sb16: port of isa sb16 driver to user-space. Port by Peter Boonstoppel. es1371: By Laurens Bronwasser.
74 lines
3.1 KiB
C
Executable file
74 lines
3.1 KiB
C
Executable file
#ifndef AC97_MIXER_H
|
|
#define AC97_MIXER_H
|
|
|
|
/* This is a main memory cache copy of the codec's ac97 configuration
|
|
registers. See Intel's Audio Codec 97 standard (rev2.3) for info. */
|
|
|
|
typedef struct ac97_struct {
|
|
u16_t Reset; /* 0x00 */
|
|
u16_t MasterVolume; /* 0x02 */
|
|
u16_t AUXOutVolume; /* 0x04 */
|
|
u16_t MonoVolume; /* 0x06 */
|
|
u16_t MasterTone; /* 0x08 */
|
|
u16_t PCBeepVolume; /* 0x0A */
|
|
u16_t PhoneVolume; /* 0x0C */
|
|
u16_t MicVolume; /* 0x0E */
|
|
u16_t LineInVolume; /* 0x10 */
|
|
u16_t CDVolume; /* 0x12 */
|
|
u16_t VideoVolume; /* 0x14 */
|
|
u16_t AUXInVolume; /* 0x16 */
|
|
u16_t PCMOutVolume; /* 0x18 */
|
|
u16_t RecordSelect; /* 0x1A */
|
|
u16_t RecordGain; /* 0x1C */
|
|
u16_t RecordGainMic; /* 0x1E */
|
|
u16_t GeneralPurpose; /* 0x20 */
|
|
u16_t Control3D; /* 0x22 */
|
|
u16_t AudioIntAndPaging; /* 0x24 */
|
|
u16_t PowerdownControlAndStat; /* 0x26 */
|
|
u16_t ExtendedAudio1; /* 0x28 */
|
|
u16_t ExtendedAudio2; /* 0x2A */
|
|
/* ... */
|
|
u16_t VendorID1; /* 0x7C */
|
|
u16_t VendorID2; /* 0x7E */
|
|
} ac97_t;
|
|
|
|
|
|
|
|
/* Source and output volume control register defines */
|
|
#define AC97_MASTER_VOLUME 0x02U /* Master out */
|
|
#define AC97_AUX_OUT_VOLUME 0x04U /* Auxiliary out volume */
|
|
#define AC97_MONO_VOLUME 0x06U /* Mono out volume */
|
|
#define AC97_MASTER_TONE 0x08U /* high byte= bass, low byte= treble*/
|
|
#define AC97_PC_BEEP_VOLUME 0x0aU /* PC speaker volume */
|
|
#define AC97_PHONE_VOLUME 0x0cU /* Phone volume */
|
|
#define AC97_MIC_VOLUME 0x0eU /* Mic, mono */
|
|
#define AC97_LINE_IN_VOLUME 0x10U /* Line volume */
|
|
#define AC97_CD_VOLUME 0x12U /* CD audio volume */
|
|
#define AC97_VIDEO_VOLUME 0x14U /* Video (TV) volume */
|
|
#define AC97_AUX_IN_VOLUME 0x16U /* Aux line source, left */
|
|
#define AC97_PCM_OUT_VOLUME 0x18U /* The DACs - wav+synth */
|
|
#define AC97_RECORD_GAIN_VOLUME 0x1cU /* Record input level */
|
|
|
|
/* Other CODEC control register defines */
|
|
#define AC97_RESET 0x00U /* any write here to reset CODEC */
|
|
#define AC97_GENERAL_PURPOSE 0x20U /* */
|
|
#define AC97_POWERDOWN_CONTROL_STAT 0x26U /* */
|
|
#define AC97_RECORD_SELECT 0x1aU /* record mux select */
|
|
#define AC97_VENDOR_ID1 0x7cU /* 1st two Vendor ID bytes */
|
|
#define AC97_VENDOR_ID2 0x7eU /* last Vendor ID byte plus rev. number */
|
|
|
|
/* Record Select defines */
|
|
#define AC97_RECORD_MIC 0
|
|
#define AC97_RECORD_CD 1
|
|
#define AC97_RECORD_VIDEO 2
|
|
#define AC97_RECORD_AUX 3
|
|
#define AC97_RECORD_LINE 4
|
|
#define AC97_RECORD_STEREO_MIX 5
|
|
#define AC97_RECORD_MONO_MIX 6
|
|
#define AC97_RECORD_PHONE 7
|
|
|
|
#define MASTER_VOL_MASK 0x1F
|
|
#define DAC_VOL_MASK 0x1F
|
|
#define AUX_IN_VOL_MASK 0x1F
|
|
#define MUTE_MASK 0x8000
|
|
#endif /* AC97_MIXER_H */
|