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 { 0x13f6, "C-Media" },
53 { 0x434d, "C-Media" },
54 { 0x8384, "SigmaTel" },
59 #include "hda_patch.h"
63 * snd_hda_codec_read - send a command and get the response
64 * @codec: the HDA codec
65 * @nid: NID to send the command
66 * @direct: direct flag
67 * @verb: the verb to send
68 * @parm: the parameter for the verb
70 * Send a single command and read the corresponding response.
72 * Returns the obtained response value, or -1 for an error.
74 unsigned int snd_hda_codec_read(struct hda_codec
*codec
, hda_nid_t nid
, int direct
,
75 unsigned int verb
, unsigned int parm
)
78 down(&codec
->bus
->cmd_mutex
);
79 if (! codec
->bus
->ops
.command(codec
, nid
, direct
, verb
, parm
))
80 res
= codec
->bus
->ops
.get_response(codec
);
82 res
= (unsigned int)-1;
83 up(&codec
->bus
->cmd_mutex
);
88 * snd_hda_codec_write - send a single command without waiting for response
89 * @codec: the HDA codec
90 * @nid: NID to send the command
91 * @direct: direct flag
92 * @verb: the verb to send
93 * @parm: the parameter for the verb
95 * Send a single command without waiting for response.
97 * Returns 0 if successful, or a negative error code.
99 int snd_hda_codec_write(struct hda_codec
*codec
, hda_nid_t nid
, int direct
,
100 unsigned int verb
, unsigned int parm
)
103 down(&codec
->bus
->cmd_mutex
);
104 err
= codec
->bus
->ops
.command(codec
, nid
, direct
, verb
, parm
);
105 up(&codec
->bus
->cmd_mutex
);
110 * snd_hda_sequence_write - sequence writes
111 * @codec: the HDA codec
112 * @seq: VERB array to send
114 * Send the commands sequentially from the given array.
115 * The array must be terminated with NID=0.
117 void snd_hda_sequence_write(struct hda_codec
*codec
, const struct hda_verb
*seq
)
119 for (; seq
->nid
; seq
++)
120 snd_hda_codec_write(codec
, seq
->nid
, 0, seq
->verb
, seq
->param
);
124 * snd_hda_get_sub_nodes - get the range of sub nodes
125 * @codec: the HDA codec
127 * @start_id: the pointer to store the start NID
129 * Parse the NID and store the start NID of its sub-nodes.
130 * Returns the number of sub-nodes.
132 int snd_hda_get_sub_nodes(struct hda_codec
*codec
, hda_nid_t nid
, hda_nid_t
*start_id
)
136 parm
= snd_hda_param_read(codec
, nid
, AC_PAR_NODE_COUNT
);
137 *start_id
= (parm
>> 16) & 0x7fff;
138 return (int)(parm
& 0x7fff);
142 * snd_hda_get_connections - get connection list
143 * @codec: the HDA codec
145 * @conn_list: connection list array
146 * @max_conns: max. number of connections to store
148 * Parses the connection list of the given widget and stores the list
151 * Returns the number of connections, or a negative error code.
153 int snd_hda_get_connections(struct hda_codec
*codec
, hda_nid_t nid
,
154 hda_nid_t
*conn_list
, int max_conns
)
157 int i
, j
, conn_len
, num_tupples
, conns
;
158 unsigned int shift
, num_elems
, mask
;
160 snd_assert(conn_list
&& max_conns
> 0, return -EINVAL
);
162 parm
= snd_hda_param_read(codec
, nid
, AC_PAR_CONNLIST_LEN
);
163 if (parm
& AC_CLIST_LONG
) {
172 conn_len
= parm
& AC_CLIST_LENGTH
;
173 num_tupples
= num_elems
/ 2;
174 mask
= (1 << (shift
-1)) - 1;
177 return 0; /* no connection */
180 /* single connection */
181 parm
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_CONNECT_LIST
, 0);
182 conn_list
[0] = parm
& mask
;
186 /* multi connection */
188 for (i
= 0; i
< conn_len
; i
+= num_elems
) {
189 parm
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_CONNECT_LIST
, i
);
190 for (j
= 0; j
< num_tupples
; j
++) {
192 hda_nid_t val1
, val2
, n
;
193 range_val
= parm
& (1 << (shift
-1)); /* ranges */
199 /* ranges between val1 and val2 */
201 snd_printk(KERN_WARNING
"hda_codec: invalid dep_range_val %x:%x\n", val1
, val2
);
204 for (n
= val1
; n
<= val2
; n
++) {
205 if (conns
>= max_conns
)
207 conn_list
[conns
++] = n
;
212 if (conns
>= max_conns
)
214 conn_list
[conns
++] = val1
;
217 if (conns
>= max_conns
)
219 conn_list
[conns
++] = val2
;
228 * snd_hda_queue_unsol_event - add an unsolicited event to queue
230 * @res: unsolicited event (lower 32bit of RIRB entry)
231 * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
233 * Adds the given event to the queue. The events are processed in
234 * the workqueue asynchronously. Call this function in the interrupt
235 * hanlder when RIRB receives an unsolicited event.
237 * Returns 0 if successful, or a negative error code.
239 int snd_hda_queue_unsol_event(struct hda_bus
*bus
, u32 res
, u32 res_ex
)
241 struct hda_bus_unsolicited
*unsol
;
244 if ((unsol
= bus
->unsol
) == NULL
)
247 wp
= (unsol
->wp
+ 1) % HDA_UNSOL_QUEUE_SIZE
;
251 unsol
->queue
[wp
] = res
;
252 unsol
->queue
[wp
+ 1] = res_ex
;
254 queue_work(unsol
->workq
, &unsol
->work
);
260 * process queueud unsolicited events
262 static void process_unsol_events(void *data
)
264 struct hda_bus
*bus
= data
;
265 struct hda_bus_unsolicited
*unsol
= bus
->unsol
;
266 struct hda_codec
*codec
;
267 unsigned int rp
, caddr
, res
;
269 while (unsol
->rp
!= unsol
->wp
) {
270 rp
= (unsol
->rp
+ 1) % HDA_UNSOL_QUEUE_SIZE
;
273 res
= unsol
->queue
[rp
];
274 caddr
= unsol
->queue
[rp
+ 1];
275 if (! (caddr
& (1 << 4))) /* no unsolicited event? */
277 codec
= bus
->caddr_tbl
[caddr
& 0x0f];
278 if (codec
&& codec
->patch_ops
.unsol_event
)
279 codec
->patch_ops
.unsol_event(codec
, res
);
284 * initialize unsolicited queue
286 static int init_unsol_queue(struct hda_bus
*bus
)
288 struct hda_bus_unsolicited
*unsol
;
290 unsol
= kcalloc(1, sizeof(*unsol
), GFP_KERNEL
);
292 snd_printk(KERN_ERR
"hda_codec: can't allocate unsolicited queue\n");
295 unsol
->workq
= create_workqueue("hda_codec");
296 if (! unsol
->workq
) {
297 snd_printk(KERN_ERR
"hda_codec: can't create workqueue\n");
301 INIT_WORK(&unsol
->work
, process_unsol_events
, bus
);
309 static void snd_hda_codec_free(struct hda_codec
*codec
);
311 static int snd_hda_bus_free(struct hda_bus
*bus
)
313 struct list_head
*p
, *n
;
318 destroy_workqueue(bus
->unsol
->workq
);
321 list_for_each_safe(p
, n
, &bus
->codec_list
) {
322 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
323 snd_hda_codec_free(codec
);
325 if (bus
->ops
.private_free
)
326 bus
->ops
.private_free(bus
);
331 static int snd_hda_bus_dev_free(snd_device_t
*device
)
333 struct hda_bus
*bus
= device
->device_data
;
334 return snd_hda_bus_free(bus
);
338 * snd_hda_bus_new - create a HDA bus
339 * @card: the card entry
340 * @temp: the template for hda_bus information
341 * @busp: the pointer to store the created bus instance
343 * Returns 0 if successful, or a negative error code.
