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be0524d38f
This is i.MX BSP 5.0.0 release ported to 2.6.31 Signed-off-by: Rob Herring <r.herring@freescale.com> Signed-off-by: Alan Tull <r80115@freescale.com> Signed-off-by: Xinyu Chen <xinyu.chen@freescale.com>
154 lines
3.8 KiB
C
154 lines
3.8 KiB
C
/*
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* Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved.
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*/
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/*
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* The code contained herein is licensed under the GNU Lesser General
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* Public License. You may obtain a copy of the GNU Lesser General
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* Public License Version 2.1 or later at the following locations:
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*
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* http://www.opensource.org/licenses/lgpl-license.html
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* http://www.gnu.org/copyleft/lgpl.html
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*/
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#ifndef __ASM_ARCH_MXC_PMIC_RTC_H__
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#define __ASM_ARCH_MXC_PMIC_RTC_H__
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/*!
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* @defgroup PMIC_RTC PMIC RTC Driver
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* @ingroup PMIC_DRVRS
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*/
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/*!
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* @file arch-mxc/pmic_rtc.h
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* @brief This is the header of PMIC RTC driver.
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*
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* @ingroup PMIC_RTC
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*/
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/*
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* Includes
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*/
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#include <linux/ioctl.h>
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#include <linux/pmic_status.h>
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#include <linux/pmic_external.h>
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#define PMIC_RTC_SET_TIME _IOWR('p',0xd1, int)
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#define PMIC_RTC_GET_TIME _IOWR('p',0xd2, int)
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#define PMIC_RTC_SET_ALARM _IOWR('p',0xd3, int)
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#define PMIC_RTC_GET_ALARM _IOWR('p',0xd4, int)
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#define PMIC_RTC_WAIT_ALARM _IOWR('p',0xd5, int)
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#define PMIC_RTC_ALARM_REGISTER _IOWR('p',0xd6, int)
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#define PMIC_RTC_ALARM_UNREGISTER _IOWR('p',0xd7, int)
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/*!
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* This enumeration define all RTC interrupt
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*/
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typedef enum {
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/*!
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* Time of day alarm
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*/
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RTC_IT_ALARM,
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/*!
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* 1 Hz timetick
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*/
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RTC_IT_1HZ,
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/*!
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* RTC reset occurred
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*/
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RTC_IT_RST,
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} t_rtc_int;
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/*
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* RTC PMIC API
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*/
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/* EXPORTED FUNCTIONS */
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#ifdef __KERNEL__
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/*!
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* This function set the real time clock of PMIC
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*
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* @param pmic_time value of date and time
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*
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* @return This function returns PMIC_STATUS if successful.
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*/
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PMIC_STATUS pmic_rtc_set_time(struct timeval *pmic_time);
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/*!
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* This function get the real time clock of PMIC
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*
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* @param pmic_time return value of date and time
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*
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* @return This function returns PMIC_STATUS if successful.
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*/
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PMIC_STATUS pmic_rtc_get_time(struct timeval *pmic_time);
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/*!
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* This function set the real time clock alarm of PMIC
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*
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* @param pmic_time value of date and time
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*
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* @return This function returns PMIC_STATUS if successful.
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*/
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PMIC_STATUS pmic_rtc_set_time_alarm(struct timeval *pmic_time);
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/*!
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* This function get the real time clock alarm of PMIC
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*
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* @param pmic_time return value of date and time
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*
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* @return This function returns PMIC_STATUS if successful.
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*/
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PMIC_STATUS pmic_rtc_get_time_alarm(struct timeval *pmic_time);
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/*!
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* This function wait the Alarm event
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*
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* @return This function returns PMIC_STATUS if successful.
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*/
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PMIC_STATUS pmic_rtc_wait_alarm(void);
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/*!
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* This function is used to un/subscribe on RTC event IT.
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*
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* @param event type of event.
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* @param callback event callback function.
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* @param sub define if Un/subscribe event.
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*
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* @return This function returns PMIC_STATUS if successful.
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*/
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PMIC_STATUS pmic_rtc_event(t_rtc_int event, void *callback, bool sub);
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/*!
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* This function is used to subscribe on RTC event IT.
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*
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* @param event type of event.
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* @param callback event callback function.
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*
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* @return This function returns PMIC_STATUS if successful.
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*/
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PMIC_STATUS pmic_rtc_event_sub(t_rtc_int event, void *callback);
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/*!
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* This function is used to un-subscribe on RTC event IT.
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*
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* @param event type of event.
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* @param callback event callback function.
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*
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* @return This function returns PMIC_STATUS if successful.
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*/
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PMIC_STATUS pmic_rtc_event_unsub(t_rtc_int event, void *callback);
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/*!
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* This function is used to tell if PMIC RTC has been correctly loaded.
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*
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* @return This function returns 1 if RTC was successfully loaded
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* 0 otherwise.
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*/
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int pmic_rtc_loaded(void);
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#endif /* __KERNEL__ */
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#endif /* __ASM_ARCH_MXC_PMIC_RTC_H__ */
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