1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Universal Interface for Intel High Definition Audio Codec
5 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
8 #include <linux/init.h>
9 #include <linux/delay.h>
10 #include <linux/slab.h>
11 #include <linux/mutex.h>
12 #include <linux/module.h>
14 #include <linux/pm_runtime.h>
15 #include <sound/core.h>
16 #include <sound/hda_codec.h>
17 #include <sound/asoundef.h>
18 #include <sound/tlv.h>
19 #include <sound/initval.h>
20 #include <sound/jack.h>
21 #include "hda_local.h"
24 #include <sound/hda_hwdep.h>
25 #include <sound/hda_component.h>
27 #define codec_in_pm(codec) snd_hdac_is_in_pm(&codec->core)
28 #define hda_codec_is_power_on(codec) snd_hdac_is_power_on(&codec->core)
29 #define codec_has_epss(codec) \
30 ((codec)->core.power_caps & AC_PWRST_EPSS)
31 #define codec_has_clkstop(codec) \
32 ((codec)->core.power_caps & AC_PWRST_CLKSTOP)
35 * Send and receive a verb - passed to exec_verb override for hdac_device
37 static int codec_exec_verb(struct hdac_device *dev, unsigned int cmd,
38 unsigned int flags, unsigned int *res)
40 struct hda_codec *codec = container_of(dev, struct hda_codec, core);
41 struct hda_bus *bus = codec->bus;
48 snd_hda_power_up_pm(codec);
49 mutex_lock(&bus->core.cmd_mutex);
50 if (flags & HDA_RW_NO_RESPONSE_FALLBACK)
51 bus->no_response_fallback = 1;
52 err = snd_hdac_bus_exec_verb_unlocked(&bus->core, codec->core.addr,
54 bus->no_response_fallback = 0;
55 mutex_unlock(&bus->core.cmd_mutex);
56 snd_hda_power_down_pm(codec);
57 if (!codec_in_pm(codec) && res && err == -EAGAIN) {
58 if (bus->response_reset) {
60 "resetting BUS due to fatal communication error\n");
61 snd_hda_bus_reset(bus);
65 /* clear reset-flag when the communication gets recovered */
66 if (!err || codec_in_pm(codec))
67 bus->response_reset = 0;
72 * snd_hda_sequence_write - sequence writes
73 * @codec: the HDA codec
74 * @seq: VERB array to send
76 * Send the commands sequentially from the given array.
77 * The array must be terminated with NID=0.
79 void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
81 for (; seq->nid; seq++)
82 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
84 EXPORT_SYMBOL_GPL(snd_hda_sequence_write);
86 /* connection list element */
87 struct hda_conn_list {
88 struct list_head list;
94 /* look up the cached results */
95 static struct hda_conn_list *
96 lookup_conn_list(struct hda_codec *codec, hda_nid_t nid)
98 struct hda_conn_list *p;
99 list_for_each_entry(p, &codec->conn_list, list) {
106 static int add_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
107 const hda_nid_t *list)
109 struct hda_conn_list *p;
111 p = kmalloc(struct_size(p, conns, len), GFP_KERNEL);
116 memcpy(p->conns, list, len * sizeof(hda_nid_t));
117 list_add(&p->list, &codec->conn_list);
121 static void remove_conn_list(struct hda_codec *codec)
123 while (!list_empty(&codec->conn_list)) {
124 struct hda_conn_list *p;
125 p = list_first_entry(&codec->conn_list, typeof(*p), list);
131 /* read the connection and add to the cache */
132 static int read_and_add_raw_conns(struct hda_codec *codec, hda_nid_t nid)
135 hda_nid_t *result = list;
138 len = snd_hda_get_raw_connections(codec, nid, list, ARRAY_SIZE(list));
139 if (len == -ENOSPC) {
140 len = snd_hda_get_num_raw_conns(codec, nid);
141 result = kmalloc_array(len, sizeof(hda_nid_t), GFP_KERNEL);
144 len = snd_hda_get_raw_connections(codec, nid, result, len);
147 len = snd_hda_override_conn_list(codec, nid, len, result);
154 * snd_hda_get_conn_list - get connection list
155 * @codec: the HDA codec
157 * @listp: the pointer to store NID list
159 * Parses the connection list of the given widget and stores the pointer
160 * to the list of NIDs.
162 * Returns the number of connections, or a negative error code.
164 * Note that the returned pointer isn't protected against the list
165 * modification. If snd_hda_override_conn_list() might be called
166 * concurrently, protect with a mutex appropriately.
168 int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
169 const hda_nid_t **listp)
175 const struct hda_conn_list *p;
177 /* if the connection-list is already cached, read it */
178 p = lookup_conn_list(codec, nid);
184 if (snd_BUG_ON(added))
187 err = read_and_add_raw_conns(codec, nid);
193 EXPORT_SYMBOL_GPL(snd_hda_get_conn_list);
196 * snd_hda_get_connections - copy connection list
197 * @codec: the HDA codec
199 * @conn_list: connection list array; when NULL, checks only the size
200 * @max_conns: max. number of connections to store
202 * Parses the connection list of the given widget and stores the list
205 * Returns the number of connections, or a negative error code.
207 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
208 hda_nid_t *conn_list, int max_conns)
210 const hda_nid_t *list;
211 int len = snd_hda_get_conn_list(codec, nid, &list);
213 if (len > 0 && conn_list) {
214 if (len > max_conns) {
215 codec_err(codec, "Too many connections %d for NID 0x%x\n",
219 memcpy(conn_list, list, len * sizeof(hda_nid_t));
224 EXPORT_SYMBOL_GPL(snd_hda_get_connections);
227 * snd_hda_override_conn_list - add/modify the connection-list to cache
228 * @codec: the HDA codec
230 * @len: number of connection list entries
231 * @list: the list of connection entries
233 * Add or modify the given connection-list to the cache. If the corresponding
234 * cache already exists, invalidate it and append a new one.
236 * Returns zero or a negative error code.
238 int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
239 const hda_nid_t *list)
241 struct hda_conn_list *p;
243 p = lookup_conn_list(codec, nid);
249 return add_conn_list(codec, nid, len, list);
251 EXPORT_SYMBOL_GPL(snd_hda_override_conn_list);
254 * snd_hda_get_conn_index - get the connection index of the given NID
255 * @codec: the HDA codec
256 * @mux: NID containing the list
257 * @nid: NID to select
258 * @recursive: 1 when searching NID recursively, otherwise 0
260 * Parses the connection list of the widget @mux and checks whether the
261 * widget @nid is present. If it is, return the connection index.
262 * Otherwise it returns -1.
264 int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
265 hda_nid_t nid, int recursive)
267 const hda_nid_t *conn;
270 nums = snd_hda_get_conn_list(codec, mux, &conn);
271 for (i = 0; i < nums; i++)
276 if (recursive > 10) {
277 codec_dbg(codec, "too deep connection for 0x%x\n", nid);
281 for (i = 0; i < nums; i++) {
282 unsigned int type = get_wcaps_type(get_wcaps(codec, conn[i]));
283 if (type == AC_WID_PIN || type == AC_WID_AUD_OUT)
285 if (snd_hda_get_conn_index(codec, conn[i], nid, recursive) >= 0)
290 EXPORT_SYMBOL_GPL(snd_hda_get_conn_index);
293 * snd_hda_get_num_devices - get DEVLIST_LEN parameter of the given widget
294 * @codec: the HDA codec
295 * @nid: NID of the pin to parse
297 * Get the device entry number on the given widget. This is a feature of
298 * DP MST audio. Each pin can have several device entries in it.
300 unsigned int snd_hda_get_num_devices(struct hda_codec *codec, hda_nid_t nid)
302 unsigned int wcaps = get_wcaps(codec, nid);
305 if (!codec->dp_mst || !(wcaps & AC_WCAP_DIGITAL) ||
306 get_wcaps_type(wcaps) != AC_WID_PIN)
309 parm = snd_hdac_read_parm_uncached(&codec->core, nid, AC_PAR_DEVLIST_LEN);
312 return parm & AC_DEV_LIST_LEN_MASK;
314 EXPORT_SYMBOL_GPL(snd_hda_get_num_devices);
317 * snd_hda_get_devices - copy device list without cache
318 * @codec: the HDA codec
319 * @nid: NID of the pin to parse
320 * @dev_list: device list array
321 * @max_devices: max. number of devices to store
323 * Copy the device list. This info is dynamic and so not cached.
324 * Currently called only from hda_proc.c, so not exported.
326 int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid,
327 u8 *dev_list, int max_devices)
330 int i, dev_len, devices;
332 parm = snd_hda_get_num_devices(codec, nid);
333 if (!parm) /* not multi-stream capable */
337 dev_len = dev_len < max_devices ? dev_len : max_devices;
340 while (devices < dev_len) {
341 if (snd_hdac_read(&codec->core, nid,
342 AC_VERB_GET_DEVICE_LIST, devices, &parm))
345 for (i = 0; i < 8; i++) {
346 dev_list[devices] = (u8)parm;
349 if (devices >= dev_len)
357 * snd_hda_get_dev_select - get device entry select on the pin
358 * @codec: the HDA codec
359 * @nid: NID of the pin to get device entry select
361 * Get the devcie entry select on the pin. Return the device entry
362 * id selected on the pin. Return 0 means the first device entry
363 * is selected or MST is not supported.
365 int snd_hda_get_dev_select(struct hda_codec *codec, hda_nid_t nid)
367 /* not support dp_mst will always return 0, using first dev_entry */
371 return snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DEVICE_SEL, 0);
373 EXPORT_SYMBOL_GPL(snd_hda_get_dev_select);
376 * snd_hda_set_dev_select - set device entry select on the pin
377 * @codec: the HDA codec
378 * @nid: NID of the pin to set device entry select
379 * @dev_id: device entry id to be set
381 * Set the device entry select on the pin nid.
383 int snd_hda_set_dev_select(struct hda_codec *codec, hda_nid_t nid, int dev_id)
385 int ret, num_devices;
387 /* not support dp_mst will always return 0, using first dev_entry */
391 /* AC_PAR_DEVLIST_LEN is 0 based. */
392 num_devices = snd_hda_get_num_devices(codec, nid) + 1;
393 /* If Device List Length is 0 (num_device = 1),
394 * the pin is not multi stream capable.
395 * Do nothing in this case.
397 if (num_devices == 1)
400 /* Behavior of setting index being equal to or greater than
401 * Device List Length is not predictable
403 if (num_devices <= dev_id)
406 ret = snd_hda_codec_write(codec, nid, 0,
407 AC_VERB_SET_DEVICE_SEL, dev_id);
411 EXPORT_SYMBOL_GPL(snd_hda_set_dev_select);
414 * read widget caps for each widget and store in cache
416 static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
421 codec->wcaps = kmalloc_array(codec->core.num_nodes, 4, GFP_KERNEL);
424 nid = codec->core.start_nid;
425 for (i = 0; i < codec->core.num_nodes; i++, nid++)
426 codec->wcaps[i] = snd_hdac_read_parm_uncached(&codec->core,
427 nid, AC_PAR_AUDIO_WIDGET_CAP);
431 /* read all pin default configurations and save codec->init_pins */
432 static int read_pin_defaults(struct hda_codec *codec)
436 for_each_hda_codec_node(nid, codec) {
437 struct hda_pincfg *pin;
438 unsigned int wcaps = get_wcaps(codec, nid);
439 unsigned int wid_type = get_wcaps_type(wcaps);
440 if (wid_type != AC_WID_PIN)
442 pin = snd_array_new(&codec->init_pins);
446 pin->cfg = snd_hda_codec_read(codec, nid, 0,
447 AC_VERB_GET_CONFIG_DEFAULT, 0);
449 * all device entries are the same widget control so far
450 * fixme: if any codec is different, need fix here
452 pin->ctrl = snd_hda_codec_read(codec, nid, 0,
453 AC_VERB_GET_PIN_WIDGET_CONTROL,
459 /* look up the given pin config list and return the item matching with NID */
460 static struct hda_pincfg *look_up_pincfg(struct hda_codec *codec,
461 struct snd_array *array,
464 struct hda_pincfg *pin;
467 snd_array_for_each(array, i, pin) {
474 /* set the current pin config value for the given NID.
475 * the value is cached, and read via snd_hda_codec_get_pincfg()
477 int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
478 hda_nid_t nid, unsigned int cfg)
480 struct hda_pincfg *pin;
482 /* the check below may be invalid when pins are added by a fixup
483 * dynamically (e.g. via snd_hda_codec_update_widgets()), so disabled
487 if (get_wcaps_type(get_wcaps(codec, nid)) != AC_WID_PIN)
491 pin = look_up_pincfg(codec, list, nid);
493 pin = snd_array_new(list);
503 * snd_hda_codec_set_pincfg - Override a pin default configuration
504 * @codec: the HDA codec
505 * @nid: NID to set the pin config
506 * @cfg: the pin default config value
508 * Override a pin default configuration value in the cache.
509 * This value can be read by snd_hda_codec_get_pincfg() in a higher
510 * priority than the real hardware value.
512 int snd_hda_codec_set_pincfg(struct hda_codec *codec,
513 hda_nid_t nid, unsigned int cfg)
515 return snd_hda_add_pincfg(codec, &codec->driver_pins, nid, cfg);
517 EXPORT_SYMBOL_GPL(snd_hda_codec_set_pincfg);
520 * snd_hda_codec_get_pincfg - Obtain a pin-default configuration
521 * @codec: the HDA codec
522 * @nid: NID to get the pin config
524 * Get the current pin config value of the given pin NID.
525 * If the pincfg value is cached or overridden via sysfs or driver,
526 * returns the cached value.
