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
35 * Rockchip drm private crtc funcs.
36 * @enable_vblank: enable crtc vblank irq.
37 * @disable_vblank: disable crtc vblank irq.
39 struct 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);
46 struct drm_rockchip_subdrv {
47 struct list_head list;
49 struct drm_device *drm_dev;
51 int (*open)(struct drm_device *drm_dev, struct device *dev,
52 struct drm_file *file);
53 void (*close)(struct drm_device *drm_dev, struct device *dev,
54 struct drm_file *file);
57 struct rockchip_atomic_commit {
58 struct work_struct work;
59 struct drm_atomic_state *state;
60 struct drm_device *dev;
64 struct rockchip_crtc_state {
65 struct drm_crtc_state base;
77 #define to_rockchip_crtc_state(s) \
78 container_of(s, struct rockchip_crtc_state, base)
81 * Rockchip drm_file private structure.
83 * @gem_cpu_acquire_list: list of GEM objects we hold acquires on
85 struct rockchip_drm_file_private {
86 struct list_head gem_cpu_acquire_list;
87 struct rockchip_drm_rga_private *rga_priv;
90 struct rockchip_logo {
99 * Rockchip drm private structure.
101 * @crtc: array of enabled CRTCs, used to map from "pipe" to drm_crtc.
102 * @num_pipe: number of pipes for this device.
103 * @cpu_fence_context: fence context used for CPU acquire/release
104 * @cpu_fence_seqno: fence sequence number
106 struct rockchip_drm_private {
107 struct rockchip_logo *logo;
108 struct drm_fb_helper *fbdev_helper;
109 struct drm_gem_object *fbdev_bo;
110 const struct rockchip_crtc_funcs *crtc_funcs[ROCKCHIP_MAX_CRTC];
111 struct drm_atomic_state *state;
113 struct rockchip_atomic_commit commit;
114 struct iommu_domain *domain;
115 #ifdef CONFIG_DRM_DMA_SYNC
116 unsigned int cpu_fence_context;
117 atomic_t cpu_fence_seqno;
121 void rockchip_drm_atomic_work(struct work_struct *work);
122 int rockchip_register_crtc_funcs(struct drm_crtc *crtc,
123 const struct rockchip_crtc_funcs *crtc_funcs);
124 void rockchip_unregister_crtc_funcs(struct drm_crtc *crtc);
125 int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
127 void rockchip_drm_dma_detach_device(struct drm_device *drm_dev,
129 int rockchip_drm_wait_line_flag(struct drm_crtc *crtc, unsigned int line_num,
130 unsigned int mstimeout);
132 int rockchip_drm_register_subdrv(struct drm_rockchip_subdrv *subdrv);
133 int rockchip_drm_unregister_subdrv(struct drm_rockchip_subdrv *subdrv);
135 #endif /* _ROCKCHIP_DRM_DRV_H_ */