Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: MIT */
2/*
3 * Copyright © 2022 Intel Corporation
4 */
5
6#ifndef _XE_PCODE_H_
7#define _XE_PCODE_H_
8
9#include <linux/types.h>
10struct xe_tile;
11struct xe_device;
12
13void xe_pcode_init(struct xe_tile *tile);
14int xe_pcode_probe_early(struct xe_device *xe);
15int xe_pcode_ready(struct xe_device *xe, bool locked);
16int xe_pcode_init_min_freq_table(struct xe_tile *tile, u32 min_gt_freq,
17 u32 max_gt_freq);
18int xe_pcode_read(struct xe_tile *tile, u32 mbox, u32 *val, u32 *val1);
19int xe_pcode_write_timeout(struct xe_tile *tile, u32 mbox, u32 val,
20 int timeout_ms);
21int xe_pcode_write64_timeout(struct xe_tile *tile, u32 mbox, u32 data0,
22 u32 data1, int timeout);
23
24#define xe_pcode_write(tile, mbox, val) \
25 xe_pcode_write_timeout(tile, mbox, val, 1)
26
27int xe_pcode_request(struct xe_tile *tile, u32 mbox, u32 request,
28 u32 reply_mask, u32 reply, int timeout_ms);
29
30#define PCODE_MBOX(mbcmd, param1, param2)\
31 (FIELD_PREP(PCODE_MB_COMMAND, mbcmd)\
32 | FIELD_PREP(PCODE_MB_PARAM1, param1)\
33 | FIELD_PREP(PCODE_MB_PARAM2, param2))
34
35#endif