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 void snd_hda_codec_pcm_put(struct hda_pcm *pcm)
708 if (refcount_dec_and_test(&pcm->codec->pcm_ref))
709 wake_up(&pcm->codec->remove_sleep);
711 EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_put);
713 struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec,
714 const char *fmt, ...)
719 pcm = kzalloc(sizeof(*pcm), GFP_KERNEL);
725 pcm->name = kvasprintf(GFP_KERNEL, fmt, args);
732 list_add_tail(&pcm->list, &codec->pcm_list_head);
733 refcount_inc(&codec->pcm_ref);
736 EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_new);
741 void snd_hda_codec_disconnect_pcms(struct hda_codec *codec)
745 list_for_each_entry(pcm, &codec->pcm_list_head, list) {
746 if (pcm->disconnected)
749 snd_device_disconnect(codec->card, pcm->pcm);
750 snd_hda_codec_pcm_put(pcm);
751 pcm->disconnected = 1;
755 static void codec_release_pcms(struct hda_codec *codec)
757 struct hda_pcm *pcm, *n;
759 list_for_each_entry_safe(pcm, n, &codec->pcm_list_head, list) {
760 list_del(&pcm->list);
762 snd_device_free(pcm->codec->card, pcm->pcm);
763 clear_bit(pcm->device, pcm->codec->bus->pcm_dev_bits);
769 void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec)
771 if (codec->registered) {
772 /* pm_runtime_put() is called in snd_hdac_device_exit() */
773 pm_runtime_get_noresume(hda_codec_dev(codec));
774 pm_runtime_disable(hda_codec_dev(codec));
775 codec->registered = 0;
778 snd_hda_codec_disconnect_pcms(codec);
779 cancel_delayed_work_sync(&codec->jackpoll_work);
780 if (!codec->in_freeing)
781 snd_hda_ctls_clear(codec);
782 codec_release_pcms(codec);
783 snd_hda_detach_beep_device(codec);
784 memset(&codec->patch_ops, 0, sizeof(codec->patch_ops));
785 snd_hda_jack_tbl_clear(codec);
786 codec->proc_widget_hook = NULL;
789 /* free only driver_pins so that init_pins + user_pins are restored */
790 snd_array_free(&codec->driver_pins);
791 snd_array_free(&codec->cvt_setups);
792 snd_array_free(&codec->spdif_out);
793 snd_array_free(&codec->verbs);
794 codec->preset = NULL;
795 codec->follower_dig_outs = NULL;
796 codec->spdif_status_reset = 0;
797 snd_array_free(&codec->mixers);
798 snd_array_free(&codec->nids);
799 remove_conn_list(codec);
800 snd_hdac_regmap_exit(&codec->core);
801 codec->configured = 0;
802 refcount_set(&codec->pcm_ref, 1); /* reset refcount */
804 EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup_for_unbind);
806 static unsigned int hda_set_power_state(struct hda_codec *codec,
807 unsigned int power_state);
809 /* enable/disable display power per codec */
810 void snd_hda_codec_display_power(struct hda_codec *codec, bool enable)
812 if (codec->display_power_control)
813 snd_hdac_display_power(&codec->bus->core, codec->addr, enable);
816 /* also called from hda_bind.c */
817 void snd_hda_codec_register(struct hda_codec *codec)
819 if (codec->registered)
821 if (device_is_registered(hda_codec_dev(codec))) {
822 snd_hda_codec_display_power(codec, true);
823 pm_runtime_enable(hda_codec_dev(codec));
824 /* it was powered up in snd_hda_codec_new(), now all done */
825 snd_hda_power_down(codec);
826 codec->registered = 1;
830 static int snd_hda_codec_dev_register(struct snd_device *device)
832 snd_hda_codec_register(device->device_data);
836 static int snd_hda_codec_dev_free(struct snd_device *device)
838 struct hda_codec *codec = device->device_data;
840 codec->in_freeing = 1;
842 * snd_hda_codec_device_new() is used by legacy HDA and ASoC driver.
843 * We can't unregister ASoC device since it will be unregistered in
844 * snd_hdac_ext_bus_device_remove().
846 if (codec->core.type == HDA_DEV_LEGACY)
847 snd_hdac_device_unregister(&codec->core);
848 snd_hda_codec_display_power(codec, false);
851 * In the case of ASoC HD-audio bus, the device refcount is released in
852 * snd_hdac_ext_bus_device_remove() explicitly.
854 if (codec->core.type == HDA_DEV_LEGACY)
855 put_device(hda_codec_dev(codec));
860 static void snd_hda_codec_dev_release(struct device *dev)
862 struct hda_codec *codec = dev_to_hda_codec(dev);
864 free_init_pincfgs(codec);
865 snd_hdac_device_exit(&codec->core);
866 snd_hda_sysfs_clear(codec);
867 kfree(codec->modelname);
871 * In the case of ASoC HD-audio, hda_codec is device managed.
872 * It will be freed when the ASoC device is removed.
874 if (codec->core.type == HDA_DEV_LEGACY)
878 #define DEV_NAME_LEN 31
880 static int snd_hda_codec_device_init(struct hda_bus *bus, struct snd_card *card,
881 unsigned int codec_addr, struct hda_codec **codecp)
883 char name[DEV_NAME_LEN];
884 struct hda_codec *codec;
887 dev_dbg(card->dev, "%s: entry\n", __func__);
889 if (snd_BUG_ON(!bus))
891 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
894 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
898 sprintf(name, "hdaudioC%dD%d", card->number, codec_addr);
899 err = snd_hdac_device_init(&codec->core, &bus->core, name, codec_addr);
905 codec->core.type = HDA_DEV_LEGACY;
912 * snd_hda_codec_new - create a HDA codec
913 * @bus: the bus to assign
914 * @card: card for this codec
915 * @codec_addr: the codec address
916 * @codecp: the pointer to store the generated codec
918 * Returns 0 if successful, or a negative error code.
920 int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card,
921 unsigned int codec_addr, struct hda_codec **codecp)
925 ret = snd_hda_codec_device_init(bus, card, codec_addr, codecp);
929 return snd_hda_codec_device_new(bus, card, codec_addr, *codecp);
931 EXPORT_SYMBOL_GPL(snd_hda_codec_new);
933 int snd_hda_codec_device_new(struct hda_bus *bus, struct snd_card *card,
934 unsigned int codec_addr, struct hda_codec *codec)
939 static const struct snd_device_ops dev_ops = {
940 .dev_register = snd_hda_codec_dev_register,
941 .dev_free = snd_hda_codec_dev_free,
944 dev_dbg(card->dev, "%s: entry\n", __func__);
946 if (snd_BUG_ON(!bus))
948 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
951 codec->core.dev.release = snd_hda_codec_dev_release;
952 codec->core.exec_verb = codec_exec_verb;
956 codec->addr = codec_addr;
957 mutex_init(&codec->spdif_mutex);
958 mutex_init(&codec->control_mutex);
959 snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 32);
960 snd_array_init(&codec->nids, sizeof(struct hda_nid_item), 32);
961 snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16);
962 snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16);
963 snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8);
964 snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16);
965 snd_array_init(&codec->jacktbl, sizeof(struct hda_jack_tbl), 16);
966 snd_array_init(&codec->verbs, sizeof(struct hda_verb *), 8);
967 INIT_LIST_HEAD(&codec->conn_list);
968 INIT_LIST_HEAD(&codec->pcm_list_head);
969 refcount_set(&codec->pcm_ref, 1);
970 init_waitqueue_head(&codec->remove_sleep);
972 INIT_DELAYED_WORK(&codec->jackpoll_work, hda_jackpoll_work);
973 codec->depop_delay = -1;
974 codec->fixup_id = HDA_FIXUP_ID_NOT_SET;
977 codec->power_jiffies = jiffies;
980 snd_hda_sysfs_init(codec);
982 if (codec->bus->modelname) {
983 codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL);
984 if (!codec->modelname) {
990 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
991 err = read_widget_caps(codec, fg);
994 err = read_pin_defaults(codec);
998 /* power-up all before initialization */
999 hda_set_power_state(codec, AC_PWRST_D0);
1000 codec->core.dev.power.power_state = PMSG_ON;
1002 snd_hda_codec_proc_new(codec);
1004 snd_hda_create_hwdep(codec);
1006 sprintf(component, "HDA:%08x,%08x,%08x", codec->core.vendor_id,
1007 codec->core.subsystem_id, codec->core.revision_id);
1008 snd_component_add(card, component);
1010 err = snd_device_new(card, SNDRV_DEV_CODEC, codec, &dev_ops);
1014 /* PM runtime needs to be enabled later after binding codec */
1015 pm_runtime_forbid(&codec->core.dev);
1020 put_device(hda_codec_dev(codec));
1023 EXPORT_SYMBOL_GPL(snd_hda_codec_device_new);
1026 * snd_hda_codec_update_widgets - Refresh widget caps and pin defaults
1027 * @codec: the HDA codec
1029 * Forcibly refresh the all widget caps and the init pin configurations of
1032 int snd_hda_codec_update_widgets(struct hda_codec *codec)
1037 err = snd_hdac_refresh_widgets(&codec->core);
1041 /* Assume the function group node does not change,
1042 * only the widget nodes may change.
1044 kfree(codec->wcaps);
1045 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
1046 err = read_widget_caps(codec, fg);
1050 snd_array_free(&codec->init_pins);
1051 err = read_pin_defaults(codec);
1055 EXPORT_SYMBOL_GPL(snd_hda_codec_update_widgets);
1057 /* update the stream-id if changed */
1058 static void update_pcm_stream_id(struct hda_codec *codec,
1059 struct hda_cvt_setup *p, hda_nid_t nid,
1060 u32 stream_tag, int channel_id)
1062 unsigned int oldval, newval;
1064 if (p->stream_tag != stream_tag || p->channel_id != channel_id) {
1065 oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
1066 newval = (stream_tag << 4) | channel_id;
1067 if (oldval != newval)
1068 snd_hda_codec_write(codec, nid, 0,
1069 AC_VERB_SET_CHANNEL_STREAMID,
1071 p->stream_tag = stream_tag;
1072 p->channel_id = channel_id;
1076 /* update the format-id if changed */
1077 static void update_pcm_format(struct hda_codec *codec, struct hda_cvt_setup *p,
1078 hda_nid_t nid, int format)
1080 unsigned int oldval;
1082 if (p->format_id != format) {
1083 oldval = snd_hda_codec_read(codec, nid, 0,
1084 AC_VERB_GET_STREAM_FORMAT, 0);
1085 if (oldval != format) {
1087 snd_hda_codec_write(codec, nid, 0,
1088 AC_VERB_SET_STREAM_FORMAT,
1091 p->format_id = format;
1096 * snd_hda_codec_setup_stream - set up the codec for streaming
1097 * @codec: the CODEC to set up
1098 * @nid: the NID to set up
1099 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
1100 * @channel_id: channel id to pass, zero based.
1101 * @format: stream format.
