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[ALSA] hda-codec - Fix race condition in generic bound volume/swtich controls
[firewire-audio.git] / sound / pci / hda / hda_codec.c
blob5c6419ead015eb83b511599e534f87d8ef94f91c
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
35 #ifdef CONFIG_SND_HDA_POWER_SAVE
36 /* define this option here to hide as static */
37 static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
38 module_param(power_save, int, 0644);
39 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
40 "(in second, 0 = disable).");
41 #endif
42
43 /*
44 * vendor / preset table
45 */
46
47 struct hda_vendor_id {
48 unsigned int id;
49 const char *name;
50 };
51
52 /* codec vendor labels */
53 static struct hda_vendor_id hda_vendor_ids[] = {
54 { 0x10ec, "Realtek" },
55 { 0x1057, "Motorola" },
56 { 0x1106, "VIA" },
57 { 0x111d, "IDT" },
58 { 0x11d4, "Analog Devices" },
59 { 0x13f6, "C-Media" },
60 { 0x14f1, "Conexant" },
61 { 0x434d, "C-Media" },
62 { 0x8384, "SigmaTel" },
63 {} /* terminator */
64 };
65
66 /* codec presets */
67 #include "hda_patch.h"
68
69
70 #ifdef CONFIG_SND_HDA_POWER_SAVE
71 static void hda_power_work(struct work_struct *work);
72 static void hda_keep_power_on(struct hda_codec *codec);
73 #else
74 static inline void hda_keep_power_on(struct hda_codec *codec) {}
75 #endif
76
77 /**
78 * snd_hda_codec_read - send a command and get the response
79 * @codec: the HDA codec
80 * @nid: NID to send the command
81 * @direct: direct flag
82 * @verb: the verb to send
83 * @parm: the parameter for the verb
84 *
85 * Send a single command and read the corresponding response.
86 *
87 * Returns the obtained response value, or -1 for an error.
88 */
89 unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
90 int direct,
91 unsigned int verb, unsigned int parm)
92 {
93 unsigned int res;
94 snd_hda_power_up(codec);
95 mutex_lock(&codec->bus->cmd_mutex);
96 if (!codec->bus->ops.command(codec, nid, direct, verb, parm))
97 res = codec->bus->ops.get_response(codec);
98 else
99 res = (unsigned int)-1;
100 mutex_unlock(&codec->bus->cmd_mutex);
101 snd_hda_power_down(codec);
102 return res;
103 }
104
105 /**
106 * snd_hda_codec_write - send a single command without waiting for response
107 * @codec: the HDA codec
108 * @nid: NID to send the command
109 * @direct: direct flag
110 * @verb: the verb to send
111 * @parm: the parameter for the verb
112 *
113 * Send a single command without waiting for response.
114 *
115 * Returns 0 if successful, or a negative error code.
116 */
117 int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
118 unsigned int verb, unsigned int parm)
119 {
120 int err;
121 snd_hda_power_up(codec);
122 mutex_lock(&codec->bus->cmd_mutex);
123 err = codec->bus->ops.command(codec, nid, direct, verb, parm);
124 mutex_unlock(&codec->bus->cmd_mutex);
125 snd_hda_power_down(codec);
126 return err;
127 }
128
129 /**
130 * snd_hda_sequence_write - sequence writes
131 * @codec: the HDA codec
132 * @seq: VERB array to send
133 *
134 * Send the commands sequentially from the given array.
135 * The array must be terminated with NID=0.
136 */
137 void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
138 {
139 for (; seq->nid; seq++)
140 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
141 }
142
143 /**
144 * snd_hda_get_sub_nodes - get the range of sub nodes
145 * @codec: the HDA codec
146 * @nid: NID to parse
147 * @start_id: the pointer to store the start NID
148 *
149 * Parse the NID and store the start NID of its sub-nodes.
150 * Returns the number of sub-nodes.
151 */
152 int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
153 hda_nid_t *start_id)
154 {
155 unsigned int parm;
156
157 parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
158 if (parm == -1)
159 return 0;
160 *start_id = (parm >> 16) & 0x7fff;
161 return (int)(parm & 0x7fff);
162 }
163
164 /**
165 * snd_hda_get_connections - get connection list
166 * @codec: the HDA codec
167 * @nid: NID to parse
168 * @conn_list: connection list array
169 * @max_conns: max. number of connections to store
170 *
171 * Parses the connection list of the given widget and stores the list
172 * of NIDs.
173 *
174 * Returns the number of connections, or a negative error code.
175 */
176 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
177 hda_nid_t *conn_list, int max_conns)
178 {
179 unsigned int parm;
180 int i, conn_len, conns;
181 unsigned int shift, num_elems, mask;
182 hda_nid_t prev_nid;
183
184 snd_assert(conn_list && max_conns > 0, return -EINVAL);
185
186 parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN);
187 if (parm & AC_CLIST_LONG) {
188 /* long form */
189 shift = 16;
190 num_elems = 2;
191 } else {
192 /* short form */
193 shift = 8;
194 num_elems = 4;
195 }
196 conn_len = parm & AC_CLIST_LENGTH;
197 mask = (1 << (shift-1)) - 1;
198
199 if (!conn_len)
200 return 0; /* no connection */
201
202 if (conn_len == 1) {
203 /* single connection */
204 parm = snd_hda_codec_read(codec, nid, 0,
205 AC_VERB_GET_CONNECT_LIST, 0);
206 conn_list[0] = parm & mask;
207 return 1;
208 }
209
210 /* multi connection */
211 conns = 0;
212 prev_nid = 0;
213 for (i = 0; i < conn_len; i++) {
214 int range_val;
215 hda_nid_t val, n;
216
217 if (i % num_elems == 0)
218 parm = snd_hda_codec_read(codec, nid, 0,
219 AC_VERB_GET_CONNECT_LIST, i);
220 range_val = !!(parm & (1 << (shift-1))); /* ranges */
221 val = parm & mask;
222 parm >>= shift;
223 if (range_val) {
224 /* ranges between the previous and this one */
225 if (!prev_nid || prev_nid >= val) {
226 snd_printk(KERN_WARNING "hda_codec: "
227 "invalid dep_range_val %x:%x\n",
228 prev_nid, val);
229 continue;
230 }
231 for (n = prev_nid + 1; n <= val; n++) {
232 if (conns >= max_conns) {
233 snd_printk(KERN_ERR
234 "Too many connections\n");
235 return -EINVAL;
236 }
237 conn_list[conns++] = n;
238 }
239 } else {
240 if (conns >= max_conns) {
241 snd_printk(KERN_ERR "Too many connections\n");
242 return -EINVAL;
243 }
244 conn_list[conns++] = val;
245 }
246 prev_nid = val;
247 }
248 return conns;
249 }
250
251
252 /**
253 * snd_hda_queue_unsol_event - add an unsolicited event to queue
254 * @bus: the BUS
255 * @res: unsolicited event (lower 32bit of RIRB entry)
256 * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
257 *
258 * Adds the given event to the queue. The events are processed in
259 * the workqueue asynchronously. Call this function in the interrupt
260 * hanlder when RIRB receives an unsolicited event.
261 *
262 * Returns 0 if successful, or a negative error code.
263 */
264 int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
265 {
266 struct hda_bus_unsolicited *unsol;
267 unsigned int wp;
268
269 unsol = bus->unsol;
270 if (!unsol)
271 return 0;
272
273 wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
274 unsol->wp = wp;
275
276 wp <<= 1;
277 unsol->queue[wp] = res;
278 unsol->queue[wp + 1] = res_ex;
279
280 schedule_work(&unsol->work);
281
282 return 0;
283 }
284
285 /*
286 * process queueud unsolicited events
287 */
288 static void process_unsol_events(struct work_struct *work)
289 {
290 struct hda_bus_unsolicited *unsol =
291 container_of(work, struct hda_bus_unsolicited, work);
292 struct hda_bus *bus = unsol->bus;
293 struct hda_codec *codec;
294 unsigned int rp, caddr, res;
295
296 while (unsol->rp != unsol->wp) {
297 rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE;
298 unsol->rp = rp;
299 rp <<= 1;
300 res = unsol->queue[rp];
301 caddr = unsol->queue[rp + 1];
302 if (!(caddr & (1 << 4))) /* no unsolicited event? */
303 continue;
304 codec = bus->caddr_tbl[caddr & 0x0f];
305 if (codec && codec->patch_ops.unsol_event)
306 codec->patch_ops.unsol_event(codec, res);
307 }
308 }
309
310 /*
311 * initialize unsolicited queue
312 */
313 static int __devinit init_unsol_queue(struct hda_bus *bus)
314 {
315 struct hda_bus_unsolicited *unsol;
316
317 if (bus->unsol) /* already initialized */
318 return 0;
319
320 unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
321 if (!unsol) {
322 snd_printk(KERN_ERR "hda_codec: "
323 "can't allocate unsolicited queue\n");
324 return -ENOMEM;
325 }
326 INIT_WORK(&unsol->work, process_unsol_events);
327 unsol->bus = bus;
328 bus->unsol = unsol;
329 return 0;
330 }
331
332 /*
333 * destructor
334 */
335 static void snd_hda_codec_free(struct hda_codec *codec);
336
337 static int snd_hda_bus_free(struct hda_bus *bus)
338 {
339 struct hda_codec *codec, *n;
340
341 if (!bus)
342 return 0;
343 if (bus->unsol) {
344 flush_scheduled_work();
345 kfree(bus->unsol);
346 }
347 list_for_each_entry_safe(codec, n, &bus->codec_list, list) {
348 snd_hda_codec_free(codec);
349 }
350 if (bus->ops.private_free)
351 bus->ops.private_free(bus);
352 kfree(bus);
353 return 0;
354 }
355
356 static int snd_hda_bus_dev_free(struct snd_device *device)
357 {
358 struct hda_bus *bus = device->device_data;
359 return snd_hda_bus_free(bus);
360 }
361
362 /**
363 * snd_hda_bus_new - create a HDA bus
364 * @card: the card entry
365 * @temp: the template for hda_bus information
366 * @busp: the pointer to store the created bus instance
367 *
368 * Returns 0 if successful, or a negative error code.
