/*************************************************************************** atahle.h ATA Device HLE Copyright Nicola Salmoria and the MAME Team. Visit http://mamedev.org for licensing and usage restrictions. ***************************************************************************/ #pragma once #ifndef __ATAHLE_H__ #define __ATAHLE_H__ #include "atadev.h" class ata_hle_device : public device_t, public ata_device_interface, public device_slot_card_interface { public: ata_hle_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); virtual UINT16 read_dma(); virtual DECLARE_READ16_MEMBER(read_cs0); virtual DECLARE_READ16_MEMBER(read_cs1); virtual void write_dma(UINT16 data); virtual DECLARE_WRITE16_MEMBER(write_cs0); virtual DECLARE_WRITE16_MEMBER(write_cs1); virtual DECLARE_WRITE_LINE_MEMBER(write_csel); virtual DECLARE_WRITE_LINE_MEMBER(write_dasp); virtual DECLARE_WRITE_LINE_MEMBER(write_dmack); virtual DECLARE_WRITE_LINE_MEMBER(write_pdiag); protected: virtual void device_start(); virtual void device_reset(); virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr); void set_irq(int state); void set_dmarq(int state); void set_dasp(int state); void set_pdiag(int state); void start_busy(attotime time, int param); void stop_busy(); int dev() { return (m_device_head & IDE_DEVICE_HEAD_DRV) >> 4; } bool device_selected() { return m_csel == dev(); } virtual UINT8 calculate_status() { return m_status; } virtual void soft_reset(); virtual void process_command(); virtual void finished_command(); virtual int sector_length() = 0; virtual void process_buffer() = 0; virtual void fill_buffer() = 0; virtual bool is_ready() = 0; virtual void perform_diagnostic() = 0; virtual void signature() = 0; virtual UINT16 read_data(UINT16 mem_mask); virtual void write_data(UINT16 data, UINT16 mem_mask); /// TODO: not sure this should be protected. void read_buffer_empty(); enum { IDE_STATUS_ERR = 0x01, // Error IDE_STATUS_IDX = 0x02, // Index IDE_STATUS_CORR = 0x04, // Corrected Data IDE_STATUS_DRQ = 0x08, // Data Request IDE_STATUS_DSC = 0x10, // ATA Drive Seek Complete IDE_STATUS_SERV = 0x10, // ATAPI Service IDE_STATUS_DWF = 0x20, // ATA Drive Write Fault IDE_STATUS_DMRD = 0x20, // ATAPI DMA Ready IDE_STATUS_DRDY = 0x40, // Drive Ready IDE_STATUS_BSY = 0x80 // Busy }; enum { IDE_ERROR_NONE = 0x00, IDE_ERROR_DIAGNOSTIC_OK = 0x01, IDE_ERROR_TRACK0_NOT_FOUND = 0x02, IDE_ERROR_ABRT = 0x04, IDE_ERROR_BAD_LOCATION = 0x10, IDE_ERROR_BAD_SECTOR = 0x80, IDE_ERROR_DIAGNOSTIC_FAILED = 0x00, IDE_ERROR_DIAGNOSTIC_PASSED = 0x01, IDE_ERROR_DIAGNOSTIC_DEVICE1_FAILED = 0x80 }; enum { IDE_COMMAND_NOP = 0x00, IDE_COMMAND_DEVICE_RESET = 0x08, IDE_COMMAND_RECALIBRATE = 0x10, IDE_COMMAND_READ_SECTORS = 0x20, IDE_COMMAND_READ_SECTORS_NORETRY = 0x21, IDE_COMMAND_WRITE_SECTORS = 0x30, IDE_COMMAND_WRITE_SECTORS_NORETRY = 0x31, IDE_COMMAND_VERIFY_SECTORS = 0x40, IDE_COMMAND_VERIFY_SECTORS_NORETRY = 0x41, IDE_COMMAND_SEEK = 0x70, IDE_COMMAND_DIAGNOSTIC = 0x90, IDE_COMMAND_SET_CONFIG = 0x91, IDE_COMMAND_PACKET = 0xa0, IDE_COMMAND_IDENTIFY_PACKET_DEVICE = 0xa1, IDE_COMMAND_READ_MULTIPLE = 0xc4, IDE_COMMAND_WRITE_MULTIPLE = 0xc5, IDE_COMMAND_SET_BLOCK_COUNT = 0xc6, IDE_COMMAND_READ_DMA = 0xc8, IDE_COMMAND_WRITE_DMA = 0xca, IDE_COMMAND_IDLE_IMMEDIATE = 0xe1, IDE_COMMAND_IDLE = 0xe3, IDE_COMMAND_IDENTIFY_DEVICE = 0xec, IDE_COMMAND_SET_FEATURES = 0xef, IDE_COMMAND_SECURITY_UNLOCK = 0xf2, IDE_COMMAND_SET_MAX = 0xf9 }; enum { IDE_DEVICE_HEAD_HS = 0x0f, IDE_DEVICE_HEAD_DRV = 0x10, IDE_DEVICE_HEAD_L = 0x40, IDE_DEVICE_HEAD_OBSOLETE = 0x80 | 0x20 }; enum { TID_BUSY }; enum { PARAM_RESET, PARAM_DETECT_DEVICE1, PARAM_DIAGNOSTIC, PARAM_WAIT_FOR_PDIAG, PARAM_COMMAND }; attotime MINIMUM_COMMAND_TIME; UINT8 *m_buffer; UINT16 m_buffer_offset; UINT16 m_buffer_size; UINT8 m_error; UINT8 m_feature; UINT16 m_sector_count; UINT8 m_sector_number; UINT8 m_cylinder_low; UINT8 m_cylinder_high; UINT8 m_device_head; UINT8 m_status; UINT8 m_command; UINT8 m_device_control; private: void update_irq(); void write_buffer_full(); void start_diagnostic(); void finished_diagnostic(); void finished_busy(int param); int m_csel; int m_daspin; int m_daspout; int m_dmack; int m_dmarq; int m_irq; int m_pdiagin; int m_pdiagout; bool m_single_device; bool m_resetting; emu_timer *m_busy_timer; }; #endif