| /* | 
 |  * Universal Interface for Intel High Definition Audio Codec | 
 |  * | 
 |  * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de> | 
 |  * | 
 |  * | 
 |  *  This driver is free software; you can redistribute it and/or modify | 
 |  *  it under the terms of the GNU General Public License as published by | 
 |  *  the Free Software Foundation; either version 2 of the License, or | 
 |  *  (at your option) any later version. | 
 |  * | 
 |  *  This driver is distributed in the hope that it will be useful, | 
 |  *  but WITHOUT ANY WARRANTY; without even the implied warranty of | 
 |  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
 |  *  GNU General Public License for more details. | 
 |  * | 
 |  *  You should have received a copy of the GNU General Public License | 
 |  *  along with this program; if not, write to the Free Software | 
 |  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA | 
 |  */ | 
 |  | 
 | #include <linux/init.h> | 
 | #include <linux/delay.h> | 
 | #include <linux/slab.h> | 
 | #include <linux/pci.h> | 
 | #include <linux/mutex.h> | 
 | #include <sound/core.h> | 
 | #include "hda_codec.h" | 
 | #include <sound/asoundef.h> | 
 | #include <sound/tlv.h> | 
 | #include <sound/initval.h> | 
 | #include "hda_local.h" | 
 | #include <sound/hda_hwdep.h> | 
 | #include "hda_patch.h"	/* codec presets */ | 
 |  | 
 | #ifdef CONFIG_SND_HDA_POWER_SAVE | 
 | /* define this option here to hide as static */ | 
 | static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT; | 
 | module_param(power_save, int, 0644); | 
 | MODULE_PARM_DESC(power_save, "Automatic power-saving timeout " | 
 | 		 "(in second, 0 = disable)."); | 
 | #endif | 
 |  | 
 | /* | 
 |  * vendor / preset table | 
 |  */ | 
 |  | 
 | struct hda_vendor_id { | 
 | 	unsigned int id; | 
 | 	const char *name; | 
 | }; | 
 |  | 
 | /* codec vendor labels */ | 
 | static struct hda_vendor_id hda_vendor_ids[] = { | 
 | 	{ 0x1002, "ATI" }, | 
 | 	{ 0x1057, "Motorola" }, | 
 | 	{ 0x1095, "Silicon Image" }, | 
 | 	{ 0x10ec, "Realtek" }, | 
 | 	{ 0x1106, "VIA" }, | 
 | 	{ 0x111d, "IDT" }, | 
 | 	{ 0x11c1, "LSI" }, | 
 | 	{ 0x11d4, "Analog Devices" }, | 
 | 	{ 0x13f6, "C-Media" }, | 
 | 	{ 0x14f1, "Conexant" }, | 
 | 	{ 0x17e8, "Chrontel" }, | 
 | 	{ 0x1854, "LG" }, | 
 | 	{ 0x434d, "C-Media" }, | 
 | 	{ 0x8384, "SigmaTel" }, | 
 | 	{} /* terminator */ | 
 | }; | 
 |  | 
 | static const struct hda_codec_preset *hda_preset_tables[] = { | 
 | #ifdef CONFIG_SND_HDA_CODEC_REALTEK | 
 | 	snd_hda_preset_realtek, | 
 | #endif | 
 | #ifdef CONFIG_SND_HDA_CODEC_CMEDIA | 
 | 	snd_hda_preset_cmedia, | 
 | #endif | 
 | #ifdef CONFIG_SND_HDA_CODEC_ANALOG | 
 | 	snd_hda_preset_analog, | 
 | #endif | 
 | #ifdef CONFIG_SND_HDA_CODEC_SIGMATEL | 
 | 	snd_hda_preset_sigmatel, | 
 | #endif | 
 | #ifdef CONFIG_SND_HDA_CODEC_SI3054 | 
 | 	snd_hda_preset_si3054, | 
 | #endif | 
 | #ifdef CONFIG_SND_HDA_CODEC_ATIHDMI | 
 | 	snd_hda_preset_atihdmi, | 
 | #endif | 
 | #ifdef CONFIG_SND_HDA_CODEC_CONEXANT | 
 | 	snd_hda_preset_conexant, | 
 | #endif | 
 | #ifdef CONFIG_SND_HDA_CODEC_VIA | 
 | 	snd_hda_preset_via, | 
 | #endif | 
 | 	NULL | 
 | }; | 
 |  | 
 | #ifdef CONFIG_SND_HDA_POWER_SAVE | 
 | static void hda_power_work(struct work_struct *work); | 
 | static void hda_keep_power_on(struct hda_codec *codec); | 
 | #else | 
 | static inline void hda_keep_power_on(struct hda_codec *codec) {} | 
 | #endif | 
 |  | 
 | /** | 
 |  * snd_hda_codec_read - send a command and get the response | 
 |  * @codec: the HDA codec | 
 |  * @nid: NID to send the command | 
 |  * @direct: direct flag | 
 |  * @verb: the verb to send | 
 |  * @parm: the parameter for the verb | 
 |  * | 
 |  * Send a single command and read the corresponding response. | 
 |  * | 
 |  * Returns the obtained response value, or -1 for an error. | 
 |  */ | 
 | unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, | 
 | 				int direct, | 
 | 				unsigned int verb, unsigned int parm) | 
 | { | 
 | 	unsigned int res; | 
 | 	snd_hda_power_up(codec); | 
 | 	mutex_lock(&codec->bus->cmd_mutex); | 
 | 	if (!codec->bus->ops.command(codec, nid, direct, verb, parm)) | 
 | 		res = codec->bus->ops.get_response(codec); | 
 | 	else | 
 | 		res = (unsigned int)-1; | 
 | 	mutex_unlock(&codec->bus->cmd_mutex); | 
 | 	snd_hda_power_down(codec); | 
 | 	return res; | 
 | } | 
 |  | 
 | /** | 
 |  * snd_hda_codec_write - send a single command without waiting for response | 
 |  * @codec: the HDA codec | 
 |  * @nid: NID to send the command | 
 |  * @direct: direct flag | 
 |  * @verb: the verb to send | 
 |  * @parm: the parameter for the verb | 
 |  * | 
 |  * Send a single command without waiting for response. | 
 |  * | 
 |  * Returns 0 if successful, or a negative error code. | 
 |  */ | 
 | int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct, | 
 | 			 unsigned int verb, unsigned int parm) | 
 | { | 
 | 	int err; | 
 | 	snd_hda_power_up(codec); | 
 | 	mutex_lock(&codec->bus->cmd_mutex); | 
 | 	err = codec->bus->ops.command(codec, nid, direct, verb, parm); | 
 | 	mutex_unlock(&codec->bus->cmd_mutex); | 
 | 	snd_hda_power_down(codec); | 
 | 	return err; | 
 | } | 
 |  | 
 | /** | 
 |  * snd_hda_sequence_write - sequence writes | 
 |  * @codec: the HDA codec | 
 |  * @seq: VERB array to send | 
 |  * | 
 |  * Send the commands sequentially from the given array. | 
 |  * The array must be terminated with NID=0. | 
 |  */ | 
 | void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq) | 
 | { | 
 | 	for (; seq->nid; seq++) | 
 | 		snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param); | 
 | } | 
 |  | 
 | /** | 
 |  * snd_hda_get_sub_nodes - get the range of sub nodes | 
 |  * @codec: the HDA codec | 
 |  * @nid: NID to parse | 
 |  * @start_id: the pointer to store the start NID | 
 |  * | 
 |  * Parse the NID and store the start NID of its sub-nodes. | 
 |  * Returns the number of sub-nodes. | 
 |  */ | 
 | int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid, | 
 | 			  hda_nid_t *start_id) | 
 | { | 
 | 	unsigned int parm; | 
 |  | 
 | 	parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT); | 
 | 	if (parm == -1) | 
 | 		return 0; | 
 | 	*start_id = (parm >> 16) & 0x7fff; | 
 | 	return (int)(parm & 0x7fff); | 
 | } | 
 |  | 
 | /** | 
 |  * snd_hda_get_connections - get connection list | 
 |  * @codec: the HDA codec | 
 |  * @nid: NID to parse | 
 |  * @conn_list: connection list array | 
 |  * @max_conns: max. number of connections to store | 
 |  * | 
 |  * Parses the connection list of the given widget and stores the list | 
 |  * of NIDs. | 
 |  * | 
 |  * Returns the number of connections, or a negative error code. | 
 |  */ | 
 | int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid, | 
 | 			    hda_nid_t *conn_list, int max_conns) | 
 | { | 
 | 	unsigned int parm; | 
 | 	int i, conn_len, conns; | 
 | 	unsigned int shift, num_elems, mask; | 
 | 	hda_nid_t prev_nid; | 
 |  | 
 | 	snd_assert(conn_list && max_conns > 0, return -EINVAL); | 
 |  | 
 | 	parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN); | 
 | 	if (parm & AC_CLIST_LONG) { | 
 | 		/* long form */ | 
 | 		shift = 16; | 
 | 		num_elems = 2; | 
 | 	} else { | 
 | 		/* short form */ | 
 | 		shift = 8; | 
 | 		num_elems = 4; | 
 | 	} | 
 | 	conn_len = parm & AC_CLIST_LENGTH; | 
 | 	mask = (1 << (shift-1)) - 1; | 
 |  | 
 | 	if (!conn_len) | 
 | 		return 0; /* no connection */ | 
 |  | 
 | 	if (conn_len == 1) { | 
 | 		/* single connection */ | 
 | 		parm = snd_hda_codec_read(codec, nid, 0, | 
 | 					  AC_VERB_GET_CONNECT_LIST, 0); | 
 | 		conn_list[0] = parm & mask; | 
 | 		return 1; | 
 | 	} | 
 |  | 
 | 	/* multi connection */ | 
 | 	conns = 0; | 
 | 	prev_nid = 0; | 
 | 	for (i = 0; i < conn_len; i++) { | 
 | 		int range_val; | 
 | 		hda_nid_t val, n; | 
 |  | 
 | 		if (i % num_elems == 0) | 
 | 			parm = snd_hda_codec_read(codec, nid, 0, | 
 | 						  AC_VERB_GET_CONNECT_LIST, i); | 
 | 		range_val = !!(parm & (1 << (shift-1))); /* ranges */ | 
 | 		val = parm & mask; | 
 | 		parm >>= shift; | 
 | 		if (range_val) { | 
 | 			/* ranges between the previous and this one */ | 
 | 			if (!prev_nid || prev_nid >= val) { | 
 | 				snd_printk(KERN_WARNING "hda_codec: " | 
 | 					   "invalid dep_range_val %x:%x\n", | 
 | 					   prev_nid, val); | 
 | 				continue; | 
 | 			} | 
 | 			for (n = prev_nid + 1; n <= val; n++) { | 
 | 				if (conns >= max_conns) { | 
 | 					snd_printk(KERN_ERR | 
 | 						   "Too many connections\n"); | 
 | 					return -EINVAL; | 
 | 				} | 
 | 				conn_list[conns++] = n; | 
 | 			} | 
 | 		} else { | 
 | 			if (conns >= max_conns) { | 
 | 				snd_printk(KERN_ERR "Too many connections\n"); | 
 | 				return -EINVAL; | 
 | 			} | 
 | 			conn_list[conns++] = val; | 
 | 		} | 
 | 		prev_nid = val; | 
 | 	} | 
 | 	return conns; | 
 | } | 
 |  | 
 |  | 
 | /** | 
 |  * snd_hda_queue_unsol_event - add an unsolicited event to queue | 
 |  * @bus: the BUS | 
 |  * @res: unsolicited event (lower 32bit of RIRB entry) | 
 |  * @res_ex: codec addr and flags (upper 32bit or RIRB entry) | 
 |  * | 
 |  * Adds the given event to the queue.  The events are processed in | 
 |  * the workqueue asynchronously.  Call this function in the interrupt | 
 |  * hanlder when RIRB receives an unsolicited event. | 
 |  * | 
 |  * Returns 0 if successful, or a negative error code. | 
 |  */ | 
 | int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex) | 
 | { | 
 | 	struct hda_bus_unsolicited *unsol; | 
 | 	unsigned int wp; | 
 |  | 
 | 	unsol = bus->unsol; | 
 | 	if (!unsol) | 
 | 		return 0; | 
 |  | 
 | 	wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE; | 
 | 	unsol->wp = wp; | 
 |  | 
 | 	wp <<= 1; | 
 | 	unsol->queue[wp] = res; | 
 | 	unsol->queue[wp + 1] = res_ex; | 
 |  | 
 | 	schedule_work(&unsol->work); | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* | 
 |  * process queueud unsolicited events | 
 |  */ | 
 | static void process_unsol_events(struct work_struct *work) | 
 | { | 
 | 	struct hda_bus_unsolicited *unsol = | 
 | 		container_of(work, struct hda_bus_unsolicited, work); | 
 | 	struct hda_bus *bus = unsol->bus; | 
 | 	struct hda_codec *codec; | 
 | 	unsigned int rp, caddr, res; | 
 |  | 
 | 	while (unsol->rp != unsol->wp) { | 
 | 		rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE; | 
 | 		unsol->rp = rp; | 
 | 		rp <<= 1; | 
 | 		res = unsol->queue[rp]; | 
 | 		caddr = unsol->queue[rp + 1]; | 
 | 		if (!(caddr & (1 << 4))) /* no unsolicited event? */ | 
 | 			continue; | 
 | 		codec = bus->caddr_tbl[caddr & 0x0f]; | 
 | 		if (codec && codec->patch_ops.unsol_event) | 
 | 			codec->patch_ops.unsol_event(codec, res); | 
 | 	} | 
 | } | 
 |  | 
 | /* | 
 |  * initialize unsolicited queue | 
 |  */ | 
 | static int __devinit init_unsol_queue(struct hda_bus *bus) | 
 | { | 
 | 	struct hda_bus_unsolicited *unsol; | 
 |  | 
 | 	if (bus->unsol) /* already initialized */ | 
 | 		return 0; | 
 |  | 
 | 	unsol = kzalloc(sizeof(*unsol), GFP_KERNEL); | 
 | 	if (!unsol) { | 
 | 		snd_printk(KERN_ERR "hda_codec: " | 
 | 			   "can't allocate unsolicited queue\n"); | 
 | 		return -ENOMEM; | 
 | 	} | 
 | 	INIT_WORK(&unsol->work, process_unsol_events); | 
 | 	unsol->bus = bus; | 
 | 	bus->unsol = unsol; | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* | 
 |  * destructor | 
 |  */ | 
 | static void snd_hda_codec_free(struct hda_codec *codec); | 
 |  | 
 | static int snd_hda_bus_free(struct hda_bus *bus) | 
 | { | 
 | 	struct hda_codec *codec, *n; | 
 |  | 
 | 	if (!bus) | 
 | 		return 0; | 
 | 	if (bus->unsol) { | 
 | 		flush_scheduled_work(); | 
 | 		kfree(bus->unsol); | 
 | 	} | 
 | 	list_for_each_entry_safe(codec, n, &bus->codec_list, list) { | 
 | 		snd_hda_codec_free(codec); | 
 | 	} | 
 | 	if (bus->ops.private_free) | 
 | 		bus->ops.private_free(bus); | 
 | 	kfree(bus); | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int snd_hda_bus_dev_free(struct snd_device *device) | 
 | { | 
 | 	struct hda_bus *bus = device->device_data; | 
 | 	return snd_hda_bus_free(bus); | 
 | } | 
 |  | 
 | /** | 
 |  * snd_hda_bus_new - create a HDA bus | 
 |  * @card: the card entry | 
 |  * @temp: the template for hda_bus information | 
 |  * @busp: the pointer to store the created bus instance | 
 |  * | 
 |  * Returns 0 if successful, or a negative error code. | 
 |  */ | 
 | int __devinit snd_hda_bus_new(struct snd_card *card, | 
 | 			      const struct hda_bus_template *temp, | 
 | 			      struct hda_bus **busp) | 
 | { | 
 | 	struct hda_bus *bus; | 
 | 	int err; | 
 | 	static struct snd_device_ops dev_ops = { | 
 | 		.dev_free = snd_hda_bus_dev_free, | 
 | 	}; | 
 |  | 
