projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 1da177e4 LT |
2 | #ifndef GVP11_H |
| 3 | ||
| 4 | /* $Id: gvp11.h,v 1.4 1997/01/19 23:07:12 davem Exp $ | |
| 5 | * | |
| 6 | * Header file for the GVP Series II SCSI controller for Linux | |
| 7 | * | |
| 8 | * Written and (C) 1993, Ralf Baechle, see gvp11.c for more info | |
| 9 | * based on a2091.h (C) 1993 by Hamish Macdonald | |
| 10 | * | |
| 11 | */ | |
| 12 | ||
| 13 | #include <linux/types.h> | |
| 14 | ||
| 1da177e4 | 15 | #ifndef CMD_PER_LUN |
| bb17b787 | 16 | #define CMD_PER_LUN 2 |
| 1da177e4 LT |
17 | #endif |
| 18 | ||
| 19 | #ifndef CAN_QUEUE | |
| bb17b787 | 20 | #define CAN_QUEUE 16 |
| 1da177e4 LT |
21 | #endif |
| 22 | ||
| 1da177e4 LT |
23 | /* |
| 24 | * if the transfer address ANDed with this results in a non-zero | |
| 25 | * result, then we can't use DMA. | |
| 26 | */ | |
| bb17b787 | 27 | #define GVP11_XFER_MASK (0xff000001) |
| 1da177e4 | 28 | |
| 349d65fd | 29 | struct gvp11_scsiregs { |
| bb17b787 GU |
30 | unsigned char pad1[64]; |
| 31 | volatile unsigned short CNTR; | |
| 32 | unsigned char pad2[31]; | |
| 33 | volatile unsigned char SASR; | |
| 34 | unsigned char pad3; | |
| 35 | volatile unsigned char SCMD; | |
| 36 | unsigned char pad4[4]; | |
| 37 | volatile unsigned short BANK; | |
| 38 | unsigned char pad5[6]; | |
| 39 | volatile unsigned long ACR; | |
| 40 | volatile unsigned short secret1; /* store 0 here */ | |
| 41 | volatile unsigned short ST_DMA; | |
| 42 | volatile unsigned short SP_DMA; | |
| 43 | volatile unsigned short secret2; /* store 1 here */ | |
| 44 | volatile unsigned short secret3; /* store 15 here */ | |
| 349d65fd | 45 | }; |
| 1da177e4 LT |
46 | |
| 47 | /* bits in CNTR */ | |
| 48 | #define GVP11_DMAC_BUSY (1<<0) | |
| 49 | #define GVP11_DMAC_INT_PENDING (1<<1) | |
| 50 | #define GVP11_DMAC_INT_ENABLE (1<<3) | |
| 51 | #define GVP11_DMAC_DIR_WRITE (1<<4) | |
| 52 | ||
| 1da177e4 | 53 | #endif /* GVP11_H */ |