1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Universal Interface for Intel High Definition Audio Codec
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->core.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->core.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->follower_dig_outs = NULL;
799 codec->spdif_status_reset = 0;
800 snd_array_free(&codec->mixers);
801 snd_array_free(&codec->nids);
802 remove_conn_list(codec);
803 snd_hdac_regmap_exit(&codec->core);
804 codec->configured = 0;
805 refcount_set(&codec->pcm_ref, 1); /* reset refcount */
807 EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup_for_unbind);
809 static unsigned int hda_set_power_state(struct hda_codec *codec,
810 unsigned int power_state);
812 /* enable/disable display power per codec */
813 void snd_hda_codec_display_power(struct hda_codec *codec, bool enable)
815 if (codec->display_power_control)
816 snd_hdac_display_power(&codec->bus->core, codec->addr, enable);
820 * snd_hda_codec_register - Finalize codec initialization
821 * @codec: codec device to register
823 * Also called from hda_bind.c
825 void snd_hda_codec_register(struct hda_codec *codec)
827 if (codec->core.registered)
829 if (device_is_registered(hda_codec_dev(codec))) {
830 snd_hda_codec_display_power(codec, true);
831 pm_runtime_enable(hda_codec_dev(codec));
832 /* it was powered up in snd_hda_codec_new(), now all done */
833 snd_hda_power_down(codec);
834 codec->core.registered = 1;
837 EXPORT_SYMBOL_GPL(snd_hda_codec_register);
839 static int snd_hda_codec_dev_register(struct snd_device *device)
841 snd_hda_codec_register(device->device_data);
846 * snd_hda_codec_unregister - Unregister specified codec device
847 * @codec: codec device to unregister
849 void snd_hda_codec_unregister(struct hda_codec *codec)
851 codec->in_freeing = 1;
853 * snd_hda_codec_device_new() is used by legacy HDA and ASoC driver.
854 * We can't unregister ASoC device since it will be unregistered in
855 * snd_hdac_ext_bus_device_remove().
857 if (codec->core.type == HDA_DEV_LEGACY)
858 snd_hdac_device_unregister(&codec->core);
859 snd_hda_codec_display_power(codec, false);
862 * In the case of ASoC HD-audio bus, the device refcount is released in
863 * snd_hdac_ext_bus_device_remove() explicitly.
865 if (codec->core.type == HDA_DEV_LEGACY)
866 put_device(hda_codec_dev(codec));
868 EXPORT_SYMBOL_GPL(snd_hda_codec_unregister);
870 static int snd_hda_codec_dev_free(struct snd_device *device)
872 snd_hda_codec_unregister(device->device_data);
876 static void snd_hda_codec_dev_release(struct device *dev)
878 struct hda_codec *codec = dev_to_hda_codec(dev);
880 free_init_pincfgs(codec);
881 snd_hdac_device_exit(&codec->core);
882 snd_hda_sysfs_clear(codec);
883 kfree(codec->modelname);
888 #define DEV_NAME_LEN 31
891 * snd_hda_codec_device_init - allocate HDA codec device
892 * @bus: codec's parent bus
893 * @codec_addr: the codec address on the parent bus
894 * @fmt: format string for the device's name
896 * Returns newly allocated codec device or ERR_PTR() on failure.
899 snd_hda_codec_device_init(struct hda_bus *bus, unsigned int codec_addr,
900 const char *fmt, ...)
903 char name[DEV_NAME_LEN];
904 struct hda_codec *codec;
907 if (snd_BUG_ON(!bus))
908 return ERR_PTR(-EINVAL);
909 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
910 return ERR_PTR(-EINVAL);
912 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
914 return ERR_PTR(-ENOMEM);
916 va_start(vargs, fmt);
917 vsprintf(name, fmt, vargs);
920 err = snd_hdac_device_init(&codec->core, &bus->core, name, codec_addr);
927 codec->depop_delay = -1;
928 codec->fixup_id = HDA_FIXUP_ID_NOT_SET;
929 codec->core.dev.release = snd_hda_codec_dev_release;
930 codec->core.type = HDA_DEV_LEGACY;
932 mutex_init(&codec->spdif_mutex);
933 mutex_init(&codec->control_mutex);
934 snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 32);
935 snd_array_init(&codec->nids, sizeof(struct hda_nid_item), 32);
936 snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16);
937 snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16);
938 snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8);
939 snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16);
940 snd_array_init(&codec->jacktbl, sizeof(struct hda_jack_tbl), 16);
941 snd_array_init(&codec->verbs, sizeof(struct hda_verb *), 8);
942 INIT_LIST_HEAD(&codec->conn_list);
943 INIT_LIST_HEAD(&codec->pcm_list_head);
944 INIT_DELAYED_WORK(&codec->jackpoll_work, hda_jackpoll_work);
945 refcount_set(&codec->pcm_ref, 1);
946 init_waitqueue_head(&codec->remove_sleep);
950 EXPORT_SYMBOL_GPL(snd_hda_codec_device_init);
953 * snd_hda_codec_new - create a HDA codec
954 * @bus: the bus to assign
955 * @card: card for this codec
956 * @codec_addr: the codec address
957 * @codecp: the pointer to store the generated codec
959 * Returns 0 if successful, or a negative error code.
961 int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card,
962 unsigned int codec_addr, struct hda_codec **codecp)
964 struct hda_codec *codec;
967 codec = snd_hda_codec_device_init(bus, codec_addr, "hdaudioC%dD%d",
968 card->number, codec_addr);
970 return PTR_ERR(codec);
973 ret = snd_hda_codec_device_new(bus, card, codec_addr, *codecp, true);
975 put_device(hda_codec_dev(*codecp));
979 EXPORT_SYMBOL_GPL(snd_hda_codec_new);
981 int snd_hda_codec_device_new(struct hda_bus *bus, struct snd_card *card,
982 unsigned int codec_addr, struct hda_codec *codec,
988 static const struct snd_device_ops dev_ops = {
989 .dev_register = snd_hda_codec_dev_register,
990 .dev_free = snd_hda_codec_dev_free,
993 dev_dbg(card->dev, "%s: entry\n", __func__);
995 if (snd_BUG_ON(!bus))
997 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
1000 codec->core.exec_verb = codec_exec_verb;
1002 codec->addr = codec_addr;
1005 codec->power_jiffies = jiffies;
1008 snd_hda_sysfs_init(codec);
1010 if (codec->bus->modelname) {
1011 codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL);
1012 if (!codec->modelname)
1016 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
1017 err = read_widget_caps(codec, fg);
1020 err = read_pin_defaults(codec);
1024 /* power-up all before initialization */
1025 hda_set_power_state(codec, AC_PWRST_D0);
1026 codec->core.dev.power.power_state = PMSG_ON;
1028 snd_hda_codec_proc_new(codec);
1030 snd_hda_create_hwdep(codec);
1032 sprintf(component, "HDA:%08x,%08x,%08x", codec->core.vendor_id,
1033 codec->core.subsystem_id, codec->core.revision_id);
1034 snd_component_add(card, component);
1036 if (snddev_managed) {
1037 /* ASoC features component management instead */
1038 err = snd_device_new(card, SNDRV_DEV_CODEC, codec, &dev_ops);
1044 /* PM runtime needs to be enabled later after binding codec */
1045 if (codec->core.dev.power.runtime_auto)
1046 pm_runtime_forbid(&codec->core.dev);
1048 /* Keep the usage_count consistent across subsequent probing */
1049 pm_runtime_get_noresume(&codec->core.dev);
1054 EXPORT_SYMBOL_GPL(snd_hda_codec_device_new);
1057 * snd_hda_codec_update_widgets - Refresh widget caps and pin defaults
1058 * @codec: the HDA codec
1060 * Forcibly refresh the all widget caps and the init pin configurations of
1063 int snd_hda_codec_update_widgets(struct hda_codec *codec)
1068 err = snd_hdac_refresh_widgets(&codec->core);
1072 /* Assume the function group node does not change,
1073 * only the widget nodes may change.
1075 kfree(codec->wcaps);
1076 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
1077 err = read_widget_caps(codec, fg);
1081 snd_array_free(&codec->init_pins);
1082 err = read_pin_defaults(codec);
1086 EXPORT_SYMBOL_GPL(snd_hda_codec_update_widgets);
1088 /* update the stream-id if changed */
1089 static void update_pcm_stream_id(struct hda_codec *codec,
1090 struct hda_cvt_setup *p, hda_nid_t nid,
1091 u32 stream_tag, int channel_id)
1093 unsigned int oldval, newval;
1095 if (p->stream_tag != stream_tag || p->channel_id != channel_id) {
1096 oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
1097 newval = (stream_tag << 4) | channel_id;
1098 if (oldval != newval)
1099 snd_hda_codec_write(codec, nid, 0,
1100 AC_VERB_SET_CHANNEL_STREAMID,
1102 p->stream_tag = stream_tag;
1103 p->channel_id = channel_id;
1107 /* update the format-id if changed */
1108 static void update_pcm_format(struct hda_codec *codec, struct hda_cvt_setup *p,
1109 hda_nid_t nid, int format)
1111 unsigned int oldval;
1113 if (p->format_id != format) {
1114 oldval = snd_hda_codec_read(codec, nid, 0,
1115 AC_VERB_GET_STREAM_FORMAT, 0);
1116 if (oldval != format) {
1118 snd_hda_codec_write(codec, nid, 0,
1119 AC_VERB_SET_STREAM_FORMAT,
1122 p->format_id = format;
1127 * snd_hda_codec_setup_stream - set up the codec for streaming
1128 * @codec: the CODEC to set up
1129 * @nid: the NID to set up
1130 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
1131 * @channel_id: channel id to pass, zero based.
1132 * @format: stream format.
1134 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
1136 int channel_id, int format)
1138 struct hda_codec *c;
1139 struct hda_cvt_setup *p;
1147 "hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
1148 nid, stream_tag, channel_id, format);
1149 p = get_hda_cvt_setup(codec, nid);
1153 if (codec->patch_ops.stream_pm)
1154 codec->patch_ops.stream_pm(codec, nid, true);
1155 if (codec->pcm_format_first)
1156 update_pcm_format(codec, p, nid, format);
1157 update_pcm_stream_id(codec, p, nid, stream_tag, channel_id);
1158 if (!codec->pcm_format_first)
1159 update_pcm_format(codec, p, nid, format);
1164 /* make other inactive cvts with the same stream-tag dirty */
1165 type = get_wcaps_type(get_wcaps(codec, nid));
1166 list_for_each_codec(c, codec->bus) {
1167 snd_array_for_each(&c->cvt_setups, i, p) {
1168 if (!p->active && p->stream_tag == stream_tag &&
1169 get_wcaps_type(get_wcaps(c, p->nid)) == type)
1174 EXPORT_SYMBOL_GPL(snd_hda_codec_setup_stream);
1176 static void really_cleanup_stream(struct hda_codec *codec,
1177 struct hda_cvt_setup *q);
1180 * __snd_hda_codec_cleanup_stream - clean up the codec for closing
1181 * @codec: the CODEC to clean up
1182 * @nid: the NID to clean up
1183 * @do_now: really clean up the stream instead of clearing the active flag
1185 void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
1188 struct hda_cvt_setup *p;
1193 if (codec->no_sticky_stream)
1196 codec_dbg(codec, "hda_codec_cleanup_stream: NID=0x%x\n", nid);
1197 p = get_hda_cvt_setup(codec, nid);
1199 /* here we just clear the active flag when do_now isn't set;
1200 * actual clean-ups will be done later in
1201 * purify_inactive_streams() called from snd_hda_codec_prpapre()
1204 really_cleanup_stream(codec, p);
1209 EXPORT_SYMBOL_GPL(__snd_hda_codec_cleanup_stream);
1211 static void really_cleanup_stream(struct hda_codec *codec,
1212 struct hda_cvt_setup *q)
1214 hda_nid_t nid = q->nid;
1215 if (q->stream_tag || q->channel_id)
1216 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1218 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0
1220 memset(q, 0, sizeof(*q));
1222 if (codec->patch_ops.stream_pm)
1223 codec->patch_ops.stream_pm(codec, nid, false);
1226 /* clean up the all conflicting obsolete streams */
1227 static void purify_inactive_streams(struct hda_codec *codec)
1229 struct hda_codec *c;
1230 struct hda_cvt_setup *p;
1233 list_for_each_codec(c, codec->bus) {
1234 snd_array_for_each(&c->cvt_setups, i, p) {
1236 really_cleanup_stream(c, p);
1242 /* clean up all streams; called from suspend */
1243 static void hda_cleanup_all_streams(struct hda_codec *codec)
1245 struct hda_cvt_setup *p;
1248 snd_array_for_each(&codec->cvt_setups, i, p) {
1250 really_cleanup_stream(codec, p);
1256 * amp access functions
1260 * query_amp_caps - query AMP capabilities
1261 * @codec: the HD-auio codec
1262 * @nid: the NID to query
1263 * @direction: either #HDA_INPUT or #HDA_OUTPUT
1265 * Query AMP capabilities for the given widget and direction.
