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// license:BSD-3-Clause
// copyright-holders:smf
/***************************************************************************
ataintf.h
ATA Interface implementation.
***************************************************************************/
#pragma once
#ifndef __ATAINTF_H__
#define __ATAINTF_H__
#include "atadev.h"
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
// ======================> ata_slot_device
class ata_slot_device : public device_t,
public device_slot_interface
{
public:
// construction/destruction
ata_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
ata_device_interface *dev() { return m_dev; }
protected:
// device-level overrides
virtual void device_start();
virtual void device_config_complete();
private:
ata_device_interface *m_dev;
};
// device type definition
extern const device_type ATA_SLOT;
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
#define MCFG_ATA_INTERFACE_IRQ_HANDLER(_devcb) \
devcb = &ata_interface_device::set_irq_handler(*device, DEVCB_##_devcb);
#define MCFG_ATA_INTERFACE_DMARQ_HANDLER(_devcb) \
devcb = &ata_interface_device::set_dmarq_handler(*device, DEVCB_##_devcb);
#define MCFG_ATA_INTERFACE_DASP_HANDLER(_devcb) \
devcb = &ata_interface_device::set_dasp_handler(*device, DEVCB_##_devcb);
SLOT_INTERFACE_EXTERN(ata_devices);
/***************************************************************************
DEVICE CONFIGURATION MACROS
***************************************************************************/
#define MCFG_ATA_INTERFACE_ADD(_tag, _slot_intf, _master, _slave, _fixed) \
MCFG_DEVICE_ADD(_tag, ATA_INTERFACE, 0) \
MCFG_DEVICE_MODIFY(_tag ":0") \
MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _master, _fixed) \
MCFG_DEVICE_MODIFY(_tag ":1") \
MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _slave, _fixed) \
MCFG_DEVICE_MODIFY(_tag)
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
/* ----- device interface ----- */
class ata_interface_device : public device_t
{
public:
ata_interface_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
ata_interface_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
// static configuration helpers
template<class _Object> static devcb_base &set_irq_handler(device_t &device, _Object object) { return downcast<ata_interface_device &>(device).m_irq_handler.set_callback(object); }
template<class _Object> static devcb_base &set_dmarq_handler(device_t &device, _Object object) { return downcast<ata_interface_device &>(device).m_dmarq_handler.set_callback(object); }
template<class _Object> static devcb_base &set_dasp_handler(device_t &device, _Object object) { return downcast<ata_interface_device &>(device).m_dasp_handler.set_callback(object); }
UINT16 read_dma();
virtual DECLARE_READ16_MEMBER(read_cs0);
virtual DECLARE_READ16_MEMBER(read_cs1);
void write_dma(UINT16 data);
virtual DECLARE_WRITE16_MEMBER(write_cs0);
virtual DECLARE_WRITE16_MEMBER(write_cs1);
DECLARE_WRITE_LINE_MEMBER(write_dmack);
protected:
// device-level overrides
virtual void device_start();
virtual machine_config_constructor device_mconfig_additions() const;
virtual void set_irq(int state);
virtual void set_dmarq(int state);
virtual void set_dasp(int state);
private:
DECLARE_WRITE_LINE_MEMBER(irq0_write_line);
DECLARE_WRITE_LINE_MEMBER(dmarq0_write_line);
DECLARE_WRITE_LINE_MEMBER(dasp0_write_line);
DECLARE_WRITE_LINE_MEMBER(pdiag0_write_line);
DECLARE_WRITE_LINE_MEMBER(irq1_write_line);
DECLARE_WRITE_LINE_MEMBER(dmarq1_write_line);
DECLARE_WRITE_LINE_MEMBER(dasp1_write_line);
DECLARE_WRITE_LINE_MEMBER(pdiag1_write_line);
ata_slot_device *m_slot[2];
int m_irq[2];
int m_dmarq[2];
int m_dasp[2];
int m_pdiag[2];
devcb_write_line m_irq_handler;
devcb_write_line m_dmarq_handler;
devcb_write_line m_dasp_handler;
};
extern const device_type ATA_INTERFACE;
#endif /* __ATAINTF_H__ */
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