Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
[linux-2.6] / sound / pci / hda / hda_codec.c
1 /*
2  * Universal Interface for Intel High Definition Audio Codec
3  *
4  * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
5  *
6  *
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.
11  *
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.
16  *
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
20  */
21
22 #include <sound/driver.h>
23 #include <linux/init.h>
24 #include <linux/delay.h>
25 #include <linux/slab.h>
26 #include <linux/pci.h>
27 #include <linux/mutex.h>
28 #include <sound/core.h>
29 #include "hda_codec.h"
30 #include <sound/asoundef.h>
31 #include <sound/tlv.h>
32 #include <sound/initval.h>
33 #include "hda_local.h"
34
35
36 /*
37  * vendor / preset table
38  */
39
40 struct hda_vendor_id {
41         unsigned int id;
42         const char *name;
43 };
44
45 /* codec vendor labels */
46 static struct hda_vendor_id hda_vendor_ids[] = {
47         { 0x10ec, "Realtek" },
48         { 0x1057, "Motorola" },
49         { 0x1106, "VIA" },
50         { 0x11d4, "Analog Devices" },
51         { 0x13f6, "C-Media" },
52         { 0x14f1, "Conexant" },
53         { 0x434d, "C-Media" },
54         { 0x8384, "SigmaTel" },
55         {} /* terminator */
56 };
57
58 /* codec presets */
59 #include "hda_patch.h"
60
61
62 /**
63  * snd_hda_codec_read - send a command and get the response
64  * @codec: the HDA codec
65  * @nid: NID to send the command
66  * @direct: direct flag
67  * @verb: the verb to send
68  * @parm: the parameter for the verb
69  *
70  * Send a single command and read the corresponding response.
71  *
72  * Returns the obtained response value, or -1 for an error.
73  */
74 unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
75                                 int direct,
76                                 unsigned int verb, unsigned int parm)
77 {
78         unsigned int res;
79         mutex_lock(&codec->bus->cmd_mutex);
80         if (!codec->bus->ops.command(codec, nid, direct, verb, parm))
81                 res = codec->bus->ops.get_response(codec);
82         else
83                 res = (unsigned int)-1;
84         mutex_unlock(&codec->bus->cmd_mutex);
85         return res;
86 }
87
88 /**
89  * snd_hda_codec_write - send a single command without waiting for response
90  * @codec: the HDA codec
91  * @nid: NID to send the command
92  * @direct: direct flag
93  * @verb: the verb to send
94  * @parm: the parameter for the verb
95  *
96  * Send a single command without waiting for response.
97  *
98  * Returns 0 if successful, or a negative error code.
99  */
100 int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
101                          unsigned int verb, unsigned int parm)
102 {
103         int err;
104         mutex_lock(&codec->bus->cmd_mutex);
105         err = codec->bus->ops.command(codec, nid, direct, verb, parm);
106         mutex_unlock(&codec->bus->cmd_mutex);
107         return err;
108 }
109
110 /**
111  * snd_hda_sequence_write - sequence writes
112  * @codec: the HDA codec
113  * @seq: VERB array to send
114  *
115  * Send the commands sequentially from the given array.
116  * The array must be terminated with NID=0.
117  */
118 void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
119 {
120         for (; seq->nid; seq++)
121                 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
122 }
123
124 /**
125  * snd_hda_get_sub_nodes - get the range of sub nodes
126  * @codec: the HDA codec
127  * @nid: NID to parse
128  * @start_id: the pointer to store the start NID
129  *
130  * Parse the NID and store the start NID of its sub-nodes.
131  * Returns the number of sub-nodes.
132  */
133 int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
134                           hda_nid_t *start_id)
135 {
136         unsigned int parm;
137
138         parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
139         *start_id = (parm >> 16) & 0x7fff;
140         return (int)(parm & 0x7fff);
141 }
142
143 /**
144  * snd_hda_get_connections - get connection list
145  * @codec: the HDA codec
146  * @nid: NID to parse
147  * @conn_list: connection list array
148  * @max_conns: max. number of connections to store
149  *
150  * Parses the connection list of the given widget and stores the list
151  * of NIDs.
152  *
153  * Returns the number of connections, or a negative error code.
154  */
155 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
156                             hda_nid_t *conn_list, int max_conns)
157 {
158         unsigned int parm;
159         int i, conn_len, conns;
160         unsigned int shift, num_elems, mask;
161         hda_nid_t prev_nid;
162
163         snd_assert(conn_list && max_conns > 0, return -EINVAL);
164
165         parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN);
166         if (parm & AC_CLIST_LONG) {
167                 /* long form */
168                 shift = 16;
169                 num_elems = 2;
170         } else {
171                 /* short form */
172                 shift = 8;
173                 num_elems = 4;
174         }
175         conn_len = parm & AC_CLIST_LENGTH;
176         mask = (1 << (shift-1)) - 1;
177
178         if (!conn_len)
179                 return 0; /* no connection */
180
181         if (conn_len == 1) {
182                 /* single connection */
183                 parm = snd_hda_codec_read(codec, nid, 0,
184                                           AC_VERB_GET_CONNECT_LIST, 0);
185                 conn_list[0] = parm & mask;
186                 return 1;
187         }
188
189         /* multi connection */
190         conns = 0;
191         prev_nid = 0;
192         for (i = 0; i < conn_len; i++) {
193                 int range_val;
194                 hda_nid_t val, n;
195
196                 if (i % num_elems == 0)
197                         parm = snd_hda_codec_read(codec, nid, 0,
198                                                   AC_VERB_GET_CONNECT_LIST, i);
199                 range_val = !!(parm & (1 << (shift-1))); /* ranges */
200                 val = parm & mask;
201                 parm >>= shift;
202                 if (range_val) {
203                         /* ranges between the previous and this one */
204                         if (!prev_nid || prev_nid >= val) {
205                                 snd_printk(KERN_WARNING "hda_codec: "
206                                            "invalid dep_range_val %x:%x\n",
207                                            prev_nid, val);
208                                 continue;
209                         }
210                         for (n = prev_nid + 1; n <= val; n++) {
211                                 if (conns >= max_conns) {
212                                         snd_printk(KERN_ERR
213                                                    "Too many connections\n");
214                                         return -EINVAL;
215                                 }
216                                 conn_list[conns++] = n;
217                         }
218                 } else {
219                         if (conns >= max_conns) {
220                                 snd_printk(KERN_ERR "Too many connections\n");
221                                 return -EINVAL;
222                         }
223                         conn_list[conns++] = val;
224                 }
225                 prev_nid = val;
226         }
227         return conns;
228 }
229
230
231 /**
232  * snd_hda_queue_unsol_event - add an unsolicited event to queue
233  * @bus: the BUS
234  * @res: unsolicited event (lower 32bit of RIRB entry)
235  * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
236  *
237  * Adds the given event to the queue.  The events are processed in
238  * the workqueue asynchronously.  Call this function in the interrupt
239  * hanlder when RIRB receives an unsolicited event.
240  *
241  * Returns 0 if successful, or a negative error code.
242  */
243 int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
244 {
245         struct hda_bus_unsolicited *unsol;
246         unsigned int wp;
247
248         unsol = bus->unsol;
249         if (!unsol)
250                 return 0;
251
252         wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
253         unsol->wp = wp;
254
255         wp <<= 1;
256         unsol->queue[wp] = res;
257         unsol->queue[wp + 1] = res_ex;
258
259         schedule_work(&unsol->work);
260
261         return 0;
262 }
263
264 /*
265  * process queueud unsolicited events
266  */
267 static void process_unsol_events(struct work_struct *work)
268 {
269         struct hda_bus_unsolicited *unsol =
270                 container_of(work, struct hda_bus_unsolicited, work);
271         struct hda_bus *bus = unsol->bus;
272         struct hda_codec *codec;
273         unsigned int rp, caddr, res;
274
275         while (unsol->rp != unsol->wp) {
276                 rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE;
277                 unsol->rp = rp;
278                 rp <<= 1;
279                 res = unsol->queue[rp];
280                 caddr = unsol->queue[rp + 1];
281                 if (!(caddr & (1 << 4))) /* no unsolicited event? */
282                         continue;
283                 codec = bus->caddr_tbl[caddr & 0x0f];
284                 if (codec && codec->patch_ops.unsol_event)
285                         codec->patch_ops.unsol_event(codec, res);
286         }
287 }
288
289 /*
290  * initialize unsolicited queue
291  */
292 static int __devinit init_unsol_queue(struct hda_bus *bus)
293 {
294         struct hda_bus_unsolicited *unsol;
295
296         if (bus->unsol) /* already initialized */
297                 return 0;
298
299         unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
300         if (!unsol) {
301                 snd_printk(KERN_ERR "hda_codec: "
302                            "can't allocate unsolicited queue\n");
303                 return -ENOMEM;
304         }
305         INIT_WORK(&unsol->work, process_unsol_events);
306         unsol->bus = bus;
307         bus->unsol = unsol;
308         return 0;
309 }
310
311 /*
312  * destructor
313  */
314 static void snd_hda_codec_free(struct hda_codec *codec);
315
316 static int snd_hda_bus_free(struct hda_bus *bus)
317 {
318         struct hda_codec *codec, *n;
319
320         if (!bus)
321                 return 0;
322         if (bus->unsol) {
323                 flush_scheduled_work();
324                 kfree(bus->unsol);
325         }
326         list_for_each_entry_safe(codec, n, &bus->codec_list, list) {
327                 snd_hda_codec_free(codec);
328         }
329         if (bus->ops.private_free)
330                 bus->ops.private_free(bus);
331         kfree(bus);
332         return 0;
333 }
334
335 static int snd_hda_bus_dev_free(struct snd_device *device)
336 {
337         struct hda_bus *bus = device->device_data;
338         return snd_hda_bus_free(bus);
339 }
340
341 /**
342  * snd_hda_bus_new - create a HDA bus
343  * @card: the card entry
344  * @temp: the template for hda_bus information
345  * @busp: the pointer to store the created bus instance
346  *
347  * Returns 0 if successful, or a negative error code.
