/*  rtc.h
 *
 * Copyright (c) 2011 Samsung Electronics Co., Ltd
 *              http://www.samsung.com
 *
 *  This program is free software; you can redistribute  it and/or modify it
 *  under  the terms of  the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the  License, or (at your
 *  option) any later version.
 *
 */

#ifndef __LINUX_MFD_SEC_RTC_H
#define __LINUX_MFD_SEC_RTC_H

enum s2m_rtc_reg {
	S2M_RTC_CTRL,
	S2M_RTC_WTSR_SMPL,
	S2M_RTC_UPDATE,
	S2M_CAP_SEL,
	S2M_RTC_SEC,
	S2M_RTC_MIN,
	S2M_RTC_HOUR,
	S2M_RTC_WEEK,
	S2M_RTC_DAY,
	S2M_RTC_MON,
	S2M_RTC_YEAR,
	S2M_ALARM0_SEC,
	S2M_ALARM0_MIN,
	S2M_ALARM0_HOUR,
	S2M_ALARM0_WEEK,
	S2M_ALARM0_DAY,
	S2M_ALARM0_MON,
	S2M_ALARM0_YEAR,
	S2M_ALARM1_SEC,
	S2M_ALARM1_MIN,
	S2M_ALARM1_HOUR,
	S2M_ALARM1_WEEK,
	S2M_ALARM1_DAY,
	S2M_ALARM1_MON,
	S2M_ALARM1_YEAR,
};

#define RTC_I2C_ADDR		(0x0C >> 1)

/* RTC Control Register */
#define BCD_EN_SHIFT			0
#define BCD_EN_MASK			(1 << BCD_EN_SHIFT)
#define MODEL24_SHIFT			1
#define MODEL24_MASK			(1 << MODEL24_SHIFT)
/* WTSR and SMPL Register */
#if defined(CONFIG_REGULATOR_S2MPS11)
#define WTSRT_SHIFT			0
#define SMPLT_SHIFT			2
#define WTSRT_MASK			(3 << WTSRT_SHIFT)
#define SMPLT_MASK			(3 << SMPLT_SHIFT)
#else
#define WTSRT_SHIFT			0
#define SMPLT_SHIFT			3
#define WTSRT_MASK			(7 << WTSRT_SHIFT)
#define SMPLT_MASK			(7 << SMPLT_SHIFT)
#endif
#define WTSR_EN_SHIFT			6
#define SMPL_EN_SHIFT			7
#define WTSR_EN_MASK			(1 << WTSR_EN_SHIFT)
#define SMPL_EN_MASK			(1 << SMPL_EN_SHIFT)
/* RTC Update Register */
#define RTC_RUDR_SHIFT			0
#define RTC_RUDR_MASK			(1 << RTC_RUDR_SHIFT)
#define RTC_AUDR_SHIFT			1
#define RTC_AUDR_MASK			(1 << RTC_AUDR_SHIFT)
#define RTC_AUDR_SHIFT_REV		4
#define RTC_AUDR_MASK_REV		(1 << RTC_AUDR_SHIFT_REV)
#define RTC_FREEZE_SHIFT		2
#define RTC_FREEZE_MASK			(1 << RTC_FREEZE_SHIFT)
#define RTC_WUDR_SHIFT			4
#define RTC_WUDR_MASK			(1 << RTC_WUDR_SHIFT)
#define RTC_WUDR_SHIFT_REV		1
#define RTC_WUDR_MASK_REV		(1 << RTC_WUDR_SHIFT_REV)
/* RTC HOUR Register */
#define HOUR_PM_SHIFT			6
#define HOUR_PM_MASK			(1 << HOUR_PM_SHIFT)
/* RTC Alarm Enable */
#define ALARM_ENABLE_SHIFT		7
#define ALARM_ENABLE_MASK		(1 << ALARM_ENABLE_SHIFT)
/* PMIC STATUS2 Register */
#define RTCA0E				(1<<2)
#define RTCA1E				(1<<1)

#define WTSR_TIMER_BITS(v)		(((v) << WTSRT_SHIFT) & WTSRT_MASK)
#define SMPL_TIMER_BITS(v)		(((v) << SMPLT_SHIFT) & SMPLT_MASK)

/* RTC Counter Register offsets */
enum {
	RTC_SEC = 0,
	RTC_MIN,
	RTC_HOUR,
	RTC_WEEKDAY,
	RTC_DATE,
	RTC_MONTH,
	RTC_YEAR,
	NR_RTC_CNT_REGS,
};

#endif /*  __LINUX_MFD_SEC_RTC_H */