i386/linux-2.3.21/drivers/acorn/scsi/cumana_2.h

   1 /*
   2  * Cumana SCSI II driver
   3  *
   4  * Copyright (C) 1997-1998 Russell King
   5  */
   6 #ifndef CUMANA_2_H
   7 #define CUMANA_2_H
   8
   9 extern int cumanascsi_2_detect (Scsi_Host_Template *);
  10 extern int cumanascsi_2_release (struct Scsi_Host *);
  11 extern const char *cumanascsi_2_info (struct Scsi_Host *);
  12 extern int cumanascsi_2_proc_info (char *buffer, char **start, off_t offset,
  13                                         int length, int hostno, int inout);
  14
  15 #ifndef NULL
  16 #define NULL ((void *)0)
  17 #endif
  18
  19 #ifndef CAN_QUEUE
  20 /*
  21  * Default queue size
  22  */
  23 #define CAN_QUEUE       1
  24 #endif
  25
  26 #ifndef SCSI_ID
  27 /*
  28  * Default SCSI host ID
  29  */
  30 #define SCSI_ID         7
  31 #endif
  32
  33 #include <scsi/scsicam.h>
  34
  35 #ifndef HOSTS_C
  36 #include "fas216.h"
  37 #endif
  38
  39 #define CUMANASCSI_2 {                                                  \
  40 proc_info:              cumanascsi_2_proc_info,                         \
  41 name:                   "Cumana SCSI II",                               \
  42 detect:                 cumanascsi_2_detect,    /* detect               */      \
  43 release:                cumanascsi_2_release,   /* release              */      \
  44 info:                   cumanascsi_2_info,      /* info                 */      \
  45 command:                fas216_command,         /* command              */      \
  46 queuecommand:           fas216_queue_command,   /* queuecommand         */      \
  47 abort:                  fas216_abort,           /* abort                */      \
  48 reset:                  fas216_reset,           /* reset                */      \
  49 bios_param:             scsicam_bios_param,     /* biosparam            */      \
  50 can_queue:              CAN_QUEUE,              /* can queue            */      \
  51 this_id:                SCSI_ID,                /* scsi host id         */      \
  52 sg_tablesize:           SG_ALL,                 /* sg_tablesize         */      \
  53 cmd_per_lun:            CAN_QUEUE,              /* cmd per lun          */      \
  54 unchecked_isa_dma:      0,                      /* unchecked isa dma    */      \
  55 use_clustering:         DISABLE_CLUSTERING                                      \
  56         }
  57
  58 #ifndef HOSTS_C
  59
  60 #include <asm/dma.h>
  61
  62 #define NR_SG   256
  63
  64 typedef struct {
  65         FAS216_Info info;
  66
  67         /* other info... */
  68         unsigned int    status;         /* card status register */
  69         unsigned int    alatch;         /* Control register     */
  70         unsigned int    terms;          /* Terminator state     */
  71         unsigned int    dmaarea;        /* Pseudo DMA area      */
  72         dmasg_t         dmasg[NR_SG];   /* Scatter DMA list     */
  73 } CumanaScsi2_Info;
  74
  75 #define CSTATUS_IRQ     (1 << 0)
  76 #define CSTATUS_DRQ     (1 << 1)
  77
  78 #endif /* HOSTS_C */
  79
  80 #endif /* CUMANASCSI_2_H */