdd 2480 struct hda_spdif_out *spdif;
74b654c9
SW		 2481
2482 mutex_lock(&codec->spdif_mutex);
e3245cdd 2483 spdif = snd_array_elem(&codec->spdif_out, idx);
74b654c9
SW		 2484 spdif->nid = (u16)-1;
2485 mutex_unlock(&codec->spdif_mutex);
2486}
2698ea98 2487EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_unassign);
74b654c9 2488
95a962c3
TI		 2489/**
2490 * snd_hda_spdif_ctls_assign - Assign the SPDIF controls to the given NID
2491 * @codec: the HDA codec
2492 * @idx: the SPDIF ctl idx
2493 * @nid: widget NID
2494 *
2495 * Assign the widget to the SPDIF control with the given index.
2496 */
74b654c9
SW		 2497void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid)
2498{
e3245cdd 2499 struct hda_spdif_out *spdif;
74b654c9
SW		 2500 unsigned short val;
2501
2502 mutex_lock(&codec->spdif_mutex);
e3245cdd 2503 spdif = snd_array_elem(&codec->spdif_out, idx);
74b654c9
SW		 2504 if (spdif->nid != nid) {
2505 spdif->nid = nid;
2506 val = spdif->ctls;
2507 set_spdif_ctls(codec, nid, val & 0xff, (val >> 8) & 0xff);
2508 }
2509 mutex_unlock(&codec->spdif_mutex);
2510}
2698ea98 2511EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_assign);
74b654c9 2512
9a08160b
TI		 2513/*
2514 * SPDIF sharing with analog output
2515 */
2516static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
2517 struct snd_ctl_elem_value *ucontrol)
2518{
2519 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2520 ucontrol->value.integer.value[0] = mout->share_spdif;
2521 return 0;
2522}
2523
2524static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
2525 struct snd_ctl_elem_value *ucontrol)
2526{
2527 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2528 mout->share_spdif = !!ucontrol->value.integer.value[0];
2529 return 0;
2530}
2531
f3b827e0 2532static const struct snd_kcontrol_new spdif_share_sw = {
9a08160b
TI		 2533 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2534 .name = "IEC958 Default PCM Playback Switch",
2535 .info = snd_ctl_boolean_mono_info,
2536 .get = spdif_share_sw_get,
2537 .put = spdif_share_sw_put,
2538};
2539
d5191e50
TI		 2540/**
2541 * snd_hda_create_spdif_share_sw - create Default PCM switch
2542 * @codec: the HDA codec
2543 * @mout: multi-out instance
2544 */
9a08160b
TI		 2545int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
2546 struct hda_multi_out *mout)
2547{
4c7a548a
ML		 2548 struct snd_kcontrol *kctl;
2549
9a08160b
TI		 2550 if (!mout->dig_out_nid)
2551 return 0;
4c7a548a
ML		 2552
2553 kctl = snd_ctl_new1(&spdif_share_sw, mout);
2554 if (!kctl)
2555 return -ENOMEM;
9a08160b 2556 /* ATTENTION: here mout is passed as private_data, instead of codec */
4c7a548a 2557 return snd_hda_ctl_add(codec, mout->dig_out_nid, kctl);
9a08160b 2558}
2698ea98 2559EXPORT_SYMBOL_GPL(snd_hda_create_spdif_share_sw);
9a08160b 2560
1da177e4
LT		 2561/*
2562 * SPDIF input
2563 */
2564
2565#define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
2566
0ba21762
TI		 2567static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
2568 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2569{
2570 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2571
2572 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
2573 return 0;
2574}
2575
0ba21762
TI		 2576static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
2577 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2578{
2579 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2580 hda_nid_t nid = kcontrol->private_value;
2581 unsigned int val = !!ucontrol->value.integer.value[0];
2582 int change;
2583
62932df8 2584 mutex_lock(&codec->spdif_mutex);
1da177e4 2585 change = codec->spdif_in_enable != val;
82beb8fd 2586 if (change) {
1da177e4 2587 codec->spdif_in_enable = val;
a551d914
TI		 2588 snd_hdac_regmap_write(&codec->core, nid,
2589 AC_VERB_SET_DIGI_CONVERT_1, val);
1da177e4 2590 }
62932df8 2591 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2592 return change;
2593}
2594
0ba21762
TI		 2595static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
2596 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2597{
2598 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2599 hda_nid_t nid = kcontrol->private_value;
a551d914 2600 unsigned int val;
1da177e4
LT		 2601 unsigned int sbits;
2602
a551d914
TI		 2603 snd_hdac_regmap_read(&codec->core, nid,
2604 AC_VERB_GET_DIGI_CONVERT_1, &val);
1da177e4
LT		 2605 sbits = convert_to_spdif_status(val);
2606 ucontrol->value.iec958.status[0] = sbits;
2607 ucontrol->value.iec958.status[1] = sbits >> 8;
2608 ucontrol->value.iec958.status[2] = sbits >> 16;
2609 ucontrol->value.iec958.status[3] = sbits >> 24;
2610 return 0;
2611}
2612
c8b6bf9b 2613static struct snd_kcontrol_new dig_in_ctls[] = {
1da177e4
LT		 2614 {
2615 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
28aedaf7 2616 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, SWITCH),
1da177e4
LT		 2617 .info = snd_hda_spdif_in_switch_info,
2618 .get = snd_hda_spdif_in_switch_get,
2619 .put = snd_hda_spdif_in_switch_put,
2620 },
2621 {
2622 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2623 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
28aedaf7 2624 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
1da177e4
LT		 2625 .info = snd_hda_spdif_mask_info,
2626 .get = snd_hda_spdif_in_status_get,
2627 },
2628 { } /* end */
2629};
2630
2631/**
2632 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
2633 * @codec: the HDA codec
2634 * @nid: audio in widget NID
2635 *
2636 * Creates controls related with the SPDIF input.
2637 * Called from each patch supporting the SPDIF in.
2638 *
2639 * Returns 0 if successful, or a negative error code.
2640 */
12f288bf 2641int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
1da177e4
LT		 2642{
2643 int err;
c8b6bf9b
TI		 2644 struct snd_kcontrol *kctl;
2645 struct snd_kcontrol_new *dig_mix;
09f99701 2646 int idx;
1da177e4 2647
dcda5806 2648 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Capture Switch", 0);
1afe206a 2649 if (idx < 0) {
4e76a883 2650 codec_err(codec, "too many IEC958 inputs\n");
09f99701
TI		 2651 return -EBUSY;
2652 }
1da177e4
LT		 2653 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
2654 kctl = snd_ctl_new1(dig_mix, codec);
c8dcdf82
TI		 2655 if (!kctl)
2656 return -ENOMEM;
1da177e4 2657 kctl->private_value = nid;
3911a4c1 2658 err = snd_hda_ctl_add(codec, nid, kctl);
0ba21762 2659 if (err < 0)
1da177e4
LT		 2660 return err;
2661 }
0ba21762 2662 codec->spdif_in_enable =
3982d17e
AP		 2663 snd_hda_codec_read(codec, nid, 0,
2664 AC_VERB_GET_DIGI_CONVERT_1, 0) &
0ba21762 2665 AC_DIG1_ENABLE;
1da177e4
LT		 2666 return 0;
2667}
2698ea98 2668EXPORT_SYMBOL_GPL(snd_hda_create_spdif_in_ctls);
1da177e4 2669
95a962c3
TI		 2670/**
2671 * snd_hda_codec_set_power_to_all - Set the power state to all widgets
2672 * @codec: the HDA codec
2673 * @fg: function group (not used now)
2674 * @power_state: the power state to set (AC_PWRST_*)
2675 *
2676 * Set the given power state to all widgets that have the power control.
2677 * If the codec has power_filter set, it evaluates the power state and
2678 * filter out if it's unchanged as D3.
