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 <sound/core.h>
29 #include "hda_codec.h"
30 #include <sound/asoundef.h>
31 #include <sound/initval.h>
32 #include "hda_local.h"
35 MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
36 MODULE_DESCRIPTION("Universal interface for High Definition Audio Codec");
37 MODULE_LICENSE("GPL");
41 * vendor / preset table
44 struct hda_vendor_id
{
49 /* codec vendor labels */
50 static struct hda_vendor_id hda_vendor_ids
[] = {
51 { 0x10ec, "Realtek" },
52 { 0x11d4, "Analog Devices" },
53 { 0x13f6, "C-Media" },
54 { 0x434d, "C-Media" },
55 { 0x8384, "SigmaTel" },
60 #include "hda_patch.h"
64 * snd_hda_codec_read - send a command and get the response
65 * @codec: the HDA codec
66 * @nid: NID to send the command
67 * @direct: direct flag
68 * @verb: the verb to send
69 * @parm: the parameter for the verb
71 * Send a single command and read the corresponding response.
73 * Returns the obtained response value, or -1 for an error.
75 unsigned int snd_hda_codec_read(struct hda_codec
*codec
, hda_nid_t nid
, int direct
,
76 unsigned int verb
, unsigned int parm
)
79 down(&codec
->bus
->cmd_mutex
);
80 if (! codec
->bus
->ops
.command(codec
, nid
, direct
, verb
, parm
))
81 res
= codec
->bus
->ops
.get_response(codec
);
83 res
= (unsigned int)-1;
84 up(&codec
->bus
->cmd_mutex
);
89 * snd_hda_codec_write - send a single command without waiting for response
90 * @codec: the HDA codec
91 * @nid: NID to send the command
92 * @direct: direct flag
93 * @verb: the verb to send
94 * @parm: the parameter for the verb
96 * Send a single command without waiting for response.
98 * Returns 0 if successful, or a negative error code.
100 int snd_hda_codec_write(struct hda_codec
*codec
, hda_nid_t nid
, int direct
,
101 unsigned int verb
, unsigned int parm
)
104 down(&codec
->bus
->cmd_mutex
);
105 err
= codec
->bus
->ops
.command(codec
, nid
, direct
, verb
, parm
);
106 up(&codec
->bus
->cmd_mutex
);
111 * snd_hda_sequence_write - sequence writes
112 * @codec: the HDA codec
113 * @seq: VERB array to send
115 * Send the commands sequentially from the given array.
116 * The array must be terminated with NID=0.
118 void snd_hda_sequence_write(struct hda_codec
*codec
, const struct hda_verb
*seq
)
120 for (; seq
->nid
; seq
++)
121 snd_hda_codec_write(codec
, seq
->nid
, 0, seq
->verb
, seq
->param
);
125 * snd_hda_get_sub_nodes - get the range of sub nodes
126 * @codec: the HDA codec
128 * @start_id: the pointer to store the start NID
130 * Parse the NID and store the start NID of its sub-nodes.
131 * Returns the number of sub-nodes.
133 int snd_hda_get_sub_nodes(struct hda_codec
*codec
, hda_nid_t nid
, hda_nid_t
*start_id
)
137 parm
= snd_hda_param_read(codec
, nid
, AC_PAR_NODE_COUNT
);
138 *start_id
= (parm
>> 16) & 0x7fff;
139 return (int)(parm
& 0x7fff);
143 * snd_hda_get_connections - get connection list
144 * @codec: the HDA codec
146 * @conn_list: connection list array
147 * @max_conns: max. number of connections to store
149 * Parses the connection list of the given widget and stores the list
152 * Returns the number of connections, or a negative error code.
154 int snd_hda_get_connections(struct hda_codec
*codec
, hda_nid_t nid
,
155 hda_nid_t
*conn_list
, int max_conns
)
158 int i
, conn_len
, conns
;
159 unsigned int shift
, num_elems
, mask
;
162 snd_assert(conn_list
&& max_conns
> 0, return -EINVAL
);
164 parm
= snd_hda_param_read(codec
, nid
, AC_PAR_CONNLIST_LEN
);
165 if (parm
& AC_CLIST_LONG
) {
174 conn_len
= parm
& AC_CLIST_LENGTH
;
175 mask
= (1 << (shift
-1)) - 1;
178 return 0; /* no connection */
181 /* single connection */
182 parm
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_CONNECT_LIST
, 0);
183 conn_list
[0] = parm
& mask
;
187 /* multi connection */
190 for (i
= 0; i
< conn_len
; i
++) {
194 if (i
% num_elems
== 0)
195 parm
= snd_hda_codec_read(codec
, nid
, 0,
196 AC_VERB_GET_CONNECT_LIST
, i
);
197 range_val
= !! (parm
& (1 << (shift
-1))); /* ranges */
201 /* ranges between the previous and this one */
202 if (! prev_nid
|| prev_nid
>= val
) {
203 snd_printk(KERN_WARNING
"hda_codec: invalid dep_range_val %x:%x\n", prev_nid
, val
);
206 for (n
= prev_nid
+ 1; n
<= val
; n
++) {
207 if (conns
>= max_conns
) {
208 snd_printk(KERN_ERR
"Too many connections\n");
211 conn_list
[conns
++] = n
;
214 if (conns
>= max_conns
) {
215 snd_printk(KERN_ERR
"Too many connections\n");
218 conn_list
[conns
++] = val
;
227 * snd_hda_queue_unsol_event - add an unsolicited event to queue
229 * @res: unsolicited event (lower 32bit of RIRB entry)
230 * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
232 * Adds the given event to the queue. The events are processed in
233 * the workqueue asynchronously. Call this function in the interrupt
234 * hanlder when RIRB receives an unsolicited event.
236 * Returns 0 if successful, or a negative error code.
238 int snd_hda_queue_unsol_event(struct hda_bus
*bus
, u32 res
, u32 res_ex
)
240 struct hda_bus_unsolicited
*unsol
;
243 if ((unsol
= bus
->unsol
) == NULL
)
246 wp
= (unsol
->wp
+ 1) % HDA_UNSOL_QUEUE_SIZE
;
250 unsol
->queue
[wp
] = res
;
251 unsol
->queue
[wp
+ 1] = res_ex
;
253 queue_work(unsol
->workq
, &unsol
->work
);
259 * process queueud unsolicited events
261 static void process_unsol_events(void *data
)
263 struct hda_bus
*bus
= data
;
264 struct hda_bus_unsolicited
*unsol
= bus
->unsol
;
265 struct hda_codec
*codec
;
266 unsigned int rp
, caddr
, res
;
268 while (unsol
->rp
!= unsol
->wp
) {
269 rp
= (unsol
->rp
+ 1) % HDA_UNSOL_QUEUE_SIZE
;
272 res
= unsol
->queue
[rp
];
273 caddr
= unsol
->queue
[rp
+ 1];
274 if (! (caddr
& (1 << 4))) /* no unsolicited event? */
276 codec
= bus
->caddr_tbl
[caddr
& 0x0f];
277 if (codec
&& codec
->patch_ops
.unsol_event
)
278 codec
->patch_ops
.unsol_event(codec
, res
);
283 * initialize unsolicited queue
285 static int init_unsol_queue(struct hda_bus
*bus
)
287 struct hda_bus_unsolicited
*unsol
;
289 if (bus
->unsol
) /* already initialized */
292 unsol
= kzalloc(sizeof(*unsol
), GFP_KERNEL
);
294 snd_printk(KERN_ERR
"hda_codec: can't allocate unsolicited queue\n");
297 unsol
->workq
= create_workqueue("hda_codec");
298 if (! unsol
->workq
) {
299 snd_printk(KERN_ERR
"hda_codec: can't create workqueue\n");
303 INIT_WORK(&unsol
->work
, process_unsol_events
, bus
);
311 static void snd_hda_codec_free(struct hda_codec
*codec
);
313 static int snd_hda_bus_free(struct hda_bus
*bus
)
315 struct list_head
*p
, *n
;
320 destroy_workqueue(bus
->unsol
->workq
);
323 list_for_each_safe(p
, n
, &bus
->codec_list
) {
324 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
325 snd_hda_codec_free(codec
);
327 if (bus
->ops
.private_free
)
328 bus
->ops
.private_free(bus
);
333 static int snd_hda_bus_dev_free(struct snd_device
*device
)
335 struct hda_bus
*bus
= device
->device_data
;
336 return snd_hda_bus_free(bus
);
340 * snd_hda_bus_new - create a HDA bus
341 * @card: the card entry
342 * @temp: the template for hda_bus information
343 * @busp: the pointer to store the created bus instance
345 * Returns 0 if successful, or a negative error code.
