1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Universal Interface for Intel High Definition Audio Codec
5 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
8 #include <linux/init.h>
9 #include <linux/delay.h>
10 #include <linux/slab.h>
11 #include <linux/mutex.h>
12 #include <linux/module.h>
14 #include <linux/pm_runtime.h>
15 #include <sound/core.h>
16 #include <sound/hda_codec.h>
17 #include <sound/asoundef.h>
18 #include <sound/tlv.h>
19 #include <sound/initval.h>
20 #include <sound/jack.h>
21 #include "hda_local.h"
24 #include <sound/hda_hwdep.h>
25 #include <sound/hda_component.h>
27 #define codec_in_pm(codec) snd_hdac_is_in_pm(&codec->core)
28 #define hda_codec_is_power_on(codec) snd_hdac_is_power_on(&codec->core)
29 #define codec_has_epss(codec) \
30 ((codec)->core.power_caps & AC_PWRST_EPSS)
31 #define codec_has_clkstop(codec) \
32 ((codec)->core.power_caps & AC_PWRST_CLKSTOP)
35 * Send and receive a verb - passed to exec_verb override for hdac_device
37 static int codec_exec_verb(struct hdac_device *dev, unsigned int cmd,
38 unsigned int flags, unsigned int *res)
40 struct hda_codec *codec = container_of(dev, struct hda_codec, core);
41 struct hda_bus *bus = codec->bus;
48 snd_hda_power_up_pm(codec);
49 mutex_lock(&bus->core.cmd_mutex);
50 if (flags & HDA_RW_NO_RESPONSE_FALLBACK)
51 bus->no_response_fallback = 1;
52 err = snd_hdac_bus_exec_verb_unlocked(&bus->core, codec->core.addr,
54 bus->no_response_fallback = 0;
55 mutex_unlock(&bus->core.cmd_mutex);
56 snd_hda_power_down_pm(codec);
57 if (!codec_in_pm(codec) && res && err == -EAGAIN) {
58 if (bus->response_reset) {
60 "resetting BUS due to fatal communication error\n");
61 snd_hda_bus_reset(bus);
65 /* clear reset-flag when the communication gets recovered */
66 if (!err || codec_in_pm(codec))
67 bus->response_reset = 0;
72 * snd_hda_sequence_write - sequence writes
73 * @codec: the HDA codec
74 * @seq: VERB array to send
76 * Send the commands sequentially from the given array.
77 * The array must be terminated with NID=0.
79 void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
81 for (; seq->nid; seq++)
82 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
84 EXPORT_SYMBOL_GPL(snd_hda_sequence_write);
86 /* connection list element */
87 struct hda_conn_list {
88 struct list_head list;
94 /* look up the cached results */
95 static struct hda_conn_list *
96 lookup_conn_list(struct hda_codec *codec, hda_nid_t nid)
98 struct hda_conn_list *p;
99 list_for_each_entry(p, &codec->conn_list, list) {
106 static int add_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
107 const hda_nid_t *list)
109 struct hda_conn_list *p;
111 p = kmalloc(struct_size(p, conns, len), GFP_KERNEL);
116 memcpy(p->conns, list, len * sizeof(hda_nid_t));
117 list_add(&p->list, &codec->conn_list);
121 static void remove_conn_list(struct hda_codec *codec)
123 while (!list_empty(&codec->conn_list)) {
124 struct hda_conn_list *p;
125 p = list_first_entry(&codec->conn_list, typeof(*p), list);
131 /* read the connection and add to the cache */
132 static int read_and_add_raw_conns(struct hda_codec *codec, hda_nid_t nid)
135 hda_nid_t *result = list;
138 len = snd_hda_get_raw_connections(codec, nid, list, ARRAY_SIZE(list));
139 if (len == -ENOSPC) {
140 len = snd_hda_get_num_raw_conns(codec, nid);
141 result = kmalloc_array(len, sizeof(hda_nid_t), GFP_KERNEL);
144 len = snd_hda_get_raw_connections(codec, nid, result, len);
147 len = snd_hda_override_conn_list(codec, nid, len, result);
154 * snd_hda_get_conn_list - get connection list
155 * @codec: the HDA codec
157 * @listp: the pointer to store NID list
159 * Parses the connection list of the given widget and stores the pointer
160 * to the list of NIDs.
162 * Returns the number of connections, or a negative error code.
164 * Note that the returned pointer isn't protected against the list
165 * modification. If snd_hda_override_conn_list() might be called
166 * concurrently, protect with a mutex appropriately.
168 int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
169 const hda_nid_t **listp)
175 const struct hda_conn_list *p;
177 /* if the connection-list is already cached, read it */
178 p = lookup_conn_list(codec, nid);
184 if (snd_BUG_ON(added))
187 err = read_and_add_raw_conns(codec, nid);
193 EXPORT_SYMBOL_GPL(snd_hda_get_conn_list);
196 * snd_hda_get_connections - copy connection list
197 * @codec: the HDA codec
199 * @conn_list: connection list array; when NULL, checks only the size
200 * @max_conns: max. number of connections to store
202 * Parses the connection list of the given widget and stores the list
205 * Returns the number of connections, or a negative error code.
207 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
208 hda_nid_t *conn_list, int max_conns)
210 const hda_nid_t *list;
211 int len = snd_hda_get_conn_list(codec, nid, &list);
213 if (len > 0 && conn_list) {
214 if (len > max_conns) {
215 codec_err(codec, "Too many connections %d for NID 0x%x\n",
219 memcpy(conn_list, list, len * sizeof(hda_nid_t));
224 EXPORT_SYMBOL_GPL(snd_hda_get_connections);
227 * snd_hda_override_conn_list - add/modify the connection-list to cache
228 * @codec: the HDA codec
230 * @len: number of connection list entries
231 * @list: the list of connection entries
233 * Add or modify the given connection-list to the cache. If the corresponding
234 * cache already exists, invalidate it and append a new one.
236 * Returns zero or a negative error code.
238 int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
239 const hda_nid_t *list)
241 struct hda_conn_list *p;
243 p = lookup_conn_list(codec, nid);
249 return add_conn_list(codec, nid, len, list);
251 EXPORT_SYMBOL_GPL(snd_hda_override_conn_list);
254 * snd_hda_get_conn_index - get the connection index of the given NID
255 * @codec: the HDA codec
256 * @mux: NID containing the list
257 * @nid: NID to select
258 * @recursive: 1 when searching NID recursively, otherwise 0
260 * Parses the connection list of the widget @mux and checks whether the
261 * widget @nid is present. If it is, return the connection index.
262 * Otherwise it returns -1.
264 int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
265 hda_nid_t nid, int recursive)
267 const hda_nid_t *conn;
270 nums = snd_hda_get_conn_list(codec, mux, &conn);
271 for (i = 0; i < nums; i++)
276 if (recursive > 10) {
277 codec_dbg(codec, "too deep connection for 0x%x\n", nid);
281 for (i = 0; i < nums; i++) {
282 unsigned int type = get_wcaps_type(get_wcaps(codec, conn[i]));
283 if (type == AC_WID_PIN || type == AC_WID_AUD_OUT)
285 if (snd_hda_get_conn_index(codec, conn[i], nid, recursive) >= 0)
290 EXPORT_SYMBOL_GPL(snd_hda_get_conn_index);
293 * snd_hda_get_num_devices - get DEVLIST_LEN parameter of the given widget
294 * @codec: the HDA codec
295 * @nid: NID of the pin to parse
297 * Get the device entry number on the given widget. This is a feature of
298 * DP MST audio. Each pin can have several device entries in it.
300 unsigned int snd_hda_get_num_devices(struct hda_codec *codec, hda_nid_t nid)
302 unsigned int wcaps = get_wcaps(codec, nid);
305 if (!codec->dp_mst || !(wcaps & AC_WCAP_DIGITAL) ||
306 get_wcaps_type(wcaps) != AC_WID_PIN)
309 parm = snd_hdac_read_parm_uncached(&codec->core, nid, AC_PAR_DEVLIST_LEN);
312 return parm & AC_DEV_LIST_LEN_MASK;
314 EXPORT_SYMBOL_GPL(snd_hda_get_num_devices);
317 * snd_hda_get_devices - copy device list without cache
318 * @codec: the HDA codec
319 * @nid: NID of the pin to parse
320 * @dev_list: device list array
321 * @max_devices: max. number of devices to store
323 * Copy the device list. This info is dynamic and so not cached.
324 * Currently called only from hda_proc.c, so not exported.
326 int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid,
327 u8 *dev_list, int max_devices)
330 int i, dev_len, devices;
332 parm = snd_hda_get_num_devices(codec, nid);
333 if (!parm) /* not multi-stream capable */
337 dev_len = dev_len < max_devices ? dev_len : max_devices;
340 while (devices < dev_len) {
341 if (snd_hdac_read(&codec->core, nid,
342 AC_VERB_GET_DEVICE_LIST, devices, &parm))
345 for (i = 0; i < 8; i++) {
346 dev_list[devices] = (u8)parm;
349 if (devices >= dev_len)
357 * snd_hda_get_dev_select - get device entry select on the pin
358 * @codec: the HDA codec
359 * @nid: NID of the pin to get device entry select
361 * Get the devcie entry select on the pin. Return the device entry
362 * id selected on the pin. Return 0 means the first device entry
363 * is selected or MST is not supported.
365 int snd_hda_get_dev_select(struct hda_codec *codec, hda_nid_t nid)
367 /* not support dp_mst will always return 0, using first dev_entry */
371 return snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DEVICE_SEL, 0);
373 EXPORT_SYMBOL_GPL(snd_hda_get_dev_select);
376 * snd_hda_set_dev_select - set device entry select on the pin
377 * @codec: the HDA codec
378 * @nid: NID of the pin to set device entry select
379 * @dev_id: device entry id to be set
381 * Set the device entry select on the pin nid.
383 int snd_hda_set_dev_select(struct hda_codec *codec, hda_nid_t nid, int dev_id)
385 int ret, num_devices;
387 /* not support dp_mst will always return 0, using first dev_entry */
391 /* AC_PAR_DEVLIST_LEN is 0 based. */
392 num_devices = snd_hda_get_num_devices(codec, nid) + 1;
393 /* If Device List Length is 0 (num_device = 1),
394 * the pin is not multi stream capable.
395 * Do nothing in this case.
397 if (num_devices == 1)
400 /* Behavior of setting index being equal to or greater than
401 * Device List Length is not predictable
403 if (num_devices <= dev_id)
406 ret = snd_hda_codec_write(codec, nid, 0,
407 AC_VERB_SET_DEVICE_SEL, dev_id);
411 EXPORT_SYMBOL_GPL(snd_hda_set_dev_select);
414 * read widget caps for each widget and store in cache
416 static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
421 codec->wcaps = kmalloc_array(codec->core.num_nodes, 4, GFP_KERNEL);
424 nid = codec->core.start_nid;
425 for (i = 0; i < codec->core.num_nodes; i++, nid++)
426 codec->wcaps[i] = snd_hdac_read_parm_uncached(&codec->core,
427 nid, AC_PAR_AUDIO_WIDGET_CAP);
431 /* read all pin default configurations and save codec->init_pins */
432 static int read_pin_defaults(struct hda_codec *codec)
436 for_each_hda_codec_node(nid, codec) {
437 struct hda_pincfg *pin;
438 unsigned int wcaps = get_wcaps(codec, nid);
439 unsigned int wid_type = get_wcaps_type(wcaps);
440 if (wid_type != AC_WID_PIN)
442 pin = snd_array_new(&codec->init_pins);
446 pin->cfg = snd_hda_codec_read(codec, nid, 0,
447 AC_VERB_GET_CONFIG_DEFAULT, 0);
449 * all device entries are the same widget control so far
450 * fixme: if any codec is different, need fix here
452 pin->ctrl = snd_hda_codec_read(codec, nid, 0,
453 AC_VERB_GET_PIN_WIDGET_CONTROL,
459 /* look up the given pin config list and return the item matching with NID */
460 static struct hda_pincfg *look_up_pincfg(struct hda_codec *codec,
461 struct snd_array *array,
464 struct hda_pincfg *pin;
467 snd_array_for_each(array, i, pin) {
474 /* set the current pin config value for the given NID.
475 * the value is cached, and read via snd_hda_codec_get_pincfg()
477 int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
478 hda_nid_t nid, unsigned int cfg)
480 struct hda_pincfg *pin;
482 /* the check below may be invalid when pins are added by a fixup
483 * dynamically (e.g. via snd_hda_codec_update_widgets()), so disabled
487 if (get_wcaps_type(get_wcaps(codec, nid)) != AC_WID_PIN)
491 pin = look_up_pincfg(codec, list, nid);
493 pin = snd_array_new(list);
503 * snd_hda_codec_set_pincfg - Override a pin default configuration
504 * @codec: the HDA codec
505 * @nid: NID to set the pin config
506 * @cfg: the pin default config value
508 * Override a pin default configuration value in the cache.
509 * This value can be read by snd_hda_codec_get_pincfg() in a higher
510 * priority than the real hardware value.
512 int snd_hda_codec_set_pincfg(struct hda_codec *codec,
513 hda_nid_t nid, unsigned int cfg)
515 return snd_hda_add_pincfg(codec, &codec->driver_pins, nid, cfg);
517 EXPORT_SYMBOL_GPL(snd_hda_codec_set_pincfg);
520 * snd_hda_codec_get_pincfg - Obtain a pin-default configuration
521 * @codec: the HDA codec
522 * @nid: NID to get the pin config
524 * Get the current pin config value of the given pin NID.
525 * If the pincfg value is cached or overridden via sysfs or driver,
526 * returns the cached value.
