drivers/gpu/drm/amd/display/dc/irq/irq_service.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/display/dc/irq/irq_service.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/display/dc/irq/irq_service.h
Extension
.h
Size
2615 bytes
Lines
94
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 irq_source_info_funcs {
	bool (*set)(
		struct irq_service *irq_service,
		const struct irq_source_info *info,
		bool enable);
	bool (*ack)(
		struct irq_service *irq_service,
		const struct irq_source_info *info);
};

struct irq_source_info {
	uint32_t src_id;
	uint32_t ext_id;
	uint32_t enable_reg;
	uint32_t enable_mask;
	uint32_t enable_value[2];
	uint32_t ack_reg;
	uint32_t ack_mask;
	uint32_t ack_value;
	uint32_t status_reg;
	struct irq_source_info_funcs *funcs;
};

struct irq_service_funcs {
	enum dc_irq_source (*to_dal_irq_source)(
			struct irq_service *irq_service,
			uint32_t src_id,
			uint32_t ext_id);
};

struct irq_service {
	struct dc_context *ctx;
	const struct irq_source_info *info;
	const struct irq_service_funcs *funcs;
};

void dal_irq_service_construct(
	struct irq_service *irq_service,
	struct irq_service_init_data *init_data);

void dal_irq_service_ack_generic(
	struct irq_service *irq_service,
	const struct irq_source_info *info);

void dal_irq_service_set_generic(
	struct irq_service *irq_service,
	const struct irq_source_info *info,
	bool enable);

bool hpd0_ack(
	struct irq_service *irq_service,
	const struct irq_source_info *info);

bool hpd1_ack(
	struct irq_service *irq_service,
	const struct irq_source_info *info);

#endif

Annotation

Implementation Notes