528 unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid)
530 struct hda_pincfg *pin;
532 #ifdef CONFIG_SND_HDA_RECONFIG
534 unsigned int cfg = 0;
535 mutex_lock(&codec->user_mutex);
536 pin = look_up_pincfg(codec, &codec->user_pins, nid);
539 mutex_unlock(&codec->user_mutex);
544 pin = look_up_pincfg(codec, &codec->driver_pins, nid);
547 pin = look_up_pincfg(codec, &codec->init_pins, nid);
552 EXPORT_SYMBOL_GPL(snd_hda_codec_get_pincfg);
555 * snd_hda_codec_set_pin_target - remember the current pinctl target value
556 * @codec: the HDA codec
558 * @val: assigned pinctl value
560 * This function stores the given value to a pinctl target value in the
561 * pincfg table. This isn't always as same as the actually written value
562 * but can be referred at any time via snd_hda_codec_get_pin_target().
564 int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid,
567 struct hda_pincfg *pin;
569 pin = look_up_pincfg(codec, &codec->init_pins, nid);
575 EXPORT_SYMBOL_GPL(snd_hda_codec_set_pin_target);
578 * snd_hda_codec_get_pin_target - return the current pinctl target value
579 * @codec: the HDA codec
582 int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid)
584 struct hda_pincfg *pin;
586 pin = look_up_pincfg(codec, &codec->init_pins, nid);
591 EXPORT_SYMBOL_GPL(snd_hda_codec_get_pin_target);
594 * snd_hda_shutup_pins - Shut up all pins
595 * @codec: the HDA codec
597 * Clear all pin controls to shup up before suspend for avoiding click noise.
598 * The controls aren't cached so that they can be resumed properly.
600 void snd_hda_shutup_pins(struct hda_codec *codec)
602 const struct hda_pincfg *pin;
605 /* don't shut up pins when unloading the driver; otherwise it breaks
606 * the default pin setup at the next load of the driver
608 if (codec->bus->shutdown)
610 snd_array_for_each(&codec->init_pins, i, pin) {
611 /* use read here for syncing after issuing each verb */
612 snd_hda_codec_read(codec, pin->nid, 0,
613 AC_VERB_SET_PIN_WIDGET_CONTROL, 0);
615 codec->pins_shutup = 1;
617 EXPORT_SYMBOL_GPL(snd_hda_shutup_pins);
620 /* Restore the pin controls cleared previously via snd_hda_shutup_pins() */
621 static void restore_shutup_pins(struct hda_codec *codec)
623 const struct hda_pincfg *pin;
626 if (!codec->pins_shutup)
628 if (codec->bus->shutdown)
630 snd_array_for_each(&codec->init_pins, i, pin) {
631 snd_hda_codec_write(codec, pin->nid, 0,
632 AC_VERB_SET_PIN_WIDGET_CONTROL,
635 codec->pins_shutup = 0;
639 static void hda_jackpoll_work(struct work_struct *work)
641 struct hda_codec *codec =
642 container_of(work, struct hda_codec, jackpoll_work.work);
644 /* for non-polling trigger: we need nothing if already powered on */
645 if (!codec->jackpoll_interval && snd_hdac_is_power_on(&codec->core))
648 /* the power-up/down sequence triggers the runtime resume */
649 snd_hda_power_up_pm(codec);
650 /* update jacks manually if polling is required, too */
651 if (codec->jackpoll_interval) {
652 snd_hda_jack_set_dirty_all(codec);
653 snd_hda_jack_poll_all(codec);
655 snd_hda_power_down_pm(codec);
657 if (!codec->jackpoll_interval)
660 schedule_delayed_work(&codec->jackpoll_work,
661 codec->jackpoll_interval);
664 /* release all pincfg lists */
665 static void free_init_pincfgs(struct hda_codec *codec)
667 snd_array_free(&codec->driver_pins);
668 #ifdef CONFIG_SND_HDA_RECONFIG
669 snd_array_free(&codec->user_pins);
671 snd_array_free(&codec->init_pins);
675 * audio-converter setup caches
677 struct hda_cvt_setup {
682 unsigned char active; /* cvt is currently used */
683 unsigned char dirty; /* setups should be cleared */
686 /* get or create a cache entry for the given audio converter NID */
687 static struct hda_cvt_setup *
688 get_hda_cvt_setup(struct hda_codec *codec, hda_nid_t nid)
690 struct hda_cvt_setup *p;
693 snd_array_for_each(&codec->cvt_setups, i, p) {
697 p = snd_array_new(&codec->cvt_setups);
706 static void release_pcm(struct kref *kref)
708 struct hda_pcm *pcm = container_of(kref, struct hda_pcm, kref);
711 snd_device_free(pcm->codec->card, pcm->pcm);
712 clear_bit(pcm->device, pcm->codec->bus->pcm_dev_bits);
717 void snd_hda_codec_pcm_put(struct hda_pcm *pcm)
719 kref_put(&pcm->kref, release_pcm);
721 EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_put);
723 struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec,
724 const char *fmt, ...)
729 pcm = kzalloc(sizeof(*pcm), GFP_KERNEL);
734 kref_init(&pcm->kref);
736 pcm->name = kvasprintf(GFP_KERNEL, fmt, args);
743 list_add_tail(&pcm->list, &codec->pcm_list_head);
746 EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_new);
751 static void codec_release_pcms(struct hda_codec *codec)
753 struct hda_pcm *pcm, *n;
755 list_for_each_entry_safe(pcm, n, &codec->pcm_list_head, list) {
756 list_del_init(&pcm->list);
758 snd_device_disconnect(codec->card, pcm->pcm);
759 snd_hda_codec_pcm_put(pcm);
763 void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec)
765 if (codec->registered) {
766 /* pm_runtime_put() is called in snd_hdac_device_exit() */
767 pm_runtime_get_noresume(hda_codec_dev(codec));
768 pm_runtime_disable(hda_codec_dev(codec));
769 codec->registered = 0;
772 cancel_delayed_work_sync(&codec->jackpoll_work);
773 if (!codec->in_freeing)
774 snd_hda_ctls_clear(codec);
775 codec_release_pcms(codec);
776 snd_hda_detach_beep_device(codec);
777 memset(&codec->patch_ops, 0, sizeof(codec->patch_ops));
778 snd_hda_jack_tbl_clear(codec);
779 codec->proc_widget_hook = NULL;
782 /* free only driver_pins so that init_pins + user_pins are restored */
783 snd_array_free(&codec->driver_pins);
784 snd_array_free(&codec->cvt_setups);
785 snd_array_free(&codec->spdif_out);
786 snd_array_free(&codec->verbs);
787 codec->preset = NULL;
788 codec->slave_dig_outs = NULL;
789 codec->spdif_status_reset = 0;
790 snd_array_free(&codec->mixers);
791 snd_array_free(&codec->nids);
792 remove_conn_list(codec);
793 snd_hdac_regmap_exit(&codec->core);
796 static unsigned int hda_set_power_state(struct hda_codec *codec,
797 unsigned int power_state);
799 /* enable/disable display power per codec */
800 static void codec_display_power(struct hda_codec *codec, bool enable)
802 if (codec->display_power_control)
803 snd_hdac_display_power(&codec->bus->core, codec->addr, enable);
806 /* also called from hda_bind.c */
807 void snd_hda_codec_register(struct hda_codec *codec)
809 if (codec->registered)
811 if (device_is_registered(hda_codec_dev(codec))) {
812 codec_display_power(codec, true);
813 pm_runtime_enable(hda_codec_dev(codec));
814 /* it was powered up in snd_hda_codec_new(), now all done */
815 snd_hda_power_down(codec);
816 codec->registered = 1;
820 static int snd_hda_codec_dev_register(struct snd_device *device)
822 snd_hda_codec_register(device->device_data);
826 static int snd_hda_codec_dev_free(struct snd_device *device)
828 struct hda_codec *codec = device->device_data;
830 codec->in_freeing = 1;
832 * snd_hda_codec_device_new() is used by legacy HDA and ASoC driver.
833 * We can't unregister ASoC device since it will be unregistered in
834 * snd_hdac_ext_bus_device_remove().
836 if (codec->core.type == HDA_DEV_LEGACY)
837 snd_hdac_device_unregister(&codec->core);
838 codec_display_power(codec, false);
841 * In the case of ASoC HD-audio bus, the device refcount is released in
842 * snd_hdac_ext_bus_device_remove() explicitly.
844 if (codec->core.type == HDA_DEV_LEGACY)
845 put_device(hda_codec_dev(codec));
850 static void snd_hda_codec_dev_release(struct device *dev)
852 struct hda_codec *codec = dev_to_hda_codec(dev);
854 free_init_pincfgs(codec);
855 snd_hdac_device_exit(&codec->core);
856 snd_hda_sysfs_clear(codec);
857 kfree(codec->modelname);
861 * In the case of ASoC HD-audio, hda_codec is device managed.
862 * It will be freed when the ASoC device is removed.
864 if (codec->core.type == HDA_DEV_LEGACY)
868 #define DEV_NAME_LEN 31
870 static int snd_hda_codec_device_init(struct hda_bus *bus, struct snd_card *card,
871 unsigned int codec_addr, struct hda_codec **codecp)
873 char name[DEV_NAME_LEN];
874 struct hda_codec *codec;
877 dev_dbg(card->dev, "%s: entry\n", __func__);
879 if (snd_BUG_ON(!bus))
881 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
884 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
888 sprintf(name, "hdaudioC%dD%d", card->number, codec_addr);
889 err = snd_hdac_device_init(&codec->core, &bus->core, name, codec_addr);
895 codec->core.type = HDA_DEV_LEGACY;
902 * snd_hda_codec_new - create a HDA codec
903 * @bus: the bus to assign
904 * @codec_addr: the codec address
905 * @codecp: the pointer to store the generated codec
907 * Returns 0 if successful, or a negative error code.
909 int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card,
910 unsigned int codec_addr, struct hda_codec **codecp)
914 ret = snd_hda_codec_device_init(bus, card, codec_addr, codecp);
918 return snd_hda_codec_device_new(bus, card, codec_addr, *codecp);
920 EXPORT_SYMBOL_GPL(snd_hda_codec_new);
922 int snd_hda_codec_device_new(struct hda_bus *bus, struct snd_card *card,
923 unsigned int codec_addr, struct hda_codec *codec)
928 static struct snd_device_ops dev_ops = {
929 .dev_register = snd_hda_codec_dev_register,
930 .dev_free = snd_hda_codec_dev_free,
933 dev_dbg(card->dev, "%s: entry\n", __func__);
935 if (snd_BUG_ON(!bus))
937 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
940 codec->core.dev.release = snd_hda_codec_dev_release;
941 codec->core.exec_verb = codec_exec_verb;
945 codec->addr = codec_addr;
946 mutex_init(&codec->spdif_mutex);
947 mutex_init(&codec->control_mutex);
948 snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 32);
949 snd_array_init(&codec->nids, sizeof(struct hda_nid_item), 32);
950 snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16);
951 snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16);
952 snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8);
953 snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16);
954 snd_array_init(&codec->jacktbl, sizeof(struct hda_jack_tbl), 16);
955 snd_array_init(&codec->verbs, sizeof(struct hda_verb *), 8);
956 INIT_LIST_HEAD(&codec->conn_list);
957 INIT_LIST_HEAD(&codec->pcm_list_head);
959 INIT_DELAYED_WORK(&codec->jackpoll_work, hda_jackpoll_work);
960 codec->depop_delay = -1;
961 codec->fixup_id = HDA_FIXUP_ID_NOT_SET;
964 codec->power_jiffies = jiffies;
967 snd_hda_sysfs_init(codec);
969 if (codec->bus->modelname) {
970 codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL);
971 if (!codec->modelname) {
977 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
978 err = read_widget_caps(codec, fg);
981 err = read_pin_defaults(codec);
985 /* power-up all before initialization */
986 hda_set_power_state(codec, AC_PWRST_D0);
987 codec->core.dev.power.power_state = PMSG_ON;
989 snd_hda_codec_proc_new(codec);
991 snd_hda_create_hwdep(codec);
993 sprintf(component, "HDA:%08x,%08x,%08x", codec->core.vendor_id,
994 codec->core.subsystem_id, codec->core.revision_id);
995 snd_component_add(card, component);
997 err = snd_device_new(card, SNDRV_DEV_CODEC, codec, &dev_ops);
1004 put_device(hda_codec_dev(codec));
1007 EXPORT_SYMBOL_GPL(snd_hda_codec_device_new);
1010 * snd_hda_codec_update_widgets - Refresh widget caps and pin defaults
1011 * @codec: the HDA codec
1013 * Forcibly refresh the all widget caps and the init pin configurations of
1016 int snd_hda_codec_update_widgets(struct hda_codec *codec)
1021 err = snd_hdac_refresh_widgets(&codec->core);
1025 /* Assume the function group node does not change,
1026 * only the widget nodes may change.
1028 kfree(codec->wcaps);
1029 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
1030 err = read_widget_caps(codec, fg);
1034 snd_array_free(&codec->init_pins);
1035 err = read_pin_defaults(codec);
1039 EXPORT_SYMBOL_GPL(snd_hda_codec_update_widgets);
1041 /* update the stream-id if changed */
1042 static void update_pcm_stream_id(struct hda_codec *codec,
1043 struct hda_cvt_setup *p, hda_nid_t nid,
1044 u32 stream_tag, int channel_id)
1046 unsigned int oldval, newval;
1048 if (p->stream_tag != stream_tag || p->channel_id != channel_id) {
1049 oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
1050 newval = (stream_tag << 4) | channel_id;
1051 if (oldval != newval)
1052 snd_hda_codec_write(codec, nid, 0,
1053 AC_VERB_SET_CHANNEL_STREAMID,
1055 p->stream_tag = stream_tag;
1056 p->channel_id = channel_id;
1060 /* update the format-id if changed */
1061 static void update_pcm_format(struct hda_codec *codec, struct hda_cvt_setup *p,
1062 hda_nid_t nid, int format)
1064 unsigned int oldval;
1066 if (p->format_id != format) {
1067 oldval = snd_hda_codec_read(codec, nid, 0,
1068 AC_VERB_GET_STREAM_FORMAT, 0);
1069 if (oldval != format) {
1071 snd_hda_codec_write(codec, nid, 0,
1072 AC_VERB_SET_STREAM_FORMAT,
1075 p->format_id = format;
1080 * snd_hda_codec_setup_stream - set up the codec for streaming
1081 * @codec: the CODEC to set up
1082 * @nid: the NID to set up
1083 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
1084 * @channel_id: channel id to pass, zero based.
