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_ddp_comp.h"
11
12#define MAX_CONNECTOR 2
13#define DDP_COMPONENT_DRM_OVL_ADAPTOR (DDP_COMPONENT_ID_MAX + 1)
14#define DDP_COMPONENT_DRM_ID_MAX (DDP_COMPONENT_DRM_OVL_ADAPTOR + 1)
15
16enum mtk_crtc_path {
17 CRTC_MAIN,
18 CRTC_EXT,
19 CRTC_THIRD,
20 MAX_CRTC,
21};
22
23struct device;
24struct device_node;
25struct drm_crtc;
26struct drm_device;
27struct drm_fb_helper;
28struct drm_property;
29struct regmap;
30
31struct mtk_drm_route {
32 const unsigned int crtc_id;
33 const unsigned int route_ddp;
34};
35
36struct mtk_mmsys_driver_data {
37 const unsigned int *main_path;
38 unsigned int main_len;
39 const unsigned int *ext_path;
40 unsigned int ext_len;
41 const unsigned int *third_path;
42 unsigned int third_len;
43 const struct mtk_drm_route *conn_routes;
44 unsigned int num_conn_routes;
45
46 bool shadow_register;
47 unsigned int mmsys_id;
48 unsigned int mmsys_dev_num;
49
50 u16 max_width;
51 u16 min_width;
52 u16 min_height;
53};
54
55struct mtk_drm_private {
56 struct drm_device *drm;
57 struct device *dma_dev;
58 bool mtk_drm_bound;
59 bool drm_master;
60 struct device *dev;
61 struct device_node *mutex_node;
62 struct device *mutex_dev;
63 struct device *mmsys_dev;
64 struct device_node *comp_node[DDP_COMPONENT_DRM_ID_MAX];
65 struct mtk_ddp_comp ddp_comp[DDP_COMPONENT_DRM_ID_MAX];
66 struct mtk_mmsys_driver_data *data;
67 struct drm_atomic_state *suspend_state;
68 unsigned int mbox_index;
69 struct mtk_drm_private **all_drm_private;
70};
71
72extern struct platform_driver mtk_disp_aal_driver;
73extern struct platform_driver mtk_disp_ccorr_driver;
74extern struct platform_driver mtk_disp_color_driver;
75extern struct platform_driver mtk_disp_gamma_driver;
76extern struct platform_driver mtk_disp_merge_driver;
77extern struct platform_driver mtk_disp_ovl_adaptor_driver;
78extern struct platform_driver mtk_disp_ovl_driver;
79extern struct platform_driver mtk_disp_rdma_driver;
80extern struct platform_driver mtk_dpi_driver;
81extern struct platform_driver mtk_dsi_driver;
82extern struct platform_driver mtk_ethdr_driver;
83extern struct platform_driver mtk_mdp_rdma_driver;
84extern struct platform_driver mtk_padding_driver;
85#endif /* MTK_DRM_DRV_H */
86

source code of linux/drivers/gpu/drm/mediatek/mtk_drm_drv.h