347 int snd_hda_bus_new(struct snd_card
*card
, const struct hda_bus_template
*temp
,
348 struct hda_bus
**busp
)
352 static struct snd_device_ops dev_ops
= {
353 .dev_free
= snd_hda_bus_dev_free
,
356 snd_assert(temp
, return -EINVAL
);
357 snd_assert(temp
->ops
.command
&& temp
->ops
.get_response
, return -EINVAL
);
362 bus
= kzalloc(sizeof(*bus
), GFP_KERNEL
);
364 snd_printk(KERN_ERR
"can't allocate struct hda_bus\n");
369 bus
->private_data
= temp
->private_data
;
370 bus
->pci
= temp
->pci
;
371 bus
->modelname
= temp
->modelname
;
372 bus
->ops
= temp
->ops
;
374 init_MUTEX(&bus
->cmd_mutex
);
375 INIT_LIST_HEAD(&bus
->codec_list
);
377 if ((err
= snd_device_new(card
, SNDRV_DEV_BUS
, bus
, &dev_ops
)) < 0) {
378 snd_hda_bus_free(bus
);
388 * find a matching codec preset
390 static const struct hda_codec_preset
*find_codec_preset(struct hda_codec
*codec
)
392 const struct hda_codec_preset
**tbl
, *preset
;
394 for (tbl
= hda_preset_tables
; *tbl
; tbl
++) {
395 for (preset
= *tbl
; preset
->id
; preset
++) {
396 u32 mask
= preset
->mask
;
399 if (preset
->id
== (codec
->vendor_id
& mask
))
407 * snd_hda_get_codec_name - store the codec name
409 void snd_hda_get_codec_name(struct hda_codec
*codec
,
410 char *name
, int namelen
)
412 const struct hda_vendor_id
*c
;
413 const char *vendor
= NULL
;
414 u16 vendor_id
= codec
->vendor_id
>> 16;
417 for (c
= hda_vendor_ids
; c
->id
; c
++) {
418 if (c
->id
== vendor_id
) {
424 sprintf(tmp
, "Generic %04x", vendor_id
);
427 if (codec
->preset
&& codec
->preset
->name
)
428 snprintf(name
, namelen
, "%s %s", vendor
, codec
->preset
->name
);
430 snprintf(name
, namelen
, "%s ID %x", vendor
, codec
->vendor_id
& 0xffff);
434 * look for an AFG and MFG nodes
436 static void setup_fg_nodes(struct hda_codec
*codec
)
441 total_nodes
= snd_hda_get_sub_nodes(codec
, AC_NODE_ROOT
, &nid
);
442 for (i
= 0; i
< total_nodes
; i
++, nid
++) {
443 switch((snd_hda_param_read(codec
, nid
, AC_PAR_FUNCTION_TYPE
) & 0xff)) {
444 case AC_GRP_AUDIO_FUNCTION
:
447 case AC_GRP_MODEM_FUNCTION
:
457 * read widget caps for each widget and store in cache
459 static int read_widget_caps(struct hda_codec
*codec
, hda_nid_t fg_node
)
464 codec
->num_nodes
= snd_hda_get_sub_nodes(codec
, fg_node
,
466 codec
->wcaps
= kmalloc(codec
->num_nodes
* 4, GFP_KERNEL
);
469 nid
= codec
->start_nid
;
470 for (i
= 0; i
< codec
->num_nodes
; i
++, nid
++)
471 codec
->wcaps
[i
] = snd_hda_param_read(codec
, nid
,
472 AC_PAR_AUDIO_WIDGET_CAP
);
480 static void snd_hda_codec_free(struct hda_codec
*codec
)
484 list_del(&codec
->list
);
485 codec
->bus
->caddr_tbl
[codec
->addr
] = NULL
;
486 if (codec
->patch_ops
.free
)
487 codec
->patch_ops
.free(codec
);
488 kfree(codec
->amp_info
);
493 static void init_amp_hash(struct hda_codec
*codec
);
496 * snd_hda_codec_new - create a HDA codec
497 * @bus: the bus to assign
498 * @codec_addr: the codec address
499 * @codecp: the pointer to store the generated codec
501 * Returns 0 if successful, or a negative error code.
503 int snd_hda_codec_new(struct hda_bus
*bus
, unsigned int codec_addr
,
504 struct hda_codec
**codecp
)
506 struct hda_codec
*codec
;
510 snd_assert(bus
, return -EINVAL
);
511 snd_assert(codec_addr
<= HDA_MAX_CODEC_ADDRESS
, return -EINVAL
);
513 if (bus
->caddr_tbl
[codec_addr
]) {
514 snd_printk(KERN_ERR
"hda_codec: address 0x%x is already occupied\n", codec_addr
);
518 codec
= kzalloc(sizeof(*codec
), GFP_KERNEL
);
520 snd_printk(KERN_ERR
"can't allocate struct hda_codec\n");
525 codec
->addr
= codec_addr
;
526 init_MUTEX(&codec
->spdif_mutex
);
527 init_amp_hash(codec
);
529 list_add_tail(&codec
->list
, &bus
->codec_list
);
530 bus
->caddr_tbl
[codec_addr
] = codec
;
532 codec
->vendor_id
= snd_hda_param_read(codec
, AC_NODE_ROOT
, AC_PAR_VENDOR_ID
);
533 codec
->subsystem_id
= snd_hda_param_read(codec
, AC_NODE_ROOT
, AC_PAR_SUBSYSTEM_ID
);
534 codec
->revision_id
= snd_hda_param_read(codec
, AC_NODE_ROOT
, AC_PAR_REV_ID
);
536 setup_fg_nodes(codec
);
537 if (! codec
->afg
&& ! codec
->mfg
) {
538 snd_printdd("hda_codec: no AFG or MFG node found\n");
539 snd_hda_codec_free(codec
);
543 if (read_widget_caps(codec
, codec
->afg
? codec
->afg
: codec
->mfg
) < 0) {
544 snd_printk(KERN_ERR
"hda_codec: cannot malloc\n");
545 snd_hda_codec_free(codec
);
549 if (! codec
->subsystem_id
) {
550 hda_nid_t nid
= codec
->afg
? codec
->afg
: codec
->mfg
;
551 codec
->subsystem_id
= snd_hda_codec_read(codec
, nid
, 0,
552 AC_VERB_GET_SUBSYSTEM_ID
,
556 codec
->preset
= find_codec_preset(codec
);
557 if (! *bus
->card
->mixername
)
558 snd_hda_get_codec_name(codec
, bus
->card
->mixername
,
559 sizeof(bus
->card
->mixername
));
561 if (codec
->preset
&& codec
->preset
->patch
)
562 err
= codec
->preset
->patch(codec
);
564 err
= snd_hda_parse_generic_codec(codec
);
566 snd_hda_codec_free(codec
);
570 if (codec
->patch_ops
.unsol_event
)
571 init_unsol_queue(bus
);
573 snd_hda_codec_proc_new(codec
);
575 sprintf(component
, "HDA:%08x", codec
->vendor_id
);
576 snd_component_add(codec
->bus
->card
, component
);
584 * snd_hda_codec_setup_stream - set up the codec for streaming
585 * @codec: the CODEC to set up
586 * @nid: the NID to set up
587 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
588 * @channel_id: channel id to pass, zero based.
589 * @format: stream format.
