1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Universal Interface for Intel High Definition Audio Codec
5 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
8 #include <linux/init.h>
9 #include <linux/delay.h>
10 #include <linux/slab.h>
11 #include <linux/mutex.h>
12 #include <linux/module.h>
14 #include <linux/pm_runtime.h>
15 #include <sound/core.h>
16 #include <sound/hda_codec.h>
17 #include <sound/asoundef.h>
18 #include <sound/tlv.h>
19 #include <sound/initval.h>
20 #include <sound/jack.h>
21 #include "hda_local.h"
24 #include <sound/hda_hwdep.h>
25 #include <sound/hda_component.h>
27 #define codec_in_pm(codec) snd_hdac_is_in_pm(&codec->core)
28 #define hda_codec_is_power_on(codec) snd_hdac_is_power_on(&codec->core)
29 #define codec_has_epss(codec) \
30 ((codec)->core.power_caps & AC_PWRST_EPSS)
31 #define codec_has_clkstop(codec) \
32 ((codec)->core.power_caps & AC_PWRST_CLKSTOP)
35 * Send and receive a verb - passed to exec_verb override for hdac_device
37 static int codec_exec_verb(struct hdac_device
*dev
, unsigned int cmd
,
38 unsigned int flags
, unsigned int *res
)
40 struct hda_codec
*codec
= container_of(dev
, struct hda_codec
, core
);
41 struct hda_bus
*bus
= codec
->bus
;
48 snd_hda_power_up_pm(codec
);
49 mutex_lock(&bus
->core
.cmd_mutex
);
50 if (flags
& HDA_RW_NO_RESPONSE_FALLBACK
)
51 bus
->no_response_fallback
= 1;
52 err
= snd_hdac_bus_exec_verb_unlocked(&bus
->core
, codec
->core
.addr
,
54 bus
->no_response_fallback
= 0;
55 mutex_unlock(&bus
->core
.cmd_mutex
);
56 snd_hda_power_down_pm(codec
);
57 if (!codec_in_pm(codec
) && res
&& err
== -EAGAIN
) {
58 if (bus
->response_reset
) {
60 "resetting BUS due to fatal communication error\n");
61 snd_hda_bus_reset(bus
);
65 /* clear reset-flag when the communication gets recovered */
66 if (!err
|| codec_in_pm(codec
))
67 bus
->response_reset
= 0;
72 * snd_hda_sequence_write - sequence writes
73 * @codec: the HDA codec
74 * @seq: VERB array to send
76 * Send the commands sequentially from the given array.
77 * The array must be terminated with NID=0.
79 void snd_hda_sequence_write(struct hda_codec
*codec
, const struct hda_verb
*seq
)
81 for (; seq
->nid
; seq
++)
82 snd_hda_codec_write(codec
, seq
->nid
, 0, seq
->verb
, seq
->param
);
84 EXPORT_SYMBOL_GPL(snd_hda_sequence_write
);
86 /* connection list element */
87 struct hda_conn_list
{
88 struct list_head list
;
94 /* look up the cached results */
95 static struct hda_conn_list
*
96 lookup_conn_list(struct hda_codec
*codec
, hda_nid_t nid
)
98 struct hda_conn_list
*p
;
99 list_for_each_entry(p
, &codec
->conn_list
, list
) {
106 static int add_conn_list(struct hda_codec
*codec
, hda_nid_t nid
, int len
,
107 const hda_nid_t
*list
)
109 struct hda_conn_list
*p
;
111 p
= kmalloc(struct_size(p
, conns
, len
), GFP_KERNEL
);
116 memcpy(p
->conns
, list
, len
* sizeof(hda_nid_t
));
117 list_add(&p
->list
, &codec
->conn_list
);
121 static void remove_conn_list(struct hda_codec
*codec
)
123 while (!list_empty(&codec
->conn_list
)) {
124 struct hda_conn_list
*p
;
125 p
= list_first_entry(&codec
->conn_list
, typeof(*p
), list
);
131 /* read the connection and add to the cache */
132 static int read_and_add_raw_conns(struct hda_codec
*codec
, hda_nid_t nid
)
135 hda_nid_t
*result
= list
;
138 len
= snd_hda_get_raw_connections(codec
, nid
, list
, ARRAY_SIZE(list
));
139 if (len
== -ENOSPC
) {
140 len
= snd_hda_get_num_raw_conns(codec
, nid
);
141 result
= kmalloc_array(len
, sizeof(hda_nid_t
), GFP_KERNEL
);
144 len
= snd_hda_get_raw_connections(codec
, nid
, result
, len
);
147 len
= snd_hda_override_conn_list(codec
, nid
, len
, result
);
154 * snd_hda_get_conn_list - get connection list
155 * @codec: the HDA codec
157 * @listp: the pointer to store NID list
159 * Parses the connection list of the given widget and stores the pointer
160 * to the list of NIDs.
162 * Returns the number of connections, or a negative error code.
164 * Note that the returned pointer isn't protected against the list
165 * modification. If snd_hda_override_conn_list() might be called
166 * concurrently, protect with a mutex appropriately.
168 int snd_hda_get_conn_list(struct hda_codec
*codec
, hda_nid_t nid
,
169 const hda_nid_t
**listp
)
175 const struct hda_conn_list
*p
;
177 /* if the connection-list is already cached, read it */
178 p
= lookup_conn_list(codec
, nid
);
184 if (snd_BUG_ON(added
))
187 err
= read_and_add_raw_conns(codec
, nid
);
193 EXPORT_SYMBOL_GPL(snd_hda_get_conn_list
);
196 * snd_hda_get_connections - copy connection list
197 * @codec: the HDA codec
199 * @conn_list: connection list array; when NULL, checks only the size
200 * @max_conns: max. number of connections to store
202 * Parses the connection list of the given widget and stores the list
205 * Returns the number of connections, or a negative error code.
207 int snd_hda_get_connections(struct hda_codec
*codec
, hda_nid_t nid
,
208 hda_nid_t
*conn_list
, int max_conns
)
210 const hda_nid_t
*list
;
211 int len
= snd_hda_get_conn_list(codec
, nid
, &list
);
213 if (len
> 0 && conn_list
) {
214 if (len
> max_conns
) {
215 codec_err(codec
, "Too many connections %d for NID 0x%x\n",
219 memcpy(conn_list
, list
, len
* sizeof(hda_nid_t
));
224 EXPORT_SYMBOL_GPL(snd_hda_get_connections
);
227 * snd_hda_override_conn_list - add/modify the connection-list to cache
228 * @codec: the HDA codec
230 * @len: number of connection list entries
231 * @list: the list of connection entries
233 * Add or modify the given connection-list to the cache. If the corresponding
234 * cache already exists, invalidate it and append a new one.
236 * Returns zero or a negative error code.
238 int snd_hda_override_conn_list(struct hda_codec
*codec
, hda_nid_t nid
, int len
,
239 const hda_nid_t
*list
)
241 struct hda_conn_list
*p
;
243 p
= lookup_conn_list(codec
, nid
);
249 return add_conn_list(codec
, nid
, len
, list
);
251 EXPORT_SYMBOL_GPL(snd_hda_override_conn_list
);
254 * snd_hda_get_conn_index - get the connection index of the given NID
255 * @codec: the HDA codec
256 * @mux: NID containing the list
257 * @nid: NID to select
258 * @recursive: 1 when searching NID recursively, otherwise 0
260 * Parses the connection list of the widget @mux and checks whether the
261 * widget @nid is present. If it is, return the connection index.
262 * Otherwise it returns -1.
264 int snd_hda_get_conn_index(struct hda_codec
*codec
, hda_nid_t mux
,
265 hda_nid_t nid
, int recursive
)
267 const hda_nid_t
*conn
;
270 nums
= snd_hda_get_conn_list(codec
, mux
, &conn
);
271 for (i
= 0; i
< nums
; i
++)
276 if (recursive
> 10) {
277 codec_dbg(codec
, "too deep connection for 0x%x\n", nid
);
281 for (i
= 0; i
< nums
; i
++) {
282 unsigned int type
= get_wcaps_type(get_wcaps(codec
, conn
[i
]));
283 if (type
== AC_WID_PIN
|| type
== AC_WID_AUD_OUT
)
285 if (snd_hda_get_conn_index(codec
, conn
[i
], nid
, recursive
) >= 0)
290 EXPORT_SYMBOL_GPL(snd_hda_get_conn_index
);
293 * snd_hda_get_num_devices - get DEVLIST_LEN parameter of the given widget
294 * @codec: the HDA codec
295 * @nid: NID of the pin to parse
297 * Get the device entry number on the given widget. This is a feature of
298 * DP MST audio. Each pin can have several device entries in it.
300 unsigned int snd_hda_get_num_devices(struct hda_codec
*codec
, hda_nid_t nid
)
302 unsigned int wcaps
= get_wcaps(codec
, nid
);
305 if (!codec
->dp_mst
|| !(wcaps
& AC_WCAP_DIGITAL
) ||
306 get_wcaps_type(wcaps
) != AC_WID_PIN
)
309 parm
= snd_hdac_read_parm_uncached(&codec
->core
, nid
, AC_PAR_DEVLIST_LEN
);
312 return parm
& AC_DEV_LIST_LEN_MASK
;
314 EXPORT_SYMBOL_GPL(snd_hda_get_num_devices
);
317 * snd_hda_get_devices - copy device list without cache
318 * @codec: the HDA codec
319 * @nid: NID of the pin to parse
320 * @dev_list: device list array
321 * @max_devices: max. number of devices to store
323 * Copy the device list. This info is dynamic and so not cached.
324 * Currently called only from hda_proc.c, so not exported.
326 int snd_hda_get_devices(struct hda_codec
*codec
, hda_nid_t nid
,
327 u8
*dev_list
, int max_devices
)
330 int i
, dev_len
, devices
;
332 parm
= snd_hda_get_num_devices(codec
, nid
);
333 if (!parm
) /* not multi-stream capable */
337 dev_len
= dev_len
< max_devices
? dev_len
: max_devices
;
340 while (devices
< dev_len
) {
341 if (snd_hdac_read(&codec
->core
, nid
,
342 AC_VERB_GET_DEVICE_LIST
, devices
, &parm
))
345 for (i
= 0; i
< 8; i
++) {
346 dev_list
[devices
] = (u8
)parm
;
349 if (devices
>= dev_len
)
357 * snd_hda_get_dev_select - get device entry select on the pin
358 * @codec: the HDA codec
359 * @nid: NID of the pin to get device entry select
361 * Get the devcie entry select on the pin. Return the device entry
362 * id selected on the pin. Return 0 means the first device entry
363 * is selected or MST is not supported.
365 int snd_hda_get_dev_select(struct hda_codec
*codec
, hda_nid_t nid
)
367 /* not support dp_mst will always return 0, using first dev_entry */
371 return snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_DEVICE_SEL
, 0);
373 EXPORT_SYMBOL_GPL(snd_hda_get_dev_select
);
376 * snd_hda_set_dev_select - set device entry select on the pin
377 * @codec: the HDA codec
378 * @nid: NID of the pin to set device entry select
379 * @dev_id: device entry id to be set
381 * Set the device entry select on the pin nid.
383 int snd_hda_set_dev_select(struct hda_codec
*codec
, hda_nid_t nid
, int dev_id
)
385 int ret
, num_devices
;
387 /* not support dp_mst will always return 0, using first dev_entry */
391 /* AC_PAR_DEVLIST_LEN is 0 based. */
392 num_devices
= snd_hda_get_num_devices(codec
, nid
) + 1;
393 /* If Device List Length is 0 (num_device = 1),
394 * the pin is not multi stream capable.
395 * Do nothing in this case.
397 if (num_devices
== 1)
400 /* Behavior of setting index being equal to or greater than
401 * Device List Length is not predictable
403 if (num_devices
<= dev_id
)
406 ret
= snd_hda_codec_write(codec
, nid
, 0,
407 AC_VERB_SET_DEVICE_SEL
, dev_id
);
411 EXPORT_SYMBOL_GPL(snd_hda_set_dev_select
);
414 * read widget caps for each widget and store in cache
416 static int read_widget_caps(struct hda_codec
*codec
, hda_nid_t fg_node
)
421 codec
->wcaps
= kmalloc_array(codec
->core
.num_nodes
, 4, GFP_KERNEL
);
424 nid
= codec
->core
.start_nid
;
425 for (i
= 0; i
< codec
->core
.num_nodes
; i
++, nid
++)
426 codec
->wcaps
[i
] = snd_hdac_read_parm_uncached(&codec
->core
,
427 nid
, AC_PAR_AUDIO_WIDGET_CAP
);
431 /* read all pin default configurations and save codec->init_pins */
432 static int read_pin_defaults(struct hda_codec
*codec
)
436 for_each_hda_codec_node(nid
, codec
) {
437 struct hda_pincfg
*pin
;
438 unsigned int wcaps
= get_wcaps(codec
, nid
);
439 unsigned int wid_type
= get_wcaps_type(wcaps
);
440 if (wid_type
!= AC_WID_PIN
)
442 pin
= snd_array_new(&codec
->init_pins
);
446 pin
->cfg
= snd_hda_codec_read(codec
, nid
, 0,
447 AC_VERB_GET_CONFIG_DEFAULT
, 0);
449 * all device entries are the same widget control so far
450 * fixme: if any codec is different, need fix here
452 pin
->ctrl
= snd_hda_codec_read(codec
, nid
, 0,
453 AC_VERB_GET_PIN_WIDGET_CONTROL
,
459 /* look up the given pin config list and return the item matching with NID */
460 static struct hda_pincfg
*look_up_pincfg(struct hda_codec
*codec
,
461 struct snd_array
*array
,
464 struct hda_pincfg
*pin
;
467 snd_array_for_each(array
, i
, pin
) {
474 /* set the current pin config value for the given NID.
475 * the value is cached, and read via snd_hda_codec_get_pincfg()
477 int snd_hda_add_pincfg(struct hda_codec
*codec
, struct snd_array
*list
,
478 hda_nid_t nid
, unsigned int cfg
)
480 struct hda_pincfg
*pin
;
482 /* the check below may be invalid when pins are added by a fixup
483 * dynamically (e.g. via snd_hda_codec_update_widgets()), so disabled
487 if (get_wcaps_type(get_wcaps(codec, nid)) != AC_WID_PIN)
491 pin
= look_up_pincfg(codec
, list
, nid
);
493 pin
= snd_array_new(list
);
503 * snd_hda_codec_set_pincfg - Override a pin default configuration
504 * @codec: the HDA codec
505 * @nid: NID to set the pin config
506 * @cfg: the pin default config value
508 * Override a pin default configuration value in the cache.
509 * This value can be read by snd_hda_codec_get_pincfg() in a higher
510 * priority than the real hardware value.
512 int snd_hda_codec_set_pincfg(struct hda_codec
*codec
,
513 hda_nid_t nid
, unsigned int cfg
)
515 return snd_hda_add_pincfg(codec
, &codec
->driver_pins
, nid
, cfg
);
517 EXPORT_SYMBOL_GPL(snd_hda_codec_set_pincfg
);
520 * snd_hda_codec_get_pincfg - Obtain a pin-default configuration
521 * @codec: the HDA codec
522 * @nid: NID to get the pin config
524 * Get the current pin config value of the given pin NID.
525 * If the pincfg value is cached or overridden via sysfs or driver,
526 * returns the cached value.
528 unsigned int snd_hda_codec_get_pincfg(struct hda_codec
*codec
, hda_nid_t nid
)
530 struct hda_pincfg
*pin
;
532 #ifdef CONFIG_SND_HDA_RECONFIG
534 unsigned int cfg
= 0;
535 mutex_lock(&codec
->user_mutex
);
536 pin
= look_up_pincfg(codec
, &codec
->user_pins
, nid
);
539 mutex_unlock(&codec
->user_mutex
);
544 pin
= look_up_pincfg(codec
, &codec
->driver_pins
, nid
);
547 pin
= look_up_pincfg(codec
, &codec
->init_pins
, nid
);
552 EXPORT_SYMBOL_GPL(snd_hda_codec_get_pincfg
);
555 * snd_hda_codec_set_pin_target - remember the current pinctl target value
556 * @codec: the HDA codec
558 * @val: assigned pinctl value
560 * This function stores the given value to a pinctl target value in the
561 * pincfg table. This isn't always as same as the actually written value
562 * but can be referred at any time via snd_hda_codec_get_pin_target().
564 int snd_hda_codec_set_pin_target(struct hda_codec
*codec
, hda_nid_t nid
,
567 struct hda_pincfg
*pin
;
569 pin
= look_up_pincfg(codec
, &codec
->init_pins
, nid
);
575 EXPORT_SYMBOL_GPL(snd_hda_codec_set_pin_target
);
578 * snd_hda_codec_get_pin_target - return the current pinctl target value
579 * @codec: the HDA codec
582 int snd_hda_codec_get_pin_target(struct hda_codec
*codec
, hda_nid_t nid
)
584 struct hda_pincfg
*pin
;
586 pin
= look_up_pincfg(codec
, &codec
->init_pins
, nid
);
591 EXPORT_SYMBOL_GPL(snd_hda_codec_get_pin_target
);
594 * snd_hda_shutup_pins - Shut up all pins
595 * @codec: the HDA codec
597 * Clear all pin controls to shup up before suspend for avoiding click noise.