 | 	snd_assert(temp, return -EINVAL); | 
 | 	snd_assert(temp->ops.command && temp->ops.get_response, return -EINVAL); | 
 |  | 
 | 	if (busp) | 
 | 		*busp = NULL; | 
 |  | 
 | 	bus = kzalloc(sizeof(*bus), GFP_KERNEL); | 
 | 	if (bus == NULL) { | 
 | 		snd_printk(KERN_ERR "can't allocate struct hda_bus\n"); | 
 | 		return -ENOMEM; | 
 | 	} | 
 |  | 
 | 	bus->card = card; | 
 | 	bus->private_data = temp->private_data; | 
 | 	bus->pci = temp->pci; | 
 | 	bus->modelname = temp->modelname; | 
 | 	bus->ops = temp->ops; | 
 |  | 
 | 	mutex_init(&bus->cmd_mutex); | 
 | 	INIT_LIST_HEAD(&bus->codec_list); | 
 |  | 
 | 	err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops); | 
 | 	if (err < 0) { | 
 | 		snd_hda_bus_free(bus); | 
 | 		return err; | 
 | 	} | 
 | 	if (busp) | 
 | 		*busp = bus; | 
 | 	return 0; | 
 | } | 
 |  | 
 | #ifdef CONFIG_SND_HDA_GENERIC | 
 | #define is_generic_config(codec) \ | 
 | 	(codec->bus->modelname && !strcmp(codec->bus->modelname, "generic")) | 
 | #else | 
 | #define is_generic_config(codec)	0 | 
 | #endif | 
 |  | 
 | /* | 
 |  * find a matching codec preset | 
 |  */ | 
 | static const struct hda_codec_preset __devinit * | 
 | find_codec_preset(struct hda_codec *codec) | 
 | { | 
 | 	const struct hda_codec_preset **tbl, *preset; | 
 |  | 
 | 	if (is_generic_config(codec)) | 
 | 		return NULL; /* use the generic parser */ | 
 |  | 
 | 	for (tbl = hda_preset_tables; *tbl; tbl++) { | 
 | 		for (preset = *tbl; preset->id; preset++) { | 
 | 			u32 mask = preset->mask; | 
 | 			if (preset->afg && preset->afg != codec->afg) | 
 | 				continue; | 
 | 			if (preset->mfg && preset->mfg != codec->mfg) | 
 | 				continue; | 
 | 			if (!mask) | 
 | 				mask = ~0; | 
 | 			if (preset->id == (codec->vendor_id & mask) && | 
 | 			    (!preset->rev || | 
 | 			     preset->rev == codec->revision_id)) | 
 | 				return preset; | 
 | 		} | 
 | 	} | 
 | 	return NULL; | 
 | } | 
 |  | 
 | /* | 
 |  * snd_hda_get_codec_name - store the codec name | 
 |  */ | 
 | void snd_hda_get_codec_name(struct hda_codec *codec, | 
 | 			    char *name, int namelen) | 
 | { | 
 | 	const struct hda_vendor_id *c; | 
 | 	const char *vendor = NULL; | 
 | 	u16 vendor_id = codec->vendor_id >> 16; | 
 | 	char tmp[16]; | 
 |  | 
 | 	for (c = hda_vendor_ids; c->id; c++) { | 
 | 		if (c->id == vendor_id) { | 
 | 			vendor = c->name; | 
 | 			break; | 
 | 		} | 
 | 	} | 
 | 	if (!vendor) { | 
 | 		sprintf(tmp, "Generic %04x", vendor_id); | 
 | 		vendor = tmp; | 
 | 	} | 
 | 	if (codec->preset && codec->preset->name) | 
 | 		snprintf(name, namelen, "%s %s", vendor, codec->preset->name); | 
 | 	else | 
 | 		snprintf(name, namelen, "%s ID %x", vendor, | 
 | 			 codec->vendor_id & 0xffff); | 
 | } | 
 |  | 
 | /* | 
 |  * look for an AFG and MFG nodes | 
 |  */ | 
 | static void __devinit setup_fg_nodes(struct hda_codec *codec) | 
 | { | 
 | 	int i, total_nodes; | 
 | 	hda_nid_t nid; | 
 |  | 
 | 	total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid); | 
 | 	for (i = 0; i < total_nodes; i++, nid++) { | 
 | 		unsigned int func; | 
 | 		func = snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE); | 
 | 		switch (func & 0xff) { | 
 | 		case AC_GRP_AUDIO_FUNCTION: | 
 | 			codec->afg = nid; | 
 | 			break; | 
 | 		case AC_GRP_MODEM_FUNCTION: | 
 | 			codec->mfg = nid; | 
 | 			break; | 
 | 		default: | 
 | 			break; | 
 | 		} | 
 | 	} | 
 | } | 
 |  | 
 | /* | 
 |  * read widget caps for each widget and store in cache | 
 |  */ | 
 | static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node) | 
 | { | 
 | 	int i; | 
 | 	hda_nid_t nid; | 
 |  | 
 | 	codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node, | 
 | 						 &codec->start_nid); | 
 | 	codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL); | 
 | 	if (!codec->wcaps) | 
 | 		return -ENOMEM; | 
 | 	nid = codec->start_nid; | 
 | 	for (i = 0; i < codec->num_nodes; i++, nid++) | 
 | 		codec->wcaps[i] = snd_hda_param_read(codec, nid, | 
 | 						     AC_PAR_AUDIO_WIDGET_CAP); | 
 | 	return 0; | 
 | } | 
 |  | 
 |  | 
 | static void init_hda_cache(struct hda_cache_rec *cache, | 
 | 			   unsigned int record_size); | 
 | static void free_hda_cache(struct hda_cache_rec *cache); | 
 |  | 
 | /* | 
 |  * codec destructor | 
 |  */ | 
 | static void snd_hda_codec_free(struct hda_codec *codec) | 
 | { | 
 | 	if (!codec) | 
 | 		return; | 
 | #ifdef CONFIG_SND_HDA_POWER_SAVE | 
 | 	cancel_delayed_work(&codec->power_work); | 
 | 	flush_scheduled_work(); | 
 | #endif | 
 | 	list_del(&codec->list); | 
 | 	codec->bus->caddr_tbl[codec->addr] = NULL; | 
 | 	if (codec->patch_ops.free) | 
 | 		codec->patch_ops.free(codec); | 
 | 	free_hda_cache(&codec->amp_cache); | 
 | 	free_hda_cache(&codec->cmd_cache); | 
 | 	kfree(codec->wcaps); | 
 | 	kfree(codec); | 
 | } | 
 |  | 
 | /** | 
 |  * snd_hda_codec_new - create a HDA codec | 
 |  * @bus: the bus to assign | 
 |  * @codec_addr: the codec address | 
 |  * @codecp: the pointer to store the generated codec | 
 |  * | 
 |  * Returns 0 if successful, or a negative error code. | 
 |  */ | 
 | int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, | 
 | 				struct hda_codec **codecp) | 
 | { | 
 | 	struct hda_codec *codec; | 
 | 	char component[13]; | 
 | 	int err; | 
 |  | 
 | 	snd_assert(bus, return -EINVAL); | 
 | 	snd_assert(codec_addr <= HDA_MAX_CODEC_ADDRESS, return -EINVAL); | 
 |  | 
 | 	if (bus->caddr_tbl[codec_addr]) { | 
 | 		snd_printk(KERN_ERR "hda_codec: " | 
 | 			   "address 0x%x is already occupied\n", codec_addr); | 
 | 		return -EBUSY; | 
 | 	} | 
 |  | 
 | 	codec = kzalloc(sizeof(*codec), GFP_KERNEL); | 
 | 	if (codec == NULL) { | 
 | 		snd_printk(KERN_ERR "can't allocate struct hda_codec\n"); | 
 | 		return -ENOMEM; | 
 | 	} | 
 |  | 
 | 	codec->bus = bus; | 
 | 	codec->addr = codec_addr; | 
 | 	mutex_init(&codec->spdif_mutex); | 
 | 	init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info)); | 
 | 	init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head)); | 
 |  | 
 | #ifdef CONFIG_SND_HDA_POWER_SAVE | 
 | 	INIT_DELAYED_WORK(&codec->power_work, hda_power_work); | 
 | 	/* snd_hda_codec_new() marks the codec as power-up, and leave it as is. | 
 | 	 * the caller has to power down appropriatley after initialization | 
 | 	 * phase. | 
 | 	 */ | 
 | 	hda_keep_power_on(codec); | 
 | #endif | 
 |  | 
 | 	list_add_tail(&codec->list, &bus->codec_list); | 
 | 	bus->caddr_tbl[codec_addr] = codec; | 
 |  | 
 | 	codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT, | 
 | 					      AC_PAR_VENDOR_ID); | 
 | 	if (codec->vendor_id == -1) | 
 | 		/* read again, hopefully the access method was corrected | 
 | 		 * in the last read... | 
 | 		 */ | 
 | 		codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT, | 
 | 						      AC_PAR_VENDOR_ID); | 
 | 	codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT, | 
 | 						 AC_PAR_SUBSYSTEM_ID); | 
 | 	codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT, | 
 | 						AC_PAR_REV_ID); | 
 |  | 
 | 	setup_fg_nodes(codec); | 
 | 	if (!codec->afg && !codec->mfg) { | 
 | 		snd_printdd("hda_codec: no AFG or MFG node found\n"); | 
 | 		snd_hda_codec_free(codec); | 
 | 		return -ENODEV; | 
 | 	} | 
 |  | 
 | 	if (read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg) < 0) { | 
 | 		snd_printk(KERN_ERR "hda_codec: cannot malloc\n"); | 
 | 		snd_hda_codec_free(codec); | 
 | 		return -ENOMEM; | 
 | 	} | 
 |  | 
 | 	if (!codec->subsystem_id) { | 
 | 		hda_nid_t nid = codec->afg ? codec->afg : codec->mfg; | 
 | 		codec->subsystem_id = | 
 | 			snd_hda_codec_read(codec, nid, 0, | 
 | 					   AC_VERB_GET_SUBSYSTEM_ID, 0); | 
 | 	} | 
 |  | 
 | 	codec->preset = find_codec_preset(codec); | 
 | 	/* audio codec should override the mixer name */ | 
 | 	if (codec->afg || !*bus->card->mixername) | 
 | 		snd_hda_get_codec_name(codec, bus->card->mixername, | 
 | 				       sizeof(bus->card->mixername)); | 
 |  | 
 | 	if (is_generic_config(codec)) { | 
 | 		err = snd_hda_parse_generic_codec(codec); | 
 | 		goto patched; | 
 | 	} | 
 | 	if (codec->preset && codec->preset->patch) { | 
 | 		err = codec->preset->patch(codec); | 
 | 		goto patched; | 
 | 	} | 
 |  | 
 | 	/* call the default parser */ | 
 | 	err = snd_hda_parse_generic_codec(codec); | 
 | 	if (err < 0) | 
 | 		printk(KERN_ERR "hda-codec: No codec parser is available\n"); | 
 |  | 
 |  patched: | 
 | 	if (err < 0) { | 
 | 		snd_hda_codec_free(codec); | 
 | 		return err; | 
 | 	} | 
 |  | 
 | 	if (codec->patch_ops.unsol_event) | 
 | 		init_unsol_queue(bus); | 
 |  | 
 | 	snd_hda_codec_proc_new(codec); | 
 | #ifdef CONFIG_SND_HDA_HWDEP | 
 | 	snd_hda_create_hwdep(codec); | 
 | #endif | 
 |  | 
 | 	sprintf(component, "HDA:%08x", codec->vendor_id); | 
 | 	snd_component_add(codec->bus->card, component); | 
 |  | 
 | 	if (codecp) | 
 | 		*codecp = codec; | 
 | 	return 0; | 
 | } | 
 |  | 
 | /** | 
 |  * snd_hda_codec_setup_stream - set up the codec for streaming | 
 |  * @codec: the CODEC to set up | 
 |  * @nid: the NID to set up | 
 |  * @stream_tag: stream tag to pass, it's between 0x1 and 0xf. | 
 |  * @channel_id: channel id to pass, zero based. | 
 |  * @format: stream format. | 
 |  */ | 
 | void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, | 
 | 				u32 stream_tag, | 
 | 				int channel_id, int format) | 
 | { | 
 | 	if (!nid) | 
 | 		return; | 
 |  | 
 | 	snd_printdd("hda_codec_setup_stream: " | 
 | 		    "NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n", | 
 | 		    nid, stream_tag, channel_id, format); | 
 | 	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, | 
 | 			    (stream_tag << 4) | channel_id); | 
 | 	msleep(1); | 
 | 	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format); | 
 | } | 
 |  | 
 | void snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid) | 
 | { | 
 | 	if (!nid) | 
 | 		return; | 
 |  | 
 | 	snd_printdd("hda_codec_cleanup_stream: NID=0x%x\n", nid); | 
 | 	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0); | 
 | #if 0 /* keep the format */ | 
 | 	msleep(1); | 
 | 	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0); | 
 | #endif | 
 | } | 
 |  | 
 | /* | 
 |  * amp access functions | 
 |  */ | 
 |  | 
 | /* FIXME: more better hash key? */ | 
 | #define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24)) | 
 | #define INFO_AMP_CAPS	(1<<0) | 
 | #define INFO_AMP_VOL(ch)	(1 << (1 + (ch))) | 
 |  | 
 | /* initialize the hash table */ | 
 | static void __devinit init_hda_cache(struct hda_cache_rec *cache, | 
 | 				     unsigned int record_size) | 
 | { | 
 | 	memset(cache, 0, sizeof(*cache)); | 
 | 	memset(cache->hash, 0xff, sizeof(cache->hash)); | 
 | 	cache->record_size = record_size; | 
 | } | 
 |  | 
 | static void free_hda_cache(struct hda_cache_rec *cache) | 
 | { | 
 | 	kfree(cache->buffer); | 
 | } | 
 |  | 
 | /* query the hash.  allocate an entry if not found. */ | 
 | static struct hda_cache_head  *get_alloc_hash(struct hda_cache_rec *cache, | 
 | 					      u32 key) | 
 | { | 
 | 	u16 idx = key % (u16)ARRAY_SIZE(cache->hash); | 
 | 	u16 cur = cache->hash[idx]; | 
 | 	struct hda_cache_head *info; | 
 |  | 
 | 	while (cur != 0xffff) { | 
 | 		info = (struct hda_cache_head *)(cache->buffer + | 
 | 						 cur * cache->record_size); | 
 | 		if (info->key == key) | 
 | 			return info; | 
 | 		cur = info->next; | 
 | 	} | 
 |  | 
 | 	/* add a new hash entry */ | 
 | 	if (cache->num_entries >= cache->size) { | 
 | 		/* reallocate the array */ | 
 | 		unsigned int new_size = cache->size + 64; | 
 | 		void *new_buffer; | 
 | 		new_buffer = kcalloc(new_size, cache->record_size, GFP_KERNEL); | 
 | 		if (!new_buffer) { | 
 | 			snd_printk(KERN_ERR "hda_codec: " | 
 | 				   "can't malloc amp_info\n"); | 
 | 			return NULL; | 
 | 		} | 
 | 		if (cache->buffer) { | 
 | 			memcpy(new_buffer, cache->buffer, | 
 | 			       cache->size * cache->record_size); | 
 | 			kfree(cache->buffer); | 
 | 		} | 
 | 		cache->size = new_size; | 
 | 		cache->buffer = new_buffer; | 
 | 	} | 
 | 	cur = cache->num_entries++; | 
 | 	info = (struct hda_cache_head *)(cache->buffer + | 
 | 					 cur * cache->record_size); | 
 | 	info->key = key; | 
 | 	info->val = 0; | 
 | 	info->next = cache->hash[idx]; | 
 | 	cache->hash[idx] = cur; | 
 |  | 
 | 	return info; | 
 | } | 
 |  | 
 | /* query and allocate an amp hash entry */ | 
 | static inline struct hda_amp_info * | 
 | get_alloc_amp_hash(struct hda_codec *codec, u32 key) | 
 | { | 
 | 	return (struct hda_amp_info *)get_alloc_hash(&codec->amp_cache, key); | 
 | } | 
 |  | 
 | /* | 
 |  * query AMP capabilities for the given widget and direction | 
 |  */ | 
 | u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction) | 
