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->depop_delay = -1;
935 codec->fixup_id = HDA_FIXUP_ID_NOT_SET;
936 codec->core.dev.release = snd_hda_codec_dev_release;
937 codec->core.exec_verb = codec_exec_verb;
938 codec->core.type = HDA_DEV_LEGACY;
940 mutex_init(&codec->spdif_mutex);
941 mutex_init(&codec->control_mutex);
942 snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 32);
943 snd_array_init(&codec->nids, sizeof(struct hda_nid_item), 32);
944 snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16);
945 snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16);
946 snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8);
947 snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16);
948 snd_array_init(&codec->jacktbl, sizeof(struct hda_jack_tbl), 16);
949 snd_array_init(&codec->verbs, sizeof(struct hda_verb *), 8);
950 INIT_LIST_HEAD(&codec->conn_list);
951 INIT_LIST_HEAD(&codec->pcm_list_head);
952 INIT_DELAYED_WORK(&codec->jackpoll_work, hda_jackpoll_work);
953 refcount_set(&codec->pcm_ref, 1);
954 init_waitqueue_head(&codec->remove_sleep);
958 EXPORT_SYMBOL_GPL(snd_hda_codec_device_init);
961 * snd_hda_codec_new - create a HDA codec
962 * @bus: the bus to assign
963 * @card: card for this codec
964 * @codec_addr: the codec address
965 * @codecp: the pointer to store the generated codec
967 * Returns 0 if successful, or a negative error code.
969 int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card,
970 unsigned int codec_addr, struct hda_codec **codecp)
972 struct hda_codec *codec;
975 codec = snd_hda_codec_device_init(bus, codec_addr, "hdaudioC%dD%d",
976 card->number, codec_addr);
978 return PTR_ERR(codec);
981 ret = snd_hda_codec_device_new(bus, card, codec_addr, *codecp, true);
983 put_device(hda_codec_dev(*codecp));
987 EXPORT_SYMBOL_GPL(snd_hda_codec_new);
989 int snd_hda_codec_device_new(struct hda_bus *bus, struct snd_card *card,
990 unsigned int codec_addr, struct hda_codec *codec,
996 static const struct snd_device_ops dev_ops = {
997 .dev_register = snd_hda_codec_dev_register,
998 .dev_free = snd_hda_codec_dev_free,
1001 dev_dbg(card->dev, "%s: entry\n", __func__);
1003 if (snd_BUG_ON(!bus))
1005 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
1009 codec->addr = codec_addr;
1012 codec->power_jiffies = jiffies;
1015 snd_hda_sysfs_init(codec);
1017 if (codec->bus->modelname) {
1018 codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL);
1019 if (!codec->modelname)
1023 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
1024 err = read_widget_caps(codec, fg);
1027 err = read_pin_defaults(codec);
1031 /* power-up all before initialization */
1032 hda_set_power_state(codec, AC_PWRST_D0);
1033 codec->core.dev.power.power_state = PMSG_ON;
1035 snd_hda_codec_proc_new(codec);
1037 snd_hda_create_hwdep(codec);
1039 sprintf(component, "HDA:%08x,%08x,%08x", codec->core.vendor_id,
1040 codec->core.subsystem_id, codec->core.revision_id);
1041 snd_component_add(card, component);
1043 if (snddev_managed) {
1044 /* ASoC features component management instead */
1045 err = snd_device_new(card, SNDRV_DEV_CODEC, codec, &dev_ops);
1051 /* PM runtime needs to be enabled later after binding codec */
1052 if (codec->core.dev.power.runtime_auto)
1053 pm_runtime_forbid(&codec->core.dev);
1055 /* Keep the usage_count consistent across subsequent probing */
1056 pm_runtime_get_noresume(&codec->core.dev);
1061 EXPORT_SYMBOL_GPL(snd_hda_codec_device_new);
1064 * snd_hda_codec_update_widgets - Refresh widget caps and pin defaults
1065 * @codec: the HDA codec
1067 * Forcibly refresh the all widget caps and the init pin configurations of
1070 int snd_hda_codec_update_widgets(struct hda_codec *codec)
1075 err = snd_hdac_refresh_widgets(&codec->core);
1079 /* Assume the function group node does not change,
1080 * only the widget nodes may change.
1082 kfree(codec->wcaps);
1083 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
1084 err = read_widget_caps(codec, fg);
1088 snd_array_free(&codec->init_pins);
1089 err = read_pin_defaults(codec);
1093 EXPORT_SYMBOL_GPL(snd_hda_codec_update_widgets);
1095 /* update the stream-id if changed */
1096 static void update_pcm_stream_id(struct hda_codec *codec,
1097 struct hda_cvt_setup *p, hda_nid_t nid,
1098 u32 stream_tag, int channel_id)
1100 unsigned int oldval, newval;
1102 if (p->stream_tag != stream_tag || p->channel_id != channel_id) {
1103 oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
1104 newval = (stream_tag << 4) | channel_id;
1105 if (oldval != newval)
1106 snd_hda_codec_write(codec, nid, 0,
1107 AC_VERB_SET_CHANNEL_STREAMID,
1109 p->stream_tag = stream_tag;
1110 p->channel_id = channel_id;
1114 /* update the format-id if changed */
1115 static void update_pcm_format(struct hda_codec *codec, struct hda_cvt_setup *p,
1116 hda_nid_t nid, int format)
1118 unsigned int oldval;
1120 if (p->format_id != format) {
1121 oldval = snd_hda_codec_read(codec, nid, 0,
1122 AC_VERB_GET_STREAM_FORMAT, 0);
1123 if (oldval != format) {
1125 snd_hda_codec_write(codec, nid, 0,
1126 AC_VERB_SET_STREAM_FORMAT,
1129 p->format_id = format;
1134 * snd_hda_codec_setup_stream - set up the codec for streaming
1135 * @codec: the CODEC to set up
1136 * @nid: the NID to set up
1137 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
1138 * @channel_id: channel id to pass, zero based.
1139 * @format: stream format.
1141 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
1143 int channel_id, int format)
1145 struct hda_codec *c;
1146 struct hda_cvt_setup *p;
1154 "hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
1155 nid, stream_tag, channel_id, format);
1156 p = get_hda_cvt_setup(codec, nid);
1160 if (codec->patch_ops.stream_pm)
1161 codec->patch_ops.stream_pm(codec, nid, true);
1162 if (codec->pcm_format_first)
1163 update_pcm_format(codec, p, nid, format);
1164 update_pcm_stream_id(codec, p, nid, stream_tag, channel_id);
1165 if (!codec->pcm_format_first)
1166 update_pcm_format(codec, p, nid, format);
1171 /* make other inactive cvts with the same stream-tag dirty */
1172 type = get_wcaps_type(get_wcaps(codec, nid));
1173 list_for_each_codec(c, codec->bus) {
1174 snd_array_for_each(&c->cvt_setups, i, p) {
1175 if (!p->active && p->stream_tag == stream_tag &&
1176 get_wcaps_type(get_wcaps(c, p->nid)) == type)
1181 EXPORT_SYMBOL_GPL(snd_hda_codec_setup_stream);
1183 static void really_cleanup_stream(struct hda_codec *codec,
1184 struct hda_cvt_setup *q);
1187 * __snd_hda_codec_cleanup_stream - clean up the codec for closing
1188 * @codec: the CODEC to clean up
1189 * @nid: the NID to clean up
1190 * @do_now: really clean up the stream instead of clearing the active flag
1192 void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
1195 struct hda_cvt_setup *p;
1200 if (codec->no_sticky_stream)
1203 codec_dbg(codec, "hda_codec_cleanup_stream: NID=0x%x\n", nid);
1204 p = get_hda_cvt_setup(codec, nid);
1206 /* here we just clear the active flag when do_now isn't set;
1207 * actual clean-ups will be done later in
1208 * purify_inactive_streams() called from snd_hda_codec_prpapre()
1211 really_cleanup_stream(codec, p);
1216 EXPORT_SYMBOL_GPL(__snd_hda_codec_cleanup_stream);
1218 static void really_cleanup_stream(struct hda_codec *codec,
1219 struct hda_cvt_setup *q)
1221 hda_nid_t nid = q->nid;
1222 if (q->stream_tag || q->channel_id)
1223 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1225 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0
1227 memset(q, 0, sizeof(*q));
1229 if (codec->patch_ops.stream_pm)
1230 codec->patch_ops.stream_pm(codec, nid, false);
1233 /* clean up the all conflicting obsolete streams */
1234 static void purify_inactive_streams(struct hda_codec *codec)
1236 struct hda_codec *c;
1237 struct hda_cvt_setup *p;
1240 list_for_each_codec(c, codec->bus) {
1241 snd_array_for_each(&c->cvt_setups, i, p) {
1243 really_cleanup_stream(c, p);
1249 /* clean up all streams; called from suspend */
1250 static void hda_cleanup_all_streams(struct hda_codec *codec)
1252 struct hda_cvt_setup *p;
1255 snd_array_for_each(&codec->cvt_setups, i, p) {
1257 really_cleanup_stream(codec, p);
1263 * amp access functions
1267 * query_amp_caps - query AMP capabilities
1268 * @codec: the HD-auio codec
1269 * @nid: the NID to query
1270 * @direction: either #HDA_INPUT or #HDA_OUTPUT
1272 * Query AMP capabilities for the given widget and direction.
1273 * Returns the obtained capability bits.
1275 * When cap bits have been already read, this doesn't read again but
1276 * returns the cached value.
1278 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
1280 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
1281 nid = codec->core.afg;
1282 return snd_hda_param_read(codec, nid,
1283 direction == HDA_OUTPUT ?
1284 AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
1286 EXPORT_SYMBOL_GPL(query_amp_caps);
1289 * snd_hda_check_amp_caps - query AMP capabilities
1290 * @codec: the HD-audio codec
1291 * @nid: the NID to query
1292 * @dir: either #HDA_INPUT or #HDA_OUTPUT
1293 * @bits: bit mask to check the result
1295 * Check whether the widget has the given amp capability for the direction.
1297 bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
1298 int dir, unsigned int bits)
1302 if (get_wcaps(codec, nid) & (1 << (dir + 1)))
1303 if (query_amp_caps(codec, nid, dir) & bits)
1307 EXPORT_SYMBOL_GPL(snd_hda_check_amp_caps);
1310 * snd_hda_override_amp_caps - Override the AMP capabilities
1311 * @codec: the CODEC to clean up
1312 * @nid: the NID to clean up
1313 * @dir: either #HDA_INPUT or #HDA_OUTPUT
1314 * @caps: the capability bits to set
1316 * Override the cached AMP caps bits value by the given one.
1317 * This function is useful if the driver needs to adjust the AMP ranges,
1318 * e.g. limit to 0dB, etc.
1320 * Returns zero if successful or a negative error code.
