2 * Universal Interface for Intel High Definition Audio Codec
4 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
7 * This driver is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This driver is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include <sound/driver.h>
23 #include <linux/init.h>
24 #include <linux/delay.h>
25 #include <linux/slab.h>
26 #include <linux/pci.h>
27 #include <linux/moduleparam.h>
28 #include <linux/mutex.h>
29 #include <sound/core.h>
30 #include "hda_codec.h"
31 #include <sound/asoundef.h>
32 #include <sound/initval.h>
33 #include "hda_local.h"
36 MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
37 MODULE_DESCRIPTION("Universal interface for High Definition Audio Codec");
38 MODULE_LICENSE("GPL");
42 * vendor / preset table
45 struct hda_vendor_id {
50 /* codec vendor labels */
51 static struct hda_vendor_id hda_vendor_ids[] = {
52 { 0x10ec, "Realtek" },
53 { 0x11d4, "Analog Devices" },
54 { 0x13f6, "C-Media" },
55 { 0x434d, "C-Media" },
56 { 0x8384, "SigmaTel" },
61 #include "hda_patch.h"
65 * snd_hda_codec_read - send a command and get the response
66 * @codec: the HDA codec
67 * @nid: NID to send the command
68 * @direct: direct flag
69 * @verb: the verb to send
70 * @parm: the parameter for the verb
72 * Send a single command and read the corresponding response.
74 * Returns the obtained response value, or -1 for an error.
76 unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, int direct,
77 unsigned int verb, unsigned int parm)
80 mutex_lock(&codec->bus->cmd_mutex);
81 if (! codec->bus->ops.command(codec, nid, direct, verb, parm))
82 res = codec->bus->ops.get_response(codec);
84 res = (unsigned int)-1;
85 mutex_unlock(&codec->bus->cmd_mutex);
89 EXPORT_SYMBOL(snd_hda_codec_read);
92 * snd_hda_codec_write - send a single command without waiting for response
93 * @codec: the HDA codec
94 * @nid: NID to send the command
95 * @direct: direct flag
96 * @verb: the verb to send
97 * @parm: the parameter for the verb
99 * Send a single command without waiting for response.
101 * Returns 0 if successful, or a negative error code.
103 int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
104 unsigned int verb, unsigned int parm)
107 mutex_lock(&codec->bus->cmd_mutex);
108 err = codec->bus->ops.command(codec, nid, direct, verb, parm);
109 mutex_unlock(&codec->bus->cmd_mutex);
113 EXPORT_SYMBOL(snd_hda_codec_write);
116 * snd_hda_sequence_write - sequence writes
117 * @codec: the HDA codec
118 * @seq: VERB array to send
120 * Send the commands sequentially from the given array.
121 * The array must be terminated with NID=0.
123 void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
125 for (; seq->nid; seq++)
126 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
129 EXPORT_SYMBOL(snd_hda_sequence_write);
132 * snd_hda_get_sub_nodes - get the range of sub nodes
133 * @codec: the HDA codec
135 * @start_id: the pointer to store the start NID
137 * Parse the NID and store the start NID of its sub-nodes.
138 * Returns the number of sub-nodes.
140 int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid, hda_nid_t *start_id)
144 parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
145 *start_id = (parm >> 16) & 0x7fff;
146 return (int)(parm & 0x7fff);
149 EXPORT_SYMBOL(snd_hda_get_sub_nodes);
152 * snd_hda_get_connections - get connection list
153 * @codec: the HDA codec
155 * @conn_list: connection list array
156 * @max_conns: max. number of connections to store
158 * Parses the connection list of the given widget and stores the list
161 * Returns the number of connections, or a negative error code.
163 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
164 hda_nid_t *conn_list, int max_conns)
167 int i, conn_len, conns;
168 unsigned int shift, num_elems, mask;
171 snd_assert(conn_list && max_conns > 0, return -EINVAL);
173 parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN);
174 if (parm & AC_CLIST_LONG) {
183 conn_len = parm & AC_CLIST_LENGTH;
184 mask = (1 << (shift-1)) - 1;
187 return 0; /* no connection */
190 /* single connection */
191 parm = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONNECT_LIST, 0);
192 conn_list[0] = parm & mask;
196 /* multi connection */
199 for (i = 0; i < conn_len; i++) {
203 if (i % num_elems == 0)
204 parm = snd_hda_codec_read(codec, nid, 0,
205 AC_VERB_GET_CONNECT_LIST, i);
206 range_val = !! (parm & (1 << (shift-1))); /* ranges */
210 /* ranges between the previous and this one */
211 if (! prev_nid || prev_nid >= val) {
212 snd_printk(KERN_WARNING "hda_codec: invalid dep_range_val %x:%x\n", prev_nid, val);
215 for (n = prev_nid + 1; n <= val; n++) {
216 if (conns >= max_conns) {
217 snd_printk(KERN_ERR "Too many connections\n");
220 conn_list[conns++] = n;
223 if (conns >= max_conns) {
224 snd_printk(KERN_ERR "Too many connections\n");
227 conn_list[conns++] = val;
236 * snd_hda_queue_unsol_event - add an unsolicited event to queue
238 * @res: unsolicited event (lower 32bit of RIRB entry)
239 * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
241 * Adds the given event to the queue. The events are processed in
242 * the workqueue asynchronously. Call this function in the interrupt
243 * hanlder when RIRB receives an unsolicited event.
245 * Returns 0 if successful, or a negative error code.
247 int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
249 struct hda_bus_unsolicited *unsol;
252 if ((unsol = bus->unsol) == NULL)
255 wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
259 unsol->queue[wp] = res;
260 unsol->queue[wp + 1] = res_ex;
262 queue_work(unsol->workq, &unsol->work);
267 EXPORT_SYMBOL(snd_hda_queue_unsol_event);
270 * process queueud unsolicited events
272 static void process_unsol_events(void *data)
274 struct hda_bus *bus = data;
275 struct hda_bus_unsolicited *unsol = bus->unsol;
276 struct hda_codec *codec;
277 unsigned int rp, caddr, res;
279 while (unsol->rp != unsol->wp) {
280 rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE;
283 res = unsol->queue[rp];
284 caddr = unsol->queue[rp + 1];
285 if (! (caddr & (1 << 4))) /* no unsolicited event? */
287 codec = bus->caddr_tbl[caddr & 0x0f];
288 if (codec && codec->patch_ops.unsol_event)
289 codec->patch_ops.unsol_event(codec, res);
294 * initialize unsolicited queue
296 static int init_unsol_queue(struct hda_bus *bus)
298 struct hda_bus_unsolicited *unsol;
300 if (bus->unsol) /* already initialized */
303 unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
305 snd_printk(KERN_ERR "hda_codec: can't allocate unsolicited queue\n");
308 unsol->workq = create_singlethread_workqueue("hda_codec");
309 if (! unsol->workq) {
310 snd_printk(KERN_ERR "hda_codec: can't create workqueue\n");
314 INIT_WORK(&unsol->work, process_unsol_events, bus);
322 static void snd_hda_codec_free(struct hda_codec *codec);
324 static int snd_hda_bus_free(struct hda_bus *bus)
326 struct list_head *p, *n;
331 destroy_workqueue(bus->unsol->workq);
334 list_for_each_safe(p, n, &bus->codec_list) {
335 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
336 snd_hda_codec_free(codec);
338 if (bus->ops.private_free)
339 bus->ops.private_free(bus);
344 static int snd_hda_bus_dev_free(struct snd_device *device)
346 struct hda_bus *bus = device->device_data;
347 return snd_hda_bus_free(bus);
351 * snd_hda_bus_new - create a HDA bus
352 * @card: the card entry
353 * @temp: the template for hda_bus information
354 * @busp: the pointer to store the created bus instance
356 * Returns 0 if successful, or a negative error code.