591 void snd_hda_codec_setup_stream(struct hda_codec
*codec
, hda_nid_t nid
, u32 stream_tag
,
592 int channel_id
, int format
)
597 snd_printdd("hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
598 nid
, stream_tag
, channel_id
, format
);
599 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_CHANNEL_STREAMID
,
600 (stream_tag
<< 4) | channel_id
);
602 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_STREAM_FORMAT
, format
);
607 * amp access functions
610 /* FIXME: more better hash key? */
611 #define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
612 #define INFO_AMP_CAPS (1<<0)
613 #define INFO_AMP_VOL(ch) (1 << (1 + (ch)))
615 /* initialize the hash table */
616 static void init_amp_hash(struct hda_codec
*codec
)
618 memset(codec
->amp_hash
, 0xff, sizeof(codec
->amp_hash
));
619 codec
->num_amp_entries
= 0;
620 codec
->amp_info_size
= 0;
621 codec
->amp_info
= NULL
;
624 /* query the hash. allocate an entry if not found. */
625 static struct hda_amp_info
*get_alloc_amp_hash(struct hda_codec
*codec
, u32 key
)
627 u16 idx
= key
% (u16
)ARRAY_SIZE(codec
->amp_hash
);
628 u16 cur
= codec
->amp_hash
[idx
];
629 struct hda_amp_info
*info
;
631 while (cur
!= 0xffff) {
632 info
= &codec
->amp_info
[cur
];
633 if (info
->key
== key
)
638 /* add a new hash entry */
639 if (codec
->num_amp_entries
>= codec
->amp_info_size
) {
640 /* reallocate the array */
641 int new_size
= codec
->amp_info_size
+ 64;
642 struct hda_amp_info
*new_info
= kcalloc(new_size
, sizeof(struct hda_amp_info
),
645 snd_printk(KERN_ERR
"hda_codec: can't malloc amp_info\n");
648 if (codec
->amp_info
) {
649 memcpy(new_info
, codec
->amp_info
,
650 codec
->amp_info_size
* sizeof(struct hda_amp_info
));
651 kfree(codec
->amp_info
);
653 codec
->amp_info_size
= new_size
;
654 codec
->amp_info
= new_info
;
656 cur
= codec
->num_amp_entries
++;
657 info
= &codec
->amp_info
[cur
];
659 info
->status
= 0; /* not initialized yet */
660 info
->next
= codec
->amp_hash
[idx
];
661 codec
->amp_hash
[idx
] = cur
;
667 * query AMP capabilities for the given widget and direction
669 static u32
query_amp_caps(struct hda_codec
*codec
, hda_nid_t nid
, int direction
)
671 struct hda_amp_info
*info
= get_alloc_amp_hash(codec
, HDA_HASH_KEY(nid
, direction
, 0));
675 if (! (info
->status
& INFO_AMP_CAPS
)) {
676 if (! (get_wcaps(codec
, nid
) & AC_WCAP_AMP_OVRD
))
678 info
->amp_caps
= snd_hda_param_read(codec
, nid
, direction
== HDA_OUTPUT
?
679 AC_PAR_AMP_OUT_CAP
: AC_PAR_AMP_IN_CAP
);
680 info
->status
|= INFO_AMP_CAPS
;
682 return info
->amp_caps
;
686 * read the current volume to info
687 * if the cache exists, read the cache value.
689 static unsigned int get_vol_mute(struct hda_codec
*codec
, struct hda_amp_info
*info
,
690 hda_nid_t nid
, int ch
, int direction
, int index
)
694 if (info
->status
& INFO_AMP_VOL(ch
))
695 return info
->vol
[ch
];
697 parm
= ch
? AC_AMP_GET_RIGHT
: AC_AMP_GET_LEFT
;
698 parm
|= direction
== HDA_OUTPUT
? AC_AMP_GET_OUTPUT
: AC_AMP_GET_INPUT
;
700 val
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_AMP_GAIN_MUTE
, parm
);
701 info
->vol
[ch
] = val
& 0xff;
702 info
->status
|= INFO_AMP_VOL(ch
);
703 return info
->vol
[ch
];
707 * write the current volume in info to the h/w and update the cache
709 static void put_vol_mute(struct hda_codec
*codec
, struct hda_amp_info
*info
,
710 hda_nid_t nid
, int ch
, int direction
, int index
, int val
)
714 parm
= ch
? AC_AMP_SET_RIGHT
: AC_AMP_SET_LEFT
;
715 parm
|= direction
== HDA_OUTPUT
? AC_AMP_SET_OUTPUT
: AC_AMP_SET_INPUT
;
716 parm
|= index
<< AC_AMP_SET_INDEX_SHIFT
;
718 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_AMP_GAIN_MUTE
, parm
);
723 * read AMP value. The volume is between 0 to 0x7f, 0x80 = mute bit.
725 static int snd_hda_codec_amp_read(struct hda_codec
*codec
, hda_nid_t nid
, int ch
, int direction
, int index
)
727 struct hda_amp_info
*info
= get_alloc_amp_hash(codec
, HDA_HASH_KEY(nid
, direction
, index
));
730 return get_vol_mute(codec
, info
, nid
, ch
, direction
, index
);
734 * update the AMP value, mask = bit mask to set, val = the value
736 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
)
738 struct hda_amp_info
*info
= get_alloc_amp_hash(codec
, HDA_HASH_KEY(nid
, direction
, idx
));
743 val
|= get_vol_mute(codec
, info
, nid
, ch
, direction
, idx
) & ~mask
;
744 if (info
->vol
[ch
] == val
&& ! codec
->in_resume
)
746 put_vol_mute(codec
, info
, nid
, ch
, direction
, idx
, val
);
752 * AMP control callbacks
754 /* retrieve parameters from private_value */
755 #define get_amp_nid(kc) ((kc)->private_value & 0xffff)
756 #define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3)
757 #define get_amp_direction(kc) (((kc)->private_value >> 18) & 0x1)
758 #define get_amp_index(kc) (((kc)->private_value >> 19) & 0xf)
761 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_info
*uinfo
)
763 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
764 u16 nid
= get_amp_nid(kcontrol
);
765 u8 chs
= get_amp_channels(kcontrol
);
766 int dir
= get_amp_direction(kcontrol
);
769 caps
= query_amp_caps(codec
, nid
, dir
);
770 caps
= (caps
& AC_AMPCAP_NUM_STEPS
) >> AC_AMPCAP_NUM_STEPS_SHIFT
; /* num steps */
772 printk(KERN_WARNING
"hda_codec: num_steps = 0 for NID=0x%x\n", nid
);
775 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_INTEGER
;
776 uinfo
->count
= chs
== 3 ? 2 : 1;
777 uinfo
->value
.integer
.min
= 0;
778 uinfo
->value
.integer
.max
= caps
;
782 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
784 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
785 hda_nid_t nid
= get_amp_nid(kcontrol
);
786 int chs
= get_amp_channels(kcontrol
);
787 int dir
= get_amp_direction(kcontrol
);
788 int idx
= get_amp_index(kcontrol
);
789 long *valp
= ucontrol
->value
.integer
.value
;
792 *valp
++ = snd_hda_codec_amp_read(codec
, nid
, 0, dir
, idx
) & 0x7f;
794 *valp
= snd_hda_codec_amp_read(codec
, nid
, 1, dir
, idx
) & 0x7f;
798 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
800 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
801 hda_nid_t nid
= get_amp_nid(kcontrol
);
802 int chs
= get_amp_channels(kcontrol
);
803 int dir
= get_amp_direction(kcontrol
);
804 int idx
= get_amp_index(kcontrol
);
805 long *valp
= ucontrol
->value
.integer
.value
;
809 change
= snd_hda_codec_amp_update(codec
, nid
, 0, dir
, idx
,
814 change
|= snd_hda_codec_amp_update(codec
, nid
, 1, dir
, idx
,
820 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_info
*uinfo
)
822 int chs
= get_amp_channels(kcontrol
);
824 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_BOOLEAN
;
825 uinfo
->count
= chs
== 3 ? 2 : 1;
826 uinfo
->value
.integer
.min
= 0;
827 uinfo
->value
.integer
.max
= 1;
831 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
833 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
834 hda_nid_t nid
= get_amp_nid(kcontrol
);
835 int chs
= get_amp_channels(kcontrol
);
836 int dir
= get_amp_direction(kcontrol
);
837 int idx
= get_amp_index(kcontrol
);
838 long *valp
= ucontrol
->value
.integer
.value
;
841 *valp
++ = (snd_hda_codec_amp_read(codec
, nid
, 0, dir
, idx
) & 0x80) ? 0 : 1;
843 *valp
= (snd_hda_codec_amp_read(codec
, nid
, 1, dir
, idx
) & 0x80) ? 0 : 1;
847 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
849 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
850 hda_nid_t nid
= get_amp_nid(kcontrol
);
