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
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
|
/* $OpenBSD: ivsc.c,v 1.3 1996/05/02 06:44:15 niklas Exp $ */
/* $NetBSD: ivsc.c,v 1.15 1996/04/21 21:12:04 veego Exp $ */
/*
* Copyright (c) 1994 Michael L. Hitch
* Copyright (c) 1982, 1990 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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.
*
* @(#)ivsdma.c
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <scsi/scsi_all.h>
#include <scsi/scsiconf.h>
#include <amiga/amiga/custom.h>
#include <amiga/amiga/device.h>
#include <amiga/amiga/isr.h>
#include <amiga/dev/scireg.h>
#include <amiga/dev/scivar.h>
#include <amiga/dev/zbusvar.h>
int ivscprint __P((void *auxp, char *));
void ivscattach __P((struct device *, struct device *, void *));
int ivscmatch __P((struct device *, void *, void *));
int ivsc_intr __P((void *));
int ivsc_dma_xfer_in __P((struct sci_softc *dev, int len,
register u_char *buf, int phase));
int ivsc_dma_xfer_out __P((struct sci_softc *dev, int len,
register u_char *buf, int phase));
struct scsi_adapter ivsc_scsiswitch = {
sci_scsicmd,
sci_minphys,
0, /* no lun support */
0, /* no lun support */
};
struct scsi_device ivsc_scsidev = {
NULL, /* use default error handler */
NULL, /* do not have a start functio */
NULL, /* have no async handler */
NULL, /* Use default done routine */
};
#ifdef DEBUG
extern int sci_debug;
#define QPRINTF(a) if (sci_debug > 1) printf a
#else
#define QPRINTF(a)
#endif
extern int sci_data_wait;
int ivsdma_pseudo = 1; /* 0=off, 1=on */
struct cfattach ivsc_ca = {
sizeof(struct sci_softc), ivscmatch, ivscattach
};
struct cfdriver ivsc_cd = {
NULL, "ivsc", DV_DULL, NULL, 0
};
/*
* if this is an IVS board
*/
int
ivscmatch(pdp, match, auxp)
struct device *pdp;
void *match, *auxp;
{
struct zbus_args *zap;
zap = auxp;
/*
* Check manufacturer and product id.
*/
if (zap->manid != 2112 || /* If manufacturer is IVS */
(zap->prodid != 48 && /* product = Trumpcard 500 */
zap->prodid != 52 && /* product = Trumpcard */
zap->prodid != 243)) /* product = Vector SCSI */
return(0); /* didn't match */
return(1);
}
void
ivscattach(pdp, dp, auxp)
struct device *pdp, *dp;
void *auxp;
{
volatile u_char *rp;
struct sci_softc *sc;
struct zbus_args *zap;
printf("\n");
zap = auxp;
sc = (struct sci_softc *)dp;
rp = zap->va + 0x40;
sc->sci_data = rp;
sc->sci_odata = rp;
sc->sci_icmd = rp + 2;
sc->sci_mode = rp + 4;
sc->sci_tcmd = rp + 6;
sc->sci_bus_csr = rp + 8;
sc->sci_sel_enb = rp + 8;
sc->sci_csr = rp + 10;
sc->sci_dma_send = rp + 10;
sc->sci_idata = rp + 12;
sc->sci_trecv = rp + 12;
sc->sci_iack = rp + 14;
sc->sci_irecv = rp + 14;
if (ivsdma_pseudo == 1) {
sc->dma_xfer_in = ivsc_dma_xfer_in;
sc->dma_xfer_out = ivsc_dma_xfer_out;
}
sc->sc_isr.isr_intr = ivsc_intr;
sc->sc_isr.isr_arg = sc;
sc->sc_isr.isr_ipl = 2;
add_isr(&sc->sc_isr);
scireset(sc);
sc->sc_link.adapter_softc = sc;
sc->sc_link.adapter_target = 7;
sc->sc_link.adapter = &ivsc_scsiswitch;
sc->sc_link.device = &ivsc_scsidev;
sc->sc_link.openings = 1;
TAILQ_INIT(&sc->sc_xslist);
/*
* attach all scsi units on us
*/
config_found(dp, &sc->sc_link, ivscprint);
}
/*
* print diag if pnp is NULL else just extra
*/
int
ivscprint(auxp, pnp)
void *auxp;
char *pnp;
{
if (pnp == NULL)
return(UNCONF);
return(QUIET);
}
int
ivsc_dma_xfer_in (dev, len, buf, phase)
