1 files changed, 95 insertions, 0 deletions

diff --git a/include/asm-ppc/rtc.h b/include/asm-ppc/rtc.h
new file mode 100644
index 000000000000..05fbf912ab4d
--- /dev/null
+++ b/include/asm-ppc/rtc.h
@@ -0,0 +1,95 @@
+/*
+ * inclue/asm-ppc/rtc.h
+ *
+ * Author: Tom Rini <trini@mvista.com>
+ *
+ * 2002 (c) MontaVista, Software, Inc.  This file is licensed under
+ * the terms of the GNU General Public License version 2.  This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ *
+ * Based on:
+ * include/asm-m68k/rtc.h
+ *
+ * Copyright Richard Zidlicky
+ * implementation details for genrtc/q40rtc driver
+ *
+ * And the old drivers/macintosh/rtc.c which was heavily based on:
+ * Linux/SPARC Real Time Clock Driver
+ * Copyright (C) 1996 Thomas K. Dyas (tdyas@eden.rutgers.edu)
+ *
+ * With additional work by Paul Mackerras and Franz Sirl.
+ */
+
+#ifndef __ASM_RTC_H__
+#define __ASM_RTC_H__
+
+#ifdef __KERNEL__
+
+#include <linux/rtc.h>
+
+#include <asm/machdep.h>
+#include <asm/time.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)
+{
+        if (ppc_md.get_rtc_time) {
+                unsigned long nowtime;
+
+                nowtime = (ppc_md.get_rtc_time)();
+
+                to_tm(nowtime, time);
+
+                time->tm_year -= 1900;
+                time->tm_mon -= 1; /* Make sure userland has a 0-based month */
+        }
+        return RTC_24H;
+}
+
+/* Set the current date and time in the real time clock. */
+static inline int set_rtc_time(struct rtc_time *time)
+{
+        if (ppc_md.get_rtc_time) {
+                unsigned long nowtime;
+
+                nowtime = mktime(time->tm_year+1900, time->tm_mon+1,
+                                time->tm_mday, time->tm_hour, time->tm_min,
+                                time->tm_sec);
+
+                (ppc_md.set_rtc_time)(nowtime);
+
+                return 0;
+        } else
+                return -EINVAL;
+}
+
+static inline unsigned int get_rtc_ss(void)
+{
+        struct rtc_time h;
+
+        get_rtc_time(&h);
+        return h.tm_sec;
+}
+
+static inline int get_rtc_pll(struct rtc_pll_info *pll)
+{
+        return -EINVAL;
+}
+static inline int set_rtc_pll(struct rtc_pll_info *pll)
+{
+        return -EINVAL;
+}
+
+#endif /* __KERNEL__ */
+#endif /* __ASM_RTC_H__ */