1/*
2 * Universal Interface for Intel High Definition Audio Codec
3 *
4 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
5 *
6 *
7 *  This driver is free software; you can redistribute it and/or modify
8 *  it under the terms of the GNU General Public License as published by
9 *  the Free Software Foundation; either version 2 of the License, or
10 *  (at your option) any later version.
11 *
12 *  This driver is distributed in the hope that it will be useful,
13 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
14 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 *  GNU General Public License for more details.
16 *
17 *  You should have received a copy of the GNU General Public License
18 *  along with this program; if not, write to the Free Software
19 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
20 */
21
22#include <sound/driver.h>
23#include <linux/init.h>
24#include <linux/delay.h>
25#include <linux/slab.h>
26#include <linux/pci.h>
27#include <linux/mutex.h>
28#include <sound/core.h>
29#include "hda_codec.h"
30#include <sound/asoundef.h>
31#include <sound/tlv.h>
32#include <sound/initval.h>
33#include "hda_local.h"
34
35
36/*
37 * vendor / preset table
38 */
39
40struct hda_vendor_id {
41	unsigned int id;
42	const char *name;
43};
44
45/* codec vendor labels */
46static struct hda_vendor_id hda_vendor_ids[] = {
47	{ 0x10ec, "Realtek" },
48	{ 0x1057, "Motorola" },
49	{ 0x1106, "VIA" },
50	{ 0x11d4, "Analog Devices" },
51	{ 0x13f6, "C-Media" },
52	{ 0x14f1, "Conexant" },
53	{ 0x434d, "C-Media" },
54	{ 0x8384, "SigmaTel" },
55	{} /* terminator */
56};
57
58/* codec presets */
59#include "hda_patch.h"
60
61
62/**
63 * snd_hda_codec_read - send a command and get the response
64 * @codec: the HDA codec
65 * @nid: NID to send the command
66 * @direct: direct flag
67 * @verb: the verb to send
68 * @parm: the parameter for the verb
69 *
70 * Send a single command and read the corresponding response.
71 *
72 * Returns the obtained response value, or -1 for an error.
73 */
74unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
75				int direct,
76				unsigned int verb, unsigned int parm)
77{
78	unsigned int res;
79	mutex_lock(&codec->bus->cmd_mutex);
80	if (!codec->bus->ops.command(codec, nid, direct, verb, parm))
81		res = codec->bus->ops.get_response(codec);
82	else
83		res = (unsigned int)-1;
84	mutex_unlock(&codec->bus->cmd_mutex);
85	return res;
86}
87
88/**
89 * snd_hda_codec_write - send a single command without waiting for response
90 * @codec: the HDA codec
91 * @nid: NID to send the command
92 * @direct: direct flag
93 * @verb: the verb to send
94 * @parm: the parameter for the verb
95 *
96 * Send a single command without waiting for response.
97 *
98 * Returns 0 if successful, or a negative error code.
99 */
100int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
101			 unsigned int verb, unsigned int parm)
102{
103	int err;
104	mutex_lock(&codec->bus->cmd_mutex);
105	err = codec->bus->ops.command(codec, nid, direct, verb, parm);
106	mutex_unlock(&codec->bus->cmd_mutex);
107	return err;
108}
109
110/**
111 * snd_hda_sequence_write - sequence writes
112 * @codec: the HDA codec
113 * @seq: VERB array to send
114 *
115 * Send the commands sequentially from the given array.
116 * The array must be terminated with NID=0.
117 */
118void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
119{
120	for (; seq->nid; seq++)
121		snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
122}
123
124/**
125 * snd_hda_get_sub_nodes - get the range of sub nodes
126 * @codec: the HDA codec
127 * @nid: NID to parse
128 * @start_id: the pointer to store the start NID
129 *
130 * Parse the NID and store the start NID of its sub-nodes.
131 * Returns the number of sub-nodes.
132 */
133int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
134			  hda_nid_t *start_id)
135{
136	unsigned int parm;
137
138	parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
139	*start_id = (parm >> 16) & 0x7fff;
140	return (int)(parm & 0x7fff);
141}
142
143/**
144 * snd_hda_get_connections - get connection list
145 * @codec: the HDA codec
146 * @nid: NID to parse
147 * @conn_list: connection list array
148 * @max_conns: max. number of connections to store
149 *
150 * Parses the connection list of the given widget and stores the list
151 * of NIDs.
152 *
153 * Returns the number of connections, or a negative error code.
154 */
155int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
156			    hda_nid_t *conn_list, int max_conns)
157{
158	unsigned int parm;
159	int i, conn_len, conns;
160	unsigned int shift, num_elems, mask;
161	hda_nid_t prev_nid;
162
163	snd_assert(conn_list && max_conns > 0, return -EINVAL);
164
165	parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN);
166	if (parm & AC_CLIST_LONG) {
167		/* long form */
168		shift = 16;
169		num_elems = 2;
170	} else {
171		/* short form */
172		shift = 8;
173		num_elems = 4;
174	}
175	conn_len = parm & AC_CLIST_LENGTH;
176	mask = (1 << (shift-1)) - 1;
177
178	if (!conn_len)
179		return 0; /* no connection */
180
181	if (conn_len == 1) {
182		/* single connection */
183		parm = snd_hda_codec_read(codec, nid, 0,
184					  AC_VERB_GET_CONNECT_LIST, 0);
185		conn_list[0] = parm & mask;
186		return 1;
187	}
188
189	/* multi connection */
190	conns = 0;
191	prev_nid = 0;
192	for (i = 0; i < conn_len; i++) {
193		int range_val;
194		hda_nid_t val, n;
195
196		if (i % num_elems == 0)
197			parm = snd_hda_codec_read(codec, nid, 0,
198						  AC_VERB_GET_CONNECT_LIST, i);
199		range_val = !!(parm & (1 << (shift-1))); /* ranges */
200		val = parm & mask;
201		parm >>= shift;
202		if (range_val) {
203			/* ranges between the previous and this one */
204			if (!prev_nid || prev_nid >= val) {
205				snd_printk(KERN_WARNING "hda_codec: "
206					   "invalid dep_range_val %x:%x\n",
207					   prev_nid, val);
208				continue;
209			}
210			for (n = prev_nid + 1; n <= val; n++) {
211				if (conns >= max_conns) {
212					snd_printk(KERN_ERR
213						   "Too many connections\n");
214					return -EINVAL;
215				}
216				conn_list[conns++] = n;
217			}
218		} else {
219			if (conns >= max_conns) {
220				snd_printk(KERN_ERR "Too many connections\n");
221				return -EINVAL;
222			}
223			conn_list[conns++] = val;
224		}
225		prev_nid = val;
226	}
227	return conns;
228}
229
230
231/**
232 * snd_hda_queue_unsol_event - add an unsolicited event to queue
233 * @bus: the BUS
234 * @res: unsolicited event (lower 32bit of RIRB entry)
235 * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
236 *
237 * Adds the given event to the queue.  The events are processed in
238 * the workqueue asynchronously.  Call this function in the interrupt
239 * hanlder when RIRB receives an unsolicited event.
240 *
241 * Returns 0 if successful, or a negative error code.
242 */
243int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
244{
245	struct hda_bus_unsolicited *unsol;
246	unsigned int wp;
247
248	unsol = bus->unsol;
249	if (!unsol)
250		return 0;
251
252	wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
253	unsol->wp = wp;
254
255	wp <<= 1;
256	unsol->queue[wp] = res;
257	unsol->queue[wp + 1] = res_ex;
258
259	schedule_work(&unsol->work);
260
261	return 0;
262}
263
264/*
265 * process queueud unsolicited events
266 */
267static void process_unsol_events(struct work_struct *work)
268{
269	struct hda_bus_unsolicited *unsol =
270		container_of(work, struct hda_bus_unsolicited, work);
271	struct hda_bus *bus = unsol->bus;
272	struct hda_codec *codec;
273	unsigned int rp, caddr, res;
274
275	while (unsol->rp != unsol->wp) {
276		rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE;
277		unsol->rp = rp;
278		rp <<= 1;
279		res = unsol->queue[rp];
280		caddr = unsol->queue[rp + 1];
281		if (!(caddr & (1 << 4))) /* no unsolicited event? */
282			continue;
283		codec = bus->caddr_tbl[caddr & 0x0f];
284		if (codec && codec->patch_ops.unsol_event)
285			codec->patch_ops.unsol_event(codec, res);
286	}
287}
288
289/*
290 * initialize unsolicited queue
291 */
292static int __devinit init_unsol_queue(struct hda_bus *bus)
293{
294	struct hda_bus_unsolicited *unsol;
295
296	if (bus->unsol) /* already initialized */
297		return 0;
298
299	unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
300	if (!unsol) {
301		snd_printk(KERN_ERR "hda_codec: "
302			   "can't allocate unsolicited queue\n");
303		return -ENOMEM;
304	}
305	INIT_WORK(&unsol->work, process_unsol_events);
306	unsol->bus = bus;
307	bus->unsol = unsol;
308	return 0;
309}
310
311/*
312 * destructor
313 */
314static void snd_hda_codec_free(struct hda_codec *codec);
315
316static int snd_hda_bus_free(struct hda_bus *bus)
317{
318	struct hda_codec *codec, *n;
319
320	if (!bus)
321		return 0;
322	if (bus->unsol) {
323		flush_scheduled_work();
324		kfree(bus->unsol);
325	}
326	list_for_each_entry_safe(codec, n, &bus->codec_list, list) {
327		snd_hda_codec_free(codec);
328	}
329	if (bus->ops.private_free)
330		bus->ops.private_free(bus);
331	kfree(bus);
332	return 0;
333}
334
335static int snd_hda_bus_dev_free(struct snd_device *device)
336{
337	struct hda_bus *bus = device->device_data;
338	return snd_hda_bus_free(bus);
339}
340
341/**
342 * snd_hda_bus_new - create a HDA bus
343 * @card: the card entry
344 * @temp: the template for hda_bus information
345 * @busp: the pointer to store the created bus instance
346 *
347 * Returns 0 if successful, or a negative error code.
