reactos/drivers/storage/inc/ideuser.h

132 lines
3.7 KiB
C

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