/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* rtc.h -- RTC driver for Wolfson WM8350 PMIC
*
* Copyright 2007 Wolfson Microelectronics PLC
*/
#ifndef __LINUX_MFD_WM8350_RTC_H
#define __LINUX_MFD_WM8350_RTC_H
#include <linux/platform_device.h>
/*
* Register values.
*/
#define WM8350_RTC_SECONDS_MINUTES 0x10
#define WM8350_RTC_HOURS_DAY 0x11
#define WM8350_RTC_DATE_MONTH 0x12
#define WM8350_RTC_YEAR 0x13
#define WM8350_ALARM_SECONDS_MINUTES 0x14
#define WM8350_ALARM_HOURS_DAY 0x15
#define WM8350_ALARM_DATE_MONTH 0x16
#define WM8350_RTC_TIME_CONTROL 0x17
/*
* R16 (0x10) - RTC Seconds/Minutes
*/
#define WM8350_RTC_MINS_MASK 0x7F00
#define WM8350_RTC_MINS_SHIFT 8
#define WM8350_RTC_SECS_MASK 0x007F
#define WM8350_RTC_SECS_SHIFT 0
/*
* R17 (0x11) - RTC Hours/Day
*/
#define WM8350_RTC_DAY_MASK 0x0700
#define WM8350_RTC_DAY_SHIFT 8
#define WM8350_RTC_HPM_MASK 0x0020
#define WM8350_RTC_HPM_SHIFT 5
#define WM8350_RTC_HRS_MASK 0x001F
#define WM8350_RTC_HRS_SHIFT 0
/* Bit values for R21 (0x15) */
#define WM8350_RTC_DAY_SUN 1
#define WM8350_RTC_DAY_MON 2
#define WM8350_RTC_DAY_TUE 3
#define WM8350_RTC_DAY_WED 4
#define WM8350_RTC_DAY_THU 5
#define WM8350_RTC_DAY_FRI 6
#define WM8350_RTC_DAY_SAT 7
#define WM8350_RTC_HPM_AM 0
#define WM8350_RTC_HPM_PM 1
/*
* R18 (0x12) - RTC Date/Month
*/
#define WM8350_RTC_MTH_MASK 0x1F00
#define WM8350_RTC_MTH_SHIFT 8
#define WM8350_RTC_DATE_MASK 0x003F
#define WM8350_RTC_DATE_SHIFT 0
/* Bit values for R22 (0x16) */
#define WM8350_RTC_MTH_JAN 1
#define WM8350_RTC_MTH_FEB 2
#define WM8350_RTC_MTH_MAR 3
#define WM8350_RTC_MTH_APR 4
#define WM8350_RTC_MTH_MAY 5
#define WM8350_RTC_MTH_JUN 6
#define WM8350_RTC_MTH_JUL 7
#define WM8350_RTC_MTH_AUG 8
#define WM8350_RTC_MTH_SEP 9
#define WM8350_RTC_MTH_OCT 10
#define WM8350_RTC_MTH_NOV 11
#define WM8350_RTC_MTH_DEC 12
#define WM8350_RTC_MTH_JAN_BCD 0x01
#define WM8350_RTC_MTH_FEB_BCD 0x02
#define WM8350_RTC_MTH_MAR_BCD 0x03
#define WM8350_RTC_MTH_APR_BCD 0x04
#define WM8350_RTC_MTH_MAY_BCD 0x05
#define WM8350_RTC_MTH_JUN_BCD 0x06
#define WM8350_RTC_MTH_JUL_BCD 0x07
#define WM8350_RTC_MTH_AUG_BCD 0x08
#define WM8350_RTC_MTH_SEP_BCD 0x09
#define WM8350_RTC_MTH_OCT_BCD 0x10
#define WM8350_RTC_MTH_NOV_BCD 0x11
#define WM8350_RTC_MTH_DEC_BCD 0x12
/*
* R19 (0x13) - RTC Year
*/
#define WM8350_RTC_YHUNDREDS_MASK 0x3F00
