89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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#ifndef MTK_RTC_H
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#define MTK_RTC_H
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#include <linux/rtc.h>
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enum rtc_gpio_user_t {
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RTC_GPIO_USER_WIFI = 8,
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RTC_GPIO_USER_GPS = 9,
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RTC_GPIO_USER_BT = 10,
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RTC_GPIO_USER_FM = 11,
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RTC_GPIO_USER_PMIC = 12,
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};
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#ifdef CONFIG_MTK_RTC
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/*
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* NOTE:
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* 1. RTC_GPIO always exports 32K enabled
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* by some user even if the phone is powered off
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*/
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extern unsigned long rtc_read_hw_time(void);
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extern void rtc_gpio_enable_32k(enum rtc_gpio_user_t user);
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extern void rtc_gpio_disable_32k(enum rtc_gpio_user_t user);
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extern bool rtc_gpio_32k_status(void);
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/* for AUDIOPLL (deprecated) */
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extern void rtc_enable_abb_32k(void);
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extern void rtc_disable_abb_32k(void);
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/* NOTE: used in Sleep driver to workaround Vrtc-Vore level shifter issue */
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extern void rtc_enable_writeif(void);
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extern void rtc_disable_writeif(void);
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extern void rtc_mark_recovery(void);
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extern void rtc_mark_kpoc(void);
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extern void rtc_mark_fast(void);
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extern u16 rtc_rdwr_uart_bits(u16 *val);
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extern void rtc_bbpu_power_down(void);
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extern void rtc_read_pwron_alarm(struct rtc_wkalrm *alm);
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extern int get_rtc_spare_fg_value(void);
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extern int set_rtc_spare_fg_value(int val);
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extern int get_rtc_spare0_fg_value(void);
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extern int set_rtc_spare0_fg_value(int val);
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extern void rtc_irq_handler(void);
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extern bool crystal_exist_status(void);
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extern void mt_power_off(void);
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#elif defined(CONFIG_MT6358_MISC)
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extern void rtc_gpio_enable_32k(enum rtc_gpio_user_t user);
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extern void rtc_gpio_disable_32k(enum rtc_gpio_user_t user);
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extern void rtc_mark_recovery(void);
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extern void rtc_mark_kpoc(void);
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extern void rtc_mark_fast(void);
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extern void rtc_read_pwron_alarm(struct rtc_wkalrm *alm);
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extern int get_rtc_spare_fg_value(void);
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extern int set_rtc_spare_fg_value(int val);
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extern int get_rtc_spare0_fg_value(void);
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extern int set_rtc_spare0_fg_value(int val);
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extern bool crystal_exist_status(void);
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#else/*ifdef CONFIG_MTK_RTC*/
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#define rtc_read_hw_time() ({ 0; })
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#define rtc_gpio_enable_32k(user) ({ 0; })
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#define rtc_gpio_disable_32k(user) ({ 0; })
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#define rtc_mark_recovery() ({ 0; })
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#define rtc_mark_kpoc() ({ 0; })
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#define rtc_mark_fast() ({ 0; })
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#define rtc_read_pwron_alarm(alm) ({ 0; })
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#define get_rtc_spare_fg_value() ({ 0; })
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#define set_rtc_spare_fg_value(val) ({ 0; })
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#define get_rtc_spare0_fg_value() ({ 0; })
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#define set_rtc_spare0_fg_value(val) ({ 0; })
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#define crystal_exist_status() ({ 0; })
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#endif/*ifdef CONFIG_MTK_RTC*/
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void __attribute__((weak)) rtc_clock_enable(int enable)
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{
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}
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void __attribute__((weak)) rtc_lpsd_restore_al_mask(void)
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{
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}
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void __attribute__((weak)) rtc_reset_bbpu_alarm_status(void)
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{
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}
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#endif
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