348  */
349 int __devinit snd_hda_bus_new(struct snd_card *card,
350                               const struct hda_bus_template *temp,
351                               struct hda_bus **busp)
352 {
353         struct hda_bus *bus;
354         int err;
355         static struct snd_device_ops dev_ops = {
356                 .dev_free = snd_hda_bus_dev_free,
357         };
358
359         snd_assert(temp, return -EINVAL);
360         snd_assert(temp->ops.command && temp->ops.get_response, return -EINVAL);
361
362         if (busp)
363                 *busp = NULL;
364
365         bus = kzalloc(sizeof(*bus), GFP_KERNEL);
366         if (bus == NULL) {
367                 snd_printk(KERN_ERR "can't allocate struct hda_bus\n");
368                 return -ENOMEM;
369         }
370
371         bus->card = card;
372         bus->private_data = temp->private_data;
373         bus->pci = temp->pci;
374         bus->modelname = temp->modelname;
375         bus->ops = temp->ops;
376
377         mutex_init(&bus->cmd_mutex);
378         INIT_LIST_HEAD(&bus->codec_list);
379
380         err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
381         if (err < 0) {
382                 snd_hda_bus_free(bus);
383                 return err;
384         }
385         if (busp)
386                 *busp = bus;
387         return 0;
388 }
389
390 /*
391  * find a matching codec preset
392  */
393 static const struct hda_codec_preset __devinit *
394 find_codec_preset(struct hda_codec *codec)
395 {
396         const struct hda_codec_preset **tbl, *preset;
397
398         if (codec->bus->modelname && !strcmp(codec->bus->modelname, "generic"))
399                 return NULL; /* use the generic parser */
400
401         for (tbl = hda_preset_tables; *tbl; tbl++) {
402                 for (preset = *tbl; preset->id; preset++) {
403                         u32 mask = preset->mask;
404                         if (!mask)
405                                 mask = ~0;
406                         if (preset->id == (codec->vendor_id & mask) &&
407                             (!preset->rev ||
408                              preset->rev == codec->revision_id))
409                                 return preset;
410                 }
411         }
412         return NULL;
413 }
414
415 /*
416  * snd_hda_get_codec_name - store the codec name
417  */
418 void snd_hda_get_codec_name(struct hda_codec *codec,
419                             char *name, int namelen)
420 {
421         const struct hda_vendor_id *c;
422         const char *vendor = NULL;
423         u16 vendor_id = codec->vendor_id >> 16;
424         char tmp[16];
425
426         for (c = hda_vendor_ids; c->id; c++) {
427                 if (c->id == vendor_id) {
428                         vendor = c->name;
429                         break;
430                 }
431         }
432         if (!vendor) {
433                 sprintf(tmp, "Generic %04x", vendor_id);
434                 vendor = tmp;
435         }
436         if (codec->preset && codec->preset->name)
437                 snprintf(name, namelen, "%s %s", vendor, codec->preset->name);
438         else
439                 snprintf(name, namelen, "%s ID %x", vendor,
440                          codec->vendor_id & 0xffff);
441 }
442
443 /*
444  * look for an AFG and MFG nodes
445  */
446 static void __devinit setup_fg_nodes(struct hda_codec *codec)
447 {
448         int i, total_nodes;
449         hda_nid_t nid;
450
451         total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
452         for (i = 0; i < total_nodes; i++, nid++) {
453                 unsigned int func;
454                 func = snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE);
455                 switch (func & 0xff) {
456                 case AC_GRP_AUDIO_FUNCTION:
457                         codec->afg = nid;
458                         break;
459                 case AC_GRP_MODEM_FUNCTION:
460                         codec->mfg = nid;
461                         break;
462                 default:
463                         break;
464                 }
465         }
466 }
467
468 /*
469  * read widget caps for each widget and store in cache
470  */
471 static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
472 {
473         int i;
474         hda_nid_t nid;
475
476         codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node,
477                                                  &codec->start_nid);
478         codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL);
479         if (!codec->wcaps)
480                 return -ENOMEM;
481         nid = codec->start_nid;
482         for (i = 0; i < codec->num_nodes; i++, nid++)
483                 codec->wcaps[i] = snd_hda_param_read(codec, nid,
484                                                      AC_PAR_AUDIO_WIDGET_CAP);
485         return 0;
486 }
487
488
489 /*
490  * codec destructor
491  */
492 static void snd_hda_codec_free(struct hda_codec *codec)
493 {
494         if (!codec)
495                 return;
496         list_del(&codec->list);
497         codec->bus->caddr_tbl[codec->addr] = NULL;
498         if (codec->patch_ops.free)
499                 codec->patch_ops.free(codec);
500         kfree(codec->amp_info);
501         kfree(codec->wcaps);
502         kfree(codec);
503 }
504
505 static void init_amp_hash(struct hda_codec *codec);
506
507 /**
508  * snd_hda_codec_new - create a HDA codec
509  * @bus: the bus to assign
510  * @codec_addr: the codec address
511  * @codecp: the pointer to store the generated codec
512  *
513  * Returns 0 if successful, or a negative error code.
514  */
515 int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
516                                 struct hda_codec **codecp)
517 {
518         struct hda_codec *codec;
519         char component[13];
520         int err;
521
522         snd_assert(bus, return -EINVAL);
523         snd_assert(codec_addr <= HDA_MAX_CODEC_ADDRESS, return -EINVAL);
524
525         if (bus->caddr_tbl[codec_addr]) {
526                 snd_printk(KERN_ERR "hda_codec: "
527                            "address 0x%x is already occupied\n", codec_addr);
528                 return -EBUSY;
529         }
530
531         codec = kzalloc(sizeof(*codec), GFP_KERNEL);
532         if (codec == NULL) {
533                 snd_printk(KERN_ERR "can't allocate struct hda_codec\n");
534                 return -ENOMEM;
535         }
536
537         codec->bus = bus;
538         codec->addr = codec_addr;
539         mutex_init(&codec->spdif_mutex);
540         init_amp_hash(codec);
541
542         list_add_tail(&codec->list, &bus->codec_list);
543         bus->caddr_tbl[codec_addr] = codec;
544
545         codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
546                                               AC_PAR_VENDOR_ID);
547         if (codec->vendor_id == -1)
548                 /* read again, hopefully the access method was corrected
549                  * in the last read...
550                  */
551                 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
552                                                       AC_PAR_VENDOR_ID);
553         codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT,
554                                                  AC_PAR_SUBSYSTEM_ID);
555         codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT,
556                                                 AC_PAR_REV_ID);
557
558         setup_fg_nodes(codec);
559         if (!codec->afg && !codec->mfg) {
560                 snd_printdd("hda_codec: no AFG or MFG node found\n");
561                 snd_hda_codec_free(codec);
562                 return -ENODEV;
563         }
564
565         if (read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg) < 0) {
566                 snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
567                 snd_hda_codec_free(codec);
568                 return -ENOMEM;
569         }
570
571         if (!codec->subsystem_id) {
572                 hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
573                 codec->subsystem_id =
574                         snd_hda_codec_read(codec, nid, 0,
575                                            AC_VERB_GET_SUBSYSTEM_ID, 0);
576         }
577
578         codec->preset = find_codec_preset(codec);
579         /* audio codec should override the mixer name */
580         if (codec->afg || !*bus->card->mixername)
581                 snd_hda_get_codec_name(codec, bus->card->mixername,
582                                        sizeof(bus->card->mixername));
583
584         if (codec->preset && codec->preset->patch)
585                 err = codec->preset->patch(codec);
586         else
587                 err = snd_hda_parse_generic_codec(codec);
588         if (err < 0) {
589                 snd_hda_codec_free(codec);
590                 return err;
591         }
592
593         if (codec->patch_ops.unsol_event)
594                 init_unsol_queue(bus);
595
596         snd_hda_codec_proc_new(codec);
597
598         sprintf(component, "HDA:%08x", codec->vendor_id);
599         snd_component_add(codec->bus->card, component);
600
601         if (codecp)
602                 *codecp = codec;
603         return 0;
604 }
605
606 /**
607  * snd_hda_codec_setup_stream - set up the codec for streaming
608  * @codec: the CODEC to set up
609  * @nid: the NID to set up
610  * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
611  * @channel_id: channel id to pass, zero based.
612  * @format: stream format.
