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);
1003 /* PM runtime needs to be enabled later after binding codec */
1004 pm_runtime_forbid(&codec->core.dev);
1009 put_device(hda_codec_dev(codec));
1012 EXPORT_SYMBOL_GPL(snd_hda_codec_device_new);
1015 * snd_hda_codec_update_widgets - Refresh widget caps and pin defaults
1016 * @codec: the HDA codec
1018 * Forcibly refresh the all widget caps and the init pin configurations of
1021 int snd_hda_codec_update_widgets(struct hda_codec *codec)
1026 err = snd_hdac_refresh_widgets(&codec->core);
1030 /* Assume the function group node does not change,
1031 * only the widget nodes may change.
1033 kfree(codec->wcaps);
1034 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
1035 err = read_widget_caps(codec, fg);
1039 snd_array_free(&codec->init_pins);
1040 err = read_pin_defaults(codec);
1044 EXPORT_SYMBOL_GPL(snd_hda_codec_update_widgets);
1046 /* update the stream-id if changed */
1047 static void update_pcm_stream_id(struct hda_codec *codec,
1048 struct hda_cvt_setup *p, hda_nid_t nid,
1049 u32 stream_tag, int channel_id)
1051 unsigned int oldval, newval;
1053 if (p->stream_tag != stream_tag || p->channel_id != channel_id) {
1054 oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
1055 newval = (stream_tag << 4) | channel_id;
1056 if (oldval != newval)
1057 snd_hda_codec_write(codec, nid, 0,
1058 AC_VERB_SET_CHANNEL_STREAMID,
1060 p->stream_tag = stream_tag;
1061 p->channel_id = channel_id;
1065 /* update the format-id if changed */
1066 static void update_pcm_format(struct hda_codec *codec, struct hda_cvt_setup *p,
1067 hda_nid_t nid, int format)
1069 unsigned int oldval;
1071 if (p->format_id != format) {
1072 oldval = snd_hda_codec_read(codec, nid, 0,
1073 AC_VERB_GET_STREAM_FORMAT, 0);
1074 if (oldval != format) {
1076 snd_hda_codec_write(codec, nid, 0,
1077 AC_VERB_SET_STREAM_FORMAT,
1080 p->format_id = format;
1085 * snd_hda_codec_setup_stream - set up the codec for streaming
1086 * @codec: the CODEC to set up
1087 * @nid: the NID to set up
1088 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
1089 * @channel_id: channel id to pass, zero based.
1090 * @format: stream format.
1092 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
1094 int channel_id, int format)
1096 struct hda_codec *c;
1097 struct hda_cvt_setup *p;
1105 "hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
1106 nid, stream_tag, channel_id, format);
1107 p = get_hda_cvt_setup(codec, nid);
1111 if (codec->patch_ops.stream_pm)
1112 codec->patch_ops.stream_pm(codec, nid, true);
1113 if (codec->pcm_format_first)
1114 update_pcm_format(codec, p, nid, format);
1115 update_pcm_stream_id(codec, p, nid, stream_tag, channel_id);
1116 if (!codec->pcm_format_first)
1117 update_pcm_format(codec, p, nid, format);
1122 /* make other inactive cvts with the same stream-tag dirty */
1123 type = get_wcaps_type(get_wcaps(codec, nid));
1124 list_for_each_codec(c, codec->bus) {
1125 snd_array_for_each(&c->cvt_setups, i, p) {
1126 if (!p->active && p->stream_tag == stream_tag &&
1127 get_wcaps_type(get_wcaps(c, p->nid)) == type)
1132 EXPORT_SYMBOL_GPL(snd_hda_codec_setup_stream);
1134 static void really_cleanup_stream(struct hda_codec *codec,
1135 struct hda_cvt_setup *q);
1138 * __snd_hda_codec_cleanup_stream - clean up the codec for closing
1139 * @codec: the CODEC to clean up
1140 * @nid: the NID to clean up
1141 * @do_now: really clean up the stream instead of clearing the active flag
1143 void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
1146 struct hda_cvt_setup *p;
1151 if (codec->no_sticky_stream)
1154 codec_dbg(codec, "hda_codec_cleanup_stream: NID=0x%x\n", nid);
1155 p = get_hda_cvt_setup(codec, nid);
1157 /* here we just clear the active flag when do_now isn't set;
1158 * actual clean-ups will be done later in
1159 * purify_inactive_streams() called from snd_hda_codec_prpapre()
1162 really_cleanup_stream(codec, p);
1167 EXPORT_SYMBOL_GPL(__snd_hda_codec_cleanup_stream);
1169 static void really_cleanup_stream(struct hda_codec *codec,
1170 struct hda_cvt_setup *q)
1172 hda_nid_t nid = q->nid;
1173 if (q->stream_tag || q->channel_id)
1174 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1176 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0
1178 memset(q, 0, sizeof(*q));
1180 if (codec->patch_ops.stream_pm)
1181 codec->patch_ops.stream_pm(codec, nid, false);
1184 /* clean up the all conflicting obsolete streams */
1185 static void purify_inactive_streams(struct hda_codec *codec)
1187 struct hda_codec *c;
1188 struct hda_cvt_setup *p;
1191 list_for_each_codec(c, codec->bus) {
1192 snd_array_for_each(&c->cvt_setups, i, p) {
1194 really_cleanup_stream(c, p);
1200 /* clean up all streams; called from suspend */
1201 static void hda_cleanup_all_streams(struct hda_codec *codec)
1203 struct hda_cvt_setup *p;
1206 snd_array_for_each(&codec->cvt_setups, i, p) {
1208 really_cleanup_stream(codec, p);
1214 * amp access functions
1218 * query_amp_caps - query AMP capabilities
1219 * @codec: the HD-auio codec
1220 * @nid: the NID to query
1221 * @direction: either #HDA_INPUT or #HDA_OUTPUT
1223 * Query AMP capabilities for the given widget and direction.
1224 * Returns the obtained capability bits.
1226 * When cap bits have been already read, this doesn't read again but
1227 * returns the cached value.
1229 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
1231 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
1232 nid = codec->core.afg;
1233 return snd_hda_param_read(codec, nid,
1234 direction == HDA_OUTPUT ?
1235 AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
1237 EXPORT_SYMBOL_GPL(query_amp_caps);
1240 * snd_hda_check_amp_caps - query AMP capabilities
1241 * @codec: the HD-audio codec
1242 * @nid: the NID to query
1243 * @dir: either #HDA_INPUT or #HDA_OUTPUT
1244 * @bits: bit mask to check the result
1246 * Check whether the widget has the given amp capability for the direction.
1248 bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
1249 int dir, unsigned int bits)
1253 if (get_wcaps(codec, nid) & (1 << (dir + 1)))
1254 if (query_amp_caps(codec, nid, dir) & bits)
1258 EXPORT_SYMBOL_GPL(snd_hda_check_amp_caps);
1261 * snd_hda_override_amp_caps - Override the AMP capabilities
1262 * @codec: the CODEC to clean up
1263 * @nid: the NID to clean up
1264 * @dir: either #HDA_INPUT or #HDA_OUTPUT
1265 * @caps: the capability bits to set
1267 * Override the cached AMP caps bits value by the given one.
1268 * This function is useful if the driver needs to adjust the AMP ranges,
1269 * e.g. limit to 0dB, etc.
1271 * Returns zero if successful or a negative error code.
1273 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
1278 snd_hda_override_wcaps(codec, nid,
1279 get_wcaps(codec, nid) | AC_WCAP_AMP_OVRD);
1280 parm = dir == HDA_OUTPUT ? AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP;
1281 return snd_hdac_override_parm(&codec->core, nid, parm, caps);
1283 EXPORT_SYMBOL_GPL(snd_hda_override_amp_caps);
1285 static unsigned int encode_amp(struct hda_codec *codec, hda_nid_t nid,
1286 int ch, int dir, int idx)
1288 unsigned int cmd = snd_hdac_regmap_encode_amp(nid, ch, dir, idx);
1290 /* enable fake mute if no h/w mute but min=mute */
1291 if ((query_amp_caps(codec, nid, dir) &
1292 (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) == AC_AMPCAP_MIN_MUTE)
1293 cmd |= AC_AMP_FAKE_MUTE;
1298 * snd_hda_codec_amp_update - update the AMP mono value
1299 * @codec: HD-audio codec
1300 * @nid: NID to read the AMP value
1301 * @ch: channel to update (0 or 1)
1302 * @dir: #HDA_INPUT or #HDA_OUTPUT
1303 * @idx: the index value (only for input direction)
1304 * @mask: bit mask to set
1305 * @val: the bits value to set
1307 * Update the AMP values for the given channel, direction and index.
1309 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid,
1310 int ch, int dir, int idx, int mask, int val)
1312 unsigned int cmd = encode_amp(codec, nid, ch, dir, idx);
1314 return snd_hdac_regmap_update_raw(&codec->core, cmd, mask, val);
1316 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_update);
1319 * snd_hda_codec_amp_stereo - update the AMP stereo values
1320 * @codec: HD-audio codec
1321 * @nid: NID to read the AMP value
1322 * @direction: #HDA_INPUT or #HDA_OUTPUT
1323 * @idx: the index value (only for input direction)
1324 * @mask: bit mask to set
1325 * @val: the bits value to set
1327 * Update the AMP values like snd_hda_codec_amp_update(), but for a
1328 * stereo widget with the same mask and value.
1330 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
1331 int direction, int idx, int mask, int val)
1335 if (snd_BUG_ON(mask & ~0xff))
1337 for (ch = 0; ch < 2; ch++)
1338 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
1342 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_stereo);
1345 * snd_hda_codec_amp_init - initialize the AMP value
1346 * @codec: the HDA codec
1347 * @nid: NID to read the AMP value
1348 * @ch: channel (left=0 or right=1)
1349 * @dir: #HDA_INPUT or #HDA_OUTPUT
1350 * @idx: the index value (only for input direction)
1351 * @mask: bit mask to set
1352 * @val: the bits value to set
1354 * Works like snd_hda_codec_amp_update() but it writes the value only at
1355 * the first access. If the amp was already initialized / updated beforehand,
1356 * this does nothing.
1358 int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
1359 int dir, int idx, int mask, int val)
1361 unsigned int cmd = encode_amp(codec, nid, ch, dir, idx);
1363 if (!codec->core.regmap)
1365 return snd_hdac_regmap_update_raw_once(&codec->core, cmd, mask, val);
1367 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init);
1370 * snd_hda_codec_amp_init_stereo - initialize the stereo AMP value
1371 * @codec: the HDA codec
1372 * @nid: NID to read the AMP value
1373 * @dir: #HDA_INPUT or #HDA_OUTPUT
1374 * @idx: the index value (only for input direction)
1375 * @mask: bit mask to set
1376 * @val: the bits value to set
1378 * Call snd_hda_codec_amp_init() for both stereo channels.