358 int snd_hda_bus_new(struct snd_card *card, const struct hda_bus_template *temp,
359 struct hda_bus **busp)
363 static struct snd_device_ops dev_ops = {
364 .dev_free = snd_hda_bus_dev_free,
367 snd_assert(temp, return -EINVAL);
368 snd_assert(temp->ops.command && temp->ops.get_response, return -EINVAL);
373 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
375 snd_printk(KERN_ERR "can't allocate struct hda_bus\n");
380 bus->private_data = temp->private_data;
381 bus->pci = temp->pci;
382 bus->modelname = temp->modelname;
383 bus->ops = temp->ops;
385 mutex_init(&bus->cmd_mutex);
386 INIT_LIST_HEAD(&bus->codec_list);
388 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
389 snd_hda_bus_free(bus);
397 EXPORT_SYMBOL(snd_hda_bus_new);
400 * find a matching codec preset
402 static const struct hda_codec_preset *find_codec_preset(struct hda_codec *codec)
404 const struct hda_codec_preset **tbl, *preset;
406 for (tbl = hda_preset_tables; *tbl; tbl++) {
407 for (preset = *tbl; preset->id; preset++) {
408 u32 mask = preset->mask;
411 if (preset->id == (codec->vendor_id & mask))
419 * snd_hda_get_codec_name - store the codec name
421 void snd_hda_get_codec_name(struct hda_codec *codec,
422 char *name, int namelen)
424 const struct hda_vendor_id *c;
425 const char *vendor = NULL;
426 u16 vendor_id = codec->vendor_id >> 16;
429 for (c = hda_vendor_ids; c->id; c++) {
430 if (c->id == vendor_id) {
436 sprintf(tmp, "Generic %04x", vendor_id);
439 if (codec->preset && codec->preset->name)
440 snprintf(name, namelen, "%s %s", vendor, codec->preset->name);
442 snprintf(name, namelen, "%s ID %x", vendor, codec->vendor_id & 0xffff);
446 * look for an AFG and MFG nodes
448 static void setup_fg_nodes(struct hda_codec *codec)
453 total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
454 for (i = 0; i < total_nodes; i++, nid++) {
455 switch((snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE) & 0xff)) {
456 case AC_GRP_AUDIO_FUNCTION:
459 case AC_GRP_MODEM_FUNCTION:
469 * read widget caps for each widget and store in cache
471 static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
476 codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node,
478 codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL);
481 nid = codec->start_nid;
482 for (i = 0; i < codec->num_nodes; i++, nid++)
483 codec->wcaps[i] = snd_hda_param_read(codec, nid,
484 AC_PAR_AUDIO_WIDGET_CAP);
492 static void snd_hda_codec_free(struct hda_codec *codec)
496 list_del(&codec->list);
497 codec->bus->caddr_tbl[codec->addr] = NULL;
498 if (codec->patch_ops.free)
499 codec->patch_ops.free(codec);
500 kfree(codec->amp_info);
505 static void init_amp_hash(struct hda_codec *codec);
508 * snd_hda_codec_new - create a HDA codec
509 * @bus: the bus to assign
510 * @codec_addr: the codec address
511 * @codecp: the pointer to store the generated codec
513 * Returns 0 if successful, or a negative error code.
515 int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
516 struct hda_codec **codecp)
518 struct hda_codec *codec;
522 snd_assert(bus, return -EINVAL);
523 snd_assert(codec_addr <= HDA_MAX_CODEC_ADDRESS, return -EINVAL);
525 if (bus->caddr_tbl[codec_addr]) {
526 snd_printk(KERN_ERR "hda_codec: address 0x%x is already occupied\n", codec_addr);
530 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
532 snd_printk(KERN_ERR "can't allocate struct hda_codec\n");
537 codec->addr = codec_addr;
538 mutex_init(&codec->spdif_mutex);
539 init_amp_hash(codec);
541 list_add_tail(&codec->list, &bus->codec_list);
542 bus->caddr_tbl[codec_addr] = codec;
544 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_VENDOR_ID);
545 if (codec->vendor_id == -1)
546 /* read again, hopefully the access method was corrected
547 * in the last read...
549 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
551 codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_SUBSYSTEM_ID);
552 codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_REV_ID);
554 setup_fg_nodes(codec);
555 if (! codec->afg && ! codec->mfg) {
556 snd_printdd("hda_codec: no AFG or MFG node found\n");
557 snd_hda_codec_free(codec);
561 if (read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg) < 0) {
562 snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
563 snd_hda_codec_free(codec);
567 if (! codec->subsystem_id) {
568 hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
569 codec->subsystem_id = snd_hda_codec_read(codec, nid, 0,
570 AC_VERB_GET_SUBSYSTEM_ID,
574 codec->preset = find_codec_preset(codec);
575 if (! *bus->card->mixername)
576 snd_hda_get_codec_name(codec, bus->card->mixername,
577 sizeof(bus->card->mixername));
579 if (codec->preset && codec->preset->patch)
580 err = codec->preset->patch(codec);
582 err = snd_hda_parse_generic_codec(codec);
584 snd_hda_codec_free(codec);
588 if (codec->patch_ops.unsol_event)
589 init_unsol_queue(bus);
591 snd_hda_codec_proc_new(codec);
593 sprintf(component, "HDA:%08x", codec->vendor_id);
594 snd_component_add(codec->bus->card, component);
601 EXPORT_SYMBOL(snd_hda_codec_new);
604 * snd_hda_codec_setup_stream - set up the codec for streaming
605 * @codec: the CODEC to set up
606 * @nid: the NID to set up
607 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
608 * @channel_id: channel id to pass, zero based.
609 * @format: stream format.
