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// license:BSD-3-Clause
// copyright-holders: Samuele Zannoli
#ifndef MAME_MACHINE_NFORCEPC_H
#define MAME_MACHINE_NFORCEPC_H

#pragma once
// floppy disk controller
#include "machine/upd765.h"
#include "imagedev/floppy.h"
#include "formats/pc_dsk.h"
#include "formats/naslite_dsk.h"
// keyboard
#include "machine/8042kbdc.h"
// parallel port
#include "machine/pc_lpt.h"
// serial port
#include "machine/ins8250.h"

// NVIDIA Corporation nForce CPU bridge

class crush11_host_device : public pci_host_device {
public:
	template <typename T>
	crush11_host_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock, T &&cpu_tag, const char *bios_device_tag)
		: crush11_host_device(mconfig, tag, owner, clock)
	{
		set_ids_host(0x10de01a4, 0x01, 0x10430c11);
		set_cpu_tag(std::forward<T>(cpu_tag));
		biosrom.set_tag(bios_device_tag);
	}
	crush11_host_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);

	template <typename T> void set_cpu_tag(T &&tag) { cpu.set_tag(std::forward<T>(tag)); }
	const char *get_cpu_tag() { return cpu.finder_tag(); }
	void set_ram_size(uint32_t size) { ram_size = size; }
	address_space *get_cpu_space(int spacenum) { return &cpu->space(spacenum); }

	void bios_map(address_map &map);

protected:
	virtual void device_start() override;
	virtual void device_reset() override;

	virtual void reset_all_mappings() override;

	virtual void map_extra(uint64_t memory_window_start, uint64_t memory_window_end, uint64_t memory_offset, address_space *memory_space,
		uint64_t io_window_start, uint64_t io_window_end, uint64_t io_offset, address_space *io_space) override;

	virtual void config_map(address_map &map) override;

private:
	required_device<device_memory_interface> cpu;
	required_device<intelfsh8_device> biosrom;
	uint32_t ram_size;

	virtual DECLARE_READ8_MEMBER(header_type_r) override;
	DECLARE_READ8_MEMBER(unknown_r);
	DECLARE_WRITE8_MEMBER(unknown_w);
	DECLARE_READ32_MEMBER(ram_size_r);
	DECLARE_WRITE32_MEMBER(ram_size_w);
};

DECLARE_DEVICE_TYPE(CRUSH11, crush11_host_device)

// For ddr ram

class crush11_memory_device : public pci_device {
public:
	crush11_memory_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock, int ram_size);
	crush11_memory_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);

	void set_ram_size(int ram_size);

protected:
	virtual void device_start() override;
	virtual void device_reset() override;

	virtual void map_extra(uint64_t memory_window_start, uint64_t memory_window_end, uint64_t memory_offset, address_space *memory_space,
		uint64_t io_window_start, uint64_t io_window_end, uint64_t io_offset, address_space *io_space) override;

	virtual void config_map(address_map &map) override;

private:
	int ddr_ram_size;
	std::vector<uint32_t> ram;
	crush11_host_device *host;
	address_space *ram_space;
};

DECLARE_DEVICE_TYPE(CRUSH11_MEMORY, crush11_memory_device)

// device connected to SMBus

class smbus_logger_device : public device_t, public smbus_interface
{
public:
	smbus_logger_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
	virtual int execute_command(int command, int rw, int data) override;
	uint8_t *get_buffer() { return buffer; }

protected:
	virtual void device_start() override;
	virtual void device_reset() override;

private:
	uint8_t buffer[0xff];
};

DECLARE_DEVICE_TYPE(SMBUS_LOGGER, smbus_logger_device)

// Simple smbus rom used as a placeholder for the serial presence detect chip in a ddr dimm

class smbus_rom_device : public device_t, public smbus_interface
{
public:
	smbus_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock, const uint8_t *data, int size);
	smbus_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
	virtual int execute_command(int command, int rw, int data) override;

protected:
	virtual void device_start() override;
	virtual void device_reset() override;

private:
	const uint8_t *buffer;
	int buffer_size;
};

DECLARE_DEVICE_TYPE(SMBUS_ROM, smbus_rom_device)