1380 int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
1381 int dir, int idx, int mask, int val)
1385 if (snd_BUG_ON(mask & ~0xff))
1387 for (ch = 0; ch < 2; ch++)
1388 ret |= snd_hda_codec_amp_init(codec, nid, ch, dir,
1392 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init_stereo);
1394 static u32 get_amp_max_value(struct hda_codec *codec, hda_nid_t nid, int dir,
1397 u32 caps = query_amp_caps(codec, nid, dir);
1399 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1406 * snd_hda_mixer_amp_volume_info - Info callback for a standard AMP mixer
1407 * @kcontrol: referred ctl element
1408 * @uinfo: pointer to get/store the data
1410 * The control element is supposed to have the private_value field
1411 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1413 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
1414 struct snd_ctl_elem_info *uinfo)
1416 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1417 u16 nid = get_amp_nid(kcontrol);
1418 u8 chs = get_amp_channels(kcontrol);
1419 int dir = get_amp_direction(kcontrol);
1420 unsigned int ofs = get_amp_offset(kcontrol);
1422 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1423 uinfo->count = chs == 3 ? 2 : 1;
1424 uinfo->value.integer.min = 0;
1425 uinfo->value.integer.max = get_amp_max_value(codec, nid, dir, ofs);
1426 if (!uinfo->value.integer.max) {
1428 "num_steps = 0 for NID=0x%x (ctl = %s)\n",
1429 nid, kcontrol->id.name);
1434 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_info);
1437 static inline unsigned int
1438 read_amp_value(struct hda_codec *codec, hda_nid_t nid,
1439 int ch, int dir, int idx, unsigned int ofs)
1442 val = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
1443 val &= HDA_AMP_VOLMASK;
1452 update_amp_value(struct hda_codec *codec, hda_nid_t nid,
1453 int ch, int dir, int idx, unsigned int ofs,
1456 unsigned int maxval;
1460 /* ofs = 0: raw max value */
1461 maxval = get_amp_max_value(codec, nid, dir, 0);
1464 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx,
1465 HDA_AMP_VOLMASK, val);
1469 * snd_hda_mixer_amp_volume_get - Get callback for a standard AMP mixer volume
1470 * @kcontrol: ctl element
1471 * @ucontrol: pointer to get/store the data
1473 * The control element is supposed to have the private_value field
1474 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1476 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
1477 struct snd_ctl_elem_value *ucontrol)
1479 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1480 hda_nid_t nid = get_amp_nid(kcontrol);
1481 int chs = get_amp_channels(kcontrol);
1482 int dir = get_amp_direction(kcontrol);
1483 int idx = get_amp_index(kcontrol);
1484 unsigned int ofs = get_amp_offset(kcontrol);
1485 long *valp = ucontrol->value.integer.value;
1488 *valp++ = read_amp_value(codec, nid, 0, dir, idx, ofs);
1490 *valp = read_amp_value(codec, nid, 1, dir, idx, ofs);
1493 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_get);
1496 * snd_hda_mixer_amp_volume_put - Put callback for a standard AMP mixer volume
1497 * @kcontrol: ctl element
1498 * @ucontrol: pointer to get/store the data
1500 * The control element is supposed to have the private_value field
1501 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1503 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1504 struct snd_ctl_elem_value *ucontrol)
1506 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1507 hda_nid_t nid = get_amp_nid(kcontrol);
1508 int chs = get_amp_channels(kcontrol);
1509 int dir = get_amp_direction(kcontrol);
1510 int idx = get_amp_index(kcontrol);
1511 unsigned int ofs = get_amp_offset(kcontrol);
1512 long *valp = ucontrol->value.integer.value;
1516 change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp);
1520 change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp);
1523 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_put);
1525 /* inquiry the amp caps and convert to TLV */
1526 static void get_ctl_amp_tlv(struct snd_kcontrol *kcontrol, unsigned int *tlv)
1528 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1529 hda_nid_t nid = get_amp_nid(kcontrol);
1530 int dir = get_amp_direction(kcontrol);
1531 unsigned int ofs = get_amp_offset(kcontrol);
1532 bool min_mute = get_amp_min_mute(kcontrol);
1533 u32 caps, val1, val2;
1535 caps = query_amp_caps(codec, nid, dir);
1536 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1537 val2 = (val2 + 1) * 25;
1538 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1540 val1 = ((int)val1) * ((int)val2);
1541 if (min_mute || (caps & AC_AMPCAP_MIN_MUTE))
1542 val2 |= TLV_DB_SCALE_MUTE;
1543 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1544 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1545 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = val1;
1546 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = val2;
1550 * snd_hda_mixer_amp_tlv - TLV callback for a standard AMP mixer volume
1551 * @kcontrol: ctl element
1552 * @op_flag: operation flag
1553 * @size: byte size of input TLV
1556 * The control element is supposed to have the private_value field
1557 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1559 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1560 unsigned int size, unsigned int __user *_tlv)
1562 unsigned int tlv[4];
1564 if (size < 4 * sizeof(unsigned int))
1566 get_ctl_amp_tlv(kcontrol, tlv);
1567 if (copy_to_user(_tlv, tlv, sizeof(tlv)))
1571 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_tlv);
1574 * snd_hda_set_vmaster_tlv - Set TLV for a virtual master control
1575 * @codec: HD-audio codec
1576 * @nid: NID of a reference widget
1577 * @dir: #HDA_INPUT or #HDA_OUTPUT
1578 * @tlv: TLV data to be stored, at least 4 elements
1580 * Set (static) TLV data for a virtual master volume using the AMP caps
1581 * obtained from the reference NID.
1582 * The volume range is recalculated as if the max volume is 0dB.
1584 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1590 caps = query_amp_caps(codec, nid, dir);
1591 nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1592 step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1593 step = (step + 1) * 25;
1594 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1595 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1596 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = -nums * step;
1597 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = step;
1599 EXPORT_SYMBOL_GPL(snd_hda_set_vmaster_tlv);
1601 /* find a mixer control element with the given name */
1602 static struct snd_kcontrol *
1603 find_mixer_ctl(struct hda_codec *codec, const char *name, int dev, int idx)
1605 struct snd_ctl_elem_id id;
1606 memset(&id, 0, sizeof(id));
1607 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1610 if (snd_BUG_ON(strlen(name) >= sizeof(id.name)))
1612 strcpy(id.name, name);
1613 return snd_ctl_find_id(codec->card, &id);
1617 * snd_hda_find_mixer_ctl - Find a mixer control element with the given name
1618 * @codec: HD-audio codec
1619 * @name: ctl id name string
1621 * Get the control element with the given id string and IFACE_MIXER.
1623 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1626 return find_mixer_ctl(codec, name, 0, 0);
1628 EXPORT_SYMBOL_GPL(snd_hda_find_mixer_ctl);
1630 static int find_empty_mixer_ctl_idx(struct hda_codec *codec, const char *name,
1634 /* 16 ctlrs should be large enough */
1635 for (i = 0, idx = start_idx; i < 16; i++, idx++) {
1636 if (!find_mixer_ctl(codec, name, 0, idx))
1643 * snd_hda_ctl_add - Add a control element and assign to the codec
1644 * @codec: HD-audio codec
1645 * @nid: corresponding NID (optional)
1646 * @kctl: the control element to assign
1648 * Add the given control element to an array inside the codec instance.
1649 * All control elements belonging to a codec are supposed to be added
1650 * by this function so that a proper clean-up works at the free or
1651 * reconfiguration time.
1653 * If non-zero @nid is passed, the NID is assigned to the control element.
1654 * The assignment is shown in the codec proc file.
1656 * snd_hda_ctl_add() checks the control subdev id field whether
1657 * #HDA_SUBDEV_NID_FLAG bit is set. If set (and @nid is zero), the lower
1658 * bits value is taken as the NID to assign. The #HDA_NID_ITEM_AMP bit
1659 * specifies if kctl->private_value is a HDA amplifier value.
1661 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
1662 struct snd_kcontrol *kctl)
1665 unsigned short flags = 0;
1666 struct hda_nid_item *item;
1668 if (kctl->id.subdevice & HDA_SUBDEV_AMP_FLAG) {
1669 flags |= HDA_NID_ITEM_AMP;
1671 nid = get_amp_nid_(kctl->private_value);
1673 if ((kctl->id.subdevice & HDA_SUBDEV_NID_FLAG) != 0 && nid == 0)
1674 nid = kctl->id.subdevice & 0xffff;
1675 if (kctl->id.subdevice & (HDA_SUBDEV_NID_FLAG|HDA_SUBDEV_AMP_FLAG))
1676 kctl->id.subdevice = 0;
1677 err = snd_ctl_add(codec->card, kctl);
1680 item = snd_array_new(&codec->mixers);
1685 item->flags = flags;
1688 EXPORT_SYMBOL_GPL(snd_hda_ctl_add);
1691 * snd_hda_add_nid - Assign a NID to a control element
1692 * @codec: HD-audio codec
1693 * @nid: corresponding NID (optional)
1694 * @kctl: the control element to assign
1695 * @index: index to kctl
1697 * Add the given control element to an array inside the codec instance.
1698 * This function is used when #snd_hda_ctl_add cannot be used for 1:1
1699 * NID:KCTL mapping - for example "Capture Source" selector.
1701 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
1702 unsigned int index, hda_nid_t nid)
1704 struct hda_nid_item *item;
1707 item = snd_array_new(&codec->nids);
1711 item->index = index;
1715 codec_err(codec, "no NID for mapping control %s:%d:%d\n",
1716 kctl->id.name, kctl->id.index, index);
1719 EXPORT_SYMBOL_GPL(snd_hda_add_nid);
1722 * snd_hda_ctls_clear - Clear all controls assigned to the given codec
1723 * @codec: HD-audio codec
1725 void snd_hda_ctls_clear(struct hda_codec *codec)
1728 struct hda_nid_item *items = codec->mixers.list;
1729 for (i = 0; i < codec->mixers.used; i++)
1730 snd_ctl_remove(codec->card, items[i].kctl);
1731 snd_array_free(&codec->mixers);
1732 snd_array_free(&codec->nids);
1736 * snd_hda_lock_devices - pseudo device locking
1739 * toggle card->shutdown to allow/disallow the device access (as a hack)
1741 int snd_hda_lock_devices(struct hda_bus *bus)
1743 struct snd_card *card = bus->card;
1744 struct hda_codec *codec;
1746 spin_lock(&card->files_lock);
1750 if (!list_empty(&card->ctl_files))
1753 list_for_each_codec(codec, bus) {
1754 struct hda_pcm *cpcm;
1755 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
1758 if (cpcm->pcm->streams[0].substream_opened ||
1759 cpcm->pcm->streams[1].substream_opened)
1763 spin_unlock(&card->files_lock);
1769 spin_unlock(&card->files_lock);
1772 EXPORT_SYMBOL_GPL(snd_hda_lock_devices);
1775 * snd_hda_unlock_devices - pseudo device unlocking
1778 void snd_hda_unlock_devices(struct hda_bus *bus)
1780 struct snd_card *card = bus->card;
1782 spin_lock(&card->files_lock);
1784 spin_unlock(&card->files_lock);
1786 EXPORT_SYMBOL_GPL(snd_hda_unlock_devices);
1789 * snd_hda_codec_reset - Clear all objects assigned to the codec
1790 * @codec: HD-audio codec
1792 * This frees the all PCM and control elements assigned to the codec, and
1793 * clears the caches and restores the pin default configurations.
