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linux_dsm_epyc7002/sound/pci/hda/hda_generic.h
Takashi Iwai acc47aafcf ALSA: hda - Give more comments to hda_gen_spec flags 
Since we have many bit flags in hda_gen_spec, rearrange in sections
and give more comments there.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-01-16 18:28:38 +01:00

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/*
* Generic BIOS auto-parser helper functions for HD-audio
*
* Copyright (c) 2012 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.
*/
#ifndef __SOUND_HDA_GENERIC_H
#define __SOUND_HDA_GENERIC_H
/* unsol event tags */
enum {
HDA_GEN_HP_EVENT = 1, HDA_GEN_FRONT_EVENT, HDA_GEN_MIC_EVENT,
HDA_GEN_LAST_EVENT = HDA_GEN_MIC_EVENT
};
/* table entry for multi-io paths */
struct hda_multi_io {
hda_nid_t pin; /* multi-io widget pin NID */
hda_nid_t dac; /* DAC to be connected */
unsigned int ctl_in; /* cached input-pin control value */
};
/* Widget connection path
*
* For output, stored in the order of DAC -> ... -> pin,
* for input, pin -> ... -> ADC.
*
* idx[i] contains the source index number to select on of the widget path[i];
* e.g. idx[1] is the index of the DAC (path[0]) selected by path[1] widget
* multi[] indicates whether it's a selector widget with multi-connectors
* (i.e. the connection selection is mandatory)
* vol_ctl and mute_ctl contains the NIDs for the assigned mixers
*/
#define MAX_NID_PATH_DEPTH 10
enum {
NID_PATH_VOL_CTL,
NID_PATH_MUTE_CTL,
NID_PATH_BOOST_CTL,
NID_PATH_NUM_CTLS
};
struct nid_path {
int depth;
hda_nid_t path[MAX_NID_PATH_DEPTH];
unsigned char idx[MAX_NID_PATH_DEPTH];
unsigned char multi[MAX_NID_PATH_DEPTH];
unsigned int ctls[NID_PATH_NUM_CTLS]; /* NID_PATH_XXX_CTL */
bool active;
};
/* mic/line-in auto switching entry */
#define MAX_AUTO_MIC_PINS 3
struct automic_entry {
hda_nid_t pin; /* pin */
int idx; /* imux index, -1 = invalid */
unsigned int attr; /* pin attribute (INPUT_PIN_ATTR_*) */
};
/* active stream id */
enum { STREAM_MULTI_OUT, STREAM_INDEP_HP };
/* PCM hook action */
enum {
HDA_GEN_PCM_ACT_OPEN,
HDA_GEN_PCM_ACT_PREPARE,
HDA_GEN_PCM_ACT_CLEANUP,
HDA_GEN_PCM_ACT_CLOSE,
};
struct hda_gen_spec {
char stream_name_analog[32]; /* analog PCM stream */
const struct hda_pcm_stream *stream_analog_playback;
const struct hda_pcm_stream *stream_analog_capture;
const struct hda_pcm_stream *stream_analog_alt_playback;
const struct hda_pcm_stream *stream_analog_alt_capture;
char stream_name_digital[32]; /* digital PCM stream */
const struct hda_pcm_stream *stream_digital_playback;
const struct hda_pcm_stream *stream_digital_capture;
/* PCM */
unsigned int active_streams;
struct mutex pcm_mutex;
/* playback */
struct hda_multi_out multiout; /* playback set-up
* max_channels, dacs must be set
* dig_out_nid and hp_nid are optional
*/
hda_nid_t alt_dac_nid;
hda_nid_t slave_dig_outs[3]; /* optional - for auto-parsing */
int dig_out_type;
/* capture */
unsigned int num_adc_nids;
hda_nid_t adc_nids[AUTO_CFG_MAX_OUTS];
hda_nid_t dig_in_nid; /* digital-in NID; optional */
hda_nid_t mixer_nid; /* analog-mixer NID */
/* capture setup for dynamic dual-adc switch */
hda_nid_t cur_adc;
unsigned int cur_adc_stream_tag;
unsigned int cur_adc_format;
/* capture source */
struct hda_input_mux input_mux;
unsigned int cur_mux[3];
/* channel model */
/* min_channel_count contains the minimum channel count for primary
* outputs. When multi_ios is set, the channels can be configured
* between min_channel_count and (min_channel_count + multi_ios * 2).
