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Merge tag 'drm-misc-next-2017-01-30' of git://anongit.freedesktop.org/git/drm-misc...
[linux-block.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
18478e8b 22#include <linux/mm.h>
1da177e4
LT		 23#include <linux/init.h>
24#include <linux/delay.h>
25#include <linux/slab.h>
62932df8 26#include <linux/mutex.h>
da155d5b 27#include <linux/module.h>
f4d6a55d 28#include <linux/async.h>
cc72da7d
TI		 29#include <linux/pm.h>
30#include <linux/pm_runtime.h>
1da177e4
LT		 31#include <sound/core.h>
32#include "hda_codec.h"
33#include <sound/asoundef.h>
302e9c5a 34#include <sound/tlv.h>
1da177e4 35#include <sound/initval.h>
cd372fb3 36#include <sound/jack.h>
1da177e4 37#include "hda_local.h"
123c07ae 38#include "hda_beep.h"
1835a0f9 39#include "hda_jack.h"
2807314d 40#include <sound/hda_hwdep.h>
1da177e4 41
83012a7c 42#ifdef CONFIG_PM
7639a06c 43#define codec_in_pm(codec) atomic_read(&(codec)->core.in_pm)
cc72da7d
TI		 44#define hda_codec_is_power_on(codec) \
45 (!pm_runtime_suspended(hda_codec_dev(codec)))
cb53c626 46#else
d846b174 47#define codec_in_pm(codec) 0
e581f3db 48#define hda_codec_is_power_on(codec) 1
cb53c626
TI		 49#endif
50
7639a06c
TI		 51#define codec_has_epss(codec) \
52 ((codec)->core.power_caps & AC_PWRST_EPSS)
53#define codec_has_clkstop(codec) \
54 ((codec)->core.power_caps & AC_PWRST_CLKSTOP)
55
aa2936f5 56/*
05852448 57 * Send and receive a verb - passed to exec_verb override for hdac_device
aa2936f5 58 */
05852448
TI		 59static int codec_exec_verb(struct hdac_device *dev, unsigned int cmd,
60 unsigned int flags, unsigned int *res)
aa2936f5 61{
05852448 62 struct hda_codec *codec = container_of(dev, struct hda_codec, core);
aa2936f5 63 struct hda_bus *bus = codec->bus;
8dd78330 64 int err;
aa2936f5 65
6430aeeb
WF		 66 if (cmd == ~0)
67 return -1;
68
8dd78330 69 again:
664c7155 70 snd_hda_power_up_pm(codec);
d068ebc2 71 mutex_lock(&bus->core.cmd_mutex);
63e51fd7
TI		 72 if (flags & HDA_RW_NO_RESPONSE_FALLBACK)
73 bus->no_response_fallback = 1;
d068ebc2
TI		 74 err = snd_hdac_bus_exec_verb_unlocked(&bus->core, codec->core.addr,
75 cmd, res);
63e51fd7 76 bus->no_response_fallback = 0;
d068ebc2 77 mutex_unlock(&bus->core.cmd_mutex);
664c7155 78 snd_hda_power_down_pm(codec);
cad372f1 79 if (!codec_in_pm(codec) && res && err == -EAGAIN) {
8dd78330 80 if (bus->response_reset) {
4e76a883
TI		 81 codec_dbg(codec,
82 "resetting BUS due to fatal communication error\n");
0a50575b 83 snd_hda_bus_reset(bus);
8dd78330
TI		 84 }
85 goto again;
86 }
87 /* clear reset-flag when the communication gets recovered */
d846b174 88 if (!err || codec_in_pm(codec))
8dd78330 89 bus->response_reset = 0;
aa2936f5
TI		 90 return err;
91}
92
1da177e4
LT		 93/**
94 * snd_hda_sequence_write - sequence writes
95 * @codec: the HDA codec
96 * @seq: VERB array to send
97 *
98 * Send the commands sequentially from the given array.
99 * The array must be terminated with NID=0.
100 */
101void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
102{
103 for (; seq->nid; seq++)
104 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
105}
2698ea98 106EXPORT_SYMBOL_GPL(snd_hda_sequence_write);
1da177e4 107
ee8e765b
TI		 108/* connection list element */
109struct hda_conn_list {
110 struct list_head list;
111 int len;
112 hda_nid_t nid;
113 hda_nid_t conns[0];
114};
115
b2f934a0 116/* look up the cached results */
ee8e765b
TI		 117static struct hda_conn_list *
118lookup_conn_list(struct hda_codec *codec, hda_nid_t nid)
b2f934a0 119{
ee8e765b
TI		 120 struct hda_conn_list *p;
121 list_for_each_entry(p, &codec->conn_list, list) {
122 if (p->nid == nid)
b2f934a0 123 return p;
b2f934a0
TI		 124 }
125 return NULL;
126}
a12d3e1e 127
ee8e765b
TI		 128static int add_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
129 const hda_nid_t *list)
130{
131 struct hda_conn_list *p;
132
133 p = kmalloc(sizeof(*p) + len * sizeof(hda_nid_t), GFP_KERNEL);
134 if (!p)
135 return -ENOMEM;
136 p->len = len;
137 p->nid = nid;
138 memcpy(p->conns, list, len * sizeof(hda_nid_t));
139 list_add(&p->list, &codec->conn_list);
140 return 0;
141}
142
143static void remove_conn_list(struct hda_codec *codec)
144{
145 while (!list_empty(&codec->conn_list)) {
146 struct hda_conn_list *p;
147 p = list_first_entry(&codec->conn_list, typeof(*p), list);
148 list_del(&p->list);
149 kfree(p);
150 }
151}
152
09cf03b8
TI		 153/* read the connection and add to the cache */
154static int read_and_add_raw_conns(struct hda_codec *codec, hda_nid_t nid)
155{
4eea3091
TI		 156 hda_nid_t list[32];
157 hda_nid_t *result = list;
09cf03b8
TI		 158 int len;
159
160 len = snd_hda_get_raw_connections(codec, nid, list, ARRAY_SIZE(list));
4eea3091
TI		 161 if (len == -ENOSPC) {
162 len = snd_hda_get_num_raw_conns(codec, nid);
163 result = kmalloc(sizeof(hda_nid_t) * len, GFP_KERNEL);
164 if (!result)
165 return -ENOMEM;
166 len = snd_hda_get_raw_connections(codec, nid, result, len);
167 }
168 if (len >= 0)
169 len = snd_hda_override_conn_list(codec, nid, len, result);
170 if (result != list)
171 kfree(result);
172 return len;
09cf03b8
TI		 173}
174
ee8e765b
TI		 175/**
176 * snd_hda_get_conn_list - get connection list
177 * @codec: the HDA codec
178 * @nid: NID to parse
ee8e765b
TI		 179 * @listp: the pointer to store NID list
180 *
181 * Parses the connection list of the given widget and stores the pointer
182 * to the list of NIDs.
183 *
184 * Returns the number of connections, or a negative error code.
185 *
186 * Note that the returned pointer isn't protected against the list
187 * modification. If snd_hda_override_conn_list() might be called
188 * concurrently, protect with a mutex appropriately.
189 */
190int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
191 const hda_nid_t **listp)
192{
193 bool added = false;
194
195 for (;;) {
196 int err;
197 const struct hda_conn_list *p;
198
199 /* if the connection-list is already cached, read it */
200 p = lookup_conn_list(codec, nid);
201 if (p) {
202 if (listp)
203 *listp = p->conns;
204 return p->len;
205 }
206 if (snd_BUG_ON(added))
207 return -EINVAL;
208
209 err = read_and_add_raw_conns(codec, nid);
210 if (err < 0)
211 return err;
212 added = true;
213 }
214}
2698ea98 215EXPORT_SYMBOL_GPL(snd_hda_get_conn_list);
ee8e765b 216
1da177e4 217/**
09cf03b8 218 * snd_hda_get_connections - copy connection list
1da177e4
LT		 219 * @codec: the HDA codec
220 * @nid: NID to parse
09cf03b8
TI		 221 * @conn_list: connection list array; when NULL, checks only the size
222 * @max_conns: max. number of connections to store
1da177e4
LT		 223 *
224 * Parses the connection list of the given widget and stores the list
225 * of NIDs.
226 *
227 * Returns the number of connections, or a negative error code.
228 */
09cf03b8
TI		 229int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
230 hda_nid_t *conn_list, int max_conns)
a12d3e1e 231{
ee8e765b
TI		 232 const hda_nid_t *list;
233 int len = snd_hda_get_conn_list(codec, nid, &list);
a12d3e1e 234
ee8e765b
TI		 235 if (len > 0 && conn_list) {
236 if (len > max_conns) {
4e76a883 237 codec_err(codec, "Too many connections %d for NID 0x%x\n",
09cf03b8 238 len, nid);
09cf03b8
TI		 239 return -EINVAL;
240 }
ee8e765b 241 memcpy(conn_list, list, len * sizeof(hda_nid_t));
a12d3e1e
TI		 242 }
243
ee8e765b 244 return len;
a12d3e1e 245}
2698ea98 246EXPORT_SYMBOL_GPL(snd_hda_get_connections);
a12d3e1e 247
b2f934a0
TI		 248/**
249 * snd_hda_override_conn_list - add/modify the connection-list to cache
250 * @codec: the HDA codec
251 * @nid: NID to parse
252 * @len: number of connection list entries
253 * @list: the list of connection entries
254 *
255 * Add or modify the given connection-list to the cache. If the corresponding
256 * cache already exists, invalidate it and append a new one.
257 *
258 * Returns zero or a negative error code.
259 */
260int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
261 const hda_nid_t *list)
262{
ee8e765b 263 struct hda_conn_list *p;
b2f934a0 264
ee8e765b
TI		 265 p = lookup_conn_list(codec, nid);
266 if (p) {
267 list_del(&p->list);
268 kfree(p);
269 }
b2f934a0 270
ee8e765b 271 return add_conn_list(codec, nid, len, list);
b2f934a0 272}
2698ea98 273EXPORT_SYMBOL_GPL(snd_hda_override_conn_list);
b2f934a0 274
8d087c76
TI		 275/**
276 * snd_hda_get_conn_index - get the connection index of the given NID
277 * @codec: the HDA codec
278 * @mux: NID containing the list
279 * @nid: NID to select
280 * @recursive: 1 when searching NID recursively, otherwise 0
281 *
282 * Parses the connection list of the widget @mux and checks whether the
283 * widget @nid is present. If it is, return the connection index.
284 * Otherwise it returns -1.
285 */
286int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
287 hda_nid_t nid, int recursive)
a12d3e1e 288{
ee8e765b 289 const hda_nid_t *conn;
8d087c76
TI		 290 int i, nums;
291
ee8e765b 292 nums = snd_hda_get_conn_list(codec, mux, &conn);
8d087c76
TI		 293 for (i = 0; i < nums; i++)
294 if (conn[i] == nid)
295 return i;
296 if (!recursive)
297 return -1;
d94ddd85 298 if (recursive > 10) {
4e76a883 299 codec_dbg(codec, "too deep connection for 0x%x\n", nid);
8d087c76 300 return -1;
a12d3e1e 301 }
8d087c76 302 recursive++;
99e14c9d
TI		 303 for (i = 0; i < nums; i++) {
304 unsigned int type = get_wcaps_type(get_wcaps(codec, conn[i]));
305 if (type == AC_WID_PIN || type == AC_WID_AUD_OUT)
306 continue;
8d087c76
TI		 307 if (snd_hda_get_conn_index(codec, conn[i], nid, recursive) >= 0)
308 return i;
99e14c9d 309 }
8d087c76 310 return -1;
a12d3e1e 311}
2698ea98 312EXPORT_SYMBOL_GPL(snd_hda_get_conn_index);
1da177e4 313
13800f39
LY		 314/**
315 * snd_hda_get_num_devices - get DEVLIST_LEN parameter of the given widget
316 * @codec: the HDA codec
317 * @nid: NID of the pin to parse
318 *
319 * Get the device entry number on the given widget. This is a feature of
320 * DP MST audio. Each pin can have several device entries in it.
321 */
322unsigned int snd_hda_get_num_devices(struct hda_codec *codec, hda_nid_t nid)
f1aa0684
ML		 323{
324 unsigned int wcaps = get_wcaps(codec, nid);
325 unsigned int parm;
326
327 if (!codec->dp_mst || !(wcaps & AC_WCAP_DIGITAL) ||
328 get_wcaps_type(wcaps) != AC_WID_PIN)
329 return 0;
330
132bd96b 331 parm = snd_hdac_read_parm_uncached(&codec->core, nid, AC_PAR_DEVLIST_LEN);
8654844c 332 if (parm == -1)
f1aa0684
ML		 333 parm = 0;
334 return parm & AC_DEV_LIST_LEN_MASK;
335}
13800f39 336EXPORT_SYMBOL_GPL(snd_hda_get_num_devices);
f1aa0684
ML		 337
338/**
339 * snd_hda_get_devices - copy device list without cache
340 * @codec: the HDA codec
341 * @nid: NID of the pin to parse
342 * @dev_list: device list array
343 * @max_devices: max. number of devices to store
344 *
345 * Copy the device list. This info is dynamic and so not cached.
346 * Currently called only from hda_proc.c, so not exported.
347 */
348int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid,
349 u8 *dev_list, int max_devices)
350{
351 unsigned int parm;
352 int i, dev_len, devices;
353
13800f39 354 parm = snd_hda_get_num_devices(codec, nid);
f1aa0684
ML		 355 if (!parm) /* not multi-stream capable */
356 return 0;
357
358 dev_len = parm + 1;
359 dev_len = dev_len < max_devices ? dev_len : max_devices;
360
361 devices = 0;
362 while (devices < dev_len) {
cad372f1
TI		 363 if (snd_hdac_read(&codec->core, nid,
364 AC_VERB_GET_DEVICE_LIST, devices, &parm))
365 break; /* error */
f1aa0684
ML		 366
367 for (i = 0; i < 8; i++) {
368 dev_list[devices] = (u8)parm;
369 parm >>= 4;
370 devices++;
371 if (devices >= dev_len)
372 break;
373 }
374 }
375 return devices;
376}
377
13800f39
LY		 378/**
379 * snd_hda_get_dev_select - get device entry select on the pin
380 * @codec: the HDA codec
381 * @nid: NID of the pin to get device entry select
382 *
383 * Get the devcie entry select on the pin. Return the device entry
384 * id selected on the pin. Return 0 means the first device entry
385 * is selected or MST is not supported.
386 */
387int snd_hda_get_dev_select(struct hda_codec *codec, hda_nid_t nid)
388{
389 /* not support dp_mst will always return 0, using first dev_entry */
390 if (!codec->dp_mst)
391 return 0;
392
393 return snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DEVICE_SEL, 0);
394}
395EXPORT_SYMBOL_GPL(snd_hda_get_dev_select);
396
397/**
398 * snd_hda_set_dev_select - set device entry select on the pin
399 * @codec: the HDA codec
400 * @nid: NID of the pin to set device entry select
401 * @dev_id: device entry id to be set
402 *
403 * Set the device entry select on the pin nid.
404 */
405int snd_hda_set_dev_select(struct hda_codec *codec, hda_nid_t nid, int dev_id)
406{
407 int ret, num_devices;
408
409 /* not support dp_mst will always return 0, using first dev_entry */
410 if (!codec->dp_mst)
411 return 0;
412
413 /* AC_PAR_DEVLIST_LEN is 0 based. */
414 num_devices = snd_hda_get_num_devices(codec, nid) + 1;
415 /* If Device List Length is 0 (num_device = 1),
416 * the pin is not multi stream capable.
417 * Do nothing in this case.
418 */
419 if (num_devices == 1)
420 return 0;
421
422 /* Behavior of setting index being equal to or greater than
423 * Device List Length is not predictable
424 */
425 if (num_devices <= dev_id)
426 return -EINVAL;
427
428 ret = snd_hda_codec_write(codec, nid, 0,
429 AC_VERB_SET_DEVICE_SEL, dev_id);
430
431 return ret;
432}
433EXPORT_SYMBOL_GPL(snd_hda_set_dev_select);
434
54d17403
TI		 435/*
436 * read widget caps for each widget and store in cache
437 */
438static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
439{
440 int i;
441 hda_nid_t nid;
442
7639a06c 443 codec->wcaps = kmalloc(codec->core.num_nodes * 4, GFP_KERNEL);
0ba21762 444 if (!codec->wcaps)
54d17403 445 return -ENOMEM;
7639a06c
TI		 446 nid = codec->core.start_nid;
447 for (i = 0; i < codec->core.num_nodes; i++, nid++)
9ba17b4d
TI		 448 codec->wcaps[i] = snd_hdac_read_parm_uncached(&codec->core,
449 nid, AC_PAR_AUDIO_WIDGET_CAP);
54d17403
TI		 450 return 0;
451}
452
3be14149
TI		 453/* read all pin default configurations and save codec->init_pins */
454static int read_pin_defaults(struct hda_codec *codec)
455{
7639a06c 456 hda_nid_t nid;
3be14149 457
7639a06c 458 for_each_hda_codec_node(nid, codec) {
3be14149
TI		 459 struct hda_pincfg *pin;
460 unsigned int wcaps = get_wcaps(codec, nid);
a22d543a 461 unsigned int wid_type = get_wcaps_type(wcaps);
3be14149
TI		 462 if (wid_type != AC_WID_PIN)
463 continue;
464 pin = snd_array_new(&codec->init_pins);
465 if (!pin)
466 return -ENOMEM;
467 pin->nid = nid;
468 pin->cfg = snd_hda_codec_read(codec, nid, 0,
469 AC_VERB_GET_CONFIG_DEFAULT, 0);
9152085d
LY		 470 /*
471 * all device entries are the same widget control so far
472 * fixme: if any codec is different, need fix here
473 */
ac0547dc
TI		 474 pin->ctrl = snd_hda_codec_read(codec, nid, 0,
475 AC_VERB_GET_PIN_WIDGET_CONTROL,
476 0);
3be14149
TI		 477 }
478 return 0;
479}
480
481/* look up the given pin config list and return the item matching with NID */
482static struct hda_pincfg *look_up_pincfg(struct hda_codec *codec,
483 struct snd_array *array,
484 hda_nid_t nid)
485{
486 int i;
487 for (i = 0; i < array->used; i++) {
488 struct hda_pincfg *pin = snd_array_elem(array, i);
489 if (pin->nid == nid)
490 return pin;
491 }
492 return NULL;
493}
494
3be14149
TI		 495/* set the current pin config value for the given NID.
496 * the value is cached, and read via snd_hda_codec_get_pincfg()
497 */
498int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
499 hda_nid_t nid, unsigned int cfg)
500{
501 struct hda_pincfg *pin;
502
d5657ec9
TI		 503 /* the check below may be invalid when pins are added by a fixup
504 * dynamically (e.g. via snd_hda_codec_update_widgets()), so disabled
505 * for now
506 */
507 /*
b82855a0
TI		 508 if (get_wcaps_type(get_wcaps(codec, nid)) != AC_WID_PIN)
509 return -EINVAL;
d5657ec9 510 */
b82855a0 511
3be14149
TI		 512 pin = look_up_pincfg(codec, list, nid);
513 if (!pin) {
514 pin = snd_array_new(list);
515 if (!pin)
516 return -ENOMEM;
517 pin->nid = nid;
518 }
519 pin->cfg = cfg;
3be14149
TI		 520 return 0;
521}
522
d5191e50
TI		 523/**
524 * snd_hda_codec_set_pincfg - Override a pin default configuration
525 * @codec: the HDA codec
526 * @nid: NID to set the pin config
527 * @cfg: the pin default config value
528 *
529 * Override a pin default configuration value in the cache.
530 * This value can be read by snd_hda_codec_get_pincfg() in a higher
531 * priority than the real hardware value.
532 */
3be14149
TI		 533int snd_hda_codec_set_pincfg(struct hda_codec *codec,
534 hda_nid_t nid, unsigned int cfg)
535{
346ff70f 536 return snd_hda_add_pincfg(codec, &codec->driver_pins, nid, cfg);
3be14149 537}
2698ea98 538EXPORT_SYMBOL_GPL(snd_hda_codec_set_pincfg);
3be14149 539
d5191e50
TI		 540/**
541 * snd_hda_codec_get_pincfg - Obtain a pin-default configuration
542 * @codec: the HDA codec
543 * @nid: NID to get the pin config
544 *
545 * Get the current pin config value of the given pin NID.
546 * If the pincfg value is cached or overridden via sysfs or driver,
547 * returns the cached value.
548 */
3be14149
TI		 549unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid)
550{
551 struct hda_pincfg *pin;
552
648a8d27 553#ifdef CONFIG_SND_HDA_RECONFIG
09b70e85
TI		 554 {
555 unsigned int cfg = 0;
556 mutex_lock(&codec->user_mutex);
557 pin = look_up_pincfg(codec, &codec->user_pins, nid);
558 if (pin)
559 cfg = pin->cfg;
560 mutex_unlock(&codec->user_mutex);
561 if (cfg)
562 return cfg;
563 }
3be14149 564#endif
5e7b8e0d
TI		 565 pin = look_up_pincfg(codec, &codec->driver_pins, nid);
566 if (pin)
567 return pin->cfg;
3be14149
TI		 568 pin = look_up_pincfg(codec, &codec->init_pins, nid);
569 if (pin)
570 return pin->cfg;
571 return 0;
572}
2698ea98 573EXPORT_SYMBOL_GPL(snd_hda_codec_get_pincfg);
3be14149 574
95a962c3
TI		 575/**
576 * snd_hda_codec_set_pin_target - remember the current pinctl target value
577 * @codec: the HDA codec
578 * @nid: pin NID
579 * @val: assigned pinctl value
580 *
581 * This function stores the given value to a pinctl target value in the
582 * pincfg table. This isn't always as same as the actually written value
583 * but can be referred at any time via snd_hda_codec_get_pin_target().
