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airport: remove useless return in a function returning void
[linux/fpc-iii.git] / sound / pci / hda / hda_codec.c
blobeb9164176dab4e3fd0ccb006b77ac5f2eff6dcab
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 <linux/init.h>
23 #include <linux/delay.h>
24 #include <linux/slab.h>
25 #include <linux/pci.h>
26 #include <linux/mutex.h>
27 #include <sound/core.h>
28 #include "hda_codec.h"
29 #include <sound/asoundef.h>
30 #include <sound/tlv.h>
31 #include <sound/initval.h>
32 #include "hda_local.h"
33 #include <sound/hda_hwdep.h>
34 #include "hda_patch.h" /* codec presets */
35
36 #ifdef CONFIG_SND_HDA_POWER_SAVE
37 /* define this option here to hide as static */
38 static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
39 module_param(power_save, int, 0644);
40 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
41 "(in second, 0 = disable).");
42 #endif
43
44 /*
45 * vendor / preset table
46 */
47
48 struct hda_vendor_id {
49 unsigned int id;
50 const char *name;
51 };
52
53 /* codec vendor labels */
54 static struct hda_vendor_id hda_vendor_ids[] = {
55 { 0x1002, "ATI" },
56 { 0x1057, "Motorola" },
57 { 0x1095, "Silicon Image" },
58 { 0x10ec, "Realtek" },
59 { 0x1106, "VIA" },
60 { 0x111d, "IDT" },
61 { 0x11c1, "LSI" },
62 { 0x11d4, "Analog Devices" },
63 { 0x13f6, "C-Media" },
64 { 0x14f1, "Conexant" },
65 { 0x17e8, "Chrontel" },
66 { 0x1854, "LG" },
67 { 0x1aec, "Wolfson Microelectronics" },
68 { 0x434d, "C-Media" },
69 { 0x8384, "SigmaTel" },
70 {} /* terminator */
71 };
72
73 static const struct hda_codec_preset *hda_preset_tables[] = {
74 #ifdef CONFIG_SND_HDA_CODEC_REALTEK
75 snd_hda_preset_realtek,
76 #endif
77 #ifdef CONFIG_SND_HDA_CODEC_CMEDIA
78 snd_hda_preset_cmedia,
79 #endif
80 #ifdef CONFIG_SND_HDA_CODEC_ANALOG
81 snd_hda_preset_analog,
82 #endif
83 #ifdef CONFIG_SND_HDA_CODEC_SIGMATEL
84 snd_hda_preset_sigmatel,
85 #endif
86 #ifdef CONFIG_SND_HDA_CODEC_SI3054
87 snd_hda_preset_si3054,
88 #endif
89 #ifdef CONFIG_SND_HDA_CODEC_ATIHDMI
90 snd_hda_preset_atihdmi,
91 #endif
92 #ifdef CONFIG_SND_HDA_CODEC_CONEXANT
93 snd_hda_preset_conexant,
94 #endif
95 #ifdef CONFIG_SND_HDA_CODEC_VIA
96 snd_hda_preset_via,
97 #endif
98 #ifdef CONFIG_SND_HDA_CODEC_NVHDMI
99 snd_hda_preset_nvhdmi,
100 #endif
101 NULL
102 };
103
104 #ifdef CONFIG_SND_HDA_POWER_SAVE
105 static void hda_power_work(struct work_struct *work);
106 static void hda_keep_power_on(struct hda_codec *codec);
107 #else
108 static inline void hda_keep_power_on(struct hda_codec *codec) {}
109 #endif
110
111 /**
112 * snd_hda_codec_read - send a command and get the response
113 * @codec: the HDA codec
114 * @nid: NID to send the command
115 * @direct: direct flag
116 * @verb: the verb to send
117 * @parm: the parameter for the verb
118 *
119 * Send a single command and read the corresponding response.
120 *
121 * Returns the obtained response value, or -1 for an error.
122 */
123 unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
124 int direct,
125 unsigned int verb, unsigned int parm)
126 {
127 unsigned int res;
128 snd_hda_power_up(codec);
129 mutex_lock(&codec->bus->cmd_mutex);
130 if (!codec->bus->ops.command(codec, nid, direct, verb, parm))
131 res = codec->bus->ops.get_response(codec);
132 else
133 res = (unsigned int)-1;
134 mutex_unlock(&codec->bus->cmd_mutex);
135 snd_hda_power_down(codec);
136 return res;
137 }
138
139 /**
140 * snd_hda_codec_write - send a single command without waiting for response
141 * @codec: the HDA codec
142 * @nid: NID to send the command
143 * @direct: direct flag
144 * @verb: the verb to send
145 * @parm: the parameter for the verb
146 *
147 * Send a single command without waiting for response.
148 *
149 * Returns 0 if successful, or a negative error code.
150 */
151 int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
152 unsigned int verb, unsigned int parm)
153 {
154 int err;
155 snd_hda_power_up(codec);
156 mutex_lock(&codec->bus->cmd_mutex);
157 err = codec->bus->ops.command(codec, nid, direct, verb, parm);
158 mutex_unlock(&codec->bus->cmd_mutex);
159 snd_hda_power_down(codec);
160 return err;
161 }
162
163 /**
164 * snd_hda_sequence_write - sequence writes
165 * @codec: the HDA codec
166 * @seq: VERB array to send
167 *
168 * Send the commands sequentially from the given array.
169 * The array must be terminated with NID=0.
170 */
171 void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
172 {
173 for (; seq->nid; seq++)
174 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
175 }
176
177 /**
178 * snd_hda_get_sub_nodes - get the range of sub nodes
179 * @codec: the HDA codec
180 * @nid: NID to parse
181 * @start_id: the pointer to store the start NID
182 *
183 * Parse the NID and store the start NID of its sub-nodes.
184 * Returns the number of sub-nodes.
185 */
186 int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
187 hda_nid_t *start_id)
188 {
189 unsigned int parm;
190
191 parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
192 if (parm == -1)
193 return 0;
194 *start_id = (parm >> 16) & 0x7fff;
195 return (int)(parm & 0x7fff);
196 }
197
198 /**
199 * snd_hda_get_connections - get connection list
200 * @codec: the HDA codec
201 * @nid: NID to parse
202 * @conn_list: connection list array
203 * @max_conns: max. number of connections to store
204 *
205 * Parses the connection list of the given widget and stores the list
206 * of NIDs.
207 *
208 * Returns the number of connections, or a negative error code.
209 */
210 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
211 hda_nid_t *conn_list, int max_conns)
212 {
213 unsigned int parm;
214 int i, conn_len, conns;
215 unsigned int shift, num_elems, mask;
216 hda_nid_t prev_nid;
217
218 if (snd_BUG_ON(!conn_list || max_conns <= 0))
219 return -EINVAL;
220
221 parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN);
222 if (parm & AC_CLIST_LONG) {
223 /* long form */
224 shift = 16;
225 num_elems = 2;
226 } else {
227 /* short form */
228 shift = 8;
229 num_elems = 4;
230 }
231 conn_len = parm & AC_CLIST_LENGTH;
232 mask = (1 << (shift-1)) - 1;
233
234 if (!conn_len)
235 return 0; /* no connection */
236
237 if (conn_len == 1) {
238 /* single connection */
239 parm = snd_hda_codec_read(codec, nid, 0,
240 AC_VERB_GET_CONNECT_LIST, 0);
241 conn_list[0] = parm & mask;
242 return 1;
243 }
244
245 /* multi connection */
246 conns = 0;
247 prev_nid = 0;
248 for (i = 0; i < conn_len; i++) {
249 int range_val;
250 hda_nid_t val, n;
251
252 if (i % num_elems == 0)
253 parm = snd_hda_codec_read(codec, nid, 0,
254 AC_VERB_GET_CONNECT_LIST, i);
255 range_val = !!(parm & (1 << (shift-1))); /* ranges */
256 val = parm & mask;
257 parm >>= shift;
258 if (range_val) {
259 /* ranges between the previous and this one */
260 if (!prev_nid || prev_nid >= val) {
261 snd_printk(KERN_WARNING "hda_codec: "
262 "invalid dep_range_val %x:%x\n",
263 prev_nid, val);
264 continue;
265 }
266 for (n = prev_nid + 1; n <= val; n++) {
267 if (conns >= max_conns) {
268 snd_printk(KERN_ERR
269 "Too many connections\n");
270 return -EINVAL;
271 }
272 conn_list[conns++] = n;
273 }
274 } else {
275 if (conns >= max_conns) {
276 snd_printk(KERN_ERR "Too many connections\n");
277 return -EINVAL;
278 }
279 conn_list[conns++] = val;
280 }
281 prev_nid = val;
282 }
283 return conns;
284 }
285
286
287 /**
288 * snd_hda_queue_unsol_event - add an unsolicited event to queue
289 * @bus: the BUS
290 * @res: unsolicited event (lower 32bit of RIRB entry)
291 * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
292 *
293 * Adds the given event to the queue. The events are processed in
294 * the workqueue asynchronously. Call this function in the interrupt
295 * hanlder when RIRB receives an unsolicited event.
296 *
297 * Returns 0 if successful, or a negative error code.
298 */
299 int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
300 {
301 struct hda_bus_unsolicited *unsol;
302 unsigned int wp;
303
304 unsol = bus->unsol;
305 if (!unsol)
306 return 0;
307
308 wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
309 unsol->wp = wp;
310
311 wp <<= 1;
312 unsol->queue[wp] = res;
313 unsol->queue[wp + 1] = res_ex;
314
315 schedule_work(&unsol->work);
316
317 return 0;
318 }
319
320 /*
321 * process queued unsolicited events
322 */
323 static void process_unsol_events(struct work_struct *work)
324 {
325 struct hda_bus_unsolicited *unsol =
326 container_of(work, struct hda_bus_unsolicited, work);
327 struct hda_bus *bus = unsol->bus;
328 struct hda_codec *codec;
329 unsigned int rp, caddr, res;
330
331 while (unsol->rp != unsol->wp) {
332 rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE;
333 unsol->rp = rp;
334 rp <<= 1;
335 res = unsol->queue[rp];
336 caddr = unsol->queue[rp + 1];
337 if (!(caddr & (1 << 4))) /* no unsolicited event? */
338 continue;
339 codec = bus->caddr_tbl[caddr & 0x0f];
340 if (codec && codec->patch_ops.unsol_event)
341 codec->patch_ops.unsol_event(codec, res);
342 }
343 }
344
345 /*
346 * initialize unsolicited queue
347 */
348 static int __devinit init_unsol_queue(struct hda_bus *bus)
349 {
350 struct hda_bus_unsolicited *unsol;
351
352 if (bus->unsol) /* already initialized */
353 return 0;
354
355 unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
356 if (!unsol) {
357 snd_printk(KERN_ERR "hda_codec: "
358 "can't allocate unsolicited queue\n");
359 return -ENOMEM;
360 }
361 INIT_WORK(&unsol->work, process_unsol_events);
362 unsol->bus = bus;
363 bus->unsol = unsol;
364 return 0;
365 }
366
367 /*
368 * destructor
369 */
370 static void snd_hda_codec_free(struct hda_codec *codec);
371
372 static int snd_hda_bus_free(struct hda_bus *bus)
373 {
374 struct hda_codec *codec, *n;
375
376 if (!bus)
377 return 0;
378 if (bus->unsol) {
379 flush_scheduled_work();
380 kfree(bus->unsol);
381 }
382 list_for_each_entry_safe(codec, n, &bus->codec_list, list) {
383 snd_hda_codec_free(codec);
384 }
385 if (bus->ops.private_free)
386 bus->ops.private_free(bus);
387 kfree(bus);
388 return 0;
389 }
390
391 static int snd_hda_bus_dev_free(struct snd_device *device)
392 {
393 struct hda_bus *bus = device->device_data;
394 return snd_hda_bus_free(bus);
395 }
396
397 /**
398 * snd_hda_bus_new - create a HDA bus
399 * @card: the card entry
400 * @temp: the template for hda_bus information
401 * @busp: the pointer to store the created bus instance
402 *
403 * Returns 0 if successful, or a negative error code.
