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/tlv.h>
33 #include <sound/initval.h>
34 #include "hda_local.h"
37 MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
38 MODULE_DESCRIPTION("Universal interface for High Definition Audio Codec");
39 MODULE_LICENSE("GPL");
43 * vendor / preset table
46 struct hda_vendor_id
{
51 /* codec vendor labels */
52 static struct hda_vendor_id hda_vendor_ids
[] = {
53 { 0x10ec, "Realtek" },
54 { 0x11d4, "Analog Devices" },
55 { 0x13f6, "C-Media" },
56 { 0x434d, "C-Media" },
57 { 0x8384, "SigmaTel" },
62 #include "hda_patch.h"
66 * snd_hda_codec_read - send a command and get the response
67 * @codec: the HDA codec
68 * @nid: NID to send the command
69 * @direct: direct flag
70 * @verb: the verb to send
71 * @parm: the parameter for the verb
73 * Send a single command and read the corresponding response.
75 * Returns the obtained response value, or -1 for an error.
77 unsigned int snd_hda_codec_read(struct hda_codec
*codec
, hda_nid_t nid
, int direct
,
78 unsigned int verb
, unsigned int parm
)
81 mutex_lock(&codec
->bus
->cmd_mutex
);
82 if (! codec
->bus
->ops
.command(codec
, nid
, direct
, verb
, parm
))
83 res
= codec
->bus
->ops
.get_response(codec
);
85 res
= (unsigned int)-1;
86 mutex_unlock(&codec
->bus
->cmd_mutex
);
90 EXPORT_SYMBOL(snd_hda_codec_read
);
93 * snd_hda_codec_write - send a single command without waiting for response
94 * @codec: the HDA codec
95 * @nid: NID to send the command
96 * @direct: direct flag
97 * @verb: the verb to send
98 * @parm: the parameter for the verb
100 * Send a single command without waiting for response.
102 * Returns 0 if successful, or a negative error code.
104 int snd_hda_codec_write(struct hda_codec
*codec
, hda_nid_t nid
, int direct
,
105 unsigned int verb
, unsigned int parm
)
108 mutex_lock(&codec
->bus
->cmd_mutex
);
109 err
= codec
->bus
->ops
.command(codec
, nid
, direct
, verb
, parm
);
110 mutex_unlock(&codec
->bus
->cmd_mutex
);
114 EXPORT_SYMBOL(snd_hda_codec_write
);
117 * snd_hda_sequence_write - sequence writes
118 * @codec: the HDA codec
119 * @seq: VERB array to send
121 * Send the commands sequentially from the given array.
122 * The array must be terminated with NID=0.
124 void snd_hda_sequence_write(struct hda_codec
*codec
, const struct hda_verb
*seq
)
126 for (; seq
->nid
; seq
++)
127 snd_hda_codec_write(codec
, seq
->nid
, 0, seq
->verb
, seq
->param
);
130 EXPORT_SYMBOL(snd_hda_sequence_write
);
133 * snd_hda_get_sub_nodes - get the range of sub nodes
134 * @codec: the HDA codec
136 * @start_id: the pointer to store the start NID
138 * Parse the NID and store the start NID of its sub-nodes.
139 * Returns the number of sub-nodes.
141 int snd_hda_get_sub_nodes(struct hda_codec
*codec
, hda_nid_t nid
, hda_nid_t
*start_id
)
145 parm
= snd_hda_param_read(codec
, nid
, AC_PAR_NODE_COUNT
);
146 *start_id
= (parm
>> 16) & 0x7fff;
147 return (int)(parm
& 0x7fff);
150 EXPORT_SYMBOL(snd_hda_get_sub_nodes
);
153 * snd_hda_get_connections - get connection list
154 * @codec: the HDA codec
156 * @conn_list: connection list array
157 * @max_conns: max. number of connections to store
159 * Parses the connection list of the given widget and stores the list
162 * Returns the number of connections, or a negative error code.
164 int snd_hda_get_connections(struct hda_codec
*codec
, hda_nid_t nid
,
165 hda_nid_t
*conn_list
, int max_conns
)
168 int i
, conn_len
, conns
;
169 unsigned int shift
, num_elems
, mask
;
172 snd_assert(conn_list
&& max_conns
> 0, return -EINVAL
);
174 parm
= snd_hda_param_read(codec
, nid
, AC_PAR_CONNLIST_LEN
);
175 if (parm
& AC_CLIST_LONG
) {
184 conn_len
= parm
& AC_CLIST_LENGTH
;
185 mask
= (1 << (shift
-1)) - 1;
188 return 0; /* no connection */
191 /* single connection */
192 parm
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_CONNECT_LIST
, 0);
193 conn_list
[0] = parm
& mask
;
197 /* multi connection */
200 for (i
= 0; i
< conn_len
; i
++) {
204 if (i
% num_elems
== 0)
205 parm
= snd_hda_codec_read(codec
, nid
, 0,
206 AC_VERB_GET_CONNECT_LIST
, i
);
207 range_val
= !! (parm
& (1 << (shift
-1))); /* ranges */
211 /* ranges between the previous and this one */
212 if (! prev_nid
|| prev_nid
>= val
) {
213 snd_printk(KERN_WARNING
"hda_codec: invalid dep_range_val %x:%x\n", prev_nid
, val
);
216 for (n
= prev_nid
+ 1; n
<= val
; n
++) {
217 if (conns
>= max_conns
) {
218 snd_printk(KERN_ERR
"Too many connections\n");
221 conn_list
[conns
++] = n
;
224 if (conns
>= max_conns
) {
225 snd_printk(KERN_ERR
"Too many connections\n");
228 conn_list
[conns
++] = val
;
237 * snd_hda_queue_unsol_event - add an unsolicited event to queue
239 * @res: unsolicited event (lower 32bit of RIRB entry)
240 * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
242 * Adds the given event to the queue. The events are processed in
243 * the workqueue asynchronously. Call this function in the interrupt
244 * hanlder when RIRB receives an unsolicited event.
246 * Returns 0 if successful, or a negative error code.
248 int snd_hda_queue_unsol_event(struct hda_bus
*bus
, u32 res
, u32 res_ex
)
250 struct hda_bus_unsolicited
*unsol
;
253 if ((unsol
= bus
->unsol
) == NULL
)
256 wp
= (unsol
->wp
+ 1) % HDA_UNSOL_QUEUE_SIZE
;
260 unsol
->queue
[wp
] = res
;
261 unsol
->queue
[wp
+ 1] = res_ex
;
263 queue_work(unsol
->workq
, &unsol
->work
);
268 EXPORT_SYMBOL(snd_hda_queue_unsol_event
);
271 * process queueud unsolicited events
273 static void process_unsol_events(void *data
)
275 struct hda_bus
*bus
= data
;
276 struct hda_bus_unsolicited
*unsol
= bus
->unsol
;
277 struct hda_codec
*codec
;
278 unsigned int rp
, caddr
, res
;
280 while (unsol
->rp
!= unsol
->wp
) {
281 rp
= (unsol
->rp
+ 1) % HDA_UNSOL_QUEUE_SIZE
;
284 res
= unsol
->queue
[rp
];
285 caddr
= unsol
->queue
[rp
+ 1];
286 if (! (caddr
& (1 << 4))) /* no unsolicited event? */
288 codec
= bus
->caddr_tbl
[caddr
& 0x0f];
289 if (codec
&& codec
->patch_ops
.unsol_event
)
290 codec
->patch_ops
.unsol_event(codec
, res
);
295 * initialize unsolicited queue
297 static int init_unsol_queue(struct hda_bus
*bus
)
299 struct hda_bus_unsolicited
*unsol
;
301 if (bus
->unsol
) /* already initialized */
304 unsol
= kzalloc(sizeof(*unsol
), GFP_KERNEL
);
306 snd_printk(KERN_ERR
"hda_codec: can't allocate unsolicited queue\n");
309 unsol
->workq
= create_singlethread_workqueue("hda_codec");
310 if (! unsol
->workq
) {
311 snd_printk(KERN_ERR
"hda_codec: can't create workqueue\n");
315 INIT_WORK(&unsol
->work
, process_unsol_events
, bus
);
323 static void snd_hda_codec_free(struct hda_codec
*codec
);
325 static int snd_hda_bus_free(struct hda_bus
*bus
)
327 struct list_head
*p
, *n
;
332 destroy_workqueue(bus
->unsol
->workq
);
335 list_for_each_safe(p
, n
, &bus
->codec_list
) {
336 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
337 snd_hda_codec_free(codec
);
339 if (bus
->ops
.private_free
)
340 bus
->ops
.private_free(bus
);
345 static int snd_hda_bus_dev_free(struct snd_device
*device
)
347 struct hda_bus
*bus
= device
->device_data
;
348 return snd_hda_bus_free(bus
);
352 * snd_hda_bus_new - create a HDA bus
353 * @card: the card entry
354 * @temp: the template for hda_bus information
355 * @busp: the pointer to store the created bus instance
357 * Returns 0 if successful, or a negative error code.
