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 <linux/init.h>
23 #include <linux/delay.h>
24 #include <linux/slab.h>
25 #include <linux/pci.h>
26 #include <linux/mutex.h>
27 #include <sound/core.h>
28 #include "hda_codec.h"
29 #include <sound/asoundef.h>
30 #include <sound/tlv.h>
31 #include <sound/initval.h>
32 #include "hda_local.h"
33 #include <sound/hda_hwdep.h>
36 * vendor / preset table
39 struct hda_vendor_id {
44 /* codec vendor labels */
45 static struct hda_vendor_id hda_vendor_ids[] = {
47 { 0x1057, "Motorola" },
48 { 0x1095, "Silicon Image" },
50 { 0x10ec, "Realtek" },
51 { 0x1102, "Creative" },
55 { 0x11d4, "Analog Devices" },
56 { 0x13f6, "C-Media" },
57 { 0x14f1, "Conexant" },
58 { 0x17e8, "Chrontel" },
60 { 0x1aec, "Wolfson Microelectronics" },
61 { 0x434d, "C-Media" },
63 { 0x8384, "SigmaTel" },
67 static DEFINE_MUTEX(preset_mutex);
68 static LIST_HEAD(hda_preset_tables);
70 int snd_hda_add_codec_preset(struct hda_codec_preset_list *preset)
72 mutex_lock(&preset_mutex);
73 list_add_tail(&preset->list, &hda_preset_tables);
74 mutex_unlock(&preset_mutex);
77 EXPORT_SYMBOL_HDA(snd_hda_add_codec_preset);
79 int snd_hda_delete_codec_preset(struct hda_codec_preset_list *preset)
81 mutex_lock(&preset_mutex);
82 list_del(&preset->list);
83 mutex_unlock(&preset_mutex);
86 EXPORT_SYMBOL_HDA(snd_hda_delete_codec_preset);
88 #ifdef CONFIG_SND_HDA_POWER_SAVE
89 static void hda_power_work(struct work_struct *work);
90 static void hda_keep_power_on(struct hda_codec *codec);
92 static inline void hda_keep_power_on(struct hda_codec *codec) {}
95 const char *snd_hda_get_jack_location(u32 cfg)
97 static char *bases[7] = {
98 "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
100 static unsigned char specials_idx[] = {
105 static char *specials[] = {
106 "Rear Panel", "Drive Bar",
107 "Riser", "HDMI", "ATAPI",
108 "Mobile-In", "Mobile-Out"
111 cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT;
112 if ((cfg & 0x0f) < 7)
113 return bases[cfg & 0x0f];
114 for (i = 0; i < ARRAY_SIZE(specials_idx); i++) {
115 if (cfg == specials_idx[i])
120 EXPORT_SYMBOL_HDA(snd_hda_get_jack_location);
122 const char *snd_hda_get_jack_connectivity(u32 cfg)
124 static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" };
126 return jack_locations[(cfg >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3];
128 EXPORT_SYMBOL_HDA(snd_hda_get_jack_connectivity);
130 const char *snd_hda_get_jack_type(u32 cfg)
132 static char *jack_types[16] = {
133 "Line Out", "Speaker", "HP Out", "CD",
134 "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
135 "Line In", "Aux", "Mic", "Telephony",
136 "SPDIF In", "Digitial In", "Reserved", "Other"
139 return jack_types[(cfg & AC_DEFCFG_DEVICE)
140 >> AC_DEFCFG_DEVICE_SHIFT];
142 EXPORT_SYMBOL_HDA(snd_hda_get_jack_type);
145 * Compose a 32bit command word to be sent to the HD-audio controller
147 static inline unsigned int
148 make_codec_cmd(struct hda_codec *codec, hda_nid_t nid, int direct,
149 unsigned int verb, unsigned int parm)
153 val = (u32)(codec->addr & 0x0f) << 28;
154 val |= (u32)direct << 27;
155 val |= (u32)nid << 20;
162 * Send and receive a verb
164 static int codec_exec_verb(struct hda_codec *codec, unsigned int cmd,
167 struct hda_bus *bus = codec->bus;
173 snd_hda_power_up(codec);
174 mutex_lock(&bus->cmd_mutex);
175 err = bus->ops.command(bus, cmd);
177 *res = bus->ops.get_response(bus);
178 mutex_unlock(&bus->cmd_mutex);
179 snd_hda_power_down(codec);
180 if (res && *res == -1 && bus->rirb_error) {
181 if (bus->response_reset) {
182 snd_printd("hda_codec: resetting BUS due to "
183 "fatal communication error\n");
184 bus->ops.bus_reset(bus);
188 /* clear reset-flag when the communication gets recovered */
190 bus->response_reset = 0;
195 * snd_hda_codec_read - send a command and get the response
196 * @codec: the HDA codec
197 * @nid: NID to send the command
198 * @direct: direct flag
199 * @verb: the verb to send
200 * @parm: the parameter for the verb
202 * Send a single command and read the corresponding response.
204 * Returns the obtained response value, or -1 for an error.
206 unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
208 unsigned int verb, unsigned int parm)
210 unsigned cmd = make_codec_cmd(codec, nid, direct, verb, parm);
212 codec_exec_verb(codec, cmd, &res);
215 EXPORT_SYMBOL_HDA(snd_hda_codec_read);
218 * snd_hda_codec_write - send a single command without waiting for response
219 * @codec: the HDA codec
220 * @nid: NID to send the command
221 * @direct: direct flag
222 * @verb: the verb to send
223 * @parm: the parameter for the verb
225 * Send a single command without waiting for response.
227 * Returns 0 if successful, or a negative error code.
229 int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
230 unsigned int verb, unsigned int parm)
232 unsigned int cmd = make_codec_cmd(codec, nid, direct, verb, parm);
234 return codec_exec_verb(codec, cmd,
235 codec->bus->sync_write ? &res : NULL);
237 EXPORT_SYMBOL_HDA(snd_hda_codec_write);
240 * snd_hda_sequence_write - sequence writes
241 * @codec: the HDA codec
242 * @seq: VERB array to send
244 * Send the commands sequentially from the given array.
245 * The array must be terminated with NID=0.
247 void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
249 for (; seq->nid; seq++)
250 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
252 EXPORT_SYMBOL_HDA(snd_hda_sequence_write);
255 * snd_hda_get_sub_nodes - get the range of sub nodes
256 * @codec: the HDA codec
258 * @start_id: the pointer to store the start NID
260 * Parse the NID and store the start NID of its sub-nodes.
261 * Returns the number of sub-nodes.
263 int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
268 parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
271 *start_id = (parm >> 16) & 0x7fff;
272 return (int)(parm & 0x7fff);
274 EXPORT_SYMBOL_HDA(snd_hda_get_sub_nodes);
277 * snd_hda_get_connections - get connection list
278 * @codec: the HDA codec
280 * @conn_list: connection list array
281 * @max_conns: max. number of connections to store
283 * Parses the connection list of the given widget and stores the list
286 * Returns the number of connections, or a negative error code.
288 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
289 hda_nid_t *conn_list, int max_conns)
292 int i, conn_len, conns;
293 unsigned int shift, num_elems, mask;
296 if (snd_BUG_ON(!conn_list || max_conns <= 0))
299 parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN);
300 if (parm & AC_CLIST_LONG) {
309 conn_len = parm & AC_CLIST_LENGTH;
310 mask = (1 << (shift-1)) - 1;
313 return 0; /* no connection */
316 /* single connection */
317 parm = snd_hda_codec_read(codec, nid, 0,
318 AC_VERB_GET_CONNECT_LIST, 0);
319 conn_list[0] = parm & mask;
323 /* multi connection */
326 for (i = 0; i < conn_len; i++) {
330 if (i % num_elems == 0)
331 parm = snd_hda_codec_read(codec, nid, 0,
332 AC_VERB_GET_CONNECT_LIST, i);
333 range_val = !!(parm & (1 << (shift-1))); /* ranges */
337 /* ranges between the previous and this one */
338 if (!prev_nid || prev_nid >= val) {
339 snd_printk(KERN_WARNING "hda_codec: "
340 "invalid dep_range_val %x:%x\n",
344 for (n = prev_nid + 1; n <= val; n++) {
345 if (conns >= max_conns) {
347 "Too many connections\n");
350 conn_list[conns++] = n;
353 if (conns >= max_conns) {
354 snd_printk(KERN_ERR "Too many connections\n");
357 conn_list[conns++] = val;
363 EXPORT_SYMBOL_HDA(snd_hda_get_connections);
367 * snd_hda_queue_unsol_event - add an unsolicited event to queue
369 * @res: unsolicited event (lower 32bit of RIRB entry)
370 * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
372 * Adds the given event to the queue. The events are processed in
373 * the workqueue asynchronously. Call this function in the interrupt
374 * hanlder when RIRB receives an unsolicited event.
376 * Returns 0 if successful, or a negative error code.
378 int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
380 struct hda_bus_unsolicited *unsol;
387 wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
391 unsol->queue[wp] = res;
392 unsol->queue[wp + 1] = res_ex;
394 queue_work(bus->workq, &unsol->work);
398 EXPORT_SYMBOL_HDA(snd_hda_queue_unsol_event);
401 * process queued unsolicited events
403 static void process_unsol_events(struct work_struct *work)
405 struct hda_bus_unsolicited *unsol =
406 container_of(work, struct hda_bus_unsolicited, work);
407 struct hda_bus *bus = unsol->bus;
408 struct hda_codec *codec;
409 unsigned int rp, caddr, res;
411 while (unsol->rp != unsol->wp) {
412 rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE;
415 res = unsol->queue[rp];
416 caddr = unsol->queue[rp + 1];
417 if (!(caddr & (1 << 4))) /* no unsolicited event? */
419 codec = bus->caddr_tbl[caddr & 0x0f];
420 if (codec && codec->patch_ops.unsol_event)
421 codec->patch_ops.unsol_event(codec, res);
426 * initialize unsolicited queue
428 static int init_unsol_queue(struct hda_bus *bus)
430 struct hda_bus_unsolicited *unsol;
432 if (bus->unsol) /* already initialized */
435 unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
437 snd_printk(KERN_ERR "hda_codec: "
438 "can't allocate unsolicited queue\n");
441 INIT_WORK(&unsol->work, process_unsol_events);
450 static void snd_hda_codec_free(struct hda_codec *codec);
452 static int snd_hda_bus_free(struct hda_bus *bus)
454 struct hda_codec *codec, *n;
459 flush_workqueue(bus->workq);
462 list_for_each_entry_safe(codec, n, &bus->codec_list, list) {
463 snd_hda_codec_free(codec);
465 if (bus->ops.private_free)
466 bus->ops.private_free(bus);
468 destroy_workqueue(bus->workq);
473 static int snd_hda_bus_dev_free(struct snd_device *device)
475 struct hda_bus *bus = device->device_data;
477 return snd_hda_bus_free(bus);
480 #ifdef CONFIG_SND_HDA_HWDEP
481 static int snd_hda_bus_dev_register(struct snd_device *device)
483 struct hda_bus *bus = device->device_data;
484 struct hda_codec *codec;
485 list_for_each_entry(codec, &bus->codec_list, list) {
486 snd_hda_hwdep_add_sysfs(codec);
491 #define snd_hda_bus_dev_register NULL
495 * snd_hda_bus_new - create a HDA bus
496 * @card: the card entry
497 * @temp: the template for hda_bus information
498 * @busp: the pointer to store the created bus instance
500 * Returns 0 if successful, or a negative error code.