404 */
405 int __devinit snd_hda_bus_new(struct snd_card *card,
406 const struct hda_bus_template *temp,
407 struct hda_bus **busp)
408 {
409 struct hda_bus *bus;
410 int err;
411 static struct snd_device_ops dev_ops = {
412 .dev_free = snd_hda_bus_dev_free,
413 };
414
415 if (snd_BUG_ON(!temp))
416 return -EINVAL;
417 if (snd_BUG_ON(!temp->ops.command || !temp->ops.get_response))
418 return -EINVAL;
419
420 if (busp)
421 *busp = NULL;
422
423 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
424 if (bus == NULL) {
425 snd_printk(KERN_ERR "can't allocate struct hda_bus\n");
426 return -ENOMEM;
427 }
428
429 bus->card = card;
430 bus->private_data = temp->private_data;
431 bus->pci = temp->pci;
432 bus->modelname = temp->modelname;
433 bus->ops = temp->ops;
434
435 mutex_init(&bus->cmd_mutex);
436 INIT_LIST_HEAD(&bus->codec_list);
437
438 err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
439 if (err < 0) {
440 snd_hda_bus_free(bus);
441 return err;
442 }
443 if (busp)
444 *busp = bus;
445 return 0;
446 }
447
448 #ifdef CONFIG_SND_HDA_GENERIC
449 #define is_generic_config(codec) \
450 (codec->bus->modelname && !strcmp(codec->bus->modelname, "generic"))
451 #else
452 #define is_generic_config(codec) 0
453 #endif
454
455 /*
456 * find a matching codec preset
457 */
458 static const struct hda_codec_preset __devinit *
459 find_codec_preset(struct hda_codec *codec)
460 {
461 const struct hda_codec_preset **tbl, *preset;
462
463 if (is_generic_config(codec))
464 return NULL; /* use the generic parser */
465
466 for (tbl = hda_preset_tables; *tbl; tbl++) {
467 for (preset = *tbl; preset->id; preset++) {
468 u32 mask = preset->mask;
469 if (preset->afg && preset->afg != codec->afg)
470 continue;
471 if (preset->mfg && preset->mfg != codec->mfg)
472 continue;
473 if (!mask)
474 mask = ~0;
475 if (preset->id == (codec->vendor_id & mask) &&
476 (!preset->rev ||
477 preset->rev == codec->revision_id))
478 return preset;
479 }
480 }
481 return NULL;
482 }
483
484 /*
485 * snd_hda_get_codec_name - store the codec name
486 */
487 void snd_hda_get_codec_name(struct hda_codec *codec,
488 char *name, int namelen)
489 {
490 const struct hda_vendor_id *c;
491 const char *vendor = NULL;
492 u16 vendor_id = codec->vendor_id >> 16;
493 char tmp[16];
494
495 for (c = hda_vendor_ids; c->id; c++) {
496 if (c->id == vendor_id) {
497 vendor = c->name;
498 break;
499 }
500 }
501 if (!vendor) {
502 sprintf(tmp, "Generic %04x", vendor_id);
503 vendor = tmp;
504 }
505 if (codec->preset && codec->preset->name)
506 snprintf(name, namelen, "%s %s", vendor, codec->preset->name);
507 else
508 snprintf(name, namelen, "%s ID %x", vendor,
509 codec->vendor_id & 0xffff);
510 }
511
512 /*
513 * look for an AFG and MFG nodes
514 */
515 static void __devinit setup_fg_nodes(struct hda_codec *codec)
516 {
517 int i, total_nodes;
518 hda_nid_t nid;
519
520 total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
521 for (i = 0; i < total_nodes; i++, nid++) {
522 unsigned int func;
523 func = snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE);
524 switch (func & 0xff) {
525 case AC_GRP_AUDIO_FUNCTION:
526 codec->afg = nid;
527 break;
528 case AC_GRP_MODEM_FUNCTION:
529 codec->mfg = nid;
530 break;
531 default:
532 break;
533 }
534 }
535 }
536
537 /*
538 * read widget caps for each widget and store in cache
539 */
540 static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
541 {
542 int i;
543 hda_nid_t nid;
544
545 codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node,
546 &codec->start_nid);
547 codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL);
548 if (!codec->wcaps)
549 return -ENOMEM;
550 nid = codec->start_nid;
551 for (i = 0; i < codec->num_nodes; i++, nid++)
552 codec->wcaps[i] = snd_hda_param_read(codec, nid,
553 AC_PAR_AUDIO_WIDGET_CAP);
554 return 0;
555 }
556
557
558 static void init_hda_cache(struct hda_cache_rec *cache,
559 unsigned int record_size);
560 static void free_hda_cache(struct hda_cache_rec *cache);
561
562 /*
563 * codec destructor
564 */
565 static void snd_hda_codec_free(struct hda_codec *codec)
566 {
567 if (!codec)
568 return;
569 #ifdef CONFIG_SND_HDA_POWER_SAVE
570 cancel_delayed_work(&codec->power_work);
571 flush_scheduled_work();
572 #endif
573 list_del(&codec->list);
574 codec->bus->caddr_tbl[codec->addr] = NULL;
575 if (codec->patch_ops.free)
576 codec->patch_ops.free(codec);
577 free_hda_cache(&codec->amp_cache);
578 free_hda_cache(&codec->cmd_cache);
579 kfree(codec->wcaps);
580 kfree(codec);
581 }
582
583 /**
584 * snd_hda_codec_new - create a HDA codec
585 * @bus: the bus to assign
586 * @codec_addr: the codec address
587 * @codecp: the pointer to store the generated codec
588 *
589 * Returns 0 if successful, or a negative error code.
590 */
591 int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
592 struct hda_codec **codecp)
593 {
594 struct hda_codec *codec;
595 char component[31];
596 int err;
597
598 if (snd_BUG_ON(!bus))
599 return -EINVAL;
600 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
601 return -EINVAL;
602
603 if (bus->caddr_tbl[codec_addr]) {
604 snd_printk(KERN_ERR "hda_codec: "
605 "address 0x%x is already occupied\n", codec_addr);
606 return -EBUSY;
607 }
608
609 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
610 if (codec == NULL) {
611 snd_printk(KERN_ERR "can't allocate struct hda_codec\n");
612 return -ENOMEM;
613 }
614
615 codec->bus = bus;
616 codec->addr = codec_addr;
617 mutex_init(&codec->spdif_mutex);
618 init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
619 init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
620
621 #ifdef CONFIG_SND_HDA_POWER_SAVE
622 INIT_DELAYED_WORK(&codec->power_work, hda_power_work);
623 /* snd_hda_codec_new() marks the codec as power-up, and leave it as is.
624 * the caller has to power down appropriatley after initialization
625 * phase.
626 */
627 hda_keep_power_on(codec);
628 #endif
629
630 list_add_tail(&codec->list, &bus->codec_list);
631 bus->caddr_tbl[codec_addr] = codec;
632
633 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
634 AC_PAR_VENDOR_ID);
635 if (codec->vendor_id == -1)
636 /* read again, hopefully the access method was corrected
637 * in the last read...
638 */
639 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
640 AC_PAR_VENDOR_ID);
641 codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT,
642 AC_PAR_SUBSYSTEM_ID);
643 codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT,
644 AC_PAR_REV_ID);
645
646 setup_fg_nodes(codec);
647 if (!codec->afg && !codec->mfg) {
648 snd_printdd("hda_codec: no AFG or MFG node found\n");
649 snd_hda_codec_free(codec);
650 return -ENODEV;
651 }
652
653 if (read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg) < 0) {
654 snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
655 snd_hda_codec_free(codec);
656 return -ENOMEM;
657 }
658
659 if (!codec->subsystem_id) {
660 hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
661 codec->subsystem_id =
662 snd_hda_codec_read(codec, nid, 0,
663 AC_VERB_GET_SUBSYSTEM_ID, 0);
664 }
665
666 codec->preset = find_codec_preset(codec);
667 /* audio codec should override the mixer name */
668 if (codec->afg || !*bus->card->mixername)
669 snd_hda_get_codec_name(codec, bus->card->mixername,
670 sizeof(bus->card->mixername));
671
672 if (is_generic_config(codec)) {
673 err = snd_hda_parse_generic_codec(codec);
674 goto patched;
675 }
676 if (codec->preset && codec->preset->patch) {
677 err = codec->preset->patch(codec);
678 goto patched;
679 }
680
681 /* call the default parser */
682 err = snd_hda_parse_generic_codec(codec);
683 if (err < 0)
684 printk(KERN_ERR "hda-codec: No codec parser is available\n");
685
686 patched:
687 if (err < 0) {
688 snd_hda_codec_free(codec);
689 return err;
690 }
691
692 if (codec->patch_ops.unsol_event)
693 init_unsol_queue(bus);
694
695 snd_hda_codec_proc_new(codec);
696 #ifdef CONFIG_SND_HDA_HWDEP
697 snd_hda_create_hwdep(codec);
698 #endif
699
700 sprintf(component, "HDA:%08x,%08x,%08x", codec->vendor_id, codec->subsystem_id, codec->revision_id);
701 snd_component_add(codec->bus->card, component);
702
703 if (codecp)
704 *codecp = codec;
705 return 0;
706 }
707
708 /**
709 * snd_hda_codec_setup_stream - set up the codec for streaming
710 * @codec: the CODEC to set up
711 * @nid: the NID to set up
712 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
713 * @channel_id: channel id to pass, zero based.
714 * @format: stream format.
715 */
716 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
717 u32 stream_tag,
718 int channel_id, int format)
719 {
720 if (!nid)
721 return;
722
723 snd_printdd("hda_codec_setup_stream: "
724 "NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
725 nid, stream_tag, channel_id, format);
726 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID,
727 (stream_tag << 4) | channel_id);
728 msleep(1);
729 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
730 }
731
732 void snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid)
733 {
734 if (!nid)
735 return;
736
737 snd_printdd("hda_codec_cleanup_stream: NID=0x%x\n", nid);
738 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
739 #if 0 /* keep the format */
740 msleep(1);
741 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0);
742 #endif
743 }
744
745 /*
746 * amp access functions
747 */
748
749 /* FIXME: more better hash key? */
750 #define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
751 #define INFO_AMP_CAPS (1<<0)
752 #define INFO_AMP_VOL(ch) (1 << (1 + (ch)))
753
754 /* initialize the hash table */
755 static void __devinit init_hda_cache(struct hda_cache_rec *cache,
756 unsigned int record_size)
757 {
758 memset(cache, 0, sizeof(*cache));
759 memset(cache->hash, 0xff, sizeof(cache->hash));
760 cache->record_size = record_size;
761 }
762
763 static void free_hda_cache(struct hda_cache_rec *cache)
764 {
765 kfree(cache->buffer);
766 }
767
768 /* query the hash. allocate an entry if not found. */
769 static struct hda_cache_head *get_alloc_hash(struct hda_cache_rec *cache,
770 u32 key)
771 {
772 u16 idx = key % (u16)ARRAY_SIZE(cache->hash);
773 u16 cur = cache->hash[idx];
774 struct hda_cache_head *info;
775
776 while (cur != 0xffff) {
777 info = (struct hda_cache_head *)(cache->buffer +
778 cur * cache->record_size);
779 if (info->key == key)
780 return info;
781 cur = info->next;
782 }
783
784 /* add a new hash entry */
785 if (cache->num_entries >= cache->size) {
786 /* reallocate the array */
787 unsigned int new_size = cache->size + 64;
788 void *new_buffer;
789 new_buffer = kcalloc(new_size, cache->record_size, GFP_KERNEL);
790 if (!new_buffer) {
791 snd_printk(KERN_ERR "hda_codec: "
792 "can't malloc amp_info\n");
793 return NULL;
794 }
795 if (cache->buffer) {
796 memcpy(new_buffer, cache->buffer,
797 cache->size * cache->record_size);
798 kfree(cache->buffer);
799 }
800 cache->size = new_size;
801 cache->buffer = new_buffer;
802 }
803 cur = cache->num_entries++;
804 info = (struct hda_cache_head *)(cache->buffer +
805 cur * cache->record_size);
806 info->key = key;
807 info->val = 0;
808 info->next = cache->hash[idx];
809 cache->hash[idx] = cur;
810
811 return info;
812 }
813
814 /* query and allocate an amp hash entry */
815 static inline struct hda_amp_info *
816 get_alloc_amp_hash(struct hda_codec *codec, u32 key)
817 {
818 return (struct hda_amp_info *)get_alloc_hash(&codec->amp_cache, key);
819 }
820
821 /*
822 * query AMP capabilities for the given widget and direction
823 */
824 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
825 {
826 struct hda_amp_info *info;
827
828 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0));
829 if (!info)
830 return 0;
831 if (!(info->head.val & INFO_AMP_CAPS)) {
832 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
833 nid = codec->afg;
834 info->amp_caps = snd_hda_param_read(codec, nid,
835 direction == HDA_OUTPUT ?
