1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Universal Interface for Intel High Definition Audio Codec
5 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
8 #include <linux/init.h>
9 #include <linux/delay.h>
10 #include <linux/slab.h>
11 #include <linux/mutex.h>
12 #include <linux/module.h>
14 #include <linux/pm_runtime.h>
15 #include <sound/core.h>
16 #include <sound/hda_codec.h>
17 #include <sound/asoundef.h>
18 #include <sound/tlv.h>
19 #include <sound/initval.h>
20 #include <sound/jack.h>
21 #include "hda_local.h"
24 #include <sound/hda_hwdep.h>
25 #include <sound/hda_component.h>
27 #define codec_in_pm(codec) snd_hdac_is_in_pm(&codec->core)
28 #define hda_codec_is_power_on(codec) snd_hdac_is_power_on(&codec->core)
29 #define codec_has_epss(codec) \
30 ((codec)->core.power_caps & AC_PWRST_EPSS)
31 #define codec_has_clkstop(codec) \
32 ((codec)->core.power_caps & AC_PWRST_CLKSTOP)
35 * Send and receive a verb - passed to exec_verb override for hdac_device
37 static int codec_exec_verb(struct hdac_device *dev, unsigned int cmd,
38 unsigned int flags, unsigned int *res)
40 struct hda_codec *codec = container_of(dev, struct hda_codec, core);
41 struct hda_bus *bus = codec->bus;
48 snd_hda_power_up_pm(codec);
49 mutex_lock(&bus->core.cmd_mutex);
50 if (flags & HDA_RW_NO_RESPONSE_FALLBACK)
51 bus->no_response_fallback = 1;
52 err = snd_hdac_bus_exec_verb_unlocked(&bus->core, codec->core.addr,
54 bus->no_response_fallback = 0;
55 mutex_unlock(&bus->core.cmd_mutex);
56 snd_hda_power_down_pm(codec);
57 if (!codec_in_pm(codec) && res && err == -EAGAIN) {
58 if (bus->response_reset) {
60 "resetting BUS due to fatal communication error\n");
61 snd_hda_bus_reset(bus);
65 /* clear reset-flag when the communication gets recovered */
66 if (!err || codec_in_pm(codec))
67 bus->response_reset = 0;
72 * snd_hda_sequence_write - sequence writes
73 * @codec: the HDA codec
74 * @seq: VERB array to send
76 * Send the commands sequentially from the given array.
77 * The array must be terminated with NID=0.
79 void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
81 for (; seq->nid; seq++)
82 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
84 EXPORT_SYMBOL_GPL(snd_hda_sequence_write);
86 /* connection list element */
87 struct hda_conn_list {
88 struct list_head list;
94 /* look up the cached results */
95 static struct hda_conn_list *
96 lookup_conn_list(struct hda_codec *codec, hda_nid_t nid)
98 struct hda_conn_list *p;
99 list_for_each_entry(p, &codec->conn_list, list) {
106 static int add_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
107 const hda_nid_t *list)
109 struct hda_conn_list *p;
111 p = kmalloc(struct_size(p, conns, len), GFP_KERNEL);
116 memcpy(p->conns, list, len * sizeof(hda_nid_t));
117 list_add(&p->list, &codec->conn_list);
121 static void remove_conn_list(struct hda_codec *codec)
123 while (!list_empty(&codec->conn_list)) {
124 struct hda_conn_list *p;
125 p = list_first_entry(&codec->conn_list, typeof(*p), list);
131 /* read the connection and add to the cache */
132 static int read_and_add_raw_conns(struct hda_codec *codec, hda_nid_t nid)
135 hda_nid_t *result = list;
138 len = snd_hda_get_raw_connections(codec, nid, list, ARRAY_SIZE(list));
139 if (len == -ENOSPC) {
140 len = snd_hda_get_num_raw_conns(codec, nid);
141 result = kmalloc_array(len, sizeof(hda_nid_t), GFP_KERNEL);
144 len = snd_hda_get_raw_connections(codec, nid, result, len);
147 len = snd_hda_override_conn_list(codec, nid, len, result);
154 * snd_hda_get_conn_list - get connection list
155 * @codec: the HDA codec
157 * @listp: the pointer to store NID list
159 * Parses the connection list of the given widget and stores the pointer
160 * to the list of NIDs.
162 * Returns the number of connections, or a negative error code.
164 * Note that the returned pointer isn't protected against the list
165 * modification. If snd_hda_override_conn_list() might be called
166 * concurrently, protect with a mutex appropriately.
168 int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
169 const hda_nid_t **listp)
175 const struct hda_conn_list *p;
177 /* if the connection-list is already cached, read it */
178 p = lookup_conn_list(codec, nid);
184 if (snd_BUG_ON(added))
187 err = read_and_add_raw_conns(codec, nid);
193 EXPORT_SYMBOL_GPL(snd_hda_get_conn_list);
196 * snd_hda_get_connections - copy connection list
197 * @codec: the HDA codec
199 * @conn_list: connection list array; when NULL, checks only the size
200 * @max_conns: max. number of connections to store
202 * Parses the connection list of the given widget and stores the list
205 * Returns the number of connections, or a negative error code.
207 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
208 hda_nid_t *conn_list, int max_conns)
210 const hda_nid_t *list;
211 int len = snd_hda_get_conn_list(codec, nid, &list);
213 if (len > 0 && conn_list) {
214 if (len > max_conns) {
215 codec_err(codec, "Too many connections %d for NID 0x%x\n",
219 memcpy(conn_list, list, len * sizeof(hda_nid_t));
224 EXPORT_SYMBOL_GPL(snd_hda_get_connections);
227 * snd_hda_override_conn_list - add/modify the connection-list to cache
228 * @codec: the HDA codec
230 * @len: number of connection list entries
231 * @list: the list of connection entries
233 * Add or modify the given connection-list to the cache. If the corresponding
234 * cache already exists, invalidate it and append a new one.
236 * Returns zero or a negative error code.
238 int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
239 const hda_nid_t *list)
241 struct hda_conn_list *p;
243 p = lookup_conn_list(codec, nid);
249 return add_conn_list(codec, nid, len, list);
251 EXPORT_SYMBOL_GPL(snd_hda_override_conn_list);
254 * snd_hda_get_conn_index - get the connection index of the given NID
255 * @codec: the HDA codec
256 * @mux: NID containing the list
257 * @nid: NID to select
258 * @recursive: 1 when searching NID recursively, otherwise 0
260 * Parses the connection list of the widget @mux and checks whether the
261 * widget @nid is present. If it is, return the connection index.
262 * Otherwise it returns -1.
264 int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
265 hda_nid_t nid, int recursive)
267 const hda_nid_t *conn;
270 nums = snd_hda_get_conn_list(codec, mux, &conn);
271 for (i = 0; i < nums; i++)
276 if (recursive > 10) {
277 codec_dbg(codec, "too deep connection for 0x%x\n", nid);
281 for (i = 0; i < nums; i++) {
282 unsigned int type = get_wcaps_type(get_wcaps(codec, conn[i]));
283 if (type == AC_WID_PIN || type == AC_WID_AUD_OUT)
285 if (snd_hda_get_conn_index(codec, conn[i], nid, recursive) >= 0)
290 EXPORT_SYMBOL_GPL(snd_hda_get_conn_index);
293 * snd_hda_get_num_devices - get DEVLIST_LEN parameter of the given widget
294 * @codec: the HDA codec
295 * @nid: NID of the pin to parse
297 * Get the device entry number on the given widget. This is a feature of
298 * DP MST audio. Each pin can have several device entries in it.
300 unsigned int snd_hda_get_num_devices(struct hda_codec *codec, hda_nid_t nid)
302 unsigned int wcaps = get_wcaps(codec, nid);
305 if (!codec->dp_mst || !(wcaps & AC_WCAP_DIGITAL) ||
306 get_wcaps_type(wcaps) != AC_WID_PIN)
309 parm = snd_hdac_read_parm_uncached(&codec->core, nid, AC_PAR_DEVLIST_LEN);
312 return parm & AC_DEV_LIST_LEN_MASK;
314 EXPORT_SYMBOL_GPL(snd_hda_get_num_devices);
317 * snd_hda_get_devices - copy device list without cache
318 * @codec: the HDA codec
319 * @nid: NID of the pin to parse
320 * @dev_list: device list array
321 * @max_devices: max. number of devices to store
323 * Copy the device list. This info is dynamic and so not cached.
324 * Currently called only from hda_proc.c, so not exported.
326 int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid,
327 u8 *dev_list, int max_devices)
330 int i, dev_len, devices;
332 parm = snd_hda_get_num_devices(codec, nid);
333 if (!parm) /* not multi-stream capable */
337 dev_len = dev_len < max_devices ? dev_len : max_devices;
340 while (devices < dev_len) {
341 if (snd_hdac_read(&codec->core, nid,
342 AC_VERB_GET_DEVICE_LIST, devices, &parm))
345 for (i = 0; i < 8; i++) {
346 dev_list[devices] = (u8)parm;
349 if (devices >= dev_len)
357 * snd_hda_get_dev_select - get device entry select on the pin
358 * @codec: the HDA codec
359 * @nid: NID of the pin to get device entry select
361 * Get the devcie entry select on the pin. Return the device entry
362 * id selected on the pin. Return 0 means the first device entry
363 * is selected or MST is not supported.
365 int snd_hda_get_dev_select(struct hda_codec *codec, hda_nid_t nid)
367 /* not support dp_mst will always return 0, using first dev_entry */
371 return snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DEVICE_SEL, 0);
373 EXPORT_SYMBOL_GPL(snd_hda_get_dev_select);
376 * snd_hda_set_dev_select - set device entry select on the pin
377 * @codec: the HDA codec
378 * @nid: NID of the pin to set device entry select
379 * @dev_id: device entry id to be set
381 * Set the device entry select on the pin nid.
383 int snd_hda_set_dev_select(struct hda_codec *codec, hda_nid_t nid, int dev_id)
385 int ret, num_devices;
387 /* not support dp_mst will always return 0, using first dev_entry */
391 /* AC_PAR_DEVLIST_LEN is 0 based. */
392 num_devices = snd_hda_get_num_devices(codec, nid) + 1;
393 /* If Device List Length is 0 (num_device = 1),
394 * the pin is not multi stream capable.
395 * Do nothing in this case.
397 if (num_devices == 1)
400 /* Behavior of setting index being equal to or greater than
401 * Device List Length is not predictable
403 if (num_devices <= dev_id)
406 ret = snd_hda_codec_write(codec, nid, 0,
407 AC_VERB_SET_DEVICE_SEL, dev_id);
411 EXPORT_SYMBOL_GPL(snd_hda_set_dev_select);
414 * read widget caps for each widget and store in cache
416 static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
421 codec->wcaps = kmalloc_array(codec->core.num_nodes, 4, GFP_KERNEL);
424 nid = codec->core.start_nid;
425 for (i = 0; i < codec->core.num_nodes; i++, nid++)
426 codec->wcaps[i] = snd_hdac_read_parm_uncached(&codec->core,
427 nid, AC_PAR_AUDIO_WIDGET_CAP);
431 /* read all pin default configurations and save codec->init_pins */
432 static int read_pin_defaults(struct hda_codec *codec)
436 for_each_hda_codec_node(nid, codec) {
437 struct hda_pincfg *pin;
438 unsigned int wcaps = get_wcaps(codec, nid);
439 unsigned int wid_type = get_wcaps_type(wcaps);
440 if (wid_type != AC_WID_PIN)
442 pin = snd_array_new(&codec->init_pins);
446 pin->cfg = snd_hda_codec_read(codec, nid, 0,
447 AC_VERB_GET_CONFIG_DEFAULT, 0);
449 * all device entries are the same widget control so far
450 * fixme: if any codec is different, need fix here
452 pin->ctrl = snd_hda_codec_read(codec, nid, 0,
453 AC_VERB_GET_PIN_WIDGET_CONTROL,
459 /* look up the given pin config list and return the item matching with NID */
460 static struct hda_pincfg *look_up_pincfg(struct hda_codec *codec,
461 struct snd_array *array,
464 struct hda_pincfg *pin;
467 snd_array_for_each(array, i, pin) {
474 /* set the current pin config value for the given NID.
475 * the value is cached, and read via snd_hda_codec_get_pincfg()
477 int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
478 hda_nid_t nid, unsigned int cfg)
480 struct hda_pincfg *pin;
482 /* the check below may be invalid when pins are added by a fixup
483 * dynamically (e.g. via snd_hda_codec_update_widgets()), so disabled
487 if (get_wcaps_type(get_wcaps(codec, nid)) != AC_WID_PIN)
491 pin = look_up_pincfg(codec, list, nid);
493 pin = snd_array_new(list);
503 * snd_hda_codec_set_pincfg - Override a pin default configuration
504 * @codec: the HDA codec
505 * @nid: NID to set the pin config
506 * @cfg: the pin default config value
508 * Override a pin default configuration value in the cache.
509 * This value can be read by snd_hda_codec_get_pincfg() in a higher
510 * priority than the real hardware value.
512 int snd_hda_codec_set_pincfg(struct hda_codec *codec,
513 hda_nid_t nid, unsigned int cfg)
515 return snd_hda_add_pincfg(codec, &codec->driver_pins, nid, cfg);
517 EXPORT_SYMBOL_GPL(snd_hda_codec_set_pincfg);
520 * snd_hda_codec_get_pincfg - Obtain a pin-default configuration
521 * @codec: the HDA codec
522 * @nid: NID to get the pin config
524 * Get the current pin config value of the given pin NID.
525 * If the pincfg value is cached or overridden via sysfs or driver,
526 * returns the cached value.
528 unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid)
530 struct hda_pincfg *pin;
532 #ifdef CONFIG_SND_HDA_RECONFIG
534 unsigned int cfg = 0;
535 mutex_lock(&codec->user_mutex);
536 pin = look_up_pincfg(codec, &codec->user_pins, nid);
539 mutex_unlock(&codec->user_mutex);
544 pin = look_up_pincfg(codec, &codec->driver_pins, nid);
547 pin = look_up_pincfg(codec, &codec->init_pins, nid);
552 EXPORT_SYMBOL_GPL(snd_hda_codec_get_pincfg);
555 * snd_hda_codec_set_pin_target - remember the current pinctl target value
556 * @codec: the HDA codec
558 * @val: assigned pinctl value
560 * This function stores the given value to a pinctl target value in the
561 * pincfg table. This isn't always as same as the actually written value
562 * but can be referred at any time via snd_hda_codec_get_pin_target().
