1 files changed, 76 insertions, 0 deletions

diff --git a/arch/m68k/include/asm/rtc.h b/arch/m68k/include/asm/rtc.h
new file mode 100644
index 000000000000..5d3e03859844
--- /dev/null
+++ b/arch/m68k/include/asm/rtc.h
@@ -0,0 +1,76 @@
+/* include/asm-m68k/rtc.h
+ *
+ * Copyright Richard Zidlicky
+ * implementation details for genrtc/q40rtc driver
+ */
+/* permission is hereby granted to copy, modify and redistribute this code
+ * in terms of the GNU Library General Public License, Version 2 or later,
+ * at your option.
+ */
+
+#ifndef _ASM_RTC_H
+#define _ASM_RTC_H
+
+#ifdef __KERNEL__
+
+#include <linux/rtc.h>
+#include <asm/errno.h>
+#include <asm/machdep.h>
+
+#define RTC_PIE 0x40            /* periodic interrupt enable */
+#define RTC_AIE 0x20            /* alarm interrupt enable */
+#define RTC_UIE 0x10            /* update-finished interrupt enable */
+
+/* some dummy definitions */
+#define RTC_BATT_BAD 0x100      /* battery bad */
+#define RTC_SQWE 0x08           /* enable square-wave output */
+#define RTC_DM_BINARY 0x04      /* all time/date values are BCD if clear */
+#define RTC_24H 0x02            /* 24 hour mode - else hours bit 7 means pm */
+#define RTC_DST_EN 0x01         /* auto switch DST - works f. USA only */
+
+static inline unsigned int get_rtc_time(struct rtc_time *time)
+{
+        /*
+         * Only the values that we read from the RTC are set. We leave
+         * tm_wday, tm_yday and tm_isdst untouched. Even though the
+         * RTC has RTC_DAY_OF_WEEK, we ignore it, as it is only updated
+         * by the RTC when initially set to a non-zero value.
+         */
+        mach_hwclk(0, time);
+        return RTC_24H;
+}
+
+static inline int set_rtc_time(struct rtc_time *time)
+{
+        return mach_hwclk(1, time);
+}
+
+static inline unsigned int get_rtc_ss(void)
+{
+        if (mach_get_ss)
+                return mach_get_ss();
+        else{
+                struct rtc_time h;
+
+                get_rtc_time(&h);
+                return h.tm_sec;
+        }
+}
+
+static inline int get_rtc_pll(struct rtc_pll_info *pll)
+{
+        if (mach_get_rtc_pll)
+                return mach_get_rtc_pll(pll);
+        else
+                return -EINVAL;
+}
+static inline int set_rtc_pll(struct rtc_pll_info *pll)
+{
+        if (mach_set_rtc_pll)
+                return mach_set_rtc_pll(pll);
+        else
+                return -EINVAL;
+}
+#endif /* __KERNEL__ */
+
+#endif /* _ASM__RTC_H */