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_gem.h>
  22
  23 #include <linux/module.h>
  24 #include <linux/component.h>
  25
  26 #define ROCKCHIP_MAX_FB_BUFFER  3
  27 #define ROCKCHIP_MAX_CONNECTOR  2
  28 #define ROCKCHIP_MAX_CRTC       2
  29
  30 struct drm_device;
  31 struct drm_connector;
  32
  33 /*
  34  * Rockchip drm private crtc funcs.
  35  * @enable_vblank: enable crtc vblank irq.
  36  * @disable_vblank: disable crtc vblank irq.
  37  */
  38 struct rockchip_crtc_funcs {
  39         int (*enable_vblank)(struct drm_crtc *crtc);
  40         void (*disable_vblank)(struct drm_crtc *crtc);
  41 };
  42
  43 /*
  44  * Rockchip drm private structure.
  45  *
  46  * @crtc: array of enabled CRTCs, used to map from "pipe" to drm_crtc.
  47  * @num_pipe: number of pipes for this device.
  48  */
  49 struct rockchip_drm_private {
  50         struct drm_fb_helper fbdev_helper;
  51         struct drm_gem_object *fbdev_bo;
  52         const struct rockchip_crtc_funcs *crtc_funcs[ROCKCHIP_MAX_CRTC];
  53 };
  54
  55 int rockchip_register_crtc_funcs(struct drm_device *dev,
  56                                  const struct rockchip_crtc_funcs *crtc_funcs,
  57                                  int pipe);
  58 void rockchip_unregister_crtc_funcs(struct drm_device *dev, int pipe);
  59 int rockchip_drm_encoder_get_mux_id(struct device_node *node,
  60                                     struct drm_encoder *encoder);
  61 int rockchip_drm_crtc_mode_config(struct drm_crtc *crtc, int connector_type,
  62                                   int out_mode);
  63 int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
  64                                    struct device *dev);
  65 void rockchip_drm_dma_detach_device(struct drm_device *drm_dev,
  66                                     struct device *dev);
  67
  68 #endif /* _ROCKCHIP_DRM_DRV_H_ */