345 int snd_hda_bus_new(snd_card_t
*card
, const struct hda_bus_template
*temp
,
346 struct hda_bus
**busp
)
350 static snd_device_ops_t dev_ops
= {
351 .dev_free
= snd_hda_bus_dev_free
,
354 snd_assert(temp
, return -EINVAL
);
355 snd_assert(temp
->ops
.command
&& temp
->ops
.get_response
, return -EINVAL
);
360 bus
= kcalloc(1, sizeof(*bus
), GFP_KERNEL
);
362 snd_printk(KERN_ERR
"can't allocate struct hda_bus\n");
367 bus
->private_data
= temp
->private_data
;
368 bus
->pci
= temp
->pci
;
369 bus
->modelname
= temp
->modelname
;
370 bus
->ops
= temp
->ops
;
372 init_MUTEX(&bus
->cmd_mutex
);
373 INIT_LIST_HEAD(&bus
->codec_list
);
375 init_unsol_queue(bus
);
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 node
436 * return 0 if not found
438 static int look_for_afg_node(struct hda_codec
*codec
)
443 total_nodes
= snd_hda_get_sub_nodes(codec
, AC_NODE_ROOT
, &nid
);
444 for (i
= 0; i
< total_nodes
; i
++, nid
++) {
445 if ((snd_hda_param_read(codec
, nid
, AC_PAR_FUNCTION_TYPE
) & 0xff) ==
446 AC_GRP_AUDIO_FUNCTION
)
455 static void snd_hda_codec_free(struct hda_codec
*codec
)
459 list_del(&codec
->list
);
460 codec
->bus
->caddr_tbl
[codec
->addr
] = NULL
;
461 if (codec
->patch_ops
.free
)
462 codec
->patch_ops
.free(codec
);
466 static void init_amp_hash(struct hda_codec
*codec
);
469 * snd_hda_codec_new - create a HDA codec
470 * @bus: the bus to assign
471 * @codec_addr: the codec address
472 * @codecp: the pointer to store the generated codec
474 * Returns 0 if successful, or a negative error code.
476 int snd_hda_codec_new(struct hda_bus
*bus
, unsigned int codec_addr
,
477 struct hda_codec
**codecp
)
479 struct hda_codec
*codec
;
483 snd_assert(bus
, return -EINVAL
);
484 snd_assert(codec_addr
<= HDA_MAX_CODEC_ADDRESS
, return -EINVAL
);
486 if (bus
->caddr_tbl
[codec_addr
]) {
487 snd_printk(KERN_ERR
"hda_codec: address 0x%x is already occupied\n", codec_addr
);
491 codec
= kcalloc(1, sizeof(*codec
), GFP_KERNEL
);
493 snd_printk(KERN_ERR
"can't allocate struct hda_codec\n");
498 codec
->addr
= codec_addr
;
499 init_MUTEX(&codec
->spdif_mutex
);
500 init_amp_hash(codec
);
502 list_add_tail(&codec
->list
, &bus
->codec_list
);
503 bus
->caddr_tbl
[codec_addr
] = codec
;
505 codec
->vendor_id
= snd_hda_param_read(codec
, AC_NODE_ROOT
, AC_PAR_VENDOR_ID
);
506 codec
->subsystem_id
= snd_hda_param_read(codec
, AC_NODE_ROOT
, AC_PAR_SUBSYSTEM_ID
);
507 codec
->revision_id
= snd_hda_param_read(codec
, AC_NODE_ROOT
, AC_PAR_REV_ID
);
509 /* FIXME: support for multiple AFGs? */
510 codec
->afg
= look_for_afg_node(codec
);
512 snd_printk(KERN_ERR
"hda_codec: no AFG node found\n");
513 snd_hda_codec_free(codec
);
517 codec
->preset
= find_codec_preset(codec
);
518 if (! *bus
->card
->mixername
)
519 snd_hda_get_codec_name(codec
, bus
->card
->mixername
,
520 sizeof(bus
->card
->mixername
));
522 if (codec
->preset
&& codec
->preset
->patch
)
523 err
= codec
->preset
->patch(codec
);
525 err
= snd_hda_parse_generic_codec(codec
);
527 snd_hda_codec_free(codec
);
531 snd_hda_codec_proc_new(codec
);
533 sprintf(component
, "HDA:%08x", codec
->vendor_id
);
534 snd_component_add(codec
->bus
->card
, component
);
542 * snd_hda_codec_setup_stream - set up the codec for streaming
543 * @codec: the CODEC to set up
544 * @nid: the NID to set up
545 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
546 * @channel_id: channel id to pass, zero based.
547 * @format: stream format.
549 void snd_hda_codec_setup_stream(struct hda_codec
*codec
, hda_nid_t nid
, u32 stream_tag
,
550 int channel_id
, int format
)
555 snd_printdd("hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
556 nid
, stream_tag
, channel_id
, format
);
557 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_CHANNEL_STREAMID
,
558 (stream_tag
<< 4) | channel_id
);
560 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_STREAM_FORMAT
, format
);
565 * amp access functions
568 #define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + (idx) * 32 + (dir) * 64)
569 #define INFO_AMP_CAPS (1<<0)
570 #define INFO_AMP_VOL (1<<1)
572 /* initialize the hash table */
573 static void init_amp_hash(struct hda_codec
*codec
)
575 memset(codec
->amp_hash
, 0xff, sizeof(codec
->amp_hash
));
576 codec
->num_amp_entries
= 0;
579 /* query the hash. allocate an entry if not found. */
580 static struct hda_amp_info
*get_alloc_amp_hash(struct hda_codec
*codec
, u32 key
)
582 u16 idx
= key
% (u16
)ARRAY_SIZE(codec
->amp_hash
);
583 u16 cur
= codec
->amp_hash
[idx
];
584 struct hda_amp_info
*info
;
586 while (cur
!= 0xffff) {
587 info
= &codec
->amp_info
[cur
];
588 if (info
->key
== key
)
593 /* add a new hash entry */
594 if (codec
->num_amp_entries
>= ARRAY_SIZE(codec
->amp_info
)) {
595 snd_printk(KERN_ERR
"hda_codec: Tooooo many amps!\n");
598 cur
= codec
->num_amp_entries
++;
599 info
= &codec
->amp_info
[cur
];
601 info
->status
= 0; /* not initialized yet */
602 info
->next
= codec
->amp_hash
[idx
];
603 codec
->amp_hash
[idx
] = cur
;
609 * query AMP capabilities for the given widget and direction
611 static u32
query_amp_caps(struct hda_codec
*codec
, hda_nid_t nid
, int direction
)
613 struct hda_amp_info
*info
= get_alloc_amp_hash(codec
, HDA_HASH_KEY(nid
, direction
, 0));
617 if (! (info
->status
& INFO_AMP_CAPS
)) {
618 if (!(snd_hda_param_read(codec
, nid
, AC_PAR_AUDIO_WIDGET_CAP
) & AC_WCAP_AMP_OVRD
))
620 info
->amp_caps
= snd_hda_param_read(codec
, nid
, direction
== HDA_OUTPUT
?
