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
23 #include <linux/init.h>
24 #include <linux/delay.h>
25 #include <linux/slab.h>
26 #include <linux/pci.h>
27 #include <linux/mutex.h>
28 #include <linux/module.h>
29 #include <sound/core.h>
30 #include "hda_codec.h"
31 #include <sound/asoundef.h>
32 #include <sound/tlv.h>
33 #include <sound/initval.h>
34 #include <sound/jack.h>
35 #include "hda_local.h"
38 #include <sound/hda_hwdep.h>
40 #define CREATE_TRACE_POINTS
41 #include "hda_trace.h"
44 * vendor / preset table
47 struct hda_vendor_id
{
52 /* codec vendor labels */
53 static struct hda_vendor_id hda_vendor_ids
[] = {
55 { 0x1013, "Cirrus Logic" },
56 { 0x1057, "Motorola" },
57 { 0x1095, "Silicon Image" },
59 { 0x10ec, "Realtek" },
60 { 0x1102, "Creative" },
64 { 0x11d4, "Analog Devices" },
65 { 0x13f6, "C-Media" },
66 { 0x14f1, "Conexant" },
67 { 0x17e8, "Chrontel" },
69 { 0x1aec, "Wolfson Microelectronics" },
70 { 0x434d, "C-Media" },
72 { 0x8384, "SigmaTel" },
76 static DEFINE_MUTEX(preset_mutex
);
77 static LIST_HEAD(hda_preset_tables
);
79 int snd_hda_add_codec_preset(struct hda_codec_preset_list
*preset
)
81 mutex_lock(&preset_mutex
);
82 list_add_tail(&preset
->list
, &hda_preset_tables
);
83 mutex_unlock(&preset_mutex
);
86 EXPORT_SYMBOL_HDA(snd_hda_add_codec_preset
);
88 int snd_hda_delete_codec_preset(struct hda_codec_preset_list
*preset
)
90 mutex_lock(&preset_mutex
);
91 list_del(&preset
->list
);
92 mutex_unlock(&preset_mutex
);
95 EXPORT_SYMBOL_HDA(snd_hda_delete_codec_preset
);
98 #define codec_in_pm(codec) ((codec)->in_pm)
99 static void hda_power_work(struct work_struct
*work
);
100 static void hda_keep_power_on(struct hda_codec
*codec
);
101 #define hda_codec_is_power_on(codec) ((codec)->power_on)
102 static inline void hda_call_pm_notify(struct hda_bus
*bus
, bool power_up
)
104 if (bus
->ops
.pm_notify
)
105 bus
->ops
.pm_notify(bus
, power_up
);
108 #define codec_in_pm(codec) 0
109 static inline void hda_keep_power_on(struct hda_codec
*codec
) {}
110 #define hda_codec_is_power_on(codec) 1
111 #define hda_call_pm_notify(bus, state) {}
115 * snd_hda_get_jack_location - Give a location string of the jack
116 * @cfg: pin default config value
118 * Parse the pin default config value and returns the string of the
119 * jack location, e.g. "Rear", "Front", etc.
121 const char *snd_hda_get_jack_location(u32 cfg
)
123 static char *bases
[7] = {
124 "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
126 static unsigned char specials_idx
[] = {
131 static char *specials
[] = {
132 "Rear Panel", "Drive Bar",
133 "Riser", "HDMI", "ATAPI",
134 "Mobile-In", "Mobile-Out"
137 cfg
= (cfg
& AC_DEFCFG_LOCATION
) >> AC_DEFCFG_LOCATION_SHIFT
;
138 if ((cfg
& 0x0f) < 7)
139 return bases
[cfg
& 0x0f];
140 for (i
= 0; i
< ARRAY_SIZE(specials_idx
); i
++) {
141 if (cfg
== specials_idx
[i
])
146 EXPORT_SYMBOL_HDA(snd_hda_get_jack_location
);
149 * snd_hda_get_jack_connectivity - Give a connectivity string of the jack
150 * @cfg: pin default config value
152 * Parse the pin default config value and returns the string of the
153 * jack connectivity, i.e. external or internal connection.
155 const char *snd_hda_get_jack_connectivity(u32 cfg
)
157 static char *jack_locations
[4] = { "Ext", "Int", "Sep", "Oth" };
159 return jack_locations
[(cfg
>> (AC_DEFCFG_LOCATION_SHIFT
+ 4)) & 3];
161 EXPORT_SYMBOL_HDA(snd_hda_get_jack_connectivity
);
164 * snd_hda_get_jack_type - Give a type string of the jack
165 * @cfg: pin default config value
167 * Parse the pin default config value and returns the string of the
168 * jack type, i.e. the purpose of the jack, such as Line-Out or CD.
170 const char *snd_hda_get_jack_type(u32 cfg
)
172 static char *jack_types
[16] = {
173 "Line Out", "Speaker", "HP Out", "CD",
174 "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
175 "Line In", "Aux", "Mic", "Telephony",
176 "SPDIF In", "Digitial In", "Reserved", "Other"
179 return jack_types
[(cfg
& AC_DEFCFG_DEVICE
)
180 >> AC_DEFCFG_DEVICE_SHIFT
];
182 EXPORT_SYMBOL_HDA(snd_hda_get_jack_type
);
185 * Compose a 32bit command word to be sent to the HD-audio controller
187 static inline unsigned int
188 make_codec_cmd(struct hda_codec
*codec
, hda_nid_t nid
, int direct
,
189 unsigned int verb
, unsigned int parm
)
193 if ((codec
->addr
& ~0xf) || (direct
& ~1) || (nid
& ~0x7f) ||
194 (verb
& ~0xfff) || (parm
& ~0xffff)) {
195 printk(KERN_ERR
"hda-codec: out of range cmd %x:%x:%x:%x:%x\n",
196 codec
->addr
, direct
, nid
, verb
, parm
);
200 val
= (u32
)codec
->addr
<< 28;
201 val
|= (u32
)direct
<< 27;
202 val
|= (u32
)nid
<< 20;
209 * Send and receive a verb
211 static int codec_exec_verb(struct hda_codec
*codec
, unsigned int cmd
,
214 struct hda_bus
*bus
= codec
->bus
;
223 snd_hda_power_up(codec
);
224 mutex_lock(&bus
->cmd_mutex
);
225 trace_hda_send_cmd(codec
, cmd
);
226 err
= bus
->ops
.command(bus
, cmd
);
228 *res
= bus
->ops
.get_response(bus
, codec
->addr
);
229 trace_hda_get_response(codec
, *res
);
231 mutex_unlock(&bus
->cmd_mutex
);
232 snd_hda_power_down(codec
);
233 if (!codec_in_pm(codec
) && res
&& *res
== -1 && bus
->rirb_error
) {
234 if (bus
->response_reset
) {
235 snd_printd("hda_codec: resetting BUS due to "
236 "fatal communication error\n");
237 trace_hda_bus_reset(bus
);
238 bus
->ops
.bus_reset(bus
);
242 /* clear reset-flag when the communication gets recovered */
243 if (!err
|| codec_in_pm(codec
))
244 bus
->response_reset
= 0;
249 * snd_hda_codec_read - send a command and get the response
250 * @codec: the HDA codec
251 * @nid: NID to send the command
252 * @direct: direct flag
253 * @verb: the verb to send
254 * @parm: the parameter for the verb
256 * Send a single command and read the corresponding response.
258 * Returns the obtained response value, or -1 for an error.
260 unsigned int snd_hda_codec_read(struct hda_codec
*codec
, hda_nid_t nid
,
262 unsigned int verb
, unsigned int parm
)
264 unsigned cmd
= make_codec_cmd(codec
, nid
, direct
, verb
, parm
);
266 if (codec_exec_verb(codec
, cmd
, &res
))
270 EXPORT_SYMBOL_HDA(snd_hda_codec_read
);
273 * snd_hda_codec_write - send a single command without waiting for response
274 * @codec: the HDA codec
275 * @nid: NID to send the command
276 * @direct: direct flag
277 * @verb: the verb to send
278 * @parm: the parameter for the verb
280 * Send a single command without waiting for response.
282 * Returns 0 if successful, or a negative error code.
284 int snd_hda_codec_write(struct hda_codec
*codec
, hda_nid_t nid
, int direct
,
285 unsigned int verb
, unsigned int parm
)
287 unsigned int cmd
= make_codec_cmd(codec
, nid
, direct
, verb
, parm
);
289 return codec_exec_verb(codec
, cmd
,
290 codec
->bus
->sync_write
? &res
: NULL
);
292 EXPORT_SYMBOL_HDA(snd_hda_codec_write
);
295 * snd_hda_sequence_write - sequence writes
296 * @codec: the HDA codec
297 * @seq: VERB array to send
299 * Send the commands sequentially from the given array.
300 * The array must be terminated with NID=0.
302 void snd_hda_sequence_write(struct hda_codec
*codec
, const struct hda_verb
*seq
)
304 for (; seq
->nid
; seq
++)
305 snd_hda_codec_write(codec
, seq
->nid
, 0, seq
->verb
, seq
->param
);
307 EXPORT_SYMBOL_HDA(snd_hda_sequence_write
);
310 * snd_hda_get_sub_nodes - get the range of sub nodes
311 * @codec: the HDA codec
313 * @start_id: the pointer to store the start NID
315 * Parse the NID and store the start NID of its sub-nodes.
316 * Returns the number of sub-nodes.
318 int snd_hda_get_sub_nodes(struct hda_codec
*codec
, hda_nid_t nid
,
323 parm
= snd_hda_param_read(codec
, nid
, AC_PAR_NODE_COUNT
);
326 *start_id
= (parm
>> 16) & 0x7fff;
327 return (int)(parm
& 0x7fff);
329 EXPORT_SYMBOL_HDA(snd_hda_get_sub_nodes
);
331 /* look up the cached results */
332 static hda_nid_t
*lookup_conn_list(struct snd_array
*array
, hda_nid_t nid
)
335 for (i
= 0; i
< array
->used
; ) {
336 hda_nid_t
*p
= snd_array_elem(array
, i
);
345 /* read the connection and add to the cache */
346 static int read_and_add_raw_conns(struct hda_codec
*codec
, hda_nid_t nid
)
348 hda_nid_t list
[HDA_MAX_CONNECTIONS
];
351 len
= snd_hda_get_raw_connections(codec
, nid
, list
, ARRAY_SIZE(list
));
354 return snd_hda_override_conn_list(codec
, nid
, len
, list
);
358 * snd_hda_get_connections - copy connection list
359 * @codec: the HDA codec
361 * @conn_list: connection list array; when NULL, checks only the size
362 * @max_conns: max. number of connections to store
364 * Parses the connection list of the given widget and stores the list
367 * Returns the number of connections, or a negative error code.
369 int snd_hda_get_connections(struct hda_codec
*codec
, hda_nid_t nid
,
370 hda_nid_t
*conn_list
, int max_conns
)
372 struct snd_array
*array
= &codec
->conn_lists
;
378 mutex_lock(&codec
->hash_mutex
);
380 /* if the connection-list is already cached, read it */
381 p
= lookup_conn_list(array
, nid
);
384 if (conn_list
&& len
> max_conns
) {
385 snd_printk(KERN_ERR
"hda_codec: "
386 "Too many connections %d for NID 0x%x\n",
388 mutex_unlock(&codec
->hash_mutex
);
391 if (conn_list
&& len
)
392 memcpy(conn_list
, p
+ 2, len
* sizeof(hda_nid_t
));
394 mutex_unlock(&codec
->hash_mutex
);
397 if (snd_BUG_ON(added
))
400 len
= read_and_add_raw_conns(codec
, nid
);
406 EXPORT_SYMBOL_HDA(snd_hda_get_connections
);
409 * snd_hda_get_raw_connections - copy connection list without cache
410 * @codec: the HDA codec
412 * @conn_list: connection list array
413 * @max_conns: max. number of connections to store
415 * Like snd_hda_get_connections(), copy the connection list but without
416 * checking through the connection-list cache.
417 * Currently called only from hda_proc.c, so not exported.
419 int snd_hda_get_raw_connections(struct hda_codec
*codec
, hda_nid_t nid
,
420 hda_nid_t
*conn_list
, int max_conns
)
423 int i
, conn_len
, conns
;
424 unsigned int shift
, num_elems
, mask
;
428 if (snd_BUG_ON(!conn_list
|| max_conns
<= 0))
431 wcaps
= get_wcaps(codec
, nid
);
432 if (!(wcaps
& AC_WCAP_CONN_LIST
) &&
433 get_wcaps_type(wcaps
) != AC_WID_VOL_KNB
)
436 parm
= snd_hda_param_read(codec
, nid
, AC_PAR_CONNLIST_LEN
);
437 if (parm
& AC_CLIST_LONG
) {
446 conn_len
= parm
& AC_CLIST_LENGTH
;
447 mask
= (1 << (shift
-1)) - 1;
450 return 0; /* no connection */
453 /* single connection */
454 parm
= snd_hda_codec_read(codec
, nid
, 0,
455 AC_VERB_GET_CONNECT_LIST
, 0);
456 if (parm
== -1 && codec
->bus
->rirb_error
)
458 conn_list
[0] = parm
& mask
;
462 /* multi connection */
465 for (i
= 0; i
< conn_len
; i
++) {
469 if (i
% num_elems
== 0) {
470 parm
= snd_hda_codec_read(codec
, nid
, 0,
471 AC_VERB_GET_CONNECT_LIST
, i
);
472 if (parm
== -1 && codec
->bus
->rirb_error
)
475 range_val
= !!(parm
& (1 << (shift
-1))); /* ranges */
478 snd_printk(KERN_WARNING
"hda_codec: "
479 "invalid CONNECT_LIST verb %x[%i]:%x\n",
485 /* ranges between the previous and this one */
486 if (!prev_nid
|| prev_nid
>= val
) {
487 snd_printk(KERN_WARNING
"hda_codec: "
488 "invalid dep_range_val %x:%x\n",
492 for (n
= prev_nid
+ 1; n
<= val
; n
++) {
493 if (conns
>= max_conns
) {
494 snd_printk(KERN_ERR
"hda_codec: "
495 "Too many connections %d for NID 0x%x\n",
499 conn_list
[conns
++] = n
;
502 if (conns
>= max_conns
) {
503 snd_printk(KERN_ERR
"hda_codec: "
504 "Too many connections %d for NID 0x%x\n",
508 conn_list
[conns
++] = val
;
515 static bool add_conn_list(struct snd_array
*array
, hda_nid_t nid
)
517 hda_nid_t
*p
= snd_array_new(array
);
525 * snd_hda_override_conn_list - add/modify the connection-list to cache
526 * @codec: the HDA codec
528 * @len: number of connection list entries
529 * @list: the list of connection entries
531 * Add or modify the given connection-list to the cache. If the corresponding
532 * cache already exists, invalidate it and append a new one.
534 * Returns zero or a negative error code.
536 int snd_hda_override_conn_list(struct hda_codec
*codec
, hda_nid_t nid
, int len
,
537 const hda_nid_t
*list
)
539 struct snd_array
*array
= &codec
->conn_lists
;
543 mutex_lock(&codec
->hash_mutex
);
544 p
= lookup_conn_list(array
, nid
);
546 *p
= -1; /* invalidate the old entry */
548 old_used
= array
->used
;
549 if (!add_conn_list(array
, nid
) || !add_conn_list(array
, len
))
551 for (i
= 0; i
< len
; i
++)
552 if (!add_conn_list(array
, list
[i
]))
554 mutex_unlock(&codec
->hash_mutex
);
558 array
->used
= old_used
;
559 mutex_unlock(&codec
->hash_mutex
);
562 EXPORT_SYMBOL_HDA(snd_hda_override_conn_list
);
565 * snd_hda_get_conn_index - get the connection index of the given NID
566 * @codec: the HDA codec
567 * @mux: NID containing the list
568 * @nid: NID to select
569 * @recursive: 1 when searching NID recursively, otherwise 0
571 * Parses the connection list of the widget @mux and checks whether the
572 * widget @nid is present. If it is, return the connection index.
573 * Otherwise it returns -1.
575 int snd_hda_get_conn_index(struct hda_codec
*codec
, hda_nid_t mux
,
576 hda_nid_t nid
, int recursive
)
578 hda_nid_t conn
[HDA_MAX_NUM_INPUTS
];
581 nums
= snd_hda_get_connections(codec
, mux
, conn
, ARRAY_SIZE(conn
));
582 for (i
= 0; i
< nums
; i
++)
588 snd_printd("hda_codec: too deep connection for 0x%x\n", nid
);
592 for (i
= 0; i
< nums
; i
++) {
593 unsigned int type
= get_wcaps_type(get_wcaps(codec
, conn
[i
]));
594 if (type
== AC_WID_PIN
|| type
== AC_WID_AUD_OUT
)
596 if (snd_hda_get_conn_index(codec
, conn
[i
], nid
, recursive
) >= 0)
601 EXPORT_SYMBOL_HDA(snd_hda_get_conn_index
);
604 * snd_hda_queue_unsol_event - add an unsolicited event to queue
606 * @res: unsolicited event (lower 32bit of RIRB entry)
607 * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
609 * Adds the given event to the queue. The events are processed in
610 * the workqueue asynchronously. Call this function in the interrupt
611 * hanlder when RIRB receives an unsolicited event.
613 * Returns 0 if successful, or a negative error code.
615 int snd_hda_queue_unsol_event(struct hda_bus
*bus
, u32 res
, u32 res_ex
)
617 struct hda_bus_unsolicited
*unsol
;
620 trace_hda_unsol_event(bus
, res
, res_ex
);
625 wp
= (unsol
->wp
+ 1) % HDA_UNSOL_QUEUE_SIZE
;
629 unsol
->queue
[wp
] = res
;
630 unsol
->queue
[wp
+ 1] = res_ex
;
632 queue_work(bus
->workq
, &unsol
->work
);
636 EXPORT_SYMBOL_HDA(snd_hda_queue_unsol_event
);
639 * process queued unsolicited events
641 static void process_unsol_events(struct work_struct
*work
)
643 struct hda_bus_unsolicited
*unsol
=
644 container_of(work
, struct hda_bus_unsolicited
, work
);
645 struct hda_bus
*bus
= unsol
->bus
;
646 struct hda_codec
*codec
;
647 unsigned int rp
, caddr
, res
;
649 while (unsol
->rp
!= unsol
->wp
) {
650 rp
= (unsol
->rp
+ 1) % HDA_UNSOL_QUEUE_SIZE
;
653 res
= unsol
->queue
[rp
];
654 caddr
= unsol
->queue
[rp
+ 1];
655 if (!(caddr
& (1 << 4))) /* no unsolicited event? */
657 codec
= bus
->caddr_tbl
[caddr
& 0x0f];
658 if (codec
&& codec
->patch_ops
.unsol_event
)
659 codec
->patch_ops
.unsol_event(codec
, res
);
664 * initialize unsolicited queue
666 static int init_unsol_queue(struct hda_bus
*bus
)
668 struct hda_bus_unsolicited
*unsol
;
670 if (bus
->unsol
) /* already initialized */
673 unsol
= kzalloc(sizeof(*unsol
), GFP_KERNEL
);
675 snd_printk(KERN_ERR
"hda_codec: "
676 "can't allocate unsolicited queue\n");
679 INIT_WORK(&unsol
->work
, process_unsol_events
);
688 static void snd_hda_codec_free(struct hda_codec
*codec
);
690 static int snd_hda_bus_free(struct hda_bus
*bus
)
692 struct hda_codec
*codec
, *n
;
697 flush_workqueue(bus
->workq
);
700 list_for_each_entry_safe(codec
, n
, &bus
->codec_list
, list
) {
701 snd_hda_codec_free(codec
);
703 if (bus
->ops
.private_free
)
704 bus
->ops
.private_free(bus
);
706 destroy_workqueue(bus
->workq
);
711 static int snd_hda_bus_dev_free(struct snd_device
*device
)
713 struct hda_bus
*bus
= device
->device_data
;
715 return snd_hda_bus_free(bus
);
718 #ifdef CONFIG_SND_HDA_HWDEP
719 static int snd_hda_bus_dev_register(struct snd_device
*device
)
721 struct hda_bus
*bus
= device
->device_data
;
722 struct hda_codec
*codec
;
723 list_for_each_entry(codec
, &bus
->codec_list
, list
) {
724 snd_hda_hwdep_add_sysfs(codec
);
725 snd_hda_hwdep_add_power_sysfs(codec
);
730 #define snd_hda_bus_dev_register NULL
734 * snd_hda_bus_new - create a HDA bus
735 * @card: the card entry
736 * @temp: the template for hda_bus information
737 * @busp: the pointer to store the created bus instance
739 * Returns 0 if successful, or a negative error code.
