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_drm_ddp_comp.h"
  11
  12 #define MAX_CRTC        3
  13 #define MAX_CONNECTOR   2
  14
  15 struct device;
  16 struct device_node;
  17 struct drm_crtc;
  18 struct drm_device;
  19 struct drm_fb_helper;
  20 struct drm_property;
  21 struct regmap;
  22
  23 struct mtk_mmsys_driver_data {
  24         const enum mtk_ddp_comp_id *main_path;
  25         unsigned int main_len;
  26         const enum mtk_ddp_comp_id *ext_path;
  27         unsigned int ext_len;
  28         const enum mtk_ddp_comp_id *third_path;
  29         unsigned int third_len;
  30
  31         bool shadow_register;
  32 };
  33
  34 struct mtk_drm_private {
  35         struct drm_device *drm;
  36         struct device *dma_dev;
  37
  38         unsigned int num_pipes;
  39
  40         struct device_node *mutex_node;
  41         struct device *mutex_dev;
  42         void __iomem *config_regs;
  43         struct device_node *comp_node[DDP_COMPONENT_ID_MAX];
  44         struct mtk_ddp_comp *ddp_comp[DDP_COMPONENT_ID_MAX];
  45         const struct mtk_mmsys_driver_data *data;
  46
  47         struct {
  48                 struct drm_atomic_state *state;
  49                 struct work_struct work;
  50                 struct mutex lock;
  51         } commit;
  52
  53         struct drm_atomic_state *suspend_state;
  54 };
  55
  56 extern struct platform_driver mtk_ddp_driver;
  57 extern struct platform_driver mtk_disp_color_driver;
  58 extern struct platform_driver mtk_disp_ovl_driver;
  59 extern struct platform_driver mtk_disp_rdma_driver;
  60 extern struct platform_driver mtk_dpi_driver;
  61 extern struct platform_driver mtk_dsi_driver;
  62 extern struct platform_driver mtk_mipi_tx_driver;
  63
  64 #endif /* MTK_DRM_DRV_H */