502 int /*__devinit*/ snd_hda_bus_new(struct snd_card *card,
503 const struct hda_bus_template *temp,
504 struct hda_bus **busp)
508 static struct snd_device_ops dev_ops = {
509 .dev_register = snd_hda_bus_dev_register,
510 .dev_free = snd_hda_bus_dev_free,
513 if (snd_BUG_ON(!temp))
515 if (snd_BUG_ON(!temp->ops.command || !temp->ops.get_response))
521 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
523 snd_printk(KERN_ERR "can't allocate struct hda_bus\n");
528 bus->private_data = temp->private_data;
529 bus->pci = temp->pci;
530 bus->modelname = temp->modelname;
531 bus->power_save = temp->power_save;
532 bus->ops = temp->ops;
534 mutex_init(&bus->cmd_mutex);
535 INIT_LIST_HEAD(&bus->codec_list);
537 snprintf(bus->workq_name, sizeof(bus->workq_name),
538 "hd-audio%d", card->number);
539 bus->workq = create_singlethread_workqueue(bus->workq_name);
541 snd_printk(KERN_ERR "cannot create workqueue %s\n",
547 err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
549 snd_hda_bus_free(bus);
556 EXPORT_SYMBOL_HDA(snd_hda_bus_new);
558 #ifdef CONFIG_SND_HDA_GENERIC
559 #define is_generic_config(codec) \
560 (codec->modelname && !strcmp(codec->modelname, "generic"))
562 #define is_generic_config(codec) 0
566 #define HDA_MODREQ_MAX_COUNT 2 /* two request_modules()'s */
568 #define HDA_MODREQ_MAX_COUNT 0 /* all presets are statically linked */
572 * find a matching codec preset
574 static const struct hda_codec_preset *
575 find_codec_preset(struct hda_codec *codec)
577 struct hda_codec_preset_list *tbl;
578 const struct hda_codec_preset *preset;
579 int mod_requested = 0;
581 if (is_generic_config(codec))
582 return NULL; /* use the generic parser */
585 mutex_lock(&preset_mutex);
586 list_for_each_entry(tbl, &hda_preset_tables, list) {
587 if (!try_module_get(tbl->owner)) {
588 snd_printk(KERN_ERR "hda_codec: cannot module_get\n");
591 for (preset = tbl->preset; preset->id; preset++) {
592 u32 mask = preset->mask;
593 if (preset->afg && preset->afg != codec->afg)
595 if (preset->mfg && preset->mfg != codec->mfg)
599 if (preset->id == (codec->vendor_id & mask) &&
601 preset->rev == codec->revision_id)) {
602 mutex_unlock(&preset_mutex);
603 codec->owner = tbl->owner;
607 module_put(tbl->owner);
609 mutex_unlock(&preset_mutex);
611 if (mod_requested < HDA_MODREQ_MAX_COUNT) {
614 snprintf(name, sizeof(name), "snd-hda-codec-id:%08x",
617 snprintf(name, sizeof(name), "snd-hda-codec-id:%04x*",
618 (codec->vendor_id >> 16) & 0xffff);
619 request_module(name);
627 * get_codec_name - store the codec name
629 static int get_codec_name(struct hda_codec *codec)
631 const struct hda_vendor_id *c;
632 const char *vendor = NULL;
633 u16 vendor_id = codec->vendor_id >> 16;
636 if (codec->vendor_name)
639 for (c = hda_vendor_ids; c->id; c++) {
640 if (c->id == vendor_id) {
646 sprintf(tmp, "Generic %04x", vendor_id);
649 codec->vendor_name = kstrdup(vendor, GFP_KERNEL);
650 if (!codec->vendor_name)
654 if (codec->chip_name)
657 if (codec->preset && codec->preset->name)
658 codec->chip_name = kstrdup(codec->preset->name, GFP_KERNEL);
660 sprintf(tmp, "ID %x", codec->vendor_id & 0xffff);
661 codec->chip_name = kstrdup(tmp, GFP_KERNEL);
663 if (!codec->chip_name)
669 * look for an AFG and MFG nodes
671 static void /*__devinit*/ setup_fg_nodes(struct hda_codec *codec)
673 int i, total_nodes, function_id;
676 total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
677 for (i = 0; i < total_nodes; i++, nid++) {
678 function_id = snd_hda_param_read(codec, nid,
679 AC_PAR_FUNCTION_TYPE) & 0xff;
680 switch (function_id) {
681 case AC_GRP_AUDIO_FUNCTION:
683 codec->function_id = function_id;
685 case AC_GRP_MODEM_FUNCTION:
687 codec->function_id = function_id;
696 * read widget caps for each widget and store in cache
698 static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
703 codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node,
705 codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL);
708 nid = codec->start_nid;
709 for (i = 0; i < codec->num_nodes; i++, nid++)
710 codec->wcaps[i] = snd_hda_param_read(codec, nid,
711 AC_PAR_AUDIO_WIDGET_CAP);
715 /* read all pin default configurations and save codec->init_pins */
716 static int read_pin_defaults(struct hda_codec *codec)
719 hda_nid_t nid = codec->start_nid;
721 for (i = 0; i < codec->num_nodes; i++, nid++) {
722 struct hda_pincfg *pin;
723 unsigned int wcaps = get_wcaps(codec, nid);
724 unsigned int wid_type = (wcaps & AC_WCAP_TYPE) >>
726 if (wid_type != AC_WID_PIN)
728 pin = snd_array_new(&codec->init_pins);
732 pin->cfg = snd_hda_codec_read(codec, nid, 0,
733 AC_VERB_GET_CONFIG_DEFAULT, 0);
738 /* look up the given pin config list and return the item matching with NID */
739 static struct hda_pincfg *look_up_pincfg(struct hda_codec *codec,
740 struct snd_array *array,
744 for (i = 0; i < array->used; i++) {
745 struct hda_pincfg *pin = snd_array_elem(array, i);
752 /* write a config value for the given NID */
753 static void set_pincfg(struct hda_codec *codec, hda_nid_t nid,
757 for (i = 0; i < 4; i++) {
758 snd_hda_codec_write(codec, nid, 0,
759 AC_VERB_SET_CONFIG_DEFAULT_BYTES_0 + i,
765 /* set the current pin config value for the given NID.
766 * the value is cached, and read via snd_hda_codec_get_pincfg()
768 int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
769 hda_nid_t nid, unsigned int cfg)
771 struct hda_pincfg *pin;
774 oldcfg = snd_hda_codec_get_pincfg(codec, nid);
775 pin = look_up_pincfg(codec, list, nid);
777 pin = snd_array_new(list);
784 /* change only when needed; e.g. if the pincfg is already present
785 * in user_pins[], don't write it
787 cfg = snd_hda_codec_get_pincfg(codec, nid);
789 set_pincfg(codec, nid, cfg);
793 int snd_hda_codec_set_pincfg(struct hda_codec *codec,
794 hda_nid_t nid, unsigned int cfg)
796 return snd_hda_add_pincfg(codec, &codec->driver_pins, nid, cfg);
798 EXPORT_SYMBOL_HDA(snd_hda_codec_set_pincfg);
800 /* get the current pin config value of the given pin NID */
801 unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid)
803 struct hda_pincfg *pin;
805 #ifdef CONFIG_SND_HDA_HWDEP
806 pin = look_up_pincfg(codec, &codec->user_pins, nid);
810 pin = look_up_pincfg(codec, &codec->driver_pins, nid);
813 pin = look_up_pincfg(codec, &codec->init_pins, nid);
818 EXPORT_SYMBOL_HDA(snd_hda_codec_get_pincfg);
820 /* restore all current pin configs */
821 static void restore_pincfgs(struct hda_codec *codec)
824 for (i = 0; i < codec->init_pins.used; i++) {
825 struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i);
826 set_pincfg(codec, pin->nid,
827 snd_hda_codec_get_pincfg(codec, pin->nid));
831 static void init_hda_cache(struct hda_cache_rec *cache,
832 unsigned int record_size);
833 static void free_hda_cache(struct hda_cache_rec *cache);
835 /* restore the initial pin cfgs and release all pincfg lists */
836 static void restore_init_pincfgs(struct hda_codec *codec)
838 /* first free driver_pins and user_pins, then call restore_pincfg
839 * so that only the values in init_pins are restored
841 snd_array_free(&codec->driver_pins);
842 #ifdef CONFIG_SND_HDA_HWDEP
843 snd_array_free(&codec->user_pins);
845 restore_pincfgs(codec);
846 snd_array_free(&codec->init_pins);
852 static void snd_hda_codec_free(struct hda_codec *codec)
856 restore_init_pincfgs(codec);
857 #ifdef CONFIG_SND_HDA_POWER_SAVE
858 cancel_delayed_work(&codec->power_work);
859 flush_workqueue(codec->bus->workq);
861 list_del(&codec->list);
862 snd_array_free(&codec->mixers);
863 codec->bus->caddr_tbl[codec->addr] = NULL;
864 if (codec->patch_ops.free)
865 codec->patch_ops.free(codec);
866 module_put(codec->owner);
867 free_hda_cache(&codec->amp_cache);
868 free_hda_cache(&codec->cmd_cache);
869 kfree(codec->vendor_name);
870 kfree(codec->chip_name);
871 kfree(codec->modelname);
876 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
877 unsigned int power_state);
880 * snd_hda_codec_new - create a HDA codec
881 * @bus: the bus to assign
882 * @codec_addr: the codec address
883 * @codecp: the pointer to store the generated codec
885 * Returns 0 if successful, or a negative error code.
887 int /*__devinit*/ snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
888 struct hda_codec **codecp)
890 struct hda_codec *codec;
894 if (snd_BUG_ON(!bus))
896 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
899 if (bus->caddr_tbl[codec_addr]) {
900 snd_printk(KERN_ERR "hda_codec: "
901 "address 0x%x is already occupied\n", codec_addr);
905 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
907 snd_printk(KERN_ERR "can't allocate struct hda_codec\n");
912 codec->addr = codec_addr;
913 mutex_init(&codec->spdif_mutex);
914 mutex_init(&codec->control_mutex);
915 init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
916 init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
917 snd_array_init(&codec->mixers, sizeof(struct snd_kcontrol *), 32);
918 snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16);
919 snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16);
920 if (codec->bus->modelname) {
921 codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL);
922 if (!codec->modelname) {
923 snd_hda_codec_free(codec);
928 #ifdef CONFIG_SND_HDA_POWER_SAVE
929 INIT_DELAYED_WORK(&codec->power_work, hda_power_work);
930 /* snd_hda_codec_new() marks the codec as power-up, and leave it as is.
931 * the caller has to power down appropriatley after initialization
934 hda_keep_power_on(codec);
937 list_add_tail(&codec->list, &bus->codec_list);
938 bus->caddr_tbl[codec_addr] = codec;
940 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
942 if (codec->vendor_id == -1)
943 /* read again, hopefully the access method was corrected
944 * in the last read...
946 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
948 codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT,
949 AC_PAR_SUBSYSTEM_ID);
950 codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT,
953 setup_fg_nodes(codec);
954 if (!codec->afg && !codec->mfg) {
955 snd_printdd("hda_codec: no AFG or MFG node found\n");
960 err = read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg);
962 snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
965 err = read_pin_defaults(codec);
969 if (!codec->subsystem_id) {
970 hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
971 codec->subsystem_id =
972 snd_hda_codec_read(codec, nid, 0,
973 AC_VERB_GET_SUBSYSTEM_ID, 0);
976 /* power-up all before initialization */
977 hda_set_power_state(codec,
978 codec->afg ? codec->afg : codec->mfg,
981 snd_hda_codec_proc_new(codec);
983 snd_hda_create_hwdep(codec);
985 sprintf(component, "HDA:%08x,%08x,%08x", codec->vendor_id,
986 codec->subsystem_id, codec->revision_id);
987 snd_component_add(codec->bus->card, component);
994 snd_hda_codec_free(codec);
997 EXPORT_SYMBOL_HDA(snd_hda_codec_new);
999 int snd_hda_codec_configure(struct hda_codec *codec)
1003 codec->preset = find_codec_preset(codec);
1004 if (!codec->vendor_name || !codec->chip_name) {
1005 err = get_codec_name(codec);
1009 /* audio codec should override the mixer name */
1010 if (codec->afg || !*codec->bus->card->mixername)
1011 snprintf(codec->bus->card->mixername,
1012 sizeof(codec->bus->card->mixername),
1013 "%s %s", codec->vendor_name, codec->chip_name);
1015 if (is_generic_config(codec)) {
1016 err = snd_hda_parse_generic_codec(codec);
1019 if (codec->preset && codec->preset->patch) {
1020 err = codec->preset->patch(codec);
1024 /* call the default parser */
1025 err = snd_hda_parse_generic_codec(codec);
1027 printk(KERN_ERR "hda-codec: No codec parser is available\n");
1030 if (!err && codec->patch_ops.unsol_event)
1031 err = init_unsol_queue(codec->bus);
1034 EXPORT_SYMBOL_HDA(snd_hda_codec_configure);
1037 * snd_hda_codec_setup_stream - set up the codec for streaming
1038 * @codec: the CODEC to set up
1039 * @nid: the NID to set up
1040 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
1041 * @channel_id: channel id to pass, zero based.
1042 * @format: stream format.
