1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
4  * Author:Mark Yao <mark.yao@rock-chips.com>
5  *
6  * based on exynos_drm_drv.h
7  */
8 
9 #ifndef _ROCKCHIP_DRM_DRV_H
10 #define _ROCKCHIP_DRM_DRV_H
11 
12 #include <drm/drm_fb_helper.h>
13 #include <drm/drm_atomic_helper.h>
14 #include <drm/drm_gem.h>
15 
16 #include <linux/module.h>
17 #include <linux/component.h>
18 
19 #define ROCKCHIP_MAX_FB_BUFFER	3
20 #define ROCKCHIP_MAX_CONNECTOR	2
21 #define ROCKCHIP_MAX_CRTC	2
22 
23 struct drm_device;
24 struct drm_connector;
25 struct iommu_domain;
26 
27 struct rockchip_crtc_state {
28 	struct drm_crtc_state base;
29 	int output_type;
30 	int output_mode;
31 	int output_bpc;
32 	int output_flags;
33 };
34 #define to_rockchip_crtc_state(s) \
35 		container_of(s, struct rockchip_crtc_state, base)
36 
37 /*
38  * Rockchip drm private structure.
39  *
40  * @crtc: array of enabled CRTCs, used to map from "pipe" to drm_crtc.
41  * @num_pipe: number of pipes for this device.
42  * @mm_lock: protect drm_mm on multi-threads.
43  */
44 struct rockchip_drm_private {
45 	struct drm_fb_helper fbdev_helper;
46 	struct drm_gem_object *fbdev_bo;
47 	struct iommu_domain *domain;
48 	struct mutex mm_lock;
49 	struct drm_mm mm;
50 	struct list_head psr_list;
51 	struct mutex psr_list_lock;
52 };
53 
54 int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
55 				   struct device *dev);
56 void rockchip_drm_dma_detach_device(struct drm_device *drm_dev,
57 				    struct device *dev);
58 int rockchip_drm_wait_vact_end(struct drm_crtc *crtc, unsigned int mstimeout);
59 
60 int rockchip_drm_endpoint_is_subdriver(struct device_node *ep);
61 extern struct platform_driver cdn_dp_driver;
62 extern struct platform_driver dw_hdmi_rockchip_pltfm_driver;
63 extern struct platform_driver dw_mipi_dsi_rockchip_driver;
64 extern struct platform_driver inno_hdmi_driver;
65 extern struct platform_driver rockchip_dp_driver;
66 extern struct platform_driver rockchip_lvds_driver;
67 extern struct platform_driver vop_platform_driver;
68 extern struct platform_driver rk3066_hdmi_driver;
69 #endif /* _ROCKCHIP_DRM_DRV_H_ */
70