LXR linux/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/* Hisilicon Hibmc SoC drm driver
   3 *
   4 * Based on the bochs drm driver.
   5 *
   6 * Copyright (c) 2016 Huawei Limited.
   7 *
   8 * Author:
   9 *      Rongrong Zou <zourongrong@huawei.com>
  10 *      Rongrong Zou <zourongrong@gmail.com>
  11 *      Jianhua Li <lijianhua@huawei.com>
  12 */
  13
  14#ifndef HIBMC_DRM_DRV_H
  15#define HIBMC_DRM_DRV_H
  16
  17#include <linux/gpio/consumer.h>
  18#include <linux/i2c-algo-bit.h>
  19#include <linux/i2c.h>
  20
  21#include <drm/drm_edid.h>
  22#include <drm/drm_fb_helper.h>
  23#include <drm/drm_framebuffer.h>
  24
  25struct hibmc_connector {
  26        struct drm_connector base;
  27
  28        struct i2c_adapter adapter;
  29        struct i2c_algo_bit_data bit_data;
  30};
  31
  32struct hibmc_drm_private {
  33        /* hw */
  34        void __iomem   *mmio;
  35        void __iomem   *fb_map;
  36        resource_size_t  fb_base;
  37        resource_size_t  fb_size;
  38
  39        /* drm */
  40        struct drm_device dev;
  41        struct drm_plane primary_plane;
  42        struct drm_crtc crtc;
  43        struct drm_encoder encoder;
  44        struct hibmc_connector connector;
  45};
  46
  47static inline struct hibmc_connector *to_hibmc_connector(struct drm_connector *connector)
  48{
  49        return container_of(connector, struct hibmc_connector, base);
  50}
  51
  52static inline struct hibmc_drm_private *to_hibmc_drm_private(struct drm_device *dev)
  53{
  54        return container_of(dev, struct hibmc_drm_private, dev);
  55}
  56
  57void hibmc_set_power_mode(struct hibmc_drm_private *priv,
  58                          u32 power_mode);
  59void hibmc_set_current_gate(struct hibmc_drm_private *priv,
  60                            u32 gate);
  61
  62int hibmc_de_init(struct hibmc_drm_private *priv);
  63int hibmc_vdac_init(struct hibmc_drm_private *priv);
  64
  65int hibmc_mm_init(struct hibmc_drm_private *hibmc);
  66int hibmc_ddc_create(struct drm_device *drm_dev, struct hibmc_connector *connector);
  67
  68#endif
  69