611 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, u32 stream_tag,
612 int channel_id, int format)
617 snd_printdd("hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
618 nid, stream_tag, channel_id, format);
619 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID,
620 (stream_tag << 4) | channel_id);
622 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
625 EXPORT_SYMBOL(snd_hda_codec_setup_stream);
628 * amp access functions
631 /* FIXME: more better hash key? */
632 #define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
633 #define INFO_AMP_CAPS (1<<0)
634 #define INFO_AMP_VOL(ch) (1 << (1 + (ch)))
636 /* initialize the hash table */
637 static void init_amp_hash(struct hda_codec *codec)
639 memset(codec->amp_hash, 0xff, sizeof(codec->amp_hash));
640 codec->num_amp_entries = 0;
641 codec->amp_info_size = 0;
642 codec->amp_info = NULL;
645 /* query the hash. allocate an entry if not found. */
646 static struct hda_amp_info *get_alloc_amp_hash(struct hda_codec *codec, u32 key)
648 u16 idx = key % (u16)ARRAY_SIZE(codec->amp_hash);
649 u16 cur = codec->amp_hash[idx];
650 struct hda_amp_info *info;
652 while (cur != 0xffff) {
653 info = &codec->amp_info[cur];
654 if (info->key == key)
659 /* add a new hash entry */
660 if (codec->num_amp_entries >= codec->amp_info_size) {
661 /* reallocate the array */
662 int new_size = codec->amp_info_size + 64;
663 struct hda_amp_info *new_info = kcalloc(new_size, sizeof(struct hda_amp_info),
666 snd_printk(KERN_ERR "hda_codec: can't malloc amp_info\n");
669 if (codec->amp_info) {
670 memcpy(new_info, codec->amp_info,
671 codec->amp_info_size * sizeof(struct hda_amp_info));
672 kfree(codec->amp_info);
674 codec->amp_info_size = new_size;
675 codec->amp_info = new_info;
677 cur = codec->num_amp_entries++;
678 info = &codec->amp_info[cur];
680 info->status = 0; /* not initialized yet */
681 info->next = codec->amp_hash[idx];
682 codec->amp_hash[idx] = cur;
688 * query AMP capabilities for the given widget and direction
690 static u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
692 struct hda_amp_info *info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0));
696 if (! (info->status & INFO_AMP_CAPS)) {
697 if (! (get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
699 info->amp_caps = snd_hda_param_read(codec, nid, direction == HDA_OUTPUT ?
700 AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
701 info->status |= INFO_AMP_CAPS;
703 return info->amp_caps;
707 * read the current volume to info
708 * if the cache exists, read the cache value.
710 static unsigned int get_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
711 hda_nid_t nid, int ch, int direction, int index)
715 if (info->status & INFO_AMP_VOL(ch))
716 return info->vol[ch];
718 parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
719 parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
721 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE, parm);
722 info->vol[ch] = val & 0xff;
723 info->status |= INFO_AMP_VOL(ch);
724 return info->vol[ch];
728 * write the current volume in info to the h/w and update the cache
730 static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
731 hda_nid_t nid, int ch, int direction, int index, int val)
735 parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
736 parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
737 parm |= index << AC_AMP_SET_INDEX_SHIFT;
739 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
744 * read AMP value. The volume is between 0 to 0x7f, 0x80 = mute bit.
746 int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
747 int direction, int index)
749 struct hda_amp_info *info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
752 return get_vol_mute(codec, info, nid, ch, direction, index);
756 * update the AMP value, mask = bit mask to set, val = the value
758 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
759 int direction, int idx, int mask, int val)
761 struct hda_amp_info *info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx));
766 val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask;
767 if (info->vol[ch] == val && ! codec->in_resume)
769 put_vol_mute(codec, info, nid, ch, direction, idx, val);
775 * AMP control callbacks
777 /* retrieve parameters from private_value */
778 #define get_amp_nid(kc) ((kc)->private_value & 0xffff)
779 #define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3)
780 #define get_amp_direction(kc) (((kc)->private_value >> 18) & 0x1)
781 #define get_amp_index(kc) (((kc)->private_value >> 19) & 0xf)
784 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
786 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
787 u16 nid = get_amp_nid(kcontrol);
788 u8 chs = get_amp_channels(kcontrol);
789 int dir = get_amp_direction(kcontrol);
792 caps = query_amp_caps(codec, nid, dir);
793 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; /* num steps */
795 printk(KERN_WARNING "hda_codec: num_steps = 0 for NID=0x%x\n", nid);
798 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
799 uinfo->count = chs == 3 ? 2 : 1;
800 uinfo->value.integer.min = 0;
801 uinfo->value.integer.max = caps;
805 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
807 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
808 hda_nid_t nid = get_amp_nid(kcontrol);
809 int chs = get_amp_channels(kcontrol);
810 int dir = get_amp_direction(kcontrol);
811 int idx = get_amp_index(kcontrol);
812 long *valp = ucontrol->value.integer.value;
815 *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & 0x7f;
817 *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & 0x7f;
821 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
823 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
824 hda_nid_t nid = get_amp_nid(kcontrol);
825 int chs = get_amp_channels(kcontrol);
826 int dir = get_amp_direction(kcontrol);
827 int idx = get_amp_index(kcontrol);
828 long *valp = ucontrol->value.integer.value;
832 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
837 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
843 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
845 int chs = get_amp_channels(kcontrol);
847 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
848 uinfo->count = chs == 3 ? 2 : 1;
849 uinfo->value.integer.min = 0;
850 uinfo->value.integer.max = 1;
854 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
856 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
857 hda_nid_t nid = get_amp_nid(kcontrol);
858 int chs = get_amp_channels(kcontrol);
859 int dir = get_amp_direction(kcontrol);
860 int idx = get_amp_index(kcontrol);
861 long *valp = ucontrol->value.integer.value;
864 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & 0x80) ? 0 : 1;
866 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & 0x80) ? 0 : 1;
870 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
872 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
873 hda_nid_t nid = get_amp_nid(kcontrol);
874 int chs = get_amp_channels(kcontrol);
875 int dir = get_amp_direction(kcontrol);
876 int idx = get_amp_index(kcontrol);
877 long *valp = ucontrol->value.integer.value;
881 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
882 0x80, *valp ? 0 : 0x80);
886 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
887 0x80, *valp ? 0 : 0x80);
893 * bound volume controls
895 * bind multiple volumes (# indices, from 0)
898 #define AMP_VAL_IDX_SHIFT 19
899 #define AMP_VAL_IDX_MASK (0x0f<<19)
901 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
903 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
907 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
908 pval = kcontrol->private_value;
909 kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
910 err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
911 kcontrol->private_value = pval;
912 mutex_unlock(&codec->spdif_mutex);
916 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
918 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
920 int i, indices, err = 0, change = 0;
922 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
923 pval = kcontrol->private_value;
924 indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