348 */
349int __devinit snd_hda_bus_new(struct snd_card *card,
350			      const struct hda_bus_template *temp,
351			      struct hda_bus **busp)
352{
353	struct hda_bus *bus;
354	int err;
355	static struct snd_device_ops dev_ops = {
356		.dev_free = snd_hda_bus_dev_free,
357	};
358
359	snd_assert(temp, return -EINVAL);
360	snd_assert(temp->ops.command && temp->ops.get_response, return -EINVAL);
361
362	if (busp)
363		*busp = NULL;
364
365	bus = kzalloc(sizeof(*bus), GFP_KERNEL);
366	if (bus == NULL) {
367		snd_printk(KERN_ERR "can't allocate struct hda_bus\n");
368		return -ENOMEM;
369	}
370
371	bus->card = card;
372	bus->private_data = temp->private_data;
373	bus->pci = temp->pci;
374	bus->modelname = temp->modelname;
375	bus->ops = temp->ops;
376
377	mutex_init(&bus->cmd_mutex);
378	INIT_LIST_HEAD(&bus->codec_list);
379
380	err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
381	if (err < 0) {
382		snd_hda_bus_free(bus);
383		return err;
384	}
385	if (busp)
386		*busp = bus;
387	return 0;
388}
389
390/*
391 * find a matching codec preset
392 */
393static const struct hda_codec_preset __devinit *
394find_codec_preset(struct hda_codec *codec)
395{
396	const struct hda_codec_preset **tbl, *preset;
397
398	if (codec->bus->modelname && !strcmp(codec->bus->modelname, "generic"))
399		return NULL; /* use the generic parser */
400
401	for (tbl = hda_preset_tables; *tbl; tbl++) {
402		for (preset = *tbl; preset->id; preset++) {
403			u32 mask = preset->mask;
404			if (!mask)
405				mask = ~0;
406			if (preset->id == (codec->vendor_id & mask) &&
407			    (!preset->rev ||
408			     preset->rev == codec->revision_id))
409				return preset;
410		}
411	}
412	return NULL;
413}
414
415/*
416 * snd_hda_get_codec_name - store the codec name
417 */
418void snd_hda_get_codec_name(struct hda_codec *codec,
419			    char *name, int namelen)
420{
421	const struct hda_vendor_id *c;
422	const char *vendor = NULL;
423	u16 vendor_id = codec->vendor_id >> 16;
424	char tmp[16];
425
426	for (c = hda_vendor_ids; c->id; c++) {
427		if (c->id == vendor_id) {
428			vendor = c->name;
429			break;
430		}
431	}
432	if (!vendor) {
433		sprintf(tmp, "Generic %04x", vendor_id);
434		vendor = tmp;
435	}
436	if (codec->preset && codec->preset->name)
437		snprintf(name, namelen, "%s %s", vendor, codec->preset->name);
438	else
439		snprintf(name, namelen, "%s ID %x", vendor,
440			 codec->vendor_id & 0xffff);
441}
442
443/*
444 * look for an AFG and MFG nodes
445 */
446static void __devinit setup_fg_nodes(struct hda_codec *codec)
447{
448	int i, total_nodes;
449	hda_nid_t nid;
450
451	total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
452	for (i = 0; i < total_nodes; i++, nid++) {
453		unsigned int func;
454		func = snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE);
455		switch (func & 0xff) {
456		case AC_GRP_AUDIO_FUNCTION:
457			codec->afg = nid;
458			break;
459		case AC_GRP_MODEM_FUNCTION:
460			codec->mfg = nid;
461			break;
462		default:
463			break;
464		}
465	}
466}
467
468/*
469 * read widget caps for each widget and store in cache
470 */
471static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
472{
473	int i;
474	hda_nid_t nid;
475
476	codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node,
477						 &codec->start_nid);
478	codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL);
479	if (!codec->wcaps)
480		return -ENOMEM;
481	nid = codec->start_nid;
482	for (i = 0; i < codec->num_nodes; i++, nid++)
483		codec->wcaps[i] = snd_hda_param_read(codec, nid,
484						     AC_PAR_AUDIO_WIDGET_CAP);
485	return 0;
486}
487
488
489/*
490 * codec destructor
491 */
492static void snd_hda_codec_free(struct hda_codec *codec)
493{
494	if (!codec)
495		return;
496	list_del(&codec->list);
497	codec->bus->caddr_tbl[codec->addr] = NULL;
498	if (codec->patch_ops.free)
499		codec->patch_ops.free(codec);
500	kfree(codec->amp_info);
501	kfree(codec->wcaps);
502	kfree(codec);
503}
504
505static void init_amp_hash(struct hda_codec *codec);
506
507/**
508 * snd_hda_codec_new - create a HDA codec
509 * @bus: the bus to assign
510 * @codec_addr: the codec address
511 * @codecp: the pointer to store the generated codec
512 *
513 * Returns 0 if successful, or a negative error code.
514 */
515int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
516				struct hda_codec **codecp)
517{
518	struct hda_codec *codec;
519	char component[13];
520	int err;
521
522	snd_assert(bus, return -EINVAL);
523	snd_assert(codec_addr <= HDA_MAX_CODEC_ADDRESS, return -EINVAL);
524
525	if (bus->caddr_tbl[codec_addr]) {
526		snd_printk(KERN_ERR "hda_codec: "
527			   "address 0x%x is already occupied\n", codec_addr);
528		return -EBUSY;
529	}
530
531	codec = kzalloc(sizeof(*codec), GFP_KERNEL);
532	if (codec == NULL) {
533		snd_printk(KERN_ERR "can't allocate struct hda_codec\n");
534		return -ENOMEM;
535	}
536
537	codec->bus = bus;
538	codec->addr = codec_addr;
539	mutex_init(&codec->spdif_mutex);
540	init_amp_hash(codec);
541
542	list_add_tail(&codec->list, &bus->codec_list);
543	bus->caddr_tbl[codec_addr] = codec;
544
545	codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
546					      AC_PAR_VENDOR_ID);
547	if (codec->vendor_id == -1)
548		/* read again, hopefully the access method was corrected
549		 * in the last read...
550		 */
551		codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
552						      AC_PAR_VENDOR_ID);
553	codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT,
554						 AC_PAR_SUBSYSTEM_ID);
555	codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT,
556						AC_PAR_REV_ID);
557
558	setup_fg_nodes(codec);
559	if (!codec->afg && !codec->mfg) {
560		snd_printdd("hda_codec: no AFG or MFG node found\n");
561		snd_hda_codec_free(codec);
562		return -ENODEV;
563	}
564
565	if (read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg) < 0) {
566		snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
567		snd_hda_codec_free(codec);
568		return -ENOMEM;
569	}
570
571	if (!codec->subsystem_id) {
572		hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
573		codec->subsystem_id =
574			snd_hda_codec_read(codec, nid, 0,
575					   AC_VERB_GET_SUBSYSTEM_ID, 0);
576	}
577
578	codec->preset = find_codec_preset(codec);
579	/* audio codec should override the mixer name */
580	if (codec->afg || !*bus->card->mixername)
581		snd_hda_get_codec_name(codec, bus->card->mixername,
582				       sizeof(bus->card->mixername));
583
584	if (codec->preset && codec->preset->patch)
585		err = codec->preset->patch(codec);
586	else
587		err = snd_hda_parse_generic_codec(codec);
588	if (err < 0) {
589		snd_hda_codec_free(codec);
590		return err;
591	}
592
593	if (codec->patch_ops.unsol_event)
594		init_unsol_queue(bus);
595
596	snd_hda_codec_proc_new(codec);
597
598	sprintf(component, "HDA:%08x", codec->vendor_id);
599	snd_component_add(codec->bus->card, component);
600
601	if (codecp)
602		*codecp = codec;
603	return 0;
604}
605
606/**
607 * snd_hda_codec_setup_stream - set up the codec for streaming
608 * @codec: the CODEC to set up
609 * @nid: the NID to set up
610 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
611 * @channel_id: channel id to pass, zero based.
612 * @format: stream format.
