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
)
552 snd_printdd("hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
553 nid
, stream_tag
, channel_id
, format
);
554 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_CHANNEL_STREAMID
,
555 (stream_tag
<< 4) | channel_id
);
557 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_STREAM_FORMAT
, format
);
562 * amp access functions
565 #define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + (idx) * 32 + (dir) * 64)
566 #define INFO_AMP_CAPS (1<<0)
567 #define INFO_AMP_VOL (1<<1)
569 /* initialize the hash table */
570 static void init_amp_hash(struct hda_codec
*codec
)
572 memset(codec
->amp_hash
, 0xff, sizeof(codec
->amp_hash
));
573 codec
->num_amp_entries
= 0;
576 /* query the hash. allocate an entry if not found. */
577 static struct hda_amp_info
*get_alloc_amp_hash(struct hda_codec
*codec
, u32 key
)
579 u16 idx
= key
% (u16
)ARRAY_SIZE(codec
->amp_hash
);
580 u16 cur
= codec
->amp_hash
[idx
];
581 struct hda_amp_info
*info
;
583 while (cur
!= 0xffff) {
584 info
= &codec
->amp_info
[cur
];
585 if (info
->key
== key
)
590 /* add a new hash entry */
591 if (codec
->num_amp_entries
>= ARRAY_SIZE(codec
->amp_info
)) {
592 snd_printk(KERN_ERR
"hda_codec: Tooooo many amps!\n");
595 cur
= codec
->num_amp_entries
++;
596 info
= &codec
->amp_info
[cur
];
598 info
->status
= 0; /* not initialized yet */
599 info
->next
= codec
->amp_hash
[idx
];
600 codec
->amp_hash
[idx
] = cur
;
606 * query AMP capabilities for the given widget and direction
608 static u32
query_amp_caps(struct hda_codec
*codec
, hda_nid_t nid
, int direction
)
610 struct hda_amp_info
*info
= get_alloc_amp_hash(codec
, HDA_HASH_KEY(nid
, direction
, 0));
614 if (! (info
->status
& INFO_AMP_CAPS
)) {
615 if (!(snd_hda_param_read(codec
, nid
, AC_PAR_AUDIO_WIDGET_CAP
) & AC_WCAP_AMP_OVRD
))
617 info
->amp_caps
= snd_hda_param_read(codec
, nid
, direction
== HDA_OUTPUT
?
618 AC_PAR_AMP_OUT_CAP
: AC_PAR_AMP_IN_CAP
);
619 info
->status
|= INFO_AMP_CAPS
;
621 return info
->amp_caps
;
625 * read the current volume to info
626 * if the cache exists, read from the cache.
628 static void get_vol_mute(struct hda_codec
*codec
, struct hda_amp_info
*info
,
629 hda_nid_t nid
, int ch
, int direction
, int index
)
633 if (info
->status
& (INFO_AMP_VOL
<< ch
))
636 parm
= ch
? AC_AMP_GET_RIGHT
: AC_AMP_GET_LEFT
;
637 parm
|= direction
== HDA_OUTPUT
? AC_AMP_GET_OUTPUT
: AC_AMP_GET_INPUT
;
639 val
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_AMP_GAIN_MUTE
, parm
);
640 info
->vol
[ch
] = val
& 0xff;
641 info
->status
|= INFO_AMP_VOL
<< ch
;
645 * write the current volume in info to the h/w
647 static void put_vol_mute(struct hda_codec
*codec
,
648 hda_nid_t nid
, int ch
, int direction
, int index
, int val
)
652 parm
= ch
? AC_AMP_SET_RIGHT
: AC_AMP_SET_LEFT
;
653 parm
|= direction
== HDA_OUTPUT
? AC_AMP_SET_OUTPUT
: AC_AMP_SET_INPUT
;
654 parm
|= index
<< AC_AMP_SET_INDEX_SHIFT
;
656 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_AMP_GAIN_MUTE
, parm
);
660 * read/write AMP value. The volume is between 0 to 0x7f, 0x80 = mute bit.
