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/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2023 Google LLC.
* Copyright © 2023 Collabora, Ltd.
* Copyright © 2024-2025 Red Hat, Inc.
*/
#ifndef __IGT_VKMS_H__
#define __IGT_VKMS_H__
#include <stdbool.h>
#define VKMS_MAX_PIPELINE_ITEMS 40
/**
* igt_vkms_t:
* @path: VKMS root directory inside configfs mounted directory
*
* A struct representing a VKMS device.
*/
typedef struct igt_vkms {
char *path;
} igt_vkms_t;
typedef struct igt_vkms_crtc_config {
const char *name;
bool writeback; /* Default: false */
} igt_vkms_crtc_config_t;
typedef struct igt_vkms_plane_config {
const char *name;
int type; /* Default: DRM_PLANE_TYPE_OVERLAY */
const char *possible_crtcs[VKMS_MAX_PIPELINE_ITEMS];
} igt_vkms_plane_config_t;
typedef struct igt_vkms_encoder_config {
const char *name;
const char *possible_crtcs[VKMS_MAX_PIPELINE_ITEMS];
} igt_vkms_encoder_config_t;
typedef struct igt_vkms_connector_config {
const char *name;
int status; /* Default: DRM_MODE_CONNECTED */
const char *possible_encoders[VKMS_MAX_PIPELINE_ITEMS];
} igt_vkms_connector_config_t;
/**
* igt_vkms_config_t:
* @device_name: Device name
* @planes: NULL terminated list of plane configurations
* @crtcs: NULL terminated list of CRTC configurations
* @encoders: NULL terminated list of encoders configurations
* @connectors: NULL terminated list of connector configurations
*
* Structure used to create a VKMS device from a static configuration.
*/
typedef struct igt_vkms_config {
const char *device_name;
igt_vkms_plane_config_t planes[VKMS_MAX_PIPELINE_ITEMS];
igt_vkms_crtc_config_t crtcs[VKMS_MAX_PIPELINE_ITEMS];
igt_vkms_encoder_config_t encoders[VKMS_MAX_PIPELINE_ITEMS];
igt_vkms_connector_config_t connectors[VKMS_MAX_PIPELINE_ITEMS];
} igt_vkms_config_t;
void igt_require_vkms_configfs(void);
void igt_vkms_get_device_enabled_path(igt_vkms_t *dev, char *path, size_t len);
void igt_vkms_get_plane_path(igt_vkms_t *dev, const char *name, char *path,
size_t len);
void igt_vkms_get_plane_type_path(igt_vkms_t *dev, const char *name, char *path,
size_t len);
void igt_vkms_get_plane_possible_crtcs_path(igt_vkms_t *dev, const char *name,
char *path, size_t len);
void igt_vkms_get_crtc_path(igt_vkms_t *dev, const char *name, char *path,
size_t len);
void igt_vkms_get_crtc_writeback_path(igt_vkms_t *dev, const char *name,
char *path, size_t len);
void igt_vkms_get_encoder_path(igt_vkms_t *dev, const char *name, char *path,
size_t len);
void igt_vkms_get_encoder_possible_crtcs_path(igt_vkms_t *dev, const char *name,
char *path, size_t len);
void igt_vkms_get_connector_path(igt_vkms_t *dev, const char *name, char *path,
size_t len);
void igt_vkms_get_connector_status_path(igt_vkms_t *dev, const char *name,
char *path, size_t len);
void igt_vkms_get_connector_possible_encoders_path(igt_vkms_t *dev,
const char *name, char *path,
size_t len);
igt_vkms_t *igt_vkms_device_create(const char *name);
igt_vkms_t *igt_vkms_device_create_from_config(igt_vkms_config_t *cfg);
void igt_vkms_device_destroy(igt_vkms_t *dev);
void igt_vkms_destroy_all_devices(void);
bool igt_vkms_device_is_enabled(igt_vkms_t *dev);
void igt_vkms_device_set_enabled(igt_vkms_t *dev, bool enabled);
void igt_vkms_device_add_plane(igt_vkms_t *dev, const char *name);
bool igt_vkms_device_remove_plane(igt_vkms_t *dev, const char *name);
int igt_vkms_plane_get_type(igt_vkms_t *dev, const char *name);
void igt_vkms_plane_set_type(igt_vkms_t *dev, const char *name, int type);
bool igt_vkms_plane_attach_crtc(igt_vkms_t *dev, const char *plane_name,
const char *crtc_name);
bool igt_vkms_plane_detach_crtc(igt_vkms_t *dev, const char *plane_name,
const char *crtc_name);
void igt_vkms_device_add_crtc(igt_vkms_t *dev, const char *name);
bool igt_vkms_device_remove_crtc(igt_vkms_t *dev, const char *name);
bool igt_vkms_crtc_is_writeback_enabled(igt_vkms_t *dev, const char *name);
void igt_vkms_crtc_set_writeback_enabled(igt_vkms_t *dev, const char *name,
bool writeback);
void igt_vkms_device_add_encoder(igt_vkms_t *dev, const char *name);
bool igt_vkms_device_remove_encoder(igt_vkms_t *dev, const char *name);
bool igt_vkms_encoder_attach_crtc(igt_vkms_t *dev, const char *encoder_name,
const char *crtc_name);
bool igt_vkms_encoder_detach_crtc(igt_vkms_t *dev, const char *encoder_name,
const char *crtc_name);
void igt_vkms_device_add_connector(igt_vkms_t *dev, const char *name);
bool igt_vkms_device_remove_connector(igt_vkms_t *dev, const char *name);
int igt_vkms_connector_get_status(igt_vkms_t *dev, const char *name);
void igt_vkms_connector_set_status(igt_vkms_t *dev, const char *name,
int status);
bool igt_vkms_connector_attach_encoder(igt_vkms_t *dev,
const char *connector_name,
const char *encoder_name);
bool igt_vkms_connector_detach_encoder(igt_vkms_t *dev,
const char *connector_name,
const char *encoder_name);
#endif /* __IGT_VKMS_H__ */
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