1103 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
1105 int channel_id, int format)
1107 struct hda_codec *c;
1108 struct hda_cvt_setup *p;
1116 "hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
1117 nid, stream_tag, channel_id, format);
1118 p = get_hda_cvt_setup(codec, nid);
1122 if (codec->patch_ops.stream_pm)
1123 codec->patch_ops.stream_pm(codec, nid, true);
1124 if (codec->pcm_format_first)
1125 update_pcm_format(codec, p, nid, format);
1126 update_pcm_stream_id(codec, p, nid, stream_tag, channel_id);
1127 if (!codec->pcm_format_first)
1128 update_pcm_format(codec, p, nid, format);
1133 /* make other inactive cvts with the same stream-tag dirty */
1134 type = get_wcaps_type(get_wcaps(codec, nid));
1135 list_for_each_codec(c, codec->bus) {
1136 snd_array_for_each(&c->cvt_setups, i, p) {
1137 if (!p->active && p->stream_tag == stream_tag &&
1138 get_wcaps_type(get_wcaps(c, p->nid)) == type)
1143 EXPORT_SYMBOL_GPL(snd_hda_codec_setup_stream);
1145 static void really_cleanup_stream(struct hda_codec *codec,
1146 struct hda_cvt_setup *q);
1149 * __snd_hda_codec_cleanup_stream - clean up the codec for closing
1150 * @codec: the CODEC to clean up
1151 * @nid: the NID to clean up
1152 * @do_now: really clean up the stream instead of clearing the active flag
1154 void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
1157 struct hda_cvt_setup *p;
1162 if (codec->no_sticky_stream)
1165 codec_dbg(codec, "hda_codec_cleanup_stream: NID=0x%x\n", nid);
1166 p = get_hda_cvt_setup(codec, nid);
1168 /* here we just clear the active flag when do_now isn't set;
1169 * actual clean-ups will be done later in
1170 * purify_inactive_streams() called from snd_hda_codec_prpapre()
1173 really_cleanup_stream(codec, p);
1178 EXPORT_SYMBOL_GPL(__snd_hda_codec_cleanup_stream);
1180 static void really_cleanup_stream(struct hda_codec *codec,
1181 struct hda_cvt_setup *q)
1183 hda_nid_t nid = q->nid;
1184 if (q->stream_tag || q->channel_id)
1185 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1187 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0
1189 memset(q, 0, sizeof(*q));
1191 if (codec->patch_ops.stream_pm)
1192 codec->patch_ops.stream_pm(codec, nid, false);
1195 /* clean up the all conflicting obsolete streams */
1196 static void purify_inactive_streams(struct hda_codec *codec)
1198 struct hda_codec *c;
1199 struct hda_cvt_setup *p;
1202 list_for_each_codec(c, codec->bus) {
1203 snd_array_for_each(&c->cvt_setups, i, p) {
1205 really_cleanup_stream(c, p);
1211 /* clean up all streams; called from suspend */
1212 static void hda_cleanup_all_streams(struct hda_codec *codec)
1214 struct hda_cvt_setup *p;
1217 snd_array_for_each(&codec->cvt_setups, i, p) {
1219 really_cleanup_stream(codec, p);
1225 * amp access functions
1229 * query_amp_caps - query AMP capabilities
1230 * @codec: the HD-auio codec
1231 * @nid: the NID to query
1232 * @direction: either #HDA_INPUT or #HDA_OUTPUT
1234 * Query AMP capabilities for the given widget and direction.
1235 * Returns the obtained capability bits.
1237 * When cap bits have been already read, this doesn't read again but
1238 * returns the cached value.
1240 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
1242 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
1243 nid = codec->core.afg;
1244 return snd_hda_param_read(codec, nid,
1245 direction == HDA_OUTPUT ?
1246 AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
1248 EXPORT_SYMBOL_GPL(query_amp_caps);
1251 * snd_hda_check_amp_caps - query AMP capabilities
1252 * @codec: the HD-audio codec
1253 * @nid: the NID to query
1254 * @dir: either #HDA_INPUT or #HDA_OUTPUT
1255 * @bits: bit mask to check the result
1257 * Check whether the widget has the given amp capability for the direction.
1259 bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
1260 int dir, unsigned int bits)
1264 if (get_wcaps(codec, nid) & (1 << (dir + 1)))
1265 if (query_amp_caps(codec, nid, dir) & bits)
1269 EXPORT_SYMBOL_GPL(snd_hda_check_amp_caps);
1272 * snd_hda_override_amp_caps - Override the AMP capabilities
1273 * @codec: the CODEC to clean up
1274 * @nid: the NID to clean up
1275 * @dir: either #HDA_INPUT or #HDA_OUTPUT
1276 * @caps: the capability bits to set
1278 * Override the cached AMP caps bits value by the given one.
1279 * This function is useful if the driver needs to adjust the AMP ranges,
1280 * e.g. limit to 0dB, etc.
1282 * Returns zero if successful or a negative error code.
1284 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
1289 snd_hda_override_wcaps(codec, nid,
1290 get_wcaps(codec, nid) | AC_WCAP_AMP_OVRD);
1291 parm = dir == HDA_OUTPUT ? AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP;
1292 return snd_hdac_override_parm(&codec->core, nid, parm, caps);
1294 EXPORT_SYMBOL_GPL(snd_hda_override_amp_caps);
1296 static unsigned int encode_amp(struct hda_codec *codec, hda_nid_t nid,
1297 int ch, int dir, int idx)
1299 unsigned int cmd = snd_hdac_regmap_encode_amp(nid, ch, dir, idx);
1301 /* enable fake mute if no h/w mute but min=mute */
1302 if ((query_amp_caps(codec, nid, dir) &
1303 (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) == AC_AMPCAP_MIN_MUTE)
1304 cmd |= AC_AMP_FAKE_MUTE;
1309 * snd_hda_codec_amp_update - update the AMP mono value
1310 * @codec: HD-audio codec
1311 * @nid: NID to read the AMP value
1312 * @ch: channel to update (0 or 1)
1313 * @dir: #HDA_INPUT or #HDA_OUTPUT
1314 * @idx: the index value (only for input direction)
1315 * @mask: bit mask to set
1316 * @val: the bits value to set
1318 * Update the AMP values for the given channel, direction and index.
1320 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid,
1321 int ch, int dir, int idx, int mask, int val)
1323 unsigned int cmd = encode_amp(codec, nid, ch, dir, idx);
1325 return snd_hdac_regmap_update_raw(&codec->core, cmd, mask, val);
1327 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_update);
1330 * snd_hda_codec_amp_stereo - update the AMP stereo values
1331 * @codec: HD-audio codec
1332 * @nid: NID to read the AMP value
1333 * @direction: #HDA_INPUT or #HDA_OUTPUT
1334 * @idx: the index value (only for input direction)
1335 * @mask: bit mask to set
1336 * @val: the bits value to set
1338 * Update the AMP values like snd_hda_codec_amp_update(), but for a
1339 * stereo widget with the same mask and value.
1341 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
1342 int direction, int idx, int mask, int val)
1346 if (snd_BUG_ON(mask & ~0xff))
1348 for (ch = 0; ch < 2; ch++)
1349 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
1353 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_stereo);
1356 * snd_hda_codec_amp_init - initialize the AMP value
1357 * @codec: the HDA codec
1358 * @nid: NID to read the AMP value
1359 * @ch: channel (left=0 or right=1)
1360 * @dir: #HDA_INPUT or #HDA_OUTPUT
1361 * @idx: the index value (only for input direction)
1362 * @mask: bit mask to set
1363 * @val: the bits value to set
1365 * Works like snd_hda_codec_amp_update() but it writes the value only at
1366 * the first access. If the amp was already initialized / updated beforehand,
1367 * this does nothing.
1369 int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
1370 int dir, int idx, int mask, int val)
1372 unsigned int cmd = encode_amp(codec, nid, ch, dir, idx);
1374 if (!codec->core.regmap)
1376 return snd_hdac_regmap_update_raw_once(&codec->core, cmd, mask, val);
1378 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init);
1381 * snd_hda_codec_amp_init_stereo - initialize the stereo AMP value
1382 * @codec: the HDA codec
1383 * @nid: NID to read the AMP value
1384 * @dir: #HDA_INPUT or #HDA_OUTPUT
1385 * @idx: the index value (only for input direction)
1386 * @mask: bit mask to set
1387 * @val: the bits value to set
1389 * Call snd_hda_codec_amp_init() for both stereo channels.
1391 int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
1392 int dir, int idx, int mask, int val)
1396 if (snd_BUG_ON(mask & ~0xff))
1398 for (ch = 0; ch < 2; ch++)
1399 ret |= snd_hda_codec_amp_init(codec, nid, ch, dir,
1403 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init_stereo);
1405 static u32 get_amp_max_value(struct hda_codec *codec, hda_nid_t nid, int dir,
1408 u32 caps = query_amp_caps(codec, nid, dir);
1410 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1417 * snd_hda_mixer_amp_volume_info - Info callback for a standard AMP mixer
1418 * @kcontrol: referred ctl element
1419 * @uinfo: pointer to get/store the data
1421 * The control element is supposed to have the private_value field
1422 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1424 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
1425 struct snd_ctl_elem_info *uinfo)
1427 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1428 u16 nid = get_amp_nid(kcontrol);
1429 u8 chs = get_amp_channels(kcontrol);
1430 int dir = get_amp_direction(kcontrol);
1431 unsigned int ofs = get_amp_offset(kcontrol);
1433 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1434 uinfo->count = chs == 3 ? 2 : 1;
1435 uinfo->value.integer.min = 0;
1436 uinfo->value.integer.max = get_amp_max_value(codec, nid, dir, ofs);
1437 if (!uinfo->value.integer.max) {
1439 "num_steps = 0 for NID=0x%x (ctl = %s)\n",
1440 nid, kcontrol->id.name);
1445 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_info);
1448 static inline unsigned int
1449 read_amp_value(struct hda_codec *codec, hda_nid_t nid,
1450 int ch, int dir, int idx, unsigned int ofs)
1453 val = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
1454 val &= HDA_AMP_VOLMASK;
1463 update_amp_value(struct hda_codec *codec, hda_nid_t nid,
1464 int ch, int dir, int idx, unsigned int ofs,
1467 unsigned int maxval;
1471 /* ofs = 0: raw max value */
1472 maxval = get_amp_max_value(codec, nid, dir, 0);
1475 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx,
1476 HDA_AMP_VOLMASK, val);
1480 * snd_hda_mixer_amp_volume_get - Get callback for a standard AMP mixer volume
1481 * @kcontrol: ctl element
1482 * @ucontrol: pointer to get/store the data
1484 * The control element is supposed to have the private_value field
1485 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1487 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
1488 struct snd_ctl_elem_value *ucontrol)
1490 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1491 hda_nid_t nid = get_amp_nid(kcontrol);
1492 int chs = get_amp_channels(kcontrol);
1493 int dir = get_amp_direction(kcontrol);
1494 int idx = get_amp_index(kcontrol);
1495 unsigned int ofs = get_amp_offset(kcontrol);
1496 long *valp = ucontrol->value.integer.value;
1499 *valp++ = read_amp_value(codec, nid, 0, dir, idx, ofs);
1501 *valp = read_amp_value(codec, nid, 1, dir, idx, ofs);
1504 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_get);
1507 * snd_hda_mixer_amp_volume_put - Put callback for a standard AMP mixer volume
1508 * @kcontrol: ctl element
1509 * @ucontrol: pointer to get/store the data
1511 * The control element is supposed to have the private_value field
1512 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1514 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1515 struct snd_ctl_elem_value *ucontrol)
1517 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1518 hda_nid_t nid = get_amp_nid(kcontrol);
1519 int chs = get_amp_channels(kcontrol);
1520 int dir = get_amp_direction(kcontrol);
1521 int idx = get_amp_index(kcontrol);
1522 unsigned int ofs = get_amp_offset(kcontrol);
1523 long *valp = ucontrol->value.integer.value;
1527 change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp);
1531 change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp);
1534 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_put);
1536 /* inquiry the amp caps and convert to TLV */
1537 static void get_ctl_amp_tlv(struct snd_kcontrol *kcontrol, unsigned int *tlv)
1539 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1540 hda_nid_t nid = get_amp_nid(kcontrol);
1541 int dir = get_amp_direction(kcontrol);
1542 unsigned int ofs = get_amp_offset(kcontrol);
1543 bool min_mute = get_amp_min_mute(kcontrol);
1544 u32 caps, val1, val2;
1546 caps = query_amp_caps(codec, nid, dir);
1547 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1548 val2 = (val2 + 1) * 25;
1549 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1551 val1 = ((int)val1) * ((int)val2);
1552 if (min_mute || (caps & AC_AMPCAP_MIN_MUTE))
1553 val2 |= TLV_DB_SCALE_MUTE;
1554 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1555 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1556 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = val1;
1557 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = val2;
1561 * snd_hda_mixer_amp_tlv - TLV callback for a standard AMP mixer volume
1562 * @kcontrol: ctl element
1563 * @op_flag: operation flag
1564 * @size: byte size of input TLV
1567 * The control element is supposed to have the private_value field
1568 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1570 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1571 unsigned int size, unsigned int __user *_tlv)
1573 unsigned int tlv[4];
1575 if (size < 4 * sizeof(unsigned int))
1577 get_ctl_amp_tlv(kcontrol, tlv);
1578 if (copy_to_user(_tlv, tlv, sizeof(tlv)))
1582 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_tlv);
1585 * snd_hda_set_vmaster_tlv - Set TLV for a virtual master control
1586 * @codec: HD-audio codec
1587 * @nid: NID of a reference widget
1588 * @dir: #HDA_INPUT or #HDA_OUTPUT
1589 * @tlv: TLV data to be stored, at least 4 elements
1591 * Set (static) TLV data for a virtual master volume using the AMP caps
1592 * obtained from the reference NID.
