185 строки
5.7 KiB
C
185 строки
5.7 KiB
C
/*
|
|
* 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
|
|
int atari_scsi_detect (struct scsi_host_template *);
|
|
const char *atari_scsi_info (struct Scsi_Host *);
|
|
int atari_scsi_reset (Scsi_Cmnd *, unsigned int);
|
|
int atari_scsi_release (struct Scsi_Host *);
|
|
|
|
/* 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_proc_info atari_scsi_proc_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)
|
|
|
|
/* former generic SCSI error handling stuff */
|
|
|
|
#define SCSI_ABORT_SNOOZE 0
|
|
#define SCSI_ABORT_SUCCESS 1
|
|
#define SCSI_ABORT_PENDING 2
|
|
#define SCSI_ABORT_BUSY 3
|
|
#define SCSI_ABORT_NOT_RUNNING 4
|
|
#define SCSI_ABORT_ERROR 5
|
|
|
|
#define SCSI_RESET_SNOOZE 0
|
|
#define SCSI_RESET_PUNT 1
|
|
#define SCSI_RESET_SUCCESS 2
|
|
#define SCSI_RESET_PENDING 3
|
|
#define SCSI_RESET_WAKEUP 4
|
|
#define SCSI_RESET_NOT_RUNNING 5
|
|
#define SCSI_RESET_ERROR 6
|
|
|
|
#define SCSI_RESET_SYNCHRONOUS 0x01
|
|
#define SCSI_RESET_ASYNCHRONOUS 0x02
|
|
#define SCSI_RESET_SUGGEST_BUS_RESET 0x04
|
|
#define SCSI_RESET_SUGGEST_HOST_RESET 0x08
|
|
|
|
#define SCSI_RESET_BUS_RESET 0x100
|
|
#define SCSI_RESET_HOST_RESET 0x200
|
|
#define SCSI_RESET_ACTION 0xff
|
|
|
|
/* Debugging printk definitions:
|
|
*
|
|
* ARB -> arbitration
|
|
* ASEN -> auto-sense
|
|
* DMA -> DMA
|
|
* HSH -> PIO handshake
|
|
* INF -> information transfer
|
|
* INI -> initialization
|
|
* INT -> interrupt
|
|
* LNK -> linked commands
|
|
* MAIN -> NCR5380_main() control flow
|
|
* NDAT -> no data-out phase
|
|
* NWR -> no write commands
|
|
* PIO -> PIO transfers
|
|
* PDMA -> pseudo DMA (unused on Atari)
|
|
* QU -> queues
|
|
* RSL -> reselections
|
|
* SEL -> selections
|
|
* USL -> usleep cpde (unused on Atari)
|
|
* LBS -> last byte sent (unused on Atari)
|
|
* RSS -> restarting of selections
|
|
* EXT -> extended messages
|
|
* ABRT -> aborting and resetting
|
|
* TAG -> queue tag handling
|
|
* MER -> merging of consec. buffers
|
|
*
|
|
*/
|
|
|
|
#define dprint(flg, format...) \
|
|
({ \
|
|
if (NDEBUG & (flg)) \
|
|
printk(KERN_DEBUG format); \
|
|
})
|
|
|
|
#define ARB_PRINTK(format, args...) \
|
|
dprint(NDEBUG_ARBITRATION, format , ## args)
|
|
#define ASEN_PRINTK(format, args...) \
|
|
dprint(NDEBUG_AUTOSENSE, format , ## args)
|
|
#define DMA_PRINTK(format, args...) \
|
|
dprint(NDEBUG_DMA, format , ## args)
|
|
#define HSH_PRINTK(format, args...) \
|
|
dprint(NDEBUG_HANDSHAKE, format , ## args)
|
|
#define INF_PRINTK(format, args...) \
|
|
dprint(NDEBUG_INFORMATION, format , ## args)
|
|
#define INI_PRINTK(format, args...) \
|
|
dprint(NDEBUG_INIT, format , ## args)
|
|
#define INT_PRINTK(format, args...) \
|
|
dprint(NDEBUG_INTR, format , ## args)
|
|
#define LNK_PRINTK(format, args...) \
|
|
dprint(NDEBUG_LINKED, format , ## args)
|
|
#define MAIN_PRINTK(format, args...) \
|
|
dprint(NDEBUG_MAIN, format , ## args)
|
|
#define NDAT_PRINTK(format, args...) \
|
|
dprint(NDEBUG_NO_DATAOUT, format , ## args)
|
|
#define NWR_PRINTK(format, args...) \
|
|
dprint(NDEBUG_NO_WRITE, format , ## args)
|
|
#define PIO_PRINTK(format, args...) \
|
|
dprint(NDEBUG_PIO, format , ## args)
|
|
#define PDMA_PRINTK(format, args...) \
|
|
dprint(NDEBUG_PSEUDO_DMA, format , ## args)
|
|
#define QU_PRINTK(format, args...) \
|
|
dprint(NDEBUG_QUEUES, format , ## args)
|
|
#define RSL_PRINTK(format, args...) \
|
|
dprint(NDEBUG_RESELECTION, format , ## args)
|
|
#define SEL_PRINTK(format, args...) \
|
|
dprint(NDEBUG_SELECTION, format , ## args)
|
|
#define USL_PRINTK(format, args...) \
|
|
dprint(NDEBUG_USLEEP, format , ## args)
|
|
#define LBS_PRINTK(format, args...) \
|
|
dprint(NDEBUG_LAST_BYTE_SENT, format , ## args)
|
|
#define RSS_PRINTK(format, args...) \
|
|
dprint(NDEBUG_RESTART_SELECT, format , ## args)
|
|
#define EXT_PRINTK(format, args...) \
|
|
dprint(NDEBUG_EXTENDED, format , ## args)
|
|
#define ABRT_PRINTK(format, args...) \
|
|
dprint(NDEBUG_ABORT, format , ## args)
|
|
#define TAG_PRINTK(format, args...) \
|
|
dprint(NDEBUG_TAGS, format , ## args)
|
|
#define MER_PRINTK(format, args...) \
|
|
dprint(NDEBUG_MERGING, format , ## args)
|
|
|
|
/* conditional macros for NCR5380_print_{,phase,status} */
|
|
|
|
#define NCR_PRINT(mask) \
|
|
((NDEBUG & (mask)) ? NCR5380_print(instance) : (void)0)
|
|
|
|
#define NCR_PRINT_PHASE(mask) \
|
|
((NDEBUG & (mask)) ? NCR5380_print_phase(instance) : (void)0)
|
|
|
|
#define NCR_PRINT_STATUS(mask) \
|
|
((NDEBUG & (mask)) ? NCR5380_print_status(instance) : (void)0)
|
|
|
|
|
|
#endif /* ndef ASM */
|
|
#endif /* ATARI_SCSI_H */
|
|
|
|
|