// Asus AS99127F chip
// It answers to three smbus addresses, by default 0x2d 0x48 0x49

class as99127f_device : public device_t, public smbus_interface
{
public:
	as99127f_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
	virtual int execute_command(int command, int rw, int data) override;
	uint8_t *get_buffer() { return buffer; }

protected:
	virtual void device_start() override;

private:
	uint8_t buffer[0xff];
};

DECLARE_DEVICE_TYPE(AS99127F, as99127f_device)

class as99127f_sensor2_device : public device_t, public smbus_interface
{
public:
	as99127f_sensor2_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
	virtual int execute_command(int command, int rw, int data) override;
	uint8_t *get_buffer() { return buffer; }

protected:
	virtual void device_start() override;

private:
	uint8_t buffer[0xff];
};

DECLARE_DEVICE_TYPE(AS99127F_SENSOR2, as99127f_sensor2_device)

class as99127f_sensor3_device : public device_t, public smbus_interface
{
public:
	as99127f_sensor3_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
	virtual int execute_command(int command, int rw, int data) override;
	uint8_t *get_buffer() { return buffer; }

protected:
	virtual void device_start() override;

private:
	uint8_t buffer[0xff];
};

DECLARE_DEVICE_TYPE(AS99127F_SENSOR3, as99127f_sensor3_device)

// ITE IT8703F-A SuperIO

class it8703f_device : public device_t, public lpcbus_device_interface
{
public:
	it8703f_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
	virtual void map_extra(address_space *memory_space, address_space *io_space) override;
	virtual void set_host(int index, lpcbus_host_interface *host) override;
	virtual void device_add_mconfig(machine_config &config) override;

	auto pin_reset() { return pin_reset_callback.bind(); }
	auto pin_gatea20() { return pin_gatea20_callback.bind(); }
	auto txd1() { return m_txd1_callback.bind(); }
	auto ndtr1() { return m_ndtr1_callback.bind(); }
	auto nrts1() { return m_nrts1_callback.bind(); }
	auto txd2() { return m_txd2_callback.bind(); }
	auto ndtr2() { return m_ndtr2_callback.bind(); }
	auto nrts2() { return m_nrts2_callback.bind(); }

	void map_lpt(address_map& map);
	void map_serial1(address_map& map);
	void map_serial2(address_map& map);
	void map_keyboard(address_map &map);

	// floppy disk controller
	DECLARE_WRITE_LINE_MEMBER(irq_floppy_w);
	DECLARE_WRITE_LINE_MEMBER(drq_floppy_w);
	// parallel port
	DECLARE_WRITE_LINE_MEMBER(irq_parallel_w);
	DECLARE_WRITE_LINE_MEMBER(drq_parallel_w);
	// uarts
	DECLARE_WRITE_LINE_MEMBER(irq_serial1_w);
	DECLARE_WRITE_LINE_MEMBER(txd_serial1_w);
	DECLARE_WRITE_LINE_MEMBER(dtr_serial1_w);
	DECLARE_WRITE_LINE_MEMBER(rts_serial1_w);
	DECLARE_WRITE_LINE_MEMBER(irq_serial2_w);
	DECLARE_WRITE_LINE_MEMBER(txd_serial2_w);
	DECLARE_WRITE_LINE_MEMBER(dtr_serial2_w);
	DECLARE_WRITE_LINE_MEMBER(rts_serial2_w);
	// uarts
	DECLARE_WRITE_LINE_MEMBER(rxd1_w);
	DECLARE_WRITE_LINE_MEMBER(ndcd1_w);
	DECLARE_WRITE_LINE_MEMBER(ndsr1_w);
	DECLARE_WRITE_LINE_MEMBER(nri1_w);
	DECLARE_WRITE_LINE_MEMBER(ncts1_w);
	DECLARE_WRITE_LINE_MEMBER(rxd2_w);
	DECLARE_WRITE_LINE_MEMBER(ndcd2_w);
	DECLARE_WRITE_LINE_MEMBER(ndsr2_w);
	DECLARE_WRITE_LINE_MEMBER(nri2_w);
	DECLARE_WRITE_LINE_MEMBER(ncts2_w);
	// keyboard
	DECLARE_WRITE_LINE_MEMBER(irq_keyboard_w);
	DECLARE_WRITE_LINE_MEMBER(kbdp21_gp25_gatea20_w);
	DECLARE_WRITE_LINE_MEMBER(kbdp20_gp20_reset_w);

