dac.h

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#ifndef __ASM_CPU_SH3_DAC_H
#define __ASM_CPU_SH3_DAC_H

/*
 * Copyright (C) 2003  Andriy Skulysh
 */


#define DADR0   0xa40000a0
#define DADR1   0xa40000a2
#define DACR    0xa40000a4
#define DACR_DAOE1  0x80
#define DACR_DAOE0  0x40
#define DACR_DAE    0x20


static __inline__ void sh_dac_enable(int channel)
{
    unsigned char v;
    v = __raw_readb(DACR);
    if(channel) v |= DACR_DAOE1;
    else v |= DACR_DAOE0;
    __raw_writeb(v,DACR);
}

static __inline__ void sh_dac_disable(int channel)
{
    unsigned char v;
    v = __raw_readb(DACR);
    if(channel) v &= ~DACR_DAOE1;
    else v &= ~DACR_DAOE0;
    __raw_writeb(v,DACR);
}

static __inline__ void sh_dac_output(u8 value, int channel)
{
    if(channel) __raw_writeb(value,DADR1);
    else __raw_writeb(value,DADR0);
}

#endif /* __ASM_CPU_SH3_DAC_H */