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13 lines
406 B
C
13 lines
406 B
C
/*
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* Intel 8237 DMA Controller
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*
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* $Id: i8237.h,v 1.2 1993/10/16 13:48:48 rgrimes Exp $
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*/
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#define DMA37MD_SINGLE 0x40 /* single pass mode */
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#define DMA37MD_CASCADE 0xc0 /* cascade mode */
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#define DMA37MD_AUTO 0x50 /* autoinitialise single pass mode */
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#define DMA37MD_WRITE 0x04 /* read the device, write memory operation */
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#define DMA37MD_READ 0x08 /* write the device, read memory operation */
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