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