584 */
d7fdc00a
TI		 585int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid,
586 unsigned int val)
587{
588 struct hda_pincfg *pin;
589
590 pin = look_up_pincfg(codec, &codec->init_pins, nid);
591 if (!pin)
592 return -EINVAL;
593 pin->target = val;
594 return 0;
595}
2698ea98 596EXPORT_SYMBOL_GPL(snd_hda_codec_set_pin_target);
d7fdc00a 597
95a962c3
TI		 598/**
599 * snd_hda_codec_get_pin_target - return the current pinctl target value
600 * @codec: the HDA codec
601 * @nid: pin NID
602 */
d7fdc00a
TI		 603int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid)
604{
605 struct hda_pincfg *pin;
606
607 pin = look_up_pincfg(codec, &codec->init_pins, nid);
608 if (!pin)
609 return 0;
610 return pin->target;
611}
2698ea98 612EXPORT_SYMBOL_GPL(snd_hda_codec_get_pin_target);
d7fdc00a 613
92ee6162
TI		 614/**
615 * snd_hda_shutup_pins - Shut up all pins
616 * @codec: the HDA codec
617 *
618 * Clear all pin controls to shup up before suspend for avoiding click noise.
619 * The controls aren't cached so that they can be resumed properly.
620 */
621void snd_hda_shutup_pins(struct hda_codec *codec)
622{
623 int i;
ac0547dc
TI		 624 /* don't shut up pins when unloading the driver; otherwise it breaks
625 * the default pin setup at the next load of the driver
626 */
627 if (codec->bus->shutdown)
628 return;
92ee6162
TI		 629 for (i = 0; i < codec->init_pins.used; i++) {
630 struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i);
631 /* use read here for syncing after issuing each verb */
632 snd_hda_codec_read(codec, pin->nid, 0,
633 AC_VERB_SET_PIN_WIDGET_CONTROL, 0);
634 }
ac0547dc 635 codec->pins_shutup = 1;
92ee6162 636}
2698ea98 637EXPORT_SYMBOL_GPL(snd_hda_shutup_pins);
92ee6162 638
2a43952a 639#ifdef CONFIG_PM
ac0547dc
TI		 640/* Restore the pin controls cleared previously via snd_hda_shutup_pins() */
641static void restore_shutup_pins(struct hda_codec *codec)
642{
643 int i;
644 if (!codec->pins_shutup)
645 return;
646 if (codec->bus->shutdown)
647 return;
648 for (i = 0; i < codec->init_pins.used; i++) {
649 struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i);
650 snd_hda_codec_write(codec, pin->nid, 0,
651 AC_VERB_SET_PIN_WIDGET_CONTROL,
652 pin->ctrl);
653 }
654 codec->pins_shutup = 0;
655}
1c7276cf 656#endif
ac0547dc 657
26a6cb6c
DH		 658static void hda_jackpoll_work(struct work_struct *work)
659{
660 struct hda_codec *codec =
661 container_of(work, struct hda_codec, jackpoll_work.work);
26a6cb6c
DH		 662
663 snd_hda_jack_set_dirty_all(codec);
664 snd_hda_jack_poll_all(codec);
18e60627
WX		 665
666 if (!codec->jackpoll_interval)
667 return;
668
2f35c630
TI		 669 schedule_delayed_work(&codec->jackpoll_work,
670 codec->jackpoll_interval);
26a6cb6c
DH		 671}
672
3fdf1469
TI		 673/* release all pincfg lists */
674static void free_init_pincfgs(struct hda_codec *codec)
3be14149 675{
346ff70f 676 snd_array_free(&codec->driver_pins);
648a8d27 677#ifdef CONFIG_SND_HDA_RECONFIG
346ff70f 678 snd_array_free(&codec->user_pins);
3be14149 679#endif
3be14149
TI		 680 snd_array_free(&codec->init_pins);
681}
682
eb541337
TI		 683/*
684 * audio-converter setup caches
685 */
686struct hda_cvt_setup {
687 hda_nid_t nid;
688 u8 stream_tag;
689 u8 channel_id;
690 u16 format_id;
691 unsigned char active; /* cvt is currently used */
692 unsigned char dirty; /* setups should be cleared */
693};
694
695/* get or create a cache entry for the given audio converter NID */
696static struct hda_cvt_setup *
697get_hda_cvt_setup(struct hda_codec *codec, hda_nid_t nid)
698{
699 struct hda_cvt_setup *p;
700 int i;
701
702 for (i = 0; i < codec->cvt_setups.used; i++) {
703 p = snd_array_elem(&codec->cvt_setups, i);
704 if (p->nid == nid)
705 return p;
706 }
707 p = snd_array_new(&codec->cvt_setups);
708 if (p)
709 p->nid = nid;
710 return p;
711}
712
bbbc7e85
TI		 713/*
714 * PCM device
715 */
716static void release_pcm(struct kref *kref)
717{
718 struct hda_pcm *pcm = container_of(kref, struct hda_pcm, kref);
719
720 if (pcm->pcm)
721 snd_device_free(pcm->codec->card, pcm->pcm);
722 clear_bit(pcm->device, pcm->codec->bus->pcm_dev_bits);
723 kfree(pcm->name);
724 kfree(pcm);
725}
726
727void snd_hda_codec_pcm_put(struct hda_pcm *pcm)
728{
729 kref_put(&pcm->kref, release_pcm);
730}
731EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_put);
732
733struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec,
734 const char *fmt, ...)
735{
736 struct hda_pcm *pcm;
737 va_list args;
738
bbbc7e85
TI		 739 pcm = kzalloc(sizeof(*pcm), GFP_KERNEL);
740 if (!pcm)
741 return NULL;
742
743 pcm->codec = codec;
744 kref_init(&pcm->kref);
30e5f003 745 va_start(args, fmt);
bbbc7e85 746 pcm->name = kvasprintf(GFP_KERNEL, fmt, args);
30e5f003 747 va_end(args);
bbbc7e85
TI		 748 if (!pcm->name) {
749 kfree(pcm);
750 return NULL;
751 }
752
753 list_add_tail(&pcm->list, &codec->pcm_list_head);
754 return pcm;
755}
756EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_new);
757
9a6246ff
TI		 758/*
759 * codec destructor
760 */
bbbc7e85
TI		 761static void codec_release_pcms(struct hda_codec *codec)
762{
763 struct hda_pcm *pcm, *n;
764
765 list_for_each_entry_safe(pcm, n, &codec->pcm_list_head, list) {
766 list_del_init(&pcm->list);
9a6246ff
TI		 767 if (pcm->pcm)
768 snd_device_disconnect(codec->card, pcm->pcm);
bbbc7e85
TI		 769 snd_hda_codec_pcm_put(pcm);
770 }
771}
772
9a6246ff
TI		 773void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec)
774{
c4c2533f
TI		 775 if (codec->registered) {
776 /* pm_runtime_put() is called in snd_hdac_device_exit() */
777 pm_runtime_get_noresume(hda_codec_dev(codec));
778 pm_runtime_disable(hda_codec_dev(codec));
779 codec->registered = 0;
780 }
781
9a6246ff 782 cancel_delayed_work_sync(&codec->jackpoll_work);
9a6246ff
TI		 783 if (!codec->in_freeing)
784 snd_hda_ctls_clear(codec);
785 codec_release_pcms(codec);
786 snd_hda_detach_beep_device(codec);
787 memset(&codec->patch_ops, 0, sizeof(codec->patch_ops));
788 snd_hda_jack_tbl_clear(codec);
789 codec->proc_widget_hook = NULL;
790 codec->spec = NULL;
791
9a6246ff
TI		 792 /* free only driver_pins so that init_pins + user_pins are restored */
793 snd_array_free(&codec->driver_pins);
794 snd_array_free(&codec->cvt_setups);
795 snd_array_free(&codec->spdif_out);
796 snd_array_free(&codec->verbs);
797 codec->preset = NULL;
798 codec->slave_dig_outs = NULL;
799 codec->spdif_status_reset = 0;
800 snd_array_free(&codec->mixers);
801 snd_array_free(&codec->nids);
802 remove_conn_list(codec);
4d75faa0 803 snd_hdac_regmap_exit(&codec->core);
9a6246ff
TI		 804}
805
d819387e 806static unsigned int hda_set_power_state(struct hda_codec *codec,
bb6ac72f
TI		 807 unsigned int power_state);
808
c4c2533f
TI		 809/* also called from hda_bind.c */
810void snd_hda_codec_register(struct hda_codec *codec)
13aeaf68 811{
c4c2533f
TI		 812 if (codec->registered)
813 return;
814 if (device_is_registered(hda_codec_dev(codec))) {
815 snd_hda_register_beep_device(codec);
a5e7e07c 816 snd_hdac_link_power(&codec->core, true);
cc72da7d 817 pm_runtime_enable(hda_codec_dev(codec));
c4c2533f
TI		 818 /* it was powered up in snd_hda_codec_new(), now all done */
819 snd_hda_power_down(codec);
820 codec->registered = 1;
821 }
822}
823
824static int snd_hda_codec_dev_register(struct snd_device *device)
825{
826 snd_hda_codec_register(device->device_data);
d604b399 827 return 0;
13aeaf68
TI		 828}
829
830static int snd_hda_codec_dev_disconnect(struct snd_device *device)
831{
832 struct hda_codec *codec = device->device_data;
833
d604b399 834 snd_hda_detach_beep_device(codec);
13aeaf68
TI		 835 return 0;
836}
837
2565c899
TI		 838static int snd_hda_codec_dev_free(struct snd_device *device)
839{
d56db741
TI		 840 struct hda_codec *codec = device->device_data;
841
842 codec->in_freeing = 1;
3256be65 843 snd_hdac_device_unregister(&codec->core);
a457782a 844 snd_hdac_link_power(&codec->core, false);
d56db741 845 put_device(hda_codec_dev(codec));
2565c899
TI		 846 return 0;
847}
848
13aeaf68
TI		 849static void snd_hda_codec_dev_release(struct device *dev)
850{
d56db741
TI		 851 struct hda_codec *codec = dev_to_hda_codec(dev);
852
853 free_init_pincfgs(codec);
7639a06c 854 snd_hdac_device_exit(&codec->core);
d56db741 855 snd_hda_sysfs_clear(codec);
d56db741
TI		 856 kfree(codec->modelname);
857 kfree(codec->wcaps);
d56db741 858 kfree(codec);
13aeaf68
TI		 859}
860
1da177e4
LT		 861/**
862 * snd_hda_codec_new - create a HDA codec
863 * @bus: the bus to assign
864 * @codec_addr: the codec address
865 * @codecp: the pointer to store the generated codec
866 *
867 * Returns 0 if successful, or a negative error code.
868 */
6efdd851
TI		 869int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card,
870 unsigned int codec_addr, struct hda_codec **codecp)
1da177e4
LT		 871{
872 struct hda_codec *codec;
ba443687 873 char component[31];
d819387e 874 hda_nid_t fg;
1da177e4 875 int err;
2565c899 876 static struct snd_device_ops dev_ops = {
13aeaf68
TI		 877 .dev_register = snd_hda_codec_dev_register,
878 .dev_disconnect = snd_hda_codec_dev_disconnect,
2565c899
TI		 879 .dev_free = snd_hda_codec_dev_free,
880 };
1da177e4 881
da3cec35
TI		 882 if (snd_BUG_ON(!bus))
883 return -EINVAL;
884 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
885 return -EINVAL;
1da177e4 886
e560d8d8 887 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
f4de8fe6 888 if (!codec)
1da177e4 889 return -ENOMEM;
1da177e4 890
7639a06c
TI		 891 sprintf(component, "hdaudioC%dD%d", card->number, codec_addr);
892 err = snd_hdac_device_init(&codec->core, &bus->core, component,
893 codec_addr);
894 if (err < 0) {
895 kfree(codec);
896 return err;
897 }
d068ebc2 898
7639a06c
TI		 899 codec->core.dev.release = snd_hda_codec_dev_release;
900 codec->core.type = HDA_DEV_LEGACY;
05852448 901 codec->core.exec_verb = codec_exec_verb;
13aeaf68 902
1da177e4 903 codec->bus = bus;
6efdd851 904 codec->card = card;
1da177e4 905 codec->addr = codec_addr;
62932df8 906 mutex_init(&codec->spdif_mutex);
5a9e02e9 907 mutex_init(&codec->control_mutex);
5b0cb1d8
JK		 908 snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 32);
909 snd_array_init(&codec->nids, sizeof(struct hda_nid_item), 32);
3be14149 910 snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16);
346ff70f 911 snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16);
eb541337 912 snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8);
7c935976 913 snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16);
361dab3e 914 snd_array_init(&codec->jacktbl, sizeof(struct hda_jack_tbl), 16);
c9ce6b26 915 snd_array_init(&codec->verbs, sizeof(struct hda_verb *), 8);
ee8e765b 916 INIT_LIST_HEAD(&codec->conn_list);
bbbc7e85 917 INIT_LIST_HEAD(&codec->pcm_list_head);
ee8e765b 918
26a6cb6c 919 INIT_DELAYED_WORK(&codec->jackpoll_work, hda_jackpoll_work);
7f132927 920 codec->depop_delay = -1;
f5662e1c 921 codec->fixup_id = HDA_FIXUP_ID_NOT_SET;
1da177e4 922
83012a7c 923#ifdef CONFIG_PM
cc72da7d 924 codec->power_jiffies = jiffies;
cb53c626
TI		 925#endif
926
648a8d27
TI		 927 snd_hda_sysfs_init(codec);
928
c382a9f0
TI		 929 if (codec->bus->modelname) {
930 codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL);
931 if (!codec->modelname) {
6986a0e2 932 err = -ENOMEM;
13aeaf68 933 goto error;
c382a9f0
TI		 934 }
935 }
936
7639a06c 937 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
d819387e 938 err = read_widget_caps(codec, fg);
f4de8fe6 939 if (err < 0)
3be14149 940 goto error;
3be14149
TI		 941 err = read_pin_defaults(codec);
942 if (err < 0)
943 goto error;
54d17403 944
bb6ac72f 945 /* power-up all before initialization */
d819387e 946 hda_set_power_state(codec, AC_PWRST_D0);
bb6ac72f 947
6c1f45ea
TI		 948 snd_hda_codec_proc_new(codec);
949
6c1f45ea 950 snd_hda_create_hwdep(codec);
6c1f45ea 951
7639a06c
TI		 952 sprintf(component, "HDA:%08x,%08x,%08x", codec->core.vendor_id,
953 codec->core.subsystem_id, codec->core.revision_id);
6efdd851 954 snd_component_add(card, component);
6c1f45ea 955
6efdd851 956 err = snd_device_new(card, SNDRV_DEV_CODEC, codec, &dev_ops);
2565c899
TI		 957 if (err < 0)
958 goto error;
959
6c1f45ea
TI		 960 if (codecp)
961 *codecp = codec;
962 return 0;
3be14149
TI		 963
964 error:
d56db741 965 put_device(hda_codec_dev(codec));
3be14149 966 return err;
6c1f45ea 967}
2698ea98 968EXPORT_SYMBOL_GPL(snd_hda_codec_new);
6c1f45ea 969
95a962c3
TI		 970/**
971 * snd_hda_codec_update_widgets - Refresh widget caps and pin defaults
972 * @codec: the HDA codec
973 *
974 * Forcibly refresh the all widget caps and the init pin configurations of
975 * the given codec.
976 */
a15d05db
ML		 977int snd_hda_codec_update_widgets(struct hda_codec *codec)
978{
979 hda_nid_t fg;
980 int err;
981
9dcc144b 982 err = snd_hdac_refresh_widget_sysfs(&codec->core);
7639a06c
TI		 983 if (err < 0)
984 return err;
985
a15d05db
ML		 986 /* Assume the function group node does not change,
987 * only the widget nodes may change.
988 */
989 kfree(codec->wcaps);
7639a06c 990 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
a15d05db 991 err = read_widget_caps(codec, fg);
f4de8fe6 992 if (err < 0)
a15d05db 993 return err;
a15d05db
ML		 994
995 snd_array_free(&codec->init_pins);
996 err = read_pin_defaults(codec);
997
998 return err;
999}
2698ea98 1000EXPORT_SYMBOL_GPL(snd_hda_codec_update_widgets);
a15d05db 1001
ed360813
TI		 1002/* update the stream-id if changed */
1003static void update_pcm_stream_id(struct hda_codec *codec,
1004 struct hda_cvt_setup *p, hda_nid_t nid,
1005 u32 stream_tag, int channel_id)
1006{
1007 unsigned int oldval, newval;
1008
1009 if (p->stream_tag != stream_tag || p->channel_id != channel_id) {
1010 oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
1011 newval = (stream_tag << 4) | channel_id;
1012 if (oldval != newval)
1013 snd_hda_codec_write(codec, nid, 0,
1014 AC_VERB_SET_CHANNEL_STREAMID,
1015 newval);
1016 p->stream_tag = stream_tag;
1017 p->channel_id = channel_id;
1018 }
1019}
1020
1021/* update the format-id if changed */
1022static void update_pcm_format(struct hda_codec *codec, struct hda_cvt_setup *p,
1023 hda_nid_t nid, int format)
1024{
1025 unsigned int oldval;
1026
1027 if (p->format_id != format) {
1028 oldval = snd_hda_codec_read(codec, nid, 0,
1029 AC_VERB_GET_STREAM_FORMAT, 0);
1030 if (oldval != format) {
1031 msleep(1);
1032 snd_hda_codec_write(codec, nid, 0,
1033 AC_VERB_SET_STREAM_FORMAT,
1034 format);
1035 }
1036 p->format_id = format;
1037 }
1038}
1039
1da177e4
LT		 1040/**
1041 * snd_hda_codec_setup_stream - set up the codec for streaming
1042 * @codec: the CODEC to set up
1043 * @nid: the NID to set up
1044 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
1045 * @channel_id: channel id to pass, zero based.
1046 * @format: stream format.
1047 */
0ba21762
TI		 1048void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
1049 u32 stream_tag,
1da177e4
LT		 1050 int channel_id, int format)
1051{
3f50ac6a 1052 struct hda_codec *c;
eb541337 1053 struct hda_cvt_setup *p;
62b7e5e0 1054 int type;
eb541337
TI		 1055 int i;
1056
0ba21762 1057 if (!nid)
d21b37ea
TI		 1058 return;
1059
4e76a883
TI		 1060 codec_dbg(codec,
1061 "hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
1062 nid, stream_tag, channel_id, format);
eb541337 1063 p = get_hda_cvt_setup(codec, nid);
6c35ae3c 1064 if (!p)
eb541337 1065 return;
ed360813 1066
e6feb5d0
TI		 1067 if (codec->patch_ops.stream_pm)
1068 codec->patch_ops.stream_pm(codec, nid, true);
ed360813
TI		 1069 if (codec->pcm_format_first)
1070 update_pcm_format(codec, p, nid, format);
1071 update_pcm_stream_id(codec, p, nid, stream_tag, channel_id);
1072 if (!codec->pcm_format_first)
1073 update_pcm_format(codec, p, nid, format);
1074
eb541337
TI		 1075 p->active = 1;
1076 p->dirty = 0;
1077
1078 /* make other inactive cvts with the same stream-tag dirty */
62b7e5e0 1079 type = get_wcaps_type(get_wcaps(codec, nid));
d068ebc2 1080 list_for_each_codec(c, codec->bus) {
3f50ac6a
TI		 1081 for (i = 0; i < c->cvt_setups.used; i++) {
1082 p = snd_array_elem(&c->cvt_setups, i);
62b7e5e0 1083 if (!p->active && p->stream_tag == stream_tag &&
54c2a89f 1084 get_wcaps_type(get_wcaps(c, p->nid)) == type)
3f50ac6a
TI		 1085 p->dirty = 1;
1086 }
eb541337 1087 }
1da177e4 1088}
2698ea98 1089EXPORT_SYMBOL_GPL(snd_hda_codec_setup_stream);
1da177e4 1090
f0cea797
TI		 1091static void really_cleanup_stream(struct hda_codec *codec,
1092 struct hda_cvt_setup *q);
1093
d5191e50 1094/**
f0cea797 1095 * __snd_hda_codec_cleanup_stream - clean up the codec for closing
d5191e50
TI		 1096 * @codec: the CODEC to clean up
1097 * @nid: the NID to clean up
f0cea797 1098 * @do_now: really clean up the stream instead of clearing the active flag
d5191e50 1099 */
f0cea797
TI		 1100void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
1101 int do_now)
888afa15 1102{
eb541337
TI		 1103 struct hda_cvt_setup *p;
1104
888afa15
TI		 1105 if (!nid)
1106 return;
1107
0e7adbe2
TI		 1108 if (codec->no_sticky_stream)
1109 do_now = 1;
1110
4e76a883 1111 codec_dbg(codec, "hda_codec_cleanup_stream: NID=0x%x\n", nid);
eb541337 1112 p = get_hda_cvt_setup(codec, nid);
6c35ae3c 1113 if (p) {
f0cea797
TI		 1114 /* here we just clear the active flag when do_now isn't set;
1115 * actual clean-ups will be done later in
1116 * purify_inactive_streams() called from snd_hda_codec_prpapre()
1117 */
1118 if (do_now)
1119 really_cleanup_stream(codec, p);
1120 else
1121 p->active = 0;
1122 }
eb541337 1123}
2698ea98 1124EXPORT_SYMBOL_GPL(__snd_hda_codec_cleanup_stream);
eb541337
TI		 1125
1126static void really_cleanup_stream(struct hda_codec *codec,
1127 struct hda_cvt_setup *q)
1128{
1129 hda_nid_t nid = q->nid;
218264ae
TI		 1130 if (q->stream_tag || q->channel_id)
1131 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1132 if (q->format_id)
1133 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0
1134);
eb541337
TI		 1135 memset(q, 0, sizeof(*q));
1136 q->nid = nid;
e6feb5d0
TI		 1137 if (codec->patch_ops.stream_pm)
1138 codec->patch_ops.stream_pm(codec, nid, false);
eb541337
TI		 1139}
1140
1141/* clean up the all conflicting obsolete streams */
1142static void purify_inactive_streams(struct hda_codec *codec)
1143{
3f50ac6a 1144 struct hda_codec *c;
eb541337
TI		 1145 int i;
1146
d068ebc2 1147 list_for_each_codec(c, codec->bus) {
3f50ac6a
TI		 1148 for (i = 0; i < c->cvt_setups.used; i++) {
1149 struct hda_cvt_setup *p;
1150 p = snd_array_elem(&c->cvt_setups, i);
1151 if (p->dirty)
1152 really_cleanup_stream(c, p);
1153 }
eb541337
TI		 1154 }
1155}
1156
2a43952a 1157#ifdef CONFIG_PM
eb541337
TI		 1158/* clean up all streams; called from suspend */
1159static void hda_cleanup_all_streams(struct hda_codec *codec)
1160{
1161 int i;
1162
1163 for (i = 0; i < codec->cvt_setups.used; i++) {
1164 struct hda_cvt_setup *p = snd_array_elem(&codec->cvt_setups, i);
1165 if (p->stream_tag)
1166 really_cleanup_stream(codec, p);
1167 }
888afa15 1168}
1c7276cf 1169#endif
888afa15 1170
1da177e4
LT		 1171/*
1172 * amp access functions
1173 */
1174
d5191e50
TI		 1175/**
1176 * query_amp_caps - query AMP capabilities
1177 * @codec: the HD-auio codec
1178 * @nid: the NID to query
1179 * @direction: either #HDA_INPUT or #HDA_OUTPUT
1180 *
1181 * Query AMP capabilities for the given widget and direction.