1266 * Returns the obtained capability bits.
1268 * When cap bits have been already read, this doesn't read again but
1269 * returns the cached value.
1271 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
1273 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
1274 nid = codec->core.afg;
1275 return snd_hda_param_read(codec, nid,
1276 direction == HDA_OUTPUT ?
1277 AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
1279 EXPORT_SYMBOL_GPL(query_amp_caps);
1282 * snd_hda_check_amp_caps - query AMP capabilities
1283 * @codec: the HD-audio codec
1284 * @nid: the NID to query
1285 * @dir: either #HDA_INPUT or #HDA_OUTPUT
1286 * @bits: bit mask to check the result
1288 * Check whether the widget has the given amp capability for the direction.
1290 bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
1291 int dir, unsigned int bits)
1295 if (get_wcaps(codec, nid) & (1 << (dir + 1)))
1296 if (query_amp_caps(codec, nid, dir) & bits)
1300 EXPORT_SYMBOL_GPL(snd_hda_check_amp_caps);
1303 * snd_hda_override_amp_caps - Override the AMP capabilities
1304 * @codec: the CODEC to clean up
1305 * @nid: the NID to clean up
1306 * @dir: either #HDA_INPUT or #HDA_OUTPUT
1307 * @caps: the capability bits to set
1309 * Override the cached AMP caps bits value by the given one.
1310 * This function is useful if the driver needs to adjust the AMP ranges,
1311 * e.g. limit to 0dB, etc.
1313 * Returns zero if successful or a negative error code.
1315 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
1320 snd_hda_override_wcaps(codec, nid,
1321 get_wcaps(codec, nid) | AC_WCAP_AMP_OVRD);
1322 parm = dir == HDA_OUTPUT ? AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP;
1323 return snd_hdac_override_parm(&codec->core, nid, parm, caps);
1325 EXPORT_SYMBOL_GPL(snd_hda_override_amp_caps);
1327 static unsigned int encode_amp(struct hda_codec *codec, hda_nid_t nid,
1328 int ch, int dir, int idx)
1330 unsigned int cmd = snd_hdac_regmap_encode_amp(nid, ch, dir, idx);
1332 /* enable fake mute if no h/w mute but min=mute */
1333 if ((query_amp_caps(codec, nid, dir) &
1334 (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) == AC_AMPCAP_MIN_MUTE)
1335 cmd |= AC_AMP_FAKE_MUTE;
1340 * snd_hda_codec_amp_update - update the AMP mono value
1341 * @codec: HD-audio codec
1342 * @nid: NID to read the AMP value
1343 * @ch: channel to update (0 or 1)
1344 * @dir: #HDA_INPUT or #HDA_OUTPUT
1345 * @idx: the index value (only for input direction)
1346 * @mask: bit mask to set
1347 * @val: the bits value to set
1349 * Update the AMP values for the given channel, direction and index.
1351 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid,
1352 int ch, int dir, int idx, int mask, int val)
1354 unsigned int cmd = encode_amp(codec, nid, ch, dir, idx);
1356 return snd_hdac_regmap_update_raw(&codec->core, cmd, mask, val);
1358 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_update);
1361 * snd_hda_codec_amp_stereo - update the AMP stereo values
1362 * @codec: HD-audio codec
1363 * @nid: NID to read the AMP value
1364 * @direction: #HDA_INPUT or #HDA_OUTPUT
1365 * @idx: the index value (only for input direction)
1366 * @mask: bit mask to set
1367 * @val: the bits value to set
1369 * Update the AMP values like snd_hda_codec_amp_update(), but for a
1370 * stereo widget with the same mask and value.
1372 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
1373 int direction, int idx, int mask, int val)
1377 if (snd_BUG_ON(mask & ~0xff))
1379 for (ch = 0; ch < 2; ch++)
1380 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
1384 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_stereo);
1387 * snd_hda_codec_amp_init - initialize the AMP value
1388 * @codec: the HDA codec
1389 * @nid: NID to read the AMP value
1390 * @ch: channel (left=0 or right=1)
1391 * @dir: #HDA_INPUT or #HDA_OUTPUT
1392 * @idx: the index value (only for input direction)
1393 * @mask: bit mask to set
1394 * @val: the bits value to set
1396 * Works like snd_hda_codec_amp_update() but it writes the value only at
1397 * the first access. If the amp was already initialized / updated beforehand,
1398 * this does nothing.
1400 int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
1401 int dir, int idx, int mask, int val)
1403 unsigned int cmd = encode_amp(codec, nid, ch, dir, idx);
1405 if (!codec->core.regmap)
1407 return snd_hdac_regmap_update_raw_once(&codec->core, cmd, mask, val);
1409 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init);
1412 * snd_hda_codec_amp_init_stereo - initialize the stereo AMP value
1413 * @codec: the HDA codec
1414 * @nid: NID to read the AMP value
1415 * @dir: #HDA_INPUT or #HDA_OUTPUT
1416 * @idx: the index value (only for input direction)
1417 * @mask: bit mask to set
1418 * @val: the bits value to set
1420 * Call snd_hda_codec_amp_init() for both stereo channels.
1422 int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
1423 int dir, int idx, int mask, int val)
1427 if (snd_BUG_ON(mask & ~0xff))
1429 for (ch = 0; ch < 2; ch++)
1430 ret |= snd_hda_codec_amp_init(codec, nid, ch, dir,
1434 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init_stereo);
1436 static u32 get_amp_max_value(struct hda_codec *codec, hda_nid_t nid, int dir,
1439 u32 caps = query_amp_caps(codec, nid, dir);
1441 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1448 * snd_hda_mixer_amp_volume_info - Info callback for a standard AMP mixer
1449 * @kcontrol: referred ctl element
1450 * @uinfo: pointer to get/store the data
1452 * The control element is supposed to have the private_value field
1453 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1455 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
1456 struct snd_ctl_elem_info *uinfo)
1458 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1459 u16 nid = get_amp_nid(kcontrol);
1460 u8 chs = get_amp_channels(kcontrol);
1461 int dir = get_amp_direction(kcontrol);
1462 unsigned int ofs = get_amp_offset(kcontrol);
1464 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1465 uinfo->count = chs == 3 ? 2 : 1;
1466 uinfo->value.integer.min = 0;
1467 uinfo->value.integer.max = get_amp_max_value(codec, nid, dir, ofs);
1468 if (!uinfo->value.integer.max) {
1470 "num_steps = 0 for NID=0x%x (ctl = %s)\n",
1471 nid, kcontrol->id.name);
1476 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_info);
1479 static inline unsigned int
1480 read_amp_value(struct hda_codec *codec, hda_nid_t nid,
1481 int ch, int dir, int idx, unsigned int ofs)
1484 val = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
1485 val &= HDA_AMP_VOLMASK;
1494 update_amp_value(struct hda_codec *codec, hda_nid_t nid,
1495 int ch, int dir, int idx, unsigned int ofs,
1498 unsigned int maxval;
1502 /* ofs = 0: raw max value */
1503 maxval = get_amp_max_value(codec, nid, dir, 0);
1506 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx,
1507 HDA_AMP_VOLMASK, val);
1511 * snd_hda_mixer_amp_volume_get - Get callback for a standard AMP mixer volume
1512 * @kcontrol: ctl element
1513 * @ucontrol: pointer to get/store the data
1515 * The control element is supposed to have the private_value field
1516 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1518 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
1519 struct snd_ctl_elem_value *ucontrol)
1521 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1522 hda_nid_t nid = get_amp_nid(kcontrol);
1523 int chs = get_amp_channels(kcontrol);
1524 int dir = get_amp_direction(kcontrol);
1525 int idx = get_amp_index(kcontrol);
1526 unsigned int ofs = get_amp_offset(kcontrol);
1527 long *valp = ucontrol->value.integer.value;
1530 *valp++ = read_amp_value(codec, nid, 0, dir, idx, ofs);
1532 *valp = read_amp_value(codec, nid, 1, dir, idx, ofs);
1535 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_get);
1538 * snd_hda_mixer_amp_volume_put - Put callback for a standard AMP mixer volume
1539 * @kcontrol: ctl element
1540 * @ucontrol: pointer to get/store the data
1542 * The control element is supposed to have the private_value field
1543 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1545 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1546 struct snd_ctl_elem_value *ucontrol)
1548 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1549 hda_nid_t nid = get_amp_nid(kcontrol);
1550 int chs = get_amp_channels(kcontrol);
1551 int dir = get_amp_direction(kcontrol);
1552 int idx = get_amp_index(kcontrol);
1553 unsigned int ofs = get_amp_offset(kcontrol);
1554 long *valp = ucontrol->value.integer.value;
1558 change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp);
1562 change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp);
1565 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_put);
1567 /* inquiry the amp caps and convert to TLV */
1568 static void get_ctl_amp_tlv(struct snd_kcontrol *kcontrol, unsigned int *tlv)
1570 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1571 hda_nid_t nid = get_amp_nid(kcontrol);
1572 int dir = get_amp_direction(kcontrol);
1573 unsigned int ofs = get_amp_offset(kcontrol);
1574 bool min_mute = get_amp_min_mute(kcontrol);
1575 u32 caps, val1, val2;
1577 caps = query_amp_caps(codec, nid, dir);
1578 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1579 val2 = (val2 + 1) * 25;
1580 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1582 val1 = ((int)val1) * ((int)val2);
1583 if (min_mute || (caps & AC_AMPCAP_MIN_MUTE))
1584 val2 |= TLV_DB_SCALE_MUTE;
1585 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1586 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1587 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = val1;
1588 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = val2;
1592 * snd_hda_mixer_amp_tlv - TLV callback for a standard AMP mixer volume
1593 * @kcontrol: ctl element
1594 * @op_flag: operation flag
1595 * @size: byte size of input TLV
1598 * The control element is supposed to have the private_value field
1599 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1601 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1602 unsigned int size, unsigned int __user *_tlv)
1604 unsigned int tlv[4];
1606 if (size < 4 * sizeof(unsigned int))
1608 get_ctl_amp_tlv(kcontrol, tlv);
1609 if (copy_to_user(_tlv, tlv, sizeof(tlv)))
1613 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_tlv);
1616 * snd_hda_set_vmaster_tlv - Set TLV for a virtual master control
1617 * @codec: HD-audio codec
1618 * @nid: NID of a reference widget
1619 * @dir: #HDA_INPUT or #HDA_OUTPUT
1620 * @tlv: TLV data to be stored, at least 4 elements
1622 * Set (static) TLV data for a virtual master volume using the AMP caps
1623 * obtained from the reference NID.