359 int snd_hda_bus_new(struct snd_card
*card
, const struct hda_bus_template
*temp
,
360 struct hda_bus
**busp
)
364 static struct snd_device_ops dev_ops
= {
365 .dev_free
= snd_hda_bus_dev_free
,
368 snd_assert(temp
, return -EINVAL
);
369 snd_assert(temp
->ops
.command
&& temp
->ops
.get_response
, return -EINVAL
);
374 bus
= kzalloc(sizeof(*bus
), GFP_KERNEL
);
376 snd_printk(KERN_ERR
"can't allocate struct hda_bus\n");
381 bus
->private_data
= temp
->private_data
;
382 bus
->pci
= temp
->pci
;
383 bus
->modelname
= temp
->modelname
;
384 bus
->ops
= temp
->ops
;
386 mutex_init(&bus
->cmd_mutex
);
387 INIT_LIST_HEAD(&bus
->codec_list
);
389 if ((err
= snd_device_new(card
, SNDRV_DEV_BUS
, bus
, &dev_ops
)) < 0) {
390 snd_hda_bus_free(bus
);
398 EXPORT_SYMBOL(snd_hda_bus_new
);
401 * find a matching codec preset
403 static const struct hda_codec_preset
*find_codec_preset(struct hda_codec
*codec
)
405 const struct hda_codec_preset
**tbl
, *preset
;
407 for (tbl
= hda_preset_tables
; *tbl
; tbl
++) {
408 for (preset
= *tbl
; preset
->id
; preset
++) {
409 u32 mask
= preset
->mask
;
412 if (preset
->id
== (codec
->vendor_id
& mask
) &&
414 preset
->rev
== codec
->revision_id
))
422 * snd_hda_get_codec_name - store the codec name
424 void snd_hda_get_codec_name(struct hda_codec
*codec
,
425 char *name
, int namelen
)
427 const struct hda_vendor_id
*c
;
428 const char *vendor
= NULL
;
429 u16 vendor_id
= codec
->vendor_id
>> 16;
432 for (c
= hda_vendor_ids
; c
->id
; c
++) {
433 if (c
->id
== vendor_id
) {
439 sprintf(tmp
, "Generic %04x", vendor_id
);
442 if (codec
->preset
&& codec
->preset
->name
)
443 snprintf(name
, namelen
, "%s %s", vendor
, codec
->preset
->name
);
445 snprintf(name
, namelen
, "%s ID %x", vendor
, codec
->vendor_id
& 0xffff);
449 * look for an AFG and MFG nodes
451 static void setup_fg_nodes(struct hda_codec
*codec
)
456 total_nodes
= snd_hda_get_sub_nodes(codec
, AC_NODE_ROOT
, &nid
);
457 for (i
= 0; i
< total_nodes
; i
++, nid
++) {
458 switch((snd_hda_param_read(codec
, nid
, AC_PAR_FUNCTION_TYPE
) & 0xff)) {
459 case AC_GRP_AUDIO_FUNCTION
:
462 case AC_GRP_MODEM_FUNCTION
:
472 * read widget caps for each widget and store in cache
474 static int read_widget_caps(struct hda_codec
*codec
, hda_nid_t fg_node
)
479 codec
->num_nodes
= snd_hda_get_sub_nodes(codec
, fg_node
,
481 codec
->wcaps
= kmalloc(codec
->num_nodes
* 4, GFP_KERNEL
);
484 nid
= codec
->start_nid
;
485 for (i
= 0; i
< codec
->num_nodes
; i
++, nid
++)
486 codec
->wcaps
[i
] = snd_hda_param_read(codec
, nid
,
487 AC_PAR_AUDIO_WIDGET_CAP
);
495 static void snd_hda_codec_free(struct hda_codec
*codec
)
499 list_del(&codec
->list
);
500 codec
->bus
->caddr_tbl
[codec
->addr
] = NULL
;
501 if (codec
->patch_ops
.free
)
502 codec
->patch_ops
.free(codec
);
503 kfree(codec
->amp_info
);
508 static void init_amp_hash(struct hda_codec
*codec
);
511 * snd_hda_codec_new - create a HDA codec
512 * @bus: the bus to assign
513 * @codec_addr: the codec address
514 * @codecp: the pointer to store the generated codec
516 * Returns 0 if successful, or a negative error code.
518 int snd_hda_codec_new(struct hda_bus
*bus
, unsigned int codec_addr
,
519 struct hda_codec
**codecp
)
521 struct hda_codec
*codec
;
525 snd_assert(bus
, return -EINVAL
);
526 snd_assert(codec_addr
<= HDA_MAX_CODEC_ADDRESS
, return -EINVAL
);
528 if (bus
->caddr_tbl
[codec_addr
]) {
529 snd_printk(KERN_ERR
"hda_codec: address 0x%x is already occupied\n", codec_addr
);
533 codec
= kzalloc(sizeof(*codec
), GFP_KERNEL
);
535 snd_printk(KERN_ERR
"can't allocate struct hda_codec\n");
540 codec
->addr
= codec_addr
;
541 mutex_init(&codec
->spdif_mutex
);
542 init_amp_hash(codec
);
544 list_add_tail(&codec
->list
, &bus
->codec_list
);
545 bus
->caddr_tbl
[codec_addr
] = codec
;
547 codec
->vendor_id
= snd_hda_param_read(codec
, AC_NODE_ROOT
, AC_PAR_VENDOR_ID
);
548 if (codec
->vendor_id
== -1)
549 /* read again, hopefully the access method was corrected
550 * in the last read...
552 codec
->vendor_id
= snd_hda_param_read(codec
, AC_NODE_ROOT
,
554 codec
->subsystem_id
= snd_hda_param_read(codec
, AC_NODE_ROOT
, AC_PAR_SUBSYSTEM_ID
);
555 codec
->revision_id
= snd_hda_param_read(codec
, AC_NODE_ROOT
, AC_PAR_REV_ID
);
557 setup_fg_nodes(codec
);
558 if (! codec
->afg
&& ! codec
->mfg
) {
559 snd_printdd("hda_codec: no AFG or MFG node found\n");
560 snd_hda_codec_free(codec
);
564 if (read_widget_caps(codec
, codec
->afg
? codec
->afg
: codec
->mfg
) < 0) {
565 snd_printk(KERN_ERR
"hda_codec: cannot malloc\n");
566 snd_hda_codec_free(codec
);
570 if (! codec
->subsystem_id
) {
571 hda_nid_t nid
= codec
->afg
? codec
->afg
: codec
->mfg
;
572 codec
->subsystem_id
= snd_hda_codec_read(codec
, nid
, 0,
573 AC_VERB_GET_SUBSYSTEM_ID
,
577 codec
->preset
= find_codec_preset(codec
);
578 if (! *bus
->card
->mixername
)
579 snd_hda_get_codec_name(codec
, bus
->card
->mixername
,
580 sizeof(bus
->card
->mixername
));
582 if (codec
->preset
&& codec
->preset
->patch
)
583 err
= codec
->preset
->patch(codec
);
585 err
= snd_hda_parse_generic_codec(codec
);
587 snd_hda_codec_free(codec
);
591 if (codec
->patch_ops
.unsol_event
)
592 init_unsol_queue(bus
);
594 snd_hda_codec_proc_new(codec
);
596 sprintf(component
, "HDA:%08x", codec
->vendor_id
);
597 snd_component_add(codec
->bus
->card
, component
);
604 EXPORT_SYMBOL(snd_hda_codec_new
);
607 * snd_hda_codec_setup_stream - set up the codec for streaming
608 * @codec: the CODEC to set up
609 * @nid: the NID to set up
610 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
611 * @channel_id: channel id to pass, zero based.
612 * @format: stream format.
614 void snd_hda_codec_setup_stream(struct hda_codec
*codec
, hda_nid_t nid
, u32 stream_tag
,
615 int channel_id
, int format
)
620 snd_printdd("hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
621 nid
, stream_tag
, channel_id
, format
);
622 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_CHANNEL_STREAMID
,
623 (stream_tag
<< 4) | channel_id
);
625 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_STREAM_FORMAT
, format
);
628 EXPORT_SYMBOL(snd_hda_codec_setup_stream
);
631 * amp access functions
634 /* FIXME: more better hash key? */
635 #define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
636 #define INFO_AMP_CAPS (1<<0)
637 #define INFO_AMP_VOL(ch) (1 << (1 + (ch)))
639 /* initialize the hash table */
640 static void init_amp_hash(struct hda_codec
*codec
)
642 memset(codec
->amp_hash
, 0xff, sizeof(codec
->amp_hash
));
643 codec
->num_amp_entries
= 0;
644 codec
->amp_info_size
= 0;
645 codec
->amp_info
= NULL
;
648 /* query the hash. allocate an entry if not found. */
649 static struct hda_amp_info
*get_alloc_amp_hash(struct hda_codec
*codec
, u32 key
)
651 u16 idx
= key
% (u16
)ARRAY_SIZE(codec
->amp_hash
);
652 u16 cur
= codec
->amp_hash
[idx
];
653 struct hda_amp_info
*info
;
655 while (cur
!= 0xffff) {
656 info
= &codec
->amp_info
[cur
];
657 if (info
->key
== key
)
662 /* add a new hash entry */
663 if (codec
->num_amp_entries
>= codec
->amp_info_size
) {
664 /* reallocate the array */
665 int new_size
= codec
->amp_info_size
+ 64;
666 struct hda_amp_info
*new_info
= kcalloc(new_size
, sizeof(struct hda_amp_info
),
669 snd_printk(KERN_ERR
"hda_codec: can't malloc amp_info\n");
672 if (codec
->amp_info
) {
673 memcpy(new_info
, codec
->amp_info
,
674 codec
->amp_info_size
* sizeof(struct hda_amp_info
));
675 kfree(codec
->amp_info
);
677 codec
->amp_info_size
= new_size
;
678 codec
->amp_info
= new_info
;
680 cur
= codec
->num_amp_entries
++;
681 info
= &codec
->amp_info
[cur
];
683 info
->status
= 0; /* not initialized yet */
684 info
->next
= codec
->amp_hash
[idx
];
685 codec
->amp_hash
[idx
] = cur
;
691 * query AMP capabilities for the given widget and direction
693 static u32
query_amp_caps(struct hda_codec
*codec
, hda_nid_t nid
, int direction
)
695 struct hda_amp_info
*info
= get_alloc_amp_hash(codec
, HDA_HASH_KEY(nid
, direction
, 0));
699 if (! (info
->status
& INFO_AMP_CAPS
)) {
700 if (! (get_wcaps(codec
, nid
) & AC_WCAP_AMP_OVRD
))
702 info
->amp_caps
= snd_hda_param_read(codec
, nid
, direction
== HDA_OUTPUT
?