613 */
614void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
615				u32 stream_tag,
616				int channel_id, int format)
617{
618	if (!nid)
619		return;
620
621	snd_printdd("hda_codec_setup_stream: "
622		    "NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
623		    nid, stream_tag, channel_id, format);
624	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID,
625			    (stream_tag << 4) | channel_id);
626	msleep(1);
627	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
628}
629
630/*
631 * amp access functions
632 */
633
634#define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
635#define INFO_AMP_CAPS	(1<<0)
636#define INFO_AMP_VOL(ch)	(1 << (1 + (ch)))
637
638/* initialize the hash table */
639static void __devinit init_amp_hash(struct hda_codec *codec)
640{
641	memset(codec->amp_hash, 0xff, sizeof(codec->amp_hash));
642	codec->num_amp_entries = 0;
643	codec->amp_info_size = 0;
644	codec->amp_info = NULL;
645}
646
647/* query the hash.  allocate an entry if not found. */
648static struct hda_amp_info *get_alloc_amp_hash(struct hda_codec *codec, u32 key)
649{
650	u16 idx = key % (u16)ARRAY_SIZE(codec->amp_hash);
651	u16 cur = codec->amp_hash[idx];
652	struct hda_amp_info *info;
653
654	while (cur != 0xffff) {
655		info = &codec->amp_info[cur];
656		if (info->key == key)
657			return info;
658		cur = info->next;
659	}
660
661	/* add a new hash entry */
662	if (codec->num_amp_entries >= codec->amp_info_size) {
663		/* reallocate the array */
664		int new_size = codec->amp_info_size + 64;
665		struct hda_amp_info *new_info;
666		new_info = kcalloc(new_size, sizeof(struct hda_amp_info),
667				   GFP_KERNEL);
668		if (!new_info) {
669			snd_printk(KERN_ERR "hda_codec: "
670				   "can't malloc amp_info\n");
671			return NULL;
672		}
673		if (codec->amp_info) {
674			memcpy(new_info, codec->amp_info,
675			       codec->amp_info_size *
676			       sizeof(struct hda_amp_info));
677			kfree(codec->amp_info);
678		}
679		codec->amp_info_size = new_size;
680		codec->amp_info = new_info;
681	}
682	cur = codec->num_amp_entries++;
683	info = &codec->amp_info[cur];
684	info->key = key;
685	info->status = 0; /* not initialized yet */
686	info->next = codec->amp_hash[idx];
687	codec->amp_hash[idx] = cur;
688
689	return info;
690}
691
692/*
693 * query AMP capabilities for the given widget and direction
694 */
695static u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
696{
697	struct hda_amp_info *info;
698
699	info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0));
700	if (!info)
701		return 0;
702	if (!(info->status & INFO_AMP_CAPS)) {
703		if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
704			nid = codec->afg;
705		info->amp_caps = snd_hda_param_read(codec, nid,
706						    direction == HDA_OUTPUT ?
707						    AC_PAR_AMP_OUT_CAP :
708						    AC_PAR_AMP_IN_CAP);
709		if (info->amp_caps)
710			info->status |= INFO_AMP_CAPS;
711	}
712	return info->amp_caps;
713}
714
715int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
716			      unsigned int caps)
717{
718	struct hda_amp_info *info;
719
720	info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, dir, 0));
721	if (!info)
722		return -EINVAL;
723	info->amp_caps = caps;
724	info->status |= INFO_AMP_CAPS;
725	return 0;
726}
727
728/*
729 * read the current volume to info
730 * if the cache exists, read the cache value.
731 */
732static unsigned int get_vol_mute(struct hda_codec *codec,
733				 struct hda_amp_info *info, hda_nid_t nid,
734				 int ch, int direction, int index)
735{
736	u32 val, parm;
737
738	if (info->status & INFO_AMP_VOL(ch))
739		return info->vol[ch];
740
741	parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
742	parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
743	parm |= index;
744	val = snd_hda_codec_read(codec, nid, 0,
745				 AC_VERB_GET_AMP_GAIN_MUTE, parm);
746	info->vol[ch] = val & 0xff;
747	info->status |= INFO_AMP_VOL(ch);
748	return info->vol[ch];
749}
750
751/*
752 * write the current volume in info to the h/w and update the cache
753 */
754static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
755			 hda_nid_t nid, int ch, int direction, int index,
756			 int val)
757{
758	u32 parm;
759
760	parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
761	parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
762	parm |= index << AC_AMP_SET_INDEX_SHIFT;
763	parm |= val;
764	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
765	info->vol[ch] = val;
766}
767
768/*
769 * read AMP value.  The volume is between 0 to 0x7f, 0x80 = mute bit.
770 */
771int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
772			   int direction, int index)
773{
774	struct hda_amp_info *info;
775	info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
776	if (!info)
777		return 0;
778	return get_vol_mute(codec, info, nid, ch, direction, index);
779}
780
781/*
782 * update the AMP value, mask = bit mask to set, val = the value
783 */
784int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
785			     int direction, int idx, int mask, int val)
786{
787	struct hda_amp_info *info;
788
789	info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx));
790	if (!info)
791		return 0;
792	val &= mask;
793	val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask;
794	if (info->vol[ch] == val && !codec->in_resume)
795		return 0;
796	put_vol_mute(codec, info, nid, ch, direction, idx, val);
797	return 1;
798}
799
800
801/*
802 * AMP control callbacks
803 */
804/* retrieve parameters from private_value */
805#define get_amp_nid(kc)		((kc)->private_value & 0xffff)
806#define get_amp_channels(kc)	(((kc)->private_value >> 16) & 0x3)
807#define get_amp_direction(kc)	(((kc)->private_value >> 18) & 0x1)
808#define get_amp_index(kc)	(((kc)->private_value >> 19) & 0xf)
809
810/* volume */
811int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
812				  struct snd_ctl_elem_info *uinfo)
813{
814	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
815	u16 nid = get_amp_nid(kcontrol);
816	u8 chs = get_amp_channels(kcontrol);
817	int dir = get_amp_direction(kcontrol);
818	u32 caps;
819
820	caps = query_amp_caps(codec, nid, dir);
821	/* num steps */
822	caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
823	if (!caps) {
824		printk(KERN_WARNING "hda_codec: "
825		       "num_steps = 0 for NID=0x%x\n", nid);
826		return -EINVAL;
827	}
828	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
829	uinfo->count = chs == 3 ? 2 : 1;
830	uinfo->value.integer.min = 0;
831	uinfo->value.integer.max = caps;
832	return 0;
833}
834
835int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
836				 struct snd_ctl_elem_value *ucontrol)
837{
838	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
839	hda_nid_t nid = get_amp_nid(kcontrol);
840	int chs = get_amp_channels(kcontrol);
841	int dir = get_amp_direction(kcontrol);
842	int idx = get_amp_index(kcontrol);
843	long *valp = ucontrol->value.integer.value;
844
845	if (chs & 1)
846		*valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & 0x7f;
847	if (chs & 2)
848		*valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & 0x7f;
849	return 0;
850}
851
852int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
853				 struct snd_ctl_elem_value *ucontrol)
854{
855	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
856	hda_nid_t nid = get_amp_nid(kcontrol);
857	int chs = get_amp_channels(kcontrol);
858	int dir = get_amp_direction(kcontrol);
859	int idx = get_amp_index(kcontrol);
860	long *valp = ucontrol->value.integer.value;
861	int change = 0;
862
863	if (chs & 1) {
864		change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
865						  0x7f, *valp);
866		valp++;
867	}
868	if (chs & 2)
869		change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
870						   0x7f, *valp);
871	return change;
872}
873
874int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
875			  unsigned int size, unsigned int __user *_tlv)
876{
877	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
878	hda_nid_t nid = get_amp_nid(kcontrol);
879	int dir = get_amp_direction(kcontrol);
880	u32 caps, val1, val2;
881
882	if (size < 4 * sizeof(unsigned int))
883		return -ENOMEM;
884	caps = query_amp_caps(codec, nid, dir);
885	val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
886	val2 = (val2 + 1) * 25;
887	val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
888	val1 = ((int)val1) * ((int)val2);
889	if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
890		return -EFAULT;
891	if (put_user(2 * sizeof(unsigned int), _tlv + 1))
892		return -EFAULT;
893	if (put_user(val1, _tlv + 2))
894		return -EFAULT;
895	if (put_user(val2, _tlv + 3))
896		return -EFAULT;
897	return 0;
898}
899
900/* switch */
901int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
902				  struct snd_ctl_elem_info *uinfo)
903{
904	int chs = get_amp_channels(kcontrol);
905
906	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
907	uinfo->count = chs == 3 ? 2 : 1;
908	uinfo->value.integer.min = 0;
909	uinfo->value.integer.max = 1;
910	return 0;
911}
912
913int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
914				 struct snd_ctl_elem_value *ucontrol)
915{
916	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
917	hda_nid_t nid = get_amp_nid(kcontrol);
918	int chs = get_amp_channels(kcontrol);
919	int dir = get_amp_direction(kcontrol);
920	int idx = get_amp_index(kcontrol);
921	long *valp = ucontrol->value.integer.value;
922
923	if (chs & 1)
924		*valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
925			   0x80) ? 0 : 1;
926	if (chs & 2)
927		*valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
928			 0x80) ? 0 : 1;
929	return 0;
930}
931
932int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
933				 struct snd_ctl_elem_value *ucontrol)
934{
935	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
936	hda_nid_t nid = get_amp_nid(kcontrol);
937	int chs = get_amp_channels(kcontrol);
938	int dir = get_amp_direction(kcontrol);
939	int idx = get_amp_index(kcontrol);
940	long *valp = ucontrol->value.integer.value;
941	int change = 0;
942
943	if (chs & 1) {
944		change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
945						  0x80, *valp ? 0 : 0x80);
946		valp++;
947	}
948	if (chs & 2)
949		change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
950						   0x80, *valp ? 0 : 0x80);
951
952	return change;
953}
954
955/*
956 * bound volume controls
957 *
958 * bind multiple volumes (# indices, from 0)
959 */
960
961#define AMP_VAL_IDX_SHIFT	19
962#define AMP_VAL_IDX_MASK	(0x0f<<19)
963
964int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
965				  struct snd_ctl_elem_value *ucontrol)
966{
967	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
968	unsigned long pval;
969	int err;
970
971	mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
972	pval = kcontrol->private_value;
973	kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
974	err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
975	kcontrol->private_value = pval;
976	mutex_unlock(&codec->spdif_mutex);
