2 * Universal Interface for Intel High Definition Audio Codec
4 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
7 * This driver is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This driver is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include <sound/driver.h>
23 #include <linux/init.h>
24 #include <linux/delay.h>
25 #include <linux/slab.h>
26 #include <linux/pci.h>
27 #include <linux/moduleparam.h>
28 #include <sound/core.h>
29 #include "hda_codec.h"
30 #include <sound/asoundef.h>
31 #include <sound/initval.h>
32 #include "hda_local.h"
35 MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
36 MODULE_DESCRIPTION("Universal interface for High Definition Audio Codec");
37 MODULE_LICENSE("GPL");
41 * vendor / preset table
44 struct hda_vendor_id
{
49 /* codec vendor labels */
50 static struct hda_vendor_id hda_vendor_ids
[] = {
51 { 0x10ec, "Realtek" },
52 { 0x11d4, "Analog Devices" },
53 { 0x13f6, "C-Media" },
54 { 0x434d, "C-Media" },
55 { 0x8384, "SigmaTel" },
60 #include "hda_patch.h"
64 * snd_hda_codec_read - send a command and get the response
65 * @codec: the HDA codec
66 * @nid: NID to send the command
67 * @direct: direct flag
68 * @verb: the verb to send
69 * @parm: the parameter for the verb
71 * Send a single command and read the corresponding response.
73 * Returns the obtained response value, or -1 for an error.
75 unsigned int snd_hda_codec_read(struct hda_codec
*codec
, hda_nid_t nid
, int direct
,
76 unsigned int verb
, unsigned int parm
)
79 down(&codec
->bus
->cmd_mutex
);
80 if (! codec
->bus
->ops
.command(codec
, nid
, direct
, verb
, parm
))
81 res
= codec
->bus
->ops
.get_response(codec
);
83 res
= (unsigned int)-1;
84 up(&codec
->bus
->cmd_mutex
);
89 * snd_hda_codec_write - send a single command without waiting for response
90 * @codec: the HDA codec
91 * @nid: NID to send the command
92 * @direct: direct flag
93 * @verb: the verb to send
94 * @parm: the parameter for the verb
96 * Send a single command without waiting for response.
98 * Returns 0 if successful, or a negative error code.
100 int snd_hda_codec_write(struct hda_codec
*codec
, hda_nid_t nid
, int direct
,
101 unsigned int verb
, unsigned int parm
)
104 down(&codec
->bus
->cmd_mutex
);
105 err
= codec
->bus
->ops
.command(codec
, nid
, direct
, verb
, parm
);
106 up(&codec
->bus
->cmd_mutex
);
111 * snd_hda_sequence_write - sequence writes
112 * @codec: the HDA codec
113 * @seq: VERB array to send
115 * Send the commands sequentially from the given array.
116 * The array must be terminated with NID=0.
118 void snd_hda_sequence_write(struct hda_codec
*codec
, const struct hda_verb
*seq
)
120 for (; seq
->nid
; seq
++)
121 snd_hda_codec_write(codec
, seq
->nid
, 0, seq
->verb
, seq
->param
);
125 * snd_hda_get_sub_nodes - get the range of sub nodes
126 * @codec: the HDA codec
128 * @start_id: the pointer to store the start NID
130 * Parse the NID and store the start NID of its sub-nodes.
131 * Returns the number of sub-nodes.
133 int snd_hda_get_sub_nodes(struct hda_codec
*codec
, hda_nid_t nid
, hda_nid_t
*start_id
)
137 parm
= snd_hda_param_read(codec
, nid
, AC_PAR_NODE_COUNT
);
138 *start_id
= (parm
>> 16) & 0x7fff;
139 return (int)(parm
& 0x7fff);
143 * snd_hda_get_connections - get connection list
144 * @codec: the HDA codec
146 * @conn_list: connection list array
147 * @max_conns: max. number of connections to store
149 * Parses the connection list of the given widget and stores the list
152 * Returns the number of connections, or a negative error code.
154 int snd_hda_get_connections(struct hda_codec
*codec
, hda_nid_t nid
,
155 hda_nid_t
*conn_list
, int max_conns
)
158 int i
, j
, conn_len
, num_tupples
, conns
;
159 unsigned int shift
, num_elems
, mask
;
161 snd_assert(conn_list
&& max_conns
> 0, return -EINVAL
);
163 parm
= snd_hda_param_read(codec
, nid
, AC_PAR_CONNLIST_LEN
);
164 if (parm
& AC_CLIST_LONG
) {
173 conn_len
= parm
& AC_CLIST_LENGTH
;
174 num_tupples
= num_elems
/ 2;
175 mask
= (1 << (shift
-1)) - 1;
178 return 0; /* no connection */
181 /* single connection */
182 parm
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_CONNECT_LIST
, 0);
183 conn_list
[0] = parm
& mask
;
187 /* multi connection */
189 for (i
= 0; i
< conn_len
; i
+= num_elems
) {
190 parm
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_CONNECT_LIST
, i
);
191 for (j
= 0; j
< num_tupples
; j
++) {
193 hda_nid_t val1
, val2
, n
;
194 range_val
= parm
& (1 << (shift
-1)); /* ranges */
200 /* ranges between val1 and val2 */
202 snd_printk(KERN_WARNING
"hda_codec: invalid dep_range_val %x:%x\n", val1
, val2
);
205 for (n
= val1
; n
<= val2
; n
++) {
206 if (conns
>= max_conns
)
208 conn_list
[conns
++] = n
;
213 if (conns
>= max_conns
)
215 conn_list
[conns
++] = val1
;
218 if (conns
>= max_conns
)
220 conn_list
[conns
++] = val2
;
229 * snd_hda_queue_unsol_event - add an unsolicited event to queue
231 * @res: unsolicited event (lower 32bit of RIRB entry)
232 * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
234 * Adds the given event to the queue. The events are processed in
235 * the workqueue asynchronously. Call this function in the interrupt
236 * hanlder when RIRB receives an unsolicited event.
