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132 lines
3.7 KiB
C
132 lines
3.7 KiB
C
/*++
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Copyright (C) Microsoft Corporation, 1999 - 1999
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Module Name:
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ideuser.h
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Abstract:
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These are the structures and defines that are used in the
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PCI IDE mini drivers.
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Revision History:
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--*/
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#if !defined (___ideuser_h___)
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#define ___ideuser_h___
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#define PIO_MODE0 (1 << 0)
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#define PIO_MODE1 (1 << 1)
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#define PIO_MODE2 (1 << 2)
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#define PIO_MODE3 (1 << 3)
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#define PIO_MODE4 (1 << 4)
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#define SWDMA_MODE0 (1 << 5)
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#define SWDMA_MODE1 (1 << 6)
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#define SWDMA_MODE2 (1 << 7)
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#define MWDMA_MODE0 (1 << 8)
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#define MWDMA_MODE1 (1 << 9)
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#define MWDMA_MODE2 (1 << 10)
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#define UDMA_MODE0 (1 << 11)
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#define UDMA_MODE1 (1 << 12)
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#define UDMA_MODE2 (1 << 13)
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#define UDMA_MODE3 (1 << 14)
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#define UDMA_MODE4 (1 << 15)
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#define UDMA_MODE5 (1 << 16)
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#define PIO_SUPPORT (PIO_MODE0 | PIO_MODE1 | PIO_MODE2 | PIO_MODE3 | PIO_MODE4)
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#define SWDMA_SUPPORT (SWDMA_MODE0 | SWDMA_MODE1 | SWDMA_MODE2)
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#define MWDMA_SUPPORT (MWDMA_MODE0 | MWDMA_MODE1 | MWDMA_MODE2)
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#define UDMA33_SUPPORT (UDMA_MODE0 | UDMA_MODE1 | UDMA_MODE2)
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#define UDMA66_SUPPORT (UDMA_MODE3 | UDMA_MODE4)
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#define UDMA100_SUPPORT (UDMA_MODE5 )
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#define UDMA_SUPPORT (UNINITIALIZED_TRANSFER_MODE & (~(PIO_SUPPORT | SWDMA_SUPPORT | MWDMA_SUPPORT)))
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#define DMA_SUPPORT (SWDMA_SUPPORT | MWDMA_SUPPORT | UDMA_SUPPORT)
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#define ALL_MODE_SUPPORT (PIO_SUPPORT | DMA_SUPPORT)
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#define PIO0 0
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#define PIO1 1
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#define PIO2 2
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#define PIO3 3
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#define PIO4 4
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#define SWDMA0 5
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#define SWDMA1 6
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#define SWDMA2 7
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#define MWDMA0 8
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#define MWDMA1 9
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#define MWDMA2 10
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#define UDMA0 11
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#define MAX_XFER_MODE 17
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#define UNINITIALIZED_CYCLE_TIME 0xffffffff
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#define UNINITIALIZED_TRANSFER_MODE 0x7fffffff
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#define IS_DEFAULT(mode) (!(mode & 0x80000000))
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#define GenTransferModeMask(i, mode) {\
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ULONG temp=0xffffffff; \
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mode |= (temp >> (31-(i)));\
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}
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//
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// mode should not be 0
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//
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#define GetHighestTransferMode(mode, i) {\
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ULONG temp=(mode); \
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ASSERT(temp); \
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i=0; \
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while ( temp) { \
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temp = (temp >> 1);\
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i++;\
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} \
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i--; \
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}
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#define GetHighestDMATransferMode(mode, i) {\
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ULONG temp=mode >> 5;\
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i=5; \
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while ( temp) { \
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temp = (temp >> 1); \
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i++; \
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} \
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i--; \
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}
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#define GetHighestPIOTransferMode(mode, i) { \
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ULONG temp = (mode & PIO_SUPPORT); \
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i=0; \
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temp = temp >> 1; \
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while (temp) { \
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temp = temp >> 1; \
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i++; \
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} \
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}
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#define SetDefaultTiming(timingTable, length) {\
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timingTable[0]=PIO_MODE0_CYCLE_TIME; \
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timingTable[1]=PIO_MODE1_CYCLE_TIME; \
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timingTable[2]=PIO_MODE2_CYCLE_TIME; \
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timingTable[3]=PIO_MODE3_CYCLE_TIME; \
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timingTable[4]=PIO_MODE4_CYCLE_TIME; \
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timingTable[5]=SWDMA_MODE0_CYCLE_TIME; \
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timingTable[6]=SWDMA_MODE1_CYCLE_TIME; \
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timingTable[7]=SWDMA_MODE2_CYCLE_TIME; \
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timingTable[8]=MWDMA_MODE0_CYCLE_TIME; \
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timingTable[9]=MWDMA_MODE1_CYCLE_TIME; \
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timingTable[10]=MWDMA_MODE2_CYCLE_TIME; \
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timingTable[11]=UDMA_MODE0_CYCLE_TIME; \
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timingTable[12]=UDMA_MODE1_CYCLE_TIME; \
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timingTable[13]=UDMA_MODE2_CYCLE_TIME; \
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timingTable[14]=UDMA_MODE3_CYCLE_TIME; \
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timingTable[15]=UDMA_MODE4_CYCLE_TIME; \
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timingTable[16]=UDMA_MODE5_CYCLE_TIME; \
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length = MAX_XFER_MODE; \
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}
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#endif // ___ideuser_h___
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