564 int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid,
567 struct hda_pincfg *pin;
569 pin = look_up_pincfg(codec, &codec->init_pins, nid);
575 EXPORT_SYMBOL_GPL(snd_hda_codec_set_pin_target);
578 * snd_hda_codec_get_pin_target - return the current pinctl target value
579 * @codec: the HDA codec
582 int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid)
584 struct hda_pincfg *pin;
586 pin = look_up_pincfg(codec, &codec->init_pins, nid);
591 EXPORT_SYMBOL_GPL(snd_hda_codec_get_pin_target);
594 * snd_hda_shutup_pins - Shut up all pins
595 * @codec: the HDA codec
597 * Clear all pin controls to shup up before suspend for avoiding click noise.
598 * The controls aren't cached so that they can be resumed properly.
600 void snd_hda_shutup_pins(struct hda_codec *codec)
602 const struct hda_pincfg *pin;
605 /* don't shut up pins when unloading the driver; otherwise it breaks
606 * the default pin setup at the next load of the driver
608 if (codec->bus->shutdown)
610 snd_array_for_each(&codec->init_pins, i, pin) {
611 /* use read here for syncing after issuing each verb */
612 snd_hda_codec_read(codec, pin->nid, 0,
613 AC_VERB_SET_PIN_WIDGET_CONTROL, 0);
615 codec->pins_shutup = 1;
617 EXPORT_SYMBOL_GPL(snd_hda_shutup_pins);
620 /* Restore the pin controls cleared previously via snd_hda_shutup_pins() */
621 static void restore_shutup_pins(struct hda_codec *codec)
623 const struct hda_pincfg *pin;
626 if (!codec->pins_shutup)
628 if (codec->bus->shutdown)
630 snd_array_for_each(&codec->init_pins, i, pin) {
631 snd_hda_codec_write(codec, pin->nid, 0,
632 AC_VERB_SET_PIN_WIDGET_CONTROL,
635 codec->pins_shutup = 0;
639 static void hda_jackpoll_work(struct work_struct *work)
641 struct hda_codec *codec =
642 container_of(work, struct hda_codec, jackpoll_work.work);
644 /* for non-polling trigger: we need nothing if already powered on */
645 if (!codec->jackpoll_interval && snd_hdac_is_power_on(&codec->core))
648 /* the power-up/down sequence triggers the runtime resume */
649 snd_hda_power_up_pm(codec);
650 /* update jacks manually if polling is required, too */
651 if (codec->jackpoll_interval) {
652 snd_hda_jack_set_dirty_all(codec);
653 snd_hda_jack_poll_all(codec);
655 snd_hda_power_down_pm(codec);
657 if (!codec->jackpoll_interval)
660 schedule_delayed_work(&codec->jackpoll_work,
661 codec->jackpoll_interval);
664 /* release all pincfg lists */
665 static void free_init_pincfgs(struct hda_codec *codec)
667 snd_array_free(&codec->driver_pins);
668 #ifdef CONFIG_SND_HDA_RECONFIG
669 snd_array_free(&codec->user_pins);
671 snd_array_free(&codec->init_pins);
675 * audio-converter setup caches
677 struct hda_cvt_setup {
682 unsigned char active; /* cvt is currently used */
683 unsigned char dirty; /* setups should be cleared */
686 /* get or create a cache entry for the given audio converter NID */
687 static struct hda_cvt_setup *
688 get_hda_cvt_setup(struct hda_codec *codec, hda_nid_t nid)
690 struct hda_cvt_setup *p;
693 snd_array_for_each(&codec->cvt_setups, i, p) {
697 p = snd_array_new(&codec->cvt_setups);
706 void snd_hda_codec_pcm_put(struct hda_pcm *pcm)
708 if (refcount_dec_and_test(&pcm->codec->pcm_ref))
709 wake_up(&pcm->codec->remove_sleep);
711 EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_put);
713 struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec,
714 const char *fmt, ...)
719 pcm = kzalloc(sizeof(*pcm), GFP_KERNEL);
725 pcm->name = kvasprintf(GFP_KERNEL, fmt, args);
732 list_add_tail(&pcm->list, &codec->pcm_list_head);
733 refcount_inc(&codec->pcm_ref);
736 EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_new);
741 void snd_hda_codec_disconnect_pcms(struct hda_codec *codec)
745 list_for_each_entry(pcm, &codec->pcm_list_head, list) {
746 if (pcm->disconnected)
749 snd_device_disconnect(codec->card, pcm->pcm);
750 snd_hda_codec_pcm_put(pcm);
751 pcm->disconnected = 1;
755 static void codec_release_pcms(struct hda_codec *codec)
757 struct hda_pcm *pcm, *n;
759 list_for_each_entry_safe(pcm, n, &codec->pcm_list_head, list) {
760 list_del(&pcm->list);
762 snd_device_free(pcm->codec->card, pcm->pcm);
763 clear_bit(pcm->device, pcm->codec->bus->pcm_dev_bits);
770 * snd_hda_codec_cleanup_for_unbind - Prepare codec for removal
771 * @codec: codec device to cleanup
773 void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec)
775 if (codec->registered) {
776 /* pm_runtime_put() is called in snd_hdac_device_exit() */
777 pm_runtime_get_noresume(hda_codec_dev(codec));
778 pm_runtime_disable(hda_codec_dev(codec));
779 codec->registered = 0;
782 snd_hda_codec_disconnect_pcms(codec);
783 cancel_delayed_work_sync(&codec->jackpoll_work);
784 if (!codec->in_freeing)
785 snd_hda_ctls_clear(codec);
786 codec_release_pcms(codec);
787 snd_hda_detach_beep_device(codec);
788 memset(&codec->patch_ops, 0, sizeof(codec->patch_ops));
789 snd_hda_jack_tbl_clear(codec);
790 codec->proc_widget_hook = NULL;
793 /* free only driver_pins so that init_pins + user_pins are restored */
794 snd_array_free(&codec->driver_pins);
795 snd_array_free(&codec->cvt_setups);
796 snd_array_free(&codec->spdif_out);
797 snd_array_free(&codec->verbs);
798 codec->preset = NULL;
799 codec->follower_dig_outs = NULL;
800 codec->spdif_status_reset = 0;
801 snd_array_free(&codec->mixers);
802 snd_array_free(&codec->nids);
803 remove_conn_list(codec);
804 snd_hdac_regmap_exit(&codec->core);
805 codec->configured = 0;
806 refcount_set(&codec->pcm_ref, 1); /* reset refcount */
808 EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup_for_unbind);
810 static unsigned int hda_set_power_state(struct hda_codec *codec,
811 unsigned int power_state);
813 /* enable/disable display power per codec */
814 void snd_hda_codec_display_power(struct hda_codec *codec, bool enable)
816 if (codec->display_power_control)
817 snd_hdac_display_power(&codec->bus->core, codec->addr, enable);
821 * snd_hda_codec_register - Finalize codec initialization
822 * @codec: codec device to register
824 * Also called from hda_bind.c
826 void snd_hda_codec_register(struct hda_codec *codec)
828 if (codec->registered)
830 if (device_is_registered(hda_codec_dev(codec))) {
831 snd_hda_codec_display_power(codec, true);
832 pm_runtime_enable(hda_codec_dev(codec));
833 /* it was powered up in snd_hda_codec_new(), now all done */
834 snd_hda_power_down(codec);
835 codec->registered = 1;
838 EXPORT_SYMBOL_GPL(snd_hda_codec_register);
840 static int snd_hda_codec_dev_register(struct snd_device *device)
842 snd_hda_codec_register(device->device_data);
847 * snd_hda_codec_unregister - Unregister specified codec device
848 * @codec: codec device to unregister
850 void snd_hda_codec_unregister(struct hda_codec *codec)
852 codec->in_freeing = 1;
854 * snd_hda_codec_device_new() is used by legacy HDA and ASoC driver.
855 * We can't unregister ASoC device since it will be unregistered in
856 * snd_hdac_ext_bus_device_remove().
858 if (codec->core.type == HDA_DEV_LEGACY)
859 snd_hdac_device_unregister(&codec->core);
860 snd_hda_codec_display_power(codec, false);
863 * In the case of ASoC HD-audio bus, the device refcount is released in
864 * snd_hdac_ext_bus_device_remove() explicitly.
866 if (codec->core.type == HDA_DEV_LEGACY)
867 put_device(hda_codec_dev(codec));
869 EXPORT_SYMBOL_GPL(snd_hda_codec_unregister);
871 static int snd_hda_codec_dev_free(struct snd_device *device)
873 snd_hda_codec_unregister(device->device_data);
877 static void snd_hda_codec_dev_release(struct device *dev)
879 struct hda_codec *codec = dev_to_hda_codec(dev);
881 free_init_pincfgs(codec);
882 snd_hdac_device_exit(&codec->core);
883 snd_hda_sysfs_clear(codec);
884 kfree(codec->modelname);
888 * In the case of ASoC HD-audio, hda_codec is device managed.
889 * It will be freed when the ASoC device is removed.
891 if (codec->core.type == HDA_DEV_LEGACY)
895 #define DEV_NAME_LEN 31
898 * snd_hda_codec_device_init - allocate HDA codec device
899 * @bus: codec's parent bus
900 * @codec_addr: the codec address on the parent bus
901 * @fmt: format string for the device's name
903 * Returns newly allocated codec device or ERR_PTR() on failure.
906 snd_hda_codec_device_init(struct hda_bus *bus, unsigned int codec_addr,
907 const char *fmt, ...)
910 char name[DEV_NAME_LEN];
911 struct hda_codec *codec;
914 if (snd_BUG_ON(!bus))
915 return ERR_PTR(-EINVAL);
916 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
917 return ERR_PTR(-EINVAL);
919 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
921 return ERR_PTR(-ENOMEM);
923 va_start(vargs, fmt);
924 vsprintf(name, fmt, vargs);
927 err = snd_hdac_device_init(&codec->core, &bus->core, name, codec_addr);
934 codec->core.type = HDA_DEV_LEGACY;
938 EXPORT_SYMBOL_GPL(snd_hda_codec_device_init);
941 * snd_hda_codec_new - create a HDA codec
942 * @bus: the bus to assign
943 * @card: card for this codec
944 * @codec_addr: the codec address
945 * @codecp: the pointer to store the generated codec
947 * Returns 0 if successful, or a negative error code.
949 int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card,
950 unsigned int codec_addr, struct hda_codec **codecp)
952 struct hda_codec *codec;
954 codec = snd_hda_codec_device_init(bus, codec_addr, "hdaudioC%dD%d",
955 card->number, codec_addr);
957 return PTR_ERR(codec);
960 return snd_hda_codec_device_new(bus, card, codec_addr, *codecp, true);
962 EXPORT_SYMBOL_GPL(snd_hda_codec_new);
964 int snd_hda_codec_device_new(struct hda_bus *bus, struct snd_card *card,
965 unsigned int codec_addr, struct hda_codec *codec,
971 static const struct snd_device_ops dev_ops = {
972 .dev_register = snd_hda_codec_dev_register,
973 .dev_free = snd_hda_codec_dev_free,
976 dev_dbg(card->dev, "%s: entry\n", __func__);
978 if (snd_BUG_ON(!bus))
980 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
983 codec->core.dev.release = snd_hda_codec_dev_release;
984 codec->core.exec_verb = codec_exec_verb;
987 codec->addr = codec_addr;
988 mutex_init(&codec->spdif_mutex);
989 mutex_init(&codec->control_mutex);
990 snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 32);
991 snd_array_init(&codec->nids, sizeof(struct hda_nid_item), 32);
992 snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16);
993 snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16);
994 snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8);
995 snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16);
996 snd_array_init(&codec->jacktbl, sizeof(struct hda_jack_tbl), 16);
997 snd_array_init(&codec->verbs, sizeof(struct hda_verb *), 8);
998 INIT_LIST_HEAD(&codec->conn_list);
999 INIT_LIST_HEAD(&codec->pcm_list_head);
1000 refcount_set(&codec->pcm_ref, 1);
1001 init_waitqueue_head(&codec->remove_sleep);
1003 INIT_DELAYED_WORK(&codec->jackpoll_work, hda_jackpoll_work);
1004 codec->depop_delay = -1;
1005 codec->fixup_id = HDA_FIXUP_ID_NOT_SET;
1008 codec->power_jiffies = jiffies;
1011 snd_hda_sysfs_init(codec);
1013 if (codec->bus->modelname) {
1014 codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL);
1015 if (!codec->modelname) {
1021 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
1022 err = read_widget_caps(codec, fg);
1025 err = read_pin_defaults(codec);
1029 /* power-up all before initialization */
1030 hda_set_power_state(codec, AC_PWRST_D0);
1031 codec->core.dev.power.power_state = PMSG_ON;
1033 snd_hda_codec_proc_new(codec);
1035 snd_hda_create_hwdep(codec);
1037 sprintf(component, "HDA:%08x,%08x,%08x", codec->core.vendor_id,
1038 codec->core.subsystem_id, codec->core.revision_id);
1039 snd_component_add(card, component);
1041 if (snddev_managed) {
1042 /* ASoC features component management instead */
1043 err = snd_device_new(card, SNDRV_DEV_CODEC, codec, &dev_ops);
1048 /* PM runtime needs to be enabled later after binding codec */
1049 pm_runtime_forbid(&codec->core.dev);
1054 put_device(hda_codec_dev(codec));
1057 EXPORT_SYMBOL_GPL(snd_hda_codec_device_new);
1060 * snd_hda_codec_update_widgets - Refresh widget caps and pin defaults
1061 * @codec: the HDA codec
1063 * Forcibly refresh the all widget caps and the init pin configurations of
1066 int snd_hda_codec_update_widgets(struct hda_codec *codec)
1071 err = snd_hdac_refresh_widgets(&codec->core);
1075 /* Assume the function group node does not change,
1076 * only the widget nodes may change.
