drivers/gpu/drm/verisilicon/vs_hwdb.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/verisilicon/vs_hwdb.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/verisilicon/vs_hwdb.c
Extension
.c
Size
3392 bytes
Lines
155
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2025 Icenowy Zheng <uwu@icenowy.me>
 */

#include <linux/errno.h>

#include <drm/drm_fourcc.h>

#include "vs_dc_top_regs.h"
#include "vs_hwdb.h"

static const u32 vs_formats_array_no_yuv444[] = {
	DRM_FORMAT_XRGB4444,
	DRM_FORMAT_XBGR4444,
	DRM_FORMAT_RGBX4444,
	DRM_FORMAT_BGRX4444,
	DRM_FORMAT_ARGB4444,
	DRM_FORMAT_ABGR4444,
	DRM_FORMAT_RGBA4444,
	DRM_FORMAT_BGRA4444,
	DRM_FORMAT_XRGB1555,
	DRM_FORMAT_XBGR1555,
	DRM_FORMAT_RGBX5551,
	DRM_FORMAT_BGRX5551,
	DRM_FORMAT_ARGB1555,
	DRM_FORMAT_ABGR1555,
	DRM_FORMAT_RGBA5551,
	DRM_FORMAT_BGRA5551,
	DRM_FORMAT_RGB565,
	DRM_FORMAT_BGR565,
	DRM_FORMAT_XRGB8888,
	DRM_FORMAT_XBGR8888,
	DRM_FORMAT_RGBX8888,
	DRM_FORMAT_BGRX8888,
	DRM_FORMAT_ARGB8888,
	DRM_FORMAT_ABGR8888,
	DRM_FORMAT_RGBA8888,
	DRM_FORMAT_BGRA8888,
	DRM_FORMAT_ARGB2101010,
	DRM_FORMAT_ABGR2101010,
	DRM_FORMAT_RGBA1010102,
	DRM_FORMAT_BGRA1010102,
	/* TODO: non-RGB formats */
};

static const u32 vs_formats_array_with_yuv444[] = {
	DRM_FORMAT_XRGB4444,
	DRM_FORMAT_XBGR4444,
	DRM_FORMAT_RGBX4444,
	DRM_FORMAT_BGRX4444,
	DRM_FORMAT_ARGB4444,
	DRM_FORMAT_ABGR4444,
	DRM_FORMAT_RGBA4444,
	DRM_FORMAT_BGRA4444,
	DRM_FORMAT_XRGB1555,
	DRM_FORMAT_XBGR1555,
	DRM_FORMAT_RGBX5551,
	DRM_FORMAT_BGRX5551,
	DRM_FORMAT_ARGB1555,
	DRM_FORMAT_ABGR1555,
	DRM_FORMAT_RGBA5551,
	DRM_FORMAT_BGRA5551,
	DRM_FORMAT_RGB565,
	DRM_FORMAT_BGR565,
	DRM_FORMAT_XRGB8888,
	DRM_FORMAT_XBGR8888,
	DRM_FORMAT_RGBX8888,
	DRM_FORMAT_BGRX8888,
	DRM_FORMAT_ARGB8888,
	DRM_FORMAT_ABGR8888,
	DRM_FORMAT_RGBA8888,
	DRM_FORMAT_BGRA8888,
	DRM_FORMAT_ARGB2101010,
	DRM_FORMAT_ABGR2101010,
	DRM_FORMAT_RGBA1010102,
	DRM_FORMAT_BGRA1010102,
	/* TODO: non-RGB formats */
};

static const struct vs_formats vs_formats_no_yuv444 = {
	.array = vs_formats_array_no_yuv444,
	.num = ARRAY_SIZE(vs_formats_array_no_yuv444)
};

static const struct vs_formats vs_formats_with_yuv444 = {
	.array = vs_formats_array_with_yuv444,
	.num = ARRAY_SIZE(vs_formats_array_with_yuv444)
};

Annotation

Implementation Notes