741 int /*__devinit*/ snd_hda_bus_new(struct snd_card
*card
,
742 const struct hda_bus_template
*temp
,
743 struct hda_bus
**busp
)
747 static struct snd_device_ops dev_ops
= {
748 .dev_register
= snd_hda_bus_dev_register
,
749 .dev_free
= snd_hda_bus_dev_free
,
752 if (snd_BUG_ON(!temp
))
754 if (snd_BUG_ON(!temp
->ops
.command
|| !temp
->ops
.get_response
))
760 bus
= kzalloc(sizeof(*bus
), GFP_KERNEL
);
762 snd_printk(KERN_ERR
"can't allocate struct hda_bus\n");
767 bus
->private_data
= temp
->private_data
;
768 bus
->pci
= temp
->pci
;
769 bus
->modelname
= temp
->modelname
;
770 bus
->power_save
= temp
->power_save
;
771 bus
->ops
= temp
->ops
;
773 mutex_init(&bus
->cmd_mutex
);
774 mutex_init(&bus
->prepare_mutex
);
775 INIT_LIST_HEAD(&bus
->codec_list
);
777 snprintf(bus
->workq_name
, sizeof(bus
->workq_name
),
778 "hd-audio%d", card
->number
);
779 bus
->workq
= create_singlethread_workqueue(bus
->workq_name
);
781 snd_printk(KERN_ERR
"cannot create workqueue %s\n",
787 err
= snd_device_new(card
, SNDRV_DEV_BUS
, bus
, &dev_ops
);
789 snd_hda_bus_free(bus
);
796 EXPORT_SYMBOL_HDA(snd_hda_bus_new
);
798 #ifdef CONFIG_SND_HDA_GENERIC
799 #define is_generic_config(codec) \
800 (codec->modelname && !strcmp(codec->modelname, "generic"))
802 #define is_generic_config(codec) 0
806 #define HDA_MODREQ_MAX_COUNT 2 /* two request_modules()'s */
808 #define HDA_MODREQ_MAX_COUNT 0 /* all presets are statically linked */
812 * find a matching codec preset
814 static const struct hda_codec_preset
*
815 find_codec_preset(struct hda_codec
*codec
)
817 struct hda_codec_preset_list
*tbl
;
818 const struct hda_codec_preset
*preset
;
819 unsigned int mod_requested
= 0;
821 if (is_generic_config(codec
))
822 return NULL
; /* use the generic parser */
825 mutex_lock(&preset_mutex
);
826 list_for_each_entry(tbl
, &hda_preset_tables
, list
) {
827 if (!try_module_get(tbl
->owner
)) {
828 snd_printk(KERN_ERR
"hda_codec: cannot module_get\n");
831 for (preset
= tbl
->preset
; preset
->id
; preset
++) {
832 u32 mask
= preset
->mask
;
833 if (preset
->afg
&& preset
->afg
!= codec
->afg
)
835 if (preset
->mfg
&& preset
->mfg
!= codec
->mfg
)
839 if (preset
->id
== (codec
->vendor_id
& mask
) &&
841 preset
->rev
== codec
->revision_id
)) {
842 mutex_unlock(&preset_mutex
);
843 codec
->owner
= tbl
->owner
;
847 module_put(tbl
->owner
);
849 mutex_unlock(&preset_mutex
);
851 if (mod_requested
< HDA_MODREQ_MAX_COUNT
) {
854 snprintf(name
, sizeof(name
), "snd-hda-codec-id:%08x",
857 snprintf(name
, sizeof(name
), "snd-hda-codec-id:%04x*",
858 (codec
->vendor_id
>> 16) & 0xffff);
859 request_module(name
);
867 * get_codec_name - store the codec name
869 static int get_codec_name(struct hda_codec
*codec
)
871 const struct hda_vendor_id
*c
;
872 const char *vendor
= NULL
;
873 u16 vendor_id
= codec
->vendor_id
>> 16;
876 if (codec
->vendor_name
)
879 for (c
= hda_vendor_ids
; c
->id
; c
++) {
880 if (c
->id
== vendor_id
) {
886 sprintf(tmp
, "Generic %04x", vendor_id
);
889 codec
->vendor_name
= kstrdup(vendor
, GFP_KERNEL
);
890 if (!codec
->vendor_name
)
894 if (codec
->chip_name
)
897 if (codec
->preset
&& codec
->preset
->name
)
898 codec
->chip_name
= kstrdup(codec
->preset
->name
, GFP_KERNEL
);
900 sprintf(tmp
, "ID %x", codec
->vendor_id
& 0xffff);
901 codec
->chip_name
= kstrdup(tmp
, GFP_KERNEL
);
903 if (!codec
->chip_name
)
909 * look for an AFG and MFG nodes
911 static void /*__devinit*/ setup_fg_nodes(struct hda_codec
*codec
)
913 int i
, total_nodes
, function_id
;
916 total_nodes
= snd_hda_get_sub_nodes(codec
, AC_NODE_ROOT
, &nid
);
917 for (i
= 0; i
< total_nodes
; i
++, nid
++) {
918 function_id
= snd_hda_param_read(codec
, nid
,
919 AC_PAR_FUNCTION_TYPE
);
920 switch (function_id
& 0xff) {
921 case AC_GRP_AUDIO_FUNCTION
:
923 codec
->afg_function_id
= function_id
& 0xff;
924 codec
->afg_unsol
= (function_id
>> 8) & 1;
926 case AC_GRP_MODEM_FUNCTION
:
928 codec
->mfg_function_id
= function_id
& 0xff;
929 codec
->mfg_unsol
= (function_id
>> 8) & 1;
938 * read widget caps for each widget and store in cache
940 static int read_widget_caps(struct hda_codec
*codec
, hda_nid_t fg_node
)
945 codec
->num_nodes
= snd_hda_get_sub_nodes(codec
, fg_node
,
947 codec
->wcaps
= kmalloc(codec
->num_nodes
* 4, GFP_KERNEL
);
950 nid
= codec
->start_nid
;
951 for (i
= 0; i
< codec
->num_nodes
; i
++, nid
++)
952 codec
->wcaps
[i
] = snd_hda_param_read(codec
, nid
,
953 AC_PAR_AUDIO_WIDGET_CAP
);
957 /* read all pin default configurations and save codec->init_pins */
958 static int read_pin_defaults(struct hda_codec
*codec
)
961 hda_nid_t nid
= codec
->start_nid
;
963 for (i
= 0; i
< codec
->num_nodes
; i
++, nid
++) {
964 struct hda_pincfg
*pin
;
965 unsigned int wcaps
= get_wcaps(codec
, nid
);
966 unsigned int wid_type
= get_wcaps_type(wcaps
);
967 if (wid_type
!= AC_WID_PIN
)
969 pin
= snd_array_new(&codec
->init_pins
);
973 pin
->cfg
= snd_hda_codec_read(codec
, nid
, 0,
974 AC_VERB_GET_CONFIG_DEFAULT
, 0);
975 pin
->ctrl
= snd_hda_codec_read(codec
, nid
, 0,
976 AC_VERB_GET_PIN_WIDGET_CONTROL
,
982 /* look up the given pin config list and return the item matching with NID */
983 static struct hda_pincfg
*look_up_pincfg(struct hda_codec
*codec
,
984 struct snd_array
*array
,
988 for (i
= 0; i
< array
->used
; i
++) {
989 struct hda_pincfg
*pin
= snd_array_elem(array
, i
);
996 /* write a config value for the given NID */
997 static void set_pincfg(struct hda_codec
*codec
, hda_nid_t nid
,
1001 for (i
= 0; i
< 4; i
++) {
1002 snd_hda_codec_write(codec
, nid
, 0,
1003 AC_VERB_SET_CONFIG_DEFAULT_BYTES_0
+ i
,
1009 /* set the current pin config value for the given NID.
1010 * the value is cached, and read via snd_hda_codec_get_pincfg()
1012 int snd_hda_add_pincfg(struct hda_codec
*codec
, struct snd_array
*list
,
1013 hda_nid_t nid
, unsigned int cfg
)
1015 struct hda_pincfg
*pin
;
1016 unsigned int oldcfg
;
1018 if (get_wcaps_type(get_wcaps(codec
, nid
)) != AC_WID_PIN
)
1021 oldcfg
= snd_hda_codec_get_pincfg(codec
, nid
);
1022 pin
= look_up_pincfg(codec
, list
, nid
);
1024 pin
= snd_array_new(list
);
1031 /* change only when needed; e.g. if the pincfg is already present
1032 * in user_pins[], don't write it
1034 cfg
= snd_hda_codec_get_pincfg(codec
, nid
);
1036 set_pincfg(codec
, nid
, cfg
);
1041 * snd_hda_codec_set_pincfg - Override a pin default configuration
1042 * @codec: the HDA codec
1043 * @nid: NID to set the pin config
1044 * @cfg: the pin default config value
1046 * Override a pin default configuration value in the cache.
1047 * This value can be read by snd_hda_codec_get_pincfg() in a higher
1048 * priority than the real hardware value.
1050 int snd_hda_codec_set_pincfg(struct hda_codec
*codec
,
1051 hda_nid_t nid
, unsigned int cfg
)
1053 return snd_hda_add_pincfg(codec
, &codec
->driver_pins
, nid
, cfg
);
1055 EXPORT_SYMBOL_HDA(snd_hda_codec_set_pincfg
);
1058 * snd_hda_codec_get_pincfg - Obtain a pin-default configuration
1059 * @codec: the HDA codec
1060 * @nid: NID to get the pin config
1062 * Get the current pin config value of the given pin NID.
1063 * If the pincfg value is cached or overridden via sysfs or driver,
1064 * returns the cached value.
1066 unsigned int snd_hda_codec_get_pincfg(struct hda_codec
*codec
, hda_nid_t nid
)
1068 struct hda_pincfg
*pin
;
1070 #ifdef CONFIG_SND_HDA_HWDEP
1071 pin
= look_up_pincfg(codec
, &codec
->user_pins
, nid
);
1075 pin
= look_up_pincfg(codec
, &codec
->driver_pins
, nid
);
1078 pin
= look_up_pincfg(codec
, &codec
->init_pins
, nid
);
1083 EXPORT_SYMBOL_HDA(snd_hda_codec_get_pincfg
);
1085 /* restore all current pin configs */
1086 static void restore_pincfgs(struct hda_codec
*codec
)
1089 for (i
= 0; i
< codec
->init_pins
.used
; i
++) {
1090 struct hda_pincfg
*pin
= snd_array_elem(&codec
->init_pins
, i
);
1091 set_pincfg(codec
, pin
->nid
,
1092 snd_hda_codec_get_pincfg(codec
, pin
->nid
));
1097 * snd_hda_shutup_pins - Shut up all pins
1098 * @codec: the HDA codec
1100 * Clear all pin controls to shup up before suspend for avoiding click noise.
1101 * The controls aren't cached so that they can be resumed properly.
1103 void snd_hda_shutup_pins(struct hda_codec
*codec
)
1106 /* don't shut up pins when unloading the driver; otherwise it breaks
1107 * the default pin setup at the next load of the driver
1109 if (codec
->bus
->shutdown
)
1111 for (i
= 0; i
< codec
->init_pins
.used
; i
++) {
1112 struct hda_pincfg
*pin
= snd_array_elem(&codec
->init_pins
, i
);
1113 /* use read here for syncing after issuing each verb */
1114 snd_hda_codec_read(codec
, pin
->nid
, 0,
1115 AC_VERB_SET_PIN_WIDGET_CONTROL
, 0);
1117 codec
->pins_shutup
= 1;
1119 EXPORT_SYMBOL_HDA(snd_hda_shutup_pins
);
1122 /* Restore the pin controls cleared previously via snd_hda_shutup_pins() */
1123 static void restore_shutup_pins(struct hda_codec
*codec
)
1126 if (!codec
->pins_shutup
)
1128 if (codec
->bus
->shutdown
)
1130 for (i
= 0; i
< codec
->init_pins
.used
; i
++) {
1131 struct hda_pincfg
*pin
= snd_array_elem(&codec
->init_pins
, i
);
1132 snd_hda_codec_write(codec
, pin
->nid
, 0,
1133 AC_VERB_SET_PIN_WIDGET_CONTROL
,
1136 codec
->pins_shutup
= 0;
1140 static void init_hda_cache(struct hda_cache_rec
*cache
,
1141 unsigned int record_size
);
1142 static void free_hda_cache(struct hda_cache_rec
*cache
);
1144 /* restore the initial pin cfgs and release all pincfg lists */
1145 static void restore_init_pincfgs(struct hda_codec
*codec
)
1147 /* first free driver_pins and user_pins, then call restore_pincfg
1148 * so that only the values in init_pins are restored
1150 snd_array_free(&codec
->driver_pins
);
1151 #ifdef CONFIG_SND_HDA_HWDEP
1152 snd_array_free(&codec
->user_pins
);
1154 restore_pincfgs(codec
);
1155 snd_array_free(&codec
->init_pins
);
1159 * audio-converter setup caches
1161 struct hda_cvt_setup
{
1166 unsigned char active
; /* cvt is currently used */
1167 unsigned char dirty
; /* setups should be cleared */
1170 /* get or create a cache entry for the given audio converter NID */
1171 static struct hda_cvt_setup
*
1172 get_hda_cvt_setup(struct hda_codec
*codec
, hda_nid_t nid
)
1174 struct hda_cvt_setup
*p
;
1177 for (i
= 0; i
< codec
->cvt_setups
.used
; i
++) {
1178 p
= snd_array_elem(&codec
->cvt_setups
, i
);
1182 p
= snd_array_new(&codec
->cvt_setups
);
1191 static void snd_hda_codec_free(struct hda_codec
*codec
)
1195 snd_hda_jack_tbl_clear(codec
);
1196 restore_init_pincfgs(codec
);
1198 cancel_delayed_work(&codec
->power_work
);
1199 flush_workqueue(codec
->bus
->workq
);
1201 list_del(&codec
->list
);
1202 snd_array_free(&codec
->mixers
);
1203 snd_array_free(&codec
->nids
);
1204 snd_array_free(&codec
->cvt_setups
);
1205 snd_array_free(&codec
->conn_lists
);
1206 snd_array_free(&codec
->spdif_out
);
1207 codec
->bus
->caddr_tbl
[codec
->addr
] = NULL
;
1208 if (codec
->patch_ops
.free
)
1209 codec
->patch_ops
.free(codec
);
1211 if (!codec
->pm_down_notified
) /* cancel leftover refcounts */
1212 hda_call_pm_notify(codec
->bus
, false);
1214 module_put(codec
->owner
);
1215 free_hda_cache(&codec
->amp_cache
);
1216 free_hda_cache(&codec
->cmd_cache
);
1217 kfree(codec
->vendor_name
);
1218 kfree(codec
->chip_name
);
1219 kfree(codec
->modelname
);
1220 kfree(codec
->wcaps
);
1224 static bool snd_hda_codec_get_supported_ps(struct hda_codec
*codec
,
1225 hda_nid_t fg
, unsigned int power_state
);
1227 static unsigned int hda_set_power_state(struct hda_codec
*codec
,
1228 unsigned int power_state
);
1231 * snd_hda_codec_new - create a HDA codec
1232 * @bus: the bus to assign
1233 * @codec_addr: the codec address
1234 * @codecp: the pointer to store the generated codec
1236 * Returns 0 if successful, or a negative error code.
1238 int /*__devinit*/ snd_hda_codec_new(struct hda_bus
*bus
,
1239 unsigned int codec_addr
,
1240 struct hda_codec
**codecp
)
1242 struct hda_codec
*codec
;
1247 if (snd_BUG_ON(!bus
))
1249 if (snd_BUG_ON(codec_addr
> HDA_MAX_CODEC_ADDRESS
))
1252 if (bus
->caddr_tbl
[codec_addr
]) {
1253 snd_printk(KERN_ERR
"hda_codec: "
1254 "address 0x%x is already occupied\n", codec_addr
);
1258 codec
= kzalloc(sizeof(*codec
), GFP_KERNEL
);
1259 if (codec
== NULL
) {
1260 snd_printk(KERN_ERR
"can't allocate struct hda_codec\n");
1265 codec
->addr
= codec_addr
;
1266 mutex_init(&codec
->spdif_mutex
);
1267 mutex_init(&codec
->control_mutex
);
1268 mutex_init(&codec
->hash_mutex
);
1269 init_hda_cache(&codec
->amp_cache
, sizeof(struct hda_amp_info
));
1270 init_hda_cache(&codec
->cmd_cache
, sizeof(struct hda_cache_head
));
1271 snd_array_init(&codec
->mixers
, sizeof(struct hda_nid_item
), 32);
1272 snd_array_init(&codec
->nids
, sizeof(struct hda_nid_item
), 32);
1273 snd_array_init(&codec
->init_pins
, sizeof(struct hda_pincfg
), 16);
1274 snd_array_init(&codec
->driver_pins
, sizeof(struct hda_pincfg
), 16);
1275 snd_array_init(&codec
->cvt_setups
, sizeof(struct hda_cvt_setup
), 8);
1276 snd_array_init(&codec
->conn_lists
, sizeof(hda_nid_t
), 64);
1277 snd_array_init(&codec
->spdif_out
, sizeof(struct hda_spdif_out
), 16);
1280 spin_lock_init(&codec
->power_lock
);
1281 INIT_DELAYED_WORK(&codec
->power_work
, hda_power_work
);
1282 /* snd_hda_codec_new() marks the codec as power-up, and leave it as is.
1283 * the caller has to power down appropriatley after initialization
1286 hda_keep_power_on(codec
);
1287 hda_call_pm_notify(bus
, true);
1290 if (codec
->bus
->modelname
) {
1291 codec
->modelname
= kstrdup(codec
->bus
->modelname
, GFP_KERNEL
);
1292 if (!codec
->modelname
) {
1293 snd_hda_codec_free(codec
);
1298 list_add_tail(&codec
->list
, &bus
->codec_list
);
1299 bus
->caddr_tbl
[codec_addr
] = codec
;
1301 codec
->vendor_id
= snd_hda_param_read(codec
, AC_NODE_ROOT
,
1303 if (codec
->vendor_id
== -1)
1304 /* read again, hopefully the access method was corrected
1305 * in the last read...
1307 codec
->vendor_id
= snd_hda_param_read(codec
, AC_NODE_ROOT
,
1309 codec
->subsystem_id
= snd_hda_param_read(codec
, AC_NODE_ROOT
,
1310 AC_PAR_SUBSYSTEM_ID
);
1311 codec
->revision_id
= snd_hda_param_read(codec
, AC_NODE_ROOT
,
1314 setup_fg_nodes(codec
);
1315 if (!codec
->afg
&& !codec
->mfg
) {
1316 snd_printdd("hda_codec: no AFG or MFG node found\n");
1321 fg
= codec
->afg
? codec
->afg
: codec
->mfg
;
1322 err
= read_widget_caps(codec
, fg
);
1324 snd_printk(KERN_ERR
"hda_codec: cannot malloc\n");
1327 err
= read_pin_defaults(codec
);
1331 if (!codec
->subsystem_id
) {
1332 codec
->subsystem_id
=
1333 snd_hda_codec_read(codec
, fg
, 0,
1334 AC_VERB_GET_SUBSYSTEM_ID
, 0);
1338 codec
->d3_stop_clk
= snd_hda_codec_get_supported_ps(codec
, fg
,
1340 if (!codec
->d3_stop_clk
)
1341 bus
->power_keep_link_on
= 1;
1343 codec
->epss
= snd_hda_codec_get_supported_ps(codec
, fg
,
1346 /* power-up all before initialization */
1347 hda_set_power_state(codec
, AC_PWRST_D0
);
1349 snd_hda_codec_proc_new(codec
);
1351 snd_hda_create_hwdep(codec
);
1353 sprintf(component
, "HDA:%08x,%08x,%08x", codec
->vendor_id
,
1354 codec
->subsystem_id
, codec
->revision_id
);
1355 snd_component_add(codec
->bus
->card
, component
);
1362 snd_hda_codec_free(codec
);
1365 EXPORT_SYMBOL_HDA(snd_hda_codec_new
);
1368 * snd_hda_codec_configure - (Re-)configure the HD-audio codec
1369 * @codec: the HDA codec
1371 * Start parsing of the given codec tree and (re-)initialize the whole
1374 * Returns 0 if successful or a negative error code.
1376 int snd_hda_codec_configure(struct hda_codec
*codec
)
1380 codec
->preset
= find_codec_preset(codec
);
1381 if (!codec
->vendor_name
|| !codec
->chip_name
) {
1382 err
= get_codec_name(codec
);
1387 if (is_generic_config(codec
)) {
1388 err
= snd_hda_parse_generic_codec(codec
);
1391 if (codec
->preset
&& codec
->preset
->patch
) {
1392 err
= codec
->preset
->patch(codec
);
1396 /* call the default parser */
1397 err
= snd_hda_parse_generic_codec(codec
);
1399 printk(KERN_ERR
"hda-codec: No codec parser is available\n");
1402 if (!err
&& codec
->patch_ops
.unsol_event
)
1403 err
= init_unsol_queue(codec
->bus
);
1404 /* audio codec should override the mixer name */
1405 if (!err
&& (codec
->afg
|| !*codec
->bus
->card
->mixername
))
1406 snprintf(codec
->bus
->card
->mixername
,
1407 sizeof(codec
->bus
->card
->mixername
),
1408 "%s %s", codec
->vendor_name
, codec
->chip_name
);
1411 EXPORT_SYMBOL_HDA(snd_hda_codec_configure
);
1413 /* update the stream-id if changed */
1414 static void update_pcm_stream_id(struct hda_codec
*codec
,
1415 struct hda_cvt_setup
*p
, hda_nid_t nid
,
1416 u32 stream_tag
, int channel_id
)
1418 unsigned int oldval
, newval
;
1420 if (p
->stream_tag
!= stream_tag
|| p
->channel_id
!= channel_id
) {
1421 oldval
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_CONV
, 0);
1422 newval
= (stream_tag
<< 4) | channel_id
;
1423 if (oldval
!= newval
)
1424 snd_hda_codec_write(codec
, nid
, 0,
1425 AC_VERB_SET_CHANNEL_STREAMID
,
1427 p
->stream_tag
= stream_tag
;
1428 p
->channel_id
= channel_id
;
1432 /* update the format-id if changed */
1433 static void update_pcm_format(struct hda_codec
*codec
, struct hda_cvt_setup
*p
,
1434 hda_nid_t nid
, int format
)
1436 unsigned int oldval
;
1438 if (p
->format_id
!= format
) {
1439 oldval
= snd_hda_codec_read(codec
, nid
, 0,
1440 AC_VERB_GET_STREAM_FORMAT
, 0);
1441 if (oldval
!= format
) {
1443 snd_hda_codec_write(codec
, nid
, 0,
1444 AC_VERB_SET_STREAM_FORMAT
,
1447 p
->format_id
= format
;
1452 * snd_hda_codec_setup_stream - set up the codec for streaming
1453 * @codec: the CODEC to set up
1454 * @nid: the NID to set up
1455 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
1456 * @channel_id: channel id to pass, zero based.
