include/video/pmagb-b-fb.h

   1 /*
   2  *      linux/include/video/pmagb-b-fb.h
   3  *
   4  *      TURBOchannel PMAGB-B Smart Frame Buffer (SFB) card support,
   5  *      Copyright (C) 1999, 2000, 2001 by
   6  *      Michael Engel <engel@unix-ag.org> and
   7  *      Karsten Merker <merker@linuxtag.org>
   8  *      Copyright (c) 2005  Maciej W. Rozycki
   9  *
  10  *      This file is subject to the terms and conditions of the GNU General
  11  *      Public License.  See the file COPYING in the main directory of this
  12  *      archive for more details.
  13  */
  14
  15 /* IOmem resource offsets.  */
  16 #define PMAGB_B_ROM             0x000000        /* REX option ROM */
  17 #define PMAGB_B_SFB             0x100000        /* SFB ASIC */
  18 #define PMAGB_B_GP0             0x140000        /* general purpose output 0 */
  19 #define PMAGB_B_GP1             0x180000        /* general purpose output 1 */
  20 #define PMAGB_B_BT459           0x1c0000        /* Bt459 RAMDAC */
  21 #define PMAGB_B_FBMEM           0x200000        /* frame buffer */
  22 #define PMAGB_B_SIZE            0x400000        /* address space size */
  23
  24 /* IOmem register offsets.  */
  25 #define SFB_REG_VID_HOR         0x64            /* video horizontal setup */
  26 #define SFB_REG_VID_VER         0x68            /* video vertical setup */
  27 #define SFB_REG_VID_BASE        0x6c            /* video base address */
  28 #define SFB_REG_TCCLK_COUNT     0x78            /* TURBOchannel clock count */
  29 #define SFB_REG_VIDCLK_COUNT    0x7c            /* video clock count */
  30
  31 /* Video horizontal setup register constants.  All bits are r/w.  */
  32 #define SFB_VID_HOR_BP_SHIFT    0x15            /* back porch */
  33 #define SFB_VID_HOR_BP_MASK     0x7f
  34 #define SFB_VID_HOR_SYN_SHIFT   0x0e            /* sync pulse */
  35 #define SFB_VID_HOR_SYN_MASK    0x7f
  36 #define SFB_VID_HOR_FP_SHIFT    0x09            /* front porch */
  37 #define SFB_VID_HOR_FP_MASK     0x1f
  38 #define SFB_VID_HOR_PIX_SHIFT   0x00            /* active video */
  39 #define SFB_VID_HOR_PIX_MASK    0x1ff
  40
  41 /* Video vertical setup register constants.  All bits are r/w.  */
  42 #define SFB_VID_VER_BP_SHIFT    0x16            /* back porch */
  43 #define SFB_VID_VER_BP_MASK     0x3f
  44 #define SFB_VID_VER_SYN_SHIFT   0x10            /* sync pulse */
  45 #define SFB_VID_VER_SYN_MASK    0x3f
  46 #define SFB_VID_VER_FP_SHIFT    0x0b            /* front porch */
  47 #define SFB_VID_VER_FP_MASK     0x1f
  48 #define SFB_VID_VER_SL_SHIFT    0x00            /* active scan lines */
  49 #define SFB_VID_VER_SL_MASK     0x7ff
  50
  51 /* Video base address register constants.  All bits are r/w.  */
  52 #define SFB_VID_BASE_MASK       0x1ff           /* video base row address */
  53
  54 /* Bt459 register offsets, byte-wide registers.  */
  55 #define BT459_ADDR_LO           0x0             /* address low */
  56 #define BT459_ADDR_HI           0x4             /* address high */
  57 #define BT459_DATA              0x8             /* data window register */
  58 #define BT459_CMAP              0xc             /* color map window register */