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 struct rockchip_crtc_state { 36 struct drm_crtc_state base; 37 int output_type; 38 int output_mode; 39 int output_bpc; 40 }; 41 #define to_rockchip_crtc_state(s) \ 42 container_of(s, struct rockchip_crtc_state, base) 43 44 /* 45 * Rockchip drm private structure. 46 * 47 * @crtc: array of enabled CRTCs, used to map from "pipe" to drm_crtc. 48 * @num_pipe: number of pipes for this device. 49 * @mm_lock: protect drm_mm on multi-threads. 50 */ 51 struct rockchip_drm_private { 52 struct drm_fb_helper fbdev_helper; 53 struct drm_gem_object *fbdev_bo; 54 struct iommu_domain *domain; 55 struct mutex mm_lock; 56 struct drm_mm mm; 57 struct list_head psr_list; 58 struct mutex psr_list_lock; 59 }; 60 61 int rockchip_drm_dma_attach_device(struct drm_device *drm_dev, 62 struct device *dev); 63 void rockchip_drm_dma_detach_device(struct drm_device *drm_dev, 64 struct device *dev); 65 int rockchip_drm_wait_vact_end(struct drm_crtc *crtc, unsigned int mstimeout); 66 67 int rockchip_drm_endpoint_is_subdriver(struct device_node *ep); 68 extern struct platform_driver cdn_dp_driver; 69 extern struct platform_driver dw_hdmi_rockchip_pltfm_driver; 70 extern struct platform_driver dw_mipi_dsi_driver; 71 extern struct platform_driver inno_hdmi_driver; 72 extern struct platform_driver rockchip_dp_driver; 73 extern struct platform_driver rockchip_lvds_driver; 74 extern struct platform_driver vop_platform_driver; 75 #endif /* _ROCKCHIP_DRM_DRV_H_ */ 76