1457 * @format: stream format.
1459 void snd_hda_codec_setup_stream(struct hda_codec
*codec
, hda_nid_t nid
,
1461 int channel_id
, int format
)
1463 struct hda_codec
*c
;
1464 struct hda_cvt_setup
*p
;
1471 snd_printdd("hda_codec_setup_stream: "
1472 "NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
1473 nid
, stream_tag
, channel_id
, format
);
1474 p
= get_hda_cvt_setup(codec
, nid
);
1478 if (codec
->pcm_format_first
)
1479 update_pcm_format(codec
, p
, nid
, format
);
1480 update_pcm_stream_id(codec
, p
, nid
, stream_tag
, channel_id
);
1481 if (!codec
->pcm_format_first
)
1482 update_pcm_format(codec
, p
, nid
, format
);
1487 /* make other inactive cvts with the same stream-tag dirty */
1488 type
= get_wcaps_type(get_wcaps(codec
, nid
));
1489 list_for_each_entry(c
, &codec
->bus
->codec_list
, list
) {
1490 for (i
= 0; i
< c
->cvt_setups
.used
; i
++) {
1491 p
= snd_array_elem(&c
->cvt_setups
, i
);
1492 if (!p
->active
&& p
->stream_tag
== stream_tag
&&
1493 get_wcaps_type(get_wcaps(c
, p
->nid
)) == type
)
1498 EXPORT_SYMBOL_HDA(snd_hda_codec_setup_stream
);
1500 static void really_cleanup_stream(struct hda_codec
*codec
,
1501 struct hda_cvt_setup
*q
);
1504 * __snd_hda_codec_cleanup_stream - clean up the codec for closing
1505 * @codec: the CODEC to clean up
1506 * @nid: the NID to clean up
1507 * @do_now: really clean up the stream instead of clearing the active flag
1509 void __snd_hda_codec_cleanup_stream(struct hda_codec
*codec
, hda_nid_t nid
,
1512 struct hda_cvt_setup
*p
;
1517 if (codec
->no_sticky_stream
)
1520 snd_printdd("hda_codec_cleanup_stream: NID=0x%x\n", nid
);
1521 p
= get_hda_cvt_setup(codec
, nid
);
1523 /* here we just clear the active flag when do_now isn't set;
1524 * actual clean-ups will be done later in
1525 * purify_inactive_streams() called from snd_hda_codec_prpapre()
1528 really_cleanup_stream(codec
, p
);
1533 EXPORT_SYMBOL_HDA(__snd_hda_codec_cleanup_stream
);
1535 static void really_cleanup_stream(struct hda_codec
*codec
,
1536 struct hda_cvt_setup
*q
)
1538 hda_nid_t nid
= q
->nid
;
1539 if (q
->stream_tag
|| q
->channel_id
)
1540 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_CHANNEL_STREAMID
, 0);
1542 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_STREAM_FORMAT
, 0
1544 memset(q
, 0, sizeof(*q
));
1548 /* clean up the all conflicting obsolete streams */
1549 static void purify_inactive_streams(struct hda_codec
*codec
)
1551 struct hda_codec
*c
;
1554 list_for_each_entry(c
, &codec
->bus
->codec_list
, list
) {
1555 for (i
= 0; i
< c
->cvt_setups
.used
; i
++) {
1556 struct hda_cvt_setup
*p
;
1557 p
= snd_array_elem(&c
->cvt_setups
, i
);
1559 really_cleanup_stream(c
, p
);
1565 /* clean up all streams; called from suspend */
1566 static void hda_cleanup_all_streams(struct hda_codec
*codec
)
1570 for (i
= 0; i
< codec
->cvt_setups
.used
; i
++) {
1571 struct hda_cvt_setup
*p
= snd_array_elem(&codec
->cvt_setups
, i
);
1573 really_cleanup_stream(codec
, p
);
1579 * amp access functions
1582 /* FIXME: more better hash key? */
1583 #define HDA_HASH_KEY(nid, dir, idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
1584 #define HDA_HASH_PINCAP_KEY(nid) (u32)((nid) + (0x02 << 24))
1585 #define HDA_HASH_PARPCM_KEY(nid) (u32)((nid) + (0x03 << 24))
1586 #define HDA_HASH_PARSTR_KEY(nid) (u32)((nid) + (0x04 << 24))
1587 #define INFO_AMP_CAPS (1<<0)
1588 #define INFO_AMP_VOL(ch) (1 << (1 + (ch)))
1590 /* initialize the hash table */
1591 static void /*__devinit*/ init_hda_cache(struct hda_cache_rec
*cache
,
1592 unsigned int record_size
)
1594 memset(cache
, 0, sizeof(*cache
));
1595 memset(cache
->hash
, 0xff, sizeof(cache
->hash
));
1596 snd_array_init(&cache
->buf
, record_size
, 64);
1599 static void free_hda_cache(struct hda_cache_rec
*cache
)
1601 snd_array_free(&cache
->buf
);
1604 /* query the hash. allocate an entry if not found. */
1605 static struct hda_cache_head
*get_hash(struct hda_cache_rec
*cache
, u32 key
)
1607 u16 idx
= key
% (u16
)ARRAY_SIZE(cache
->hash
);
1608 u16 cur
= cache
->hash
[idx
];
1609 struct hda_cache_head
*info
;
1611 while (cur
!= 0xffff) {
1612 info
= snd_array_elem(&cache
->buf
, cur
);
1613 if (info
->key
== key
)
1620 /* query the hash. allocate an entry if not found. */
1621 static struct hda_cache_head
*get_alloc_hash(struct hda_cache_rec
*cache
,
1624 struct hda_cache_head
*info
= get_hash(cache
, key
);
1627 /* add a new hash entry */
1628 info
= snd_array_new(&cache
->buf
);
1631 cur
= snd_array_index(&cache
->buf
, info
);
1634 idx
= key
% (u16
)ARRAY_SIZE(cache
->hash
);
1635 info
->next
= cache
->hash
[idx
];
1636 cache
->hash
[idx
] = cur
;
1641 /* query and allocate an amp hash entry */
1642 static inline struct hda_amp_info
*
1643 get_alloc_amp_hash(struct hda_codec
*codec
, u32 key
)
1645 return (struct hda_amp_info
*)get_alloc_hash(&codec
->amp_cache
, key
);
1648 /* overwrite the value with the key in the caps hash */
1649 static int write_caps_hash(struct hda_codec
*codec
, u32 key
, unsigned int val
)
1651 struct hda_amp_info
*info
;
1653 mutex_lock(&codec
->hash_mutex
);
1654 info
= get_alloc_amp_hash(codec
, key
);
1656 mutex_unlock(&codec
->hash_mutex
);
1659 info
->amp_caps
= val
;
1660 info
->head
.val
|= INFO_AMP_CAPS
;
1661 mutex_unlock(&codec
->hash_mutex
);
1665 /* query the value from the caps hash; if not found, fetch the current
1666 * value from the given function and store in the hash
1669 query_caps_hash(struct hda_codec
*codec
, hda_nid_t nid
, int dir
, u32 key
,
1670 unsigned int (*func
)(struct hda_codec
*, hda_nid_t
, int))
1672 struct hda_amp_info
*info
;
1675 mutex_lock(&codec
->hash_mutex
);
1676 info
= get_alloc_amp_hash(codec
, key
);
1678 mutex_unlock(&codec
->hash_mutex
);
1681 if (!(info
->head
.val
& INFO_AMP_CAPS
)) {
1682 mutex_unlock(&codec
->hash_mutex
); /* for reentrance */
1683 val
= func(codec
, nid
, dir
);
1684 write_caps_hash(codec
, key
, val
);
1686 val
= info
->amp_caps
;
1687 mutex_unlock(&codec
->hash_mutex
);
1692 static unsigned int read_amp_cap(struct hda_codec
*codec
, hda_nid_t nid
,
1695 if (!(get_wcaps(codec
, nid
) & AC_WCAP_AMP_OVRD
))
1697 return snd_hda_param_read(codec
, nid
,
1698 direction
== HDA_OUTPUT
?
1699 AC_PAR_AMP_OUT_CAP
: AC_PAR_AMP_IN_CAP
);
1703 * query_amp_caps - query AMP capabilities
1704 * @codec: the HD-auio codec
1705 * @nid: the NID to query
1706 * @direction: either #HDA_INPUT or #HDA_OUTPUT
1708 * Query AMP capabilities for the given widget and direction.
1709 * Returns the obtained capability bits.
1711 * When cap bits have been already read, this doesn't read again but
1712 * returns the cached value.
1714 u32
query_amp_caps(struct hda_codec
*codec
, hda_nid_t nid
, int direction
)
1716 return query_caps_hash(codec
, nid
, direction
,
1717 HDA_HASH_KEY(nid
, direction
, 0),
1720 EXPORT_SYMBOL_HDA(query_amp_caps
);
1723 * snd_hda_override_amp_caps - Override the AMP capabilities
1724 * @codec: the CODEC to clean up
1725 * @nid: the NID to clean up
1726 * @direction: either #HDA_INPUT or #HDA_OUTPUT
1727 * @caps: the capability bits to set
1729 * Override the cached AMP caps bits value by the given one.
1730 * This function is useful if the driver needs to adjust the AMP ranges,
1731 * e.g. limit to 0dB, etc.
1733 * Returns zero if successful or a negative error code.
1735 int snd_hda_override_amp_caps(struct hda_codec
*codec
, hda_nid_t nid
, int dir
,
1738 return write_caps_hash(codec
, HDA_HASH_KEY(nid
, dir
, 0), caps
);
1740 EXPORT_SYMBOL_HDA(snd_hda_override_amp_caps
);
1742 static unsigned int read_pin_cap(struct hda_codec
*codec
, hda_nid_t nid
,
1745 return snd_hda_param_read(codec
, nid
, AC_PAR_PIN_CAP
);
1749 * snd_hda_query_pin_caps - Query PIN capabilities
1750 * @codec: the HD-auio codec
1751 * @nid: the NID to query
1753 * Query PIN capabilities for the given widget.
1754 * Returns the obtained capability bits.
1756 * When cap bits have been already read, this doesn't read again but
1757 * returns the cached value.
1759 u32
snd_hda_query_pin_caps(struct hda_codec
*codec
, hda_nid_t nid
)
1761 return query_caps_hash(codec
, nid
, 0, HDA_HASH_PINCAP_KEY(nid
),
1764 EXPORT_SYMBOL_HDA(snd_hda_query_pin_caps
);
1767 * snd_hda_override_pin_caps - Override the pin capabilities
1769 * @nid: the NID to override
1770 * @caps: the capability bits to set
1772 * Override the cached PIN capabilitiy bits value by the given one.
1774 * Returns zero if successful or a negative error code.
1776 int snd_hda_override_pin_caps(struct hda_codec
*codec
, hda_nid_t nid
,
1779 return write_caps_hash(codec
, HDA_HASH_PINCAP_KEY(nid
), caps
);
1781 EXPORT_SYMBOL_HDA(snd_hda_override_pin_caps
);
1783 /* read or sync the hash value with the current value;
1784 * call within hash_mutex
1786 static struct hda_amp_info
*
1787 update_amp_hash(struct hda_codec
*codec
, hda_nid_t nid
, int ch
,
1788 int direction
, int index
)
1790 struct hda_amp_info
*info
;
1791 unsigned int parm
, val
= 0;
1792 bool val_read
= false;
1795 info
= get_alloc_amp_hash(codec
, HDA_HASH_KEY(nid
, direction
, index
));
1798 if (!(info
->head
.val
& INFO_AMP_VOL(ch
))) {
1800 mutex_unlock(&codec
->hash_mutex
);
1801 parm
= ch
? AC_AMP_GET_RIGHT
: AC_AMP_GET_LEFT
;
1802 parm
|= direction
== HDA_OUTPUT
?
1803 AC_AMP_GET_OUTPUT
: AC_AMP_GET_INPUT
;
1805 val
= snd_hda_codec_read(codec
, nid
, 0,
1806 AC_VERB_GET_AMP_GAIN_MUTE
, parm
);
1809 mutex_lock(&codec
->hash_mutex
);
1812 info
->vol
[ch
] = val
;
1813 info
->head
.val
|= INFO_AMP_VOL(ch
);
1819 * write the current volume in info to the h/w
1821 static void put_vol_mute(struct hda_codec
*codec
, struct hda_amp_info
*info
,
1822 hda_nid_t nid
, int ch
, int direction
, int index
,
1827 parm
= ch
? AC_AMP_SET_RIGHT
: AC_AMP_SET_LEFT
;
1828 parm
|= direction
== HDA_OUTPUT
? AC_AMP_SET_OUTPUT
: AC_AMP_SET_INPUT
;
1829 parm
|= index
<< AC_AMP_SET_INDEX_SHIFT
;
1830 if ((val
& HDA_AMP_MUTE
) && !(info
->amp_caps
& AC_AMPCAP_MUTE
) &&
1831 (info
->amp_caps
& AC_AMPCAP_MIN_MUTE
))
1832 ; /* set the zero value as a fake mute */
1835 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_AMP_GAIN_MUTE
, parm
);
1839 * snd_hda_codec_amp_read - Read AMP value
1840 * @codec: HD-audio codec
1841 * @nid: NID to read the AMP value
1842 * @ch: channel (left=0 or right=1)
1843 * @direction: #HDA_INPUT or #HDA_OUTPUT
1844 * @index: the index value (only for input direction)
1846 * Read AMP value. The volume is between 0 to 0x7f, 0x80 = mute bit.
1848 int snd_hda_codec_amp_read(struct hda_codec
*codec
, hda_nid_t nid
, int ch
,
1849 int direction
, int index
)
1851 struct hda_amp_info
*info
;
1852 unsigned int val
= 0;
1854 mutex_lock(&codec
->hash_mutex
);
1855 info
= update_amp_hash(codec
, nid
, ch
, direction
, index
);
1857 val
= info
->vol
[ch
];
1858 mutex_unlock(&codec
->hash_mutex
);
1861 EXPORT_SYMBOL_HDA(snd_hda_codec_amp_read
);
1864 * snd_hda_codec_amp_update - update the AMP value
1865 * @codec: HD-audio codec
1866 * @nid: NID to read the AMP value
1867 * @ch: channel (left=0 or right=1)
1868 * @direction: #HDA_INPUT or #HDA_OUTPUT
1869 * @idx: the index value (only for input direction)
1870 * @mask: bit mask to set
1871 * @val: the bits value to set
1873 * Update the AMP value with a bit mask.
1874 * Returns 0 if the value is unchanged, 1 if changed.
1876 int snd_hda_codec_amp_update(struct hda_codec
*codec
, hda_nid_t nid
, int ch
,
1877 int direction
, int idx
, int mask
, int val
)
1879 struct hda_amp_info
*info
;
1881 if (snd_BUG_ON(mask
& ~0xff))
1885 mutex_lock(&codec
->hash_mutex
);
1886 info
= update_amp_hash(codec
, nid
, ch
, direction
, idx
);
1888 mutex_unlock(&codec
->hash_mutex
);
1891 val
|= info
->vol
[ch
] & ~mask
;
1892 if (info
->vol
[ch
] == val
) {
1893 mutex_unlock(&codec
->hash_mutex
);
1896 info
->vol
[ch
] = val
;
1897 mutex_unlock(&codec
->hash_mutex
);
1898 put_vol_mute(codec
, info
, nid
, ch
, direction
, idx
, val
);
1901 EXPORT_SYMBOL_HDA(snd_hda_codec_amp_update
);
1904 * snd_hda_codec_amp_stereo - update the AMP stereo values
1905 * @codec: HD-audio codec
1906 * @nid: NID to read the AMP value
1907 * @direction: #HDA_INPUT or #HDA_OUTPUT
1908 * @idx: the index value (only for input direction)
1909 * @mask: bit mask to set
1910 * @val: the bits value to set
1912 * Update the AMP values like snd_hda_codec_amp_update(), but for a
1913 * stereo widget with the same mask and value.
1915 int snd_hda_codec_amp_stereo(struct hda_codec
*codec
, hda_nid_t nid
,
1916 int direction
, int idx
, int mask
, int val
)
1920 if (snd_BUG_ON(mask
& ~0xff))
1922 for (ch
= 0; ch
< 2; ch
++)
1923 ret
|= snd_hda_codec_amp_update(codec
, nid
, ch
, direction
,
1927 EXPORT_SYMBOL_HDA(snd_hda_codec_amp_stereo
);
1931 * snd_hda_codec_resume_amp - Resume all AMP commands from the cache
1932 * @codec: HD-audio codec
1934 * Resume the all amp commands from the cache.
1936 void snd_hda_codec_resume_amp(struct hda_codec
*codec
)
1938 struct hda_amp_info
*buffer
= codec
->amp_cache
.buf
.list
;
1941 for (i
= 0; i
< codec
->amp_cache
.buf
.used
; i
++, buffer
++) {
1942 u32 key
= buffer
->head
.key
;
1944 unsigned int idx
, dir
, ch
;
1948 idx
= (key
>> 16) & 0xff;
1949 dir
= (key
>> 24) & 0xff;
1950 for (ch
= 0; ch
< 2; ch
++) {
1951 if (!(buffer
->head
.val
& INFO_AMP_VOL(ch
)))
1953 put_vol_mute(codec
, buffer
, nid
, ch
, dir
, idx
,
1958 EXPORT_SYMBOL_HDA(snd_hda_codec_resume_amp
);
1959 #endif /* CONFIG_PM */
1961 static u32
get_amp_max_value(struct hda_codec
*codec
, hda_nid_t nid
, int dir
,
1964 u32 caps
= query_amp_caps(codec
, nid
, dir
);
1966 caps
= (caps
& AC_AMPCAP_NUM_STEPS
) >> AC_AMPCAP_NUM_STEPS_SHIFT
;
1973 * snd_hda_mixer_amp_volume_info - Info callback for a standard AMP mixer
1975 * The control element is supposed to have the private_value field
1976 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
1978 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol
*kcontrol
,
1979 struct snd_ctl_elem_info
*uinfo
)
1981 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
1982 u16 nid
= get_amp_nid(kcontrol
);
1983 u8 chs
= get_amp_channels(kcontrol
);
1984 int dir
= get_amp_direction(kcontrol
);
1985 unsigned int ofs
= get_amp_offset(kcontrol
);
1987 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_INTEGER
;
1988 uinfo
->count
= chs
== 3 ? 2 : 1;
1989 uinfo
->value
.integer
.min
= 0;
1990 uinfo
->value
.integer
.max
= get_amp_max_value(codec
, nid
, dir
, ofs
);
1991 if (!uinfo
->value
.integer
.max
) {
1992 printk(KERN_WARNING
"hda_codec: "
1993 "num_steps = 0 for NID=0x%x (ctl = %s)\n", nid
,
1999 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_info
);
2002 static inline unsigned int
2003 read_amp_value(struct hda_codec
*codec
, hda_nid_t nid
,
2004 int ch
, int dir
, int idx
, unsigned int ofs
)
2007 val
= snd_hda_codec_amp_read(codec
, nid
, ch
, dir
, idx
);
2008 val
&= HDA_AMP_VOLMASK
;
2017 update_amp_value(struct hda_codec
*codec
, hda_nid_t nid
,
2018 int ch
, int dir
, int idx
, unsigned int ofs
,
2021 unsigned int maxval
;
2025 /* ofs = 0: raw max value */
2026 maxval
= get_amp_max_value(codec
, nid
, dir
, 0);
2029 return snd_hda_codec_amp_update(codec
, nid
, ch
, dir
, idx
,
2030 HDA_AMP_VOLMASK
, val
);
2034 * snd_hda_mixer_amp_volume_get - Get callback for a standard AMP mixer volume
2036 * The control element is supposed to have the private_value field
2037 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2039 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol
*kcontrol
,
2040 struct snd_ctl_elem_value
*ucontrol
)
2042 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2043 hda_nid_t nid
= get_amp_nid(kcontrol
);
2044 int chs
= get_amp_channels(kcontrol
);
2045 int dir
= get_amp_direction(kcontrol
);
2046 int idx
= get_amp_index(kcontrol
);
2047 unsigned int ofs
= get_amp_offset(kcontrol
);
2048 long *valp
= ucontrol
->value
.integer
.value
;
2051 *valp
++ = read_amp_value(codec
, nid
, 0, dir
, idx
, ofs
);
2053 *valp
= read_amp_value(codec
, nid
, 1, dir
, idx
, ofs
);
2056 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_get
);
2059 * snd_hda_mixer_amp_volume_put - Put callback for a standard AMP mixer volume
2061 * The control element is supposed to have the private_value field
2062 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2064 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol
*kcontrol
,
2065 struct snd_ctl_elem_value
*ucontrol
)
2067 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2068 hda_nid_t nid
= get_amp_nid(kcontrol
);
2069 int chs
= get_amp_channels(kcontrol
);
2070 int dir
= get_amp_direction(kcontrol
);
2071 int idx
= get_amp_index(kcontrol
);
2072 unsigned int ofs
= get_amp_offset(kcontrol
);
2073 long *valp
= ucontrol
->value
.integer
.value
;
2076 snd_hda_power_up(codec
);
2078 change
= update_amp_value(codec
, nid
, 0, dir
, idx
, ofs
, *valp
);
2082 change
|= update_amp_value(codec
, nid
, 1, dir
, idx
, ofs
, *valp
);
2083 snd_hda_power_down(codec
);
2086 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_put
);
2089 * snd_hda_mixer_amp_volume_put - TLV callback for a standard AMP mixer volume
2091 * The control element is supposed to have the private_value field
2092 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2094 int snd_hda_mixer_amp_tlv(struct snd_kcontrol
*kcontrol
, int op_flag
,
2095 unsigned int size
, unsigned int __user
*_tlv
)
2097 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2098 hda_nid_t nid
= get_amp_nid(kcontrol
);
2099 int dir
= get_amp_direction(kcontrol
);
2100 unsigned int ofs
= get_amp_offset(kcontrol
);
2101 bool min_mute
= get_amp_min_mute(kcontrol
);
2102 u32 caps
, val1
, val2
;
2104 if (size
< 4 * sizeof(unsigned int))
2106 caps
= query_amp_caps(codec
, nid
, dir
);
2107 val2
= (caps
& AC_AMPCAP_STEP_SIZE
) >> AC_AMPCAP_STEP_SIZE_SHIFT
;
2108 val2
= (val2
+ 1) * 25;
2109 val1
= -((caps
& AC_AMPCAP_OFFSET
) >> AC_AMPCAP_OFFSET_SHIFT
);
2111 val1
= ((int)val1
) * ((int)val2
);
2112 if (min_mute
|| (caps
& AC_AMPCAP_MIN_MUTE
))
2113 val2
|= TLV_DB_SCALE_MUTE
;
2114 if (put_user(SNDRV_CTL_TLVT_DB_SCALE
, _tlv
))
2116 if (put_user(2 * sizeof(unsigned int), _tlv
+ 1))
2118 if (put_user(val1
, _tlv
+ 2))
2120 if (put_user(val2
, _tlv
+ 3))
2124 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_tlv
);
2127 * snd_hda_set_vmaster_tlv - Set TLV for a virtual master control
2128 * @codec: HD-audio codec
2129 * @nid: NID of a reference widget
2130 * @dir: #HDA_INPUT or #HDA_OUTPUT
2131 * @tlv: TLV data to be stored, at least 4 elements
2133 * Set (static) TLV data for a virtual master volume using the AMP caps
2134 * obtained from the reference NID.