1322 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
1327 snd_hda_override_wcaps(codec, nid,
1328 get_wcaps(codec, nid) | AC_WCAP_AMP_OVRD);
1329 parm = dir == HDA_OUTPUT ? AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP;
1330 return snd_hdac_override_parm(&codec->core, nid, parm, caps);
1332 EXPORT_SYMBOL_GPL(snd_hda_override_amp_caps);
1334 static unsigned int encode_amp(struct hda_codec *codec, hda_nid_t nid,
1335 int ch, int dir, int idx)
1337 unsigned int cmd = snd_hdac_regmap_encode_amp(nid, ch, dir, idx);
1339 /* enable fake mute if no h/w mute but min=mute */
1340 if ((query_amp_caps(codec, nid, dir) &
1341 (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) == AC_AMPCAP_MIN_MUTE)
1342 cmd |= AC_AMP_FAKE_MUTE;
1347 * snd_hda_codec_amp_update - update the AMP mono value
1348 * @codec: HD-audio codec
1349 * @nid: NID to read the AMP value
1350 * @ch: channel to update (0 or 1)
1351 * @dir: #HDA_INPUT or #HDA_OUTPUT
1352 * @idx: the index value (only for input direction)
1353 * @mask: bit mask to set
1354 * @val: the bits value to set
1356 * Update the AMP values for the given channel, direction and index.
1358 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid,
1359 int ch, int dir, int idx, int mask, int val)
1361 unsigned int cmd = encode_amp(codec, nid, ch, dir, idx);
1363 return snd_hdac_regmap_update_raw(&codec->core, cmd, mask, val);
1365 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_update);
1368 * snd_hda_codec_amp_stereo - update the AMP stereo values
1369 * @codec: HD-audio codec
1370 * @nid: NID to read the AMP value
1371 * @direction: #HDA_INPUT or #HDA_OUTPUT
1372 * @idx: the index value (only for input direction)
1373 * @mask: bit mask to set
1374 * @val: the bits value to set
1376 * Update the AMP values like snd_hda_codec_amp_update(), but for a
1377 * stereo widget with the same mask and value.
1379 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
1380 int direction, int idx, int mask, int val)
1384 if (snd_BUG_ON(mask & ~0xff))
1386 for (ch = 0; ch < 2; ch++)
1387 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
1391 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_stereo);
1394 * snd_hda_codec_amp_init - initialize the AMP value
1395 * @codec: the HDA codec
1396 * @nid: NID to read the AMP value
1397 * @ch: channel (left=0 or right=1)
1398 * @dir: #HDA_INPUT or #HDA_OUTPUT
1399 * @idx: the index value (only for input direction)
1400 * @mask: bit mask to set
1401 * @val: the bits value to set
1403 * Works like snd_hda_codec_amp_update() but it writes the value only at
1404 * the first access. If the amp was already initialized / updated beforehand,
1405 * this does nothing.
1407 int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
1408 int dir, int idx, int mask, int val)
1410 unsigned int cmd = encode_amp(codec, nid, ch, dir, idx);
1412 if (!codec->core.regmap)
1414 return snd_hdac_regmap_update_raw_once(&codec->core, cmd, mask, val);
1416 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init);
1419 * snd_hda_codec_amp_init_stereo - initialize the stereo AMP value
1420 * @codec: the HDA codec
1421 * @nid: NID to read the AMP value
1422 * @dir: #HDA_INPUT or #HDA_OUTPUT
1423 * @idx: the index value (only for input direction)
1424 * @mask: bit mask to set
1425 * @val: the bits value to set
1427 * Call snd_hda_codec_amp_init() for both stereo channels.
1429 int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
1430 int dir, int idx, int mask, int val)
1434 if (snd_BUG_ON(mask & ~0xff))
1436 for (ch = 0; ch < 2; ch++)
1437 ret |= snd_hda_codec_amp_init(codec, nid, ch, dir,
1441 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init_stereo);
1443 static u32 get_amp_max_value(struct hda_codec *codec, hda_nid_t nid, int dir,
1446 u32 caps = query_amp_caps(codec, nid, dir);
1448 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1455 * snd_hda_mixer_amp_volume_info - Info callback for a standard AMP mixer
1456 * @kcontrol: referred ctl element
1457 * @uinfo: pointer to get/store the data
1459 * The control element is supposed to have the private_value field
1460 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1462 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
1463 struct snd_ctl_elem_info *uinfo)
1465 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1466 u16 nid = get_amp_nid(kcontrol);
1467 u8 chs = get_amp_channels(kcontrol);
1468 int dir = get_amp_direction(kcontrol);
1469 unsigned int ofs = get_amp_offset(kcontrol);
1471 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1472 uinfo->count = chs == 3 ? 2 : 1;
1473 uinfo->value.integer.min = 0;
1474 uinfo->value.integer.max = get_amp_max_value(codec, nid, dir, ofs);
1475 if (!uinfo->value.integer.max) {
1477 "num_steps = 0 for NID=0x%x (ctl = %s)\n",
1478 nid, kcontrol->id.name);
1483 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_info);
1486 static inline unsigned int
1487 read_amp_value(struct hda_codec *codec, hda_nid_t nid,
1488 int ch, int dir, int idx, unsigned int ofs)
1491 val = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
1492 val &= HDA_AMP_VOLMASK;
1501 update_amp_value(struct hda_codec *codec, hda_nid_t nid,
1502 int ch, int dir, int idx, unsigned int ofs,
1505 unsigned int maxval;
1509 /* ofs = 0: raw max value */
1510 maxval = get_amp_max_value(codec, nid, dir, 0);
1513 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx,
1514 HDA_AMP_VOLMASK, val);
1518 * snd_hda_mixer_amp_volume_get - Get callback for a standard AMP mixer volume
1519 * @kcontrol: ctl element
1520 * @ucontrol: pointer to get/store the data
1522 * The control element is supposed to have the private_value field
1523 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1525 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
1526 struct snd_ctl_elem_value *ucontrol)
1528 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1529 hda_nid_t nid = get_amp_nid(kcontrol);
1530 int chs = get_amp_channels(kcontrol);
1531 int dir = get_amp_direction(kcontrol);
1532 int idx = get_amp_index(kcontrol);
1533 unsigned int ofs = get_amp_offset(kcontrol);
1534 long *valp = ucontrol->value.integer.value;
1537 *valp++ = read_amp_value(codec, nid, 0, dir, idx, ofs);
1539 *valp = read_amp_value(codec, nid, 1, dir, idx, ofs);
1542 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_get);
1545 * snd_hda_mixer_amp_volume_put - Put callback for a standard AMP mixer volume
1546 * @kcontrol: ctl element
1547 * @ucontrol: pointer to get/store the data
1549 * The control element is supposed to have the private_value field
1550 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1552 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1553 struct snd_ctl_elem_value *ucontrol)
1555 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1556 hda_nid_t nid = get_amp_nid(kcontrol);
1557 int chs = get_amp_channels(kcontrol);
1558 int dir = get_amp_direction(kcontrol);
1559 int idx = get_amp_index(kcontrol);
1560 unsigned int ofs = get_amp_offset(kcontrol);
1561 long *valp = ucontrol->value.integer.value;
1565 change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp);
1569 change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp);
1572 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_put);
1574 /* inquiry the amp caps and convert to TLV */
1575 static void get_ctl_amp_tlv(struct snd_kcontrol *kcontrol, unsigned int *tlv)
1577 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1578 hda_nid_t nid = get_amp_nid(kcontrol);
1579 int dir = get_amp_direction(kcontrol);
1580 unsigned int ofs = get_amp_offset(kcontrol);
1581 bool min_mute = get_amp_min_mute(kcontrol);
1582 u32 caps, val1, val2;
1584 caps = query_amp_caps(codec, nid, dir);
1585 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1586 val2 = (val2 + 1) * 25;
1587 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1589 val1 = ((int)val1) * ((int)val2);
1590 if (min_mute || (caps & AC_AMPCAP_MIN_MUTE))
1591 val2 |= TLV_DB_SCALE_MUTE;
1592 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1593 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1594 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = val1;
1595 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = val2;
1599 * snd_hda_mixer_amp_tlv - TLV callback for a standard AMP mixer volume
1600 * @kcontrol: ctl element
1601 * @op_flag: operation flag
1602 * @size: byte size of input TLV
1605 * The control element is supposed to have the private_value field
1606 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1608 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1609 unsigned int size, unsigned int __user *_tlv)
1611 unsigned int tlv[4];
1613 if (size < 4 * sizeof(unsigned int))
1615 get_ctl_amp_tlv(kcontrol, tlv);
1616 if (copy_to_user(_tlv, tlv, sizeof(tlv)))
1620 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_tlv);
1623 * snd_hda_set_vmaster_tlv - Set TLV for a virtual master control
1624 * @codec: HD-audio codec
1625 * @nid: NID of a reference widget
1626 * @dir: #HDA_INPUT or #HDA_OUTPUT
1627 * @tlv: TLV data to be stored, at least 4 elements
1629 * Set (static) TLV data for a virtual master volume using the AMP caps
1630 * obtained from the reference NID.
1631 * The volume range is recalculated as if the max volume is 0dB.
1633 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1639 caps = query_amp_caps(codec, nid, dir);
1640 nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1641 step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1642 step = (step + 1) * 25;
1643 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1644 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1645 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = -nums * step;
1646 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = step;
1648 EXPORT_SYMBOL_GPL(snd_hda_set_vmaster_tlv);
1650 /* find a mixer control element with the given name */
1651 static struct snd_kcontrol *
1652 find_mixer_ctl(struct hda_codec *codec, const char *name, int dev, int idx)
1654 struct snd_ctl_elem_id id;
1655 memset(&id, 0, sizeof(id));
1656 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1659 if (snd_BUG_ON(strlen(name) >= sizeof(id.name)))
1661 strcpy(id.name, name);
1662 return snd_ctl_find_id(codec->card, &id);
1666 * snd_hda_find_mixer_ctl - Find a mixer control element with the given name
1667 * @codec: HD-audio codec
1668 * @name: ctl id name string
1670 * Get the control element with the given id string and IFACE_MIXER.
1672 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1675 return find_mixer_ctl(codec, name, 0, 0);
1677 EXPORT_SYMBOL_GPL(snd_hda_find_mixer_ctl);
1679 static int find_empty_mixer_ctl_idx(struct hda_codec *codec, const char *name,
1683 /* 16 ctlrs should be large enough */
1684 for (i = 0, idx = start_idx; i < 16; i++, idx++) {
1685 if (!find_mixer_ctl(codec, name, 0, idx))
1692 * snd_hda_ctl_add - Add a control element and assign to the codec
1693 * @codec: HD-audio codec
1694 * @nid: corresponding NID (optional)
1695 * @kctl: the control element to assign
1697 * Add the given control element to an array inside the codec instance.
1698 * All control elements belonging to a codec are supposed to be added
1699 * by this function so that a proper clean-up works at the free or
1700 * reconfiguration time.
1702 * If non-zero @nid is passed, the NID is assigned to the control element.
1703 * The assignment is shown in the codec proc file.
1705 * snd_hda_ctl_add() checks the control subdev id field whether
1706 * #HDA_SUBDEV_NID_FLAG bit is set. If set (and @nid is zero), the lower
1707 * bits value is taken as the NID to assign. The #HDA_NID_ITEM_AMP bit
1708 * specifies if kctl->private_value is a HDA amplifier value.