1044 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
1046 int channel_id, int format)
1051 snd_printdd("hda_codec_setup_stream: "
1052 "NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
1053 nid, stream_tag, channel_id, format);
1054 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID,
1055 (stream_tag << 4) | channel_id);
1057 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
1059 EXPORT_SYMBOL_HDA(snd_hda_codec_setup_stream);
1061 void snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid)
1066 snd_printdd("hda_codec_cleanup_stream: NID=0x%x\n", nid);
1067 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1068 #if 0 /* keep the format */
1070 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0);
1073 EXPORT_SYMBOL_HDA(snd_hda_codec_cleanup_stream);
1076 * amp access functions
1079 /* FIXME: more better hash key? */
1080 #define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
1081 #define HDA_HASH_PINCAP_KEY(nid) (u32)((nid) + (0x02 << 24))
1082 #define HDA_HASH_PARPCM_KEY(nid) (u32)((nid) + (0x03 << 24))
1083 #define HDA_HASH_PARSTR_KEY(nid) (u32)((nid) + (0x04 << 24))
1084 #define INFO_AMP_CAPS (1<<0)
1085 #define INFO_AMP_VOL(ch) (1 << (1 + (ch)))
1087 /* initialize the hash table */
1088 static void /*__devinit*/ init_hda_cache(struct hda_cache_rec *cache,
1089 unsigned int record_size)
1091 memset(cache, 0, sizeof(*cache));
1092 memset(cache->hash, 0xff, sizeof(cache->hash));
1093 snd_array_init(&cache->buf, record_size, 64);
1096 static void free_hda_cache(struct hda_cache_rec *cache)
1098 snd_array_free(&cache->buf);
1101 /* query the hash. allocate an entry if not found. */
1102 static struct hda_cache_head *get_alloc_hash(struct hda_cache_rec *cache,
1105 u16 idx = key % (u16)ARRAY_SIZE(cache->hash);
1106 u16 cur = cache->hash[idx];
1107 struct hda_cache_head *info;
1109 while (cur != 0xffff) {
1110 info = snd_array_elem(&cache->buf, cur);
1111 if (info->key == key)
1116 /* add a new hash entry */
1117 info = snd_array_new(&cache->buf);
1120 cur = snd_array_index(&cache->buf, info);
1123 info->next = cache->hash[idx];
1124 cache->hash[idx] = cur;
1129 /* query and allocate an amp hash entry */
1130 static inline struct hda_amp_info *
1131 get_alloc_amp_hash(struct hda_codec *codec, u32 key)
1133 return (struct hda_amp_info *)get_alloc_hash(&codec->amp_cache, key);
1137 * query AMP capabilities for the given widget and direction
1139 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
1141 struct hda_amp_info *info;
1143 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0));
1146 if (!(info->head.val & INFO_AMP_CAPS)) {
1147 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
1149 info->amp_caps = snd_hda_param_read(codec, nid,
1150 direction == HDA_OUTPUT ?
1151 AC_PAR_AMP_OUT_CAP :
1154 info->head.val |= INFO_AMP_CAPS;
1156 return info->amp_caps;
1158 EXPORT_SYMBOL_HDA(query_amp_caps);
1160 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
1163 struct hda_amp_info *info;
1165 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, dir, 0));
1168 info->amp_caps = caps;
1169 info->head.val |= INFO_AMP_CAPS;
1172 EXPORT_SYMBOL_HDA(snd_hda_override_amp_caps);
1175 query_caps_hash(struct hda_codec *codec, hda_nid_t nid, u32 key,
1176 unsigned int (*func)(struct hda_codec *, hda_nid_t))
1178 struct hda_amp_info *info;
1180 info = get_alloc_amp_hash(codec, key);
1183 if (!info->head.val) {
1184 info->head.val |= INFO_AMP_CAPS;
1185 info->amp_caps = func(codec, nid);
1187 return info->amp_caps;
1190 static unsigned int read_pin_cap(struct hda_codec *codec, hda_nid_t nid)
1192 return snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
1195 u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid)
1197 return query_caps_hash(codec, nid, HDA_HASH_PINCAP_KEY(nid),
1200 EXPORT_SYMBOL_HDA(snd_hda_query_pin_caps);
1203 * read the current volume to info
1204 * if the cache exists, read the cache value.
1206 static unsigned int get_vol_mute(struct hda_codec *codec,
1207 struct hda_amp_info *info, hda_nid_t nid,
1208 int ch, int direction, int index)
1212 if (info->head.val & INFO_AMP_VOL(ch))
1213 return info->vol[ch];
1215 parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
1216 parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
1218 val = snd_hda_codec_read(codec, nid, 0,
1219 AC_VERB_GET_AMP_GAIN_MUTE, parm);
1220 info->vol[ch] = val & 0xff;
1221 info->head.val |= INFO_AMP_VOL(ch);
1222 return info->vol[ch];
1226 * write the current volume in info to the h/w and update the cache
1228 static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
1229 hda_nid_t nid, int ch, int direction, int index,
1234 parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
1235 parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
1236 parm |= index << AC_AMP_SET_INDEX_SHIFT;
1238 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
1239 info->vol[ch] = val;
1243 * read AMP value. The volume is between 0 to 0x7f, 0x80 = mute bit.
1245 int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
1246 int direction, int index)
1248 struct hda_amp_info *info;
1249 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
1252 return get_vol_mute(codec, info, nid, ch, direction, index);
1254 EXPORT_SYMBOL_HDA(snd_hda_codec_amp_read);
1257 * update the AMP value, mask = bit mask to set, val = the value
1259 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
1260 int direction, int idx, int mask, int val)
1262 struct hda_amp_info *info;
1264 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx));
1268 val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask;
1269 if (info->vol[ch] == val)
1271 put_vol_mute(codec, info, nid, ch, direction, idx, val);
1274 EXPORT_SYMBOL_HDA(snd_hda_codec_amp_update);
1277 * update the AMP stereo with the same mask and value
1279 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
1280 int direction, int idx, int mask, int val)
1283 for (ch = 0; ch < 2; ch++)
1284 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
1288 EXPORT_SYMBOL_HDA(snd_hda_codec_amp_stereo);
1290 #ifdef SND_HDA_NEEDS_RESUME
1291 /* resume the all amp commands from the cache */
1292 void snd_hda_codec_resume_amp(struct hda_codec *codec)
1294 struct hda_amp_info *buffer = codec->amp_cache.buf.list;
1297 for (i = 0; i < codec->amp_cache.buf.used; i++, buffer++) {
1298 u32 key = buffer->head.key;
1300 unsigned int idx, dir, ch;
1304 idx = (key >> 16) & 0xff;
1305 dir = (key >> 24) & 0xff;
1306 for (ch = 0; ch < 2; ch++) {
1307 if (!(buffer->head.val & INFO_AMP_VOL(ch)))
1309 put_vol_mute(codec, buffer, nid, ch, dir, idx,
1314 EXPORT_SYMBOL_HDA(snd_hda_codec_resume_amp);
1315 #endif /* SND_HDA_NEEDS_RESUME */
1318 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
1319 struct snd_ctl_elem_info *uinfo)
1321 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1322 u16 nid = get_amp_nid(kcontrol);
1323 u8 chs = get_amp_channels(kcontrol);
1324 int dir = get_amp_direction(kcontrol);
1325 unsigned int ofs = get_amp_offset(kcontrol);
1328 caps = query_amp_caps(codec, nid, dir);
1330 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1332 printk(KERN_WARNING "hda_codec: "
1333 "num_steps = 0 for NID=0x%x (ctl = %s)\n", nid,
1339 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1340 uinfo->count = chs == 3 ? 2 : 1;
1341 uinfo->value.integer.min = 0;
1342 uinfo->value.integer.max = caps;
1345 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_info);
1348 static inline unsigned int
1349 read_amp_value(struct hda_codec *codec, hda_nid_t nid,
1350 int ch, int dir, int idx, unsigned int ofs)
1353 val = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
1354 val &= HDA_AMP_VOLMASK;
1363 update_amp_value(struct hda_codec *codec, hda_nid_t nid,
1364 int ch, int dir, int idx, unsigned int ofs,
1369 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx,
1370 HDA_AMP_VOLMASK, val);
1373 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
1374 struct snd_ctl_elem_value *ucontrol)
1376 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1377 hda_nid_t nid = get_amp_nid(kcontrol);
1378 int chs = get_amp_channels(kcontrol);
1379 int dir = get_amp_direction(kcontrol);
1380 int idx = get_amp_index(kcontrol);
1381 unsigned int ofs = get_amp_offset(kcontrol);
1382 long *valp = ucontrol->value.integer.value;
1385 *valp++ = read_amp_value(codec, nid, 0, dir, idx, ofs);
1387 *valp = read_amp_value(codec, nid, 1, dir, idx, ofs);
1390 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_get);
1392 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1393 struct snd_ctl_elem_value *ucontrol)
1395 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1396 hda_nid_t nid = get_amp_nid(kcontrol);
1397 int chs = get_amp_channels(kcontrol);
1398 int dir = get_amp_direction(kcontrol);
1399 int idx = get_amp_index(kcontrol);
1400 unsigned int ofs = get_amp_offset(kcontrol);
1401 long *valp = ucontrol->value.integer.value;
1404 snd_hda_power_up(codec);
1406 change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp);
1410 change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp);
1411 snd_hda_power_down(codec);
1414 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_put);
1416 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1417 unsigned int size, unsigned int __user *_tlv)
1419 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1420 hda_nid_t nid = get_amp_nid(kcontrol);
1421 int dir = get_amp_direction(kcontrol);
1422 unsigned int ofs = get_amp_offset(kcontrol);
1423 u32 caps, val1, val2;
1425 if (size < 4 * sizeof(unsigned int))
1427 caps = query_amp_caps(codec, nid, dir);
1428 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1429 val2 = (val2 + 1) * 25;
1430 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1432 val1 = ((int)val1) * ((int)val2);
1433 if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
1435 if (put_user(2 * sizeof(unsigned int), _tlv + 1))
1437 if (put_user(val1, _tlv + 2))
1439 if (put_user(val2, _tlv + 3))
1443 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_tlv);
1446 * set (static) TLV for virtual master volume; recalculated as max 0dB
1448 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1454 caps = query_amp_caps(codec, nid, dir);
1455 nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1456 step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1457 step = (step + 1) * 25;
1458 tlv[0] = SNDRV_CTL_TLVT_DB_SCALE;
1459 tlv[1] = 2 * sizeof(unsigned int);
1460 tlv[2] = -nums * step;
1463 EXPORT_SYMBOL_HDA(snd_hda_set_vmaster_tlv);
1465 /* find a mixer control element with the given name */
1466 static struct snd_kcontrol *
1467 _snd_hda_find_mixer_ctl(struct hda_codec *codec,
1468 const char *name, int idx)
1470 struct snd_ctl_elem_id id;
1471 memset(&id, 0, sizeof(id));
1472 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1474 if (snd_BUG_ON(strlen(name) >= sizeof(id.name)))
1476 strcpy(id.name, name);
1477 return snd_ctl_find_id(codec->bus->card, &id);
1480 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1483 return _snd_hda_find_mixer_ctl(codec, name, 0);
1485 EXPORT_SYMBOL_HDA(snd_hda_find_mixer_ctl);
1487 /* Add a control element and assign to the codec */
1488 int snd_hda_ctl_add(struct hda_codec *codec, struct snd_kcontrol *kctl)
1491 struct snd_kcontrol **knewp;
1493 err = snd_ctl_add(codec->bus->card, kctl);
1496 knewp = snd_array_new(&codec->mixers);
1502 EXPORT_SYMBOL_HDA(snd_hda_ctl_add);
1504 /* Clear all controls assigned to the given codec */
1505 void snd_hda_ctls_clear(struct hda_codec *codec)
1508 struct snd_kcontrol **kctls = codec->mixers.list;
1509 for (i = 0; i < codec->mixers.used; i++)
1510 snd_ctl_remove(codec->bus->card, kctls[i]);
1511 snd_array_free(&codec->mixers);
1514 /* pseudo device locking
1515 * toggle card->shutdown to allow/disallow the device access (as a hack)
1517 static int hda_lock_devices(struct snd_card *card)
1519 spin_lock(&card->files_lock);
1520 if (card->shutdown) {
1521 spin_unlock(&card->files_lock);
1525 spin_unlock(&card->files_lock);
1529 static void hda_unlock_devices(struct snd_card *card)
1531 spin_lock(&card->files_lock);
1533 spin_unlock(&card->files_lock);
1536 int snd_hda_codec_reset(struct hda_codec *codec)
1538 struct snd_card *card = codec->bus->card;
1541 if (hda_lock_devices(card) < 0)
1543 /* check whether the codec isn't used by any mixer or PCM streams */
1544 if (!list_empty(&card->ctl_files)) {
1545 hda_unlock_devices(card);
1548 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
1549 struct hda_pcm *cpcm = &codec->pcm_info[pcm];
1552 if (cpcm->pcm->streams[0].substream_opened ||
1553 cpcm->pcm->streams[1].substream_opened) {
1554 hda_unlock_devices(card);
1559 /* OK, let it free */
1561 #ifdef CONFIG_SND_HDA_POWER_SAVE
1562 cancel_delayed_work(&codec->power_work);
1563 flush_workqueue(codec->bus->workq);
1565 snd_hda_ctls_clear(codec);
1567 for (i = 0; i < codec->num_pcms; i++) {
1568 if (codec->pcm_info[i].pcm) {
1569 snd_device_free(card, codec->pcm_info[i].pcm);
1570 clear_bit(codec->pcm_info[i].device,
1571 codec->bus->pcm_dev_bits);
1574 if (codec->patch_ops.free)
1575 codec->patch_ops.free(codec);
1576 codec->proc_widget_hook = NULL;
1578 free_hda_cache(&codec->amp_cache);
1579 free_hda_cache(&codec->cmd_cache);
1580 init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
1581 init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
1582 /* free only driver_pins so that init_pins + user_pins are restored */
1583 snd_array_free(&codec->driver_pins);