#define WM8350_RTC_YHUNDREDS_SHIFT 8
#define WM8350_RTC_YUNITS_MASK 0x00FF
#define WM8350_RTC_YUNITS_SHIFT 0
/*
* R20 (0x14) - Alarm Seconds/Minutes
*/
#define WM8350_RTC_ALMMINS_MASK 0x7F00
#define WM8350_RTC_ALMMINS_SHIFT 8
#define WM8350_RTC_ALMSECS_MASK 0x007F
#define WM8350_RTC_ALMSECS_SHIFT 0
/* Bit values for R20 (0x14) */
#define WM8350_RTC_ALMMINS_DONT_CARE -1
#define WM8350_RTC_ALMSECS_DONT_CARE -1
/*
* R21 (0x15) - Alarm Hours/Day
*/
#define WM8350_RTC_ALMDAY_MASK 0x0F00
#define WM8350_RTC_ALMDAY_SHIFT 8
#define WM8350_RTC_ALMHPM_MASK 0x0020
#define WM8350_RTC_ALMHPM_SHIFT 5
#define WM8350_RTC_ALMHRS_MASK 0x001F
#define WM8350_RTC_ALMHRS_SHIFT 0
/* Bit values for R21 (0x15) */
#define WM8350_RTC_ALMDAY_DONT_CARE -1
#define WM8350_RTC_ALMDAY_SUN 1
#define WM8350_RTC_ALMDAY_MON 2
#define WM8350_RTC_ALMDAY_TUE 3
#define WM8350_RTC_ALMDAY_WED 4
#define WM8350_RTC_ALMDAY_THU 5
#define WM8350_RTC_ALMDAY_FRI 6
#define WM8350_RTC_ALMDAY_SAT 7
#define WM8350_RTC_ALMHPM_AM 0
#define WM8350_RTC_ALMHPM_PM 1
#define WM8350_RTC_ALMHRS_DONT_CARE -1
/*
* R22 (0x16) - Alarm Date/Month
*/
#define WM8350_RTC_ALMMTH_MASK 0x1F00
#define WM8350_RTC_ALMMTH_SHIFT 8
#define WM8350_RTC_ALMDATE_MASK 0x003F
#define WM8350_RTC_ALMDATE_SHIFT 0
/* Bit values for R22 (0x16) */
#define WM8350_RTC_ALMDATE_DONT_CARE -1
#define WM8350_RTC_ALMMTH_DONT_CARE -1
#define WM8350_RTC_ALMMTH_JAN 1
#define WM8350_RTC_ALMMTH_FEB 2
#define WM8350_RTC_ALMMTH_MAR 3
#define WM8350_RTC_ALMMTH_APR 4
#define WM8350_RTC_ALMMTH_MAY 5
#define WM8350_RTC_ALMMTH_JUN 6
#define WM8350_RTC_ALMMTH_JUL 7
#define WM8350_RTC_ALMMTH_AUG 8
#define WM8350_RTC_ALMMTH_SEP 9
#define WM8350_RTC_ALMMTH_OCT 10
#define WM8350_RTC_ALMMTH_NOV 11
#define WM8350_RTC_ALMMTH_DEC 12
#define WM8350_RTC_ALMMTH_JAN_BCD 0x01
#define WM8350_RTC_ALMMTH_FEB_BCD 0x02
#define WM8350_RTC_ALMMTH_MAR_BCD 0x03
#define WM8350_RTC_ALMMTH_APR_BCD 0x04
#define WM8350_RTC_ALMMTH_MAY_BCD 0x05
#define WM8350_RTC_ALMMTH_JUN_BCD 0x06
#define WM8350_RTC_ALMMTH_JUL_BCD 0x07
#define WM8350_RTC_ALMMTH_AUG_BCD 0x08
#define WM8350_RTC_ALMMTH_SEP_BCD 0x09
#define WM8350_RTC_ALMMTH_OCT_BCD 0x10
#define WM8350_RTC_ALMMTH_NOV_BCD 0x11
#define WM8350_RTC_ALMMTH_DEC_BCD 0x12
/*
* R23 (0x17) - RTC Time Control
*/
#define WM8350_RTC_BCD 0x8000
#define WM8350_RTC_BCD_MASK 0x8000