598 * The controls aren't cached so that they can be resumed properly.
600 void snd_hda_shutup_pins(struct hda_codec
*codec
)
602 const struct hda_pincfg
*pin
;
605 /* don't shut up pins when unloading the driver; otherwise it breaks
606 * the default pin setup at the next load of the driver
608 if (codec
->bus
->shutdown
)
610 snd_array_for_each(&codec
->init_pins
, i
, pin
) {
611 /* use read here for syncing after issuing each verb */
612 snd_hda_codec_read(codec
, pin
->nid
, 0,
613 AC_VERB_SET_PIN_WIDGET_CONTROL
, 0);
615 codec
->pins_shutup
= 1;
617 EXPORT_SYMBOL_GPL(snd_hda_shutup_pins
);
620 /* Restore the pin controls cleared previously via snd_hda_shutup_pins() */
621 static void restore_shutup_pins(struct hda_codec
*codec
)
623 const struct hda_pincfg
*pin
;
626 if (!codec
->pins_shutup
)
628 if (codec
->bus
->shutdown
)
630 snd_array_for_each(&codec
->init_pins
, i
, pin
) {
631 snd_hda_codec_write(codec
, pin
->nid
, 0,
632 AC_VERB_SET_PIN_WIDGET_CONTROL
,
635 codec
->pins_shutup
= 0;
639 static void hda_jackpoll_work(struct work_struct
*work
)
641 struct hda_codec
*codec
=
642 container_of(work
, struct hda_codec
, jackpoll_work
.work
);
644 /* for non-polling trigger: we need nothing if already powered on */
645 if (!codec
->jackpoll_interval
&& snd_hdac_is_power_on(&codec
->core
))
648 /* the power-up/down sequence triggers the runtime resume */
649 snd_hda_power_up_pm(codec
);
650 /* update jacks manually if polling is required, too */
651 if (codec
->jackpoll_interval
) {
652 snd_hda_jack_set_dirty_all(codec
);
653 snd_hda_jack_poll_all(codec
);
655 snd_hda_power_down_pm(codec
);
657 if (!codec
->jackpoll_interval
)
660 schedule_delayed_work(&codec
->jackpoll_work
,
661 codec
->jackpoll_interval
);
664 /* release all pincfg lists */
665 static void free_init_pincfgs(struct hda_codec
*codec
)
667 snd_array_free(&codec
->driver_pins
);
668 #ifdef CONFIG_SND_HDA_RECONFIG
669 snd_array_free(&codec
->user_pins
);
671 snd_array_free(&codec
->init_pins
);
675 * audio-converter setup caches
677 struct hda_cvt_setup
{
682 unsigned char active
; /* cvt is currently used */
683 unsigned char dirty
; /* setups should be cleared */
686 /* get or create a cache entry for the given audio converter NID */
687 static struct hda_cvt_setup
*
688 get_hda_cvt_setup(struct hda_codec
*codec
, hda_nid_t nid
)
690 struct hda_cvt_setup
*p
;
693 snd_array_for_each(&codec
->cvt_setups
, i
, p
) {
697 p
= snd_array_new(&codec
->cvt_setups
);
706 static void release_pcm(struct kref
*kref
)
708 struct hda_pcm
*pcm
= container_of(kref
, struct hda_pcm
, kref
);
711 snd_device_free(pcm
->codec
->card
, pcm
->pcm
);
712 clear_bit(pcm
->device
, pcm
->codec
->bus
->pcm_dev_bits
);
717 void snd_hda_codec_pcm_put(struct hda_pcm
*pcm
)
719 kref_put(&pcm
->kref
, release_pcm
);
721 EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_put
);
723 struct hda_pcm
*snd_hda_codec_pcm_new(struct hda_codec
*codec
,
724 const char *fmt
, ...)
729 pcm
= kzalloc(sizeof(*pcm
), GFP_KERNEL
);
734 kref_init(&pcm
->kref
);
736 pcm
->name
= kvasprintf(GFP_KERNEL
, fmt
, args
);
743 list_add_tail(&pcm
->list
, &codec
->pcm_list_head
);
746 EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_new
);
751 static void codec_release_pcms(struct hda_codec
*codec
)
753 struct hda_pcm
*pcm
, *n
;
755 list_for_each_entry_safe(pcm
, n
, &codec
->pcm_list_head
, list
) {
756 list_del_init(&pcm
->list
);
758 snd_device_disconnect(codec
->card
, pcm
->pcm
);
759 snd_hda_codec_pcm_put(pcm
);
763 void snd_hda_codec_cleanup_for_unbind(struct hda_codec
*codec
)
765 if (codec
->registered
) {
766 /* pm_runtime_put() is called in snd_hdac_device_exit() */
767 pm_runtime_get_noresume(hda_codec_dev(codec
));
768 pm_runtime_disable(hda_codec_dev(codec
));
769 codec
->registered
= 0;
772 cancel_delayed_work_sync(&codec
->jackpoll_work
);
773 if (!codec
->in_freeing
)
774 snd_hda_ctls_clear(codec
);
775 codec_release_pcms(codec
);
776 snd_hda_detach_beep_device(codec
);
777 memset(&codec
->patch_ops
, 0, sizeof(codec
->patch_ops
));
778 snd_hda_jack_tbl_clear(codec
);
779 codec
->proc_widget_hook
= NULL
;
782 /* free only driver_pins so that init_pins + user_pins are restored */
783 snd_array_free(&codec
->driver_pins
);
784 snd_array_free(&codec
->cvt_setups
);
785 snd_array_free(&codec
->spdif_out
);
786 snd_array_free(&codec
->verbs
);
787 codec
->preset
= NULL
;
788 codec
->follower_dig_outs
= NULL
;
789 codec
->spdif_status_reset
= 0;
790 snd_array_free(&codec
->mixers
);
791 snd_array_free(&codec
->nids
);
792 remove_conn_list(codec
);
793 snd_hdac_regmap_exit(&codec
->core
);
795 EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup_for_unbind
);
797 static unsigned int hda_set_power_state(struct hda_codec
*codec
,
798 unsigned int power_state
);
800 /* enable/disable display power per codec */
801 static void codec_display_power(struct hda_codec
*codec
, bool enable
)
803 if (codec
->display_power_control
)
804 snd_hdac_display_power(&codec
->bus
->core
, codec
->addr
, enable
);
807 /* also called from hda_bind.c */
808 void snd_hda_codec_register(struct hda_codec
*codec
)
810 if (codec
->registered
)
812 if (device_is_registered(hda_codec_dev(codec
))) {
813 codec_display_power(codec
, true);
814 pm_runtime_enable(hda_codec_dev(codec
));
815 /* it was powered up in snd_hda_codec_new(), now all done */
816 snd_hda_power_down(codec
);
817 codec
->registered
= 1;
821 static int snd_hda_codec_dev_register(struct snd_device
*device
)
823 snd_hda_codec_register(device
->device_data
);
827 static int snd_hda_codec_dev_free(struct snd_device
*device
)
829 struct hda_codec
*codec
= device
->device_data
;
831 codec
->in_freeing
= 1;
833 * snd_hda_codec_device_new() is used by legacy HDA and ASoC driver.
834 * We can't unregister ASoC device since it will be unregistered in
835 * snd_hdac_ext_bus_device_remove().
837 if (codec
->core
.type
== HDA_DEV_LEGACY
)
838 snd_hdac_device_unregister(&codec
->core
);
839 codec_display_power(codec
, false);
842 * In the case of ASoC HD-audio bus, the device refcount is released in
843 * snd_hdac_ext_bus_device_remove() explicitly.
845 if (codec
->core
.type
== HDA_DEV_LEGACY
)
846 put_device(hda_codec_dev(codec
));
851 static void snd_hda_codec_dev_release(struct device
*dev
)
853 struct hda_codec
*codec
= dev_to_hda_codec(dev
);
855 free_init_pincfgs(codec
);
856 snd_hdac_device_exit(&codec
->core
);
857 snd_hda_sysfs_clear(codec
);
858 kfree(codec
->modelname
);
862 * In the case of ASoC HD-audio, hda_codec is device managed.
863 * It will be freed when the ASoC device is removed.
865 if (codec
->core
.type
== HDA_DEV_LEGACY
)
869 #define DEV_NAME_LEN 31
871 static int snd_hda_codec_device_init(struct hda_bus
*bus
, struct snd_card
*card
,
872 unsigned int codec_addr
, struct hda_codec
**codecp
)
874 char name
[DEV_NAME_LEN
];
875 struct hda_codec
*codec
;
878 dev_dbg(card
->dev
, "%s: entry\n", __func__
);
880 if (snd_BUG_ON(!bus
))
882 if (snd_BUG_ON(codec_addr
> HDA_MAX_CODEC_ADDRESS
))
885 codec
= kzalloc(sizeof(*codec
), GFP_KERNEL
);
889 sprintf(name
, "hdaudioC%dD%d", card
->number
, codec_addr
);
890 err
= snd_hdac_device_init(&codec
->core
, &bus
->core
, name
, codec_addr
);
896 codec
->core
.type
= HDA_DEV_LEGACY
;
903 * snd_hda_codec_new - create a HDA codec
904 * @bus: the bus to assign
905 * @card: card for this codec
906 * @codec_addr: the codec address
907 * @codecp: the pointer to store the generated codec
909 * Returns 0 if successful, or a negative error code.
911 int snd_hda_codec_new(struct hda_bus
*bus
, struct snd_card
*card
,
912 unsigned int codec_addr
, struct hda_codec
**codecp
)
916 ret
= snd_hda_codec_device_init(bus
, card
, codec_addr
, codecp
);
920 return snd_hda_codec_device_new(bus
, card
, codec_addr
, *codecp
);
922 EXPORT_SYMBOL_GPL(snd_hda_codec_new
);
924 int snd_hda_codec_device_new(struct hda_bus
*bus
, struct snd_card
*card
,
925 unsigned int codec_addr
, struct hda_codec
*codec
)
930 static const struct snd_device_ops dev_ops
= {
931 .dev_register
= snd_hda_codec_dev_register
,
932 .dev_free
= snd_hda_codec_dev_free
,
935 dev_dbg(card
->dev
, "%s: entry\n", __func__
);
937 if (snd_BUG_ON(!bus
))
939 if (snd_BUG_ON(codec_addr
> HDA_MAX_CODEC_ADDRESS
))
942 codec
->core
.dev
.release
= snd_hda_codec_dev_release
;
943 codec
->core
.exec_verb
= codec_exec_verb
;
947 codec
->addr
= codec_addr
;
948 mutex_init(&codec
->spdif_mutex
);
949 mutex_init(&codec
->control_mutex
);
950 snd_array_init(&codec
->mixers
, sizeof(struct hda_nid_item
), 32);
951 snd_array_init(&codec
->nids
, sizeof(struct hda_nid_item
), 32);
952 snd_array_init(&codec
->init_pins
, sizeof(struct hda_pincfg
), 16);
953 snd_array_init(&codec
->driver_pins
, sizeof(struct hda_pincfg
), 16);
954 snd_array_init(&codec
->cvt_setups
, sizeof(struct hda_cvt_setup
), 8);
955 snd_array_init(&codec
->spdif_out
, sizeof(struct hda_spdif_out
), 16);
956 snd_array_init(&codec
->jacktbl
, sizeof(struct hda_jack_tbl
), 16);
957 snd_array_init(&codec
->verbs
, sizeof(struct hda_verb
*), 8);
958 INIT_LIST_HEAD(&codec
->conn_list
);
959 INIT_LIST_HEAD(&codec
->pcm_list_head
);
961 INIT_DELAYED_WORK(&codec
->jackpoll_work
, hda_jackpoll_work
);
962 codec
->depop_delay
= -1;
963 codec
->fixup_id
= HDA_FIXUP_ID_NOT_SET
;
966 codec
->power_jiffies
= jiffies
;
969 snd_hda_sysfs_init(codec
);
971 if (codec
->bus
->modelname
) {
972 codec
->modelname
= kstrdup(codec
->bus
->modelname
, GFP_KERNEL
);
973 if (!codec
->modelname
) {
979 fg
= codec
->core
.afg
? codec
->core
.afg
: codec
->core
.mfg
;
980 err
= read_widget_caps(codec
, fg
);
983 err
= read_pin_defaults(codec
);
987 /* power-up all before initialization */
988 hda_set_power_state(codec
, AC_PWRST_D0
);
989 codec
->core
.dev
.power
.power_state
= PMSG_ON
;
991 snd_hda_codec_proc_new(codec
);
993 snd_hda_create_hwdep(codec
);
995 sprintf(component
, "HDA:%08x,%08x,%08x", codec
->core
.vendor_id
,
996 codec
->core
.subsystem_id
, codec
->core
.revision_id
);
997 snd_component_add(card
, component
);
999 err
= snd_device_new(card
, SNDRV_DEV_CODEC
, codec
, &dev_ops
);
1003 /* PM runtime needs to be enabled later after binding codec */
1004 pm_runtime_forbid(&codec
->core
.dev
);
1009 put_device(hda_codec_dev(codec
));
1012 EXPORT_SYMBOL_GPL(snd_hda_codec_device_new
);
1015 * snd_hda_codec_update_widgets - Refresh widget caps and pin defaults
1016 * @codec: the HDA codec
1018 * Forcibly refresh the all widget caps and the init pin configurations of
1021 int snd_hda_codec_update_widgets(struct hda_codec
*codec
)
1026 err
= snd_hdac_refresh_widgets(&codec
->core
);
1030 /* Assume the function group node does not change,
1031 * only the widget nodes may change.
1033 kfree(codec
->wcaps
);
1034 fg
= codec
->core
.afg
? codec
->core
.afg
: codec
->core
.mfg
;
1035 err
= read_widget_caps(codec
, fg
);
1039 snd_array_free(&codec
->init_pins
);
1040 err
= read_pin_defaults(codec
);
1044 EXPORT_SYMBOL_GPL(snd_hda_codec_update_widgets
);
1046 /* update the stream-id if changed */
1047 static void update_pcm_stream_id(struct hda_codec
*codec
,
1048 struct hda_cvt_setup
*p
, hda_nid_t nid
,
1049 u32 stream_tag
, int channel_id
)
1051 unsigned int oldval
, newval
;
1053 if (p
->stream_tag
!= stream_tag
|| p
->channel_id
!= channel_id
) {
1054 oldval
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_CONV
, 0);
1055 newval
= (stream_tag
<< 4) | channel_id
;
1056 if (oldval
!= newval
)
1057 snd_hda_codec_write(codec
, nid
, 0,
1058 AC_VERB_SET_CHANNEL_STREAMID
,
1060 p
->stream_tag
= stream_tag
;
1061 p
->channel_id
= channel_id
;
1065 /* update the format-id if changed */
1066 static void update_pcm_format(struct hda_codec
*codec
, struct hda_cvt_setup
*p
,
1067 hda_nid_t nid
, int format
)
1069 unsigned int oldval
;
1071 if (p
->format_id
!= format
) {
1072 oldval
= snd_hda_codec_read(codec
, nid
, 0,
1073 AC_VERB_GET_STREAM_FORMAT
, 0);
1074 if (oldval
!= format
) {
1076 snd_hda_codec_write(codec
, nid
, 0,
1077 AC_VERB_SET_STREAM_FORMAT
,
1080 p
->format_id
= format
;
1085 * snd_hda_codec_setup_stream - set up the codec for streaming
1086 * @codec: the CODEC to set up
1087 * @nid: the NID to set up
1088 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
1089 * @channel_id: channel id to pass, zero based.
1090 * @format: stream format.