struct sci_softc *dev;
int len;
register u_char *buf;
int phase;
{
int wait = sci_data_wait;
volatile register u_char *sci_dma = dev->sci_idata + 0x20;
volatile register u_char *sci_csr = dev->sci_csr;
#ifdef DEBUG
u_char *obp = buf;
#endif
QPRINTF(("ivsc_dma_in %d, csr=%02x\n", len, *dev->sci_bus_csr));
*dev->sci_tcmd = phase;
*dev->sci_mode |= SCI_MODE_DMA;
*dev->sci_irecv = 0;
while (len >= 128) {
wait = sci_data_wait;
while ((*sci_csr & (SCI_CSR_DREQ|SCI_CSR_PHASE_MATCH)) !=
(SCI_CSR_DREQ|SCI_CSR_PHASE_MATCH)) {
if (!(*sci_csr & SCI_CSR_PHASE_MATCH)
|| !(*dev->sci_bus_csr & SCI_BUS_BSY)
|| --wait < 0) {
#ifdef DEBUG
if (sci_debug)
printf("ivsc_dma_in2 fail: l%d i%x w%d\n",
len, *dev->sci_bus_csr, wait);
#endif
*dev->sci_mode &= ~SCI_MODE_DMA;
return 0;
}
}
#define R1 (*buf++ = *sci_dma)
R1; R1; R1; R1; R1; R1; R1; R1;
R1; R1; R1; R1; R1; R1; R1; R1;
R1; R1; R1; R1; R1; R1; R1; R1;
R1; R1; R1; R1; R1; R1; R1; R1;
R1; R1; R1; R1; R1; R1; R1; R1;
R1; R1; R1; R1; R1; R1; R1; R1;
R1; R1; R1; R1; R1; R1; R1; R1;
R1; R1; R1; R1; R1; R1; R1; R1;
R1; R1; R1; R1; R1; R1; R1; R1;
R1; R1; R1; R1; R1; R1; R1; R1;
R1; R1; R1; R1; R1; R1; R1; R1;
R1; R1; R1; R1; R1; R1; R1; R1;
R1; R1; R1; R1; R1; R1; R1; R1;
R1; R1; R1; R1; R1; R1; R1; R1;
R1; R1; R1; R1; R1; R1; R1; R1;
R1; R1; R1; R1; R1; R1; R1; R1;
len -= 128;
}
while (len > 0) {
wait = sci_data_wait;
while ((*sci_csr & (SCI_CSR_DREQ|SCI_CSR_PHASE_MATCH)) !=
(SCI_CSR_DREQ|SCI_CSR_PHASE_MATCH)) {
if (!(*sci_csr & SCI_CSR_PHASE_MATCH)
|| !(*dev->sci_bus_csr & SCI_BUS_BSY)
|| --wait < 0) {
#ifdef DEBUG
if (sci_debug)
printf("ivsc_dma_in1 fail: l%d i%x w%d\n",
len, *dev->sci_bus_csr, wait);
#endif
*dev->sci_mode &= ~SCI_MODE_DMA;
return 0;
}
}
*buf++ = *sci_dma;
len--;
}
QPRINTF(("ivsc_dma_in {%d} %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
len, obp[0], obp[1], obp[2], obp[3], obp[4], obp[5],
obp[6], obp[7], obp[8], obp[9]));
*dev->sci_mode &= ~SCI_MODE_DMA;
return 0;
}
int
ivsc_dma_xfer_out (dev, len, buf, phase)
struct sci_softc *dev;
int len;
register u_char *buf;
int phase;
{
int wait = sci_data_wait;
volatile register u_char *sci_dma = dev->sci_data + 0x20;
volatile register u_char *sci_csr = dev->sci_csr;
QPRINTF(("ivsc_dma_out %d, csr=%02x\n", len, *dev->sci_bus_csr));
QPRINTF(("ivsc_dma_out {%d} %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
len, buf[0], buf[1], buf[2], buf[3], buf[4], buf[5],
buf[6], buf[7], buf[8], buf[9]));
*dev->sci_tcmd = phase;
*dev->sci_mode |= SCI_MODE_DMA;
*dev->sci_icmd |= SCI_ICMD_DATA;
*dev->sci_dma_send = 0;
while (len > 0) {
wait = sci_data_wait;
while ((*sci_csr & (SCI_CSR_DREQ|SCI_CSR_PHASE_MATCH)) !=
(SCI_CSR_DREQ|SCI_CSR_PHASE_MATCH)) {
if (!(*sci_csr & SCI_CSR_PHASE_MATCH)
|| !(*dev->sci_bus_csr & SCI_BUS_BSY)
|| --wait < 0) {
#ifdef DEBUG
if (sci_debug)
printf("ivsc_dma_out fail: l%d i%x w%d\n",
len, *dev->sci_bus_csr, wait);
#endif
*dev->sci_mode &= ~SCI_MODE_DMA;
return 0;
}
}
*sci_dma = *buf++;
len--;
}
wait = sci_data_wait;
while ((*sci_csr & (SCI_CSR_DREQ|SCI_CSR_PHASE_MATCH)) ==
SCI_CSR_PHASE_MATCH && --wait);
*dev->sci_mode &= ~SCI_MODE_DMA;
return 0;
}
int
ivsc_intr(arg)
void *arg;
{
struct sci_softc *dev = arg;
u_char stat;
if ((*dev->sci_csr & SCI_CSR_INT) == 0)
return(0);
stat = *dev->sci_iack;
/* XXXX is: something is missing here, at least a: */
return(1);
}
|