1624 * The volume range is recalculated as if the max volume is 0dB.
1626 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1632 caps = query_amp_caps(codec, nid, dir);
1633 nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1634 step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1635 step = (step + 1) * 25;
1636 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1637 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1638 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = -nums * step;
1639 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = step;
1641 EXPORT_SYMBOL_GPL(snd_hda_set_vmaster_tlv);
1643 /* find a mixer control element with the given name */
1644 static struct snd_kcontrol *
1645 find_mixer_ctl(struct hda_codec *codec, const char *name, int dev, int idx)
1647 struct snd_ctl_elem_id id;
1648 memset(&id, 0, sizeof(id));
1649 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1652 if (snd_BUG_ON(strlen(name) >= sizeof(id.name)))
1654 strcpy(id.name, name);
1655 return snd_ctl_find_id(codec->card, &id);
1659 * snd_hda_find_mixer_ctl - Find a mixer control element with the given name
1660 * @codec: HD-audio codec
1661 * @name: ctl id name string
1663 * Get the control element with the given id string and IFACE_MIXER.
1665 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1668 return find_mixer_ctl(codec, name, 0, 0);
1670 EXPORT_SYMBOL_GPL(snd_hda_find_mixer_ctl);
1672 static int find_empty_mixer_ctl_idx(struct hda_codec *codec, const char *name,
1676 /* 16 ctlrs should be large enough */
1677 for (i = 0, idx = start_idx; i < 16; i++, idx++) {
1678 if (!find_mixer_ctl(codec, name, 0, idx))
1685 * snd_hda_ctl_add - Add a control element and assign to the codec
1686 * @codec: HD-audio codec
1687 * @nid: corresponding NID (optional)
1688 * @kctl: the control element to assign
1690 * Add the given control element to an array inside the codec instance.
1691 * All control elements belonging to a codec are supposed to be added
1692 * by this function so that a proper clean-up works at the free or
1693 * reconfiguration time.
1695 * If non-zero @nid is passed, the NID is assigned to the control element.
1696 * The assignment is shown in the codec proc file.
1698 * snd_hda_ctl_add() checks the control subdev id field whether
1699 * #HDA_SUBDEV_NID_FLAG bit is set. If set (and @nid is zero), the lower
1700 * bits value is taken as the NID to assign. The #HDA_NID_ITEM_AMP bit
1701 * specifies if kctl->private_value is a HDA amplifier value.
1703 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
1704 struct snd_kcontrol *kctl)
1707 unsigned short flags = 0;
1708 struct hda_nid_item *item;
1710 if (kctl->id.subdevice & HDA_SUBDEV_AMP_FLAG) {
1711 flags |= HDA_NID_ITEM_AMP;
1713 nid = get_amp_nid_(kctl->private_value);
1715 if ((kctl->id.subdevice & HDA_SUBDEV_NID_FLAG) != 0 && nid == 0)
1716 nid = kctl->id.subdevice & 0xffff;
1717 if (kctl->id.subdevice & (HDA_SUBDEV_NID_FLAG|HDA_SUBDEV_AMP_FLAG))
1718 kctl->id.subdevice = 0;
1719 err = snd_ctl_add(codec->card, kctl);
1722 item = snd_array_new(&codec->mixers);
1727 item->flags = flags;
1730 EXPORT_SYMBOL_GPL(snd_hda_ctl_add);
1733 * snd_hda_add_nid - Assign a NID to a control element
1734 * @codec: HD-audio codec
1735 * @nid: corresponding NID (optional)
1736 * @kctl: the control element to assign
1737 * @index: index to kctl
1739 * Add the given control element to an array inside the codec instance.
1740 * This function is used when #snd_hda_ctl_add cannot be used for 1:1
1741 * NID:KCTL mapping - for example "Capture Source" selector.
1743 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
1744 unsigned int index, hda_nid_t nid)
1746 struct hda_nid_item *item;
1749 item = snd_array_new(&codec->nids);
1753 item->index = index;
1757 codec_err(codec, "no NID for mapping control %s:%d:%d\n",
1758 kctl->id.name, kctl->id.index, index);
1761 EXPORT_SYMBOL_GPL(snd_hda_add_nid);
1764 * snd_hda_ctls_clear - Clear all controls assigned to the given codec
1765 * @codec: HD-audio codec
1767 void snd_hda_ctls_clear(struct hda_codec *codec)
1770 struct hda_nid_item *items = codec->mixers.list;
1772 down_write(&codec->card->controls_rwsem);
1773 for (i = 0; i < codec->mixers.used; i++)
1774 snd_ctl_remove(codec->card, items[i].kctl);
1775 up_write(&codec->card->controls_rwsem);
1776 snd_array_free(&codec->mixers);
1777 snd_array_free(&codec->nids);
1781 * snd_hda_lock_devices - pseudo device locking
1784 * toggle card->shutdown to allow/disallow the device access (as a hack)
1786 int snd_hda_lock_devices(struct hda_bus *bus)
1788 struct snd_card *card = bus->card;
1789 struct hda_codec *codec;
1791 spin_lock(&card->files_lock);
1795 if (!list_empty(&card->ctl_files))
1798 list_for_each_codec(codec, bus) {
1799 struct hda_pcm *cpcm;
1800 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
1803 if (cpcm->pcm->streams[0].substream_opened ||
1804 cpcm->pcm->streams[1].substream_opened)
1808 spin_unlock(&card->files_lock);
1814 spin_unlock(&card->files_lock);
1817 EXPORT_SYMBOL_GPL(snd_hda_lock_devices);
1820 * snd_hda_unlock_devices - pseudo device unlocking
1823 void snd_hda_unlock_devices(struct hda_bus *bus)
1825 struct snd_card *card = bus->card;
1827 spin_lock(&card->files_lock);
1829 spin_unlock(&card->files_lock);
1831 EXPORT_SYMBOL_GPL(snd_hda_unlock_devices);
1834 * snd_hda_codec_reset - Clear all objects assigned to the codec
1835 * @codec: HD-audio codec
1837 * This frees the all PCM and control elements assigned to the codec, and
1838 * clears the caches and restores the pin default configurations.
1840 * When a device is being used, it returns -EBSY. If successfully freed,
1843 int snd_hda_codec_reset(struct hda_codec *codec)
1845 struct hda_bus *bus = codec->bus;
1847 if (snd_hda_lock_devices(bus) < 0)
1850 /* OK, let it free */
1851 device_release_driver(hda_codec_dev(codec));
1853 /* allow device access again */
1854 snd_hda_unlock_devices(bus);
1858 typedef int (*map_follower_func_t)(struct hda_codec *, void *, struct snd_kcontrol *);
1860 /* apply the function to all matching follower ctls in the mixer list */
1861 static int map_followers(struct hda_codec *codec, const char * const *followers,
1862 const char *suffix, map_follower_func_t func, void *data)
1864 struct hda_nid_item *items;
1865 const char * const *s;
1868 items = codec->mixers.list;
1869 for (i = 0; i < codec->mixers.used; i++) {
1870 struct snd_kcontrol *sctl = items[i].kctl;
1871 if (!sctl || sctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER)
1873 for (s = followers; *s; s++) {
1874 char tmpname[sizeof(sctl->id.name)];
1875 const char *name = *s;
1877 snprintf(tmpname, sizeof(tmpname), "%s %s",
1881 if (!strcmp(sctl->id.name, name)) {
1882 err = func(codec, data, sctl);
1892 static int check_follower_present(struct hda_codec *codec,
1893 void *data, struct snd_kcontrol *sctl)
1898 /* call kctl->put with the given value(s) */
1899 static int put_kctl_with_value(struct snd_kcontrol *kctl, int val)
1901 struct snd_ctl_elem_value *ucontrol;
1902 ucontrol = kzalloc(sizeof(*ucontrol), GFP_KERNEL);
1905 ucontrol->value.integer.value[0] = val;
1906 ucontrol->value.integer.value[1] = val;
1907 kctl->put(kctl, ucontrol);
1912 struct follower_init_arg {
1913 struct hda_codec *codec;
1917 /* initialize the follower volume with 0dB via snd_ctl_apply_vmaster_followers() */
1918 static int init_follower_0dB(struct snd_kcontrol *follower,
1919 struct snd_kcontrol *kctl,
1922 struct follower_init_arg *arg = _arg;
1924 const int *tlv = NULL;
1928 if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
1929 if (kctl->tlv.c != snd_hda_mixer_amp_tlv) {
1930 codec_err(arg->codec,
1931 "Unexpected TLV callback for follower %s:%d\n",
1932 kctl->id.name, kctl->id.index);
1933 return 0; /* ignore */
1935 get_ctl_amp_tlv(kctl, _tlv);
1937 } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ)
1940 if (!tlv || tlv[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE)
1943 step = tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP];
1944 step &= ~TLV_DB_SCALE_MUTE;
1947 if (arg->step && arg->step != step) {
1948 codec_err(arg->codec,
1949 "Mismatching dB step for vmaster follower (%d!=%d)\n",
1955 val = -tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] / step;
1957 put_kctl_with_value(follower, val);
1964 /* unmute the follower via snd_ctl_apply_vmaster_followers() */
1965 static int init_follower_unmute(struct snd_kcontrol *follower,
1966 struct snd_kcontrol *kctl,
1969 return put_kctl_with_value(follower, 1);
1972 static int add_follower(struct hda_codec *codec,
1973 void *data, struct snd_kcontrol *follower)
1975 return snd_ctl_add_follower(data, follower);
1979 * __snd_hda_add_vmaster - create a virtual master control and add followers
1980 * @codec: HD-audio codec
1981 * @name: vmaster control name
1982 * @tlv: TLV data (optional)
1983 * @followers: follower control names (optional)
1984 * @suffix: suffix string to each follower name (optional)
1985 * @init_follower_vol: initialize followers to unmute/0dB
1986 * @access: kcontrol access rights
1987 * @ctl_ret: store the vmaster kcontrol in return
1989 * Create a virtual master control with the given name. The TLV data
1990 * must be either NULL or a valid data.
1992 * @followers is a NULL-terminated array of strings, each of which is a
1993 * follower control name. All controls with these names are assigned to
1994 * the new virtual master control.
1996 * This function returns zero if successful or a negative error code.
1998 int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
1999 unsigned int *tlv, const char * const *followers,
2000 const char *suffix, bool init_follower_vol,
2001 unsigned int access, struct snd_kcontrol **ctl_ret)
2003 struct snd_kcontrol *kctl;
2009 err = map_followers(codec, followers, suffix, check_follower_present, NULL);
2011 codec_dbg(codec, "No follower found for %s\n", name);
2014 kctl = snd_ctl_make_virtual_master(name, tlv);
2017 kctl->vd[0].access |= access;
2018 err = snd_hda_ctl_add(codec, 0, kctl);
2022 err = map_followers(codec, followers, suffix, add_follower, kctl);
2026 /* init with master mute & zero volume */
2027 put_kctl_with_value(kctl, 0);
2028 if (init_follower_vol) {
2029 struct follower_init_arg arg = {
2033 snd_ctl_apply_vmaster_followers(kctl,
2034 tlv ? init_follower_0dB : init_follower_unmute,
2042 EXPORT_SYMBOL_GPL(__snd_hda_add_vmaster);
2044 /* meta hook to call each driver's vmaster hook */
2045 static void vmaster_hook(void *private_data, int enabled)
2047 struct hda_vmaster_mute_hook *hook = private_data;
2049 hook->hook(hook->codec, enabled);
2053 * snd_hda_add_vmaster_hook - Add a vmaster hw specific hook
2054 * @codec: the HDA codec
2055 * @hook: the vmaster hook object
2057 * Add a hw specific hook (like EAPD) with the given vmaster switch kctl.