977	return err;
978}
979
980int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
981				  struct snd_ctl_elem_value *ucontrol)
982{
983	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
984	unsigned long pval;
985	int i, indices, err = 0, change = 0;
986
987	mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
988	pval = kcontrol->private_value;
989	indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
990	for (i = 0; i < indices; i++) {
991		kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) |
992			(i << AMP_VAL_IDX_SHIFT);
993		err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
994		if (err < 0)
995			break;
996		change |= err;
997	}
998	kcontrol->private_value = pval;
999	mutex_unlock(&codec->spdif_mutex);
1000	return err < 0 ? err : change;
1001}
1002
1003/*
1004 * SPDIF out controls
1005 */
1006
1007static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
1008				   struct snd_ctl_elem_info *uinfo)
1009{
1010	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1011	uinfo->count = 1;
1012	return 0;
1013}
1014
1015static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
1016				   struct snd_ctl_elem_value *ucontrol)
1017{
1018	ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1019					   IEC958_AES0_NONAUDIO |
1020					   IEC958_AES0_CON_EMPHASIS_5015 |
1021					   IEC958_AES0_CON_NOT_COPYRIGHT;
1022	ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
1023					   IEC958_AES1_CON_ORIGINAL;
1024	return 0;
1025}
1026
1027static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
1028				   struct snd_ctl_elem_value *ucontrol)
1029{
1030	ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
1031					   IEC958_AES0_NONAUDIO |
1032					   IEC958_AES0_PRO_EMPHASIS_5015;
1033	return 0;
1034}
1035
1036static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
1037				     struct snd_ctl_elem_value *ucontrol)
1038{
1039	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1040
1041	ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff;
1042	ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff;
1043	ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff;
1044	ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff;
1045
1046	return 0;
1047}
1048
1049/* convert from SPDIF status bits to HDA SPDIF bits
1050 * bit 0 (DigEn) is always set zero (to be filled later)
1051 */
1052static unsigned short convert_from_spdif_status(unsigned int sbits)
1053{
1054	unsigned short val = 0;
1055
1056	if (sbits & IEC958_AES0_PROFESSIONAL)
1057		val |= AC_DIG1_PROFESSIONAL;
1058	if (sbits & IEC958_AES0_NONAUDIO)
1059		val |= AC_DIG1_NONAUDIO;
1060	if (sbits & IEC958_AES0_PROFESSIONAL) {
1061		if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
1062		    IEC958_AES0_PRO_EMPHASIS_5015)
1063			val |= AC_DIG1_EMPHASIS;
1064	} else {
1065		if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
1066		    IEC958_AES0_CON_EMPHASIS_5015)
1067			val |= AC_DIG1_EMPHASIS;
1068		if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
1069			val |= AC_DIG1_COPYRIGHT;
1070		if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
1071			val |= AC_DIG1_LEVEL;
1072		val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
1073	}
1074	return val;
1075}
1076
1077/* convert to SPDIF status bits from HDA SPDIF bits
1078 */
1079static unsigned int convert_to_spdif_status(unsigned short val)
1080{
1081	unsigned int sbits = 0;
1082
1083	if (val & AC_DIG1_NONAUDIO)
1084		sbits |= IEC958_AES0_NONAUDIO;
1085	if (val & AC_DIG1_PROFESSIONAL)
1086		sbits |= IEC958_AES0_PROFESSIONAL;
1087	if (sbits & IEC958_AES0_PROFESSIONAL) {
1088		if (sbits & AC_DIG1_EMPHASIS)
1089			sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
1090	} else {
1091		if (val & AC_DIG1_EMPHASIS)
1092			sbits |= IEC958_AES0_CON_EMPHASIS_5015;
1093		if (!(val & AC_DIG1_COPYRIGHT))
1094			sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
1095		if (val & AC_DIG1_LEVEL)
1096			sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
1097		sbits |= val & (0x7f << 8);
1098	}
1099	return sbits;
1100}
1101
1102static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
1103				     struct snd_ctl_elem_value *ucontrol)
1104{
1105	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1106	hda_nid_t nid = kcontrol->private_value;
1107	unsigned short val;
1108	int change;
1109
1110	mutex_lock(&codec->spdif_mutex);
1111	codec->spdif_status = ucontrol->value.iec958.status[0] |
1112		((unsigned int)ucontrol->value.iec958.status[1] << 8) |
1113		((unsigned int)ucontrol->value.iec958.status[2] << 16) |
1114		((unsigned int)ucontrol->value.iec958.status[3] << 24);
1115	val = convert_from_spdif_status(codec->spdif_status);
1116	val |= codec->spdif_ctls & 1;
1117	change = codec->spdif_ctls != val;
1118	codec->spdif_ctls = val;
1119
1120	if (change || codec->in_resume) {
1121		snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
1122				    val & 0xff);
1123		snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_2,
1124				    val >> 8);
1125	}
1126
1127	mutex_unlock(&codec->spdif_mutex);
1128	return change;
1129}
1130
1131static int snd_hda_spdif_out_switch_info(struct snd_kcontrol *kcontrol,
1132					 struct snd_ctl_elem_info *uinfo)
1133{
1134	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1135	uinfo->count = 1;
1136	uinfo->value.integer.min = 0;
1137	uinfo->value.integer.max = 1;
1138	return 0;
1139}
1140
1141static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
1142					struct snd_ctl_elem_value *ucontrol)
1143{
1144	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1145
1146	ucontrol->value.integer.value[0] = codec->spdif_ctls & AC_DIG1_ENABLE;
1147	return 0;
1148}
1149
1150static int snd_hda_spdif_out_switch_put(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 = kcontrol->private_value;
1155	unsigned short val;
1156	int change;
1157
1158	mutex_lock(&codec->spdif_mutex);
1159	val = codec->spdif_ctls & ~AC_DIG1_ENABLE;
1160	if (ucontrol->value.integer.value[0])
1161		val |= AC_DIG1_ENABLE;
1162	change = codec->spdif_ctls != val;
1163	if (change || codec->in_resume) {
1164		codec->spdif_ctls = val;
1165		snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
1166				    val & 0xff);
1167		/* unmute amp switch (if any) */
1168		if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
1169		    (val & AC_DIG1_ENABLE))
1170			snd_hda_codec_write(codec, nid, 0,
1171					    AC_VERB_SET_AMP_GAIN_MUTE,
1172					    AC_AMP_SET_RIGHT | AC_AMP_SET_LEFT |
1173					    AC_AMP_SET_OUTPUT);
1174	}
1175	mutex_unlock(&codec->spdif_mutex);
1176	return change;
1177}
1178
1179static struct snd_kcontrol_new dig_mixes[] = {
1180	{
1181		.access = SNDRV_CTL_ELEM_ACCESS_READ,
1182		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1183		.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1184		.info = snd_hda_spdif_mask_info,
1185		.get = snd_hda_spdif_cmask_get,
1186	},
1187	{
1188		.access = SNDRV_CTL_ELEM_ACCESS_READ,
1189		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1190		.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
1191		.info = snd_hda_spdif_mask_info,
1192		.get = snd_hda_spdif_pmask_get,
1193	},
1194	{
1195		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1196		.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1197		.info = snd_hda_spdif_mask_info,
1198		.get = snd_hda_spdif_default_get,
1199		.put = snd_hda_spdif_default_put,
1200	},
1201	{
1202		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1203		.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
1204		.info = snd_hda_spdif_out_switch_info,
1205		.get = snd_hda_spdif_out_switch_get,
1206		.put = snd_hda_spdif_out_switch_put,
1207	},
1208	{ } /* end */
1209};
1210
1211/**
1212 * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls
1213 * @codec: the HDA codec
1214 * @nid: audio out widget NID
1215 *
1216 * Creates controls related with the SPDIF output.
1217 * Called from each patch supporting the SPDIF out.
1218 *
1219 * Returns 0 if successful, or a negative error code.
1220 */
1221int __devinit snd_hda_create_spdif_out_ctls(struct hda_codec *codec,
1222					    hda_nid_t nid)
1223{
1224	int err;
1225	struct snd_kcontrol *kctl;
1226	struct snd_kcontrol_new *dig_mix;
1227
1228	for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
1229		kctl = snd_ctl_new1(dig_mix, codec);
1230		kctl->private_value = nid;
1231		err = snd_ctl_add(codec->bus->card, kctl);
1232		if (err < 0)
1233			return err;
1234	}
1235	codec->spdif_ctls =
1236		snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0);
1237	codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
1238	return 0;
1239}
1240
1241/*
1242 * SPDIF input
1243 */
1244
1245#define snd_hda_spdif_in_switch_info	snd_hda_spdif_out_switch_info
1246
1247static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
1248				       struct snd_ctl_elem_value *ucontrol)
1249{
1250	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1251
1252	ucontrol->value.integer.value[0] = codec->spdif_in_enable;
1253	return 0;
1254}
1255
1256static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
1257				       struct snd_ctl_elem_value *ucontrol)
1258{
1259	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1260	hda_nid_t nid = kcontrol->private_value;
1261	unsigned int val = !!ucontrol->value.integer.value[0];
1262	int change;
1263
1264	mutex_lock(&codec->spdif_mutex);
1265	change = codec->spdif_in_enable != val;
1266	if (change || codec->in_resume) {
1267		codec->spdif_in_enable = val;
1268		snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
1269				    val);
1270	}
1271	mutex_unlock(&codec->spdif_mutex);
1272	return change;
1273}
1274
1275static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
1276				       struct snd_ctl_elem_value *ucontrol)
1277{
1278	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1279	hda_nid_t nid = kcontrol->private_value;
1280	unsigned short val;
1281	unsigned int sbits;
1282
1283	val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0);
1284	sbits = convert_to_spdif_status(val);
1285	ucontrol->value.iec958.status[0] = sbits;
1286	ucontrol->value.iec958.status[1] = sbits >> 8;
1287	ucontrol->value.iec958.status[2] = sbits >> 16;
1288	ucontrol->value.iec958.status[3] = sbits >> 24;
1289	return 0;
1290}
1291
1292static struct snd_kcontrol_new dig_in_ctls[] = {
1293	{
1294		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1295		.name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
1296		.info = snd_hda_spdif_in_switch_info,
1297		.get = snd_hda_spdif_in_switch_get,
1298		.put = snd_hda_spdif_in_switch_put,
1299	},
1300	{
1301		.access = SNDRV_CTL_ELEM_ACCESS_READ,
1302		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1303		.name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1304		.info = snd_hda_spdif_mask_info,
1305		.get = snd_hda_spdif_in_status_get,
1306	},
1307	{ } /* end */
1308};
1309
1310/**
1311 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
1312 * @codec: the HDA codec
1313 * @nid: audio in widget NID
1314 *
1315 * Creates controls related with the SPDIF input.
