drivers/gpu/drm/mediatek/mtk_drm_drv.h

   1 /*
   2  * Copyright (c) 2015 MediaTek Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  */
  13
  14 #ifndef MTK_DRM_DRV_H
  15 #define MTK_DRM_DRV_H
  16
  17 #include <linux/io.h>
  18 #include "mtk_drm_ddp_comp.h"
  19
  20 #define MAX_CRTC        3
  21 #define MAX_CONNECTOR   2
  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_mmsys_driver_data {
  32         const enum mtk_ddp_comp_id *main_path;
  33         unsigned int main_len;
  34         const enum mtk_ddp_comp_id *ext_path;
  35         unsigned int ext_len;
  36         const enum mtk_ddp_comp_id *third_path;
  37         unsigned int third_len;
  38
  39         bool shadow_register;
  40 };
  41
  42 struct mtk_drm_private {
  43         struct drm_device *drm;
  44         struct device *dma_dev;
  45
  46         unsigned int num_pipes;
  47
  48         struct device_node *mutex_node;
  49         struct device *mutex_dev;
  50         void __iomem *config_regs;
  51         struct device_node *comp_node[DDP_COMPONENT_ID_MAX];
  52         struct mtk_ddp_comp *ddp_comp[DDP_COMPONENT_ID_MAX];
  53         const struct mtk_mmsys_driver_data *data;
  54
  55         struct {
  56                 struct drm_atomic_state *state;
  57                 struct work_struct work;
  58                 struct mutex lock;
  59         } commit;
  60
  61         struct drm_atomic_state *suspend_state;
  62 };
  63
  64 extern struct platform_driver mtk_ddp_driver;
  65 extern struct platform_driver mtk_disp_color_driver;
  66 extern struct platform_driver mtk_disp_ovl_driver;
  67 extern struct platform_driver mtk_disp_rdma_driver;
  68 extern struct platform_driver mtk_dpi_driver;
  69 extern struct platform_driver mtk_dsi_driver;
  70 extern struct platform_driver mtk_mipi_tx_driver;
  71
  72 #endif /* MTK_DRM_DRV_H */