2 * Universal Interface for Intel High Definition Audio Codec
4 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
7 * This driver is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This driver is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include <linux/init.h>
23 #include <linux/delay.h>
24 #include <linux/slab.h>
25 #include <linux/mutex.h>
26 #include <linux/module.h>
28 #include <linux/pm_runtime.h>
29 #include <sound/core.h>
30 #include <sound/hda_codec.h>
31 #include <sound/asoundef.h>
32 #include <sound/tlv.h>
33 #include <sound/initval.h>
34 #include <sound/jack.h>
35 #include "hda_local.h"
38 #include <sound/hda_hwdep.h>
39 #include <sound/hda_component.h>
41 #define codec_in_pm(codec) snd_hdac_is_in_pm(&codec->core)
42 #define hda_codec_is_power_on(codec) snd_hdac_is_power_on(&codec->core)
43 #define codec_has_epss(codec) \
44 ((codec)->core.power_caps & AC_PWRST_EPSS)
45 #define codec_has_clkstop(codec) \
46 ((codec)->core.power_caps & AC_PWRST_CLKSTOP)
49 * Send and receive a verb - passed to exec_verb override for hdac_device
51 static int codec_exec_verb(struct hdac_device
*dev
, unsigned int cmd
,
52 unsigned int flags
, unsigned int *res
)
54 struct hda_codec
*codec
= container_of(dev
, struct hda_codec
, core
);
55 struct hda_bus
*bus
= codec
->bus
;
62 snd_hda_power_up_pm(codec
);
63 mutex_lock(&bus
->core
.cmd_mutex
);
64 if (flags
& HDA_RW_NO_RESPONSE_FALLBACK
)
65 bus
->no_response_fallback
= 1;
66 err
= snd_hdac_bus_exec_verb_unlocked(&bus
->core
, codec
->core
.addr
,
68 bus
->no_response_fallback
= 0;
69 mutex_unlock(&bus
->core
.cmd_mutex
);
70 snd_hda_power_down_pm(codec
);
71 if (!codec_in_pm(codec
) && res
&& err
== -EAGAIN
) {
72 if (bus
->response_reset
) {
74 "resetting BUS due to fatal communication error\n");
75 snd_hda_bus_reset(bus
);
79 /* clear reset-flag when the communication gets recovered */
80 if (!err
|| codec_in_pm(codec
))
81 bus
->response_reset
= 0;
86 * snd_hda_sequence_write - sequence writes
87 * @codec: the HDA codec
88 * @seq: VERB array to send
90 * Send the commands sequentially from the given array.
91 * The array must be terminated with NID=0.
93 void snd_hda_sequence_write(struct hda_codec
*codec
, const struct hda_verb
*seq
)
95 for (; seq
->nid
; seq
++)
96 snd_hda_codec_write(codec
, seq
->nid
, 0, seq
->verb
, seq
->param
);
98 EXPORT_SYMBOL_GPL(snd_hda_sequence_write
);
100 /* connection list element */
101 struct hda_conn_list
{
102 struct list_head list
;
108 /* look up the cached results */
109 static struct hda_conn_list
*
110 lookup_conn_list(struct hda_codec
*codec
, hda_nid_t nid
)
112 struct hda_conn_list
*p
;
113 list_for_each_entry(p
, &codec
->conn_list
, list
) {
120 static int add_conn_list(struct hda_codec
*codec
, hda_nid_t nid
, int len
,
121 const hda_nid_t
*list
)
123 struct hda_conn_list
*p
;
125 p
= kmalloc(sizeof(*p
) + len
* sizeof(hda_nid_t
), GFP_KERNEL
);
130 memcpy(p
->conns
, list
, len
* sizeof(hda_nid_t
));
131 list_add(&p
->list
, &codec
->conn_list
);
135 static void remove_conn_list(struct hda_codec
*codec
)
137 while (!list_empty(&codec
->conn_list
)) {
138 struct hda_conn_list
*p
;
139 p
= list_first_entry(&codec
->conn_list
, typeof(*p
), list
);
145 /* read the connection and add to the cache */
146 static int read_and_add_raw_conns(struct hda_codec
*codec
, hda_nid_t nid
)
149 hda_nid_t
*result
= list
;
152 len
= snd_hda_get_raw_connections(codec
, nid
, list
, ARRAY_SIZE(list
));
153 if (len
== -ENOSPC
) {
154 len
= snd_hda_get_num_raw_conns(codec
, nid
);
155 result
= kmalloc_array(len
, sizeof(hda_nid_t
), GFP_KERNEL
);
158 len
= snd_hda_get_raw_connections(codec
, nid
, result
, len
);
161 len
= snd_hda_override_conn_list(codec
, nid
, len
, result
);
168 * snd_hda_get_conn_list - get connection list
169 * @codec: the HDA codec
171 * @listp: the pointer to store NID list
173 * Parses the connection list of the given widget and stores the pointer
174 * to the list of NIDs.
176 * Returns the number of connections, or a negative error code.
178 * Note that the returned pointer isn't protected against the list
179 * modification. If snd_hda_override_conn_list() might be called
180 * concurrently, protect with a mutex appropriately.
182 int snd_hda_get_conn_list(struct hda_codec
*codec
, hda_nid_t nid
,
183 const hda_nid_t
**listp
)
189 const struct hda_conn_list
*p
;
191 /* if the connection-list is already cached, read it */
192 p
= lookup_conn_list(codec
, nid
);
198 if (snd_BUG_ON(added
))
201 err
= read_and_add_raw_conns(codec
, nid
);
207 EXPORT_SYMBOL_GPL(snd_hda_get_conn_list
);
210 * snd_hda_get_connections - copy connection list
211 * @codec: the HDA codec
213 * @conn_list: connection list array; when NULL, checks only the size
214 * @max_conns: max. number of connections to store
216 * Parses the connection list of the given widget and stores the list
219 * Returns the number of connections, or a negative error code.
221 int snd_hda_get_connections(struct hda_codec
*codec
, hda_nid_t nid
,
222 hda_nid_t
*conn_list
, int max_conns
)
224 const hda_nid_t
*list
;
225 int len
= snd_hda_get_conn_list(codec
, nid
, &list
);
227 if (len
> 0 && conn_list
) {
228 if (len
> max_conns
) {
229 codec_err(codec
, "Too many connections %d for NID 0x%x\n",
233 memcpy(conn_list
, list
, len
* sizeof(hda_nid_t
));
238 EXPORT_SYMBOL_GPL(snd_hda_get_connections
);
241 * snd_hda_override_conn_list - add/modify the connection-list to cache
242 * @codec: the HDA codec
244 * @len: number of connection list entries
245 * @list: the list of connection entries
247 * Add or modify the given connection-list to the cache. If the corresponding
248 * cache already exists, invalidate it and append a new one.
250 * Returns zero or a negative error code.
252 int snd_hda_override_conn_list(struct hda_codec
*codec
, hda_nid_t nid
, int len
,
253 const hda_nid_t
*list
)
255 struct hda_conn_list
*p
;
257 p
= lookup_conn_list(codec
, nid
);
263 return add_conn_list(codec
, nid
, len
, list
);
265 EXPORT_SYMBOL_GPL(snd_hda_override_conn_list
);
268 * snd_hda_get_conn_index - get the connection index of the given NID
269 * @codec: the HDA codec
270 * @mux: NID containing the list
271 * @nid: NID to select
272 * @recursive: 1 when searching NID recursively, otherwise 0
274 * Parses the connection list of the widget @mux and checks whether the
275 * widget @nid is present. If it is, return the connection index.
276 * Otherwise it returns -1.
278 int snd_hda_get_conn_index(struct hda_codec
*codec
, hda_nid_t mux
,
279 hda_nid_t nid
, int recursive
)
281 const hda_nid_t
*conn
;
284 nums
= snd_hda_get_conn_list(codec
, mux
, &conn
);
285 for (i
= 0; i
< nums
; i
++)
290 if (recursive
> 10) {
291 codec_dbg(codec
, "too deep connection for 0x%x\n", nid
);
295 for (i
= 0; i
< nums
; i
++) {
296 unsigned int type
= get_wcaps_type(get_wcaps(codec
, conn
[i
]));
297 if (type
== AC_WID_PIN
|| type
== AC_WID_AUD_OUT
)
299 if (snd_hda_get_conn_index(codec
, conn
[i
], nid
, recursive
) >= 0)
304 EXPORT_SYMBOL_GPL(snd_hda_get_conn_index
);
307 * snd_hda_get_num_devices - get DEVLIST_LEN parameter of the given widget
308 * @codec: the HDA codec
309 * @nid: NID of the pin to parse
311 * Get the device entry number on the given widget. This is a feature of
312 * DP MST audio. Each pin can have several device entries in it.
314 unsigned int snd_hda_get_num_devices(struct hda_codec
*codec
, hda_nid_t nid
)
316 unsigned int wcaps
= get_wcaps(codec
, nid
);
319 if (!codec
->dp_mst
|| !(wcaps
& AC_WCAP_DIGITAL
) ||
320 get_wcaps_type(wcaps
) != AC_WID_PIN
)
323 parm
= snd_hdac_read_parm_uncached(&codec
->core
, nid
, AC_PAR_DEVLIST_LEN
);
326 return parm
& AC_DEV_LIST_LEN_MASK
;
328 EXPORT_SYMBOL_GPL(snd_hda_get_num_devices
);
331 * snd_hda_get_devices - copy device list without cache
332 * @codec: the HDA codec
333 * @nid: NID of the pin to parse
334 * @dev_list: device list array
335 * @max_devices: max. number of devices to store
337 * Copy the device list. This info is dynamic and so not cached.
338 * Currently called only from hda_proc.c, so not exported.
340 int snd_hda_get_devices(struct hda_codec
*codec
, hda_nid_t nid
,
341 u8
*dev_list
, int max_devices
)
344 int i
, dev_len
, devices
;
346 parm
= snd_hda_get_num_devices(codec
, nid
);
347 if (!parm
) /* not multi-stream capable */
351 dev_len
= dev_len
< max_devices
? dev_len
: max_devices
;
354 while (devices
< dev_len
) {
355 if (snd_hdac_read(&codec
->core
, nid
,
356 AC_VERB_GET_DEVICE_LIST
, devices
, &parm
))
359 for (i
= 0; i
< 8; i
++) {
360 dev_list
[devices
] = (u8
)parm
;
363 if (devices
>= dev_len
)
371 * snd_hda_get_dev_select - get device entry select on the pin
372 * @codec: the HDA codec
373 * @nid: NID of the pin to get device entry select
375 * Get the devcie entry select on the pin. Return the device entry
376 * id selected on the pin. Return 0 means the first device entry
377 * is selected or MST is not supported.
379 int snd_hda_get_dev_select(struct hda_codec
*codec
, hda_nid_t nid
)
381 /* not support dp_mst will always return 0, using first dev_entry */
385 return snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_DEVICE_SEL
, 0);
387 EXPORT_SYMBOL_GPL(snd_hda_get_dev_select
);
390 * snd_hda_set_dev_select - set device entry select on the pin
391 * @codec: the HDA codec
392 * @nid: NID of the pin to set device entry select
393 * @dev_id: device entry id to be set
395 * Set the device entry select on the pin nid.
397 int snd_hda_set_dev_select(struct hda_codec
*codec
, hda_nid_t nid
, int dev_id
)
399 int ret
, num_devices
;
401 /* not support dp_mst will always return 0, using first dev_entry */
405 /* AC_PAR_DEVLIST_LEN is 0 based. */
406 num_devices
= snd_hda_get_num_devices(codec
, nid
) + 1;
407 /* If Device List Length is 0 (num_device = 1),
408 * the pin is not multi stream capable.
409 * Do nothing in this case.
411 if (num_devices
== 1)
414 /* Behavior of setting index being equal to or greater than
415 * Device List Length is not predictable
417 if (num_devices
<= dev_id
)
420 ret
= snd_hda_codec_write(codec
, nid
, 0,
421 AC_VERB_SET_DEVICE_SEL
, dev_id
);
425 EXPORT_SYMBOL_GPL(snd_hda_set_dev_select
);
428 * read widget caps for each widget and store in cache
430 static int read_widget_caps(struct hda_codec
*codec
, hda_nid_t fg_node
)
435 codec
->wcaps
= kmalloc_array(codec
->core
.num_nodes
, 4, GFP_KERNEL
);
438 nid
= codec
->core
.start_nid
;
439 for (i
= 0; i
< codec
->core
.num_nodes
; i
++, nid
++)
440 codec
->wcaps
[i
] = snd_hdac_read_parm_uncached(&codec
->core
,
441 nid
, AC_PAR_AUDIO_WIDGET_CAP
);
445 /* read all pin default configurations and save codec->init_pins */
446 static int read_pin_defaults(struct hda_codec
*codec
)
450 for_each_hda_codec_node(nid
, codec
) {
451 struct hda_pincfg
*pin
;
452 unsigned int wcaps
= get_wcaps(codec
, nid
);
453 unsigned int wid_type
= get_wcaps_type(wcaps
);
454 if (wid_type
!= AC_WID_PIN
)
456 pin
= snd_array_new(&codec
->init_pins
);
460 pin
->cfg
= snd_hda_codec_read(codec
, nid
, 0,
461 AC_VERB_GET_CONFIG_DEFAULT
, 0);
463 * all device entries are the same widget control so far
464 * fixme: if any codec is different, need fix here
466 pin
->ctrl
= snd_hda_codec_read(codec
, nid
, 0,
467 AC_VERB_GET_PIN_WIDGET_CONTROL
,
473 /* look up the given pin config list and return the item matching with NID */
474 static struct hda_pincfg
*look_up_pincfg(struct hda_codec
*codec
,
475 struct snd_array
*array
,
478 struct hda_pincfg
*pin
;
481 snd_array_for_each(array
, i
, pin
) {
488 /* set the current pin config value for the given NID.
489 * the value is cached, and read via snd_hda_codec_get_pincfg()
491 int snd_hda_add_pincfg(struct hda_codec
*codec
, struct snd_array
*list
,
492 hda_nid_t nid
, unsigned int cfg
)
494 struct hda_pincfg
*pin
;
496 /* the check below may be invalid when pins are added by a fixup
497 * dynamically (e.g. via snd_hda_codec_update_widgets()), so disabled
501 if (get_wcaps_type(get_wcaps(codec, nid)) != AC_WID_PIN)
505 pin
= look_up_pincfg(codec
, list
, nid
);
507 pin
= snd_array_new(list
);
517 * snd_hda_codec_set_pincfg - Override a pin default configuration
518 * @codec: the HDA codec
519 * @nid: NID to set the pin config
520 * @cfg: the pin default config value
522 * Override a pin default configuration value in the cache.
523 * This value can be read by snd_hda_codec_get_pincfg() in a higher
524 * priority than the real hardware value.
526 int snd_hda_codec_set_pincfg(struct hda_codec
*codec
,
527 hda_nid_t nid
, unsigned int cfg
)
529 return snd_hda_add_pincfg(codec
, &codec
->driver_pins
, nid
, cfg
);
531 EXPORT_SYMBOL_GPL(snd_hda_codec_set_pincfg
);
534 * snd_hda_codec_get_pincfg - Obtain a pin-default configuration
535 * @codec: the HDA codec
536 * @nid: NID to get the pin config
538 * Get the current pin config value of the given pin NID.
539 * If the pincfg value is cached or overridden via sysfs or driver,
540 * returns the cached value.
542 unsigned int snd_hda_codec_get_pincfg(struct hda_codec
*codec
, hda_nid_t nid
)
544 struct hda_pincfg
*pin
;
546 #ifdef CONFIG_SND_HDA_RECONFIG
548 unsigned int cfg
= 0;
549 mutex_lock(&codec
->user_mutex
);
550 pin
= look_up_pincfg(codec
, &codec
->user_pins
, nid
);
553 mutex_unlock(&codec
->user_mutex
);
558 pin
= look_up_pincfg(codec
, &codec
->driver_pins
, nid
);
561 pin
= look_up_pincfg(codec
, &codec
->init_pins
, nid
);
566 EXPORT_SYMBOL_GPL(snd_hda_codec_get_pincfg
);
569 * snd_hda_codec_set_pin_target - remember the current pinctl target value
570 * @codec: the HDA codec
572 * @val: assigned pinctl value
574 * This function stores the given value to a pinctl target value in the
575 * pincfg table. This isn't always as same as the actually written value
576 * but can be referred at any time via snd_hda_codec_get_pin_target().
578 int snd_hda_codec_set_pin_target(struct hda_codec
*codec
, hda_nid_t nid
,
581 struct hda_pincfg
*pin
;
583 pin
= look_up_pincfg(codec
, &codec
->init_pins
, nid
);
589 EXPORT_SYMBOL_GPL(snd_hda_codec_set_pin_target
);
592 * snd_hda_codec_get_pin_target - return the current pinctl target value
593 * @codec: the HDA codec
596 int snd_hda_codec_get_pin_target(struct hda_codec
*codec
, hda_nid_t nid
)
598 struct hda_pincfg
*pin
;
600 pin
= look_up_pincfg(codec
, &codec
->init_pins
, nid
);
605 EXPORT_SYMBOL_GPL(snd_hda_codec_get_pin_target
);
608 * snd_hda_shutup_pins - Shut up all pins
609 * @codec: the HDA codec
611 * Clear all pin controls to shup up before suspend for avoiding click noise.