528 unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid)
530 struct hda_pincfg *pin;
532 #ifdef CONFIG_SND_HDA_RECONFIG
534 unsigned int cfg = 0;
535 mutex_lock(&codec->user_mutex);
536 pin = look_up_pincfg(codec, &codec->user_pins, nid);
539 mutex_unlock(&codec->user_mutex);
544 pin = look_up_pincfg(codec, &codec->driver_pins, nid);
547 pin = look_up_pincfg(codec, &codec->init_pins, nid);
552 EXPORT_SYMBOL_GPL(snd_hda_codec_get_pincfg);
555 * snd_hda_codec_set_pin_target - remember the current pinctl target value
556 * @codec: the HDA codec
558 * @val: assigned pinctl value
560 * This function stores the given value to a pinctl target value in the
561 * pincfg table. This isn't always as same as the actually written value
562 * but can be referred at any time via snd_hda_codec_get_pin_target().
564 int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid,
567 struct hda_pincfg *pin;
569 pin = look_up_pincfg(codec, &codec->init_pins, nid);
575 EXPORT_SYMBOL_GPL(snd_hda_codec_set_pin_target);
578 * snd_hda_codec_get_pin_target - return the current pinctl target value
579 * @codec: the HDA codec
582 int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid)
584 struct hda_pincfg *pin;
586 pin = look_up_pincfg(codec, &codec->init_pins, nid);
591 EXPORT_SYMBOL_GPL(snd_hda_codec_get_pin_target);
594 * snd_hda_shutup_pins - Shut up all pins
595 * @codec: the HDA codec
597 * Clear all pin controls to shup up before suspend for avoiding click noise.
598 * The controls aren't cached so that they can be resumed properly.
600 void snd_hda_shutup_pins(struct hda_codec *codec)
602 const struct hda_pincfg *pin;
605 /* don't shut up pins when unloading the driver; otherwise it breaks
606 * the default pin setup at the next load of the driver
608 if (codec->bus->shutdown)
610 snd_array_for_each(&codec->init_pins, i, pin) {
611 /* use read here for syncing after issuing each verb */
612 snd_hda_codec_read(codec, pin->nid, 0,
613 AC_VERB_SET_PIN_WIDGET_CONTROL, 0);
615 codec->pins_shutup = 1;
617 EXPORT_SYMBOL_GPL(snd_hda_shutup_pins);
620 /* Restore the pin controls cleared previously via snd_hda_shutup_pins() */
621 static void restore_shutup_pins(struct hda_codec *codec)
623 const struct hda_pincfg *pin;
626 if (!codec->pins_shutup)
628 if (codec->bus->shutdown)
630 snd_array_for_each(&codec->init_pins, i, pin) {
631 snd_hda_codec_write(codec, pin->nid, 0,
632 AC_VERB_SET_PIN_WIDGET_CONTROL,
635 codec->pins_shutup = 0;
639 static void hda_jackpoll_work(struct work_struct *work)
641 struct hda_codec *codec =
642 container_of(work, struct hda_codec, jackpoll_work.work);
644 /* for non-polling trigger: we need nothing if already powered on */
645 if (!codec->jackpoll_interval && snd_hdac_is_power_on(&codec->core))
648 /* the power-up/down sequence triggers the runtime resume */
649 snd_hda_power_up_pm(codec);
650 /* update jacks manually if polling is required, too */
651 if (codec->jackpoll_interval) {
652 snd_hda_jack_set_dirty_all(codec);
653 snd_hda_jack_poll_all(codec);
655 snd_hda_power_down_pm(codec);
657 if (!codec->jackpoll_interval)
660 schedule_delayed_work(&codec->jackpoll_work,
661 codec->jackpoll_interval);
664 /* release all pincfg lists */
665 static void free_init_pincfgs(struct hda_codec *codec)
667 snd_array_free(&codec->driver_pins);
668 #ifdef CONFIG_SND_HDA_RECONFIG
669 snd_array_free(&codec->user_pins);
671 snd_array_free(&codec->init_pins);
675 * audio-converter setup caches
677 struct hda_cvt_setup {
682 unsigned char active; /* cvt is currently used */
683 unsigned char dirty; /* setups should be cleared */
686 /* get or create a cache entry for the given audio converter NID */
687 static struct hda_cvt_setup *
688 get_hda_cvt_setup(struct hda_codec *codec, hda_nid_t nid)
690 struct hda_cvt_setup *p;
693 snd_array_for_each(&codec->cvt_setups, i, p) {
697 p = snd_array_new(&codec->cvt_setups);
706 static void release_pcm(struct kref *kref)
708 struct hda_pcm *pcm = container_of(kref, struct hda_pcm, kref);
711 snd_device_free(pcm->codec->card, pcm->pcm);
712 clear_bit(pcm->device, pcm->codec->bus->pcm_dev_bits);
717 void snd_hda_codec_pcm_put(struct hda_pcm *pcm)
719 kref_put(&pcm->kref, release_pcm);
721 EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_put);
723 struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec,
724 const char *fmt, ...)
729 pcm = kzalloc(sizeof(*pcm), GFP_KERNEL);
734 kref_init(&pcm->kref);
736 pcm->name = kvasprintf(GFP_KERNEL, fmt, args);
743 list_add_tail(&pcm->list, &codec->pcm_list_head);
746 EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_new);
751 static void codec_release_pcms(struct hda_codec *codec)
753 struct hda_pcm *pcm, *n;
755 list_for_each_entry_safe(pcm, n, &codec->pcm_list_head, list) {
756 list_del_init(&pcm->list);
758 snd_device_disconnect(codec->card, pcm->pcm);
759 snd_hda_codec_pcm_put(pcm);
763 void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec)
765 if (codec->registered) {
766 /* pm_runtime_put() is called in snd_hdac_device_exit() */
767 pm_runtime_get_noresume(hda_codec_dev(codec));
768 pm_runtime_disable(hda_codec_dev(codec));
769 codec->registered = 0;
772 cancel_delayed_work_sync(&codec->jackpoll_work);
773 if (!codec->in_freeing)
774 snd_hda_ctls_clear(codec);
775 codec_release_pcms(codec);
776 snd_hda_detach_beep_device(codec);
777 memset(&codec->patch_ops, 0, sizeof(codec->patch_ops));
778 snd_hda_jack_tbl_clear(codec);
779 codec->proc_widget_hook = NULL;
782 /* free only driver_pins so that init_pins + user_pins are restored */
783 snd_array_free(&codec->driver_pins);
784 snd_array_free(&codec->cvt_setups);
785 snd_array_free(&codec->spdif_out);
786 snd_array_free(&codec->verbs);
787 codec->preset = NULL;
788 codec->follower_dig_outs = NULL;
789 codec->spdif_status_reset = 0;
790 snd_array_free(&codec->mixers);
791 snd_array_free(&codec->nids);
792 remove_conn_list(codec);
793 snd_hdac_regmap_exit(&codec->core);
795 EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup_for_unbind);
797 static unsigned int hda_set_power_state(struct hda_codec *codec,
798 unsigned int power_state);
800 /* enable/disable display power per codec */
801 static void codec_display_power(struct hda_codec *codec, bool enable)
803 if (codec->display_power_control)
804 snd_hdac_display_power(&codec->bus->core, codec->addr, enable);
807 /* also called from hda_bind.c */
808 void snd_hda_codec_register(struct hda_codec *codec)
810 if (codec->registered)
812 if (device_is_registered(hda_codec_dev(codec))) {
813 codec_display_power(codec, true);
814 pm_runtime_enable(hda_codec_dev(codec));
815 /* it was powered up in snd_hda_codec_new(), now all done */
816 snd_hda_power_down(codec);
817 codec->registered = 1;
821 static int snd_hda_codec_dev_register(struct snd_device *device)
823 snd_hda_codec_register(device->device_data);
827 static int snd_hda_codec_dev_free(struct snd_device *device)
829 struct hda_codec *codec = device->device_data;
831 codec->in_freeing = 1;
833 * snd_hda_codec_device_new() is used by legacy HDA and ASoC driver.
834 * We can't unregister ASoC device since it will be unregistered in
835 * snd_hdac_ext_bus_device_remove().
837 if (codec->core.type == HDA_DEV_LEGACY)
838 snd_hdac_device_unregister(&codec->core);
839 codec_display_power(codec, false);
842 * In the case of ASoC HD-audio bus, the device refcount is released in
843 * snd_hdac_ext_bus_device_remove() explicitly.
845 if (codec->core.type == HDA_DEV_LEGACY)
846 put_device(hda_codec_dev(codec));
851 static void snd_hda_codec_dev_release(struct device *dev)
853 struct hda_codec *codec = dev_to_hda_codec(dev);
855 free_init_pincfgs(codec);
856 snd_hdac_device_exit(&codec->core);
857 snd_hda_sysfs_clear(codec);
858 kfree(codec->modelname);
862 * In the case of ASoC HD-audio, hda_codec is device managed.
863 * It will be freed when the ASoC device is removed.
865 if (codec->core.type == HDA_DEV_LEGACY)
869 #define DEV_NAME_LEN 31
871 static int snd_hda_codec_device_init(struct hda_bus *bus, struct snd_card *card,
872 unsigned int codec_addr, struct hda_codec **codecp)
874 char name[DEV_NAME_LEN];
875 struct hda_codec *codec;
878 dev_dbg(card->dev, "%s: entry\n", __func__);
880 if (snd_BUG_ON(!bus))
882 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
885 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
889 sprintf(name, "hdaudioC%dD%d", card->number, codec_addr);
890 err = snd_hdac_device_init(&codec->core, &bus->core, name, codec_addr);
896 codec->core.type = HDA_DEV_LEGACY;
903 * snd_hda_codec_new - create a HDA codec
904 * @bus: the bus to assign
905 * @card: card for this codec
906 * @codec_addr: the codec address
907 * @codecp: the pointer to store the generated codec
909 * Returns 0 if successful, or a negative error code.
911 int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card,
912 unsigned int codec_addr, struct hda_codec **codecp)
916 ret = snd_hda_codec_device_init(bus, card, codec_addr, codecp);
920 return snd_hda_codec_device_new(bus, card, codec_addr, *codecp);
922 EXPORT_SYMBOL_GPL(snd_hda_codec_new);
924 int snd_hda_codec_device_new(struct hda_bus *bus, struct snd_card *card,
925 unsigned int codec_addr, struct hda_codec *codec)
930 static const struct snd_device_ops dev_ops = {
931 .dev_register = snd_hda_codec_dev_register,
932 .dev_free = snd_hda_codec_dev_free,
935 dev_dbg(card->dev, "%s: entry\n", __func__);
937 if (snd_BUG_ON(!bus))
939 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
942 codec->core.dev.release = snd_hda_codec_dev_release;
943 codec->core.exec_verb = codec_exec_verb;
947 codec->addr = codec_addr;
948 mutex_init(&codec->spdif_mutex);
949 mutex_init(&codec->control_mutex);
950 snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 32);
951 snd_array_init(&codec->nids, sizeof(struct hda_nid_item), 32);
952 snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16);
953 snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16);
954 snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8);
955 snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16);
956 snd_array_init(&codec->jacktbl, sizeof(struct hda_jack_tbl), 16);
957 snd_array_init(&codec->verbs, sizeof(struct hda_verb *), 8);
958 INIT_LIST_HEAD(&codec->conn_list);
959 INIT_LIST_HEAD(&codec->pcm_list_head);
961 INIT_DELAYED_WORK(&codec->jackpoll_work, hda_jackpoll_work);
962 codec->depop_delay = -1;
963 codec->fixup_id = HDA_FIXUP_ID_NOT_SET;
966 codec->power_jiffies = jiffies;
969 snd_hda_sysfs_init(codec);
971 if (codec->bus->modelname) {
972 codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL);
973 if (!codec->modelname) {
979 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
980 err = read_widget_caps(codec, fg);
983 err = read_pin_defaults(codec);
987 /* power-up all before initialization */
988 hda_set_power_state(codec, AC_PWRST_D0);
989 codec->core.dev.power.power_state = PMSG_ON;
991 snd_hda_codec_proc_new(codec);
993 snd_hda_create_hwdep(codec);
995 sprintf(component, "HDA:%08x,%08x,%08x", codec->core.vendor_id,
996 codec->core.subsystem_id, codec->core.revision_id);
997 snd_component_add(card, component);
999 err = snd_device_new(card, SNDRV_DEV_CODEC, codec, &dev_ops);
1006 put_device(hda_codec_dev(codec));
1009 EXPORT_SYMBOL_GPL(snd_hda_codec_device_new);
1012 * snd_hda_codec_update_widgets - Refresh widget caps and pin defaults
1013 * @codec: the HDA codec
1015 * Forcibly refresh the all widget caps and the init pin configurations of
1018 int snd_hda_codec_update_widgets(struct hda_codec *codec)
1023 err = snd_hdac_refresh_widgets(&codec->core);
1027 /* Assume the function group node does not change,
1028 * only the widget nodes may change.
1030 kfree(codec->wcaps);
1031 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
1032 err = read_widget_caps(codec, fg);
1036 snd_array_free(&codec->init_pins);
1037 err = read_pin_defaults(codec);
1041 EXPORT_SYMBOL_GPL(snd_hda_codec_update_widgets);
1043 /* update the stream-id if changed */
1044 static void update_pcm_stream_id(struct hda_codec *codec,
1045 struct hda_cvt_setup *p, hda_nid_t nid,
1046 u32 stream_tag, int channel_id)
1048 unsigned int oldval, newval;
1050 if (p->stream_tag != stream_tag || p->channel_id != channel_id) {
1051 oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
1052 newval = (stream_tag << 4) | channel_id;
1053 if (oldval != newval)
1054 snd_hda_codec_write(codec, nid, 0,
1055 AC_VERB_SET_CHANNEL_STREAMID,
1057 p->stream_tag = stream_tag;
1058 p->channel_id = channel_id;
1062 /* update the format-id if changed */
1063 static void update_pcm_format(struct hda_codec *codec, struct hda_cvt_setup *p,
1064 hda_nid_t nid, int format)
1066 unsigned int oldval;
1068 if (p->format_id != format) {
1069 oldval = snd_hda_codec_read(codec, nid, 0,
1070 AC_VERB_GET_STREAM_FORMAT, 0);
1071 if (oldval != format) {
1073 snd_hda_codec_write(codec, nid, 0,
1074 AC_VERB_SET_STREAM_FORMAT,
1077 p->format_id = format;
1082 * snd_hda_codec_setup_stream - set up the codec for streaming
1083 * @codec: the CODEC to set up
1084 * @nid: the NID to set up
1085 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
1086 * @channel_id: channel id to pass, zero based.
