drivers/gpu/drm/sun4i/sun8i_mixer.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/sun4i/sun8i_mixer.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/sun4i/sun8i_mixer.c
Extension
.c
Size
23956 bytes
Lines
948
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

struct de2_fmt_info {
	u32	drm_fmt;
	u32	de2_fmt;
};

static const struct de2_fmt_info de2_formats[] = {
	{
		.drm_fmt = DRM_FORMAT_ARGB8888,
		.de2_fmt = SUN8I_MIXER_FBFMT_ARGB8888,
	},
	{
		.drm_fmt = DRM_FORMAT_ABGR8888,
		.de2_fmt = SUN8I_MIXER_FBFMT_ABGR8888,
	},
	{
		.drm_fmt = DRM_FORMAT_RGBA8888,
		.de2_fmt = SUN8I_MIXER_FBFMT_RGBA8888,
	},
	{
		.drm_fmt = DRM_FORMAT_BGRA8888,
		.de2_fmt = SUN8I_MIXER_FBFMT_BGRA8888,
	},
	{
		.drm_fmt = DRM_FORMAT_XRGB8888,
		.de2_fmt = SUN8I_MIXER_FBFMT_XRGB8888,
	},
	{
		.drm_fmt = DRM_FORMAT_XBGR8888,
		.de2_fmt = SUN8I_MIXER_FBFMT_XBGR8888,
	},
	{
		.drm_fmt = DRM_FORMAT_RGBX8888,
		.de2_fmt = SUN8I_MIXER_FBFMT_RGBX8888,
	},
	{
		.drm_fmt = DRM_FORMAT_BGRX8888,
		.de2_fmt = SUN8I_MIXER_FBFMT_BGRX8888,
	},
	{
		.drm_fmt = DRM_FORMAT_RGB888,
		.de2_fmt = SUN8I_MIXER_FBFMT_RGB888,
	},
	{
		.drm_fmt = DRM_FORMAT_BGR888,
		.de2_fmt = SUN8I_MIXER_FBFMT_BGR888,
	},
	{
		.drm_fmt = DRM_FORMAT_RGB565,
		.de2_fmt = SUN8I_MIXER_FBFMT_RGB565,
	},
	{
		.drm_fmt = DRM_FORMAT_BGR565,
		.de2_fmt = SUN8I_MIXER_FBFMT_BGR565,
	},
	{
		.drm_fmt = DRM_FORMAT_ARGB4444,
		.de2_fmt = SUN8I_MIXER_FBFMT_ARGB4444,
	},
	{
		/* for DE2 VI layer which ignores alpha */
		.drm_fmt = DRM_FORMAT_XRGB4444,
		.de2_fmt = SUN8I_MIXER_FBFMT_ARGB4444,
	},
	{
		.drm_fmt = DRM_FORMAT_ABGR4444,
		.de2_fmt = SUN8I_MIXER_FBFMT_ABGR4444,
	},
	{
		/* for DE2 VI layer which ignores alpha */
		.drm_fmt = DRM_FORMAT_XBGR4444,
		.de2_fmt = SUN8I_MIXER_FBFMT_ABGR4444,
	},
	{
		.drm_fmt = DRM_FORMAT_RGBA4444,
		.de2_fmt = SUN8I_MIXER_FBFMT_RGBA4444,
	},
	{
		/* for DE2 VI layer which ignores alpha */
		.drm_fmt = DRM_FORMAT_RGBX4444,
		.de2_fmt = SUN8I_MIXER_FBFMT_RGBA4444,
	},
	{
		.drm_fmt = DRM_FORMAT_BGRA4444,
		.de2_fmt = SUN8I_MIXER_FBFMT_BGRA4444,
	},
	{
		/* for DE2 VI layer which ignores alpha */
		.drm_fmt = DRM_FORMAT_BGRX4444,
		.de2_fmt = SUN8I_MIXER_FBFMT_BGRA4444,
	},

Annotation

Implementation Notes