662 int snd_hda_codec_amp_read(struct hda_codec
*codec
, hda_nid_t nid
, int ch
, int direction
, int index
)
664 struct hda_amp_info
*info
= get_alloc_amp_hash(codec
, HDA_HASH_KEY(nid
, direction
, index
));
667 get_vol_mute(codec
, info
, nid
, ch
, direction
, index
);
668 return info
->vol
[ch
];
671 int snd_hda_codec_amp_write(struct hda_codec
*codec
, hda_nid_t nid
, int ch
, int direction
, int idx
, int val
)
673 struct hda_amp_info
*info
= get_alloc_amp_hash(codec
, HDA_HASH_KEY(nid
, direction
, idx
));
676 get_vol_mute(codec
, info
, nid
, ch
, direction
, idx
);
677 if (info
->vol
[ch
] == val
&& ! codec
->in_resume
)
679 put_vol_mute(codec
, nid
, ch
, direction
, idx
, val
);
686 * AMP control callbacks
688 /* retrieve parameters from private_value */
689 #define get_amp_nid(kc) ((kc)->private_value & 0xffff)
690 #define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3)
691 #define get_amp_direction(kc) (((kc)->private_value >> 18) & 0x1)
692 #define get_amp_index(kc) (((kc)->private_value >> 19) & 0xf)
695 int snd_hda_mixer_amp_volume_info(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_info_t
*uinfo
)
697 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
698 u16 nid
= get_amp_nid(kcontrol
);
699 u8 chs
= get_amp_channels(kcontrol
);
700 int dir
= get_amp_direction(kcontrol
);
703 caps
= query_amp_caps(codec
, nid
, dir
);
704 caps
= (caps
& AC_AMPCAP_NUM_STEPS
) >> AC_AMPCAP_NUM_STEPS_SHIFT
; /* num steps */
706 printk(KERN_WARNING
"hda_codec: num_steps = 0 for NID=0x%x\n", nid
);
709 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_INTEGER
;
710 uinfo
->count
= chs
== 3 ? 2 : 1;
711 uinfo
->value
.integer
.min
= 0;
712 uinfo
->value
.integer
.max
= caps
;
716 int snd_hda_mixer_amp_volume_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
718 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
719 hda_nid_t nid
= get_amp_nid(kcontrol
);
720 int chs
= get_amp_channels(kcontrol
);
721 int dir
= get_amp_direction(kcontrol
);
722 int idx
= get_amp_index(kcontrol
);
723 long *valp
= ucontrol
->value
.integer
.value
;
726 *valp
++ = snd_hda_codec_amp_read(codec
, nid
, 0, dir
, idx
) & 0x7f;
728 *valp
= snd_hda_codec_amp_read(codec
, nid
, 1, dir
, idx
) & 0x7f;
732 int snd_hda_mixer_amp_volume_put(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
734 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
735 hda_nid_t nid
= get_amp_nid(kcontrol
);
736 int chs
= get_amp_channels(kcontrol
);
737 int dir
= get_amp_direction(kcontrol
);
738 int idx
= get_amp_index(kcontrol
);
740 long *valp
= ucontrol
->value
.integer
.value
;
745 val
|= snd_hda_codec_amp_read(codec
, nid
, 0, dir
, idx
) & 0x80;
746 change
= snd_hda_codec_amp_write(codec
, nid
, 0, dir
, idx
, val
);
751 val
|= snd_hda_codec_amp_read(codec
, nid
, 1, dir
, idx
) & 0x80;
752 change
|= snd_hda_codec_amp_write(codec
, nid
, 1, dir
, idx
, val
);
758 int snd_hda_mixer_amp_switch_info(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_info_t
*uinfo
)
760 int chs
= get_amp_channels(kcontrol
);
762 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_BOOLEAN
;
763 uinfo
->count
= chs
== 3 ? 2 : 1;
764 uinfo
->value
.integer
.min
= 0;
765 uinfo
->value
.integer
.max
= 1;
769 int snd_hda_mixer_amp_switch_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
771 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
772 hda_nid_t nid
= get_amp_nid(kcontrol
);
773 int chs
= get_amp_channels(kcontrol
);
774 int dir
= get_amp_direction(kcontrol
);
775 int idx
= get_amp_index(kcontrol
);
776 long *valp
= ucontrol
->value
.integer
.value
;
779 *valp
++ = (snd_hda_codec_amp_read(codec
, nid
, 0, dir
, idx
) & 0x80) ? 0 : 1;
781 *valp
= (snd_hda_codec_amp_read(codec
, nid
, 1, dir
, idx
) & 0x80) ? 0 : 1;
785 int snd_hda_mixer_amp_switch_put(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
787 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
788 hda_nid_t nid
= get_amp_nid(kcontrol
);
789 int chs
= get_amp_channels(kcontrol
);
790 int dir
= get_amp_direction(kcontrol
);
791 int idx
= get_amp_index(kcontrol
);
793 long *valp
= ucontrol
->value
.integer
.value
;
797 val
= snd_hda_codec_amp_read(codec
, nid
, 0, dir
, idx
) & 0x7f;
798 val
|= *valp
? 0 : 0x80;
799 change
= snd_hda_codec_amp_write(codec
, nid
, 0, dir
, idx
, val
);
803 val
= snd_hda_codec_amp_read(codec
, nid
, 1, dir
, idx
) & 0x7f;
804 val
|= *valp
? 0 : 0x80;
805 change
= snd_hda_codec_amp_write(codec
, nid
, 1, dir
, idx
, val
);
814 static int snd_hda_spdif_mask_info(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_info_t
*uinfo
)
816 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_IEC958
;
821 static int snd_hda_spdif_cmask_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
823 ucontrol
->value
.iec958
.status
[0] = IEC958_AES0_PROFESSIONAL
|
824 IEC958_AES0_NONAUDIO
|
825 IEC958_AES0_CON_EMPHASIS_5015
|
826 IEC958_AES0_CON_NOT_COPYRIGHT
;
827 ucontrol
->value
.iec958
.status
[1] = IEC958_AES1_CON_CATEGORY
|
828 IEC958_AES1_CON_ORIGINAL
;
832 static int snd_hda_spdif_pmask_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
834 ucontrol
->value
.iec958
.status
[0] = IEC958_AES0_PROFESSIONAL