613  */
614 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
615                                 u32 stream_tag,
616                                 int channel_id, int format)
617 {
618         if (!nid)
619                 return;
620
621         snd_printdd("hda_codec_setup_stream: "
622                     "NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
623                     nid, stream_tag, channel_id, format);
624         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID,
625                             (stream_tag << 4) | channel_id);
626         msleep(1);
627         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
628 }
629
630 /*
631  * amp access functions
632  */
633
634 /* FIXME: more better hash key? */
635 #define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
636 #define INFO_AMP_CAPS   (1<<0)
637 #define INFO_AMP_VOL(ch)        (1 << (1 + (ch)))
638
639 /* initialize the hash table */
640 static void __devinit init_amp_hash(struct hda_codec *codec)
641 {
642         memset(codec->amp_hash, 0xff, sizeof(codec->amp_hash));
643         codec->num_amp_entries = 0;
644         codec->amp_info_size = 0;
645         codec->amp_info = NULL;
646 }
647
648 /* query the hash.  allocate an entry if not found. */
649 static struct hda_amp_info *get_alloc_amp_hash(struct hda_codec *codec, u32 key)
650 {
651         u16 idx = key % (u16)ARRAY_SIZE(codec->amp_hash);
652         u16 cur = codec->amp_hash[idx];
653         struct hda_amp_info *info;
654
655         while (cur != 0xffff) {
656                 info = &codec->amp_info[cur];
657                 if (info->key == key)
658                         return info;
659                 cur = info->next;
660         }
661
662         /* add a new hash entry */
663         if (codec->num_amp_entries >= codec->amp_info_size) {
664                 /* reallocate the array */
665                 int new_size = codec->amp_info_size + 64;
666                 struct hda_amp_info *new_info;
667                 new_info = kcalloc(new_size, sizeof(struct hda_amp_info),
668                                    GFP_KERNEL);
669                 if (!new_info) {
670                         snd_printk(KERN_ERR "hda_codec: "
671                                    "can't malloc amp_info\n");
672                         return NULL;
673                 }
674                 if (codec->amp_info) {
675                         memcpy(new_info, codec->amp_info,
676                                codec->amp_info_size *
677                                sizeof(struct hda_amp_info));
678                         kfree(codec->amp_info);
679                 }
680                 codec->amp_info_size = new_size;
681                 codec->amp_info = new_info;
682         }
683         cur = codec->num_amp_entries++;
684         info = &codec->amp_info[cur];
685         info->key = key;
686         info->status = 0; /* not initialized yet */
687         info->next = codec->amp_hash[idx];
688         codec->amp_hash[idx] = cur;
689
690         return info;
691 }
692
693 /*
694  * query AMP capabilities for the given widget and direction
695  */
696 static u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
697 {
698         struct hda_amp_info *info;
699
700         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0));
701         if (!info)
702                 return 0;
703         if (!(info->status & INFO_AMP_CAPS)) {
704                 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
705                         nid = codec->afg;
706                 info->amp_caps = snd_hda_param_read(codec, nid,
707                                                     direction == HDA_OUTPUT ?
708                                                     AC_PAR_AMP_OUT_CAP :
709                                                     AC_PAR_AMP_IN_CAP);
710                 if (info->amp_caps)
711                         info->status |= INFO_AMP_CAPS;
712         }
713         return info->amp_caps;
714 }
715
716 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
717                               unsigned int caps)
718 {
719         struct hda_amp_info *info;
720
721         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, dir, 0));
722         if (!info)
723                 return -EINVAL;
724         info->amp_caps = caps;
725         info->status |= INFO_AMP_CAPS;
726         return 0;
727 }
728
729 /*
730  * read the current volume to info
731  * if the cache exists, read the cache value.
732  */
733 static unsigned int get_vol_mute(struct hda_codec *codec,
734                                  struct hda_amp_info *info, hda_nid_t nid,
735                                  int ch, int direction, int index)
736 {
737         u32 val, parm;
738
739         if (info->status & INFO_AMP_VOL(ch))
740                 return info->vol[ch];
741
742         parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
743         parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
744         parm |= index;
745         val = snd_hda_codec_read(codec, nid, 0,
746                                  AC_VERB_GET_AMP_GAIN_MUTE, parm);
747         info->vol[ch] = val & 0xff;
748         info->status |= INFO_AMP_VOL(ch);
749         return info->vol[ch];
750 }
751
752 /*
753  * write the current volume in info to the h/w and update the cache
754  */
755 static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
756                          hda_nid_t nid, int ch, int direction, int index,
757                          int val)
758 {
759         u32 parm;
760
761         parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
762         parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
763         parm |= index << AC_AMP_SET_INDEX_SHIFT;
764         parm |= val;
765         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
766         info->vol[ch] = val;
767 }
768
769 /*
770  * read AMP value.  The volume is between 0 to 0x7f, 0x80 = mute bit.
771  */
772 int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
773                            int direction, int index)
774 {
775         struct hda_amp_info *info;
776         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
777         if (!info)
778                 return 0;
779         return get_vol_mute(codec, info, nid, ch, direction, index);
780 }
781
782 /*
783  * update the AMP value, mask = bit mask to set, val = the value
784  */
785 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
786                              int direction, int idx, int mask, int val)
787 {
788         struct hda_amp_info *info;
789
790         info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx));
791         if (!info)
792                 return 0;
793         val &= mask;
794         val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask;
795         if (info->vol[ch] == val && !codec->in_resume)
796                 return 0;
797         put_vol_mute(codec, info, nid, ch, direction, idx, val);
798         return 1;
799 }
800
801
802 /*
803  * AMP control callbacks
804  */
805 /* retrieve parameters from private_value */
806 #define get_amp_nid(kc)         ((kc)->private_value & 0xffff)
807 #define get_amp_channels(kc)    (((kc)->private_value >> 16) & 0x3)
808 #define get_amp_direction(kc)   (((kc)->private_value >> 18) & 0x1)
809 #define get_amp_index(kc)       (((kc)->private_value >> 19) & 0xf)
810
811 /* volume */
812 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
813                                   struct snd_ctl_elem_info *uinfo)
814 {
815         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
816         u16 nid = get_amp_nid(kcontrol);
817         u8 chs = get_amp_channels(kcontrol);
818         int dir = get_amp_direction(kcontrol);
819         u32 caps;
820
821         caps = query_amp_caps(codec, nid, dir);
822         /* num steps */
823         caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
824         if (!caps) {
825                 printk(KERN_WARNING "hda_codec: "
826                        "num_steps = 0 for NID=0x%x\n", nid);
827                 return -EINVAL;
828         }
829         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
830         uinfo->count = chs == 3 ? 2 : 1;
831         uinfo->value.integer.min = 0;
832         uinfo->value.integer.max = caps;
833         return 0;
834 }
835
836 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
837                                  struct snd_ctl_elem_value *ucontrol)
838 {
839         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
840         hda_nid_t nid = get_amp_nid(kcontrol);
841         int chs = get_amp_channels(kcontrol);
842         int dir = get_amp_direction(kcontrol);
843         int idx = get_amp_index(kcontrol);
844         long *valp = ucontrol->value.integer.value;
845
846         if (chs & 1)
847                 *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & 0x7f;
848         if (chs & 2)
849                 *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & 0x7f;
850         return 0;
851 }
852
853 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
854                                  struct snd_ctl_elem_value *ucontrol)
855 {
856         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
857         hda_nid_t nid = get_amp_nid(kcontrol);
858         int chs = get_amp_channels(kcontrol);
859         int dir = get_amp_direction(kcontrol);
860         int idx = get_amp_index(kcontrol);
861         long *valp = ucontrol->value.integer.value;
862         int change = 0;
863
864         if (chs & 1) {
865                 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
866                                                   0x7f, *valp);
867                 valp++;
868         }
869         if (chs & 2)
870                 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
871                                                    0x7f, *valp);
872         return change;
873 }
874
875 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
876                           unsigned int size, unsigned int __user *_tlv)
877 {
878         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
879         hda_nid_t nid = get_amp_nid(kcontrol);
880         int dir = get_amp_direction(kcontrol);
881         u32 caps, val1, val2;
882
883         if (size < 4 * sizeof(unsigned int))
884                 return -ENOMEM;
885         caps = query_amp_caps(codec, nid, dir);
886         val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
887         val2 = (val2 + 1) * 25;
888         val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
889         val1 = ((int)val1) * ((int)val2);
890         if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
891                 return -EFAULT;
892         if (put_user(2 * sizeof(unsigned int), _tlv + 1))
893                 return -EFAULT;
894         if (put_user(val1, _tlv + 2))
895                 return -EFAULT;
896         if (put_user(val2, _tlv + 3))
897                 return -EFAULT;
898         return 0;
899 }
900
901 /* switch */
902 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
903                                   struct snd_ctl_elem_info *uinfo)
904 {
905         int chs = get_amp_channels(kcontrol);
906
907         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
908         uinfo->count = chs == 3 ? 2 : 1;
909         uinfo->value.integer.min = 0;
910         uinfo->value.integer.max = 1;
911         return 0;
912 }
913
914 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
915                                  struct snd_ctl_elem_value *ucontrol)
916 {
917         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
918         hda_nid_t nid = get_amp_nid(kcontrol);
919         int chs = get_amp_channels(kcontrol);
920         int dir = get_amp_direction(kcontrol);
921         int idx = get_amp_index(kcontrol);
922         long *valp = ucontrol->value.integer.value;
923
924         if (chs & 1)
925                 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
926                            0x80) ? 0 : 1;
927         if (chs & 2)
928                 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
929                          0x80) ? 0 : 1;
930         return 0;
931 }
932
933 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
934                                  struct snd_ctl_elem_value *ucontrol)
935 {
936         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
937         hda_nid_t nid = get_amp_nid(kcontrol);
938         int chs = get_amp_channels(kcontrol);
939         int dir = get_amp_direction(kcontrol);
940         int idx = get_amp_index(kcontrol);
941         long *valp = ucontrol->value.integer.value;
942         int change = 0;
943
944         if (chs & 1) {
945                 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
946                                                   0x80, *valp ? 0 : 0x80);
947                 valp++;
948         }
949         if (chs & 2)
950                 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
951                                                    0x80, *valp ? 0 : 0x80);
952         
953         return change;
954 }
955
956 /*
957  * bound volume controls
958  *
959  * bind multiple volumes (# indices, from 0)
960  */
961
962 #define AMP_VAL_IDX_SHIFT       19
963 #define AMP_VAL_IDX_MASK        (0x0f<<19)
964
965 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
966                                   struct snd_ctl_elem_value *ucontrol)
967 {
968         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
969         unsigned long pval;
970         int err;
971
972         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
973         pval = kcontrol->private_value;
974         kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
975         err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
976         kcontrol->private_value = pval;
977         mutex_unlock(&codec->spdif_mutex);
978         return err;
979 }
980
981 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