	DECLARE_READ8_MEMBER(read_it8703f);
	DECLARE_WRITE8_MEMBER(write_it8703f);
	// parallel port
	DECLARE_READ8_MEMBER(lpt_read);
	DECLARE_WRITE8_MEMBER(lpt_write);
	// uarts
	DECLARE_READ8_MEMBER(serial1_read);
	DECLARE_WRITE8_MEMBER(serial1_write);
	DECLARE_READ8_MEMBER(serial2_read);
	DECLARE_WRITE8_MEMBER(serial2_write);
	// keyboard
	DECLARE_READ8_MEMBER(at_keybc_r);
	DECLARE_WRITE8_MEMBER(at_keybc_w);
	DECLARE_READ8_MEMBER(keybc_status_r);
	DECLARE_WRITE8_MEMBER(keybc_command_w);

protected:
	virtual void device_start() override;

private:
	enum OperatingMode
	{
		Run = 0,
		Configuration = 1
	} mode;
	enum LogicalDevice
	{
		FDC = 0,        // Floppy disk controller
		Parallel,       // Parallel port
		Serial1,        // Serial port 1
		Serial2,        // Serial port 2
		Keyboard = 5,   // Keyboard controller
		ConsumerIR,     // Consumer IR
		Gpio1,          // Game port, MIDI, GPIO set 1
		Gpio2,          // GPIO set 2
		Gpio34,         // GPIO set 3 and 4
		ACPI,           // ACPI
		Gpio567 = 12    // GPIO set 5, 6 and 7
	};
	int config_key_step;
	int config_index;
	int logical_device;
	uint8_t global_configuration_registers[0x30];
	uint8_t configuration_registers[13][0x100];
	devcb_write_line pin_reset_callback;
	devcb_write_line pin_gatea20_callback;
	devcb_write_line m_txd1_callback;
	devcb_write_line m_ndtr1_callback;
	devcb_write_line m_nrts1_callback;
	devcb_write_line m_txd2_callback;
	devcb_write_line m_ndtr2_callback;
	devcb_write_line m_nrts2_callback;
	required_device<smc37c78_device> floppy_controller_fdcdev;
	required_device<pc_lpt_device> pc_lpt_lptdev;
	required_device<ns16450_device> pc_serial1_comdev;
	required_device<ns16450_device> pc_serial2_comdev;
	required_device<kbdc8042_device> m_kbdc;
	bool enabled_logical[13];
	bool enabled_game_port;
	bool enabled_midi_port;

	lpcbus_host_interface *lpchost;
	int lpcindex;
	address_space *memspace;
	address_space *iospace;

	void internal_memory_map(address_map &map);
	void internal_io_map(address_map &map);
	uint16_t get_base_address(int logical, int index);
	void map_fdc_addresses();
	void map_lpt_addresses();
	void map_serial1_addresses();
	void map_serial2_addresses();
	void map_keyboard_addresses();
	void write_global_configuration_register(int index, int data);
	void write_logical_configuration_register(int index, int data);
	void write_fdd_configuration_register(int index, int data);
	void write_parallel_configuration_register(int index, int data);
	void write_serial1_configuration_register(int index, int data);
	void write_serial2_configuration_register(int index, int data);
	void write_keyboard_configuration_register(int index, int data);
	uint16_t read_global_configuration_register(int index);
	uint16_t read_logical_configuration_register(int index);
	uint16_t read_fdd_configuration_register(int index) { return configuration_registers[LogicalDevice::FDC][index]; }
	uint16_t read_parallel_configuration_register(int index) { return configuration_registers[LogicalDevice::Parallel][index]; }
	uint16_t read_serial1_configuration_register(int index) { return configuration_registers[LogicalDevice::Serial1][index]; }
	uint16_t read_serial2_configuration_register(int index) { return configuration_registers[LogicalDevice::Serial2][index]; }
	uint16_t read_keyboard_configuration_register(int index) { return configuration_registers[LogicalDevice::Keyboard][index]; }
};

DECLARE_DEVICE_TYPE(IT8703F, it8703f_device)


#endif