1710 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
1711 struct snd_kcontrol *kctl)
1714 unsigned short flags = 0;
1715 struct hda_nid_item *item;
1717 if (kctl->id.subdevice & HDA_SUBDEV_AMP_FLAG) {
1718 flags |= HDA_NID_ITEM_AMP;
1720 nid = get_amp_nid_(kctl->private_value);
1722 if ((kctl->id.subdevice & HDA_SUBDEV_NID_FLAG) != 0 && nid == 0)
1723 nid = kctl->id.subdevice & 0xffff;
1724 if (kctl->id.subdevice & (HDA_SUBDEV_NID_FLAG|HDA_SUBDEV_AMP_FLAG))
1725 kctl->id.subdevice = 0;
1726 err = snd_ctl_add(codec->card, kctl);
1729 item = snd_array_new(&codec->mixers);
1734 item->flags = flags;
1737 EXPORT_SYMBOL_GPL(snd_hda_ctl_add);
1740 * snd_hda_add_nid - Assign a NID to a control element
1741 * @codec: HD-audio codec
1742 * @nid: corresponding NID (optional)
1743 * @kctl: the control element to assign
1744 * @index: index to kctl
1746 * Add the given control element to an array inside the codec instance.
1747 * This function is used when #snd_hda_ctl_add cannot be used for 1:1
1748 * NID:KCTL mapping - for example "Capture Source" selector.
1750 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
1751 unsigned int index, hda_nid_t nid)
1753 struct hda_nid_item *item;
1756 item = snd_array_new(&codec->nids);
1760 item->index = index;
1764 codec_err(codec, "no NID for mapping control %s:%d:%d\n",
1765 kctl->id.name, kctl->id.index, index);
1768 EXPORT_SYMBOL_GPL(snd_hda_add_nid);
1771 * snd_hda_ctls_clear - Clear all controls assigned to the given codec
1772 * @codec: HD-audio codec
1774 void snd_hda_ctls_clear(struct hda_codec *codec)
1777 struct hda_nid_item *items = codec->mixers.list;
1779 down_write(&codec->card->controls_rwsem);
1780 for (i = 0; i < codec->mixers.used; i++)
1781 snd_ctl_remove(codec->card, items[i].kctl);
1782 up_write(&codec->card->controls_rwsem);
1783 snd_array_free(&codec->mixers);
1784 snd_array_free(&codec->nids);
1788 * snd_hda_lock_devices - pseudo device locking
1791 * toggle card->shutdown to allow/disallow the device access (as a hack)
1793 int snd_hda_lock_devices(struct hda_bus *bus)
1795 struct snd_card *card = bus->card;
1796 struct hda_codec *codec;
1798 spin_lock(&card->files_lock);
1802 if (!list_empty(&card->ctl_files))
1805 list_for_each_codec(codec, bus) {
1806 struct hda_pcm *cpcm;
1807 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
1810 if (cpcm->pcm->streams[0].substream_opened ||
1811 cpcm->pcm->streams[1].substream_opened)
1815 spin_unlock(&card->files_lock);
1821 spin_unlock(&card->files_lock);
1824 EXPORT_SYMBOL_GPL(snd_hda_lock_devices);
1827 * snd_hda_unlock_devices - pseudo device unlocking
1830 void snd_hda_unlock_devices(struct hda_bus *bus)
1832 struct snd_card *card = bus->card;
1834 spin_lock(&card->files_lock);
1836 spin_unlock(&card->files_lock);
1838 EXPORT_SYMBOL_GPL(snd_hda_unlock_devices);
1841 * snd_hda_codec_reset - Clear all objects assigned to the codec
1842 * @codec: HD-audio codec
1844 * This frees the all PCM and control elements assigned to the codec, and
1845 * clears the caches and restores the pin default configurations.
1847 * When a device is being used, it returns -EBSY. If successfully freed,
1850 int snd_hda_codec_reset(struct hda_codec *codec)
1852 struct hda_bus *bus = codec->bus;
1854 if (snd_hda_lock_devices(bus) < 0)
1857 /* OK, let it free */
1858 device_release_driver(hda_codec_dev(codec));
1860 /* allow device access again */
1861 snd_hda_unlock_devices(bus);
1865 typedef int (*map_follower_func_t)(struct hda_codec *, void *, struct snd_kcontrol *);
1867 /* apply the function to all matching follower ctls in the mixer list */
1868 static int map_followers(struct hda_codec *codec, const char * const *followers,
1869 const char *suffix, map_follower_func_t func, void *data)
1871 struct hda_nid_item *items;
1872 const char * const *s;
1875 items = codec->mixers.list;
1876 for (i = 0; i < codec->mixers.used; i++) {
1877 struct snd_kcontrol *sctl = items[i].kctl;
1878 if (!sctl || sctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER)
1880 for (s = followers; *s; s++) {
1881 char tmpname[sizeof(sctl->id.name)];
1882 const char *name = *s;
1884 snprintf(tmpname, sizeof(tmpname), "%s %s",
1888 if (!strcmp(sctl->id.name, name)) {
1889 err = func(codec, data, sctl);
1899 static int check_follower_present(struct hda_codec *codec,
1900 void *data, struct snd_kcontrol *sctl)
1905 /* call kctl->put with the given value(s) */
1906 static int put_kctl_with_value(struct snd_kcontrol *kctl, int val)
1908 struct snd_ctl_elem_value *ucontrol;
1909 ucontrol = kzalloc(sizeof(*ucontrol), GFP_KERNEL);
1912 ucontrol->value.integer.value[0] = val;
1913 ucontrol->value.integer.value[1] = val;
1914 kctl->put(kctl, ucontrol);
1919 struct follower_init_arg {
1920 struct hda_codec *codec;
1924 /* initialize the follower volume with 0dB via snd_ctl_apply_vmaster_followers() */
1925 static int init_follower_0dB(struct snd_kcontrol *follower,
1926 struct snd_kcontrol *kctl,
1929 struct follower_init_arg *arg = _arg;
1931 const int *tlv = NULL;
1935 if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
1936 if (kctl->tlv.c != snd_hda_mixer_amp_tlv) {
1937 codec_err(arg->codec,
1938 "Unexpected TLV callback for follower %s:%d\n",
1939 kctl->id.name, kctl->id.index);
1940 return 0; /* ignore */
1942 get_ctl_amp_tlv(kctl, _tlv);
1944 } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ)
1947 if (!tlv || tlv[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE)
1950 step = tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP];
1951 step &= ~TLV_DB_SCALE_MUTE;
1954 if (arg->step && arg->step != step) {
1955 codec_err(arg->codec,
1956 "Mismatching dB step for vmaster follower (%d!=%d)\n",
1962 val = -tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] / step;
1964 put_kctl_with_value(follower, val);
1971 /* unmute the follower via snd_ctl_apply_vmaster_followers() */
1972 static int init_follower_unmute(struct snd_kcontrol *follower,
1973 struct snd_kcontrol *kctl,
1976 return put_kctl_with_value(follower, 1);
1979 static int add_follower(struct hda_codec *codec,
1980 void *data, struct snd_kcontrol *follower)
1982 return snd_ctl_add_follower(data, follower);
1986 * __snd_hda_add_vmaster - create a virtual master control and add followers
1987 * @codec: HD-audio codec
1988 * @name: vmaster control name
1989 * @tlv: TLV data (optional)
1990 * @followers: follower control names (optional)
1991 * @suffix: suffix string to each follower name (optional)
1992 * @init_follower_vol: initialize followers to unmute/0dB
1993 * @access: kcontrol access rights
1994 * @ctl_ret: store the vmaster kcontrol in return
1996 * Create a virtual master control with the given name. The TLV data
1997 * must be either NULL or a valid data.
1999 * @followers is a NULL-terminated array of strings, each of which is a
2000 * follower control name. All controls with these names are assigned to
2001 * the new virtual master control.
2003 * This function returns zero if successful or a negative error code.
2005 int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
2006 unsigned int *tlv, const char * const *followers,
2007 const char *suffix, bool init_follower_vol,
2008 unsigned int access, struct snd_kcontrol **ctl_ret)
2010 struct snd_kcontrol *kctl;
2016 err = map_followers(codec, followers, suffix, check_follower_present, NULL);
2018 codec_dbg(codec, "No follower found for %s\n", name);
2021 kctl = snd_ctl_make_virtual_master(name, tlv);
2024 kctl->vd[0].access |= access;
2025 err = snd_hda_ctl_add(codec, 0, kctl);
2029 err = map_followers(codec, followers, suffix, add_follower, kctl);
2033 /* init with master mute & zero volume */
2034 put_kctl_with_value(kctl, 0);
2035 if (init_follower_vol) {
2036 struct follower_init_arg arg = {
2040 snd_ctl_apply_vmaster_followers(kctl,
2041 tlv ? init_follower_0dB : init_follower_unmute,
2049 EXPORT_SYMBOL_GPL(__snd_hda_add_vmaster);
2051 /* meta hook to call each driver's vmaster hook */
2052 static void vmaster_hook(void *private_data, int enabled)
2054 struct hda_vmaster_mute_hook *hook = private_data;
2056 hook->hook(hook->codec, enabled);
2060 * snd_hda_add_vmaster_hook - Add a vmaster hw specific hook
2061 * @codec: the HDA codec
2062 * @hook: the vmaster hook object
2064 * Add a hw specific hook (like EAPD) with the given vmaster switch kctl.
2066 int snd_hda_add_vmaster_hook(struct hda_codec *codec,
2067 struct hda_vmaster_mute_hook *hook)
2069 if (!hook->hook || !hook->sw_kctl)
2071 hook->codec = codec;
2072 snd_ctl_add_vmaster_hook(hook->sw_kctl, vmaster_hook, hook);
2075 EXPORT_SYMBOL_GPL(snd_hda_add_vmaster_hook);
2078 * snd_hda_sync_vmaster_hook - Sync vmaster hook
2079 * @hook: the vmaster hook
2081 * Call the hook with the current value for synchronization.
2082 * Should be called in init callback.
