linux/sound/pci/hda/hda_auto_parser.h
David Henningsson 3cdbe11ae8 ALSA: hda - add some small convenience functions to auto parser
I never liked that we move our speaker and hp pins to line out
if there are not any line outs; but now that we do,
add some convenience functions to find hp and speaker pins even
if they have been moved.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-04-11 11:59:27 +02:00

119 lines
3.5 KiB
C

/*
* 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_AUTO_PARSER_H
#define __SOUND_HDA_AUTO_PARSER_H
/*
* Helper for automatic pin configuration
*/
enum {
AUTO_PIN_MIC,
AUTO_PIN_LINE_IN,
AUTO_PIN_CD,
AUTO_PIN_AUX,
AUTO_PIN_LAST
};
enum {
AUTO_PIN_LINE_OUT,
AUTO_PIN_SPEAKER_OUT,
AUTO_PIN_HP_OUT
};
#define AUTO_CFG_MAX_OUTS HDA_MAX_OUTS
#define AUTO_CFG_MAX_INS 8
struct auto_pin_cfg_item {
hda_nid_t pin;
int type;
unsigned int is_headset_mic:1;
unsigned int is_headphone_mic:1; /* Mic-only in headphone jack */
};
struct auto_pin_cfg;
const char *hda_get_autocfg_input_label(struct hda_codec *codec,
const struct auto_pin_cfg *cfg,
int input);
int snd_hda_get_pin_label(struct hda_codec *codec, hda_nid_t nid,
const struct auto_pin_cfg *cfg,
char *label, int maxlen, int *indexp);
enum {
INPUT_PIN_ATTR_UNUSED, /* pin not connected */
INPUT_PIN_ATTR_INT, /* internal mic/line-in */
INPUT_PIN_ATTR_DOCK, /* docking mic/line-in */
INPUT_PIN_ATTR_NORMAL, /* mic/line-in jack */
INPUT_PIN_ATTR_REAR, /* mic/line-in jack in rear */
INPUT_PIN_ATTR_FRONT, /* mic/line-in jack in front */
INPUT_PIN_ATTR_LAST = INPUT_PIN_ATTR_FRONT,
};
int snd_hda_get_input_pin_attr(unsigned int def_conf);
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];
int num_inputs;
struct auto_pin_cfg_item inputs[AUTO_CFG_MAX_INS];
int dig_outs;
hda_nid_t dig_out_pins[2];
hda_nid_t dig_in_pin;
hda_nid_t mono_out_pin;
int dig_out_type[2]; /* HDA_PCM_TYPE_XXX */
int dig_in_type; /* HDA_PCM_TYPE_XXX */
};
/* bit-flags for snd_hda_parse_pin_def_config() behavior */
#define HDA_PINCFG_NO_HP_FIXUP (1 << 0) /* no HP-split */
#define HDA_PINCFG_NO_LO_FIXUP (1 << 1) /* don't take other outs as LO */
#define HDA_PINCFG_HEADSET_MIC (1 << 2) /* Try to find headset mic; mark seq number as 0xc to trigger */
#define HDA_PINCFG_HEADPHONE_MIC (1 << 3) /* Try to find headphone mic; mark seq number as 0xd to trigger */
int snd_hda_parse_pin_defcfg(struct hda_codec *codec,
struct auto_pin_cfg *cfg,
const hda_nid_t *ignore_nids,
unsigned int cond_flags);
/* older function */
#define snd_hda_parse_pin_def_config(codec, cfg, ignore) \
snd_hda_parse_pin_defcfg(codec, cfg, ignore, 0)
static inline int auto_cfg_hp_outs(const struct auto_pin_cfg *cfg)
{
return (cfg->line_out_type == AUTO_PIN_HP_OUT) ?
cfg->line_outs : cfg->hp_outs;
}
static inline const hda_nid_t *auto_cfg_hp_pins(const struct auto_pin_cfg *cfg)
{
return (cfg->line_out_type == AUTO_PIN_HP_OUT) ?
cfg->line_out_pins : cfg->hp_pins;
}
static inline int auto_cfg_speaker_outs(const struct auto_pin_cfg *cfg)
{
return (cfg->line_out_type == AUTO_PIN_SPEAKER_OUT) ?
cfg->line_outs : cfg->speaker_outs;
}
static inline const hda_nid_t *auto_cfg_speaker_pins(const struct auto_pin_cfg *cfg)
{
return (cfg->line_out_type == AUTO_PIN_SPEAKER_OUT) ?
cfg->line_out_pins : cfg->speaker_pins;
}
#endif /* __SOUND_HDA_AUTO_PARSER_H */