1795 * When a device is being used, it returns -EBSY. If successfully freed,
1798 int snd_hda_codec_reset(struct hda_codec *codec)
1800 struct hda_bus *bus = codec->bus;
1802 if (snd_hda_lock_devices(bus) < 0)
1805 /* OK, let it free */
1806 snd_hdac_device_unregister(&codec->core);
1808 /* allow device access again */
1809 snd_hda_unlock_devices(bus);
1813 typedef int (*map_follower_func_t)(struct hda_codec *, void *, struct snd_kcontrol *);
1815 /* apply the function to all matching follower ctls in the mixer list */
1816 static int map_followers(struct hda_codec *codec, const char * const *followers,
1817 const char *suffix, map_follower_func_t func, void *data)
1819 struct hda_nid_item *items;
1820 const char * const *s;
1823 items = codec->mixers.list;
1824 for (i = 0; i < codec->mixers.used; i++) {
1825 struct snd_kcontrol *sctl = items[i].kctl;
1826 if (!sctl || sctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER)
1828 for (s = followers; *s; s++) {
1829 char tmpname[sizeof(sctl->id.name)];
1830 const char *name = *s;
1832 snprintf(tmpname, sizeof(tmpname), "%s %s",
1836 if (!strcmp(sctl->id.name, name)) {
1837 err = func(codec, data, sctl);
1847 static int check_follower_present(struct hda_codec *codec,
1848 void *data, struct snd_kcontrol *sctl)
1853 /* call kctl->put with the given value(s) */
1854 static int put_kctl_with_value(struct snd_kcontrol *kctl, int val)
1856 struct snd_ctl_elem_value *ucontrol;
1857 ucontrol = kzalloc(sizeof(*ucontrol), GFP_KERNEL);
1860 ucontrol->value.integer.value[0] = val;
1861 ucontrol->value.integer.value[1] = val;
1862 kctl->put(kctl, ucontrol);
1867 struct follower_init_arg {
1868 struct hda_codec *codec;
1872 /* initialize the follower volume with 0dB via snd_ctl_apply_vmaster_followers() */
1873 static int init_follower_0dB(struct snd_kcontrol *follower,
1874 struct snd_kcontrol *kctl,
1877 struct follower_init_arg *arg = _arg;
1879 const int *tlv = NULL;
1883 if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
1884 if (kctl->tlv.c != snd_hda_mixer_amp_tlv) {
1885 codec_err(arg->codec,
1886 "Unexpected TLV callback for follower %s:%d\n",
1887 kctl->id.name, kctl->id.index);
1888 return 0; /* ignore */
1890 get_ctl_amp_tlv(kctl, _tlv);
1892 } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ)
1895 if (!tlv || tlv[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE)
1898 step = tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP];
1899 step &= ~TLV_DB_SCALE_MUTE;
1902 if (arg->step && arg->step != step) {
1903 codec_err(arg->codec,
1904 "Mismatching dB step for vmaster follower (%d!=%d)\n",
1910 val = -tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] / step;
1912 put_kctl_with_value(follower, val);
1919 /* unmute the follower via snd_ctl_apply_vmaster_followers() */
1920 static int init_follower_unmute(struct snd_kcontrol *follower,
1921 struct snd_kcontrol *kctl,
1924 return put_kctl_with_value(follower, 1);
1927 static int add_follower(struct hda_codec *codec,
1928 void *data, struct snd_kcontrol *follower)
1930 return snd_ctl_add_follower(data, follower);
1934 * __snd_hda_add_vmaster - create a virtual master control and add followers
1935 * @codec: HD-audio codec
1936 * @name: vmaster control name
1937 * @tlv: TLV data (optional)
1938 * @followers: follower control names (optional)
1939 * @suffix: suffix string to each follower name (optional)
1940 * @init_follower_vol: initialize followers to unmute/0dB
1941 * @ctl_ret: store the vmaster kcontrol in return
1943 * Create a virtual master control with the given name. The TLV data
1944 * must be either NULL or a valid data.
1946 * @followers is a NULL-terminated array of strings, each of which is a
1947 * follower control name. All controls with these names are assigned to
1948 * the new virtual master control.
1950 * This function returns zero if successful or a negative error code.
1952 int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
1953 unsigned int *tlv, const char * const *followers,
1954 const char *suffix, bool init_follower_vol,
1955 struct snd_kcontrol **ctl_ret)
1957 struct snd_kcontrol *kctl;
1963 err = map_followers(codec, followers, suffix, check_follower_present, NULL);
1965 codec_dbg(codec, "No follower found for %s\n", name);
1968 kctl = snd_ctl_make_virtual_master(name, tlv);
1971 err = snd_hda_ctl_add(codec, 0, kctl);
1975 err = map_followers(codec, followers, suffix, add_follower, kctl);
1979 /* init with master mute & zero volume */
1980 put_kctl_with_value(kctl, 0);
1981 if (init_follower_vol) {
1982 struct follower_init_arg arg = {
1986 snd_ctl_apply_vmaster_followers(kctl,
1987 tlv ? init_follower_0dB : init_follower_unmute,
1995 EXPORT_SYMBOL_GPL(__snd_hda_add_vmaster);
1998 * mute-LED control using vmaster
2000 static int vmaster_mute_mode_info(struct snd_kcontrol *kcontrol,
2001 struct snd_ctl_elem_info *uinfo)
2003 static const char * const texts[] = {
2004 "On", "Off", "Follow Master"
2007 return snd_ctl_enum_info(uinfo, 1, 3, texts);
2010 static int vmaster_mute_mode_get(struct snd_kcontrol *kcontrol,
2011 struct snd_ctl_elem_value *ucontrol)
2013 struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
2014 ucontrol->value.enumerated.item[0] = hook->mute_mode;
2018 static int vmaster_mute_mode_put(struct snd_kcontrol *kcontrol,
2019 struct snd_ctl_elem_value *ucontrol)
2021 struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
2022 unsigned int old_mode = hook->mute_mode;
2024 hook->mute_mode = ucontrol->value.enumerated.item[0];
2025 if (hook->mute_mode > HDA_VMUTE_FOLLOW_MASTER)
2026 hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
2027 if (old_mode == hook->mute_mode)
2029 snd_hda_sync_vmaster_hook(hook);
2033 static const struct snd_kcontrol_new vmaster_mute_mode = {
2034 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2035 .name = "Mute-LED Mode",
2036 .info = vmaster_mute_mode_info,
2037 .get = vmaster_mute_mode_get,
2038 .put = vmaster_mute_mode_put,
2041 /* meta hook to call each driver's vmaster hook */
2042 static void vmaster_hook(void *private_data, int enabled)
2044 struct hda_vmaster_mute_hook *hook = private_data;
2046 if (hook->mute_mode != HDA_VMUTE_FOLLOW_MASTER)
2047 enabled = hook->mute_mode;
2048 hook->hook(hook->codec, enabled);
2052 * snd_hda_add_vmaster_hook - Add a vmaster hook for mute-LED
2053 * @codec: the HDA codec
2054 * @hook: the vmaster hook object
2055 * @expose_enum_ctl: flag to create an enum ctl
2057 * Add a mute-LED hook with the given vmaster switch kctl.
2058 * When @expose_enum_ctl is set, "Mute-LED Mode" control is automatically
2059 * created and associated with the given hook.
2061 int snd_hda_add_vmaster_hook(struct hda_codec *codec,
2062 struct hda_vmaster_mute_hook *hook,
2063 bool expose_enum_ctl)
2065 struct snd_kcontrol *kctl;
2067 if (!hook->hook || !hook->sw_kctl)
2069 hook->codec = codec;
2070 hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
2071 snd_ctl_add_vmaster_hook(hook->sw_kctl, vmaster_hook, hook);
2072 if (!expose_enum_ctl)
2074 kctl = snd_ctl_new1(&vmaster_mute_mode, hook);
2077 return snd_hda_ctl_add(codec, 0, kctl);
2079 EXPORT_SYMBOL_GPL(snd_hda_add_vmaster_hook);
2082 * snd_hda_sync_vmaster_hook - Sync vmaster hook
2083 * @hook: the vmaster hook
2085 * Call the hook with the current value for synchronization.
2086 * Should be called in init callback.