2084 void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook)
2086 if (!hook->hook || !hook->codec)
2088 /* don't call vmaster hook in the destructor since it might have
2089 * been already destroyed
2091 if (hook->codec->bus->shutdown)
2093 snd_ctl_sync_vmaster_hook(hook->sw_kctl);
2095 EXPORT_SYMBOL_GPL(snd_hda_sync_vmaster_hook);
2099 * snd_hda_mixer_amp_switch_info - Info callback for a standard AMP mixer switch
2100 * @kcontrol: referred ctl element
2101 * @uinfo: pointer to get/store the data
2103 * The control element is supposed to have the private_value field
2104 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2106 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
2107 struct snd_ctl_elem_info *uinfo)
2109 int chs = get_amp_channels(kcontrol);
2111 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2112 uinfo->count = chs == 3 ? 2 : 1;
2113 uinfo->value.integer.min = 0;
2114 uinfo->value.integer.max = 1;
2117 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_info);
2120 * snd_hda_mixer_amp_switch_get - Get callback for a standard AMP mixer switch
2121 * @kcontrol: ctl element
2122 * @ucontrol: pointer to get/store the data
2124 * The control element is supposed to have the private_value field
2125 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2127 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
2128 struct snd_ctl_elem_value *ucontrol)
2130 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2131 hda_nid_t nid = get_amp_nid(kcontrol);
2132 int chs = get_amp_channels(kcontrol);
2133 int dir = get_amp_direction(kcontrol);
2134 int idx = get_amp_index(kcontrol);
2135 long *valp = ucontrol->value.integer.value;
2138 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
2139 HDA_AMP_MUTE) ? 0 : 1;
2141 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
2142 HDA_AMP_MUTE) ? 0 : 1;
2145 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_get);
2148 * snd_hda_mixer_amp_switch_put - Put callback for a standard AMP mixer switch
2149 * @kcontrol: ctl element
2150 * @ucontrol: pointer to get/store the data
2152 * The control element is supposed to have the private_value field
2153 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2155 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
2156 struct snd_ctl_elem_value *ucontrol)
2158 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2159 hda_nid_t nid = get_amp_nid(kcontrol);
2160 int chs = get_amp_channels(kcontrol);
2161 int dir = get_amp_direction(kcontrol);
2162 int idx = get_amp_index(kcontrol);
2163 long *valp = ucontrol->value.integer.value;
2167 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
2169 *valp ? 0 : HDA_AMP_MUTE);
2173 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
2175 *valp ? 0 : HDA_AMP_MUTE);
2176 hda_call_check_power_status(codec, nid);
2179 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put);
2182 * SPDIF out controls
2185 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
2186 struct snd_ctl_elem_info *uinfo)
2188 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2193 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
2194 struct snd_ctl_elem_value *ucontrol)
2196 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2197 IEC958_AES0_NONAUDIO |
2198 IEC958_AES0_CON_EMPHASIS_5015 |
2199 IEC958_AES0_CON_NOT_COPYRIGHT;
2200 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
2201 IEC958_AES1_CON_ORIGINAL;
2205 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
2206 struct snd_ctl_elem_value *ucontrol)
2208 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2209 IEC958_AES0_NONAUDIO |
2210 IEC958_AES0_PRO_EMPHASIS_5015;
2214 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
2215 struct snd_ctl_elem_value *ucontrol)
2217 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2218 int idx = kcontrol->private_value;
2219 struct hda_spdif_out *spdif;
2221 if (WARN_ON(codec->spdif_out.used <= idx))
2223 mutex_lock(&codec->spdif_mutex);
2224 spdif = snd_array_elem(&codec->spdif_out, idx);
2225 ucontrol->value.iec958.status[0] = spdif->status & 0xff;
2226 ucontrol->value.iec958.status[1] = (spdif->status >> 8) & 0xff;
2227 ucontrol->value.iec958.status[2] = (spdif->status >> 16) & 0xff;
2228 ucontrol->value.iec958.status[3] = (spdif->status >> 24) & 0xff;
2229 mutex_unlock(&codec->spdif_mutex);
2234 /* convert from SPDIF status bits to HDA SPDIF bits
2235 * bit 0 (DigEn) is always set zero (to be filled later)
2237 static unsigned short convert_from_spdif_status(unsigned int sbits)
2239 unsigned short val = 0;
2241 if (sbits & IEC958_AES0_PROFESSIONAL)
2242 val |= AC_DIG1_PROFESSIONAL;
2243 if (sbits & IEC958_AES0_NONAUDIO)
2244 val |= AC_DIG1_NONAUDIO;
2245 if (sbits & IEC958_AES0_PROFESSIONAL) {
2246 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
2247 IEC958_AES0_PRO_EMPHASIS_5015)
2248 val |= AC_DIG1_EMPHASIS;
2250 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
2251 IEC958_AES0_CON_EMPHASIS_5015)
2252 val |= AC_DIG1_EMPHASIS;
2253 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
2254 val |= AC_DIG1_COPYRIGHT;
2255 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
2256 val |= AC_DIG1_LEVEL;
2257 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
2262 /* convert to SPDIF status bits from HDA SPDIF bits
2264 static unsigned int convert_to_spdif_status(unsigned short val)
2266 unsigned int sbits = 0;
2268 if (val & AC_DIG1_NONAUDIO)
2269 sbits |= IEC958_AES0_NONAUDIO;
2270 if (val & AC_DIG1_PROFESSIONAL)
2271 sbits |= IEC958_AES0_PROFESSIONAL;
2272 if (sbits & IEC958_AES0_PROFESSIONAL) {
2273 if (val & AC_DIG1_EMPHASIS)
2274 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
2276 if (val & AC_DIG1_EMPHASIS)
2277 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
2278 if (!(val & AC_DIG1_COPYRIGHT))
2279 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
2280 if (val & AC_DIG1_LEVEL)
2281 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
2282 sbits |= val & (0x7f << 8);
2287 /* set digital convert verbs both for the given NID and its followers */
2288 static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
2293 snd_hdac_regmap_update(&codec->core, nid, AC_VERB_SET_DIGI_CONVERT_1,
2295 d = codec->follower_dig_outs;
2299 snd_hdac_regmap_update(&codec->core, *d,
2300 AC_VERB_SET_DIGI_CONVERT_1, mask, val);
2303 static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
2306 unsigned int mask = 0;
2307 unsigned int val = 0;
2317 set_dig_out(codec, nid, mask, val);
2320 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
2321 struct snd_ctl_elem_value *ucontrol)
2323 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2324 int idx = kcontrol->private_value;
2325 struct hda_spdif_out *spdif;
2330 if (WARN_ON(codec->spdif_out.used <= idx))
2332 mutex_lock(&codec->spdif_mutex);
2333 spdif = snd_array_elem(&codec->spdif_out, idx);
2335 spdif->status = ucontrol->value.iec958.status[0] |
2336 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
2337 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
2338 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
2339 val = convert_from_spdif_status(spdif->status);
2340 val |= spdif->ctls & 1;
2341 change = spdif->ctls != val;
2343 if (change && nid != (u16)-1)
2344 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
2345 mutex_unlock(&codec->spdif_mutex);
2349 #define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
2351 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
2352 struct snd_ctl_elem_value *ucontrol)
2354 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2355 int idx = kcontrol->private_value;
2356 struct hda_spdif_out *spdif;
2358 if (WARN_ON(codec->spdif_out.used <= idx))
2360 mutex_lock(&codec->spdif_mutex);
2361 spdif = snd_array_elem(&codec->spdif_out, idx);
2362 ucontrol->value.integer.value[0] = spdif->ctls & AC_DIG1_ENABLE;
2363 mutex_unlock(&codec->spdif_mutex);
2367 static inline void set_spdif_ctls(struct hda_codec *codec, hda_nid_t nid,
2370 set_dig_out_convert(codec, nid, dig1, dig2);
2371 /* unmute amp switch (if any) */
2372 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
2373 (dig1 & AC_DIG1_ENABLE))
2374 snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
2378 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
2379 struct snd_ctl_elem_value *ucontrol)
2381 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2382 int idx = kcontrol->private_value;
2383 struct hda_spdif_out *spdif;
2388 if (WARN_ON(codec->spdif_out.used <= idx))
2390 mutex_lock(&codec->spdif_mutex);
2391 spdif = snd_array_elem(&codec->spdif_out, idx);
2393 val = spdif->ctls & ~AC_DIG1_ENABLE;
2394 if (ucontrol->value.integer.value[0])
2395 val |= AC_DIG1_ENABLE;
2396 change = spdif->ctls != val;
2398 if (change && nid != (u16)-1)
2399 set_spdif_ctls(codec, nid, val & 0xff, -1);
2400 mutex_unlock(&codec->spdif_mutex);
2404 static const struct snd_kcontrol_new dig_mixes[] = {
2406 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2407 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2408 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
2409 .info = snd_hda_spdif_mask_info,
2410 .get = snd_hda_spdif_cmask_get,
2413 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2414 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2415 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
2416 .info = snd_hda_spdif_mask_info,
2417 .get = snd_hda_spdif_pmask_get,
2420 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2421 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
2422 .info = snd_hda_spdif_mask_info,
2423 .get = snd_hda_spdif_default_get,
2424 .put = snd_hda_spdif_default_put,
2427 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2428 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
2429 .info = snd_hda_spdif_out_switch_info,
2430 .get = snd_hda_spdif_out_switch_get,
2431 .put = snd_hda_spdif_out_switch_put,
2437 * snd_hda_create_dig_out_ctls - create Output SPDIF-related controls
2438 * @codec: the HDA codec
2439 * @associated_nid: NID that new ctls associated with
2440 * @cvt_nid: converter NID
2441 * @type: HDA_PCM_TYPE_*
2442 * Creates controls related with the digital output.
2443 * Called from each patch supporting the digital out.
2445 * Returns 0 if successful, or a negative error code.
2447 int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
2448 hda_nid_t associated_nid,
2453 struct snd_kcontrol *kctl;
2454 const struct snd_kcontrol_new *dig_mix;
2457 const int spdif_index = 16;
2458 struct hda_spdif_out *spdif;
2459 struct hda_bus *bus = codec->bus;
2461 if (bus->primary_dig_out_type == HDA_PCM_TYPE_HDMI &&
2462 type == HDA_PCM_TYPE_SPDIF) {
2464 } else if (bus->primary_dig_out_type == HDA_PCM_TYPE_SPDIF &&
2465 type == HDA_PCM_TYPE_HDMI) {
2466 /* suppose a single SPDIF device */
2467 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2468 kctl = find_mixer_ctl(codec, dig_mix->name, 0, 0);
2471 kctl->id.index = spdif_index;
2473 bus->primary_dig_out_type = HDA_PCM_TYPE_HDMI;
2475 if (!bus->primary_dig_out_type)
2476 bus->primary_dig_out_type = type;
2478 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Playback Switch", idx);
2480 codec_err(codec, "too many IEC958 outputs\n");
2483 spdif = snd_array_new(&codec->spdif_out);
2486 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2487 kctl = snd_ctl_new1(dig_mix, codec);
2490 kctl->id.index = idx;
2491 kctl->private_value = codec->spdif_out.used - 1;
2492 err = snd_hda_ctl_add(codec, associated_nid, kctl);
2496 spdif->nid = cvt_nid;
2497 snd_hdac_regmap_read(&codec->core, cvt_nid,
2498 AC_VERB_GET_DIGI_CONVERT_1, &val);
2500 spdif->status = convert_to_spdif_status(spdif->ctls);
2503 EXPORT_SYMBOL_GPL(snd_hda_create_dig_out_ctls);
2506 * snd_hda_spdif_out_of_nid - get the hda_spdif_out entry from the given NID
2507 * @codec: the HDA codec
2510 * call within spdif_mutex lock
2512 struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
2515 struct hda_spdif_out *spdif;
2518 snd_array_for_each(&codec->spdif_out, i, spdif) {
2519 if (spdif->nid == nid)
2524 EXPORT_SYMBOL_GPL(snd_hda_spdif_out_of_nid);
2527 * snd_hda_spdif_ctls_unassign - Unassign the given SPDIF ctl
2528 * @codec: the HDA codec
2529 * @idx: the SPDIF ctl index
2531 * Unassign the widget from the given SPDIF control.
2533 void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx)
2535 struct hda_spdif_out *spdif;
2537 if (WARN_ON(codec->spdif_out.used <= idx))
2539 mutex_lock(&codec->spdif_mutex);
2540 spdif = snd_array_elem(&codec->spdif_out, idx);
2541 spdif->nid = (u16)-1;
2542 mutex_unlock(&codec->spdif_mutex);
2544 EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_unassign);
2547 * snd_hda_spdif_ctls_assign - Assign the SPDIF controls to the given NID
2548 * @codec: the HDA codec
2549 * @idx: the SPDIF ctl idx
2552 * Assign the widget to the SPDIF control with the given index.