 | { | 
 | 	struct hda_amp_info *info; | 
 |  | 
 | 	info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0)); | 
 | 	if (!info) | 
 | 		return 0; | 
 | 	if (!(info->head.val & INFO_AMP_CAPS)) { | 
 | 		if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD)) | 
 | 			nid = codec->afg; | 
 | 		info->amp_caps = snd_hda_param_read(codec, nid, | 
 | 						    direction == HDA_OUTPUT ? | 
 | 						    AC_PAR_AMP_OUT_CAP : | 
 | 						    AC_PAR_AMP_IN_CAP); | 
 | 		if (info->amp_caps) | 
 | 			info->head.val |= INFO_AMP_CAPS; | 
 | 	} | 
 | 	return info->amp_caps; | 
 | } | 
 |  | 
 | int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir, | 
 | 			      unsigned int caps) | 
 | { | 
 | 	struct hda_amp_info *info; | 
 |  | 
 | 	info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, dir, 0)); | 
 | 	if (!info) | 
 | 		return -EINVAL; | 
 | 	info->amp_caps = caps; | 
 | 	info->head.val |= INFO_AMP_CAPS; | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* | 
 |  * read the current volume to info | 
 |  * if the cache exists, read the cache value. | 
 |  */ | 
 | static unsigned int get_vol_mute(struct hda_codec *codec, | 
 | 				 struct hda_amp_info *info, hda_nid_t nid, | 
 | 				 int ch, int direction, int index) | 
 | { | 
 | 	u32 val, parm; | 
 |  | 
 | 	if (info->head.val & INFO_AMP_VOL(ch)) | 
 | 		return info->vol[ch]; | 
 |  | 
 | 	parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT; | 
 | 	parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT; | 
 | 	parm |= index; | 
 | 	val = snd_hda_codec_read(codec, nid, 0, | 
 | 				 AC_VERB_GET_AMP_GAIN_MUTE, parm); | 
 | 	info->vol[ch] = val & 0xff; | 
 | 	info->head.val |= INFO_AMP_VOL(ch); | 
 | 	return info->vol[ch]; | 
 | } | 
 |  | 
 | /* | 
 |  * write the current volume in info to the h/w and update the cache | 
 |  */ | 
 | static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info, | 
 | 			 hda_nid_t nid, int ch, int direction, int index, | 
 | 			 int val) | 
 | { | 
 | 	u32 parm; | 
 |  | 
 | 	parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT; | 
 | 	parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT; | 
 | 	parm |= index << AC_AMP_SET_INDEX_SHIFT; | 
 | 	parm |= val; | 
 | 	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm); | 
 | 	info->vol[ch] = val; | 
 | } | 
 |  | 
 | /* | 
 |  * read AMP value.  The volume is between 0 to 0x7f, 0x80 = mute bit. | 
 |  */ | 
 | int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch, | 
 | 			   int direction, int index) | 
 | { | 
 | 	struct hda_amp_info *info; | 
 | 	info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index)); | 
 | 	if (!info) | 
 | 		return 0; | 
 | 	return get_vol_mute(codec, info, nid, ch, direction, index); | 
 | } | 
 |  | 
 | /* | 
 |  * update the AMP value, mask = bit mask to set, val = the value | 
 |  */ | 
 | int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch, | 
 | 			     int direction, int idx, int mask, int val) | 
 | { | 
 | 	struct hda_amp_info *info; | 
 |  | 
 | 	info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx)); | 
 | 	if (!info) | 
 | 		return 0; | 
 | 	val &= mask; | 
 | 	val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask; | 
 | 	if (info->vol[ch] == val) | 
 | 		return 0; | 
 | 	put_vol_mute(codec, info, nid, ch, direction, idx, val); | 
 | 	return 1; | 
 | } | 
 |  | 
 | /* | 
 |  * update the AMP stereo with the same mask and value | 
 |  */ | 
 | int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid, | 
 | 			     int direction, int idx, int mask, int val) | 
 | { | 
 | 	int ch, ret = 0; | 
 | 	for (ch = 0; ch < 2; ch++) | 
 | 		ret |= snd_hda_codec_amp_update(codec, nid, ch, direction, | 
 | 						idx, mask, val); | 
 | 	return ret; | 
 | } | 
 |  | 
 | #ifdef SND_HDA_NEEDS_RESUME | 
 | /* resume the all amp commands from the cache */ | 
 | void snd_hda_codec_resume_amp(struct hda_codec *codec) | 
 | { | 
 | 	struct hda_amp_info *buffer = codec->amp_cache.buffer; | 
 | 	int i; | 
 |  | 
 | 	for (i = 0; i < codec->amp_cache.size; i++, buffer++) { | 
 | 		u32 key = buffer->head.key; | 
 | 		hda_nid_t nid; | 
 | 		unsigned int idx, dir, ch; | 
 | 		if (!key) | 
 | 			continue; | 
 | 		nid = key & 0xff; | 
 | 		idx = (key >> 16) & 0xff; | 
 | 		dir = (key >> 24) & 0xff; | 
 | 		for (ch = 0; ch < 2; ch++) { | 
 | 			if (!(buffer->head.val & INFO_AMP_VOL(ch))) | 
 | 				continue; | 
 | 			put_vol_mute(codec, buffer, nid, ch, dir, idx, | 
 | 				     buffer->vol[ch]); | 
 | 		} | 
 | 	} | 
 | } | 
 | #endif /* SND_HDA_NEEDS_RESUME */ | 
 |  | 
 | /* | 
 |  * AMP control callbacks | 
 |  */ | 
 | /* retrieve parameters from private_value */ | 
 | #define get_amp_nid(kc)		((kc)->private_value & 0xffff) | 
 | #define get_amp_channels(kc)	(((kc)->private_value >> 16) & 0x3) | 
 | #define get_amp_direction(kc)	(((kc)->private_value >> 18) & 0x1) | 
 | #define get_amp_index(kc)	(((kc)->private_value >> 19) & 0xf) | 
 |  | 
 | /* volume */ | 
 | int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol, | 
 | 				  struct snd_ctl_elem_info *uinfo) | 
 | { | 
 | 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | 
 | 	u16 nid = get_amp_nid(kcontrol); | 
 | 	u8 chs = get_amp_channels(kcontrol); | 
 | 	int dir = get_amp_direction(kcontrol); | 
 | 	u32 caps; | 
 |  | 
 | 	caps = query_amp_caps(codec, nid, dir); | 
 | 	/* num steps */ | 
 | 	caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; | 
 | 	if (!caps) { | 
 | 		printk(KERN_WARNING "hda_codec: " | 
 | 		       "num_steps = 0 for NID=0x%x (ctl = %s)\n", nid, | 
 | 		       kcontrol->id.name); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | 
 | 	uinfo->count = chs == 3 ? 2 : 1; | 
 | 	uinfo->value.integer.min = 0; | 
 | 	uinfo->value.integer.max = caps; | 
 | 	return 0; | 
 | } | 
 |  | 
 | int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol, | 
 | 				 struct snd_ctl_elem_value *ucontrol) | 
 | { | 
 | 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | 
 | 	hda_nid_t nid = get_amp_nid(kcontrol); | 
 | 	int chs = get_amp_channels(kcontrol); | 
 | 	int dir = get_amp_direction(kcontrol); | 
 | 	int idx = get_amp_index(kcontrol); | 
 | 	long *valp = ucontrol->value.integer.value; | 
 |  | 
 | 	if (chs & 1) | 
 | 		*valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx) | 
 | 			& HDA_AMP_VOLMASK; | 
 | 	if (chs & 2) | 
 | 		*valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx) | 
 | 			& HDA_AMP_VOLMASK; | 
 | 	return 0; | 
 | } | 
 |  | 
 | int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol, | 
 | 				 struct snd_ctl_elem_value *ucontrol) | 
 | { | 
 | 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | 
 | 	hda_nid_t nid = get_amp_nid(kcontrol); | 
 | 	int chs = get_amp_channels(kcontrol); | 
 | 	int dir = get_amp_direction(kcontrol); | 
 | 	int idx = get_amp_index(kcontrol); | 
 | 	long *valp = ucontrol->value.integer.value; | 
 | 	int change = 0; | 
 |  | 
 | 	snd_hda_power_up(codec); | 
 | 	if (chs & 1) { | 
 | 		change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx, | 
 | 						  0x7f, *valp); | 
 | 		valp++; | 
 | 	} | 
 | 	if (chs & 2) | 
 | 		change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx, | 
 | 						   0x7f, *valp); | 
 | 	snd_hda_power_down(codec); | 
 | 	return change; | 
 | } | 
 |  | 
 | int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag, | 
 | 			  unsigned int size, unsigned int __user *_tlv) | 
 | { | 
 | 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | 
 | 	hda_nid_t nid = get_amp_nid(kcontrol); | 
 | 	int dir = get_amp_direction(kcontrol); | 
 | 	u32 caps, val1, val2; | 
 |  | 
 | 	if (size < 4 * sizeof(unsigned int)) | 
 | 		return -ENOMEM; | 
 | 	caps = query_amp_caps(codec, nid, dir); | 
 | 	val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT; | 
 | 	val2 = (val2 + 1) * 25; | 
 | 	val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT); | 
 | 	val1 = ((int)val1) * ((int)val2); | 
 | 	if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv)) | 
 | 		return -EFAULT; | 
 | 	if (put_user(2 * sizeof(unsigned int), _tlv + 1)) | 
 | 		return -EFAULT; | 
 | 	if (put_user(val1, _tlv + 2)) | 
 | 		return -EFAULT; | 
 | 	if (put_user(val2, _tlv + 3)) | 
 | 		return -EFAULT; | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* | 
 |  * set (static) TLV for virtual master volume; recalculated as max 0dB | 
 |  */ | 
 | void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir, | 
 | 			     unsigned int *tlv) | 
 | { | 
 | 	u32 caps; | 
 | 	int nums, step; | 
 |  | 
 | 	caps = query_amp_caps(codec, nid, dir); | 
 | 	nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; | 
 | 	step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT; | 
 | 	step = (step + 1) * 25; | 
 | 	tlv[0] = SNDRV_CTL_TLVT_DB_SCALE; | 
 | 	tlv[1] = 2 * sizeof(unsigned int); | 
 | 	tlv[2] = -nums * step; | 
 | 	tlv[3] = step; | 
 | } | 
 |  | 
 | /* find a mixer control element with the given name */ | 
 | static struct snd_kcontrol * | 
 | _snd_hda_find_mixer_ctl(struct hda_codec *codec, | 
 | 			const char *name, int idx) | 
 | { | 
 | 	struct snd_ctl_elem_id id; | 
 | 	memset(&id, 0, sizeof(id)); | 
 | 	id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; | 
 | 	id.index = idx; | 
 | 	strcpy(id.name, name); | 
 | 	return snd_ctl_find_id(codec->bus->card, &id); | 
 | } | 
 |  | 
 | struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec, | 
 | 					    const char *name) | 
 | { | 
 | 	return _snd_hda_find_mixer_ctl(codec, name, 0); | 
 | } | 
 |  | 
 | /* create a virtual master control and add slaves */ | 
 | int snd_hda_add_vmaster(struct hda_codec *codec, char *name, | 
 | 			unsigned int *tlv, const char **slaves) | 
 | { | 
 | 	struct snd_kcontrol *kctl; | 
 | 	const char **s; | 
 | 	int err; | 
 |  | 
 | 	for (s = slaves; *s && !snd_hda_find_mixer_ctl(codec, *s); s++) | 
 | 		; | 
 | 	if (!*s) { | 
 | 		snd_printdd("No slave found for %s\n", name); | 
 | 		return 0; | 
 | 	} | 
 | 	kctl = snd_ctl_make_virtual_master(name, tlv); | 
 | 	if (!kctl) | 
 | 		return -ENOMEM; | 
 | 	err = snd_ctl_add(codec->bus->card, kctl); | 
 | 	if (err < 0) | 
 | 		return err; | 
 | 	 | 
 | 	for (s = slaves; *s; s++) { | 
 | 		struct snd_kcontrol *sctl; | 
 |  | 
 | 		sctl = snd_hda_find_mixer_ctl(codec, *s); | 
 | 		if (!sctl) { | 
 | 			snd_printdd("Cannot find slave %s, skipped\n", *s); | 
 | 			continue; | 
 | 		} | 
 | 		err = snd_ctl_add_slave(kctl, sctl); | 
 | 		if (err < 0) | 
 | 			return err; | 
 | 	} | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* switch */ | 
 | int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol, | 
 | 				  struct snd_ctl_elem_info *uinfo) | 
 | { | 
 | 	int chs = get_amp_channels(kcontrol); | 
 |  | 
 | 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | 
 | 	uinfo->count = chs == 3 ? 2 : 1; | 
 | 	uinfo->value.integer.min = 0; | 
 | 	uinfo->value.integer.max = 1; | 
 | 	return 0; | 
 | } | 
 |  | 
 | int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol, | 
 | 				 struct snd_ctl_elem_value *ucontrol) | 
 | { | 
 | 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | 
 | 	hda_nid_t nid = get_amp_nid(kcontrol); | 
 | 	int chs = get_amp_channels(kcontrol); | 
 | 	int dir = get_amp_direction(kcontrol); | 
 | 	int idx = get_amp_index(kcontrol); | 
 | 	long *valp = ucontrol->value.integer.value; | 
 |  | 
 | 	if (chs & 1) | 
 | 		*valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & | 
 | 			   HDA_AMP_MUTE) ? 0 : 1; | 
 | 	if (chs & 2) | 
 | 		*valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & | 
 | 			 HDA_AMP_MUTE) ? 0 : 1; | 
 | 	return 0; | 
 | } | 
 |  | 
 | int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol, | 
 | 				 struct snd_ctl_elem_value *ucontrol) | 
 | { | 
 | 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | 
 | 	hda_nid_t nid = get_amp_nid(kcontrol); | 
 | 	int chs = get_amp_channels(kcontrol); | 
 | 	int dir = get_amp_direction(kcontrol); | 
 | 	int idx = get_amp_index(kcontrol); | 
 | 	long *valp = ucontrol->value.integer.value; | 
 | 	int change = 0; | 
 |  | 
 | 	snd_hda_power_up(codec); | 
 | 	if (chs & 1) { | 
 | 		change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx, | 
 | 						  HDA_AMP_MUTE, | 
 | 						  *valp ? 0 : HDA_AMP_MUTE); | 
 | 		valp++; | 
 | 	} | 
 | 	if (chs & 2) | 
 | 		change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx, | 
 | 						   HDA_AMP_MUTE, | 
 | 						   *valp ? 0 : HDA_AMP_MUTE); | 
 | #ifdef CONFIG_SND_HDA_POWER_SAVE | 
 | 	if (codec->patch_ops.check_power_status) | 
 | 		codec->patch_ops.check_power_status(codec, nid); | 
 | #endif | 
 | 	snd_hda_power_down(codec); | 
 | 	return change; | 
 | } | 
