diff options
Diffstat (limited to 'include/video/adf_fbdev.h')
| -rw-r--r-- | include/video/adf_fbdev.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/include/video/adf_fbdev.h b/include/video/adf_fbdev.h new file mode 100644 index 000000000000..b722c6b3ab02 --- /dev/null +++ b/include/video/adf_fbdev.h @@ -0,0 +1,124 @@ +/* + * 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_ */ |