982                                   struct snd_ctl_elem_value *ucontrol)
983 {
984         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
985         unsigned long pval;
986         int i, indices, err = 0, change = 0;
987
988         mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
989         pval = kcontrol->private_value;
990         indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
991         for (i = 0; i < indices; i++) {
992                 kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) |
993                         (i << AMP_VAL_IDX_SHIFT);
994                 err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
995                 if (err < 0)
996                         break;
997                 change |= err;
998         }
999         kcontrol->private_value = pval;
1000         mutex_unlock(&codec->spdif_mutex);
1001         return err < 0 ? err : change;
1002 }
1003
1004 /*
1005  * SPDIF out controls
1006  */
1007
1008 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
1009                                    struct snd_ctl_elem_info *uinfo)
1010 {
1011         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1012         uinfo->count = 1;
1013         return 0;
1014 }
1015
1016 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
1017                                    struct snd_ctl_elem_value *ucontrol)
1018 {
1019         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1020                                            IEC958_AES0_NONAUDIO |
1021                                            IEC958_AES0_CON_EMPHASIS_5015 |
1022                                            IEC958_AES0_CON_NOT_COPYRIGHT;
1023         ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
1024                                            IEC958_AES1_CON_ORIGINAL;
1025         return 0;
1026 }
1027
1028 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
1029                                    struct snd_ctl_elem_value *ucontrol)
1030 {
1031         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1032                                            IEC958_AES0_NONAUDIO |
1033                                            IEC958_AES0_PRO_EMPHASIS_5015;
1034         return 0;
1035 }
1036
1037 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
1038                                      struct snd_ctl_elem_value *ucontrol)
1039 {
1040         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1041
1042         ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff;
1043         ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff;
1044         ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff;
1045         ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff;
1046
1047         return 0;
1048 }
1049
1050 /* convert from SPDIF status bits to HDA SPDIF bits
1051  * bit 0 (DigEn) is always set zero (to be filled later)
1052  */
1053 static unsigned short convert_from_spdif_status(unsigned int sbits)
1054 {
1055         unsigned short val = 0;
1056
1057         if (sbits & IEC958_AES0_PROFESSIONAL)
1058                 val |= AC_DIG1_PROFESSIONAL;
1059         if (sbits & IEC958_AES0_NONAUDIO)
1060                 val |= AC_DIG1_NONAUDIO;
1061         if (sbits & IEC958_AES0_PROFESSIONAL) {
1062                 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
1063                     IEC958_AES0_PRO_EMPHASIS_5015)
1064                         val |= AC_DIG1_EMPHASIS;
1065         } else {
1066                 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
1067                     IEC958_AES0_CON_EMPHASIS_5015)
1068                         val |= AC_DIG1_EMPHASIS;
1069                 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
1070                         val |= AC_DIG1_COPYRIGHT;
1071                 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
1072                         val |= AC_DIG1_LEVEL;
1073                 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
1074         }
1075         return val;
1076 }
1077
1078 /* convert to SPDIF status bits from HDA SPDIF bits
1079  */
1080 static unsigned int convert_to_spdif_status(unsigned short val)
1081 {
1082         unsigned int sbits = 0;
1083
1084         if (val & AC_DIG1_NONAUDIO)
1085                 sbits |= IEC958_AES0_NONAUDIO;
1086         if (val & AC_DIG1_PROFESSIONAL)
1087                 sbits |= IEC958_AES0_PROFESSIONAL;
1088         if (sbits & IEC958_AES0_PROFESSIONAL) {
1089                 if (sbits & AC_DIG1_EMPHASIS)
1090                         sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
1091         } else {
1092                 if (val & AC_DIG1_EMPHASIS)
1093                         sbits |= IEC958_AES0_CON_EMPHASIS_5015;
1094                 if (!(val & AC_DIG1_COPYRIGHT))
1095                         sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
1096                 if (val & AC_DIG1_LEVEL)
1097                         sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
1098                 sbits |= val & (0x7f << 8);
1099         }
1100         return sbits;
1101 }
1102
1103 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
1104                                      struct snd_ctl_elem_value *ucontrol)
1105 {
1106         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1107         hda_nid_t nid = kcontrol->private_value;
1108         unsigned short val;
1109         int change;
1110
1111         mutex_lock(&codec->spdif_mutex);
1112         codec->spdif_status = ucontrol->value.iec958.status[0] |
1113                 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
1114                 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
1115                 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
1116         val = convert_from_spdif_status(codec->spdif_status);
1117         val |= codec->spdif_ctls & 1;
1118         change = codec->spdif_ctls != val;
1119         codec->spdif_ctls = val;
1120
1121         if (change || codec->in_resume) {
1122                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
1123                                     val & 0xff);
1124                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_2,
1125                                     val >> 8);
1126         }
1127
1128         mutex_unlock(&codec->spdif_mutex);
1129         return change;
1130 }
1131
1132 static int snd_hda_spdif_out_switch_info(struct snd_kcontrol *kcontrol,
1133                                          struct snd_ctl_elem_info *uinfo)
1134 {
1135         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1136         uinfo->count = 1;
1137         uinfo->value.integer.min = 0;
1138         uinfo->value.integer.max = 1;
1139         return 0;
1140 }
1141
1142 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
1143                                         struct snd_ctl_elem_value *ucontrol)
1144 {
1145         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1146
1147         ucontrol->value.integer.value[0] = codec->spdif_ctls & AC_DIG1_ENABLE;
1148         return 0;
1149 }
1150
1151 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
1152                                         struct snd_ctl_elem_value *ucontrol)
1153 {
1154         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1155         hda_nid_t nid = kcontrol->private_value;
1156         unsigned short val;
1157         int change;
1158
1159         mutex_lock(&codec->spdif_mutex);
1160         val = codec->spdif_ctls & ~AC_DIG1_ENABLE;
1161         if (ucontrol->value.integer.value[0])
1162                 val |= AC_DIG1_ENABLE;
1163         change = codec->spdif_ctls != val;
1164         if (change || codec->in_resume) {
1165                 codec->spdif_ctls = val;
1166                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
1167                                     val & 0xff);
1168                 /* unmute amp switch (if any) */
1169                 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
1170                     (val & AC_DIG1_ENABLE))
1171                         snd_hda_codec_write(codec, nid, 0,
1172                                             AC_VERB_SET_AMP_GAIN_MUTE,
1173                                             AC_AMP_SET_RIGHT | AC_AMP_SET_LEFT |
1174                                             AC_AMP_SET_OUTPUT);
1175         }
1176         mutex_unlock(&codec->spdif_mutex);
1177         return change;
1178 }
1179
1180 static struct snd_kcontrol_new dig_mixes[] = {
1181         {
1182                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1183                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1184                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1185                 .info = snd_hda_spdif_mask_info,
1186                 .get = snd_hda_spdif_cmask_get,
1187         },
1188         {
1189                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1190                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1191                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1192                 .info = snd_hda_spdif_mask_info,
1193                 .get = snd_hda_spdif_pmask_get,
1194         },
1195         {
1196                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1197                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1198                 .info = snd_hda_spdif_mask_info,
1199                 .get = snd_hda_spdif_default_get,
1200                 .put = snd_hda_spdif_default_put,
1201         },
1202         {
1203                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1204                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1205                 .info = snd_hda_spdif_out_switch_info,
1206                 .get = snd_hda_spdif_out_switch_get,
1207                 .put = snd_hda_spdif_out_switch_put,
1208         },
1209         { } /* end */
1210 };
1211
1212 /**
1213  * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1214  * @codec: the HDA codec
1215  * @nid: audio out widget NID
1216  *
1217  * Creates controls related with the SPDIF output.
1218  * Called from each patch supporting the SPDIF out.
1219  *
1220  * Returns 0 if successful, or a negative error code.
1221  */
1222 int __devinit snd_hda_create_spdif_out_ctls(struct hda_codec *codec,
1223                                             hda_nid_t nid)
1224 {
1225         int err;
1226         struct snd_kcontrol *kctl;
1227         struct snd_kcontrol_new *dig_mix;
1228
1229         for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
1230                 kctl = snd_ctl_new1(dig_mix, codec);
1231                 kctl->private_value = nid;
1232                 err = snd_ctl_add(codec->bus->card, kctl);
1233                 if (err < 0)
1234                         return err;
1235         }
1236         codec->spdif_ctls =
1237                 snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0);
1238         codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
1239         return 0;
1240 }
1241
1242 /*
1243  * SPDIF input
1244  */
1245
1246 #define snd_hda_spdif_in_switch_info    snd_hda_spdif_out_switch_info
1247
1248 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
1249                                        struct snd_ctl_elem_value *ucontrol)
1250 {
1251         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1252
1253         ucontrol->value.integer.value[0] = codec->spdif_in_enable;
1254         return 0;
1255 }
1256
1257 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
1258                                        struct snd_ctl_elem_value *ucontrol)
1259 {
1260         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1261         hda_nid_t nid = kcontrol->private_value;
1262         unsigned int val = !!ucontrol->value.integer.value[0];
1263         int change;
1264
1265         mutex_lock(&codec->spdif_mutex);
1266         change = codec->spdif_in_enable != val;
1267         if (change || codec->in_resume) {
1268                 codec->spdif_in_enable = val;
1269                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
1270                                     val);
1271         }
1272         mutex_unlock(&codec->spdif_mutex);
1273         return change;
1274 }
1275
1276 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
1277                                        struct snd_ctl_elem_value *ucontrol)
1278 {
1279         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1280         hda_nid_t nid = kcontrol->private_value;
1281         unsigned short val;
1282         unsigned int sbits;
1283
1284         val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0);
1285         sbits = convert_to_spdif_status(val);
1286         ucontrol->value.iec958.status[0] = sbits;
1287         ucontrol->value.iec958.status[1] = sbits >> 8;
1288         ucontrol->value.iec958.status[2] = sbits >> 16;
1289         ucontrol->value.iec958.status[3] = sbits >> 24;
1290         return 0;
1291 }
1292
1293 static struct snd_kcontrol_new dig_in_ctls[] = {
1294         {
1295                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1296                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
1297                 .info = snd_hda_spdif_in_switch_info,
1298                 .get = snd_hda_spdif_in_switch_get,
1299                 .put = snd_hda_spdif_in_switch_put,
1300         },
1301         {
1302                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1303                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1304                 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1305                 .info = snd_hda_spdif_mask_info,
1306                 .get = snd_hda_spdif_in_status_get,
1307         },
1308         { } /* end */
1309 };
1310
1311 /**
1312  * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1313  * @codec: the HDA codec
1314  * @nid: audio in widget NID
1315  *
1316  * Creates controls related with the SPDIF input.