1182 * Returns the obtained capability bits.
1183 *
1184 * When cap bits have been already read, this doesn't read again but
1185 * returns the cached value.
1da177e4 1186 */
09a99959 1187u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
1da177e4 1188{
faa75f8a
TI		 1189 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
1190 nid = codec->core.afg;
1191 return snd_hda_param_read(codec, nid,
1192 direction == HDA_OUTPUT ?
1193 AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
1da177e4 1194}
2698ea98 1195EXPORT_SYMBOL_GPL(query_amp_caps);
1da177e4 1196
861a04ed
DH		 1197/**
1198 * snd_hda_check_amp_caps - query AMP capabilities
1199 * @codec: the HD-audio codec
1200 * @nid: the NID to query
1201 * @dir: either #HDA_INPUT or #HDA_OUTPUT
a11e9b16 1202 * @bits: bit mask to check the result
861a04ed
DH		 1203 *
1204 * Check whether the widget has the given amp capability for the direction.
1205 */
1206bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
1207 int dir, unsigned int bits)
1208{
1209 if (!nid)
1210 return false;
1211 if (get_wcaps(codec, nid) & (1 << (dir + 1)))
1212 if (query_amp_caps(codec, nid, dir) & bits)
1213 return true;
1214 return false;
1215}
1216EXPORT_SYMBOL_GPL(snd_hda_check_amp_caps);
1217
d5191e50
TI		 1218/**
1219 * snd_hda_override_amp_caps - Override the AMP capabilities
1220 * @codec: the CODEC to clean up
1221 * @nid: the NID to clean up
a11e9b16 1222 * @dir: either #HDA_INPUT or #HDA_OUTPUT
d5191e50
TI		 1223 * @caps: the capability bits to set
1224 *
1225 * Override the cached AMP caps bits value by the given one.
1226 * This function is useful if the driver needs to adjust the AMP ranges,
1227 * e.g. limit to 0dB, etc.
1228 *
1229 * Returns zero if successful or a negative error code.
1230 */
897cc188
TI		 1231int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
1232 unsigned int caps)
1233{
faa75f8a 1234 unsigned int parm;
897cc188 1235
faa75f8a
TI		 1236 snd_hda_override_wcaps(codec, nid,
1237 get_wcaps(codec, nid) | AC_WCAP_AMP_OVRD);
1238 parm = dir == HDA_OUTPUT ? AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP;
1239 return snd_hdac_override_parm(&codec->core, nid, parm, caps);
f57c2565 1240}
faa75f8a 1241EXPORT_SYMBOL_GPL(snd_hda_override_amp_caps);
f57c2565 1242
a686ec4c
TI		 1243/**
1244 * snd_hda_codec_amp_update - update the AMP mono value
1245 * @codec: HD-audio codec
1246 * @nid: NID to read the AMP value
1247 * @ch: channel to update (0 or 1)
1248 * @dir: #HDA_INPUT or #HDA_OUTPUT
1249 * @idx: the index value (only for input direction)
1250 * @mask: bit mask to set
1251 * @val: the bits value to set
1252 *
1253 * Update the AMP values for the given channel, direction and index.
1254 */
1255int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid,
1256 int ch, int dir, int idx, int mask, int val)
1257{
1258 unsigned int cmd = snd_hdac_regmap_encode_amp(nid, ch, dir, idx);
1259
1260 /* enable fake mute if no h/w mute but min=mute */
1261 if ((query_amp_caps(codec, nid, dir) &
1262 (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) == AC_AMPCAP_MIN_MUTE)
1263 cmd |= AC_AMP_FAKE_MUTE;
1264 return snd_hdac_regmap_update_raw(&codec->core, cmd, mask, val);
1265}
1266EXPORT_SYMBOL_GPL(snd_hda_codec_amp_update);
1267
d5191e50
TI		 1268/**
1269 * snd_hda_codec_amp_stereo - update the AMP stereo values
1270 * @codec: HD-audio codec
1271 * @nid: NID to read the AMP value
1272 * @direction: #HDA_INPUT or #HDA_OUTPUT
1273 * @idx: the index value (only for input direction)
1274 * @mask: bit mask to set
1275 * @val: the bits value to set
1276 *
1277 * Update the AMP values like snd_hda_codec_amp_update(), but for a
1278 * stereo widget with the same mask and value.
47fd830a
TI		 1279 */
1280int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
1281 int direction, int idx, int mask, int val)
1282{
1283 int ch, ret = 0;
46712646
TI		 1284
1285 if (snd_BUG_ON(mask & ~0xff))
1286 mask &= 0xff;
47fd830a
TI		 1287 for (ch = 0; ch < 2; ch++)
1288 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
1289 idx, mask, val);
1290 return ret;
1291}
2698ea98 1292EXPORT_SYMBOL_GPL(snd_hda_codec_amp_stereo);
47fd830a 1293
95a962c3
TI		 1294/**
1295 * snd_hda_codec_amp_init - initialize the AMP value
1296 * @codec: the HDA codec
1297 * @nid: NID to read the AMP value
1298 * @ch: channel (left=0 or right=1)
1299 * @dir: #HDA_INPUT or #HDA_OUTPUT
1300 * @idx: the index value (only for input direction)
1301 * @mask: bit mask to set
1302 * @val: the bits value to set
1303 *
1304 * Works like snd_hda_codec_amp_update() but it writes the value only at
280e57d5
TI		 1305 * the first access. If the amp was already initialized / updated beforehand,
1306 * this does nothing.
1307 */
1308int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
1309 int dir, int idx, int mask, int val)
1310{
eeecd9d1
TI		 1311 int orig;
1312
1313 if (!codec->core.regmap)
1314 return -EINVAL;
1315 regcache_cache_only(codec->core.regmap, true);
1316 orig = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
1317 regcache_cache_only(codec->core.regmap, false);
1318 if (orig >= 0)
1319 return 0;
1320 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx, mask, val);
280e57d5 1321}
2698ea98 1322EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init);
280e57d5 1323
95a962c3
TI		 1324/**
1325 * snd_hda_codec_amp_init_stereo - initialize the stereo AMP value
1326 * @codec: the HDA codec
1327 * @nid: NID to read the AMP value
1328 * @dir: #HDA_INPUT or #HDA_OUTPUT
1329 * @idx: the index value (only for input direction)
1330 * @mask: bit mask to set
1331 * @val: the bits value to set
1332 *
1333 * Call snd_hda_codec_amp_init() for both stereo channels.
1334 */
280e57d5
TI		 1335int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
1336 int dir, int idx, int mask, int val)
1337{
1338 int ch, ret = 0;
1339
1340 if (snd_BUG_ON(mask & ~0xff))
1341 mask &= 0xff;
1342 for (ch = 0; ch < 2; ch++)
1343 ret |= snd_hda_codec_amp_init(codec, nid, ch, dir,
1344 idx, mask, val);
1345 return ret;
1346}
2698ea98 1347EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init_stereo);
280e57d5 1348
afbd9b84
TI		 1349static u32 get_amp_max_value(struct hda_codec *codec, hda_nid_t nid, int dir,
1350 unsigned int ofs)
1351{
1352 u32 caps = query_amp_caps(codec, nid, dir);
1353 /* get num steps */
1354 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1355 if (ofs < caps)
1356 caps -= ofs;
1357 return caps;
1358}
1359
d5191e50
TI		 1360/**
1361 * snd_hda_mixer_amp_volume_info - Info callback for a standard AMP mixer
a11e9b16
TI		 1362 * @kcontrol: referred ctl element
1363 * @uinfo: pointer to get/store the data
d5191e50
TI		 1364 *
1365 * The control element is supposed to have the private_value field
1366 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1367 */
0ba21762
TI		 1368int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
1369 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 1370{
1371 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1372 u16 nid = get_amp_nid(kcontrol);
1373 u8 chs = get_amp_channels(kcontrol);
1374 int dir = get_amp_direction(kcontrol);
29fdbec2 1375 unsigned int ofs = get_amp_offset(kcontrol);
1da177e4 1376
afbd9b84
TI		 1377 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1378 uinfo->count = chs == 3 ? 2 : 1;
1379 uinfo->value.integer.min = 0;
1380 uinfo->value.integer.max = get_amp_max_value(codec, nid, dir, ofs);
1381 if (!uinfo->value.integer.max) {
4e76a883
TI		 1382 codec_warn(codec,
1383 "num_steps = 0 for NID=0x%x (ctl = %s)\n",
1384 nid, kcontrol->id.name);
1da177e4
LT		 1385 return -EINVAL;
1386 }
1da177e4
LT		 1387 return 0;
1388}
2698ea98 1389EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_info);
1da177e4 1390
29fdbec2
TI		 1391
1392static inline unsigned int
1393read_amp_value(struct hda_codec *codec, hda_nid_t nid,
1394 int ch, int dir, int idx, unsigned int ofs)
1395{
1396 unsigned int val;
1397 val = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
1398 val &= HDA_AMP_VOLMASK;
1399 if (val >= ofs)
1400 val -= ofs;
1401 else
1402 val = 0;
1403 return val;
1404}
1405
1406static inline int
1407update_amp_value(struct hda_codec *codec, hda_nid_t nid,
1408 int ch, int dir, int idx, unsigned int ofs,
1409 unsigned int val)
1410{
afbd9b84
TI		 1411 unsigned int maxval;
1412
29fdbec2
TI		 1413 if (val > 0)
1414 val += ofs;
7ccc3efa
TI		 1415 /* ofs = 0: raw max value */
1416 maxval = get_amp_max_value(codec, nid, dir, 0);
afbd9b84
TI		 1417 if (val > maxval)
1418 val = maxval;
eeecd9d1
TI		 1419 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx,
1420 HDA_AMP_VOLMASK, val);
29fdbec2
TI		 1421}
1422
d5191e50
TI		 1423/**
1424 * snd_hda_mixer_amp_volume_get - Get callback for a standard AMP mixer volume
a11e9b16
TI		 1425 * @kcontrol: ctl element
1426 * @ucontrol: pointer to get/store the data
d5191e50
TI		 1427 *
1428 * The control element is supposed to have the private_value field
1429 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1430 */
0ba21762
TI		 1431int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
1432 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1433{
1434 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1435 hda_nid_t nid = get_amp_nid(kcontrol);
1436 int chs = get_amp_channels(kcontrol);
1437 int dir = get_amp_direction(kcontrol);
1438 int idx = get_amp_index(kcontrol);
29fdbec2 1439 unsigned int ofs = get_amp_offset(kcontrol);
1da177e4
LT		 1440 long *valp = ucontrol->value.integer.value;
1441
1442 if (chs & 1)
29fdbec2 1443 *valp++ = read_amp_value(codec, nid, 0, dir, idx, ofs);
1da177e4 1444 if (chs & 2)
29fdbec2 1445 *valp = read_amp_value(codec, nid, 1, dir, idx, ofs);
1da177e4
LT		 1446 return 0;
1447}
2698ea98 1448EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_get);
1da177e4 1449
d5191e50
TI		 1450/**
1451 * snd_hda_mixer_amp_volume_put - Put callback for a standard AMP mixer volume
a11e9b16
TI		 1452 * @kcontrol: ctl element
1453 * @ucontrol: pointer to get/store the data
d5191e50
TI		 1454 *
1455 * The control element is supposed to have the private_value field
1456 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1457 */
0ba21762
TI		 1458int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1459 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1460{
1461 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1462 hda_nid_t nid = get_amp_nid(kcontrol);
1463 int chs = get_amp_channels(kcontrol);
1464 int dir = get_amp_direction(kcontrol);
1465 int idx = get_amp_index(kcontrol);
29fdbec2 1466 unsigned int ofs = get_amp_offset(kcontrol);
1da177e4
LT		 1467 long *valp = ucontrol->value.integer.value;
1468 int change = 0;
1469
b9f5a89c 1470 if (chs & 1) {
29fdbec2 1471 change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp);
b9f5a89c
NG		 1472 valp++;
1473 }
4a19faee 1474 if (chs & 2)
29fdbec2 1475 change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp);
1da177e4
LT		 1476 return change;
1477}
2698ea98 1478EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_put);
1da177e4 1479
d5191e50
TI		 1480/**
1481 * snd_hda_mixer_amp_volume_put - TLV callback for a standard AMP mixer volume
a11e9b16
TI		 1482 * @kcontrol: ctl element
1483 * @op_flag: operation flag
1484 * @size: byte size of input TLV
1485 * @_tlv: TLV data
d5191e50
TI		 1486 *
1487 * The control element is supposed to have the private_value field
1488 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1489 */
302e9c5a
JK		 1490int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1491 unsigned int size, unsigned int __user *_tlv)
1492{
1493 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1494 hda_nid_t nid = get_amp_nid(kcontrol);
1495 int dir = get_amp_direction(kcontrol);
29fdbec2 1496 unsigned int ofs = get_amp_offset(kcontrol);
de8c85f7 1497 bool min_mute = get_amp_min_mute(kcontrol);
302e9c5a
JK		 1498 u32 caps, val1, val2;
1499
1500 if (size < 4 * sizeof(unsigned int))
1501 return -ENOMEM;
1502 caps = query_amp_caps(codec, nid, dir);
0ba21762
TI		 1503 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1504 val2 = (val2 + 1) * 25;
302e9c5a 1505 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
29fdbec2 1506 val1 += ofs;
302e9c5a 1507 val1 = ((int)val1) * ((int)val2);
3868137e 1508 if (min_mute || (caps & AC_AMPCAP_MIN_MUTE))
c08d9169 1509 val2 |= TLV_DB_SCALE_MUTE;
302e9c5a
JK		 1510 if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
1511 return -EFAULT;
1512 if (put_user(2 * sizeof(unsigned int), _tlv + 1))
1513 return -EFAULT;
1514 if (put_user(val1, _tlv + 2))
1515 return -EFAULT;
1516 if (put_user(val2, _tlv + 3))
1517 return -EFAULT;
1518 return 0;
1519}
2698ea98 1520EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_tlv);
302e9c5a 1521
d5191e50
TI		 1522/**
1523 * snd_hda_set_vmaster_tlv - Set TLV for a virtual master control
1524 * @codec: HD-audio codec
1525 * @nid: NID of a reference widget
1526 * @dir: #HDA_INPUT or #HDA_OUTPUT
1527 * @tlv: TLV data to be stored, at least 4 elements
1528 *
1529 * Set (static) TLV data for a virtual master volume using the AMP caps
1530 * obtained from the reference NID.
1531 * The volume range is recalculated as if the max volume is 0dB.
2134ea4f
TI		 1532 */
1533void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1534 unsigned int *tlv)
1535{
1536 u32 caps;
1537 int nums, step;
1538
1539 caps = query_amp_caps(codec, nid, dir);
1540 nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1541 step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1542 step = (step + 1) * 25;
1543 tlv[0] = SNDRV_CTL_TLVT_DB_SCALE;
1544 tlv[1] = 2 * sizeof(unsigned int);
1545 tlv[2] = -nums * step;
1546 tlv[3] = step;
1547}
2698ea98 1548EXPORT_SYMBOL_GPL(snd_hda_set_vmaster_tlv);
2134ea4f
TI		 1549
1550/* find a mixer control element with the given name */
09f99701 1551static struct snd_kcontrol *
dcda5806 1552find_mixer_ctl(struct hda_codec *codec, const char *name, int dev, int idx)
2134ea4f
TI		 1553{
1554 struct snd_ctl_elem_id id;
1555 memset(&id, 0, sizeof(id));
1556 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
dcda5806 1557 id.device = dev;
09f99701 1558 id.index = idx;
18cb7109
TI		 1559 if (snd_BUG_ON(strlen(name) >= sizeof(id.name)))
1560 return NULL;
2134ea4f 1561 strcpy(id.name, name);
6efdd851 1562 return snd_ctl_find_id(codec->card, &id);
2134ea4f
TI		 1563}
1564
d5191e50
TI		 1565/**
1566 * snd_hda_find_mixer_ctl - Find a mixer control element with the given name
1567 * @codec: HD-audio codec
1568 * @name: ctl id name string
1569 *
1570 * Get the control element with the given id string and IFACE_MIXER.
1571 */
09f99701
TI		 1572struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1573 const char *name)
1574{
dcda5806 1575 return find_mixer_ctl(codec, name, 0, 0);
09f99701 1576}
2698ea98 1577EXPORT_SYMBOL_GPL(snd_hda_find_mixer_ctl);
09f99701 1578
dcda5806 1579static int find_empty_mixer_ctl_idx(struct hda_codec *codec, const char *name,
ea9b43ad 1580 int start_idx)
1afe206a 1581{
ea9b43ad
TI		 1582 int i, idx;
1583 /* 16 ctlrs should be large enough */
1584 for (i = 0, idx = start_idx; i < 16; i++, idx++) {
1585 if (!find_mixer_ctl(codec, name, 0, idx))
1afe206a
TI		 1586 return idx;
1587 }
1588 return -EBUSY;
1589}
1590
d5191e50 1591/**
5b0cb1d8 1592 * snd_hda_ctl_add - Add a control element and assign to the codec
d5191e50
TI		 1593 * @codec: HD-audio codec
1594 * @nid: corresponding NID (optional)
1595 * @kctl: the control element to assign
1596 *
1597 * Add the given control element to an array inside the codec instance.
1598 * All control elements belonging to a codec are supposed to be added
1599 * by this function so that a proper clean-up works at the free or
1600 * reconfiguration time.
1601 *
1602 * If non-zero @nid is passed, the NID is assigned to the control element.
1603 * The assignment is shown in the codec proc file.
