/*
 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 *
 * File: tpci.h
 *
 * Purpose: PCI routines
 *
 * Author: Tevin Chen
 *
 * Date: May 21, 1996
 *
 */


#ifndef __TPCI_H__
#define __TPCI_H__

#if !defined(__TTYPE_H__)
#include "ttype.h"
#endif


/*---------------------  Export Definitions -------------------------*/
#define MAX_PCI_BUS             4       // max. # of PCI bus that we support
#define MAX_PCI_DEVICE          32      // max. # of PCI devices


//
// Registers in the PCI configuration space
//
#define PCI_REG_VENDOR_ID       0x00    //
#define PCI_REG_DEVICE_ID       0x02    //
#define PCI_REG_COMMAND         0x04    //
#define PCI_REG_STATUS          0x06    //
#define PCI_REG_REV_ID          0x08    //
#define PCI_REG_CLASS_CODE      0x09    //
#define PCI_REG_CACHELINE_SIZE  0x0C    //
#define PCI_REG_LAT_TIMER       0x0D    //
#define PCI_REG_HDR_TYPE        0x0E    //
#define PCI_REG_BIST            0x0F    //

#define PCI_REG_BAR0            0x10    //
#define PCI_REG_BAR1            0x14    //
#define PCI_REG_BAR2            0x18    //
#define PCI_REG_CARDBUS_CIS_PTR 0x28    //

#define PCI_REG_SUB_VEN_ID      0x2C    //
#define PCI_REG_SUB_SYS_ID      0x2E    //
#define PCI_REG_EXP_ROM_BAR     0x30    //
#define PCI_REG_CAP             0x34    //

#define PCI_REG_INT_LINE        0x3C    //
#define PCI_REG_INT_PIN         0x3D    //
#define PCI_REG_MIN_GNT         0x3E    //
#define PCI_REG_MAX_LAT         0x3F    //

#define PCI_REG_MAX_SIZE        0x100   // maximun total PCI registers


//
// Bits in the COMMAND register
//
#define COMMAND_BUSM        0x04        //
#define COMMAND_WAIT        0x80        //

/*---------------------  Export Types  ------------------------------*/

/*---------------------  Export Macros ------------------------------*/

// macro MAKE Bus Dev Fun ID into WORD
#define MAKE_BDF_TO_WORD(byBusId, byDevId, byFunId) \
    MAKEWORD(                                       \
        ((((BYTE)(byDevId)) & 0x1F) << 3) +         \
            (((BYTE)(byFunId)) & 0x07),             \
        (byBusId)                                   \
        )

#define GET_BUSID(wBusDevFunId) \
    HIBYTE(wBusDevFunId)

#define GET_DEVID(wBusDevFunId) \
    (LOBYTE(wBusDevFunId) >> 3)

#define GET_FUNID(wBusDevFunId) \
    (LOBYTE(wBusDevFunId) & 0x07)


/*---------------------  Export Classes  ----------------------------*/

/*---------------------  Export Variables  --------------------------*/

/*---------------------  Export Functions  --------------------------*/


#endif // __TPCI_H__