369 */
370 int __devinit snd_hda_bus_new(struct snd_card *card,
371 const struct hda_bus_template *temp,
372 struct hda_bus **busp)
373 {
374 struct hda_bus *bus;
375 int err;
376 static struct snd_device_ops dev_ops = {
377 .dev_free = snd_hda_bus_dev_free,
378 };
379
380 snd_assert(temp, return -EINVAL);
381 snd_assert(temp->ops.command && temp->ops.get_response, return -EINVAL);
382
383 if (busp)
384 *busp = NULL;
385
386 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
387 if (bus == NULL) {
388 snd_printk(KERN_ERR "can't allocate struct hda_bus\n");
389 return -ENOMEM;
390 }
391
392 bus->card = card;
393 bus->private_data = temp->private_data;
394 bus->pci = temp->pci;
395 bus->modelname = temp->modelname;
396 bus->ops = temp->ops;
397
398 mutex_init(&bus->cmd_mutex);
399 INIT_LIST_HEAD(&bus->codec_list);
400
401 err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
402 if (err < 0) {
403 snd_hda_bus_free(bus);
404 return err;
405 }
406 if (busp)
407 *busp = bus;
408 return 0;
409 }
410
411 #ifdef CONFIG_SND_HDA_GENERIC
412 #define is_generic_config(codec) \
413 (codec->bus->modelname && !strcmp(codec->bus->modelname, "generic"))
414 #else
415 #define is_generic_config(codec) 0
416 #endif
417
418 /*
419 * find a matching codec preset
420 */
421 static const struct hda_codec_preset __devinit *
422 find_codec_preset(struct hda_codec *codec)
423 {
424 const struct hda_codec_preset **tbl, *preset;
425
426 if (is_generic_config(codec))
427 return NULL; /* use the generic parser */
428
429 for (tbl = hda_preset_tables; *tbl; tbl++) {
430 for (preset = *tbl; preset->id; preset++) {
431 u32 mask = preset->mask;
432 if (preset->afg && preset->afg != codec->afg)
433 continue;
434 if (preset->mfg && preset->mfg != codec->mfg)
435 continue;
436 if (!mask)
437 mask = ~0;
438 if (preset->id == (codec->vendor_id & mask) &&
439 (!preset->rev ||
440 preset->rev == codec->revision_id))
441 return preset;
442 }
443 }
444 return NULL;
445 }
446
447 /*
448 * snd_hda_get_codec_name - store the codec name
449 */
450 void snd_hda_get_codec_name(struct hda_codec *codec,
451 char *name, int namelen)
452 {
453 const struct hda_vendor_id *c;
454 const char *vendor = NULL;
455 u16 vendor_id = codec->vendor_id >> 16;
456 char tmp[16];
457
458 for (c = hda_vendor_ids; c->id; c++) {
459 if (c->id == vendor_id) {
460 vendor = c->name;
461 break;
462 }
463 }
464 if (!vendor) {
465 sprintf(tmp, "Generic %04x", vendor_id);
466 vendor = tmp;
467 }
468 if (codec->preset && codec->preset->name)
469 snprintf(name, namelen, "%s %s", vendor, codec->preset->name);
470 else
471 snprintf(name, namelen, "%s ID %x", vendor,
472 codec->vendor_id & 0xffff);
473 }
474
475 /*
476 * look for an AFG and MFG nodes
477 */
478 static void __devinit setup_fg_nodes(struct hda_codec *codec)
479 {
480 int i, total_nodes;
481 hda_nid_t nid;
482
483 total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
484 for (i = 0; i < total_nodes; i++, nid++) {
485 unsigned int func;
486 func = snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE);
487 switch (func & 0xff) {
488 case AC_GRP_AUDIO_FUNCTION:
489 codec->afg = nid;
490 break;
491 case AC_GRP_MODEM_FUNCTION:
492 codec->mfg = nid;
493 break;
494 default:
495 break;
496 }
497 }
498 }
499
500 /*
501 * read widget caps for each widget and store in cache
502 */
503 static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
504 {
505 int i;
506 hda_nid_t nid;
507
508 codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node,
509 &codec->start_nid);
510 codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL);
511 if (!codec->wcaps)
512 return -ENOMEM;
513 nid = codec->start_nid;
514 for (i = 0; i < codec->num_nodes; i++, nid++)
515 codec->wcaps[i] = snd_hda_param_read(codec, nid,
516 AC_PAR_AUDIO_WIDGET_CAP);
517 return 0;
518 }
519
520
521 static void init_hda_cache(struct hda_cache_rec *cache,
522 unsigned int record_size);
523 static void free_hda_cache(struct hda_cache_rec *cache);
524
525 /*
526 * codec destructor
527 */
528 static void snd_hda_codec_free(struct hda_codec *codec)
529 {
530 if (!codec)
531 return;
532 #ifdef CONFIG_SND_HDA_POWER_SAVE
533 cancel_delayed_work(&codec->power_work);
534 flush_scheduled_work();
535 #endif
536 list_del(&codec->list);
537 codec->bus->caddr_tbl[codec->addr] = NULL;
538 if (codec->patch_ops.free)
539 codec->patch_ops.free(codec);
540 free_hda_cache(&codec->amp_cache);
541 free_hda_cache(&codec->cmd_cache);
542 kfree(codec->wcaps);
543 kfree(codec);
544 }
545
546 /**
547 * snd_hda_codec_new - create a HDA codec
548 * @bus: the bus to assign
549 * @codec_addr: the codec address
550 * @codecp: the pointer to store the generated codec
551 *
552 * Returns 0 if successful, or a negative error code.
553 */
554 int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
555 struct hda_codec **codecp)
556 {
557 struct hda_codec *codec;
558 char component[13];
559 int err;
560
561 snd_assert(bus, return -EINVAL);
562 snd_assert(codec_addr <= HDA_MAX_CODEC_ADDRESS, return -EINVAL);
563
564 if (bus->caddr_tbl[codec_addr]) {
565 snd_printk(KERN_ERR "hda_codec: "
566 "address 0x%x is already occupied\n", codec_addr);
567 return -EBUSY;
568 }
569
570 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
571 if (codec == NULL) {
572 snd_printk(KERN_ERR "can't allocate struct hda_codec\n");
573 return -ENOMEM;
574 }
575
576 codec->bus = bus;
577 codec->addr = codec_addr;
578 mutex_init(&codec->spdif_mutex);
579 init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
580 init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
581
582 #ifdef CONFIG_SND_HDA_POWER_SAVE
583 INIT_DELAYED_WORK(&codec->power_work, hda_power_work);
584 /* snd_hda_codec_new() marks the codec as power-up, and leave it as is.
585 * the caller has to power down appropriatley after initialization
586 * phase.
587 */
588 hda_keep_power_on(codec);
589 #endif
590
591 list_add_tail(&codec->list, &bus->codec_list);
592 bus->caddr_tbl[codec_addr] = codec;
593
594 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
595 AC_PAR_VENDOR_ID);
596 if (codec->vendor_id == -1)
597 /* read again, hopefully the access method was corrected
598 * in the last read...
599 */
600 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
601 AC_PAR_VENDOR_ID);
602 codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT,
603 AC_PAR_SUBSYSTEM_ID);
604 codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT,
605 AC_PAR_REV_ID);
606
607 setup_fg_nodes(codec);
608 if (!codec->afg && !codec->mfg) {
609 snd_printdd("hda_codec: no AFG or MFG node found\n");
610 snd_hda_codec_free(codec);
611 return -ENODEV;
612 }
613
614 if (read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg) < 0) {
615 snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
616 snd_hda_codec_free(codec);
617 return -ENOMEM;
618 }
619
620 if (!codec->subsystem_id) {
621 hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
622 codec->subsystem_id =
623 snd_hda_codec_read(codec, nid, 0,
624 AC_VERB_GET_SUBSYSTEM_ID, 0);
625 }
626
627 codec->preset = find_codec_preset(codec);
628 /* audio codec should override the mixer name */
629 if (codec->afg || !*bus->card->mixername)
630 snd_hda_get_codec_name(codec, bus->card->mixername,
631 sizeof(bus->card->mixername));
632
633 if (is_generic_config(codec)) {
634 err = snd_hda_parse_generic_codec(codec);
635 goto patched;
636 }
637 if (codec->preset && codec->preset->patch) {
638 err = codec->preset->patch(codec);
639 goto patched;
640 }
641
642 /* call the default parser */
643 err = snd_hda_parse_generic_codec(codec);
644 if (err < 0)
645 printk(KERN_ERR "hda-codec: No codec parser is available\n");
646
647 patched:
648 if (err < 0) {
649 snd_hda_codec_free(codec);
650 return err;
651 }
652
653 if (codec->patch_ops.unsol_event)
654 init_unsol_queue(bus);
655
656 snd_hda_codec_proc_new(codec);
657 #ifdef CONFIG_SND_HDA_HWDEP
658 snd_hda_create_hwdep(codec);
659 #endif
660
661 sprintf(component, "HDA:%08x", codec->vendor_id);
662 snd_component_add(codec->bus->card, component);
663
664 if (codecp)
665 *codecp = codec;
666 return 0;
667 }
668
669 /**
670 * snd_hda_codec_setup_stream - set up the codec for streaming
671 * @codec: the CODEC to set up
672 * @nid: the NID to set up
673 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
674 * @channel_id: channel id to pass, zero based.
675 * @format: stream format.
676 */
677 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
678 u32 stream_tag,
679 int channel_id, int format)
680 {
681 if (!nid)
682 return;
683
684 snd_printdd("hda_codec_setup_stream: "
685 "NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
686 nid, stream_tag, channel_id, format);
687 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID,
688 (stream_tag << 4) | channel_id);
689 msleep(1);
690 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
691 }
692
693 /*
694 * amp access functions
695 */
696
697 /* FIXME: more better hash key? */
698 #define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
699 #define INFO_AMP_CAPS (1<<0)
700 #define INFO_AMP_VOL(ch) (1 << (1 + (ch)))
701
702 /* initialize the hash table */
703 static void __devinit init_hda_cache(struct hda_cache_rec *cache,
704 unsigned int record_size)
705 {
706 memset(cache, 0, sizeof(*cache));
707 memset(cache->hash, 0xff, sizeof(cache->hash));
708 cache->record_size = record_size;
709 }
710
711 static void free_hda_cache(struct hda_cache_rec *cache)
712 {
713 kfree(cache->buffer);
714 }
715
716 /* query the hash. allocate an entry if not found. */
717 static struct hda_cache_head *get_alloc_hash(struct hda_cache_rec *cache,
718 u32 key)
719 {
720 u16 idx = key % (u16)ARRAY_SIZE(cache->hash);
721 u16 cur = cache->hash[idx];
722 struct hda_cache_head *info;
723
724 while (cur != 0xffff) {
725 info = (struct hda_cache_head *)(cache->buffer +
726 cur * cache->record_size);
727 if (info->key == key)
728 return info;
729 cur = info->next;
730 }
731
732 /* add a new hash entry */
733 if (cache->num_entries >= cache->size) {
734 /* reallocate the array */
735 unsigned int new_size = cache->size + 64;
736 void *new_buffer;
737 new_buffer = kcalloc(new_size, cache->record_size, GFP_KERNEL);
738 if (!new_buffer) {
739 snd_printk(KERN_ERR "hda_codec: "
740 "can't malloc amp_info\n");
741 return NULL;
742 }
743 if (cache->buffer) {
744 memcpy(new_buffer, cache->buffer,
745 cache->size * cache->record_size);
746 kfree(cache->buffer);
747 }
748 cache->size = new_size;
749 cache->buffer = new_buffer;
750 }
751 cur = cache->num_entries++;
752 info = (struct hda_cache_head *)(cache->buffer +
753 cur * cache->record_size);
754 info->key = key;
755 info->val = 0;
756 info->next = cache->hash[idx];
757 cache->hash[idx] = cur;
758
759 return info;
760 }
761
762 /* query and allocate an amp hash entry */
763 static inline struct hda_amp_info *
764 get_alloc_amp_hash(struct hda_codec *codec, u32 key)
765 {
766 return (struct hda_amp_info *)get_alloc_hash(&codec->amp_cache, key);
767 }
768
769 /*
770 * query AMP capabilities for the given widget and direction
771 */
772 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
773 {
774 struct hda_amp_info *info;
775
776 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0));
777 if (!info)
778 return 0;
779 if (!(info->head.val & INFO_AMP_CAPS)) {
780 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
781 nid = codec->afg;
782 info->amp_caps = snd_hda_param_read(codec, nid,
783 direction == HDA_OUTPUT ?
784 AC_PAR_AMP_OUT_CAP :
785 AC_PAR_AMP_IN_CAP);
786 if (info->amp_caps)
787 info->head.val |= INFO_AMP_CAPS;
788 }
789 return info->amp_caps;
790 }
791
792 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
793 unsigned int caps)
794 {
795 struct hda_amp_info *info;
796
797 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, dir, 0));
798 if (!info)
799 return -EINVAL;
800 info->amp_caps = caps;
801 info->head.val |= INFO_AMP_CAPS;
802 return 0;
803 }
804
805 /*
806 * read the current volume to info
807 * if the cache exists, read the cache value.
