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/bits.h>
16 #include <linux/component.h>
17 #include <linux/i2c.h>
18 #include <linux/module.h>
19 
20 #define ROCKCHIP_MAX_FB_BUFFER	3
21 #define ROCKCHIP_MAX_CONNECTOR	2
22 #define ROCKCHIP_MAX_CRTC	4
23 
24 /*
25  * display output interface supported by rockchip lcdc
26  */
27 #define ROCKCHIP_OUT_MODE_P888		0
28 #define ROCKCHIP_OUT_MODE_BT1120	0
29 #define ROCKCHIP_OUT_MODE_P666		1
30 #define ROCKCHIP_OUT_MODE_P565		2
31 #define ROCKCHIP_OUT_MODE_BT656		5
32 #define ROCKCHIP_OUT_MODE_S888		8
33 #define ROCKCHIP_OUT_MODE_S888_DUMMY	12
34 #define ROCKCHIP_OUT_MODE_YUV420	14
35 /* for use special outface */
36 #define ROCKCHIP_OUT_MODE_AAAA		15
37 
38 /* output flags */
39 #define ROCKCHIP_OUTPUT_DSI_DUAL	BIT(0)
40 
41 struct drm_device;
42 struct drm_connector;
43 struct iommu_domain;
44 
45 struct rockchip_crtc_state {
46 	struct drm_crtc_state base;
47 	int output_type;
48 	int output_mode;
49 	int output_bpc;
50 	int output_flags;
51 	bool enable_afbc;
52 	bool yuv_overlay;
53 	u32 bus_format;
54 	u32 bus_flags;
55 	int color_space;
56 };
57 #define to_rockchip_crtc_state(s) \
58 		container_of(s, struct rockchip_crtc_state, base)
59 
60 /*
61  * Rockchip drm private structure.
62  *
63  * @crtc: array of enabled CRTCs, used to map from "pipe" to drm_crtc.
64  * @num_pipe: number of pipes for this device.
65  * @mm_lock: protect drm_mm on multi-threads.
66  */
67 struct rockchip_drm_private {
68 	struct iommu_domain *domain;
69 	struct device *iommu_dev;
70 	struct mutex mm_lock;
71 	struct drm_mm mm;
72 };
73 
74 struct rockchip_encoder {
75 	int crtc_endpoint_id;
76 	struct drm_encoder encoder;
77 };
78 
79 int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
80 				   struct device *dev);
81 void rockchip_drm_dma_detach_device(struct drm_device *drm_dev,
82 				    struct device *dev);
83 void rockchip_drm_dma_init_device(struct drm_device *drm_dev,
84 				  struct device *dev);
85 int rockchip_drm_wait_vact_end(struct drm_crtc *crtc, unsigned int mstimeout);
86 int rockchip_drm_encoder_set_crtc_endpoint_id(struct rockchip_encoder *rencoder,
87 					      struct device_node *np, int port, int reg);
88 int rockchip_drm_endpoint_is_subdriver(struct device_node *ep);
89 extern struct platform_driver cdn_dp_driver;
90 extern struct platform_driver dw_hdmi_rockchip_pltfm_driver;
91 extern struct platform_driver dw_mipi_dsi_rockchip_driver;
92 extern struct platform_driver inno_hdmi_driver;
93 extern struct platform_driver rockchip_dp_driver;
94 extern struct platform_driver rockchip_lvds_driver;
95 extern struct platform_driver vop_platform_driver;
96 extern struct platform_driver rk3066_hdmi_driver;
97 extern struct platform_driver vop2_platform_driver;
98 
to_rockchip_encoder(struct drm_encoder * encoder)99 static inline struct rockchip_encoder *to_rockchip_encoder(struct drm_encoder *encoder)
100 {
101 	return container_of(encoder, struct rockchip_encoder, encoder);
102 }
103 
104 #endif /* _ROCKCHIP_DRM_DRV_H_ */
105