851 int chs
= get_amp_channels(kcontrol
);
852 int dir
= get_amp_direction(kcontrol
);
853 int idx
= get_amp_index(kcontrol
);
854 long *valp
= ucontrol
->value
.integer
.value
;
858 change
= snd_hda_codec_amp_update(codec
, nid
, 0, dir
, idx
,
859 0x80, *valp
? 0 : 0x80);
863 change
|= snd_hda_codec_amp_update(codec
, nid
, 1, dir
, idx
,
864 0x80, *valp
? 0 : 0x80);
870 * bound volume controls
872 * bind multiple volumes (# indices, from 0)
875 #define AMP_VAL_IDX_SHIFT 19
876 #define AMP_VAL_IDX_MASK (0x0f<<19)
878 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
880 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
884 down(&codec
->spdif_mutex
); /* reuse spdif_mutex */
885 pval
= kcontrol
->private_value
;
886 kcontrol
->private_value
= pval
& ~AMP_VAL_IDX_MASK
; /* index 0 */
887 err
= snd_hda_mixer_amp_switch_get(kcontrol
, ucontrol
);
888 kcontrol
->private_value
= pval
;
889 up(&codec
->spdif_mutex
);
893 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
895 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
897 int i
, indices
, err
= 0, change
= 0;
899 down(&codec
->spdif_mutex
); /* reuse spdif_mutex */
900 pval
= kcontrol
->private_value
;
901 indices
= (pval
& AMP_VAL_IDX_MASK
) >> AMP_VAL_IDX_SHIFT
;
902 for (i
= 0; i
< indices
; i
++) {
903 kcontrol
->private_value
= (pval
& ~AMP_VAL_IDX_MASK
) | (i
<< AMP_VAL_IDX_SHIFT
);
904 err
= snd_hda_mixer_amp_switch_put(kcontrol
, ucontrol
);
909 kcontrol
->private_value
= pval
;
910 up(&codec
->spdif_mutex
);
911 return err
< 0 ? err
: change
;
918 static int snd_hda_spdif_mask_info(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_info
*uinfo
)
920 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_IEC958
;
925 static int snd_hda_spdif_cmask_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
927 ucontrol
->value
.iec958
.status
[0] = IEC958_AES0_PROFESSIONAL
|
928 IEC958_AES0_NONAUDIO
|
929 IEC958_AES0_CON_EMPHASIS_5015
|
930 IEC958_AES0_CON_NOT_COPYRIGHT
;
931 ucontrol
->value
.iec958
.status
[1] = IEC958_AES1_CON_CATEGORY
|
932 IEC958_AES1_CON_ORIGINAL
;
936 static int snd_hda_spdif_pmask_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
938 ucontrol
->value
.iec958
.status
[0] = IEC958_AES0_PROFESSIONAL
|
939 IEC958_AES0_NONAUDIO
|
940 IEC958_AES0_PRO_EMPHASIS_5015
;
944 static int snd_hda_spdif_default_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
946 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
948 ucontrol
->value
.iec958
.status
[0] = codec
->spdif_status
& 0xff;
949 ucontrol
->value
.iec958
.status
[1] = (codec
->spdif_status
>> 8) & 0xff;
950 ucontrol
->value
.iec958
.status
[2] = (codec
->spdif_status
>> 16) & 0xff;
951 ucontrol
->value
.iec958
.status
[3] = (codec
->spdif_status
>> 24) & 0xff;
956 /* convert from SPDIF status bits to HDA SPDIF bits
957 * bit 0 (DigEn) is always set zero (to be filled later)
959 static unsigned short convert_from_spdif_status(unsigned int sbits
)
961 unsigned short val
= 0;
963 if (sbits
& IEC958_AES0_PROFESSIONAL
)
965 if (sbits
& IEC958_AES0_NONAUDIO
)
967 if (sbits
& IEC958_AES0_PROFESSIONAL
) {
968 if ((sbits
& IEC958_AES0_PRO_EMPHASIS
) == IEC958_AES0_PRO_EMPHASIS_5015
)
971 if ((sbits
& IEC958_AES0_CON_EMPHASIS
) == IEC958_AES0_CON_EMPHASIS_5015
)
973 if (! (sbits
& IEC958_AES0_CON_NOT_COPYRIGHT
))
975 if (sbits
& (IEC958_AES1_CON_ORIGINAL
<< 8))
977 val
|= sbits
& (IEC958_AES1_CON_CATEGORY
<< 8);
982 /* convert to SPDIF status bits from HDA SPDIF bits
984 static unsigned int convert_to_spdif_status(unsigned short val
)
986 unsigned int sbits
= 0;
989 sbits
|= IEC958_AES0_NONAUDIO
;
991 sbits
|= IEC958_AES0_PROFESSIONAL
;
992 if (sbits
& IEC958_AES0_PROFESSIONAL
) {
993 if (sbits
& (1 << 3))
994 sbits
|= IEC958_AES0_PRO_EMPHASIS_5015
;
997 sbits
|= IEC958_AES0_CON_EMPHASIS_5015
;
998 if (! (val
& (1 << 4)))
999 sbits
|= IEC958_AES0_CON_NOT_COPYRIGHT
;
1001 sbits
|= (IEC958_AES1_CON_ORIGINAL
<< 8);
1002 sbits
|= val
& (0x7f << 8);
1007 static int snd_hda_spdif_default_put(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1009 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1010 hda_nid_t nid
= kcontrol
->private_value
;
1014 down(&codec
->spdif_mutex
);
1015 codec
->spdif_status
= ucontrol
->value
.iec958
.status
[0] |
1016 ((unsigned int)ucontrol
->value
.iec958
.status
[1] << 8) |
1017 ((unsigned int)ucontrol
->value
.iec958
.status
[2] << 16) |
1018 ((unsigned int)ucontrol
->value
.iec958
.status
[3] << 24);
1019 val
= convert_from_spdif_status(codec
->spdif_status
);
1020 val
|= codec
->spdif_ctls
& 1;
1021 change
= codec
->spdif_ctls
!= val
;
1022 codec
->spdif_ctls
= val
;
1024 if (change
|| codec
->in_resume
) {
1025 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_DIGI_CONVERT_1
, val
& 0xff);
1026 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_DIGI_CONVERT_2
, val
>> 8);
1029 up(&codec
->spdif_mutex
);
1033 static int snd_hda_spdif_out_switch_info(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_info
*uinfo
)
1035 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_BOOLEAN
;
1037 uinfo
->value
.integer
.min
= 0;
1038 uinfo
->value
.integer
.max
= 1;
1042 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1044 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1046 ucontrol
->value
.integer
.value
[0] = codec
->spdif_ctls
& 1;
1050 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1052 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1053 hda_nid_t nid
= kcontrol
->private_value
;
1057 down(&codec
->spdif_mutex
);
1058 val
= codec
->spdif_ctls
& ~1;
1059 if (ucontrol
->value
.integer
.value
[0])
1061 change
= codec
->spdif_ctls
!= val
;
1062 if (change
|| codec
->in_resume
) {
1063 codec
->spdif_ctls
= val
;
1064 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_DIGI_CONVERT_1
, val
& 0xff);
1065 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_AMP_GAIN_MUTE
,
1066 AC_AMP_SET_RIGHT
| AC_AMP_SET_LEFT
|
1067 AC_AMP_SET_OUTPUT
| ((val
& 1) ? 0 : 0x80));
1069 up(&codec
->spdif_mutex
);
1073 static struct snd_kcontrol_new dig_mixes
[] = {
1075 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
1076 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1077 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,CON_MASK
),
1078 .info
= snd_hda_spdif_mask_info
,
1079 .get
= snd_hda_spdif_cmask_get
,
1082 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
1083 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1084 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,PRO_MASK
),
1085 .info
= snd_hda_spdif_mask_info
,
1086 .get
= snd_hda_spdif_pmask_get
,
1089 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1090 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,DEFAULT
),
1091 .info
= snd_hda_spdif_mask_info
,
1092 .get
= snd_hda_spdif_default_get
,
1093 .put
= snd_hda_spdif_default_put
,
1096 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1097 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,SWITCH
),
1098 .info
= snd_hda_spdif_out_switch_info
,
1099 .get
= snd_hda_spdif_out_switch_get
,
1100 .put
= snd_hda_spdif_out_switch_put
,
1106 * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1107 * @codec: the HDA codec
1108 * @nid: audio out widget NID
1110 * Creates controls related with the SPDIF output.
1111 * Called from each patch supporting the SPDIF out.
1113 * Returns 0 if successful, or a negative error code.