1604 *
1605 * snd_hda_ctl_add() checks the control subdev id field whether
1606 * #HDA_SUBDEV_NID_FLAG bit is set. If set (and @nid is zero), the lower
9e3fd871
JK		 1607 * bits value is taken as the NID to assign. The #HDA_NID_ITEM_AMP bit
1608 * specifies if kctl->private_value is a HDA amplifier value.
d5191e50 1609 */
3911a4c1
JK		 1610int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
1611 struct snd_kcontrol *kctl)
d13bd412
TI		 1612{
1613 int err;
9e3fd871 1614 unsigned short flags = 0;
3911a4c1 1615 struct hda_nid_item *item;
d13bd412 1616
5e26dfd0 1617 if (kctl->id.subdevice & HDA_SUBDEV_AMP_FLAG) {
9e3fd871 1618 flags |= HDA_NID_ITEM_AMP;
5e26dfd0
JK		 1619 if (nid == 0)
1620 nid = get_amp_nid_(kctl->private_value);
1621 }
9e3fd871
JK		 1622 if ((kctl->id.subdevice & HDA_SUBDEV_NID_FLAG) != 0 && nid == 0)
1623 nid = kctl->id.subdevice & 0xffff;
5e26dfd0 1624 if (kctl->id.subdevice & (HDA_SUBDEV_NID_FLAG|HDA_SUBDEV_AMP_FLAG))
4d02d1b6 1625 kctl->id.subdevice = 0;
6efdd851 1626 err = snd_ctl_add(codec->card, kctl);
d13bd412
TI		 1627 if (err < 0)
1628 return err;
3911a4c1
JK		 1629 item = snd_array_new(&codec->mixers);
1630 if (!item)
d13bd412 1631 return -ENOMEM;
3911a4c1
JK		 1632 item->kctl = kctl;
1633 item->nid = nid;
9e3fd871 1634 item->flags = flags;
d13bd412
TI		 1635 return 0;
1636}
2698ea98 1637EXPORT_SYMBOL_GPL(snd_hda_ctl_add);
d13bd412 1638
5b0cb1d8
JK		 1639/**
1640 * snd_hda_add_nid - Assign a NID to a control element
1641 * @codec: HD-audio codec
1642 * @nid: corresponding NID (optional)
1643 * @kctl: the control element to assign
1644 * @index: index to kctl
1645 *
1646 * Add the given control element to an array inside the codec instance.
1647 * This function is used when #snd_hda_ctl_add cannot be used for 1:1
1648 * NID:KCTL mapping - for example "Capture Source" selector.
1649 */
1650int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
1651 unsigned int index, hda_nid_t nid)
1652{
1653 struct hda_nid_item *item;
1654
1655 if (nid > 0) {
1656 item = snd_array_new(&codec->nids);
1657 if (!item)
1658 return -ENOMEM;
1659 item->kctl = kctl;
1660 item->index = index;
1661 item->nid = nid;
1662 return 0;
1663 }
4e76a883
TI		 1664 codec_err(codec, "no NID for mapping control %s:%d:%d\n",
1665 kctl->id.name, kctl->id.index, index);
5b0cb1d8
JK		 1666 return -EINVAL;
1667}
2698ea98 1668EXPORT_SYMBOL_GPL(snd_hda_add_nid);
5b0cb1d8 1669
d5191e50
TI		 1670/**
1671 * snd_hda_ctls_clear - Clear all controls assigned to the given codec
1672 * @codec: HD-audio codec
1673 */
d13bd412
TI		 1674void snd_hda_ctls_clear(struct hda_codec *codec)
1675{
1676 int i;
3911a4c1 1677 struct hda_nid_item *items = codec->mixers.list;
d13bd412 1678 for (i = 0; i < codec->mixers.used; i++)
6efdd851 1679 snd_ctl_remove(codec->card, items[i].kctl);
d13bd412 1680 snd_array_free(&codec->mixers);
5b0cb1d8 1681 snd_array_free(&codec->nids);
d13bd412
TI		 1682}
1683
95a962c3
TI		 1684/**
1685 * snd_hda_lock_devices - pseudo device locking
1686 * @bus: the BUS
1687 *
a65d629c
TI		 1688 * toggle card->shutdown to allow/disallow the device access (as a hack)
1689 */
d3d020bd 1690int snd_hda_lock_devices(struct hda_bus *bus)
6c1f45ea 1691{
d3d020bd
TI		 1692 struct snd_card *card = bus->card;
1693 struct hda_codec *codec;
1694
a65d629c 1695 spin_lock(&card->files_lock);
d3d020bd
TI		 1696 if (card->shutdown)
1697 goto err_unlock;
a65d629c 1698 card->shutdown = 1;
d3d020bd
TI		 1699 if (!list_empty(&card->ctl_files))
1700 goto err_clear;
1701
d068ebc2 1702 list_for_each_codec(codec, bus) {
bbbc7e85
TI		 1703 struct hda_pcm *cpcm;
1704 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
d3d020bd
TI		 1705 if (!cpcm->pcm)
1706 continue;
1707 if (cpcm->pcm->streams[0].substream_opened ||
1708 cpcm->pcm->streams[1].substream_opened)
1709 goto err_clear;
1710 }
1711 }
a65d629c
TI		 1712 spin_unlock(&card->files_lock);
1713 return 0;
d3d020bd
TI		 1714
1715 err_clear:
1716 card->shutdown = 0;
1717 err_unlock:
1718 spin_unlock(&card->files_lock);
1719 return -EINVAL;
a65d629c 1720}
2698ea98 1721EXPORT_SYMBOL_GPL(snd_hda_lock_devices);
a65d629c 1722
95a962c3
TI		 1723/**
1724 * snd_hda_unlock_devices - pseudo device unlocking
1725 * @bus: the BUS
1726 */
d3d020bd 1727void snd_hda_unlock_devices(struct hda_bus *bus)
a65d629c 1728{
d3d020bd
TI		 1729 struct snd_card *card = bus->card;
1730
a65d629c
TI		 1731 spin_lock(&card->files_lock);
1732 card->shutdown = 0;
1733 spin_unlock(&card->files_lock);
1734}
2698ea98 1735EXPORT_SYMBOL_GPL(snd_hda_unlock_devices);
a65d629c 1736
d5191e50
TI		 1737/**
1738 * snd_hda_codec_reset - Clear all objects assigned to the codec
1739 * @codec: HD-audio codec
1740 *
1741 * This frees the all PCM and control elements assigned to the codec, and
1742 * clears the caches and restores the pin default configurations.
1743 *
1744 * When a device is being used, it returns -EBSY. If successfully freed,
1745 * returns zero.
1746 */
a65d629c
TI		 1747int snd_hda_codec_reset(struct hda_codec *codec)
1748{
d3d020bd 1749 struct hda_bus *bus = codec->bus;
a65d629c 1750
d3d020bd 1751 if (snd_hda_lock_devices(bus) < 0)
a65d629c 1752 return -EBUSY;
a65d629c
TI		 1753
1754 /* OK, let it free */
3256be65 1755 snd_hdac_device_unregister(&codec->core);
d8a766a1 1756
a65d629c 1757 /* allow device access again */
d3d020bd 1758 snd_hda_unlock_devices(bus);
a65d629c 1759 return 0;
6c1f45ea
TI		 1760}
1761
6194b99d 1762typedef int (*map_slave_func_t)(struct hda_codec *, void *, struct snd_kcontrol *);
aeb4b88e
TI		 1763
1764/* apply the function to all matching slave ctls in the mixer list */
1765static int map_slaves(struct hda_codec *codec, const char * const *slaves,
9322ca54 1766 const char *suffix, map_slave_func_t func, void *data)
aeb4b88e
TI		 1767{
1768 struct hda_nid_item *items;
1769 const char * const *s;
1770 int i, err;
1771
1772 items = codec->mixers.list;
1773 for (i = 0; i < codec->mixers.used; i++) {
1774 struct snd_kcontrol *sctl = items[i].kctl;
ca16ec02 1775 if (!sctl || sctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER)
aeb4b88e
TI		 1776 continue;
1777 for (s = slaves; *s; s++) {
9322ca54
TI		 1778 char tmpname[sizeof(sctl->id.name)];
1779 const char *name = *s;
1780 if (suffix) {
1781 snprintf(tmpname, sizeof(tmpname), "%s %s",
1782 name, suffix);
1783 name = tmpname;
1784 }
9322ca54 1785 if (!strcmp(sctl->id.name, name)) {
6194b99d 1786 err = func(codec, data, sctl);
aeb4b88e
TI		 1787 if (err)
1788 return err;
1789 break;
1790 }
1791 }
1792 }
1793 return 0;
1794}
1795
6194b99d
TI		 1796static int check_slave_present(struct hda_codec *codec,
1797 void *data, struct snd_kcontrol *sctl)
aeb4b88e
TI		 1798{
1799 return 1;
1800}
1801
18478e8b 1802/* guess the value corresponding to 0dB */
6194b99d
TI		 1803static int get_kctl_0dB_offset(struct hda_codec *codec,
1804 struct snd_kcontrol *kctl, int *step_to_check)
18478e8b
TI		 1805{
1806 int _tlv[4];
1807 const int *tlv = NULL;
1808 int val = -1;
1809
1810 if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
1811 /* FIXME: set_fs() hack for obtaining user-space TLV data */
1812 mm_segment_t fs = get_fs();
1813 set_fs(get_ds());
1814 if (!kctl->tlv.c(kctl, 0, sizeof(_tlv), _tlv))
1815 tlv = _tlv;
1816 set_fs(fs);
1817 } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ)
1818 tlv = kctl->tlv.p;
a4e7a121
TI		 1819 if (tlv && tlv[0] == SNDRV_CTL_TLVT_DB_SCALE) {
1820 int step = tlv[3];
1821 step &= ~TLV_DB_SCALE_MUTE;
1822 if (!step)
1823 return -1;
485e3e0c 1824 if (*step_to_check && *step_to_check != step) {
6194b99d 1825 codec_err(codec, "Mismatching dB step for vmaster slave (%d!=%d)\n",
4e76a883 1826- *step_to_check, step);
485e3e0c
TI		 1827 return -1;
1828 }
1829 *step_to_check = step;
a4e7a121
TI		 1830 val = -tlv[2] / step;
1831 }
18478e8b
TI		 1832 return val;
1833}
1834
1835/* call kctl->put with the given value(s) */
1836static int put_kctl_with_value(struct snd_kcontrol *kctl, int val)
1837{
1838 struct snd_ctl_elem_value *ucontrol;
1839 ucontrol = kzalloc(sizeof(*ucontrol), GFP_KERNEL);
1840 if (!ucontrol)
1841 return -ENOMEM;
1842 ucontrol->value.integer.value[0] = val;
1843 ucontrol->value.integer.value[1] = val;
1844 kctl->put(kctl, ucontrol);
1845 kfree(ucontrol);
1846 return 0;
1847}
1848
1849/* initialize the slave volume with 0dB */
6194b99d
TI		 1850static int init_slave_0dB(struct hda_codec *codec,
1851 void *data, struct snd_kcontrol *slave)
18478e8b 1852{
6194b99d 1853 int offset = get_kctl_0dB_offset(codec, slave, data);
18478e8b
TI		 1854 if (offset > 0)
1855 put_kctl_with_value(slave, offset);
1856 return 0;
1857}
1858
1859/* unmute the slave */
6194b99d
TI		 1860static int init_slave_unmute(struct hda_codec *codec,
1861 void *data, struct snd_kcontrol *slave)
18478e8b
TI		 1862{
1863 return put_kctl_with_value(slave, 1);
1864}
1865
e8750940
TI		 1866static int add_slave(struct hda_codec *codec,
1867 void *data, struct snd_kcontrol *slave)
1868{
1869 return snd_ctl_add_slave(data, slave);
1870}
1871
d5191e50 1872/**
95a962c3 1873 * __snd_hda_add_vmaster - create a virtual master control and add slaves
d5191e50
TI		 1874 * @codec: HD-audio codec
1875 * @name: vmaster control name
1876 * @tlv: TLV data (optional)
1877 * @slaves: slave control names (optional)
9322ca54 1878 * @suffix: suffix string to each slave name (optional)
18478e8b 1879 * @init_slave_vol: initialize slaves to unmute/0dB
29e5853d 1880 * @ctl_ret: store the vmaster kcontrol in return
d5191e50
TI		 1881 *
1882 * Create a virtual master control with the given name. The TLV data
1883 * must be either NULL or a valid data.
1884 *
1885 * @slaves is a NULL-terminated array of strings, each of which is a
1886 * slave control name. All controls with these names are assigned to
1887 * the new virtual master control.
1888 *
1889 * This function returns zero if successful or a negative error code.
1890 */
18478e8b 1891int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
9322ca54 1892 unsigned int *tlv, const char * const *slaves,
29e5853d
TI		 1893 const char *suffix, bool init_slave_vol,
1894 struct snd_kcontrol **ctl_ret)
2134ea4f
TI		 1895{
1896 struct snd_kcontrol *kctl;
2134ea4f
TI		 1897 int err;
1898
29e5853d
TI		 1899 if (ctl_ret)
1900 *ctl_ret = NULL;
1901
9322ca54 1902 err = map_slaves(codec, slaves, suffix, check_slave_present, NULL);
aeb4b88e 1903 if (err != 1) {
4e76a883 1904 codec_dbg(codec, "No slave found for %s\n", name);
2f085549
TI		 1905 return 0;
1906 }
2134ea4f
TI		 1907 kctl = snd_ctl_make_virtual_master(name, tlv);
1908 if (!kctl)
1909 return -ENOMEM;
3911a4c1 1910 err = snd_hda_ctl_add(codec, 0, kctl);
2134ea4f
TI		 1911 if (err < 0)
1912 return err;
28aedaf7 1913
e8750940 1914 err = map_slaves(codec, slaves, suffix, add_slave, kctl);
aeb4b88e
TI		 1915 if (err < 0)
1916 return err;
18478e8b
TI		 1917
1918 /* init with master mute & zero volume */
1919 put_kctl_with_value(kctl, 0);
485e3e0c
TI		 1920 if (init_slave_vol) {
1921 int step = 0;
18478e8b 1922 map_slaves(codec, slaves, suffix,
485e3e0c
TI		 1923 tlv ? init_slave_0dB : init_slave_unmute, &step);
1924 }
18478e8b 1925
29e5853d
TI		 1926 if (ctl_ret)
1927 *ctl_ret = kctl;
2134ea4f
TI		 1928 return 0;
1929}
2698ea98 1930EXPORT_SYMBOL_GPL(__snd_hda_add_vmaster);
2134ea4f 1931
d2f344b5
TI		 1932/*
1933 * mute-LED control using vmaster
1934 */
1935static int vmaster_mute_mode_info(struct snd_kcontrol *kcontrol,
1936 struct snd_ctl_elem_info *uinfo)
1937{
1938 static const char * const texts[] = {
c86c2d44 1939 "On", "Off", "Follow Master"
d2f344b5 1940 };
d2f344b5 1941
3ff72219 1942 return snd_ctl_enum_info(uinfo, 1, 3, texts);
d2f344b5
TI		 1943}
1944
1945static int vmaster_mute_mode_get(struct snd_kcontrol *kcontrol,
1946 struct snd_ctl_elem_value *ucontrol)
1947{
1948 struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
1949 ucontrol->value.enumerated.item[0] = hook->mute_mode;
1950 return 0;
1951}
1952
1953static int vmaster_mute_mode_put(struct snd_kcontrol *kcontrol,
1954 struct snd_ctl_elem_value *ucontrol)
1955{
1956 struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
1957 unsigned int old_mode = hook->mute_mode;
1958
1959 hook->mute_mode = ucontrol->value.enumerated.item[0];
1960 if (hook->mute_mode > HDA_VMUTE_FOLLOW_MASTER)
1961 hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
1962 if (old_mode == hook->mute_mode)
1963 return 0;
1964 snd_hda_sync_vmaster_hook(hook);
1965 return 1;
1966}
1967
1968static struct snd_kcontrol_new vmaster_mute_mode = {
1969 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1970 .name = "Mute-LED Mode",
1971 .info = vmaster_mute_mode_info,
1972 .get = vmaster_mute_mode_get,
1973 .put = vmaster_mute_mode_put,
1974};
1975
ee52e56e
TI		 1976/* meta hook to call each driver's vmaster hook */
1977static void vmaster_hook(void *private_data, int enabled)
1978{
1979 struct hda_vmaster_mute_hook *hook = private_data;
1980
1981 if (hook->mute_mode != HDA_VMUTE_FOLLOW_MASTER)
1982 enabled = hook->mute_mode;
1983 hook->hook(hook->codec, enabled);
1984}
1985
95a962c3
TI		 1986/**
1987 * snd_hda_add_vmaster_hook - Add a vmaster hook for mute-LED
1988 * @codec: the HDA codec
1989 * @hook: the vmaster hook object
1990 * @expose_enum_ctl: flag to create an enum ctl
1991 *
1992 * Add a mute-LED hook with the given vmaster switch kctl.
1993 * When @expose_enum_ctl is set, "Mute-LED Mode" control is automatically
1994 * created and associated with the given hook.
d2f344b5
TI		 1995 */
1996int snd_hda_add_vmaster_hook(struct hda_codec *codec,
f29735cb
TI		 1997 struct hda_vmaster_mute_hook *hook,
1998 bool expose_enum_ctl)
d2f344b5
TI		 1999{
2000 struct snd_kcontrol *kctl;
2001
2002 if (!hook->hook || !hook->sw_kctl)
2003 return 0;
d2f344b5
TI		 2004 hook->codec = codec;
2005 hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
ee52e56e 2006 snd_ctl_add_vmaster_hook(hook->sw_kctl, vmaster_hook, hook);
f29735cb
TI		 2007 if (!expose_enum_ctl)
2008 return 0;
d2f344b5
TI		 2009 kctl = snd_ctl_new1(&vmaster_mute_mode, hook);
2010 if (!kctl)
2011 return -ENOMEM;
2012 return snd_hda_ctl_add(codec, 0, kctl);
2013}
2698ea98 2014EXPORT_SYMBOL_GPL(snd_hda_add_vmaster_hook);
d2f344b5 2015
95a962c3
TI		 2016/**
2017 * snd_hda_sync_vmaster_hook - Sync vmaster hook
2018 * @hook: the vmaster hook
2019 *
2020 * Call the hook with the current value for synchronization.
2021 * Should be called in init callback.
d2f344b5
TI		 2022 */
2023void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook)
2024{
2025 if (!hook->hook || !hook->codec)
2026 return;
594813ff
TI		 2027 /* don't call vmaster hook in the destructor since it might have
2028 * been already destroyed
2029 */
2030 if (hook->codec->bus->shutdown)
2031 return;
ee52e56e 2032 snd_ctl_sync_vmaster_hook(hook->sw_kctl);
d2f344b5 2033}
2698ea98 2034EXPORT_SYMBOL_GPL(snd_hda_sync_vmaster_hook);
d2f344b5
TI		 2035
2036
d5191e50
TI		 2037/**
2038 * snd_hda_mixer_amp_switch_info - Info callback for a standard AMP mixer switch
a11e9b16
TI		 2039 * @kcontrol: referred ctl element
2040 * @uinfo: pointer to get/store the data
d5191e50
TI		 2041 *
2042 * The control element is supposed to have the private_value field
2043 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2044 */
0ba21762
TI		 2045int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
2046 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 2047{
2048 int chs = get_amp_channels(kcontrol);
2049
2050 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2051 uinfo->count = chs == 3 ? 2 : 1;
2052 uinfo->value.integer.min = 0;
2053 uinfo->value.integer.max = 1;
2054 return 0;
2055}
2698ea98 2056EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_info);
1da177e4 2057
d5191e50
TI		 2058/**
2059 * snd_hda_mixer_amp_switch_get - Get callback for a standard AMP mixer switch
a11e9b16
TI		 2060 * @kcontrol: ctl element
2061 * @ucontrol: pointer to get/store the data
d5191e50
TI		 2062 *
2063 * The control element is supposed to have the private_value field
2064 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2065 */
0ba21762
TI		 2066int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
2067 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2068{
2069 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2070 hda_nid_t nid = get_amp_nid(kcontrol);
2071 int chs = get_amp_channels(kcontrol);
2072 int dir = get_amp_direction(kcontrol);
2073 int idx = get_amp_index(kcontrol);
2074 long *valp = ucontrol->value.integer.value;
2075
2076 if (chs & 1)
0ba21762 2077 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
47fd830a 2078 HDA_AMP_MUTE) ? 0 : 1;
1da177e4 2079 if (chs & 2)
0ba21762 2080 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
47fd830a 2081 HDA_AMP_MUTE) ? 0 : 1;
1da177e4
LT		 2082 return 0;
2083}
2698ea98 2084EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_get);
1da177e4 2085
d5191e50
TI		 2086/**
2087 * snd_hda_mixer_amp_switch_put - Put callback for a standard AMP mixer switch
a11e9b16
TI		 2088 * @kcontrol: ctl element
2089 * @ucontrol: pointer to get/store the data
d5191e50
TI		 2090 *
2091 * The control element is supposed to have the private_value field
2092 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2093 */
0ba21762
TI		 2094int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
2095 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2096{
2097 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2098 hda_nid_t nid = get_amp_nid(kcontrol);
2099 int chs = get_amp_channels(kcontrol);
2100 int dir = get_amp_direction(kcontrol);
2101 int idx = get_amp_index(kcontrol);
1da177e4
LT		 2102 long *valp = ucontrol->value.integer.value;
2103 int change = 0;
2104
b9f5a89c 2105 if (chs & 1) {
eeecd9d1
TI		 2106 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
2107 HDA_AMP_MUTE,
2108 *valp ? 0 : HDA_AMP_MUTE);
b9f5a89c
NG		 2109 valp++;
2110 }
4a19faee 2111 if (chs & 2)
eeecd9d1
TI		 2112 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
2113 HDA_AMP_MUTE,
2114 *valp ? 0 : HDA_AMP_MUTE);
9e5341b9 2115 hda_call_check_power_status(codec, nid);
1da177e4
LT		 2116 return change;
2117}
2698ea98 2118EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put);
1da177e4 2119
985be54b
TI		 2120/*
2121 * bound volume controls
2122 *
2123 * bind multiple volumes (# indices, from 0)
2124 */
2125
2126#define AMP_VAL_IDX_SHIFT 19
2127#define AMP_VAL_IDX_MASK (0x0f<<19)
2128
d5191e50
TI		 2129/**
2130 * snd_hda_mixer_bind_switch_get - Get callback for a bound volume control
a11e9b16
TI		 2131 * @kcontrol: ctl element
2132 * @ucontrol: pointer to get/store the data
d5191e50
TI		 2133 *
2134 * The control element is supposed to have the private_value field
2135 * set up via HDA_BIND_MUTE*() macros.
