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 <sound/driver.h>
23 #include <linux/init.h>
24 #include <linux/delay.h>
25 #include <linux/slab.h>
26 #include <linux/pci.h>
27 #include <linux/moduleparam.h>
28 #include <linux/mutex.h>
29 #include <sound/core.h>
30 #include "hda_codec.h"
31 #include <sound/asoundef.h>
32 #include <sound/initval.h>
33 #include "hda_local.h"
36 MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
37 MODULE_DESCRIPTION("Universal interface for High Definition Audio Codec");
38 MODULE_LICENSE("GPL");
42 * vendor / preset table
45 struct hda_vendor_id
{
50 /* codec vendor labels */
51 static struct hda_vendor_id hda_vendor_ids
[] = {
52 { 0x10ec, "Realtek" },
53 { 0x11d4, "Analog Devices" },
54 { 0x13f6, "C-Media" },
55 { 0x434d, "C-Media" },
56 { 0x8384, "SigmaTel" },
61 #include "hda_patch.h"
65 * snd_hda_codec_read - send a command and get the response
66 * @codec: the HDA codec
67 * @nid: NID to send the command
68 * @direct: direct flag
69 * @verb: the verb to send
70 * @parm: the parameter for the verb
72 * Send a single command and read the corresponding response.
74 * Returns the obtained response value, or -1 for an error.
76 unsigned int snd_hda_codec_read(struct hda_codec
*codec
, hda_nid_t nid
, int direct
,
77 unsigned int verb
, unsigned int parm
)
80 mutex_lock(&codec
->bus
->cmd_mutex
);
81 if (! codec
->bus
->ops
.command(codec
, nid
, direct
, verb
, parm
))
82 res
= codec
->bus
->ops
.get_response(codec
);
84 res
= (unsigned int)-1;
85 mutex_unlock(&codec
->bus
->cmd_mutex
);
90 * snd_hda_codec_write - send a single command without waiting for response
91 * @codec: the HDA codec
92 * @nid: NID to send the command
93 * @direct: direct flag
94 * @verb: the verb to send
95 * @parm: the parameter for the verb
97 * Send a single command without waiting for response.
99 * Returns 0 if successful, or a negative error code.
101 int snd_hda_codec_write(struct hda_codec
*codec
, hda_nid_t nid
, int direct
,
102 unsigned int verb
, unsigned int parm
)
105 mutex_lock(&codec
->bus
->cmd_mutex
);
106 err
= codec
->bus
->ops
.command(codec
, nid
, direct
, verb
, parm
);
107 mutex_unlock(&codec
->bus
->cmd_mutex
);
112 * snd_hda_sequence_write - sequence writes
113 * @codec: the HDA codec
114 * @seq: VERB array to send
116 * Send the commands sequentially from the given array.
117 * The array must be terminated with NID=0.
119 void snd_hda_sequence_write(struct hda_codec
*codec
, const struct hda_verb
*seq
)
121 for (; seq
->nid
; seq
++)
122 snd_hda_codec_write(codec
, seq
->nid
, 0, seq
->verb
, seq
->param
);
126 * snd_hda_get_sub_nodes - get the range of sub nodes
127 * @codec: the HDA codec
129 * @start_id: the pointer to store the start NID
131 * Parse the NID and store the start NID of its sub-nodes.
132 * Returns the number of sub-nodes.
134 int snd_hda_get_sub_nodes(struct hda_codec
*codec
, hda_nid_t nid
, hda_nid_t
*start_id
)
138 parm
= snd_hda_param_read(codec
, nid
, AC_PAR_NODE_COUNT
);
139 *start_id
= (parm
>> 16) & 0x7fff;
140 return (int)(parm
& 0x7fff);
144 * snd_hda_get_connections - get connection list
145 * @codec: the HDA codec
147 * @conn_list: connection list array
148 * @max_conns: max. number of connections to store
150 * Parses the connection list of the given widget and stores the list
153 * Returns the number of connections, or a negative error code.
155 int snd_hda_get_connections(struct hda_codec
*codec
, hda_nid_t nid
,
156 hda_nid_t
*conn_list
, int max_conns
)
159 int i
, conn_len
, conns
;
160 unsigned int shift
, num_elems
, mask
;
163 snd_assert(conn_list
&& max_conns
> 0, return -EINVAL
);
165 parm
= snd_hda_param_read(codec
, nid
, AC_PAR_CONNLIST_LEN
);
166 if (parm
& AC_CLIST_LONG
) {
175 conn_len
= parm
& AC_CLIST_LENGTH
;
176 mask
= (1 << (shift
-1)) - 1;
179 return 0; /* no connection */
182 /* single connection */
183 parm
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_CONNECT_LIST
, 0);
184 conn_list
[0] = parm
& mask
;
188 /* multi connection */
191 for (i
= 0; i
< conn_len
; i
++) {
195 if (i
% num_elems
== 0)
196 parm
= snd_hda_codec_read(codec
, nid
, 0,
197 AC_VERB_GET_CONNECT_LIST
, i
);
198 range_val
= !! (parm
& (1 << (shift
-1))); /* ranges */
202 /* ranges between the previous and this one */
203 if (! prev_nid
|| prev_nid
>= val
) {
204 snd_printk(KERN_WARNING
"hda_codec: invalid dep_range_val %x:%x\n", prev_nid
, val
);
207 for (n
= prev_nid
+ 1; n
<= val
; n
++) {
208 if (conns
>= max_conns
) {
209 snd_printk(KERN_ERR
"Too many connections\n");
212 conn_list
[conns
++] = n
;
215 if (conns
>= max_conns
) {
216 snd_printk(KERN_ERR
"Too many connections\n");
219 conn_list
[conns
++] = val
;
228 * snd_hda_queue_unsol_event - add an unsolicited event to queue
230 * @res: unsolicited event (lower 32bit of RIRB entry)
231 * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
233 * Adds the given event to the queue. The events are processed in
234 * the workqueue asynchronously. Call this function in the interrupt
235 * hanlder when RIRB receives an unsolicited event.
237 * Returns 0 if successful, or a negative error code.
239 int snd_hda_queue_unsol_event(struct hda_bus
*bus
, u32 res
, u32 res_ex
)
241 struct hda_bus_unsolicited
*unsol
;
244 if ((unsol
= bus
->unsol
) == NULL
)
247 wp
= (unsol
->wp
+ 1) % HDA_UNSOL_QUEUE_SIZE
;
251 unsol
->queue
[wp
] = res
;
252 unsol
->queue
[wp
+ 1] = res_ex
;
254 queue_work(unsol
->workq
, &unsol
->work
);
260 * process queueud unsolicited events
262 static void process_unsol_events(void *data
)
264 struct hda_bus
*bus
= data
;
265 struct hda_bus_unsolicited
*unsol
= bus
->unsol
;
266 struct hda_codec
*codec
;
267 unsigned int rp
, caddr
, res
;
269 while (unsol
->rp
!= unsol
->wp
) {
270 rp
= (unsol
->rp
+ 1) % HDA_UNSOL_QUEUE_SIZE
;
273 res
= unsol
->queue
[rp
];
274 caddr
= unsol
->queue
[rp
+ 1];
275 if (! (caddr
& (1 << 4))) /* no unsolicited event? */
277 codec
= bus
->caddr_tbl
[caddr
& 0x0f];
278 if (codec
&& codec
->patch_ops
.unsol_event
)
279 codec
->patch_ops
.unsol_event(codec
, res
);
284 * initialize unsolicited queue
286 static int init_unsol_queue(struct hda_bus
*bus
)
288 struct hda_bus_unsolicited
*unsol
;
290 if (bus
->unsol
) /* already initialized */
293 unsol
= kzalloc(sizeof(*unsol
), GFP_KERNEL
);
295 snd_printk(KERN_ERR
"hda_codec: can't allocate unsolicited queue\n");
298 unsol
->workq
= create_workqueue("hda_codec");
299 if (! unsol
->workq
) {
300 snd_printk(KERN_ERR
"hda_codec: can't create workqueue\n");
304 INIT_WORK(&unsol
->work
, process_unsol_events
, bus
);
312 static void snd_hda_codec_free(struct hda_codec
*codec
);
314 static int snd_hda_bus_free(struct hda_bus
*bus
)
316 struct list_head
*p
, *n
;
321 destroy_workqueue(bus
->unsol
->workq
);
324 list_for_each_safe(p
, n
, &bus
->codec_list
) {
325 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
326 snd_hda_codec_free(codec
);
328 if (bus
->ops
.private_free
)
329 bus
->ops
.private_free(bus
);
334 static int snd_hda_bus_dev_free(struct snd_device
*device
)
336 struct hda_bus
*bus
= device
->device_data
;
337 return snd_hda_bus_free(bus
);
341 * snd_hda_bus_new - create a HDA bus
342 * @card: the card entry
343 * @temp: the template for hda_bus information
344 * @busp: the pointer to store the created bus instance
346 * Returns 0 if successful, or a negative error code.
