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(struct 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 CMD_PER_LUN
  22 #define CMD_PER_LUN 2
  23 #endif
  24
  25 #ifndef CAN_QUEUE
  26 #define CAN_QUEUE 16
  27 #endif
  28
  29 #ifndef HOSTS_C
  30
  31 /*
  32  * if the transfer address ANDed with this results in a non-zero
  33  * result, then we can't use DMA.
  34  */
  35 #define GVP11_XFER_MASK  (0xff000001)
  36
  37 typedef struct {
  38              unsigned char      pad1[64];
  39     volatile unsigned short     CNTR;
  40              unsigned char      pad2[31];
  41     volatile unsigned char      SASR;
  42              unsigned char      pad3;
  43     volatile unsigned char      SCMD;
  44              unsigned char      pad4[4];
  45     volatile unsigned short     BANK;
  46              unsigned char      pad5[6];
  47     volatile unsigned long      ACR;
  48     volatile unsigned short     secret1; /* store 0 here */
  49     volatile unsigned short     ST_DMA;
  50     volatile unsigned short     SP_DMA;
  51     volatile unsigned short     secret2; /* store 1 here */
  52     volatile unsigned short     secret3; /* store 15 here */
  53 } gvp11_scsiregs;
  54
  55 /* bits in CNTR */
  56 #define GVP11_DMAC_BUSY         (1<<0)
  57 #define GVP11_DMAC_INT_PENDING  (1<<1)
  58 #define GVP11_DMAC_INT_ENABLE   (1<<3)
  59 #define GVP11_DMAC_DIR_WRITE    (1<<4)
  60
  61 #endif /* else def HOSTS_C */
  62
  63 #endif /* GVP11_H */