1593 * The volume range is recalculated as if the max volume is 0dB.
1595 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1601 caps = query_amp_caps(codec, nid, dir);
1602 nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1603 step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1604 step = (step + 1) * 25;
1605 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1606 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1607 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = -nums * step;
1608 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = step;
1610 EXPORT_SYMBOL_GPL(snd_hda_set_vmaster_tlv);
1612 /* find a mixer control element with the given name */
1613 static struct snd_kcontrol *
1614 find_mixer_ctl(struct hda_codec *codec, const char *name, int dev, int idx)
1616 struct snd_ctl_elem_id id;
1617 memset(&id, 0, sizeof(id));
1618 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1621 if (snd_BUG_ON(strlen(name) >= sizeof(id.name)))
1623 strcpy(id.name, name);
1624 return snd_ctl_find_id(codec->card, &id);
1628 * snd_hda_find_mixer_ctl - Find a mixer control element with the given name
1629 * @codec: HD-audio codec
1630 * @name: ctl id name string
1632 * Get the control element with the given id string and IFACE_MIXER.
1634 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1637 return find_mixer_ctl(codec, name, 0, 0);
1639 EXPORT_SYMBOL_GPL(snd_hda_find_mixer_ctl);
1641 static int find_empty_mixer_ctl_idx(struct hda_codec *codec, const char *name,
1645 /* 16 ctlrs should be large enough */
1646 for (i = 0, idx = start_idx; i < 16; i++, idx++) {
1647 if (!find_mixer_ctl(codec, name, 0, idx))
1654 * snd_hda_ctl_add - Add a control element and assign to the codec
1655 * @codec: HD-audio codec
1656 * @nid: corresponding NID (optional)
1657 * @kctl: the control element to assign
1659 * Add the given control element to an array inside the codec instance.
1660 * All control elements belonging to a codec are supposed to be added
1661 * by this function so that a proper clean-up works at the free or
1662 * reconfiguration time.
1664 * If non-zero @nid is passed, the NID is assigned to the control element.
1665 * The assignment is shown in the codec proc file.
1667 * snd_hda_ctl_add() checks the control subdev id field whether
1668 * #HDA_SUBDEV_NID_FLAG bit is set. If set (and @nid is zero), the lower
1669 * bits value is taken as the NID to assign. The #HDA_NID_ITEM_AMP bit
1670 * specifies if kctl->private_value is a HDA amplifier value.
1672 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
1673 struct snd_kcontrol *kctl)
1676 unsigned short flags = 0;
1677 struct hda_nid_item *item;
1679 if (kctl->id.subdevice & HDA_SUBDEV_AMP_FLAG) {
1680 flags |= HDA_NID_ITEM_AMP;
1682 nid = get_amp_nid_(kctl->private_value);
1684 if ((kctl->id.subdevice & HDA_SUBDEV_NID_FLAG) != 0 && nid == 0)
1685 nid = kctl->id.subdevice & 0xffff;
1686 if (kctl->id.subdevice & (HDA_SUBDEV_NID_FLAG|HDA_SUBDEV_AMP_FLAG))
1687 kctl->id.subdevice = 0;
1688 err = snd_ctl_add(codec->card, kctl);
1691 item = snd_array_new(&codec->mixers);
1696 item->flags = flags;
1699 EXPORT_SYMBOL_GPL(snd_hda_ctl_add);
1702 * snd_hda_add_nid - Assign a NID to a control element
1703 * @codec: HD-audio codec
1704 * @nid: corresponding NID (optional)
1705 * @kctl: the control element to assign
1706 * @index: index to kctl
1708 * Add the given control element to an array inside the codec instance.
1709 * This function is used when #snd_hda_ctl_add cannot be used for 1:1
1710 * NID:KCTL mapping - for example "Capture Source" selector.
1712 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
1713 unsigned int index, hda_nid_t nid)
1715 struct hda_nid_item *item;
1718 item = snd_array_new(&codec->nids);
1722 item->index = index;
1726 codec_err(codec, "no NID for mapping control %s:%d:%d\n",
1727 kctl->id.name, kctl->id.index, index);
1730 EXPORT_SYMBOL_GPL(snd_hda_add_nid);
1733 * snd_hda_ctls_clear - Clear all controls assigned to the given codec
1734 * @codec: HD-audio codec
1736 void snd_hda_ctls_clear(struct hda_codec *codec)
1739 struct hda_nid_item *items = codec->mixers.list;
1741 down_write(&codec->card->controls_rwsem);
1742 for (i = 0; i < codec->mixers.used; i++)
1743 snd_ctl_remove(codec->card, items[i].kctl);
1744 up_write(&codec->card->controls_rwsem);
1745 snd_array_free(&codec->mixers);
1746 snd_array_free(&codec->nids);
1750 * snd_hda_lock_devices - pseudo device locking
1753 * toggle card->shutdown to allow/disallow the device access (as a hack)
1755 int snd_hda_lock_devices(struct hda_bus *bus)
1757 struct snd_card *card = bus->card;
1758 struct hda_codec *codec;
1760 spin_lock(&card->files_lock);
1764 if (!list_empty(&card->ctl_files))
1767 list_for_each_codec(codec, bus) {
1768 struct hda_pcm *cpcm;
1769 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
1772 if (cpcm->pcm->streams[0].substream_opened ||
1773 cpcm->pcm->streams[1].substream_opened)
1777 spin_unlock(&card->files_lock);
1783 spin_unlock(&card->files_lock);
1786 EXPORT_SYMBOL_GPL(snd_hda_lock_devices);
1789 * snd_hda_unlock_devices - pseudo device unlocking
1792 void snd_hda_unlock_devices(struct hda_bus *bus)
1794 struct snd_card *card = bus->card;
1796 spin_lock(&card->files_lock);
1798 spin_unlock(&card->files_lock);
1800 EXPORT_SYMBOL_GPL(snd_hda_unlock_devices);
1803 * snd_hda_codec_reset - Clear all objects assigned to the codec
1804 * @codec: HD-audio codec
1806 * This frees the all PCM and control elements assigned to the codec, and
1807 * clears the caches and restores the pin default configurations.
1809 * When a device is being used, it returns -EBSY. If successfully freed,
1812 int snd_hda_codec_reset(struct hda_codec *codec)
1814 struct hda_bus *bus = codec->bus;
1816 if (snd_hda_lock_devices(bus) < 0)
1819 /* OK, let it free */
1820 device_release_driver(hda_codec_dev(codec));
1822 /* allow device access again */
1823 snd_hda_unlock_devices(bus);
1827 typedef int (*map_follower_func_t)(struct hda_codec *, void *, struct snd_kcontrol *);
1829 /* apply the function to all matching follower ctls in the mixer list */
1830 static int map_followers(struct hda_codec *codec, const char * const *followers,
1831 const char *suffix, map_follower_func_t func, void *data)
1833 struct hda_nid_item *items;
1834 const char * const *s;
1837 items = codec->mixers.list;
1838 for (i = 0; i < codec->mixers.used; i++) {
1839 struct snd_kcontrol *sctl = items[i].kctl;
1840 if (!sctl || sctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER)
1842 for (s = followers; *s; s++) {
1843 char tmpname[sizeof(sctl->id.name)];
1844 const char *name = *s;
1846 snprintf(tmpname, sizeof(tmpname), "%s %s",
1850 if (!strcmp(sctl->id.name, name)) {
1851 err = func(codec, data, sctl);
1861 static int check_follower_present(struct hda_codec *codec,
1862 void *data, struct snd_kcontrol *sctl)
1867 /* call kctl->put with the given value(s) */
1868 static int put_kctl_with_value(struct snd_kcontrol *kctl, int val)
1870 struct snd_ctl_elem_value *ucontrol;
1871 ucontrol = kzalloc(sizeof(*ucontrol), GFP_KERNEL);
1874 ucontrol->value.integer.value[0] = val;
1875 ucontrol->value.integer.value[1] = val;
1876 kctl->put(kctl, ucontrol);
1881 struct follower_init_arg {
1882 struct hda_codec *codec;
1886 /* initialize the follower volume with 0dB via snd_ctl_apply_vmaster_followers() */
1887 static int init_follower_0dB(struct snd_kcontrol *follower,
1888 struct snd_kcontrol *kctl,
1891 struct follower_init_arg *arg = _arg;
1893 const int *tlv = NULL;
1897 if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
1898 if (kctl->tlv.c != snd_hda_mixer_amp_tlv) {
1899 codec_err(arg->codec,
1900 "Unexpected TLV callback for follower %s:%d\n",
1901 kctl->id.name, kctl->id.index);
1902 return 0; /* ignore */
1904 get_ctl_amp_tlv(kctl, _tlv);
1906 } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ)
1909 if (!tlv || tlv[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE)
1912 step = tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP];
1913 step &= ~TLV_DB_SCALE_MUTE;
1916 if (arg->step && arg->step != step) {
1917 codec_err(arg->codec,
1918 "Mismatching dB step for vmaster follower (%d!=%d)\n",
1924 val = -tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] / step;
1926 put_kctl_with_value(follower, val);
1933 /* unmute the follower via snd_ctl_apply_vmaster_followers() */
1934 static int init_follower_unmute(struct snd_kcontrol *follower,
1935 struct snd_kcontrol *kctl,
1938 return put_kctl_with_value(follower, 1);
1941 static int add_follower(struct hda_codec *codec,
1942 void *data, struct snd_kcontrol *follower)
1944 return snd_ctl_add_follower(data, follower);
1948 * __snd_hda_add_vmaster - create a virtual master control and add followers
1949 * @codec: HD-audio codec
1950 * @name: vmaster control name
1951 * @tlv: TLV data (optional)
1952 * @followers: follower control names (optional)
1953 * @suffix: suffix string to each follower name (optional)
1954 * @init_follower_vol: initialize followers to unmute/0dB
1955 * @access: kcontrol access rights
1956 * @ctl_ret: store the vmaster kcontrol in return
1958 * Create a virtual master control with the given name. The TLV data
1959 * must be either NULL or a valid data.
1961 * @followers is a NULL-terminated array of strings, each of which is a
1962 * follower control name. All controls with these names are assigned to
1963 * the new virtual master control.
1965 * This function returns zero if successful or a negative error code.