2679 */
4d7fbdbc 2680void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
9419ab6b 2681 unsigned int power_state)
54d17403 2682{
7639a06c 2683 hda_nid_t nid;
54d17403 2684
7639a06c 2685 for_each_hda_codec_node(nid, codec) {
7eba5c9d 2686 unsigned int wcaps = get_wcaps(codec, nid);
9419ab6b 2687 unsigned int state = power_state;
4d7fbdbc
TI		 2688 if (!(wcaps & AC_WCAP_POWER))
2689 continue;
9419ab6b
TI		 2690 if (codec->power_filter) {
2691 state = codec->power_filter(codec, nid, power_state);
2692 if (state != power_state && power_state == AC_PWRST_D3)
4d7fbdbc 2693 continue;
1194b5b7 2694 }
4d7fbdbc 2695 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
9419ab6b 2696 state);
54d17403 2697 }
cb53c626 2698}
2698ea98 2699EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_to_all);
4d7fbdbc 2700
432c641e
TI		 2701/*
2702 * wait until the state is reached, returns the current state
2703 */
2704static unsigned int hda_sync_power_state(struct hda_codec *codec,
2705 hda_nid_t fg,
2706 unsigned int power_state)
2707{
2708 unsigned long end_time = jiffies + msecs_to_jiffies(500);
2709 unsigned int state, actual_state;
2710
2711 for (;;) {
2712 state = snd_hda_codec_read(codec, fg, 0,
2713 AC_VERB_GET_POWER_STATE, 0);
2714 if (state & AC_PWRST_ERROR)
2715 break;
2716 actual_state = (state >> 4) & 0x0f;
2717 if (actual_state == power_state)
2718 break;
2719 if (time_after_eq(jiffies, end_time))
2720 break;
2721 /* wait until the codec reachs to the target state */
2722 msleep(1);
2723 }
2724 return state;
2725}
2726
95a962c3
TI		 2727/**
2728 * snd_hda_codec_eapd_power_filter - A power filter callback for EAPD
2729 * @codec: the HDA codec
2730 * @nid: widget NID
2731 * @power_state: power state to evalue
2732 *
2733 * Don't power down the widget if it controls eapd and EAPD_BTLENABLE is set.
2734 * This can be used a codec power_filter callback.
2735 */
ba615b86
TI		 2736unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
2737 hda_nid_t nid,
2738 unsigned int power_state)
9419ab6b 2739{
7639a06c 2740 if (nid == codec->core.afg || nid == codec->core.mfg)
dfc6e469 2741 return power_state;
9419ab6b
TI		 2742 if (power_state == AC_PWRST_D3 &&
2743 get_wcaps_type(get_wcaps(codec, nid)) == AC_WID_PIN &&
2744 (snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_EAPD)) {
2745 int eapd = snd_hda_codec_read(codec, nid, 0,
2746 AC_VERB_GET_EAPD_BTLENABLE, 0);
2747 if (eapd & 0x02)
2748 return AC_PWRST_D0;
2749 }
2750 return power_state;
2751}
2698ea98 2752EXPORT_SYMBOL_GPL(snd_hda_codec_eapd_power_filter);
9419ab6b 2753
4d7fbdbc 2754/*
08fa20ae 2755 * set power state of the codec, and return the power state
4d7fbdbc 2756 */
d819387e 2757static unsigned int hda_set_power_state(struct hda_codec *codec,
08fa20ae 2758 unsigned int power_state)
4d7fbdbc 2759{
7639a06c 2760 hda_nid_t fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
09617ce4
WX		 2761 int count;
2762 unsigned int state;
63e51fd7 2763 int flags = 0;
09617ce4 2764
4d7fbdbc 2765 /* this delay seems necessary to avoid click noise at power-down */
0f4ccbb0 2766 if (power_state == AC_PWRST_D3) {
7f132927 2767 if (codec->depop_delay < 0)
7639a06c 2768 msleep(codec_has_epss(codec) ? 10 : 100);
7f132927
ML		 2769 else if (codec->depop_delay > 0)
2770 msleep(codec->depop_delay);
63e51fd7 2771 flags = HDA_RW_NO_RESPONSE_FALLBACK;
0f4ccbb0 2772 }
09617ce4
WX		 2773
2774 /* repeat power states setting at most 10 times*/
2775 for (count = 0; count < 10; count++) {
432c641e
TI		 2776 if (codec->patch_ops.set_power_state)
2777 codec->patch_ops.set_power_state(codec, fg,
2778 power_state);
2779 else {
dfc6e469
TI		 2780 state = power_state;
2781 if (codec->power_filter)
2782 state = codec->power_filter(codec, fg, state);
2783 if (state == power_state || power_state != AC_PWRST_D3)
2784 snd_hda_codec_read(codec, fg, flags,
2785 AC_VERB_SET_POWER_STATE,
2786 state);
9419ab6b 2787 snd_hda_codec_set_power_to_all(codec, fg, power_state);
432c641e
TI		 2788 }
2789 state = hda_sync_power_state(codec, fg, power_state);
09617ce4
WX		 2790 if (!(state & AC_PWRST_ERROR))
2791 break;
2792 }
b8dfc462 2793
08fa20ae 2794 return state;
4d7fbdbc 2795}
cb53c626 2796
b9c590bb
TI		 2797/* sync power states of all widgets;
2798 * this is called at the end of codec parsing
2799 */
2800static void sync_power_up_states(struct hda_codec *codec)
2801{
7639a06c 2802 hda_nid_t nid;
b9c590bb 2803
ba615b86
TI		 2804 /* don't care if no filter is used */
2805 if (!codec->power_filter)
b9c590bb
TI		 2806 return;
2807
7639a06c 2808 for_each_hda_codec_node(nid, codec) {
b9c590bb 2809 unsigned int wcaps = get_wcaps(codec, nid);
9040d102 2810 unsigned int target;
b9c590bb
TI		 2811 if (!(wcaps & AC_WCAP_POWER))
2812 continue;
2813 target = codec->power_filter(codec, nid, AC_PWRST_D0);
2814 if (target == AC_PWRST_D0)
2815 continue;
9040d102 2816 if (!snd_hda_check_power_state(codec, nid, target))
b9c590bb
TI		 2817 snd_hda_codec_write(codec, nid, 0,
2818 AC_VERB_SET_POWER_STATE, target);
2819 }
2820}
2821
648a8d27 2822#ifdef CONFIG_SND_HDA_RECONFIG
11aeff08
TI		 2823/* execute additional init verbs */
2824static void hda_exec_init_verbs(struct hda_codec *codec)
2825{
2826 if (codec->init_verbs.list)
2827 snd_hda_sequence_write(codec, codec->init_verbs.list);
2828}
2829#else
2830static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
2831#endif
2832
2a43952a 2833#ifdef CONFIG_PM
cc72da7d
TI		 2834/* update the power on/off account with the current jiffies */
2835static void update_power_acct(struct hda_codec *codec, bool on)
2836{
2837 unsigned long delta = jiffies - codec->power_jiffies;
2838
2839 if (on)
2840 codec->power_on_acct += delta;
2841 else
2842 codec->power_off_acct += delta;
2843 codec->power_jiffies += delta;
2844}
2845
2846void snd_hda_update_power_acct(struct hda_codec *codec)
2847{
2848 update_power_acct(codec, hda_codec_is_power_on(codec));
2849}
2850
cb53c626
TI		 2851/*
2852 * call suspend and power-down; used both from PM and power-save
08fa20ae 2853 * this function returns the power state in the end
cb53c626 2854 */
cc72da7d 2855static unsigned int hda_call_codec_suspend(struct hda_codec *codec)
cb53c626 2856{
08fa20ae
TI		 2857 unsigned int state;
2858
7639a06c 2859 atomic_inc(&codec->core.in_pm);
989c3187 2860
cb53c626 2861 if (codec->patch_ops.suspend)
68cb2b55 2862 codec->patch_ops.suspend(codec);
eb541337 2863 hda_cleanup_all_streams(codec);
d819387e 2864 state = hda_set_power_state(codec, AC_PWRST_D3);
cc72da7d 2865 update_power_acct(codec, true);
7639a06c 2866 atomic_dec(&codec->core.in_pm);
08fa20ae 2867 return state;
54d17403
TI		 2868}
2869
cb53c626
TI		 2870/*
2871 * kick up codec; used both from PM and power-save
2872 */
2873static void hda_call_codec_resume(struct hda_codec *codec)
2874{
7639a06c 2875 atomic_inc(&codec->core.in_pm);
989c3187 2876
eeecd9d1
TI		 2877 if (codec->core.regmap)