1317  * Called from each patch supporting the SPDIF in.
1318  *
1319  * Returns 0 if successful, or a negative error code.
1320  */
1321 int __devinit snd_hda_create_spdif_in_ctls(struct hda_codec *codec,
1322                                            hda_nid_t nid)
1323 {
1324         int err;
1325         struct snd_kcontrol *kctl;
1326         struct snd_kcontrol_new *dig_mix;
1327
1328         for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
1329                 kctl = snd_ctl_new1(dig_mix, codec);
1330                 kctl->private_value = nid;
1331                 err = snd_ctl_add(codec->bus->card, kctl);
1332                 if (err < 0)
1333                         return err;
1334         }
1335         codec->spdif_in_enable =
1336                 snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0) &
1337                 AC_DIG1_ENABLE;
1338         return 0;
1339 }
1340
1341
1342 /*
1343  * set power state of the codec
1344  */
1345 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
1346                                 unsigned int power_state)
1347 {
1348         hda_nid_t nid, nid_start;
1349         int nodes;
1350
1351         snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE,
1352                             power_state);
1353
1354         nodes = snd_hda_get_sub_nodes(codec, fg, &nid_start);
1355         for (nid = nid_start; nid < nodes + nid_start; nid++) {
1356                 if (get_wcaps(codec, nid) & AC_WCAP_POWER)
1357                         snd_hda_codec_write(codec, nid, 0,
1358                                             AC_VERB_SET_POWER_STATE,
1359                                             power_state);
1360         }
1361
1362         if (power_state == AC_PWRST_D0)
1363                 msleep(10);
1364 }
1365
1366
1367 /**
1368  * snd_hda_build_controls - build mixer controls
1369  * @bus: the BUS
1370  *
1371  * Creates mixer controls for each codec included in the bus.
1372  *
1373  * Returns 0 if successful, otherwise a negative error code.
1374  */
1375 int __devinit snd_hda_build_controls(struct hda_bus *bus)
1376 {
1377         struct hda_codec *codec;
1378
1379         /* build controls */
1380         list_for_each_entry(codec, &bus->codec_list, list) {
1381                 int err;
1382                 if (!codec->patch_ops.build_controls)
1383                         continue;
1384                 err = codec->patch_ops.build_controls(codec);
1385                 if (err < 0)
1386                         return err;
1387         }
1388
1389         /* initialize */
1390         list_for_each_entry(codec, &bus->codec_list, list) {
1391                 int err;
1392                 hda_set_power_state(codec,
1393                                     codec->afg ? codec->afg : codec->mfg,
1394                                     AC_PWRST_D0);
1395                 if (!codec->patch_ops.init)
1396                         continue;
1397                 err = codec->patch_ops.init(codec);
1398                 if (err < 0)
1399                         return err;
1400         }
1401         return 0;
1402 }
1403
1404 /*
1405  * stream formats
1406  */
1407 struct hda_rate_tbl {
1408         unsigned int hz;
1409         unsigned int alsa_bits;
1410         unsigned int hda_fmt;
1411 };
1412
1413 static struct hda_rate_tbl rate_bits[] = {
1414         /* rate in Hz, ALSA rate bitmask, HDA format value */
1415
1416         /* autodetected value used in snd_hda_query_supported_pcm */
1417         { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
1418         { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
1419         { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
1420         { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
1421         { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
1422         { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
1423         { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
1424         { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
1425         { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
1426         { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
1427         { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
1428 #define AC_PAR_PCM_RATE_BITS    11
1429         /* up to bits 10, 384kHZ isn't supported properly */
1430
1431         /* not autodetected value */
1432         { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
1433
1434         { 0 } /* terminator */
1435 };
1436
1437 /**
1438  * snd_hda_calc_stream_format - calculate format bitset
1439  * @rate: the sample rate
1440  * @channels: the number of channels
1441  * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
1442  * @maxbps: the max. bps
1443  *
1444  * Calculate the format bitset from the given rate, channels and th PCM format.
1445  *
1446  * Return zero if invalid.
1447  */
1448 unsigned int snd_hda_calc_stream_format(unsigned int rate,
1449                                         unsigned int channels,
1450                                         unsigned int format,
1451                                         unsigned int maxbps)
1452 {
1453         int i;
1454         unsigned int val = 0;
1455
1456         for (i = 0; rate_bits[i].hz; i++)
1457                 if (rate_bits[i].hz == rate) {
1458                         val = rate_bits[i].hda_fmt;
1459                         break;
1460                 }
1461         if (!rate_bits[i].hz) {
1462                 snd_printdd("invalid rate %d\n", rate);
1463                 return 0;
1464         }
1465
1466         if (channels == 0 || channels > 8) {
1467                 snd_printdd("invalid channels %d\n", channels);
1468                 return 0;
1469         }
1470         val |= channels - 1;
1471
1472         switch (snd_pcm_format_width(format)) {
1473         case 8:  val |= 0x00; break;
1474         case 16: val |= 0x10; break;
1475         case 20:
1476         case 24:
1477         case 32:
1478                 if (maxbps >= 32)
1479                         val |= 0x40;
1480                 else if (maxbps >= 24)
1481                         val |= 0x30;
1482                 else
1483                         val |= 0x20;
1484                 break;
1485         default:
1486                 snd_printdd("invalid format width %d\n",
1487                             snd_pcm_format_width(format));
1488                 return 0;
1489         }
1490
1491         return val;
1492 }
1493
1494 /**
1495  * snd_hda_query_supported_pcm - query the supported PCM rates and formats
1496  * @codec: the HDA codec
1497  * @nid: NID to query
1498  * @ratesp: the pointer to store the detected rate bitflags
1499  * @formatsp: the pointer to store the detected formats
1500  * @bpsp: the pointer to store the detected format widths
1501  *
1502  * Queries the supported PCM rates and formats.  The NULL @ratesp, @formatsp
1503  * or @bsps argument is ignored.
1504  *
1505  * Returns 0 if successful, otherwise a negative error code.
1506  */
1507 int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
1508                                 u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
1509 {
1510         int i;
1511         unsigned int val, streams;
1512
1513         val = 0;
1514         if (nid != codec->afg &&
1515             (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
1516                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
1517                 if (val == -1)
1518                         return -EIO;
1519         }
1520         if (!val)
1521                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
1522
1523         if (ratesp) {
1524                 u32 rates = 0;
1525                 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) {
1526                         if (val & (1 << i))
1527                                 rates |= rate_bits[i].alsa_bits;
1528                 }
1529                 *ratesp = rates;
1530         }
1531
1532         if (formatsp || bpsp) {
1533                 u64 formats = 0;
1534                 unsigned int bps;
1535                 unsigned int wcaps;
1536
1537                 wcaps = get_wcaps(codec, nid);
1538                 streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
1539                 if (streams == -1)
1540                         return -EIO;
1541                 if (!streams) {
1542                         streams = snd_hda_param_read(codec, codec->afg,
1543                                                      AC_PAR_STREAM);
1544                         if (streams == -1)
1545                                 return -EIO;
1546                 }
1547
1548                 bps = 0;
1549                 if (streams & AC_SUPFMT_PCM) {
1550                         if (val & AC_SUPPCM_BITS_8) {
1551                                 formats |= SNDRV_PCM_FMTBIT_U8;
1552                                 bps = 8;
1553                         }
1554                         if (val & AC_SUPPCM_BITS_16) {
1555                                 formats |= SNDRV_PCM_FMTBIT_S16_LE;
1556                                 bps = 16;
1557                         }
1558                         if (wcaps & AC_WCAP_DIGITAL) {
1559                                 if (val & AC_SUPPCM_BITS_32)
1560                                         formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
1561                                 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
1562                                         formats |= SNDRV_PCM_FMTBIT_S32_LE;
1563                                 if (val & AC_SUPPCM_BITS_24)
1564                                         bps = 24;
1565                                 else if (val & AC_SUPPCM_BITS_20)
1566                                         bps = 20;
1567                         } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|
1568                                           AC_SUPPCM_BITS_32)) {
1569                                 formats |= SNDRV_PCM_FMTBIT_S32_LE;
1570                                 if (val & AC_SUPPCM_BITS_32)
1571                                         bps = 32;
1572                                 else if (val & AC_SUPPCM_BITS_24)
1573                                         bps = 24;
1574                                 else if (val & AC_SUPPCM_BITS_20)
1575                                         bps = 20;
1576                         }
1577                 }
1578                 else if (streams == AC_SUPFMT_FLOAT32) {
1579                         /* should be exclusive */
1580                         formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
1581                         bps = 32;
1582                 } else if (streams == AC_SUPFMT_AC3) {
1583                         /* should be exclusive */
1584                         /* temporary hack: we have still no proper support
1585                          * for the direct AC3 stream...
1586                          */
1587                         formats |= SNDRV_PCM_FMTBIT_U8;
1588                         bps = 8;
1589                 }
1590                 if (formatsp)
1591                         *formatsp = formats;
1592                 if (bpsp)
1593                         *bpsp = bps;
1594         }
1595
1596         return 0;
1597 }
1598
1599 /**
1600  * snd_hda_is_supported_format - check whether the given node supports
1601  * the format val
1602  *
1603  * Returns 1 if supported, 0 if not.
