projects / linux-block.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
treewide: kmalloc() -> kmalloc_array()
[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
1da177e4
LT		 22#include <linux/init.h>
23#include <linux/delay.h>
24#include <linux/slab.h>
62932df8 25#include <linux/mutex.h>
da155d5b 26#include <linux/module.h>
cc72da7d
TI		 27#include <linux/pm.h>
28#include <linux/pm_runtime.h>
1da177e4
LT		 29#include <sound/core.h>
30#include "hda_codec.h"
31#include <sound/asoundef.h>
302e9c5a 32#include <sound/tlv.h>
1da177e4 33#include <sound/initval.h>
cd372fb3 34#include <sound/jack.h>
1da177e4 35#include "hda_local.h"
123c07ae 36#include "hda_beep.h"
1835a0f9 37#include "hda_jack.h"
2807314d 38#include <sound/hda_hwdep.h>
1da177e4 39
83012a7c 40#ifdef CONFIG_PM
7639a06c 41#define codec_in_pm(codec) atomic_read(&(codec)->core.in_pm)
cc72da7d
TI		 42#define hda_codec_is_power_on(codec) \
43 (!pm_runtime_suspended(hda_codec_dev(codec)))
cb53c626 44#else
d846b174 45#define codec_in_pm(codec) 0
e581f3db 46#define hda_codec_is_power_on(codec) 1
cb53c626
TI		 47#endif
48
7639a06c
TI		 49#define codec_has_epss(codec) \
50 ((codec)->core.power_caps & AC_PWRST_EPSS)
51#define codec_has_clkstop(codec) \
52 ((codec)->core.power_caps & AC_PWRST_CLKSTOP)
53
aa2936f5 54/*
05852448 55 * Send and receive a verb - passed to exec_verb override for hdac_device
aa2936f5 56 */
05852448
TI		 57static int codec_exec_verb(struct hdac_device *dev, unsigned int cmd,
58 unsigned int flags, unsigned int *res)
aa2936f5 59{
05852448 60 struct hda_codec *codec = container_of(dev, struct hda_codec, core);
aa2936f5 61 struct hda_bus *bus = codec->bus;
8dd78330 62 int err;
aa2936f5 63
6430aeeb
WF		 64 if (cmd == ~0)
65 return -1;
66
8dd78330 67 again:
664c7155 68 snd_hda_power_up_pm(codec);
d068ebc2 69 mutex_lock(&bus->core.cmd_mutex);
63e51fd7
TI		 70 if (flags & HDA_RW_NO_RESPONSE_FALLBACK)
71 bus->no_response_fallback = 1;
d068ebc2
TI		 72 err = snd_hdac_bus_exec_verb_unlocked(&bus->core, codec->core.addr,
73 cmd, res);
63e51fd7 74 bus->no_response_fallback = 0;
d068ebc2 75 mutex_unlock(&bus->core.cmd_mutex);
664c7155 76 snd_hda_power_down_pm(codec);
cad372f1 77 if (!codec_in_pm(codec) && res && err == -EAGAIN) {
8dd78330 78 if (bus->response_reset) {
4e76a883
TI		 79 codec_dbg(codec,
80 "resetting BUS due to fatal communication error\n");
0a50575b 81 snd_hda_bus_reset(bus);
8dd78330
TI		 82 }
83 goto again;
84 }
85 /* clear reset-flag when the communication gets recovered */
d846b174 86 if (!err || codec_in_pm(codec))
8dd78330 87 bus->response_reset = 0;
aa2936f5
TI		 88 return err;
89}
90
1da177e4
LT		 91/**
92 * snd_hda_sequence_write - sequence writes
93 * @codec: the HDA codec
94 * @seq: VERB array to send
95 *
96 * Send the commands sequentially from the given array.
97 * The array must be terminated with NID=0.
98 */
99void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
100{
101 for (; seq->nid; seq++)
102 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
103}
2698ea98 104EXPORT_SYMBOL_GPL(snd_hda_sequence_write);
1da177e4 105
ee8e765b
TI		 106/* connection list element */
107struct hda_conn_list {
108 struct list_head list;
109 int len;
110 hda_nid_t nid;
111 hda_nid_t conns[0];
112};
113
b2f934a0 114/* look up the cached results */
ee8e765b
TI		 115static struct hda_conn_list *
116lookup_conn_list(struct hda_codec *codec, hda_nid_t nid)
b2f934a0 117{
ee8e765b
TI		 118 struct hda_conn_list *p;
119 list_for_each_entry(p, &codec->conn_list, list) {
120 if (p->nid == nid)
b2f934a0 121 return p;
b2f934a0
TI		 122 }
123 return NULL;
124}
a12d3e1e 125
ee8e765b
TI		 126static int add_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
127 const hda_nid_t *list)
128{
129 struct hda_conn_list *p;
130
131 p = kmalloc(sizeof(*p) + len * sizeof(hda_nid_t), GFP_KERNEL);
132 if (!p)
133 return -ENOMEM;
134 p->len = len;
135 p->nid = nid;
136 memcpy(p->conns, list, len * sizeof(hda_nid_t));
137 list_add(&p->list, &codec->conn_list);
138 return 0;
139}
140
141static void remove_conn_list(struct hda_codec *codec)
142{
143 while (!list_empty(&codec->conn_list)) {
144 struct hda_conn_list *p;
145 p = list_first_entry(&codec->conn_list, typeof(*p), list);
146 list_del(&p->list);
147 kfree(p);
148 }
149}
150
09cf03b8
TI		 151/* read the connection and add to the cache */
152static int read_and_add_raw_conns(struct hda_codec *codec, hda_nid_t nid)
153{
4eea3091
TI		 154 hda_nid_t list[32];
155 hda_nid_t *result = list;
09cf03b8
TI		 156 int len;
157
158 len = snd_hda_get_raw_connections(codec, nid, list, ARRAY_SIZE(list));
4eea3091
TI		 159 if (len == -ENOSPC) {
160 len = snd_hda_get_num_raw_conns(codec, nid);
6da2ec56 161 result = kmalloc_array(len, sizeof(hda_nid_t), GFP_KERNEL);
4eea3091
TI		 162 if (!result)
163 return -ENOMEM;
164 len = snd_hda_get_raw_connections(codec, nid, result, len);
165 }
166 if (len >= 0)
167 len = snd_hda_override_conn_list(codec, nid, len, result);
168 if (result != list)
169 kfree(result);
170 return len;
09cf03b8
TI		 171}
172
ee8e765b
TI		 173/**
174 * snd_hda_get_conn_list - get connection list
175 * @codec: the HDA codec
176 * @nid: NID to parse
ee8e765b
TI		 177 * @listp: the pointer to store NID list
178 *
179 * Parses the connection list of the given widget and stores the pointer
180 * to the list of NIDs.
181 *
182 * Returns the number of connections, or a negative error code.
183 *
184 * Note that the returned pointer isn't protected against the list
185 * modification. If snd_hda_override_conn_list() might be called
186 * concurrently, protect with a mutex appropriately.
187 */
188int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
189 const hda_nid_t **listp)
190{
191 bool added = false;
192
193 for (;;) {
194 int err;
195 const struct hda_conn_list *p;
196
197 /* if the connection-list is already cached, read it */
198 p = lookup_conn_list(codec, nid);
199 if (p) {
200 if (listp)
201 *listp = p->conns;
202 return p->len;
203 }
204 if (snd_BUG_ON(added))
205 return -EINVAL;
206
207 err = read_and_add_raw_conns(codec, nid);
208 if (err < 0)
209 return err;
210 added = true;
211 }
212}
2698ea98 213EXPORT_SYMBOL_GPL(snd_hda_get_conn_list);
ee8e765b 214
1da177e4 215/**
09cf03b8 216 * snd_hda_get_connections - copy connection list
1da177e4
LT		 217 * @codec: the HDA codec
218 * @nid: NID to parse
09cf03b8
TI		 219 * @conn_list: connection list array; when NULL, checks only the size
220 * @max_conns: max. number of connections to store
1da177e4
LT		 221 *
222 * Parses the connection list of the given widget and stores the list
223 * of NIDs.
224 *
225 * Returns the number of connections, or a negative error code.
226 */
09cf03b8
TI		 227int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
228 hda_nid_t *conn_list, int max_conns)
a12d3e1e 229{
ee8e765b
TI		 230 const hda_nid_t *list;
231 int len = snd_hda_get_conn_list(codec, nid, &list);
a12d3e1e 232
ee8e765b
TI		 233 if (len > 0 && conn_list) {
234 if (len > max_conns) {
4e76a883 235 codec_err(codec, "Too many connections %d for NID 0x%x\n",
09cf03b8 236 len, nid);
09cf03b8
TI		 237 return -EINVAL;
238 }
ee8e765b 239 memcpy(conn_list, list, len * sizeof(hda_nid_t));
a12d3e1e
TI		 240 }
241
ee8e765b 242 return len;
a12d3e1e 243}
2698ea98 244EXPORT_SYMBOL_GPL(snd_hda_get_connections);
a12d3e1e 245
b2f934a0
TI		 246/**
247 * snd_hda_override_conn_list - add/modify the connection-list to cache
248 * @codec: the HDA codec
249 * @nid: NID to parse
250 * @len: number of connection list entries
251 * @list: the list of connection entries
252 *
253 * Add or modify the given connection-list to the cache. If the corresponding
254 * cache already exists, invalidate it and append a new one.
255 *
256 * Returns zero or a negative error code.
257 */
258int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
259 const hda_nid_t *list)
260{
ee8e765b 261 struct hda_conn_list *p;
b2f934a0 262
ee8e765b
TI		 263 p = lookup_conn_list(codec, nid);
264 if (p) {
265 list_del(&p->list);
266 kfree(p);
267 }
b2f934a0 268
ee8e765b 269 return add_conn_list(codec, nid, len, list);
b2f934a0 270}
2698ea98 271EXPORT_SYMBOL_GPL(snd_hda_override_conn_list);
b2f934a0 272
8d087c76
TI		 273/**
274 * snd_hda_get_conn_index - get the connection index of the given NID
275 * @codec: the HDA codec
276 * @mux: NID containing the list
277 * @nid: NID to select
278 * @recursive: 1 when searching NID recursively, otherwise 0
279 *
280 * Parses the connection list of the widget @mux and checks whether the
281 * widget @nid is present. If it is, return the connection index.
282 * Otherwise it returns -1.
283 */
284int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
285 hda_nid_t nid, int recursive)
a12d3e1e 286{
ee8e765b 287 const hda_nid_t *conn;
8d087c76
TI		 288 int i, nums;
289
ee8e765b 290 nums = snd_hda_get_conn_list(codec, mux, &conn);
8d087c76
TI		 291 for (i = 0; i < nums; i++)
292 if (conn[i] == nid)
293 return i;
294 if (!recursive)
295 return -1;
d94ddd85 296 if (recursive > 10) {
4e76a883 297 codec_dbg(codec, "too deep connection for 0x%x\n", nid);
8d087c76 298 return -1;
a12d3e1e 299 }
8d087c76 300 recursive++;
99e14c9d
TI		 301 for (i = 0; i < nums; i++) {
302 unsigned int type = get_wcaps_type(get_wcaps(codec, conn[i]));
303 if (type == AC_WID_PIN || type == AC_WID_AUD_OUT)
304 continue;
8d087c76
TI		 305 if (snd_hda_get_conn_index(codec, conn[i], nid, recursive) >= 0)
306 return i;
99e14c9d 307 }
8d087c76 308 return -1;
a12d3e1e 309}
2698ea98 310EXPORT_SYMBOL_GPL(snd_hda_get_conn_index);
1da177e4 311
13800f39
LY		 312/**
313 * snd_hda_get_num_devices - get DEVLIST_LEN parameter of the given widget
314 * @codec: the HDA codec
315 * @nid: NID of the pin to parse
316 *
317 * Get the device entry number on the given widget. This is a feature of
318 * DP MST audio. Each pin can have several device entries in it.
319 */
320unsigned int snd_hda_get_num_devices(struct hda_codec *codec, hda_nid_t nid)
f1aa0684
ML		 321{
322 unsigned int wcaps = get_wcaps(codec, nid);
323 unsigned int parm;
324
325 if (!codec->dp_mst || !(wcaps & AC_WCAP_DIGITAL) ||
326 get_wcaps_type(wcaps) != AC_WID_PIN)
327 return 0;
328
132bd96b 329 parm = snd_hdac_read_parm_uncached(&codec->core, nid, AC_PAR_DEVLIST_LEN);
8654844c 330 if (parm == -1)
f1aa0684
ML		 331 parm = 0;
332 return parm & AC_DEV_LIST_LEN_MASK;
333}
13800f39 334EXPORT_SYMBOL_GPL(snd_hda_get_num_devices);
f1aa0684
ML		 335
336/**
337 * snd_hda_get_devices - copy device list without cache
338 * @codec: the HDA codec
339 * @nid: NID of the pin to parse
340 * @dev_list: device list array
341 * @max_devices: max. number of devices to store
342 *
343 * Copy the device list. This info is dynamic and so not cached.
344 * Currently called only from hda_proc.c, so not exported.
345 */
346int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid,
347 u8 *dev_list, int max_devices)
348{
349 unsigned int parm;
350 int i, dev_len, devices;
351
13800f39 352 parm = snd_hda_get_num_devices(codec, nid);
f1aa0684
ML		 353 if (!parm) /* not multi-stream capable */
354 return 0;
355
356 dev_len = parm + 1;
357 dev_len = dev_len < max_devices ? dev_len : max_devices;
358
359 devices = 0;
360 while (devices < dev_len) {
cad372f1
TI		 361 if (snd_hdac_read(&codec->core, nid,
362 AC_VERB_GET_DEVICE_LIST, devices, &parm))
363 break; /* error */
f1aa0684
ML		 364
365 for (i = 0; i < 8; i++) {
366 dev_list[devices] = (u8)parm;
367 parm >>= 4;
368 devices++;
369 if (devices >= dev_len)
370 break;
371 }
372 }
373 return devices;
374}
375
13800f39
LY		 376/**
377 * snd_hda_get_dev_select - get device entry select on the pin
378 * @codec: the HDA codec
379 * @nid: NID of the pin to get device entry select
380 *
381 * Get the devcie entry select on the pin. Return the device entry
382 * id selected on the pin. Return 0 means the first device entry
383 * is selected or MST is not supported.
384 */
385int snd_hda_get_dev_select(struct hda_codec *codec, hda_nid_t nid)
386{
387 /* not support dp_mst will always return 0, using first dev_entry */
388 if (!codec->dp_mst)
389 return 0;
390
391 return snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DEVICE_SEL, 0);
392}
393EXPORT_SYMBOL_GPL(snd_hda_get_dev_select);
394
395/**
396 * snd_hda_set_dev_select - set device entry select on the pin
397 * @codec: the HDA codec
398 * @nid: NID of the pin to set device entry select
399 * @dev_id: device entry id to be set
400 *
401 * Set the device entry select on the pin nid.
402 */
403int snd_hda_set_dev_select(struct hda_codec *codec, hda_nid_t nid, int dev_id)
404{
405 int ret, num_devices;
406
407 /* not support dp_mst will always return 0, using first dev_entry */
408 if (!codec->dp_mst)
409 return 0;
410
411 /* AC_PAR_DEVLIST_LEN is 0 based. */
412 num_devices = snd_hda_get_num_devices(codec, nid) + 1;
413 /* If Device List Length is 0 (num_device = 1),
414 * the pin is not multi stream capable.
415 * Do nothing in this case.
416 */
417 if (num_devices == 1)
418 return 0;
419
420 /* Behavior of setting index being equal to or greater than
421 * Device List Length is not predictable
422 */
423 if (num_devices <= dev_id)
424 return -EINVAL;
425
426 ret = snd_hda_codec_write(codec, nid, 0,
427 AC_VERB_SET_DEVICE_SEL, dev_id);
428
429 return ret;
430}
431EXPORT_SYMBOL_GPL(snd_hda_set_dev_select);
432
54d17403
TI		 433/*
434 * read widget caps for each widget and store in cache
435 */
436static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
437{
438 int i;
439 hda_nid_t nid;
440
6da2ec56 441 codec->wcaps = kmalloc_array(codec->core.num_nodes, 4, GFP_KERNEL);
0ba21762 442 if (!codec->wcaps)
54d17403 443 return -ENOMEM;
7639a06c
TI		 444 nid = codec->core.start_nid;
445 for (i = 0; i < codec->core.num_nodes; i++, nid++)
9ba17b4d
TI		 446 codec->wcaps[i] = snd_hdac_read_parm_uncached(&codec->core,
447 nid, AC_PAR_AUDIO_WIDGET_CAP);
54d17403
TI		 448 return 0;
449}
450
3be14149
TI		 451/* read all pin default configurations and save codec->init_pins */
452static int read_pin_defaults(struct hda_codec *codec)
453{
7639a06c 454 hda_nid_t nid;
3be14149 455
7639a06c 456 for_each_hda_codec_node(nid, codec) {
3be14149
TI		 457 struct hda_pincfg *pin;
458 unsigned int wcaps = get_wcaps(codec, nid);
a22d543a 459 unsigned int wid_type = get_wcaps_type(wcaps);
3be14149
TI		 460 if (wid_type != AC_WID_PIN)
461 continue;
462 pin = snd_array_new(&codec->init_pins);
463 if (!pin)
464 return -ENOMEM;
465 pin->nid = nid;
466 pin->cfg = snd_hda_codec_read(codec, nid, 0,
467 AC_VERB_GET_CONFIG_DEFAULT, 0);
9152085d
LY		 468 /*
469 * all device entries are the same widget control so far
470 * fixme: if any codec is different, need fix here
471 */
ac0547dc
TI		 472 pin->ctrl = snd_hda_codec_read(codec, nid, 0,
473 AC_VERB_GET_PIN_WIDGET_CONTROL,
474 0);
3be14149
TI		 475 }
476 return 0;
477}
478
479/* look up the given pin config list and return the item matching with NID */
480static struct hda_pincfg *look_up_pincfg(struct hda_codec *codec,
481 struct snd_array *array,
482 hda_nid_t nid)
483{
a9c2dfc8 484 struct hda_pincfg *pin;
3be14149 485 int i;
a9c2dfc8
TI		 486
487 snd_array_for_each(array, i, pin) {
3be14149
TI		 488 if (pin->nid == nid)
489 return pin;
490 }
491 return NULL;
492}
493
3be14149
TI		 494/* set the current pin config value for the given NID.