1584 restore_pincfgs(codec);
1585 codec->num_pcms = 0;
1586 codec->pcm_info = NULL;
1587 codec->preset = NULL;
1588 memset(&codec->patch_ops, 0, sizeof(codec->patch_ops));
1589 codec->slave_dig_outs = NULL;
1590 codec->spdif_status_reset = 0;
1591 module_put(codec->owner);
1592 codec->owner = NULL;
1594 /* allow device access again */
1595 hda_unlock_devices(card);
1599 /* create a virtual master control and add slaves */
1600 int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
1601 unsigned int *tlv, const char **slaves)
1603 struct snd_kcontrol *kctl;
1607 for (s = slaves; *s && !snd_hda_find_mixer_ctl(codec, *s); s++)
1610 snd_printdd("No slave found for %s\n", name);
1613 kctl = snd_ctl_make_virtual_master(name, tlv);
1616 err = snd_hda_ctl_add(codec, kctl);
1620 for (s = slaves; *s; s++) {
1621 struct snd_kcontrol *sctl;
1624 sctl = _snd_hda_find_mixer_ctl(codec, *s, i);
1627 snd_printdd("Cannot find slave %s, "
1631 err = snd_ctl_add_slave(kctl, sctl);
1639 EXPORT_SYMBOL_HDA(snd_hda_add_vmaster);
1642 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
1643 struct snd_ctl_elem_info *uinfo)
1645 int chs = get_amp_channels(kcontrol);
1647 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1648 uinfo->count = chs == 3 ? 2 : 1;
1649 uinfo->value.integer.min = 0;
1650 uinfo->value.integer.max = 1;
1653 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_info);
1655 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
1656 struct snd_ctl_elem_value *ucontrol)
1658 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1659 hda_nid_t nid = get_amp_nid(kcontrol);
1660 int chs = get_amp_channels(kcontrol);
1661 int dir = get_amp_direction(kcontrol);
1662 int idx = get_amp_index(kcontrol);
1663 long *valp = ucontrol->value.integer.value;
1666 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
1667 HDA_AMP_MUTE) ? 0 : 1;
1669 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
1670 HDA_AMP_MUTE) ? 0 : 1;
1673 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_get);
1675 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
1676 struct snd_ctl_elem_value *ucontrol)
1678 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1679 hda_nid_t nid = get_amp_nid(kcontrol);
1680 int chs = get_amp_channels(kcontrol);
1681 int dir = get_amp_direction(kcontrol);
1682 int idx = get_amp_index(kcontrol);
1683 long *valp = ucontrol->value.integer.value;
1686 snd_hda_power_up(codec);
1688 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
1690 *valp ? 0 : HDA_AMP_MUTE);
1694 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
1696 *valp ? 0 : HDA_AMP_MUTE);
1697 #ifdef CONFIG_SND_HDA_POWER_SAVE
1698 if (codec->patch_ops.check_power_status)
1699 codec->patch_ops.check_power_status(codec, nid);
1701 snd_hda_power_down(codec);
1704 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_put);
1707 * bound volume controls
1709 * bind multiple volumes (# indices, from 0)
1712 #define AMP_VAL_IDX_SHIFT 19
1713 #define AMP_VAL_IDX_MASK (0x0f<<19)
1715 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
1716 struct snd_ctl_elem_value *ucontrol)
1718 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1722 mutex_lock(&codec->control_mutex);
1723 pval = kcontrol->private_value;
1724 kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
1725 err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
1726 kcontrol->private_value = pval;
1727 mutex_unlock(&codec->control_mutex);
1730 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_switch_get);
1732 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
1733 struct snd_ctl_elem_value *ucontrol)
1735 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1737 int i, indices, err = 0, change = 0;
1739 mutex_lock(&codec->control_mutex);
1740 pval = kcontrol->private_value;
1741 indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
1742 for (i = 0; i < indices; i++) {
1743 kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) |
1744 (i << AMP_VAL_IDX_SHIFT);
1745 err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
1750 kcontrol->private_value = pval;
1751 mutex_unlock(&codec->control_mutex);
1752 return err < 0 ? err : change;
1754 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_switch_put);
1757 * generic bound volume/swtich controls
1759 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
1760 struct snd_ctl_elem_info *uinfo)
1762 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1763 struct hda_bind_ctls *c;
1766 mutex_lock(&codec->control_mutex);
1767 c = (struct hda_bind_ctls *)kcontrol->private_value;
1768 kcontrol->private_value = *c->values;
1769 err = c->ops->info(kcontrol, uinfo);
1770 kcontrol->private_value = (long)c;
1771 mutex_unlock(&codec->control_mutex);
1774 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_info);
1776 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
1777 struct snd_ctl_elem_value *ucontrol)
1779 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1780 struct hda_bind_ctls *c;
1783 mutex_lock(&codec->control_mutex);
1784 c = (struct hda_bind_ctls *)kcontrol->private_value;
1785 kcontrol->private_value = *c->values;
1786 err = c->ops->get(kcontrol, ucontrol);
1787 kcontrol->private_value = (long)c;
1788 mutex_unlock(&codec->control_mutex);
1791 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_get);
1793 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
1794 struct snd_ctl_elem_value *ucontrol)
1796 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1797 struct hda_bind_ctls *c;
1798 unsigned long *vals;
1799 int err = 0, change = 0;
1801 mutex_lock(&codec->control_mutex);
1802 c = (struct hda_bind_ctls *)kcontrol->private_value;
1803 for (vals = c->values; *vals; vals++) {
1804 kcontrol->private_value = *vals;
1805 err = c->ops->put(kcontrol, ucontrol);
1810 kcontrol->private_value = (long)c;
1811 mutex_unlock(&codec->control_mutex);
1812 return err < 0 ? err : change;
1814 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_put);
1816 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1817 unsigned int size, unsigned int __user *tlv)
1819 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1820 struct hda_bind_ctls *c;
1823 mutex_lock(&codec->control_mutex);
1824 c = (struct hda_bind_ctls *)kcontrol->private_value;
1825 kcontrol->private_value = *c->values;
1826 err = c->ops->tlv(kcontrol, op_flag, size, tlv);
1827 kcontrol->private_value = (long)c;
1828 mutex_unlock(&codec->control_mutex);
1831 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_tlv);
1833 struct hda_ctl_ops snd_hda_bind_vol = {
1834 .info = snd_hda_mixer_amp_volume_info,
1835 .get = snd_hda_mixer_amp_volume_get,
1836 .put = snd_hda_mixer_amp_volume_put,
1837 .tlv = snd_hda_mixer_amp_tlv
1839 EXPORT_SYMBOL_HDA(snd_hda_bind_vol);
1841 struct hda_ctl_ops snd_hda_bind_sw = {
1842 .info = snd_hda_mixer_amp_switch_info,
1843 .get = snd_hda_mixer_amp_switch_get,
1844 .put = snd_hda_mixer_amp_switch_put,
1845 .tlv = snd_hda_mixer_amp_tlv
1847 EXPORT_SYMBOL_HDA(snd_hda_bind_sw);
1850 * SPDIF out controls
1853 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
1854 struct snd_ctl_elem_info *uinfo)
1856 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1861 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
1862 struct snd_ctl_elem_value *ucontrol)
1864 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1865 IEC958_AES0_NONAUDIO |
1866 IEC958_AES0_CON_EMPHASIS_5015 |
1867 IEC958_AES0_CON_NOT_COPYRIGHT;
1868 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
1869 IEC958_AES1_CON_ORIGINAL;
1873 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
1874 struct snd_ctl_elem_value *ucontrol)
1876 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1877 IEC958_AES0_NONAUDIO |
1878 IEC958_AES0_PRO_EMPHASIS_5015;
1882 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
1883 struct snd_ctl_elem_value *ucontrol)
1885 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1887 ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff;
1888 ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff;
1889 ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff;
1890 ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff;
1895 /* convert from SPDIF status bits to HDA SPDIF bits
1896 * bit 0 (DigEn) is always set zero (to be filled later)
1898 static unsigned short convert_from_spdif_status(unsigned int sbits)
1900 unsigned short val = 0;
1902 if (sbits & IEC958_AES0_PROFESSIONAL)
1903 val |= AC_DIG1_PROFESSIONAL;
1904 if (sbits & IEC958_AES0_NONAUDIO)
1905 val |= AC_DIG1_NONAUDIO;
1906 if (sbits & IEC958_AES0_PROFESSIONAL) {
1907 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
1908 IEC958_AES0_PRO_EMPHASIS_5015)
1909 val |= AC_DIG1_EMPHASIS;
1911 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
1912 IEC958_AES0_CON_EMPHASIS_5015)
1913 val |= AC_DIG1_EMPHASIS;
1914 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
1915 val |= AC_DIG1_COPYRIGHT;
1916 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
1917 val |= AC_DIG1_LEVEL;
1918 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
1923 /* convert to SPDIF status bits from HDA SPDIF bits
1925 static unsigned int convert_to_spdif_status(unsigned short val)
1927 unsigned int sbits = 0;
1929 if (val & AC_DIG1_NONAUDIO)
1930 sbits |= IEC958_AES0_NONAUDIO;
1931 if (val & AC_DIG1_PROFESSIONAL)
1932 sbits |= IEC958_AES0_PROFESSIONAL;
1933 if (sbits & IEC958_AES0_PROFESSIONAL) {
1934 if (sbits & AC_DIG1_EMPHASIS)
1935 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
1937 if (val & AC_DIG1_EMPHASIS)
1938 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
1939 if (!(val & AC_DIG1_COPYRIGHT))
1940 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
1941 if (val & AC_DIG1_LEVEL)
1942 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
1943 sbits |= val & (0x7f << 8);
1948 /* set digital convert verbs both for the given NID and its slaves */
1949 static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
1954 snd_hda_codec_write_cache(codec, nid, 0, verb, val);
1955 d = codec->slave_dig_outs;
1959 snd_hda_codec_write_cache(codec, *d, 0, verb, val);
1962 static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
1966 set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_1, dig1);
1968 set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_2, dig2);
1971 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
1972 struct snd_ctl_elem_value *ucontrol)
1974 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1975 hda_nid_t nid = kcontrol->private_value;
1979 mutex_lock(&codec->spdif_mutex);
1980 codec->spdif_status = ucontrol->value.iec958.status[0] |
1981 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
1982 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
1983 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
1984 val = convert_from_spdif_status(codec->spdif_status);
1985 val |= codec->spdif_ctls & 1;
1986 change = codec->spdif_ctls != val;
1987 codec->spdif_ctls = val;
1990 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
1992 mutex_unlock(&codec->spdif_mutex);
1996 #define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
1998 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
1999 struct snd_ctl_elem_value *ucontrol)
2001 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2003 ucontrol->value.integer.value[0] = codec->spdif_ctls & AC_DIG1_ENABLE;
2007 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
2008 struct snd_ctl_elem_value *ucontrol)
2010 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2011 hda_nid_t nid = kcontrol->private_value;
2015 mutex_lock(&codec->spdif_mutex);
2016 val = codec->spdif_ctls & ~AC_DIG1_ENABLE;
2017 if (ucontrol->value.integer.value[0])
2018 val |= AC_DIG1_ENABLE;
2019 change = codec->spdif_ctls != val;
2021 codec->spdif_ctls = val;
2022 set_dig_out_convert(codec, nid, val & 0xff, -1);
2023 /* unmute amp switch (if any) */
2024 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
2025 (val & AC_DIG1_ENABLE))
2026 snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
2029 mutex_unlock(&codec->spdif_mutex);
2033 static struct snd_kcontrol_new dig_mixes[] = {
2035 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2036 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2037 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
2038 .info = snd_hda_spdif_mask_info,
2039 .get = snd_hda_spdif_cmask_get,
2042 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2043 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2044 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
2045 .info = snd_hda_spdif_mask_info,
2046 .get = snd_hda_spdif_pmask_get,
2049 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2050 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
2051 .info = snd_hda_spdif_mask_info,
2052 .get = snd_hda_spdif_default_get,
2053 .put = snd_hda_spdif_default_put,
2056 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2057 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
2058 .info = snd_hda_spdif_out_switch_info,
2059 .get = snd_hda_spdif_out_switch_get,
2060 .put = snd_hda_spdif_out_switch_put,
2065 #define SPDIF_MAX_IDX 4 /* 4 instances should be enough to probe */
2068 * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
2069 * @codec: the HDA codec
2070 * @nid: audio out widget NID
2072 * Creates controls related with the SPDIF output.
2073 * Called from each patch supporting the SPDIF out.
2075 * Returns 0 if successful, or a negative error code.