1316 * Called from each patch supporting the SPDIF in.
1317 *
1318 * Returns 0 if successful, or a negative error code.
1319 */
1320int __devinit snd_hda_create_spdif_in_ctls(struct hda_codec *codec,
1321					   hda_nid_t nid)
1322{
1323	int err;
1324	struct snd_kcontrol *kctl;
1325	struct snd_kcontrol_new *dig_mix;
1326
1327	for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
1328		kctl = snd_ctl_new1(dig_mix, codec);
1329		kctl->private_value = nid;
1330		err = snd_ctl_add(codec->bus->card, kctl);
1331		if (err < 0)
1332			return err;
1333	}
1334	codec->spdif_in_enable =
1335		snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0) &
1336		AC_DIG1_ENABLE;
1337	return 0;
1338}
1339
1340
1341/*
1342 * set power state of the codec
1343 */
1344static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
1345				unsigned int power_state)
1346{
1347	hda_nid_t nid, nid_start;
1348	int nodes;
1349
1350	snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE,
1351			    power_state);
1352
1353	nodes = snd_hda_get_sub_nodes(codec, fg, &nid_start);
1354	for (nid = nid_start; nid < nodes + nid_start; nid++) {
1355		if (get_wcaps(codec, nid) & AC_WCAP_POWER)
1356			snd_hda_codec_write(codec, nid, 0,
1357					    AC_VERB_SET_POWER_STATE,
1358					    power_state);
1359	}
1360
1361	if (power_state == AC_PWRST_D0)
1362		msleep(10);
1363}
1364
1365
1366/**
1367 * snd_hda_build_controls - build mixer controls
1368 * @bus: the BUS
1369 *
1370 * Creates mixer controls for each codec included in the bus.
1371 *
1372 * Returns 0 if successful, otherwise a negative error code.
1373 */
1374int __devinit snd_hda_build_controls(struct hda_bus *bus)
1375{
1376	struct hda_codec *codec;
1377
1378	/* build controls */
1379	list_for_each_entry(codec, &bus->codec_list, list) {
1380		int err;
1381		if (!codec->patch_ops.build_controls)
1382			continue;
1383		err = codec->patch_ops.build_controls(codec);
1384		if (err < 0)
1385			return err;
1386	}
1387
1388	/* initialize */
1389	list_for_each_entry(codec, &bus->codec_list, list) {
1390		int err;
1391		hda_set_power_state(codec,
1392				    codec->afg ? codec->afg : codec->mfg,
1393				    AC_PWRST_D0);
1394		if (!codec->patch_ops.init)
1395			continue;
1396		err = codec->patch_ops.init(codec);
1397		if (err < 0)
1398			return err;
1399	}
1400	return 0;
1401}
1402
1403/*
1404 * stream formats
1405 */
1406struct hda_rate_tbl {
1407	unsigned int hz;
1408	unsigned int alsa_bits;
1409	unsigned int hda_fmt;
1410};
1411
1412static struct hda_rate_tbl rate_bits[] = {
1413	/* rate in Hz, ALSA rate bitmask, HDA format value */
1414
1415	/* autodetected value used in snd_hda_query_supported_pcm */
1416	{ 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
1417	{ 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
1418	{ 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
1419	{ 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
1420	{ 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
1421	{ 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
1422	{ 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
1423	{ 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
1424	{ 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
1425	{ 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
1426	{ 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
1427#define AC_PAR_PCM_RATE_BITS	11
1428	/* up to bits 10, 384kHZ isn't supported properly */
1429
1430	/* not autodetected value */
1431	{ 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
1432
1433	{ 0 } /* terminator */
1434};
1435
1436/**
1437 * snd_hda_calc_stream_format - calculate format bitset
1438 * @rate: the sample rate
1439 * @channels: the number of channels
1440 * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
1441 * @maxbps: the max. bps
1442 *
1443 * Calculate the format bitset from the given rate, channels and th PCM format.
1444 *
1445 * Return zero if invalid.
1446 */
1447unsigned int snd_hda_calc_stream_format(unsigned int rate,
1448					unsigned int channels,
1449					unsigned int format,
1450					unsigned int maxbps)
1451{
1452	int i;
1453	unsigned int val = 0;
1454
1455	for (i = 0; rate_bits[i].hz; i++)
1456		if (rate_bits[i].hz == rate) {
1457			val = rate_bits[i].hda_fmt;
1458			break;
1459		}
1460	if (!rate_bits[i].hz) {
1461		snd_printdd("invalid rate %d\n", rate);
1462		return 0;
1463	}
1464
1465	if (channels == 0 || channels > 8) {
1466		snd_printdd("invalid channels %d\n", channels);
1467		return 0;
1468	}
1469	val |= channels - 1;
1470
1471	switch (snd_pcm_format_width(format)) {
1472	case 8:  val |= 0x00; break;
1473	case 16: val |= 0x10; break;
1474	case 20:
1475	case 24:
1476	case 32:
1477		if (maxbps >= 32)
1478			val |= 0x40;
1479		else if (maxbps >= 24)
1480			val |= 0x30;
1481		else
1482			val |= 0x20;
1483		break;
1484	default:
1485		snd_printdd("invalid format width %d\n",
1486			    snd_pcm_format_width(format));
1487		return 0;
1488	}
1489
1490	return val;
1491}
1492
1493/**
1494 * snd_hda_query_supported_pcm - query the supported PCM rates and formats
1495 * @codec: the HDA codec
1496 * @nid: NID to query
1497 * @ratesp: the pointer to store the detected rate bitflags
1498 * @formatsp: the pointer to store the detected formats
1499 * @bpsp: the pointer to store the detected format widths
1500 *
1501 * Queries the supported PCM rates and formats.  The NULL @ratesp, @formatsp
1502 * or @bsps argument is ignored.
1503 *
1504 * Returns 0 if successful, otherwise a negative error code.
1505 */
1506int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
1507				u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
1508{
1509	int i;
1510	unsigned int val, streams;
1511
1512	val = 0;
1513	if (nid != codec->afg &&
1514	    (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
1515		val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
1516		if (val == -1)
1517			return -EIO;
1518	}
1519	if (!val)
1520		val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
1521
1522	if (ratesp) {
1523		u32 rates = 0;
1524		for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) {
1525			if (val & (1 << i))
1526				rates |= rate_bits[i].alsa_bits;
1527		}
1528		*ratesp = rates;
1529	}
1530
1531	if (formatsp || bpsp) {
1532		u64 formats = 0;
1533		unsigned int bps;
1534		unsigned int wcaps;
1535
1536		wcaps = get_wcaps(codec, nid);
1537		streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
1538		if (streams == -1)
1539			return -EIO;
1540		if (!streams) {
1541			streams = snd_hda_param_read(codec, codec->afg,
1542						     AC_PAR_STREAM);
1543			if (streams == -1)
1544				return -EIO;
1545		}
1546
1547		bps = 0;
1548		if (streams & AC_SUPFMT_PCM) {
1549			if (val & AC_SUPPCM_BITS_8) {
1550				formats |= SNDRV_PCM_FMTBIT_U8;
1551				bps = 8;
1552			}
1553			if (val & AC_SUPPCM_BITS_16) {
1554				formats |= SNDRV_PCM_FMTBIT_S16_LE;
1555				bps = 16;
1556			}
1557			if (wcaps & AC_WCAP_DIGITAL) {
1558				if (val & AC_SUPPCM_BITS_32)
1559					formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
1560				if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
1561					formats |= SNDRV_PCM_FMTBIT_S32_LE;
1562				if (val & AC_SUPPCM_BITS_24)
1563					bps = 24;
1564				else if (val & AC_SUPPCM_BITS_20)
1565					bps = 20;
1566			} else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|
1567					  AC_SUPPCM_BITS_32)) {
1568				formats |= SNDRV_PCM_FMTBIT_S32_LE;
1569				if (val & AC_SUPPCM_BITS_32)
1570					bps = 32;
1571				else if (val & AC_SUPPCM_BITS_24)
1572					bps = 24;
1573				else if (val & AC_SUPPCM_BITS_20)
1574					bps = 20;
1575			}
1576		}
1577		else if (streams == AC_SUPFMT_FLOAT32) {
1578			/* should be exclusive */
1579			formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
1580			bps = 32;
1581		} else if (streams == AC_SUPFMT_AC3) {
1582			/* should be exclusive */
1583			/* temporary hack: we have still no proper support
1584			 * for the direct AC3 stream...
1585			 */
1586			formats |= SNDRV_PCM_FMTBIT_U8;
1587			bps = 8;
1588		}
1589		if (formatsp)
1590			*formatsp = formats;
1591		if (bpsp)
1592			*bpsp = bps;
1593	}
1594
1595	return 0;
1596}
1597
1598/**
1599 * snd_hda_is_supported_format - check whether the given node supports
1600 * the format val
1601 *
1602 * Returns 1 if supported, 0 if not.
