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 struct iommu_domain; 34 35 /* 36 * Rockchip drm private crtc funcs. 37 * @enable_vblank: enable crtc vblank irq. 38 * @disable_vblank: disable crtc vblank irq. 39 */ 40 struct rockchip_crtc_funcs { 41 int (*enable_vblank)(struct drm_crtc *crtc); 42 void (*disable_vblank)(struct drm_crtc *crtc); 43 }; 44 45 struct rockchip_crtc_state { 46 struct drm_crtc_state base; 47 int output_type; 48 int output_mode; 49 }; 50 #define to_rockchip_crtc_state(s) \ 51 container_of(s, struct rockchip_crtc_state, base) 52 53 /* 54 * Rockchip drm private structure. 55 * 56 * @crtc: array of enabled CRTCs, used to map from "pipe" to drm_crtc. 57 * @num_pipe: number of pipes for this device. 58 */ 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 */ 66 struct mutex mm_lock; 67 struct drm_mm mm; 68 struct list_head psr_list; 69 spinlock_t psr_list_lock; 70 }; 71 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, 76 struct device *dev); 77 void rockchip_drm_dma_detach_device(struct drm_device *drm_dev, 78 struct device *dev); 79 int rockchip_drm_wait_line_flag(struct drm_crtc *crtc, unsigned int line_num, 80 unsigned int mstimeout); 81 82 #endif /* _ROCKCHIP_DRM_DRV_H_ */ 83