2077 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid)
2080 struct snd_kcontrol *kctl;
2081 struct snd_kcontrol_new *dig_mix;
2084 for (idx = 0; idx < SPDIF_MAX_IDX; idx++) {
2085 if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Playback Switch",
2089 if (idx >= SPDIF_MAX_IDX) {
2090 printk(KERN_ERR "hda_codec: too many IEC958 outputs\n");
2093 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2094 kctl = snd_ctl_new1(dig_mix, codec);
2097 kctl->id.index = idx;
2098 kctl->private_value = nid;
2099 err = snd_hda_ctl_add(codec, kctl);
2104 snd_hda_codec_read(codec, nid, 0,
2105 AC_VERB_GET_DIGI_CONVERT_1, 0);
2106 codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
2109 EXPORT_SYMBOL_HDA(snd_hda_create_spdif_out_ctls);
2112 * SPDIF sharing with analog output
2114 static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
2115 struct snd_ctl_elem_value *ucontrol)
2117 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2118 ucontrol->value.integer.value[0] = mout->share_spdif;
2122 static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
2123 struct snd_ctl_elem_value *ucontrol)
2125 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2126 mout->share_spdif = !!ucontrol->value.integer.value[0];
2130 static struct snd_kcontrol_new spdif_share_sw = {
2131 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2132 .name = "IEC958 Default PCM Playback Switch",
2133 .info = snd_ctl_boolean_mono_info,
2134 .get = spdif_share_sw_get,
2135 .put = spdif_share_sw_put,
2138 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
2139 struct hda_multi_out *mout)
2141 if (!mout->dig_out_nid)
2143 /* ATTENTION: here mout is passed as private_data, instead of codec */
2144 return snd_hda_ctl_add(codec,
2145 snd_ctl_new1(&spdif_share_sw, mout));
2147 EXPORT_SYMBOL_HDA(snd_hda_create_spdif_share_sw);
2153 #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
2155 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
2156 struct snd_ctl_elem_value *ucontrol)
2158 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2160 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
2164 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
2165 struct snd_ctl_elem_value *ucontrol)
2167 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2168 hda_nid_t nid = kcontrol->private_value;
2169 unsigned int val = !!ucontrol->value.integer.value[0];
2172 mutex_lock(&codec->spdif_mutex);
2173 change = codec->spdif_in_enable != val;
2175 codec->spdif_in_enable = val;
2176 snd_hda_codec_write_cache(codec, nid, 0,
2177 AC_VERB_SET_DIGI_CONVERT_1, val);
2179 mutex_unlock(&codec->spdif_mutex);
2183 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
2184 struct snd_ctl_elem_value *ucontrol)
2186 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2187 hda_nid_t nid = kcontrol->private_value;
2191 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT_1, 0);
2192 sbits = convert_to_spdif_status(val);
2193 ucontrol->value.iec958.status[0] = sbits;
2194 ucontrol->value.iec958.status[1] = sbits >> 8;
2195 ucontrol->value.iec958.status[2] = sbits >> 16;
2196 ucontrol->value.iec958.status[3] = sbits >> 24;
2200 static struct snd_kcontrol_new dig_in_ctls[] = {
2202 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2203 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
2204 .info = snd_hda_spdif_in_switch_info,
2205 .get = snd_hda_spdif_in_switch_get,
2206 .put = snd_hda_spdif_in_switch_put,
2209 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2210 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2211 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
2212 .info = snd_hda_spdif_mask_info,
2213 .get = snd_hda_spdif_in_status_get,
2219 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
2220 * @codec: the HDA codec
2221 * @nid: audio in widget NID
2223 * Creates controls related with the SPDIF input.
2224 * Called from each patch supporting the SPDIF in.
2226 * Returns 0 if successful, or a negative error code.
2228 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
2231 struct snd_kcontrol *kctl;
2232 struct snd_kcontrol_new *dig_mix;
2235 for (idx = 0; idx < SPDIF_MAX_IDX; idx++) {
2236 if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Capture Switch",
2240 if (idx >= SPDIF_MAX_IDX) {
2241 printk(KERN_ERR "hda_codec: too many IEC958 inputs\n");
2244 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
2245 kctl = snd_ctl_new1(dig_mix, codec);
2248 kctl->private_value = nid;
2249 err = snd_hda_ctl_add(codec, kctl);
2253 codec->spdif_in_enable =
2254 snd_hda_codec_read(codec, nid, 0,
2255 AC_VERB_GET_DIGI_CONVERT_1, 0) &
2259 EXPORT_SYMBOL_HDA(snd_hda_create_spdif_in_ctls);
2261 #ifdef SND_HDA_NEEDS_RESUME
2266 /* build a 32bit cache key with the widget id and the command parameter */
2267 #define build_cmd_cache_key(nid, verb) ((verb << 8) | nid)
2268 #define get_cmd_cache_nid(key) ((key) & 0xff)
2269 #define get_cmd_cache_cmd(key) (((key) >> 8) & 0xffff)
2272 * snd_hda_codec_write_cache - send a single command with caching
2273 * @codec: the HDA codec
2274 * @nid: NID to send the command
2275 * @direct: direct flag
2276 * @verb: the verb to send
2277 * @parm: the parameter for the verb
2279 * Send a single command without waiting for response.
2281 * Returns 0 if successful, or a negative error code.
2283 int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
2284 int direct, unsigned int verb, unsigned int parm)
2286 int err = snd_hda_codec_write(codec, nid, direct, verb, parm);
2287 struct hda_cache_head *c;
2292 /* parm may contain the verb stuff for get/set amp */
2293 verb = verb | (parm >> 8);
2295 key = build_cmd_cache_key(nid, verb);
2296 mutex_lock(&codec->bus->cmd_mutex);
2297 c = get_alloc_hash(&codec->cmd_cache, key);
2300 mutex_unlock(&codec->bus->cmd_mutex);
2303 EXPORT_SYMBOL_HDA(snd_hda_codec_write_cache);
2305 /* resume the all commands from the cache */
2306 void snd_hda_codec_resume_cache(struct hda_codec *codec)
2308 struct hda_cache_head *buffer = codec->cmd_cache.buf.list;
2311 for (i = 0; i < codec->cmd_cache.buf.used; i++, buffer++) {
2312 u32 key = buffer->key;
2315 snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0,
2316 get_cmd_cache_cmd(key), buffer->val);
2319 EXPORT_SYMBOL_HDA(snd_hda_codec_resume_cache);
2322 * snd_hda_sequence_write_cache - sequence writes with caching
2323 * @codec: the HDA codec
2324 * @seq: VERB array to send
2326 * Send the commands sequentially from the given array.
2327 * Thte commands are recorded on cache for power-save and resume.
2328 * The array must be terminated with NID=0.
2330 void snd_hda_sequence_write_cache(struct hda_codec *codec,
2331 const struct hda_verb *seq)
2333 for (; seq->nid; seq++)
2334 snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb,
2337 EXPORT_SYMBOL_HDA(snd_hda_sequence_write_cache);
2338 #endif /* SND_HDA_NEEDS_RESUME */
2341 * set power state of the codec
2343 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2344 unsigned int power_state)
2349 snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE,
2351 msleep(10); /* partial workaround for "azx_get_response timeout" */
2353 nid = codec->start_nid;
2354 for (i = 0; i < codec->num_nodes; i++, nid++) {
2355 unsigned int wcaps = get_wcaps(codec, nid);
2356 if (wcaps & AC_WCAP_POWER) {
2357 unsigned int wid_type = (wcaps & AC_WCAP_TYPE) >>
2359 if (power_state == AC_PWRST_D3 &&
2360 wid_type == AC_WID_PIN) {
2361 unsigned int pincap;
2363 * don't power down the widget if it controls
2364 * eapd and EAPD_BTLENABLE is set.
2366 pincap = snd_hda_query_pin_caps(codec, nid);
2367 if (pincap & AC_PINCAP_EAPD) {
2368 int eapd = snd_hda_codec_read(codec,
2370 AC_VERB_GET_EAPD_BTLENABLE, 0);
2376 snd_hda_codec_write(codec, nid, 0,
2377 AC_VERB_SET_POWER_STATE,
2382 if (power_state == AC_PWRST_D0) {
2383 unsigned long end_time;
2386 /* wait until the codec reachs to D0 */
2387 end_time = jiffies + msecs_to_jiffies(500);
2389 state = snd_hda_codec_read(codec, fg, 0,
2390 AC_VERB_GET_POWER_STATE, 0);
2391 if (state == power_state)
2394 } while (time_after_eq(end_time, jiffies));
2398 #ifdef CONFIG_SND_HDA_HWDEP
2399 /* execute additional init verbs */
2400 static void hda_exec_init_verbs(struct hda_codec *codec)
2402 if (codec->init_verbs.list)
2403 snd_hda_sequence_write(codec, codec->init_verbs.list);
2406 static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
2409 #ifdef SND_HDA_NEEDS_RESUME
2411 * call suspend and power-down; used both from PM and power-save
2413 static void hda_call_codec_suspend(struct hda_codec *codec)
2415 if (codec->patch_ops.suspend)
2416 codec->patch_ops.suspend(codec, PMSG_SUSPEND);
2417 hda_set_power_state(codec,
2418 codec->afg ? codec->afg : codec->mfg,
2420 #ifdef CONFIG_SND_HDA_POWER_SAVE
2421 cancel_delayed_work(&codec->power_work);
2422 codec->power_on = 0;
2423 codec->power_transition = 0;
2428 * kick up codec; used both from PM and power-save
2430 static void hda_call_codec_resume(struct hda_codec *codec)
2432 hda_set_power_state(codec,
2433 codec->afg ? codec->afg : codec->mfg,
2435 restore_pincfgs(codec); /* restore all current pin configs */
2436 hda_exec_init_verbs(codec);
2437 if (codec->patch_ops.resume)
2438 codec->patch_ops.resume(codec);
2440 if (codec->patch_ops.init)
2441 codec->patch_ops.init(codec);
2442 snd_hda_codec_resume_amp(codec);
2443 snd_hda_codec_resume_cache(codec);
2446 #endif /* SND_HDA_NEEDS_RESUME */
2450 * snd_hda_build_controls - build mixer controls
2453 * Creates mixer controls for each codec included in the bus.
2455 * Returns 0 if successful, otherwise a negative error code.
2457 int /*__devinit*/ snd_hda_build_controls(struct hda_bus *bus)
2459 struct hda_codec *codec;
2461 list_for_each_entry(codec, &bus->codec_list, list) {
2462 int err = snd_hda_codec_build_controls(codec);
2464 printk(KERN_ERR "hda_codec: cannot build controls"
2465 "for #%d (error %d)\n", codec->addr, err);
2466 err = snd_hda_codec_reset(codec);
2469 "hda_codec: cannot revert codec\n");
2476 EXPORT_SYMBOL_HDA(snd_hda_build_controls);
2478 int snd_hda_codec_build_controls(struct hda_codec *codec)
2481 hda_exec_init_verbs(codec);
2482 /* continue to initialize... */
2483 if (codec->patch_ops.init)
2484 err = codec->patch_ops.init(codec);
2485 if (!err && codec->patch_ops.build_controls)
2486 err = codec->patch_ops.build_controls(codec);
2495 struct hda_rate_tbl {
2497 unsigned int alsa_bits;
2498 unsigned int hda_fmt;
2501 static struct hda_rate_tbl rate_bits[] = {
2502 /* rate in Hz, ALSA rate bitmask, HDA format value */
2504 /* autodetected value used in snd_hda_query_supported_pcm */
2505 { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
2506 { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
2507 { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
2508 { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
2509 { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
2510 { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
2511 { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
2512 { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
2513 { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
2514 { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
2515 { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
2516 #define AC_PAR_PCM_RATE_BITS 11
2517 /* up to bits 10, 384kHZ isn't supported properly */
2519 /* not autodetected value */
2520 { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
2522 { 0 } /* terminator */
2526 * snd_hda_calc_stream_format - calculate format bitset
2527 * @rate: the sample rate
2528 * @channels: the number of channels
2529 * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
2530 * @maxbps: the max. bps
2532 * Calculate the format bitset from the given rate, channels and th PCM format.
2534 * Return zero if invalid.