348 int snd_hda_bus_new(struct snd_card
*card
, const struct hda_bus_template
*temp
,
349 struct hda_bus
**busp
)
353 static struct snd_device_ops dev_ops
= {
354 .dev_free
= snd_hda_bus_dev_free
,
357 snd_assert(temp
, return -EINVAL
);
358 snd_assert(temp
->ops
.command
&& temp
->ops
.get_response
, return -EINVAL
);
363 bus
= kzalloc(sizeof(*bus
), GFP_KERNEL
);
365 snd_printk(KERN_ERR
"can't allocate struct hda_bus\n");
370 bus
->private_data
= temp
->private_data
;
371 bus
->pci
= temp
->pci
;
372 bus
->modelname
= temp
->modelname
;
373 bus
->ops
= temp
->ops
;
375 mutex_init(&bus
->cmd_mutex
);
376 INIT_LIST_HEAD(&bus
->codec_list
);
378 if ((err
= snd_device_new(card
, SNDRV_DEV_BUS
, bus
, &dev_ops
)) < 0) {
379 snd_hda_bus_free(bus
);
389 * find a matching codec preset
391 static const struct hda_codec_preset
*find_codec_preset(struct hda_codec
*codec
)
393 const struct hda_codec_preset
**tbl
, *preset
;
395 for (tbl
= hda_preset_tables
; *tbl
; tbl
++) {
396 for (preset
= *tbl
; preset
->id
; preset
++) {
397 u32 mask
= preset
->mask
;
400 if (preset
->id
== (codec
->vendor_id
& mask
))
408 * snd_hda_get_codec_name - store the codec name
410 void snd_hda_get_codec_name(struct hda_codec
*codec
,
411 char *name
, int namelen
)
413 const struct hda_vendor_id
*c
;
414 const char *vendor
= NULL
;
415 u16 vendor_id
= codec
->vendor_id
>> 16;
418 for (c
= hda_vendor_ids
; c
->id
; c
++) {
419 if (c
->id
== vendor_id
) {
425 sprintf(tmp
, "Generic %04x", vendor_id
);
428 if (codec
->preset
&& codec
->preset
->name
)
429 snprintf(name
, namelen
, "%s %s", vendor
, codec
->preset
->name
);
431 snprintf(name
, namelen
, "%s ID %x", vendor
, codec
->vendor_id
& 0xffff);
435 * look for an AFG and MFG nodes
437 static void setup_fg_nodes(struct hda_codec
*codec
)
442 total_nodes
= snd_hda_get_sub_nodes(codec
, AC_NODE_ROOT
, &nid
);
443 for (i
= 0; i
< total_nodes
; i
++, nid
++) {
444 switch((snd_hda_param_read(codec
, nid
, AC_PAR_FUNCTION_TYPE
) & 0xff)) {
445 case AC_GRP_AUDIO_FUNCTION
:
448 case AC_GRP_MODEM_FUNCTION
:
458 * read widget caps for each widget and store in cache
460 static int read_widget_caps(struct hda_codec
*codec
, hda_nid_t fg_node
)
465 codec
->num_nodes
= snd_hda_get_sub_nodes(codec
, fg_node
,
467 codec
->wcaps
= kmalloc(codec
->num_nodes
* 4, GFP_KERNEL
);
470 nid
= codec
->start_nid
;
471 for (i
= 0; i
< codec
->num_nodes
; i
++, nid
++)
472 codec
->wcaps
[i
] = snd_hda_param_read(codec
, nid
,
473 AC_PAR_AUDIO_WIDGET_CAP
);
481 static void snd_hda_codec_free(struct hda_codec
*codec
)
485 list_del(&codec
->list
);
486 codec
->bus
->caddr_tbl
[codec
->addr
] = NULL
;
487 if (codec
->patch_ops
.free
)
488 codec
->patch_ops
.free(codec
);
489 kfree(codec
->amp_info
);
494 static void init_amp_hash(struct hda_codec
*codec
);
497 * snd_hda_codec_new - create a HDA codec
498 * @bus: the bus to assign
499 * @codec_addr: the codec address
500 * @codecp: the pointer to store the generated codec
502 * Returns 0 if successful, or a negative error code.
504 int snd_hda_codec_new(struct hda_bus
*bus
, unsigned int codec_addr
,
505 struct hda_codec
**codecp
)
507 struct hda_codec
*codec
;
511 snd_assert(bus
, return -EINVAL
);
512 snd_assert(codec_addr
<= HDA_MAX_CODEC_ADDRESS
, return -EINVAL
);
514 if (bus
->caddr_tbl
[codec_addr
]) {
515 snd_printk(KERN_ERR
"hda_codec: address 0x%x is already occupied\n", codec_addr
);
519 codec
= kzalloc(sizeof(*codec
), GFP_KERNEL
);
521 snd_printk(KERN_ERR
"can't allocate struct hda_codec\n");
526 codec
->addr
= codec_addr
;
527 mutex_init(&codec
->spdif_mutex
);
528 init_amp_hash(codec
);
530 list_add_tail(&codec
->list
, &bus
->codec_list
);
531 bus
->caddr_tbl
[codec_addr
] = codec
;
533 codec
->vendor_id
= snd_hda_param_read(codec
, AC_NODE_ROOT
, AC_PAR_VENDOR_ID
);
534 codec
->subsystem_id
= snd_hda_param_read(codec
, AC_NODE_ROOT
, AC_PAR_SUBSYSTEM_ID
);
535 codec
->revision_id
= snd_hda_param_read(codec
, AC_NODE_ROOT
, AC_PAR_REV_ID
);
537 setup_fg_nodes(codec
);
538 if (! codec
->afg
&& ! codec
->mfg
) {
539 snd_printdd("hda_codec: no AFG or MFG node found\n");
540 snd_hda_codec_free(codec
);
544 if (read_widget_caps(codec
, codec
->afg
? codec
->afg
: codec
->mfg
) < 0) {
545 snd_printk(KERN_ERR
"hda_codec: cannot malloc\n");
546 snd_hda_codec_free(codec
);
550 if (! codec
->subsystem_id
) {
551 hda_nid_t nid
= codec
->afg
? codec
->afg
: codec
->mfg
;
552 codec
->subsystem_id
= snd_hda_codec_read(codec
, nid
, 0,
553 AC_VERB_GET_SUBSYSTEM_ID
,
557 codec
->preset
= find_codec_preset(codec
);
558 if (! *bus
->card
->mixername
)
559 snd_hda_get_codec_name(codec
, bus
->card
->mixername
,
560 sizeof(bus
->card
->mixername
));
562 if (codec
->preset
&& codec
->preset
->patch
)
563 err
= codec
->preset
->patch(codec
);
565 err
= snd_hda_parse_generic_codec(codec
);
567 snd_hda_codec_free(codec
);
571 if (codec
->patch_ops
.unsol_event
)
572 init_unsol_queue(bus
);
574 snd_hda_codec_proc_new(codec
);
576 sprintf(component
, "HDA:%08x", codec
->vendor_id
);
577 snd_component_add(codec
->bus
->card
, component
);
585 * snd_hda_codec_setup_stream - set up the codec for streaming
586 * @codec: the CODEC to set up
587 * @nid: the NID to set up
588 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
589 * @channel_id: channel id to pass, zero based.
590 * @format: stream format.