238 * Returns 0 if successful, or a negative error code.
240 int snd_hda_queue_unsol_event(struct hda_bus
*bus
, u32 res
, u32 res_ex
)
242 struct hda_bus_unsolicited
*unsol
;
245 if ((unsol
= bus
->unsol
) == NULL
)
248 wp
= (unsol
->wp
+ 1) % HDA_UNSOL_QUEUE_SIZE
;
252 unsol
->queue
[wp
] = res
;
253 unsol
->queue
[wp
+ 1] = res_ex
;
255 queue_work(unsol
->workq
, &unsol
->work
);
261 * process queueud unsolicited events
263 static void process_unsol_events(void *data
)
265 struct hda_bus
*bus
= data
;
266 struct hda_bus_unsolicited
*unsol
= bus
->unsol
;
267 struct hda_codec
*codec
;
268 unsigned int rp
, caddr
, res
;
270 while (unsol
->rp
!= unsol
->wp
) {
271 rp
= (unsol
->rp
+ 1) % HDA_UNSOL_QUEUE_SIZE
;
274 res
= unsol
->queue
[rp
];
275 caddr
= unsol
->queue
[rp
+ 1];
276 if (! (caddr
& (1 << 4))) /* no unsolicited event? */
278 codec
= bus
->caddr_tbl
[caddr
& 0x0f];
279 if (codec
&& codec
->patch_ops
.unsol_event
)
280 codec
->patch_ops
.unsol_event(codec
, res
);
285 * initialize unsolicited queue
287 static int init_unsol_queue(struct hda_bus
*bus
)
289 struct hda_bus_unsolicited
*unsol
;
291 unsol
= kcalloc(1, sizeof(*unsol
), GFP_KERNEL
);
293 snd_printk(KERN_ERR
"hda_codec: can't allocate unsolicited queue\n");
296 unsol
->workq
= create_workqueue("hda_codec");
297 if (! unsol
->workq
) {
298 snd_printk(KERN_ERR
"hda_codec: can't create workqueue\n");
302 INIT_WORK(&unsol
->work
, process_unsol_events
, bus
);
310 static void snd_hda_codec_free(struct hda_codec
*codec
);
312 static int snd_hda_bus_free(struct hda_bus
*bus
)
314 struct list_head
*p
, *n
;
319 destroy_workqueue(bus
->unsol
->workq
);
322 list_for_each_safe(p
, n
, &bus
->codec_list
) {
323 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
324 snd_hda_codec_free(codec
);
326 if (bus
->ops
.private_free
)
327 bus
->ops
.private_free(bus
);
332 static int snd_hda_bus_dev_free(snd_device_t
*device
)
334 struct hda_bus
*bus
= device
->device_data
;
335 return snd_hda_bus_free(bus
);
339 * snd_hda_bus_new - create a HDA bus
340 * @card: the card entry
341 * @temp: the template for hda_bus information
342 * @busp: the pointer to store the created bus instance
344 * Returns 0 if successful, or a negative error code.
346 int snd_hda_bus_new(snd_card_t
*card
, const struct hda_bus_template
*temp
,
347 struct hda_bus
**busp
)
351 static snd_device_ops_t dev_ops
= {
352 .dev_free
= snd_hda_bus_dev_free
,
355 snd_assert(temp
, return -EINVAL
);
356 snd_assert(temp
->ops
.command
&& temp
->ops
.get_response
, return -EINVAL
);
361 bus
= kcalloc(1, sizeof(*bus
), GFP_KERNEL
);
363 snd_printk(KERN_ERR
"can't allocate struct hda_bus\n");
368 bus
->private_data
= temp
->private_data
;
369 bus
->pci
= temp
->pci
;
370 bus
->modelname
= temp
->modelname
;
371 bus
->ops
= temp
->ops
;
373 init_MUTEX(&bus
->cmd_mutex
);
374 INIT_LIST_HEAD(&bus
->codec_list
);
376 init_unsol_queue(bus
);
378 if ((err
= snd_device_new(card
, SNDRV_DEV_BUS
, bus
, &dev_ops
)) < 0) {
379 snd_hda_bus_free(bus
);
389 * find a matching codec preset
391 static const struct hda_codec_preset
*find_codec_preset(struct hda_codec
*codec
)
393 const struct hda_codec_preset
**tbl
, *preset
;
395 for (tbl
= hda_preset_tables
; *tbl
; tbl
++) {
396 for (preset
= *tbl
; preset
->id
; preset
++) {
397 u32 mask
= preset
->mask
;
400 if (preset
->id
== (codec
->vendor_id
& mask
))
408 * snd_hda_get_codec_name - store the codec name
410 void snd_hda_get_codec_name(struct hda_codec
*codec
,
411 char *name
, int namelen
)
413 const struct hda_vendor_id
*c
;
414 const char *vendor
= NULL
;
415 u16 vendor_id
= codec
->vendor_id
>> 16;
418 for (c
= hda_vendor_ids
; c
->id
; c
++) {
419 if (c
->id
== vendor_id
) {
425 sprintf(tmp
, "Generic %04x", vendor_id
);
428 if (codec
->preset
&& codec
->preset
->name
)
429 snprintf(name
, namelen
, "%s %s", vendor
, codec
->preset
->name
);
431 snprintf(name
, namelen
, "%s ID %x", vendor
, codec
->vendor_id
& 0xffff);
435 * look for an AFG node
437 * return 0 if not found
439 static int look_for_afg_node(struct hda_codec
*codec
)
444 total_nodes
= snd_hda_get_sub_nodes(codec
, AC_NODE_ROOT
, &nid
);
445 for (i
= 0; i
< total_nodes
; i
++, nid
++) {
446 if ((snd_hda_param_read(codec
, nid
, AC_PAR_FUNCTION_TYPE
) & 0xff) ==
447 AC_GRP_AUDIO_FUNCTION
)
456 static void snd_hda_codec_free(struct hda_codec
*codec
)
460 list_del(&codec
->list
);
461 codec
->bus
->caddr_tbl
[codec
->addr
] = NULL
;
462 if (codec
->patch_ops
.free
)
463 codec
->patch_ops
.free(codec
);
467 static void init_amp_hash(struct hda_codec
*codec
);
470 * snd_hda_codec_new - create a HDA codec
471 * @bus: the bus to assign
472 * @codec_addr: the codec address
473 * @codecp: the pointer to store the generated codec
475 * Returns 0 if successful, or a negative error code.
