1 /* SPDX-License-Identifier: MIT */ 2 /* 3 * Copyright © 2013-2021 Intel Corporation 4 */ 5 6 #ifndef _INTEL_PCODE_H_ 7 #define _INTEL_PCODE_H_ 8 9 #include <linux/types.h> 10 11 struct intel_uncore; 12 13 int snb_pcode_read(struct intel_uncore *uncore, u32 mbox, u32 *val, u32 *val1); 14 int snb_pcode_write_timeout(struct intel_uncore *uncore, u32 mbox, u32 val, 15 int fast_timeout_us, int slow_timeout_ms); 16 #define snb_pcode_write(uncore, mbox, val) \ 17 snb_pcode_write_timeout(uncore, mbox, val, 500, 0) 18 19 int skl_pcode_request(struct intel_uncore *uncore, u32 mbox, u32 request, 20 u32 reply_mask, u32 reply, int timeout_base_ms); 21 22 int intel_pcode_init(struct intel_uncore *uncore); 23 24 /* 25 * Helpers for dGfx PCODE mailbox command formatting 26 */ 27 int snb_pcode_read_p(struct intel_uncore *uncore, u32 mbcmd, u32 p1, u32 p2, u32 *val); 28 int snb_pcode_write_p(struct intel_uncore *uncore, u32 mbcmd, u32 p1, u32 p2, u32 val); 29 30 #endif /* _INTEL_PCODE_H */ 31