925 for (i = 0; i < indices; i++) {
926 kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) | (i << AMP_VAL_IDX_SHIFT);
927 err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
932 kcontrol->private_value = pval;
933 mutex_unlock(&codec->spdif_mutex);
934 return err < 0 ? err : change;
941 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
943 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
948 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
950 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
951 IEC958_AES0_NONAUDIO |
952 IEC958_AES0_CON_EMPHASIS_5015 |
953 IEC958_AES0_CON_NOT_COPYRIGHT;
954 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
955 IEC958_AES1_CON_ORIGINAL;
959 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
961 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
962 IEC958_AES0_NONAUDIO |
963 IEC958_AES0_PRO_EMPHASIS_5015;
967 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
969 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
971 ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff;
972 ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff;
973 ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff;
974 ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff;
979 /* convert from SPDIF status bits to HDA SPDIF bits
980 * bit 0 (DigEn) is always set zero (to be filled later)
982 static unsigned short convert_from_spdif_status(unsigned int sbits)
984 unsigned short val = 0;
986 if (sbits & IEC958_AES0_PROFESSIONAL)
988 if (sbits & IEC958_AES0_NONAUDIO)
990 if (sbits & IEC958_AES0_PROFESSIONAL) {
991 if ((sbits & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
994 if ((sbits & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
996 if (! (sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
998 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
1000 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
1005 /* convert to SPDIF status bits from HDA SPDIF bits
1007 static unsigned int convert_to_spdif_status(unsigned short val)
1009 unsigned int sbits = 0;
1012 sbits |= IEC958_AES0_NONAUDIO;
1014 sbits |= IEC958_AES0_PROFESSIONAL;
1015 if (sbits & IEC958_AES0_PROFESSIONAL) {
1016 if (sbits & (1 << 3))
1017 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
1020 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
1021 if (! (val & (1 << 4)))
1022 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
1024 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
1025 sbits |= val & (0x7f << 8);
1030 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1032 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1033 hda_nid_t nid = kcontrol->private_value;
1037 mutex_lock(&codec->spdif_mutex);
1038 codec->spdif_status = ucontrol->value.iec958.status[0] |
1039 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
1040 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
1041 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
1042 val = convert_from_spdif_status(codec->spdif_status);
1043 val |= codec->spdif_ctls & 1;
1044 change = codec->spdif_ctls != val;
1045 codec->spdif_ctls = val;
1047 if (change || codec->in_resume) {
1048 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, val & 0xff);
1049 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_2, val >> 8);
1052 mutex_unlock(&codec->spdif_mutex);
1056 static int snd_hda_spdif_out_switch_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1058 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1060 uinfo->value.integer.min = 0;
1061 uinfo->value.integer.max = 1;
1065 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1067 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1069 ucontrol->value.integer.value[0] = codec->spdif_ctls & 1;
1073 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1075 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1076 hda_nid_t nid = kcontrol->private_value;
1080 mutex_lock(&codec->spdif_mutex);
1081 val = codec->spdif_ctls & ~1;
1082 if (ucontrol->value.integer.value[0])
1084 change = codec->spdif_ctls != val;
1085 if (change || codec->in_resume) {
1086 codec->spdif_ctls = val;
1087 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, val & 0xff);
1088 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE,
1089 AC_AMP_SET_RIGHT | AC_AMP_SET_LEFT |
1090 AC_AMP_SET_OUTPUT | ((val & 1) ? 0 : 0x80));
1092 mutex_unlock(&codec->spdif_mutex);
1096 static struct snd_kcontrol_new dig_mixes[] = {
1098 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1099 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1100 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1101 .info = snd_hda_spdif_mask_info,
1102 .get = snd_hda_spdif_cmask_get,
1105 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1106 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1107 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1108 .info = snd_hda_spdif_mask_info,
1109 .get = snd_hda_spdif_pmask_get,
1112 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1113 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1114 .info = snd_hda_spdif_mask_info,
1115 .get = snd_hda_spdif_default_get,
1116 .put = snd_hda_spdif_default_put,
1119 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1120 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1121 .info = snd_hda_spdif_out_switch_info,
1122 .get = snd_hda_spdif_out_switch_get,
1123 .put = snd_hda_spdif_out_switch_put,
1129 * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1130 * @codec: the HDA codec
1131 * @nid: audio out widget NID
1133 * Creates controls related with the SPDIF output.
1134 * Called from each patch supporting the SPDIF out.
1136 * Returns 0 if successful, or a negative error code.
1138 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid)
1141 struct snd_kcontrol *kctl;
1142 struct snd_kcontrol_new *dig_mix;
1144 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
1145 kctl = snd_ctl_new1(dig_mix, codec);
1146 kctl->private_value = nid;
1147 if ((err = snd_ctl_add(codec->bus->card, kctl)) < 0)
1150 codec->spdif_ctls = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0);
1151 codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
1159 #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
1161 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1163 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1165 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
1169 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1171 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1172 hda_nid_t nid = kcontrol->private_value;
1173 unsigned int val = !!ucontrol->value.integer.value[0];
1176 mutex_lock(&codec->spdif_mutex);
1177 change = codec->spdif_in_enable != val;
1178 if (change || codec->in_resume) {
1179 codec->spdif_in_enable = val;
1180 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, val);
1182 mutex_unlock(&codec->spdif_mutex);
1186 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1188 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1189 hda_nid_t nid = kcontrol->private_value;
1193 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0);
1194 sbits = convert_to_spdif_status(val);
1195 ucontrol->value.iec958.status[0] = sbits;
1196 ucontrol->value.iec958.status[1] = sbits >> 8;
1197 ucontrol->value.iec958.status[2] = sbits >> 16;
1198 ucontrol->value.iec958.status[3] = sbits >> 24;
1202 static struct snd_kcontrol_new dig_in_ctls[] = {
1204 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1205 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
1206 .info = snd_hda_spdif_in_switch_info,
1207 .get = snd_hda_spdif_in_switch_get,
1208 .put = snd_hda_spdif_in_switch_put,
1211 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1212 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1213 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1214 .info = snd_hda_spdif_mask_info,
1215 .get = snd_hda_spdif_in_status_get,
1221 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1222 * @codec: the HDA codec
1223 * @nid: audio in widget NID
1225 * Creates controls related with the SPDIF input.
1226 * Called from each patch supporting the SPDIF in.
1228 * Returns 0 if successful, or a negative error code.
