drivers/gpu/drm/rockchip/rockchip_drm_drv.h

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