drivers/gpu/drm/arm/display/komeda/d71/d71_dev.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/arm/display/komeda/d71/d71_dev.h
Extension
.h
Size
1307 bytes
Lines
55
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 d71_pipeline {
	struct komeda_pipeline base;

	/* d71 private pipeline blocks */
	u32 __iomem	*lpu_addr;
	u32 __iomem	*cu_addr;
	u32 __iomem	*dou_addr;
	u32 __iomem	*dou_ft_coeff_addr; /* forward transform coeffs table */
};

struct d71_dev {
	struct komeda_dev *mdev;

	int	num_blocks;
	int	num_pipelines;
	int	num_rich_layers;
	u32	max_line_size;
	u32	max_vsize;
	u32	supports_dual_link : 1;
	u32	integrates_tbu : 1;

	/* global register blocks */
	u32 __iomem	*gcu_addr;
	/* scaling coeffs table */
	u32 __iomem	*glb_scl_coeff_addr[D71_MAX_GLB_SCL_COEFF];
	u32 __iomem	*periph_addr;

	struct d71_pipeline *pipes[D71_MAX_PIPELINE];
};

#define to_d71_pipeline(x)	container_of(x, struct d71_pipeline, base)

extern const struct komeda_pipeline_funcs d71_pipeline_funcs;

int d71_probe_block(struct d71_dev *d71,
		    struct block_header *blk, u32 __iomem *reg);
void d71_read_block_header(u32 __iomem *reg, struct block_header *blk);

void d71_dump(struct komeda_dev *mdev, struct seq_file *sf);

#endif /* !_D71_DEV_H_ */

Annotation

Implementation Notes