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-rw-r--r--include/asm-sh/cpu-sh3/dac.h41
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 000000000000..05fda8316ebc
--- /dev/null
+++ b/include/asm-sh/cpu-sh3/dac.h
@@ -0,0 +1,41 @@
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
17static __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
26static __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
35static __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 */