kernel_samsung_a34x-permissive/drivers/gpu/drm/mediatek/mtk_drm_session.h
2024-04-28 15:51:13 +02:00

57 lines
1.5 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2019 MediaTek Inc.
*/
#ifndef _MTK_DRM_SESSION_H_
#define _MTK_DRM_SESSION_H_
#include <drm/drmP.h>
#include <drm/mediatek_drm.h>
#define MAX_SESSION_COUNT 3
#define MTK_SESSION_MODE(id) (((id) >> 24) & 0xff)
#define MTK_SESSION_TYPE(id) (((id) >> 16) & 0xff)
#define MTK_SESSION_DEV(id) ((id)&0xff)
#define MAKE_MTK_SESSION(type, dev) (unsigned int)((type) << 16 | (dev))
enum MTK_SESSION_TYPE {
MTK_SESSION_PRIMARY = 1,
MTK_SESSION_EXTERNAL = 2,
MTK_SESSION_MEMORY = 3
};
struct mtk_session_mode_tb {
unsigned int en;
unsigned int ddp_mode[MAX_SESSION_COUNT];
};
/**
* struct mtk_drm_session - MediaTek specific session structure.
* @session_id:
*/
struct mtk_drm_session {
unsigned int session_id;
struct mtk_session_mode_tb mode_tb[MTK_DRM_SESSION_NUM];
};
int mtk_drm_session_create(struct drm_device *dev,
struct drm_mtk_session *config);
int mtk_drm_session_destroy(struct drm_device *dev,
struct drm_mtk_session *config);
/* create session */
int mtk_drm_session_create_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
/* destroy session */
int mtk_drm_session_destroy_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int mtk_session_get_mode(struct drm_device *dev, struct drm_crtc *crtc);
int mtk_session_set_mode(struct drm_device *dev, unsigned int session_mode);
int mtk_get_session_id(struct drm_crtc *crtc);
int m4u_sec_init(void);
int m4u_gz_sec_init(int mtk_iommu_sec_id);
#endif