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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/sh/include/cpu-sh3/cpu/dac.h
Initial import
Diffstat (limited to 'arch/sh/include/cpu-sh3/cpu/dac.h')
-rw-r--r--arch/sh/include/cpu-sh3/cpu/dac.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/sh/include/cpu-sh3/cpu/dac.h b/arch/sh/include/cpu-sh3/cpu/dac.h
new file mode 100644
index 000000000..98f1d15f0
--- /dev/null
+++ b/arch/sh/include/cpu-sh3/cpu/dac.h
@@ -0,0 +1,41 @@
+#ifndef __ASM_CPU_SH3_DAC_H
+#define __ASM_CPU_SH3_DAC_H
+
+/*
+ * Copyright (C) 2003 Andriy Skulysh
+ */
+
+
+#define DADR0 0xa40000a0
+#define DADR1 0xa40000a2
+#define DACR 0xa40000a4
+#define DACR_DAOE1 0x80
+#define DACR_DAOE0 0x40
+#define DACR_DAE 0x20
+
+
+static __inline__ void sh_dac_enable(int channel)
+{
+ unsigned char v;
+ v = __raw_readb(DACR);
+ if(channel) v |= DACR_DAOE1;
+ else v |= DACR_DAOE0;
+ __raw_writeb(v,DACR);
+}
+
+static __inline__ void sh_dac_disable(int channel)
+{
+ unsigned char v;
+ v = __raw_readb(DACR);
+ if(channel) v &= ~DACR_DAOE1;
+ else v &= ~DACR_DAOE0;
+ __raw_writeb(v,DACR);
+}
+
+static __inline__ void sh_dac_output(u8 value, int channel)
+{
+ if(channel) __raw_writeb(value,DADR1);
+ else __raw_writeb(value,DADR0);
+}
+
+#endif /* __ASM_CPU_SH3_DAC_H */