1092 void snd_hda_codec_setup_stream(struct hda_codec
*codec
, hda_nid_t nid
,
1094 int channel_id
, int format
)
1096 struct hda_codec
*c
;
1097 struct hda_cvt_setup
*p
;
1105 "hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
1106 nid
, stream_tag
, channel_id
, format
);
1107 p
= get_hda_cvt_setup(codec
, nid
);
1111 if (codec
->patch_ops
.stream_pm
)
1112 codec
->patch_ops
.stream_pm(codec
, nid
, true);
1113 if (codec
->pcm_format_first
)
1114 update_pcm_format(codec
, p
, nid
, format
);
1115 update_pcm_stream_id(codec
, p
, nid
, stream_tag
, channel_id
);
1116 if (!codec
->pcm_format_first
)
1117 update_pcm_format(codec
, p
, nid
, format
);
1122 /* make other inactive cvts with the same stream-tag dirty */
1123 type
= get_wcaps_type(get_wcaps(codec
, nid
));
1124 list_for_each_codec(c
, codec
->bus
) {
1125 snd_array_for_each(&c
->cvt_setups
, i
, p
) {
1126 if (!p
->active
&& p
->stream_tag
== stream_tag
&&
1127 get_wcaps_type(get_wcaps(c
, p
->nid
)) == type
)
1132 EXPORT_SYMBOL_GPL(snd_hda_codec_setup_stream
);
1134 static void really_cleanup_stream(struct hda_codec
*codec
,
1135 struct hda_cvt_setup
*q
);
1138 * __snd_hda_codec_cleanup_stream - clean up the codec for closing
1139 * @codec: the CODEC to clean up
1140 * @nid: the NID to clean up
1141 * @do_now: really clean up the stream instead of clearing the active flag
1143 void __snd_hda_codec_cleanup_stream(struct hda_codec
*codec
, hda_nid_t nid
,
1146 struct hda_cvt_setup
*p
;
1151 if (codec
->no_sticky_stream
)
1154 codec_dbg(codec
, "hda_codec_cleanup_stream: NID=0x%x\n", nid
);
1155 p
= get_hda_cvt_setup(codec
, nid
);
1157 /* here we just clear the active flag when do_now isn't set;
1158 * actual clean-ups will be done later in
1159 * purify_inactive_streams() called from snd_hda_codec_prpapre()
1162 really_cleanup_stream(codec
, p
);
1167 EXPORT_SYMBOL_GPL(__snd_hda_codec_cleanup_stream
);
1169 static void really_cleanup_stream(struct hda_codec
*codec
,
1170 struct hda_cvt_setup
*q
)
1172 hda_nid_t nid
= q
->nid
;
1173 if (q
->stream_tag
|| q
->channel_id
)
1174 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_CHANNEL_STREAMID
, 0);
1176 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_STREAM_FORMAT
, 0
1178 memset(q
, 0, sizeof(*q
));
1180 if (codec
->patch_ops
.stream_pm
)
1181 codec
->patch_ops
.stream_pm(codec
, nid
, false);
1184 /* clean up the all conflicting obsolete streams */
1185 static void purify_inactive_streams(struct hda_codec
*codec
)
1187 struct hda_codec
*c
;
1188 struct hda_cvt_setup
*p
;
1191 list_for_each_codec(c
, codec
->bus
) {
1192 snd_array_for_each(&c
->cvt_setups
, i
, p
) {
1194 really_cleanup_stream(c
, p
);
1200 /* clean up all streams; called from suspend */
1201 static void hda_cleanup_all_streams(struct hda_codec
*codec
)
1203 struct hda_cvt_setup
*p
;
1206 snd_array_for_each(&codec
->cvt_setups
, i
, p
) {
1208 really_cleanup_stream(codec
, p
);
1214 * amp access functions
1218 * query_amp_caps - query AMP capabilities
1219 * @codec: the HD-auio codec
1220 * @nid: the NID to query
1221 * @direction: either #HDA_INPUT or #HDA_OUTPUT
1223 * Query AMP capabilities for the given widget and direction.
1224 * Returns the obtained capability bits.
1226 * When cap bits have been already read, this doesn't read again but
1227 * returns the cached value.
1229 u32
query_amp_caps(struct hda_codec
*codec
, hda_nid_t nid
, int direction
)
1231 if (!(get_wcaps(codec
, nid
) & AC_WCAP_AMP_OVRD
))
1232 nid
= codec
->core
.afg
;
1233 return snd_hda_param_read(codec
, nid
,
1234 direction
== HDA_OUTPUT
?
1235 AC_PAR_AMP_OUT_CAP
: AC_PAR_AMP_IN_CAP
);
1237 EXPORT_SYMBOL_GPL(query_amp_caps
);
1240 * snd_hda_check_amp_caps - query AMP capabilities
1241 * @codec: the HD-audio codec
1242 * @nid: the NID to query
1243 * @dir: either #HDA_INPUT or #HDA_OUTPUT
1244 * @bits: bit mask to check the result
1246 * Check whether the widget has the given amp capability for the direction.
1248 bool snd_hda_check_amp_caps(struct hda_codec
*codec
, hda_nid_t nid
,
1249 int dir
, unsigned int bits
)
1253 if (get_wcaps(codec
, nid
) & (1 << (dir
+ 1)))
1254 if (query_amp_caps(codec
, nid
, dir
) & bits
)
1258 EXPORT_SYMBOL_GPL(snd_hda_check_amp_caps
);
1261 * snd_hda_override_amp_caps - Override the AMP capabilities
1262 * @codec: the CODEC to clean up
1263 * @nid: the NID to clean up
1264 * @dir: either #HDA_INPUT or #HDA_OUTPUT
1265 * @caps: the capability bits to set
1267 * Override the cached AMP caps bits value by the given one.
1268 * This function is useful if the driver needs to adjust the AMP ranges,
1269 * e.g. limit to 0dB, etc.
1271 * Returns zero if successful or a negative error code.
1273 int snd_hda_override_amp_caps(struct hda_codec
*codec
, hda_nid_t nid
, int dir
,
1278 snd_hda_override_wcaps(codec
, nid
,
1279 get_wcaps(codec
, nid
) | AC_WCAP_AMP_OVRD
);
1280 parm
= dir
== HDA_OUTPUT
? AC_PAR_AMP_OUT_CAP
: AC_PAR_AMP_IN_CAP
;
1281 return snd_hdac_override_parm(&codec
->core
, nid
, parm
, caps
);
1283 EXPORT_SYMBOL_GPL(snd_hda_override_amp_caps
);
1285 static unsigned int encode_amp(struct hda_codec
*codec
, hda_nid_t nid
,
1286 int ch
, int dir
, int idx
)
1288 unsigned int cmd
= snd_hdac_regmap_encode_amp(nid
, ch
, dir
, idx
);
1290 /* enable fake mute if no h/w mute but min=mute */
1291 if ((query_amp_caps(codec
, nid
, dir
) &
1292 (AC_AMPCAP_MUTE
| AC_AMPCAP_MIN_MUTE
)) == AC_AMPCAP_MIN_MUTE
)
1293 cmd
|= AC_AMP_FAKE_MUTE
;
1298 * snd_hda_codec_amp_update - update the AMP mono value
1299 * @codec: HD-audio codec
1300 * @nid: NID to read the AMP value
1301 * @ch: channel to update (0 or 1)
1302 * @dir: #HDA_INPUT or #HDA_OUTPUT
1303 * @idx: the index value (only for input direction)
1304 * @mask: bit mask to set
1305 * @val: the bits value to set
1307 * Update the AMP values for the given channel, direction and index.
1309 int snd_hda_codec_amp_update(struct hda_codec
*codec
, hda_nid_t nid
,
1310 int ch
, int dir
, int idx
, int mask
, int val
)
1312 unsigned int cmd
= encode_amp(codec
, nid
, ch
, dir
, idx
);
1314 return snd_hdac_regmap_update_raw(&codec
->core
, cmd
, mask
, val
);
1316 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_update
);
1319 * snd_hda_codec_amp_stereo - update the AMP stereo values
1320 * @codec: HD-audio codec
1321 * @nid: NID to read the AMP value
1322 * @direction: #HDA_INPUT or #HDA_OUTPUT
1323 * @idx: the index value (only for input direction)
1324 * @mask: bit mask to set
1325 * @val: the bits value to set
1327 * Update the AMP values like snd_hda_codec_amp_update(), but for a
1328 * stereo widget with the same mask and value.
1330 int snd_hda_codec_amp_stereo(struct hda_codec
*codec
, hda_nid_t nid
,
1331 int direction
, int idx
, int mask
, int val
)
1335 if (snd_BUG_ON(mask
& ~0xff))
1337 for (ch
= 0; ch
< 2; ch
++)
1338 ret
|= snd_hda_codec_amp_update(codec
, nid
, ch
, direction
,
1342 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_stereo
);
1345 * snd_hda_codec_amp_init - initialize the AMP value
1346 * @codec: the HDA codec
1347 * @nid: NID to read the AMP value
1348 * @ch: channel (left=0 or right=1)
1349 * @dir: #HDA_INPUT or #HDA_OUTPUT
1350 * @idx: the index value (only for input direction)
1351 * @mask: bit mask to set
1352 * @val: the bits value to set
1354 * Works like snd_hda_codec_amp_update() but it writes the value only at
1355 * the first access. If the amp was already initialized / updated beforehand,
1356 * this does nothing.
1358 int snd_hda_codec_amp_init(struct hda_codec
*codec
, hda_nid_t nid
, int ch
,
1359 int dir
, int idx
, int mask
, int val
)
1361 unsigned int cmd
= encode_amp(codec
, nid
, ch
, dir
, idx
);
1363 if (!codec
->core
.regmap
)
1365 return snd_hdac_regmap_update_raw_once(&codec
->core
, cmd
, mask
, val
);
1367 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init
);
1370 * snd_hda_codec_amp_init_stereo - initialize the stereo AMP value
1371 * @codec: the HDA codec
1372 * @nid: NID to read the AMP value
1373 * @dir: #HDA_INPUT or #HDA_OUTPUT
1374 * @idx: the index value (only for input direction)
1375 * @mask: bit mask to set
1376 * @val: the bits value to set
1378 * Call snd_hda_codec_amp_init() for both stereo channels.
1380 int snd_hda_codec_amp_init_stereo(struct hda_codec
*codec
, hda_nid_t nid
,
1381 int dir
, int idx
, int mask
, int val
)
1385 if (snd_BUG_ON(mask
& ~0xff))
1387 for (ch
= 0; ch
< 2; ch
++)
1388 ret
|= snd_hda_codec_amp_init(codec
, nid
, ch
, dir
,
1392 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init_stereo
);
1394 static u32
get_amp_max_value(struct hda_codec
*codec
, hda_nid_t nid
, int dir
,
1397 u32 caps
= query_amp_caps(codec
, nid
, dir
);
1399 caps
= (caps
& AC_AMPCAP_NUM_STEPS
) >> AC_AMPCAP_NUM_STEPS_SHIFT
;
1406 * snd_hda_mixer_amp_volume_info - Info callback for a standard AMP mixer
1407 * @kcontrol: referred ctl element
1408 * @uinfo: pointer to get/store the data
1410 * The control element is supposed to have the private_value field
1411 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1413 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol
*kcontrol
,
1414 struct snd_ctl_elem_info
*uinfo
)
1416 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1417 u16 nid
= get_amp_nid(kcontrol
);
1418 u8 chs
= get_amp_channels(kcontrol
);
1419 int dir
= get_amp_direction(kcontrol
);
1420 unsigned int ofs
= get_amp_offset(kcontrol
);
1422 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_INTEGER
;
1423 uinfo
->count
= chs
== 3 ? 2 : 1;
1424 uinfo
->value
.integer
.min
= 0;
1425 uinfo
->value
.integer
.max
= get_amp_max_value(codec
, nid
, dir
, ofs
);
1426 if (!uinfo
->value
.integer
.max
) {
1428 "num_steps = 0 for NID=0x%x (ctl = %s)\n",
1429 nid
, kcontrol
->id
.name
);
1434 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_info
);
1437 static inline unsigned int
1438 read_amp_value(struct hda_codec
*codec
, hda_nid_t nid
,
1439 int ch
, int dir
, int idx
, unsigned int ofs
)
1442 val
= snd_hda_codec_amp_read(codec
, nid
, ch
, dir
, idx
);
1443 val
&= HDA_AMP_VOLMASK
;
1452 update_amp_value(struct hda_codec
*codec
, hda_nid_t nid
,
1453 int ch
, int dir
, int idx
, unsigned int ofs
,
1456 unsigned int maxval
;
1460 /* ofs = 0: raw max value */
1461 maxval
= get_amp_max_value(codec
, nid
, dir
, 0);
1464 return snd_hda_codec_amp_update(codec
, nid
, ch
, dir
, idx
,
1465 HDA_AMP_VOLMASK
, val
);
1469 * snd_hda_mixer_amp_volume_get - Get callback for a standard AMP mixer volume
1470 * @kcontrol: ctl element
1471 * @ucontrol: pointer to get/store the data
1473 * The control element is supposed to have the private_value field
1474 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1476 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol
*kcontrol
,
1477 struct snd_ctl_elem_value
*ucontrol
)
1479 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1480 hda_nid_t nid
= get_amp_nid(kcontrol
);
1481 int chs
= get_amp_channels(kcontrol
);
1482 int dir
= get_amp_direction(kcontrol
);
1483 int idx
= get_amp_index(kcontrol
);
1484 unsigned int ofs
= get_amp_offset(kcontrol
);
1485 long *valp
= ucontrol
->value
.integer
.value
;
1488 *valp
++ = read_amp_value(codec
, nid
, 0, dir
, idx
, ofs
);
1490 *valp
= read_amp_value(codec
, nid
, 1, dir
, idx
, ofs
);
1493 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_get
);
1496 * snd_hda_mixer_amp_volume_put - Put callback for a standard AMP mixer volume
1497 * @kcontrol: ctl element
1498 * @ucontrol: pointer to get/store the data
1500 * The control element is supposed to have the private_value field
1501 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1503 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol
*kcontrol
,
1504 struct snd_ctl_elem_value
*ucontrol
)
1506 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1507 hda_nid_t nid
= get_amp_nid(kcontrol
);
1508 int chs
= get_amp_channels(kcontrol
);
1509 int dir
= get_amp_direction(kcontrol
);
1510 int idx
= get_amp_index(kcontrol
);
1511 unsigned int ofs
= get_amp_offset(kcontrol
);
1512 long *valp
= ucontrol
->value
.integer
.value
;
1516 change
= update_amp_value(codec
, nid
, 0, dir
, idx
, ofs
, *valp
);
1520 change
|= update_amp_value(codec
, nid
, 1, dir
, idx
, ofs
, *valp
);
1523 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_put
);
1525 /* inquiry the amp caps and convert to TLV */
1526 static void get_ctl_amp_tlv(struct snd_kcontrol
*kcontrol
, unsigned int *tlv
)
1528 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1529 hda_nid_t nid
= get_amp_nid(kcontrol
);
1530 int dir
= get_amp_direction(kcontrol
);
1531 unsigned int ofs
= get_amp_offset(kcontrol
);
1532 bool min_mute
= get_amp_min_mute(kcontrol
);
1533 u32 caps
, val1
, val2
;
1535 caps
= query_amp_caps(codec
, nid
, dir
);
1536 val2
= (caps
& AC_AMPCAP_STEP_SIZE
) >> AC_AMPCAP_STEP_SIZE_SHIFT
;
1537 val2
= (val2
+ 1) * 25;
1538 val1
= -((caps
& AC_AMPCAP_OFFSET
) >> AC_AMPCAP_OFFSET_SHIFT
);
1540 val1
= ((int)val1
) * ((int)val2
);
1541 if (min_mute
|| (caps
& AC_AMPCAP_MIN_MUTE
))
1542 val2
|= TLV_DB_SCALE_MUTE
;
1543 tlv
[SNDRV_CTL_TLVO_TYPE
] = SNDRV_CTL_TLVT_DB_SCALE
;
1544 tlv
[SNDRV_CTL_TLVO_LEN
] = 2 * sizeof(unsigned int);
1545 tlv
[SNDRV_CTL_TLVO_DB_SCALE_MIN
] = val1
;
1546 tlv
[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP
] = val2
;
1550 * snd_hda_mixer_amp_tlv - TLV callback for a standard AMP mixer volume
1551 * @kcontrol: ctl element
1552 * @op_flag: operation flag
1553 * @size: byte size of input TLV
1556 * The control element is supposed to have the private_value field
1557 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1559 int snd_hda_mixer_amp_tlv(struct snd_kcontrol
*kcontrol
, int op_flag
,
1560 unsigned int size
, unsigned int __user
*_tlv
)
1562 unsigned int tlv
[4];
1564 if (size
< 4 * sizeof(unsigned int))
1566 get_ctl_amp_tlv(kcontrol
, tlv
);
1567 if (copy_to_user(_tlv
, tlv
, sizeof(tlv
)))
1571 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_tlv
);
1574 * snd_hda_set_vmaster_tlv - Set TLV for a virtual master control
1575 * @codec: HD-audio codec
1576 * @nid: NID of a reference widget
1577 * @dir: #HDA_INPUT or #HDA_OUTPUT
1578 * @tlv: TLV data to be stored, at least 4 elements
1580 * Set (static) TLV data for a virtual master volume using the AMP caps
1581 * obtained from the reference NID.
1582 * The volume range is recalculated as if the max volume is 0dB.
1584 void snd_hda_set_vmaster_tlv(struct hda_codec
*codec
, hda_nid_t nid
, int dir
,
1590 caps
= query_amp_caps(codec
, nid
, dir
);
1591 nums
= (caps
& AC_AMPCAP_NUM_STEPS
) >> AC_AMPCAP_NUM_STEPS_SHIFT
;
1592 step
= (caps
& AC_AMPCAP_STEP_SIZE
) >> AC_AMPCAP_STEP_SIZE_SHIFT
;
1593 step
= (step
+ 1) * 25;
1594 tlv
[SNDRV_CTL_TLVO_TYPE
] = SNDRV_CTL_TLVT_DB_SCALE
;
1595 tlv
[SNDRV_CTL_TLVO_LEN
] = 2 * sizeof(unsigned int);
1596 tlv
[SNDRV_CTL_TLVO_DB_SCALE_MIN
] = -nums
* step
;
1597 tlv
[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP
] = step
;
1599 EXPORT_SYMBOL_GPL(snd_hda_set_vmaster_tlv
);
1601 /* find a mixer control element with the given name */
1602 static struct snd_kcontrol
*
1603 find_mixer_ctl(struct hda_codec
*codec
, const char *name
, int dev
, int idx
)
1605 struct snd_ctl_elem_id id
;
1606 memset(&id
, 0, sizeof(id
));
1607 id
.iface
= SNDRV_CTL_ELEM_IFACE_MIXER
;
1610 if (snd_BUG_ON(strlen(name
) >= sizeof(id
.name
)))
1612 strcpy(id
.name
, name
);
1613 return snd_ctl_find_id(codec
->card
, &id
);
1617 * snd_hda_find_mixer_ctl - Find a mixer control element with the given name
1618 * @codec: HD-audio codec
1619 * @name: ctl id name string
1621 * Get the control element with the given id string and IFACE_MIXER.
