2 * Universal Interface for Intel High Definition Audio Codec
4 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
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.
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.
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
22 #include <linux/init.h>
23 #include <linux/delay.h>
24 #include <linux/slab.h>
25 #include <linux/mutex.h>
26 #include <linux/module.h>
28 #include <linux/pm_runtime.h>
29 #include <sound/core.h>
30 #include "hda_codec.h"
31 #include <sound/asoundef.h>
32 #include <sound/tlv.h>
33 #include <sound/initval.h>
34 #include <sound/jack.h>
35 #include "hda_local.h"
38 #include <sound/hda_hwdep.h>
41 #define codec_in_pm(codec) atomic_read(&(codec)->core.in_pm)
42 #define hda_codec_is_power_on(codec) \
43 (!pm_runtime_suspended(hda_codec_dev(codec)))
45 #define codec_in_pm(codec) 0
46 #define hda_codec_is_power_on(codec) 1
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)
55 * Send and receive a verb - passed to exec_verb override for hdac_device
57 static int codec_exec_verb(struct hdac_device *dev, unsigned int cmd,
58 unsigned int flags, unsigned int *res)
60 struct hda_codec *codec = container_of(dev, struct hda_codec, core);
61 struct hda_bus *bus = codec->bus;
68 snd_hda_power_up_pm(codec);
69 mutex_lock(&bus->core.cmd_mutex);
70 if (flags & HDA_RW_NO_RESPONSE_FALLBACK)
71 bus->no_response_fallback = 1;
72 err = snd_hdac_bus_exec_verb_unlocked(&bus->core, codec->core.addr,
74 bus->no_response_fallback = 0;
75 mutex_unlock(&bus->core.cmd_mutex);
76 snd_hda_power_down_pm(codec);
77 if (!codec_in_pm(codec) && res && err == -EAGAIN) {
78 if (bus->response_reset) {
80 "resetting BUS due to fatal communication error\n");
81 snd_hda_bus_reset(bus);
85 /* clear reset-flag when the communication gets recovered */
86 if (!err || codec_in_pm(codec))
87 bus->response_reset = 0;
92 * snd_hda_sequence_write - sequence writes
93 * @codec: the HDA codec
94 * @seq: VERB array to send
96 * Send the commands sequentially from the given array.
97 * The array must be terminated with NID=0.
99 void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
101 for (; seq->nid; seq++)
102 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
104 EXPORT_SYMBOL_GPL(snd_hda_sequence_write);
106 /* connection list element */
107 struct hda_conn_list {
108 struct list_head list;
114 /* look up the cached results */
115 static struct hda_conn_list *
116 lookup_conn_list(struct hda_codec *codec, hda_nid_t nid)
118 struct hda_conn_list *p;
119 list_for_each_entry(p, &codec->conn_list, list) {
126 static int add_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
127 const hda_nid_t *list)
129 struct hda_conn_list *p;
131 p = kmalloc(sizeof(*p) + len * sizeof(hda_nid_t), GFP_KERNEL);
136 memcpy(p->conns, list, len * sizeof(hda_nid_t));
137 list_add(&p->list, &codec->conn_list);
141 static void remove_conn_list(struct hda_codec *codec)
143 while (!list_empty(&codec->conn_list)) {
144 struct hda_conn_list *p;
145 p = list_first_entry(&codec->conn_list, typeof(*p), list);
151 /* read the connection and add to the cache */
152 static int read_and_add_raw_conns(struct hda_codec *codec, hda_nid_t nid)
155 hda_nid_t *result = list;
158 len = snd_hda_get_raw_connections(codec, nid, list, ARRAY_SIZE(list));
159 if (len == -ENOSPC) {
160 len = snd_hda_get_num_raw_conns(codec, nid);
161 result = kmalloc_array(len, sizeof(hda_nid_t), GFP_KERNEL);
164 len = snd_hda_get_raw_connections(codec, nid, result, len);
167 len = snd_hda_override_conn_list(codec, nid, len, result);
174 * snd_hda_get_conn_list - get connection list
175 * @codec: the HDA codec
177 * @listp: the pointer to store NID list
179 * Parses the connection list of the given widget and stores the pointer
180 * to the list of NIDs.
182 * Returns the number of connections, or a negative error code.
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.
188 int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
189 const hda_nid_t **listp)
195 const struct hda_conn_list *p;
197 /* if the connection-list is already cached, read it */
198 p = lookup_conn_list(codec, nid);
204 if (snd_BUG_ON(added))
207 err = read_and_add_raw_conns(codec, nid);
213 EXPORT_SYMBOL_GPL(snd_hda_get_conn_list);
216 * snd_hda_get_connections - copy connection list
217 * @codec: the HDA codec
219 * @conn_list: connection list array; when NULL, checks only the size
220 * @max_conns: max. number of connections to store
222 * Parses the connection list of the given widget and stores the list
225 * Returns the number of connections, or a negative error code.
227 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
228 hda_nid_t *conn_list, int max_conns)
230 const hda_nid_t *list;
231 int len = snd_hda_get_conn_list(codec, nid, &list);
233 if (len > 0 && conn_list) {
234 if (len > max_conns) {
235 codec_err(codec, "Too many connections %d for NID 0x%x\n",
239 memcpy(conn_list, list, len * sizeof(hda_nid_t));
244 EXPORT_SYMBOL_GPL(snd_hda_get_connections);
247 * snd_hda_override_conn_list - add/modify the connection-list to cache
248 * @codec: the HDA codec
250 * @len: number of connection list entries
251 * @list: the list of connection entries
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.
256 * Returns zero or a negative error code.
258 int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
259 const hda_nid_t *list)
261 struct hda_conn_list *p;
263 p = lookup_conn_list(codec, nid);
269 return add_conn_list(codec, nid, len, list);
271 EXPORT_SYMBOL_GPL(snd_hda_override_conn_list);
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
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.
284 int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
285 hda_nid_t nid, int recursive)
287 const hda_nid_t *conn;
290 nums = snd_hda_get_conn_list(codec, mux, &conn);
291 for (i = 0; i < nums; i++)
296 if (recursive > 10) {
297 codec_dbg(codec, "too deep connection for 0x%x\n", nid);
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)
305 if (snd_hda_get_conn_index(codec, conn[i], nid, recursive) >= 0)
310 EXPORT_SYMBOL_GPL(snd_hda_get_conn_index);
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
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.
320 unsigned int snd_hda_get_num_devices(struct hda_codec *codec, hda_nid_t nid)
322 unsigned int wcaps = get_wcaps(codec, nid);
325 if (!codec->dp_mst || !(wcaps & AC_WCAP_DIGITAL) ||
326 get_wcaps_type(wcaps) != AC_WID_PIN)
329 parm = snd_hdac_read_parm_uncached(&codec->core, nid, AC_PAR_DEVLIST_LEN);
332 return parm & AC_DEV_LIST_LEN_MASK;
334 EXPORT_SYMBOL_GPL(snd_hda_get_num_devices);
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
343 * Copy the device list. This info is dynamic and so not cached.
344 * Currently called only from hda_proc.c, so not exported.
346 int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid,
347 u8 *dev_list, int max_devices)
350 int i, dev_len, devices;
352 parm = snd_hda_get_num_devices(codec, nid);
353 if (!parm) /* not multi-stream capable */
357 dev_len = dev_len < max_devices ? dev_len : max_devices;
360 while (devices < dev_len) {
361 if (snd_hdac_read(&codec->core, nid,
362 AC_VERB_GET_DEVICE_LIST, devices, &parm))
365 for (i = 0; i < 8; i++) {
366 dev_list[devices] = (u8)parm;
369 if (devices >= dev_len)
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
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.
385 int snd_hda_get_dev_select(struct hda_codec *codec, hda_nid_t nid)
387 /* not support dp_mst will always return 0, using first dev_entry */
391 return snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DEVICE_SEL, 0);
393 EXPORT_SYMBOL_GPL(snd_hda_get_dev_select);
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
401 * Set the device entry select on the pin nid.
403 int snd_hda_set_dev_select(struct hda_codec *codec, hda_nid_t nid, int dev_id)
405 int ret, num_devices;
407 /* not support dp_mst will always return 0, using first dev_entry */
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.
417 if (num_devices == 1)
420 /* Behavior of setting index being equal to or greater than
421 * Device List Length is not predictable
423 if (num_devices <= dev_id)
426 ret = snd_hda_codec_write(codec, nid, 0,
427 AC_VERB_SET_DEVICE_SEL, dev_id);
431 EXPORT_SYMBOL_GPL(snd_hda_set_dev_select);
434 * read widget caps for each widget and store in cache
436 static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
441 codec->wcaps = kmalloc_array(codec->core.num_nodes, 4, GFP_KERNEL);
444 nid = codec->core.start_nid;
445 for (i = 0; i < codec->core.num_nodes; i++, nid++)
446 codec->wcaps[i] = snd_hdac_read_parm_uncached(&codec->core,
447 nid, AC_PAR_AUDIO_WIDGET_CAP);
451 /* read all pin default configurations and save codec->init_pins */
452 static int read_pin_defaults(struct hda_codec *codec)
456 for_each_hda_codec_node(nid, codec) {
457 struct hda_pincfg *pin;
458 unsigned int wcaps = get_wcaps(codec, nid);
459 unsigned int wid_type = get_wcaps_type(wcaps);
460 if (wid_type != AC_WID_PIN)
462 pin = snd_array_new(&codec->init_pins);
466 pin->cfg = snd_hda_codec_read(codec, nid, 0,
467 AC_VERB_GET_CONFIG_DEFAULT, 0);
469 * all device entries are the same widget control so far
470 * fixme: if any codec is different, need fix here
472 pin->ctrl = snd_hda_codec_read(codec, nid, 0,
473 AC_VERB_GET_PIN_WIDGET_CONTROL,
479 /* look up the given pin config list and return the item matching with NID */
480 static struct hda_pincfg *look_up_pincfg(struct hda_codec *codec,
481 struct snd_array *array,
484 struct hda_pincfg *pin;
487 snd_array_for_each(array, i, pin) {
494 /* set the current pin config value for the given NID.
495 * the value is cached, and read via snd_hda_codec_get_pincfg()
497 int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
498 hda_nid_t nid, unsigned int cfg)
500 struct hda_pincfg *pin;
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
507 if (get_wcaps_type(get_wcaps(codec, nid)) != AC_WID_PIN)
511 pin = look_up_pincfg(codec, list, nid);
513 pin = snd_array_new(list);
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
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.