612 * The controls aren't cached so that they can be resumed properly.
614 void snd_hda_shutup_pins(struct hda_codec
*codec
)
616 const struct hda_pincfg
*pin
;
619 /* don't shut up pins when unloading the driver; otherwise it breaks
620 * the default pin setup at the next load of the driver
622 if (codec
->bus
->shutdown
)
624 snd_array_for_each(&codec
->init_pins
, i
, pin
) {
625 /* use read here for syncing after issuing each verb */
626 snd_hda_codec_read(codec
, pin
->nid
, 0,
627 AC_VERB_SET_PIN_WIDGET_CONTROL
, 0);
629 codec
->pins_shutup
= 1;
631 EXPORT_SYMBOL_GPL(snd_hda_shutup_pins
);
634 /* Restore the pin controls cleared previously via snd_hda_shutup_pins() */
635 static void restore_shutup_pins(struct hda_codec
*codec
)
637 const struct hda_pincfg
*pin
;
640 if (!codec
->pins_shutup
)
642 if (codec
->bus
->shutdown
)
644 snd_array_for_each(&codec
->init_pins
, i
, pin
) {
645 snd_hda_codec_write(codec
, pin
->nid
, 0,
646 AC_VERB_SET_PIN_WIDGET_CONTROL
,
649 codec
->pins_shutup
= 0;
653 static void hda_jackpoll_work(struct work_struct
*work
)
655 struct hda_codec
*codec
=
656 container_of(work
, struct hda_codec
, jackpoll_work
.work
);
658 snd_hda_jack_set_dirty_all(codec
);
659 snd_hda_jack_poll_all(codec
);
661 if (!codec
->jackpoll_interval
)
664 schedule_delayed_work(&codec
->jackpoll_work
,
665 codec
->jackpoll_interval
);
668 /* release all pincfg lists */
669 static void free_init_pincfgs(struct hda_codec
*codec
)
671 snd_array_free(&codec
->driver_pins
);
672 #ifdef CONFIG_SND_HDA_RECONFIG
673 snd_array_free(&codec
->user_pins
);
675 snd_array_free(&codec
->init_pins
);
679 * audio-converter setup caches
681 struct hda_cvt_setup
{
686 unsigned char active
; /* cvt is currently used */
687 unsigned char dirty
; /* setups should be cleared */
690 /* get or create a cache entry for the given audio converter NID */
691 static struct hda_cvt_setup
*
692 get_hda_cvt_setup(struct hda_codec
*codec
, hda_nid_t nid
)
694 struct hda_cvt_setup
*p
;
697 snd_array_for_each(&codec
->cvt_setups
, i
, p
) {
701 p
= snd_array_new(&codec
->cvt_setups
);
710 static void release_pcm(struct kref
*kref
)
712 struct hda_pcm
*pcm
= container_of(kref
, struct hda_pcm
, kref
);
715 snd_device_free(pcm
->codec
->card
, pcm
->pcm
);
716 clear_bit(pcm
->device
, pcm
->codec
->bus
->pcm_dev_bits
);
721 void snd_hda_codec_pcm_put(struct hda_pcm
*pcm
)
723 kref_put(&pcm
->kref
, release_pcm
);
725 EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_put
);
727 struct hda_pcm
*snd_hda_codec_pcm_new(struct hda_codec
*codec
,
728 const char *fmt
, ...)
733 pcm
= kzalloc(sizeof(*pcm
), GFP_KERNEL
);
738 kref_init(&pcm
->kref
);
740 pcm
->name
= kvasprintf(GFP_KERNEL
, fmt
, args
);
747 list_add_tail(&pcm
->list
, &codec
->pcm_list_head
);
750 EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_new
);
755 static void codec_release_pcms(struct hda_codec
*codec
)
757 struct hda_pcm
*pcm
, *n
;
759 list_for_each_entry_safe(pcm
, n
, &codec
->pcm_list_head
, list
) {
760 list_del_init(&pcm
->list
);
762 snd_device_disconnect(codec
->card
, pcm
->pcm
);
763 snd_hda_codec_pcm_put(pcm
);
767 void snd_hda_codec_cleanup_for_unbind(struct hda_codec
*codec
)
769 if (codec
->registered
) {
770 /* pm_runtime_put() is called in snd_hdac_device_exit() */
771 pm_runtime_get_noresume(hda_codec_dev(codec
));
772 pm_runtime_disable(hda_codec_dev(codec
));
773 codec
->registered
= 0;
776 cancel_delayed_work_sync(&codec
->jackpoll_work
);
777 if (!codec
->in_freeing
)
778 snd_hda_ctls_clear(codec
);
779 codec_release_pcms(codec
);
780 snd_hda_detach_beep_device(codec
);
781 memset(&codec
->patch_ops
, 0, sizeof(codec
->patch_ops
));
782 snd_hda_jack_tbl_clear(codec
);
783 codec
->proc_widget_hook
= NULL
;
786 /* free only driver_pins so that init_pins + user_pins are restored */
787 snd_array_free(&codec
->driver_pins
);
788 snd_array_free(&codec
->cvt_setups
);
789 snd_array_free(&codec
->spdif_out
);
790 snd_array_free(&codec
->verbs
);
791 codec
->preset
= NULL
;
792 codec
->slave_dig_outs
= NULL
;
793 codec
->spdif_status_reset
= 0;
794 snd_array_free(&codec
->mixers
);
795 snd_array_free(&codec
->nids
);
796 remove_conn_list(codec
);
797 snd_hdac_regmap_exit(&codec
->core
);
800 static unsigned int hda_set_power_state(struct hda_codec
*codec
,
801 unsigned int power_state
);
803 /* enable/disable display power per codec */
804 static void codec_display_power(struct hda_codec
*codec
, bool enable
)
806 if (codec
->display_power_control
)
807 snd_hdac_display_power(&codec
->bus
->core
, codec
->addr
, enable
);
810 /* also called from hda_bind.c */
811 void snd_hda_codec_register(struct hda_codec
*codec
)
813 if (codec
->registered
)
815 if (device_is_registered(hda_codec_dev(codec
))) {
816 codec_display_power(codec
, true);
817 pm_runtime_enable(hda_codec_dev(codec
));
818 /* it was powered up in snd_hda_codec_new(), now all done */
819 snd_hda_power_down(codec
);
820 codec
->registered
= 1;
824 static int snd_hda_codec_dev_register(struct snd_device
*device
)
826 snd_hda_codec_register(device
->device_data
);
830 static int snd_hda_codec_dev_free(struct snd_device
*device
)
832 struct hda_codec
*codec
= device
->device_data
;
834 codec
->in_freeing
= 1;
836 * snd_hda_codec_device_new() is used by legacy HDA and ASoC driver.
837 * We can't unregister ASoC device since it will be unregistered in
838 * snd_hdac_ext_bus_device_remove().
840 if (codec
->core
.type
== HDA_DEV_LEGACY
)
841 snd_hdac_device_unregister(&codec
->core
);
842 codec_display_power(codec
, false);
845 * In the case of ASoC HD-audio bus, the device refcount is released in
846 * snd_hdac_ext_bus_device_remove() explicitly.
848 if (codec
->core
.type
== HDA_DEV_LEGACY
)
849 put_device(hda_codec_dev(codec
));
854 static void snd_hda_codec_dev_release(struct device
*dev
)
856 struct hda_codec
*codec
= dev_to_hda_codec(dev
);
858 free_init_pincfgs(codec
);
859 snd_hdac_device_exit(&codec
->core
);
860 snd_hda_sysfs_clear(codec
);
861 kfree(codec
->modelname
);
866 #define DEV_NAME_LEN 31
868 static int snd_hda_codec_device_init(struct hda_bus
*bus
, struct snd_card
*card
,
869 unsigned int codec_addr
, struct hda_codec
**codecp
)
871 char name
[DEV_NAME_LEN
];
872 struct hda_codec
*codec
;
875 dev_dbg(card
->dev
, "%s: entry\n", __func__
);
877 if (snd_BUG_ON(!bus
))
879 if (snd_BUG_ON(codec_addr
> HDA_MAX_CODEC_ADDRESS
))
882 codec
= kzalloc(sizeof(*codec
), GFP_KERNEL
);
886 sprintf(name
, "hdaudioC%dD%d", card
->number
, codec_addr
);
887 err
= snd_hdac_device_init(&codec
->core
, &bus
->core
, name
, codec_addr
);
893 codec
->core
.type
= HDA_DEV_LEGACY
;
900 * snd_hda_codec_new - create a HDA codec
901 * @bus: the bus to assign
902 * @codec_addr: the codec address
903 * @codecp: the pointer to store the generated codec
905 * Returns 0 if successful, or a negative error code.
907 int snd_hda_codec_new(struct hda_bus
*bus
, struct snd_card
*card
,
908 unsigned int codec_addr
, struct hda_codec
**codecp
)
912 ret
= snd_hda_codec_device_init(bus
, card
, codec_addr
, codecp
);
916 return snd_hda_codec_device_new(bus
, card
, codec_addr
, *codecp
);
918 EXPORT_SYMBOL_GPL(snd_hda_codec_new
);
920 int snd_hda_codec_device_new(struct hda_bus
*bus
, struct snd_card
*card
,
921 unsigned int codec_addr
, struct hda_codec
*codec
)
926 static struct snd_device_ops dev_ops
= {
927 .dev_register
= snd_hda_codec_dev_register
,
928 .dev_free
= snd_hda_codec_dev_free
,
931 dev_dbg(card
->dev
, "%s: entry\n", __func__
);
933 if (snd_BUG_ON(!bus
))
935 if (snd_BUG_ON(codec_addr
> HDA_MAX_CODEC_ADDRESS
))
938 codec
->core
.dev
.release
= snd_hda_codec_dev_release
;
939 codec
->core
.exec_verb
= codec_exec_verb
;
943 codec
->addr
= codec_addr
;
944 mutex_init(&codec
->spdif_mutex
);
945 mutex_init(&codec
->control_mutex
);
946 snd_array_init(&codec
->mixers
, sizeof(struct hda_nid_item
), 32);
947 snd_array_init(&codec
->nids
, sizeof(struct hda_nid_item
), 32);
948 snd_array_init(&codec
->init_pins
, sizeof(struct hda_pincfg
), 16);
949 snd_array_init(&codec
->driver_pins
, sizeof(struct hda_pincfg
), 16);
950 snd_array_init(&codec
->cvt_setups
, sizeof(struct hda_cvt_setup
), 8);
951 snd_array_init(&codec
->spdif_out
, sizeof(struct hda_spdif_out
), 16);
952 snd_array_init(&codec
->jacktbl
, sizeof(struct hda_jack_tbl
), 16);
953 snd_array_init(&codec
->verbs
, sizeof(struct hda_verb
*), 8);
954 INIT_LIST_HEAD(&codec
->conn_list
);
955 INIT_LIST_HEAD(&codec
->pcm_list_head
);
957 INIT_DELAYED_WORK(&codec
->jackpoll_work
, hda_jackpoll_work
);
958 codec
->depop_delay
= -1;
959 codec
->fixup_id
= HDA_FIXUP_ID_NOT_SET
;
962 codec
->power_jiffies
= jiffies
;
965 snd_hda_sysfs_init(codec
);
967 if (codec
->bus
->modelname
) {
968 codec
->modelname
= kstrdup(codec
->bus
->modelname
, GFP_KERNEL
);
969 if (!codec
->modelname
) {
975 fg
= codec
->core
.afg
? codec
->core
.afg
: codec
->core
.mfg
;
976 err
= read_widget_caps(codec
, fg
);
979 err
= read_pin_defaults(codec
);
983 /* power-up all before initialization */
984 hda_set_power_state(codec
, AC_PWRST_D0
);
985 codec
->core
.dev
.power
.power_state
= PMSG_ON
;
987 snd_hda_codec_proc_new(codec
);
989 snd_hda_create_hwdep(codec
);
991 sprintf(component
, "HDA:%08x,%08x,%08x", codec
->core
.vendor_id
,
992 codec
->core
.subsystem_id
, codec
->core
.revision_id
);
993 snd_component_add(card
, component
);
995 err
= snd_device_new(card
, SNDRV_DEV_CODEC
, codec
, &dev_ops
);
1002 put_device(hda_codec_dev(codec
));
1005 EXPORT_SYMBOL_GPL(snd_hda_codec_device_new
);
1008 * snd_hda_codec_update_widgets - Refresh widget caps and pin defaults
1009 * @codec: the HDA codec
1011 * Forcibly refresh the all widget caps and the init pin configurations of
1014 int snd_hda_codec_update_widgets(struct hda_codec
*codec
)
1019 err
= snd_hdac_refresh_widgets(&codec
->core
, true);
1023 /* Assume the function group node does not change,
1024 * only the widget nodes may change.
1026 kfree(codec
->wcaps
);
1027 fg
= codec
->core
.afg
? codec
->core
.afg
: codec
->core
.mfg
;
1028 err
= read_widget_caps(codec
, fg
);
1032 snd_array_free(&codec
->init_pins
);
1033 err
= read_pin_defaults(codec
);
1037 EXPORT_SYMBOL_GPL(snd_hda_codec_update_widgets
);
1039 /* update the stream-id if changed */
1040 static void update_pcm_stream_id(struct hda_codec
*codec
,
1041 struct hda_cvt_setup
*p
, hda_nid_t nid
,
1042 u32 stream_tag
, int channel_id
)
1044 unsigned int oldval
, newval
;
1046 if (p
->stream_tag
!= stream_tag
|| p
->channel_id
!= channel_id
) {
1047 oldval
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_CONV
, 0);
1048 newval
= (stream_tag
<< 4) | channel_id
;
1049 if (oldval
!= newval
)
1050 snd_hda_codec_write(codec
, nid
, 0,
1051 AC_VERB_SET_CHANNEL_STREAMID
,
1053 p
->stream_tag
= stream_tag
;
1054 p
->channel_id
= channel_id
;
1058 /* update the format-id if changed */
1059 static void update_pcm_format(struct hda_codec
*codec
, struct hda_cvt_setup
*p
,
1060 hda_nid_t nid
, int format
)
1062 unsigned int oldval
;
1064 if (p
->format_id
!= format
) {
1065 oldval
= snd_hda_codec_read(codec
, nid
, 0,
1066 AC_VERB_GET_STREAM_FORMAT
, 0);
1067 if (oldval
!= format
) {
1069 snd_hda_codec_write(codec
, nid
, 0,
1070 AC_VERB_SET_STREAM_FORMAT
,
1073 p
->format_id
= format
;
1078 * snd_hda_codec_setup_stream - set up the codec for streaming
1079 * @codec: the CODEC to set up
1080 * @nid: the NID to set up
1081 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
1082 * @channel_id: channel id to pass, zero based.
1083 * @format: stream format.
1085 void snd_hda_codec_setup_stream(struct hda_codec
*codec
, hda_nid_t nid
,
1087 int channel_id
, int format
)
1089 struct hda_codec
*c
;
1090 struct hda_cvt_setup
*p
;
1098 "hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
1099 nid
, stream_tag
, channel_id
, format
);
1100 p
= get_hda_cvt_setup(codec
, nid
);
1104 if (codec
->patch_ops
.stream_pm
)
1105 codec
->patch_ops
.stream_pm(codec
, nid
, true);
1106 if (codec
->pcm_format_first
)
1107 update_pcm_format(codec
, p
, nid
, format
);
1108 update_pcm_stream_id(codec
, p
, nid
, stream_tag
, channel_id
);
1109 if (!codec
->pcm_format_first
)
1110 update_pcm_format(codec
, p
, nid
, format
);
1115 /* make other inactive cvts with the same stream-tag dirty */
1116 type
= get_wcaps_type(get_wcaps(codec
, nid
));
1117 list_for_each_codec(c
, codec
->bus
) {
1118 snd_array_for_each(&c
->cvt_setups
, i
, p
) {
1119 if (!p
->active
&& p
->stream_tag
== stream_tag
&&
1120 get_wcaps_type(get_wcaps(c
, p
->nid
)) == type
)
1125 EXPORT_SYMBOL_GPL(snd_hda_codec_setup_stream
);
1127 static void really_cleanup_stream(struct hda_codec
*codec
,
1128 struct hda_cvt_setup
*q
);
1131 * __snd_hda_codec_cleanup_stream - clean up the codec for closing
1132 * @codec: the CODEC to clean up
1133 * @nid: the NID to clean up
1134 * @do_now: really clean up the stream instead of clearing the active flag
1136 void __snd_hda_codec_cleanup_stream(struct hda_codec
*codec
, hda_nid_t nid
,
1139 struct hda_cvt_setup
*p
;
1144 if (codec
->no_sticky_stream
)
1147 codec_dbg(codec
, "hda_codec_cleanup_stream: NID=0x%x\n", nid
);
1148 p
= get_hda_cvt_setup(codec
, nid
);
1150 /* here we just clear the active flag when do_now isn't set;
1151 * actual clean-ups will be done later in
1152 * purify_inactive_streams() called from snd_hda_codec_prpapre()
1155 really_cleanup_stream(codec
, p
);
1160 EXPORT_SYMBOL_GPL(__snd_hda_codec_cleanup_stream
);
1162 static void really_cleanup_stream(struct hda_codec
*codec
,
1163 struct hda_cvt_setup
*q
)
1165 hda_nid_t nid
= q
->nid
;
1166 if (q
->stream_tag
|| q
->channel_id
)
1167 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_CHANNEL_STREAMID
, 0);
1169 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_STREAM_FORMAT
, 0
1171 memset(q
, 0, sizeof(*q
));
1173 if (codec
->patch_ops
.stream_pm
)
1174 codec
->patch_ops
.stream_pm(codec
, nid
, false);
1177 /* clean up the all conflicting obsolete streams */
1178 static void purify_inactive_streams(struct hda_codec
*codec
)
1180 struct hda_codec
*c
;
1181 struct hda_cvt_setup
*p
;
1184 list_for_each_codec(c
, codec
->bus
) {
1185 snd_array_for_each(&c
->cvt_setups
, i
, p
) {
1187 really_cleanup_stream(c
, p
);
1193 /* clean up all streams; called from suspend */
1194 static void hda_cleanup_all_streams(struct hda_codec
*codec
)
1196 struct hda_cvt_setup
*p
;
1199 snd_array_for_each(&codec
->cvt_setups
, i
, p
) {
1201 really_cleanup_stream(codec
, p
);
1207 * amp access functions
1211 * query_amp_caps - query AMP capabilities
1212 * @codec: the HD-auio codec
1213 * @nid: the NID to query
1214 * @direction: either #HDA_INPUT or #HDA_OUTPUT
1216 * Query AMP capabilities for the given widget and direction.
1217 * Returns the obtained capability bits.
1219 * When cap bits have been already read, this doesn't read again but
1220 * returns the cached value.
1222 u32
query_amp_caps(struct hda_codec
*codec
, hda_nid_t nid
, int direction
)
1224 if (!(get_wcaps(codec
, nid
) & AC_WCAP_AMP_OVRD
))
1225 nid
= codec
->core
.afg
;
1226 return snd_hda_param_read(codec
, nid
,
1227 direction
== HDA_OUTPUT
?
1228 AC_PAR_AMP_OUT_CAP
: AC_PAR_AMP_IN_CAP
);
1230 EXPORT_SYMBOL_GPL(query_amp_caps
);
1233 * snd_hda_check_amp_caps - query AMP capabilities
1234 * @codec: the HD-audio codec
1235 * @nid: the NID to query
1236 * @dir: either #HDA_INPUT or #HDA_OUTPUT
1237 * @bits: bit mask to check the result
1239 * Check whether the widget has the given amp capability for the direction.
1241 bool snd_hda_check_amp_caps(struct hda_codec
*codec
, hda_nid_t nid
,
1242 int dir
, unsigned int bits
)
1246 if (get_wcaps(codec
, nid
) & (1 << (dir
+ 1)))
1247 if (query_amp_caps(codec
, nid
, dir
) & bits
)
1251 EXPORT_SYMBOL_GPL(snd_hda_check_amp_caps
);
1254 * snd_hda_override_amp_caps - Override the AMP capabilities
1255 * @codec: the CODEC to clean up
1256 * @nid: the NID to clean up
1257 * @dir: either #HDA_INPUT or #HDA_OUTPUT
1258 * @caps: the capability bits to set
1260 * Override the cached AMP caps bits value by the given one.
1261 * This function is useful if the driver needs to adjust the AMP ranges,
1262 * e.g. limit to 0dB, etc.
1264 * Returns zero if successful or a negative error code.
1266 int snd_hda_override_amp_caps(struct hda_codec
*codec
, hda_nid_t nid
, int dir
,
1271 snd_hda_override_wcaps(codec
, nid
,
1272 get_wcaps(codec
, nid
) | AC_WCAP_AMP_OVRD
);
1273 parm
= dir
== HDA_OUTPUT
? AC_PAR_AMP_OUT_CAP
: AC_PAR_AMP_IN_CAP
;
1274 return snd_hdac_override_parm(&codec
->core
, nid
, parm
, caps
);
1276 EXPORT_SYMBOL_GPL(snd_hda_override_amp_caps
);
1279 * snd_hda_codec_amp_update - update the AMP mono value
1280 * @codec: HD-audio codec
1281 * @nid: NID to read the AMP value
1282 * @ch: channel to update (0 or 1)
1283 * @dir: #HDA_INPUT or #HDA_OUTPUT
1284 * @idx: the index value (only for input direction)
1285 * @mask: bit mask to set
1286 * @val: the bits value to set
1288 * Update the AMP values for the given channel, direction and index.
1290 int snd_hda_codec_amp_update(struct hda_codec
*codec
, hda_nid_t nid
,
1291 int ch
, int dir
, int idx
, int mask
, int val
)
1293 unsigned int cmd
= snd_hdac_regmap_encode_amp(nid
, ch
, dir
, idx
);
1295 /* enable fake mute if no h/w mute but min=mute */
1296 if ((query_amp_caps(codec
, nid
, dir
) &
1297 (AC_AMPCAP_MUTE
| AC_AMPCAP_MIN_MUTE
)) == AC_AMPCAP_MIN_MUTE
)
1298 cmd
|= AC_AMP_FAKE_MUTE
;
1299 return snd_hdac_regmap_update_raw(&codec
->core
, cmd
, mask
, val
);
1301 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_update
);
1304 * snd_hda_codec_amp_stereo - update the AMP stereo values
1305 * @codec: HD-audio codec
1306 * @nid: NID to read the AMP value
1307 * @direction: #HDA_INPUT or #HDA_OUTPUT
1308 * @idx: the index value (only for input direction)
1309 * @mask: bit mask to set
1310 * @val: the bits value to set
1312 * Update the AMP values like snd_hda_codec_amp_update(), but for a
1313 * stereo widget with the same mask and value.
1315 int snd_hda_codec_amp_stereo(struct hda_codec
*codec
, hda_nid_t nid
,
1316 int direction
, int idx
, int mask
, int val
)
1320 if (snd_BUG_ON(mask
& ~0xff))
1322 for (ch
= 0; ch
< 2; ch
++)
1323 ret
|= snd_hda_codec_amp_update(codec
, nid
, ch
, direction
,
1327 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_stereo
);
1330 * snd_hda_codec_amp_init - initialize the AMP value
1331 * @codec: the HDA codec
1332 * @nid: NID to read the AMP value
1333 * @ch: channel (left=0 or right=1)
1334 * @dir: #HDA_INPUT or #HDA_OUTPUT
1335 * @idx: the index value (only for input direction)
1336 * @mask: bit mask to set
1337 * @val: the bits value to set
1339 * Works like snd_hda_codec_amp_update() but it writes the value only at
1340 * the first access. If the amp was already initialized / updated beforehand,
1341 * this does nothing.
1343 int snd_hda_codec_amp_init(struct hda_codec
*codec
, hda_nid_t nid
, int ch
,
1344 int dir
, int idx
, int mask
, int val
)
1348 if (!codec
->core
.regmap
)
1350 regcache_cache_only(codec
->core
.regmap
, true);
1351 orig
= snd_hda_codec_amp_read(codec
, nid
, ch
, dir
, idx
);
1352 regcache_cache_only(codec
->core
.regmap
, false);
1355 return snd_hda_codec_amp_update(codec
, nid
, ch
, dir
, idx
, mask
, val
);
1357 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init
);
1360 * snd_hda_codec_amp_init_stereo - initialize the stereo AMP value
1361 * @codec: the HDA codec
1362 * @nid: NID to read the AMP value
1363 * @dir: #HDA_INPUT or #HDA_OUTPUT
1364 * @idx: the index value (only for input direction)
1365 * @mask: bit mask to set
1366 * @val: the bits value to set
1368 * Call snd_hda_codec_amp_init() for both stereo channels.
1370 int snd_hda_codec_amp_init_stereo(struct hda_codec
*codec
, hda_nid_t nid
,
1371 int dir
, int idx
, int mask
, int val
)
1375 if (snd_BUG_ON(mask
& ~0xff))
1377 for (ch
= 0; ch
< 2; ch
++)
1378 ret
|= snd_hda_codec_amp_init(codec
, nid
, ch
, dir
,
1382 EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init_stereo
);
1384 static u32
get_amp_max_value(struct hda_codec
*codec
, hda_nid_t nid
, int dir
,
1387 u32 caps
= query_amp_caps(codec
, nid
, dir
);
1389 caps
= (caps
& AC_AMPCAP_NUM_STEPS
) >> AC_AMPCAP_NUM_STEPS_SHIFT
;
1396 * snd_hda_mixer_amp_volume_info - Info callback for a standard AMP mixer
1397 * @kcontrol: referred ctl element
1398 * @uinfo: pointer to get/store the data
1400 * The control element is supposed to have the private_value field
1401 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1403 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol
*kcontrol
,
1404 struct snd_ctl_elem_info
*uinfo
)
1406 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1407 u16 nid
= get_amp_nid(kcontrol
);
1408 u8 chs
= get_amp_channels(kcontrol
);
1409 int dir
= get_amp_direction(kcontrol
);
1410 unsigned int ofs
= get_amp_offset(kcontrol
);
1412 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_INTEGER
;
1413 uinfo
->count
= chs
== 3 ? 2 : 1;
1414 uinfo
->value
.integer
.min
= 0;
1415 uinfo
->value
.integer
.max
= get_amp_max_value(codec
, nid
, dir
, ofs
);
1416 if (!uinfo
->value
.integer
.max
) {
1418 "num_steps = 0 for NID=0x%x (ctl = %s)\n",
1419 nid
, kcontrol
->id
.name
);
1424 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_info
);
1427 static inline unsigned int
1428 read_amp_value(struct hda_codec
*codec
, hda_nid_t nid
,
1429 int ch
, int dir
, int idx
, unsigned int ofs
)
1432 val
= snd_hda_codec_amp_read(codec
, nid
, ch
, dir
, idx
);
1433 val
&= HDA_AMP_VOLMASK
;
1442 update_amp_value(struct hda_codec
*codec
, hda_nid_t nid
,
1443 int ch
, int dir
, int idx
, unsigned int ofs
,
1446 unsigned int maxval
;
1450 /* ofs = 0: raw max value */
1451 maxval
= get_amp_max_value(codec
, nid
, dir
, 0);
1454 return snd_hda_codec_amp_update(codec
, nid
, ch
, dir
, idx
,
1455 HDA_AMP_VOLMASK
, val
);
1459 * snd_hda_mixer_amp_volume_get - Get callback for a standard AMP mixer volume
1460 * @kcontrol: ctl element
1461 * @ucontrol: pointer to get/store the data
1463 * The control element is supposed to have the private_value field
1464 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1466 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol
*kcontrol
,
1467 struct snd_ctl_elem_value
*ucontrol
)
1469 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1470 hda_nid_t nid
= get_amp_nid(kcontrol
);
1471 int chs
= get_amp_channels(kcontrol
);
1472 int dir
= get_amp_direction(kcontrol
);
1473 int idx
= get_amp_index(kcontrol
);
1474 unsigned int ofs
= get_amp_offset(kcontrol
);
1475 long *valp
= ucontrol
->value
.integer
.value
;
1478 *valp
++ = read_amp_value(codec
, nid
, 0, dir
, idx
, ofs
);
1480 *valp
= read_amp_value(codec
, nid
, 1, dir
, idx
, ofs
);
1483 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_get
);
1486 * snd_hda_mixer_amp_volume_put - Put callback for a standard AMP mixer volume
1487 * @kcontrol: ctl element
1488 * @ucontrol: pointer to get/store the data
1490 * The control element is supposed to have the private_value field
1491 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1493 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol
*kcontrol
,
1494 struct snd_ctl_elem_value
*ucontrol
)
1496 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1497 hda_nid_t nid
= get_amp_nid(kcontrol
);
1498 int chs
= get_amp_channels(kcontrol
);
1499 int dir
= get_amp_direction(kcontrol
);
1500 int idx
= get_amp_index(kcontrol
);
1501 unsigned int ofs
= get_amp_offset(kcontrol
);
1502 long *valp
= ucontrol
->value
.integer
.value
;
1506 change
= update_amp_value(codec
, nid
, 0, dir
, idx
, ofs
, *valp
);
1510 change
|= update_amp_value(codec
, nid
, 1, dir
, idx
, ofs
, *valp
);
1513 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_put
);
1515 /* inquiry the amp caps and convert to TLV */
1516 static void get_ctl_amp_tlv(struct snd_kcontrol
*kcontrol
, unsigned int *tlv
)
1518 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1519 hda_nid_t nid
= get_amp_nid(kcontrol
);
1520 int dir
= get_amp_direction(kcontrol
);
1521 unsigned int ofs
= get_amp_offset(kcontrol
);
1522 bool min_mute
= get_amp_min_mute(kcontrol
);
1523 u32 caps
, val1
, val2
;
1525 caps
= query_amp_caps(codec
, nid
, dir
);
1526 val2
= (caps
& AC_AMPCAP_STEP_SIZE
) >> AC_AMPCAP_STEP_SIZE_SHIFT
;
1527 val2
= (val2
+ 1) * 25;
1528 val1
= -((caps
& AC_AMPCAP_OFFSET
) >> AC_AMPCAP_OFFSET_SHIFT
);
1530 val1
= ((int)val1
) * ((int)val2
);
1531 if (min_mute
|| (caps
& AC_AMPCAP_MIN_MUTE
))
1532 val2
|= TLV_DB_SCALE_MUTE
;
1533 tlv
[SNDRV_CTL_TLVO_TYPE
] = SNDRV_CTL_TLVT_DB_SCALE
;
1534 tlv
[SNDRV_CTL_TLVO_LEN
] = 2 * sizeof(unsigned int);
1535 tlv
[SNDRV_CTL_TLVO_DB_SCALE_MIN
] = val1
;
1536 tlv
[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP
] = val2
;
1540 * snd_hda_mixer_amp_tlv - TLV callback for a standard AMP mixer volume
1541 * @kcontrol: ctl element
1542 * @op_flag: operation flag
1543 * @size: byte size of input TLV
1546 * The control element is supposed to have the private_value field
1547 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1549 int snd_hda_mixer_amp_tlv(struct snd_kcontrol
*kcontrol
, int op_flag
,
1550 unsigned int size
, unsigned int __user
*_tlv
)
1552 unsigned int tlv
[4];
1554 if (size
< 4 * sizeof(unsigned int))
1556 get_ctl_amp_tlv(kcontrol
, tlv
);
1557 if (copy_to_user(_tlv
, tlv
, sizeof(tlv
)))
1561 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_tlv
);
1564 * snd_hda_set_vmaster_tlv - Set TLV for a virtual master control
1565 * @codec: HD-audio codec
1566 * @nid: NID of a reference widget
1567 * @dir: #HDA_INPUT or #HDA_OUTPUT
1568 * @tlv: TLV data to be stored, at least 4 elements
1570 * Set (static) TLV data for a virtual master volume using the AMP caps
1571 * obtained from the reference NID.
1572 * The volume range is recalculated as if the max volume is 0dB.
1574 void snd_hda_set_vmaster_tlv(struct hda_codec
*codec
, hda_nid_t nid
, int dir
,
1580 caps
= query_amp_caps(codec
, nid
, dir
);
1581 nums
= (caps
& AC_AMPCAP_NUM_STEPS
) >> AC_AMPCAP_NUM_STEPS_SHIFT
;
1582 step
= (caps
& AC_AMPCAP_STEP_SIZE
) >> AC_AMPCAP_STEP_SIZE_SHIFT
;
1583 step
= (step
+ 1) * 25;
1584 tlv
[SNDRV_CTL_TLVO_TYPE
] = SNDRV_CTL_TLVT_DB_SCALE
;
1585 tlv
[SNDRV_CTL_TLVO_LEN
] = 2 * sizeof(unsigned int);
1586 tlv
[SNDRV_CTL_TLVO_DB_SCALE_MIN
] = -nums
* step
;
1587 tlv
[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP
] = step
;
1589 EXPORT_SYMBOL_GPL(snd_hda_set_vmaster_tlv
);
1591 /* find a mixer control element with the given name */
1592 static struct snd_kcontrol
*
1593 find_mixer_ctl(struct hda_codec
*codec
, const char *name
, int dev
, int idx
)
1595 struct snd_ctl_elem_id id
;
1596 memset(&id
, 0, sizeof(id
));
1597 id
.iface
= SNDRV_CTL_ELEM_IFACE_MIXER
;
1600 if (snd_BUG_ON(strlen(name
) >= sizeof(id
.name
)))
1602 strcpy(id
.name
, name
);
1603 return snd_ctl_find_id(codec
->card
, &id
);
1607 * snd_hda_find_mixer_ctl - Find a mixer control element with the given name
1608 * @codec: HD-audio codec
1609 * @name: ctl id name string
1611 * Get the control element with the given id string and IFACE_MIXER.
1613 struct snd_kcontrol
*snd_hda_find_mixer_ctl(struct hda_codec
*codec
,
1616 return find_mixer_ctl(codec
, name
, 0, 0);
1618 EXPORT_SYMBOL_GPL(snd_hda_find_mixer_ctl
);
1620 static int find_empty_mixer_ctl_idx(struct hda_codec
*codec
, const char *name
,
1624 /* 16 ctlrs should be large enough */
1625 for (i
= 0, idx
= start_idx
; i
< 16; i
++, idx
++) {
1626 if (!find_mixer_ctl(codec
, name
, 0, idx
))
1633 * snd_hda_ctl_add - Add a control element and assign to the codec
1634 * @codec: HD-audio codec
1635 * @nid: corresponding NID (optional)
1636 * @kctl: the control element to assign
1638 * Add the given control element to an array inside the codec instance.
1639 * All control elements belonging to a codec are supposed to be added
1640 * by this function so that a proper clean-up works at the free or
1641 * reconfiguration time.
1643 * If non-zero @nid is passed, the NID is assigned to the control element.
1644 * The assignment is shown in the codec proc file.
1646 * snd_hda_ctl_add() checks the control subdev id field whether
1647 * #HDA_SUBDEV_NID_FLAG bit is set. If set (and @nid is zero), the lower
1648 * bits value is taken as the NID to assign. The #HDA_NID_ITEM_AMP bit
1649 * specifies if kctl->private_value is a HDA amplifier value.
1651 int snd_hda_ctl_add(struct hda_codec
*codec
, hda_nid_t nid
,
1652 struct snd_kcontrol
*kctl
)
1655 unsigned short flags
= 0;
1656 struct hda_nid_item
*item
;
1658 if (kctl
->id
.subdevice
& HDA_SUBDEV_AMP_FLAG
) {
1659 flags
|= HDA_NID_ITEM_AMP
;
1661 nid
= get_amp_nid_(kctl
->private_value
);
1663 if ((kctl
->id
.subdevice
& HDA_SUBDEV_NID_FLAG
) != 0 && nid
== 0)
1664 nid
= kctl
->id
.subdevice
& 0xffff;
1665 if (kctl
->id
.subdevice
& (HDA_SUBDEV_NID_FLAG
|HDA_SUBDEV_AMP_FLAG
))
1666 kctl
->id
.subdevice
= 0;
1667 err
= snd_ctl_add(codec
->card
, kctl
);
1670 item
= snd_array_new(&codec
->mixers
);
1675 item
->flags
= flags
;
1678 EXPORT_SYMBOL_GPL(snd_hda_ctl_add
);
1681 * snd_hda_add_nid - Assign a NID to a control element
1682 * @codec: HD-audio codec
1683 * @nid: corresponding NID (optional)
1684 * @kctl: the control element to assign
1685 * @index: index to kctl
1687 * Add the given control element to an array inside the codec instance.
1688 * This function is used when #snd_hda_ctl_add cannot be used for 1:1
1689 * NID:KCTL mapping - for example "Capture Source" selector.
1691 int snd_hda_add_nid(struct hda_codec
*codec
, struct snd_kcontrol
*kctl
,
1692 unsigned int index
, hda_nid_t nid
)
1694 struct hda_nid_item
*item
;
1697 item
= snd_array_new(&codec
->nids
);
1701 item
->index
= index
;
1705 codec_err(codec
, "no NID for mapping control %s:%d:%d\n",
1706 kctl
->id
.name
, kctl
->id
.index
, index
);
1709 EXPORT_SYMBOL_GPL(snd_hda_add_nid
);
1712 * snd_hda_ctls_clear - Clear all controls assigned to the given codec
1713 * @codec: HD-audio codec
1715 void snd_hda_ctls_clear(struct hda_codec
*codec
)
1718 struct hda_nid_item
*items
= codec
->mixers
.list
;
1719 for (i
= 0; i
< codec
->mixers
.used
; i
++)
1720 snd_ctl_remove(codec
->card
, items
[i
].kctl
);
1721 snd_array_free(&codec
->mixers
);
1722 snd_array_free(&codec
->nids
);
1726 * snd_hda_lock_devices - pseudo device locking
1729 * toggle card->shutdown to allow/disallow the device access (as a hack)
1731 int snd_hda_lock_devices(struct hda_bus
*bus
)
1733 struct snd_card
*card
= bus
->card
;
1734 struct hda_codec
*codec
;
1736 spin_lock(&card
->files_lock
);
1740 if (!list_empty(&card
->ctl_files
))
1743 list_for_each_codec(codec
, bus
) {
1744 struct hda_pcm
*cpcm
;
1745 list_for_each_entry(cpcm
, &codec
->pcm_list_head
, list
) {
1748 if (cpcm
->pcm
->streams
[0].substream_opened
||
1749 cpcm
->pcm
->streams
[1].substream_opened
)
1753 spin_unlock(&card
->files_lock
);
1759 spin_unlock(&card
->files_lock
);
1762 EXPORT_SYMBOL_GPL(snd_hda_lock_devices
);
1765 * snd_hda_unlock_devices - pseudo device unlocking
1768 void snd_hda_unlock_devices(struct hda_bus
*bus
)
1770 struct snd_card
*card
= bus
->card
;
1772 spin_lock(&card
->files_lock
);
1774 spin_unlock(&card
->files_lock
);
1776 EXPORT_SYMBOL_GPL(snd_hda_unlock_devices
);
1779 * snd_hda_codec_reset - Clear all objects assigned to the codec
1780 * @codec: HD-audio codec
1782 * This frees the all PCM and control elements assigned to the codec, and
1783 * clears the caches and restores the pin default configurations.
1785 * When a device is being used, it returns -EBSY. If successfully freed,
1788 int snd_hda_codec_reset(struct hda_codec
*codec
)
1790 struct hda_bus
*bus
= codec
->bus
;
1792 if (snd_hda_lock_devices(bus
) < 0)
1795 /* OK, let it free */
1796 snd_hdac_device_unregister(&codec
->core
);
1798 /* allow device access again */
1799 snd_hda_unlock_devices(bus
);
1803 typedef int (*map_slave_func_t
)(struct hda_codec
*, void *, struct snd_kcontrol
*);
1805 /* apply the function to all matching slave ctls in the mixer list */
1806 static int map_slaves(struct hda_codec
*codec
, const char * const *slaves
,
1807 const char *suffix
, map_slave_func_t func
, void *data
)
1809 struct hda_nid_item
*items
;
1810 const char * const *s
;
1813 items
= codec
->mixers
.list
;
1814 for (i
= 0; i
< codec
->mixers
.used
; i
++) {
1815 struct snd_kcontrol
*sctl
= items
[i
].kctl
;
1816 if (!sctl
|| sctl
->id
.iface
!= SNDRV_CTL_ELEM_IFACE_MIXER
)
1818 for (s
= slaves
; *s
; s
++) {
1819 char tmpname
[sizeof(sctl
->id
.name
)];
1820 const char *name
= *s
;
1822 snprintf(tmpname
, sizeof(tmpname
), "%s %s",
1826 if (!strcmp(sctl
->id
.name
, name
)) {
1827 err
= func(codec
, data
, sctl
);
1837 static int check_slave_present(struct hda_codec
*codec
,
1838 void *data
, struct snd_kcontrol
*sctl
)
1843 /* call kctl->put with the given value(s) */
1844 static int put_kctl_with_value(struct snd_kcontrol
*kctl
, int val
)
1846 struct snd_ctl_elem_value
*ucontrol
;
1847 ucontrol
= kzalloc(sizeof(*ucontrol
), GFP_KERNEL
);
1850 ucontrol
->value
.integer
.value
[0] = val
;
1851 ucontrol
->value
.integer
.value
[1] = val
;
1852 kctl
->put(kctl
, ucontrol
);
1857 struct slave_init_arg
{
1858 struct hda_codec
*codec
;
1862 /* initialize the slave volume with 0dB via snd_ctl_apply_vmaster_slaves() */
1863 static int init_slave_0dB(struct snd_kcontrol
*slave
,
1864 struct snd_kcontrol
*kctl
,
1867 struct slave_init_arg
*arg
= _arg
;
1869 const int *tlv
= NULL
;
1873 if (kctl
->vd
[0].access
& SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK
) {
1874 if (kctl
->tlv
.c
!= snd_hda_mixer_amp_tlv
) {
1875 codec_err(arg
->codec
,
1876 "Unexpected TLV callback for slave %s:%d\n",
1877 kctl
->id
.name
, kctl
->id
.index
);
1878 return 0; /* ignore */
1880 get_ctl_amp_tlv(kctl
, _tlv
);
1882 } else if (kctl
->vd
[0].access
& SNDRV_CTL_ELEM_ACCESS_TLV_READ
)
1885 if (!tlv
|| tlv
[SNDRV_CTL_TLVO_TYPE
] != SNDRV_CTL_TLVT_DB_SCALE
)
1888 step
= tlv
[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP
];
1889 step
&= ~TLV_DB_SCALE_MUTE
;
1892 if (arg
->step
&& arg
->step
!= step
) {
1893 codec_err(arg
->codec
,
1894 "Mismatching dB step for vmaster slave (%d!=%d)\n",
1900 val
= -tlv
[SNDRV_CTL_TLVO_DB_SCALE_MIN
] / step
;
1902 put_kctl_with_value(slave
, val
);
1909 /* unmute the slave via snd_ctl_apply_vmaster_slaves() */
1910 static int init_slave_unmute(struct snd_kcontrol
*slave
,
1911 struct snd_kcontrol
*kctl
,
1914 return put_kctl_with_value(slave
, 1);
1917 static int add_slave(struct hda_codec
*codec
,
1918 void *data
, struct snd_kcontrol
*slave
)
1920 return snd_ctl_add_slave(data
, slave
);
1924 * __snd_hda_add_vmaster - create a virtual master control and add slaves
1925 * @codec: HD-audio codec
1926 * @name: vmaster control name
1927 * @tlv: TLV data (optional)
1928 * @slaves: slave control names (optional)
1929 * @suffix: suffix string to each slave name (optional)
1930 * @init_slave_vol: initialize slaves to unmute/0dB
1931 * @ctl_ret: store the vmaster kcontrol in return
1933 * Create a virtual master control with the given name. The TLV data
1934 * must be either NULL or a valid data.
1936 * @slaves is a NULL-terminated array of strings, each of which is a
1937 * slave control name. All controls with these names are assigned to
1938 * the new virtual master control.
1940 * This function returns zero if successful or a negative error code.
1942 int __snd_hda_add_vmaster(struct hda_codec
*codec
, char *name
,
1943 unsigned int *tlv
, const char * const *slaves
,
1944 const char *suffix
, bool init_slave_vol
,
1945 struct snd_kcontrol
**ctl_ret
)
1947 struct snd_kcontrol
*kctl
;
1953 err
= map_slaves(codec
, slaves
, suffix
, check_slave_present
, NULL
);
1955 codec_dbg(codec
, "No slave found for %s\n", name
);
1958 kctl
= snd_ctl_make_virtual_master(name
, tlv
);
1961 err
= snd_hda_ctl_add(codec
, 0, kctl
);
1965 err
= map_slaves(codec
, slaves
, suffix
, add_slave
, kctl
);
1969 /* init with master mute & zero volume */
1970 put_kctl_with_value(kctl
, 0);
1971 if (init_slave_vol
) {
1972 struct slave_init_arg arg
= {
1976 snd_ctl_apply_vmaster_slaves(kctl
,
1977 tlv
? init_slave_0dB
: init_slave_unmute
,
1985 EXPORT_SYMBOL_GPL(__snd_hda_add_vmaster
);
1988 * mute-LED control using vmaster
1990 static int vmaster_mute_mode_info(struct snd_kcontrol
*kcontrol
,
1991 struct snd_ctl_elem_info
*uinfo
)
1993 static const char * const texts
[] = {
1994 "On", "Off", "Follow Master"
1997 return snd_ctl_enum_info(uinfo
, 1, 3, texts
);
2000 static int vmaster_mute_mode_get(struct snd_kcontrol
*kcontrol
,
2001 struct snd_ctl_elem_value
*ucontrol
)
2003 struct hda_vmaster_mute_hook
*hook
= snd_kcontrol_chip(kcontrol
);
2004 ucontrol
->value
.enumerated
.item
[0] = hook
->mute_mode
;
2008 static int vmaster_mute_mode_put(struct snd_kcontrol
*kcontrol
,
2009 struct snd_ctl_elem_value
*ucontrol
)
2011 struct hda_vmaster_mute_hook
*hook
= snd_kcontrol_chip(kcontrol
);
2012 unsigned int old_mode
= hook
->mute_mode
;
2014 hook
->mute_mode
= ucontrol
->value
.enumerated
.item
[0];
2015 if (hook
->mute_mode
> HDA_VMUTE_FOLLOW_MASTER
)
2016 hook
->mute_mode
= HDA_VMUTE_FOLLOW_MASTER
;
2017 if (old_mode
== hook
->mute_mode
)
2019 snd_hda_sync_vmaster_hook(hook
);
2023 static const struct snd_kcontrol_new vmaster_mute_mode
= {
2024 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
2025 .name
= "Mute-LED Mode",
2026 .info
= vmaster_mute_mode_info
,
2027 .get
= vmaster_mute_mode_get
,
2028 .put
= vmaster_mute_mode_put
,
2031 /* meta hook to call each driver's vmaster hook */
2032 static void vmaster_hook(void *private_data
, int enabled
)
2034 struct hda_vmaster_mute_hook
*hook
= private_data
;
2036 if (hook
->mute_mode
!= HDA_VMUTE_FOLLOW_MASTER
)
2037 enabled
= hook
->mute_mode
;
2038 hook
->hook(hook
->codec
, enabled
);
2042 * snd_hda_add_vmaster_hook - Add a vmaster hook for mute-LED
2043 * @codec: the HDA codec
2044 * @hook: the vmaster hook object
2045 * @expose_enum_ctl: flag to create an enum ctl
2047 * Add a mute-LED hook with the given vmaster switch kctl.
2048 * When @expose_enum_ctl is set, "Mute-LED Mode" control is automatically
2049 * created and associated with the given hook.
2051 int snd_hda_add_vmaster_hook(struct hda_codec
*codec
,
2052 struct hda_vmaster_mute_hook
*hook
,
2053 bool expose_enum_ctl
)
2055 struct snd_kcontrol
*kctl
;
2057 if (!hook
->hook
|| !hook
->sw_kctl
)
2059 hook
->codec
= codec
;
2060 hook
->mute_mode
= HDA_VMUTE_FOLLOW_MASTER
;
2061 snd_ctl_add_vmaster_hook(hook
->sw_kctl
, vmaster_hook
, hook
);
2062 if (!expose_enum_ctl
)
2064 kctl
= snd_ctl_new1(&vmaster_mute_mode
, hook
);
2067 return snd_hda_ctl_add(codec
, 0, kctl
);
2069 EXPORT_SYMBOL_GPL(snd_hda_add_vmaster_hook
);
2072 * snd_hda_sync_vmaster_hook - Sync vmaster hook
2073 * @hook: the vmaster hook
2075 * Call the hook with the current value for synchronization.
2076 * Should be called in init callback.
