git subrepo pull --force emummc

subrepo:
  subdir:   "emummc"
  merged:   "2fc47cbb8"
upstream:
  origin:   "https://github.com/lulle2007200/emuMMC.git"
  branch:   "develop"
  commit:   "2fc47cbb8"
git-subrepo:
  version:  "0.4.9"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "30db3b8"

emummc/source/fatal/bdk/rtc/max77620-rtc.h

@@ -0,0 +1,120 @@
+/*
+ * PMIC Real Time Clock driver for Nintendo Switch's MAX77620-RTC
+ *
+ * Copyright (c) 2018-2022 CTCaer
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _MFD_MAX77620_RTC_H_
+#define _MFD_MAX77620_RTC_H_
+
+#include <utils/types.h>
+
+#define MAX77620_RTC_I2C_ADDR       0x68
+
+#define MAX77620_RTC_NR_TIME_REGS   7
+
+#define MAX77620_RTC_RTCINT_REG     0x00
+#define MAX77620_RTC_RTCINTM_REG    0x01
+#define MAX77620_RTC_CONTROLM_REG   0x02
+#define MAX77620_RTC_CONTROL_REG    0x03
+#define  MAX77620_RTC_BIN_FORMAT    BIT(0)
+#define  MAX77620_RTC_24H           BIT(1)
+
+#define MAX77620_RTC_UPDATE0_REG    0x04
+#define  MAX77620_RTC_WRITE_UPDATE  BIT(0)
+#define  MAX77620_RTC_READ_UPDATE   BIT(4)
+
+#define MAX77620_RTC_UPDATE1_REG    0x05
+#define MAX77620_RTC_RTCSMPL_REG    0x06
+
+#define MAX77620_RTC_SEC_REG        0x07
+#define MAX77620_RTC_MIN_REG        0x08
+#define MAX77620_RTC_HOUR_REG       0x09
+#define  MAX77620_RTC_HOUR_PM_MASK  BIT(6)
+#define MAX77620_RTC_WEEKDAY_REG    0x0A
+#define MAX77620_RTC_MONTH_REG      0x0B
+#define MAX77620_RTC_YEAR_REG       0x0C
+#define MAX77620_RTC_DATE_REG       0x0D
+
+#define MAX77620_ALARM1_SEC_REG     0x0E
+#define MAX77620_ALARM1_MIN_REG     0x0F
+#define MAX77620_ALARM1_HOUR_REG    0x10
+#define MAX77620_ALARM1_WEEKDAY_REG 0x11
+#define MAX77620_ALARM1_MONTH_REG   0x12
+#define MAX77620_ALARM1_YEAR_REG    0x13
+#define MAX77620_ALARM1_DATE_REG    0x14
+#define MAX77620_ALARM2_SEC_REG     0x15
+#define MAX77620_ALARM2_MIN_REG     0x16
+#define MAX77620_ALARM2_HOUR_REG    0x17
+#define MAX77620_ALARM2_WEEKDAY_REG 0x18
+#define MAX77620_ALARM2_MONTH_REG   0x19
+#define MAX77620_ALARM2_YEAR_REG    0x1A
+#define MAX77620_ALARM2_DATE_REG    0x1B
+#define  MAX77620_RTC_ALARM_EN_MASK	BIT(7)
+
+typedef struct _rtc_time_t {
+	u8  weekday;
+	u8  sec;
+	u8  min;
+	u8  hour;
+	u8  day;
+	u8  month;
+	u16 year;
+} rtc_time_t;
+
+#define RTC_REBOOT_REASON_MAGIC 0x77 // 7-bit reg.
+
+enum {
+	REBOOT_REASON_NOP   = 0, // Use [config].
+	REBOOT_REASON_SELF  = 1, // Use autoboot_idx/autoboot_list.
+	REBOOT_REASON_MENU  = 2, // Force menu.
+	REBOOT_REASON_UMS   = 3, // Force selected UMS partition.
+	REBOOT_REASON_REC   = 4, // Set PMC_SCRATCH0_MODE_RECOVERY and reboot to self.
+	REBOOT_REASON_PANIC = 5  // Inform bootloader that panic occured if T210B01.
+};
+
+typedef struct _rtc_rr_decoded_t
+{
+	u16 reason:4;
+	u16 autoboot_idx:4;
+	u16 autoboot_list:1;
+	u16 ums_idx:3;
+} rtc_rr_decoded_t;
+
+typedef struct _rtc_rr_encoded_t
+{
+	u16 val1:6; // 6-bit reg.
+	u16 val2:6; // 6-bit reg.
+} rtc_rr_encoded_t;
+
+typedef struct _rtc_reboot_reason_t
+{
+	union {
+		rtc_rr_decoded_t dec;
+		rtc_rr_encoded_t enc;
+	};
+} rtc_reboot_reason_t;
+
+void max77620_rtc_prep_read();
+void max77620_rtc_get_time(rtc_time_t *time);
+void max77620_rtc_get_time_adjusted(rtc_time_t *time);
+void max77620_rtc_set_epoch_offset(int offset);
+void max77620_rtc_stop_alarm();
+void max77620_rtc_epoch_to_date(u32 epoch, rtc_time_t *time);
+u32  max77620_rtc_date_to_epoch(const rtc_time_t *time);
+void max77620_rtc_set_reboot_reason(rtc_reboot_reason_t *rr);
+bool max77620_rtc_get_reboot_reason(rtc_reboot_reason_t *rr);
+
+#endif /* _MFD_MAX77620_RTC_H_ */