2059 int snd_hda_add_vmaster_hook(struct hda_codec *codec,
2060 struct hda_vmaster_mute_hook *hook)
2062 if (!hook->hook || !hook->sw_kctl)
2064 hook->codec = codec;
2065 snd_ctl_add_vmaster_hook(hook->sw_kctl, vmaster_hook, hook);
2068 EXPORT_SYMBOL_GPL(snd_hda_add_vmaster_hook);
2071 * snd_hda_sync_vmaster_hook - Sync vmaster hook
2072 * @hook: the vmaster hook
2074 * Call the hook with the current value for synchronization.
2075 * Should be called in init callback.
2077 void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook)
2079 if (!hook->hook || !hook->codec)
2081 /* don't call vmaster hook in the destructor since it might have
2082 * been already destroyed
2084 if (hook->codec->bus->shutdown)
2086 snd_ctl_sync_vmaster_hook(hook->sw_kctl);
2088 EXPORT_SYMBOL_GPL(snd_hda_sync_vmaster_hook);
2092 * snd_hda_mixer_amp_switch_info - Info callback for a standard AMP mixer switch
2093 * @kcontrol: referred ctl element
2094 * @uinfo: pointer to get/store the data
2096 * The control element is supposed to have the private_value field
2097 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2099 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
2100 struct snd_ctl_elem_info *uinfo)
2102 int chs = get_amp_channels(kcontrol);
2104 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2105 uinfo->count = chs == 3 ? 2 : 1;
2106 uinfo->value.integer.min = 0;
2107 uinfo->value.integer.max = 1;
2110 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_info);
2113 * snd_hda_mixer_amp_switch_get - Get callback for a standard AMP mixer switch
2114 * @kcontrol: ctl element
2115 * @ucontrol: pointer to get/store the data
2117 * The control element is supposed to have the private_value field
2118 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2120 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
2121 struct snd_ctl_elem_value *ucontrol)
2123 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2124 hda_nid_t nid = get_amp_nid(kcontrol);
2125 int chs = get_amp_channels(kcontrol);
2126 int dir = get_amp_direction(kcontrol);
2127 int idx = get_amp_index(kcontrol);
2128 long *valp = ucontrol->value.integer.value;
2131 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
2132 HDA_AMP_MUTE) ? 0 : 1;
2134 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
2135 HDA_AMP_MUTE) ? 0 : 1;
2138 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_get);
2141 * snd_hda_mixer_amp_switch_put - Put callback for a standard AMP mixer switch
2142 * @kcontrol: ctl element
2143 * @ucontrol: pointer to get/store the data
2145 * The control element is supposed to have the private_value field
2146 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2148 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
2149 struct snd_ctl_elem_value *ucontrol)
2151 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2152 hda_nid_t nid = get_amp_nid(kcontrol);
2153 int chs = get_amp_channels(kcontrol);
2154 int dir = get_amp_direction(kcontrol);
2155 int idx = get_amp_index(kcontrol);
2156 long *valp = ucontrol->value.integer.value;
2160 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
2162 *valp ? 0 : HDA_AMP_MUTE);
2166 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
2168 *valp ? 0 : HDA_AMP_MUTE);
2169 hda_call_check_power_status(codec, nid);
2172 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put);
2175 * SPDIF out controls
2178 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
2179 struct snd_ctl_elem_info *uinfo)
2181 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2186 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
2187 struct snd_ctl_elem_value *ucontrol)
2189 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2190 IEC958_AES0_NONAUDIO |
2191 IEC958_AES0_CON_EMPHASIS_5015 |
2192 IEC958_AES0_CON_NOT_COPYRIGHT;
2193 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
2194 IEC958_AES1_CON_ORIGINAL;
2198 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
2199 struct snd_ctl_elem_value *ucontrol)
2201 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2202 IEC958_AES0_NONAUDIO |
2203 IEC958_AES0_PRO_EMPHASIS_5015;
2207 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
2208 struct snd_ctl_elem_value *ucontrol)
2210 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2211 int idx = kcontrol->private_value;
2212 struct hda_spdif_out *spdif;
2214 if (WARN_ON(codec->spdif_out.used <= idx))
2216 mutex_lock(&codec->spdif_mutex);
2217 spdif = snd_array_elem(&codec->spdif_out, idx);
2218 ucontrol->value.iec958.status[0] = spdif->status & 0xff;
2219 ucontrol->value.iec958.status[1] = (spdif->status >> 8) & 0xff;
2220 ucontrol->value.iec958.status[2] = (spdif->status >> 16) & 0xff;
2221 ucontrol->value.iec958.status[3] = (spdif->status >> 24) & 0xff;
2222 mutex_unlock(&codec->spdif_mutex);
2227 /* convert from SPDIF status bits to HDA SPDIF bits
2228 * bit 0 (DigEn) is always set zero (to be filled later)
2230 static unsigned short convert_from_spdif_status(unsigned int sbits)
2232 unsigned short val = 0;
2234 if (sbits & IEC958_AES0_PROFESSIONAL)
2235 val |= AC_DIG1_PROFESSIONAL;
2236 if (sbits & IEC958_AES0_NONAUDIO)
2237 val |= AC_DIG1_NONAUDIO;
2238 if (sbits & IEC958_AES0_PROFESSIONAL) {
2239 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
2240 IEC958_AES0_PRO_EMPHASIS_5015)
2241 val |= AC_DIG1_EMPHASIS;
2243 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
2244 IEC958_AES0_CON_EMPHASIS_5015)
2245 val |= AC_DIG1_EMPHASIS;
2246 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
2247 val |= AC_DIG1_COPYRIGHT;
2248 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
2249 val |= AC_DIG1_LEVEL;
2250 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
2255 /* convert to SPDIF status bits from HDA SPDIF bits
2257 static unsigned int convert_to_spdif_status(unsigned short val)
2259 unsigned int sbits = 0;
2261 if (val & AC_DIG1_NONAUDIO)
2262 sbits |= IEC958_AES0_NONAUDIO;
2263 if (val & AC_DIG1_PROFESSIONAL)
2264 sbits |= IEC958_AES0_PROFESSIONAL;
2265 if (sbits & IEC958_AES0_PROFESSIONAL) {
2266 if (val & AC_DIG1_EMPHASIS)
2267 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
2269 if (val & AC_DIG1_EMPHASIS)
2270 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
2271 if (!(val & AC_DIG1_COPYRIGHT))
2272 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
2273 if (val & AC_DIG1_LEVEL)
2274 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
2275 sbits |= val & (0x7f << 8);
2280 /* set digital convert verbs both for the given NID and its followers */
2281 static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
2286 snd_hdac_regmap_update(&codec->core, nid, AC_VERB_SET_DIGI_CONVERT_1,
2288 d = codec->follower_dig_outs;
2292 snd_hdac_regmap_update(&codec->core, *d,
2293 AC_VERB_SET_DIGI_CONVERT_1, mask, val);
2296 static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
2299 unsigned int mask = 0;
2300 unsigned int val = 0;
2310 set_dig_out(codec, nid, mask, val);
2313 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
2314 struct snd_ctl_elem_value *ucontrol)
2316 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2317 int idx = kcontrol->private_value;
2318 struct hda_spdif_out *spdif;
2323 if (WARN_ON(codec->spdif_out.used <= idx))
2325 mutex_lock(&codec->spdif_mutex);
2326 spdif = snd_array_elem(&codec->spdif_out, idx);
2328 spdif->status = ucontrol->value.iec958.status[0] |
2329 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
2330 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
2331 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
2332 val = convert_from_spdif_status(spdif->status);
2333 val |= spdif->ctls & 1;
2334 change = spdif->ctls != val;
2336 if (change && nid != (u16)-1)
2337 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
2338 mutex_unlock(&codec->spdif_mutex);
2342 #define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
2344 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
2345 struct snd_ctl_elem_value *ucontrol)
2347 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2348 int idx = kcontrol->private_value;
2349 struct hda_spdif_out *spdif;
2351 if (WARN_ON(codec->spdif_out.used <= idx))
2353 mutex_lock(&codec->spdif_mutex);
2354 spdif = snd_array_elem(&codec->spdif_out, idx);
2355 ucontrol->value.integer.value[0] = spdif->ctls & AC_DIG1_ENABLE;
2356 mutex_unlock(&codec->spdif_mutex);
2360 static inline void set_spdif_ctls(struct hda_codec *codec, hda_nid_t nid,
2363 set_dig_out_convert(codec, nid, dig1, dig2);
2364 /* unmute amp switch (if any) */
2365 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
2366 (dig1 & AC_DIG1_ENABLE))
2367 snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
2371 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
2372 struct snd_ctl_elem_value *ucontrol)
2374 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2375 int idx = kcontrol->private_value;
2376 struct hda_spdif_out *spdif;
2381 if (WARN_ON(codec->spdif_out.used <= idx))
2383 mutex_lock(&codec->spdif_mutex);
2384 spdif = snd_array_elem(&codec->spdif_out, idx);
2386 val = spdif->ctls & ~AC_DIG1_ENABLE;
2387 if (ucontrol->value.integer.value[0])
2388 val |= AC_DIG1_ENABLE;
2389 change = spdif->ctls != val;
2391 if (change && nid != (u16)-1)
2392 set_spdif_ctls(codec, nid, val & 0xff, -1);
2393 mutex_unlock(&codec->spdif_mutex);
2397 static const struct snd_kcontrol_new dig_mixes[] = {
2399 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2400 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2401 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
2402 .info = snd_hda_spdif_mask_info,
2403 .get = snd_hda_spdif_cmask_get,
2406 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2407 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2408 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
2409 .info = snd_hda_spdif_mask_info,
2410 .get = snd_hda_spdif_pmask_get,
2413 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2414 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
2415 .info = snd_hda_spdif_mask_info,
2416 .get = snd_hda_spdif_default_get,
2417 .put = snd_hda_spdif_default_put,
2420 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2421 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
2422 .info = snd_hda_spdif_out_switch_info,
2423 .get = snd_hda_spdif_out_switch_get,
2424 .put = snd_hda_spdif_out_switch_put,
2430 * snd_hda_create_dig_out_ctls - create Output SPDIF-related controls
2431 * @codec: the HDA codec
2432 * @associated_nid: NID that new ctls associated with
2433 * @cvt_nid: converter NID
2434 * @type: HDA_PCM_TYPE_*
2435 * Creates controls related with the digital output.
2436 * Called from each patch supporting the digital out.
2438 * Returns 0 if successful, or a negative error code.
2440 int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
2441 hda_nid_t associated_nid,
2446 struct snd_kcontrol *kctl;
2447 const struct snd_kcontrol_new *dig_mix;
2450 const int spdif_index = 16;
2451 struct hda_spdif_out *spdif;
2452 struct hda_bus *bus = codec->bus;
2454 if (bus->primary_dig_out_type == HDA_PCM_TYPE_HDMI &&
2455 type == HDA_PCM_TYPE_SPDIF) {
2457 } else if (bus->primary_dig_out_type == HDA_PCM_TYPE_SPDIF &&
2458 type == HDA_PCM_TYPE_HDMI) {
2459 /* suppose a single SPDIF device */
2460 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2461 kctl = find_mixer_ctl(codec, dig_mix->name, 0, 0);
2464 kctl->id.index = spdif_index;
2466 bus->primary_dig_out_type = HDA_PCM_TYPE_HDMI;
2468 if (!bus->primary_dig_out_type)
2469 bus->primary_dig_out_type = type;
2471 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Playback Switch", idx);
2473 codec_err(codec, "too many IEC958 outputs\n");
2476 spdif = snd_array_new(&codec->spdif_out);
2479 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2480 kctl = snd_ctl_new1(dig_mix, codec);
2483 kctl->id.index = idx;
2484 kctl->private_value = codec->spdif_out.used - 1;
2485 err = snd_hda_ctl_add(codec, associated_nid, kctl);
2489 spdif->nid = cvt_nid;
2490 snd_hdac_regmap_read(&codec->core, cvt_nid,
2491 AC_VERB_GET_DIGI_CONVERT_1, &val);
2493 spdif->status = convert_to_spdif_status(spdif->ctls);
2496 EXPORT_SYMBOL_GPL(snd_hda_create_dig_out_ctls);
2499 * snd_hda_spdif_out_of_nid - get the hda_spdif_out entry from the given NID
2500 * @codec: the HDA codec
2503 * call within spdif_mutex lock
2505 struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
2508 struct hda_spdif_out *spdif;
2511 snd_array_for_each(&codec->spdif_out, i, spdif) {
2512 if (spdif->nid == nid)
2517 EXPORT_SYMBOL_GPL(snd_hda_spdif_out_of_nid);
2520 * snd_hda_spdif_ctls_unassign - Unassign the given SPDIF ctl
2521 * @codec: the HDA codec
2522 * @idx: the SPDIF ctl index
2524 * Unassign the widget from the given SPDIF control.
