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Diffstat (limited to 'drivers/video/fbdev/sbuslib.h')
-rw-r--r--drivers/video/fbdev/sbuslib.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/video/fbdev/sbuslib.h b/drivers/video/fbdev/sbuslib.h
new file mode 100644
index 000000000..a6b9a2467
--- /dev/null
+++ b/drivers/video/fbdev/sbuslib.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* sbuslib.h: SBUS fb helper library interfaces */
+#ifndef _SBUSLIB_H
+#define _SBUSLIB_H
+
+struct sbus_mmap_map {
+ unsigned long voff;
+ unsigned long poff;
+ unsigned long size;
+};
+
+#define SBUS_MMAP_FBSIZE(n) (-n)
+#define SBUS_MMAP_EMPTY 0x80000000
+
+extern void sbusfb_fill_var(struct fb_var_screeninfo *var,
+ struct device_node *dp, int bpp);
+struct vm_area_struct;
+extern int sbusfb_mmap_helper(struct sbus_mmap_map *map,
+ unsigned long physbase, unsigned long fbsize,
+ unsigned long iospace,
+ struct vm_area_struct *vma);
+int sbusfb_ioctl_helper(unsigned long cmd, unsigned long arg,
+ struct fb_info *info,
+ int type, int fb_depth, unsigned long fb_size);
+int sbusfb_compat_ioctl(struct fb_info *info, unsigned int cmd,
+ unsigned long arg);
+
+#endif /* _SBUSLIB_H */