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
);
45 struct rockchip_crtc_state
{
46 struct drm_crtc_state base
;
50 #define to_rockchip_crtc_state(s) \
51 container_of(s, struct rockchip_crtc_state, base)
54 * Rockchip drm private structure.
56 * @crtc: array of enabled CRTCs, used to map from "pipe" to drm_crtc.
57 * @num_pipe: number of pipes for this device.
59 struct rockchip_drm_private
{
60 struct drm_fb_helper fbdev_helper
;
61 struct drm_gem_object
*fbdev_bo
;
62 const struct rockchip_crtc_funcs
*crtc_funcs
[ROCKCHIP_MAX_CRTC
];
63 struct drm_atomic_state
*state
;
64 struct iommu_domain
*domain
;
65 /* protect drm_mm on multi-threads */
68 struct list_head psr_list
;
69 spinlock_t psr_list_lock
;
72 int rockchip_register_crtc_funcs(struct drm_crtc
*crtc
,
73 const struct rockchip_crtc_funcs
*crtc_funcs
);
74 void rockchip_unregister_crtc_funcs(struct drm_crtc
*crtc
);
75 int rockchip_drm_dma_attach_device(struct drm_device
*drm_dev
,
77 void rockchip_drm_dma_detach_device(struct drm_device
*drm_dev
,
79 int rockchip_drm_wait_line_flag(struct drm_crtc
*crtc
, unsigned int line_num
,
80 unsigned int mstimeout
);
82 #endif /* _ROCKCHIP_DRM_DRV_H_ */