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[linux-ginger.git] / arch / sh / include / cpu-sh3 / cpu / dac.h
blob05fda8316ebcaf577155965f1d9fc55234c880e4
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 = ctrl_inb(DACR);
21 if(channel) v |= DACR_DAOE1;
22 else v |= DACR_DAOE0;
23 ctrl_outb(v,DACR);
26 static __inline__ void sh_dac_disable(int channel)
28 unsigned char v;
29 v = ctrl_inb(DACR);
30 if(channel) v &= ~DACR_DAOE1;
31 else v &= ~DACR_DAOE0;
32 ctrl_outb(v,DACR);
35 static __inline__ void sh_dac_output(u8 value, int channel)
37 if(channel) ctrl_outb(value,DADR1);
38 else ctrl_outb(value,DADR0);
41 #endif /* __ASM_CPU_SH3_DAC_H */