2135 * The volume range is recalculated as if the max volume is 0dB.
2137 void snd_hda_set_vmaster_tlv(struct hda_codec
*codec
, hda_nid_t nid
, int dir
,
2143 caps
= query_amp_caps(codec
, nid
, dir
);
2144 nums
= (caps
& AC_AMPCAP_NUM_STEPS
) >> AC_AMPCAP_NUM_STEPS_SHIFT
;
2145 step
= (caps
& AC_AMPCAP_STEP_SIZE
) >> AC_AMPCAP_STEP_SIZE_SHIFT
;
2146 step
= (step
+ 1) * 25;
2147 tlv
[0] = SNDRV_CTL_TLVT_DB_SCALE
;
2148 tlv
[1] = 2 * sizeof(unsigned int);
2149 tlv
[2] = -nums
* step
;
2152 EXPORT_SYMBOL_HDA(snd_hda_set_vmaster_tlv
);
2154 /* find a mixer control element with the given name */
2155 static struct snd_kcontrol
*
2156 _snd_hda_find_mixer_ctl(struct hda_codec
*codec
,
2157 const char *name
, int idx
)
2159 struct snd_ctl_elem_id id
;
2160 memset(&id
, 0, sizeof(id
));
2161 id
.iface
= SNDRV_CTL_ELEM_IFACE_MIXER
;
2163 if (snd_BUG_ON(strlen(name
) >= sizeof(id
.name
)))
2165 strcpy(id
.name
, name
);
2166 return snd_ctl_find_id(codec
->bus
->card
, &id
);
2170 * snd_hda_find_mixer_ctl - Find a mixer control element with the given name
2171 * @codec: HD-audio codec
2172 * @name: ctl id name string
2174 * Get the control element with the given id string and IFACE_MIXER.
2176 struct snd_kcontrol
*snd_hda_find_mixer_ctl(struct hda_codec
*codec
,
2179 return _snd_hda_find_mixer_ctl(codec
, name
, 0);
2181 EXPORT_SYMBOL_HDA(snd_hda_find_mixer_ctl
);
2183 static int find_empty_mixer_ctl_idx(struct hda_codec
*codec
, const char *name
)
2186 for (idx
= 0; idx
< 16; idx
++) { /* 16 ctlrs should be large enough */
2187 if (!_snd_hda_find_mixer_ctl(codec
, name
, idx
))
2194 * snd_hda_ctl_add - Add a control element and assign to the codec
2195 * @codec: HD-audio codec
2196 * @nid: corresponding NID (optional)
2197 * @kctl: the control element to assign
2199 * Add the given control element to an array inside the codec instance.
2200 * All control elements belonging to a codec are supposed to be added
2201 * by this function so that a proper clean-up works at the free or
2202 * reconfiguration time.
2204 * If non-zero @nid is passed, the NID is assigned to the control element.
2205 * The assignment is shown in the codec proc file.
2207 * snd_hda_ctl_add() checks the control subdev id field whether
2208 * #HDA_SUBDEV_NID_FLAG bit is set. If set (and @nid is zero), the lower
2209 * bits value is taken as the NID to assign. The #HDA_NID_ITEM_AMP bit
2210 * specifies if kctl->private_value is a HDA amplifier value.
2212 int snd_hda_ctl_add(struct hda_codec
*codec
, hda_nid_t nid
,
2213 struct snd_kcontrol
*kctl
)
2216 unsigned short flags
= 0;
2217 struct hda_nid_item
*item
;
2219 if (kctl
->id
.subdevice
& HDA_SUBDEV_AMP_FLAG
) {
2220 flags
|= HDA_NID_ITEM_AMP
;
2222 nid
= get_amp_nid_(kctl
->private_value
);
2224 if ((kctl
->id
.subdevice
& HDA_SUBDEV_NID_FLAG
) != 0 && nid
== 0)
2225 nid
= kctl
->id
.subdevice
& 0xffff;
2226 if (kctl
->id
.subdevice
& (HDA_SUBDEV_NID_FLAG
|HDA_SUBDEV_AMP_FLAG
))
2227 kctl
->id
.subdevice
= 0;
2228 err
= snd_ctl_add(codec
->bus
->card
, kctl
);
2231 item
= snd_array_new(&codec
->mixers
);
2236 item
->flags
= flags
;
2239 EXPORT_SYMBOL_HDA(snd_hda_ctl_add
);
2242 * snd_hda_add_nid - Assign a NID to a control element
2243 * @codec: HD-audio codec
2244 * @nid: corresponding NID (optional)
2245 * @kctl: the control element to assign
2246 * @index: index to kctl
2248 * Add the given control element to an array inside the codec instance.
2249 * This function is used when #snd_hda_ctl_add cannot be used for 1:1
2250 * NID:KCTL mapping - for example "Capture Source" selector.
2252 int snd_hda_add_nid(struct hda_codec
*codec
, struct snd_kcontrol
*kctl
,
2253 unsigned int index
, hda_nid_t nid
)
2255 struct hda_nid_item
*item
;
2258 item
= snd_array_new(&codec
->nids
);
2262 item
->index
= index
;
2266 printk(KERN_ERR
"hda-codec: no NID for mapping control %s:%d:%d\n",
2267 kctl
->id
.name
, kctl
->id
.index
, index
);
2270 EXPORT_SYMBOL_HDA(snd_hda_add_nid
);
2273 * snd_hda_ctls_clear - Clear all controls assigned to the given codec
2274 * @codec: HD-audio codec
2276 void snd_hda_ctls_clear(struct hda_codec
*codec
)
2279 struct hda_nid_item
*items
= codec
->mixers
.list
;
2280 for (i
= 0; i
< codec
->mixers
.used
; i
++)
2281 snd_ctl_remove(codec
->bus
->card
, items
[i
].kctl
);
2282 snd_array_free(&codec
->mixers
);
2283 snd_array_free(&codec
->nids
);
2286 /* pseudo device locking
2287 * toggle card->shutdown to allow/disallow the device access (as a hack)
2289 int snd_hda_lock_devices(struct hda_bus
*bus
)
2291 struct snd_card
*card
= bus
->card
;
2292 struct hda_codec
*codec
;
2294 spin_lock(&card
->files_lock
);
2298 if (!list_empty(&card
->ctl_files
))
2301 list_for_each_entry(codec
, &bus
->codec_list
, list
) {
2303 for (pcm
= 0; pcm
< codec
->num_pcms
; pcm
++) {
2304 struct hda_pcm
*cpcm
= &codec
->pcm_info
[pcm
];
2307 if (cpcm
->pcm
->streams
[0].substream_opened
||
2308 cpcm
->pcm
->streams
[1].substream_opened
)
2312 spin_unlock(&card
->files_lock
);
2318 spin_unlock(&card
->files_lock
);
2321 EXPORT_SYMBOL_HDA(snd_hda_lock_devices
);
2323 void snd_hda_unlock_devices(struct hda_bus
*bus
)
2325 struct snd_card
*card
= bus
->card
;
2328 spin_lock(&card
->files_lock
);
2330 spin_unlock(&card
->files_lock
);
2332 EXPORT_SYMBOL_HDA(snd_hda_unlock_devices
);
2335 * snd_hda_codec_reset - Clear all objects assigned to the codec
2336 * @codec: HD-audio codec
2338 * This frees the all PCM and control elements assigned to the codec, and
2339 * clears the caches and restores the pin default configurations.
2341 * When a device is being used, it returns -EBSY. If successfully freed,
2344 int snd_hda_codec_reset(struct hda_codec
*codec
)
2346 struct hda_bus
*bus
= codec
->bus
;
2347 struct snd_card
*card
= bus
->card
;
2350 if (snd_hda_lock_devices(bus
) < 0)
2353 /* OK, let it free */
2356 cancel_delayed_work_sync(&codec
->power_work
);
2357 codec
->power_on
= 0;
2358 codec
->power_transition
= 0;
2359 codec
->power_jiffies
= jiffies
;
2360 flush_workqueue(bus
->workq
);
2362 snd_hda_ctls_clear(codec
);
2364 for (i
= 0; i
< codec
->num_pcms
; i
++) {
2365 if (codec
->pcm_info
[i
].pcm
) {
2366 snd_device_free(card
, codec
->pcm_info
[i
].pcm
);
2367 clear_bit(codec
->pcm_info
[i
].device
,
2371 if (codec
->patch_ops
.free
)
2372 codec
->patch_ops
.free(codec
);
2373 memset(&codec
->patch_ops
, 0, sizeof(codec
->patch_ops
));
2374 snd_hda_jack_tbl_clear(codec
);
2375 codec
->proc_widget_hook
= NULL
;
2377 free_hda_cache(&codec
->amp_cache
);
2378 free_hda_cache(&codec
->cmd_cache
);
2379 init_hda_cache(&codec
->amp_cache
, sizeof(struct hda_amp_info
));
2380 init_hda_cache(&codec
->cmd_cache
, sizeof(struct hda_cache_head
));
2381 /* free only driver_pins so that init_pins + user_pins are restored */
2382 snd_array_free(&codec
->driver_pins
);
2383 restore_pincfgs(codec
);
2384 snd_array_free(&codec
->cvt_setups
);
2385 snd_array_free(&codec
->spdif_out
);
2386 codec
->num_pcms
= 0;
2387 codec
->pcm_info
= NULL
;
2388 codec
->preset
= NULL
;
2389 codec
->slave_dig_outs
= NULL
;
2390 codec
->spdif_status_reset
= 0;
2391 module_put(codec
->owner
);
2392 codec
->owner
= NULL
;
2394 /* allow device access again */
2395 snd_hda_unlock_devices(bus
);
2399 typedef int (*map_slave_func_t
)(void *, struct snd_kcontrol
*);
2401 /* apply the function to all matching slave ctls in the mixer list */
2402 static int map_slaves(struct hda_codec
*codec
, const char * const *slaves
,
2403 const char *suffix
, map_slave_func_t func
, void *data
)
2405 struct hda_nid_item
*items
;
2406 const char * const *s
;
2409 items
= codec
->mixers
.list
;
2410 for (i
= 0; i
< codec
->mixers
.used
; i
++) {
2411 struct snd_kcontrol
*sctl
= items
[i
].kctl
;
2412 if (!sctl
|| !sctl
->id
.name
||
2413 sctl
->id
.iface
!= SNDRV_CTL_ELEM_IFACE_MIXER
)
2415 for (s
= slaves
; *s
; s
++) {
2416 char tmpname
[sizeof(sctl
->id
.name
)];
2417 const char *name
= *s
;
2419 snprintf(tmpname
, sizeof(tmpname
), "%s %s",
2423 if (!strcmp(sctl
->id
.name
, name
)) {
2424 err
= func(data
, sctl
);
2434 static int check_slave_present(void *data
, struct snd_kcontrol
*sctl
)
2439 /* guess the value corresponding to 0dB */
2440 static int get_kctl_0dB_offset(struct snd_kcontrol
*kctl
)
2443 const int *tlv
= NULL
;
2446 if (kctl
->vd
[0].access
& SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK
) {
2447 /* FIXME: set_fs() hack for obtaining user-space TLV data */
2448 mm_segment_t fs
= get_fs();
2450 if (!kctl
->tlv
.c(kctl
, 0, sizeof(_tlv
), _tlv
))
2453 } else if (kctl
->vd
[0].access
& SNDRV_CTL_ELEM_ACCESS_TLV_READ
)
2455 if (tlv
&& tlv
[0] == SNDRV_CTL_TLVT_DB_SCALE
)
2456 val
= -tlv
[2] / tlv
[3];
2460 /* call kctl->put with the given value(s) */
2461 static int put_kctl_with_value(struct snd_kcontrol
*kctl
, int val
)
2463 struct snd_ctl_elem_value
*ucontrol
;
2464 ucontrol
= kzalloc(sizeof(*ucontrol
), GFP_KERNEL
);
2467 ucontrol
->value
.integer
.value
[0] = val
;
2468 ucontrol
->value
.integer
.value
[1] = val
;
2469 kctl
->put(kctl
, ucontrol
);
2474 /* initialize the slave volume with 0dB */
2475 static int init_slave_0dB(void *data
, struct snd_kcontrol
*slave
)
2477 int offset
= get_kctl_0dB_offset(slave
);
2479 put_kctl_with_value(slave
, offset
);
2483 /* unmute the slave */
2484 static int init_slave_unmute(void *data
, struct snd_kcontrol
*slave
)
2486 return put_kctl_with_value(slave
, 1);
2490 * snd_hda_add_vmaster - create a virtual master control and add slaves
2491 * @codec: HD-audio codec
2492 * @name: vmaster control name
2493 * @tlv: TLV data (optional)
2494 * @slaves: slave control names (optional)
2495 * @suffix: suffix string to each slave name (optional)
2496 * @init_slave_vol: initialize slaves to unmute/0dB
2497 * @ctl_ret: store the vmaster kcontrol in return
2499 * Create a virtual master control with the given name. The TLV data
2500 * must be either NULL or a valid data.
2502 * @slaves is a NULL-terminated array of strings, each of which is a
2503 * slave control name. All controls with these names are assigned to
2504 * the new virtual master control.
2506 * This function returns zero if successful or a negative error code.
2508 int __snd_hda_add_vmaster(struct hda_codec
*codec
, char *name
,
2509 unsigned int *tlv
, const char * const *slaves
,
2510 const char *suffix
, bool init_slave_vol
,
2511 struct snd_kcontrol
**ctl_ret
)
2513 struct snd_kcontrol
*kctl
;
2519 err
= map_slaves(codec
, slaves
, suffix
, check_slave_present
, NULL
);
2521 snd_printdd("No slave found for %s\n", name
);
2524 kctl
= snd_ctl_make_virtual_master(name
, tlv
);
2527 err
= snd_hda_ctl_add(codec
, 0, kctl
);
2531 err
= map_slaves(codec
, slaves
, suffix
,
2532 (map_slave_func_t
)snd_ctl_add_slave
, kctl
);
2536 /* init with master mute & zero volume */
2537 put_kctl_with_value(kctl
, 0);
2539 map_slaves(codec
, slaves
, suffix
,
2540 tlv
? init_slave_0dB
: init_slave_unmute
, kctl
);
2546 EXPORT_SYMBOL_HDA(__snd_hda_add_vmaster
);
2549 * mute-LED control using vmaster
2551 static int vmaster_mute_mode_info(struct snd_kcontrol
*kcontrol
,
2552 struct snd_ctl_elem_info
*uinfo
)
2554 static const char * const texts
[] = {
2555 "Off", "On", "Follow Master"
2559 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_ENUMERATED
;
2561 uinfo
->value
.enumerated
.items
= 3;
2562 index
= uinfo
->value
.enumerated
.item
;
2565 strcpy(uinfo
->value
.enumerated
.name
, texts
[index
]);
2569 static int vmaster_mute_mode_get(struct snd_kcontrol
*kcontrol
,
2570 struct snd_ctl_elem_value
*ucontrol
)
2572 struct hda_vmaster_mute_hook
*hook
= snd_kcontrol_chip(kcontrol
);
2573 ucontrol
->value
.enumerated
.item
[0] = hook
->mute_mode
;
2577 static int vmaster_mute_mode_put(struct snd_kcontrol
*kcontrol
,
2578 struct snd_ctl_elem_value
*ucontrol
)
2580 struct hda_vmaster_mute_hook
*hook
= snd_kcontrol_chip(kcontrol
);
2581 unsigned int old_mode
= hook
->mute_mode
;
2583 hook
->mute_mode
= ucontrol
->value
.enumerated
.item
[0];
2584 if (hook
->mute_mode
> HDA_VMUTE_FOLLOW_MASTER
)
2585 hook
->mute_mode
= HDA_VMUTE_FOLLOW_MASTER
;
2586 if (old_mode
== hook
->mute_mode
)
2588 snd_hda_sync_vmaster_hook(hook
);
2592 static struct snd_kcontrol_new vmaster_mute_mode
= {
2593 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
2594 .name
= "Mute-LED Mode",
2595 .info
= vmaster_mute_mode_info
,
2596 .get
= vmaster_mute_mode_get
,
2597 .put
= vmaster_mute_mode_put
,
2601 * Add a mute-LED hook with the given vmaster switch kctl
2602 * "Mute-LED Mode" control is automatically created and associated with
2605 int snd_hda_add_vmaster_hook(struct hda_codec
*codec
,
2606 struct hda_vmaster_mute_hook
*hook
,
2607 bool expose_enum_ctl
)
2609 struct snd_kcontrol
*kctl
;
2611 if (!hook
->hook
|| !hook
->sw_kctl
)
2613 snd_ctl_add_vmaster_hook(hook
->sw_kctl
, hook
->hook
, codec
);
2614 hook
->codec
= codec
;
2615 hook
->mute_mode
= HDA_VMUTE_FOLLOW_MASTER
;
2616 if (!expose_enum_ctl
)
2618 kctl
= snd_ctl_new1(&vmaster_mute_mode
, hook
);
2621 return snd_hda_ctl_add(codec
, 0, kctl
);
2623 EXPORT_SYMBOL_HDA(snd_hda_add_vmaster_hook
);
2626 * Call the hook with the current value for synchronization
2627 * Should be called in init callback
2629 void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook
*hook
)
2631 if (!hook
->hook
|| !hook
->codec
)
2633 switch (hook
->mute_mode
) {
2634 case HDA_VMUTE_FOLLOW_MASTER
:
2635 snd_ctl_sync_vmaster_hook(hook
->sw_kctl
);
2638 hook
->hook(hook
->codec
, hook
->mute_mode
);
2642 EXPORT_SYMBOL_HDA(snd_hda_sync_vmaster_hook
);
2646 * snd_hda_mixer_amp_switch_info - Info callback for a standard AMP mixer switch
2648 * The control element is supposed to have the private_value field
2649 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2651 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol
*kcontrol
,
2652 struct snd_ctl_elem_info
*uinfo
)
2654 int chs
= get_amp_channels(kcontrol
);
2656 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_BOOLEAN
;
2657 uinfo
->count
= chs
== 3 ? 2 : 1;
2658 uinfo
->value
.integer
.min
= 0;
2659 uinfo
->value
.integer
.max
= 1;
2662 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_info
);
2665 * snd_hda_mixer_amp_switch_get - Get callback for a standard AMP mixer switch
2667 * The control element is supposed to have the private_value field
2668 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2670 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol
*kcontrol
,
2671 struct snd_ctl_elem_value
*ucontrol
)
2673 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2674 hda_nid_t nid
= get_amp_nid(kcontrol
);
2675 int chs
= get_amp_channels(kcontrol
);
2676 int dir
= get_amp_direction(kcontrol
);
2677 int idx
= get_amp_index(kcontrol
);
2678 long *valp
= ucontrol
->value
.integer
.value
;
2681 *valp
++ = (snd_hda_codec_amp_read(codec
, nid
, 0, dir
, idx
) &
2682 HDA_AMP_MUTE
) ? 0 : 1;
2684 *valp
= (snd_hda_codec_amp_read(codec
, nid
, 1, dir
, idx
) &
2685 HDA_AMP_MUTE
) ? 0 : 1;
2688 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_get
);
2691 * snd_hda_mixer_amp_switch_put - Put callback for a standard AMP mixer switch
2693 * The control element is supposed to have the private_value field
2694 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2696 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol
*kcontrol
,
2697 struct snd_ctl_elem_value
*ucontrol
)
2699 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2700 hda_nid_t nid
= get_amp_nid(kcontrol
);
2701 int chs
= get_amp_channels(kcontrol
);
2702 int dir
= get_amp_direction(kcontrol
);
2703 int idx
= get_amp_index(kcontrol
);
2704 long *valp
= ucontrol
->value
.integer
.value
;
2707 snd_hda_power_up(codec
);
2709 change
= snd_hda_codec_amp_update(codec
, nid
, 0, dir
, idx
,
2711 *valp
? 0 : HDA_AMP_MUTE
);
2715 change
|= snd_hda_codec_amp_update(codec
, nid
, 1, dir
, idx
,
2717 *valp
? 0 : HDA_AMP_MUTE
);
2718 hda_call_check_power_status(codec
, nid
);
2719 snd_hda_power_down(codec
);
2722 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_put
);
2725 * bound volume controls
2727 * bind multiple volumes (# indices, from 0)
2730 #define AMP_VAL_IDX_SHIFT 19
2731 #define AMP_VAL_IDX_MASK (0x0f<<19)
2734 * snd_hda_mixer_bind_switch_get - Get callback for a bound volume control
2736 * The control element is supposed to have the private_value field
2737 * set up via HDA_BIND_MUTE*() macros.
