/*
 * Copyright (c) 2015 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com/
 *
 * EXYNOS - PMU(Power Management Unit) support
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
*/

#ifndef __EXYNOS_POWERMODE_H
#define __EXYNOS_POWERMODE_H __FILE__

#if defined(CONFIG_PMUCAL_MOD)
#include "../../../drivers/soc/samsung/pwrcal/pmucal_mod/pmucal_system.h"
#endif

#if !defined(CONFIG_PMUCAL_MOD)
/**
 * System power down mode
 */

#if defined(CONFIG_SOC_EXYNOS7570)
enum sys_powerdown {
	SYS_SICD,
	SYS_AFTR,
	SYS_STOP,
	SYS_LPD,
	SYS_LPA,
	SYS_DSTOP,
	SYS_SLEEP,
	NUM_SYS_POWERDOWN,
};
#else
enum sys_powerdown {
        SYS_SICD,
#if !defined(CONFIG_SOC_EXYNOS7870)
        SYS_SICD_CPD,
#endif
        SYS_AFTR,
        SYS_STOP,
#if !defined(CONFIG_SOC_EXYNOS7870)
        SYS_DSTOP,
#endif
        SYS_LPD,
#if !defined(CONFIG_SOC_EXYNOS7870)
        SYS_ALPA,
#endif
        SYS_SLEEP,
        NUM_SYS_POWERDOWN,
};
#endif
#endif

extern void exynos_prepare_sys_powerdown(enum sys_powerdown mode, bool is_suspend);
extern void exynos_wakeup_sys_powerdown(enum sys_powerdown mode, bool early_wakeup);
extern int determine_lpm(void);

/**
 * Functions for cpuidle driver
 */
extern int enter_c2(unsigned int cpu, int index);
extern void wakeup_from_c2(unsigned int cpu, int early_wakeup);

/**
 * Cluster power down blocker
 */
extern void block_cpd(void);
extern void release_cpd(void);

/**
 * Checking cluster idle state
 */
extern int check_cluster_idle_state(unsigned int cpu);

/**
  IDLE_IP control
 */
#define IDLE_IP_REG_SIZE		32
#define IDLE_IP_MAX_INDEX		127
#define IDLE_IP_FIX_INDEX_COUNT		2
#define IDLE_IP_MAX_CONFIGURABLE_INDEX	(IDLE_IP_MAX_INDEX - IDLE_IP_FIX_INDEX_COUNT)


#ifdef CONFIG_CPU_IDLE
void exynos_update_ip_idle_status(int index, int idle);
int exynos_get_idle_ip_index(const char *name);
void exynos_get_idle_ip_list(char *(*idle_ip_list)[IDLE_IP_REG_SIZE]);
#else
static inline void exynos_update_ip_idle_status(int index, int idle)
{
	return;
}

static inline int exynos_get_idle_ip_index(const char *name)
{
	return 0;
}

static inline void exynos_get_idle_ip_list(char *(*idle_ip_list)[IDLE_IP_REG_SIZE])
{
	return;
}
#endif

enum exynos_idle_ip {
	IDLE_IP0,
	IDLE_IP1,
	IDLE_IP2,
	IDLE_IP3,
	NUM_IDLE_IP,
};

#define MAX_CLUSTER		2

/**
  IDLE_IP control
 */
#define for_each_idle_ip(num)					\
        for ((num) = 0; (num) < NUM_IDLE_IP; (num)++)

#define for_each_syspower_mode(mode)				\
	for ((mode) = 0; (mode) < NUM_SYS_POWERDOWN; (mode)++)

#define for_each_cluster(id)					\
	for ((id) = 0; (id) < MAX_CLUSTER; (id)++)

/**
 * external driver APIs
 */
#ifdef CONFIG_SERIAL_SAMSUNG
extern void s3c24xx_serial_fifo_wait(void);
#else
static inline void s3c24xx_serial_fifo_wait(void) { }
#endif

#ifdef CONFIG_PINCTRL_EXYNOS
extern u64 exynos_get_eint_wake_mask(void);
#else
static inline u64 exynos_get_eint_wake_mask(void) { return 0xffffffffL; }
#endif

#define EXYNOS_SS_SICD_INDEX		('S' + 'I' + 'C' + 'D')		/* 291 */
#endif /* __EXYNOS_POWERMODE_H */