 |  | 
 | /* | 
 |  * bound volume controls | 
 |  * | 
 |  * bind multiple volumes (# indices, from 0) | 
 |  */ | 
 |  | 
 | #define AMP_VAL_IDX_SHIFT	19 | 
 | #define AMP_VAL_IDX_MASK	(0x0f<<19) | 
 |  | 
 | int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol, | 
 | 				  struct snd_ctl_elem_value *ucontrol) | 
 | { | 
 | 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | 
 | 	unsigned long pval; | 
 | 	int err; | 
 |  | 
 | 	mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */ | 
 | 	pval = kcontrol->private_value; | 
 | 	kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */ | 
 | 	err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol); | 
 | 	kcontrol->private_value = pval; | 
 | 	mutex_unlock(&codec->spdif_mutex); | 
 | 	return err; | 
 | } | 
 |  | 
 | int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol, | 
 | 				  struct snd_ctl_elem_value *ucontrol) | 
 | { | 
 | 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | 
 | 	unsigned long pval; | 
 | 	int i, indices, err = 0, change = 0; | 
 |  | 
 | 	mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */ | 
 | 	pval = kcontrol->private_value; | 
 | 	indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT; | 
 | 	for (i = 0; i < indices; i++) { | 
 | 		kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) | | 
 | 			(i << AMP_VAL_IDX_SHIFT); | 
 | 		err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol); | 
 | 		if (err < 0) | 
 | 			break; | 
 | 		change |= err; | 
 | 	} | 
 | 	kcontrol->private_value = pval; | 
 | 	mutex_unlock(&codec->spdif_mutex); | 
 | 	return err < 0 ? err : change; | 
 | } | 
 |  | 
 | /* | 
 |  * generic bound volume/swtich controls | 
 |  */ | 
 | int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol, | 
 | 				 struct snd_ctl_elem_info *uinfo) | 
 | { | 
 | 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | 
 | 	struct hda_bind_ctls *c; | 
 | 	int err; | 
 |  | 
 | 	mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */ | 
 | 	c = (struct hda_bind_ctls *)kcontrol->private_value; | 
 | 	kcontrol->private_value = *c->values; | 
 | 	err = c->ops->info(kcontrol, uinfo); | 
 | 	kcontrol->private_value = (long)c; | 
 | 	mutex_unlock(&codec->spdif_mutex); | 
 | 	return err; | 
 | } | 
 |  | 
 | int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol, | 
 | 				struct snd_ctl_elem_value *ucontrol) | 
 | { | 
 | 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | 
 | 	struct hda_bind_ctls *c; | 
 | 	int err; | 
 |  | 
 | 	mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */ | 
 | 	c = (struct hda_bind_ctls *)kcontrol->private_value; | 
 | 	kcontrol->private_value = *c->values; | 
 | 	err = c->ops->get(kcontrol, ucontrol); | 
 | 	kcontrol->private_value = (long)c; | 
 | 	mutex_unlock(&codec->spdif_mutex); | 
 | 	return err; | 
 | } | 
 |  | 
 | int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol, | 
 | 				struct snd_ctl_elem_value *ucontrol) | 
 | { | 
 | 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | 
 | 	struct hda_bind_ctls *c; | 
 | 	unsigned long *vals; | 
 | 	int err = 0, change = 0; | 
 |  | 
 | 	mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */ | 
 | 	c = (struct hda_bind_ctls *)kcontrol->private_value; | 
 | 	for (vals = c->values; *vals; vals++) { | 
 | 		kcontrol->private_value = *vals; | 
 | 		err = c->ops->put(kcontrol, ucontrol); | 
 | 		if (err < 0) | 
 | 			break; | 
 | 		change |= err; | 
 | 	} | 
 | 	kcontrol->private_value = (long)c; | 
 | 	mutex_unlock(&codec->spdif_mutex); | 
 | 	return err < 0 ? err : change; | 
 | } | 
 |  | 
 | int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag, | 
 | 			   unsigned int size, unsigned int __user *tlv) | 
 | { | 
 | 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | 
 | 	struct hda_bind_ctls *c; | 
 | 	int err; | 
 |  | 
 | 	mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */ | 
 | 	c = (struct hda_bind_ctls *)kcontrol->private_value; | 
 | 	kcontrol->private_value = *c->values; | 
 | 	err = c->ops->tlv(kcontrol, op_flag, size, tlv); | 
 | 	kcontrol->private_value = (long)c; | 
 | 	mutex_unlock(&codec->spdif_mutex); | 
 | 	return err; | 
 | } | 
 |  | 
 | struct hda_ctl_ops snd_hda_bind_vol = { | 
 | 	.info = snd_hda_mixer_amp_volume_info, | 
 | 	.get = snd_hda_mixer_amp_volume_get, | 
 | 	.put = snd_hda_mixer_amp_volume_put, | 
 | 	.tlv = snd_hda_mixer_amp_tlv | 
 | }; | 
 |  | 
 | struct hda_ctl_ops snd_hda_bind_sw = { | 
 | 	.info = snd_hda_mixer_amp_switch_info, | 
 | 	.get = snd_hda_mixer_amp_switch_get, | 
 | 	.put = snd_hda_mixer_amp_switch_put, | 
 | 	.tlv = snd_hda_mixer_amp_tlv | 
 | }; | 
 |  | 
 | /* | 
 |  * SPDIF out controls | 
 |  */ | 
 |  | 
 | static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol, | 
 | 				   struct snd_ctl_elem_info *uinfo) | 
 | { | 
 | 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; | 
 | 	uinfo->count = 1; | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol, | 
 | 				   struct snd_ctl_elem_value *ucontrol) | 
 | { | 
 | 	ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | | 
 | 					   IEC958_AES0_NONAUDIO | | 
 | 					   IEC958_AES0_CON_EMPHASIS_5015 | | 
 | 					   IEC958_AES0_CON_NOT_COPYRIGHT; | 
 | 	ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | | 
 | 					   IEC958_AES1_CON_ORIGINAL; | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol, | 
 | 				   struct snd_ctl_elem_value *ucontrol) | 
 | { | 
 | 	ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | | 
 | 					   IEC958_AES0_NONAUDIO | | 
 | 					   IEC958_AES0_PRO_EMPHASIS_5015; | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol, | 
 | 				     struct snd_ctl_elem_value *ucontrol) | 
 | { | 
 | 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | 
 |  | 
 | 	ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff; | 
 | 	ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff; | 
 | 	ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff; | 
 | 	ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff; | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* convert from SPDIF status bits to HDA SPDIF bits | 
 |  * bit 0 (DigEn) is always set zero (to be filled later) | 
 |  */ | 
 | static unsigned short convert_from_spdif_status(unsigned int sbits) | 
 | { | 
 | 	unsigned short val = 0; | 
 |  | 
 | 	if (sbits & IEC958_AES0_PROFESSIONAL) | 
 | 		val |= AC_DIG1_PROFESSIONAL; | 
 | 	if (sbits & IEC958_AES0_NONAUDIO) | 
 | 		val |= AC_DIG1_NONAUDIO; | 
 | 	if (sbits & IEC958_AES0_PROFESSIONAL) { | 
 | 		if ((sbits & IEC958_AES0_PRO_EMPHASIS) == | 
 | 		    IEC958_AES0_PRO_EMPHASIS_5015) | 
 | 			val |= AC_DIG1_EMPHASIS; | 
 | 	} else { | 
 | 		if ((sbits & IEC958_AES0_CON_EMPHASIS) == | 
 | 		    IEC958_AES0_CON_EMPHASIS_5015) | 
 | 			val |= AC_DIG1_EMPHASIS; | 
 | 		if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT)) | 
 | 			val |= AC_DIG1_COPYRIGHT; | 
 | 		if (sbits & (IEC958_AES1_CON_ORIGINAL << 8)) | 
 | 			val |= AC_DIG1_LEVEL; | 
 | 		val |= sbits & (IEC958_AES1_CON_CATEGORY << 8); | 
 | 	} | 
 | 	return val; | 
 | } | 
 |  | 
 | /* convert to SPDIF status bits from HDA SPDIF bits | 
 |  */ | 
 | static unsigned int convert_to_spdif_status(unsigned short val) | 
 | { | 
 | 	unsigned int sbits = 0; | 
 |  | 
 | 	if (val & AC_DIG1_NONAUDIO) | 
 | 		sbits |= IEC958_AES0_NONAUDIO; | 
 | 	if (val & AC_DIG1_PROFESSIONAL) | 
 | 		sbits |= IEC958_AES0_PROFESSIONAL; | 
 | 	if (sbits & IEC958_AES0_PROFESSIONAL) { | 
 | 		if (sbits & AC_DIG1_EMPHASIS) | 
 | 			sbits |= IEC958_AES0_PRO_EMPHASIS_5015; | 
 | 	} else { | 
 | 		if (val & AC_DIG1_EMPHASIS) | 
 | 			sbits |= IEC958_AES0_CON_EMPHASIS_5015; | 
 | 		if (!(val & AC_DIG1_COPYRIGHT)) | 
 | 			sbits |= IEC958_AES0_CON_NOT_COPYRIGHT; | 
 | 		if (val & AC_DIG1_LEVEL) | 
 | 			sbits |= (IEC958_AES1_CON_ORIGINAL << 8); | 
 | 		sbits |= val & (0x7f << 8); | 
 | 	} | 
 | 	return sbits; | 
 | } | 
 |  | 
 | static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol, | 
 | 				     struct snd_ctl_elem_value *ucontrol) | 
 | { | 
 | 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | 
 | 	hda_nid_t nid = kcontrol->private_value; | 
 | 	unsigned short val; | 
 | 	int change; | 
 |  | 
 | 	mutex_lock(&codec->spdif_mutex); | 
 | 	codec->spdif_status = ucontrol->value.iec958.status[0] | | 
 | 		((unsigned int)ucontrol->value.iec958.status[1] << 8) | | 
 | 		((unsigned int)ucontrol->value.iec958.status[2] << 16) | | 
 | 		((unsigned int)ucontrol->value.iec958.status[3] << 24); | 
 | 	val = convert_from_spdif_status(codec->spdif_status); | 
 | 	val |= codec->spdif_ctls & 1; | 
 | 	change = codec->spdif_ctls != val; | 
 | 	codec->spdif_ctls = val; | 
 |  | 
 | 	if (change) { | 
 | 		snd_hda_codec_write_cache(codec, nid, 0, | 
 | 					  AC_VERB_SET_DIGI_CONVERT_1, | 
 | 					  val & 0xff); | 
 | 		snd_hda_codec_write_cache(codec, nid, 0, | 
 | 					  AC_VERB_SET_DIGI_CONVERT_2, | 
 | 					  val >> 8); | 
 | 	} | 
 |  | 
 | 	mutex_unlock(&codec->spdif_mutex); | 
 | 	return change; | 
 | } | 
 |  | 
 | #define snd_hda_spdif_out_switch_info	snd_ctl_boolean_mono_info | 
 |  | 
 | static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol, | 
 | 					struct snd_ctl_elem_value *ucontrol) | 
 | { | 
 | 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | 
 |  | 
 | 	ucontrol->value.integer.value[0] = codec->spdif_ctls & AC_DIG1_ENABLE; | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol, | 
 | 					struct snd_ctl_elem_value *ucontrol) | 
 | { | 
 | 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | 
 | 	hda_nid_t nid = kcontrol->private_value; | 
 | 	unsigned short val; | 
 | 	int change; | 
 |  | 
 | 	mutex_lock(&codec->spdif_mutex); | 
 | 	val = codec->spdif_ctls & ~AC_DIG1_ENABLE; | 
 | 	if (ucontrol->value.integer.value[0]) | 
 | 		val |= AC_DIG1_ENABLE; | 
 | 	change = codec->spdif_ctls != val; | 
 | 	if (change) { | 
 | 		codec->spdif_ctls = val; | 
 | 		snd_hda_codec_write_cache(codec, nid, 0, | 
 | 					  AC_VERB_SET_DIGI_CONVERT_1, | 
 | 					  val & 0xff); | 
 | 		/* unmute amp switch (if any) */ | 
 | 		if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) && | 
 | 		    (val & AC_DIG1_ENABLE)) | 
 | 			snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0, | 
 | 						 HDA_AMP_MUTE, 0); | 
 | 	} | 
 | 	mutex_unlock(&codec->spdif_mutex); | 
 | 	return change; | 
 | } | 
 |  | 
 | static struct snd_kcontrol_new dig_mixes[] = { | 
 | 	{ | 
 | 		.access = SNDRV_CTL_ELEM_ACCESS_READ, | 
 | 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER, | 
 | 		.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), | 
 | 		.info = snd_hda_spdif_mask_info, | 
 | 		.get = snd_hda_spdif_cmask_get, | 
 | 	}, | 
 | 	{ | 
 | 		.access = SNDRV_CTL_ELEM_ACCESS_READ, | 
 | 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER, | 
 | 		.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), | 
 | 		.info = snd_hda_spdif_mask_info, | 
 | 		.get = snd_hda_spdif_pmask_get, | 
 | 	}, | 
 | 	{ | 
 | 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER, | 
 | 		.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), | 
 | 		.info = snd_hda_spdif_mask_info, | 
 | 		.get = snd_hda_spdif_default_get, | 
 | 		.put = snd_hda_spdif_default_put, | 
 | 	}, | 
 | 	{ | 
 | 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER, | 
 | 		.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), | 
 | 		.info = snd_hda_spdif_out_switch_info, | 
 | 		.get = snd_hda_spdif_out_switch_get, | 
 | 		.put = snd_hda_spdif_out_switch_put, | 
 | 	}, | 
 | 	{ } /* end */ | 
 | }; | 
 |  | 
 | #define SPDIF_MAX_IDX	4	/* 4 instances should be enough to probe */ | 
 |  | 
 | /** | 
 |  * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls | 
 |  * @codec: the HDA codec | 
 |  * @nid: audio out widget NID | 
 |  * | 
 |  * Creates controls related with the SPDIF output. | 
 |  * Called from each patch supporting the SPDIF out. | 
 |  * | 
 |  * Returns 0 if successful, or a negative error code. | 
 |  */ | 
 | int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid) | 
 | { | 
 | 	int err; | 
 | 	struct snd_kcontrol *kctl; | 
 | 	struct snd_kcontrol_new *dig_mix; | 
 | 	int idx; | 
 |  | 
 | 	for (idx = 0; idx < SPDIF_MAX_IDX; idx++) { | 
 | 		if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Playback Switch", | 
 | 					     idx)) | 
 | 			break; | 
 | 	} | 
 | 	if (idx >= SPDIF_MAX_IDX) { | 
 | 		printk(KERN_ERR "hda_codec: too many IEC958 outputs\n"); | 
 | 		return -EBUSY; | 
 | 	} | 
 | 	for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) { | 
 | 		kctl = snd_ctl_new1(dig_mix, codec); | 
 | 		kctl->id.index = idx; | 
 | 		kctl->private_value = nid; | 
 | 		err = snd_ctl_add(codec->bus->card, kctl); | 