1078 kfree(codec->wcaps);
1079 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
1080 err = read_widget_caps(codec, fg);
1084 snd_array_free(&codec->init_pins);
1085 err = read_pin_defaults(codec);
1089 EXPORT_SYMBOL_GPL(snd_hda_codec_update_widgets);
1091 /* update the stream-id if changed */
1092 static void update_pcm_stream_id(struct hda_codec *codec,
1093 struct hda_cvt_setup *p, hda_nid_t nid,
1094 u32 stream_tag, int channel_id)
1096 unsigned int oldval, newval;
1098 if (p->stream_tag != stream_tag || p->channel_id != channel_id) {
1099 oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
1100 newval = (stream_tag << 4) | channel_id;
1101 if (oldval != newval)
1102 snd_hda_codec_write(codec, nid, 0,
1103 AC_VERB_SET_CHANNEL_STREAMID,
1105 p->stream_tag = stream_tag;
1106 p->channel_id = channel_id;
1110 /* update the format-id if changed */
1111 static void update_pcm_format(struct hda_codec *codec, struct hda_cvt_setup *p,
1112 hda_nid_t nid, int format)
1114 unsigned int oldval;
1116 if (p->format_id != format) {
1117 oldval = snd_hda_codec_read(codec, nid, 0,
1118 AC_VERB_GET_STREAM_FORMAT, 0);
1119 if (oldval != format) {
1121 snd_hda_codec_write(codec, nid, 0,
1122 AC_VERB_SET_STREAM_FORMAT,
1125 p->format_id = format;
1130 * snd_hda_codec_setup_stream - set up the codec for streaming
1131 * @codec: the CODEC to set up
1132 * @nid: the NID to set up
1133 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
1134 * @channel_id: channel id to pass, zero based.
1135 * @format: stream format.
1137 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
1139 int channel_id, int format)
1141 struct hda_codec *c;
1142 struct hda_cvt_setup *p;
1150 "hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
1151 nid, stream_tag, channel_id, format);
1152 p = get_hda_cvt_setup(codec, nid);
1156 if (codec->patch_ops.stream_pm)
1157 codec->patch_ops.stream_pm(codec, nid, true);
1158 if (codec->pcm_format_first)
1159 update_pcm_format(codec, p, nid, format);
1160 update_pcm_stream_id(codec, p, nid, stream_tag, channel_id);
1161 if (!codec->pcm_format_first)
1162 update_pcm_format(codec, p, nid, format);
1167 /* make other inactive cvts with the same stream-tag dirty */
1168 type = get_wcaps_type(get_wcaps(codec, nid));
1169 list_for_each_codec(c, codec->bus) {
1170 snd_array_for_each(&c->cvt_setups, i, p) {
1171 if (!p->active && p->stream_tag == stream_tag &&
1172 get_wcaps_type(get_wcaps(c, p->nid)) == type)
1177 EXPORT_SYMBOL_GPL(snd_hda_codec_setup_stream);
1179 static void really_cleanup_stream(struct hda_codec *codec,
1180 struct hda_cvt_setup *q);
1183 * __snd_hda_codec_cleanup_stream - clean up the codec for closing
1184 * @codec: the CODEC to clean up
1185 * @nid: the NID to clean up
1186 * @do_now: really clean up the stream instead of clearing the active flag
1188 void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
1191 struct hda_cvt_setup *p;
1196 if (codec->no_sticky_stream)
1199 codec_dbg(codec, "hda_codec_cleanup_stream: NID=0x%x\n", nid);
1200 p = get_hda_cvt_setup(codec, nid);
1202 /* here we just clear the active flag when do_now isn't set;
1203 * actual clean-ups will be done later in
1204 * purify_inactive_streams() called from snd_hda_codec_prpapre()
1207 really_cleanup_stream(codec, p);
1212 EXPORT_SYMBOL_GPL(__snd_hda_codec_cleanup_stream);
1214 static void really_cleanup_stream(struct hda_codec *codec,
1215 struct hda_cvt_setup *q)
1217 hda_nid_t nid = q->nid;
1218 if (q->stream_tag || q->channel_id)
1219 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1221 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0
1223 memset(q, 0, sizeof(*q));
1225 if (codec->patch_ops.stream_pm)
1226 codec->patch_ops.stream_pm(codec, nid, false);
1229 /* clean up the all conflicting obsolete streams */
1230 static void purify_inactive_streams(struct hda_codec *codec)
1232 struct hda_codec *c;
1233 struct hda_cvt_setup *p;
1236 list_for_each_codec(c, codec->bus) {
1237 snd_array_for_each(&c->cvt_setups, i, p) {
1239 really_cleanup_stream(c, p);
1245 /* clean up all streams; called from suspend */
1246 static void hda_cleanup_all_streams(struct hda_codec *codec)
1248 struct hda_cvt_setup *p;
1251 snd_array_for_each(&codec->cvt_setups, i, p) {
1253 really_cleanup_stream(codec, p);
1259 * amp access functions
1263 * query_amp_caps - query AMP capabilities
1264 * @codec: the HD-auio codec
1265 * @nid: the NID to query
1266 * @direction: either #HDA_INPUT or #HDA_OUTPUT
1268 * Query AMP capabilities for the given widget and direction.
1269 * Returns the obtained capability bits.
1271 * When cap bits have been already read, this doesn't read again but
1272 * returns the cached value.
1274 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
1276 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
1277 nid = codec->core.afg;
1278 return snd_hda_param_read(codec, nid,
1279 direction == HDA_OUTPUT ?
1280 AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
1282 EXPORT_SYMBOL_GPL(query_amp_caps);
1285 * snd_hda_check_amp_caps - query AMP capabilities
1286 * @codec: the HD-audio codec
1287 * @nid: the NID to query
1288 * @dir: either #HDA_INPUT or #HDA_OUTPUT
1289 * @bits: bit mask to check the result
1291 * Check whether the widget has the given amp capability for the direction.
1293 bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
1294 int dir, unsigned int bits)
1298 if (get_wcaps(codec, nid) & (1 << (dir + 1)))
1299 if (query_amp_caps(codec, nid, dir) & bits)
1303 EXPORT_SYMBOL_GPL(snd_hda_check_amp_caps);
1306 * snd_hda_override_amp_caps - Override the AMP capabilities
1307 * @codec: the CODEC to clean up
1308 * @nid: the NID to clean up
1309 * @dir: either #HDA_INPUT or #HDA_OUTPUT
1310 * @caps: the capability bits to set
1312 * Override the cached AMP caps bits value by the given one.
1313 * This function is useful if the driver needs to adjust the AMP ranges,
1314 * e.g. limit to 0dB, etc.
1316 * Returns zero if successful or a negative error code.
1318 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
1323 snd_hda_override_wcaps(codec, nid,
1324 get_wcaps(codec, nid) | AC_WCAP_AMP_OVRD);
1325 parm = dir == HDA_OUTPUT ? AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP;
1326 return snd_hdac_override_parm(&codec->core, nid, parm, caps);
1328 EXPORT_SYMBOL_GPL(snd_hda_override_amp_caps);
1330 static unsigned int encode_amp(struct hda_codec *codec, hda_nid_t nid,
1331 int ch, int dir, int idx)
1333 unsigned int cmd = snd_hdac_regmap_encode_amp(nid, ch, dir, idx);
1335 /* enable fake mute if no h/w mute but min=mute */
1336 if ((query_amp_caps(codec, nid, dir) &
1337 (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) == AC_AMPCAP_MIN_MUTE)
1338 cmd |= AC_AMP_FAKE_MUTE;
1343 * snd_hda_codec_amp_update - update the AMP mono value
1344 * @codec: HD-audio codec
1345 * @nid: NID to read the AMP value
1346 * @ch: channel to update (0 or 1)
1347 * @dir: #HDA_INPUT or #HDA_OUTPUT
1348 * @idx: the index value (only for input direction)
1349 * @mask: bit mask to set
1350 * @val: the bits value to set
1352 * Update the AMP values for the given channel, direction and index.
1354 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid,
1355 int ch, int dir, int idx, int mask, int val)
1357 unsigned int cmd = encode_amp(codec, nid, ch, dir, idx);
1359 return snd_hdac_regmap_update_raw(&codec->core, cmd, mask, val);
1361 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_update);
1364 * snd_hda_codec_amp_stereo - update the AMP stereo values
1365 * @codec: HD-audio codec
1366 * @nid: NID to read the AMP value
1367 * @direction: #HDA_INPUT or #HDA_OUTPUT
1368 * @idx: the index value (only for input direction)
1369 * @mask: bit mask to set
1370 * @val: the bits value to set
1372 * Update the AMP values like snd_hda_codec_amp_update(), but for a
1373 * stereo widget with the same mask and value.
1375 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
1376 int direction, 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_update(codec, nid, ch, direction,
1387 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_stereo);
1390 * snd_hda_codec_amp_init - initialize the AMP value
1391 * @codec: the HDA codec
1392 * @nid: NID to read the AMP value
1393 * @ch: channel (left=0 or right=1)
1394 * @dir: #HDA_INPUT or #HDA_OUTPUT
1395 * @idx: the index value (only for input direction)
1396 * @mask: bit mask to set
1397 * @val: the bits value to set
1399 * Works like snd_hda_codec_amp_update() but it writes the value only at
1400 * the first access. If the amp was already initialized / updated beforehand,
1401 * this does nothing.
1403 int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
1404 int dir, int idx, int mask, int val)
1406 unsigned int cmd = encode_amp(codec, nid, ch, dir, idx);
1408 if (!codec->core.regmap)
1410 return snd_hdac_regmap_update_raw_once(&codec->core, cmd, mask, val);
1412 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init);
1415 * snd_hda_codec_amp_init_stereo - initialize the stereo AMP value
1416 * @codec: the HDA codec
1417 * @nid: NID to read the AMP value
1418 * @dir: #HDA_INPUT or #HDA_OUTPUT
1419 * @idx: the index value (only for input direction)
1420 * @mask: bit mask to set
1421 * @val: the bits value to set
1423 * Call snd_hda_codec_amp_init() for both stereo channels.
1425 int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
1426 int dir, int idx, int mask, int val)
1430 if (snd_BUG_ON(mask & ~0xff))
1432 for (ch = 0; ch < 2; ch++)
1433 ret |= snd_hda_codec_amp_init(codec, nid, ch, dir,
1437 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init_stereo);
1439 static u32 get_amp_max_value(struct hda_codec *codec, hda_nid_t nid, int dir,
1442 u32 caps = query_amp_caps(codec, nid, dir);
1444 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1451 * snd_hda_mixer_amp_volume_info - Info callback for a standard AMP mixer
1452 * @kcontrol: referred ctl element
1453 * @uinfo: pointer to get/store the data
1455 * The control element is supposed to have the private_value field
1456 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1458 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
1459 struct snd_ctl_elem_info *uinfo)
1461 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1462 u16 nid = get_amp_nid(kcontrol);
1463 u8 chs = get_amp_channels(kcontrol);
1464 int dir = get_amp_direction(kcontrol);
1465 unsigned int ofs = get_amp_offset(kcontrol);
1467 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1468 uinfo->count = chs == 3 ? 2 : 1;
1469 uinfo->value.integer.min = 0;
1470 uinfo->value.integer.max = get_amp_max_value(codec, nid, dir, ofs);
1471 if (!uinfo->value.integer.max) {
1473 "num_steps = 0 for NID=0x%x (ctl = %s)\n",
1474 nid, kcontrol->id.name);
1479 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_info);
1482 static inline unsigned int
1483 read_amp_value(struct hda_codec *codec, hda_nid_t nid,
1484 int ch, int dir, int idx, unsigned int ofs)
1487 val = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
1488 val &= HDA_AMP_VOLMASK;
1497 update_amp_value(struct hda_codec *codec, hda_nid_t nid,
1498 int ch, int dir, int idx, unsigned int ofs,
1501 unsigned int maxval;
1505 /* ofs = 0: raw max value */
1506 maxval = get_amp_max_value(codec, nid, dir, 0);
1509 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx,
1510 HDA_AMP_VOLMASK, val);
1514 * snd_hda_mixer_amp_volume_get - Get callback for a standard AMP mixer volume
1515 * @kcontrol: ctl element
1516 * @ucontrol: pointer to get/store the data
1518 * The control element is supposed to have the private_value field
1519 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1521 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
1522 struct snd_ctl_elem_value *ucontrol)
1524 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1525 hda_nid_t nid = get_amp_nid(kcontrol);
1526 int chs = get_amp_channels(kcontrol);
1527 int dir = get_amp_direction(kcontrol);
1528 int idx = get_amp_index(kcontrol);
1529 unsigned int ofs = get_amp_offset(kcontrol);
1530 long *valp = ucontrol->value.integer.value;
1533 *valp++ = read_amp_value(codec, nid, 0, dir, idx, ofs);
1535 *valp = read_amp_value(codec, nid, 1, dir, idx, ofs);
1538 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_get);
1541 * snd_hda_mixer_amp_volume_put - Put callback for a standard AMP mixer volume
1542 * @kcontrol: ctl element
1543 * @ucontrol: pointer to get/store the data
1545 * The control element is supposed to have the private_value field
1546 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1548 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1549 struct snd_ctl_elem_value *ucontrol)
1551 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1552 hda_nid_t nid = get_amp_nid(kcontrol);
1553 int chs = get_amp_channels(kcontrol);
1554 int dir = get_amp_direction(kcontrol);
1555 int idx = get_amp_index(kcontrol);
1556 unsigned int ofs = get_amp_offset(kcontrol);
1557 long *valp = ucontrol->value.integer.value;
1561 change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp);
1565 change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp);
1568 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_put);
1570 /* inquiry the amp caps and convert to TLV */
1571 static void get_ctl_amp_tlv(struct snd_kcontrol *kcontrol, unsigned int *tlv)
1573 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1574 hda_nid_t nid = get_amp_nid(kcontrol);
1575 int dir = get_amp_direction(kcontrol);
1576 unsigned int ofs = get_amp_offset(kcontrol);
1577 bool min_mute = get_amp_min_mute(kcontrol);
1578 u32 caps, val1, val2;
1580 caps = query_amp_caps(codec, nid, dir);
1581 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1582 val2 = (val2 + 1) * 25;
1583 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1585 val1 = ((int)val1) * ((int)val2);
1586 if (min_mute || (caps & AC_AMPCAP_MIN_MUTE))
1587 val2 |= TLV_DB_SCALE_MUTE;
1588 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1589 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1590 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = val1;
1591 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = val2;
1595 * snd_hda_mixer_amp_tlv - TLV callback for a standard AMP mixer volume
1596 * @kcontrol: ctl element
1597 * @op_flag: operation flag
1598 * @size: byte size of input TLV
1601 * The control element is supposed to have the private_value field
1602 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1604 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1605 unsigned int size, unsigned int __user *_tlv)
1607 unsigned int tlv[4];
1609 if (size < 4 * sizeof(unsigned int))
1611 get_ctl_amp_tlv(kcontrol, tlv);
1612 if (copy_to_user(_tlv, tlv, sizeof(tlv)))
1616 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_tlv);
1619 * snd_hda_set_vmaster_tlv - Set TLV for a virtual master control
1620 * @codec: HD-audio codec
1621 * @nid: NID of a reference widget
1622 * @dir: #HDA_INPUT or #HDA_OUTPUT
1623 * @tlv: TLV data to be stored, at least 4 elements
1625 * Set (static) TLV data for a virtual master volume using the AMP caps
1626 * obtained from the reference NID.
