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/*
* 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_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 */
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