1603 */
1604int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
1605				unsigned int format)
1606{
1607	int i;
1608	unsigned int val = 0, rate, stream;
1609
1610	if (nid != codec->afg &&
1611	    (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
1612		val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
1613		if (val == -1)
1614			return 0;
1615	}
1616	if (!val) {
1617		val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
1618		if (val == -1)
1619			return 0;
1620	}
1621
1622	rate = format & 0xff00;
1623	for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)
1624		if (rate_bits[i].hda_fmt == rate) {
1625			if (val & (1 << i))
1626				break;
1627			return 0;
1628		}
1629	if (i >= AC_PAR_PCM_RATE_BITS)
1630		return 0;
1631
1632	stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
1633	if (stream == -1)
1634		return 0;
1635	if (!stream && nid != codec->afg)
1636		stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
1637	if (!stream || stream == -1)
1638		return 0;
1639
1640	if (stream & AC_SUPFMT_PCM) {
1641		switch (format & 0xf0) {
1642		case 0x00:
1643			if (!(val & AC_SUPPCM_BITS_8))
1644				return 0;
1645			break;
1646		case 0x10:
1647			if (!(val & AC_SUPPCM_BITS_16))
1648				return 0;
1649			break;
1650		case 0x20:
1651			if (!(val & AC_SUPPCM_BITS_20))
1652				return 0;
1653			break;
1654		case 0x30:
1655			if (!(val & AC_SUPPCM_BITS_24))
1656				return 0;
1657			break;
1658		case 0x40:
1659			if (!(val & AC_SUPPCM_BITS_32))
1660				return 0;
1661			break;
1662		default:
1663			return 0;
1664		}
1665	} else {
1666	}
1667
1668	return 1;
1669}
1670
1671/*
1672 * PCM stuff
1673 */
1674static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
1675				      struct hda_codec *codec,
1676				      struct snd_pcm_substream *substream)
1677{
1678	return 0;
1679}
1680
1681static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
1682				   struct hda_codec *codec,
1683				   unsigned int stream_tag,
1684				   unsigned int format,
1685				   struct snd_pcm_substream *substream)
1686{
1687	snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
1688	return 0;
1689}
1690
1691static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
1692				   struct hda_codec *codec,
1693				   struct snd_pcm_substream *substream)
1694{
1695	snd_hda_codec_setup_stream(codec, hinfo->nid, 0, 0, 0);
1696	return 0;
1697}
1698
1699static int __devinit set_pcm_default_values(struct hda_codec *codec,
1700					    struct hda_pcm_stream *info)
1701{
1702	/* query support PCM information from the given NID */
1703	if (info->nid && (!info->rates || !info->formats)) {
1704		snd_hda_query_supported_pcm(codec, info->nid,
1705				info->rates ? NULL : &info->rates,
1706				info->formats ? NULL : &info->formats,
1707				info->maxbps ? NULL : &info->maxbps);
1708	}
1709	if (info->ops.open == NULL)
1710		info->ops.open = hda_pcm_default_open_close;
1711	if (info->ops.close == NULL)
1712		info->ops.close = hda_pcm_default_open_close;
1713	if (info->ops.prepare == NULL) {
1714		snd_assert(info->nid, return -EINVAL);
1715		info->ops.prepare = hda_pcm_default_prepare;
1716	}
1717	if (info->ops.cleanup == NULL) {
1718		snd_assert(info->nid, return -EINVAL);
1719		info->ops.cleanup = hda_pcm_default_cleanup;
1720	}
1721	return 0;
1722}
1723
1724/**
1725 * snd_hda_build_pcms - build PCM information
1726 * @bus: the BUS
1727 *
1728 * Create PCM information for each codec included in the bus.
1729 *
1730 * The build_pcms codec patch is requested to set up codec->num_pcms and
1731 * codec->pcm_info properly.  The array is referred by the top-level driver
1732 * to create its PCM instances.
1733 * The allocated codec->pcm_info should be released in codec->patch_ops.free
1734 * callback.
1735 *
1736 * At least, substreams, channels_min and channels_max must be filled for
1737 * each stream.  substreams = 0 indicates that the stream doesn't exist.
1738 * When rates and/or formats are zero, the supported values are queried
1739 * from the given nid.  The nid is used also by the default ops.prepare
1740 * and ops.cleanup callbacks.
1741 *
1742 * The driver needs to call ops.open in its open callback.  Similarly,
1743 * ops.close is supposed to be called in the close callback.
1744 * ops.prepare should be called in the prepare or hw_params callback
1745 * with the proper parameters for set up.
1746 * ops.cleanup should be called in hw_free for clean up of streams.
1747 *
1748 * This function returns 0 if successfull, or a negative error code.
1749 */
1750int __devinit snd_hda_build_pcms(struct hda_bus *bus)
1751{
1752	struct hda_codec *codec;
1753
1754	list_for_each_entry(codec, &bus->codec_list, list) {
1755		unsigned int pcm, s;
1756		int err;
1757		if (!codec->patch_ops.build_pcms)
1758			continue;
1759		err = codec->patch_ops.build_pcms(codec);
1760		if (err < 0)
1761			return err;
1762		for (pcm = 0; pcm < codec->num_pcms; pcm++) {
1763			for (s = 0; s < 2; s++) {
1764				struct hda_pcm_stream *info;
1765				info = &codec->pcm_info[pcm].stream[s];
1766				if (!info->substreams)
1767					continue;
1768				err = set_pcm_default_values(codec, info);
1769				if (err < 0)
1770					return err;
1771			}
1772		}
1773	}
1774	return 0;
1775}
1776
1777/**
1778 * snd_hda_check_board_config - compare the current codec with the config table
1779 * @codec: the HDA codec
1780 * @num_configs: number of config enums
1781 * @models: array of model name strings
1782 * @tbl: configuration table, terminated by null entries
1783 *
1784 * Compares the modelname or PCI subsystem id of the current codec with the
1785 * given configuration table.  If a matching entry is found, returns its
1786 * config value (supposed to be 0 or positive).
1787 *
1788 * If no entries are matching, the function returns a negative value.
1789 */
1790int __devinit snd_hda_check_board_config(struct hda_codec *codec,
1791					 int num_configs, const char **models,
1792					 const struct snd_pci_quirk *tbl)
1793{
1794	if (codec->bus->modelname && models) {
1795		int i;
1796		for (i = 0; i < num_configs; i++) {
1797			if (models[i] &&
1798			    !strcmp(codec->bus->modelname, models[i])) {
1799				snd_printd(KERN_INFO "hda_codec: model '%s' is "
1800					   "selected\n", models[i]);
1801				return i;
1802			}
1803		}
1804	}
1805
1806	if (!codec->bus->pci || !tbl)
1807		return -1;
1808
1809	tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl);
1810	if (!tbl)
1811		return -1;
1812	if (tbl->value >= 0 && tbl->value < num_configs) {
1813#ifdef CONFIG_SND_DEBUG_DETECT
1814		char tmp[10];
1815		const char *model = NULL;
1816		if (models)
1817			model = models[tbl->value];
1818		if (!model) {
1819			sprintf(tmp, "#%d", tbl->value);
1820			model = tmp;
1821		}
1822		snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
1823			    "for config %x:%x (%s)\n",
1824			    model, tbl->subvendor, tbl->subdevice,
1825			    (tbl->name ? tbl->name : "Unknown device"));
1826#endif
1827		return tbl->value;
1828	}
1829	return -1;
1830}
1831
1832/**
1833 * snd_hda_add_new_ctls - create controls from the array
1834 * @codec: the HDA codec
1835 * @knew: the array of struct snd_kcontrol_new
1836 *
1837 * This helper function creates and add new controls in the given array.
1838 * The array must be terminated with an empty entry as terminator.
1839 *
1840 * Returns 0 if successful, or a negative error code.
