xe_pcode.h

 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>
10
11struct drm_device;
12struct xe_device;
13struct xe_tile;
14
15void xe_pcode_init(struct xe_tile *tile);
16int xe_pcode_probe_early(struct xe_device *xe);
17int xe_pcode_ready(struct xe_device *xe, bool locked);
18int xe_pcode_init_min_freq_table(struct xe_tile *tile, u32 min_gt_freq,
19				 u32 max_gt_freq);
20int xe_pcode_read(struct xe_tile *tile, u32 mbox, u32 *val, u32 *val1);
21int xe_pcode_write_timeout(struct xe_tile *tile, u32 mbox, u32 val,
22			   int timeout_ms);
23int xe_pcode_write64_timeout(struct xe_tile *tile, u32 mbox, u32 data0,
24			     u32 data1, int timeout);
25
26#define xe_pcode_write(tile, mbox, val) \
27	xe_pcode_write_timeout(tile, mbox, val, 1)
28
29int xe_pcode_request(struct xe_tile *tile, u32 mbox, u32 request,
30		     u32 reply_mask, u32 reply, int timeout_ms);
31
32#define PCODE_MBOX(mbcmd, param1, param2)\
33	(FIELD_PREP(PCODE_MB_COMMAND, mbcmd)\
34	| FIELD_PREP(PCODE_MB_PARAM1, param1)\
35	| FIELD_PREP(PCODE_MB_PARAM2, param2))
36
37/* Helpers with drm device */
38int intel_pcode_read(struct drm_device *drm, u32 mbox, u32 *val, u32 *val1);
39int intel_pcode_write_timeout(struct drm_device *drm, u32 mbox, u32 val, int timeout_ms);
40#define intel_pcode_write(drm, mbox, val) \
41	intel_pcode_write_timeout((drm), (mbox), (val), 1)
42int intel_pcode_request(struct drm_device *drm, u32 mbox, u32 request,
43			u32 reply_mask, u32 reply, int timeout_base_ms);
44
45#endif