drivers/scsi/gvp11.h

   1 #ifndef GVP11_H
   2
   3 /* $Id: gvp11.h,v 1.4 1997/01/19 23:07:12 davem Exp $
   4  *
   5  * Header file for the GVP Series II SCSI controller for Linux
   6  *
   7  * Written and (C) 1993, Ralf Baechle, see gvp11.c for more info
   8  * based on a2091.h (C) 1993 by Hamish Macdonald
   9  *
  10  */
  11
  12 #include <linux/types.h>
  13
  14 int gvp11_detect(Scsi_Host_Template *);
  15 int gvp11_release(struct Scsi_Host *);
  16 const char *wd33c93_info(void);
  17 int wd33c93_queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
  18 int wd33c93_abort(Scsi_Cmnd *);
  19 int wd33c93_reset(Scsi_Cmnd *, unsigned int);
  20
  21 #ifndef NULL
  22 #define NULL 0
  23 #endif
  24
  25 #ifndef CMD_PER_LUN
  26 #define CMD_PER_LUN 2
  27 #endif
  28
  29 #ifndef CAN_QUEUE
  30 #define CAN_QUEUE 16
  31 #endif
  32
  33 #ifdef HOSTS_C
  34
  35 #define GVP11_SCSI {  proc_name:           "GVP11", \
  36                       name:                "GVP Series II SCSI", \
  37                       detect:              gvp11_detect,    \
  38                       release:             gvp11_release,   \
  39                       queuecommand:        wd33c93_queuecommand, \
  40                       abort:               wd33c93_abort,   \
  41                       reset:               wd33c93_reset,   \
  42                       can_queue:           CAN_QUEUE,       \
  43                       this_id:             7,               \
  44                       sg_tablesize:        SG_ALL,          \
  45                       cmd_per_lun:         CMD_PER_LUN,     \
  46                       use_clustering:      DISABLE_CLUSTERING }
  47 #else
  48
  49 /*
  50  * if the transfer address ANDed with this results in a non-zero
  51  * result, then we can't use DMA.
  52  */
  53 #define GVP11_XFER_MASK  (0xff000001)
  54
  55 typedef struct {
  56              unsigned char      pad1[64];
  57     volatile unsigned short     CNTR;
  58              unsigned char      pad2[31];
  59     volatile unsigned char      SASR;
  60              unsigned char      pad3;
  61     volatile unsigned char      SCMD;
  62              unsigned char      pad4[4];
  63     volatile unsigned short     BANK;
  64              unsigned char      pad5[6];
  65     volatile unsigned long      ACR;
  66     volatile unsigned short     secret1; /* store 0 here */
  67     volatile unsigned short     ST_DMA;
  68     volatile unsigned short     SP_DMA;
  69     volatile unsigned short     secret2; /* store 1 here */
  70     volatile unsigned short     secret3; /* store 15 here */
  71 } gvp11_scsiregs;
  72
  73 /* bits in CNTR */
  74 #define GVP11_DMAC_BUSY         (1<<0)
  75 #define GVP11_DMAC_INT_PENDING  (1<<1)
  76 #define GVP11_DMAC_INT_ENABLE   (1<<3)
  77 #define GVP11_DMAC_DIR_WRITE    (1<<4)
  78
  79 #endif /* else def HOSTS_C */
  80
  81 #endif /* GVP11_H */