2739 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol
*kcontrol
,
2740 struct snd_ctl_elem_value
*ucontrol
)
2742 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2746 mutex_lock(&codec
->control_mutex
);
2747 pval
= kcontrol
->private_value
;
2748 kcontrol
->private_value
= pval
& ~AMP_VAL_IDX_MASK
; /* index 0 */
2749 err
= snd_hda_mixer_amp_switch_get(kcontrol
, ucontrol
);
2750 kcontrol
->private_value
= pval
;
2751 mutex_unlock(&codec
->control_mutex
);
2754 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_switch_get
);
2757 * snd_hda_mixer_bind_switch_put - Put callback for a bound volume control
2759 * The control element is supposed to have the private_value field
2760 * set up via HDA_BIND_MUTE*() macros.
2762 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol
*kcontrol
,
2763 struct snd_ctl_elem_value
*ucontrol
)
2765 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2767 int i
, indices
, err
= 0, change
= 0;
2769 mutex_lock(&codec
->control_mutex
);
2770 pval
= kcontrol
->private_value
;
2771 indices
= (pval
& AMP_VAL_IDX_MASK
) >> AMP_VAL_IDX_SHIFT
;
2772 for (i
= 0; i
< indices
; i
++) {
2773 kcontrol
->private_value
= (pval
& ~AMP_VAL_IDX_MASK
) |
2774 (i
<< AMP_VAL_IDX_SHIFT
);
2775 err
= snd_hda_mixer_amp_switch_put(kcontrol
, ucontrol
);
2780 kcontrol
->private_value
= pval
;
2781 mutex_unlock(&codec
->control_mutex
);
2782 return err
< 0 ? err
: change
;
2784 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_switch_put
);
2787 * snd_hda_mixer_bind_ctls_info - Info callback for a generic bound control
2789 * The control element is supposed to have the private_value field
2790 * set up via HDA_BIND_VOL() or HDA_BIND_SW() macros.
2792 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol
*kcontrol
,
2793 struct snd_ctl_elem_info
*uinfo
)
2795 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2796 struct hda_bind_ctls
*c
;
2799 mutex_lock(&codec
->control_mutex
);
2800 c
= (struct hda_bind_ctls
*)kcontrol
->private_value
;
2801 kcontrol
->private_value
= *c
->values
;
2802 err
= c
->ops
->info(kcontrol
, uinfo
);
2803 kcontrol
->private_value
= (long)c
;
2804 mutex_unlock(&codec
->control_mutex
);
2807 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_info
);
2810 * snd_hda_mixer_bind_ctls_get - Get callback for a generic bound control
2812 * The control element is supposed to have the private_value field
2813 * set up via HDA_BIND_VOL() or HDA_BIND_SW() macros.
2815 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol
*kcontrol
,
2816 struct snd_ctl_elem_value
*ucontrol
)
2818 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2819 struct hda_bind_ctls
*c
;
2822 mutex_lock(&codec
->control_mutex
);
2823 c
= (struct hda_bind_ctls
*)kcontrol
->private_value
;
2824 kcontrol
->private_value
= *c
->values
;
2825 err
= c
->ops
->get(kcontrol
, ucontrol
);
2826 kcontrol
->private_value
= (long)c
;
2827 mutex_unlock(&codec
->control_mutex
);
2830 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_get
);
2833 * snd_hda_mixer_bind_ctls_put - Put callback for a generic bound control
2835 * The control element is supposed to have the private_value field
2836 * set up via HDA_BIND_VOL() or HDA_BIND_SW() macros.
2838 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol
*kcontrol
,
2839 struct snd_ctl_elem_value
*ucontrol
)
2841 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2842 struct hda_bind_ctls
*c
;
2843 unsigned long *vals
;
2844 int err
= 0, change
= 0;
2846 mutex_lock(&codec
->control_mutex
);
2847 c
= (struct hda_bind_ctls
*)kcontrol
->private_value
;
2848 for (vals
= c
->values
; *vals
; vals
++) {
2849 kcontrol
->private_value
= *vals
;
2850 err
= c
->ops
->put(kcontrol
, ucontrol
);
2855 kcontrol
->private_value
= (long)c
;
2856 mutex_unlock(&codec
->control_mutex
);
2857 return err
< 0 ? err
: change
;
2859 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_put
);
2862 * snd_hda_mixer_bind_tlv - TLV callback for a generic bound control
2864 * The control element is supposed to have the private_value field
2865 * set up via HDA_BIND_VOL() macro.
2867 int snd_hda_mixer_bind_tlv(struct snd_kcontrol
*kcontrol
, int op_flag
,
2868 unsigned int size
, unsigned int __user
*tlv
)
2870 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2871 struct hda_bind_ctls
*c
;
2874 mutex_lock(&codec
->control_mutex
);
2875 c
= (struct hda_bind_ctls
*)kcontrol
->private_value
;
2876 kcontrol
->private_value
= *c
->values
;
2877 err
= c
->ops
->tlv(kcontrol
, op_flag
, size
, tlv
);
2878 kcontrol
->private_value
= (long)c
;
2879 mutex_unlock(&codec
->control_mutex
);
2882 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_tlv
);
2884 struct hda_ctl_ops snd_hda_bind_vol
= {
2885 .info
= snd_hda_mixer_amp_volume_info
,
2886 .get
= snd_hda_mixer_amp_volume_get
,
2887 .put
= snd_hda_mixer_amp_volume_put
,
2888 .tlv
= snd_hda_mixer_amp_tlv
2890 EXPORT_SYMBOL_HDA(snd_hda_bind_vol
);
2892 struct hda_ctl_ops snd_hda_bind_sw
= {
2893 .info
= snd_hda_mixer_amp_switch_info
,
2894 .get
= snd_hda_mixer_amp_switch_get
,
2895 .put
= snd_hda_mixer_amp_switch_put
,
2896 .tlv
= snd_hda_mixer_amp_tlv
2898 EXPORT_SYMBOL_HDA(snd_hda_bind_sw
);
2901 * SPDIF out controls
2904 static int snd_hda_spdif_mask_info(struct snd_kcontrol
*kcontrol
,
2905 struct snd_ctl_elem_info
*uinfo
)
2907 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_IEC958
;
2912 static int snd_hda_spdif_cmask_get(struct snd_kcontrol
*kcontrol
,
2913 struct snd_ctl_elem_value
*ucontrol
)
2915 ucontrol
->value
.iec958
.status
[0] = IEC958_AES0_PROFESSIONAL
|
2916 IEC958_AES0_NONAUDIO
|
2917 IEC958_AES0_CON_EMPHASIS_5015
|
2918 IEC958_AES0_CON_NOT_COPYRIGHT
;
2919 ucontrol
->value
.iec958
.status
[1] = IEC958_AES1_CON_CATEGORY
|
2920 IEC958_AES1_CON_ORIGINAL
;
2924 static int snd_hda_spdif_pmask_get(struct snd_kcontrol
*kcontrol
,
2925 struct snd_ctl_elem_value
*ucontrol
)
2927 ucontrol
->value
.iec958
.status
[0] = IEC958_AES0_PROFESSIONAL
|
2928 IEC958_AES0_NONAUDIO
|
2929 IEC958_AES0_PRO_EMPHASIS_5015
;
2933 static int snd_hda_spdif_default_get(struct snd_kcontrol
*kcontrol
,
2934 struct snd_ctl_elem_value
*ucontrol
)
2936 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
2937 int idx
= kcontrol
->private_value
;
2938 struct hda_spdif_out
*spdif
;
2940 mutex_lock(&codec
->spdif_mutex
);
2941 spdif
= snd_array_elem(&codec
->spdif_out
, idx
);
2942 ucontrol
->value
.iec958
.status
[0] = spdif
->status
& 0xff;
2943 ucontrol
->value
.iec958
.status
[1] = (spdif
->status
>> 8) & 0xff;
2944 ucontrol
->value
.iec958
.status
[2] = (spdif
->status
>> 16) & 0xff;
2945 ucontrol
->value
.iec958
.status
[3] = (spdif
->status
>> 24) & 0xff;
2946 mutex_unlock(&codec
->spdif_mutex
);
2951 /* convert from SPDIF status bits to HDA SPDIF bits
2952 * bit 0 (DigEn) is always set zero (to be filled later)
2954 static unsigned short convert_from_spdif_status(unsigned int sbits
)
2956 unsigned short val
= 0;
2958 if (sbits
& IEC958_AES0_PROFESSIONAL
)
2959 val
|= AC_DIG1_PROFESSIONAL
;
2960 if (sbits
& IEC958_AES0_NONAUDIO
)
2961 val
|= AC_DIG1_NONAUDIO
;
2962 if (sbits
& IEC958_AES0_PROFESSIONAL
) {
2963 if ((sbits
& IEC958_AES0_PRO_EMPHASIS
) ==
2964 IEC958_AES0_PRO_EMPHASIS_5015
)
2965 val
|= AC_DIG1_EMPHASIS
;
2967 if ((sbits
& IEC958_AES0_CON_EMPHASIS
) ==
2968 IEC958_AES0_CON_EMPHASIS_5015
)
2969 val
|= AC_DIG1_EMPHASIS
;
2970 if (!(sbits
& IEC958_AES0_CON_NOT_COPYRIGHT
))
2971 val
|= AC_DIG1_COPYRIGHT
;
2972 if (sbits
& (IEC958_AES1_CON_ORIGINAL
<< 8))
2973 val
|= AC_DIG1_LEVEL
;
2974 val
|= sbits
& (IEC958_AES1_CON_CATEGORY
<< 8);
2979 /* convert to SPDIF status bits from HDA SPDIF bits
2981 static unsigned int convert_to_spdif_status(unsigned short val
)
2983 unsigned int sbits
= 0;
2985 if (val
& AC_DIG1_NONAUDIO
)
2986 sbits
|= IEC958_AES0_NONAUDIO
;
2987 if (val
& AC_DIG1_PROFESSIONAL
)
2988 sbits
|= IEC958_AES0_PROFESSIONAL
;
2989 if (sbits
& IEC958_AES0_PROFESSIONAL
) {
2990 if (sbits
& AC_DIG1_EMPHASIS
)
2991 sbits
|= IEC958_AES0_PRO_EMPHASIS_5015
;
2993 if (val
& AC_DIG1_EMPHASIS
)
2994 sbits
|= IEC958_AES0_CON_EMPHASIS_5015
;
2995 if (!(val
& AC_DIG1_COPYRIGHT
))
2996 sbits
|= IEC958_AES0_CON_NOT_COPYRIGHT
;
2997 if (val
& AC_DIG1_LEVEL
)
2998 sbits
|= (IEC958_AES1_CON_ORIGINAL
<< 8);
2999 sbits
|= val
& (0x7f << 8);
3004 /* set digital convert verbs both for the given NID and its slaves */
3005 static void set_dig_out(struct hda_codec
*codec
, hda_nid_t nid
,
3010 snd_hda_codec_write_cache(codec
, nid
, 0, verb
, val
);
3011 d
= codec
->slave_dig_outs
;
3015 snd_hda_codec_write_cache(codec
, *d
, 0, verb
, val
);
3018 static inline void set_dig_out_convert(struct hda_codec
*codec
, hda_nid_t nid
,
3022 set_dig_out(codec
, nid
, AC_VERB_SET_DIGI_CONVERT_1
, dig1
);
3024 set_dig_out(codec
, nid
, AC_VERB_SET_DIGI_CONVERT_2
, dig2
);
3027 static int snd_hda_spdif_default_put(struct snd_kcontrol
*kcontrol
,
3028 struct snd_ctl_elem_value
*ucontrol
)
3030 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
3031 int idx
= kcontrol
->private_value
;
3032 struct hda_spdif_out
*spdif
;
3037 mutex_lock(&codec
->spdif_mutex
);
3038 spdif
= snd_array_elem(&codec
->spdif_out
, idx
);
3040 spdif
->status
= ucontrol
->value
.iec958
.status
[0] |
3041 ((unsigned int)ucontrol
->value
.iec958
.status
[1] << 8) |
3042 ((unsigned int)ucontrol
->value
.iec958
.status
[2] << 16) |
3043 ((unsigned int)ucontrol
->value
.iec958
.status
[3] << 24);
3044 val
= convert_from_spdif_status(spdif
->status
);
3045 val
|= spdif
->ctls
& 1;
3046 change
= spdif
->ctls
!= val
;
3048 if (change
&& nid
!= (u16
)-1)
3049 set_dig_out_convert(codec
, nid
, val
& 0xff, (val
>> 8) & 0xff);
3050 mutex_unlock(&codec
->spdif_mutex
);
3054 #define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
3056 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol
*kcontrol
,
3057 struct snd_ctl_elem_value
*ucontrol
)
3059 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
3060 int idx
= kcontrol
->private_value
;
3061 struct hda_spdif_out
*spdif
;
3063 mutex_lock(&codec
->spdif_mutex
);
3064 spdif
= snd_array_elem(&codec
->spdif_out
, idx
);
3065 ucontrol
->value
.integer
.value
[0] = spdif
->ctls
& AC_DIG1_ENABLE
;
3066 mutex_unlock(&codec
->spdif_mutex
);
3070 static inline void set_spdif_ctls(struct hda_codec
*codec
, hda_nid_t nid
,
3073 set_dig_out_convert(codec
, nid
, dig1
, dig2
);
3074 /* unmute amp switch (if any) */
3075 if ((get_wcaps(codec
, nid
) & AC_WCAP_OUT_AMP
) &&
3076 (dig1
& AC_DIG1_ENABLE
))
3077 snd_hda_codec_amp_stereo(codec
, nid
, HDA_OUTPUT
, 0,
3081 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol
*kcontrol
,
3082 struct snd_ctl_elem_value
*ucontrol
)
3084 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
3085 int idx
= kcontrol
->private_value
;
3086 struct hda_spdif_out
*spdif
;
3091 mutex_lock(&codec
->spdif_mutex
);
3092 spdif
= snd_array_elem(&codec
->spdif_out
, idx
);
3094 val
= spdif
->ctls
& ~AC_DIG1_ENABLE
;
3095 if (ucontrol
->value
.integer
.value
[0])
3096 val
|= AC_DIG1_ENABLE
;
3097 change
= spdif
->ctls
!= val
;
3099 if (change
&& nid
!= (u16
)-1)
3100 set_spdif_ctls(codec
, nid
, val
& 0xff, -1);
3101 mutex_unlock(&codec
->spdif_mutex
);
3105 static struct snd_kcontrol_new dig_mixes
[] = {
3107 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
3108 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
3109 .name
= SNDRV_CTL_NAME_IEC958("", PLAYBACK
, CON_MASK
),
3110 .info
= snd_hda_spdif_mask_info
,
3111 .get
= snd_hda_spdif_cmask_get
,
3114 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
3115 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
3116 .name
= SNDRV_CTL_NAME_IEC958("", PLAYBACK
, PRO_MASK
),
3117 .info
= snd_hda_spdif_mask_info
,
3118 .get
= snd_hda_spdif_pmask_get
,
3121 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
3122 .name
= SNDRV_CTL_NAME_IEC958("", PLAYBACK
, DEFAULT
),
3123 .info
= snd_hda_spdif_mask_info
,
3124 .get
= snd_hda_spdif_default_get
,
3125 .put
= snd_hda_spdif_default_put
,
3128 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
3129 .name
= SNDRV_CTL_NAME_IEC958("", PLAYBACK
, SWITCH
),
3130 .info
= snd_hda_spdif_out_switch_info
,
3131 .get
= snd_hda_spdif_out_switch_get
,
3132 .put
= snd_hda_spdif_out_switch_put
,
3138 * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
3139 * @codec: the HDA codec
3140 * @nid: audio out widget NID
3142 * Creates controls related with the SPDIF output.
3143 * Called from each patch supporting the SPDIF out.
3145 * Returns 0 if successful, or a negative error code.
3147 int snd_hda_create_spdif_out_ctls(struct hda_codec
*codec
,
3148 hda_nid_t associated_nid
,
3152 struct snd_kcontrol
*kctl
;
3153 struct snd_kcontrol_new
*dig_mix
;
3155 struct hda_spdif_out
*spdif
;
3157 idx
= find_empty_mixer_ctl_idx(codec
, "IEC958 Playback Switch");
3159 printk(KERN_ERR
"hda_codec: too many IEC958 outputs\n");
3162 spdif
= snd_array_new(&codec
->spdif_out
);
3163 for (dig_mix
= dig_mixes
; dig_mix
->name
; dig_mix
++) {
3164 kctl
= snd_ctl_new1(dig_mix
, codec
);
3167 kctl
->id
.index
= idx
;
3168 kctl
->private_value
= codec
->spdif_out
.used
- 1;
3169 err
= snd_hda_ctl_add(codec
, associated_nid
, kctl
);
3173 spdif
->nid
= cvt_nid
;
3174 spdif
->ctls
= snd_hda_codec_read(codec
, cvt_nid
, 0,
3175 AC_VERB_GET_DIGI_CONVERT_1
, 0);
3176 spdif
->status
= convert_to_spdif_status(spdif
->ctls
);
3179 EXPORT_SYMBOL_HDA(snd_hda_create_spdif_out_ctls
);
3181 /* get the hda_spdif_out entry from the given NID
3182 * call within spdif_mutex lock
3184 struct hda_spdif_out
*snd_hda_spdif_out_of_nid(struct hda_codec
*codec
,
3188 for (i
= 0; i
< codec
->spdif_out
.used
; i
++) {
3189 struct hda_spdif_out
*spdif
=
3190 snd_array_elem(&codec
->spdif_out
, i
);
3191 if (spdif
->nid
== nid
)
3196 EXPORT_SYMBOL_HDA(snd_hda_spdif_out_of_nid
);
3198 void snd_hda_spdif_ctls_unassign(struct hda_codec
*codec
, int idx
)
3200 struct hda_spdif_out
*spdif
;
3202 mutex_lock(&codec
->spdif_mutex
);
3203 spdif
= snd_array_elem(&codec
->spdif_out
, idx
);
3204 spdif
->nid
= (u16
)-1;
3205 mutex_unlock(&codec
->spdif_mutex
);
3207 EXPORT_SYMBOL_HDA(snd_hda_spdif_ctls_unassign
);
3209 void snd_hda_spdif_ctls_assign(struct hda_codec
*codec
, int idx
, hda_nid_t nid
)
3211 struct hda_spdif_out
*spdif
;
3214 mutex_lock(&codec
->spdif_mutex
);
3215 spdif
= snd_array_elem(&codec
->spdif_out
, idx
);
3216 if (spdif
->nid
!= nid
) {
3219 set_spdif_ctls(codec
, nid
, val
& 0xff, (val
>> 8) & 0xff);
3221 mutex_unlock(&codec
->spdif_mutex
);
3223 EXPORT_SYMBOL_HDA(snd_hda_spdif_ctls_assign
);
3226 * SPDIF sharing with analog output
3228 static int spdif_share_sw_get(struct snd_kcontrol
*kcontrol
,
3229 struct snd_ctl_elem_value
*ucontrol
)
3231 struct hda_multi_out
*mout
= snd_kcontrol_chip(kcontrol
);
3232 ucontrol
->value
.integer
.value
[0] = mout
->share_spdif
;
3236 static int spdif_share_sw_put(struct snd_kcontrol
*kcontrol
,
3237 struct snd_ctl_elem_value
*ucontrol
)
3239 struct hda_multi_out
*mout
= snd_kcontrol_chip(kcontrol
);
3240 mout
->share_spdif
= !!ucontrol
->value
.integer
.value
[0];
3244 static struct snd_kcontrol_new spdif_share_sw
= {
3245 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
3246 .name
= "IEC958 Default PCM Playback Switch",
3247 .info
= snd_ctl_boolean_mono_info
,
3248 .get
= spdif_share_sw_get
,
3249 .put
= spdif_share_sw_put
,
3253 * snd_hda_create_spdif_share_sw - create Default PCM switch
3254 * @codec: the HDA codec
3255 * @mout: multi-out instance
3257 int snd_hda_create_spdif_share_sw(struct hda_codec
*codec
,
3258 struct hda_multi_out
*mout
)
3260 if (!mout
->dig_out_nid
)
3262 /* ATTENTION: here mout is passed as private_data, instead of codec */
3263 return snd_hda_ctl_add(codec
, mout
->dig_out_nid
,
3264 snd_ctl_new1(&spdif_share_sw
, mout
));
3266 EXPORT_SYMBOL_HDA(snd_hda_create_spdif_share_sw
);
3272 #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
3274 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol
*kcontrol
,
3275 struct snd_ctl_elem_value
*ucontrol
)
3277 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
3279 ucontrol
->value
.integer
.value
[0] = codec
->spdif_in_enable
;
3283 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol
*kcontrol
,
3284 struct snd_ctl_elem_value
*ucontrol
)
3286 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
3287 hda_nid_t nid
= kcontrol
->private_value
;
3288 unsigned int val
= !!ucontrol
->value
.integer
.value
[0];
3291 mutex_lock(&codec
->spdif_mutex
);
3292 change
= codec
->spdif_in_enable
!= val
;
3294 codec
->spdif_in_enable
= val
;
3295 snd_hda_codec_write_cache(codec
, nid
, 0,
3296 AC_VERB_SET_DIGI_CONVERT_1
, val
);
3298 mutex_unlock(&codec
->spdif_mutex
);
3302 static int snd_hda_spdif_in_status_get(struct snd_kcontrol
*kcontrol
,
3303 struct snd_ctl_elem_value
*ucontrol
)
3305 struct hda_codec
*codec
= snd_kcontrol_chip(kcontrol
);
3306 hda_nid_t nid
= kcontrol
->private_value
;
3310 val
= snd_hda_codec_read(codec
, nid
, 0, AC_VERB_GET_DIGI_CONVERT_1
, 0);
3311 sbits
= convert_to_spdif_status(val
);
3312 ucontrol
->value
.iec958
.status
[0] = sbits
;
3313 ucontrol
->value
.iec958
.status
[1] = sbits
>> 8;
3314 ucontrol
->value
.iec958
.status
[2] = sbits
>> 16;
3315 ucontrol
->value
.iec958
.status
[3] = sbits
>> 24;
3319 static struct snd_kcontrol_new dig_in_ctls
[] = {
3321 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
3322 .name
= SNDRV_CTL_NAME_IEC958("", CAPTURE
, SWITCH
),
3323 .info
= snd_hda_spdif_in_switch_info
,
3324 .get
= snd_hda_spdif_in_switch_get
,
3325 .put
= snd_hda_spdif_in_switch_put
,
3328 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
3329 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
3330 .name
= SNDRV_CTL_NAME_IEC958("", CAPTURE
, DEFAULT
),
3331 .info
= snd_hda_spdif_mask_info
,
3332 .get
= snd_hda_spdif_in_status_get
,
3338 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
3339 * @codec: the HDA codec
3340 * @nid: audio in widget NID
3342 * Creates controls related with the SPDIF input.