703 AC_PAR_AMP_OUT_CAP
: AC_PAR_AMP_IN_CAP
);
704 info
->status
|= INFO_AMP_CAPS
;
706 return info
->amp_caps
;
710 * read the current volume to info
711 * if the cache exists, read the cache value.
713 static unsigned int get_vol_mute(struct hda_codec
*codec
, struct hda_amp_info
*info
,
714 hda_nid_t nid
, int ch
, int direction
, int index
)
718 if (info
->status
& INFO_AMP_VOL(ch
))
719 return info
->vol
[ch
];
721 parm
= ch
? AC_AMP_GET_RIGHT
: AC_AMP_GET_LEFT
;
722 parm
|= direction
== HDA_OUTPUT
? AC_AMP_GET_OUTPUT
: AC_AMP_GET_INPUT
;
724 val
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_AMP_GAIN_MUTE
, parm
);
725 info
->vol
[ch
] = val
& 0xff;
726 info
->status
|= INFO_AMP_VOL(ch
);
727 return info
->vol
[ch
];
731 * write the current volume in info to the h/w and update the cache
733 static void put_vol_mute(struct hda_codec
*codec
, struct hda_amp_info
*info
,
734 hda_nid_t nid
, int ch
, int direction
, int index
, int val
)
738 parm
= ch
? AC_AMP_SET_RIGHT
: AC_AMP_SET_LEFT
;
739 parm
|= direction
== HDA_OUTPUT
? AC_AMP_SET_OUTPUT
: AC_AMP_SET_INPUT
;
740 parm
|= index
<< AC_AMP_SET_INDEX_SHIFT
;
742 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_AMP_GAIN_MUTE
, parm
);
747 * read AMP value. The volume is between 0 to 0x7f, 0x80 = mute bit.
749 int snd_hda_codec_amp_read(struct hda_codec
*codec
, hda_nid_t nid
, int ch
,
750 int direction
, int index
)
752 struct hda_amp_info
*info
= get_alloc_amp_hash(codec
, HDA_HASH_KEY(nid
, direction
, index
));
755 return get_vol_mute(codec
, info
, nid
, ch
, direction
, index
);
759 * update the AMP value, mask = bit mask to set, val = the value
761 int snd_hda_codec_amp_update(struct hda_codec
*codec
, hda_nid_t nid
, int ch
,
762 int direction
, int idx
, int mask
, int val
)
764 struct hda_amp_info
*info
= get_alloc_amp_hash(codec
, HDA_HASH_KEY(nid
, direction
, idx
));
769 val
|= get_vol_mute(codec
, info
, nid
, ch
, direction
, idx
) & ~mask
;
770 if (info
->vol
[ch
] == val
&& ! codec
->in_resume
)
772 put_vol_mute(codec
, info
, nid
, ch
, direction
, idx
, val
);
778 * AMP control callbacks
780 /* retrieve parameters from private_value */
781 #define get_amp_nid(kc) ((kc)->private_value & 0xffff)
782 #define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3)
783 #define get_amp_direction(kc) (((kc)->private_value >> 18) & 0x1)
784 #define get_amp_index(kc) (((kc)->private_value >> 19) & 0xf)
787 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_info
*uinfo
)
789 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
790 u16 nid
= get_amp_nid(kcontrol
);
791 u8 chs
= get_amp_channels(kcontrol
);
792 int dir
= get_amp_direction(kcontrol
);
795 caps
= query_amp_caps(codec
, nid
, dir
);
796 caps
= (caps
& AC_AMPCAP_NUM_STEPS
) >> AC_AMPCAP_NUM_STEPS_SHIFT
; /* num steps */
798 printk(KERN_WARNING
"hda_codec: num_steps = 0 for NID=0x%x\n", nid
);
801 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_INTEGER
;
802 uinfo
->count
= chs
== 3 ? 2 : 1;
803 uinfo
->value
.integer
.min
= 0;
804 uinfo
->value
.integer
.max
= caps
;
808 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
810 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
811 hda_nid_t nid
= get_amp_nid(kcontrol
);
812 int chs
= get_amp_channels(kcontrol
);
813 int dir
= get_amp_direction(kcontrol
);
814 int idx
= get_amp_index(kcontrol
);
815 long *valp
= ucontrol
->value
.integer
.value
;
818 *valp
++ = snd_hda_codec_amp_read(codec
, nid
, 0, dir
, idx
) & 0x7f;
820 *valp
= snd_hda_codec_amp_read(codec
, nid
, 1, dir
, idx
) & 0x7f;
824 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
826 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
827 hda_nid_t nid
= get_amp_nid(kcontrol
);
828 int chs
= get_amp_channels(kcontrol
);
829 int dir
= get_amp_direction(kcontrol
);
830 int idx
= get_amp_index(kcontrol
);
831 long *valp
= ucontrol
->value
.integer
.value
;
835 change
= snd_hda_codec_amp_update(codec
, nid
, 0, dir
, idx
,
840 change
|= snd_hda_codec_amp_update(codec
, nid
, 1, dir
, idx
,
845 int snd_hda_mixer_amp_tlv(struct snd_kcontrol
*kcontrol
, int op_flag
,
846 unsigned int size
, unsigned int __user
*_tlv
)
848 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
849 hda_nid_t nid
= get_amp_nid(kcontrol
);
850 int dir
= get_amp_direction(kcontrol
);
851 u32 caps
, val1
, val2
;
853 if (size
< 4 * sizeof(unsigned int))
855 caps
= query_amp_caps(codec
, nid
, dir
);
856 val2
= (((caps
& AC_AMPCAP_STEP_SIZE
) >> AC_AMPCAP_STEP_SIZE_SHIFT
) + 1) * 25;
857 val1
= -((caps
& AC_AMPCAP_OFFSET
) >> AC_AMPCAP_OFFSET_SHIFT
);
858 val1
= ((int)val1
) * ((int)val2
);
859 if (put_user(SNDRV_CTL_TLVT_DB_SCALE
, _tlv
))
861 if (put_user(2 * sizeof(unsigned int), _tlv
+ 1))
863 if (put_user(val1
, _tlv
+ 2))
865 if (put_user(val2
, _tlv
+ 3))
871 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_info
*uinfo
)
873 int chs
= get_amp_channels(kcontrol
);
875 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_BOOLEAN
;
876 uinfo
->count
= chs
== 3 ? 2 : 1;
877 uinfo
->value
.integer
.min
= 0;
878 uinfo
->value
.integer
.max
= 1;
882 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
884 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
885 hda_nid_t nid
= get_amp_nid(kcontrol
);
886 int chs
= get_amp_channels(kcontrol
);
887 int dir
= get_amp_direction(kcontrol
);
888 int idx
= get_amp_index(kcontrol
);
889 long *valp
= ucontrol
->value
.integer
.value
;
892 *valp
++ = (snd_hda_codec_amp_read(codec
, nid
, 0, dir
, idx
) & 0x80) ? 0 : 1;
894 *valp
= (snd_hda_codec_amp_read(codec
, nid
, 1, dir
, idx
) & 0x80) ? 0 : 1;
898 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
900 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
901 hda_nid_t nid
= get_amp_nid(kcontrol
);
902 int chs
= get_amp_channels(kcontrol
);
903 int dir
= get_amp_direction(kcontrol
);
904 int idx
= get_amp_index(kcontrol
);
905 long *valp
= ucontrol
->value
.integer
.value
;
909 change
= snd_hda_codec_amp_update(codec
, nid
, 0, dir
, idx
,
910 0x80, *valp
? 0 : 0x80);
914 change
|= snd_hda_codec_amp_update(codec
, nid
, 1, dir
, idx
,
915 0x80, *valp
? 0 : 0x80);
921 * bound volume controls
923 * bind multiple volumes (# indices, from 0)
926 #define AMP_VAL_IDX_SHIFT 19
927 #define AMP_VAL_IDX_MASK (0x0f<<19)
929 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
931 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
935 mutex_lock(&codec
->spdif_mutex
); /* reuse spdif_mutex */
936 pval
= kcontrol
->private_value
;
937 kcontrol
->private_value
= pval
& ~AMP_VAL_IDX_MASK
; /* index 0 */
938 err
= snd_hda_mixer_amp_switch_get(kcontrol