1087 * @format: stream format.
1089 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
1091 int channel_id, int format)
1093 struct hda_codec *c;
1094 struct hda_cvt_setup *p;
1102 "hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
1103 nid, stream_tag, channel_id, format);
1104 p = get_hda_cvt_setup(codec, nid);
1108 if (codec->patch_ops.stream_pm)
1109 codec->patch_ops.stream_pm(codec, nid, true);
1110 if (codec->pcm_format_first)
1111 update_pcm_format(codec, p, nid, format);
1112 update_pcm_stream_id(codec, p, nid, stream_tag, channel_id);
1113 if (!codec->pcm_format_first)
1114 update_pcm_format(codec, p, nid, format);
1119 /* make other inactive cvts with the same stream-tag dirty */
1120 type = get_wcaps_type(get_wcaps(codec, nid));
1121 list_for_each_codec(c, codec->bus) {
1122 snd_array_for_each(&c->cvt_setups, i, p) {
1123 if (!p->active && p->stream_tag == stream_tag &&
1124 get_wcaps_type(get_wcaps(c, p->nid)) == type)
1129 EXPORT_SYMBOL_GPL(snd_hda_codec_setup_stream);
1131 static void really_cleanup_stream(struct hda_codec *codec,
1132 struct hda_cvt_setup *q);
1135 * __snd_hda_codec_cleanup_stream - clean up the codec for closing
1136 * @codec: the CODEC to clean up
1137 * @nid: the NID to clean up
1138 * @do_now: really clean up the stream instead of clearing the active flag
1140 void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
1143 struct hda_cvt_setup *p;
1148 if (codec->no_sticky_stream)
1151 codec_dbg(codec, "hda_codec_cleanup_stream: NID=0x%x\n", nid);
1152 p = get_hda_cvt_setup(codec, nid);
1154 /* here we just clear the active flag when do_now isn't set;
1155 * actual clean-ups will be done later in
1156 * purify_inactive_streams() called from snd_hda_codec_prpapre()
1159 really_cleanup_stream(codec, p);
1164 EXPORT_SYMBOL_GPL(__snd_hda_codec_cleanup_stream);
1166 static void really_cleanup_stream(struct hda_codec *codec,
1167 struct hda_cvt_setup *q)
1169 hda_nid_t nid = q->nid;
1170 if (q->stream_tag || q->channel_id)
1171 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1173 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0
1175 memset(q, 0, sizeof(*q));
1177 if (codec->patch_ops.stream_pm)
1178 codec->patch_ops.stream_pm(codec, nid, false);
1181 /* clean up the all conflicting obsolete streams */
1182 static void purify_inactive_streams(struct hda_codec *codec)
1184 struct hda_codec *c;
1185 struct hda_cvt_setup *p;
1188 list_for_each_codec(c, codec->bus) {
1189 snd_array_for_each(&c->cvt_setups, i, p) {
1191 really_cleanup_stream(c, p);
1197 /* clean up all streams; called from suspend */
1198 static void hda_cleanup_all_streams(struct hda_codec *codec)
1200 struct hda_cvt_setup *p;
1203 snd_array_for_each(&codec->cvt_setups, i, p) {
1205 really_cleanup_stream(codec, p);
1211 * amp access functions
1215 * query_amp_caps - query AMP capabilities
1216 * @codec: the HD-auio codec
1217 * @nid: the NID to query
1218 * @direction: either #HDA_INPUT or #HDA_OUTPUT
1220 * Query AMP capabilities for the given widget and direction.
1221 * Returns the obtained capability bits.
1223 * When cap bits have been already read, this doesn't read again but
1224 * returns the cached value.
1226 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
1228 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
1229 nid = codec->core.afg;
1230 return snd_hda_param_read(codec, nid,
1231 direction == HDA_OUTPUT ?
1232 AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
1234 EXPORT_SYMBOL_GPL(query_amp_caps);
1237 * snd_hda_check_amp_caps - query AMP capabilities
1238 * @codec: the HD-audio codec
1239 * @nid: the NID to query
1240 * @dir: either #HDA_INPUT or #HDA_OUTPUT
1241 * @bits: bit mask to check the result
1243 * Check whether the widget has the given amp capability for the direction.
1245 bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
1246 int dir, unsigned int bits)
1250 if (get_wcaps(codec, nid) & (1 << (dir + 1)))
1251 if (query_amp_caps(codec, nid, dir) & bits)
1255 EXPORT_SYMBOL_GPL(snd_hda_check_amp_caps);
1258 * snd_hda_override_amp_caps - Override the AMP capabilities
1259 * @codec: the CODEC to clean up
1260 * @nid: the NID to clean up
1261 * @dir: either #HDA_INPUT or #HDA_OUTPUT
1262 * @caps: the capability bits to set
1264 * Override the cached AMP caps bits value by the given one.
1265 * This function is useful if the driver needs to adjust the AMP ranges,
1266 * e.g. limit to 0dB, etc.
1268 * Returns zero if successful or a negative error code.
1270 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
1275 snd_hda_override_wcaps(codec, nid,
1276 get_wcaps(codec, nid) | AC_WCAP_AMP_OVRD);
1277 parm = dir == HDA_OUTPUT ? AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP;
1278 return snd_hdac_override_parm(&codec->core, nid, parm, caps);
1280 EXPORT_SYMBOL_GPL(snd_hda_override_amp_caps);
1282 static unsigned int encode_amp(struct hda_codec *codec, hda_nid_t nid,
1283 int ch, int dir, int idx)
1285 unsigned int cmd = snd_hdac_regmap_encode_amp(nid, ch, dir, idx);
1287 /* enable fake mute if no h/w mute but min=mute */
1288 if ((query_amp_caps(codec, nid, dir) &
1289 (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) == AC_AMPCAP_MIN_MUTE)
1290 cmd |= AC_AMP_FAKE_MUTE;
1295 * snd_hda_codec_amp_update - update the AMP mono value
1296 * @codec: HD-audio codec
1297 * @nid: NID to read the AMP value
1298 * @ch: channel to update (0 or 1)
1299 * @dir: #HDA_INPUT or #HDA_OUTPUT
1300 * @idx: the index value (only for input direction)
1301 * @mask: bit mask to set
1302 * @val: the bits value to set
1304 * Update the AMP values for the given channel, direction and index.
1306 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid,
1307 int ch, int dir, int idx, int mask, int val)
1309 unsigned int cmd = encode_amp(codec, nid, ch, dir, idx);
1311 return snd_hdac_regmap_update_raw(&codec->core, cmd, mask, val);
1313 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_update);
1316 * snd_hda_codec_amp_stereo - update the AMP stereo values
1317 * @codec: HD-audio codec
1318 * @nid: NID to read the AMP value
1319 * @direction: #HDA_INPUT or #HDA_OUTPUT
1320 * @idx: the index value (only for input direction)
1321 * @mask: bit mask to set
1322 * @val: the bits value to set
1324 * Update the AMP values like snd_hda_codec_amp_update(), but for a
1325 * stereo widget with the same mask and value.
1327 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
1328 int direction, int idx, int mask, int val)
1332 if (snd_BUG_ON(mask & ~0xff))
1334 for (ch = 0; ch < 2; ch++)
1335 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
1339 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_stereo);
1342 * snd_hda_codec_amp_init - initialize the AMP value
1343 * @codec: the HDA codec
1344 * @nid: NID to read the AMP value
1345 * @ch: channel (left=0 or right=1)
1346 * @dir: #HDA_INPUT or #HDA_OUTPUT
1347 * @idx: the index value (only for input direction)
1348 * @mask: bit mask to set
1349 * @val: the bits value to set
1351 * Works like snd_hda_codec_amp_update() but it writes the value only at
1352 * the first access. If the amp was already initialized / updated beforehand,
1353 * this does nothing.
1355 int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
1356 int dir, int idx, int mask, int val)
1358 unsigned int cmd = encode_amp(codec, nid, ch, dir, idx);
1360 if (!codec->core.regmap)
1362 return snd_hdac_regmap_update_raw_once(&codec->core, cmd, mask, val);
1364 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init);
1367 * snd_hda_codec_amp_init_stereo - initialize the stereo AMP value
1368 * @codec: the HDA codec
1369 * @nid: NID to read the AMP value
1370 * @dir: #HDA_INPUT or #HDA_OUTPUT
1371 * @idx: the index value (only for input direction)
1372 * @mask: bit mask to set
1373 * @val: the bits value to set
1375 * Call snd_hda_codec_amp_init() for both stereo channels.
1377 int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
1378 int dir, int idx, int mask, int val)
1382 if (snd_BUG_ON(mask & ~0xff))
1384 for (ch = 0; ch < 2; ch++)
1385 ret |= snd_hda_codec_amp_init(codec, nid, ch, dir,
1389 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init_stereo);
1391 static u32 get_amp_max_value(struct hda_codec *codec, hda_nid_t nid, int dir,
1394 u32 caps = query_amp_caps(codec, nid, dir);
1396 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1403 * snd_hda_mixer_amp_volume_info - Info callback for a standard AMP mixer
1404 * @kcontrol: referred ctl element
1405 * @uinfo: pointer to get/store the data
1407 * The control element is supposed to have the private_value field
1408 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1410 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
1411 struct snd_ctl_elem_info *uinfo)
1413 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1414 u16 nid = get_amp_nid(kcontrol);
1415 u8 chs = get_amp_channels(kcontrol);
1416 int dir = get_amp_direction(kcontrol);
1417 unsigned int ofs = get_amp_offset(kcontrol);
1419 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1420 uinfo->count = chs == 3 ? 2 : 1;
1421 uinfo->value.integer.min = 0;
1422 uinfo->value.integer.max = get_amp_max_value(codec, nid, dir, ofs);
1423 if (!uinfo->value.integer.max) {
1425 "num_steps = 0 for NID=0x%x (ctl = %s)\n",
1426 nid, kcontrol->id.name);
1431 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_info);
1434 static inline unsigned int
1435 read_amp_value(struct hda_codec *codec, hda_nid_t nid,
1436 int ch, int dir, int idx, unsigned int ofs)
1439 val = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
1440 val &= HDA_AMP_VOLMASK;
1449 update_amp_value(struct hda_codec *codec, hda_nid_t nid,
1450 int ch, int dir, int idx, unsigned int ofs,
1453 unsigned int maxval;
1457 /* ofs = 0: raw max value */
1458 maxval = get_amp_max_value(codec, nid, dir, 0);
1461 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx,
1462 HDA_AMP_VOLMASK, val);
1466 * snd_hda_mixer_amp_volume_get - Get callback for a standard AMP mixer volume
1467 * @kcontrol: ctl element
1468 * @ucontrol: pointer to get/store the data
1470 * The control element is supposed to have the private_value field
1471 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1473 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
1474 struct snd_ctl_elem_value *ucontrol)
1476 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1477 hda_nid_t nid = get_amp_nid(kcontrol);
1478 int chs = get_amp_channels(kcontrol);
1479 int dir = get_amp_direction(kcontrol);
1480 int idx = get_amp_index(kcontrol);
1481 unsigned int ofs = get_amp_offset(kcontrol);
1482 long *valp = ucontrol->value.integer.value;
1485 *valp++ = read_amp_value(codec, nid, 0, dir, idx, ofs);
1487 *valp = read_amp_value(codec, nid, 1, dir, idx, ofs);
1490 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_get);
1493 * snd_hda_mixer_amp_volume_put - Put callback for a standard AMP mixer volume
1494 * @kcontrol: ctl element
1495 * @ucontrol: pointer to get/store the data
1497 * The control element is supposed to have the private_value field
1498 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1500 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1501 struct snd_ctl_elem_value *ucontrol)
1503 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1504 hda_nid_t nid = get_amp_nid(kcontrol);
1505 int chs = get_amp_channels(kcontrol);
1506 int dir = get_amp_direction(kcontrol);
1507 int idx = get_amp_index(kcontrol);
1508 unsigned int ofs = get_amp_offset(kcontrol);
1509 long *valp = ucontrol->value.integer.value;
1513 change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp);
1517 change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp);
1520 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_put);
1522 /* inquiry the amp caps and convert to TLV */
1523 static void get_ctl_amp_tlv(struct snd_kcontrol *kcontrol, unsigned int *tlv)
1525 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1526 hda_nid_t nid = get_amp_nid(kcontrol);
1527 int dir = get_amp_direction(kcontrol);
1528 unsigned int ofs = get_amp_offset(kcontrol);
1529 bool min_mute = get_amp_min_mute(kcontrol);
1530 u32 caps, val1, val2;
1532 caps = query_amp_caps(codec, nid, dir);
1533 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1534 val2 = (val2 + 1) * 25;
1535 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1537 val1 = ((int)val1) * ((int)val2);
1538 if (min_mute || (caps & AC_AMPCAP_MIN_MUTE))
1539 val2 |= TLV_DB_SCALE_MUTE;
1540 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1541 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1542 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = val1;
1543 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = val2;
1547 * snd_hda_mixer_amp_tlv - TLV callback for a standard AMP mixer volume
1548 * @kcontrol: ctl element
1549 * @op_flag: operation flag
1550 * @size: byte size of input TLV
1553 * The control element is supposed to have the private_value field
1554 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1556 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1557 unsigned int size, unsigned int __user *_tlv)
1559 unsigned int tlv[4];
1561 if (size < 4 * sizeof(unsigned int))
1563 get_ctl_amp_tlv(kcontrol, tlv);
1564 if (copy_to_user(_tlv, tlv, sizeof(tlv)))
1568 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_tlv);
1571 * snd_hda_set_vmaster_tlv - Set TLV for a virtual master control
1572 * @codec: HD-audio codec
1573 * @nid: NID of a reference widget
1574 * @dir: #HDA_INPUT or #HDA_OUTPUT
1575 * @tlv: TLV data to be stored, at least 4 elements
1577 * Set (static) TLV data for a virtual master volume using the AMP caps
1578 * obtained from the reference NID.
