drivers/gpu/drm/mediatek/mtk_drm_drv.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (c) 2015 MediaTek Inc.
   4  */
   5
   6 #ifndef MTK_DRM_DRV_H
   7 #define MTK_DRM_DRV_H
   8
   9 #include <linux/io.h>
  10 #include "mtk_ddp_comp.h"
  11
  12 #define MAX_CONNECTOR   2
  13 #define DDP_COMPONENT_DRM_OVL_ADAPTOR (DDP_COMPONENT_ID_MAX + 1)
  14 #define DDP_COMPONENT_DRM_ID_MAX (DDP_COMPONENT_DRM_OVL_ADAPTOR + 1)
  15
  16 enum mtk_crtc_path {
  17         CRTC_MAIN,
  18         CRTC_EXT,
  19         CRTC_THIRD,
  20         MAX_CRTC,
  21 };
  22
  23 struct device;
  24 struct device_node;
  25 struct drm_crtc;
  26 struct drm_device;
  27 struct drm_fb_helper;
  28 struct drm_property;
  29 struct regmap;
  30
  31 struct mtk_drm_route {
  32         const unsigned int crtc_id;
  33         const unsigned int route_ddp;
  34 };
  35
  36 struct mtk_mmsys_driver_data {
  37         const unsigned int *main_path;
  38         unsigned int main_len;
  39         const unsigned int *ext_path;
  40         unsigned int ext_len;
  41         const unsigned int *third_path;
  42         unsigned int third_len;
  43         const struct mtk_drm_route *conn_routes;
  44         unsigned int num_conn_routes;
  45
  46         bool shadow_register;
  47         unsigned int mmsys_id;
  48         unsigned int mmsys_dev_num;
  49
  50         u16 max_width;
  51         u16 min_width;
  52         u16 min_height;
  53 };
  54
  55 struct mtk_drm_private {
  56         struct drm_device *drm;
  57         struct device *dma_dev;
  58         bool mtk_drm_bound;
  59         bool drm_master;
  60         struct device *dev;
  61         struct device_node *mutex_node;
  62         struct device *mutex_dev;
  63         struct device *mmsys_dev;
  64         struct device_node *comp_node[DDP_COMPONENT_DRM_ID_MAX];
  65         struct mtk_ddp_comp ddp_comp[DDP_COMPONENT_DRM_ID_MAX];
  66         struct mtk_mmsys_driver_data *data;
  67         struct drm_atomic_state *suspend_state;
  68         unsigned int mbox_index;
  69         struct mtk_drm_private **all_drm_private;
  70 };
  71
  72 extern struct platform_driver mtk_disp_aal_driver;
  73 extern struct platform_driver mtk_disp_ccorr_driver;
  74 extern struct platform_driver mtk_disp_color_driver;
  75 extern struct platform_driver mtk_disp_gamma_driver;
  76 extern struct platform_driver mtk_disp_merge_driver;
  77 extern struct platform_driver mtk_disp_ovl_adaptor_driver;
  78 extern struct platform_driver mtk_disp_ovl_driver;
  79 extern struct platform_driver mtk_disp_rdma_driver;
  80 extern struct platform_driver mtk_dpi_driver;
  81 extern struct platform_driver mtk_dsi_driver;
  82 extern struct platform_driver mtk_ethdr_driver;
  83 extern struct platform_driver mtk_mdp_rdma_driver;
  84 extern struct platform_driver mtk_padding_driver;
  85 #endif /* MTK_DRM_DRV_H */