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
|
/* $OpenBSD: adm1031.c,v 1.4 2006/01/19 17:08:39 grange Exp $ */
/*
* Copyright (c) 2005 Theo de Raadt
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/sensors.h>
#include <dev/i2c/i2cvar.h>
/* adm 1031 registers */
#define ADM1031_INT_TEMP 0x0a
#define ADM1031_EXT_TEMP 0x0b
#define ADM1031_EXT2_TEMP 0x0c
#define ADM1031_FAN 0x08
#define ADM1031_FANC 0x20
#define ADM1031_FAN2 0x09
#define ADM1031_FAN2C 0x21
#define ADM1024_FANC_VAL(x) (x >> 6)
/* Sensors */
#define ADMTT_INT 0
#define ADMTT_EXT 1
#define ADMTT_EXT2 2
#define ADMTT_FAN 3
#define ADMTT_FAN2 4
#define ADMTT_NUM_SENSORS 5
struct admtt_softc {
struct device sc_dev;
i2c_tag_t sc_tag;
i2c_addr_t sc_addr;
int sc_fanmul;
struct sensor sc_sensor[ADMTT_NUM_SENSORS];
};
int admtt_match(struct device *, void *, void *);
void admtt_attach(struct device *, struct device *, void *);
void admtt_refresh(void *);
struct cfattach admtt_ca = {
sizeof(struct admtt_softc), admtt_match, admtt_attach
};
struct cfdriver admtt_cd = {
NULL, "admtt", DV_DULL
};
int
admtt_match(struct device *parent, void *match, void *aux)
{
struct i2c_attach_args *ia = aux;
if (strcmp(ia->ia_name, "adm1031") == 0)
return (1);
return (0);
}
void
admtt_attach(struct device *parent, struct device *self, void *aux)
{
struct admtt_softc *sc = (struct admtt_softc *)self;
struct i2c_attach_args *ia = aux;
u_int8_t cmd, data;
int i;
sc->sc_tag = ia->ia_tag;
sc->sc_addr = ia->ia_addr;
cmd = ADM1031_FANC;
if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP,
sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, 0)) {
printf(", unable to read fan setting\n");
return;
}
sc->sc_fanmul = 11250/8 * (1 << ADM1024_FANC_VAL(data)) * 60;
/* Initialize sensor data. */
for (i = 0; i < ADMTT_NUM_SENSORS; i++)
strlcpy(sc->sc_sensor[i].device, sc->sc_dev.dv_xname,
sizeof(sc->sc_sensor[i].device));
sc->sc_sensor[ADMTT_INT].type = SENSOR_TEMP;
strlcpy(sc->sc_sensor[ADMTT_INT].desc, "Internal",
sizeof(sc->sc_sensor[ADMTT_INT].desc));
sc->sc_sensor[ADMTT_EXT].type = SENSOR_TEMP;
strlcpy(sc->sc_sensor[ADMTT_EXT].desc, "External1",
sizeof(sc->sc_sensor[ADMTT_EXT].desc));
sc->sc_sensor[ADMTT_EXT2].type = SENSOR_TEMP;
strlcpy(sc->sc_sensor[ADMTT_EXT2].desc, "External2",
sizeof(sc->sc_sensor[ADMTT_EXT2].desc));
sc->sc_sensor[ADMTT_FAN].type = SENSOR_FANRPM;
strlcpy(sc->sc_sensor[ADMTT_FAN].desc, "Fan1",
sizeof(sc->sc_sensor[ADMTT_FAN].desc));
sc->sc_sensor[ADMTT_FAN2].type = SENSOR_FANRPM;
strlcpy(sc->sc_sensor[ADMTT_FAN2].desc, "Fan2",
sizeof(sc->sc_sensor[ADMTT_FAN2].desc));
if (sensor_task_register(sc, admtt_refresh, 5)) {
printf(", unable to register update task\n");
return;
}
for (i = 0; i < ADMTT_NUM_SENSORS; i++)
sensor_add(&sc->sc_sensor[i]);
printf("\n");
}
void
admtt_refresh(void *arg)
{
struct admtt_softc *sc = arg;
u_int8_t cmd, data;
iic_acquire_bus(sc->sc_tag, 0);
cmd = ADM1031_INT_TEMP;
if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP,
sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, 0) == 0)
sc->sc_sensor[ADMTT_INT].value = 273150000 + 1000000 * data;
cmd = ADM1031_EXT_TEMP;
if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP,
sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, 0) == 0)
sc->sc_sensor[ADMTT_EXT].value = 273150000 + 1000000 * data;
cmd = ADM1031_EXT2_TEMP;
if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP,
sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, 0) == 0)
sc->sc_sensor[ADMTT_EXT2].value = 273150000 + 1000000 * data;
cmd = ADM1031_FAN;
if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP,
sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, 0) == 0) {
if (data == 0)
sc->sc_sensor[ADMTT_FAN].flags |= SENSOR_FINVALID;
else {
sc->sc_sensor[ADMTT_FAN].value =
sc->sc_fanmul / (2 * (int)data);
sc->sc_sensor[ADMTT_FAN].flags &= ~SENSOR_FINVALID;
}
}
cmd = ADM1031_FAN2;
if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP,
sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, 0) == 0) {
if (data == 0)
sc->sc_sensor[ADMTT_FAN2].flags |= SENSOR_FINVALID;
else {
sc->sc_sensor[ADMTT_FAN2].value =
sc->sc_fanmul / (2 * (int)data);
sc->sc_sensor[ADMTT_FAN2].flags &= ~SENSOR_FINVALID;
}
}
iic_release_bus(sc->sc_tag, 0);
}
|