1604  */
1605 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
1606                                 unsigned int format)
1607 {
1608         int i;
1609         unsigned int val = 0, rate, stream;
1610
1611         if (nid != codec->afg &&
1612             (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
1613                 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
1614                 if (val == -1)
1615                         return 0;
1616         }
1617         if (!val) {
1618                 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
1619                 if (val == -1)
1620                         return 0;
1621         }
1622
1623         rate = format & 0xff00;
1624         for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)
1625                 if (rate_bits[i].hda_fmt == rate) {
1626                         if (val & (1 << i))
1627                                 break;
1628                         return 0;
1629                 }
1630         if (i >= AC_PAR_PCM_RATE_BITS)
1631                 return 0;
1632
1633         stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
1634         if (stream == -1)
1635                 return 0;
1636         if (!stream && nid != codec->afg)
1637                 stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
1638         if (!stream || stream == -1)
1639                 return 0;
1640
1641         if (stream & AC_SUPFMT_PCM) {
1642                 switch (format & 0xf0) {
1643                 case 0x00:
1644                         if (!(val & AC_SUPPCM_BITS_8))
1645                                 return 0;
1646                         break;
1647                 case 0x10:
1648                         if (!(val & AC_SUPPCM_BITS_16))
1649                                 return 0;
1650                         break;
1651                 case 0x20:
1652                         if (!(val & AC_SUPPCM_BITS_20))
1653                                 return 0;
1654                         break;
1655                 case 0x30:
1656                         if (!(val & AC_SUPPCM_BITS_24))
1657                                 return 0;
1658                         break;
1659                 case 0x40:
1660                         if (!(val & AC_SUPPCM_BITS_32))
1661                                 return 0;
1662                         break;
1663                 default:
1664                         return 0;
1665                 }
1666         } else {
1667                 /* FIXME: check for float32 and AC3? */
1668         }
1669
1670         return 1;
1671 }
1672
1673 /*
1674  * PCM stuff
1675  */
1676 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
1677                                       struct hda_codec *codec,
1678                                       struct snd_pcm_substream *substream)
1679 {
1680         return 0;
1681 }
1682
1683 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
1684                                    struct hda_codec *codec,
1685                                    unsigned int stream_tag,
1686                                    unsigned int format,
1687                                    struct snd_pcm_substream *substream)
1688 {
1689         snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
1690         return 0;
1691 }
1692
1693 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
1694                                    struct hda_codec *codec,
1695                                    struct snd_pcm_substream *substream)
1696 {
1697         snd_hda_codec_setup_stream(codec, hinfo->nid, 0, 0, 0);
1698         return 0;
1699 }
1700
1701 static int __devinit set_pcm_default_values(struct hda_codec *codec,
1702                                             struct hda_pcm_stream *info)
1703 {
1704         /* query support PCM information from the given NID */
1705         if (info->nid && (!info->rates || !info->formats)) {
1706                 snd_hda_query_supported_pcm(codec, info->nid,
1707                                 info->rates ? NULL : &info->rates,
1708                                 info->formats ? NULL : &info->formats,
1709                                 info->maxbps ? NULL : &info->maxbps);
1710         }
1711         if (info->ops.open == NULL)
1712                 info->ops.open = hda_pcm_default_open_close;
1713         if (info->ops.close == NULL)
1714                 info->ops.close = hda_pcm_default_open_close;
1715         if (info->ops.prepare == NULL) {
1716                 snd_assert(info->nid, return -EINVAL);
1717                 info->ops.prepare = hda_pcm_default_prepare;
1718         }
1719         if (info->ops.cleanup == NULL) {
1720                 snd_assert(info->nid, return -EINVAL);
1721                 info->ops.cleanup = hda_pcm_default_cleanup;
1722         }
1723         return 0;
1724 }
1725
1726 /**
1727  * snd_hda_build_pcms - build PCM information
1728  * @bus: the BUS
1729  *
1730  * Create PCM information for each codec included in the bus.
1731  *
1732  * The build_pcms codec patch is requested to set up codec->num_pcms and
1733  * codec->pcm_info properly.  The array is referred by the top-level driver
1734  * to create its PCM instances.
1735  * The allocated codec->pcm_info should be released in codec->patch_ops.free
1736  * callback.
1737  *
1738  * At least, substreams, channels_min and channels_max must be filled for
1739  * each stream.  substreams = 0 indicates that the stream doesn't exist.
1740  * When rates and/or formats are zero, the supported values are queried
1741  * from the given nid.  The nid is used also by the default ops.prepare
1742  * and ops.cleanup callbacks.
1743  *
1744  * The driver needs to call ops.open in its open callback.  Similarly,
1745  * ops.close is supposed to be called in the close callback.
1746  * ops.prepare should be called in the prepare or hw_params callback
1747  * with the proper parameters for set up.
1748  * ops.cleanup should be called in hw_free for clean up of streams.
1749  *
1750  * This function returns 0 if successfull, or a negative error code.
1751  */
1752 int __devinit snd_hda_build_pcms(struct hda_bus *bus)
1753 {
1754         struct hda_codec *codec;
1755
1756         list_for_each_entry(codec, &bus->codec_list, list) {
1757                 unsigned int pcm, s;
1758                 int err;
1759                 if (!codec->patch_ops.build_pcms)
1760                         continue;
1761                 err = codec->patch_ops.build_pcms(codec);
1762                 if (err < 0)
1763                         return err;
1764                 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
1765                         for (s = 0; s < 2; s++) {
1766                                 struct hda_pcm_stream *info;
1767                                 info = &codec->pcm_info[pcm].stream[s];
1768                                 if (!info->substreams)
1769                                         continue;
1770                                 err = set_pcm_default_values(codec, info);
1771                                 if (err < 0)
1772                                         return err;
1773                         }
1774                 }
1775         }
1776         return 0;
1777 }
1778
1779 /**
1780  * snd_hda_check_board_config - compare the current codec with the config table
1781  * @codec: the HDA codec
1782  * @num_configs: number of config enums
1783  * @models: array of model name strings
1784  * @tbl: configuration table, terminated by null entries
1785  *
1786  * Compares the modelname or PCI subsystem id of the current codec with the
1787  * given configuration table.  If a matching entry is found, returns its
1788  * config value (supposed to be 0 or positive).
1789  *
1790  * If no entries are matching, the function returns a negative value.
1791  */
1792 int __devinit snd_hda_check_board_config(struct hda_codec *codec,
1793                                          int num_configs, const char **models,
1794                                          const struct snd_pci_quirk *tbl)
1795 {
1796         if (codec->bus->modelname && models) {
1797                 int i;
1798                 for (i = 0; i < num_configs; i++) {
1799                         if (models[i] &&
1800                             !strcmp(codec->bus->modelname, models[i])) {
1801                                 snd_printd(KERN_INFO "hda_codec: model '%s' is "
1802                                            "selected\n", models[i]);
1803                                 return i;
1804                         }
1805                 }
1806         }
1807
1808         if (!codec->bus->pci || !tbl)
1809                 return -1;
1810
1811         tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl);
1812         if (!tbl)
1813                 return -1;
1814         if (tbl->value >= 0 && tbl->value < num_configs) {
1815 #ifdef CONFIG_SND_DEBUG_DETECT
1816                 char tmp[10];
1817                 const char *model = NULL;
1818                 if (models)
1819                         model = models[tbl->value];
1820                 if (!model) {
1821                         sprintf(tmp, "#%d", tbl->value);
1822                         model = tmp;
1823                 }
1824                 snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
1825                             "for config %x:%x (%s)\n",
1826                             model, tbl->subvendor, tbl->subdevice,
1827                             (tbl->name ? tbl->name : "Unknown device"));
1828 #endif
1829                 return tbl->value;
1830         }
1831         return -1;
1832 }
1833
1834 /**
1835  * snd_hda_add_new_ctls - create controls from the array
1836  * @codec: the HDA codec
1837  * @knew: the array of struct snd_kcontrol_new
1838  *
1839  * This helper function creates and add new controls in the given array.
1840  * The array must be terminated with an empty entry as terminator.
1841  *
1842  * Returns 0 if successful, or a negative error code.
