mirror of
https://github.com/LIV2/lide.device.git
synced 2025-12-06 00:32:45 +00:00
Matt Harlum
5db68783fe
* Increase loop wait from 100us to 1ms - this makes the timers more accurate on slow 68000 systems * Increase ATA BSY wait to 10s - Spinning rust can take a while to spool up and become ready * Skip ata_identify drq wait if error/fault is indicated - this will usually be an ATAPI drive and there's no point waiting
51 lines
1.9 KiB
C
51 lines
1.9 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 _ATAPI_H
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#define _ATAPI_H
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#include <stdbool.h>
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#include "device.h"
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#include <exec/types.h>
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#define atapi_flag_cd (1<<0)
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#define atapi_flag_io (1<<1)
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#define atapi_err_abort (1<<2)
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#define atapi_err_eom (1<<1)
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#define atapi_err_len (1<<0)
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#define ATAPI_CMD_PACKET 0xA0
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#define ATAPI_CMD_IDENTIFY 0xA1
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#define ATAPI_DRQ_WAIT_LOOP_US 1000
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#define ATAPI_DRQ_WAIT_MS 500
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#define ATAPI_DRQ_WAIT_COUNT (ATAPI_DRQ_WAIT_MS * (1000 / ATAPI_DRQ_WAIT_LOOP_US))
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#define ATAPI_BSY_WAIT_LOOP_US 1000
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#define ATAPI_BSY_WAIT_S 5
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#define ATAPI_BSY_WAIT_COUNT (ATAPI_BSY_WAIT_S * 1000 * (1000 / ATAPI_BSY_WAIT_LOOP_US))
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#define IR_PIO_W 0x0
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#define IR_COMMAND 0x1
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#define IR_PIO_R 0x2
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#define IR_STATUS 0x3
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#define IR_PIOF 0x2
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void atapi_dev_reset(struct IDEUnit *unit);
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bool atapi_check_signature(struct IDEUnit *unit);
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bool atapi_identify(struct IDEUnit *unit, UWORD *buffer);
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BYTE atapi_translate(APTR io_Data,ULONG lba, ULONG count, ULONG *io_Actual, struct IDEUnit *unit, enum xfer_dir direction);
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BYTE atapi_scsi_read_write_6 (struct SCSICmd *cmd, struct IDEUnit *unit);
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BYTE atapi_packet_unaligned(struct SCSICmd *cmd, struct IDEUnit *unit);
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BYTE atapi_packet(struct SCSICmd *cmd, struct IDEUnit *unit);
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BYTE atapi_test_unit_ready(struct IDEUnit *unit);
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BYTE atapi_get_capacity(struct IDEUnit *unit);
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BYTE atapi_request_sense(struct IDEUnit *unit, UBYTE *errorCode, UBYTE *senseKey, UBYTE *asc, UBYTE *asq);
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BYTE atapi_mode_sense(struct IDEUnit *unit, BYTE page_code, UWORD *buffer, UWORD length, UWORD *actual);
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BYTE atapi_scsi_mode_sense_6(struct SCSICmd *cmd, struct IDEUnit *unit);
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BYTE atapi_start_stop_unit(struct IDEUnit *unit, bool start, bool loej);
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BYTE atapi_check_wp(struct IDEUnit *unit);
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bool atapi_update_presence(struct IDEUnit *unit, bool present);
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#endif |