1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (c) 2015 MediaTek Inc.
4  */
5 
6 #ifndef MTK_DRM_DRV_H
7 #define MTK_DRM_DRV_H
8 
9 #include <linux/io.h>
10 #include "mtk_drm_ddp_comp.h"
11 
12 #define MAX_CRTC	3
13 #define MAX_CONNECTOR	2
14 
15 struct device;
16 struct device_node;
17 struct drm_crtc;
18 struct drm_device;
19 struct drm_fb_helper;
20 struct drm_property;
21 struct regmap;
22 
23 struct mtk_mmsys_driver_data {
24 	const enum mtk_ddp_comp_id *main_path;
25 	unsigned int main_len;
26 	const enum mtk_ddp_comp_id *ext_path;
27 	unsigned int ext_len;
28 	const enum mtk_ddp_comp_id *third_path;
29 	unsigned int third_len;
30 
31 	bool shadow_register;
32 };
33 
34 struct mtk_drm_private {
35 	struct drm_device *drm;
36 	struct device *dma_dev;
37 
38 	unsigned int num_pipes;
39 
40 	struct device_node *mutex_node;
41 	struct device *mutex_dev;
42 	struct device *mmsys_dev;
43 	struct device_node *comp_node[DDP_COMPONENT_ID_MAX];
44 	struct mtk_ddp_comp ddp_comp[DDP_COMPONENT_ID_MAX];
45 	const struct mtk_mmsys_driver_data *data;
46 	struct drm_atomic_state *suspend_state;
47 };
48 
49 extern struct platform_driver mtk_disp_ccorr_driver;
50 extern struct platform_driver mtk_disp_color_driver;
51 extern struct platform_driver mtk_disp_gamma_driver;
52 extern struct platform_driver mtk_disp_ovl_driver;
53 extern struct platform_driver mtk_disp_rdma_driver;
54 extern struct platform_driver mtk_dpi_driver;
55 extern struct platform_driver mtk_dsi_driver;
56 
57 #endif /* MTK_DRM_DRV_H */
58