 | 		if (err < 0) | 
 | 			return err; | 
 | 	} | 
 | 	codec->spdif_ctls = | 
 | 		snd_hda_codec_read(codec, nid, 0, | 
 | 				   AC_VERB_GET_DIGI_CONVERT_1, 0); | 
 | 	codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls); | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* | 
 |  * SPDIF sharing with analog output | 
 |  */ | 
 | static int spdif_share_sw_get(struct snd_kcontrol *kcontrol, | 
 | 			      struct snd_ctl_elem_value *ucontrol) | 
 | { | 
 | 	struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol); | 
 | 	ucontrol->value.integer.value[0] = mout->share_spdif; | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int spdif_share_sw_put(struct snd_kcontrol *kcontrol, | 
 | 			      struct snd_ctl_elem_value *ucontrol) | 
 | { | 
 | 	struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol); | 
 | 	mout->share_spdif = !!ucontrol->value.integer.value[0]; | 
 | 	return 0; | 
 | } | 
 |  | 
 | static struct snd_kcontrol_new spdif_share_sw = { | 
 | 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, | 
 | 	.name = "IEC958 Default PCM Playback Switch", | 
 | 	.info = snd_ctl_boolean_mono_info, | 
 | 	.get = spdif_share_sw_get, | 
 | 	.put = spdif_share_sw_put, | 
 | }; | 
 |  | 
 | int snd_hda_create_spdif_share_sw(struct hda_codec *codec, | 
 | 				  struct hda_multi_out *mout) | 
 | { | 
 | 	if (!mout->dig_out_nid) | 
 | 		return 0; | 
 | 	/* ATTENTION: here mout is passed as private_data, instead of codec */ | 
 | 	return snd_ctl_add(codec->bus->card, | 
 | 			   snd_ctl_new1(&spdif_share_sw, mout)); | 
 | } | 
 |  | 
 | /* | 
 |  * SPDIF input | 
 |  */ | 
 |  | 
 | #define snd_hda_spdif_in_switch_info	snd_hda_spdif_out_switch_info | 
 |  | 
 | static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol, | 
 | 				       struct snd_ctl_elem_value *ucontrol) | 
 | { | 
 | 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | 
 |  | 
 | 	ucontrol->value.integer.value[0] = codec->spdif_in_enable; | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol, | 
 | 				       struct snd_ctl_elem_value *ucontrol) | 
 | { | 
 | 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | 
 | 	hda_nid_t nid = kcontrol->private_value; | 
 | 	unsigned int val = !!ucontrol->value.integer.value[0]; | 
 | 	int change; | 
 |  | 
 | 	mutex_lock(&codec->spdif_mutex); | 
 | 	change = codec->spdif_in_enable != val; | 
 | 	if (change) { | 
 | 		codec->spdif_in_enable = val; | 
 | 		snd_hda_codec_write_cache(codec, nid, 0, | 
 | 					  AC_VERB_SET_DIGI_CONVERT_1, val); | 
 | 	} | 
 | 	mutex_unlock(&codec->spdif_mutex); | 
 | 	return change; | 
 | } | 
 |  | 
 | static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol, | 
 | 				       struct snd_ctl_elem_value *ucontrol) | 
 | { | 
 | 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | 
 | 	hda_nid_t nid = kcontrol->private_value; | 
 | 	unsigned short val; | 
 | 	unsigned int sbits; | 
 |  | 
 | 	val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT_1, 0); | 
 | 	sbits = convert_to_spdif_status(val); | 
 | 	ucontrol->value.iec958.status[0] = sbits; | 
 | 	ucontrol->value.iec958.status[1] = sbits >> 8; | 
 | 	ucontrol->value.iec958.status[2] = sbits >> 16; | 
 | 	ucontrol->value.iec958.status[3] = sbits >> 24; | 
 | 	return 0; | 
 | } | 
 |  | 
 | static struct snd_kcontrol_new dig_in_ctls[] = { | 
 | 	{ | 
 | 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER, | 
 | 		.name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), | 
 | 		.info = snd_hda_spdif_in_switch_info, | 
 | 		.get = snd_hda_spdif_in_switch_get, | 
 | 		.put = snd_hda_spdif_in_switch_put, | 
 | 	}, | 
 | 	{ | 
 | 		.access = SNDRV_CTL_ELEM_ACCESS_READ, | 
 | 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER, | 
 | 		.name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT), | 
 | 		.info = snd_hda_spdif_mask_info, | 
 | 		.get = snd_hda_spdif_in_status_get, | 
 | 	}, | 
 | 	{ } /* end */ | 
 | }; | 
 |  | 
 | /** | 
 |  * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls | 
 |  * @codec: the HDA codec | 
 |  * @nid: audio in widget NID | 
 |  * | 
 |  * Creates controls related with the SPDIF input. | 
 |  * Called from each patch supporting the SPDIF in. | 
 |  * | 
 |  * Returns 0 if successful, or a negative error code. | 
 |  */ | 
 | int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid) | 
 | { | 
 | 	int err; | 
 | 	struct snd_kcontrol *kctl; | 
 | 	struct snd_kcontrol_new *dig_mix; | 
 | 	int idx; | 
 |  | 
 | 	for (idx = 0; idx < SPDIF_MAX_IDX; idx++) { | 
 | 		if (!_snd_hda_find_mixer_ctl(codec, "IEC958 Capture Switch", | 
 | 					     idx)) | 
 | 			break; | 
 | 	} | 
 | 	if (idx >= SPDIF_MAX_IDX) { | 
 | 		printk(KERN_ERR "hda_codec: too many IEC958 inputs\n"); | 
 | 		return -EBUSY; | 
 | 	} | 
 | 	for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) { | 
 | 		kctl = snd_ctl_new1(dig_mix, codec); | 
 | 		kctl->private_value = nid; | 
 | 		err = snd_ctl_add(codec->bus->card, kctl); | 
 | 		if (err < 0) | 
 | 			return err; | 
 | 	} | 
 | 	codec->spdif_in_enable = | 
 | 		snd_hda_codec_read(codec, nid, 0, | 
 | 				   AC_VERB_GET_DIGI_CONVERT_1, 0) & | 
 | 		AC_DIG1_ENABLE; | 
 | 	return 0; | 
 | } | 
 |  | 
 | #ifdef SND_HDA_NEEDS_RESUME | 
 | /* | 
 |  * command cache | 
 |  */ | 
 |  | 
 | /* build a 32bit cache key with the widget id and the command parameter */ | 
 | #define build_cmd_cache_key(nid, verb)	((verb << 8) | nid) | 
 | #define get_cmd_cache_nid(key)		((key) & 0xff) | 
 | #define get_cmd_cache_cmd(key)		(((key) >> 8) & 0xffff) | 
 |  | 
 | /** | 
 |  * snd_hda_codec_write_cache - send a single command with caching | 
 |  * @codec: the HDA codec | 
 |  * @nid: NID to send the command | 
 |  * @direct: direct flag | 
 |  * @verb: the verb to send | 
 |  * @parm: the parameter for the verb | 
 |  * | 
 |  * Send a single command without waiting for response. | 
 |  * | 
 |  * Returns 0 if successful, or a negative error code. | 
 |  */ | 
 | int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid, | 
 | 			      int direct, unsigned int verb, unsigned int parm) | 
 | { | 
 | 	int err; | 
 | 	snd_hda_power_up(codec); | 
 | 	mutex_lock(&codec->bus->cmd_mutex); | 
 | 	err = codec->bus->ops.command(codec, nid, direct, verb, parm); | 
 | 	if (!err) { | 
 | 		struct hda_cache_head *c; | 
 | 		u32 key = build_cmd_cache_key(nid, verb); | 
 | 		c = get_alloc_hash(&codec->cmd_cache, key); | 
 | 		if (c) | 
 | 			c->val = parm; | 
 | 	} | 
 | 	mutex_unlock(&codec->bus->cmd_mutex); | 
 | 	snd_hda_power_down(codec); | 
 | 	return err; | 
 | } | 
 |  | 
 | /* resume the all commands from the cache */ | 
 | void snd_hda_codec_resume_cache(struct hda_codec *codec) | 
 | { | 
 | 	struct hda_cache_head *buffer = codec->cmd_cache.buffer; | 
 | 	int i; | 
 |  | 
 | 	for (i = 0; i < codec->cmd_cache.size; i++, buffer++) { | 
 | 		u32 key = buffer->key; | 
 | 		if (!key) | 
 | 			continue; | 
 | 		snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0, | 
 | 				    get_cmd_cache_cmd(key), buffer->val); | 
 | 	} | 
 | } | 
 |  | 
 | /** | 
 |  * snd_hda_sequence_write_cache - sequence writes with caching | 
 |  * @codec: the HDA codec | 
 |  * @seq: VERB array to send | 
 |  * | 
 |  * Send the commands sequentially from the given array. | 
 |  * Thte commands are recorded on cache for power-save and resume. | 
 |  * The array must be terminated with NID=0. | 
 |  */ | 
 | void snd_hda_sequence_write_cache(struct hda_codec *codec, | 
 | 				  const struct hda_verb *seq) | 
 | { | 
 | 	for (; seq->nid; seq++) | 
 | 		snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb, | 
 | 					  seq->param); | 
 | } | 
 | #endif /* SND_HDA_NEEDS_RESUME */ | 
 |  | 
 | /* | 
 |  * set power state of the codec | 
 |  */ | 
 | static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg, | 
 | 				unsigned int power_state) | 
 | { | 
 | 	hda_nid_t nid; | 
 | 	int i; | 
 |  | 
 | 	snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE, | 
 | 			    power_state); | 
 | 	msleep(10); /* partial workaround for "azx_get_response timeout" */ | 
 |  | 
 | 	nid = codec->start_nid; | 
 | 	for (i = 0; i < codec->num_nodes; i++, nid++) { | 
 | 		unsigned int wcaps = get_wcaps(codec, nid); | 
 | 		if (wcaps & AC_WCAP_POWER) { | 
 | 			unsigned int wid_type = (wcaps & AC_WCAP_TYPE) >> | 
 | 				AC_WCAP_TYPE_SHIFT; | 
 | 			if (wid_type == AC_WID_PIN) { | 
 | 				unsigned int pincap; | 
 | 				/* | 
 | 				 * don't power down the widget if it controls | 
 | 				 * eapd and EAPD_BTLENABLE is set. | 
 | 				 */ | 
 | 				pincap = snd_hda_param_read(codec, nid, | 
 | 							    AC_PAR_PIN_CAP); | 
 | 				if (pincap & AC_PINCAP_EAPD) { | 
 | 					int eapd = snd_hda_codec_read(codec, | 
 | 						nid, 0, | 
 | 						AC_VERB_GET_EAPD_BTLENABLE, 0); | 
 | 					eapd &= 0x02; | 
 | 					if (power_state == AC_PWRST_D3 && eapd) | 
 | 						continue; | 
 | 				} | 
 | 			} | 
 | 			snd_hda_codec_write(codec, nid, 0, | 
 | 					    AC_VERB_SET_POWER_STATE, | 
 | 					    power_state); | 
 | 		} | 
 | 	} | 
 |  | 
 | 	if (power_state == AC_PWRST_D0) { | 
 | 		unsigned long end_time; | 
 | 		int state; | 
 | 		msleep(10); | 
 | 		/* wait until the codec reachs to D0 */ | 
 | 		end_time = jiffies + msecs_to_jiffies(500); | 
 | 		do { | 
 | 			state = snd_hda_codec_read(codec, fg, 0, | 
 | 						   AC_VERB_GET_POWER_STATE, 0); | 
 | 			if (state == power_state) | 
 | 				break; | 
 | 			msleep(1); | 
 | 		} while (time_after_eq(end_time, jiffies)); | 
 | 	} | 
 | } | 
 |  | 
 | #ifdef SND_HDA_NEEDS_RESUME | 
 | /* | 
 |  * call suspend and power-down; used both from PM and power-save | 
 |  */ | 
 | static void hda_call_codec_suspend(struct hda_codec *codec) | 
 | { | 
 | 	if (codec->patch_ops.suspend) | 
 | 		codec->patch_ops.suspend(codec, PMSG_SUSPEND); | 
 | 	hda_set_power_state(codec, | 
 | 			    codec->afg ? codec->afg : codec->mfg, | 
 | 			    AC_PWRST_D3); | 
 | #ifdef CONFIG_SND_HDA_POWER_SAVE | 
 | 	cancel_delayed_work(&codec->power_work); | 
 | 	codec->power_on = 0; | 
 | 	codec->power_transition = 0; | 
 | #endif | 
 | } | 
 |  | 
 | /* | 
 |  * kick up codec; used both from PM and power-save | 
 |  */ | 
 | static void hda_call_codec_resume(struct hda_codec *codec) | 
 | { | 
 | 	hda_set_power_state(codec, | 
 | 			    codec->afg ? codec->afg : codec->mfg, | 
 | 			    AC_PWRST_D0); | 
 | 	if (codec->patch_ops.resume) | 
 | 		codec->patch_ops.resume(codec); | 
 | 	else { | 
 | 		if (codec->patch_ops.init) | 
 | 			codec->patch_ops.init(codec); | 
 | 		snd_hda_codec_resume_amp(codec); | 
 | 		snd_hda_codec_resume_cache(codec); | 
 | 	} | 
 | } | 
 | #endif /* SND_HDA_NEEDS_RESUME */ | 
 |  | 
 |  | 
 | /** | 
 |  * snd_hda_build_controls - build mixer controls | 
 |  * @bus: the BUS | 
 |  * | 
 |  * Creates mixer controls for each codec included in the bus. | 
 |  * | 
 |  * Returns 0 if successful, otherwise a negative error code. | 
 |  */ | 
 | int __devinit snd_hda_build_controls(struct hda_bus *bus) | 
 | { | 
 | 	struct hda_codec *codec; | 
 |  | 
 | 	list_for_each_entry(codec, &bus->codec_list, list) { | 
 | 		int err = 0; | 
 | 		/* fake as if already powered-on */ | 
 | 		hda_keep_power_on(codec); | 
 | 		/* then fire up */ | 
 | 		hda_set_power_state(codec, | 
 | 				    codec->afg ? codec->afg : codec->mfg, | 
 | 				    AC_PWRST_D0); | 
 | 		/* continue to initialize... */ | 
 | 		if (codec->patch_ops.init) | 
 | 			err = codec->patch_ops.init(codec); | 
 | 		if (!err && codec->patch_ops.build_controls) | 
 | 			err = codec->patch_ops.build_controls(codec); | 
 | 		snd_hda_power_down(codec); | 
 | 		if (err < 0) | 
 | 			return err; | 
 | 	} | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* | 
 |  * stream formats | 
 |  */ | 
 | struct hda_rate_tbl { | 
 | 	unsigned int hz; | 
 | 	unsigned int alsa_bits; | 
 | 	unsigned int hda_fmt; | 
 | }; | 
 |  | 
 | static struct hda_rate_tbl rate_bits[] = { | 
 | 	/* rate in Hz, ALSA rate bitmask, HDA format value */ | 
 |  | 
 | 	/* autodetected value used in snd_hda_query_supported_pcm */ | 
 | 	{ 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */ | 
 | 	{ 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */ | 
 | 	{ 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */ | 
 | 	{ 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */ | 
 | 	{ 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */ | 
 | 	{ 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */ | 
 | 	{ 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */ | 
 | 	{ 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */ | 
 | 	{ 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */ | 
