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// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
/* Copyright 2017 IBM Corp. */
#ifndef __PSR_H
#define __PSR_H
#include <opal.h>
enum psr_class {
PSR_CLASS_OCC,
};
/*
* PSR handle is defined as u32. The first and last bytes are
* used to indicate the class and type. RID indiactes psr class
* specific data. For PSR_CLASS_OCC psr class RID is the chip index.
*
* | Class |Reserved| RID | Type |
* |-------|--------|------|------|
*/
#define psr_make_handle(class, rid, type) (((class & 0xF) << 24) | \
((rid & 0xF) << 8) | (type & 0xF))
#define psr_get_class(handle) ((handle >> 24) & 0xF)
#define psr_get_rid(handle) ((handle >> 8) & 0xF)
#define psr_get_type(handle) (handle & 0xF)
/* Powercap OCC interface */
int occ_get_psr(u32 handle, u32 *ratio);
int occ_set_psr(u32 handle, int token, u32 ratio);
#endif /* __PSR_H */
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