tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
3 * Author:Mark Yao <mark.yao@rock-chips.com>
4 *
5 * based on exynos_drm_drv.h
6 *
7 * This software is licensed under the terms of the GNU General Public
8 * License version 2, as published by the Free Software Foundation, and
9 * may be copied, distributed, and modified under those terms.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 */
16
17#ifndef _ROCKCHIP_DRM_DRV_H
18#define _ROCKCHIP_DRM_DRV_H
19
20#include <drm/drm_fb_helper.h>
21#include <drm/drm_atomic_helper.h>
22#include <drm/drm_gem.h>
23
24#include <linux/module.h>
25#include <linux/component.h>
26
27#define ROCKCHIP_MAX_FB_BUFFER 3
28#define ROCKCHIP_MAX_CONNECTOR 2
29#define ROCKCHIP_MAX_CRTC 2
30
31struct drm_device;
32struct drm_connector;
33struct iommu_domain;
34
35struct rockchip_crtc_state {
36 struct drm_crtc_state base;
37 int output_type;
38 int output_mode;
39 int output_bpc;
40 int output_flags;
41};
42#define to_rockchip_crtc_state(s) \
43 container_of(s, struct rockchip_crtc_state, base)
44
45/*
46 * Rockchip drm private structure.
47 *
48 * @crtc: array of enabled CRTCs, used to map from "pipe" to drm_crtc.
49 * @num_pipe: number of pipes for this device.
50 * @mm_lock: protect drm_mm on multi-threads.
51 */
52struct rockchip_drm_private {
53 struct drm_fb_helper fbdev_helper;
54 struct drm_gem_object *fbdev_bo;
55 struct iommu_domain *domain;
56 struct mutex mm_lock;
57 struct drm_mm mm;
58 struct list_head psr_list;
59 struct mutex psr_list_lock;
60};
61
62int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
63 struct device *dev);
64void rockchip_drm_dma_detach_device(struct drm_device *drm_dev,
65 struct device *dev);
66int rockchip_drm_wait_vact_end(struct drm_crtc *crtc, unsigned int mstimeout);
67
68int rockchip_drm_endpoint_is_subdriver(struct device_node *ep);
69extern struct platform_driver cdn_dp_driver;
70extern struct platform_driver dw_hdmi_rockchip_pltfm_driver;
71extern struct platform_driver dw_mipi_dsi_rockchip_driver;
72extern struct platform_driver inno_hdmi_driver;
73extern struct platform_driver rockchip_dp_driver;
74extern struct platform_driver rockchip_lvds_driver;
75extern struct platform_driver vop_platform_driver;
76#endif /* _ROCKCHIP_DRM_DRV_H_ */