2878 regcache_mark_dirty(codec->core.regmap);
2879
cc72da7d 2880 codec->power_jiffies = jiffies;
cc72da7d 2881
d819387e 2882 hda_set_power_state(codec, AC_PWRST_D0);
ac0547dc 2883 restore_shutup_pins(codec);
11aeff08 2884 hda_exec_init_verbs(codec);
31614bb8 2885 snd_hda_jack_set_dirty_all(codec);
cb53c626
TI		 2886 if (codec->patch_ops.resume)
2887 codec->patch_ops.resume(codec);
2888 else {
9d99f312
TI		 2889 if (codec->patch_ops.init)
2890 codec->patch_ops.init(codec);
eeecd9d1
TI		 2891 if (codec->core.regmap)
2892 regcache_sync(codec->core.regmap);
cb53c626 2893 }
26a6cb6c
DH		 2894
2895 if (codec->jackpoll_interval)
2896 hda_jackpoll_work(&codec->jackpoll_work.work);
31614bb8 2897 else
26a6cb6c 2898 snd_hda_jack_report_sync(codec);
7639a06c 2899 atomic_dec(&codec->core.in_pm);
cb53c626 2900}
59ed1ead 2901
cc72da7d 2902static int hda_codec_runtime_suspend(struct device *dev)
59ed1ead
TI		 2903{
2904 struct hda_codec *codec = dev_to_hda_codec(dev);
bbbc7e85 2905 struct hda_pcm *pcm;
cc72da7d 2906 unsigned int state;
59ed1ead
TI		 2907
2908 cancel_delayed_work_sync(&codec->jackpoll_work);
bbbc7e85
TI		 2909 list_for_each_entry(pcm, &codec->pcm_list_head, list)
2910 snd_pcm_suspend_all(pcm->pcm);
cc72da7d 2911 state = hda_call_codec_suspend(codec);
7639a06c
TI		 2912 if (codec_has_clkstop(codec) && codec_has_epss(codec) &&
2913 (state & AC_PWRST_CLK_STOP_OK))
2914 snd_hdac_codec_link_down(&codec->core);
a5e7e07c 2915 snd_hdac_link_power(&codec->core, false);
59ed1ead
TI		 2916 return 0;
2917}
2918
cc72da7d 2919static int hda_codec_runtime_resume(struct device *dev)
59ed1ead 2920{
55ed9cd1
TI		 2921 struct hda_codec *codec = dev_to_hda_codec(dev);
2922
a5e7e07c 2923 snd_hdac_link_power(&codec->core, true);
7639a06c 2924 snd_hdac_codec_link_up(&codec->core);
55ed9cd1 2925 hda_call_codec_resume(codec);
cc72da7d 2926 pm_runtime_mark_last_busy(dev);
59ed1ead
TI		 2927 return 0;
2928}
2a43952a 2929#endif /* CONFIG_PM */
cb53c626 2930
59ed1ead
TI		 2931/* referred in hda_bind.c */
2932const struct dev_pm_ops hda_codec_driver_pm = {
cc72da7d
TI		 2933 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
2934 pm_runtime_force_resume)
2935 SET_RUNTIME_PM_OPS(hda_codec_runtime_suspend, hda_codec_runtime_resume,
2936 NULL)
59ed1ead 2937};
54d17403 2938
9c9a5175
TI		 2939/*
2940 * add standard channel maps if not specified
2941 */
2942static int add_std_chmaps(struct hda_codec *codec)
2943{
bbbc7e85
TI		 2944 struct hda_pcm *pcm;
2945 int str, err;
9c9a5175 2946
bbbc7e85 2947 list_for_each_entry(pcm, &codec->pcm_list_head, list) {
9c9a5175 2948 for (str = 0; str < 2; str++) {
bbbc7e85 2949 struct hda_pcm_stream *hinfo = &pcm->stream[str];
9c9a5175 2950 struct snd_pcm_chmap *chmap;
ee81abb6 2951 const struct snd_pcm_chmap_elem *elem;
9c9a5175 2952
b25cf30a 2953 if (!pcm->pcm || pcm->own_chmap || !hinfo->substreams)
9c9a5175 2954 continue;
ee81abb6 2955 elem = hinfo->chmap ? hinfo->chmap : snd_pcm_std_chmaps;
bbbc7e85 2956 err = snd_pcm_add_chmap_ctls(pcm->pcm, str, elem,
9c9a5175
TI		 2957 hinfo->channels_max,
2958 0, &chmap);
2959 if (err < 0)
2960 return err;
2961 chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
2962 }
2963 }
2964 return 0;
2965}
2966
ee81abb6
TI		 2967/* default channel maps for 2.1 speakers;
2968 * since HD-audio supports only stereo, odd number channels are omitted
2969 */
2970const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[] = {
2971 { .channels = 2,
2972 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
2973 { .channels = 4,
2974 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR,
2975 SNDRV_CHMAP_LFE, SNDRV_CHMAP_LFE } },
2976 { }
2977};
2978EXPORT_SYMBOL_GPL(snd_pcm_2_1_chmaps);
2979
6c1f45ea
TI		 2980int snd_hda_codec_build_controls(struct hda_codec *codec)
2981{
2982 int err = 0;
11aeff08 2983 hda_exec_init_verbs(codec);
6c1f45ea
TI		 2984 /* continue to initialize... */
2985 if (codec->patch_ops.init)
2986 err = codec->patch_ops.init(codec);
2987 if (!err && codec->patch_ops.build_controls)
2988 err = codec->patch_ops.build_controls(codec);
6c1f45ea
TI		 2989 if (err < 0)
2990 return err;
9c9a5175
TI		 2991
2992 /* we create chmaps here instead of build_pcms */
2993 err = add_std_chmaps(codec);
2994 if (err < 0)
2995 return err;
2996
26a6cb6c
DH		 2997 if (codec->jackpoll_interval)
2998 hda_jackpoll_work(&codec->jackpoll_work.work);
2999 else
3000 snd_hda_jack_report_sync(codec); /* call at the last init point */
b9c590bb 3001 sync_power_up_states(codec);
1da177e4
LT		 3002 return 0;
3003}
3004
1da177e4
LT		 3005/*
3006 * PCM stuff
3007 */
3008static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
3009 struct hda_codec *codec,
c8b6bf9b 3010 struct snd_pcm_substream *substream)
1da177e4
LT		 3011{
3012 return 0;
3013}
3014
3015static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
3016 struct hda_codec *codec,
3017 unsigned int stream_tag,
3018 unsigned int format,
c8b6bf9b 3019 struct snd_pcm_substream *substream)
1da177e4
LT		 3020{
3021 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
3022 return 0;
3023}
3024
3025static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
3026 struct hda_codec *codec,
c8b6bf9b 3027 struct snd_pcm_substream *substream)
1da177e4 3028{
888afa15 3029 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
1da177e4
LT		 3030 return 0;
3031}
3032
6c1f45ea
TI		 3033static int set_pcm_default_values(struct hda_codec *codec,
3034 struct hda_pcm_stream *info)
1da177e4 3035{
ee504710
JK		 3036 int err;
3037
0ba21762
TI		 3038 /* query support PCM information from the given NID */
3039 if (info->nid && (!info->rates || !info->formats)) {
ee504710 3040 err = snd_hda_query_supported_pcm(codec, info->nid,
0ba21762
TI		 3041 info->rates ? NULL : &info->rates,
3042 info->formats ? NULL : &info->formats,
3043 info->maxbps ? NULL : &info->maxbps);
ee504710
JK		 3044 if (err < 0)
3045 return err;
1da177e4
LT		 3046 }
3047 if (info->ops.open == NULL)
3048 info->ops.open = hda_pcm_default_open_close;
3049 if (info->ops.close == NULL)
3050 info->ops.close = hda_pcm_default_open_close;
3051 if (info->ops.prepare == NULL) {
da3cec35
TI		 3052 if (snd_BUG_ON(!info->nid))
3053 return -EINVAL;
1da177e4
LT		 3054 info->ops.prepare = hda_pcm_default_prepare;
3055 }
1da177e4 3056 if (info->ops.cleanup == NULL) {
da3cec35
TI		 3057 if (snd_BUG_ON(!info->nid))
3058 return -EINVAL;
1da177e4
LT		 3059 info->ops.cleanup = hda_pcm_default_cleanup;
3060 }
3061 return 0;
3062}
3063
eb541337
TI		 3064/*
3065 * codec prepare/cleanup entries
3066 */
95a962c3
TI		 3067/**
3068 * snd_hda_codec_prepare - Prepare a stream
3069 * @codec: the HDA codec
3070 * @hinfo: PCM information
3071 * @stream: stream tag to assign
3072 * @format: format id to assign
3073 * @substream: PCM substream to assign
3074 *
3075 * Calls the prepare callback set by the codec with the given arguments.