477 int snd_hda_codec_new(struct hda_bus
*bus
, unsigned int codec_addr
,
478 struct hda_codec
**codecp
)
480 struct hda_codec
*codec
;
484 snd_assert(bus
, return -EINVAL
);
485 snd_assert(codec_addr
<= HDA_MAX_CODEC_ADDRESS
, return -EINVAL
);
487 if (bus
->caddr_tbl
[codec_addr
]) {
488 snd_printk(KERN_ERR
"hda_codec: address 0x%x is already occupied\n", codec_addr
);
492 codec
= kcalloc(1, sizeof(*codec
), GFP_KERNEL
);
494 snd_printk(KERN_ERR
"can't allocate struct hda_codec\n");
499 codec
->addr
= codec_addr
;
500 init_MUTEX(&codec
->spdif_mutex
);
501 init_amp_hash(codec
);
503 list_add_tail(&codec
->list
, &bus
->codec_list
);
504 bus
->caddr_tbl
[codec_addr
] = codec
;
506 codec
->vendor_id
= snd_hda_param_read(codec
, AC_NODE_ROOT
, AC_PAR_VENDOR_ID
);
507 codec
->subsystem_id
= snd_hda_param_read(codec
, AC_NODE_ROOT
, AC_PAR_SUBSYSTEM_ID
);
508 codec
->revision_id
= snd_hda_param_read(codec
, AC_NODE_ROOT
, AC_PAR_REV_ID
);
510 /* FIXME: support for multiple AFGs? */
511 codec
->afg
= look_for_afg_node(codec
);
513 snd_printdd("hda_codec: no AFG node found\n");
514 snd_hda_codec_free(codec
);
518 codec
->preset
= find_codec_preset(codec
);
519 if (! *bus
->card
->mixername
)
520 snd_hda_get_codec_name(codec
, bus
->card
->mixername
,
521 sizeof(bus
->card
->mixername
));
523 if (codec
->preset
&& codec
->preset
->patch
)
524 err
= codec
->preset
->patch(codec
);
526 err
= snd_hda_parse_generic_codec(codec
);
528 snd_hda_codec_free(codec
);
532 snd_hda_codec_proc_new(codec
);
534 sprintf(component
, "HDA:%08x", codec
->vendor_id
);
535 snd_component_add(codec
->bus
->card
, component
);
543 * snd_hda_codec_setup_stream - set up the codec for streaming
544 * @codec: the CODEC to set up
545 * @nid: the NID to set up
546 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
547 * @channel_id: channel id to pass, zero based.
548 * @format: stream format.
550 void snd_hda_codec_setup_stream(struct hda_codec
*codec
, hda_nid_t nid
, u32 stream_tag
,
551 int channel_id
, int format
)
556 snd_printdd("hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
557 nid
, stream_tag
, channel_id
, format
);
558 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_CHANNEL_STREAMID
,
559 (stream_tag
<< 4) | channel_id
);
561 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_STREAM_FORMAT
, format
);
566 * amp access functions
569 #define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + (idx) * 32 + (dir) * 64)
570 #define INFO_AMP_CAPS (1<<0)
571 #define INFO_AMP_VOL (1<<1)
573 /* initialize the hash table */
574 static void init_amp_hash(struct hda_codec
*codec
)
576 memset(codec
->amp_hash
, 0xff, sizeof(codec
->amp_hash
));
577 codec
->num_amp_entries
= 0;
580 /* query the hash. allocate an entry if not found. */
581 static struct hda_amp_info
*get_alloc_amp_hash(struct hda_codec
*codec
, u32 key
)
583 u16 idx
= key
% (u16
)ARRAY_SIZE(codec
->amp_hash
);
584 u16 cur
= codec
->amp_hash
[idx
];
585 struct hda_amp_info
*info
;
587 while (cur
!= 0xffff) {
588 info
= &codec
->amp_info
[cur
];
589 if (info
->key
== key
)
594 /* add a new hash entry */
595 if (codec
->num_amp_entries
>= ARRAY_SIZE(codec
->amp_info
)) {
596 snd_printk(KERN_ERR
"hda_codec: Tooooo many amps!\n");
599 cur
= codec
->num_amp_entries
++;
600 info
= &codec
->amp_info
[cur
];
602 info
->status
= 0; /* not initialized yet */
603 info
->next
= codec
->amp_hash
[idx
];
604 codec
->amp_hash
[idx
] = cur
;
610 * query AMP capabilities for the given widget and direction
612 static u32
query_amp_caps(struct hda_codec
*codec
, hda_nid_t nid
, int direction
)
614 struct hda_amp_info
*info
= get_alloc_amp_hash(codec
, HDA_HASH_KEY(nid
, direction
, 0));
618 if (! (info
->status
& INFO_AMP_CAPS
)) {
619 if (!(snd_hda_param_read(codec
, nid
, AC_PAR_AUDIO_WIDGET_CAP
) & AC_WCAP_AMP_OVRD
))
621 info
->amp_caps
= snd_hda_param_read(codec
, nid
, direction
== HDA_OUTPUT
?
