sys/dev/ic/bt485reg.h

   1 /* $NetBSD: bt485reg.h,v 1.1.48.1 2005/03/04 16:41:27 skrll Exp $ */
   2
   3 /*
   4  * Copyright (c) 1995, 1996 Carnegie-Mellon University.
   5  * All rights reserved.
   6  *
   7  * Author: Chris G. Demetriou
   8  *
   9  * Permission to use, copy, modify and distribute this software and
  10  * its documentation is hereby granted, provided that both the copyright
  11  * notice and this permission notice appear in all copies of the
  12  * software, derivative works or modified versions, and any portions
  13  * thereof, and that both notices appear in supporting documentation.
  14  *
  15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
  17  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  18  *
  19  * Carnegie Mellon requests users of this software to return to
  20  *
  21  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  22  *  School of Computer Science
  23  *  Carnegie Mellon University
  24  *  Pittsburgh PA 15213-3890
  25  *
  26  * any improvements or extensions that they make and grant Carnegie the
  27  * rights to redistribute these changes.
  28  */
  29
  30 /*
  31  * Register definitions for the Brooktree Bt485A 170MHz Monolithic
  32  * CMOS True-Color RAMDAC.
  33  */
  34
  35
  36 /*
  37  * Directly-addressed registers.
  38  */
  39 #define BT485_REG_PCRAM_WRADDR  0x00
  40 #define BT485_REG_PALETTE       0x01
  41 #define BT485_REG_PIXMASK       0x02
  42 #define BT485_REG_PCRAM_RDADDR  0x03
  43 #define BT485_REG_COC_WRADDR    0x04
  44 #define BT485_REG_COCDATA       0x05
  45 #define BT485_REG_COMMAND_0     0x06
  46 #define BT485_REG_COC_RDADDR    0x07
  47 #define BT485_REG_COMMAND_1     0x08
  48 #define BT485_REG_COMMAND_2     0x09
  49 #define BT485_REG_STATUS        0x0a
  50 #define BT485_REG_EXTENDED      BT485_REG_STATUS
  51 #define BT485_REG_CURSOR_RAM    0x0b
  52 #define BT485_REG_CURSOR_X_LOW  0x0c
  53 #define BT485_REG_CURSOR_X_HIGH 0x0d
  54 #define BT485_REG_CURSOR_Y_LOW  0x0e
  55 #define BT485_REG_CURSOR_Y_HIGH 0x0f
  56
  57 #define BT485_REG_MAX           0x0f
  58
  59 #define BT485_IREG_STATUS       0x00
  60 #define BT485_IREG_COMMAND_3    0x01
  61 #define BT485_IREG_COMMAND_4    0x02
  62 #define BT485_IREG_RSA          0x20
  63 #define BT485_IREG_GSA          0x21
  64 #define BT485_IREG_BSA          0x22