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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
/* $OpenBSD: hpibvar.h,v 1.11 2010/09/06 14:44:18 jasper Exp $ */
/* $NetBSD: hpibvar.h,v 1.10 1997/03/31 07:34:25 scottr Exp $ */
/*
* Copyright (c) 1996, 1997 Jason R. Thorpe. All rights reserved.
* Copyright (c) 1982, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)hpibvar.h 8.1 (Berkeley) 6/10/93
*/
#include <sys/queue.h>
#define HPIB_IPL(x) ((((x) >> 4) & 0x3) + 3)
#define HPIBA 32
#define HPIBB 1
#define HPIBC 8
#define HPIBA_BA 21
#define HPIBC_BA 30
#define HPIBA_IPL 3
#define CSA_BA 0x1F
#define IDS_WDMA 0x04
#define IDS_WRITE 0x08
#define IDS_IR 0x40
#define IDS_IE 0x80
#define IDS_DMA(x) (1 << (x))
#define C_SDC 0x04 /* Selected device clear */
#define C_SDC_P 0x04 /* with odd parity */
#define C_DCL 0x14 /* Universal device clear */
#define C_DCL_P 0x94 /* with odd parity */
#define C_LAG 0x20 /* Listener address group commands */
#define C_UNL 0x3f /* Universal unlisten */
#define C_UNL_P 0xbf /* with odd parity */
#define C_TAG 0x40 /* Talker address group commands */
#define C_UNA 0x5e /* Unaddress (master talk address?) */
#define C_UNA_P 0x5e /* with odd parity */
#define C_UNT 0x5f /* Universal untalk */
#define C_UNT_P 0xdf /* with odd parity */
#define C_SCG 0x60 /* Secondary group commands */
struct hpibbus_softc;
/*
* Each of the HP-IB controller drivers fills in this structure, which
* is used by the indirect driver to call controller-specific functions.
*/
struct hpib_controller {
void (*hpib_reset)(struct hpibbus_softc *);
int (*hpib_send)(struct hpibbus_softc *,
int, int, void *, int);
int (*hpib_recv)(struct hpibbus_softc *,
int, int, void *, int);
int (*hpib_ppoll)(struct hpibbus_softc *);
void (*hpib_ppwatch)(void *);
void (*hpib_go)(struct hpibbus_softc *,
int, int, void *, int, int, int);
void (*hpib_done)(struct hpibbus_softc *);
int (*hpib_intr)(void *);
};
/*
* Attach an HP-IB bus to an HP-IB controller.
*/
struct hpibdev_attach_args {
struct hpib_controller *ha_ops; /* controller ops vector */
int ha_type; /* XXX */
int ha_ba;
struct hpibbus_softc **ha_softcpp; /* XXX */
};
/*
* Attach an HP-IB device to an HP-IB bus.
*/
struct hpibbus_attach_args {
u_int16_t ha_id; /* device id */
int ha_slave; /* HP-IB bus slave */
int ha_punit; /* physical unit on slave */
};
/* Locator shorthand */
#define hpibbuscf_slave cf_loc[0]
#define hpibbuscf_punit cf_loc[1]
#define HPIBBUS_SLAVE_UNK -1
#define HPIBBUS_PUNIT_UNK -1
#define HPIB_NSLAVES 8 /* number of slaves on a bus */
#define HPIB_NPUNITS 2 /* number of punits per slave */
/*
* An HP-IB job queue entry. Slave drivers have one of these used
* to queue requests with the controller.
*/
struct hpibqueue {
TAILQ_ENTRY(hpibqueue) hq_list; /* entry on queue */
void *hq_softc; /* slave's softc */
int hq_slave; /* slave on bus */
/*
* Callbacks used to start and stop the slave driver.
*/
void (*hq_start)(void *);
void (*hq_go)(void *);
void (*hq_intr)(void *);
};
struct dmaqueue;
/*
* Software state per HP-IB bus.
*/
struct hpibbus_softc {
struct device sc_dev; /* generic device glue */
struct hpib_controller *sc_ops; /* controller ops vector */
volatile int sc_flags; /* misc flags */
struct dmaqueue *sc_dq;
TAILQ_HEAD(, hpibqueue) sc_queue;
int sc_ba;
int sc_type;
char *sc_addr;
int sc_count;
int sc_curcnt;
};
/* sc_flags */
#define HPIBF_IO 0x1
#define HPIBF_DONE 0x2
#define HPIBF_PPOLL 0x4
#define HPIBF_READ 0x8
#define HPIBF_TIMO 0x10
#define HPIBF_DMA16 0x8000
/*
* Description structure for CS/80 devices.
*/
struct cs80_describe {
u_int d_iuw:16, /* controller: installed unit word */
d_cmaxxfr:16, /* controller: max transfer rate (Kb) */
d_ctype:8, /* controller: controller type */
d_utype:8, /* unit: unit type */
d_name:24, /* unit: name (6 BCD digits) */
d_sectsize:16, /* unit: # of bytes per block (sector) */
d_blkbuf:8, /* unit: # of blocks which can be buffered */
d_burstsize:8, /* unit: recommended burst size */
d_blocktime:16, /* unit: block time (u-sec) */
d_uavexfr:16, /* unit: average transfer rate (Kb) */
d_retry:16, /* unit: optimal retry time (1/100-sec) */
d_access:16, /* unit: access time param (1/100-sec) */
d_maxint:8, /* unit: maximum interleave */
d_fvbyte:8, /* unit: fixed volume byte */
d_rvbyte:8, /* unit: removable volume byte */
d_maxcyl:24, /* volume: maximum cylinder */
d_maxhead:8, /* volume: maximum head */
d_maxsect:16, /* volume: maximum sector on track */
d_maxvsecth:16, /* volume: maximum sector on volume (MSW) */
d_maxvsectl:32, /* volume: maximum sector on volume (LSWs) */
d_interleave:8; /* volume: current interleave */
} __packed;
#ifdef _KERNEL
extern caddr_t internalhpib;
extern int hpibtimeout;
extern int hpibdmathresh;
void hpibreset(int);
int hpibsend(int, int, int, void *, int);
int hpibrecv(int, int, int, void *, int);
int hpibustart(int);
void hpibstart(void *);
void hpibgo(int, int, int, void *, int, int, int);
void hpibdone(void *);
int hpibpptest(int, int);
void hpibppclear(int);
void hpibawait(int);
int hpibswait(int, int);
int hpibid(int, int);
int hpibreq(struct device *, struct hpibqueue *);
void hpibfree(struct device *, struct hpibqueue *);
int hpibintr(void *);
int hpibdevprint(void *, const char *);
#endif
|