621 AC_PAR_AMP_OUT_CAP
: AC_PAR_AMP_IN_CAP
);
622 info
->status
|= INFO_AMP_CAPS
;
624 return info
->amp_caps
;
628 * read the current volume to info
629 * if the cache exists, read from the cache.
631 static void get_vol_mute(struct hda_codec
*codec
, struct hda_amp_info
*info
,
632 hda_nid_t nid
, int ch
, int direction
, int index
)
636 if (info
->status
& (INFO_AMP_VOL
<< ch
))
639 parm
= ch
? AC_AMP_GET_RIGHT
: AC_AMP_GET_LEFT
;
640 parm
|= direction
== HDA_OUTPUT
? AC_AMP_GET_OUTPUT
: AC_AMP_GET_INPUT
;
642 val
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_AMP_GAIN_MUTE
, parm
);
643 info
->vol
[ch
] = val
& 0xff;
644 info
->status
|= INFO_AMP_VOL
<< ch
;
648 * write the current volume in info to the h/w
650 static void put_vol_mute(struct hda_codec
*codec
,
651 hda_nid_t nid
, int ch
, int direction
, int index
, int val
)
655 parm
= ch
? AC_AMP_SET_RIGHT
: AC_AMP_SET_LEFT
;
656 parm
|= direction
== HDA_OUTPUT
? AC_AMP_SET_OUTPUT
: AC_AMP_SET_INPUT
;
657 parm
|= index
<< AC_AMP_SET_INDEX_SHIFT
;
659 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_AMP_GAIN_MUTE
, parm
);
663 * read/write AMP value. The volume is between 0 to 0x7f, 0x80 = mute bit.
665 int snd_hda_codec_amp_read(struct hda_codec
*codec
, hda_nid_t nid
, int ch
, int direction
, int index
)
667 struct hda_amp_info
*info
= get_alloc_amp_hash(codec
, HDA_HASH_KEY(nid
, direction
, index
));
670 get_vol_mute(codec
, info
, nid
, ch
, direction
, index
);
671 return info
->vol
[ch
];
674 int snd_hda_codec_amp_write(struct hda_codec
*codec
, hda_nid_t nid
, int ch
, int direction
, int idx
, int val
)
676 struct hda_amp_info
*info
= get_alloc_amp_hash(codec
, HDA_HASH_KEY(nid
, direction
, idx
));
679 get_vol_mute(codec
, info
, nid
, ch
, direction
, idx
);
680 if (info
->vol
[ch
] == val
&& ! codec
->in_resume
)
682 put_vol_mute(codec
, nid
, ch
, direction
, idx
, val
);
689 * AMP control callbacks
691 /* retrieve parameters from private_value */
692 #define get_amp_nid(kc) ((kc)->private_value & 0xffff)
693 #define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3)
694 #define get_amp_direction(kc) (((kc)->private_value >> 18) & 0x1)
695 #define get_amp_index(kc) (((kc)->private_value >> 19) & 0xf)
698 int snd_hda_mixer_amp_volume_info(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_info_t
*uinfo
)
700 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
701 u16 nid
= get_amp_nid(kcontrol
);
702 u8 chs
= get_amp_channels(kcontrol
);
703 int dir
= get_amp_direction(kcontrol
);
706 caps
= query_amp_caps(codec
, nid
, dir
);
707 caps
= (caps
& AC_AMPCAP_NUM_STEPS
) >> AC_AMPCAP_NUM_STEPS_SHIFT
; /* num steps */
709 printk(KERN_WARNING
"hda_codec: num_steps = 0 for NID=0x%x\n", nid
);
712 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_INTEGER
;
713 uinfo
->count
= chs
== 3 ? 2 : 1;
714 uinfo
->value
.integer
.min
= 0;
715 uinfo
->value
.integer
.max
= caps
;
719 int snd_hda_mixer_amp_volume_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
721 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
722 hda_nid_t nid
= get_amp_nid(kcontrol
);
723 int chs
= get_amp_channels(kcontrol
);
724 int dir
= get_amp_direction(kcontrol
);
725 int idx
= get_amp_index(kcontrol
);
726 long *valp
= ucontrol
->value
.integer
.value
;
729 *valp
++ = snd_hda_codec_amp_read(codec
, nid
, 0, dir
, idx
) & 0x7f;
731 *valp
= snd_hda_codec_amp_read(codec
, nid
, 1, dir
, idx
) & 0x7f;
735 int snd_hda_mixer_amp_volume_put(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
737 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
738 hda_nid_t nid
= get_amp_nid(kcontrol
);
739 int chs
= get_amp_channels(kcontrol
);
740 int dir
= get_amp_direction(kcontrol
);
741 int idx
= get_amp_index(kcontrol
);
743 long *valp
= ucontrol
->value
.integer
.value
;
748 val
|= snd_hda_codec_amp_read(codec
, nid
, 0, dir
, idx
) & 0x80;
749 change
= snd_hda_codec_amp_write(codec
, nid
, 0, dir
, idx
, val
);
754 val
|= snd_hda_codec_amp_read(codec
, nid
, 1, dir
, idx
) & 0x80;
755 change
|= snd_hda_codec_amp_write(codec
, nid
, 1, dir
, idx
, val
);
761 int snd_hda_mixer_amp_switch_info(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_info_t
*uinfo
)
763 int chs
= get_amp_channels(kcontrol
);
765 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_BOOLEAN
;
766 uinfo
->count
= chs
== 3 ? 2 : 1;
767 uinfo
->value
.integer
.min
= 0;
768 uinfo
->value
.integer
.max
= 1;
772 int snd_hda_mixer_amp_switch_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
774 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
775 hda_nid_t nid
= get_amp_nid(kcontrol
);
776 int chs
= get_amp_channels(kcontrol
);
777 int dir
= get_amp_direction(kcontrol
);
778 int idx
= get_amp_index(kcontrol
);
779 long *valp
= ucontrol
->value
.integer
.value
;
782 *valp
++ = (snd_hda_codec_amp_read(codec
, nid
, 0, dir
, idx
) & 0x80) ? 0 : 1;
784 *valp
= (snd_hda_codec_amp_read(codec
, nid
, 1, dir
, idx
) & 0x80) ? 0 : 1;
788 int snd_hda_mixer_amp_switch_put(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
790 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
791 hda_nid_t nid
= get_amp_nid(kcontrol
);
792 int chs
= get_amp_channels(kcontrol
);
793 int dir
= get_amp_direction(kcontrol
);
794 int idx
= get_amp_index(kcontrol
);
796 long *valp
= ucontrol
->value
.integer
.value
;
800 val
= snd_hda_codec_amp_read(codec
, nid
, 0, dir
, idx
) & 0x7f;
801 val
|= *valp
? 0 : 0x80;
802 change
= snd_hda_codec_amp_write(codec
, nid
, 0, dir
, idx
, val
);
806 val
= snd_hda_codec_amp_read(codec
, nid
, 1, dir
, idx
) & 0x7f;
807 val
|= *valp
? 0 : 0x80;
808 change
= snd_hda_codec_amp_write(codec
, nid
, 1, dir
, idx
, val
);
