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1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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2 | #ifndef __ASM_CPU_SH3_DAC_H |
3 | #define __ASM_CPU_SH3_DAC_H |
4 | |
5 | /* |
6 | * Copyright (C) 2003 Andriy Skulysh |
7 | */ |
8 | |
9 | |
10 | #define DADR0 0xa40000a0 |
11 | #define DADR1 0xa40000a2 |
12 | #define DACR 0xa40000a4 |
13 | #define DACR_DAOE1 0x80 |
14 | #define DACR_DAOE0 0x40 |
15 | #define DACR_DAE 0x20 |
16 | |
17 | |
18 | static __inline__ void sh_dac_enable(int channel) |
19 | { |
20 | unsigned char v; |
21 | v = __raw_readb(DACR); |
22 | if(channel) v |= DACR_DAOE1; |
23 | else v |= DACR_DAOE0; |
24 | __raw_writeb(v,DACR); |
25 | } |
26 | |
27 | static __inline__ void sh_dac_disable(int channel) |
28 | { |
29 | unsigned char v; |
30 | v = __raw_readb(DACR); |
31 | if(channel) v &= ~DACR_DAOE1; |
32 | else v &= ~DACR_DAOE0; |
33 | __raw_writeb(v,DACR); |
34 | } |
35 | |
36 | static __inline__ void sh_dac_output(u8 value, int channel) |
37 | { |
38 | if(channel) __raw_writeb(value,DADR1); |
39 | else __raw_writeb(value,DADR0); |
40 | } |
41 | |
42 | #endif /* __ASM_CPU_SH3_DAC_H */ |
43 |
Warning: This file is not a C or C++ file. It does not have highlighting.