495 * the value is cached, and read via snd_hda_codec_get_pincfg()
496 */
497int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
498 hda_nid_t nid, unsigned int cfg)
499{
500 struct hda_pincfg *pin;
501
d5657ec9
TI		 502 /* the check below may be invalid when pins are added by a fixup
503 * dynamically (e.g. via snd_hda_codec_update_widgets()), so disabled
504 * for now
505 */
506 /*
b82855a0
TI		 507 if (get_wcaps_type(get_wcaps(codec, nid)) != AC_WID_PIN)
508 return -EINVAL;
d5657ec9 509 */
b82855a0 510
3be14149
TI		 511 pin = look_up_pincfg(codec, list, nid);
512 if (!pin) {
513 pin = snd_array_new(list);
514 if (!pin)
515 return -ENOMEM;
516 pin->nid = nid;
517 }
518 pin->cfg = cfg;
3be14149
TI		 519 return 0;
520}
521
d5191e50
TI		 522/**
523 * snd_hda_codec_set_pincfg - Override a pin default configuration
524 * @codec: the HDA codec
525 * @nid: NID to set the pin config
526 * @cfg: the pin default config value
527 *
528 * Override a pin default configuration value in the cache.
529 * This value can be read by snd_hda_codec_get_pincfg() in a higher
530 * priority than the real hardware value.
531 */
3be14149
TI		 532int snd_hda_codec_set_pincfg(struct hda_codec *codec,
533 hda_nid_t nid, unsigned int cfg)
534{
346ff70f 535 return snd_hda_add_pincfg(codec, &codec->driver_pins, nid, cfg);
3be14149 536}
2698ea98 537EXPORT_SYMBOL_GPL(snd_hda_codec_set_pincfg);
3be14149 538
d5191e50
TI		 539/**
540 * snd_hda_codec_get_pincfg - Obtain a pin-default configuration
541 * @codec: the HDA codec
542 * @nid: NID to get the pin config
543 *
544 * Get the current pin config value of the given pin NID.
545 * If the pincfg value is cached or overridden via sysfs or driver,
546 * returns the cached value.
547 */
3be14149
TI		 548unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid)
549{
550 struct hda_pincfg *pin;
551
648a8d27 552#ifdef CONFIG_SND_HDA_RECONFIG
09b70e85
TI		 553 {
554 unsigned int cfg = 0;
555 mutex_lock(&codec->user_mutex);
556 pin = look_up_pincfg(codec, &codec->user_pins, nid);
557 if (pin)
558 cfg = pin->cfg;
559 mutex_unlock(&codec->user_mutex);
560 if (cfg)
561 return cfg;
562 }
3be14149 563#endif
5e7b8e0d
TI		 564 pin = look_up_pincfg(codec, &codec->driver_pins, nid);
565 if (pin)
566 return pin->cfg;
3be14149
TI		 567 pin = look_up_pincfg(codec, &codec->init_pins, nid);
568 if (pin)
569 return pin->cfg;
570 return 0;
571}
2698ea98 572EXPORT_SYMBOL_GPL(snd_hda_codec_get_pincfg);
3be14149 573
95a962c3
TI		 574/**
575 * snd_hda_codec_set_pin_target - remember the current pinctl target value
576 * @codec: the HDA codec
577 * @nid: pin NID
578 * @val: assigned pinctl value
579 *
580 * This function stores the given value to a pinctl target value in the
581 * pincfg table. This isn't always as same as the actually written value
582 * but can be referred at any time via snd_hda_codec_get_pin_target().
583 */
d7fdc00a
TI		 584int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid,
585 unsigned int val)
586{
587 struct hda_pincfg *pin;
588
589 pin = look_up_pincfg(codec, &codec->init_pins, nid);
590 if (!pin)
591 return -EINVAL;
592 pin->target = val;
593 return 0;
594}
2698ea98 595EXPORT_SYMBOL_GPL(snd_hda_codec_set_pin_target);
d7fdc00a 596
95a962c3
TI		 597/**
598 * snd_hda_codec_get_pin_target - return the current pinctl target value
599 * @codec: the HDA codec
600 * @nid: pin NID
601 */
d7fdc00a
TI		 602int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid)
603{
604 struct hda_pincfg *pin;
605
606 pin = look_up_pincfg(codec, &codec->init_pins, nid);
607 if (!pin)
608 return 0;
609 return pin->target;
610}
2698ea98 611EXPORT_SYMBOL_GPL(snd_hda_codec_get_pin_target);
d7fdc00a 612
92ee6162
TI		 613/**
614 * snd_hda_shutup_pins - Shut up all pins
615 * @codec: the HDA codec
616 *
617 * Clear all pin controls to shup up before suspend for avoiding click noise.
618 * The controls aren't cached so that they can be resumed properly.
619 */
620void snd_hda_shutup_pins(struct hda_codec *codec)
621{
a9c2dfc8 622 const struct hda_pincfg *pin;
92ee6162 623 int i;
a9c2dfc8 624
ac0547dc
TI		 625 /* don't shut up pins when unloading the driver; otherwise it breaks
626 * the default pin setup at the next load of the driver
627 */
628 if (codec->bus->shutdown)
629 return;
a9c2dfc8 630 snd_array_for_each(&codec->init_pins, i, pin) {
92ee6162
TI		 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{
a9c2dfc8 643 const struct hda_pincfg *pin;
ac0547dc 644 int i;
a9c2dfc8 645
ac0547dc
TI		 646 if (!codec->pins_shutup)
647 return;
648 if (codec->bus->shutdown)
649 return;
a9c2dfc8 650 snd_array_for_each(&codec->init_pins, i, pin) {
ac0547dc
TI		 651 snd_hda_codec_write(codec, pin->nid, 0,
652 AC_VERB_SET_PIN_WIDGET_CONTROL,
653 pin->ctrl);
654 }
655 codec->pins_shutup = 0;
656}
1c7276cf 657#endif
ac0547dc 658
26a6cb6c
DH		 659static void hda_jackpoll_work(struct work_struct *work)
660{
661 struct hda_codec *codec =
662 container_of(work, struct hda_codec, jackpoll_work.work);
26a6cb6c
DH		 663
664 snd_hda_jack_set_dirty_all(codec);
665 snd_hda_jack_poll_all(codec);
18e60627
WX		 666
667 if (!codec->jackpoll_interval)
668 return;
669
2f35c630
TI		 670 schedule_delayed_work(&codec->jackpoll_work,
671 codec->jackpoll_interval);
26a6cb6c
DH		 672}
673
3fdf1469
TI		 674/* release all pincfg lists */
675static void free_init_pincfgs(struct hda_codec *codec)
3be14149 676{
346ff70f 677 snd_array_free(&codec->driver_pins);
648a8d27 678#ifdef CONFIG_SND_HDA_RECONFIG
346ff70f 679 snd_array_free(&codec->user_pins);
3be14149 680#endif
3be14149
TI		 681 snd_array_free(&codec->init_pins);
682}
683
eb541337
TI		 684/*
685 * audio-converter setup caches
686 */
687struct hda_cvt_setup {
688 hda_nid_t nid;
689 u8 stream_tag;
690 u8 channel_id;
691 u16 format_id;
692 unsigned char active; /* cvt is currently used */
693 unsigned char dirty; /* setups should be cleared */
694};
695
696/* get or create a cache entry for the given audio converter NID */
697static struct hda_cvt_setup *
698get_hda_cvt_setup(struct hda_codec *codec, hda_nid_t nid)
699{
700 struct hda_cvt_setup *p;
701 int i;
702
a9c2dfc8 703 snd_array_for_each(&codec->cvt_setups, i, p) {
eb541337
TI		 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
9780ded3 982 err = snd_hdac_refresh_widgets(&codec->core, true);
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) {
a9c2dfc8 1081 snd_array_for_each(&c->cvt_setups, i, p) {
62b7e5e0 1082 if (!p->active && p->stream_tag == stream_tag &&
54c2a89f 1083 get_wcaps_type(get_wcaps(c, p->nid)) == type)
3f50ac6a
TI		 1084 p->dirty = 1;
1085 }
eb541337 1086 }
1da177e4 1087}
2698ea98 1088EXPORT_SYMBOL_GPL(snd_hda_codec_setup_stream);
1da177e4 1089
f0cea797
TI		 1090static void really_cleanup_stream(struct hda_codec *codec,
1091 struct hda_cvt_setup *q);
1092
d5191e50 1093/**
f0cea797 1094 * __snd_hda_codec_cleanup_stream - clean up the codec for closing
d5191e50
TI		 1095 * @codec: the CODEC to clean up
1096 * @nid: the NID to clean up
f0cea797 1097 * @do_now: really clean up the stream instead of clearing the active flag
d5191e50 1098 */
f0cea797
TI		 1099void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
1100 int do_now)
888afa15 1101{
eb541337
TI		 1102 struct hda_cvt_setup *p;
1103
888afa15
TI		 1104 if (!nid)
1105 return;
1106
0e7adbe2
TI		 1107 if (codec->no_sticky_stream)
1108 do_now = 1;
1109
4e76a883 1110 codec_dbg(codec, "hda_codec_cleanup_stream: NID=0x%x\n", nid);
eb541337 1111 p = get_hda_cvt_setup(codec, nid);
6c35ae3c 1112 if (p) {
f0cea797
TI		 1113 /* here we just clear the active flag when do_now isn't set;
1114 * actual clean-ups will be done later in
1115 * purify_inactive_streams() called from snd_hda_codec_prpapre()
1116 */
1117 if (do_now)
1118 really_cleanup_stream(codec, p);
1119 else
1120 p->active = 0;
1121 }
eb541337 1122}
2698ea98 1123EXPORT_SYMBOL_GPL(__snd_hda_codec_cleanup_stream);
eb541337
TI		 1124
1125static void really_cleanup_stream(struct hda_codec *codec,
1126 struct hda_cvt_setup *q)
1127{
1128 hda_nid_t nid = q->nid;
218264ae
TI		 1129 if (q->stream_tag || q->channel_id)
1130 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1131 if (q->format_id)
1132 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0
1133);
eb541337
TI		 1134 memset(q, 0, sizeof(*q));
1135 q->nid = nid;
e6feb5d0
TI		 1136 if (codec->patch_ops.stream_pm)
1137 codec->patch_ops.stream_pm(codec, nid, false);
eb541337
TI		 1138}
1139
1140/* clean up the all conflicting obsolete streams */
1141static void purify_inactive_streams(struct hda_codec *codec)
1142{
3f50ac6a 1143 struct hda_codec *c;
a9c2dfc8 1144 struct hda_cvt_setup *p;
eb541337
TI		 1145 int i;
1146
d068ebc2 1147 list_for_each_codec(c, codec->bus) {
a9c2dfc8 1148 snd_array_for_each(&c->cvt_setups, i, p) {
3f50ac6a
TI		 1149 if (p->dirty)
1150 really_cleanup_stream(c, p);
1151 }
eb541337
TI		 1152 }
1153}
1154
2a43952a 1155#ifdef CONFIG_PM
eb541337
TI		 1156/* clean up all streams; called from suspend */
1157static void hda_cleanup_all_streams(struct hda_codec *codec)
1158{
a9c2dfc8 1159 struct hda_cvt_setup *p;
eb541337
TI		 1160 int i;
1161
a9c2dfc8 1162 snd_array_for_each(&codec->cvt_setups, i, p) {
eb541337
TI		 1163 if (p->stream_tag)
1164 really_cleanup_stream(codec, p);
1165 }
888afa15 1166}
1c7276cf 1167#endif
888afa15 1168
1da177e4
LT		 1169/*
1170 * amp access functions
1171 */
1172
d5191e50
TI		 1173/**
1174 * query_amp_caps - query AMP capabilities
1175 * @codec: the HD-auio codec
1176 * @nid: the NID to query
1177 * @direction: either #HDA_INPUT or #HDA_OUTPUT
1178 *
1179 * Query AMP capabilities for the given widget and direction.
1180 * Returns the obtained capability bits.
1181 *
1182 * When cap bits have been already read, this doesn't read again but
1183 * returns the cached value.
1da177e4 1184 */
09a99959 1185u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
1da177e4 1186{
faa75f8a
TI		 1187 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
1188 nid = codec->core.afg;
1189 return snd_hda_param_read(codec, nid,
1190 direction == HDA_OUTPUT ?
1191 AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
1da177e4 1192}
2698ea98 1193EXPORT_SYMBOL_GPL(query_amp_caps);
1da177e4 1194
861a04ed
DH		 1195/**
1196 * snd_hda_check_amp_caps - query AMP capabilities
1197 * @codec: the HD-audio codec
1198 * @nid: the NID to query
1199 * @dir: either #HDA_INPUT or #HDA_OUTPUT
a11e9b16 1200 * @bits: bit mask to check the result
861a04ed
DH		 1201 *
1202 * Check whether the widget has the given amp capability for the direction.
1203 */
1204bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
1205 int dir, unsigned int bits)
1206{
1207 if (!nid)
1208 return false;
1209 if (get_wcaps(codec, nid) & (1 << (dir + 1)))
1210 if (query_amp_caps(codec, nid, dir) & bits)
1211 return true;
1212 return false;
1213}
1214EXPORT_SYMBOL_GPL(snd_hda_check_amp_caps);
1215
d5191e50
TI		 1216/**
1217 * snd_hda_override_amp_caps - Override the AMP capabilities
1218 * @codec: the CODEC to clean up
1219 * @nid: the NID to clean up
a11e9b16 1220 * @dir: either #HDA_INPUT or #HDA_OUTPUT
d5191e50
TI		 1221 * @caps: the capability bits to set
1222 *
1223 * Override the cached AMP caps bits value by the given one.
1224 * This function is useful if the driver needs to adjust the AMP ranges,
1225 * e.g. limit to 0dB, etc.
1226 *
1227 * Returns zero if successful or a negative error code.
1228 */
897cc188
TI		 1229int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
1230 unsigned int caps)
1231{
faa75f8a 1232 unsigned int parm;
897cc188 1233
faa75f8a
TI		 1234 snd_hda_override_wcaps(codec, nid,
1235 get_wcaps(codec, nid) | AC_WCAP_AMP_OVRD);
1236 parm = dir == HDA_OUTPUT ? AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP;
1237 return snd_hdac_override_parm(&codec->core, nid, parm, caps);
f57c2565 1238}
faa75f8a 1239EXPORT_SYMBOL_GPL(snd_hda_override_amp_caps);
f57c2565 1240
a686ec4c
TI		 1241/**
1242 * snd_hda_codec_amp_update - update the AMP mono value
1243 * @codec: HD-audio codec
1244 * @nid: NID to read the AMP value
1245 * @ch: channel to update (0 or 1)
1246 * @dir: #HDA_INPUT or #HDA_OUTPUT
1247 * @idx: the index value (only for input direction)
1248 * @mask: bit mask to set
1249 * @val: the bits value to set
1250 *
1251 * Update the AMP values for the given channel, direction and index.
1252 */
1253int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid,
1254 int ch, int dir, int idx, int mask, int val)
1255{
1256 unsigned int cmd = snd_hdac_regmap_encode_amp(nid, ch, dir, idx);
1257
1258 /* enable fake mute if no h/w mute but min=mute */
1259 if ((query_amp_caps(codec, nid, dir) &
1260 (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) == AC_AMPCAP_MIN_MUTE)
1261 cmd |= AC_AMP_FAKE_MUTE;
1262 return snd_hdac_regmap_update_raw(&codec->core, cmd, mask, val);
1263}
1264EXPORT_SYMBOL_GPL(snd_hda_codec_amp_update);
1265
d5191e50
TI		 1266/**
1267 * snd_hda_codec_amp_stereo - update the AMP stereo values
1268 * @codec: HD-audio codec
1269 * @nid: NID to read the AMP value
1270 * @direction: #HDA_INPUT or #HDA_OUTPUT
1271 * @idx: the index value (only for input direction)
1272 * @mask: bit mask to set
1273 * @val: the bits value to set
1274 *
1275 * Update the AMP values like snd_hda_codec_amp_update(), but for a
1276 * stereo widget with the same mask and value.
47fd830a
TI		 1277 */
1278int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
1279 int direction, int idx, int mask, int val)
1280{
1281 int ch, ret = 0;
46712646
TI		 1282
1283 if (snd_BUG_ON(mask & ~0xff))
1284 mask &= 0xff;
47fd830a
TI		 1285 for (ch = 0; ch < 2; ch++)
1286 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
1287 idx, mask, val);
1288 return ret;
1289}
2698ea98 1290EXPORT_SYMBOL_GPL(snd_hda_codec_amp_stereo);
47fd830a 1291
95a962c3
TI		 1292/**
1293 * snd_hda_codec_amp_init - initialize the AMP value
1294 * @codec: the HDA codec
1295 * @nid: NID to read the AMP value
1296 * @ch: channel (left=0 or right=1)
1297 * @dir: #HDA_INPUT or #HDA_OUTPUT
1298 * @idx: the index value (only for input direction)
1299 * @mask: bit mask to set
1300 * @val: the bits value to set
1301 *
1302 * Works like snd_hda_codec_amp_update() but it writes the value only at
280e57d5
TI		 1303 * the first access. If the amp was already initialized / updated beforehand,
1304 * this does nothing.
1305 */
1306int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
1307 int dir, int idx, int mask, int val)
1308{
eeecd9d1
TI		 1309 int orig;
1310
1311 if (!codec->core.regmap)
1312 return -EINVAL;
1313 regcache_cache_only(codec->core.regmap, true);
1314 orig = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
1315 regcache_cache_only(codec->core.regmap, false);
1316 if (orig >= 0)
1317 return 0;
1318 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx, mask, val);
280e57d5 1319}
2698ea98 1320EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init);
280e57d5 1321
95a962c3
TI		 1322/**
1323 * snd_hda_codec_amp_init_stereo - initialize the stereo AMP value
1324 * @codec: the HDA codec
1325 * @nid: NID to read the AMP value
1326 * @dir: #HDA_INPUT or #HDA_OUTPUT
1327 * @idx: the index value (only for input direction)
1328 * @mask: bit mask to set
1329 * @val: the bits value to set
1330 *
1331 * Call snd_hda_codec_amp_init() for both stereo channels.
