Add linux-next specific files for 20110831
[linux-2.6/next.git] / arch / sh / include / cpu-sh3 / cpu / dac.h
blob98f1d15f0ab5e3a0a0b988bd634d3ab121ab4694
1 #ifndef __ASM_CPU_SH3_DAC_H
2 #define __ASM_CPU_SH3_DAC_H
4 /*
5 * Copyright (C) 2003 Andriy Skulysh
6 */
9 #define DADR0 0xa40000a0
10 #define DADR1 0xa40000a2
11 #define DACR 0xa40000a4
12 #define DACR_DAOE1 0x80
13 #define DACR_DAOE0 0x40
14 #define DACR_DAE 0x20
17 static __inline__ void sh_dac_enable(int channel)
19 unsigned char v;
20 v = __raw_readb(DACR);
21 if(channel) v |= DACR_DAOE1;
22 else v |= DACR_DAOE0;
23 __raw_writeb(v,DACR);
26 static __inline__ void sh_dac_disable(int channel)
28 unsigned char v;
29 v = __raw_readb(DACR);
30 if(channel) v &= ~DACR_DAOE1;
31 else v &= ~DACR_DAOE0;
32 __raw_writeb(v,DACR);
35 static __inline__ void sh_dac_output(u8 value, int channel)
37 if(channel) __raw_writeb(value,DADR1);
38 else __raw_writeb(value,DADR0);
41 #endif /* __ASM_CPU_SH3_DAC_H */