2019-06-05 13:29:51 +02:00
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/****************************************************************************
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* arch/arm/include/cxd56xx/pm.h
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*
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2021-03-31 18:53:35 +02:00
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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2019-06-05 13:29:51 +02:00
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*
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2021-03-31 18:53:35 +02:00
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* http://www.apache.org/licenses/LICENSE-2.0
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2019-06-05 13:29:51 +02:00
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*
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2021-03-31 18:53:35 +02:00
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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2019-06-05 13:29:51 +02:00
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*
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****************************************************************************/
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#ifndef __ARCH_ARM_INCLUDE_CXD56XX_PM_H
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#define __ARCH_ARM_INCLUDE_CXD56XX_PM_H
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2020-04-14 12:50:12 +02:00
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/****************************************************************************
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* Included Files
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****************************************************************************/
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2019-06-05 13:29:51 +02:00
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#include <queue.h>
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/****************************************************************************
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2021-03-21 11:37:01 +01:00
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* Pre-processor Prototypes
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2019-06-05 13:29:51 +02:00
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****************************************************************************/
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/* Boot Cause definitions */
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#define PM_BOOT_POR_NORMAL (0x00000000ul) /** Power On Reset like as battery attached */
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#define PM_BOOT_POR_DEADBATT (0x00000001ul) /** Battery charged from DeadBattery state */
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#define PM_BOOT_WDT_REBOOT (0x00000002ul) /** System WDT expired or Explicitly Self Reboot */
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#define PM_BOOT_WDT_RESET (0x00000004ul) /** Chip WDT expired (might be used in HV-only system) */
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#define PM_BOOT_DEEP_WKUPL (0x00000008ul) /** In DeepSleep state, Detected WKUPL signal */
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#define PM_BOOT_DEEP_WKUPS (0x00000010ul) /** In DeepSleep state, Detected WKUPS signal */
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#define PM_BOOT_DEEP_RTC (0x00000020ul) /** In DeepSleep state, RTC Alarm expired */
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#define PM_BOOT_DEEP_USB_ATTACH (0x00000040ul) /** In DeepSleep state, USB Connected */
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#define PM_BOOT_DEEP_OTHERS (0x00000080ul) /** In DeepSleep state, Reserved others cause occurred */
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#define PM_BOOT_COLD_SCU_INT (0x00000100ul) /** In ColdSleep state, Detected SCU Interrupt */
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#define PM_BOOT_COLD_RTC (0x00001e00ul) /** In ColdSleep state, RTC Alarm Interrupt */
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#define PM_BOOT_COLD_RTC_ALM0 (0x00000200ul) /** In ColdSleep state, RTC Alarm0 expired */
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#define PM_BOOT_COLD_RTC_ALM1 (0x00000400ul) /** In ColdSleep state, RTC Alarm1 expired */
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#define PM_BOOT_COLD_RTC_ALM2 (0x00000800ul) /** In ColdSleep state, RTC Alarm2 expired */
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#define PM_BOOT_COLD_RTC_ALMERR (0x00001000ul) /** In ColdSleep state, RTC Alarm Error occurred */
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#define PM_BOOT_COLD_GPIO (0x0fff0000ul) /** In ColdSleep state, Detected GPIO interrupt */
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#define PM_BOOT_COLD_SEN_INT (0x10000000ul) /** In ColdSleep state, Detected SEN_INT Interrupt */
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#define PM_BOOT_COLD_PMIC_INT (0x20000000ul) /** In ColdSleep state, Detected PMIC Interrupt */
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#define PM_BOOT_COLD_USB_DETACH (0x40000000ul) /** In ColdSleep state, USB Disconnected */
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#define PM_BOOT_COLD_USB_ATTACH (0x80000000ul) /** In ColdSleep state, USB Connected */
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/* SRAM power status definitions */
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#define PMCMD_RAM_OFF 0 /* Power off */
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#define PMCMD_RAM_RET 1 /* Retention */
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#define PMCMD_RAM_ON 3 /* Power on */
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/* FrequencyLock request flag definitions */
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#define PM_CPUFREQLOCK_FLAG_HV (0x0001) /* request HV */
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#define PM_CPUFREQLOCK_FLAG_LV (0x4000) /* request LV */
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/* FrequencyLock identifier tag helper macro function */
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#define PM_CPUFREQLOCK_TAG(prefix1, prefix2, num) \
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(((prefix1) << 24) + ((prefix2) << 16) + (num))
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/* FrequencyLock initializer macro function */
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# define PM_CPUFREQLOCK_INIT(_tag, _flag) \
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{ \
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.count = 0, \
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.info = _tag, \
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.flag = _flag, \
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}
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/* WakeLock identifier tag helper macro function */
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#define PM_CPUWAKELOCK_TAG(prefix1, prefix2, num) \
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(((prefix1) << 24) + ((prefix2) << 16) + (num))
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/* WakeLock initializer macro function */
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#define PM_CPUWAKELOCK_INIT(_tag) \
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{ \
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.count = 0, \
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.info = _tag, \
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}
