Release 4.11 drivers/gpu/drm/rockchip/rockchip_drm_drv.h

/*
 * 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;

/*
 * 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);
};


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;
	
const struct rockchip_crtc_funcs *crtc_funcs[ROCKCHIP_MAX_CRTC];
	
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_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_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_ */
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Mark Yao
172
78.90%
4
44.44%
Yakir Yang
22
10.09%
2
22.22%
Tomasz Figa
17
7.80%
1
11.11%
Tomeu Vizoso
5
2.29%
1
11.11%
Sean Paul
2
0.92%
1
11.11%
Total
218
100.00%
9
100.00%
Directory: drivers/gpu/drm/rockchip

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