/*
 * Copyright (c) 2019 Linaro Limited
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#ifndef ZEPHYR_DRIVERS_IPM_IPM_MHU_H_
#define ZEPHYR_DRIVERS_IPM_IPM_MHU_H_

#include <kernel.h>
#include <drivers/ipm.h>
#include <device.h>

#ifdef __cplusplus
extern "C" {
#endif

#define IPM_MHU_MAX_DATA_SIZE		1
#define IPM_MHU_MAX_ID_VAL		0
#define SSE_200_CPU_ID_UNIT_OFFSET	((0x1F000UL))
#define SSE_200_DEVICE_BASE_REG_MSK	(0xF0000000UL)

/* SSE 200 MHU register map structure */
struct ipm_mhu_reg_map_t {
	/* (R/ ) CPU 0 Interrupt Status Register */
	volatile u32_t cpu0intr_stat;
	volatile u32_t cpu0intr_set;  /* ( /W) CPU 0 Interrupt Set Register */
	volatile u32_t cpu0intr_clr;  /* ( /W) CPU 0 Interrupt Clear Register */
	volatile u32_t reserved0;
	/* (R/ ) CPU 1 Interrupt Status Register */
	volatile u32_t cpu1intr_stat;
	volatile u32_t cpu1intr_set;  /* ( /W) CPU 1 Interrupt Set Register */
	volatile u32_t cpu1intr_clr;  /* ( /W) CPU 1 Interrupt Clear Register */
	volatile u32_t reserved1[1004];
	volatile u32_t pidr4;         /* ( /W) Peripheral ID 4 */
	volatile u32_t reserved2[3];
	volatile u32_t pidr0;         /* ( /W) Peripheral ID 0 */
	volatile u32_t pidr1;         /* ( /W) Peripheral ID 1 */
	volatile u32_t pidr2;         /* ( /W) Peripheral ID 2 */
	volatile u32_t pidr3;         /* ( /W) Peripheral ID 3 */
	volatile u32_t cidr0;         /* ( /W) Component ID 0 */
	volatile u32_t cidr1;         /* ( /W) Component ID 1 */
	volatile u32_t cidr2;         /* ( /W) Component ID 2 */
	volatile u32_t cidr3;         /* ( /W) Component ID 3 */
};

/* MHU enumeration types */
enum ipm_mhu_error_t {
	IPM_MHU_ERR_NONE = 0,		/* No error */
	IPM_MHU_ERR_INVALID_ARG,	/* Invalid argument */
};

/* MHU enumeration types */
enum ipm_mhu_cpu_id_t {
	IPM_MHU_CPU0 = 0,
	IPM_MHU_CPU1,
	IPM_MHU_CPU_MAX,
};

struct ipm_mhu_device_config {
	u8_t *base;
	void (*irq_config_func)(struct device *d);
};

/* Device data structure */
struct ipm_mhu_data {
	ipm_callback_t callback;
	void *callback_ctx;
};

#ifdef __cplusplus
}
#endif

#endif /* ZEPHYR_DRIVERS_IPM_IPM_MHU_H_ */