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// license:BSD-3-Clause
// copyright-holders:smf
/***************************************************************************
vt83c461.h
VIA VT83C461 (IDE Hard Drive controller).
***************************************************************************/
#ifndef MAME_MACHINE_VT83C461_H
#define MAME_MACHINE_VT83C461_H
#pragma once
#include "idectrl.h"
/***************************************************************************
DEVICE CONFIGURATION MACROS
***************************************************************************/
#define MCFG_VT83C461_ADD(_tag, _slot_intf, _master, _slave, _fixed) \
MCFG_DEVICE_ADD(_tag, VT83C461, 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)
class vt83c461_device : public ide_controller_32_device
{
public:
vt83c461_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
uint32_t read_config(offs_t offset);
void write_config(offs_t offset, uint32_t data);
DECLARE_READ32_MEMBER(config_r) { return read_config(offset); }
DECLARE_WRITE32_MEMBER(config_w) { write_config(offset, data); }
protected:
virtual void device_start() override;
private:
static constexpr unsigned IDE_CONFIG_REGISTERS= 0x10;
uint8_t m_config_unknown;
uint8_t m_config_register[IDE_CONFIG_REGISTERS];
uint8_t m_config_register_num;
};
DECLARE_DEVICE_TYPE(VT83C461, vt83c461_device)
#endif // MAME_MACHINE_VT83C461_H
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