LXR linux/drivers/gpu/drm/rockchip/rockchip_drm

   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_atomic_helper.h>
  22#include <drm/drm_gem.h>
  23
  24#include <linux/module.h>
  25#include <linux/component.h>
  26
  27#define ROCKCHIP_MAX_FB_BUFFER  3
  28#define ROCKCHIP_MAX_CONNECTOR  2
  29#define ROCKCHIP_MAX_CRTC       2
  30
  31struct drm_device;
  32struct drm_connector;
  33struct iommu_domain;
  34
  35struct rockchip_crtc_state {
  36        struct drm_crtc_state base;
  37        int output_type;
  38        int output_mode;
  39};
  40#define to_rockchip_crtc_state(s) \
  41                container_of(s, struct rockchip_crtc_state, base)
  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 * @mm_lock: protect drm_mm on multi-threads.
  49 */
  50struct rockchip_drm_private {
  51        struct drm_fb_helper fbdev_helper;
  52        struct drm_gem_object *fbdev_bo;
  53        struct drm_atomic_state *state;
  54        struct iommu_domain *domain;
  55        struct mutex mm_lock;
  56        struct drm_mm mm;
  57        struct list_head psr_list;
  58        spinlock_t psr_list_lock;
  59};
  60
  61int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
  62                                   struct device *dev);
  63void rockchip_drm_dma_detach_device(struct drm_device *drm_dev,
  64                                    struct device *dev);
  65int rockchip_drm_wait_vact_end(struct drm_crtc *crtc, unsigned int mstimeout);
  66
  67extern struct platform_driver cdn_dp_driver;
  68extern struct platform_driver dw_hdmi_rockchip_pltfm_driver;
  69extern struct platform_driver dw_mipi_dsi_driver;
  70extern struct platform_driver inno_hdmi_driver;
  71extern struct platform_driver rockchip_dp_driver;
  72extern struct platform_driver vop_platform_driver;
  73#endif /* _ROCKCHIP_DRM_DRV_H_ */
  74