2078 void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook
*hook
)
2080 if (!hook
->hook
|| !hook
->codec
)
2082 /* don't call vmaster hook in the destructor since it might have
2083 * been already destroyed
2085 if (hook
->codec
->bus
->shutdown
)
2087 snd_ctl_sync_vmaster_hook(hook
->sw_kctl
);
2089 EXPORT_SYMBOL_GPL(snd_hda_sync_vmaster_hook
);
2093 * snd_hda_mixer_amp_switch_info - Info callback for a standard AMP mixer switch
2094 * @kcontrol: referred ctl element
2095 * @uinfo: pointer to get/store the data
2097 * The control element is supposed to have the private_value field
2098 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2100 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol
*kcontrol
,
2101 struct snd_ctl_elem_info
*uinfo
)
2103 int chs
= get_amp_channels(kcontrol
);
2105 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_BOOLEAN
;
2106 uinfo
->count
= chs
== 3 ? 2 : 1;
2107 uinfo
->value
.integer
.min
= 0;
2108 uinfo
->value
.integer
.max
= 1;
2111 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_info
);
2114 * snd_hda_mixer_amp_switch_get - Get callback for a standard AMP mixer switch
2115 * @kcontrol: ctl element
2116 * @ucontrol: pointer to get/store the data
2118 * The control element is supposed to have the private_value field
2119 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2121 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol
*kcontrol
,
2122 struct snd_ctl_elem_value
*ucontrol
)
2124 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2125 hda_nid_t nid
= get_amp_nid(kcontrol
);
2126 int chs
= get_amp_channels(kcontrol
);
2127 int dir
= get_amp_direction(kcontrol
);
2128 int idx
= get_amp_index(kcontrol
);
2129 long *valp
= ucontrol
->value
.integer
.value
;
2132 *valp
++ = (snd_hda_codec_amp_read(codec
, nid
, 0, dir
, idx
) &
2133 HDA_AMP_MUTE
) ? 0 : 1;
2135 *valp
= (snd_hda_codec_amp_read(codec
, nid
, 1, dir
, idx
) &
2136 HDA_AMP_MUTE
) ? 0 : 1;
2139 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_get
);
2142 * snd_hda_mixer_amp_switch_put - Put callback for a standard AMP mixer switch
2143 * @kcontrol: ctl element
2144 * @ucontrol: pointer to get/store the data
2146 * The control element is supposed to have the private_value field
2147 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2149 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol
*kcontrol
,
2150 struct snd_ctl_elem_value
*ucontrol
)
2152 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2153 hda_nid_t nid
= get_amp_nid(kcontrol
);
2154 int chs
= get_amp_channels(kcontrol
);
2155 int dir
= get_amp_direction(kcontrol
);
2156 int idx
= get_amp_index(kcontrol
);
2157 long *valp
= ucontrol
->value
.integer
.value
;
2161 change
= snd_hda_codec_amp_update(codec
, nid
, 0, dir
, idx
,
2163 *valp
? 0 : HDA_AMP_MUTE
);
2167 change
|= snd_hda_codec_amp_update(codec
, nid
, 1, dir
, idx
,
2169 *valp
? 0 : HDA_AMP_MUTE
);
2170 hda_call_check_power_status(codec
, nid
);
2173 EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put
);
2176 * SPDIF out controls
2179 static int snd_hda_spdif_mask_info(struct snd_kcontrol
*kcontrol
,
2180 struct snd_ctl_elem_info
*uinfo
)
2182 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_IEC958
;
2187 static int snd_hda_spdif_cmask_get(struct snd_kcontrol
*kcontrol
,
2188 struct snd_ctl_elem_value
*ucontrol
)
2190 ucontrol
->value
.iec958
.status
[0] = IEC958_AES0_PROFESSIONAL
|
2191 IEC958_AES0_NONAUDIO
|
2192 IEC958_AES0_CON_EMPHASIS_5015
|
2193 IEC958_AES0_CON_NOT_COPYRIGHT
;
2194 ucontrol
->value
.iec958
.status
[1] = IEC958_AES1_CON_CATEGORY
|
2195 IEC958_AES1_CON_ORIGINAL
;
2199 static int snd_hda_spdif_pmask_get(struct snd_kcontrol
*kcontrol
,
2200 struct snd_ctl_elem_value
*ucontrol
)
2202 ucontrol
->value
.iec958
.status
[0] = IEC958_AES0_PROFESSIONAL
|
2203 IEC958_AES0_NONAUDIO
|
2204 IEC958_AES0_PRO_EMPHASIS_5015
;
2208 static int snd_hda_spdif_default_get(struct snd_kcontrol
*kcontrol
,
2209 struct snd_ctl_elem_value
*ucontrol
)
2211 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2212 int idx
= kcontrol
->private_value
;
2213 struct hda_spdif_out
*spdif
;
2215 if (WARN_ON(codec
->spdif_out
.used
<= idx
))
2217 mutex_lock(&codec
->spdif_mutex
);
2218 spdif
= snd_array_elem(&codec
->spdif_out
, idx
);
2219 ucontrol
->value
.iec958
.status
[0] = spdif
->status
& 0xff;
2220 ucontrol
->value
.iec958
.status
[1] = (spdif
->status
>> 8) & 0xff;
2221 ucontrol
->value
.iec958
.status
[2] = (spdif
->status
>> 16) & 0xff;
2222 ucontrol
->value
.iec958
.status
[3] = (spdif
->status
>> 24) & 0xff;
2223 mutex_unlock(&codec
->spdif_mutex
);
2228 /* convert from SPDIF status bits to HDA SPDIF bits
2229 * bit 0 (DigEn) is always set zero (to be filled later)
2231 static unsigned short convert_from_spdif_status(unsigned int sbits
)
2233 unsigned short val
= 0;
2235 if (sbits
& IEC958_AES0_PROFESSIONAL
)
2236 val
|= AC_DIG1_PROFESSIONAL
;
2237 if (sbits
& IEC958_AES0_NONAUDIO
)
2238 val
|= AC_DIG1_NONAUDIO
;
2239 if (sbits
& IEC958_AES0_PROFESSIONAL
) {
2240 if ((sbits
& IEC958_AES0_PRO_EMPHASIS
) ==
2241 IEC958_AES0_PRO_EMPHASIS_5015
)
2242 val
|= AC_DIG1_EMPHASIS
;
2244 if ((sbits
& IEC958_AES0_CON_EMPHASIS
) ==
2245 IEC958_AES0_CON_EMPHASIS_5015
)
2246 val
|= AC_DIG1_EMPHASIS
;
2247 if (!(sbits
& IEC958_AES0_CON_NOT_COPYRIGHT
))
2248 val
|= AC_DIG1_COPYRIGHT
;
2249 if (sbits
& (IEC958_AES1_CON_ORIGINAL
<< 8))
2250 val
|= AC_DIG1_LEVEL
;
2251 val
|= sbits
& (IEC958_AES1_CON_CATEGORY
<< 8);
2256 /* convert to SPDIF status bits from HDA SPDIF bits
2258 static unsigned int convert_to_spdif_status(unsigned short val
)
2260 unsigned int sbits
= 0;
2262 if (val
& AC_DIG1_NONAUDIO
)
2263 sbits
|= IEC958_AES0_NONAUDIO
;
2264 if (val
& AC_DIG1_PROFESSIONAL
)
2265 sbits
|= IEC958_AES0_PROFESSIONAL
;
2266 if (sbits
& IEC958_AES0_PROFESSIONAL
) {
2267 if (val
& AC_DIG1_EMPHASIS
)
2268 sbits
|= IEC958_AES0_PRO_EMPHASIS_5015
;
2270 if (val
& AC_DIG1_EMPHASIS
)
2271 sbits
|= IEC958_AES0_CON_EMPHASIS_5015
;
2272 if (!(val
& AC_DIG1_COPYRIGHT
))
2273 sbits
|= IEC958_AES0_CON_NOT_COPYRIGHT
;
2274 if (val
& AC_DIG1_LEVEL
)
2275 sbits
|= (IEC958_AES1_CON_ORIGINAL
<< 8);
2276 sbits
|= val
& (0x7f << 8);
2281 /* set digital convert verbs both for the given NID and its slaves */
2282 static void set_dig_out(struct hda_codec
*codec
, hda_nid_t nid
,
2287 snd_hdac_regmap_update(&codec
->core
, nid
, AC_VERB_SET_DIGI_CONVERT_1
,
2289 d
= codec
->slave_dig_outs
;
2293 snd_hdac_regmap_update(&codec
->core
, *d
,
2294 AC_VERB_SET_DIGI_CONVERT_1
, mask
, val
);
2297 static inline void set_dig_out_convert(struct hda_codec
*codec
, hda_nid_t nid
,
2300 unsigned int mask
= 0;
2301 unsigned int val
= 0;
2311 set_dig_out(codec
, nid
, mask
, val
);
2314 static int snd_hda_spdif_default_put(struct snd_kcontrol
*kcontrol
,
2315 struct snd_ctl_elem_value
*ucontrol
)
2317 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2318 int idx
= kcontrol
->private_value
;
2319 struct hda_spdif_out
*spdif
;
2324 if (WARN_ON(codec
->spdif_out
.used
<= idx
))
2326 mutex_lock(&codec
->spdif_mutex
);
2327 spdif
= snd_array_elem(&codec
->spdif_out
, idx
);
2329 spdif
->status
= ucontrol
->value
.iec958
.status
[0] |
2330 ((unsigned int)ucontrol
->value
.iec958
.status
[1] << 8) |
2331 ((unsigned int)ucontrol
->value
.iec958
.status
[2] << 16) |
2332 ((unsigned int)ucontrol
->value
.iec958
.status
[3] << 24);
2333 val
= convert_from_spdif_status(spdif
->status
);
2334 val
|= spdif
->ctls
& 1;
2335 change
= spdif
->ctls
!= val
;
2337 if (change
&& nid
!= (u16
)-1)
2338 set_dig_out_convert(codec
, nid
, val
& 0xff, (val
>> 8) & 0xff);
2339 mutex_unlock(&codec
->spdif_mutex
);
2343 #define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
2345 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol
*kcontrol
,
2346 struct snd_ctl_elem_value
*ucontrol
)
2348 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2349 int idx
= kcontrol
->private_value
;
2350 struct hda_spdif_out
*spdif
;
2352 if (WARN_ON(codec
->spdif_out
.used
<= idx
))
2354 mutex_lock(&codec
->spdif_mutex
);
2355 spdif
= snd_array_elem(&codec
->spdif_out
, idx
);
2356 ucontrol
->value
.integer
.value
[0] = spdif
->ctls
& AC_DIG1_ENABLE
;
2357 mutex_unlock(&codec
->spdif_mutex
);
2361 static inline void set_spdif_ctls(struct hda_codec
*codec
, hda_nid_t nid
,
2364 set_dig_out_convert(codec
, nid
, dig1
, dig2
);
2365 /* unmute amp switch (if any) */
2366 if ((get_wcaps(codec
, nid
) & AC_WCAP_OUT_AMP
) &&
2367 (dig1
& AC_DIG1_ENABLE
))
2368 snd_hda_codec_amp_stereo(codec
, nid
, HDA_OUTPUT
, 0,
2372 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol
*kcontrol
,
2373 struct snd_ctl_elem_value
*ucontrol
)
2375 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2376 int idx
= kcontrol
->private_value
;
2377 struct hda_spdif_out
*spdif
;
2382 if (WARN_ON(codec
->spdif_out
.used
<= idx
))
2384 mutex_lock(&codec
->spdif_mutex
);
2385 spdif
= snd_array_elem(&codec
->spdif_out
, idx
);
2387 val
= spdif
->ctls
& ~AC_DIG1_ENABLE
;
2388 if (ucontrol
->value
.integer
.value
[0])
2389 val
|= AC_DIG1_ENABLE
;
2390 change
= spdif
->ctls
!= val
;
2392 if (change
&& nid
!= (u16
)-1)
2393 set_spdif_ctls(codec
, nid
, val
& 0xff, -1);
2394 mutex_unlock(&codec
->spdif_mutex
);
2398 static struct snd_kcontrol_new dig_mixes
[] = {
2400 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
2401 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
2402 .name
= SNDRV_CTL_NAME_IEC958("", PLAYBACK
, CON_MASK
),
2403 .info
= snd_hda_spdif_mask_info
,
2404 .get
= snd_hda_spdif_cmask_get
,
2407 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
2408 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
2409 .name
= SNDRV_CTL_NAME_IEC958("", PLAYBACK
, PRO_MASK
),
2410 .info
= snd_hda_spdif_mask_info
,
2411 .get
= snd_hda_spdif_pmask_get
,
2414 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
2415 .name
= SNDRV_CTL_NAME_IEC958("", PLAYBACK
, DEFAULT
),
2416 .info
= snd_hda_spdif_mask_info
,
2417 .get
= snd_hda_spdif_default_get
,
2418 .put
= snd_hda_spdif_default_put
,
2421 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
2422 .name
= SNDRV_CTL_NAME_IEC958("", PLAYBACK
, SWITCH
),
2423 .info
= snd_hda_spdif_out_switch_info
,
2424 .get
= snd_hda_spdif_out_switch_get
,
2425 .put
= snd_hda_spdif_out_switch_put
,
2431 * snd_hda_create_dig_out_ctls - create Output SPDIF-related controls
2432 * @codec: the HDA codec
2433 * @associated_nid: NID that new ctls associated with
2434 * @cvt_nid: converter NID
2435 * @type: HDA_PCM_TYPE_*
2436 * Creates controls related with the digital output.
2437 * Called from each patch supporting the digital out.
2439 * Returns 0 if successful, or a negative error code.
2441 int snd_hda_create_dig_out_ctls(struct hda_codec
*codec
,
2442 hda_nid_t associated_nid
,
2447 struct snd_kcontrol
*kctl
;
2448 struct snd_kcontrol_new
*dig_mix
;
2451 const int spdif_index
= 16;
2452 struct hda_spdif_out
*spdif
;
2453 struct hda_bus
*bus
= codec
->bus
;
2455 if (bus
->primary_dig_out_type
== HDA_PCM_TYPE_HDMI
&&
2456 type
== HDA_PCM_TYPE_SPDIF
) {
2458 } else if (bus
->primary_dig_out_type
== HDA_PCM_TYPE_SPDIF
&&
2459 type
== HDA_PCM_TYPE_HDMI
) {
2460 /* suppose a single SPDIF device */
2461 for (dig_mix
= dig_mixes
; dig_mix
->name
; dig_mix
++) {
2462 kctl
= find_mixer_ctl(codec
, dig_mix
->name
, 0, 0);
2465 kctl
->id
.index
= spdif_index
;
2467 bus
->primary_dig_out_type
= HDA_PCM_TYPE_HDMI
;
2469 if (!bus
->primary_dig_out_type
)
2470 bus
->primary_dig_out_type
= type
;
2472 idx
= find_empty_mixer_ctl_idx(codec
, "IEC958 Playback Switch", idx
);
2474 codec_err(codec
, "too many IEC958 outputs\n");
2477 spdif
= snd_array_new(&codec
->spdif_out
);
2480 for (dig_mix
= dig_mixes
; dig_mix
->name
; dig_mix
++) {
2481 kctl
= snd_ctl_new1(dig_mix
, codec
);
2484 kctl
->id
.index
= idx
;
2485 kctl
->private_value
= codec
->spdif_out
.used
- 1;
2486 err
= snd_hda_ctl_add(codec
, associated_nid
, kctl
);
2490 spdif
->nid
= cvt_nid
;
2491 snd_hdac_regmap_read(&codec
->core
, cvt_nid
,
2492 AC_VERB_GET_DIGI_CONVERT_1
, &val
);
2494 spdif
->status
= convert_to_spdif_status(spdif
->ctls
);
2497 EXPORT_SYMBOL_GPL(snd_hda_create_dig_out_ctls
);
2500 * snd_hda_spdif_out_of_nid - get the hda_spdif_out entry from the given NID
2501 * @codec: the HDA codec
2504 * call within spdif_mutex lock
2506 struct hda_spdif_out
*snd_hda_spdif_out_of_nid(struct hda_codec
*codec
,
2509 struct hda_spdif_out
*spdif
;
2512 snd_array_for_each(&codec
->spdif_out
, i
, spdif
) {
2513 if (spdif
->nid
== nid
)
2518 EXPORT_SYMBOL_GPL(snd_hda_spdif_out_of_nid
);
2521 * snd_hda_spdif_ctls_unassign - Unassign the given SPDIF ctl
2522 * @codec: the HDA codec
2523 * @idx: the SPDIF ctl index
2525 * Unassign the widget from the given SPDIF control.
2527 void snd_hda_spdif_ctls_unassign(struct hda_codec
*codec
, int idx
)
2529 struct hda_spdif_out
*spdif
;
2531 if (WARN_ON(codec
->spdif_out
.used
<= idx
))
2533 mutex_lock(&codec
->spdif_mutex
);
2534 spdif
= snd_array_elem(&codec
->spdif_out
, idx
);
2535 spdif
->nid
= (u16
)-1;
2536 mutex_unlock(&codec
->spdif_mutex
);
2538 EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_unassign
);
2541 * snd_hda_spdif_ctls_assign - Assign the SPDIF controls to the given NID
2542 * @codec: the HDA codec
2543 * @idx: the SPDIF ctl idx
2546 * Assign the widget to the SPDIF control with the given index.