|
835 IEC958_AES0_NONAUDIO
|
836 IEC958_AES0_PRO_EMPHASIS_5015
;
840 static int snd_hda_spdif_default_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
842 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
844 ucontrol
->value
.iec958
.status
[0] = codec
->spdif_status
& 0xff;
845 ucontrol
->value
.iec958
.status
[1] = (codec
->spdif_status
>> 8) & 0xff;
846 ucontrol
->value
.iec958
.status
[2] = (codec
->spdif_status
>> 16) & 0xff;
847 ucontrol
->value
.iec958
.status
[3] = (codec
->spdif_status
>> 24) & 0xff;
852 /* convert from SPDIF status bits to HDA SPDIF bits
853 * bit 0 (DigEn) is always set zero (to be filled later)
855 static unsigned short convert_from_spdif_status(unsigned int sbits
)
857 unsigned short val
= 0;
859 if (sbits
& IEC958_AES0_PROFESSIONAL
)
861 if (sbits
& IEC958_AES0_NONAUDIO
)
863 if (sbits
& IEC958_AES0_PROFESSIONAL
) {
864 if ((sbits
& IEC958_AES0_PRO_EMPHASIS
) == IEC958_AES0_PRO_EMPHASIS_5015
)
867 if ((sbits
& IEC958_AES0_CON_EMPHASIS
) == IEC958_AES0_CON_EMPHASIS_5015
)
869 if (! (sbits
& IEC958_AES0_CON_NOT_COPYRIGHT
))
871 if (sbits
& (IEC958_AES1_CON_ORIGINAL
<< 8))
873 val
|= sbits
& (IEC958_AES1_CON_CATEGORY
<< 8);
878 /* convert to SPDIF status bits from HDA SPDIF bits
880 static unsigned int convert_to_spdif_status(unsigned short val
)
882 unsigned int sbits
= 0;
885 sbits
|= IEC958_AES0_NONAUDIO
;
887 sbits
|= IEC958_AES0_PROFESSIONAL
;
888 if (sbits
& IEC958_AES0_PROFESSIONAL
) {
889 if (sbits
& (1 << 3))
890 sbits
|= IEC958_AES0_PRO_EMPHASIS_5015
;
893 sbits
|= IEC958_AES0_CON_EMPHASIS_5015
;
894 if (! (val
& (1 << 4)))
895 sbits
|= IEC958_AES0_CON_NOT_COPYRIGHT
;
897 sbits
|= (IEC958_AES1_CON_ORIGINAL
<< 8);
898 sbits
|= val
& (0x7f << 8);
903 static int snd_hda_spdif_default_put(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
905 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
906 hda_nid_t nid
= kcontrol
->private_value
;
910 down(&codec
->spdif_mutex
);
911 codec
->spdif_status
= ucontrol
->value
.iec958
.status
[0] |
912 ((unsigned int)ucontrol
->value
.iec958
.status
[1] << 8) |
913 ((unsigned int)ucontrol
->value
.iec958
.status
[2] << 16) |
914 ((unsigned int)ucontrol
->value
.iec958
.status
[3] << 24);
915 val
= convert_from_spdif_status(codec
->spdif_status
);
916 val
|= codec
->spdif_ctls
& 1;
917 change
= codec
->spdif_ctls
!= val
;
918 codec
->spdif_ctls
= val
;
920 if (change
|| codec
->in_resume
) {
921 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_DIGI_CONVERT_1
, val
& 0xff);
922 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_DIGI_CONVERT_2
, val
>> 8);
925 up(&codec
->spdif_mutex
);
929 static int snd_hda_spdif_out_switch_info(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_info_t
*uinfo
)
931 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_BOOLEAN
;
933 uinfo
->value
.integer
.min
= 0;
934 uinfo
->value
.integer
.max
= 1;
938 static int snd_hda_spdif_out_switch_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
940 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
942 ucontrol
->value
.integer
.value
[0] = codec
->spdif_ctls
& 1;
946 static int snd_hda_spdif_out_switch_put(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
948 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
949 hda_nid_t nid
= kcontrol
->private_value
;
953 down(&codec
->spdif_mutex
);
954 val
= codec
->spdif_ctls
& ~1;
955 if (ucontrol
->value
.integer
.value
[0])
957 change
= codec
->spdif_ctls
!= val
;
958 if (change
|| codec
->in_resume
) {
959 codec
->spdif_ctls
= val
;
960 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_DIGI_CONVERT_1
, val
& 0xff);
961 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_AMP_GAIN_MUTE
,
962 AC_AMP_SET_RIGHT
| AC_AMP_SET_LEFT
|
963 AC_AMP_SET_OUTPUT
| ((val
& 1) ? 0 : 0x80));
965 up(&codec
->spdif_mutex
);
969 static snd_kcontrol_new_t dig_mixes
[] = {
971 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
972 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
973 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,CON_MASK
),
974 .info
= snd_hda_spdif_mask_info
,
975 .get
= snd_hda_spdif_cmask_get
,
978 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
979 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
980 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,PRO_MASK
),
981 .info
= snd_hda_spdif_mask_info
,
982 .get
= snd_hda_spdif_pmask_get
,
985 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
986 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,DEFAULT
),
987 .info
= snd_hda_spdif_mask_info
,
988 .get
= snd_hda_spdif_default_get
,
989 .put
= snd_hda_spdif_default_put
,
992 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
993 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,SWITCH
),
994 .info
= snd_hda_spdif_out_switch_info
,
995 .get
= snd_hda_spdif_out_switch_get
,
996 .put
= snd_hda_spdif_out_switch_put
,
1002 * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1003 * @codec: the HDA codec
1004 * @nid: audio out widget NID
1006 * Creates controls related with the SPDIF output.
1007 * Called from each patch supporting the SPDIF out.
1009 * Returns 0 if successful, or a negative error code.