1627 * The volume range is recalculated as if the max volume is 0dB.
1629 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1635 caps = query_amp_caps(codec, nid, dir);
1636 nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1637 step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1638 step = (step + 1) * 25;
1639 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1640 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1641 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = -nums * step;
1642 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = step;
1644 EXPORT_SYMBOL_GPL(snd_hda_set_vmaster_tlv);
1646 /* find a mixer control element with the given name */
1647 static struct snd_kcontrol *
1648 find_mixer_ctl(struct hda_codec *codec, const char *name, int dev, int idx)
1650 struct snd_ctl_elem_id id;
1651 memset(&id, 0, sizeof(id));
1652 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1655 if (snd_BUG_ON(strlen(name) >= sizeof(id.name)))
1657 strcpy(id.name, name);
1658 return snd_ctl_find_id(codec->card, &id);
1662 * snd_hda_find_mixer_ctl - Find a mixer control element with the given name
1663 * @codec: HD-audio codec
1664 * @name: ctl id name string
1666 * Get the control element with the given id string and IFACE_MIXER.
1668 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1671 return find_mixer_ctl(codec, name, 0, 0);
1673 EXPORT_SYMBOL_GPL(snd_hda_find_mixer_ctl);
1675 static int find_empty_mixer_ctl_idx(struct hda_codec *codec, const char *name,
1679 /* 16 ctlrs should be large enough */
1680 for (i = 0, idx = start_idx; i < 16; i++, idx++) {
1681 if (!find_mixer_ctl(codec, name, 0, idx))
1688 * snd_hda_ctl_add - Add a control element and assign to the codec
1689 * @codec: HD-audio codec
1690 * @nid: corresponding NID (optional)
1691 * @kctl: the control element to assign
1693 * Add the given control element to an array inside the codec instance.
1694 * All control elements belonging to a codec are supposed to be added
1695 * by this function so that a proper clean-up works at the free or
1696 * reconfiguration time.
1698 * If non-zero @nid is passed, the NID is assigned to the control element.
1699 * The assignment is shown in the codec proc file.
1701 * snd_hda_ctl_add() checks the control subdev id field whether
1702 * #HDA_SUBDEV_NID_FLAG bit is set. If set (and @nid is zero), the lower
1703 * bits value is taken as the NID to assign. The #HDA_NID_ITEM_AMP bit
1704 * specifies if kctl->private_value is a HDA amplifier value.
1706 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
1707 struct snd_kcontrol *kctl)
1710 unsigned short flags = 0;
1711 struct hda_nid_item *item;
1713 if (kctl->id.subdevice & HDA_SUBDEV_AMP_FLAG) {
1714 flags |= HDA_NID_ITEM_AMP;
1716 nid = get_amp_nid_(kctl->private_value);
1718 if ((kctl->id.subdevice & HDA_SUBDEV_NID_FLAG) != 0 && nid == 0)
1719 nid = kctl->id.subdevice & 0xffff;
1720 if (kctl->id.subdevice & (HDA_SUBDEV_NID_FLAG|HDA_SUBDEV_AMP_FLAG))
1721 kctl->id.subdevice = 0;
1722 err = snd_ctl_add(codec->card, kctl);
1725 item = snd_array_new(&codec->mixers);
1730 item->flags = flags;
1733 EXPORT_SYMBOL_GPL(snd_hda_ctl_add);
1736 * snd_hda_add_nid - Assign a NID to a control element
1737 * @codec: HD-audio codec
1738 * @nid: corresponding NID (optional)
1739 * @kctl: the control element to assign
1740 * @index: index to kctl
1742 * Add the given control element to an array inside the codec instance.
1743 * This function is used when #snd_hda_ctl_add cannot be used for 1:1
1744 * NID:KCTL mapping - for example "Capture Source" selector.
1746 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
1747 unsigned int index, hda_nid_t nid)
1749 struct hda_nid_item *item;
1752 item = snd_array_new(&codec->nids);
1756 item->index = index;
1760 codec_err(codec, "no NID for mapping control %s:%d:%d\n",
1761 kctl->id.name, kctl->id.index, index);
1764 EXPORT_SYMBOL_GPL(snd_hda_add_nid);
1767 * snd_hda_ctls_clear - Clear all controls assigned to the given codec
1768 * @codec: HD-audio codec
1770 void snd_hda_ctls_clear(struct hda_codec *codec)
1773 struct hda_nid_item *items = codec->mixers.list;
1775 down_write(&codec->card->controls_rwsem);
1776 for (i = 0; i < codec->mixers.used; i++)
1777 snd_ctl_remove(codec->card, items[i].kctl);
1778 up_write(&codec->card->controls_rwsem);
1779 snd_array_free(&codec->mixers);
1780 snd_array_free(&codec->nids);
1784 * snd_hda_lock_devices - pseudo device locking
1787 * toggle card->shutdown to allow/disallow the device access (as a hack)
1789 int snd_hda_lock_devices(struct hda_bus *bus)
1791 struct snd_card *card = bus->card;
1792 struct hda_codec *codec;
1794 spin_lock(&card->files_lock);
1798 if (!list_empty(&card->ctl_files))
1801 list_for_each_codec(codec, bus) {
1802 struct hda_pcm *cpcm;
1803 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
1806 if (cpcm->pcm->streams[0].substream_opened ||
1807 cpcm->pcm->streams[1].substream_opened)
1811 spin_unlock(&card->files_lock);
1817 spin_unlock(&card->files_lock);
1820 EXPORT_SYMBOL_GPL(snd_hda_lock_devices);
1823 * snd_hda_unlock_devices - pseudo device unlocking
1826 void snd_hda_unlock_devices(struct hda_bus *bus)
1828 struct snd_card *card = bus->card;
1830 spin_lock(&card->files_lock);
1832 spin_unlock(&card->files_lock);
1834 EXPORT_SYMBOL_GPL(snd_hda_unlock_devices);
1837 * snd_hda_codec_reset - Clear all objects assigned to the codec
1838 * @codec: HD-audio codec
1840 * This frees the all PCM and control elements assigned to the codec, and
1841 * clears the caches and restores the pin default configurations.
1843 * When a device is being used, it returns -EBSY. If successfully freed,
1846 int snd_hda_codec_reset(struct hda_codec *codec)
1848 struct hda_bus *bus = codec->bus;
1850 if (snd_hda_lock_devices(bus) < 0)
1853 /* OK, let it free */
1854 device_release_driver(hda_codec_dev(codec));
1856 /* allow device access again */
1857 snd_hda_unlock_devices(bus);
1861 typedef int (*map_follower_func_t)(struct hda_codec *, void *, struct snd_kcontrol *);
1863 /* apply the function to all matching follower ctls in the mixer list */
1864 static int map_followers(struct hda_codec *codec, const char * const *followers,
1865 const char *suffix, map_follower_func_t func, void *data)
1867 struct hda_nid_item *items;
1868 const char * const *s;
1871 items = codec->mixers.list;
1872 for (i = 0; i < codec->mixers.used; i++) {
1873 struct snd_kcontrol *sctl = items[i].kctl;
1874 if (!sctl || sctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER)
1876 for (s = followers; *s; s++) {
1877 char tmpname[sizeof(sctl->id.name)];
1878 const char *name = *s;
1880 snprintf(tmpname, sizeof(tmpname), "%s %s",
1884 if (!strcmp(sctl->id.name, name)) {
1885 err = func(codec, data, sctl);
1895 static int check_follower_present(struct hda_codec *codec,
1896 void *data, struct snd_kcontrol *sctl)
1901 /* call kctl->put with the given value(s) */
1902 static int put_kctl_with_value(struct snd_kcontrol *kctl, int val)
1904 struct snd_ctl_elem_value *ucontrol;
1905 ucontrol = kzalloc(sizeof(*ucontrol), GFP_KERNEL);
1908 ucontrol->value.integer.value[0] = val;
1909 ucontrol->value.integer.value[1] = val;
1910 kctl->put(kctl, ucontrol);
1915 struct follower_init_arg {
1916 struct hda_codec *codec;
1920 /* initialize the follower volume with 0dB via snd_ctl_apply_vmaster_followers() */
1921 static int init_follower_0dB(struct snd_kcontrol *follower,
1922 struct snd_kcontrol *kctl,
1925 struct follower_init_arg *arg = _arg;
1927 const int *tlv = NULL;
1931 if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
1932 if (kctl->tlv.c != snd_hda_mixer_amp_tlv) {
1933 codec_err(arg->codec,
1934 "Unexpected TLV callback for follower %s:%d\n",
1935 kctl->id.name, kctl->id.index);
1936 return 0; /* ignore */
1938 get_ctl_amp_tlv(kctl, _tlv);
1940 } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ)
1943 if (!tlv || tlv[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE)
1946 step = tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP];
1947 step &= ~TLV_DB_SCALE_MUTE;
1950 if (arg->step && arg->step != step) {
1951 codec_err(arg->codec,
1952 "Mismatching dB step for vmaster follower (%d!=%d)\n",
1958 val = -tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] / step;
1960 put_kctl_with_value(follower, val);
1967 /* unmute the follower via snd_ctl_apply_vmaster_followers() */
1968 static int init_follower_unmute(struct snd_kcontrol *follower,
1969 struct snd_kcontrol *kctl,
1972 return put_kctl_with_value(follower, 1);
1975 static int add_follower(struct hda_codec *codec,
1976 void *data, struct snd_kcontrol *follower)
1978 return snd_ctl_add_follower(data, follower);
1982 * __snd_hda_add_vmaster - create a virtual master control and add followers
1983 * @codec: HD-audio codec
1984 * @name: vmaster control name
1985 * @tlv: TLV data (optional)
1986 * @followers: follower control names (optional)
1987 * @suffix: suffix string to each follower name (optional)
1988 * @init_follower_vol: initialize followers to unmute/0dB
1989 * @access: kcontrol access rights
1990 * @ctl_ret: store the vmaster kcontrol in return
1992 * Create a virtual master control with the given name. The TLV data
1993 * must be either NULL or a valid data.
1995 * @followers is a NULL-terminated array of strings, each of which is a
1996 * follower control name. All controls with these names are assigned to
1997 * the new virtual master control.
1999 * This function returns zero if successful or a negative error code.
2001 int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
2002 unsigned int *tlv, const char * const *followers,
2003 const char *suffix, bool init_follower_vol,
2004 unsigned int access, struct snd_kcontrol **ctl_ret)
2006 struct snd_kcontrol *kctl;
2012 err = map_followers(codec, followers, suffix, check_follower_present, NULL);
2014 codec_dbg(codec, "No follower found for %s\n", name);
2017 kctl = snd_ctl_make_virtual_master(name, tlv);
2020 kctl->vd[0].access |= access;
2021 err = snd_hda_ctl_add(codec, 0, kctl);
2025 err = map_followers(codec, followers, suffix, add_follower, kctl);
2029 /* init with master mute & zero volume */
2030 put_kctl_with_value(kctl, 0);
2031 if (init_follower_vol) {
2032 struct follower_init_arg arg = {
2036 snd_ctl_apply_vmaster_followers(kctl,
2037 tlv ? init_follower_0dB : init_follower_unmute,
2045 EXPORT_SYMBOL_GPL(__snd_hda_add_vmaster);
2047 /* meta hook to call each driver's vmaster hook */
2048 static void vmaster_hook(void *private_data, int enabled)
2050 struct hda_vmaster_mute_hook *hook = private_data;
2052 hook->hook(hook->codec, enabled);
2056 * snd_hda_add_vmaster_hook - Add a vmaster hw specific hook
2057 * @codec: the HDA codec
2058 * @hook: the vmaster hook object
2060 * Add a hw specific hook (like EAPD) with the given vmaster switch kctl.
2062 int snd_hda_add_vmaster_hook(struct hda_codec *codec,
2063 struct hda_vmaster_mute_hook *hook)
2065 if (!hook->hook || !hook->sw_kctl)
2067 hook->codec = codec;
2068 snd_ctl_add_vmaster_hook(hook->sw_kctl, vmaster_hook, hook);
2071 EXPORT_SYMBOL_GPL(snd_hda_add_vmaster_hook);
2074 * snd_hda_sync_vmaster_hook - Sync vmaster hook
2075 * @hook: the vmaster hook
2077 * Call the hook with the current value for synchronization.
2078 * Should be called in init callback.
