2048e3286f
This patch adds the basic structure of a DRM Driver for Rockchip Socs. Signed-off-by: Mark Yao <mark.yao@rock-chips.com> Signed-off-by: Daniel Kurtz <djkurtz@chromium.org> Acked-by: Daniel Vetter <daniel@ffwll.ch> Reviewed-by: Rob Clark <robdclark@gmail.com>
68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
/*
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* Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
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* Author:Mark Yao <mark.yao@rock-chips.com>
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*
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* based on exynos_drm_drv.h
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _ROCKCHIP_DRM_DRV_H
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#define _ROCKCHIP_DRM_DRV_H
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#include <drm/drm_fb_helper.h>
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#include <drm/drm_gem.h>
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#include <linux/module.h>
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#include <linux/component.h>
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#define ROCKCHIP_MAX_FB_BUFFER 3
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#define ROCKCHIP_MAX_CONNECTOR 2
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#define ROCKCHIP_MAX_CRTC 2
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struct drm_device;
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struct drm_connector;
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/*
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* Rockchip drm private crtc funcs.
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* @enable_vblank: enable crtc vblank irq.
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* @disable_vblank: disable crtc vblank irq.
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*/
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struct rockchip_crtc_funcs {
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int (*enable_vblank)(struct drm_crtc *crtc);
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void (*disable_vblank)(struct drm_crtc *crtc);
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};
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/*
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* Rockchip drm private structure.
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*
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* @crtc: array of enabled CRTCs, used to map from "pipe" to drm_crtc.
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* @num_pipe: number of pipes for this device.
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*/
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struct rockchip_drm_private {
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struct drm_fb_helper fbdev_helper;
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struct drm_gem_object *fbdev_bo;
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const struct rockchip_crtc_funcs *crtc_funcs[ROCKCHIP_MAX_CRTC];
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};
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int rockchip_register_crtc_funcs(struct drm_device *dev,
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const struct rockchip_crtc_funcs *crtc_funcs,
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int pipe);
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void rockchip_unregister_crtc_funcs(struct drm_device *dev, int pipe);
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int rockchip_drm_encoder_get_mux_id(struct device_node *node,
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struct drm_encoder *encoder);
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int rockchip_drm_crtc_mode_config(struct drm_crtc *crtc, int connector_type,
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int out_mode);
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int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
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struct device *dev);
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void rockchip_drm_dma_detach_device(struct drm_device *drm_dev,
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struct device *dev);
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#endif /* _ROCKCHIP_DRM_DRV_H_ */
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