808 */
809 static unsigned int get_vol_mute(struct hda_codec *codec,
810 struct hda_amp_info *info, hda_nid_t nid,
811 int ch, int direction, int index)
812 {
813 u32 val, parm;
814
815 if (info->head.val & INFO_AMP_VOL(ch))
816 return info->vol[ch];
817
818 parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
819 parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
820 parm |= index;
821 val = snd_hda_codec_read(codec, nid, 0,
822 AC_VERB_GET_AMP_GAIN_MUTE, parm);
823 info->vol[ch] = val & 0xff;
824 info->head.val |= INFO_AMP_VOL(ch);
825 return info->vol[ch];
826 }
827
828 /*
829 * write the current volume in info to the h/w and update the cache
830 */
831 static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
832 hda_nid_t nid, int ch, int direction, int index,
833 int val)
834 {
835 u32 parm;
836
837 parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
838 parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
839 parm |= index << AC_AMP_SET_INDEX_SHIFT;
840 parm |= val;
841 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
842 info->vol[ch] = val;
843 }
844
845 /*
846 * read AMP value. The volume is between 0 to 0x7f, 0x80 = mute bit.
847 */
848 int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
849 int direction, int index)
850 {
851 struct hda_amp_info *info;
852 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
853 if (!info)
854 return 0;
855 return get_vol_mute(codec, info, nid, ch, direction, index);
856 }
857
858 /*
859 * update the AMP value, mask = bit mask to set, val = the value
860 */
861 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
862 int direction, int idx, int mask, int val)
863 {
864 struct hda_amp_info *info;
865
866 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx));
867 if (!info)
868 return 0;
869 val &= mask;
870 val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask;
871 if (info->vol[ch] == val)
872 return 0;
873 put_vol_mute(codec, info, nid, ch, direction, idx, val);
874 return 1;
875 }
876
877 /*
878 * update the AMP stereo with the same mask and value
879 */
880 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
881 int direction, int idx, int mask, int val)
882 {
883 int ch, ret = 0;
884 for (ch = 0; ch < 2; ch++)
885 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
886 idx, mask, val);
887 return ret;
888 }
889
890 #ifdef SND_HDA_NEEDS_RESUME
891 /* resume the all amp commands from the cache */
892 void snd_hda_codec_resume_amp(struct hda_codec *codec)
893 {
894 struct hda_amp_info *buffer = codec->amp_cache.buffer;
895 int i;
896
897 for (i = 0; i < codec->amp_cache.size; i++, buffer++) {
898 u32 key = buffer->head.key;
899 hda_nid_t nid;
900 unsigned int idx, dir, ch;
901 if (!key)
902 continue;
903 nid = key & 0xff;
904 idx = (key >> 16) & 0xff;
905 dir = (key >> 24) & 0xff;
906 for (ch = 0; ch < 2; ch++) {
907 if (!(buffer->head.val & INFO_AMP_VOL(ch)))
908 continue;
909 put_vol_mute(codec, buffer, nid, ch, dir, idx,
910 buffer->vol[ch]);
911 }
912 }
913 }
914 #endif /* SND_HDA_NEEDS_RESUME */
915
916 /*
917 * AMP control callbacks
918 */
919 /* retrieve parameters from private_value */
920 #define get_amp_nid(kc) ((kc)->private_value & 0xffff)
921 #define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3)
922 #define get_amp_direction(kc) (((kc)->private_value >> 18) & 0x1)
923 #define get_amp_index(kc) (((kc)->private_value >> 19) & 0xf)
924
925 /* volume */
926 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
927 struct snd_ctl_elem_info *uinfo)
928 {
929 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
930 u16 nid = get_amp_nid(kcontrol);
931 u8 chs = get_amp_channels(kcontrol);
932 int dir = get_amp_direction(kcontrol);
933 u32 caps;
934
935 caps = query_amp_caps(codec, nid, dir);
936 /* num steps */
937 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
938 if (!caps) {
939 printk(KERN_WARNING "hda_codec: "
940 "num_steps = 0 for NID=0x%x (ctl = %s)\n", nid,
941 kcontrol->id.name);
942 return -EINVAL;
943 }
944 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
945 uinfo->count = chs == 3 ? 2 : 1;
946 uinfo->value.integer.min = 0;
947 uinfo->value.integer.max = caps;
948 return 0;
949 }
950
951 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
952 struct snd_ctl_elem_value *ucontrol)
953 {
954 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
955 hda_nid_t nid = get_amp_nid(kcontrol);
956 int chs = get_amp_channels(kcontrol);
957 int dir = get_amp_direction(kcontrol);
958 int idx = get_amp_index(kcontrol);
959 long *valp = ucontrol->value.integer.value;
960
961 if (chs & 1)
962 *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx)
963 & HDA_AMP_VOLMASK;
964 if (chs & 2)
965 *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx)
966 & HDA_AMP_VOLMASK;
967 return 0;
968 }
969
970 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
971 struct snd_ctl_elem_value *ucontrol)
972 {
973 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
974 hda_nid_t nid = get_amp_nid(kcontrol);
975 int chs = get_amp_channels(kcontrol);
976 int dir = get_amp_direction(kcontrol);
977 int idx = get_amp_index(kcontrol);
978 long *valp = ucontrol->value.integer.value;
979 int change = 0;
980
981 snd_hda_power_up(codec);
982 if (chs & 1) {
983 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
984 0x7f, *valp);
985 valp++;
986 }
987 if (chs & 2)
988 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
989 0x7f, *valp);
990 snd_hda_power_down(codec);
991 return change;
992 }
993
994 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
995 unsigned int size, unsigned int __user *_tlv)
996 {
997 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
998 hda_nid_t nid = get_amp_nid(kcontrol);
999 int dir = get_amp_direction(kcontrol);
1000 u32 caps, val1, val2;
1001
1002 if (size < 4 * sizeof(unsigned int))
1003 return -ENOMEM;
1004 caps = query_amp_caps(codec, nid, dir);
1005 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1006 val2 = (val2 + 1) * 25;
1007 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1008 val1 = ((int)val1) * ((int)val2);
1009 if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
1010 return -EFAULT;
1011 if (put_user(2 * sizeof(unsigned int), _tlv + 1))
1012 return -EFAULT;
1013 if (put_user(val1, _tlv + 2))
1014 return -EFAULT;
1015 if (put_user(val2, _tlv + 3))
1016 return -EFAULT;
1017 return 0;
1018 }
1019
1020 /*
1021 * set (static) TLV for virtual master volume; recalculated as max 0dB
1022 */
1023 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1024 unsigned int *tlv)
1025 {
1026 u32 caps;
1027 int nums, step;
1028
1029 caps = query_amp_caps(codec, nid, dir);
1030 nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1031 step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1032 step = (step + 1) * 25;
1033 tlv[0] = SNDRV_CTL_TLVT_DB_SCALE;
1034 tlv[1] = 2 * sizeof(unsigned int);
1035 tlv[2] = -nums * step;
1036 tlv[3] = step;
1037 }
1038
1039 /* find a mixer control element with the given name */
1040 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1041 const char *name)
1042 {
1043 struct snd_ctl_elem_id id;
1044 memset(&id, 0, sizeof(id));
1045 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1046 strcpy(id.name, name);
1047 return snd_ctl_find_id(codec->bus->card, &id);
1048 }
1049
1050 /* create a virtual master control and add slaves */
1051 int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
1052 unsigned int *tlv, const char **slaves)
1053 {
1054 struct snd_kcontrol *kctl;
1055 const char **s;
1056 int err;
1057
1058 kctl = snd_ctl_make_virtual_master(name, tlv);
1059 if (!kctl)
1060 return -ENOMEM;
1061 err = snd_ctl_add(codec->bus->card, kctl);
1062 if (err < 0)
1063 return err;
1064
1065 for (s = slaves; *s; s++) {
1066 struct snd_kcontrol *sctl;
1067
1068 sctl = snd_hda_find_mixer_ctl(codec, *s);
1069 if (!sctl) {
1070 snd_printdd("Cannot find slave %s, skipped\n", *s);
1071 continue;
1072 }
1073 err = snd_ctl_add_slave(kctl, sctl);
1074 if (err < 0)
1075 return err;
1076 }
1077 return 0;
1078 }
1079
1080 /* switch */
1081 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
1082 struct snd_ctl_elem_info *uinfo)
1083 {
1084 int chs = get_amp_channels(kcontrol);
1085
1086 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1087 uinfo->count = chs == 3 ? 2 : 1;
1088 uinfo->value.integer.min = 0;
1089 uinfo->value.integer.max = 1;
1090 return 0;
1091 }
1092
1093 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
1094 struct snd_ctl_elem_value *ucontrol)
1095 {
1096 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1097 hda_nid_t nid = get_amp_nid(kcontrol);
1098 int chs = get_amp_channels(kcontrol);
1099 int dir = get_amp_direction(kcontrol);
1100 int idx = get_amp_index(kcontrol);
1101 long *valp = ucontrol->value.integer.value;
1102
1103 if (chs & 1)
1104 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
1105 HDA_AMP_MUTE) ? 0 : 1;
1106 if (chs & 2)
1107 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
1108 HDA_AMP_MUTE) ? 0 : 1;
1109 return 0;
1110 }
1111
1112 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
1113 struct snd_ctl_elem_value *ucontrol)
1114 {
1115 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1116 hda_nid_t nid = get_amp_nid(kcontrol);
1117 int chs = get_amp_channels(kcontrol);
1118 int dir = get_amp_direction(kcontrol);
1119 int idx = get_amp_index(kcontrol);
1120 long *valp = ucontrol->value.integer.value;
1121 int change = 0;
1122
1123 snd_hda_power_up(codec);
1124 if (chs & 1) {
1125 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
1126 HDA_AMP_MUTE,
1127 *valp ? 0 : HDA_AMP_MUTE);
1128 valp++;
1129 }
1130 if (chs & 2)
1131 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
1132 HDA_AMP_MUTE,
1133 *valp ? 0 : HDA_AMP_MUTE);
1134 #ifdef CONFIG_SND_HDA_POWER_SAVE
1135 if (codec->patch_ops.check_power_status)
1136 codec->patch_ops.check_power_status(codec, nid);
1137 #endif
1138 snd_hda_power_down(codec);
1139 return change;
1140 }
1141
1142 /*
1143 * bound volume controls
1144 *
1145 * bind multiple volumes (# indices, from 0)
1146 */
1147
1148 #define AMP_VAL_IDX_SHIFT 19
1149 #define AMP_VAL_IDX_MASK (0x0f<<19)
1150
1151 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
1152 struct snd_ctl_elem_value *ucontrol)
1153 {
1154 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1155 unsigned long pval;
1156 int err;
1157
1158 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1159 pval = kcontrol->private_value;
1160 kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
1161 err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
1162 kcontrol->private_value = pval;
1163 mutex_unlock(&codec->spdif_mutex);
1164 return err;
1165 }
1166
1167 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
1168 struct snd_ctl_elem_value *ucontrol)
1169 {
1170 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1171 unsigned long pval;
1172 int i, indices, err = 0, change = 0;
1173
1174 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1175 pval = kcontrol->private_value;
1176 indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
1177 for (i = 0; i < indices; i++) {
1178 kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) |
1179 (i << AMP_VAL_IDX_SHIFT);
1180 err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
1181 if (err < 0)
1182 break;
1183 change |= err;
1184 }
1185 kcontrol->private_value = pval;
1186 mutex_unlock(&codec->spdif_mutex);
1187 return err < 0 ? err : change;
1188 }
1189
1190 /*
1191 * generic bound volume/swtich controls
1192 */
1193 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
1194 struct snd_ctl_elem_info *uinfo)
1195 {
1196 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1197 struct hda_bind_ctls *c;
1198 int err;
1199
1200 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1201 c = (struct hda_bind_ctls *)kcontrol->private_value;
1202 kcontrol->private_value = *c->values;
1203 err = c->ops->info(kcontrol, uinfo);
1204 kcontrol->private_value = (long)c;
1205 mutex_unlock(&codec->spdif_mutex);
