patch-1.3.48 linux/include/asm-mips/mc146818rtc.h

• Lines: 29
• Date: Wed Dec 13 12:39:46 1995
• Orig file: v1.3.47/linux/include/asm-mips/mc146818rtc.h
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v1.3.47/linux/include/asm-mips/mc146818rtc.h linux/include/asm-mips/mc146818rtc.h
@@ -0,0 +1,28 @@
+/*
+ * Machine dependend access functions for RTC registers.
+ */
+#ifndef __ASM_MIPS_MC146818RTC_H
+#define __ASM_MIPS_MC146818RTC_H
+
+#include <asm/io.h>
+#include <asm/vector.h>
+
+#ifndef RTC_PORT
+#define RTC_PORT(x)	(0x70 + (x))
+#define RTC_ALWAYS_BCD	1
+#endif
+
+/*
+ * The yet supported machines all access the RTC index register via
+ * an ISA port access but the way to access the date register differs ...
+ */
+#define CMOS_READ(addr) ({ \
+outb_p((addr),RTC_PORT(0)); \
+feature->rtc_read_data(); \
+})
+#define CMOS_WRITE(val, addr) ({ \
+outb_p((addr),RTC_PORT(0)); \
+feature->rtc_write_data(val); \
+})
+
+#endif /* __ASM_MIPS_MC146818RTC_H */