532 int snd_hda_codec_set_pincfg(struct hda_codec *codec,
533 hda_nid_t nid, unsigned int cfg)
535 return snd_hda_add_pincfg(codec, &codec->driver_pins, nid, cfg);
537 EXPORT_SYMBOL_GPL(snd_hda_codec_set_pincfg);
540 * snd_hda_codec_get_pincfg - Obtain a pin-default configuration
541 * @codec: the HDA codec
542 * @nid: NID to get the pin config
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.
548 unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid)
550 struct hda_pincfg *pin;
552 #ifdef CONFIG_SND_HDA_RECONFIG
554 unsigned int cfg = 0;
555 mutex_lock(&codec->user_mutex);
556 pin = look_up_pincfg(codec, &codec->user_pins, nid);
559 mutex_unlock(&codec->user_mutex);
564 pin = look_up_pincfg(codec, &codec->driver_pins, nid);
567 pin = look_up_pincfg(codec, &codec->init_pins, nid);
572 EXPORT_SYMBOL_GPL(snd_hda_codec_get_pincfg);
575 * snd_hda_codec_set_pin_target - remember the current pinctl target value
576 * @codec: the HDA codec
578 * @val: assigned pinctl value
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().
584 int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid,
587 struct hda_pincfg *pin;
589 pin = look_up_pincfg(codec, &codec->init_pins, nid);
595 EXPORT_SYMBOL_GPL(snd_hda_codec_set_pin_target);
598 * snd_hda_codec_get_pin_target - return the current pinctl target value
599 * @codec: the HDA codec
602 int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid)
604 struct hda_pincfg *pin;
606 pin = look_up_pincfg(codec, &codec->init_pins, nid);
611 EXPORT_SYMBOL_GPL(snd_hda_codec_get_pin_target);
614 * snd_hda_shutup_pins - Shut up all pins
615 * @codec: the HDA codec
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.
620 void snd_hda_shutup_pins(struct hda_codec *codec)
622 const struct hda_pincfg *pin;
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
628 if (codec->bus->shutdown)
630 snd_array_for_each(&codec->init_pins, i, pin) {
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);
635 codec->pins_shutup = 1;
637 EXPORT_SYMBOL_GPL(snd_hda_shutup_pins);
640 /* Restore the pin controls cleared previously via snd_hda_shutup_pins() */
641 static void restore_shutup_pins(struct hda_codec *codec)
643 const struct hda_pincfg *pin;
646 if (!codec->pins_shutup)
648 if (codec->bus->shutdown)
650 snd_array_for_each(&codec->init_pins, i, pin) {
651 snd_hda_codec_write(codec, pin->nid, 0,
652 AC_VERB_SET_PIN_WIDGET_CONTROL,
655 codec->pins_shutup = 0;
659 static void hda_jackpoll_work(struct work_struct *work)
661 struct hda_codec *codec =
662 container_of(work, struct hda_codec, jackpoll_work.work);
664 snd_hda_jack_set_dirty_all(codec);
665 snd_hda_jack_poll_all(codec);
667 if (!codec->jackpoll_interval)
670 schedule_delayed_work(&codec->jackpoll_work,
671 codec->jackpoll_interval);
674 /* release all pincfg lists */
675 static void free_init_pincfgs(struct hda_codec *codec)
677 snd_array_free(&codec->driver_pins);
678 #ifdef CONFIG_SND_HDA_RECONFIG
679 snd_array_free(&codec->user_pins);
681 snd_array_free(&codec->init_pins);
685 * audio-converter setup caches
687 struct hda_cvt_setup {
692 unsigned char active; /* cvt is currently used */
693 unsigned char dirty; /* setups should be cleared */
696 /* get or create a cache entry for the given audio converter NID */
697 static struct hda_cvt_setup *
698 get_hda_cvt_setup(struct hda_codec *codec, hda_nid_t nid)
700 struct hda_cvt_setup *p;
703 snd_array_for_each(&codec->cvt_setups, i, p) {
707 p = snd_array_new(&codec->cvt_setups);
716 static void release_pcm(struct kref *kref)
718 struct hda_pcm *pcm = container_of(kref, struct hda_pcm, kref);
721 snd_device_free(pcm->codec->card, pcm->pcm);
722 clear_bit(pcm->device, pcm->codec->bus->pcm_dev_bits);
727 void snd_hda_codec_pcm_put(struct hda_pcm *pcm)
729 kref_put(&pcm->kref, release_pcm);
731 EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_put);
733 struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec,
734 const char *fmt, ...)
739 pcm = kzalloc(sizeof(*pcm), GFP_KERNEL);
744 kref_init(&pcm->kref);
746 pcm->name = kvasprintf(GFP_KERNEL, fmt, args);
753 list_add_tail(&pcm->list, &codec->pcm_list_head);
756 EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_new);
761 static void codec_release_pcms(struct hda_codec *codec)
763 struct hda_pcm *pcm, *n;
765 list_for_each_entry_safe(pcm, n, &codec->pcm_list_head, list) {
766 list_del_init(&pcm->list);
768 snd_device_disconnect(codec->card, pcm->pcm);
769 snd_hda_codec_pcm_put(pcm);
773 void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec)
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;
782 cancel_delayed_work_sync(&codec->jackpoll_work);
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;
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);
803 snd_hdac_regmap_exit(&codec->core);
806 static unsigned int hda_set_power_state(struct hda_codec *codec,
807 unsigned int power_state);
809 /* also called from hda_bind.c */
810 void snd_hda_codec_register(struct hda_codec *codec)
812 if (codec->registered)
814 if (device_is_registered(hda_codec_dev(codec))) {
815 snd_hda_register_beep_device(codec);
816 snd_hdac_link_power(&codec->core, true);
817 pm_runtime_enable(hda_codec_dev(codec));
818 /* it was powered up in snd_hda_codec_new(), now all done */
819 snd_hda_power_down(codec);
820 codec->registered = 1;
824 static int snd_hda_codec_dev_register(struct snd_device *device)
826 snd_hda_codec_register(device->device_data);
830 static int snd_hda_codec_dev_disconnect(struct snd_device *device)
832 struct hda_codec *codec = device->device_data;
834 snd_hda_detach_beep_device(codec);
838 static int snd_hda_codec_dev_free(struct snd_device *device)
840 struct hda_codec *codec = device->device_data;
842 codec->in_freeing = 1;
843 snd_hdac_device_unregister(&codec->core);
844 snd_hdac_link_power(&codec->core, false);
845 put_device(hda_codec_dev(codec));
849 static void snd_hda_codec_dev_release(struct device *dev)
851 struct hda_codec *codec = dev_to_hda_codec(dev);
853 free_init_pincfgs(codec);
854 snd_hdac_device_exit(&codec->core);
855 snd_hda_sysfs_clear(codec);
856 kfree(codec->modelname);
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
867 * Returns 0 if successful, or a negative error code.
869 int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card,
870 unsigned int codec_addr, struct hda_codec **codecp)
872 struct hda_codec *codec;
876 static struct snd_device_ops dev_ops = {
877 .dev_register = snd_hda_codec_dev_register,
878 .dev_disconnect = snd_hda_codec_dev_disconnect,
879 .dev_free = snd_hda_codec_dev_free,
882 if (snd_BUG_ON(!bus))
884 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
887 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
891 sprintf(component, "hdaudioC%dD%d", card->number, codec_addr);
892 err = snd_hdac_device_init(&codec->core, &bus->core, component,
899 codec->core.dev.release = snd_hda_codec_dev_release;
900 codec->core.type = HDA_DEV_LEGACY;
901 codec->core.exec_verb = codec_exec_verb;
905 codec->addr = codec_addr;
906 mutex_init(&codec->spdif_mutex);
907 mutex_init(&codec->control_mutex);
908 snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 32);
909 snd_array_init(&codec->nids, sizeof(struct hda_nid_item), 32);
910 snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16);
911 snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16);
912 snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8);
913 snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16);
914 snd_array_init(&codec->jacktbl, sizeof(struct hda_jack_tbl), 16);
915 snd_array_init(&codec->verbs, sizeof(struct hda_verb *), 8);
916 INIT_LIST_HEAD(&codec->conn_list);
917 INIT_LIST_HEAD(&codec->pcm_list_head);
919 INIT_DELAYED_WORK(&codec->jackpoll_work, hda_jackpoll_work);
920 codec->depop_delay = -1;
921 codec->fixup_id = HDA_FIXUP_ID_NOT_SET;
924 codec->power_jiffies = jiffies;
927 snd_hda_sysfs_init(codec);
929 if (codec->bus->modelname) {
930 codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL);
931 if (!codec->modelname) {
937 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
938 err = read_widget_caps(codec, fg);
941 err = read_pin_defaults(codec);
945 /* power-up all before initialization */
946 hda_set_power_state(codec, AC_PWRST_D0);
948 snd_hda_codec_proc_new(codec);
950 snd_hda_create_hwdep(codec);
952 sprintf(component, "HDA:%08x,%08x,%08x", codec->core.vendor_id,
953 codec->core.subsystem_id, codec->core.revision_id);
954 snd_component_add(card, component);
956 err = snd_device_new(card, SNDRV_DEV_CODEC, codec, &dev_ops);
965 put_device(hda_codec_dev(codec));
968 EXPORT_SYMBOL_GPL(snd_hda_codec_new);
971 * snd_hda_codec_update_widgets - Refresh widget caps and pin defaults
972 * @codec: the HDA codec
974 * Forcibly refresh the all widget caps and the init pin configurations of
977 int snd_hda_codec_update_widgets(struct hda_codec *codec)
982 err = snd_hdac_refresh_widgets(&codec->core, true);
986 /* Assume the function group node does not change,
987 * only the widget nodes may change.
