2 * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
3 * Author:Mark Yao <mark.yao@rock-chips.com>
5 * based on exynos_drm_drv.h
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.
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.
17 #ifndef _ROCKCHIP_DRM_DRV_H
18 #define _ROCKCHIP_DRM_DRV_H
20 #include <drm/drm_fb_helper.h>
21 #include <drm/drm_atomic_helper.h>
22 #include <drm/drm_gem.h>
24 #include <linux/module.h>
25 #include <linux/component.h>
27 #define ROCKCHIP_MAX_FB_BUFFER 3
28 #define ROCKCHIP_MAX_CONNECTOR 2
29 #define ROCKCHIP_MAX_CRTC 2
36 * Rockchip drm private crtc funcs.
37 * @enable_vblank: enable crtc vblank irq.
38 * @disable_vblank: disable crtc vblank irq.
40 struct rockchip_crtc_funcs {
41 int (*enable_vblank)(struct drm_crtc *crtc);
42 void (*disable_vblank)(struct drm_crtc *crtc);
43 void (*wait_for_update)(struct drm_crtc *crtc);
44 void (*cancel_pending_vblank)(struct drm_crtc *crtc, struct drm_file *file_priv);
47 struct drm_rockchip_subdrv {
48 struct list_head list;
50 struct drm_device *drm_dev;
52 int (*open)(struct drm_device *drm_dev, struct device *dev,
53 struct drm_file *file);
54 void (*close)(struct drm_device *drm_dev, struct device *dev,
55 struct drm_file *file);
58 struct rockchip_atomic_commit {
59 struct work_struct work;
60 struct drm_atomic_state *state;
61 struct drm_device *dev;
65 struct rockchip_crtc_state {
66 struct drm_crtc_state base;
78 #define to_rockchip_crtc_state(s) \
79 container_of(s, struct rockchip_crtc_state, base)
82 * Rockchip drm_file private structure.
84 * @gem_cpu_acquire_list: list of GEM objects we hold acquires on
86 struct rockchip_drm_file_private {
87 struct list_head gem_cpu_acquire_list;
88 struct rockchip_drm_rga_private *rga_priv;
91 struct rockchip_logo {
100 * Rockchip drm private structure.
102 * @crtc: array of enabled CRTCs, used to map from "pipe" to drm_crtc.
103 * @num_pipe: number of pipes for this device.
104 * @cpu_fence_context: fence context used for CPU acquire/release
105 * @cpu_fence_seqno: fence sequence number
107 struct rockchip_drm_private {
108 struct rockchip_logo *logo;
109 struct drm_fb_helper *fbdev_helper;
110 struct drm_gem_object *fbdev_bo;
111 const struct rockchip_crtc_funcs *crtc_funcs[ROCKCHIP_MAX_CRTC];
112 struct drm_atomic_state *state;
114 struct rockchip_atomic_commit commit;
115 struct iommu_domain *domain;
116 #ifdef CONFIG_DRM_DMA_SYNC
117 unsigned int cpu_fence_context;
118 atomic_t cpu_fence_seqno;
123 void rockchip_drm_atomic_work(struct work_struct *work);
124 int rockchip_register_crtc_funcs(struct drm_crtc *crtc,
125 const struct rockchip_crtc_funcs *crtc_funcs);
126 void rockchip_unregister_crtc_funcs(struct drm_crtc *crtc);
127 int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
129 void rockchip_drm_dma_detach_device(struct drm_device *drm_dev,
131 int rockchip_drm_wait_line_flag(struct drm_crtc *crtc, unsigned int line_num,
132 unsigned int mstimeout);
134 int rockchip_drm_register_subdrv(struct drm_rockchip_subdrv *subdrv);
135 int rockchip_drm_unregister_subdrv(struct drm_rockchip_subdrv *subdrv);
137 #endif /* _ROCKCHIP_DRM_DRV_H_ */