592 void snd_hda_codec_setup_stream(struct hda_codec
*codec
, hda_nid_t nid
, u32 stream_tag
,
593 int channel_id
, int format
)
598 snd_printdd("hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
599 nid
, stream_tag
, channel_id
, format
);
600 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_CHANNEL_STREAMID
,
601 (stream_tag
<< 4) | channel_id
);
603 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_STREAM_FORMAT
, format
);
608 * amp access functions
611 /* FIXME: more better hash key? */
612 #define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
613 #define INFO_AMP_CAPS (1<<0)
614 #define INFO_AMP_VOL(ch) (1 << (1 + (ch)))
616 /* initialize the hash table */
617 static void init_amp_hash(struct hda_codec
*codec
)
619 memset(codec
->amp_hash
, 0xff, sizeof(codec
->amp_hash
));
620 codec
->num_amp_entries
= 0;
621 codec
->amp_info_size
= 0;
622 codec
->amp_info
= NULL
;
625 /* query the hash. allocate an entry if not found. */
626 static struct hda_amp_info
*get_alloc_amp_hash(struct hda_codec
*codec
, u32 key
)
628 u16 idx
= key
% (u16
)ARRAY_SIZE(codec
->amp_hash
);
629 u16 cur
= codec
->amp_hash
[idx
];
630 struct hda_amp_info
*info
;
632 while (cur
!= 0xffff) {
633 info
= &codec
->amp_info
[cur
];
634 if (info
->key
== key
)
639 /* add a new hash entry */
640 if (codec
->num_amp_entries
>= codec
->amp_info_size
) {
641 /* reallocate the array */
642 int new_size
= codec
->amp_info_size
+ 64;
643 struct hda_amp_info
*new_info
= kcalloc(new_size
, sizeof(struct hda_amp_info
),
646 snd_printk(KERN_ERR
"hda_codec: can't malloc amp_info\n");
649 if (codec
->amp_info
) {
650 memcpy(new_info
, codec
->amp_info
,
651 codec
->amp_info_size
* sizeof(struct hda_amp_info
));
652 kfree(codec
->amp_info
);
654 codec
->amp_info_size
= new_size
;
655 codec
->amp_info
= new_info
;
657 cur
= codec
->num_amp_entries
++;
658 info
= &codec
->amp_info
[cur
];
660 info
->status
= 0; /* not initialized yet */
661 info
->next
= codec
->amp_hash
[idx
];
662 codec
->amp_hash
[idx
] = cur
;
668 * query AMP capabilities for the given widget and direction
670 static u32
query_amp_caps(struct hda_codec
*codec
, hda_nid_t nid
, int direction
)
672 struct hda_amp_info
*info
= get_alloc_amp_hash(codec
, HDA_HASH_KEY(nid
, direction
, 0));
676 if (! (info
->status
& INFO_AMP_CAPS
)) {
677 if (! (get_wcaps(codec
, nid
) & AC_WCAP_AMP_OVRD
))
679 info
->amp_caps
= snd_hda_param_read(codec
, nid
, direction
== HDA_OUTPUT
?
680 AC_PAR_AMP_OUT_CAP
: AC_PAR_AMP_IN_CAP
);
681 info
->status
|= INFO_AMP_CAPS
;
683 return info
->amp_caps
;
687 * read the current volume to info
688 * if the cache exists, read the cache value.
690 static unsigned int get_vol_mute(struct hda_codec
*codec
, struct hda_amp_info
*info
,
691 hda_nid_t nid
, int ch
, int direction
, int index
)
695 if (info
->status
& INFO_AMP_VOL(ch
))
696 return info
->vol
[ch
];
698 parm
= ch
? AC_AMP_GET_RIGHT
: AC_AMP_GET_LEFT
;
699 parm
|= direction
== HDA_OUTPUT
? AC_AMP_GET_OUTPUT
: AC_AMP_GET_INPUT
;
701 val
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_AMP_GAIN_MUTE
, parm
);
702 info
->vol
[ch
] = val
& 0xff;
703 info
->status
|= INFO_AMP_VOL(ch
);
704 return info
->vol
[ch
];
708 * write the current volume in info to the h/w and update the cache
710 static void put_vol_mute(struct hda_codec
*codec
, struct hda_amp_info
*info
,
711 hda_nid_t nid
, int ch
, int direction
, int index
, int val
)
715 parm
= ch
? AC_AMP_SET_RIGHT
: AC_AMP_SET_LEFT
;
716 parm
|= direction
== HDA_OUTPUT
? AC_AMP_SET_OUTPUT
: AC_AMP_SET_INPUT
;
717 parm
|= index
<< AC_AMP_SET_INDEX_SHIFT
;
719 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_AMP_GAIN_MUTE
, parm
);
724 * read AMP value. The volume is between 0 to 0x7f, 0x80 = mute bit.
726 static int snd_hda_codec_amp_read(struct hda_codec
*codec
, hda_nid_t nid
, int ch
, int direction
, int index
)
728 struct hda_amp_info
*info
= get_alloc_amp_hash(codec
, HDA_HASH_KEY(nid
, direction
, index
));
731 return get_vol_mute(codec
, info
, nid
, ch
, direction
, index
);
735 * update the AMP value, mask = bit mask to set, val = the value
737 static int snd_hda_codec_amp_update(struct hda_codec
*codec
, hda_nid_t nid
, int ch
, int direction
, int idx
, int mask
, int val
)
739 struct hda_amp_info
*info
= get_alloc_amp_hash(codec
, HDA_HASH_KEY(nid
, direction
, idx
));
744 val
|= get_vol_mute(codec
, info
, nid
, ch
, direction
, idx
) & ~mask
;
745 if (info
->vol
[ch
] == val
&& ! codec
->in_resume
)
747 put_vol_mute(codec
, info
, nid
, ch
, direction
, idx
, val
);
753 * AMP control callbacks
755 /* retrieve parameters from private_value */
756 #define get_amp_nid(kc) ((kc)->private_value & 0xffff)
757 #define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3)
758 #define get_amp_direction(kc) (((kc)->private_value >> 18) & 0x1)
759 #define get_amp_index(kc) (((kc)->private_value >> 19) & 0xf)
762 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_info
*uinfo
)
764 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
765 u16 nid
= get_amp_nid(kcontrol
);
766 u8 chs
= get_amp_channels(kcontrol
);
767 int dir
= get_amp_direction(kcontrol
);
770 caps
= query_amp_caps(codec
, nid
, dir
);
771 caps
= (caps
& AC_AMPCAP_NUM_STEPS
) >> AC_AMPCAP_NUM_STEPS_SHIFT
; /* num steps */
773 printk(KERN_WARNING
"hda_codec: num_steps = 0 for NID=0x%x\n", nid
);
776 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_INTEGER
;
777 uinfo
->count
= chs
== 3 ? 2 : 1;
778 uinfo
->value
.integer
.min
= 0;
779 uinfo
->value
.integer
.max
= caps
;
783 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
785 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
786 hda_nid_t nid
= get_amp_nid(kcontrol
);
787 int chs
= get_amp_channels(kcontrol
);
788 int dir
= get_amp_direction(kcontrol
);
789 int idx
= get_amp_index(kcontrol
);
790 long *valp
= ucontrol
->value
.integer
.value
;
793 *valp
++ = snd_hda_codec_amp_read(codec
, nid
, 0, dir
, idx
) & 0x7f;
795 *valp
= snd_hda_codec_amp_read(codec
, nid
, 1, dir
, idx
) & 0x7f;
799 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
801 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
802 hda_nid_t nid
= get_amp_nid(kcontrol
);
803 int chs
= get_amp_channels(kcontrol
);
804 int dir
= get_amp_direction(kcontrol
);
805 int idx
= get_amp_index(kcontrol
);
806 long *valp
= ucontrol
->value
.integer
.value
;
810 change
= snd_hda_codec_amp_update(codec
, nid
, 0, dir
, idx
,
815 change
|= snd_hda_codec_amp_update(codec
, nid
, 1, dir
, idx
,
821 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_info
*uinfo
)
823 int chs
= get_amp_channels(kcontrol
);
825 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_BOOLEAN
;
826 uinfo
->count
= chs
== 3 ? 2 : 1;
827 uinfo
->value
.integer
.min
= 0;
828 uinfo
->value
.integer
.max
= 1;
832 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
834 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
835 hda_nid_t nid
= get_amp_nid(kcontrol
);
836 int chs
= get_amp_channels(kcontrol
);
837 int dir
= get_amp_direction(kcontrol
);
838 int idx
= get_amp_index(kcontrol
);
839 long *valp
= ucontrol
->value
.integer
.value
;
842 *valp
++ = (snd_hda_codec_amp_read(codec
, nid
, 0, dir
, idx
) & 0x80) ? 0 : 1;
844 *valp
= (snd_hda_codec_amp_read(codec
, nid
, 1, dir
, idx
) & 0x80) ? 0 : 1;
848 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
850 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
851 hda_nid_t nid
= get_amp_nid(kcontrol
);
