// license:BSD-3-Clause // copyright-holders:smf /*************************************************************************** ataintf.h ATA Interface implementation. ***************************************************************************/ #ifndef MAME_BUS_ATA_ATAINTF_H #define MAME_BUS_ATA_ATAINTF_H #pragma once #include "atadev.h" /*************************************************************************** TYPE DEFINITIONS ***************************************************************************/ /* ----- device interface ----- */ class abstract_ata_interface_device : public device_t { public: // static configuration helpers auto irq_handler() { return m_irq_handler.bind(); } auto dmarq_handler() { return m_dmarq_handler.bind(); } auto dasp_handler() { return m_dasp_handler.bind(); } template abstract_ata_interface_device &set_slot_options(int index, T &&opts, const char *dflt, bool fixed) { ata_slot_device &dev = slot(index); dev.option_reset(); opts(dev); dev.set_default_option(dflt); dev.set_fixed(fixed); return *this; } template abstract_ata_interface_device &master(T &&opts, const char *dflt = nullptr, bool fixed = false) { set_slot(0, std::forward(opts), dflt, fixed); return *this; } template abstract_ata_interface_device &slave(T &&opts, const char *dflt = nullptr, bool fixed = false) { set_slot(1, std::forward(opts), dflt, fixed); return *this; } template abstract_ata_interface_device &options(T &&opts, const char *master_default = nullptr, const char *slave_default = nullptr, bool fixed = false) { set_slot_options(0, std::forward(opts), master_default, fixed); set_slot_options(1, std::forward(opts), slave_default, fixed); return *this; } ata_slot_device &slot(int index); uint16_t read_dma(); void write_dma(uint16_t data); DECLARE_WRITE_LINE_MEMBER(write_dmack); protected: abstract_ata_interface_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); uint16_t internal_read_cs0(offs_t offset, uint16_t mem_mask = 0xffff); uint16_t internal_read_cs1(offs_t offset, uint16_t mem_mask = 0xffff); void internal_write_cs0(offs_t offset, uint16_t data, uint16_t mem_mask = 0xffff); void internal_write_cs1(offs_t offset, uint16_t data, uint16_t mem_mask = 0xffff); // device-level overrides virtual void device_start() override; virtual void device_add_mconfig(machine_config &config) override; virtual void set_irq(int state); virtual void set_dmarq(int state); virtual void set_dasp(int state); enum : size_t { SLOT_MASTER, SLOT_SLAVE, SLOT_COUNT }; 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); required_device_array m_slot; int m_irq[SLOT_COUNT]; int m_dmarq[SLOT_COUNT]; int m_dasp[SLOT_COUNT]; int m_pdiag[SLOT_COUNT]; devcb_write_line m_irq_handler; devcb_write_line m_dmarq_handler; devcb_write_line m_dasp_handler; }; class ata_interface_device : public abstract_ata_interface_device { public: ata_interface_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0); template ata_interface_device &master(T &&opts, const char *dflt = nullptr, bool fixed = false) { abstract_ata_interface_device::master(std::forward(opts), dflt, fixed); return *this; } template ata_interface_device &slave(T &&opts, const char *dflt = nullptr, bool fixed = false) { abstract_ata_interface_device::slave(std::forward(opts), dflt, fixed); return *this; } template ata_interface_device &options(T &&opts, const char *master_default = nullptr, const char *slave_default = nullptr, bool fixed = false) { abstract_ata_interface_device::options(std::forward(opts), master_default, slave_default, fixed); return *this; } template ata_interface_device &set_slot_options(int index, T &&opts, const char *dflt, bool fixed) { abstract_ata_interface_device::set_slot_options(index, std::forward(opts), dflt, fixed); return *this; } uint16_t cs0_r(offs_t offset, uint16_t mem_mask = 0xffff) { return internal_read_cs0(offset, mem_mask); } uint16_t cs1_r(offs_t offset, uint16_t mem_mask = 0xffff) { return internal_read_cs1(offset, mem_mask); } void cs0_w(offs_t offset, uint16_t data, uint16_t mem_mask = 0xffff) { internal_write_cs0(offset, data, mem_mask); } void cs1_w(offs_t offset, uint16_t data, uint16_t mem_mask = 0xffff) { internal_write_cs1(offset, data, mem_mask); } uint16_t cs0_swap_r(offs_t offset, uint16_t mem_mask = 0xffff) { return swapendian_int16(internal_read_cs0(offset, swapendian_int16(mem_mask))); } uint16_t cs1_swap_r(offs_t offset, uint16_t mem_mask = 0xffff) { return swapendian_int16(internal_read_cs1(offset, swapendian_int16(mem_mask))); } void cs0_swap_w(offs_t offset, uint16_t data, uint16_t mem_mask = 0xffff) { internal_write_cs0(offset, swapendian_int16(data), swapendian_int16(mem_mask)); } void cs1_swap_w(offs_t offset, uint16_t data, uint16_t mem_mask = 0xffff) { internal_write_cs1(offset, swapendian_int16(data), swapendian_int16(mem_mask)); } }; DECLARE_DEVICE_TYPE(ATA_INTERFACE, ata_interface_device) #endif // MAME_BUS_ATA_ATAINTF_H