2554 void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid)
2556 struct hda_spdif_out *spdif;
2559 if (WARN_ON(codec->spdif_out.used <= idx))
2561 mutex_lock(&codec->spdif_mutex);
2562 spdif = snd_array_elem(&codec->spdif_out, idx);
2563 if (spdif->nid != nid) {
2566 set_spdif_ctls(codec, nid, val & 0xff, (val >> 8) & 0xff);
2568 mutex_unlock(&codec->spdif_mutex);
2570 EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_assign);
2573 * SPDIF sharing with analog output
2575 static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
2576 struct snd_ctl_elem_value *ucontrol)
2578 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2579 ucontrol->value.integer.value[0] = mout->share_spdif;
2583 static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
2584 struct snd_ctl_elem_value *ucontrol)
2586 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2587 mout->share_spdif = !!ucontrol->value.integer.value[0];
2591 static const struct snd_kcontrol_new spdif_share_sw = {
2592 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2593 .name = "IEC958 Default PCM Playback Switch",
2594 .info = snd_ctl_boolean_mono_info,
2595 .get = spdif_share_sw_get,
2596 .put = spdif_share_sw_put,
2600 * snd_hda_create_spdif_share_sw - create Default PCM switch
2601 * @codec: the HDA codec
2602 * @mout: multi-out instance
2604 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
2605 struct hda_multi_out *mout)
2607 struct snd_kcontrol *kctl;
2609 if (!mout->dig_out_nid)
2612 kctl = snd_ctl_new1(&spdif_share_sw, mout);
2615 /* ATTENTION: here mout is passed as private_data, instead of codec */
2616 return snd_hda_ctl_add(codec, mout->dig_out_nid, kctl);
2618 EXPORT_SYMBOL_GPL(snd_hda_create_spdif_share_sw);
2624 #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
2626 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
2627 struct snd_ctl_elem_value *ucontrol)
2629 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2631 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
2635 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
2636 struct snd_ctl_elem_value *ucontrol)
2638 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2639 hda_nid_t nid = kcontrol->private_value;
2640 unsigned int val = !!ucontrol->value.integer.value[0];
2643 mutex_lock(&codec->spdif_mutex);
2644 change = codec->spdif_in_enable != val;
2646 codec->spdif_in_enable = val;
2647 snd_hdac_regmap_write(&codec->core, nid,
2648 AC_VERB_SET_DIGI_CONVERT_1, val);
2650 mutex_unlock(&codec->spdif_mutex);
2654 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
2655 struct snd_ctl_elem_value *ucontrol)
2657 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2658 hda_nid_t nid = kcontrol->private_value;
2662 snd_hdac_regmap_read(&codec->core, nid,
2663 AC_VERB_GET_DIGI_CONVERT_1, &val);
2664 sbits = convert_to_spdif_status(val);
2665 ucontrol->value.iec958.status[0] = sbits;
2666 ucontrol->value.iec958.status[1] = sbits >> 8;
2667 ucontrol->value.iec958.status[2] = sbits >> 16;
2668 ucontrol->value.iec958.status[3] = sbits >> 24;
2672 static const struct snd_kcontrol_new dig_in_ctls[] = {
2674 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2675 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, SWITCH),
2676 .info = snd_hda_spdif_in_switch_info,
2677 .get = snd_hda_spdif_in_switch_get,
2678 .put = snd_hda_spdif_in_switch_put,
2681 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2682 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2683 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
2684 .info = snd_hda_spdif_mask_info,
2685 .get = snd_hda_spdif_in_status_get,
2691 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
2692 * @codec: the HDA codec
2693 * @nid: audio in widget NID
2695 * Creates controls related with the SPDIF input.
2696 * Called from each patch supporting the SPDIF in.
2698 * Returns 0 if successful, or a negative error code.
2700 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
2703 struct snd_kcontrol *kctl;
2704 const struct snd_kcontrol_new *dig_mix;
2707 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Capture Switch", 0);
2709 codec_err(codec, "too many IEC958 inputs\n");
2712 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
2713 kctl = snd_ctl_new1(dig_mix, codec);
2716 kctl->private_value = nid;
2717 err = snd_hda_ctl_add(codec, nid, kctl);
2721 codec->spdif_in_enable =
2722 snd_hda_codec_read(codec, nid, 0,
2723 AC_VERB_GET_DIGI_CONVERT_1, 0) &
2727 EXPORT_SYMBOL_GPL(snd_hda_create_spdif_in_ctls);
2730 * snd_hda_codec_set_power_to_all - Set the power state to all widgets
2731 * @codec: the HDA codec
2732 * @fg: function group (not used now)
2733 * @power_state: the power state to set (AC_PWRST_*)
2735 * Set the given power state to all widgets that have the power control.
2736 * If the codec has power_filter set, it evaluates the power state and
2737 * filter out if it's unchanged as D3.
2739 void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
2740 unsigned int power_state)
2744 for_each_hda_codec_node(nid, codec) {
2745 unsigned int wcaps = get_wcaps(codec, nid);
2746 unsigned int state = power_state;
2747 if (!(wcaps & AC_WCAP_POWER))
2749 if (codec->power_filter) {
2750 state = codec->power_filter(codec, nid, power_state);
2751 if (state != power_state && power_state == AC_PWRST_D3)
2754 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
2758 EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_to_all);
2761 * snd_hda_codec_eapd_power_filter - A power filter callback for EAPD
2762 * @codec: the HDA codec
2764 * @power_state: power state to evalue
2766 * Don't power down the widget if it controls eapd and EAPD_BTLENABLE is set.
2767 * This can be used a codec power_filter callback.
2769 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
2771 unsigned int power_state)
2773 if (nid == codec->core.afg || nid == codec->core.mfg)
2775 if (power_state == AC_PWRST_D3 &&
2776 get_wcaps_type(get_wcaps(codec, nid)) == AC_WID_PIN &&
2777 (snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_EAPD)) {
2778 int eapd = snd_hda_codec_read(codec, nid, 0,
2779 AC_VERB_GET_EAPD_BTLENABLE, 0);
2785 EXPORT_SYMBOL_GPL(snd_hda_codec_eapd_power_filter);
2788 * set power state of the codec, and return the power state
2790 static unsigned int hda_set_power_state(struct hda_codec *codec,
2791 unsigned int power_state)
2793 hda_nid_t fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
2798 /* this delay seems necessary to avoid click noise at power-down */
2799 if (power_state == AC_PWRST_D3) {
2800 if (codec->depop_delay < 0)
2801 msleep(codec_has_epss(codec) ? 10 : 100);
2802 else if (codec->depop_delay > 0)
2803 msleep(codec->depop_delay);
2804 flags = HDA_RW_NO_RESPONSE_FALLBACK;
2807 /* repeat power states setting at most 10 times*/
2808 for (count = 0; count < 10; count++) {
2809 if (codec->patch_ops.set_power_state)
2810 codec->patch_ops.set_power_state(codec, fg,
2813 state = power_state;
2814 if (codec->power_filter)
2815 state = codec->power_filter(codec, fg, state);
2816 if (state == power_state || power_state != AC_PWRST_D3)
2817 snd_hda_codec_read(codec, fg, flags,
2818 AC_VERB_SET_POWER_STATE,
2820 snd_hda_codec_set_power_to_all(codec, fg, power_state);
2822 state = snd_hda_sync_power_state(codec, fg, power_state);
2823 if (!(state & AC_PWRST_ERROR))
2830 /* sync power states of all widgets;
2831 * this is called at the end of codec parsing
2833 static void sync_power_up_states(struct hda_codec *codec)
2837 /* don't care if no filter is used */
2838 if (!codec->power_filter)
2841 for_each_hda_codec_node(nid, codec) {
2842 unsigned int wcaps = get_wcaps(codec, nid);
2843 unsigned int target;
2844 if (!(wcaps & AC_WCAP_POWER))
2846 target = codec->power_filter(codec, nid, AC_PWRST_D0);
2847 if (target == AC_PWRST_D0)
2849 if (!snd_hda_check_power_state(codec, nid, target))
2850 snd_hda_codec_write(codec, nid, 0,
2851 AC_VERB_SET_POWER_STATE, target);
2855 #ifdef CONFIG_SND_HDA_RECONFIG
2856 /* execute additional init verbs */
2857 static void hda_exec_init_verbs(struct hda_codec *codec)
2859 if (codec->init_verbs.list)
2860 snd_hda_sequence_write(codec, codec->init_verbs.list);
2863 static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
2867 /* update the power on/off account with the current jiffies */
2868 static void update_power_acct(struct hda_codec *codec, bool on)
2870 unsigned long delta = jiffies - codec->power_jiffies;
2873 codec->power_on_acct += delta;
2875 codec->power_off_acct += delta;
2876 codec->power_jiffies += delta;
2879 void snd_hda_update_power_acct(struct hda_codec *codec)
2881 update_power_acct(codec, hda_codec_is_power_on(codec));
2885 * call suspend and power-down; used both from PM and power-save
2886 * this function returns the power state in the end
2888 static unsigned int hda_call_codec_suspend(struct hda_codec *codec)
2892 snd_hdac_enter_pm(&codec->core);
2893 if (codec->patch_ops.suspend)
2894 codec->patch_ops.suspend(codec);
2895 hda_cleanup_all_streams(codec);
2896 state = hda_set_power_state(codec, AC_PWRST_D3);
2897 update_power_acct(codec, true);
2898 snd_hdac_leave_pm(&codec->core);
2903 * kick up codec; used both from PM and power-save
2905 static void hda_call_codec_resume(struct hda_codec *codec)
2907 snd_hdac_enter_pm(&codec->core);
2908 if (codec->core.regmap)
2909 regcache_mark_dirty(codec->core.regmap);
2911 codec->power_jiffies = jiffies;
2913 hda_set_power_state(codec, AC_PWRST_D0);
2914 restore_shutup_pins(codec);
2915 hda_exec_init_verbs(codec);
2916 snd_hda_jack_set_dirty_all(codec);
2917 if (codec->patch_ops.resume)
2918 codec->patch_ops.resume(codec);
2920 if (codec->patch_ops.init)
2921 codec->patch_ops.init(codec);
2922 snd_hda_regmap_sync(codec);
2925 if (codec->jackpoll_interval)
2926 hda_jackpoll_work(&codec->jackpoll_work.work);
2928 snd_hda_jack_report_sync(codec);
2929 codec->core.dev.power.power_state = PMSG_ON;
2930 snd_hdac_leave_pm(&codec->core);
2933 static int hda_codec_runtime_suspend(struct device *dev)
2935 struct hda_codec *codec = dev_to_hda_codec(dev);
2938 /* Nothing to do if card registration fails and the component driver never probes */
2942 if (!codec->bus->jackpoll_in_suspend)
2943 cancel_delayed_work_sync(&codec->jackpoll_work);
2945 state = hda_call_codec_suspend(codec);
2946 if (codec->link_down_at_suspend ||
2947 (codec_has_clkstop(codec) && codec_has_epss(codec) &&
2948 (state & AC_PWRST_CLK_STOP_OK)))
2949 snd_hdac_codec_link_down(&codec->core);
2950 snd_hda_codec_display_power(codec, false);
2954 static int hda_codec_runtime_resume(struct device *dev)
