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_gem.h> 22 23 #include <linux/module.h> 24 #include <linux/component.h> 25 26 #define ROCKCHIP_MAX_FB_BUFFER 3 27 #define ROCKCHIP_MAX_CONNECTOR 2 28 #define ROCKCHIP_MAX_CRTC 2 29 30 struct drm_device; 31 struct drm_connector; 32 33 /* 34 * Rockchip drm private crtc funcs. 35 * @enable_vblank: enable crtc vblank irq. 36 * @disable_vblank: disable crtc vblank irq. 37 */ 38 struct rockchip_crtc_funcs { 39 int (*enable_vblank)(struct drm_crtc *crtc); 40 void (*disable_vblank)(struct drm_crtc *crtc); 41 }; 42 43 /* 44 * Rockchip drm private structure. 45 * 46 * @crtc: array of enabled CRTCs, used to map from "pipe" to drm_crtc. 47 * @num_pipe: number of pipes for this device. 48 */ 49 struct rockchip_drm_private { 50 struct drm_fb_helper fbdev_helper; 51 struct drm_gem_object *fbdev_bo; 52 const struct rockchip_crtc_funcs *crtc_funcs[ROCKCHIP_MAX_CRTC]; 53 }; 54 55 int rockchip_register_crtc_funcs(struct drm_device *dev, 56 const struct rockchip_crtc_funcs *crtc_funcs, 57 int pipe); 58 void rockchip_unregister_crtc_funcs(struct drm_device *dev, int pipe); 59 int rockchip_drm_encoder_get_mux_id(struct device_node *node, 60 struct drm_encoder *encoder); 61 int rockchip_drm_crtc_mode_config(struct drm_crtc *crtc, int connector_type, 62 int out_mode); 63 int rockchip_drm_dma_attach_device(struct drm_device *drm_dev, 64 struct device *dev); 65 void rockchip_drm_dma_detach_device(struct drm_device *drm_dev, 66 struct device *dev); 67 68 #endif /* _ROCKCHIP_DRM_DRV_H_ */ 69