diff options
Diffstat (limited to 'include/asm-sh/cpu-sh3/dac.h')
| -rw-r--r-- | include/asm-sh/cpu-sh3/dac.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/include/asm-sh/cpu-sh3/dac.h b/include/asm-sh/cpu-sh3/dac.h new file mode 100644 index 00000000000..05fda8316eb --- /dev/null +++ b/include/asm-sh/cpu-sh3/dac.h @@ -0,0 +1,41 @@ +#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 */ |