2080 void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook)
2082 if (!hook->hook || !hook->codec)
2084 /* don't call vmaster hook in the destructor since it might have
2085 * been already destroyed
2087 if (hook->codec->bus->shutdown)
2089 snd_ctl_sync_vmaster_hook(hook->sw_kctl);
2091 EXPORT_SYMBOL_GPL(snd_hda_sync_vmaster_hook);
2095 * snd_hda_mixer_amp_switch_info - Info callback for a standard AMP mixer switch
2096 * @kcontrol: referred ctl element
2097 * @uinfo: pointer to get/store the data
2099 * The control element is supposed to have the private_value field
2100 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2102 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
2103 struct snd_ctl_elem_info *uinfo)
2105 int chs = get_amp_channels(kcontrol);
2107 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2108 uinfo->count = chs == 3 ? 2 : 1;
2109 uinfo->value.integer.min = 0;
2110 uinfo->value.integer.max = 1;
2113 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_info);
2116 * snd_hda_mixer_amp_switch_get - Get callback for a standard AMP mixer switch
2117 * @kcontrol: ctl element
2118 * @ucontrol: pointer to get/store the data
2120 * The control element is supposed to have the private_value field
2121 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2123 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
2124 struct snd_ctl_elem_value *ucontrol)
2126 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2127 hda_nid_t nid = get_amp_nid(kcontrol);
2128 int chs = get_amp_channels(kcontrol);
2129 int dir = get_amp_direction(kcontrol);
2130 int idx = get_amp_index(kcontrol);
2131 long *valp = ucontrol->value.integer.value;
2134 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
2135 HDA_AMP_MUTE) ? 0 : 1;
2137 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
2138 HDA_AMP_MUTE) ? 0 : 1;
2141 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_get);
2144 * snd_hda_mixer_amp_switch_put - Put callback for a standard AMP mixer switch
2145 * @kcontrol: ctl element
2146 * @ucontrol: pointer to get/store the data
2148 * The control element is supposed to have the private_value field
2149 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2151 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
2152 struct snd_ctl_elem_value *ucontrol)
2154 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2155 hda_nid_t nid = get_amp_nid(kcontrol);
2156 int chs = get_amp_channels(kcontrol);
2157 int dir = get_amp_direction(kcontrol);
2158 int idx = get_amp_index(kcontrol);
2159 long *valp = ucontrol->value.integer.value;
2163 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
2165 *valp ? 0 : HDA_AMP_MUTE);
2169 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
2171 *valp ? 0 : HDA_AMP_MUTE);
2172 hda_call_check_power_status(codec, nid);
2175 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put);
2178 * SPDIF out controls
2181 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
2182 struct snd_ctl_elem_info *uinfo)
2184 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2189 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
2190 struct snd_ctl_elem_value *ucontrol)
2192 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2193 IEC958_AES0_NONAUDIO |
2194 IEC958_AES0_CON_EMPHASIS_5015 |
2195 IEC958_AES0_CON_NOT_COPYRIGHT;
2196 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
2197 IEC958_AES1_CON_ORIGINAL;
2201 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
2202 struct snd_ctl_elem_value *ucontrol)
2204 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2205 IEC958_AES0_NONAUDIO |
2206 IEC958_AES0_PRO_EMPHASIS_5015;
2210 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
2211 struct snd_ctl_elem_value *ucontrol)
2213 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2214 int idx = kcontrol->private_value;
2215 struct hda_spdif_out *spdif;
2217 if (WARN_ON(codec->spdif_out.used <= idx))
2219 mutex_lock(&codec->spdif_mutex);
2220 spdif = snd_array_elem(&codec->spdif_out, idx);
2221 ucontrol->value.iec958.status[0] = spdif->status & 0xff;
2222 ucontrol->value.iec958.status[1] = (spdif->status >> 8) & 0xff;
2223 ucontrol->value.iec958.status[2] = (spdif->status >> 16) & 0xff;
2224 ucontrol->value.iec958.status[3] = (spdif->status >> 24) & 0xff;
2225 mutex_unlock(&codec->spdif_mutex);
2230 /* convert from SPDIF status bits to HDA SPDIF bits
2231 * bit 0 (DigEn) is always set zero (to be filled later)
2233 static unsigned short convert_from_spdif_status(unsigned int sbits)
2235 unsigned short val = 0;
2237 if (sbits & IEC958_AES0_PROFESSIONAL)
2238 val |= AC_DIG1_PROFESSIONAL;
2239 if (sbits & IEC958_AES0_NONAUDIO)
2240 val |= AC_DIG1_NONAUDIO;
2241 if (sbits & IEC958_AES0_PROFESSIONAL) {
2242 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
2243 IEC958_AES0_PRO_EMPHASIS_5015)
2244 val |= AC_DIG1_EMPHASIS;
2246 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
2247 IEC958_AES0_CON_EMPHASIS_5015)
2248 val |= AC_DIG1_EMPHASIS;
2249 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
2250 val |= AC_DIG1_COPYRIGHT;
2251 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
2252 val |= AC_DIG1_LEVEL;
2253 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
2258 /* convert to SPDIF status bits from HDA SPDIF bits
2260 static unsigned int convert_to_spdif_status(unsigned short val)
2262 unsigned int sbits = 0;
2264 if (val & AC_DIG1_NONAUDIO)
2265 sbits |= IEC958_AES0_NONAUDIO;
2266 if (val & AC_DIG1_PROFESSIONAL)
2267 sbits |= IEC958_AES0_PROFESSIONAL;
2268 if (sbits & IEC958_AES0_PROFESSIONAL) {
2269 if (val & AC_DIG1_EMPHASIS)
2270 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
2272 if (val & AC_DIG1_EMPHASIS)
2273 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
2274 if (!(val & AC_DIG1_COPYRIGHT))
2275 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
2276 if (val & AC_DIG1_LEVEL)
2277 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
2278 sbits |= val & (0x7f << 8);
2283 /* set digital convert verbs both for the given NID and its followers */
2284 static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
2289 snd_hdac_regmap_update(&codec->core, nid, AC_VERB_SET_DIGI_CONVERT_1,
2291 d = codec->follower_dig_outs;
2295 snd_hdac_regmap_update(&codec->core, *d,
2296 AC_VERB_SET_DIGI_CONVERT_1, mask, val);
2299 static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
2302 unsigned int mask = 0;
2303 unsigned int val = 0;
2313 set_dig_out(codec, nid, mask, val);
2316 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
2317 struct snd_ctl_elem_value *ucontrol)
2319 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2320 int idx = kcontrol->private_value;
2321 struct hda_spdif_out *spdif;
2326 if (WARN_ON(codec->spdif_out.used <= idx))
2328 mutex_lock(&codec->spdif_mutex);
2329 spdif = snd_array_elem(&codec->spdif_out, idx);
2331 spdif->status = ucontrol->value.iec958.status[0] |
2332 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
2333 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
2334 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
2335 val = convert_from_spdif_status(spdif->status);
2336 val |= spdif->ctls & 1;
2337 change = spdif->ctls != val;
2339 if (change && nid != (u16)-1)
2340 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
2341 mutex_unlock(&codec->spdif_mutex);
2345 #define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
2347 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
2348 struct snd_ctl_elem_value *ucontrol)
2350 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2351 int idx = kcontrol->private_value;
2352 struct hda_spdif_out *spdif;
2354 if (WARN_ON(codec->spdif_out.used <= idx))
2356 mutex_lock(&codec->spdif_mutex);
2357 spdif = snd_array_elem(&codec->spdif_out, idx);
2358 ucontrol->value.integer.value[0] = spdif->ctls & AC_DIG1_ENABLE;
2359 mutex_unlock(&codec->spdif_mutex);
2363 static inline void set_spdif_ctls(struct hda_codec *codec, hda_nid_t nid,
2366 set_dig_out_convert(codec, nid, dig1, dig2);
2367 /* unmute amp switch (if any) */
2368 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
2369 (dig1 & AC_DIG1_ENABLE))
2370 snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
2374 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
2375 struct snd_ctl_elem_value *ucontrol)
2377 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2378 int idx = kcontrol->private_value;
2379 struct hda_spdif_out *spdif;
2384 if (WARN_ON(codec->spdif_out.used <= idx))
2386 mutex_lock(&codec->spdif_mutex);
2387 spdif = snd_array_elem(&codec->spdif_out, idx);
2389 val = spdif->ctls & ~AC_DIG1_ENABLE;
2390 if (ucontrol->value.integer.value[0])
2391 val |= AC_DIG1_ENABLE;
2392 change = spdif->ctls != val;
2394 if (change && nid != (u16)-1)
2395 set_spdif_ctls(codec, nid, val & 0xff, -1);
2396 mutex_unlock(&codec->spdif_mutex);
2400 static const struct snd_kcontrol_new dig_mixes[] = {
2402 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2403 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2404 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
2405 .info = snd_hda_spdif_mask_info,
2406 .get = snd_hda_spdif_cmask_get,
2409 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2410 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2411 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
2412 .info = snd_hda_spdif_mask_info,
2413 .get = snd_hda_spdif_pmask_get,
2416 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2417 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
2418 .info = snd_hda_spdif_mask_info,
2419 .get = snd_hda_spdif_default_get,
2420 .put = snd_hda_spdif_default_put,
2423 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2424 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
2425 .info = snd_hda_spdif_out_switch_info,
2426 .get = snd_hda_spdif_out_switch_get,
2427 .put = snd_hda_spdif_out_switch_put,
2433 * snd_hda_create_dig_out_ctls - create Output SPDIF-related controls
2434 * @codec: the HDA codec
2435 * @associated_nid: NID that new ctls associated with
2436 * @cvt_nid: converter NID
2437 * @type: HDA_PCM_TYPE_*
2438 * Creates controls related with the digital output.
2439 * Called from each patch supporting the digital out.
2441 * Returns 0 if successful, or a negative error code.
2443 int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
2444 hda_nid_t associated_nid,
2449 struct snd_kcontrol *kctl;
2450 const struct snd_kcontrol_new *dig_mix;
2453 const int spdif_index = 16;
2454 struct hda_spdif_out *spdif;
2455 struct hda_bus *bus = codec->bus;
2457 if (bus->primary_dig_out_type == HDA_PCM_TYPE_HDMI &&
2458 type == HDA_PCM_TYPE_SPDIF) {
2460 } else if (bus->primary_dig_out_type == HDA_PCM_TYPE_SPDIF &&
2461 type == HDA_PCM_TYPE_HDMI) {
2462 /* suppose a single SPDIF device */
2463 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2464 kctl = find_mixer_ctl(codec, dig_mix->name, 0, 0);
2467 kctl->id.index = spdif_index;
2469 bus->primary_dig_out_type = HDA_PCM_TYPE_HDMI;
2471 if (!bus->primary_dig_out_type)
2472 bus->primary_dig_out_type = type;
2474 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Playback Switch", idx);
2476 codec_err(codec, "too many IEC958 outputs\n");
2479 spdif = snd_array_new(&codec->spdif_out);
2482 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2483 kctl = snd_ctl_new1(dig_mix, codec);
2486 kctl->id.index = idx;
2487 kctl->private_value = codec->spdif_out.used - 1;
2488 err = snd_hda_ctl_add(codec, associated_nid, kctl);
2492 spdif->nid = cvt_nid;
2493 snd_hdac_regmap_read(&codec->core, cvt_nid,
2494 AC_VERB_GET_DIGI_CONVERT_1, &val);
2496 spdif->status = convert_to_spdif_status(spdif->ctls);
2499 EXPORT_SYMBOL_GPL(snd_hda_create_dig_out_ctls);
2502 * snd_hda_spdif_out_of_nid - get the hda_spdif_out entry from the given NID
2503 * @codec: the HDA codec
2506 * call within spdif_mutex lock
2508 struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
2511 struct hda_spdif_out *spdif;
2514 snd_array_for_each(&codec->spdif_out, i, spdif) {
2515 if (spdif->nid == nid)
2520 EXPORT_SYMBOL_GPL(snd_hda_spdif_out_of_nid);
2523 * snd_hda_spdif_ctls_unassign - Unassign the given SPDIF ctl
2524 * @codec: the HDA codec
2525 * @idx: the SPDIF ctl index
2527 * Unassign the widget from the given SPDIF control.
2529 void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx)
2531 struct hda_spdif_out *spdif;
2533 if (WARN_ON(codec->spdif_out.used <= idx))
2535 mutex_lock(&codec->spdif_mutex);
2536 spdif = snd_array_elem(&codec->spdif_out, idx);
2537 spdif->nid = (u16)-1;
2538 mutex_unlock(&codec->spdif_mutex);
2540 EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_unassign);
2543 * snd_hda_spdif_ctls_assign - Assign the SPDIF controls to the given NID
2544 * @codec: the HDA codec
2545 * @idx: the SPDIF ctl idx
2548 * Assign the widget to the SPDIF control with the given index.
2550 void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid)
2552 struct hda_spdif_out *spdif;
2555 if (WARN_ON(codec->spdif_out.used <= idx))
2557 mutex_lock(&codec->spdif_mutex);
2558 spdif = snd_array_elem(&codec->spdif_out, idx);
2559 if (spdif->nid != nid) {
2562 set_spdif_ctls(codec, nid, val & 0xff, (val >> 8) & 0xff);
2564 mutex_unlock(&codec->spdif_mutex);
2566 EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_assign);
2569 * SPDIF sharing with analog output
2571 static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
2572 struct snd_ctl_elem_value *ucontrol)
2574 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2575 ucontrol->value.integer.value[0] = mout->share_spdif;
2579 static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
2580 struct snd_ctl_elem_value *ucontrol)
2582 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2583 mout->share_spdif = !!ucontrol->value.integer.value[0];
2587 static const struct snd_kcontrol_new spdif_share_sw = {
2588 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2589 .name = "IEC958 Default PCM Playback Switch",
2590 .info = snd_ctl_boolean_mono_info,
2591 .get = spdif_share_sw_get,
2592 .put = spdif_share_sw_put,
2596 * snd_hda_create_spdif_share_sw - create Default PCM switch
2597 * @codec: the HDA codec
2598 * @mout: multi-out instance
2600 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
2601 struct hda_multi_out *mout)
2603 struct snd_kcontrol *kctl;
2605 if (!mout->dig_out_nid)
2608 kctl = snd_ctl_new1(&spdif_share_sw, mout);
2611 /* ATTENTION: here mout is passed as private_data, instead of codec */
2612 return snd_hda_ctl_add(codec, mout->dig_out_nid, kctl);
2614 EXPORT_SYMBOL_GPL(snd_hda_create_spdif_share_sw);
2620 #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
2622 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
2623 struct snd_ctl_elem_value *ucontrol)
2625 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2627 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
2631 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
2632 struct snd_ctl_elem_value *ucontrol)
2634 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2635 hda_nid_t nid = kcontrol->private_value;
2636 unsigned int val = !!ucontrol->value.integer.value[0];
2639 mutex_lock(&codec->spdif_mutex);
2640 change = codec->spdif_in_enable != val;
2642 codec->spdif_in_enable = val;
2643 snd_hdac_regmap_write(&codec->core, nid,
2644 AC_VERB_SET_DIGI_CONVERT_1, val);
2646 mutex_unlock(&codec->spdif_mutex);
2650 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
2651 struct snd_ctl_elem_value *ucontrol)
2653 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2654 hda_nid_t nid = kcontrol->private_value;
2658 snd_hdac_regmap_read(&codec->core, nid,
2659 AC_VERB_GET_DIGI_CONVERT_1, &val);
2660 sbits = convert_to_spdif_status(val);
2661 ucontrol->value.iec958.status[0] = sbits;
2662 ucontrol->value.iec958.status[1] = sbits >> 8;
2663 ucontrol->value.iec958.status[2] = sbits >> 16;
2664 ucontrol->value.iec958.status[3] = sbits >> 24;
2668 static const struct snd_kcontrol_new dig_in_ctls[] = {
2670 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2671 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, SWITCH),
2672 .info = snd_hda_spdif_in_switch_info,
2673 .get = snd_hda_spdif_in_switch_get,
2674 .put = snd_hda_spdif_in_switch_put,
2677 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2678 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2679 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
2680 .info = snd_hda_spdif_mask_info,
2681 .get = snd_hda_spdif_in_status_get,
2687 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
2688 * @codec: the HDA codec
2689 * @nid: audio in widget NID
2691 * Creates controls related with the SPDIF input.
