ReactOS 0.4.15-dev-7085-g12a5971
xgpu.h
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1/*
2 * PROJECT: Original Xbox onboard hardware
3 * LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
4 * PURPOSE: nVidia NV2A (XGPU) header file
5 * COPYRIGHT: Copyright 2020 Stanislav Motylkov (x86corez@gmail.com)
6 */
7
8#ifndef _XGPU_H_
9#define _XGPU_H_
10
11#pragma once
12
13/*
14 * Registers and definitions
15 */
16#define NV2A_VIDEO_MEMORY_SIZE (4 * 1024 * 1024) /* FIXME: obtain fb size from firmware somehow (Cromwell reserves high 4 MB of RAM) */
17
18#define NV2A_FB_OFFSET 0x100000
19#define NV2A_FB_CFG0 (0x200 + NV2A_FB_OFFSET)
20#define NV2A_CRTC_OFFSET 0x600000
21#define NV2A_CRTC_FRAMEBUFFER_START (0x800 + NV2A_CRTC_OFFSET)
22#define NV2A_CRTC_REGISTER_INDEX (0x13D4 + NV2A_CRTC_OFFSET)
23#define NV2A_CRTC_REGISTER_VALUE (0x13D5 + NV2A_CRTC_OFFSET)
24#define NV2A_RAMDAC_OFFSET 0x680000
25#define NV2A_RAMDAC_FP_HVALID_END (0x838 + NV2A_RAMDAC_OFFSET)
26#define NV2A_RAMDAC_FP_VVALID_END (0x818 + NV2A_RAMDAC_OFFSET)
27
28#endif /* _XGPU_H_ */