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};
43
44struct rockchip_crtc_state {
45	struct drm_crtc_state base;
46	int output_type;
47	int output_mode;
48};
49#define to_rockchip_crtc_state(s) \
50		container_of(s, struct rockchip_crtc_state, base)
51
52/*
53 * Rockchip drm private structure.
54 *
55 * @crtc: array of enabled CRTCs, used to map from "pipe" to drm_crtc.
56 * @num_pipe: number of pipes for this device.
57 */
58struct rockchip_drm_private {
59	struct drm_fb_helper fbdev_helper;
60	struct drm_gem_object *fbdev_bo;
61	const struct rockchip_crtc_funcs *crtc_funcs[ROCKCHIP_MAX_CRTC];
62	struct drm_atomic_state *state;
63
64	struct list_head psr_list;
65	spinlock_t psr_list_lock;
66};
67
68int rockchip_register_crtc_funcs(struct drm_crtc *crtc,
69				 const struct rockchip_crtc_funcs *crtc_funcs);
70void rockchip_unregister_crtc_funcs(struct drm_crtc *crtc);
71int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
72				   struct device *dev);
73void rockchip_drm_dma_detach_device(struct drm_device *drm_dev,
74				    struct device *dev);
75int rockchip_drm_wait_line_flag(struct drm_crtc *crtc, unsigned int line_num,
76				unsigned int mstimeout);
77
78#endif /* _ROCKCHIP_DRM_DRV_H_ */