2692 * Called from each patch supporting the SPDIF in.
2694 * Returns 0 if successful, or a negative error code.
2696 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
2699 struct snd_kcontrol *kctl;
2700 const struct snd_kcontrol_new *dig_mix;
2703 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Capture Switch", 0);
2705 codec_err(codec, "too many IEC958 inputs\n");
2708 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
2709 kctl = snd_ctl_new1(dig_mix, codec);
2712 kctl->private_value = nid;
2713 err = snd_hda_ctl_add(codec, nid, kctl);
2717 codec->spdif_in_enable =
2718 snd_hda_codec_read(codec, nid, 0,
2719 AC_VERB_GET_DIGI_CONVERT_1, 0) &
2723 EXPORT_SYMBOL_GPL(snd_hda_create_spdif_in_ctls);
2726 * snd_hda_codec_set_power_to_all - Set the power state to all widgets
2727 * @codec: the HDA codec
2728 * @fg: function group (not used now)
2729 * @power_state: the power state to set (AC_PWRST_*)
2731 * Set the given power state to all widgets that have the power control.
2732 * If the codec has power_filter set, it evaluates the power state and
2733 * filter out if it's unchanged as D3.
2735 void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
2736 unsigned int power_state)
2740 for_each_hda_codec_node(nid, codec) {
2741 unsigned int wcaps = get_wcaps(codec, nid);
2742 unsigned int state = power_state;
2743 if (!(wcaps & AC_WCAP_POWER))
2745 if (codec->power_filter) {
2746 state = codec->power_filter(codec, nid, power_state);
2747 if (state != power_state && power_state == AC_PWRST_D3)
2750 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
2754 EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_to_all);
2757 * snd_hda_codec_eapd_power_filter - A power filter callback for EAPD
2758 * @codec: the HDA codec
2760 * @power_state: power state to evalue
2762 * Don't power down the widget if it controls eapd and EAPD_BTLENABLE is set.
2763 * This can be used a codec power_filter callback.
2765 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
2767 unsigned int power_state)
2769 if (nid == codec->core.afg || nid == codec->core.mfg)
2771 if (power_state == AC_PWRST_D3 &&
2772 get_wcaps_type(get_wcaps(codec, nid)) == AC_WID_PIN &&
2773 (snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_EAPD)) {
2774 int eapd = snd_hda_codec_read(codec, nid, 0,
2775 AC_VERB_GET_EAPD_BTLENABLE, 0);
2781 EXPORT_SYMBOL_GPL(snd_hda_codec_eapd_power_filter);
2784 * set power state of the codec, and return the power state
2786 static unsigned int hda_set_power_state(struct hda_codec *codec,
2787 unsigned int power_state)
2789 hda_nid_t fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
2794 /* this delay seems necessary to avoid click noise at power-down */
2795 if (power_state == AC_PWRST_D3) {
2796 if (codec->depop_delay < 0)
2797 msleep(codec_has_epss(codec) ? 10 : 100);
2798 else if (codec->depop_delay > 0)
2799 msleep(codec->depop_delay);
2800 flags = HDA_RW_NO_RESPONSE_FALLBACK;
2803 /* repeat power states setting at most 10 times*/
2804 for (count = 0; count < 10; count++) {
2805 if (codec->patch_ops.set_power_state)
2806 codec->patch_ops.set_power_state(codec, fg,
2809 state = power_state;
2810 if (codec->power_filter)
2811 state = codec->power_filter(codec, fg, state);
2812 if (state == power_state || power_state != AC_PWRST_D3)
2813 snd_hda_codec_read(codec, fg, flags,
2814 AC_VERB_SET_POWER_STATE,
2816 snd_hda_codec_set_power_to_all(codec, fg, power_state);
2818 state = snd_hda_sync_power_state(codec, fg, power_state);
2819 if (!(state & AC_PWRST_ERROR))
2826 /* sync power states of all widgets;
2827 * this is called at the end of codec parsing
2829 static void sync_power_up_states(struct hda_codec *codec)
2833 /* don't care if no filter is used */
2834 if (!codec->power_filter)
2837 for_each_hda_codec_node(nid, codec) {
2838 unsigned int wcaps = get_wcaps(codec, nid);
2839 unsigned int target;
2840 if (!(wcaps & AC_WCAP_POWER))
2842 target = codec->power_filter(codec, nid, AC_PWRST_D0);
2843 if (target == AC_PWRST_D0)
2845 if (!snd_hda_check_power_state(codec, nid, target))
2846 snd_hda_codec_write(codec, nid, 0,
2847 AC_VERB_SET_POWER_STATE, target);
2851 #ifdef CONFIG_SND_HDA_RECONFIG
2852 /* execute additional init verbs */
2853 static void hda_exec_init_verbs(struct hda_codec *codec)
2855 if (codec->init_verbs.list)
2856 snd_hda_sequence_write(codec, codec->init_verbs.list);
2859 static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
2863 /* update the power on/off account with the current jiffies */
2864 static void update_power_acct(struct hda_codec *codec, bool on)
2866 unsigned long delta = jiffies - codec->power_jiffies;
2869 codec->power_on_acct += delta;
2871 codec->power_off_acct += delta;
2872 codec->power_jiffies += delta;
2875 void snd_hda_update_power_acct(struct hda_codec *codec)
2877 update_power_acct(codec, hda_codec_is_power_on(codec));
2881 * call suspend and power-down; used both from PM and power-save
2882 * this function returns the power state in the end
2884 static unsigned int hda_call_codec_suspend(struct hda_codec *codec)
2888 snd_hdac_enter_pm(&codec->core);
2889 if (codec->patch_ops.suspend)
2890 codec->patch_ops.suspend(codec);
2891 hda_cleanup_all_streams(codec);
2892 state = hda_set_power_state(codec, AC_PWRST_D3);
2893 update_power_acct(codec, true);
2894 snd_hdac_leave_pm(&codec->core);
2899 * kick up codec; used both from PM and power-save
2901 static void hda_call_codec_resume(struct hda_codec *codec)
2903 snd_hdac_enter_pm(&codec->core);
2904 if (codec->core.regmap)
2905 regcache_mark_dirty(codec->core.regmap);
2907 codec->power_jiffies = jiffies;
2909 hda_set_power_state(codec, AC_PWRST_D0);
2910 restore_shutup_pins(codec);
2911 hda_exec_init_verbs(codec);
2912 snd_hda_jack_set_dirty_all(codec);
2913 if (codec->patch_ops.resume)
2914 codec->patch_ops.resume(codec);
2916 if (codec->patch_ops.init)
2917 codec->patch_ops.init(codec);
2918 snd_hda_regmap_sync(codec);
2921 if (codec->jackpoll_interval)
2922 hda_jackpoll_work(&codec->jackpoll_work.work);
2924 snd_hda_jack_report_sync(codec);
2925 codec->core.dev.power.power_state = PMSG_ON;
2926 snd_hdac_leave_pm(&codec->core);
2929 static int hda_codec_runtime_suspend(struct device *dev)
2931 struct hda_codec *codec = dev_to_hda_codec(dev);
2934 /* Nothing to do if card registration fails and the component driver never probes */
2938 if (!codec->bus->jackpoll_in_suspend)
2939 cancel_delayed_work_sync(&codec->jackpoll_work);
2941 state = hda_call_codec_suspend(codec);
2942 if (codec->link_down_at_suspend ||
2943 (codec_has_clkstop(codec) && codec_has_epss(codec) &&
2944 (state & AC_PWRST_CLK_STOP_OK)))
2945 snd_hdac_codec_link_down(&codec->core);
2946 snd_hda_codec_display_power(codec, false);
2950 static int hda_codec_runtime_resume(struct device *dev)
2952 struct hda_codec *codec = dev_to_hda_codec(dev);
2954 /* Nothing to do if card registration fails and the component driver never probes */
2958 snd_hda_codec_display_power(codec, true);
2959 snd_hdac_codec_link_up(&codec->core);
2960 hda_call_codec_resume(codec);
2961 pm_runtime_mark_last_busy(dev);
2965 #endif /* CONFIG_PM */
2967 #ifdef CONFIG_PM_SLEEP
2968 static int hda_codec_pm_prepare(struct device *dev)
2970 dev->power.power_state = PMSG_SUSPEND;
2971 return pm_runtime_suspended(dev);
2974 static void hda_codec_pm_complete(struct device *dev)
2976 struct hda_codec *codec = dev_to_hda_codec(dev);
2978 /* If no other pm-functions are called between prepare() and complete() */
2979 if (dev->power.power_state.event == PM_EVENT_SUSPEND)
2980 dev->power.power_state = PMSG_RESUME;
2982 if (pm_runtime_suspended(dev) && (codec->jackpoll_interval ||
2983 hda_codec_need_resume(codec) || codec->forced_resume))
2984 pm_request_resume(dev);
2987 static int hda_codec_pm_suspend(struct device *dev)
2989 struct hda_codec *codec = dev_to_hda_codec(dev);
2991 cancel_delayed_work_sync(&codec->jackpoll_work);
2992 dev->power.power_state = PMSG_SUSPEND;
2993 return pm_runtime_force_suspend(dev);
2996 static int hda_codec_pm_resume(struct device *dev)
2998 dev->power.power_state = PMSG_RESUME;
2999 return pm_runtime_force_resume(dev);
3002 static int hda_codec_pm_freeze(struct device *dev)
3004 struct hda_codec *codec = dev_to_hda_codec(dev);
3006 cancel_delayed_work_sync(&codec->jackpoll_work);
3007 dev->power.power_state = PMSG_FREEZE;
3008 return pm_runtime_force_suspend(dev);
3011 static int hda_codec_pm_thaw(struct device *dev)
3013 dev->power.power_state = PMSG_THAW;
3014 return pm_runtime_force_resume(dev);
3017 static int hda_codec_pm_restore(struct device *dev)
3019 dev->power.power_state = PMSG_RESTORE;
3020 return pm_runtime_force_resume(dev);
3022 #endif /* CONFIG_PM_SLEEP */
3024 /* referred in hda_bind.c */
3025 const struct dev_pm_ops hda_codec_driver_pm = {
3026 #ifdef CONFIG_PM_SLEEP
3027 .prepare = hda_codec_pm_prepare,
3028 .complete = hda_codec_pm_complete,
3029 .suspend = hda_codec_pm_suspend,
3030 .resume = hda_codec_pm_resume,
3031 .freeze = hda_codec_pm_freeze,
3032 .thaw = hda_codec_pm_thaw,
3033 .poweroff = hda_codec_pm_suspend,
3034 .restore = hda_codec_pm_restore,
3035 #endif /* CONFIG_PM_SLEEP */
3036 SET_RUNTIME_PM_OPS(hda_codec_runtime_suspend, hda_codec_runtime_resume,
3040 /* suspend the codec at shutdown; called from driver's shutdown callback */
3041 void snd_hda_codec_shutdown(struct hda_codec *codec)
3043 struct hda_pcm *cpcm;
3045 /* Skip the shutdown if codec is not registered */
3046 if (!codec->registered)
3049 cancel_delayed_work_sync(&codec->jackpoll_work);
3050 list_for_each_entry(cpcm, &codec->pcm_list_head, list)
3051 snd_pcm_suspend_all(cpcm->pcm);
3053 pm_runtime_force_suspend(hda_codec_dev(codec));
3054 pm_runtime_disable(hda_codec_dev(codec));
3058 * add standard channel maps if not specified
3060 static int add_std_chmaps(struct hda_codec *codec)
3062 struct hda_pcm *pcm;
3065 list_for_each_entry(pcm, &codec->pcm_list_head, list) {
3066 for (str = 0; str < 2; str++) {
3067 struct hda_pcm_stream *hinfo = &pcm->stream[str];
3068 struct snd_pcm_chmap *chmap;
3069 const struct snd_pcm_chmap_elem *elem;
3071 if (!pcm->pcm || pcm->own_chmap || !hinfo->substreams)
3073 elem = hinfo->chmap ? hinfo->chmap : snd_pcm_std_chmaps;
3074 err = snd_pcm_add_chmap_ctls(pcm->pcm, str, elem,
3075 hinfo->channels_max,
3079 chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
3085 /* default channel maps for 2.1 speakers;
3086 * since HD-audio supports only stereo, odd number channels are omitted
3088 const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[] = {
3090 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
3092 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR,
3093 SNDRV_CHMAP_LFE, SNDRV_CHMAP_LFE } },
3096 EXPORT_SYMBOL_GPL(snd_pcm_2_1_chmaps);
3098 int snd_hda_codec_build_controls(struct hda_codec *codec)
3101 hda_exec_init_verbs(codec);
3102 /* continue to initialize... */
3103 if (codec->patch_ops.init)
3104 err = codec->patch_ops.init(codec);
3105 if (!err && codec->patch_ops.build_controls)
3106 err = codec->patch_ops.build_controls(codec);
3110 /* we create chmaps here instead of build_pcms */
3111 err = add_std_chmaps(codec);
3115 if (codec->jackpoll_interval)
3116 hda_jackpoll_work(&codec->jackpoll_work.work);
3118 snd_hda_jack_report_sync(codec); /* call at the last init point */
3119 sync_power_up_states(codec);
3122 EXPORT_SYMBOL_GPL(snd_hda_codec_build_controls);
3127 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
3128 struct hda_codec *codec,
3129 struct snd_pcm_substream *substream)
3134 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
3135 struct hda_codec *codec,
3136 unsigned int stream_tag,
3137 unsigned int format,
3138 struct snd_pcm_substream *substream)
3140 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
3144 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
3145 struct hda_codec *codec,
3146 struct snd_pcm_substream *substream)
3148 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
3152 static int set_pcm_default_values(struct hda_codec *codec,
3153 struct hda_pcm_stream *info)
3157 /* query support PCM information from the given NID */
3158 if (info->nid && (!info->rates || !info->formats)) {
3159 err = snd_hda_query_supported_pcm(codec, info->nid,
3160 info->rates ? NULL : &info->rates,
3161 info->formats ? NULL : &info->formats,
3162 info->maxbps ? NULL : &info->maxbps);
3166 if (info->ops.open == NULL)
3167 info->ops.open = hda_pcm_default_open_close;
3168 if (info->ops.close == NULL)
3169 info->ops.close = hda_pcm_default_open_close;
3170 if (info->ops.prepare == NULL) {
3171 if (snd_BUG_ON(!info->nid))
3173 info->ops.prepare = hda_pcm_default_prepare;
3175 if (info->ops.cleanup == NULL) {
3176 if (snd_BUG_ON(!info->nid))
3178 info->ops.cleanup = hda_pcm_default_cleanup;
3184 * codec prepare/cleanup entries
3187 * snd_hda_codec_prepare - Prepare a stream
3188 * @codec: the HDA codec
3189 * @hinfo: PCM information
3190 * @stream: stream tag to assign
3191 * @format: format id to assign
3192 * @substream: PCM substream to assign
3194 * Calls the prepare callback set by the codec with the given arguments.
