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Linux kernel mirror (for testing)
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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_fb_helper.h>
13#include <drm/drm_atomic_helper.h>
14#include <drm/drm_gem.h>
15
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 2
22
23struct drm_device;
24struct drm_connector;
25struct iommu_domain;
26
27struct 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};
35#define to_rockchip_crtc_state(s) \
36 container_of(s, struct rockchip_crtc_state, base)
37
38/*
39 * Rockchip drm private structure.
40 *
41 * @crtc: array of enabled CRTCs, used to map from "pipe" to drm_crtc.
42 * @num_pipe: number of pipes for this device.
43 * @mm_lock: protect drm_mm on multi-threads.
44 */
45struct rockchip_drm_private {
46 struct iommu_domain *domain;
47 struct mutex mm_lock;
48 struct drm_mm mm;
49};
50
51int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
52 struct device *dev);
53void rockchip_drm_dma_detach_device(struct drm_device *drm_dev,
54 struct device *dev);
55int rockchip_drm_wait_vact_end(struct drm_crtc *crtc, unsigned int mstimeout);
56
57int rockchip_drm_endpoint_is_subdriver(struct device_node *ep);
58extern struct platform_driver cdn_dp_driver;
59extern struct platform_driver dw_hdmi_rockchip_pltfm_driver;
60extern struct platform_driver dw_mipi_dsi_rockchip_driver;
61extern struct platform_driver inno_hdmi_driver;
62extern struct platform_driver rockchip_dp_driver;
63extern struct platform_driver rockchip_lvds_driver;
64extern struct platform_driver vop_platform_driver;
65extern struct platform_driver rk3066_hdmi_driver;
66#endif /* _ROCKCHIP_DRM_DRV_H_ */