1085 * @format: stream format.
1087 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
1089 int channel_id, int format)
1091 struct hda_codec *c;
1092 struct hda_cvt_setup *p;
1100 "hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
1101 nid, stream_tag, channel_id, format);
1102 p = get_hda_cvt_setup(codec, nid);
1106 if (codec->patch_ops.stream_pm)
1107 codec->patch_ops.stream_pm(codec, nid, true);
1108 if (codec->pcm_format_first)
1109 update_pcm_format(codec, p, nid, format);
1110 update_pcm_stream_id(codec, p, nid, stream_tag, channel_id);
1111 if (!codec->pcm_format_first)
1112 update_pcm_format(codec, p, nid, format);
1117 /* make other inactive cvts with the same stream-tag dirty */
1118 type = get_wcaps_type(get_wcaps(codec, nid));
1119 list_for_each_codec(c, codec->bus) {
1120 snd_array_for_each(&c->cvt_setups, i, p) {
1121 if (!p->active && p->stream_tag == stream_tag &&
1122 get_wcaps_type(get_wcaps(c, p->nid)) == type)
1127 EXPORT_SYMBOL_GPL(snd_hda_codec_setup_stream);
1129 static void really_cleanup_stream(struct hda_codec *codec,
1130 struct hda_cvt_setup *q);
1133 * __snd_hda_codec_cleanup_stream - clean up the codec for closing
1134 * @codec: the CODEC to clean up
1135 * @nid: the NID to clean up
1136 * @do_now: really clean up the stream instead of clearing the active flag
1138 void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
1141 struct hda_cvt_setup *p;
1146 if (codec->no_sticky_stream)
1149 codec_dbg(codec, "hda_codec_cleanup_stream: NID=0x%x\n", nid);
1150 p = get_hda_cvt_setup(codec, nid);
1152 /* here we just clear the active flag when do_now isn't set;
1153 * actual clean-ups will be done later in
1154 * purify_inactive_streams() called from snd_hda_codec_prpapre()
1157 really_cleanup_stream(codec, p);
1162 EXPORT_SYMBOL_GPL(__snd_hda_codec_cleanup_stream);
1164 static void really_cleanup_stream(struct hda_codec *codec,
1165 struct hda_cvt_setup *q)
1167 hda_nid_t nid = q->nid;
1168 if (q->stream_tag || q->channel_id)
1169 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1171 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0
1173 memset(q, 0, sizeof(*q));
1175 if (codec->patch_ops.stream_pm)
1176 codec->patch_ops.stream_pm(codec, nid, false);
1179 /* clean up the all conflicting obsolete streams */
1180 static void purify_inactive_streams(struct hda_codec *codec)
1182 struct hda_codec *c;
1183 struct hda_cvt_setup *p;
1186 list_for_each_codec(c, codec->bus) {
1187 snd_array_for_each(&c->cvt_setups, i, p) {
1189 really_cleanup_stream(c, p);
1195 /* clean up all streams; called from suspend */
1196 static void hda_cleanup_all_streams(struct hda_codec *codec)
1198 struct hda_cvt_setup *p;
1201 snd_array_for_each(&codec->cvt_setups, i, p) {
1203 really_cleanup_stream(codec, p);
1209 * amp access functions
1213 * query_amp_caps - query AMP capabilities
1214 * @codec: the HD-auio codec
1215 * @nid: the NID to query
1216 * @direction: either #HDA_INPUT or #HDA_OUTPUT
1218 * Query AMP capabilities for the given widget and direction.
1219 * Returns the obtained capability bits.
1221 * When cap bits have been already read, this doesn't read again but
1222 * returns the cached value.
1224 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
1226 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
1227 nid = codec->core.afg;
1228 return snd_hda_param_read(codec, nid,
1229 direction == HDA_OUTPUT ?
1230 AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
1232 EXPORT_SYMBOL_GPL(query_amp_caps);
1235 * snd_hda_check_amp_caps - query AMP capabilities
1236 * @codec: the HD-audio codec
1237 * @nid: the NID to query
1238 * @dir: either #HDA_INPUT or #HDA_OUTPUT
1239 * @bits: bit mask to check the result
1241 * Check whether the widget has the given amp capability for the direction.
1243 bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
1244 int dir, unsigned int bits)
1248 if (get_wcaps(codec, nid) & (1 << (dir + 1)))
1249 if (query_amp_caps(codec, nid, dir) & bits)
1253 EXPORT_SYMBOL_GPL(snd_hda_check_amp_caps);
1256 * snd_hda_override_amp_caps - Override the AMP capabilities
1257 * @codec: the CODEC to clean up
1258 * @nid: the NID to clean up
1259 * @dir: either #HDA_INPUT or #HDA_OUTPUT
1260 * @caps: the capability bits to set
1262 * Override the cached AMP caps bits value by the given one.
1263 * This function is useful if the driver needs to adjust the AMP ranges,
1264 * e.g. limit to 0dB, etc.
1266 * Returns zero if successful or a negative error code.
1268 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
1273 snd_hda_override_wcaps(codec, nid,
1274 get_wcaps(codec, nid) | AC_WCAP_AMP_OVRD);
1275 parm = dir == HDA_OUTPUT ? AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP;
1276 return snd_hdac_override_parm(&codec->core, nid, parm, caps);
1278 EXPORT_SYMBOL_GPL(snd_hda_override_amp_caps);
1280 static unsigned int encode_amp(struct hda_codec *codec, hda_nid_t nid,
1281 int ch, int dir, int idx)
1283 unsigned int cmd = snd_hdac_regmap_encode_amp(nid, ch, dir, idx);
1285 /* enable fake mute if no h/w mute but min=mute */
1286 if ((query_amp_caps(codec, nid, dir) &
1287 (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) == AC_AMPCAP_MIN_MUTE)
1288 cmd |= AC_AMP_FAKE_MUTE;
1293 * snd_hda_codec_amp_update - update the AMP mono value
1294 * @codec: HD-audio codec
1295 * @nid: NID to read the AMP value
1296 * @ch: channel to update (0 or 1)
1297 * @dir: #HDA_INPUT or #HDA_OUTPUT
1298 * @idx: the index value (only for input direction)
1299 * @mask: bit mask to set
1300 * @val: the bits value to set
1302 * Update the AMP values for the given channel, direction and index.
1304 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid,
1305 int ch, int dir, int idx, int mask, int val)
1307 unsigned int cmd = encode_amp(codec, nid, ch, dir, idx);
1309 return snd_hdac_regmap_update_raw(&codec->core, cmd, mask, val);
1311 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_update);
1314 * snd_hda_codec_amp_stereo - update the AMP stereo values
1315 * @codec: HD-audio codec
1316 * @nid: NID to read the AMP value
1317 * @direction: #HDA_INPUT or #HDA_OUTPUT
1318 * @idx: the index value (only for input direction)
1319 * @mask: bit mask to set
1320 * @val: the bits value to set
1322 * Update the AMP values like snd_hda_codec_amp_update(), but for a
1323 * stereo widget with the same mask and value.
1325 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
1326 int direction, int idx, int mask, int val)
1330 if (snd_BUG_ON(mask & ~0xff))
1332 for (ch = 0; ch < 2; ch++)
1333 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
1337 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_stereo);
1340 * snd_hda_codec_amp_init - initialize the AMP value
1341 * @codec: the HDA codec
1342 * @nid: NID to read the AMP value
1343 * @ch: channel (left=0 or right=1)
1344 * @dir: #HDA_INPUT or #HDA_OUTPUT
1345 * @idx: the index value (only for input direction)
1346 * @mask: bit mask to set
1347 * @val: the bits value to set
1349 * Works like snd_hda_codec_amp_update() but it writes the value only at
1350 * the first access. If the amp was already initialized / updated beforehand,
1351 * this does nothing.
1353 int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
1354 int dir, int idx, int mask, int val)
1356 unsigned int cmd = encode_amp(codec, nid, ch, dir, idx);
1358 if (!codec->core.regmap)
1360 return snd_hdac_regmap_update_raw_once(&codec->core, cmd, mask, val);
1362 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init);
1365 * snd_hda_codec_amp_init_stereo - initialize the stereo AMP value
1366 * @codec: the HDA codec
1367 * @nid: NID to read the AMP value
1368 * @dir: #HDA_INPUT or #HDA_OUTPUT
1369 * @idx: the index value (only for input direction)
1370 * @mask: bit mask to set
1371 * @val: the bits value to set
1373 * Call snd_hda_codec_amp_init() for both stereo channels.
1375 int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
1376 int dir, int idx, int mask, int val)
1380 if (snd_BUG_ON(mask & ~0xff))
1382 for (ch = 0; ch < 2; ch++)
1383 ret |= snd_hda_codec_amp_init(codec, nid, ch, dir,
1387 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init_stereo);
1389 static u32 get_amp_max_value(struct hda_codec *codec, hda_nid_t nid, int dir,
1392 u32 caps = query_amp_caps(codec, nid, dir);
1394 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1401 * snd_hda_mixer_amp_volume_info - Info callback for a standard AMP mixer
1402 * @kcontrol: referred ctl element
1403 * @uinfo: pointer to get/store the data
1405 * The control element is supposed to have the private_value field
1406 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1408 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
1409 struct snd_ctl_elem_info *uinfo)
1411 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1412 u16 nid = get_amp_nid(kcontrol);
1413 u8 chs = get_amp_channels(kcontrol);
1414 int dir = get_amp_direction(kcontrol);
1415 unsigned int ofs = get_amp_offset(kcontrol);
1417 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1418 uinfo->count = chs == 3 ? 2 : 1;
1419 uinfo->value.integer.min = 0;
1420 uinfo->value.integer.max = get_amp_max_value(codec, nid, dir, ofs);
1421 if (!uinfo->value.integer.max) {
1423 "num_steps = 0 for NID=0x%x (ctl = %s)\n",
1424 nid, kcontrol->id.name);
1429 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_info);
1432 static inline unsigned int
1433 read_amp_value(struct hda_codec *codec, hda_nid_t nid,
1434 int ch, int dir, int idx, unsigned int ofs)
1437 val = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
1438 val &= HDA_AMP_VOLMASK;
1447 update_amp_value(struct hda_codec *codec, hda_nid_t nid,
1448 int ch, int dir, int idx, unsigned int ofs,
1451 unsigned int maxval;
1455 /* ofs = 0: raw max value */
1456 maxval = get_amp_max_value(codec, nid, dir, 0);
1459 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx,
1460 HDA_AMP_VOLMASK, val);
1464 * snd_hda_mixer_amp_volume_get - Get callback for a standard AMP mixer volume
1465 * @kcontrol: ctl element
1466 * @ucontrol: pointer to get/store the data
1468 * The control element is supposed to have the private_value field
1469 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1471 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
1472 struct snd_ctl_elem_value *ucontrol)
1474 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1475 hda_nid_t nid = get_amp_nid(kcontrol);
1476 int chs = get_amp_channels(kcontrol);
1477 int dir = get_amp_direction(kcontrol);
1478 int idx = get_amp_index(kcontrol);
1479 unsigned int ofs = get_amp_offset(kcontrol);
1480 long *valp = ucontrol->value.integer.value;
1483 *valp++ = read_amp_value(codec, nid, 0, dir, idx, ofs);
1485 *valp = read_amp_value(codec, nid, 1, dir, idx, ofs);
1488 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_get);
1491 * snd_hda_mixer_amp_volume_put - Put callback for a standard AMP mixer volume
1492 * @kcontrol: ctl element
1493 * @ucontrol: pointer to get/store the data
1495 * The control element is supposed to have the private_value field
1496 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1498 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1499 struct snd_ctl_elem_value *ucontrol)
1501 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1502 hda_nid_t nid = get_amp_nid(kcontrol);
1503 int chs = get_amp_channels(kcontrol);
1504 int dir = get_amp_direction(kcontrol);
1505 int idx = get_amp_index(kcontrol);
1506 unsigned int ofs = get_amp_offset(kcontrol);
1507 long *valp = ucontrol->value.integer.value;
1511 change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp);
1515 change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp);
1518 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_put);
1520 /* inquiry the amp caps and convert to TLV */
1521 static void get_ctl_amp_tlv(struct snd_kcontrol *kcontrol, unsigned int *tlv)
1523 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1524 hda_nid_t nid = get_amp_nid(kcontrol);
1525 int dir = get_amp_direction(kcontrol);
1526 unsigned int ofs = get_amp_offset(kcontrol);
1527 bool min_mute = get_amp_min_mute(kcontrol);
1528 u32 caps, val1, val2;
1530 caps = query_amp_caps(codec, nid, dir);
1531 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1532 val2 = (val2 + 1) * 25;
1533 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1535 val1 = ((int)val1) * ((int)val2);
1536 if (min_mute || (caps & AC_AMPCAP_MIN_MUTE))
1537 val2 |= TLV_DB_SCALE_MUTE;
1538 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1539 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1540 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = val1;
1541 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = val2;
1545 * snd_hda_mixer_amp_tlv - TLV callback for a standard AMP mixer volume
1546 * @kcontrol: ctl element
1547 * @op_flag: operation flag
1548 * @size: byte size of input TLV
1551 * The control element is supposed to have the private_value field
1552 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1554 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1555 unsigned int size, unsigned int __user *_tlv)
1557 unsigned int tlv[4];
1559 if (size < 4 * sizeof(unsigned int))
1561 get_ctl_amp_tlv(kcontrol, tlv);
1562 if (copy_to_user(_tlv, tlv, sizeof(tlv)))
1566 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_tlv);
1569 * snd_hda_set_vmaster_tlv - Set TLV for a virtual master control
1570 * @codec: HD-audio codec
1571 * @nid: NID of a reference widget
1572 * @dir: #HDA_INPUT or #HDA_OUTPUT
1573 * @tlv: TLV data to be stored, at least 4 elements
1575 * Set (static) TLV data for a virtual master volume using the AMP caps
1576 * obtained from the reference NID.
1577 * The volume range is recalculated as if the max volume is 0dB.