2526 void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx)
2528 struct hda_spdif_out *spdif;
2530 if (WARN_ON(codec->spdif_out.used <= idx))
2532 mutex_lock(&codec->spdif_mutex);
2533 spdif = snd_array_elem(&codec->spdif_out, idx);
2534 spdif->nid = (u16)-1;
2535 mutex_unlock(&codec->spdif_mutex);
2537 EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_unassign);
2540 * snd_hda_spdif_ctls_assign - Assign the SPDIF controls to the given NID
2541 * @codec: the HDA codec
2542 * @idx: the SPDIF ctl idx
2545 * Assign the widget to the SPDIF control with the given index.
2547 void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid)
2549 struct hda_spdif_out *spdif;
2552 if (WARN_ON(codec->spdif_out.used <= idx))
2554 mutex_lock(&codec->spdif_mutex);
2555 spdif = snd_array_elem(&codec->spdif_out, idx);
2556 if (spdif->nid != nid) {
2559 set_spdif_ctls(codec, nid, val & 0xff, (val >> 8) & 0xff);
2561 mutex_unlock(&codec->spdif_mutex);
2563 EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_assign);
2566 * SPDIF sharing with analog output
2568 static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
2569 struct snd_ctl_elem_value *ucontrol)
2571 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2572 ucontrol->value.integer.value[0] = mout->share_spdif;
2576 static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
2577 struct snd_ctl_elem_value *ucontrol)
2579 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2580 mout->share_spdif = !!ucontrol->value.integer.value[0];
2584 static const struct snd_kcontrol_new spdif_share_sw = {
2585 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2586 .name = "IEC958 Default PCM Playback Switch",
2587 .info = snd_ctl_boolean_mono_info,
2588 .get = spdif_share_sw_get,
2589 .put = spdif_share_sw_put,
2593 * snd_hda_create_spdif_share_sw - create Default PCM switch
2594 * @codec: the HDA codec
2595 * @mout: multi-out instance
2597 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
2598 struct hda_multi_out *mout)
2600 struct snd_kcontrol *kctl;
2602 if (!mout->dig_out_nid)
2605 kctl = snd_ctl_new1(&spdif_share_sw, mout);
2608 /* ATTENTION: here mout is passed as private_data, instead of codec */
2609 return snd_hda_ctl_add(codec, mout->dig_out_nid, kctl);
2611 EXPORT_SYMBOL_GPL(snd_hda_create_spdif_share_sw);
2617 #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
2619 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
2620 struct snd_ctl_elem_value *ucontrol)
2622 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2624 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
2628 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
2629 struct snd_ctl_elem_value *ucontrol)
2631 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2632 hda_nid_t nid = kcontrol->private_value;
2633 unsigned int val = !!ucontrol->value.integer.value[0];
2636 mutex_lock(&codec->spdif_mutex);
2637 change = codec->spdif_in_enable != val;
2639 codec->spdif_in_enable = val;
2640 snd_hdac_regmap_write(&codec->core, nid,
2641 AC_VERB_SET_DIGI_CONVERT_1, val);
2643 mutex_unlock(&codec->spdif_mutex);
2647 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
2648 struct snd_ctl_elem_value *ucontrol)
2650 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2651 hda_nid_t nid = kcontrol->private_value;
2655 snd_hdac_regmap_read(&codec->core, nid,
2656 AC_VERB_GET_DIGI_CONVERT_1, &val);
2657 sbits = convert_to_spdif_status(val);
2658 ucontrol->value.iec958.status[0] = sbits;
2659 ucontrol->value.iec958.status[1] = sbits >> 8;
2660 ucontrol->value.iec958.status[2] = sbits >> 16;
2661 ucontrol->value.iec958.status[3] = sbits >> 24;
2665 static const struct snd_kcontrol_new dig_in_ctls[] = {
2667 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2668 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, SWITCH),
2669 .info = snd_hda_spdif_in_switch_info,
2670 .get = snd_hda_spdif_in_switch_get,
2671 .put = snd_hda_spdif_in_switch_put,
2674 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2675 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2676 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
2677 .info = snd_hda_spdif_mask_info,
2678 .get = snd_hda_spdif_in_status_get,
2684 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
2685 * @codec: the HDA codec
2686 * @nid: audio in widget NID
2688 * Creates controls related with the SPDIF input.
2689 * Called from each patch supporting the SPDIF in.
2691 * Returns 0 if successful, or a negative error code.
2693 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
2696 struct snd_kcontrol *kctl;
2697 const struct snd_kcontrol_new *dig_mix;
2700 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Capture Switch", 0);
2702 codec_err(codec, "too many IEC958 inputs\n");
2705 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
2706 kctl = snd_ctl_new1(dig_mix, codec);
2709 kctl->private_value = nid;
2710 err = snd_hda_ctl_add(codec, nid, kctl);
2714 codec->spdif_in_enable =
2715 snd_hda_codec_read(codec, nid, 0,
2716 AC_VERB_GET_DIGI_CONVERT_1, 0) &
2720 EXPORT_SYMBOL_GPL(snd_hda_create_spdif_in_ctls);
2723 * snd_hda_codec_set_power_to_all - Set the power state to all widgets
2724 * @codec: the HDA codec
2725 * @fg: function group (not used now)
2726 * @power_state: the power state to set (AC_PWRST_*)
2728 * Set the given power state to all widgets that have the power control.
2729 * If the codec has power_filter set, it evaluates the power state and
2730 * filter out if it's unchanged as D3.
2732 void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
2733 unsigned int power_state)
2737 for_each_hda_codec_node(nid, codec) {
2738 unsigned int wcaps = get_wcaps(codec, nid);
2739 unsigned int state = power_state;
2740 if (!(wcaps & AC_WCAP_POWER))
2742 if (codec->power_filter) {
2743 state = codec->power_filter(codec, nid, power_state);
2744 if (state != power_state && power_state == AC_PWRST_D3)
2747 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
2751 EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_to_all);
2754 * snd_hda_codec_eapd_power_filter - A power filter callback for EAPD
2755 * @codec: the HDA codec
2757 * @power_state: power state to evalue
2759 * Don't power down the widget if it controls eapd and EAPD_BTLENABLE is set.
2760 * This can be used a codec power_filter callback.
2762 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
2764 unsigned int power_state)
2766 if (nid == codec->core.afg || nid == codec->core.mfg)
2768 if (power_state == AC_PWRST_D3 &&
2769 get_wcaps_type(get_wcaps(codec, nid)) == AC_WID_PIN &&
2770 (snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_EAPD)) {
2771 int eapd = snd_hda_codec_read(codec, nid, 0,
2772 AC_VERB_GET_EAPD_BTLENABLE, 0);
2778 EXPORT_SYMBOL_GPL(snd_hda_codec_eapd_power_filter);
2781 * set power state of the codec, and return the power state
2783 static unsigned int hda_set_power_state(struct hda_codec *codec,
2784 unsigned int power_state)
2786 hda_nid_t fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
2791 /* this delay seems necessary to avoid click noise at power-down */
2792 if (power_state == AC_PWRST_D3) {
2793 if (codec->depop_delay < 0)
2794 msleep(codec_has_epss(codec) ? 10 : 100);
2795 else if (codec->depop_delay > 0)
2796 msleep(codec->depop_delay);
2797 flags = HDA_RW_NO_RESPONSE_FALLBACK;
2800 /* repeat power states setting at most 10 times*/
2801 for (count = 0; count < 10; count++) {
2802 if (codec->patch_ops.set_power_state)
2803 codec->patch_ops.set_power_state(codec, fg,
2806 state = power_state;
2807 if (codec->power_filter)
2808 state = codec->power_filter(codec, fg, state);
2809 if (state == power_state || power_state != AC_PWRST_D3)
2810 snd_hda_codec_read(codec, fg, flags,
2811 AC_VERB_SET_POWER_STATE,
2813 snd_hda_codec_set_power_to_all(codec, fg, power_state);
2815 state = snd_hda_sync_power_state(codec, fg, power_state);
2816 if (!(state & AC_PWRST_ERROR))
2823 /* sync power states of all widgets;
2824 * this is called at the end of codec parsing
2826 static void sync_power_up_states(struct hda_codec *codec)
2830 /* don't care if no filter is used */
2831 if (!codec->power_filter)
2834 for_each_hda_codec_node(nid, codec) {
2835 unsigned int wcaps = get_wcaps(codec, nid);
2836 unsigned int target;
2837 if (!(wcaps & AC_WCAP_POWER))
2839 target = codec->power_filter(codec, nid, AC_PWRST_D0);
2840 if (target == AC_PWRST_D0)
2842 if (!snd_hda_check_power_state(codec, nid, target))
2843 snd_hda_codec_write(codec, nid, 0,
2844 AC_VERB_SET_POWER_STATE, target);
2848 #ifdef CONFIG_SND_HDA_RECONFIG
2849 /* execute additional init verbs */
2850 static void hda_exec_init_verbs(struct hda_codec *codec)
2852 if (codec->init_verbs.list)
2853 snd_hda_sequence_write(codec, codec->init_verbs.list);
2856 static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
2860 /* update the power on/off account with the current jiffies */
2861 static void update_power_acct(struct hda_codec *codec, bool on)
2863 unsigned long delta = jiffies - codec->power_jiffies;
2866 codec->power_on_acct += delta;
2868 codec->power_off_acct += delta;
2869 codec->power_jiffies += delta;
2872 void snd_hda_update_power_acct(struct hda_codec *codec)
2874 update_power_acct(codec, hda_codec_is_power_on(codec));
2878 * call suspend and power-down; used both from PM and power-save
2879 * this function returns the power state in the end
2881 static unsigned int hda_call_codec_suspend(struct hda_codec *codec)
2885 snd_hdac_enter_pm(&codec->core);
2886 if (codec->patch_ops.suspend)
2887 codec->patch_ops.suspend(codec);
2888 if (!codec->no_stream_clean_at_suspend)
2889 hda_cleanup_all_streams(codec);
2890 state = hda_set_power_state(codec, AC_PWRST_D3);
2891 update_power_acct(codec, true);
2892 snd_hdac_leave_pm(&codec->core);
2897 * kick up codec; used both from PM and power-save
2899 static void hda_call_codec_resume(struct hda_codec *codec)
2901 snd_hdac_enter_pm(&codec->core);
2902 if (codec->core.regmap)
2903 regcache_mark_dirty(codec->core.regmap);
2905 codec->power_jiffies = jiffies;
2907 hda_set_power_state(codec, AC_PWRST_D0);
2908 restore_shutup_pins(codec);
2909 hda_exec_init_verbs(codec);
2910 snd_hda_jack_set_dirty_all(codec);
2911 if (codec->patch_ops.resume)
2912 codec->patch_ops.resume(codec);
2914 if (codec->patch_ops.init)
2915 codec->patch_ops.init(codec);
2916 snd_hda_regmap_sync(codec);
2919 if (codec->jackpoll_interval)
2920 hda_jackpoll_work(&codec->jackpoll_work.work);
2922 snd_hda_jack_report_sync(codec);
2923 codec->core.dev.power.power_state = PMSG_ON;
2924 snd_hdac_leave_pm(&codec->core);
2927 static int hda_codec_runtime_suspend(struct device *dev)
2929 struct hda_codec *codec = dev_to_hda_codec(dev);
2932 /* Nothing to do if card registration fails and the component driver never probes */
2936 cancel_delayed_work_sync(&codec->jackpoll_work);
2938 state = hda_call_codec_suspend(codec);
2939 if (codec->link_down_at_suspend ||
2940 (codec_has_clkstop(codec) && codec_has_epss(codec) &&
