/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */

#ifndef SOC_MEDIATEK_MT8183_RTC_H
#define SOC_MEDIATEK_MT8183_RTC_H

#include <soc/rtc_common.h>

/* RTC registers */
enum {
	RTC_BBPU = 0x0588,
	RTC_IRQ_STA = 0x058A,
	RTC_IRQ_EN = 0x058C,
	RTC_CII_EN = 0x058E
};

enum {
	RTC_TC_SEC = 0x0592,
	RTC_TC_MIN = 0x0594,
	RTC_TC_HOU = 0x0596,
	RTC_TC_DOM = 0x0598,
	RTC_TC_DOW = 0x059A,
	RTC_TC_MTH = 0x059C,
	RTC_TC_YEA = 0x059E
};

enum {
	RTC_AL_SEC = 0x05A0,
	RTC_AL_MIN = 0x05A2,
	RTC_AL_HOU = 0x05A4,
	RTC_AL_DOM = 0x05A6,
	RTC_AL_DOW = 0x05A8,
	RTC_AL_MTH = 0x05AA,
	RTC_AL_YEA = 0x05AC,
	RTC_AL_MASK = 0x0590
};

enum {
	RTC_OSC32CON = 0x05AE,
	RTC_CON = 0x05C4,
	RTC_WRTGR = 0x05C2
};

enum {
	RTC_POWERKEY1 = 0x05B0,
	RTC_POWERKEY2 = 0x05B2
};

enum {
	RTC_PDN1 = 0x05B4,
	RTC_PDN2 = 0x05B6,
	RTC_SPAR0 = 0x05B8,
	RTC_SPAR1 = 0x05BA,
	RTC_PROT = 0x05BC,
	RTC_DIFF = 0x05BE,
	RTC_CALI = 0x05C0
};

enum {
	RTC_BBPU_PWREN	= 1U << 0,
	RTC_BBPU_CLR	= 1U << 1,
	RTC_BBPU_INIT	= 1U << 2,
	RTC_BBPU_AUTO	= 1U << 3,
	RTC_BBPU_CLRPKY	= 1U << 4,
	RTC_BBPU_RELOAD	= 1U << 5,
	RTC_BBPU_CBUSY	= 1U << 6,

	RTC_CBUSY_TIMEOUT_US = 8000
};

enum {
	RTC_CON_VBAT_LPSTA_RAW	= 1U << 0,
	RTC_CON_EOSC32_LPEN	= 1U << 1,
	RTC_CON_XOSC32_LPEN	= 1U << 2,
	RTC_CON_LPRST		= 1U << 3,
	RTC_CON_CDBO		= 1U << 4,
	RTC_CON_F32KOB		= 1U << 5,
	RTC_CON_GPO		= 1U << 6,
	RTC_CON_GOE		= 1U << 7,
	RTC_CON_GSR		= 1U << 8,
	RTC_CON_GSMT		= 1U << 9,
	RTC_CON_GPEN		= 1U << 10,
	RTC_CON_GPU		= 1U << 11,
	RTC_CON_GE4		= 1U << 12,
	RTC_CON_GE8		= 1U << 13,
	RTC_CON_GPI		= 1U << 14,
	RTC_CON_LPSTA_RAW	= 1U << 15
};

enum {
	RTC_XOSCCALI_MASK	= 0x1F << 0,
	RTC_XOSC32_ENB		= 1U << 5,
	RTC_EMB_HW_MODE		= 0U << 6,
	RTC_EMB_K_EOSC32_MODE	= 1U << 6,
	RTC_EMB_SW_DCXO_MODE	= 2U << 6,
	RTC_EMB_SW_EOSC32_MODE	= 3U << 6,
	RTC_EMBCK_SEL_MODE_MASK	= 3U << 6,
	RTC_EMBCK_SRC_SEL	= 1U << 8,
	RTC_EMBCK_SEL_OPTION	= 1U << 9,
	RTC_GPS_CKOUT_EN	= 1U << 10,
	RTC_REG_XOSC32_ENB	= 1U << 15
};

enum {
	RTC_LPD_OPT_XOSC_AND_EOSC_LPD	= 0U << 13,
	RTC_LPD_OPT_EOSC_LPD		= 1U << 13,
	RTC_LPD_OPT_XOSC_LPD		= 2U << 13,
	RTC_LPD_OPT_F32K_CK_ALIVE	= 3U << 13,
	RTC_LPD_OPT_MASK		= 3U << 13
};

/* PMIC TOP Register Definition */
enum {
	PMIC_RG_SCK_TOP_CON0 = 0x050C
};