, ucontrol
);
939 kcontrol
->private_value
= pval
;
940 mutex_unlock(&codec
->spdif_mutex
);
944 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
946 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
948 int i
, indices
, err
= 0, change
= 0;
950 mutex_lock(&codec
->spdif_mutex
); /* reuse spdif_mutex */
951 pval
= kcontrol
->private_value
;
952 indices
= (pval
& AMP_VAL_IDX_MASK
) >> AMP_VAL_IDX_SHIFT
;
953 for (i
= 0; i
< indices
; i
++) {
954 kcontrol
->private_value
= (pval
& ~AMP_VAL_IDX_MASK
) | (i
<< AMP_VAL_IDX_SHIFT
);
955 err
= snd_hda_mixer_amp_switch_put(kcontrol
, ucontrol
);
960 kcontrol
->private_value
= pval
;
961 mutex_unlock(&codec
->spdif_mutex
);
962 return err
< 0 ? err
: change
;
969 static int snd_hda_spdif_mask_info(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_info
*uinfo
)
971 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_IEC958
;
976 static int snd_hda_spdif_cmask_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
978 ucontrol
->value
.iec958
.status
[0] = IEC958_AES0_PROFESSIONAL
|
979 IEC958_AES0_NONAUDIO
|
980 IEC958_AES0_CON_EMPHASIS_5015
|
981 IEC958_AES0_CON_NOT_COPYRIGHT
;
982 ucontrol
->value
.iec958
.status
[1] = IEC958_AES1_CON_CATEGORY
|
983 IEC958_AES1_CON_ORIGINAL
;
987 static int snd_hda_spdif_pmask_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
989 ucontrol
->value
.iec958
.status
[0] = IEC958_AES0_PROFESSIONAL
|
990 IEC958_AES0_NONAUDIO
|
991 IEC958_AES0_PRO_EMPHASIS_5015
;
995 static int snd_hda_spdif_default_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
997 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
999 ucontrol
->value
.iec958
.status
[0] = codec
->spdif_status
& 0xff;
1000 ucontrol
->value
.iec958
.status
[1] = (codec
->spdif_status
>> 8) & 0xff;
1001 ucontrol
->value
.iec958
.status
[2] = (codec
->spdif_status
>> 16) & 0xff;
1002 ucontrol
->value
.iec958
.status
[3] = (codec
->spdif_status
>> 24) & 0xff;
1007 /* convert from SPDIF status bits to HDA SPDIF bits
1008 * bit 0 (DigEn) is always set zero (to be filled later)
1010 static unsigned short convert_from_spdif_status(unsigned int sbits
)
1012 unsigned short val
= 0;
1014 if (sbits
& IEC958_AES0_PROFESSIONAL
)
1016 if (sbits
& IEC958_AES0_NONAUDIO
)
1018 if (sbits
& IEC958_AES0_PROFESSIONAL
) {
1019 if ((sbits
& IEC958_AES0_PRO_EMPHASIS
) == IEC958_AES0_PRO_EMPHASIS_5015
)
1022 if ((sbits
& IEC958_AES0_CON_EMPHASIS
) == IEC958_AES0_CON_EMPHASIS_5015
)
1024 if (! (sbits
& IEC958_AES0_CON_NOT_COPYRIGHT
))
1026 if (sbits
& (IEC958_AES1_CON_ORIGINAL
<< 8))
1028 val
|= sbits
& (IEC958_AES1_CON_CATEGORY
<< 8);
1033 /* convert to SPDIF status bits from HDA SPDIF bits
1035 static unsigned int convert_to_spdif_status(unsigned short val
)
1037 unsigned int sbits
= 0;
1040 sbits
|= IEC958_AES0_NONAUDIO
;
1042 sbits
|= IEC958_AES0_PROFESSIONAL
;
1043 if (sbits
& IEC958_AES0_PROFESSIONAL
) {
1044 if (sbits
& (1 << 3))
1045 sbits
|= IEC958_AES0_PRO_EMPHASIS_5015
;
1048 sbits
|= IEC958_AES0_CON_EMPHASIS_5015
;
1049 if (! (val
& (1 << 4)))
1050 sbits
|= IEC958_AES0_CON_NOT_COPYRIGHT
;
1052 sbits
|= (IEC958_AES1_CON_ORIGINAL
<< 8);
1053 sbits
|= val
& (0x7f << 8);
1058 static int snd_hda_spdif_default_put(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1060 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1061 hda_nid_t nid
= kcontrol
->private_value
;
1065 mutex_lock(&codec
->spdif_mutex
);
1066 codec
->spdif_status
= ucontrol
->value
.iec958
.status
[0] |
1067 ((unsigned int)ucontrol
->value
.iec958
.status
[1] << 8) |
1068 ((unsigned int)ucontrol
->value
.iec958
.status
[2] << 16) |
1069 ((unsigned int)ucontrol
->value
.iec958
.status
[3] << 24);
1070 val
= convert_from_spdif_status(codec
->spdif_status
);
1071 val
|= codec
->spdif_ctls
& 1;
1072 change
= codec
->spdif_ctls
!= val
;
1073 codec
->spdif_ctls
= val
;
1075 if (change
|| codec
->in_resume
) {
1076 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_DIGI_CONVERT_1
, val
& 0xff);
1077 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_DIGI_CONVERT_2
, val
>> 8);
1080 mutex_unlock(&codec
->spdif_mutex
);
1084 static int snd_hda_spdif_out_switch_info(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_info
*uinfo
)
1086 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_BOOLEAN
;
1088 uinfo
->value
.integer
.min
= 0;
1089 uinfo
->value
.integer
.max
= 1;
1093 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1095 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1097 ucontrol
->value
.integer
.value
[0] = codec
->spdif_ctls
& 1;
1101 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1103 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1104 hda_nid_t nid
= kcontrol
->private_value
;
1108 mutex_lock(&codec
->spdif_mutex
);
1109 val
= codec
->spdif_ctls
& ~1;
1110 if (ucontrol
->value
.integer
.value
[0])
1112 change
= codec
->spdif_ctls
!= val
;
1113 if (change
|| codec
->in_resume
) {
1114 codec
->spdif_ctls
= val
;
1115 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_DIGI_CONVERT_1
, val
& 0xff);
1116 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_AMP_GAIN_MUTE
,
1117 AC_AMP_SET_RIGHT
| AC_AMP_SET_LEFT
|
1118 AC_AMP_SET_OUTPUT
| ((val
& 1) ? 0 : 0x80));
1120 mutex_unlock(&codec
->spdif_mutex
);
1124 static struct snd_kcontrol_new dig_mixes
[] = {
1126 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
1127 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1128 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,CON_MASK
),
1129 .info
= snd_hda_spdif_mask_info
,
1130 .get
= snd_hda_spdif_cmask_get
,
1133 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
1134 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1135 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,PRO_MASK
),
1136 .info
= snd_hda_spdif_mask_info
,
1137 .get
= snd_hda_spdif_pmask_get
,
1140 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1141 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,DEFAULT
),
1142 .info
= snd_hda_spdif_mask_info
,
1143 .get
= snd_hda_spdif_default_get
,
1144 .put
= snd_hda_spdif_default_put
,
1147 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1148 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,SWITCH
),
1149 .info
= snd_hda_spdif_out_switch_info
,
1150 .get
= snd_hda_spdif_out_switch_get
,
1151 .put
= snd_hda_spdif_out_switch_put
,
1157 * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1158 * @codec: the HDA codec
1159 * @nid: audio out widget NID
1161 * Creates controls related with the SPDIF output.
1162 * Called from each patch supporting the SPDIF out.
1164 * Returns 0 if successful, or a negative error code.