622 AC_PAR_AMP_OUT_CAP
: AC_PAR_AMP_IN_CAP
);
623 info
->status
|= INFO_AMP_CAPS
;
625 return info
->amp_caps
;
629 * read the current volume to info
630 * if the cache exists, read from the cache.
632 static void get_vol_mute(struct hda_codec
*codec
, struct hda_amp_info
*info
,
633 hda_nid_t nid
, int ch
, int direction
, int index
)
637 if (info
->status
& (INFO_AMP_VOL
<< ch
))
640 parm
= ch
? AC_AMP_GET_RIGHT
: AC_AMP_GET_LEFT
;
641 parm
|= direction
== HDA_OUTPUT
? AC_AMP_GET_OUTPUT
: AC_AMP_GET_INPUT
;
643 val
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_AMP_GAIN_MUTE
, parm
);
644 info
->vol
[ch
] = val
& 0xff;
645 info
->status
|= INFO_AMP_VOL
<< ch
;
649 * write the current volume in info to the h/w
651 static void put_vol_mute(struct hda_codec
*codec
,
652 hda_nid_t nid
, int ch
, int direction
, int index
, int val
)
656 parm
= ch
? AC_AMP_SET_RIGHT
: AC_AMP_SET_LEFT
;
657 parm
|= direction
== HDA_OUTPUT
? AC_AMP_SET_OUTPUT
: AC_AMP_SET_INPUT
;
658 parm
|= index
<< AC_AMP_SET_INDEX_SHIFT
;
660 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_AMP_GAIN_MUTE
, parm
);
664 * read/write AMP value. The volume is between 0 to 0x7f, 0x80 = mute bit.
666 static int snd_hda_codec_amp_read(struct hda_codec
*codec
, hda_nid_t nid
, int ch
, int direction
, int index
)
668 struct hda_amp_info
*info
= get_alloc_amp_hash(codec
, HDA_HASH_KEY(nid
, direction
, index
));
671 get_vol_mute(codec
, info
, nid
, ch
, direction
, index
);
672 return info
->vol
[ch
];
675 static int snd_hda_codec_amp_write(struct hda_codec
*codec
, hda_nid_t nid
, int ch
, int direction
, int idx
, int val
)
677 struct hda_amp_info
*info
= get_alloc_amp_hash(codec
, HDA_HASH_KEY(nid
, direction
, idx
));
680 get_vol_mute(codec
, info
, nid
, ch
, direction
, idx
);
681 if (info
->vol
[ch
] == val
&& ! codec
->in_resume
)
683 put_vol_mute(codec
, nid
, ch
, direction
, idx
, val
);
690 * AMP control callbacks
692 /* retrieve parameters from private_value */
693 #define get_amp_nid(kc) ((kc)->private_value & 0xffff)
694 #define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3)
695 #define get_amp_direction(kc) (((kc)->private_value >> 18) & 0x1)
696 #define get_amp_index(kc) (((kc)->private_value >> 19) & 0xf)
699 int snd_hda_mixer_amp_volume_info(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_info_t
*uinfo
)
701 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
702 u16 nid
= get_amp_nid(kcontrol
);
703 u8 chs
= get_amp_channels(kcontrol
);
704 int dir
= get_amp_direction(kcontrol
);
707 caps
= query_amp_caps(codec
, nid
, dir
);
708 caps
= (caps
& AC_AMPCAP_NUM_STEPS
) >> AC_AMPCAP_NUM_STEPS_SHIFT
; /* num steps */
710 printk(KERN_WARNING
"hda_codec: num_steps = 0 for NID=0x%x\n", nid
);
713 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_INTEGER
;
714 uinfo
->count
= chs
== 3 ? 2 : 1;
715 uinfo
->value
.integer
.min
= 0;
716 uinfo
->value
.integer
.max
= caps
;
720 int snd_hda_mixer_amp_volume_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
722 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
723 hda_nid_t nid
= get_amp_nid(kcontrol
);
724 int chs
= get_amp_channels(kcontrol
);
725 int dir
= get_amp_direction(kcontrol
);
726 int idx
= get_amp_index(kcontrol
);
727 long *valp
= ucontrol
->value
.integer
.value
;
730 *valp
++ = snd_hda_codec_amp_read(codec
, nid
, 0, dir
, idx
) & 0x7f;
732 *valp
= snd_hda_codec_amp_read(codec
, nid
, 1, dir
, idx
) & 0x7f;
736 int snd_hda_mixer_amp_volume_put(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
738 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
739 hda_nid_t nid
= get_amp_nid(kcontrol
);
740 int chs
= get_amp_channels(kcontrol
);
741 int dir
= get_amp_direction(kcontrol
);
742 int idx
= get_amp_index(kcontrol
);
744 long *valp
= ucontrol
->value
.integer
.value
;
749 val
|= snd_hda_codec_amp_read(codec
, nid
, 0, dir
, idx
) & 0x80;
750 change
= snd_hda_codec_amp_write(codec
, nid
, 0, dir
, idx
, val
);
755 val
|= snd_hda_codec_amp_read(codec
, nid
, 1, dir
, idx
) & 0x80;
756 change
|= snd_hda_codec_amp_write(codec
, nid
, 1, dir
, idx
, val
);
762 int snd_hda_mixer_amp_switch_info(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_info_t
*uinfo
)
764 int chs
= get_amp_channels(kcontrol
);
766 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_BOOLEAN
;
767 uinfo
->count
= chs
== 3 ? 2 : 1;
768 uinfo
->value
.integer
.min
= 0;
769 uinfo
->value
.integer
.max
= 1;
773 int snd_hda_mixer_amp_switch_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
775 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
776 hda_nid_t nid
= get_amp_nid(kcontrol
);
777 int chs
= get_amp_channels(kcontrol
);
778 int dir
= get_amp_direction(kcontrol
);
779 int idx
