1 /* 2 * linux/drivers/video/pmagb-b-fb.h 3 * 4 * TurboChannel PMAGB-B framebuffer card support, 5 * Copyright (C) 1999, 2000, 2001 by 6 * Michael Engel <engel@unix-ag.org> and 7 * Karsten Merker <merker@linuxtag.org> 8 * This file is subject to the terms and conditions of the GNU General 9 * Public License. See the file COPYING in the main directory of this 10 * archive for more details. 11 */ 12 13 14 /* 15 * Bt459 RAM DAC register base offset (rel. to TC slot base address) 16 */ 17 #define PMAGB_B_BT459_OFFSET 0x001C0000 18 19 /* 20 * Begin of PMAGB-B framebuffer memory, resolution is configurable: 21 * 1024x864x8 or 1280x1024x8, settable by jumper on the card 22 */ 23 #define PMAGB_B_ONBOARD_FBMEM_OFFSET 0x00201000 24 25 /* 26 * Bt459 register offsets, byte-wide registers 27 */ 28 29 #define BT459_ADR_LOW BT459_OFFSET + 0x00 /* addr. low */ 30 #define BT459_ADR_HIGH BT459_OFFSET + 0x04 /* addr. high */ 31 #define BT459_DATA BT459_OFFSET + 0x08 /* r/w data */ 32 #define BT459_CMAP BT459_OFFSET + 0x0C /* color map */ 33