836 AC_PAR_AMP_OUT_CAP :
837 AC_PAR_AMP_IN_CAP);
838 if (info->amp_caps)
839 info->head.val |= INFO_AMP_CAPS;
840 }
841 return info->amp_caps;
842 }
843
844 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
845 unsigned int caps)
846 {
847 struct hda_amp_info *info;
848
849 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, dir, 0));
850 if (!info)
851 return -EINVAL;
852 info->amp_caps = caps;
853 info->head.val |= INFO_AMP_CAPS;
854 return 0;
855 }
856
857 /*
858 * read the current volume to info
859 * if the cache exists, read the cache value.
860 */
861 static unsigned int get_vol_mute(struct hda_codec *codec,
862 struct hda_amp_info *info, hda_nid_t nid,
863 int ch, int direction, int index)
864 {
865 u32 val, parm;
866
867 if (info->head.val & INFO_AMP_VOL(ch))
868 return info->vol[ch];
869
870 parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
871 parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
872 parm |= index;
873 val = snd_hda_codec_read(codec, nid, 0,
874 AC_VERB_GET_AMP_GAIN_MUTE, parm);
875 info->vol[ch] = val & 0xff;
876 info->head.val |= INFO_AMP_VOL(ch);
877 return info->vol[ch];
878 }
879
880 /*
881 * write the current volume in info to the h/w and update the cache
882 */
883 static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
884 hda_nid_t nid, int ch, int direction, int index,
885 int val)
886 {
887 u32 parm;
888
889 parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
890 parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
891 parm |= index << AC_AMP_SET_INDEX_SHIFT;
892 parm |= val;
893 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
894 info->vol[ch] = val;
895 }
896
897 /*
898 * read AMP value. The volume is between 0 to 0x7f, 0x80 = mute bit.
899 */
900 int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
901 int direction, int index)
902 {
903 struct hda_amp_info *info;
904 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
905 if (!info)
906 return 0;
907 return get_vol_mute(codec, info, nid, ch, direction, index);
908 }
909
910 /*
911 * update the AMP value, mask = bit mask to set, val = the value
912 */
913 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
914 int direction, int idx, int mask, int val)
915 {
916 struct hda_amp_info *info;
917
918 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx));
919 if (!info)
920 return 0;
921 val &= mask;
922 val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask;
923 if (info->vol[ch] == val)
924 return 0;
925 put_vol_mute(codec, info, nid, ch, direction, idx, val);
926 return 1;
927 }
928
929 /*
930 * update the AMP stereo with the same mask and value
931 */
932 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
933 int direction, int idx, int mask, int val)
934 {
935 int ch, ret = 0;
936 for (ch = 0; ch < 2; ch++)
937 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
938 idx, mask, val);
939 return ret;
940 }
941
942 #ifdef SND_HDA_NEEDS_RESUME
943 /* resume the all amp commands from the cache */
944 void snd_hda_codec_resume_amp(struct hda_codec *codec)
945 {
946 struct hda_amp_info *buffer = codec->amp_cache.buffer;
947 int i;
948
949 for (i = 0; i < codec->amp_cache.size; i++, buffer++) {
950 u32 key = buffer->head.key;
951 hda_nid_t nid;
952 unsigned int idx, dir, ch;
953 if (!key)
954 continue;
955 nid = key & 0xff;
956 idx = (key >> 16) & 0xff;
957 dir = (key >> 24) & 0xff;
958 for (ch = 0; ch < 2; ch++) {
959 if (!(buffer->head.val & INFO_AMP_VOL(ch)))
960 continue;
961 put_vol_mute(codec, buffer, nid, ch, dir, idx,
962 buffer->vol[ch]);
963 }
964 }
965 }
966 #endif /* SND_HDA_NEEDS_RESUME */
967
968 /* volume */
969 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
970 struct snd_ctl_elem_info *uinfo)
971 {
972 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
973 u16 nid = get_amp_nid(kcontrol);
974 u8 chs = get_amp_channels(kcontrol);
975 int dir = get_amp_direction(kcontrol);
976 u32 caps;
977
978 caps = query_amp_caps(codec, nid, dir);
979 /* num steps */
980 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
981 if (!caps) {
982 printk(KERN_WARNING "hda_codec: "
983 "num_steps = 0 for NID=0x%x (ctl = %s)\n", nid,
984 kcontrol->id.name);
985 return -EINVAL;
986 }
987 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
988 uinfo->count = chs == 3 ? 2 : 1;
989 uinfo->value.integer.min = 0;
990 uinfo->value.integer.max = caps;
991 return 0;
992 }
993
994 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
995 struct snd_ctl_elem_value *ucontrol)
996 {
997 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
998 hda_nid_t nid = get_amp_nid(kcontrol);
999 int chs = get_amp_channels(kcontrol);
1000 int dir = get_amp_direction(kcontrol);
1001 int idx = get_amp_index(kcontrol);
1002 long *valp = ucontrol->value.integer.value;
1003
1004 if (chs & 1)
1005 *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx)
1006 & HDA_AMP_VOLMASK;
1007 if (chs & 2)
1008 *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx)
1009 & HDA_AMP_VOLMASK;
1010 return 0;
1011 }
1012
1013 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1014 struct snd_ctl_elem_value *ucontrol)
1015 {
1016 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1017 hda_nid_t nid = get_amp_nid(kcontrol);
1018 int chs = get_amp_channels(kcontrol);
1019 int dir = get_amp_direction(kcontrol);
1020 int idx = get_amp_index(kcontrol);
1021 long *valp = ucontrol->value.integer.value;
1022 int change = 0;
1023
1024 snd_hda_power_up(codec);
1025 if (chs & 1) {
1026 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
1027 0x7f, *valp);
1028 valp++;
1029 }
1030 if (chs & 2)
1031 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
1032 0x7f, *valp);
1033 snd_hda_power_down(codec);
1034 return change;
1035 }
1036
1037 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1038 unsigned int size, unsigned int __user *_tlv)
1039 {
1040 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1041 hda_nid_t nid = get_amp_nid(kcontrol);
1042 int dir = get_amp_direction(kcontrol);
1043 u32 caps, val1, val2;
1044
1045 if (size < 4 * sizeof(unsigned int))
1046 return -ENOMEM;
1047 caps = query_amp_caps(codec, nid, dir);
1048 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1049 val2 = (val2 + 1) * 25;
1050 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1051 val1 = ((int)val1) * ((int)val2);
1052 if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
1053 return -EFAULT;
1054 if (put_user(2 * sizeof(unsigned int), _tlv + 1))
1055 return -EFAULT;
1056 if (put_user(val1, _tlv + 2))
1057 return -EFAULT;
1058 if (put_user(val2, _tlv + 3))
1059 return -EFAULT;
1060 return 0;
1061 }
1062
1063 /*
1064 * set (static) TLV for virtual master volume; recalculated as max 0dB
1065 */
1066 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1067 unsigned int *tlv)
1068 {
1069 u32 caps;
1070 int nums, step;
1071
1072 caps = query_amp_caps(codec, nid, dir);
1073 nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1074 step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1075 step = (step + 1) * 25;
1076 tlv[0] = SNDRV_CTL_TLVT_DB_SCALE;
1077 tlv[1] = 2 * sizeof(unsigned int);
1078 tlv[2] = -nums * step;
1079 tlv[3] = step;
1080 }
1081
1082 /* find a mixer control element with the given name */
1083 static struct snd_kcontrol *
1084 _snd_hda_find_mixer_ctl(struct hda_codec *codec,
1085 const char *name, int idx)
1086 {
1087 struct snd_ctl_elem_id id;
1088 memset(&id, 0, sizeof(id));
1089 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1090 id.index = idx;
1091 strcpy(id.name, name);
1092 return snd_ctl_find_id(codec->bus->card, &id);
1093 }
1094
1095 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1096 const char *name)
1097 {
1098 return _snd_hda_find_mixer_ctl(codec, name, 0);
1099 }
1100
1101 /* create a virtual master control and add slaves */
1102 int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
1103 unsigned int *tlv, const char **slaves)
1104 {
1105 struct snd_kcontrol *kctl;
1106 const char **s;
1107 int err;
1108
1109 for (s = slaves; *s && !snd_hda_find_mixer_ctl(codec, *s); s++)
1110 ;
1111 if (!*s) {
1112 snd_printdd("No slave found for %s\n", name);
1113 return 0;
1114 }
1115 kctl = snd_ctl_make_virtual_master(name, tlv);
1116 if (!kctl)
1117 return -ENOMEM;
1118 err = snd_ctl_add(codec->bus->card, kctl);
1119 if (err < 0)
1120 return err;
1121
1122 for (s = slaves; *s; s++) {
1123 struct snd_kcontrol *sctl;
1124
1125 sctl = snd_hda_find_mixer_ctl(codec, *s);
1126 if (!sctl) {
1127 snd_printdd("Cannot find slave %s, skipped\n", *s);
1128 continue;
1129 }
1130 err = snd_ctl_add_slave(kctl, sctl);
1131 if (err < 0)
1132 return err;
1133 }
1134 return 0;
1135 }
1136
1137 /* switch */
1138 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
1139 struct snd_ctl_elem_info *uinfo)
1140 {
1141 int chs = get_amp_channels(kcontrol);
1142
1143 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1144 uinfo->count = chs == 3 ? 2 : 1;
1145 uinfo->value.integer.min = 0;
1146 uinfo->value.integer.max = 1;
1147 return 0;
1148 }
1149
1150 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
1151 struct snd_ctl_elem_value *ucontrol)
1152 {
1153 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1154 hda_nid_t nid = get_amp_nid(kcontrol);
1155 int chs = get_amp_channels(kcontrol);
1156 int dir = get_amp_direction(kcontrol);
1157 int idx = get_amp_index(kcontrol);
1158 long *valp = ucontrol->value.integer.value;
1159
1160 if (chs & 1)
1161 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
1162 HDA_AMP_MUTE) ? 0 : 1;
1163 if (chs & 2)
1164 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
1165 HDA_AMP_MUTE) ? 0 : 1;
1166 return 0;
1167 }
1168
1169 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
1170 struct snd_ctl_elem_value *ucontrol)
1171 {
1172 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1173 hda_nid_t nid = get_amp_nid(kcontrol);
1174 int chs = get_amp_channels(kcontrol);
1175 int dir = get_amp_direction(kcontrol);
1176 int idx = get_amp_index(kcontrol);
1177 long *valp = ucontrol->value.integer.value;
1178 int change = 0;
1179
1180 snd_hda_power_up(codec);
1181 if (chs & 1) {
1182 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
1183 HDA_AMP_MUTE,
1184 *valp ? 0 : HDA_AMP_MUTE);
1185 valp++;
1186 }
1187 if (chs & 2)
1188 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
1189 HDA_AMP_MUTE,
1190 *valp ? 0 : HDA_AMP_MUTE);
1191 #ifdef CONFIG_SND_HDA_POWER_SAVE
1192 if (codec->patch_ops.check_power_status)
1193 codec->patch_ops.check_power_status(codec, nid);
1194 #endif
1195 snd_hda_power_down(codec);
1196 return change;
1197 }
1198
1199 /*
1200 * bound volume controls
1201 *
1202 * bind multiple volumes (# indices, from 0)
1203 */
1204
1205 #define AMP_VAL_IDX_SHIFT 19
1206 #define AMP_VAL_IDX_MASK (0x0f<<19)
1207
1208 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
1209 struct snd_ctl_elem_value *ucontrol)
1210 {
1211 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1212 unsigned long pval;
1213 int err;
1214
1215 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1216 pval = kcontrol->private_value;
1217 kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
1218 err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
1219 kcontrol->private_value = pval;
1220 mutex_unlock(&codec->spdif_mutex);
1221 return err;
1222 }
1223
1224 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
1225 struct snd_ctl_elem_value *ucontrol)
1226 {
1227 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1228 unsigned long pval;
1229 int i, indices, err = 0, change = 0;
1230
1231 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1232 pval = kcontrol->private_value;
1233 indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
1234 for (i = 0; i < indices; i++) {
1235 kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) |
1236 (i << AMP_VAL_IDX_SHIFT);
1237 err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
1238 if (err < 0)
1239 break;
1240 change |= err;
1241 }
1242 kcontrol->private_value = pval;
1243 mutex_unlock(&codec->spdif_mutex);
1244 return err < 0 ? err : change;
1245 }
1246
1247 /*
1248 * generic bound volume/swtich controls
1249 */
1250 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
1251 struct snd_ctl_elem_info *uinfo)
1252 {
1253 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1254 struct hda_bind_ctls *c;
1255 int err;
1256
1257 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1258 c = (struct hda_bind_ctls *)kcontrol->private_value;
1259 kcontrol->private_value = *c->values;
1260 err = c->ops->info(kcontrol, uinfo);
1261 kcontrol->private_value = (long)c;
1262 mutex_unlock(&codec->spdif_mutex);
1263 return err;
1264 }
1265
1266 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
1267 struct snd_ctl_elem_value *ucontrol)
1268 {
1269 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1270 struct hda_bind_ctls *c;
1271 int err;
1272
1273 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1274 c = (struct hda_bind_ctls *)kcontrol->private_value;
1275 kcontrol->private_value = *c->values;
1276 err = c->ops->get(kcontrol, ucontrol);
1277 kcontrol->private_value = (long)c;
1278 mutex_unlock(&codec->spdif_mutex);
1279 return err;
1280 }
1281
1282 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
1283 struct snd_ctl_elem_value *ucontrol)
1284 {
1285 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1286 struct hda_bind_ctls *c;