 | 	{ 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */ | 
 | 	{ 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */ | 
 | #define AC_PAR_PCM_RATE_BITS	11 | 
 | 	/* up to bits 10, 384kHZ isn't supported properly */ | 
 |  | 
 | 	/* not autodetected value */ | 
 | 	{ 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */ | 
 |  | 
 | 	{ 0 } /* terminator */ | 
 | }; | 
 |  | 
 | /** | 
 |  * snd_hda_calc_stream_format - calculate format bitset | 
 |  * @rate: the sample rate | 
 |  * @channels: the number of channels | 
 |  * @format: the PCM format (SNDRV_PCM_FORMAT_XXX) | 
 |  * @maxbps: the max. bps | 
 |  * | 
 |  * Calculate the format bitset from the given rate, channels and th PCM format. | 
 |  * | 
 |  * Return zero if invalid. | 
 |  */ | 
 | unsigned int snd_hda_calc_stream_format(unsigned int rate, | 
 | 					unsigned int channels, | 
 | 					unsigned int format, | 
 | 					unsigned int maxbps) | 
 | { | 
 | 	int i; | 
 | 	unsigned int val = 0; | 
 |  | 
 | 	for (i = 0; rate_bits[i].hz; i++) | 
 | 		if (rate_bits[i].hz == rate) { | 
 | 			val = rate_bits[i].hda_fmt; | 
 | 			break; | 
 | 		} | 
 | 	if (!rate_bits[i].hz) { | 
 | 		snd_printdd("invalid rate %d\n", rate); | 
 | 		return 0; | 
 | 	} | 
 |  | 
 | 	if (channels == 0 || channels > 8) { | 
 | 		snd_printdd("invalid channels %d\n", channels); | 
 | 		return 0; | 
 | 	} | 
 | 	val |= channels - 1; | 
 |  | 
 | 	switch (snd_pcm_format_width(format)) { | 
 | 	case 8:  val |= 0x00; break; | 
 | 	case 16: val |= 0x10; break; | 
 | 	case 20: | 
 | 	case 24: | 
 | 	case 32: | 
 | 		if (maxbps >= 32) | 
 | 			val |= 0x40; | 
 | 		else if (maxbps >= 24) | 
 | 			val |= 0x30; | 
 | 		else | 
 | 			val |= 0x20; | 
 | 		break; | 
 | 	default: | 
 | 		snd_printdd("invalid format width %d\n", | 
 | 			    snd_pcm_format_width(format)); | 
 | 		return 0; | 
 | 	} | 
 |  | 
 | 	return val; | 
 | } | 
 |  | 
 | /** | 
 |  * snd_hda_query_supported_pcm - query the supported PCM rates and formats | 
 |  * @codec: the HDA codec | 
 |  * @nid: NID to query | 
 |  * @ratesp: the pointer to store the detected rate bitflags | 
 |  * @formatsp: the pointer to store the detected formats | 
 |  * @bpsp: the pointer to store the detected format widths | 
 |  * | 
 |  * Queries the supported PCM rates and formats.  The NULL @ratesp, @formatsp | 
 |  * or @bsps argument is ignored. | 
 |  * | 
 |  * Returns 0 if successful, otherwise a negative error code. | 
 |  */ | 
 | int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid, | 
 | 				u32 *ratesp, u64 *formatsp, unsigned int *bpsp) | 
 | { | 
 | 	int i; | 
 | 	unsigned int val, streams; | 
 |  | 
 | 	val = 0; | 
 | 	if (nid != codec->afg && | 
 | 	    (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) { | 
 | 		val = snd_hda_param_read(codec, nid, AC_PAR_PCM); | 
 | 		if (val == -1) | 
 | 			return -EIO; | 
 | 	} | 
 | 	if (!val) | 
 | 		val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM); | 
 |  | 
 | 	if (ratesp) { | 
 | 		u32 rates = 0; | 
 | 		for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) { | 
 | 			if (val & (1 << i)) | 
 | 				rates |= rate_bits[i].alsa_bits; | 
 | 		} | 
 | 		*ratesp = rates; | 
 | 	} | 
 |  | 
 | 	if (formatsp || bpsp) { | 
 | 		u64 formats = 0; | 
 | 		unsigned int bps; | 
 | 		unsigned int wcaps; | 
 |  | 
 | 		wcaps = get_wcaps(codec, nid); | 
 | 		streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM); | 
 | 		if (streams == -1) | 
 | 			return -EIO; | 
 | 		if (!streams) { | 
 | 			streams = snd_hda_param_read(codec, codec->afg, | 
 | 						     AC_PAR_STREAM); | 
 | 			if (streams == -1) | 
 | 				return -EIO; | 
 | 		} | 
 |  | 
 | 		bps = 0; | 
 | 		if (streams & AC_SUPFMT_PCM) { | 
 | 			if (val & AC_SUPPCM_BITS_8) { | 
 | 				formats |= SNDRV_PCM_FMTBIT_U8; | 
 | 				bps = 8; | 
 | 			} | 
 | 			if (val & AC_SUPPCM_BITS_16) { | 
 | 				formats |= SNDRV_PCM_FMTBIT_S16_LE; | 
 | 				bps = 16; | 
 | 			} | 
 | 			if (wcaps & AC_WCAP_DIGITAL) { | 
 | 				if (val & AC_SUPPCM_BITS_32) | 
 | 					formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE; | 
 | 				if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24)) | 
 | 					formats |= SNDRV_PCM_FMTBIT_S32_LE; | 
 | 				if (val & AC_SUPPCM_BITS_24) | 
 | 					bps = 24; | 
 | 				else if (val & AC_SUPPCM_BITS_20) | 
 | 					bps = 20; | 
 | 			} else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24| | 
 | 					  AC_SUPPCM_BITS_32)) { | 
 | 				formats |= SNDRV_PCM_FMTBIT_S32_LE; | 
 | 				if (val & AC_SUPPCM_BITS_32) | 
 | 					bps = 32; | 
 | 				else if (val & AC_SUPPCM_BITS_24) | 
 | 					bps = 24; | 
 | 				else if (val & AC_SUPPCM_BITS_20) | 
 | 					bps = 20; | 
 | 			} | 
 | 		} | 
 | 		else if (streams == AC_SUPFMT_FLOAT32) { | 
 | 			/* should be exclusive */ | 
 | 			formats |= SNDRV_PCM_FMTBIT_FLOAT_LE; | 
 | 			bps = 32; | 
 | 		} else if (streams == AC_SUPFMT_AC3) { | 
 | 			/* should be exclusive */ | 
 | 			/* temporary hack: we have still no proper support | 
 | 			 * for the direct AC3 stream... | 
 | 			 */ | 
 | 			formats |= SNDRV_PCM_FMTBIT_U8; | 
 | 			bps = 8; | 
 | 		} | 
 | 		if (formatsp) | 
 | 			*formatsp = formats; | 
 | 		if (bpsp) | 
 | 			*bpsp = bps; | 
 | 	} | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | /** | 
 |  * snd_hda_is_supported_format - check whether the given node supports | 
 |  * the format val | 
 |  * | 
 |  * Returns 1 if supported, 0 if not. | 
 |  */ | 
 | int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid, | 
 | 				unsigned int format) | 
 | { | 
 | 	int i; | 
 | 	unsigned int val = 0, rate, stream; | 
 |  | 
 | 	if (nid != codec->afg && | 
 | 	    (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) { | 
 | 		val = snd_hda_param_read(codec, nid, AC_PAR_PCM); | 
 | 		if (val == -1) | 
 | 			return 0; | 
 | 	} | 
 | 	if (!val) { | 
 | 		val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM); | 
 | 		if (val == -1) | 
 | 			return 0; | 
 | 	} | 
 |  | 
 | 	rate = format & 0xff00; | 
 | 	for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) | 
 | 		if (rate_bits[i].hda_fmt == rate) { | 
 | 			if (val & (1 << i)) | 
 | 				break; | 
 | 			return 0; | 
 | 		} | 
 | 	if (i >= AC_PAR_PCM_RATE_BITS) | 
 | 		return 0; | 
 |  | 
 | 	stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM); | 
 | 	if (stream == -1) | 
 | 		return 0; | 
 | 	if (!stream && nid != codec->afg) | 
 | 		stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM); | 
 | 	if (!stream || stream == -1) | 
 | 		return 0; | 
 |  | 
 | 	if (stream & AC_SUPFMT_PCM) { | 
 | 		switch (format & 0xf0) { | 
 | 		case 0x00: | 
 | 			if (!(val & AC_SUPPCM_BITS_8)) | 
 | 				return 0; | 
 | 			break; | 
 | 		case 0x10: | 
 | 			if (!(val & AC_SUPPCM_BITS_16)) | 
 | 				return 0; | 
 | 			break; | 
 | 		case 0x20: | 
 | 			if (!(val & AC_SUPPCM_BITS_20)) | 
 | 				return 0; | 
 | 			break; | 
 | 		case 0x30: | 
 | 			if (!(val & AC_SUPPCM_BITS_24)) | 
 | 				return 0; | 
 | 			break; | 
 | 		case 0x40: | 
 | 			if (!(val & AC_SUPPCM_BITS_32)) | 
 | 				return 0; | 
 | 			break; | 
 | 		default: | 
 | 			return 0; | 
 | 		} | 
 | 	} else { | 
 | 		/* FIXME: check for float32 and AC3? */ | 
 | 	} | 
 |  | 
 | 	return 1; | 
 | } | 
 |  | 
 | /* | 
 |  * PCM stuff | 
 |  */ | 
 | static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo, | 
 | 				      struct hda_codec *codec, | 
 | 				      struct snd_pcm_substream *substream) | 
 | { | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo, | 
 | 				   struct hda_codec *codec, | 
 | 				   unsigned int stream_tag, | 
 | 				   unsigned int format, | 
 | 				   struct snd_pcm_substream *substream) | 
 | { | 
 | 	snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format); | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo, | 
 | 				   struct hda_codec *codec, | 
 | 				   struct snd_pcm_substream *substream) | 
 | { | 
 | 	snd_hda_codec_cleanup_stream(codec, hinfo->nid); | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int __devinit set_pcm_default_values(struct hda_codec *codec, | 
 | 					    struct hda_pcm_stream *info) | 
 | { | 
 | 	/* query support PCM information from the given NID */ | 
 | 	if (info->nid && (!info->rates || !info->formats)) { | 
 | 		snd_hda_query_supported_pcm(codec, info->nid, | 
 | 				info->rates ? NULL : &info->rates, | 
 | 				info->formats ? NULL : &info->formats, | 
 | 				info->maxbps ? NULL : &info->maxbps); | 
 | 	} | 
 | 	if (info->ops.open == NULL) | 
 | 		info->ops.open = hda_pcm_default_open_close; | 
 | 	if (info->ops.close == NULL) | 
 | 		info->ops.close = hda_pcm_default_open_close; | 
 | 	if (info->ops.prepare == NULL) { | 
 | 		snd_assert(info->nid, return -EINVAL); | 
 | 		info->ops.prepare = hda_pcm_default_prepare; | 
 | 	} | 
 | 	if (info->ops.cleanup == NULL) { | 
 | 		snd_assert(info->nid, return -EINVAL); | 
 | 		info->ops.cleanup = hda_pcm_default_cleanup; | 
 | 	} | 
 | 	return 0; | 
 | } | 
 |  | 
 | /** | 
 |  * snd_hda_build_pcms - build PCM information | 
 |  * @bus: the BUS | 
 |  * | 
 |  * Create PCM information for each codec included in the bus. | 
 |  * | 
 |  * The build_pcms codec patch is requested to set up codec->num_pcms and | 
 |  * codec->pcm_info properly.  The array is referred by the top-level driver | 
 |  * to create its PCM instances. | 
 |  * The allocated codec->pcm_info should be released in codec->patch_ops.free | 
 |  * callback. | 
 |  * | 
 |  * At least, substreams, channels_min and channels_max must be filled for | 
 |  * each stream.  substreams = 0 indicates that the stream doesn't exist. | 
 |  * When rates and/or formats are zero, the supported values are queried | 
 |  * from the given nid.  The nid is used also by the default ops.prepare | 
 |  * and ops.cleanup callbacks. | 
 |  * | 
 |  * The driver needs to call ops.open in its open callback.  Similarly, | 
 |  * ops.close is supposed to be called in the close callback. | 
 |  * ops.prepare should be called in the prepare or hw_params callback | 
 |  * with the proper parameters for set up. | 
 |  * ops.cleanup should be called in hw_free for clean up of streams. | 
 |  * | 
 |  * This function returns 0 if successfull, or a negative error code. | 
 |  */ | 
 | int __devinit snd_hda_build_pcms(struct hda_bus *bus) | 
 | { | 
 | 	struct hda_codec *codec; | 
 |  | 
 | 	list_for_each_entry(codec, &bus->codec_list, list) { | 
 | 		unsigned int pcm, s; | 
 | 		int err; | 
 | 		if (!codec->patch_ops.build_pcms) | 
 | 			continue; | 
 | 		err = codec->patch_ops.build_pcms(codec); | 
 | 		if (err < 0) | 
 | 			return err; | 
 | 		for (pcm = 0; pcm < codec->num_pcms; pcm++) { | 
 | 			for (s = 0; s < 2; s++) { | 
 | 				struct hda_pcm_stream *info; | 
 | 				info = &codec->pcm_info[pcm].stream[s]; | 
 | 				if (!info->substreams) | 
 | 					continue; | 
 | 				err = set_pcm_default_values(codec, info); | 
 | 				if (err < 0) | 
 | 					return err; | 
 | 			} | 
 | 		} | 
 | 	} | 
 | 	return 0; | 
 | } | 
 |  | 
 | /** | 
 |  * snd_hda_check_board_config - compare the current codec with the config table | 
 |  * @codec: the HDA codec | 
 |  * @num_configs: number of config enums | 
 |  * @models: array of model name strings | 
 |  * @tbl: configuration table, terminated by null entries | 
 |  * | 
 |  * Compares the modelname or PCI subsystem id of the current codec with the | 
 |  * given configuration table.  If a matching entry is found, returns its | 
 |  * config value (supposed to be 0 or positive). | 
 |  * | 
 |  * If no entries are matching, the function returns a negative value. | 
 |  */ | 
 | int snd_hda_check_board_config(struct hda_codec *codec, | 
 | 			       int num_configs, const char **models, | 
 | 			       const struct snd_pci_quirk *tbl) | 
 | { | 
 | 	if (codec->bus->modelname && models) { | 
 | 		int i; | 
 | 		for (i = 0; i < num_configs; i++) { | 
 | 			if (models[i] && | 
 | 			    !strcmp(codec->bus->modelname, models[i])) { | 
 | 				snd_printd(KERN_INFO "hda_codec: model '%s' is " | 
 | 					   "selected\n", models[i]); | 
 | 				return i; | 
 | 			} | 
 | 		} | 
 | 	} | 
 |  | 
 | 	if (!codec->bus->pci || !tbl) | 
 | 		return -1; | 
 |  | 
 | 	tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl); | 
 | 	if (!tbl) | 
 | 		return -1; | 
 | 	if (tbl->value >= 0 && tbl->value < num_configs) { | 
 | #ifdef CONFIG_SND_DEBUG_VERBOSE | 
 | 		char tmp[10]; | 
 | 		const char *model = NULL; | 
 | 		if (models) | 
 | 			model = models[tbl->value]; | 
 | 		if (!model) { | 
 | 			sprintf(tmp, "#%d", tbl->value); | 
 | 			model = tmp; | 
 | 		} | 
 | 		snd_printdd(KERN_INFO "hda_codec: model '%s' is selected " | 
 | 			    "for config %x:%x (%s)\n", | 