= get_amp_index(kcontrol
);
780 long *valp
= ucontrol
->value
.integer
.value
;
783 *valp
++ = (snd_hda_codec_amp_read(codec
, nid
, 0, dir
, idx
) & 0x80) ? 0 : 1;
785 *valp
= (snd_hda_codec_amp_read(codec
, nid
, 1, dir
, idx
) & 0x80) ? 0 : 1;
789 int snd_hda_mixer_amp_switch_put(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
791 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
792 hda_nid_t nid
= get_amp_nid(kcontrol
);
793 int chs
= get_amp_channels(kcontrol
);
794 int dir
= get_amp_direction(kcontrol
);
795 int idx
= get_amp_index(kcontrol
);
797 long *valp
= ucontrol
->value
.integer
.value
;
801 val
= snd_hda_codec_amp_read(codec
, nid
, 0, dir
, idx
) & 0x7f;
802 val
|= *valp
? 0 : 0x80;
803 change
= snd_hda_codec_amp_write(codec
, nid
, 0, dir
, idx
, val
);
807 val
= snd_hda_codec_amp_read(codec
, nid
, 1, dir
, idx
) & 0x7f;
808 val
|= *valp
? 0 : 0x80;
809 change
= snd_hda_codec_amp_write(codec
, nid
, 1, dir
, idx
, val
);
818 static int snd_hda_spdif_mask_info(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_info_t
*uinfo
)
820 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_IEC958
;
825 static int snd_hda_spdif_cmask_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
827 ucontrol
->value
.iec958
.status
[0] = IEC958_AES0_PROFESSIONAL
|
828 IEC958_AES0_NONAUDIO
|
829 IEC958_AES0_CON_EMPHASIS_5015
|
830 IEC958_AES0_CON_NOT_COPYRIGHT
;
831 ucontrol
->value
.iec958
.status
[1] = IEC958_AES1_CON_CATEGORY
|
832 IEC958_AES1_CON_ORIGINAL
;
836 static int snd_hda_spdif_pmask_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
838 ucontrol
->value
.iec958
.status
[0] = IEC958_AES0_PROFESSIONAL
|
839 IEC958_AES0_NONAUDIO
|
840 IEC958_AES0_PRO_EMPHASIS_5015
;
844 static int snd_hda_spdif_default_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
846 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
848 ucontrol
->value
.iec958
.status
[0] = codec
->spdif_status
& 0xff;
849 ucontrol
->value
.iec958
.status
[1] = (codec
->spdif_status
>> 8) & 0xff;
850 ucontrol
->value
.iec958
.status
[2] = (codec
->spdif_status
>> 16) & 0xff;
851 ucontrol
->value
.iec958
.status
[3] = (codec
->spdif_status
>> 24) & 0xff;
856 /* convert from SPDIF status bits to HDA SPDIF bits
857 * bit 0 (DigEn) is always set zero (to be filled later)
859 static unsigned short convert_from_spdif_status(unsigned int sbits
)
861 unsigned short val
= 0;
863 if (sbits
& IEC958_AES0_PROFESSIONAL
)
865 if (sbits
& IEC958_AES0_NONAUDIO
)
867 if (sbits
& IEC958_AES0_PROFESSIONAL
) {
868 if ((sbits
& IEC958_AES0_PRO_EMPHASIS
) == IEC958_AES0_PRO_EMPHASIS_5015
)
871 if ((sbits
& IEC958_AES0_CON_EMPHASIS
) == IEC958_AES0_CON_EMPHASIS_5015
)
873 if (! (sbits
& IEC958_AES0_CON_NOT_COPYRIGHT
))
875 if (sbits
& (IEC958_AES1_CON_ORIGINAL
<< 8))
877 val
|= sbits
& (IEC958_AES1_CON_CATEGORY
<< 8);
882 /* convert to SPDIF status bits from HDA SPDIF bits
884 static unsigned int convert_to_spdif_status(unsigned short val
)
886 unsigned int sbits
= 0;
889 sbits
|= IEC958_AES0_NONAUDIO
;
891 sbits
|= IEC958_AES0_PROFESSIONAL
;
892 if (sbits
& IEC958_AES0_PROFESSIONAL
) {
893 if (sbits
& (1 << 3))
894 sbits
|= IEC958_AES0_PRO_EMPHASIS_5015
;
897 sbits
|= IEC958_AES0_CON_EMPHASIS_5015
;
898 if (! (val
& (1 << 4)))
899 sbits
|= IEC958_AES0_CON_NOT_COPYRIGHT
;
901 sbits
|= (IEC958_AES1_CON_ORIGINAL
<< 8);
902 sbits
|= val
& (0x7f << 8);
907 static int snd_hda_spdif_default_put(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
909 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
910 hda_nid_t nid
= kcontrol
->private_value
;
914 down(&codec
->spdif_mutex
);
915 codec
->spdif_status
= ucontrol
->value
.iec958
.status
[0] |
916 ((unsigned int)ucontrol
->value
.iec958
.status
[1] << 8) |
917 ((unsigned int)ucontrol
->value
.iec958
.status
[2] << 16) |
918 ((unsigned int)ucontrol
->value
.iec958
.status
[3] << 24);
919 val
= convert_from_spdif_status(codec
->spdif_status
);
920 val
|= codec
->spdif_ctls
& 1;
921 change
= codec
->spdif_ctls
!= val
;
922 codec
->spdif_ctls
= val
;
924 if (change
|| codec
->in_resume
) {
925 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_DIGI_CONVERT_1
, val
& 0xff);
926 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_DIGI_CONVERT_2
, val
>> 8);
929 up(&codec
->spdif_mutex
);
933 static int snd_hda_spdif_out_switch_info(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_info_t
*uinfo
)
935 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_BOOLEAN
;
937 uinfo
->value
.integer
.min
= 0;
938 uinfo
->value
.integer
.max
= 1;
942 static int snd_hda_spdif_out_switch_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
944 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
946 ucontrol
->value
.integer
