/*
 * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * Neither the name of ARM nor the names of its contributors may be used
 * to endorse or promote products derived from this software without specific
 * prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
#include <arch.h>
#include <platform.h>
#include <psci.h>
#include <stddef.h>

/*
 * State IDs for local power states on Warp7.
 */
#define WARP7_RUN_STATE_ID		0 /* Valid for CPUs and Clusters */
#define WARP7_RETENTION_STATE_ID		1 /* Valid for only CPUs */
#define WARP7_OFF_STATE_ID		2 /* Valid for CPUs and Clusters */

/*
 * Suspend depth definitions for each power state
 */
typedef enum {
	WARP7_RUN_DEPTH = 0,
	WARP7_RETENTION_DEPTH,
	WARP7_OFF_DEPTH,
} suspend_depth_t;

/* The state property array with details of idle state possible for the core */
static const plat_state_prop_t core_state_prop[] = {
	{WARP7_RETENTION_DEPTH, WARP7_RETENTION_STATE_ID, PSTATE_TYPE_STANDBY},
	{WARP7_OFF_DEPTH, WARP7_OFF_STATE_ID, PSTATE_TYPE_POWERDOWN},
	{0},
};

static const plat_state_prop_t system_state_prop[] = {
	{WARP7_RETENTION_DEPTH, WARP7_RETENTION_STATE_ID, PSTATE_TYPE_STANDBY},
	{WARP7_OFF_DEPTH, WARP7_OFF_STATE_ID, PSTATE_TYPE_POWERDOWN},
	{0},
};

const plat_state_prop_t *plat_get_state_prop(unsigned int level)
{
	switch (level) {
	case MPIDR_AFFLVL0:
		return core_state_prop;
	case MPIDR_AFFLVL1:
		return system_state_prop;
	default:
		return NULL;
	}
}