aboutsummaryrefslogtreecommitdiff
path: root/include/asm-sh/cpu-sh3/dac.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-sh/cpu-sh3/dac.h')
-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 00000000000..05fda8316eb
--- /dev/null
+++ b/include/asm-sh/cpu-sh3/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 = ctrl_inb(DACR);
+ if(channel) v |= DACR_DAOE1;
+ else v |= DACR_DAOE0;
+ ctrl_outb(v,DACR);
+}
+
+static __inline__ void sh_dac_disable(int channel)
+{
+ unsigned char v;
+ v = ctrl_inb(DACR);
+ if(channel) v &= ~DACR_DAOE1;
+ else v &= ~DACR_DAOE0;
+ ctrl_outb(v,DACR);
+}
+
+static __inline__ void sh_dac_output(u8 value, int channel)
+{
+ if(channel) ctrl_outb(value,DADR1);
+ else ctrl_outb(value,DADR0);
+}
+
+#endif /* __ASM_CPU_SH3_DAC_H */