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/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2023 Ventana Micro Systems Inc.
*
*/
#ifndef __SBI_CPPC_H__
#define __SBI_CPPC_H__
#include <sbi/sbi_types.h>
/** CPPC device */
struct sbi_cppc_device {
/** Name of the CPPC device */
char name[32];
/** probe - returns register width if implemented, 0 otherwise */
int (*cppc_probe)(unsigned long reg);
/** read the cppc register*/
int (*cppc_read)(unsigned long reg, uint64_t *val);
/** write to the cppc register*/
int (*cppc_write)(unsigned long reg, uint64_t val);
};
int sbi_cppc_probe(unsigned long reg);
int sbi_cppc_read(unsigned long reg, uint64_t *val);
int sbi_cppc_write(unsigned long reg, uint64_t val);
const struct sbi_cppc_device *sbi_cppc_get_device(void);
void sbi_cppc_set_device(const struct sbi_cppc_device *dev);
#endif
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