3076 * Clean up the inactive streams when successful.
3077 */
eb541337
TI		 3078int snd_hda_codec_prepare(struct hda_codec *codec,
3079 struct hda_pcm_stream *hinfo,
3080 unsigned int stream,
3081 unsigned int format,
3082 struct snd_pcm_substream *substream)
3083{
3084 int ret;
3f50ac6a 3085 mutex_lock(&codec->bus->prepare_mutex);
61ca4107
TI		 3086 if (hinfo->ops.prepare)
3087 ret = hinfo->ops.prepare(hinfo, codec, stream, format,
3088 substream);
3089 else
3090 ret = -ENODEV;
eb541337
TI		 3091 if (ret >= 0)
3092 purify_inactive_streams(codec);
3f50ac6a 3093 mutex_unlock(&codec->bus->prepare_mutex);
eb541337
TI		 3094 return ret;
3095}
2698ea98 3096EXPORT_SYMBOL_GPL(snd_hda_codec_prepare);
eb541337 3097
95a962c3
TI		 3098/**
3099 * snd_hda_codec_cleanup - Prepare a stream
3100 * @codec: the HDA codec
3101 * @hinfo: PCM information
3102 * @substream: PCM substream
3103 *
3104 * Calls the cleanup callback set by the codec with the given arguments.
3105 */
eb541337
TI		 3106void snd_hda_codec_cleanup(struct hda_codec *codec,
3107 struct hda_pcm_stream *hinfo,
3108 struct snd_pcm_substream *substream)
3109{
3f50ac6a 3110 mutex_lock(&codec->bus->prepare_mutex);
61ca4107
TI		 3111 if (hinfo->ops.cleanup)
3112 hinfo->ops.cleanup(hinfo, codec, substream);
3f50ac6a 3113 mutex_unlock(&codec->bus->prepare_mutex);
eb541337 3114}
2698ea98 3115EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup);
eb541337 3116
d5191e50 3117/* global */
e3303235
JK		 3118const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = {
3119 "Audio", "SPDIF", "HDMI", "Modem"
3120};
3121
529bd6c4
TI		 3122/*
3123 * get the empty PCM device number to assign
3124 */
36bb00d4 3125static int get_empty_pcm_device(struct hda_bus *bus, unsigned int type)
529bd6c4 3126{
f5d6def5 3127 /* audio device indices; not linear to keep compatibility */
36bb00d4
TI		 3128 /* assigned to static slots up to dev#10; if more needed, assign
3129 * the later slot dynamically (when CONFIG_SND_DYNAMIC_MINORS=y)
3130 */
f5d6def5
WF		 3131 static int audio_idx[HDA_PCM_NTYPES][5] = {
3132 [HDA_PCM_TYPE_AUDIO] = { 0, 2, 4, 5, -1 },
3133 [HDA_PCM_TYPE_SPDIF] = { 1, -1 },
92608bad 3134 [HDA_PCM_TYPE_HDMI] = { 3, 7, 8, 9, -1 },
f5d6def5 3135 [HDA_PCM_TYPE_MODEM] = { 6, -1 },
529bd6c4 3136 };
f5d6def5
WF		 3137 int i;
3138
3139 if (type >= HDA_PCM_NTYPES) {
4e76a883 3140 dev_err(bus->card->dev, "Invalid PCM type %d\n", type);
529bd6c4
TI		 3141 return -EINVAL;
3142 }
f5d6def5 3143
36bb00d4
TI		 3144 for (i = 0; audio_idx[type][i] >= 0; i++) {
3145#ifndef CONFIG_SND_DYNAMIC_MINORS
3146 if (audio_idx[type][i] >= 8)
3147 break;
3148#endif
f5d6def5
WF		 3149 if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits))
3150 return audio_idx[type][i];
36bb00d4 3151 }
f5d6def5 3152
36bb00d4 3153#ifdef CONFIG_SND_DYNAMIC_MINORS
01b65bfb
TI		 3154 /* non-fixed slots starting from 10 */
3155 for (i = 10; i < 32; i++) {
3156 if (!test_and_set_bit(i, bus->pcm_dev_bits))
3157 return i;
3158 }
36bb00d4 3159#endif
01b65bfb 3160
4e76a883 3161 dev_warn(bus->card->dev, "Too many %s devices\n",
28aedaf7 3162 snd_hda_pcm_type_name[type]);
36bb00d4 3163#ifndef CONFIG_SND_DYNAMIC_MINORS
4e76a883
TI		 3164 dev_warn(bus->card->dev,
3165 "Consider building the kernel with CONFIG_SND_DYNAMIC_MINORS=y\n");
36bb00d4 3166#endif
f5d6def5 3167 return -EAGAIN;
529bd6c4
TI		 3168}
3169
1a4ba30c
TI		 3170/* call build_pcms ops of the given codec and set up the default parameters */
3171int snd_hda_codec_parse_pcms(struct hda_codec *codec)
176d5335 3172{
bbbc7e85 3173 struct hda_pcm *cpcm;
1a4ba30c 3174 int err;
176d5335 3175
bbbc7e85 3176 if (!list_empty(&codec->pcm_list_head))
1a4ba30c
TI		 3177 return 0; /* already parsed */
3178
3179 if (!codec->patch_ops.build_pcms)
3180 return 0;
3181
3182 err = codec->patch_ops.build_pcms(codec);
3183 if (err < 0) {
3184 codec_err(codec, "cannot build PCMs for #%d (error %d)\n",
d068ebc2 3185 codec->core.addr, err);
1a4ba30c
TI		 3186 return err;
3187 }
3188
bbbc7e85 3189 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
1a4ba30c
TI		 3190 int stream;
3191
3192 for (stream = 0; stream < 2; stream++) {
3193 struct hda_pcm_stream *info = &cpcm->stream[stream];
3194
3195 if (!info->substreams)
3196 continue;
176d5335 3197 err = set_pcm_default_values(codec, info);
1a4ba30c
TI		 3198 if (err < 0) {
3199 codec_warn(codec,
3200 "fail to setup default for PCM %s\n",
3201 cpcm->name);
176d5335 3202 return err;
1a4ba30c 3203 }
176d5335
TI		 3204 }
3205 }
1a4ba30c
TI		 3206
3207 return 0;
176d5335
TI		 3208}
3209
529bd6c4
TI		 3210/* assign all PCMs of the given codec */
3211int snd_hda_codec_build_pcms(struct hda_codec *codec)
3212{
1a4ba30c 3213 struct hda_bus *bus = codec->bus;
bbbc7e85 3214 struct hda_pcm *cpcm;
1a4ba30c 3215 int dev, err;
529bd6c4 3216
1a4ba30c 3217 err = snd_hda_codec_parse_pcms(codec);
d289619a 3218 if (err < 0)
1a4ba30c 3219 return err;
1a4ba30c
TI		 3220
3221 /* attach a new PCM streams */
bbbc7e85 3222 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
1a4ba30c
TI		 3223 if (cpcm->pcm)
3224 continue; /* already attached */
529bd6c4 3225 if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
41b5b01a 3226 continue; /* no substreams assigned */
529bd6c4 3227
1a4ba30c 3228 dev = get_empty_pcm_device(bus, cpcm->pcm_type);
1f7f51a6
WY		 3229 if (dev < 0) {
3230 cpcm->device = SNDRV_PCM_INVALID_DEVICE;
1a4ba30c 3231 continue; /* no fatal error */
1f7f51a6 3232 }
1a4ba30c 3233 cpcm->device = dev;
0a50575b 3234 err = snd_hda_attach_pcm_stream(bus, codec, cpcm);
1a4ba30c
TI		 3235 if (err < 0) {
3236 codec_err(codec,
3237 "cannot attach PCM stream %d for codec #%d\n",
d068ebc2 3238 dev, codec->core.addr);
1a4ba30c 3239 continue; /* no fatal error */
529bd6c4
TI		 3240 }
3241 }
1a4ba30c 3242
529bd6c4
TI		 3243 return 0;
3244}
3245
1da177e4
LT		 3246/**
3247 * snd_hda_add_new_ctls - create controls from the array
3248 * @codec: the HDA codec
c8b6bf9b 3249 * @knew: the array of struct snd_kcontrol_new
1da177e4
LT		 3250 *
3251 * This helper function creates and add new controls in the given array.