1579 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1585 caps = query_amp_caps(codec, nid, dir);
1586 nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1587 step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1588 step = (step + 1) * 25;
1589 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1590 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1591 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = -nums * step;
1592 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = step;
1594 EXPORT_SYMBOL_GPL(snd_hda_set_vmaster_tlv);
1596 /* find a mixer control element with the given name */
1597 static struct snd_kcontrol *
1598 find_mixer_ctl(struct hda_codec *codec, const char *name, int dev, int idx)
1600 struct snd_ctl_elem_id id;
1601 memset(&id, 0, sizeof(id));
1602 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1605 if (snd_BUG_ON(strlen(name) >= sizeof(id.name)))
1607 strcpy(id.name, name);
1608 return snd_ctl_find_id(codec->card, &id);
1612 * snd_hda_find_mixer_ctl - Find a mixer control element with the given name
1613 * @codec: HD-audio codec
1614 * @name: ctl id name string
1616 * Get the control element with the given id string and IFACE_MIXER.
1618 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1621 return find_mixer_ctl(codec, name, 0, 0);
1623 EXPORT_SYMBOL_GPL(snd_hda_find_mixer_ctl);
1625 static int find_empty_mixer_ctl_idx(struct hda_codec *codec, const char *name,
1629 /* 16 ctlrs should be large enough */
1630 for (i = 0, idx = start_idx; i < 16; i++, idx++) {
1631 if (!find_mixer_ctl(codec, name, 0, idx))
1638 * snd_hda_ctl_add - Add a control element and assign to the codec
1639 * @codec: HD-audio codec
1640 * @nid: corresponding NID (optional)
1641 * @kctl: the control element to assign
1643 * Add the given control element to an array inside the codec instance.
1644 * All control elements belonging to a codec are supposed to be added
1645 * by this function so that a proper clean-up works at the free or
1646 * reconfiguration time.
1648 * If non-zero @nid is passed, the NID is assigned to the control element.
1649 * The assignment is shown in the codec proc file.
1651 * snd_hda_ctl_add() checks the control subdev id field whether
1652 * #HDA_SUBDEV_NID_FLAG bit is set. If set (and @nid is zero), the lower
1653 * bits value is taken as the NID to assign. The #HDA_NID_ITEM_AMP bit
1654 * specifies if kctl->private_value is a HDA amplifier value.
1656 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
1657 struct snd_kcontrol *kctl)
1660 unsigned short flags = 0;
1661 struct hda_nid_item *item;
1663 if (kctl->id.subdevice & HDA_SUBDEV_AMP_FLAG) {
1664 flags |= HDA_NID_ITEM_AMP;
1666 nid = get_amp_nid_(kctl->private_value);
1668 if ((kctl->id.subdevice & HDA_SUBDEV_NID_FLAG) != 0 && nid == 0)
1669 nid = kctl->id.subdevice & 0xffff;
1670 if (kctl->id.subdevice & (HDA_SUBDEV_NID_FLAG|HDA_SUBDEV_AMP_FLAG))
1671 kctl->id.subdevice = 0;
1672 err = snd_ctl_add(codec->card, kctl);
1675 item = snd_array_new(&codec->mixers);
1680 item->flags = flags;
1683 EXPORT_SYMBOL_GPL(snd_hda_ctl_add);
1686 * snd_hda_add_nid - Assign a NID to a control element
1687 * @codec: HD-audio codec
1688 * @nid: corresponding NID (optional)
1689 * @kctl: the control element to assign
1690 * @index: index to kctl
1692 * Add the given control element to an array inside the codec instance.
1693 * This function is used when #snd_hda_ctl_add cannot be used for 1:1
1694 * NID:KCTL mapping - for example "Capture Source" selector.
1696 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
1697 unsigned int index, hda_nid_t nid)
1699 struct hda_nid_item *item;
1702 item = snd_array_new(&codec->nids);
1706 item->index = index;
1710 codec_err(codec, "no NID for mapping control %s:%d:%d\n",
1711 kctl->id.name, kctl->id.index, index);
1714 EXPORT_SYMBOL_GPL(snd_hda_add_nid);
1717 * snd_hda_ctls_clear - Clear all controls assigned to the given codec
1718 * @codec: HD-audio codec
1720 void snd_hda_ctls_clear(struct hda_codec *codec)
1723 struct hda_nid_item *items = codec->mixers.list;
1725 down_write(&codec->card->controls_rwsem);
1726 for (i = 0; i < codec->mixers.used; i++)
1727 snd_ctl_remove(codec->card, items[i].kctl);
1728 up_write(&codec->card->controls_rwsem);
1729 snd_array_free(&codec->mixers);
1730 snd_array_free(&codec->nids);
1734 * snd_hda_lock_devices - pseudo device locking
1737 * toggle card->shutdown to allow/disallow the device access (as a hack)
1739 int snd_hda_lock_devices(struct hda_bus *bus)
1741 struct snd_card *card = bus->card;
1742 struct hda_codec *codec;
1744 spin_lock(&card->files_lock);
1748 if (!list_empty(&card->ctl_files))
1751 list_for_each_codec(codec, bus) {
1752 struct hda_pcm *cpcm;
1753 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
1756 if (cpcm->pcm->streams[0].substream_opened ||
1757 cpcm->pcm->streams[1].substream_opened)
1761 spin_unlock(&card->files_lock);
1767 spin_unlock(&card->files_lock);
1770 EXPORT_SYMBOL_GPL(snd_hda_lock_devices);
1773 * snd_hda_unlock_devices - pseudo device unlocking
1776 void snd_hda_unlock_devices(struct hda_bus *bus)
1778 struct snd_card *card = bus->card;
1780 spin_lock(&card->files_lock);
1782 spin_unlock(&card->files_lock);
1784 EXPORT_SYMBOL_GPL(snd_hda_unlock_devices);
1787 * snd_hda_codec_reset - Clear all objects assigned to the codec
1788 * @codec: HD-audio codec
1790 * This frees the all PCM and control elements assigned to the codec, and
1791 * clears the caches and restores the pin default configurations.
1793 * When a device is being used, it returns -EBSY. If successfully freed,
1796 int snd_hda_codec_reset(struct hda_codec *codec)
1798 struct hda_bus *bus = codec->bus;
1800 if (snd_hda_lock_devices(bus) < 0)
1803 /* OK, let it free */
1804 device_release_driver(hda_codec_dev(codec));
1806 /* allow device access again */
1807 snd_hda_unlock_devices(bus);
1811 typedef int (*map_slave_func_t)(struct hda_codec *, void *, struct snd_kcontrol *);
1813 /* apply the function to all matching slave ctls in the mixer list */
1814 static int map_slaves(struct hda_codec *codec, const char * const *slaves,
1815 const char *suffix, map_slave_func_t func, void *data)
1817 struct hda_nid_item *items;
1818 const char * const *s;
1821 items = codec->mixers.list;
1822 for (i = 0; i < codec->mixers.used; i++) {
1823 struct snd_kcontrol *sctl = items[i].kctl;
1824 if (!sctl || sctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER)
1826 for (s = slaves; *s; s++) {
1827 char tmpname[sizeof(sctl->id.name)];
1828 const char *name = *s;
1830 snprintf(tmpname, sizeof(tmpname), "%s %s",
1834 if (!strcmp(sctl->id.name, name)) {
1835 err = func(codec, data, sctl);
1845 static int check_slave_present(struct hda_codec *codec,
1846 void *data, struct snd_kcontrol *sctl)
1851 /* call kctl->put with the given value(s) */
1852 static int put_kctl_with_value(struct snd_kcontrol *kctl, int val)
1854 struct snd_ctl_elem_value *ucontrol;
1855 ucontrol = kzalloc(sizeof(*ucontrol), GFP_KERNEL);
1858 ucontrol->value.integer.value[0] = val;
1859 ucontrol->value.integer.value[1] = val;
1860 kctl->put(kctl, ucontrol);
1865 struct slave_init_arg {
1866 struct hda_codec *codec;
1870 /* initialize the slave volume with 0dB via snd_ctl_apply_vmaster_slaves() */
1871 static int init_slave_0dB(struct snd_kcontrol *slave,
1872 struct snd_kcontrol *kctl,
1875 struct slave_init_arg *arg = _arg;
1877 const int *tlv = NULL;
1881 if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
1882 if (kctl->tlv.c != snd_hda_mixer_amp_tlv) {
1883 codec_err(arg->codec,
1884 "Unexpected TLV callback for slave %s:%d\n",
1885 kctl->id.name, kctl->id.index);
1886 return 0; /* ignore */
1888 get_ctl_amp_tlv(kctl, _tlv);
1890 } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ)
1893 if (!tlv || tlv[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE)
1896 step = tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP];
1897 step &= ~TLV_DB_SCALE_MUTE;
1900 if (arg->step && arg->step != step) {
1901 codec_err(arg->codec,
1902 "Mismatching dB step for vmaster slave (%d!=%d)\n",
1908 val = -tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] / step;
1910 put_kctl_with_value(slave, val);
1917 /* unmute the slave via snd_ctl_apply_vmaster_slaves() */
1918 static int init_slave_unmute(struct snd_kcontrol *slave,
1919 struct snd_kcontrol *kctl,
1922 return put_kctl_with_value(slave, 1);
1925 static int add_slave(struct hda_codec *codec,
1926 void *data, struct snd_kcontrol *slave)
1928 return snd_ctl_add_slave(data, slave);
1932 * __snd_hda_add_vmaster - create a virtual master control and add slaves
1933 * @codec: HD-audio codec
1934 * @name: vmaster control name
1935 * @tlv: TLV data (optional)
1936 * @slaves: slave control names (optional)
1937 * @suffix: suffix string to each slave name (optional)
1938 * @init_slave_vol: initialize slaves to unmute/0dB
1939 * @ctl_ret: store the vmaster kcontrol in return
1941 * Create a virtual master control with the given name. The TLV data
1942 * must be either NULL or a valid data.
1944 * @slaves is a NULL-terminated array of strings, each of which is a
1945 * slave control name. All controls with these names are assigned to
1946 * the new virtual master control.
1948 * This function returns zero if successful or a negative error code.
1950 int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
1951 unsigned int *tlv, const char * const *slaves,
1952 const char *suffix, bool init_slave_vol,
1953 struct snd_kcontrol **ctl_ret)
1955 struct snd_kcontrol *kctl;
1961 err = map_slaves(codec, slaves, suffix, check_slave_present, NULL);
1963 codec_dbg(codec, "No slave found for %s\n", name);
1966 kctl = snd_ctl_make_virtual_master(name, tlv);
1969 err = snd_hda_ctl_add(codec, 0, kctl);
1973 err = map_slaves(codec, slaves, suffix, add_slave, kctl);
1977 /* init with master mute & zero volume */
1978 put_kctl_with_value(kctl, 0);
1979 if (init_slave_vol) {
1980 struct slave_init_arg arg = {
1984 snd_ctl_apply_vmaster_slaves(kctl,
1985 tlv ? init_slave_0dB : init_slave_unmute,
1993 EXPORT_SYMBOL_GPL(__snd_hda_add_vmaster);
1996 * mute-LED control using vmaster
1998 static int vmaster_mute_mode_info(struct snd_kcontrol *kcontrol,
1999 struct snd_ctl_elem_info *uinfo)
2001 static const char * const texts[] = {
2002 "On", "Off", "Follow Master"
2005 return snd_ctl_enum_info(uinfo, 1, 3, texts);
2008 static int vmaster_mute_mode_get(struct snd_kcontrol *kcontrol,
2009 struct snd_ctl_elem_value *ucontrol)
2011 struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
2012 ucontrol->value.enumerated.item[0] = hook->mute_mode;
2016 static int vmaster_mute_mode_put(struct snd_kcontrol *kcontrol,
2017 struct snd_ctl_elem_value *ucontrol)
2019 struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
2020 unsigned int old_mode = hook->mute_mode;
2022 hook->mute_mode = ucontrol->value.enumerated.item[0];
2023 if (hook->mute_mode > HDA_VMUTE_FOLLOW_MASTER)
2024 hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
2025 if (old_mode == hook->mute_mode)
2027 snd_hda_sync_vmaster_hook(hook);
2031 static const struct snd_kcontrol_new vmaster_mute_mode = {
2032 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2033 .name = "Mute-LED Mode",
2034 .info = vmaster_mute_mode_info,
2035 .get = vmaster_mute_mode_get,
2036 .put = vmaster_mute_mode_put,
2039 /* meta hook to call each driver's vmaster hook */
2040 static void vmaster_hook(void *private_data, int enabled)
2042 struct hda_vmaster_mute_hook *hook = private_data;
2044 if (hook->mute_mode != HDA_VMUTE_FOLLOW_MASTER)
2045 enabled = hook->mute_mode;
2046 hook->hook(hook->codec, enabled);
2050 * snd_hda_add_vmaster_hook - Add a vmaster hook for mute-LED
2051 * @codec: the HDA codec
2052 * @hook: the vmaster hook object
2053 * @expose_enum_ctl: flag to create an enum ctl
2055 * Add a mute-LED hook with the given vmaster switch kctl.
2056 * When @expose_enum_ctl is set, "Mute-LED Mode" control is automatically
2057 * created and associated with the given hook.
2059 int snd_hda_add_vmaster_hook(struct hda_codec *codec,
2060 struct hda_vmaster_mute_hook *hook,
2061 bool expose_enum_ctl)
2063 struct snd_kcontrol *kctl;
2065 if (!hook->hook || !hook->sw_kctl)
2067 hook->codec = codec;
2068 hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
2069 snd_ctl_add_vmaster_hook(hook->sw_kctl, vmaster_hook, hook);
2070 if (!expose_enum_ctl)
2072 kctl = snd_ctl_new1(&vmaster_mute_mode, hook);
2075 return snd_hda_ctl_add(codec, 0, kctl);
2077 EXPORT_SYMBOL_GPL(snd_hda_add_vmaster_hook);
2080 * snd_hda_sync_vmaster_hook - Sync vmaster hook
2081 * @hook: the vmaster hook
2083 * Call the hook with the current value for synchronization.
