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 31 struct drm_device; 32 struct 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 */ 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); 44 }; 45 46 struct rockchip_atomic_commit { 47 struct work_struct work; 48 struct drm_atomic_state *state; 49 struct drm_device *dev; 50 struct mutex lock; 51 }; 52 53 struct rockchip_crtc_state { 54 struct drm_crtc_state base; 55 int output_type; 56 int output_mode; 57 }; 58 #define to_rockchip_crtc_state(s) \ 59 container_of(s, struct rockchip_crtc_state, base) 60 61 /* 62 * Rockchip drm private structure. 63 * 64 * @crtc: array of enabled CRTCs, used to map from "pipe" to drm_crtc. 65 * @num_pipe: number of pipes for this device. 66 */ 67 struct rockchip_drm_private { 68 struct drm_fb_helper fbdev_helper; 69 struct drm_gem_object *fbdev_bo; 70 const struct rockchip_crtc_funcs *crtc_funcs[ROCKCHIP_MAX_CRTC]; 71 72 struct rockchip_atomic_commit commit; 73 }; 74 75 void rockchip_drm_atomic_work(struct work_struct *work); 76 int rockchip_register_crtc_funcs(struct drm_crtc *crtc, 77 const struct rockchip_crtc_funcs *crtc_funcs); 78 void rockchip_unregister_crtc_funcs(struct drm_crtc *crtc); 79 int rockchip_drm_dma_attach_device(struct drm_device *drm_dev, 80 struct device *dev); 81 void rockchip_drm_dma_detach_device(struct drm_device *drm_dev, 82 struct device *dev); 83 #endif /* _ROCKCHIP_DRM_DRV_H_ */ 84