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/* Copyright 2021 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef __CROS_EC_RTC_IDT1337AG_H
#define __CROS_EC_RTC_IDT1337AG_H
/* Setting bit 6 of register 0Ah selects the DAY as alarm source */
#define SELECT_DAYS_ALARM 0x40
#define DISABLE_ALARM 0x80
#define CONTROL_A1IE BIT(0)
#define CONTROL_A2IE BIT(1)
#define CONTROL_INTCN BIT(2)
#define CONTROL_EOSC BIT(7)
#define STATUS_A1F BIT(0)
#define STATUS_A2F BIT(1)
#define STATUS_OSF BIT(7)
#define NUM_TIMER_REGS 7
#define NUM_ALARM_REGS 4
#define REG_SECONDS 0x00
#define REG_MINUTES 0x01
#define REG_HOURS 0x02
#define REG_DAYS 0x03
#define REG_DATE 0x04
#define REG_MONTHS 0x05
#define REG_YEARS 0x06
#define REG_SECOND_ALARM1 0x07
#define REG_MINUTE_ALARM1 0x08
#define REG_HOUR_ALARM1 0x09
#define REG_DAY_ALARM1 0x0a
#define REG_MINUTE_ALARM2 0x0b
#define REG_HOUR_ALARM2 0x0c
#define REG_DAY_ALARM2 0x0d
#define REG_CONTROL 0x0e
#define REG_STATUS 0x0f
/* Macros for indexing time_reg buffer */
#define SECONDS 0
#define MINUTES 1
#define HOURS 2
#define DAYS 3
#define DATE 4
#define MONTHS 5
#define YEARS 6
enum bcd_mask {
SECONDS_MASK = 0x70,
MINUTES_MASK = 0x70,
HOURS24_MASK = 0x30,
DAYS_MASK = 0x00,
MONTHS_MASK = 0x10,
YEARS_MASK = 0xf0
};
#endif /* __CROS_EC_RTC_IDT1337AG_H */
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