1166 int snd_hda_create_spdif_out_ctls(struct hda_codec
*codec
, hda_nid_t nid
)
1169 struct snd_kcontrol
*kctl
;
1170 struct snd_kcontrol_new
*dig_mix
;
1172 for (dig_mix
= dig_mixes
; dig_mix
->name
; dig_mix
++) {
1173 kctl
= snd_ctl_new1(dig_mix
, codec
);
1174 kctl
->private_value
= nid
;
1175 if ((err
= snd_ctl_add(codec
->bus
->card
, kctl
)) < 0)
1178 codec
->spdif_ctls
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_DIGI_CONVERT
, 0);
1179 codec
->spdif_status
= convert_to_spdif_status(codec
->spdif_ctls
);
1187 #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
1189 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1191 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1193 ucontrol
->value
.integer
.value
[0] = codec
->spdif_in_enable
;
1197 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1199 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1200 hda_nid_t nid
= kcontrol
->private_value
;
1201 unsigned int val
= !!ucontrol
->value
.integer
.value
[0];
1204 mutex_lock(&codec
->spdif_mutex
);
1205 change
= codec
->spdif_in_enable
!= val
;
1206 if (change
|| codec
->in_resume
) {
1207 codec
->spdif_in_enable
= val
;
1208 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_DIGI_CONVERT_1
, val
);
1210 mutex_unlock(&codec
->spdif_mutex
);
1214 static int snd_hda_spdif_in_status_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1216 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1217 hda_nid_t nid
= kcontrol
->private_value
;
1221 val
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_DIGI_CONVERT
, 0);
1222 sbits
= convert_to_spdif_status(val
);
1223 ucontrol
->value
.iec958
.status
[0] = sbits
;
1224 ucontrol
->value
.iec958
.status
[1] = sbits
>> 8;
1225 ucontrol
->value
.iec958
.status
[2] = sbits
>> 16;
1226 ucontrol
->value
.iec958
.status
[3] = sbits
>> 24;
1230 static struct snd_kcontrol_new dig_in_ctls
[] = {
1232 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1233 .name
= SNDRV_CTL_NAME_IEC958("",CAPTURE
,SWITCH
),
1234 .info
= snd_hda_spdif_in_switch_info
,
1235 .get
= snd_hda_spdif_in_switch_get
,
1236 .put
= snd_hda_spdif_in_switch_put
,
1239 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
1240 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1241 .name
= SNDRV_CTL_NAME_IEC958("",CAPTURE
,DEFAULT
),
1242 .info
= snd_hda_spdif_mask_info
,
1243 .get
= snd_hda_spdif_in_status_get
,
1249 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1250 * @codec: the HDA codec
1251 * @nid: audio in widget NID
1253 * Creates controls related with the SPDIF input.
1254 * Called from each patch supporting the SPDIF in.
1256 * Returns 0 if successful, or a negative error code.
1258 int snd_hda_create_spdif_in_ctls(struct hda_codec
*codec
, hda_nid_t nid
)
1261 struct snd_kcontrol
*kctl
;
1262 struct snd_kcontrol_new
*dig_mix
;
1264 for (dig_mix
= dig_in_ctls
; dig_mix
->name
; dig_mix
++) {
1265 kctl
= snd_ctl_new1(dig_mix
, codec
);
1266 kctl
->private_value
= nid
;
1267 if ((err
= snd_ctl_add(codec
->bus
->card
, kctl
)) < 0)
1270 codec
->spdif_in_enable
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_DIGI_CONVERT
, 0) & 1;
1276 * set power state of the codec
1278 static void hda_set_power_state(struct hda_codec
*codec
, hda_nid_t fg
,
1279 unsigned int power_state
)
1281 hda_nid_t nid
, nid_start
;
1284 snd_hda_codec_write(codec
, fg
, 0, AC_VERB_SET_POWER_STATE
,
1287 nodes
= snd_hda_get_sub_nodes(codec
, fg
, &nid_start
);
1288 for (nid
= nid_start
; nid
< nodes
+ nid_start
; nid
++) {
1289 if (get_wcaps(codec
, nid
) & AC_WCAP_POWER
)
1290 snd_hda_codec_write(codec
, nid
, 0,
1291 AC_VERB_SET_POWER_STATE
,
1295 if (power_state
== AC_PWRST_D0
)
1301 * snd_hda_build_controls - build mixer controls
1304 * Creates mixer controls for each codec included in the bus.
1306 * Returns 0 if successful, otherwise a negative error code.
1308 int snd_hda_build_controls(struct hda_bus
*bus
)
1310 struct list_head
*p
;
1312 /* build controls */
1313 list_for_each(p
, &bus
->codec_list
) {
1314 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
1316 if (! codec
->patch_ops
.build_controls
)
1318 err
= codec
->patch_ops
.build_controls(codec
);
1324 list_for_each(p
, &bus
->codec_list
) {
1325 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
1327 hda_set_power_state(codec
,
1328 codec
->afg
? codec
->afg
: codec
->mfg
,
1330 if (! codec
->patch_ops
.init
)
1332 err
= codec
->patch_ops
.init(codec
);
1339 EXPORT_SYMBOL(snd_hda_build_controls
);
1344 struct hda_rate_tbl
{
1346 unsigned int alsa_bits
;
1347 unsigned int hda_fmt
;
1350 static struct hda_rate_tbl rate_bits
[] = {
1351 /* rate in Hz, ALSA rate bitmask, HDA format value */
1353 /* autodetected value used in snd_hda_query_supported_pcm */
1354 { 8000, SNDRV_PCM_RATE_8000
, 0x0500 }, /* 1/6 x 48 */
1355 { 11025, SNDRV_PCM_RATE_11025
, 0x4300 }, /* 1/4 x 44 */
1356 { 16000, SNDRV_PCM_RATE_16000
, 0x0200 }, /* 1/3 x 48 */
1357 { 22050, SNDRV_PCM_RATE_22050
, 0x4100 }, /* 1/2 x 44 */
1358 { 32000, SNDRV_PCM_RATE_32000
, 0x0a00 }, /* 2/3 x 48 */
1359 { 44100, SNDRV_PCM_RATE_44100
, 0x4000 }, /* 44 */
1360 { 48000, SNDRV_PCM_RATE_48000
, 0x0000 }, /* 48 */
1361 { 88200, SNDRV_PCM_RATE_88200
, 0x4800 }, /* 2 x 44 */
1362 { 96000, SNDRV_PCM_RATE_96000
, 0x0800 }, /* 2 x 48 */
1363 { 176400, SNDRV_PCM_RATE_176400
, 0x5800 },/* 4 x 44 */
1364 { 192000, SNDRV_PCM_RATE_192000
, 0x1800 }, /* 4 x 48 */
1366 /* not autodetected value */
1367 { 9600, SNDRV_PCM_RATE_KNOT
, 0x0400 }, /* 1/5 x 48 */
1369 { 0 } /* terminator */
1373 * snd_hda_calc_stream_format - calculate format bitset
1374 * @rate: the sample rate
1375 * @channels: the number of channels
1376 * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
1377 * @maxbps: the max. bps
1379 * Calculate the format bitset from the given rate, channels and th PCM format.
1381 * Return zero if invalid.
1383 unsigned int snd_hda_calc_stream_format(unsigned int rate
,
1384 unsigned int channels
,
1385 unsigned int format
,
1386 unsigned int maxbps
)
1389 unsigned int val
= 0;
1391 for (i
= 0; rate_bits
[i
].hz
; i
++)
1392 if (rate_bits
[i
].hz
== rate
) {
1393 val
= rate_bits
[i
].hda_fmt
;
1396 if (! rate_bits
[i
].hz
) {
1397 snd_printdd("invalid rate %d\n", rate
);
1401 if (channels
== 0 || channels
> 8) {
1402 snd_printdd("invalid channels %d\n", channels
);
1405 val
|= channels
- 1;
1407 switch (snd_pcm_format_width(format
)) {
1408 case 8: val
|= 0x00; break;
1409 case 16: val
|= 0x10; break;
1415 else if (maxbps
>= 24)
1421 snd_printdd("invalid format width %d\n", snd_pcm_format_width(format
));
1428 EXPORT_SYMBOL(snd_hda_calc_stream_format
);
1431 * snd_hda_query_supported_pcm - query the supported PCM rates and formats
1432 * @codec: the HDA codec
1433 * @nid: NID to query
1434 * @ratesp: the pointer to store the detected rate bitflags
1435 * @formatsp: the pointer to store the detected formats
1436 * @bpsp: the pointer to store the detected format widths
1438 * Queries the supported PCM rates and formats. The NULL @ratesp, @formatsp
1439 * or @bsps argument is ignored.
1441 * Returns 0 if successful, otherwise a negative error code.
1443 int snd_hda_query_supported_pcm(struct hda_codec
*codec
, hda_nid_t nid
,
1444 u32
*ratesp
, u64
*formatsp
, unsigned int *bpsp
)
1447 unsigned int val
, streams
;
1450 if (nid
!= codec
->afg
&&
1451 (get_wcaps(codec
, nid
) & AC_WCAP_FORMAT_OVRD
)) {
1452 val
= snd_hda_param_read(codec
, nid
, AC_PAR_PCM
);
1457 val
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_PCM
);
1461 for (i
= 0; rate_bits
[i
].hz
; i
++) {
1463 rates
|= rate_bits
[i
].alsa_bits
;
1468 if (formatsp
|| bpsp
) {
1473 wcaps
= get_wcaps(codec
, nid
);
1474 streams
= snd_hda_param_read(codec
, nid
, AC_PAR_STREAM
);
1478 streams
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_STREAM
);
1484 if (streams
& AC_SUPFMT_PCM
) {
1485 if (val
& AC_SUPPCM_BITS_8
) {
1486 formats
|= SNDRV_PCM_FMTBIT_U8
;
1489 if (val
& AC_SUPPCM_BITS_16
) {
1490 formats
|= SNDRV_PCM_FMTBIT_S16_LE
;
1493 if (wcaps
& AC_WCAP_DIGITAL
) {
1494 if (val
& AC_SUPPCM_BITS_32
)
1495 formats
|= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE
;
1496 if (val
& (AC_SUPPCM_BITS_20
|AC_SUPPCM_BITS_24
))
1497 formats
|= SNDRV_PCM_FMTBIT_S32_LE
;
1498 if (val
& AC_SUPPCM_BITS_24
)
1500 else if (val
& AC_SUPPCM_BITS_20
)
1502 } else if (val
& (AC_SUPPCM_BITS_20
|AC_SUPPCM_BITS_24
|AC_SUPPCM_BITS_32
)) {
1503 formats
|= SNDRV_PCM_FMTBIT_S32_LE
;
1504 if (val
& AC_SUPPCM_BITS_32
)
1506 else if (val
& AC_SUPPCM_BITS_20
)
1508 else if (val
& AC_SUPPCM_BITS_24
)
1512 else if (streams
== AC_SUPFMT_FLOAT32
) { /* should be exclusive */
1513 formats
|= SNDRV_PCM_FMTBIT_FLOAT_LE
;
1515 } else if (streams
== AC_SUPFMT_AC3
) { /* should be exclusive */
1516 /* temporary hack: we have still no proper support
1517 * for the direct AC3 stream...