1011 int snd_hda_create_spdif_out_ctls(struct hda_codec
*codec
, hda_nid_t nid
)
1014 snd_kcontrol_t
*kctl
;
1015 snd_kcontrol_new_t
*dig_mix
;
1017 for (dig_mix
= dig_mixes
; dig_mix
->name
; dig_mix
++) {
1018 kctl
= snd_ctl_new1(dig_mix
, codec
);
1019 kctl
->private_value
= nid
;
1020 if ((err
= snd_ctl_add(codec
->bus
->card
, kctl
)) < 0)
1023 codec
->spdif_ctls
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_DIGI_CONVERT
, 0);
1024 codec
->spdif_status
= convert_to_spdif_status(codec
->spdif_ctls
);
1032 #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
1034 static int snd_hda_spdif_in_switch_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
1036 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1038 ucontrol
->value
.integer
.value
[0] = codec
->spdif_in_enable
;
1042 static int snd_hda_spdif_in_switch_put(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
1044 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1045 hda_nid_t nid
= kcontrol
->private_value
;
1046 unsigned int val
= !!ucontrol
->value
.integer
.value
[0];
1049 down(&codec
->spdif_mutex
);
1050 change
= codec
->spdif_in_enable
!= val
;
1051 if (change
|| codec
->in_resume
) {
1052 codec
->spdif_in_enable
= val
;
1053 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_DIGI_CONVERT_1
, val
);
1055 up(&codec
->spdif_mutex
);
1059 static int snd_hda_spdif_in_status_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
1061 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1062 hda_nid_t nid
= kcontrol
->private_value
;
1066 val
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_DIGI_CONVERT
, 0);
1067 sbits
= convert_to_spdif_status(val
);
1068 ucontrol
->value
.iec958
.status
[0] = sbits
;
1069 ucontrol
->value
.iec958
.status
[1] = sbits
>> 8;
1070 ucontrol
->value
.iec958
.status
[2] = sbits
>> 16;
1071 ucontrol
->value
.iec958
.status
[3] = sbits
>> 24;
1075 static snd_kcontrol_new_t dig_in_ctls
[] = {
1077 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1078 .name
= SNDRV_CTL_NAME_IEC958("",CAPTURE
,SWITCH
),
1079 .info
= snd_hda_spdif_in_switch_info
,
1080 .get
= snd_hda_spdif_in_switch_get
,
1081 .put
= snd_hda_spdif_in_switch_put
,
1084 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
1085 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1086 .name
= SNDRV_CTL_NAME_IEC958("",CAPTURE
,DEFAULT
),
1087 .info
= snd_hda_spdif_mask_info
,
1088 .get
= snd_hda_spdif_in_status_get
,
1094 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1095 * @codec: the HDA codec
1096 * @nid: audio in widget NID
1098 * Creates controls related with the SPDIF input.
1099 * Called from each patch supporting the SPDIF in.
1101 * Returns 0 if successful, or a negative error code.
1103 int snd_hda_create_spdif_in_ctls(struct hda_codec
*codec
, hda_nid_t nid
)
1106 snd_kcontrol_t
*kctl
;
1107 snd_kcontrol_new_t
*dig_mix
;
1109 for (dig_mix
= dig_in_ctls
; dig_mix
->name
; dig_mix
++) {
1110 kctl
= snd_ctl_new1(dig_mix
, codec
);
1111 kctl
->private_value
= nid
;
1112 if ((err
= snd_ctl_add(codec
->bus
->card
, kctl
)) < 0)
1115 codec
->spdif_in_enable
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_DIGI_CONVERT
, 0) & 1;
1121 * snd_hda_build_controls - build mixer controls
1124 * Creates mixer controls for each codec included in the bus.
1126 * Returns 0 if successful, otherwise a negative error code.
1128 int snd_hda_build_controls(struct hda_bus
*bus
)
1130 struct list_head
*p
;
1132 /* build controls */
1133 list_for_each(p
, &bus
->codec_list
) {
1134 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
1136 if (! codec
->patch_ops
.build_controls
)
1138 err
= codec
->patch_ops
.build_controls(codec
);
1144 list_for_each(p
, &bus
->codec_list
) {
1145 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
1147 if (! codec
->patch_ops
.init
)
1149 err
= codec
->patch_ops
.init(codec
);
1160 static unsigned int rate_bits
[][3] = {
1161 /* rate in Hz, ALSA rate bitmask, HDA format value */
1162 { 8000, SNDRV_PCM_RATE_8000
, 0x0500 }, /* 1/6 x 48 */
1163 { 11025, SNDRV_PCM_RATE_11025
, 0x4300 }, /* 1/4 x 44 */
1164 { 16000, SNDRV_PCM_RATE_16000
, 0x0200 }, /* 1/3 x 48 */
1165 { 22050, SNDRV_PCM_RATE_22050
, 0x4100 }, /* 1/2 x 44 */
1166 { 32000, SNDRV_PCM_RATE_32000
, 0x0a00 }, /* 2/3 x 48 */
1167 { 44100, SNDRV_PCM_RATE_44100
, 0x4000 }, /* 44 */
1168 { 48000, SNDRV_PCM_RATE_48000
, 0x0000 }, /* 48 */
1169 { 88200, SNDRV_PCM_RATE_88200
, 0x4800 }, /* 2 x 44 */
1170 { 96000, SNDRV_PCM_RATE_96000
, 0x0800 }, /* 2 x 48 */
1171 { 176400, SNDRV_PCM_RATE_176400
, 0x5800 },/* 4 x 44 */
1172 { 192000, SNDRV_PCM_RATE_192000
, 0x1800 }, /* 4 x 48 */
1177 * snd_hda_calc_stream_format - calculate format bitset
1178 * @rate: the sample rate
1179 * @channels: the number of channels
1180 * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
1181 * @maxbps: the max. bps
1183 * Calculate the format bitset from the given rate, channels and th PCM format.
