projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * atari_scsi.h -- Header file for the Atari native SCSI driver | |
| 3 | * | |
| 4 | * Copyright 1994 Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de> | |
| 5 | * | |
| 6 | * (Loosely based on the work of Robert De Vries' team) | |
| 7 | * | |
| 8 | * This file is subject to the terms and conditions of the GNU General Public | |
| 9 | * License. See the file COPYING in the main directory of this archive | |
| 10 | * for more details. | |
| 11 | * | |
| 12 | */ | |
| 13 | ||
| 14 | ||
| 15 | #ifndef ATARI_SCSI_H | |
| 16 | #define ATARI_SCSI_H | |
| 17 | ||
| 18 | /* (I_HAVE_OVERRUNS stuff removed) */ | |
| 19 | ||
| 20 | #ifndef ASM | |
| 1da177e4 LT |
21 | /* The values for CMD_PER_LUN and CAN_QUEUE are somehow arbitrary. Higher |
| 22 | * values should work, too; try it! (but cmd_per_lun costs memory!) */ | |
| 23 | ||
| 24 | /* But there seems to be a bug somewhere that requires CAN_QUEUE to be | |
| 25 | * 2*CMD_PER_LUN. At least on a TT, no spurious timeouts seen since | |
| 26 | * changed CMD_PER_LUN... */ | |
| 27 | ||
| 28 | /* Note: The Falcon currently uses 8/1 setting due to unsolved problems with | |
| 29 | * cmd_per_lun != 1 */ | |
| 30 | ||
| 31 | #define ATARI_TT_CAN_QUEUE 16 | |
| 32 | #define ATARI_TT_CMD_PER_LUN 8 | |
| 33 | #define ATARI_TT_SG_TABLESIZE SG_ALL | |
| 34 | ||
| 35 | #define ATARI_FALCON_CAN_QUEUE 8 | |
| 36 | #define ATARI_FALCON_CMD_PER_LUN 1 | |
| 37 | #define ATARI_FALCON_SG_TABLESIZE SG_NONE | |
| 38 | ||
| 39 | #define DEFAULT_USE_TAGGED_QUEUING 0 | |
| 40 | ||
| 41 | ||
| 42 | #define NCR5380_implementation_fields /* none */ | |
| 43 | ||
| 44 | #define NCR5380_read(reg) atari_scsi_reg_read( reg ) | |
| 45 | #define NCR5380_write(reg, value) atari_scsi_reg_write( reg, value ) | |
| 46 | ||
| 47 | #define NCR5380_intr atari_scsi_intr | |
| 48 | #define NCR5380_queue_command atari_scsi_queue_command | |
| 49 | #define NCR5380_abort atari_scsi_abort | |
| d89537e1 | 50 | #define NCR5380_show_info atari_scsi_show_info |
| 1da177e4 LT |
51 | #define NCR5380_dma_read_setup(inst,d,c) atari_scsi_dma_setup (inst, d, c, 0) |
| 52 | #define NCR5380_dma_write_setup(inst,d,c) atari_scsi_dma_setup (inst, d, c, 1) | |
| 53 | #define NCR5380_dma_residual(inst) atari_scsi_dma_residual( inst ) | |
| 54 | #define NCR5380_dma_xfer_len(i,cmd,phase) \ | |
| 55 | atari_dma_xfer_len(cmd->SCp.this_residual,cmd,((phase) & SR_IO) ? 0 : 1) | |
| 56 | ||
| 1da177e4 LT |
57 | #endif /* ndef ASM */ |
| 58 | #endif /* ATARI_SCSI_H */ | |
| 59 | ||
| 60 |