990 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
991 err = read_widget_caps(codec, fg);
995 snd_array_free(&codec->init_pins);
996 err = read_pin_defaults(codec);
1000 EXPORT_SYMBOL_GPL(snd_hda_codec_update_widgets);
1002 /* update the stream-id if changed */
1003 static 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)
1007 unsigned int oldval, newval;
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,
1016 p->stream_tag = stream_tag;
1017 p->channel_id = channel_id;
1021 /* update the format-id if changed */
1022 static void update_pcm_format(struct hda_codec *codec, struct hda_cvt_setup *p,
1023 hda_nid_t nid, int format)
1025 unsigned int oldval;
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) {
1032 snd_hda_codec_write(codec, nid, 0,
1033 AC_VERB_SET_STREAM_FORMAT,
1036 p->format_id = format;
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.
1048 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
1050 int channel_id, int format)
1052 struct hda_codec *c;
1053 struct hda_cvt_setup *p;
1061 "hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
1062 nid, stream_tag, channel_id, format);
1063 p = get_hda_cvt_setup(codec, nid);
1067 if (codec->patch_ops.stream_pm)
1068 codec->patch_ops.stream_pm(codec, nid, true);
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);
1078 /* make other inactive cvts with the same stream-tag dirty */
1079 type = get_wcaps_type(get_wcaps(codec, nid));
1080 list_for_each_codec(c, codec->bus) {
1081 snd_array_for_each(&c->cvt_setups, i, p) {
1082 if (!p->active && p->stream_tag == stream_tag &&
1083 get_wcaps_type(get_wcaps(c, p->nid)) == type)
1088 EXPORT_SYMBOL_GPL(snd_hda_codec_setup_stream);
1090 static void really_cleanup_stream(struct hda_codec *codec,
1091 struct hda_cvt_setup *q);
1094 * __snd_hda_codec_cleanup_stream - clean up the codec for closing
1095 * @codec: the CODEC to clean up
1096 * @nid: the NID to clean up
1097 * @do_now: really clean up the stream instead of clearing the active flag
1099 void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
1102 struct hda_cvt_setup *p;
1107 if (codec->no_sticky_stream)
1110 codec_dbg(codec, "hda_codec_cleanup_stream: NID=0x%x\n", nid);
1111 p = get_hda_cvt_setup(codec, nid);
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()
1118 really_cleanup_stream(codec, p);
1123 EXPORT_SYMBOL_GPL(__snd_hda_codec_cleanup_stream);
1125 static void really_cleanup_stream(struct hda_codec *codec,
1126 struct hda_cvt_setup *q)
1128 hda_nid_t nid = q->nid;
1129 if (q->stream_tag || q->channel_id)
1130 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1132 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0
1134 memset(q, 0, sizeof(*q));
1136 if (codec->patch_ops.stream_pm)
1137 codec->patch_ops.stream_pm(codec, nid, false);
1140 /* clean up the all conflicting obsolete streams */
1141 static void purify_inactive_streams(struct hda_codec *codec)
1143 struct hda_codec *c;
1144 struct hda_cvt_setup *p;
1147 list_for_each_codec(c, codec->bus) {
1148 snd_array_for_each(&c->cvt_setups, i, p) {
1150 really_cleanup_stream(c, p);
1156 /* clean up all streams; called from suspend */
1157 static void hda_cleanup_all_streams(struct hda_codec *codec)
1159 struct hda_cvt_setup *p;
1162 snd_array_for_each(&codec->cvt_setups, i, p) {
1164 really_cleanup_stream(codec, p);
1170 * amp access functions
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
1179 * Query AMP capabilities for the given widget and direction.
1180 * Returns the obtained capability bits.
1182 * When cap bits have been already read, this doesn't read again but
1183 * returns the cached value.
1185 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
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);
1193 EXPORT_SYMBOL_GPL(query_amp_caps);
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
1200 * @bits: bit mask to check the result
1202 * Check whether the widget has the given amp capability for the direction.
1204 bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
1205 int dir, unsigned int bits)
1209 if (get_wcaps(codec, nid) & (1 << (dir + 1)))
1210 if (query_amp_caps(codec, nid, dir) & bits)
1214 EXPORT_SYMBOL_GPL(snd_hda_check_amp_caps);
1217 * snd_hda_override_amp_caps - Override the AMP capabilities
1218 * @codec: the CODEC to clean up
1219 * @nid: the NID to clean up
1220 * @dir: either #HDA_INPUT or #HDA_OUTPUT
1221 * @caps: the capability bits to set
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.
1227 * Returns zero if successful or a negative error code.
1229 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
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);
1239 EXPORT_SYMBOL_GPL(snd_hda_override_amp_caps);
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
1251 * Update the AMP values for the given channel, direction and index.
1253 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid,
1254 int ch, int dir, int idx, int mask, int val)
1256 unsigned int cmd = snd_hdac_regmap_encode_amp(nid, ch, dir, idx);
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);
1264 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_update);
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
1275 * Update the AMP values like snd_hda_codec_amp_update(), but for a
1276 * stereo widget with the same mask and value.
1278 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
1279 int direction, int idx, int mask, int val)
1283 if (snd_BUG_ON(mask & ~0xff))
1285 for (ch = 0; ch < 2; ch++)
1286 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
1290 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_stereo);
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
1302 * Works like snd_hda_codec_amp_update() but it writes the value only at
1303 * the first access. If the amp was already initialized / updated beforehand,
1304 * this does nothing.
1306 int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
1307 int dir, int idx, int mask, int val)
1311 if (!codec->core.regmap)
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);
1318 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx, mask, val);
1320 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init);
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
1331 * Call snd_hda_codec_amp_init() for both stereo channels.
1333 int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
1334 int dir, int idx, int mask, int val)
1338 if (snd_BUG_ON(mask & ~0xff))
1340 for (ch = 0; ch < 2; ch++)
1341 ret |= snd_hda_codec_amp_init(codec, nid, ch, dir,
1345 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init_stereo);
1347 static u32 get_amp_max_value(struct hda_codec *codec, hda_nid_t nid, int dir,
1350 u32 caps = query_amp_caps(codec, nid, dir);
1352 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1359 * snd_hda_mixer_amp_volume_info - Info callback for a standard AMP mixer
1360 * @kcontrol: referred ctl element
1361 * @uinfo: pointer to get/store the data
1363 * The control element is supposed to have the private_value field
1364 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1366 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
1367 struct snd_ctl_elem_info *uinfo)
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);
1373 unsigned int ofs = get_amp_offset(kcontrol);
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) {
1381 "num_steps = 0 for NID=0x%x (ctl = %s)\n",
1382 nid, kcontrol->id.name);
1387 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_info);
1390 static inline unsigned int
1391 read_amp_value(struct hda_codec *codec, hda_nid_t nid,
1392 int ch, int dir, int idx, unsigned int ofs)
1395 val = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
1396 val &= HDA_AMP_VOLMASK;
1405 update_amp_value(struct hda_codec *codec, hda_nid_t nid,
1406 int ch, int dir, int idx, unsigned int ofs,
1409 unsigned int maxval;
1413 /* ofs = 0: raw max value */
1414 maxval = get_amp_max_value(codec, nid, dir, 0);
1417 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx,
1418 HDA_AMP_VOLMASK, val);
1422 * snd_hda_mixer_amp_volume_get - Get callback for a standard AMP mixer volume
1423 * @kcontrol: ctl element
1424 * @ucontrol: pointer to get/store the data
1426 * The control element is supposed to have the private_value field
1427 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1429 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
1430 struct snd_ctl_elem_value *ucontrol)
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);
1437 unsigned int ofs = get_amp_offset(kcontrol);
1438 long *valp = ucontrol->value.integer.value;
1441 *valp++ = read_amp_value(codec, nid, 0, dir, idx, ofs);
1443 *valp = read_amp_value(codec, nid, 1, dir, idx, ofs);
1446 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_get);
1449 * snd_hda_mixer_amp_volume_put - Put callback for a standard AMP mixer volume
1450 * @kcontrol: ctl element
1451 * @ucontrol: pointer to get/store the data
1453 * The control element is supposed to have the private_value field
1454 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1456 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1457 struct snd_ctl_elem_value *ucontrol)
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);
1464 unsigned int ofs = get_amp_offset(kcontrol);
1465 long *valp = ucontrol->value.integer.value;
1469 change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp);
1473 change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp);
1476 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_put);
1478 /* inquiry the amp caps and convert to TLV */
1479 static void get_ctl_amp_tlv(struct snd_kcontrol *kcontrol, unsigned int *tlv)
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);
1484 unsigned int ofs = get_amp_offset(kcontrol);
1485 bool min_mute = get_amp_min_mute(kcontrol);
1486 u32 caps, val1, val2;
1488 caps = query_amp_caps(codec, nid, dir);
1489 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1490 val2 = (val2 + 1) * 25;
1491 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1493 val1 = ((int)val1) * ((int)val2);
1494 if (min_mute || (caps & AC_AMPCAP_MIN_MUTE))
1495 val2 |= TLV_DB_SCALE_MUTE;
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;
1503 * snd_hda_mixer_amp_tlv - TLV callback for a standard AMP mixer volume
1504 * @kcontrol: ctl element
1505 * @op_flag: operation flag
1506 * @size: byte size of input TLV
1509 * The control element is supposed to have the private_value field
1510 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1512 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1513 unsigned int size, unsigned int __user *_tlv)
1515 unsigned int tlv[4];
1517 if (size < 4 * sizeof(unsigned int))
1519 get_ctl_amp_tlv(kcontrol, tlv);
1520 if (copy_to_user(_tlv, tlv, sizeof(tlv)))
1524 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_tlv);
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
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.
1537 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1543 caps = query_amp_caps(codec, nid, dir);
1544 nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1545 step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1546 step = (step + 1) * 25;
1547 tlv[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;
1552 EXPORT_SYMBOL_GPL(snd_hda_set_vmaster_tlv);
1554 /* find a mixer control element with the given name */
1555 static struct snd_kcontrol *
1556 find_mixer_ctl(struct hda_codec *codec, const char *name, int dev, int idx)
1558 struct snd_ctl_elem_id id;
1559 memset(&id, 0, sizeof(id));
1560 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1563 if (snd_BUG_ON(strlen(name) >= sizeof(id.name)))
1565 strcpy(id.name, name);
1566 return snd_ctl_find_id(codec->card, &id);
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
1574 * Get the control element with the given id string and IFACE_MIXER.
