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kernel-fxtec-pro1x/sound/pci/hda/hda_local.h
Robin H. Johnson 35e8901e4d ALSA: HDA: hda_local: Less magic numbers. 
Explain some of the magic numbers I saw while trying to fix the AD1989 SPDIF
issue. Maybe should just use the expanded form directly in the verbs?

Signed-off-by: Robin H. Johnson <robbat2@gentoo.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-09-23 08:18:01 +02:00

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/*
* 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(nid,chs,idx,dir) \
((nid) | ((chs)<<16) | ((dir)<<18) | ((idx)<<19))
/* 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);
/* 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;
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 */
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_analog_open(struct hda_codec *codec,
struct hda_multi_out *mout,
struct snd_pcm_substream *substream,
struct hda_pcm_stream *hinfo);
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);
int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
struct hda_multi_out *mout);
/*
* generic codec parser
*/
#ifdef CONFIG_SND_HDA_GENERIC
int snd_hda_parse_generic_codec(struct hda_codec *codec);
#else
static inline int snd_hda_parse_generic_codec(struct hda_codec *codec)
{
return -ENODEV;
}
#endif
/*
* generic proc interface
*/
#ifdef CONFIG_PROC_FS
int snd_hda_codec_proc_new(struct hda_codec *codec);
#else
static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
#endif
/*
* Misc
*/
int snd_hda_check_board_config(struct hda_codec *codec, int num_configs,
const char **modelnames,
const struct snd_pci_quirk *pci_list);
int snd_hda_add_new_ctls(struct hda_codec *codec,
struct snd_kcontrol_new *knew);
/*
* unsolicited event handler
*/
#define HDA_UNSOL_QUEUE_SIZE 64
struct hda_bus_unsolicited {
/* ring buffer */
u32 queue[HDA_UNSOL_QUEUE_SIZE * 2];
unsigned int rp, wp;
/* workqueue */
struct work_struct work;
struct hda_bus *bus;
};
/*
* Helper for automatic ping configuration
*/
enum {
AUTO_PIN_MIC,
AUTO_PIN_FRONT_MIC,
AUTO_PIN_LINE,
AUTO_PIN_FRONT_LINE,
AUTO_PIN_CD,
AUTO_PIN_AUX,
AUTO_PIN_LAST
};
enum {
AUTO_PIN_LINE_OUT,
AUTO_PIN_SPEAKER_OUT,
AUTO_PIN_HP_OUT
};
extern const char *auto_pin_cfg_labels[AUTO_PIN_LAST];
#define AUTO_CFG_MAX_OUTS 5
struct auto_pin_cfg {
int line_outs;
/* sorted in the order of Front/Surr/CLFE/Side */
hda_nid_t line_out_pins[AUTO_CFG_MAX_OUTS];
int speaker_outs;
hda_nid_t speaker_pins[AUTO_CFG_MAX_OUTS];
int hp_outs;
int line_out_type; /* AUTO_PIN_XXX_OUT */
hda_nid_t hp_pins[AUTO_CFG_MAX_OUTS];
hda_nid_t input_pins[AUTO_PIN_LAST];
hda_nid_t dig_out_pin;
hda_nid_t dig_in_pin;
hda_nid_t mono_out_pin;
};
#define get_defcfg_connect(cfg) \
((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)
#define get_defcfg_association(cfg) \
((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT)
#define get_defcfg_location(cfg) \
((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
#define get_defcfg_sequence(cfg) \
(cfg & AC_DEFCFG_SEQUENCE)
#define get_defcfg_device(cfg) \
((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
int snd_hda_parse_pin_def_config(struct hda_codec *codec,
struct auto_pin_cfg *cfg,
hda_nid_t *ignore_nids);
/* amp values */
#define AMP_IN_MUTE(idx) (0x7080 | ((idx)<<8))
#define AMP_IN_UNMUTE(idx) (0x7000 | ((idx)<<8))
#define AMP_OUT_MUTE 0xb080
#define AMP_OUT_UNMUTE 0xb000
#define AMP_OUT_ZERO 0xb000
/* pinctl values */
#define PIN_IN (AC_PINCTL_IN_EN)
#define PIN_VREFHIZ (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ)
#define PIN_VREF50 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50)
#define PIN_VREFGRD (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD)
#define PIN_VREF80 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80)
#define PIN_VREF100 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100)
#define PIN_OUT (AC_PINCTL_OUT_EN)
#define PIN_HP (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN)
#define PIN_HP_AMP (AC_PINCTL_HP_EN)
/*
* get widget capabilities
*/
static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
{
if (nid < codec->start_nid ||
nid >= codec->start_nid + codec->num_nodes)
return 0;
return codec->wcaps[nid - codec->start_nid];
}
u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
unsigned int caps);
/*
* hwdep interface
*/
int snd_hda_create_hwdep(struct hda_codec *codec);
/*
* power-management
*/
#ifdef CONFIG_SND_HDA_POWER_SAVE
void snd_hda_schedule_power_save(struct hda_codec *codec);
struct hda_amp_list {
hda_nid_t nid;
unsigned char dir;
unsigned char idx;
};
struct hda_loopback_check {
struct hda_amp_list *amplist;
int power_on;
};
int snd_hda_check_amp_list_power(struct hda_codec *codec,
struct hda_loopback_check *check,
hda_nid_t nid);
#endif /* CONFIG_SND_HDA_POWER_SAVE */
/*
* 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)
#endif /* __SOUND_HDA_LOCAL_H */
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