1185 * Return zero if invalid.
1187 unsigned int snd_hda_calc_stream_format(unsigned int rate
,
1188 unsigned int channels
,
1189 unsigned int format
,
1190 unsigned int maxbps
)
1193 unsigned int val
= 0;
1195 for (i
= 0; rate_bits
[i
][0]; i
++)
1196 if (rate_bits
[i
][0] == rate
) {
1197 val
= rate_bits
[i
][2];
1200 if (! rate_bits
[i
][0]) {
1201 snd_printdd("invalid rate %d\n", rate
);
1205 if (channels
== 0 || channels
> 8) {
1206 snd_printdd("invalid channels %d\n", channels
);
1209 val
|= channels
- 1;
1211 switch (snd_pcm_format_width(format
)) {
1212 case 8: val
|= 0x00; break;
1213 case 16: val
|= 0x10; break;
1219 else if (maxbps
>= 24)
1225 snd_printdd("invalid format width %d\n", snd_pcm_format_width(format
));
1233 * snd_hda_query_supported_pcm - query the supported PCM rates and formats
1234 * @codec: the HDA codec
1235 * @nid: NID to query
1236 * @ratesp: the pointer to store the detected rate bitflags
1237 * @formatsp: the pointer to store the detected formats
1238 * @bpsp: the pointer to store the detected format widths
1240 * Queries the supported PCM rates and formats. The NULL @ratesp, @formatsp
1241 * or @bsps argument is ignored.
1243 * Returns 0 if successful, otherwise a negative error code.
1245 int snd_hda_query_supported_pcm(struct hda_codec
*codec
, hda_nid_t nid
,
1246 u32
*ratesp
, u64
*formatsp
, unsigned int *bpsp
)
1249 unsigned int val
, streams
;
1252 if (nid
!= codec
->afg
&&
1253 snd_hda_param_read(codec
, nid
, AC_PAR_AUDIO_WIDGET_CAP
) & AC_WCAP_FORMAT_OVRD
) {
1254 val
= snd_hda_param_read(codec
, nid
, AC_PAR_PCM
);
1259 val
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_PCM
);
1263 for (i
= 0; rate_bits
[i
][0]; i
++) {
1265 rates
|= rate_bits
[i
][1];
1270 if (formatsp
|| bpsp
) {
1275 wcaps
= snd_hda_param_read(codec
, nid
, AC_PAR_AUDIO_WIDGET_CAP
);
1276 streams
= snd_hda_param_read(codec
, nid
, AC_PAR_STREAM
);
1280 streams
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_STREAM
);
1286 if (streams
& AC_SUPFMT_PCM
) {
1287 if (val
& AC_SUPPCM_BITS_8
) {
1288 formats
|= SNDRV_PCM_FMTBIT_U8
;
1291 if (val
& AC_SUPPCM_BITS_16
) {
1292 formats
|= SNDRV_PCM_FMTBIT_S16_LE
;
1295 if (wcaps
& AC_WCAP_DIGITAL
) {
1296 if (val
& AC_SUPPCM_BITS_32
)
1297 formats
|= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE
;
1298 if (val
& (AC_SUPPCM_BITS_20
|AC_SUPPCM_BITS_24
))
1299 formats
|= SNDRV_PCM_FMTBIT_S32_LE
;
1300 if (val
& AC_SUPPCM_BITS_24
)
1302 else if (val
& AC_SUPPCM_BITS_20
)
1304 } else if (val
& (AC_SUPPCM_BITS_20
|AC_SUPPCM_BITS_24
|AC_SUPPCM_BITS_32
)) {
1305 formats
|= SNDRV_PCM_FMTBIT_S32_LE
;
1306 if (val
& AC_SUPPCM_BITS_32
)
1308 else if (val
& AC_SUPPCM_BITS_20
)
1310 else if (val
& AC_SUPPCM_BITS_24
)
1314 else if (streams
== AC_SUPFMT_FLOAT32
) { /* should be exclusive */
1315 formats
|= SNDRV_PCM_FMTBIT_FLOAT_LE
;
1317 } else if (streams
== AC_SUPFMT_AC3
) { /* should be exclusive */
1318 /* temporary hack: we have still no proper support
1319 * for the direct AC3 stream...
1321 formats
|= SNDRV_PCM_FMTBIT_U8
;
1325 *formatsp
= formats
;
1334 * snd_hda_is_supported_format - check whether the given node supports the format val
1336 * Returns 1 if supported, 0 if not.
