css_pm.h

/*
 * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#ifndef __CSS_PM_H__
#define __CSS_PM_H__

#include <cdefs.h>
#include <psci.h>
#include <stdint.h>

/* System power domain at level 2, as currently implemented by CSS platforms */
#define CSS_SYSTEM_PWR_DMN_LVL		ARM_PWR_LVL2

/* Macros to read the CSS power domain state */
#define CSS_CORE_PWR_STATE(state)	(state)->pwr_domain_state[ARM_PWR_LVL0]
#define CSS_CLUSTER_PWR_STATE(state)	(state)->pwr_domain_state[ARM_PWR_LVL1]

static inline unsigned int css_system_pwr_state(const psci_power_state_t *state)
{
#if (PLAT_MAX_PWR_LVL == CSS_SYSTEM_PWR_DMN_LVL)
	return state->pwr_domain_state[CSS_SYSTEM_PWR_DMN_LVL];
#else
	return 0;
#endif
}

int css_pwr_domain_on(u_register_t mpidr);
void css_pwr_domain_on_finish(const psci_power_state_t *target_state);
void css_pwr_domain_off(const psci_power_state_t *target_state);
void css_pwr_domain_suspend(const psci_power_state_t *target_state);
void css_pwr_domain_suspend_finish(
				const psci_power_state_t *target_state);
void __dead2 css_system_off(void);
void __dead2 css_system_reset(void);
void css_cpu_standby(plat_local_state_t cpu_state);
void css_get_sys_suspend_power_state(psci_power_state_t *req_state);
int css_node_hw_state(u_register_t mpidr, unsigned int power_level);

/*
 * This mapping array has to be exported by the platform. Each element at
 * a given index maps that core to an SCMI power domain.
 */
extern const uint32_t plat_css_core_pos_to_scmi_dmn_id_map[];

#endif /* __CSS_PM_H__ */