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/* slee mode definitions */
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enum pm_sleepmode_e
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{
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PM_SLEEP_DEEP,
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PM_SLEEP_COLD,
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};
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/* FreqLock structure */
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struct pm_cpu_freqlock_s
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{
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struct sq_entry_s sq_entry;
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int count;
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uint32_t info;
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int flag;
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};
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/* WakeLock structure */
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struct pm_cpu_wakelock_s
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{
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struct sq_entry_s sq_entry;
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int count;
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uint32_t info;
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};
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2021-03-21 11:37:01 +01:00
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/* Prototypes for pmic notify */
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2019-06-05 13:29:51 +02:00
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enum pmic_notify_e
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{
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PMIC_NOTIFY_ALARM = 0,
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PMIC_NOTIFY_WKUPS,
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PMIC_NOTIFY_WKUPL,
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PMIC_NOTIFY_LOWBATT,
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PMIC_NOTIFY_MAX
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};
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/* callback function for pmic notify */
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typedef void (*pmic_notify_t)(void *arg);
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Name: up_pmstatdump
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*
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* Description:
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* Print architecture specific power status
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*
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****************************************************************************/
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int up_pmramctrl(int cmd, uintptr_t addr, size_t size);
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#ifdef CONFIG_DEBUG_PM
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/****************************************************************************
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* Name: up_pmstatdump
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*
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* Description:
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* Print architecture specific power status
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*
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****************************************************************************/
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void up_pmstatdump(void);
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#else
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# define up_pmstatdump()
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#endif
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/****************************************************************************
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* Name: up_pm_acquire_freqlock
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*
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* Description:
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* Acquire the specified freqlock. If the higher freqlock is acquired, the
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* system can clockup until it is released.
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*
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* Parameter:
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* lock - the pointer of a wakelock variable
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*
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****************************************************************************/
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void up_pm_acquire_freqlock(struct pm_cpu_freqlock_s *lock);
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/****************************************************************************
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* Name: up_pm_release_freqlock
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*
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* Description:
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* Release the specified freqlock. If the freqlock are released, the system
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* can drop to the lower clock mode for power saving.
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*
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* Parameter:
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* lock - the pointer of a freqlock variable
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*
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****************************************************************************/
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void up_pm_release_freqlock(struct pm_cpu_freqlock_s *lock);
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/****************************************************************************
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* Name: up_pm_get_freqlock_count
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*
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* Description:
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* Get the locked count of the specified freqlock
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*
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* Parameter:
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* lock - the pointer of a freqlock variable
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*
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* Return:
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* the locked count of the specified freqlock
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*
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****************************************************************************/
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int up_pm_get_freqlock_count(struct pm_cpu_freqlock_s *lock);
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/****************************************************************************
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* Name: up_pm_acquire_wakelock
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*
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* Description:
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* Acquire the specified wakelock. If any wakelock is acquired, CPU can't
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* enter to the hot sleep state.