1338 int snd_hda_is_supported_format(struct hda_codec
*codec
, hda_nid_t nid
,
1339 unsigned int format
)
1342 unsigned int val
= 0, rate
, stream
;
1344 if (nid
!= codec
->afg
&&
1345 snd_hda_param_read(codec
, nid
, AC_PAR_AUDIO_WIDGET_CAP
) & AC_WCAP_FORMAT_OVRD
) {
1346 val
= snd_hda_param_read(codec
, nid
, AC_PAR_PCM
);
1351 val
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_PCM
);
1356 rate
= format
& 0xff00;
1357 for (i
= 0; rate_bits
[i
][0]; i
++)
1358 if (rate_bits
[i
][2] == rate
) {
1363 if (! rate_bits
[i
][0])
1366 stream
= snd_hda_param_read(codec
, nid
, AC_PAR_STREAM
);
1369 if (! stream
&& nid
!= codec
->afg
)
1370 stream
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_STREAM
);
1371 if (! stream
|| stream
== -1)
1374 if (stream
& AC_SUPFMT_PCM
) {
1375 switch (format
& 0xf0) {
1377 if (! (val
& AC_SUPPCM_BITS_8
))
1381 if (! (val
& AC_SUPPCM_BITS_16
))
1385 if (! (val
& AC_SUPPCM_BITS_20
))
1389 if (! (val
& AC_SUPPCM_BITS_24
))
1393 if (! (val
& AC_SUPPCM_BITS_32
))
1400 /* FIXME: check for float32 and AC3? */
1409 static int hda_pcm_default_open_close(struct hda_pcm_stream
*hinfo
,
1410 struct hda_codec
*codec
,
1411 snd_pcm_substream_t
*substream
)
1416 static int hda_pcm_default_prepare(struct hda_pcm_stream
*hinfo
,
1417 struct hda_codec
*codec
,
1418 unsigned int stream_tag
,
1419 unsigned int format
,
1420 snd_pcm_substream_t
*substream
)
1422 snd_hda_codec_setup_stream(codec
, hinfo
->nid
, stream_tag
, 0, format
);
1426 static int hda_pcm_default_cleanup(struct hda_pcm_stream
*hinfo
,
1427 struct hda_codec
*codec
,
1428 snd_pcm_substream_t
*substream
)
1430 snd_hda_codec_setup_stream(codec
, hinfo
->nid
, 0, 0, 0);
1434 static int set_pcm_default_values(struct hda_codec
*codec
, struct hda_pcm_stream
*info
)
1437 /* query support PCM information from the given NID */
1438 if (! info
->rates
|| ! info
->formats
)
1439 snd_hda_query_supported_pcm(codec
, info
->nid
,
1440 info
->rates
? NULL
: &info
->rates
,
1441 info
->formats
? NULL
: &info
->formats
,
1442 info
->maxbps
? NULL
: &info
->maxbps
);
1444 if (info
->ops
.open
== NULL
)
1445 info
->ops
.open
= hda_pcm_default_open_close
;
1446 if (info
->ops
.close
== NULL
)
1447 info
->ops
.close
= hda_pcm_default_open_close
;
1448 if (info
->ops
.prepare
== NULL
) {
1449 snd_assert(info
->nid
, return -EINVAL
);
1450 info
->ops
.prepare
= hda_pcm_default_prepare
;
1452 if (info
->ops
.prepare
== NULL
) {
1453 snd_assert(info
->nid
, return -EINVAL
);
1454 info
->ops
.prepare
= hda_pcm_default_prepare
;
1456 if (info
->ops
.cleanup
== NULL
) {
1457 snd_assert(info
->nid
, return -EINVAL
);
1458 info
->ops
.cleanup
= hda_pcm_default_cleanup
;
1464 * snd_hda_build_pcms - build PCM information
1467 * Create PCM information for each codec included in the bus.
1469 * The build_pcms codec patch is requested to set up codec->num_pcms and
1470 * codec->pcm_info properly. The array is referred by the top-level driver
1471 * to create its PCM instances.
1472 * The allocated codec->pcm_info should be released in codec->patch_ops.free
1475 * At least, substreams, channels_min and channels_max must be filled for
1476 * each stream. substreams = 0 indicates that the stream doesn't exist.
1477 * When rates and/or formats are zero, the supported values are queried
1478 * from the given nid. The nid is used also by the default ops.prepare
1479 * and ops.cleanup callbacks.
1481 * The driver needs to call ops.open in its open callback. Similarly,
1482 * ops.close is supposed to be called in the close callback.
1483 * ops.prepare should be called in the prepare or hw_params callback
1484 * with the proper parameters for set up.
1485 * ops.cleanup should be called in hw_free for clean up of streams.
1487 * This function returns 0 if successfull, or a negative error code.
1489 int snd_hda_build_pcms(struct hda_bus
*bus
)
1491 struct list_head
*p
;
1493 list_for_each(p
, &bus
->codec_list
) {
1494 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
1495 unsigned int pcm
, s
;
1497 if (! codec
->patch_ops
.build_pcms
)
1499 err
= codec
->patch_ops
.build_pcms(codec
);
1502 for (pcm
= 0; pcm
< codec
->num_pcms
; pcm
++) {
1503 for (s
= 0; s
< 2; s
++) {
1504 struct hda_pcm_stream
*info
;
1505 info
= &codec
->pcm_info
[pcm
].stream
[s
];
1506 if (! info
->substreams
)
1508 err
= set_pcm_default_values(codec
, info
);
1519 * snd_hda_check_board_config - compare the current codec with the config table
1520 * @codec: the HDA codec
1521 * @tbl: configuration table, terminated by null entries
1523 * Compares the modelname or PCI subsystem id of the current codec with the
1524 * given configuration table. If a matching entry is found, returns its
1525 * config value (supposed to be 0 or positive).
1527 * If no entries are matching, the function returns a negative value.