3252 * The array must be terminated with an empty entry as terminator.
3253 *
3254 * Returns 0 if successful, or a negative error code.
3255 */
031024ee
TI		 3256int snd_hda_add_new_ctls(struct hda_codec *codec,
3257 const struct snd_kcontrol_new *knew)
1da177e4 3258{
4d02d1b6 3259 int err;
1da177e4
LT		 3260
3261 for (; knew->name; knew++) {
54d17403 3262 struct snd_kcontrol *kctl;
1afe206a 3263 int addr = 0, idx = 0;
5b0cb1d8
JK		 3264 if (knew->iface == -1) /* skip this codec private value */
3265 continue;
1afe206a 3266 for (;;) {
54d17403 3267 kctl = snd_ctl_new1(knew, codec);
0ba21762 3268 if (!kctl)
54d17403 3269 return -ENOMEM;
1afe206a
TI		 3270 if (addr > 0)
3271 kctl->id.device = addr;
3272 if (idx > 0)
3273 kctl->id.index = idx;
3911a4c1 3274 err = snd_hda_ctl_add(codec, 0, kctl);
1afe206a
TI		 3275 if (!err)
3276 break;
3277 /* try first with another device index corresponding to
3278 * the codec addr; if it still fails (or it's the
3279 * primary codec), then try another control index
3280 */
d068ebc2
TI		 3281 if (!addr && codec->core.addr)
3282 addr = codec->core.addr;
1afe206a
TI		 3283 else if (!idx && !knew->index) {
3284 idx = find_empty_mixer_ctl_idx(codec,
dcda5806 3285 knew->name, 0);
1afe206a
TI		 3286 if (idx <= 0)
3287 return err;
3288 } else
54d17403
TI		 3289 return err;
3290 }
1da177e4
LT		 3291 }
3292 return 0;
3293}
2698ea98 3294EXPORT_SYMBOL_GPL(snd_hda_add_new_ctls);
1da177e4 3295
83012a7c 3296#ifdef CONFIG_PM
bb573928 3297static void codec_set_power_save(struct hda_codec *codec, int delay)
cb53c626 3298{
cc72da7d 3299 struct device *dev = hda_codec_dev(codec);
cc72da7d 3300
2377c3c3
LH		 3301 if (delay == 0 && codec->auto_runtime_pm)
3302 delay = 3000;
3303
cc72da7d
TI		 3304 if (delay > 0) {
3305 pm_runtime_set_autosuspend_delay(dev, delay);
3306 pm_runtime_use_autosuspend(dev);
3307 pm_runtime_allow(dev);
3308 if (!pm_runtime_suspended(dev))
3309 pm_runtime_mark_last_busy(dev);
3310 } else {
3311 pm_runtime_dont_use_autosuspend(dev);
3312 pm_runtime_forbid(dev);
3313 }
cb53c626 3314}
bb573928
TI		 3315
3316/**
3317 * snd_hda_set_power_save - reprogram autosuspend for the given delay
3318 * @bus: HD-audio bus
3319 * @delay: autosuspend delay in msec, 0 = off
3320 *
3321 * Synchronize the runtime PM autosuspend state from the power_save option.
3322 */
3323void snd_hda_set_power_save(struct hda_bus *bus, int delay)
3324{
3325 struct hda_codec *c;
3326
d068ebc2 3327 list_for_each_codec(c, bus)
bb573928
TI		 3328 codec_set_power_save(c, delay);
3329}
3330EXPORT_SYMBOL_GPL(snd_hda_set_power_save);
cb53c626 3331
d5191e50
TI		 3332/**
3333 * snd_hda_check_amp_list_power - Check the amp list and update the power
3334 * @codec: HD-audio codec
3335 * @check: the object containing an AMP list and the status
3336 * @nid: NID to check / update
3337 *
3338 * Check whether the given NID is in the amp list. If it's in the list,
3339 * check the current AMP status, and update the the power-status according
3340 * to the mute status.
3341 *
3342 * This function is supposed to be set or called from the check_power_status
3343 * patch ops.
28aedaf7 3344 */
cb53c626
TI		 3345int snd_hda_check_amp_list_power(struct hda_codec *codec,
3346 struct hda_loopback_check *check,
3347 hda_nid_t nid)
3348{
031024ee 3349 const struct hda_amp_list *p;
cb53c626
TI		 3350 int ch, v;
3351
3352 if (!check->amplist)
3353 return 0;
3354 for (p = check->amplist; p->nid; p++) {
3355 if (p->nid == nid)
3356 break;
3357 }
3358 if (!p->nid)
3359 return 0; /* nothing changed */
3360
3361 for (p = check->amplist; p->nid; p++) {
3362 for (ch = 0; ch < 2; ch++) {
3363 v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
3364 p->idx);
3365 if (!(v & HDA_AMP_MUTE) && v > 0) {
3366 if (!check->power_on) {
3367 check->power_on = 1;
664c7155 3368 snd_hda_power_up_pm(codec);
cb53c626
TI		 3369 }
3370 return 1;
3371 }
3372 }
3373 }
3374 if (check->power_on) {
3375 check->power_on = 0;
664c7155 3376 snd_hda_power_down_pm(codec);
cb53c626
TI		 3377 }
3378 return 0;
3379}
2698ea98 3380EXPORT_SYMBOL_GPL(snd_hda_check_amp_list_power);
cb53c626 3381#endif
1da177e4
LT		 3382
3383/*
3384 * input MUX helper
3385 */
d5191e50
TI		 3386
3387/**
3388 * snd_hda_input_mux_info_info - Info callback helper for the input-mux enum
a11e9b16
TI		 3389 * @imux: imux helper object
3390 * @uinfo: pointer to get/store the data
d5191e50 3391 */
0ba21762
TI		 3392int snd_hda_input_mux_info(const struct hda_input_mux *imux,
3393 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 3394{
3395 unsigned int index;
3396
3397 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
3398 uinfo->count = 1;
3399 uinfo->value.enumerated.items = imux->num_items;
5513b0c5
TI		 3400 if (!imux->num_items)
3401 return 0;
1da177e4
LT		 3402 index = uinfo->value.enumerated.item;
3403 if (index >= imux->num_items)
3404 index = imux->num_items - 1;
3405 strcpy(uinfo->value.enumerated.name, imux->items[index].label);
3406 return 0;
3407}
2698ea98 3408EXPORT_SYMBOL_GPL(snd_hda_input_mux_info);
1da177e4 3409
d5191e50
TI		 3410/**
3411 * snd_hda_input_mux_info_put - Put callback helper for the input-mux enum
a11e9b16
TI		 3412 * @codec: the HDA codec
3413 * @imux: imux helper object
3414 * @ucontrol: pointer to get/store the data
3415 * @nid: input mux NID
3416 * @cur_val: pointer to get/store the current imux value
d5191e50 3417 */
0ba21762
TI		 3418int snd_hda_input_mux_put(struct hda_codec *codec,
3419 const struct hda_input_mux *imux,
3420 struct snd_ctl_elem_value *ucontrol,
3421 hda_nid_t nid,
1da177e4
LT		 3422 unsigned int *cur_val)
3423{
3424 unsigned int idx;
3425
5513b0c5
TI		 3426 if (!imux->num_items)
3427 return 0;
1da177e4
LT		 3428 idx = ucontrol->value.enumerated.item[0];
3429 if (idx >= imux->num_items)
3430 idx = imux->num_items - 1;
82beb8fd 3431 if (*cur_val == idx)
1da177e4 3432 return 0;
82beb8fd
TI		 3433 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
3434 imux->items[idx].index);