1230 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
1233 struct snd_kcontrol *kctl;
1234 struct snd_kcontrol_new *dig_mix;
1236 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
1237 kctl = snd_ctl_new1(dig_mix, codec);
1238 kctl->private_value = nid;
1239 if ((err = snd_ctl_add(codec->bus->card, kctl)) < 0)
1242 codec->spdif_in_enable = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0) & 1;
1248 * set power state of the codec
1250 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
1251 unsigned int power_state)
1253 hda_nid_t nid, nid_start;
1256 snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE,
1259 nodes = snd_hda_get_sub_nodes(codec, fg, &nid_start);
1260 for (nid = nid_start; nid < nodes + nid_start; nid++) {
1261 if (get_wcaps(codec, nid) & AC_WCAP_POWER)
1262 snd_hda_codec_write(codec, nid, 0,
1263 AC_VERB_SET_POWER_STATE,
1267 if (power_state == AC_PWRST_D0)
1273 * snd_hda_build_controls - build mixer controls
1276 * Creates mixer controls for each codec included in the bus.
1278 * Returns 0 if successful, otherwise a negative error code.
1280 int snd_hda_build_controls(struct hda_bus *bus)
1282 struct list_head *p;
1284 /* build controls */
1285 list_for_each(p, &bus->codec_list) {
1286 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
1288 if (! codec->patch_ops.build_controls)
1290 err = codec->patch_ops.build_controls(codec);
1296 list_for_each(p, &bus->codec_list) {
1297 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
1299 hda_set_power_state(codec,
1300 codec->afg ? codec->afg : codec->mfg,
1302 if (! codec->patch_ops.init)
1304 err = codec->patch_ops.init(codec);
1311 EXPORT_SYMBOL(snd_hda_build_controls);
1316 struct hda_rate_tbl {
1318 unsigned int alsa_bits;
1319 unsigned int hda_fmt;
1322 static struct hda_rate_tbl rate_bits[] = {
1323 /* rate in Hz, ALSA rate bitmask, HDA format value */
1325 /* autodetected value used in snd_hda_query_supported_pcm */
1326 { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
1327 { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
1328 { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
1329 { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
1330 { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
1331 { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
1332 { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
1333 { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
1334 { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
1335 { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
1336 { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
1338 /* not autodetected value */
1339 { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
1341 { 0 } /* terminator */
1345 * snd_hda_calc_stream_format - calculate format bitset
1346 * @rate: the sample rate
1347 * @channels: the number of channels
1348 * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
1349 * @maxbps: the max. bps
1351 * Calculate the format bitset from the given rate, channels and th PCM format.
1353 * Return zero if invalid.
1355 unsigned int snd_hda_calc_stream_format(unsigned int rate,
1356 unsigned int channels,
1357 unsigned int format,
1358 unsigned int maxbps)
1361 unsigned int val = 0;
1363 for (i = 0; rate_bits[i].hz; i++)
1364 if (rate_bits[i].hz == rate) {
1365 val = rate_bits[i].hda_fmt;
1368 if (! rate_bits[i].hz) {
1369 snd_printdd("invalid rate %d\n", rate);
1373 if (channels == 0 || channels > 8) {
1374 snd_printdd("invalid channels %d\n", channels);
1377 val |= channels - 1;
1379 switch (snd_pcm_format_width(format)) {
1380 case 8: val |= 0x00; break;
1381 case 16: val |= 0x10; break;
1387 else if (maxbps >= 24)
1393 snd_printdd("invalid format width %d\n", snd_pcm_format_width(format));
1400 EXPORT_SYMBOL(snd_hda_calc_stream_format);
1403 * snd_hda_query_supported_pcm - query the supported PCM rates and formats
1404 * @codec: the HDA codec
1405 * @nid: NID to query
1406 * @ratesp: the pointer to store the detected rate bitflags
1407 * @formatsp: the pointer to store the detected formats
1408 * @bpsp: the pointer to store the detected format widths
1410 * Queries the supported PCM rates and formats. The NULL @ratesp, @formatsp
1411 * or @bsps argument is ignored.
1413 * Returns 0 if successful, otherwise a negative error code.
1415 int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
1416 u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
1419 unsigned int val, streams;
1422 if (nid != codec->afg &&
1423 (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
1424 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
1429 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
1433 for (i = 0; rate_bits[i].hz; i++) {
1435 rates |= rate_bits[i].alsa_bits;
1440 if (formatsp || bpsp) {
1445 wcaps = get_wcaps(codec, nid);
1446 streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
1450 streams = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
1456 if (streams & AC_SUPFMT_PCM) {
1457 if (val & AC_SUPPCM_BITS_8) {
1458 formats |= SNDRV_PCM_FMTBIT_U8;
1461 if (val & AC_SUPPCM_BITS_16) {
1462 formats |= SNDRV_PCM_FMTBIT_S16_LE;
1465 if (wcaps & AC_WCAP_DIGITAL) {
1466 if (val & AC_SUPPCM_BITS_32)
1467 formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
1468 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
1469 formats |= SNDRV_PCM_FMTBIT_S32_LE;
1470 if (val & AC_SUPPCM_BITS_24)
1472 else if (val & AC_SUPPCM_BITS_20)
1474 } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|AC_SUPPCM_BITS_32)) {
1475 formats |= SNDRV_PCM_FMTBIT_S32_LE;
1476 if (val & AC_SUPPCM_BITS_32)
1478 else if (val & AC_SUPPCM_BITS_20)
1480 else if (val & AC_SUPPCM_BITS_24)
1484 else if (streams == AC_SUPFMT_FLOAT32) { /* should be exclusive */
1485 formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
1487 } else if (streams == AC_SUPFMT_AC3) { /* should be exclusive */
1488 /* temporary hack: we have still no proper support
1489 * for the direct AC3 stream...
1491 formats |= SNDRV_PCM_FMTBIT_U8;
1495 *formatsp = formats;
1504 * snd_hda_is_supported_format - check whether the given node supports the format val
1506 * Returns 1 if supported, 0 if not.
1508 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
1509 unsigned int format)
1512 unsigned int val = 0, rate, stream;
1514 if (nid != codec->afg &&
1515 (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
1516 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
1521 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
1526 rate = format & 0xff00;
1527 for (i = 0; rate_bits[i].hz; i++)
1528 if (rate_bits[i].hda_fmt == rate) {
1533 if (! rate_bits[i].hz)
1536 stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
1539 if (! stream && nid != codec->afg)
1540 stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
1541 if (! stream || stream == -1)
1544 if (stream & AC_SUPFMT_PCM) {
1545 switch (format & 0xf0) {
1547 if (! (val & AC_SUPPCM_BITS_8))
1551 if (! (val & AC_SUPPCM_BITS_16))
1555 if (! (val & AC_SUPPCM_BITS_20))
1559 if (! (val & AC_SUPPCM_BITS_24))
1563 if (! (val & AC_SUPPCM_BITS_32))
1570 /* FIXME: check for float32 and AC3? */
1579 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
1580 struct hda_codec *codec,
1581 struct snd_pcm_substream *substream)
1586 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
1587 struct hda_codec *codec,
1588 unsigned int stream_tag,
1589 unsigned int format,
1590 struct snd_pcm_substream *substream)
1592 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
1596 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
1597 struct hda_codec *codec,
1598 struct snd_pcm_substream *substream)
1600 snd_hda_codec_setup_stream(codec, hinfo->nid, 0, 0, 0);
1604 static int set_pcm_default_values(struct hda_codec *codec, struct hda_pcm_stream *info)
1607 /* query support PCM information from the given NID */
1608 if (! info->rates || ! info->formats)
1609 snd_hda_query_supported_pcm(codec, info->nid,
1610 info->rates ? NULL : &info->rates,
1611 info->formats ? NULL : &info->formats,
1612 info->maxbps ? NULL : &info->maxbps);
1614 if (info->ops.open == NULL)
1615 info->ops.open = hda_pcm_default_open_close;
1616 if (info->ops.close == NULL)
1617 info->ops.close = hda_pcm_default_open_close;
1618 if (info->ops.prepare == NULL) {
1619 snd_assert(info->nid, return -EINVAL);
1620 info->ops.prepare = hda_pcm_default_prepare;
1622 if (info->ops.cleanup == NULL) {
1623 snd_assert(info->nid, return -EINVAL);
1624 info->ops.cleanup = hda_pcm_default_cleanup;
1630 * snd_hda_build_pcms - build PCM information
1633 * Create PCM information for each codec included in the bus.
