drivers/gpu/drm/sun4i/sun8i_vi_layer.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/sun4i/sun8i_vi_layer.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/sun4i/sun8i_vi_layer.h
Extension
.h
Size
2280 bytes
Lines
64
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

#ifndef _SUN8I_VI_LAYER_H_
#define _SUN8I_VI_LAYER_H_

#include <drm/drm_plane.h>

#define SUN8I_MIXER_CHAN_VI_LAYER_ATTR(base, layer) \
		((base) + 0x30 * (layer) + 0x0)
#define SUN8I_MIXER_CHAN_VI_LAYER_SIZE(base, layer) \
		((base) + 0x30 * (layer) + 0x4)
#define SUN8I_MIXER_CHAN_VI_LAYER_COORD(base, layer) \
		((base) + 0x30 * (layer) + 0x8)
#define SUN8I_MIXER_CHAN_VI_LAYER_PITCH(base, layer, plane) \
		((base) + 0x30 * (layer) + 0xc + 4 * (plane))
#define SUN8I_MIXER_CHAN_VI_LAYER_TOP_LADDR(base, layer, plane) \
		((base) + 0x30 * (layer) + 0x18 + 4 * (plane))
#define SUN8I_MIXER_CHAN_VI_OVL_SIZE(base) \
		((base) + 0xe8)
#define SUN8I_MIXER_CHAN_VI_HDS_Y(base) \
		((base) + 0xf0)
#define SUN8I_MIXER_CHAN_VI_HDS_UV(base) \
		((base) + 0xf4)
#define SUN8I_MIXER_CHAN_VI_VDS_Y(base) \
		((base) + 0xf8)
#define SUN8I_MIXER_CHAN_VI_VDS_UV(base) \
		((base) + 0xfc)

#define SUN8I_MIXER_FCC_GLOBAL_ALPHA_REG \
		(0xAA000 + 0x90)

#define SUN8I_MIXER_FCC_GLOBAL_ALPHA(x)			((x) << 24)
#define SUN8I_MIXER_FCC_GLOBAL_ALPHA_MASK		GENMASK(31, 24)

#define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_EN		BIT(0)
/* RGB mode should be set for RGB formats and cleared for YCbCr */
#define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_RGB_MODE		BIT(15)
#define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_OFFSET	8
#define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_MASK	GENMASK(12, 8)
#define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_MASK	GENMASK(2, 1)
#define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MASK	GENMASK(31, 24)
#define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA(x)	((x) << 24)

#define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_PIXEL	((0) << 1)
#define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_LAYER	((1) << 1)
#define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_COMBINED	((2) << 1)

#define SUN8I_MIXER_CHAN_VI_DS_N(x)			((x) << 16)
#define SUN8I_MIXER_CHAN_VI_DS_M(x)			((x) << 0)

struct sun8i_mixer;
struct sun8i_layer;

struct sun8i_layer *sun8i_vi_layer_init_one(struct drm_device *drm,
					    enum drm_plane_type type,
					    struct regmap *regs,
					    int index, int phy_index,
					    int plane_cnt,
					    const struct sun8i_layer_cfg *cfg);
#endif /* _SUN8I_VI_LAYER_H_ */

Annotation

Implementation Notes