linux/arch/sh/include/cpu-sh3/cpu/dac.h
Paul Mundt f15cbe6f1a sh: migrate to arch/sh/include/
This follows the sparc changes a439fe51a1.

Most of the moving about was done with Sam's directions at:

http://marc.info/?l=linux-sh&m=121724823706062&w=2

with subsequent hacking and fixups entirely my fault.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-07-29 08:09:44 +09:00

42 lines
752 B
C

#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 = ctrl_inb(DACR);
if(channel) v |= DACR_DAOE1;
else v |= DACR_DAOE0;
ctrl_outb(v,DACR);
}
static __inline__ void sh_dac_disable(int channel)
{
unsigned char v;
v = ctrl_inb(DACR);
if(channel) v &= ~DACR_DAOE1;
else v &= ~DACR_DAOE0;
ctrl_outb(v,DACR);
}
static __inline__ void sh_dac_output(u8 value, int channel)
{
if(channel) ctrl_outb(value,DADR1);
else ctrl_outb(value,DADR0);
}
#endif /* __ASM_CPU_SH3_DAC_H */