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
|
/* $OpenBSD: led.c,v 1.10 2003/06/02 18:40:59 jason Exp $ */
/*
* Copyright (c) 1998 Jason L. Wright (jason@thought.net)
* 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.
*
* 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 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.
*/
/*
* Driver for leds on the 4/100, 4/200, 4/300, and 4/600. (sun4 & sun4m)
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/errno.h>
#include <sys/socket.h>
#include <sys/syslog.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <sys/timeout.h>
#include <machine/autoconf.h>
#include <machine/ctlreg.h>
#include <sparc/sparc/asm.h>
#include <sparc/cpu.h>
#include <sparc/sparc/cpuvar.h>
#include <sparc/dev/led.h>
int ledmatch(struct device *, void *, void *);
void ledattach(struct device *, struct device *, void *);
void led_cycle(void *);
struct cfattach led_ca = {
sizeof (struct led_softc), ledmatch, ledattach
};
struct cfdriver led_cd = {
NULL, "led", DV_IFNET
};
static u_int8_t led_pattern[] = {
0xff, 0xfe, 0xfd, 0xfb, 0xf7, 0xef, 0xdf, 0xbf, 0x7f,
0xff, 0x7f, 0xbf, 0xdf, 0xef, 0xf7, 0xfb, 0xfd, 0xfe,
};
struct led_softc *led_sc = NULL;
extern int sparc_led_blink; /* from machdep */
int
ledmatch(parent, vcf, aux)
struct device *parent;
void *vcf, *aux;
{
#if defined(SUN4)
struct cfdata *cf = vcf;
#endif
#if defined(SUN4) || defined(SUN4M)
struct confargs *ca = aux;
register struct romaux *ra = &ca->ca_ra;
#if defined(SUN4M)
if (ca->ca_bustype == BUS_OBIO) {
if (strcmp("leds", ra->ra_name))
return (0);
return (1);
}
#endif /* SUN4M */
#if defined(SUN4)
if (ca->ca_bustype == BUS_MAIN) {
if (strcmp(cf->cf_driver->cd_name, ra->ra_name))
return (0);
if (CPU_ISSUN4)
return (1);
return (0);
}
#endif /* SUN4 */
#endif /* SUN4 || SUN4M */
return (0);
}
void
ledattach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct confargs *ca = aux;
struct led_softc *sc = (struct led_softc *)self;
sc->sc_node = ca->ca_ra.ra_node;
timeout_set(&sc->sc_to, led_cycle, sc);
if (CPU_ISSUN4M)
sc->sc_reg = mapiodev(&(ca->ca_ra.ra_reg[0]), 0,
ca->ca_ra.ra_reg[0].rr_len);
led_sc = sc;
if (sparc_led_blink)
led_cycle(sc);
printf("\n");
}
void
led_cycle(v)
void *v;
{
struct led_softc *sc = v;
int s;
if (sc == NULL)
return;
sc->sc_index = (sc->sc_index + 1) %
(sizeof(led_pattern)/sizeof(led_pattern[0]));
if (sparc_led_blink == 0)
sc->sc_index = 0;
#if defined(SUN4M)
if (CPU_ISSUN4M) {
s = splhigh();
(*sc->sc_reg) = led_pattern[sc->sc_index] | 0xff00;
splx(s);
}
#endif
#if defined(SUN4)
if (CPU_ISSUN4) {
s = splhigh();
stba(AC_DIAG_REG, ASI_CONTROL, led_pattern[sc->sc_index]);
splx(s);
}
#endif
if (sparc_led_blink != 0) {
s = (((averunnable.ldavg[0] + FSCALE) * hz) >> (FSHIFT + 3));
timeout_add(&sc->sc_to, s);
}
}
|