1579 * The volume range is recalculated as if the max volume is 0dB.
1581 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1587 caps = query_amp_caps(codec, nid, dir);
1588 nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1589 step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1590 step = (step + 1) * 25;
1591 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1592 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1593 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = -nums * step;
1594 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = step;
1596 EXPORT_SYMBOL_GPL(snd_hda_set_vmaster_tlv);
1598 /* find a mixer control element with the given name */
1599 static struct snd_kcontrol *
1600 find_mixer_ctl(struct hda_codec *codec, const char *name, int dev, int idx)
1602 struct snd_ctl_elem_id id;
1603 memset(&id, 0, sizeof(id));
1604 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1607 if (snd_BUG_ON(strlen(name) >= sizeof(id.name)))
1609 strcpy(id.name, name);
1610 return snd_ctl_find_id(codec->card, &id);
1614 * snd_hda_find_mixer_ctl - Find a mixer control element with the given name
1615 * @codec: HD-audio codec
1616 * @name: ctl id name string
1618 * Get the control element with the given id string and IFACE_MIXER.
1620 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1623 return find_mixer_ctl(codec, name, 0, 0);
1625 EXPORT_SYMBOL_GPL(snd_hda_find_mixer_ctl);
1627 static int find_empty_mixer_ctl_idx(struct hda_codec *codec, const char *name,
1631 /* 16 ctlrs should be large enough */
1632 for (i = 0, idx = start_idx; i < 16; i++, idx++) {
1633 if (!find_mixer_ctl(codec, name, 0, idx))
1640 * snd_hda_ctl_add - Add a control element and assign to the codec
1641 * @codec: HD-audio codec
1642 * @nid: corresponding NID (optional)
1643 * @kctl: the control element to assign
1645 * Add the given control element to an array inside the codec instance.
1646 * All control elements belonging to a codec are supposed to be added
1647 * by this function so that a proper clean-up works at the free or
1648 * reconfiguration time.
1650 * If non-zero @nid is passed, the NID is assigned to the control element.
1651 * The assignment is shown in the codec proc file.
1653 * snd_hda_ctl_add() checks the control subdev id field whether
1654 * #HDA_SUBDEV_NID_FLAG bit is set. If set (and @nid is zero), the lower
1655 * bits value is taken as the NID to assign. The #HDA_NID_ITEM_AMP bit
1656 * specifies if kctl->private_value is a HDA amplifier value.
1658 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
1659 struct snd_kcontrol *kctl)
1662 unsigned short flags = 0;
1663 struct hda_nid_item *item;
1665 if (kctl->id.subdevice & HDA_SUBDEV_AMP_FLAG) {
1666 flags |= HDA_NID_ITEM_AMP;
1668 nid = get_amp_nid_(kctl->private_value);
1670 if ((kctl->id.subdevice & HDA_SUBDEV_NID_FLAG) != 0 && nid == 0)
1671 nid = kctl->id.subdevice & 0xffff;
1672 if (kctl->id.subdevice & (HDA_SUBDEV_NID_FLAG|HDA_SUBDEV_AMP_FLAG))
1673 kctl->id.subdevice = 0;
1674 err = snd_ctl_add(codec->card, kctl);
1677 item = snd_array_new(&codec->mixers);
1682 item->flags = flags;
1685 EXPORT_SYMBOL_GPL(snd_hda_ctl_add);
1688 * snd_hda_add_nid - Assign a NID to a control element
1689 * @codec: HD-audio codec
1690 * @nid: corresponding NID (optional)
1691 * @kctl: the control element to assign
1692 * @index: index to kctl
1694 * Add the given control element to an array inside the codec instance.
1695 * This function is used when #snd_hda_ctl_add cannot be used for 1:1
1696 * NID:KCTL mapping - for example "Capture Source" selector.
1698 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
1699 unsigned int index, hda_nid_t nid)
1701 struct hda_nid_item *item;
1704 item = snd_array_new(&codec->nids);
1708 item->index = index;
1712 codec_err(codec, "no NID for mapping control %s:%d:%d\n",
1713 kctl->id.name, kctl->id.index, index);
1716 EXPORT_SYMBOL_GPL(snd_hda_add_nid);
1719 * snd_hda_ctls_clear - Clear all controls assigned to the given codec
1720 * @codec: HD-audio codec
1722 void snd_hda_ctls_clear(struct hda_codec *codec)
1725 struct hda_nid_item *items = codec->mixers.list;
1726 for (i = 0; i < codec->mixers.used; i++)
1727 snd_ctl_remove(codec->card, items[i].kctl);
1728 snd_array_free(&codec->mixers);
1729 snd_array_free(&codec->nids);
1733 * snd_hda_lock_devices - pseudo device locking
1736 * toggle card->shutdown to allow/disallow the device access (as a hack)
1738 int snd_hda_lock_devices(struct hda_bus *bus)
1740 struct snd_card *card = bus->card;
1741 struct hda_codec *codec;
1743 spin_lock(&card->files_lock);
1747 if (!list_empty(&card->ctl_files))
1750 list_for_each_codec(codec, bus) {
1751 struct hda_pcm *cpcm;
1752 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
1755 if (cpcm->pcm->streams[0].substream_opened ||
1756 cpcm->pcm->streams[1].substream_opened)
1760 spin_unlock(&card->files_lock);
1766 spin_unlock(&card->files_lock);
1769 EXPORT_SYMBOL_GPL(snd_hda_lock_devices);
1772 * snd_hda_unlock_devices - pseudo device unlocking
1775 void snd_hda_unlock_devices(struct hda_bus *bus)
1777 struct snd_card *card = bus->card;
1779 spin_lock(&card->files_lock);
1781 spin_unlock(&card->files_lock);
1783 EXPORT_SYMBOL_GPL(snd_hda_unlock_devices);
1786 * snd_hda_codec_reset - Clear all objects assigned to the codec
1787 * @codec: HD-audio codec
1789 * This frees the all PCM and control elements assigned to the codec, and
1790 * clears the caches and restores the pin default configurations.
1792 * When a device is being used, it returns -EBSY. If successfully freed,
1795 int snd_hda_codec_reset(struct hda_codec *codec)
1797 struct hda_bus *bus = codec->bus;
1799 if (snd_hda_lock_devices(bus) < 0)
1802 /* OK, let it free */
1803 snd_hdac_device_unregister(&codec->core);
1805 /* allow device access again */
1806 snd_hda_unlock_devices(bus);
1810 typedef int (*map_follower_func_t)(struct hda_codec *, void *, struct snd_kcontrol *);
1812 /* apply the function to all matching follower ctls in the mixer list */
1813 static int map_followers(struct hda_codec *codec, const char * const *followers,
1814 const char *suffix, map_follower_func_t func, void *data)
1816 struct hda_nid_item *items;
1817 const char * const *s;
1820 items = codec->mixers.list;
1821 for (i = 0; i < codec->mixers.used; i++) {
1822 struct snd_kcontrol *sctl = items[i].kctl;
1823 if (!sctl || sctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER)
1825 for (s = followers; *s; s++) {
1826 char tmpname[sizeof(sctl->id.name)];
1827 const char *name = *s;
1829 snprintf(tmpname, sizeof(tmpname), "%s %s",
1833 if (!strcmp(sctl->id.name, name)) {
1834 err = func(codec, data, sctl);
1844 static int check_follower_present(struct hda_codec *codec,
1845 void *data, struct snd_kcontrol *sctl)
1850 /* call kctl->put with the given value(s) */
1851 static int put_kctl_with_value(struct snd_kcontrol *kctl, int val)
1853 struct snd_ctl_elem_value *ucontrol;
1854 ucontrol = kzalloc(sizeof(*ucontrol), GFP_KERNEL);
1857 ucontrol->value.integer.value[0] = val;
1858 ucontrol->value.integer.value[1] = val;
1859 kctl->put(kctl, ucontrol);
1864 struct follower_init_arg {
1865 struct hda_codec *codec;
1869 /* initialize the follower volume with 0dB via snd_ctl_apply_vmaster_followers() */
1870 static int init_follower_0dB(struct snd_kcontrol *follower,
1871 struct snd_kcontrol *kctl,
1874 struct follower_init_arg *arg = _arg;
1876 const int *tlv = NULL;
1880 if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
1881 if (kctl->tlv.c != snd_hda_mixer_amp_tlv) {
1882 codec_err(arg->codec,
1883 "Unexpected TLV callback for follower %s:%d\n",
1884 kctl->id.name, kctl->id.index);
1885 return 0; /* ignore */
1887 get_ctl_amp_tlv(kctl, _tlv);
1889 } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ)
1892 if (!tlv || tlv[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE)
1895 step = tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP];
1896 step &= ~TLV_DB_SCALE_MUTE;
1899 if (arg->step && arg->step != step) {
1900 codec_err(arg->codec,
1901 "Mismatching dB step for vmaster follower (%d!=%d)\n",
1907 val = -tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] / step;
1909 put_kctl_with_value(follower, val);
1916 /* unmute the follower via snd_ctl_apply_vmaster_followers() */
1917 static int init_follower_unmute(struct snd_kcontrol *follower,
1918 struct snd_kcontrol *kctl,
1921 return put_kctl_with_value(follower, 1);
1924 static int add_follower(struct hda_codec *codec,
1925 void *data, struct snd_kcontrol *follower)
1927 return snd_ctl_add_follower(data, follower);
1931 * __snd_hda_add_vmaster - create a virtual master control and add followers
1932 * @codec: HD-audio codec
1933 * @name: vmaster control name
1934 * @tlv: TLV data (optional)
1935 * @followers: follower control names (optional)
1936 * @suffix: suffix string to each follower name (optional)
1937 * @init_follower_vol: initialize followers to unmute/0dB
1938 * @ctl_ret: store the vmaster kcontrol in return
1940 * Create a virtual master control with the given name. The TLV data
1941 * must be either NULL or a valid data.
1943 * @followers is a NULL-terminated array of strings, each of which is a
1944 * follower control name. All controls with these names are assigned to
1945 * the new virtual master control.
1947 * This function returns zero if successful or a negative error code.
1949 int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
1950 unsigned int *tlv, const char * const *followers,
1951 const char *suffix, bool init_follower_vol,
1952 struct snd_kcontrol **ctl_ret)
1954 struct snd_kcontrol *kctl;
1960 err = map_followers(codec, followers, suffix, check_follower_present, NULL);
1962 codec_dbg(codec, "No follower found for %s\n", name);
1965 kctl = snd_ctl_make_virtual_master(name, tlv);
1968 err = snd_hda_ctl_add(codec, 0, kctl);
1972 err = map_followers(codec, followers, suffix, add_follower, kctl);
1976 /* init with master mute & zero volume */
1977 put_kctl_with_value(kctl, 0);
1978 if (init_follower_vol) {
1979 struct follower_init_arg arg = {
1983 snd_ctl_apply_vmaster_followers(kctl,
1984 tlv ? init_follower_0dB : init_follower_unmute,
1992 EXPORT_SYMBOL_GPL(__snd_hda_add_vmaster);
1995 * mute-LED control using vmaster
1997 static int vmaster_mute_mode_info(struct snd_kcontrol *kcontrol,
1998 struct snd_ctl_elem_info *uinfo)
2000 static const char * const texts[] = {
2001 "On", "Off", "Follow Master"
2004 return snd_ctl_enum_info(uinfo, 1, 3, texts);
2007 static int vmaster_mute_mode_get(struct snd_kcontrol *kcontrol,
2008 struct snd_ctl_elem_value *ucontrol)
2010 struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
2011 ucontrol->value.enumerated.item[0] = hook->mute_mode;
2015 static int vmaster_mute_mode_put(struct snd_kcontrol *kcontrol,
2016 struct snd_ctl_elem_value *ucontrol)
2018 struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
2019 unsigned int old_mode = hook->mute_mode;
2021 hook->mute_mode = ucontrol->value.enumerated.item[0];
2022 if (hook->mute_mode > HDA_VMUTE_FOLLOW_MASTER)
2023 hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
2024 if (old_mode == hook->mute_mode)
2026 snd_hda_sync_vmaster_hook(hook);
2030 static const struct snd_kcontrol_new vmaster_mute_mode = {
2031 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2032 .name = "Mute-LED Mode",
2033 .info = vmaster_mute_mode_info,
2034 .get = vmaster_mute_mode_get,
2035 .put = vmaster_mute_mode_put,
2038 /* meta hook to call each driver's vmaster hook */
2039 static void vmaster_hook(void *private_data, int enabled)
2041 struct hda_vmaster_mute_hook *hook = private_data;
2043 if (hook->mute_mode != HDA_VMUTE_FOLLOW_MASTER)
2044 enabled = hook->mute_mode;
2045 hook->hook(hook->codec, enabled);
2049 * snd_hda_add_vmaster_hook - Add a vmaster hook for mute-LED
2050 * @codec: the HDA codec
2051 * @hook: the vmaster hook object
2052 * @expose_enum_ctl: flag to create an enum ctl
2054 * Add a mute-LED hook with the given vmaster switch kctl.
2055 * When @expose_enum_ctl is set, "Mute-LED Mode" control is automatically
2056 * created and associated with the given hook.
2058 int snd_hda_add_vmaster_hook(struct hda_codec *codec,
2059 struct hda_vmaster_mute_hook *hook,
2060 bool expose_enum_ctl)
2062 struct snd_kcontrol *kctl;
2064 if (!hook->hook || !hook->sw_kctl)
2066 hook->codec = codec;
2067 hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
2068 snd_ctl_add_vmaster_hook(hook->sw_kctl, vmaster_hook, hook);
2069 if (!expose_enum_ctl)
2071 kctl = snd_ctl_new1(&vmaster_mute_mode, hook);
2074 return snd_hda_ctl_add(codec, 0, kctl);
2076 EXPORT_SYMBOL_GPL(snd_hda_add_vmaster_hook);
2079 * snd_hda_sync_vmaster_hook - Sync vmaster hook
2080 * @hook: the vmaster hook
2082 * Call the hook with the current value for synchronization.
2083 * Should be called in init callback.