1206 return err;
1207 }
1208
1209 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
1210 struct snd_ctl_elem_value *ucontrol)
1211 {
1212 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1213 struct hda_bind_ctls *c;
1214 int err;
1215
1216 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1217 c = (struct hda_bind_ctls *)kcontrol->private_value;
1218 kcontrol->private_value = *c->values;
1219 err = c->ops->get(kcontrol, ucontrol);
1220 kcontrol->private_value = (long)c;
1221 mutex_unlock(&codec->spdif_mutex);
1222 return err;
1223 }
1224
1225 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
1226 struct snd_ctl_elem_value *ucontrol)
1227 {
1228 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1229 struct hda_bind_ctls *c;
1230 unsigned long *vals;
1231 int err = 0, change = 0;
1232
1233 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1234 c = (struct hda_bind_ctls *)kcontrol->private_value;
1235 for (vals = c->values; *vals; vals++) {
1236 kcontrol->private_value = *vals;
1237 err = c->ops->put(kcontrol, ucontrol);
1238 if (err < 0)
1239 break;
1240 change |= err;
1241 }
1242 kcontrol->private_value = (long)c;
1243 mutex_unlock(&codec->spdif_mutex);
1244 return err < 0 ? err : change;
1245 }
1246
1247 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1248 unsigned int size, unsigned int __user *tlv)
1249 {
1250 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1251 struct hda_bind_ctls *c;
1252 int err;
1253
1254 mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
1255 c = (struct hda_bind_ctls *)kcontrol->private_value;
1256 kcontrol->private_value = *c->values;
1257 err = c->ops->tlv(kcontrol, op_flag, size, tlv);
1258 kcontrol->private_value = (long)c;
1259 mutex_unlock(&codec->spdif_mutex);
1260 return err;
1261 }
1262
1263 struct hda_ctl_ops snd_hda_bind_vol = {
1264 .info = snd_hda_mixer_amp_volume_info,
1265 .get = snd_hda_mixer_amp_volume_get,
1266 .put = snd_hda_mixer_amp_volume_put,
1267 .tlv = snd_hda_mixer_amp_tlv
1268 };
1269
1270 struct hda_ctl_ops snd_hda_bind_sw = {
1271 .info = snd_hda_mixer_amp_switch_info,
1272 .get = snd_hda_mixer_amp_switch_get,
1273 .put = snd_hda_mixer_amp_switch_put,
1274 .tlv = snd_hda_mixer_amp_tlv
1275 };
1276
1277 /*
1278 * SPDIF out controls
1279 */
1280
1281 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
1282 struct snd_ctl_elem_info *uinfo)
1283 {
1284 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1285 uinfo->count = 1;
1286 return 0;
1287 }
1288
1289 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
1290 struct snd_ctl_elem_value *ucontrol)
1291 {
1292 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1293 IEC958_AES0_NONAUDIO |
1294 IEC958_AES0_CON_EMPHASIS_5015 |
1295 IEC958_AES0_CON_NOT_COPYRIGHT;
1296 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
1297 IEC958_AES1_CON_ORIGINAL;
1298 return 0;
1299 }
1300
1301 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
1302 struct snd_ctl_elem_value *ucontrol)
1303 {
1304 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1305 IEC958_AES0_NONAUDIO |
1306 IEC958_AES0_PRO_EMPHASIS_5015;
1307 return 0;
1308 }
1309
1310 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
1311 struct snd_ctl_elem_value *ucontrol)
1312 {
1313 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1314
1315 ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff;
1316 ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff;
1317 ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff;
1318 ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff;
1319
1320 return 0;
1321 }
1322
1323 /* convert from SPDIF status bits to HDA SPDIF bits
1324 * bit 0 (DigEn) is always set zero (to be filled later)
1325 */
1326 static unsigned short convert_from_spdif_status(unsigned int sbits)
1327 {
1328 unsigned short val = 0;
1329
1330 if (sbits & IEC958_AES0_PROFESSIONAL)
1331 val |= AC_DIG1_PROFESSIONAL;
1332 if (sbits & IEC958_AES0_NONAUDIO)
1333 val |= AC_DIG1_NONAUDIO;
1334 if (sbits & IEC958_AES0_PROFESSIONAL) {
1335 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
1336 IEC958_AES0_PRO_EMPHASIS_5015)
1337 val |= AC_DIG1_EMPHASIS;
1338 } else {
1339 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
1340 IEC958_AES0_CON_EMPHASIS_5015)
1341 val |= AC_DIG1_EMPHASIS;
1342 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
1343 val |= AC_DIG1_COPYRIGHT;
1344 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
1345 val |= AC_DIG1_LEVEL;
1346 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
1347 }
1348 return val;
1349 }
1350
1351 /* convert to SPDIF status bits from HDA SPDIF bits
1352 */
1353 static unsigned int convert_to_spdif_status(unsigned short val)
1354 {
1355 unsigned int sbits = 0;
1356
1357 if (val & AC_DIG1_NONAUDIO)
1358 sbits |= IEC958_AES0_NONAUDIO;
1359 if (val & AC_DIG1_PROFESSIONAL)
1360 sbits |= IEC958_AES0_PROFESSIONAL;
1361 if (sbits & IEC958_AES0_PROFESSIONAL) {
1362 if (sbits & AC_DIG1_EMPHASIS)
1363 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
1364 } else {
1365 if (val & AC_DIG1_EMPHASIS)
1366 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
1367 if (!(val & AC_DIG1_COPYRIGHT))
1368 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
1369 if (val & AC_DIG1_LEVEL)
1370 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
1371 sbits |= val & (0x7f << 8);
1372 }
1373 return sbits;
1374 }
1375
1376 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
1377 struct snd_ctl_elem_value *ucontrol)
1378 {
1379 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1380 hda_nid_t nid = kcontrol->private_value;
1381 unsigned short val;
1382 int change;
1383
1384 mutex_lock(&codec->spdif_mutex);
1385 codec->spdif_status = ucontrol->value.iec958.status[0] |
1386 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
1387 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
1388 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
1389 val = convert_from_spdif_status(codec->spdif_status);
1390 val |= codec->spdif_ctls & 1;
1391 change = codec->spdif_ctls != val;
1392 codec->spdif_ctls = val;
1393
1394 if (change) {
1395 snd_hda_codec_write_cache(codec, nid, 0,
1396 AC_VERB_SET_DIGI_CONVERT_1,
1397 val & 0xff);
1398 snd_hda_codec_write_cache(codec, nid, 0,
1399 AC_VERB_SET_DIGI_CONVERT_2,
1400 val >> 8);
1401 }
1402
1403 mutex_unlock(&codec->spdif_mutex);
1404 return change;
1405 }
1406
1407 #define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
1408
1409 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
1410 struct snd_ctl_elem_value *ucontrol)
1411 {
1412 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1413
1414 ucontrol->value.integer.value[0] = codec->spdif_ctls & AC_DIG1_ENABLE;
1415 return 0;
1416 }
1417
1418 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
1419 struct snd_ctl_elem_value *ucontrol)
1420 {
1421 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1422 hda_nid_t nid = kcontrol->private_value;
1423 unsigned short val;
1424 int change;
1425
1426 mutex_lock(&codec->spdif_mutex);
1427 val = codec->spdif_ctls & ~AC_DIG1_ENABLE;
1428 if (ucontrol->value.integer.value[0])
1429 val |= AC_DIG1_ENABLE;
1430 change = codec->spdif_ctls != val;
1431 if (change) {
1432 codec->spdif_ctls = val;
1433 snd_hda_codec_write_cache(codec, nid, 0,
1434 AC_VERB_SET_DIGI_CONVERT_1,
1435 val & 0xff);
1436 /* unmute amp switch (if any) */
1437 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
1438 (val & AC_DIG1_ENABLE))
1439 snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
1440 HDA_AMP_MUTE, 0);
1441 }
1442 mutex_unlock(&codec->spdif_mutex);
1443 return change;
1444 }
1445
1446 static struct snd_kcontrol_new dig_mixes[] = {
1447 {
1448 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1449 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1450 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1451 .info = snd_hda_spdif_mask_info,
1452 .get = snd_hda_spdif_cmask_get,
1453 },
1454 {
1455 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1456 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1457 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1458 .info = snd_hda_spdif_mask_info,
1459 .get = snd_hda_spdif_pmask_get,
1460 },
1461 {
1462 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1463 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1464 .info = snd_hda_spdif_mask_info,
1465 .get = snd_hda_spdif_default_get,
1466 .put = snd_hda_spdif_default_put,
1467 },
1468 {
1469 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1470 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1471 .info = snd_hda_spdif_out_switch_info,
1472 .get = snd_hda_spdif_out_switch_get,
1473 .put = snd_hda_spdif_out_switch_put,
1474 },
1475 { } /* end */
1476 };
1477
1478 /**
1479 * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1480 * @codec: the HDA codec
1481 * @nid: audio out widget NID
1482 *
1483 * Creates controls related with the SPDIF output.
1484 * Called from each patch supporting the SPDIF out.
1485 *
1486 * Returns 0 if successful, or a negative error code.
1487 */
1488 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid)
1489 {
1490 int err;
1491 struct snd_kcontrol *kctl;
1492 struct snd_kcontrol_new *dig_mix;
1493
1494 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
1495 kctl = snd_ctl_new1(dig_mix, codec);
1496 kctl->private_value = nid;
1497 err = snd_ctl_add(codec->bus->card, kctl);
1498 if (err < 0)
1499 return err;
1500 }
1501 codec->spdif_ctls =
1502 snd_hda_codec_read(codec, nid, 0,
1503 AC_VERB_GET_DIGI_CONVERT_1, 0);
1504 codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
1505 return 0;
1506 }
1507
1508 /*
1509 * SPDIF input
1510 */
1511
1512 #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
1513
1514 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
1515 struct snd_ctl_elem_value *ucontrol)
1516 {
1517 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1518
1519 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
1520 return 0;
1521 }
1522
1523 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
1524 struct snd_ctl_elem_value *ucontrol)
1525 {
1526 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1527 hda_nid_t nid = kcontrol->private_value;
1528 unsigned int val = !!ucontrol->value.integer.value[0];
1529 int change;
1530
1531 mutex_lock(&codec->spdif_mutex);
1532 change = codec->spdif_in_enable != val;
1533 if (change) {
1534 codec->spdif_in_enable = val;
1535 snd_hda_codec_write_cache(codec, nid, 0,
1536 AC_VERB_SET_DIGI_CONVERT_1, val);
1537 }
1538 mutex_unlock(&codec->spdif_mutex);
1539 return change;
1540 }
1541
1542 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
1543 struct snd_ctl_elem_value *ucontrol)
1544 {
1545 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1546 hda_nid_t nid = kcontrol->private_value;
1547 unsigned short val;
1548 unsigned int sbits;
1549
1550 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT_1, 0);
1551 sbits = convert_to_spdif_status(val);
1552 ucontrol->value.iec958.status[0] = sbits;
1553 ucontrol->value.iec958.status[1] = sbits >> 8;
1554 ucontrol->value.iec958.status[2] = sbits >> 16;
1555 ucontrol->value.iec958.status[3] = sbits >> 24;
1556 return 0;
1557 }
1558
1559 static struct snd_kcontrol_new dig_in_ctls[] = {
1560 {
1561 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1562 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
1563 .info = snd_hda_spdif_in_switch_info,
1564 .get = snd_hda_spdif_in_switch_get,
1565 .put = snd_hda_spdif_in_switch_put,
1566 },
1567 {
1568 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1569 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1570 .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1571 .info = snd_hda_spdif_mask_info,
1572 .get = snd_hda_spdif_in_status_get,
1573 },
1574 { } /* end */
1575 };
1576
1577 /**
1578 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1579 * @codec: the HDA codec
1580 * @nid: audio in widget NID
1581 *
1582 * Creates controls related with the SPDIF input.
