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/* SPDX-License-Identifier: GPL-2.0-or-later */
/* Hisilicon Hibmc SoC drm driver
*
* Based on the bochs drm driver.
*
* Copyright (c) 2016 Huawei Limited.
*
* Author:
* Rongrong Zou <zourongrong@huawei.com>
* Rongrong Zou <zourongrong@gmail.com>
* Jianhua Li <lijianhua@huawei.com>
*/
#ifndef HIBMC_DRM_DRV_H
#define HIBMC_DRM_DRV_H
#include <drm/drm_fb_helper.h>
#include <drm/drm_framebuffer.h>
struct drm_device;
struct drm_gem_object;
struct hibmc_framebuffer {
struct drm_framebuffer fb;
struct drm_gem_object *obj;
};
struct hibmc_fbdev {
struct drm_fb_helper helper; /* must be first */
struct hibmc_framebuffer *fb;
int size;
};
struct hibmc_drm_private {
/* hw */
void __iomem *mmio;
void __iomem *fb_map;
unsigned long fb_base;
unsigned long fb_size;
bool msi_enabled;
/* drm */
struct drm_device *dev;
bool mode_config_initialized;
/* fbdev */
struct hibmc_fbdev *fbdev;
};
#define to_hibmc_framebuffer(x) container_of(x, struct hibmc_framebuffer, fb)
void hibmc_set_power_mode(struct hibmc_drm_private *priv,
unsigned int power_mode);
void hibmc_set_current_gate(struct hibmc_drm_private *priv,
unsigned int gate);
int hibmc_de_init(struct hibmc_drm_private *priv);
int hibmc_vdac_init(struct hibmc_drm_private *priv);
int hibmc_fbdev_init(struct hibmc_drm_private *priv);
void hibmc_fbdev_fini(struct hibmc_drm_private *priv);
int hibmc_gem_create(struct drm_device *dev, u32 size, bool iskernel,
struct drm_gem_object **obj);
struct hibmc_framebuffer *
hibmc_framebuffer_init(struct drm_device *dev,
const struct drm_mode_fb_cmd2 *mode_cmd,
struct drm_gem_object *obj);
int hibmc_mm_init(struct hibmc_drm_private *hibmc);
void hibmc_mm_fini(struct hibmc_drm_private *hibmc);
int hibmc_dumb_create(struct drm_file *file, struct drm_device *dev,
struct drm_mode_create_dumb *args);
extern const struct drm_mode_config_funcs hibmc_mode_funcs;
#endif
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