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/* DSP Registers */
#define RESET 0x06
#define READDATA 0x0A
#define WRITEBUFFERSTATUS 0x0C
#define DATAAVAILABLE 0x0E
#define ACK8 0x0E
#define ACK16 0x0F
/* DSP Commands */
#define DSPCMD_DIRECTOUT 0x10
#define DSPCMD_DIRECTIN 0x20
#define DSPCMD_SETOUTRATE 0x41
#define DSPCMD_SETINRATE 0x42
#define DSPCMD_16BITIO 0xb0
#define DSPCMD_8BITIO 0xC0
#define SBIO_FIFOON 0x02
#define SBIO_AUTOINIT 0x04
#define SBIO_OUT 0x00
#define SBIO_IN 0x08
#define IOMODE_UNSIGNED 0x00
#define IOMODE_SIGNED 0x10
#define IOMODE_MONO 0x00
#define IOMODE_STEREO 0x20
#define DSPCMD_GETVER 0xE1
#define DSPCMD_SPKON 0xD1
#define DSPCMD_SPKOFF 0xD3
#define DSPCMD_EXIT8 0xDA
#define DSPCMD_EXIT16 0xD9
/* Mixer I/O registers */
#define MIXERREGISTER 0x04
#define MIXERDATA 0x05
/* Mixer Registers */
#define MIXER_RESET 0x00
#define MIXER_OUTCTR 0x3c
#define MIXER_INCTRLEFT 0x3d
#define MIXER_INCTRRIGHT 0x3e
#define MIXER_MICLEV 0x3a
#define MIXER_AGC 0x43
#define MIXER_IGCLEFT 0x3F
#define MIXER_IGCRIGHT 0x40
#define MIXER_IRQREG 0x80
#define MIXER_DMAREG 0x81
#define MIXER_INTSTATUS 0x82
WORD sb_probe (void);
BYTE sbdsp_read (WORD base);
void sbdsp_write (WORD base, BYTE c );
BYTE sbmixer_read(WORD base, BYTE index);
void sbmixer_write(WORD base, BYTE index, BYTE c);
BYTE sbdsp_reset(WORD base);
/* OKKIO!!!! vanno tolti da qui!!!! */
BYTE inpb(WORD addr);
void outpb(WORD addr, BYTE val);