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/*
* Copyright (C) ST-Ericsson SA 2010
* Author: Rickard Andersson <rickard.andersson@stericsson.com> for
* ST-Ericsson.
* License terms: GNU General Public License (GPL) version 2
*
*/
#ifndef PM_COMMON_H
#define PM_COMMON_H
#ifdef CONFIG_PM
/**
* ux500_pm_arm_on_ext_clk()
*
* @leave_arm_pll_on: True, if leave the ARM PLL on.
*
* returns divps_rate, used as input for ux500_pm_arm_on_arm_pll
* or -EINVAL if already running on external clock.
*/
int ux500_pm_arm_on_ext_clk(bool leave_arm_pll_on);
/**
* ux500_pm_arm_on_arm_pll()
*
* @divps_rate: Rate provided by ux500_pm_arm_on_ext_clk
*
* Restores the previous arm pll settings.
*/
void ux500_pm_arm_on_arm_pll(int divps_rate);
/**
* ux500_pm_gic_decouple()
*
* Decouple GIC from the interrupt bus.
*/
void ux500_pm_gic_decouple(void);
/**
* ux500_pm_gic_recouple()
*
* Recouple GIC with the interrupt bus.
*/
void ux500_pm_gic_recouple(void);
/**
* ux500_pm_gic_pending_interrupt()
*
* returns true, if there are pending interrupts.
*/
bool ux500_pm_gic_pending_interrupt(void);
/**
* ux500_pm_prcmu_pending_interrupt()
*
* returns true, if there are pending interrupts.
*/
bool ux500_pm_prcmu_pending_interrupt(void);
/**
* ux500_pm_prcmu_set_ioforce()
*
* @enable: Enable/disable
*
* Enable/disable the gpio-ring
*/
void ux500_pm_prcmu_set_ioforce(bool enable);
/**
* ux500_pm_prcmu_copy_gic_settings()
*
* This function copies all the gic interrupt settings to the prcmu.
* This is needed for the system to catch interrupts in ApIdle
*/
void ux500_pm_prcmu_copy_gic_settings(void);
/**
* ux500_pm_gpio_save_wake_up_status()
*
* This function is called when the prcmu has woken the ARM
* but before ioforce is disabled.
*/
void ux500_pm_gpio_save_wake_up_status(void);
/**
* ux500_pm_gpio_read_wake_up_status()
*
* @bank_number: The gpio bank.
*
* Returns the WKS register settings for given bank number.
* The WKS register is cleared when ioforce is released therefore
* this function is needed.
*/
u32 ux500_pm_gpio_read_wake_up_status(unsigned int bank_number);
/**
* ux500_pm_other_cpu_wfi()
*
* Returns true if the other CPU is in WFI.
*/
bool ux500_pm_other_cpu_wfi(void);
#else
u32 ux500_pm_gpio_read_wake_up_status(unsigned int bank_number)
{
return 0;
}
#endif
#endif
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