summaryrefslogblamecommitdiffstatshomepage
path: root/src/devices/machine/atadev.h
blob: 8115a6e4dc1c742189ba0ffc154246030ba643a6 (plain) (tree)
1
2
3
4
5
6
7
8
                       
                        





                                                                            






                                                                            








                                                                              
                                        


                                                    
                                                  




                                                           
                                                           
 



                                         


      
// license:BSD-3-Clause
// copyright-holders:smf
/***************************************************************************

    atadev.h

    ATA Device implementation.

***************************************************************************/

#pragma once

#ifndef __ATADEV_H__
#define __ATADEV_H__


// ======================> ata_device_interface

class ata_device_interface
{
public:
	ata_device_interface(const machine_config &mconfig, device_t &device);
	virtual ~ata_device_interface() {}

	virtual uint16_t read_dma() = 0;
	virtual DECLARE_READ16_MEMBER(read_cs0) = 0;
	virtual DECLARE_READ16_MEMBER(read_cs1) = 0;

	virtual void write_dma(uint16_t data) = 0;
	virtual DECLARE_WRITE16_MEMBER(write_cs0) = 0;
	virtual DECLARE_WRITE16_MEMBER(write_cs1) = 0;
	virtual DECLARE_WRITE_LINE_MEMBER(write_dmack) = 0;
	virtual DECLARE_WRITE_LINE_MEMBER(write_csel) = 0;
	virtual DECLARE_WRITE_LINE_MEMBER(write_dasp) = 0;
	virtual DECLARE_WRITE_LINE_MEMBER(write_pdiag) = 0;

	devcb_write_line m_irq_handler;
	devcb_write_line m_dmarq_handler;
	devcb_write_line m_dasp_handler;
	devcb_write_line m_pdiag_handler;
};

#endif