1332 */
280e57d5
TI		 1333int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
1334 int dir, int idx, int mask, int val)
1335{
1336 int ch, ret = 0;
1337
1338 if (snd_BUG_ON(mask & ~0xff))
1339 mask &= 0xff;
1340 for (ch = 0; ch < 2; ch++)
1341 ret |= snd_hda_codec_amp_init(codec, nid, ch, dir,
1342 idx, mask, val);
1343 return ret;
1344}
2698ea98 1345EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init_stereo);
280e57d5 1346
afbd9b84
TI		 1347static u32 get_amp_max_value(struct hda_codec *codec, hda_nid_t nid, int dir,
1348 unsigned int ofs)
1349{
1350 u32 caps = query_amp_caps(codec, nid, dir);
1351 /* get num steps */
1352 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1353 if (ofs < caps)
1354 caps -= ofs;
1355 return caps;
1356}
1357
d5191e50
TI		 1358/**
1359 * snd_hda_mixer_amp_volume_info - Info callback for a standard AMP mixer
a11e9b16
TI		 1360 * @kcontrol: referred ctl element
1361 * @uinfo: pointer to get/store the data
d5191e50
TI		 1362 *
1363 * The control element is supposed to have the private_value field
1364 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1365 */
0ba21762
TI		 1366int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
1367 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 1368{
1369 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1370 u16 nid = get_amp_nid(kcontrol);
1371 u8 chs = get_amp_channels(kcontrol);
1372 int dir = get_amp_direction(kcontrol);
29fdbec2 1373 unsigned int ofs = get_amp_offset(kcontrol);
1da177e4 1374
afbd9b84
TI		 1375 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1376 uinfo->count = chs == 3 ? 2 : 1;
1377 uinfo->value.integer.min = 0;
1378 uinfo->value.integer.max = get_amp_max_value(codec, nid, dir, ofs);
1379 if (!uinfo->value.integer.max) {
4e76a883
TI		 1380 codec_warn(codec,
1381 "num_steps = 0 for NID=0x%x (ctl = %s)\n",
1382 nid, kcontrol->id.name);
1da177e4
LT		 1383 return -EINVAL;
1384 }
1da177e4
LT		 1385 return 0;
1386}
2698ea98 1387EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_info);
1da177e4 1388
29fdbec2
TI		 1389
1390static inline unsigned int
1391read_amp_value(struct hda_codec *codec, hda_nid_t nid,
1392 int ch, int dir, int idx, unsigned int ofs)
1393{
1394 unsigned int val;
1395 val = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
1396 val &= HDA_AMP_VOLMASK;
1397 if (val >= ofs)
1398 val -= ofs;
1399 else
1400 val = 0;
1401 return val;
1402}
1403
1404static inline int
1405update_amp_value(struct hda_codec *codec, hda_nid_t nid,
1406 int ch, int dir, int idx, unsigned int ofs,
1407 unsigned int val)
1408{
afbd9b84
TI		 1409 unsigned int maxval;
1410
29fdbec2
TI		 1411 if (val > 0)
1412 val += ofs;
7ccc3efa
TI		 1413 /* ofs = 0: raw max value */
1414 maxval = get_amp_max_value(codec, nid, dir, 0);
afbd9b84
TI		 1415 if (val > maxval)
1416 val = maxval;
eeecd9d1
TI		 1417 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx,
1418 HDA_AMP_VOLMASK, val);
29fdbec2
TI		 1419}
1420
d5191e50
TI		 1421/**
1422 * snd_hda_mixer_amp_volume_get - Get callback for a standard AMP mixer volume
a11e9b16
TI		 1423 * @kcontrol: ctl element
1424 * @ucontrol: pointer to get/store the data
d5191e50
TI		 1425 *
1426 * The control element is supposed to have the private_value field
1427 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1428 */
0ba21762
TI		 1429int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
1430 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1431{
1432 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1433 hda_nid_t nid = get_amp_nid(kcontrol);
1434 int chs = get_amp_channels(kcontrol);
1435 int dir = get_amp_direction(kcontrol);
1436 int idx = get_amp_index(kcontrol);
29fdbec2 1437 unsigned int ofs = get_amp_offset(kcontrol);
1da177e4
LT		 1438 long *valp = ucontrol->value.integer.value;
1439
1440 if (chs & 1)
29fdbec2 1441 *valp++ = read_amp_value(codec, nid, 0, dir, idx, ofs);
1da177e4 1442 if (chs & 2)
29fdbec2 1443 *valp = read_amp_value(codec, nid, 1, dir, idx, ofs);
1da177e4
LT		 1444 return 0;
1445}
2698ea98 1446EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_get);
1da177e4 1447
d5191e50
TI		 1448/**
1449 * snd_hda_mixer_amp_volume_put - Put callback for a standard AMP mixer volume
a11e9b16
TI		 1450 * @kcontrol: ctl element
1451 * @ucontrol: pointer to get/store the data
d5191e50
TI		 1452 *
1453 * The control element is supposed to have the private_value field
1454 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1455 */
0ba21762
TI		 1456int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1457 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 1458{
1459 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1460 hda_nid_t nid = get_amp_nid(kcontrol);
1461 int chs = get_amp_channels(kcontrol);
1462 int dir = get_amp_direction(kcontrol);
1463 int idx = get_amp_index(kcontrol);
29fdbec2 1464 unsigned int ofs = get_amp_offset(kcontrol);
1da177e4
LT		 1465 long *valp = ucontrol->value.integer.value;
1466 int change = 0;
1467
b9f5a89c 1468 if (chs & 1) {
29fdbec2 1469 change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp);
b9f5a89c
NG		 1470 valp++;
1471 }
4a19faee 1472 if (chs & 2)
29fdbec2 1473 change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp);
1da177e4
LT		 1474 return change;
1475}
2698ea98 1476EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_put);
1da177e4 1477
99b5c5bb
TI		 1478/* inquiry the amp caps and convert to TLV */
1479static void get_ctl_amp_tlv(struct snd_kcontrol *kcontrol, unsigned int *tlv)
302e9c5a
JK		 1480{
1481 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1482 hda_nid_t nid = get_amp_nid(kcontrol);
1483 int dir = get_amp_direction(kcontrol);
29fdbec2 1484 unsigned int ofs = get_amp_offset(kcontrol);
de8c85f7 1485 bool min_mute = get_amp_min_mute(kcontrol);
302e9c5a
JK		 1486 u32 caps, val1, val2;
1487
302e9c5a 1488 caps = query_amp_caps(codec, nid, dir);
0ba21762
TI		 1489 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1490 val2 = (val2 + 1) * 25;
302e9c5a 1491 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
29fdbec2 1492 val1 += ofs;
302e9c5a 1493 val1 = ((int)val1) * ((int)val2);
3868137e 1494 if (min_mute || (caps & AC_AMPCAP_MIN_MUTE))
c08d9169 1495 val2 |= TLV_DB_SCALE_MUTE;
51cdc8b6
TS		 1496 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1497 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1498 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = val1;
1499 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = val2;
99b5c5bb
TI		 1500}
1501
1502/**
f0049e16 1503 * snd_hda_mixer_amp_tlv - TLV callback for a standard AMP mixer volume
99b5c5bb
TI		 1504 * @kcontrol: ctl element
1505 * @op_flag: operation flag
1506 * @size: byte size of input TLV
1507 * @_tlv: TLV data
1508 *
1509 * The control element is supposed to have the private_value field
1510 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1511 */
1512int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1513 unsigned int size, unsigned int __user *_tlv)
1514{
1515 unsigned int tlv[4];
1516
1517 if (size < 4 * sizeof(unsigned int))
1518 return -ENOMEM;
1519 get_ctl_amp_tlv(kcontrol, tlv);
1520 if (copy_to_user(_tlv, tlv, sizeof(tlv)))
302e9c5a
JK		 1521 return -EFAULT;
1522 return 0;
1523}
2698ea98 1524EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_tlv);
302e9c5a 1525
d5191e50
TI		 1526/**
1527 * snd_hda_set_vmaster_tlv - Set TLV for a virtual master control
1528 * @codec: HD-audio codec
1529 * @nid: NID of a reference widget
1530 * @dir: #HDA_INPUT or #HDA_OUTPUT
1531 * @tlv: TLV data to be stored, at least 4 elements
1532 *
1533 * Set (static) TLV data for a virtual master volume using the AMP caps
1534 * obtained from the reference NID.
1535 * The volume range is recalculated as if the max volume is 0dB.
2134ea4f
TI		 1536 */
1537void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1538 unsigned int *tlv)
1539{
1540 u32 caps;
1541 int nums, step;
1542
1543 caps = query_amp_caps(codec, nid, dir);
1544 nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1545 step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1546 step = (step + 1) * 25;
51cdc8b6
TS		 1547 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1548 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1549 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = -nums * step;
1550 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = step;
2134ea4f 1551}
2698ea98 1552EXPORT_SYMBOL_GPL(snd_hda_set_vmaster_tlv);
2134ea4f
TI		 1553
1554/* find a mixer control element with the given name */
09f99701 1555static struct snd_kcontrol *
dcda5806 1556find_mixer_ctl(struct hda_codec *codec, const char *name, int dev, int idx)
2134ea4f
TI		 1557{
1558 struct snd_ctl_elem_id id;
1559 memset(&id, 0, sizeof(id));
1560 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
dcda5806 1561 id.device = dev;
09f99701 1562 id.index = idx;
18cb7109
TI		 1563 if (snd_BUG_ON(strlen(name) >= sizeof(id.name)))
1564 return NULL;
2134ea4f 1565 strcpy(id.name, name);
6efdd851 1566 return snd_ctl_find_id(codec->card, &id);
2134ea4f
TI		 1567}
1568
d5191e50
TI		 1569/**
1570 * snd_hda_find_mixer_ctl - Find a mixer control element with the given name
1571 * @codec: HD-audio codec
1572 * @name: ctl id name string
1573 *
1574 * Get the control element with the given id string and IFACE_MIXER.
1575 */
09f99701
TI		 1576struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1577 const char *name)
1578{
dcda5806 1579 return find_mixer_ctl(codec, name, 0, 0);
09f99701 1580}
2698ea98 1581EXPORT_SYMBOL_GPL(snd_hda_find_mixer_ctl);
09f99701 1582
dcda5806 1583static int find_empty_mixer_ctl_idx(struct hda_codec *codec, const char *name,
ea9b43ad 1584 int start_idx)
1afe206a 1585{
ea9b43ad
TI		 1586 int i, idx;
1587 /* 16 ctlrs should be large enough */
1588 for (i = 0, idx = start_idx; i < 16; i++, idx++) {
1589 if (!find_mixer_ctl(codec, name, 0, idx))
1afe206a
TI		 1590 return idx;
1591 }
1592 return -EBUSY;
1593}
1594
d5191e50 1595/**
5b0cb1d8 1596 * snd_hda_ctl_add - Add a control element and assign to the codec
d5191e50
TI		 1597 * @codec: HD-audio codec
1598 * @nid: corresponding NID (optional)
1599 * @kctl: the control element to assign
1600 *
1601 * Add the given control element to an array inside the codec instance.
1602 * All control elements belonging to a codec are supposed to be added
1603 * by this function so that a proper clean-up works at the free or
1604 * reconfiguration time.
1605 *
1606 * If non-zero @nid is passed, the NID is assigned to the control element.
1607 * The assignment is shown in the codec proc file.
1608 *
1609 * snd_hda_ctl_add() checks the control subdev id field whether
1610 * #HDA_SUBDEV_NID_FLAG bit is set. If set (and @nid is zero), the lower
9e3fd871
JK		 1611 * bits value is taken as the NID to assign. The #HDA_NID_ITEM_AMP bit
1612 * specifies if kctl->private_value is a HDA amplifier value.
d5191e50 1613 */
3911a4c1
JK		 1614int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
1615 struct snd_kcontrol *kctl)
d13bd412
TI		 1616{
1617 int err;
9e3fd871 1618 unsigned short flags = 0;
3911a4c1 1619 struct hda_nid_item *item;
d13bd412 1620
5e26dfd0 1621 if (kctl->id.subdevice & HDA_SUBDEV_AMP_FLAG) {
9e3fd871 1622 flags |= HDA_NID_ITEM_AMP;
5e26dfd0
JK		 1623 if (nid == 0)
1624 nid = get_amp_nid_(kctl->private_value);
1625 }
9e3fd871
JK		 1626 if ((kctl->id.subdevice & HDA_SUBDEV_NID_FLAG) != 0 && nid == 0)
1627 nid = kctl->id.subdevice & 0xffff;
5e26dfd0 1628 if (kctl->id.subdevice & (HDA_SUBDEV_NID_FLAG|HDA_SUBDEV_AMP_FLAG))
4d02d1b6 1629 kctl->id.subdevice = 0;
6efdd851 1630 err = snd_ctl_add(codec->card, kctl);
d13bd412
TI		 1631 if (err < 0)
1632 return err;
3911a4c1
JK		 1633 item = snd_array_new(&codec->mixers);
1634 if (!item)
d13bd412 1635 return -ENOMEM;
3911a4c1
JK		 1636 item->kctl = kctl;
1637 item->nid = nid;
9e3fd871 1638 item->flags = flags;
d13bd412
TI		 1639 return 0;
1640}
2698ea98 1641EXPORT_SYMBOL_GPL(snd_hda_ctl_add);
d13bd412 1642
5b0cb1d8
JK		 1643/**
1644 * snd_hda_add_nid - Assign a NID to a control element
1645 * @codec: HD-audio codec
1646 * @nid: corresponding NID (optional)
1647 * @kctl: the control element to assign
1648 * @index: index to kctl
1649 *
1650 * Add the given control element to an array inside the codec instance.
1651 * This function is used when #snd_hda_ctl_add cannot be used for 1:1
1652 * NID:KCTL mapping - for example "Capture Source" selector.
1653 */
1654int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
1655 unsigned int index, hda_nid_t nid)
1656{
1657 struct hda_nid_item *item;
1658
1659 if (nid > 0) {
1660 item = snd_array_new(&codec->nids);
1661 if (!item)
1662 return -ENOMEM;
1663 item->kctl = kctl;
1664 item->index = index;
1665 item->nid = nid;
1666 return 0;
1667 }
4e76a883
TI		 1668 codec_err(codec, "no NID for mapping control %s:%d:%d\n",
1669 kctl->id.name, kctl->id.index, index);
5b0cb1d8
JK		 1670 return -EINVAL;
1671}
2698ea98 1672EXPORT_SYMBOL_GPL(snd_hda_add_nid);
5b0cb1d8 1673
d5191e50
TI		 1674/**
1675 * snd_hda_ctls_clear - Clear all controls assigned to the given codec
1676 * @codec: HD-audio codec
1677 */
d13bd412
TI		 1678void snd_hda_ctls_clear(struct hda_codec *codec)
1679{
1680 int i;
3911a4c1 1681 struct hda_nid_item *items = codec->mixers.list;
d13bd412 1682 for (i = 0; i < codec->mixers.used; i++)
6efdd851 1683 snd_ctl_remove(codec->card, items[i].kctl);
d13bd412 1684 snd_array_free(&codec->mixers);
5b0cb1d8 1685 snd_array_free(&codec->nids);
d13bd412
TI		 1686}
1687
95a962c3
TI		 1688/**
1689 * snd_hda_lock_devices - pseudo device locking
1690 * @bus: the BUS
1691 *
a65d629c
TI		 1692 * toggle card->shutdown to allow/disallow the device access (as a hack)
1693 */
d3d020bd 1694int snd_hda_lock_devices(struct hda_bus *bus)
6c1f45ea 1695{
d3d020bd
TI		 1696 struct snd_card *card = bus->card;
1697 struct hda_codec *codec;
1698
a65d629c 1699 spin_lock(&card->files_lock);
d3d020bd
TI		 1700 if (card->shutdown)
1701 goto err_unlock;
a65d629c 1702 card->shutdown = 1;
d3d020bd
TI		 1703 if (!list_empty(&card->ctl_files))
1704 goto err_clear;
1705
d068ebc2 1706 list_for_each_codec(codec, bus) {
bbbc7e85
TI		 1707 struct hda_pcm *cpcm;
1708 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
d3d020bd
TI		 1709 if (!cpcm->pcm)
1710 continue;
1711 if (cpcm->pcm->streams[0].substream_opened ||
1712 cpcm->pcm->streams[1].substream_opened)
1713 goto err_clear;
1714 }
1715 }
a65d629c
TI		 1716 spin_unlock(&card->files_lock);
1717 return 0;
d3d020bd
TI		 1718
1719 err_clear:
1720 card->shutdown = 0;
1721 err_unlock:
1722 spin_unlock(&card->files_lock);
1723 return -EINVAL;
a65d629c 1724}
2698ea98 1725EXPORT_SYMBOL_GPL(snd_hda_lock_devices);
a65d629c 1726
95a962c3
TI		 1727/**
1728 * snd_hda_unlock_devices - pseudo device unlocking
1729 * @bus: the BUS
1730 */
d3d020bd 1731void snd_hda_unlock_devices(struct hda_bus *bus)
a65d629c 1732{
d3d020bd
TI		 1733 struct snd_card *card = bus->card;
1734
a65d629c
TI		 1735 spin_lock(&card->files_lock);
1736 card->shutdown = 0;
1737 spin_unlock(&card->files_lock);
1738}
2698ea98 1739EXPORT_SYMBOL_GPL(snd_hda_unlock_devices);
a65d629c 1740
d5191e50
TI		 1741/**
1742 * snd_hda_codec_reset - Clear all objects assigned to the codec
1743 * @codec: HD-audio codec
1744 *
1745 * This frees the all PCM and control elements assigned to the codec, and
1746 * clears the caches and restores the pin default configurations.
1747 *
1748 * When a device is being used, it returns -EBSY. If successfully freed,
1749 * returns zero.