2088 void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook)
2090 if (!hook->hook || !hook->codec)
2092 /* don't call vmaster hook in the destructor since it might have
2093 * been already destroyed
2095 if (hook->codec->bus->shutdown)
2097 snd_ctl_sync_vmaster_hook(hook->sw_kctl);
2099 EXPORT_SYMBOL_GPL(snd_hda_sync_vmaster_hook);
2103 * snd_hda_mixer_amp_switch_info - Info callback for a standard AMP mixer switch
2104 * @kcontrol: referred ctl element
2105 * @uinfo: pointer to get/store the data
2107 * The control element is supposed to have the private_value field
2108 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2110 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
2111 struct snd_ctl_elem_info *uinfo)
2113 int chs = get_amp_channels(kcontrol);
2115 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2116 uinfo->count = chs == 3 ? 2 : 1;
2117 uinfo->value.integer.min = 0;
2118 uinfo->value.integer.max = 1;
2121 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_info);
2124 * snd_hda_mixer_amp_switch_get - Get callback for a standard AMP mixer switch
2125 * @kcontrol: ctl element
2126 * @ucontrol: pointer to get/store the data
2128 * The control element is supposed to have the private_value field
2129 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2131 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
2132 struct snd_ctl_elem_value *ucontrol)
2134 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2135 hda_nid_t nid = get_amp_nid(kcontrol);
2136 int chs = get_amp_channels(kcontrol);
2137 int dir = get_amp_direction(kcontrol);
2138 int idx = get_amp_index(kcontrol);
2139 long *valp = ucontrol->value.integer.value;
2142 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
2143 HDA_AMP_MUTE) ? 0 : 1;
2145 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
2146 HDA_AMP_MUTE) ? 0 : 1;
2149 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_get);
2152 * snd_hda_mixer_amp_switch_put - Put callback for a standard AMP mixer switch
2153 * @kcontrol: ctl element
2154 * @ucontrol: pointer to get/store the data
2156 * The control element is supposed to have the private_value field
2157 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2159 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
2160 struct snd_ctl_elem_value *ucontrol)
2162 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2163 hda_nid_t nid = get_amp_nid(kcontrol);
2164 int chs = get_amp_channels(kcontrol);
2165 int dir = get_amp_direction(kcontrol);
2166 int idx = get_amp_index(kcontrol);
2167 long *valp = ucontrol->value.integer.value;
2171 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
2173 *valp ? 0 : HDA_AMP_MUTE);
2177 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
2179 *valp ? 0 : HDA_AMP_MUTE);
2180 hda_call_check_power_status(codec, nid);
2183 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put);
2186 * SPDIF out controls
2189 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
2190 struct snd_ctl_elem_info *uinfo)
2192 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2197 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
2198 struct snd_ctl_elem_value *ucontrol)
2200 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2201 IEC958_AES0_NONAUDIO |
2202 IEC958_AES0_CON_EMPHASIS_5015 |
2203 IEC958_AES0_CON_NOT_COPYRIGHT;
2204 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
2205 IEC958_AES1_CON_ORIGINAL;
2209 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
2210 struct snd_ctl_elem_value *ucontrol)
2212 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2213 IEC958_AES0_NONAUDIO |
2214 IEC958_AES0_PRO_EMPHASIS_5015;
2218 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
2219 struct snd_ctl_elem_value *ucontrol)
2221 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2222 int idx = kcontrol->private_value;
2223 struct hda_spdif_out *spdif;
2225 if (WARN_ON(codec->spdif_out.used <= idx))
2227 mutex_lock(&codec->spdif_mutex);
2228 spdif = snd_array_elem(&codec->spdif_out, idx);
2229 ucontrol->value.iec958.status[0] = spdif->status & 0xff;
2230 ucontrol->value.iec958.status[1] = (spdif->status >> 8) & 0xff;
2231 ucontrol->value.iec958.status[2] = (spdif->status >> 16) & 0xff;
2232 ucontrol->value.iec958.status[3] = (spdif->status >> 24) & 0xff;
2233 mutex_unlock(&codec->spdif_mutex);
2238 /* convert from SPDIF status bits to HDA SPDIF bits
2239 * bit 0 (DigEn) is always set zero (to be filled later)
2241 static unsigned short convert_from_spdif_status(unsigned int sbits)
2243 unsigned short val = 0;
2245 if (sbits & IEC958_AES0_PROFESSIONAL)
2246 val |= AC_DIG1_PROFESSIONAL;
2247 if (sbits & IEC958_AES0_NONAUDIO)
2248 val |= AC_DIG1_NONAUDIO;
2249 if (sbits & IEC958_AES0_PROFESSIONAL) {
2250 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
2251 IEC958_AES0_PRO_EMPHASIS_5015)
2252 val |= AC_DIG1_EMPHASIS;
2254 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
2255 IEC958_AES0_CON_EMPHASIS_5015)
2256 val |= AC_DIG1_EMPHASIS;
2257 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
2258 val |= AC_DIG1_COPYRIGHT;
2259 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
2260 val |= AC_DIG1_LEVEL;
2261 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
2266 /* convert to SPDIF status bits from HDA SPDIF bits
2268 static unsigned int convert_to_spdif_status(unsigned short val)
2270 unsigned int sbits = 0;
2272 if (val & AC_DIG1_NONAUDIO)
2273 sbits |= IEC958_AES0_NONAUDIO;
2274 if (val & AC_DIG1_PROFESSIONAL)
2275 sbits |= IEC958_AES0_PROFESSIONAL;
2276 if (sbits & IEC958_AES0_PROFESSIONAL) {
2277 if (val & AC_DIG1_EMPHASIS)
2278 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
2280 if (val & AC_DIG1_EMPHASIS)
2281 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
2282 if (!(val & AC_DIG1_COPYRIGHT))
2283 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
2284 if (val & AC_DIG1_LEVEL)
2285 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
2286 sbits |= val & (0x7f << 8);
2291 /* set digital convert verbs both for the given NID and its followers */
2292 static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
2297 snd_hdac_regmap_update(&codec->core, nid, AC_VERB_SET_DIGI_CONVERT_1,
2299 d = codec->follower_dig_outs;
2303 snd_hdac_regmap_update(&codec->core, *d,
2304 AC_VERB_SET_DIGI_CONVERT_1, mask, val);
2307 static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
2310 unsigned int mask = 0;
2311 unsigned int val = 0;
2321 set_dig_out(codec, nid, mask, val);
2324 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
2325 struct snd_ctl_elem_value *ucontrol)
2327 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2328 int idx = kcontrol->private_value;
2329 struct hda_spdif_out *spdif;
2334 if (WARN_ON(codec->spdif_out.used <= idx))
2336 mutex_lock(&codec->spdif_mutex);
2337 spdif = snd_array_elem(&codec->spdif_out, idx);
2339 spdif->status = ucontrol->value.iec958.status[0] |
2340 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
2341 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
2342 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
2343 val = convert_from_spdif_status(spdif->status);
2344 val |= spdif->ctls & 1;
2345 change = spdif->ctls != val;
2347 if (change && nid != (u16)-1)
2348 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
2349 mutex_unlock(&codec->spdif_mutex);
2353 #define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
2355 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
2356 struct snd_ctl_elem_value *ucontrol)
2358 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2359 int idx = kcontrol->private_value;
2360 struct hda_spdif_out *spdif;
2362 if (WARN_ON(codec->spdif_out.used <= idx))
2364 mutex_lock(&codec->spdif_mutex);
2365 spdif = snd_array_elem(&codec->spdif_out, idx);
2366 ucontrol->value.integer.value[0] = spdif->ctls & AC_DIG1_ENABLE;
2367 mutex_unlock(&codec->spdif_mutex);
2371 static inline void set_spdif_ctls(struct hda_codec *codec, hda_nid_t nid,
2374 set_dig_out_convert(codec, nid, dig1, dig2);
2375 /* unmute amp switch (if any) */
2376 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
2377 (dig1 & AC_DIG1_ENABLE))
2378 snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
2382 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
2383 struct snd_ctl_elem_value *ucontrol)
2385 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2386 int idx = kcontrol->private_value;
2387 struct hda_spdif_out *spdif;
2392 if (WARN_ON(codec->spdif_out.used <= idx))
2394 mutex_lock(&codec->spdif_mutex);
2395 spdif = snd_array_elem(&codec->spdif_out, idx);
2397 val = spdif->ctls & ~AC_DIG1_ENABLE;
2398 if (ucontrol->value.integer.value[0])
2399 val |= AC_DIG1_ENABLE;
2400 change = spdif->ctls != val;
2402 if (change && nid != (u16)-1)
2403 set_spdif_ctls(codec, nid, val & 0xff, -1);
2404 mutex_unlock(&codec->spdif_mutex);
2408 static const struct snd_kcontrol_new dig_mixes[] = {
2410 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2411 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2412 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
2413 .info = snd_hda_spdif_mask_info,
2414 .get = snd_hda_spdif_cmask_get,
2417 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2418 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2419 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
2420 .info = snd_hda_spdif_mask_info,
2421 .get = snd_hda_spdif_pmask_get,
2424 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2425 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
2426 .info = snd_hda_spdif_mask_info,
2427 .get = snd_hda_spdif_default_get,
2428 .put = snd_hda_spdif_default_put,
2431 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2432 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
2433 .info = snd_hda_spdif_out_switch_info,
2434 .get = snd_hda_spdif_out_switch_get,
2435 .put = snd_hda_spdif_out_switch_put,
2441 * snd_hda_create_dig_out_ctls - create Output SPDIF-related controls
2442 * @codec: the HDA codec
2443 * @associated_nid: NID that new ctls associated with
2444 * @cvt_nid: converter NID
2445 * @type: HDA_PCM_TYPE_*
2446 * Creates controls related with the digital output.
2447 * Called from each patch supporting the digital out.
2449 * Returns 0 if successful, or a negative error code.
2451 int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
2452 hda_nid_t associated_nid,
2457 struct snd_kcontrol *kctl;
2458 const struct snd_kcontrol_new *dig_mix;
2461 const int spdif_index = 16;
2462 struct hda_spdif_out *spdif;
2463 struct hda_bus *bus = codec->bus;
2465 if (bus->primary_dig_out_type == HDA_PCM_TYPE_HDMI &&
2466 type == HDA_PCM_TYPE_SPDIF) {
2468 } else if (bus->primary_dig_out_type == HDA_PCM_TYPE_SPDIF &&
2469 type == HDA_PCM_TYPE_HDMI) {
2470 /* suppose a single SPDIF device */
2471 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2472 kctl = find_mixer_ctl(codec, dig_mix->name, 0, 0);
2475 kctl->id.index = spdif_index;
2477 bus->primary_dig_out_type = HDA_PCM_TYPE_HDMI;
2479 if (!bus->primary_dig_out_type)
2480 bus->primary_dig_out_type = type;
2482 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Playback Switch", idx);
2484 codec_err(codec, "too many IEC958 outputs\n");
2487 spdif = snd_array_new(&codec->spdif_out);
2490 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2491 kctl = snd_ctl_new1(dig_mix, codec);
2494 kctl->id.index = idx;
2495 kctl->private_value = codec->spdif_out.used - 1;
2496 err = snd_hda_ctl_add(codec, associated_nid, kctl);
2500 spdif->nid = cvt_nid;
2501 snd_hdac_regmap_read(&codec->core, cvt_nid,
2502 AC_VERB_GET_DIGI_CONVERT_1, &val);
2504 spdif->status = convert_to_spdif_status(spdif->ctls);
2507 EXPORT_SYMBOL_GPL(snd_hda_create_dig_out_ctls);
2510 * snd_hda_spdif_out_of_nid - get the hda_spdif_out entry from the given NID
2511 * @codec: the HDA codec
2514 * call within spdif_mutex lock
2516 struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
2519 struct hda_spdif_out *spdif;
2522 snd_array_for_each(&codec->spdif_out, i, spdif) {
2523 if (spdif->nid == nid)
2528 EXPORT_SYMBOL_GPL(snd_hda_spdif_out_of_nid);
2531 * snd_hda_spdif_ctls_unassign - Unassign the given SPDIF ctl
2532 * @codec: the HDA codec
2533 * @idx: the SPDIF ctl index
2535 * Unassign the widget from the given SPDIF control.
2537 void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx)
2539 struct hda_spdif_out *spdif;
2541 if (WARN_ON(codec->spdif_out.used <= idx))
2543 mutex_lock(&codec->spdif_mutex);
2544 spdif = snd_array_elem(&codec->spdif_out, idx);
2545 spdif->nid = (u16)-1;
2546 mutex_unlock(&codec->spdif_mutex);
2548 EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_unassign);
2551 * snd_hda_spdif_ctls_assign - Assign the SPDIF controls to the given NID
2552 * @codec: the HDA codec
2553 * @idx: the SPDIF ctl idx
2556 * Assign the widget to the SPDIF control with the given index.