1841 */
1842int __devinit snd_hda_add_new_ctls(struct hda_codec *codec,
1843				   struct snd_kcontrol_new *knew)
1844{
1845	int err;
1846
1847	for (; knew->name; knew++) {
1848		struct snd_kcontrol *kctl;
1849		kctl = snd_ctl_new1(knew, codec);
1850		if (!kctl)
1851			return -ENOMEM;
1852		err = snd_ctl_add(codec->bus->card, kctl);
1853		if (err < 0) {
1854			if (!codec->addr)
1855				return err;
1856			kctl = snd_ctl_new1(knew, codec);
1857			if (!kctl)
1858				return -ENOMEM;
1859			kctl->id.device = codec->addr;
1860			err = snd_ctl_add(codec->bus->card, kctl);
1861			if (err < 0)
1862				return err;
1863		}
1864	}
1865	return 0;
1866}
1867
1868
1869/*
1870 * Channel mode helper
1871 */
1872int snd_hda_ch_mode_info(struct hda_codec *codec,
1873			 struct snd_ctl_elem_info *uinfo,
1874			 const struct hda_channel_mode *chmode,
1875			 int num_chmodes)
1876{
1877	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1878	uinfo->count = 1;
1879	uinfo->value.enumerated.items = num_chmodes;
1880	if (uinfo->value.enumerated.item >= num_chmodes)
1881		uinfo->value.enumerated.item = num_chmodes - 1;
1882	sprintf(uinfo->value.enumerated.name, "%dch",
1883		chmode[uinfo->value.enumerated.item].channels);
1884	return 0;
1885}
1886
1887int snd_hda_ch_mode_get(struct hda_codec *codec,
1888			struct snd_ctl_elem_value *ucontrol,
1889			const struct hda_channel_mode *chmode,
1890			int num_chmodes,
1891			int max_channels)
1892{
1893	int i;
1894
1895	for (i = 0; i < num_chmodes; i++) {
1896		if (max_channels == chmode[i].channels) {
1897			ucontrol->value.enumerated.item[0] = i;
1898			break;
1899		}
1900	}
1901	return 0;
1902}
1903
1904int snd_hda_ch_mode_put(struct hda_codec *codec,
1905			struct snd_ctl_elem_value *ucontrol,
1906			const struct hda_channel_mode *chmode,
1907			int num_chmodes,
1908			int *max_channelsp)
1909{
1910	unsigned int mode;
1911
1912	mode = ucontrol->value.enumerated.item[0];
1913	snd_assert(mode < num_chmodes, return -EINVAL);
1914	if (*max_channelsp == chmode[mode].channels && !codec->in_resume)
1915		return 0;
1916	/* change the current channel setting */
1917	*max_channelsp = chmode[mode].channels;
1918	if (chmode[mode].sequence)
1919		snd_hda_sequence_write(codec, chmode[mode].sequence);
1920	return 1;
1921}
1922
1923/*
1924 * input MUX helper
1925 */
1926int snd_hda_input_mux_info(const struct hda_input_mux *imux,
1927			   struct snd_ctl_elem_info *uinfo)
1928{
1929	unsigned int index;
1930
1931	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1932	uinfo->count = 1;
1933	uinfo->value.enumerated.items = imux->num_items;
1934	index = uinfo->value.enumerated.item;
1935	if (index >= imux->num_items)
1936		index = imux->num_items - 1;
1937	strcpy(uinfo->value.enumerated.name, imux->items[index].label);
1938	return 0;
1939}
1940
1941int snd_hda_input_mux_put(struct hda_codec *codec,
1942			  const struct hda_input_mux *imux,
1943			  struct snd_ctl_elem_value *ucontrol,
1944			  hda_nid_t nid,
1945			  unsigned int *cur_val)
1946{
1947	unsigned int idx;
1948
1949	idx = ucontrol->value.enumerated.item[0];
1950	if (idx >= imux->num_items)
1951		idx = imux->num_items - 1;
1952	if (*cur_val == idx && !codec->in_resume)
1953		return 0;
1954	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
1955			    imux->items[idx].index);
1956	*cur_val = idx;
1957	return 1;
1958}
1959
1960
1961/*
1962 * Multi-channel / digital-out PCM helper functions
1963 */
1964
1965/* setup SPDIF output stream */
1966static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
1967				 unsigned int stream_tag, unsigned int format)
1968{
1969	/* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
1970	if (codec->spdif_ctls & AC_DIG1_ENABLE)
1971		snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
1972				    codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
1973	snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
1974	/* turn on again (if needed) */
1975	if (codec->spdif_ctls & AC_DIG1_ENABLE)
1976		snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
1977				    codec->spdif_ctls & 0xff);
1978}
1979
1980/*
1981 * open the digital out in the exclusive mode
1982 */
1983int snd_hda_multi_out_dig_open(struct hda_codec *codec,
1984			       struct hda_multi_out *mout)
1985{
1986	mutex_lock(&codec->spdif_mutex);
1987	if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
1988		/* already opened as analog dup; reset it once */
1989		snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
1990	mout->dig_out_used = HDA_DIG_EXCLUSIVE;
1991	mutex_unlock(&codec->spdif_mutex);
1992	return 0;
1993}
1994
1995int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
1996				  struct hda_multi_out *mout,
1997				  unsigned int stream_tag,
1998				  unsigned int format,
1999				  struct snd_pcm_substream *substream)
2000{
2001	mutex_lock(&codec->spdif_mutex);
2002	setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
2003	mutex_unlock(&codec->spdif_mutex);
2004	return 0;
2005}
2006
2007/*
2008 * release the digital out
2009 */
2010int snd_hda_multi_out_dig_close(struct hda_codec *codec,
2011				struct hda_multi_out *mout)
2012{
2013	mutex_lock(&codec->spdif_mutex);
2014	mout->dig_out_used = 0;
2015	mutex_unlock(&codec->spdif_mutex);
2016	return 0;
2017}
2018
2019/*
2020 * set up more restrictions for analog out
2021 */
2022int snd_hda_multi_out_analog_open(struct hda_codec *codec,
2023				  struct hda_multi_out *mout,
2024				  struct snd_pcm_substream *substream)
2025{
2026	substream->runtime->hw.channels_max = mout->max_channels;
2027	return snd_pcm_hw_constraint_step(substream->runtime, 0,
2028					  SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2029}
2030
2031/*
2032 * set up the i/o for analog out
2033 * when the digital out is available, copy the front out to digital out, too.
2034 */
2035int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
2036				     struct hda_multi_out *mout,
2037				     unsigned int stream_tag,
2038				     unsigned int format,
2039				     struct snd_pcm_substream *substream)
2040{
2041	hda_nid_t *nids = mout->dac_nids;
2042	int chs = substream->runtime->channels;
2043	int i;
2044
2045	mutex_lock(&codec->spdif_mutex);
2046	if (mout->dig_out_nid && mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
2047		if (chs == 2 &&
2048		    snd_hda_is_supported_format(codec, mout->dig_out_nid,
2049						format) &&
2050		    !(codec->spdif_status & IEC958_AES0_NONAUDIO)) {
2051			mout->dig_out_used = HDA_DIG_ANALOG_DUP;
2052			setup_dig_out_stream(codec, mout->dig_out_nid,
2053					     stream_tag, format);
2054		} else {
2055			mout->dig_out_used = 0;
2056			snd_hda_codec_setup_stream(codec, mout->dig_out_nid,
2057						   0, 0, 0);
2058		}
2059	}
2060	mutex_unlock(&codec->spdif_mutex);
2061
2062	/* front */
2063	snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
2064				   0, format);
2065	if (mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
2066		/* headphone out will just decode front left/right (stereo) */
2067		snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
2068					   0, format);
2069	/* extra outputs copied from front */
2070	for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2071		if (mout->extra_out_nid[i])
2072			snd_hda_codec_setup_stream(codec,
2073						   mout->extra_out_nid[i],
2074						   stream_tag, 0, format);
2075
2076	/* surrounds */
2077	for (i = 1; i < mout->num_dacs; i++) {
2078		if (chs >= (i + 1) * 2) /* independent out */
2079			snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2080						   i * 2, format);
2081		else /* copy front */
2082			snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
2083						   0, format);
2084	}
2085	return 0;
2086}
2087
2088/*
2089 * clean up the setting for analog out
2090 */
2091int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
2092				     struct hda_multi_out *mout)
2093{
2094	hda_nid_t *nids = mout->dac_nids;
2095	int i;
2096
2097	for (i = 0; i < mout->num_dacs; i++)
2098		snd_hda_codec_setup_stream(codec, nids[i], 0, 0, 0);
2099	if (mout->hp_nid)
2100		snd_hda_codec_setup_stream(codec, mout->hp_nid, 0, 0, 0);
2101	for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
2102		if (mout->extra_out_nid[i])
2103			snd_hda_codec_setup_stream(codec,
2104						   mout->extra_out_nid[i],
2105						   0, 0, 0);
2106	mutex_lock(&codec->spdif_mutex);
2107	if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
2108		snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
2109		mout->dig_out_used = 0;
2110	}
2111	mutex_unlock(&codec->spdif_mutex);
2112	return 0;
2113}
2114
2115/*
2116 * Helper for automatic ping configuration
2117 */
2118
2119static int __devinit is_in_nid_list(hda_nid_t nid, hda_nid_t *list)
2120{
2121	for (; *list; list++)
2122		if (*list == nid)
2123			return 1;
2124	return 0;
2125}
2126
2127
2128/*
2129 * Sort an associated group of pins according to their sequence numbers.
2130 */
2131static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences,
2132				  int num_pins)
2133{
2134	int i, j;
2135	short seq;
2136	hda_nid_t nid;
2137
2138	for (i = 0; i < num_pins; i++) {
2139		for (j = i + 1; j < num_pins; j++) {
2140			if (sequences[i] > sequences[j]) {
2141				seq = sequences[i];
2142				sequences[i] = sequences[j];
2143				sequences[j] = seq;
2144				nid = pins[i];
2145				pins[i] = pins[j];
2146				pins[j] = nid;
2147			}
2148		}
2149	}
2150}
2151
2152
2153/*
2154 * Parse all pin widgets and store the useful pin nids to cfg
2155 *
2156 * The number of line-outs or any primary output is stored in line_outs,
2157 * and the corresponding output pins are assigned to line_out_pins[],
2158 * in the order of front, rear, CLFE, side, ...
2159 *
2160 * If more extra outputs (speaker and headphone) are found, the pins are
2161 * assisnged to hp_pins[] and speaker_pins[], respectively.  If no line-out jack
2162 * is detected, one of speaker of HP pins is assigned as the primary
2163 * output, i.e. to line_out_pins[0].  So, line_outs is always positive
2164 * if any analog output exists.
2165 *
2166 * The analog input pins are assigned to input_pins array.
2167 * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
2168 * respectively.