1529 int snd_hda_check_board_config(struct hda_codec
*codec
, struct hda_board_config
*tbl
)
1531 struct hda_board_config
*c
;
1533 if (codec
->bus
->modelname
) {
1534 for (c
= tbl
; c
->modelname
|| c
->pci_vendor
; c
++) {
1536 ! strcmp(codec
->bus
->modelname
, c
->modelname
)) {
1537 snd_printd(KERN_INFO
"hda_codec: model '%s' is selected\n", c
->modelname
);
1543 if (codec
->bus
->pci
) {
1544 u16 subsystem_vendor
, subsystem_device
;
1545 pci_read_config_word(codec
->bus
->pci
, PCI_SUBSYSTEM_VENDOR_ID
, &subsystem_vendor
);
1546 pci_read_config_word(codec
->bus
->pci
, PCI_SUBSYSTEM_ID
, &subsystem_device
);
1547 for (c
= tbl
; c
->modelname
|| c
->pci_vendor
; c
++) {
1548 if (c
->pci_vendor
== subsystem_vendor
&&
1549 c
->pci_device
== subsystem_device
)
1557 * snd_hda_add_new_ctls - create controls from the array
1558 * @codec: the HDA codec
1559 * @knew: the array of snd_kcontrol_new_t
1561 * This helper function creates and add new controls in the given array.
1562 * The array must be terminated with an empty entry as terminator.
1564 * Returns 0 if successful, or a negative error code.
1566 int snd_hda_add_new_ctls(struct hda_codec
*codec
, snd_kcontrol_new_t
*knew
)
1570 for (; knew
->name
; knew
++) {
1571 err
= snd_ctl_add(codec
->bus
->card
, snd_ctl_new1(knew
, codec
));
1582 int snd_hda_input_mux_info(const struct hda_input_mux
*imux
, snd_ctl_elem_info_t
*uinfo
)
1586 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_ENUMERATED
;
1588 uinfo
->value
.enumerated
.items
= imux
->num_items
;
1589 index
= uinfo
->value
.enumerated
.item
;
1590 if (index
>= imux
->num_items
)
1591 index
= imux
->num_items
- 1;
1592 strcpy(uinfo
->value
.enumerated
.name
, imux
->items
[index
].label
);
1596 int snd_hda_input_mux_put(struct hda_codec
*codec
, const struct hda_input_mux
*imux
,
1597 snd_ctl_elem_value_t
*ucontrol
, hda_nid_t nid
,
1598 unsigned int *cur_val
)
1602 idx
= ucontrol
->value
.enumerated
.item
[0];
1603 if (idx
>= imux
->num_items
)
1604 idx
= imux
->num_items
- 1;
1605 if (*cur_val
== idx
&& ! codec
->in_resume
)
1607 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_CONNECT_SEL
,
1608 imux
->items
[idx
].index
);
1615 * Multi-channel / digital-out PCM helper functions
1619 * open the digital out in the exclusive mode
1621 int snd_hda_multi_out_dig_open(struct hda_codec
*codec
, struct hda_multi_out
*mout
)
1623 down(&codec
->spdif_mutex
);
1624 if (mout
->dig_out_used
) {
1625 up(&codec
->spdif_mutex
);
1626 return -EBUSY
; /* already being used */
1628 mout
->dig_out_used
= HDA_DIG_EXCLUSIVE
;
1629 up(&codec
->spdif_mutex
);
1634 * release the digital out
1636 int snd_hda_multi_out_dig_close(struct hda_codec
*codec
, struct hda_multi_out
*mout
)
1638 down(&codec
->spdif_mutex
);
1639 mout
->dig_out_used
= 0;
1640 up(&codec
->spdif_mutex
);
1645 * set up more restrictions for analog out
1647 int snd_hda_multi_out_analog_open(struct hda_codec
*codec
, struct hda_multi_out
*mout
,
1648 snd_pcm_substream_t
*substream
)
1650 substream
->runtime
->hw
.channels_max
= mout
->max_channels
;
1651 return snd_pcm_hw_constraint_step(substream
->runtime
, 0,
1652 SNDRV_PCM_HW_PARAM_CHANNELS
, 2);
1656 * set up the i/o for analog out
1657 * when the digital out is available, copy the front out to digital out, too.
1659 int snd_hda_multi_out_analog_prepare(struct hda_codec
*codec
, struct hda_multi_out
*mout
,
1660 unsigned int stream_tag
,
1661 unsigned int format
,
1662 snd_pcm_substream_t
*substream
)
1664 hda_nid_t
*nids
= mout
->dac_nids
;
1665 int chs
= substream
->runtime
->channels
;
1668 down(&codec
->spdif_mutex
);
1669 if (mout
->dig_out_nid
&& mout
->dig_out_used
!= HDA_DIG_EXCLUSIVE
) {
1671 snd_hda_is_supported_format(codec
, mout
->dig_out_nid
, format
) &&
1672 ! (codec
->spdif_status
& IEC958_AES0_NONAUDIO
)) {
1673 mout
->dig_out_used
= HDA_DIG_ANALOG_DUP
;
1674 /* setup digital receiver */
1675 snd_hda_codec_setup_stream(codec
, mout
->dig_out_nid
,
1676 stream_tag
, 0, format
);
1678 mout
->dig_out_used
= 0;
1679 snd_hda_codec_setup_stream(codec
, mout
->dig_out_nid
, 0, 0, 0);
1682 up(&codec
->spdif_mutex
);
1685 snd_hda_codec_setup_stream(codec
, nids
[HDA_FRONT
], stream_tag
, 0, format
);
1687 /* headphone out will just decode front left/right (stereo) */
1688 snd_hda_codec_setup_stream(codec
, mout
->hp_nid
, stream_tag
, 0, format
);
1690 for (i
= 1; i
< mout
->num_dacs
; i
++) {
1691 if (i
== HDA_REAR
&& chs
== 2) /* copy front to rear */
1692 snd_hda_codec_setup_stream(codec
, nids
[i
], stream_tag
, 0, format
);
1693 else if (chs
>= (i
+ 1) * 2) /* independent out */
1694 snd_hda_codec_setup_stream(codec
, nids
[i
], stream_tag
, i
* 2,
1701 * clean up the setting for analog out
1703 int snd_hda_multi_out_analog_cleanup(struct hda_codec
*codec
, struct hda_multi_out
*mout
)
1705 hda_nid_t
*nids
= mout
->dac_nids
;
1708 for (i
= 0; i
< mout
->num_dacs
; i
++)
1709 snd_hda_codec_setup_stream(codec
, nids
[i
], 0, 0, 0);
1711 snd_hda_codec_setup_stream(codec
, mout
->hp_nid
, 0, 0, 0);
1712 down(&codec
->spdif_mutex
);
1713 if (mout
->dig_out_nid
&& mout
->dig_out_used
== HDA_DIG_ANALOG_DUP
) {
1714 snd_hda_codec_setup_stream(codec
, mout
->dig_out_nid
, 0, 0, 0);
1715 mout
->dig_out_used
= 0;
1717 up(&codec
->spdif_mutex
);
1727 * snd_hda_suspend - suspend the codecs
1729 * @state: suspsend state
1731 * Returns 0 if successful.