1583 * Called from each patch supporting the SPDIF in.
1584 *
1585 * Returns 0 if successful, or a negative error code.
1586 */
1587 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
1588 {
1589 int err;
1590 struct snd_kcontrol *kctl;
1591 struct snd_kcontrol_new *dig_mix;
1592
1593 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
1594 kctl = snd_ctl_new1(dig_mix, codec);
1595 kctl->private_value = nid;
1596 err = snd_ctl_add(codec->bus->card, kctl);
1597 if (err < 0)
1598 return err;
1599 }
1600 codec->spdif_in_enable =
1601 snd_hda_codec_read(codec, nid, 0,
1602 AC_VERB_GET_DIGI_CONVERT_1, 0) &
1603 AC_DIG1_ENABLE;
1604 return 0;
1605 }
1606
1607 #ifdef SND_HDA_NEEDS_RESUME
1608 /*
1609 * command cache
1610 */
1611
1612 /* build a 32bit cache key with the widget id and the command parameter */
1613 #define build_cmd_cache_key(nid, verb) ((verb << 8) | nid)
1614 #define get_cmd_cache_nid(key) ((key) & 0xff)
1615 #define get_cmd_cache_cmd(key) (((key) >> 8) & 0xffff)
1616
1617 /**
1618 * snd_hda_codec_write_cache - send a single command with caching
1619 * @codec: the HDA codec
1620 * @nid: NID to send the command
1621 * @direct: direct flag
1622 * @verb: the verb to send
1623 * @parm: the parameter for the verb
1624 *
1625 * Send a single command without waiting for response.
1626 *
1627 * Returns 0 if successful, or a negative error code.
1628 */
1629 int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
1630 int direct, unsigned int verb, unsigned int parm)
1631 {
1632 int err;
1633 snd_hda_power_up(codec);
1634 mutex_lock(&codec->bus->cmd_mutex);
1635 err = codec->bus->ops.command(codec, nid, direct, verb, parm);
1636 if (!err) {
1637 struct hda_cache_head *c;
1638 u32 key = build_cmd_cache_key(nid, verb);
1639 c = get_alloc_hash(&codec->cmd_cache, key);
1640 if (c)
1641 c->val = parm;
1642 }
1643 mutex_unlock(&codec->bus->cmd_mutex);
1644 snd_hda_power_down(codec);
1645 return err;
1646 }
1647
1648 /* resume the all commands from the cache */
1649 void snd_hda_codec_resume_cache(struct hda_codec *codec)
1650 {
1651 struct hda_cache_head *buffer = codec->cmd_cache.buffer;
1652 int i;
1653
1654 for (i = 0; i < codec->cmd_cache.size; i++, buffer++) {
1655 u32 key = buffer->key;
1656 if (!key)
1657 continue;
1658 snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0,
1659 get_cmd_cache_cmd(key), buffer->val);
1660 }
1661 }
1662
1663 /**
1664 * snd_hda_sequence_write_cache - sequence writes with caching
1665 * @codec: the HDA codec
1666 * @seq: VERB array to send
1667 *
1668 * Send the commands sequentially from the given array.
1669 * Thte commands are recorded on cache for power-save and resume.
1670 * The array must be terminated with NID=0.
1671 */
1672 void snd_hda_sequence_write_cache(struct hda_codec *codec,
1673 const struct hda_verb *seq)
1674 {
1675 for (; seq->nid; seq++)
1676 snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb,
1677 seq->param);
1678 }
1679 #endif /* SND_HDA_NEEDS_RESUME */
1680
1681 /*
1682 * set power state of the codec
1683 */
1684 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
1685 unsigned int power_state)
1686 {
1687 hda_nid_t nid;
1688 int i;
1689
1690 snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE,
1691 power_state);
1692 msleep(10); /* partial workaround for "azx_get_response timeout" */
1693
1694 nid = codec->start_nid;
1695 for (i = 0; i < codec->num_nodes; i++, nid++) {
1696 unsigned int wcaps = get_wcaps(codec, nid);
1697 if (wcaps & AC_WCAP_POWER) {
1698 unsigned int wid_type = (wcaps & AC_WCAP_TYPE) >>
1699 AC_WCAP_TYPE_SHIFT;
1700 if (wid_type == AC_WID_PIN) {
1701 unsigned int pincap;
1702 /*
1703 * don't power down the widget if it controls
1704 * eapd and EAPD_BTLENABLE is set.
1705 */
1706 pincap = snd_hda_param_read(codec, nid,
1707 AC_PAR_PIN_CAP);
1708 if (pincap & AC_PINCAP_EAPD) {
1709 int eapd = snd_hda_codec_read(codec,
1710 nid, 0,
1711 AC_VERB_GET_EAPD_BTLENABLE, 0);
1712 eapd &= 0x02;
1713 if (power_state == AC_PWRST_D3 && eapd)
1714 continue;
1715 }
1716 }
1717 snd_hda_codec_write(codec, nid, 0,
1718 AC_VERB_SET_POWER_STATE,
1719 power_state);
1720 }
1721 }
1722
1723 if (power_state == AC_PWRST_D0) {
1724 unsigned long end_time;
1725 int state;
1726 msleep(10);
1727 /* wait until the codec reachs to D0 */
1728 end_time = jiffies + msecs_to_jiffies(500);
1729 do {
1730 state = snd_hda_codec_read(codec, fg, 0,
1731 AC_VERB_GET_POWER_STATE, 0);
1732 if (state == power_state)
1733 break;
1734 msleep(1);
1735 } while (time_after_eq(end_time, jiffies));
1736 }
1737 }
1738
1739 #ifdef SND_HDA_NEEDS_RESUME
1740 /*
1741 * call suspend and power-down; used both from PM and power-save
1742 */
1743 static void hda_call_codec_suspend(struct hda_codec *codec)
1744 {
1745 if (codec->patch_ops.suspend)
1746 codec->patch_ops.suspend(codec, PMSG_SUSPEND);
1747 hda_set_power_state(codec,
1748 codec->afg ? codec->afg : codec->mfg,
1749 AC_PWRST_D3);
1750 #ifdef CONFIG_SND_HDA_POWER_SAVE
1751 cancel_delayed_work(&codec->power_work);
1752 codec->power_on = 0;
1753 codec->power_transition = 0;
1754 #endif
1755 }
1756
1757 /*
1758 * kick up codec; used both from PM and power-save
1759 */
1760 static void hda_call_codec_resume(struct hda_codec *codec)
1761 {
1762 hda_set_power_state(codec,
1763 codec->afg ? codec->afg : codec->mfg,
1764 AC_PWRST_D0);
1765 if (codec->patch_ops.resume)
1766 codec->patch_ops.resume(codec);
1767 else {
1768 if (codec->patch_ops.init)
1769 codec->patch_ops.init(codec);
1770 snd_hda_codec_resume_amp(codec);
1771 snd_hda_codec_resume_cache(codec);
1772 }
1773 }
1774 #endif /* SND_HDA_NEEDS_RESUME */
1775
1776
1777 /**
1778 * snd_hda_build_controls - build mixer controls
1779 * @bus: the BUS
1780 *
1781 * Creates mixer controls for each codec included in the bus.
1782 *
1783 * Returns 0 if successful, otherwise a negative error code.
1784 */
1785 int __devinit snd_hda_build_controls(struct hda_bus *bus)
1786 {
1787 struct hda_codec *codec;
1788
1789 list_for_each_entry(codec, &bus->codec_list, list) {
1790 int err = 0;
1791 /* fake as if already powered-on */
1792 hda_keep_power_on(codec);
1793 /* then fire up */
1794 hda_set_power_state(codec,
1795 codec->afg ? codec->afg : codec->mfg,
1796 AC_PWRST_D0);
1797 /* continue to initialize... */
1798 if (codec->patch_ops.init)
1799 err = codec->patch_ops.init(codec);
1800 if (!err && codec->patch_ops.build_controls)
1801 err = codec->patch_ops.build_controls(codec);
1802 snd_hda_power_down(codec);
1803 if (err < 0)
1804 return err;
1805 }
1806
1807 return 0;
1808 }
1809
1810 /*
1811 * stream formats
1812 */
1813 struct hda_rate_tbl {
1814 unsigned int hz;
1815 unsigned int alsa_bits;
1816 unsigned int hda_fmt;
1817 };
1818
1819 static struct hda_rate_tbl rate_bits[] = {
1820 /* rate in Hz, ALSA rate bitmask, HDA format value */
1821
1822 /* autodetected value used in snd_hda_query_supported_pcm */
1823 { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
1824 { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
1825 { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
1826 { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
1827 { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
1828 { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
1829 { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
1830 { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
1831 { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
1832 { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
1833 { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
1834 #define AC_PAR_PCM_RATE_BITS 11
1835 /* up to bits 10, 384kHZ isn't supported properly */
1836
1837 /* not autodetected value */
1838 { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
1839
1840 { 0 } /* terminator */
1841 };
1842
1843 /**
1844 * snd_hda_calc_stream_format - calculate format bitset
1845 * @rate: the sample rate
1846 * @channels: the number of channels
1847 * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
1848 * @maxbps: the max. bps
1849 *
1850 * Calculate the format bitset from the given rate, channels and th PCM format.
1851 *
1852 * Return zero if invalid.
1853 */
1854 unsigned int snd_hda_calc_stream_format(unsigned int rate,
1855 unsigned int channels,
1856 unsigned int format,
1857 unsigned int maxbps)
1858 {
1859 int i;
1860 unsigned int val = 0;
1861
1862 for (i = 0; rate_bits[i].hz; i++)
1863 if (rate_bits[i].hz == rate) {
1864 val = rate_bits[i].hda_fmt;
1865 break;
1866 }
1867 if (!rate_bits[i].hz) {
1868 snd_printdd("invalid rate %d\n", rate);
1869 return 0;
1870 }
1871
1872 if (channels == 0 || channels > 8) {
1873 snd_printdd("invalid channels %d\n", channels);
1874 return 0;
1875 }
1876 val |= channels - 1;
1877
1878 switch (snd_pcm_format_width(format)) {
1879 case 8: val |= 0x00; break;
1880 case 16: val |= 0x10; break;
1881 case 20:
1882 case 24:
1883 case 32:
1884 if (maxbps >= 32)
1885 val |= 0x40;
1886 else if (maxbps >= 24)
1887 val |= 0x30;
1888 else
1889 val |= 0x20;
1890 break;
1891 default:
1892 snd_printdd("invalid format width %d\n",
1893 snd_pcm_format_width(format));
1894 return 0;
1895 }
1896
1897 return val;
1898 }
1899
1900 /**
1901 * snd_hda_query_supported_pcm - query the supported PCM rates and formats
1902 * @codec: the HDA codec
1903 * @nid: NID to query
1904 * @ratesp: the pointer to store the detected rate bitflags
1905 * @formatsp: the pointer to store the detected formats
1906 * @bpsp: the pointer to store the detected format widths
1907 *
1908 * Queries the supported PCM rates and formats. The NULL @ratesp, @formatsp
1909 * or @bsps argument is ignored.