1967 int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
1968 unsigned int *tlv, const char * const *followers,
1969 const char *suffix, bool init_follower_vol,
1970 unsigned int access, struct snd_kcontrol **ctl_ret)
1972 struct snd_kcontrol *kctl;
1978 err = map_followers(codec, followers, suffix, check_follower_present, NULL);
1980 codec_dbg(codec, "No follower found for %s\n", name);
1983 kctl = snd_ctl_make_virtual_master(name, tlv);
1986 kctl->vd[0].access |= access;
1987 err = snd_hda_ctl_add(codec, 0, kctl);
1991 err = map_followers(codec, followers, suffix, add_follower, kctl);
1995 /* init with master mute & zero volume */
1996 put_kctl_with_value(kctl, 0);
1997 if (init_follower_vol) {
1998 struct follower_init_arg arg = {
2002 snd_ctl_apply_vmaster_followers(kctl,
2003 tlv ? init_follower_0dB : init_follower_unmute,
2011 EXPORT_SYMBOL_GPL(__snd_hda_add_vmaster);
2013 /* meta hook to call each driver's vmaster hook */
2014 static void vmaster_hook(void *private_data, int enabled)
2016 struct hda_vmaster_mute_hook *hook = private_data;
2018 hook->hook(hook->codec, enabled);
2022 * snd_hda_add_vmaster_hook - Add a vmaster hw specific hook
2023 * @codec: the HDA codec
2024 * @hook: the vmaster hook object
2026 * Add a hw specific hook (like EAPD) with the given vmaster switch kctl.
2028 int snd_hda_add_vmaster_hook(struct hda_codec *codec,
2029 struct hda_vmaster_mute_hook *hook)
2031 if (!hook->hook || !hook->sw_kctl)
2033 hook->codec = codec;
2034 snd_ctl_add_vmaster_hook(hook->sw_kctl, vmaster_hook, hook);
2037 EXPORT_SYMBOL_GPL(snd_hda_add_vmaster_hook);
2040 * snd_hda_sync_vmaster_hook - Sync vmaster hook
2041 * @hook: the vmaster hook
2043 * Call the hook with the current value for synchronization.
2044 * Should be called in init callback.
2046 void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook)
2048 if (!hook->hook || !hook->codec)
2050 /* don't call vmaster hook in the destructor since it might have
2051 * been already destroyed
2053 if (hook->codec->bus->shutdown)
2055 snd_ctl_sync_vmaster_hook(hook->sw_kctl);
2057 EXPORT_SYMBOL_GPL(snd_hda_sync_vmaster_hook);
2061 * snd_hda_mixer_amp_switch_info - Info callback for a standard AMP mixer switch
2062 * @kcontrol: referred ctl element
2063 * @uinfo: pointer to get/store the data
2065 * The control element is supposed to have the private_value field
2066 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2068 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
2069 struct snd_ctl_elem_info *uinfo)
2071 int chs = get_amp_channels(kcontrol);
2073 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2074 uinfo->count = chs == 3 ? 2 : 1;
2075 uinfo->value.integer.min = 0;
2076 uinfo->value.integer.max = 1;
2079 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_info);
2082 * snd_hda_mixer_amp_switch_get - Get callback for a standard AMP mixer switch
2083 * @kcontrol: ctl element
2084 * @ucontrol: pointer to get/store the data
2086 * The control element is supposed to have the private_value field
2087 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2089 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
2090 struct snd_ctl_elem_value *ucontrol)
2092 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2093 hda_nid_t nid = get_amp_nid(kcontrol);
2094 int chs = get_amp_channels(kcontrol);
2095 int dir = get_amp_direction(kcontrol);
2096 int idx = get_amp_index(kcontrol);
2097 long *valp = ucontrol->value.integer.value;
2100 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
2101 HDA_AMP_MUTE) ? 0 : 1;
2103 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
2104 HDA_AMP_MUTE) ? 0 : 1;
2107 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_get);
2110 * snd_hda_mixer_amp_switch_put - Put callback for a standard AMP mixer switch
2111 * @kcontrol: ctl element
2112 * @ucontrol: pointer to get/store the data
2114 * The control element is supposed to have the private_value field
2115 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2117 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
2118 struct snd_ctl_elem_value *ucontrol)
2120 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2121 hda_nid_t nid = get_amp_nid(kcontrol);
2122 int chs = get_amp_channels(kcontrol);
2123 int dir = get_amp_direction(kcontrol);
2124 int idx = get_amp_index(kcontrol);
2125 long *valp = ucontrol->value.integer.value;
2129 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
2131 *valp ? 0 : HDA_AMP_MUTE);
2135 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
2137 *valp ? 0 : HDA_AMP_MUTE);
2138 hda_call_check_power_status(codec, nid);
2141 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put);
2144 * SPDIF out controls
2147 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
2148 struct snd_ctl_elem_info *uinfo)
2150 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2155 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
2156 struct snd_ctl_elem_value *ucontrol)
2158 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2159 IEC958_AES0_NONAUDIO |
2160 IEC958_AES0_CON_EMPHASIS_5015 |
2161 IEC958_AES0_CON_NOT_COPYRIGHT;
2162 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
2163 IEC958_AES1_CON_ORIGINAL;
2167 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
2168 struct snd_ctl_elem_value *ucontrol)
2170 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2171 IEC958_AES0_NONAUDIO |
2172 IEC958_AES0_PRO_EMPHASIS_5015;
2176 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
2177 struct snd_ctl_elem_value *ucontrol)
2179 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2180 int idx = kcontrol->private_value;
2181 struct hda_spdif_out *spdif;
2183 if (WARN_ON(codec->spdif_out.used <= idx))
2185 mutex_lock(&codec->spdif_mutex);
2186 spdif = snd_array_elem(&codec->spdif_out, idx);
2187 ucontrol->value.iec958.status[0] = spdif->status & 0xff;
2188 ucontrol->value.iec958.status[1] = (spdif->status >> 8) & 0xff;
2189 ucontrol->value.iec958.status[2] = (spdif->status >> 16) & 0xff;
2190 ucontrol->value.iec958.status[3] = (spdif->status >> 24) & 0xff;
2191 mutex_unlock(&codec->spdif_mutex);
2196 /* convert from SPDIF status bits to HDA SPDIF bits
2197 * bit 0 (DigEn) is always set zero (to be filled later)
2199 static unsigned short convert_from_spdif_status(unsigned int sbits)
2201 unsigned short val = 0;
2203 if (sbits & IEC958_AES0_PROFESSIONAL)
2204 val |= AC_DIG1_PROFESSIONAL;
2205 if (sbits & IEC958_AES0_NONAUDIO)
2206 val |= AC_DIG1_NONAUDIO;
2207 if (sbits & IEC958_AES0_PROFESSIONAL) {
2208 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
2209 IEC958_AES0_PRO_EMPHASIS_5015)
2210 val |= AC_DIG1_EMPHASIS;
2212 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
2213 IEC958_AES0_CON_EMPHASIS_5015)
2214 val |= AC_DIG1_EMPHASIS;
2215 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
2216 val |= AC_DIG1_COPYRIGHT;
2217 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
2218 val |= AC_DIG1_LEVEL;
2219 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
2224 /* convert to SPDIF status bits from HDA SPDIF bits
2226 static unsigned int convert_to_spdif_status(unsigned short val)
2228 unsigned int sbits = 0;
2230 if (val & AC_DIG1_NONAUDIO)
2231 sbits |= IEC958_AES0_NONAUDIO;
2232 if (val & AC_DIG1_PROFESSIONAL)
2233 sbits |= IEC958_AES0_PROFESSIONAL;
2234 if (sbits & IEC958_AES0_PROFESSIONAL) {
2235 if (val & AC_DIG1_EMPHASIS)
2236 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
2238 if (val & AC_DIG1_EMPHASIS)
2239 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
2240 if (!(val & AC_DIG1_COPYRIGHT))
2241 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
2242 if (val & AC_DIG1_LEVEL)
2243 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
2244 sbits |= val & (0x7f << 8);
2249 /* set digital convert verbs both for the given NID and its followers */
2250 static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
2255 snd_hdac_regmap_update(&codec->core, nid, AC_VERB_SET_DIGI_CONVERT_1,
2257 d = codec->follower_dig_outs;
2261 snd_hdac_regmap_update(&codec->core, *d,
2262 AC_VERB_SET_DIGI_CONVERT_1, mask, val);
2265 static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
2268 unsigned int mask = 0;
2269 unsigned int val = 0;
2279 set_dig_out(codec, nid, mask, val);
2282 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
2283 struct snd_ctl_elem_value *ucontrol)
2285 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2286 int idx = kcontrol->private_value;
2287 struct hda_spdif_out *spdif;
2292 if (WARN_ON(codec->spdif_out.used <= idx))
2294 mutex_lock(&codec->spdif_mutex);
2295 spdif = snd_array_elem(&codec->spdif_out, idx);
2297 spdif->status = ucontrol->value.iec958.status[0] |
2298 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
2299 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
2300 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
2301 val = convert_from_spdif_status(spdif->status);
2302 val |= spdif->ctls & 1;
2303 change = spdif->ctls != val;
2305 if (change && nid != (u16)-1)
2306 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
2307 mutex_unlock(&codec->spdif_mutex);
2311 #define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
2313 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
2314 struct snd_ctl_elem_value *ucontrol)
2316 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2317 int idx = kcontrol->private_value;
2318 struct hda_spdif_out *spdif;
2320 if (WARN_ON(codec->spdif_out.used <= idx))
2322 mutex_lock(&codec->spdif_mutex);
2323 spdif = snd_array_elem(&codec->spdif_out, idx);
2324 ucontrol->value.integer.value[0] = spdif->ctls & AC_DIG1_ENABLE;
2325 mutex_unlock(&codec->spdif_mutex);
2329 static inline void set_spdif_ctls(struct hda_codec *codec, hda_nid_t nid,
2332 set_dig_out_convert(codec, nid, dig1, dig2);
2333 /* unmute amp switch (if any) */
2334 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
2335 (dig1 & AC_DIG1_ENABLE))
2336 snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
2340 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
2341 struct snd_ctl_elem_value *ucontrol)
2343 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2344 int idx = kcontrol->private_value;
2345 struct hda_spdif_out *spdif;
2350 if (WARN_ON(codec->spdif_out.used <= idx))
2352 mutex_lock(&codec->spdif_mutex);
2353 spdif = snd_array_elem(&codec->spdif_out, idx);
2355 val = spdif->ctls & ~AC_DIG1_ENABLE;
2356 if (ucontrol->value.integer.value[0])
2357 val |= AC_DIG1_ENABLE;
2358 change = spdif->ctls != val;
2360 if (change && nid != (u16)-1)
2361 set_spdif_ctls(codec, nid, val & 0xff, -1);
2362 mutex_unlock(&codec->spdif_mutex);
2366 static const struct snd_kcontrol_new dig_mixes[] = {
2368 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2369 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2370 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
2371 .info = snd_hda_spdif_mask_info,
2372 .get = snd_hda_spdif_cmask_get,
2375 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2376 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2377 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
2378 .info = snd_hda_spdif_mask_info,
2379 .get = snd_hda_spdif_pmask_get,
2382 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2383 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
2384 .info = snd_hda_spdif_mask_info,
2385 .get = snd_hda_spdif_default_get,
2386 .put = snd_hda_spdif_default_put,
2389 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2390 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
2391 .info = snd_hda_spdif_out_switch_info,
2392 .get = snd_hda_spdif_out_switch_get,
2393 .put = snd_hda_spdif_out_switch_put,
2399 * snd_hda_create_dig_out_ctls - create Output SPDIF-related controls
2400 * @codec: the HDA codec
2401 * @associated_nid: NID that new ctls associated with
2402 * @cvt_nid: converter NID
2403 * @type: HDA_PCM_TYPE_*
2404 * Creates controls related with the digital output.
2405 * Called from each patch supporting the digital out.
2407 * Returns 0 if successful, or a negative error code.