2136 */
0ba21762
TI		 2137int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
2138 struct snd_ctl_elem_value *ucontrol)
985be54b
TI		 2139{
2140 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2141 unsigned long pval;
2142 int err;
2143
5a9e02e9 2144 mutex_lock(&codec->control_mutex);
985be54b
TI		 2145 pval = kcontrol->private_value;
2146 kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
2147 err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
2148 kcontrol->private_value = pval;
5a9e02e9 2149 mutex_unlock(&codec->control_mutex);
985be54b
TI		 2150 return err;
2151}
2698ea98 2152EXPORT_SYMBOL_GPL(snd_hda_mixer_bind_switch_get);
985be54b 2153
d5191e50
TI		 2154/**
2155 * snd_hda_mixer_bind_switch_put - Put callback for a bound volume control
a11e9b16
TI		 2156 * @kcontrol: ctl element
2157 * @ucontrol: pointer to get/store the data
d5191e50
TI		 2158 *
2159 * The control element is supposed to have the private_value field
2160 * set up via HDA_BIND_MUTE*() macros.
2161 */
0ba21762
TI		 2162int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
2163 struct snd_ctl_elem_value *ucontrol)
985be54b
TI		 2164{
2165 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2166 unsigned long pval;
2167 int i, indices, err = 0, change = 0;
2168
5a9e02e9 2169 mutex_lock(&codec->control_mutex);
985be54b
TI		 2170 pval = kcontrol->private_value;
2171 indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
2172 for (i = 0; i < indices; i++) {
0ba21762
TI		 2173 kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) |
2174 (i << AMP_VAL_IDX_SHIFT);
985be54b
TI		 2175 err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
2176 if (err < 0)
2177 break;
2178 change |= err;
2179 }
2180 kcontrol->private_value = pval;
5a9e02e9 2181 mutex_unlock(&codec->control_mutex);
985be54b
TI		 2182 return err < 0 ? err : change;
2183}
2698ea98 2184EXPORT_SYMBOL_GPL(snd_hda_mixer_bind_switch_put);
985be54b 2185
d5191e50
TI		 2186/**
2187 * snd_hda_mixer_bind_ctls_info - Info callback for a generic bound control
a11e9b16
TI		 2188 * @kcontrol: referred ctl element
2189 * @uinfo: pointer to get/store the data
d5191e50
TI		 2190 *
2191 * The control element is supposed to have the private_value field
2192 * set up via HDA_BIND_VOL() or HDA_BIND_SW() macros.
532d5381
TI		 2193 */
2194int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
2195 struct snd_ctl_elem_info *uinfo)
2196{
2197 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2198 struct hda_bind_ctls *c;
2199 int err;
2200
5a9e02e9 2201 mutex_lock(&codec->control_mutex);
14c65f98 2202 c = (struct hda_bind_ctls *)kcontrol->private_value;
532d5381
TI		 2203 kcontrol->private_value = *c->values;
2204 err = c->ops->info(kcontrol, uinfo);
2205 kcontrol->private_value = (long)c;
5a9e02e9 2206 mutex_unlock(&codec->control_mutex);
532d5381
TI		 2207 return err;
2208}
2698ea98 2209EXPORT_SYMBOL_GPL(snd_hda_mixer_bind_ctls_info);
532d5381 2210
d5191e50
TI		 2211/**
2212 * snd_hda_mixer_bind_ctls_get - Get callback for a generic bound control
a11e9b16
TI		 2213 * @kcontrol: ctl element
2214 * @ucontrol: pointer to get/store the data
d5191e50
TI		 2215 *
2216 * The control element is supposed to have the private_value field
2217 * set up via HDA_BIND_VOL() or HDA_BIND_SW() macros.
2218 */
532d5381
TI		 2219int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
2220 struct snd_ctl_elem_value *ucontrol)
2221{
2222 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2223 struct hda_bind_ctls *c;
2224 int err;
2225
5a9e02e9 2226 mutex_lock(&codec->control_mutex);
14c65f98 2227 c = (struct hda_bind_ctls *)kcontrol->private_value;
532d5381
TI		 2228 kcontrol->private_value = *c->values;
2229 err = c->ops->get(kcontrol, ucontrol);
2230 kcontrol->private_value = (long)c;
5a9e02e9 2231 mutex_unlock(&codec->control_mutex);
532d5381
TI		 2232 return err;
2233}
2698ea98 2234EXPORT_SYMBOL_GPL(snd_hda_mixer_bind_ctls_get);
532d5381 2235
d5191e50
TI		 2236/**
2237 * snd_hda_mixer_bind_ctls_put - Put callback for a generic bound control
a11e9b16
TI		 2238 * @kcontrol: ctl element
2239 * @ucontrol: pointer to get/store the data
d5191e50
TI		 2240 *
2241 * The control element is supposed to have the private_value field
2242 * set up via HDA_BIND_VOL() or HDA_BIND_SW() macros.
2243 */
532d5381
TI		 2244int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
2245 struct snd_ctl_elem_value *ucontrol)
2246{
2247 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2248 struct hda_bind_ctls *c;
2249 unsigned long *vals;
2250 int err = 0, change = 0;
2251
5a9e02e9 2252 mutex_lock(&codec->control_mutex);
14c65f98 2253 c = (struct hda_bind_ctls *)kcontrol->private_value;
532d5381
TI		 2254 for (vals = c->values; *vals; vals++) {
2255 kcontrol->private_value = *vals;
2256 err = c->ops->put(kcontrol, ucontrol);
2257 if (err < 0)
2258 break;
2259 change |= err;
2260 }
2261 kcontrol->private_value = (long)c;
5a9e02e9 2262 mutex_unlock(&codec->control_mutex);
532d5381
TI		 2263 return err < 0 ? err : change;
2264}
2698ea98 2265EXPORT_SYMBOL_GPL(snd_hda_mixer_bind_ctls_put);
532d5381 2266
d5191e50
TI		 2267/**
2268 * snd_hda_mixer_bind_tlv - TLV callback for a generic bound control
a11e9b16
TI		 2269 * @kcontrol: ctl element
2270 * @op_flag: operation flag
2271 * @size: byte size of input TLV
2272 * @tlv: TLV data
d5191e50
TI		 2273 *
2274 * The control element is supposed to have the private_value field
2275 * set up via HDA_BIND_VOL() macro.
2276 */
532d5381
TI		 2277int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
2278 unsigned int size, unsigned int __user *tlv)
2279{
2280 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2281 struct hda_bind_ctls *c;
2282 int err;
2283
5a9e02e9 2284 mutex_lock(&codec->control_mutex);
14c65f98 2285 c = (struct hda_bind_ctls *)kcontrol->private_value;
532d5381
TI		 2286 kcontrol->private_value = *c->values;
2287 err = c->ops->tlv(kcontrol, op_flag, size, tlv);
2288 kcontrol->private_value = (long)c;
5a9e02e9 2289 mutex_unlock(&codec->control_mutex);
532d5381
TI		 2290 return err;
2291}
2698ea98 2292EXPORT_SYMBOL_GPL(snd_hda_mixer_bind_tlv);
532d5381
TI		 2293
2294struct hda_ctl_ops snd_hda_bind_vol = {
2295 .info = snd_hda_mixer_amp_volume_info,
2296 .get = snd_hda_mixer_amp_volume_get,
2297 .put = snd_hda_mixer_amp_volume_put,
2298 .tlv = snd_hda_mixer_amp_tlv
2299};
2698ea98 2300EXPORT_SYMBOL_GPL(snd_hda_bind_vol);
532d5381
TI		 2301
2302struct hda_ctl_ops snd_hda_bind_sw = {
2303 .info = snd_hda_mixer_amp_switch_info,
2304 .get = snd_hda_mixer_amp_switch_get,
2305 .put = snd_hda_mixer_amp_switch_put,
2306 .tlv = snd_hda_mixer_amp_tlv
2307};
2698ea98 2308EXPORT_SYMBOL_GPL(snd_hda_bind_sw);
532d5381 2309
1da177e4
LT		 2310/*
2311 * SPDIF out controls
2312 */
2313
0ba21762
TI		 2314static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
2315 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 2316{
2317 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2318 uinfo->count = 1;
2319 return 0;
2320}
2321
0ba21762
TI		 2322static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
2323 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2324{
2325 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2326 IEC958_AES0_NONAUDIO |
2327 IEC958_AES0_CON_EMPHASIS_5015 |
2328 IEC958_AES0_CON_NOT_COPYRIGHT;
2329 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
2330 IEC958_AES1_CON_ORIGINAL;
2331 return 0;
2332}
2333
0ba21762
TI		 2334static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
2335 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2336{
2337 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2338 IEC958_AES0_NONAUDIO |
2339 IEC958_AES0_PRO_EMPHASIS_5015;
2340 return 0;
2341}
2342
0ba21762
TI		 2343static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
2344 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2345{
2346 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
7c935976 2347 int idx = kcontrol->private_value;
e3245cdd 2348 struct hda_spdif_out *spdif;
1da177e4 2349
e3245cdd
TI		 2350 mutex_lock(&codec->spdif_mutex);
2351 spdif = snd_array_elem(&codec->spdif_out, idx);
7c935976
SW		 2352 ucontrol->value.iec958.status[0] = spdif->status & 0xff;
2353 ucontrol->value.iec958.status[1] = (spdif->status >> 8) & 0xff;
2354 ucontrol->value.iec958.status[2] = (spdif->status >> 16) & 0xff;
2355 ucontrol->value.iec958.status[3] = (spdif->status >> 24) & 0xff;
e3245cdd 2356 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2357
2358 return 0;
2359}
2360
2361/* convert from SPDIF status bits to HDA SPDIF bits
2362 * bit 0 (DigEn) is always set zero (to be filled later)
2363 */
2364static unsigned short convert_from_spdif_status(unsigned int sbits)
2365{
2366 unsigned short val = 0;
2367
2368 if (sbits & IEC958_AES0_PROFESSIONAL)
0ba21762 2369 val |= AC_DIG1_PROFESSIONAL;
1da177e4 2370 if (sbits & IEC958_AES0_NONAUDIO)
0ba21762 2371 val |= AC_DIG1_NONAUDIO;
1da177e4 2372 if (sbits & IEC958_AES0_PROFESSIONAL) {
0ba21762
TI		 2373 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
2374 IEC958_AES0_PRO_EMPHASIS_5015)
2375 val |= AC_DIG1_EMPHASIS;
1da177e4 2376 } else {
0ba21762
TI		 2377 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
2378 IEC958_AES0_CON_EMPHASIS_5015)
2379 val |= AC_DIG1_EMPHASIS;
2380 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
2381 val |= AC_DIG1_COPYRIGHT;
1da177e4 2382 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
0ba21762 2383 val |= AC_DIG1_LEVEL;
1da177e4
LT		 2384 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
2385 }
2386 return val;
2387}
2388
2389/* convert to SPDIF status bits from HDA SPDIF bits
2390 */
2391static unsigned int convert_to_spdif_status(unsigned short val)
2392{
2393 unsigned int sbits = 0;
2394
0ba21762 2395 if (val & AC_DIG1_NONAUDIO)
1da177e4 2396 sbits |= IEC958_AES0_NONAUDIO;
0ba21762 2397 if (val & AC_DIG1_PROFESSIONAL)
1da177e4
LT		 2398 sbits |= IEC958_AES0_PROFESSIONAL;
2399 if (sbits & IEC958_AES0_PROFESSIONAL) {
a686fd14 2400 if (val & AC_DIG1_EMPHASIS)
1da177e4
LT		 2401 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
2402 } else {
0ba21762 2403 if (val & AC_DIG1_EMPHASIS)
1da177e4 2404 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
0ba21762 2405 if (!(val & AC_DIG1_COPYRIGHT))
1da177e4 2406 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
0ba21762 2407 if (val & AC_DIG1_LEVEL)
1da177e4
LT		 2408 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
2409 sbits |= val & (0x7f << 8);
2410 }
2411 return sbits;
2412}
2413
2f72853c
TI		 2414/* set digital convert verbs both for the given NID and its slaves */
2415static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
a551d914 2416 int mask, int val)
2f72853c 2417{
dda14410 2418 const hda_nid_t *d;
2f72853c 2419
a551d914
TI		 2420 snd_hdac_regmap_update(&codec->core, nid, AC_VERB_SET_DIGI_CONVERT_1,
2421 mask, val);
2f72853c
TI		 2422 d = codec->slave_dig_outs;
2423 if (!d)
2424 return;
2425 for (; *d; d++)
7d4b5e97 2426 snd_hdac_regmap_update(&codec->core, *d,
a551d914 2427 AC_VERB_SET_DIGI_CONVERT_1, mask, val);
2f72853c
TI		 2428}
2429
2430static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
2431 int dig1, int dig2)
2432{
a551d914
TI		 2433 unsigned int mask = 0;
2434 unsigned int val = 0;
2435
2436 if (dig1 != -1) {
2437 mask |= 0xff;
2438 val = dig1;
2439 }
2440 if (dig2 != -1) {
2441 mask |= 0xff00;
2442 val |= dig2 << 8;
2443 }
2444 set_dig_out(codec, nid, mask, val);
2f72853c
TI		 2445}
2446
0ba21762
TI		 2447static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
2448 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2449{
2450 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
7c935976 2451 int idx = kcontrol->private_value;
e3245cdd
TI		 2452 struct hda_spdif_out *spdif;
2453 hda_nid_t nid;
1da177e4
LT		 2454 unsigned short val;
2455 int change;
2456
62932df8 2457 mutex_lock(&codec->spdif_mutex);
e3245cdd
TI		 2458 spdif = snd_array_elem(&codec->spdif_out, idx);
2459 nid = spdif->nid;
7c935976 2460 spdif->status = ucontrol->value.iec958.status[0] |
1da177e4
LT		 2461 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
2462 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
2463 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
7c935976
SW		 2464 val = convert_from_spdif_status(spdif->status);
2465 val |= spdif->ctls & 1;
2466 change = spdif->ctls != val;
2467 spdif->ctls = val;
74b654c9 2468 if (change && nid != (u16)-1)
2f72853c 2469 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
62932df8 2470 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2471 return change;
2472}
2473
a5ce8890 2474#define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
1da177e4 2475
0ba21762
TI		 2476static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
2477 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2478{
2479 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
7c935976 2480 int idx = kcontrol->private_value;
e3245cdd 2481 struct hda_spdif_out *spdif;
1da177e4 2482
e3245cdd
TI		 2483 mutex_lock(&codec->spdif_mutex);
2484 spdif = snd_array_elem(&codec->spdif_out, idx);
7c935976 2485 ucontrol->value.integer.value[0] = spdif->ctls & AC_DIG1_ENABLE;
e3245cdd 2486 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2487 return 0;
2488}
2489
74b654c9
SW		 2490static inline void set_spdif_ctls(struct hda_codec *codec, hda_nid_t nid,
2491 int dig1, int dig2)
2492{
2493 set_dig_out_convert(codec, nid, dig1, dig2);
2494 /* unmute amp switch (if any) */
2495 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
2496 (dig1 & AC_DIG1_ENABLE))
2497 snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
2498 HDA_AMP_MUTE, 0);
2499}
2500
0ba21762
TI		 2501static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
2502 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2503{
2504 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
7c935976 2505 int idx = kcontrol->private_value;
e3245cdd
TI		 2506 struct hda_spdif_out *spdif;
2507 hda_nid_t nid;
1da177e4
LT		 2508 unsigned short val;
2509 int change;
2510
62932df8 2511 mutex_lock(&codec->spdif_mutex);
e3245cdd
TI		 2512 spdif = snd_array_elem(&codec->spdif_out, idx);
2513 nid = spdif->nid;
7c935976 2514 val = spdif->ctls & ~AC_DIG1_ENABLE;
1da177e4 2515 if (ucontrol->value.integer.value[0])
0ba21762 2516 val |= AC_DIG1_ENABLE;
7c935976 2517 change = spdif->ctls != val;
74b654c9
SW		 2518 spdif->ctls = val;
2519 if (change && nid != (u16)-1)
2520 set_spdif_ctls(codec, nid, val & 0xff, -1);
62932df8 2521 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2522 return change;
2523}
2524
c8b6bf9b 2525static struct snd_kcontrol_new dig_mixes[] = {
1da177e4
LT		 2526 {
2527 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2528 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
28aedaf7 2529 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
1da177e4
LT		 2530 .info = snd_hda_spdif_mask_info,
2531 .get = snd_hda_spdif_cmask_get,
2532 },
2533 {
2534 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2535 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
28aedaf7 2536 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
1da177e4
LT		 2537 .info = snd_hda_spdif_mask_info,
2538 .get = snd_hda_spdif_pmask_get,
2539 },
2540 {
2541 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
28aedaf7 2542 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1da177e4
LT		 2543 .info = snd_hda_spdif_mask_info,
2544 .get = snd_hda_spdif_default_get,
2545 .put = snd_hda_spdif_default_put,
2546 },
2547 {
2548 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
28aedaf7 2549 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
1da177e4
LT		 2550 .info = snd_hda_spdif_out_switch_info,
2551 .get = snd_hda_spdif_out_switch_get,
2552 .put = snd_hda_spdif_out_switch_put,
2553 },
2554 { } /* end */
2555};
2556
2557/**
dcda5806 2558 * snd_hda_create_dig_out_ctls - create Output SPDIF-related controls
1da177e4 2559 * @codec: the HDA codec
dcda5806
TI		 2560 * @associated_nid: NID that new ctls associated with
2561 * @cvt_nid: converter NID
2562 * @type: HDA_PCM_TYPE_*
2563 * Creates controls related with the digital output.
2564 * Called from each patch supporting the digital out.
1da177e4
LT		 2565 *
2566 * Returns 0 if successful, or a negative error code.
2567 */
dcda5806
TI		 2568int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
2569 hda_nid_t associated_nid,
2570 hda_nid_t cvt_nid,
2571 int type)
1da177e4
LT		 2572{
2573 int err;
c8b6bf9b
TI		 2574 struct snd_kcontrol *kctl;
2575 struct snd_kcontrol_new *dig_mix;
ea9b43ad 2576 int idx = 0;
a551d914 2577 int val = 0;
ea9b43ad 2578 const int spdif_index = 16;
7c935976 2579 struct hda_spdif_out *spdif;
ea9b43ad 2580 struct hda_bus *bus = codec->bus;
1da177e4 2581
ea9b43ad 2582 if (bus->primary_dig_out_type == HDA_PCM_TYPE_HDMI &&
dcda5806 2583 type == HDA_PCM_TYPE_SPDIF) {
ea9b43ad
TI		 2584 idx = spdif_index;
2585 } else if (bus->primary_dig_out_type == HDA_PCM_TYPE_SPDIF &&
dcda5806 2586 type == HDA_PCM_TYPE_HDMI) {
ea9b43ad
TI		 2587 /* suppose a single SPDIF device */
2588 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2589 kctl = find_mixer_ctl(codec, dig_mix->name, 0, 0);
2590 if (!kctl)
2591 break;
2592 kctl->id.index = spdif_index;
dcda5806 2593 }
ea9b43ad 2594 bus->primary_dig_out_type = HDA_PCM_TYPE_HDMI;
dcda5806 2595 }
ea9b43ad
TI		 2596 if (!bus->primary_dig_out_type)
2597 bus->primary_dig_out_type = type;
dcda5806 2598
ea9b43ad 2599 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Playback Switch", idx);
1afe206a 2600 if (idx < 0) {
4e76a883 2601 codec_err(codec, "too many IEC958 outputs\n");
09f99701
TI		 2602 return -EBUSY;
2603 }
7c935976 2604 spdif = snd_array_new(&codec->spdif_out);
25336e8a
ML		 2605 if (!spdif)
2606 return -ENOMEM;
1da177e4
LT		 2607 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2608 kctl = snd_ctl_new1(dig_mix, codec);
b91f080f
TI		 2609 if (!kctl)
2610 return -ENOMEM;
09f99701 2611 kctl->id.index = idx;
7c935976 2612 kctl->private_value = codec->spdif_out.used - 1;
74b654c9 2613 err = snd_hda_ctl_add(codec, associated_nid, kctl);
0ba21762 2614 if (err < 0)
1da177e4
LT		 2615 return err;
2616 }
74b654c9 2617 spdif->nid = cvt_nid;
a551d914
TI		 2618 snd_hdac_regmap_read(&codec->core, cvt_nid,
2619 AC_VERB_GET_DIGI_CONVERT_1, &val);
2620 spdif->ctls = val;
7c935976 2621 spdif->status = convert_to_spdif_status(spdif->ctls);
1da177e4
LT		 2622 return 0;
2623}
2698ea98 2624EXPORT_SYMBOL_GPL(snd_hda_create_dig_out_ctls);
1da177e4 2625
95a962c3
TI		 2626/**
2627 * snd_hda_spdif_out_of_nid - get the hda_spdif_out entry from the given NID
2628 * @codec: the HDA codec
2629 * @nid: widget NID
2630 *
e3245cdd
TI		 2631 * call within spdif_mutex lock
2632 */
7c935976
SW		 2633struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
2634 hda_nid_t nid)
2635{
2636 int i;
2637 for (i = 0; i < codec->spdif_out.used; i++) {
2638 struct hda_spdif_out *spdif =
2639 snd_array_elem(&codec->spdif_out, i);
2640 if (spdif->nid == nid)
2641 return spdif;
2642 }
2643 return NULL;
2644}
2698ea98 2645EXPORT_SYMBOL_GPL(snd_hda_spdif_out_of_nid);
7c935976 2646
95a962c3
TI		 2647/**
2648 * snd_hda_spdif_ctls_unassign - Unassign the given SPDIF ctl
2649 * @codec: the HDA codec
2650 * @idx: the SPDIF ctl index
2651 *
2652 * Unassign the widget from the given SPDIF control.