3195 * Clean up the inactive streams when successful.
3197 int snd_hda_codec_prepare(struct hda_codec *codec,
3198 struct hda_pcm_stream *hinfo,
3199 unsigned int stream,
3200 unsigned int format,
3201 struct snd_pcm_substream *substream)
3204 mutex_lock(&codec->bus->prepare_mutex);
3205 if (hinfo->ops.prepare)
3206 ret = hinfo->ops.prepare(hinfo, codec, stream, format,
3211 purify_inactive_streams(codec);
3212 mutex_unlock(&codec->bus->prepare_mutex);
3215 EXPORT_SYMBOL_GPL(snd_hda_codec_prepare);
3218 * snd_hda_codec_cleanup - Clean up stream resources
3219 * @codec: the HDA codec
3220 * @hinfo: PCM information
3221 * @substream: PCM substream
3223 * Calls the cleanup callback set by the codec with the given arguments.
3225 void snd_hda_codec_cleanup(struct hda_codec *codec,
3226 struct hda_pcm_stream *hinfo,
3227 struct snd_pcm_substream *substream)
3229 mutex_lock(&codec->bus->prepare_mutex);
3230 if (hinfo->ops.cleanup)
3231 hinfo->ops.cleanup(hinfo, codec, substream);
3232 mutex_unlock(&codec->bus->prepare_mutex);
3234 EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup);
3237 const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = {
3238 "Audio", "SPDIF", "HDMI", "Modem"
3242 * get the empty PCM device number to assign
3244 static int get_empty_pcm_device(struct hda_bus *bus, unsigned int type)
3246 /* audio device indices; not linear to keep compatibility */
3247 /* assigned to static slots up to dev#10; if more needed, assign
3248 * the later slot dynamically (when CONFIG_SND_DYNAMIC_MINORS=y)
3250 static const int audio_idx[HDA_PCM_NTYPES][5] = {
3251 [HDA_PCM_TYPE_AUDIO] = { 0, 2, 4, 5, -1 },
3252 [HDA_PCM_TYPE_SPDIF] = { 1, -1 },
3253 [HDA_PCM_TYPE_HDMI] = { 3, 7, 8, 9, -1 },
3254 [HDA_PCM_TYPE_MODEM] = { 6, -1 },
3258 if (type >= HDA_PCM_NTYPES) {
3259 dev_err(bus->card->dev, "Invalid PCM type %d\n", type);
3263 for (i = 0; audio_idx[type][i] >= 0; i++) {
3264 #ifndef CONFIG_SND_DYNAMIC_MINORS
3265 if (audio_idx[type][i] >= 8)
3268 if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits))
3269 return audio_idx[type][i];
3272 #ifdef CONFIG_SND_DYNAMIC_MINORS
3273 /* non-fixed slots starting from 10 */
3274 for (i = 10; i < 32; i++) {
3275 if (!test_and_set_bit(i, bus->pcm_dev_bits))
3280 dev_warn(bus->card->dev, "Too many %s devices\n",
3281 snd_hda_pcm_type_name[type]);
3282 #ifndef CONFIG_SND_DYNAMIC_MINORS
3283 dev_warn(bus->card->dev,
3284 "Consider building the kernel with CONFIG_SND_DYNAMIC_MINORS=y\n");
3289 /* call build_pcms ops of the given codec and set up the default parameters */
3290 int snd_hda_codec_parse_pcms(struct hda_codec *codec)
3292 struct hda_pcm *cpcm;
3295 if (!list_empty(&codec->pcm_list_head))
3296 return 0; /* already parsed */
3298 if (!codec->patch_ops.build_pcms)
3301 err = codec->patch_ops.build_pcms(codec);
3303 codec_err(codec, "cannot build PCMs for #%d (error %d)\n",
3304 codec->core.addr, err);
3308 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3311 for (stream = 0; stream < 2; stream++) {
3312 struct hda_pcm_stream *info = &cpcm->stream[stream];
3314 if (!info->substreams)
3316 err = set_pcm_default_values(codec, info);
3319 "fail to setup default for PCM %s\n",
3328 EXPORT_SYMBOL_GPL(snd_hda_codec_parse_pcms);
3330 /* assign all PCMs of the given codec */
3331 int snd_hda_codec_build_pcms(struct hda_codec *codec)
3333 struct hda_bus *bus = codec->bus;
3334 struct hda_pcm *cpcm;
3337 err = snd_hda_codec_parse_pcms(codec);
3341 /* attach a new PCM streams */
3342 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3344 continue; /* already attached */
3345 if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
3346 continue; /* no substreams assigned */
3348 dev = get_empty_pcm_device(bus, cpcm->pcm_type);
3350 cpcm->device = SNDRV_PCM_INVALID_DEVICE;
3351 continue; /* no fatal error */
3354 err = snd_hda_attach_pcm_stream(bus, codec, cpcm);
3357 "cannot attach PCM stream %d for codec #%d\n",
3358 dev, codec->core.addr);
3359 continue; /* no fatal error */
3367 * snd_hda_add_new_ctls - create controls from the array
3368 * @codec: the HDA codec
3369 * @knew: the array of struct snd_kcontrol_new
3371 * This helper function creates and add new controls in the given array.
3372 * The array must be terminated with an empty entry as terminator.
3374 * Returns 0 if successful, or a negative error code.
3376 int snd_hda_add_new_ctls(struct hda_codec *codec,
3377 const struct snd_kcontrol_new *knew)
3381 for (; knew->name; knew++) {
3382 struct snd_kcontrol *kctl;
3383 int addr = 0, idx = 0;
3384 if (knew->iface == (__force snd_ctl_elem_iface_t)-1)
3385 continue; /* skip this codec private value */
3387 kctl = snd_ctl_new1(knew, codec);
3391 kctl->id.device = addr;
3393 kctl->id.index = idx;
3394 err = snd_hda_ctl_add(codec, 0, kctl);
3397 /* try first with another device index corresponding to
3398 * the codec addr; if it still fails (or it's the
3399 * primary codec), then try another control index
3401 if (!addr && codec->core.addr)
3402 addr = codec->core.addr;
3403 else if (!idx && !knew->index) {
3404 idx = find_empty_mixer_ctl_idx(codec,
3414 EXPORT_SYMBOL_GPL(snd_hda_add_new_ctls);
3418 * snd_hda_codec_set_power_save - Configure codec's runtime PM
3419 * @codec: codec device to configure
3420 * @delay: autosuspend delay
3422 void snd_hda_codec_set_power_save(struct hda_codec *codec, int delay)
3424 struct device *dev = hda_codec_dev(codec);
3426 if (delay == 0 && codec->auto_runtime_pm)
3430 pm_runtime_set_autosuspend_delay(dev, delay);
3431 pm_runtime_use_autosuspend(dev);
3432 pm_runtime_allow(dev);
3433 if (!pm_runtime_suspended(dev))
3434 pm_runtime_mark_last_busy(dev);
3436 pm_runtime_dont_use_autosuspend(dev);
3437 pm_runtime_forbid(dev);
3440 EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_save);
3443 * snd_hda_set_power_save - reprogram autosuspend for the given delay
3444 * @bus: HD-audio bus
3445 * @delay: autosuspend delay in msec, 0 = off
3447 * Synchronize the runtime PM autosuspend state from the power_save option.
3449 void snd_hda_set_power_save(struct hda_bus *bus, int delay)
3451 struct hda_codec *c;
3453 list_for_each_codec(c, bus)
3454 snd_hda_codec_set_power_save(c, delay);
3456 EXPORT_SYMBOL_GPL(snd_hda_set_power_save);
3459 * snd_hda_check_amp_list_power - Check the amp list and update the power
3460 * @codec: HD-audio codec
3461 * @check: the object containing an AMP list and the status
3462 * @nid: NID to check / update
3464 * Check whether the given NID is in the amp list. If it's in the list,
3465 * check the current AMP status, and update the power-status according
3466 * to the mute status.
3468 * This function is supposed to be set or called from the check_power_status
3471 int snd_hda_check_amp_list_power(struct hda_codec *codec,
3472 struct hda_loopback_check *check,
3475 const struct hda_amp_list *p;
3478 if (!check->amplist)
3480 for (p = check->amplist; p->nid; p++) {
3485 return 0; /* nothing changed */
3487 for (p = check->amplist; p->nid; p++) {
3488 for (ch = 0; ch < 2; ch++) {
3489 v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
3491 if (!(v & HDA_AMP_MUTE) && v > 0) {
3492 if (!check->power_on) {
3493 check->power_on = 1;
3494 snd_hda_power_up_pm(codec);
3500 if (check->power_on) {
3501 check->power_on = 0;
3502 snd_hda_power_down_pm(codec);
3506 EXPORT_SYMBOL_GPL(snd_hda_check_amp_list_power);
3514 * snd_hda_input_mux_info - Info callback helper for the input-mux enum
3515 * @imux: imux helper object
3516 * @uinfo: pointer to get/store the data
3518 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
3519 struct snd_ctl_elem_info *uinfo)
3523 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
3525 uinfo->value.enumerated.items = imux->num_items;
3526 if (!imux->num_items)
3528 index = uinfo->value.enumerated.item;
3529 if (index >= imux->num_items)
3530 index = imux->num_items - 1;
3531 strcpy(uinfo->value.enumerated.name, imux->items[index].label);
3534 EXPORT_SYMBOL_GPL(snd_hda_input_mux_info);
3537 * snd_hda_input_mux_put - Put callback helper for the input-mux enum
3538 * @codec: the HDA codec
3539 * @imux: imux helper object
3540 * @ucontrol: pointer to get/store the data
3541 * @nid: input mux NID
3542 * @cur_val: pointer to get/store the current imux value
3544 int snd_hda_input_mux_put(struct hda_codec *codec,
3545 const struct hda_input_mux *imux,
3546 struct snd_ctl_elem_value *ucontrol,
3548 unsigned int *cur_val)
3552 if (!imux->num_items)
3554 idx = ucontrol->value.enumerated.item[0];
3555 if (idx >= imux->num_items)
3556 idx = imux->num_items - 1;
3557 if (*cur_val == idx)
3559 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
3560 imux->items[idx].index);
3564 EXPORT_SYMBOL_GPL(snd_hda_input_mux_put);
3568 * snd_hda_enum_helper_info - Helper for simple enum ctls
3569 * @kcontrol: ctl element
3570 * @uinfo: pointer to get/store the data
3571 * @num_items: number of enum items
3572 * @texts: enum item string array
3574 * process kcontrol info callback of a simple string enum array
3575 * when @num_items is 0 or @texts is NULL, assume a boolean enum array
3577 int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
3578 struct snd_ctl_elem_info *uinfo,
3579 int num_items, const char * const *texts)
3581 static const char * const texts_default[] = {
3582 "Disabled", "Enabled"
3585 if (!texts || !num_items) {
3587 texts = texts_default;
3590 return snd_ctl_enum_info(uinfo, 1, num_items, texts);
3592 EXPORT_SYMBOL_GPL(snd_hda_enum_helper_info);
3595 * Multi-channel / digital-out PCM helper functions
3598 /* setup SPDIF output stream */
3599 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
3600 unsigned int stream_tag, unsigned int format)
3602 struct hda_spdif_out *spdif;
3603 unsigned int curr_fmt;
3606 spdif = snd_hda_spdif_out_of_nid(codec, nid);
3607 /* Add sanity check to pass klockwork check.
3608 * This should never happen.
