drivers/gpu/drm/rockchip/rockchip_drm_drv.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
   4  * Author:Mark Yao <mark.yao@rock-chips.com>
   5  *
   6  * based on exynos_drm_drv.h
   7  */
   8
   9 #ifndef _ROCKCHIP_DRM_DRV_H
  10 #define _ROCKCHIP_DRM_DRV_H
  11
  12 #include <drm/drm_fb_helper.h>
  13 #include <drm/drm_atomic_helper.h>
  14 #include <drm/drm_gem.h>
  15
  16 #include <linux/module.h>
  17 #include <linux/component.h>
  18
  19 #define ROCKCHIP_MAX_FB_BUFFER  3
  20 #define ROCKCHIP_MAX_CONNECTOR  2
  21 #define ROCKCHIP_MAX_CRTC       2
  22
  23 struct drm_device;
  24 struct drm_connector;
  25 struct iommu_domain;
  26
  27 struct rockchip_crtc_state {
  28         struct drm_crtc_state base;
  29         int output_type;
  30         int output_mode;
  31         int output_bpc;
  32         int output_flags;
  33         bool enable_afbc;
  34 };
  35 #define to_rockchip_crtc_state(s) \
  36                 container_of(s, struct rockchip_crtc_state, base)
  37
  38 /*
  39  * Rockchip drm private structure.
  40  *
  41  * @crtc: array of enabled CRTCs, used to map from "pipe" to drm_crtc.
  42  * @num_pipe: number of pipes for this device.
  43  * @mm_lock: protect drm_mm on multi-threads.
  44  */
  45 struct rockchip_drm_private {
  46         struct drm_fb_helper fbdev_helper;
  47         struct drm_gem_object *fbdev_bo;
  48         struct iommu_domain *domain;
  49         struct mutex mm_lock;
  50         struct drm_mm mm;
  51         struct list_head psr_list;
  52         struct mutex psr_list_lock;
  53 };
  54
  55 int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
  56                                    struct device *dev);
  57 void rockchip_drm_dma_detach_device(struct drm_device *drm_dev,
  58                                     struct device *dev);
  59 int rockchip_drm_wait_vact_end(struct drm_crtc *crtc, unsigned int mstimeout);
  60
  61 int rockchip_drm_endpoint_is_subdriver(struct device_node *ep);
  62 extern struct platform_driver cdn_dp_driver;
  63 extern struct platform_driver dw_hdmi_rockchip_pltfm_driver;
  64 extern struct platform_driver dw_mipi_dsi_rockchip_driver;
  65 extern struct platform_driver inno_hdmi_driver;
  66 extern struct platform_driver rockchip_dp_driver;
  67 extern struct platform_driver rockchip_lvds_driver;
  68 extern struct platform_driver vop_platform_driver;
  69 extern struct platform_driver rk3066_hdmi_driver;
  70 #endif /* _ROCKCHIP_DRM_DRV_H_ */