2653 */
74b654c9
SW		 2654void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx)
2655{
e3245cdd 2656 struct hda_spdif_out *spdif;
74b654c9
SW		 2657
2658 mutex_lock(&codec->spdif_mutex);
e3245cdd 2659 spdif = snd_array_elem(&codec->spdif_out, idx);
74b654c9
SW		 2660 spdif->nid = (u16)-1;
2661 mutex_unlock(&codec->spdif_mutex);
2662}
2698ea98 2663EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_unassign);
74b654c9 2664
95a962c3
TI		 2665/**
2666 * snd_hda_spdif_ctls_assign - Assign the SPDIF controls to the given NID
2667 * @codec: the HDA codec
2668 * @idx: the SPDIF ctl idx
2669 * @nid: widget NID
2670 *
2671 * Assign the widget to the SPDIF control with the given index.
2672 */
74b654c9
SW		 2673void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid)
2674{
e3245cdd 2675 struct hda_spdif_out *spdif;
74b654c9
SW		 2676 unsigned short val;
2677
2678 mutex_lock(&codec->spdif_mutex);
e3245cdd 2679 spdif = snd_array_elem(&codec->spdif_out, idx);
74b654c9
SW		 2680 if (spdif->nid != nid) {
2681 spdif->nid = nid;
2682 val = spdif->ctls;
2683 set_spdif_ctls(codec, nid, val & 0xff, (val >> 8) & 0xff);
2684 }
2685 mutex_unlock(&codec->spdif_mutex);
2686}
2698ea98 2687EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_assign);
74b654c9 2688
9a08160b
TI		 2689/*
2690 * SPDIF sharing with analog output
2691 */
2692static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
2693 struct snd_ctl_elem_value *ucontrol)
2694{
2695 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2696 ucontrol->value.integer.value[0] = mout->share_spdif;
2697 return 0;
2698}
2699
2700static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
2701 struct snd_ctl_elem_value *ucontrol)
2702{
2703 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2704 mout->share_spdif = !!ucontrol->value.integer.value[0];
2705 return 0;
2706}
2707
2708static struct snd_kcontrol_new spdif_share_sw = {
2709 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2710 .name = "IEC958 Default PCM Playback Switch",
2711 .info = snd_ctl_boolean_mono_info,
2712 .get = spdif_share_sw_get,
2713 .put = spdif_share_sw_put,
2714};
2715
d5191e50
TI		 2716/**
2717 * snd_hda_create_spdif_share_sw - create Default PCM switch
2718 * @codec: the HDA codec
2719 * @mout: multi-out instance
2720 */
9a08160b
TI		 2721int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
2722 struct hda_multi_out *mout)
2723{
4c7a548a
ML		 2724 struct snd_kcontrol *kctl;
2725
9a08160b
TI		 2726 if (!mout->dig_out_nid)
2727 return 0;
4c7a548a
ML		 2728
2729 kctl = snd_ctl_new1(&spdif_share_sw, mout);
2730 if (!kctl)
2731 return -ENOMEM;
9a08160b 2732 /* ATTENTION: here mout is passed as private_data, instead of codec */
4c7a548a 2733 return snd_hda_ctl_add(codec, mout->dig_out_nid, kctl);
9a08160b 2734}
2698ea98 2735EXPORT_SYMBOL_GPL(snd_hda_create_spdif_share_sw);
9a08160b 2736
1da177e4
LT		 2737/*
2738 * SPDIF input
2739 */
2740
2741#define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
2742
0ba21762
TI		 2743static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
2744 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2745{
2746 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2747
2748 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
2749 return 0;
2750}
2751
0ba21762
TI		 2752static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
2753 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2754{
2755 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2756 hda_nid_t nid = kcontrol->private_value;
2757 unsigned int val = !!ucontrol->value.integer.value[0];
2758 int change;
2759
62932df8 2760 mutex_lock(&codec->spdif_mutex);
1da177e4 2761 change = codec->spdif_in_enable != val;
82beb8fd 2762 if (change) {
1da177e4 2763 codec->spdif_in_enable = val;
a551d914
TI		 2764 snd_hdac_regmap_write(&codec->core, nid,
2765 AC_VERB_SET_DIGI_CONVERT_1, val);
1da177e4 2766 }
62932df8 2767 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2768 return change;
2769}
2770
0ba21762
TI		 2771static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
2772 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2773{
2774 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2775 hda_nid_t nid = kcontrol->private_value;
a551d914 2776 unsigned int val;
1da177e4
LT		 2777 unsigned int sbits;
2778
a551d914
TI		 2779 snd_hdac_regmap_read(&codec->core, nid,
2780 AC_VERB_GET_DIGI_CONVERT_1, &val);
1da177e4
LT		 2781 sbits = convert_to_spdif_status(val);
2782 ucontrol->value.iec958.status[0] = sbits;
2783 ucontrol->value.iec958.status[1] = sbits >> 8;
2784 ucontrol->value.iec958.status[2] = sbits >> 16;
2785 ucontrol->value.iec958.status[3] = sbits >> 24;
2786 return 0;
2787}
2788
c8b6bf9b 2789static struct snd_kcontrol_new dig_in_ctls[] = {
1da177e4
LT		 2790 {
2791 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
28aedaf7 2792 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, SWITCH),
1da177e4
LT		 2793 .info = snd_hda_spdif_in_switch_info,
2794 .get = snd_hda_spdif_in_switch_get,
2795 .put = snd_hda_spdif_in_switch_put,
2796 },
2797 {
2798 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2799 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
28aedaf7 2800 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
1da177e4
LT		 2801 .info = snd_hda_spdif_mask_info,
2802 .get = snd_hda_spdif_in_status_get,
2803 },
2804 { } /* end */
2805};
2806
2807/**
2808 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
2809 * @codec: the HDA codec
2810 * @nid: audio in widget NID
2811 *
2812 * Creates controls related with the SPDIF input.
2813 * Called from each patch supporting the SPDIF in.
2814 *
2815 * Returns 0 if successful, or a negative error code.
2816 */
12f288bf 2817int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
1da177e4
LT		 2818{
2819 int err;
c8b6bf9b
TI		 2820 struct snd_kcontrol *kctl;
2821 struct snd_kcontrol_new *dig_mix;
09f99701 2822 int idx;
1da177e4 2823
dcda5806 2824 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Capture Switch", 0);
1afe206a 2825 if (idx < 0) {
4e76a883 2826 codec_err(codec, "too many IEC958 inputs\n");
09f99701
TI		 2827 return -EBUSY;
2828 }
1da177e4
LT		 2829 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
2830 kctl = snd_ctl_new1(dig_mix, codec);
c8dcdf82
TI		 2831 if (!kctl)
2832 return -ENOMEM;
1da177e4 2833 kctl->private_value = nid;
3911a4c1 2834 err = snd_hda_ctl_add(codec, nid, kctl);
0ba21762 2835 if (err < 0)
1da177e4
LT		 2836 return err;
2837 }
0ba21762 2838 codec->spdif_in_enable =
3982d17e
AP		 2839 snd_hda_codec_read(codec, nid, 0,
2840 AC_VERB_GET_DIGI_CONVERT_1, 0) &
0ba21762 2841 AC_DIG1_ENABLE;
1da177e4
LT		 2842 return 0;
2843}
2698ea98 2844EXPORT_SYMBOL_GPL(snd_hda_create_spdif_in_ctls);
1da177e4 2845
95a962c3
TI		 2846/**
2847 * snd_hda_codec_set_power_to_all - Set the power state to all widgets
2848 * @codec: the HDA codec
2849 * @fg: function group (not used now)
2850 * @power_state: the power state to set (AC_PWRST_*)
2851 *
2852 * Set the given power state to all widgets that have the power control.
2853 * If the codec has power_filter set, it evaluates the power state and
2854 * filter out if it's unchanged as D3.
2855 */
4d7fbdbc 2856void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
9419ab6b 2857 unsigned int power_state)
54d17403 2858{
7639a06c 2859 hda_nid_t nid;
54d17403 2860
7639a06c 2861 for_each_hda_codec_node(nid, codec) {
7eba5c9d 2862 unsigned int wcaps = get_wcaps(codec, nid);
9419ab6b 2863 unsigned int state = power_state;
4d7fbdbc
TI		 2864 if (!(wcaps & AC_WCAP_POWER))
2865 continue;
9419ab6b
TI		 2866 if (codec->power_filter) {
2867 state = codec->power_filter(codec, nid, power_state);
2868 if (state != power_state && power_state == AC_PWRST_D3)
4d7fbdbc 2869 continue;
1194b5b7 2870 }
4d7fbdbc 2871 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
9419ab6b 2872 state);
54d17403 2873 }
cb53c626 2874}
2698ea98 2875EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_to_all);
4d7fbdbc 2876
432c641e
TI		 2877/*
2878 * wait until the state is reached, returns the current state
2879 */
2880static unsigned int hda_sync_power_state(struct hda_codec *codec,
2881 hda_nid_t fg,
2882 unsigned int power_state)
2883{
2884 unsigned long end_time = jiffies + msecs_to_jiffies(500);
2885 unsigned int state, actual_state;
2886
2887 for (;;) {
2888 state = snd_hda_codec_read(codec, fg, 0,
2889 AC_VERB_GET_POWER_STATE, 0);
2890 if (state & AC_PWRST_ERROR)
2891 break;
2892 actual_state = (state >> 4) & 0x0f;
2893 if (actual_state == power_state)
2894 break;
2895 if (time_after_eq(jiffies, end_time))
2896 break;
2897 /* wait until the codec reachs to the target state */
2898 msleep(1);
2899 }
2900 return state;
2901}
2902
95a962c3
TI		 2903/**
2904 * snd_hda_codec_eapd_power_filter - A power filter callback for EAPD
2905 * @codec: the HDA codec
2906 * @nid: widget NID
2907 * @power_state: power state to evalue
2908 *
2909 * Don't power down the widget if it controls eapd and EAPD_BTLENABLE is set.
2910 * This can be used a codec power_filter callback.
2911 */
ba615b86
TI		 2912unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
2913 hda_nid_t nid,
2914 unsigned int power_state)
9419ab6b 2915{
7639a06c 2916 if (nid == codec->core.afg || nid == codec->core.mfg)
dfc6e469 2917 return power_state;
9419ab6b
TI		 2918 if (power_state == AC_PWRST_D3 &&
2919 get_wcaps_type(get_wcaps(codec, nid)) == AC_WID_PIN &&
2920 (snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_EAPD)) {
2921 int eapd = snd_hda_codec_read(codec, nid, 0,
2922 AC_VERB_GET_EAPD_BTLENABLE, 0);
2923 if (eapd & 0x02)
2924 return AC_PWRST_D0;
2925 }
2926 return power_state;
2927}
2698ea98 2928EXPORT_SYMBOL_GPL(snd_hda_codec_eapd_power_filter);
9419ab6b 2929
4d7fbdbc 2930/*
08fa20ae 2931 * set power state of the codec, and return the power state
4d7fbdbc 2932 */
d819387e 2933static unsigned int hda_set_power_state(struct hda_codec *codec,
08fa20ae 2934 unsigned int power_state)
4d7fbdbc 2935{
7639a06c 2936 hda_nid_t fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
09617ce4
WX		 2937 int count;
2938 unsigned int state;
63e51fd7 2939 int flags = 0;
09617ce4 2940
4d7fbdbc 2941 /* this delay seems necessary to avoid click noise at power-down */
0f4ccbb0 2942 if (power_state == AC_PWRST_D3) {
7f132927 2943 if (codec->depop_delay < 0)
7639a06c 2944 msleep(codec_has_epss(codec) ? 10 : 100);
7f132927
ML		 2945 else if (codec->depop_delay > 0)
2946 msleep(codec->depop_delay);
63e51fd7 2947 flags = HDA_RW_NO_RESPONSE_FALLBACK;
0f4ccbb0 2948 }
09617ce4
WX		 2949
2950 /* repeat power states setting at most 10 times*/
2951 for (count = 0; count < 10; count++) {
432c641e
TI		 2952 if (codec->patch_ops.set_power_state)
2953 codec->patch_ops.set_power_state(codec, fg,
2954 power_state);
2955 else {
dfc6e469
TI		 2956 state = power_state;
2957 if (codec->power_filter)
2958 state = codec->power_filter(codec, fg, state);
2959 if (state == power_state || power_state != AC_PWRST_D3)
2960 snd_hda_codec_read(codec, fg, flags,
2961 AC_VERB_SET_POWER_STATE,
2962 state);
9419ab6b 2963 snd_hda_codec_set_power_to_all(codec, fg, power_state);
432c641e
TI		 2964 }
2965 state = hda_sync_power_state(codec, fg, power_state);
09617ce4
WX		 2966 if (!(state & AC_PWRST_ERROR))
2967 break;
2968 }
b8dfc462 2969
08fa20ae 2970 return state;
4d7fbdbc 2971}
cb53c626 2972
b9c590bb
TI		 2973/* sync power states of all widgets;
2974 * this is called at the end of codec parsing
2975 */
2976static void sync_power_up_states(struct hda_codec *codec)
2977{
7639a06c 2978 hda_nid_t nid;
b9c590bb 2979
ba615b86
TI		 2980 /* don't care if no filter is used */
2981 if (!codec->power_filter)
b9c590bb
TI		 2982 return;
2983
7639a06c 2984 for_each_hda_codec_node(nid, codec) {
b9c590bb 2985 unsigned int wcaps = get_wcaps(codec, nid);
9040d102 2986 unsigned int target;
b9c590bb
TI		 2987 if (!(wcaps & AC_WCAP_POWER))
2988 continue;
2989 target = codec->power_filter(codec, nid, AC_PWRST_D0);
2990 if (target == AC_PWRST_D0)
2991 continue;
9040d102 2992 if (!snd_hda_check_power_state(codec, nid, target))
b9c590bb
TI		 2993 snd_hda_codec_write(codec, nid, 0,
2994 AC_VERB_SET_POWER_STATE, target);
2995 }
2996}
2997
648a8d27 2998#ifdef CONFIG_SND_HDA_RECONFIG
11aeff08
TI		 2999/* execute additional init verbs */
3000static void hda_exec_init_verbs(struct hda_codec *codec)
3001{
3002 if (codec->init_verbs.list)
3003 snd_hda_sequence_write(codec, codec->init_verbs.list);
3004}
3005#else
3006static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
3007#endif
3008
2a43952a 3009#ifdef CONFIG_PM
cc72da7d
TI		 3010/* update the power on/off account with the current jiffies */
3011static void update_power_acct(struct hda_codec *codec, bool on)
3012{
3013 unsigned long delta = jiffies - codec->power_jiffies;
3014
3015 if (on)
3016 codec->power_on_acct += delta;
3017 else
3018 codec->power_off_acct += delta;
3019 codec->power_jiffies += delta;
3020}
3021
3022void snd_hda_update_power_acct(struct hda_codec *codec)
3023{
3024 update_power_acct(codec, hda_codec_is_power_on(codec));
3025}
3026
cb53c626
TI		 3027/*
3028 * call suspend and power-down; used both from PM and power-save
08fa20ae 3029 * this function returns the power state in the end
cb53c626 3030 */
cc72da7d 3031static unsigned int hda_call_codec_suspend(struct hda_codec *codec)
cb53c626 3032{
08fa20ae
TI		 3033 unsigned int state;
3034
7639a06c 3035 atomic_inc(&codec->core.in_pm);
989c3187 3036
cb53c626 3037 if (codec->patch_ops.suspend)
68cb2b55 3038 codec->patch_ops.suspend(codec);
eb541337 3039 hda_cleanup_all_streams(codec);
d819387e 3040 state = hda_set_power_state(codec, AC_PWRST_D3);
cc72da7d 3041 update_power_acct(codec, true);
7639a06c 3042 atomic_dec(&codec->core.in_pm);
08fa20ae 3043 return state;
54d17403
TI		 3044}
3045
cb53c626
TI		 3046/*
3047 * kick up codec; used both from PM and power-save
3048 */
3049static void hda_call_codec_resume(struct hda_codec *codec)
3050{
7639a06c 3051 atomic_inc(&codec->core.in_pm);
989c3187 3052
eeecd9d1
TI		 3053 if (codec->core.regmap)
3054 regcache_mark_dirty(codec->core.regmap);
3055
cc72da7d 3056 codec->power_jiffies = jiffies;
cc72da7d 3057
d819387e 3058 hda_set_power_state(codec, AC_PWRST_D0);
ac0547dc 3059 restore_shutup_pins(codec);
11aeff08 3060 hda_exec_init_verbs(codec);
31614bb8 3061 snd_hda_jack_set_dirty_all(codec);
cb53c626
TI		 3062 if (codec->patch_ops.resume)
3063 codec->patch_ops.resume(codec);
3064 else {
9d99f312
TI		 3065 if (codec->patch_ops.init)
3066 codec->patch_ops.init(codec);
eeecd9d1
TI		 3067 if (codec->core.regmap)
3068 regcache_sync(codec->core.regmap);
cb53c626 3069 }
26a6cb6c
DH		 3070
3071 if (codec->jackpoll_interval)
3072 hda_jackpoll_work(&codec->jackpoll_work.work);
31614bb8 3073 else
26a6cb6c 3074 snd_hda_jack_report_sync(codec);
7639a06c 3075 atomic_dec(&codec->core.in_pm);
cb53c626 3076}
59ed1ead 3077
cc72da7d 3078static int hda_codec_runtime_suspend(struct device *dev)
59ed1ead
TI		 3079{
3080 struct hda_codec *codec = dev_to_hda_codec(dev);
bbbc7e85 3081 struct hda_pcm *pcm;
cc72da7d 3082 unsigned int state;
59ed1ead
TI		 3083
3084 cancel_delayed_work_sync(&codec->jackpoll_work);
bbbc7e85
TI		 3085 list_for_each_entry(pcm, &codec->pcm_list_head, list)
3086 snd_pcm_suspend_all(pcm->pcm);
cc72da7d 3087 state = hda_call_codec_suspend(codec);
7639a06c
TI		 3088 if (codec_has_clkstop(codec) && codec_has_epss(codec) &&
3089 (state & AC_PWRST_CLK_STOP_OK))
3090 snd_hdac_codec_link_down(&codec->core);
a5e7e07c 3091 snd_hdac_link_power(&codec->core, false);
59ed1ead
TI		 3092 return 0;
3093}
3094
cc72da7d 3095static int hda_codec_runtime_resume(struct device *dev)
59ed1ead 3096{
55ed9cd1
TI		 3097 struct hda_codec *codec = dev_to_hda_codec(dev);
3098
a5e7e07c 3099 snd_hdac_link_power(&codec->core, true);
7639a06c 3100 snd_hdac_codec_link_up(&codec->core);
55ed9cd1 3101 hda_call_codec_resume(codec);
cc72da7d 3102 pm_runtime_mark_last_busy(dev);
59ed1ead
TI		 3103 return 0;
3104}
2a43952a 3105#endif /* CONFIG_PM */
cb53c626 3106
59ed1ead
TI		 3107/* referred in hda_bind.c */
3108const struct dev_pm_ops hda_codec_driver_pm = {
cc72da7d
TI		 3109 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
3110 pm_runtime_force_resume)
3111 SET_RUNTIME_PM_OPS(hda_codec_runtime_suspend, hda_codec_runtime_resume,
3112 NULL)
59ed1ead 3113};
54d17403 3114
9c9a5175
TI		 3115/*
3116 * add standard channel maps if not specified
3117 */
3118static int add_std_chmaps(struct hda_codec *codec)
3119{
bbbc7e85
TI		 3120 struct hda_pcm *pcm;
3121 int str, err;
9c9a5175 3122
bbbc7e85 3123 list_for_each_entry(pcm, &codec->pcm_list_head, list) {
9c9a5175 3124 for (str = 0; str < 2; str++) {
bbbc7e85 3125 struct hda_pcm_stream *hinfo = &pcm->stream[str];
9c9a5175 3126 struct snd_pcm_chmap *chmap;
ee81abb6 3127 const struct snd_pcm_chmap_elem *elem;
9c9a5175 3128
b25cf30a 3129 if (!pcm->pcm || pcm->own_chmap || !hinfo->substreams)
9c9a5175 3130 continue;
ee81abb6 3131 elem = hinfo->chmap ? hinfo->chmap : snd_pcm_std_chmaps;
bbbc7e85 3132 err = snd_pcm_add_chmap_ctls(pcm->pcm, str, elem,
9c9a5175
TI		 3133 hinfo->channels_max,
3134 0, &chmap);
3135 if (err < 0)
3136 return err;
3137 chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
3138 }
3139 }
3140 return 0;
3141}
3142
ee81abb6
TI		 3143/* default channel maps for 2.1 speakers;
3144 * since HD-audio supports only stereo, odd number channels are omitted
3145 */
3146const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[] = {
3147 { .channels = 2,
3148 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
3149 { .channels = 4,
3150 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR,
3151 SNDRV_CHMAP_LFE, SNDRV_CHMAP_LFE } },
3152 { }
3153};
3154EXPORT_SYMBOL_GPL(snd_pcm_2_1_chmaps);
3155
6c1f45ea
TI		 3156int snd_hda_codec_build_controls(struct hda_codec *codec)
3157{
3158 int err = 0;
11aeff08 3159 hda_exec_init_verbs(codec);
6c1f45ea
TI		 3160 /* continue to initialize... */
3161 if (codec->patch_ops.init)
3162 err = codec->patch_ops.init(codec);
3163 if (!err && codec->patch_ops.build_controls)
3164 err = codec->patch_ops.build_controls(codec);
6c1f45ea
TI		 3165 if (err < 0)
3166 return err;
9c9a5175
TI		 3167
3168 /* we create chmaps here instead of build_pcms */
3169 err = add_std_chmaps(codec);
3170 if (err < 0)
3171 return err;
3172
26a6cb6c
DH		 3173 if (codec->jackpoll_interval)
3174 hda_jackpoll_work(&codec->jackpoll_work.work);
3175 else
3176 snd_hda_jack_report_sync(codec); /* call at the last init point */
b9c590bb 3177 sync_power_up_states(codec);
1da177e4
LT		 3178 return 0;
3179}
3180
1da177e4
LT		 3181/*
3182 * PCM stuff
3183 */
3184static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
3185 struct hda_codec *codec,
c8b6bf9b 3186 struct snd_pcm_substream *substream)
1da177e4
LT		 3187{
3188 return 0;
3189}
3190
3191static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
3192 struct hda_codec *codec,
3193 unsigned int stream_tag,
3194 unsigned int format,
c8b6bf9b 3195 struct snd_pcm_substream *substream)
1da177e4
LT		 3196{
3197 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
3198 return 0;
3199}
3200
3201static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
3202 struct hda_codec *codec,
c8b6bf9b 3203 struct snd_pcm_substream *substream)
1da177e4 3204{
888afa15 3205 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
1da177e4
LT		 3206 return 0;
3207}
3208
6c1f45ea
TI		 3209static int set_pcm_default_values(struct hda_codec *codec,
3210 struct hda_pcm_stream *info)
1da177e4 3211{
ee504710
JK		 3212 int err;
3213
0ba21762
TI		 3214 /* query support PCM information from the given NID */
3215 if (info->nid && (!info->rates || !info->formats)) {
ee504710 3216 err = snd_hda_query_supported_pcm(codec, info->nid,
0ba21762
TI		 3217 info->rates ? NULL : &info->rates,
3218 info->formats ? NULL : &info->formats,
3219 info->maxbps ? NULL : &info->maxbps);
ee504710
JK		 3220 if (err < 0)
3221 return err;
1da177e4
LT		 3222 }
3223 if (info->ops.open == NULL)
3224 info->ops.open = hda_pcm_default_open_close;
3225 if (info->ops.close == NULL)
3226 info->ops.close = hda_pcm_default_open_close;
3227 if (info->ops.prepare == NULL) {
da3cec35
TI		 3228 if (snd_BUG_ON(!info->nid))
3229 return -EINVAL;
1da177e4
LT		 3230 info->ops.prepare = hda_pcm_default_prepare;
3231 }
1da177e4 3232 if (info->ops.cleanup == NULL) {
da3cec35
TI		 3233 if (snd_BUG_ON(!info->nid))
3234 return -EINVAL;
1da177e4
LT		 3235 info->ops.cleanup = hda_pcm_default_cleanup;
3236 }
3237 return 0;
3238}
3239
eb541337
TI		 3240/*
3241 * codec prepare/cleanup entries
3242 */
95a962c3
TI		 3243/**
3244 * snd_hda_codec_prepare - Prepare a stream
3245 * @codec: the HDA codec
3246 * @hinfo: PCM information
3247 * @stream: stream tag to assign
3248 * @format: format id to assign
3249 * @substream: PCM substream to assign
3250 *
3251 * Calls the prepare callback set by the codec with the given arguments.