2085 void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook)
2087 if (!hook->hook || !hook->codec)
2089 /* don't call vmaster hook in the destructor since it might have
2090 * been already destroyed
2092 if (hook->codec->bus->shutdown)
2094 snd_ctl_sync_vmaster_hook(hook->sw_kctl);
2096 EXPORT_SYMBOL_GPL(snd_hda_sync_vmaster_hook);
2100 * snd_hda_mixer_amp_switch_info - Info callback for a standard AMP mixer switch
2101 * @kcontrol: referred ctl element
2102 * @uinfo: pointer to get/store the data
2104 * The control element is supposed to have the private_value field
2105 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2107 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
2108 struct snd_ctl_elem_info *uinfo)
2110 int chs = get_amp_channels(kcontrol);
2112 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2113 uinfo->count = chs == 3 ? 2 : 1;
2114 uinfo->value.integer.min = 0;
2115 uinfo->value.integer.max = 1;
2118 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_info);
2121 * snd_hda_mixer_amp_switch_get - Get callback for a standard AMP mixer switch
2122 * @kcontrol: ctl element
2123 * @ucontrol: pointer to get/store the data
2125 * The control element is supposed to have the private_value field
2126 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2128 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
2129 struct snd_ctl_elem_value *ucontrol)
2131 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2132 hda_nid_t nid = get_amp_nid(kcontrol);
2133 int chs = get_amp_channels(kcontrol);
2134 int dir = get_amp_direction(kcontrol);
2135 int idx = get_amp_index(kcontrol);
2136 long *valp = ucontrol->value.integer.value;
2139 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
2140 HDA_AMP_MUTE) ? 0 : 1;
2142 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
2143 HDA_AMP_MUTE) ? 0 : 1;
2146 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_get);
2149 * snd_hda_mixer_amp_switch_put - Put callback for a standard AMP mixer switch
2150 * @kcontrol: ctl element
2151 * @ucontrol: pointer to get/store the data
2153 * The control element is supposed to have the private_value field
2154 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2156 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
2157 struct snd_ctl_elem_value *ucontrol)
2159 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2160 hda_nid_t nid = get_amp_nid(kcontrol);
2161 int chs = get_amp_channels(kcontrol);
2162 int dir = get_amp_direction(kcontrol);
2163 int idx = get_amp_index(kcontrol);
2164 long *valp = ucontrol->value.integer.value;
2168 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
2170 *valp ? 0 : HDA_AMP_MUTE);
2174 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
2176 *valp ? 0 : HDA_AMP_MUTE);
2177 hda_call_check_power_status(codec, nid);
2180 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put);
2183 * SPDIF out controls
2186 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
2187 struct snd_ctl_elem_info *uinfo)
2189 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2194 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
2195 struct snd_ctl_elem_value *ucontrol)
2197 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2198 IEC958_AES0_NONAUDIO |
2199 IEC958_AES0_CON_EMPHASIS_5015 |
2200 IEC958_AES0_CON_NOT_COPYRIGHT;
2201 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
2202 IEC958_AES1_CON_ORIGINAL;
2206 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
2207 struct snd_ctl_elem_value *ucontrol)
2209 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2210 IEC958_AES0_NONAUDIO |
2211 IEC958_AES0_PRO_EMPHASIS_5015;
2215 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
2216 struct snd_ctl_elem_value *ucontrol)
2218 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2219 int idx = kcontrol->private_value;
2220 struct hda_spdif_out *spdif;
2222 if (WARN_ON(codec->spdif_out.used <= idx))
2224 mutex_lock(&codec->spdif_mutex);
2225 spdif = snd_array_elem(&codec->spdif_out, idx);
2226 ucontrol->value.iec958.status[0] = spdif->status & 0xff;
2227 ucontrol->value.iec958.status[1] = (spdif->status >> 8) & 0xff;
2228 ucontrol->value.iec958.status[2] = (spdif->status >> 16) & 0xff;
2229 ucontrol->value.iec958.status[3] = (spdif->status >> 24) & 0xff;
2230 mutex_unlock(&codec->spdif_mutex);
2235 /* convert from SPDIF status bits to HDA SPDIF bits
2236 * bit 0 (DigEn) is always set zero (to be filled later)
2238 static unsigned short convert_from_spdif_status(unsigned int sbits)
2240 unsigned short val = 0;
2242 if (sbits & IEC958_AES0_PROFESSIONAL)
2243 val |= AC_DIG1_PROFESSIONAL;
2244 if (sbits & IEC958_AES0_NONAUDIO)
2245 val |= AC_DIG1_NONAUDIO;
2246 if (sbits & IEC958_AES0_PROFESSIONAL) {
2247 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
2248 IEC958_AES0_PRO_EMPHASIS_5015)
2249 val |= AC_DIG1_EMPHASIS;
2251 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
2252 IEC958_AES0_CON_EMPHASIS_5015)
2253 val |= AC_DIG1_EMPHASIS;
2254 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
2255 val |= AC_DIG1_COPYRIGHT;
2256 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
2257 val |= AC_DIG1_LEVEL;
2258 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
2263 /* convert to SPDIF status bits from HDA SPDIF bits
2265 static unsigned int convert_to_spdif_status(unsigned short val)
2267 unsigned int sbits = 0;
2269 if (val & AC_DIG1_NONAUDIO)
2270 sbits |= IEC958_AES0_NONAUDIO;
2271 if (val & AC_DIG1_PROFESSIONAL)
2272 sbits |= IEC958_AES0_PROFESSIONAL;
2273 if (sbits & IEC958_AES0_PROFESSIONAL) {
2274 if (val & AC_DIG1_EMPHASIS)
2275 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
2277 if (val & AC_DIG1_EMPHASIS)
2278 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
2279 if (!(val & AC_DIG1_COPYRIGHT))
2280 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
2281 if (val & AC_DIG1_LEVEL)
2282 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
2283 sbits |= val & (0x7f << 8);
2288 /* set digital convert verbs both for the given NID and its followers */
2289 static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
2294 snd_hdac_regmap_update(&codec->core, nid, AC_VERB_SET_DIGI_CONVERT_1,
2296 d = codec->follower_dig_outs;
2300 snd_hdac_regmap_update(&codec->core, *d,
2301 AC_VERB_SET_DIGI_CONVERT_1, mask, val);
2304 static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
2307 unsigned int mask = 0;
2308 unsigned int val = 0;
2318 set_dig_out(codec, nid, mask, val);
2321 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
2322 struct snd_ctl_elem_value *ucontrol)
2324 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2325 int idx = kcontrol->private_value;
2326 struct hda_spdif_out *spdif;
2331 if (WARN_ON(codec->spdif_out.used <= idx))
2333 mutex_lock(&codec->spdif_mutex);
2334 spdif = snd_array_elem(&codec->spdif_out, idx);
2336 spdif->status = ucontrol->value.iec958.status[0] |
2337 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
2338 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
2339 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
2340 val = convert_from_spdif_status(spdif->status);
2341 val |= spdif->ctls & 1;
2342 change = spdif->ctls != val;
2344 if (change && nid != (u16)-1)
2345 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
2346 mutex_unlock(&codec->spdif_mutex);
2350 #define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
2352 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
2353 struct snd_ctl_elem_value *ucontrol)
2355 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2356 int idx = kcontrol->private_value;
2357 struct hda_spdif_out *spdif;
2359 if (WARN_ON(codec->spdif_out.used <= idx))
2361 mutex_lock(&codec->spdif_mutex);
2362 spdif = snd_array_elem(&codec->spdif_out, idx);
2363 ucontrol->value.integer.value[0] = spdif->ctls & AC_DIG1_ENABLE;
2364 mutex_unlock(&codec->spdif_mutex);
2368 static inline void set_spdif_ctls(struct hda_codec *codec, hda_nid_t nid,
2371 set_dig_out_convert(codec, nid, dig1, dig2);
2372 /* unmute amp switch (if any) */
2373 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
2374 (dig1 & AC_DIG1_ENABLE))
2375 snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
2379 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
2380 struct snd_ctl_elem_value *ucontrol)
2382 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2383 int idx = kcontrol->private_value;
2384 struct hda_spdif_out *spdif;
2389 if (WARN_ON(codec->spdif_out.used <= idx))
2391 mutex_lock(&codec->spdif_mutex);
2392 spdif = snd_array_elem(&codec->spdif_out, idx);
2394 val = spdif->ctls & ~AC_DIG1_ENABLE;
2395 if (ucontrol->value.integer.value[0])
2396 val |= AC_DIG1_ENABLE;
2397 change = spdif->ctls != val;
2399 if (change && nid != (u16)-1)
2400 set_spdif_ctls(codec, nid, val & 0xff, -1);
2401 mutex_unlock(&codec->spdif_mutex);
2405 static const struct snd_kcontrol_new dig_mixes[] = {
2407 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2408 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2409 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
2410 .info = snd_hda_spdif_mask_info,
2411 .get = snd_hda_spdif_cmask_get,
2414 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2415 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2416 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
2417 .info = snd_hda_spdif_mask_info,
2418 .get = snd_hda_spdif_pmask_get,
2421 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2422 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
2423 .info = snd_hda_spdif_mask_info,
2424 .get = snd_hda_spdif_default_get,
2425 .put = snd_hda_spdif_default_put,
2428 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2429 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
2430 .info = snd_hda_spdif_out_switch_info,
2431 .get = snd_hda_spdif_out_switch_get,
2432 .put = snd_hda_spdif_out_switch_put,
2438 * snd_hda_create_dig_out_ctls - create Output SPDIF-related controls
2439 * @codec: the HDA codec
2440 * @associated_nid: NID that new ctls associated with
2441 * @cvt_nid: converter NID
2442 * @type: HDA_PCM_TYPE_*
2443 * Creates controls related with the digital output.
2444 * Called from each patch supporting the digital out.
2446 * Returns 0 if successful, or a negative error code.
2448 int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
2449 hda_nid_t associated_nid,
2454 struct snd_kcontrol *kctl;
2455 const struct snd_kcontrol_new *dig_mix;
2458 const int spdif_index = 16;
2459 struct hda_spdif_out *spdif;
2460 struct hda_bus *bus = codec->bus;
2462 if (bus->primary_dig_out_type == HDA_PCM_TYPE_HDMI &&
2463 type == HDA_PCM_TYPE_SPDIF) {
2465 } else if (bus->primary_dig_out_type == HDA_PCM_TYPE_SPDIF &&
2466 type == HDA_PCM_TYPE_HDMI) {
2467 /* suppose a single SPDIF device */
2468 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2469 kctl = find_mixer_ctl(codec, dig_mix->name, 0, 0);
2472 kctl->id.index = spdif_index;
2474 bus->primary_dig_out_type = HDA_PCM_TYPE_HDMI;
2476 if (!bus->primary_dig_out_type)
2477 bus->primary_dig_out_type = type;
2479 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Playback Switch", idx);
2481 codec_err(codec, "too many IEC958 outputs\n");
2484 spdif = snd_array_new(&codec->spdif_out);
2487 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2488 kctl = snd_ctl_new1(dig_mix, codec);
2491 kctl->id.index = idx;
2492 kctl->private_value = codec->spdif_out.used - 1;
2493 err = snd_hda_ctl_add(codec, associated_nid, kctl);
2497 spdif->nid = cvt_nid;
2498 snd_hdac_regmap_read(&codec->core, cvt_nid,
2499 AC_VERB_GET_DIGI_CONVERT_1, &val);
2501 spdif->status = convert_to_spdif_status(spdif->ctls);
2504 EXPORT_SYMBOL_GPL(snd_hda_create_dig_out_ctls);
2507 * snd_hda_spdif_out_of_nid - get the hda_spdif_out entry from the given NID
2508 * @codec: the HDA codec
2511 * call within spdif_mutex lock
2513 struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
2516 struct hda_spdif_out *spdif;
2519 snd_array_for_each(&codec->spdif_out, i, spdif) {
2520 if (spdif->nid == nid)
2525 EXPORT_SYMBOL_GPL(snd_hda_spdif_out_of_nid);
2528 * snd_hda_spdif_ctls_unassign - Unassign the given SPDIF ctl
2529 * @codec: the HDA codec
2530 * @idx: the SPDIF ctl index
2532 * Unassign the widget from the given SPDIF control.
2534 void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx)
2536 struct hda_spdif_out *spdif;
2538 if (WARN_ON(codec->spdif_out.used <= idx))
2540 mutex_lock(&codec->spdif_mutex);
2541 spdif = snd_array_elem(&codec->spdif_out, idx);
2542 spdif->nid = (u16)-1;
2543 mutex_unlock(&codec->spdif_mutex);
2545 EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_unassign);
2548 * snd_hda_spdif_ctls_assign - Assign the SPDIF controls to the given NID
2549 * @codec: the HDA codec
2550 * @idx: the SPDIF ctl idx
2553 * Assign the widget to the SPDIF control with the given index.
