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;
33
34/*
35 * Rockchip drm private crtc funcs.
36 * @enable_vblank: enable crtc vblank irq.
37 * @disable_vblank: disable crtc vblank irq.
38 */
39struct rockchip_crtc_funcs {
40 int (*enable_vblank)(struct drm_crtc *crtc);
41 void (*disable_vblank)(struct drm_crtc *crtc);
42 void (*wait_for_update)(struct drm_crtc *crtc);
43 void (*cancel_pending_vblank)(struct drm_crtc *crtc, struct drm_file *file_priv);
44};
45
46struct rockchip_atomic_commit {
47 struct work_struct work;
48 struct drm_atomic_state *state;
49 struct drm_device *dev;
50 struct mutex lock;
51};
52
53struct rockchip_crtc_state {
54 struct drm_crtc_state base;
55 int output_type;
56 int output_mode;
57};
58#define to_rockchip_crtc_state(s) \
59 container_of(s, struct rockchip_crtc_state, base)
60
61/*
62 * Rockchip drm private structure.
63 *
64 * @crtc: array of enabled CRTCs, used to map from "pipe" to drm_crtc.
65 * @num_pipe: number of pipes for this device.
66 */
67struct rockchip_drm_private {
68 struct drm_fb_helper fbdev_helper;
69 struct drm_gem_object *fbdev_bo;
70 const struct rockchip_crtc_funcs *crtc_funcs[ROCKCHIP_MAX_CRTC];
71
72 struct rockchip_atomic_commit commit;
73};
74
75void rockchip_drm_atomic_work(struct work_struct *work);
76int rockchip_register_crtc_funcs(struct drm_crtc *crtc,
77 const struct rockchip_crtc_funcs *crtc_funcs);
78void rockchip_unregister_crtc_funcs(struct drm_crtc *crtc);
79int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
80 struct device *dev);
81void rockchip_drm_dma_detach_device(struct drm_device *drm_dev,
82 struct device *dev);
83#endif /* _ROCKCHIP_DRM_DRV_H_ */