1da177e4
LT		 3435 *cur_val = idx;
3436 return 1;
3437}
2698ea98 3438EXPORT_SYMBOL_GPL(snd_hda_input_mux_put);
1da177e4
LT		 3439
3440
a11e9b16
TI		 3441/**
3442 * snd_hda_enum_helper_info - Helper for simple enum ctls
3443 * @kcontrol: ctl element
3444 * @uinfo: pointer to get/store the data
3445 * @num_items: number of enum items
3446 * @texts: enum item string array
3447 *
dda415d4
TI		 3448 * process kcontrol info callback of a simple string enum array
3449 * when @num_items is 0 or @texts is NULL, assume a boolean enum array
3450 */
3451int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
3452 struct snd_ctl_elem_info *uinfo,
3453 int num_items, const char * const *texts)
3454{
3455 static const char * const texts_default[] = {
3456 "Disabled", "Enabled"
3457 };
3458
3459 if (!texts || !num_items) {
3460 num_items = 2;
3461 texts = texts_default;
3462 }
3463
3ff72219 3464 return snd_ctl_enum_info(uinfo, 1, num_items, texts);
dda415d4 3465}
2698ea98 3466EXPORT_SYMBOL_GPL(snd_hda_enum_helper_info);
dda415d4 3467
1da177e4
LT		 3468/*
3469 * Multi-channel / digital-out PCM helper functions
3470 */
3471
6b97eb45
TI		 3472/* setup SPDIF output stream */
3473static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
3474 unsigned int stream_tag, unsigned int format)
3475{
3bef1c37
LD		 3476 struct hda_spdif_out *spdif;
3477 unsigned int curr_fmt;
3478 bool reset;
3479
3480 spdif = snd_hda_spdif_out_of_nid(codec, nid);
960a581e
LY		 3481 /* Add sanity check to pass klockwork check.
3482 * This should never happen.
3483 */
3484 if (WARN_ON(spdif == NULL))
3485 return;
3486
3bef1c37
LD		 3487 curr_fmt = snd_hda_codec_read(codec, nid, 0,
3488 AC_VERB_GET_STREAM_FORMAT, 0);
3489 reset = codec->spdif_status_reset &&
3490 (spdif->ctls & AC_DIG1_ENABLE) &&
3491 curr_fmt != format;
3492
3493 /* turn off SPDIF if needed; otherwise the IEC958 bits won't be
3494 updated */
3495 if (reset)
28aedaf7 3496 set_dig_out_convert(codec, nid,
7c935976 3497 spdif->ctls & ~AC_DIG1_ENABLE & 0xff,
2f72853c 3498 -1);
6b97eb45 3499 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
2f72853c 3500 if (codec->slave_dig_outs) {
dda14410 3501 const hda_nid_t *d;
2f72853c
TI		 3502 for (d = codec->slave_dig_outs; *d; d++)
3503 snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
3504 format);
3505 }
6b97eb45 3506 /* turn on again (if needed) */
3bef1c37 3507 if (reset)
2f72853c 3508 set_dig_out_convert(codec, nid,
7c935976 3509 spdif->ctls & 0xff, -1);
2f72853c 3510}
de51ca12 3511
2f72853c
TI		 3512static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
3513{
3514 snd_hda_codec_cleanup_stream(codec, nid);
3515 if (codec->slave_dig_outs) {
dda14410 3516 const hda_nid_t *d;
2f72853c
TI		 3517 for (d = codec->slave_dig_outs; *d; d++)
3518 snd_hda_codec_cleanup_stream(codec, *d);
de51ca12 3519 }
6b97eb45
TI		 3520}
3521
d5191e50
TI		 3522/**
3523 * snd_hda_multi_out_dig_open - open the digital out in the exclusive mode
a11e9b16
TI		 3524 * @codec: the HDA codec
3525 * @mout: hda_multi_out object
1da177e4 3526 */
0ba21762
TI		 3527int snd_hda_multi_out_dig_open(struct hda_codec *codec,
3528 struct hda_multi_out *mout)
1da177e4 3529{
62932df8 3530 mutex_lock(&codec->spdif_mutex);
5930ca41
TI		 3531 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
3532 /* already opened as analog dup; reset it once */
2f72853c 3533 cleanup_dig_out_stream(codec, mout->dig_out_nid);
1da177e4 3534 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
62932df8 3535 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 3536 return 0;
3537}
2698ea98 3538EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_open);
1da177e4 3539
d5191e50
TI		 3540/**
3541 * snd_hda_multi_out_dig_prepare - prepare the digital out stream
a11e9b16
TI		 3542 * @codec: the HDA codec
3543 * @mout: hda_multi_out object
3544 * @stream_tag: stream tag to assign
3545 * @format: format id to assign
3546 * @substream: PCM substream to assign
d5191e50 3547 */
6b97eb45
TI		 3548int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
3549 struct hda_multi_out *mout,
3550 unsigned int stream_tag,
3551 unsigned int format,
3552 struct snd_pcm_substream *substream)
3553{
3554 mutex_lock(&codec->spdif_mutex);
3555 setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
3556 mutex_unlock(&codec->spdif_mutex);
3557 return 0;
3558}
2698ea98 3559EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_prepare);
6b97eb45 3560
d5191e50
TI		 3561/**
3562 * snd_hda_multi_out_dig_cleanup - clean-up the digital out stream
a11e9b16
TI		 3563 * @codec: the HDA codec
3564 * @mout: hda_multi_out object
d5191e50 3565 */
9411e21c
TI		 3566int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
3567 struct hda_multi_out *mout)
3568{
3569 mutex_lock(&codec->spdif_mutex);
3570 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3571 mutex_unlock(&codec->spdif_mutex);
3572 return 0;
3573}
2698ea98 3574EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_cleanup);
9411e21c 3575
d5191e50
TI		 3576/**
3577 * snd_hda_multi_out_dig_close - release the digital out stream
a11e9b16
TI		 3578 * @codec: the HDA codec
3579 * @mout: hda_multi_out object
1da177e4 3580 */
0ba21762
TI		 3581int snd_hda_multi_out_dig_close(struct hda_codec *codec,
3582 struct hda_multi_out *mout)
1da177e4 3583{
62932df8 3584 mutex_lock(&codec->spdif_mutex);
1da177e4 3585 mout->dig_out_used = 0;
62932df8 3586 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 3587 return 0;
3588}
2698ea98 3589EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_close);
1da177e4 3590
d5191e50
TI		 3591/**
3592 * snd_hda_multi_out_analog_open - open analog outputs
a11e9b16
TI		 3593 * @codec: the HDA codec
3594 * @mout: hda_multi_out object
3595 * @substream: PCM substream to assign
3596 * @hinfo: PCM information to assign
d5191e50
TI		 3597 *
3598 * Open analog outputs and set up the hw-constraints.
3599 * If the digital outputs can be opened as slave, open the digital
3600 * outputs, too.
