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/* SPDX-License-Identifier: GPL-2.0-or-later */
* Generic BIOS auto-parser helper functions for HD-audio
* Copyright (c) 2012 Takashi Iwai <>
#include <linux/leds.h>
/* 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
enum {
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:1; /* activated by driver */
bool pin_enabled:1; /* pins are enabled */
bool pin_fixed:1; /* path with fixed pin */
bool stream_enabled:1; /* stream is active */
/* mic/line-in auto switching entry */
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 */
/* PCM hook action */
enum {
/* DAC assignment badness table */
struct badness_table {
int no_primary_dac; /* no primary DAC */
int no_dac; /* no secondary DACs */
int shared_primary; /* primary DAC is shared with main output */
int shared_surr; /* secondary DAC shared with main or primary */
int shared_clfe; /* third DAC shared with main or primary */
int shared_surr_main; /* secondary DAC sahred with main/DAC0 */
extern const struct badness_table hda_main_out_badness;
extern const struct badness_table hda_extra_out_badness;
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;
char stream_name_alt_analog[32]; /* alternative analog PCM stream */
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 follower_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_INS];
hda_nid_t dig_in_nid; /* digital-in NID; optional */
hda_nid_t mixer_nid; /* analog-mixer NID */
hda_nid_t mixer_merge_nid; /* aamix merge-point NID (optional) */
const char *input_labels[HDA_MAX_NUM_INPUTS];
int input_label_idxs[HDA_MAX_NUM_INPUTS];
/* 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];
/* shared hp/mic */
hda_nid_t shared_mic_vref_pin;
hda_nid_t hp_mic_pin;
int hp_mic_mux_idx;
/* DAC/ADC lists */
int num_all_dacs;
hda_nid_t all_dacs[16];
int num_all_adcs;
hda_nid_t all_adcs[AUTO_CFG_MAX_INS];
/* 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 loopback_paths[HDA_MAX_NUM_INPUTS];
int loopback_merge_path;
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 */
unsigned int auto_mute_via_amp:1; /* auto-mute via amp instead of pinctl */
/* 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 hp_mic:1; /* Allow HP as a mic-in */
unsigned int suppress_hp_mic_detect:1; /* Don't detect HP/mic */
unsigned int no_primary_hp:1; /* Don't prefer HP pins to speaker pins */
unsigned int no_multi_io:1; /* Don't try multi I/O config */
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 keep_eapd_on:1; /* don't turn off EAPD automatically */
unsigned int vmaster_mute_led:1; /* add SPK-LED flag to vmaster mute switch */
unsigned int mic_mute_led:1; /* add MIC-LED flag to capture mute switch */
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:2; /* add aamix as a capture src */
unsigned int add_jack_modes:1; /* add i/o jack mode enum ctls */
unsigned int power_down_unused:1; /* power down unused widgets */
unsigned int dac_min_mute:1; /* minimal = mute for DACs */
unsigned int suppress_vmaster:1; /* don't create vmaster kctls */
unsigned int obey_preferred_dacs:1; /* obey preferred_dacs assignment */
/* 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 */
unsigned int have_aamix_ctl:1;
unsigned int hp_mic_jack_modes:1;
unsigned int skip_verbs:1; /* don't apply verbs at snd_hda_gen_init() */
/* additional mute flags (only effective with auto_mute_via_amp=1) */
u64 mute_bits;
/* bitmask for skipping volume controls */
u64 out_vol_mask;
/* badness tables for output path evaluations */
const struct badness_table *main_out_badness;
const struct badness_table *extra_out_badness;
/* preferred pin/DAC pairs; an array of paired NIDs */
const hda_nid_t *preferred_dacs;
/* loopback mixing mode */
bool aamix_mode;
/* digital beep */
hda_nid_t beep_nid;
/* for virtual master */
hda_nid_t vmaster_nid;
unsigned int vmaster_tlv[4];
struct hda_vmaster_mute_hook vmaster_mute;
struct hda_loopback_check loopback;
struct snd_array loopback_list;
/* 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,
struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
/* PCM hooks */
void (*pcm_playback_hook)(struct hda_pcm_stream *hinfo,
struct hda_codec *codec,
struct snd_pcm_substream *substream,
int action);
void (*pcm_capture_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_callback *cb);
void (*line_automute_hook)(struct hda_codec *codec,
struct hda_jack_callback *cb);
void (*mic_autoswitch_hook)(struct hda_codec *codec,
struct hda_jack_callback *cb);
/* values for add_stereo_mix_input flag */
enum {
HDA_HINT_STEREO_MIX_DISABLE, /* No stereo mix input */
HDA_HINT_STEREO_MIX_ENABLE, /* Add stereo mix input */
HDA_HINT_STEREO_MIX_AUTO, /* Add only if auto-mic is disabled */
int snd_hda_gen_spec_init(struct hda_gen_spec *spec);
int snd_hda_gen_init(struct hda_codec *codec);
void snd_hda_gen_free(struct hda_codec *codec);
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);
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_callback *jack);
void snd_hda_gen_line_automute(struct hda_codec *codec,
struct hda_jack_callback *jack);
void snd_hda_gen_mic_autoswitch(struct hda_codec *codec,
struct hda_jack_callback *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);
unsigned int snd_hda_gen_path_power_filter(struct hda_codec *codec,
hda_nid_t nid,
unsigned int power_state);
void snd_hda_gen_stream_pm(struct hda_codec *codec, hda_nid_t nid, bool on);
int snd_hda_gen_fix_pin_power(struct hda_codec *codec, hda_nid_t pin);
int snd_hda_gen_add_mute_led_cdev(struct hda_codec *codec,
int (*callback)(struct led_classdev *,
enum led_brightness));
int snd_hda_gen_add_micmute_led_cdev(struct hda_codec *codec,
int (*callback)(struct led_classdev *,
enum led_brightness));
#endif /* __SOUND_HDA_GENERIC_H */