Release 4.14 arch/sh/include/cpu-sh3/cpu/dac.h

/* SPDX-License-Identifier: GPL-2.0 */
#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);
}

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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);
}

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

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#endif /* __ASM_CPU_SH3_DAC_H */
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Greg Kroah-Hartman
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Directory: arch/sh/include/cpu-sh3/cpu

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