1115 int snd_hda_create_spdif_out_ctls(struct hda_codec
*codec
, hda_nid_t nid
)
1118 struct snd_kcontrol
*kctl
;
1119 struct snd_kcontrol_new
*dig_mix
;
1121 for (dig_mix
= dig_mixes
; dig_mix
->name
; dig_mix
++) {
1122 kctl
= snd_ctl_new1(dig_mix
, codec
);
1123 kctl
->private_value
= nid
;
1124 if ((err
= snd_ctl_add(codec
->bus
->card
, kctl
)) < 0)
1127 codec
->spdif_ctls
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_DIGI_CONVERT
, 0);
1128 codec
->spdif_status
= convert_to_spdif_status(codec
->spdif_ctls
);
1136 #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
1138 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1140 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1142 ucontrol
->value
.integer
.value
[0] = codec
->spdif_in_enable
;
1146 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1148 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1149 hda_nid_t nid
= kcontrol
->private_value
;
1150 unsigned int val
= !!ucontrol
->value
.integer
.value
[0];
1153 down(&codec
->spdif_mutex
);
1154 change
= codec
->spdif_in_enable
!= val
;
1155 if (change
|| codec
->in_resume
) {
1156 codec
->spdif_in_enable
= val
;
1157 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_DIGI_CONVERT_1
, val
);
1159 up(&codec
->spdif_mutex
);
1163 static int snd_hda_spdif_in_status_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1165 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1166 hda_nid_t nid
= kcontrol
->private_value
;
1170 val
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_DIGI_CONVERT
, 0);
1171 sbits
= convert_to_spdif_status(val
);
1172 ucontrol
->value
.iec958
.status
[0] = sbits
;
1173 ucontrol
->value
.iec958
.status
[1] = sbits
>> 8;
1174 ucontrol
->value
.iec958
.status
[2] = sbits
>> 16;
1175 ucontrol
->value
.iec958
.status
[3] = sbits
>> 24;
1179 static struct snd_kcontrol_new dig_in_ctls
[] = {
1181 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1182 .name
= SNDRV_CTL_NAME_IEC958("",CAPTURE
,SWITCH
),
1183 .info
= snd_hda_spdif_in_switch_info
,
1184 .get
= snd_hda_spdif_in_switch_get
,
1185 .put
= snd_hda_spdif_in_switch_put
,
1188 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
1189 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1190 .name
= SNDRV_CTL_NAME_IEC958("",CAPTURE
,DEFAULT
),
1191 .info
= snd_hda_spdif_mask_info
,
1192 .get
= snd_hda_spdif_in_status_get
,
1198 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1199 * @codec: the HDA codec
1200 * @nid: audio in widget NID
1202 * Creates controls related with the SPDIF input.
1203 * Called from each patch supporting the SPDIF in.
1205 * Returns 0 if successful, or a negative error code.
1207 int snd_hda_create_spdif_in_ctls(struct hda_codec
*codec
, hda_nid_t nid
)
1210 struct snd_kcontrol
*kctl
;
1211 struct snd_kcontrol_new
*dig_mix
;
1213 for (dig_mix
= dig_in_ctls
; dig_mix
->name
; dig_mix
++) {
1214 kctl
= snd_ctl_new1(dig_mix
, codec
);
1215 kctl
->private_value
= nid
;
1216 if ((err
= snd_ctl_add(codec
->bus
->card
, kctl
)) < 0)
1219 codec
->spdif_in_enable
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_DIGI_CONVERT
, 0) & 1;
1225 * set power state of the codec
1227 static void hda_set_power_state(struct hda_codec
*codec
, hda_nid_t fg
,
1228 unsigned int power_state
)
1230 hda_nid_t nid
, nid_start
;
1233 snd_hda_codec_write(codec
, fg
, 0, AC_VERB_SET_POWER_STATE
,
1236 nodes
= snd_hda_get_sub_nodes(codec
, fg
, &nid_start
);
1237 for (nid
= nid_start
; nid
< nodes
+ nid_start
; nid
++) {
1238 if (get_wcaps(codec
, nid
) & AC_WCAP_POWER
)
1239 snd_hda_codec_write(codec
, nid
, 0,
1240 AC_VERB_SET_POWER_STATE
,
1244 if (power_state
== AC_PWRST_D0
)
1250 * snd_hda_build_controls - build mixer controls
1253 * Creates mixer controls for each codec included in the bus.
1255 * Returns 0 if successful, otherwise a negative error code.
1257 int snd_hda_build_controls(struct hda_bus
*bus
)
1259 struct list_head
*p
;
1261 /* build controls */
1262 list_for_each(p
, &bus
->codec_list
) {
1263 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
1265 if (! codec
->patch_ops
.build_controls
)
1267 err
= codec
->patch_ops
.build_controls(codec
);
1273 list_for_each(p
, &bus
->codec_list
) {
1274 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
1276 hda_set_power_state(codec
,
1277 codec
->afg
? codec
->afg
: codec
->mfg
,
1279 if (! codec
->patch_ops
.init
)
1281 err
= codec
->patch_ops
.init(codec
);
1292 struct hda_rate_tbl
{
1294 unsigned int alsa_bits
;
1295 unsigned int hda_fmt
;
1298 static struct hda_rate_tbl rate_bits
[] = {
1299 /* rate in Hz, ALSA rate bitmask, HDA format value */
1301 /* autodetected value used in snd_hda_query_supported_pcm */
1302 { 8000, SNDRV_PCM_RATE_8000
, 0x0500 }, /* 1/6 x 48 */
1303 { 11025, SNDRV_PCM_RATE_11025
, 0x4300 }, /* 1/4 x 44 */
1304 { 16000, SNDRV_PCM_RATE_16000
, 0x0200 }, /* 1/3 x 48 */
1305 { 22050, SNDRV_PCM_RATE_22050
, 0x4100 }, /* 1/2 x 44 */
1306 { 32000, SNDRV_PCM_RATE_32000
, 0x0a00 }, /* 2/3 x 48 */
1307 { 44100, SNDRV_PCM_RATE_44100
, 0x4000 }, /* 44 */
1308 { 48000, SNDRV_PCM_RATE_48000
, 0x0000 }, /* 48 */
1309 { 88200, SNDRV_PCM_RATE_88200
, 0x4800 }, /* 2 x 44 */
1310 { 96000, SNDRV_PCM_RATE_96000
, 0x0800 }, /* 2 x 48 */
1311 { 176400, SNDRV_PCM_RATE_176400
, 0x5800 },/* 4 x 44 */
1312 { 192000, SNDRV_PCM_RATE_192000
, 0x1800 }, /* 4 x 48 */
1314 /* not autodetected value */
1315 { 9600, SNDRV_PCM_RATE_KNOT
, 0x0400 }, /* 1/5 x 48 */
1317 { 0 } /* terminator */
1321 * snd_hda_calc_stream_format - calculate format bitset
1322 * @rate: the sample rate
1323 * @channels: the number of channels
1324 * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
1325 * @maxbps: the max. bps
1327 * Calculate the format bitset from the given rate, channels and th PCM format.
1329 * Return zero if invalid.
1331 unsigned int snd_hda_calc_stream_format(unsigned int rate
,
1332 unsigned int channels
,
1333 unsigned int format
,
1334 unsigned int maxbps
)
1337 unsigned int val
= 0;
1339 for (i
= 0; rate_bits
[i
].hz
; i
++)
1340 if (rate_bits
[i
].hz
== rate
) {
1341 val
= rate_bits
[i
].hda_fmt
;
1344 if (! rate_bits
[i
].hz
) {
1345 snd_printdd("invalid rate %d\n", rate
);
1349 if (channels
== 0 || channels
> 8) {
1350 snd_printdd("invalid channels %d\n", channels
);
1353 val
|= channels
- 1;
1355 switch (snd_pcm_format_width(format
)) {
1356 case 8: val
|= 0x00; break;
1357 case 16: val
|= 0x10; break;
1363 else if (maxbps
>= 24)
1369 snd_printdd("invalid format width %d\n", snd_pcm_format_width(format
));
1377 * snd_hda_query_supported_pcm - query the supported PCM rates and formats
1378 * @codec: the HDA codec
1379 * @nid: NID to query
1380 * @ratesp: the pointer to store the detected rate bitflags
1381 * @formatsp: the pointer to store the detected formats
1382 * @bpsp: the pointer to store the detected format widths
1384 * Queries the supported PCM rates and formats. The NULL @ratesp, @formatsp
1385 * or @bsps argument is ignored.
1387 * Returns 0 if successful, otherwise a negative error code.