1623 struct snd_kcontrol
*snd_hda_find_mixer_ctl(struct hda_codec
*codec
,
1626 return find_mixer_ctl(codec
, name
, 0, 0);
1628 EXPORT_SYMBOL_GPL(snd_hda_find_mixer_ctl
);
1630 static int find_empty_mixer_ctl_idx(struct hda_codec
*codec
, const char *name
,
1634 /* 16 ctlrs should be large enough */
1635 for (i
= 0, idx
= start_idx
; i
< 16; i
++, idx
++) {
1636 if (!find_mixer_ctl(codec
, name
, 0, idx
))
1643 * snd_hda_ctl_add - Add a control element and assign to the codec
1644 * @codec: HD-audio codec
1645 * @nid: corresponding NID (optional)
1646 * @kctl: the control element to assign
1648 * Add the given control element to an array inside the codec instance.
1649 * All control elements belonging to a codec are supposed to be added
1650 * by this function so that a proper clean-up works at the free or
1651 * reconfiguration time.
1653 * If non-zero @nid is passed, the NID is assigned to the control element.
1654 * The assignment is shown in the codec proc file.
1656 * snd_hda_ctl_add() checks the control subdev id field whether
1657 * #HDA_SUBDEV_NID_FLAG bit is set. If set (and @nid is zero), the lower
1658 * bits value is taken as the NID to assign. The #HDA_NID_ITEM_AMP bit
1659 * specifies if kctl->private_value is a HDA amplifier value.
1661 int snd_hda_ctl_add(struct hda_codec
*codec
, hda_nid_t nid
,
1662 struct snd_kcontrol
*kctl
)
1665 unsigned short flags
= 0;
1666 struct hda_nid_item
*item
;
1668 if (kctl
->id
.subdevice
& HDA_SUBDEV_AMP_FLAG
) {
1669 flags
|= HDA_NID_ITEM_AMP
;
1671 nid
= get_amp_nid_(kctl
->private_value
);
1673 if ((kctl
->id
.subdevice
& HDA_SUBDEV_NID_FLAG
) != 0 && nid
== 0)
1674 nid
= kctl
->id
.subdevice
& 0xffff;
1675 if (kctl
->id
.subdevice
& (HDA_SUBDEV_NID_FLAG
|HDA_SUBDEV_AMP_FLAG
))
1676 kctl
->id
.subdevice
= 0;
1677 err
= snd_ctl_add(codec
->card
, kctl
);
1680 item
= snd_array_new(&codec
->mixers
);
1685 item
->flags
= flags
;
1688 EXPORT_SYMBOL_GPL(snd_hda_ctl_add
);
1691 * snd_hda_add_nid - Assign a NID to a control element
1692 * @codec: HD-audio codec
1693 * @nid: corresponding NID (optional)
1694 * @kctl: the control element to assign
1695 * @index: index to kctl
1697 * Add the given control element to an array inside the codec instance.
1698 * This function is used when #snd_hda_ctl_add cannot be used for 1:1
1699 * NID:KCTL mapping - for example "Capture Source" selector.
1701 int snd_hda_add_nid(struct hda_codec
*codec
, struct snd_kcontrol
*kctl
,
1702 unsigned int index
, hda_nid_t nid
)
1704 struct hda_nid_item
*item
;
1707 item
= snd_array_new(&codec
->nids
);
1711 item
->index
= index
;
1715 codec_err(codec
, "no NID for mapping control %s:%d:%d\n",
1716 kctl
->id
.name
, kctl
->id
.index
, index
);
1719 EXPORT_SYMBOL_GPL(snd_hda_add_nid
);
1722 * snd_hda_ctls_clear - Clear all controls assigned to the given codec
1723 * @codec: HD-audio codec
1725 void snd_hda_ctls_clear(struct hda_codec
*codec
)
1728 struct hda_nid_item
*items
= codec
->mixers
.list
;
1729 for (i
= 0; i
< codec
->mixers
.used
; i
++)
1730 snd_ctl_remove(codec
->card
, items
[i
].kctl
);
1731 snd_array_free(&codec
->mixers
);
1732 snd_array_free(&codec
->nids
);
1736 * snd_hda_lock_devices - pseudo device locking
1739 * toggle card->shutdown to allow/disallow the device access (as a hack)
1741 int snd_hda_lock_devices(struct hda_bus
*bus
)
1743 struct snd_card
*card
= bus
->card
;
1744 struct hda_codec
*codec
;
1746 spin_lock(&card
->files_lock
);
1750 if (!list_empty(&card
->ctl_files
))
1753 list_for_each_codec(codec
, bus
) {
1754 struct hda_pcm
*cpcm
;
1755 list_for_each_entry(cpcm
, &codec
->pcm_list_head
, list
) {
1758 if (cpcm
->pcm
->streams
[0].substream_opened
||
1759 cpcm
->pcm
->streams
[1].substream_opened
)
1763 spin_unlock(&card
->files_lock
);
1769 spin_unlock(&card
->files_lock
);
1772 EXPORT_SYMBOL_GPL(snd_hda_lock_devices
);
1775 * snd_hda_unlock_devices - pseudo device unlocking
1778 void snd_hda_unlock_devices(struct hda_bus
*bus
)
1780 struct snd_card
*card
= bus
->card
;
1782 spin_lock(&card
->files_lock
);
1784 spin_unlock(&card
->files_lock
);
1786 EXPORT_SYMBOL_GPL(snd_hda_unlock_devices
);
1789 * snd_hda_codec_reset - Clear all objects assigned to the codec
1790 * @codec: HD-audio codec
1792 * This frees the all PCM and control elements assigned to the codec, and
1793 * clears the caches and restores the pin default configurations.
1795 * When a device is being used, it returns -EBSY. If successfully freed,
1798 int snd_hda_codec_reset(struct hda_codec
*codec
)
1800 struct hda_bus
*bus
= codec
->bus
;
1802 if (snd_hda_lock_devices(bus
) < 0)
1805 /* OK, let it free */
1806 device_release_driver(hda_codec_dev(codec
));
1808 /* allow device access again */
1809 snd_hda_unlock_devices(bus
);
1813 typedef int (*map_follower_func_t
)(struct hda_codec
*, void *, struct snd_kcontrol
*);
1815 /* apply the function to all matching follower ctls in the mixer list */
1816 static int map_followers(struct hda_codec
*codec
, const char * const *followers
,
1817 const char *suffix
, map_follower_func_t func
, void *data
)
1819 struct hda_nid_item
*items
;
1820 const char * const *s
;
1823 items
= codec
->mixers
.list
;
1824 for (i
= 0; i
< codec
->mixers
.used
; i
++) {
1825 struct snd_kcontrol
*sctl
= items
[i
].kctl
;
1826 if (!sctl
|| sctl
->id
.iface
!= SNDRV_CTL_ELEM_IFACE_MIXER
)
1828 for (s
= followers
; *s
; s
++) {
1829 char tmpname
[sizeof(sctl
->id
.name
)];
1830 const char *name
= *s
;
1832 snprintf(tmpname
, sizeof(tmpname
), "%s %s",
1836 if (!strcmp(sctl
->id
.name
, name
)) {
1837 err
= func(codec
, data
, sctl
);
1847 static int check_follower_present(struct hda_codec
*codec
,
1848 void *data
, struct snd_kcontrol
*sctl
)
1853 /* call kctl->put with the given value(s) */
1854 static int put_kctl_with_value(struct snd_kcontrol
*kctl
, int val
)
1856 struct snd_ctl_elem_value
*ucontrol
;
1857 ucontrol
= kzalloc(sizeof(*ucontrol
), GFP_KERNEL
);
1860 ucontrol
->value
.integer
.value
[0] = val
;
1861 ucontrol
->value
.integer
.value
[1] = val
;
1862 kctl
->put(kctl
, ucontrol
);
1867 struct follower_init_arg
{
1868 struct hda_codec
*codec
;
1872 /* initialize the follower volume with 0dB via snd_ctl_apply_vmaster_followers() */
1873 static int init_follower_0dB(struct snd_kcontrol
*follower
,
1874 struct snd_kcontrol
*kctl
,
1877 struct follower_init_arg
*arg
= _arg
;
1879 const int *tlv
= NULL
;
1883 if (kctl
->vd
[0].access
& SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK
) {
1884 if (kctl
->tlv
.c
!= snd_hda_mixer_amp_tlv
) {
1885 codec_err(arg
->codec
,
1886 "Unexpected TLV callback for follower %s:%d\n",
1887 kctl
->id
.name
, kctl
->id
.index
);
1888 return 0; /* ignore */
1890 get_ctl_amp_tlv(kctl
, _tlv
);
1892 } else if (kctl
->vd
[0].access
& SNDRV_CTL_ELEM_ACCESS_TLV_READ
)
1895 if (!tlv
|| tlv
[SNDRV_CTL_TLVO_TYPE
] != SNDRV_CTL_TLVT_DB_SCALE
)
1898 step
= tlv
[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP
];
1899 step
&= ~TLV_DB_SCALE_MUTE
;
1902 if (arg
->step
&& arg
->step
!= step
) {
1903 codec_err(arg
->codec
,
1904 "Mismatching dB step for vmaster follower (%d!=%d)\n",
1910 val
= -tlv
[SNDRV_CTL_TLVO_DB_SCALE_MIN
] / step
;
1912 put_kctl_with_value(follower
, val
);
1919 /* unmute the follower via snd_ctl_apply_vmaster_followers() */
1920 static int init_follower_unmute(struct snd_kcontrol
*follower
,
1921 struct snd_kcontrol
*kctl
,
1924 return put_kctl_with_value(follower
, 1);
1927 static int add_follower(struct hda_codec
*codec
,
1928 void *data
, struct snd_kcontrol
*follower
)
1930 return snd_ctl_add_follower(data
, follower
);
1934 * __snd_hda_add_vmaster - create a virtual master control and add followers
1935 * @codec: HD-audio codec
1936 * @name: vmaster control name
1937 * @tlv: TLV data (optional)
1938 * @followers: follower control names (optional)
1939 * @suffix: suffix string to each follower name (optional)
1940 * @init_follower_vol: initialize followers to unmute/0dB
1941 * @ctl_ret: store the vmaster kcontrol in return
1943 * Create a virtual master control with the given name. The TLV data
1944 * must be either NULL or a valid data.
1946 * @followers is a NULL-terminated array of strings, each of which is a
1947 * follower control name. All controls with these names are assigned to
1948 * the new virtual master control.
1950 * This function returns zero if successful or a negative error code.
1952 int __snd_hda_add_vmaster(struct hda_codec
*codec
, char *name
,
1953 unsigned int *tlv
, const char * const *followers
,
1954 const char *suffix
, bool init_follower_vol
,
1955 struct snd_kcontrol
**ctl_ret
)
1957 struct snd_kcontrol
*kctl
;
1963 err
= map_followers(codec
, followers
, suffix
, check_follower_present
, NULL
);
1965 codec_dbg(codec
, "No follower found for %s\n", name
);
1968 kctl
= snd_ctl_make_virtual_master(name
, tlv
);
1971 err
= snd_hda_ctl_add(codec
, 0, kctl
);
1975 err
= map_followers(codec
, followers
, suffix
, add_follower
, kctl
);
1979 /* init with master mute & zero volume */
1980 put_kctl_with_value(kctl
, 0);
1981 if (init_follower_vol
) {
1982 struct follower_init_arg arg
= {
1986 snd_ctl_apply_vmaster_followers(kctl
,
1987 tlv
? init_follower_0dB
: init_follower_unmute
,
1995 EXPORT_SYMBOL_GPL(__snd_hda_add_vmaster
);
1998 * mute-LED control using vmaster
2000 static int vmaster_mute_mode_info(struct snd_kcontrol
*kcontrol
,
2001 struct snd_ctl_elem_info
*uinfo
)
2003 static const char * const texts
[] = {
2004 "On", "Off", "Follow Master"
2007 return snd_ctl_enum_info(uinfo
, 1, 3, texts
);
2010 static int vmaster_mute_mode_get(struct snd_kcontrol
*kcontrol
,
2011 struct snd_ctl_elem_value
*ucontrol
)
2013 struct hda_vmaster_mute_hook
*hook
= snd_kcontrol_chip(kcontrol
);
2014 ucontrol
->value
.enumerated
.item
[0] = hook
->mute_mode
;
2018 static int vmaster_mute_mode_put(struct snd_kcontrol
*kcontrol
,
2019 struct snd_ctl_elem_value
*ucontrol
)
2021 struct hda_vmaster_mute_hook
*hook
= snd_kcontrol_chip(kcontrol
);
2022 unsigned int old_mode
= hook
->mute_mode
;
2024 hook
->mute_mode
= ucontrol
->value
.enumerated
.item
[0];
2025 if (hook
->mute_mode
> HDA_VMUTE_FOLLOW_MASTER
)
2026 hook
->mute_mode
= HDA_VMUTE_FOLLOW_MASTER
;
2027 if (old_mode
== hook
->mute_mode
)
2029 snd_hda_sync_vmaster_hook(hook
);
2033 static const struct snd_kcontrol_new vmaster_mute_mode
= {
2034 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
2035 .name
= "Mute-LED Mode",
2036 .info
= vmaster_mute_mode_info
,
2037 .get
= vmaster_mute_mode_get
,
2038 .put
= vmaster_mute_mode_put
,
2041 /* meta hook to call each driver's vmaster hook */
2042 static void vmaster_hook(void *private_data
, int enabled
)
2044 struct hda_vmaster_mute_hook
*hook
= private_data
;
2046 if (hook
->mute_mode
!= HDA_VMUTE_FOLLOW_MASTER
)
2047 enabled
= hook
->mute_mode
;
2048 hook
->hook(hook
->codec
, enabled
);
2052 * snd_hda_add_vmaster_hook - Add a vmaster hook for mute-LED
2053 * @codec: the HDA codec
2054 * @hook: the vmaster hook object
2055 * @expose_enum_ctl: flag to create an enum ctl
2057 * Add a mute-LED hook with the given vmaster switch kctl.
2058 * When @expose_enum_ctl is set, "Mute-LED Mode" control is automatically
2059 * created and associated with the given hook.
2061 int snd_hda_add_vmaster_hook(struct hda_codec
*codec
,
2062 struct hda_vmaster_mute_hook
*hook
,
2063 bool expose_enum_ctl
)
2065 struct snd_kcontrol
*kctl
;
2067 if (!hook
->hook
|| !hook
->sw_kctl
)
2069 hook
->codec
= codec
;
2070 hook
->mute_mode
= HDA_VMUTE_FOLLOW_MASTER
;
2071 snd_ctl_add_vmaster_hook(hook
->sw_kctl
, vmaster_hook
, hook
);
2072 if (!expose_enum_ctl
)
2074 kctl
= snd_ctl_new1(&vmaster_mute_mode
, hook
);
2077 return snd_hda_ctl_add(codec
, 0, kctl
);
2079 EXPORT_SYMBOL_GPL(snd_hda_add_vmaster_hook
);
2082 * snd_hda_sync_vmaster_hook - Sync vmaster hook
2083 * @hook: the vmaster hook
2085 * Call the hook with the current value for synchronization.
2086 * Should be called in init callback.