1750 */
a65d629c
TI		 1751int snd_hda_codec_reset(struct hda_codec *codec)
1752{
d3d020bd 1753 struct hda_bus *bus = codec->bus;
a65d629c 1754
d3d020bd 1755 if (snd_hda_lock_devices(bus) < 0)
a65d629c 1756 return -EBUSY;
a65d629c
TI		 1757
1758 /* OK, let it free */
3256be65 1759 snd_hdac_device_unregister(&codec->core);
d8a766a1 1760
a65d629c 1761 /* allow device access again */
d3d020bd 1762 snd_hda_unlock_devices(bus);
a65d629c 1763 return 0;
6c1f45ea
TI		 1764}
1765
6194b99d 1766typedef int (*map_slave_func_t)(struct hda_codec *, void *, struct snd_kcontrol *);
aeb4b88e
TI		 1767
1768/* apply the function to all matching slave ctls in the mixer list */
1769static int map_slaves(struct hda_codec *codec, const char * const *slaves,
9322ca54 1770 const char *suffix, map_slave_func_t func, void *data)
aeb4b88e
TI		 1771{
1772 struct hda_nid_item *items;
1773 const char * const *s;
1774 int i, err;
1775
1776 items = codec->mixers.list;
1777 for (i = 0; i < codec->mixers.used; i++) {
1778 struct snd_kcontrol *sctl = items[i].kctl;
ca16ec02 1779 if (!sctl || sctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER)
aeb4b88e
TI		 1780 continue;
1781 for (s = slaves; *s; s++) {
9322ca54
TI		 1782 char tmpname[sizeof(sctl->id.name)];
1783 const char *name = *s;
1784 if (suffix) {
1785 snprintf(tmpname, sizeof(tmpname), "%s %s",
1786 name, suffix);
1787 name = tmpname;
1788 }
9322ca54 1789 if (!strcmp(sctl->id.name, name)) {
6194b99d 1790 err = func(codec, data, sctl);
aeb4b88e
TI		 1791 if (err)
1792 return err;
1793 break;
1794 }
1795 }
1796 }
1797 return 0;
1798}
1799
6194b99d
TI		 1800static int check_slave_present(struct hda_codec *codec,
1801 void *data, struct snd_kcontrol *sctl)
aeb4b88e
TI		 1802{
1803 return 1;
1804}
1805
18478e8b
TI		 1806/* call kctl->put with the given value(s) */
1807static int put_kctl_with_value(struct snd_kcontrol *kctl, int val)
1808{
1809 struct snd_ctl_elem_value *ucontrol;
1810 ucontrol = kzalloc(sizeof(*ucontrol), GFP_KERNEL);
1811 if (!ucontrol)
1812 return -ENOMEM;
1813 ucontrol->value.integer.value[0] = val;
1814 ucontrol->value.integer.value[1] = val;
1815 kctl->put(kctl, ucontrol);
1816 kfree(ucontrol);
1817 return 0;
1818}
1819
a91d6612
TI		 1820struct slave_init_arg {
1821 struct hda_codec *codec;
1822 int step;
1823};
1824
1825/* initialize the slave volume with 0dB via snd_ctl_apply_vmaster_slaves() */
d6c0615f
TI		 1826static int init_slave_0dB(struct snd_kcontrol *slave,
1827 struct snd_kcontrol *kctl,
1828 void *_arg)
18478e8b 1829{
a91d6612
TI		 1830 struct slave_init_arg *arg = _arg;
1831 int _tlv[4];
1832 const int *tlv = NULL;
1833 int step;
1834 int val;
1835
1836 if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
1837 if (kctl->tlv.c != snd_hda_mixer_amp_tlv) {
1838 codec_err(arg->codec,
1839 "Unexpected TLV callback for slave %s:%d\n",
1840 kctl->id.name, kctl->id.index);
1841 return 0; /* ignore */
1842 }
1843 get_ctl_amp_tlv(kctl, _tlv);
1844 tlv = _tlv;
1845 } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ)
1846 tlv = kctl->tlv.p;
1847
51cdc8b6 1848 if (!tlv || tlv[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE)
a91d6612
TI		 1849 return 0;
1850
51cdc8b6 1851 step = tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP];
a91d6612
TI		 1852 step &= ~TLV_DB_SCALE_MUTE;
1853 if (!step)
1854 return 0;
1855 if (arg->step && arg->step != step) {
1856 codec_err(arg->codec,
1857 "Mismatching dB step for vmaster slave (%d!=%d)\n",
1858 arg->step, step);
1859 return 0;
1860 }
1861
1862 arg->step = step;
51cdc8b6 1863 val = -tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] / step;
a91d6612 1864 if (val > 0) {
d6c0615f 1865 put_kctl_with_value(slave, val);
a91d6612
TI		 1866 return val;
1867 }
1868
18478e8b
TI		 1869 return 0;
1870}
1871
a91d6612 1872/* unmute the slave via snd_ctl_apply_vmaster_slaves() */
d6c0615f
TI		 1873static int init_slave_unmute(struct snd_kcontrol *slave,
1874 struct snd_kcontrol *kctl,
1875 void *_arg)
18478e8b
TI		 1876{
1877 return put_kctl_with_value(slave, 1);
1878}
1879
e8750940
TI		 1880static int add_slave(struct hda_codec *codec,
1881 void *data, struct snd_kcontrol *slave)
1882{
1883 return snd_ctl_add_slave(data, slave);
1884}
1885
d5191e50 1886/**
95a962c3 1887 * __snd_hda_add_vmaster - create a virtual master control and add slaves
d5191e50
TI		 1888 * @codec: HD-audio codec
1889 * @name: vmaster control name
1890 * @tlv: TLV data (optional)
1891 * @slaves: slave control names (optional)
9322ca54 1892 * @suffix: suffix string to each slave name (optional)
18478e8b 1893 * @init_slave_vol: initialize slaves to unmute/0dB
29e5853d 1894 * @ctl_ret: store the vmaster kcontrol in return
d5191e50
TI		 1895 *
1896 * Create a virtual master control with the given name. The TLV data
1897 * must be either NULL or a valid data.
1898 *
1899 * @slaves is a NULL-terminated array of strings, each of which is a
1900 * slave control name. All controls with these names are assigned to
1901 * the new virtual master control.
1902 *
1903 * This function returns zero if successful or a negative error code.
1904 */
18478e8b 1905int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
9322ca54 1906 unsigned int *tlv, const char * const *slaves,
29e5853d
TI		 1907 const char *suffix, bool init_slave_vol,
1908 struct snd_kcontrol **ctl_ret)
2134ea4f
TI		 1909{
1910 struct snd_kcontrol *kctl;
2134ea4f
TI		 1911 int err;
1912
29e5853d
TI		 1913 if (ctl_ret)
1914 *ctl_ret = NULL;
1915
9322ca54 1916 err = map_slaves(codec, slaves, suffix, check_slave_present, NULL);
aeb4b88e 1917 if (err != 1) {
4e76a883 1918 codec_dbg(codec, "No slave found for %s\n", name);
2f085549
TI		 1919 return 0;
1920 }
2134ea4f
TI		 1921 kctl = snd_ctl_make_virtual_master(name, tlv);
1922 if (!kctl)
1923 return -ENOMEM;
3911a4c1 1924 err = snd_hda_ctl_add(codec, 0, kctl);
2134ea4f
TI		 1925 if (err < 0)
1926 return err;
28aedaf7 1927
e8750940 1928 err = map_slaves(codec, slaves, suffix, add_slave, kctl);
aeb4b88e
TI		 1929 if (err < 0)
1930 return err;
18478e8b
TI		 1931
1932 /* init with master mute & zero volume */
1933 put_kctl_with_value(kctl, 0);
485e3e0c 1934 if (init_slave_vol) {
a91d6612
TI		 1935 struct slave_init_arg arg = {
1936 .codec = codec,
1937 .step = 0,
1938 };
1939 snd_ctl_apply_vmaster_slaves(kctl,
1940 tlv ? init_slave_0dB : init_slave_unmute,
1941 &arg);
485e3e0c 1942 }
18478e8b 1943
29e5853d
TI		 1944 if (ctl_ret)
1945 *ctl_ret = kctl;
2134ea4f
TI		 1946 return 0;
1947}
2698ea98 1948EXPORT_SYMBOL_GPL(__snd_hda_add_vmaster);
2134ea4f 1949
d2f344b5
TI		 1950/*
1951 * mute-LED control using vmaster
1952 */
1953static int vmaster_mute_mode_info(struct snd_kcontrol *kcontrol,
1954 struct snd_ctl_elem_info *uinfo)
1955{
1956 static const char * const texts[] = {
c86c2d44 1957 "On", "Off", "Follow Master"
d2f344b5 1958 };
d2f344b5 1959
3ff72219 1960 return snd_ctl_enum_info(uinfo, 1, 3, texts);
d2f344b5
TI		 1961}
1962
1963static int vmaster_mute_mode_get(struct snd_kcontrol *kcontrol,
1964 struct snd_ctl_elem_value *ucontrol)
1965{
1966 struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
1967 ucontrol->value.enumerated.item[0] = hook->mute_mode;
1968 return 0;
1969}
1970
1971static int vmaster_mute_mode_put(struct snd_kcontrol *kcontrol,
1972 struct snd_ctl_elem_value *ucontrol)
1973{
1974 struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
1975 unsigned int old_mode = hook->mute_mode;
1976
1977 hook->mute_mode = ucontrol->value.enumerated.item[0];
1978 if (hook->mute_mode > HDA_VMUTE_FOLLOW_MASTER)
1979 hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
1980 if (old_mode == hook->mute_mode)
1981 return 0;
1982 snd_hda_sync_vmaster_hook(hook);
1983 return 1;
1984}
1985
f3b827e0 1986static const struct snd_kcontrol_new vmaster_mute_mode = {
d2f344b5
TI		 1987 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1988 .name = "Mute-LED Mode",
1989 .info = vmaster_mute_mode_info,
1990 .get = vmaster_mute_mode_get,
1991 .put = vmaster_mute_mode_put,
1992};
1993
ee52e56e
TI		 1994/* meta hook to call each driver's vmaster hook */
1995static void vmaster_hook(void *private_data, int enabled)
1996{
1997 struct hda_vmaster_mute_hook *hook = private_data;
1998
1999 if (hook->mute_mode != HDA_VMUTE_FOLLOW_MASTER)
2000 enabled = hook->mute_mode;
2001 hook->hook(hook->codec, enabled);
2002}
2003
95a962c3
TI		 2004/**
2005 * snd_hda_add_vmaster_hook - Add a vmaster hook for mute-LED
2006 * @codec: the HDA codec
2007 * @hook: the vmaster hook object
2008 * @expose_enum_ctl: flag to create an enum ctl
2009 *
2010 * Add a mute-LED hook with the given vmaster switch kctl.
2011 * When @expose_enum_ctl is set, "Mute-LED Mode" control is automatically
2012 * created and associated with the given hook.
d2f344b5
TI		 2013 */
2014int snd_hda_add_vmaster_hook(struct hda_codec *codec,
f29735cb
TI		 2015 struct hda_vmaster_mute_hook *hook,
2016 bool expose_enum_ctl)
d2f344b5
TI		 2017{
2018 struct snd_kcontrol *kctl;
2019
2020 if (!hook->hook || !hook->sw_kctl)
2021 return 0;
d2f344b5
TI		 2022 hook->codec = codec;
2023 hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
ee52e56e 2024 snd_ctl_add_vmaster_hook(hook->sw_kctl, vmaster_hook, hook);
f29735cb
TI		 2025 if (!expose_enum_ctl)
2026 return 0;
d2f344b5
TI		 2027 kctl = snd_ctl_new1(&vmaster_mute_mode, hook);
2028 if (!kctl)
2029 return -ENOMEM;
2030 return snd_hda_ctl_add(codec, 0, kctl);
2031}
2698ea98 2032EXPORT_SYMBOL_GPL(snd_hda_add_vmaster_hook);
d2f344b5 2033
95a962c3
TI		 2034/**
2035 * snd_hda_sync_vmaster_hook - Sync vmaster hook
2036 * @hook: the vmaster hook
2037 *
2038 * Call the hook with the current value for synchronization.
2039 * Should be called in init callback.
d2f344b5
TI		 2040 */
2041void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook)
2042{
2043 if (!hook->hook || !hook->codec)
2044 return;
594813ff
TI		 2045 /* don't call vmaster hook in the destructor since it might have
2046 * been already destroyed
2047 */
2048 if (hook->codec->bus->shutdown)
2049 return;
ee52e56e 2050 snd_ctl_sync_vmaster_hook(hook->sw_kctl);
d2f344b5 2051}
2698ea98 2052EXPORT_SYMBOL_GPL(snd_hda_sync_vmaster_hook);
d2f344b5
TI		 2053
2054
d5191e50
TI		 2055/**
2056 * snd_hda_mixer_amp_switch_info - Info callback for a standard AMP mixer switch
a11e9b16
TI		 2057 * @kcontrol: referred ctl element
2058 * @uinfo: pointer to get/store the data
d5191e50
TI		 2059 *
2060 * The control element is supposed to have the private_value field
2061 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2062 */
0ba21762
TI		 2063int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
2064 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 2065{
2066 int chs = get_amp_channels(kcontrol);
2067
2068 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2069 uinfo->count = chs == 3 ? 2 : 1;
2070 uinfo->value.integer.min = 0;
2071 uinfo->value.integer.max = 1;
2072 return 0;
2073}
2698ea98 2074EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_info);
1da177e4 2075
d5191e50
TI		 2076/**
2077 * snd_hda_mixer_amp_switch_get - Get callback for a standard AMP mixer switch
a11e9b16
TI		 2078 * @kcontrol: ctl element
2079 * @ucontrol: pointer to get/store the data
d5191e50
TI		 2080 *
2081 * The control element is supposed to have the private_value field
2082 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2083 */
0ba21762
TI		 2084int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
2085 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2086{
2087 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2088 hda_nid_t nid = get_amp_nid(kcontrol);
2089 int chs = get_amp_channels(kcontrol);
2090 int dir = get_amp_direction(kcontrol);
2091 int idx = get_amp_index(kcontrol);
2092 long *valp = ucontrol->value.integer.value;
2093
2094 if (chs & 1)
0ba21762 2095 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
47fd830a 2096 HDA_AMP_MUTE) ? 0 : 1;
1da177e4 2097 if (chs & 2)
0ba21762 2098 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
47fd830a 2099 HDA_AMP_MUTE) ? 0 : 1;
1da177e4
LT		 2100 return 0;
2101}
2698ea98 2102EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_get);
1da177e4 2103
d5191e50
TI		 2104/**
2105 * snd_hda_mixer_amp_switch_put - Put callback for a standard AMP mixer switch
a11e9b16
TI		 2106 * @kcontrol: ctl element
2107 * @ucontrol: pointer to get/store the data
d5191e50
TI		 2108 *
2109 * The control element is supposed to have the private_value field
2110 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2111 */
0ba21762
TI		 2112int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
2113 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2114{
2115 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2116 hda_nid_t nid = get_amp_nid(kcontrol);
2117 int chs = get_amp_channels(kcontrol);
2118 int dir = get_amp_direction(kcontrol);
2119 int idx = get_amp_index(kcontrol);
1da177e4
LT		 2120 long *valp = ucontrol->value.integer.value;
2121 int change = 0;
2122
b9f5a89c 2123 if (chs & 1) {
eeecd9d1
TI		 2124 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
2125 HDA_AMP_MUTE,
2126 *valp ? 0 : HDA_AMP_MUTE);
b9f5a89c
NG		 2127 valp++;
2128 }
4a19faee 2129 if (chs & 2)
eeecd9d1
TI		 2130 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
2131 HDA_AMP_MUTE,
2132 *valp ? 0 : HDA_AMP_MUTE);
9e5341b9 2133 hda_call_check_power_status(codec, nid);
1da177e4
LT		 2134 return change;
2135}
2698ea98 2136EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put);
1da177e4
LT		 2137
2138/*
2139 * SPDIF out controls
2140 */
2141
0ba21762
TI		 2142static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
2143 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 2144{
2145 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2146 uinfo->count = 1;
2147 return 0;
2148}
2149
0ba21762
TI		 2150static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
2151 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2152{
2153 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2154 IEC958_AES0_NONAUDIO |
2155 IEC958_AES0_CON_EMPHASIS_5015 |
2156 IEC958_AES0_CON_NOT_COPYRIGHT;
2157 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
2158 IEC958_AES1_CON_ORIGINAL;
2159 return 0;
2160}
2161
0ba21762
TI		 2162static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
2163 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2164{
2165 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2166 IEC958_AES0_NONAUDIO |
2167 IEC958_AES0_PRO_EMPHASIS_5015;
2168 return 0;
2169}
2170
0ba21762
TI		 2171static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
2172 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2173{
2174 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
7c935976 2175 int idx = kcontrol->private_value;
e3245cdd 2176 struct hda_spdif_out *spdif;
1da177e4 2177
08605068
TI		 2178 if (WARN_ON(codec->spdif_out.used <= idx))
2179 return -EINVAL;
e3245cdd
TI		 2180 mutex_lock(&codec->spdif_mutex);
2181 spdif = snd_array_elem(&codec->spdif_out, idx);
7c935976
SW		 2182 ucontrol->value.iec958.status[0] = spdif->status & 0xff;
2183 ucontrol->value.iec958.status[1] = (spdif->status >> 8) & 0xff;
2184 ucontrol->value.iec958.status[2] = (spdif->status >> 16) & 0xff;
2185 ucontrol->value.iec958.status[3] = (spdif->status >> 24) & 0xff;
e3245cdd 2186 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2187
2188 return 0;
2189}
2190
2191/* convert from SPDIF status bits to HDA SPDIF bits
2192 * bit 0 (DigEn) is always set zero (to be filled later)
2193 */
2194static unsigned short convert_from_spdif_status(unsigned int sbits)
2195{
2196 unsigned short val = 0;
2197
2198 if (sbits & IEC958_AES0_PROFESSIONAL)
0ba21762 2199 val |= AC_DIG1_PROFESSIONAL;
1da177e4 2200 if (sbits & IEC958_AES0_NONAUDIO)
0ba21762 2201 val |= AC_DIG1_NONAUDIO;
1da177e4 2202 if (sbits & IEC958_AES0_PROFESSIONAL) {
0ba21762
TI		 2203 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
2204 IEC958_AES0_PRO_EMPHASIS_5015)
2205 val |= AC_DIG1_EMPHASIS;
1da177e4 2206 } else {
0ba21762
TI		 2207 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
2208 IEC958_AES0_CON_EMPHASIS_5015)
2209 val |= AC_DIG1_EMPHASIS;
2210 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
2211 val |= AC_DIG1_COPYRIGHT;
1da177e4 2212 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
0ba21762 2213 val |= AC_DIG1_LEVEL;
1da177e4
LT		 2214 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
2215 }
2216 return val;
2217}
2218
2219/* convert to SPDIF status bits from HDA SPDIF bits
2220 */
2221static unsigned int convert_to_spdif_status(unsigned short val)
2222{
2223 unsigned int sbits = 0;
2224
0ba21762 2225 if (val & AC_DIG1_NONAUDIO)
1da177e4 2226 sbits |= IEC958_AES0_NONAUDIO;
0ba21762 2227 if (val & AC_DIG1_PROFESSIONAL)
1da177e4
LT		 2228 sbits |= IEC958_AES0_PROFESSIONAL;
2229 if (sbits & IEC958_AES0_PROFESSIONAL) {
a686fd14 2230 if (val & AC_DIG1_EMPHASIS)