2558 void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid)
2560 struct hda_spdif_out *spdif;
2563 if (WARN_ON(codec->spdif_out.used <= idx))
2565 mutex_lock(&codec->spdif_mutex);
2566 spdif = snd_array_elem(&codec->spdif_out, idx);
2567 if (spdif->nid != nid) {
2570 set_spdif_ctls(codec, nid, val & 0xff, (val >> 8) & 0xff);
2572 mutex_unlock(&codec->spdif_mutex);
2574 EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_assign);
2577 * SPDIF sharing with analog output
2579 static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
2580 struct snd_ctl_elem_value *ucontrol)
2582 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2583 ucontrol->value.integer.value[0] = mout->share_spdif;
2587 static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
2588 struct snd_ctl_elem_value *ucontrol)
2590 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2591 mout->share_spdif = !!ucontrol->value.integer.value[0];
2595 static const struct snd_kcontrol_new spdif_share_sw = {
2596 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2597 .name = "IEC958 Default PCM Playback Switch",
2598 .info = snd_ctl_boolean_mono_info,
2599 .get = spdif_share_sw_get,
2600 .put = spdif_share_sw_put,
2604 * snd_hda_create_spdif_share_sw - create Default PCM switch
2605 * @codec: the HDA codec
2606 * @mout: multi-out instance
2608 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
2609 struct hda_multi_out *mout)
2611 struct snd_kcontrol *kctl;
2613 if (!mout->dig_out_nid)
2616 kctl = snd_ctl_new1(&spdif_share_sw, mout);
2619 /* ATTENTION: here mout is passed as private_data, instead of codec */
2620 return snd_hda_ctl_add(codec, mout->dig_out_nid, kctl);
2622 EXPORT_SYMBOL_GPL(snd_hda_create_spdif_share_sw);
2628 #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
2630 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
2631 struct snd_ctl_elem_value *ucontrol)
2633 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2635 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
2639 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
2640 struct snd_ctl_elem_value *ucontrol)
2642 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2643 hda_nid_t nid = kcontrol->private_value;
2644 unsigned int val = !!ucontrol->value.integer.value[0];
2647 mutex_lock(&codec->spdif_mutex);
2648 change = codec->spdif_in_enable != val;
2650 codec->spdif_in_enable = val;
2651 snd_hdac_regmap_write(&codec->core, nid,
2652 AC_VERB_SET_DIGI_CONVERT_1, val);
2654 mutex_unlock(&codec->spdif_mutex);
2658 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
2659 struct snd_ctl_elem_value *ucontrol)
2661 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2662 hda_nid_t nid = kcontrol->private_value;
2666 snd_hdac_regmap_read(&codec->core, nid,
2667 AC_VERB_GET_DIGI_CONVERT_1, &val);
2668 sbits = convert_to_spdif_status(val);
2669 ucontrol->value.iec958.status[0] = sbits;
2670 ucontrol->value.iec958.status[1] = sbits >> 8;
2671 ucontrol->value.iec958.status[2] = sbits >> 16;
2672 ucontrol->value.iec958.status[3] = sbits >> 24;
2676 static const struct snd_kcontrol_new dig_in_ctls[] = {
2678 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2679 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, SWITCH),
2680 .info = snd_hda_spdif_in_switch_info,
2681 .get = snd_hda_spdif_in_switch_get,
2682 .put = snd_hda_spdif_in_switch_put,
2685 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2686 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2687 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
2688 .info = snd_hda_spdif_mask_info,
2689 .get = snd_hda_spdif_in_status_get,
2695 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
2696 * @codec: the HDA codec
2697 * @nid: audio in widget NID
2699 * Creates controls related with the SPDIF input.
2700 * Called from each patch supporting the SPDIF in.
2702 * Returns 0 if successful, or a negative error code.
2704 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
2707 struct snd_kcontrol *kctl;
2708 const struct snd_kcontrol_new *dig_mix;
2711 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Capture Switch", 0);
2713 codec_err(codec, "too many IEC958 inputs\n");
2716 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
2717 kctl = snd_ctl_new1(dig_mix, codec);
2720 kctl->private_value = nid;
2721 err = snd_hda_ctl_add(codec, nid, kctl);
2725 codec->spdif_in_enable =
2726 snd_hda_codec_read(codec, nid, 0,
2727 AC_VERB_GET_DIGI_CONVERT_1, 0) &
2731 EXPORT_SYMBOL_GPL(snd_hda_create_spdif_in_ctls);
2734 * snd_hda_codec_set_power_to_all - Set the power state to all widgets
2735 * @codec: the HDA codec
2736 * @fg: function group (not used now)
2737 * @power_state: the power state to set (AC_PWRST_*)
2739 * Set the given power state to all widgets that have the power control.
2740 * If the codec has power_filter set, it evaluates the power state and
2741 * filter out if it's unchanged as D3.
2743 void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
2744 unsigned int power_state)
2748 for_each_hda_codec_node(nid, codec) {
2749 unsigned int wcaps = get_wcaps(codec, nid);
2750 unsigned int state = power_state;
2751 if (!(wcaps & AC_WCAP_POWER))
2753 if (codec->power_filter) {
2754 state = codec->power_filter(codec, nid, power_state);
2755 if (state != power_state && power_state == AC_PWRST_D3)
2758 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
2762 EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_to_all);
2765 * snd_hda_codec_eapd_power_filter - A power filter callback for EAPD
2766 * @codec: the HDA codec
2768 * @power_state: power state to evalue
2770 * Don't power down the widget if it controls eapd and EAPD_BTLENABLE is set.
2771 * This can be used a codec power_filter callback.
2773 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
2775 unsigned int power_state)
2777 if (nid == codec->core.afg || nid == codec->core.mfg)
2779 if (power_state == AC_PWRST_D3 &&
2780 get_wcaps_type(get_wcaps(codec, nid)) == AC_WID_PIN &&
2781 (snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_EAPD)) {
2782 int eapd = snd_hda_codec_read(codec, nid, 0,
2783 AC_VERB_GET_EAPD_BTLENABLE, 0);
2789 EXPORT_SYMBOL_GPL(snd_hda_codec_eapd_power_filter);
2792 * set power state of the codec, and return the power state
2794 static unsigned int hda_set_power_state(struct hda_codec *codec,
2795 unsigned int power_state)
2797 hda_nid_t fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
2802 /* this delay seems necessary to avoid click noise at power-down */
2803 if (power_state == AC_PWRST_D3) {
2804 if (codec->depop_delay < 0)
2805 msleep(codec_has_epss(codec) ? 10 : 100);
2806 else if (codec->depop_delay > 0)
2807 msleep(codec->depop_delay);
2808 flags = HDA_RW_NO_RESPONSE_FALLBACK;
2811 /* repeat power states setting at most 10 times*/
2812 for (count = 0; count < 10; count++) {
2813 if (codec->patch_ops.set_power_state)
2814 codec->patch_ops.set_power_state(codec, fg,
2817 state = power_state;
2818 if (codec->power_filter)
2819 state = codec->power_filter(codec, fg, state);
2820 if (state == power_state || power_state != AC_PWRST_D3)
2821 snd_hda_codec_read(codec, fg, flags,
2822 AC_VERB_SET_POWER_STATE,
2824 snd_hda_codec_set_power_to_all(codec, fg, power_state);
2826 state = snd_hda_sync_power_state(codec, fg, power_state);
2827 if (!(state & AC_PWRST_ERROR))
2834 /* sync power states of all widgets;
2835 * this is called at the end of codec parsing
2837 static void sync_power_up_states(struct hda_codec *codec)
2841 /* don't care if no filter is used */
2842 if (!codec->power_filter)
2845 for_each_hda_codec_node(nid, codec) {
2846 unsigned int wcaps = get_wcaps(codec, nid);
2847 unsigned int target;
2848 if (!(wcaps & AC_WCAP_POWER))
2850 target = codec->power_filter(codec, nid, AC_PWRST_D0);
2851 if (target == AC_PWRST_D0)
2853 if (!snd_hda_check_power_state(codec, nid, target))
2854 snd_hda_codec_write(codec, nid, 0,
2855 AC_VERB_SET_POWER_STATE, target);
2859 #ifdef CONFIG_SND_HDA_RECONFIG
2860 /* execute additional init verbs */
2861 static void hda_exec_init_verbs(struct hda_codec *codec)
2863 if (codec->init_verbs.list)
2864 snd_hda_sequence_write(codec, codec->init_verbs.list);
2867 static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
2871 /* update the power on/off account with the current jiffies */
2872 static void update_power_acct(struct hda_codec *codec, bool on)
2874 unsigned long delta = jiffies - codec->power_jiffies;
2877 codec->power_on_acct += delta;
2879 codec->power_off_acct += delta;
2880 codec->power_jiffies += delta;
2883 void snd_hda_update_power_acct(struct hda_codec *codec)
2885 update_power_acct(codec, hda_codec_is_power_on(codec));
2889 * call suspend and power-down; used both from PM and power-save
2890 * this function returns the power state in the end
2892 static unsigned int hda_call_codec_suspend(struct hda_codec *codec)
2896 snd_hdac_enter_pm(&codec->core);
2897 if (codec->patch_ops.suspend)
2898 codec->patch_ops.suspend(codec);
2899 hda_cleanup_all_streams(codec);
2900 state = hda_set_power_state(codec, AC_PWRST_D3);
2901 update_power_acct(codec, true);
2902 snd_hdac_leave_pm(&codec->core);
2907 * kick up codec; used both from PM and power-save
2909 static void hda_call_codec_resume(struct hda_codec *codec)
2911 snd_hdac_enter_pm(&codec->core);
2912 if (codec->core.regmap)
2913 regcache_mark_dirty(codec->core.regmap);
2915 codec->power_jiffies = jiffies;
2917 hda_set_power_state(codec, AC_PWRST_D0);
2918 restore_shutup_pins(codec);
2919 hda_exec_init_verbs(codec);
2920 snd_hda_jack_set_dirty_all(codec);
2921 if (codec->patch_ops.resume)
2922 codec->patch_ops.resume(codec);
2924 if (codec->patch_ops.init)
2925 codec->patch_ops.init(codec);
2926 snd_hda_regmap_sync(codec);
2929 if (codec->jackpoll_interval)
2930 hda_jackpoll_work(&codec->jackpoll_work.work);
2932 snd_hda_jack_report_sync(codec);
2933 codec->core.dev.power.power_state = PMSG_ON;
2934 snd_hdac_leave_pm(&codec->core);
2937 static int hda_codec_runtime_suspend(struct device *dev)
2939 struct hda_codec *codec = dev_to_hda_codec(dev);