2536 unsigned int snd_hda_calc_stream_format(unsigned int rate,
2537 unsigned int channels,
2538 unsigned int format,
2539 unsigned int maxbps)
2542 unsigned int val = 0;
2544 for (i = 0; rate_bits[i].hz; i++)
2545 if (rate_bits[i].hz == rate) {
2546 val = rate_bits[i].hda_fmt;
2549 if (!rate_bits[i].hz) {
2550 snd_printdd("invalid rate %d\n", rate);
2554 if (channels == 0 || channels > 8) {
2555 snd_printdd("invalid channels %d\n", channels);
2558 val |= channels - 1;
2560 switch (snd_pcm_format_width(format)) {
2561 case 8: val |= 0x00; break;
2562 case 16: val |= 0x10; break;
2568 else if (maxbps >= 24)
2574 snd_printdd("invalid format width %d\n",
2575 snd_pcm_format_width(format));
2581 EXPORT_SYMBOL_HDA(snd_hda_calc_stream_format);
2583 static unsigned int get_pcm_param(struct hda_codec *codec, hda_nid_t nid)
2585 unsigned int val = 0;
2586 if (nid != codec->afg &&
2587 (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD))
2588 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
2589 if (!val || val == -1)
2590 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
2591 if (!val || val == -1)
2596 static unsigned int query_pcm_param(struct hda_codec *codec, hda_nid_t nid)
2598 return query_caps_hash(codec, nid, HDA_HASH_PARPCM_KEY(nid),
2602 static unsigned int get_stream_param(struct hda_codec *codec, hda_nid_t nid)
2604 unsigned int streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
2605 if (!streams || streams == -1)
2606 streams = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
2607 if (!streams || streams == -1)
2612 static unsigned int query_stream_param(struct hda_codec *codec, hda_nid_t nid)
2614 return query_caps_hash(codec, nid, HDA_HASH_PARSTR_KEY(nid),
2619 * snd_hda_query_supported_pcm - query the supported PCM rates and formats
2620 * @codec: the HDA codec
2621 * @nid: NID to query
2622 * @ratesp: the pointer to store the detected rate bitflags
2623 * @formatsp: the pointer to store the detected formats
2624 * @bpsp: the pointer to store the detected format widths
2626 * Queries the supported PCM rates and formats. The NULL @ratesp, @formatsp
2627 * or @bsps argument is ignored.
2629 * Returns 0 if successful, otherwise a negative error code.
2631 static int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
2632 u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
2634 unsigned int i, val, wcaps;
2636 wcaps = get_wcaps(codec, nid);
2637 val = query_pcm_param(codec, nid);
2641 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) {
2643 rates |= rate_bits[i].alsa_bits;
2646 snd_printk(KERN_ERR "hda_codec: rates == 0 "
2647 "(nid=0x%x, val=0x%x, ovrd=%i)\n",
2649 (wcaps & AC_WCAP_FORMAT_OVRD) ? 1 : 0);
2655 if (formatsp || bpsp) {
2657 unsigned int streams, bps;
2659 streams = query_stream_param(codec, nid);
2664 if (streams & AC_SUPFMT_PCM) {
2665 if (val & AC_SUPPCM_BITS_8) {
2666 formats |= SNDRV_PCM_FMTBIT_U8;
2669 if (val & AC_SUPPCM_BITS_16) {
2670 formats |= SNDRV_PCM_FMTBIT_S16_LE;
2673 if (wcaps & AC_WCAP_DIGITAL) {
2674 if (val & AC_SUPPCM_BITS_32)
2675 formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
2676 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
2677 formats |= SNDRV_PCM_FMTBIT_S32_LE;
2678 if (val & AC_SUPPCM_BITS_24)
2680 else if (val & AC_SUPPCM_BITS_20)
2682 } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|
2683 AC_SUPPCM_BITS_32)) {
2684 formats |= SNDRV_PCM_FMTBIT_S32_LE;
2685 if (val & AC_SUPPCM_BITS_32)
2687 else if (val & AC_SUPPCM_BITS_24)
2689 else if (val & AC_SUPPCM_BITS_20)
2693 if (streams & AC_SUPFMT_FLOAT32) {
2694 formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
2697 if (streams == AC_SUPFMT_AC3) {
2698 /* should be exclusive */
2699 /* temporary hack: we have still no proper support
2700 * for the direct AC3 stream...
2702 formats |= SNDRV_PCM_FMTBIT_U8;
2706 snd_printk(KERN_ERR "hda_codec: formats == 0 "
2707 "(nid=0x%x, val=0x%x, ovrd=%i, "
2710 (wcaps & AC_WCAP_FORMAT_OVRD) ? 1 : 0,
2715 *formatsp = formats;
2724 * snd_hda_is_supported_format - check whether the given node supports
2727 * Returns 1 if supported, 0 if not.
2729 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
2730 unsigned int format)
2733 unsigned int val = 0, rate, stream;
2735 val = query_pcm_param(codec, nid);
2739 rate = format & 0xff00;
2740 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)
2741 if (rate_bits[i].hda_fmt == rate) {
2746 if (i >= AC_PAR_PCM_RATE_BITS)
2749 stream = query_stream_param(codec, nid);
2753 if (stream & AC_SUPFMT_PCM) {
2754 switch (format & 0xf0) {
2756 if (!(val & AC_SUPPCM_BITS_8))
2760 if (!(val & AC_SUPPCM_BITS_16))
2764 if (!(val & AC_SUPPCM_BITS_20))
2768 if (!(val & AC_SUPPCM_BITS_24))
2772 if (!(val & AC_SUPPCM_BITS_32))
2779 /* FIXME: check for float32 and AC3? */
2784 EXPORT_SYMBOL_HDA(snd_hda_is_supported_format);
2789 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
2790 struct hda_codec *codec,
2791 struct snd_pcm_substream *substream)
2796 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
2797 struct hda_codec *codec,
2798 unsigned int stream_tag,
2799 unsigned int format,
2800 struct snd_pcm_substream *substream)
2802 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
2806 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
2807 struct hda_codec *codec,
2808 struct snd_pcm_substream *substream)
2810 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
2814 static int set_pcm_default_values(struct hda_codec *codec,
2815 struct hda_pcm_stream *info)
2819 /* query support PCM information from the given NID */
2820 if (info->nid && (!info->rates || !info->formats)) {
2821 err = snd_hda_query_supported_pcm(codec, info->nid,
2822 info->rates ? NULL : &info->rates,
2823 info->formats ? NULL : &info->formats,
2824 info->maxbps ? NULL : &info->maxbps);
2828 if (info->ops.open == NULL)
2829 info->ops.open = hda_pcm_default_open_close;
2830 if (info->ops.close == NULL)
2831 info->ops.close = hda_pcm_default_open_close;
2832 if (info->ops.prepare == NULL) {
2833 if (snd_BUG_ON(!info->nid))
2835 info->ops.prepare = hda_pcm_default_prepare;
2837 if (info->ops.cleanup == NULL) {
2838 if (snd_BUG_ON(!info->nid))
2840 info->ops.cleanup = hda_pcm_default_cleanup;
2846 * get the empty PCM device number to assign
2848 static int get_empty_pcm_device(struct hda_bus *bus, int type)
2850 static const char *dev_name[HDA_PCM_NTYPES] = {
2851 "Audio", "SPDIF", "HDMI", "Modem"
2853 /* starting device index for each PCM type */
2854 static int dev_idx[HDA_PCM_NTYPES] = {
2855 [HDA_PCM_TYPE_AUDIO] = 0,
2856 [HDA_PCM_TYPE_SPDIF] = 1,
2857 [HDA_PCM_TYPE_HDMI] = 3,
2858 [HDA_PCM_TYPE_MODEM] = 6
2860 /* normal audio device indices; not linear to keep compatibility */
2861 static int audio_idx[4] = { 0, 2, 4, 5 };
2865 case HDA_PCM_TYPE_AUDIO:
2866 for (i = 0; i < ARRAY_SIZE(audio_idx); i++) {
2868 if (!test_bit(dev, bus->pcm_dev_bits))
2871 snd_printk(KERN_WARNING "Too many audio devices\n");
2873 case HDA_PCM_TYPE_SPDIF:
2874 case HDA_PCM_TYPE_HDMI:
2875 case HDA_PCM_TYPE_MODEM:
2876 dev = dev_idx[type];
2877 if (test_bit(dev, bus->pcm_dev_bits)) {
2878 snd_printk(KERN_WARNING "%s already defined\n",
2884 snd_printk(KERN_WARNING "Invalid PCM type %d\n", type);
2888 set_bit(dev, bus->pcm_dev_bits);
2893 * attach a new PCM stream
2895 static int snd_hda_attach_pcm(struct hda_codec *codec, struct hda_pcm *pcm)
2897 struct hda_bus *bus = codec->bus;
2898 struct hda_pcm_stream *info;
2901 if (snd_BUG_ON(!pcm->name))
2903 for (stream = 0; stream < 2; stream++) {
2904 info = &pcm->stream[stream];
2905 if (info->substreams) {
2906 err = set_pcm_default_values(codec, info);
2911 return bus->ops.attach_pcm(bus, codec, pcm);
2914 /* assign all PCMs of the given codec */
2915 int snd_hda_codec_build_pcms(struct hda_codec *codec)
2920 if (!codec->num_pcms) {
2921 if (!codec->patch_ops.build_pcms)
2923 err = codec->patch_ops.build_pcms(codec);
2925 printk(KERN_ERR "hda_codec: cannot build PCMs"
2926 "for #%d (error %d)\n", codec->addr, err);
2927 err = snd_hda_codec_reset(codec);
2930 "hda_codec: cannot revert codec\n");
2935 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
2936 struct hda_pcm *cpcm = &codec->pcm_info[pcm];
2939 if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
2940 continue; /* no substreams assigned */
2943 dev = get_empty_pcm_device(codec->bus, cpcm->pcm_type);
2945 continue; /* no fatal error */
2947 err = snd_hda_attach_pcm(codec, cpcm);
2949 printk(KERN_ERR "hda_codec: cannot attach "
2950 "PCM stream %d for codec #%d\n",
2952 continue; /* no fatal error */
2960 * snd_hda_build_pcms - build PCM information
2963 * Create PCM information for each codec included in the bus.
2965 * The build_pcms codec patch is requested to set up codec->num_pcms and
2966 * codec->pcm_info properly. The array is referred by the top-level driver
2967 * to create its PCM instances.
2968 * The allocated codec->pcm_info should be released in codec->patch_ops.free
2971 * At least, substreams, channels_min and channels_max must be filled for
2972 * each stream. substreams = 0 indicates that the stream doesn't exist.
2973 * When rates and/or formats are zero, the supported values are queried
2974 * from the given nid. The nid is used also by the default ops.prepare
2975 * and ops.cleanup callbacks.
2977 * The driver needs to call ops.open in its open callback. Similarly,
2978 * ops.close is supposed to be called in the close callback.
2979 * ops.prepare should be called in the prepare or hw_params callback
2980 * with the proper parameters for set up.
2981 * ops.cleanup should be called in hw_free for clean up of streams.
2983 * This function returns 0 if successfull, or a negative error code.
2985 int __devinit snd_hda_build_pcms(struct hda_bus *bus)
2987 struct hda_codec *codec;
2989 list_for_each_entry(codec, &bus->codec_list, list) {
2990 int err = snd_hda_codec_build_pcms(codec);
2996 EXPORT_SYMBOL_HDA(snd_hda_build_pcms);
2999 * snd_hda_check_board_config - compare the current codec with the config table
3000 * @codec: the HDA codec
3001 * @num_configs: number of config enums
3002 * @models: array of model name strings
3003 * @tbl: configuration table, terminated by null entries
3005 * Compares the modelname or PCI subsystem id of the current codec with the
3006 * given configuration table. If a matching entry is found, returns its
3007 * config value (supposed to be 0 or positive).
3009 * If no entries are matching, the function returns a negative value.
3011 int snd_hda_check_board_config(struct hda_codec *codec,
3012 int num_configs, const char **models,
3013 const struct snd_pci_quirk *tbl)
3015 if (codec->modelname && models) {
3017 for (i = 0; i < num_configs; i++) {
3019 !strcmp(codec->modelname, models[i])) {
3020 snd_printd(KERN_INFO "hda_codec: model '%s' is "
3021 "selected\n", models[i]);
3027 if (!codec->bus->pci || !tbl)
3030 tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl);
3033 if (tbl->value >= 0 && tbl->value < num_configs) {
3034 #ifdef CONFIG_SND_DEBUG_VERBOSE
3036 const char *model = NULL;
3038 model = models[tbl->value];
3040 sprintf(tmp, "#%d", tbl->value);
3043 snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
3044 "for config %x:%x (%s)\n",
3045 model, tbl->subvendor, tbl->subdevice,
3046 (tbl->name ? tbl->name : "Unknown device"));
3052 EXPORT_SYMBOL_HDA(snd_hda_check_board_config);
3055 * snd_hda_check_board_codec_sid_config - compare the current codec
3056 subsystem ID with the
3059 This is important for Gateway notebooks with SB450 HDA Audio
3060 where the vendor ID of the PCI device is:
3061 ATI Technologies Inc SB450 HDA Audio [1002:437b]
3062 and the vendor/subvendor are found only at the codec.
3064 * @codec: the HDA codec
3065 * @num_configs: number of config enums
3066 * @models: array of model name strings
3067 * @tbl: configuration table, terminated by null entries
3069 * Compares the modelname or PCI subsystem id of the current codec with the
3070 * given configuration table. If a matching entry is found, returns its
3071 * config value (supposed to be 0 or positive).
3073 * If no entries are matching, the function returns a negative value.