1910 *
1911 * Returns 0 if successful, otherwise a negative error code.
1912 */
1913 int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
1914 u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
1915 {
1916 int i;
1917 unsigned int val, streams;
1918
1919 val = 0;
1920 if (nid != codec->afg &&
1921 (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
1922 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
1923 if (val == -1)
1924 return -EIO;
1925 }
1926 if (!val)
1927 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
1928
1929 if (ratesp) {
1930 u32 rates = 0;
1931 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) {
1932 if (val & (1 << i))
1933 rates |= rate_bits[i].alsa_bits;
1934 }
1935 *ratesp = rates;
1936 }
1937
1938 if (formatsp || bpsp) {
1939 u64 formats = 0;
1940 unsigned int bps;
1941 unsigned int wcaps;
1942
1943 wcaps = get_wcaps(codec, nid);
1944 streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
1945 if (streams == -1)
1946 return -EIO;
1947 if (!streams) {
1948 streams = snd_hda_param_read(codec, codec->afg,
1949 AC_PAR_STREAM);
1950 if (streams == -1)
1951 return -EIO;
1952 }
1953
1954 bps = 0;
1955 if (streams & AC_SUPFMT_PCM) {
1956 if (val & AC_SUPPCM_BITS_8) {
1957 formats |= SNDRV_PCM_FMTBIT_U8;
1958 bps = 8;
1959 }
1960 if (val & AC_SUPPCM_BITS_16) {
1961 formats |= SNDRV_PCM_FMTBIT_S16_LE;
1962 bps = 16;
1963 }
1964 if (wcaps & AC_WCAP_DIGITAL) {
1965 if (val & AC_SUPPCM_BITS_32)
1966 formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
1967 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
1968 formats |= SNDRV_PCM_FMTBIT_S32_LE;
1969 if (val & AC_SUPPCM_BITS_24)
1970 bps = 24;
1971 else if (val & AC_SUPPCM_BITS_20)
1972 bps = 20;
1973 } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|
1974 AC_SUPPCM_BITS_32)) {
1975 formats |= SNDRV_PCM_FMTBIT_S32_LE;
1976 if (val & AC_SUPPCM_BITS_32)
1977 bps = 32;
1978 else if (val & AC_SUPPCM_BITS_24)
1979 bps = 24;
1980 else if (val & AC_SUPPCM_BITS_20)
1981 bps = 20;
1982 }
1983 }
1984 else if (streams == AC_SUPFMT_FLOAT32) {
1985 /* should be exclusive */
1986 formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
1987 bps = 32;
1988 } else if (streams == AC_SUPFMT_AC3) {
1989 /* should be exclusive */
1990 /* temporary hack: we have still no proper support
1991 * for the direct AC3 stream...
1992 */
1993 formats |= SNDRV_PCM_FMTBIT_U8;
1994 bps = 8;
1995 }
1996 if (formatsp)
1997 *formatsp = formats;
1998 if (bpsp)
1999 *bpsp = bps;
2000 }
2001
2002 return 0;
2003 }
2004
2005 /**
2006 * snd_hda_is_supported_format - check whether the given node supports
2007 * the format val
2008 *
2009 * Returns 1 if supported, 0 if not.
2010 */
2011 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
2012 unsigned int format)
2013 {
2014 int i;
2015 unsigned int val = 0, rate, stream;
2016
2017 if (nid != codec->afg &&
2018 (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
2019 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
2020 if (val == -1)
2021 return 0;
2022 }
2023 if (!val) {
2024 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
2025 if (val == -1)
2026 return 0;
2027 }
2028
2029 rate = format & 0xff00;
2030 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)
2031 if (rate_bits[i].hda_fmt == rate) {
2032 if (val & (1 << i))
2033 break;
2034 return 0;
2035 }
2036 if (i >= AC_PAR_PCM_RATE_BITS)
2037 return 0;
2038
2039 stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
2040 if (stream == -1)
2041 return 0;
2042 if (!stream && nid != codec->afg)
2043 stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
2044 if (!stream || stream == -1)
2045 return 0;
2046
2047 if (stream & AC_SUPFMT_PCM) {
2048 switch (format & 0xf0) {
2049 case 0x00:
2050 if (!(val & AC_SUPPCM_BITS_8))
2051 return 0;
2052 break;
2053 case 0x10:
2054 if (!(val & AC_SUPPCM_BITS_16))
2055 return 0;
2056 break;
2057 case 0x20:
2058 if (!(val & AC_SUPPCM_BITS_20))
2059 return 0;
2060 break;
2061 case 0x30:
2062 if (!(val & AC_SUPPCM_BITS_24))
2063 return 0;
2064 break;
2065 case 0x40:
2066 if (!(val & AC_SUPPCM_BITS_32))
2067 return 0;
2068 break;
2069 default:
2070 return 0;
2071 }
2072 } else {
2073 /* FIXME: check for float32 and AC3? */
2074 }
2075
2076 return 1;
2077 }
2078
2079 /*
2080 * PCM stuff
2081 */
2082 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
2083 struct hda_codec *codec,
2084 struct snd_pcm_substream *substream)
2085 {
2086 return 0;
2087 }
2088
2089 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
2090 struct hda_codec *codec,
2091 unsigned int stream_tag,
2092 unsigned int format,
2093 struct snd_pcm_substream *substream)
2094 {
2095 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
2096 return 0;
2097 }
2098
2099 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
2100 struct hda_codec *codec,
2101 struct snd_pcm_substream *substream)
2102 {
2103 snd_hda_codec_setup_stream(codec, hinfo->nid, 0, 0, 0);
2104 return 0;
2105 }
2106
2107 static int __devinit set_pcm_default_values(struct hda_codec *codec,
2108 struct hda_pcm_stream *info)
2109 {
2110 /* query support PCM information from the given NID */
2111 if (info->nid && (!info->rates || !info->formats)) {
2112 snd_hda_query_supported_pcm(codec, info->nid,
2113 info->rates ? NULL : &info->rates,
2114 info->formats ? NULL : &info->formats,
2115 info->maxbps ? NULL : &info->maxbps);
2116 }
2117 if (info->ops.open == NULL)
2118 info->ops.open = hda_pcm_default_open_close;
2119 if (info->ops.close == NULL)
2120 info->ops.close = hda_pcm_default_open_close;
2121 if (info->ops.prepare == NULL) {
2122 snd_assert(info->nid, return -EINVAL);
2123 info->ops.prepare = hda_pcm_default_prepare;
2124 }
2125 if (info->ops.cleanup == NULL) {
2126 snd_assert(info->nid, return -EINVAL);
2127 info->ops.cleanup = hda_pcm_default_cleanup;
2128 }
2129 return 0;
2130 }
2131
2132 /**
2133 * snd_hda_build_pcms - build PCM information
2134 * @bus: the BUS
2135 *
2136 * Create PCM information for each codec included in the bus.
2137 *
2138 * The build_pcms codec patch is requested to set up codec->num_pcms and
2139 * codec->pcm_info properly. The array is referred by the top-level driver
2140 * to create its PCM instances.
2141 * The allocated codec->pcm_info should be released in codec->patch_ops.free
2142 * callback.
2143 *
2144 * At least, substreams, channels_min and channels_max must be filled for
2145 * each stream. substreams = 0 indicates that the stream doesn't exist.
2146 * When rates and/or formats are zero, the supported values are queried
2147 * from the given nid. The nid is used also by the default ops.prepare
2148 * and ops.cleanup callbacks.
2149 *
2150 * The driver needs to call ops.open in its open callback. Similarly,
2151 * ops.close is supposed to be called in the close callback.
2152 * ops.prepare should be called in the prepare or hw_params callback
2153 * with the proper parameters for set up.
2154 * ops.cleanup should be called in hw_free for clean up of streams.
2155 *
2156 * This function returns 0 if successfull, or a negative error code.
2157 */
2158 int __devinit snd_hda_build_pcms(struct hda_bus *bus)
2159 {
2160 struct hda_codec *codec;
2161
2162 list_for_each_entry(codec, &bus->codec_list, list) {
2163 unsigned int pcm, s;
2164 int err;
2165 if (!codec->patch_ops.build_pcms)
2166 continue;
2167 err = codec->patch_ops.build_pcms(codec);
2168 if (err < 0)
2169 return err;
2170 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
2171 for (s = 0; s < 2; s++) {
2172 struct hda_pcm_stream *info;
2173 info = &codec->pcm_info[pcm].stream[s];
2174 if (!info->substreams)
2175 continue;
2176 err = set_pcm_default_values(codec, info);
2177 if (err < 0)
2178 return err;
2179 }
2180 }
2181 }
2182 return 0;
2183 }
2184
2185 /**
2186 * snd_hda_check_board_config - compare the current codec with the config table
2187 * @codec: the HDA codec
2188 * @num_configs: number of config enums
2189 * @models: array of model name strings
2190 * @tbl: configuration table, terminated by null entries
2191 *
2192 * Compares the modelname or PCI subsystem id of the current codec with the
2193 * given configuration table. If a matching entry is found, returns its
2194 * config value (supposed to be 0 or positive).
2195 *
2196 * If no entries are matching, the function returns a negative value.
2197 */
2198 int snd_hda_check_board_config(struct hda_codec *codec,
2199 int num_configs, const char **models,
2200 const struct snd_pci_quirk *tbl)
2201 {
2202 if (codec->bus->modelname && models) {
2203 int i;
2204 for (i = 0; i < num_configs; i++) {
2205 if (models[i] &&
2206 !strcmp(codec->bus->modelname, models[i])) {
2207 snd_printd(KERN_INFO "hda_codec: model '%s' is "
2208 "selected\n", models[i]);
2209 return i;
2210 }
2211 }
2212 }
2213
2214 if (!codec->bus->pci || !tbl)
2215 return -1;
2216
2217 tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl);
2218 if (!tbl)
2219 return -1;
2220 if (tbl->value >= 0 && tbl->value < num_configs) {
2221 #ifdef CONFIG_SND_DEBUG_DETECT
2222 char tmp[10];
2223 const char *model = NULL;
2224 if (models)
2225 model = models[tbl->value];
2226 if (!model) {
2227 sprintf(tmp, "#%d", tbl->value);
2228 model = tmp;
2229 }
2230 snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
2231 "for config %x:%x (%s)\n",
2232 model, tbl->subvendor, tbl->subdevice,
2233 (tbl->name ? tbl->name : "Unknown device"));
2234 #endif
2235 return tbl->value;
2236 }
2237 return -1;
2238 }
2239
2240 /**
2241 * snd_hda_add_new_ctls - create controls from the array
2242 * @codec: the HDA codec
2243 * @knew: the array of struct snd_kcontrol_new
2244 *
2245 * This helper function creates and add new controls in the given array.
2246 * The array must be terminated with an empty entry as terminator.
2247 *
2248 * Returns 0 if successful, or a negative error code.
