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diff --git a/include/video/pmagb-b-fb.h b/include/video/pmagb-b-fb.h
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+/*
+ * linux/drivers/video/pmagb-b-fb.h
+ *
+ * TurboChannel PMAGB-B framebuffer card support,
+ * Copyright (C) 1999, 2000, 2001 by
+ * Michael Engel <engel@unix-ag.org> and
+ * Karsten Merker <merker@linuxtag.org>
+ * 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.
+ */
+
+
+/*
+ * Bt459 RAM DAC register base offset (rel. to TC slot base address)
+ */
+#define PMAGB_B_BT459_OFFSET 0x001C0000
+
+/*
+ * Begin of PMAGB-B framebuffer memory, resolution is configurable:
+ * 1024x864x8 or 1280x1024x8, settable by jumper on the card
+ */
+#define PMAGB_B_ONBOARD_FBMEM_OFFSET 0x00201000
+
+/*
+ * Bt459 register offsets, byte-wide registers
+ */
+
+#define BT459_ADR_LOW BT459_OFFSET + 0x00 /* addr. low */
+#define BT459_ADR_HIGH BT459_OFFSET + 0x04 /* addr. high */
+#define BT459_DATA BT459_OFFSET + 0x08 /* r/w data */
+#define BT459_CMAP BT459_OFFSET + 0x0C /* color map */