2084 * Should be called in init callback.
2086 void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook)
2088 if (!hook->hook || !hook->codec)
2090 /* don't call vmaster hook in the destructor since it might have
2091 * been already destroyed
2093 if (hook->codec->bus->shutdown)
2095 snd_ctl_sync_vmaster_hook(hook->sw_kctl);
2097 EXPORT_SYMBOL_GPL(snd_hda_sync_vmaster_hook);
2101 * snd_hda_mixer_amp_switch_info - Info callback for a standard AMP mixer switch
2102 * @kcontrol: referred ctl element
2103 * @uinfo: pointer to get/store the data
2105 * The control element is supposed to have the private_value field
2106 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2108 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
2109 struct snd_ctl_elem_info *uinfo)
2111 int chs = get_amp_channels(kcontrol);
2113 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2114 uinfo->count = chs == 3 ? 2 : 1;
2115 uinfo->value.integer.min = 0;
2116 uinfo->value.integer.max = 1;
2119 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_info);
2122 * snd_hda_mixer_amp_switch_get - Get callback for a standard AMP mixer switch
2123 * @kcontrol: ctl element
2124 * @ucontrol: pointer to get/store the data
2126 * The control element is supposed to have the private_value field
2127 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2129 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
2130 struct snd_ctl_elem_value *ucontrol)
2132 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2133 hda_nid_t nid = get_amp_nid(kcontrol);
2134 int chs = get_amp_channels(kcontrol);
2135 int dir = get_amp_direction(kcontrol);
2136 int idx = get_amp_index(kcontrol);
2137 long *valp = ucontrol->value.integer.value;
2140 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
2141 HDA_AMP_MUTE) ? 0 : 1;
2143 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
2144 HDA_AMP_MUTE) ? 0 : 1;
2147 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_get);
2150 * snd_hda_mixer_amp_switch_put - Put callback for a standard AMP mixer switch
2151 * @kcontrol: ctl element
2152 * @ucontrol: pointer to get/store the data
2154 * The control element is supposed to have the private_value field
2155 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2157 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
2158 struct snd_ctl_elem_value *ucontrol)
2160 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2161 hda_nid_t nid = get_amp_nid(kcontrol);
2162 int chs = get_amp_channels(kcontrol);
2163 int dir = get_amp_direction(kcontrol);
2164 int idx = get_amp_index(kcontrol);
2165 long *valp = ucontrol->value.integer.value;
2169 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
2171 *valp ? 0 : HDA_AMP_MUTE);
2175 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
2177 *valp ? 0 : HDA_AMP_MUTE);
2178 hda_call_check_power_status(codec, nid);
2181 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put);
2184 * SPDIF out controls
2187 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
2188 struct snd_ctl_elem_info *uinfo)
2190 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2195 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
2196 struct snd_ctl_elem_value *ucontrol)
2198 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2199 IEC958_AES0_NONAUDIO |
2200 IEC958_AES0_CON_EMPHASIS_5015 |
2201 IEC958_AES0_CON_NOT_COPYRIGHT;
2202 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
2203 IEC958_AES1_CON_ORIGINAL;
2207 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
2208 struct snd_ctl_elem_value *ucontrol)
2210 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2211 IEC958_AES0_NONAUDIO |
2212 IEC958_AES0_PRO_EMPHASIS_5015;
2216 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
2217 struct snd_ctl_elem_value *ucontrol)
2219 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2220 int idx = kcontrol->private_value;
2221 struct hda_spdif_out *spdif;
2223 if (WARN_ON(codec->spdif_out.used <= idx))
2225 mutex_lock(&codec->spdif_mutex);
2226 spdif = snd_array_elem(&codec->spdif_out, idx);
2227 ucontrol->value.iec958.status[0] = spdif->status & 0xff;
2228 ucontrol->value.iec958.status[1] = (spdif->status >> 8) & 0xff;
2229 ucontrol->value.iec958.status[2] = (spdif->status >> 16) & 0xff;
2230 ucontrol->value.iec958.status[3] = (spdif->status >> 24) & 0xff;
2231 mutex_unlock(&codec->spdif_mutex);
2236 /* convert from SPDIF status bits to HDA SPDIF bits
2237 * bit 0 (DigEn) is always set zero (to be filled later)
2239 static unsigned short convert_from_spdif_status(unsigned int sbits)
2241 unsigned short val = 0;
2243 if (sbits & IEC958_AES0_PROFESSIONAL)
2244 val |= AC_DIG1_PROFESSIONAL;
2245 if (sbits & IEC958_AES0_NONAUDIO)
2246 val |= AC_DIG1_NONAUDIO;
2247 if (sbits & IEC958_AES0_PROFESSIONAL) {
2248 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
2249 IEC958_AES0_PRO_EMPHASIS_5015)
2250 val |= AC_DIG1_EMPHASIS;
2252 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
2253 IEC958_AES0_CON_EMPHASIS_5015)
2254 val |= AC_DIG1_EMPHASIS;
2255 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
2256 val |= AC_DIG1_COPYRIGHT;
2257 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
2258 val |= AC_DIG1_LEVEL;
2259 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
2264 /* convert to SPDIF status bits from HDA SPDIF bits
2266 static unsigned int convert_to_spdif_status(unsigned short val)
2268 unsigned int sbits = 0;
2270 if (val & AC_DIG1_NONAUDIO)
2271 sbits |= IEC958_AES0_NONAUDIO;
2272 if (val & AC_DIG1_PROFESSIONAL)
2273 sbits |= IEC958_AES0_PROFESSIONAL;
2274 if (sbits & IEC958_AES0_PROFESSIONAL) {
2275 if (val & AC_DIG1_EMPHASIS)
2276 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
2278 if (val & AC_DIG1_EMPHASIS)
2279 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
2280 if (!(val & AC_DIG1_COPYRIGHT))
2281 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
2282 if (val & AC_DIG1_LEVEL)
2283 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
2284 sbits |= val & (0x7f << 8);
2289 /* set digital convert verbs both for the given NID and its slaves */
2290 static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
2295 snd_hdac_regmap_update(&codec->core, nid, AC_VERB_SET_DIGI_CONVERT_1,
2297 d = codec->slave_dig_outs;
2301 snd_hdac_regmap_update(&codec->core, *d,
2302 AC_VERB_SET_DIGI_CONVERT_1, mask, val);
2305 static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
2308 unsigned int mask = 0;
2309 unsigned int val = 0;
2319 set_dig_out(codec, nid, mask, val);
2322 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
2323 struct snd_ctl_elem_value *ucontrol)
2325 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2326 int idx = kcontrol->private_value;
2327 struct hda_spdif_out *spdif;
2332 if (WARN_ON(codec->spdif_out.used <= idx))
2334 mutex_lock(&codec->spdif_mutex);
2335 spdif = snd_array_elem(&codec->spdif_out, idx);
2337 spdif->status = ucontrol->value.iec958.status[0] |
2338 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
2339 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
2340 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
2341 val = convert_from_spdif_status(spdif->status);
2342 val |= spdif->ctls & 1;
2343 change = spdif->ctls != val;
2345 if (change && nid != (u16)-1)
2346 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
2347 mutex_unlock(&codec->spdif_mutex);
2351 #define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
2353 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
2354 struct snd_ctl_elem_value *ucontrol)
2356 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2357 int idx = kcontrol->private_value;
2358 struct hda_spdif_out *spdif;
2360 if (WARN_ON(codec->spdif_out.used <= idx))
2362 mutex_lock(&codec->spdif_mutex);
2363 spdif = snd_array_elem(&codec->spdif_out, idx);
2364 ucontrol->value.integer.value[0] = spdif->ctls & AC_DIG1_ENABLE;
2365 mutex_unlock(&codec->spdif_mutex);
2369 static inline void set_spdif_ctls(struct hda_codec *codec, hda_nid_t nid,
2372 set_dig_out_convert(codec, nid, dig1, dig2);
2373 /* unmute amp switch (if any) */
2374 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
2375 (dig1 & AC_DIG1_ENABLE))
2376 snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
2380 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
2381 struct snd_ctl_elem_value *ucontrol)
2383 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2384 int idx = kcontrol->private_value;
2385 struct hda_spdif_out *spdif;
2390 if (WARN_ON(codec->spdif_out.used <= idx))
2392 mutex_lock(&codec->spdif_mutex);
2393 spdif = snd_array_elem(&codec->spdif_out, idx);
2395 val = spdif->ctls & ~AC_DIG1_ENABLE;
2396 if (ucontrol->value.integer.value[0])
2397 val |= AC_DIG1_ENABLE;
2398 change = spdif->ctls != val;
2400 if (change && nid != (u16)-1)
2401 set_spdif_ctls(codec, nid, val & 0xff, -1);
2402 mutex_unlock(&codec->spdif_mutex);
2406 static struct snd_kcontrol_new dig_mixes[] = {
2408 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2409 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2410 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
2411 .info = snd_hda_spdif_mask_info,
2412 .get = snd_hda_spdif_cmask_get,
2415 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2416 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2417 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
2418 .info = snd_hda_spdif_mask_info,
2419 .get = snd_hda_spdif_pmask_get,
2422 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2423 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
2424 .info = snd_hda_spdif_mask_info,
2425 .get = snd_hda_spdif_default_get,
2426 .put = snd_hda_spdif_default_put,
2429 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2430 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
2431 .info = snd_hda_spdif_out_switch_info,
2432 .get = snd_hda_spdif_out_switch_get,
2433 .put = snd_hda_spdif_out_switch_put,
2439 * snd_hda_create_dig_out_ctls - create Output SPDIF-related controls
2440 * @codec: the HDA codec
2441 * @associated_nid: NID that new ctls associated with
2442 * @cvt_nid: converter NID
2443 * @type: HDA_PCM_TYPE_*
2444 * Creates controls related with the digital output.
2445 * Called from each patch supporting the digital out.
2447 * Returns 0 if successful, or a negative error code.
2449 int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
2450 hda_nid_t associated_nid,
2455 struct snd_kcontrol *kctl;
2456 struct snd_kcontrol_new *dig_mix;
2459 const int spdif_index = 16;
2460 struct hda_spdif_out *spdif;
2461 struct hda_bus *bus = codec->bus;
2463 if (bus->primary_dig_out_type == HDA_PCM_TYPE_HDMI &&
2464 type == HDA_PCM_TYPE_SPDIF) {
2466 } else if (bus->primary_dig_out_type == HDA_PCM_TYPE_SPDIF &&
2467 type == HDA_PCM_TYPE_HDMI) {
2468 /* suppose a single SPDIF device */
2469 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2470 kctl = find_mixer_ctl(codec, dig_mix->name, 0, 0);
2473 kctl->id.index = spdif_index;
2475 bus->primary_dig_out_type = HDA_PCM_TYPE_HDMI;
2477 if (!bus->primary_dig_out_type)
2478 bus->primary_dig_out_type = type;
2480 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Playback Switch", idx);
2482 codec_err(codec, "too many IEC958 outputs\n");
2485 spdif = snd_array_new(&codec->spdif_out);
2488 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2489 kctl = snd_ctl_new1(dig_mix, codec);
2492 kctl->id.index = idx;
2493 kctl->private_value = codec->spdif_out.used - 1;
2494 err = snd_hda_ctl_add(codec, associated_nid, kctl);
2498 spdif->nid = cvt_nid;
2499 snd_hdac_regmap_read(&codec->core, cvt_nid,
2500 AC_VERB_GET_DIGI_CONVERT_1, &val);
2502 spdif->status = convert_to_spdif_status(spdif->ctls);
2505 EXPORT_SYMBOL_GPL(snd_hda_create_dig_out_ctls);
2508 * snd_hda_spdif_out_of_nid - get the hda_spdif_out entry from the given NID
2509 * @codec: the HDA codec
2512 * call within spdif_mutex lock
2514 struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
2517 struct hda_spdif_out *spdif;
2520 snd_array_for_each(&codec->spdif_out, i, spdif) {
2521 if (spdif->nid == nid)
2526 EXPORT_SYMBOL_GPL(snd_hda_spdif_out_of_nid);
2529 * snd_hda_spdif_ctls_unassign - Unassign the given SPDIF ctl
2530 * @codec: the HDA codec
2531 * @idx: the SPDIF ctl index
2533 * Unassign the widget from the given SPDIF control.
2535 void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx)
2537 struct hda_spdif_out *spdif;
2539 if (WARN_ON(codec->spdif_out.used <= idx))
2541 mutex_lock(&codec->spdif_mutex);
2542 spdif = snd_array_elem(&codec->spdif_out, idx);
2543 spdif->nid = (u16)-1;
2544 mutex_unlock(&codec->spdif_mutex);
2546 EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_unassign);
2549 * snd_hda_spdif_ctls_assign - Assign the SPDIF controls to the given NID
2550 * @codec: the HDA codec
2551 * @idx: the SPDIF ctl idx
2554 * Assign the widget to the SPDIF control with the given index.