2249 */
2250 int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
2251 {
2252 int err;
2253
2254 for (; knew->name; knew++) {
2255 struct snd_kcontrol *kctl;
2256 kctl = snd_ctl_new1(knew, codec);
2257 if (!kctl)
2258 return -ENOMEM;
2259 err = snd_ctl_add(codec->bus->card, kctl);
2260 if (err < 0) {
2261 if (!codec->addr)
2262 return err;
2263 kctl = snd_ctl_new1(knew, codec);
2264 if (!kctl)
2265 return -ENOMEM;
2266 kctl->id.device = codec->addr;
2267 err = snd_ctl_add(codec->bus->card, kctl);
2268 if (err < 0)
2269 return err;
2270 }
2271 }
2272 return 0;
2273 }
2274
2275 #ifdef CONFIG_SND_HDA_POWER_SAVE
2276 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2277 unsigned int power_state);
2278
2279 static void hda_power_work(struct work_struct *work)
2280 {
2281 struct hda_codec *codec =
2282 container_of(work, struct hda_codec, power_work.work);
2283
2284 if (!codec->power_on || codec->power_count) {
2285 codec->power_transition = 0;
2286 return;
2287 }
2288
2289 hda_call_codec_suspend(codec);
2290 if (codec->bus->ops.pm_notify)
2291 codec->bus->ops.pm_notify(codec);
2292 }
2293
2294 static void hda_keep_power_on(struct hda_codec *codec)
2295 {
2296 codec->power_count++;
2297 codec->power_on = 1;
2298 }
2299
2300 void snd_hda_power_up(struct hda_codec *codec)
2301 {
2302 codec->power_count++;
2303 if (codec->power_on || codec->power_transition)
2304 return;
2305
2306 codec->power_on = 1;
2307 if (codec->bus->ops.pm_notify)
2308 codec->bus->ops.pm_notify(codec);
2309 hda_call_codec_resume(codec);
2310 cancel_delayed_work(&codec->power_work);
2311 codec->power_transition = 0;
2312 }
2313
2314 void snd_hda_power_down(struct hda_codec *codec)
2315 {
2316 --codec->power_count;
2317 if (!codec->power_on || codec->power_count || codec->power_transition)
2318 return;
2319 if (power_save) {
2320 codec->power_transition = 1; /* avoid reentrance */
2321 schedule_delayed_work(&codec->power_work,
2322 msecs_to_jiffies(power_save * 1000));
2323 }
2324 }
2325
2326 int snd_hda_check_amp_list_power(struct hda_codec *codec,
2327 struct hda_loopback_check *check,
2328 hda_nid_t nid)
2329 {
2330 struct hda_amp_list *p;
2331 int ch, v;
2332
2333 if (!check->amplist)
2334 return 0;
2335 for (p = check->amplist; p->nid; p++) {
2336 if (p->nid == nid)
2337 break;
2338 }
2339 if (!p->nid)
2340 return 0; /* nothing changed */
2341
2342 for (p = check->amplist; p->nid; p++) {
2343 for (ch = 0; ch < 2; ch++) {
2344 v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
2345 p->idx);
2346 if (!(v & HDA_AMP_MUTE) && v > 0) {
2347 if (!check->power_on) {
2348 check->power_on = 1;
2349 snd_hda_power_up(codec);
2350 }
2351 return 1;
2352 }
2353 }
2354 }
2355 if (check->power_on) {
2356 check->power_on = 0;
2357 snd_hda_power_down(codec);
2358 }
2359 return 0;
2360 }
2361 #endif
2362
2363 /*
2364 * Channel mode helper
2365 */
2366 int snd_hda_ch_mode_info(struct hda_codec *codec,
2367 struct snd_ctl_elem_info *uinfo,
2368 const struct hda_channel_mode *chmode,
2369 int num_chmodes)
2370 {
2371 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2372 uinfo->count = 1;
2373 uinfo->value.enumerated.items = num_chmodes;
2374 if (uinfo->value.enumerated.item >= num_chmodes)
2375 uinfo->value.enumerated.item = num_chmodes - 1;
2376 sprintf(uinfo->value.enumerated.name, "%dch",
2377 chmode[uinfo->value.enumerated.item].channels);
2378 return 0;
2379 }
2380
2381 int snd_hda_ch_mode_get(struct hda_codec *codec,
2382 struct snd_ctl_elem_value *ucontrol,
2383 const struct hda_channel_mode *chmode,
2384 int num_chmodes,
2385 int max_channels)
2386 {
2387 int i;
2388
2389 for (i = 0; i < num_chmodes; i++) {
2390 if (max_channels == chmode[i].channels) {
2391 ucontrol->value.enumerated.item[0] = i;
2392 break;
2393 }
2394 }
2395 return 0;
2396 }
2397
2398 int snd_hda_ch_mode_put(struct hda_codec *codec,
2399 struct snd_ctl_elem_value *ucontrol,
2400 const struct hda_channel_mode *chmode,
2401 int num_chmodes,
2402 int *max_channelsp)
2403 {
2404 unsigned int mode;
2405
2406 mode = ucontrol->value.enumerated.item[0];
2407 if (mode >= num_chmodes)
2408 return -EINVAL;
2409 if (*max_channelsp == chmode[mode].channels)
2410 return 0;
2411 /* change the current channel setting */
2412 *max_channelsp = chmode[mode].channels;
2413 if (chmode[mode].sequence)
2414 snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
2415 return 1;
2416 }
2417
2418 /*
2419 * input MUX helper
2420 */
2421 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
2422 struct snd_ctl_elem_info *uinfo)
2423 {
2424 unsigned int index;
2425
2426 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2427 uinfo->count = 1;
2428 uinfo->value.enumerated.items = imux->num_items;
2429 if (!imux->num_items)
2430 return 0;
2431 index = uinfo->value.enumerated.item;
2432 if (index >= imux->num_items)
2433 index = imux->num_items - 1;
2434 strcpy(uinfo->value.enumerated.name, imux->items[index].label);
2435 return 0;
2436 }
2437
2438 int snd_hda_input_mux_put(struct hda_codec *codec,
2439 const struct hda_input_mux *imux,
2440 struct snd_ctl_elem_value *ucontrol,
2441 hda_nid_t nid,
2442 unsigned int *cur_val)
2443 {
2444 unsigned int idx;
2445
2446 if (!imux->num_items)
2447 return 0;
2448 idx = ucontrol->value.enumerated.item[0];
2449 if (idx >= imux->num_items)
2450 idx = imux->num_items - 1;
2451 if (*cur_val == idx)
2452 return 0;
2453 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
2454 imux->items[idx].index);
2455 *cur_val = idx;
2456 return 1;
2457 }
2458
2459
2460 /*
2461 * Multi-channel / digital-out PCM helper functions
2462 */
2463
2464 /* setup SPDIF output stream */
2465 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
2466 unsigned int stream_tag, unsigned int format)
2467 {
2468 /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2469 if (codec->spdif_ctls & AC_DIG1_ENABLE)
2470 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
2471 codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
2472 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
2473 /* turn on again (if needed) */
2474 if (codec->spdif_ctls & AC_DIG1_ENABLE)
2475 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
2476 codec->spdif_ctls & 0xff);
2477 }
2478
2479 /*
2480 * open the digital out in the exclusive mode
2481 */
2482 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
2483 struct hda_multi_out *mout)
2484 {
2485 mutex_lock(&codec->spdif_mutex);
2486 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
2487 /* already opened as analog dup; reset it once */
2488 snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
2489 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
2490 mutex_unlock(&codec->spdif_mutex);
2491 return 0;
2492 }
2493
2494 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
2495 struct hda_multi_out *mout,
2496 unsigned int stream_tag,
2497 unsigned int format,
2498 struct snd_pcm_substream *substream)
2499 {
2500 mutex_lock(&codec->spdif_mutex);
2501 setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
2502 mutex_unlock(&codec->spdif_mutex);
2503 return 0;
2504 }
2505
2506 /*
2507 * release the digital out
2508 */
2509 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
2510 struct hda_multi_out *mout)
2511 {
2512 mutex_lock(&codec->spdif_mutex);
2513 mout->dig_out_used = 0;
2514 mutex_unlock(&codec->spdif_mutex);
2515 return 0;
2516 }
2517
2518 /*
2519 * set up more restrictions for analog out
2520 */
2521 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
2522 struct hda_multi_out *mout,
2523 struct snd_pcm_substream *substream)
2524 {
2525 substream->runtime->hw.channels_max = mout->max_channels;
2526 return snd_pcm_hw_constraint_step(substream->runtime, 0,
2527 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2528 }
2529
2530 /*
2531 * set up the i/o for analog out
2532 * when the digital out is available, copy the front out to digital out, too.
2533 */
2534 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
2535 struct hda_multi_out *mout,
2536 unsigned int stream_tag,
2537 unsigned int format,
2538 struct snd_pcm_substream *substream)
2539 {
2540 hda_nid_t *nids = mout->dac_nids;
2541 int chs = substream->runtime->channels;
2542 int i;
2543
2544 mutex_lock(&codec->spdif_mutex);
2545 if (mout->dig_out_nid && mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
2546 if (chs == 2 &&
2547 snd_hda_is_supported_format(codec, mout->dig_out_nid,
2548 format) &&
2549 !(codec->spdif_status & IEC958_AES0_NONAUDIO)) {
2550 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
2551 setup_dig_out_stream(codec, mout->dig_out_nid,
2552 stream_tag, format);
2553 } else {
2554 mout->dig_out_used = 0;
2555 snd_hda_codec_setup_stream(codec, mout->dig_out_nid,
2556 0, 0, 0);
2557 }
2558 }
2559 mutex_unlock(&codec->spdif_mutex);
2560
2561 /* front */
2562 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
2563 0, format);
2564 if (!mout->no_share_stream &&
2565 mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
2566 /* headphone out will just decode front left/right (stereo) */
2567 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
2568 0, format);
2569 /* extra outputs copied from front */
2570 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2571 if (!mout->no_share_stream && mout->extra_out_nid[i])
2572 snd_hda_codec_setup_stream(codec,
2573 mout->extra_out_nid[i],
2574 stream_tag, 0, format);
2575
2576 /* surrounds */
2577 for (i = 1; i < mout->num_dacs; i++) {
2578 if (chs >= (i + 1) * 2) /* independent out */
2579 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2580 i * 2, format);
2581 else if (!mout->no_share_stream) /* copy front */
2582 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2583 0, format);
2584 }
2585 return 0;
2586 }
2587
2588 /*
2589 * clean up the setting for analog out
2590 */
2591 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
2592 struct hda_multi_out *mout)
2593 {
2594 hda_nid_t *nids = mout->dac_nids;
2595 int i;
2596
2597 for (i = 0; i < mout->num_dacs; i++)
2598 snd_hda_codec_setup_stream(codec, nids[i], 0, 0, 0);
2599 if (mout->hp_nid)
2600 snd_hda_codec_setup_stream(codec, mout->hp_nid, 0, 0, 0);
2601 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2602 if (mout->extra_out_nid[i])
2603 snd_hda_codec_setup_stream(codec,
2604 mout->extra_out_nid[i],
2605 0, 0, 0);
2606 mutex_lock(&codec->spdif_mutex);
2607 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
2608 snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
2609 mout->dig_out_used = 0;
2610 }
2611 mutex_unlock(&codec->spdif_mutex);
2612 return 0;
2613 }
2614
2615 /*
2616 * Helper for automatic ping configuration
2617 */
2618
2619 static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list)
2620 {
2621 for (; *list; list++)
2622 if (*list == nid)
2623 return 1;
2624 return 0;
2625 }
2626
2627
2628 /*
2629 * Sort an associated group of pins according to their sequence numbers.