1519 formats
|= SNDRV_PCM_FMTBIT_U8
;
1523 *formatsp
= formats
;
1532 * snd_hda_is_supported_format - check whether the given node supports the format val
1534 * Returns 1 if supported, 0 if not.
1536 int snd_hda_is_supported_format(struct hda_codec
*codec
, hda_nid_t nid
,
1537 unsigned int format
)
1540 unsigned int val
= 0, rate
, stream
;
1542 if (nid
!= codec
->afg
&&
1543 (get_wcaps(codec
, nid
) & AC_WCAP_FORMAT_OVRD
)) {
1544 val
= snd_hda_param_read(codec
, nid
, AC_PAR_PCM
);
1549 val
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_PCM
);
1554 rate
= format
& 0xff00;
1555 for (i
= 0; rate_bits
[i
].hz
; i
++)
1556 if (rate_bits
[i
].hda_fmt
== rate
) {
1561 if (! rate_bits
[i
].hz
)
1564 stream
= snd_hda_param_read(codec
, nid
, AC_PAR_STREAM
);
1567 if (! stream
&& nid
!= codec
->afg
)
1568 stream
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_STREAM
);
1569 if (! stream
|| stream
== -1)
1572 if (stream
& AC_SUPFMT_PCM
) {
1573 switch (format
& 0xf0) {
1575 if (! (val
& AC_SUPPCM_BITS_8
))
1579 if (! (val
& AC_SUPPCM_BITS_16
))
1583 if (! (val
& AC_SUPPCM_BITS_20
))
1587 if (! (val
& AC_SUPPCM_BITS_24
))
1591 if (! (val
& AC_SUPPCM_BITS_32
))
1598 /* FIXME: check for float32 and AC3? */
1607 static int hda_pcm_default_open_close(struct hda_pcm_stream
*hinfo
,
1608 struct hda_codec
*codec
,
1609 struct snd_pcm_substream
*substream
)
1614 static int hda_pcm_default_prepare(struct hda_pcm_stream
*hinfo
,
1615 struct hda_codec
*codec
,
1616 unsigned int stream_tag
,
1617 unsigned int format
,
1618 struct snd_pcm_substream
*substream
)
1620 snd_hda_codec_setup_stream(codec
, hinfo
->nid
, stream_tag
, 0, format
);
1624 static int hda_pcm_default_cleanup(struct hda_pcm_stream
*hinfo
,
1625 struct hda_codec
*codec
,
1626 struct snd_pcm_substream
*substream
)
1628 snd_hda_codec_setup_stream(codec
, hinfo
->nid
, 0, 0, 0);
1632 static int set_pcm_default_values(struct hda_codec
*codec
, struct hda_pcm_stream
*info
)
1635 /* query support PCM information from the given NID */
1636 if (! info
->rates
|| ! info
->formats
)
1637 snd_hda_query_supported_pcm(codec
, info
->nid
,
1638 info
->rates
? NULL
: &info
->rates
,
1639 info
->formats
? NULL
: &info
->formats
,
1640 info
->maxbps
? NULL
: &info
->maxbps
);
1642 if (info
->ops
.open
== NULL
)
1643 info
->ops
.open
= hda_pcm_default_open_close
;
1644 if (info
->ops
.close
== NULL
)
1645 info
->ops
.close
= hda_pcm_default_open_close
;
1646 if (info
->ops
.prepare
== NULL
) {
1647 snd_assert(info
->nid
, return -EINVAL
);
1648 info
->ops
.prepare
= hda_pcm_default_prepare
;
1650 if (info
->ops
.cleanup
== NULL
) {
1651 snd_assert(info
->nid
, return -EINVAL
);
1652 info
->ops
.cleanup
= hda_pcm_default_cleanup
;
1658 * snd_hda_build_pcms - build PCM information
1661 * Create PCM information for each codec included in the bus.
1663 * The build_pcms codec patch is requested to set up codec->num_pcms and
1664 * codec->pcm_info properly. The array is referred by the top-level driver
1665 * to create its PCM instances.
1666 * The allocated codec->pcm_info should be released in codec->patch_ops.free
1669 * At least, substreams, channels_min and channels_max must be filled for
1670 * each stream. substreams = 0 indicates that the stream doesn't exist.
1671 * When rates and/or formats are zero, the supported values are queried
1672 * from the given nid. The nid is used also by the default ops.prepare
1673 * and ops.cleanup callbacks.
1675 * The driver needs to call ops.open in its open callback. Similarly,
1676 * ops.close is supposed to be called in the close callback.
1677 * ops.prepare should be called in the prepare or hw_params callback
1678 * with the proper parameters for set up.
1679 * ops.cleanup should be called in hw_free for clean up of streams.
1681 * This function returns 0 if successfull, or a negative error code.
1683 int snd_hda_build_pcms(struct hda_bus
*bus
)
1685 struct list_head
*p
;
1687 list_for_each(p
, &bus
->codec_list
) {
1688 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
1689 unsigned int pcm
, s
;
1691 if (! codec
->patch_ops
.build_pcms
)
1693 err
= codec
->patch_ops
.build_pcms(codec
);
1696 for (pcm
= 0; pcm
< codec
->num_pcms
; pcm
++) {
1697 for (s
= 0; s
< 2; s
++) {
1698 struct hda_pcm_stream
*info
;
1699 info
= &codec
->pcm_info
[pcm
].stream
[s
];
1700 if (! info
->substreams
)
1702 err
= set_pcm_default_values(codec
, info
);
1711 EXPORT_SYMBOL(snd_hda_build_pcms
);
1714 * snd_hda_check_board_config - compare the current codec with the config table
1715 * @codec: the HDA codec
1716 * @tbl: configuration table, terminated by null entries
1718 * Compares the modelname or PCI subsystem id of the current codec with the
1719 * given configuration table. If a matching entry is found, returns its
1720 * config value (supposed to be 0 or positive).
1722 * If no entries are matching, the function returns a negative value.
1724 int snd_hda_check_board_config(struct hda_codec
*codec
, const struct hda_board_config
*tbl
)
1726 const struct hda_board_config
*c
;
1728 if (codec
->bus
->modelname
) {
1729 for (c
= tbl
; c
->modelname
|| c
->pci_subvendor
; c
++) {
1731 ! strcmp(codec
->bus
->modelname
, c
->modelname
)) {
1732 snd_printd(KERN_INFO
"hda_codec: model '%s' is selected\n", c
->modelname
);
1738 if (codec
->bus
->pci
) {
1739 u16 subsystem_vendor
, subsystem_device
;
1740 pci_read_config_word(codec
->bus
->pci
, PCI_SUBSYSTEM_VENDOR_ID
, &subsystem_vendor
);
1741 pci_read_config_word(codec
->bus
->pci
, PCI_SUBSYSTEM_ID
, &subsystem_device
);
1742 for (c
= tbl
; c
->modelname
|| c
->pci_subvendor
; c
++) {
1743 if (c
->pci_subvendor
== subsystem_vendor
&&
1744 (! c
->pci_subdevice
/* all match */||
1745 (c
->pci_subdevice
== subsystem_device
))) {
1746 snd_printdd(KERN_INFO
"hda_codec: PCI %x:%x, codec config %d is selected\n",
1747 subsystem_vendor
, subsystem_device
, c
->config
);
1756 * snd_hda_add_new_ctls - create controls from the array
1757 * @codec: the HDA codec
1758 * @knew: the array of struct snd_kcontrol_new
1760 * This helper function creates and add new controls in the given array.
1761 * The array must be terminated with an empty entry as terminator.
1763 * Returns 0 if successful, or a negative error code.
