00e8ee39e9
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@130 a95241bf-73f2-0310-859d-f6bbb57e9c96
98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
#ifndef _OLD_SOUND_DRIVER_H_
|
|
#define _OLD_SOUND_DRIVER_H_
|
|
|
|
/*
|
|
* The BeOS R3 style legacy sound card driver interface
|
|
* Assembled from the Be Newsletter, Volume II, Issue 22; June 3, 1998
|
|
*/
|
|
|
|
enum {
|
|
SOUND_GET_PARAMS = B_DEVICE_OP_CODES_END,
|
|
SOUND_SET_PARAMS,
|
|
SOUND_SET_PLAYBACK_COMPLETION_SEM,
|
|
SOUND_SET_CAPTURE_COMPLETION_SEM,
|
|
SOUND_RESERVED_1, /* unused */
|
|
SOUND_RESERVED_2, /* unused */
|
|
SOUND_DEBUG_ON, /* unused */
|
|
SOUND_DEBUG_OFF, /* unused */
|
|
SOUND_WRITE_BUFFER,
|
|
SOUND_READ_BUFFER,
|
|
SOUND_LOCK_FOR_DMA
|
|
};
|
|
|
|
typedef struct audio_buffer_header {
|
|
int32 buffer_number;
|
|
int32 subscriber_count;
|
|
bigtime_t time;
|
|
int32 reserved_1;
|
|
int32 reserved_2;
|
|
int32 reserved_3;
|
|
int32 reserved_4;
|
|
} audio_buffer_header;
|
|
|
|
enum adc_source {
|
|
line = 0, cd, mic, loopback
|
|
};
|
|
|
|
enum sample_rate {
|
|
kHz_8_0 = 0, kHz_5_51, kHz_16_0, kHz_11_025, kHz_27_42,
|
|
kHz_18_9, kHz_32_0, kHz_22_05, kHz_37_8 = 9,
|
|
kHz_44_1 = 11, kHz_48_0, kHz_33_075, kHz_9_6, kHz_6_62
|
|
};
|
|
|
|
enum sample_format {}; /* obsolete */
|
|
|
|
struct channel {
|
|
enum adc_source adc_source;
|
|
/* adc input source */
|
|
char adc_gain;
|
|
/* 0..15 adc gain, in 1.5 dB steps */
|
|
char mic_gain_enable;
|
|
/* non-zero enables 20 dB MIC input gain */
|
|
char cd_mix_gain;
|
|
/* 0..31 cd mix to output gain in -1.5dB steps */
|
|
char cd_mix_mute;
|
|
/* non-zero mutes cd mix */
|
|
char aux2_mix_gain;
|
|
/* unused */
|
|
char aux2_mix_mute;
|
|
/* unused */
|
|
char line_mix_gain;
|
|
/* 0..31 line mix to output gain in -1.5dB steps */
|
|
char line_mix_mute;
|
|
/* non-zero mutes line mix */
|
|
char dac_attn;
|
|
/* 0..61 dac attenuation, in -1.5 dB steps */
|
|
char dac_mute;
|
|
/* non-zero mutes dac output */
|
|
};
|
|
|
|
typedef struct sound_setup {
|
|
struct channel left;
|
|
/* left channel setup */
|
|
struct channel right;
|
|
/* right channel setup */
|
|
enum sample_rate sample_rate;
|
|
/* sample rate */
|
|
enum sample_format playback_format;
|
|
/* ignore (always 16bit-linear) */
|
|
enum sample_format capture_format;
|
|
/* ignore (always 16bit-linear) */
|
|
char dither_enable;
|
|
/* non-zero enables dither on 16 => 8 bit */
|
|
char mic_attn;
|
|
/* 0..64 mic input level */
|
|
char mic_enable;
|
|
/* non-zero enables mic input */
|
|
char output_boost;
|
|
/* ignore (always on) */
|
|
char highpass_enable;
|
|
/* ignore (always on) */
|
|
char mono_gain;
|
|
/* 0..64 mono speaker gain */
|
|
char mono_mute;
|
|
/* non-zero mutes speaker */
|
|
} sound_setup;
|
|
|
|
#endif
|