1389 int snd_hda_query_supported_pcm(struct hda_codec
*codec
, hda_nid_t nid
,
1390 u32
*ratesp
, u64
*formatsp
, unsigned int *bpsp
)
1393 unsigned int val
, streams
;
1396 if (nid
!= codec
->afg
&&
1397 (get_wcaps(codec
, nid
) & AC_WCAP_FORMAT_OVRD
)) {
1398 val
= snd_hda_param_read(codec
, nid
, AC_PAR_PCM
);
1403 val
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_PCM
);
1407 for (i
= 0; rate_bits
[i
].hz
; i
++) {
1409 rates
|= rate_bits
[i
].alsa_bits
;
1414 if (formatsp
|| bpsp
) {
1419 wcaps
= get_wcaps(codec
, nid
);
1420 streams
= snd_hda_param_read(codec
, nid
, AC_PAR_STREAM
);
1424 streams
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_STREAM
);
1430 if (streams
& AC_SUPFMT_PCM
) {
1431 if (val
& AC_SUPPCM_BITS_8
) {
1432 formats
|= SNDRV_PCM_FMTBIT_U8
;
1435 if (val
& AC_SUPPCM_BITS_16
) {
1436 formats
|= SNDRV_PCM_FMTBIT_S16_LE
;
1439 if (wcaps
& AC_WCAP_DIGITAL
) {
1440 if (val
& AC_SUPPCM_BITS_32
)
1441 formats
|= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE
;
1442 if (val
& (AC_SUPPCM_BITS_20
|AC_SUPPCM_BITS_24
))
1443 formats
|= SNDRV_PCM_FMTBIT_S32_LE
;
1444 if (val
& AC_SUPPCM_BITS_24
)
1446 else if (val
& AC_SUPPCM_BITS_20
)
1448 } else if (val
& (AC_SUPPCM_BITS_20
|AC_SUPPCM_BITS_24
|AC_SUPPCM_BITS_32
)) {
1449 formats
|= SNDRV_PCM_FMTBIT_S32_LE
;
1450 if (val
& AC_SUPPCM_BITS_32
)
1452 else if (val
& AC_SUPPCM_BITS_20
)
1454 else if (val
& AC_SUPPCM_BITS_24
)
1458 else if (streams
== AC_SUPFMT_FLOAT32
) { /* should be exclusive */
1459 formats
|= SNDRV_PCM_FMTBIT_FLOAT_LE
;
1461 } else if (streams
== AC_SUPFMT_AC3
) { /* should be exclusive */
1462 /* temporary hack: we have still no proper support
1463 * for the direct AC3 stream...
1465 formats
|= SNDRV_PCM_FMTBIT_U8
;
1469 *formatsp
= formats
;
1478 * snd_hda_is_supported_format - check whether the given node supports the format val
1480 * Returns 1 if supported, 0 if not.
1482 int snd_hda_is_supported_format(struct hda_codec
*codec
, hda_nid_t nid
,
1483 unsigned int format
)
1486 unsigned int val
= 0, rate
, stream
;
1488 if (nid
!= codec
->afg
&&
1489 (get_wcaps(codec
, nid
) & AC_WCAP_FORMAT_OVRD
)) {
1490 val
= snd_hda_param_read(codec
, nid
, AC_PAR_PCM
);
1495 val
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_PCM
);
1500 rate
= format
& 0xff00;
1501 for (i
= 0; rate_bits
[i
].hz
; i
++)
1502 if (rate_bits
[i
].hda_fmt
== rate
) {
1507 if (! rate_bits
[i
].hz
)
1510 stream
= snd_hda_param_read(codec
, nid
, AC_PAR_STREAM
);
1513 if (! stream
&& nid
!= codec
->afg
)
1514 stream
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_STREAM
);
1515 if (! stream
|| stream
== -1)
1518 if (stream
& AC_SUPFMT_PCM
) {
1519 switch (format
& 0xf0) {
1521 if (! (val
& AC_SUPPCM_BITS_8
))
1525 if (! (val
& AC_SUPPCM_BITS_16
))
1529 if (! (val
& AC_SUPPCM_BITS_20
))
1533 if (! (val
& AC_SUPPCM_BITS_24
))
1537 if (! (val
& AC_SUPPCM_BITS_32
))
1544 /* FIXME: check for float32 and AC3? */
1553 static int hda_pcm_default_open_close(struct hda_pcm_stream
*hinfo
,
1554 struct hda_codec
*codec
,
1555 struct snd_pcm_substream
*substream
)
1560 static int hda_pcm_default_prepare(struct hda_pcm_stream
*hinfo
,
1561 struct hda_codec
*codec
,
1562 unsigned int stream_tag
,
1563 unsigned int format
,
1564 struct snd_pcm_substream
*substream
)
1566 snd_hda_codec_setup_stream(codec
, hinfo
->nid
, stream_tag
, 0, format
);
1570 static int hda_pcm_default_cleanup(struct hda_pcm_stream
*hinfo
,
1571 struct hda_codec
*codec
,
1572 struct snd_pcm_substream
*substream
)
1574 snd_hda_codec_setup_stream(codec
, hinfo
->nid
, 0, 0, 0);
1578 static int set_pcm_default_values(struct hda_codec
*codec
, struct hda_pcm_stream
*info
)
1581 /* query support PCM information from the given NID */
1582 if (! info
->rates
|| ! info
->formats
)
1583 snd_hda_query_supported_pcm(codec
, info
->nid
,
1584 info
->rates
? NULL
: &info
->rates
,
1585 info
->formats
? NULL
: &info
->formats
,
1586 info
->maxbps
? NULL
: &info
->maxbps
);
1588 if (info
->ops
.open
== NULL
)
1589 info
->ops
.open
= hda_pcm_default_open_close
;
1590 if (info
->ops
.close
== NULL
)
1591 info
->ops
.close
= hda_pcm_default_open_close
;
1592 if (info
->ops
.prepare
== NULL
) {
1593 snd_assert(info
->nid
, return -EINVAL
);
1594 info
->ops
.prepare
= hda_pcm_default_prepare
;
1596 if (info
->ops
.cleanup
== NULL
) {
1597 snd_assert(info
->nid
, return -EINVAL
);
1598 info
->ops
.cleanup
= hda_pcm_default_cleanup
;
1604 * snd_hda_build_pcms - build PCM information
1607 * Create PCM information for each codec included in the bus.
1609 * The build_pcms codec patch is requested to set up codec->num_pcms and
1610 * codec->pcm_info properly. The array is referred by the top-level driver
1611 * to create its PCM instances.
1612 * The allocated codec->pcm_info should be released in codec->patch_ops.free
1615 * At least, substreams, channels_min and channels_max must be filled for
1616 * each stream. substreams = 0 indicates that the stream doesn't exist.
1617 * When rates and/or formats are zero, the supported values are queried
1618 * from the given nid. The nid is used also by the default ops.prepare
1619 * and ops.cleanup callbacks.
1621 * The driver needs to call ops.open in its open callback. Similarly,
1622 * ops.close is supposed to be called in the close callback.
1623 * ops.prepare should be called in the prepare or hw_params callback
1624 * with the proper parameters for set up.
1625 * ops.cleanup should be called in hw_free for clean up of streams.
1627 * This function returns 0 if successfull, or a negative error code.
1629 int snd_hda_build_pcms(struct hda_bus
*bus
)
1631 struct list_head
*p
;
1633 list_for_each(p
, &bus
->codec_list
) {
1634 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
1635 unsigned int pcm
, s
;
1637 if (! codec
->patch_ops
.build_pcms
)
1639 err
= codec
->patch_ops
.build_pcms(codec
);
1642 for (pcm
= 0; pcm
< codec
->num_pcms
; pcm
++) {
1643 for (s
= 0; s
< 2; s
++) {
1644 struct hda_pcm_stream
*info
;
1645 info
= &codec
->pcm_info
[pcm
].stream
[s
];
1646 if (! info
->substreams
)
1648 err
= set_pcm_default_values(codec
, info
);
1659 * snd_hda_check_board_config - compare the current codec with the config table
1660 * @codec: the HDA codec
1661 * @tbl: configuration table, terminated by null entries
1663 * Compares the modelname or PCI subsystem id of the current codec with the
1664 * given configuration table. If a matching entry is found, returns its
1665 * config value (supposed to be 0 or positive).
1667 * If no entries are matching, the function returns a negative value.
1669 int snd_hda_check_board_config(struct hda_codec
*codec
, const struct hda_board_config
*tbl
)
1671 const struct hda_board_config
*c
;
1673 if (codec
->bus
->modelname
) {
1674 for (c
= tbl
; c
->modelname
|| c
->pci_subvendor
; c
++) {
1676 ! strcmp(codec
->bus
->modelname
, c
->modelname
)) {
1677 snd_printd(KERN_INFO
"hda_codec: model '%s' is selected\n", c
->modelname
);
1683 if (codec
->bus
->pci
) {
1684 u16 subsystem_vendor
, subsystem_device
;
1685 pci_read_config_word(codec
->bus
->pci
, PCI_SUBSYSTEM_VENDOR_ID
, &subsystem_vendor
);
1686 pci_read_config_word(codec
->bus
->pci
, PCI_SUBSYSTEM_ID
, &subsystem_device
);
1687 for (c
= tbl
; c
->modelname
|| c
->pci_subvendor
; c
++) {
1688 if (c
->pci_subvendor
== subsystem_vendor
&&
1689 (! c
->pci_subdevice
/* all match */||
1690 (c
->pci_subdevice
== subsystem_device
))) {
1691 snd_printdd(KERN_INFO
"hda_codec: PCI %x:%x, codec config %d is selected\n",
1692 subsystem_vendor
, subsystem_device
, c
->config
);
1701 * snd_hda_add_new_ctls - create controls from the array
1702 * @codec: the HDA codec
1703 * @knew: the array of struct snd_kcontrol_new
1705 * This helper function creates and add new controls in the given array.
