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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;
/*
* Rockchip drm private crtc funcs.
* @enable_vblank: enable crtc vblank irq.
* @disable_vblank: disable crtc vblank irq.
*/
struct rockchip_crtc_funcs {
int (*enable_vblank)(struct drm_crtc *crtc);
void (*disable_vblank)(struct drm_crtc *crtc);
void (*wait_for_update)(struct drm_crtc *crtc);
void (*cancel_pending_vblank)(struct drm_crtc *crtc, struct drm_file *file_priv);
};
struct rockchip_atomic_commit {
struct work_struct work;
struct drm_atomic_state *state;
struct drm_device *dev;
struct mutex lock;
};
/*
* 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;
const struct rockchip_crtc_funcs *crtc_funcs[ROCKCHIP_MAX_CRTC];
struct rockchip_atomic_commit commit;
};
void rockchip_drm_atomic_work(struct work_struct *work);
int rockchip_register_crtc_funcs(struct drm_crtc *crtc,
const struct rockchip_crtc_funcs *crtc_funcs);
void rockchip_unregister_crtc_funcs(struct drm_crtc *crtc);
int rockchip_drm_crtc_mode_config(struct drm_crtc *crtc, int connector_type,
int out_mode);
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);
#endif /* _ROCKCHIP_DRM_DRV_H_ */
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