2941 (state & AC_PWRST_CLK_STOP_OK)))
2942 snd_hdac_codec_link_down(&codec->core);
2943 snd_hda_codec_display_power(codec, false);
2945 if (codec->bus->jackpoll_in_suspend &&
2946 (dev->power.power_state.event != PM_EVENT_SUSPEND))
2947 schedule_delayed_work(&codec->jackpoll_work,
2948 codec->jackpoll_interval);
2952 static int hda_codec_runtime_resume(struct device *dev)
2954 struct hda_codec *codec = dev_to_hda_codec(dev);
2956 /* Nothing to do if card registration fails and the component driver never probes */
2960 snd_hda_codec_display_power(codec, true);
2961 snd_hdac_codec_link_up(&codec->core);
2962 hda_call_codec_resume(codec);
2963 pm_runtime_mark_last_busy(dev);
2967 #endif /* CONFIG_PM */
2969 #ifdef CONFIG_PM_SLEEP
2970 static int hda_codec_pm_prepare(struct device *dev)
2972 struct hda_codec *codec = dev_to_hda_codec(dev);
2974 cancel_delayed_work_sync(&codec->jackpoll_work);
2975 dev->power.power_state = PMSG_SUSPEND;
2976 return pm_runtime_suspended(dev);
2979 static void hda_codec_pm_complete(struct device *dev)
2981 struct hda_codec *codec = dev_to_hda_codec(dev);
2983 /* If no other pm-functions are called between prepare() and complete() */
2984 if (dev->power.power_state.event == PM_EVENT_SUSPEND)
2985 dev->power.power_state = PMSG_RESUME;
2987 if (pm_runtime_suspended(dev) && (codec->jackpoll_interval ||
2988 hda_codec_need_resume(codec) || codec->forced_resume))
2989 pm_request_resume(dev);
2992 static int hda_codec_pm_suspend(struct device *dev)
2994 dev->power.power_state = PMSG_SUSPEND;
2995 return pm_runtime_force_suspend(dev);
2998 static int hda_codec_pm_resume(struct device *dev)
3000 dev->power.power_state = PMSG_RESUME;
3001 return pm_runtime_force_resume(dev);
3004 static int hda_codec_pm_freeze(struct device *dev)
3006 struct hda_codec *codec = dev_to_hda_codec(dev);
3008 cancel_delayed_work_sync(&codec->jackpoll_work);
3009 dev->power.power_state = PMSG_FREEZE;
3010 return pm_runtime_force_suspend(dev);
3013 static int hda_codec_pm_thaw(struct device *dev)
3015 dev->power.power_state = PMSG_THAW;
3016 return pm_runtime_force_resume(dev);
3019 static int hda_codec_pm_restore(struct device *dev)
3021 dev->power.power_state = PMSG_RESTORE;
3022 return pm_runtime_force_resume(dev);
3024 #endif /* CONFIG_PM_SLEEP */
3026 /* referred in hda_bind.c */
3027 const struct dev_pm_ops hda_codec_driver_pm = {
3028 #ifdef CONFIG_PM_SLEEP
3029 .prepare = hda_codec_pm_prepare,
3030 .complete = hda_codec_pm_complete,
3031 .suspend = hda_codec_pm_suspend,
3032 .resume = hda_codec_pm_resume,
3033 .freeze = hda_codec_pm_freeze,
3034 .thaw = hda_codec_pm_thaw,
3035 .poweroff = hda_codec_pm_suspend,
3036 .restore = hda_codec_pm_restore,
3037 #endif /* CONFIG_PM_SLEEP */
3038 SET_RUNTIME_PM_OPS(hda_codec_runtime_suspend, hda_codec_runtime_resume,
3042 /* suspend the codec at shutdown; called from driver's shutdown callback */
3043 void snd_hda_codec_shutdown(struct hda_codec *codec)
3045 struct hda_pcm *cpcm;
3047 /* Skip the shutdown if codec is not registered */
3048 if (!codec->core.registered)
3051 cancel_delayed_work_sync(&codec->jackpoll_work);
3052 list_for_each_entry(cpcm, &codec->pcm_list_head, list)
3053 snd_pcm_suspend_all(cpcm->pcm);
3055 pm_runtime_force_suspend(hda_codec_dev(codec));
3056 pm_runtime_disable(hda_codec_dev(codec));
3060 * add standard channel maps if not specified
3062 static int add_std_chmaps(struct hda_codec *codec)
3064 struct hda_pcm *pcm;
3067 list_for_each_entry(pcm, &codec->pcm_list_head, list) {
3068 for (str = 0; str < 2; str++) {
3069 struct hda_pcm_stream *hinfo = &pcm->stream[str];
3070 struct snd_pcm_chmap *chmap;
3071 const struct snd_pcm_chmap_elem *elem;
3073 if (!pcm->pcm || pcm->own_chmap || !hinfo->substreams)
3075 elem = hinfo->chmap ? hinfo->chmap : snd_pcm_std_chmaps;
3076 err = snd_pcm_add_chmap_ctls(pcm->pcm, str, elem,
3077 hinfo->channels_max,
3081 chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
3087 /* default channel maps for 2.1 speakers;
3088 * since HD-audio supports only stereo, odd number channels are omitted
3090 const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[] = {
3092 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
3094 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR,
3095 SNDRV_CHMAP_LFE, SNDRV_CHMAP_LFE } },
3098 EXPORT_SYMBOL_GPL(snd_pcm_2_1_chmaps);
3100 int snd_hda_codec_build_controls(struct hda_codec *codec)
3103 hda_exec_init_verbs(codec);
3104 /* continue to initialize... */
3105 if (codec->patch_ops.init)
3106 err = codec->patch_ops.init(codec);
3107 if (!err && codec->patch_ops.build_controls)
3108 err = codec->patch_ops.build_controls(codec);
3112 /* we create chmaps here instead of build_pcms */
3113 err = add_std_chmaps(codec);
3117 if (codec->jackpoll_interval)
3118 hda_jackpoll_work(&codec->jackpoll_work.work);
3120 snd_hda_jack_report_sync(codec); /* call at the last init point */
3121 sync_power_up_states(codec);
3124 EXPORT_SYMBOL_GPL(snd_hda_codec_build_controls);
3129 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
3130 struct hda_codec *codec,
3131 struct snd_pcm_substream *substream)
3136 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
3137 struct hda_codec *codec,
3138 unsigned int stream_tag,
3139 unsigned int format,
3140 struct snd_pcm_substream *substream)
3142 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
3146 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
3147 struct hda_codec *codec,
3148 struct snd_pcm_substream *substream)
3150 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
3154 static int set_pcm_default_values(struct hda_codec *codec,
3155 struct hda_pcm_stream *info)
3159 /* query support PCM information from the given NID */
3160 if (info->nid && (!info->rates || !info->formats)) {
3161 err = snd_hda_query_supported_pcm(codec, info->nid,
3162 info->rates ? NULL : &info->rates,
3163 info->formats ? NULL : &info->formats,
3164 info->maxbps ? NULL : &info->maxbps);
3168 if (info->ops.open == NULL)
3169 info->ops.open = hda_pcm_default_open_close;
3170 if (info->ops.close == NULL)
3171 info->ops.close = hda_pcm_default_open_close;
3172 if (info->ops.prepare == NULL) {
3173 if (snd_BUG_ON(!info->nid))
3175 info->ops.prepare = hda_pcm_default_prepare;
3177 if (info->ops.cleanup == NULL) {
3178 if (snd_BUG_ON(!info->nid))
3180 info->ops.cleanup = hda_pcm_default_cleanup;
3186 * codec prepare/cleanup entries
3189 * snd_hda_codec_prepare - Prepare a stream
3190 * @codec: the HDA codec
3191 * @hinfo: PCM information
3192 * @stream: stream tag to assign
3193 * @format: format id to assign
3194 * @substream: PCM substream to assign
3196 * Calls the prepare callback set by the codec with the given arguments.
3197 * Clean up the inactive streams when successful.
3199 int snd_hda_codec_prepare(struct hda_codec *codec,
3200 struct hda_pcm_stream *hinfo,
3201 unsigned int stream,
3202 unsigned int format,
3203 struct snd_pcm_substream *substream)
3206 mutex_lock(&codec->bus->prepare_mutex);
3207 if (hinfo->ops.prepare)
3208 ret = hinfo->ops.prepare(hinfo, codec, stream, format,
3213 purify_inactive_streams(codec);
3214 mutex_unlock(&codec->bus->prepare_mutex);
3217 EXPORT_SYMBOL_GPL(snd_hda_codec_prepare);
3220 * snd_hda_codec_cleanup - Clean up stream resources
3221 * @codec: the HDA codec
3222 * @hinfo: PCM information
3223 * @substream: PCM substream
3225 * Calls the cleanup callback set by the codec with the given arguments.
3227 void snd_hda_codec_cleanup(struct hda_codec *codec,
3228 struct hda_pcm_stream *hinfo,
3229 struct snd_pcm_substream *substream)
3231 mutex_lock(&codec->bus->prepare_mutex);
3232 if (hinfo->ops.cleanup)
3233 hinfo->ops.cleanup(hinfo, codec, substream);
3234 mutex_unlock(&codec->bus->prepare_mutex);
3236 EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup);
3239 const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = {
3240 "Audio", "SPDIF", "HDMI", "Modem"
3244 * get the empty PCM device number to assign
3246 static int get_empty_pcm_device(struct hda_bus *bus, unsigned int type)
3248 /* audio device indices; not linear to keep compatibility */
3249 /* assigned to static slots up to dev#10; if more needed, assign
3250 * the later slot dynamically (when CONFIG_SND_DYNAMIC_MINORS=y)
3252 static const int audio_idx[HDA_PCM_NTYPES][5] = {
3253 [HDA_PCM_TYPE_AUDIO] = { 0, 2, 4, 5, -1 },
3254 [HDA_PCM_TYPE_SPDIF] = { 1, -1 },
3255 [HDA_PCM_TYPE_HDMI] = { 3, 7, 8, 9, -1 },
3256 [HDA_PCM_TYPE_MODEM] = { 6, -1 },
3260 if (type >= HDA_PCM_NTYPES) {
3261 dev_err(bus->card->dev, "Invalid PCM type %d\n", type);
3265 for (i = 0; audio_idx[type][i] >= 0; i++) {
3266 #ifndef CONFIG_SND_DYNAMIC_MINORS
3267 if (audio_idx[type][i] >= 8)
3270 if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits))
3271 return audio_idx[type][i];
3274 #ifdef CONFIG_SND_DYNAMIC_MINORS
3275 /* non-fixed slots starting from 10 */
3276 for (i = 10; i < 32; i++) {
3277 if (!test_and_set_bit(i, bus->pcm_dev_bits))
3282 dev_warn(bus->card->dev, "Too many %s devices\n",
3283 snd_hda_pcm_type_name[type]);
3284 #ifndef CONFIG_SND_DYNAMIC_MINORS
3285 dev_warn(bus->card->dev,
3286 "Consider building the kernel with CONFIG_SND_DYNAMIC_MINORS=y\n");
3291 /* call build_pcms ops of the given codec and set up the default parameters */
3292 int snd_hda_codec_parse_pcms(struct hda_codec *codec)
3294 struct hda_pcm *cpcm;
3297 if (!list_empty(&codec->pcm_list_head))
3298 return 0; /* already parsed */
3300 if (!codec->patch_ops.build_pcms)
3303 err = codec->patch_ops.build_pcms(codec);
3305 codec_err(codec, "cannot build PCMs for #%d (error %d)\n",
3306 codec->core.addr, err);
3310 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3313 for (stream = 0; stream < 2; stream++) {
3314 struct hda_pcm_stream *info = &cpcm->stream[stream];
3316 if (!info->substreams)
3318 err = set_pcm_default_values(codec, info);
3321 "fail to setup default for PCM %s\n",
3330 EXPORT_SYMBOL_GPL(snd_hda_codec_parse_pcms);
3332 /* assign all PCMs of the given codec */
3333 int snd_hda_codec_build_pcms(struct hda_codec *codec)
3335 struct hda_bus *bus = codec->bus;
3336 struct hda_pcm *cpcm;
3339 err = snd_hda_codec_parse_pcms(codec);
3343 /* attach a new PCM streams */
3344 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3346 continue; /* already attached */
3347 if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
3348 continue; /* no substreams assigned */
3350 dev = get_empty_pcm_device(bus, cpcm->pcm_type);
3352 cpcm->device = SNDRV_PCM_INVALID_DEVICE;
3353 continue; /* no fatal error */
3356 err = snd_hda_attach_pcm_stream(bus, codec, cpcm);
3359 "cannot attach PCM stream %d for codec #%d\n",
3360 dev, codec->core.addr);
3361 continue; /* no fatal error */
3369 * snd_hda_add_new_ctls - create controls from the array
3370 * @codec: the HDA codec
3371 * @knew: the array of struct snd_kcontrol_new
3373 * This helper function creates and add new controls in the given array.