817 static int snd_hda_spdif_mask_info(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_info_t
*uinfo
)
819 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_IEC958
;
824 static int snd_hda_spdif_cmask_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
826 ucontrol
->value
.iec958
.status
[0] = IEC958_AES0_PROFESSIONAL
|
827 IEC958_AES0_NONAUDIO
|
828 IEC958_AES0_CON_EMPHASIS_5015
|
829 IEC958_AES0_CON_NOT_COPYRIGHT
;
830 ucontrol
->value
.iec958
.status
[1] = IEC958_AES1_CON_CATEGORY
|
831 IEC958_AES1_CON_ORIGINAL
;
835 static int snd_hda_spdif_pmask_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
837 ucontrol
->value
.iec958
.status
[0] = IEC958_AES0_PROFESSIONAL
|
838 IEC958_AES0_NONAUDIO
|
839 IEC958_AES0_PRO_EMPHASIS_5015
;
843 static int snd_hda_spdif_default_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
845 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
847 ucontrol
->value
.iec958
.status
[0] = codec
->spdif_status
& 0xff;
848 ucontrol
->value
.iec958
.status
[1] = (codec
->spdif_status
>> 8) & 0xff;
849 ucontrol
->value
.iec958
.status
[2] = (codec
->spdif_status
>> 16) & 0xff;
850 ucontrol
->value
.iec958
.status
[3] = (codec
->spdif_status
>> 24) & 0xff;
855 /* convert from SPDIF status bits to HDA SPDIF bits
856 * bit 0 (DigEn) is always set zero (to be filled later)
858 static unsigned short convert_from_spdif_status(unsigned int sbits
)
860 unsigned short val
= 0;
862 if (sbits
& IEC958_AES0_PROFESSIONAL
)
864 if (sbits
& IEC958_AES0_NONAUDIO
)
866 if (sbits
& IEC958_AES0_PROFESSIONAL
) {
867 if ((sbits
& IEC958_AES0_PRO_EMPHASIS
) == IEC958_AES0_PRO_EMPHASIS_5015
)
870 if ((sbits
& IEC958_AES0_CON_EMPHASIS
) == IEC958_AES0_CON_EMPHASIS_5015
)
872 if (! (sbits
& IEC958_AES0_CON_NOT_COPYRIGHT
))
874 if (sbits
& (IEC958_AES1_CON_ORIGINAL
<< 8))
876 val
|= sbits
& (IEC958_AES1_CON_CATEGORY
<< 8);
881 /* convert to SPDIF status bits from HDA SPDIF bits
883 static unsigned int convert_to_spdif_status(unsigned short val
)
885 unsigned int sbits
= 0;
888 sbits
|= IEC958_AES0_NONAUDIO
;
890 sbits
|= IEC958_AES0_PROFESSIONAL
;
891 if (sbits
& IEC958_AES0_PROFESSIONAL
) {
892 if (sbits
& (1 << 3))
893 sbits
|= IEC958_AES0_PRO_EMPHASIS_5015
;
896 sbits
|= IEC958_AES0_CON_EMPHASIS_5015
;
897 if (! (val
& (1 << 4)))
898 sbits
|= IEC958_AES0_CON_NOT_COPYRIGHT
;
900 sbits
|= (IEC958_AES1_CON_ORIGINAL
<< 8);
901 sbits
|= val
& (0x7f << 8);
906 static int snd_hda_spdif_default_put(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
908 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
909 hda_nid_t nid
= kcontrol
->private_value
;
913 down(&codec
->spdif_mutex
);
914 codec
->spdif_status
= ucontrol
->value
.iec958
.status
[0] |
915 ((unsigned int)ucontrol
->value
.iec958
.status
[1] << 8) |
916 ((unsigned int)ucontrol
->value
.iec958
.status
[2] << 16) |
917 ((unsigned int)ucontrol
->value
.iec958
.status
[3] << 24);
918 val
= convert_from_spdif_status(codec
->spdif_status
);
919 val
|= codec
->spdif_ctls
& 1;
920 change
= codec
->spdif_ctls
!= val
;
921 codec
->spdif_ctls
= val
;
923 if (change
|| codec
->in_resume
) {
924 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_DIGI_CONVERT_1
, val
& 0xff);
925 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_DIGI_CONVERT_2
, val
>> 8);
928 up(&codec
->spdif_mutex
);
932 static int snd_hda_spdif_out_switch_info(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_info_t
*uinfo
)
934 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_BOOLEAN
;
936 uinfo
->value
.integer
.min
= 0;
937 uinfo
->value
.integer
.max
= 1;
941 static int snd_hda_spdif_out_switch_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
943 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
945 ucontrol
->value
.integer
.value
[0] = codec
->spdif_ctls
& 1;
949 static int snd_hda_spdif_out_switch_put(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
951 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
952 hda_nid_t nid
= kcontrol
->private_value
;
956 down(&codec
->spdif_mutex
);
957 val
= codec
->spdif_ctls
& ~1;
958 if (ucontrol
->value
.integer
.value
[0])
960 change
= codec
->spdif_ctls
!= val
;
961 if (change
|| codec
->in_resume
) {
962 codec
->spdif_ctls
= val
;
963 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_DIGI_CONVERT_1
, val
& 0xff);
964 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_AMP_GAIN_MUTE
,
965 AC_AMP_SET_RIGHT
| AC_AMP_SET_LEFT
|
966 AC_AMP_SET_OUTPUT
| ((val
& 1) ? 0 : 0x80));
968 up(&codec
->spdif_mutex
);
972 static snd_kcontrol_new_t dig_mixes
[] = {
974 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
975 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
976 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,CON_MASK
),
977 .info
= snd_hda_spdif_mask_info
,
978 .get
= snd_hda_spdif_cmask_get
,
981 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
982 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
983 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,PRO_MASK
),
984 .info
= snd_hda_spdif_mask_info
,
985 .get
= snd_hda_spdif_pmask_get
,
988 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
989 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,DEFAULT
),
990 .info
= snd_hda_spdif_mask_info
,
991 .get
= snd_hda_spdif_default_get
,
992 .put
= snd_hda_spdif_default_put
,
995 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
996 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,SWITCH
),
997 .info
= snd_hda_spdif_out_switch_info
,
998 .get
= snd_hda_spdif_out_switch_get
,
999 .put
= snd_hda_spdif_out_switch_put
,
1005 * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1006 * @codec: the HDA codec
1007 * @nid: audio out widget NID
1009 * Creates controls related with the SPDIF output.