 | 			    model, tbl->subvendor, tbl->subdevice, | 
 | 			    (tbl->name ? tbl->name : "Unknown device")); | 
 | #endif | 
 | 		return tbl->value; | 
 | 	} | 
 | 	return -1; | 
 | } | 
 |  | 
 | /** | 
 |  * snd_hda_add_new_ctls - create controls from the array | 
 |  * @codec: the HDA codec | 
 |  * @knew: the array of struct snd_kcontrol_new | 
 |  * | 
 |  * This helper function creates and add new controls in the given array. | 
 |  * The array must be terminated with an empty entry as terminator. | 
 |  * | 
 |  * Returns 0 if successful, or a negative error code. | 
 |  */ | 
 | int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew) | 
 | { | 
 |  	int err; | 
 |  | 
 | 	for (; knew->name; knew++) { | 
 | 		struct snd_kcontrol *kctl; | 
 | 		kctl = snd_ctl_new1(knew, codec); | 
 | 		if (!kctl) | 
 | 			return -ENOMEM; | 
 | 		err = snd_ctl_add(codec->bus->card, kctl); | 
 | 		if (err < 0) { | 
 | 			if (!codec->addr) | 
 | 				return err; | 
 | 			kctl = snd_ctl_new1(knew, codec); | 
 | 			if (!kctl) | 
 | 				return -ENOMEM; | 
 | 			kctl->id.device = codec->addr; | 
 | 			err = snd_ctl_add(codec->bus->card, kctl); | 
 | 			if (err < 0) | 
 | 				return err; | 
 | 		} | 
 | 	} | 
 | 	return 0; | 
 | } | 
 |  | 
 | #ifdef CONFIG_SND_HDA_POWER_SAVE | 
 | static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg, | 
 | 				unsigned int power_state); | 
 |  | 
 | static void hda_power_work(struct work_struct *work) | 
 | { | 
 | 	struct hda_codec *codec = | 
 | 		container_of(work, struct hda_codec, power_work.work); | 
 |  | 
 | 	if (!codec->power_on || codec->power_count) { | 
 | 		codec->power_transition = 0; | 
 | 		return; | 
 | 	} | 
 |  | 
 | 	hda_call_codec_suspend(codec); | 
 | 	if (codec->bus->ops.pm_notify) | 
 | 		codec->bus->ops.pm_notify(codec); | 
 | } | 
 |  | 
 | static void hda_keep_power_on(struct hda_codec *codec) | 
 | { | 
 | 	codec->power_count++; | 
 | 	codec->power_on = 1; | 
 | } | 
 |  | 
 | void snd_hda_power_up(struct hda_codec *codec) | 
 | { | 
 | 	codec->power_count++; | 
 | 	if (codec->power_on || codec->power_transition) | 
 | 		return; | 
 |  | 
 | 	codec->power_on = 1; | 
 | 	if (codec->bus->ops.pm_notify) | 
 | 		codec->bus->ops.pm_notify(codec); | 
 | 	hda_call_codec_resume(codec); | 
 | 	cancel_delayed_work(&codec->power_work); | 
 | 	codec->power_transition = 0; | 
 | } | 
 |  | 
 | void snd_hda_power_down(struct hda_codec *codec) | 
 | { | 
 | 	--codec->power_count; | 
 | 	if (!codec->power_on || codec->power_count || codec->power_transition) | 
 | 		return; | 
 | 	if (power_save) { | 
 | 		codec->power_transition = 1; /* avoid reentrance */ | 
 | 		schedule_delayed_work(&codec->power_work, | 
 | 				      msecs_to_jiffies(power_save * 1000)); | 
 | 	} | 
 | } | 
 |  | 
 | int snd_hda_check_amp_list_power(struct hda_codec *codec, | 
 | 				 struct hda_loopback_check *check, | 
 | 				 hda_nid_t nid) | 
 | { | 
 | 	struct hda_amp_list *p; | 
 | 	int ch, v; | 
 |  | 
 | 	if (!check->amplist) | 
 | 		return 0; | 
 | 	for (p = check->amplist; p->nid; p++) { | 
 | 		if (p->nid == nid) | 
 | 			break; | 
 | 	} | 
 | 	if (!p->nid) | 
 | 		return 0; /* nothing changed */ | 
 |  | 
 | 	for (p = check->amplist; p->nid; p++) { | 
 | 		for (ch = 0; ch < 2; ch++) { | 
 | 			v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir, | 
 | 						   p->idx); | 
 | 			if (!(v & HDA_AMP_MUTE) && v > 0) { | 
 | 				if (!check->power_on) { | 
 | 					check->power_on = 1; | 
 | 					snd_hda_power_up(codec); | 
 | 				} | 
 | 				return 1; | 
 | 			} | 
 | 		} | 
 | 	} | 
 | 	if (check->power_on) { | 
 | 		check->power_on = 0; | 
 | 		snd_hda_power_down(codec); | 
 | 	} | 
 | 	return 0; | 
 | } | 
 | #endif | 
 |  | 
 | /* | 
 |  * Channel mode helper | 
 |  */ | 
 | int snd_hda_ch_mode_info(struct hda_codec *codec, | 
 | 			 struct snd_ctl_elem_info *uinfo, | 
 | 			 const struct hda_channel_mode *chmode, | 
 | 			 int num_chmodes) | 
 | { | 
 | 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | 
 | 	uinfo->count = 1; | 
 | 	uinfo->value.enumerated.items = num_chmodes; | 
 | 	if (uinfo->value.enumerated.item >= num_chmodes) | 
 | 		uinfo->value.enumerated.item = num_chmodes - 1; | 
 | 	sprintf(uinfo->value.enumerated.name, "%dch", | 
 | 		chmode[uinfo->value.enumerated.item].channels); | 
 | 	return 0; | 
 | } | 
 |  | 
 | int snd_hda_ch_mode_get(struct hda_codec *codec, | 
 | 			struct snd_ctl_elem_value *ucontrol, | 
 | 			const struct hda_channel_mode *chmode, | 
 | 			int num_chmodes, | 
 | 			int max_channels) | 
 | { | 
 | 	int i; | 
 |  | 
 | 	for (i = 0; i < num_chmodes; i++) { | 
 | 		if (max_channels == chmode[i].channels) { | 
 | 			ucontrol->value.enumerated.item[0] = i; | 
 | 			break; | 
 | 		} | 
 | 	} | 
 | 	return 0; | 
 | } | 
 |  | 
 | int snd_hda_ch_mode_put(struct hda_codec *codec, | 
 | 			struct snd_ctl_elem_value *ucontrol, | 
 | 			const struct hda_channel_mode *chmode, | 
 | 			int num_chmodes, | 
 | 			int *max_channelsp) | 
 | { | 
 | 	unsigned int mode; | 
 |  | 
 | 	mode = ucontrol->value.enumerated.item[0]; | 
 | 	if (mode >= num_chmodes) | 
 | 		return -EINVAL; | 
 | 	if (*max_channelsp == chmode[mode].channels) | 
 | 		return 0; | 
 | 	/* change the current channel setting */ | 
 | 	*max_channelsp = chmode[mode].channels; | 
 | 	if (chmode[mode].sequence) | 
 | 		snd_hda_sequence_write_cache(codec, chmode[mode].sequence); | 
 | 	return 1; | 
 | } | 
 |  | 
 | /* | 
 |  * input MUX helper | 
 |  */ | 
 | int snd_hda_input_mux_info(const struct hda_input_mux *imux, | 
 | 			   struct snd_ctl_elem_info *uinfo) | 
 | { | 
 | 	unsigned int index; | 
 |  | 
 | 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | 
 | 	uinfo->count = 1; | 
 | 	uinfo->value.enumerated.items = imux->num_items; | 
 | 	if (!imux->num_items) | 
 | 		return 0; | 
 | 	index = uinfo->value.enumerated.item; | 
 | 	if (index >= imux->num_items) | 
 | 		index = imux->num_items - 1; | 
 | 	strcpy(uinfo->value.enumerated.name, imux->items[index].label); | 
 | 	return 0; | 
 | } | 
 |  | 
 | int snd_hda_input_mux_put(struct hda_codec *codec, | 
 | 			  const struct hda_input_mux *imux, | 
 | 			  struct snd_ctl_elem_value *ucontrol, | 
 | 			  hda_nid_t nid, | 
 | 			  unsigned int *cur_val) | 
 | { | 
 | 	unsigned int idx; | 
 |  | 
 | 	if (!imux->num_items) | 
 | 		return 0; | 
 | 	idx = ucontrol->value.enumerated.item[0]; | 
 | 	if (idx >= imux->num_items) | 
 | 		idx = imux->num_items - 1; | 
 | 	if (*cur_val == idx) | 
 | 		return 0; | 
 | 	snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL, | 
 | 				  imux->items[idx].index); | 
 | 	*cur_val = idx; | 
 | 	return 1; | 
 | } | 
 |  | 
 |  | 
 | /* | 
 |  * Multi-channel / digital-out PCM helper functions | 
 |  */ | 
 |  | 
 | /* setup SPDIF output stream */ | 
 | static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid, | 
 | 				 unsigned int stream_tag, unsigned int format) | 
 | { | 
 | 	/* turn off SPDIF once; otherwise the IEC958 bits won't be updated */ | 
 | 	if (codec->spdif_ctls & AC_DIG1_ENABLE) | 
 | 		snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, | 
 | 				    codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff); | 
 | 	snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format); | 
 | 	/* turn on again (if needed) */ | 
 | 	if (codec->spdif_ctls & AC_DIG1_ENABLE) | 
 | 		snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, | 
 | 				    codec->spdif_ctls & 0xff); | 
 | } | 
 |  | 
 | /* | 
 |  * open the digital out in the exclusive mode | 
 |  */ | 
 | int snd_hda_multi_out_dig_open(struct hda_codec *codec, | 
 | 			       struct hda_multi_out *mout) | 
 | { | 
 | 	mutex_lock(&codec->spdif_mutex); | 
 | 	if (mout->dig_out_used == HDA_DIG_ANALOG_DUP) | 
 | 		/* already opened as analog dup; reset it once */ | 
 | 		snd_hda_codec_cleanup_stream(codec, mout->dig_out_nid); | 
 | 	mout->dig_out_used = HDA_DIG_EXCLUSIVE; | 
 | 	mutex_unlock(&codec->spdif_mutex); | 
 | 	return 0; | 
 | } | 
 |  | 
 | int snd_hda_multi_out_dig_prepare(struct hda_codec *codec, | 
 | 				  struct hda_multi_out *mout, | 
 | 				  unsigned int stream_tag, | 
 | 				  unsigned int format, | 
 | 				  struct snd_pcm_substream *substream) | 
 | { | 
 | 	mutex_lock(&codec->spdif_mutex); | 
 | 	setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format); | 
 | 	mutex_unlock(&codec->spdif_mutex); | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* | 
 |  * release the digital out | 
 |  */ | 
 | int snd_hda_multi_out_dig_close(struct hda_codec *codec, | 
 | 				struct hda_multi_out *mout) | 
 | { | 
 | 	mutex_lock(&codec->spdif_mutex); | 
 | 	mout->dig_out_used = 0; | 
 | 	mutex_unlock(&codec->spdif_mutex); | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* | 
 |  * set up more restrictions for analog out | 
 |  */ | 
 | int snd_hda_multi_out_analog_open(struct hda_codec *codec, | 
 | 				  struct hda_multi_out *mout, | 
 | 				  struct snd_pcm_substream *substream, | 
 | 				  struct hda_pcm_stream *hinfo) | 
 | { | 
 | 	struct snd_pcm_runtime *runtime = substream->runtime; | 
 | 	runtime->hw.channels_max = mout->max_channels; | 
 | 	if (mout->dig_out_nid) { | 
 | 		if (!mout->analog_rates) { | 
 | 			mout->analog_rates = hinfo->rates; | 
 | 			mout->analog_formats = hinfo->formats; | 
 | 			mout->analog_maxbps = hinfo->maxbps; | 
 | 		} else { | 
 | 			runtime->hw.rates = mout->analog_rates; | 
 | 			runtime->hw.formats = mout->analog_formats; | 
 | 			hinfo->maxbps = mout->analog_maxbps; | 
 | 		} | 
 | 		if (!mout->spdif_rates) { | 
 | 			snd_hda_query_supported_pcm(codec, mout->dig_out_nid, | 
 | 						    &mout->spdif_rates, | 
 | 						    &mout->spdif_formats, | 
 | 						    &mout->spdif_maxbps); | 
 | 		} | 
 | 		mutex_lock(&codec->spdif_mutex); | 
 | 		if (mout->share_spdif) { | 
 | 			runtime->hw.rates &= mout->spdif_rates; | 
 | 			runtime->hw.formats &= mout->spdif_formats; | 
 | 			if (mout->spdif_maxbps < hinfo->maxbps) | 
 | 				hinfo->maxbps = mout->spdif_maxbps; | 
 | 		} | 
 | 		mutex_unlock(&codec->spdif_mutex); | 
 | 	} | 
 | 	return snd_pcm_hw_constraint_step(substream->runtime, 0, | 
 | 					  SNDRV_PCM_HW_PARAM_CHANNELS, 2); | 
 | } | 
 |  | 
 | /* | 
 |  * set up the i/o for analog out | 
 |  * when the digital out is available, copy the front out to digital out, too. | 
 |  */ | 
 | int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, | 
 | 				     struct hda_multi_out *mout, | 
 | 				     unsigned int stream_tag, | 
 | 				     unsigned int format, | 
 | 				     struct snd_pcm_substream *substream) | 
 | { | 
 | 	hda_nid_t *nids = mout->dac_nids; | 
 | 	int chs = substream->runtime->channels; | 
 | 	int i; | 
 |  | 
 | 	mutex_lock(&codec->spdif_mutex); | 
 | 	if (mout->dig_out_nid && mout->share_spdif && | 
 | 	    mout->dig_out_used != HDA_DIG_EXCLUSIVE) { | 
 | 		if (chs == 2 && | 
 | 		    snd_hda_is_supported_format(codec, mout->dig_out_nid, | 
 | 						format) && | 
 | 		    !(codec->spdif_status & IEC958_AES0_NONAUDIO)) { | 
 | 			mout->dig_out_used = HDA_DIG_ANALOG_DUP; | 
 | 			setup_dig_out_stream(codec, mout->dig_out_nid, | 
 | 					     stream_tag, format); | 
 | 		} else { | 
 | 			mout->dig_out_used = 0; | 
 | 			snd_hda_codec_cleanup_stream(codec, mout->dig_out_nid); | 
 | 		} | 
 | 	} | 
 | 	mutex_unlock(&codec->spdif_mutex); | 
 |  | 
 | 	/* front */ | 
 | 	snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag, | 
 | 				   0, format); | 
 | 	if (!mout->no_share_stream && | 
 | 	    mout->hp_nid && mout->hp_nid != nids[HDA_FRONT]) | 
 | 		/* headphone out will just decode front left/right (stereo) */ | 
 | 		snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag, | 
 | 					   0, format); | 
 | 	/* extra outputs copied from front */ | 
 | 	for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) | 
 | 		if (!mout->no_share_stream && mout->extra_out_nid[i]) | 
 | 			snd_hda_codec_setup_stream(codec, | 
 | 						   mout->extra_out_nid[i], | 
 | 						   stream_tag, 0, format); | 
 |  | 
 | 	/* surrounds */ | 
 | 	for (i = 1; i < mout->num_dacs; i++) { | 
 | 		if (chs >= (i + 1) * 2) /* independent out */ | 
 | 			snd_hda_codec_setup_stream(codec, nids[i], stream_tag, | 
 | 						   i * 2, format); | 
 | 		else if (!mout->no_share_stream) /* copy front */ | 
 | 			snd_hda_codec_setup_stream(codec, nids[i], stream_tag, | 
 | 						   0, format); | 
 | 	} | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* | 
 |  * clean up the setting for analog out | 
 |  */ | 
 | int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec, | 
 | 				     struct hda_multi_out *mout) | 
 | { | 
 | 	hda_nid_t *nids = mout->dac_nids; | 
 | 	int i; | 