2088 void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook
*hook
)
2090 if (!hook
->hook
|| !hook
->codec
)
2092 /* don't call vmaster hook in the destructor since it might have
2093 * been already destroyed
2095 if (hook
->codec
->bus
->shutdown
)
2097 snd_ctl_sync_vmaster_hook(hook
->sw_kctl
);
2099 EXPORT_SYMBOL_GPL(snd_hda_sync_vmaster_hook
);
2103 * snd_hda_mixer_amp_switch_info - Info callback for a standard AMP mixer switch
2104 * @kcontrol: referred ctl element
2105 * @uinfo: pointer to get/store the data
2107 * The control element is supposed to have the private_value field
2108 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2110 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol
*kcontrol
,
2111 struct snd_ctl_elem_info
*uinfo
)
2113 int chs
= get_amp_channels(kcontrol
);
2115 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_BOOLEAN
;
2116 uinfo
->count
= chs
== 3 ? 2 : 1;
2117 uinfo
->value
.integer
.min
= 0;
2118 uinfo
->value
.integer
.max
= 1;
2121 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_info
);
2124 * snd_hda_mixer_amp_switch_get - Get callback for a standard AMP mixer switch
2125 * @kcontrol: ctl element
2126 * @ucontrol: pointer to get/store the data
2128 * The control element is supposed to have the private_value field
2129 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2131 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol
*kcontrol
,
2132 struct snd_ctl_elem_value
*ucontrol
)
2134 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2135 hda_nid_t nid
= get_amp_nid(kcontrol
);
2136 int chs
= get_amp_channels(kcontrol
);
2137 int dir
= get_amp_direction(kcontrol
);
2138 int idx
= get_amp_index(kcontrol
);
2139 long *valp
= ucontrol
->value
.integer
.value
;
2142 *valp
++ = (snd_hda_codec_amp_read(codec
, nid
, 0, dir
, idx
) &
2143 HDA_AMP_MUTE
) ? 0 : 1;
2145 *valp
= (snd_hda_codec_amp_read(codec
, nid
, 1, dir
, idx
) &
2146 HDA_AMP_MUTE
) ? 0 : 1;
2149 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_get
);
2152 * snd_hda_mixer_amp_switch_put - Put callback for a standard AMP mixer switch
2153 * @kcontrol: ctl element
2154 * @ucontrol: pointer to get/store the data
2156 * The control element is supposed to have the private_value field
2157 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2159 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol
*kcontrol
,
2160 struct snd_ctl_elem_value
*ucontrol
)
2162 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2163 hda_nid_t nid
= get_amp_nid(kcontrol
);
2164 int chs
= get_amp_channels(kcontrol
);
2165 int dir
= get_amp_direction(kcontrol
);
2166 int idx
= get_amp_index(kcontrol
);
2167 long *valp
= ucontrol
->value
.integer
.value
;
2171 change
= snd_hda_codec_amp_update(codec
, nid
, 0, dir
, idx
,
2173 *valp
? 0 : HDA_AMP_MUTE
);
2177 change
|= snd_hda_codec_amp_update(codec
, nid
, 1, dir
, idx
,
2179 *valp
? 0 : HDA_AMP_MUTE
);
2180 hda_call_check_power_status(codec
, nid
);
2183 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put
);
2186 * SPDIF out controls
2189 static int snd_hda_spdif_mask_info(struct snd_kcontrol
*kcontrol
,
2190 struct snd_ctl_elem_info
*uinfo
)
2192 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_IEC958
;
2197 static int snd_hda_spdif_cmask_get(struct snd_kcontrol
*kcontrol
,
2198 struct snd_ctl_elem_value
*ucontrol
)
2200 ucontrol
->value
.iec958
.status
[0] = IEC958_AES0_PROFESSIONAL
|
2201 IEC958_AES0_NONAUDIO
|
2202 IEC958_AES0_CON_EMPHASIS_5015
|
2203 IEC958_AES0_CON_NOT_COPYRIGHT
;
2204 ucontrol
->value
.iec958
.status
[1] = IEC958_AES1_CON_CATEGORY
|
2205 IEC958_AES1_CON_ORIGINAL
;
2209 static int snd_hda_spdif_pmask_get(struct snd_kcontrol
*kcontrol
,
2210 struct snd_ctl_elem_value
*ucontrol
)
2212 ucontrol
->value
.iec958
.status
[0] = IEC958_AES0_PROFESSIONAL
|
2213 IEC958_AES0_NONAUDIO
|
2214 IEC958_AES0_PRO_EMPHASIS_5015
;
2218 static int snd_hda_spdif_default_get(struct snd_kcontrol
*kcontrol
,
2219 struct snd_ctl_elem_value
*ucontrol
)
2221 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2222 int idx
= kcontrol
->private_value
;
2223 struct hda_spdif_out
*spdif
;
2225 if (WARN_ON(codec
->spdif_out
.used
<= idx
))
2227 mutex_lock(&codec
->spdif_mutex
);
2228 spdif
= snd_array_elem(&codec
->spdif_out
, idx
);
2229 ucontrol
->value
.iec958
.status
[0] = spdif
->status
& 0xff;
2230 ucontrol
->value
.iec958
.status
[1] = (spdif
->status
>> 8) & 0xff;
2231 ucontrol
->value
.iec958
.status
[2] = (spdif
->status
>> 16) & 0xff;
2232 ucontrol
->value
.iec958
.status
[3] = (spdif
->status
>> 24) & 0xff;
2233 mutex_unlock(&codec
->spdif_mutex
);
2238 /* convert from SPDIF status bits to HDA SPDIF bits
2239 * bit 0 (DigEn) is always set zero (to be filled later)
2241 static unsigned short convert_from_spdif_status(unsigned int sbits
)
2243 unsigned short val
= 0;
2245 if (sbits
& IEC958_AES0_PROFESSIONAL
)
2246 val
|= AC_DIG1_PROFESSIONAL
;
2247 if (sbits
& IEC958_AES0_NONAUDIO
)
2248 val
|= AC_DIG1_NONAUDIO
;
2249 if (sbits
& IEC958_AES0_PROFESSIONAL
) {
2250 if ((sbits
& IEC958_AES0_PRO_EMPHASIS
) ==
2251 IEC958_AES0_PRO_EMPHASIS_5015
)
2252 val
|= AC_DIG1_EMPHASIS
;
2254 if ((sbits
& IEC958_AES0_CON_EMPHASIS
) ==
2255 IEC958_AES0_CON_EMPHASIS_5015
)
2256 val
|= AC_DIG1_EMPHASIS
;
2257 if (!(sbits
& IEC958_AES0_CON_NOT_COPYRIGHT
))
2258 val
|= AC_DIG1_COPYRIGHT
;
2259 if (sbits
& (IEC958_AES1_CON_ORIGINAL
<< 8))
2260 val
|= AC_DIG1_LEVEL
;
2261 val
|= sbits
& (IEC958_AES1_CON_CATEGORY
<< 8);
2266 /* convert to SPDIF status bits from HDA SPDIF bits
2268 static unsigned int convert_to_spdif_status(unsigned short val
)
2270 unsigned int sbits
= 0;
2272 if (val
& AC_DIG1_NONAUDIO
)
2273 sbits
|= IEC958_AES0_NONAUDIO
;
2274 if (val
& AC_DIG1_PROFESSIONAL
)
2275 sbits
|= IEC958_AES0_PROFESSIONAL
;
2276 if (sbits
& IEC958_AES0_PROFESSIONAL
) {
2277 if (val
& AC_DIG1_EMPHASIS
)
2278 sbits
|= IEC958_AES0_PRO_EMPHASIS_5015
;
2280 if (val
& AC_DIG1_EMPHASIS
)
2281 sbits
|= IEC958_AES0_CON_EMPHASIS_5015
;
2282 if (!(val
& AC_DIG1_COPYRIGHT
))
2283 sbits
|= IEC958_AES0_CON_NOT_COPYRIGHT
;
2284 if (val
& AC_DIG1_LEVEL
)
2285 sbits
|= (IEC958_AES1_CON_ORIGINAL
<< 8);
2286 sbits
|= val
& (0x7f << 8);
2291 /* set digital convert verbs both for the given NID and its followers */
2292 static void set_dig_out(struct hda_codec
*codec
, hda_nid_t nid
,
2297 snd_hdac_regmap_update(&codec
->core
, nid
, AC_VERB_SET_DIGI_CONVERT_1
,
2299 d
= codec
->follower_dig_outs
;
2303 snd_hdac_regmap_update(&codec
->core
, *d
,
2304 AC_VERB_SET_DIGI_CONVERT_1
, mask
, val
);
2307 static inline void set_dig_out_convert(struct hda_codec
*codec
, hda_nid_t nid
,
2310 unsigned int mask
= 0;
2311 unsigned int val
= 0;
2321 set_dig_out(codec
, nid
, mask
, val
);
2324 static int snd_hda_spdif_default_put(struct snd_kcontrol
*kcontrol
,
2325 struct snd_ctl_elem_value
*ucontrol
)
2327 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2328 int idx
= kcontrol
->private_value
;
2329 struct hda_spdif_out
*spdif
;
2334 if (WARN_ON(codec
->spdif_out
.used
<= idx
))
2336 mutex_lock(&codec
->spdif_mutex
);
2337 spdif
= snd_array_elem(&codec
->spdif_out
, idx
);
2339 spdif
->status
= ucontrol
->value
.iec958
.status
[0] |
2340 ((unsigned int)ucontrol
->value
.iec958
.status
[1] << 8) |
2341 ((unsigned int)ucontrol
->value
.iec958
.status
[2] << 16) |
2342 ((unsigned int)ucontrol
->value
.iec958
.status
[3] << 24);
2343 val
= convert_from_spdif_status(spdif
->status
);
2344 val
|= spdif
->ctls
& 1;
2345 change
= spdif
->ctls
!= val
;
2347 if (change
&& nid
!= (u16
)-1)
2348 set_dig_out_convert(codec
, nid
, val
& 0xff, (val
>> 8) & 0xff);
2349 mutex_unlock(&codec
->spdif_mutex
);
2353 #define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
2355 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol
*kcontrol
,
2356 struct snd_ctl_elem_value
*ucontrol
)
2358 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2359 int idx
= kcontrol
->private_value
;
2360 struct hda_spdif_out
*spdif
;
2362 if (WARN_ON(codec
->spdif_out
.used
<= idx
))
2364 mutex_lock(&codec
->spdif_mutex
);
2365 spdif
= snd_array_elem(&codec
->spdif_out
, idx
);
2366 ucontrol
->value
.integer
.value
[0] = spdif
->ctls
& AC_DIG1_ENABLE
;
2367 mutex_unlock(&codec
->spdif_mutex
);
2371 static inline void set_spdif_ctls(struct hda_codec
*codec
, hda_nid_t nid
,
2374 set_dig_out_convert(codec
, nid
, dig1
, dig2
);
2375 /* unmute amp switch (if any) */
2376 if ((get_wcaps(codec
, nid
) & AC_WCAP_OUT_AMP
) &&
2377 (dig1
& AC_DIG1_ENABLE
))
2378 snd_hda_codec_amp_stereo(codec
, nid
, HDA_OUTPUT
, 0,
2382 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol
*kcontrol
,
2383 struct snd_ctl_elem_value
*ucontrol
)
2385 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2386 int idx
= kcontrol
->private_value
;
2387 struct hda_spdif_out
*spdif
;
2392 if (WARN_ON(codec
->spdif_out
.used
<= idx
))
2394 mutex_lock(&codec
->spdif_mutex
);
2395 spdif
= snd_array_elem(&codec
->spdif_out
, idx
);
2397 val
= spdif
->ctls
& ~AC_DIG1_ENABLE
;
2398 if (ucontrol
->value
.integer
.value
[0])
2399 val
|= AC_DIG1_ENABLE
;
2400 change
= spdif
->ctls
!= val
;
2402 if (change
&& nid
!= (u16
)-1)
2403 set_spdif_ctls(codec
, nid
, val
& 0xff, -1);
2404 mutex_unlock(&codec
->spdif_mutex
);
2408 static const struct snd_kcontrol_new dig_mixes
[] = {
2410 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
2411 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
2412 .name
= SNDRV_CTL_NAME_IEC958("", PLAYBACK
, CON_MASK
),
2413 .info
= snd_hda_spdif_mask_info
,
2414 .get
= snd_hda_spdif_cmask_get
,
2417 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
2418 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
2419 .name
= SNDRV_CTL_NAME_IEC958("", PLAYBACK
, PRO_MASK
),
2420 .info
= snd_hda_spdif_mask_info
,
2421 .get
= snd_hda_spdif_pmask_get
,
2424 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
2425 .name
= SNDRV_CTL_NAME_IEC958("", PLAYBACK
, DEFAULT
),
2426 .info
= snd_hda_spdif_mask_info
,
2427 .get
= snd_hda_spdif_default_get
,
2428 .put
= snd_hda_spdif_default_put
,
2431 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
2432 .name
= SNDRV_CTL_NAME_IEC958("", PLAYBACK
, SWITCH
),
2433 .info
= snd_hda_spdif_out_switch_info
,
2434 .get
= snd_hda_spdif_out_switch_get
,
2435 .put
= snd_hda_spdif_out_switch_put
,
2441 * snd_hda_create_dig_out_ctls - create Output SPDIF-related controls
2442 * @codec: the HDA codec
2443 * @associated_nid: NID that new ctls associated with
2444 * @cvt_nid: converter NID
2445 * @type: HDA_PCM_TYPE_*
2446 * Creates controls related with the digital output.
2447 * Called from each patch supporting the digital out.
2449 * Returns 0 if successful, or a negative error code.
2451 int snd_hda_create_dig_out_ctls(struct hda_codec
*codec
,
2452 hda_nid_t associated_nid
,
2457 struct snd_kcontrol
*kctl
;
2458 const struct snd_kcontrol_new
*dig_mix
;
2461 const int spdif_index
= 16;
2462 struct hda_spdif_out
*spdif
;
2463 struct hda_bus
*bus
= codec
->bus
;
2465 if (bus
->primary_dig_out_type
== HDA_PCM_TYPE_HDMI
&&
2466 type
== HDA_PCM_TYPE_SPDIF
) {
2468 } else if (bus
->primary_dig_out_type
== HDA_PCM_TYPE_SPDIF
&&
2469 type
== HDA_PCM_TYPE_HDMI
) {
2470 /* suppose a single SPDIF device */
2471 for (dig_mix
= dig_mixes
; dig_mix
->name
; dig_mix
++) {
2472 kctl
= find_mixer_ctl(codec
, dig_mix
->name
, 0, 0);
2475 kctl
->id
.index
= spdif_index
;
2477 bus
->primary_dig_out_type
= HDA_PCM_TYPE_HDMI
;
2479 if (!bus
->primary_dig_out_type
)
2480 bus
->primary_dig_out_type
= type
;
2482 idx
= find_empty_mixer_ctl_idx(codec
, "IEC958 Playback Switch", idx
);
2484 codec_err(codec
, "too many IEC958 outputs\n");
2487 spdif
= snd_array_new(&codec
->spdif_out
);
2490 for (dig_mix
= dig_mixes
; dig_mix
->name
; dig_mix
++) {
2491 kctl
= snd_ctl_new1(dig_mix
, codec
);
2494 kctl
->id
.index
= idx
;
2495 kctl
->private_value
= codec
->spdif_out
.used
- 1;
2496 err
= snd_hda_ctl_add(codec
, associated_nid
, kctl
);
2500 spdif
->nid
= cvt_nid
;
2501 snd_hdac_regmap_read(&codec
->core
, cvt_nid
,
2502 AC_VERB_GET_DIGI_CONVERT_1
, &val
);
2504 spdif
->status
= convert_to_spdif_status(spdif
->ctls
);
2507 EXPORT_SYMBOL_GPL(snd_hda_create_dig_out_ctls
);
2510 * snd_hda_spdif_out_of_nid - get the hda_spdif_out entry from the given NID
2511 * @codec: the HDA codec
2514 * call within spdif_mutex lock
2516 struct hda_spdif_out
*snd_hda_spdif_out_of_nid(struct hda_codec
*codec
,
2519 struct hda_spdif_out
*spdif
;
2522 snd_array_for_each(&codec
->spdif_out
, i
, spdif
) {
2523 if (spdif
->nid
== nid
)
2528 EXPORT_SYMBOL_GPL(snd_hda_spdif_out_of_nid
);
2531 * snd_hda_spdif_ctls_unassign - Unassign the given SPDIF ctl
2532 * @codec: the HDA codec
2533 * @idx: the SPDIF ctl index
2535 * Unassign the widget from the given SPDIF control.
2537 void snd_hda_spdif_ctls_unassign(struct hda_codec
*codec
, int idx
)
2539 struct hda_spdif_out
*spdif
;
2541 if (WARN_ON(codec
->spdif_out
.used
<= idx
))
2543 mutex_lock(&codec
->spdif_mutex
);
2544 spdif
= snd_array_elem(&codec
->spdif_out
, idx
);
2545 spdif
->nid
= (u16
)-1;
2546 mutex_unlock(&codec
->spdif_mutex
);
2548 EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_unassign
);
2551 * snd_hda_spdif_ctls_assign - Assign the SPDIF controls to the given NID
2552 * @codec: the HDA codec
2553 * @idx: the SPDIF ctl idx
2556 * Assign the widget to the SPDIF control with the given index.