1576 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1579 return find_mixer_ctl(codec, name, 0, 0);
1581 EXPORT_SYMBOL_GPL(snd_hda_find_mixer_ctl);
1583 static int find_empty_mixer_ctl_idx(struct hda_codec *codec, const char *name,
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))
1596 * snd_hda_ctl_add - Add a control element and assign to the codec
1597 * @codec: HD-audio codec
1598 * @nid: corresponding NID (optional)
1599 * @kctl: the control element to assign
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.
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.
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
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.
1614 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
1615 struct snd_kcontrol *kctl)
1618 unsigned short flags = 0;
1619 struct hda_nid_item *item;
1621 if (kctl->id.subdevice & HDA_SUBDEV_AMP_FLAG) {
1622 flags |= HDA_NID_ITEM_AMP;
1624 nid = get_amp_nid_(kctl->private_value);
1626 if ((kctl->id.subdevice & HDA_SUBDEV_NID_FLAG) != 0 && nid == 0)
1627 nid = kctl->id.subdevice & 0xffff;
1628 if (kctl->id.subdevice & (HDA_SUBDEV_NID_FLAG|HDA_SUBDEV_AMP_FLAG))
1629 kctl->id.subdevice = 0;
1630 err = snd_ctl_add(codec->card, kctl);
1633 item = snd_array_new(&codec->mixers);
1638 item->flags = flags;
1641 EXPORT_SYMBOL_GPL(snd_hda_ctl_add);
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
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.
1654 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
1655 unsigned int index, hda_nid_t nid)
1657 struct hda_nid_item *item;
1660 item = snd_array_new(&codec->nids);
1664 item->index = index;
1668 codec_err(codec, "no NID for mapping control %s:%d:%d\n",
1669 kctl->id.name, kctl->id.index, index);
1672 EXPORT_SYMBOL_GPL(snd_hda_add_nid);
1675 * snd_hda_ctls_clear - Clear all controls assigned to the given codec
1676 * @codec: HD-audio codec
1678 void snd_hda_ctls_clear(struct hda_codec *codec)
1681 struct hda_nid_item *items = codec->mixers.list;
1682 for (i = 0; i < codec->mixers.used; i++)
1683 snd_ctl_remove(codec->card, items[i].kctl);
1684 snd_array_free(&codec->mixers);
1685 snd_array_free(&codec->nids);
1689 * snd_hda_lock_devices - pseudo device locking
1692 * toggle card->shutdown to allow/disallow the device access (as a hack)
1694 int snd_hda_lock_devices(struct hda_bus *bus)
1696 struct snd_card *card = bus->card;
1697 struct hda_codec *codec;
1699 spin_lock(&card->files_lock);
1703 if (!list_empty(&card->ctl_files))
1706 list_for_each_codec(codec, bus) {
1707 struct hda_pcm *cpcm;
1708 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
1711 if (cpcm->pcm->streams[0].substream_opened ||
1712 cpcm->pcm->streams[1].substream_opened)
1716 spin_unlock(&card->files_lock);
1722 spin_unlock(&card->files_lock);
1725 EXPORT_SYMBOL_GPL(snd_hda_lock_devices);
1728 * snd_hda_unlock_devices - pseudo device unlocking
1731 void snd_hda_unlock_devices(struct hda_bus *bus)
1733 struct snd_card *card = bus->card;
1735 spin_lock(&card->files_lock);
1737 spin_unlock(&card->files_lock);
1739 EXPORT_SYMBOL_GPL(snd_hda_unlock_devices);
1742 * snd_hda_codec_reset - Clear all objects assigned to the codec
1743 * @codec: HD-audio codec
1745 * This frees the all PCM and control elements assigned to the codec, and
1746 * clears the caches and restores the pin default configurations.
1748 * When a device is being used, it returns -EBSY. If successfully freed,
1751 int snd_hda_codec_reset(struct hda_codec *codec)
1753 struct hda_bus *bus = codec->bus;
1755 if (snd_hda_lock_devices(bus) < 0)
1758 /* OK, let it free */
1759 snd_hdac_device_unregister(&codec->core);
1761 /* allow device access again */
1762 snd_hda_unlock_devices(bus);
1766 typedef int (*map_slave_func_t)(struct hda_codec *, void *, struct snd_kcontrol *);
1768 /* apply the function to all matching slave ctls in the mixer list */
1769 static int map_slaves(struct hda_codec *codec, const char * const *slaves,
1770 const char *suffix, map_slave_func_t func, void *data)
1772 struct hda_nid_item *items;
1773 const char * const *s;
1776 items = codec->mixers.list;
1777 for (i = 0; i < codec->mixers.used; i++) {
1778 struct snd_kcontrol *sctl = items[i].kctl;
1779 if (!sctl || sctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER)
1781 for (s = slaves; *s; s++) {
1782 char tmpname[sizeof(sctl->id.name)];
1783 const char *name = *s;
1785 snprintf(tmpname, sizeof(tmpname), "%s %s",
1789 if (!strcmp(sctl->id.name, name)) {
1790 err = func(codec, data, sctl);
1800 static int check_slave_present(struct hda_codec *codec,
1801 void *data, struct snd_kcontrol *sctl)
1806 /* call kctl->put with the given value(s) */
1807 static int put_kctl_with_value(struct snd_kcontrol *kctl, int val)
1809 struct snd_ctl_elem_value *ucontrol;
1810 ucontrol = kzalloc(sizeof(*ucontrol), GFP_KERNEL);
1813 ucontrol->value.integer.value[0] = val;
1814 ucontrol->value.integer.value[1] = val;
1815 kctl->put(kctl, ucontrol);
1820 struct slave_init_arg {
1821 struct hda_codec *codec;
1825 /* initialize the slave volume with 0dB via snd_ctl_apply_vmaster_slaves() */
1826 static int init_slave_0dB(struct snd_kcontrol *slave,
1827 struct snd_kcontrol *kctl,
1830 struct slave_init_arg *arg = _arg;
1832 const int *tlv = NULL;
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 */
1843 get_ctl_amp_tlv(kctl, _tlv);
1845 } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ)
1848 if (!tlv || tlv[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE)
1851 step = tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP];
1852 step &= ~TLV_DB_SCALE_MUTE;
1855 if (arg->step && arg->step != step) {
1856 codec_err(arg->codec,
1857 "Mismatching dB step for vmaster slave (%d!=%d)\n",
1863 val = -tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] / step;
1865 put_kctl_with_value(slave, val);
1872 /* unmute the slave via snd_ctl_apply_vmaster_slaves() */
1873 static int init_slave_unmute(struct snd_kcontrol *slave,
1874 struct snd_kcontrol *kctl,
1877 return put_kctl_with_value(slave, 1);
1880 static int add_slave(struct hda_codec *codec,
1881 void *data, struct snd_kcontrol *slave)
1883 return snd_ctl_add_slave(data, slave);
1887 * __snd_hda_add_vmaster - create a virtual master control and add slaves
1888 * @codec: HD-audio codec
1889 * @name: vmaster control name
1890 * @tlv: TLV data (optional)
1891 * @slaves: slave control names (optional)
1892 * @suffix: suffix string to each slave name (optional)
1893 * @init_slave_vol: initialize slaves to unmute/0dB
1894 * @ctl_ret: store the vmaster kcontrol in return
1896 * Create a virtual master control with the given name. The TLV data
1897 * must be either NULL or a valid data.
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.
1903 * This function returns zero if successful or a negative error code.
1905 int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
1906 unsigned int *tlv, const char * const *slaves,
1907 const char *suffix, bool init_slave_vol,
1908 struct snd_kcontrol **ctl_ret)
1910 struct snd_kcontrol *kctl;
1916 err = map_slaves(codec, slaves, suffix, check_slave_present, NULL);
1918 codec_dbg(codec, "No slave found for %s\n", name);
1921 kctl = snd_ctl_make_virtual_master(name, tlv);
1924 err = snd_hda_ctl_add(codec, 0, kctl);
1928 err = map_slaves(codec, slaves, suffix, add_slave, kctl);
1932 /* init with master mute & zero volume */
1933 put_kctl_with_value(kctl, 0);
1934 if (init_slave_vol) {
1935 struct slave_init_arg arg = {
1939 snd_ctl_apply_vmaster_slaves(kctl,
1940 tlv ? init_slave_0dB : init_slave_unmute,
1948 EXPORT_SYMBOL_GPL(__snd_hda_add_vmaster);
1951 * mute-LED control using vmaster
1953 static int vmaster_mute_mode_info(struct snd_kcontrol *kcontrol,
1954 struct snd_ctl_elem_info *uinfo)
1956 static const char * const texts[] = {
1957 "On", "Off", "Follow Master"
1960 return snd_ctl_enum_info(uinfo, 1, 3, texts);
1963 static int vmaster_mute_mode_get(struct snd_kcontrol *kcontrol,
1964 struct snd_ctl_elem_value *ucontrol)
1966 struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
1967 ucontrol->value.enumerated.item[0] = hook->mute_mode;
1971 static int vmaster_mute_mode_put(struct snd_kcontrol *kcontrol,
1972 struct snd_ctl_elem_value *ucontrol)
1974 struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
1975 unsigned int old_mode = hook->mute_mode;
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)
1982 snd_hda_sync_vmaster_hook(hook);
1986 static const struct snd_kcontrol_new vmaster_mute_mode = {
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,
1994 /* meta hook to call each driver's vmaster hook */
1995 static void vmaster_hook(void *private_data, int enabled)
1997 struct hda_vmaster_mute_hook *hook = private_data;
1999 if (hook->mute_mode != HDA_VMUTE_FOLLOW_MASTER)
2000 enabled = hook->mute_mode;
2001 hook->hook(hook->codec, enabled);
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
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.
2014 int snd_hda_add_vmaster_hook(struct hda_codec *codec,
2015 struct hda_vmaster_mute_hook *hook,
2016 bool expose_enum_ctl)
2018 struct snd_kcontrol *kctl;
2020 if (!hook->hook || !hook->sw_kctl)
2022 hook->codec = codec;
2023 hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
2024 snd_ctl_add_vmaster_hook(hook->sw_kctl, vmaster_hook, hook);
2025 if (!expose_enum_ctl)
2027 kctl = snd_ctl_new1(&vmaster_mute_mode, hook);
2030 return snd_hda_ctl_add(codec, 0, kctl);
2032 EXPORT_SYMBOL_GPL(snd_hda_add_vmaster_hook);
2035 * snd_hda_sync_vmaster_hook - Sync vmaster hook
2036 * @hook: the vmaster hook
2038 * Call the hook with the current value for synchronization.
