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-rw-r--r--arch/x86/boot/vesa.h72
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diff --git a/arch/x86/boot/vesa.h b/arch/x86/boot/vesa.h
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+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 1999-2007 H. Peter Anvin - All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, Inc., 53 Temple Place Ste 330,
+ * Boston MA 02111-1307, USA; either version 2 of the License, or
+ * (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+#ifndef BOOT_VESA_H
+#define BOOT_VESA_H
+
+typedef struct {
+ u16 off, seg;
+} far_ptr;
+
+/* VESA General Information table */
+struct vesa_general_info {
+ u32 signature; /* 0 Magic number = "VESA" */
+ u16 version; /* 4 */
+ far_ptr vendor_string; /* 6 */
+ u32 capabilities; /* 10 */
+ far_ptr video_mode_ptr; /* 14 */
+ u16 total_memory; /* 18 */
+
+ u8 reserved[236]; /* 20 */
+} __attribute__ ((packed));
+
+#define VESA_MAGIC ('V' + ('E' << 8) + ('S' << 16) + ('A' << 24))
+
+struct vesa_mode_info {
+ u16 mode_attr; /* 0 */
+ u8 win_attr[2]; /* 2 */
+ u16 win_grain; /* 4 */
+ u16 win_size; /* 6 */
+ u16 win_seg[2]; /* 8 */
+ far_ptr win_scheme; /* 12 */
+ u16 logical_scan; /* 16 */
+
+ u16 h_res; /* 18 */
+ u16 v_res; /* 20 */
+ u8 char_width; /* 22 */
+ u8 char_height; /* 23 */
+ u8 memory_planes; /* 24 */
+ u8 bpp; /* 25 */
+ u8 banks; /* 26 */
+ u8 memory_layout; /* 27 */
+ u8 bank_size; /* 28 */
+ u8 image_planes; /* 29 */
+ u8 page_function; /* 30 */
+
+ u8 rmask; /* 31 */
+ u8 rpos; /* 32 */
+ u8 gmask; /* 33 */
+ u8 gpos; /* 34 */
+ u8 bmask; /* 35 */
+ u8 bpos; /* 36 */
+ u8 resv_mask; /* 37 */
+ u8 resv_pos; /* 38 */
+ u8 dcm_info; /* 39 */
+
+ u32 lfb_ptr; /* 40 Linear frame buffer address */
+ u32 offscreen_ptr; /* 44 Offscreen memory address */
+ u16 offscreen_size; /* 48 */
+
+ u8 reserved[206]; /* 50 */
+} __attribute__ ((packed));
+
+#endif /* LIB_SYS_VESA_H */