1010 * Called from each patch supporting the SPDIF out.
1012 * Returns 0 if successful, or a negative error code.
1014 int snd_hda_create_spdif_out_ctls(struct hda_codec
*codec
, hda_nid_t nid
)
1017 snd_kcontrol_t
*kctl
;
1018 snd_kcontrol_new_t
*dig_mix
;
1020 for (dig_mix
= dig_mixes
; dig_mix
->name
; dig_mix
++) {
1021 kctl
= snd_ctl_new1(dig_mix
, codec
);
1022 kctl
->private_value
= nid
;
1023 if ((err
= snd_ctl_add(codec
->bus
->card
, kctl
)) < 0)
1026 codec
->spdif_ctls
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_DIGI_CONVERT
, 0);
1027 codec
->spdif_status
= convert_to_spdif_status(codec
->spdif_ctls
);
1035 #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
1037 static int snd_hda_spdif_in_switch_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
1039 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1041 ucontrol
->value
.integer
.value
[0] = codec
->spdif_in_enable
;
1045 static int snd_hda_spdif_in_switch_put(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
1047 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1048 hda_nid_t nid
= kcontrol
->private_value
;
1049 unsigned int val
= !!ucontrol
->value
.integer
.value
[0];
1052 down(&codec
->spdif_mutex
);
1053 change
= codec
->spdif_in_enable
!= val
;
1054 if (change
|| codec
->in_resume
) {
1055 codec
->spdif_in_enable
= val
;
1056 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_DIGI_CONVERT_1
, val
);
1058 up(&codec
->spdif_mutex
);
1062 static int snd_hda_spdif_in_status_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
1064 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1065 hda_nid_t nid
= kcontrol
->private_value
;
1069 val
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_DIGI_CONVERT
, 0);
1070 sbits
= convert_to_spdif_status(val
);
1071 ucontrol
->value
.iec958
.status
[0] = sbits
;
1072 ucontrol
->value
.iec958
.status
[1] = sbits
>> 8;
1073 ucontrol
->value
.iec958
.status
[2] = sbits
>> 16;
1074 ucontrol
->value
.iec958
.status
[3] = sbits
>> 24;
1078 static snd_kcontrol_new_t dig_in_ctls
[] = {
1080 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1081 .name
= SNDRV_CTL_NAME_IEC958("",CAPTURE
,SWITCH
),
1082 .info
= snd_hda_spdif_in_switch_info
,
1083 .get
= snd_hda_spdif_in_switch_get
,
1084 .put
= snd_hda_spdif_in_switch_put
,
1087 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
1088 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1089 .name
= SNDRV_CTL_NAME_IEC958("",CAPTURE
,DEFAULT
),
1090 .info
= snd_hda_spdif_mask_info
,
1091 .get
= snd_hda_spdif_in_status_get
,
1097 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1098 * @codec: the HDA codec
1099 * @nid: audio in widget NID
1101 * Creates controls related with the SPDIF input.
1102 * Called from each patch supporting the SPDIF in.
1104 * Returns 0 if successful, or a negative error code.
1106 int snd_hda_create_spdif_in_ctls(struct hda_codec
*codec
, hda_nid_t nid
)
1109 snd_kcontrol_t
*kctl
;
1110 snd_kcontrol_new_t
*dig_mix
;
1112 for (dig_mix
= dig_in_ctls
; dig_mix
->name
; dig_mix
++) {
1113 kctl
= snd_ctl_new1(dig_mix
, codec
);
1114 kctl
->private_value
= nid
;
1115 if ((err
= snd_ctl_add(codec
->bus
->card
, kctl
)) < 0)
1118 codec
->spdif_in_enable
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_DIGI_CONVERT
, 0) & 1;
1124 * snd_hda_build_controls - build mixer controls
1127 * Creates mixer controls for each codec included in the bus.
1129 * Returns 0 if successful, otherwise a negative error code.
1131 int snd_hda_build_controls(struct hda_bus
*bus
)
1133 struct list_head
*p
;
1135 /* build controls */
1136 list_for_each(p
, &bus
->codec_list
) {
1137 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
1139 if (! codec
->patch_ops
.build_controls
)
1141 err
= codec
->patch_ops
.build_controls(codec
);
1147 list_for_each(p
, &bus
->codec_list
) {
1148 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
1150 if (! codec
->patch_ops
.init
)
1152 err
= codec
->patch_ops
.init(codec
);
1163 static unsigned int rate_bits
[][3] = {
1164 /* rate in Hz, ALSA rate bitmask, HDA format value */
1165 { 8000, SNDRV_PCM_RATE_8000
, 0x0500 }, /* 1/6 x 48 */
1166 { 11025, SNDRV_PCM_RATE_11025
, 0x4300 }, /* 1/4 x 44 */
1167 { 16000, SNDRV_PCM_RATE_16000
, 0x0200 }, /* 1/3 x 48 */
1168 { 22050, SNDRV_PCM_RATE_22050
, 0x4100 }, /* 1/2 x 44 */
1169 { 32000, SNDRV_PCM_RATE_32000
, 0x0a00 }, /* 2/3 x 48 */
1170 { 44100, SNDRV_PCM_RATE_44100
, 0x4000 }, /* 44 */
1171 { 48000, SNDRV_PCM_RATE_48000
, 0x0000 }, /* 48 */
1172 { 88200, SNDRV_PCM_RATE_88200
, 0x4800 }, /* 2 x 44 */
1173 { 96000, SNDRV_PCM_RATE_96000
, 0x0800 }, /* 2 x 48 */
1174 { 176400, SNDRV_PCM_RATE_176400
, 0x5800 },/* 4 x 44 */
1175 { 192000, SNDRV_PCM_RATE_192000
, 0x1800 }, /* 4 x 48 */
1180 * snd_hda_calc_stream_format - calculate format bitset
1181 * @rate: the sample rate
1182 * @channels: the number of channels
1183 * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
1184 * @maxbps: the max. bps
1186 * Calculate the format bitset from the given rate, channels and th PCM format.
1188 * Return zero if invalid.