1287 unsigned long *vals;
1288 int err = 0, change = 0;
1289
1290 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1291 c = (struct hda_bind_ctls *)kcontrol->private_value;
1292 for (vals = c->values; *vals; vals++) {
1293 kcontrol->private_value = *vals;
1294 err = c->ops->put(kcontrol, ucontrol);
1295 if (err < 0)
1296 break;
1297 change |= err;
1298 }
1299 kcontrol->private_value = (long)c;
1300 mutex_unlock(&codec->spdif_mutex);
1301 return err < 0 ? err : change;
1302 }
1303
1304 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1305 unsigned int size, unsigned int __user *tlv)
1306 {
1307 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1308 struct hda_bind_ctls *c;
1309 int err;
1310
1311 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1312 c = (struct hda_bind_ctls *)kcontrol->private_value;
1313 kcontrol->private_value = *c->values;
1314 err = c->ops->tlv(kcontrol, op_flag, size, tlv);
1315 kcontrol->private_value = (long)c;
1316 mutex_unlock(&codec->spdif_mutex);
1317 return err;
1318 }
1319
1320 struct hda_ctl_ops snd_hda_bind_vol = {
1321 .info = snd_hda_mixer_amp_volume_info,
1322 .get = snd_hda_mixer_amp_volume_get,
1323 .put = snd_hda_mixer_amp_volume_put,
1324 .tlv = snd_hda_mixer_amp_tlv
1325 };
1326
1327 struct hda_ctl_ops snd_hda_bind_sw = {
1328 .info = snd_hda_mixer_amp_switch_info,
1329 .get = snd_hda_mixer_amp_switch_get,
1330 .put = snd_hda_mixer_amp_switch_put,
1331 .tlv = snd_hda_mixer_amp_tlv
1332 };
1333
1334 /*
1335 * SPDIF out controls
1336 */
1337
1338 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
1339 struct snd_ctl_elem_info *uinfo)
1340 {
1341 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1342 uinfo->count = 1;
1343 return 0;
1344 }
1345
1346 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
1347 struct snd_ctl_elem_value *ucontrol)
1348 {
1349 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1350 IEC958_AES0_NONAUDIO |
1351 IEC958_AES0_CON_EMPHASIS_5015 |
1352 IEC958_AES0_CON_NOT_COPYRIGHT;
1353 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
1354 IEC958_AES1_CON_ORIGINAL;
1355 return 0;
1356 }
1357
1358 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
1359 struct snd_ctl_elem_value *ucontrol)
1360 {
1361 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1362 IEC958_AES0_NONAUDIO |
1363 IEC958_AES0_PRO_EMPHASIS_5015;
1364 return 0;
1365 }
1366
1367 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
1368 struct snd_ctl_elem_value *ucontrol)
1369 {
1370 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1371
1372 ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff;
1373 ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff;
1374 ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff;
1375 ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff;
1376
1377 return 0;
1378 }
1379
1380 /* convert from SPDIF status bits to HDA SPDIF bits
1381 * bit 0 (DigEn) is always set zero (to be filled later)
1382 */
1383 static unsigned short convert_from_spdif_status(unsigned int sbits)
1384 {
1385 unsigned short val = 0;
1386
1387 if (sbits & IEC958_AES0_PROFESSIONAL)
1388 val |= AC_DIG1_PROFESSIONAL;
1389 if (sbits & IEC958_AES0_NONAUDIO)
1390 val |= AC_DIG1_NONAUDIO;
1391 if (sbits & IEC958_AES0_PROFESSIONAL) {
1392 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
1393 IEC958_AES0_PRO_EMPHASIS_5015)
1394 val |= AC_DIG1_EMPHASIS;
1395 } else {
1396 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
1397 IEC958_AES0_CON_EMPHASIS_5015)
1398 val |= AC_DIG1_EMPHASIS;
1399 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
1400 val |= AC_DIG1_COPYRIGHT;
1401 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
1402 val |= AC_DIG1_LEVEL;
1403 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
1404 }
1405 return val;
1406 }
1407
1408 /* convert to SPDIF status bits from HDA SPDIF bits
1409 */
1410 static unsigned int convert_to_spdif_status(unsigned short val)
1411 {
1412 unsigned int sbits = 0;
1413
1414 if (val & AC_DIG1_NONAUDIO)
1415 sbits |= IEC958_AES0_NONAUDIO;
1416 if (val & AC_DIG1_PROFESSIONAL)
1417 sbits |= IEC958_AES0_PROFESSIONAL;
1418 if (sbits & IEC958_AES0_PROFESSIONAL) {
1419 if (sbits & AC_DIG1_EMPHASIS)
1420 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
1421 } else {
1422 if (val & AC_DIG1_EMPHASIS)
1423 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
1424 if (!(val & AC_DIG1_COPYRIGHT))
1425 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
1426 if (val & AC_DIG1_LEVEL)
1427 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
1428 sbits |= val & (0x7f << 8);
1429 }
1430 return sbits;
1431 }
1432
1433 /* set digital convert verbs both for the given NID and its slaves */
1434 static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
1435 int verb, int val)
1436 {
1437 hda_nid_t *d;
1438
1439 snd_hda_codec_write_cache(codec, nid, 0, verb, val);
1440 d = codec->slave_dig_outs;
1441 if (!d)
1442 return;
1443 for (; *d; d++)
1444 snd_hda_codec_write_cache(codec, *d, 0, verb, val);
1445 }
1446
1447 static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
1448 int dig1, int dig2)
1449 {
1450 if (dig1 != -1)
1451 set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_1, dig1);
1452 if (dig2 != -1)
1453 set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_2, dig2);
1454 }
1455
1456 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
1457 struct snd_ctl_elem_value *ucontrol)
1458 {
1459 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1460 hda_nid_t nid = kcontrol->private_value;
1461 unsigned short val;
1462 int change;
1463
1464 mutex_lock(&codec->spdif_mutex);
1465 codec->spdif_status = ucontrol->value.iec958.status[0] |
1466 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
1467 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
1468 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
1469 val = convert_from_spdif_status(codec->spdif_status);
1470 val |= codec->spdif_ctls & 1;
1471 change = codec->spdif_ctls != val;
1472 codec->spdif_ctls = val;
1473
1474 if (change)
1475 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
1476
1477 mutex_unlock(&codec->spdif_mutex);
1478 return change;
1479 }
1480
1481 #define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
1482
1483 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
1484 struct snd_ctl_elem_value *ucontrol)
1485 {
1486 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1487
1488 ucontrol->value.integer.value[0] = codec->spdif_ctls & AC_DIG1_ENABLE;
1489 return 0;
1490 }
1491
1492 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
1493 struct snd_ctl_elem_value *ucontrol)
1494 {
1495 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1496 hda_nid_t nid = kcontrol->private_value;
1497 unsigned short val;
1498 int change;
1499
1500 mutex_lock(&codec->spdif_mutex);
1501 val = codec->spdif_ctls & ~AC_DIG1_ENABLE;
1502 if (ucontrol->value.integer.value[0])
1503 val |= AC_DIG1_ENABLE;
1504 change = codec->spdif_ctls != val;
1505 if (change) {
1506 codec->spdif_ctls = val;
1507 set_dig_out_convert(codec, nid, val & 0xff, -1);
1508 /* unmute amp switch (if any) */
1509 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
1510 (val & AC_DIG1_ENABLE))
1511 snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
1512 HDA_AMP_MUTE, 0);
1513 }
1514 mutex_unlock(&codec->spdif_mutex);
1515 return change;
1516 }
1517
1518 static struct snd_kcontrol_new dig_mixes[] = {
1519 {
1520 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1521 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1522 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1523 .info = snd_hda_spdif_mask_info,
1524 .get = snd_hda_spdif_cmask_get,
1525 },
1526 {
1527 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1528 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1529 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1530 .info = snd_hda_spdif_mask_info,
1531 .get = snd_hda_spdif_pmask_get,
1532 },
1533 {
1534 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1535 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1536 .info = snd_hda_spdif_mask_info,
1537 .get = snd_hda_spdif_default_get,
1538 .put = snd_hda_spdif_default_put,
1539 },
1540 {
1541 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1542 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1543 .info = snd_hda_spdif_out_switch_info,
1544 .get = snd_hda_spdif_out_switch_get,
1545 .put = snd_hda_spdif_out_switch_put,
1546 },
1547 { } /* end */
1548 };
1549
1550 #define SPDIF_MAX_IDX 4 /* 4 instances should be enough to probe */
1551
1552 /**
1553 * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1554 * @codec: the HDA codec
1555 * @nid: audio out widget NID
1556 *
1557 * Creates controls related with the SPDIF output.
1558 * Called from each patch supporting the SPDIF out.
1559 *
1560 * Returns 0 if successful, or a negative error code.
1561 */
1562 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid)
1563 {
1564 int err;
1565 struct snd_kcontrol *kctl;
1566 struct snd_kcontrol_new *dig_mix;
1567 int idx;
1568
1569 for (idx = 0; idx < SPDIF_MAX_IDX; idx++) {
1570 if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Playback Switch",
1571 idx))
1572 break;
1573 }
1574 if (idx >= SPDIF_MAX_IDX) {
1575 printk(KERN_ERR "hda_codec: too many IEC958 outputs\n");
1576 return -EBUSY;
1577 }
1578 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
1579 kctl = snd_ctl_new1(dig_mix, codec);
1580 kctl->id.index = idx;
1581 kctl->private_value = nid;
1582 err = snd_ctl_add(codec->bus->card, kctl);
1583 if (err < 0)
1584 return err;
1585 }
1586 codec->spdif_ctls =
1587 snd_hda_codec_read(codec, nid, 0,
1588 AC_VERB_GET_DIGI_CONVERT_1, 0);
1589 codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
1590 return 0;
1591 }
1592
1593 /*
1594 * SPDIF sharing with analog output
1595 */
1596 static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
1597 struct snd_ctl_elem_value *ucontrol)
1598 {
1599 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
1600 ucontrol->value.integer.value[0] = mout->share_spdif;
1601 return 0;
1602 }
1603
1604 static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
1605 struct snd_ctl_elem_value *ucontrol)
1606 {
1607 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
1608 mout->share_spdif = !!ucontrol->value.integer.value[0];
1609 return 0;
1610 }
1611
1612 static struct snd_kcontrol_new spdif_share_sw = {
1613 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1614 .name = "IEC958 Default PCM Playback Switch",
1615 .info = snd_ctl_boolean_mono_info,
1616 .get = spdif_share_sw_get,
1617 .put = spdif_share_sw_put,
1618 };
1619
1620 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
1621 struct hda_multi_out *mout)
1622 {
1623 if (!mout->dig_out_nid)
1624 return 0;
1625 /* ATTENTION: here mout is passed as private_data, instead of codec */
1626 return snd_ctl_add(codec->bus->card,
1627 snd_ctl_new1(&spdif_share_sw, mout));
1628 }
1629
1630 /*
1631 * SPDIF input
1632 */
1633
1634 #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
1635
1636 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
1637 struct snd_ctl_elem_value *ucontrol)
1638 {
1639 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1640
1641 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
1642 return 0;
1643 }
1644
1645 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
1646 struct snd_ctl_elem_value *ucontrol)
1647 {
1648 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1649 hda_nid_t nid = kcontrol->private_value;
1650 unsigned int val = !!ucontrol->value.integer.value[0];
1651 int change;
1652
1653 mutex_lock(&codec->spdif_mutex);
1654 change = codec->spdif_in_enable != val;
1655 if (change) {
1656 codec->spdif_in_enable = val;
1657 snd_hda_codec_write_cache(codec, nid, 0,
1658 AC_VERB_SET_DIGI_CONVERT_1, val);
1659 }
1660 mutex_unlock(&codec->spdif_mutex);
1661 return change;
1662 }
1663
1664 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
1665 struct snd_ctl_elem_value *ucontrol)
1666 {
1667 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1668 hda_nid_t nid = kcontrol->private_value;
1669 unsigned short val;
1670 unsigned int sbits;
1671
1672 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT_1, 0);
1673 sbits = convert_to_spdif_status(val);
1674 ucontrol->value.iec958.status[0] = sbits;
1675 ucontrol->value.iec958.status[1] = sbits >> 8;
1676 ucontrol->value.iec958.status[2] = sbits >> 16;
1677 ucontrol->value.iec958.status[3] = sbits >> 24;
1678 return 0;
1679 }
1680
1681 static struct snd_kcontrol_new dig_in_ctls[] = {
1682 {
1683 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1684 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
1685 .info = snd_hda_spdif_in_switch_info,
1686 .get = snd_hda_spdif_in_switch_get,
1687 .put = snd_hda_spdif_in_switch_put,
1688 },
1689 {
1690 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1691 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1692 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1693 .info = snd_hda_spdif_mask_info,
1694 .get = snd_hda_spdif_in_status_get,
1695 },
1696 { } /* end */
1697 };
1698
1699 /**
1700 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1701 * @codec: the HDA codec
1702 * @nid: audio in widget NID
1703 *
1704 * Creates controls related with the SPDIF input.