852 int chs
= get_amp_channels(kcontrol
);
853 int dir
= get_amp_direction(kcontrol
);
854 int idx
= get_amp_index(kcontrol
);
855 long *valp
= ucontrol
->value
.integer
.value
;
859 change
= snd_hda_codec_amp_update(codec
, nid
, 0, dir
, idx
,
860 0x80, *valp
? 0 : 0x80);
864 change
|= snd_hda_codec_amp_update(codec
, nid
, 1, dir
, idx
,
865 0x80, *valp
? 0 : 0x80);
871 * bound volume controls
873 * bind multiple volumes (# indices, from 0)
876 #define AMP_VAL_IDX_SHIFT 19
877 #define AMP_VAL_IDX_MASK (0x0f<<19)
879 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
881 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
885 mutex_lock(&codec
->spdif_mutex
); /* reuse spdif_mutex */
886 pval
= kcontrol
->private_value
;
887 kcontrol
->private_value
= pval
& ~AMP_VAL_IDX_MASK
; /* index 0 */
888 err
= snd_hda_mixer_amp_switch_get(kcontrol
, ucontrol
);
889 kcontrol
->private_value
= pval
;
890 mutex_unlock(&codec
->spdif_mutex
);
894 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
896 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
898 int i
, indices
, err
= 0, change
= 0;
900 mutex_lock(&codec
->spdif_mutex
); /* reuse spdif_mutex */
901 pval
= kcontrol
->private_value
;
902 indices
= (pval
& AMP_VAL_IDX_MASK
) >> AMP_VAL_IDX_SHIFT
;
903 for (i
= 0; i
< indices
; i
++) {
904 kcontrol
->private_value
= (pval
& ~AMP_VAL_IDX_MASK
) | (i
<< AMP_VAL_IDX_SHIFT
);
905 err
= snd_hda_mixer_amp_switch_put(kcontrol
, ucontrol
);
910 kcontrol
->private_value
= pval
;
911 mutex_unlock(&codec
->spdif_mutex
);
912 return err
< 0 ? err
: change
;
919 static int snd_hda_spdif_mask_info(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_info
*uinfo
)
921 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_IEC958
;
926 static int snd_hda_spdif_cmask_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
928 ucontrol
->value
.iec958
.status
[0] = IEC958_AES0_PROFESSIONAL
|
929 IEC958_AES0_NONAUDIO
|
930 IEC958_AES0_CON_EMPHASIS_5015
|
931 IEC958_AES0_CON_NOT_COPYRIGHT
;
932 ucontrol
->value
.iec958
.status
[1] = IEC958_AES1_CON_CATEGORY
|
933 IEC958_AES1_CON_ORIGINAL
;
937 static int snd_hda_spdif_pmask_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
939 ucontrol
->value
.iec958
.status
[0] = IEC958_AES0_PROFESSIONAL
|
940 IEC958_AES0_NONAUDIO
|
941 IEC958_AES0_PRO_EMPHASIS_5015
;
945 static int snd_hda_spdif_default_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
947 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
949 ucontrol
->value
.iec958
.status
[0] = codec
->spdif_status
& 0xff;
950 ucontrol
->value
.iec958
.status
[1] = (codec
->spdif_status
>> 8) & 0xff;
951 ucontrol
->value
.iec958
.status
[2] = (codec
->spdif_status
>> 16) & 0xff;
952 ucontrol
->value
.iec958
.status
[3] = (codec
->spdif_status
>> 24) & 0xff;
957 /* convert from SPDIF status bits to HDA SPDIF bits
958 * bit 0 (DigEn) is always set zero (to be filled later)
960 static unsigned short convert_from_spdif_status(unsigned int sbits
)
962 unsigned short val
= 0;
964 if (sbits
& IEC958_AES0_PROFESSIONAL
)
966 if (sbits
& IEC958_AES0_NONAUDIO
)
968 if (sbits
& IEC958_AES0_PROFESSIONAL
) {
969 if ((sbits
& IEC958_AES0_PRO_EMPHASIS
) == IEC958_AES0_PRO_EMPHASIS_5015
)
972 if ((sbits
& IEC958_AES0_CON_EMPHASIS
) == IEC958_AES0_CON_EMPHASIS_5015
)
974 if (! (sbits
& IEC958_AES0_CON_NOT_COPYRIGHT
))
976 if (sbits
& (IEC958_AES1_CON_ORIGINAL
<< 8))
978 val
|= sbits
& (IEC958_AES1_CON_CATEGORY
<< 8);
983 /* convert to SPDIF status bits from HDA SPDIF bits
985 static unsigned int convert_to_spdif_status(unsigned short val
)
987 unsigned int sbits
= 0;
990 sbits
|= IEC958_AES0_NONAUDIO
;
992 sbits
|= IEC958_AES0_PROFESSIONAL
;
993 if (sbits
& IEC958_AES0_PROFESSIONAL
) {
994 if (sbits
& (1 << 3))
995 sbits
|= IEC958_AES0_PRO_EMPHASIS_5015
;
998 sbits
|= IEC958_AES0_CON_EMPHASIS_5015
;
999 if (! (val
& (1 << 4)))
1000 sbits
|= IEC958_AES0_CON_NOT_COPYRIGHT
;
1002 sbits
|= (IEC958_AES1_CON_ORIGINAL
<< 8);
1003 sbits
|= val
& (0x7f << 8);
1008 static int snd_hda_spdif_default_put(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1010 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1011 hda_nid_t nid
= kcontrol
->private_value
;
1015 mutex_lock(&codec
->spdif_mutex
);
1016 codec
->spdif_status
= ucontrol
->value
.iec958
.status
[0] |
1017 ((unsigned int)ucontrol
->value
.iec958
.status
[1] << 8) |
1018 ((unsigned int)ucontrol
->value
.iec958
.status
[2] << 16) |
1019 ((unsigned int)ucontrol
->value
.iec958
.status
[3] << 24);
1020 val
= convert_from_spdif_status(codec
->spdif_status
);
1021 val
|= codec
->spdif_ctls
& 1;
1022 change
= codec
->spdif_ctls
!= val
;
1023 codec
->spdif_ctls
= val
;
1025 if (change
|| codec
->in_resume
) {
1026 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_DIGI_CONVERT_1
, val
& 0xff);
1027 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_DIGI_CONVERT_2
, val
>> 8);
1030 mutex_unlock(&codec
->spdif_mutex
);
1034 static int snd_hda_spdif_out_switch_info(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_info
*uinfo
)
1036 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_BOOLEAN
;
1038 uinfo
->value
.integer
.min
= 0;
1039 uinfo
->value
.integer
.max
= 1;
1043 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1045 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1047 ucontrol
->value
.integer
.value
[0] = codec
->spdif_ctls
& 1;
1051 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1053 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1054 hda_nid_t nid
= kcontrol
->private_value
;
1058 mutex_lock(&codec
->spdif_mutex
);
1059 val
= codec
->spdif_ctls
& ~1;
1060 if (ucontrol
->value
.integer
.value
[0])
1062 change
= codec
->spdif_ctls
!= val
;
1063 if (change
|| codec
->in_resume
) {
1064 codec
->spdif_ctls
= val
;
1065 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_DIGI_CONVERT_1
, val
& 0xff);
1066 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_AMP_GAIN_MUTE
,
1067 AC_AMP_SET_RIGHT
| AC_AMP_SET_LEFT
|
1068 AC_AMP_SET_OUTPUT
| ((val
& 1) ? 0 : 0x80));
1070 mutex_unlock(&codec
->spdif_mutex
);
1074 static struct snd_kcontrol_new dig_mixes
[] = {
1076 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
1077 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1078 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,CON_MASK
),
1079 .info
= snd_hda_spdif_mask_info
,
1080 .get
= snd_hda_spdif_cmask_get
,
1083 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
1084 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1085 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,PRO_MASK
),
1086 .info
= snd_hda_spdif_mask_info
,
1087 .get
= snd_hda_spdif_pmask_get
,
1090 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1091 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,DEFAULT
),
1092 .info
= snd_hda_spdif_mask_info
,
1093 .get
= snd_hda_spdif_default_get
,
1094 .put
= snd_hda_spdif_default_put
,
1097 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1098 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,SWITCH
),
1099 .info
= snd_hda_spdif_out_switch_info
,
1100 .get
= snd_hda_spdif_out_switch_get
,
1101 .put
= snd_hda_spdif_out_switch_put
,
1107 * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1108 * @codec: the HDA codec
1109 * @nid: audio out widget NID
1111 * Creates controls related with the SPDIF output.
1112 * Called from each patch supporting the SPDIF out.
1114 * Returns 0 if successful, or a negative error code.