2556 void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid)
2558 struct hda_spdif_out *spdif;
2561 if (WARN_ON(codec->spdif_out.used <= idx))
2563 mutex_lock(&codec->spdif_mutex);
2564 spdif = snd_array_elem(&codec->spdif_out, idx);
2565 if (spdif->nid != nid) {
2568 set_spdif_ctls(codec, nid, val & 0xff, (val >> 8) & 0xff);
2570 mutex_unlock(&codec->spdif_mutex);
2572 EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_assign);
2575 * SPDIF sharing with analog output
2577 static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
2578 struct snd_ctl_elem_value *ucontrol)
2580 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2581 ucontrol->value.integer.value[0] = mout->share_spdif;
2585 static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
2586 struct snd_ctl_elem_value *ucontrol)
2588 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2589 mout->share_spdif = !!ucontrol->value.integer.value[0];
2593 static const struct snd_kcontrol_new spdif_share_sw = {
2594 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2595 .name = "IEC958 Default PCM Playback Switch",
2596 .info = snd_ctl_boolean_mono_info,
2597 .get = spdif_share_sw_get,
2598 .put = spdif_share_sw_put,
2602 * snd_hda_create_spdif_share_sw - create Default PCM switch
2603 * @codec: the HDA codec
2604 * @mout: multi-out instance
2606 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
2607 struct hda_multi_out *mout)
2609 struct snd_kcontrol *kctl;
2611 if (!mout->dig_out_nid)
2614 kctl = snd_ctl_new1(&spdif_share_sw, mout);
2617 /* ATTENTION: here mout is passed as private_data, instead of codec */
2618 return snd_hda_ctl_add(codec, mout->dig_out_nid, kctl);
2620 EXPORT_SYMBOL_GPL(snd_hda_create_spdif_share_sw);
2626 #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
2628 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
2629 struct snd_ctl_elem_value *ucontrol)
2631 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2633 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
2637 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
2638 struct snd_ctl_elem_value *ucontrol)
2640 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2641 hda_nid_t nid = kcontrol->private_value;
2642 unsigned int val = !!ucontrol->value.integer.value[0];
2645 mutex_lock(&codec->spdif_mutex);
2646 change = codec->spdif_in_enable != val;
2648 codec->spdif_in_enable = val;
2649 snd_hdac_regmap_write(&codec->core, nid,
2650 AC_VERB_SET_DIGI_CONVERT_1, val);
2652 mutex_unlock(&codec->spdif_mutex);
2656 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
2657 struct snd_ctl_elem_value *ucontrol)
2659 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2660 hda_nid_t nid = kcontrol->private_value;
2664 snd_hdac_regmap_read(&codec->core, nid,
2665 AC_VERB_GET_DIGI_CONVERT_1, &val);
2666 sbits = convert_to_spdif_status(val);
2667 ucontrol->value.iec958.status[0] = sbits;
2668 ucontrol->value.iec958.status[1] = sbits >> 8;
2669 ucontrol->value.iec958.status[2] = sbits >> 16;
2670 ucontrol->value.iec958.status[3] = sbits >> 24;
2674 static struct snd_kcontrol_new dig_in_ctls[] = {
2676 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2677 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, SWITCH),
2678 .info = snd_hda_spdif_in_switch_info,
2679 .get = snd_hda_spdif_in_switch_get,
2680 .put = snd_hda_spdif_in_switch_put,
2683 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2684 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2685 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
2686 .info = snd_hda_spdif_mask_info,
2687 .get = snd_hda_spdif_in_status_get,
2693 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
2694 * @codec: the HDA codec
2695 * @nid: audio in widget NID
2697 * Creates controls related with the SPDIF input.
2698 * Called from each patch supporting the SPDIF in.
2700 * Returns 0 if successful, or a negative error code.
2702 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
2705 struct snd_kcontrol *kctl;
2706 struct snd_kcontrol_new *dig_mix;
2709 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Capture Switch", 0);
2711 codec_err(codec, "too many IEC958 inputs\n");
2714 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
2715 kctl = snd_ctl_new1(dig_mix, codec);
2718 kctl->private_value = nid;
2719 err = snd_hda_ctl_add(codec, nid, kctl);
2723 codec->spdif_in_enable =
2724 snd_hda_codec_read(codec, nid, 0,
2725 AC_VERB_GET_DIGI_CONVERT_1, 0) &
2729 EXPORT_SYMBOL_GPL(snd_hda_create_spdif_in_ctls);
2732 * snd_hda_codec_set_power_to_all - Set the power state to all widgets
2733 * @codec: the HDA codec
2734 * @fg: function group (not used now)
2735 * @power_state: the power state to set (AC_PWRST_*)
2737 * Set the given power state to all widgets that have the power control.
2738 * If the codec has power_filter set, it evaluates the power state and
2739 * filter out if it's unchanged as D3.
2741 void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
2742 unsigned int power_state)
2746 for_each_hda_codec_node(nid, codec) {
2747 unsigned int wcaps = get_wcaps(codec, nid);
2748 unsigned int state = power_state;
2749 if (!(wcaps & AC_WCAP_POWER))
2751 if (codec->power_filter) {
2752 state = codec->power_filter(codec, nid, power_state);
2753 if (state != power_state && power_state == AC_PWRST_D3)
2756 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
2760 EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_to_all);
2763 * snd_hda_codec_eapd_power_filter - A power filter callback for EAPD
2764 * @codec: the HDA codec
2766 * @power_state: power state to evalue
2768 * Don't power down the widget if it controls eapd and EAPD_BTLENABLE is set.
2769 * This can be used a codec power_filter callback.
2771 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
2773 unsigned int power_state)
2775 if (nid == codec->core.afg || nid == codec->core.mfg)
2777 if (power_state == AC_PWRST_D3 &&
2778 get_wcaps_type(get_wcaps(codec, nid)) == AC_WID_PIN &&
2779 (snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_EAPD)) {
2780 int eapd = snd_hda_codec_read(codec, nid, 0,
2781 AC_VERB_GET_EAPD_BTLENABLE, 0);
2787 EXPORT_SYMBOL_GPL(snd_hda_codec_eapd_power_filter);
2790 * set power state of the codec, and return the power state
2792 static unsigned int hda_set_power_state(struct hda_codec *codec,
2793 unsigned int power_state)
2795 hda_nid_t fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
2800 /* this delay seems necessary to avoid click noise at power-down */
2801 if (power_state == AC_PWRST_D3) {
2802 if (codec->depop_delay < 0)
2803 msleep(codec_has_epss(codec) ? 10 : 100);
2804 else if (codec->depop_delay > 0)
2805 msleep(codec->depop_delay);
2806 flags = HDA_RW_NO_RESPONSE_FALLBACK;
2809 /* repeat power states setting at most 10 times*/
2810 for (count = 0; count < 10; count++) {
2811 if (codec->patch_ops.set_power_state)
2812 codec->patch_ops.set_power_state(codec, fg,
2815 state = power_state;
2816 if (codec->power_filter)
2817 state = codec->power_filter(codec, fg, state);
2818 if (state == power_state || power_state != AC_PWRST_D3)
2819 snd_hda_codec_read(codec, fg, flags,
2820 AC_VERB_SET_POWER_STATE,
2822 snd_hda_codec_set_power_to_all(codec, fg, power_state);
2824 state = snd_hda_sync_power_state(codec, fg, power_state);
2825 if (!(state & AC_PWRST_ERROR))
2832 /* sync power states of all widgets;
2833 * this is called at the end of codec parsing
2835 static void sync_power_up_states(struct hda_codec *codec)
2839 /* don't care if no filter is used */
2840 if (!codec->power_filter)
2843 for_each_hda_codec_node(nid, codec) {
2844 unsigned int wcaps = get_wcaps(codec, nid);
2845 unsigned int target;
2846 if (!(wcaps & AC_WCAP_POWER))
2848 target = codec->power_filter(codec, nid, AC_PWRST_D0);
2849 if (target == AC_PWRST_D0)
2851 if (!snd_hda_check_power_state(codec, nid, target))
2852 snd_hda_codec_write(codec, nid, 0,
2853 AC_VERB_SET_POWER_STATE, target);
2857 #ifdef CONFIG_SND_HDA_RECONFIG
2858 /* execute additional init verbs */
2859 static void hda_exec_init_verbs(struct hda_codec *codec)
2861 if (codec->init_verbs.list)
2862 snd_hda_sequence_write(codec, codec->init_verbs.list);
2865 static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
2869 /* update the power on/off account with the current jiffies */
2870 static void update_power_acct(struct hda_codec *codec, bool on)
2872 unsigned long delta = jiffies - codec->power_jiffies;
2875 codec->power_on_acct += delta;
2877 codec->power_off_acct += delta;
2878 codec->power_jiffies += delta;
2881 void snd_hda_update_power_acct(struct hda_codec *codec)
2883 update_power_acct(codec, hda_codec_is_power_on(codec));
2887 * call suspend and power-down; used both from PM and power-save
2888 * this function returns the power state in the end
2890 static unsigned int hda_call_codec_suspend(struct hda_codec *codec)
2894 snd_hdac_enter_pm(&codec->core);
2895 if (codec->patch_ops.suspend)
2896 codec->patch_ops.suspend(codec);
2897 hda_cleanup_all_streams(codec);
2898 state = hda_set_power_state(codec, AC_PWRST_D3);
2899 update_power_acct(codec, true);
2900 snd_hdac_leave_pm(&codec->core);
2905 * kick up codec; used both from PM and power-save
2907 static void hda_call_codec_resume(struct hda_codec *codec)
2909 snd_hdac_enter_pm(&codec->core);
2910 if (codec->core.regmap)
2911 regcache_mark_dirty(codec->core.regmap);
2913 codec->power_jiffies = jiffies;
2915 hda_set_power_state(codec, AC_PWRST_D0);
2916 restore_shutup_pins(codec);
2917 hda_exec_init_verbs(codec);
2918 snd_hda_jack_set_dirty_all(codec);
2919 if (codec->patch_ops.resume)
2920 codec->patch_ops.resume(codec);
2922 if (codec->patch_ops.init)
2923 codec->patch_ops.init(codec);
2924 snd_hda_regmap_sync(codec);
2927 if (codec->jackpoll_interval)
2928 hda_jackpoll_work(&codec->jackpoll_work.work);
2930 snd_hda_jack_report_sync(codec);
2931 codec->core.dev.power.power_state = PMSG_ON;
2932 snd_hdac_leave_pm(&codec->core);
2935 static int hda_codec_runtime_suspend(struct device *dev)
2937 struct hda_codec *codec = dev_to_hda_codec(dev);
2940 /* Nothing to do if card registration fails and the component driver never probes */
2944 cancel_delayed_work_sync(&codec->jackpoll_work);
2945 state = hda_call_codec_suspend(codec);
2946 if (codec->link_down_at_suspend ||
2947 (codec_has_clkstop(codec) && codec_has_epss(codec) &&
2948 (state & AC_PWRST_CLK_STOP_OK)))
2949 snd_hdac_codec_link_down(&codec->core);
2950 codec_display_power(codec, false);
2954 static int hda_codec_runtime_resume(struct device *dev)
2956 struct hda_codec *codec = dev_to_hda_codec(dev);
2958 /* Nothing to do if card registration fails and the component driver never probes */
2962 codec_display_power(codec, true);
2963 snd_hdac_codec_link_up(&codec->core);
2964 hda_call_codec_resume(codec);
2965 pm_runtime_mark_last_busy(dev);
2968 #endif /* CONFIG_PM */
2970 #ifdef CONFIG_PM_SLEEP
2971 static int hda_codec_force_resume(struct device *dev)
2973 struct hda_codec *codec = dev_to_hda_codec(dev);
2976 ret = pm_runtime_force_resume(dev);
2977 /* schedule jackpoll work for jack detection update */
2978 if (codec->jackpoll_interval ||
2979 (pm_runtime_suspended(dev) && hda_codec_need_resume(codec)))
2980 schedule_delayed_work(&codec->jackpoll_work,
2981 codec->jackpoll_interval);
2985 static int hda_codec_pm_suspend(struct device *dev)
2987 dev->power.power_state = PMSG_SUSPEND;
2988 return pm_runtime_force_suspend(dev);
2991 static int hda_codec_pm_resume(struct device *dev)
2993 dev->power.power_state = PMSG_RESUME;
2994 return hda_codec_force_resume(dev);
2997 static int hda_codec_pm_freeze(struct device *dev)
2999 dev->power.power_state = PMSG_FREEZE;
3000 return pm_runtime_force_suspend(dev);
3003 static int hda_codec_pm_thaw(struct device *dev)
3005 dev->power.power_state = PMSG_THAW;
3006 return hda_codec_force_resume(dev);
3009 static int hda_codec_pm_restore(struct device *dev)
3011 dev->power.power_state = PMSG_RESTORE;
3012 return hda_codec_force_resume(dev);
3014 #endif /* CONFIG_PM_SLEEP */
3016 /* referred in hda_bind.c */
3017 const struct dev_pm_ops hda_codec_driver_pm = {
3018 #ifdef CONFIG_PM_SLEEP
3019 .suspend = hda_codec_pm_suspend,
3020 .resume = hda_codec_pm_resume,
3021 .freeze = hda_codec_pm_freeze,
3022 .thaw = hda_codec_pm_thaw,
3023 .poweroff = hda_codec_pm_suspend,
3024 .restore = hda_codec_pm_restore,
3025 #endif /* CONFIG_PM_SLEEP */
3026 SET_RUNTIME_PM_OPS(hda_codec_runtime_suspend, hda_codec_runtime_resume,
3031 * add standard channel maps if not specified
3033 static int add_std_chmaps(struct hda_codec *codec)
3035 struct hda_pcm *pcm;
3038 list_for_each_entry(pcm, &codec->pcm_list_head, list) {
3039 for (str = 0; str < 2; str++) {
3040 struct hda_pcm_stream *hinfo = &pcm->stream[str];
3041 struct snd_pcm_chmap *chmap;
3042 const struct snd_pcm_chmap_elem *elem;
3044 if (!pcm->pcm || pcm->own_chmap || !hinfo->substreams)
3046 elem = hinfo->chmap ? hinfo->chmap : snd_pcm_std_chmaps;
3047 err = snd_pcm_add_chmap_ctls(pcm->pcm, str, elem,
3048 hinfo->channels_max,
3052 chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
3058 /* default channel maps for 2.1 speakers;
3059 * since HD-audio supports only stereo, odd number channels are omitted
3061 const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[] = {
3063 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
3065 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR,
3066 SNDRV_CHMAP_LFE, SNDRV_CHMAP_LFE } },
3069 EXPORT_SYMBOL_GPL(snd_pcm_2_1_chmaps);
3071 int snd_hda_codec_build_controls(struct hda_codec *codec)
3074 hda_exec_init_verbs(codec);
3075 /* continue to initialize... */
3076 if (codec->patch_ops.init)
3077 err = codec->patch_ops.init(codec);
3078 if (!err && codec->patch_ops.build_controls)
3079 err = codec->patch_ops.build_controls(codec);
3083 /* we create chmaps here instead of build_pcms */
3084 err = add_std_chmaps(codec);
3088 if (codec->jackpoll_interval)
3089 hda_jackpoll_work(&codec->jackpoll_work.work);
3091 snd_hda_jack_report_sync(codec); /* call at the last init point */
3092 sync_power_up_states(codec);
3095 EXPORT_SYMBOL_GPL(snd_hda_codec_build_controls);
3100 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
3101 struct hda_codec *codec,
3102 struct snd_pcm_substream *substream)
3107 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
3108 struct hda_codec *codec,
3109 unsigned int stream_tag,
3110 unsigned int format,
3111 struct snd_pcm_substream *substream)
3113 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
3117 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
3118 struct hda_codec *codec,
3119 struct snd_pcm_substream *substream)
3121 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
3125 static int set_pcm_default_values(struct hda_codec *codec,
3126 struct hda_pcm_stream *info)
3130 /* query support PCM information from the given NID */
3131 if (info->nid && (!info->rates || !info->formats)) {
3132 err = snd_hda_query_supported_pcm(codec, info->nid,
3133 info->rates ? NULL : &info->rates,
3134 info->formats ? NULL : &info->formats,
3135 info->maxbps ? NULL : &info->maxbps);
3139 if (info->ops.open == NULL)
3140 info->ops.open = hda_pcm_default_open_close;
3141 if (info->ops.close == NULL)
3142 info->ops.close = hda_pcm_default_open_close;
3143 if (info->ops.prepare == NULL) {
3144 if (snd_BUG_ON(!info->nid))
3146 info->ops.prepare = hda_pcm_default_prepare;
3148 if (info->ops.cleanup == NULL) {
3149 if (snd_BUG_ON(!info->nid))
3151 info->ops.cleanup = hda_pcm_default_cleanup;
3157 * codec prepare/cleanup entries
3160 * snd_hda_codec_prepare - Prepare a stream
3161 * @codec: the HDA codec
3162 * @hinfo: PCM information
3163 * @stream: stream tag to assign
3164 * @format: format id to assign
3165 * @substream: PCM substream to assign
3167 * Calls the prepare callback set by the codec with the given arguments.