3252 * Clean up the inactive streams when successful.
3253 */
eb541337
TI		 3254int snd_hda_codec_prepare(struct hda_codec *codec,
3255 struct hda_pcm_stream *hinfo,
3256 unsigned int stream,
3257 unsigned int format,
3258 struct snd_pcm_substream *substream)
3259{
3260 int ret;
3f50ac6a 3261 mutex_lock(&codec->bus->prepare_mutex);
61ca4107
TI		 3262 if (hinfo->ops.prepare)
3263 ret = hinfo->ops.prepare(hinfo, codec, stream, format,
3264 substream);
3265 else
3266 ret = -ENODEV;
eb541337
TI		 3267 if (ret >= 0)
3268 purify_inactive_streams(codec);
3f50ac6a 3269 mutex_unlock(&codec->bus->prepare_mutex);
eb541337
TI		 3270 return ret;
3271}
2698ea98 3272EXPORT_SYMBOL_GPL(snd_hda_codec_prepare);
eb541337 3273
95a962c3
TI		 3274/**
3275 * snd_hda_codec_cleanup - Prepare a stream
3276 * @codec: the HDA codec
3277 * @hinfo: PCM information
3278 * @substream: PCM substream
3279 *
3280 * Calls the cleanup callback set by the codec with the given arguments.
3281 */
eb541337
TI		 3282void snd_hda_codec_cleanup(struct hda_codec *codec,
3283 struct hda_pcm_stream *hinfo,
3284 struct snd_pcm_substream *substream)
3285{
3f50ac6a 3286 mutex_lock(&codec->bus->prepare_mutex);
61ca4107
TI		 3287 if (hinfo->ops.cleanup)
3288 hinfo->ops.cleanup(hinfo, codec, substream);
3f50ac6a 3289 mutex_unlock(&codec->bus->prepare_mutex);
eb541337 3290}
2698ea98 3291EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup);
eb541337 3292
d5191e50 3293/* global */
e3303235
JK		 3294const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = {
3295 "Audio", "SPDIF", "HDMI", "Modem"
3296};
3297
529bd6c4
TI		 3298/*
3299 * get the empty PCM device number to assign
3300 */
36bb00d4 3301static int get_empty_pcm_device(struct hda_bus *bus, unsigned int type)
529bd6c4 3302{
f5d6def5 3303 /* audio device indices; not linear to keep compatibility */
36bb00d4
TI		 3304 /* assigned to static slots up to dev#10; if more needed, assign
3305 * the later slot dynamically (when CONFIG_SND_DYNAMIC_MINORS=y)
3306 */
f5d6def5
WF		 3307 static int audio_idx[HDA_PCM_NTYPES][5] = {
3308 [HDA_PCM_TYPE_AUDIO] = { 0, 2, 4, 5, -1 },
3309 [HDA_PCM_TYPE_SPDIF] = { 1, -1 },
92608bad 3310 [HDA_PCM_TYPE_HDMI] = { 3, 7, 8, 9, -1 },
f5d6def5 3311 [HDA_PCM_TYPE_MODEM] = { 6, -1 },
529bd6c4 3312 };
f5d6def5
WF		 3313 int i;
3314
3315 if (type >= HDA_PCM_NTYPES) {
4e76a883 3316 dev_err(bus->card->dev, "Invalid PCM type %d\n", type);
529bd6c4
TI		 3317 return -EINVAL;
3318 }
f5d6def5 3319
36bb00d4
TI		 3320 for (i = 0; audio_idx[type][i] >= 0; i++) {
3321#ifndef CONFIG_SND_DYNAMIC_MINORS
3322 if (audio_idx[type][i] >= 8)
3323 break;
3324#endif
f5d6def5
WF		 3325 if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits))
3326 return audio_idx[type][i];
36bb00d4 3327 }
f5d6def5 3328
36bb00d4 3329#ifdef CONFIG_SND_DYNAMIC_MINORS
01b65bfb
TI		 3330 /* non-fixed slots starting from 10 */
3331 for (i = 10; i < 32; i++) {
3332 if (!test_and_set_bit(i, bus->pcm_dev_bits))
3333 return i;
3334 }
36bb00d4 3335#endif
01b65bfb 3336
4e76a883 3337 dev_warn(bus->card->dev, "Too many %s devices\n",
28aedaf7 3338 snd_hda_pcm_type_name[type]);
36bb00d4 3339#ifndef CONFIG_SND_DYNAMIC_MINORS
4e76a883
TI		 3340 dev_warn(bus->card->dev,
3341 "Consider building the kernel with CONFIG_SND_DYNAMIC_MINORS=y\n");
36bb00d4 3342#endif
f5d6def5 3343 return -EAGAIN;
529bd6c4
TI		 3344}
3345
1a4ba30c
TI		 3346/* call build_pcms ops of the given codec and set up the default parameters */
3347int snd_hda_codec_parse_pcms(struct hda_codec *codec)
176d5335 3348{
bbbc7e85 3349 struct hda_pcm *cpcm;
1a4ba30c 3350 int err;
176d5335 3351
bbbc7e85 3352 if (!list_empty(&codec->pcm_list_head))
1a4ba30c
TI		 3353 return 0; /* already parsed */
3354
3355 if (!codec->patch_ops.build_pcms)
3356 return 0;
3357
3358 err = codec->patch_ops.build_pcms(codec);
3359 if (err < 0) {
3360 codec_err(codec, "cannot build PCMs for #%d (error %d)\n",
d068ebc2 3361 codec->core.addr, err);
1a4ba30c
TI		 3362 return err;
3363 }
3364
bbbc7e85 3365 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
1a4ba30c
TI		 3366 int stream;
3367
3368 for (stream = 0; stream < 2; stream++) {
3369 struct hda_pcm_stream *info = &cpcm->stream[stream];
3370
3371 if (!info->substreams)
3372 continue;
176d5335 3373 err = set_pcm_default_values(codec, info);
1a4ba30c
TI		 3374 if (err < 0) {
3375 codec_warn(codec,
3376 "fail to setup default for PCM %s\n",
3377 cpcm->name);
176d5335 3378 return err;
1a4ba30c 3379 }
176d5335
TI		 3380 }
3381 }
1a4ba30c
TI		 3382
3383 return 0;
176d5335
TI		 3384}
3385
529bd6c4
TI		 3386/* assign all PCMs of the given codec */
3387int snd_hda_codec_build_pcms(struct hda_codec *codec)
3388{
1a4ba30c 3389 struct hda_bus *bus = codec->bus;
bbbc7e85 3390 struct hda_pcm *cpcm;
1a4ba30c 3391 int dev, err;
529bd6c4 3392
1a4ba30c 3393 err = snd_hda_codec_parse_pcms(codec);
d289619a 3394 if (err < 0)
1a4ba30c 3395 return err;
1a4ba30c
TI		 3396
3397 /* attach a new PCM streams */
bbbc7e85 3398 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
1a4ba30c
TI		 3399 if (cpcm->pcm)
3400 continue; /* already attached */
529bd6c4 3401 if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
41b5b01a 3402 continue; /* no substreams assigned */
529bd6c4 3403
1a4ba30c
TI		 3404 dev = get_empty_pcm_device(bus, cpcm->pcm_type);
3405 if (dev < 0)
3406 continue; /* no fatal error */
3407 cpcm->device = dev;
0a50575b 3408 err = snd_hda_attach_pcm_stream(bus, codec, cpcm);
1a4ba30c
TI		 3409 if (err < 0) {
3410 codec_err(codec,
3411 "cannot attach PCM stream %d for codec #%d\n",
d068ebc2 3412 dev, codec->core.addr);
1a4ba30c 3413 continue; /* no fatal error */
529bd6c4
TI		 3414 }
3415 }
1a4ba30c 3416
529bd6c4
TI		 3417 return 0;
3418}
3419
1da177e4
LT		 3420/**
3421 * snd_hda_add_new_ctls - create controls from the array
3422 * @codec: the HDA codec
c8b6bf9b 3423 * @knew: the array of struct snd_kcontrol_new
1da177e4
LT		 3424 *
3425 * This helper function creates and add new controls in the given array.
3426 * The array must be terminated with an empty entry as terminator.
3427 *
3428 * Returns 0 if successful, or a negative error code.
3429 */
031024ee
TI		 3430int snd_hda_add_new_ctls(struct hda_codec *codec,
3431 const struct snd_kcontrol_new *knew)
1da177e4 3432{
4d02d1b6 3433 int err;
1da177e4
LT		 3434
3435 for (; knew->name; knew++) {
54d17403 3436 struct snd_kcontrol *kctl;
1afe206a 3437 int addr = 0, idx = 0;
5b0cb1d8
JK		 3438 if (knew->iface == -1) /* skip this codec private value */
3439 continue;
1afe206a 3440 for (;;) {
54d17403 3441 kctl = snd_ctl_new1(knew, codec);
0ba21762 3442 if (!kctl)
54d17403 3443 return -ENOMEM;
1afe206a
TI		 3444 if (addr > 0)
3445 kctl->id.device = addr;
3446 if (idx > 0)
3447 kctl->id.index = idx;
3911a4c1 3448 err = snd_hda_ctl_add(codec, 0, kctl);
1afe206a
TI		 3449 if (!err)
3450 break;
3451 /* try first with another device index corresponding to
3452 * the codec addr; if it still fails (or it's the
3453 * primary codec), then try another control index
3454 */
d068ebc2
TI		 3455 if (!addr && codec->core.addr)
3456 addr = codec->core.addr;
1afe206a
TI		 3457 else if (!idx && !knew->index) {
3458 idx = find_empty_mixer_ctl_idx(codec,
dcda5806 3459 knew->name, 0);
1afe206a
TI		 3460 if (idx <= 0)
3461 return err;
3462 } else
54d17403
TI		 3463 return err;
3464 }
1da177e4
LT		 3465 }
3466 return 0;
3467}
2698ea98 3468EXPORT_SYMBOL_GPL(snd_hda_add_new_ctls);
1da177e4 3469
83012a7c 3470#ifdef CONFIG_PM
bb573928 3471static void codec_set_power_save(struct hda_codec *codec, int delay)
cb53c626 3472{
cc72da7d 3473 struct device *dev = hda_codec_dev(codec);
cc72da7d 3474
2377c3c3
LH		 3475 if (delay == 0 && codec->auto_runtime_pm)
3476 delay = 3000;
3477
cc72da7d
TI		 3478 if (delay > 0) {
3479 pm_runtime_set_autosuspend_delay(dev, delay);
3480 pm_runtime_use_autosuspend(dev);
3481 pm_runtime_allow(dev);
3482 if (!pm_runtime_suspended(dev))
3483 pm_runtime_mark_last_busy(dev);
3484 } else {
3485 pm_runtime_dont_use_autosuspend(dev);
3486 pm_runtime_forbid(dev);
3487 }
cb53c626 3488}
bb573928
TI		 3489
3490/**
3491 * snd_hda_set_power_save - reprogram autosuspend for the given delay
3492 * @bus: HD-audio bus
3493 * @delay: autosuspend delay in msec, 0 = off
3494 *
3495 * Synchronize the runtime PM autosuspend state from the power_save option.
3496 */
3497void snd_hda_set_power_save(struct hda_bus *bus, int delay)
3498{
3499 struct hda_codec *c;
3500
d068ebc2 3501 list_for_each_codec(c, bus)
bb573928
TI		 3502 codec_set_power_save(c, delay);
3503}
3504EXPORT_SYMBOL_GPL(snd_hda_set_power_save);
cb53c626 3505
d5191e50
TI		 3506/**
3507 * snd_hda_check_amp_list_power - Check the amp list and update the power
3508 * @codec: HD-audio codec
3509 * @check: the object containing an AMP list and the status
3510 * @nid: NID to check / update
3511 *
3512 * Check whether the given NID is in the amp list. If it's in the list,
3513 * check the current AMP status, and update the the power-status according
3514 * to the mute status.
3515 *
3516 * This function is supposed to be set or called from the check_power_status
3517 * patch ops.
28aedaf7 3518 */
cb53c626
TI		 3519int snd_hda_check_amp_list_power(struct hda_codec *codec,
3520 struct hda_loopback_check *check,
3521 hda_nid_t nid)
3522{
031024ee 3523 const struct hda_amp_list *p;
cb53c626
TI		 3524 int ch, v;
3525
3526 if (!check->amplist)
3527 return 0;
3528 for (p = check->amplist; p->nid; p++) {
3529 if (p->nid == nid)
3530 break;
3531 }
3532 if (!p->nid)
3533 return 0; /* nothing changed */
3534
3535 for (p = check->amplist; p->nid; p++) {
3536 for (ch = 0; ch < 2; ch++) {
3537 v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
3538 p->idx);
3539 if (!(v & HDA_AMP_MUTE) && v > 0) {
3540 if (!check->power_on) {
3541 check->power_on = 1;
664c7155 3542 snd_hda_power_up_pm(codec);
cb53c626
TI		 3543 }
3544 return 1;
3545 }
3546 }
3547 }
3548 if (check->power_on) {
3549 check->power_on = 0;
664c7155 3550 snd_hda_power_down_pm(codec);
cb53c626
TI		 3551 }
3552 return 0;
3553}
2698ea98 3554EXPORT_SYMBOL_GPL(snd_hda_check_amp_list_power);
cb53c626 3555#endif
1da177e4
LT		 3556
3557/*
3558 * input MUX helper
3559 */
d5191e50
TI		 3560
3561/**
3562 * snd_hda_input_mux_info_info - Info callback helper for the input-mux enum
a11e9b16
TI		 3563 * @imux: imux helper object
3564 * @uinfo: pointer to get/store the data
d5191e50 3565 */
0ba21762
TI		 3566int snd_hda_input_mux_info(const struct hda_input_mux *imux,
3567 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 3568{
3569 unsigned int index;
3570
3571 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
3572 uinfo->count = 1;
3573 uinfo->value.enumerated.items = imux->num_items;
5513b0c5
TI		 3574 if (!imux->num_items)
3575 return 0;
1da177e4
LT		 3576 index = uinfo->value.enumerated.item;
3577 if (index >= imux->num_items)
3578 index = imux->num_items - 1;
3579 strcpy(uinfo->value.enumerated.name, imux->items[index].label);
3580 return 0;
3581}
2698ea98 3582EXPORT_SYMBOL_GPL(snd_hda_input_mux_info);
1da177e4 3583
d5191e50
TI		 3584/**
3585 * snd_hda_input_mux_info_put - Put callback helper for the input-mux enum
a11e9b16
TI		 3586 * @codec: the HDA codec
3587 * @imux: imux helper object
3588 * @ucontrol: pointer to get/store the data
3589 * @nid: input mux NID
3590 * @cur_val: pointer to get/store the current imux value
d5191e50 3591 */
0ba21762
TI		 3592int snd_hda_input_mux_put(struct hda_codec *codec,
3593 const struct hda_input_mux *imux,
3594 struct snd_ctl_elem_value *ucontrol,
3595 hda_nid_t nid,
1da177e4
LT		 3596 unsigned int *cur_val)
3597{
3598 unsigned int idx;
3599
5513b0c5
TI		 3600 if (!imux->num_items)
3601 return 0;
1da177e4
LT		 3602 idx = ucontrol->value.enumerated.item[0];
3603 if (idx >= imux->num_items)
3604 idx = imux->num_items - 1;
82beb8fd 3605 if (*cur_val == idx)
1da177e4 3606 return 0;
82beb8fd
TI		 3607 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
3608 imux->items[idx].index);
1da177e4
LT		 3609 *cur_val = idx;
3610 return 1;
3611}
2698ea98 3612EXPORT_SYMBOL_GPL(snd_hda_input_mux_put);
1da177e4
LT		 3613
3614
a11e9b16
TI		 3615/**
3616 * snd_hda_enum_helper_info - Helper for simple enum ctls
3617 * @kcontrol: ctl element
3618 * @uinfo: pointer to get/store the data
3619 * @num_items: number of enum items
3620 * @texts: enum item string array
3621 *
dda415d4
TI		 3622 * process kcontrol info callback of a simple string enum array
3623 * when @num_items is 0 or @texts is NULL, assume a boolean enum array
3624 */
3625int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
3626 struct snd_ctl_elem_info *uinfo,
3627 int num_items, const char * const *texts)
3628{
3629 static const char * const texts_default[] = {
3630 "Disabled", "Enabled"
3631 };
3632
3633 if (!texts || !num_items) {
3634 num_items = 2;
3635 texts = texts_default;
3636 }
3637
3ff72219 3638 return snd_ctl_enum_info(uinfo, 1, num_items, texts);
dda415d4 3639}
2698ea98 3640EXPORT_SYMBOL_GPL(snd_hda_enum_helper_info);
dda415d4 3641
1da177e4
LT		 3642/*
3643 * Multi-channel / digital-out PCM helper functions
3644 */
3645
6b97eb45
TI		 3646/* setup SPDIF output stream */
3647static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
3648 unsigned int stream_tag, unsigned int format)
3649{
3bef1c37
LD		 3650 struct hda_spdif_out *spdif;
3651 unsigned int curr_fmt;
3652 bool reset;
3653
3654 spdif = snd_hda_spdif_out_of_nid(codec, nid);
960a581e
LY		 3655 /* Add sanity check to pass klockwork check.