1da177e4
LT		 2231 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
2232 } else {
0ba21762 2233 if (val & AC_DIG1_EMPHASIS)
1da177e4 2234 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
0ba21762 2235 if (!(val & AC_DIG1_COPYRIGHT))
1da177e4 2236 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
0ba21762 2237 if (val & AC_DIG1_LEVEL)
1da177e4
LT		 2238 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
2239 sbits |= val & (0x7f << 8);
2240 }
2241 return sbits;
2242}
2243
2f72853c
TI		 2244/* set digital convert verbs both for the given NID and its slaves */
2245static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
a551d914 2246 int mask, int val)
2f72853c 2247{
dda14410 2248 const hda_nid_t *d;
2f72853c 2249
a551d914
TI		 2250 snd_hdac_regmap_update(&codec->core, nid, AC_VERB_SET_DIGI_CONVERT_1,
2251 mask, val);
2f72853c
TI		 2252 d = codec->slave_dig_outs;
2253 if (!d)
2254 return;
2255 for (; *d; d++)
7d4b5e97 2256 snd_hdac_regmap_update(&codec->core, *d,
a551d914 2257 AC_VERB_SET_DIGI_CONVERT_1, mask, val);
2f72853c
TI		 2258}
2259
2260static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
2261 int dig1, int dig2)
2262{
a551d914
TI		 2263 unsigned int mask = 0;
2264 unsigned int val = 0;
2265
2266 if (dig1 != -1) {
2267 mask |= 0xff;
2268 val = dig1;
2269 }
2270 if (dig2 != -1) {
2271 mask |= 0xff00;
2272 val |= dig2 << 8;
2273 }
2274 set_dig_out(codec, nid, mask, val);
2f72853c
TI		 2275}
2276
0ba21762
TI		 2277static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
2278 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2279{
2280 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
7c935976 2281 int idx = kcontrol->private_value;
e3245cdd
TI		 2282 struct hda_spdif_out *spdif;
2283 hda_nid_t nid;
1da177e4
LT		 2284 unsigned short val;
2285 int change;
2286
08605068
TI		 2287 if (WARN_ON(codec->spdif_out.used <= idx))
2288 return -EINVAL;
62932df8 2289 mutex_lock(&codec->spdif_mutex);
e3245cdd
TI		 2290 spdif = snd_array_elem(&codec->spdif_out, idx);
2291 nid = spdif->nid;
7c935976 2292 spdif->status = ucontrol->value.iec958.status[0] |
1da177e4
LT		 2293 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
2294 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
2295 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
7c935976
SW		 2296 val = convert_from_spdif_status(spdif->status);
2297 val |= spdif->ctls & 1;
2298 change = spdif->ctls != val;
2299 spdif->ctls = val;
74b654c9 2300 if (change && nid != (u16)-1)
2f72853c 2301 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
62932df8 2302 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2303 return change;
2304}
2305
a5ce8890 2306#define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
1da177e4 2307
0ba21762
TI		 2308static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
2309 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2310{
2311 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
7c935976 2312 int idx = kcontrol->private_value;
e3245cdd 2313 struct hda_spdif_out *spdif;
1da177e4 2314
08605068
TI		 2315 if (WARN_ON(codec->spdif_out.used <= idx))
2316 return -EINVAL;
e3245cdd
TI		 2317 mutex_lock(&codec->spdif_mutex);
2318 spdif = snd_array_elem(&codec->spdif_out, idx);
7c935976 2319 ucontrol->value.integer.value[0] = spdif->ctls & AC_DIG1_ENABLE;
e3245cdd 2320 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2321 return 0;
2322}
2323
74b654c9
SW		 2324static inline void set_spdif_ctls(struct hda_codec *codec, hda_nid_t nid,
2325 int dig1, int dig2)
2326{
2327 set_dig_out_convert(codec, nid, dig1, dig2);
2328 /* unmute amp switch (if any) */
2329 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
2330 (dig1 & AC_DIG1_ENABLE))
2331 snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
2332 HDA_AMP_MUTE, 0);
2333}
2334
0ba21762
TI		 2335static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
2336 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2337{
2338 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
7c935976 2339 int idx = kcontrol->private_value;
e3245cdd
TI		 2340 struct hda_spdif_out *spdif;
2341 hda_nid_t nid;
1da177e4
LT		 2342 unsigned short val;
2343 int change;
2344
08605068
TI		 2345 if (WARN_ON(codec->spdif_out.used <= idx))
2346 return -EINVAL;
62932df8 2347 mutex_lock(&codec->spdif_mutex);
e3245cdd
TI		 2348 spdif = snd_array_elem(&codec->spdif_out, idx);
2349 nid = spdif->nid;
7c935976 2350 val = spdif->ctls & ~AC_DIG1_ENABLE;
1da177e4 2351 if (ucontrol->value.integer.value[0])
0ba21762 2352 val |= AC_DIG1_ENABLE;
7c935976 2353 change = spdif->ctls != val;
74b654c9
SW		 2354 spdif->ctls = val;
2355 if (change && nid != (u16)-1)
2356 set_spdif_ctls(codec, nid, val & 0xff, -1);
62932df8 2357 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2358 return change;
2359}
2360
c8b6bf9b 2361static struct snd_kcontrol_new dig_mixes[] = {
1da177e4
LT		 2362 {
2363 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2364 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
28aedaf7 2365 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
1da177e4
LT		 2366 .info = snd_hda_spdif_mask_info,
2367 .get = snd_hda_spdif_cmask_get,
2368 },
2369 {
2370 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2371 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
28aedaf7 2372 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
1da177e4
LT		 2373 .info = snd_hda_spdif_mask_info,
2374 .get = snd_hda_spdif_pmask_get,
2375 },
2376 {
2377 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
28aedaf7 2378 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1da177e4
LT		 2379 .info = snd_hda_spdif_mask_info,
2380 .get = snd_hda_spdif_default_get,
2381 .put = snd_hda_spdif_default_put,
2382 },
2383 {
2384 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
28aedaf7 2385 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
1da177e4
LT		 2386 .info = snd_hda_spdif_out_switch_info,
2387 .get = snd_hda_spdif_out_switch_get,
2388 .put = snd_hda_spdif_out_switch_put,
2389 },
2390 { } /* end */
2391};
2392
2393/**
dcda5806 2394 * snd_hda_create_dig_out_ctls - create Output SPDIF-related controls
1da177e4 2395 * @codec: the HDA codec
dcda5806
TI		 2396 * @associated_nid: NID that new ctls associated with
2397 * @cvt_nid: converter NID
2398 * @type: HDA_PCM_TYPE_*
2399 * Creates controls related with the digital output.
2400 * Called from each patch supporting the digital out.
1da177e4
LT		 2401 *
2402 * Returns 0 if successful, or a negative error code.
2403 */
dcda5806
TI		 2404int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
2405 hda_nid_t associated_nid,
2406 hda_nid_t cvt_nid,
2407 int type)
1da177e4
LT		 2408{
2409 int err;
c8b6bf9b
TI		 2410 struct snd_kcontrol *kctl;
2411 struct snd_kcontrol_new *dig_mix;
ea9b43ad 2412 int idx = 0;
a551d914 2413 int val = 0;
ea9b43ad 2414 const int spdif_index = 16;
7c935976 2415 struct hda_spdif_out *spdif;
ea9b43ad 2416 struct hda_bus *bus = codec->bus;
1da177e4 2417
ea9b43ad 2418 if (bus->primary_dig_out_type == HDA_PCM_TYPE_HDMI &&
dcda5806 2419 type == HDA_PCM_TYPE_SPDIF) {
ea9b43ad
TI		 2420 idx = spdif_index;
2421 } else if (bus->primary_dig_out_type == HDA_PCM_TYPE_SPDIF &&
dcda5806 2422 type == HDA_PCM_TYPE_HDMI) {
ea9b43ad
TI		 2423 /* suppose a single SPDIF device */
2424 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2425 kctl = find_mixer_ctl(codec, dig_mix->name, 0, 0);
2426 if (!kctl)
2427 break;
2428 kctl->id.index = spdif_index;
dcda5806 2429 }
ea9b43ad 2430 bus->primary_dig_out_type = HDA_PCM_TYPE_HDMI;
dcda5806 2431 }
ea9b43ad
TI		 2432 if (!bus->primary_dig_out_type)
2433 bus->primary_dig_out_type = type;
dcda5806 2434
ea9b43ad 2435 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Playback Switch", idx);
1afe206a 2436 if (idx < 0) {
4e76a883 2437 codec_err(codec, "too many IEC958 outputs\n");
09f99701
TI		 2438 return -EBUSY;
2439 }
7c935976 2440 spdif = snd_array_new(&codec->spdif_out);
25336e8a
ML		 2441 if (!spdif)
2442 return -ENOMEM;
1da177e4
LT		 2443 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2444 kctl = snd_ctl_new1(dig_mix, codec);
b91f080f
TI		 2445 if (!kctl)
2446 return -ENOMEM;
09f99701 2447 kctl->id.index = idx;
7c935976 2448 kctl->private_value = codec->spdif_out.used - 1;
74b654c9 2449 err = snd_hda_ctl_add(codec, associated_nid, kctl);
0ba21762 2450 if (err < 0)
1da177e4
LT		 2451 return err;
2452 }
74b654c9 2453 spdif->nid = cvt_nid;
a551d914
TI		 2454 snd_hdac_regmap_read(&codec->core, cvt_nid,
2455 AC_VERB_GET_DIGI_CONVERT_1, &val);
2456 spdif->ctls = val;
7c935976 2457 spdif->status = convert_to_spdif_status(spdif->ctls);
1da177e4
LT		 2458 return 0;
2459}
2698ea98 2460EXPORT_SYMBOL_GPL(snd_hda_create_dig_out_ctls);
1da177e4 2461
95a962c3
TI		 2462/**
2463 * snd_hda_spdif_out_of_nid - get the hda_spdif_out entry from the given NID
2464 * @codec: the HDA codec
2465 * @nid: widget NID
2466 *
e3245cdd
TI		 2467 * call within spdif_mutex lock
2468 */
7c935976
SW		 2469struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
2470 hda_nid_t nid)
2471{
a9c2dfc8 2472 struct hda_spdif_out *spdif;
7c935976 2473 int i;
a9c2dfc8
TI		 2474
2475 snd_array_for_each(&codec->spdif_out, i, spdif) {
7c935976
SW		 2476 if (spdif->nid == nid)
2477 return spdif;
2478 }
2479 return NULL;
2480}
2698ea98 2481EXPORT_SYMBOL_GPL(snd_hda_spdif_out_of_nid);
7c935976 2482
95a962c3
TI		 2483/**
2484 * snd_hda_spdif_ctls_unassign - Unassign the given SPDIF ctl
2485 * @codec: the HDA codec
2486 * @idx: the SPDIF ctl index
2487 *
2488 * Unassign the widget from the given SPDIF control.
2489 */
74b654c9
SW		 2490void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx)
2491{
e3245cdd 2492 struct hda_spdif_out *spdif;
74b654c9 2493
08605068
TI		 2494 if (WARN_ON(codec->spdif_out.used <= idx))
2495 return;
74b654c9 2496 mutex_lock(&codec->spdif_mutex);
e3245cdd 2497 spdif = snd_array_elem(&codec->spdif_out, idx);
74b654c9
SW		 2498 spdif->nid = (u16)-1;
2499 mutex_unlock(&codec->spdif_mutex);
2500}
2698ea98 2501EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_unassign);
74b654c9 2502
95a962c3
TI		 2503/**
2504 * snd_hda_spdif_ctls_assign - Assign the SPDIF controls to the given NID
2505 * @codec: the HDA codec
2506 * @idx: the SPDIF ctl idx
2507 * @nid: widget NID
2508 *
2509 * Assign the widget to the SPDIF control with the given index.
2510 */
74b654c9
SW		 2511void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid)
2512{
e3245cdd 2513 struct hda_spdif_out *spdif;
74b654c9
SW		 2514 unsigned short val;
2515
08605068
TI		 2516 if (WARN_ON(codec->spdif_out.used <= idx))
2517 return;
74b654c9 2518 mutex_lock(&codec->spdif_mutex);
e3245cdd 2519 spdif = snd_array_elem(&codec->spdif_out, idx);
74b654c9
SW		 2520 if (spdif->nid != nid) {
2521 spdif->nid = nid;
2522 val = spdif->ctls;
2523 set_spdif_ctls(codec, nid, val & 0xff, (val >> 8) & 0xff);
2524 }
2525 mutex_unlock(&codec->spdif_mutex);
2526}
2698ea98 2527EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_assign);
74b654c9 2528
9a08160b
TI		 2529/*
2530 * SPDIF sharing with analog output
2531 */
2532static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
2533 struct snd_ctl_elem_value *ucontrol)
2534{
2535 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2536 ucontrol->value.integer.value[0] = mout->share_spdif;
2537 return 0;
2538}
2539
2540static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
2541 struct snd_ctl_elem_value *ucontrol)
2542{
2543 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2544 mout->share_spdif = !!ucontrol->value.integer.value[0];
2545 return 0;
2546}
2547
f3b827e0 2548static const struct snd_kcontrol_new spdif_share_sw = {
9a08160b
TI		 2549 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2550 .name = "IEC958 Default PCM Playback Switch",
2551 .info = snd_ctl_boolean_mono_info,
2552 .get = spdif_share_sw_get,
2553 .put = spdif_share_sw_put,
2554};
2555
d5191e50
TI		 2556/**
2557 * snd_hda_create_spdif_share_sw - create Default PCM switch
2558 * @codec: the HDA codec
2559 * @mout: multi-out instance
2560 */
9a08160b
TI		 2561int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
2562 struct hda_multi_out *mout)
2563{
4c7a548a
ML		 2564 struct snd_kcontrol *kctl;
2565
9a08160b
TI		 2566 if (!mout->dig_out_nid)
2567 return 0;
4c7a548a
ML		 2568
2569 kctl = snd_ctl_new1(&spdif_share_sw, mout);
2570 if (!kctl)
2571 return -ENOMEM;
9a08160b 2572 /* ATTENTION: here mout is passed as private_data, instead of codec */
4c7a548a 2573 return snd_hda_ctl_add(codec, mout->dig_out_nid, kctl);
9a08160b 2574}
2698ea98 2575EXPORT_SYMBOL_GPL(snd_hda_create_spdif_share_sw);
9a08160b 2576
1da177e4
LT		 2577/*
2578 * SPDIF input
2579 */
2580
2581#define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
2582
0ba21762
TI		 2583static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
2584 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2585{
2586 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2587
2588 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
2589 return 0;
2590}
2591
0ba21762
TI		 2592static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
2593 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2594{
2595 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2596 hda_nid_t nid = kcontrol->private_value;
2597 unsigned int val = !!ucontrol->value.integer.value[0];
2598 int change;
2599
62932df8 2600 mutex_lock(&codec->spdif_mutex);
1da177e4 2601 change = codec->spdif_in_enable != val;
82beb8fd 2602 if (change) {
1da177e4 2603 codec->spdif_in_enable = val;
a551d914
TI		 2604 snd_hdac_regmap_write(&codec->core, nid,
2605 AC_VERB_SET_DIGI_CONVERT_1, val);
1da177e4 2606 }
62932df8 2607 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 2608 return change;
2609}
2610
0ba21762
TI		 2611static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
2612 struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2613{
2614 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2615 hda_nid_t nid = kcontrol->private_value;
a551d914 2616 unsigned int val;
1da177e4
LT		 2617 unsigned int sbits;
2618
a551d914
TI		 2619 snd_hdac_regmap_read(&codec->core, nid,
2620 AC_VERB_GET_DIGI_CONVERT_1, &val);
1da177e4
LT		 2621 sbits = convert_to_spdif_status(val);
2622 ucontrol->value.iec958.status[0] = sbits;
2623 ucontrol->value.iec958.status[1] = sbits >> 8;
2624 ucontrol->value.iec958.status[2] = sbits >> 16;
2625 ucontrol->value.iec958.status[3] = sbits >> 24;
2626 return 0;
2627}
2628
c8b6bf9b 2629static struct snd_kcontrol_new dig_in_ctls[] = {
1da177e4
LT		 2630 {
2631 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
28aedaf7 2632 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, SWITCH),
1da177e4
LT		 2633 .info = snd_hda_spdif_in_switch_info,
2634 .get = snd_hda_spdif_in_switch_get,
2635 .put = snd_hda_spdif_in_switch_put,
2636 },
2637 {
2638 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2639 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
28aedaf7 2640 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
1da177e4
LT		 2641 .info = snd_hda_spdif_mask_info,
2642 .get = snd_hda_spdif_in_status_get,
2643 },
2644 { } /* end */
2645};
2646
2647/**
2648 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
2649 * @codec: the HDA codec
2650 * @nid: audio in widget NID
2651 *
2652 * Creates controls related with the SPDIF input.
2653 * Called from each patch supporting the SPDIF in.
2654 *
2655 * Returns 0 if successful, or a negative error code.
2656 */
12f288bf 2657int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
1da177e4
LT		 2658{
2659 int err;
c8b6bf9b
TI		 2660 struct snd_kcontrol *kctl;
2661 struct snd_kcontrol_new *dig_mix;
09f99701 2662 int idx;
1da177e4 2663
dcda5806 2664 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Capture Switch", 0);
1afe206a 2665 if (idx < 0) {
4e76a883 2666 codec_err(codec, "too many IEC958 inputs\n");
09f99701
TI		 2667 return -EBUSY;
2668 }
1da177e4
LT		 2669 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
2670 kctl = snd_ctl_new1(dig_mix, codec);
c8dcdf82
TI		 2671 if (!kctl)
2672 return -ENOMEM;
1da177e4 2673 kctl->private_value = nid;
3911a4c1 2674 err = snd_hda_ctl_add(codec, nid, kctl);
0ba21762 2675 if (err < 0)
1da177e4
LT		 2676 return err;
2677 }
0ba21762 2678 codec->spdif_in_enable =
3982d17e
AP		 2679 snd_hda_codec_read(codec, nid, 0,
2680 AC_VERB_GET_DIGI_CONVERT_1, 0) &
0ba21762 2681 AC_DIG1_ENABLE;
1da177e4
LT		 2682 return 0;
2683}
2698ea98 2684EXPORT_SYMBOL_GPL(snd_hda_create_spdif_in_ctls);
1da177e4 2685
95a962c3
TI		 2686/**
2687 * snd_hda_codec_set_power_to_all - Set the power state to all widgets
2688 * @codec: the HDA codec
2689 * @fg: function group (not used now)
2690 * @power_state: the power state to set (AC_PWRST_*)
2691 *
2692 * Set the given power state to all widgets that have the power control.