1765 int snd_hda_add_new_ctls(struct hda_codec
*codec
, struct snd_kcontrol_new
*knew
)
1769 for (; knew
->name
; knew
++) {
1770 struct snd_kcontrol
*kctl
;
1771 kctl
= snd_ctl_new1(knew
, codec
);
1774 err
= snd_ctl_add(codec
->bus
->card
, kctl
);
1778 kctl
= snd_ctl_new1(knew
, codec
);
1781 kctl
->id
.device
= codec
->addr
;
1782 if ((err
= snd_ctl_add(codec
->bus
->card
, kctl
)) < 0)
1791 * Channel mode helper
1793 int snd_hda_ch_mode_info(struct hda_codec
*codec
, struct snd_ctl_elem_info
*uinfo
,
1794 const struct hda_channel_mode
*chmode
, int num_chmodes
)
1796 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_ENUMERATED
;
1798 uinfo
->value
.enumerated
.items
= num_chmodes
;
1799 if (uinfo
->value
.enumerated
.item
>= num_chmodes
)
1800 uinfo
->value
.enumerated
.item
= num_chmodes
- 1;
1801 sprintf(uinfo
->value
.enumerated
.name
, "%dch",
1802 chmode
[uinfo
->value
.enumerated
.item
].channels
);
1806 int snd_hda_ch_mode_get(struct hda_codec
*codec
, struct snd_ctl_elem_value
*ucontrol
,
1807 const struct hda_channel_mode
*chmode
, int num_chmodes
,
1812 for (i
= 0; i
< num_chmodes
; i
++) {
1813 if (max_channels
== chmode
[i
].channels
) {
1814 ucontrol
->value
.enumerated
.item
[0] = i
;
1821 int snd_hda_ch_mode_put(struct hda_codec
*codec
, struct snd_ctl_elem_value
*ucontrol
,
1822 const struct hda_channel_mode
*chmode
, int num_chmodes
,
1827 mode
= ucontrol
->value
.enumerated
.item
[0];
1828 snd_assert(mode
< num_chmodes
, return -EINVAL
);
1829 if (*max_channelsp
== chmode
[mode
].channels
&& ! codec
->in_resume
)
1831 /* change the current channel setting */
1832 *max_channelsp
= chmode
[mode
].channels
;
1833 if (chmode
[mode
].sequence
)
1834 snd_hda_sequence_write(codec
, chmode
[mode
].sequence
);
1841 int snd_hda_input_mux_info(const struct hda_input_mux
*imux
, struct snd_ctl_elem_info
*uinfo
)
1845 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_ENUMERATED
;
1847 uinfo
->value
.enumerated
.items
= imux
->num_items
;
1848 index
= uinfo
->value
.enumerated
.item
;
1849 if (index
>= imux
->num_items
)
1850 index
= imux
->num_items
- 1;
1851 strcpy(uinfo
->value
.enumerated
.name
, imux
->items
[index
].label
);
1855 int snd_hda_input_mux_put(struct hda_codec
*codec
, const struct hda_input_mux
*imux
,
1856 struct snd_ctl_elem_value
*ucontrol
, hda_nid_t nid
,
1857 unsigned int *cur_val
)
1861 idx
= ucontrol
->value
.enumerated
.item
[0];
1862 if (idx
>= imux
->num_items
)
1863 idx
= imux
->num_items
- 1;
1864 if (*cur_val
== idx
&& ! codec
->in_resume
)
1866 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_CONNECT_SEL
,
1867 imux
->items
[idx
].index
);
1874 * Multi-channel / digital-out PCM helper functions
1878 * open the digital out in the exclusive mode
1880 int snd_hda_multi_out_dig_open(struct hda_codec
*codec
, struct hda_multi_out
*mout
)
1882 mutex_lock(&codec
->spdif_mutex
);
1883 if (mout
->dig_out_used
) {
1884 mutex_unlock(&codec
->spdif_mutex
);
1885 return -EBUSY
; /* already being used */
1887 mout
->dig_out_used
= HDA_DIG_EXCLUSIVE
;
1888 mutex_unlock(&codec
->spdif_mutex
);
1893 * release the digital out
1895 int snd_hda_multi_out_dig_close(struct hda_codec
*codec
, struct hda_multi_out
*mout
)
1897 mutex_lock(&codec
->spdif_mutex
);
1898 mout
->dig_out_used
= 0;
1899 mutex_unlock(&codec
->spdif_mutex
);
1904 * set up more restrictions for analog out
1906 int snd_hda_multi_out_analog_open(struct hda_codec
*codec
, struct hda_multi_out
*mout
,
1907 struct snd_pcm_substream
*substream
)
1909 substream
->runtime
->hw
.channels_max
= mout
->max_channels
;
1910 return snd_pcm_hw_constraint_step(substream
->runtime
, 0,
1911 SNDRV_PCM_HW_PARAM_CHANNELS
, 2);
1915 * set up the i/o for analog out
1916 * when the digital out is available, copy the front out to digital out, too.
1918 int snd_hda_multi_out_analog_prepare(struct hda_codec
*codec
, struct hda_multi_out
*mout
,
1919 unsigned int stream_tag
,
1920 unsigned int format
,
1921 struct snd_pcm_substream
*substream
)
1923 hda_nid_t
*nids
= mout
->dac_nids
;
1924 int chs
= substream
->runtime
->channels
;
1927 mutex_lock(&codec
->spdif_mutex
);
1928 if (mout
->dig_out_nid
&& mout
->dig_out_used
!= HDA_DIG_EXCLUSIVE
) {
1930 snd_hda_is_supported_format(codec
, mout
->dig_out_nid
, format
) &&
1931 ! (codec
->spdif_status
& IEC958_AES0_NONAUDIO
)) {
1932 mout
->dig_out_used
= HDA_DIG_ANALOG_DUP
;
1933 /* setup digital receiver */
1934 snd_hda_codec_setup_stream(codec
, mout
->dig_out_nid
,
1935 stream_tag
, 0, format
);
1937 mout
->dig_out_used
= 0;
1938 snd_hda_codec_setup_stream(codec
, mout
->dig_out_nid
, 0, 0, 0);
1941 mutex_unlock(&codec
->spdif_mutex
);
1944 snd_hda_codec_setup_stream(codec
, nids
[HDA_FRONT
], stream_tag
, 0, format
);
1946 /* headphone out will just decode front left/right (stereo) */
1947 snd_hda_codec_setup_stream(codec
, mout
->hp_nid
, stream_tag
, 0, format
);
1948 /* extra outputs copied from front */
1949 for (i
= 0; i
< ARRAY_SIZE(mout
->extra_out_nid
); i
++)
1950 if (mout
->extra_out_nid
[i
])
1951 snd_hda_codec_setup_stream(codec
,
1952 mout
->extra_out_nid
[i
],
1953 stream_tag
, 0, format
);
1956 for (i
= 1; i
< mout
->num_dacs
; i
++) {
1957 if (chs
>= (i
+ 1) * 2) /* independent out */
1958 snd_hda_codec_setup_stream(codec
, nids
[i
], stream_tag
, i
* 2,
1960 else /* copy front */
1961 snd_hda_codec_setup_stream(codec
, nids
[i
], stream_tag
, 0,
1968 * clean up the setting for analog out
1970 int snd_hda_multi_out_analog_cleanup(struct hda_codec
*codec
, struct hda_multi_out
*mout
)
1972 hda_nid_t
*nids
= mout
->dac_nids
;
1975 for (i
= 0; i
< mout
->num_dacs
; i
++)
1976 snd_hda_codec_setup_stream(codec
, nids
[i
], 0, 0, 0);
1978 snd_hda_codec_setup_stream(codec
, mout
->hp_nid
, 0, 0, 0);
1979 for (i
= 0; i
< ARRAY_SIZE(mout
->extra_out_nid
); i
++)
1980 if (mout
->extra_out_nid
[i
])
1981 snd_hda_codec_setup_stream(codec
,
1982 mout
->extra_out_nid
[i
],
1984 mutex_lock(&codec
->spdif_mutex
);
1985 if (mout
->dig_out_nid
&& mout
->dig_out_used
== HDA_DIG_ANALOG_DUP
) {
1986 snd_hda_codec_setup_stream(codec
, mout
->dig_out_nid
, 0, 0, 0);
1987 mout
->dig_out_used
= 0;
1989 mutex_unlock(&codec
->spdif_mutex
);
1994 * Helper for automatic ping configuration
1997 static int is_in_nid_list(hda_nid_t nid
, hda_nid_t
*list
)
1999 for (; *list
; list
++)
2006 * Parse all pin widgets and store the useful pin nids to cfg
2008 * The number of line-outs or any primary output is stored in line_outs,
2009 * and the corresponding output pins are assigned to line_out_pins[],
2010 * in the order of front, rear, CLFE, side, ...
2012 * If more extra outputs (speaker and headphone) are found, the pins are
2013 * assisnged to hp_pin and speaker_pins[], respectively. If no line-out jack
2014 * is detected, one of speaker of HP pins is assigned as the primary
2015 * output, i.e. to line_out_pins[0]. So, line_outs is always positive
2016 * if any analog output exists.
2018 * The analog input pins are assigned to input_pins array.
