kernel/blk_drv/scsi/7000fasst.h

/* */
   1 #ifndef _WD7000FASST_H
   2 
   3 /* $Id: 7000fasst.h,v 1.1 1992/07/24 06:27:38 root Exp root $
   4  *
   5  * Header file for the WD 7000-FASST driver for Linux
   6  *
   7  * $Log: 7000fasst.h,v $
   8  * Revision 1.1  1992/07/24  06:27:38  root
   9  * Initial revision
  10  *
  11  * Revision 1.1  1992/07/05  08:32:32  root
  12  * Initial revision
  13  *
  14  * Revision 1.1  1992/05/15  18:38:05  root
  15  * Initial revision
  16  *
  17  * Revision 1.1  1992/04/02  03:23:13  drew
  18  * Initial revision
  19  *
  20  * Revision 1.3  1992/01/27  14:46:29  tthorn
  21  * *** empty log message ***
  22  *
  23  */
  24 
  25 #include <linux/types.h>
  26 
  27 #undef STATMASK
  28 #undef CONTROL
  29 
  30 #define io_base         0x350
  31 #define intr_chan       15
  32 #define dma_chan        6
  33 #define OGMB_CNT        8
  34 #define ICMB_CNT        8
  35 
  36 /* I/O Port interface 4.2 */
  37 /* READ */
  38 #define ASC_STAT io_base
  39 #define INT_IM  0x80            /* Interrupt Image Flag */
  40 #define CMD_RDY 0x40            /* Command Port Ready */
  41 #define CMD_REJ 0x20            /* Command Port Byte Rejected */
  42 #define ASC_INI 0x10            /* ASC Initialized Flag */
  43 #define STATMASK 0xf0           /* The lower 4 Bytes are reserved */
  44 
  45 /* This register saves two purposes
  46  * Diagnostics error
  47  * Interrupt Status
  48  */
  49 #define INTR_STAT ASC_STAT+1
  50 #define ANYINTR 0x80            /* Mailbox Service possible/required */
  51 #define IMB     0x40            /* 1 Incoming / 0 Outgoing */
  52 #define MBMASK 0x3f
  53 /* if MSB is zero, the content of the lower ones keeps Diagnostic State *
  54  * 00   Power-on, no diagnostics executed
  55  * 01   No diagnostic Error Occured
  56  * 02   RAM Failed
  57  * 03   FIFO R/W Failed
  58  * ...
  59 */
  60 
  61 /* WRITE */
  62 #define COMMAND ASC_STAT
  63 
  64 #define INTR_ACK ASC_STAT+1
  65 
  66 
  67 #define CONTROL ASC_STAT+2
  68 #define INT_EN  0x08            /* Interrupt Enable     */
  69 #define DMA_EN  0x04            /* DMA Enable           */
  70 #define SCSI_RES        0x02    /* SCSI Reset           */
  71 #define ASC_RES 0x01            /* ASC Reset            */
  72 
  73 /* The DMA-Controller */
  74 #define DMA_MODE_REG    0xd6
  75 #define DMA_MASK_REG    0xd4
  76 #define S_DMA_MSK       0x04
  77 #define DMA_CH          0x02
  78 #define CASCADE         0xc0
  79 
  80 /* Mailbox Definition 5.3 */
  81 
  82 /* These belong in scsi.h also */
  83 #undef any2scsi
  84 #define any2scsi(up, p)                 \
  85 (up)[0] = (((long)(p)) >> 16);  \
  86 (up)[1] = ((long)(p)) >> 8;             \
  87 (up)[2] = ((long)(p));
  88 
  89 #define scsi2int(up) ( (((long)*(up)) << 16) + (((long)(up)[1]) << 8) + ((long)(up)[2]) )
  90 
  91 #define xany2scsi(up, p)        \
  92 (up)[0] = ((long)(p)) >> 24;    \
  93 (up)[1] = ((long)(p)) >> 16;    \
  94 (up)[2] = ((long)(p)) >> 8;     \
  95 (up)[3] = ((long)(p));
  96 
  97 #define xscsi2int(up) ( (((long)(up)[0]) << 24) + (((long)(up)[1]) << 16) \
  98                       + (((long)(up)[2]) <<  8) +  ((long)(up)[3]) )
  99 
 100 #define MAX_CDB 12
 101 #define MAX_SENSE 14
 102 
 103 struct scb {                    /* Command Control Block 5.4.1 */
 104   unchar op;                    /* Command Control Block Operation Code */
 105   unchar idlun;                 /* op=0,2:Target Id, op=1:Initiator Id */
 106                                 /* Outbound data transfer, length is checked*/
 107                                 /* Inbound data transfer, length is checked */
 108                                 /* Logical Unit Number */
 109   unchar scbdata[12];           /* SCSI Command Block */
 110   unchar sretstat;              /* SCSI Return Status */
 111   unchar vue;                   /* Vendor Unique Error Code */
 112   unchar maxdata[3];            /* Maximum Data Transfer Length */
 113   unchar dataptr[3];            /* SCSI Data Block Pointer */
 114   unchar linkptr[3];            /* Next Command Link Pointer */
 115   unchar direc;                 /* Transfer Direction */
 116   unchar reserved2[6];          /* SCSI Command Descriptor Block */
 117                                 /* REQUEST SENSE */
 118 };
 119 
 120 int wd7000fasst_detect(int);
 121 int wd7000fasst_command(unsigned char target, const void *cmnd, void *buff, int bufflen);
 122 int wd7000fasst_queuecommand(unchar target, const void *cmnd, void *buff, int bufflen, void (*done)(int,int));
 123 int wd7000fasst_abort(int);
 124 char *wd7000fasst_info(void);
 125 int wd7000fasst_reset(void);
 126 
 127 #ifndef NULL
 128         #define NULL 0
 129 #endif
 130 
 131 #define WD7000FASST {"Western Digital 7000FASST", wd7000fasst_detect,   \
 132                 wd7000fasst_info, wd7000fasst_command,          \
 133                 wd7000fasst_queuecommand,               \
 134                 wd7000fasst_abort,                              \
 135                 wd7000fasst_reset,                              \
 136                 1, 7, 0}
 137 #endif
/* */
root/kernel/blk_drv/scsi/7000fasst.h

INCLUDED FROM