2693 * If the codec has power_filter set, it evaluates the power state and
2694 * filter out if it's unchanged as D3.
2695 */
4d7fbdbc 2696void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
9419ab6b 2697 unsigned int power_state)
54d17403 2698{
7639a06c 2699 hda_nid_t nid;
54d17403 2700
7639a06c 2701 for_each_hda_codec_node(nid, codec) {
7eba5c9d 2702 unsigned int wcaps = get_wcaps(codec, nid);
9419ab6b 2703 unsigned int state = power_state;
4d7fbdbc
TI		 2704 if (!(wcaps & AC_WCAP_POWER))
2705 continue;
9419ab6b
TI		 2706 if (codec->power_filter) {
2707 state = codec->power_filter(codec, nid, power_state);
2708 if (state != power_state && power_state == AC_PWRST_D3)
4d7fbdbc 2709 continue;
1194b5b7 2710 }
4d7fbdbc 2711 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
9419ab6b 2712 state);
54d17403 2713 }
cb53c626 2714}
2698ea98 2715EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_to_all);
4d7fbdbc 2716
95a962c3
TI		 2717/**
2718 * snd_hda_codec_eapd_power_filter - A power filter callback for EAPD
2719 * @codec: the HDA codec
2720 * @nid: widget NID
2721 * @power_state: power state to evalue
2722 *
2723 * Don't power down the widget if it controls eapd and EAPD_BTLENABLE is set.
2724 * This can be used a codec power_filter callback.
2725 */
ba615b86
TI		 2726unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
2727 hda_nid_t nid,
2728 unsigned int power_state)
9419ab6b 2729{
7639a06c 2730 if (nid == codec->core.afg || nid == codec->core.mfg)
dfc6e469 2731 return power_state;
9419ab6b
TI		 2732 if (power_state == AC_PWRST_D3 &&
2733 get_wcaps_type(get_wcaps(codec, nid)) == AC_WID_PIN &&
2734 (snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_EAPD)) {
2735 int eapd = snd_hda_codec_read(codec, nid, 0,
2736 AC_VERB_GET_EAPD_BTLENABLE, 0);
2737 if (eapd & 0x02)
2738 return AC_PWRST_D0;
2739 }
2740 return power_state;
2741}
2698ea98 2742EXPORT_SYMBOL_GPL(snd_hda_codec_eapd_power_filter);
9419ab6b 2743
4d7fbdbc 2744/*
08fa20ae 2745 * set power state of the codec, and return the power state
4d7fbdbc 2746 */
d819387e 2747static unsigned int hda_set_power_state(struct hda_codec *codec,
08fa20ae 2748 unsigned int power_state)
4d7fbdbc 2749{
7639a06c 2750 hda_nid_t fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
09617ce4
WX		 2751 int count;
2752 unsigned int state;
63e51fd7 2753 int flags = 0;
09617ce4 2754
4d7fbdbc 2755 /* this delay seems necessary to avoid click noise at power-down */
0f4ccbb0 2756 if (power_state == AC_PWRST_D3) {
7f132927 2757 if (codec->depop_delay < 0)
7639a06c 2758 msleep(codec_has_epss(codec) ? 10 : 100);
7f132927
ML		 2759 else if (codec->depop_delay > 0)
2760 msleep(codec->depop_delay);
63e51fd7 2761 flags = HDA_RW_NO_RESPONSE_FALLBACK;
0f4ccbb0 2762 }
09617ce4
WX		 2763
2764 /* repeat power states setting at most 10 times*/
2765 for (count = 0; count < 10; count++) {
432c641e
TI		 2766 if (codec->patch_ops.set_power_state)
2767 codec->patch_ops.set_power_state(codec, fg,
2768 power_state);
2769 else {
dfc6e469
TI		 2770 state = power_state;
2771 if (codec->power_filter)
2772 state = codec->power_filter(codec, fg, state);
2773 if (state == power_state || power_state != AC_PWRST_D3)
2774 snd_hda_codec_read(codec, fg, flags,
2775 AC_VERB_SET_POWER_STATE,
2776 state);
9419ab6b 2777 snd_hda_codec_set_power_to_all(codec, fg, power_state);
432c641e 2778 }
3b5b899c 2779 state = snd_hda_sync_power_state(codec, fg, power_state);
09617ce4
WX		 2780 if (!(state & AC_PWRST_ERROR))
2781 break;
2782 }
b8dfc462 2783
08fa20ae 2784 return state;
4d7fbdbc 2785}
cb53c626 2786
b9c590bb
TI		 2787/* sync power states of all widgets;
2788 * this is called at the end of codec parsing
2789 */
2790static void sync_power_up_states(struct hda_codec *codec)
2791{
7639a06c 2792 hda_nid_t nid;
b9c590bb 2793
ba615b86
TI		 2794 /* don't care if no filter is used */
2795 if (!codec->power_filter)
b9c590bb
TI		 2796 return;
2797
7639a06c 2798 for_each_hda_codec_node(nid, codec) {
b9c590bb 2799 unsigned int wcaps = get_wcaps(codec, nid);
9040d102 2800 unsigned int target;
b9c590bb
TI		 2801 if (!(wcaps & AC_WCAP_POWER))
2802 continue;
2803 target = codec->power_filter(codec, nid, AC_PWRST_D0);
2804 if (target == AC_PWRST_D0)
2805 continue;
9040d102 2806 if (!snd_hda_check_power_state(codec, nid, target))
b9c590bb
TI		 2807 snd_hda_codec_write(codec, nid, 0,
2808 AC_VERB_SET_POWER_STATE, target);
2809 }
2810}
2811
648a8d27 2812#ifdef CONFIG_SND_HDA_RECONFIG
11aeff08
TI		 2813/* execute additional init verbs */
2814static void hda_exec_init_verbs(struct hda_codec *codec)
2815{
2816 if (codec->init_verbs.list)
2817 snd_hda_sequence_write(codec, codec->init_verbs.list);
2818}
2819#else
2820static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
2821#endif
2822
2a43952a 2823#ifdef CONFIG_PM
cc72da7d
TI		 2824/* update the power on/off account with the current jiffies */
2825static void update_power_acct(struct hda_codec *codec, bool on)
2826{
2827 unsigned long delta = jiffies - codec->power_jiffies;
2828
2829 if (on)
2830 codec->power_on_acct += delta;
2831 else
2832 codec->power_off_acct += delta;
2833 codec->power_jiffies += delta;
2834}
2835
2836void snd_hda_update_power_acct(struct hda_codec *codec)
2837{
2838 update_power_acct(codec, hda_codec_is_power_on(codec));
2839}
2840
cb53c626
TI		 2841/*
2842 * call suspend and power-down; used both from PM and power-save
08fa20ae 2843 * this function returns the power state in the end
cb53c626 2844 */
cc72da7d 2845static unsigned int hda_call_codec_suspend(struct hda_codec *codec)
cb53c626 2846{
08fa20ae
TI		 2847 unsigned int state;
2848
7639a06c 2849 atomic_inc(&codec->core.in_pm);
989c3187 2850
cb53c626 2851 if (codec->patch_ops.suspend)
68cb2b55 2852 codec->patch_ops.suspend(codec);
eb541337 2853 hda_cleanup_all_streams(codec);
d819387e 2854 state = hda_set_power_state(codec, AC_PWRST_D3);
cc72da7d 2855 update_power_acct(codec, true);
7639a06c 2856 atomic_dec(&codec->core.in_pm);
08fa20ae 2857 return state;
54d17403
TI		 2858}
2859
cb53c626
TI		 2860/*
2861 * kick up codec; used both from PM and power-save
2862 */
2863static void hda_call_codec_resume(struct hda_codec *codec)
2864{
7639a06c 2865 atomic_inc(&codec->core.in_pm);
989c3187 2866
eeecd9d1
TI		 2867 if (codec->core.regmap)
2868 regcache_mark_dirty(codec->core.regmap);
2869
cc72da7d 2870 codec->power_jiffies = jiffies;
cc72da7d 2871
d819387e 2872 hda_set_power_state(codec, AC_PWRST_D0);
ac0547dc 2873 restore_shutup_pins(codec);
11aeff08 2874 hda_exec_init_verbs(codec);
31614bb8 2875 snd_hda_jack_set_dirty_all(codec);
cb53c626
TI		 2876 if (codec->patch_ops.resume)
2877 codec->patch_ops.resume(codec);
2878 else {
9d99f312
TI		 2879 if (codec->patch_ops.init)
2880 codec->patch_ops.init(codec);
eeecd9d1
TI		 2881 if (codec->core.regmap)
2882 regcache_sync(codec->core.regmap);
cb53c626 2883 }
26a6cb6c
DH		 2884
2885 if (codec->jackpoll_interval)
2886 hda_jackpoll_work(&codec->jackpoll_work.work);
31614bb8 2887 else
26a6cb6c 2888 snd_hda_jack_report_sync(codec);
7639a06c 2889 atomic_dec(&codec->core.in_pm);
cb53c626 2890}
59ed1ead 2891
cc72da7d 2892static int hda_codec_runtime_suspend(struct device *dev)
59ed1ead
TI		 2893{
2894 struct hda_codec *codec = dev_to_hda_codec(dev);
bbbc7e85 2895 struct hda_pcm *pcm;
cc72da7d 2896 unsigned int state;
59ed1ead
TI		 2897
2898 cancel_delayed_work_sync(&codec->jackpoll_work);
bbbc7e85
TI		 2899 list_for_each_entry(pcm, &codec->pcm_list_head, list)
2900 snd_pcm_suspend_all(pcm->pcm);
cc72da7d 2901 state = hda_call_codec_suspend(codec);
7639a06c
TI		 2902 if (codec_has_clkstop(codec) && codec_has_epss(codec) &&
2903 (state & AC_PWRST_CLK_STOP_OK))
2904 snd_hdac_codec_link_down(&codec->core);
a5e7e07c 2905 snd_hdac_link_power(&codec->core, false);
59ed1ead
TI		 2906 return 0;
2907}
2908
cc72da7d 2909static int hda_codec_runtime_resume(struct device *dev)
59ed1ead 2910{
55ed9cd1
TI		 2911 struct hda_codec *codec = dev_to_hda_codec(dev);
2912
a5e7e07c 2913 snd_hdac_link_power(&codec->core, true);
7639a06c 2914 snd_hdac_codec_link_up(&codec->core);
55ed9cd1 2915 hda_call_codec_resume(codec);
cc72da7d 2916 pm_runtime_mark_last_busy(dev);
59ed1ead
TI		 2917 return 0;
2918}
2a43952a 2919#endif /* CONFIG_PM */
cb53c626 2920
59ed1ead
TI		 2921/* referred in hda_bind.c */
2922const struct dev_pm_ops hda_codec_driver_pm = {
cc72da7d
TI		 2923 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
2924 pm_runtime_force_resume)
2925 SET_RUNTIME_PM_OPS(hda_codec_runtime_suspend, hda_codec_runtime_resume,
2926 NULL)
59ed1ead 2927};
54d17403 2928
9c9a5175
TI		 2929/*
2930 * add standard channel maps if not specified
2931 */
2932static int add_std_chmaps(struct hda_codec *codec)
2933{
bbbc7e85
TI		 2934 struct hda_pcm *pcm;
2935 int str, err;
9c9a5175 2936
bbbc7e85 2937 list_for_each_entry(pcm, &codec->pcm_list_head, list) {
9c9a5175 2938 for (str = 0; str < 2; str++) {
bbbc7e85 2939 struct hda_pcm_stream *hinfo = &pcm->stream[str];
9c9a5175 2940 struct snd_pcm_chmap *chmap;
ee81abb6 2941 const struct snd_pcm_chmap_elem *elem;
9c9a5175 2942
b25cf30a 2943 if (!pcm->pcm || pcm->own_chmap || !hinfo->substreams)
9c9a5175 2944 continue;
ee81abb6 2945 elem = hinfo->chmap ? hinfo->chmap : snd_pcm_std_chmaps;
bbbc7e85 2946 err = snd_pcm_add_chmap_ctls(pcm->pcm, str, elem,
9c9a5175
TI		 2947 hinfo->channels_max,
2948 0, &chmap);
2949 if (err < 0)
2950 return err;
2951 chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
2952 }
2953 }
2954 return 0;
2955}
2956
ee81abb6
TI		 2957/* default channel maps for 2.1 speakers;
2958 * since HD-audio supports only stereo, odd number channels are omitted
2959 */
2960const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[] = {
2961 { .channels = 2,
2962 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
2963 { .channels = 4,
2964 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR,
2965 SNDRV_CHMAP_LFE, SNDRV_CHMAP_LFE } },
2966 { }
2967};
2968EXPORT_SYMBOL_GPL(snd_pcm_2_1_chmaps);
2969
6c1f45ea
TI		 2970int snd_hda_codec_build_controls(struct hda_codec *codec)
2971{
2972 int err = 0;
11aeff08 2973 hda_exec_init_verbs(codec);
6c1f45ea
TI		 2974 /* continue to initialize... */
2975 if (codec->patch_ops.init)
2976 err = codec->patch_ops.init(codec);
2977 if (!err && codec->patch_ops.build_controls)
2978 err = codec->patch_ops.build_controls(codec);
6c1f45ea
TI		 2979 if (err < 0)
2980 return err;
9c9a5175
TI		 2981
2982 /* we create chmaps here instead of build_pcms */
2983 err = add_std_chmaps(codec);
2984 if (err < 0)
2985 return err;
2986
26a6cb6c
DH		 2987 if (codec->jackpoll_interval)
2988 hda_jackpoll_work(&codec->jackpoll_work.work);
2989 else
2990 snd_hda_jack_report_sync(codec); /* call at the last init point */
b9c590bb 2991 sync_power_up_states(codec);
1da177e4
LT		 2992 return 0;
2993}
2994
1da177e4
LT		 2995/*
2996 * PCM stuff
2997 */
2998static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
2999 struct hda_codec *codec,
c8b6bf9b 3000 struct snd_pcm_substream *substream)
1da177e4
LT		 3001{
3002 return 0;
3003}
3004
3005static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
3006 struct hda_codec *codec,
3007 unsigned int stream_tag,
3008 unsigned int format,
c8b6bf9b 3009 struct snd_pcm_substream *substream)
1da177e4
LT		 3010{
3011 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
3012 return 0;
3013}
3014
3015static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
3016 struct hda_codec *codec,
c8b6bf9b 3017 struct snd_pcm_substream *substream)
1da177e4 3018{
888afa15 3019 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
1da177e4
LT		 3020 return 0;
3021}
3022
6c1f45ea
TI		 3023static int set_pcm_default_values(struct hda_codec *codec,
3024 struct hda_pcm_stream *info)
1da177e4 3025{
ee504710
JK		 3026 int err;
3027
0ba21762
TI		 3028 /* query support PCM information from the given NID */
3029 if (info->nid && (!info->rates || !info->formats)) {
ee504710 3030 err = snd_hda_query_supported_pcm(codec, info->nid,
0ba21762
TI		 3031 info->rates ? NULL : &info->rates,
3032 info->formats ? NULL : &info->formats,
3033 info->maxbps ? NULL : &info->maxbps);
ee504710
JK		 3034 if (err < 0)
3035 return err;
1da177e4
LT		 3036 }
3037 if (info->ops.open == NULL)
3038 info->ops.open = hda_pcm_default_open_close;
3039 if (info->ops.close == NULL)
3040 info->ops.close = hda_pcm_default_open_close;
3041 if (info->ops.prepare == NULL) {
da3cec35
TI		 3042 if (snd_BUG_ON(!info->nid))
3043 return -EINVAL;
1da177e4
LT		 3044 info->ops.prepare = hda_pcm_default_prepare;
3045 }
1da177e4 3046 if (info->ops.cleanup == NULL) {
da3cec35
TI		 3047 if (snd_BUG_ON(!info->nid))
3048 return -EINVAL;
1da177e4
LT		 3049 info->ops.cleanup = hda_pcm_default_cleanup;
3050 }
3051 return 0;
3052}
3053
eb541337
TI		 3054/*
3055 * codec prepare/cleanup entries
3056 */
95a962c3
TI		 3057/**
3058 * snd_hda_codec_prepare - Prepare a stream
3059 * @codec: the HDA codec
3060 * @hinfo: PCM information
3061 * @stream: stream tag to assign
3062 * @format: format id to assign
3063 * @substream: PCM substream to assign
3064 *
3065 * Calls the prepare callback set by the codec with the given arguments.
3066 * Clean up the inactive streams when successful.
3067 */
eb541337
TI		 3068int snd_hda_codec_prepare(struct hda_codec *codec,
3069 struct hda_pcm_stream *hinfo,
3070 unsigned int stream,
3071 unsigned int format,
3072 struct snd_pcm_substream *substream)
3073{
3074 int ret;
3f50ac6a 3075 mutex_lock(&codec->bus->prepare_mutex);
61ca4107
TI		 3076 if (hinfo->ops.prepare)
3077 ret = hinfo->ops.prepare(hinfo, codec, stream, format,
3078 substream);
3079 else
3080 ret = -ENODEV;
eb541337
TI		 3081 if (ret >= 0)
3082 purify_inactive_streams(codec);
3f50ac6a 3083 mutex_unlock(&codec->bus->prepare_mutex);
eb541337
TI		 3084 return ret;
3085}
2698ea98 3086EXPORT_SYMBOL_GPL(snd_hda_codec_prepare);
eb541337 3087
95a962c3
TI		 3088/**
3089 * snd_hda_codec_cleanup - Prepare a stream
3090 * @codec: the HDA codec
3091 * @hinfo: PCM information
3092 * @substream: PCM substream
3093 *
3094 * Calls the cleanup callback set by the codec with the given arguments.
