1 /*
2  * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
3  * Author:Mark Yao <mark.yao@rock-chips.com>
4  *
5  * based on exynos_drm_drv.h
6  *
7  * This software is licensed under the terms of the GNU General Public
8  * License version 2, as published by the Free Software Foundation, and
9  * may be copied, distributed, and modified under those terms.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  */
16 
17 #ifndef _ROCKCHIP_DRM_DRV_H
18 #define _ROCKCHIP_DRM_DRV_H
19 
20 #include <drm/drm_fb_helper.h>
21 #include <drm/drm_atomic_helper.h>
22 #include <drm/drm_gem.h>
23 
24 #include <linux/module.h>
25 #include <linux/component.h>
26 
27 #define ROCKCHIP_MAX_FB_BUFFER	3
28 #define ROCKCHIP_MAX_CONNECTOR	2
29 #define ROCKCHIP_MAX_CRTC	2
30 
31 struct drm_device;
32 struct drm_connector;
33 struct iommu_domain;
34 
35 struct rockchip_crtc_state {
36 	struct drm_crtc_state base;
37 	int output_type;
38 	int output_mode;
39 };
40 #define to_rockchip_crtc_state(s) \
41 		container_of(s, struct rockchip_crtc_state, base)
42 
43 /*
44  * Rockchip drm private structure.
45  *
46  * @crtc: array of enabled CRTCs, used to map from "pipe" to drm_crtc.
47  * @num_pipe: number of pipes for this device.
48  * @mm_lock: protect drm_mm on multi-threads.
49  */
50 struct rockchip_drm_private {
51 	struct drm_fb_helper fbdev_helper;
52 	struct drm_gem_object *fbdev_bo;
53 	struct drm_atomic_state *state;
54 	struct iommu_domain *domain;
55 	struct mutex mm_lock;
56 	struct drm_mm mm;
57 	struct list_head psr_list;
58 	spinlock_t psr_list_lock;
59 };
60 
61 int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
62 				   struct device *dev);
63 void rockchip_drm_dma_detach_device(struct drm_device *drm_dev,
64 				    struct device *dev);
65 int rockchip_drm_wait_vact_end(struct drm_crtc *crtc, unsigned int mstimeout);
66 
67 extern struct platform_driver cdn_dp_driver;
68 extern struct platform_driver dw_hdmi_rockchip_pltfm_driver;
69 extern struct platform_driver dw_mipi_dsi_driver;
70 extern struct platform_driver inno_hdmi_driver;
71 extern struct platform_driver rockchip_dp_driver;
72 extern struct platform_driver rockchip_lvds_driver;
73 extern struct platform_driver vop_platform_driver;
74 #endif /* _ROCKCHIP_DRM_DRV_H_ */
75