1116 int snd_hda_create_spdif_out_ctls(struct hda_codec
*codec
, hda_nid_t nid
)
1119 struct snd_kcontrol
*kctl
;
1120 struct snd_kcontrol_new
*dig_mix
;
1122 for (dig_mix
= dig_mixes
; dig_mix
->name
; dig_mix
++) {
1123 kctl
= snd_ctl_new1(dig_mix
, codec
);
1124 kctl
->private_value
= nid
;
1125 if ((err
= snd_ctl_add(codec
->bus
->card
, kctl
)) < 0)
1128 codec
->spdif_ctls
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_DIGI_CONVERT
, 0);
1129 codec
->spdif_status
= convert_to_spdif_status(codec
->spdif_ctls
);
1137 #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
1139 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1141 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1143 ucontrol
->value
.integer
.value
[0] = codec
->spdif_in_enable
;
1147 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1149 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1150 hda_nid_t nid
= kcontrol
->private_value
;
1151 unsigned int val
= !!ucontrol
->value
.integer
.value
[0];
1154 mutex_lock(&codec
->spdif_mutex
);
1155 change
= codec
->spdif_in_enable
!= val
;
1156 if (change
|| codec
->in_resume
) {
1157 codec
->spdif_in_enable
= val
;
1158 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_DIGI_CONVERT_1
, val
);
1160 mutex_unlock(&codec
->spdif_mutex
);
1164 static int snd_hda_spdif_in_status_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1166 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1167 hda_nid_t nid
= kcontrol
->private_value
;
1171 val
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_DIGI_CONVERT
, 0);
1172 sbits
= convert_to_spdif_status(val
);
1173 ucontrol
->value
.iec958
.status
[0] = sbits
;
1174 ucontrol
->value
.iec958
.status
[1] = sbits
>> 8;
1175 ucontrol
->value
.iec958
.status
[2] = sbits
>> 16;
1176 ucontrol
->value
.iec958
.status
[3] = sbits
>> 24;
1180 static struct snd_kcontrol_new dig_in_ctls
[] = {
1182 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1183 .name
= SNDRV_CTL_NAME_IEC958("",CAPTURE
,SWITCH
),
1184 .info
= snd_hda_spdif_in_switch_info
,
1185 .get
= snd_hda_spdif_in_switch_get
,
1186 .put
= snd_hda_spdif_in_switch_put
,
1189 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
1190 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1191 .name
= SNDRV_CTL_NAME_IEC958("",CAPTURE
,DEFAULT
),
1192 .info
= snd_hda_spdif_mask_info
,
1193 .get
= snd_hda_spdif_in_status_get
,
1199 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1200 * @codec: the HDA codec
1201 * @nid: audio in widget NID
1203 * Creates controls related with the SPDIF input.
1204 * Called from each patch supporting the SPDIF in.
1206 * Returns 0 if successful, or a negative error code.
1208 int snd_hda_create_spdif_in_ctls(struct hda_codec
*codec
, hda_nid_t nid
)
1211 struct snd_kcontrol
*kctl
;
1212 struct snd_kcontrol_new
*dig_mix
;
1214 for (dig_mix
= dig_in_ctls
; dig_mix
->name
; dig_mix
++) {
1215 kctl
= snd_ctl_new1(dig_mix
, codec
);
1216 kctl
->private_value
= nid
;
1217 if ((err
= snd_ctl_add(codec
->bus
->card
, kctl
)) < 0)
1220 codec
->spdif_in_enable
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_DIGI_CONVERT
, 0) & 1;
1226 * set power state of the codec
1228 static void hda_set_power_state(struct hda_codec
*codec
, hda_nid_t fg
,
1229 unsigned int power_state
)
1231 hda_nid_t nid
, nid_start
;
1234 snd_hda_codec_write(codec
, fg
, 0, AC_VERB_SET_POWER_STATE
,
1237 nodes
= snd_hda_get_sub_nodes(codec
, fg
, &nid_start
);
1238 for (nid
= nid_start
; nid
< nodes
+ nid_start
; nid
++) {
1239 if (get_wcaps(codec
, nid
) & AC_WCAP_POWER
)
1240 snd_hda_codec_write(codec
, nid
, 0,
1241 AC_VERB_SET_POWER_STATE
,
1245 if (power_state
== AC_PWRST_D0
)
1251 * snd_hda_build_controls - build mixer controls
1254 * Creates mixer controls for each codec included in the bus.
1256 * Returns 0 if successful, otherwise a negative error code.
1258 int snd_hda_build_controls(struct hda_bus
*bus
)
1260 struct list_head
*p
;
1262 /* build controls */
1263 list_for_each(p
, &bus
->codec_list
) {
1264 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
1266 if (! codec
->patch_ops
.build_controls
)
1268 err
= codec
->patch_ops
.build_controls(codec
);
1274 list_for_each(p
, &bus
->codec_list
) {
1275 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
1277 hda_set_power_state(codec
,
1278 codec
->afg
? codec
->afg
: codec
->mfg
,
1280 if (! codec
->patch_ops
.init
)
1282 err
= codec
->patch_ops
.init(codec
);
1293 struct hda_rate_tbl
{
1295 unsigned int alsa_bits
;
1296 unsigned int hda_fmt
;
1299 static struct hda_rate_tbl rate_bits
[] = {
1300 /* rate in Hz, ALSA rate bitmask, HDA format value */
1302 /* autodetected value used in snd_hda_query_supported_pcm */
1303 { 8000, SNDRV_PCM_RATE_8000
, 0x0500 }, /* 1/6 x 48 */
1304 { 11025, SNDRV_PCM_RATE_11025
, 0x4300 }, /* 1/4 x 44 */
1305 { 16000, SNDRV_PCM_RATE_16000
, 0x0200 }, /* 1/3 x 48 */
1306 { 22050, SNDRV_PCM_RATE_22050
, 0x4100 }, /* 1/2 x 44 */
1307 { 32000, SNDRV_PCM_RATE_32000
, 0x0a00 }, /* 2/3 x 48 */
1308 { 44100, SNDRV_PCM_RATE_44100
, 0x4000 }, /* 44 */
1309 { 48000, SNDRV_PCM_RATE_48000
, 0x0000 }, /* 48 */
1310 { 88200, SNDRV_PCM_RATE_88200
, 0x4800 }, /* 2 x 44 */
1311 { 96000, SNDRV_PCM_RATE_96000
, 0x0800 }, /* 2 x 48 */
1312 { 176400, SNDRV_PCM_RATE_176400
, 0x5800 },/* 4 x 44 */
1313 { 192000, SNDRV_PCM_RATE_192000
, 0x1800 }, /* 4 x 48 */
1315 /* not autodetected value */
1316 { 9600, SNDRV_PCM_RATE_KNOT
, 0x0400 }, /* 1/5 x 48 */
1318 { 0 } /* terminator */
1322 * snd_hda_calc_stream_format - calculate format bitset
1323 * @rate: the sample rate
1324 * @channels: the number of channels
1325 * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
1326 * @maxbps: the max. bps
1328 * Calculate the format bitset from the given rate, channels and th PCM format.
1330 * Return zero if invalid.
1332 unsigned int snd_hda_calc_stream_format(unsigned int rate
,
1333 unsigned int channels
,
1334 unsigned int format
,
1335 unsigned int maxbps
)
1338 unsigned int val
= 0;
1340 for (i
= 0; rate_bits
[i
].hz
; i
++)
1341 if (rate_bits
[i
].hz
== rate
) {
1342 val
= rate_bits
[i
].hda_fmt
;
1345 if (! rate_bits
[i
].hz
) {
1346 snd_printdd("invalid rate %d\n", rate
);
1350 if (channels
== 0 || channels
> 8) {
1351 snd_printdd("invalid channels %d\n", channels
);
1354 val
|= channels
- 1;
1356 switch (snd_pcm_format_width(format
)) {
1357 case 8: val
|= 0x00; break;
1358 case 16: val
|= 0x10; break;
1364 else if (maxbps
>= 24)
1370 snd_printdd("invalid format width %d\n", snd_pcm_format_width(format
));
1378 * snd_hda_query_supported_pcm - query the supported PCM rates and formats
1379 * @codec: the HDA codec
1380 * @nid: NID to query
1381 * @ratesp: the pointer to store the detected rate bitflags
1382 * @formatsp: the pointer to store the detected formats
1383 * @bpsp: the pointer to store the detected format widths
1385 * Queries the supported PCM rates and formats. The NULL @ratesp, @formatsp
1386 * or @bsps argument is ignored.
1388 * Returns 0 if successful, otherwise a negative error code.
