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/*
* Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
* Author:Mark Yao <mark.yao@rock-chips.com>
*
* based on exynos_drm_drv.h
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _ROCKCHIP_DRM_DRV_H
#define _ROCKCHIP_DRM_DRV_H
#include <drm/drm_fb_helper.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_gem.h>
#include <linux/module.h>
#include <linux/component.h>
#define ROCKCHIP_MAX_FB_BUFFER 3
#define ROCKCHIP_MAX_CONNECTOR 2
#define ROCKCHIP_MAX_CRTC 2
struct drm_device;
struct drm_connector;
struct iommu_domain;
struct rockchip_crtc_state {
struct drm_crtc_state base;
int output_type;
int output_mode;
};
#define to_rockchip_crtc_state(s) \
container_of(s, struct rockchip_crtc_state, base)
/*
* Rockchip drm private structure.
*
* @crtc: array of enabled CRTCs, used to map from "pipe" to drm_crtc.
* @num_pipe: number of pipes for this device.
*/
struct rockchip_drm_private {
struct drm_fb_helper fbdev_helper;
struct drm_gem_object *fbdev_bo;
struct drm_atomic_state *state;
struct iommu_domain *domain;
/* protect drm_mm on multi-threads */
struct mutex mm_lock;
struct drm_mm mm;
struct list_head psr_list;
spinlock_t psr_list_lock;
};
int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
struct device *dev);
void rockchip_drm_dma_detach_device(struct drm_device *drm_dev,
struct device *dev);
int rockchip_drm_wait_line_flag(struct drm_crtc *crtc, unsigned int line_num,
unsigned int mstimeout);
#endif /* _ROCKCHIP_DRM_DRV_H_ */
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