#define WM8350_RTC_BCD_SHIFT 15
#define WM8350_RTC_12HR 0x4000
#define WM8350_RTC_12HR_MASK 0x4000
#define WM8350_RTC_12HR_SHIFT 14
#define WM8350_RTC_DST 0x2000
#define WM8350_RTC_DST_MASK 0x2000
#define WM8350_RTC_DST_SHIFT 13
#define WM8350_RTC_SET 0x0800
#define WM8350_RTC_SET_MASK 0x0800
#define WM8350_RTC_SET_SHIFT 11
#define WM8350_RTC_STS 0x0400
#define WM8350_RTC_STS_MASK 0x0400
#define WM8350_RTC_STS_SHIFT 10
#define WM8350_RTC_ALMSET 0x0200
#define WM8350_RTC_ALMSET_MASK 0x0200
#define WM8350_RTC_ALMSET_SHIFT 9
#define WM8350_RTC_ALMSTS 0x0100
#define WM8350_RTC_ALMSTS_MASK 0x0100
#define WM8350_RTC_ALMSTS_SHIFT 8
#define WM8350_RTC_PINT 0x0070
#define WM8350_RTC_PINT_MASK 0x0070
#define WM8350_RTC_PINT_SHIFT 4
#define WM8350_RTC_DSW 0x000F
#define WM8350_RTC_DSW_MASK 0x000F
#define WM8350_RTC_DSW_SHIFT 0
/* Bit values for R23 (0x17) */
#define WM8350_RTC_BCD_BINARY 0
#define WM8350_RTC_BCD_BCD 1
#define WM8350_RTC_12HR_24HR 0
#define WM8350_RTC_12HR_12HR 1
#define WM8350_RTC_DST_DISABLED 0
#define WM8350_RTC_DST_ENABLED 1
#define WM8350_RTC_SET_RUN 0
#define WM8350_RTC_SET_SET 1
#define WM8350_RTC_STS_RUNNING 0
#define WM8350_RTC_STS_STOPPED 1
#define WM8350_RTC_ALMSET_RUN 0
#define WM8350_RTC_ALMSET_SET 1
#define WM8350_RTC_ALMSTS_RUNNING 0
#define WM8350_RTC_ALMSTS_STOPPED 1
#define WM8350_RTC_PINT_DISABLED 0
#define WM8350_RTC_PINT_SECS 1
#define WM8350_RTC_PINT_MINS 2
#define WM8350_RTC_PINT_HRS 3
#define WM8350_RTC_PINT_DAYS 4
#define WM8350_RTC_PINT_MTHS 5
#define WM8350_RTC_DSW_DISABLED 0
#define WM8350_RTC_DSW_1HZ 1
#define WM8350_RTC_DSW_2HZ 2
#define WM8350_RTC_DSW_4HZ 3
#define WM8350_RTC_DSW_8HZ 4
#define WM8350_RTC_DSW_16HZ 5
#define WM8350_RTC_DSW_32HZ 6
#define WM8350_RTC_DSW_64HZ 7
#define WM8350_RTC_DSW_128HZ 8
#define WM8350_RTC_DSW_256HZ 9
#define WM8350_RTC_DSW_512HZ 10
#define WM8350_RTC_DSW_1024HZ 11
/*
* R218 (0xDA) - RTC Tick Control
*/
#define WM8350_RTC_TICKSTS 0x4000
#define WM8350_RTC_CLKSRC 0x2000
#define WM8350_RTC_TRIM_MASK 0x03FF
/*
* RTC Interrupts.
*/
#define WM8350_IRQ_RTC_PER 7
#define WM8350_IRQ_RTC_SEC 8
#define WM8350_IRQ_RTC_ALM 9
struct wm8350_rtc {
struct platform_device *pdev;
struct rtc_device *rtc;
int alarm_enabled; /* used over suspend/resume */
int update_enabled;
};
#endif
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