// license:BSD-3-Clause // copyright-holders:smf /*************************************************************************** ataintf.h ATA Interface implementation. ***************************************************************************/ #ifndef MAME_MACHINE_ATAINTF_H #define MAME_MACHINE_ATAINTF_H #pragma once #include "atadev.h" /*************************************************************************** TYPE DEFINITIONS ***************************************************************************/ // ======================> ata_slot_device class ata_slot_device : public device_t, public device_slot_interface { public: // construction/destruction ata_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); device_ata_interface *dev() { return m_dev; } protected: // device-level overrides virtual void device_start() override; virtual void device_config_complete() override; private: device_ata_interface *m_dev; }; // device type definition DECLARE_DEVICE_TYPE(ATA_SLOT, ata_slot_device) /*************************************************************************** TYPE DEFINITIONS ***************************************************************************/ #define MCFG_ATA_INTERFACE_IRQ_HANDLER(_devcb) \ downcast(*device).set_irq_handler(DEVCB_##_devcb); #define MCFG_ATA_INTERFACE_DMARQ_HANDLER(_devcb) \ downcast(*device).set_dmarq_handler(DEVCB_##_devcb); #define MCFG_ATA_INTERFACE_DASP_HANDLER(_devcb) \ downcast(*device).set_dasp_handler(DEVCB_##_devcb); void ata_devices(device_slot_interface &device); /*************************************************************************** DEVICE CONFIGURATION MACROS ***************************************************************************/ #define MCFG_ATA_INTERFACE_ADD(_tag, _slot_intf, _master, _slave, _fixed) \ MCFG_DEVICE_ADD(_tag, ATA_INTERFACE, 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) /*************************************************************************** TYPE DEFINITIONS ***************************************************************************/ /* ----- device interface ----- */ class abstract_ata_interface_device : public device_t { public: // static configuration helpers template devcb_base &set_irq_handler(Object &&cb) { return m_irq_handler.set_callback(std::forward(cb)); } template devcb_base &set_dmarq_handler(Object &&cb) { return m_dmarq_handler.set_callback(std::forward(cb)); } template devcb_base &set_dasp_handler(Object &&cb) { return m_dasp_handler.set_callback(std::forward(cb)); } 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); 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); ata_slot_device *m_slot[2]; int m_irq[2]; int m_dmarq[2]; int m_dasp[2]; int m_pdiag[2]; 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); uint16_t read_cs0(offs_t offset, uint16_t mem_mask = 0xffff) { return internal_read_cs0(offset, mem_mask); } uint16_t read_cs1(offs_t offset, uint16_t mem_mask = 0xffff) { return internal_read_cs1(offset, mem_mask); } void write_cs0(offs_t offset, uint16_t data, uint16_t mem_mask = 0xffff) { internal_write_cs0(offset, data, mem_mask); } void write_cs1(offs_t offset, uint16_t data, uint16_t mem_mask = 0xffff) { internal_write_cs1(offset, data, mem_mask); } DECLARE_READ16_MEMBER(cs0_r) { return read_cs0(offset, mem_mask); } DECLARE_READ16_MEMBER(cs1_r) { return read_cs1(offset, mem_mask); } DECLARE_WRITE16_MEMBER(cs0_w) { write_cs0(offset, data, mem_mask); } DECLARE_WRITE16_MEMBER(cs1_w) { write_cs1(offset, data, mem_mask); } }; DECLARE_DEVICE_TYPE(ATA_INTERFACE, ata_interface_device) #endif // MAME_MACHINE_ATAINTF_H