1 files changed, 115 insertions, 0 deletions
diff --git a/include/rtems/rtc.h b/include/rtems/rtc.h
new file mode 100644
index 0000000000..27b9e453c5
--- /dev/null
+++ b/include/rtems/rtc.h
@@ -0,0 +1,115 @@
+/**
+ * @file
+ *
+ * @brief Real-Time Clock Driver Interface
+ * 
+ * Real-time clock driver interface.
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2001.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.org/license/LICENSE.
+ */
+
+#ifndef _RTEMS_RTC_H
+#define _RTEMS_RTC_H
+
+#include <rtems.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup rtems_rtc Real-Time Clock Driver Interface
+ *
+ * This driver interface provides support to read and set the real-time clock
+ * and to initialize the time of day for the system.
+ */
+/**@{**/
+
+/**
+ * Device file name path.
+ */
+#define RTC_DEVICE_NAME "/dev/rtc"
+
+/**
+ * Device driver table entry.
+ */
+#define RTC_DRIVER_TABLE_ENTRY \
+  { rtc_initialize, rtc_open, rtc_close, \
+    rtc_read, rtc_write, rtc_control }
+
+/**
+ * Initializes the real-time clock device and sets the time of day for the
+ * system.
+ *
+ * If the real-time clock provides an invalid time of day value the system time
+ * of day must remain untouched.
+ */
+rtems_device_driver rtc_initialize(
+  rtems_device_major_number,
+  rtems_device_minor_number,
+  void *
+);
+
+/**
+ * Opens the real-time clock device.
+ */
+rtems_device_driver rtc_open(
+  rtems_device_major_number,
+  rtems_device_minor_number,
+  void *
+);
+
+/**
+ * Closes the real-time clock device.
+ */
+rtems_device_driver rtc_close(
+  rtems_device_major_number,
+  rtems_device_minor_number,
+  void *
+);
+
+/**
+ * Reads the real-time clock value.
+ *
+ * The value will be returned in a @ref rtems_time_of_day structure.
+ */
+rtems_device_driver rtc_read(
+  rtems_device_major_number,
+  rtems_device_minor_number,
+  void *
+);
+
+/**
+ * Sets the real-time clock value.
+ *
+ * The value will be set from a @ref rtems_time_of_day structure.
+ */
+rtems_device_driver rtc_write(
+  rtems_device_major_number,
+  rtems_device_minor_number,
+  void *
+);
+
+/**
+ * Controls the real-time clock.
+ */
+rtems_device_driver rtc_control(
+  rtems_device_major_number,
+  rtems_device_minor_number,
+  void *
+);
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif