patch-2.3.43 linux/include/linux/rtc.h

• Lines: 52
• Date: Mon Feb 7 19:45:28 2000
• Orig file: v2.3.42/linux/include/linux/rtc.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.42/linux/include/linux/rtc.h linux/include/linux/rtc.h
@@ -0,0 +1,51 @@
+/*
+ * Generic RTC interface.
+ * This version contains the part of the user interface to the Real Time Clock
+ * service. It is used with both the legacy mc146818 and also  EFI
+ * 
+ * Copyright (C) 1999 Hewlett-Packard Co.
+ * Copyright (C) 1999 Stephane Eranian <eranian@hpl.hp.com>
+ */
+#ifndef _LINUX_RTC_H
+#define _LINUX_RTC_H_
+
+/*
+ * The struct used to pass data via the following ioctl. Similar to the
+ * struct tm in <time.h>, but it needs to be here so that the kernel 
+ * source is self contained, allowing cross-compiles, etc. etc.
+ */
+
+struct rtc_time {
+	int tm_sec;
+	int tm_min;
+	int tm_hour;
+	int tm_mday;
+	int tm_mon;
+	int tm_year;
+	int tm_wday;
+	int tm_yday;
+	int tm_isdst;
+};
+
+/*
+ * ioctl calls that are permitted to the /dev/rtc interface, if 
+ * CONFIG_RTC/CONFIG_EFI_RTC was enabled.
+ */
+
+#define RTC_AIE_ON	_IO('p', 0x01)	/* Alarm int. enable on		*/
+#define RTC_AIE_OFF	_IO('p', 0x02)	/* ... off			*/
+#define RTC_UIE_ON	_IO('p', 0x03)	/* Update int. enable on	*/
+#define RTC_UIE_OFF	_IO('p', 0x04)	/* ... off			*/
+#define RTC_PIE_ON	_IO('p', 0x05)	/* Periodic int. enable on	*/
+#define RTC_PIE_OFF	_IO('p', 0x06)	/* ... off			*/
+
+#define RTC_ALM_SET	_IOW('p', 0x07, struct rtc_time) /* Set alarm time  */
+#define RTC_ALM_READ	_IOR('p', 0x08, struct rtc_time) /* Read alarm time */
+#define RTC_RD_TIME	_IOR('p', 0x09, struct rtc_time) /* Read RTC time   */
+#define RTC_SET_TIME	_IOW('p', 0x0a, struct rtc_time) /* Set RTC time    */
+#define RTC_IRQP_READ	_IOR('p', 0x0b, unsigned long)	 /* Read IRQ rate   */
+#define RTC_IRQP_SET	_IOW('p', 0x0c, unsigned long)	 /* Set IRQ rate    */
+#define RTC_EPOCH_READ	_IOR('p', 0x0d, unsigned long)	 /* Read epoch      */
+#define RTC_EPOCH_SET	_IOW('p', 0x0e, unsigned long)	 /* Set epoch       */
+
+#endif /* _LINUX_RTC_H_ */