3374 * The array must be terminated with an empty entry as terminator.
3376 * Returns 0 if successful, or a negative error code.
3378 int snd_hda_add_new_ctls(struct hda_codec *codec,
3379 const struct snd_kcontrol_new *knew)
3383 for (; knew->name; knew++) {
3384 struct snd_kcontrol *kctl;
3385 int addr = 0, idx = 0;
3386 if (knew->iface == (__force snd_ctl_elem_iface_t)-1)
3387 continue; /* skip this codec private value */
3389 kctl = snd_ctl_new1(knew, codec);
3392 /* Do not use the id.device field for MIXER elements.
3393 * This field is for real device numbers (like PCM) but codecs
3394 * are hidden components from the user space view (unrelated
3395 * to the mixer element identification).
3397 if (addr > 0 && codec->ctl_dev_id)
3398 kctl->id.device = addr;
3400 kctl->id.index = idx;
3401 err = snd_hda_ctl_add(codec, 0, kctl);
3404 /* try first with another device index corresponding to
3405 * the codec addr; if it still fails (or it's the
3406 * primary codec), then try another control index
3408 if (!addr && codec->core.addr) {
3409 addr = codec->core.addr;
3410 if (!codec->ctl_dev_id)
3412 } else if (!idx && !knew->index) {
3413 idx = find_empty_mixer_ctl_idx(codec,
3423 EXPORT_SYMBOL_GPL(snd_hda_add_new_ctls);
3427 * snd_hda_codec_set_power_save - Configure codec's runtime PM
3428 * @codec: codec device to configure
3429 * @delay: autosuspend delay
3431 void snd_hda_codec_set_power_save(struct hda_codec *codec, int delay)
3433 struct device *dev = hda_codec_dev(codec);
3435 if (delay == 0 && codec->auto_runtime_pm)
3439 pm_runtime_set_autosuspend_delay(dev, delay);
3440 pm_runtime_use_autosuspend(dev);
3441 pm_runtime_allow(dev);
3442 if (!pm_runtime_suspended(dev))
3443 pm_runtime_mark_last_busy(dev);
3445 pm_runtime_dont_use_autosuspend(dev);
3446 pm_runtime_forbid(dev);
3449 EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_save);
3452 * snd_hda_set_power_save - reprogram autosuspend for the given delay
3453 * @bus: HD-audio bus
3454 * @delay: autosuspend delay in msec, 0 = off
3456 * Synchronize the runtime PM autosuspend state from the power_save option.
3458 void snd_hda_set_power_save(struct hda_bus *bus, int delay)
3460 struct hda_codec *c;
3462 list_for_each_codec(c, bus)
3463 snd_hda_codec_set_power_save(c, delay);
3465 EXPORT_SYMBOL_GPL(snd_hda_set_power_save);
3468 * snd_hda_check_amp_list_power - Check the amp list and update the power
3469 * @codec: HD-audio codec
3470 * @check: the object containing an AMP list and the status
3471 * @nid: NID to check / update
3473 * Check whether the given NID is in the amp list. If it's in the list,
3474 * check the current AMP status, and update the power-status according
3475 * to the mute status.
3477 * This function is supposed to be set or called from the check_power_status
3480 int snd_hda_check_amp_list_power(struct hda_codec *codec,
3481 struct hda_loopback_check *check,
3484 const struct hda_amp_list *p;
3487 if (!check->amplist)
3489 for (p = check->amplist; p->nid; p++) {
3494 return 0; /* nothing changed */
3496 for (p = check->amplist; p->nid; p++) {
3497 for (ch = 0; ch < 2; ch++) {
3498 v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
3500 if (!(v & HDA_AMP_MUTE) && v > 0) {
3501 if (!check->power_on) {
3502 check->power_on = 1;
3503 snd_hda_power_up_pm(codec);
3509 if (check->power_on) {
3510 check->power_on = 0;
3511 snd_hda_power_down_pm(codec);
3515 EXPORT_SYMBOL_GPL(snd_hda_check_amp_list_power);
3523 * snd_hda_input_mux_info - Info callback helper for the input-mux enum
3524 * @imux: imux helper object
3525 * @uinfo: pointer to get/store the data
3527 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
3528 struct snd_ctl_elem_info *uinfo)
3532 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
3534 uinfo->value.enumerated.items = imux->num_items;
3535 if (!imux->num_items)
3537 index = uinfo->value.enumerated.item;
3538 if (index >= imux->num_items)
3539 index = imux->num_items - 1;
3540 strcpy(uinfo->value.enumerated.name, imux->items[index].label);
3543 EXPORT_SYMBOL_GPL(snd_hda_input_mux_info);
3546 * snd_hda_input_mux_put - Put callback helper for the input-mux enum
3547 * @codec: the HDA codec
3548 * @imux: imux helper object
3549 * @ucontrol: pointer to get/store the data
3550 * @nid: input mux NID
3551 * @cur_val: pointer to get/store the current imux value
3553 int snd_hda_input_mux_put(struct hda_codec *codec,
3554 const struct hda_input_mux *imux,
3555 struct snd_ctl_elem_value *ucontrol,
3557 unsigned int *cur_val)
3561 if (!imux->num_items)
3563 idx = ucontrol->value.enumerated.item[0];
3564 if (idx >= imux->num_items)
3565 idx = imux->num_items - 1;
3566 if (*cur_val == idx)
3568 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
3569 imux->items[idx].index);
3573 EXPORT_SYMBOL_GPL(snd_hda_input_mux_put);
3577 * snd_hda_enum_helper_info - Helper for simple enum ctls
3578 * @kcontrol: ctl element
3579 * @uinfo: pointer to get/store the data
3580 * @num_items: number of enum items
3581 * @texts: enum item string array
3583 * process kcontrol info callback of a simple string enum array
3584 * when @num_items is 0 or @texts is NULL, assume a boolean enum array
3586 int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
3587 struct snd_ctl_elem_info *uinfo,
3588 int num_items, const char * const *texts)
3590 static const char * const texts_default[] = {
3591 "Disabled", "Enabled"
3594 if (!texts || !num_items) {
3596 texts = texts_default;
3599 return snd_ctl_enum_info(uinfo, 1, num_items, texts);
3601 EXPORT_SYMBOL_GPL(snd_hda_enum_helper_info);
3604 * Multi-channel / digital-out PCM helper functions
3607 /* setup SPDIF output stream */
3608 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
3609 unsigned int stream_tag, unsigned int format)
3611 struct hda_spdif_out *spdif;
3612 unsigned int curr_fmt;
3615 spdif = snd_hda_spdif_out_of_nid(codec, nid);
3616 /* Add sanity check to pass klockwork check.
3617 * This should never happen.
3619 if (WARN_ON(spdif == NULL))
3622 curr_fmt = snd_hda_codec_read(codec, nid, 0,
3623 AC_VERB_GET_STREAM_FORMAT, 0);
3624 reset = codec->spdif_status_reset &&
3625 (spdif->ctls & AC_DIG1_ENABLE) &&
3628 /* turn off SPDIF if needed; otherwise the IEC958 bits won't be
3631 set_dig_out_convert(codec, nid,
3632 spdif->ctls & ~AC_DIG1_ENABLE & 0xff,
3634 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
3635 if (codec->follower_dig_outs) {
3637 for (d = codec->follower_dig_outs; *d; d++)
3638 snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
3641 /* turn on again (if needed) */
3643 set_dig_out_convert(codec, nid,
3644 spdif->ctls & 0xff, -1);
3647 static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
3649 snd_hda_codec_cleanup_stream(codec, nid);
3650 if (codec->follower_dig_outs) {
3652 for (d = codec->follower_dig_outs; *d; d++)
3653 snd_hda_codec_cleanup_stream(codec, *d);
3658 * snd_hda_multi_out_dig_open - open the digital out in the exclusive mode
3659 * @codec: the HDA codec
3660 * @mout: hda_multi_out object
3662 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
3663 struct hda_multi_out *mout)
3665 mutex_lock(&codec->spdif_mutex);
3666 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
3667 /* already opened as analog dup; reset it once */
3668 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3669 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
3670 mutex_unlock(&codec->spdif_mutex);
3673 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_open);
3676 * snd_hda_multi_out_dig_prepare - prepare the digital out stream
3677 * @codec: the HDA codec
3678 * @mout: hda_multi_out object
3679 * @stream_tag: stream tag to assign
3680 * @format: format id to assign
3681 * @substream: PCM substream to assign
3683 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
3684 struct hda_multi_out *mout,
3685 unsigned int stream_tag,
3686 unsigned int format,
3687 struct snd_pcm_substream *substream)
3689 mutex_lock(&codec->spdif_mutex);
3690 setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
3691 mutex_unlock(&codec->spdif_mutex);
3694 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_prepare);
3697 * snd_hda_multi_out_dig_cleanup - clean-up the digital out stream
3698 * @codec: the HDA codec
3699 * @mout: hda_multi_out object
3701 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
3702 struct hda_multi_out *mout)
3704 mutex_lock(&codec->spdif_mutex);
3705 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3706 mutex_unlock(&codec->spdif_mutex);
3709 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_cleanup);
3712 * snd_hda_multi_out_dig_close - release the digital out stream
3713 * @codec: the HDA codec
3714 * @mout: hda_multi_out object
3716 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
3717 struct hda_multi_out *mout)
3719 mutex_lock(&codec->spdif_mutex);
3720 mout->dig_out_used = 0;
3721 mutex_unlock(&codec->spdif_mutex);
3724 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_close);
3727 * snd_hda_multi_out_analog_open - open analog outputs
3728 * @codec: the HDA codec
3729 * @mout: hda_multi_out object
3730 * @substream: PCM substream to assign
3731 * @hinfo: PCM information to assign
3733 * Open analog outputs and set up the hw-constraints.