2942 /* Nothing to do if card registration fails and the component driver never probes */
2946 cancel_delayed_work_sync(&codec->jackpoll_work);
2947 state = hda_call_codec_suspend(codec);
2948 if (codec->link_down_at_suspend ||
2949 (codec_has_clkstop(codec) && codec_has_epss(codec) &&
2950 (state & AC_PWRST_CLK_STOP_OK)))
2951 snd_hdac_codec_link_down(&codec->core);
2952 codec_display_power(codec, false);
2956 static int hda_codec_runtime_resume(struct device *dev)
2958 struct hda_codec *codec = dev_to_hda_codec(dev);
2960 /* Nothing to do if card registration fails and the component driver never probes */
2964 codec_display_power(codec, true);
2965 snd_hdac_codec_link_up(&codec->core);
2966 hda_call_codec_resume(codec);
2967 pm_runtime_mark_last_busy(dev);
2970 #endif /* CONFIG_PM */
2972 #ifdef CONFIG_PM_SLEEP
2973 static int hda_codec_force_resume(struct device *dev)
2975 struct hda_codec *codec = dev_to_hda_codec(dev);
2978 ret = pm_runtime_force_resume(dev);
2979 /* schedule jackpoll work for jack detection update */
2980 if (codec->jackpoll_interval ||
2981 (pm_runtime_suspended(dev) && hda_codec_need_resume(codec)))
2982 schedule_delayed_work(&codec->jackpoll_work,
2983 codec->jackpoll_interval);
2987 static int hda_codec_pm_suspend(struct device *dev)
2989 dev->power.power_state = PMSG_SUSPEND;
2990 return pm_runtime_force_suspend(dev);
2993 static int hda_codec_pm_resume(struct device *dev)
2995 dev->power.power_state = PMSG_RESUME;
2996 return hda_codec_force_resume(dev);
2999 static int hda_codec_pm_freeze(struct device *dev)
3001 dev->power.power_state = PMSG_FREEZE;
3002 return pm_runtime_force_suspend(dev);
3005 static int hda_codec_pm_thaw(struct device *dev)
3007 dev->power.power_state = PMSG_THAW;
3008 return hda_codec_force_resume(dev);
3011 static int hda_codec_pm_restore(struct device *dev)
3013 dev->power.power_state = PMSG_RESTORE;
3014 return hda_codec_force_resume(dev);
3016 #endif /* CONFIG_PM_SLEEP */
3018 /* referred in hda_bind.c */
3019 const struct dev_pm_ops hda_codec_driver_pm = {
3020 #ifdef CONFIG_PM_SLEEP
3021 .suspend = hda_codec_pm_suspend,
3022 .resume = hda_codec_pm_resume,
3023 .freeze = hda_codec_pm_freeze,
3024 .thaw = hda_codec_pm_thaw,
3025 .poweroff = hda_codec_pm_suspend,
3026 .restore = hda_codec_pm_restore,
3027 #endif /* CONFIG_PM_SLEEP */
3028 SET_RUNTIME_PM_OPS(hda_codec_runtime_suspend, hda_codec_runtime_resume,
3033 * add standard channel maps if not specified
3035 static int add_std_chmaps(struct hda_codec *codec)
3037 struct hda_pcm *pcm;
3040 list_for_each_entry(pcm, &codec->pcm_list_head, list) {
3041 for (str = 0; str < 2; str++) {
3042 struct hda_pcm_stream *hinfo = &pcm->stream[str];
3043 struct snd_pcm_chmap *chmap;
3044 const struct snd_pcm_chmap_elem *elem;
3046 if (!pcm->pcm || pcm->own_chmap || !hinfo->substreams)
3048 elem = hinfo->chmap ? hinfo->chmap : snd_pcm_std_chmaps;
3049 err = snd_pcm_add_chmap_ctls(pcm->pcm, str, elem,
3050 hinfo->channels_max,
3054 chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
3060 /* default channel maps for 2.1 speakers;
3061 * since HD-audio supports only stereo, odd number channels are omitted
3063 const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[] = {
3065 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
3067 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR,
3068 SNDRV_CHMAP_LFE, SNDRV_CHMAP_LFE } },
3071 EXPORT_SYMBOL_GPL(snd_pcm_2_1_chmaps);
3073 int snd_hda_codec_build_controls(struct hda_codec *codec)
3076 hda_exec_init_verbs(codec);
3077 /* continue to initialize... */
3078 if (codec->patch_ops.init)
3079 err = codec->patch_ops.init(codec);
3080 if (!err && codec->patch_ops.build_controls)
3081 err = codec->patch_ops.build_controls(codec);
3085 /* we create chmaps here instead of build_pcms */
3086 err = add_std_chmaps(codec);
3090 if (codec->jackpoll_interval)
3091 hda_jackpoll_work(&codec->jackpoll_work.work);
3093 snd_hda_jack_report_sync(codec); /* call at the last init point */
3094 sync_power_up_states(codec);
3097 EXPORT_SYMBOL_GPL(snd_hda_codec_build_controls);
3102 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
3103 struct hda_codec *codec,
3104 struct snd_pcm_substream *substream)
3109 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
3110 struct hda_codec *codec,
3111 unsigned int stream_tag,
3112 unsigned int format,
3113 struct snd_pcm_substream *substream)
3115 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
3119 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
3120 struct hda_codec *codec,
3121 struct snd_pcm_substream *substream)
3123 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
3127 static int set_pcm_default_values(struct hda_codec *codec,
3128 struct hda_pcm_stream *info)
3132 /* query support PCM information from the given NID */
3133 if (info->nid && (!info->rates || !info->formats)) {
3134 err = snd_hda_query_supported_pcm(codec, info->nid,
3135 info->rates ? NULL : &info->rates,
3136 info->formats ? NULL : &info->formats,
3137 info->maxbps ? NULL : &info->maxbps);
3141 if (info->ops.open == NULL)
3142 info->ops.open = hda_pcm_default_open_close;
3143 if (info->ops.close == NULL)
3144 info->ops.close = hda_pcm_default_open_close;
3145 if (info->ops.prepare == NULL) {
3146 if (snd_BUG_ON(!info->nid))
3148 info->ops.prepare = hda_pcm_default_prepare;
3150 if (info->ops.cleanup == NULL) {
3151 if (snd_BUG_ON(!info->nid))
3153 info->ops.cleanup = hda_pcm_default_cleanup;
3159 * codec prepare/cleanup entries
3162 * snd_hda_codec_prepare - Prepare a stream
3163 * @codec: the HDA codec
3164 * @hinfo: PCM information
3165 * @stream: stream tag to assign
3166 * @format: format id to assign
3167 * @substream: PCM substream to assign
3169 * Calls the prepare callback set by the codec with the given arguments.
3170 * Clean up the inactive streams when successful.
3172 int snd_hda_codec_prepare(struct hda_codec *codec,
3173 struct hda_pcm_stream *hinfo,
3174 unsigned int stream,
3175 unsigned int format,
3176 struct snd_pcm_substream *substream)
3179 mutex_lock(&codec->bus->prepare_mutex);
3180 if (hinfo->ops.prepare)
3181 ret = hinfo->ops.prepare(hinfo, codec, stream, format,
3186 purify_inactive_streams(codec);
3187 mutex_unlock(&codec->bus->prepare_mutex);
3190 EXPORT_SYMBOL_GPL(snd_hda_codec_prepare);
3193 * snd_hda_codec_cleanup - Clean up stream resources
3194 * @codec: the HDA codec
3195 * @hinfo: PCM information
3196 * @substream: PCM substream
3198 * Calls the cleanup callback set by the codec with the given arguments.
3200 void snd_hda_codec_cleanup(struct hda_codec *codec,
3201 struct hda_pcm_stream *hinfo,
3202 struct snd_pcm_substream *substream)
3204 mutex_lock(&codec->bus->prepare_mutex);
3205 if (hinfo->ops.cleanup)
3206 hinfo->ops.cleanup(hinfo, codec, substream);
3207 mutex_unlock(&codec->bus->prepare_mutex);
3209 EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup);
3212 const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = {
3213 "Audio", "SPDIF", "HDMI", "Modem"
3217 * get the empty PCM device number to assign
3219 static int get_empty_pcm_device(struct hda_bus *bus, unsigned int type)
3221 /* audio device indices; not linear to keep compatibility */
3222 /* assigned to static slots up to dev#10; if more needed, assign
3223 * the later slot dynamically (when CONFIG_SND_DYNAMIC_MINORS=y)
3225 static const int audio_idx[HDA_PCM_NTYPES][5] = {
3226 [HDA_PCM_TYPE_AUDIO] = { 0, 2, 4, 5, -1 },
3227 [HDA_PCM_TYPE_SPDIF] = { 1, -1 },
3228 [HDA_PCM_TYPE_HDMI] = { 3, 7, 8, 9, -1 },
3229 [HDA_PCM_TYPE_MODEM] = { 6, -1 },
3233 if (type >= HDA_PCM_NTYPES) {
3234 dev_err(bus->card->dev, "Invalid PCM type %d\n", type);
3238 for (i = 0; audio_idx[type][i] >= 0; i++) {
3239 #ifndef CONFIG_SND_DYNAMIC_MINORS
3240 if (audio_idx[type][i] >= 8)
3243 if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits))
3244 return audio_idx[type][i];
3247 #ifdef CONFIG_SND_DYNAMIC_MINORS
3248 /* non-fixed slots starting from 10 */
3249 for (i = 10; i < 32; i++) {
3250 if (!test_and_set_bit(i, bus->pcm_dev_bits))
3255 dev_warn(bus->card->dev, "Too many %s devices\n",
3256 snd_hda_pcm_type_name[type]);
3257 #ifndef CONFIG_SND_DYNAMIC_MINORS
3258 dev_warn(bus->card->dev,
3259 "Consider building the kernel with CONFIG_SND_DYNAMIC_MINORS=y\n");
3264 /* call build_pcms ops of the given codec and set up the default parameters */
3265 int snd_hda_codec_parse_pcms(struct hda_codec *codec)
3267 struct hda_pcm *cpcm;
3270 if (!list_empty(&codec->pcm_list_head))
3271 return 0; /* already parsed */
3273 if (!codec->patch_ops.build_pcms)
3276 err = codec->patch_ops.build_pcms(codec);
3278 codec_err(codec, "cannot build PCMs for #%d (error %d)\n",
3279 codec->core.addr, err);
3283 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3286 for (stream = 0; stream < 2; stream++) {
3287 struct hda_pcm_stream *info = &cpcm->stream[stream];
3289 if (!info->substreams)
3291 err = set_pcm_default_values(codec, info);
3294 "fail to setup default for PCM %s\n",
3303 EXPORT_SYMBOL_GPL(snd_hda_codec_parse_pcms);
3305 /* assign all PCMs of the given codec */
3306 int snd_hda_codec_build_pcms(struct hda_codec *codec)
3308 struct hda_bus *bus = codec->bus;
3309 struct hda_pcm *cpcm;
3312 err = snd_hda_codec_parse_pcms(codec);
3316 /* attach a new PCM streams */
3317 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3319 continue; /* already attached */
3320 if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
3321 continue; /* no substreams assigned */
3323 dev = get_empty_pcm_device(bus, cpcm->pcm_type);
3325 cpcm->device = SNDRV_PCM_INVALID_DEVICE;
3326 continue; /* no fatal error */
3329 err = snd_hda_attach_pcm_stream(bus, codec, cpcm);
3332 "cannot attach PCM stream %d for codec #%d\n",
3333 dev, codec->core.addr);
3334 continue; /* no fatal error */
3342 * snd_hda_add_new_ctls - create controls from the array
3343 * @codec: the HDA codec
3344 * @knew: the array of struct snd_kcontrol_new
3346 * This helper function creates and add new controls in the given array.
