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_atomic_helper.h>
13 #include <drm/drm_gem.h>
14 
15 #include <linux/i2c.h>
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	4
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 	bool enable_afbc;
34 	u32 bus_format;
35 	u32 bus_flags;
36 	int color_space;
37 };
38 #define to_rockchip_crtc_state(s) \
39 		container_of(s, struct rockchip_crtc_state, base)
40 
41 /*
42  * Rockchip drm private structure.
43  *
44  * @crtc: array of enabled CRTCs, used to map from "pipe" to drm_crtc.
45  * @num_pipe: number of pipes for this device.
46  * @mm_lock: protect drm_mm on multi-threads.
47  */
48 struct rockchip_drm_private {
49 	struct iommu_domain *domain;
50 	struct device *iommu_dev;
51 	struct mutex mm_lock;
52 	struct drm_mm mm;
53 };
54 
55 struct rockchip_encoder {
56 	int crtc_endpoint_id;
57 	struct drm_encoder encoder;
58 };
59 
60 int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
61 				   struct device *dev);
62 void rockchip_drm_dma_detach_device(struct drm_device *drm_dev,
63 				    struct device *dev);
64 void rockchip_drm_dma_init_device(struct drm_device *drm_dev,
65 				  struct device *dev);
66 int rockchip_drm_wait_vact_end(struct drm_crtc *crtc, unsigned int mstimeout);
67 int rockchip_drm_encoder_set_crtc_endpoint_id(struct rockchip_encoder *rencoder,
68 					      struct device_node *np, int port, int reg);
69 int rockchip_drm_endpoint_is_subdriver(struct device_node *ep);
70 extern struct platform_driver cdn_dp_driver;
71 extern struct platform_driver dw_hdmi_rockchip_pltfm_driver;
72 extern struct platform_driver dw_mipi_dsi_rockchip_driver;
73 extern struct platform_driver inno_hdmi_driver;
74 extern struct platform_driver rockchip_dp_driver;
75 extern struct platform_driver rockchip_lvds_driver;
76 extern struct platform_driver vop_platform_driver;
77 extern struct platform_driver rk3066_hdmi_driver;
78 extern struct platform_driver vop2_platform_driver;
79 
80 static inline struct rockchip_encoder *to_rockchip_encoder(struct drm_encoder *encoder)
81 {
82 	return container_of(encoder, struct rockchip_encoder, encoder);
83 }
84 
85 #endif /* _ROCKCHIP_DRM_DRV_H_ */
86