2956 struct hda_codec *codec = dev_to_hda_codec(dev);
2958 /* Nothing to do if card registration fails and the component driver never probes */
2962 snd_hda_codec_display_power(codec, true);
2963 snd_hdac_codec_link_up(&codec->core);
2964 hda_call_codec_resume(codec);
2965 pm_runtime_mark_last_busy(dev);
2969 #endif /* CONFIG_PM */
2971 #ifdef CONFIG_PM_SLEEP
2972 static int hda_codec_pm_prepare(struct device *dev)
2974 dev->power.power_state = PMSG_SUSPEND;
2975 return pm_runtime_suspended(dev);
2978 static void hda_codec_pm_complete(struct device *dev)
2980 struct hda_codec *codec = dev_to_hda_codec(dev);
2982 /* If no other pm-functions are called between prepare() and complete() */
2983 if (dev->power.power_state.event == PM_EVENT_SUSPEND)
2984 dev->power.power_state = PMSG_RESUME;
2986 if (pm_runtime_suspended(dev) && (codec->jackpoll_interval ||
2987 hda_codec_need_resume(codec) || codec->forced_resume))
2988 pm_request_resume(dev);
2991 static int hda_codec_pm_suspend(struct device *dev)
2993 struct hda_codec *codec = dev_to_hda_codec(dev);
2995 cancel_delayed_work_sync(&codec->jackpoll_work);
2996 dev->power.power_state = PMSG_SUSPEND;
2997 return pm_runtime_force_suspend(dev);
3000 static int hda_codec_pm_resume(struct device *dev)
3002 dev->power.power_state = PMSG_RESUME;
3003 return pm_runtime_force_resume(dev);
3006 static int hda_codec_pm_freeze(struct device *dev)
3008 struct hda_codec *codec = dev_to_hda_codec(dev);
3010 cancel_delayed_work_sync(&codec->jackpoll_work);
3011 dev->power.power_state = PMSG_FREEZE;
3012 return pm_runtime_force_suspend(dev);
3015 static int hda_codec_pm_thaw(struct device *dev)
3017 dev->power.power_state = PMSG_THAW;
3018 return pm_runtime_force_resume(dev);
3021 static int hda_codec_pm_restore(struct device *dev)
3023 dev->power.power_state = PMSG_RESTORE;
3024 return pm_runtime_force_resume(dev);
3026 #endif /* CONFIG_PM_SLEEP */
3028 /* referred in hda_bind.c */
3029 const struct dev_pm_ops hda_codec_driver_pm = {
3030 #ifdef CONFIG_PM_SLEEP
3031 .prepare = hda_codec_pm_prepare,
3032 .complete = hda_codec_pm_complete,
3033 .suspend = hda_codec_pm_suspend,
3034 .resume = hda_codec_pm_resume,
3035 .freeze = hda_codec_pm_freeze,
3036 .thaw = hda_codec_pm_thaw,
3037 .poweroff = hda_codec_pm_suspend,
3038 .restore = hda_codec_pm_restore,
3039 #endif /* CONFIG_PM_SLEEP */
3040 SET_RUNTIME_PM_OPS(hda_codec_runtime_suspend, hda_codec_runtime_resume,
3044 /* suspend the codec at shutdown; called from driver's shutdown callback */
3045 void snd_hda_codec_shutdown(struct hda_codec *codec)
3047 struct hda_pcm *cpcm;
3049 /* Skip the shutdown if codec is not registered */
3050 if (!codec->registered)
3053 cancel_delayed_work_sync(&codec->jackpoll_work);
3054 list_for_each_entry(cpcm, &codec->pcm_list_head, list)
3055 snd_pcm_suspend_all(cpcm->pcm);
3057 pm_runtime_force_suspend(hda_codec_dev(codec));
3058 pm_runtime_disable(hda_codec_dev(codec));
3062 * add standard channel maps if not specified
3064 static int add_std_chmaps(struct hda_codec *codec)
3066 struct hda_pcm *pcm;
3069 list_for_each_entry(pcm, &codec->pcm_list_head, list) {
3070 for (str = 0; str < 2; str++) {
3071 struct hda_pcm_stream *hinfo = &pcm->stream[str];
3072 struct snd_pcm_chmap *chmap;
3073 const struct snd_pcm_chmap_elem *elem;
3075 if (!pcm->pcm || pcm->own_chmap || !hinfo->substreams)
3077 elem = hinfo->chmap ? hinfo->chmap : snd_pcm_std_chmaps;
3078 err = snd_pcm_add_chmap_ctls(pcm->pcm, str, elem,
3079 hinfo->channels_max,
3083 chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
3089 /* default channel maps for 2.1 speakers;
3090 * since HD-audio supports only stereo, odd number channels are omitted
3092 const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[] = {
3094 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
3096 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR,
3097 SNDRV_CHMAP_LFE, SNDRV_CHMAP_LFE } },
3100 EXPORT_SYMBOL_GPL(snd_pcm_2_1_chmaps);
3102 int snd_hda_codec_build_controls(struct hda_codec *codec)
3105 hda_exec_init_verbs(codec);
3106 /* continue to initialize... */
3107 if (codec->patch_ops.init)
3108 err = codec->patch_ops.init(codec);
3109 if (!err && codec->patch_ops.build_controls)
3110 err = codec->patch_ops.build_controls(codec);
3114 /* we create chmaps here instead of build_pcms */
3115 err = add_std_chmaps(codec);
3119 if (codec->jackpoll_interval)
3120 hda_jackpoll_work(&codec->jackpoll_work.work);
3122 snd_hda_jack_report_sync(codec); /* call at the last init point */
3123 sync_power_up_states(codec);
3126 EXPORT_SYMBOL_GPL(snd_hda_codec_build_controls);
3131 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
3132 struct hda_codec *codec,
3133 struct snd_pcm_substream *substream)
3138 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
3139 struct hda_codec *codec,
3140 unsigned int stream_tag,
3141 unsigned int format,
3142 struct snd_pcm_substream *substream)
3144 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
3148 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
3149 struct hda_codec *codec,
3150 struct snd_pcm_substream *substream)
3152 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
3156 static int set_pcm_default_values(struct hda_codec *codec,
3157 struct hda_pcm_stream *info)
3161 /* query support PCM information from the given NID */
3162 if (info->nid && (!info->rates || !info->formats)) {
3163 err = snd_hda_query_supported_pcm(codec, info->nid,
3164 info->rates ? NULL : &info->rates,
3165 info->formats ? NULL : &info->formats,
3166 info->maxbps ? NULL : &info->maxbps);
3170 if (info->ops.open == NULL)
3171 info->ops.open = hda_pcm_default_open_close;
3172 if (info->ops.close == NULL)
3173 info->ops.close = hda_pcm_default_open_close;
3174 if (info->ops.prepare == NULL) {
3175 if (snd_BUG_ON(!info->nid))
3177 info->ops.prepare = hda_pcm_default_prepare;
3179 if (info->ops.cleanup == NULL) {
3180 if (snd_BUG_ON(!info->nid))
3182 info->ops.cleanup = hda_pcm_default_cleanup;
3188 * codec prepare/cleanup entries
3191 * snd_hda_codec_prepare - Prepare a stream
3192 * @codec: the HDA codec
3193 * @hinfo: PCM information
3194 * @stream: stream tag to assign
3195 * @format: format id to assign
3196 * @substream: PCM substream to assign
3198 * Calls the prepare callback set by the codec with the given arguments.
3199 * Clean up the inactive streams when successful.
3201 int snd_hda_codec_prepare(struct hda_codec *codec,
3202 struct hda_pcm_stream *hinfo,
3203 unsigned int stream,
3204 unsigned int format,
3205 struct snd_pcm_substream *substream)
3208 mutex_lock(&codec->bus->prepare_mutex);
3209 if (hinfo->ops.prepare)
3210 ret = hinfo->ops.prepare(hinfo, codec, stream, format,
3215 purify_inactive_streams(codec);
3216 mutex_unlock(&codec->bus->prepare_mutex);
3219 EXPORT_SYMBOL_GPL(snd_hda_codec_prepare);
3222 * snd_hda_codec_cleanup - Clean up stream resources
3223 * @codec: the HDA codec
3224 * @hinfo: PCM information
3225 * @substream: PCM substream
3227 * Calls the cleanup callback set by the codec with the given arguments.
3229 void snd_hda_codec_cleanup(struct hda_codec *codec,
3230 struct hda_pcm_stream *hinfo,
3231 struct snd_pcm_substream *substream)
3233 mutex_lock(&codec->bus->prepare_mutex);
3234 if (hinfo->ops.cleanup)
3235 hinfo->ops.cleanup(hinfo, codec, substream);
3236 mutex_unlock(&codec->bus->prepare_mutex);
3238 EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup);
3241 const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = {
3242 "Audio", "SPDIF", "HDMI", "Modem"
3246 * get the empty PCM device number to assign
3248 static int get_empty_pcm_device(struct hda_bus *bus, unsigned int type)
3250 /* audio device indices; not linear to keep compatibility */
3251 /* assigned to static slots up to dev#10; if more needed, assign
3252 * the later slot dynamically (when CONFIG_SND_DYNAMIC_MINORS=y)
3254 static const int audio_idx[HDA_PCM_NTYPES][5] = {
3255 [HDA_PCM_TYPE_AUDIO] = { 0, 2, 4, 5, -1 },
3256 [HDA_PCM_TYPE_SPDIF] = { 1, -1 },
3257 [HDA_PCM_TYPE_HDMI] = { 3, 7, 8, 9, -1 },
3258 [HDA_PCM_TYPE_MODEM] = { 6, -1 },
3262 if (type >= HDA_PCM_NTYPES) {
3263 dev_err(bus->card->dev, "Invalid PCM type %d\n", type);
3267 for (i = 0; audio_idx[type][i] >= 0; i++) {
3268 #ifndef CONFIG_SND_DYNAMIC_MINORS
3269 if (audio_idx[type][i] >= 8)
3272 if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits))
3273 return audio_idx[type][i];
3276 #ifdef CONFIG_SND_DYNAMIC_MINORS
3277 /* non-fixed slots starting from 10 */
3278 for (i = 10; i < 32; i++) {
3279 if (!test_and_set_bit(i, bus->pcm_dev_bits))
3284 dev_warn(bus->card->dev, "Too many %s devices\n",
3285 snd_hda_pcm_type_name[type]);
3286 #ifndef CONFIG_SND_DYNAMIC_MINORS
3287 dev_warn(bus->card->dev,
3288 "Consider building the kernel with CONFIG_SND_DYNAMIC_MINORS=y\n");
3293 /* call build_pcms ops of the given codec and set up the default parameters */
3294 int snd_hda_codec_parse_pcms(struct hda_codec *codec)
3296 struct hda_pcm *cpcm;
3299 if (!list_empty(&codec->pcm_list_head))
3300 return 0; /* already parsed */
3302 if (!codec->patch_ops.build_pcms)
3305 err = codec->patch_ops.build_pcms(codec);
3307 codec_err(codec, "cannot build PCMs for #%d (error %d)\n",
3308 codec->core.addr, err);
3312 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3315 for (stream = 0; stream < 2; stream++) {
3316 struct hda_pcm_stream *info = &cpcm->stream[stream];
3318 if (!info->substreams)
3320 err = set_pcm_default_values(codec, info);
3323 "fail to setup default for PCM %s\n",
3332 EXPORT_SYMBOL_GPL(snd_hda_codec_parse_pcms);
3334 /* assign all PCMs of the given codec */
3335 int snd_hda_codec_build_pcms(struct hda_codec *codec)
3337 struct hda_bus *bus = codec->bus;
3338 struct hda_pcm *cpcm;
3341 err = snd_hda_codec_parse_pcms(codec);
3345 /* attach a new PCM streams */
3346 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3348 continue; /* already attached */
3349 if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
3350 continue; /* no substreams assigned */
3352 dev = get_empty_pcm_device(bus, cpcm->pcm_type);
3354 cpcm->device = SNDRV_PCM_INVALID_DEVICE;
3355 continue; /* no fatal error */
3358 err = snd_hda_attach_pcm_stream(bus, codec, cpcm);
3361 "cannot attach PCM stream %d for codec #%d\n",
3362 dev, codec->core.addr);
3363 continue; /* no fatal error */
3371 * snd_hda_add_new_ctls - create controls from the array
3372 * @codec: the HDA codec
3373 * @knew: the array of struct snd_kcontrol_new
3375 * This helper function creates and add new controls in the given array.