3075 int snd_hda_check_board_codec_sid_config(struct hda_codec *codec,
3076 int num_configs, const char **models,
3077 const struct snd_pci_quirk *tbl)
3079 const struct snd_pci_quirk *q;
3081 /* Search for codec ID */
3082 for (q = tbl; q->subvendor; q++) {
3083 unsigned long vendorid = (q->subdevice) | (q->subvendor << 16);
3085 if (vendorid == codec->subsystem_id)
3094 if (tbl->value >= 0 && tbl->value < num_configs) {
3095 #ifdef CONFIG_SND_DEBUG_DETECT
3097 const char *model = NULL;
3099 model = models[tbl->value];
3101 sprintf(tmp, "#%d", tbl->value);
3104 snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
3105 "for config %x:%x (%s)\n",
3106 model, tbl->subvendor, tbl->subdevice,
3107 (tbl->name ? tbl->name : "Unknown device"));
3113 EXPORT_SYMBOL_HDA(snd_hda_check_board_codec_sid_config);
3116 * snd_hda_add_new_ctls - create controls from the array
3117 * @codec: the HDA codec
3118 * @knew: the array of struct snd_kcontrol_new
3120 * This helper function creates and add new controls in the given array.
3121 * The array must be terminated with an empty entry as terminator.
3123 * Returns 0 if successful, or a negative error code.
3125 int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
3129 for (; knew->name; knew++) {
3130 struct snd_kcontrol *kctl;
3131 kctl = snd_ctl_new1(knew, codec);
3134 err = snd_hda_ctl_add(codec, kctl);
3138 kctl = snd_ctl_new1(knew, codec);
3141 kctl->id.device = codec->addr;
3142 err = snd_hda_ctl_add(codec, kctl);
3149 EXPORT_SYMBOL_HDA(snd_hda_add_new_ctls);
3151 #ifdef CONFIG_SND_HDA_POWER_SAVE
3152 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
3153 unsigned int power_state);
3155 static void hda_power_work(struct work_struct *work)
3157 struct hda_codec *codec =
3158 container_of(work, struct hda_codec, power_work.work);
3159 struct hda_bus *bus = codec->bus;
3161 if (!codec->power_on || codec->power_count) {
3162 codec->power_transition = 0;
3166 hda_call_codec_suspend(codec);
3167 if (bus->ops.pm_notify)
3168 bus->ops.pm_notify(bus);
3171 static void hda_keep_power_on(struct hda_codec *codec)
3173 codec->power_count++;
3174 codec->power_on = 1;
3177 void snd_hda_power_up(struct hda_codec *codec)
3179 struct hda_bus *bus = codec->bus;
3181 codec->power_count++;
3182 if (codec->power_on || codec->power_transition)
3185 codec->power_on = 1;
3186 if (bus->ops.pm_notify)
3187 bus->ops.pm_notify(bus);
3188 hda_call_codec_resume(codec);
3189 cancel_delayed_work(&codec->power_work);
3190 codec->power_transition = 0;
3192 EXPORT_SYMBOL_HDA(snd_hda_power_up);
3194 #define power_save(codec) \
3195 ((codec)->bus->power_save ? *(codec)->bus->power_save : 0)
3197 #define power_save(codec) \
3198 ((codec)->bus->power_save ? *(codec)->bus->power_save : 0)
3200 void snd_hda_power_down(struct hda_codec *codec)
3202 --codec->power_count;
3203 if (!codec->power_on || codec->power_count || codec->power_transition)
3205 if (power_save(codec)) {
3206 codec->power_transition = 1; /* avoid reentrance */
3207 queue_delayed_work(codec->bus->workq, &codec->power_work,
3208 msecs_to_jiffies(power_save(codec) * 1000));
3211 EXPORT_SYMBOL_HDA(snd_hda_power_down);
3213 int snd_hda_check_amp_list_power(struct hda_codec *codec,
3214 struct hda_loopback_check *check,
3217 struct hda_amp_list *p;
3220 if (!check->amplist)
3222 for (p = check->amplist; p->nid; p++) {
3227 return 0; /* nothing changed */
3229 for (p = check->amplist; p->nid; p++) {
3230 for (ch = 0; ch < 2; ch++) {
3231 v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
3233 if (!(v & HDA_AMP_MUTE) && v > 0) {
3234 if (!check->power_on) {
3235 check->power_on = 1;
3236 snd_hda_power_up(codec);
3242 if (check->power_on) {
3243 check->power_on = 0;
3244 snd_hda_power_down(codec);
3248 EXPORT_SYMBOL_HDA(snd_hda_check_amp_list_power);
3252 * Channel mode helper
3254 int snd_hda_ch_mode_info(struct hda_codec *codec,
3255 struct snd_ctl_elem_info *uinfo,
3256 const struct hda_channel_mode *chmode,
3259 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
3261 uinfo->value.enumerated.items = num_chmodes;
3262 if (uinfo->value.enumerated.item >= num_chmodes)
3263 uinfo->value.enumerated.item = num_chmodes - 1;
3264 sprintf(uinfo->value.enumerated.name, "%dch",
3265 chmode[uinfo->value.enumerated.item].channels);
3268 EXPORT_SYMBOL_HDA(snd_hda_ch_mode_info);
3270 int snd_hda_ch_mode_get(struct hda_codec *codec,
3271 struct snd_ctl_elem_value *ucontrol,
3272 const struct hda_channel_mode *chmode,
3278 for (i = 0; i < num_chmodes; i++) {
3279 if (max_channels == chmode[i].channels) {
3280 ucontrol->value.enumerated.item[0] = i;
3286 EXPORT_SYMBOL_HDA(snd_hda_ch_mode_get);
3288 int snd_hda_ch_mode_put(struct hda_codec *codec,
3289 struct snd_ctl_elem_value *ucontrol,
3290 const struct hda_channel_mode *chmode,
3296 mode = ucontrol->value.enumerated.item[0];
3297 if (mode >= num_chmodes)
3299 if (*max_channelsp == chmode[mode].channels)
3301 /* change the current channel setting */
3302 *max_channelsp = chmode[mode].channels;
3303 if (chmode[mode].sequence)
3304 snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
3307 EXPORT_SYMBOL_HDA(snd_hda_ch_mode_put);
3312 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
3313 struct snd_ctl_elem_info *uinfo)
3317 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
3319 uinfo->value.enumerated.items = imux->num_items;
3320 if (!imux->num_items)
3322 index = uinfo->value.enumerated.item;
3323 if (index >= imux->num_items)
3324 index = imux->num_items - 1;
3325 strcpy(uinfo->value.enumerated.name, imux->items[index].label);
3328 EXPORT_SYMBOL_HDA(snd_hda_input_mux_info);
3330 int snd_hda_input_mux_put(struct hda_codec *codec,
3331 const struct hda_input_mux *imux,
3332 struct snd_ctl_elem_value *ucontrol,
3334 unsigned int *cur_val)
3338 if (!imux->num_items)
3340 idx = ucontrol->value.enumerated.item[0];
3341 if (idx >= imux->num_items)
3342 idx = imux->num_items - 1;
3343 if (*cur_val == idx)
3345 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
3346 imux->items[idx].index);
3350 EXPORT_SYMBOL_HDA(snd_hda_input_mux_put);
3354 * Multi-channel / digital-out PCM helper functions
3357 /* setup SPDIF output stream */
3358 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
3359 unsigned int stream_tag, unsigned int format)
3361 /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
3362 if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
3363 set_dig_out_convert(codec, nid,
3364 codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff,
3366 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
3367 if (codec->slave_dig_outs) {
3369 for (d = codec->slave_dig_outs; *d; d++)
3370 snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
3373 /* turn on again (if needed) */
3374 if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
3375 set_dig_out_convert(codec, nid,
3376 codec->spdif_ctls & 0xff, -1);
3379 static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
3381 snd_hda_codec_cleanup_stream(codec, nid);
3382 if (codec->slave_dig_outs) {
3384 for (d = codec->slave_dig_outs; *d; d++)
3385 snd_hda_codec_cleanup_stream(codec, *d);
3390 * open the digital out in the exclusive mode
3392 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
3393 struct hda_multi_out *mout)
3395 mutex_lock(&codec->spdif_mutex);
3396 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
3397 /* already opened as analog dup; reset it once */
3398 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3399 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
3400 mutex_unlock(&codec->spdif_mutex);
3403 EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_open);
3405 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
3406 struct hda_multi_out *mout,
3407 unsigned int stream_tag,
3408 unsigned int format,
3409 struct snd_pcm_substream *substream)
3411 mutex_lock(&codec->spdif_mutex);
3412 setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
3413 mutex_unlock(&codec->spdif_mutex);
3416 EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_prepare);
3418 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
3419 struct hda_multi_out *mout)
3421 mutex_lock(&codec->spdif_mutex);
3422 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3423 mutex_unlock(&codec->spdif_mutex);
3426 EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_cleanup);
3429 * release the digital out
3431 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
3432 struct hda_multi_out *mout)
3434 mutex_lock(&codec->spdif_mutex);
3435 mout->dig_out_used = 0;
3436 mutex_unlock(&codec->spdif_mutex);
3439 EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_close);
3442 * set up more restrictions for analog out
3444 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
3445 struct hda_multi_out *mout,
3446 struct snd_pcm_substream *substream,
3447 struct hda_pcm_stream *hinfo)
3449 struct snd_pcm_runtime *runtime = substream->runtime;
3450 runtime->hw.channels_max = mout->max_channels;
3451 if (mout->dig_out_nid) {
3452 if (!mout->analog_rates) {
3453 mout->analog_rates = hinfo->rates;
3454 mout->analog_formats = hinfo->formats;
3455 mout->analog_maxbps = hinfo->maxbps;
3457 runtime->hw.rates = mout->analog_rates;
3458 runtime->hw.formats = mout->analog_formats;
3459 hinfo->maxbps = mout->analog_maxbps;
3461 if (!mout->spdif_rates) {
3462 snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
3464 &mout->spdif_formats,
3465 &mout->spdif_maxbps);
3467 mutex_lock(&codec->spdif_mutex);
3468 if (mout->share_spdif) {
3469 runtime->hw.rates &= mout->spdif_rates;
3470 runtime->hw.formats &= mout->spdif_formats;
3471 if (mout->spdif_maxbps < hinfo->maxbps)
3472 hinfo->maxbps = mout->spdif_maxbps;
3474 mutex_unlock(&codec->spdif_mutex);
3476 return snd_pcm_hw_constraint_step(substream->runtime, 0,
3477 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
3479 EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_open);
3482 * set up the i/o for analog out
3483 * when the digital out is available, copy the front out to digital out, too.
3485 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
3486 struct hda_multi_out *mout,
3487 unsigned int stream_tag,
3488 unsigned int format,
3489 struct snd_pcm_substream *substream)
3491 hda_nid_t *nids = mout->dac_nids;
3492 int chs = substream->runtime->channels;
3495 mutex_lock(&codec->spdif_mutex);
3496 if (mout->dig_out_nid && mout->share_spdif &&
3497 mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
3499 snd_hda_is_supported_format(codec, mout->dig_out_nid,
3501 !(codec->spdif_status & IEC958_AES0_NONAUDIO)) {
3502 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
3503 setup_dig_out_stream(codec, mout->dig_out_nid,
3504 stream_tag, format);
3506 mout->dig_out_used = 0;
3507 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3510 mutex_unlock(&codec->spdif_mutex);
3513 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
3515 if (!mout->no_share_stream &&
3516 mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
3517 /* headphone out will just decode front left/right (stereo) */
3518 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
3520 /* extra outputs copied from front */
3521 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
3522 if (!mout->no_share_stream && mout->extra_out_nid[i])
3523 snd_hda_codec_setup_stream(codec,
3524 mout->extra_out_nid[i],
3525 stream_tag, 0, format);
3528 for (i = 1; i < mout->num_dacs; i++) {
3529 if (chs >= (i + 1) * 2) /* independent out */
3530 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3532 else if (!mout->no_share_stream) /* copy front */
3533 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3538 EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_prepare);
3541 * clean up the setting for analog out
3543 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
3544 struct hda_multi_out *mout)
3546 hda_nid_t *nids = mout->dac_nids;
3549 for (i = 0; i < mout->num_dacs; i++)
3550 snd_hda_codec_cleanup_stream(codec, nids[i]);
3552 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
3553 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
3554 if (mout->extra_out_nid[i])
3555 snd_hda_codec_cleanup_stream(codec,
3556 mout->extra_out_nid[i]);
3557 mutex_lock(&codec->spdif_mutex);
3558 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
3559 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3560 mout->dig_out_used = 0;
3562 mutex_unlock(&codec->spdif_mutex);
3565 EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_cleanup);
3568 * Helper for automatic pin configuration
3571 static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list)
3573 for (; *list; list++)
3581 * Sort an associated group of pins according to their sequence numbers.
3583 static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences,
3590 for (i = 0; i < num_pins; i++) {
3591 for (j = i + 1; j < num_pins; j++) {
3592 if (sequences[i] > sequences[j]) {
3594 sequences[i] = sequences[j];
3606 * Parse all pin widgets and store the useful pin nids to cfg
3608 * The number of line-outs or any primary output is stored in line_outs,
3609 * and the corresponding output pins are assigned to line_out_pins[],
3610 * in the order of front, rear, CLFE, side, ...