1635 * The build_pcms codec patch is requested to set up codec->num_pcms and
1636 * codec->pcm_info properly. The array is referred by the top-level driver
1637 * to create its PCM instances.
1638 * The allocated codec->pcm_info should be released in codec->patch_ops.free
1641 * At least, substreams, channels_min and channels_max must be filled for
1642 * each stream. substreams = 0 indicates that the stream doesn't exist.
1643 * When rates and/or formats are zero, the supported values are queried
1644 * from the given nid. The nid is used also by the default ops.prepare
1645 * and ops.cleanup callbacks.
1647 * The driver needs to call ops.open in its open callback. Similarly,
1648 * ops.close is supposed to be called in the close callback.
1649 * ops.prepare should be called in the prepare or hw_params callback
1650 * with the proper parameters for set up.
1651 * ops.cleanup should be called in hw_free for clean up of streams.
1653 * This function returns 0 if successfull, or a negative error code.
1655 int snd_hda_build_pcms(struct hda_bus *bus)
1657 struct list_head *p;
1659 list_for_each(p, &bus->codec_list) {
1660 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
1661 unsigned int pcm, s;
1663 if (! codec->patch_ops.build_pcms)
1665 err = codec->patch_ops.build_pcms(codec);
1668 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
1669 for (s = 0; s < 2; s++) {
1670 struct hda_pcm_stream *info;
1671 info = &codec->pcm_info[pcm].stream[s];
1672 if (! info->substreams)
1674 err = set_pcm_default_values(codec, info);
1683 EXPORT_SYMBOL(snd_hda_build_pcms);
1686 * snd_hda_check_board_config - compare the current codec with the config table
1687 * @codec: the HDA codec
1688 * @tbl: configuration table, terminated by null entries
1690 * Compares the modelname or PCI subsystem id of the current codec with the
1691 * given configuration table. If a matching entry is found, returns its
1692 * config value (supposed to be 0 or positive).
1694 * If no entries are matching, the function returns a negative value.
1696 int snd_hda_check_board_config(struct hda_codec *codec, const struct hda_board_config *tbl)
1698 const struct hda_board_config *c;
1700 if (codec->bus->modelname) {
1701 for (c = tbl; c->modelname || c->pci_subvendor; c++) {
1703 ! strcmp(codec->bus->modelname, c->modelname)) {
1704 snd_printd(KERN_INFO "hda_codec: model '%s' is selected\n", c->modelname);
1710 if (codec->bus->pci) {
1711 u16 subsystem_vendor, subsystem_device;
1712 pci_read_config_word(codec->bus->pci, PCI_SUBSYSTEM_VENDOR_ID, &subsystem_vendor);
1713 pci_read_config_word(codec->bus->pci, PCI_SUBSYSTEM_ID, &subsystem_device);
1714 for (c = tbl; c->modelname || c->pci_subvendor; c++) {
1715 if (c->pci_subvendor == subsystem_vendor &&
1716 (! c->pci_subdevice /* all match */||
1717 (c->pci_subdevice == subsystem_device))) {
1718 snd_printdd(KERN_INFO "hda_codec: PCI %x:%x, codec config %d is selected\n",
1719 subsystem_vendor, subsystem_device, c->config);
1728 * snd_hda_add_new_ctls - create controls from the array
1729 * @codec: the HDA codec
1730 * @knew: the array of struct snd_kcontrol_new
1732 * This helper function creates and add new controls in the given array.
1733 * The array must be terminated with an empty entry as terminator.
1735 * Returns 0 if successful, or a negative error code.
1737 int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
1741 for (; knew->name; knew++) {
1742 struct snd_kcontrol *kctl;
1743 kctl = snd_ctl_new1(knew, codec);
1746 err = snd_ctl_add(codec->bus->card, kctl);
1750 kctl = snd_ctl_new1(knew, codec);
1753 kctl->id.device = codec->addr;
1754 if ((err = snd_ctl_add(codec->bus->card, kctl)) < 0)
1763 * Channel mode helper
1765 int snd_hda_ch_mode_info(struct hda_codec *codec, struct snd_ctl_elem_info *uinfo,
1766 const struct hda_channel_mode *chmode, int num_chmodes)
1768 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1770 uinfo->value.enumerated.items = num_chmodes;
1771 if (uinfo->value.enumerated.item >= num_chmodes)
1772 uinfo->value.enumerated.item = num_chmodes - 1;
1773 sprintf(uinfo->value.enumerated.name, "%dch",
1774 chmode[uinfo->value.enumerated.item].channels);
1778 int snd_hda_ch_mode_get(struct hda_codec *codec, struct snd_ctl_elem_value *ucontrol,
1779 const struct hda_channel_mode *chmode, int num_chmodes,
1784 for (i = 0; i < num_chmodes; i++) {
1785 if (max_channels == chmode[i].channels) {
1786 ucontrol->value.enumerated.item[0] = i;
1793 int snd_hda_ch_mode_put(struct hda_codec *codec, struct snd_ctl_elem_value *ucontrol,
1794 const struct hda_channel_mode *chmode, int num_chmodes,
1799 mode = ucontrol->value.enumerated.item[0];
1800 snd_assert(mode < num_chmodes, return -EINVAL);
1801 if (*max_channelsp == chmode[mode].channels && ! codec->in_resume)
1803 /* change the current channel setting */
1804 *max_channelsp = chmode[mode].channels;
1805 if (chmode[mode].sequence)
1806 snd_hda_sequence_write(codec, chmode[mode].sequence);
