// license:BSD-3-Clause
// copyright-holders: Samuele Zannoli
/***************************************************************************
fdc37c93x.h
SMSC FDC37C93x Plug and Play Compatible Ultra I/O Controller
***************************************************************************/
#ifndef MAME_MACHINE_FDC37C93X_H
#define MAME_MACHINE_FDC37C93X_H
#pragma once
#include "bus/isa/isa.h"
#include "imagedev/floppy.h"
#include "machine/8042kbdc.h"
#include "machine/ds128x.h"
#include "machine/ins8250.h"
#include "machine/pc_lpt.h"
#include "machine/upd765.h"
class fdc37c93x_device : public device_t, public device_isa16_card_interface
{
public:
fdc37c93x_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
~fdc37c93x_device() {}
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override;
void set_sysopt_pin(int value) { sysopt_pin = value; }
auto gp20_reset() { return m_gp20_reset_callback.bind(); }
auto gp25_gatea20() { return m_gp25_gatea20_callback.bind(); }
auto irq1() { return m_irq1_callback.bind(); }
auto irq8() { return m_irq8_callback.bind(); }
auto irq9() { return m_irq9_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 remap(int space_id, offs_t start, offs_t end) override;
// for the internal floppy controller
void irq_floppy_w(int state);
void drq_floppy_w(int state);
// for the internal parallel port
void irq_parallel_w(int state);
// for the internal uarts
void irq_serial1_w(int state);
void txd_serial1_w(int state);
void dtr_serial1_w(int state);
void rts_serial1_w(int state);
void irq_serial2_w(int state);
void txd_serial2_w(int state);
void dtr_serial2_w(int state);
void rts_serial2_w(int state);
// chip pins for uarts
void rxd1_w(int state);
void ndcd1_w(int state);
void ndsr1_w(int state);
void nri1_w(int state);
void ncts1_w(int state);
void rxd2_w(int state);
void ndcd2_w(int state);
void ndsr2_w(int state);
void nri2_w(int state);
void ncts2_w(int state);
// rtc
void irq_rtc_w(int state);
// keyboard
void irq_keyboard_w(int state);
void irq_mouse_w(int state);
void kbdp21_gp25_gatea20_w(int state);
void kbdp20_gp20_reset_w(int state);
void unmap_fdc(address_map &map);
void map_lpt(address_map &map);
void map_serial1(address_map &map);
void map_serial2(address_map &map);
void map_rtc(address_map &map);
void map_keyboard(address_map &map);
void unmap_keyboard(address_map &map);
// to access io ports
uint8_t read(offs_t offset);
void write(offs_t offset, uint8_t data);
uint8_t disabled_read();
void disabled_write(uint8_t data);
uint8_t at_keybc_r(offs_t offset);
void at_keybc_w(offs_t offset, uint8_t data);
uint8_t keybc_status_r();
void keybc_command_w(uint8_t data);
static void floppy_formats(format_registration &fr);
protected:
fdc37c93x_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
virtual uint8_t dack_r(int line) override;
virtual void dack_w(int line, uint8_t data) override;
virtual void eop_w(int state) override;
u8 m_device_id = 0;
u8 m_device_rev = 0;
private:
// put your private members here
enum OperatingMode
{
Run = 0,
Configuration = 1
} mode;
enum LogicalDevice
{
FDC = 0,
IDE1,
IDE2,
Parallel,
Serial1,
Serial2,
RTC,
Keyboard,
AuxIO
};
int config_key_step;
int config_index;
int logical_device;
int last_dma_line;
uint8_t global_configuration_registers[0x30];
uint8_t configuration_registers[9][0x100];
devcb_write_line m_gp20_reset_callback;
devcb_write_line m_gp25_gatea20_callback;
devcb_write_line m_irq1_callback;
devcb_write_line m_irq8_callback;
devcb_write_line m_irq9_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<ns16550_device> pc_serial1_comdev;
required_device<ns16550_device> pc_serial2_comdev;
required_device<ds12885_device> ds12885_rtcdev;
required_device<kbdc8042_device> m_kbdc;
int sysopt_pin;
bool enabled_logical[9];
int dreq_mapping[4];
void request_irq(int irq, int state);
void request_dma(int dreq, int state);
uint16_t get_base_address(int logical, int index);
void update_dreq_mapping(int dreq, int logical);
void map_fdc_addresses();
void unmap_fdc_addresses();
void map_lpt_addresses();
void unmap_lpt_addresses();
void map_serial1_addresses();
void unmap_serial1_addresses();
void map_serial2_addresses();
void unmap_serial2_addresses();
void map_rtc_addresses();
void unmap_rtc_addresses();
void map_keyboard_addresses();
void unmap_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_ide1_configuration_register(int index, int data) {}
void write_ide2_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_rtc_configuration_register(int index, int data);
void write_keyboard_configuration_register(int index, int data);
void write_auxio_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[logical_device][index]; }
uint16_t read_ide1_configuration_register(int index) { return configuration_registers[logical_device][index]; }
uint16_t read_ide2_configuration_register(int index) { return configuration_registers[logical_device][index]; }
uint16_t read_parallel_configuration_register(int index) { return configuration_registers[logical_device][index]; }
uint16_t read_serial1_configuration_register(int index) { return configuration_registers[logical_device][index]; }
uint16_t read_serial2_configuration_register(int index) { return configuration_registers[logical_device][index]; }
uint16_t read_rtc_configuration_register(int index);
uint16_t read_keyboard_configuration_register(int index);
uint16_t read_auxio_configuration_register(int index);
};
class fdc37m707_device : public fdc37c93x_device
{
public:
fdc37m707_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
~fdc37m707_device() {}
};
DECLARE_DEVICE_TYPE(FDC37C93X, fdc37c93x_device);
DECLARE_DEVICE_TYPE(FDC37M707, fdc37m707_device);
#endif // MAME_MACHINE_FDC37C93X_H