2558 void snd_hda_spdif_ctls_assign(struct hda_codec
*codec
, int idx
, hda_nid_t nid
)
2560 struct hda_spdif_out
*spdif
;
2563 if (WARN_ON(codec
->spdif_out
.used
<= idx
))
2565 mutex_lock(&codec
->spdif_mutex
);
2566 spdif
= snd_array_elem(&codec
->spdif_out
, idx
);
2567 if (spdif
->nid
!= nid
) {
2570 set_spdif_ctls(codec
, nid
, val
& 0xff, (val
>> 8) & 0xff);
2572 mutex_unlock(&codec
->spdif_mutex
);
2574 EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_assign
);
2577 * SPDIF sharing with analog output
2579 static int spdif_share_sw_get(struct snd_kcontrol
*kcontrol
,
2580 struct snd_ctl_elem_value
*ucontrol
)
2582 struct hda_multi_out
*mout
= snd_kcontrol_chip(kcontrol
);
2583 ucontrol
->value
.integer
.value
[0] = mout
->share_spdif
;
2587 static int spdif_share_sw_put(struct snd_kcontrol
*kcontrol
,
2588 struct snd_ctl_elem_value
*ucontrol
)
2590 struct hda_multi_out
*mout
= snd_kcontrol_chip(kcontrol
);
2591 mout
->share_spdif
= !!ucontrol
->value
.integer
.value
[0];
2595 static const struct snd_kcontrol_new spdif_share_sw
= {
2596 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
2597 .name
= "IEC958 Default PCM Playback Switch",
2598 .info
= snd_ctl_boolean_mono_info
,
2599 .get
= spdif_share_sw_get
,
2600 .put
= spdif_share_sw_put
,
2604 * snd_hda_create_spdif_share_sw - create Default PCM switch
2605 * @codec: the HDA codec
2606 * @mout: multi-out instance
2608 int snd_hda_create_spdif_share_sw(struct hda_codec
*codec
,
2609 struct hda_multi_out
*mout
)
2611 struct snd_kcontrol
*kctl
;
2613 if (!mout
->dig_out_nid
)
2616 kctl
= snd_ctl_new1(&spdif_share_sw
, mout
);
2619 /* ATTENTION: here mout is passed as private_data, instead of codec */
2620 return snd_hda_ctl_add(codec
, mout
->dig_out_nid
, kctl
);
2622 EXPORT_SYMBOL_GPL(snd_hda_create_spdif_share_sw
);
2628 #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
2630 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol
*kcontrol
,
2631 struct snd_ctl_elem_value
*ucontrol
)
2633 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2635 ucontrol
->value
.integer
.value
[0] = codec
->spdif_in_enable
;
2639 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol
*kcontrol
,
2640 struct snd_ctl_elem_value
*ucontrol
)
2642 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2643 hda_nid_t nid
= kcontrol
->private_value
;
2644 unsigned int val
= !!ucontrol
->value
.integer
.value
[0];
2647 mutex_lock(&codec
->spdif_mutex
);
2648 change
= codec
->spdif_in_enable
!= val
;
2650 codec
->spdif_in_enable
= val
;
2651 snd_hdac_regmap_write(&codec
->core
, nid
,
2652 AC_VERB_SET_DIGI_CONVERT_1
, val
);
2654 mutex_unlock(&codec
->spdif_mutex
);
2658 static int snd_hda_spdif_in_status_get(struct snd_kcontrol
*kcontrol
,
2659 struct snd_ctl_elem_value
*ucontrol
)
2661 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2662 hda_nid_t nid
= kcontrol
->private_value
;
2666 snd_hdac_regmap_read(&codec
->core
, nid
,
2667 AC_VERB_GET_DIGI_CONVERT_1
, &val
);
2668 sbits
= convert_to_spdif_status(val
);
2669 ucontrol
->value
.iec958
.status
[0] = sbits
;
2670 ucontrol
->value
.iec958
.status
[1] = sbits
>> 8;
2671 ucontrol
->value
.iec958
.status
[2] = sbits
>> 16;
2672 ucontrol
->value
.iec958
.status
[3] = sbits
>> 24;
2676 static const struct snd_kcontrol_new dig_in_ctls
[] = {
2678 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
2679 .name
= SNDRV_CTL_NAME_IEC958("", CAPTURE
, SWITCH
),
2680 .info
= snd_hda_spdif_in_switch_info
,
2681 .get
= snd_hda_spdif_in_switch_get
,
2682 .put
= snd_hda_spdif_in_switch_put
,
2685 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
2686 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
2687 .name
= SNDRV_CTL_NAME_IEC958("", CAPTURE
, DEFAULT
),
2688 .info
= snd_hda_spdif_mask_info
,
2689 .get
= snd_hda_spdif_in_status_get
,
2695 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
2696 * @codec: the HDA codec
2697 * @nid: audio in widget NID
2699 * Creates controls related with the SPDIF input.
2700 * Called from each patch supporting the SPDIF in.
2702 * Returns 0 if successful, or a negative error code.
2704 int snd_hda_create_spdif_in_ctls(struct hda_codec
*codec
, hda_nid_t nid
)
2707 struct snd_kcontrol
*kctl
;
2708 const struct snd_kcontrol_new
*dig_mix
;
2711 idx
= find_empty_mixer_ctl_idx(codec
, "IEC958 Capture Switch", 0);
2713 codec_err(codec
, "too many IEC958 inputs\n");
2716 for (dig_mix
= dig_in_ctls
; dig_mix
->name
; dig_mix
++) {
2717 kctl
= snd_ctl_new1(dig_mix
, codec
);
2720 kctl
->private_value
= nid
;
2721 err
= snd_hda_ctl_add(codec
, nid
, kctl
);
2725 codec
->spdif_in_enable
=
2726 snd_hda_codec_read(codec
, nid
, 0,
2727 AC_VERB_GET_DIGI_CONVERT_1
, 0) &
2731 EXPORT_SYMBOL_GPL(snd_hda_create_spdif_in_ctls
);
2734 * snd_hda_codec_set_power_to_all - Set the power state to all widgets
2735 * @codec: the HDA codec
2736 * @fg: function group (not used now)
2737 * @power_state: the power state to set (AC_PWRST_*)
2739 * Set the given power state to all widgets that have the power control.
2740 * If the codec has power_filter set, it evaluates the power state and
2741 * filter out if it's unchanged as D3.
2743 void snd_hda_codec_set_power_to_all(struct hda_codec
*codec
, hda_nid_t fg
,
2744 unsigned int power_state
)
2748 for_each_hda_codec_node(nid
, codec
) {
2749 unsigned int wcaps
= get_wcaps(codec
, nid
);
2750 unsigned int state
= power_state
;
2751 if (!(wcaps
& AC_WCAP_POWER
))
2753 if (codec
->power_filter
) {
2754 state
= codec
->power_filter(codec
, nid
, power_state
);
2755 if (state
!= power_state
&& power_state
== AC_PWRST_D3
)
2758 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_POWER_STATE
,
2762 EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_to_all
);
2765 * snd_hda_codec_eapd_power_filter - A power filter callback for EAPD
2766 * @codec: the HDA codec
2768 * @power_state: power state to evalue
2770 * Don't power down the widget if it controls eapd and EAPD_BTLENABLE is set.
2771 * This can be used a codec power_filter callback.
2773 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec
*codec
,
2775 unsigned int power_state
)
2777 if (nid
== codec
->core
.afg
|| nid
== codec
->core
.mfg
)
2779 if (power_state
== AC_PWRST_D3
&&
2780 get_wcaps_type(get_wcaps(codec
, nid
)) == AC_WID_PIN
&&
2781 (snd_hda_query_pin_caps(codec
, nid
) & AC_PINCAP_EAPD
)) {
2782 int eapd
= snd_hda_codec_read(codec
, nid
, 0,
2783 AC_VERB_GET_EAPD_BTLENABLE
, 0);
2789 EXPORT_SYMBOL_GPL(snd_hda_codec_eapd_power_filter
);
2792 * set power state of the codec, and return the power state
2794 static unsigned int hda_set_power_state(struct hda_codec
*codec
,
2795 unsigned int power_state
)
2797 hda_nid_t fg
= codec
->core
.afg
? codec
->core
.afg
: codec
->core
.mfg
;
2802 /* this delay seems necessary to avoid click noise at power-down */
2803 if (power_state
== AC_PWRST_D3
) {
2804 if (codec
->depop_delay
< 0)
2805 msleep(codec_has_epss(codec
) ? 10 : 100);
2806 else if (codec
->depop_delay
> 0)
2807 msleep(codec
->depop_delay
);
2808 flags
= HDA_RW_NO_RESPONSE_FALLBACK
;
2811 /* repeat power states setting at most 10 times*/
2812 for (count
= 0; count
< 10; count
++) {
2813 if (codec
->patch_ops
.set_power_state
)
2814 codec
->patch_ops
.set_power_state(codec
, fg
,
2817 state
= power_state
;
2818 if (codec
->power_filter
)
2819 state
= codec
->power_filter(codec
, fg
, state
);
2820 if (state
== power_state
|| power_state
!= AC_PWRST_D3
)
2821 snd_hda_codec_read(codec
, fg
, flags
,
2822 AC_VERB_SET_POWER_STATE
,
2824 snd_hda_codec_set_power_to_all(codec
, fg
, power_state
);
2826 state
= snd_hda_sync_power_state(codec
, fg
, power_state
);
2827 if (!(state
& AC_PWRST_ERROR
))
2834 /* sync power states of all widgets;
2835 * this is called at the end of codec parsing
2837 static void sync_power_up_states(struct hda_codec
*codec
)
2841 /* don't care if no filter is used */
2842 if (!codec
->power_filter
)
2845 for_each_hda_codec_node(nid
, codec
) {
2846 unsigned int wcaps
= get_wcaps(codec
, nid
);
2847 unsigned int target
;
2848 if (!(wcaps
& AC_WCAP_POWER
))
2850 target
= codec
->power_filter(codec
, nid
, AC_PWRST_D0
);
2851 if (target
== AC_PWRST_D0
)
2853 if (!snd_hda_check_power_state(codec
, nid
, target
))
2854 snd_hda_codec_write(codec
, nid
, 0,
2855 AC_VERB_SET_POWER_STATE
, target
);
2859 #ifdef CONFIG_SND_HDA_RECONFIG
2860 /* execute additional init verbs */
2861 static void hda_exec_init_verbs(struct hda_codec
*codec
)
2863 if (codec
->init_verbs
.list
)
2864 snd_hda_sequence_write(codec
, codec
->init_verbs
.list
);
2867 static inline void hda_exec_init_verbs(struct hda_codec
*codec
) {}
2871 /* update the power on/off account with the current jiffies */
2872 static void update_power_acct(struct hda_codec
*codec
, bool on
)
2874 unsigned long delta
= jiffies
- codec
->power_jiffies
;
2877 codec
->power_on_acct
+= delta
;
2879 codec
->power_off_acct
+= delta
;
2880 codec
->power_jiffies
+= delta
;
2883 void snd_hda_update_power_acct(struct hda_codec
*codec
)
2885 update_power_acct(codec
, hda_codec_is_power_on(codec
));
2889 * call suspend and power-down; used both from PM and power-save
2890 * this function returns the power state in the end
2892 static unsigned int hda_call_codec_suspend(struct hda_codec
*codec
)
2896 snd_hdac_enter_pm(&codec
->core
);
2897 if (codec
->patch_ops
.suspend
)
2898 codec
->patch_ops
.suspend(codec
);
2899 hda_cleanup_all_streams(codec
);
2900 state
= hda_set_power_state(codec
, AC_PWRST_D3
);
2901 update_power_acct(codec
, true);
2902 snd_hdac_leave_pm(&codec
->core
);
2907 * kick up codec; used both from PM and power-save
2909 static void hda_call_codec_resume(struct hda_codec
*codec
)
2911 snd_hdac_enter_pm(&codec
->core
);
2912 if (codec
->core
.regmap
)
2913 regcache_mark_dirty(codec
->core
.regmap
);
2915 codec
->power_jiffies
= jiffies
;
2917 hda_set_power_state(codec
, AC_PWRST_D0
);
2918 restore_shutup_pins(codec
);
2919 hda_exec_init_verbs(codec
);
2920 snd_hda_jack_set_dirty_all(codec
);
2921 if (codec
->patch_ops
.resume
)
2922 codec
->patch_ops
.resume(codec
);
2924 if (codec
->patch_ops
.init
)
2925 codec
->patch_ops
.init(codec
);
2926 snd_hda_regmap_sync(codec
);
2929 if (codec
->jackpoll_interval
)
2930 hda_jackpoll_work(&codec
->jackpoll_work
.work
);
2932 snd_hda_jack_report_sync(codec
);
2933 codec
->core
.dev
.power
.power_state
= PMSG_ON
;
2934 snd_hdac_leave_pm(&codec
->core
);
2937 static int hda_codec_runtime_suspend(struct device
*dev
)
2939 struct hda_codec
*codec
= dev_to_hda_codec(dev
);
2942 /* Nothing to do if card registration fails and the component driver never probes */
2946 cancel_delayed_work_sync(&codec
->jackpoll_work
);
2947 state
= hda_call_codec_suspend(codec
);
2948 if (codec
->link_down_at_suspend
||
2949 (codec_has_clkstop(codec
) && codec_has_epss(codec
) &&
2950 (state
& AC_PWRST_CLK_STOP_OK
)))
2951 snd_hdac_codec_link_down(&codec
->core
);
2952 codec_display_power(codec
, false);
2956 static int hda_codec_runtime_resume(struct device
*dev
)
2958 struct hda_codec
*codec
= dev_to_hda_codec(dev
);
2960 /* Nothing to do if card registration fails and the component driver never probes */
2964 codec_display_power(codec
, true);
2965 snd_hdac_codec_link_up(&codec
->core
);
2966 hda_call_codec_resume(codec
);
2967 pm_runtime_mark_last_busy(dev
);
2971 #endif /* CONFIG_PM */
2973 #ifdef CONFIG_PM_SLEEP
2974 static int hda_codec_pm_prepare(struct device
*dev
)
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 (pm_runtime_suspended(dev
) && (codec
->jackpoll_interval
||
2984 hda_codec_need_resume(codec
) || codec
->forced_resume
))
2985 pm_request_resume(dev
);
2988 static int hda_codec_pm_suspend(struct device
*dev
)
2990 dev
->power
.power_state
= PMSG_SUSPEND
;
2991 return pm_runtime_force_suspend(dev
);
2994 static int hda_codec_pm_resume(struct device
*dev
)
2996 dev
->power
.power_state
= PMSG_RESUME
;
2997 return pm_runtime_force_resume(dev
);
3000 static int hda_codec_pm_freeze(struct device
*dev
)
3002 dev
->power
.power_state
= PMSG_FREEZE
;
3003 return pm_runtime_force_suspend(dev
);
3006 static int hda_codec_pm_thaw(struct device
*dev
)
3008 dev
->power
.power_state
= PMSG_THAW
;
3009 return pm_runtime_force_resume(dev
);
3012 static int hda_codec_pm_restore(struct device
*dev
)
3014 dev
->power
.power_state
= PMSG_RESTORE
;
3015 return pm_runtime_force_resume(dev
);
3017 #endif /* CONFIG_PM_SLEEP */
3019 /* referred in hda_bind.c */
3020 const struct dev_pm_ops hda_codec_driver_pm
= {
3021 #ifdef CONFIG_PM_SLEEP
3022 .prepare
= hda_codec_pm_prepare
,
3023 .complete
= hda_codec_pm_complete
,
3024 .suspend
= hda_codec_pm_suspend
,
3025 .resume
= hda_codec_pm_resume
,
3026 .freeze
= hda_codec_pm_freeze
,
3027 .thaw
= hda_codec_pm_thaw
,
3028 .poweroff
= hda_codec_pm_suspend
,
3029 .restore
= hda_codec_pm_restore
,
3030 #endif /* CONFIG_PM_SLEEP */
3031 SET_RUNTIME_PM_OPS(hda_codec_runtime_suspend
, hda_codec_runtime_resume
,
3036 * add standard channel maps if not specified
3038 static int add_std_chmaps(struct hda_codec
*codec
)
3040 struct hda_pcm
*pcm
;
3043 list_for_each_entry(pcm
, &codec
->pcm_list_head
, list
) {
3044 for (str
= 0; str
< 2; str
++) {
3045 struct hda_pcm_stream
*hinfo
= &pcm
->stream
[str
];
3046 struct snd_pcm_chmap
*chmap
;
3047 const struct snd_pcm_chmap_elem
*elem
;
3049 if (!pcm
->pcm
|| pcm
->own_chmap
|| !hinfo
->substreams
)
3051 elem
= hinfo
->chmap
? hinfo
->chmap
: snd_pcm_std_chmaps
;
3052 err
= snd_pcm_add_chmap_ctls(pcm
->pcm
, str
, elem
,
3053 hinfo
->channels_max
,
3057 chmap
->channel_mask
= SND_PCM_CHMAP_MASK_2468
;
3063 /* default channel maps for 2.1 speakers;
3064 * since HD-audio supports only stereo, odd number channels are omitted
3066 const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps
[] = {
3068 .map
= { SNDRV_CHMAP_FL
, SNDRV_CHMAP_FR
} },
3070 .map
= { SNDRV_CHMAP_FL
, SNDRV_CHMAP_FR
,
3071 SNDRV_CHMAP_LFE
, SNDRV_CHMAP_LFE
} },
3074 EXPORT_SYMBOL_GPL(snd_pcm_2_1_chmaps
);
3076 int snd_hda_codec_build_controls(struct hda_codec
*codec
)
3079 hda_exec_init_verbs(codec
);
3080 /* continue to initialize... */
3081 if (codec
->patch_ops
.init
)
3082 err
= codec
->patch_ops
.init(codec
);
3083 if (!err
&& codec
->patch_ops
.build_controls
)
3084 err
= codec
->patch_ops
.build_controls(codec
);
3088 /* we create chmaps here instead of build_pcms */
3089 err
= add_std_chmaps(codec
);
3093 if (codec
->jackpoll_interval
)
3094 hda_jackpoll_work(&codec
->jackpoll_work
.work
);
3096 snd_hda_jack_report_sync(codec
); /* call at the last init point */
3097 sync_power_up_states(codec
);
3100 EXPORT_SYMBOL_GPL(snd_hda_codec_build_controls
);
3105 static int hda_pcm_default_open_close(struct hda_pcm_stream
*hinfo
,
3106 struct hda_codec
*codec
,
3107 struct snd_pcm_substream
*substream
)
3112 static int hda_pcm_default_prepare(struct hda_pcm_stream
*hinfo
,
3113 struct hda_codec
*codec
,
3114 unsigned int stream_tag
,
3115 unsigned int format
,
3116 struct snd_pcm_substream
*substream
)
3118 snd_hda_codec_setup_stream(codec
, hinfo
->nid
, stream_tag
, 0, format
);
3122 static int hda_pcm_default_cleanup(struct hda_pcm_stream
*hinfo
,
3123 struct hda_codec
*codec
,
3124 struct snd_pcm_substream
*substream
)
3126 snd_hda_codec_cleanup_stream(codec
, hinfo
->nid
);
3130 static int set_pcm_default_values(struct hda_codec
*codec
,
3131 struct hda_pcm_stream
*info
)
3135 /* query support PCM information from the given NID */
3136 if (info
->nid
&& (!info
->rates
|| !info
->formats
)) {
3137 err
= snd_hda_query_supported_pcm(codec
, info
->nid
,
3138 info
->rates
? NULL
: &info
->rates
,
3139 info
->formats
? NULL
: &info
->formats
,
3140 info
->maxbps
? NULL
: &info
->maxbps
);
3144 if (info
->ops
.open
== NULL
)
3145 info
->ops
.open
= hda_pcm_default_open_close
;
3146 if (info
->ops
.close
== NULL
)
3147 info
->ops
.close
= hda_pcm_default_open_close
;
3148 if (info
->ops
.prepare
== NULL
) {
3149 if (snd_BUG_ON(!info
->nid
))
3151 info
->ops
.prepare
= hda_pcm_default_prepare
;
3153 if (info
->ops
.cleanup
== NULL
) {
3154 if (snd_BUG_ON(!info
->nid
))
3156 info
->ops
.cleanup
= hda_pcm_default_cleanup
;
3162 * codec prepare/cleanup entries
3165 * snd_hda_codec_prepare - Prepare a stream
3166 * @codec: the HDA codec
3167 * @hinfo: PCM information
3168 * @stream: stream tag to assign
3169 * @format: format id to assign
3170 * @substream: PCM substream to assign
3172 * Calls the prepare callback set by the codec with the given arguments.