3168 * Clean up the inactive streams when successful.
3170 int snd_hda_codec_prepare(struct hda_codec *codec,
3171 struct hda_pcm_stream *hinfo,
3172 unsigned int stream,
3173 unsigned int format,
3174 struct snd_pcm_substream *substream)
3177 mutex_lock(&codec->bus->prepare_mutex);
3178 if (hinfo->ops.prepare)
3179 ret = hinfo->ops.prepare(hinfo, codec, stream, format,
3184 purify_inactive_streams(codec);
3185 mutex_unlock(&codec->bus->prepare_mutex);
3188 EXPORT_SYMBOL_GPL(snd_hda_codec_prepare);
3191 * snd_hda_codec_cleanup - Prepare a stream
3192 * @codec: the HDA codec
3193 * @hinfo: PCM information
3194 * @substream: PCM substream
3196 * Calls the cleanup callback set by the codec with the given arguments.
3198 void snd_hda_codec_cleanup(struct hda_codec *codec,
3199 struct hda_pcm_stream *hinfo,
3200 struct snd_pcm_substream *substream)
3202 mutex_lock(&codec->bus->prepare_mutex);
3203 if (hinfo->ops.cleanup)
3204 hinfo->ops.cleanup(hinfo, codec, substream);
3205 mutex_unlock(&codec->bus->prepare_mutex);
3207 EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup);
3210 const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = {
3211 "Audio", "SPDIF", "HDMI", "Modem"
3215 * get the empty PCM device number to assign
3217 static int get_empty_pcm_device(struct hda_bus *bus, unsigned int type)
3219 /* audio device indices; not linear to keep compatibility */
3220 /* assigned to static slots up to dev#10; if more needed, assign
3221 * the later slot dynamically (when CONFIG_SND_DYNAMIC_MINORS=y)
3223 static int audio_idx[HDA_PCM_NTYPES][5] = {
3224 [HDA_PCM_TYPE_AUDIO] = { 0, 2, 4, 5, -1 },
3225 [HDA_PCM_TYPE_SPDIF] = { 1, -1 },
3226 [HDA_PCM_TYPE_HDMI] = { 3, 7, 8, 9, -1 },
3227 [HDA_PCM_TYPE_MODEM] = { 6, -1 },
3231 if (type >= HDA_PCM_NTYPES) {
3232 dev_err(bus->card->dev, "Invalid PCM type %d\n", type);
3236 for (i = 0; audio_idx[type][i] >= 0; i++) {
3237 #ifndef CONFIG_SND_DYNAMIC_MINORS
3238 if (audio_idx[type][i] >= 8)
3241 if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits))
3242 return audio_idx[type][i];
3245 #ifdef CONFIG_SND_DYNAMIC_MINORS
3246 /* non-fixed slots starting from 10 */
3247 for (i = 10; i < 32; i++) {
3248 if (!test_and_set_bit(i, bus->pcm_dev_bits))
3253 dev_warn(bus->card->dev, "Too many %s devices\n",
3254 snd_hda_pcm_type_name[type]);
3255 #ifndef CONFIG_SND_DYNAMIC_MINORS
3256 dev_warn(bus->card->dev,
3257 "Consider building the kernel with CONFIG_SND_DYNAMIC_MINORS=y\n");
3262 /* call build_pcms ops of the given codec and set up the default parameters */
3263 int snd_hda_codec_parse_pcms(struct hda_codec *codec)
3265 struct hda_pcm *cpcm;
3268 if (!list_empty(&codec->pcm_list_head))
3269 return 0; /* already parsed */
3271 if (!codec->patch_ops.build_pcms)
3274 err = codec->patch_ops.build_pcms(codec);
3276 codec_err(codec, "cannot build PCMs for #%d (error %d)\n",
3277 codec->core.addr, err);
3281 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3284 for (stream = 0; stream < 2; stream++) {
3285 struct hda_pcm_stream *info = &cpcm->stream[stream];
3287 if (!info->substreams)
3289 err = set_pcm_default_values(codec, info);
3292 "fail to setup default for PCM %s\n",
3301 EXPORT_SYMBOL_GPL(snd_hda_codec_parse_pcms);
3303 /* assign all PCMs of the given codec */
3304 int snd_hda_codec_build_pcms(struct hda_codec *codec)
3306 struct hda_bus *bus = codec->bus;
3307 struct hda_pcm *cpcm;
3310 err = snd_hda_codec_parse_pcms(codec);
3314 /* attach a new PCM streams */
3315 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3317 continue; /* already attached */
3318 if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
3319 continue; /* no substreams assigned */
3321 dev = get_empty_pcm_device(bus, cpcm->pcm_type);
3323 cpcm->device = SNDRV_PCM_INVALID_DEVICE;
3324 continue; /* no fatal error */
3327 err = snd_hda_attach_pcm_stream(bus, codec, cpcm);
3330 "cannot attach PCM stream %d for codec #%d\n",
3331 dev, codec->core.addr);
3332 continue; /* no fatal error */
3340 * snd_hda_add_new_ctls - create controls from the array
3341 * @codec: the HDA codec
3342 * @knew: the array of struct snd_kcontrol_new
3344 * This helper function creates and add new controls in the given array.
3345 * The array must be terminated with an empty entry as terminator.
3347 * Returns 0 if successful, or a negative error code.
3349 int snd_hda_add_new_ctls(struct hda_codec *codec,
3350 const struct snd_kcontrol_new *knew)
3354 for (; knew->name; knew++) {
3355 struct snd_kcontrol *kctl;
3356 int addr = 0, idx = 0;
3357 if (knew->iface == (__force snd_ctl_elem_iface_t)-1)
3358 continue; /* skip this codec private value */
3360 kctl = snd_ctl_new1(knew, codec);
3364 kctl->id.device = addr;
3366 kctl->id.index = idx;
3367 err = snd_hda_ctl_add(codec, 0, kctl);
3370 /* try first with another device index corresponding to
3371 * the codec addr; if it still fails (or it's the
3372 * primary codec), then try another control index
3374 if (!addr && codec->core.addr)
3375 addr = codec->core.addr;
3376 else if (!idx && !knew->index) {
3377 idx = find_empty_mixer_ctl_idx(codec,
3387 EXPORT_SYMBOL_GPL(snd_hda_add_new_ctls);
3390 static void codec_set_power_save(struct hda_codec *codec, int delay)
3392 struct device *dev = hda_codec_dev(codec);
3394 if (delay == 0 && codec->auto_runtime_pm)
3398 pm_runtime_set_autosuspend_delay(dev, delay);
3399 pm_runtime_use_autosuspend(dev);
3400 pm_runtime_allow(dev);
3401 if (!pm_runtime_suspended(dev))
3402 pm_runtime_mark_last_busy(dev);
3404 pm_runtime_dont_use_autosuspend(dev);
3405 pm_runtime_forbid(dev);
3410 * snd_hda_set_power_save - reprogram autosuspend for the given delay
3411 * @bus: HD-audio bus
3412 * @delay: autosuspend delay in msec, 0 = off
3414 * Synchronize the runtime PM autosuspend state from the power_save option.
3416 void snd_hda_set_power_save(struct hda_bus *bus, int delay)
3418 struct hda_codec *c;
3420 list_for_each_codec(c, bus)
3421 codec_set_power_save(c, delay);
3423 EXPORT_SYMBOL_GPL(snd_hda_set_power_save);
3426 * snd_hda_check_amp_list_power - Check the amp list and update the power
3427 * @codec: HD-audio codec
3428 * @check: the object containing an AMP list and the status
3429 * @nid: NID to check / update
3431 * Check whether the given NID is in the amp list. If it's in the list,
3432 * check the current AMP status, and update the power-status according
3433 * to the mute status.
3435 * This function is supposed to be set or called from the check_power_status
3438 int snd_hda_check_amp_list_power(struct hda_codec *codec,
3439 struct hda_loopback_check *check,
3442 const struct hda_amp_list *p;
3445 if (!check->amplist)
3447 for (p = check->amplist; p->nid; p++) {
3452 return 0; /* nothing changed */
3454 for (p = check->amplist; p->nid; p++) {
3455 for (ch = 0; ch < 2; ch++) {
3456 v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
3458 if (!(v & HDA_AMP_MUTE) && v > 0) {
3459 if (!check->power_on) {
3460 check->power_on = 1;
3461 snd_hda_power_up_pm(codec);
3467 if (check->power_on) {
3468 check->power_on = 0;
3469 snd_hda_power_down_pm(codec);
3473 EXPORT_SYMBOL_GPL(snd_hda_check_amp_list_power);
3481 * snd_hda_input_mux_info_info - Info callback helper for the input-mux enum
3482 * @imux: imux helper object
3483 * @uinfo: pointer to get/store the data
3485 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
3486 struct snd_ctl_elem_info *uinfo)
3490 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
3492 uinfo->value.enumerated.items = imux->num_items;
3493 if (!imux->num_items)
3495 index = uinfo->value.enumerated.item;
3496 if (index >= imux->num_items)
3497 index = imux->num_items - 1;
3498 strcpy(uinfo->value.enumerated.name, imux->items[index].label);
3501 EXPORT_SYMBOL_GPL(snd_hda_input_mux_info);
3504 * snd_hda_input_mux_info_put - Put callback helper for the input-mux enum
3505 * @codec: the HDA codec
3506 * @imux: imux helper object
3507 * @ucontrol: pointer to get/store the data
3508 * @nid: input mux NID
3509 * @cur_val: pointer to get/store the current imux value
3511 int snd_hda_input_mux_put(struct hda_codec *codec,
3512 const struct hda_input_mux *imux,
3513 struct snd_ctl_elem_value *ucontrol,
3515 unsigned int *cur_val)
3519 if (!imux->num_items)
3521 idx = ucontrol->value.enumerated.item[0];
3522 if (idx >= imux->num_items)
3523 idx = imux->num_items - 1;
3524 if (*cur_val == idx)
3526 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
3527 imux->items[idx].index);
3531 EXPORT_SYMBOL_GPL(snd_hda_input_mux_put);
3535 * snd_hda_enum_helper_info - Helper for simple enum ctls
3536 * @kcontrol: ctl element
3537 * @uinfo: pointer to get/store the data
3538 * @num_items: number of enum items
3539 * @texts: enum item string array
3541 * process kcontrol info callback of a simple string enum array
3542 * when @num_items is 0 or @texts is NULL, assume a boolean enum array
3544 int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
3545 struct snd_ctl_elem_info *uinfo,
3546 int num_items, const char * const *texts)
3548 static const char * const texts_default[] = {
3549 "Disabled", "Enabled"
3552 if (!texts || !num_items) {
3554 texts = texts_default;
3557 return snd_ctl_enum_info(uinfo, 1, num_items, texts);
3559 EXPORT_SYMBOL_GPL(snd_hda_enum_helper_info);
3562 * Multi-channel / digital-out PCM helper functions
3565 /* setup SPDIF output stream */
3566 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
3567 unsigned int stream_tag, unsigned int format)
3569 struct hda_spdif_out *spdif;
3570 unsigned int curr_fmt;
3573 spdif = snd_hda_spdif_out_of_nid(codec, nid);
3574 /* Add sanity check to pass klockwork check.
3575 * This should never happen.
