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
|
/* $OpenBSD: lasi.c,v 1.6 2002/02/05 06:50:23 mickey Exp $ */
/*
* Copyright (c) 1998-2002 Michael Shalayeff
* 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 Michael Shalayeff.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 MIND,
* 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.
*/
#undef LASIDEBUG
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/reboot.h>
#include <machine/bus.h>
#include <machine/iomod.h>
#include <machine/autoconf.h>
#include <hppa/dev/cpudevs.h>
#include <hppa/gsc/gscbusvar.h>
struct lasi_hwr {
u_int32_t lasi_power;
u_int32_t lasi_error;
u_int32_t lasi_version;
u_int32_t lasi_reset;
u_int32_t lasi_arbmask;
};
struct lasi_trs {
u_int32_t lasi_irr; /* int requset register */
u_int32_t lasi_imr; /* int mask register */
u_int32_t lasi_ipr; /* int pending register */
u_int32_t lasi_icr; /* int command? register */
u_int32_t lasi_iar; /* int acquire? register */
};
struct lasi_softc {
struct device sc_dev;
struct gscbus_ic sc_ic;
struct lasi_hwr volatile *sc_hw;
struct lasi_trs volatile *sc_trs;
struct gsc_attach_args ga; /* for deferred attach */
};
int lasimatch __P((struct device *, void *, void *));
void lasiattach __P((struct device *, struct device *, void *));
void lasi_gsc_attach __P((struct device *));
struct cfattach lasi_ca = {
sizeof(struct lasi_softc), lasimatch, lasiattach
};
struct cfdriver lasi_cd = {
NULL, "lasi", DV_DULL
};
void lasi_intr_establish __P((void *v, u_int32_t mask));
void lasi_intr_disestablish __P((void *v, u_int32_t mask));
u_int32_t lasi_intr_check __P((void *v));
void lasi_intr_ack __P((void *v, u_int32_t mask));
int
lasimatch(parent, cfdata, aux)
struct device *parent;
void *cfdata;
void *aux;
{
register struct confargs *ca = aux;
/* register struct cfdata *cf = cfdata; */
if (ca->ca_type.iodc_type != HPPA_TYPE_BHA ||
ca->ca_type.iodc_sv_model != HPPA_BHA_LASI)
return 0;
return 1;
}
void
lasiattach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
register struct confargs *ca = aux;
register struct lasi_softc *sc = (struct lasi_softc *)self;
bus_space_handle_t ioh;
int s, in;
if (bus_space_map(ca->ca_iot, ca->ca_hpa + 0xc000,
IOMOD_HPASIZE, 0, &ioh)) {
#ifdef DEBUG
printf("lasiattach: can't map IO space\n");
#endif
return;
}
sc->sc_trs = (struct lasi_trs *)ca->ca_hpa;
sc->sc_hw = (struct lasi_hwr *)(ca->ca_hpa + 0xc000);
/* XXX should we reset the chip here? */
printf (": rev %d.%d\n", (sc->sc_hw->lasi_version & 0xf0) >> 4,
sc->sc_hw->lasi_version & 0xf);
/* interrupts guts */
s = splhigh();
sc->sc_trs->lasi_iar = cpu_gethpa(0) | (31 - ca->ca_irq);
sc->sc_trs->lasi_icr = 0;
sc->sc_trs->lasi_imr = ~0U;
in = sc->sc_trs->lasi_irr;
sc->sc_trs->lasi_imr = 0;
splx(s);
sc->sc_ic.gsc_type = gsc_lasi;
sc->sc_ic.gsc_dv = sc;
sc->sc_ic.gsc_intr_establish = lasi_intr_establish;
sc->sc_ic.gsc_intr_disestablish = lasi_intr_disestablish;
sc->sc_ic.gsc_intr_check = lasi_intr_check;
sc->sc_ic.gsc_intr_ack = lasi_intr_ack;
sc->ga.ga_ca = *ca; /* clone from us */
if (sc->sc_dev.dv_unit)
config_defer(self, lasi_gsc_attach);
else
lasi_gsc_attach(self);
}
void
lasi_gsc_attach(self)
struct device *self;
{
struct lasi_softc *sc = (struct lasi_softc *)self;
sc->ga.ga_name = "gsc";
sc->ga.ga_ic = &sc->sc_ic;
config_found(self, &sc->ga, gscprint);
}
void
lasi_intr_establish(v, mask)
void *v;
u_int32_t mask;
{
register struct lasi_softc *sc = v;
sc->sc_trs->lasi_imr |= mask;
}
void
lasi_intr_disestablish(v, mask)
void *v;
u_int32_t mask;
{
register struct lasi_softc *sc = v;
sc->sc_trs->lasi_imr &= ~mask;
}
u_int32_t
lasi_intr_check(v)
void *v;
{
register struct lasi_softc *sc = v;
register u_int32_t irr, imr, ipr;
imr = sc->sc_trs->lasi_imr;
ipr = sc->sc_trs->lasi_ipr;
irr = sc->sc_trs->lasi_irr;
sc->sc_trs->lasi_irr = irr;
#ifdef LASIDEBUG
printf ("%s: imr=0x%x, irr=0x%x, ipr=0x%x, iar=0x%x, icr=0x%x\n",
sc->sc_dev.dv_xname, imr, irr, ipr,
sc->sc_trs->lasi_iar, sc->sc_trs->lasi_icr);
#endif
return irr;
}
void
lasi_intr_ack(v, mask)
void *v;
u_int32_t mask;
{
register struct lasi_softc *sc = v;
sc->sc_trs->lasi_imr |= mask;
}
|
