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/*
 * This program 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include <arch/sys/cdefs.h>

__BEGIN_DECLS

/*      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);

__END_DECLS