2548 void snd_hda_spdif_ctls_assign(struct hda_codec
*codec
, int idx
, hda_nid_t nid
)
2550 struct hda_spdif_out
*spdif
;
2553 if (WARN_ON(codec
->spdif_out
.used
<= idx
))
2555 mutex_lock(&codec
->spdif_mutex
);
2556 spdif
= snd_array_elem(&codec
->spdif_out
, idx
);
2557 if (spdif
->nid
!= nid
) {
2560 set_spdif_ctls(codec
, nid
, val
& 0xff, (val
>> 8) & 0xff);
2562 mutex_unlock(&codec
->spdif_mutex
);
2564 EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_assign
);
2567 * SPDIF sharing with analog output
2569 static int spdif_share_sw_get(struct snd_kcontrol
*kcontrol
,
2570 struct snd_ctl_elem_value
*ucontrol
)
2572 struct hda_multi_out
*mout
= snd_kcontrol_chip(kcontrol
);
2573 ucontrol
->value
.integer
.value
[0] = mout
->share_spdif
;
2577 static int spdif_share_sw_put(struct snd_kcontrol
*kcontrol
,
2578 struct snd_ctl_elem_value
*ucontrol
)
2580 struct hda_multi_out
*mout
= snd_kcontrol_chip(kcontrol
);
2581 mout
->share_spdif
= !!ucontrol
->value
.integer
.value
[0];
2585 static const struct snd_kcontrol_new spdif_share_sw
= {
2586 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
2587 .name
= "IEC958 Default PCM Playback Switch",
2588 .info
= snd_ctl_boolean_mono_info
,
2589 .get
= spdif_share_sw_get
,
2590 .put
= spdif_share_sw_put
,
2594 * snd_hda_create_spdif_share_sw - create Default PCM switch
2595 * @codec: the HDA codec
2596 * @mout: multi-out instance
2598 int snd_hda_create_spdif_share_sw(struct hda_codec
*codec
,
2599 struct hda_multi_out
*mout
)
2601 struct snd_kcontrol
*kctl
;
2603 if (!mout
->dig_out_nid
)
2606 kctl
= snd_ctl_new1(&spdif_share_sw
, mout
);
2609 /* ATTENTION: here mout is passed as private_data, instead of codec */
2610 return snd_hda_ctl_add(codec
, mout
->dig_out_nid
, kctl
);
2612 EXPORT_SYMBOL_GPL(snd_hda_create_spdif_share_sw
);
2618 #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
2620 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol
*kcontrol
,
2621 struct snd_ctl_elem_value
*ucontrol
)
2623 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2625 ucontrol
->value
.integer
.value
[0] = codec
->spdif_in_enable
;
2629 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol
*kcontrol
,
2630 struct snd_ctl_elem_value
*ucontrol
)
2632 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2633 hda_nid_t nid
= kcontrol
->private_value
;
2634 unsigned int val
= !!ucontrol
->value
.integer
.value
[0];
2637 mutex_lock(&codec
->spdif_mutex
);
2638 change
= codec
->spdif_in_enable
!= val
;
2640 codec
->spdif_in_enable
= val
;
2641 snd_hdac_regmap_write(&codec
->core
, nid
,
2642 AC_VERB_SET_DIGI_CONVERT_1
, val
);
2644 mutex_unlock(&codec
->spdif_mutex
);
2648 static int snd_hda_spdif_in_status_get(struct snd_kcontrol
*kcontrol
,
2649 struct snd_ctl_elem_value
*ucontrol
)
2651 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2652 hda_nid_t nid
= kcontrol
->private_value
;
2656 snd_hdac_regmap_read(&codec
->core
, nid
,
2657 AC_VERB_GET_DIGI_CONVERT_1
, &val
);
2658 sbits
= convert_to_spdif_status(val
);
2659 ucontrol
->value
.iec958
.status
[0] = sbits
;
2660 ucontrol
->value
.iec958
.status
[1] = sbits
>> 8;
2661 ucontrol
->value
.iec958
.status
[2] = sbits
>> 16;
2662 ucontrol
->value
.iec958
.status
[3] = sbits
>> 24;
2666 static struct snd_kcontrol_new dig_in_ctls
[] = {
2668 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
2669 .name
= SNDRV_CTL_NAME_IEC958("", CAPTURE
, SWITCH
),
2670 .info
= snd_hda_spdif_in_switch_info
,
2671 .get
= snd_hda_spdif_in_switch_get
,
2672 .put
= snd_hda_spdif_in_switch_put
,
2675 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
2676 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
2677 .name
= SNDRV_CTL_NAME_IEC958("", CAPTURE
, DEFAULT
),
2678 .info
= snd_hda_spdif_mask_info
,
2679 .get
= snd_hda_spdif_in_status_get
,
2685 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
2686 * @codec: the HDA codec
2687 * @nid: audio in widget NID
2689 * Creates controls related with the SPDIF input.
2690 * Called from each patch supporting the SPDIF in.
2692 * Returns 0 if successful, or a negative error code.
2694 int snd_hda_create_spdif_in_ctls(struct hda_codec
*codec
, hda_nid_t nid
)
2697 struct snd_kcontrol
*kctl
;
2698 struct snd_kcontrol_new
*dig_mix
;
2701 idx
= find_empty_mixer_ctl_idx(codec
, "IEC958 Capture Switch", 0);
2703 codec_err(codec
, "too many IEC958 inputs\n");
2706 for (dig_mix
= dig_in_ctls
; dig_mix
->name
; dig_mix
++) {
2707 kctl
= snd_ctl_new1(dig_mix
, codec
);
2710 kctl
->private_value
= nid
;
2711 err
= snd_hda_ctl_add(codec
, nid
, kctl
);
2715 codec
->spdif_in_enable
=
2716 snd_hda_codec_read(codec
, nid
, 0,
2717 AC_VERB_GET_DIGI_CONVERT_1
, 0) &
2721 EXPORT_SYMBOL_GPL(snd_hda_create_spdif_in_ctls
);
2724 * snd_hda_codec_set_power_to_all - Set the power state to all widgets
2725 * @codec: the HDA codec
2726 * @fg: function group (not used now)
2727 * @power_state: the power state to set (AC_PWRST_*)
2729 * Set the given power state to all widgets that have the power control.
2730 * If the codec has power_filter set, it evaluates the power state and
2731 * filter out if it's unchanged as D3.
2733 void snd_hda_codec_set_power_to_all(struct hda_codec
*codec
, hda_nid_t fg
,
2734 unsigned int power_state
)
2738 for_each_hda_codec_node(nid
, codec
) {
2739 unsigned int wcaps
= get_wcaps(codec
, nid
);
2740 unsigned int state
= power_state
;
2741 if (!(wcaps
& AC_WCAP_POWER
))
2743 if (codec
->power_filter
) {
2744 state
= codec
->power_filter(codec
, nid
, power_state
);
2745 if (state
!= power_state
&& power_state
== AC_PWRST_D3
)
2748 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_POWER_STATE
,
2752 EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_to_all
);
2755 * snd_hda_codec_eapd_power_filter - A power filter callback for EAPD
2756 * @codec: the HDA codec
2758 * @power_state: power state to evalue
2760 * Don't power down the widget if it controls eapd and EAPD_BTLENABLE is set.
2761 * This can be used a codec power_filter callback.
2763 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec
*codec
,
2765 unsigned int power_state
)
2767 if (nid
== codec
->core
.afg
|| nid
== codec
->core
.mfg
)
2769 if (power_state
== AC_PWRST_D3
&&
2770 get_wcaps_type(get_wcaps(codec
, nid
)) == AC_WID_PIN
&&
2771 (snd_hda_query_pin_caps(codec
, nid
) & AC_PINCAP_EAPD
)) {
2772 int eapd
= snd_hda_codec_read(codec
, nid
, 0,
2773 AC_VERB_GET_EAPD_BTLENABLE
, 0);
2779 EXPORT_SYMBOL_GPL(snd_hda_codec_eapd_power_filter
);
2782 * set power state of the codec, and return the power state
2784 static unsigned int hda_set_power_state(struct hda_codec
*codec
,
2785 unsigned int power_state
)
2787 hda_nid_t fg
= codec
->core
.afg
? codec
->core
.afg
: codec
->core
.mfg
;
2792 /* this delay seems necessary to avoid click noise at power-down */
2793 if (power_state
== AC_PWRST_D3
) {
2794 if (codec
->depop_delay
< 0)
2795 msleep(codec_has_epss(codec
) ? 10 : 100);
2796 else if (codec
->depop_delay
> 0)
2797 msleep(codec
->depop_delay
);
2798 flags
= HDA_RW_NO_RESPONSE_FALLBACK
;
2801 /* repeat power states setting at most 10 times*/
2802 for (count
= 0; count
< 10; count
++) {
2803 if (codec
->patch_ops
.set_power_state
)
2804 codec
->patch_ops
.set_power_state(codec
, fg
,
2807 state
= power_state
;
2808 if (codec
->power_filter
)
2809 state
= codec
->power_filter(codec
, fg
, state
);
2810 if (state
== power_state
|| power_state
!= AC_PWRST_D3
)
2811 snd_hda_codec_read(codec
, fg
, flags
,
2812 AC_VERB_SET_POWER_STATE
,
2814 snd_hda_codec_set_power_to_all(codec
, fg
, power_state
);
2816 state
= snd_hda_sync_power_state(codec
, fg
, power_state
);
2817 if (!(state
& AC_PWRST_ERROR
))
2824 /* sync power states of all widgets;
2825 * this is called at the end of codec parsing
2827 static void sync_power_up_states(struct hda_codec
*codec
)
2831 /* don't care if no filter is used */
2832 if (!codec
->power_filter
)
2835 for_each_hda_codec_node(nid
, codec
) {
2836 unsigned int wcaps
= get_wcaps(codec
, nid
);
2837 unsigned int target
;
2838 if (!(wcaps
& AC_WCAP_POWER
))
2840 target
= codec
->power_filter(codec
, nid
, AC_PWRST_D0
);
2841 if (target
== AC_PWRST_D0
)
2843 if (!snd_hda_check_power_state(codec
, nid
, target
))
2844 snd_hda_codec_write(codec
, nid
, 0,
2845 AC_VERB_SET_POWER_STATE
, target
);
2849 #ifdef CONFIG_SND_HDA_RECONFIG
2850 /* execute additional init verbs */
2851 static void hda_exec_init_verbs(struct hda_codec
*codec
)
2853 if (codec
->init_verbs
.list
)
2854 snd_hda_sequence_write(codec
, codec
->init_verbs
.list
);
2857 static inline void hda_exec_init_verbs(struct hda_codec
*codec
) {}
2861 /* update the power on/off account with the current jiffies */
2862 static void update_power_acct(struct hda_codec
*codec
, bool on
)
2864 unsigned long delta
= jiffies
- codec
->power_jiffies
;
2867 codec
->power_on_acct
+= delta
;
2869 codec
->power_off_acct
+= delta
;
2870 codec
->power_jiffies
+= delta
;
2873 void snd_hda_update_power_acct(struct hda_codec
*codec
)
2875 update_power_acct(codec
, hda_codec_is_power_on(codec
));
2879 * call suspend and power-down; used both from PM and power-save
2880 * this function returns the power state in the end
2882 static unsigned int hda_call_codec_suspend(struct hda_codec
*codec
)
2886 snd_hdac_enter_pm(&codec
->core
);
2887 if (codec
->patch_ops
.suspend
)
2888 codec
->patch_ops
.suspend(codec
);
2889 hda_cleanup_all_streams(codec
);
2890 state
= hda_set_power_state(codec
, AC_PWRST_D3
);
2891 update_power_acct(codec
, true);
2892 snd_hdac_leave_pm(&codec
->core
);
2897 * kick up codec; used both from PM and power-save
2899 static void hda_call_codec_resume(struct hda_codec
*codec
)
2901 snd_hdac_enter_pm(&codec
->core
);
2902 if (codec
->core
.regmap
)
2903 regcache_mark_dirty(codec
->core
.regmap
);
2905 codec
->power_jiffies
= jiffies
;
2907 hda_set_power_state(codec
, AC_PWRST_D0
);
2908 restore_shutup_pins(codec
);
2909 hda_exec_init_verbs(codec
);
2910 snd_hda_jack_set_dirty_all(codec
);
2911 if (codec
->patch_ops
.resume
)
2912 codec
->patch_ops
.resume(codec
);
2914 if (codec
->patch_ops
.init
)
2915 codec
->patch_ops
.init(codec
);
2916 if (codec
->core
.regmap
)
2917 regcache_sync(codec
->core
.regmap
);
2920 if (codec
->jackpoll_interval
)
2921 hda_jackpoll_work(&codec
->jackpoll_work
.work
);
2923 snd_hda_jack_report_sync(codec
);
2924 codec
->core
.dev
.power
.power_state
= PMSG_ON
;
2925 snd_hdac_leave_pm(&codec
->core
);
2928 static int hda_codec_runtime_suspend(struct device
*dev
)
2930 struct hda_codec
*codec
= dev_to_hda_codec(dev
);
2933 cancel_delayed_work_sync(&codec
->jackpoll_work
);
2934 state
= hda_call_codec_suspend(codec
);
2935 if (codec
->link_down_at_suspend
||
2936 (codec_has_clkstop(codec
) && codec_has_epss(codec
) &&
2937 (state
& AC_PWRST_CLK_STOP_OK
)))
2938 snd_hdac_codec_link_down(&codec
->core
);
2939 codec_display_power(codec
, false);
2943 static int hda_codec_runtime_resume(struct device
*dev
)
2945 struct hda_codec
*codec
= dev_to_hda_codec(dev
);
2947 codec_display_power(codec
, true);
2948 snd_hdac_codec_link_up(&codec
->core
);
2949 hda_call_codec_resume(codec
);
2950 pm_runtime_mark_last_busy(dev
);
2953 #endif /* CONFIG_PM */
2955 #ifdef CONFIG_PM_SLEEP
2956 static int hda_codec_force_resume(struct device
*dev
)
2960 /* The get/put pair below enforces the runtime resume even if the
2961 * device hasn't been used at suspend time. This trick is needed to
2962 * update the jack state change during the sleep.
2964 pm_runtime_get_noresume(dev
);
2965 ret
= pm_runtime_force_resume(dev
);
2966 pm_runtime_put(dev
);
2970 static int hda_codec_pm_suspend(struct device
*dev
)
2972 dev
->power
.power_state
= PMSG_SUSPEND
;
2973 return pm_runtime_force_suspend(dev
);
2976 static int hda_codec_pm_resume(struct device
*dev
)
2978 dev
->power
.power_state
= PMSG_RESUME
;
2979 return hda_codec_force_resume(dev
);
2982 static int hda_codec_pm_freeze(struct device
*dev
)
2984 dev
->power
.power_state
= PMSG_FREEZE
;
2985 return pm_runtime_force_suspend(dev
);
2988 static int hda_codec_pm_thaw(struct device
*dev
)
2990 dev
->power
.power_state
= PMSG_THAW
;
2991 return hda_codec_force_resume(dev
);
2994 static int hda_codec_pm_restore(struct device
*dev
)
2996 dev
->power
.power_state
= PMSG_RESTORE
;
2997 return hda_codec_force_resume(dev
);
2999 #endif /* CONFIG_PM_SLEEP */
3001 /* referred in hda_bind.c */
3002 const struct dev_pm_ops hda_codec_driver_pm
= {
3003 #ifdef CONFIG_PM_SLEEP
3004 .suspend
= hda_codec_pm_suspend
,
3005 .resume
= hda_codec_pm_resume
,
3006 .freeze
= hda_codec_pm_freeze
,
3007 .thaw
= hda_codec_pm_thaw
,
3008 .poweroff
= hda_codec_pm_suspend
,
3009 .restore
= hda_codec_pm_restore
,
3010 #endif /* CONFIG_PM_SLEEP */
3011 SET_RUNTIME_PM_OPS(hda_codec_runtime_suspend
, hda_codec_runtime_resume
,
3016 * add standard channel maps if not specified
3018 static int add_std_chmaps(struct hda_codec
*codec
)
3020 struct hda_pcm
*pcm
;
3023 list_for_each_entry(pcm
, &codec
->pcm_list_head
, list
) {
3024 for (str
= 0; str
< 2; str
++) {
3025 struct hda_pcm_stream
*hinfo
= &pcm
->stream
[str
];
3026 struct snd_pcm_chmap
*chmap
;
3027 const struct snd_pcm_chmap_elem
*elem
;
3029 if (!pcm
->pcm
|| pcm
->own_chmap
|| !hinfo
->substreams
)
3031 elem
= hinfo
->chmap
? hinfo
->chmap
: snd_pcm_std_chmaps
;
3032 err
= snd_pcm_add_chmap_ctls(pcm
->pcm
, str
, elem
,
3033 hinfo
->channels_max
,
3037 chmap
->channel_mask
= SND_PCM_CHMAP_MASK_2468
;
3043 /* default channel maps for 2.1 speakers;
3044 * since HD-audio supports only stereo, odd number channels are omitted
3046 const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps
[] = {
3048 .map
= { SNDRV_CHMAP_FL
, SNDRV_CHMAP_FR
} },
3050 .map
= { SNDRV_CHMAP_FL
, SNDRV_CHMAP_FR
,
3051 SNDRV_CHMAP_LFE
, SNDRV_CHMAP_LFE
} },
3054 EXPORT_SYMBOL_GPL(snd_pcm_2_1_chmaps
);
3056 int snd_hda_codec_build_controls(struct hda_codec
*codec
)
3059 hda_exec_init_verbs(codec
);
3060 /* continue to initialize... */
3061 if (codec
->patch_ops
.init
)
3062 err
= codec
->patch_ops
.init(codec
);
3063 if (!err
&& codec
->patch_ops
.build_controls
)
3064 err
= codec
->patch_ops
.build_controls(codec
);
3068 /* we create chmaps here instead of build_pcms */
3069 err
= add_std_chmaps(codec
);
3073 if (codec
->jackpoll_interval
)
3074 hda_jackpoll_work(&codec
->jackpoll_work
.work
);
3076 snd_hda_jack_report_sync(codec
); /* call at the last init point */
3077 sync_power_up_states(codec
);
3080 EXPORT_SYMBOL_GPL(snd_hda_codec_build_controls
);
3085 static int hda_pcm_default_open_close(struct hda_pcm_stream
*hinfo
,
3086 struct hda_codec
*codec
,
3087 struct snd_pcm_substream
*substream
)
3092 static int hda_pcm_default_prepare(struct hda_pcm_stream
*hinfo
,
3093 struct hda_codec
*codec
,
3094 unsigned int stream_tag
,
3095 unsigned int format
,
3096 struct snd_pcm_substream
*substream
)
3098 snd_hda_codec_setup_stream(codec
, hinfo
->nid
, stream_tag
, 0, format
);
3102 static int hda_pcm_default_cleanup(struct hda_pcm_stream
*hinfo
,
3103 struct hda_codec
*codec
,
3104 struct snd_pcm_substream
*substream
)
3106 snd_hda_codec_cleanup_stream(codec
, hinfo
->nid
);
3110 static int set_pcm_default_values(struct hda_codec
*codec
,
3111 struct hda_pcm_stream
*info
)
3115 /* query support PCM information from the given NID */
3116 if (info
->nid
&& (!info
->rates
|| !info
->formats
)) {
3117 err
= snd_hda_query_supported_pcm(codec
, info
->nid
,
3118 info
->rates
? NULL
: &info
->rates
,
3119 info
->formats
? NULL
: &info
->formats
,
3120 info
->maxbps
? NULL
: &info
->maxbps
);
3124 if (info
->ops
.open
== NULL
)
3125 info
->ops
.open
= hda_pcm_default_open_close
;
3126 if (info
->ops
.close
== NULL
)
3127 info
->ops
.close
= hda_pcm_default_open_close
;
3128 if (info
->ops
.prepare
== NULL
) {
3129 if (snd_BUG_ON(!info
->nid
))
3131 info
->ops
.prepare
= hda_pcm_default_prepare
;
3133 if (info
->ops
.cleanup
== NULL
) {
3134 if (snd_BUG_ON(!info
->nid
))
3136 info
->ops
.cleanup
= hda_pcm_default_cleanup
;
3142 * codec prepare/cleanup entries
3145 * snd_hda_codec_prepare - Prepare a stream
3146 * @codec: the HDA codec
3147 * @hinfo: PCM information
3148 * @stream: stream tag to assign
3149 * @format: format id to assign
3150 * @substream: PCM substream to assign
3152 * Calls the prepare callback set by the codec with the given arguments.
