// 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 floppy_controller_fdcdev; required_device pc_lpt_lptdev; required_device pc_serial1_comdev; required_device pc_serial2_comdev; required_device ds12885_rtcdev; required_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