1390 int snd_hda_query_supported_pcm(struct hda_codec
*codec
, hda_nid_t nid
,
1391 u32
*ratesp
, u64
*formatsp
, unsigned int *bpsp
)
1394 unsigned int val
, streams
;
1397 if (nid
!= codec
->afg
&&
1398 (get_wcaps(codec
, nid
) & AC_WCAP_FORMAT_OVRD
)) {
1399 val
= snd_hda_param_read(codec
, nid
, AC_PAR_PCM
);
1404 val
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_PCM
);
1408 for (i
= 0; rate_bits
[i
].hz
; i
++) {
1410 rates
|= rate_bits
[i
].alsa_bits
;
1415 if (formatsp
|| bpsp
) {
1420 wcaps
= get_wcaps(codec
, nid
);
1421 streams
= snd_hda_param_read(codec
, nid
, AC_PAR_STREAM
);
1425 streams
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_STREAM
);
1431 if (streams
& AC_SUPFMT_PCM
) {
1432 if (val
& AC_SUPPCM_BITS_8
) {
1433 formats
|= SNDRV_PCM_FMTBIT_U8
;
1436 if (val
& AC_SUPPCM_BITS_16
) {
1437 formats
|= SNDRV_PCM_FMTBIT_S16_LE
;
1440 if (wcaps
& AC_WCAP_DIGITAL
) {
1441 if (val
& AC_SUPPCM_BITS_32
)
1442 formats
|= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE
;
1443 if (val
& (AC_SUPPCM_BITS_20
|AC_SUPPCM_BITS_24
))
1444 formats
|= SNDRV_PCM_FMTBIT_S32_LE
;
1445 if (val
& AC_SUPPCM_BITS_24
)
1447 else if (val
& AC_SUPPCM_BITS_20
)
1449 } else if (val
& (AC_SUPPCM_BITS_20
|AC_SUPPCM_BITS_24
|AC_SUPPCM_BITS_32
)) {
1450 formats
|= SNDRV_PCM_FMTBIT_S32_LE
;
1451 if (val
& AC_SUPPCM_BITS_32
)
1453 else if (val
& AC_SUPPCM_BITS_20
)
1455 else if (val
& AC_SUPPCM_BITS_24
)
1459 else if (streams
== AC_SUPFMT_FLOAT32
) { /* should be exclusive */
1460 formats
|= SNDRV_PCM_FMTBIT_FLOAT_LE
;
1462 } else if (streams
== AC_SUPFMT_AC3
) { /* should be exclusive */
1463 /* temporary hack: we have still no proper support
1464 * for the direct AC3 stream...
1466 formats
|= SNDRV_PCM_FMTBIT_U8
;
1470 *formatsp
= formats
;
1479 * snd_hda_is_supported_format - check whether the given node supports the format val
1481 * Returns 1 if supported, 0 if not.
1483 int snd_hda_is_supported_format(struct hda_codec
*codec
, hda_nid_t nid
,
1484 unsigned int format
)
1487 unsigned int val
= 0, rate
, stream
;
1489 if (nid
!= codec
->afg
&&
1490 (get_wcaps(codec
, nid
) & AC_WCAP_FORMAT_OVRD
)) {
1491 val
= snd_hda_param_read(codec
, nid
, AC_PAR_PCM
);
1496 val
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_PCM
);
1501 rate
= format
& 0xff00;
1502 for (i
= 0; rate_bits
[i
].hz
; i
++)
1503 if (rate_bits
[i
].hda_fmt
== rate
) {
1508 if (! rate_bits
[i
].hz
)
1511 stream
= snd_hda_param_read(codec
, nid
, AC_PAR_STREAM
);
1514 if (! stream
&& nid
!= codec
->afg
)
1515 stream
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_STREAM
);
1516 if (! stream
|| stream
== -1)
1519 if (stream
& AC_SUPFMT_PCM
) {
1520 switch (format
& 0xf0) {
1522 if (! (val
& AC_SUPPCM_BITS_8
))
1526 if (! (val
& AC_SUPPCM_BITS_16
))
1530 if (! (val
& AC_SUPPCM_BITS_20
))
1534 if (! (val
& AC_SUPPCM_BITS_24
))
1538 if (! (val
& AC_SUPPCM_BITS_32
))
1545 /* FIXME: check for float32 and AC3? */
1554 static int hda_pcm_default_open_close(struct hda_pcm_stream
*hinfo
,
1555 struct hda_codec
*codec
,
1556 struct snd_pcm_substream
*substream
)
1561 static int hda_pcm_default_prepare(struct hda_pcm_stream
*hinfo
,
1562 struct hda_codec
*codec
,
1563 unsigned int stream_tag
,
1564 unsigned int format
,
1565 struct snd_pcm_substream
*substream
)
1567 snd_hda_codec_setup_stream(codec
, hinfo
->nid
, stream_tag
, 0, format
);
1571 static int hda_pcm_default_cleanup(struct hda_pcm_stream
*hinfo
,
1572 struct hda_codec
*codec
,
1573 struct snd_pcm_substream
*substream
)
1575 snd_hda_codec_setup_stream(codec
, hinfo
->nid
, 0, 0, 0);
1579 static int set_pcm_default_values(struct hda_codec
*codec
, struct hda_pcm_stream
*info
)
1582 /* query support PCM information from the given NID */
1583 if (! info
->rates
|| ! info
->formats
)
1584 snd_hda_query_supported_pcm(codec
, info
->nid
,
1585 info
->rates
? NULL
: &info
->rates
,
1586 info
->formats
? NULL
: &info
->formats
,
1587 info
->maxbps
? NULL
: &info
->maxbps
);
1589 if (info
->ops
.open
== NULL
)
1590 info
->ops
.open
= hda_pcm_default_open_close
;
1591 if (info
->ops
.close
== NULL
)
1592 info
->ops
.close
= hda_pcm_default_open_close
;
1593 if (info
->ops
.prepare
== NULL
) {
1594 snd_assert(info
->nid
, return -EINVAL
);
1595 info
->ops
.prepare
= hda_pcm_default_prepare
;
1597 if (info
->ops
.cleanup
== NULL
) {
1598 snd_assert(info
->nid
, return -EINVAL
);
1599 info
->ops
.cleanup
= hda_pcm_default_cleanup
;
1605 * snd_hda_build_pcms - build PCM information
1608 * Create PCM information for each codec included in the bus.
1610 * The build_pcms codec patch is requested to set up codec->num_pcms and
1611 * codec->pcm_info properly. The array is referred by the top-level driver
1612 * to create its PCM instances.
1613 * The allocated codec->pcm_info should be released in codec->patch_ops.free
1616 * At least, substreams, channels_min and channels_max must be filled for
1617 * each stream. substreams = 0 indicates that the stream doesn't exist.
1618 * When rates and/or formats are zero, the supported values are queried
1619 * from the given nid. The nid is used also by the default ops.prepare
1620 * and ops.cleanup callbacks.
1622 * The driver needs to call ops.open in its open callback. Similarly,
1623 * ops.close is supposed to be called in the close callback.
1624 * ops.prepare should be called in the prepare or hw_params callback
1625 * with the proper parameters for set up.
1626 * ops.cleanup should be called in hw_free for clean up of streams.
1628 * This function returns 0 if successfull, or a negative error code.
1630 int snd_hda_build_pcms(struct hda_bus
*bus
)
1632 struct list_head
*p
;
1634 list_for_each(p
, &bus
->codec_list
) {
1635 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
1636 unsigned int pcm
, s
;
1638 if (! codec
->patch_ops
.build_pcms
)
1640 err
= codec
->patch_ops
.build_pcms(codec
);
1643 for (pcm
= 0; pcm
< codec
->num_pcms
; pcm
++) {
1644 for (s
= 0; s
< 2; s
++) {
1645 struct hda_pcm_stream
*info
;
1646 info
= &codec
->pcm_info
[pcm
].stream
[s
];
1647 if (! info
->substreams
)
1649 err
= set_pcm_default_values(codec
, info
);
1660 * snd_hda_check_board_config - compare the current codec with the config table
1661 * @codec: the HDA codec
1662 * @tbl: configuration table, terminated by null entries
1664 * Compares the modelname or PCI subsystem id of the current codec with the
1665 * given configuration table. If a matching entry is found, returns its
1666 * config value (supposed to be 0 or positive).
1668 * If no entries are matching, the function returns a negative value.
1670 int snd_hda_check_board_config(struct hda_codec
*codec
, const struct hda_board_config
*tbl
)
1672 const struct hda_board_config
*c
;
1674 if (codec
->bus
->modelname
) {
1675 for (c
= tbl
; c
->modelname
|| c
->pci_subvendor
; c
++) {
1677 ! strcmp(codec
->bus
->modelname
, c
->modelname
)) {
1678 snd_printd(KERN_INFO
"hda_codec: model '%s' is selected\n", c
->modelname
);
1684 if (codec
->bus
->pci
) {
1685 u16 subsystem_vendor
, subsystem_device
;
1686 pci_read_config_word(codec
->bus
->pci
, PCI_SUBSYSTEM_VENDOR_ID
, &subsystem_vendor
);
1687 pci_read_config_word(codec
->bus
->pci
, PCI_SUBSYSTEM_ID
, &subsystem_device
);
1688 for (c
= tbl
; c
->modelname
|| c
->pci_subvendor
; c
++) {
1689 if (c
->pci_subvendor
== subsystem_vendor
&&
1690 (! c
->pci_subdevice
/* all match */||
1691 (c
->pci_subdevice
== subsystem_device
))) {
1692 snd_printdd(KERN_INFO
"hda_codec: PCI %x:%x, codec config %d is selected\n",
1693 subsystem_vendor
, subsystem_device
, c
->config
);
1702 * snd_hda_add_new_ctls - create controls from the array
1703 * @codec: the HDA codec
1704 * @knew: the array of struct snd_kcontrol_new
1706 * This helper function creates and add new controls in the given array.
