14dd4375bSJani Nikula /* SPDX-License-Identifier: MIT */ 24dd4375bSJani Nikula /* 34dd4375bSJani Nikula * Copyright © 2013-2021 Intel Corporation 44dd4375bSJani Nikula */ 54dd4375bSJani Nikula 64dd4375bSJani Nikula #ifndef _INTEL_PCODE_H_ 74dd4375bSJani Nikula #define _INTEL_PCODE_H_ 84dd4375bSJani Nikula 94dd4375bSJani Nikula #include <linux/types.h> 104dd4375bSJani Nikula 11ee421bb4SAshutosh Dixit struct intel_uncore; 124dd4375bSJani Nikula 13ee421bb4SAshutosh Dixit int snb_pcode_read(struct intel_uncore *uncore, u32 mbox, u32 *val, u32 *val1); 14ee421bb4SAshutosh Dixit int snb_pcode_write_timeout(struct intel_uncore *uncore, u32 mbox, u32 val, 156650ebcbSJani Nikula int fast_timeout_us, int slow_timeout_ms); 16ee421bb4SAshutosh Dixit #define snb_pcode_write(uncore, mbox, val) \ 17ee421bb4SAshutosh Dixit snb_pcode_write_timeout(uncore, mbox, val, 500, 0) 184dd4375bSJani Nikula 19ee421bb4SAshutosh Dixit int skl_pcode_request(struct intel_uncore *uncore, u32 mbox, u32 request, 204dd4375bSJani Nikula u32 reply_mask, u32 reply, int timeout_base_ms); 214dd4375bSJani Nikula 22ee421bb4SAshutosh Dixit int intel_pcode_init(struct intel_uncore *uncore); 234dd4375bSJani Nikula 24*5f38c3fbSDale B Stimson /* 25*5f38c3fbSDale B Stimson * Helpers for dGfx PCODE mailbox command formatting 26*5f38c3fbSDale B Stimson */ 27*5f38c3fbSDale B Stimson int snb_pcode_read_p(struct intel_uncore *uncore, u32 mbcmd, u32 p1, u32 p2, u32 *val); 28*5f38c3fbSDale B Stimson int snb_pcode_write_p(struct intel_uncore *uncore, u32 mbcmd, u32 p1, u32 p2, u32 val); 29*5f38c3fbSDale B Stimson 304dd4375bSJani Nikula #endif /* _INTEL_PCODE_H */ 31