1190 unsigned int snd_hda_calc_stream_format(unsigned int rate
,
1191 unsigned int channels
,
1192 unsigned int format
,
1193 unsigned int maxbps
)
1196 unsigned int val
= 0;
1198 for (i
= 0; rate_bits
[i
][0]; i
++)
1199 if (rate_bits
[i
][0] == rate
) {
1200 val
= rate_bits
[i
][2];
1203 if (! rate_bits
[i
][0]) {
1204 snd_printdd("invalid rate %d\n", rate
);
1208 if (channels
== 0 || channels
> 8) {
1209 snd_printdd("invalid channels %d\n", channels
);
1212 val
|= channels
- 1;
1214 switch (snd_pcm_format_width(format
)) {
1215 case 8: val
|= 0x00; break;
1216 case 16: val
|= 0x10; break;
1222 else if (maxbps
>= 24)
1228 snd_printdd("invalid format width %d\n", snd_pcm_format_width(format
));
1236 * snd_hda_query_supported_pcm - query the supported PCM rates and formats
1237 * @codec: the HDA codec
1238 * @nid: NID to query
1239 * @ratesp: the pointer to store the detected rate bitflags
1240 * @formatsp: the pointer to store the detected formats
1241 * @bpsp: the pointer to store the detected format widths
1243 * Queries the supported PCM rates and formats. The NULL @ratesp, @formatsp
1244 * or @bsps argument is ignored.
1246 * Returns 0 if successful, otherwise a negative error code.
1248 int snd_hda_query_supported_pcm(struct hda_codec
*codec
, hda_nid_t nid
,
1249 u32
*ratesp
, u64
*formatsp
, unsigned int *bpsp
)
1252 unsigned int val
, streams
;
1255 if (nid
!= codec
->afg
&&
1256 snd_hda_param_read(codec
, nid
, AC_PAR_AUDIO_WIDGET_CAP
) & AC_WCAP_FORMAT_OVRD
) {
1257 val
= snd_hda_param_read(codec
, nid
, AC_PAR_PCM
);
1262 val
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_PCM
);
1266 for (i
= 0; rate_bits
[i
][0]; i
++) {
1268 rates
|= rate_bits
[i
][1];
1273 if (formatsp
|| bpsp
) {
1278 wcaps
= snd_hda_param_read(codec
, nid
, AC_PAR_AUDIO_WIDGET_CAP
);
1279 streams
= snd_hda_param_read(codec
, nid
, AC_PAR_STREAM
);
1283 streams
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_STREAM
);
1289 if (streams
& AC_SUPFMT_PCM
) {
1290 if (val
& AC_SUPPCM_BITS_8
) {
1291 formats
|= SNDRV_PCM_FMTBIT_U8
;
1294 if (val
& AC_SUPPCM_BITS_16
) {
1295 formats
|= SNDRV_PCM_FMTBIT_S16_LE
;
1298 if (wcaps
& AC_WCAP_DIGITAL
) {
1299 if (val
& AC_SUPPCM_BITS_32
)
1300 formats
|= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE
;
1301 if (val
& (AC_SUPPCM_BITS_20
|AC_SUPPCM_BITS_24
))
1302 formats
|= SNDRV_PCM_FMTBIT_S32_LE
;
1303 if (val
& AC_SUPPCM_BITS_24
)
1305 else if (val
& AC_SUPPCM_BITS_20
)
1307 } else if (val
& (AC_SUPPCM_BITS_20
|AC_SUPPCM_BITS_24
|AC_SUPPCM_BITS_32
)) {
1308 formats
|= SNDRV_PCM_FMTBIT_S32_LE
;
1309 if (val
& AC_SUPPCM_BITS_32
)
1311 else if (val
& AC_SUPPCM_BITS_20
)
1313 else if (val
& AC_SUPPCM_BITS_24
)
1317 else if (streams
== AC_SUPFMT_FLOAT32
) { /* should be exclusive */
1318 formats
|= SNDRV_PCM_FMTBIT_FLOAT_LE
;
1320 } else if (streams
== AC_SUPFMT_AC3
) { /* should be exclusive */
1321 /* temporary hack: we have still no proper support
1322 * for the direct AC3 stream...
1324 formats
|= SNDRV_PCM_FMTBIT_U8
;
1328 *formatsp
= formats
;
1337 * snd_hda_is_supported_format - check whether the given node supports the format val
1339 * Returns 1 if supported, 0 if not.
1341 int snd_hda_is_supported_format(struct hda_codec
*codec
, hda_nid_t nid
,
1342 unsigned int format
)
1345 unsigned int val
= 0, rate
, stream
;
1347 if (nid
!= codec
->afg
&&
1348 snd_hda_param_read(codec
, nid
, AC_PAR_AUDIO_WIDGET_CAP
) & AC_WCAP_FORMAT_OVRD
) {
1349 val
= snd_hda_param_read(codec
, nid
, AC_PAR_PCM
);
1354 val
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_PCM
);
1359 rate
= format
& 0xff00;
1360 for (i
= 0; rate_bits
[i
][0]; i
++)
1361 if (rate_bits
[i
][2] == rate
) {
1366 if (! rate_bits
[i
][0])
1369 stream
= snd_hda_param_read(codec
, nid
, AC_PAR_STREAM
);
1372 if (! stream
&& nid
!= codec
->afg
)
1373 stream
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_STREAM
);
1374 if (! stream
|| stream
== -1)
1377 if (stream
& AC_SUPFMT_PCM
) {
1378 switch (format
& 0xf0) {
1380 if (! (val
& AC_SUPPCM_BITS_8
))
1384 if (! (val
& AC_SUPPCM_BITS_16
))
1388 if (! (val
& AC_SUPPCM_BITS_20
))
1392 if (! (val
& AC_SUPPCM_BITS_24
))
1396 if (! (val
& AC_SUPPCM_BITS_32
))
1403 /* FIXME: check for float32 and AC3? */
1412 static int hda_pcm_default_open_close(struct hda_pcm_stream
*hinfo
,
1413 struct hda_codec
*codec
,
1414 snd_pcm_substream_t
*substream
)
1419 static int hda_pcm_default_prepare(struct hda_pcm_stream
*hinfo
,
1420 struct hda_codec
*codec
,
1421 unsigned int stream_tag
,
1422 unsigned int format
,
1423 snd_pcm_substream_t
*substream
)
1425 snd_hda_codec_setup_stream(codec
, hinfo
->nid
, stream_tag
, 0, format
);
1429 static int hda_pcm_default_cleanup(struct hda_pcm_stream
*hinfo
,
1430 struct hda_codec
*codec
,
1431 snd_pcm_substream_t
*substream
)
1433 snd_hda_codec_setup_stream(codec
, hinfo
->nid
, 0, 0, 0);
1437 static int set_pcm_default_values(struct hda_codec
*codec
, struct hda_pcm_stream
*info
)
1440 /* query support PCM information from the given NID */
1441 if (! info
->rates
|| ! info
->formats
)
1442 snd_hda_query_supported_pcm(codec
, info
->nid
,
1443 info
->rates
? NULL
: &info
->rates
,
1444 info
->formats
? NULL
: &info
->formats
,
1445 info
->maxbps
? NULL
: &info
->maxbps
);
1447 if (info
->ops
.open
== NULL
)
1448 info
->ops
.open
= hda_pcm_default_open_close
;
1449 if (info
->ops
.close
== NULL
)
1450 info
->ops
.close
= hda_pcm_default_open_close
;
1451 if (info
->ops
.prepare
== NULL
) {
1452 snd_assert(info
->nid
, return -EINVAL
);
1453 info
->ops
.prepare
= hda_pcm_default_prepare
;
1455 if (info
->ops
.cleanup
== NULL
) {
1456 snd_assert(info
->nid
, return -EINVAL
);
1457 info
->ops
.cleanup
= hda_pcm_default_cleanup
;
1463 * snd_hda_build_pcms - build PCM information
1466 * Create PCM information for each codec included in the bus.
