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;
65 * Rockchip drm_file private structure.
67 * @gem_cpu_acquire_list: list of GEM objects we hold acquires on
69 struct rockchip_drm_file_private {
70 struct list_head gem_cpu_acquire_list;
71 struct rockchip_drm_rga_private *rga_priv;
75 * Rockchip drm private structure.
77 * @crtc: array of enabled CRTCs, used to map from "pipe" to drm_crtc.
78 * @num_pipe: number of pipes for this device.
79 * @cpu_fence_context: fence context used for CPU acquire/release
80 * @cpu_fence_seqno: fence sequence number
82 struct rockchip_drm_private {
83 struct drm_fb_helper fbdev_helper;
84 struct drm_gem_object *fbdev_bo;
85 const struct rockchip_crtc_funcs *crtc_funcs[ROCKCHIP_MAX_CRTC];
87 struct rockchip_atomic_commit commit;
88 struct iommu_domain *domain;
89 #ifdef CONFIG_DRM_DMA_SYNC
90 unsigned int cpu_fence_context;
91 atomic_t cpu_fence_seqno;
95 void rockchip_drm_atomic_work(struct work_struct *work);
96 int rockchip_register_crtc_funcs(struct drm_crtc *crtc,
97 const struct rockchip_crtc_funcs *crtc_funcs);
98 void rockchip_unregister_crtc_funcs(struct drm_crtc *crtc);
99 int rockchip_drm_encoder_get_mux_id(struct device_node *node,
100 struct drm_encoder *encoder);
101 int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
103 void rockchip_drm_dma_detach_device(struct drm_device *drm_dev,
106 int rockchip_drm_register_subdrv(struct drm_rockchip_subdrv *subdrv);
107 int rockchip_drm_unregister_subdrv(struct drm_rockchip_subdrv *subdrv);
109 #endif /* _ROCKCHIP_DRM_DRV_H_ */