2555 void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid)
2557 struct hda_spdif_out *spdif;
2560 if (WARN_ON(codec->spdif_out.used <= idx))
2562 mutex_lock(&codec->spdif_mutex);
2563 spdif = snd_array_elem(&codec->spdif_out, idx);
2564 if (spdif->nid != nid) {
2567 set_spdif_ctls(codec, nid, val & 0xff, (val >> 8) & 0xff);
2569 mutex_unlock(&codec->spdif_mutex);
2571 EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_assign);
2574 * SPDIF sharing with analog output
2576 static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
2577 struct snd_ctl_elem_value *ucontrol)
2579 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2580 ucontrol->value.integer.value[0] = mout->share_spdif;
2584 static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
2585 struct snd_ctl_elem_value *ucontrol)
2587 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2588 mout->share_spdif = !!ucontrol->value.integer.value[0];
2592 static const struct snd_kcontrol_new spdif_share_sw = {
2593 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2594 .name = "IEC958 Default PCM Playback Switch",
2595 .info = snd_ctl_boolean_mono_info,
2596 .get = spdif_share_sw_get,
2597 .put = spdif_share_sw_put,
2601 * snd_hda_create_spdif_share_sw - create Default PCM switch
2602 * @codec: the HDA codec
2603 * @mout: multi-out instance
2605 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
2606 struct hda_multi_out *mout)
2608 struct snd_kcontrol *kctl;
2610 if (!mout->dig_out_nid)
2613 kctl = snd_ctl_new1(&spdif_share_sw, mout);
2616 /* ATTENTION: here mout is passed as private_data, instead of codec */
2617 return snd_hda_ctl_add(codec, mout->dig_out_nid, kctl);
2619 EXPORT_SYMBOL_GPL(snd_hda_create_spdif_share_sw);
2625 #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
2627 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
2628 struct snd_ctl_elem_value *ucontrol)
2630 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2632 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
2636 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
2637 struct snd_ctl_elem_value *ucontrol)
2639 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2640 hda_nid_t nid = kcontrol->private_value;
2641 unsigned int val = !!ucontrol->value.integer.value[0];
2644 mutex_lock(&codec->spdif_mutex);
2645 change = codec->spdif_in_enable != val;
2647 codec->spdif_in_enable = val;
2648 snd_hdac_regmap_write(&codec->core, nid,
2649 AC_VERB_SET_DIGI_CONVERT_1, val);
2651 mutex_unlock(&codec->spdif_mutex);
2655 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
2656 struct snd_ctl_elem_value *ucontrol)
2658 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2659 hda_nid_t nid = kcontrol->private_value;
2663 snd_hdac_regmap_read(&codec->core, nid,
2664 AC_VERB_GET_DIGI_CONVERT_1, &val);
2665 sbits = convert_to_spdif_status(val);
2666 ucontrol->value.iec958.status[0] = sbits;
2667 ucontrol->value.iec958.status[1] = sbits >> 8;
2668 ucontrol->value.iec958.status[2] = sbits >> 16;
2669 ucontrol->value.iec958.status[3] = sbits >> 24;
2673 static const struct snd_kcontrol_new dig_in_ctls[] = {
2675 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2676 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, SWITCH),
2677 .info = snd_hda_spdif_in_switch_info,
2678 .get = snd_hda_spdif_in_switch_get,
2679 .put = snd_hda_spdif_in_switch_put,
2682 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2683 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2684 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
2685 .info = snd_hda_spdif_mask_info,
2686 .get = snd_hda_spdif_in_status_get,
2692 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
2693 * @codec: the HDA codec
2694 * @nid: audio in widget NID
2696 * Creates controls related with the SPDIF input.
2697 * Called from each patch supporting the SPDIF in.
2699 * Returns 0 if successful, or a negative error code.
2701 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
2704 struct snd_kcontrol *kctl;
2705 const struct snd_kcontrol_new *dig_mix;
2708 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Capture Switch", 0);
2710 codec_err(codec, "too many IEC958 inputs\n");
2713 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
2714 kctl = snd_ctl_new1(dig_mix, codec);
2717 kctl->private_value = nid;
2718 err = snd_hda_ctl_add(codec, nid, kctl);
2722 codec->spdif_in_enable =
2723 snd_hda_codec_read(codec, nid, 0,
2724 AC_VERB_GET_DIGI_CONVERT_1, 0) &
2728 EXPORT_SYMBOL_GPL(snd_hda_create_spdif_in_ctls);
2731 * snd_hda_codec_set_power_to_all - Set the power state to all widgets
2732 * @codec: the HDA codec
2733 * @fg: function group (not used now)
2734 * @power_state: the power state to set (AC_PWRST_*)
2736 * Set the given power state to all widgets that have the power control.
2737 * If the codec has power_filter set, it evaluates the power state and
2738 * filter out if it's unchanged as D3.
2740 void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
2741 unsigned int power_state)
2745 for_each_hda_codec_node(nid, codec) {
2746 unsigned int wcaps = get_wcaps(codec, nid);
2747 unsigned int state = power_state;
2748 if (!(wcaps & AC_WCAP_POWER))
2750 if (codec->power_filter) {
2751 state = codec->power_filter(codec, nid, power_state);
2752 if (state != power_state && power_state == AC_PWRST_D3)
2755 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
2759 EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_to_all);
2762 * snd_hda_codec_eapd_power_filter - A power filter callback for EAPD
2763 * @codec: the HDA codec
2765 * @power_state: power state to evalue
2767 * Don't power down the widget if it controls eapd and EAPD_BTLENABLE is set.
2768 * This can be used a codec power_filter callback.
2770 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
2772 unsigned int power_state)
2774 if (nid == codec->core.afg || nid == codec->core.mfg)
2776 if (power_state == AC_PWRST_D3 &&
2777 get_wcaps_type(get_wcaps(codec, nid)) == AC_WID_PIN &&
2778 (snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_EAPD)) {
2779 int eapd = snd_hda_codec_read(codec, nid, 0,
2780 AC_VERB_GET_EAPD_BTLENABLE, 0);
2786 EXPORT_SYMBOL_GPL(snd_hda_codec_eapd_power_filter);
2789 * set power state of the codec, and return the power state
2791 static unsigned int hda_set_power_state(struct hda_codec *codec,
2792 unsigned int power_state)
2794 hda_nid_t fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
2799 /* this delay seems necessary to avoid click noise at power-down */
2800 if (power_state == AC_PWRST_D3) {
2801 if (codec->depop_delay < 0)
2802 msleep(codec_has_epss(codec) ? 10 : 100);
2803 else if (codec->depop_delay > 0)
2804 msleep(codec->depop_delay);
2805 flags = HDA_RW_NO_RESPONSE_FALLBACK;
2808 /* repeat power states setting at most 10 times*/
2809 for (count = 0; count < 10; count++) {
2810 if (codec->patch_ops.set_power_state)
2811 codec->patch_ops.set_power_state(codec, fg,
2814 state = power_state;
2815 if (codec->power_filter)
2816 state = codec->power_filter(codec, fg, state);
2817 if (state == power_state || power_state != AC_PWRST_D3)
2818 snd_hda_codec_read(codec, fg, flags,
2819 AC_VERB_SET_POWER_STATE,
2821 snd_hda_codec_set_power_to_all(codec, fg, power_state);
2823 state = snd_hda_sync_power_state(codec, fg, power_state);
2824 if (!(state & AC_PWRST_ERROR))
2831 /* sync power states of all widgets;
2832 * this is called at the end of codec parsing
2834 static void sync_power_up_states(struct hda_codec *codec)
2838 /* don't care if no filter is used */
2839 if (!codec->power_filter)
2842 for_each_hda_codec_node(nid, codec) {
2843 unsigned int wcaps = get_wcaps(codec, nid);
2844 unsigned int target;
2845 if (!(wcaps & AC_WCAP_POWER))
2847 target = codec->power_filter(codec, nid, AC_PWRST_D0);
2848 if (target == AC_PWRST_D0)
2850 if (!snd_hda_check_power_state(codec, nid, target))
2851 snd_hda_codec_write(codec, nid, 0,
2852 AC_VERB_SET_POWER_STATE, target);
2856 #ifdef CONFIG_SND_HDA_RECONFIG
2857 /* execute additional init verbs */
2858 static void hda_exec_init_verbs(struct hda_codec *codec)
2860 if (codec->init_verbs.list)
2861 snd_hda_sequence_write(codec, codec->init_verbs.list);
2864 static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
2868 /* update the power on/off account with the current jiffies */
2869 static void update_power_acct(struct hda_codec *codec, bool on)
2871 unsigned long delta = jiffies - codec->power_jiffies;
2874 codec->power_on_acct += delta;
2876 codec->power_off_acct += delta;
2877 codec->power_jiffies += delta;
2880 void snd_hda_update_power_acct(struct hda_codec *codec)
2882 update_power_acct(codec, hda_codec_is_power_on(codec));
2886 * call suspend and power-down; used both from PM and power-save
2887 * this function returns the power state in the end
2889 static unsigned int hda_call_codec_suspend(struct hda_codec *codec)
2893 snd_hdac_enter_pm(&codec->core);
2894 if (codec->patch_ops.suspend)
2895 codec->patch_ops.suspend(codec);
2896 hda_cleanup_all_streams(codec);
2897 state = hda_set_power_state(codec, AC_PWRST_D3);
2898 update_power_acct(codec, true);
2899 snd_hdac_leave_pm(&codec->core);
2904 * kick up codec; used both from PM and power-save
2906 static void hda_call_codec_resume(struct hda_codec *codec)
2908 snd_hdac_enter_pm(&codec->core);
2909 if (codec->core.regmap)
2910 regcache_mark_dirty(codec->core.regmap);
2912 codec->power_jiffies = jiffies;
2914 hda_set_power_state(codec, AC_PWRST_D0);
2915 restore_shutup_pins(codec);
2916 hda_exec_init_verbs(codec);
2917 snd_hda_jack_set_dirty_all(codec);
2918 if (codec->patch_ops.resume)
2919 codec->patch_ops.resume(codec);
2921 if (codec->patch_ops.init)
2922 codec->patch_ops.init(codec);
2923 snd_hda_regmap_sync(codec);
2926 if (codec->jackpoll_interval)
2927 hda_jackpoll_work(&codec->jackpoll_work.work);
2929 snd_hda_jack_report_sync(codec);
2930 codec->core.dev.power.power_state = PMSG_ON;
2931 snd_hdac_leave_pm(&codec->core);
2934 static int hda_codec_runtime_suspend(struct device *dev)
2936 struct hda_codec *codec = dev_to_hda_codec(dev);
2939 /* Nothing to do if card registration fails and the component driver never probes */
2943 cancel_delayed_work_sync(&codec->jackpoll_work);
2944 state = hda_call_codec_suspend(codec);
2945 if (codec->link_down_at_suspend ||
2946 (codec_has_clkstop(codec) && codec_has_epss(codec) &&
2947 (state & AC_PWRST_CLK_STOP_OK)))
2948 snd_hdac_codec_link_down(&codec->core);
2949 codec_display_power(codec, false);
2953 static int hda_codec_runtime_resume(struct device *dev)
2955 struct hda_codec *codec = dev_to_hda_codec(dev);
2957 /* Nothing to do if card registration fails and the component driver never probes */
2961 codec_display_power(codec, true);
2962 snd_hdac_codec_link_up(&codec->core);
2963 hda_call_codec_resume(codec);
2964 pm_runtime_mark_last_busy(dev);
2967 #endif /* CONFIG_PM */
2969 #ifdef CONFIG_PM_SLEEP
2970 static int hda_codec_force_resume(struct device *dev)
2972 struct hda_codec *codec = dev_to_hda_codec(dev);
2975 ret = pm_runtime_force_resume(dev);
2976 /* schedule jackpoll work for jack detection update */
2977 if (codec->jackpoll_interval ||
2978 (pm_runtime_suspended(dev) && hda_codec_need_resume(codec)))
2979 schedule_delayed_work(&codec->jackpoll_work,
2980 codec->jackpoll_interval);
2984 static int hda_codec_pm_suspend(struct device *dev)
2986 dev->power.power_state = PMSG_SUSPEND;
2987 return pm_runtime_force_suspend(dev);
2990 static int hda_codec_pm_resume(struct device *dev)
2992 dev->power.power_state = PMSG_RESUME;
2993 return hda_codec_force_resume(dev);
2996 static int hda_codec_pm_freeze(struct device *dev)
2998 dev->power.power_state = PMSG_FREEZE;
2999 return pm_runtime_force_suspend(dev);
3002 static int hda_codec_pm_thaw(struct device *dev)
3004 dev->power.power_state = PMSG_THAW;
3005 return hda_codec_force_resume(dev);
3008 static int hda_codec_pm_restore(struct device *dev)
3010 dev->power.power_state = PMSG_RESTORE;
3011 return hda_codec_force_resume(dev);
3013 #endif /* CONFIG_PM_SLEEP */
3015 /* referred in hda_bind.c */
3016 const struct dev_pm_ops hda_codec_driver_pm = {
3017 #ifdef CONFIG_PM_SLEEP
3018 .suspend = hda_codec_pm_suspend,
3019 .resume = hda_codec_pm_resume,
3020 .freeze = hda_codec_pm_freeze,
3021 .thaw = hda_codec_pm_thaw,
3022 .poweroff = hda_codec_pm_suspend,
3023 .restore = hda_codec_pm_restore,
3024 #endif /* CONFIG_PM_SLEEP */
3025 SET_RUNTIME_PM_OPS(hda_codec_runtime_suspend, hda_codec_runtime_resume,
3030 * add standard channel maps if not specified
3032 static int add_std_chmaps(struct hda_codec *codec)
3034 struct hda_pcm *pcm;
3037 list_for_each_entry(pcm, &codec->pcm_list_head, list) {
3038 for (str = 0; str < 2; str++) {
3039 struct hda_pcm_stream *hinfo = &pcm->stream[str];
3040 struct snd_pcm_chmap *chmap;
3041 const struct snd_pcm_chmap_elem *elem;
3043 if (!pcm->pcm || pcm->own_chmap || !hinfo->substreams)
3045 elem = hinfo->chmap ? hinfo->chmap : snd_pcm_std_chmaps;
3046 err = snd_pcm_add_chmap_ctls(pcm->pcm, str, elem,
3047 hinfo->channels_max,
3051 chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
3057 /* default channel maps for 2.1 speakers;
3058 * since HD-audio supports only stereo, odd number channels are omitted
3060 const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[] = {
3062 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
3064 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR,
3065 SNDRV_CHMAP_LFE, SNDRV_CHMAP_LFE } },
3068 EXPORT_SYMBOL_GPL(snd_pcm_2_1_chmaps);
3070 int snd_hda_codec_build_controls(struct hda_codec *codec)
3073 hda_exec_init_verbs(codec);
3074 /* continue to initialize... */
3075 if (codec->patch_ops.init)
3076 err = codec->patch_ops.init(codec);
3077 if (!err && codec->patch_ops.build_controls)
3078 err = codec->patch_ops.build_controls(codec);
3082 /* we create chmaps here instead of build_pcms */
3083 err = add_std_chmaps(codec);
3087 if (codec->jackpoll_interval)
3088 hda_jackpoll_work(&codec->jackpoll_work.work);
3090 snd_hda_jack_report_sync(codec); /* call at the last init point */
3091 sync_power_up_states(codec);
3094 EXPORT_SYMBOL_GPL(snd_hda_codec_build_controls);
3099 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
3100 struct hda_codec *codec,
3101 struct snd_pcm_substream *substream)
3106 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
3107 struct hda_codec *codec,
3108 unsigned int stream_tag,
3109 unsigned int format,
3110 struct snd_pcm_substream *substream)
3112 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
3116 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
3117 struct hda_codec *codec,
3118 struct snd_pcm_substream *substream)
3120 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
3124 static int set_pcm_default_values(struct hda_codec *codec,
3125 struct hda_pcm_stream *info)
3129 /* query support PCM information from the given NID */
3130 if (info->nid && (!info->rates || !info->formats)) {
3131 err = snd_hda_query_supported_pcm(codec, info->nid,
3132 info->rates ? NULL : &info->rates,
3133 info->formats ? NULL : &info->formats,
3134 info->maxbps ? NULL : &info->maxbps);
3138 if (info->ops.open == NULL)
3139 info->ops.open = hda_pcm_default_open_close;
3140 if (info->ops.close == NULL)
3141 info->ops.close = hda_pcm_default_open_close;
3142 if (info->ops.prepare == NULL) {
3143 if (snd_BUG_ON(!info->nid))
3145 info->ops.prepare = hda_pcm_default_prepare;
3147 if (info->ops.cleanup == NULL) {
3148 if (snd_BUG_ON(!info->nid))
3150 info->ops.cleanup = hda_pcm_default_cleanup;
3156 * codec prepare/cleanup entries
3159 * snd_hda_codec_prepare - Prepare a stream
3160 * @codec: the HDA codec
3161 * @hinfo: PCM information
3162 * @stream: stream tag to assign
3163 * @format: format id to assign
3164 * @substream: PCM substream to assign
3166 * Calls the prepare callback set by the codec with the given arguments.