3610 if (WARN_ON(spdif == NULL))
3613 curr_fmt = snd_hda_codec_read(codec, nid, 0,
3614 AC_VERB_GET_STREAM_FORMAT, 0);
3615 reset = codec->spdif_status_reset &&
3616 (spdif->ctls & AC_DIG1_ENABLE) &&
3619 /* turn off SPDIF if needed; otherwise the IEC958 bits won't be
3622 set_dig_out_convert(codec, nid,
3623 spdif->ctls & ~AC_DIG1_ENABLE & 0xff,
3625 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
3626 if (codec->follower_dig_outs) {
3628 for (d = codec->follower_dig_outs; *d; d++)
3629 snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
3632 /* turn on again (if needed) */
3634 set_dig_out_convert(codec, nid,
3635 spdif->ctls & 0xff, -1);
3638 static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
3640 snd_hda_codec_cleanup_stream(codec, nid);
3641 if (codec->follower_dig_outs) {
3643 for (d = codec->follower_dig_outs; *d; d++)
3644 snd_hda_codec_cleanup_stream(codec, *d);
3649 * snd_hda_multi_out_dig_open - open the digital out in the exclusive mode
3650 * @codec: the HDA codec
3651 * @mout: hda_multi_out object
3653 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
3654 struct hda_multi_out *mout)
3656 mutex_lock(&codec->spdif_mutex);
3657 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
3658 /* already opened as analog dup; reset it once */
3659 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3660 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
3661 mutex_unlock(&codec->spdif_mutex);
3664 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_open);
3667 * snd_hda_multi_out_dig_prepare - prepare the digital out stream
3668 * @codec: the HDA codec
3669 * @mout: hda_multi_out object
3670 * @stream_tag: stream tag to assign
3671 * @format: format id to assign
3672 * @substream: PCM substream to assign
3674 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
3675 struct hda_multi_out *mout,
3676 unsigned int stream_tag,
3677 unsigned int format,
3678 struct snd_pcm_substream *substream)
3680 mutex_lock(&codec->spdif_mutex);
3681 setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
3682 mutex_unlock(&codec->spdif_mutex);
3685 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_prepare);
3688 * snd_hda_multi_out_dig_cleanup - clean-up the digital out stream
3689 * @codec: the HDA codec
3690 * @mout: hda_multi_out object
3692 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
3693 struct hda_multi_out *mout)
3695 mutex_lock(&codec->spdif_mutex);
3696 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3697 mutex_unlock(&codec->spdif_mutex);
3700 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_cleanup);
3703 * snd_hda_multi_out_dig_close - release the digital out stream
3704 * @codec: the HDA codec
3705 * @mout: hda_multi_out object
3707 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
3708 struct hda_multi_out *mout)
3710 mutex_lock(&codec->spdif_mutex);
3711 mout->dig_out_used = 0;
3712 mutex_unlock(&codec->spdif_mutex);
3715 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_close);
3718 * snd_hda_multi_out_analog_open - open analog outputs
3719 * @codec: the HDA codec
3720 * @mout: hda_multi_out object
3721 * @substream: PCM substream to assign
3722 * @hinfo: PCM information to assign
3724 * Open analog outputs and set up the hw-constraints.
3725 * If the digital outputs can be opened as follower, open the digital
3728 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
3729 struct hda_multi_out *mout,
3730 struct snd_pcm_substream *substream,
3731 struct hda_pcm_stream *hinfo)
3733 struct snd_pcm_runtime *runtime = substream->runtime;
3734 runtime->hw.channels_max = mout->max_channels;
3735 if (mout->dig_out_nid) {
3736 if (!mout->analog_rates) {
3737 mout->analog_rates = hinfo->rates;
3738 mout->analog_formats = hinfo->formats;
3739 mout->analog_maxbps = hinfo->maxbps;
3741 runtime->hw.rates = mout->analog_rates;
3742 runtime->hw.formats = mout->analog_formats;
3743 hinfo->maxbps = mout->analog_maxbps;
3745 if (!mout->spdif_rates) {
3746 snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
3748 &mout->spdif_formats,
3749 &mout->spdif_maxbps);
3751 mutex_lock(&codec->spdif_mutex);
3752 if (mout->share_spdif) {
3753 if ((runtime->hw.rates & mout->spdif_rates) &&
3754 (runtime->hw.formats & mout->spdif_formats)) {
3755 runtime->hw.rates &= mout->spdif_rates;
3756 runtime->hw.formats &= mout->spdif_formats;
3757 if (mout->spdif_maxbps < hinfo->maxbps)
3758 hinfo->maxbps = mout->spdif_maxbps;
3760 mout->share_spdif = 0;
3761 /* FIXME: need notify? */
3764 mutex_unlock(&codec->spdif_mutex);
3766 return snd_pcm_hw_constraint_step(substream->runtime, 0,
3767 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
3769 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_open);
3772 * snd_hda_multi_out_analog_prepare - Preapre the analog outputs.
3773 * @codec: the HDA codec
3774 * @mout: hda_multi_out object
3775 * @stream_tag: stream tag to assign
3776 * @format: format id to assign
3777 * @substream: PCM substream to assign
3779 * Set up the i/o for analog out.
3780 * When the digital out is available, copy the front out to digital out, too.
3782 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
3783 struct hda_multi_out *mout,
3784 unsigned int stream_tag,
3785 unsigned int format,
3786 struct snd_pcm_substream *substream)
3788 const hda_nid_t *nids = mout->dac_nids;
3789 int chs = substream->runtime->channels;
3790 struct hda_spdif_out *spdif;
3793 mutex_lock(&codec->spdif_mutex);
3794 spdif = snd_hda_spdif_out_of_nid(codec, mout->dig_out_nid);
3795 if (mout->dig_out_nid && mout->share_spdif &&
3796 mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
3797 if (chs == 2 && spdif != NULL &&
3798 snd_hda_is_supported_format(codec, mout->dig_out_nid,
3800 !(spdif->status & IEC958_AES0_NONAUDIO)) {
3801 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
3802 setup_dig_out_stream(codec, mout->dig_out_nid,
3803 stream_tag, format);
3805 mout->dig_out_used = 0;
3806 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3809 mutex_unlock(&codec->spdif_mutex);
3812 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
3814 if (!mout->no_share_stream &&
3815 mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
3816 /* headphone out will just decode front left/right (stereo) */
3817 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
3819 /* extra outputs copied from front */
3820 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3821 if (!mout->no_share_stream && mout->hp_out_nid[i])
3822 snd_hda_codec_setup_stream(codec,
3823 mout->hp_out_nid[i],
3824 stream_tag, 0, format);
3827 for (i = 1; i < mout->num_dacs; i++) {
3828 if (chs >= (i + 1) * 2) /* independent out */
3829 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3831 else if (!mout->no_share_stream) /* copy front */
3832 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3836 /* extra surrounds */
3837 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) {
3839 if (!mout->extra_out_nid[i])
3841 if (chs >= (i + 1) * 2)
3843 else if (!mout->no_share_stream)
3845 snd_hda_codec_setup_stream(codec, mout->extra_out_nid[i],
3846 stream_tag, ch, format);
3851 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_prepare);
3854 * snd_hda_multi_out_analog_cleanup - clean up the setting for analog out
3855 * @codec: the HDA codec
3856 * @mout: hda_multi_out object
3858 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
3859 struct hda_multi_out *mout)
3861 const hda_nid_t *nids = mout->dac_nids;
3864 for (i = 0; i < mout->num_dacs; i++)
3865 snd_hda_codec_cleanup_stream(codec, nids[i]);
3867 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
3868 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3869 if (mout->hp_out_nid[i])
3870 snd_hda_codec_cleanup_stream(codec,
3871 mout->hp_out_nid[i]);
3872 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
3873 if (mout->extra_out_nid[i])
3874 snd_hda_codec_cleanup_stream(codec,
3875 mout->extra_out_nid[i]);
3876 mutex_lock(&codec->spdif_mutex);
3877 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
3878 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3879 mout->dig_out_used = 0;
3881 mutex_unlock(&codec->spdif_mutex);
3884 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_cleanup);
3887 * snd_hda_get_default_vref - Get the default (mic) VREF pin bits
3888 * @codec: the HDA codec
3889 * @pin: referred pin NID
3891 * Guess the suitable VREF pin bits to be set as the pin-control value.
3892 * Note: the function doesn't set the AC_PINCTL_IN_EN bit.
3894 unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin)
3896 unsigned int pincap;
3897 unsigned int oldval;
3898 oldval = snd_hda_codec_read(codec, pin, 0,
3899 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
3900 pincap = snd_hda_query_pin_caps(codec, pin);
3901 pincap = (pincap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3902 /* Exception: if the default pin setup is vref50, we give it priority */
3903 if ((pincap & AC_PINCAP_VREF_80) && oldval != PIN_VREF50)
3904 return AC_PINCTL_VREF_80;
3905 else if (pincap & AC_PINCAP_VREF_50)
3906 return AC_PINCTL_VREF_50;
3907 else if (pincap & AC_PINCAP_VREF_100)
3908 return AC_PINCTL_VREF_100;
3909 else if (pincap & AC_PINCAP_VREF_GRD)
3910 return AC_PINCTL_VREF_GRD;
3911 return AC_PINCTL_VREF_HIZ;
3913 EXPORT_SYMBOL_GPL(snd_hda_get_default_vref);
3916 * snd_hda_correct_pin_ctl - correct the pin ctl value for matching with the pin cap
3917 * @codec: the HDA codec
3918 * @pin: referred pin NID
3919 * @val: pin ctl value to audit
3921 unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
3922 hda_nid_t pin, unsigned int val)
3924 static const unsigned int cap_lists[][2] = {
3925 { AC_PINCTL_VREF_100, AC_PINCAP_VREF_100 },
3926 { AC_PINCTL_VREF_80, AC_PINCAP_VREF_80 },
3927 { AC_PINCTL_VREF_50, AC_PINCAP_VREF_50 },
3928 { AC_PINCTL_VREF_GRD, AC_PINCAP_VREF_GRD },
3934 cap = snd_hda_query_pin_caps(codec, pin);
3936 return val; /* don't know what to do... */
3938 if (val & AC_PINCTL_OUT_EN) {
3939 if (!(cap & AC_PINCAP_OUT))
3940 val &= ~(AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN);
3941 else if ((val & AC_PINCTL_HP_EN) && !(cap & AC_PINCAP_HP_DRV))
3942 val &= ~AC_PINCTL_HP_EN;
3945 if (val & AC_PINCTL_IN_EN) {
3946 if (!(cap & AC_PINCAP_IN))
3947 val &= ~(AC_PINCTL_IN_EN | AC_PINCTL_VREFEN);
3949 unsigned int vcap, vref;
3951 vcap = (cap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3952 vref = val & AC_PINCTL_VREFEN;
3953 for (i = 0; i < ARRAY_SIZE(cap_lists); i++) {
3954 if (vref == cap_lists[i][0] &&
3955 !(vcap & cap_lists[i][1])) {
3956 if (i == ARRAY_SIZE(cap_lists) - 1)
3957 vref = AC_PINCTL_VREF_HIZ;
3959 vref = cap_lists[i + 1][0];
3962 val &= ~AC_PINCTL_VREFEN;
3969 EXPORT_SYMBOL_GPL(snd_hda_correct_pin_ctl);
3972 * _snd_hda_set_pin_ctl - Helper to set pin ctl value
3973 * @codec: the HDA codec
3974 * @pin: referred pin NID
3975 * @val: pin control value to set
3976 * @cached: access over codec pinctl cache or direct write
3978 * This function is a helper to set a pin ctl value more safely.
3979 * It corrects the pin ctl value via snd_hda_correct_pin_ctl(), stores the
3980 * value in pin target array via snd_hda_codec_set_pin_target(), then
3981 * actually writes the value via either snd_hda_codec_write_cache() or
3982 * snd_hda_codec_write() depending on @cached flag.
3984 int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
3985 unsigned int val, bool cached)
3987 val = snd_hda_correct_pin_ctl(codec, pin, val);
3988 snd_hda_codec_set_pin_target(codec, pin, val);
3990 return snd_hda_codec_write_cache(codec, pin, 0,
3991 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3993 return snd_hda_codec_write(codec, pin, 0,
3994 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3996 EXPORT_SYMBOL_GPL(_snd_hda_set_pin_ctl);
3999 * snd_hda_add_imux_item - Add an item to input_mux
4000 * @codec: the HDA codec
4001 * @imux: imux helper object
4002 * @label: the name of imux item to assign
4003 * @index: index number of imux item to assign
4004 * @type_idx: pointer to store the resultant label index
4006 * When the same label is used already in the existing items, the number
4007 * suffix is appended to the label. This label index number is stored
4008 * to type_idx when non-NULL pointer is given.
4010 int snd_hda_add_imux_item(struct hda_codec *codec,
4011 struct hda_input_mux *imux, const char *label,
4012 int index, int *type_idx)
4014 int i, label_idx = 0;
4015 if (imux->num_items >= HDA_MAX_NUM_INPUTS) {
4016 codec_err(codec, "hda_codec: Too many imux items!\n");
4019 for (i = 0; i < imux->num_items; i++) {
4020 if (!strncmp(label, imux->items[i].label, strlen(label)))
4024 *type_idx = label_idx;
4026 snprintf(imux->items[imux->num_items].label,
4027 sizeof(imux->items[imux->num_items].label),
4028 "%s %d", label, label_idx);
4030 strscpy(imux->items[imux->num_items].label, label,
4031 sizeof(imux->items[imux->num_items].label));
4032 imux->items[imux->num_items].index = index;
4036 EXPORT_SYMBOL_GPL(snd_hda_add_imux_item);
4039 * snd_hda_bus_reset_codecs - Reset the bus
4040 * @bus: HD-audio bus
4042 void snd_hda_bus_reset_codecs(struct hda_bus *bus)
4044 struct hda_codec *codec;
4046 list_for_each_codec(codec, bus) {
4047 /* FIXME: maybe a better way needed for forced reset */
4048 if (current_work() != &codec->jackpoll_work.work)
4049 cancel_delayed_work_sync(&codec->jackpoll_work);
4051 if (hda_codec_is_power_on(codec)) {
4052 hda_call_codec_suspend(codec);
4053 hda_call_codec_resume(codec);
4060 * snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer
4061 * @pcm: PCM caps bits
4062 * @buf: the string buffer to write
4063 * @buflen: the max buffer length
4065 * used by hda_proc.c and hda_eld.c
4067 void snd_print_pcm_bits(int pcm, char *buf, int buflen)
4069 static const unsigned int bits[] = { 8, 16, 20, 24, 32 };
4072 for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++)
4073 if (pcm & (AC_SUPPCM_BITS_8 << i))
4074 j += scnprintf(buf + j, buflen - j, " %d", bits[i]);
4076 buf[j] = '\0'; /* necessary when j == 0 */
4078 EXPORT_SYMBOL_GPL(snd_print_pcm_bits);
4080 MODULE_DESCRIPTION("HDA codec core");
4081 MODULE_LICENSE("GPL");