//----------------------------------------------------------------------------//
//                           GNU GPL OS/K                                     //
//                                                                            //
//  Desc:      PCI driver                                                     //
//                                                                            //
//                                                                            //
//  Copyright © 2018-2020 The OS/K Team                                       //
//                                                                            //
//  This file is part of OS/K.                                                //
//                                                                            //
//  OS/K 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 3 of the License, or         //
//  any later version.                                                        //
//                                                                            //
//  OS/K 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 OS/K.  If not, see <https://www.gnu.org/licenses/>.            //
//----------------------------------------------------------------------------//


#ifndef _KERNEL_H
#include <kernel.h>
#endif



#ifndef _IO_PCI_H
#define _IO_PCI_H

//
// Device registers offsets
//
#define PCI_REG_VENDOR      0
#define PCI_REG_DEVICE      2
#define PCI_REG_COMMAND     4
#define PCI_REG_STATUS      6
//..
#define PCI_REG_BAR0        0x10
#define PCI_REG_BAR1        0x14
//..


//----------------------------------------------------------------------------//


typedef struct {
    ushort vendorID;
    ushort deviceID;
    void* configAddr;
} pciDev_t;


//----------------------------------------------------------------------------//

void IoInitPCI();
void IoPciEnumerate();
pciDev_t *IoPciGetDevice(ushort vendorID, ushort deviceID);


#endif