1813 int snd_hda_input_mux_info(const struct hda_input_mux *imux, struct snd_ctl_elem_info *uinfo)
1817 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1819 uinfo->value.enumerated.items = imux->num_items;
1820 index = uinfo->value.enumerated.item;
1821 if (index >= imux->num_items)
1822 index = imux->num_items - 1;
1823 strcpy(uinfo->value.enumerated.name, imux->items[index].label);
1827 int snd_hda_input_mux_put(struct hda_codec *codec, const struct hda_input_mux *imux,
1828 struct snd_ctl_elem_value *ucontrol, hda_nid_t nid,
1829 unsigned int *cur_val)
1833 idx = ucontrol->value.enumerated.item[0];
1834 if (idx >= imux->num_items)
1835 idx = imux->num_items - 1;
1836 if (*cur_val == idx && ! codec->in_resume)
1838 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
1839 imux->items[idx].index);
1846 * Multi-channel / digital-out PCM helper functions
1850 * open the digital out in the exclusive mode
1852 int snd_hda_multi_out_dig_open(struct hda_codec *codec, struct hda_multi_out *mout)
1854 mutex_lock(&codec->spdif_mutex);
1855 if (mout->dig_out_used) {
1856 mutex_unlock(&codec->spdif_mutex);
1857 return -EBUSY; /* already being used */
1859 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
1860 mutex_unlock(&codec->spdif_mutex);
1865 * release the digital out
1867 int snd_hda_multi_out_dig_close(struct hda_codec *codec, struct hda_multi_out *mout)
1869 mutex_lock(&codec->spdif_mutex);
1870 mout->dig_out_used = 0;
1871 mutex_unlock(&codec->spdif_mutex);
1876 * set up more restrictions for analog out
1878 int snd_hda_multi_out_analog_open(struct hda_codec *codec, struct hda_multi_out *mout,
1879 struct snd_pcm_substream *substream)
1881 substream->runtime->hw.channels_max = mout->max_channels;
1882 return snd_pcm_hw_constraint_step(substream->runtime, 0,
1883 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1887 * set up the i/o for analog out
1888 * when the digital out is available, copy the front out to digital out, too.
1890 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, struct hda_multi_out *mout,
1891 unsigned int stream_tag,
1892 unsigned int format,
1893 struct snd_pcm_substream *substream)
1895 hda_nid_t *nids = mout->dac_nids;
1896 int chs = substream->runtime->channels;
1899 mutex_lock(&codec->spdif_mutex);
1900 if (mout->dig_out_nid && mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
1902 snd_hda_is_supported_format(codec, mout->dig_out_nid, format) &&
1903 ! (codec->spdif_status & IEC958_AES0_NONAUDIO)) {
1904 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
1905 /* setup digital receiver */
1906 snd_hda_codec_setup_stream(codec, mout->dig_out_nid,
1907 stream_tag, 0, format);
1909 mout->dig_out_used = 0;
1910 snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
1913 mutex_unlock(&codec->spdif_mutex);
1916 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag, 0, format);
1918 /* headphone out will just decode front left/right (stereo) */
1919 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag, 0, format);
1920 /* extra outputs copied from front */
1921 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
1922 if (mout->extra_out_nid[i])
1923 snd_hda_codec_setup_stream(codec,
1924 mout->extra_out_nid[i],
1925 stream_tag, 0, format);
1928 for (i = 1; i < mout->num_dacs; i++) {
1929 if (chs >= (i + 1) * 2) /* independent out */
1930 snd_hda_codec_setup_stream(codec, nids[i], stream_tag, i * 2,
1932 else /* copy front */
1933 snd_hda_codec_setup_stream(codec, nids[i], stream_tag, 0,
1940 * clean up the setting for analog out
1942 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec, struct hda_multi_out *mout)
1944 hda_nid_t *nids = mout->dac_nids;
1947 for (i = 0; i < mout->num_dacs; i++)
1948 snd_hda_codec_setup_stream(codec, nids[i], 0, 0, 0);
1950 snd_hda_codec_setup_stream(codec, mout->hp_nid, 0, 0, 0);
1951 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
1952 if (mout->extra_out_nid[i])
1953 snd_hda_codec_setup_stream(codec,
1954 mout->extra_out_nid[i],
1956 mutex_lock(&codec->spdif_mutex);
1957 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
1958 snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
1959 mout->dig_out_used = 0;
1961 mutex_unlock(&codec->spdif_mutex);
1966 * Helper for automatic ping configuration
1969 static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list)
1971 for (; *list; list++)
1978 * Parse all pin widgets and store the useful pin nids to cfg
1980 * The number of line-outs or any primary output is stored in line_outs,
1981 * and the corresponding output pins are assigned to line_out_pins[],
1982 * in the order of front, rear, CLFE, side, ...
1984 * If more extra outputs (speaker and headphone) are found, the pins are
1985 * assisnged to hp_pin and speaker_pins[], respectively. If no line-out jack
1986 * is detected, one of speaker of HP pins is assigned as the primary
1987 * output, i.e. to line_out_pins[0]. So, line_outs is always positive
1988 * if any analog output exists.
1990 * The analog input pins are assigned to input_pins array.