1705 * Called from each patch supporting the SPDIF in.
1706 *
1707 * Returns 0 if successful, or a negative error code.
1708 */
1709 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
1710 {
1711 int err;
1712 struct snd_kcontrol *kctl;
1713 struct snd_kcontrol_new *dig_mix;
1714 int idx;
1715
1716 for (idx = 0; idx < SPDIF_MAX_IDX; idx++) {
1717 if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Capture Switch",
1718 idx))
1719 break;
1720 }
1721 if (idx >= SPDIF_MAX_IDX) {
1722 printk(KERN_ERR "hda_codec: too many IEC958 inputs\n");
1723 return -EBUSY;
1724 }
1725 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
1726 kctl = snd_ctl_new1(dig_mix, codec);
1727 kctl->private_value = nid;
1728 err = snd_ctl_add(codec->bus->card, kctl);
1729 if (err < 0)
1730 return err;
1731 }
1732 codec->spdif_in_enable =
1733 snd_hda_codec_read(codec, nid, 0,
1734 AC_VERB_GET_DIGI_CONVERT_1, 0) &
1735 AC_DIG1_ENABLE;
1736 return 0;
1737 }
1738
1739 #ifdef SND_HDA_NEEDS_RESUME
1740 /*
1741 * command cache
1742 */
1743
1744 /* build a 32bit cache key with the widget id and the command parameter */
1745 #define build_cmd_cache_key(nid, verb) ((verb << 8) | nid)
1746 #define get_cmd_cache_nid(key) ((key) & 0xff)
1747 #define get_cmd_cache_cmd(key) (((key) >> 8) & 0xffff)
1748
1749 /**
1750 * snd_hda_codec_write_cache - send a single command with caching
1751 * @codec: the HDA codec
1752 * @nid: NID to send the command
1753 * @direct: direct flag
1754 * @verb: the verb to send
1755 * @parm: the parameter for the verb
1756 *
1757 * Send a single command without waiting for response.
1758 *
1759 * Returns 0 if successful, or a negative error code.
1760 */
1761 int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
1762 int direct, unsigned int verb, unsigned int parm)
1763 {
1764 int err;
1765 snd_hda_power_up(codec);
1766 mutex_lock(&codec->bus->cmd_mutex);
1767 err = codec->bus->ops.command(codec, nid, direct, verb, parm);
1768 if (!err) {
1769 struct hda_cache_head *c;
1770 u32 key = build_cmd_cache_key(nid, verb);
1771 c = get_alloc_hash(&codec->cmd_cache, key);
1772 if (c)
1773 c->val = parm;
1774 }
1775 mutex_unlock(&codec->bus->cmd_mutex);
1776 snd_hda_power_down(codec);
1777 return err;
1778 }
1779
1780 /* resume the all commands from the cache */
1781 void snd_hda_codec_resume_cache(struct hda_codec *codec)
1782 {
1783 struct hda_cache_head *buffer = codec->cmd_cache.buffer;
1784 int i;
1785
1786 for (i = 0; i < codec->cmd_cache.size; i++, buffer++) {
1787 u32 key = buffer->key;
1788 if (!key)
1789 continue;
1790 snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0,
1791 get_cmd_cache_cmd(key), buffer->val);
1792 }
1793 }
1794
1795 /**
1796 * snd_hda_sequence_write_cache - sequence writes with caching
1797 * @codec: the HDA codec
1798 * @seq: VERB array to send
1799 *
1800 * Send the commands sequentially from the given array.
1801 * Thte commands are recorded on cache for power-save and resume.
1802 * The array must be terminated with NID=0.
1803 */
1804 void snd_hda_sequence_write_cache(struct hda_codec *codec,
1805 const struct hda_verb *seq)
1806 {
1807 for (; seq->nid; seq++)
1808 snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb,
1809 seq->param);
1810 }
1811 #endif /* SND_HDA_NEEDS_RESUME */
1812
1813 /*
1814 * set power state of the codec
1815 */
1816 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
1817 unsigned int power_state)
1818 {
1819 hda_nid_t nid;
1820 int i;
1821
1822 snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE,
1823 power_state);
1824 msleep(10); /* partial workaround for "azx_get_response timeout" */
1825
1826 nid = codec->start_nid;
1827 for (i = 0; i < codec->num_nodes; i++, nid++) {
1828 unsigned int wcaps = get_wcaps(codec, nid);
1829 if (wcaps & AC_WCAP_POWER) {
1830 unsigned int wid_type = (wcaps & AC_WCAP_TYPE) >>
1831 AC_WCAP_TYPE_SHIFT;
1832 if (wid_type == AC_WID_PIN) {
1833 unsigned int pincap;
1834 /*
1835 * don't power down the widget if it controls
1836 * eapd and EAPD_BTLENABLE is set.
1837 */
1838 pincap = snd_hda_param_read(codec, nid,
1839 AC_PAR_PIN_CAP);
1840 if (pincap & AC_PINCAP_EAPD) {
1841 int eapd = snd_hda_codec_read(codec,
1842 nid, 0,
1843 AC_VERB_GET_EAPD_BTLENABLE, 0);
1844 eapd &= 0x02;
1845 if (power_state == AC_PWRST_D3 && eapd)
1846 continue;
1847 }
1848 }
1849 snd_hda_codec_write(codec, nid, 0,
1850 AC_VERB_SET_POWER_STATE,
1851 power_state);
1852 }
1853 }
1854
1855 if (power_state == AC_PWRST_D0) {
1856 unsigned long end_time;
1857 int state;
1858 msleep(10);
1859 /* wait until the codec reachs to D0 */
1860 end_time = jiffies + msecs_to_jiffies(500);
1861 do {
1862 state = snd_hda_codec_read(codec, fg, 0,
1863 AC_VERB_GET_POWER_STATE, 0);
1864 if (state == power_state)
1865 break;
1866 msleep(1);
1867 } while (time_after_eq(end_time, jiffies));
1868 }
1869 }
1870
1871 #ifdef SND_HDA_NEEDS_RESUME
1872 /*
1873 * call suspend and power-down; used both from PM and power-save
1874 */
1875 static void hda_call_codec_suspend(struct hda_codec *codec)
1876 {
1877 if (codec->patch_ops.suspend)
1878 codec->patch_ops.suspend(codec, PMSG_SUSPEND);
1879 hda_set_power_state(codec,
1880 codec->afg ? codec->afg : codec->mfg,
1881 AC_PWRST_D3);
1882 #ifdef CONFIG_SND_HDA_POWER_SAVE
1883 cancel_delayed_work(&codec->power_work);
1884 codec->power_on = 0;
1885 codec->power_transition = 0;
1886 #endif
1887 }
1888
1889 /*
1890 * kick up codec; used both from PM and power-save
1891 */
1892 static void hda_call_codec_resume(struct hda_codec *codec)
1893 {
1894 hda_set_power_state(codec,
1895 codec->afg ? codec->afg : codec->mfg,
1896 AC_PWRST_D0);
1897 if (codec->patch_ops.resume)
1898 codec->patch_ops.resume(codec);
1899 else {
1900 if (codec->patch_ops.init)
1901 codec->patch_ops.init(codec);
1902 snd_hda_codec_resume_amp(codec);
1903 snd_hda_codec_resume_cache(codec);
1904 }
1905 }
1906 #endif /* SND_HDA_NEEDS_RESUME */
1907
1908
1909 /**
1910 * snd_hda_build_controls - build mixer controls
1911 * @bus: the BUS
1912 *
1913 * Creates mixer controls for each codec included in the bus.
1914 *
1915 * Returns 0 if successful, otherwise a negative error code.
1916 */
1917 int __devinit snd_hda_build_controls(struct hda_bus *bus)
1918 {
1919 struct hda_codec *codec;
1920
1921 list_for_each_entry(codec, &bus->codec_list, list) {
1922 int err = 0;
1923 /* fake as if already powered-on */
1924 hda_keep_power_on(codec);
1925 /* then fire up */
1926 hda_set_power_state(codec,
1927 codec->afg ? codec->afg : codec->mfg,
1928 AC_PWRST_D0);
1929 /* continue to initialize... */
1930 if (codec->patch_ops.init)
1931 err = codec->patch_ops.init(codec);
1932 if (!err && codec->patch_ops.build_controls)
1933 err = codec->patch_ops.build_controls(codec);
1934 snd_hda_power_down(codec);
1935 if (err < 0)
1936 return err;
1937 }
1938
1939 return 0;
1940 }
1941
1942 /*
1943 * stream formats
1944 */
1945 struct hda_rate_tbl {
1946 unsigned int hz;
1947 unsigned int alsa_bits;
1948 unsigned int hda_fmt;
1949 };
1950
1951 static struct hda_rate_tbl rate_bits[] = {
1952 /* rate in Hz, ALSA rate bitmask, HDA format value */
1953
1954 /* autodetected value used in snd_hda_query_supported_pcm */
1955 { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
1956 { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
1957 { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
1958 { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
1959 { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
1960 { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
1961 { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
1962 { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
1963 { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
1964 { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
1965 { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
1966 #define AC_PAR_PCM_RATE_BITS 11
1967 /* up to bits 10, 384kHZ isn't supported properly */
1968
1969 /* not autodetected value */
1970 { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
1971
1972 { 0 } /* terminator */
1973 };
1974
1975 /**
1976 * snd_hda_calc_stream_format - calculate format bitset
1977 * @rate: the sample rate
1978 * @channels: the number of channels
1979 * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
1980 * @maxbps: the max. bps
1981 *
1982 * Calculate the format bitset from the given rate, channels and th PCM format.
1983 *
1984 * Return zero if invalid.
1985 */
1986 unsigned int snd_hda_calc_stream_format(unsigned int rate,
1987 unsigned int channels,
1988 unsigned int format,
1989 unsigned int maxbps)
1990 {
1991 int i;
1992 unsigned int val = 0;
1993
1994 for (i = 0; rate_bits[i].hz; i++)
1995 if (rate_bits[i].hz == rate) {
1996 val = rate_bits[i].hda_fmt;
1997 break;
1998 }
1999 if (!rate_bits[i].hz) {
2000 snd_printdd("invalid rate %d\n", rate);
2001 return 0;
2002 }
2003
2004 if (channels == 0 || channels > 8) {
2005 snd_printdd("invalid channels %d\n", channels);
2006 return 0;
2007 }
2008 val |= channels - 1;
2009
2010 switch (snd_pcm_format_width(format)) {
2011 case 8: val |= 0x00; break;
2012 case 16: val |= 0x10; break;
2013 case 20:
2014 case 24:
2015 case 32:
2016 if (maxbps >= 32)
2017 val |= 0x40;
2018 else if (maxbps >= 24)
2019 val |= 0x30;
2020 else
2021 val |= 0x20;
2022 break;
2023 default:
2024 snd_printdd("invalid format width %d\n",
2025 snd_pcm_format_width(format));
2026 return 0;
2027 }
2028
2029 return val;
2030 }
2031
2032 /**
2033 * snd_hda_query_supported_pcm - query the supported PCM rates and formats
2034 * @codec: the HDA codec
2035 * @nid: NID to query
2036 * @ratesp: the pointer to store the detected rate bitflags
2037 * @formatsp: the pointer to store the detected formats
2038 * @bpsp: the pointer to store the detected format widths
2039 *
2040 * Queries the supported PCM rates and formats. The NULL @ratesp, @formatsp
2041 * or @bsps argument is ignored.
