acrn-kernel/include/drm/drm_privacy_screen_machine.h

47 lines
1.3 KiB
C

/* SPDX-License-Identifier: MIT */
/*
* Copyright (C) 2020 Red Hat, Inc.
*
* Authors:
* Hans de Goede <hdegoede@redhat.com>
*/
#ifndef __DRM_PRIVACY_SCREEN_MACHINE_H__
#define __DRM_PRIVACY_SCREEN_MACHINE_H__
#include <linux/list.h>
/**
* struct drm_privacy_screen_lookup - static privacy-screen lookup list entry
*
* Used for the static lookup-list for mapping privacy-screen consumer
* dev-connector pairs to a privacy-screen provider.
*/
struct drm_privacy_screen_lookup {
/** @list: Lookup list list-entry. */
struct list_head list;
/** @dev_id: Consumer device name or NULL to match all devices. */
const char *dev_id;
/** @con_id: Consumer connector name or NULL to match all connectors. */
const char *con_id;
/** @provider: dev_name() of the privacy_screen provider. */
const char *provider;
};
void drm_privacy_screen_lookup_add(struct drm_privacy_screen_lookup *lookup);
void drm_privacy_screen_lookup_remove(struct drm_privacy_screen_lookup *lookup);
#if IS_ENABLED(CONFIG_DRM_PRIVACY_SCREEN) && IS_ENABLED(CONFIG_X86)
void drm_privacy_screen_lookup_init(void);
void drm_privacy_screen_lookup_exit(void);
#else
static inline void drm_privacy_screen_lookup_init(void)
{
}
static inline void drm_privacy_screen_lookup_exit(void)
{
}
#endif
#endif