linux/include/video/pmagb-b-fb.h
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   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 */
  59
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