46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
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/*
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* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
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*
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* This document is the property of Apple Computer, Inc.
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* It is considered confidential and proprietary.
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*
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* This document may not be reproduced or transmitted in any form,
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* in whole or in part, without the express written permission of
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* Apple Computer, Inc.
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*/
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#ifndef __DRIVERS_HDC_H
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#define __DRIVERS_HDC_H
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#include <sys/types.h>
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#include <lib/blockdev.h>
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__BEGIN_DECLS
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/* Generic Device defines */
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#define HDC_BLOCK_SIZE 512
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#define HDC_CMD_READ 0x01
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#define HDC_CMD_WRITE 0x02
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#define HDC_CMD_INT 0x80
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#define HDC_CMD_MASK 0x7F
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#define HDC_ST_READY 0x0
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#define HDC_ST_BUSY 0x1
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#define HDC_ST_DONE 0x2
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#define HDC_ST_ERROR 0x3
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#define HDC_SET_CMD_CMD(r,c) ((r) | (((c) & 0xff) << 24))
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#define HDC_SET_CMD_DISK(r,c) ((r) | (((c) & 0xff) << 16))
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#define HDC_SET_CMD_LEN(r,c) ((r) | (((c) & 0xff) << 0))
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#define HDC_GET_STATUS_ST(r) (((r) >> 24) & 0xff)
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#define HDC_GET_STATUS_DISK(r) (((r) >> 16) & 0xff)
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#define HDC_GET_STATUS_CNT(r) (((r) >> 0) & 0xffff)
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int hdc_init(void);
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__END_DECLS
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#endif /* __DRIVERS_HDC_H */
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