3343 * Called from each patch supporting the SPDIF in.
3345 * Returns 0 if successful, or a negative error code.
3347 int snd_hda_create_spdif_in_ctls(struct hda_codec
*codec
, hda_nid_t nid
)
3350 struct snd_kcontrol
*kctl
;
3351 struct snd_kcontrol_new
*dig_mix
;
3354 idx
= find_empty_mixer_ctl_idx(codec
, "IEC958 Capture Switch");
3356 printk(KERN_ERR
"hda_codec: too many IEC958 inputs\n");
3359 for (dig_mix
= dig_in_ctls
; dig_mix
->name
; dig_mix
++) {
3360 kctl
= snd_ctl_new1(dig_mix
, codec
);
3363 kctl
->private_value
= nid
;
3364 err
= snd_hda_ctl_add(codec
, nid
, kctl
);
3368 codec
->spdif_in_enable
=
3369 snd_hda_codec_read(codec
, nid
, 0,
3370 AC_VERB_GET_DIGI_CONVERT_1
, 0) &
3374 EXPORT_SYMBOL_HDA(snd_hda_create_spdif_in_ctls
);
3381 /* build a 32bit cache key with the widget id and the command parameter */
3382 #define build_cmd_cache_key(nid, verb) ((verb << 8) | nid)
3383 #define get_cmd_cache_nid(key) ((key) & 0xff)
3384 #define get_cmd_cache_cmd(key) (((key) >> 8) & 0xffff)
3387 * snd_hda_codec_write_cache - send a single command with caching
3388 * @codec: the HDA codec
3389 * @nid: NID to send the command
3390 * @direct: direct flag
3391 * @verb: the verb to send
3392 * @parm: the parameter for the verb
3394 * Send a single command without waiting for response.
3396 * Returns 0 if successful, or a negative error code.
3398 int snd_hda_codec_write_cache(struct hda_codec
*codec
, hda_nid_t nid
,
3399 int direct
, unsigned int verb
, unsigned int parm
)
3401 int err
= snd_hda_codec_write(codec
, nid
, direct
, verb
, parm
);
3402 struct hda_cache_head
*c
;
3407 /* parm may contain the verb stuff for get/set amp */
3408 verb
= verb
| (parm
>> 8);
3410 key
= build_cmd_cache_key(nid
, verb
);
3411 mutex_lock(&codec
->bus
->cmd_mutex
);
3412 c
= get_alloc_hash(&codec
->cmd_cache
, key
);
3415 mutex_unlock(&codec
->bus
->cmd_mutex
);
3418 EXPORT_SYMBOL_HDA(snd_hda_codec_write_cache
);
3421 * snd_hda_codec_update_cache - check cache and write the cmd only when needed
3422 * @codec: the HDA codec
3423 * @nid: NID to send the command
3424 * @direct: direct flag
3425 * @verb: the verb to send
3426 * @parm: the parameter for the verb
3428 * This function works like snd_hda_codec_write_cache(), but it doesn't send
3429 * command if the parameter is already identical with the cached value.
3430 * If not, it sends the command and refreshes the cache.
3432 * Returns 0 if successful, or a negative error code.
3434 int snd_hda_codec_update_cache(struct hda_codec
*codec
, hda_nid_t nid
,
3435 int direct
, unsigned int verb
, unsigned int parm
)
3437 struct hda_cache_head
*c
;
3440 /* parm may contain the verb stuff for get/set amp */
3441 verb
= verb
| (parm
>> 8);
3443 key
= build_cmd_cache_key(nid
, verb
);
3444 mutex_lock(&codec
->bus
->cmd_mutex
);
3445 c
= get_hash(&codec
->cmd_cache
, key
);
3446 if (c
&& c
->val
== parm
) {
3447 mutex_unlock(&codec
->bus
->cmd_mutex
);
3450 mutex_unlock(&codec
->bus
->cmd_mutex
);
3451 return snd_hda_codec_write_cache(codec
, nid
, direct
, verb
, parm
);
3453 EXPORT_SYMBOL_HDA(snd_hda_codec_update_cache
);
3456 * snd_hda_codec_resume_cache - Resume the all commands from the cache
3457 * @codec: HD-audio codec
3459 * Execute all verbs recorded in the command caches to resume.
3461 void snd_hda_codec_resume_cache(struct hda_codec
*codec
)
3463 struct hda_cache_head
*buffer
= codec
->cmd_cache
.buf
.list
;
3466 for (i
= 0; i
< codec
->cmd_cache
.buf
.used
; i
++, buffer
++) {
3467 u32 key
= buffer
->key
;
3470 snd_hda_codec_write(codec
, get_cmd_cache_nid(key
), 0,
3471 get_cmd_cache_cmd(key
), buffer
->val
);
3474 EXPORT_SYMBOL_HDA(snd_hda_codec_resume_cache
);
3477 * snd_hda_sequence_write_cache - sequence writes with caching
3478 * @codec: the HDA codec
3479 * @seq: VERB array to send
3481 * Send the commands sequentially from the given array.
3482 * Thte commands are recorded on cache for power-save and resume.
3483 * The array must be terminated with NID=0.
3485 void snd_hda_sequence_write_cache(struct hda_codec
*codec
,
3486 const struct hda_verb
*seq
)
3488 for (; seq
->nid
; seq
++)
3489 snd_hda_codec_write_cache(codec
, seq
->nid
, 0, seq
->verb
,
3492 EXPORT_SYMBOL_HDA(snd_hda_sequence_write_cache
);
3493 #endif /* CONFIG_PM */
3495 void snd_hda_codec_set_power_to_all(struct hda_codec
*codec
, hda_nid_t fg
,
3496 unsigned int power_state
,
3497 bool eapd_workaround
)
3499 hda_nid_t nid
= codec
->start_nid
;
3502 for (i
= 0; i
< codec
->num_nodes
; i
++, nid
++) {
3503 unsigned int wcaps
= get_wcaps(codec
, nid
);
3504 if (!(wcaps
& AC_WCAP_POWER
))
3506 /* don't power down the widget if it controls eapd and
3507 * EAPD_BTLENABLE is set.
3509 if (eapd_workaround
&& power_state
== AC_PWRST_D3
&&
3510 get_wcaps_type(wcaps
) == AC_WID_PIN
&&
3511 (snd_hda_query_pin_caps(codec
, nid
) & AC_PINCAP_EAPD
)) {
3512 int eapd
= snd_hda_codec_read(codec
, nid
, 0,
3513 AC_VERB_GET_EAPD_BTLENABLE
, 0);
3517 snd_hda_codec_write(codec
, nid
, 0, AC_VERB_SET_POWER_STATE
,
3521 EXPORT_SYMBOL_HDA(snd_hda_codec_set_power_to_all
);
3524 * supported power states check
3526 static bool snd_hda_codec_get_supported_ps(struct hda_codec
*codec
, hda_nid_t fg
,
3527 unsigned int power_state
)
3529 int sup
= snd_hda_param_read(codec
, fg
, AC_PAR_POWER_STATE
);
3533 if (sup
& power_state
)
3540 * wait until the state is reached, returns the current state
3542 static unsigned int hda_sync_power_state(struct hda_codec
*codec
,
3544 unsigned int power_state
)
3546 unsigned long end_time
= jiffies
+ msecs_to_jiffies(500);
3547 unsigned int state
, actual_state
;
3550 state
= snd_hda_codec_read(codec
, fg
, 0,
3551 AC_VERB_GET_POWER_STATE
, 0);
3552 if (state
& AC_PWRST_ERROR
)
3554 actual_state
= (state
>> 4) & 0x0f;
3555 if (actual_state
== power_state
)
3557 if (time_after_eq(jiffies
, end_time
))
3559 /* wait until the codec reachs to the target state */
3566 * set power state of the codec, and return the power state
3568 static unsigned int hda_set_power_state(struct hda_codec
*codec
,
3569 unsigned int power_state
)
3571 hda_nid_t fg
= codec
->afg
? codec
->afg
: codec
->mfg
;
3575 /* this delay seems necessary to avoid click noise at power-down */
3576 if (power_state
== AC_PWRST_D3
) {
3577 /* transition time less than 10ms for power down */
3578 msleep(codec
->epss
? 10 : 100);
3581 /* repeat power states setting at most 10 times*/
3582 for (count
= 0; count
< 10; count
++) {
3583 if (codec
->patch_ops
.set_power_state
)
3584 codec
->patch_ops
.set_power_state(codec
, fg
,
3587 snd_hda_codec_read(codec
, fg
, 0,
3588 AC_VERB_SET_POWER_STATE
,
3590 snd_hda_codec_set_power_to_all(codec
, fg
, power_state
,
3593 state
= hda_sync_power_state(codec
, fg
, power_state
);
3594 if (!(state
& AC_PWRST_ERROR
))
3601 #ifdef CONFIG_SND_HDA_HWDEP
3602 /* execute additional init verbs */
3603 static void hda_exec_init_verbs(struct hda_codec
*codec
)
3605 if (codec
->init_verbs
.list
)
3606 snd_hda_sequence_write(codec
, codec
->init_verbs
.list
);
3609 static inline void hda_exec_init_verbs(struct hda_codec
*codec
) {}
3614 * call suspend and power-down; used both from PM and power-save
3615 * this function returns the power state in the end
3617 static unsigned int hda_call_codec_suspend(struct hda_codec
*codec
, bool in_wq
)
3623 if (codec
->patch_ops
.suspend
)
3624 codec
->patch_ops
.suspend(codec
);
3625 hda_cleanup_all_streams(codec
);
3626 state
= hda_set_power_state(codec
, AC_PWRST_D3
);
3627 /* Cancel delayed work if we aren't currently running from it. */
3629 cancel_delayed_work_sync(&codec
->power_work
);
3630 spin_lock(&codec
->power_lock
);
3631 snd_hda_update_power_acct(codec
);
3632 trace_hda_power_down(codec
);
3633 codec
->power_on
= 0;
3634 codec
->power_transition
= 0;
3635 codec
->power_jiffies
= jiffies
;
3636 spin_unlock(&codec
->power_lock
);
3642 * kick up codec; used both from PM and power-save
3644 static void hda_call_codec_resume(struct hda_codec
*codec
)
3648 /* set as if powered on for avoiding re-entering the resume
3649 * in the resume / power-save sequence
3651 hda_keep_power_on(codec
);
3652 hda_set_power_state(codec
, AC_PWRST_D0
);
3653 restore_pincfgs(codec
); /* restore all current pin configs */
3654 restore_shutup_pins(codec
);
3655 hda_exec_init_verbs(codec
);
3656 snd_hda_jack_set_dirty_all(codec
);
3657 if (codec
->patch_ops
.resume
)
3658 codec
->patch_ops
.resume(codec
);
3660 if (codec
->patch_ops
.init
)
3661 codec
->patch_ops
.init(codec
);
3662 snd_hda_codec_resume_amp(codec
);
3663 snd_hda_codec_resume_cache(codec
);
3665 snd_hda_jack_report_sync(codec
);
3668 snd_hda_power_down(codec
); /* flag down before returning */
3670 #endif /* CONFIG_PM */
3674 * snd_hda_build_controls - build mixer controls
3677 * Creates mixer controls for each codec included in the bus.
3679 * Returns 0 if successful, otherwise a negative error code.
3681 int /*__devinit*/ snd_hda_build_controls(struct hda_bus
*bus
)
3683 struct hda_codec
*codec
;
3685 list_for_each_entry(codec
, &bus
->codec_list
, list
) {
3686 int err
= snd_hda_codec_build_controls(codec
);
3688 printk(KERN_ERR
"hda_codec: cannot build controls "
3689 "for #%d (error %d)\n", codec
->addr
, err
);
3690 err
= snd_hda_codec_reset(codec
);
3693 "hda_codec: cannot revert codec\n");
3700 EXPORT_SYMBOL_HDA(snd_hda_build_controls
);
3703 * add standard channel maps if not specified
3705 static int add_std_chmaps(struct hda_codec
*codec
)
3709 for (i
= 0; i
< codec
->num_pcms
; i
++) {
3710 for (str
= 0; str
< 2; str
++) {
3711 struct snd_pcm
*pcm
= codec
->pcm_info
[i
].pcm
;
3712 struct hda_pcm_stream
*hinfo
=
3713 &codec
->pcm_info
[i
].stream
[str
];
3714 struct snd_pcm_chmap
*chmap
;
3716 if (codec
->pcm_info
[i
].own_chmap
)
3718 if (!pcm
|| !hinfo
->substreams
)
3720 err
= snd_pcm_add_chmap_ctls(pcm
, str
,
3722 hinfo
->channels_max
,
3726 chmap
->channel_mask
= SND_PCM_CHMAP_MASK_2468
;
3732 int snd_hda_codec_build_controls(struct hda_codec
*codec
)
3735 hda_exec_init_verbs(codec
);
3736 /* continue to initialize... */
3737 if (codec
->patch_ops
.init
)
3738 err
= codec
->patch_ops
.init(codec
);
3739 if (!err
&& codec
->patch_ops
.build_controls
)
3740 err
= codec
->patch_ops
.build_controls(codec
);
3744 /* we create chmaps here instead of build_pcms */
3745 err
= add_std_chmaps(codec
);
3749 snd_hda_jack_report_sync(codec
); /* call at the last init point */
3756 struct hda_rate_tbl
{
3758 unsigned int alsa_bits
;
3759 unsigned int hda_fmt
;
3762 /* rate = base * mult / div */
3763 #define HDA_RATE(base, mult, div) \
3764 (AC_FMT_BASE_##base##K | (((mult) - 1) << AC_FMT_MULT_SHIFT) | \
3765 (((div) - 1) << AC_FMT_DIV_SHIFT))
3767 static struct hda_rate_tbl rate_bits
[] = {
3768 /* rate in Hz, ALSA rate bitmask, HDA format value */
3770 /* autodetected value used in snd_hda_query_supported_pcm */
3771 { 8000, SNDRV_PCM_RATE_8000
, HDA_RATE(48, 1, 6) },
3772 { 11025, SNDRV_PCM_RATE_11025
, HDA_RATE(44, 1, 4) },
3773 { 16000, SNDRV_PCM_RATE_16000
, HDA_RATE(48, 1, 3) },
3774 { 22050, SNDRV_PCM_RATE_22050
, HDA_RATE(44, 1, 2) },
3775 { 32000, SNDRV_PCM_RATE_32000
, HDA_RATE(48, 2, 3) },
3776 { 44100, SNDRV_PCM_RATE_44100
, HDA_RATE(44, 1, 1) },
3777 { 48000, SNDRV_PCM_RATE_48000
, HDA_RATE(48, 1, 1) },
3778 { 88200, SNDRV_PCM_RATE_88200
, HDA_RATE(44, 2, 1) },
3779 { 96000, SNDRV_PCM_RATE_96000
, HDA_RATE(48, 2, 1) },
3780 { 176400, SNDRV_PCM_RATE_176400
, HDA_RATE(44, 4, 1) },
3781 { 192000, SNDRV_PCM_RATE_192000
, HDA_RATE(48, 4, 1) },
3782 #define AC_PAR_PCM_RATE_BITS 11
3783 /* up to bits 10, 384kHZ isn't supported properly */
3785 /* not autodetected value */
3786 { 9600, SNDRV_PCM_RATE_KNOT
, HDA_RATE(48, 1, 5) },
3788 { 0 } /* terminator */
3792 * snd_hda_calc_stream_format - calculate format bitset
3793 * @rate: the sample rate
3794 * @channels: the number of channels
3795 * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
3796 * @maxbps: the max. bps
3798 * Calculate the format bitset from the given rate, channels and th PCM format.
3800 * Return zero if invalid.
3802 unsigned int snd_hda_calc_stream_format(unsigned int rate
,
3803 unsigned int channels
,
3804 unsigned int format
,
3805 unsigned int maxbps
,
3806 unsigned short spdif_ctls
)
3809 unsigned int val
= 0;
3811 for (i
= 0; rate_bits
[i
].hz
; i
++)
3812 if (rate_bits
[i
].hz
== rate
) {
3813 val
= rate_bits
[i
].hda_fmt
;
3816 if (!rate_bits
[i
].hz
) {
3817 snd_printdd("invalid rate %d\n", rate
);
3821 if (channels
== 0 || channels
> 8) {
3822 snd_printdd("invalid channels %d\n", channels
);
3825 val
|= channels
- 1;
3827 switch (snd_pcm_format_width(format
)) {
3829 val
|= AC_FMT_BITS_8
;
3832 val
|= AC_FMT_BITS_16
;
3837 if (maxbps
>= 32 || format
== SNDRV_PCM_FORMAT_FLOAT_LE
)
3838 val
|= AC_FMT_BITS_32
;
3839 else if (maxbps
>= 24)
3840 val
|= AC_FMT_BITS_24
;
3842 val
|= AC_FMT_BITS_20
;
3845 snd_printdd("invalid format width %d\n",
3846 snd_pcm_format_width(format
));
3850 if (spdif_ctls
& AC_DIG1_NONAUDIO
)
3851 val
|= AC_FMT_TYPE_NON_PCM
;
3855 EXPORT_SYMBOL_HDA(snd_hda_calc_stream_format
);
3857 static unsigned int get_pcm_param(struct hda_codec
*codec
, hda_nid_t nid
,
3860 unsigned int val
= 0;
3861 if (nid
!= codec
->afg
&&
3862 (get_wcaps(codec
, nid
) & AC_WCAP_FORMAT_OVRD
))
3863 val
= snd_hda_param_read(codec
, nid
, AC_PAR_PCM
);
3864 if (!val
|| val
== -1)
3865 val
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_PCM
);
3866 if (!val
|| val
== -1)
3871 static unsigned int query_pcm_param(struct hda_codec
*codec
, hda_nid_t nid
)
3873 return query_caps_hash(codec
, nid
, 0, HDA_HASH_PARPCM_KEY(nid
),
3877 static unsigned int get_stream_param(struct hda_codec
*codec
, hda_nid_t nid
,
3880 unsigned int streams
= snd_hda_param_read(codec
, nid
, AC_PAR_STREAM
);
3881 if (!streams
|| streams
== -1)
3882 streams
= snd_hda_param_read(codec
, codec
->afg
, AC_PAR_STREAM
);
3883 if (!streams
|| streams
== -1)
3888 static unsigned int query_stream_param(struct hda_codec
*codec
, hda_nid_t nid
)
3890 return query_caps_hash(codec
, nid
, 0, HDA_HASH_PARSTR_KEY(nid
),
3895 * snd_hda_query_supported_pcm - query the supported PCM rates and formats
3896 * @codec: the HDA codec
3897 * @nid: NID to query
3898 * @ratesp: the pointer to store the detected rate bitflags
3899 * @formatsp: the pointer to store the detected formats
3900 * @bpsp: the pointer to store the detected format widths
3902 * Queries the supported PCM rates and formats. The NULL @ratesp, @formatsp
3903 * or @bsps argument is ignored.
3905 * Returns 0 if successful, otherwise a negative error code.
3907 int snd_hda_query_supported_pcm(struct hda_codec
*codec
, hda_nid_t nid
,
3908 u32
*ratesp
, u64
*formatsp
, unsigned int *bpsp
)
3910 unsigned int i
, val
, wcaps
;
3912 wcaps
= get_wcaps(codec
, nid
);
3913 val
= query_pcm_param(codec
, nid
);
3917 for (i
= 0; i
< AC_PAR_PCM_RATE_BITS
; i
++) {
3919 rates
|= rate_bits
[i
].alsa_bits
;
3922 snd_printk(KERN_ERR
"hda_codec: rates == 0 "
3923 "(nid=0x%x, val=0x%x, ovrd=%i)\n",
3925 (wcaps
& AC_WCAP_FORMAT_OVRD
) ? 1 : 0);
3931 if (formatsp
|| bpsp
) {
3933 unsigned int streams
, bps
;
3935 streams
= query_stream_param(codec
, nid
);
3940 if (streams
& AC_SUPFMT_PCM
) {
3941 if (val
& AC_SUPPCM_BITS_8
) {
3942 formats
|= SNDRV_PCM_FMTBIT_U8
;
3945 if (val
& AC_SUPPCM_BITS_16
) {
3946 formats
|= SNDRV_PCM_FMTBIT_S16_LE
;
3949 if (wcaps
& AC_WCAP_DIGITAL
) {
3950 if (val
& AC_SUPPCM_BITS_32
)
3951 formats
|= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE
;
3952 if (val
& (AC_SUPPCM_BITS_20
|AC_SUPPCM_BITS_24
))
3953 formats
|= SNDRV_PCM_FMTBIT_S32_LE
;
3954 if (val
& AC_SUPPCM_BITS_24
)
3956 else if (val
& AC_SUPPCM_BITS_20
)
3958 } else if (val
& (AC_SUPPCM_BITS_20
|AC_SUPPCM_BITS_24
|
3959 AC_SUPPCM_BITS_32
)) {
3960 formats
|= SNDRV_PCM_FMTBIT_S32_LE
;
3961 if (val
& AC_SUPPCM_BITS_32
)
3963 else if (val
& AC_SUPPCM_BITS_24
)
3965 else if (val
& AC_SUPPCM_BITS_20
)
3969 #if 0 /* FIXME: CS4206 doesn't work, which is the only codec supporting float */
3970 if (streams
& AC_SUPFMT_FLOAT32
) {
3971 formats
|= SNDRV_PCM_FMTBIT_FLOAT_LE
;
3976 if (streams
== AC_SUPFMT_AC3
) {
3977 /* should be exclusive */
3978 /* temporary hack: we have still no proper support
3979 * for the direct AC3 stream...