2409 int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
2410 hda_nid_t associated_nid,
2415 struct snd_kcontrol *kctl;
2416 const struct snd_kcontrol_new *dig_mix;
2419 const int spdif_index = 16;
2420 struct hda_spdif_out *spdif;
2421 struct hda_bus *bus = codec->bus;
2423 if (bus->primary_dig_out_type == HDA_PCM_TYPE_HDMI &&
2424 type == HDA_PCM_TYPE_SPDIF) {
2426 } else if (bus->primary_dig_out_type == HDA_PCM_TYPE_SPDIF &&
2427 type == HDA_PCM_TYPE_HDMI) {
2428 /* suppose a single SPDIF device */
2429 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2430 kctl = find_mixer_ctl(codec, dig_mix->name, 0, 0);
2433 kctl->id.index = spdif_index;
2435 bus->primary_dig_out_type = HDA_PCM_TYPE_HDMI;
2437 if (!bus->primary_dig_out_type)
2438 bus->primary_dig_out_type = type;
2440 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Playback Switch", idx);
2442 codec_err(codec, "too many IEC958 outputs\n");
2445 spdif = snd_array_new(&codec->spdif_out);
2448 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2449 kctl = snd_ctl_new1(dig_mix, codec);
2452 kctl->id.index = idx;
2453 kctl->private_value = codec->spdif_out.used - 1;
2454 err = snd_hda_ctl_add(codec, associated_nid, kctl);
2458 spdif->nid = cvt_nid;
2459 snd_hdac_regmap_read(&codec->core, cvt_nid,
2460 AC_VERB_GET_DIGI_CONVERT_1, &val);
2462 spdif->status = convert_to_spdif_status(spdif->ctls);
2465 EXPORT_SYMBOL_GPL(snd_hda_create_dig_out_ctls);
2468 * snd_hda_spdif_out_of_nid - get the hda_spdif_out entry from the given NID
2469 * @codec: the HDA codec
2472 * call within spdif_mutex lock
2474 struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
2477 struct hda_spdif_out *spdif;
2480 snd_array_for_each(&codec->spdif_out, i, spdif) {
2481 if (spdif->nid == nid)
2486 EXPORT_SYMBOL_GPL(snd_hda_spdif_out_of_nid);
2489 * snd_hda_spdif_ctls_unassign - Unassign the given SPDIF ctl
2490 * @codec: the HDA codec
2491 * @idx: the SPDIF ctl index
2493 * Unassign the widget from the given SPDIF control.
2495 void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx)
2497 struct hda_spdif_out *spdif;
2499 if (WARN_ON(codec->spdif_out.used <= idx))
2501 mutex_lock(&codec->spdif_mutex);
2502 spdif = snd_array_elem(&codec->spdif_out, idx);
2503 spdif->nid = (u16)-1;
2504 mutex_unlock(&codec->spdif_mutex);
2506 EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_unassign);
2509 * snd_hda_spdif_ctls_assign - Assign the SPDIF controls to the given NID
2510 * @codec: the HDA codec
2511 * @idx: the SPDIF ctl idx
2514 * Assign the widget to the SPDIF control with the given index.
2516 void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid)
2518 struct hda_spdif_out *spdif;
2521 if (WARN_ON(codec->spdif_out.used <= idx))
2523 mutex_lock(&codec->spdif_mutex);
2524 spdif = snd_array_elem(&codec->spdif_out, idx);
2525 if (spdif->nid != nid) {
2528 set_spdif_ctls(codec, nid, val & 0xff, (val >> 8) & 0xff);
2530 mutex_unlock(&codec->spdif_mutex);
2532 EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_assign);
2535 * SPDIF sharing with analog output
2537 static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
2538 struct snd_ctl_elem_value *ucontrol)
2540 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2541 ucontrol->value.integer.value[0] = mout->share_spdif;
2545 static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
2546 struct snd_ctl_elem_value *ucontrol)
2548 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2549 mout->share_spdif = !!ucontrol->value.integer.value[0];
2553 static const struct snd_kcontrol_new spdif_share_sw = {
2554 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2555 .name = "IEC958 Default PCM Playback Switch",
2556 .info = snd_ctl_boolean_mono_info,
2557 .get = spdif_share_sw_get,
2558 .put = spdif_share_sw_put,
2562 * snd_hda_create_spdif_share_sw - create Default PCM switch
2563 * @codec: the HDA codec
2564 * @mout: multi-out instance
2566 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
2567 struct hda_multi_out *mout)
2569 struct snd_kcontrol *kctl;
2571 if (!mout->dig_out_nid)
2574 kctl = snd_ctl_new1(&spdif_share_sw, mout);
2577 /* ATTENTION: here mout is passed as private_data, instead of codec */
2578 return snd_hda_ctl_add(codec, mout->dig_out_nid, kctl);
2580 EXPORT_SYMBOL_GPL(snd_hda_create_spdif_share_sw);
2586 #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
2588 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
2589 struct snd_ctl_elem_value *ucontrol)
2591 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2593 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
2597 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
2598 struct snd_ctl_elem_value *ucontrol)
2600 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2601 hda_nid_t nid = kcontrol->private_value;
2602 unsigned int val = !!ucontrol->value.integer.value[0];
2605 mutex_lock(&codec->spdif_mutex);
2606 change = codec->spdif_in_enable != val;
2608 codec->spdif_in_enable = val;
2609 snd_hdac_regmap_write(&codec->core, nid,
2610 AC_VERB_SET_DIGI_CONVERT_1, val);
2612 mutex_unlock(&codec->spdif_mutex);
2616 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
2617 struct snd_ctl_elem_value *ucontrol)
2619 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2620 hda_nid_t nid = kcontrol->private_value;
2624 snd_hdac_regmap_read(&codec->core, nid,
2625 AC_VERB_GET_DIGI_CONVERT_1, &val);
2626 sbits = convert_to_spdif_status(val);
2627 ucontrol->value.iec958.status[0] = sbits;
2628 ucontrol->value.iec958.status[1] = sbits >> 8;
2629 ucontrol->value.iec958.status[2] = sbits >> 16;
2630 ucontrol->value.iec958.status[3] = sbits >> 24;
2634 static const struct snd_kcontrol_new dig_in_ctls[] = {
2636 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2637 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, SWITCH),
2638 .info = snd_hda_spdif_in_switch_info,
2639 .get = snd_hda_spdif_in_switch_get,
2640 .put = snd_hda_spdif_in_switch_put,
2643 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2644 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2645 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
2646 .info = snd_hda_spdif_mask_info,
2647 .get = snd_hda_spdif_in_status_get,
2653 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
2654 * @codec: the HDA codec
2655 * @nid: audio in widget NID
2657 * Creates controls related with the SPDIF input.
2658 * Called from each patch supporting the SPDIF in.
2660 * Returns 0 if successful, or a negative error code.
2662 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
2665 struct snd_kcontrol *kctl;
2666 const struct snd_kcontrol_new *dig_mix;
2669 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Capture Switch", 0);
2671 codec_err(codec, "too many IEC958 inputs\n");
2674 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
2675 kctl = snd_ctl_new1(dig_mix, codec);
2678 kctl->private_value = nid;
2679 err = snd_hda_ctl_add(codec, nid, kctl);
2683 codec->spdif_in_enable =
2684 snd_hda_codec_read(codec, nid, 0,
2685 AC_VERB_GET_DIGI_CONVERT_1, 0) &
2689 EXPORT_SYMBOL_GPL(snd_hda_create_spdif_in_ctls);
2692 * snd_hda_codec_set_power_to_all - Set the power state to all widgets
2693 * @codec: the HDA codec
2694 * @fg: function group (not used now)
2695 * @power_state: the power state to set (AC_PWRST_*)
2697 * Set the given power state to all widgets that have the power control.
2698 * If the codec has power_filter set, it evaluates the power state and
2699 * filter out if it's unchanged as D3.
2701 void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
2702 unsigned int power_state)
2706 for_each_hda_codec_node(nid, codec) {
2707 unsigned int wcaps = get_wcaps(codec, nid);
2708 unsigned int state = power_state;
2709 if (!(wcaps & AC_WCAP_POWER))
2711 if (codec->power_filter) {
2712 state = codec->power_filter(codec, nid, power_state);
2713 if (state != power_state && power_state == AC_PWRST_D3)
2716 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
2720 EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_to_all);
2723 * snd_hda_codec_eapd_power_filter - A power filter callback for EAPD
2724 * @codec: the HDA codec
2726 * @power_state: power state to evalue
2728 * Don't power down the widget if it controls eapd and EAPD_BTLENABLE is set.
2729 * This can be used a codec power_filter callback.