2039 * Should be called in init callback.
2041 void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook)
2043 if (!hook->hook || !hook->codec)
2045 /* don't call vmaster hook in the destructor since it might have
2046 * been already destroyed
2048 if (hook->codec->bus->shutdown)
2050 snd_ctl_sync_vmaster_hook(hook->sw_kctl);
2052 EXPORT_SYMBOL_GPL(snd_hda_sync_vmaster_hook);
2056 * snd_hda_mixer_amp_switch_info - Info callback for a standard AMP mixer switch
2057 * @kcontrol: referred ctl element
2058 * @uinfo: pointer to get/store the data
2060 * The control element is supposed to have the private_value field
2061 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2063 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
2064 struct snd_ctl_elem_info *uinfo)
2066 int chs = get_amp_channels(kcontrol);
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;
2074 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_info);
2077 * snd_hda_mixer_amp_switch_get - Get callback for a standard AMP mixer switch
2078 * @kcontrol: ctl element
2079 * @ucontrol: pointer to get/store the data
2081 * The control element is supposed to have the private_value field
2082 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2084 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
2085 struct snd_ctl_elem_value *ucontrol)
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;
2095 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
2096 HDA_AMP_MUTE) ? 0 : 1;
2098 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
2099 HDA_AMP_MUTE) ? 0 : 1;
2102 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_get);
2105 * snd_hda_mixer_amp_switch_put - Put callback for a standard AMP mixer switch
2106 * @kcontrol: ctl element
2107 * @ucontrol: pointer to get/store the data
2109 * The control element is supposed to have the private_value field
2110 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2112 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
2113 struct snd_ctl_elem_value *ucontrol)
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);
2120 long *valp = ucontrol->value.integer.value;
2124 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
2126 *valp ? 0 : HDA_AMP_MUTE);
2130 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
2132 *valp ? 0 : HDA_AMP_MUTE);
2133 hda_call_check_power_status(codec, nid);
2136 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put);
2139 * SPDIF out controls
2142 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
2143 struct snd_ctl_elem_info *uinfo)
2145 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2150 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
2151 struct snd_ctl_elem_value *ucontrol)
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;
2162 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
2163 struct snd_ctl_elem_value *ucontrol)
2165 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2166 IEC958_AES0_NONAUDIO |
2167 IEC958_AES0_PRO_EMPHASIS_5015;
2171 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
2172 struct snd_ctl_elem_value *ucontrol)
2174 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2175 int idx = kcontrol->private_value;
2176 struct hda_spdif_out *spdif;
2178 if (WARN_ON(codec->spdif_out.used <= idx))
2180 mutex_lock(&codec->spdif_mutex);
2181 spdif = snd_array_elem(&codec->spdif_out, idx);
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;
2186 mutex_unlock(&codec->spdif_mutex);
2191 /* convert from SPDIF status bits to HDA SPDIF bits
2192 * bit 0 (DigEn) is always set zero (to be filled later)
2194 static unsigned short convert_from_spdif_status(unsigned int sbits)
2196 unsigned short val = 0;
2198 if (sbits & IEC958_AES0_PROFESSIONAL)
2199 val |= AC_DIG1_PROFESSIONAL;
2200 if (sbits & IEC958_AES0_NONAUDIO)
2201 val |= AC_DIG1_NONAUDIO;
2202 if (sbits & IEC958_AES0_PROFESSIONAL) {
2203 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
2204 IEC958_AES0_PRO_EMPHASIS_5015)
2205 val |= AC_DIG1_EMPHASIS;
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;
2212 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
2213 val |= AC_DIG1_LEVEL;
2214 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
2219 /* convert to SPDIF status bits from HDA SPDIF bits
2221 static unsigned int convert_to_spdif_status(unsigned short val)
2223 unsigned int sbits = 0;
2225 if (val & AC_DIG1_NONAUDIO)
2226 sbits |= IEC958_AES0_NONAUDIO;
2227 if (val & AC_DIG1_PROFESSIONAL)
2228 sbits |= IEC958_AES0_PROFESSIONAL;
2229 if (sbits & IEC958_AES0_PROFESSIONAL) {
2230 if (val & AC_DIG1_EMPHASIS)
2231 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
2233 if (val & AC_DIG1_EMPHASIS)
2234 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
2235 if (!(val & AC_DIG1_COPYRIGHT))
2236 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
2237 if (val & AC_DIG1_LEVEL)
2238 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
2239 sbits |= val & (0x7f << 8);
2244 /* set digital convert verbs both for the given NID and its slaves */
2245 static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
2250 snd_hdac_regmap_update(&codec->core, nid, AC_VERB_SET_DIGI_CONVERT_1,
2252 d = codec->slave_dig_outs;
2256 snd_hdac_regmap_update(&codec->core, *d,
2257 AC_VERB_SET_DIGI_CONVERT_1, mask, val);
2260 static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
2263 unsigned int mask = 0;
2264 unsigned int val = 0;
2274 set_dig_out(codec, nid, mask, val);
2277 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
2278 struct snd_ctl_elem_value *ucontrol)
2280 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2281 int idx = kcontrol->private_value;
2282 struct hda_spdif_out *spdif;
2287 if (WARN_ON(codec->spdif_out.used <= idx))
2289 mutex_lock(&codec->spdif_mutex);
2290 spdif = snd_array_elem(&codec->spdif_out, idx);
2292 spdif->status = ucontrol->value.iec958.status[0] |
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);
2296 val = convert_from_spdif_status(spdif->status);
2297 val |= spdif->ctls & 1;
2298 change = spdif->ctls != val;
2300 if (change && nid != (u16)-1)
2301 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
2302 mutex_unlock(&codec->spdif_mutex);
2306 #define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
2308 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
2309 struct snd_ctl_elem_value *ucontrol)
2311 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2312 int idx = kcontrol->private_value;
2313 struct hda_spdif_out *spdif;
2315 if (WARN_ON(codec->spdif_out.used <= idx))
2317 mutex_lock(&codec->spdif_mutex);
2318 spdif = snd_array_elem(&codec->spdif_out, idx);
2319 ucontrol->value.integer.value[0] = spdif->ctls & AC_DIG1_ENABLE;
2320 mutex_unlock(&codec->spdif_mutex);
2324 static inline void set_spdif_ctls(struct hda_codec *codec, hda_nid_t nid,
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,
2335 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
2336 struct snd_ctl_elem_value *ucontrol)
2338 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2339 int idx = kcontrol->private_value;
2340 struct hda_spdif_out *spdif;
2345 if (WARN_ON(codec->spdif_out.used <= idx))
2347 mutex_lock(&codec->spdif_mutex);
2348 spdif = snd_array_elem(&codec->spdif_out, idx);
2350 val = spdif->ctls & ~AC_DIG1_ENABLE;
2351 if (ucontrol->value.integer.value[0])
2352 val |= AC_DIG1_ENABLE;
2353 change = spdif->ctls != val;
2355 if (change && nid != (u16)-1)
2356 set_spdif_ctls(codec, nid, val & 0xff, -1);
2357 mutex_unlock(&codec->spdif_mutex);
2361 static struct snd_kcontrol_new dig_mixes[] = {
2363 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2364 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2365 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
2366 .info = snd_hda_spdif_mask_info,
2367 .get = snd_hda_spdif_cmask_get,
2370 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2371 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2372 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
2373 .info = snd_hda_spdif_mask_info,
2374 .get = snd_hda_spdif_pmask_get,
2377 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2378 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
2379 .info = snd_hda_spdif_mask_info,
2380 .get = snd_hda_spdif_default_get,
2381 .put = snd_hda_spdif_default_put,
2384 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2385 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
2386 .info = snd_hda_spdif_out_switch_info,
2387 .get = snd_hda_spdif_out_switch_get,
2388 .put = snd_hda_spdif_out_switch_put,
2394 * snd_hda_create_dig_out_ctls - create Output SPDIF-related controls
2395 * @codec: the HDA codec
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.
2402 * Returns 0 if successful, or a negative error code.
2404 int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
2405 hda_nid_t associated_nid,
2410 struct snd_kcontrol *kctl;
2411 struct snd_kcontrol_new *dig_mix;
2414 const int spdif_index = 16;
2415 struct hda_spdif_out *spdif;
2416 struct hda_bus *bus = codec->bus;
2418 if (bus->primary_dig_out_type == HDA_PCM_TYPE_HDMI &&
2419 type == HDA_PCM_TYPE_SPDIF) {
2421 } else if (bus->primary_dig_out_type == HDA_PCM_TYPE_SPDIF &&
2422 type == HDA_PCM_TYPE_HDMI) {
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);
2428 kctl->id.index = spdif_index;
2430 bus->primary_dig_out_type = HDA_PCM_TYPE_HDMI;
2432 if (!bus->primary_dig_out_type)
2433 bus->primary_dig_out_type = type;
2435 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Playback Switch", idx);
2437 codec_err(codec, "too many IEC958 outputs\n");
2440 spdif = snd_array_new(&codec->spdif_out);
2443 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2444 kctl = snd_ctl_new1(dig_mix, codec);
2447 kctl->id.index = idx;
2448 kctl->private_value = codec->spdif_out.used - 1;
2449 err = snd_hda_ctl_add(codec, associated_nid, kctl);
2453 spdif->nid = cvt_nid;
2454 snd_hdac_regmap_read(&codec->core, cvt_nid,
2455 AC_VERB_GET_DIGI_CONVERT_1, &val);
2457 spdif->status = convert_to_spdif_status(spdif->ctls);
2460 EXPORT_SYMBOL_GPL(snd_hda_create_dig_out_ctls);
2463 * snd_hda_spdif_out_of_nid - get the hda_spdif_out entry from the given NID
2464 * @codec: the HDA codec
2467 * call within spdif_mutex lock
2469 struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
2472 struct hda_spdif_out *spdif;
2475 snd_array_for_each(&codec->spdif_out, i, spdif) {
2476 if (spdif->nid == nid)
2481 EXPORT_SYMBOL_GPL(snd_hda_spdif_out_of_nid);
2484 * snd_hda_spdif_ctls_unassign - Unassign the given SPDIF ctl
2485 * @codec: the HDA codec
2486 * @idx: the SPDIF ctl index
2488 * Unassign the widget from the given SPDIF control.