.value
[0] = codec
->spdif_ctls
& 1;
950 static int snd_hda_spdif_out_switch_put(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
952 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
953 hda_nid_t nid
= kcontrol
->private_value
;
957 down(&codec
->spdif_mutex
);
958 val
= codec
->spdif_ctls
& ~1;
959 if (ucontrol
->value
.integer
.value
[0])
961 change
= codec
->spdif_ctls
!= val
;
962 if (change
|| codec
->in_resume
) {
963 codec
->spdif_ctls
= val
;
964 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_DIGI_CONVERT_1
, val
& 0xff);
965 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_AMP_GAIN_MUTE
,
966 AC_AMP_SET_RIGHT
| AC_AMP_SET_LEFT
|
967 AC_AMP_SET_OUTPUT
| ((val
& 1) ? 0 : 0x80));
969 up(&codec
->spdif_mutex
);
973 static snd_kcontrol_new_t dig_mixes
[] = {
975 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
976 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
977 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,CON_MASK
),
978 .info
= snd_hda_spdif_mask_info
,
979 .get
= snd_hda_spdif_cmask_get
,
982 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
983 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
984 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,PRO_MASK
),
985 .info
= snd_hda_spdif_mask_info
,
986 .get
= snd_hda_spdif_pmask_get
,
989 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
990 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,DEFAULT
),
991 .info
= snd_hda_spdif_mask_info
,
992 .get
= snd_hda_spdif_default_get
,
993 .put
= snd_hda_spdif_default_put
,
996 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
997 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,SWITCH
),
998 .info
= snd_hda_spdif_out_switch_info
,
999 .get
= snd_hda_spdif_out_switch_get
,
1000 .put
= snd_hda_spdif_out_switch_put
,
1006 * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1007 * @codec: the HDA codec
1008 * @nid: audio out widget NID
1010 * Creates controls related with the SPDIF output.
1011 * Called from each patch supporting the SPDIF out.
1013 * Returns 0 if successful, or a negative error code.
1015 int snd_hda_create_spdif_out_ctls(struct hda_codec
*codec
, hda_nid_t nid
)
1018 snd_kcontrol_t
*kctl
;
1019 snd_kcontrol_new_t
*dig_mix
;
1021 for (dig_mix
= dig_mixes
; dig_mix
->name
; dig_mix
++) {
1022 kctl
= snd_ctl_new1(dig_mix
, codec
);
1023 kctl
->private_value
= nid
;
1024 if ((err
= snd_ctl_add(codec
->bus
->card
, kctl
)) < 0)
1027 codec
->spdif_ctls
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_DIGI_CONVERT
, 0);
1028 codec
->spdif_status
= convert_to_spdif_status(codec
->spdif_ctls
);
1036 #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
1038 static int snd_hda_spdif_in_switch_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
1040 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1042 ucontrol
->value
.integer
.value
[0] = codec
->spdif_in_enable
;
1046 static int snd_hda_spdif_in_switch_put(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
1048 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1049 hda_nid_t nid
= kcontrol
->private_value
;
1050 unsigned int val
= !!ucontrol
->value
.integer
.value
[0];
1053 down(&codec
->spdif_mutex
);
1054 change
= codec
->spdif_in_enable
!= val
;
1055 if (change
|| codec
->in_resume
) {
1056 codec
->spdif_in_enable
= val
;
1057 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_DIGI_CONVERT_1
, val
);
1059 up(&codec
->spdif_mutex
);
1063 static int snd_hda_spdif_in_status_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
1065 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1066 hda_nid_t nid
= kcontrol
->private_value
;
1070 val
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_DIGI_CONVERT
, 0);
1071 sbits
= convert_to_spdif_status(val
);
1072 ucontrol
->value
.iec958
.status
[0] = sbits
;
1073 ucontrol
->value
.iec958
.status
[1] = sbits
>> 8;
1074 ucontrol
->value
.iec958
.status
[2] = sbits
>> 16;
1075 ucontrol
->value
.iec958
.status
[3] = sbits
>> 24;
1079 static snd_kcontrol_new_t dig_in_ctls
[] = {
1081 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1082 .name
= SNDRV_CTL_NAME_IEC958("",CAPTURE
,SWITCH
),
1083 .info
= snd_hda_spdif_in_switch_info
,
1084 .get
= snd_hda_spdif_in_switch_get
,
1085 .put
= snd_hda_spdif_in_switch_put
,
1088 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
1089 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1090 .name
= SNDRV_CTL_NAME_IEC958("",CAPTURE
,DEFAULT
),
1091 .info
= snd_hda_spdif_mask_info
,
1092 .get
= snd_hda_spdif_in_status_get
,
1098 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1099 * @codec: the HDA codec
1100 * @nid: audio in widget NID
1102 * Creates controls related with the SPDIF input.