3095 */
eb541337
TI		 3096void snd_hda_codec_cleanup(struct hda_codec *codec,
3097 struct hda_pcm_stream *hinfo,
3098 struct snd_pcm_substream *substream)
3099{
3f50ac6a 3100 mutex_lock(&codec->bus->prepare_mutex);
61ca4107
TI		 3101 if (hinfo->ops.cleanup)
3102 hinfo->ops.cleanup(hinfo, codec, substream);
3f50ac6a 3103 mutex_unlock(&codec->bus->prepare_mutex);
eb541337 3104}
2698ea98 3105EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup);
eb541337 3106
d5191e50 3107/* global */
e3303235
JK		 3108const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = {
3109 "Audio", "SPDIF", "HDMI", "Modem"
3110};
3111
529bd6c4
TI		 3112/*
3113 * get the empty PCM device number to assign
3114 */
36bb00d4 3115static int get_empty_pcm_device(struct hda_bus *bus, unsigned int type)
529bd6c4 3116{
f5d6def5 3117 /* audio device indices; not linear to keep compatibility */
36bb00d4
TI		 3118 /* assigned to static slots up to dev#10; if more needed, assign
3119 * the later slot dynamically (when CONFIG_SND_DYNAMIC_MINORS=y)
3120 */
f5d6def5
WF		 3121 static int audio_idx[HDA_PCM_NTYPES][5] = {
3122 [HDA_PCM_TYPE_AUDIO] = { 0, 2, 4, 5, -1 },
3123 [HDA_PCM_TYPE_SPDIF] = { 1, -1 },
92608bad 3124 [HDA_PCM_TYPE_HDMI] = { 3, 7, 8, 9, -1 },
f5d6def5 3125 [HDA_PCM_TYPE_MODEM] = { 6, -1 },
529bd6c4 3126 };
f5d6def5
WF		 3127 int i;
3128
3129 if (type >= HDA_PCM_NTYPES) {
4e76a883 3130 dev_err(bus->card->dev, "Invalid PCM type %d\n", type);
529bd6c4
TI		 3131 return -EINVAL;
3132 }
f5d6def5 3133
36bb00d4
TI		 3134 for (i = 0; audio_idx[type][i] >= 0; i++) {
3135#ifndef CONFIG_SND_DYNAMIC_MINORS
3136 if (audio_idx[type][i] >= 8)
3137 break;
3138#endif
f5d6def5
WF		 3139 if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits))
3140 return audio_idx[type][i];
36bb00d4 3141 }
f5d6def5 3142
36bb00d4 3143#ifdef CONFIG_SND_DYNAMIC_MINORS
01b65bfb
TI		 3144 /* non-fixed slots starting from 10 */
3145 for (i = 10; i < 32; i++) {
3146 if (!test_and_set_bit(i, bus->pcm_dev_bits))
3147 return i;
3148 }
36bb00d4 3149#endif
01b65bfb 3150
4e76a883 3151 dev_warn(bus->card->dev, "Too many %s devices\n",
28aedaf7 3152 snd_hda_pcm_type_name[type]);
36bb00d4 3153#ifndef CONFIG_SND_DYNAMIC_MINORS
4e76a883
TI		 3154 dev_warn(bus->card->dev,
3155 "Consider building the kernel with CONFIG_SND_DYNAMIC_MINORS=y\n");
36bb00d4 3156#endif
f5d6def5 3157 return -EAGAIN;
529bd6c4
TI		 3158}
3159
1a4ba30c
TI		 3160/* call build_pcms ops of the given codec and set up the default parameters */
3161int snd_hda_codec_parse_pcms(struct hda_codec *codec)
176d5335 3162{
bbbc7e85 3163 struct hda_pcm *cpcm;
1a4ba30c 3164 int err;
176d5335 3165
bbbc7e85 3166 if (!list_empty(&codec->pcm_list_head))
1a4ba30c
TI		 3167 return 0; /* already parsed */
3168
3169 if (!codec->patch_ops.build_pcms)
3170 return 0;
3171
3172 err = codec->patch_ops.build_pcms(codec);
3173 if (err < 0) {
3174 codec_err(codec, "cannot build PCMs for #%d (error %d)\n",
d068ebc2 3175 codec->core.addr, err);
1a4ba30c
TI		 3176 return err;
3177 }
3178
bbbc7e85 3179 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
1a4ba30c
TI		 3180 int stream;
3181
3182 for (stream = 0; stream < 2; stream++) {
3183 struct hda_pcm_stream *info = &cpcm->stream[stream];
3184
3185 if (!info->substreams)
3186 continue;
176d5335 3187 err = set_pcm_default_values(codec, info);
1a4ba30c
TI		 3188 if (err < 0) {
3189 codec_warn(codec,
3190 "fail to setup default for PCM %s\n",
3191 cpcm->name);
176d5335 3192 return err;
1a4ba30c 3193 }
176d5335
TI		 3194 }
3195 }
1a4ba30c
TI		 3196
3197 return 0;
176d5335
TI		 3198}
3199
529bd6c4
TI		 3200/* assign all PCMs of the given codec */
3201int snd_hda_codec_build_pcms(struct hda_codec *codec)
3202{
1a4ba30c 3203 struct hda_bus *bus = codec->bus;
bbbc7e85 3204 struct hda_pcm *cpcm;
1a4ba30c 3205 int dev, err;
529bd6c4 3206
1a4ba30c 3207 err = snd_hda_codec_parse_pcms(codec);
d289619a 3208 if (err < 0)
1a4ba30c 3209 return err;
1a4ba30c
TI		 3210
3211 /* attach a new PCM streams */
bbbc7e85 3212 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
1a4ba30c
TI		 3213 if (cpcm->pcm)
3214 continue; /* already attached */
529bd6c4 3215 if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
41b5b01a 3216 continue; /* no substreams assigned */
529bd6c4 3217
1a4ba30c 3218 dev = get_empty_pcm_device(bus, cpcm->pcm_type);
1f7f51a6
WY		 3219 if (dev < 0) {
3220 cpcm->device = SNDRV_PCM_INVALID_DEVICE;
1a4ba30c 3221 continue; /* no fatal error */
1f7f51a6 3222 }
1a4ba30c 3223 cpcm->device = dev;
0a50575b 3224 err = snd_hda_attach_pcm_stream(bus, codec, cpcm);
1a4ba30c
TI		 3225 if (err < 0) {
3226 codec_err(codec,
3227 "cannot attach PCM stream %d for codec #%d\n",
d068ebc2 3228 dev, codec->core.addr);
1a4ba30c 3229 continue; /* no fatal error */
529bd6c4
TI		 3230 }
3231 }
1a4ba30c 3232
529bd6c4
TI		 3233 return 0;
3234}
3235
1da177e4
LT		 3236/**
3237 * snd_hda_add_new_ctls - create controls from the array
3238 * @codec: the HDA codec
c8b6bf9b 3239 * @knew: the array of struct snd_kcontrol_new
1da177e4
LT		 3240 *
3241 * This helper function creates and add new controls in the given array.
3242 * The array must be terminated with an empty entry as terminator.
3243 *
3244 * Returns 0 if successful, or a negative error code.
3245 */
031024ee
TI		 3246int snd_hda_add_new_ctls(struct hda_codec *codec,
3247 const struct snd_kcontrol_new *knew)
1da177e4 3248{
4d02d1b6 3249 int err;
1da177e4
LT		 3250
3251 for (; knew->name; knew++) {
54d17403 3252 struct snd_kcontrol *kctl;
1afe206a 3253 int addr = 0, idx = 0;
5b0cb1d8
JK		 3254 if (knew->iface == -1) /* skip this codec private value */
3255 continue;
1afe206a 3256 for (;;) {
54d17403 3257 kctl = snd_ctl_new1(knew, codec);
0ba21762 3258 if (!kctl)
54d17403 3259 return -ENOMEM;
1afe206a
TI		 3260 if (addr > 0)
3261 kctl->id.device = addr;
3262 if (idx > 0)
3263 kctl->id.index = idx;
3911a4c1 3264 err = snd_hda_ctl_add(codec, 0, kctl);
1afe206a
TI		 3265 if (!err)
3266 break;
3267 /* try first with another device index corresponding to
3268 * the codec addr; if it still fails (or it's the
3269 * primary codec), then try another control index
3270 */
d068ebc2
TI		 3271 if (!addr && codec->core.addr)
3272 addr = codec->core.addr;
1afe206a
TI		 3273 else if (!idx && !knew->index) {
3274 idx = find_empty_mixer_ctl_idx(codec,
dcda5806 3275 knew->name, 0);
1afe206a
TI		 3276 if (idx <= 0)
3277 return err;
3278 } else
54d17403
TI		 3279 return err;
3280 }
1da177e4
LT		 3281 }
3282 return 0;
3283}
2698ea98 3284EXPORT_SYMBOL_GPL(snd_hda_add_new_ctls);
1da177e4 3285
83012a7c 3286#ifdef CONFIG_PM
bb573928 3287static void codec_set_power_save(struct hda_codec *codec, int delay)
cb53c626 3288{
cc72da7d 3289 struct device *dev = hda_codec_dev(codec);
cc72da7d 3290
2377c3c3
LH		 3291 if (delay == 0 && codec->auto_runtime_pm)
3292 delay = 3000;
3293
cc72da7d
TI		 3294 if (delay > 0) {
3295 pm_runtime_set_autosuspend_delay(dev, delay);
3296 pm_runtime_use_autosuspend(dev);
3297 pm_runtime_allow(dev);
3298 if (!pm_runtime_suspended(dev))
3299 pm_runtime_mark_last_busy(dev);
3300 } else {
3301 pm_runtime_dont_use_autosuspend(dev);
3302 pm_runtime_forbid(dev);
3303 }
cb53c626 3304}
bb573928
TI		 3305
3306/**
3307 * snd_hda_set_power_save - reprogram autosuspend for the given delay
3308 * @bus: HD-audio bus
3309 * @delay: autosuspend delay in msec, 0 = off
3310 *
3311 * Synchronize the runtime PM autosuspend state from the power_save option.
3312 */
3313void snd_hda_set_power_save(struct hda_bus *bus, int delay)
3314{
3315 struct hda_codec *c;
3316
d068ebc2 3317 list_for_each_codec(c, bus)
bb573928
TI		 3318 codec_set_power_save(c, delay);
3319}
3320EXPORT_SYMBOL_GPL(snd_hda_set_power_save);
cb53c626 3321
d5191e50
TI		 3322/**
3323 * snd_hda_check_amp_list_power - Check the amp list and update the power
3324 * @codec: HD-audio codec
3325 * @check: the object containing an AMP list and the status
3326 * @nid: NID to check / update
3327 *
3328 * Check whether the given NID is in the amp list. If it's in the list,
3329 * check the current AMP status, and update the the power-status according
3330 * to the mute status.
3331 *
3332 * This function is supposed to be set or called from the check_power_status
3333 * patch ops.
28aedaf7 3334 */
cb53c626
TI		 3335int snd_hda_check_amp_list_power(struct hda_codec *codec,
3336 struct hda_loopback_check *check,
3337 hda_nid_t nid)
3338{
031024ee 3339 const struct hda_amp_list *p;
cb53c626
TI		 3340 int ch, v;
3341
3342 if (!check->amplist)
3343 return 0;
3344 for (p = check->amplist; p->nid; p++) {
3345 if (p->nid == nid)
3346 break;
3347 }
3348 if (!p->nid)
3349 return 0; /* nothing changed */
3350
3351 for (p = check->amplist; p->nid; p++) {
3352 for (ch = 0; ch < 2; ch++) {
3353 v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
3354 p->idx);
3355 if (!(v & HDA_AMP_MUTE) && v > 0) {
3356 if (!check->power_on) {
3357 check->power_on = 1;
664c7155 3358 snd_hda_power_up_pm(codec);
cb53c626
TI		 3359 }
3360 return 1;
3361 }
3362 }
3363 }
3364 if (check->power_on) {
3365 check->power_on = 0;
664c7155 3366 snd_hda_power_down_pm(codec);
cb53c626
TI		 3367 }
3368 return 0;
3369}
2698ea98 3370EXPORT_SYMBOL_GPL(snd_hda_check_amp_list_power);
cb53c626 3371#endif
1da177e4
LT		 3372
3373/*
3374 * input MUX helper
3375 */
d5191e50
TI		 3376
3377/**
3378 * snd_hda_input_mux_info_info - Info callback helper for the input-mux enum
a11e9b16
TI		 3379 * @imux: imux helper object
3380 * @uinfo: pointer to get/store the data
d5191e50 3381 */
0ba21762
TI		 3382int snd_hda_input_mux_info(const struct hda_input_mux *imux,
3383 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 3384{
3385 unsigned int index;
3386
3387 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
3388 uinfo->count = 1;
3389 uinfo->value.enumerated.items = imux->num_items;
5513b0c5
TI		 3390 if (!imux->num_items)
3391 return 0;
1da177e4
LT		 3392 index = uinfo->value.enumerated.item;
3393 if (index >= imux->num_items)
3394 index = imux->num_items - 1;
3395 strcpy(uinfo->value.enumerated.name, imux->items[index].label);
3396 return 0;
3397}
2698ea98 3398EXPORT_SYMBOL_GPL(snd_hda_input_mux_info);
1da177e4 3399
d5191e50
TI		 3400/**
3401 * snd_hda_input_mux_info_put - Put callback helper for the input-mux enum
a11e9b16
TI		 3402 * @codec: the HDA codec
3403 * @imux: imux helper object
3404 * @ucontrol: pointer to get/store the data
3405 * @nid: input mux NID
3406 * @cur_val: pointer to get/store the current imux value
d5191e50 3407 */
0ba21762
TI		 3408int snd_hda_input_mux_put(struct hda_codec *codec,
3409 const struct hda_input_mux *imux,
3410 struct snd_ctl_elem_value *ucontrol,
3411 hda_nid_t nid,
1da177e4
LT		 3412 unsigned int *cur_val)
3413{
3414 unsigned int idx;
3415
5513b0c5
TI		 3416 if (!imux->num_items)
3417 return 0;
1da177e4
LT		 3418 idx = ucontrol->value.enumerated.item[0];
3419 if (idx >= imux->num_items)
3420 idx = imux->num_items - 1;
82beb8fd 3421 if (*cur_val == idx)
1da177e4 3422 return 0;
82beb8fd
TI		 3423 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
3424 imux->items[idx].index);
1da177e4
LT		 3425 *cur_val = idx;
3426 return 1;
3427}
2698ea98 3428EXPORT_SYMBOL_GPL(snd_hda_input_mux_put);
1da177e4
LT		 3429
3430
a11e9b16
TI		 3431/**
3432 * snd_hda_enum_helper_info - Helper for simple enum ctls
3433 * @kcontrol: ctl element
3434 * @uinfo: pointer to get/store the data
3435 * @num_items: number of enum items
3436 * @texts: enum item string array
3437 *
dda415d4
TI		 3438 * process kcontrol info callback of a simple string enum array
3439 * when @num_items is 0 or @texts is NULL, assume a boolean enum array
3440 */
3441int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
3442 struct snd_ctl_elem_info *uinfo,
3443 int num_items, const char * const *texts)
3444{
3445 static const char * const texts_default[] = {
3446 "Disabled", "Enabled"
3447 };
3448
3449 if (!texts || !num_items) {
3450 num_items = 2;
3451 texts = texts_default;
3452 }
3453
3ff72219 3454 return snd_ctl_enum_info(uinfo, 1, num_items, texts);
dda415d4 3455}
2698ea98 3456EXPORT_SYMBOL_GPL(snd_hda_enum_helper_info);
dda415d4 3457
1da177e4
LT		 3458/*
3459 * Multi-channel / digital-out PCM helper functions
3460 */
3461
6b97eb45
TI		 3462/* setup SPDIF output stream */
3463static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
3464 unsigned int stream_tag, unsigned int format)
3465{
3bef1c37
LD		 3466 struct hda_spdif_out *spdif;
3467 unsigned int curr_fmt;
3468 bool reset;
3469
3470 spdif = snd_hda_spdif_out_of_nid(codec, nid);
960a581e
LY		 3471 /* Add sanity check to pass klockwork check.
3472 * This should never happen.
3473 */
3474 if (WARN_ON(spdif == NULL))
3475 return;
3476
3bef1c37
LD		 3477 curr_fmt = snd_hda_codec_read(codec, nid, 0,
3478 AC_VERB_GET_STREAM_FORMAT, 0);
3479 reset = codec->spdif_status_reset &&
3480 (spdif->ctls & AC_DIG1_ENABLE) &&
3481 curr_fmt != format;
3482
3483 /* turn off SPDIF if needed; otherwise the IEC958 bits won't be
3484 updated */
3485 if (reset)
28aedaf7 3486 set_dig_out_convert(codec, nid,
7c935976 3487 spdif->ctls & ~AC_DIG1_ENABLE & 0xff,
2f72853c 3488 -1);
6b97eb45 3489 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
2f72853c 3490 if (codec->slave_dig_outs) {
dda14410 3491 const hda_nid_t *d;
2f72853c
TI		 3492 for (d = codec->slave_dig_outs; *d; d++)
3493 snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
3494 format);
3495 }
6b97eb45 3496 /* turn on again (if needed) */
3bef1c37 3497 if (reset)
2f72853c 3498 set_dig_out_convert(codec, nid,
7c935976 3499 spdif->ctls & 0xff, -1);
2f72853c 3500}
de51ca12 3501
2f72853c
TI		 3502static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
3503{
3504 snd_hda_codec_cleanup_stream(codec, nid);
3505 if (codec->slave_dig_outs) {
dda14410 3506 const hda_nid_t *d;
2f72853c
TI		 3507 for (d = codec->slave_dig_outs; *d; d++)
3508 snd_hda_codec_cleanup_stream(codec, *d);
de51ca12 3509 }
6b97eb45
TI		 3510}
3511
d5191e50
TI		 3512/**
3513 * snd_hda_multi_out_dig_open - open the digital out in the exclusive mode
a11e9b16
TI		 3514 * @codec: the HDA codec
3515 * @mout: hda_multi_out object
1da177e4 3516 */
0ba21762
TI		 3517int snd_hda_multi_out_dig_open(struct hda_codec *codec,
3518 struct hda_multi_out *mout)
1da177e4 3519{
62932df8 3520 mutex_lock(&codec->spdif_mutex);
5930ca41
TI		 3521 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
3522 /* already opened as analog dup; reset it once */
2f72853c 3523 cleanup_dig_out_stream(codec, mout->dig_out_nid);
1da177e4 3524 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
62932df8 3525 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 3526 return 0;
3527}
2698ea98 3528EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_open);
1da177e4 3529
d5191e50
TI		 3530/**
3531 * snd_hda_multi_out_dig_prepare - prepare the digital out stream
a11e9b16
TI		 3532 * @codec: the HDA codec
3533 * @mout: hda_multi_out object
3534 * @stream_tag: stream tag to assign
3535 * @format: format id to assign
3536 * @substream: PCM substream to assign
d5191e50 3537 */
6b97eb45
TI		 3538int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
3539 struct hda_multi_out *mout,
3540 unsigned int stream_tag,
3541 unsigned int format,
3542 struct snd_pcm_substream *substream)
3543{
3544 mutex_lock(&codec->spdif_mutex);
3545 setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
3546 mutex_unlock(&codec->spdif_mutex);
3547 return 0;
3548}
2698ea98 3549EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_prepare);
6b97eb45 3550
d5191e50
TI		 3551/**
3552 * snd_hda_multi_out_dig_cleanup - clean-up the digital out stream
a11e9b16
TI		 3553 * @codec: the HDA codec
3554 * @mout: hda_multi_out object
d5191e50 3555 */
9411e21c
TI		 3556int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
3557 struct hda_multi_out *mout)
3558{
3559 mutex_lock(&codec->spdif_mutex);
3560 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3561 mutex_unlock(&codec->spdif_mutex);
3562 return 0;
3563}
2698ea98 3564EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_cleanup);
9411e21c 3565
d5191e50
TI		 3566/**
3567 * snd_hda_multi_out_dig_close - release the digital out stream
a11e9b16
TI		 3568 * @codec: the HDA codec
3569 * @mout: hda_multi_out object
1da177e4 3570 */
0ba21762
TI		 3571int snd_hda_multi_out_dig_close(struct hda_codec *codec,
3572 struct hda_multi_out *mout)
1da177e4 3573{
62932df8 3574 mutex_lock(&codec->spdif_mutex);
1da177e4 3575 mout->dig_out_used = 0;
62932df8 3576 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 3577 return 0;
3578}
2698ea98 3579EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_close);
1da177e4 3580
d5191e50
TI		 3581/**
3582 * snd_hda_multi_out_analog_open - open analog outputs
a11e9b16
TI		 3583 * @codec: the HDA codec
3584 * @mout: hda_multi_out object
3585 * @substream: PCM substream to assign
3586 * @hinfo: PCM information to assign
d5191e50
TI		 3587 *
3588 * Open analog outputs and set up the hw-constraints.