2731 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
2733 unsigned int power_state)
2735 if (nid == codec->core.afg || nid == codec->core.mfg)
2737 if (power_state == AC_PWRST_D3 &&
2738 get_wcaps_type(get_wcaps(codec, nid)) == AC_WID_PIN &&
2739 (snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_EAPD)) {
2740 int eapd = snd_hda_codec_read(codec, nid, 0,
2741 AC_VERB_GET_EAPD_BTLENABLE, 0);
2747 EXPORT_SYMBOL_GPL(snd_hda_codec_eapd_power_filter);
2750 * set power state of the codec, and return the power state
2752 static unsigned int hda_set_power_state(struct hda_codec *codec,
2753 unsigned int power_state)
2755 hda_nid_t fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
2760 /* this delay seems necessary to avoid click noise at power-down */
2761 if (power_state == AC_PWRST_D3) {
2762 if (codec->depop_delay < 0)
2763 msleep(codec_has_epss(codec) ? 10 : 100);
2764 else if (codec->depop_delay > 0)
2765 msleep(codec->depop_delay);
2766 flags = HDA_RW_NO_RESPONSE_FALLBACK;
2769 /* repeat power states setting at most 10 times*/
2770 for (count = 0; count < 10; count++) {
2771 if (codec->patch_ops.set_power_state)
2772 codec->patch_ops.set_power_state(codec, fg,
2775 state = power_state;
2776 if (codec->power_filter)
2777 state = codec->power_filter(codec, fg, state);
2778 if (state == power_state || power_state != AC_PWRST_D3)
2779 snd_hda_codec_read(codec, fg, flags,
2780 AC_VERB_SET_POWER_STATE,
2782 snd_hda_codec_set_power_to_all(codec, fg, power_state);
2784 state = snd_hda_sync_power_state(codec, fg, power_state);
2785 if (!(state & AC_PWRST_ERROR))
2792 /* sync power states of all widgets;
2793 * this is called at the end of codec parsing
2795 static void sync_power_up_states(struct hda_codec *codec)
2799 /* don't care if no filter is used */
2800 if (!codec->power_filter)
2803 for_each_hda_codec_node(nid, codec) {
2804 unsigned int wcaps = get_wcaps(codec, nid);
2805 unsigned int target;
2806 if (!(wcaps & AC_WCAP_POWER))
2808 target = codec->power_filter(codec, nid, AC_PWRST_D0);
2809 if (target == AC_PWRST_D0)
2811 if (!snd_hda_check_power_state(codec, nid, target))
2812 snd_hda_codec_write(codec, nid, 0,
2813 AC_VERB_SET_POWER_STATE, target);
2817 #ifdef CONFIG_SND_HDA_RECONFIG
2818 /* execute additional init verbs */
2819 static void hda_exec_init_verbs(struct hda_codec *codec)
2821 if (codec->init_verbs.list)
2822 snd_hda_sequence_write(codec, codec->init_verbs.list);
2825 static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
2829 /* update the power on/off account with the current jiffies */
2830 static void update_power_acct(struct hda_codec *codec, bool on)
2832 unsigned long delta = jiffies - codec->power_jiffies;
2835 codec->power_on_acct += delta;
2837 codec->power_off_acct += delta;
2838 codec->power_jiffies += delta;
2841 void snd_hda_update_power_acct(struct hda_codec *codec)
2843 update_power_acct(codec, hda_codec_is_power_on(codec));
2847 * call suspend and power-down; used both from PM and power-save
2848 * this function returns the power state in the end
2850 static unsigned int hda_call_codec_suspend(struct hda_codec *codec)
2854 snd_hdac_enter_pm(&codec->core);
2855 if (codec->patch_ops.suspend)
2856 codec->patch_ops.suspend(codec);
2857 hda_cleanup_all_streams(codec);
2858 state = hda_set_power_state(codec, AC_PWRST_D3);
2859 update_power_acct(codec, true);
2860 snd_hdac_leave_pm(&codec->core);
2865 * kick up codec; used both from PM and power-save
2867 static void hda_call_codec_resume(struct hda_codec *codec)
2869 snd_hdac_enter_pm(&codec->core);
2870 if (codec->core.regmap)
2871 regcache_mark_dirty(codec->core.regmap);
2873 codec->power_jiffies = jiffies;
2875 hda_set_power_state(codec, AC_PWRST_D0);
2876 restore_shutup_pins(codec);
2877 hda_exec_init_verbs(codec);
2878 snd_hda_jack_set_dirty_all(codec);
2879 if (codec->patch_ops.resume)
2880 codec->patch_ops.resume(codec);
2882 if (codec->patch_ops.init)
2883 codec->patch_ops.init(codec);
2884 snd_hda_regmap_sync(codec);
2887 if (codec->jackpoll_interval)
2888 hda_jackpoll_work(&codec->jackpoll_work.work);
2890 snd_hda_jack_report_sync(codec);
2891 codec->core.dev.power.power_state = PMSG_ON;
2892 snd_hdac_leave_pm(&codec->core);
2895 static int hda_codec_runtime_suspend(struct device *dev)
2897 struct hda_codec *codec = dev_to_hda_codec(dev);
2900 /* Nothing to do if card registration fails and the component driver never probes */
2904 cancel_delayed_work_sync(&codec->jackpoll_work);
2905 state = hda_call_codec_suspend(codec);
2906 if (codec->link_down_at_suspend ||
2907 (codec_has_clkstop(codec) && codec_has_epss(codec) &&
2908 (state & AC_PWRST_CLK_STOP_OK)))
2909 snd_hdac_codec_link_down(&codec->core);
2910 snd_hda_codec_display_power(codec, false);
2914 static int hda_codec_runtime_resume(struct device *dev)
2916 struct hda_codec *codec = dev_to_hda_codec(dev);
2918 /* Nothing to do if card registration fails and the component driver never probes */
2922 snd_hda_codec_display_power(codec, true);
2923 snd_hdac_codec_link_up(&codec->core);
2924 hda_call_codec_resume(codec);
2925 pm_runtime_mark_last_busy(dev);
2929 #endif /* CONFIG_PM */
2931 #ifdef CONFIG_PM_SLEEP
2932 static int hda_codec_pm_prepare(struct device *dev)
2934 dev->power.power_state = PMSG_SUSPEND;
2935 return pm_runtime_suspended(dev);
2938 static void hda_codec_pm_complete(struct device *dev)
2940 struct hda_codec *codec = dev_to_hda_codec(dev);
2942 /* If no other pm-functions are called between prepare() and complete() */
2943 if (dev->power.power_state.event == PM_EVENT_SUSPEND)
2944 dev->power.power_state = PMSG_RESUME;
2946 if (pm_runtime_suspended(dev) && (codec->jackpoll_interval ||
2947 hda_codec_need_resume(codec) || codec->forced_resume))
2948 pm_request_resume(dev);
2951 static int hda_codec_pm_suspend(struct device *dev)
2953 dev->power.power_state = PMSG_SUSPEND;
2954 return pm_runtime_force_suspend(dev);
2957 static int hda_codec_pm_resume(struct device *dev)
2959 dev->power.power_state = PMSG_RESUME;
2960 return pm_runtime_force_resume(dev);
2963 static int hda_codec_pm_freeze(struct device *dev)
2965 dev->power.power_state = PMSG_FREEZE;
2966 return pm_runtime_force_suspend(dev);
2969 static int hda_codec_pm_thaw(struct device *dev)
2971 dev->power.power_state = PMSG_THAW;
2972 return pm_runtime_force_resume(dev);
2975 static int hda_codec_pm_restore(struct device *dev)
2977 dev->power.power_state = PMSG_RESTORE;
2978 return pm_runtime_force_resume(dev);
2980 #endif /* CONFIG_PM_SLEEP */
2982 /* referred in hda_bind.c */
2983 const struct dev_pm_ops hda_codec_driver_pm = {
2984 #ifdef CONFIG_PM_SLEEP
2985 .prepare = hda_codec_pm_prepare,
2986 .complete = hda_codec_pm_complete,
2987 .suspend = hda_codec_pm_suspend,
2988 .resume = hda_codec_pm_resume,
2989 .freeze = hda_codec_pm_freeze,
2990 .thaw = hda_codec_pm_thaw,
2991 .poweroff = hda_codec_pm_suspend,
2992 .restore = hda_codec_pm_restore,
2993 #endif /* CONFIG_PM_SLEEP */
2994 SET_RUNTIME_PM_OPS(hda_codec_runtime_suspend, hda_codec_runtime_resume,
2998 /* suspend the codec at shutdown; called from driver's shutdown callback */
2999 void snd_hda_codec_shutdown(struct hda_codec *codec)
3001 struct hda_pcm *cpcm;
3003 /* Skip the shutdown if codec is not registered */
3004 if (!codec->registered)
3007 list_for_each_entry(cpcm, &codec->pcm_list_head, list)
3008 snd_pcm_suspend_all(cpcm->pcm);
3010 pm_runtime_force_suspend(hda_codec_dev(codec));
3011 pm_runtime_disable(hda_codec_dev(codec));
3015 * add standard channel maps if not specified
3017 static int add_std_chmaps(struct hda_codec *codec)
3019 struct hda_pcm *pcm;
3022 list_for_each_entry(pcm, &codec->pcm_list_head, list) {
3023 for (str = 0; str < 2; str++) {
3024 struct hda_pcm_stream *hinfo = &pcm->stream[str];
3025 struct snd_pcm_chmap *chmap;
3026 const struct snd_pcm_chmap_elem *elem;
3028 if (!pcm->pcm || pcm->own_chmap || !hinfo->substreams)
3030 elem = hinfo->chmap ? hinfo->chmap : snd_pcm_std_chmaps;
3031 err = snd_pcm_add_chmap_ctls(pcm->pcm, str, elem,
3032 hinfo->channels_max,
3036 chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
3042 /* default channel maps for 2.1 speakers;
3043 * since HD-audio supports only stereo, odd number channels are omitted
3045 const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[] = {
3047 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
3049 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR,
3050 SNDRV_CHMAP_LFE, SNDRV_CHMAP_LFE } },
3053 EXPORT_SYMBOL_GPL(snd_pcm_2_1_chmaps);
3055 int snd_hda_codec_build_controls(struct hda_codec *codec)
3058 hda_exec_init_verbs(codec);
3059 /* continue to initialize... */
3060 if (codec->patch_ops.init)
3061 err = codec->patch_ops.init(codec);
3062 if (!err && codec->patch_ops.build_controls)
3063 err = codec->patch_ops.build_controls(codec);
3067 /* we create chmaps here instead of build_pcms */
3068 err = add_std_chmaps(codec);
3072 if (codec->jackpoll_interval)
3073 hda_jackpoll_work(&codec->jackpoll_work.work);
3075 snd_hda_jack_report_sync(codec); /* call at the last init point */
3076 sync_power_up_states(codec);
3079 EXPORT_SYMBOL_GPL(snd_hda_codec_build_controls);
3084 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
3085 struct hda_codec *codec,
3086 struct snd_pcm_substream *substream)
3091 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
3092 struct hda_codec *codec,
3093 unsigned int stream_tag,
3094 unsigned int format,
3095 struct snd_pcm_substream *substream)
3097 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
3101 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
3102 struct hda_codec *codec,
3103 struct snd_pcm_substream *substream)
3105 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
3109 static int set_pcm_default_values(struct hda_codec *codec,
3110 struct hda_pcm_stream *info)
3114 /* query support PCM information from the given NID */
3115 if (info->nid && (!info->rates || !info->formats)) {
3116 err = snd_hda_query_supported_pcm(codec, info->nid,
3117 info->rates ? NULL : &info->rates,
3118 info->formats ? NULL : &info->formats,
3119 info->maxbps ? NULL : &info->maxbps);
3123 if (info->ops.open == NULL)
3124 info->ops.open = hda_pcm_default_open_close;
3125 if (info->ops.close == NULL)
3126 info->ops.close = hda_pcm_default_open_close;
3127 if (info->ops.prepare == NULL) {
3128 if (snd_BUG_ON(!info->nid))
3130 info->ops.prepare = hda_pcm_default_prepare;
3132 if (info->ops.cleanup == NULL) {
3133 if (snd_BUG_ON(!info->nid))
3135 info->ops.cleanup = hda_pcm_default_cleanup;
3141 * codec prepare/cleanup entries
3144 * snd_hda_codec_prepare - Prepare a stream
3145 * @codec: the HDA codec
3146 * @hinfo: PCM information
3147 * @stream: stream tag to assign
3148 * @format: format id to assign
3149 * @substream: PCM substream to assign
3151 * Calls the prepare callback set by the codec with the given arguments.
3152 * Clean up the inactive streams when successful.
3154 int snd_hda_codec_prepare(struct hda_codec *codec,
3155 struct hda_pcm_stream *hinfo,
3156 unsigned int stream,
3157 unsigned int format,
3158 struct snd_pcm_substream *substream)
3161 mutex_lock(&codec->bus->prepare_mutex);
3162 if (hinfo->ops.prepare)
3163 ret = hinfo->ops.prepare(hinfo, codec, stream, format,
3168 purify_inactive_streams(codec);
3169 mutex_unlock(&codec->bus->prepare_mutex);
3172 EXPORT_SYMBOL_GPL(snd_hda_codec_prepare);
3175 * snd_hda_codec_cleanup - Clean up stream resources
3176 * @codec: the HDA codec
3177 * @hinfo: PCM information
3178 * @substream: PCM substream
3180 * Calls the cleanup callback set by the codec with the given arguments.
