summaryrefslogtreecommitdiff
path: root/sys/dev/isa/wdsreg.h
blob: 76ebabe02084f4658b9c2b47e375229a37dc4c2a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
typedef u_int8_t physaddr[3];
typedef u_int8_t physlen[3];
#define	ltophys	_lto3b
#define	phystol	_3btol

/* WD7000 registers */
#define WDS_STAT		0	/* read */
#define WDS_IRQSTAT		1	/* read */

#define WDS_CMD			0	/* write */
#define WDS_IRQACK		1	/* write */
#define WDS_HCR			2	/* write */

#define	WDS_IO_PORTS		8	/* size in I/O-space */

/* WDS_STAT (read) defs */
#define WDSS_IRQ		0x80
#define WDSS_RDY		0x40
#define WDSS_REJ		0x20
#define WDSS_INIT		0x10

/* WDS_IRQSTAT (read) defs */
#define WDSI_MASK		0xc0
#define WDSI_ERR		0x00
#define WDSI_MFREE		0x80
#define WDSI_MSVC		0xc0

/* WDS_CMD (write) defs */
#define WDSC_NOOP		0x00
#define WDSC_INIT		0x01
#define WDSC_DISUNSOL		0x02
#define WDSC_ENAUNSOL		0x03
#define WDSC_IRQMFREE		0x04
#define WDSC_SCSIRESETSOFT	0x05
#define WDSC_SCSIRESETHARD	0x06
#define WDSC_MSTART(m)		(0x80 + (m))
#define WDSC_MMSTART(m)		(0xc0 + (m))

/* WDS_HCR (write) defs */
#define WDSH_IRQEN		0x08
#define WDSH_DRQEN		0x04
#define WDSH_SCSIRESET		0x02
#define WDSH_ASCRESET		0x01

#define WDS_NSEG	17

struct wds_scat_gath {
	physlen seg_len;
	physaddr seg_addr;
};

struct wds_cmd {
	u_int8_t opcode;
	u_int8_t targ;
	struct scsi_generic scb;
	u_int8_t stat;
	u_int8_t venderr;
	physlen len;
	physaddr data;
	physaddr link;
	u_int8_t write;
	u_int8_t xx[6];
};

struct wds_scb {
	struct wds_cmd cmd;
	struct wds_cmd sense;

	struct wds_scat_gath scat_gath[WDS_NSEG];
	struct scsi_sense_data sense_data;
	/*----------------------------------------------------------------*/
#define SCB_PHYS_SIZE ((int)&((struct wds_scb *)0)->chain)

	TAILQ_ENTRY(wds_scb) chain;
	struct wds_scb *nexthash;
	long hashkey;
	struct scsi_xfer *xs;
	int flags;
#define	SCB_ALLOC	0x01
#define	SCB_ABORT	0x02
#ifdef WDSDIAG
#define	SCB_SENDING	0x04
#endif
#define	SCB_POLLED	0x08
#define	SCB_SENSE	0x10
#define	SCB_DONE	0x20	/* for internal commands only */
#define	SCB_BUFFER	0x40
	int timeout;

#ifdef notyet
	struct isadma_seg scb_phys[1];	/* phys segment of this scb */
	struct isadma_seg data_phys[WDS_NSEG];	/* phys segments of data */
	int data_nseg;			/* number of phys segments of data */
#endif
	struct wds_buf *buf;
};

#define WDSX_SCSICMD		0x00
#define WDSX_SCSISG		0x01
#define WDSX_OPEN_RCVBUF	0x80
#define WDSX_RCV_CMD		0x81
#define WDSX_RCV_DATA		0x82
#define WDSX_RCV_DATASTAT	0x83
#define WDSX_SND_DATA		0x84
#define WDSX_SND_DATASTAT	0x85
#define WDSX_SND_CMDSTAT	0x86
#define WDSX_READINIT		0x88
#define WDSX_READSCSIID		0x89
#define WDSX_SETUNSOLIRQMASK	0x8a
#define WDSX_GETUNSOLIRQMASK	0x8b
#define WDSX_GETFIRMREV		0x8c
#define WDSX_EXECDIAG		0x8d
#define WDSX_SETEXECPARM	0x8e
#define WDSX_GETEXECPARM	0x8f

struct wds_mbx_out {
	u_int8_t cmd;
	physaddr scb_addr;
};

struct wds_mbx_in {
	u_int8_t stat;
	physaddr scb_addr;
};

/*
 * mbo.cmd values
 */
#define	WDS_MBO_FREE		0x0	/* MBO entry is free */
#define	WDS_MBO_START		0x1	/* MBO activate entry */

/*
 * mbi.stat values
 */
#define	WDS_MBI_FREE		0x00	/* MBI entry is free */
#define WDS_MBI_OK		0x01	/* completed without error */
#define WDS_MBI_OKERR		0x02	/* completed with error */
#define WDS_MBI_ETIME		0x04
#define WDS_MBI_ERESET		0x05
#define WDS_MBI_ETARCMD		0x06
#define WDS_MBI_ERESEL		0x80
#define WDS_MBI_ESEL		0x81
#define WDS_MBI_EABORT		0x82
#define WDS_MBI_ESRESET		0x83
#define WDS_MBI_EHRESET		0x84

struct wds_setup {
	u_int8_t opcode;
	u_int8_t scsi_id;
	u_int8_t buson_t;
	u_int8_t busoff_t;
	u_int8_t xx;
	physaddr mbaddr;
	u_int8_t nomb;
	u_int8_t nimb;
};