3153 * Clean up the inactive streams when successful.
3155 int snd_hda_codec_prepare(struct hda_codec
*codec
,
3156 struct hda_pcm_stream
*hinfo
,
3157 unsigned int stream
,
3158 unsigned int format
,
3159 struct snd_pcm_substream
*substream
)
3162 mutex_lock(&codec
->bus
->prepare_mutex
);
3163 if (hinfo
->ops
.prepare
)
3164 ret
= hinfo
->ops
.prepare(hinfo
, codec
, stream
, format
,
3169 purify_inactive_streams(codec
);
3170 mutex_unlock(&codec
->bus
->prepare_mutex
);
3173 EXPORT_SYMBOL_GPL(snd_hda_codec_prepare
);
3176 * snd_hda_codec_cleanup - Prepare a stream
3177 * @codec: the HDA codec
3178 * @hinfo: PCM information
3179 * @substream: PCM substream
3181 * Calls the cleanup callback set by the codec with the given arguments.
3183 void snd_hda_codec_cleanup(struct hda_codec
*codec
,
3184 struct hda_pcm_stream
*hinfo
,
3185 struct snd_pcm_substream
*substream
)
3187 mutex_lock(&codec
->bus
->prepare_mutex
);
3188 if (hinfo
->ops
.cleanup
)
3189 hinfo
->ops
.cleanup(hinfo
, codec
, substream
);
3190 mutex_unlock(&codec
->bus
->prepare_mutex
);
3192 EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup
);
3195 const char *snd_hda_pcm_type_name
[HDA_PCM_NTYPES
] = {
3196 "Audio", "SPDIF", "HDMI", "Modem"
3200 * get the empty PCM device number to assign
3202 static int get_empty_pcm_device(struct hda_bus
*bus
, unsigned int type
)
3204 /* audio device indices; not linear to keep compatibility */
3205 /* assigned to static slots up to dev#10; if more needed, assign
3206 * the later slot dynamically (when CONFIG_SND_DYNAMIC_MINORS=y)
3208 static int audio_idx
[HDA_PCM_NTYPES
][5] = {
3209 [HDA_PCM_TYPE_AUDIO
] = { 0, 2, 4, 5, -1 },
3210 [HDA_PCM_TYPE_SPDIF
] = { 1, -1 },
3211 [HDA_PCM_TYPE_HDMI
] = { 3, 7, 8, 9, -1 },
3212 [HDA_PCM_TYPE_MODEM
] = { 6, -1 },
3216 if (type
>= HDA_PCM_NTYPES
) {
3217 dev_err(bus
->card
->dev
, "Invalid PCM type %d\n", type
);
3221 for (i
= 0; audio_idx
[type
][i
] >= 0; i
++) {
3222 #ifndef CONFIG_SND_DYNAMIC_MINORS
3223 if (audio_idx
[type
][i
] >= 8)
3226 if (!test_and_set_bit(audio_idx
[type
][i
], bus
->pcm_dev_bits
))
3227 return audio_idx
[type
][i
];
3230 #ifdef CONFIG_SND_DYNAMIC_MINORS
3231 /* non-fixed slots starting from 10 */
3232 for (i
= 10; i
< 32; i
++) {
3233 if (!test_and_set_bit(i
, bus
->pcm_dev_bits
))
3238 dev_warn(bus
->card
->dev
, "Too many %s devices\n",
3239 snd_hda_pcm_type_name
[type
]);
3240 #ifndef CONFIG_SND_DYNAMIC_MINORS
3241 dev_warn(bus
->card
->dev
,
3242 "Consider building the kernel with CONFIG_SND_DYNAMIC_MINORS=y\n");
3247 /* call build_pcms ops of the given codec and set up the default parameters */
3248 int snd_hda_codec_parse_pcms(struct hda_codec
*codec
)
3250 struct hda_pcm
*cpcm
;
3253 if (!list_empty(&codec
->pcm_list_head
))
3254 return 0; /* already parsed */
3256 if (!codec
->patch_ops
.build_pcms
)
3259 err
= codec
->patch_ops
.build_pcms(codec
);
3261 codec_err(codec
, "cannot build PCMs for #%d (error %d)\n",
3262 codec
->core
.addr
, err
);
3266 list_for_each_entry(cpcm
, &codec
->pcm_list_head
, list
) {
3269 for (stream
= 0; stream
< 2; stream
++) {
3270 struct hda_pcm_stream
*info
= &cpcm
->stream
[stream
];
3272 if (!info
->substreams
)
3274 err
= set_pcm_default_values(codec
, info
);
3277 "fail to setup default for PCM %s\n",
3286 EXPORT_SYMBOL_GPL(snd_hda_codec_parse_pcms
);
3288 /* assign all PCMs of the given codec */
3289 int snd_hda_codec_build_pcms(struct hda_codec
*codec
)
3291 struct hda_bus
*bus
= codec
->bus
;
3292 struct hda_pcm
*cpcm
;
3295 err
= snd_hda_codec_parse_pcms(codec
);
3299 /* attach a new PCM streams */
3300 list_for_each_entry(cpcm
, &codec
->pcm_list_head
, list
) {
3302 continue; /* already attached */
3303 if (!cpcm
->stream
[0].substreams
&& !cpcm
->stream
[1].substreams
)
3304 continue; /* no substreams assigned */
3306 dev
= get_empty_pcm_device(bus
, cpcm
->pcm_type
);
3308 cpcm
->device
= SNDRV_PCM_INVALID_DEVICE
;
3309 continue; /* no fatal error */
3312 err
= snd_hda_attach_pcm_stream(bus
, codec
, cpcm
);
3315 "cannot attach PCM stream %d for codec #%d\n",
3316 dev
, codec
->core
.addr
);
3317 continue; /* no fatal error */
3325 * snd_hda_add_new_ctls - create controls from the array
3326 * @codec: the HDA codec
3327 * @knew: the array of struct snd_kcontrol_new
3329 * This helper function creates and add new controls in the given array.
3330 * The array must be terminated with an empty entry as terminator.
3332 * Returns 0 if successful, or a negative error code.
3334 int snd_hda_add_new_ctls(struct hda_codec
*codec
,
3335 const struct snd_kcontrol_new
*knew
)
3339 for (; knew
->name
; knew
++) {
3340 struct snd_kcontrol
*kctl
;
3341 int addr
= 0, idx
= 0;
3342 if (knew
->iface
== (__force snd_ctl_elem_iface_t
)-1)
3343 continue; /* skip this codec private value */
3345 kctl
= snd_ctl_new1(knew
, codec
);
3349 kctl
->id
.device
= addr
;
3351 kctl
->id
.index
= idx
;
3352 err
= snd_hda_ctl_add(codec
, 0, kctl
);
3355 /* try first with another device index corresponding to
3356 * the codec addr; if it still fails (or it's the
3357 * primary codec), then try another control index
3359 if (!addr
&& codec
->core
.addr
)
3360 addr
= codec
->core
.addr
;
3361 else if (!idx
&& !knew
->index
) {
3362 idx
= find_empty_mixer_ctl_idx(codec
,
3372 EXPORT_SYMBOL_GPL(snd_hda_add_new_ctls
);
3375 static void codec_set_power_save(struct hda_codec
*codec
, int delay
)
3377 struct device
*dev
= hda_codec_dev(codec
);
3379 if (delay
== 0 && codec
->auto_runtime_pm
)
3383 pm_runtime_set_autosuspend_delay(dev
, delay
);
3384 pm_runtime_use_autosuspend(dev
);
3385 pm_runtime_allow(dev
);
3386 if (!pm_runtime_suspended(dev
))
3387 pm_runtime_mark_last_busy(dev
);
3389 pm_runtime_dont_use_autosuspend(dev
);
3390 pm_runtime_forbid(dev
);
3395 * snd_hda_set_power_save - reprogram autosuspend for the given delay
3396 * @bus: HD-audio bus
3397 * @delay: autosuspend delay in msec, 0 = off
3399 * Synchronize the runtime PM autosuspend state from the power_save option.
3401 void snd_hda_set_power_save(struct hda_bus
*bus
, int delay
)
3403 struct hda_codec
*c
;
3405 list_for_each_codec(c
, bus
)
3406 codec_set_power_save(c
, delay
);
3408 EXPORT_SYMBOL_GPL(snd_hda_set_power_save
);
3411 * snd_hda_check_amp_list_power - Check the amp list and update the power
3412 * @codec: HD-audio codec
3413 * @check: the object containing an AMP list and the status
3414 * @nid: NID to check / update
3416 * Check whether the given NID is in the amp list. If it's in the list,
3417 * check the current AMP status, and update the the power-status according
3418 * to the mute status.
3420 * This function is supposed to be set or called from the check_power_status
3423 int snd_hda_check_amp_list_power(struct hda_codec
*codec
,
3424 struct hda_loopback_check
*check
,
3427 const struct hda_amp_list
*p
;
3430 if (!check
->amplist
)
3432 for (p
= check
->amplist
; p
->nid
; p
++) {
3437 return 0; /* nothing changed */
3439 for (p
= check
->amplist
; p
->nid
; p
++) {
3440 for (ch
= 0; ch
< 2; ch
++) {
3441 v
= snd_hda_codec_amp_read(codec
, p
->nid
, ch
, p
->dir
,
3443 if (!(v
& HDA_AMP_MUTE
) && v
> 0) {
3444 if (!check
->power_on
) {
3445 check
->power_on
= 1;
3446 snd_hda_power_up_pm(codec
);
3452 if (check
->power_on
) {
3453 check
->power_on
= 0;
3454 snd_hda_power_down_pm(codec
);
3458 EXPORT_SYMBOL_GPL(snd_hda_check_amp_list_power
);
3466 * snd_hda_input_mux_info_info - Info callback helper for the input-mux enum
3467 * @imux: imux helper object
3468 * @uinfo: pointer to get/store the data
3470 int snd_hda_input_mux_info(const struct hda_input_mux
*imux
,
3471 struct snd_ctl_elem_info
*uinfo
)
3475 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_ENUMERATED
;
3477 uinfo
->value
.enumerated
.items
= imux
->num_items
;
3478 if (!imux
->num_items
)
3480 index
= uinfo
->value
.enumerated
.item
;
3481 if (index
>= imux
->num_items
)
3482 index
= imux
->num_items
- 1;
3483 strcpy(uinfo
->value
.enumerated
.name
, imux
->items
[index
].label
);
3486 EXPORT_SYMBOL_GPL(snd_hda_input_mux_info
);
3489 * snd_hda_input_mux_info_put - Put callback helper for the input-mux enum
3490 * @codec: the HDA codec
3491 * @imux: imux helper object
3492 * @ucontrol: pointer to get/store the data
3493 * @nid: input mux NID
3494 * @cur_val: pointer to get/store the current imux value
3496 int snd_hda_input_mux_put(struct hda_codec
*codec
,
3497 const struct hda_input_mux
*imux
,
3498 struct snd_ctl_elem_value
*ucontrol
,
3500 unsigned int *cur_val
)
3504 if (!imux
->num_items
)
3506 idx
= ucontrol
->value
.enumerated
.item
[0];
3507 if (idx
>= imux
->num_items
)
3508 idx
= imux
->num_items
- 1;
3509 if (*cur_val
== idx
)
3511 snd_hda_codec_write_cache(codec
, nid
, 0, AC_VERB_SET_CONNECT_SEL
,
3512 imux
->items
[idx
].index
);
3516 EXPORT_SYMBOL_GPL(snd_hda_input_mux_put
);
3520 * snd_hda_enum_helper_info - Helper for simple enum ctls
3521 * @kcontrol: ctl element
3522 * @uinfo: pointer to get/store the data
3523 * @num_items: number of enum items
3524 * @texts: enum item string array
3526 * process kcontrol info callback of a simple string enum array
3527 * when @num_items is 0 or @texts is NULL, assume a boolean enum array
3529 int snd_hda_enum_helper_info(struct snd_kcontrol
*kcontrol
,
3530 struct snd_ctl_elem_info
*uinfo
,
3531 int num_items
, const char * const *texts
)
3533 static const char * const texts_default
[] = {
3534 "Disabled", "Enabled"
3537 if (!texts
|| !num_items
) {
3539 texts
= texts_default
;
3542 return snd_ctl_enum_info(uinfo
, 1, num_items
, texts
);
3544 EXPORT_SYMBOL_GPL(snd_hda_enum_helper_info
);
3547 * Multi-channel / digital-out PCM helper functions
3550 /* setup SPDIF output stream */
3551 static void setup_dig_out_stream(struct hda_codec
*codec
, hda_nid_t nid
,
3552 unsigned int stream_tag
, unsigned int format
)
3554 struct hda_spdif_out
*spdif
;
3555 unsigned int curr_fmt
;
3558 spdif
= snd_hda_spdif_out_of_nid(codec
, nid
);
3559 /* Add sanity check to pass klockwork check.
3560 * This should never happen.
3562 if (WARN_ON(spdif
== NULL
))
3565 curr_fmt
= snd_hda_codec_read(codec
, nid
, 0,
3566 AC_VERB_GET_STREAM_FORMAT
, 0);
3567 reset
= codec
->spdif_status_reset
&&
3568 (spdif
->ctls
& AC_DIG1_ENABLE
) &&
3571 /* turn off SPDIF if needed; otherwise the IEC958 bits won't be
3574 set_dig_out_convert(codec
, nid
,
3575 spdif
->ctls
& ~AC_DIG1_ENABLE
& 0xff,
3577 snd_hda_codec_setup_stream(codec
, nid
, stream_tag
, 0, format
);
3578 if (codec
->slave_dig_outs
) {
3580 for (d
= codec
->slave_dig_outs
; *d
; d
++)
3581 snd_hda_codec_setup_stream(codec
, *d
, stream_tag
, 0,
3584 /* turn on again (if needed) */
3586 set_dig_out_convert(codec
, nid
,
3587 spdif
->ctls
& 0xff, -1);
3590 static void cleanup_dig_out_stream(struct hda_codec
*codec
, hda_nid_t nid
)
3592 snd_hda_codec_cleanup_stream(codec
, nid
);
3593 if (codec
->slave_dig_outs
) {
3595 for (d
= codec
->slave_dig_outs
; *d
; d
++)
3596 snd_hda_codec_cleanup_stream(codec
, *d
);
3601 * snd_hda_multi_out_dig_open - open the digital out in the exclusive mode
3602 * @codec: the HDA codec
3603 * @mout: hda_multi_out object
3605 int snd_hda_multi_out_dig_open(struct hda_codec
*codec
,
3606 struct hda_multi_out
*mout
)
3608 mutex_lock(&codec
->spdif_mutex
);
3609 if (mout
->dig_out_used
== HDA_DIG_ANALOG_DUP
)
3610 /* already opened as analog dup; reset it once */
3611 cleanup_dig_out_stream(codec
, mout
->dig_out_nid
);
3612 mout
->dig_out_used
= HDA_DIG_EXCLUSIVE
;
3613 mutex_unlock(&codec
->spdif_mutex
);
3616 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_open
);
3619 * snd_hda_multi_out_dig_prepare - prepare the digital out stream
3620 * @codec: the HDA codec
3621 * @mout: hda_multi_out object
3622 * @stream_tag: stream tag to assign
3623 * @format: format id to assign
3624 * @substream: PCM substream to assign
3626 int snd_hda_multi_out_dig_prepare(struct hda_codec
*codec
,
3627 struct hda_multi_out
*mout
,
3628 unsigned int stream_tag
,
3629 unsigned int format
,
3630 struct snd_pcm_substream
*substream
)
3632 mutex_lock(&codec
->spdif_mutex
);
3633 setup_dig_out_stream(codec
, mout
->dig_out_nid
, stream_tag
, format
);
3634 mutex_unlock(&codec
->spdif_mutex
);
3637 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_prepare
);
3640 * snd_hda_multi_out_dig_cleanup - clean-up the digital out stream
3641 * @codec: the HDA codec
3642 * @mout: hda_multi_out object
3644 int snd_hda_multi_out_dig_cleanup(struct hda_codec
*codec
,
3645 struct hda_multi_out
*mout
)
3647 mutex_lock(&codec
->spdif_mutex
);
3648 cleanup_dig_out_stream(codec
, mout
->dig_out_nid
);
3649 mutex_unlock(&codec
->spdif_mutex
);
3652 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_cleanup
);
3655 * snd_hda_multi_out_dig_close - release the digital out stream
3656 * @codec: the HDA codec
3657 * @mout: hda_multi_out object
3659 int snd_hda_multi_out_dig_close(struct hda_codec
*codec
,
3660 struct hda_multi_out
*mout
)
3662 mutex_lock(&codec
->spdif_mutex
);
3663 mout
->dig_out_used
= 0;
3664 mutex_unlock(&codec
->spdif_mutex
);
3667 EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_close
);
3670 * snd_hda_multi_out_analog_open - open analog outputs
3671 * @codec: the HDA codec
3672 * @mout: hda_multi_out object
3673 * @substream: PCM substream to assign
3674 * @hinfo: PCM information to assign
3676 * Open analog outputs and set up the hw-constraints.