2490 void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx)
2492 struct hda_spdif_out *spdif;
2494 if (WARN_ON(codec->spdif_out.used <= idx))
2496 mutex_lock(&codec->spdif_mutex);
2497 spdif = snd_array_elem(&codec->spdif_out, idx);
2498 spdif->nid = (u16)-1;
2499 mutex_unlock(&codec->spdif_mutex);
2501 EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_unassign);
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
2509 * Assign the widget to the SPDIF control with the given index.
2511 void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid)
2513 struct hda_spdif_out *spdif;
2516 if (WARN_ON(codec->spdif_out.used <= idx))
2518 mutex_lock(&codec->spdif_mutex);
2519 spdif = snd_array_elem(&codec->spdif_out, idx);
2520 if (spdif->nid != nid) {
2523 set_spdif_ctls(codec, nid, val & 0xff, (val >> 8) & 0xff);
2525 mutex_unlock(&codec->spdif_mutex);
2527 EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_assign);
2530 * SPDIF sharing with analog output
2532 static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
2533 struct snd_ctl_elem_value *ucontrol)
2535 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2536 ucontrol->value.integer.value[0] = mout->share_spdif;
2540 static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
2541 struct snd_ctl_elem_value *ucontrol)
2543 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2544 mout->share_spdif = !!ucontrol->value.integer.value[0];
2548 static const struct snd_kcontrol_new spdif_share_sw = {
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,
2557 * snd_hda_create_spdif_share_sw - create Default PCM switch
2558 * @codec: the HDA codec
2559 * @mout: multi-out instance
2561 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
2562 struct hda_multi_out *mout)
2564 struct snd_kcontrol *kctl;
2566 if (!mout->dig_out_nid)
2569 kctl = snd_ctl_new1(&spdif_share_sw, mout);
2572 /* ATTENTION: here mout is passed as private_data, instead of codec */
2573 return snd_hda_ctl_add(codec, mout->dig_out_nid, kctl);
2575 EXPORT_SYMBOL_GPL(snd_hda_create_spdif_share_sw);
2581 #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
2583 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
2584 struct snd_ctl_elem_value *ucontrol)
2586 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2588 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
2592 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
2593 struct snd_ctl_elem_value *ucontrol)
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];
2600 mutex_lock(&codec->spdif_mutex);
2601 change = codec->spdif_in_enable != val;
2603 codec->spdif_in_enable = val;
2604 snd_hdac_regmap_write(&codec->core, nid,
2605 AC_VERB_SET_DIGI_CONVERT_1, val);
2607 mutex_unlock(&codec->spdif_mutex);
2611 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
2612 struct snd_ctl_elem_value *ucontrol)
2614 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2615 hda_nid_t nid = kcontrol->private_value;
2619 snd_hdac_regmap_read(&codec->core, nid,
2620 AC_VERB_GET_DIGI_CONVERT_1, &val);
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;
2629 static struct snd_kcontrol_new dig_in_ctls[] = {
2631 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2632 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, SWITCH),
2633 .info = snd_hda_spdif_in_switch_info,
2634 .get = snd_hda_spdif_in_switch_get,
2635 .put = snd_hda_spdif_in_switch_put,
2638 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2639 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2640 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
2641 .info = snd_hda_spdif_mask_info,
2642 .get = snd_hda_spdif_in_status_get,
2648 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
2649 * @codec: the HDA codec
2650 * @nid: audio in widget NID
2652 * Creates controls related with the SPDIF input.
2653 * Called from each patch supporting the SPDIF in.
2655 * Returns 0 if successful, or a negative error code.
2657 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
2660 struct snd_kcontrol *kctl;
2661 struct snd_kcontrol_new *dig_mix;
2664 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Capture Switch", 0);
2666 codec_err(codec, "too many IEC958 inputs\n");
2669 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
2670 kctl = snd_ctl_new1(dig_mix, codec);
2673 kctl->private_value = nid;
2674 err = snd_hda_ctl_add(codec, nid, kctl);
2678 codec->spdif_in_enable =
2679 snd_hda_codec_read(codec, nid, 0,
2680 AC_VERB_GET_DIGI_CONVERT_1, 0) &
2684 EXPORT_SYMBOL_GPL(snd_hda_create_spdif_in_ctls);
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_*)
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.
2696 void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
2697 unsigned int power_state)
2701 for_each_hda_codec_node(nid, codec) {
2702 unsigned int wcaps = get_wcaps(codec, nid);
2703 unsigned int state = power_state;
2704 if (!(wcaps & AC_WCAP_POWER))
2706 if (codec->power_filter) {
2707 state = codec->power_filter(codec, nid, power_state);
2708 if (state != power_state && power_state == AC_PWRST_D3)
2711 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
2715 EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_to_all);
2718 * snd_hda_codec_eapd_power_filter - A power filter callback for EAPD
2719 * @codec: the HDA codec
2721 * @power_state: power state to evalue
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.
2726 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
2728 unsigned int power_state)
2730 if (nid == codec->core.afg || nid == codec->core.mfg)
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);
2742 EXPORT_SYMBOL_GPL(snd_hda_codec_eapd_power_filter);
2745 * set power state of the codec, and return the power state
2747 static unsigned int hda_set_power_state(struct hda_codec *codec,
2748 unsigned int power_state)
2750 hda_nid_t fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
2755 /* this delay seems necessary to avoid click noise at power-down */
2756 if (power_state == AC_PWRST_D3) {
2757 if (codec->depop_delay < 0)
2758 msleep(codec_has_epss(codec) ? 10 : 100);
2759 else if (codec->depop_delay > 0)
2760 msleep(codec->depop_delay);
2761 flags = HDA_RW_NO_RESPONSE_FALLBACK;
2764 /* repeat power states setting at most 10 times*/
2765 for (count = 0; count < 10; count++) {
2766 if (codec->patch_ops.set_power_state)
2767 codec->patch_ops.set_power_state(codec, fg,
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,
2777 snd_hda_codec_set_power_to_all(codec, fg, power_state);
2779 state = snd_hda_sync_power_state(codec, fg, power_state);
2780 if (!(state & AC_PWRST_ERROR))
2787 /* sync power states of all widgets;
2788 * this is called at the end of codec parsing
2790 static void sync_power_up_states(struct hda_codec *codec)
2794 /* don't care if no filter is used */
2795 if (!codec->power_filter)
2798 for_each_hda_codec_node(nid, codec) {
2799 unsigned int wcaps = get_wcaps(codec, nid);
2800 unsigned int target;
2801 if (!(wcaps & AC_WCAP_POWER))
2803 target = codec->power_filter(codec, nid, AC_PWRST_D0);
2804 if (target == AC_PWRST_D0)
2806 if (!snd_hda_check_power_state(codec, nid, target))
2807 snd_hda_codec_write(codec, nid, 0,
2808 AC_VERB_SET_POWER_STATE, target);
2812 #ifdef CONFIG_SND_HDA_RECONFIG
2813 /* execute additional init verbs */
2814 static void hda_exec_init_verbs(struct hda_codec *codec)
2816 if (codec->init_verbs.list)
2817 snd_hda_sequence_write(codec, codec->init_verbs.list);
2820 static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
2824 /* update the power on/off account with the current jiffies */
2825 static void update_power_acct(struct hda_codec *codec, bool on)
2827 unsigned long delta = jiffies - codec->power_jiffies;
2830 codec->power_on_acct += delta;
2832 codec->power_off_acct += delta;
2833 codec->power_jiffies += delta;
2836 void snd_hda_update_power_acct(struct hda_codec *codec)
2838 update_power_acct(codec, hda_codec_is_power_on(codec));
2842 * call suspend and power-down; used both from PM and power-save
2843 * this function returns the power state in the end
2845 static unsigned int hda_call_codec_suspend(struct hda_codec *codec)
2849 atomic_inc(&codec->core.in_pm);
2851 if (codec->patch_ops.suspend)
2852 codec->patch_ops.suspend(codec);
2853 hda_cleanup_all_streams(codec);
2854 state = hda_set_power_state(codec, AC_PWRST_D3);
2855 update_power_acct(codec, true);
2856 atomic_dec(&codec->core.in_pm);
2861 * kick up codec; used both from PM and power-save
2863 static void hda_call_codec_resume(struct hda_codec *codec)
2865 atomic_inc(&codec->core.in_pm);
2867 if (codec->core.regmap)
2868 regcache_mark_dirty(codec->core.regmap);
2870 codec->power_jiffies = jiffies;
2872 hda_set_power_state(codec, AC_PWRST_D0);
2873 restore_shutup_pins(codec);
2874 hda_exec_init_verbs(codec);
2875 snd_hda_jack_set_dirty_all(codec);
2876 if (codec->patch_ops.resume)
2877 codec->patch_ops.resume(codec);
2879 if (codec->patch_ops.init)
2880 codec->patch_ops.init(codec);
2881 if (codec->core.regmap)
2882 regcache_sync(codec->core.regmap);
2885 if (codec->jackpoll_interval)
2886 hda_jackpoll_work(&codec->jackpoll_work.work);
2888 snd_hda_jack_report_sync(codec);
2889 atomic_dec(&codec->core.in_pm);
2892 static int hda_codec_runtime_suspend(struct device *dev)
2894 struct hda_codec *codec = dev_to_hda_codec(dev);
2895 struct hda_pcm *pcm;
2898 cancel_delayed_work_sync(&codec->jackpoll_work);
2899 list_for_each_entry(pcm, &codec->pcm_list_head, list)
2900 snd_pcm_suspend_all(pcm->pcm);
2901 state = hda_call_codec_suspend(codec);
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);
2905 snd_hdac_link_power(&codec->core, false);
2909 static int hda_codec_runtime_resume(struct device *dev)
2911 struct hda_codec *codec = dev_to_hda_codec(dev);
2913 snd_hdac_link_power(&codec->core, true);
2914 snd_hdac_codec_link_up(&codec->core);
2915 hda_call_codec_resume(codec);
2916 pm_runtime_mark_last_busy(dev);
2919 #endif /* CONFIG_PM */
2921 /* referred in hda_bind.c */
2922 const struct dev_pm_ops hda_codec_driver_pm = {
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,
2930 * add standard channel maps if not specified
2932 static int add_std_chmaps(struct hda_codec *codec)
2934 struct hda_pcm *pcm;
2937 list_for_each_entry(pcm, &codec->pcm_list_head, list) {
2938 for (str = 0; str < 2; str++) {
2939 struct hda_pcm_stream *hinfo = &pcm->stream[str];
2940 struct snd_pcm_chmap *chmap;
2941 const struct snd_pcm_chmap_elem *elem;
2943 if (!pcm->pcm || pcm->own_chmap || !hinfo->substreams)
2945 elem = hinfo->chmap ? hinfo->chmap : snd_pcm_std_chmaps;
2946 err = snd_pcm_add_chmap_ctls(pcm->pcm, str, elem,
2947 hinfo->channels_max,
2951 chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
2957 /* default channel maps for 2.1 speakers;
2958 * since HD-audio supports only stereo, odd number channels are omitted
2960 const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[] = {
2962 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
2964 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR,
2965 SNDRV_CHMAP_LFE, SNDRV_CHMAP_LFE } },
2968 EXPORT_SYMBOL_GPL(snd_pcm_2_1_chmaps);
2970 int snd_hda_codec_build_controls(struct hda_codec *codec)
2973 hda_exec_init_verbs(codec);
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);
2982 /* we create chmaps here instead of build_pcms */
2983 err = add_std_chmaps(codec);
2987 if (codec->jackpoll_interval)
2988 hda_jackpoll_work(&codec->jackpoll_work.work);
2990 snd_hda_jack_report_sync(codec); /* call at the last init point */
2991 sync_power_up_states(codec);
2998 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
2999 struct hda_codec *codec,
3000 struct snd_pcm_substream *substream)
3005 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
3006 struct hda_codec *codec,
3007 unsigned int stream_tag,
3008 unsigned int format,
3009 struct snd_pcm_substream *substream)
3011 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
3015 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
3016 struct hda_codec *codec,
3017 struct snd_pcm_substream *substream)
3019 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
3023 static int set_pcm_default_values(struct hda_codec *codec,
3024 struct hda_pcm_stream *info)
3028 /* query support PCM information from the given NID */
3029 if (info->nid && (!info->rates || !info->formats)) {
3030 err = snd_hda_query_supported_pcm(codec, info->nid,
3031 info->rates ? NULL : &info->rates,
3032 info->formats ? NULL : &info->formats,
3033 info->maxbps ? NULL : &info->maxbps);
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) {
3042 if (snd_BUG_ON(!info->nid))
3044 info->ops.prepare = hda_pcm_default_prepare;
3046 if (info->ops.cleanup == NULL) {
3047 if (snd_BUG_ON(!info->nid))
3049 info->ops.cleanup = hda_pcm_default_cleanup;
3055 * codec prepare/cleanup entries
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
3065 * Calls the prepare callback set by the codec with the given arguments.