1da177e4 3601 */
0ba21762
TI		 3602int snd_hda_multi_out_analog_open(struct hda_codec *codec,
3603 struct hda_multi_out *mout,
9a08160b
TI		 3604 struct snd_pcm_substream *substream,
3605 struct hda_pcm_stream *hinfo)
3606{
3607 struct snd_pcm_runtime *runtime = substream->runtime;
3608 runtime->hw.channels_max = mout->max_channels;
3609 if (mout->dig_out_nid) {
3610 if (!mout->analog_rates) {
3611 mout->analog_rates = hinfo->rates;
3612 mout->analog_formats = hinfo->formats;
3613 mout->analog_maxbps = hinfo->maxbps;
3614 } else {
3615 runtime->hw.rates = mout->analog_rates;
3616 runtime->hw.formats = mout->analog_formats;
3617 hinfo->maxbps = mout->analog_maxbps;
3618 }
3619 if (!mout->spdif_rates) {
3620 snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
3621 &mout->spdif_rates,
3622 &mout->spdif_formats,
3623 &mout->spdif_maxbps);
3624 }
3625 mutex_lock(&codec->spdif_mutex);
3626 if (mout->share_spdif) {
022b466f
TI		 3627 if ((runtime->hw.rates & mout->spdif_rates) &&
3628 (runtime->hw.formats & mout->spdif_formats)) {
3629 runtime->hw.rates &= mout->spdif_rates;
3630 runtime->hw.formats &= mout->spdif_formats;
3631 if (mout->spdif_maxbps < hinfo->maxbps)
3632 hinfo->maxbps = mout->spdif_maxbps;
3633 } else {
3634 mout->share_spdif = 0;
3635 /* FIXME: need notify? */
3636 }
9a08160b 3637 }
eaa9985b 3638 mutex_unlock(&codec->spdif_mutex);
9a08160b 3639 }
1da177e4
LT		 3640 return snd_pcm_hw_constraint_step(substream->runtime, 0,
3641 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
3642}
2698ea98 3643EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_open);
1da177e4 3644
d5191e50
TI		 3645/**
3646 * snd_hda_multi_out_analog_prepare - Preapre the analog outputs.
a11e9b16
TI		 3647 * @codec: the HDA codec
3648 * @mout: hda_multi_out object
3649 * @stream_tag: stream tag to assign
3650 * @format: format id to assign
3651 * @substream: PCM substream to assign
d5191e50
TI		 3652 *
3653 * Set up the i/o for analog out.
3654 * When the digital out is available, copy the front out to digital out, too.
1da177e4 3655 */
0ba21762
TI		 3656int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
3657 struct hda_multi_out *mout,
1da177e4
LT		 3658 unsigned int stream_tag,
3659 unsigned int format,
c8b6bf9b 3660 struct snd_pcm_substream *substream)
1da177e4 3661{
dda14410 3662 const hda_nid_t *nids = mout->dac_nids;
1da177e4 3663 int chs = substream->runtime->channels;
e3245cdd 3664 struct hda_spdif_out *spdif;
1da177e4
LT		 3665 int i;
3666
62932df8 3667 mutex_lock(&codec->spdif_mutex);
e3245cdd 3668 spdif = snd_hda_spdif_out_of_nid(codec, mout->dig_out_nid);
9a08160b
TI		 3669 if (mout->dig_out_nid && mout->share_spdif &&
3670 mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
960a581e 3671 if (chs == 2 && spdif != NULL &&
0ba21762
TI		 3672 snd_hda_is_supported_format(codec, mout->dig_out_nid,
3673 format) &&
7c935976 3674 !(spdif->status & IEC958_AES0_NONAUDIO)) {
1da177e4 3675 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
6b97eb45
TI		 3676 setup_dig_out_stream(codec, mout->dig_out_nid,
3677 stream_tag, format);
1da177e4
LT		 3678 } else {
3679 mout->dig_out_used = 0;
2f72853c 3680 cleanup_dig_out_stream(codec, mout->dig_out_nid);
1da177e4
LT		 3681 }
3682 }
62932df8 3683 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 3684
3685 /* front */
0ba21762
TI		 3686 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
3687 0, format);
d29240ce
TI		 3688 if (!mout->no_share_stream &&
3689 mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
1da177e4 3690 /* headphone out will just decode front left/right (stereo) */
0ba21762
TI		 3691 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
3692 0, format);
82bc955f 3693 /* extra outputs copied from front */
a06dbfc2
TI		 3694 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3695 if (!mout->no_share_stream && mout->hp_out_nid[i])
3696 snd_hda_codec_setup_stream(codec,
3697 mout->hp_out_nid[i],
3698 stream_tag, 0, format);
82bc955f 3699
1da177e4
LT		 3700 /* surrounds */
3701 for (i = 1; i < mout->num_dacs; i++) {
4b3acaf5 3702 if (chs >= (i + 1) * 2) /* independent out */
0ba21762
TI		 3703 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3704 i * 2, format);
d29240ce 3705 else if (!mout->no_share_stream) /* copy front */
0ba21762
TI		 3706 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3707 0, format);
1da177e4 3708 }
cd4035e8
DH		 3709
3710 /* extra surrounds */
3711 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) {
3712 int ch = 0;
3713 if (!mout->extra_out_nid[i])
3714 break;
3715 if (chs >= (i + 1) * 2)
3716 ch = i * 2;
3717 else if (!mout->no_share_stream)
3718 break;
3719 snd_hda_codec_setup_stream(codec, mout->extra_out_nid[i],
3720 stream_tag, ch, format);
3721 }
3722
1da177e4
LT		 3723 return 0;
3724}
2698ea98 3725EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_prepare);
1da177e4 3726
d5191e50
TI		 3727/**
3728 * snd_hda_multi_out_analog_cleanup - clean up the setting for analog out
a11e9b16
TI		 3729 * @codec: the HDA codec
3730 * @mout: hda_multi_out object
1da177e4 3731 */
0ba21762
TI		 3732int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
3733 struct hda_multi_out *mout)
1da177e4 3734{
dda14410 3735 const hda_nid_t *nids = mout->dac_nids;
1da177e4
LT		 3736 int i;
3737
3738 for (i = 0; i < mout->num_dacs; i++)
888afa15 3739 snd_hda_codec_cleanup_stream(codec, nids[i]);
1da177e4 3740 if (mout->hp_nid)
888afa15 3741 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
a06dbfc2
TI		 3742 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3743 if (mout->hp_out_nid[i])
3744 snd_hda_codec_cleanup_stream(codec,
3745 mout->hp_out_nid[i]);
82bc955f
TI		 3746 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
3747 if (mout->extra_out_nid[i])
888afa15
TI		 3748 snd_hda_codec_cleanup_stream(codec,
3749 mout->extra_out_nid[i]);
62932df8 3750 mutex_lock(&codec->spdif_mutex);
1da177e4 3751 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
2f72853c 3752 cleanup_dig_out_stream(codec, mout->dig_out_nid);
1da177e4
LT		 3753 mout->dig_out_used = 0;
3754 }
62932df8 3755 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 3756 return 0;
3757}
2698ea98 3758EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_cleanup);
1da177e4 3759
4740860b
TI		 3760/**
3761 * snd_hda_get_default_vref - Get the default (mic) VREF pin bits
a11e9b16
TI		 3762 * @codec: the HDA codec
3763 * @pin: referred pin NID
4740860b
TI		 3764 *
3765 * Guess the suitable VREF pin bits to be set as the pin-control value.
3766 * Note: the function doesn't set the AC_PINCTL_IN_EN bit.