1733 int snd_hda_suspend(struct hda_bus
*bus
, pm_message_t state
)
1735 struct list_head
*p
;
1737 /* FIXME: should handle power widget capabilities */
1738 list_for_each(p
, &bus
->codec_list
) {
1739 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
1740 if (codec
->patch_ops
.suspend
)
1741 codec
->patch_ops
.suspend(codec
, state
);
1747 * snd_hda_resume - resume the codecs
1749 * @state: resume state
1751 * Returns 0 if successful.
1753 int snd_hda_resume(struct hda_bus
*bus
)
1755 struct list_head
*p
;
1757 list_for_each(p
, &bus
->codec_list
) {
1758 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
1759 if (codec
->patch_ops
.resume
)
1760 codec
->patch_ops
.resume(codec
);
1766 * snd_hda_resume_ctls - resume controls in the new control list
1767 * @codec: the HDA codec
1768 * @knew: the array of snd_kcontrol_new_t
1770 * This function resumes the mixer controls in the snd_kcontrol_new_t array,
1771 * originally for snd_hda_add_new_ctls().
1772 * The array must be terminated with an empty entry as terminator.
1774 int snd_hda_resume_ctls(struct hda_codec
*codec
, snd_kcontrol_new_t
*knew
)
1776 snd_ctl_elem_value_t
*val
;
1778 val
= kmalloc(sizeof(*val
), GFP_KERNEL
);
1781 codec
->in_resume
= 1;
1782 for (; knew
->name
; knew
++) {
1784 count
= knew
->count
? knew
->count
: 1;
1785 for (i
= 0; i
< count
; i
++) {
1786 memset(val
, 0, sizeof(*val
));
1787 val
->id
.iface
= knew
->iface
;
1788 val
->id
.device
= knew
->device
;
1789 val
->id
.subdevice
= knew
->subdevice
;
1790 strcpy(val
->id
.name
, knew
->name
);
1791 val
->id
.index
= knew
->index
? knew
->index
: i
;
1792 /* Assume that get callback reads only from cache,
1793 * not accessing to the real hardware
1795 if (snd_ctl_elem_read(codec
->bus
->card
, val
) < 0)
1797 snd_ctl_elem_write(codec
->bus
->card
, NULL
, val
);
1800 codec
->in_resume
= 0;
1806 * snd_hda_resume_spdif_out - resume the digital out
1807 * @codec: the HDA codec
1809 int snd_hda_resume_spdif_out(struct hda_codec
*codec
)
1811 return snd_hda_resume_ctls(codec
, dig_mixes
);
1815 * snd_hda_resume_spdif_in - resume the digital in
1816 * @codec: the HDA codec
1818 int snd_hda_resume_spdif_in(struct hda_codec
*codec
)
1820 return snd_hda_resume_ctls(codec
, dig_in_ctls
);
1825 * symbols exported for controller modules
1827 EXPORT_SYMBOL(snd_hda_codec_read
);
1828 EXPORT_SYMBOL(snd_hda_codec_write
);
1829 EXPORT_SYMBOL(snd_hda_sequence_write
);
1830 EXPORT_SYMBOL(snd_hda_get_sub_nodes
);
1831 EXPORT_SYMBOL(snd_hda_queue_unsol_event
);
1832 EXPORT_SYMBOL(snd_hda_bus_new
);
1833 EXPORT_SYMBOL(snd_hda_codec_new
);
1834 EXPORT_SYMBOL(snd_hda_codec_setup_stream
);
1835 EXPORT_SYMBOL(snd_hda_calc_stream_format
);
1836 EXPORT_SYMBOL(snd_hda_build_pcms
);
1837 EXPORT_SYMBOL(snd_hda_build_controls
);
1839 EXPORT_SYMBOL(snd_hda_suspend
);
1840 EXPORT_SYMBOL(snd_hda_resume
);
1847 static int __init
alsa_hda_init(void)
1852 static void __exit
alsa_hda_exit(void)
1856 module_init(alsa_hda_init
)
1857 module_exit(alsa_hda_exit
)