drivers/scsi/a2091.h

/* */
   1 #ifndef A2091_H
   2 
   3 /* $Id: a2091.h,v 1.4 1996/04/25 20:57:48 root Exp root $
   4  *
   5  * Header file for the Commodore A2091 Zorro II SCSI controller for Linux
   6  *
   7  * Written and (C) 1993, Hamish Macdonald, see a2091.c for more info
   8  *
   9  */
  10 
  11 #include <linux/types.h>
  12 
  13 int a2091_detect(Scsi_Host_Template *);
  14 const char *wd33c93_info(void);
  15 int wd33c93_queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
  16 int wd33c93_abort(Scsi_Cmnd *);
  17 int wd33c93_reset(Scsi_Cmnd *, unsigned int);
  18 
  19 #ifndef NULL
  20 #define NULL 0
  21 #endif
  22 
  23 #ifndef CMD_PER_LUN
  24 #define CMD_PER_LUN 2
  25 #endif
  26 
  27 #ifndef CAN_QUEUE
  28 #define CAN_QUEUE 16
  29 #endif
  30 
  31 #ifdef HOSTS_C
  32 
  33 extern struct proc_dir_entry proc_scsi_a2091;
  34 
  35 #define A2091_SCSI {  /* next */                NULL,            \
  36                       /* usage_count */         NULL,            \
  37                       /* proc_dir_entry */      &proc_scsi_a2091, \
  38                       /* proc_info */           NULL,            \
  39                       /* name */                "Commodore A2091/A590 SCSI", \
  40                       /* detect */              a2091_detect,    \
  41                       /* release */             NULL,            \
  42                       /* info */                NULL,            \
  43                       /* command */             NULL,            \
  44                       /* queuecommand */        wd33c93_queuecommand, \
  45                       /* abort */               wd33c93_abort,   \
  46                       /* reset */               wd33c93_reset,   \
  47                       /* slave_attach */        NULL,            \
  48                       /* bios_param */          NULL,            \
  49                       /* can_queue */           CAN_QUEUE,       \
  50                       /* this_id */             7,               \
  51                       /* sg_tablesize */        SG_ALL,          \
  52                       /* cmd_per_lun */         CMD_PER_LUN,     \
  53                       /* present */             0,               \
  54                       /* unchecked_isa_dma */   0,               \
  55                       /* use_clustering */      DISABLE_CLUSTERING }
  56 #else
  57 
  58 /*
  59  * if the transfer address ANDed with this results in a non-zero
  60  * result, then we can't use DMA.
  61  */ 
  62 #define A2091_XFER_MASK  (0xff000001)
  63 
  64 typedef struct {
  65              unsigned char      pad1[64];
  66     volatile unsigned short     ISTR;
  67     volatile unsigned short     CNTR;
  68              unsigned char      pad2[60];
  69     volatile unsigned int       WTC;
  70     volatile unsigned long      ACR;
  71              unsigned char      pad3[6];
  72     volatile unsigned short     DAWR;
  73              unsigned char      pad4;
  74     volatile unsigned char      SASR;
  75              unsigned char      pad5;
  76     volatile unsigned char      SCMD;
  77              unsigned char      pad6[76];
  78     volatile unsigned short     ST_DMA;
  79     volatile unsigned short     SP_DMA;
  80     volatile unsigned short     CINT;
  81              unsigned char      pad7[2];
  82     volatile unsigned short     FLUSH;
  83 } a2091_scsiregs;
  84 
  85 #define DAWR_A2091              (3)
  86 
  87 /* CNTR bits. */
  88 #define CNTR_TCEN               (1<<7)
  89 #define CNTR_PREST              (1<<6)
  90 #define CNTR_PDMD               (1<<5)
  91 #define CNTR_INTEN              (1<<4)
  92 #define CNTR_DDIR               (1<<3)
  93 
  94 /* ISTR bits. */
  95 #define ISTR_INTX               (1<<8)
  96 #define ISTR_INT_F              (1<<7)
  97 #define ISTR_INTS               (1<<6)
  98 #define ISTR_E_INT              (1<<5)
  99 #define ISTR_INT_P              (1<<4)
 100 #define ISTR_UE_INT             (1<<3)
 101 #define ISTR_OE_INT             (1<<2)
 102 #define ISTR_FF_FLG             (1<<1)
 103 #define ISTR_FE_FLG             (1<<0)
 104 
 105 #endif /* else def HOSTS_C */
 106 
 107 #endif /* A2091_H */
/* */
root/drivers/scsi/a2091.h

INCLUDED FROM