3656 * This should never happen.
3657 */
3658 if (WARN_ON(spdif == NULL))
3659 return;
3660
3bef1c37
LD		 3661 curr_fmt = snd_hda_codec_read(codec, nid, 0,
3662 AC_VERB_GET_STREAM_FORMAT, 0);
3663 reset = codec->spdif_status_reset &&
3664 (spdif->ctls & AC_DIG1_ENABLE) &&
3665 curr_fmt != format;
3666
3667 /* turn off SPDIF if needed; otherwise the IEC958 bits won't be
3668 updated */
3669 if (reset)
28aedaf7 3670 set_dig_out_convert(codec, nid,
7c935976 3671 spdif->ctls & ~AC_DIG1_ENABLE & 0xff,
2f72853c 3672 -1);
6b97eb45 3673 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
2f72853c 3674 if (codec->slave_dig_outs) {
dda14410 3675 const hda_nid_t *d;
2f72853c
TI		 3676 for (d = codec->slave_dig_outs; *d; d++)
3677 snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
3678 format);
3679 }
6b97eb45 3680 /* turn on again (if needed) */
3bef1c37 3681 if (reset)
2f72853c 3682 set_dig_out_convert(codec, nid,
7c935976 3683 spdif->ctls & 0xff, -1);
2f72853c 3684}
de51ca12 3685
2f72853c
TI		 3686static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
3687{
3688 snd_hda_codec_cleanup_stream(codec, nid);
3689 if (codec->slave_dig_outs) {
dda14410 3690 const hda_nid_t *d;
2f72853c
TI		 3691 for (d = codec->slave_dig_outs; *d; d++)
3692 snd_hda_codec_cleanup_stream(codec, *d);
de51ca12 3693 }
6b97eb45
TI		 3694}
3695
d5191e50
TI		 3696/**
3697 * snd_hda_multi_out_dig_open - open the digital out in the exclusive mode
a11e9b16
TI		 3698 * @codec: the HDA codec
3699 * @mout: hda_multi_out object
1da177e4 3700 */
0ba21762
TI		 3701int snd_hda_multi_out_dig_open(struct hda_codec *codec,
3702 struct hda_multi_out *mout)
1da177e4 3703{
62932df8 3704 mutex_lock(&codec->spdif_mutex);
5930ca41
TI		 3705 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
3706 /* already opened as analog dup; reset it once */
2f72853c 3707 cleanup_dig_out_stream(codec, mout->dig_out_nid);
1da177e4 3708 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
62932df8 3709 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 3710 return 0;
3711}
2698ea98 3712EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_open);
1da177e4 3713
d5191e50
TI		 3714/**
3715 * snd_hda_multi_out_dig_prepare - prepare the digital out stream
a11e9b16
TI		 3716 * @codec: the HDA codec
3717 * @mout: hda_multi_out object
3718 * @stream_tag: stream tag to assign
3719 * @format: format id to assign
3720 * @substream: PCM substream to assign
d5191e50 3721 */
6b97eb45
TI		 3722int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
3723 struct hda_multi_out *mout,
3724 unsigned int stream_tag,
3725 unsigned int format,
3726 struct snd_pcm_substream *substream)
3727{
3728 mutex_lock(&codec->spdif_mutex);
3729 setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
3730 mutex_unlock(&codec->spdif_mutex);
3731 return 0;
3732}
2698ea98 3733EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_prepare);
6b97eb45 3734
d5191e50
TI		 3735/**
3736 * snd_hda_multi_out_dig_cleanup - clean-up the digital out stream
a11e9b16
TI		 3737 * @codec: the HDA codec
3738 * @mout: hda_multi_out object
d5191e50 3739 */
9411e21c
TI		 3740int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
3741 struct hda_multi_out *mout)
3742{
3743 mutex_lock(&codec->spdif_mutex);
3744 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3745 mutex_unlock(&codec->spdif_mutex);
3746 return 0;
3747}
2698ea98 3748EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_cleanup);
9411e21c 3749
d5191e50
TI		 3750/**
3751 * snd_hda_multi_out_dig_close - release the digital out stream
a11e9b16
TI		 3752 * @codec: the HDA codec
3753 * @mout: hda_multi_out object
1da177e4 3754 */
0ba21762
TI		 3755int snd_hda_multi_out_dig_close(struct hda_codec *codec,
3756 struct hda_multi_out *mout)
1da177e4 3757{
62932df8 3758 mutex_lock(&codec->spdif_mutex);
1da177e4 3759 mout->dig_out_used = 0;
62932df8 3760 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 3761 return 0;
3762}
2698ea98 3763EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_close);
1da177e4 3764
d5191e50
TI		 3765/**
3766 * snd_hda_multi_out_analog_open - open analog outputs
a11e9b16
TI		 3767 * @codec: the HDA codec
3768 * @mout: hda_multi_out object
3769 * @substream: PCM substream to assign
3770 * @hinfo: PCM information to assign
d5191e50
TI		 3771 *
3772 * Open analog outputs and set up the hw-constraints.
3773 * If the digital outputs can be opened as slave, open the digital
3774 * outputs, too.
1da177e4 3775 */
0ba21762
TI		 3776int snd_hda_multi_out_analog_open(struct hda_codec *codec,
3777 struct hda_multi_out *mout,
9a08160b
TI		 3778 struct snd_pcm_substream *substream,
3779 struct hda_pcm_stream *hinfo)
3780{
3781 struct snd_pcm_runtime *runtime = substream->runtime;
3782 runtime->hw.channels_max = mout->max_channels;
3783 if (mout->dig_out_nid) {
3784 if (!mout->analog_rates) {
3785 mout->analog_rates = hinfo->rates;
3786 mout->analog_formats = hinfo->formats;
3787 mout->analog_maxbps = hinfo->maxbps;
3788 } else {
3789 runtime->hw.rates = mout->analog_rates;
3790 runtime->hw.formats = mout->analog_formats;
3791 hinfo->maxbps = mout->analog_maxbps;
3792 }
3793 if (!mout->spdif_rates) {
3794 snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
3795 &mout->spdif_rates,
3796 &mout->spdif_formats,
3797 &mout->spdif_maxbps);
3798 }
3799 mutex_lock(&codec->spdif_mutex);
3800 if (mout->share_spdif) {
022b466f
TI		 3801 if ((runtime->hw.rates & mout->spdif_rates) &&
3802 (runtime->hw.formats & mout->spdif_formats)) {
3803 runtime->hw.rates &= mout->spdif_rates;
3804 runtime->hw.formats &= mout->spdif_formats;
3805 if (mout->spdif_maxbps < hinfo->maxbps)
3806 hinfo->maxbps = mout->spdif_maxbps;
3807 } else {
3808 mout->share_spdif = 0;
3809 /* FIXME: need notify? */
3810 }
9a08160b 3811 }
eaa9985b 3812 mutex_unlock(&codec->spdif_mutex);
9a08160b 3813 }
1da177e4
LT		 3814 return snd_pcm_hw_constraint_step(substream->runtime, 0,
3815 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
3816}
2698ea98 3817EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_open);
1da177e4 3818
d5191e50
TI		 3819/**
3820 * snd_hda_multi_out_analog_prepare - Preapre the analog outputs.
a11e9b16
TI		 3821 * @codec: the HDA codec
3822 * @mout: hda_multi_out object
3823 * @stream_tag: stream tag to assign
3824 * @format: format id to assign
3825 * @substream: PCM substream to assign
d5191e50
TI		 3826 *
3827 * Set up the i/o for analog out.
3828 * When the digital out is available, copy the front out to digital out, too.
1da177e4 3829 */
0ba21762
TI		 3830int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
3831 struct hda_multi_out *mout,
1da177e4
LT		 3832 unsigned int stream_tag,
3833 unsigned int format,
c8b6bf9b 3834 struct snd_pcm_substream *substream)
1da177e4 3835{
dda14410 3836 const hda_nid_t *nids = mout->dac_nids;
1da177e4 3837 int chs = substream->runtime->channels;
e3245cdd 3838 struct hda_spdif_out *spdif;
1da177e4
LT		 3839 int i;
3840
62932df8 3841 mutex_lock(&codec->spdif_mutex);
e3245cdd 3842 spdif = snd_hda_spdif_out_of_nid(codec, mout->dig_out_nid);
9a08160b
TI		 3843 if (mout->dig_out_nid && mout->share_spdif &&
3844 mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
960a581e 3845 if (chs == 2 && spdif != NULL &&
0ba21762
TI		 3846 snd_hda_is_supported_format(codec, mout->dig_out_nid,
3847 format) &&
7c935976 3848 !(spdif->status & IEC958_AES0_NONAUDIO)) {
1da177e4 3849 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
6b97eb45
TI		 3850 setup_dig_out_stream(codec, mout->dig_out_nid,
3851 stream_tag, format);
1da177e4
LT		 3852 } else {
3853 mout->dig_out_used = 0;
2f72853c 3854 cleanup_dig_out_stream(codec, mout->dig_out_nid);
1da177e4
LT		 3855 }
3856 }
62932df8 3857 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 3858
3859 /* front */
0ba21762
TI		 3860 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
3861 0, format);
d29240ce
TI		 3862 if (!mout->no_share_stream &&
3863 mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
1da177e4 3864 /* headphone out will just decode front left/right (stereo) */
0ba21762
TI		 3865 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
3866 0, format);
82bc955f 3867 /* extra outputs copied from front */
a06dbfc2
TI		 3868 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3869 if (!mout->no_share_stream && mout->hp_out_nid[i])
3870 snd_hda_codec_setup_stream(codec,
3871 mout->hp_out_nid[i],
3872 stream_tag, 0, format);
82bc955f 3873
1da177e4
LT		 3874 /* surrounds */
3875 for (i = 1; i < mout->num_dacs; i++) {
4b3acaf5 3876 if (chs >= (i + 1) * 2) /* independent out */
0ba21762
TI		 3877 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3878 i * 2, format);
d29240ce 3879 else if (!mout->no_share_stream) /* copy front */
0ba21762
TI		 3880 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3881 0, format);
1da177e4 3882 }
cd4035e8
DH		 3883
3884 /* extra surrounds */
3885 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) {
3886 int ch = 0;
3887 if (!mout->extra_out_nid[i])
3888 break;
3889 if (chs >= (i + 1) * 2)
3890 ch = i * 2;
3891 else if (!mout->no_share_stream)
3892 break;
3893 snd_hda_codec_setup_stream(codec, mout->extra_out_nid[i],
3894 stream_tag, ch, format);
3895 }
3896
1da177e4
LT		 3897 return 0;
3898}
2698ea98 3899EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_prepare);
1da177e4 3900
d5191e50
TI		 3901/**
3902 * snd_hda_multi_out_analog_cleanup - clean up the setting for analog out
a11e9b16
TI		 3903 * @codec: the HDA codec
3904 * @mout: hda_multi_out object
1da177e4 3905 */
0ba21762
TI		 3906int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
3907 struct hda_multi_out *mout)
1da177e4 3908{
dda14410 3909 const hda_nid_t *nids = mout->dac_nids;
1da177e4
LT		 3910 int i;
3911
3912 for (i = 0; i < mout->num_dacs; i++)
888afa15 3913 snd_hda_codec_cleanup_stream(codec, nids[i]);
1da177e4 3914 if (mout->hp_nid)
888afa15 3915 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
a06dbfc2
TI		 3916 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3917 if (mout->hp_out_nid[i])
3918 snd_hda_codec_cleanup_stream(codec,
3919 mout->hp_out_nid[i]);
82bc955f
TI		 3920 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
3921 if (mout->extra_out_nid[i])
888afa15
TI		 3922 snd_hda_codec_cleanup_stream(codec,
3923 mout->extra_out_nid[i]);
62932df8 3924 mutex_lock(&codec->spdif_mutex);
1da177e4 3925 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
2f72853c 3926 cleanup_dig_out_stream(codec, mout->dig_out_nid);
1da177e4
LT		 3927 mout->dig_out_used = 0;
3928 }
62932df8 3929 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 3930 return 0;
3931}
2698ea98 3932EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_cleanup);
1da177e4 3933
4740860b
TI		 3934/**
3935 * snd_hda_get_default_vref - Get the default (mic) VREF pin bits
a11e9b16
TI		 3936 * @codec: the HDA codec
3937 * @pin: referred pin NID
4740860b
TI		 3938 *
3939 * Guess the suitable VREF pin bits to be set as the pin-control value.
3940 * Note: the function doesn't set the AC_PINCTL_IN_EN bit.
3941 */
3942unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin)
3943{
3944 unsigned int pincap;
3945 unsigned int oldval;
3946 oldval = snd_hda_codec_read(codec, pin, 0,
3947 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
3948 pincap = snd_hda_query_pin_caps(codec, pin);
3949 pincap = (pincap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3950 /* Exception: if the default pin setup is vref50, we give it priority */
3951 if ((pincap & AC_PINCAP_VREF_80) && oldval != PIN_VREF50)
3952 return AC_PINCTL_VREF_80;
3953 else if (pincap & AC_PINCAP_VREF_50)
3954 return AC_PINCTL_VREF_50;
3955 else if (pincap & AC_PINCAP_VREF_100)
3956 return AC_PINCTL_VREF_100;
3957 else if (pincap & AC_PINCAP_VREF_GRD)
3958 return AC_PINCTL_VREF_GRD;
3959 return AC_PINCTL_VREF_HIZ;
3960}
2698ea98 3961EXPORT_SYMBOL_GPL(snd_hda_get_default_vref);
4740860b 3962
a11e9b16
TI		 3963/**
3964 * snd_hda_correct_pin_ctl - correct the pin ctl value for matching with the pin cap
3965 * @codec: the HDA codec
3966 * @pin: referred pin NID
3967 * @val: pin ctl value to audit
3968 */
62f3a2f7
TI		 3969unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
3970 hda_nid_t pin, unsigned int val)
3971{
3972 static unsigned int cap_lists[][2] = {
3973 { AC_PINCTL_VREF_100, AC_PINCAP_VREF_100 },
3974 { AC_PINCTL_VREF_80, AC_PINCAP_VREF_80 },
3975 { AC_PINCTL_VREF_50, AC_PINCAP_VREF_50 },
3976 { AC_PINCTL_VREF_GRD, AC_PINCAP_VREF_GRD },
3977 };
3978 unsigned int cap;
3979
3980 if (!val)
3981 return 0;
3982 cap = snd_hda_query_pin_caps(codec, pin);
3983 if (!cap)
3984 return val; /* don't know what to do... */
3985
3986 if (val & AC_PINCTL_OUT_EN) {
3987 if (!(cap & AC_PINCAP_OUT))
3988 val &= ~(AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN);
3989 else if ((val & AC_PINCTL_HP_EN) && !(cap & AC_PINCAP_HP_DRV))
3990 val &= ~AC_PINCTL_HP_EN;
3991 }
3992
3993 if (val & AC_PINCTL_IN_EN) {
3994 if (!(cap & AC_PINCAP_IN))
3995 val &= ~(AC_PINCTL_IN_EN | AC_PINCTL_VREFEN);
3996 else {
3997 unsigned int vcap, vref;
3998 int i;
3999 vcap = (cap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
4000 vref = val & AC_PINCTL_VREFEN;
4001 for (i = 0; i < ARRAY_SIZE(cap_lists); i++) {
4002 if (vref == cap_lists[i][0] &&
4003 !(vcap & cap_lists[i][1])) {
4004 if (i == ARRAY_SIZE(cap_lists) - 1)
4005 vref = AC_PINCTL_VREF_HIZ;
4006 else
4007 vref = cap_lists[i + 1][0];
4008 }
4009 }
4010 val &= ~AC_PINCTL_VREFEN;
4011 val |= vref;
4012 }
4013 }
4014
4015 return val;
4016}
2698ea98 4017EXPORT_SYMBOL_GPL(snd_hda_correct_pin_ctl);
62f3a2f7 4018
a11e9b16
TI		 4019/**
4020 * _snd_hda_pin_ctl - Helper to set pin ctl value
4021 * @codec: the HDA codec
4022 * @pin: referred pin NID
4023 * @val: pin control value to set
4024 * @cached: access over codec pinctl cache or direct write
4025 *
4026 * This function is a helper to set a pin ctl value more safely.
4027 * It corrects the pin ctl value via snd_hda_correct_pin_ctl(), stores the
4028 * value in pin target array via snd_hda_codec_set_pin_target(), then
4029 * actually writes the value via either snd_hda_codec_update_cache() or
4030 * snd_hda_codec_write() depending on @cached flag.
4031 */
cdd03ced
TI		 4032int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
4033 unsigned int val, bool cached)
4034{
62f3a2f7 4035 val = snd_hda_correct_pin_ctl(codec, pin, val);
d7fdc00a 4036 snd_hda_codec_set_pin_target(codec, pin, val);
cdd03ced
TI		 4037 if (cached)
4038 return snd_hda_codec_update_cache(codec, pin, 0,
4039 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
4040 else
4041 return snd_hda_codec_write(codec, pin, 0,
4042 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
4043}
2698ea98 4044EXPORT_SYMBOL_GPL(_snd_hda_set_pin_ctl);
cdd03ced 4045
990061c2
TI		 4046/**
4047 * snd_hda_add_imux_item - Add an item to input_mux
a11e9b16
TI		 4048 * @codec: the HDA codec
4049 * @imux: imux helper object
4050 * @label: the name of imux item to assign
4051 * @index: index number of imux item to assign
4052 * @type_idx: pointer to store the resultant label index
990061c2
TI		 4053 *
4054 * When the same label is used already in the existing items, the number
4055 * suffix is appended to the label. This label index number is stored
4056 * to type_idx when non-NULL pointer is given.
4057 */
6194b99d
TI		 4058int snd_hda_add_imux_item(struct hda_codec *codec,
4059 struct hda_input_mux *imux, const char *label,
10a20af7
TI		 4060 int index, int *type_idx)
4061{
4062 int i, label_idx = 0;
4063 if (imux->num_items >= HDA_MAX_NUM_INPUTS) {
6194b99d 4064 codec_err(codec, "hda_codec: Too many imux items!\n");
10a20af7
TI		 4065 return -EINVAL;
4066 }
4067 for (i = 0; i < imux->num_items; i++) {
4068 if (!strncmp(label, imux->items[i].label, strlen(label)))
4069 label_idx++;
d7b1ae9d 4070 }
10a20af7
TI		 4071 if (type_idx)
4072 *type_idx = label_idx;
4073 if (label_idx > 0)
4074 snprintf(imux->items[imux->num_items].label,
4075 sizeof(imux->items[imux->num_items].label),
4076 "%s %d", label, label_idx);
b5786e85 4077 else
10a20af7
TI		 4078 strlcpy(imux->items[imux->num_items].label, label,
4079 sizeof(imux->items[imux->num_items].label));
4080 imux->items[imux->num_items].index = index;
4081 imux->num_items++;
4082 return 0;
d7b1ae9d 4083}
2698ea98 4084EXPORT_SYMBOL_GPL(snd_hda_add_imux_item);
d7b1ae9d 4085
1da177e4 4086/**
0a50575b 4087 * snd_hda_bus_reset_codecs - Reset the bus
59ed1ead 4088 * @bus: HD-audio bus
1da177e4 4089 */
0a50575b 4090void snd_hda_bus_reset_codecs(struct hda_bus *bus)
1da177e4 4091{
0ba21762 4092 struct hda_codec *codec;
1da177e4 4093
d068ebc2 4094 list_for_each_codec(codec, bus) {
59ed1ead 4095 /* FIXME: maybe a better way needed for forced reset */
26a6cb6c 4096 cancel_delayed_work_sync(&codec->jackpoll_work);
59ed1ead 4097#ifdef CONFIG_PM
0e24dbb7 4098 if (hda_codec_is_power_on(codec)) {
cc72da7d 4099 hda_call_codec_suspend(codec);
12edb893 4100 hda_call_codec_resume(codec);
59ed1ead
TI		 4101 }
4102#endif
1da177e4 4103 }
1da177e4 4104}
b2e18597 4105
d5191e50
TI		 4106/**
4107 * snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer
4108 * @pcm: PCM caps bits
4109 * @buf: the string buffer to write
4110 * @buflen: the max buffer length
4111 *
4112 * used by hda_proc.c and hda_eld.c
4113 */
b2022266
TI		 4114void snd_print_pcm_bits(int pcm, char *buf, int buflen)
4115{
4116 static unsigned int bits[] = { 8, 16, 20, 24, 32 };
4117 int i, j;
4118
4119 for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++)
4120 if (pcm & (AC_SUPPCM_BITS_8 << i))
4121 j += snprintf(buf + j, buflen - j, " %d", bits[i]);
4122
4123 buf[j] = '\0'; /* necessary when j == 0 */
4124}
2698ea98 4125EXPORT_SYMBOL_GPL(snd_print_pcm_bits);
1289e9e8
TI		 4126
4127MODULE_DESCRIPTION("HDA codec core");
4128MODULE_LICENSE("GPL");
Linux 6.x block layer and io_uring tree(s)