3767 */
3768unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin)
3769{
3770 unsigned int pincap;
3771 unsigned int oldval;
3772 oldval = snd_hda_codec_read(codec, pin, 0,
3773 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
3774 pincap = snd_hda_query_pin_caps(codec, pin);
3775 pincap = (pincap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3776 /* Exception: if the default pin setup is vref50, we give it priority */
3777 if ((pincap & AC_PINCAP_VREF_80) && oldval != PIN_VREF50)
3778 return AC_PINCTL_VREF_80;
3779 else if (pincap & AC_PINCAP_VREF_50)
3780 return AC_PINCTL_VREF_50;
3781 else if (pincap & AC_PINCAP_VREF_100)
3782 return AC_PINCTL_VREF_100;
3783 else if (pincap & AC_PINCAP_VREF_GRD)
3784 return AC_PINCTL_VREF_GRD;
3785 return AC_PINCTL_VREF_HIZ;
3786}
2698ea98 3787EXPORT_SYMBOL_GPL(snd_hda_get_default_vref);
4740860b 3788
a11e9b16
TI		 3789/**
3790 * snd_hda_correct_pin_ctl - correct the pin ctl value for matching with the pin cap
3791 * @codec: the HDA codec
3792 * @pin: referred pin NID
3793 * @val: pin ctl value to audit
3794 */
62f3a2f7
TI		 3795unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
3796 hda_nid_t pin, unsigned int val)
3797{
3798 static unsigned int cap_lists[][2] = {
3799 { AC_PINCTL_VREF_100, AC_PINCAP_VREF_100 },
3800 { AC_PINCTL_VREF_80, AC_PINCAP_VREF_80 },
3801 { AC_PINCTL_VREF_50, AC_PINCAP_VREF_50 },
3802 { AC_PINCTL_VREF_GRD, AC_PINCAP_VREF_GRD },
3803 };
3804 unsigned int cap;
3805
3806 if (!val)
3807 return 0;
3808 cap = snd_hda_query_pin_caps(codec, pin);
3809 if (!cap)
3810 return val; /* don't know what to do... */
3811
3812 if (val & AC_PINCTL_OUT_EN) {
3813 if (!(cap & AC_PINCAP_OUT))
3814 val &= ~(AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN);
3815 else if ((val & AC_PINCTL_HP_EN) && !(cap & AC_PINCAP_HP_DRV))
3816 val &= ~AC_PINCTL_HP_EN;
3817 }
3818
3819 if (val & AC_PINCTL_IN_EN) {
3820 if (!(cap & AC_PINCAP_IN))
3821 val &= ~(AC_PINCTL_IN_EN | AC_PINCTL_VREFEN);
3822 else {
3823 unsigned int vcap, vref;
3824 int i;
3825 vcap = (cap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3826 vref = val & AC_PINCTL_VREFEN;
3827 for (i = 0; i < ARRAY_SIZE(cap_lists); i++) {
3828 if (vref == cap_lists[i][0] &&
3829 !(vcap & cap_lists[i][1])) {
3830 if (i == ARRAY_SIZE(cap_lists) - 1)
3831 vref = AC_PINCTL_VREF_HIZ;
3832 else
3833 vref = cap_lists[i + 1][0];
3834 }
3835 }
3836 val &= ~AC_PINCTL_VREFEN;
3837 val |= vref;
3838 }
3839 }
3840
3841 return val;
3842}
2698ea98 3843EXPORT_SYMBOL_GPL(snd_hda_correct_pin_ctl);
62f3a2f7 3844
a11e9b16
TI		 3845/**
3846 * _snd_hda_pin_ctl - Helper to set pin ctl value
3847 * @codec: the HDA codec
3848 * @pin: referred pin NID
3849 * @val: pin control value to set
3850 * @cached: access over codec pinctl cache or direct write
3851 *
3852 * This function is a helper to set a pin ctl value more safely.
3853 * It corrects the pin ctl value via snd_hda_correct_pin_ctl(), stores the
3854 * value in pin target array via snd_hda_codec_set_pin_target(), then
3855 * actually writes the value via either snd_hda_codec_update_cache() or
3856 * snd_hda_codec_write() depending on @cached flag.
3857 */
cdd03ced
TI		 3858int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
3859 unsigned int val, bool cached)
3860{
62f3a2f7 3861 val = snd_hda_correct_pin_ctl(codec, pin, val);
d7fdc00a 3862 snd_hda_codec_set_pin_target(codec, pin, val);
cdd03ced
TI		 3863 if (cached)
3864 return snd_hda_codec_update_cache(codec, pin, 0,
3865 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3866 else
3867 return snd_hda_codec_write(codec, pin, 0,
3868 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3869}
2698ea98 3870EXPORT_SYMBOL_GPL(_snd_hda_set_pin_ctl);
cdd03ced 3871
990061c2
TI		 3872/**
3873 * snd_hda_add_imux_item - Add an item to input_mux
a11e9b16
TI		 3874 * @codec: the HDA codec
3875 * @imux: imux helper object
3876 * @label: the name of imux item to assign
3877 * @index: index number of imux item to assign
3878 * @type_idx: pointer to store the resultant label index
990061c2
TI		 3879 *
3880 * When the same label is used already in the existing items, the number
3881 * suffix is appended to the label. This label index number is stored
3882 * to type_idx when non-NULL pointer is given.
3883 */
6194b99d
TI		 3884int snd_hda_add_imux_item(struct hda_codec *codec,
3885 struct hda_input_mux *imux, const char *label,
10a20af7
TI		 3886 int index, int *type_idx)
3887{
3888 int i, label_idx = 0;
3889 if (imux->num_items >= HDA_MAX_NUM_INPUTS) {
6194b99d 3890 codec_err(codec, "hda_codec: Too many imux items!\n");
10a20af7
TI		 3891 return -EINVAL;
3892 }
3893 for (i = 0; i < imux->num_items; i++) {
3894 if (!strncmp(label, imux->items[i].label, strlen(label)))
3895 label_idx++;
d7b1ae9d 3896 }
10a20af7
TI		 3897 if (type_idx)
3898 *type_idx = label_idx;
3899 if (label_idx > 0)
3900 snprintf(imux->items[imux->num_items].label,
3901 sizeof(imux->items[imux->num_items].label),
3902 "%s %d", label, label_idx);
b5786e85 3903 else
10a20af7
TI		 3904 strlcpy(imux->items[imux->num_items].label, label,
3905 sizeof(imux->items[imux->num_items].label));
3906 imux->items[imux->num_items].index = index;
3907 imux->num_items++;
3908 return 0;
d7b1ae9d 3909}
2698ea98 3910EXPORT_SYMBOL_GPL(snd_hda_add_imux_item);
d7b1ae9d 3911
1da177e4 3912/**
0a50575b 3913 * snd_hda_bus_reset_codecs - Reset the bus
59ed1ead 3914 * @bus: HD-audio bus
1da177e4 3915 */
0a50575b 3916void snd_hda_bus_reset_codecs(struct hda_bus *bus)
1da177e4 3917{
0ba21762 3918 struct hda_codec *codec;
1da177e4 3919
d068ebc2 3920 list_for_each_codec(codec, bus) {
59ed1ead 3921 /* FIXME: maybe a better way needed for forced reset */
26a6cb6c 3922 cancel_delayed_work_sync(&codec->jackpoll_work);
59ed1ead 3923#ifdef CONFIG_PM
0e24dbb7 3924 if (hda_codec_is_power_on(codec)) {
cc72da7d 3925 hda_call_codec_suspend(codec);
12edb893 3926 hda_call_codec_resume(codec);
59ed1ead
TI		 3927 }
3928#endif
1da177e4 3929 }
1da177e4 3930}
b2e18597 3931
d5191e50
TI		 3932/**
3933 * snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer
3934 * @pcm: PCM caps bits
3935 * @buf: the string buffer to write
3936 * @buflen: the max buffer length
3937 *
3938 * used by hda_proc.c and hda_eld.c
3939 */
b2022266
TI		 3940void snd_print_pcm_bits(int pcm, char *buf, int buflen)
3941{
3942 static unsigned int bits[] = { 8, 16, 20, 24, 32 };
3943 int i, j;
3944
3945 for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++)
3946 if (pcm & (AC_SUPPCM_BITS_8 << i))
3947 j += snprintf(buf + j, buflen - j, " %d", bits[i]);
3948
3949 buf[j] = '\0'; /* necessary when j == 0 */
3950}
2698ea98 3951EXPORT_SYMBOL_GPL(snd_print_pcm_bits);
1289e9e8
TI		 3952
3953MODULE_DESCRIPTION("HDA codec core");
3954MODULE_LICENSE("GPL");
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