3981 formats
|= SNDRV_PCM_FMTBIT_U8
;
3985 snd_printk(KERN_ERR
"hda_codec: formats == 0 "
3986 "(nid=0x%x, val=0x%x, ovrd=%i, "
3989 (wcaps
& AC_WCAP_FORMAT_OVRD
) ? 1 : 0,
3994 *formatsp
= formats
;
4001 EXPORT_SYMBOL_HDA(snd_hda_query_supported_pcm
);
4004 * snd_hda_is_supported_format - Check the validity of the format
4005 * @codec: HD-audio codec
4006 * @nid: NID to check
4007 * @format: the HD-audio format value to check
4009 * Check whether the given node supports the format value.
4011 * Returns 1 if supported, 0 if not.
4013 int snd_hda_is_supported_format(struct hda_codec
*codec
, hda_nid_t nid
,
4014 unsigned int format
)
4017 unsigned int val
= 0, rate
, stream
;
4019 val
= query_pcm_param(codec
, nid
);
4023 rate
= format
& 0xff00;
4024 for (i
= 0; i
< AC_PAR_PCM_RATE_BITS
; i
++)
4025 if (rate_bits
[i
].hda_fmt
== rate
) {
4030 if (i
>= AC_PAR_PCM_RATE_BITS
)
4033 stream
= query_stream_param(codec
, nid
);
4037 if (stream
& AC_SUPFMT_PCM
) {
4038 switch (format
& 0xf0) {
4040 if (!(val
& AC_SUPPCM_BITS_8
))
4044 if (!(val
& AC_SUPPCM_BITS_16
))
4048 if (!(val
& AC_SUPPCM_BITS_20
))
4052 if (!(val
& AC_SUPPCM_BITS_24
))
4056 if (!(val
& AC_SUPPCM_BITS_32
))
4063 /* FIXME: check for float32 and AC3? */
4068 EXPORT_SYMBOL_HDA(snd_hda_is_supported_format
);
4073 static int hda_pcm_default_open_close(struct hda_pcm_stream
*hinfo
,
4074 struct hda_codec
*codec
,
4075 struct snd_pcm_substream
*substream
)
4080 static int hda_pcm_default_prepare(struct hda_pcm_stream
*hinfo
,
4081 struct hda_codec
*codec
,
4082 unsigned int stream_tag
,
4083 unsigned int format
,
4084 struct snd_pcm_substream
*substream
)
4086 snd_hda_codec_setup_stream(codec
, hinfo
->nid
, stream_tag
, 0, format
);
4090 static int hda_pcm_default_cleanup(struct hda_pcm_stream
*hinfo
,
4091 struct hda_codec
*codec
,
4092 struct snd_pcm_substream
*substream
)
4094 snd_hda_codec_cleanup_stream(codec
, hinfo
->nid
);
4098 static int set_pcm_default_values(struct hda_codec
*codec
,
4099 struct hda_pcm_stream
*info
)
4103 /* query support PCM information from the given NID */
4104 if (info
->nid
&& (!info
->rates
|| !info
->formats
)) {
4105 err
= snd_hda_query_supported_pcm(codec
, info
->nid
,
4106 info
->rates
? NULL
: &info
->rates
,
4107 info
->formats
? NULL
: &info
->formats
,
4108 info
->maxbps
? NULL
: &info
->maxbps
);
4112 if (info
->ops
.open
== NULL
)
4113 info
->ops
.open
= hda_pcm_default_open_close
;
4114 if (info
->ops
.close
== NULL
)
4115 info
->ops
.close
= hda_pcm_default_open_close
;
4116 if (info
->ops
.prepare
== NULL
) {
4117 if (snd_BUG_ON(!info
->nid
))
4119 info
->ops
.prepare
= hda_pcm_default_prepare
;
4121 if (info
->ops
.cleanup
== NULL
) {
4122 if (snd_BUG_ON(!info
->nid
))
4124 info
->ops
.cleanup
= hda_pcm_default_cleanup
;
4130 * codec prepare/cleanup entries
4132 int snd_hda_codec_prepare(struct hda_codec
*codec
,
4133 struct hda_pcm_stream
*hinfo
,
4134 unsigned int stream
,
4135 unsigned int format
,
4136 struct snd_pcm_substream
*substream
)
4139 mutex_lock(&codec
->bus
->prepare_mutex
);
4140 ret
= hinfo
->ops
.prepare(hinfo
, codec
, stream
, format
, substream
);
4142 purify_inactive_streams(codec
);
4143 mutex_unlock(&codec
->bus
->prepare_mutex
);
4146 EXPORT_SYMBOL_HDA(snd_hda_codec_prepare
);
4148 void snd_hda_codec_cleanup(struct hda_codec
*codec
,
4149 struct hda_pcm_stream
*hinfo
,
4150 struct snd_pcm_substream
*substream
)
4152 mutex_lock(&codec
->bus
->prepare_mutex
);
4153 hinfo
->ops
.cleanup(hinfo
, codec
, substream
);
4154 mutex_unlock(&codec
->bus
->prepare_mutex
);
4156 EXPORT_SYMBOL_HDA(snd_hda_codec_cleanup
);
4159 const char *snd_hda_pcm_type_name
[HDA_PCM_NTYPES
] = {
4160 "Audio", "SPDIF", "HDMI", "Modem"
4164 * get the empty PCM device number to assign
4166 * note the max device number is limited by HDA_MAX_PCMS, currently 10
4168 static int get_empty_pcm_device(struct hda_bus
*bus
, int type
)
4170 /* audio device indices; not linear to keep compatibility */
4171 static int audio_idx
[HDA_PCM_NTYPES
][5] = {
4172 [HDA_PCM_TYPE_AUDIO
] = { 0, 2, 4, 5, -1 },
4173 [HDA_PCM_TYPE_SPDIF
] = { 1, -1 },
4174 [HDA_PCM_TYPE_HDMI
] = { 3, 7, 8, 9, -1 },
4175 [HDA_PCM_TYPE_MODEM
] = { 6, -1 },
4179 if (type
>= HDA_PCM_NTYPES
) {
4180 snd_printk(KERN_WARNING
"Invalid PCM type %d\n", type
);
4184 for (i
= 0; audio_idx
[type
][i
] >= 0 ; i
++)
4185 if (!test_and_set_bit(audio_idx
[type
][i
], bus
->pcm_dev_bits
))
4186 return audio_idx
[type
][i
];
4188 /* non-fixed slots starting from 10 */
4189 for (i
= 10; i
< 32; i
++) {
4190 if (!test_and_set_bit(i
, bus
->pcm_dev_bits
))
4194 snd_printk(KERN_WARNING
"Too many %s devices\n",
4195 snd_hda_pcm_type_name
[type
]);
4200 * attach a new PCM stream
4202 static int snd_hda_attach_pcm(struct hda_codec
*codec
, struct hda_pcm
*pcm
)
4204 struct hda_bus
*bus
= codec
->bus
;
4205 struct hda_pcm_stream
*info
;
4208 if (snd_BUG_ON(!pcm
->name
))
4210 for (stream
= 0; stream
< 2; stream
++) {
4211 info
= &pcm
->stream
[stream
];
4212 if (info
->substreams
) {
4213 err
= set_pcm_default_values(codec
, info
);
4218 return bus
->ops
.attach_pcm(bus
, codec
, pcm
);
4221 /* assign all PCMs of the given codec */
4222 int snd_hda_codec_build_pcms(struct hda_codec
*codec
)
4227 if (!codec
->num_pcms
) {
4228 if (!codec
->patch_ops
.build_pcms
)
4230 err
= codec
->patch_ops
.build_pcms(codec
);
4232 printk(KERN_ERR
"hda_codec: cannot build PCMs"
4233 "for #%d (error %d)\n", codec
->addr
, err
);
4234 err
= snd_hda_codec_reset(codec
);
4237 "hda_codec: cannot revert codec\n");
4242 for (pcm
= 0; pcm
< codec
->num_pcms
; pcm
++) {
4243 struct hda_pcm
*cpcm
= &codec
->pcm_info
[pcm
];
4246 if (!cpcm
->stream
[0].substreams
&& !cpcm
->stream
[1].substreams
)
4247 continue; /* no substreams assigned */
4250 dev
= get_empty_pcm_device(codec
->bus
, cpcm
->pcm_type
);
4252 continue; /* no fatal error */
4254 err
= snd_hda_attach_pcm(codec
, cpcm
);
4256 printk(KERN_ERR
"hda_codec: cannot attach "
4257 "PCM stream %d for codec #%d\n",
4259 continue; /* no fatal error */
4267 * snd_hda_build_pcms - build PCM information
4270 * Create PCM information for each codec included in the bus.
4272 * The build_pcms codec patch is requested to set up codec->num_pcms and
4273 * codec->pcm_info properly. The array is referred by the top-level driver
4274 * to create its PCM instances.
4275 * The allocated codec->pcm_info should be released in codec->patch_ops.free
4278 * At least, substreams, channels_min and channels_max must be filled for
4279 * each stream. substreams = 0 indicates that the stream doesn't exist.
4280 * When rates and/or formats are zero, the supported values are queried
4281 * from the given nid. The nid is used also by the default ops.prepare
4282 * and ops.cleanup callbacks.
4284 * The driver needs to call ops.open in its open callback. Similarly,
4285 * ops.close is supposed to be called in the close callback.
4286 * ops.prepare should be called in the prepare or hw_params callback
4287 * with the proper parameters for set up.
4288 * ops.cleanup should be called in hw_free for clean up of streams.
4290 * This function returns 0 if successful, or a negative error code.
4292 int snd_hda_build_pcms(struct hda_bus
*bus
)
4294 struct hda_codec
*codec
;
4296 list_for_each_entry(codec
, &bus
->codec_list
, list
) {
4297 int err
= snd_hda_codec_build_pcms(codec
);
4303 EXPORT_SYMBOL_HDA(snd_hda_build_pcms
);
4306 * snd_hda_check_board_config - compare the current codec with the config table
4307 * @codec: the HDA codec
4308 * @num_configs: number of config enums
4309 * @models: array of model name strings
4310 * @tbl: configuration table, terminated by null entries
4312 * Compares the modelname or PCI subsystem id of the current codec with the
4313 * given configuration table. If a matching entry is found, returns its
4314 * config value (supposed to be 0 or positive).
4316 * If no entries are matching, the function returns a negative value.
4318 int snd_hda_check_board_config(struct hda_codec
*codec
,
4319 int num_configs
, const char * const *models
,
4320 const struct snd_pci_quirk
*tbl
)
4322 if (codec
->modelname
&& models
) {
4324 for (i
= 0; i
< num_configs
; i
++) {
4326 !strcmp(codec
->modelname
, models
[i
])) {
4327 snd_printd(KERN_INFO
"hda_codec: model '%s' is "
4328 "selected\n", models
[i
]);
4334 if (!codec
->bus
->pci
|| !tbl
)
4337 tbl
= snd_pci_quirk_lookup(codec
->bus
->pci
, tbl
);
4340 if (tbl
->value
>= 0 && tbl
->value
< num_configs
) {
4341 #ifdef CONFIG_SND_DEBUG_VERBOSE
4343 const char *model
= NULL
;
4345 model
= models
[tbl
->value
];
4347 sprintf(tmp
, "#%d", tbl
->value
);
4350 snd_printdd(KERN_INFO
"hda_codec: model '%s' is selected "
4351 "for config %x:%x (%s)\n",
4352 model
, tbl
->subvendor
, tbl
->subdevice
,
4353 (tbl
->name
? tbl
->name
: "Unknown device"));
4359 EXPORT_SYMBOL_HDA(snd_hda_check_board_config
);
4362 * snd_hda_check_board_codec_sid_config - compare the current codec
4363 subsystem ID with the
4366 This is important for Gateway notebooks with SB450 HDA Audio
4367 where the vendor ID of the PCI device is:
4368 ATI Technologies Inc SB450 HDA Audio [1002:437b]
4369 and the vendor/subvendor are found only at the codec.
4371 * @codec: the HDA codec
4372 * @num_configs: number of config enums
4373 * @models: array of model name strings
4374 * @tbl: configuration table, terminated by null entries
4376 * Compares the modelname or PCI subsystem id of the current codec with the
4377 * given configuration table. If a matching entry is found, returns its
4378 * config value (supposed to be 0 or positive).
4380 * If no entries are matching, the function returns a negative value.
4382 int snd_hda_check_board_codec_sid_config(struct hda_codec
*codec
,
4383 int num_configs
, const char * const *models
,
4384 const struct snd_pci_quirk
*tbl
)
4386 const struct snd_pci_quirk
*q
;
4388 /* Search for codec ID */
4389 for (q
= tbl
; q
->subvendor
; q
++) {
4390 unsigned int mask
= 0xffff0000 | q
->subdevice_mask
;
4391 unsigned int id
= (q
->subdevice
| (q
->subvendor
<< 16)) & mask
;
4392 if ((codec
->subsystem_id
& mask
) == id
)
4401 if (tbl
->value
>= 0 && tbl
->value
< num_configs
) {
4402 #ifdef CONFIG_SND_DEBUG_VERBOSE
4404 const char *model
= NULL
;
4406 model
= models
[tbl
->value
];
4408 sprintf(tmp
, "#%d", tbl
->value
);
4411 snd_printdd(KERN_INFO
"hda_codec: model '%s' is selected "
4412 "for config %x:%x (%s)\n",
4413 model
, tbl
->subvendor
, tbl
->subdevice
,
4414 (tbl
->name
? tbl
->name
: "Unknown device"));
4420 EXPORT_SYMBOL_HDA(snd_hda_check_board_codec_sid_config
);
4423 * snd_hda_add_new_ctls - create controls from the array
4424 * @codec: the HDA codec
4425 * @knew: the array of struct snd_kcontrol_new
4427 * This helper function creates and add new controls in the given array.
4428 * The array must be terminated with an empty entry as terminator.
4430 * Returns 0 if successful, or a negative error code.
4432 int snd_hda_add_new_ctls(struct hda_codec
*codec
,
4433 const struct snd_kcontrol_new
*knew
)
4437 for (; knew
->name
; knew
++) {
4438 struct snd_kcontrol
*kctl
;
4439 int addr
= 0, idx
= 0;
4440 if (knew
->iface
== -1) /* skip this codec private value */
4443 kctl
= snd_ctl_new1(knew
, codec
);
4447 kctl
->id
.device
= addr
;
4449 kctl
->id
.index
= idx
;
4450 err
= snd_hda_ctl_add(codec
, 0, kctl
);
4453 /* try first with another device index corresponding to
4454 * the codec addr; if it still fails (or it's the
4455 * primary codec), then try another control index
4457 if (!addr
&& codec
->addr
)
4459 else if (!idx
&& !knew
->index
) {
4460 idx
= find_empty_mixer_ctl_idx(codec
,
4470 EXPORT_SYMBOL_HDA(snd_hda_add_new_ctls
);
4473 static void hda_power_work(struct work_struct
*work
)
4475 struct hda_codec
*codec
=
4476 container_of(work
, struct hda_codec
, power_work
.work
);
4477 struct hda_bus
*bus
= codec
->bus
;
4480 spin_lock(&codec
->power_lock
);
4481 if (codec
->power_transition
> 0) { /* during power-up sequence? */
4482 spin_unlock(&codec
->power_lock
);
4485 if (!codec
->power_on
|| codec
->power_count
) {
4486 codec
->power_transition
= 0;
4487 spin_unlock(&codec
->power_lock
);
4490 spin_unlock(&codec
->power_lock
);
4492 state
= hda_call_codec_suspend(codec
, true);
4493 codec
->pm_down_notified
= 0;
4494 if (!bus
->power_keep_link_on
&& (state
& AC_PWRST_CLK_STOP_OK
)) {
4495 codec
->pm_down_notified
= 1;
4496 hda_call_pm_notify(bus
, false);
4500 static void hda_keep_power_on(struct hda_codec
*codec
)
4502 spin_lock(&codec
->power_lock
);
4503 codec
->power_count
++;
4504 codec
->power_on
= 1;
4505 codec
->power_jiffies
= jiffies
;
4506 spin_unlock(&codec
->power_lock
);
4509 /* update the power on/off account with the current jiffies */
4510 void snd_hda_update_power_acct(struct hda_codec
*codec
)
4512 unsigned long delta
= jiffies
- codec
->power_jiffies
;
4513 if (codec
->power_on
)
4514 codec
->power_on_acct
+= delta
;
4516 codec
->power_off_acct
+= delta
;
4517 codec
->power_jiffies
+= delta
;
4520 /* Transition to powered up, if wait_power_down then wait for a pending
4521 * transition to D3 to complete. A pending D3 transition is indicated
4522 * with power_transition == -1. */
4523 /* call this with codec->power_lock held! */
4524 static void __snd_hda_power_up(struct hda_codec
*codec
, bool wait_power_down
)
4526 struct hda_bus
*bus
= codec
->bus
;
4528 /* Return if power_on or transitioning to power_on, unless currently
4530 if ((codec
->power_on
|| codec
->power_transition
> 0) &&
4531 !(wait_power_down
&& codec
->power_transition
< 0))
4533 spin_unlock(&codec
->power_lock
);
4535 cancel_delayed_work_sync(&codec
->power_work
);
4537 spin_lock(&codec
->power_lock
);
4538 /* If the power down delayed work was cancelled above before starting,
4539 * then there is no need to go through power up here.
4541 if (codec
->power_on
) {
4542 if (codec
->power_transition
< 0)
4543 codec
->power_transition
= 0;
4547 trace_hda_power_up(codec
);
4548 snd_hda_update_power_acct(codec
);
4549 codec
->power_on
= 1;
4550 codec
->power_jiffies
= jiffies
;
4551 codec
->power_transition
= 1; /* avoid reentrance */
4552 spin_unlock(&codec
->power_lock
);
4554 if (codec
->pm_down_notified
) {
4555 codec
->pm_down_notified
= 0;
4556 hda_call_pm_notify(bus
, true);
4559 hda_call_codec_resume(codec
);
4561 spin_lock(&codec
->power_lock
);
4562 codec
->power_transition
= 0;
4565 #define power_save(codec) \
4566 ((codec)->bus->power_save ? *(codec)->bus->power_save : 0)
4568 /* Transition to powered down */
4569 static void __snd_hda_power_down(struct hda_codec
*codec
)
4571 if (!codec
->power_on
|| codec
->power_count
|| codec
->power_transition
)
4574 if (power_save(codec
)) {
4575 codec
->power_transition
= -1; /* avoid reentrance */
4576 queue_delayed_work(codec
->bus
->workq
, &codec
->power_work
,
4577 msecs_to_jiffies(power_save(codec
) * 1000));
4582 * snd_hda_power_save - Power-up/down/sync the codec
4583 * @codec: HD-audio codec
4584 * @delta: the counter delta to change
4586 * Change the power-up counter via @delta, and power up or down the hardware
4587 * appropriately. For the power-down, queue to the delayed action.
4588 * Passing zero to @delta means to synchronize the power state.
4590 void snd_hda_power_save(struct hda_codec
*codec
, int delta
, bool d3wait
)
4592 spin_lock(&codec
->power_lock
);
4593 codec
->power_count
+= delta
;
4594 trace_hda_power_count(codec
);
4596 __snd_hda_power_up(codec
, d3wait
);
4598 __snd_hda_power_down(codec
);
4599 spin_unlock(&codec
->power_lock
);
4601 EXPORT_SYMBOL_HDA(snd_hda_power_save
);
4604 * snd_hda_check_amp_list_power - Check the amp list and update the power
4605 * @codec: HD-audio codec
4606 * @check: the object containing an AMP list and the status
4607 * @nid: NID to check / update
4609 * Check whether the given NID is in the amp list. If it's in the list,
4610 * check the current AMP status, and update the the power-status according
4611 * to the mute status.
