summaryrefslogtreecommitdiff
path: root/include/linux/pmic_rtc.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/pmic_rtc.h')
-rw-r--r--include/linux/pmic_rtc.h153
1 files changed, 153 insertions, 0 deletions
diff --git a/include/linux/pmic_rtc.h b/include/linux/pmic_rtc.h
new file mode 100644
index 000000000000..2f7aeda4d3d2
--- /dev/null
+++ b/include/linux/pmic_rtc.h
@@ -0,0 +1,153 @@
+/*
+ * Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * The code contained herein is licensed under the GNU Lesser General
+ * Public License. You may obtain a copy of the GNU Lesser General
+ * Public License Version 2.1 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/lgpl-license.html
+ * http://www.gnu.org/copyleft/lgpl.html
+ */
+
+#ifndef __ASM_ARCH_MXC_PMIC_RTC_H__
+#define __ASM_ARCH_MXC_PMIC_RTC_H__
+
+/*!
+ * @defgroup PMIC_RTC PMIC RTC Driver
+ * @ingroup PMIC_DRVRS
+ */
+
+/*!
+ * @file arch-mxc/pmic_rtc.h
+ * @brief This is the header of PMIC RTC driver.
+ *
+ * @ingroup PMIC_RTC
+ */
+
+/*
+ * Includes
+ */
+#include <linux/ioctl.h>
+#include <linux/pmic_status.h>
+#include <linux/pmic_external.h>
+
+#define PMIC_RTC_SET_TIME _IOWR('p',0xd1, int)
+#define PMIC_RTC_GET_TIME _IOWR('p',0xd2, int)
+#define PMIC_RTC_SET_ALARM _IOWR('p',0xd3, int)
+#define PMIC_RTC_GET_ALARM _IOWR('p',0xd4, int)
+#define PMIC_RTC_WAIT_ALARM _IOWR('p',0xd5, int)
+#define PMIC_RTC_ALARM_REGISTER _IOWR('p',0xd6, int)
+#define PMIC_RTC_ALARM_UNREGISTER _IOWR('p',0xd7, int)
+
+/*!
+ * This enumeration define all RTC interrupt
+ */
+typedef enum {
+ /*!
+ * Time of day alarm
+ */
+ RTC_IT_ALARM,
+ /*!
+ * 1 Hz timetick
+ */
+ RTC_IT_1HZ,
+ /*!
+ * RTC reset occurred
+ */
+ RTC_IT_RST,
+} t_rtc_int;
+
+/*
+ * RTC PMIC API
+ */
+
+/* EXPORTED FUNCTIONS */
+#ifdef __KERNEL__
+
+/*!
+ * This function set the real time clock of PMIC
+ *
+ * @param pmic_time value of date and time
+ *
+ * @return This function returns PMIC_STATUS if successful.
+ */
+PMIC_STATUS pmic_rtc_set_time(struct timeval *pmic_time);
+
+/*!
+ * This function get the real time clock of PMIC
+ *
+ * @param pmic_time return value of date and time
+ *
+ * @return This function returns PMIC_STATUS if successful.
+ */
+PMIC_STATUS pmic_rtc_get_time(struct timeval *pmic_time);
+
+/*!
+ * This function set the real time clock alarm of PMIC
+ *
+ * @param pmic_time value of date and time
+ *
+ * @return This function returns PMIC_STATUS if successful.
+ */
+PMIC_STATUS pmic_rtc_set_time_alarm(struct timeval *pmic_time);
+
+/*!
+ * This function get the real time clock alarm of PMIC
+ *
+ * @param pmic_time return value of date and time
+ *
+ * @return This function returns PMIC_STATUS if successful.
+ */
+PMIC_STATUS pmic_rtc_get_time_alarm(struct timeval *pmic_time);
+
+/*!
+ * This function wait the Alarm event
+ *
+ * @return This function returns PMIC_STATUS if successful.
+ */
+PMIC_STATUS pmic_rtc_wait_alarm(void);
+
+/*!
+ * This function is used to un/subscribe on RTC event IT.
+ *
+ * @param event type of event.
+ * @param callback event callback function.
+ * @param sub define if Un/subscribe event.
+ *
+ * @return This function returns PMIC_STATUS if successful.
+ */
+PMIC_STATUS pmic_rtc_event(t_rtc_int event, void *callback, bool sub);
+
+/*!
+ * This function is used to subscribe on RTC event IT.
+ *
+ * @param event type of event.
+ * @param callback event callback function.
+ *
+ * @return This function returns PMIC_STATUS if successful.
+ */
+PMIC_STATUS pmic_rtc_event_sub(t_rtc_int event, void *callback);
+
+/*!
+ * This function is used to un-subscribe on RTC event IT.
+ *
+ * @param event type of event.
+ * @param callback event callback function.
+ *
+ * @return This function returns PMIC_STATUS if successful.
+ */
+PMIC_STATUS pmic_rtc_event_unsub(t_rtc_int event, void *callback);
+
+/*!
+ * This function is used to tell if PMIC RTC has been correctly loaded.
+ *
+ * @return This function returns 1 if RTC was successfully loaded
+ * 0 otherwise.
+ */
+int pmic_rtc_loaded(void);
+
+#endif /* __KERNEL__ */
+
+#endif /* __ASM_ARCH_MXC_PMIC_RTC_H__ */