2042 *
2043 * Returns 0 if successful, otherwise a negative error code.
2044 */
2045 int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
2046 u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
2047 {
2048 int i;
2049 unsigned int val, streams;
2050
2051 val = 0;
2052 if (nid != codec->afg &&
2053 (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
2054 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
2055 if (val == -1)
2056 return -EIO;
2057 }
2058 if (!val)
2059 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
2060
2061 if (ratesp) {
2062 u32 rates = 0;
2063 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) {
2064 if (val & (1 << i))
2065 rates |= rate_bits[i].alsa_bits;
2066 }
2067 *ratesp = rates;
2068 }
2069
2070 if (formatsp || bpsp) {
2071 u64 formats = 0;
2072 unsigned int bps;
2073 unsigned int wcaps;
2074
2075 wcaps = get_wcaps(codec, nid);
2076 streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
2077 if (streams == -1)
2078 return -EIO;
2079 if (!streams) {
2080 streams = snd_hda_param_read(codec, codec->afg,
2081 AC_PAR_STREAM);
2082 if (streams == -1)
2083 return -EIO;
2084 }
2085
2086 bps = 0;
2087 if (streams & AC_SUPFMT_PCM) {
2088 if (val & AC_SUPPCM_BITS_8) {
2089 formats |= SNDRV_PCM_FMTBIT_U8;
2090 bps = 8;
2091 }
2092 if (val & AC_SUPPCM_BITS_16) {
2093 formats |= SNDRV_PCM_FMTBIT_S16_LE;
2094 bps = 16;
2095 }
2096 if (wcaps & AC_WCAP_DIGITAL) {
2097 if (val & AC_SUPPCM_BITS_32)
2098 formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
2099 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
2100 formats |= SNDRV_PCM_FMTBIT_S32_LE;
2101 if (val & AC_SUPPCM_BITS_24)
2102 bps = 24;
2103 else if (val & AC_SUPPCM_BITS_20)
2104 bps = 20;
2105 } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|
2106 AC_SUPPCM_BITS_32)) {
2107 formats |= SNDRV_PCM_FMTBIT_S32_LE;
2108 if (val & AC_SUPPCM_BITS_32)
2109 bps = 32;
2110 else if (val & AC_SUPPCM_BITS_24)
2111 bps = 24;
2112 else if (val & AC_SUPPCM_BITS_20)
2113 bps = 20;
2114 }
2115 }
2116 else if (streams == AC_SUPFMT_FLOAT32) {
2117 /* should be exclusive */
2118 formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
2119 bps = 32;
2120 } else if (streams == AC_SUPFMT_AC3) {
2121 /* should be exclusive */
2122 /* temporary hack: we have still no proper support
2123 * for the direct AC3 stream...
2124 */
2125 formats |= SNDRV_PCM_FMTBIT_U8;
2126 bps = 8;
2127 }
2128 if (formatsp)
2129 *formatsp = formats;
2130 if (bpsp)
2131 *bpsp = bps;
2132 }
2133
2134 return 0;
2135 }
2136
2137 /**
2138 * snd_hda_is_supported_format - check whether the given node supports
2139 * the format val
2140 *
2141 * Returns 1 if supported, 0 if not.
2142 */
2143 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
2144 unsigned int format)
2145 {
2146 int i;
2147 unsigned int val = 0, rate, stream;
2148
2149 if (nid != codec->afg &&
2150 (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
2151 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
2152 if (val == -1)
2153 return 0;
2154 }
2155 if (!val) {
2156 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
2157 if (val == -1)
2158 return 0;
2159 }
2160
2161 rate = format & 0xff00;
2162 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)
2163 if (rate_bits[i].hda_fmt == rate) {
2164 if (val & (1 << i))
2165 break;
2166 return 0;
2167 }
2168 if (i >= AC_PAR_PCM_RATE_BITS)
2169 return 0;
2170
2171 stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
2172 if (stream == -1)
2173 return 0;
2174 if (!stream && nid != codec->afg)
2175 stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
2176 if (!stream || stream == -1)
2177 return 0;
2178
2179 if (stream & AC_SUPFMT_PCM) {
2180 switch (format & 0xf0) {
2181 case 0x00:
2182 if (!(val & AC_SUPPCM_BITS_8))
2183 return 0;
2184 break;
2185 case 0x10:
2186 if (!(val & AC_SUPPCM_BITS_16))
2187 return 0;
2188 break;
2189 case 0x20:
2190 if (!(val & AC_SUPPCM_BITS_20))
2191 return 0;
2192 break;
2193 case 0x30:
2194 if (!(val & AC_SUPPCM_BITS_24))
2195 return 0;
2196 break;
2197 case 0x40:
2198 if (!(val & AC_SUPPCM_BITS_32))
2199 return 0;
2200 break;
2201 default:
2202 return 0;
2203 }
2204 } else {
2205 /* FIXME: check for float32 and AC3? */
2206 }
2207
2208 return 1;
2209 }
2210
2211 /*
2212 * PCM stuff
2213 */
2214 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
2215 struct hda_codec *codec,
2216 struct snd_pcm_substream *substream)
2217 {
2218 return 0;
2219 }
2220
2221 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
2222 struct hda_codec *codec,
2223 unsigned int stream_tag,
2224 unsigned int format,
2225 struct snd_pcm_substream *substream)
2226 {
2227 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
2228 return 0;
2229 }
2230
2231 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
2232 struct hda_codec *codec,
2233 struct snd_pcm_substream *substream)
2234 {
2235 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
2236 return 0;
2237 }
2238
2239 static int __devinit set_pcm_default_values(struct hda_codec *codec,
2240 struct hda_pcm_stream *info)
2241 {
2242 /* query support PCM information from the given NID */
2243 if (info->nid && (!info->rates || !info->formats)) {
2244 snd_hda_query_supported_pcm(codec, info->nid,
2245 info->rates ? NULL : &info->rates,
2246 info->formats ? NULL : &info->formats,
2247 info->maxbps ? NULL : &info->maxbps);
2248 }
2249 if (info->ops.open == NULL)
2250 info->ops.open = hda_pcm_default_open_close;
2251 if (info->ops.close == NULL)
2252 info->ops.close = hda_pcm_default_open_close;
2253 if (info->ops.prepare == NULL) {
2254 if (snd_BUG_ON(!info->nid))
2255 return -EINVAL;
2256 info->ops.prepare = hda_pcm_default_prepare;
2257 }
2258 if (info->ops.cleanup == NULL) {
2259 if (snd_BUG_ON(!info->nid))
2260 return -EINVAL;
2261 info->ops.cleanup = hda_pcm_default_cleanup;
2262 }
2263 return 0;
2264 }
2265
2266 /**
2267 * snd_hda_build_pcms - build PCM information
2268 * @bus: the BUS
2269 *
2270 * Create PCM information for each codec included in the bus.
2271 *
2272 * The build_pcms codec patch is requested to set up codec->num_pcms and
2273 * codec->pcm_info properly. The array is referred by the top-level driver
2274 * to create its PCM instances.
2275 * The allocated codec->pcm_info should be released in codec->patch_ops.free
2276 * callback.
2277 *
2278 * At least, substreams, channels_min and channels_max must be filled for
2279 * each stream. substreams = 0 indicates that the stream doesn't exist.
2280 * When rates and/or formats are zero, the supported values are queried
2281 * from the given nid. The nid is used also by the default ops.prepare
2282 * and ops.cleanup callbacks.
2283 *
2284 * The driver needs to call ops.open in its open callback. Similarly,
2285 * ops.close is supposed to be called in the close callback.
2286 * ops.prepare should be called in the prepare or hw_params callback
2287 * with the proper parameters for set up.
2288 * ops.cleanup should be called in hw_free for clean up of streams.
2289 *
2290 * This function returns 0 if successfull, or a negative error code.
2291 */
2292 int __devinit snd_hda_build_pcms(struct hda_bus *bus)
2293 {
2294 struct hda_codec *codec;
2295
2296 list_for_each_entry(codec, &bus->codec_list, list) {
2297 unsigned int pcm, s;
2298 int err;
2299 if (!codec->patch_ops.build_pcms)
2300 continue;
2301 err = codec->patch_ops.build_pcms(codec);
2302 if (err < 0)
2303 return err;
2304 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
2305 for (s = 0; s < 2; s++) {
2306 struct hda_pcm_stream *info;
2307 info = &codec->pcm_info[pcm].stream[s];
2308 if (!info->substreams)
2309 continue;
2310 err = set_pcm_default_values(codec, info);
2311 if (err < 0)
2312 return err;
2313 }
2314 }
2315 }
2316 return 0;
2317 }
2318
2319 /**
2320 * snd_hda_check_board_config - compare the current codec with the config table
2321 * @codec: the HDA codec
2322 * @num_configs: number of config enums
2323 * @models: array of model name strings
2324 * @tbl: configuration table, terminated by null entries
2325 *
2326 * Compares the modelname or PCI subsystem id of the current codec with the
2327 * given configuration table. If a matching entry is found, returns its
2328 * config value (supposed to be 0 or positive).
2329 *
2330 * If no entries are matching, the function returns a negative value.
2331 */
2332 int snd_hda_check_board_config(struct hda_codec *codec,
2333 int num_configs, const char **models,
2334 const struct snd_pci_quirk *tbl)
2335 {
2336 if (codec->bus->modelname && models) {
2337 int i;
2338 for (i = 0; i < num_configs; i++) {
2339 if (models[i] &&
2340 !strcmp(codec->bus->modelname, models[i])) {
2341 snd_printd(KERN_INFO "hda_codec: model '%s' is "
2342 "selected\n", models[i]);
2343 return i;
2344 }
2345 }
2346 }
2347
2348 if (!codec->bus->pci || !tbl)
2349 return -1;
2350
2351 tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl);
2352 if (!tbl)
2353 return -1;
2354 if (tbl->value >= 0 && tbl->value < num_configs) {
2355 #ifdef CONFIG_SND_DEBUG_VERBOSE
2356 char tmp[10];
2357 const char *model = NULL;
2358 if (models)
2359 model = models[tbl->value];
2360 if (!model) {
2361 sprintf(tmp, "#%d", tbl->value);
2362 model = tmp;
2363 }
2364 snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
2365 "for config %x:%x (%s)\n",
2366 model, tbl->subvendor, tbl->subdevice,
2367 (tbl->name ? tbl->name : "Unknown device"));
2368 #endif
2369 return tbl->value;
2370 }
2371 return -1;
2372 }
2373
2374 /**
2375 * snd_hda_add_new_ctls - create controls from the array
2376 * @codec: the HDA codec
2377 * @knew: the array of struct snd_kcontrol_new
2378 *
2379 * This helper function creates and add new controls in the given array.
2380 * The array must be terminated with an empty entry as terminator.
2381 *
2382 * Returns 0 if successful, or a negative error code.
2383 */
2384 int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
2385 {
2386 int err;
2387
2388 for (; knew->name; knew++) {
2389 struct snd_kcontrol *kctl;
2390 kctl = snd_ctl_new1(knew, codec);
2391 if (!kctl)
2392 return -ENOMEM;
2393 err = snd_ctl_add(codec->bus->card, kctl);
2394 if (err < 0) {
2395 if (!codec->addr)
2396 return err;
2397 kctl = snd_ctl_new1(knew, codec);
2398 if (!kctl)
2399 return -ENOMEM;
2400 kctl->id.device = codec->addr;
2401 err = snd_ctl_add(codec->bus->card, kctl);
2402 if (err < 0)
2403 return err;
2404 }
2405 }
2406 return 0;
2407 }
2408
2409 #ifdef CONFIG_SND_HDA_POWER_SAVE
2410 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2411 unsigned int power_state);
2412
2413 static void hda_power_work(struct work_struct *work)
2414 {
2415 struct hda_codec *codec =
2416 container_of(work, struct hda_codec, power_work.work);
2417
2418 if (!codec->power_on || codec->power_count) {
2419 codec->power_transition = 0;
2420 return;
2421 }
2422
2423 hda_call_codec_suspend(codec);
2424 if (codec->bus->ops.pm_notify)
2425 codec->bus->ops.pm_notify(codec);
2426 }
2427
2428 static void hda_keep_power_on(struct hda_codec *codec)
2429 {
2430 codec->power_count++;
2431 codec->power_on = 1;
2432 }
2433
2434 void snd_hda_power_up(struct hda_codec *codec)
2435 {
2436 codec->power_count++;
2437 if (codec->power_on || codec->power_transition)
2438 return;
2439
2440 codec->power_on = 1;
2441 if (codec->bus->ops.pm_notify)
2442 codec->bus->ops.pm_notify(codec);
2443 hda_call_codec_resume(codec);
2444 cancel_delayed_work(&codec->power_work);
2445 codec->power_transition = 0;
2446 }
2447
2448 void snd_hda_power_down(struct hda_codec *codec)
2449 {
2450 --codec->power_count;
2451 if (!codec->power_on || codec->power_count || codec->power_transition)
2452 return;
2453 if (power_save) {
2454 codec->power_transition = 1; /* avoid reentrance */
2455 schedule_delayed_work(&codec->power_work,
2456 msecs_to_jiffies(power_save * 1000));
2457 }
2458 }
2459
2460 int snd_hda_check_amp_list_power(struct hda_codec *codec,
2461 struct hda_loopback_check *check,
2462 hda_nid_t nid)
2463 {
2464 struct hda_amp_list *p;
2465 int ch, v;
2466
2467 if (!check->amplist)
2468 return 0;
2469 for (p = check->amplist; p->nid; p++) {
2470 if (p->nid == nid)
2471 break;
2472 }
2473 if (!p->nid)
2474 return 0; /* nothing changed */
2475
2476 for (p = check->amplist; p->nid; p++) {
2477 for (ch = 0; ch < 2; ch++) {
2478 v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
2479 p->idx);
2480 if (!(v & HDA_AMP_MUTE) && v > 0) {
2481 if (!check->power_on) {
2482 check->power_on = 1;
2483 snd_hda_power_up(codec);
2484 }
2485 return 1;
2486 }
2487 }
2488 }
2489 if (check->power_on) {
2490 check->power_on = 0;
2491 snd_hda_power_down(codec);
2492 }
2493 return 0;
2494 }
2495 #endif
2496
2497 /*
2498 * Channel mode helper
2499 */
2500 int snd_hda_ch_mode_info(struct hda_codec *codec,
2501 struct snd_ctl_elem_info *uinfo,
2502 const struct hda_channel_mode *chmode,
2503 int num_chmodes)
2504 {
2505 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2506 uinfo->count = 1;
2507 uinfo->value.enumerated.items = num_chmodes;
2508 if (uinfo->value.enumerated.item >= num_chmodes)
2509 uinfo->value.enumerated.item = num_chmodes - 1;
2510 sprintf(uinfo->value.enumerated.name, "%dch",
2511 chmode[uinfo->value.enumerated.item].channels);
2512 return 0;
2513 }
2514
2515 int snd_hda_ch_mode_get(struct hda_codec *codec,
2516 struct snd_ctl_elem_value *ucontrol,
2517 const struct hda_channel_mode *chmode,
2518 int num_chmodes,
2519 int max_channels)
2520 {
2521 int i;
2522
2523 for (i = 0; i < num_chmodes; i++) {
2524 if (max_channels == chmode[i].channels) {
2525 ucontrol->value.enumerated.item[0] = i;
2526 break;
2527 }
2528 }
2529 return 0;
2530 }
2531
2532 int snd_hda_ch_mode_put(struct hda_codec *codec,
2533 struct snd_ctl_elem_value *ucontrol,
2534 const struct hda_channel_mode *chmode,
2535 int num_chmodes,
2536 int *max_channelsp)
2537 {
2538 unsigned int mode;
2539
2540 mode = ucontrol->value.enumerated.item[0];
2541 if (mode >= num_chmodes)
2542 return -EINVAL;
2543 if (*max_channelsp == chmode[mode].channels)
2544 return 0;
2545 /* change the current channel setting */
2546 *max_channelsp = chmode[mode].channels;
2547 if (chmode[mode].sequence)
2548 snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
2549 return 1;
2550 }
2551
2552 /*
2553 * input MUX helper
2554 */
2555 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
2556 struct snd_ctl_elem_info *uinfo)
2557 {
2558 unsigned int index;
2559
2560 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2561 uinfo->count = 1;
2562 uinfo->value.enumerated.items = imux->num_items;
2563 if (!imux->num_items)
2564 return 0;
2565 index = uinfo->value.enumerated.item;
2566 if (index >= imux->num_items)
2567 index = imux->num_items - 1;
2568 strcpy(uinfo->value.enumerated.name, imux->items[index].label);
2569 return 0;
2570 }
2571
2572 int snd_hda_input_mux_put(struct hda_codec *codec,
2573 const struct hda_input_mux *imux,
2574 struct snd_ctl_elem_value *ucontrol,
2575 hda_nid_t nid,
2576 unsigned int *cur_val)
2577 {
2578 unsigned int idx;
2579
2580 if (!imux->num_items)
2581 return 0;
2582 idx = ucontrol->value.enumerated.item[0];
2583 if (idx >= imux->num_items)
2584 idx = imux->num_items - 1;
2585 if (*cur_val == idx)
2586 return 0;
2587 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
2588 imux->items[idx].index);
2589 *cur_val = idx;
2590 return 1;
2591 }
2592
2593
2594 /*
2595 * Multi-channel / digital-out PCM helper functions
2596 */
2597
2598 /* setup SPDIF output stream */
2599 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
2600 unsigned int stream_tag, unsigned int format)
2601 {
2602 /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2603 if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
2604 set_dig_out_convert(codec, nid,
2605 codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff,
2606 -1);
2607 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
2608 if (codec->slave_dig_outs) {
2609 hda_nid_t *d;
2610 for (d = codec->slave_dig_outs; *d; d++)
2611 snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
2612 format);
2613 }
2614 /* turn on again (if needed) */
2615 if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
2616 set_dig_out_convert(codec, nid,
2617 codec->spdif_ctls & 0xff, -1);
2618 }
2619
2620 static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
2621 {
2622 snd_hda_codec_cleanup_stream(codec, nid);
2623 if (codec->slave_dig_outs) {
2624 hda_nid_t *d;
2625 for (d = codec->slave_dig_outs; *d; d++)
2626 snd_hda_codec_cleanup_stream(codec, *d);
2627 }
2628 }
2629
2630 /*
2631 * open the digital out in the exclusive mode
2632 */
2633 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
2634 struct hda_multi_out *mout)
2635 {
2636 mutex_lock(&codec->spdif_mutex);
2637 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
2638 /* already opened as analog dup; reset it once */
2639 cleanup_dig_out_stream(codec, mout->dig_out_nid);
2640 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
2641 mutex_unlock(&codec->spdif_mutex);
2642 return 0;
2643 }
2644
2645 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
2646 struct hda_multi_out *mout,
2647 unsigned int stream_tag,
2648 unsigned int format,
2649 struct snd_pcm_substream *substream)
2650 {
2651 mutex_lock(&codec->spdif_mutex);
2652 setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
2653 mutex_unlock(&codec->spdif_mutex);
2654 return 0;
2655 }
2656
2657 /*
2658 * release the digital out
2659 */
2660 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
2661 struct hda_multi_out *mout)
2662 {
2663 mutex_lock(&codec->spdif_mutex);
2664 mout->dig_out_used = 0;
2665 mutex_unlock(&codec->spdif_mutex);
2666 return 0;
2667 }
2668
2669 /*
2670 * set up more restrictions for analog out
2671 */
2672 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
2673 struct hda_multi_out *mout,
2674 struct snd_pcm_substream *substream,
2675 struct hda_pcm_stream *hinfo)
2676 {
2677 struct snd_pcm_runtime *runtime = substream->runtime;
2678 runtime->hw.channels_max = mout->max_channels;
2679 if (mout->dig_out_nid) {
2680 if (!mout->analog_rates) {
2681 mout->analog_rates = hinfo->rates;
2682 mout->analog_formats = hinfo->formats;
2683 mout->analog_maxbps = hinfo->maxbps;
2684 } else {
2685 runtime->hw.rates = mout->analog_rates;
2686 runtime->hw.formats = mout->analog_formats;
2687 hinfo->maxbps = mout->analog_maxbps;
2688 }
2689 if (!mout->spdif_rates) {
2690 snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
2691 &mout->spdif_rates,
2692 &mout->spdif_formats,
2693 &mout->spdif_maxbps);
2694 }
2695 mutex_lock(&codec->spdif_mutex);
2696 if (mout->share_spdif) {
2697 runtime->hw.rates &= mout->spdif_rates;
2698 runtime->hw.formats &= mout->spdif_formats;
2699 if (mout->spdif_maxbps < hinfo->maxbps)
2700 hinfo->maxbps = mout->spdif_maxbps;
2701 }
2702 mutex_unlock(&codec->spdif_mutex);
2703 }
2704 return snd_pcm_hw_constraint_step(substream->runtime, 0,
2705 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2706 }
2707
2708 /*
2709 * set up the i/o for analog out
2710 * when the digital out is available, copy the front out to digital out, too.
2711 */
2712 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
2713 struct hda_multi_out *mout,
2714 unsigned int stream_tag,
2715 unsigned int format,
2716 struct snd_pcm_substream *substream)
2717 {
2718 hda_nid_t *nids = mout->dac_nids;
2719 int chs = substream->runtime->channels;
2720 int i;
2721
2722 mutex_lock(&codec->spdif_mutex);
2723 if (mout->dig_out_nid && mout->share_spdif &&
2724 mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
2725 if (chs == 2 &&
2726 snd_hda_is_supported_format(codec, mout->dig_out_nid,
2727 format) &&
2728 !(codec->spdif_status & IEC958_AES0_NONAUDIO)) {
2729 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
2730 setup_dig_out_stream(codec, mout->dig_out_nid,
2731 stream_tag, format);
2732 } else {
2733 mout->dig_out_used = 0;
2734 cleanup_dig_out_stream(codec, mout->dig_out_nid);
2735 }
2736 }
2737 mutex_unlock(&codec->spdif_mutex);
2738
2739 /* front */
2740 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
2741 0, format);
2742 if (!mout->no_share_stream &&
2743 mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
2744 /* headphone out will just decode front left/right (stereo) */
2745 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
2746 0, format);
2747 /* extra outputs copied from front */
2748 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2749 if (!mout->no_share_stream && mout->extra_out_nid[i])
2750 snd_hda_codec_setup_stream(codec,
2751 mout->extra_out_nid[i],
2752 stream_tag, 0, format);
2753
2754 /* surrounds */
2755 for (i = 1; i < mout->num_dacs; i++) {
2756 if (chs >= (i + 1) * 2) /* independent out */
2757 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2758 i * 2, format);
2759 else if (!mout->no_share_stream) /* copy front */
2760 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2761 0, format);
2762 }
2763 return 0;
2764 }
2765
2766 /*
2767 * clean up the setting for analog out
2768 */
2769 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
2770 struct hda_multi_out *mout)
2771 {
2772 hda_nid_t *nids = mout->dac_nids;
2773 int i;
2774
2775 for (i = 0; i < mout->num_dacs; i++)
2776 snd_hda_codec_cleanup_stream(codec, nids[i]);
2777 if (mout->hp_nid)
2778 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
2779 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2780 if (mout->extra_out_nid[i])
2781 snd_hda_codec_cleanup_stream(codec,
2782 mout->extra_out_nid[i]);
2783 mutex_lock(&codec->spdif_mutex);
2784 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
2785 cleanup_dig_out_stream(codec, mout->dig_out_nid);
2786 mout->dig_out_used = 0;
2787 }
2788 mutex_unlock(&codec->spdif_mutex);
2789 return 0;
2790 }
2791
2792 /*
2793 * Helper for automatic pin configuration
2794 */
2795
2796 static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list)
2797 {
2798 for (; *list; list++)
2799 if (*list == nid)
2800 return 1;
2801 return 0;
2802 }
2803
2804
2805 /*
2806 * Sort an associated group of pins according to their sequence numbers.