3066 * Clean up the inactive streams when successful.
3068 int 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)
3075 mutex_lock(&codec->bus->prepare_mutex);
3076 if (hinfo->ops.prepare)
3077 ret = hinfo->ops.prepare(hinfo, codec, stream, format,
3082 purify_inactive_streams(codec);
3083 mutex_unlock(&codec->bus->prepare_mutex);
3086 EXPORT_SYMBOL_GPL(snd_hda_codec_prepare);
3089 * snd_hda_codec_cleanup - Prepare a stream
3090 * @codec: the HDA codec
3091 * @hinfo: PCM information
3092 * @substream: PCM substream
3094 * Calls the cleanup callback set by the codec with the given arguments.
3096 void snd_hda_codec_cleanup(struct hda_codec *codec,
3097 struct hda_pcm_stream *hinfo,
3098 struct snd_pcm_substream *substream)
3100 mutex_lock(&codec->bus->prepare_mutex);
3101 if (hinfo->ops.cleanup)
3102 hinfo->ops.cleanup(hinfo, codec, substream);
3103 mutex_unlock(&codec->bus->prepare_mutex);
3105 EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup);
3108 const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = {
3109 "Audio", "SPDIF", "HDMI", "Modem"
3113 * get the empty PCM device number to assign
3115 static int get_empty_pcm_device(struct hda_bus *bus, unsigned int type)
3117 /* audio device indices; not linear to keep compatibility */
3118 /* assigned to static slots up to dev#10; if more needed, assign
3119 * the later slot dynamically (when CONFIG_SND_DYNAMIC_MINORS=y)
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 },
3124 [HDA_PCM_TYPE_HDMI] = { 3, 7, 8, 9, -1 },
3125 [HDA_PCM_TYPE_MODEM] = { 6, -1 },
3129 if (type >= HDA_PCM_NTYPES) {
3130 dev_err(bus->card->dev, "Invalid PCM type %d\n", type);
3134 for (i = 0; audio_idx[type][i] >= 0; i++) {
3135 #ifndef CONFIG_SND_DYNAMIC_MINORS
3136 if (audio_idx[type][i] >= 8)
3139 if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits))
3140 return audio_idx[type][i];
3143 #ifdef CONFIG_SND_DYNAMIC_MINORS
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))
3151 dev_warn(bus->card->dev, "Too many %s devices\n",
3152 snd_hda_pcm_type_name[type]);
3153 #ifndef CONFIG_SND_DYNAMIC_MINORS
3154 dev_warn(bus->card->dev,
3155 "Consider building the kernel with CONFIG_SND_DYNAMIC_MINORS=y\n");
3160 /* call build_pcms ops of the given codec and set up the default parameters */
3161 int snd_hda_codec_parse_pcms(struct hda_codec *codec)
3163 struct hda_pcm *cpcm;
3166 if (!list_empty(&codec->pcm_list_head))
3167 return 0; /* already parsed */
3169 if (!codec->patch_ops.build_pcms)
3172 err = codec->patch_ops.build_pcms(codec);
3174 codec_err(codec, "cannot build PCMs for #%d (error %d)\n",
3175 codec->core.addr, err);
3179 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3182 for (stream = 0; stream < 2; stream++) {
3183 struct hda_pcm_stream *info = &cpcm->stream[stream];
3185 if (!info->substreams)
3187 err = set_pcm_default_values(codec, info);
3190 "fail to setup default for PCM %s\n",
3200 /* assign all PCMs of the given codec */
3201 int snd_hda_codec_build_pcms(struct hda_codec *codec)
3203 struct hda_bus *bus = codec->bus;
3204 struct hda_pcm *cpcm;
3207 err = snd_hda_codec_parse_pcms(codec);
3211 /* attach a new PCM streams */
3212 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3214 continue; /* already attached */
3215 if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
3216 continue; /* no substreams assigned */
3218 dev = get_empty_pcm_device(bus, cpcm->pcm_type);
3220 cpcm->device = SNDRV_PCM_INVALID_DEVICE;
3221 continue; /* no fatal error */
3224 err = snd_hda_attach_pcm_stream(bus, codec, cpcm);
3227 "cannot attach PCM stream %d for codec #%d\n",
3228 dev, codec->core.addr);
3229 continue; /* no fatal error */
3237 * snd_hda_add_new_ctls - create controls from the array
3238 * @codec: the HDA codec
3239 * @knew: the array of struct snd_kcontrol_new
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.
3244 * Returns 0 if successful, or a negative error code.
3246 int snd_hda_add_new_ctls(struct hda_codec *codec,
3247 const struct snd_kcontrol_new *knew)
3251 for (; knew->name; knew++) {
3252 struct snd_kcontrol *kctl;
3253 int addr = 0, idx = 0;
3254 if (knew->iface == -1) /* skip this codec private value */
3257 kctl = snd_ctl_new1(knew, codec);
3261 kctl->id.device = addr;
3263 kctl->id.index = idx;
3264 err = snd_hda_ctl_add(codec, 0, kctl);
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
3271 if (!addr && codec->core.addr)
3272 addr = codec->core.addr;
3273 else if (!idx && !knew->index) {
3274 idx = find_empty_mixer_ctl_idx(codec,
3284 EXPORT_SYMBOL_GPL(snd_hda_add_new_ctls);
3287 static void codec_set_power_save(struct hda_codec *codec, int delay)
3289 struct device *dev = hda_codec_dev(codec);
3291 if (delay == 0 && codec->auto_runtime_pm)
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);
3301 pm_runtime_dont_use_autosuspend(dev);
3302 pm_runtime_forbid(dev);
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
3311 * Synchronize the runtime PM autosuspend state from the power_save option.
3313 void snd_hda_set_power_save(struct hda_bus *bus, int delay)
3315 struct hda_codec *c;
3317 list_for_each_codec(c, bus)
3318 codec_set_power_save(c, delay);
3320 EXPORT_SYMBOL_GPL(snd_hda_set_power_save);
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
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.
3332 * This function is supposed to be set or called from the check_power_status
3335 int snd_hda_check_amp_list_power(struct hda_codec *codec,
3336 struct hda_loopback_check *check,
3339 const struct hda_amp_list *p;
3342 if (!check->amplist)
3344 for (p = check->amplist; p->nid; p++) {
3349 return 0; /* nothing changed */
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,
3355 if (!(v & HDA_AMP_MUTE) && v > 0) {
3356 if (!check->power_on) {
3357 check->power_on = 1;
3358 snd_hda_power_up_pm(codec);
3364 if (check->power_on) {
3365 check->power_on = 0;
3366 snd_hda_power_down_pm(codec);
3370 EXPORT_SYMBOL_GPL(snd_hda_check_amp_list_power);
3378 * snd_hda_input_mux_info_info - Info callback helper for the input-mux enum
3379 * @imux: imux helper object
3380 * @uinfo: pointer to get/store the data
3382 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
3383 struct snd_ctl_elem_info *uinfo)
3387 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
3389 uinfo->value.enumerated.items = imux->num_items;
3390 if (!imux->num_items)
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);
3398 EXPORT_SYMBOL_GPL(snd_hda_input_mux_info);
3401 * snd_hda_input_mux_info_put - Put callback helper for the input-mux enum
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
3408 int snd_hda_input_mux_put(struct hda_codec *codec,
3409 const struct hda_input_mux *imux,
3410 struct snd_ctl_elem_value *ucontrol,
3412 unsigned int *cur_val)
3416 if (!imux->num_items)
3418 idx = ucontrol->value.enumerated.item[0];
3419 if (idx >= imux->num_items)
3420 idx = imux->num_items - 1;
3421 if (*cur_val == idx)
3423 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
3424 imux->items[idx].index);
3428 EXPORT_SYMBOL_GPL(snd_hda_input_mux_put);
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
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
3441 int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
3442 struct snd_ctl_elem_info *uinfo,
3443 int num_items, const char * const *texts)
3445 static const char * const texts_default[] = {
3446 "Disabled", "Enabled"
3449 if (!texts || !num_items) {
3451 texts = texts_default;
3454 return snd_ctl_enum_info(uinfo, 1, num_items, texts);
3456 EXPORT_SYMBOL_GPL(snd_hda_enum_helper_info);
3459 * Multi-channel / digital-out PCM helper functions
3462 /* setup SPDIF output stream */
3463 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
3464 unsigned int stream_tag, unsigned int format)
3466 struct hda_spdif_out *spdif;
3467 unsigned int curr_fmt;
3470 spdif = snd_hda_spdif_out_of_nid(codec, nid);
3471 /* Add sanity check to pass klockwork check.
