include/video/pmagb-b-fb.h

   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 */