1468 * The build_pcms codec patch is requested to set up codec->num_pcms and
1469 * codec->pcm_info properly. The array is referred by the top-level driver
1470 * to create its PCM instances.
1471 * The allocated codec->pcm_info should be released in codec->patch_ops.free
1474 * At least, substreams, channels_min and channels_max must be filled for
1475 * each stream. substreams = 0 indicates that the stream doesn't exist.
1476 * When rates and/or formats are zero, the supported values are queried
1477 * from the given nid. The nid is used also by the default ops.prepare
1478 * and ops.cleanup callbacks.
1480 * The driver needs to call ops.open in its open callback. Similarly,
1481 * ops.close is supposed to be called in the close callback.
1482 * ops.prepare should be called in the prepare or hw_params callback
1483 * with the proper parameters for set up.
1484 * ops.cleanup should be called in hw_free for clean up of streams.
1486 * This function returns 0 if successfull, or a negative error code.
1488 int snd_hda_build_pcms(struct hda_bus
*bus
)
1490 struct list_head
*p
;
1492 list_for_each(p
, &bus
->codec_list
) {
1493 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
1494 unsigned int pcm
, s
;
1496 if (! codec
->patch_ops
.build_pcms
)
1498 err
= codec
->patch_ops
.build_pcms(codec
);
1501 for (pcm
= 0; pcm
< codec
->num_pcms
; pcm
++) {
1502 for (s
= 0; s
< 2; s
++) {
1503 struct hda_pcm_stream
*info
;
1504 info
= &codec
->pcm_info
[pcm
].stream
[s
];
1505 if (! info
->substreams
)
1507 err
= set_pcm_default_values(codec
, info
);
1518 * snd_hda_check_board_config - compare the current codec with the config table
1519 * @codec: the HDA codec
1520 * @tbl: configuration table, terminated by null entries
1522 * Compares the modelname or PCI subsystem id of the current codec with the
1523 * given configuration table. If a matching entry is found, returns its
1524 * config value (supposed to be 0 or positive).
1526 * If no entries are matching, the function returns a negative value.
1528 int snd_hda_check_board_config(struct hda_codec
*codec
, struct hda_board_config
*tbl
)
1530 struct hda_board_config
*c
;
1532 if (codec
->bus
->modelname
) {
1533 for (c
= tbl
; c
->modelname
|| c
->pci_vendor
; c
++) {
1535 ! strcmp(codec
->bus
->modelname
, c
->modelname
)) {
1536 snd_printd(KERN_INFO
"hda_codec: model '%s' is selected\n", c
->modelname
);
1542 if (codec
->bus
->pci
) {
1543 u16 subsystem_vendor
, subsystem_device
;
1544 pci_read_config_word(codec
->bus
->pci
, PCI_SUBSYSTEM_VENDOR_ID
, &subsystem_vendor
);
1545 pci_read_config_word(codec
->bus
->pci
, PCI_SUBSYSTEM_ID
, &subsystem_device
);
1546 for (c
= tbl
; c
->modelname
|| c
->pci_vendor
; c
++) {
1547 if (c
->pci_vendor
== subsystem_vendor
&&
1548 c
->pci_device
== subsystem_device
)
1556 * snd_hda_add_new_ctls - create controls from the array
1557 * @codec: the HDA codec
1558 * @knew: the array of snd_kcontrol_new_t
1560 * This helper function creates and add new controls in the given array.
1561 * The array must be terminated with an empty entry as terminator.
1563 * Returns 0 if successful, or a negative error code.
1565 int snd_hda_add_new_ctls(struct hda_codec
*codec
, snd_kcontrol_new_t
*knew
)
1569 for (; knew
->name
; knew
++) {
1570 err
= snd_ctl_add(codec
->bus
->card
, snd_ctl_new1(knew
, codec
));
1581 int snd_hda_input_mux_info(const struct hda_input_mux
*imux
, snd_ctl_elem_info_t
*uinfo
)
1585 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_ENUMERATED
;
1587 uinfo
->value
.enumerated
.items
= imux
->num_items
;
1588 index
= uinfo
->value
.enumerated
.item
;
1589 if (index
>= imux
->num_items
)
1590 index
= imux
->num_items
- 1;
1591 strcpy(uinfo
->value
.enumerated
.name
, imux
->items
[index
].label
);
1595 int snd_hda_input_mux_put(struct hda_codec
*codec
, const struct hda_input_mux
*imux
,
1596 snd_ctl_elem_value_t
*ucontrol
, hda_nid_t nid
,
1597 unsigned int *cur_val
)
1601 idx
= ucontrol
->value
.enumerated
.item
[0];
1602 if (idx
>= imux
->num_items
)
1603 idx
= imux
->num_items
- 1;
1604 if (*cur_val
== idx
&& ! codec
->in_resume
)
1606 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_CONNECT_SEL
,
1607 imux
->items
[idx
].index
);
1614 * Multi-channel / digital-out PCM helper functions
1618 * open the digital out in the exclusive mode
1620 int snd_hda_multi_out_dig_open(struct hda_codec
*codec
, struct hda_multi_out
*mout
)
1622 down(&codec
->spdif_mutex
);
1623 if (mout
->dig_out_used
) {
1624 up(&codec
->spdif_mutex
);
1625 return -EBUSY
; /* already being used */
1627 mout
->dig_out_used
= HDA_DIG_EXCLUSIVE
;
1628 up(&codec
->spdif_mutex
);
1633 * release the digital out
1635 int snd_hda_multi_out_dig_close(struct hda_codec
*codec
, struct hda_multi_out
*mout
)
1637 down(&codec
->spdif_mutex
);
1638 mout
->dig_out_used
= 0;
1639 up(&codec
->spdif_mutex
);
1644 * set up more restrictions for analog out
1646 int snd_hda_multi_out_analog_open(struct hda_codec
*codec
, struct hda_multi_out
*mout
,
1647 snd_pcm_substream_t
*substream
)
1649 substream
->runtime
->hw
.channels_max
= mout
->max_channels
;
1650 return snd_pcm_hw_constraint_step(substream
->runtime
, 0,
1651 SNDRV_PCM_HW_PARAM_CHANNELS
, 2);
1655 * set up the i/o for analog out
1656 * when the digital out is available, copy the front out to digital out, too.