1706 * The array must be terminated with an empty entry as terminator.
1708 * Returns 0 if successful, or a negative error code.
1710 int snd_hda_add_new_ctls(struct hda_codec
*codec
, struct snd_kcontrol_new
*knew
)
1714 for (; knew
->name
; knew
++) {
1715 struct snd_kcontrol
*kctl
;
1716 kctl
= snd_ctl_new1(knew
, codec
);
1719 err
= snd_ctl_add(codec
->bus
->card
, kctl
);
1723 kctl
= snd_ctl_new1(knew
, codec
);
1726 kctl
->id
.device
= codec
->addr
;
1727 if ((err
= snd_ctl_add(codec
->bus
->card
, kctl
)) < 0)
1736 * Channel mode helper
1738 int snd_hda_ch_mode_info(struct hda_codec
*codec
, struct snd_ctl_elem_info
*uinfo
,
1739 const struct hda_channel_mode
*chmode
, int num_chmodes
)
1741 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_ENUMERATED
;
1743 uinfo
->value
.enumerated
.items
= num_chmodes
;
1744 if (uinfo
->value
.enumerated
.item
>= num_chmodes
)
1745 uinfo
->value
.enumerated
.item
= num_chmodes
- 1;
1746 sprintf(uinfo
->value
.enumerated
.name
, "%dch",
1747 chmode
[uinfo
->value
.enumerated
.item
].channels
);
1751 int snd_hda_ch_mode_get(struct hda_codec
*codec
, struct snd_ctl_elem_value
*ucontrol
,
1752 const struct hda_channel_mode
*chmode
, int num_chmodes
,
1757 for (i
= 0; i
< num_chmodes
; i
++) {
1758 if (max_channels
== chmode
[i
].channels
) {
1759 ucontrol
->value
.enumerated
.item
[0] = i
;
1766 int snd_hda_ch_mode_put(struct hda_codec
*codec
, struct snd_ctl_elem_value
*ucontrol
,
1767 const struct hda_channel_mode
*chmode
, int num_chmodes
,
1772 mode
= ucontrol
->value
.enumerated
.item
[0];
1773 snd_assert(mode
< num_chmodes
, return -EINVAL
);
1774 if (*max_channelsp
== chmode
[mode
].channels
&& ! codec
->in_resume
)
1776 /* change the current channel setting */
1777 *max_channelsp
= chmode
[mode
].channels
;
1778 if (chmode
[mode
].sequence
)
1779 snd_hda_sequence_write(codec
, chmode
[mode
].sequence
);
1786 int snd_hda_input_mux_info(const struct hda_input_mux
*imux
, struct snd_ctl_elem_info
*uinfo
)
1790 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_ENUMERATED
;
1792 uinfo
->value
.enumerated
.items
= imux
->num_items
;
1793 index
= uinfo
->value
.enumerated
.item
;
1794 if (index
>= imux
->num_items
)
1795 index
= imux
->num_items
- 1;
1796 strcpy(uinfo
->value
.enumerated
.name
, imux
->items
[index
].label
);
1800 int snd_hda_input_mux_put(struct hda_codec
*codec
, const struct hda_input_mux
*imux
,
1801 struct snd_ctl_elem_value
*ucontrol
, hda_nid_t nid
,
1802 unsigned int *cur_val
)
1806 idx
= ucontrol
->value
.enumerated
.item
[0];
1807 if (idx
>= imux
->num_items
)
1808 idx
= imux
->num_items
- 1;
1809 if (*cur_val
== idx
&& ! codec
->in_resume
)
1811 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_CONNECT_SEL
,
1812 imux
->items
[idx
].index
);
1819 * Multi-channel / digital-out PCM helper functions
1823 * open the digital out in the exclusive mode
1825 int snd_hda_multi_out_dig_open(struct hda_codec
*codec
, struct hda_multi_out
*mout
)
1827 down(&codec
->spdif_mutex
);
1828 if (mout
->dig_out_used
) {
1829 up(&codec
->spdif_mutex
);
1830 return -EBUSY
; /* already being used */
1832 mout
->dig_out_used
= HDA_DIG_EXCLUSIVE
;
1833 up(&codec
->spdif_mutex
);
1838 * release the digital out
1840 int snd_hda_multi_out_dig_close(struct hda_codec
*codec
, struct hda_multi_out
*mout
)
1842 down(&codec
->spdif_mutex
);
1843 mout
->dig_out_used
= 0;
1844 up(&codec
->spdif_mutex
);
1849 * set up more restrictions for analog out
1851 int snd_hda_multi_out_analog_open(struct hda_codec
*codec
, struct hda_multi_out
*mout
,
1852 struct snd_pcm_substream
*substream
)
1854 substream
->runtime
->hw
.channels_max
= mout
->max_channels
;
1855 return snd_pcm_hw_constraint_step(substream
->runtime
, 0,
1856 SNDRV_PCM_HW_PARAM_CHANNELS
, 2);
1860 * set up the i/o for analog out
1861 * when the digital out is available, copy the front out to digital out, too.
1863 int snd_hda_multi_out_analog_prepare(struct hda_codec
*codec
, struct hda_multi_out
*mout
,
1864 unsigned int stream_tag
,
1865 unsigned int format
,
1866 struct snd_pcm_substream
*substream
)
1868 hda_nid_t
*nids
= mout
->dac_nids
;
1869 int chs
= substream
->runtime
->channels
;
1872 down(&codec
->spdif_mutex
);
1873 if (mout
->dig_out_nid
&& mout
->dig_out_used
!= HDA_DIG_EXCLUSIVE
) {
1875 snd_hda_is_supported_format(codec
, mout
->dig_out_nid
, format
) &&
1876 ! (codec
->spdif_status
& IEC958_AES0_NONAUDIO
)) {
1877 mout
->dig_out_used
= HDA_DIG_ANALOG_DUP
;
1878 /* setup digital receiver */
1879 snd_hda_codec_setup_stream(codec
, mout
->dig_out_nid
,
1880 stream_tag
, 0, format
);
1882 mout
->dig_out_used
= 0;
1883 snd_hda_codec_setup_stream(codec
, mout
->dig_out_nid
, 0, 0, 0);
1886 up(&codec
->spdif_mutex
);
1889 snd_hda_codec_setup_stream(codec
, nids
[HDA_FRONT
], stream_tag
, 0, format
);
1891 /* headphone out will just decode front left/right (stereo) */
1892 snd_hda_codec_setup_stream(codec
, mout
->hp_nid
, stream_tag
, 0, format
);
1894 for (i
= 1; i
< mout
->num_dacs
; i
++) {
1895 if (chs
>= (i
+ 1) * 2) /* independent out */
1896 snd_hda_codec_setup_stream(codec
, nids
[i
], stream_tag
, i
* 2,
1898 else /* copy front */
1899 snd_hda_codec_setup_stream(codec
, nids
[i
], stream_tag
, 0,
1906 * clean up the setting for analog out
1908 int snd_hda_multi_out_analog_cleanup(struct hda_codec
*codec
, struct hda_multi_out
*mout
)
1910 hda_nid_t
*nids
= mout
->dac_nids
;
1913 for (i
= 0; i
< mout
->num_dacs
; i
++)
1914 snd_hda_codec_setup_stream(codec
, nids
[i
], 0, 0, 0);
1916 snd_hda_codec_setup_stream(codec
, mout
->hp_nid
, 0, 0, 0);
1917 down(&codec
->spdif_mutex
);
1918 if (mout
->dig_out_nid
&& mout
->dig_out_used
== HDA_DIG_ANALOG_DUP
) {
1919 snd_hda_codec_setup_stream(codec
, mout
->dig_out_nid
, 0, 0, 0);
1920 mout
->dig_out_used
= 0;
1922 up(&codec
->spdif_mutex
);
1927 * Helper for automatic ping configuration
1930 static int is_in_nid_list(hda_nid_t nid
, hda_nid_t
*list
)
1932 for (; *list
; list
++)
1938 /* parse all pin widgets and store the useful pin nids to cfg */
1939 int snd_hda_parse_pin_def_config(struct hda_codec
*codec
, struct auto_pin_cfg
*cfg
,
1940 hda_nid_t
*ignore_nids
)
1942 hda_nid_t nid
, nid_start
;
1944 short seq