2807 */
2808 static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences,
2809 int num_pins)
2810 {
2811 int i, j;
2812 short seq;
2813 hda_nid_t nid;
2814
2815 for (i = 0; i < num_pins; i++) {
2816 for (j = i + 1; j < num_pins; j++) {
2817 if (sequences[i] > sequences[j]) {
2818 seq = sequences[i];
2819 sequences[i] = sequences[j];
2820 sequences[j] = seq;
2821 nid = pins[i];
2822 pins[i] = pins[j];
2823 pins[j] = nid;
2824 }
2825 }
2826 }
2827 }
2828
2829
2830 /*
2831 * Parse all pin widgets and store the useful pin nids to cfg
2832 *
2833 * The number of line-outs or any primary output is stored in line_outs,
2834 * and the corresponding output pins are assigned to line_out_pins[],
2835 * in the order of front, rear, CLFE, side, ...
2836 *
2837 * If more extra outputs (speaker and headphone) are found, the pins are
2838 * assisnged to hp_pins[] and speaker_pins[], respectively. If no line-out jack
2839 * is detected, one of speaker of HP pins is assigned as the primary
2840 * output, i.e. to line_out_pins[0]. So, line_outs is always positive
2841 * if any analog output exists.
2842 *
2843 * The analog input pins are assigned to input_pins array.
2844 * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
2845 * respectively.
2846 */
2847 int snd_hda_parse_pin_def_config(struct hda_codec *codec,
2848 struct auto_pin_cfg *cfg,
2849 hda_nid_t *ignore_nids)
2850 {
2851 hda_nid_t nid, end_nid;
2852 short seq, assoc_line_out, assoc_speaker;
2853 short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)];
2854 short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)];
2855 short sequences_hp[ARRAY_SIZE(cfg->hp_pins)];
2856
2857 memset(cfg, 0, sizeof(*cfg));
2858
2859 memset(sequences_line_out, 0, sizeof(sequences_line_out));
2860 memset(sequences_speaker, 0, sizeof(sequences_speaker));
2861 memset(sequences_hp, 0, sizeof(sequences_hp));
2862 assoc_line_out = assoc_speaker = 0;
2863
2864 end_nid = codec->start_nid + codec->num_nodes;
2865 for (nid = codec->start_nid; nid < end_nid; nid++) {
2866 unsigned int wid_caps = get_wcaps(codec, nid);
2867 unsigned int wid_type =
2868 (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
2869 unsigned int def_conf;
2870 short assoc, loc;
2871
2872 /* read all default configuration for pin complex */
2873 if (wid_type != AC_WID_PIN)
2874 continue;
2875 /* ignore the given nids (e.g. pc-beep returns error) */
2876 if (ignore_nids && is_in_nid_list(nid, ignore_nids))
2877 continue;
2878
2879 def_conf = snd_hda_codec_read(codec, nid, 0,
2880 AC_VERB_GET_CONFIG_DEFAULT, 0);
2881 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
2882 continue;
2883 loc = get_defcfg_location(def_conf);
2884 switch (get_defcfg_device(def_conf)) {
2885 case AC_JACK_LINE_OUT:
2886 seq = get_defcfg_sequence(def_conf);
2887 assoc = get_defcfg_association(def_conf);
2888
2889 if (!(wid_caps & AC_WCAP_STEREO))
2890 if (!cfg->mono_out_pin)
2891 cfg->mono_out_pin = nid;
2892 if (!assoc)
2893 continue;
2894 if (!assoc_line_out)
2895 assoc_line_out = assoc;
2896 else if (assoc_line_out != assoc)
2897 continue;
2898 if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
2899 continue;
2900 cfg->line_out_pins[cfg->line_outs] = nid;
2901 sequences_line_out[cfg->line_outs] = seq;
2902 cfg->line_outs++;
2903 break;
2904 case AC_JACK_SPEAKER:
2905 seq = get_defcfg_sequence(def_conf);
2906 assoc = get_defcfg_association(def_conf);
2907 if (! assoc)
2908 continue;
2909 if (! assoc_speaker)
2910 assoc_speaker = assoc;
2911 else if (assoc_speaker != assoc)
2912 continue;
2913 if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
2914 continue;
2915 cfg->speaker_pins[cfg->speaker_outs] = nid;
2916 sequences_speaker[cfg->speaker_outs] = seq;
2917 cfg->speaker_outs++;
2918 break;
2919 case AC_JACK_HP_OUT:
2920 seq = get_defcfg_sequence(def_conf);
2921 assoc = get_defcfg_association(def_conf);
2922 if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
2923 continue;
2924 cfg->hp_pins[cfg->hp_outs] = nid;
2925 sequences_hp[cfg->hp_outs] = (assoc << 4) | seq;
2926 cfg->hp_outs++;
2927 break;
2928 case AC_JACK_MIC_IN: {
2929 int preferred, alt;
2930 if (loc == AC_JACK_LOC_FRONT) {
2931 preferred = AUTO_PIN_FRONT_MIC;
2932 alt = AUTO_PIN_MIC;
2933 } else {
2934 preferred = AUTO_PIN_MIC;
2935 alt = AUTO_PIN_FRONT_MIC;
2936 }
2937 if (!cfg->input_pins[preferred])
2938 cfg->input_pins[preferred] = nid;
2939 else if (!cfg->input_pins[alt])
2940 cfg->input_pins[alt] = nid;
2941 break;
2942 }
2943 case AC_JACK_LINE_IN:
2944 if (loc == AC_JACK_LOC_FRONT)
2945 cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
2946 else
2947 cfg->input_pins[AUTO_PIN_LINE] = nid;
2948 break;
2949 case AC_JACK_CD:
2950 cfg->input_pins[AUTO_PIN_CD] = nid;
2951 break;
2952 case AC_JACK_AUX:
2953 cfg->input_pins[AUTO_PIN_AUX] = nid;
2954 break;
2955 case AC_JACK_SPDIF_OUT:
2956 cfg->dig_out_pin = nid;
2957 break;
2958 case AC_JACK_SPDIF_IN:
2959 cfg->dig_in_pin = nid;
2960 break;
2961 }
2962 }
2963
2964 /* FIX-UP:
2965 * If no line-out is defined but multiple HPs are found,
2966 * some of them might be the real line-outs.
2967 */
2968 if (!cfg->line_outs && cfg->hp_outs > 1) {
2969 int i = 0;
2970 while (i < cfg->hp_outs) {
2971 /* The real HPs should have the sequence 0x0f */
2972 if ((sequences_hp[i] & 0x0f) == 0x0f) {
2973 i++;
2974 continue;
2975 }
2976 /* Move it to the line-out table */
2977 cfg->line_out_pins[cfg->line_outs] = cfg->hp_pins[i];
2978 sequences_line_out[cfg->line_outs] = sequences_hp[i];
2979 cfg->line_outs++;
2980 cfg->hp_outs--;
2981 memmove(cfg->hp_pins + i, cfg->hp_pins + i + 1,
2982 sizeof(cfg->hp_pins[0]) * (cfg->hp_outs - i));
2983 memmove(sequences_hp + i - 1, sequences_hp + i,
2984 sizeof(sequences_hp[0]) * (cfg->hp_outs - i));
2985 }
2986 }
2987
2988 /* sort by sequence */
2989 sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out,
2990 cfg->line_outs);
2991 sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker,
2992 cfg->speaker_outs);
2993 sort_pins_by_sequence(cfg->hp_pins, sequences_hp,
2994 cfg->hp_outs);
2995
2996 /* if we have only one mic, make it AUTO_PIN_MIC */
2997 if (!cfg->input_pins[AUTO_PIN_MIC] &&
2998 cfg->input_pins[AUTO_PIN_FRONT_MIC]) {
2999 cfg->input_pins[AUTO_PIN_MIC] =
3000 cfg->input_pins[AUTO_PIN_FRONT_MIC];
3001 cfg->input_pins[AUTO_PIN_FRONT_MIC] = 0;
3002 }
3003 /* ditto for line-in */
3004 if (!cfg->input_pins[AUTO_PIN_LINE] &&
3005 cfg->input_pins[AUTO_PIN_FRONT_LINE]) {
3006 cfg->input_pins[AUTO_PIN_LINE] =
3007 cfg->input_pins[AUTO_PIN_FRONT_LINE];
3008 cfg->input_pins[AUTO_PIN_FRONT_LINE] = 0;
3009 }
3010
3011 /*
3012 * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
3013 * as a primary output
3014 */
3015 if (!cfg->line_outs) {
3016 if (cfg->speaker_outs) {
3017 cfg->line_outs = cfg->speaker_outs;
3018 memcpy(cfg->line_out_pins, cfg->speaker_pins,
3019 sizeof(cfg->speaker_pins));
3020 cfg->speaker_outs = 0;
3021 memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
3022 cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
3023 } else if (cfg->hp_outs) {
3024 cfg->line_outs = cfg->hp_outs;
3025 memcpy(cfg->line_out_pins, cfg->hp_pins,
3026 sizeof(cfg->hp_pins));
3027 cfg->hp_outs = 0;
3028 memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
3029 cfg->line_out_type = AUTO_PIN_HP_OUT;
3030 }
3031 }
3032
3033 /* Reorder the surround channels
3034 * ALSA sequence is front/surr/clfe/side
3035 * HDA sequence is:
3036 * 4-ch: front/surr => OK as it is
3037 * 6-ch: front/clfe/surr
3038 * 8-ch: front/clfe/rear/side|fc
3039 */
3040 switch (cfg->line_outs) {
3041 case 3:
3042 case 4:
3043 nid = cfg->line_out_pins[1];
3044 cfg->line_out_pins[1] = cfg->line_out_pins[2];
3045 cfg->line_out_pins[2] = nid;
3046 break;
3047 }
3048
3049 /*
3050 * debug prints of the parsed results
3051 */
3052 snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3053 cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
3054 cfg->line_out_pins[2], cfg->line_out_pins[3],
3055 cfg->line_out_pins[4]);
3056 snd_printd(" speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3057 cfg->speaker_outs, cfg->speaker_pins[0],
3058 cfg->speaker_pins[1], cfg->speaker_pins[2],
3059 cfg->speaker_pins[3], cfg->speaker_pins[4]);
3060 snd_printd(" hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
3061 cfg->hp_outs, cfg->hp_pins[0],
3062 cfg->hp_pins[1], cfg->hp_pins[2],
3063 cfg->hp_pins[3], cfg->hp_pins[4]);
3064 snd_printd(" mono: mono_out=0x%x\n", cfg->mono_out_pin);
3065 snd_printd(" inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
3066 " cd=0x%x, aux=0x%x\n",
3067 cfg->input_pins[AUTO_PIN_MIC],
3068 cfg->input_pins[AUTO_PIN_FRONT_MIC],
3069 cfg->input_pins[AUTO_PIN_LINE],
3070 cfg->input_pins[AUTO_PIN_FRONT_LINE],
3071 cfg->input_pins[AUTO_PIN_CD],
3072 cfg->input_pins[AUTO_PIN_AUX]);
3073
3074 return 0;
3075 }
3076
3077 /* labels for input pins */
3078 const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
3079 "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
3080 };
3081
3082
3083 #ifdef CONFIG_PM
3084 /*
3085 * power management
3086 */
3087
3088 /**
3089 * snd_hda_suspend - suspend the codecs
3090 * @bus: the HDA bus
3091 * @state: suspsend state
3092 *
3093 * Returns 0 if successful.
3094 */
3095 int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
3096 {
3097 struct hda_codec *codec;
3098
3099 list_for_each_entry(codec, &bus->codec_list, list) {
3100 #ifdef CONFIG_SND_HDA_POWER_SAVE
3101 if (!codec->power_on)
3102 continue;
3103 #endif
3104 hda_call_codec_suspend(codec);
3105 }
3106 return 0;
3107 }
3108
3109 /**
3110 * snd_hda_resume - resume the codecs
3111 * @bus: the HDA bus
3112 * @state: resume state
3113 *
3114 * Returns 0 if successful.
3115 *
3116 * This fucntion is defined only when POWER_SAVE isn't set.
3117 * In the power-save mode, the codec is resumed dynamically.
3118 */
3119 int snd_hda_resume(struct hda_bus *bus)
3120 {
3121 struct hda_codec *codec;
3122
3123 list_for_each_entry(codec, &bus->codec_list, list) {
3124 if (snd_hda_codec_needs_resume(codec))
3125 hda_call_codec_resume(codec);
3126 }
3127 return 0;
3128 }
3129 #ifdef CONFIG_SND_HDA_POWER_SAVE
3130 int snd_hda_codecs_inuse(struct hda_bus *bus)
3131 {
3132 struct hda_codec *codec;
3133
3134 list_for_each_entry(codec, &bus->codec_list, list) {
3135 if (snd_hda_codec_needs_resume(codec))
3136 return 1;
3137 }
3138 return 0;
3139 }
3140 #endif
3141 #endif
Linux with added FPC-III support