1/* SPDX-License-Identifier: MIT */
2/*
3 * Copyright © 2020,2021 Intel Corporation
4 */
5
6#ifndef __INTEL_STEP_H__
7#define __INTEL_STEP_H__
8
9#include <linux/types.h>
10
11struct drm_i915_private;
12
13struct intel_step_info {
14 /*
15 * It is expected to have 4 number steps per letter. Deviation from
16 * the expectation breaks gmd_to_intel_step().
17 */
18 u8 graphics_step; /* Represents the compute tile on Xe_HPC */
19 u8 media_step;
20};
21
22#define STEP_ENUM_VAL(name) STEP_##name,
23
24#define STEP_NAME_LIST(func) \
25 func(A0) \
26 func(A1) \
27 func(A2) \
28 func(A3) \
29 func(B0) \
30 func(B1) \
31 func(B2) \
32 func(B3) \
33 func(C0) \
34 func(C1) \
35 func(C2) \
36 func(C3) \
37 func(D0) \
38 func(D1) \
39 func(D2) \
40 func(D3) \
41 func(E0) \
42 func(E1) \
43 func(E2) \
44 func(E3) \
45 func(F0) \
46 func(F1) \
47 func(F2) \
48 func(F3) \
49 func(G0) \
50 func(G1) \
51 func(G2) \
52 func(G3) \
53 func(H0) \
54 func(H1) \
55 func(H2) \
56 func(H3) \
57 func(I0) \
58 func(I1) \
59 func(I2) \
60 func(I3) \
61 func(J0) \
62 func(J1) \
63 func(J2) \
64 func(J3)
65
66/*
67 * Symbolic steppings that do not match the hardware. These are valid both as gt
68 * and display steppings as symbolic names.
69 */
70enum intel_step {
71 STEP_NONE = 0,
72 STEP_NAME_LIST(STEP_ENUM_VAL)
73 STEP_FUTURE,
74 STEP_FOREVER,
75};
76
77void intel_step_init(struct drm_i915_private *i915);
78const char *intel_step_name(enum intel_step step);
79
80#endif /* __INTEL_STEP_H__ */
81