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1da177e4 LT |
1 | #ifndef __ASM_CPU_SH3_DAC_H |
2 | #define __ASM_CPU_SH3_DAC_H | |
3 | ||
4 | /* | |
5 | * Copyright (C) 2003 Andriy Skulysh | |
6 | */ | |
7 | ||
8 | ||
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 | |
15 | ||
16 | ||
17 | static __inline__ void sh_dac_enable(int channel) | |
18 | { | |
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); | |
24 | } | |
25 | ||
26 | static __inline__ void sh_dac_disable(int channel) | |
27 | { | |
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); | |
33 | } | |
34 | ||
35 | static __inline__ void sh_dac_output(u8 value, int channel) | |
36 | { | |
37 | if(channel) ctrl_outb(value,DADR1); | |
38 | else ctrl_outb(value,DADR0); | |
39 | } | |
40 | ||
41 | #endif /* __ASM_CPU_SH3_DAC_H */ |