2019 * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
2022 int snd_hda_parse_pin_def_config(struct hda_codec
*codec
, struct auto_pin_cfg
*cfg
,
2023 hda_nid_t
*ignore_nids
)
2025 hda_nid_t nid
, nid_start
;
2027 short seq
, assoc_line_out
, sequences
[ARRAY_SIZE(cfg
->line_out_pins
)];
2029 memset(cfg
, 0, sizeof(*cfg
));
2031 memset(sequences
, 0, sizeof(sequences
));
2034 nodes
= snd_hda_get_sub_nodes(codec
, codec
->afg
, &nid_start
);
2035 for (nid
= nid_start
; nid
< nodes
+ nid_start
; nid
++) {
2036 unsigned int wid_caps
= get_wcaps(codec
, nid
);
2037 unsigned int wid_type
= (wid_caps
& AC_WCAP_TYPE
) >> AC_WCAP_TYPE_SHIFT
;
2038 unsigned int def_conf
;
2041 /* read all default configuration for pin complex */
2042 if (wid_type
!= AC_WID_PIN
)
2044 /* ignore the given nids (e.g. pc-beep returns error) */
2045 if (ignore_nids
&& is_in_nid_list(nid
, ignore_nids
))
2048 def_conf
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_CONFIG_DEFAULT
, 0);
2049 if (get_defcfg_connect(def_conf
) == AC_JACK_PORT_NONE
)
2051 loc
= get_defcfg_location(def_conf
);
2052 switch (get_defcfg_device(def_conf
)) {
2053 case AC_JACK_LINE_OUT
:
2054 seq
= get_defcfg_sequence(def_conf
);
2055 assoc
= get_defcfg_association(def_conf
);
2058 if (! assoc_line_out
)
2059 assoc_line_out
= assoc
;
2060 else if (assoc_line_out
!= assoc
)
2062 if (cfg
->line_outs
>= ARRAY_SIZE(cfg
->line_out_pins
))
2064 cfg
->line_out_pins
[cfg
->line_outs
] = nid
;
2065 sequences
[cfg
->line_outs
] = seq
;
2068 case AC_JACK_SPEAKER
:
2069 if (cfg
->speaker_outs
>= ARRAY_SIZE(cfg
->speaker_pins
))
2071 cfg
->speaker_pins
[cfg
->speaker_outs
] = nid
;
2072 cfg
->speaker_outs
++;
2074 case AC_JACK_HP_OUT
:
2077 case AC_JACK_MIC_IN
:
2078 if (loc
== AC_JACK_LOC_FRONT
)
2079 cfg
->input_pins
[AUTO_PIN_FRONT_MIC
] = nid
;
2081 cfg
->input_pins
[AUTO_PIN_MIC
] = nid
;
2083 case AC_JACK_LINE_IN
:
2084 if (loc
== AC_JACK_LOC_FRONT
)
2085 cfg
->input_pins
[AUTO_PIN_FRONT_LINE
] = nid
;
2087 cfg
->input_pins
[AUTO_PIN_LINE
] = nid
;
2090 cfg
->input_pins
[AUTO_PIN_CD
] = nid
;
2093 cfg
->input_pins
[AUTO_PIN_AUX
] = nid
;
2095 case AC_JACK_SPDIF_OUT
:
2096 cfg
->dig_out_pin
= nid
;
2098 case AC_JACK_SPDIF_IN
:
2099 cfg
->dig_in_pin
= nid
;
2104 /* sort by sequence */
2105 for (i
= 0; i
< cfg
->line_outs
; i
++)
2106 for (j
= i
+ 1; j
< cfg
->line_outs
; j
++)
2107 if (sequences
[i
] > sequences
[j
]) {
2109 sequences
[i
] = sequences
[j
];
2111 nid
= cfg
->line_out_pins
[i
];
2112 cfg
->line_out_pins
[i
] = cfg
->line_out_pins
[j
];
2113 cfg
->line_out_pins
[j
] = nid
;
2116 /* Reorder the surround channels
2117 * ALSA sequence is front/surr/clfe/side
2119 * 4-ch: front/surr => OK as it is
2120 * 6-ch: front/clfe/surr
2121 * 8-ch: front/clfe/side/surr
2123 switch (cfg
->line_outs
) {
2125 nid
= cfg
->line_out_pins
[1];
2126 cfg
->line_out_pins
[1] = cfg
->line_out_pins
[2];
2127 cfg
->line_out_pins
[2] = nid
;
2130 nid
= cfg
->line_out_pins
[1];
2131 cfg
->line_out_pins
[1] = cfg
->line_out_pins
[3];
2132 cfg
->line_out_pins
[3] = cfg
->line_out_pins
[2];
2133 cfg
->line_out_pins
[2] = nid
;
2138 * debug prints of the parsed results
2140 snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2141 cfg
->line_outs
, cfg
->line_out_pins
[0], cfg
->line_out_pins
[1],
2142 cfg
->line_out_pins
[2], cfg
->line_out_pins
[3],
2143 cfg
->line_out_pins
[4]);
2144 snd_printd(" speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2145 cfg
->speaker_outs
, cfg
->speaker_pins
[0],
2146 cfg
->speaker_pins
[1], cfg
->speaker_pins
[2],
2147 cfg
->speaker_pins
[3], cfg
->speaker_pins
[4]);
2148 snd_printd(" hp=0x%x, dig_out=0x%x, din_in=0x%x\n",
2149 cfg
->hp_pin
, cfg
->dig_out_pin
, cfg
->dig_in_pin
);
2150 snd_printd(" inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
2151 " cd=0x%x, aux=0x%x\n",
2152 cfg
->input_pins
[AUTO_PIN_MIC
],
2153 cfg
->input_pins
[AUTO_PIN_FRONT_MIC
],
2154 cfg
->input_pins
[AUTO_PIN_LINE
],
2155 cfg
->input_pins
[AUTO_PIN_FRONT_LINE
],
2156 cfg
->input_pins
[AUTO_PIN_CD
],
2157 cfg
->input_pins
[AUTO_PIN_AUX
]);
2160 * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
2161 * as a primary output
2163 if (! cfg
->line_outs
) {
2164 if (cfg
->speaker_outs
) {
2165 cfg
->line_outs
= cfg
->speaker_outs
;
2166 memcpy(cfg
->line_out_pins
, cfg
->speaker_pins
,
2167 sizeof(cfg
->speaker_pins
));
2168 cfg
->speaker_outs
= 0;
2169 memset(cfg
->speaker_pins
, 0, sizeof(cfg
->speaker_pins
));
2170 } else if (cfg
->hp_pin
) {
2172 cfg
->line_out_pins
[0] = cfg
->hp_pin
;
2180 /* labels for input pins */
2181 const char *auto_pin_cfg_labels
[AUTO_PIN_LAST
] = {
2182 "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
2192 * snd_hda_suspend - suspend the codecs
2194 * @state: suspsend state
2196 * Returns 0 if successful.
2198 int snd_hda_suspend(struct hda_bus
*bus
, pm_message_t state
)
2200 struct list_head
*p
;
2202 /* FIXME: should handle power widget capabilities */
2203 list_for_each(p
, &bus
->codec_list
) {
2204 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
2205 if (codec
->patch_ops
.suspend
)
2206 codec
->patch_ops
.suspend(codec
, state
);
2207 hda_set_power_state(codec
,
2208 codec
->afg
? codec
->afg
: codec
->mfg
,
2214 EXPORT_SYMBOL(snd_hda_suspend
);
2217 * snd_hda_resume - resume the codecs
2219 * @state: resume state
2221 * Returns 0 if successful.
2223 int snd_hda_resume(struct hda_bus
*bus
)
2225 struct list_head
*p
;
2227 list_for_each(p
, &bus
->codec_list
) {
2228 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
2229 hda_set_power_state(codec
,
2230 codec
->afg
? codec
->afg
: codec
->mfg
,
2232 if (codec
->patch_ops
.resume
)
2233 codec
->patch_ops
.resume(codec
);
2238 EXPORT_SYMBOL(snd_hda_resume
);
2241 * snd_hda_resume_ctls - resume controls in the new control list
2242 * @codec: the HDA codec
2243 * @knew: the array of struct snd_kcontrol_new
2245 * This function resumes the mixer controls in the struct snd_kcontrol_new array,
2246 * originally for snd_hda_add_new_ctls().
2247 * The array must be terminated with an empty entry as terminator.
2249 int snd_hda_resume_ctls(struct hda_codec
*codec
, struct snd_kcontrol_new
*knew
)
2251 struct snd_ctl_elem_value
*val
;
2253 val
= kmalloc(sizeof(*val
), GFP_KERNEL
);
2256 codec
->in_resume
= 1;
2257 for (; knew
->name
; knew
++) {
2259 count
= knew
->count
? knew
->count
: 1;
2260 for (i
= 0; i
< count
; i
++) {
2261 memset(val
, 0, sizeof(*val
));
2262 val
->id
.iface
= knew
->iface
;
2263 val
->id
.device
= knew
->device
;
2264 val
->id
.subdevice
= knew
->subdevice
;
2265 strcpy(val
->id
.name
, knew
->name
);
2266 val
->id
.index
= knew
->index
? knew
->index
: i
;
2267 /* Assume that get callback reads only from cache,
2268 * not accessing to the real hardware
2270 if (snd_ctl_elem_read(codec
->bus
->card
, val
) < 0)
2272 snd_ctl_elem_write(codec
->bus
->card
, NULL
, val
);
2275 codec
->in_resume
= 0;
2281 * snd_hda_resume_spdif_out - resume the digital out
2282 * @codec: the HDA codec
2284 int snd_hda_resume_spdif_out(struct hda_codec
*codec
)
2286 return snd_hda_resume_ctls(codec
, dig_mixes
);
2290 * snd_hda_resume_spdif_in - resume the digital in
2291 * @codec: the HDA codec
2293 int snd_hda_resume_spdif_in(struct hda_codec
*codec
)
2295 return snd_hda_resume_ctls(codec
, dig_in_ctls
);
2303 static int __init
alsa_hda_init(void)
2308 static void __exit
alsa_hda_exit(void)
2312 module_init(alsa_hda_init
)
2313 module_exit(alsa_hda_exit
)