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/*
* Copyright (C) 2013 Google, Inc.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef _VIDEO_ADF_FBDEV_H_
#define _VIDEO_ADF_FBDEV_H_
#include <linux/fb.h>
#include <linux/mutex.h>
#include <video/adf.h>
struct adf_fbdev {
struct adf_interface *intf;
struct adf_overlay_engine *eng;
struct fb_info *info;
u32 pseudo_palette[16];
unsigned int refcount;
struct mutex refcount_lock;
struct dma_buf *dma_buf;
u32 offset;
u32 pitch;
void *vaddr;
u32 format;
u16 default_xres_virtual;
u16 default_yres_virtual;
u32 default_format;
};
#if IS_ENABLED(CONFIG_ADF_FBDEV)
void adf_modeinfo_to_fb_videomode(const struct drm_mode_modeinfo *mode,
struct fb_videomode *vmode);
void adf_modeinfo_from_fb_videomode(const struct fb_videomode *vmode,
struct drm_mode_modeinfo *mode);
int adf_fbdev_init(struct adf_fbdev *fbdev, struct adf_interface *interface,
struct adf_overlay_engine *eng,
u16 xres_virtual, u16 yres_virtual, u32 format,
struct fb_ops *fbops, const char *fmt, ...);
void adf_fbdev_destroy(struct adf_fbdev *fbdev);
int adf_fbdev_open(struct fb_info *info, int user);
int adf_fbdev_release(struct fb_info *info, int user);
int adf_fbdev_check_var(struct fb_var_screeninfo *var, struct fb_info *info);
int adf_fbdev_set_par(struct fb_info *info);
int adf_fbdev_blank(int blank, struct fb_info *info);
int adf_fbdev_pan_display(struct fb_var_screeninfo *var, struct fb_info *info);
int adf_fbdev_mmap(struct fb_info *info, struct vm_area_struct *vma);
#else
static inline void adf_modeinfo_to_fb_videomode(const struct drm_mode_modeinfo *mode,
struct fb_videomode *vmode)
{
WARN_ONCE(1, "%s: CONFIG_ADF_FBDEV is disabled\n", __func__);
}
static inline void adf_modeinfo_from_fb_videomode(const struct fb_videomode *vmode,
struct drm_mode_modeinfo *mode)
{
WARN_ONCE(1, "%s: CONFIG_ADF_FBDEV is disabled\n", __func__);
}
static inline int adf_fbdev_init(struct adf_fbdev *fbdev,
struct adf_interface *interface,
struct adf_overlay_engine *eng,
u16 xres_virtual, u16 yres_virtual, u32 format,
struct fb_ops *fbops, const char *fmt, ...)
{
return -ENODEV;
}
static inline void adf_fbdev_destroy(struct adf_fbdev *fbdev) { }
static inline int adf_fbdev_open(struct fb_info *info, int user)
{
return -ENODEV;
}
static inline int adf_fbdev_release(struct fb_info *info, int user)
{
return -ENODEV;
}
static inline int adf_fbdev_check_var(struct fb_var_screeninfo *var,
struct fb_info *info)
{
return -ENODEV;
}
static inline int adf_fbdev_set_par(struct fb_info *info)
{
return -ENODEV;
}
static inline int adf_fbdev_blank(int blank, struct fb_info *info)
{
return -ENODEV;
}
static inline int adf_fbdev_pan_display(struct fb_var_screeninfo *var,
struct fb_info *info)
{
return -ENODEV;
}
static inline int adf_fbdev_mmap(struct fb_info *info,
struct vm_area_struct *vma)
{
return -ENODEV;
}
#endif
#endif /* _VIDEO_ADF_FBDEV_H_ */
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