1843  */
1844 int __devinit snd_hda_add_new_ctls(struct hda_codec *codec,
1845                                    struct snd_kcontrol_new *knew)
1846 {
1847         int err;
1848
1849         for (; knew->name; knew++) {
1850                 struct snd_kcontrol *kctl;
1851                 kctl = snd_ctl_new1(knew, codec);
1852                 if (!kctl)
1853                         return -ENOMEM;
1854                 err = snd_ctl_add(codec->bus->card, kctl);
1855                 if (err < 0) {
1856                         if (!codec->addr)
1857                                 return err;
1858                         kctl = snd_ctl_new1(knew, codec);
1859                         if (!kctl)
1860                                 return -ENOMEM;
1861                         kctl->id.device = codec->addr;
1862                         err = snd_ctl_add(codec->bus->card, kctl);
1863                         if (err < 0)
1864                                 return err;
1865                 }
1866         }
1867         return 0;
1868 }
1869
1870
1871 /*
1872  * Channel mode helper
1873  */
1874 int snd_hda_ch_mode_info(struct hda_codec *codec,
1875                          struct snd_ctl_elem_info *uinfo,
1876                          const struct hda_channel_mode *chmode,
1877                          int num_chmodes)
1878 {
1879         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1880         uinfo->count = 1;
1881         uinfo->value.enumerated.items = num_chmodes;
1882         if (uinfo->value.enumerated.item >= num_chmodes)
1883                 uinfo->value.enumerated.item = num_chmodes - 1;
1884         sprintf(uinfo->value.enumerated.name, "%dch",
1885                 chmode[uinfo->value.enumerated.item].channels);
1886         return 0;
1887 }
1888
1889 int snd_hda_ch_mode_get(struct hda_codec *codec,
1890                         struct snd_ctl_elem_value *ucontrol,
1891                         const struct hda_channel_mode *chmode,
1892                         int num_chmodes,
1893                         int max_channels)
1894 {
1895         int i;
1896
1897         for (i = 0; i < num_chmodes; i++) {
1898                 if (max_channels == chmode[i].channels) {
1899                         ucontrol->value.enumerated.item[0] = i;
1900                         break;
1901                 }
1902         }
1903         return 0;
1904 }
1905
1906 int snd_hda_ch_mode_put(struct hda_codec *codec,
1907                         struct snd_ctl_elem_value *ucontrol,
1908                         const struct hda_channel_mode *chmode,
1909                         int num_chmodes,
1910                         int *max_channelsp)
1911 {
1912         unsigned int mode;
1913
1914         mode = ucontrol->value.enumerated.item[0];
1915         snd_assert(mode < num_chmodes, return -EINVAL);
1916         if (*max_channelsp == chmode[mode].channels && !codec->in_resume)
1917                 return 0;
1918         /* change the current channel setting */
1919         *max_channelsp = chmode[mode].channels;
1920         if (chmode[mode].sequence)
1921                 snd_hda_sequence_write(codec, chmode[mode].sequence);
1922         return 1;
1923 }
1924
1925 /*
1926  * input MUX helper
1927  */
1928 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
1929                            struct snd_ctl_elem_info *uinfo)
1930 {
1931         unsigned int index;
1932
1933         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1934         uinfo->count = 1;
1935         uinfo->value.enumerated.items = imux->num_items;
1936         index = uinfo->value.enumerated.item;
1937         if (index >= imux->num_items)
1938                 index = imux->num_items - 1;
1939         strcpy(uinfo->value.enumerated.name, imux->items[index].label);
1940         return 0;
1941 }
1942
1943 int snd_hda_input_mux_put(struct hda_codec *codec,
1944                           const struct hda_input_mux *imux,
1945                           struct snd_ctl_elem_value *ucontrol,
1946                           hda_nid_t nid,
1947                           unsigned int *cur_val)
1948 {
1949         unsigned int idx;
1950
1951         idx = ucontrol->value.enumerated.item[0];
1952         if (idx >= imux->num_items)
1953                 idx = imux->num_items - 1;
1954         if (*cur_val == idx && !codec->in_resume)
1955                 return 0;
1956         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
1957                             imux->items[idx].index);
1958         *cur_val = idx;
1959         return 1;
1960 }
1961
1962
1963 /*
1964  * Multi-channel / digital-out PCM helper functions
1965  */
1966
1967 /* setup SPDIF output stream */
1968 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
1969                                  unsigned int stream_tag, unsigned int format)
1970 {
1971         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
1972         if (codec->spdif_ctls & AC_DIG1_ENABLE)
1973                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
1974                                     codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
1975         snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
1976         /* turn on again (if needed) */
1977         if (codec->spdif_ctls & AC_DIG1_ENABLE)
1978                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
1979                                     codec->spdif_ctls & 0xff);
1980 }
1981
1982 /*
1983  * open the digital out in the exclusive mode
1984  */
1985 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
1986                                struct hda_multi_out *mout)
1987 {
1988         mutex_lock(&codec->spdif_mutex);
1989         if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
1990                 /* already opened as analog dup; reset it once */
1991                 snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
1992         mout->dig_out_used = HDA_DIG_EXCLUSIVE;
1993         mutex_unlock(&codec->spdif_mutex);
1994         return 0;
1995 }
1996
1997 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
1998                                   struct hda_multi_out *mout,
1999                                   unsigned int stream_tag,
2000                                   unsigned int format,
2001                                   struct snd_pcm_substream *substream)
2002 {
2003         mutex_lock(&codec->spdif_mutex);
2004         setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
2005         mutex_unlock(&codec->spdif_mutex);
2006         return 0;
2007 }
2008
2009 /*
2010  * release the digital out
2011  */
2012 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
2013                                 struct hda_multi_out *mout)
2014 {
2015         mutex_lock(&codec->spdif_mutex);
2016         mout->dig_out_used = 0;
2017         mutex_unlock(&codec->spdif_mutex);
2018         return 0;
2019 }
2020
2021 /*
2022  * set up more restrictions for analog out
2023  */
2024 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
2025                                   struct hda_multi_out *mout,
2026                                   struct snd_pcm_substream *substream)
2027 {
2028         substream->runtime->hw.channels_max = mout->max_channels;
2029         return snd_pcm_hw_constraint_step(substream->runtime, 0,
2030                                           SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2031 }
2032
2033 /*
2034  * set up the i/o for analog out
2035  * when the digital out is available, copy the front out to digital out, too.
2036  */
2037 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
2038                                      struct hda_multi_out *mout,
2039                                      unsigned int stream_tag,
2040                                      unsigned int format,
2041                                      struct snd_pcm_substream *substream)
2042 {
2043         hda_nid_t *nids = mout->dac_nids;
2044         int chs = substream->runtime->channels;
2045         int i;
2046
2047         mutex_lock(&codec->spdif_mutex);
2048         if (mout->dig_out_nid && mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
2049                 if (chs == 2 &&
2050                     snd_hda_is_supported_format(codec, mout->dig_out_nid,
2051                                                 format) &&
2052                     !(codec->spdif_status & IEC958_AES0_NONAUDIO)) {
2053                         mout->dig_out_used = HDA_DIG_ANALOG_DUP;
2054                         setup_dig_out_stream(codec, mout->dig_out_nid,
2055                                              stream_tag, format);
2056                 } else {
2057                         mout->dig_out_used = 0;
2058                         snd_hda_codec_setup_stream(codec, mout->dig_out_nid,
2059                                                    0, 0, 0);
2060                 }
2061         }
2062         mutex_unlock(&codec->spdif_mutex);
2063
2064         /* front */
2065         snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
2066                                    0, format);
2067         if (mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
2068                 /* headphone out will just decode front left/right (stereo) */
2069                 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
2070                                            0, format);
2071         /* extra outputs copied from front */
2072         for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2073                 if (mout->extra_out_nid[i])
2074                         snd_hda_codec_setup_stream(codec,
2075                                                    mout->extra_out_nid[i],
2076                                                    stream_tag, 0, format);
2077
2078         /* surrounds */
2079         for (i = 1; i < mout->num_dacs; i++) {
2080                 if (chs >= (i + 1) * 2) /* independent out */
2081                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2082                                                    i * 2, format);
2083                 else /* copy front */
2084                         snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2085                                                    0, format);
2086         }
2087         return 0;
2088 }
2089
2090 /*
2091  * clean up the setting for analog out
2092  */
2093 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
2094                                      struct hda_multi_out *mout)
2095 {
2096         hda_nid_t *nids = mout->dac_nids;
2097         int i;
2098
2099         for (i = 0; i < mout->num_dacs; i++)
2100                 snd_hda_codec_setup_stream(codec, nids[i], 0, 0, 0);
2101         if (mout->hp_nid)
2102                 snd_hda_codec_setup_stream(codec, mout->hp_nid, 0, 0, 0);
2103         for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2104                 if (mout->extra_out_nid[i])
2105                         snd_hda_codec_setup_stream(codec,
2106                                                    mout->extra_out_nid[i],
2107                                                    0, 0, 0);
2108         mutex_lock(&codec->spdif_mutex);
2109         if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
2110                 snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
2111                 mout->dig_out_used = 0;
2112         }
2113         mutex_unlock(&codec->spdif_mutex);
2114         return 0;
2115 }
2116
2117 /*
2118  * Helper for automatic ping configuration
2119  */
2120
2121 static int __devinit is_in_nid_list(hda_nid_t nid, hda_nid_t *list)
2122 {
2123         for (; *list; list++)
2124                 if (*list == nid)
2125                         return 1;
2126         return 0;
2127 }
2128
2129
2130 /*
2131  * Sort an associated group of pins according to their sequence numbers.
2132  */
2133 static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences,
2134                                   int num_pins)
2135 {
2136         int i, j;
2137         short seq;
2138         hda_nid_t nid;
2139         
2140         for (i = 0; i < num_pins; i++) {
2141                 for (j = i + 1; j < num_pins; j++) {
2142                         if (sequences[i] > sequences[j]) {
2143                                 seq = sequences[i];
2144                                 sequences[i] = sequences[j];
2145                                 sequences[j] = seq;
2146                                 nid = pins[i];
2147                                 pins[i] = pins[j];
2148                                 pins[j] = nid;
2149                         }
2150                 }
2151         }
2152 }
2153
2154
2155 /*
2156  * Parse all pin widgets and store the useful pin nids to cfg
2157  *
2158  * The number of line-outs or any primary output is stored in line_outs,
2159  * and the corresponding output pins are assigned to line_out_pins[],
2160  * in the order of front, rear, CLFE, side, ...
2161  *
2162  * If more extra outputs (speaker and headphone) are found, the pins are
2163  * assisnged to hp_pins[] and speaker_pins[], respectively.  If no line-out jack
2164  * is detected, one of speaker of HP pins is assigned as the primary
2165  * output, i.e. to line_out_pins[0].  So, line_outs is always positive
2166  * if any analog output exists.
2167  * 
2168  * The analog input pins are assigned to input_pins array.
2169  * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
2170  * respectively.