3167 * Clean up the inactive streams when successful.
3169 int snd_hda_codec_prepare(struct hda_codec *codec,
3170 struct hda_pcm_stream *hinfo,
3171 unsigned int stream,
3172 unsigned int format,
3173 struct snd_pcm_substream *substream)
3176 mutex_lock(&codec->bus->prepare_mutex);
3177 if (hinfo->ops.prepare)
3178 ret = hinfo->ops.prepare(hinfo, codec, stream, format,
3183 purify_inactive_streams(codec);
3184 mutex_unlock(&codec->bus->prepare_mutex);
3187 EXPORT_SYMBOL_GPL(snd_hda_codec_prepare);
3190 * snd_hda_codec_cleanup - Clean up stream resources
3191 * @codec: the HDA codec
3192 * @hinfo: PCM information
3193 * @substream: PCM substream
3195 * Calls the cleanup callback set by the codec with the given arguments.
3197 void snd_hda_codec_cleanup(struct hda_codec *codec,
3198 struct hda_pcm_stream *hinfo,
3199 struct snd_pcm_substream *substream)
3201 mutex_lock(&codec->bus->prepare_mutex);
3202 if (hinfo->ops.cleanup)
3203 hinfo->ops.cleanup(hinfo, codec, substream);
3204 mutex_unlock(&codec->bus->prepare_mutex);
3206 EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup);
3209 const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = {
3210 "Audio", "SPDIF", "HDMI", "Modem"
3214 * get the empty PCM device number to assign
3216 static int get_empty_pcm_device(struct hda_bus *bus, unsigned int type)
3218 /* audio device indices; not linear to keep compatibility */
3219 /* assigned to static slots up to dev#10; if more needed, assign
3220 * the later slot dynamically (when CONFIG_SND_DYNAMIC_MINORS=y)
3222 static const int audio_idx[HDA_PCM_NTYPES][5] = {
3223 [HDA_PCM_TYPE_AUDIO] = { 0, 2, 4, 5, -1 },
3224 [HDA_PCM_TYPE_SPDIF] = { 1, -1 },
3225 [HDA_PCM_TYPE_HDMI] = { 3, 7, 8, 9, -1 },
3226 [HDA_PCM_TYPE_MODEM] = { 6, -1 },
3230 if (type >= HDA_PCM_NTYPES) {
3231 dev_err(bus->card->dev, "Invalid PCM type %d\n", type);
3235 for (i = 0; audio_idx[type][i] >= 0; i++) {
3236 #ifndef CONFIG_SND_DYNAMIC_MINORS
3237 if (audio_idx[type][i] >= 8)
3240 if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits))
3241 return audio_idx[type][i];
3244 #ifdef CONFIG_SND_DYNAMIC_MINORS
3245 /* non-fixed slots starting from 10 */
3246 for (i = 10; i < 32; i++) {
3247 if (!test_and_set_bit(i, bus->pcm_dev_bits))
3252 dev_warn(bus->card->dev, "Too many %s devices\n",
3253 snd_hda_pcm_type_name[type]);
3254 #ifndef CONFIG_SND_DYNAMIC_MINORS
3255 dev_warn(bus->card->dev,
3256 "Consider building the kernel with CONFIG_SND_DYNAMIC_MINORS=y\n");
3261 /* call build_pcms ops of the given codec and set up the default parameters */
3262 int snd_hda_codec_parse_pcms(struct hda_codec *codec)
3264 struct hda_pcm *cpcm;
3267 if (!list_empty(&codec->pcm_list_head))
3268 return 0; /* already parsed */
3270 if (!codec->patch_ops.build_pcms)
3273 err = codec->patch_ops.build_pcms(codec);
3275 codec_err(codec, "cannot build PCMs for #%d (error %d)\n",
3276 codec->core.addr, err);
3280 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3283 for (stream = 0; stream < 2; stream++) {
3284 struct hda_pcm_stream *info = &cpcm->stream[stream];
3286 if (!info->substreams)
3288 err = set_pcm_default_values(codec, info);
3291 "fail to setup default for PCM %s\n",
3300 EXPORT_SYMBOL_GPL(snd_hda_codec_parse_pcms);
3302 /* assign all PCMs of the given codec */
3303 int snd_hda_codec_build_pcms(struct hda_codec *codec)
3305 struct hda_bus *bus = codec->bus;
3306 struct hda_pcm *cpcm;
3309 err = snd_hda_codec_parse_pcms(codec);
3313 /* attach a new PCM streams */
3314 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3316 continue; /* already attached */
3317 if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
3318 continue; /* no substreams assigned */
3320 dev = get_empty_pcm_device(bus, cpcm->pcm_type);
3322 cpcm->device = SNDRV_PCM_INVALID_DEVICE;
3323 continue; /* no fatal error */
3326 err = snd_hda_attach_pcm_stream(bus, codec, cpcm);
3329 "cannot attach PCM stream %d for codec #%d\n",
3330 dev, codec->core.addr);
3331 continue; /* no fatal error */
3339 * snd_hda_add_new_ctls - create controls from the array
3340 * @codec: the HDA codec
3341 * @knew: the array of struct snd_kcontrol_new
3343 * This helper function creates and add new controls in the given array.
3344 * The array must be terminated with an empty entry as terminator.
3346 * Returns 0 if successful, or a negative error code.
3348 int snd_hda_add_new_ctls(struct hda_codec *codec,
3349 const struct snd_kcontrol_new *knew)
3353 for (; knew->name; knew++) {
3354 struct snd_kcontrol *kctl;
3355 int addr = 0, idx = 0;
3356 if (knew->iface == (__force snd_ctl_elem_iface_t)-1)
3357 continue; /* skip this codec private value */
3359 kctl = snd_ctl_new1(knew, codec);
3363 kctl->id.device = addr;
3365 kctl->id.index = idx;
3366 err = snd_hda_ctl_add(codec, 0, kctl);
3369 /* try first with another device index corresponding to
3370 * the codec addr; if it still fails (or it's the
3371 * primary codec), then try another control index
3373 if (!addr && codec->core.addr)
3374 addr = codec->core.addr;
3375 else if (!idx && !knew->index) {
3376 idx = find_empty_mixer_ctl_idx(codec,
3386 EXPORT_SYMBOL_GPL(snd_hda_add_new_ctls);
3389 static void codec_set_power_save(struct hda_codec *codec, int delay)
3391 struct device *dev = hda_codec_dev(codec);
3393 if (delay == 0 && codec->auto_runtime_pm)
3397 pm_runtime_set_autosuspend_delay(dev, delay);
3398 pm_runtime_use_autosuspend(dev);
3399 pm_runtime_allow(dev);
3400 if (!pm_runtime_suspended(dev))
3401 pm_runtime_mark_last_busy(dev);
3403 pm_runtime_dont_use_autosuspend(dev);
3404 pm_runtime_forbid(dev);
3409 * snd_hda_set_power_save - reprogram autosuspend for the given delay
3410 * @bus: HD-audio bus
3411 * @delay: autosuspend delay in msec, 0 = off
3413 * Synchronize the runtime PM autosuspend state from the power_save option.
3415 void snd_hda_set_power_save(struct hda_bus *bus, int delay)
3417 struct hda_codec *c;
3419 list_for_each_codec(c, bus)
3420 codec_set_power_save(c, delay);
3422 EXPORT_SYMBOL_GPL(snd_hda_set_power_save);
3425 * snd_hda_check_amp_list_power - Check the amp list and update the power
3426 * @codec: HD-audio codec
3427 * @check: the object containing an AMP list and the status
3428 * @nid: NID to check / update
3430 * Check whether the given NID is in the amp list. If it's in the list,
3431 * check the current AMP status, and update the the power-status according
3432 * to the mute status.
3434 * This function is supposed to be set or called from the check_power_status
3437 int snd_hda_check_amp_list_power(struct hda_codec *codec,
3438 struct hda_loopback_check *check,
3441 const struct hda_amp_list *p;
3444 if (!check->amplist)
3446 for (p = check->amplist; p->nid; p++) {
3451 return 0; /* nothing changed */
3453 for (p = check->amplist; p->nid; p++) {
3454 for (ch = 0; ch < 2; ch++) {
3455 v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
3457 if (!(v & HDA_AMP_MUTE) && v > 0) {
3458 if (!check->power_on) {
3459 check->power_on = 1;
3460 snd_hda_power_up_pm(codec);
3466 if (check->power_on) {
3467 check->power_on = 0;
3468 snd_hda_power_down_pm(codec);
3472 EXPORT_SYMBOL_GPL(snd_hda_check_amp_list_power);
3480 * snd_hda_input_mux_info_info - Info callback helper for the input-mux enum
3481 * @imux: imux helper object
3482 * @uinfo: pointer to get/store the data
3484 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
3485 struct snd_ctl_elem_info *uinfo)
3489 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
3491 uinfo->value.enumerated.items = imux->num_items;
3492 if (!imux->num_items)
3494 index = uinfo->value.enumerated.item;
3495 if (index >= imux->num_items)
3496 index = imux->num_items - 1;
3497 strcpy(uinfo->value.enumerated.name, imux->items[index].label);
3500 EXPORT_SYMBOL_GPL(snd_hda_input_mux_info);
3503 * snd_hda_input_mux_info_put - Put callback helper for the input-mux enum
3504 * @codec: the HDA codec
3505 * @imux: imux helper object
3506 * @ucontrol: pointer to get/store the data
3507 * @nid: input mux NID
3508 * @cur_val: pointer to get/store the current imux value
3510 int snd_hda_input_mux_put(struct hda_codec *codec,
3511 const struct hda_input_mux *imux,
3512 struct snd_ctl_elem_value *ucontrol,
3514 unsigned int *cur_val)
3518 if (!imux->num_items)
3520 idx = ucontrol->value.enumerated.item[0];
3521 if (idx >= imux->num_items)
3522 idx = imux->num_items - 1;
3523 if (*cur_val == idx)
3525 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
3526 imux->items[idx].index);
3530 EXPORT_SYMBOL_GPL(snd_hda_input_mux_put);
3534 * snd_hda_enum_helper_info - Helper for simple enum ctls
3535 * @kcontrol: ctl element
3536 * @uinfo: pointer to get/store the data
3537 * @num_items: number of enum items
3538 * @texts: enum item string array
3540 * process kcontrol info callback of a simple string enum array
3541 * when @num_items is 0 or @texts is NULL, assume a boolean enum array
3543 int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
3544 struct snd_ctl_elem_info *uinfo,
3545 int num_items, const char * const *texts)
3547 static const char * const texts_default[] = {
3548 "Disabled", "Enabled"
3551 if (!texts || !num_items) {
3553 texts = texts_default;
3556 return snd_ctl_enum_info(uinfo, 1, num_items, texts);
3558 EXPORT_SYMBOL_GPL(snd_hda_enum_helper_info);
3561 * Multi-channel / digital-out PCM helper functions
3564 /* setup SPDIF output stream */
3565 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
3566 unsigned int stream_tag, unsigned int format)
3568 struct hda_spdif_out *spdif;
3569 unsigned int curr_fmt;
3572 spdif = snd_hda_spdif_out_of_nid(codec, nid);
3573 /* Add sanity check to pass klockwork check.
3574 * This should never happen.