 |  | 
 | 	for (i = 0; i < mout->num_dacs; i++) | 
 | 		snd_hda_codec_cleanup_stream(codec, nids[i]); | 
 | 	if (mout->hp_nid) | 
 | 		snd_hda_codec_cleanup_stream(codec, mout->hp_nid); | 
 | 	for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) | 
 | 		if (mout->extra_out_nid[i]) | 
 | 			snd_hda_codec_cleanup_stream(codec, | 
 | 						     mout->extra_out_nid[i]); | 
 | 	mutex_lock(&codec->spdif_mutex); | 
 | 	if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) { | 
 | 		snd_hda_codec_cleanup_stream(codec, mout->dig_out_nid); | 
 | 		mout->dig_out_used = 0; | 
 | 	} | 
 | 	mutex_unlock(&codec->spdif_mutex); | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* | 
 |  * Helper for automatic ping configuration | 
 |  */ | 
 |  | 
 | static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list) | 
 | { | 
 | 	for (; *list; list++) | 
 | 		if (*list == nid) | 
 | 			return 1; | 
 | 	return 0; | 
 | } | 
 |  | 
 |  | 
 | /* | 
 |  * Sort an associated group of pins according to their sequence numbers. | 
 |  */ | 
 | static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences, | 
 | 				  int num_pins) | 
 | { | 
 | 	int i, j; | 
 | 	short seq; | 
 | 	hda_nid_t nid; | 
 | 	 | 
 | 	for (i = 0; i < num_pins; i++) { | 
 | 		for (j = i + 1; j < num_pins; j++) { | 
 | 			if (sequences[i] > sequences[j]) { | 
 | 				seq = sequences[i]; | 
 | 				sequences[i] = sequences[j]; | 
 | 				sequences[j] = seq; | 
 | 				nid = pins[i]; | 
 | 				pins[i] = pins[j]; | 
 | 				pins[j] = nid; | 
 | 			} | 
 | 		} | 
 | 	} | 
 | } | 
 |  | 
 |  | 
 | /* | 
 |  * Parse all pin widgets and store the useful pin nids to cfg | 
 |  * | 
 |  * The number of line-outs or any primary output is stored in line_outs, | 
 |  * and the corresponding output pins are assigned to line_out_pins[], | 
 |  * in the order of front, rear, CLFE, side, ... | 
 |  * | 
 |  * If more extra outputs (speaker and headphone) are found, the pins are | 
 |  * assisnged to hp_pins[] and speaker_pins[], respectively.  If no line-out jack | 
 |  * is detected, one of speaker of HP pins is assigned as the primary | 
 |  * output, i.e. to line_out_pins[0].  So, line_outs is always positive | 
 |  * if any analog output exists. | 
 |  *  | 
 |  * The analog input pins are assigned to input_pins array. | 
 |  * The digital input/output pins are assigned to dig_in_pin and dig_out_pin, | 
 |  * respectively. | 
 |  */ | 
 | int snd_hda_parse_pin_def_config(struct hda_codec *codec, | 
 | 				 struct auto_pin_cfg *cfg, | 
 | 				 hda_nid_t *ignore_nids) | 
 | { | 
 | 	hda_nid_t nid, end_nid; | 
 | 	short seq, assoc_line_out, assoc_speaker; | 
 | 	short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)]; | 
 | 	short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)]; | 
 | 	short sequences_hp[ARRAY_SIZE(cfg->hp_pins)]; | 
 |  | 
 | 	memset(cfg, 0, sizeof(*cfg)); | 
 |  | 
 | 	memset(sequences_line_out, 0, sizeof(sequences_line_out)); | 
 | 	memset(sequences_speaker, 0, sizeof(sequences_speaker)); | 
 | 	memset(sequences_hp, 0, sizeof(sequences_hp)); | 
 | 	assoc_line_out = assoc_speaker = 0; | 
 |  | 
 | 	end_nid = codec->start_nid + codec->num_nodes; | 
 | 	for (nid = codec->start_nid; nid < end_nid; nid++) { | 
 | 		unsigned int wid_caps = get_wcaps(codec, nid); | 
 | 		unsigned int wid_type = | 
 | 			(wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT; | 
 | 		unsigned int def_conf; | 
 | 		short assoc, loc; | 
 |  | 
 | 		/* read all default configuration for pin complex */ | 
 | 		if (wid_type != AC_WID_PIN) | 
 | 			continue; | 
 | 		/* ignore the given nids (e.g. pc-beep returns error) */ | 
 | 		if (ignore_nids && is_in_nid_list(nid, ignore_nids)) | 
 | 			continue; | 
 |  | 
 | 		def_conf = snd_hda_codec_read(codec, nid, 0, | 
 | 					      AC_VERB_GET_CONFIG_DEFAULT, 0); | 
 | 		if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE) | 
 | 			continue; | 
 | 		loc = get_defcfg_location(def_conf); | 
 | 		switch (get_defcfg_device(def_conf)) { | 
 | 		case AC_JACK_LINE_OUT: | 
 | 			seq = get_defcfg_sequence(def_conf); | 
 | 			assoc = get_defcfg_association(def_conf); | 
 |  | 
 | 			if (!(wid_caps & AC_WCAP_STEREO)) | 
 | 				if (!cfg->mono_out_pin) | 
 | 					cfg->mono_out_pin = nid; | 
 | 			if (!assoc) | 
 | 				continue; | 
 | 			if (!assoc_line_out) | 
 | 				assoc_line_out = assoc; | 
 | 			else if (assoc_line_out != assoc) | 
 | 				continue; | 
 | 			if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins)) | 
 | 				continue; | 
 | 			cfg->line_out_pins[cfg->line_outs] = nid; | 
 | 			sequences_line_out[cfg->line_outs] = seq; | 
 | 			cfg->line_outs++; | 
 | 			break; | 
 | 		case AC_JACK_SPEAKER: | 
 | 			seq = get_defcfg_sequence(def_conf); | 
 | 			assoc = get_defcfg_association(def_conf); | 
 | 			if (! assoc) | 
 | 				continue; | 
 | 			if (! assoc_speaker) | 
 | 				assoc_speaker = assoc; | 
 | 			else if (assoc_speaker != assoc) | 
 | 				continue; | 
 | 			if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins)) | 
 | 				continue; | 
 | 			cfg->speaker_pins[cfg->speaker_outs] = nid; | 
 | 			sequences_speaker[cfg->speaker_outs] = seq; | 
 | 			cfg->speaker_outs++; | 
 | 			break; | 
 | 		case AC_JACK_HP_OUT: | 
 | 			seq = get_defcfg_sequence(def_conf); | 
 | 			assoc = get_defcfg_association(def_conf); | 
 | 			if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins)) | 
 | 				continue; | 
 | 			cfg->hp_pins[cfg->hp_outs] = nid; | 
 | 			sequences_hp[cfg->hp_outs] = (assoc << 4) | seq; | 
 | 			cfg->hp_outs++; | 
 | 			break; | 
 | 		case AC_JACK_MIC_IN: { | 
 | 			int preferred, alt; | 
 | 			if (loc == AC_JACK_LOC_FRONT) { | 
 | 				preferred = AUTO_PIN_FRONT_MIC; | 
 | 				alt = AUTO_PIN_MIC; | 
 | 			} else { | 
 | 				preferred = AUTO_PIN_MIC; | 
 | 				alt = AUTO_PIN_FRONT_MIC; | 
 | 			} | 
 | 			if (!cfg->input_pins[preferred]) | 
 | 				cfg->input_pins[preferred] = nid; | 
 | 			else if (!cfg->input_pins[alt]) | 
 | 				cfg->input_pins[alt] = nid; | 
 | 			break; | 
 | 		} | 
 | 		case AC_JACK_LINE_IN: | 
 | 			if (loc == AC_JACK_LOC_FRONT) | 
 | 				cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid; | 
 | 			else | 
 | 				cfg->input_pins[AUTO_PIN_LINE] = nid; | 
 | 			break; | 
 | 		case AC_JACK_CD: | 
 | 			cfg->input_pins[AUTO_PIN_CD] = nid; | 
 | 			break; | 
 | 		case AC_JACK_AUX: | 
 | 			cfg->input_pins[AUTO_PIN_AUX] = nid; | 
 | 			break; | 
 | 		case AC_JACK_SPDIF_OUT: | 
 | 			cfg->dig_out_pin = nid; | 
 | 			break; | 
 | 		case AC_JACK_SPDIF_IN: | 
 | 			cfg->dig_in_pin = nid; | 
 | 			break; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	/* FIX-UP: | 
 | 	 * If no line-out is defined but multiple HPs are found, | 
 | 	 * some of them might be the real line-outs. | 
 | 	 */ | 
 | 	if (!cfg->line_outs && cfg->hp_outs > 1) { | 
 | 		int i = 0; | 
 | 		while (i < cfg->hp_outs) { | 
 | 			/* The real HPs should have the sequence 0x0f */ | 
 | 			if ((sequences_hp[i] & 0x0f) == 0x0f) { | 
 | 				i++; | 
 | 				continue; | 
 | 			} | 
 | 			/* Move it to the line-out table */ | 
 | 			cfg->line_out_pins[cfg->line_outs] = cfg->hp_pins[i]; | 
 | 			sequences_line_out[cfg->line_outs] = sequences_hp[i]; | 
 | 			cfg->line_outs++; | 
 | 			cfg->hp_outs--; | 
 | 			memmove(cfg->hp_pins + i, cfg->hp_pins + i + 1, | 
 | 				sizeof(cfg->hp_pins[0]) * (cfg->hp_outs - i)); | 
 | 			memmove(sequences_hp + i - 1, sequences_hp + i, | 
 | 				sizeof(sequences_hp[0]) * (cfg->hp_outs - i)); | 
 | 		} | 
 | 	} | 
 |  | 
 | 	/* sort by sequence */ | 
 | 	sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out, | 
 | 			      cfg->line_outs); | 
 | 	sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker, | 
 | 			      cfg->speaker_outs); | 
 | 	sort_pins_by_sequence(cfg->hp_pins, sequences_hp, | 
 | 			      cfg->hp_outs); | 
 | 	 | 
 | 	/* if we have only one mic, make it AUTO_PIN_MIC */ | 
 | 	if (!cfg->input_pins[AUTO_PIN_MIC] && | 
 | 	    cfg->input_pins[AUTO_PIN_FRONT_MIC]) { | 
 | 		cfg->input_pins[AUTO_PIN_MIC] = | 
 | 			cfg->input_pins[AUTO_PIN_FRONT_MIC]; | 
 | 		cfg->input_pins[AUTO_PIN_FRONT_MIC] = 0; | 
 | 	} | 
 | 	/* ditto for line-in */ | 
 | 	if (!cfg->input_pins[AUTO_PIN_LINE] && | 
 | 	    cfg->input_pins[AUTO_PIN_FRONT_LINE]) { | 
 | 		cfg->input_pins[AUTO_PIN_LINE] = | 
 | 			cfg->input_pins[AUTO_PIN_FRONT_LINE]; | 
 | 		cfg->input_pins[AUTO_PIN_FRONT_LINE] = 0; | 
 | 	} | 
 |  | 
 | 	/* | 
 | 	 * FIX-UP: if no line-outs are detected, try to use speaker or HP pin | 
 | 	 * as a primary output | 
 | 	 */ | 
 | 	if (!cfg->line_outs) { | 
 | 		if (cfg->speaker_outs) { | 
 | 			cfg->line_outs = cfg->speaker_outs; | 
 | 			memcpy(cfg->line_out_pins, cfg->speaker_pins, | 
 | 			       sizeof(cfg->speaker_pins)); | 
 | 			cfg->speaker_outs = 0; | 
 | 			memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins)); | 
 | 			cfg->line_out_type = AUTO_PIN_SPEAKER_OUT; | 
 | 		} else if (cfg->hp_outs) { | 
 | 			cfg->line_outs = cfg->hp_outs; | 
 | 			memcpy(cfg->line_out_pins, cfg->hp_pins, | 
 | 			       sizeof(cfg->hp_pins)); | 
 | 			cfg->hp_outs = 0; | 
 | 			memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins)); | 
 | 			cfg->line_out_type = AUTO_PIN_HP_OUT; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	/* Reorder the surround channels | 
 | 	 * ALSA sequence is front/surr/clfe/side | 
 | 	 * HDA sequence is: | 
 | 	 *    4-ch: front/surr  =>  OK as it is | 
 | 	 *    6-ch: front/clfe/surr | 
 | 	 *    8-ch: front/clfe/rear/side|fc | 
 | 	 */ | 
 | 	switch (cfg->line_outs) { | 
 | 	case 3: | 
 | 	case 4: | 
 | 		nid = cfg->line_out_pins[1]; | 
 | 		cfg->line_out_pins[1] = cfg->line_out_pins[2]; | 
 | 		cfg->line_out_pins[2] = nid; | 
 | 		break; | 
 | 	} | 
 |  | 
 | 	/* | 
 | 	 * debug prints of the parsed results | 
 | 	 */ | 
 | 	snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n", | 
 | 		   cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1], | 
 | 		   cfg->line_out_pins[2], cfg->line_out_pins[3], | 
 | 		   cfg->line_out_pins[4]); | 
 | 	snd_printd("   speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n", | 
 | 		   cfg->speaker_outs, cfg->speaker_pins[0], | 
 | 		   cfg->speaker_pins[1], cfg->speaker_pins[2], | 
 | 		   cfg->speaker_pins[3], cfg->speaker_pins[4]); | 
 | 	snd_printd("   hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n", | 
 | 		   cfg->hp_outs, cfg->hp_pins[0], | 
 | 		   cfg->hp_pins[1], cfg->hp_pins[2], | 
 | 		   cfg->hp_pins[3], cfg->hp_pins[4]); | 
 | 	snd_printd("   mono: mono_out=0x%x\n", cfg->mono_out_pin); | 
 | 	snd_printd("   inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x," | 
 | 		   " cd=0x%x, aux=0x%x\n", | 
 | 		   cfg->input_pins[AUTO_PIN_MIC], | 
 | 		   cfg->input_pins[AUTO_PIN_FRONT_MIC], | 
 | 		   cfg->input_pins[AUTO_PIN_LINE], | 
 | 		   cfg->input_pins[AUTO_PIN_FRONT_LINE], | 
 | 		   cfg->input_pins[AUTO_PIN_CD], | 
 | 		   cfg->input_pins[AUTO_PIN_AUX]); | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* labels for input pins */ | 
 | const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = { | 
 | 	"Mic", "Front Mic", "Line", "Front Line", "CD", "Aux" | 
 | }; | 
 |  | 
 |  | 
 | #ifdef CONFIG_PM | 
 | /* | 
 |  * power management | 
 |  */ | 
 |  | 
 | /** | 
 |  * snd_hda_suspend - suspend the codecs | 
 |  * @bus: the HDA bus | 
 |  * @state: suspsend state | 
 |  * | 
 |  * Returns 0 if successful. | 
 |  */ | 
 | int snd_hda_suspend(struct hda_bus *bus, pm_message_t state) | 
 | { | 
 | 	struct hda_codec *codec; | 
 |  | 
 | 	list_for_each_entry(codec, &bus->codec_list, list) { | 
 | #ifdef CONFIG_SND_HDA_POWER_SAVE | 
 | 		if (!codec->power_on) | 
 | 			continue; | 
 | #endif | 
 | 		hda_call_codec_suspend(codec); | 
 | 	} | 
 | 	return 0; | 
 | } | 
 |  | 
 | /** | 
 |  * snd_hda_resume - resume the codecs | 
 |  * @bus: the HDA bus | 
 |  * @state: resume state | 
 |  * | 
 |  * Returns 0 if successful. | 
 |  * | 
 |  * This fucntion is defined only when POWER_SAVE isn't set. | 
 |  * In the power-save mode, the codec is resumed dynamically. | 
 |  */ | 
 | int snd_hda_resume(struct hda_bus *bus) | 
 | { | 
 | 	struct hda_codec *codec; | 
 |  | 
 | 	list_for_each_entry(codec, &bus->codec_list, list) { | 
 | 		if (snd_hda_codec_needs_resume(codec)) | 
 | 			hda_call_codec_resume(codec); | 
 | 	} | 
 | 	return 0; | 
 | } | 
 | #ifdef CONFIG_SND_HDA_POWER_SAVE | 
 | int snd_hda_codecs_inuse(struct hda_bus *bus) | 
 | { | 
 | 	struct hda_codec *codec; | 
 |  | 
 | 	list_for_each_entry(codec, &bus->codec_list, list) { | 
 | 		if (snd_hda_codec_needs_resume(codec)) | 
 | 			return 1; | 
 | 	} | 
 | 	return 0; | 
 | } | 
 | #endif | 
 | #endif |