3182 void snd_hda_codec_cleanup(struct hda_codec *codec,
3183 struct hda_pcm_stream *hinfo,
3184 struct snd_pcm_substream *substream)
3186 mutex_lock(&codec->bus->prepare_mutex);
3187 if (hinfo->ops.cleanup)
3188 hinfo->ops.cleanup(hinfo, codec, substream);
3189 mutex_unlock(&codec->bus->prepare_mutex);
3191 EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup);
3194 const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = {
3195 "Audio", "SPDIF", "HDMI", "Modem"
3199 * get the empty PCM device number to assign
3201 static int get_empty_pcm_device(struct hda_bus *bus, unsigned int type)
3203 /* audio device indices; not linear to keep compatibility */
3204 /* assigned to static slots up to dev#10; if more needed, assign
3205 * the later slot dynamically (when CONFIG_SND_DYNAMIC_MINORS=y)
3207 static const int audio_idx[HDA_PCM_NTYPES][5] = {
3208 [HDA_PCM_TYPE_AUDIO] = { 0, 2, 4, 5, -1 },
3209 [HDA_PCM_TYPE_SPDIF] = { 1, -1 },
3210 [HDA_PCM_TYPE_HDMI] = { 3, 7, 8, 9, -1 },
3211 [HDA_PCM_TYPE_MODEM] = { 6, -1 },
3215 if (type >= HDA_PCM_NTYPES) {
3216 dev_err(bus->card->dev, "Invalid PCM type %d\n", type);
3220 for (i = 0; audio_idx[type][i] >= 0; i++) {
3221 #ifndef CONFIG_SND_DYNAMIC_MINORS
3222 if (audio_idx[type][i] >= 8)
3225 if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits))
3226 return audio_idx[type][i];
3229 #ifdef CONFIG_SND_DYNAMIC_MINORS
3230 /* non-fixed slots starting from 10 */
3231 for (i = 10; i < 32; i++) {
3232 if (!test_and_set_bit(i, bus->pcm_dev_bits))
3237 dev_warn(bus->card->dev, "Too many %s devices\n",
3238 snd_hda_pcm_type_name[type]);
3239 #ifndef CONFIG_SND_DYNAMIC_MINORS
3240 dev_warn(bus->card->dev,
3241 "Consider building the kernel with CONFIG_SND_DYNAMIC_MINORS=y\n");
3246 /* call build_pcms ops of the given codec and set up the default parameters */
3247 int snd_hda_codec_parse_pcms(struct hda_codec *codec)
3249 struct hda_pcm *cpcm;
3252 if (!list_empty(&codec->pcm_list_head))
3253 return 0; /* already parsed */
3255 if (!codec->patch_ops.build_pcms)
3258 err = codec->patch_ops.build_pcms(codec);
3260 codec_err(codec, "cannot build PCMs for #%d (error %d)\n",
3261 codec->core.addr, err);
3265 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3268 for (stream = 0; stream < 2; stream++) {
3269 struct hda_pcm_stream *info = &cpcm->stream[stream];
3271 if (!info->substreams)
3273 err = set_pcm_default_values(codec, info);
3276 "fail to setup default for PCM %s\n",
3285 EXPORT_SYMBOL_GPL(snd_hda_codec_parse_pcms);
3287 /* assign all PCMs of the given codec */
3288 int snd_hda_codec_build_pcms(struct hda_codec *codec)
3290 struct hda_bus *bus = codec->bus;
3291 struct hda_pcm *cpcm;
3294 err = snd_hda_codec_parse_pcms(codec);
3298 /* attach a new PCM streams */
3299 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3301 continue; /* already attached */
3302 if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
3303 continue; /* no substreams assigned */
3305 dev = get_empty_pcm_device(bus, cpcm->pcm_type);
3307 cpcm->device = SNDRV_PCM_INVALID_DEVICE;
3308 continue; /* no fatal error */
3311 err = snd_hda_attach_pcm_stream(bus, codec, cpcm);
3314 "cannot attach PCM stream %d for codec #%d\n",
3315 dev, codec->core.addr);
3316 continue; /* no fatal error */
3324 * snd_hda_add_new_ctls - create controls from the array
3325 * @codec: the HDA codec
3326 * @knew: the array of struct snd_kcontrol_new
3328 * This helper function creates and add new controls in the given array.
3329 * The array must be terminated with an empty entry as terminator.
3331 * Returns 0 if successful, or a negative error code.
3333 int snd_hda_add_new_ctls(struct hda_codec *codec,
3334 const struct snd_kcontrol_new *knew)
3338 for (; knew->name; knew++) {
3339 struct snd_kcontrol *kctl;
3340 int addr = 0, idx = 0;
3341 if (knew->iface == (__force snd_ctl_elem_iface_t)-1)
3342 continue; /* skip this codec private value */
3344 kctl = snd_ctl_new1(knew, codec);
3348 kctl->id.device = addr;
3350 kctl->id.index = idx;
3351 err = snd_hda_ctl_add(codec, 0, kctl);
3354 /* try first with another device index corresponding to
3355 * the codec addr; if it still fails (or it's the
3356 * primary codec), then try another control index
3358 if (!addr && codec->core.addr)
3359 addr = codec->core.addr;
3360 else if (!idx && !knew->index) {
3361 idx = find_empty_mixer_ctl_idx(codec,
3371 EXPORT_SYMBOL_GPL(snd_hda_add_new_ctls);
3374 static void codec_set_power_save(struct hda_codec *codec, int delay)
3376 struct device *dev = hda_codec_dev(codec);
3378 if (delay == 0 && codec->auto_runtime_pm)
3382 pm_runtime_set_autosuspend_delay(dev, delay);
3383 pm_runtime_use_autosuspend(dev);
3384 pm_runtime_allow(dev);
3385 if (!pm_runtime_suspended(dev))
3386 pm_runtime_mark_last_busy(dev);
3388 pm_runtime_dont_use_autosuspend(dev);
3389 pm_runtime_forbid(dev);
3394 * snd_hda_set_power_save - reprogram autosuspend for the given delay
3395 * @bus: HD-audio bus
3396 * @delay: autosuspend delay in msec, 0 = off
3398 * Synchronize the runtime PM autosuspend state from the power_save option.
3400 void snd_hda_set_power_save(struct hda_bus *bus, int delay)
3402 struct hda_codec *c;
3404 list_for_each_codec(c, bus)
3405 codec_set_power_save(c, delay);
3407 EXPORT_SYMBOL_GPL(snd_hda_set_power_save);
3410 * snd_hda_check_amp_list_power - Check the amp list and update the power
3411 * @codec: HD-audio codec
3412 * @check: the object containing an AMP list and the status
3413 * @nid: NID to check / update
3415 * Check whether the given NID is in the amp list. If it's in the list,
3416 * check the current AMP status, and update the power-status according
3417 * to the mute status.
3419 * This function is supposed to be set or called from the check_power_status
3422 int snd_hda_check_amp_list_power(struct hda_codec *codec,
3423 struct hda_loopback_check *check,
3426 const struct hda_amp_list *p;
3429 if (!check->amplist)
3431 for (p = check->amplist; p->nid; p++) {
3436 return 0; /* nothing changed */
3438 for (p = check->amplist; p->nid; p++) {
3439 for (ch = 0; ch < 2; ch++) {
3440 v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
3442 if (!(v & HDA_AMP_MUTE) && v > 0) {
3443 if (!check->power_on) {
3444 check->power_on = 1;
3445 snd_hda_power_up_pm(codec);
3451 if (check->power_on) {
3452 check->power_on = 0;
3453 snd_hda_power_down_pm(codec);
3457 EXPORT_SYMBOL_GPL(snd_hda_check_amp_list_power);
3465 * snd_hda_input_mux_info - Info callback helper for the input-mux enum
3466 * @imux: imux helper object
3467 * @uinfo: pointer to get/store the data
3469 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
3470 struct snd_ctl_elem_info *uinfo)
3474 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
3476 uinfo->value.enumerated.items = imux->num_items;
3477 if (!imux->num_items)
3479 index = uinfo->value.enumerated.item;
3480 if (index >= imux->num_items)
3481 index = imux->num_items - 1;
3482 strcpy(uinfo->value.enumerated.name, imux->items[index].label);
3485 EXPORT_SYMBOL_GPL(snd_hda_input_mux_info);
3488 * snd_hda_input_mux_put - Put callback helper for the input-mux enum
3489 * @codec: the HDA codec
3490 * @imux: imux helper object
3491 * @ucontrol: pointer to get/store the data
3492 * @nid: input mux NID
3493 * @cur_val: pointer to get/store the current imux value
3495 int snd_hda_input_mux_put(struct hda_codec *codec,
3496 const struct hda_input_mux *imux,
3497 struct snd_ctl_elem_value *ucontrol,
3499 unsigned int *cur_val)
3503 if (!imux->num_items)
3505 idx = ucontrol->value.enumerated.item[0];
3506 if (idx >= imux->num_items)
3507 idx = imux->num_items - 1;
3508 if (*cur_val == idx)
3510 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
3511 imux->items[idx].index);
3515 EXPORT_SYMBOL_GPL(snd_hda_input_mux_put);
3519 * snd_hda_enum_helper_info - Helper for simple enum ctls
3520 * @kcontrol: ctl element
3521 * @uinfo: pointer to get/store the data
3522 * @num_items: number of enum items
3523 * @texts: enum item string array
3525 * process kcontrol info callback of a simple string enum array
3526 * when @num_items is 0 or @texts is NULL, assume a boolean enum array
3528 int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
3529 struct snd_ctl_elem_info *uinfo,
3530 int num_items, const char * const *texts)
3532 static const char * const texts_default[] = {
3533 "Disabled", "Enabled"
3536 if (!texts || !num_items) {
3538 texts = texts_default;
3541 return snd_ctl_enum_info(uinfo, 1, num_items, texts);
3543 EXPORT_SYMBOL_GPL(snd_hda_enum_helper_info);
3546 * Multi-channel / digital-out PCM helper functions
3549 /* setup SPDIF output stream */
3550 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
3551 unsigned int stream_tag, unsigned int format)
3553 struct hda_spdif_out *spdif;
3554 unsigned int curr_fmt;
3557 spdif = snd_hda_spdif_out_of_nid(codec, nid);
3558 /* Add sanity check to pass klockwork check.
3559 * This should never happen.
3561 if (WARN_ON(spdif == NULL))
3564 curr_fmt = snd_hda_codec_read(codec, nid, 0,
3565 AC_VERB_GET_STREAM_FORMAT, 0);
3566 reset = codec->spdif_status_reset &&
3567 (spdif->ctls & AC_DIG1_ENABLE) &&
3570 /* turn off SPDIF if needed; otherwise the IEC958 bits won't be
3573 set_dig_out_convert(codec, nid,
3574 spdif->ctls & ~AC_DIG1_ENABLE & 0xff,
3576 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
3577 if (codec->follower_dig_outs) {
3579 for (d = codec->follower_dig_outs; *d; d++)
3580 snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
3583 /* turn on again (if needed) */
3585 set_dig_out_convert(codec, nid,
3586 spdif->ctls & 0xff, -1);
3589 static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
3591 snd_hda_codec_cleanup_stream(codec, nid);
3592 if (codec->follower_dig_outs) {
3594 for (d = codec->follower_dig_outs; *d; d++)
3595 snd_hda_codec_cleanup_stream(codec, *d);
3600 * snd_hda_multi_out_dig_open - open the digital out in the exclusive mode
3601 * @codec: the HDA codec
3602 * @mout: hda_multi_out object
3604 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
3605 struct hda_multi_out *mout)
3607 mutex_lock(&codec->spdif_mutex);
3608 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
3609 /* already opened as analog dup; reset it once */
3610 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3611 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
3612 mutex_unlock(&codec->spdif_mutex);
3615 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_open);
3618 * snd_hda_multi_out_dig_prepare - prepare the digital out stream
3619 * @codec: the HDA codec
3620 * @mout: hda_multi_out object
3621 * @stream_tag: stream tag to assign
3622 * @format: format id to assign
3623 * @substream: PCM substream to assign
3625 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
3626 struct hda_multi_out *mout,
3627 unsigned int stream_tag,
3628 unsigned int format,
3629 struct snd_pcm_substream *substream)
3631 mutex_lock(&codec->spdif_mutex);
3632 setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
3633 mutex_unlock(&codec->spdif_mutex);
3636 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_prepare);
3639 * snd_hda_multi_out_dig_cleanup - clean-up the digital out stream
3640 * @codec: the HDA codec
3641 * @mout: hda_multi_out object
3643 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
3644 struct hda_multi_out *mout)
3646 mutex_lock(&codec->spdif_mutex);
3647 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3648 mutex_unlock(&codec->spdif_mutex);
3651 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_cleanup);
3654 * snd_hda_multi_out_dig_close - release the digital out stream
3655 * @codec: the HDA codec
3656 * @mout: hda_multi_out object
3658 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
3659 struct hda_multi_out *mout)
3661 mutex_lock(&codec->spdif_mutex);
3662 mout->dig_out_used = 0;
3663 mutex_unlock(&codec->spdif_mutex);
3666 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_close);
3669 * snd_hda_multi_out_analog_open - open analog outputs
3670 * @codec: the HDA codec
3671 * @mout: hda_multi_out object
3672 * @substream: PCM substream to assign
3673 * @hinfo: PCM information to assign
3675 * Open analog outputs and set up the hw-constraints.
