/arch/sh/include/cpu-sh3/cpu/dac.h
C++ Header | 41 lines | 30 code | 8 blank | 3 comment | 6 complexity | 794c2118f1e820971143cc70b3dd3a2d MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
- #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);
- }
- 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 */