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drivers/scsi/a3000.h
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/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef A3000_H #define A3000_H /* $Id: a3000.h,v 1.4 1997/01/19 23:07:10 davem Exp $ * * Header file for the Amiga 3000 built-in SCSI controller for Linux * * Written and (C) 1993, Hamish Macdonald, see a3000.c for more info * */ #include <linux/types.h> |
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#ifndef CMD_PER_LUN |
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#define CMD_PER_LUN 2 |
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#endif #ifndef CAN_QUEUE |
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#define CAN_QUEUE 16 |
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#endif /* * if the transfer address ANDed with this results in a non-zero * result, then we can't use DMA. */ |
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#define A3000_XFER_MASK (0x00000003) |
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struct a3000_scsiregs { |
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unsigned char pad1[2]; volatile unsigned short DAWR; volatile unsigned int WTC; unsigned char pad2[2]; volatile unsigned short CNTR; volatile unsigned long ACR; unsigned char pad3[2]; volatile unsigned short ST_DMA; unsigned char pad4[2]; volatile unsigned short FLUSH; unsigned char pad5[2]; volatile unsigned short CINT; unsigned char pad6[2]; volatile unsigned short ISTR; unsigned char pad7[30]; volatile unsigned short SP_DMA; unsigned char pad8; volatile unsigned char SASR; unsigned char pad9; volatile unsigned char SCMD; |
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}; |
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#define DAWR_A3000 (3) /* CNTR bits. */ #define CNTR_TCEN (1<<5) #define CNTR_PREST (1<<4) #define CNTR_PDMD (1<<3) #define CNTR_INTEN (1<<2) #define CNTR_DDIR (1<<1) #define CNTR_IO_DX (1<<0) /* ISTR bits. */ #define ISTR_INTX (1<<8) #define ISTR_INT_F (1<<7) #define ISTR_INTS (1<<6) #define ISTR_E_INT (1<<5) #define ISTR_INT_P (1<<4) #define ISTR_UE_INT (1<<3) #define ISTR_OE_INT (1<<2) #define ISTR_FF_FLG (1<<1) #define ISTR_FE_FLG (1<<0) #endif /* A3000_H */ |