3676 * If the digital outputs can be opened as follower, open the digital
3679 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
3680 struct hda_multi_out *mout,
3681 struct snd_pcm_substream *substream,
3682 struct hda_pcm_stream *hinfo)
3684 struct snd_pcm_runtime *runtime = substream->runtime;
3685 runtime->hw.channels_max = mout->max_channels;
3686 if (mout->dig_out_nid) {
3687 if (!mout->analog_rates) {
3688 mout->analog_rates = hinfo->rates;
3689 mout->analog_formats = hinfo->formats;
3690 mout->analog_maxbps = hinfo->maxbps;
3692 runtime->hw.rates = mout->analog_rates;
3693 runtime->hw.formats = mout->analog_formats;
3694 hinfo->maxbps = mout->analog_maxbps;
3696 if (!mout->spdif_rates) {
3697 snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
3699 &mout->spdif_formats,
3700 &mout->spdif_maxbps);
3702 mutex_lock(&codec->spdif_mutex);
3703 if (mout->share_spdif) {
3704 if ((runtime->hw.rates & mout->spdif_rates) &&
3705 (runtime->hw.formats & mout->spdif_formats)) {
3706 runtime->hw.rates &= mout->spdif_rates;
3707 runtime->hw.formats &= mout->spdif_formats;
3708 if (mout->spdif_maxbps < hinfo->maxbps)
3709 hinfo->maxbps = mout->spdif_maxbps;
3711 mout->share_spdif = 0;
3712 /* FIXME: need notify? */
3715 mutex_unlock(&codec->spdif_mutex);
3717 return snd_pcm_hw_constraint_step(substream->runtime, 0,
3718 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
3720 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_open);
3723 * snd_hda_multi_out_analog_prepare - Preapre the analog outputs.
3724 * @codec: the HDA codec
3725 * @mout: hda_multi_out object
3726 * @stream_tag: stream tag to assign
3727 * @format: format id to assign
3728 * @substream: PCM substream to assign
3730 * Set up the i/o for analog out.
3731 * When the digital out is available, copy the front out to digital out, too.
3733 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
3734 struct hda_multi_out *mout,
3735 unsigned int stream_tag,
3736 unsigned int format,
3737 struct snd_pcm_substream *substream)
3739 const hda_nid_t *nids = mout->dac_nids;
3740 int chs = substream->runtime->channels;
3741 struct hda_spdif_out *spdif;
3744 mutex_lock(&codec->spdif_mutex);
3745 spdif = snd_hda_spdif_out_of_nid(codec, mout->dig_out_nid);
3746 if (mout->dig_out_nid && mout->share_spdif &&
3747 mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
3748 if (chs == 2 && spdif != NULL &&
3749 snd_hda_is_supported_format(codec, mout->dig_out_nid,
3751 !(spdif->status & IEC958_AES0_NONAUDIO)) {
3752 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
3753 setup_dig_out_stream(codec, mout->dig_out_nid,
3754 stream_tag, format);
3756 mout->dig_out_used = 0;
3757 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3760 mutex_unlock(&codec->spdif_mutex);
3763 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
3765 if (!mout->no_share_stream &&
3766 mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
3767 /* headphone out will just decode front left/right (stereo) */
3768 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
3770 /* extra outputs copied from front */
3771 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3772 if (!mout->no_share_stream && mout->hp_out_nid[i])
3773 snd_hda_codec_setup_stream(codec,
3774 mout->hp_out_nid[i],
3775 stream_tag, 0, format);
3778 for (i = 1; i < mout->num_dacs; i++) {
3779 if (chs >= (i + 1) * 2) /* independent out */
3780 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3782 else if (!mout->no_share_stream) /* copy front */
3783 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3787 /* extra surrounds */
3788 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) {
3790 if (!mout->extra_out_nid[i])
3792 if (chs >= (i + 1) * 2)
3794 else if (!mout->no_share_stream)
3796 snd_hda_codec_setup_stream(codec, mout->extra_out_nid[i],
3797 stream_tag, ch, format);
3802 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_prepare);
3805 * snd_hda_multi_out_analog_cleanup - clean up the setting for analog out
3806 * @codec: the HDA codec
3807 * @mout: hda_multi_out object
3809 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
3810 struct hda_multi_out *mout)
3812 const hda_nid_t *nids = mout->dac_nids;
3815 for (i = 0; i < mout->num_dacs; i++)
3816 snd_hda_codec_cleanup_stream(codec, nids[i]);
3818 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
3819 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3820 if (mout->hp_out_nid[i])
3821 snd_hda_codec_cleanup_stream(codec,
3822 mout->hp_out_nid[i]);
3823 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
3824 if (mout->extra_out_nid[i])
3825 snd_hda_codec_cleanup_stream(codec,
3826 mout->extra_out_nid[i]);
3827 mutex_lock(&codec->spdif_mutex);
3828 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
3829 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3830 mout->dig_out_used = 0;
3832 mutex_unlock(&codec->spdif_mutex);
3835 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_cleanup);
3838 * snd_hda_get_default_vref - Get the default (mic) VREF pin bits
3839 * @codec: the HDA codec
3840 * @pin: referred pin NID
3842 * Guess the suitable VREF pin bits to be set as the pin-control value.
3843 * Note: the function doesn't set the AC_PINCTL_IN_EN bit.
3845 unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin)
3847 unsigned int pincap;
3848 unsigned int oldval;
3849 oldval = snd_hda_codec_read(codec, pin, 0,
3850 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
3851 pincap = snd_hda_query_pin_caps(codec, pin);
3852 pincap = (pincap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3853 /* Exception: if the default pin setup is vref50, we give it priority */
3854 if ((pincap & AC_PINCAP_VREF_80) && oldval != PIN_VREF50)
3855 return AC_PINCTL_VREF_80;
3856 else if (pincap & AC_PINCAP_VREF_50)
3857 return AC_PINCTL_VREF_50;
3858 else if (pincap & AC_PINCAP_VREF_100)
3859 return AC_PINCTL_VREF_100;
3860 else if (pincap & AC_PINCAP_VREF_GRD)
3861 return AC_PINCTL_VREF_GRD;
3862 return AC_PINCTL_VREF_HIZ;
3864 EXPORT_SYMBOL_GPL(snd_hda_get_default_vref);
3867 * snd_hda_correct_pin_ctl - correct the pin ctl value for matching with the pin cap
3868 * @codec: the HDA codec
3869 * @pin: referred pin NID
3870 * @val: pin ctl value to audit
3872 unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
3873 hda_nid_t pin, unsigned int val)
3875 static const unsigned int cap_lists[][2] = {
3876 { AC_PINCTL_VREF_100, AC_PINCAP_VREF_100 },
3877 { AC_PINCTL_VREF_80, AC_PINCAP_VREF_80 },
3878 { AC_PINCTL_VREF_50, AC_PINCAP_VREF_50 },
3879 { AC_PINCTL_VREF_GRD, AC_PINCAP_VREF_GRD },
3885 cap = snd_hda_query_pin_caps(codec, pin);
3887 return val; /* don't know what to do... */
3889 if (val & AC_PINCTL_OUT_EN) {
3890 if (!(cap & AC_PINCAP_OUT))
3891 val &= ~(AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN);
3892 else if ((val & AC_PINCTL_HP_EN) && !(cap & AC_PINCAP_HP_DRV))
3893 val &= ~AC_PINCTL_HP_EN;
3896 if (val & AC_PINCTL_IN_EN) {
3897 if (!(cap & AC_PINCAP_IN))
3898 val &= ~(AC_PINCTL_IN_EN | AC_PINCTL_VREFEN);
3900 unsigned int vcap, vref;
3902 vcap = (cap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3903 vref = val & AC_PINCTL_VREFEN;
3904 for (i = 0; i < ARRAY_SIZE(cap_lists); i++) {
3905 if (vref == cap_lists[i][0] &&
3906 !(vcap & cap_lists[i][1])) {
3907 if (i == ARRAY_SIZE(cap_lists) - 1)
3908 vref = AC_PINCTL_VREF_HIZ;
3910 vref = cap_lists[i + 1][0];
3913 val &= ~AC_PINCTL_VREFEN;
3920 EXPORT_SYMBOL_GPL(snd_hda_correct_pin_ctl);
3923 * _snd_hda_set_pin_ctl - Helper to set pin ctl value
3924 * @codec: the HDA codec
3925 * @pin: referred pin NID
3926 * @val: pin control value to set
3927 * @cached: access over codec pinctl cache or direct write
3929 * This function is a helper to set a pin ctl value more safely.
3930 * It corrects the pin ctl value via snd_hda_correct_pin_ctl(), stores the
3931 * value in pin target array via snd_hda_codec_set_pin_target(), then
3932 * actually writes the value via either snd_hda_codec_write_cache() or
3933 * snd_hda_codec_write() depending on @cached flag.
3935 int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
3936 unsigned int val, bool cached)
3938 val = snd_hda_correct_pin_ctl(codec, pin, val);
3939 snd_hda_codec_set_pin_target(codec, pin, val);
3941 return snd_hda_codec_write_cache(codec, pin, 0,
3942 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3944 return snd_hda_codec_write(codec, pin, 0,
3945 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3947 EXPORT_SYMBOL_GPL(_snd_hda_set_pin_ctl);
3950 * snd_hda_add_imux_item - Add an item to input_mux
3951 * @codec: the HDA codec
3952 * @imux: imux helper object
3953 * @label: the name of imux item to assign
3954 * @index: index number of imux item to assign
3955 * @type_idx: pointer to store the resultant label index
3957 * When the same label is used already in the existing items, the number
3958 * suffix is appended to the label. This label index number is stored
3959 * to type_idx when non-NULL pointer is given.
3961 int snd_hda_add_imux_item(struct hda_codec *codec,
3962 struct hda_input_mux *imux, const char *label,
3963 int index, int *type_idx)
3965 int i, label_idx = 0;
3966 if (imux->num_items >= HDA_MAX_NUM_INPUTS) {
3967 codec_err(codec, "hda_codec: Too many imux items!\n");
3970 for (i = 0; i < imux->num_items; i++) {
3971 if (!strncmp(label, imux->items[i].label, strlen(label)))
3975 *type_idx = label_idx;
3977 snprintf(imux->items[imux->num_items].label,
3978 sizeof(imux->items[imux->num_items].label),
3979 "%s %d", label, label_idx);
3981 strscpy(imux->items[imux->num_items].label, label,
3982 sizeof(imux->items[imux->num_items].label));
3983 imux->items[imux->num_items].index = index;
3987 EXPORT_SYMBOL_GPL(snd_hda_add_imux_item);
3990 * snd_hda_bus_reset_codecs - Reset the bus
3991 * @bus: HD-audio bus
3993 void snd_hda_bus_reset_codecs(struct hda_bus *bus)
3995 struct hda_codec *codec;
3997 list_for_each_codec(codec, bus) {
3998 /* FIXME: maybe a better way needed for forced reset */
3999 if (current_work() != &codec->jackpoll_work.work)
4000 cancel_delayed_work_sync(&codec->jackpoll_work);
4002 if (hda_codec_is_power_on(codec)) {
4003 hda_call_codec_suspend(codec);
4004 hda_call_codec_resume(codec);
4011 * snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer
4012 * @pcm: PCM caps bits
4013 * @buf: the string buffer to write
4014 * @buflen: the max buffer length
4016 * used by hda_proc.c and hda_eld.c
4018 void snd_print_pcm_bits(int pcm, char *buf, int buflen)
4020 static const unsigned int bits[] = { 8, 16, 20, 24, 32 };
4023 for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++)
4024 if (pcm & (AC_SUPPCM_BITS_8 << i))
4025 j += scnprintf(buf + j, buflen - j, " %d", bits[i]);
4027 buf[j] = '\0'; /* necessary when j == 0 */
4029 EXPORT_SYMBOL_GPL(snd_print_pcm_bits);
4031 MODULE_DESCRIPTION("HDA codec core");
4032 MODULE_LICENSE("GPL");