2169 */
2170int __devinit snd_hda_parse_pin_def_config(struct hda_codec *codec,
2171					   struct auto_pin_cfg *cfg,
2172					   hda_nid_t *ignore_nids)
2173{
2174	hda_nid_t nid, nid_start;
2175	int nodes;
2176	short seq, assoc_line_out, assoc_speaker;
2177	short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)];
2178	short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)];
2179
2180	memset(cfg, 0, sizeof(*cfg));
2181
2182	memset(sequences_line_out, 0, sizeof(sequences_line_out));
2183	memset(sequences_speaker, 0, sizeof(sequences_speaker));
2184	assoc_line_out = assoc_speaker = 0;
2185
2186	nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid_start);
2187	for (nid = nid_start; nid < nodes + nid_start; nid++) {
2188		unsigned int wid_caps = get_wcaps(codec, nid);
2189		unsigned int wid_type =
2190			(wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
2191		unsigned int def_conf;
2192		short assoc, loc;
2193
2194		/* read all default configuration for pin complex */
2195		if (wid_type != AC_WID_PIN)
2196			continue;
2197		/* ignore the given nids (e.g. pc-beep returns error) */
2198		if (ignore_nids && is_in_nid_list(nid, ignore_nids))
2199			continue;
2200
2201		def_conf = snd_hda_codec_read(codec, nid, 0,
2202					      AC_VERB_GET_CONFIG_DEFAULT, 0);
2203		if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
2204			continue;
2205		loc = get_defcfg_location(def_conf);
2206		switch (get_defcfg_device(def_conf)) {
2207		case AC_JACK_LINE_OUT:
2208			seq = get_defcfg_sequence(def_conf);
2209			assoc = get_defcfg_association(def_conf);
2210			if (!assoc)
2211				continue;
2212			if (!assoc_line_out)
2213				assoc_line_out = assoc;
2214			else if (assoc_line_out != assoc)
2215				continue;
2216			if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
2217				continue;
2218			cfg->line_out_pins[cfg->line_outs] = nid;
2219			sequences_line_out[cfg->line_outs] = seq;
2220			cfg->line_outs++;
2221			break;
2222		case AC_JACK_SPEAKER:
2223			seq = get_defcfg_sequence(def_conf);
2224			assoc = get_defcfg_association(def_conf);
2225			if (! assoc)
2226				continue;
2227			if (! assoc_speaker)
2228				assoc_speaker = assoc;
2229			else if (assoc_speaker != assoc)
2230				continue;
2231			if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
2232				continue;
2233			cfg->speaker_pins[cfg->speaker_outs] = nid;
2234			sequences_speaker[cfg->speaker_outs] = seq;
2235			cfg->speaker_outs++;
2236			break;
2237		case AC_JACK_HP_OUT:
2238			if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
2239				continue;
2240			cfg->hp_pins[cfg->hp_outs] = nid;
2241			cfg->hp_outs++;
2242			break;
2243		case AC_JACK_MIC_IN: {
2244			int preferred, alt;
2245			if (loc == AC_JACK_LOC_FRONT) {
2246				preferred = AUTO_PIN_FRONT_MIC;
2247				alt = AUTO_PIN_MIC;
2248			} else {
2249				preferred = AUTO_PIN_MIC;
2250				alt = AUTO_PIN_FRONT_MIC;
2251			}
2252			if (!cfg->input_pins[preferred])
2253				cfg->input_pins[preferred] = nid;
2254			else if (!cfg->input_pins[alt])
2255				cfg->input_pins[alt] = nid;
2256			break;
2257		}
2258		case AC_JACK_LINE_IN:
2259			if (loc == AC_JACK_LOC_FRONT)
2260				cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
2261			else
2262				cfg->input_pins[AUTO_PIN_LINE] = nid;
2263			break;
2264		case AC_JACK_CD:
2265			cfg->input_pins[AUTO_PIN_CD] = nid;
2266			break;
2267		case AC_JACK_AUX:
2268			cfg->input_pins[AUTO_PIN_AUX] = nid;
2269			break;
2270		case AC_JACK_SPDIF_OUT:
2271			cfg->dig_out_pin = nid;
2272			break;
2273		case AC_JACK_SPDIF_IN:
2274			cfg->dig_in_pin = nid;
2275			break;
2276		}
2277	}
2278
2279	/* sort by sequence */
2280	sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out,
2281			      cfg->line_outs);
2282	sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker,
2283			      cfg->speaker_outs);
2284
2285	/*
2286	 * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
2287	 * as a primary output
2288	 */
2289	if (!cfg->line_outs) {
2290		if (cfg->speaker_outs) {
2291			cfg->line_outs = cfg->speaker_outs;
2292			memcpy(cfg->line_out_pins, cfg->speaker_pins,
2293			       sizeof(cfg->speaker_pins));
2294			cfg->speaker_outs = 0;
2295			memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
2296			cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
2297		} else if (cfg->hp_outs) {
2298			cfg->line_outs = cfg->hp_outs;
2299			memcpy(cfg->line_out_pins, cfg->hp_pins,
2300			       sizeof(cfg->hp_pins));
2301			cfg->hp_outs = 0;
2302			memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
2303			cfg->line_out_type = AUTO_PIN_HP_OUT;
2304		}
2305	}
2306
2307	/* Reorder the surround channels
2308	 * ALSA sequence is front/surr/clfe/side
2309	 * HDA sequence is:
2310	 *    4-ch: front/surr  =>  OK as it is
2311	 *    6-ch: front/clfe/surr
2312	 *    8-ch: front/clfe/rear/side|fc
2313	 */
2314	switch (cfg->line_outs) {
2315	case 3:
2316	case 4:
2317		nid = cfg->line_out_pins[1];
2318		cfg->line_out_pins[1] = cfg->line_out_pins[2];
2319		cfg->line_out_pins[2] = nid;
2320		break;
2321	}
2322
2323	/*
2324	 * debug prints of the parsed results
2325	 */
2326	snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2327		   cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
2328		   cfg->line_out_pins[2], cfg->line_out_pins[3],
2329		   cfg->line_out_pins[4]);
2330	snd_printd("   speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2331		   cfg->speaker_outs, cfg->speaker_pins[0],
2332		   cfg->speaker_pins[1], cfg->speaker_pins[2],
2333		   cfg->speaker_pins[3], cfg->speaker_pins[4]);
2334	snd_printd("   hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
2335		   cfg->hp_outs, cfg->hp_pins[0],
2336		   cfg->hp_pins[1], cfg->hp_pins[2],
2337		   cfg->hp_pins[3], cfg->hp_pins[4]);
2338	snd_printd("   inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
2339		   " cd=0x%x, aux=0x%x\n",
2340		   cfg->input_pins[AUTO_PIN_MIC],
2341		   cfg->input_pins[AUTO_PIN_FRONT_MIC],
2342		   cfg->input_pins[AUTO_PIN_LINE],
2343		   cfg->input_pins[AUTO_PIN_FRONT_LINE],
2344		   cfg->input_pins[AUTO_PIN_CD],
2345		   cfg->input_pins[AUTO_PIN_AUX]);
2346
2347	return 0;
2348}
2349
2350/* labels for input pins */
2351const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
2352	"Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
2353};
2354
2355
2356#ifdef CONFIG_PM
2357/*
2358 * power management
2359 */
2360
2361/**
2362 * snd_hda_suspend - suspend the codecs
2363 * @bus: the HDA bus
2364 * @state: suspsend state
2365 *
2366 * Returns 0 if successful.
2367 */
2368int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
2369{
2370	struct hda_codec *codec;
2371
2372	list_for_each_entry(codec, &bus->codec_list, list) {
2373		if (codec->patch_ops.suspend)
2374			codec->patch_ops.suspend(codec, state);
2375		hda_set_power_state(codec,
2376				    codec->afg ? codec->afg : codec->mfg,
2377				    AC_PWRST_D3);
2378	}
2379	return 0;
2380}
2381
2382/**
2383 * snd_hda_resume - resume the codecs
2384 * @bus: the HDA bus
2385 * @state: resume state
2386 *
2387 * Returns 0 if successful.
2388 */
2389int snd_hda_resume(struct hda_bus *bus)
2390{
2391	struct hda_codec *codec;
2392
2393	list_for_each_entry(codec, &bus->codec_list, list) {
2394		hda_set_power_state(codec,
2395				    codec->afg ? codec->afg : codec->mfg,
2396				    AC_PWRST_D0);
2397		if (codec->patch_ops.resume)
2398			codec->patch_ops.resume(codec);
2399	}
2400	return 0;
2401}
2402
2403/**
2404 * snd_hda_resume_ctls - resume controls in the new control list
2405 * @codec: the HDA codec
2406 * @knew: the array of struct snd_kcontrol_new
2407 *
2408 * This function resumes the mixer controls in the struct snd_kcontrol_new array,
2409 * originally for snd_hda_add_new_ctls().
2410 * The array must be terminated with an empty entry as terminator.
2411 */
2412int snd_hda_resume_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
2413{
2414	struct snd_ctl_elem_value *val;
2415
2416	val = kmalloc(sizeof(*val), GFP_KERNEL);
2417	if (!val)
2418		return -ENOMEM;
2419	codec->in_resume = 1;
2420	for (; knew->name; knew++) {
2421		int i, count;
2422		count = knew->count ? knew->count : 1;
2423		for (i = 0; i < count; i++) {
2424			memset(val, 0, sizeof(*val));
2425			val->id.iface = knew->iface;
2426			val->id.device = knew->device;
2427			val->id.subdevice = knew->subdevice;
2428			strcpy(val->id.name, knew->name);
2429			val->id.index = knew->index ? knew->index : i;
2430			/* Assume that get callback reads only from cache,
2431			 * not accessing to the real hardware
2432			 */
2433			if (snd_ctl_elem_read(codec->bus->card, val) < 0)
2434				continue;
2435			snd_ctl_elem_write(codec->bus->card, NULL, val);
2436		}
2437	}
2438	codec->in_resume = 0;
2439	kfree(val);
2440	return 0;
2441}
2442
2443/**
2444 * snd_hda_resume_spdif_out - resume the digital out
2445 * @codec: the HDA codec
2446 */
2447int snd_hda_resume_spdif_out(struct hda_codec *codec)
2448{
2449	return snd_hda_resume_ctls(codec, dig_mixes);
2450}
2451
2452/**
2453 * snd_hda_resume_spdif_in - resume the digital in
2454 * @codec: the HDA codec
2455 */
2456int snd_hda_resume_spdif_in(struct hda_codec *codec)
2457{
2458	return snd_hda_resume_ctls(codec, dig_in_ctls);
2459}
2460#endif
2461