3347 * The array must be terminated with an empty entry as terminator.
3349 * Returns 0 if successful, or a negative error code.
3351 int snd_hda_add_new_ctls(struct hda_codec *codec,
3352 const struct snd_kcontrol_new *knew)
3356 for (; knew->name; knew++) {
3357 struct snd_kcontrol *kctl;
3358 int addr = 0, idx = 0;
3359 if (knew->iface == (__force snd_ctl_elem_iface_t)-1)
3360 continue; /* skip this codec private value */
3362 kctl = snd_ctl_new1(knew, codec);
3366 kctl->id.device = addr;
3368 kctl->id.index = idx;
3369 err = snd_hda_ctl_add(codec, 0, kctl);
3372 /* try first with another device index corresponding to
3373 * the codec addr; if it still fails (or it's the
3374 * primary codec), then try another control index
3376 if (!addr && codec->core.addr)
3377 addr = codec->core.addr;
3378 else if (!idx && !knew->index) {
3379 idx = find_empty_mixer_ctl_idx(codec,
3389 EXPORT_SYMBOL_GPL(snd_hda_add_new_ctls);
3392 static void codec_set_power_save(struct hda_codec *codec, int delay)
3394 struct device *dev = hda_codec_dev(codec);
3396 if (delay == 0 && codec->auto_runtime_pm)
3400 pm_runtime_set_autosuspend_delay(dev, delay);
3401 pm_runtime_use_autosuspend(dev);
3402 pm_runtime_allow(dev);
3403 if (!pm_runtime_suspended(dev))
3404 pm_runtime_mark_last_busy(dev);
3406 pm_runtime_dont_use_autosuspend(dev);
3407 pm_runtime_forbid(dev);
3412 * snd_hda_set_power_save - reprogram autosuspend for the given delay
3413 * @bus: HD-audio bus
3414 * @delay: autosuspend delay in msec, 0 = off
3416 * Synchronize the runtime PM autosuspend state from the power_save option.
3418 void snd_hda_set_power_save(struct hda_bus *bus, int delay)
3420 struct hda_codec *c;
3422 list_for_each_codec(c, bus)
3423 codec_set_power_save(c, delay);
3425 EXPORT_SYMBOL_GPL(snd_hda_set_power_save);
3428 * snd_hda_check_amp_list_power - Check the amp list and update the power
3429 * @codec: HD-audio codec
3430 * @check: the object containing an AMP list and the status
3431 * @nid: NID to check / update
3433 * Check whether the given NID is in the amp list. If it's in the list,
3434 * check the current AMP status, and update the power-status according
3435 * to the mute status.
3437 * This function is supposed to be set or called from the check_power_status
3440 int snd_hda_check_amp_list_power(struct hda_codec *codec,
3441 struct hda_loopback_check *check,
3444 const struct hda_amp_list *p;
3447 if (!check->amplist)
3449 for (p = check->amplist; p->nid; p++) {
3454 return 0; /* nothing changed */
3456 for (p = check->amplist; p->nid; p++) {
3457 for (ch = 0; ch < 2; ch++) {
3458 v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
3460 if (!(v & HDA_AMP_MUTE) && v > 0) {
3461 if (!check->power_on) {
3462 check->power_on = 1;
3463 snd_hda_power_up_pm(codec);
3469 if (check->power_on) {
3470 check->power_on = 0;
3471 snd_hda_power_down_pm(codec);
3475 EXPORT_SYMBOL_GPL(snd_hda_check_amp_list_power);
3483 * snd_hda_input_mux_info_info - Info callback helper for the input-mux enum
3484 * @imux: imux helper object
3485 * @uinfo: pointer to get/store the data
3487 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
3488 struct snd_ctl_elem_info *uinfo)
3492 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
3494 uinfo->value.enumerated.items = imux->num_items;
3495 if (!imux->num_items)
3497 index = uinfo->value.enumerated.item;
3498 if (index >= imux->num_items)
3499 index = imux->num_items - 1;
3500 strcpy(uinfo->value.enumerated.name, imux->items[index].label);
3503 EXPORT_SYMBOL_GPL(snd_hda_input_mux_info);
3506 * snd_hda_input_mux_info_put - Put callback helper for the input-mux enum
3507 * @codec: the HDA codec
3508 * @imux: imux helper object
3509 * @ucontrol: pointer to get/store the data
3510 * @nid: input mux NID
3511 * @cur_val: pointer to get/store the current imux value
3513 int snd_hda_input_mux_put(struct hda_codec *codec,
3514 const struct hda_input_mux *imux,
3515 struct snd_ctl_elem_value *ucontrol,
3517 unsigned int *cur_val)
3521 if (!imux->num_items)
3523 idx = ucontrol->value.enumerated.item[0];
3524 if (idx >= imux->num_items)
3525 idx = imux->num_items - 1;
3526 if (*cur_val == idx)
3528 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
3529 imux->items[idx].index);
3533 EXPORT_SYMBOL_GPL(snd_hda_input_mux_put);
3537 * snd_hda_enum_helper_info - Helper for simple enum ctls
3538 * @kcontrol: ctl element
3539 * @uinfo: pointer to get/store the data
3540 * @num_items: number of enum items
3541 * @texts: enum item string array
3543 * process kcontrol info callback of a simple string enum array
3544 * when @num_items is 0 or @texts is NULL, assume a boolean enum array
3546 int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
3547 struct snd_ctl_elem_info *uinfo,
3548 int num_items, const char * const *texts)
3550 static const char * const texts_default[] = {
3551 "Disabled", "Enabled"
3554 if (!texts || !num_items) {
3556 texts = texts_default;
3559 return snd_ctl_enum_info(uinfo, 1, num_items, texts);
3561 EXPORT_SYMBOL_GPL(snd_hda_enum_helper_info);
3564 * Multi-channel / digital-out PCM helper functions
3567 /* setup SPDIF output stream */
3568 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
3569 unsigned int stream_tag, unsigned int format)
3571 struct hda_spdif_out *spdif;
3572 unsigned int curr_fmt;
3575 spdif = snd_hda_spdif_out_of_nid(codec, nid);
3576 /* Add sanity check to pass klockwork check.
3577 * This should never happen.
3579 if (WARN_ON(spdif == NULL))
3582 curr_fmt = snd_hda_codec_read(codec, nid, 0,
3583 AC_VERB_GET_STREAM_FORMAT, 0);
3584 reset = codec->spdif_status_reset &&
3585 (spdif->ctls & AC_DIG1_ENABLE) &&
3588 /* turn off SPDIF if needed; otherwise the IEC958 bits won't be
3591 set_dig_out_convert(codec, nid,
3592 spdif->ctls & ~AC_DIG1_ENABLE & 0xff,
3594 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
3595 if (codec->follower_dig_outs) {
3597 for (d = codec->follower_dig_outs; *d; d++)
3598 snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
3601 /* turn on again (if needed) */
3603 set_dig_out_convert(codec, nid,
3604 spdif->ctls & 0xff, -1);
3607 static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
3609 snd_hda_codec_cleanup_stream(codec, nid);
3610 if (codec->follower_dig_outs) {
3612 for (d = codec->follower_dig_outs; *d; d++)
3613 snd_hda_codec_cleanup_stream(codec, *d);
3618 * snd_hda_multi_out_dig_open - open the digital out in the exclusive mode
3619 * @codec: the HDA codec
3620 * @mout: hda_multi_out object
3622 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
3623 struct hda_multi_out *mout)
3625 mutex_lock(&codec->spdif_mutex);
3626 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
3627 /* already opened as analog dup; reset it once */
3628 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3629 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
3630 mutex_unlock(&codec->spdif_mutex);
3633 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_open);
3636 * snd_hda_multi_out_dig_prepare - prepare the digital out stream
3637 * @codec: the HDA codec
3638 * @mout: hda_multi_out object
3639 * @stream_tag: stream tag to assign
3640 * @format: format id to assign
3641 * @substream: PCM substream to assign
3643 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
3644 struct hda_multi_out *mout,
3645 unsigned int stream_tag,
3646 unsigned int format,
3647 struct snd_pcm_substream *substream)
3649 mutex_lock(&codec->spdif_mutex);
3650 setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
3651 mutex_unlock(&codec->spdif_mutex);
3654 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_prepare);
3657 * snd_hda_multi_out_dig_cleanup - clean-up the digital out stream
3658 * @codec: the HDA codec
3659 * @mout: hda_multi_out object
3661 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
3662 struct hda_multi_out *mout)
3664 mutex_lock(&codec->spdif_mutex);
3665 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3666 mutex_unlock(&codec->spdif_mutex);
3669 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_cleanup);
3672 * snd_hda_multi_out_dig_close - release the digital out stream
3673 * @codec: the HDA codec
3674 * @mout: hda_multi_out object
3676 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
3677 struct hda_multi_out *mout)
3679 mutex_lock(&codec->spdif_mutex);
3680 mout->dig_out_used = 0;
3681 mutex_unlock(&codec->spdif_mutex);
3684 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_close);
3687 * snd_hda_multi_out_analog_open - open analog outputs
3688 * @codec: the HDA codec
3689 * @mout: hda_multi_out object
3690 * @substream: PCM substream to assign
3691 * @hinfo: PCM information to assign
3693 * Open analog outputs and set up the hw-constraints.
3694 * If the digital outputs can be opened as follower, open the digital
3697 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
3698 struct hda_multi_out *mout,
3699 struct snd_pcm_substream *substream,
3700 struct hda_pcm_stream *hinfo)
3702 struct snd_pcm_runtime *runtime = substream->runtime;
3703 runtime->hw.channels_max = mout->max_channels;
3704 if (mout->dig_out_nid) {
3705 if (!mout->analog_rates) {
3706 mout->analog_rates = hinfo->rates;
3707 mout->analog_formats = hinfo->formats;
3708 mout->analog_maxbps = hinfo->maxbps;
3710 runtime->hw.rates = mout->analog_rates;
3711 runtime->hw.formats = mout->analog_formats;
3712 hinfo->maxbps = mout->analog_maxbps;
3714 if (!mout->spdif_rates) {
3715 snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
3717 &mout->spdif_formats,
3718 &mout->spdif_maxbps);
3720 mutex_lock(&codec->spdif_mutex);
3721 if (mout->share_spdif) {
3722 if ((runtime->hw.rates & mout->spdif_rates) &&
3723 (runtime->hw.formats & mout->spdif_formats)) {
3724 runtime->hw.rates &= mout->spdif_rates;
3725 runtime->hw.formats &= mout->spdif_formats;
3726 if (mout->spdif_maxbps < hinfo->maxbps)
3727 hinfo->maxbps = mout->spdif_maxbps;
3729 mout->share_spdif = 0;
3730 /* FIXME: need notify? */
3733 mutex_unlock(&codec->spdif_mutex);
3735 return snd_pcm_hw_constraint_step(substream->runtime, 0,
3736 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
3738 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_open);
3741 * snd_hda_multi_out_analog_prepare - Preapre the analog outputs.