1103 * Called from each patch supporting the SPDIF in.
1105 * Returns 0 if successful, or a negative error code.
1107 int snd_hda_create_spdif_in_ctls(struct hda_codec
*codec
, hda_nid_t nid
)
1110 snd_kcontrol_t
*kctl
;
1111 snd_kcontrol_new_t
*dig_mix
;
1113 for (dig_mix
= dig_in_ctls
; dig_mix
->name
; dig_mix
++) {
1114 kctl
= snd_ctl_new1(dig_mix
, codec
);
1115 kctl
->private_value
= nid
;
1116 if ((err
= snd_ctl_add(codec
->bus
->card
, kctl
)) < 0)
1119 codec
->spdif_in_enable
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_DIGI_CONVERT
, 0) & 1;
1125 * snd_hda_build_controls - build mixer controls
1128 * Creates mixer controls for each codec included in the bus.
1130 * Returns 0 if successful, otherwise a negative error code.
1132 int snd_hda_build_controls(struct hda_bus
*bus
)
1134 struct list_head
*p
;
1136 /* build controls */
1137 list_for_each(p
, &bus
->codec_list
) {
1138 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
1140 if (! codec
->patch_ops
.build_controls
)
1142 err
= codec
->patch_ops
.build_controls(codec
);
1148 list_for_each(p
, &bus
->codec_list
) {
1149 struct hda_codec
*codec
= list_entry(p
, struct hda_codec
, list
);
1151 if (! codec
->patch_ops
.init
)
1153 err
= codec
->patch_ops
.init(codec
);
1164 static unsigned int rate_bits
[][3] = {
1165 /* rate in Hz, ALSA rate bitmask, HDA format value */
1166 { 8000, SNDRV_PCM_RATE_8000
, 0x0500 }, /* 1/6 x 48 */
1167 { 11025, SNDRV_PCM_RATE_11025
, 0x4300 }, /* 1/4 x 44 */
1168 { 16000, SNDRV_PCM_RATE_16000
, 0x0200 }, /* 1/3 x 48 */
1169 { 22050, SNDRV_PCM_RATE_22050
, 0x4100 }, /* 1/2 x 44 */
1170 { 32000, SNDRV_PCM_RATE_32000
, 0x0a00 }, /* 2/3 x 48 */
1171 { 44100, SNDRV_PCM_RATE_44100
, 0x4000 }, /* 44 */
1172 { 48000, SNDRV_PCM_RATE_48000
, 0x0000 }, /* 48 */
1173 { 88200, SNDRV_PCM_RATE_88200
, 0x4800 }, /* 2 x 44 */
1174 { 96000, SNDRV_PCM_RATE_96000
, 0x0800 }, /* 2 x 48 */
1175 { 176400, SNDRV_PCM_RATE_176400
, 0x5800 },/* 4 x 44 */
1176 { 192000, SNDRV_PCM_RATE_192000
, 0x1800 }, /* 4 x 48 */
1181 * snd_hda_calc_stream_format - calculate format bitset
1182 * @rate: the sample rate
1183 * @channels: the number of channels
1184 * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
1185 * @maxbps: the max. bps
1187 * Calculate the format bitset from the given rate, channels and th PCM format.
1189 * Return zero if invalid.
1191 unsigned int snd_hda_calc_stream_format(unsigned int rate
,
1192 unsigned int channels
,
1193 unsigned int format
,
1194 unsigned int maxbps
)
1197 unsigned int val
= 0;
1199 for (i
= 0; rate_bits
[i
][0]; i
++)
1200 if (rate_bits
[i
][0] == rate
) {
1201 val
= rate_bits
[i
][2];
1204 if (! rate_bits
[i
][0]) {
1205 snd_printdd("invalid rate %d\n", rate
);
1209 if (channels
== 0 || channels
> 8) {
1210 snd_printdd("invalid channels %d\n", channels
);
1213 val
|= channels
- 1;
1215 switch (snd_pcm_format_width(format
)) {
1216 case 8: val
|= 0x00; break;
1217 case 16: val
|= 0x10; break;
1223 else if (maxbps
>= 24)
1229 snd_printdd("invalid format width %d\n", snd_pcm_format_width(format
));
1237 * snd_hda_query_supported_pcm - query the supported PCM rates and formats
1238 * @codec: the HDA codec
1239 * @nid: NID to query
1240 * @ratesp: the pointer to store the detected rate bitflags
1241 * @formatsp: the pointer to store the detected formats
1242 * @bpsp: the pointer to store the detected format widths
1244 * Queries the supported PCM rates and formats. The NULL @ratesp, @formatsp
1245 * or @bsps argument is ignored.
1247 * Returns 0 if successful, otherwise a negative error code.