3577 if (WARN_ON(spdif == NULL))
3580 curr_fmt = snd_hda_codec_read(codec, nid, 0,
3581 AC_VERB_GET_STREAM_FORMAT, 0);
3582 reset = codec->spdif_status_reset &&
3583 (spdif->ctls & AC_DIG1_ENABLE) &&
3586 /* turn off SPDIF if needed; otherwise the IEC958 bits won't be
3589 set_dig_out_convert(codec, nid,
3590 spdif->ctls & ~AC_DIG1_ENABLE & 0xff,
3592 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
3593 if (codec->slave_dig_outs) {
3595 for (d = codec->slave_dig_outs; *d; d++)
3596 snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
3599 /* turn on again (if needed) */
3601 set_dig_out_convert(codec, nid,
3602 spdif->ctls & 0xff, -1);
3605 static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
3607 snd_hda_codec_cleanup_stream(codec, nid);
3608 if (codec->slave_dig_outs) {
3610 for (d = codec->slave_dig_outs; *d; d++)
3611 snd_hda_codec_cleanup_stream(codec, *d);
3616 * snd_hda_multi_out_dig_open - open the digital out in the exclusive mode
3617 * @codec: the HDA codec
3618 * @mout: hda_multi_out object
3620 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
3621 struct hda_multi_out *mout)
3623 mutex_lock(&codec->spdif_mutex);
3624 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
3625 /* already opened as analog dup; reset it once */
3626 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3627 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
3628 mutex_unlock(&codec->spdif_mutex);
3631 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_open);
3634 * snd_hda_multi_out_dig_prepare - prepare the digital out stream
3635 * @codec: the HDA codec
3636 * @mout: hda_multi_out object
3637 * @stream_tag: stream tag to assign
3638 * @format: format id to assign
3639 * @substream: PCM substream to assign
3641 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
3642 struct hda_multi_out *mout,
3643 unsigned int stream_tag,
3644 unsigned int format,
3645 struct snd_pcm_substream *substream)
3647 mutex_lock(&codec->spdif_mutex);
3648 setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
3649 mutex_unlock(&codec->spdif_mutex);
3652 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_prepare);
3655 * snd_hda_multi_out_dig_cleanup - clean-up the digital out stream
3656 * @codec: the HDA codec
3657 * @mout: hda_multi_out object
3659 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
3660 struct hda_multi_out *mout)
3662 mutex_lock(&codec->spdif_mutex);
3663 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3664 mutex_unlock(&codec->spdif_mutex);
3667 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_cleanup);
3670 * snd_hda_multi_out_dig_close - release the digital out stream
3671 * @codec: the HDA codec
3672 * @mout: hda_multi_out object
3674 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
3675 struct hda_multi_out *mout)
3677 mutex_lock(&codec->spdif_mutex);
3678 mout->dig_out_used = 0;
3679 mutex_unlock(&codec->spdif_mutex);
3682 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_close);
3685 * snd_hda_multi_out_analog_open - open analog outputs
3686 * @codec: the HDA codec
3687 * @mout: hda_multi_out object
3688 * @substream: PCM substream to assign
3689 * @hinfo: PCM information to assign
3691 * Open analog outputs and set up the hw-constraints.
3692 * If the digital outputs can be opened as slave, open the digital
3695 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
3696 struct hda_multi_out *mout,
3697 struct snd_pcm_substream *substream,
3698 struct hda_pcm_stream *hinfo)
3700 struct snd_pcm_runtime *runtime = substream->runtime;
3701 runtime->hw.channels_max = mout->max_channels;
3702 if (mout->dig_out_nid) {
3703 if (!mout->analog_rates) {
3704 mout->analog_rates = hinfo->rates;
3705 mout->analog_formats = hinfo->formats;
3706 mout->analog_maxbps = hinfo->maxbps;
3708 runtime->hw.rates = mout->analog_rates;
3709 runtime->hw.formats = mout->analog_formats;
3710 hinfo->maxbps = mout->analog_maxbps;
3712 if (!mout->spdif_rates) {
3713 snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
3715 &mout->spdif_formats,
3716 &mout->spdif_maxbps);
3718 mutex_lock(&codec->spdif_mutex);
3719 if (mout->share_spdif) {
3720 if ((runtime->hw.rates & mout->spdif_rates) &&
3721 (runtime->hw.formats & mout->spdif_formats)) {
3722 runtime->hw.rates &= mout->spdif_rates;
3723 runtime->hw.formats &= mout->spdif_formats;
3724 if (mout->spdif_maxbps < hinfo->maxbps)
3725 hinfo->maxbps = mout->spdif_maxbps;
3727 mout->share_spdif = 0;
3728 /* FIXME: need notify? */
3731 mutex_unlock(&codec->spdif_mutex);
3733 return snd_pcm_hw_constraint_step(substream->runtime, 0,
3734 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
3736 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_open);
3739 * snd_hda_multi_out_analog_prepare - Preapre the analog outputs.
3740 * @codec: the HDA codec
3741 * @mout: hda_multi_out object
3742 * @stream_tag: stream tag to assign
3743 * @format: format id to assign
3744 * @substream: PCM substream to assign
3746 * Set up the i/o for analog out.
3747 * When the digital out is available, copy the front out to digital out, too.
3749 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
3750 struct hda_multi_out *mout,
3751 unsigned int stream_tag,
3752 unsigned int format,
3753 struct snd_pcm_substream *substream)
3755 const hda_nid_t *nids = mout->dac_nids;
3756 int chs = substream->runtime->channels;
3757 struct hda_spdif_out *spdif;
3760 mutex_lock(&codec->spdif_mutex);
3761 spdif = snd_hda_spdif_out_of_nid(codec, mout->dig_out_nid);
3762 if (mout->dig_out_nid && mout->share_spdif &&
3763 mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
3764 if (chs == 2 && spdif != NULL &&
3765 snd_hda_is_supported_format(codec, mout->dig_out_nid,
3767 !(spdif->status & IEC958_AES0_NONAUDIO)) {
3768 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
3769 setup_dig_out_stream(codec, mout->dig_out_nid,
3770 stream_tag, format);
3772 mout->dig_out_used = 0;
3773 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3776 mutex_unlock(&codec->spdif_mutex);
3779 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
3781 if (!mout->no_share_stream &&
3782 mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
3783 /* headphone out will just decode front left/right (stereo) */
3784 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
3786 /* extra outputs copied from front */
3787 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3788 if (!mout->no_share_stream && mout->hp_out_nid[i])
3789 snd_hda_codec_setup_stream(codec,
3790 mout->hp_out_nid[i],
3791 stream_tag, 0, format);
3794 for (i = 1; i < mout->num_dacs; i++) {
3795 if (chs >= (i + 1) * 2) /* independent out */
3796 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3798 else if (!mout->no_share_stream) /* copy front */
3799 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3803 /* extra surrounds */
3804 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) {
3806 if (!mout->extra_out_nid[i])
3808 if (chs >= (i + 1) * 2)
3810 else if (!mout->no_share_stream)
3812 snd_hda_codec_setup_stream(codec, mout->extra_out_nid[i],
3813 stream_tag, ch, format);
3818 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_prepare);
3821 * snd_hda_multi_out_analog_cleanup - clean up the setting for analog out
3822 * @codec: the HDA codec
3823 * @mout: hda_multi_out object
3825 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
3826 struct hda_multi_out *mout)
3828 const hda_nid_t *nids = mout->dac_nids;
3831 for (i = 0; i < mout->num_dacs; i++)
3832 snd_hda_codec_cleanup_stream(codec, nids[i]);
3834 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
3835 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3836 if (mout->hp_out_nid[i])
3837 snd_hda_codec_cleanup_stream(codec,
3838 mout->hp_out_nid[i]);
3839 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
3840 if (mout->extra_out_nid[i])
3841 snd_hda_codec_cleanup_stream(codec,
3842 mout->extra_out_nid[i]);
3843 mutex_lock(&codec->spdif_mutex);
3844 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
3845 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3846 mout->dig_out_used = 0;
3848 mutex_unlock(&codec->spdif_mutex);
3851 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_cleanup);
3854 * snd_hda_get_default_vref - Get the default (mic) VREF pin bits
3855 * @codec: the HDA codec
3856 * @pin: referred pin NID
3858 * Guess the suitable VREF pin bits to be set as the pin-control value.
3859 * Note: the function doesn't set the AC_PINCTL_IN_EN bit.
3861 unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin)
3863 unsigned int pincap;
3864 unsigned int oldval;
3865 oldval = snd_hda_codec_read(codec, pin, 0,
3866 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
3867 pincap = snd_hda_query_pin_caps(codec, pin);
3868 pincap = (pincap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3869 /* Exception: if the default pin setup is vref50, we give it priority */
3870 if ((pincap & AC_PINCAP_VREF_80) && oldval != PIN_VREF50)
3871 return AC_PINCTL_VREF_80;
3872 else if (pincap & AC_PINCAP_VREF_50)
3873 return AC_PINCTL_VREF_50;
3874 else if (pincap & AC_PINCAP_VREF_100)
3875 return AC_PINCTL_VREF_100;
3876 else if (pincap & AC_PINCAP_VREF_GRD)
3877 return AC_PINCTL_VREF_GRD;
3878 return AC_PINCTL_VREF_HIZ;
3880 EXPORT_SYMBOL_GPL(snd_hda_get_default_vref);
3883 * snd_hda_correct_pin_ctl - correct the pin ctl value for matching with the pin cap
3884 * @codec: the HDA codec
3885 * @pin: referred pin NID
3886 * @val: pin ctl value to audit
3888 unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
3889 hda_nid_t pin, unsigned int val)
3891 static unsigned int cap_lists[][2] = {
3892 { AC_PINCTL_VREF_100, AC_PINCAP_VREF_100 },
3893 { AC_PINCTL_VREF_80, AC_PINCAP_VREF_80 },
3894 { AC_PINCTL_VREF_50, AC_PINCAP_VREF_50 },
3895 { AC_PINCTL_VREF_GRD, AC_PINCAP_VREF_GRD },
3901 cap = snd_hda_query_pin_caps(codec, pin);
3903 return val; /* don't know what to do... */
3905 if (val & AC_PINCTL_OUT_EN) {
3906 if (!(cap & AC_PINCAP_OUT))
3907 val &= ~(AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN);
3908 else if ((val & AC_PINCTL_HP_EN) && !(cap & AC_PINCAP_HP_DRV))
3909 val &= ~AC_PINCTL_HP_EN;
3912 if (val & AC_PINCTL_IN_EN) {
3913 if (!(cap & AC_PINCAP_IN))
3914 val &= ~(AC_PINCTL_IN_EN | AC_PINCTL_VREFEN);
3916 unsigned int vcap, vref;
3918 vcap = (cap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3919 vref = val & AC_PINCTL_VREFEN;
3920 for (i = 0; i < ARRAY_SIZE(cap_lists); i++) {
3921 if (vref == cap_lists[i][0] &&
3922 !(vcap & cap_lists[i][1])) {
3923 if (i == ARRAY_SIZE(cap_lists) - 1)
3924 vref = AC_PINCTL_VREF_HIZ;
3926 vref = cap_lists[i + 1][0];
3929 val &= ~AC_PINCTL_VREFEN;
3936 EXPORT_SYMBOL_GPL(snd_hda_correct_pin_ctl);
3939 * _snd_hda_pin_ctl - Helper to set pin ctl value
3940 * @codec: the HDA codec
3941 * @pin: referred pin NID
3942 * @val: pin control value to set
3943 * @cached: access over codec pinctl cache or direct write
3945 * This function is a helper to set a pin ctl value more safely.
3946 * It corrects the pin ctl value via snd_hda_correct_pin_ctl(), stores the
3947 * value in pin target array via snd_hda_codec_set_pin_target(), then
3948 * actually writes the value via either snd_hda_codec_write_cache() or
3949 * snd_hda_codec_write() depending on @cached flag.
3951 int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
3952 unsigned int val, bool cached)
3954 val = snd_hda_correct_pin_ctl(codec, pin, val);
3955 snd_hda_codec_set_pin_target(codec, pin, val);
3957 return snd_hda_codec_write_cache(codec, pin, 0,
3958 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3960 return snd_hda_codec_write(codec, pin, 0,
3961 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3963 EXPORT_SYMBOL_GPL(_snd_hda_set_pin_ctl);
3966 * snd_hda_add_imux_item - Add an item to input_mux
3967 * @codec: the HDA codec
3968 * @imux: imux helper object
3969 * @label: the name of imux item to assign
3970 * @index: index number of imux item to assign
3971 * @type_idx: pointer to store the resultant label index
3973 * When the same label is used already in the existing items, the number
3974 * suffix is appended to the label. This label index number is stored
3975 * to type_idx when non-NULL pointer is given.
3977 int snd_hda_add_imux_item(struct hda_codec *codec,
3978 struct hda_input_mux *imux, const char *label,
3979 int index, int *type_idx)
3981 int i, label_idx = 0;
3982 if (imux->num_items >= HDA_MAX_NUM_INPUTS) {
3983 codec_err(codec, "hda_codec: Too many imux items!\n");
3986 for (i = 0; i < imux->num_items; i++) {
3987 if (!strncmp(label, imux->items[i].label, strlen(label)))
3991 *type_idx = label_idx;
3993 snprintf(imux->items[imux->num_items].label,
3994 sizeof(imux->items[imux->num_items].label),
3995 "%s %d", label, label_idx);
3997 strlcpy(imux->items[imux->num_items].label, label,
3998 sizeof(imux->items[imux->num_items].label));
3999 imux->items[imux->num_items].index = index;
4003 EXPORT_SYMBOL_GPL(snd_hda_add_imux_item);
4006 * snd_hda_bus_reset_codecs - Reset the bus
4007 * @bus: HD-audio bus
4009 void snd_hda_bus_reset_codecs(struct hda_bus *bus)
4011 struct hda_codec *codec;
4013 list_for_each_codec(codec, bus) {
4014 /* FIXME: maybe a better way needed for forced reset */
4015 if (current_work() != &codec->jackpoll_work.work)
4016 cancel_delayed_work_sync(&codec->jackpoll_work);
4018 if (hda_codec_is_power_on(codec)) {
4019 hda_call_codec_suspend(codec);
4020 hda_call_codec_resume(codec);
4027 * snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer
4028 * @pcm: PCM caps bits
4029 * @buf: the string buffer to write
4030 * @buflen: the max buffer length
4032 * used by hda_proc.c and hda_eld.c
4034 void snd_print_pcm_bits(int pcm, char *buf, int buflen)
4036 static unsigned int bits[] = { 8, 16, 20, 24, 32 };
4039 for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++)
4040 if (pcm & (AC_SUPPCM_BITS_8 << i))
4041 j += scnprintf(buf + j, buflen - j, " %d", bits[i]);
4043 buf[j] = '\0'; /* necessary when j == 0 */
4045 EXPORT_SYMBOL_GPL(snd_print_pcm_bits);
4047 MODULE_DESCRIPTION("HDA codec core");
4048 MODULE_LICENSE("GPL");