path: root/sound/pci/hda/hda_local.h

/*
 * Universal Interface for Intel High Definition Audio Codec
 *
 * Local helper functions
 *
 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
 *
 *  This program 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 program 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.
 */

#ifndef __SOUND_HDA_LOCAL_H
#define __SOUND_HDA_LOCAL_H

/*
 * for mixer controls
 */
#define HDA_COMPOSE_AMP_VAL_OFS(nid,chs,idx,dir,ofs)		\
	((nid) | ((chs)<<16) | ((dir)<<18) | ((idx)<<19) | ((ofs)<<23))
#define HDA_COMPOSE_AMP_VAL(nid,chs,idx,dir) \
	HDA_COMPOSE_AMP_VAL_OFS(nid, chs, idx, dir, 0)
/* mono volume with index (index=0,1,...) (channel=1,2) */
#define HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx,  \
	  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
	  	    SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
	  	    SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
	  .info = snd_hda_mixer_amp_volume_info, \
	  .get = snd_hda_mixer_amp_volume_get, \
	  .put = snd_hda_mixer_amp_volume_put, \
	  .tlv = { .c = snd_hda_mixer_amp_tlv },		\
	  .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
/* stereo volume with index */
#define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \
	HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
/* mono volume */
#define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \
	HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction)
/* stereo volume */
#define HDA_CODEC_VOLUME(xname, nid, xindex, direction) \
	HDA_CODEC_VOLUME_MONO(xname, nid, 3, xindex, direction)
/* mono mute switch with index (index=0,1,...) (channel=1,2) */
#define HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
	  .info = snd_hda_mixer_amp_switch_info, \
	  .get = snd_hda_mixer_amp_switch_get, \
	  .put = snd_hda_mixer_amp_switch_put, \
	  .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
/* stereo mute switch with index */
#define HDA_CODEC_MUTE_IDX(xname, xcidx, nid, xindex, direction) \
	HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
/* mono mute switch */
#define HDA_CODEC_MUTE_MONO(xname, nid, channel, xindex, direction) \
	HDA_CODEC_MUTE_MONO_IDX(xname, 0, nid, channel, xindex, direction)
/* stereo mute switch */
#define HDA_CODEC_MUTE(xname, nid, xindex, direction) \
	HDA_CODEC_MUTE_MONO(xname, nid, 3, xindex, direction)

int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_info *uinfo);
int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol);
int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol);
int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
			  unsigned int size, unsigned int __user *tlv);
int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_info *uinfo);
int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol);
int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol);
/* lowlevel accessor with caching; use carefully */
int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
			   int direction, int index);
int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
			     int direction, int idx, int mask, int val);
int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
			     int dir, int idx, int mask, int val);
#ifdef SND_HDA_NEEDS_RESUME
void snd_hda_codec_resume_amp(struct hda_codec *codec);
#endif

void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
			     unsigned int *tlv);
struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
					    const char *name);
int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
			unsigned int *tlv, const char **slaves);
int snd_hda_codec_reset(struct hda_codec *codec);
int snd_hda_codec_configure(struct hda_codec *codec);

/* amp value bits */
#define HDA_AMP_MUTE	0x80
#define HDA_AMP_UNMUTE	0x00
#define HDA_AMP_VOLMASK	0x7f

/* mono switch binding multiple inputs */
#define HDA_BIND_MUTE_MONO(xname, nid, channel, indices, direction) \
	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0,  \
	  .info = snd_hda_mixer_amp_switch_info, \
	  .get = snd_hda_mixer_bind_switch_get, \
	  .put = snd_hda_mixer_bind_switch_put, \
	  .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, indices, direction) }

/* stereo switch binding multiple inputs */
#define HDA_BIND_MUTE(xname,nid,indices,dir) \
	HDA_BIND_MUTE_MONO(xname,nid,3,indices,dir)

int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol);
int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol);

/* more generic bound controls */
struct hda_ctl_ops {
	snd_kcontrol_info_t *info;
	snd_kcontrol_get_t *get;
	snd_kcontrol_put_t *put;
	snd_kcontrol_tlv_rw_t *tlv;
};

extern struct hda_ctl_ops snd_hda_bind_vol;	/* for bind-volume with TLV */
extern struct hda_ctl_ops snd_hda_bind_sw;	/* for bind-switch */

struct hda_bind_ctls {
	struct hda_ctl_ops *ops;
	unsigned long values[];
};

int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_info *uinfo);
int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol);
int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol);
int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
			   unsigned int size, unsigned int __user *tlv);

#define HDA_BIND_VOL(xname, bindrec) \
	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
	  .name = xname, \
	  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
			  SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
			  SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK,\
	  .info = snd_hda_mixer_bind_ctls_info,\
	  .get =  snd_hda_mixer_bind_ctls_get,\
	  .put = snd_hda_mixer_bind_ctls_put,\
	  .tlv = { .c = snd_hda_mixer_bind_tlv },\
	  .private_value = (long) (bindrec) }
#define HDA_BIND_SW(xname, bindrec) \
	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
	  .name = xname, \
	  .info = snd_hda_mixer_bind_ctls_info,\
	  .get =  snd_hda_mixer_bind_ctls_get,\
	  .put = snd_hda_mixer_bind_ctls_put,\
	  .private_value = (long) (bindrec) }

/*
 * SPDIF I/O
 */
int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid);
int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);

/*
 * input MUX helper
 */
#define HDA_MAX_NUM_INPUTS	16
struct hda_input_mux_item {
	const char *label;
	unsigned int index;
};
struct hda_input_mux {
	unsigned int num_items;
	struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
};

int snd_hda_input_mux_info(const struct hda_input_mux *imux,
			   struct snd_ctl_elem_info *uinfo);
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);

/*
 * Channel mode helper
 */
struct hda_channel_mode {
	int channels;
	const struct hda_verb *sequence;
};

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);
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 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);

/*
 * Multi-channel / digital-out PCM helper
 */

enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */

struct hda_multi_out {
	int num_dacs;		/* # of DACs, must be more than 1 */
	hda_nid_t *dac_nids;	/* DAC list */
	hda_nid_t hp_nid;	/* optional DAC for HP, 0 when not exists */
	hda_nid_t extra_out_nid[3];	/* optional DACs, 0 when not exists */
	hda_nid_t dig_out_nid;	/* digital out audio widget */
	hda_nid_t *slave_dig_outs;
	int max_channels;	/* currently supported analog channels */
	int dig_out_used;	/* current usage of digital out (HDA_DIG_XXX) */
	int no_share_stream;	/* don't share a stream with multiple pins */
	int share_spdif;	/* share SPDIF pin */
	/* PCM information for both analog and SPDIF DACs */
	unsigned int analog_rates;
	unsigned int analog_maxbps;
	u64 analog_formats;
	unsigned int spdif_rates;
	unsigned int spdif_maxbps;
	u64 spdif_formats;
};

int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
				  struct hda_multi_out *mout);
int snd_hda_multi_out_dig_open(struct hda_codec *codec,
			       struct hda_multi_out *mout);
int snd_hda_multi_out_dig_close(struct hda_codec *codec,
				struct hda_multi_out *mout);
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);
int snd_hda_multi_out_dig_cleanup(struct hda_codec