*
* ext_channel_count contains the current channel count of the primary
* out. This varies in the range above.
*
* Meanwhile, const_channel_count is the channel count for all outputs
* including headphone and speakers. It's a constant value, and the
* PCM is set up as max(ext_channel_count, const_channel_count).
*/
int min_channel_count; /* min. channel count for primary out */
int ext_channel_count; /* current channel count for primary */
int const_channel_count; /* channel count for all */
/* PCM information */
struct hda_pcm pcm_rec[3]; /* used in build_pcms() */
/* dynamic controls, init_verbs and input_mux */
struct auto_pin_cfg autocfg;
struct snd_array kctls;
hda_nid_t private_dac_nids[AUTO_CFG_MAX_OUTS];
hda_nid_t imux_pins[HDA_MAX_NUM_INPUTS];
unsigned int dyn_adc_idx[HDA_MAX_NUM_INPUTS];
hda_nid_t shared_mic_vref_pin;
/* DAC list */
int num_all_dacs;
hda_nid_t all_dacs[16];
/* path list */
struct snd_array paths;
/* path indices */
int out_paths[AUTO_CFG_MAX_OUTS];
int hp_paths[AUTO_CFG_MAX_OUTS];
int speaker_paths[AUTO_CFG_MAX_OUTS];
int aamix_out_paths[3];
int digout_paths[AUTO_CFG_MAX_OUTS];
int input_paths[HDA_MAX_NUM_INPUTS][AUTO_CFG_MAX_OUTS];
int loopback_paths[HDA_MAX_NUM_INPUTS];
int digin_path;
/* auto-mic stuff */
int am_num_entries;
struct automic_entry am_entry[MAX_AUTO_MIC_PINS];
/* for pin sensing */
/* current status; set in hda_geneic.c */
unsigned int hp_jack_present:1;
unsigned int line_jack_present:1;
unsigned int speaker_muted:1; /* current status of speaker mute */
unsigned int line_out_muted:1; /* current status of LO mute */
/* internal states of automute / autoswitch behavior */
unsigned int auto_mic:1;
unsigned int automute_speaker:1; /* automute speaker outputs */
unsigned int automute_lo:1; /* automute LO outputs */
/* capabilities detected by parser */
unsigned int detect_hp:1; /* Headphone detection enabled */
unsigned int detect_lo:1; /* Line-out detection enabled */
unsigned int automute_speaker_possible:1; /* there are speakers and either LO or HP */
unsigned int automute_lo_possible:1; /* there are line outs and HP */
/* additional parameters set by codec drivers */
unsigned int master_mute:1; /* master mute over all */
unsigned int keep_vref_in_automute:1; /* Don't clear VREF in automute */
unsigned int line_in_auto_switch:1; /* allow line-in auto switch */
/* parser behavior flags; set before snd_hda_gen_parse_auto_config() */
unsigned int suppress_auto_mute:1; /* suppress input jack auto mute */
unsigned int suppress_auto_mic:1; /* suppress input jack auto switch */
/* other parse behavior flags */
unsigned int need_dac_fix:1; /* need to limit DACs for multi channels */
unsigned int shared_mic_hp:1; /* HP/Mic-in sharing */
unsigned int no_primary_hp:1; /* Don't prefer HP pins to speaker pins */
unsigned int multi_cap_vol:1; /* allow multiple capture xxx volumes */
unsigned int inv_dmic_split:1; /* inverted dmic w/a for conexant */
unsigned int own_eapd_ctl:1; /* set EAPD by own function */
unsigned int vmaster_mute_enum:1; /* add vmaster mute mode enum */
unsigned int indep_hp:1; /* independent HP supported */
