| /* |
| * atari_scsi.h -- Header file for the Atari native SCSI driver |
| * |
| * Copyright 1994 Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de> |
| * |
| * (Loosely based on the work of Robert De Vries' team) |
| * |
| * This file is subject to the terms and conditions of the GNU General Public |
| * License. See the file COPYING in the main directory of this archive |
| * for more details. |
| * |
| */ |
| |
| |
| #ifndef ATARI_SCSI_H |
| #define ATARI_SCSI_H |
| |
| /* (I_HAVE_OVERRUNS stuff removed) */ |
| |
| #ifndef ASM |
| /* The values for CMD_PER_LUN and CAN_QUEUE are somehow arbitrary. Higher |
| * values should work, too; try it! (but cmd_per_lun costs memory!) */ |
| |
| /* But there seems to be a bug somewhere that requires CAN_QUEUE to be |
| * 2*CMD_PER_LUN. At least on a TT, no spurious timeouts seen since |
| * changed CMD_PER_LUN... */ |
| |
| /* Note: The Falcon currently uses 8/1 setting due to unsolved problems with |
| * cmd_per_lun != 1 */ |
| |
| #define ATARI_TT_CAN_QUEUE 16 |
| #define ATARI_TT_CMD_PER_LUN 8 |
| #define ATARI_TT_SG_TABLESIZE SG_ALL |
| |
| #define ATARI_FALCON_CAN_QUEUE 8 |
| #define ATARI_FALCON_CMD_PER_LUN 1 |
| #define ATARI_FALCON_SG_TABLESIZE SG_NONE |
| |
| #define DEFAULT_USE_TAGGED_QUEUING 0 |
| |
| |
| #define NCR5380_implementation_fields /* none */ |
| |
| #define NCR5380_read(reg) atari_scsi_reg_read( reg ) |
| #define NCR5380_write(reg, value) atari_scsi_reg_write( reg, value ) |
| |
| #define NCR5380_intr atari_scsi_intr |
| #define NCR5380_queue_command atari_scsi_queue_command |
| #define NCR5380_abort atari_scsi_abort |
| #define NCR5380_show_info atari_scsi_show_info |
| #define NCR5380_dma_read_setup(inst,d,c) atari_scsi_dma_setup (inst, d, c, 0) |
| #define NCR5380_dma_write_setup(inst,d,c) atari_scsi_dma_setup (inst, d, c, 1) |
| #define NCR5380_dma_residual(inst) atari_scsi_dma_residual( inst ) |
| #define NCR5380_dma_xfer_len(i,cmd,phase) \ |
| atari_dma_xfer_len(cmd->SCp.this_residual,cmd,((phase) & SR_IO) ? 0 : 1) |
| |
| #endif /* ndef ASM */ |
| #endif /* ATARI_SCSI_H */ |
| |
| |
