File: intel_pcode.h

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/* SPDX-License-Identifier: MIT */
/*
 * Copyright © 2013-2021 Intel Corporation
 */

#ifndef _INTEL_PCODE_H_
#define _INTEL_PCODE_H_

#include <linux/types.h>

struct intel_uncore;

int snb_pcode_read(struct intel_uncore *uncore, u32 mbox, u32 *val, u32 *val1);
int snb_pcode_write_timeout(struct intel_uncore *uncore, u32 mbox, u32 val,
			    int fast_timeout_us, int slow_timeout_ms);
#define snb_pcode_write(uncore, mbox, val) \
	snb_pcode_write_timeout(uncore, mbox, val, 500, 0)

int skl_pcode_request(struct intel_uncore *uncore, u32 mbox, u32 request,
		      u32 reply_mask, u32 reply, int timeout_base_ms);

int intel_pcode_init(struct intel_uncore *uncore);

/*
 * Helpers for dGfx PCODE mailbox command formatting
 */
int snb_pcode_read_p(struct intel_uncore *uncore, u32 mbcmd, u32 p1, u32 p2, u32 *val);
int snb_pcode_write_p(struct intel_uncore *uncore, u32 mbcmd, u32 p1, u32 p2, u32 val);

#endif /* _INTEL_PCODE_H */