unsigned int prefer_hp_amp:1; /* enable HP amp for speaker if any */
unsigned int add_stereo_mix_input:1; /* add aamix as a capture src */
unsigned int add_out_jack_modes:1; /* add output jack mode enum ctls */
/* other internal flags */
unsigned int no_analog:1; /* digital I/O only */
unsigned int dyn_adc_switch:1; /* switch ADCs (for ALC275) */
unsigned int indep_hp_enabled:1; /* independent HP enabled */
/* loopback mixing mode */
bool aamix_mode;
/* for virtual master */
hda_nid_t vmaster_nid;
struct hda_vmaster_mute_hook vmaster_mute;
#ifdef CONFIG_PM
struct hda_loopback_check loopback;
int num_loopbacks;
struct hda_amp_list loopback_list[8];
#endif
/* multi-io */
int multi_ios;
struct hda_multi_io multi_io[4];
/* hooks */
void (*init_hook)(struct hda_codec *codec);
void (*automute_hook)(struct hda_codec *codec);
void (*cap_sync_hook)(struct hda_codec *codec);
/* PCM playback hook */
void (*pcm_playback_hook)(struct hda_pcm_stream *hinfo,
struct hda_codec *codec,
struct snd_pcm_substream *substream,
int action);
/* automute / autoswitch hooks */
void (*hp_automute_hook)(struct hda_codec *codec,
struct hda_jack_tbl *tbl);
void (*line_automute_hook)(struct hda_codec *codec,
struct hda_jack_tbl *tbl);
void (*mic_autoswitch_hook)(struct hda_codec *codec,
struct hda_jack_tbl *tbl);
/* capture switch hook (for mic-mute LED) */
void (*capture_switch_hook)(struct hda_codec *codec, bool enable);
};
int snd_hda_gen_spec_init(struct hda_gen_spec *spec);
void snd_hda_gen_spec_free(struct hda_gen_spec *spec);
int snd_hda_gen_init(struct hda_codec *codec);
void snd_hda_gen_free(struct hda_codec *codec);
struct nid_path *snd_hda_get_nid_path(struct hda_codec *codec,
hda_nid_t from_nid, hda_nid_t to_nid);
int snd_hda_get_path_idx(struct hda_codec *codec, struct nid_path *path);
struct nid_path *snd_hda_get_path_from_idx(struct hda_codec *codec, int idx);
bool snd_hda_parse_nid_path(struct hda_codec *codec, hda_nid_t from_nid,
hda_nid_t to_nid, int anchor_nid,
struct nid_path *path);
struct nid_path *
snd_hda_add_new_path(struct hda_codec *codec, hda_nid_t from_nid,
hda_nid_t to_nid, int anchor_nid);
void snd_hda_activate_path(struct hda_codec *codec, struct nid_path *path,
bool enable, bool add_aamix);
struct snd_kcontrol_new *
snd_hda_gen_add_kctl(struct hda_gen_spec *spec, const char *name,
const struct snd_kcontrol_new *temp);
int snd_hda_gen_parse_auto_config(struct hda_codec *codec,
struct auto_pin_cfg *cfg);
int snd_hda_gen_build_controls(struct hda_codec *codec);
int snd_hda_gen_build_pcms(struct hda_codec *codec);
/* standard jack event callbacks */
void snd_hda_gen_hp_automute(struct hda_codec *codec,
struct hda_jack_tbl *jack);
void snd_hda_gen_line_automute(struct hda_codec *codec,
struct hda_jack_tbl *jack);
void snd_hda_gen_mic_autoswitch(struct hda_codec *codec,
struct hda_jack_tbl *jack);
void snd_hda_gen_update_outputs(struct hda_codec *codec);
#ifdef CONFIG_PM
int snd_hda_gen_check_power_status(struct hda_codec *codec, hda_nid_t nid);
#endif
#endif /* __SOUND_HDA_GENERIC_H */
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