3376 * The array must be terminated with an empty entry as terminator.
3378 * Returns 0 if successful, or a negative error code.
3380 int snd_hda_add_new_ctls(struct hda_codec *codec,
3381 const struct snd_kcontrol_new *knew)
3385 for (; knew->name; knew++) {
3386 struct snd_kcontrol *kctl;
3387 int addr = 0, idx = 0;
3388 if (knew->iface == (__force snd_ctl_elem_iface_t)-1)
3389 continue; /* skip this codec private value */
3391 kctl = snd_ctl_new1(knew, codec);
3395 kctl->id.device = addr;
3397 kctl->id.index = idx;
3398 err = snd_hda_ctl_add(codec, 0, kctl);
3401 /* try first with another device index corresponding to
3402 * the codec addr; if it still fails (or it's the
3403 * primary codec), then try another control index
3405 if (!addr && codec->core.addr)
3406 addr = codec->core.addr;
3407 else if (!idx && !knew->index) {
3408 idx = find_empty_mixer_ctl_idx(codec,
3418 EXPORT_SYMBOL_GPL(snd_hda_add_new_ctls);
3422 * snd_hda_codec_set_power_save - Configure codec's runtime PM
3423 * @codec: codec device to configure
3424 * @delay: autosuspend delay
3426 void snd_hda_codec_set_power_save(struct hda_codec *codec, int delay)
3428 struct device *dev = hda_codec_dev(codec);
3430 if (delay == 0 && codec->auto_runtime_pm)
3434 pm_runtime_set_autosuspend_delay(dev, delay);
3435 pm_runtime_use_autosuspend(dev);
3436 pm_runtime_allow(dev);
3437 if (!pm_runtime_suspended(dev))
3438 pm_runtime_mark_last_busy(dev);
3440 pm_runtime_dont_use_autosuspend(dev);
3441 pm_runtime_forbid(dev);
3444 EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_save);
3447 * snd_hda_set_power_save - reprogram autosuspend for the given delay
3448 * @bus: HD-audio bus
3449 * @delay: autosuspend delay in msec, 0 = off
3451 * Synchronize the runtime PM autosuspend state from the power_save option.
3453 void snd_hda_set_power_save(struct hda_bus *bus, int delay)
3455 struct hda_codec *c;
3457 list_for_each_codec(c, bus)
3458 snd_hda_codec_set_power_save(c, delay);
3460 EXPORT_SYMBOL_GPL(snd_hda_set_power_save);
3463 * snd_hda_check_amp_list_power - Check the amp list and update the power
3464 * @codec: HD-audio codec
3465 * @check: the object containing an AMP list and the status
3466 * @nid: NID to check / update
3468 * Check whether the given NID is in the amp list. If it's in the list,
3469 * check the current AMP status, and update the power-status according
3470 * to the mute status.
3472 * This function is supposed to be set or called from the check_power_status
3475 int snd_hda_check_amp_list_power(struct hda_codec *codec,
3476 struct hda_loopback_check *check,
3479 const struct hda_amp_list *p;
3482 if (!check->amplist)
3484 for (p = check->amplist; p->nid; p++) {
3489 return 0; /* nothing changed */
3491 for (p = check->amplist; p->nid; p++) {
3492 for (ch = 0; ch < 2; ch++) {
3493 v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
3495 if (!(v & HDA_AMP_MUTE) && v > 0) {
3496 if (!check->power_on) {
3497 check->power_on = 1;
3498 snd_hda_power_up_pm(codec);
3504 if (check->power_on) {
3505 check->power_on = 0;
3506 snd_hda_power_down_pm(codec);
3510 EXPORT_SYMBOL_GPL(snd_hda_check_amp_list_power);
3518 * snd_hda_input_mux_info - Info callback helper for the input-mux enum
3519 * @imux: imux helper object
3520 * @uinfo: pointer to get/store the data
3522 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
3523 struct snd_ctl_elem_info *uinfo)
3527 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
3529 uinfo->value.enumerated.items = imux->num_items;
3530 if (!imux->num_items)
3532 index = uinfo->value.enumerated.item;
3533 if (index >= imux->num_items)
3534 index = imux->num_items - 1;
3535 strcpy(uinfo->value.enumerated.name, imux->items[index].label);
3538 EXPORT_SYMBOL_GPL(snd_hda_input_mux_info);
3541 * snd_hda_input_mux_put - Put callback helper for the input-mux enum
3542 * @codec: the HDA codec
3543 * @imux: imux helper object
3544 * @ucontrol: pointer to get/store the data
3545 * @nid: input mux NID
3546 * @cur_val: pointer to get/store the current imux value
3548 int snd_hda_input_mux_put(struct hda_codec *codec,
3549 const struct hda_input_mux *imux,
3550 struct snd_ctl_elem_value *ucontrol,
3552 unsigned int *cur_val)
3556 if (!imux->num_items)
3558 idx = ucontrol->value.enumerated.item[0];
3559 if (idx >= imux->num_items)
3560 idx = imux->num_items - 1;
3561 if (*cur_val == idx)
3563 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
3564 imux->items[idx].index);
3568 EXPORT_SYMBOL_GPL(snd_hda_input_mux_put);
3572 * snd_hda_enum_helper_info - Helper for simple enum ctls
3573 * @kcontrol: ctl element
3574 * @uinfo: pointer to get/store the data
3575 * @num_items: number of enum items
3576 * @texts: enum item string array
3578 * process kcontrol info callback of a simple string enum array
3579 * when @num_items is 0 or @texts is NULL, assume a boolean enum array
3581 int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
3582 struct snd_ctl_elem_info *uinfo,
3583 int num_items, const char * const *texts)
3585 static const char * const texts_default[] = {
3586 "Disabled", "Enabled"
3589 if (!texts || !num_items) {
3591 texts = texts_default;
3594 return snd_ctl_enum_info(uinfo, 1, num_items, texts);
3596 EXPORT_SYMBOL_GPL(snd_hda_enum_helper_info);
3599 * Multi-channel / digital-out PCM helper functions
3602 /* setup SPDIF output stream */
3603 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
3604 unsigned int stream_tag, unsigned int format)
3606 struct hda_spdif_out *spdif;
3607 unsigned int curr_fmt;
3610 spdif = snd_hda_spdif_out_of_nid(codec, nid);
3611 /* Add sanity check to pass klockwork check.
3612 * This should never happen.
3614 if (WARN_ON(spdif == NULL))
3617 curr_fmt = snd_hda_codec_read(codec, nid, 0,
3618 AC_VERB_GET_STREAM_FORMAT, 0);
3619 reset = codec->spdif_status_reset &&
3620 (spdif->ctls & AC_DIG1_ENABLE) &&
3623 /* turn off SPDIF if needed; otherwise the IEC958 bits won't be
3626 set_dig_out_convert(codec, nid,
3627 spdif->ctls & ~AC_DIG1_ENABLE & 0xff,
3629 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
3630 if (codec->follower_dig_outs) {
3632 for (d = codec->follower_dig_outs; *d; d++)
3633 snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
3636 /* turn on again (if needed) */
3638 set_dig_out_convert(codec, nid,
3639 spdif->ctls & 0xff, -1);
3642 static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
3644 snd_hda_codec_cleanup_stream(codec, nid);
3645 if (codec->follower_dig_outs) {
3647 for (d = codec->follower_dig_outs; *d; d++)
3648 snd_hda_codec_cleanup_stream(codec, *d);
3653 * snd_hda_multi_out_dig_open - open the digital out in the exclusive mode
3654 * @codec: the HDA codec
3655 * @mout: hda_multi_out object
3657 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
3658 struct hda_multi_out *mout)
3660 mutex_lock(&codec->spdif_mutex);
3661 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
3662 /* already opened as analog dup; reset it once */
3663 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3664 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
3665 mutex_unlock(&codec->spdif_mutex);
3668 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_open);
3671 * snd_hda_multi_out_dig_prepare - prepare the digital out stream
3672 * @codec: the HDA codec
3673 * @mout: hda_multi_out object
3674 * @stream_tag: stream tag to assign
3675 * @format: format id to assign
3676 * @substream: PCM substream to assign
3678 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
3679 struct hda_multi_out *mout,
3680 unsigned int stream_tag,
3681 unsigned int format,
3682 struct snd_pcm_substream *substream)
3684 mutex_lock(&codec->spdif_mutex);
3685 setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
3686 mutex_unlock(&codec->spdif_mutex);
3689 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_prepare);
3692 * snd_hda_multi_out_dig_cleanup - clean-up the digital out stream
3693 * @codec: the HDA codec
3694 * @mout: hda_multi_out object
3696 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
3697 struct hda_multi_out *mout)
3699 mutex_lock(&codec->spdif_mutex);
3700 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3701 mutex_unlock(&codec->spdif_mutex);
3704 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_cleanup);
3707 * snd_hda_multi_out_dig_close - release the digital out stream
3708 * @codec: the HDA codec
3709 * @mout: hda_multi_out object
3711 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
3712 struct hda_multi_out *mout)
3714 mutex_lock(&codec->spdif_mutex);
3715 mout->dig_out_used = 0;
3716 mutex_unlock(&codec->spdif_mutex);
3719 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_close);
3722 * snd_hda_multi_out_analog_open - open analog outputs
3723 * @codec: the HDA codec
3724 * @mout: hda_multi_out object
3725 * @substream: PCM substream to assign
3726 * @hinfo: PCM information to assign
3728 * Open analog outputs and set up the hw-constraints.