/* PMIC TOP Register Definition */
enum {
	PMIC_RG_TOP_CKPDN_CON0 = 0x010C,
	PMIC_RG_TOP_CKPDN_CON0_SET = 0x010E,
	PMIC_RG_TOP_CKPDN_CON0_CLR = 0x0110,
	PMIC_RG_TOP_CKPDN_CON1 = 0x0112,
	PMIC_RG_TOP_CKPDN_CON1_SET = 0x0114,
	PMIC_RG_TOP_CKPDN_CON1_CLR = 0x0116,
	PMIC_RG_TOP_CKSEL_CON0 = 0x0118,
	PMIC_RG_TOP_CKSEL_CON0_SET = 0x011A,
	PMIC_RG_TOP_CKSEL_CON0_CLR = 0x011C
};

enum {
	PMIC_RG_FQMTR_32K_CK_PDN_SHIFT = 10,
	PMIC_RG_FQMTR_CK_PDN_SHIFT = 11
};

/* PMIC DCXO Register Definition */
enum {
	PMIC_RG_DCXO_CW00 = 0x0788,
	PMIC_RG_DCXO_CW00_CLR = 0x078C,
	PMIC_RG_DCXO_CW02 = 0x0790,
	PMIC_RG_DCXO_CW07 = 0x079A,
	PMIC_RG_DCXO_CW09 = 0x079E,
	PMIC_RG_DCXO_CW11 = 0x07A2,
	PMIC_RG_DCXO_CW13 = 0x07AA,
	PMIC_RG_DCXO_CW15 = 0x07AE,
	PMIC_RG_DCXO_CW16 = 0x07B0,
	PMIC_RG_DCXO_CW21 = 0x07BA,
	PMIC_RG_DCXO_CW23 = 0x07BE,
	PMIC_RG_DCXO_ELR0 = 0x07C4
};

enum {
	PMIC_RG_TOP_TMA_KEY = 0x03A8
};

/* PMIC Frequency Meter Definition */
enum {
	PMIC_RG_FQMTR_CKSEL	= 0x0118,
	PMIC_RG_FQMTR_RST	= 0x013E,
	PMIC_RG_FQMTR_CON0	= 0x0514,
	PMIC_RG_FQMTR_WINSET	= 0x0516,
	PMIC_RG_FQMTR_DATA	= 0x0518,

	FQMTR_TIMEOUT_US	= 8000
};

enum {
	PMIC_FQMTR_FIX_CLK_26M		= 0U << 0,
	PMIC_FQMTR_FIX_CLK_XOSC_32K_DET	= 1U << 0,
	PMIC_FQMTR_FIX_CLK_EOSC_32K	= 2U << 0,
	PMIC_FQMTR_FIX_CLK_RTC_32K	= 3U << 0,
	PMIC_FQMTR_FIX_CLK_SMPS_CK	= 4U << 0,
	PMIC_FQMTR_FIX_CLK_TCK_SEC	= 5U << 0,
	PMIC_FQMTR_FIX_CLK_PMU_75K	= 6U << 0,
	PMIC_FQMTR_CKSEL_MASK		= 7U << 0
};

enum {
	PMIC_FQMTR_RST_SHIFT = 8
};

enum {
	PMIC_FQMTR_CON0_XOSC32_CK	= 0U << 0,
	PMIC_FQMTR_CON0_DCXO_F32K_CK	= 1U << 0,
	PMIC_FQMTR_CON0_EOSC32_CK	= 2U << 0,
	PMIC_FQMTR_CON0_XOSC32_CK_DETECTON = 3U << 0,
	PMIC_FQMTR_CON0_FQM26M_CK	= 4U << 0,
	PMIC_FQMTR_CON0_FQM32k_CK	= 5U << 0,
	PMIC_FQMTR_CON0_TEST_CK		= 6U << 0,
	PMIC_FQMTR_CON0_TCKSEL_MASK	= 7U << 0,
	PMIC_FQMTR_CON0_BUSY		= 1U << 3,
	PMIC_FQMTR_CON0_DCXO26M_EN	= 1U << 4,
	PMIC_FQMTR_CON0_FQMTR_EN	= 1U << 15
};

enum {
	RTC_FQMTR_LOW_BASE = 794 - 2,
	RTC_FQMTR_HIGH_BASE = 794 + 2
};

enum {
	RTC_XOSCCALI_START = 0x00,
	RTC_XOSCCALI_END = 0x1f
};

/* external API */
void rtc_bbpu_power_on(void);
void rtc_osc_init(void);
int rtc_init(u8 recover);
void rtc_boot(void);
void mt6358_dcxo_disable_unused(void);

#endif /* SOC_MEDIATEK_MT8183_RTC_H */