1707 * The array must be terminated with an empty entry as terminator.
1709 * Returns 0 if successful, or a negative error code.
1711 int snd_hda_add_new_ctls(struct hda_codec
*codec
, struct snd_kcontrol_new
*knew
)
1715 for (; knew
->name
; knew
++) {
1716 struct snd_kcontrol
*kctl
;
1717 kctl
= snd_ctl_new1(knew
, codec
);
1720 err
= snd_ctl_add(codec
->bus
->card
, kctl
);
1724 kctl
= snd_ctl_new1(knew
, codec
);
1727 kctl
->id
.device
= codec
->addr
;
1728 if ((err
= snd_ctl_add(codec
->bus
->card
, kctl
)) < 0)
1737 * Channel mode helper
1739 int snd_hda_ch_mode_info(struct hda_codec
*codec
, struct snd_ctl_elem_info
*uinfo
,
1740 const struct hda_channel_mode
*chmode
, int num_chmodes
)
1742 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_ENUMERATED
;
1744 uinfo
->value
.enumerated
.items
= num_chmodes
;
1745 if (uinfo
->value
.enumerated
.item
>= num_chmodes
)
1746 uinfo
->value
.enumerated
.item
= num_chmodes
- 1;
1747 sprintf(uinfo
->value
.enumerated
.name
, "%dch",
1748 chmode
[uinfo
->value
.enumerated
.item
].channels
);
1752 int snd_hda_ch_mode_get(struct hda_codec
*codec
, struct snd_ctl_elem_value
*ucontrol
,
1753 const struct hda_channel_mode
*chmode
, int num_chmodes
,
1758 for (i
= 0; i
< num_chmodes
; i
++) {
1759 if (max_channels
== chmode
[i
].channels
) {
1760 ucontrol
->value
.enumerated
.item
[0] = i
;
1767 int snd_hda_ch_mode_put(struct hda_codec
*codec
, struct snd_ctl_elem_value
*ucontrol
,
1768 const struct hda_channel_mode
*chmode
, int num_chmodes
,
1773 mode
= ucontrol
->value
.enumerated
.item
[0];
1774 snd_assert(mode
< num_chmodes
, return -EINVAL
);
1775 if (*max_channelsp
== chmode
[mode
].channels
&& ! codec
->in_resume
)
1777 /* change the current channel setting */
1778 *max_channelsp
= chmode
[mode
].channels
;
1779 if (chmode
[mode
].sequence
)
1780 snd_hda_sequence_write(codec
, chmode
[mode
].sequence
);
1787 int snd_hda_input_mux_info(const struct hda_input_mux
*imux
, struct snd_ctl_elem_info
*uinfo
)
1791 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_ENUMERATED
;
1793 uinfo
->value
.enumerated
.items
= imux
->num_items
;
1794 index
= uinfo
->value
.enumerated
.item
;
1795 if (index
>= imux
->num_items
)
1796 index
= imux
->num_items
- 1;
1797 strcpy(uinfo
->value
.enumerated
.name
, imux
->items
[index
].label
);
1801 int snd_hda_input_mux_put(struct hda_codec
*codec
, const struct hda_input_mux
*imux
,
1802 struct snd_ctl_elem_value
*ucontrol
, hda_nid_t nid
,
1803 unsigned int *cur_val
)
1807 idx
= ucontrol
->value
.enumerated
.item
[0];
1808 if (idx
>= imux
->num_items
)
1809 idx
= imux
->num_items
- 1;
1810 if (*cur_val
== idx
&& ! codec
->in_resume
)
1812 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_CONNECT_SEL
,
1813 imux
->items
[idx
].index
);
1820 * Multi-channel / digital-out PCM helper functions
1824 * open the digital out in the exclusive mode
1826 int snd_hda_multi_out_dig_open(struct hda_codec
*codec
, struct hda_multi_out
*mout
)
1828 mutex_lock(&codec
->spdif_mutex
);
1829 if (mout
->dig_out_used
) {
1830 mutex_unlock(&codec
->spdif_mutex
);
1831 return -EBUSY
; /* already being used */
1833 mout
->dig_out_used
= HDA_DIG_EXCLUSIVE
;
1834 mutex_unlock(&codec
->spdif_mutex
);
1839 * release the digital out
1841 int snd_hda_multi_out_dig_close(struct hda_codec
*codec
, struct hda_multi_out
*mout
)
1843 mutex_lock(&codec
->spdif_mutex
);
1844 mout
->dig_out_used
= 0;
1845 mutex_unlock(&codec
->spdif_mutex
);
1850 * set up more restrictions for analog out
1852 int snd_hda_multi_out_analog_open(struct hda_codec
*codec
, struct hda_multi_out
*mout
,
1853 struct snd_pcm_substream
*substream
)
1855 substream
->runtime
->hw
.channels_max
= mout
->max_channels
;
1856 return snd_pcm_hw_constraint_step(substream
->runtime
, 0,
1857 SNDRV_PCM_HW_PARAM_CHANNELS
, 2);
1861 * set up the i/o for analog out
1862 * when the digital out is available, copy the front out to digital out, too.
1864 int snd_hda_multi_out_analog_prepare(struct hda_codec
*codec
, struct hda_multi_out
*mout
,
1865 unsigned int stream_tag
,
1866 unsigned int format
,
1867 struct snd_pcm_substream
*substream
)
1869 hda_nid_t
*nids
= mout
->dac_nids
;
1870 int chs
= substream
->runtime
->channels
;
1873 mutex_lock(&codec
->spdif_mutex
);
1874 if (mout
->dig_out_nid
&& mout
->dig_out_used
!= HDA_DIG_EXCLUSIVE
) {
1876 snd_hda_is_supported_format(codec
, mout
->dig_out_nid
, format
) &&
1877 ! (codec
->spdif_status
& IEC958_AES0_NONAUDIO
)) {
1878 mout
->dig_out_used
= HDA_DIG_ANALOG_DUP
;
1879 /* setup digital receiver */
1880 snd_hda_codec_setup_stream(codec
, mout
->dig_out_nid
,
1881 stream_tag
, 0, format
);
1883 mout
->dig_out_used
= 0;
1884 snd_hda_codec_setup_stream(codec
, mout
->dig_out_nid
, 0, 0, 0);
1887 mutex_unlock(&codec
->spdif_mutex
);
1890 snd_hda_codec_setup_stream(codec
, nids
[HDA_FRONT
], stream_tag
, 0, format
);
1892 /* headphone out will just decode front left/right (stereo) */
1893 snd_hda_codec_setup_stream(codec
, mout
->hp_nid
, stream_tag
, 0, format
);
1895 for (i
= 1; i
< mout
->num_dacs
; i
++) {
1896 if (chs
>= (i
+ 1) * 2) /* independent out */
1897 snd_hda_codec_setup_stream(codec
, nids
[i
], stream_tag
, i
* 2,
1899 else /* copy front */
1900 snd_hda_codec_setup_stream(codec
, nids
[i
], stream_tag
, 0,
1907 * clean up the setting for analog out
1909 int snd_hda_multi_out_analog_cleanup(struct hda_codec
*codec
, struct hda_multi_out
*mout
)
1911 hda_nid_t
*nids
= mout
->dac_nids
;
1914 for (i
= 0; i
< mout
->num_dacs
; i
++)
1915 snd_hda_codec_setup_stream(codec
, nids
[i
], 0, 0, 0);
1917 snd_hda_codec_setup_stream(codec
, mout
->hp_nid
, 0, 0, 0);
1918 mutex_lock(&codec
->spdif_mutex
);
1919 if (mout
->dig_out_nid
&& mout
->dig_out_used
== HDA_DIG_ANALOG_DUP
) {
1920 snd_hda_codec_setup_stream(codec
, mout
->dig_out_nid
, 0, 0, 0);
1921 mout
->dig_out_used
= 0;
1923 mutex_unlock(&codec
->spdif_mutex
);
1928 * Helper for automatic ping configuration
1931 static int is_in_nid_list(hda_nid_t nid
, hda_nid_t
*list
)
1933 for (; *list
; list
++)
1939 /* parse all pin widgets and store the useful pin nids to cfg */
1940 int snd_hda_parse_pin_def_config(struct hda_codec
*codec
, struct auto_pin_cfg
*cfg
,
1941 hda_nid_t
*ignore_nids
)
