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53 lines
1.3 KiB
53 lines
1.3 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef GVP11_H |
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/* $Id: gvp11.h,v 1.4 1997/01/19 23:07:12 davem Exp $ |
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* |
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* Header file for the GVP Series II SCSI controller for Linux |
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* |
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* Written and (C) 1993, Ralf Baechle, see gvp11.c for more info |
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* based on a2091.h (C) 1993 by Hamish Macdonald |
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* |
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*/ |
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#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 |
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#ifndef CAN_QUEUE |
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#define CAN_QUEUE 16 |
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#endif |
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/* |
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* if the transfer address ANDed with this results in a non-zero |
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* result, then we can't use DMA. |
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*/ |
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#define GVP11_XFER_MASK (0xff000001) |
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struct gvp11_scsiregs { |
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unsigned char pad1[64]; |
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volatile unsigned short CNTR; |
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unsigned char pad2[31]; |
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volatile unsigned char SASR; |
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unsigned char pad3; |
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volatile unsigned char SCMD; |
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unsigned char pad4[4]; |
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volatile unsigned short BANK; |
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unsigned char pad5[6]; |
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volatile unsigned long ACR; |
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volatile unsigned short secret1; /* store 0 here */ |
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volatile unsigned short ST_DMA; |
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volatile unsigned short SP_DMA; |
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volatile unsigned short secret2; /* store 1 here */ |
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volatile unsigned short secret3; /* store 15 here */ |
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}; |
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/* bits in CNTR */ |
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#define GVP11_DMAC_BUSY (1<<0) |
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#define GVP11_DMAC_INT_PENDING (1<<1) |
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#define GVP11_DMAC_INT_ENABLE (1<<3) |
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#define GVP11_DMAC_DIR_WRITE (1<<4) |
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#endif /* GVP11_H */
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