3173 * Clean up the inactive streams when successful.
3175 int snd_hda_codec_prepare(struct hda_codec
*codec
,
3176 struct hda_pcm_stream
*hinfo
,
3177 unsigned int stream
,
3178 unsigned int format
,
3179 struct snd_pcm_substream
*substream
)
3182 mutex_lock(&codec
->bus
->prepare_mutex
);
3183 if (hinfo
->ops
.prepare
)
3184 ret
= hinfo
->ops
.prepare(hinfo
, codec
, stream
, format
,
3189 purify_inactive_streams(codec
);
3190 mutex_unlock(&codec
->bus
->prepare_mutex
);
3193 EXPORT_SYMBOL_GPL(snd_hda_codec_prepare
);
3196 * snd_hda_codec_cleanup - Clean up stream resources
3197 * @codec: the HDA codec
3198 * @hinfo: PCM information
3199 * @substream: PCM substream
3201 * Calls the cleanup callback set by the codec with the given arguments.
3203 void snd_hda_codec_cleanup(struct hda_codec
*codec
,
3204 struct hda_pcm_stream
*hinfo
,
3205 struct snd_pcm_substream
*substream
)
3207 mutex_lock(&codec
->bus
->prepare_mutex
);
3208 if (hinfo
->ops
.cleanup
)
3209 hinfo
->ops
.cleanup(hinfo
, codec
, substream
);
3210 mutex_unlock(&codec
->bus
->prepare_mutex
);
3212 EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup
);
3215 const char *snd_hda_pcm_type_name
[HDA_PCM_NTYPES
] = {
3216 "Audio", "SPDIF", "HDMI", "Modem"
3220 * get the empty PCM device number to assign
3222 static int get_empty_pcm_device(struct hda_bus
*bus
, unsigned int type
)
3224 /* audio device indices; not linear to keep compatibility */
3225 /* assigned to static slots up to dev#10; if more needed, assign
3226 * the later slot dynamically (when CONFIG_SND_DYNAMIC_MINORS=y)
3228 static const int audio_idx
[HDA_PCM_NTYPES
][5] = {
3229 [HDA_PCM_TYPE_AUDIO
] = { 0, 2, 4, 5, -1 },
3230 [HDA_PCM_TYPE_SPDIF
] = { 1, -1 },
3231 [HDA_PCM_TYPE_HDMI
] = { 3, 7, 8, 9, -1 },
3232 [HDA_PCM_TYPE_MODEM
] = { 6, -1 },
3236 if (type
>= HDA_PCM_NTYPES
) {
3237 dev_err(bus
->card
->dev
, "Invalid PCM type %d\n", type
);
3241 for (i
= 0; audio_idx
[type
][i
] >= 0; i
++) {
3242 #ifndef CONFIG_SND_DYNAMIC_MINORS
3243 if (audio_idx
[type
][i
] >= 8)
3246 if (!test_and_set_bit(audio_idx
[type
][i
], bus
->pcm_dev_bits
))
3247 return audio_idx
[type
][i
];
3250 #ifdef CONFIG_SND_DYNAMIC_MINORS
3251 /* non-fixed slots starting from 10 */
3252 for (i
= 10; i
< 32; i
++) {
3253 if (!test_and_set_bit(i
, bus
->pcm_dev_bits
))
3258 dev_warn(bus
->card
->dev
, "Too many %s devices\n",
3259 snd_hda_pcm_type_name
[type
]);
3260 #ifndef CONFIG_SND_DYNAMIC_MINORS
3261 dev_warn(bus
->card
->dev
,
3262 "Consider building the kernel with CONFIG_SND_DYNAMIC_MINORS=y\n");
3267 /* call build_pcms ops of the given codec and set up the default parameters */
3268 int snd_hda_codec_parse_pcms(struct hda_codec
*codec
)
3270 struct hda_pcm
*cpcm
;
3273 if (!list_empty(&codec
->pcm_list_head
))
3274 return 0; /* already parsed */
3276 if (!codec
->patch_ops
.build_pcms
)
3279 err
= codec
->patch_ops
.build_pcms(codec
);
3281 codec_err(codec
, "cannot build PCMs for #%d (error %d)\n",
3282 codec
->core
.addr
, err
);
3286 list_for_each_entry(cpcm
, &codec
->pcm_list_head
, list
) {
3289 for (stream
= 0; stream
< 2; stream
++) {
3290 struct hda_pcm_stream
*info
= &cpcm
->stream
[stream
];
3292 if (!info
->substreams
)
3294 err
= set_pcm_default_values(codec
, info
);
3297 "fail to setup default for PCM %s\n",
3306 EXPORT_SYMBOL_GPL(snd_hda_codec_parse_pcms
);
3308 /* assign all PCMs of the given codec */
3309 int snd_hda_codec_build_pcms(struct hda_codec
*codec
)
3311 struct hda_bus
*bus
= codec
->bus
;
3312 struct hda_pcm
*cpcm
;
3315 err
= snd_hda_codec_parse_pcms(codec
);
3319 /* attach a new PCM streams */
3320 list_for_each_entry(cpcm
, &codec
->pcm_list_head
, list
) {
3322 continue; /* already attached */
3323 if (!cpcm
->stream
[0].substreams
&& !cpcm
->stream
[1].substreams
)
3324 continue; /* no substreams assigned */
3326 dev
= get_empty_pcm_device(bus
, cpcm
->pcm_type
);
3328 cpcm
->device
= SNDRV_PCM_INVALID_DEVICE
;
3329 continue; /* no fatal error */
3332 err
= snd_hda_attach_pcm_stream(bus
, codec
, cpcm
);
3335 "cannot attach PCM stream %d for codec #%d\n",
3336 dev
, codec
->core
.addr
);
3337 continue; /* no fatal error */
3345 * snd_hda_add_new_ctls - create controls from the array
3346 * @codec: the HDA codec
3347 * @knew: the array of struct snd_kcontrol_new
3349 * This helper function creates and add new controls in the given array.
3350 * The array must be terminated with an empty entry as terminator.
3352 * Returns 0 if successful, or a negative error code.
3354 int snd_hda_add_new_ctls(struct hda_codec
*codec
,
3355 const struct snd_kcontrol_new
*knew
)
3359 for (; knew
->name
; knew
++) {
3360 struct snd_kcontrol
*kctl
;
3361 int addr
= 0, idx
= 0;
3362 if (knew
->iface
== (__force snd_ctl_elem_iface_t
)-1)
3363 continue; /* skip this codec private value */
3365 kctl
= snd_ctl_new1(knew
, codec
);
3369 kctl
->id
.device
= addr
;
3371 kctl
->id
.index
= idx
;
3372 err
= snd_hda_ctl_add(codec
, 0, kctl
);
3375 /* try first with another device index corresponding to
3376 * the codec addr; if it still fails (or it's the
3377 * primary codec), then try another control index
3379 if (!addr
&& codec
->core
.addr
)
3380 addr
= codec
->core
.addr
;
3381 else if (!idx
&& !knew
->index
) {
3382 idx
= find_empty_mixer_ctl_idx(codec
,
3392 EXPORT_SYMBOL_GPL(snd_hda_add_new_ctls
);
3395 static void codec_set_power_save(struct hda_codec
*codec
, int delay
)
3397 struct device
*dev
= hda_codec_dev(codec
);
3399 if (delay
== 0 && codec
->auto_runtime_pm
)
3403 pm_runtime_set_autosuspend_delay(dev
, delay
);
3404 pm_runtime_use_autosuspend(dev
);
3405 pm_runtime_allow(dev
);
3406 if (!pm_runtime_suspended(dev
))
3407 pm_runtime_mark_last_busy(dev
);
3409 pm_runtime_dont_use_autosuspend(dev
);
3410 pm_runtime_forbid(dev
);
3415 * snd_hda_set_power_save - reprogram autosuspend for the given delay
3416 * @bus: HD-audio bus
3417 * @delay: autosuspend delay in msec, 0 = off
3419 * Synchronize the runtime PM autosuspend state from the power_save option.
3421 void snd_hda_set_power_save(struct hda_bus
*bus
, int delay
)
3423 struct hda_codec
*c
;
3425 list_for_each_codec(c
, bus
)
3426 codec_set_power_save(c
, delay
);
3428 EXPORT_SYMBOL_GPL(snd_hda_set_power_save
);
3431 * snd_hda_check_amp_list_power - Check the amp list and update the power
3432 * @codec: HD-audio codec
3433 * @check: the object containing an AMP list and the status
3434 * @nid: NID to check / update
3436 * Check whether the given NID is in the amp list. If it's in the list,
3437 * check the current AMP status, and update the power-status according
3438 * to the mute status.
3440 * This function is supposed to be set or called from the check_power_status
3443 int snd_hda_check_amp_list_power(struct hda_codec
*codec
,
3444 struct hda_loopback_check
*check
,
3447 const struct hda_amp_list
*p
;
3450 if (!check
->amplist
)
3452 for (p
= check
->amplist
; p
->nid
; p
++) {
3457 return 0; /* nothing changed */
3459 for (p
= check
->amplist
; p
->nid
; p
++) {
3460 for (ch
= 0; ch
< 2; ch
++) {
3461 v
= snd_hda_codec_amp_read(codec
, p
->nid
, ch
, p
->dir
,
3463 if (!(v
& HDA_AMP_MUTE
) && v
> 0) {
3464 if (!check
->power_on
) {
3465 check
->power_on
= 1;
3466 snd_hda_power_up_pm(codec
);
3472 if (check
->power_on
) {
3473 check
->power_on
= 0;
3474 snd_hda_power_down_pm(codec
);
3478 EXPORT_SYMBOL_GPL(snd_hda_check_amp_list_power
);
3486 * snd_hda_input_mux_info_info - Info callback helper for the input-mux enum
3487 * @imux: imux helper object
3488 * @uinfo: pointer to get/store the data
3490 int snd_hda_input_mux_info(const struct hda_input_mux
*imux
,
3491 struct snd_ctl_elem_info
*uinfo
)
3495 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_ENUMERATED
;
3497 uinfo
->value
.enumerated
.items
= imux
->num_items
;
3498 if (!imux
->num_items
)
3500 index
= uinfo
->value
.enumerated
.item
;
3501 if (index
>= imux
->num_items
)
3502 index
= imux
->num_items
- 1;
3503 strcpy(uinfo
->value
.enumerated
.name
, imux
->items
[index
].label
);
3506 EXPORT_SYMBOL_GPL(snd_hda_input_mux_info
);
3509 * snd_hda_input_mux_info_put - Put callback helper for the input-mux enum
3510 * @codec: the HDA codec
3511 * @imux: imux helper object
3512 * @ucontrol: pointer to get/store the data
3513 * @nid: input mux NID
3514 * @cur_val: pointer to get/store the current imux value
3516 int snd_hda_input_mux_put(struct hda_codec
*codec
,
3517 const struct hda_input_mux
*imux
,
3518 struct snd_ctl_elem_value
*ucontrol
,
3520 unsigned int *cur_val
)
3524 if (!imux
->num_items
)
3526 idx
= ucontrol
->value
.enumerated
.item
[0];
3527 if (idx
>= imux
->num_items
)
3528 idx
= imux
->num_items
- 1;
3529 if (*cur_val
== idx
)
3531 snd_hda_codec_write_cache(codec
, nid
, 0, AC_VERB_SET_CONNECT_SEL
,
3532 imux
->items
[idx
].index
);
3536 EXPORT_SYMBOL_GPL(snd_hda_input_mux_put
);
3540 * snd_hda_enum_helper_info - Helper for simple enum ctls
3541 * @kcontrol: ctl element
3542 * @uinfo: pointer to get/store the data
3543 * @num_items: number of enum items
3544 * @texts: enum item string array
3546 * process kcontrol info callback of a simple string enum array
3547 * when @num_items is 0 or @texts is NULL, assume a boolean enum array
3549 int snd_hda_enum_helper_info(struct snd_kcontrol
*kcontrol
,
3550 struct snd_ctl_elem_info
*uinfo
,
3551 int num_items
, const char * const *texts
)
3553 static const char * const texts_default
[] = {
3554 "Disabled", "Enabled"
3557 if (!texts
|| !num_items
) {
3559 texts
= texts_default
;
3562 return snd_ctl_enum_info(uinfo
, 1, num_items
, texts
);
3564 EXPORT_SYMBOL_GPL(snd_hda_enum_helper_info
);
3567 * Multi-channel / digital-out PCM helper functions
3570 /* setup SPDIF output stream */
3571 static void setup_dig_out_stream(struct hda_codec
*codec
, hda_nid_t nid
,
3572 unsigned int stream_tag
, unsigned int format
)
3574 struct hda_spdif_out
*spdif
;
3575 unsigned int curr_fmt
;
3578 spdif
= snd_hda_spdif_out_of_nid(codec
, nid
);
3579 /* Add sanity check to pass klockwork check.
3580 * This should never happen.
3582 if (WARN_ON(spdif
== NULL
))
3585 curr_fmt
= snd_hda_codec_read(codec
, nid
, 0,
3586 AC_VERB_GET_STREAM_FORMAT
, 0);
3587 reset
= codec
->spdif_status_reset
&&
3588 (spdif
->ctls
& AC_DIG1_ENABLE
) &&
3591 /* turn off SPDIF if needed; otherwise the IEC958 bits won't be
3594 set_dig_out_convert(codec
, nid
,
3595 spdif
->ctls
& ~AC_DIG1_ENABLE
& 0xff,
3597 snd_hda_codec_setup_stream(codec
, nid
, stream_tag
, 0, format
);
3598 if (codec
->follower_dig_outs
) {
3600 for (d
= codec
->follower_dig_outs
; *d
; d
++)
3601 snd_hda_codec_setup_stream(codec
, *d
, stream_tag
, 0,
3604 /* turn on again (if needed) */
3606 set_dig_out_convert(codec
, nid
,
3607 spdif
->ctls
& 0xff, -1);
3610 static void cleanup_dig_out_stream(struct hda_codec
*codec
, hda_nid_t nid
)
3612 snd_hda_codec_cleanup_stream(codec
, nid
);
3613 if (codec
->follower_dig_outs
) {
3615 for (d
= codec
->follower_dig_outs
; *d
; d
++)
3616 snd_hda_codec_cleanup_stream(codec
, *d
);
3621 * snd_hda_multi_out_dig_open - open the digital out in the exclusive mode
3622 * @codec: the HDA codec
3623 * @mout: hda_multi_out object
3625 int snd_hda_multi_out_dig_open(struct hda_codec
*codec
,
3626 struct hda_multi_out
*mout
)
3628 mutex_lock(&codec
->spdif_mutex
);
3629 if (mout
->dig_out_used
== HDA_DIG_ANALOG_DUP
)
3630 /* already opened as analog dup; reset it once */
3631 cleanup_dig_out_stream(codec
, mout
->dig_out_nid
);
3632 mout
->dig_out_used
= HDA_DIG_EXCLUSIVE
;
3633 mutex_unlock(&codec
->spdif_mutex
);
3636 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_open
);
3639 * snd_hda_multi_out_dig_prepare - prepare the digital out stream
3640 * @codec: the HDA codec
3641 * @mout: hda_multi_out object
3642 * @stream_tag: stream tag to assign
3643 * @format: format id to assign
3644 * @substream: PCM substream to assign
3646 int snd_hda_multi_out_dig_prepare(struct hda_codec
*codec
,
3647 struct hda_multi_out
*mout
,
3648 unsigned int stream_tag
,
3649 unsigned int format
,
3650 struct snd_pcm_substream
*substream
)
3652 mutex_lock(&codec
->spdif_mutex
);
3653 setup_dig_out_stream(codec
, mout
->dig_out_nid
, stream_tag
, format
);
3654 mutex_unlock(&codec
->spdif_mutex
);
3657 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_prepare
);
3660 * snd_hda_multi_out_dig_cleanup - clean-up the digital out stream
3661 * @codec: the HDA codec
3662 * @mout: hda_multi_out object
3664 int snd_hda_multi_out_dig_cleanup(struct hda_codec
*codec
,
3665 struct hda_multi_out
*mout
)
3667 mutex_lock(&codec
->spdif_mutex
);
3668 cleanup_dig_out_stream(codec
, mout
->dig_out_nid
);
3669 mutex_unlock(&codec
->spdif_mutex
);
3672 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_cleanup
);
3675 * snd_hda_multi_out_dig_close - release the digital out stream
3676 * @codec: the HDA codec
3677 * @mout: hda_multi_out object
3679 int snd_hda_multi_out_dig_close(struct hda_codec
*codec
,
3680 struct hda_multi_out
*mout
)
3682 mutex_lock(&codec
->spdif_mutex
);
3683 mout
->dig_out_used
= 0;
3684 mutex_unlock(&codec
->spdif_mutex
);
3687 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_close
);
3690 * snd_hda_multi_out_analog_open - open analog outputs
3691 * @codec: the HDA codec
3692 * @mout: hda_multi_out object
3693 * @substream: PCM substream to assign
3694 * @hinfo: PCM information to assign
3696 * Open analog outputs and set up the hw-constraints.