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*
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* Parameter:
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* lock - the pointer of a wakelock variable
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*
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****************************************************************************/
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void up_pm_acquire_wakelock(struct pm_cpu_wakelock_s *lock);
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/****************************************************************************
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* Name: up_pm_release_wakelock
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*
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* Description:
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* Release the specified wakelock. If all of the wakelock are released,
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* CPU can enter to the hot sleep state.
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*
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* Parameter:
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* lock - the pointer of a wakelock variable
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*
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****************************************************************************/
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void up_pm_release_wakelock(struct pm_cpu_wakelock_s *lock);
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/****************************************************************************
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* Name: up_pm_count_acquire_wakelock
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*
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* Description:
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* Count the total number of wakelock
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*
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* Return:
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* the total number of wakelock
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*
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****************************************************************************/
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int up_pm_count_acquire_wakelock(void);
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/****************************************************************************
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* Name: up_pm_get_bootcause
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*
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* Description:
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* Get the system boot cause. This boot cause indicates the cause why the
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* system is launched from the state of power-off, deep sleep or cold
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* sleep. Each boot cause is defined as PM_BOOT_XXX.
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2019-06-05 13:29:51 +02:00
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*
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* Return:
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* Boot cause
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*
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****************************************************************************/
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uint32_t up_pm_get_bootcause(void);
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/****************************************************************************
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* Name: up_pm_get_bootmask
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*
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* Description:
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* Get the system boot mask. This boot mask indicates whether the specified
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* bit is enabled or not as the boot cause. If a bit of boot mask is set,
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* the boot cause is enabled. Each boot mask is defined as PM_BOOT_XXX.
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*
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* Return:
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* Boot mask
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*
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****************************************************************************/
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uint32_t up_pm_get_bootmask(void);
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/****************************************************************************
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* Name: up_pm_set_bootmask
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*
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* Description:
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* Enable the boot cause of the specified bit.
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*
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* Parameter:
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* mask - OR of Boot mask defined as PM_BOOT_XXX
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*
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* Return:
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* Updated boot mask
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*
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****************************************************************************/
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uint32_t up_pm_set_bootmask(uint32_t mask);
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/****************************************************************************
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* Name: up_pm_clr_bootmask
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*
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* Description:
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* Disable the boot cause of the specified bit.
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*
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* Parameter:
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* mask - OR of Boot mask defined as PM_BOOT_XXX
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*
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* Return:
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* Updated boot mask
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*
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****************************************************************************/
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uint32_t up_pm_clr_bootmask(uint32_t mask);
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/****************************************************************************
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* Name: up_pm_sleep
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*
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* Description:
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* Enter sleep mode. This function never returns.
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*
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* Parameter:
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* mode - PM_SLEEP_DEEP or PM_SLEEP_COLD
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*
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****************************************************************************/
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int up_pm_sleep(enum pm_sleepmode_e mode);
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/****************************************************************************
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* Name: up_pm_reboot
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*
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* Description:
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* System reboot. This function never returns.
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*
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****************************************************************************/
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int up_pm_reboot(void);
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/****************************************************************************
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* Name: up_pmic_set_notify
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*
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* Description:
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* Register a callback for pmic interrupt
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*
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* Input Parameter:
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* kind - A kind of pmic interrupt defined as pmic_notify_e
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* cb - A callback function for a kind of pmic interrupt
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*
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* Returned Value:
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* Return 0 on success. Otherwise, return a negated errno.
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*
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****************************************************************************/
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#ifdef CONFIG_CXD56_PMIC_INT
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int up_pmic_set_notify(int kind, pmic_notify_t cb);
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#else
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# define up_pmic_set_notify(kind, cb)
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#endif
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ARCH_ARM_INCLUDE_CXD56XX_PM_H */
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