src/add-ons/accelerants/s3/trio64.h

   1 /*
   2         Haiku S3 Trio64 driver adapted from the X.org S3 driver.
   3
   4         Copyright 2001  Ani Joshi <ajoshi@unixbox.com>
   5
   6         Copyright 2008 Haiku, Inc.  All rights reserved.
   7         Distributed under the terms of the MIT license.
   8
   9         Authors:
  10         Gerald Zajac 2008
  11 */
  12
  13
  14 #ifndef __TRIO64_H__
  15 #define __TRIO64_H__
  16
  17
  18 // Note that the cursor normally needs only 1024 bytes; however, if 1024 bytes
  19 // are used, some of the Trio64 chips draw a short white horizontal line below
  20 // and to the right of the cursor.  Setting the number of bytes to 2048 solves
  21 // the problem.
  22
  23 #define CURSOR_BYTES    2048            // see comment above
  24
  25
  26 // Command Registers.
  27 #define ADVFUNC_CNTL    0x4ae8
  28 #define SUBSYS_STAT             0x42e8
  29 #define SUBSYS_CNTL             0x42e8
  30 #define CUR_Y                   0x82e8
  31 #define CUR_X                   0x86e8
  32 #define DESTY_AXSTP             0x8ae8
  33 #define DESTX_DIASTP    0x8ee8
  34 #define CUR_WIDTH               0x96e8
  35 #define CMD                             0x9ae8
  36 #define GP_STAT                 0x9ae8
  37 #define FRGD_COLOR              0xa6e8
  38 #define WRT_MASK                0xaae8
  39 #define FRGD_MIX                0xbae8
  40 #define MULTIFUNC_CNTL  0xbee8
  41
  42 // Command register bits.
  43 #define CMD_RECT                0x4000
  44 #define CMD_BITBLT              0xc000
  45 #define INC_Y                   0x0080
  46 #define INC_X                   0x0020
  47 #define DRAW                    0x0010
  48 #define WRTDATA                 0x0001
  49
  50 // Foreground mix register.
  51 #define FSS_FRGDCOL             0x0020
  52 #define FSS_BITBLT              0x0060
  53
  54 #define GP_BUSY                 0x0200
  55
  56 #define SCISSORS_T              0x1000
  57 #define SCISSORS_L              0x2000
  58 #define SCISSORS_B              0x3000
  59 #define SCISSORS_R              0x4000
  60
  61
  62 #endif // __TRIO64_H__