4613 * This function is supposed to be set or called from the check_power_status
4616 int snd_hda_check_amp_list_power(struct hda_codec
*codec
,
4617 struct hda_loopback_check
*check
,
4620 const struct hda_amp_list
*p
;
4623 if (!check
->amplist
)
4625 for (p
= check
->amplist
; p
->nid
; p
++) {
4630 return 0; /* nothing changed */
4632 for (p
= check
->amplist
; p
->nid
; p
++) {
4633 for (ch
= 0; ch
< 2; ch
++) {
4634 v
= snd_hda_codec_amp_read(codec
, p
->nid
, ch
, p
->dir
,
4636 if (!(v
& HDA_AMP_MUTE
) && v
> 0) {
4637 if (!check
->power_on
) {
4638 check
->power_on
= 1;
4639 snd_hda_power_up(codec
);
4645 if (check
->power_on
) {
4646 check
->power_on
= 0;
4647 snd_hda_power_down(codec
);
4651 EXPORT_SYMBOL_HDA(snd_hda_check_amp_list_power
);
4655 * Channel mode helper
4659 * snd_hda_ch_mode_info - Info callback helper for the channel mode enum
4661 int snd_hda_ch_mode_info(struct hda_codec
*codec
,
4662 struct snd_ctl_elem_info
*uinfo
,
4663 const struct hda_channel_mode
*chmode
,
4666 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_ENUMERATED
;
4668 uinfo
->value
.enumerated
.items
= num_chmodes
;
4669 if (uinfo
->value
.enumerated
.item
>= num_chmodes
)
4670 uinfo
->value
.enumerated
.item
= num_chmodes
- 1;
4671 sprintf(uinfo
->value
.enumerated
.name
, "%dch",
4672 chmode
[uinfo
->value
.enumerated
.item
].channels
);
4675 EXPORT_SYMBOL_HDA(snd_hda_ch_mode_info
);
4678 * snd_hda_ch_mode_get - Get callback helper for the channel mode enum
4680 int snd_hda_ch_mode_get(struct hda_codec
*codec
,
4681 struct snd_ctl_elem_value
*ucontrol
,
4682 const struct hda_channel_mode
*chmode
,
4688 for (i
= 0; i
< num_chmodes
; i
++) {
4689 if (max_channels
== chmode
[i
].channels
) {
4690 ucontrol
->value
.enumerated
.item
[0] = i
;
4696 EXPORT_SYMBOL_HDA(snd_hda_ch_mode_get
);
4699 * snd_hda_ch_mode_put - Put callback helper for the channel mode enum
4701 int snd_hda_ch_mode_put(struct hda_codec
*codec
,
4702 struct snd_ctl_elem_value
*ucontrol
,
4703 const struct hda_channel_mode
*chmode
,
4709 mode
= ucontrol
->value
.enumerated
.item
[0];
4710 if (mode
>= num_chmodes
)
4712 if (*max_channelsp
== chmode
[mode
].channels
)
4714 /* change the current channel setting */
4715 *max_channelsp
= chmode
[mode
].channels
;
4716 if (chmode
[mode
].sequence
)
4717 snd_hda_sequence_write_cache(codec
, chmode
[mode
].sequence
);
4720 EXPORT_SYMBOL_HDA(snd_hda_ch_mode_put
);
4727 * snd_hda_input_mux_info_info - Info callback helper for the input-mux enum
4729 int snd_hda_input_mux_info(const struct hda_input_mux
*imux
,
4730 struct snd_ctl_elem_info
*uinfo
)
4734 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_ENUMERATED
;
4736 uinfo
->value
.enumerated
.items
= imux
->num_items
;
4737 if (!imux
->num_items
)
4739 index
= uinfo
->value
.enumerated
.item
;
4740 if (index
>= imux
->num_items
)
4741 index
= imux
->num_items
- 1;
4742 strcpy(uinfo
->value
.enumerated
.name
, imux
->items
[index
].label
);
4745 EXPORT_SYMBOL_HDA(snd_hda_input_mux_info
);
4748 * snd_hda_input_mux_info_put - Put callback helper for the input-mux enum
4750 int snd_hda_input_mux_put(struct hda_codec
*codec
,
4751 const struct hda_input_mux
*imux
,
4752 struct snd_ctl_elem_value
*ucontrol
,
4754 unsigned int *cur_val
)
4758 if (!imux
->num_items
)
4760 idx
= ucontrol
->value
.enumerated
.item
[0];
4761 if (idx
>= imux
->num_items
)
4762 idx
= imux
->num_items
- 1;
4763 if (*cur_val
== idx
)
4765 snd_hda_codec_write_cache(codec
, nid
, 0, AC_VERB_SET_CONNECT_SEL
,
4766 imux
->items
[idx
].index
);
4770 EXPORT_SYMBOL_HDA(snd_hda_input_mux_put
);
4774 * Multi-channel / digital-out PCM helper functions
4777 /* setup SPDIF output stream */
4778 static void setup_dig_out_stream(struct hda_codec
*codec
, hda_nid_t nid
,
4779 unsigned int stream_tag
, unsigned int format
)
4781 struct hda_spdif_out
*spdif
= snd_hda_spdif_out_of_nid(codec
, nid
);
4783 /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
4784 if (codec
->spdif_status_reset
&& (spdif
->ctls
& AC_DIG1_ENABLE
))
4785 set_dig_out_convert(codec
, nid
,
4786 spdif
->ctls
& ~AC_DIG1_ENABLE
& 0xff,
4788 snd_hda_codec_setup_stream(codec
, nid
, stream_tag
, 0, format
);
4789 if (codec
->slave_dig_outs
) {
4791 for (d
= codec
->slave_dig_outs
; *d
; d
++)
4792 snd_hda_codec_setup_stream(codec
, *d
, stream_tag
, 0,
4795 /* turn on again (if needed) */
4796 if (codec
->spdif_status_reset
&& (spdif
->ctls
& AC_DIG1_ENABLE
))
4797 set_dig_out_convert(codec
, nid
,
4798 spdif
->ctls
& 0xff, -1);
4801 static void cleanup_dig_out_stream(struct hda_codec
*codec
, hda_nid_t nid
)
4803 snd_hda_codec_cleanup_stream(codec
, nid
);
4804 if (codec
->slave_dig_outs
) {
4806 for (d
= codec
->slave_dig_outs
; *d
; d
++)
4807 snd_hda_codec_cleanup_stream(codec
, *d
);
4812 * snd_hda_bus_reboot_notify - call the reboot notifier of each codec
4813 * @bus: HD-audio bus
4815 void snd_hda_bus_reboot_notify(struct hda_bus
*bus
)
4817 struct hda_codec
*codec
;
4821 list_for_each_entry(codec
, &bus
->codec_list
, list
) {
4822 if (hda_codec_is_power_on(codec
) &&
4823 codec
->patch_ops
.reboot_notify
)
4824 codec
->patch_ops
.reboot_notify(codec
);
4827 EXPORT_SYMBOL_HDA(snd_hda_bus_reboot_notify
);
4830 * snd_hda_multi_out_dig_open - open the digital out in the exclusive mode
4832 int snd_hda_multi_out_dig_open(struct hda_codec
*codec
,
4833 struct hda_multi_out
*mout
)
4835 mutex_lock(&codec
->spdif_mutex
);
4836 if (mout
->dig_out_used
== HDA_DIG_ANALOG_DUP
)
4837 /* already opened as analog dup; reset it once */
4838 cleanup_dig_out_stream(codec
, mout
->dig_out_nid
);
4839 mout
->dig_out_used
= HDA_DIG_EXCLUSIVE
;
4840 mutex_unlock(&codec
->spdif_mutex
);
4843 EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_open
);
4846 * snd_hda_multi_out_dig_prepare - prepare the digital out stream
4848 int snd_hda_multi_out_dig_prepare(struct hda_codec
*codec
,
4849 struct hda_multi_out
*mout
,
4850 unsigned int stream_tag
,
4851 unsigned int format
,
4852 struct snd_pcm_substream
*substream
)
4854 mutex_lock(&codec
->spdif_mutex
);
4855 setup_dig_out_stream(codec
, mout
->dig_out_nid
, stream_tag
, format
);
4856 mutex_unlock(&codec
->spdif_mutex
);
4859 EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_prepare
);
4862 * snd_hda_multi_out_dig_cleanup - clean-up the digital out stream
4864 int snd_hda_multi_out_dig_cleanup(struct hda_codec
*codec
,
4865 struct hda_multi_out
*mout
)
4867 mutex_lock(&codec
->spdif_mutex
);
4868 cleanup_dig_out_stream(codec
, mout
->dig_out_nid
);
4869 mutex_unlock(&codec
->spdif_mutex
);
4872 EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_cleanup
);
4875 * snd_hda_multi_out_dig_close - release the digital out stream
4877 int snd_hda_multi_out_dig_close(struct hda_codec
*codec
,
4878 struct hda_multi_out
*mout
)
4880 mutex_lock(&codec
->spdif_mutex
);
4881 mout
->dig_out_used
= 0;
4882 mutex_unlock(&codec
->spdif_mutex
);
4885 EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_close
);
4888 * snd_hda_multi_out_analog_open - open analog outputs
4890 * Open analog outputs and set up the hw-constraints.
4891 * If the digital outputs can be opened as slave, open the digital
4894 int snd_hda_multi_out_analog_open(struct hda_codec
*codec
,
4895 struct hda_multi_out
*mout
,
4896 struct snd_pcm_substream
*substream
,
4897 struct hda_pcm_stream
*hinfo
)
4899 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
4900 runtime
->hw
.channels_max
= mout
->max_channels
;
4901 if (mout
->dig_out_nid
) {
4902 if (!mout
->analog_rates
) {
4903 mout
->analog_rates
= hinfo
->rates
;
4904 mout
->analog_formats
= hinfo
->formats
;
4905 mout
->analog_maxbps
= hinfo
->maxbps
;
4907 runtime
->hw
.rates
= mout
->analog_rates
;
4908 runtime
->hw
.formats
= mout
->analog_formats
;
4909 hinfo
->maxbps
= mout
->analog_maxbps
;
4911 if (!mout
->spdif_rates
) {
4912 snd_hda_query_supported_pcm(codec
, mout
->dig_out_nid
,
4914 &mout
->spdif_formats
,
4915 &mout
->spdif_maxbps
);
4917 mutex_lock(&codec
->spdif_mutex
);
4918 if (mout
->share_spdif
) {
4919 if ((runtime
->hw
.rates
& mout
->spdif_rates
) &&
4920 (runtime
->hw
.formats
& mout
->spdif_formats
)) {
4921 runtime
->hw
.rates
&= mout
->spdif_rates
;
4922 runtime
->hw
.formats
&= mout
->spdif_formats
;
4923 if (mout
->spdif_maxbps
< hinfo
->maxbps
)
4924 hinfo
->maxbps
= mout
->spdif_maxbps
;
4926 mout
->share_spdif
= 0;
4927 /* FIXME: need notify? */
4930 mutex_unlock(&codec
->spdif_mutex
);
4932 return snd_pcm_hw_constraint_step(substream
->runtime
, 0,
4933 SNDRV_PCM_HW_PARAM_CHANNELS
, 2);
4935 EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_open
);
4938 * snd_hda_multi_out_analog_prepare - Preapre the analog outputs.
4940 * Set up the i/o for analog out.
4941 * When the digital out is available, copy the front out to digital out, too.
4943 int snd_hda_multi_out_analog_prepare(struct hda_codec
*codec
,
4944 struct hda_multi_out
*mout
,
4945 unsigned int stream_tag
,
4946 unsigned int format
,
4947 struct snd_pcm_substream
*substream
)
4949 const hda_nid_t
*nids
= mout
->dac_nids
;
4950 int chs
= substream
->runtime
->channels
;
4951 struct hda_spdif_out
*spdif
;
4954 mutex_lock(&codec
->spdif_mutex
);
4955 spdif
= snd_hda_spdif_out_of_nid(codec
, mout
->dig_out_nid
);
4956 if (mout
->dig_out_nid
&& mout
->share_spdif
&&
4957 mout
->dig_out_used
!= HDA_DIG_EXCLUSIVE
) {
4959 snd_hda_is_supported_format(codec
, mout
->dig_out_nid
,
4961 !(spdif
->status
& IEC958_AES0_NONAUDIO
)) {
4962 mout
->dig_out_used
= HDA_DIG_ANALOG_DUP
;
4963 setup_dig_out_stream(codec
, mout
->dig_out_nid
,
4964 stream_tag
, format
);
4966 mout
->dig_out_used
= 0;
4967 cleanup_dig_out_stream(codec
, mout
->dig_out_nid
);
4970 mutex_unlock(&codec
->spdif_mutex
);
4973 snd_hda_codec_setup_stream(codec
, nids
[HDA_FRONT
], stream_tag
,
4975 if (!mout
->no_share_stream
&&
4976 mout
->hp_nid
&& mout
->hp_nid
!= nids
[HDA_FRONT
])
4977 /* headphone out will just decode front left/right (stereo) */
4978 snd_hda_codec_setup_stream(codec
, mout
->hp_nid
, stream_tag
,
4980 /* extra outputs copied from front */
4981 for (i
= 0; i
< ARRAY_SIZE(mout
->hp_out_nid
); i
++)
4982 if (!mout
->no_share_stream
&& mout
->hp_out_nid
[i
])
4983 snd_hda_codec_setup_stream(codec
,
4984 mout
->hp_out_nid
[i
],
4985 stream_tag
, 0, format
);
4986 for (i
= 0; i
< ARRAY_SIZE(mout
->extra_out_nid
); i
++)
4987 if (!mout
->no_share_stream
&& mout
->extra_out_nid
[i
])
4988 snd_hda_codec_setup_stream(codec
,
4989 mout
->extra_out_nid
[i
],
4990 stream_tag
, 0, format
);
4993 for (i
= 1; i
< mout
->num_dacs
; i
++) {
4994 if (chs
>= (i
+ 1) * 2) /* independent out */
4995 snd_hda_codec_setup_stream(codec
, nids
[i
], stream_tag
,
4997 else if (!mout
->no_share_stream
) /* copy front */
4998 snd_hda_codec_setup_stream(codec
, nids
[i
], stream_tag
,
5003 EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_prepare
);
5006 * snd_hda_multi_out_analog_cleanup - clean up the setting for analog out
5008 int snd_hda_multi_out_analog_cleanup(struct hda_codec
*codec
,
5009 struct hda_multi_out
*mout
)
5011 const hda_nid_t
*nids
= mout
->dac_nids
;
5014 for (i
= 0; i
< mout
->num_dacs
; i
++)
5015 snd_hda_codec_cleanup_stream(codec
, nids
[i
]);
5017 snd_hda_codec_cleanup_stream(codec
, mout
->hp_nid
);
5018 for (i
= 0; i
< ARRAY_SIZE(mout
->hp_out_nid
); i
++)
5019 if (mout
->hp_out_nid
[i
])
5020 snd_hda_codec_cleanup_stream(codec
,
5021 mout
->hp_out_nid
[i
]);
5022 for (i
= 0; i
< ARRAY_SIZE(mout
->extra_out_nid
); i
++)
5023 if (mout
->extra_out_nid
[i
])
5024 snd_hda_codec_cleanup_stream(codec
,
5025 mout
->extra_out_nid
[i
]);
5026 mutex_lock(&codec
->spdif_mutex
);
5027 if (mout
->dig_out_nid
&& mout
->dig_out_used
== HDA_DIG_ANALOG_DUP
) {
5028 cleanup_dig_out_stream(codec
, mout
->dig_out_nid
);
5029 mout
->dig_out_used
= 0;
5031 mutex_unlock(&codec
->spdif_mutex
);
5034 EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_cleanup
);
5037 * snd_hda_get_default_vref - Get the default (mic) VREF pin bits
5039 * Guess the suitable VREF pin bits to be set as the pin-control value.
5040 * Note: the function doesn't set the AC_PINCTL_IN_EN bit.
5042 unsigned int snd_hda_get_default_vref(struct hda_codec
*codec
, hda_nid_t pin
)
5044 unsigned int pincap
;
5045 unsigned int oldval
;
5046 oldval
= snd_hda_codec_read(codec
, pin
, 0,
5047 AC_VERB_GET_PIN_WIDGET_CONTROL
, 0);
5048 pincap
= snd_hda_query_pin_caps(codec
, pin
);
5049 pincap
= (pincap
& AC_PINCAP_VREF
) >> AC_PINCAP_VREF_SHIFT
;
5050 /* Exception: if the default pin setup is vref50, we give it priority */
5051 if ((pincap
& AC_PINCAP_VREF_80
) && oldval
!= PIN_VREF50
)
5052 return AC_PINCTL_VREF_80
;
5053 else if (pincap
& AC_PINCAP_VREF_50
)
5054 return AC_PINCTL_VREF_50
;
5055 else if (pincap
& AC_PINCAP_VREF_100
)
5056 return AC_PINCTL_VREF_100
;
5057 else if (pincap
& AC_PINCAP_VREF_GRD
)
5058 return AC_PINCTL_VREF_GRD
;
5059 return AC_PINCTL_VREF_HIZ
;
5061 EXPORT_SYMBOL_HDA(snd_hda_get_default_vref
);
5063 int _snd_hda_set_pin_ctl(struct hda_codec
*codec
, hda_nid_t pin
,
5064 unsigned int val
, bool cached
)
5067 unsigned int cap
= snd_hda_query_pin_caps(codec
, pin
);
5068 if (cap
&& (val
& AC_PINCTL_OUT_EN
)) {
5069 if (!(cap
& AC_PINCAP_OUT
))
5070 val
&= ~(AC_PINCTL_OUT_EN
| AC_PINCTL_HP_EN
);
5071 else if ((val
& AC_PINCTL_HP_EN
) &&
5072 !(cap
& AC_PINCAP_HP_DRV
))
5073 val
&= ~AC_PINCTL_HP_EN
;
5075 if (cap
&& (val
& AC_PINCTL_IN_EN
)) {
5076 if (!(cap
& AC_PINCAP_IN
))
5077 val
&= ~(AC_PINCTL_IN_EN
| AC_PINCTL_VREFEN
);
5081 return snd_hda_codec_update_cache(codec
, pin
, 0,
5082 AC_VERB_SET_PIN_WIDGET_CONTROL
, val
);
5084 return snd_hda_codec_write(codec
, pin
, 0,
5085 AC_VERB_SET_PIN_WIDGET_CONTROL
, val
);
5087 EXPORT_SYMBOL_HDA(_snd_hda_set_pin_ctl
);
5090 * snd_hda_add_imux_item - Add an item to input_mux
5092 * When the same label is used already in the existing items, the number
5093 * suffix is appended to the label. This label index number is stored
5094 * to type_idx when non-NULL pointer is given.
5096 int snd_hda_add_imux_item(struct hda_input_mux
*imux
, const char *label
,
5097 int index
, int *type_idx
)
5099 int i
, label_idx
= 0;
5100 if (imux
->num_items
>= HDA_MAX_NUM_INPUTS
) {
5101 snd_printd(KERN_ERR
"hda_codec: Too many imux items!\n");
5104 for (i
= 0; i
< imux
->num_items
; i
++) {
5105 if (!strncmp(label
, imux
->items
[i
].label
, strlen(label
)))
5109 *type_idx
= label_idx
;
5111 snprintf(imux
->items
[imux
->num_items
].label
,
5112 sizeof(imux
->items
[imux
->num_items
].label
),
5113 "%s %d", label
, label_idx
);
5115 strlcpy(imux
->items
[imux
->num_items
].label
, label
,
5116 sizeof(imux
->items
[imux
->num_items
].label
));
5117 imux
->items
[imux
->num_items
].index
= index
;
5121 EXPORT_SYMBOL_HDA(snd_hda_add_imux_item
);
5130 * snd_hda_suspend - suspend the codecs
5133 * Returns 0 if successful.
5135 int snd_hda_suspend(struct hda_bus
*bus
)
5137 struct hda_codec
*codec
;
5139 list_for_each_entry(codec
, &bus
->codec_list
, list
) {
5140 if (hda_codec_is_power_on(codec
))
5141 hda_call_codec_suspend(codec
, false);
5145 EXPORT_SYMBOL_HDA(snd_hda_suspend
);
5148 * snd_hda_resume - resume the codecs
5151 * Returns 0 if successful.
5153 int snd_hda_resume(struct hda_bus
*bus
)
5155 struct hda_codec
*codec
;
5157 list_for_each_entry(codec
, &bus
->codec_list
, list
) {
5158 hda_call_codec_resume(codec
);
5162 EXPORT_SYMBOL_HDA(snd_hda_resume
);
5163 #endif /* CONFIG_PM */
5170 * snd_array_new - get a new element from the given array
5171 * @array: the array object
5173 * Get a new element from the given array. If it exceeds the
5174 * pre-allocated array size, re-allocate the array.
5176 * Returns NULL if allocation failed.
5178 void *snd_array_new(struct snd_array
*array
)
5180 if (snd_BUG_ON(!array
->elem_size
))
5182 if (array
->used
>= array
->alloced
) {
5183 int num
= array
->alloced
+ array
->alloc_align
;
5184 int size
= (num
+ 1) * array
->elem_size
;
5185 int oldsize
= array
->alloced
* array
->elem_size
;
5187 if (snd_BUG_ON(num
>= 4096))
5189 nlist
= krealloc(array
->list
, size
, GFP_KERNEL
);
5192 memset(nlist
+ oldsize
, 0, size
- oldsize
);
5193 array
->list
= nlist
;
5194 array
->alloced
= num
;
5196 return snd_array_elem(array
, array
->used
++);
5198 EXPORT_SYMBOL_HDA(snd_array_new
);
5201 * snd_array_free - free the given array elements
5202 * @array: the array object
5204 void snd_array_free(struct snd_array
*array
)
5211 EXPORT_SYMBOL_HDA(snd_array_free
);
5214 * snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer
5215 * @pcm: PCM caps bits
5216 * @buf: the string buffer to write
5217 * @buflen: the max buffer length
5219 * used by hda_proc.c and hda_eld.c
5221 void snd_print_pcm_bits(int pcm
, char *buf
, int buflen
)
5223 static unsigned int bits
[] = { 8, 16, 20, 24, 32 };
5226 for (i
= 0, j
= 0; i
< ARRAY_SIZE(bits
); i
++)
5227 if (pcm
& (AC_SUPPCM_BITS_8
<< i
))
5228 j
+= snprintf(buf
+ j
, buflen
- j
, " %d", bits
[i
]);
5230 buf
[j
] = '\0'; /* necessary when j == 0 */
5232 EXPORT_SYMBOL_HDA(snd_print_pcm_bits
);
5234 MODULE_DESCRIPTION("HDA codec core");
5235 MODULE_LICENSE("GPL");