drivers/gpu/drm/amd/display/include/gpio_service_interface.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/display/include/gpio_service_interface.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/display/include/gpio_service_interface.h
Extension
.h
Size
3259 bytes
Lines
125
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 __DAL_GPIO_SERVICE_INTERFACE_H__
#define __DAL_GPIO_SERVICE_INTERFACE_H__

#include "gpio_types.h"
#include "gpio_interface.h"
#include "hw/gpio.h"

struct gpio_service;

struct gpio *dal_gpio_create(
	struct gpio_service *service,
	enum gpio_id id,
	uint32_t en,
	enum gpio_pin_output_state output_state);

void dal_gpio_destroy(
	struct gpio **ptr);

struct gpio_service *dal_gpio_service_create(
	enum dce_version dce_version,
	enum dce_environment dce_environment,
	struct dc_context *ctx);

struct gpio *dal_gpio_service_create_irq(
	struct gpio_service *service,
	uint32_t offset,
	uint32_t mask);

struct gpio *dal_gpio_service_create_generic_mux(
	struct gpio_service *service,
	uint32_t offset,
	uint32_t mask);

void dal_gpio_destroy_generic_mux(
	struct gpio **mux);

enum gpio_result dal_mux_setup_config(
	struct gpio *mux,
	struct gpio_generic_mux_config *config);

struct gpio_pin_info dal_gpio_get_generic_pin_info(
	struct gpio_service *service,
	enum gpio_id id,
	uint32_t en);

struct ddc *dal_gpio_create_ddc(
	struct gpio_service *service,
	uint32_t offset,
	uint32_t mask,
	struct gpio_ddc_hw_info *info);

void dal_gpio_destroy_ddc(
	struct ddc **ddc);

void dal_gpio_service_destroy(
	struct gpio_service **ptr);

enum dc_irq_source dal_irq_get_source(
	const struct gpio *irq);

enum dc_irq_source dal_irq_get_rx_source(
	const struct gpio *irq);

enum dc_irq_source dal_irq_get_read_request(
	const struct gpio *irq);

enum gpio_result dal_irq_setup_hpd_filter(
	struct gpio *irq,
	struct gpio_hpd_config *config);

struct gpio *dal_gpio_create_irq(
	struct gpio_service *service,
	enum gpio_id id,
	uint32_t en);

void dal_gpio_destroy_irq(
	struct gpio **ptr);


enum gpio_result dal_ddc_open(
	struct ddc *ddc,
	enum gpio_mode mode,
	enum gpio_ddc_config_type config_type);

enum gpio_result dal_ddc_change_mode(
	struct ddc *ddc,
	enum gpio_mode mode);

enum gpio_ddc_line dal_ddc_get_line(
	const struct ddc *ddc);

Annotation

Implementation Notes