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1.1 root 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
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