1249 int snd_hda_query_supported_pcm(struct hda_codec
*codec
, hda_nid_t nid
,
1250 u32
*ratesp
, u64
*formatsp
, unsigned int *bpsp
)
1253 unsigned int val
, streams
;
1256 if (nid
!= codec
->afg
&&
1257 snd_hda_param_read(codec
, nid
, AC_PAR_AUDIO_WIDGET_CAP
) & AC_WCAP_FORMAT_OVRD
) {
1258 val
= snd_hda_param_read(codec
, nid
, AC_PAR_PCM
);
1263 val
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_PCM
);
1267 for (i
= 0; rate_bits
[i
][0]; i
++) {
1269 rates
|= rate_bits
[i
][1];
1274 if (formatsp
|| bpsp
) {
1279 wcaps
= snd_hda_param_read(codec
, nid
, AC_PAR_AUDIO_WIDGET_CAP
);
1280 streams
= snd_hda_param_read(codec
, nid
, AC_PAR_STREAM
);
1284 streams
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_STREAM
);
1290 if (streams
& AC_SUPFMT_PCM
) {
1291 if (val
& AC_SUPPCM_BITS_8
) {
1292 formats
|= SNDRV_PCM_FMTBIT_U8
;
1295 if (val
& AC_SUPPCM_BITS_16
) {
1296 formats
|= SNDRV_PCM_FMTBIT_S16_LE
;
1299 if (wcaps
& AC_WCAP_DIGITAL
) {
1300 if (val
& AC_SUPPCM_BITS_32
)
1301 formats
|= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE
;
1302 if (val
& (AC_SUPPCM_BITS_20
|AC_SUPPCM_BITS_24
))
1303 formats
|= SNDRV_PCM_FMTBIT_S32_LE
;
1304 if (val
& AC_SUPPCM_BITS_24
)
1306 else if (val
& AC_SUPPCM_BITS_20
)
1308 } else if (val
& (AC_SUPPCM_BITS_20
|AC_SUPPCM_BITS_24
|AC_SUPPCM_BITS_32
)) {
1309 formats
|= SNDRV_PCM_FMTBIT_S32_LE
;
1310 if (val
& AC_SUPPCM_BITS_32
)
1312 else if (val
& AC_SUPPCM_BITS_20
)
1314 else if (val
& AC_SUPPCM_BITS_24
)
1318 else if (streams
== AC_SUPFMT_FLOAT32
) { /* should be exclusive */
1319 formats
|= SNDRV_PCM_FMTBIT_FLOAT_LE
;
1321 } else if (streams
== AC_SUPFMT_AC3
) { /* should be exclusive */
1322 /* temporary hack: we have still no proper support
1323 * for the direct AC3 stream...
1325 formats
|= SNDRV_PCM_FMTBIT_U8
;
1329 *formatsp
= formats
;
1338 * snd_hda_is_supported_format - check whether the given node supports the format val
1340 * Returns 1 if supported, 0 if not.
1342 int snd_hda_is_supported_format(struct hda_codec
*codec
, hda_nid_t nid
,
1343 unsigned int format
)
1346 unsigned int val
= 0, rate
, stream
;
1348 if (nid
!= codec
->afg
&&
1349 snd_hda_param_read(codec
, nid
, AC_PAR_AUDIO_WIDGET_CAP
) & AC_WCAP_FORMAT_OVRD
) {
1350 val
= snd_hda_param_read(codec
, nid
, AC_PAR_PCM
);
1355 val
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_PCM
);
1360 rate
= format
& 0xff00;
1361 for (i
= 0; rate_bits
[i
][0]; i
++)
1362 if (rate_bits
[i
][2] == rate
) {
1367 if (! rate_bits
[i
][0])
1370 stream
= snd_hda_param_read(codec
, nid
, AC_PAR_STREAM
);
1373 if (! stream
&& nid
!= codec
->afg
)
1374 stream
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_STREAM
);
1375 if (! stream
|| stream
== -1)
1378 if (stream
& AC_SUPFMT_PCM
) {
1379 switch (format
& 0xf0) {
1381 if (! (val
& AC_SUPPCM_BITS_8
))
1385 if (! (val
& AC_SUPPCM_BITS_16
))
1389 if (! (val
& AC_SUPPCM_BITS_20
))
1393 if (! (val
& AC_SUPPCM_BITS_24
))
1397 if (! (val
& AC_SUPPCM_BITS_32
))
1404 /* FIXME: check for float32 and AC3? */
1413 static int hda_pcm_default_open_close(struct hda_pcm_stream
*hinfo
,
1414 struct hda_codec
*codec
,
1415 snd_pcm_substream_t
*substream
)
1420 static int hda_pcm_default_prepare(struct hda_pcm_stream
*hinfo
,
1421 struct hda_codec
*codec
,
1422 unsigned int stream_tag
,
1423 unsigned int format
,
1424 snd_pcm_substream_t
*substream
)
1426 snd_hda_codec_setup_stream(codec
, hinfo
->nid
, stream_tag
, 0, format
);
1430 static int hda_pcm_default_cleanup(struct hda_pcm_stream
*hinfo
,
1431 struct hda_codec
*codec
,
1432 snd_pcm_substream_t
*substream
)
1434 snd_hda_codec_setup_stream(codec
, hinfo
->nid
, 0, 0, 0);
1438 static int set_pcm_default_values(struct hda_codec
*codec
, struct hda_pcm_stream
*info
)
1441 /* query support PCM information from the given NID */
1442 if (! info
->rates
|| ! info
->formats
)
1443 snd_hda_query_supported_pcm(codec
, info
->nid
,
1444 info
->rates
? NULL
: &info
->rates
,
1445 info
->formats
? NULL
: &info
->formats
,
1446 info
->maxbps
? NULL
: &info
->maxbps
);
1448 if (info
->ops
.open
== NULL
)
1449 info
->ops
.open
= hda_pcm_default_open_close
;
1450 if (info
->ops
.close
== NULL
)
1451 info
->ops
.close
= hda_pcm_default_open_close
;
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_subvendor
; 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_subvendor
; c
++) {
1548 if (c
->pci_subvendor
== subsystem_vendor
&&
1549 c
->pci_subdevice
== 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
)