3472 * This should never happen.
3474 if (WARN_ON(spdif == NULL))
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) &&
3483 /* turn off SPDIF if needed; otherwise the IEC958 bits won't be
3486 set_dig_out_convert(codec, nid,
3487 spdif->ctls & ~AC_DIG1_ENABLE & 0xff,
3489 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
3490 if (codec->slave_dig_outs) {
3492 for (d = codec->slave_dig_outs; *d; d++)
3493 snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
3496 /* turn on again (if needed) */
3498 set_dig_out_convert(codec, nid,
3499 spdif->ctls & 0xff, -1);
3502 static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
3504 snd_hda_codec_cleanup_stream(codec, nid);
3505 if (codec->slave_dig_outs) {
3507 for (d = codec->slave_dig_outs; *d; d++)
3508 snd_hda_codec_cleanup_stream(codec, *d);
3513 * snd_hda_multi_out_dig_open - open the digital out in the exclusive mode
3514 * @codec: the HDA codec
3515 * @mout: hda_multi_out object
3517 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
3518 struct hda_multi_out *mout)
3520 mutex_lock(&codec->spdif_mutex);
3521 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
3522 /* already opened as analog dup; reset it once */
3523 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3524 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
3525 mutex_unlock(&codec->spdif_mutex);
3528 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_open);
3531 * snd_hda_multi_out_dig_prepare - prepare the digital out stream
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
3538 int 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)
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);
3549 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_prepare);
3552 * snd_hda_multi_out_dig_cleanup - clean-up the digital out stream
3553 * @codec: the HDA codec
3554 * @mout: hda_multi_out object
3556 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
3557 struct hda_multi_out *mout)
3559 mutex_lock(&codec->spdif_mutex);
3560 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3561 mutex_unlock(&codec->spdif_mutex);
3564 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_cleanup);
3567 * snd_hda_multi_out_dig_close - release the digital out stream
3568 * @codec: the HDA codec
3569 * @mout: hda_multi_out object
3571 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
3572 struct hda_multi_out *mout)
3574 mutex_lock(&codec->spdif_mutex);
3575 mout->dig_out_used = 0;
3576 mutex_unlock(&codec->spdif_mutex);
3579 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_close);
3582 * snd_hda_multi_out_analog_open - open analog outputs
3583 * @codec: the HDA codec
3584 * @mout: hda_multi_out object
3585 * @substream: PCM substream to assign
3586 * @hinfo: PCM information to assign
3588 * Open analog outputs and set up the hw-constraints.
3589 * If the digital outputs can be opened as slave, open the digital
3592 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
3593 struct hda_multi_out *mout,
3594 struct snd_pcm_substream *substream,
3595 struct hda_pcm_stream *hinfo)
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;
3605 runtime->hw.rates = mout->analog_rates;
3606 runtime->hw.formats = mout->analog_formats;
3607 hinfo->maxbps = mout->analog_maxbps;
3609 if (!mout->spdif_rates) {
3610 snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
3612 &mout->spdif_formats,
3613 &mout->spdif_maxbps);
3615 mutex_lock(&codec->spdif_mutex);
3616 if (mout->share_spdif) {
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;
3624 mout->share_spdif = 0;
3625 /* FIXME: need notify? */
3628 mutex_unlock(&codec->spdif_mutex);
3630 return snd_pcm_hw_constraint_step(substream->runtime, 0,
3631 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
3633 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_open);
3636 * snd_hda_multi_out_analog_prepare - Preapre the analog outputs.
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
3643 * Set up the i/o for analog out.
3644 * When the digital out is available, copy the front out to digital out, too.
3646 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
3647 struct hda_multi_out *mout,
3648 unsigned int stream_tag,
3649 unsigned int format,
3650 struct snd_pcm_substream *substream)
3652 const hda_nid_t *nids = mout->dac_nids;
3653 int chs = substream->runtime->channels;
3654 struct hda_spdif_out *spdif;
3657 mutex_lock(&codec->spdif_mutex);
3658 spdif = snd_hda_spdif_out_of_nid(codec, mout->dig_out_nid);
3659 if (mout->dig_out_nid && mout->share_spdif &&
3660 mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
3661 if (chs == 2 && spdif != NULL &&
3662 snd_hda_is_supported_format(codec, mout->dig_out_nid,
3664 !(spdif->status & IEC958_AES0_NONAUDIO)) {
3665 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
3666 setup_dig_out_stream(codec, mout->dig_out_nid,
3667 stream_tag, format);
3669 mout->dig_out_used = 0;
3670 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3673 mutex_unlock(&codec->spdif_mutex);
3676 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
3678 if (!mout->no_share_stream &&
3679 mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
3680 /* headphone out will just decode front left/right (stereo) */
3681 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
3683 /* extra outputs copied from front */
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);
3691 for (i = 1; i < mout->num_dacs; i++) {
3692 if (chs >= (i + 1) * 2) /* independent out */
3693 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3695 else if (!mout->no_share_stream) /* copy front */
3696 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3700 /* extra surrounds */
3701 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) {
3703 if (!mout->extra_out_nid[i])
3705 if (chs >= (i + 1) * 2)
3707 else if (!mout->no_share_stream)
3709 snd_hda_codec_setup_stream(codec, mout->extra_out_nid[i],
3710 stream_tag, ch, format);
3715 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_prepare);
3718 * snd_hda_multi_out_analog_cleanup - clean up the setting for analog out
3719 * @codec: the HDA codec
3720 * @mout: hda_multi_out object
3722 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
3723 struct hda_multi_out *mout)
3725 const hda_nid_t *nids = mout->dac_nids;
3728 for (i = 0; i < mout->num_dacs; i++)
3729 snd_hda_codec_cleanup_stream(codec, nids[i]);
3731 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
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]);
3736 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
3737 if (mout->extra_out_nid[i])
3738 snd_hda_codec_cleanup_stream(codec,
3739 mout->extra_out_nid[i]);
3740 mutex_lock(&codec->spdif_mutex);
3741 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
3742 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3743 mout->dig_out_used = 0;
3745 mutex_unlock(&codec->spdif_mutex);
3748 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_cleanup);
3751 * snd_hda_get_default_vref - Get the default (mic) VREF pin bits
3752 * @codec: the HDA codec
3753 * @pin: referred pin NID
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.
3758 unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin)
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;
3777 EXPORT_SYMBOL_GPL(snd_hda_get_default_vref);
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
3785 unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
3786 hda_nid_t pin, unsigned int val)
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 },
3798 cap = snd_hda_query_pin_caps(codec, pin);
3800 return val; /* don't know what to do... */
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;
3809 if (val & AC_PINCTL_IN_EN) {
3810 if (!(cap & AC_PINCAP_IN))
3811 val &= ~(AC_PINCTL_IN_EN | AC_PINCTL_VREFEN);
3813 unsigned int vcap, vref;
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;
3823 vref = cap_lists[i + 1][0];
3826 val &= ~AC_PINCTL_VREFEN;
3833 EXPORT_SYMBOL_GPL(snd_hda_correct_pin_ctl);
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
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.
3848 int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
3849 unsigned int val, bool cached)
3851 val = snd_hda_correct_pin_ctl(codec, pin, val);
3852 snd_hda_codec_set_pin_target(codec, pin, val);
3854 return snd_hda_codec_update_cache(codec, pin, 0,
3855 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3857 return snd_hda_codec_write(codec, pin, 0,
3858 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3860 EXPORT_SYMBOL_GPL(_snd_hda_set_pin_ctl);
3863 * snd_hda_add_imux_item - Add an item to input_mux
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
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.
3874 int snd_hda_add_imux_item(struct hda_codec *codec,
3875 struct hda_input_mux *imux, const char *label,
3876 int index, int *type_idx)
3878 int i, label_idx = 0;
3879 if (imux->num_items >= HDA_MAX_NUM_INPUTS) {
3880 codec_err(codec, "hda_codec: Too many imux items!\n");
3883 for (i = 0; i < imux->num_items; i++) {
3884 if (!strncmp(label, imux->items[i].label, strlen(label)))
3888 *type_idx = label_idx;
3890 snprintf(imux->items[imux->num_items].label,
3891 sizeof(imux->items[imux->num_items].label),
3892 "%s %d", label, label_idx);
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;
3900 EXPORT_SYMBOL_GPL(snd_hda_add_imux_item);
3903 * snd_hda_bus_reset_codecs - Reset the bus
3904 * @bus: HD-audio bus
3906 void snd_hda_bus_reset_codecs(struct hda_bus *bus)
3908 struct hda_codec *codec;
3910 list_for_each_codec(codec, bus) {
3911 /* FIXME: maybe a better way needed for forced reset */
3912 cancel_delayed_work_sync(&codec->jackpoll_work);
3914 if (hda_codec_is_power_on(codec)) {
3915 hda_call_codec_suspend(codec);
3916 hda_call_codec_resume(codec);
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
3928 * used by hda_proc.c and hda_eld.c
3930 void snd_print_pcm_bits(int pcm, char *buf, int buflen)
3932 static unsigned int bits[] = { 8, 16, 20, 24, 32 };
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]);
3939 buf[j] = '\0'; /* necessary when j == 0 */
3941 EXPORT_SYMBOL_GPL(snd_print_pcm_bits);
3943 MODULE_DESCRIPTION("HDA codec core");
3944 MODULE_LICENSE("GPL");