2005-04-16 15:20:36 -07:00
/*
* 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
2013-03-31 13:24:44 -04:00
# define NCR5380_show_info atari_scsi_show_info
2005-04-16 15:20:36 -07:00
# 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 */