3742 * @codec: the HDA codec
3743 * @mout: hda_multi_out object
3744 * @stream_tag: stream tag to assign
3745 * @format: format id to assign
3746 * @substream: PCM substream to assign
3748 * Set up the i/o for analog out.
3749 * When the digital out is available, copy the front out to digital out, too.
3751 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
3752 struct hda_multi_out *mout,
3753 unsigned int stream_tag,
3754 unsigned int format,
3755 struct snd_pcm_substream *substream)
3757 const hda_nid_t *nids = mout->dac_nids;
3758 int chs = substream->runtime->channels;
3759 struct hda_spdif_out *spdif;
3762 mutex_lock(&codec->spdif_mutex);
3763 spdif = snd_hda_spdif_out_of_nid(codec, mout->dig_out_nid);
3764 if (mout->dig_out_nid && mout->share_spdif &&
3765 mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
3766 if (chs == 2 && spdif != NULL &&
3767 snd_hda_is_supported_format(codec, mout->dig_out_nid,
3769 !(spdif->status & IEC958_AES0_NONAUDIO)) {
3770 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
3771 setup_dig_out_stream(codec, mout->dig_out_nid,
3772 stream_tag, format);
3774 mout->dig_out_used = 0;
3775 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3778 mutex_unlock(&codec->spdif_mutex);
3781 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
3783 if (!mout->no_share_stream &&
3784 mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
3785 /* headphone out will just decode front left/right (stereo) */
3786 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
3788 /* extra outputs copied from front */
3789 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3790 if (!mout->no_share_stream && mout->hp_out_nid[i])
3791 snd_hda_codec_setup_stream(codec,
3792 mout->hp_out_nid[i],
3793 stream_tag, 0, format);
3796 for (i = 1; i < mout->num_dacs; i++) {
3797 if (chs >= (i + 1) * 2) /* independent out */
3798 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3800 else if (!mout->no_share_stream) /* copy front */
3801 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3805 /* extra surrounds */
3806 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) {
3808 if (!mout->extra_out_nid[i])
3810 if (chs >= (i + 1) * 2)
3812 else if (!mout->no_share_stream)
3814 snd_hda_codec_setup_stream(codec, mout->extra_out_nid[i],
3815 stream_tag, ch, format);
3820 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_prepare);
3823 * snd_hda_multi_out_analog_cleanup - clean up the setting for analog out
3824 * @codec: the HDA codec
3825 * @mout: hda_multi_out object
3827 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
3828 struct hda_multi_out *mout)
3830 const hda_nid_t *nids = mout->dac_nids;
3833 for (i = 0; i < mout->num_dacs; i++)
3834 snd_hda_codec_cleanup_stream(codec, nids[i]);
3836 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
3837 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3838 if (mout->hp_out_nid[i])
3839 snd_hda_codec_cleanup_stream(codec,
3840 mout->hp_out_nid[i]);
3841 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
3842 if (mout->extra_out_nid[i])
3843 snd_hda_codec_cleanup_stream(codec,
3844 mout->extra_out_nid[i]);
3845 mutex_lock(&codec->spdif_mutex);
3846 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
3847 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3848 mout->dig_out_used = 0;
3850 mutex_unlock(&codec->spdif_mutex);
3853 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_cleanup);
3856 * snd_hda_get_default_vref - Get the default (mic) VREF pin bits
3857 * @codec: the HDA codec
3858 * @pin: referred pin NID
3860 * Guess the suitable VREF pin bits to be set as the pin-control value.
3861 * Note: the function doesn't set the AC_PINCTL_IN_EN bit.
3863 unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin)
3865 unsigned int pincap;
3866 unsigned int oldval;
3867 oldval = snd_hda_codec_read(codec, pin, 0,
3868 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
3869 pincap = snd_hda_query_pin_caps(codec, pin);
3870 pincap = (pincap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3871 /* Exception: if the default pin setup is vref50, we give it priority */
3872 if ((pincap & AC_PINCAP_VREF_80) && oldval != PIN_VREF50)
3873 return AC_PINCTL_VREF_80;
3874 else if (pincap & AC_PINCAP_VREF_50)
3875 return AC_PINCTL_VREF_50;
3876 else if (pincap & AC_PINCAP_VREF_100)
3877 return AC_PINCTL_VREF_100;
3878 else if (pincap & AC_PINCAP_VREF_GRD)
3879 return AC_PINCTL_VREF_GRD;
3880 return AC_PINCTL_VREF_HIZ;
3882 EXPORT_SYMBOL_GPL(snd_hda_get_default_vref);
3885 * snd_hda_correct_pin_ctl - correct the pin ctl value for matching with the pin cap
3886 * @codec: the HDA codec
3887 * @pin: referred pin NID
3888 * @val: pin ctl value to audit
3890 unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
3891 hda_nid_t pin, unsigned int val)
3893 static const unsigned int cap_lists[][2] = {
3894 { AC_PINCTL_VREF_100, AC_PINCAP_VREF_100 },
3895 { AC_PINCTL_VREF_80, AC_PINCAP_VREF_80 },
3896 { AC_PINCTL_VREF_50, AC_PINCAP_VREF_50 },
3897 { AC_PINCTL_VREF_GRD, AC_PINCAP_VREF_GRD },
3903 cap = snd_hda_query_pin_caps(codec, pin);
3905 return val; /* don't know what to do... */
3907 if (val & AC_PINCTL_OUT_EN) {
3908 if (!(cap & AC_PINCAP_OUT))
3909 val &= ~(AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN);
3910 else if ((val & AC_PINCTL_HP_EN) && !(cap & AC_PINCAP_HP_DRV))
3911 val &= ~AC_PINCTL_HP_EN;
3914 if (val & AC_PINCTL_IN_EN) {
3915 if (!(cap & AC_PINCAP_IN))
3916 val &= ~(AC_PINCTL_IN_EN | AC_PINCTL_VREFEN);
3918 unsigned int vcap, vref;
3920 vcap = (cap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3921 vref = val & AC_PINCTL_VREFEN;
3922 for (i = 0; i < ARRAY_SIZE(cap_lists); i++) {
3923 if (vref == cap_lists[i][0] &&
3924 !(vcap & cap_lists[i][1])) {
3925 if (i == ARRAY_SIZE(cap_lists) - 1)
3926 vref = AC_PINCTL_VREF_HIZ;
3928 vref = cap_lists[i + 1][0];
3931 val &= ~AC_PINCTL_VREFEN;
3938 EXPORT_SYMBOL_GPL(snd_hda_correct_pin_ctl);
3941 * _snd_hda_pin_ctl - Helper to set pin ctl value
3942 * @codec: the HDA codec
3943 * @pin: referred pin NID
3944 * @val: pin control value to set
3945 * @cached: access over codec pinctl cache or direct write
3947 * This function is a helper to set a pin ctl value more safely.
3948 * It corrects the pin ctl value via snd_hda_correct_pin_ctl(), stores the
3949 * value in pin target array via snd_hda_codec_set_pin_target(), then
3950 * actually writes the value via either snd_hda_codec_write_cache() or
3951 * snd_hda_codec_write() depending on @cached flag.
3953 int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
3954 unsigned int val, bool cached)
3956 val = snd_hda_correct_pin_ctl(codec, pin, val);
3957 snd_hda_codec_set_pin_target(codec, pin, val);
3959 return snd_hda_codec_write_cache(codec, pin, 0,
3960 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3962 return snd_hda_codec_write(codec, pin, 0,
3963 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3965 EXPORT_SYMBOL_GPL(_snd_hda_set_pin_ctl);
3968 * snd_hda_add_imux_item - Add an item to input_mux
3969 * @codec: the HDA codec
3970 * @imux: imux helper object
3971 * @label: the name of imux item to assign
3972 * @index: index number of imux item to assign
3973 * @type_idx: pointer to store the resultant label index
3975 * When the same label is used already in the existing items, the number
3976 * suffix is appended to the label. This label index number is stored
3977 * to type_idx when non-NULL pointer is given.
3979 int snd_hda_add_imux_item(struct hda_codec *codec,
3980 struct hda_input_mux *imux, const char *label,
3981 int index, int *type_idx)
3983 int i, label_idx = 0;
3984 if (imux->num_items >= HDA_MAX_NUM_INPUTS) {
3985 codec_err(codec, "hda_codec: Too many imux items!\n");
3988 for (i = 0; i < imux->num_items; i++) {
3989 if (!strncmp(label, imux->items[i].label, strlen(label)))
3993 *type_idx = label_idx;
3995 snprintf(imux->items[imux->num_items].label,
3996 sizeof(imux->items[imux->num_items].label),
3997 "%s %d", label, label_idx);
3999 strlcpy(imux->items[imux->num_items].label, label,
4000 sizeof(imux->items[imux->num_items].label));
4001 imux->items[imux->num_items].index = index;
4005 EXPORT_SYMBOL_GPL(snd_hda_add_imux_item);
4008 * snd_hda_bus_reset_codecs - Reset the bus
4009 * @bus: HD-audio bus
4011 void snd_hda_bus_reset_codecs(struct hda_bus *bus)
4013 struct hda_codec *codec;
4015 list_for_each_codec(codec, bus) {
4016 /* FIXME: maybe a better way needed for forced reset */
4017 if (current_work() != &codec->jackpoll_work.work)
4018 cancel_delayed_work_sync(&codec->jackpoll_work);
4020 if (hda_codec_is_power_on(codec)) {
4021 hda_call_codec_suspend(codec);
4022 hda_call_codec_resume(codec);
4029 * snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer
4030 * @pcm: PCM caps bits
4031 * @buf: the string buffer to write
4032 * @buflen: the max buffer length
4034 * used by hda_proc.c and hda_eld.c
4036 void snd_print_pcm_bits(int pcm, char *buf, int buflen)
4038 static const unsigned int bits[] = { 8, 16, 20, 24, 32 };
4041 for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++)
4042 if (pcm & (AC_SUPPCM_BITS_8 << i))
4043 j += scnprintf(buf + j, buflen - j, " %d", bits[i]);
4045 buf[j] = '\0'; /* necessary when j == 0 */
4047 EXPORT_SYMBOL_GPL(snd_print_pcm_bits);
4049 MODULE_DESCRIPTION("HDA codec core");
4050 MODULE_LICENSE("GPL");