3734 * If the digital outputs can be opened as follower, open the digital
3737 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
3738 struct hda_multi_out *mout,
3739 struct snd_pcm_substream *substream,
3740 struct hda_pcm_stream *hinfo)
3742 struct snd_pcm_runtime *runtime = substream->runtime;
3743 runtime->hw.channels_max = mout->max_channels;
3744 if (mout->dig_out_nid) {
3745 if (!mout->analog_rates) {
3746 mout->analog_rates = hinfo->rates;
3747 mout->analog_formats = hinfo->formats;
3748 mout->analog_maxbps = hinfo->maxbps;
3750 runtime->hw.rates = mout->analog_rates;
3751 runtime->hw.formats = mout->analog_formats;
3752 hinfo->maxbps = mout->analog_maxbps;
3754 if (!mout->spdif_rates) {
3755 snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
3757 &mout->spdif_formats,
3758 &mout->spdif_maxbps);
3760 mutex_lock(&codec->spdif_mutex);
3761 if (mout->share_spdif) {
3762 if ((runtime->hw.rates & mout->spdif_rates) &&
3763 (runtime->hw.formats & mout->spdif_formats)) {
3764 runtime->hw.rates &= mout->spdif_rates;
3765 runtime->hw.formats &= mout->spdif_formats;
3766 if (mout->spdif_maxbps < hinfo->maxbps)
3767 hinfo->maxbps = mout->spdif_maxbps;
3769 mout->share_spdif = 0;
3770 /* FIXME: need notify? */
3773 mutex_unlock(&codec->spdif_mutex);
3775 return snd_pcm_hw_constraint_step(substream->runtime, 0,
3776 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
3778 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_open);
3781 * snd_hda_multi_out_analog_prepare - Preapre the analog outputs.
3782 * @codec: the HDA codec
3783 * @mout: hda_multi_out object
3784 * @stream_tag: stream tag to assign
3785 * @format: format id to assign
3786 * @substream: PCM substream to assign
3788 * Set up the i/o for analog out.
3789 * When the digital out is available, copy the front out to digital out, too.
3791 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
3792 struct hda_multi_out *mout,
3793 unsigned int stream_tag,
3794 unsigned int format,
3795 struct snd_pcm_substream *substream)
3797 const hda_nid_t *nids = mout->dac_nids;
3798 int chs = substream->runtime->channels;
3799 struct hda_spdif_out *spdif;
3802 mutex_lock(&codec->spdif_mutex);
3803 spdif = snd_hda_spdif_out_of_nid(codec, mout->dig_out_nid);
3804 if (mout->dig_out_nid && mout->share_spdif &&
3805 mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
3806 if (chs == 2 && spdif != NULL &&
3807 snd_hda_is_supported_format(codec, mout->dig_out_nid,
3809 !(spdif->status & IEC958_AES0_NONAUDIO)) {
3810 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
3811 setup_dig_out_stream(codec, mout->dig_out_nid,
3812 stream_tag, format);
3814 mout->dig_out_used = 0;
3815 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3818 mutex_unlock(&codec->spdif_mutex);
3821 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
3823 if (!mout->no_share_stream &&
3824 mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
3825 /* headphone out will just decode front left/right (stereo) */
3826 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
3828 /* extra outputs copied from front */
3829 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3830 if (!mout->no_share_stream && mout->hp_out_nid[i])
3831 snd_hda_codec_setup_stream(codec,
3832 mout->hp_out_nid[i],
3833 stream_tag, 0, format);
3836 for (i = 1; i < mout->num_dacs; i++) {
3837 if (chs >= (i + 1) * 2) /* independent out */
3838 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3840 else if (!mout->no_share_stream) /* copy front */
3841 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3845 /* extra surrounds */
3846 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) {
3848 if (!mout->extra_out_nid[i])
3850 if (chs >= (i + 1) * 2)
3852 else if (!mout->no_share_stream)
3854 snd_hda_codec_setup_stream(codec, mout->extra_out_nid[i],
3855 stream_tag, ch, format);
3860 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_prepare);
3863 * snd_hda_multi_out_analog_cleanup - clean up the setting for analog out
3864 * @codec: the HDA codec
3865 * @mout: hda_multi_out object
3867 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
3868 struct hda_multi_out *mout)
3870 const hda_nid_t *nids = mout->dac_nids;
3873 for (i = 0; i < mout->num_dacs; i++)
3874 snd_hda_codec_cleanup_stream(codec, nids[i]);
3876 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
3877 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3878 if (mout->hp_out_nid[i])
3879 snd_hda_codec_cleanup_stream(codec,
3880 mout->hp_out_nid[i]);
3881 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
3882 if (mout->extra_out_nid[i])
3883 snd_hda_codec_cleanup_stream(codec,
3884 mout->extra_out_nid[i]);
3885 mutex_lock(&codec->spdif_mutex);
3886 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
3887 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3888 mout->dig_out_used = 0;
3890 mutex_unlock(&codec->spdif_mutex);
3893 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_cleanup);
3896 * snd_hda_get_default_vref - Get the default (mic) VREF pin bits
3897 * @codec: the HDA codec
3898 * @pin: referred pin NID
3900 * Guess the suitable VREF pin bits to be set as the pin-control value.
3901 * Note: the function doesn't set the AC_PINCTL_IN_EN bit.
3903 unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin)
3905 unsigned int pincap;
3906 unsigned int oldval;
3907 oldval = snd_hda_codec_read(codec, pin, 0,
3908 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
3909 pincap = snd_hda_query_pin_caps(codec, pin);
3910 pincap = (pincap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3911 /* Exception: if the default pin setup is vref50, we give it priority */
3912 if ((pincap & AC_PINCAP_VREF_80) && oldval != PIN_VREF50)
3913 return AC_PINCTL_VREF_80;
3914 else if (pincap & AC_PINCAP_VREF_50)
3915 return AC_PINCTL_VREF_50;
3916 else if (pincap & AC_PINCAP_VREF_100)
3917 return AC_PINCTL_VREF_100;
3918 else if (pincap & AC_PINCAP_VREF_GRD)
3919 return AC_PINCTL_VREF_GRD;
3920 return AC_PINCTL_VREF_HIZ;
3922 EXPORT_SYMBOL_GPL(snd_hda_get_default_vref);
3925 * snd_hda_correct_pin_ctl - correct the pin ctl value for matching with the pin cap
3926 * @codec: the HDA codec
3927 * @pin: referred pin NID
3928 * @val: pin ctl value to audit
3930 unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
3931 hda_nid_t pin, unsigned int val)
3933 static const unsigned int cap_lists[][2] = {
3934 { AC_PINCTL_VREF_100, AC_PINCAP_VREF_100 },
3935 { AC_PINCTL_VREF_80, AC_PINCAP_VREF_80 },
3936 { AC_PINCTL_VREF_50, AC_PINCAP_VREF_50 },
3937 { AC_PINCTL_VREF_GRD, AC_PINCAP_VREF_GRD },
3943 cap = snd_hda_query_pin_caps(codec, pin);
3945 return val; /* don't know what to do... */
3947 if (val & AC_PINCTL_OUT_EN) {
3948 if (!(cap & AC_PINCAP_OUT))
3949 val &= ~(AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN);
3950 else if ((val & AC_PINCTL_HP_EN) && !(cap & AC_PINCAP_HP_DRV))
3951 val &= ~AC_PINCTL_HP_EN;
3954 if (val & AC_PINCTL_IN_EN) {
3955 if (!(cap & AC_PINCAP_IN))
3956 val &= ~(AC_PINCTL_IN_EN | AC_PINCTL_VREFEN);
3958 unsigned int vcap, vref;
3960 vcap = (cap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3961 vref = val & AC_PINCTL_VREFEN;
3962 for (i = 0; i < ARRAY_SIZE(cap_lists); i++) {
3963 if (vref == cap_lists[i][0] &&
3964 !(vcap & cap_lists[i][1])) {
3965 if (i == ARRAY_SIZE(cap_lists) - 1)
3966 vref = AC_PINCTL_VREF_HIZ;
3968 vref = cap_lists[i + 1][0];
3971 val &= ~AC_PINCTL_VREFEN;
3978 EXPORT_SYMBOL_GPL(snd_hda_correct_pin_ctl);
3981 * _snd_hda_set_pin_ctl - Helper to set pin ctl value
3982 * @codec: the HDA codec
3983 * @pin: referred pin NID
3984 * @val: pin control value to set
3985 * @cached: access over codec pinctl cache or direct write
3987 * This function is a helper to set a pin ctl value more safely.
3988 * It corrects the pin ctl value via snd_hda_correct_pin_ctl(), stores the
3989 * value in pin target array via snd_hda_codec_set_pin_target(), then
3990 * actually writes the value via either snd_hda_codec_write_cache() or
3991 * snd_hda_codec_write() depending on @cached flag.
3993 int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
3994 unsigned int val, bool cached)
3996 val = snd_hda_correct_pin_ctl(codec, pin, val);
3997 snd_hda_codec_set_pin_target(codec, pin, val);
3999 return snd_hda_codec_write_cache(codec, pin, 0,
4000 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
4002 return snd_hda_codec_write(codec, pin, 0,
4003 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
4005 EXPORT_SYMBOL_GPL(_snd_hda_set_pin_ctl);
4008 * snd_hda_add_imux_item - Add an item to input_mux
4009 * @codec: the HDA codec
4010 * @imux: imux helper object
4011 * @label: the name of imux item to assign
4012 * @index: index number of imux item to assign
4013 * @type_idx: pointer to store the resultant label index
4015 * When the same label is used already in the existing items, the number
4016 * suffix is appended to the label. This label index number is stored
4017 * to type_idx when non-NULL pointer is given.
4019 int snd_hda_add_imux_item(struct hda_codec *codec,
4020 struct hda_input_mux *imux, const char *label,
4021 int index, int *type_idx)
4023 int i, label_idx = 0;
4024 if (imux->num_items >= HDA_MAX_NUM_INPUTS) {
4025 codec_err(codec, "hda_codec: Too many imux items!\n");
4028 for (i = 0; i < imux->num_items; i++) {
4029 if (!strncmp(label, imux->items[i].label, strlen(label)))
4033 *type_idx = label_idx;
4035 snprintf(imux->items[imux->num_items].label,
4036 sizeof(imux->items[imux->num_items].label),
4037 "%s %d", label, label_idx);
4039 strscpy(imux->items[imux->num_items].label, label,
4040 sizeof(imux->items[imux->num_items].label));
4041 imux->items[imux->num_items].index = index;
4045 EXPORT_SYMBOL_GPL(snd_hda_add_imux_item);
4048 * snd_hda_bus_reset_codecs - Reset the bus
4049 * @bus: HD-audio bus
4051 void snd_hda_bus_reset_codecs(struct hda_bus *bus)
4053 struct hda_codec *codec;
4055 list_for_each_codec(codec, bus) {
4056 /* FIXME: maybe a better way needed for forced reset */
4057 if (current_work() != &codec->jackpoll_work.work)
4058 cancel_delayed_work_sync(&codec->jackpoll_work);
4060 if (hda_codec_is_power_on(codec)) {
4061 hda_call_codec_suspend(codec);
4062 hda_call_codec_resume(codec);
4069 * snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer
4070 * @pcm: PCM caps bits
4071 * @buf: the string buffer to write
4072 * @buflen: the max buffer length
4074 * used by hda_proc.c and hda_eld.c
4076 void snd_print_pcm_bits(int pcm, char *buf, int buflen)
4078 static const unsigned int bits[] = { 8, 16, 20, 24, 32 };
4081 for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++)
4082 if (pcm & (AC_SUPPCM_BITS_8 << i))
4083 j += scnprintf(buf + j, buflen - j, " %d", bits[i]);
4085 buf[j] = '\0'; /* necessary when j == 0 */
4087 EXPORT_SYMBOL_GPL(snd_print_pcm_bits);
4089 MODULE_DESCRIPTION("HDA codec core");
4090 MODULE_LICENSE("GPL");