3612 * If more extra outputs (speaker and headphone) are found, the pins are
3613 * assisnged to hp_pins[] and speaker_pins[], respectively. If no line-out jack
3614 * is detected, one of speaker of HP pins is assigned as the primary
3615 * output, i.e. to line_out_pins[0]. So, line_outs is always positive
3616 * if any analog output exists.
3618 * The analog input pins are assigned to input_pins array.
3619 * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
3622 int snd_hda_parse_pin_def_config(struct hda_codec *codec,
3623 struct auto_pin_cfg *cfg,
3624 hda_nid_t *ignore_nids)
3626 hda_nid_t nid, end_nid;
3627 short seq, assoc_line_out, assoc_speaker;
3628 short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)];
3629 short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)];
3630 short sequences_hp[ARRAY_SIZE(cfg->hp_pins)];
3632 memset(cfg, 0, sizeof(*cfg));
3634 memset(sequences_line_out, 0, sizeof(sequences_line_out));
3635 memset(sequences_speaker, 0, sizeof(sequences_speaker));
3636 memset(sequences_hp, 0, sizeof(sequences_hp));
3637 assoc_line_out = assoc_speaker = 0;
3639 end_nid = codec->start_nid + codec->num_nodes;
3640 for (nid = codec->start_nid; nid < end_nid; nid++) {
3641 unsigned int wid_caps = get_wcaps(codec, nid);
3642 unsigned int wid_type =
3643 (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
3644 unsigned int def_conf;
3647 /* read all default configuration for pin complex */
3648 if (wid_type != AC_WID_PIN)
3650 /* ignore the given nids (e.g. pc-beep returns error) */
3651 if (ignore_nids && is_in_nid_list(nid, ignore_nids))
3654 def_conf = snd_hda_codec_get_pincfg(codec, nid);
3655 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
3657 loc = get_defcfg_location(def_conf);
3658 switch (get_defcfg_device(def_conf)) {
3659 case AC_JACK_LINE_OUT:
3660 seq = get_defcfg_sequence(def_conf);
3661 assoc = get_defcfg_association(def_conf);
3663 if (!(wid_caps & AC_WCAP_STEREO))
3664 if (!cfg->mono_out_pin)
3665 cfg->mono_out_pin = nid;
3668 if (!assoc_line_out)
3669 assoc_line_out = assoc;
3670 else if (assoc_line_out != assoc)
3672 if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
3674 cfg->line_out_pins[cfg->line_outs] = nid;
3675 sequences_line_out[cfg->line_outs] = seq;
3678 case AC_JACK_SPEAKER:
3679 seq = get_defcfg_sequence(def_conf);
3680 assoc = get_defcfg_association(def_conf);
3683 if (! assoc_speaker)
3684 assoc_speaker = assoc;
3685 else if (assoc_speaker != assoc)
3687 if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
3689 cfg->speaker_pins[cfg->speaker_outs] = nid;
3690 sequences_speaker[cfg->speaker_outs] = seq;
3691 cfg->speaker_outs++;
3693 case AC_JACK_HP_OUT:
3694 seq = get_defcfg_sequence(def_conf);
3695 assoc = get_defcfg_association(def_conf);
3696 if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
3698 cfg->hp_pins[cfg->hp_outs] = nid;
3699 sequences_hp[cfg->hp_outs] = (assoc << 4) | seq;
3702 case AC_JACK_MIC_IN: {
3704 if (loc == AC_JACK_LOC_FRONT) {
3705 preferred = AUTO_PIN_FRONT_MIC;
3708 preferred = AUTO_PIN_MIC;
3709 alt = AUTO_PIN_FRONT_MIC;
3711 if (!cfg->input_pins[preferred])
3712 cfg->input_pins[preferred] = nid;
3713 else if (!cfg->input_pins[alt])
3714 cfg->input_pins[alt] = nid;
3717 case AC_JACK_LINE_IN:
3718 if (loc == AC_JACK_LOC_FRONT)
3719 cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
3721 cfg->input_pins[AUTO_PIN_LINE] = nid;
3724 cfg->input_pins[AUTO_PIN_CD] = nid;
3727 cfg->input_pins[AUTO_PIN_AUX] = nid;
3729 case AC_JACK_SPDIF_OUT:
3730 case AC_JACK_DIG_OTHER_OUT:
3731 if (cfg->dig_outs >= ARRAY_SIZE(cfg->dig_out_pins))
3733 cfg->dig_out_pins[cfg->dig_outs] = nid;
3734 cfg->dig_out_type[cfg->dig_outs] =
3735 (loc == AC_JACK_LOC_HDMI) ?
3736 HDA_PCM_TYPE_HDMI : HDA_PCM_TYPE_SPDIF;
3739 case AC_JACK_SPDIF_IN:
3740 case AC_JACK_DIG_OTHER_IN:
3741 cfg->dig_in_pin = nid;
3742 if (loc == AC_JACK_LOC_HDMI)
3743 cfg->dig_in_type = HDA_PCM_TYPE_HDMI;
3745 cfg->dig_in_type = HDA_PCM_TYPE_SPDIF;
3751 * If no line-out is defined but multiple HPs are found,
3752 * some of them might be the real line-outs.
3754 if (!cfg->line_outs && cfg->hp_outs > 1) {
3756 while (i < cfg->hp_outs) {
3757 /* The real HPs should have the sequence 0x0f */
3758 if ((sequences_hp[i] & 0x0f) == 0x0f) {
3762 /* Move it to the line-out table */
3763 cfg->line_out_pins[cfg->line_outs] = cfg->hp_pins[i];
3764 sequences_line_out[cfg->line_outs] = sequences_hp[i];
3767 memmove(cfg->hp_pins + i, cfg->hp_pins + i + 1,
3768 sizeof(cfg->hp_pins[0]) * (cfg->hp_outs - i));
3769 memmove(sequences_hp + i - 1, sequences_hp + i,
3770 sizeof(sequences_hp[0]) * (cfg->hp_outs - i));
3774 /* sort by sequence */
3775 sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out,
3777 sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker,
3779 sort_pins_by_sequence(cfg->hp_pins, sequences_hp,
3782 /* if we have only one mic, make it AUTO_PIN_MIC */
3783 if (!cfg->input_pins[AUTO_PIN_MIC] &&
3784 cfg->input_pins[AUTO_PIN_FRONT_MIC]) {
3785 cfg->input_pins[AUTO_PIN_MIC] =
3786 cfg->input_pins[AUTO_PIN_FRONT_MIC];
3787 cfg->input_pins[AUTO_PIN_FRONT_MIC] = 0;
3789 /* ditto for line-in */
3790 if (!cfg->input_pins[AUTO_PIN_LINE] &&
3791 cfg->input_pins[AUTO_PIN_FRONT_LINE]) {
3792 cfg->input_pins[AUTO_PIN_LINE] =
3793 cfg->input_pins[AUTO_PIN_FRONT_LINE];
3794 cfg->input_pins[AUTO_PIN_FRONT_LINE] = 0;
3798 * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
3799 * as a primary output
3801 if (!cfg->line_outs) {
3802 if (cfg->speaker_outs) {
3803 cfg->line_outs = cfg->speaker_outs;
3804 memcpy(cfg->line_out_pins, cfg->speaker_pins,
3805 sizeof(cfg->speaker_pins));
3806 cfg->speaker_outs = 0;
3807 memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
3808 cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
3809 } else if (cfg->hp_outs) {
3810 cfg->line_outs = cfg->hp_outs;
3811 memcpy(cfg->line_out_pins, cfg->hp_pins,
3812 sizeof(cfg->hp_pins));
3814 memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
3815 cfg->line_out_type = AUTO_PIN_HP_OUT;
3819 /* Reorder the surround channels
3820 * ALSA sequence is front/surr/clfe/side
3822 * 4-ch: front/surr => OK as it is
3823 * 6-ch: front/clfe/surr
3824 * 8-ch: front/clfe/rear/side|fc
3826 switch (cfg->line_outs) {
3829 nid = cfg->line_out_pins[1];
3830 cfg->line_out_pins[1] = cfg->line_out_pins[2];
3831 cfg->line_out_pins[2] = nid;
3836 * debug prints of the parsed results
3838 snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3839 cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
3840 cfg->line_out_pins[2], cfg->line_out_pins[3],
3841 cfg->line_out_pins[4]);
3842 snd_printd(" speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3843 cfg->speaker_outs, cfg->speaker_pins[0],
3844 cfg->speaker_pins[1], cfg->speaker_pins[2],
3845 cfg->speaker_pins[3], cfg->speaker_pins[4]);
3846 snd_printd(" hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3847 cfg->hp_outs, cfg->hp_pins[0],
3848 cfg->hp_pins[1], cfg->hp_pins[2],
3849 cfg->hp_pins[3], cfg->hp_pins[4]);
3850 snd_printd(" mono: mono_out=0x%x\n", cfg->mono_out_pin);
3852 snd_printd(" dig-out=0x%x/0x%x\n",
3853 cfg->dig_out_pins[0], cfg->dig_out_pins[1]);
3854 snd_printd(" inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
3855 " cd=0x%x, aux=0x%x\n",
3856 cfg->input_pins[AUTO_PIN_MIC],
3857 cfg->input_pins[AUTO_PIN_FRONT_MIC],
3858 cfg->input_pins[AUTO_PIN_LINE],
3859 cfg->input_pins[AUTO_PIN_FRONT_LINE],
3860 cfg->input_pins[AUTO_PIN_CD],
3861 cfg->input_pins[AUTO_PIN_AUX]);
3862 if (cfg->dig_in_pin)
3863 snd_printd(" dig-in=0x%x\n", cfg->dig_in_pin);
3867 EXPORT_SYMBOL_HDA(snd_hda_parse_pin_def_config);
3869 /* labels for input pins */
3870 const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
3871 "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
3873 EXPORT_SYMBOL_HDA(auto_pin_cfg_labels);
3882 * snd_hda_suspend - suspend the codecs
3885 * Returns 0 if successful.
3887 int snd_hda_suspend(struct hda_bus *bus)
3889 struct hda_codec *codec;
3891 list_for_each_entry(codec, &bus->codec_list, list) {
3892 #ifdef CONFIG_SND_HDA_POWER_SAVE
3893 if (!codec->power_on)
3896 hda_call_codec_suspend(codec);
3900 EXPORT_SYMBOL_HDA(snd_hda_suspend);
3903 * snd_hda_resume - resume the codecs
3906 * Returns 0 if successful.
3908 * This fucntion is defined only when POWER_SAVE isn't set.
3909 * In the power-save mode, the codec is resumed dynamically.
3911 int snd_hda_resume(struct hda_bus *bus)
3913 struct hda_codec *codec;
3915 list_for_each_entry(codec, &bus->codec_list, list) {
3916 if (snd_hda_codec_needs_resume(codec))
3917 hda_call_codec_resume(codec);
3921 EXPORT_SYMBOL_HDA(snd_hda_resume);
3922 #endif /* CONFIG_PM */
3928 /* get a new element from the given array
3929 * if it exceeds the pre-allocated array size, re-allocate the array
3931 void *snd_array_new(struct snd_array *array)
3933 if (array->used >= array->alloced) {
3934 int num = array->alloced + array->alloc_align;
3936 if (snd_BUG_ON(num >= 4096))
3938 nlist = kcalloc(num + 1, array->elem_size, GFP_KERNEL);
3942 memcpy(nlist, array->list,
3943 array->elem_size * array->alloced);
3946 array->list = nlist;
3947 array->alloced = num;
3949 return snd_array_elem(array, array->used++);
3951 EXPORT_SYMBOL_HDA(snd_array_new);
3953 /* free the given array elements */
3954 void snd_array_free(struct snd_array *array)
3961 EXPORT_SYMBOL_HDA(snd_array_free);
3964 * used by hda_proc.c and hda_eld.c
3966 void snd_print_pcm_rates(int pcm, char *buf, int buflen)
3968 static unsigned int rates[] = {
3969 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
3970 96000, 176400, 192000, 384000
3974 for (i = 0, j = 0; i < ARRAY_SIZE(rates); i++)
3976 j += snprintf(buf + j, buflen - j, " %d", rates[i]);
3978 buf[j] = '\0'; /* necessary when j == 0 */
3980 EXPORT_SYMBOL_HDA(snd_print_pcm_rates);
3982 void snd_print_pcm_bits(int pcm, char *buf, int buflen)
3984 static unsigned int bits[] = { 8, 16, 20, 24, 32 };
3987 for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++)
3988 if (pcm & (AC_SUPPCM_BITS_8 << i))
3989 j += snprintf(buf + j, buflen - j, " %d", bits[i]);
3991 buf[j] = '\0'; /* necessary when j == 0 */
3993 EXPORT_SYMBOL_HDA(snd_print_pcm_bits);
3995 MODULE_DESCRIPTION("HDA codec core");
3996 MODULE_LICENSE("GPL");