diff options
Diffstat (limited to 'drivers/scsi/mac_scsi.h')
| -rw-r--r-- | drivers/scsi/mac_scsi.h | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/drivers/scsi/mac_scsi.h b/drivers/scsi/mac_scsi.h new file mode 100644 index 000000000..da186f9d4 --- /dev/null +++ b/drivers/scsi/mac_scsi.h @@ -0,0 +1,286 @@ +/* + * mac_scsi.h -- Header file for the Macintosh native SCSI driver + * + * based on Roman Hodeks atari_scsi.h + */ + +/* + * 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 MAC_SCSI_H +#define MAC_SCSI_H + +/* (I_HAVE_OVERRUNS stuff removed) */ + +#ifndef ASM +int mac_scsi_abort (Scsi_Cmnd *); +int mac_scsi_detect (Scsi_Host_Template *); +const char * mac_scsi_info (struct Scsi_Host *host); +int mac_scsi_queue_command (Scsi_Cmnd *, void (*done) (Scsi_Cmnd *)); +int mac_scsi_reset (Scsi_Cmnd *, unsigned int); +int mac_scsi_proc_info (char *, char **, off_t, int, int, int); +#ifdef MODULE +int mac_scsi_release (struct Scsi_Host *); +#else +#define mac_scsi_release NULL +#endif + +/* 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 MAC_SCSI_CAN_QUEUE 16 +#define MAC_SCSI_CMD_PER_LUN 8 +#define MAC_SCSI_SG_TABLESIZE SG_ALL + +#define DEFAULT_USE_TAGGED_QUEUING 0 + + +#if defined (HOSTS_C) || defined (MODULE) + +#define MAC_SCSI { NULL, NULL, NULL, \ + mac_scsi_proc_info, \ + "Macintosh NCR5380 SCSI", \ + mac_scsi_detect, \ + mac_scsi_release, \ + mac_scsi_info, \ + /* command */ NULL, \ + mac_scsi_queue_command, \ + mac_scsi_abort, \ + mac_scsi_reset, \ + /* slave_attach */ NULL, \ + /* bios_param */ NULL, \ + /* can queue */ 0, /* initialized at run-time */ \ + /* host_id */ 0, /* initialized at run-time */ \ + /* scatter gather */ 0, /* initialized at run-time */ \ + /* cmd per lun */ 0, /* initialized at run-time */ \ + /* present */ 0, \ + /* unchecked ISA DMA */ 0, \ + /* use_clustering */ DISABLE_CLUSTERING } + +#endif + +#ifndef HOSTS_C + +#define NCR5380_implementation_fields /* none */ + +#define NCR5380_read(reg) mac_scsi_reg_read( reg ) +#define NCR5380_write(reg, value) mac_scsi_reg_write( reg, value ) + +#define NCR5380_intr mac_scsi_intr +#define NCR5380_queue_command mac_scsi_queue_command +#define NCR5380_abort mac_scsi_abort +#define NCR5380_proc_info mac_scsi_proc_info +#define NCR5380_dma_read_setup(inst,d,c) mac_scsi_dma_setup (inst, d, c, 0) +#define NCR5380_dma_write_setup(inst,d,c) mac_scsi_dma_setup (inst, d, c, 1) +#define NCR5380_dma_residual(inst) mac_scsi_dma_residual( inst ) +#define NCR5380_dma_xfer_len(i,cmd,phase) \ + mac_dma_xfer_len(cmd->SCp.this_residual,cmd,((phase) & SR_IO) ? 0 : 1) +#ifdef PSEUDO_DMA +#define NCR5380_pread(inst,d,l) mac_pdma_read (inst, d, l) +#define NCR5380_pwrite(inst,d,l) mac_pdma_write (inst, d, l) +#endif + +/* 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 MAC) + * QU -> queues + * RSL -> reselections + * SEL -> selections + * USL -> usleep cpde (unused on MAC) + * LBS -> last byte sent (unused on MAC) + * RSS -> restarting of selections + * EXT -> extended messages + * ABRT -> aborting and resetting + * TAG -> queue tag handling + * MER -> merging of consec. buffers + * + */ + +#if NDEBUG & NDEBUG_ARBITRATION +#define ARB_PRINTK(format, args...) \ + printk(KERN_DEBUG format , ## args) +#else +#define ARB_PRINTK(format, args...) +#endif +#if NDEBUG & NDEBUG_AUTOSENSE +#define ASEN_PRINTK(format, args...) \ + printk(KERN_DEBUG format , ## args) +#else +#define ASEN_PRINTK(format, args...) +#endif +#if NDEBUG & NDEBUG_DMA +#define