1991 * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
1994 int snd_hda_parse_pin_def_config(struct hda_codec *codec, struct auto_pin_cfg *cfg,
1995 hda_nid_t *ignore_nids)
1997 hda_nid_t nid, nid_start;
1999 short seq, assoc_line_out, sequences[ARRAY_SIZE(cfg->line_out_pins)];
2001 memset(cfg, 0, sizeof(*cfg));
2003 memset(sequences, 0, sizeof(sequences));
2006 nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid_start);
2007 for (nid = nid_start; nid < nodes + nid_start; nid++) {
2008 unsigned int wid_caps = get_wcaps(codec, nid);
2009 unsigned int wid_type = (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
2010 unsigned int def_conf;
2013 /* read all default configuration for pin complex */
2014 if (wid_type != AC_WID_PIN)
2016 /* ignore the given nids (e.g. pc-beep returns error) */
2017 if (ignore_nids && is_in_nid_list(nid, ignore_nids))
2020 def_conf = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
2021 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
2023 loc = get_defcfg_location(def_conf);
2024 switch (get_defcfg_device(def_conf)) {
2025 case AC_JACK_LINE_OUT:
2026 seq = get_defcfg_sequence(def_conf);
2027 assoc = get_defcfg_association(def_conf);
2030 if (! assoc_line_out)
2031 assoc_line_out = assoc;
2032 else if (assoc_line_out != assoc)
2034 if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
2036 cfg->line_out_pins[cfg->line_outs] = nid;
2037 sequences[cfg->line_outs] = seq;
2040 case AC_JACK_SPEAKER:
2041 if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
2043 cfg->speaker_pins[cfg->speaker_outs] = nid;
2044 cfg->speaker_outs++;
2046 case AC_JACK_HP_OUT:
2049 case AC_JACK_MIC_IN:
2050 if (loc == AC_JACK_LOC_FRONT)
2051 cfg->input_pins[AUTO_PIN_FRONT_MIC] = nid;
2053 cfg->input_pins[AUTO_PIN_MIC] = nid;
2055 case AC_JACK_LINE_IN:
2056 if (loc == AC_JACK_LOC_FRONT)
2057 cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
2059 cfg->input_pins[AUTO_PIN_LINE] = nid;
2062 cfg->input_pins[AUTO_PIN_CD] = nid;
2065 cfg->input_pins[AUTO_PIN_AUX] = nid;
2067 case AC_JACK_SPDIF_OUT:
2068 cfg->dig_out_pin = nid;
2070 case AC_JACK_SPDIF_IN:
2071 cfg->dig_in_pin = nid;
2076 /* sort by sequence */
2077 for (i = 0; i < cfg->line_outs; i++)
2078 for (j = i + 1; j < cfg->line_outs; j++)
2079 if (sequences[i] > sequences[j]) {
2081 sequences[i] = sequences[j];
2083 nid = cfg->line_out_pins[i];
2084 cfg->line_out_pins[i] = cfg->line_out_pins[j];
2085 cfg->line_out_pins[j] = nid;
2088 /* Reorder the surround channels
2089 * ALSA sequence is front/surr/clfe/side
2091 * 4-ch: front/surr => OK as it is
2092 * 6-ch: front/clfe/surr
2093 * 8-ch: front/clfe/side/surr
2095 switch (cfg->line_outs) {
2097 nid = cfg->line_out_pins[1];
2098 cfg->line_out_pins[1] = cfg->line_out_pins[2];
2099 cfg->line_out_pins[2] = nid;
2102 nid = cfg->line_out_pins[1];
2103 cfg->line_out_pins[1] = cfg->line_out_pins[3];
2104 cfg->line_out_pins[3] = cfg->line_out_pins[2];
2105 cfg->line_out_pins[2] = nid;
2110 * debug prints of the parsed results
2112 snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2113 cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
2114 cfg->line_out_pins[2], cfg->line_out_pins[3],
2115 cfg->line_out_pins[4]);
2116 snd_printd(" speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2117 cfg->speaker_outs, cfg->speaker_pins[0],
2118 cfg->speaker_pins[1], cfg->speaker_pins[2],
2119 cfg->speaker_pins[3], cfg->speaker_pins[4]);
2120 snd_printd(" hp=0x%x, dig_out=0x%x, din_in=0x%x\n",
2121 cfg->hp_pin, cfg->dig_out_pin, cfg->dig_in_pin);
2122 snd_printd(" inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
2123 " cd=0x%x, aux=0x%x\n",
2124 cfg->input_pins[AUTO_PIN_MIC],
2125 cfg->input_pins[AUTO_PIN_FRONT_MIC],
2126 cfg->input_pins[AUTO_PIN_LINE],
2127 cfg->input_pins[AUTO_PIN_FRONT_LINE],
2128 cfg->input_pins[AUTO_PIN_CD],
2129 cfg->input_pins[AUTO_PIN_AUX]);
2132 * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
2133 * as a primary output
2135 if (! cfg->line_outs) {
2136 if (cfg->speaker_outs) {
2137 cfg->line_outs = cfg->speaker_outs;
2138 memcpy(cfg->line_out_pins, cfg->speaker_pins,
2139 sizeof(cfg->speaker_pins));
2140 cfg->speaker_outs = 0;
2141 memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
2142 } else if (cfg->hp_pin) {
2144 cfg->line_out_pins[0] = cfg->hp_pin;
2152 /* labels for input pins */
2153 const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
2154 "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
2164 * snd_hda_suspend - suspend the codecs
2166 * @state: suspsend state
2168 * Returns 0 if successful.
2170 int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
2172 struct list_head *p;
2174 /* FIXME: should handle power widget capabilities */
2175 list_for_each(p, &bus->codec_list) {
2176 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
2177 if (codec->patch_ops.suspend)
2178 codec->patch_ops.suspend(codec, state);
2179 hda_set_power_state(codec,
2180 codec->afg ? codec->afg : codec->mfg,
2186 EXPORT_SYMBOL(snd_hda_suspend);
2189 * snd_hda_resume - resume the codecs
2191 * @state: resume state
2193 * Returns 0 if successful.
2195 int snd_hda_resume(struct hda_bus *bus)
2197 struct list_head *p;
2199 list_for_each(p, &bus->codec_list) {
2200 struct hda_codec *codec = list_entry(p, struct hda_codec, list);
2201 hda_set_power_state(codec,
2202 codec->afg ? codec->afg : codec->mfg,
2204 if (codec->patch_ops.resume)
2205 codec->patch_ops.resume(codec);
2210 EXPORT_SYMBOL(snd_hda_resume);
2213 * snd_hda_resume_ctls - resume controls in the new control list
2214 * @codec: the HDA codec
2215 * @knew: the array of struct snd_kcontrol_new
2217 * This function resumes the mixer controls in the struct snd_kcontrol_new array,
2218 * originally for snd_hda_add_new_ctls().
2219 * The array must be terminated with an empty entry as terminator.
2221 int snd_hda_resume_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
2223 struct snd_ctl_elem_value *val;
2225 val = kmalloc(sizeof(*val), GFP_KERNEL);
2228 codec->in_resume = 1;
2229 for (; knew->name; knew++) {
2231 count = knew->count ? knew->count : 1;
2232 for (i = 0; i < count; i++) {
2233 memset(val, 0, sizeof(*val));
2234 val->id.iface = knew->iface;
2235 val->id.device = knew->device;
2236 val->id.subdevice = knew->subdevice;
2237 strcpy(val->id.name, knew->name);
2238 val->id.index = knew->index ? knew->index : i;
2239 /* Assume that get callback reads only from cache,
2240 * not accessing to the real hardware
2242 if (snd_ctl_elem_read(codec->bus->card, val) < 0)
2244 snd_ctl_elem_write(codec->bus->card, NULL, val);
2247 codec->in_resume = 0;
2253 * snd_hda_resume_spdif_out - resume the digital out
2254 * @codec: the HDA codec
2256 int snd_hda_resume_spdif_out(struct hda_codec *codec)
2258 return snd_hda_resume_ctls(codec, dig_mixes);
2262 * snd_hda_resume_spdif_in - resume the digital in
2263 * @codec: the HDA codec
2265 int snd_hda_resume_spdif_in(struct hda_codec *codec)
2267 return snd_hda_resume_ctls(codec, dig_in_ctls);
2275 static int __init alsa_hda_init(void)
2280 static void __exit alsa_hda_exit(void)
2284 module_init(alsa_hda_init)
2285 module_exit(alsa_hda_exit)