1943 hda_nid_t nid
, nid_start
;
1945 short seq
, sequences
[4], assoc_line_out
;
1947 memset(cfg
, 0, sizeof(*cfg
));
1949 memset(sequences
, 0, sizeof(sequences
));
1952 nodes
= snd_hda_get_sub_nodes(codec
, codec
->afg
, &nid_start
);
1953 for (nid
= nid_start
; nid
< nodes
+ nid_start
; nid
++) {
1954 unsigned int wid_caps
= get_wcaps(codec
, nid
);
1955 unsigned int wid_type
= (wid_caps
& AC_WCAP_TYPE
) >> AC_WCAP_TYPE_SHIFT
;
1956 unsigned int def_conf
;
1959 /* read all default configuration for pin complex */
1960 if (wid_type
!= AC_WID_PIN
)
1962 /* ignore the given nids (e.g. pc-beep returns error) */
1963 if (ignore_nids
&& is_in_nid_list(nid
, ignore_nids
))
1966 def_conf
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_CONFIG_DEFAULT
, 0);
1967 if (get_defcfg_connect(def_conf
) == AC_JACK_PORT_NONE
)
1969 loc
= get_defcfg_location(def_conf
);
1970 switch (get_defcfg_device(def_conf
)) {
1971 case AC_JACK_LINE_OUT
:
1972 seq
= get_defcfg_sequence(def_conf
);
1973 assoc
= get_defcfg_association(def_conf
);
1976 if (! assoc_line_out
)
1977 assoc_line_out
= assoc
;
1978 else if (assoc_line_out
!= assoc
)
1980 if (cfg
->line_outs
>= ARRAY_SIZE(cfg
->line_out_pins
))
1982 cfg
->line_out_pins
[cfg
->line_outs
] = nid
;
1983 sequences
[cfg
->line_outs
] = seq
;
1986 case AC_JACK_SPEAKER
:
1987 cfg
->speaker_pin
= nid
;
1989 case AC_JACK_HP_OUT
:
1992 case AC_JACK_MIC_IN
:
1993 if (loc
== AC_JACK_LOC_FRONT
)
1994 cfg
->input_pins
[AUTO_PIN_FRONT_MIC
] = nid
;
1996 cfg
->input_pins
[AUTO_PIN_MIC
] = nid
;
1998 case AC_JACK_LINE_IN
:
1999 if (loc
== AC_JACK_LOC_FRONT
)
2000 cfg
->input_pins
[AUTO_PIN_FRONT_LINE
] = nid
;
2002 cfg
->input_pins
[AUTO_PIN_LINE
] = nid
;
2005 cfg
->input_pins
[AUTO_PIN_CD
] = nid
;
2008 cfg
->input_pins
[AUTO_PIN_AUX
] = nid
;
2010 case AC_JACK_SPDIF_OUT
:
2011 cfg
->dig_out_pin
= nid
;
2013 case AC_JACK_SPDIF_IN
:
2014 cfg
->dig_in_pin
= nid
;
2019 /* sort by sequence */
2020 for (i
= 0; i
< cfg
->line_outs
; i
++)
2021 for (j
= i
+ 1; j
< cfg
->line_outs
; j
++)
2022 if (sequences
[i
] > sequences
[j
]) {
2024 sequences
[i
] = sequences
[j
];
2026 nid
= cfg
->line_out_pins
[i
];
2027 cfg
->line_out_pins
[i
] = cfg
->line_out_pins
[j
];
2028 cfg
->line_out_pins
[j
] = nid
;
2031 /* Reorder the surround channels
2032 * ALSA sequence is front/surr/clfe/side
2034 * 4-ch: front/surr => OK as it is
2035 * 6-ch: front/clfe/surr
2036 * 8-ch: front/clfe/side/surr
2038 switch (cfg
->line_outs
) {
2040 nid
= cfg
->line_out_pins
[1];
2041 cfg
->line_out_pins
[1] = cfg
->line_out_pins
[2];
2042 cfg
->line_out_pins
[2] = nid
;
2045 nid
= cfg
->line_out_pins
[1];
2046 cfg
->line_out_pins
[1] = cfg
->line_out_pins
[3];
2047 cfg
->line_out_pins
[3] = cfg
->line_out_pins
[2];
2048 cfg
->line_out_pins
[2] = nid
;
2055 /* labels for input pins */
2056 const char *auto_pin_cfg_labels
[AUTO_PIN_LAST
] = {
2057 "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
2067 * snd_hda_suspend - suspend the codecs
2069 * @state: suspsend state
2071 * Returns 0 if successful.
2073 int snd_hda_suspend(struct hda_bus
*bus
, pm_message_t state
)
2075 struct list_head
*p
;
2077 /* FIXME: should handle power widget capabilities */
2078 list_for_each(p
, &bus
->codec_list
) {
2079 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
2080 if (codec
->patch_ops
.suspend
)
2081 codec
->patch_ops
.suspend(codec
, state
);
2082 hda_set_power_state(codec
,
2083 codec
->afg
? codec
->afg
: codec
->mfg
,
2090 * snd_hda_resume - resume the codecs
2092 * @state: resume state
2094 * Returns 0 if successful.
2096 int snd_hda_resume(struct hda_bus
*bus
)
2098 struct list_head
*p
;
2100 list_for_each(p
, &bus
->codec_list
) {
2101 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
2102 hda_set_power_state(codec
,
2103 codec
->afg
? codec
->afg
: codec
->mfg
,
2105 if (codec
->patch_ops
.resume
)
2106 codec
->patch_ops
.resume(codec
);
2112 * snd_hda_resume_ctls - resume controls in the new control list
2113 * @codec: the HDA codec
2114 * @knew: the array of struct snd_kcontrol_new
2116 * This function resumes the mixer controls in the struct snd_kcontrol_new array,
2117 * originally for snd_hda_add_new_ctls().
2118 * The array must be terminated with an empty entry as terminator.
2120 int snd_hda_resume_ctls(struct hda_codec
*codec
, struct snd_kcontrol_new
*knew
)
2122 struct snd_ctl_elem_value
*val
;
2124 val
= kmalloc(sizeof(*val
), GFP_KERNEL
);
2127 codec
->in_resume
= 1;
2128 for (; knew
->name
; knew
++) {
2130 count
= knew
->count
? knew
->count
: 1;
2131 for (i
= 0; i
< count
; i
++) {
2132 memset(val
, 0, sizeof(*val
));
2133 val
->id
.iface
= knew
->iface
;
2134 val
->id
.device
= knew
->device
;
2135 val
->id
.subdevice
= knew
->subdevice
;
2136 strcpy(val
->id
.name
, knew
->name
);
2137 val
->id
.index
= knew
->index
? knew
->index
: i
;
2138 /* Assume that get callback reads only from cache,
2139 * not accessing to the real hardware
2141 if (snd_ctl_elem_read(codec
->bus
->card
, val
) < 0)
2143 snd_ctl_elem_write(codec
->bus
->card
, NULL
, val
);
2146 codec
->in_resume
= 0;
2152 * snd_hda_resume_spdif_out - resume the digital out
2153 * @codec: the HDA codec
2155 int snd_hda_resume_spdif_out(struct hda_codec
*codec
)
2157 return snd_hda_resume_ctls(codec
, dig_mixes
);
2161 * snd_hda_resume_spdif_in - resume the digital in
2162 * @codec: the HDA codec
2164 int snd_hda_resume_spdif_in(struct hda_codec
*codec
)
2166 return snd_hda_resume_ctls(codec
, dig_in_ctls
);
2171 * symbols exported for controller modules
2173 EXPORT_SYMBOL(snd_hda_codec_read
);
2174 EXPORT_SYMBOL(snd_hda_codec_write
);
2175 EXPORT_SYMBOL(snd_hda_sequence_write
);
2176 EXPORT_SYMBOL(snd_hda_get_sub_nodes
);
2177 EXPORT_SYMBOL(snd_hda_queue_unsol_event
);
2178 EXPORT_SYMBOL(snd_hda_bus_new
);
2179 EXPORT_SYMBOL(snd_hda_codec_new
);
2180 EXPORT_SYMBOL(snd_hda_codec_setup_stream
);
2181 EXPORT_SYMBOL(snd_hda_calc_stream_format
);
2182 EXPORT_SYMBOL(snd_hda_build_pcms
);
2183 EXPORT_SYMBOL(snd_hda_build_controls
);
2185 EXPORT_SYMBOL(snd_hda_suspend
);
2186 EXPORT_SYMBOL(snd_hda_resume
);
2193 static int __init
alsa_hda_init(void)
2198 static void __exit
alsa_hda_exit(void)
2202 module_init(alsa_hda_init
)
2203 module_exit(alsa_hda_exit
)