2171  */
2172 int __devinit snd_hda_parse_pin_def_config(struct hda_codec *codec,
2173                                            struct auto_pin_cfg *cfg,
2174                                            hda_nid_t *ignore_nids)
2175 {
2176         hda_nid_t nid, nid_start;
2177         int nodes;
2178         short seq, assoc_line_out, assoc_speaker;
2179         short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)];
2180         short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)];
2181
2182         memset(cfg, 0, sizeof(*cfg));
2183
2184         memset(sequences_line_out, 0, sizeof(sequences_line_out));
2185         memset(sequences_speaker, 0, sizeof(sequences_speaker));
2186         assoc_line_out = assoc_speaker = 0;
2187
2188         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid_start);
2189         for (nid = nid_start; nid < nodes + nid_start; nid++) {
2190                 unsigned int wid_caps = get_wcaps(codec, nid);
2191                 unsigned int wid_type =
2192                         (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
2193                 unsigned int def_conf;
2194                 short assoc, loc;
2195
2196                 /* read all default configuration for pin complex */
2197                 if (wid_type != AC_WID_PIN)
2198                         continue;
2199                 /* ignore the given nids (e.g. pc-beep returns error) */
2200                 if (ignore_nids && is_in_nid_list(nid, ignore_nids))
2201                         continue;
2202
2203                 def_conf = snd_hda_codec_read(codec, nid, 0,
2204                                               AC_VERB_GET_CONFIG_DEFAULT, 0);
2205                 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
2206                         continue;
2207                 loc = get_defcfg_location(def_conf);
2208                 switch (get_defcfg_device(def_conf)) {
2209                 case AC_JACK_LINE_OUT:
2210                         seq = get_defcfg_sequence(def_conf);
2211                         assoc = get_defcfg_association(def_conf);
2212                         if (!assoc)
2213                                 continue;
2214                         if (!assoc_line_out)
2215                                 assoc_line_out = assoc;
2216                         else if (assoc_line_out != assoc)
2217                                 continue;
2218                         if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
2219                                 continue;
2220                         cfg->line_out_pins[cfg->line_outs] = nid;
2221                         sequences_line_out[cfg->line_outs] = seq;
2222                         cfg->line_outs++;
2223                         break;
2224                 case AC_JACK_SPEAKER:
2225                         seq = get_defcfg_sequence(def_conf);
2226                         assoc = get_defcfg_association(def_conf);
2227                         if (! assoc)
2228                                 continue;
2229                         if (! assoc_speaker)
2230                                 assoc_speaker = assoc;
2231                         else if (assoc_speaker != assoc)
2232                                 continue;
2233                         if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
2234                                 continue;
2235                         cfg->speaker_pins[cfg->speaker_outs] = nid;
2236                         sequences_speaker[cfg->speaker_outs] = seq;
2237                         cfg->speaker_outs++;
2238                         break;
2239                 case AC_JACK_HP_OUT:
2240                         if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
2241                                 continue;
2242                         cfg->hp_pins[cfg->hp_outs] = nid;
2243                         cfg->hp_outs++;
2244                         break;
2245                 case AC_JACK_MIC_IN: {
2246                         int preferred, alt;
2247                         if (loc == AC_JACK_LOC_FRONT) {
2248                                 preferred = AUTO_PIN_FRONT_MIC;
2249                                 alt = AUTO_PIN_MIC;
2250                         } else {
2251                                 preferred = AUTO_PIN_MIC;
2252                                 alt = AUTO_PIN_FRONT_MIC;
2253                         }
2254                         if (!cfg->input_pins[preferred])
2255                                 cfg->input_pins[preferred] = nid;
2256                         else if (!cfg->input_pins[alt])
2257                                 cfg->input_pins[alt] = nid;
2258                         break;
2259                 }
2260                 case AC_JACK_LINE_IN:
2261                         if (loc == AC_JACK_LOC_FRONT)
2262                                 cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
2263                         else
2264                                 cfg->input_pins[AUTO_PIN_LINE] = nid;
2265                         break;
2266                 case AC_JACK_CD:
2267                         cfg->input_pins[AUTO_PIN_CD] = nid;
2268                         break;
2269                 case AC_JACK_AUX:
2270                         cfg->input_pins[AUTO_PIN_AUX] = nid;
2271                         break;
2272                 case AC_JACK_SPDIF_OUT:
2273                         cfg->dig_out_pin = nid;
2274                         break;
2275                 case AC_JACK_SPDIF_IN:
2276                         cfg->dig_in_pin = nid;
2277                         break;
2278                 }
2279         }
2280
2281         /* sort by sequence */
2282         sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out,
2283                               cfg->line_outs);
2284         sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker,
2285                               cfg->speaker_outs);
2286         
2287         /*
2288          * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
2289          * as a primary output
2290          */
2291         if (!cfg->line_outs) {
2292                 if (cfg->speaker_outs) {
2293                         cfg->line_outs = cfg->speaker_outs;
2294                         memcpy(cfg->line_out_pins, cfg->speaker_pins,
2295                                sizeof(cfg->speaker_pins));
2296                         cfg->speaker_outs = 0;
2297                         memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
2298                         cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
2299                 } else if (cfg->hp_outs) {
2300                         cfg->line_outs = cfg->hp_outs;
2301                         memcpy(cfg->line_out_pins, cfg->hp_pins,
2302                                sizeof(cfg->hp_pins));
2303                         cfg->hp_outs = 0;
2304                         memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
2305                         cfg->line_out_type = AUTO_PIN_HP_OUT;
2306                 }
2307         }
2308
2309         /* Reorder the surround channels
2310          * ALSA sequence is front/surr/clfe/side
2311          * HDA sequence is:
2312          *    4-ch: front/surr  =>  OK as it is
2313          *    6-ch: front/clfe/surr
2314          *    8-ch: front/clfe/rear/side|fc
2315          */
2316         switch (cfg->line_outs) {
2317         case 3:
2318         case 4:
2319                 nid = cfg->line_out_pins[1];
2320                 cfg->line_out_pins[1] = cfg->line_out_pins[2];
2321                 cfg->line_out_pins[2] = nid;
2322                 break;
2323         }
2324
2325         /*
2326          * debug prints of the parsed results
2327          */
2328         snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2329                    cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
2330                    cfg->line_out_pins[2], cfg->line_out_pins[3],
2331                    cfg->line_out_pins[4]);
2332         snd_printd("   speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2333                    cfg->speaker_outs, cfg->speaker_pins[0],
2334                    cfg->speaker_pins[1], cfg->speaker_pins[2],
2335                    cfg->speaker_pins[3], cfg->speaker_pins[4]);
2336         snd_printd("   hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2337                    cfg->hp_outs, cfg->hp_pins[0],
2338                    cfg->hp_pins[1], cfg->hp_pins[2],
2339                    cfg->hp_pins[3], cfg->hp_pins[4]);
2340         snd_printd("   inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
2341                    " cd=0x%x, aux=0x%x\n",
2342                    cfg->input_pins[AUTO_PIN_MIC],
2343                    cfg->input_pins[AUTO_PIN_FRONT_MIC],
2344                    cfg->input_pins[AUTO_PIN_LINE],
2345                    cfg->input_pins[AUTO_PIN_FRONT_LINE],
2346                    cfg->input_pins[AUTO_PIN_CD],
2347                    cfg->input_pins[AUTO_PIN_AUX]);
2348
2349         return 0;
2350 }
2351
2352 /* labels for input pins */
2353 const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
2354         "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
2355 };
2356
2357
2358 #ifdef CONFIG_PM
2359 /*
2360  * power management
2361  */
2362
2363 /**
2364  * snd_hda_suspend - suspend the codecs
2365  * @bus: the HDA bus
2366  * @state: suspsend state
2367  *
2368  * Returns 0 if successful.
2369  */
2370 int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
2371 {
2372         struct hda_codec *codec;
2373
2374         /* FIXME: should handle power widget capabilities */
2375         list_for_each_entry(codec, &bus->codec_list, list) {
2376                 if (codec->patch_ops.suspend)
2377                         codec->patch_ops.suspend(codec, state);
2378                 hda_set_power_state(codec,
2379                                     codec->afg ? codec->afg : codec->mfg,
2380                                     AC_PWRST_D3);
2381         }
2382         return 0;
2383 }
2384
2385 /**
2386  * snd_hda_resume - resume the codecs
2387  * @bus: the HDA bus
2388  * @state: resume state
2389  *
2390  * Returns 0 if successful.
2391  */
2392 int snd_hda_resume(struct hda_bus *bus)
2393 {
2394         struct hda_codec *codec;
2395
2396         list_for_each_entry(codec, &bus->codec_list, list) {
2397                 hda_set_power_state(codec,
2398                                     codec->afg ? codec->afg : codec->mfg,
2399                                     AC_PWRST_D0);
2400                 if (codec->patch_ops.resume)
2401                         codec->patch_ops.resume(codec);
2402         }
2403         return 0;
2404 }
2405
2406 /**
2407  * snd_hda_resume_ctls - resume controls in the new control list
2408  * @codec: the HDA codec
2409  * @knew: the array of struct snd_kcontrol_new
2410  *
2411  * This function resumes the mixer controls in the struct snd_kcontrol_new array,
2412  * originally for snd_hda_add_new_ctls().
2413  * The array must be terminated with an empty entry as terminator.
2414  */
2415 int snd_hda_resume_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
2416 {
2417         struct snd_ctl_elem_value *val;
2418
2419         val = kmalloc(sizeof(*val), GFP_KERNEL);
2420         if (!val)
2421                 return -ENOMEM;
2422         codec->in_resume = 1;
2423         for (; knew->name; knew++) {
2424                 int i, count;
2425                 count = knew->count ? knew->count : 1;
2426                 for (i = 0; i < count; i++) {
2427                         memset(val, 0, sizeof(*val));
2428                         val->id.iface = knew->iface;
2429                         val->id.device = knew->device;
2430                         val->id.subdevice = knew->subdevice;
2431                         strcpy(val->id.name, knew->name);
2432                         val->id.index = knew->index ? knew->index : i;
2433                         /* Assume that get callback reads only from cache,
2434                          * not accessing to the real hardware
2435                          */
2436                         if (snd_ctl_elem_read(codec->bus->card, val) < 0)
2437                                 continue;
2438                         snd_ctl_elem_write(codec->bus->card, NULL, val);
2439                 }
2440         }
2441         codec->in_resume = 0;
2442         kfree(val);
2443         return 0;
2444 }
2445
2446 /**
2447  * snd_hda_resume_spdif_out - resume the digital out
2448  * @codec: the HDA codec
2449  */
2450 int snd_hda_resume_spdif_out(struct hda_codec *codec)
2451 {
2452         return snd_hda_resume_ctls(codec, dig_mixes);
2453 }
2454
2455 /**
2456  * snd_hda_resume_spdif_in - resume the digital in
2457  * @codec: the HDA codec
2458  */
2459 int snd_hda_resume_spdif_in(struct hda_codec *codec)
2460 {
2461         return snd_hda_resume_ctls(codec, dig_in_ctls);
2462 }
2463 #endif