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-rw-r--r--include/asm-mips/gfx.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/include/asm-mips/gfx.h b/include/asm-mips/gfx.h
new file mode 100644
index 0000000..37235e4
--- /dev/null
+++ b/include/asm-mips/gfx.h
@@ -0,0 +1,55 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * This is the user-visible SGI GFX interface.
+ *
+ * This must be used verbatim into the GNU libc. It does not include
+ * any kernel-only bits on it.
+ *
+ * miguel@nuclecu.unam.mx
+ */
+#ifndef _ASM_GFX_H
+#define _ASM_GFX_H
+
+/* The iocls, yes, they do not make sense, but such is life */
+#define GFX_BASE 100
+#define GFX_GETNUM_BOARDS (GFX_BASE + 1)
+#define GFX_GETBOARD_INFO (GFX_BASE + 2)
+#define GFX_ATTACH_BOARD (GFX_BASE + 3)
+#define GFX_DETACH_BOARD (GFX_BASE + 4)
+#define GFX_IS_MANAGED (GFX_BASE + 5)
+
+#define GFX_MAPALL (GFX_BASE + 10)
+#define GFX_LABEL (GFX_BASE + 11)
+
+#define GFX_INFO_NAME_SIZE 16
+#define GFX_INFO_LABEL_SIZE 16
+
+struct gfx_info {
+ char name [GFX_INFO_NAME_SIZE]; /* board name */
+ char label [GFX_INFO_LABEL_SIZE]; /* label name */
+ unsigned short int xpmax, ypmax; /* screen resolution */
+ unsigned int lenght; /* size of a complete gfx_info for this board */
+};
+
+struct gfx_getboardinfo_args {
+ unsigned int board; /* board number. starting from zero */
+ void *buf; /* pointer to gfx_info */
+ unsigned int len; /* buffer size of buf */
+};
+
+struct gfx_attach_board_args {
+ unsigned int board; /* board number, starting from zero */
+ void *vaddr; /* address where the board registers should be mapped */
+};
+
+#ifdef __KERNEL__
+/* umap.c */
+extern void remove_mapping (struct vm_area_struct *vma, struct task_struct *, unsigned long, unsigned long);
+extern void *vmalloc_uncached (unsigned long size);
+extern int vmap_page_range (struct vm_area_struct *vma, unsigned long from, unsigned long size, unsigned long vaddr);
+#endif
+
+#endif /* _ASM_GFX_H */
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