DMA_PRINTK(format, args...) \ + printk(KERN_DEBUG format , ## args) +#else +#define DMA_PRINTK(format, args...) +#endif +#if NDEBUG & NDEBUG_HANDSHAKE +#define HSH_PRINTK(format, args...) \ + printk(KERN_DEBUG format , ## args) +#else +#define HSH_PRINTK(format, args...) +#endif +#if NDEBUG & NDEBUG_INFORMATION +#define INF_PRINTK(format, args...) \ + printk(KERN_DEBUG format , ## args) +#else +#define INF_PRINTK(format, args...) +#endif +#if NDEBUG & NDEBUG_INIT +#define INI_PRINTK(format, args...) \ + printk(KERN_DEBUG format , ## args) +#else +#define INI_PRINTK(format, args...) +#endif +#if NDEBUG & NDEBUG_INTR +#define INT_PRINTK(format, args...) \ + printk(KERN_DEBUG format , ## args) +#else +#define INT_PRINTK(format, args...) +#endif +#if NDEBUG & NDEBUG_LINKED +#define LNK_PRINTK(format, args...) \ + printk(KERN_DEBUG format , ## args) +#else +#define LNK_PRINTK(format, args...) +#endif +#if NDEBUG & NDEBUG_MAIN +#define MAIN_PRINTK(format, args...) \ + printk(KERN_DEBUG format , ## args) +#else +#define MAIN_PRINTK(format, args...) +#endif +#if NDEBUG & NDEBUG_NO_DATAOUT +#define NDAT_PRINTK(format, args...) \ + printk(KERN_DEBUG format , ## args) +#else +#define NDAT_PRINTK(format, args...) +#endif +#if NDEBUG & NDEBUG_NO_WRITE +#define NWR_PRINTK(format, args...) \ + printk(KERN_DEBUG format , ## args) +#else +#define NWR_PRINTK(format, args...) +#endif +#if NDEBUG & NDEBUG_PIO +#define PIO_PRINTK(format, args...) \ + printk(KERN_DEBUG format , ## args) +#else +#define PIO_PRINTK(format, args...) +#endif +#if NDEBUG & NDEBUG_PSEUDO_DMA +#define PDMA_PRINTK(format, args...) \ + printk(KERN_DEBUG format , ## args) +#else +#define PDMA_PRINTK(format, args...) +#endif +#if NDEBUG & NDEBUG_QUEUES +#define QU_PRINTK(format, args...) \ + printk(KERN_DEBUG format , ## args) +#else +#define QU_PRINTK(format, args...) +#endif +#if NDEBUG & NDEBUG_RESELECTION +#define RSL_PRINTK(format, args...) \ + printk(KERN_DEBUG format , ## args) +#else +#define RSL_PRINTK(format, args...) +#endif +#if NDEBUG & NDEBUG_SELECTION +#define SEL_PRINTK(format, args...) \ + printk(KERN_DEBUG format , ## args) +#else +#define SEL_PRINTK(format, args...) +#endif +#if NDEBUG & NDEBUG_USLEEP +#define USL_PRINTK(format, args...) \ + printk(KERN_DEBUG format , ## args) +#else +#define USL_PRINTK(format, args...) +#endif +#if NDEBUG & NDEBUG_LAST_BYTE_SENT +#define LBS_PRINTK(format, args...) \ + printk(KERN_DEBUG format , ## args) +#else +#define LBS_PRINTK(format, args...) +#endif +#if NDEBUG & NDEBUG_RESTART_SELECT +#define RSS_PRINTK(format, args...) \ + printk(KERN_DEBUG format , ## args) +#else +#define RSS_PRINTK(format, args...) +#endif +#if NDEBUG & NDEBUG_EXTENDED +#define EXT_PRINTK(format, args...) \ + printk(KERN_DEBUG format , ## args) +#else +#define EXT_PRINTK(format, args...) +#endif +#if NDEBUG & NDEBUG_ABORT +#define ABRT_PRINTK(format, args...) \ + printk(KERN_DEBUG format , ## args) +#else +#define ABRT_PRINTK(format, args...) +#endif +#if NDEBUG & NDEBUG_TAGS +#define TAG_PRINTK(format, args...) \ + printk(KERN_DEBUG format , ## args) +#else +#define TAG_PRINTK(format, args...) +#endif +#if NDEBUG & NDEBUG_MERGING +#define MER_PRINTK(format, args...) \ + printk(KERN_DEBUG format , ## args) +#else +#define MER_PRINTK(format, args...) +#endif + +/* 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) + +#define NDEBUG_ANY 0xffffffff + + +#endif /* else def HOSTS_C */ +#endif /* ndef ASM */ +#endif /* MAC_SCSI_H */ + + |