linux/drivers/isdn/hysdn/boardergo.h
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   1/* $Id: boardergo.h,v 1.2.6.1 2001/09/23 22:24:54 kai Exp $
   2 *
   3 * Linux driver for HYSDN cards, definitions for ergo type boards (buffers..).
   4 *
   5 * Author    Werner Cornelius (werner@titro.de) for Hypercope GmbH
   6 * Copyright 1999 by Werner Cornelius (werner@titro.de)
   7 *
   8 * This software may be used and distributed according to the terms
   9 * of the GNU General Public License, incorporated herein by reference.
  10 *
  11 */
  12
  13
  14/************************************************/
  15/* defines for the dual port memory of the card */
  16/************************************************/
  17#define ERG_DPRAM_PAGE_SIZE 0x2000      /* DPRAM occupies a 8K page */
  18#define BOOT_IMG_SIZE 4096
  19#define ERG_DPRAM_FILL_SIZE (ERG_DPRAM_PAGE_SIZE - BOOT_IMG_SIZE)
  20
  21#define ERG_TO_HY_BUF_SIZE  0x0E00      /* 3072 bytes buffer size to card */
  22#define ERG_TO_PC_BUF_SIZE  0x0E00      /* 3072 bytes to PC, too */
  23
  24/* following DPRAM layout copied from OS2-driver boarderg.h */
  25typedef struct ErgDpram_tag {
  26/*0000 */ unsigned char ToHyBuf[ERG_TO_HY_BUF_SIZE];
  27/*0E00 */ unsigned char ToPcBuf[ERG_TO_PC_BUF_SIZE];
  28
  29        /*1C00 */ unsigned char bSoftUart[SIZE_RSV_SOFT_UART];
  30        /* size 0x1B0 */
  31
  32        /*1DB0 *//* tErrLogEntry */ unsigned char volatile ErrLogMsg[64];
  33        /* size 64 bytes */
  34        /*1DB0  unsigned long ulErrType;               */
  35        /*1DB4  unsigned long ulErrSubtype;            */
  36        /*1DB8  unsigned long ucTextSize;              */
  37        /*1DB9  unsigned long ucText[ERRLOG_TEXT_SIZE]; *//* ASCIIZ of len ucTextSize-1 */
  38        /*1DF0 */
  39
  40/*1DF0 */ unsigned short volatile ToHyChannel;
  41/*1DF2 */ unsigned short volatile ToHySize;
  42        /*1DF4 */ unsigned char volatile ToHyFlag;
  43        /* !=0: msg for Hy waiting */
  44        /*1DF5 */ unsigned char volatile ToPcFlag;
  45        /* !=0: msg for PC waiting */
  46/*1DF6 */ unsigned short volatile ToPcChannel;
  47/*1DF8 */ unsigned short volatile ToPcSize;
  48        /*1DFA */ unsigned char bRes1DBA[0x1E00 - 0x1DFA];
  49        /* 6 bytes */
  50
  51/*1E00 */ unsigned char bRestOfEntryTbl[0x1F00 - 0x1E00];
  52/*1F00 */ unsigned long TrapTable[62];
  53        /*1FF8 */ unsigned char bRes1FF8[0x1FFB - 0x1FF8];
  54        /* low part of reset vetor */
  55/*1FFB */ unsigned char ToPcIntMetro;
  56        /* notes:
  57         * - metro has 32-bit boot ram - accessing
  58         *   ToPcInt and ToHyInt would be the same;
  59         *   so we moved ToPcInt to 1FFB.
  60         *   Because on the PC side both vars are
  61         *   readonly (reseting on int from E1 to PC),
  62         *   we can read both vars on both cards
  63         *   without destroying anything.
  64         * - 1FFB is the high byte of the reset vector,
  65         *   so E1 side should NOT change this byte
  66         *   when writing!
  67         */
  68/*1FFC */ unsigned char volatile ToHyNoDpramErrLog;
  69        /* note: ToHyNoDpramErrLog is used to inform
  70         *       boot loader, not to use DPRAM based
  71         *       ErrLog; when DOS driver is rewritten
  72         *       this becomes obsolete
  73         */
  74/*1FFD */ unsigned char bRes1FFD;
  75        /*1FFE */ unsigned char ToPcInt;
  76        /* E1_intclear; on CHAMP2: E1_intset   */
  77        /*1FFF */ unsigned char ToHyInt;
  78        /* E1_intset;   on CHAMP2: E1_intclear */
  79} tErgDpram;
  80
  81/**********************************************/
  82/* PCI9050 controller local register offsets: */
  83/* copied from boarderg.c                     */
  84/**********************************************/
  85#define PCI9050_INTR_REG    0x4C        /* Interrupt register */
  86#define PCI9050_USER_IO     0x51        /* User I/O  register */
  87
  88                                    /* bitmask for PCI9050_INTR_REG: */
  89#define PCI9050_INTR_REG_EN1    0x01    /* 1= enable (def.), 0= disable */
  90#define PCI9050_INTR_REG_POL1   0x02    /* 1= active high (def.), 0= active low */
  91#define PCI9050_INTR_REG_STAT1  0x04    /* 1= intr. active, 0= intr. not active (def.) */
  92#define PCI9050_INTR_REG_ENPCI  0x40    /* 1= PCI interrupts enable (def.) */
  93
  94                                    /* bitmask for PCI9050_USER_IO: */
  95#define PCI9050_USER_IO_EN3     0x02    /* 1= disable      , 0= enable (def.) */
  96#define PCI9050_USER_IO_DIR3    0x04    /* 1= output (def.), 0= input         */
  97#define PCI9050_USER_IO_DAT3    0x08    /* 1= high (def.)  , 0= low           */
  98
  99#define PCI9050_E1_RESET    (                     PCI9050_USER_IO_DIR3)         /* 0x04 */
 100#define PCI9050_E1_RUN      (PCI9050_USER_IO_DAT3|PCI9050_USER_IO_DIR3)         /* 0x0C */
 101