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Diffstat (limited to 'src/devices/machine/ataintf.h')
-rw-r--r-- | src/devices/machine/ataintf.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/devices/machine/ataintf.h b/src/devices/machine/ataintf.h new file mode 100644 index 00000000000..01ee67e159f --- /dev/null +++ b/src/devices/machine/ataintf.h @@ -0,0 +1,129 @@ +// license:BSD-3-Clause +// copyright-holders:smf +/*************************************************************************** + + ataintf.h + + ATA Interface implementation. + +***************************************************************************/ + +#pragma once + +#ifndef __ATAINTF_H__ +#define __ATAINTF_H__ + +#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 clock); + + ata_device_interface *dev() { return m_dev; } +protected: + // device-level overrides + virtual void device_start(); + virtual void device_config_complete(); + +private: + ata_device_interface *m_dev; +}; + +// device type definition +extern const device_type ATA_SLOT; + +/*************************************************************************** + TYPE DEFINITIONS +***************************************************************************/ + +#define MCFG_ATA_INTERFACE_IRQ_HANDLER(_devcb) \ + devcb = &ata_interface_device::set_irq_handler(*device, DEVCB_##_devcb); + +#define MCFG_ATA_INTERFACE_DMARQ_HANDLER(_devcb) \ + devcb = &ata_interface_device::set_dmarq_handler(*device, DEVCB_##_devcb); + +#define MCFG_ATA_INTERFACE_DASP_HANDLER(_devcb) \ + devcb = &ata_interface_device::set_dasp_handler(*device, DEVCB_##_devcb); + +SLOT_INTERFACE_EXTERN(ata_devices); + +/*************************************************************************** + 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 ata_interface_device : public device_t +{ +public: + ata_interface_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + ata_interface_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); + + // static configuration helpers + template<class _Object> static devcb_base &set_irq_handler(device_t &device, _Object object) { return downcast<ata_interface_device &>(device).m_irq_handler.set_callback(object); } + template<class _Object> static devcb_base &set_dmarq_handler(device_t &device, _Object object) { return downcast<ata_interface_device &>(device).m_dmarq_handler.set_callback(object); } + template<class _Object> static devcb_base &set_dasp_handler(device_t &device, _Object object) { return downcast<ata_interface_device &>(device).m_dasp_handler.set_callback(object); } + UINT16 read_dma(); + virtual DECLARE_READ16_MEMBER(read_cs0); + virtual DECLARE_READ16_MEMBER(read_cs1); + + void write_dma(UINT16 data); + virtual DECLARE_WRITE16_MEMBER(write_cs0); + virtual DECLARE_WRITE16_MEMBER(write_cs1); + DECLARE_WRITE_LINE_MEMBER(write_dmack); + +protected: + // device-level overrides + virtual void device_start(); + virtual machine_config_constructor device_mconfig_additions() const; + + 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; +}; + +extern const device_type ATA_INTERFACE; + +#endif /* __ATAINTF_H__ */ |