3677 * If the digital outputs can be opened as slave, open the digital
3680 int snd_hda_multi_out_analog_open(struct hda_codec
*codec
,
3681 struct hda_multi_out
*mout
,
3682 struct snd_pcm_substream
*substream
,
3683 struct hda_pcm_stream
*hinfo
)
3685 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
3686 runtime
->hw
.channels_max
= mout
->max_channels
;
3687 if (mout
->dig_out_nid
) {
3688 if (!mout
->analog_rates
) {
3689 mout
->analog_rates
= hinfo
->rates
;
3690 mout
->analog_formats
= hinfo
->formats
;
3691 mout
->analog_maxbps
= hinfo
->maxbps
;
3693 runtime
->hw
.rates
= mout
->analog_rates
;
3694 runtime
->hw
.formats
= mout
->analog_formats
;
3695 hinfo
->maxbps
= mout
->analog_maxbps
;
3697 if (!mout
->spdif_rates
) {
3698 snd_hda_query_supported_pcm(codec
, mout
->dig_out_nid
,
3700 &mout
->spdif_formats
,
3701 &mout
->spdif_maxbps
);
3703 mutex_lock(&codec
->spdif_mutex
);
3704 if (mout
->share_spdif
) {
3705 if ((runtime
->hw
.rates
& mout
->spdif_rates
) &&
3706 (runtime
->hw
.formats
& mout
->spdif_formats
)) {
3707 runtime
->hw
.rates
&= mout
->spdif_rates
;
3708 runtime
->hw
.formats
&= mout
->spdif_formats
;
3709 if (mout
->spdif_maxbps
< hinfo
->maxbps
)
3710 hinfo
->maxbps
= mout
->spdif_maxbps
;
3712 mout
->share_spdif
= 0;
3713 /* FIXME: need notify? */
3716 mutex_unlock(&codec
->spdif_mutex
);
3718 return snd_pcm_hw_constraint_step(substream
->runtime
, 0,
3719 SNDRV_PCM_HW_PARAM_CHANNELS
, 2);
3721 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_open
);
3724 * snd_hda_multi_out_analog_prepare - Preapre the analog outputs.
3725 * @codec: the HDA codec
3726 * @mout: hda_multi_out object
3727 * @stream_tag: stream tag to assign
3728 * @format: format id to assign
3729 * @substream: PCM substream to assign
3731 * Set up the i/o for analog out.
3732 * When the digital out is available, copy the front out to digital out, too.
3734 int snd_hda_multi_out_analog_prepare(struct hda_codec
*codec
,
3735 struct hda_multi_out
*mout
,
3736 unsigned int stream_tag
,
3737 unsigned int format
,
3738 struct snd_pcm_substream
*substream
)
3740 const hda_nid_t
*nids
= mout
->dac_nids
;
3741 int chs
= substream
->runtime
->channels
;
3742 struct hda_spdif_out
*spdif
;
3745 mutex_lock(&codec
->spdif_mutex
);
3746 spdif
= snd_hda_spdif_out_of_nid(codec
, mout
->dig_out_nid
);
3747 if (mout
->dig_out_nid
&& mout
->share_spdif
&&
3748 mout
->dig_out_used
!= HDA_DIG_EXCLUSIVE
) {
3749 if (chs
== 2 && spdif
!= NULL
&&
3750 snd_hda_is_supported_format(codec
, mout
->dig_out_nid
,
3752 !(spdif
->status
& IEC958_AES0_NONAUDIO
)) {
3753 mout
->dig_out_used
= HDA_DIG_ANALOG_DUP
;
3754 setup_dig_out_stream(codec
, mout
->dig_out_nid
,
3755 stream_tag
, format
);
3757 mout
->dig_out_used
= 0;
3758 cleanup_dig_out_stream(codec
, mout
->dig_out_nid
);
3761 mutex_unlock(&codec
->spdif_mutex
);
3764 snd_hda_codec_setup_stream(codec
, nids
[HDA_FRONT
], stream_tag
,
3766 if (!mout
->no_share_stream
&&
3767 mout
->hp_nid
&& mout
->hp_nid
!= nids
[HDA_FRONT
])
3768 /* headphone out will just decode front left/right (stereo) */
3769 snd_hda_codec_setup_stream(codec
, mout
->hp_nid
, stream_tag
,
3771 /* extra outputs copied from front */
3772 for (i
= 0; i
< ARRAY_SIZE(mout
->hp_out_nid
); i
++)
3773 if (!mout
->no_share_stream
&& mout
->hp_out_nid
[i
])
3774 snd_hda_codec_setup_stream(codec
,
3775 mout
->hp_out_nid
[i
],
3776 stream_tag
, 0, format
);
3779 for (i
= 1; i
< mout
->num_dacs
; i
++) {
3780 if (chs
>= (i
+ 1) * 2) /* independent out */
3781 snd_hda_codec_setup_stream(codec
, nids
[i
], stream_tag
,
3783 else if (!mout
->no_share_stream
) /* copy front */
3784 snd_hda_codec_setup_stream(codec
, nids
[i
], stream_tag
,
3788 /* extra surrounds */
3789 for (i
= 0; i
< ARRAY_SIZE(mout
->extra_out_nid
); i
++) {
3791 if (!mout
->extra_out_nid
[i
])
3793 if (chs
>= (i
+ 1) * 2)
3795 else if (!mout
->no_share_stream
)
3797 snd_hda_codec_setup_stream(codec
, mout
->extra_out_nid
[i
],
3798 stream_tag
, ch
, format
);
3803 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_prepare
);
3806 * snd_hda_multi_out_analog_cleanup - clean up the setting for analog out
3807 * @codec: the HDA codec
3808 * @mout: hda_multi_out object
3810 int snd_hda_multi_out_analog_cleanup(struct hda_codec
*codec
,
3811 struct hda_multi_out
*mout
)
3813 const hda_nid_t
*nids
= mout
->dac_nids
;
3816 for (i
= 0; i
< mout
->num_dacs
; i
++)
3817 snd_hda_codec_cleanup_stream(codec
, nids
[i
]);
3819 snd_hda_codec_cleanup_stream(codec
, mout
->hp_nid
);
3820 for (i
= 0; i
< ARRAY_SIZE(mout
->hp_out_nid
); i
++)
3821 if (mout
->hp_out_nid
[i
])
3822 snd_hda_codec_cleanup_stream(codec
,
3823 mout
->hp_out_nid
[i
]);
3824 for (i
= 0; i
< ARRAY_SIZE(mout
->extra_out_nid
); i
++)
3825 if (mout
->extra_out_nid
[i
])
3826 snd_hda_codec_cleanup_stream(codec
,
3827 mout
->extra_out_nid
[i
]);
3828 mutex_lock(&codec
->spdif_mutex
);
3829 if (mout
->dig_out_nid
&& mout
->dig_out_used
== HDA_DIG_ANALOG_DUP
) {
3830 cleanup_dig_out_stream(codec
, mout
->dig_out_nid
);
3831 mout
->dig_out_used
= 0;
3833 mutex_unlock(&codec
->spdif_mutex
);
3836 EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_cleanup
);
3839 * snd_hda_get_default_vref - Get the default (mic) VREF pin bits
3840 * @codec: the HDA codec
3841 * @pin: referred pin NID
3843 * Guess the suitable VREF pin bits to be set as the pin-control value.
3844 * Note: the function doesn't set the AC_PINCTL_IN_EN bit.
3846 unsigned int snd_hda_get_default_vref(struct hda_codec
*codec
, hda_nid_t pin
)
3848 unsigned int pincap
;
3849 unsigned int oldval
;
3850 oldval
= snd_hda_codec_read(codec
, pin
, 0,
3851 AC_VERB_GET_PIN_WIDGET_CONTROL
, 0);
3852 pincap
= snd_hda_query_pin_caps(codec
, pin
);
3853 pincap
= (pincap
& AC_PINCAP_VREF
) >> AC_PINCAP_VREF_SHIFT
;
3854 /* Exception: if the default pin setup is vref50, we give it priority */
3855 if ((pincap
& AC_PINCAP_VREF_80
) && oldval
!= PIN_VREF50
)
3856 return AC_PINCTL_VREF_80
;
3857 else if (pincap
& AC_PINCAP_VREF_50
)
3858 return AC_PINCTL_VREF_50
;
3859 else if (pincap
& AC_PINCAP_VREF_100
)
3860 return AC_PINCTL_VREF_100
;
3861 else if (pincap
& AC_PINCAP_VREF_GRD
)
3862 return AC_PINCTL_VREF_GRD
;
3863 return AC_PINCTL_VREF_HIZ
;
3865 EXPORT_SYMBOL_GPL(snd_hda_get_default_vref
);
3868 * snd_hda_correct_pin_ctl - correct the pin ctl value for matching with the pin cap
3869 * @codec: the HDA codec
3870 * @pin: referred pin NID
3871 * @val: pin ctl value to audit
3873 unsigned int snd_hda_correct_pin_ctl(struct hda_codec
*codec
,
3874 hda_nid_t pin
, unsigned int val
)
3876 static unsigned int cap_lists
[][2] = {
3877 { AC_PINCTL_VREF_100
, AC_PINCAP_VREF_100
},
3878 { AC_PINCTL_VREF_80
, AC_PINCAP_VREF_80
},
3879 { AC_PINCTL_VREF_50
, AC_PINCAP_VREF_50
},
3880 { AC_PINCTL_VREF_GRD
, AC_PINCAP_VREF_GRD
},
3886 cap
= snd_hda_query_pin_caps(codec
, pin
);
3888 return val
; /* don't know what to do... */
3890 if (val
& AC_PINCTL_OUT_EN
) {
3891 if (!(cap
& AC_PINCAP_OUT
))
3892 val
&= ~(AC_PINCTL_OUT_EN
| AC_PINCTL_HP_EN
);
3893 else if ((val
& AC_PINCTL_HP_EN
) && !(cap
& AC_PINCAP_HP_DRV
))
3894 val
&= ~AC_PINCTL_HP_EN
;
3897 if (val
& AC_PINCTL_IN_EN
) {
3898 if (!(cap
& AC_PINCAP_IN
))
3899 val
&= ~(AC_PINCTL_IN_EN
| AC_PINCTL_VREFEN
);
3901 unsigned int vcap
, vref
;
3903 vcap
= (cap
& AC_PINCAP_VREF
) >> AC_PINCAP_VREF_SHIFT
;
3904 vref
= val
& AC_PINCTL_VREFEN
;
3905 for (i
= 0; i
< ARRAY_SIZE(cap_lists
); i
++) {
3906 if (vref
== cap_lists
[i
][0] &&
3907 !(vcap
& cap_lists
[i
][1])) {
3908 if (i
== ARRAY_SIZE(cap_lists
) - 1)
3909 vref
= AC_PINCTL_VREF_HIZ
;
3911 vref
= cap_lists
[i
+ 1][0];
3914 val
&= ~AC_PINCTL_VREFEN
;
3921 EXPORT_SYMBOL_GPL(snd_hda_correct_pin_ctl
);
3924 * _snd_hda_pin_ctl - Helper to set pin ctl value
3925 * @codec: the HDA codec
3926 * @pin: referred pin NID
3927 * @val: pin control value to set
3928 * @cached: access over codec pinctl cache or direct write
3930 * This function is a helper to set a pin ctl value more safely.
3931 * It corrects the pin ctl value via snd_hda_correct_pin_ctl(), stores the
3932 * value in pin target array via snd_hda_codec_set_pin_target(), then
3933 * actually writes the value via either snd_hda_codec_write_cache() or
3934 * snd_hda_codec_write() depending on @cached flag.
3936 int _snd_hda_set_pin_ctl(struct hda_codec
*codec
, hda_nid_t pin
,
3937 unsigned int val
, bool cached
)
3939 val
= snd_hda_correct_pin_ctl(codec
, pin
, val
);
3940 snd_hda_codec_set_pin_target(codec
, pin
, val
);
3942 return snd_hda_codec_write_cache(codec
, pin
, 0,
3943 AC_VERB_SET_PIN_WIDGET_CONTROL
, val
);
3945 return snd_hda_codec_write(codec
, pin
, 0,
3946 AC_VERB_SET_PIN_WIDGET_CONTROL
, val
);
3948 EXPORT_SYMBOL_GPL(_snd_hda_set_pin_ctl
);
3951 * snd_hda_add_imux_item - Add an item to input_mux
3952 * @codec: the HDA codec
3953 * @imux: imux helper object
3954 * @label: the name of imux item to assign
3955 * @index: index number of imux item to assign
3956 * @type_idx: pointer to store the resultant label index
3958 * When the same label is used already in the existing items, the number
3959 * suffix is appended to the label. This label index number is stored
3960 * to type_idx when non-NULL pointer is given.
3962 int snd_hda_add_imux_item(struct hda_codec
*codec
,
3963 struct hda_input_mux
*imux
, const char *label
,
3964 int index
, int *type_idx
)
3966 int i
, label_idx
= 0;
3967 if (imux
->num_items
>= HDA_MAX_NUM_INPUTS
) {
3968 codec_err(codec
, "hda_codec: Too many imux items!\n");
3971 for (i
= 0; i
< imux
->num_items
; i
++) {
3972 if (!strncmp(label
, imux
->items
[i
].label
, strlen(label
)))
3976 *type_idx
= label_idx
;
3978 snprintf(imux
->items
[imux
->num_items
].label
,
3979 sizeof(imux
->items
[imux
->num_items
].label
),
3980 "%s %d", label
, label_idx
);
3982 strlcpy(imux
->items
[imux
->num_items
].label
, label
,
3983 sizeof(imux
->items
[imux
->num_items
].label
));
3984 imux
->items
[imux
->num_items
].index
= index
;
3988 EXPORT_SYMBOL_GPL(snd_hda_add_imux_item
);
3991 * snd_hda_bus_reset_codecs - Reset the bus
3992 * @bus: HD-audio bus
3994 void snd_hda_bus_reset_codecs(struct hda_bus
*bus
)
3996 struct hda_codec
*codec
;
3998 list_for_each_codec(codec
, bus
) {
3999 /* FIXME: maybe a better way needed for forced reset */
4000 if (current_work() != &codec
->jackpoll_work
.work
)
4001 cancel_delayed_work_sync(&codec
->jackpoll_work
);
4003 if (hda_codec_is_power_on(codec
)) {
4004 hda_call_codec_suspend(codec
);
4005 hda_call_codec_resume(codec
);
4012 * snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer
4013 * @pcm: PCM caps bits
4014 * @buf: the string buffer to write
4015 * @buflen: the max buffer length
4017 * used by hda_proc.c and hda_eld.c
4019 void snd_print_pcm_bits(int pcm
, char *buf
, int buflen
)
4021 static unsigned int bits
[] = { 8, 16, 20, 24, 32 };
4024 for (i
= 0, j
= 0; i
< ARRAY_SIZE(bits
); i
++)
4025 if (pcm
& (AC_SUPPCM_BITS_8
<< i
))
4026 j
+= snprintf(buf
+ j
, buflen
- j
, " %d", bits
[i
]);
4028 buf
[j
] = '\0'; /* necessary when j == 0 */
4030 EXPORT_SYMBOL_GPL(snd_print_pcm_bits
);
4032 MODULE_DESCRIPTION("HDA codec core");
4033 MODULE_LICENSE("GPL");