2630 */
2631 static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences,
2632 int num_pins)
2633 {
2634 int i, j;
2635 short seq;
2636 hda_nid_t nid;
2637
2638 for (i = 0; i < num_pins; i++) {
2639 for (j = i + 1; j < num_pins; j++) {
2640 if (sequences[i] > sequences[j]) {
2641 seq = sequences[i];
2642 sequences[i] = sequences[j];
2643 sequences[j] = seq;
2644 nid = pins[i];
2645 pins[i] = pins[j];
2646 pins[j] = nid;
2647 }
2648 }
2649 }
2650 }
2651
2652
2653 /*
2654 * Parse all pin widgets and store the useful pin nids to cfg
2655 *
2656 * The number of line-outs or any primary output is stored in line_outs,
2657 * and the corresponding output pins are assigned to line_out_pins[],
2658 * in the order of front, rear, CLFE, side, ...
2659 *
2660 * If more extra outputs (speaker and headphone) are found, the pins are
2661 * assisnged to hp_pins[] and speaker_pins[], respectively. If no line-out jack
2662 * is detected, one of speaker of HP pins is assigned as the primary
2663 * output, i.e. to line_out_pins[0]. So, line_outs is always positive
2664 * if any analog output exists.
2665 *
2666 * The analog input pins are assigned to input_pins array.
2667 * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
2668 * respectively.
2669 */
2670 int snd_hda_parse_pin_def_config(struct hda_codec *codec,
2671 struct auto_pin_cfg *cfg,
2672 hda_nid_t *ignore_nids)
2673 {
2674 hda_nid_t nid, end_nid;
2675 short seq, assoc_line_out, assoc_speaker;
2676 short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)];
2677 short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)];
2678 short sequences_hp[ARRAY_SIZE(cfg->hp_pins)];
2679
2680 memset(cfg, 0, sizeof(*cfg));
2681
2682 memset(sequences_line_out, 0, sizeof(sequences_line_out));
2683 memset(sequences_speaker, 0, sizeof(sequences_speaker));
2684 memset(sequences_hp, 0, sizeof(sequences_hp));
2685 assoc_line_out = assoc_speaker = 0;
2686
2687 end_nid = codec->start_nid + codec->num_nodes;
2688 for (nid = codec->start_nid; nid < end_nid; nid++) {
2689 unsigned int wid_caps = get_wcaps(codec, nid);
2690 unsigned int wid_type =
2691 (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
2692 unsigned int def_conf;
2693 short assoc, loc;
2694
2695 /* read all default configuration for pin complex */
2696 if (wid_type != AC_WID_PIN)
2697 continue;
2698 /* ignore the given nids (e.g. pc-beep returns error) */
2699 if (ignore_nids && is_in_nid_list(nid, ignore_nids))
2700 continue;
2701
2702 def_conf = snd_hda_codec_read(codec, nid, 0,
2703 AC_VERB_GET_CONFIG_DEFAULT, 0);
2704 if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
2705 continue;
2706 loc = get_defcfg_location(def_conf);
2707 switch (get_defcfg_device(def_conf)) {
2708 case AC_JACK_LINE_OUT:
2709 seq = get_defcfg_sequence(def_conf);
2710 assoc = get_defcfg_association(def_conf);
2711
2712 if (!(wid_caps & AC_WCAP_STEREO))
2713 if (!cfg->mono_out_pin)
2714 cfg->mono_out_pin = nid;
2715 if (!assoc)
2716 continue;
2717 if (!assoc_line_out)
2718 assoc_line_out = assoc;
2719 else if (assoc_line_out != assoc)
2720 continue;
2721 if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
2722 continue;
2723 cfg->line_out_pins[cfg->line_outs] = nid;
2724 sequences_line_out[cfg->line_outs] = seq;
2725 cfg->line_outs++;
2726 break;
2727 case AC_JACK_SPEAKER:
2728 seq = get_defcfg_sequence(def_conf);
2729 assoc = get_defcfg_association(def_conf);
2730 if (! assoc)
2731 continue;
2732 if (! assoc_speaker)
2733 assoc_speaker = assoc;
2734 else if (assoc_speaker != assoc)
2735 continue;
2736 if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
2737 continue;
2738 cfg->speaker_pins[cfg->speaker_outs] = nid;
2739 sequences_speaker[cfg->speaker_outs] = seq;
2740 cfg->speaker_outs++;
2741 break;
2742 case AC_JACK_HP_OUT:
2743 seq = get_defcfg_sequence(def_conf);
2744 assoc = get_defcfg_association(def_conf);
2745 if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
2746 continue;
2747 cfg->hp_pins[cfg->hp_outs] = nid;
2748 sequences_hp[cfg->hp_outs] = (assoc << 4) | seq;
2749 cfg->hp_outs++;
2750 break;
2751 case AC_JACK_MIC_IN: {
2752 int preferred, alt;
2753 if (loc == AC_JACK_LOC_FRONT) {
2754 preferred = AUTO_PIN_FRONT_MIC;
2755 alt = AUTO_PIN_MIC;
2756 } else {
2757 preferred = AUTO_PIN_MIC;
2758 alt = AUTO_PIN_FRONT_MIC;
2759 }
2760 if (!cfg->input_pins[preferred])
2761 cfg->input_pins[preferred] = nid;
2762 else if (!cfg->input_pins[alt])
2763 cfg->input_pins[alt] = nid;
2764 break;
2765 }
2766 case AC_JACK_LINE_IN:
2767 if (loc == AC_JACK_LOC_FRONT)
2768 cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
2769 else
2770 cfg->input_pins[AUTO_PIN_LINE] = nid;
2771 break;
2772 case AC_JACK_CD:
2773 cfg->input_pins[AUTO_PIN_CD] = nid;
2774 break;
2775 case AC_JACK_AUX:
2776 cfg->input_pins[AUTO_PIN_AUX] = nid;
2777 break;
2778 case AC_JACK_SPDIF_OUT:
2779 cfg->dig_out_pin = nid;
2780 break;
2781 case AC_JACK_SPDIF_IN:
2782 cfg->dig_in_pin = nid;
2783 break;
2784 }
2785 }
2786
2787 /* sort by sequence */
2788 sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out,
2789 cfg->line_outs);
2790 sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker,
2791 cfg->speaker_outs);
2792 sort_pins_by_sequence(cfg->hp_pins, sequences_hp,
2793 cfg->hp_outs);
2794
2795 /* if we have only one mic, make it AUTO_PIN_MIC */
2796 if (!cfg->input_pins[AUTO_PIN_MIC] &&
2797 cfg->input_pins[AUTO_PIN_FRONT_MIC]) {
2798 cfg->input_pins[AUTO_PIN_MIC] =
2799 cfg->input_pins[AUTO_PIN_FRONT_MIC];
2800 cfg->input_pins[AUTO_PIN_FRONT_MIC] = 0;
2801 }
2802 /* ditto for line-in */
2803 if (!cfg->input_pins[AUTO_PIN_LINE] &&
2804 cfg->input_pins[AUTO_PIN_FRONT_LINE]) {
2805 cfg->input_pins[AUTO_PIN_LINE] =
2806 cfg->input_pins[AUTO_PIN_FRONT_LINE];
2807 cfg->input_pins[AUTO_PIN_FRONT_LINE] = 0;
2808 }
2809
2810 /*
2811 * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
2812 * as a primary output
2813 */
2814 if (!cfg->line_outs) {
2815 if (cfg->speaker_outs) {
2816 cfg->line_outs = cfg->speaker_outs;
2817 memcpy(cfg->line_out_pins, cfg->speaker_pins,
2818 sizeof(cfg->speaker_pins));
2819 cfg->speaker_outs = 0;
2820 memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
2821 cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
2822 } else if (cfg->hp_outs) {
2823 cfg->line_outs = cfg->hp_outs;
2824 memcpy(cfg->line_out_pins, cfg->hp_pins,
2825 sizeof(cfg->hp_pins));
2826 cfg->hp_outs = 0;
2827 memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
2828 cfg->line_out_type = AUTO_PIN_HP_OUT;
2829 }
2830 }
2831
2832 /* Reorder the surround channels
2833 * ALSA sequence is front/surr/clfe/side
2834 * HDA sequence is:
2835 * 4-ch: front/surr => OK as it is
2836 * 6-ch: front/clfe/surr
2837 * 8-ch: front/clfe/rear/side|fc
2838 */
2839 switch (cfg->line_outs) {
2840 case 3:
2841 case 4:
2842 nid = cfg->line_out_pins[1];
2843 cfg->line_out_pins[1] = cfg->line_out_pins[2];
2844 cfg->line_out_pins[2] = nid;
2845 break;
2846 }
2847
2848 /*
2849 * debug prints of the parsed results
2850 */
2851 snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2852 cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
2853 cfg->line_out_pins[2], cfg->line_out_pins[3],
2854 cfg->line_out_pins[4]);
2855 snd_printd(" speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2856 cfg->speaker_outs, cfg->speaker_pins[0],
2857 cfg->speaker_pins[1], cfg->speaker_pins[2],
2858 cfg->speaker_pins[3], cfg->speaker_pins[4]);
2859 snd_printd(" hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2860 cfg->hp_outs, cfg->hp_pins[0],
2861 cfg->hp_pins[1], cfg->hp_pins[2],
2862 cfg->hp_pins[3], cfg->hp_pins[4]);
2863 snd_printd(" mono: mono_out=0x%x\n", cfg->mono_out_pin);
2864 snd_printd(" inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
2865 " cd=0x%x, aux=0x%x\n",
2866 cfg->input_pins[AUTO_PIN_MIC],
2867 cfg->input_pins[AUTO_PIN_FRONT_MIC],
2868 cfg->input_pins[AUTO_PIN_LINE],
2869 cfg->input_pins[AUTO_PIN_FRONT_LINE],
2870 cfg->input_pins[AUTO_PIN_CD],
2871 cfg->input_pins[AUTO_PIN_AUX]);
2872
2873 return 0;
2874 }
2875
2876 /* labels for input pins */
2877 const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
2878 "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
2879 };
2880
2881
2882 #ifdef CONFIG_PM
2883 /*
2884 * power management
2885 */
2886
2887 /**
2888 * snd_hda_suspend - suspend the codecs
2889 * @bus: the HDA bus
2890 * @state: suspsend state
2891 *
2892 * Returns 0 if successful.
2893 */
2894 int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
2895 {
2896 struct hda_codec *codec;
2897
2898 list_for_each_entry(codec, &bus->codec_list, list) {
2899 #ifdef CONFIG_SND_HDA_POWER_SAVE
2900 if (!codec->power_on)
2901 continue;
2902 #endif
2903 hda_call_codec_suspend(codec);
2904 }
2905 return 0;
2906 }
2907
2908 /**
2909 * snd_hda_resume - resume the codecs
2910 * @bus: the HDA bus
2911 * @state: resume state
2912 *
2913 * Returns 0 if successful.
2914 *
2915 * This fucntion is defined only when POWER_SAVE isn't set.
2916 * In the power-save mode, the codec is resumed dynamically.
2917 */
2918 int snd_hda_resume(struct hda_bus *bus)
2919 {
2920 struct hda_codec *codec;
2921
2922 list_for_each_entry(codec, &bus->codec_list, list) {
2923 if (snd_hda_codec_needs_resume(codec))
2924 hda_call_codec_resume(codec);
2925 }
2926 return 0;
2927 }
2928 #ifdef CONFIG_SND_HDA_POWER_SAVE
2929 int snd_hda_codecs_inuse(struct hda_bus *bus)
2930 {
2931 struct hda_codec *codec;
2932
2933 list_for_each_entry(codec, &bus->codec_list, list) {
2934 if (snd_hda_codec_needs_resume(codec))
2935 return 1;
2936 }
2937 return 0;
2938 }
2939 #endif
2940 #endif
AMDTP streaming driver for the Linux FireWire stack (Juju)