3589 * If the digital outputs can be opened as slave, open the digital
3590 * outputs, too.
1da177e4 3591 */
0ba21762
TI		 3592int snd_hda_multi_out_analog_open(struct hda_codec *codec,
3593 struct hda_multi_out *mout,
9a08160b
TI		 3594 struct snd_pcm_substream *substream,
3595 struct hda_pcm_stream *hinfo)
3596{
3597 struct snd_pcm_runtime *runtime = substream->runtime;
3598 runtime->hw.channels_max = mout->max_channels;
3599 if (mout->dig_out_nid) {
3600 if (!mout->analog_rates) {
3601 mout->analog_rates = hinfo->rates;
3602 mout->analog_formats = hinfo->formats;
3603 mout->analog_maxbps = hinfo->maxbps;
3604 } else {
3605 runtime->hw.rates = mout->analog_rates;
3606 runtime->hw.formats = mout->analog_formats;
3607 hinfo->maxbps = mout->analog_maxbps;
3608 }
3609 if (!mout->spdif_rates) {
3610 snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
3611 &mout->spdif_rates,
3612 &mout->spdif_formats,
3613 &mout->spdif_maxbps);
3614 }
3615 mutex_lock(&codec->spdif_mutex);
3616 if (mout->share_spdif) {
022b466f
TI		 3617 if ((runtime->hw.rates & mout->spdif_rates) &&
3618 (runtime->hw.formats & mout->spdif_formats)) {
3619 runtime->hw.rates &= mout->spdif_rates;
3620 runtime->hw.formats &= mout->spdif_formats;
3621 if (mout->spdif_maxbps < hinfo->maxbps)
3622 hinfo->maxbps = mout->spdif_maxbps;
3623 } else {
3624 mout->share_spdif = 0;
3625 /* FIXME: need notify? */
3626 }
9a08160b 3627 }
eaa9985b 3628 mutex_unlock(&codec->spdif_mutex);
9a08160b 3629 }
1da177e4
LT		 3630 return snd_pcm_hw_constraint_step(substream->runtime, 0,
3631 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
3632}
2698ea98 3633EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_open);
1da177e4 3634
d5191e50
TI		 3635/**
3636 * snd_hda_multi_out_analog_prepare - Preapre the analog outputs.
a11e9b16
TI		 3637 * @codec: the HDA codec
3638 * @mout: hda_multi_out object
3639 * @stream_tag: stream tag to assign
3640 * @format: format id to assign
3641 * @substream: PCM substream to assign
d5191e50
TI		 3642 *
3643 * Set up the i/o for analog out.
3644 * When the digital out is available, copy the front out to digital out, too.
1da177e4 3645 */
0ba21762
TI		 3646int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
3647 struct hda_multi_out *mout,
1da177e4
LT		 3648 unsigned int stream_tag,
3649 unsigned int format,
c8b6bf9b 3650 struct snd_pcm_substream *substream)
1da177e4 3651{
dda14410 3652 const hda_nid_t *nids = mout->dac_nids;
1da177e4 3653 int chs = substream->runtime->channels;
e3245cdd 3654 struct hda_spdif_out *spdif;
1da177e4
LT		 3655 int i;
3656
62932df8 3657 mutex_lock(&codec->spdif_mutex);
e3245cdd 3658 spdif = snd_hda_spdif_out_of_nid(codec, mout->dig_out_nid);
9a08160b
TI		 3659 if (mout->dig_out_nid && mout->share_spdif &&
3660 mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
960a581e 3661 if (chs == 2 && spdif != NULL &&
0ba21762
TI		 3662 snd_hda_is_supported_format(codec, mout->dig_out_nid,
3663 format) &&
7c935976 3664 !(spdif->status & IEC958_AES0_NONAUDIO)) {
1da177e4 3665 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
6b97eb45
TI		 3666 setup_dig_out_stream(codec, mout->dig_out_nid,
3667 stream_tag, format);
1da177e4
LT		 3668 } else {
3669 mout->dig_out_used = 0;
2f72853c 3670 cleanup_dig_out_stream(codec, mout->dig_out_nid);
1da177e4
LT		 3671 }
3672 }
62932df8 3673 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 3674
3675 /* front */
0ba21762
TI		 3676 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
3677 0, format);
d29240ce
TI		 3678 if (!mout->no_share_stream &&
3679 mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
1da177e4 3680 /* headphone out will just decode front left/right (stereo) */
0ba21762
TI		 3681 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
3682 0, format);
82bc955f 3683 /* extra outputs copied from front */
a06dbfc2
TI		 3684 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3685 if (!mout->no_share_stream && mout->hp_out_nid[i])
3686 snd_hda_codec_setup_stream(codec,
3687 mout->hp_out_nid[i],
3688 stream_tag, 0, format);
82bc955f 3689
1da177e4
LT		 3690 /* surrounds */
3691 for (i = 1; i < mout->num_dacs; i++) {
4b3acaf5 3692 if (chs >= (i + 1) * 2) /* independent out */
0ba21762
TI		 3693 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3694 i * 2, format);
d29240ce 3695 else if (!mout->no_share_stream) /* copy front */
0ba21762
TI		 3696 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3697 0, format);
1da177e4 3698 }
cd4035e8
DH		 3699
3700 /* extra surrounds */
3701 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) {
3702 int ch = 0;
3703 if (!mout->extra_out_nid[i])
3704 break;
3705 if (chs >= (i + 1) * 2)
3706 ch = i * 2;
3707 else if (!mout->no_share_stream)
3708 break;
3709 snd_hda_codec_setup_stream(codec, mout->extra_out_nid[i],
3710 stream_tag, ch, format);
3711 }
3712
1da177e4
LT		 3713 return 0;
3714}
2698ea98 3715EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_prepare);
1da177e4 3716
d5191e50
TI		 3717/**
3718 * snd_hda_multi_out_analog_cleanup - clean up the setting for analog out
a11e9b16
TI		 3719 * @codec: the HDA codec
3720 * @mout: hda_multi_out object
1da177e4 3721 */
0ba21762
TI		 3722int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
3723 struct hda_multi_out *mout)
1da177e4 3724{
dda14410 3725 const hda_nid_t *nids = mout->dac_nids;
1da177e4
LT		 3726 int i;
3727
3728 for (i = 0; i < mout->num_dacs; i++)
888afa15 3729 snd_hda_codec_cleanup_stream(codec, nids[i]);
1da177e4 3730 if (mout->hp_nid)
888afa15 3731 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
a06dbfc2
TI		 3732 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3733 if (mout->hp_out_nid[i])
3734 snd_hda_codec_cleanup_stream(codec,
3735 mout->hp_out_nid[i]);
82bc955f
TI		 3736 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
3737 if (mout->extra_out_nid[i])
888afa15
TI		 3738 snd_hda_codec_cleanup_stream(codec,
3739 mout->extra_out_nid[i]);
62932df8 3740 mutex_lock(&codec->spdif_mutex);
1da177e4 3741 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
2f72853c 3742 cleanup_dig_out_stream(codec, mout->dig_out_nid);
1da177e4
LT		 3743 mout->dig_out_used = 0;
3744 }
62932df8 3745 mutex_unlock(&codec->spdif_mutex);
1da177e4
LT		 3746 return 0;
3747}
2698ea98 3748EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_cleanup);
1da177e4 3749
4740860b
TI		 3750/**
3751 * snd_hda_get_default_vref - Get the default (mic) VREF pin bits
a11e9b16
TI		 3752 * @codec: the HDA codec
3753 * @pin: referred pin NID
4740860b
TI		 3754 *
3755 * Guess the suitable VREF pin bits to be set as the pin-control value.
3756 * Note: the function doesn't set the AC_PINCTL_IN_EN bit.
3757 */
3758unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin)
3759{
3760 unsigned int pincap;
3761 unsigned int oldval;
3762 oldval = snd_hda_codec_read(codec, pin, 0,
3763 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
3764 pincap = snd_hda_query_pin_caps(codec, pin);
3765 pincap = (pincap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3766 /* Exception: if the default pin setup is vref50, we give it priority */
3767 if ((pincap & AC_PINCAP_VREF_80) && oldval != PIN_VREF50)
3768 return AC_PINCTL_VREF_80;
3769 else if (pincap & AC_PINCAP_VREF_50)
3770 return AC_PINCTL_VREF_50;
3771 else if (pincap & AC_PINCAP_VREF_100)
3772 return AC_PINCTL_VREF_100;
3773 else if (pincap & AC_PINCAP_VREF_GRD)
3774 return AC_PINCTL_VREF_GRD;
3775 return AC_PINCTL_VREF_HIZ;
3776}
2698ea98 3777EXPORT_SYMBOL_GPL(snd_hda_get_default_vref);
4740860b 3778
a11e9b16
TI		 3779/**
3780 * snd_hda_correct_pin_ctl - correct the pin ctl value for matching with the pin cap
3781 * @codec: the HDA codec
3782 * @pin: referred pin NID
3783 * @val: pin ctl value to audit
3784 */
62f3a2f7
TI		 3785unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
3786 hda_nid_t pin, unsigned int val)
3787{
3788 static unsigned int cap_lists[][2] = {
3789 { AC_PINCTL_VREF_100, AC_PINCAP_VREF_100 },
3790 { AC_PINCTL_VREF_80, AC_PINCAP_VREF_80 },
3791 { AC_PINCTL_VREF_50, AC_PINCAP_VREF_50 },
3792 { AC_PINCTL_VREF_GRD, AC_PINCAP_VREF_GRD },
3793 };
3794 unsigned int cap;
3795
3796 if (!val)
3797 return 0;
3798 cap = snd_hda_query_pin_caps(codec, pin);
3799 if (!cap)
3800 return val; /* don't know what to do... */
3801
3802 if (val & AC_PINCTL_OUT_EN) {
3803 if (!(cap & AC_PINCAP_OUT))
3804 val &= ~(AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN);
3805 else if ((val & AC_PINCTL_HP_EN) && !(cap & AC_PINCAP_HP_DRV))
3806 val &= ~AC_PINCTL_HP_EN;
3807 }
3808
3809 if (val & AC_PINCTL_IN_EN) {
3810 if (!(cap & AC_PINCAP_IN))
3811 val &= ~(AC_PINCTL_IN_EN | AC_PINCTL_VREFEN);
3812 else {
3813 unsigned int vcap, vref;
3814 int i;
3815 vcap = (cap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3816 vref = val & AC_PINCTL_VREFEN;
3817 for (i = 0; i < ARRAY_SIZE(cap_lists); i++) {
3818 if (vref == cap_lists[i][0] &&
3819 !(vcap & cap_lists[i][1])) {
3820 if (i == ARRAY_SIZE(cap_lists) - 1)
3821 vref = AC_PINCTL_VREF_HIZ;
3822 else
3823 vref = cap_lists[i + 1][0];
3824 }
3825 }
3826 val &= ~AC_PINCTL_VREFEN;
3827 val |= vref;
3828 }
3829 }
3830
3831 return val;
3832}
2698ea98 3833EXPORT_SYMBOL_GPL(snd_hda_correct_pin_ctl);
62f3a2f7 3834
a11e9b16
TI		 3835/**
3836 * _snd_hda_pin_ctl - Helper to set pin ctl value
3837 * @codec: the HDA codec
3838 * @pin: referred pin NID
3839 * @val: pin control value to set
3840 * @cached: access over codec pinctl cache or direct write
3841 *
3842 * This function is a helper to set a pin ctl value more safely.
3843 * It corrects the pin ctl value via snd_hda_correct_pin_ctl(), stores the
3844 * value in pin target array via snd_hda_codec_set_pin_target(), then
3845 * actually writes the value via either snd_hda_codec_update_cache() or
3846 * snd_hda_codec_write() depending on @cached flag.
3847 */
cdd03ced
TI		 3848int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
3849 unsigned int val, bool cached)
3850{
62f3a2f7 3851 val = snd_hda_correct_pin_ctl(codec, pin, val);
d7fdc00a 3852 snd_hda_codec_set_pin_target(codec, pin, val);
cdd03ced
TI		 3853 if (cached)
3854 return snd_hda_codec_update_cache(codec, pin, 0,
3855 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3856 else
3857 return snd_hda_codec_write(codec, pin, 0,
3858 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3859}
2698ea98 3860EXPORT_SYMBOL_GPL(_snd_hda_set_pin_ctl);
cdd03ced 3861
990061c2
TI		 3862/**
3863 * snd_hda_add_imux_item - Add an item to input_mux
a11e9b16
TI		 3864 * @codec: the HDA codec
3865 * @imux: imux helper object
3866 * @label: the name of imux item to assign
3867 * @index: index number of imux item to assign
3868 * @type_idx: pointer to store the resultant label index
990061c2
TI		 3869 *
3870 * When the same label is used already in the existing items, the number
3871 * suffix is appended to the label. This label index number is stored
3872 * to type_idx when non-NULL pointer is given.
3873 */
6194b99d
TI		 3874int snd_hda_add_imux_item(struct hda_codec *codec,
3875 struct hda_input_mux *imux, const char *label,
10a20af7
TI		 3876 int index, int *type_idx)
3877{
3878 int i, label_idx = 0;
3879 if (imux->num_items >= HDA_MAX_NUM_INPUTS) {
6194b99d 3880 codec_err(codec, "hda_codec: Too many imux items!\n");
10a20af7
TI		 3881 return -EINVAL;
3882 }
3883 for (i = 0; i < imux->num_items; i++) {
3884 if (!strncmp(label, imux->items[i].label, strlen(label)))
3885 label_idx++;
d7b1ae9d 3886 }
10a20af7
TI		 3887 if (type_idx)
3888 *type_idx = label_idx;
3889 if (label_idx > 0)
3890 snprintf(imux->items[imux->num_items].label,
3891 sizeof(imux->items[imux->num_items].label),
3892 "%s %d", label, label_idx);
b5786e85 3893 else
10a20af7
TI		 3894 strlcpy(imux->items[imux->num_items].label, label,
3895 sizeof(imux->items[imux->num_items].label));
3896 imux->items[imux->num_items].index = index;
3897 imux->num_items++;
3898 return 0;
d7b1ae9d 3899}
2698ea98 3900EXPORT_SYMBOL_GPL(snd_hda_add_imux_item);
d7b1ae9d 3901
1da177e4 3902/**
0a50575b 3903 * snd_hda_bus_reset_codecs - Reset the bus
59ed1ead 3904 * @bus: HD-audio bus
1da177e4 3905 */
0a50575b 3906void snd_hda_bus_reset_codecs(struct hda_bus *bus)
1da177e4 3907{
0ba21762 3908 struct hda_codec *codec;
1da177e4 3909
d068ebc2 3910 list_for_each_codec(codec, bus) {
59ed1ead 3911 /* FIXME: maybe a better way needed for forced reset */
26a6cb6c 3912 cancel_delayed_work_sync(&codec->jackpoll_work);
59ed1ead 3913#ifdef CONFIG_PM
0e24dbb7 3914 if (hda_codec_is_power_on(codec)) {
cc72da7d 3915 hda_call_codec_suspend(codec);
12edb893 3916 hda_call_codec_resume(codec);
59ed1ead
TI		 3917 }
3918#endif
1da177e4 3919 }
1da177e4 3920}
b2e18597 3921
d5191e50
TI		 3922/**
3923 * snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer
3924 * @pcm: PCM caps bits
3925 * @buf: the string buffer to write
3926 * @buflen: the max buffer length
3927 *
3928 * used by hda_proc.c and hda_eld.c
3929 */
b2022266
TI		 3930void snd_print_pcm_bits(int pcm, char *buf, int buflen)
3931{
3932 static unsigned int bits[] = { 8, 16, 20, 24, 32 };
3933 int i, j;
3934
3935 for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++)
3936 if (pcm & (AC_SUPPCM_BITS_8 << i))
3937 j += snprintf(buf + j, buflen - j, " %d", bits[i]);
3938
3939 buf[j] = '\0'; /* necessary when j == 0 */
3940}
2698ea98 3941EXPORT_SYMBOL_GPL(snd_print_pcm_bits);
1289e9e8
TI		 3942
3943MODULE_DESCRIPTION("HDA codec core");
3944MODULE_LICENSE("GPL");
Linux 6.x block layer and io_uring tree(s)