, sequences
[4], assoc_line_out
;
1946 memset(cfg
, 0, sizeof(*cfg
));
1948 memset(sequences
, 0, sizeof(sequences
));
1951 nodes
= snd_hda_get_sub_nodes(codec
, codec
->afg
, &nid_start
);
1952 for (nid
= nid_start
; nid
< nodes
+ nid_start
; nid
++) {
1953 unsigned int wid_caps
= get_wcaps(codec
, nid
);
1954 unsigned int wid_type
= (wid_caps
& AC_WCAP_TYPE
) >> AC_WCAP_TYPE_SHIFT
;
1955 unsigned int def_conf
;
1958 /* read all default configuration for pin complex */
1959 if (wid_type
!= AC_WID_PIN
)
1961 /* ignore the given nids (e.g. pc-beep returns error) */
1962 if (ignore_nids
&& is_in_nid_list(nid
, ignore_nids
))
1965 def_conf
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_CONFIG_DEFAULT
, 0);
1966 if (get_defcfg_connect(def_conf
) == AC_JACK_PORT_NONE
)
1968 loc
= get_defcfg_location(def_conf
);
1969 switch (get_defcfg_device(def_conf
)) {
1970 case AC_JACK_LINE_OUT
:
1971 seq
= get_defcfg_sequence(def_conf
);
1972 assoc
= get_defcfg_association(def_conf
);
1975 if (! assoc_line_out
)
1976 assoc_line_out
= assoc
;
1977 else if (assoc_line_out
!= assoc
)
1979 if (cfg
->line_outs
>= ARRAY_SIZE(cfg
->line_out_pins
))
1981 cfg
->line_out_pins
[cfg
->line_outs
] = nid
;
1982 sequences
[cfg
->line_outs
] = seq
;
1985 case AC_JACK_SPEAKER
:
1986 cfg
->speaker_pin
= nid
;
1988 case AC_JACK_HP_OUT
:
1991 case AC_JACK_MIC_IN
:
1992 if (loc
== AC_JACK_LOC_FRONT
)
1993 cfg
->input_pins
[AUTO_PIN_FRONT_MIC
] = nid
;
1995 cfg
->input_pins
[AUTO_PIN_MIC
] = nid
;
1997 case AC_JACK_LINE_IN
:
1998 if (loc
== AC_JACK_LOC_FRONT
)
1999 cfg
->input_pins
[AUTO_PIN_FRONT_LINE
] = nid
;
2001 cfg
->input_pins
[AUTO_PIN_LINE
] = nid
;
2004 cfg
->input_pins
[AUTO_PIN_CD
] = nid
;
2007 cfg
->input_pins
[AUTO_PIN_AUX
] = nid
;
2009 case AC_JACK_SPDIF_OUT
:
2010 cfg
->dig_out_pin
= nid
;
2012 case AC_JACK_SPDIF_IN
:
2013 cfg
->dig_in_pin
= nid
;
2018 /* sort by sequence */
2019 for (i
= 0; i
< cfg
->line_outs
; i
++)
2020 for (j
= i
+ 1; j
< cfg
->line_outs
; j
++)
2021 if (sequences
[i
] > sequences
[j
]) {
2023 sequences
[i
] = sequences
[j
];
2025 nid
= cfg
->line_out_pins
[i
];
2026 cfg
->line_out_pins
[i
] = cfg
->line_out_pins
[j
];
2027 cfg
->line_out_pins
[j
] = nid
;
2030 /* Reorder the surround channels
2031 * ALSA sequence is front/surr/clfe/side
2033 * 4-ch: front/surr => OK as it is
2034 * 6-ch: front/clfe/surr
2035 * 8-ch: front/clfe/side/surr
2037 switch (cfg
->line_outs
) {
2039 nid
= cfg
->line_out_pins
[1];
2040 cfg
->line_out_pins
[1] = cfg
->line_out_pins
[2];
2041 cfg
->line_out_pins
[2] = nid
;
2044 nid
= cfg
->line_out_pins
[1];
2045 cfg
->line_out_pins
[1] = cfg
->line_out_pins
[3];
2046 cfg
->line_out_pins
[3] = cfg
->line_out_pins
[2];
2047 cfg
->line_out_pins
[2] = nid
;
2054 /* labels for input pins */
2055 const char *auto_pin_cfg_labels
[AUTO_PIN_LAST
] = {
2056 "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
2066 * snd_hda_suspend - suspend the codecs
2068 * @state: suspsend state
2070 * Returns 0 if successful.
2072 int snd_hda_suspend(struct hda_bus
*bus
, pm_message_t state
)
2074 struct list_head
*p
;
2076 /* FIXME: should handle power widget capabilities */
2077 list_for_each(p
, &bus
->codec_list
) {
2078 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
2079 if (codec
->patch_ops
.suspend
)
2080 codec
->patch_ops
.suspend(codec
, state
);
2081 hda_set_power_state(codec
,
2082 codec
->afg
? codec
->afg
: codec
->mfg
,
2089 * snd_hda_resume - resume the codecs
2091 * @state: resume state
2093 * Returns 0 if successful.
2095 int snd_hda_resume(struct hda_bus
*bus
)
2097 struct list_head
*p
;
2099 list_for_each(p
, &bus
->codec_list
) {
2100 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
2101 hda_set_power_state(codec
,
2102 codec
->afg
? codec
->afg
: codec
->mfg
,
2104 if (codec
->patch_ops
.resume
)
2105 codec
->patch_ops
.resume(codec
);
2111 * snd_hda_resume_ctls - resume controls in the new control list
2112 * @codec: the HDA codec
2113 * @knew: the array of struct snd_kcontrol_new
2115 * This function resumes the mixer controls in the struct snd_kcontrol_new array,
2116 * originally for snd_hda_add_new_ctls().
2117 * The array must be terminated with an empty entry as terminator.
2119 int snd_hda_resume_ctls(struct hda_codec
*codec
, struct snd_kcontrol_new
*knew
)
2121 struct snd_ctl_elem_value
*val
;
2123 val
= kmalloc(sizeof(*val
), GFP_KERNEL
);
2126 codec
->in_resume
= 1;
2127 for (; knew
->name
; knew
++) {
2129 count
= knew
->count
? knew
->count
: 1;
2130 for (i
= 0; i
< count
; i
++) {
2131 memset(val
, 0, sizeof(*val
));
2132 val
->id
.iface
= knew
->iface
;
2133 val
->id
.device
= knew
->device
;
2134 val
->id
.subdevice
= knew
->subdevice
;
2135 strcpy(val
->id
.name
, knew
->name
);
2136 val
->id
.index
= knew
->index
? knew
->index
: i
;
2137 /* Assume that get callback reads only from cache,
2138 * not accessing to the real hardware
2140 if (snd_ctl_elem_read(codec
->bus
->card
, val
) < 0)
2142 snd_ctl_elem_write(codec
->bus
->card
, NULL
, val
);
2145 codec
->in_resume
= 0;
2151 * snd_hda_resume_spdif_out - resume the digital out
2152 * @codec: the HDA codec
2154 int snd_hda_resume_spdif_out(struct hda_codec
*codec
)
2156 return snd_hda_resume_ctls(codec
, dig_mixes
);
2160 * snd_hda_resume_spdif_in - resume the digital in
2161 * @codec: the HDA codec
2163 int snd_hda_resume_spdif_in(struct hda_codec
*codec
)
2165 return snd_hda_resume_ctls(codec
, dig_in_ctls
);
2170 * symbols exported for controller modules
2172 EXPORT_SYMBOL(snd_hda_codec_read
);
2173 EXPORT_SYMBOL(snd_hda_codec_write
);
2174 EXPORT_SYMBOL(snd_hda_sequence_write
);
2175 EXPORT_SYMBOL(snd_hda_get_sub_nodes
);
2176 EXPORT_SYMBOL(snd_hda_queue_unsol_event
);
2177 EXPORT_SYMBOL(snd_hda_bus_new
);
2178 EXPORT_SYMBOL(snd_hda_codec_new
);
2179 EXPORT_SYMBOL(snd_hda_codec_setup_stream
);
2180 EXPORT_SYMBOL(snd_hda_calc_stream_format
);
2181 EXPORT_SYMBOL(snd_hda_build_pcms
);
2182 EXPORT_SYMBOL(snd_hda_build_controls
);
2184 EXPORT_SYMBOL(snd_hda_suspend
);
2185 EXPORT_SYMBOL(snd_hda_resume
);
2192 static int __init
alsa_hda_init(void)
2197 static void __exit
alsa_hda_exit(void)
2201 module_init(alsa_hda_init
)
2202 module_exit(alsa_hda_exit
)