3697 * If the digital outputs can be opened as follower, open the digital
3700 int snd_hda_multi_out_analog_open(struct hda_codec
*codec
,
3701 struct hda_multi_out
*mout
,
3702 struct snd_pcm_substream
*substream
,
3703 struct hda_pcm_stream
*hinfo
)
3705 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
3706 runtime
->hw
.channels_max
= mout
->max_channels
;
3707 if (mout
->dig_out_nid
) {
3708 if (!mout
->analog_rates
) {
3709 mout
->analog_rates
= hinfo
->rates
;
3710 mout
->analog_formats
= hinfo
->formats
;
3711 mout
->analog_maxbps
= hinfo
->maxbps
;
3713 runtime
->hw
.rates
= mout
->analog_rates
;
3714 runtime
->hw
.formats
= mout
->analog_formats
;
3715 hinfo
->maxbps
= mout
->analog_maxbps
;
3717 if (!mout
->spdif_rates
) {
3718 snd_hda_query_supported_pcm(codec
, mout
->dig_out_nid
,
3720 &mout
->spdif_formats
,
3721 &mout
->spdif_maxbps
);
3723 mutex_lock(&codec
->spdif_mutex
);
3724 if (mout
->share_spdif
) {
3725 if ((runtime
->hw
.rates
& mout
->spdif_rates
) &&
3726 (runtime
->hw
.formats
& mout
->spdif_formats
)) {
3727 runtime
->hw
.rates
&= mout
->spdif_rates
;
3728 runtime
->hw
.formats
&= mout
->spdif_formats
;
3729 if (mout
->spdif_maxbps
< hinfo
->maxbps
)
3730 hinfo
->maxbps
= mout
->spdif_maxbps
;
3732 mout
->share_spdif
= 0;
3733 /* FIXME: need notify? */
3736 mutex_unlock(&codec
->spdif_mutex
);
3738 return snd_pcm_hw_constraint_step(substream
->runtime
, 0,
3739 SNDRV_PCM_HW_PARAM_CHANNELS
, 2);
3741 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_open
);
3744 * snd_hda_multi_out_analog_prepare - Preapre the analog outputs.
3745 * @codec: the HDA codec
3746 * @mout: hda_multi_out object
3747 * @stream_tag: stream tag to assign
3748 * @format: format id to assign
3749 * @substream: PCM substream to assign
3751 * Set up the i/o for analog out.
3752 * When the digital out is available, copy the front out to digital out, too.
3754 int snd_hda_multi_out_analog_prepare(struct hda_codec
*codec
,
3755 struct hda_multi_out
*mout
,
3756 unsigned int stream_tag
,
3757 unsigned int format
,
3758 struct snd_pcm_substream
*substream
)
3760 const hda_nid_t
*nids
= mout
->dac_nids
;
3761 int chs
= substream
->runtime
->channels
;
3762 struct hda_spdif_out
*spdif
;
3765 mutex_lock(&codec
->spdif_mutex
);
3766 spdif
= snd_hda_spdif_out_of_nid(codec
, mout
->dig_out_nid
);
3767 if (mout
->dig_out_nid
&& mout
->share_spdif
&&
3768 mout
->dig_out_used
!= HDA_DIG_EXCLUSIVE
) {
3769 if (chs
== 2 && spdif
!= NULL
&&
3770 snd_hda_is_supported_format(codec
, mout
->dig_out_nid
,
3772 !(spdif
->status
& IEC958_AES0_NONAUDIO
)) {
3773 mout
->dig_out_used
= HDA_DIG_ANALOG_DUP
;
3774 setup_dig_out_stream(codec
, mout
->dig_out_nid
,
3775 stream_tag
, format
);
3777 mout
->dig_out_used
= 0;
3778 cleanup_dig_out_stream(codec
, mout
->dig_out_nid
);
3781 mutex_unlock(&codec
->spdif_mutex
);
3784 snd_hda_codec_setup_stream(codec
, nids
[HDA_FRONT
], stream_tag
,
3786 if (!mout
->no_share_stream
&&
3787 mout
->hp_nid
&& mout
->hp_nid
!= nids
[HDA_FRONT
])
3788 /* headphone out will just decode front left/right (stereo) */
3789 snd_hda_codec_setup_stream(codec
, mout
->hp_nid
, stream_tag
,
3791 /* extra outputs copied from front */
3792 for (i
= 0; i
< ARRAY_SIZE(mout
->hp_out_nid
); i
++)
3793 if (!mout
->no_share_stream
&& mout
->hp_out_nid
[i
])
3794 snd_hda_codec_setup_stream(codec
,
3795 mout
->hp_out_nid
[i
],
3796 stream_tag
, 0, format
);
3799 for (i
= 1; i
< mout
->num_dacs
; i
++) {
3800 if (chs
>= (i
+ 1) * 2) /* independent out */
3801 snd_hda_codec_setup_stream(codec
, nids
[i
], stream_tag
,
3803 else if (!mout
->no_share_stream
) /* copy front */
3804 snd_hda_codec_setup_stream(codec
, nids
[i
], stream_tag
,
3808 /* extra surrounds */
3809 for (i
= 0; i
< ARRAY_SIZE(mout
->extra_out_nid
); i
++) {
3811 if (!mout
->extra_out_nid
[i
])
3813 if (chs
>= (i
+ 1) * 2)
3815 else if (!mout
->no_share_stream
)
3817 snd_hda_codec_setup_stream(codec
, mout
->extra_out_nid
[i
],
3818 stream_tag
, ch
, format
);
3823 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_prepare
);
3826 * snd_hda_multi_out_analog_cleanup - clean up the setting for analog out
3827 * @codec: the HDA codec
3828 * @mout: hda_multi_out object
3830 int snd_hda_multi_out_analog_cleanup(struct hda_codec
*codec
,
3831 struct hda_multi_out
*mout
)
3833 const hda_nid_t
*nids
= mout
->dac_nids
;
3836 for (i
= 0; i
< mout
->num_dacs
; i
++)
3837 snd_hda_codec_cleanup_stream(codec
, nids
[i
]);
3839 snd_hda_codec_cleanup_stream(codec
, mout
->hp_nid
);
3840 for (i
= 0; i
< ARRAY_SIZE(mout
->hp_out_nid
); i
++)
3841 if (mout
->hp_out_nid
[i
])
3842 snd_hda_codec_cleanup_stream(codec
,
3843 mout
->hp_out_nid
[i
]);
3844 for (i
= 0; i
< ARRAY_SIZE(mout
->extra_out_nid
); i
++)
3845 if (mout
->extra_out_nid
[i
])
3846 snd_hda_codec_cleanup_stream(codec
,
3847 mout
->extra_out_nid
[i
]);
3848 mutex_lock(&codec
->spdif_mutex
);
3849 if (mout
->dig_out_nid
&& mout
->dig_out_used
== HDA_DIG_ANALOG_DUP
) {
3850 cleanup_dig_out_stream(codec
, mout
->dig_out_nid
);
3851 mout
->dig_out_used
= 0;
3853 mutex_unlock(&codec
->spdif_mutex
);
3856 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_cleanup
);
3859 * snd_hda_get_default_vref - Get the default (mic) VREF pin bits
3860 * @codec: the HDA codec
3861 * @pin: referred pin NID
3863 * Guess the suitable VREF pin bits to be set as the pin-control value.
3864 * Note: the function doesn't set the AC_PINCTL_IN_EN bit.
3866 unsigned int snd_hda_get_default_vref(struct hda_codec
*codec
, hda_nid_t pin
)
3868 unsigned int pincap
;
3869 unsigned int oldval
;
3870 oldval
= snd_hda_codec_read(codec
, pin
, 0,
3871 AC_VERB_GET_PIN_WIDGET_CONTROL
, 0);
3872 pincap
= snd_hda_query_pin_caps(codec
, pin
);
3873 pincap
= (pincap
& AC_PINCAP_VREF
) >> AC_PINCAP_VREF_SHIFT
;
3874 /* Exception: if the default pin setup is vref50, we give it priority */
3875 if ((pincap
& AC_PINCAP_VREF_80
) && oldval
!= PIN_VREF50
)
3876 return AC_PINCTL_VREF_80
;
3877 else if (pincap
& AC_PINCAP_VREF_50
)
3878 return AC_PINCTL_VREF_50
;
3879 else if (pincap
& AC_PINCAP_VREF_100
)
3880 return AC_PINCTL_VREF_100
;
3881 else if (pincap
& AC_PINCAP_VREF_GRD
)
3882 return AC_PINCTL_VREF_GRD
;
3883 return AC_PINCTL_VREF_HIZ
;
3885 EXPORT_SYMBOL_GPL(snd_hda_get_default_vref
);
3888 * snd_hda_correct_pin_ctl - correct the pin ctl value for matching with the pin cap
3889 * @codec: the HDA codec
3890 * @pin: referred pin NID
3891 * @val: pin ctl value to audit
3893 unsigned int snd_hda_correct_pin_ctl(struct hda_codec
*codec
,
3894 hda_nid_t pin
, unsigned int val
)
3896 static const unsigned int cap_lists
[][2] = {
3897 { AC_PINCTL_VREF_100
, AC_PINCAP_VREF_100
},
3898 { AC_PINCTL_VREF_80
, AC_PINCAP_VREF_80
},
3899 { AC_PINCTL_VREF_50
, AC_PINCAP_VREF_50
},
3900 { AC_PINCTL_VREF_GRD
, AC_PINCAP_VREF_GRD
},
3906 cap
= snd_hda_query_pin_caps(codec
, pin
);
3908 return val
; /* don't know what to do... */
3910 if (val
& AC_PINCTL_OUT_EN
) {
3911 if (!(cap
& AC_PINCAP_OUT
))
3912 val
&= ~(AC_PINCTL_OUT_EN
| AC_PINCTL_HP_EN
);
3913 else if ((val
& AC_PINCTL_HP_EN
) && !(cap
& AC_PINCAP_HP_DRV
))
3914 val
&= ~AC_PINCTL_HP_EN
;
3917 if (val
& AC_PINCTL_IN_EN
) {
3918 if (!(cap
& AC_PINCAP_IN
))
3919 val
&= ~(AC_PINCTL_IN_EN
| AC_PINCTL_VREFEN
);
3921 unsigned int vcap
, vref
;
3923 vcap
= (cap
& AC_PINCAP_VREF
) >> AC_PINCAP_VREF_SHIFT
;
3924 vref
= val
& AC_PINCTL_VREFEN
;
3925 for (i
= 0; i
< ARRAY_SIZE(cap_lists
); i
++) {
3926 if (vref
== cap_lists
[i
][0] &&
3927 !(vcap
& cap_lists
[i
][1])) {
3928 if (i
== ARRAY_SIZE(cap_lists
) - 1)
3929 vref
= AC_PINCTL_VREF_HIZ
;
3931 vref
= cap_lists
[i
+ 1][0];
3934 val
&= ~AC_PINCTL_VREFEN
;
3941 EXPORT_SYMBOL_GPL(snd_hda_correct_pin_ctl
);
3944 * _snd_hda_pin_ctl - Helper to set pin ctl value
3945 * @codec: the HDA codec
3946 * @pin: referred pin NID
3947 * @val: pin control value to set
3948 * @cached: access over codec pinctl cache or direct write
3950 * This function is a helper to set a pin ctl value more safely.
3951 * It corrects the pin ctl value via snd_hda_correct_pin_ctl(), stores the
3952 * value in pin target array via snd_hda_codec_set_pin_target(), then
3953 * actually writes the value via either snd_hda_codec_write_cache() or
3954 * snd_hda_codec_write() depending on @cached flag.
3956 int _snd_hda_set_pin_ctl(struct hda_codec
*codec
, hda_nid_t pin
,
3957 unsigned int val
, bool cached
)
3959 val
= snd_hda_correct_pin_ctl(codec
, pin
, val
);
3960 snd_hda_codec_set_pin_target(codec
, pin
, val
);
3962 return snd_hda_codec_write_cache(codec
, pin
, 0,
3963 AC_VERB_SET_PIN_WIDGET_CONTROL
, val
);
3965 return snd_hda_codec_write(codec
, pin
, 0,
3966 AC_VERB_SET_PIN_WIDGET_CONTROL
, val
);
3968 EXPORT_SYMBOL_GPL(_snd_hda_set_pin_ctl
);
3971 * snd_hda_add_imux_item - Add an item to input_mux
3972 * @codec: the HDA codec
3973 * @imux: imux helper object
3974 * @label: the name of imux item to assign
3975 * @index: index number of imux item to assign
3976 * @type_idx: pointer to store the resultant label index
3978 * When the same label is used already in the existing items, the number
3979 * suffix is appended to the label. This label index number is stored
3980 * to type_idx when non-NULL pointer is given.
3982 int snd_hda_add_imux_item(struct hda_codec
*codec
,
3983 struct hda_input_mux
*imux
, const char *label
,
3984 int index
, int *type_idx
)
3986 int i
, label_idx
= 0;
3987 if (imux
->num_items
>= HDA_MAX_NUM_INPUTS
) {
3988 codec_err(codec
, "hda_codec: Too many imux items!\n");
3991 for (i
= 0; i
< imux
->num_items
; i
++) {
3992 if (!strncmp(label
, imux
->items
[i
].label
, strlen(label
)))
3996 *type_idx
= label_idx
;
3998 snprintf(imux
->items
[imux
->num_items
].label
,
3999 sizeof(imux
->items
[imux
->num_items
].label
),
4000 "%s %d", label
, label_idx
);
4002 strlcpy(imux
->items
[imux
->num_items
].label
, label
,
4003 sizeof(imux
->items
[imux
->num_items
].label
));
4004 imux
->items
[imux
->num_items
].index
= index
;
4008 EXPORT_SYMBOL_GPL(snd_hda_add_imux_item
);
4011 * snd_hda_bus_reset_codecs - Reset the bus
4012 * @bus: HD-audio bus
4014 void snd_hda_bus_reset_codecs(struct hda_bus
*bus
)
4016 struct hda_codec
*codec
;
4018 list_for_each_codec(codec
, bus
) {
4019 /* FIXME: maybe a better way needed for forced reset */
4020 if (current_work() != &codec
->jackpoll_work
.work
)
4021 cancel_delayed_work_sync(&codec
->jackpoll_work
);
4023 if (hda_codec_is_power_on(codec
)) {
4024 hda_call_codec_suspend(codec
);
4025 hda_call_codec_resume(codec
);
4032 * snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer
4033 * @pcm: PCM caps bits
4034 * @buf: the string buffer to write
4035 * @buflen: the max buffer length
4037 * used by hda_proc.c and hda_eld.c
4039 void snd_print_pcm_bits(int pcm
, char *buf
, int buflen
)
4041 static const unsigned int bits
[] = { 8, 16, 20, 24, 32 };
4044 for (i
= 0, j
= 0; i
< ARRAY_SIZE(bits
); i
++)
4045 if (pcm
& (AC_SUPPCM_BITS_8
<< i
))
4046 j
+= scnprintf(buf
+ j
, buflen
- j
, " %d", bits
[i
]);
4048 buf
[j
] = '\0'; /* necessary when j == 0 */
4050 EXPORT_SYMBOL_GPL(snd_print_pcm_bits
);
4052 MODULE_DESCRIPTION("HDA codec core");
4053 MODULE_LICENSE("GPL");