3576 if (WARN_ON(spdif == NULL))
3579 curr_fmt = snd_hda_codec_read(codec, nid, 0,
3580 AC_VERB_GET_STREAM_FORMAT, 0);
3581 reset = codec->spdif_status_reset &&
3582 (spdif->ctls & AC_DIG1_ENABLE) &&
3585 /* turn off SPDIF if needed; otherwise the IEC958 bits won't be
3588 set_dig_out_convert(codec, nid,
3589 spdif->ctls & ~AC_DIG1_ENABLE & 0xff,
3591 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
3592 if (codec->follower_dig_outs) {
3594 for (d = codec->follower_dig_outs; *d; d++)
3595 snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
3598 /* turn on again (if needed) */
3600 set_dig_out_convert(codec, nid,
3601 spdif->ctls & 0xff, -1);
3604 static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
3606 snd_hda_codec_cleanup_stream(codec, nid);
3607 if (codec->follower_dig_outs) {
3609 for (d = codec->follower_dig_outs; *d; d++)
3610 snd_hda_codec_cleanup_stream(codec, *d);
3615 * snd_hda_multi_out_dig_open - open the digital out in the exclusive mode
3616 * @codec: the HDA codec
3617 * @mout: hda_multi_out object
3619 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
3620 struct hda_multi_out *mout)
3622 mutex_lock(&codec->spdif_mutex);
3623 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
3624 /* already opened as analog dup; reset it once */
3625 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3626 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
3627 mutex_unlock(&codec->spdif_mutex);
3630 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_open);
3633 * snd_hda_multi_out_dig_prepare - prepare the digital out stream
3634 * @codec: the HDA codec
3635 * @mout: hda_multi_out object
3636 * @stream_tag: stream tag to assign
3637 * @format: format id to assign
3638 * @substream: PCM substream to assign
3640 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
3641 struct hda_multi_out *mout,
3642 unsigned int stream_tag,
3643 unsigned int format,
3644 struct snd_pcm_substream *substream)
3646 mutex_lock(&codec->spdif_mutex);
3647 setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
3648 mutex_unlock(&codec->spdif_mutex);
3651 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_prepare);
3654 * snd_hda_multi_out_dig_cleanup - clean-up the digital out stream
3655 * @codec: the HDA codec
3656 * @mout: hda_multi_out object
3658 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
3659 struct hda_multi_out *mout)
3661 mutex_lock(&codec->spdif_mutex);
3662 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3663 mutex_unlock(&codec->spdif_mutex);
3666 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_cleanup);
3669 * snd_hda_multi_out_dig_close - release the digital out stream
3670 * @codec: the HDA codec
3671 * @mout: hda_multi_out object
3673 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
3674 struct hda_multi_out *mout)
3676 mutex_lock(&codec->spdif_mutex);
3677 mout->dig_out_used = 0;
3678 mutex_unlock(&codec->spdif_mutex);
3681 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_close);
3684 * snd_hda_multi_out_analog_open - open analog outputs
3685 * @codec: the HDA codec
3686 * @mout: hda_multi_out object
3687 * @substream: PCM substream to assign
3688 * @hinfo: PCM information to assign
3690 * Open analog outputs and set up the hw-constraints.
3691 * If the digital outputs can be opened as follower, open the digital
3694 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
3695 struct hda_multi_out *mout,
3696 struct snd_pcm_substream *substream,
3697 struct hda_pcm_stream *hinfo)
3699 struct snd_pcm_runtime *runtime = substream->runtime;
3700 runtime->hw.channels_max = mout->max_channels;
3701 if (mout->dig_out_nid) {
3702 if (!mout->analog_rates) {
3703 mout->analog_rates = hinfo->rates;
3704 mout->analog_formats = hinfo->formats;
3705 mout->analog_maxbps = hinfo->maxbps;
3707 runtime->hw.rates = mout->analog_rates;
3708 runtime->hw.formats = mout->analog_formats;
3709 hinfo->maxbps = mout->analog_maxbps;
3711 if (!mout->spdif_rates) {
3712 snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
3714 &mout->spdif_formats,
3715 &mout->spdif_maxbps);
3717 mutex_lock(&codec->spdif_mutex);
3718 if (mout->share_spdif) {
3719 if ((runtime->hw.rates & mout->spdif_rates) &&
3720 (runtime->hw.formats & mout->spdif_formats)) {
3721 runtime->hw.rates &= mout->spdif_rates;
3722 runtime->hw.formats &= mout->spdif_formats;
3723 if (mout->spdif_maxbps < hinfo->maxbps)
3724 hinfo->maxbps = mout->spdif_maxbps;
3726 mout->share_spdif = 0;
3727 /* FIXME: need notify? */
3730 mutex_unlock(&codec->spdif_mutex);
3732 return snd_pcm_hw_constraint_step(substream->runtime, 0,
3733 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
3735 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_open);
3738 * snd_hda_multi_out_analog_prepare - Preapre the analog outputs.
3739 * @codec: the HDA codec
3740 * @mout: hda_multi_out object
3741 * @stream_tag: stream tag to assign
3742 * @format: format id to assign
3743 * @substream: PCM substream to assign
3745 * Set up the i/o for analog out.
3746 * When the digital out is available, copy the front out to digital out, too.
3748 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
3749 struct hda_multi_out *mout,
3750 unsigned int stream_tag,
3751 unsigned int format,
3752 struct snd_pcm_substream *substream)
3754 const hda_nid_t *nids = mout->dac_nids;
3755 int chs = substream->runtime->channels;
3756 struct hda_spdif_out *spdif;
3759 mutex_lock(&codec->spdif_mutex);
3760 spdif = snd_hda_spdif_out_of_nid(codec, mout->dig_out_nid);
3761 if (mout->dig_out_nid && mout->share_spdif &&
3762 mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
3763 if (chs == 2 && spdif != NULL &&
3764 snd_hda_is_supported_format(codec, mout->dig_out_nid,
3766 !(spdif->status & IEC958_AES0_NONAUDIO)) {
3767 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
3768 setup_dig_out_stream(codec, mout->dig_out_nid,
3769 stream_tag, format);
3771 mout->dig_out_used = 0;
3772 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3775 mutex_unlock(&codec->spdif_mutex);
3778 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
3780 if (!mout->no_share_stream &&
3781 mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
3782 /* headphone out will just decode front left/right (stereo) */
3783 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
3785 /* extra outputs copied from front */
3786 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3787 if (!mout->no_share_stream && mout->hp_out_nid[i])
3788 snd_hda_codec_setup_stream(codec,
3789 mout->hp_out_nid[i],
3790 stream_tag, 0, format);
3793 for (i = 1; i < mout->num_dacs; i++) {
3794 if (chs >= (i + 1) * 2) /* independent out */
3795 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3797 else if (!mout->no_share_stream) /* copy front */
3798 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3802 /* extra surrounds */
3803 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) {
3805 if (!mout->extra_out_nid[i])
3807 if (chs >= (i + 1) * 2)
3809 else if (!mout->no_share_stream)
3811 snd_hda_codec_setup_stream(codec, mout->extra_out_nid[i],
3812 stream_tag, ch, format);
3817 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_prepare);
3820 * snd_hda_multi_out_analog_cleanup - clean up the setting for analog out
3821 * @codec: the HDA codec
3822 * @mout: hda_multi_out object
3824 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
3825 struct hda_multi_out *mout)
3827 const hda_nid_t *nids = mout->dac_nids;
3830 for (i = 0; i < mout->num_dacs; i++)
3831 snd_hda_codec_cleanup_stream(codec, nids[i]);
3833 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
3834 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3835 if (mout->hp_out_nid[i])
3836 snd_hda_codec_cleanup_stream(codec,
3837 mout->hp_out_nid[i]);
3838 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
3839 if (mout->extra_out_nid[i])
3840 snd_hda_codec_cleanup_stream(codec,
3841 mout->extra_out_nid[i]);
3842 mutex_lock(&codec->spdif_mutex);
3843 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
3844 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3845 mout->dig_out_used = 0;
3847 mutex_unlock(&codec->spdif_mutex);
3850 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_cleanup);
3853 * snd_hda_get_default_vref - Get the default (mic) VREF pin bits
3854 * @codec: the HDA codec
3855 * @pin: referred pin NID
3857 * Guess the suitable VREF pin bits to be set as the pin-control value.
3858 * Note: the function doesn't set the AC_PINCTL_IN_EN bit.
3860 unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin)
3862 unsigned int pincap;
3863 unsigned int oldval;
3864 oldval = snd_hda_codec_read(codec, pin, 0,
3865 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
3866 pincap = snd_hda_query_pin_caps(codec, pin);
3867 pincap = (pincap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3868 /* Exception: if the default pin setup is vref50, we give it priority */
3869 if ((pincap & AC_PINCAP_VREF_80) && oldval != PIN_VREF50)
3870 return AC_PINCTL_VREF_80;
3871 else if (pincap & AC_PINCAP_VREF_50)
3872 return AC_PINCTL_VREF_50;
3873 else if (pincap & AC_PINCAP_VREF_100)
3874 return AC_PINCTL_VREF_100;
3875 else if (pincap & AC_PINCAP_VREF_GRD)
3876 return AC_PINCTL_VREF_GRD;
3877 return AC_PINCTL_VREF_HIZ;
3879 EXPORT_SYMBOL_GPL(snd_hda_get_default_vref);
3882 * snd_hda_correct_pin_ctl - correct the pin ctl value for matching with the pin cap
3883 * @codec: the HDA codec
3884 * @pin: referred pin NID
3885 * @val: pin ctl value to audit
3887 unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
3888 hda_nid_t pin, unsigned int val)
3890 static const unsigned int cap_lists[][2] = {
3891 { AC_PINCTL_VREF_100, AC_PINCAP_VREF_100 },
3892 { AC_PINCTL_VREF_80, AC_PINCAP_VREF_80 },
3893 { AC_PINCTL_VREF_50, AC_PINCAP_VREF_50 },
3894 { AC_PINCTL_VREF_GRD, AC_PINCAP_VREF_GRD },
3900 cap = snd_hda_query_pin_caps(codec, pin);
3902 return val; /* don't know what to do... */
3904 if (val & AC_PINCTL_OUT_EN) {
3905 if (!(cap & AC_PINCAP_OUT))
3906 val &= ~(AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN);
3907 else if ((val & AC_PINCTL_HP_EN) && !(cap & AC_PINCAP_HP_DRV))
3908 val &= ~AC_PINCTL_HP_EN;
3911 if (val & AC_PINCTL_IN_EN) {
3912 if (!(cap & AC_PINCAP_IN))
3913 val &= ~(AC_PINCTL_IN_EN | AC_PINCTL_VREFEN);
3915 unsigned int vcap, vref;
3917 vcap = (cap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3918 vref = val & AC_PINCTL_VREFEN;
3919 for (i = 0; i < ARRAY_SIZE(cap_lists); i++) {
3920 if (vref == cap_lists[i][0] &&
3921 !(vcap & cap_lists[i][1])) {
3922 if (i == ARRAY_SIZE(cap_lists) - 1)
3923 vref = AC_PINCTL_VREF_HIZ;
3925 vref = cap_lists[i + 1][0];
3928 val &= ~AC_PINCTL_VREFEN;
3935 EXPORT_SYMBOL_GPL(snd_hda_correct_pin_ctl);
3938 * _snd_hda_pin_ctl - Helper to set pin ctl value
3939 * @codec: the HDA codec
3940 * @pin: referred pin NID
3941 * @val: pin control value to set
3942 * @cached: access over codec pinctl cache or direct write
3944 * This function is a helper to set a pin ctl value more safely.
3945 * It corrects the pin ctl value via snd_hda_correct_pin_ctl(), stores the
3946 * value in pin target array via snd_hda_codec_set_pin_target(), then
3947 * actually writes the value via either snd_hda_codec_write_cache() or
3948 * snd_hda_codec_write() depending on @cached flag.
3950 int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
3951 unsigned int val, bool cached)
3953 val = snd_hda_correct_pin_ctl(codec, pin, val);
3954 snd_hda_codec_set_pin_target(codec, pin, val);
3956 return snd_hda_codec_write_cache(codec, pin, 0,
3957 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3959 return snd_hda_codec_write(codec, pin, 0,
3960 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3962 EXPORT_SYMBOL_GPL(_snd_hda_set_pin_ctl);
3965 * snd_hda_add_imux_item - Add an item to input_mux
3966 * @codec: the HDA codec
3967 * @imux: imux helper object
3968 * @label: the name of imux item to assign
3969 * @index: index number of imux item to assign
3970 * @type_idx: pointer to store the resultant label index
3972 * When the same label is used already in the existing items, the number
3973 * suffix is appended to the label. This label index number is stored
3974 * to type_idx when non-NULL pointer is given.
3976 int snd_hda_add_imux_item(struct hda_codec *codec,
3977 struct hda_input_mux *imux, const char *label,
3978 int index, int *type_idx)
3980 int i, label_idx = 0;
3981 if (imux->num_items >= HDA_MAX_NUM_INPUTS) {
3982 codec_err(codec, "hda_codec: Too many imux items!\n");
3985 for (i = 0; i < imux->num_items; i++) {
3986 if (!strncmp(label, imux->items[i].label, strlen(label)))
3990 *type_idx = label_idx;
3992 snprintf(imux->items[imux->num_items].label,
3993 sizeof(imux->items[imux->num_items].label),
3994 "%s %d", label, label_idx);
3996 strlcpy(imux->items[imux->num_items].label, label,
3997 sizeof(imux->items[imux->num_items].label));
3998 imux->items[imux->num_items].index = index;
4002 EXPORT_SYMBOL_GPL(snd_hda_add_imux_item);
4005 * snd_hda_bus_reset_codecs - Reset the bus
4006 * @bus: HD-audio bus
4008 void snd_hda_bus_reset_codecs(struct hda_bus *bus)
4010 struct hda_codec *codec;
4012 list_for_each_codec(codec, bus) {
4013 /* FIXME: maybe a better way needed for forced reset */
4014 if (current_work() != &codec->jackpoll_work.work)
4015 cancel_delayed_work_sync(&codec->jackpoll_work);
4017 if (hda_codec_is_power_on(codec)) {
4018 hda_call_codec_suspend(codec);
4019 hda_call_codec_resume(codec);
4026 * snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer
4027 * @pcm: PCM caps bits
4028 * @buf: the string buffer to write
4029 * @buflen: the max buffer length
4031 * used by hda_proc.c and hda_eld.c
4033 void snd_print_pcm_bits(int pcm, char *buf, int buflen)
4035 static const unsigned int bits[] = { 8, 16, 20, 24, 32 };
4038 for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++)
4039 if (pcm & (AC_SUPPCM_BITS_8 << i))
4040 j += scnprintf(buf + j, buflen - j, " %d", bits[i]);
4042 buf[j] = '\0'; /* necessary when j == 0 */
4044 EXPORT_SYMBOL_GPL(snd_print_pcm_bits);
4046 MODULE_DESCRIPTION("HDA codec core");
4047 MODULE_LICENSE("GPL");