mirror of
https://github.com/LIV2/lide.device.git
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126 lines
3.4 KiB
C
126 lines
3.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/* This file is part of lide.device
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* Copyright (C) 2023 Matthew Harlum <matt@harlum.net>
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*/
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#ifndef _DEVICE_H
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#define _DEVICE_H
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#include <dos/filehandler.h>
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#include <exec/semaphores.h>
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#include <stdbool.h>
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#define OAHR_MANUF_ID 5194
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#define BSC_MANUF_ID 2092
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#define A1K_MANUF_ID 2588
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#define RIPPLE_PROD_ID 7
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#define MAX_UNITS 4
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enum xfer {
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longword_movem,
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longword_move,
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longword_move16
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};
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/**
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* Drive struct
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*
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* Each register spaced 512 bytes apart
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* To use this code with other boards you may need to adjust these sizes
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*/
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struct Drive {
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UWORD data[256];
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UBYTE error_features[512];
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UBYTE sectorCount[512];
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UBYTE lbaLow[512];
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UBYTE lbaMid[512];
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UBYTE lbaHigh[512];
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UBYTE devHead[512];
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UBYTE status_command[512];
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};
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struct IDEUnit {
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struct MinNode mn_Node;
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struct Unit io_unit;
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struct ConfigDev *cd;
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struct ExecBase *SysBase;
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struct IDETask *itask;
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volatile struct Drive *drive;
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BYTE (*write_taskfile)(struct IDEUnit *, UBYTE, ULONG, UBYTE);
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enum xfer xfer_method;
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void (*read_fast)(void *, void *);
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void (*write_fast)(void *, void *);
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void (*read_unaligned)(void *, void *);
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void (*write_unaligned)(void *, void *);
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volatile UBYTE *shadowDevHead;
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volatile void *changeInt;
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UBYTE unitNum;
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UBYTE channel;
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UBYTE device_type;
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UBYTE last_error[6];
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BOOL primary;
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BOOL present;
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BOOL atapi;
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BOOL mediumPresent;
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BOOL mediumPresentPrev;
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BOOL xfer_multiple;
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BOOL lba;
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BOOL lba48;
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UWORD open_count;
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UWORD change_count;
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UWORD cylinders;
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UWORD heads;
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UWORD sectorsPerTrack;
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UWORD blockSize;
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UWORD blockShift;
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ULONG logicalSectors;
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struct MinList changeInts;
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UBYTE multiple_count;
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};
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struct DeviceBase {
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struct Library lib;
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struct ExecBase *SysBase;
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struct Library *ExpansionBase;
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struct Task *ChangeTask;
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BPTR saved_seg_list;
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BOOL is_open;
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ULONG num_units;
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ULONG highest_unit;
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UBYTE num_tasks;
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struct MinList units;
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struct SignalSemaphore ul_sem;
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struct MinList ide_tasks;
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};
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struct IDETask {
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struct MinNode mn_Node;
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struct Task *task;
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struct Task *parent;
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struct DeviceBase *dev;
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struct ConfigDev *cd;
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struct MsgPort *iomp;
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struct MsgPort *timermp;
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struct timerequest *tr;
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volatile bool active;
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UBYTE shadowDevHead;
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UBYTE taskNum;
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UBYTE channel;
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};
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#define STR(s) #s /* Turn s into a string literal without expanding macro definitions (however, \
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if invoked from a macro, macro arguments are expanded). */
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#define XSTR(s) STR(s) /* Turn s into a string literal after macro-expanding it. */
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#ifndef LIDE_IS_SCSI
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#define DEVICE_NAME " lide.device"
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#else
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#define DEVICE_NAME " scsi.device"
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#endif
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#define DEVICE_DATE "(" __DATE__ ")"
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#define DEVICE_ID_STRING "lide " XSTR(DEVICE_VERSION) "." XSTR(DEVICE_REVISION) " " DEVICE_DATE /* format is: 'name version.revision (d.m.yy)' */
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#define DEVICE_VERSION 40
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#define DEVICE_REVISION 5
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#define DEVICE_PRIORITY 0 /* Most people will not need a priority and should leave it at zero. */
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#endif
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