3729 * If the digital outputs can be opened as follower, open the digital
3732 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
3733 struct hda_multi_out *mout,
3734 struct snd_pcm_substream *substream,
3735 struct hda_pcm_stream *hinfo)
3737 struct snd_pcm_runtime *runtime = substream->runtime;
3738 runtime->hw.channels_max = mout->max_channels;
3739 if (mout->dig_out_nid) {
3740 if (!mout->analog_rates) {
3741 mout->analog_rates = hinfo->rates;
3742 mout->analog_formats = hinfo->formats;
3743 mout->analog_maxbps = hinfo->maxbps;
3745 runtime->hw.rates = mout->analog_rates;
3746 runtime->hw.formats = mout->analog_formats;
3747 hinfo->maxbps = mout->analog_maxbps;
3749 if (!mout->spdif_rates) {
3750 snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
3752 &mout->spdif_formats,
3753 &mout->spdif_maxbps);
3755 mutex_lock(&codec->spdif_mutex);
3756 if (mout->share_spdif) {
3757 if ((runtime->hw.rates & mout->spdif_rates) &&
3758 (runtime->hw.formats & mout->spdif_formats)) {
3759 runtime->hw.rates &= mout->spdif_rates;
3760 runtime->hw.formats &= mout->spdif_formats;
3761 if (mout->spdif_maxbps < hinfo->maxbps)
3762 hinfo->maxbps = mout->spdif_maxbps;
3764 mout->share_spdif = 0;
3765 /* FIXME: need notify? */
3768 mutex_unlock(&codec->spdif_mutex);
3770 return snd_pcm_hw_constraint_step(substream->runtime, 0,
3771 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
3773 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_open);
3776 * snd_hda_multi_out_analog_prepare - Preapre the analog outputs.
3777 * @codec: the HDA codec
3778 * @mout: hda_multi_out object
3779 * @stream_tag: stream tag to assign
3780 * @format: format id to assign
3781 * @substream: PCM substream to assign
3783 * Set up the i/o for analog out.
3784 * When the digital out is available, copy the front out to digital out, too.
3786 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
3787 struct hda_multi_out *mout,
3788 unsigned int stream_tag,
3789 unsigned int format,
3790 struct snd_pcm_substream *substream)
3792 const hda_nid_t *nids = mout->dac_nids;
3793 int chs = substream->runtime->channels;
3794 struct hda_spdif_out *spdif;
3797 mutex_lock(&codec->spdif_mutex);
3798 spdif = snd_hda_spdif_out_of_nid(codec, mout->dig_out_nid);
3799 if (mout->dig_out_nid && mout->share_spdif &&
3800 mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
3801 if (chs == 2 && spdif != NULL &&
3802 snd_hda_is_supported_format(codec, mout->dig_out_nid,
3804 !(spdif->status & IEC958_AES0_NONAUDIO)) {
3805 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
3806 setup_dig_out_stream(codec, mout->dig_out_nid,
3807 stream_tag, format);
3809 mout->dig_out_used = 0;
3810 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3813 mutex_unlock(&codec->spdif_mutex);
3816 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
3818 if (!mout->no_share_stream &&
3819 mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
3820 /* headphone out will just decode front left/right (stereo) */
3821 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
3823 /* extra outputs copied from front */
3824 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3825 if (!mout->no_share_stream && mout->hp_out_nid[i])
3826 snd_hda_codec_setup_stream(codec,
3827 mout->hp_out_nid[i],
3828 stream_tag, 0, format);
3831 for (i = 1; i < mout->num_dacs; i++) {
3832 if (chs >= (i + 1) * 2) /* independent out */
3833 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3835 else if (!mout->no_share_stream) /* copy front */
3836 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3840 /* extra surrounds */
3841 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) {
3843 if (!mout->extra_out_nid[i])
3845 if (chs >= (i + 1) * 2)
3847 else if (!mout->no_share_stream)
3849 snd_hda_codec_setup_stream(codec, mout->extra_out_nid[i],
3850 stream_tag, ch, format);
3855 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_prepare);
3858 * snd_hda_multi_out_analog_cleanup - clean up the setting for analog out
3859 * @codec: the HDA codec
3860 * @mout: hda_multi_out object
3862 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
3863 struct hda_multi_out *mout)
3865 const hda_nid_t *nids = mout->dac_nids;
3868 for (i = 0; i < mout->num_dacs; i++)
3869 snd_hda_codec_cleanup_stream(codec, nids[i]);
3871 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
3872 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3873 if (mout->hp_out_nid[i])
3874 snd_hda_codec_cleanup_stream(codec,
3875 mout->hp_out_nid[i]);
3876 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
3877 if (mout->extra_out_nid[i])
3878 snd_hda_codec_cleanup_stream(codec,
3879 mout->extra_out_nid[i]);
3880 mutex_lock(&codec->spdif_mutex);
3881 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
3882 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3883 mout->dig_out_used = 0;
3885 mutex_unlock(&codec->spdif_mutex);
3888 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_cleanup);
3891 * snd_hda_get_default_vref - Get the default (mic) VREF pin bits
3892 * @codec: the HDA codec
3893 * @pin: referred pin NID
3895 * Guess the suitable VREF pin bits to be set as the pin-control value.
3896 * Note: the function doesn't set the AC_PINCTL_IN_EN bit.
3898 unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin)
3900 unsigned int pincap;
3901 unsigned int oldval;
3902 oldval = snd_hda_codec_read(codec, pin, 0,
3903 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
3904 pincap = snd_hda_query_pin_caps(codec, pin);
3905 pincap = (pincap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3906 /* Exception: if the default pin setup is vref50, we give it priority */
3907 if ((pincap & AC_PINCAP_VREF_80) && oldval != PIN_VREF50)
3908 return AC_PINCTL_VREF_80;
3909 else if (pincap & AC_PINCAP_VREF_50)
3910 return AC_PINCTL_VREF_50;
3911 else if (pincap & AC_PINCAP_VREF_100)
3912 return AC_PINCTL_VREF_100;
3913 else if (pincap & AC_PINCAP_VREF_GRD)
3914 return AC_PINCTL_VREF_GRD;
3915 return AC_PINCTL_VREF_HIZ;
3917 EXPORT_SYMBOL_GPL(snd_hda_get_default_vref);
3920 * snd_hda_correct_pin_ctl - correct the pin ctl value for matching with the pin cap
3921 * @codec: the HDA codec
3922 * @pin: referred pin NID
3923 * @val: pin ctl value to audit
3925 unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
3926 hda_nid_t pin, unsigned int val)
3928 static const unsigned int cap_lists[][2] = {
3929 { AC_PINCTL_VREF_100, AC_PINCAP_VREF_100 },
3930 { AC_PINCTL_VREF_80, AC_PINCAP_VREF_80 },
3931 { AC_PINCTL_VREF_50, AC_PINCAP_VREF_50 },
3932 { AC_PINCTL_VREF_GRD, AC_PINCAP_VREF_GRD },
3938 cap = snd_hda_query_pin_caps(codec, pin);
3940 return val; /* don't know what to do... */
3942 if (val & AC_PINCTL_OUT_EN) {
3943 if (!(cap & AC_PINCAP_OUT))
3944 val &= ~(AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN);
3945 else if ((val & AC_PINCTL_HP_EN) && !(cap & AC_PINCAP_HP_DRV))
3946 val &= ~AC_PINCTL_HP_EN;
3949 if (val & AC_PINCTL_IN_EN) {
3950 if (!(cap & AC_PINCAP_IN))
3951 val &= ~(AC_PINCTL_IN_EN | AC_PINCTL_VREFEN);
3953 unsigned int vcap, vref;
3955 vcap = (cap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3956 vref = val & AC_PINCTL_VREFEN;
3957 for (i = 0; i < ARRAY_SIZE(cap_lists); i++) {
3958 if (vref == cap_lists[i][0] &&
3959 !(vcap & cap_lists[i][1])) {
3960 if (i == ARRAY_SIZE(cap_lists) - 1)
3961 vref = AC_PINCTL_VREF_HIZ;
3963 vref = cap_lists[i + 1][0];
3966 val &= ~AC_PINCTL_VREFEN;
3973 EXPORT_SYMBOL_GPL(snd_hda_correct_pin_ctl);
3976 * _snd_hda_set_pin_ctl - Helper to set pin ctl value
3977 * @codec: the HDA codec
3978 * @pin: referred pin NID
3979 * @val: pin control value to set
3980 * @cached: access over codec pinctl cache or direct write
3982 * This function is a helper to set a pin ctl value more safely.
3983 * It corrects the pin ctl value via snd_hda_correct_pin_ctl(), stores the
3984 * value in pin target array via snd_hda_codec_set_pin_target(), then
3985 * actually writes the value via either snd_hda_codec_write_cache() or
3986 * snd_hda_codec_write() depending on @cached flag.
3988 int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
3989 unsigned int val, bool cached)
3991 val = snd_hda_correct_pin_ctl(codec, pin, val);
3992 snd_hda_codec_set_pin_target(codec, pin, val);
3994 return snd_hda_codec_write_cache(codec, pin, 0,
3995 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3997 return snd_hda_codec_write(codec, pin, 0,
3998 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
4000 EXPORT_SYMBOL_GPL(_snd_hda_set_pin_ctl);
4003 * snd_hda_add_imux_item - Add an item to input_mux
4004 * @codec: the HDA codec
4005 * @imux: imux helper object
4006 * @label: the name of imux item to assign
4007 * @index: index number of imux item to assign
4008 * @type_idx: pointer to store the resultant label index
4010 * When the same label is used already in the existing items, the number
4011 * suffix is appended to the label. This label index number is stored
4012 * to type_idx when non-NULL pointer is given.
4014 int snd_hda_add_imux_item(struct hda_codec *codec,
4015 struct hda_input_mux *imux, const char *label,
4016 int index, int *type_idx)
4018 int i, label_idx = 0;
4019 if (imux->num_items >= HDA_MAX_NUM_INPUTS) {
4020 codec_err(codec, "hda_codec: Too many imux items!\n");
4023 for (i = 0; i < imux->num_items; i++) {
4024 if (!strncmp(label, imux->items[i].label, strlen(label)))
4028 *type_idx = label_idx;
4030 snprintf(imux->items[imux->num_items].label,
4031 sizeof(imux->items[imux->num_items].label),
4032 "%s %d", label, label_idx);
4034 strscpy(imux->items[imux->num_items].label, label,
4035 sizeof(imux->items[imux->num_items].label));
4036 imux->items[imux->num_items].index = index;
4040 EXPORT_SYMBOL_GPL(snd_hda_add_imux_item);
4043 * snd_hda_bus_reset_codecs - Reset the bus
4044 * @bus: HD-audio bus
4046 void snd_hda_bus_reset_codecs(struct hda_bus *bus)
4048 struct hda_codec *codec;
4050 list_for_each_codec(codec, bus) {
4051 /* FIXME: maybe a better way needed for forced reset */
4052 if (current_work() != &codec->jackpoll_work.work)
4053 cancel_delayed_work_sync(&codec->jackpoll_work);
4055 if (hda_codec_is_power_on(codec)) {
4056 hda_call_codec_suspend(codec);
4057 hda_call_codec_resume(codec);
4064 * snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer
4065 * @pcm: PCM caps bits
4066 * @buf: the string buffer to write
4067 * @buflen: the max buffer length
4069 * used by hda_proc.c and hda_eld.c
4071 void snd_print_pcm_bits(int pcm, char *buf, int buflen)
4073 static const unsigned int bits[] = { 8, 16, 20, 24, 32 };
4076 for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++)
4077 if (pcm & (AC_SUPPCM_BITS_8 << i))
4078 j += scnprintf(buf + j, buflen - j, " %d", bits[i]);
4080 buf[j] = '\0'; /* necessary when j == 0 */
4082 EXPORT_SYMBOL_GPL(snd_print_pcm_bits);
4084 MODULE_DESCRIPTION("HDA codec core");
4085 MODULE_LICENSE("GPL");