1658 int snd_hda_multi_out_analog_prepare(struct hda_codec
*codec
, struct hda_multi_out
*mout
,
1659 unsigned int stream_tag
,
1660 unsigned int format
,
1661 snd_pcm_substream_t
*substream
)
1663 hda_nid_t
*nids
= mout
->dac_nids
;
1664 int chs
= substream
->runtime
->channels
;
1667 down(&codec
->spdif_mutex
);
1668 if (mout
->dig_out_nid
&& mout
->dig_out_used
!= HDA_DIG_EXCLUSIVE
) {
1670 snd_hda_is_supported_format(codec
, mout
->dig_out_nid
, format
) &&
1671 ! (codec
->spdif_status
& IEC958_AES0_NONAUDIO
)) {
1672 mout
->dig_out_used
= HDA_DIG_ANALOG_DUP
;
1673 /* setup digital receiver */
1674 snd_hda_codec_setup_stream(codec
, mout
->dig_out_nid
,
1675 stream_tag
, 0, format
);
1677 mout
->dig_out_used
= 0;
1678 snd_hda_codec_setup_stream(codec
, mout
->dig_out_nid
, 0, 0, 0);
1681 up(&codec
->spdif_mutex
);
1684 snd_hda_codec_setup_stream(codec
, nids
[HDA_FRONT
], stream_tag
, 0, format
);
1686 /* headphone out will just decode front left/right (stereo) */
1687 snd_hda_codec_setup_stream(codec
, mout
->hp_nid
, stream_tag
, 0, format
);
1689 for (i
= 1; i
< mout
->num_dacs
; i
++) {
1690 if (i
== HDA_REAR
&& chs
== 2) /* copy front to rear */
1691 snd_hda_codec_setup_stream(codec
, nids
[i
], stream_tag
, 0, format
);
1692 else if (chs
>= (i
+ 1) * 2) /* independent out */
1693 snd_hda_codec_setup_stream(codec
, nids
[i
], stream_tag
, i
* 2,
1700 * clean up the setting for analog out
1702 int snd_hda_multi_out_analog_cleanup(struct hda_codec
*codec
, struct hda_multi_out
*mout
)
1704 hda_nid_t
*nids
= mout
->dac_nids
;
1707 for (i
= 0; i
< mout
->num_dacs
; i
++)
1708 snd_hda_codec_setup_stream(codec
, nids
[i
], 0, 0, 0);
1710 snd_hda_codec_setup_stream(codec
, mout
->hp_nid
, 0, 0, 0);
1711 down(&codec
->spdif_mutex
);
1712 if (mout
->dig_out_nid
&& mout
->dig_out_used
== HDA_DIG_ANALOG_DUP
) {
1713 snd_hda_codec_setup_stream(codec
, mout
->dig_out_nid
, 0, 0, 0);
1714 mout
->dig_out_used
= 0;
1716 up(&codec
->spdif_mutex
);
1726 * snd_hda_suspend - suspend the codecs
1728 * @state: suspsend state
1730 * Returns 0 if successful.
1732 int snd_hda_suspend(struct hda_bus
*bus
, pm_message_t state
)
1734 struct list_head
*p
;
1736 /* FIXME: should handle power widget capabilities */
1737 list_for_each(p
, &bus
->codec_list
) {
1738 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
1739 if (codec
->patch_ops
.suspend
)
1740 codec
->patch_ops
.suspend(codec
, state
);
1746 * snd_hda_resume - resume the codecs
1748 * @state: resume state
1750 * Returns 0 if successful.
1752 int snd_hda_resume(struct hda_bus
*bus
)
1754 struct list_head
*p
;
1756 list_for_each(p
, &bus
->codec_list
) {
1757 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
1758 if (codec
->patch_ops
.resume
)
1759 codec
->patch_ops
.resume(codec
);
1765 * snd_hda_resume_ctls - resume controls in the new control list
1766 * @codec: the HDA codec
1767 * @knew: the array of snd_kcontrol_new_t
1769 * This function resumes the mixer controls in the snd_kcontrol_new_t array,
1770 * originally for snd_hda_add_new_ctls().
1771 * The array must be terminated with an empty entry as terminator.
1773 int snd_hda_resume_ctls(struct hda_codec
*codec
, snd_kcontrol_new_t
*knew
)
1775 snd_ctl_elem_value_t
*val
;
1777 val
= kmalloc(sizeof(*val
), GFP_KERNEL
);
1780 codec
->in_resume
= 1;
1781 for (; knew
->name
; knew
++) {
1783 count
= knew
->count
? knew
->count
: 1;
1784 for (i
= 0; i
< count
; i
++) {
1785 memset(val
, 0, sizeof(*val
));
1786 val
->id
.iface
= knew
->iface
;
1787 val
->id
.device
= knew
->device
;
1788 val
->id
.subdevice
= knew
->subdevice
;
1789 strcpy(val
->id
.name
, knew
->name
);
1790 val
->id
.index
= knew
->index
? knew
->index
: i
;
1791 /* Assume that get callback reads only from cache,
1792 * not accessing to the real hardware
1794 if (snd_ctl_elem_read(codec
->bus
->card
, val
) < 0)
1796 snd_ctl_elem_write(codec
->bus
->card
, NULL
, val
);
1799 codec
->in_resume
= 0;
1805 * snd_hda_resume_spdif_out - resume the digital out
1806 * @codec: the HDA codec
1808 int snd_hda_resume_spdif_out(struct hda_codec
*codec
)
1810 return snd_hda_resume_ctls(codec
, dig_mixes
);
1814 * snd_hda_resume_spdif_in - resume the digital in
1815 * @codec: the HDA codec
1817 int snd_hda_resume_spdif_in(struct hda_codec
*codec
)
1819 return snd_hda_resume_ctls(codec
, dig_in_ctls
);
1824 * symbols exported for controller modules
1826 EXPORT_SYMBOL(snd_hda_codec_read
);
1827 EXPORT_SYMBOL(snd_hda_codec_write
);
1828 EXPORT_SYMBOL(snd_hda_sequence_write
);
1829 EXPORT_SYMBOL(snd_hda_get_sub_nodes
);
1830 EXPORT_SYMBOL(snd_hda_queue_unsol_event
);
1831 EXPORT_SYMBOL(snd_hda_bus_new
);
1832 EXPORT_SYMBOL(snd_hda_codec_new
);
1833 EXPORT_SYMBOL(snd_hda_codec_setup_stream
);
1834 EXPORT_SYMBOL(snd_hda_calc_stream_format
);
1835 EXPORT_SYMBOL(snd_hda_build_pcms
);
1836 EXPORT_SYMBOL(snd_hda_build_controls
);
1838 EXPORT_SYMBOL(snd_hda_suspend
);
1839 EXPORT_SYMBOL(snd_hda_resume
);
1846 static int __init
alsa_hda_init(void)
1851 static void __exit
alsa_hda_exit(void)
1855 module_init(alsa_hda_init
)
1856 module_exit(alsa_hda_exit
)