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
|
/* $OpenBSD: adm1024.c,v 1.9 2005/12/31 04:31:27 deraadt 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 1024 registers */
#define ADM1024_V2_5 0x20
#define ADM1024_Vccp 0x21
#define ADM1024_Vcc 0x22
#define ADM1024_V5 0x23
#define ADM1024_V12 0x24
#define ADM1024_Vccp2 0x25
#define ADM1024_EXT_TEMP 0x26
#define ADM1024_INT_TEMP 0x27
#define ADM1024_FAN1 0x28
#define ADM1024_FAN2 0x29
#define ADM1024_STATUS2 0x42
#define ADM1024_FANC 0x47
#define ADM1024_STATUS2_EXT 0x40
#define ADM1024_COMPANY 0x3e /* contains 0x41 */
#define ADM1024_STEPPING 0x3f /* contains 0x2? */
#define ADM1024_CONFIG1 0x40
#define ADM1024_CONFIG1_START 0x01
#define ADM1024_CONFIG1_INTCLR 0x08
/* Sensors */
#define ADMLC_INT 0
#define ADMLC_EXT 1
#define ADMLC_V2_5 2
#define ADMLC_Vccp 3
#define ADMLC_Vcc 4
#define ADMLC_V5 5
#define ADMLC_V12 6
#define ADMLC_Vccp2 7
#define ADMLC_FAN1 8
#define ADMLC_FAN2 9
#define ADMLC_NUM_SENSORS 10
struct admlc_softc {
struct device sc_dev;
i2c_tag_t sc_tag;
i2c_addr_t sc_addr;
struct sensor sc_sensor[ADMLC_NUM_SENSORS];
int sc_fan1mul;
int sc_fan2mul;
};
int admlc_match(struct device *, void *, void *);
void admlc_attach(struct device *, struct device *, void *);
void admlc_refresh(void *);
struct cfattach admlc_ca = {
sizeof(struct admlc_softc), admlc_match, admlc_attach
};
struct cfdriver admlc_cd = {
NULL, "admlc", DV_DULL
};
int
admlc_match(struct device *parent, void *match, void *aux)
{
struct i2c_attach_args *ia = aux;
if (strcmp(ia->ia_name, "adm1024") == 0)
return (1);
return (0);
}
void
admlc_attach(struct device *parent, struct device *self, void *aux)
{
struct admlc_softc *sc = (struct admlc_softc *)self;
struct i2c_attach_args *ia = aux;
u_int8_t cmd, data, data2;
int i;
sc->sc_tag = ia->ia_tag;
sc->sc_addr = ia->ia_addr;
iic_acquire_bus(sc->sc_tag, 0);
cmd = ADM1024_CONFIG1;
if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP,
sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, 0)) {
iic_release_bus(sc->sc_tag, 0);
printf(": cannot get control register\n");
return;
}
data2 = data | ADM1024_CONFIG1_START;
data2 = data2 & ~ADM1024_CONFIG1_INTCLR;
if (data != data2) {
if (iic_exec(sc->sc_tag, I2C_OP_WRITE_WITH_STOP,
sc->sc_addr, &cmd, sizeof cmd, &data2, sizeof data2, 0)) {
iic_release_bus(sc->sc_tag, 0);
printf(": cannot set control register\n");
return;
}
}
cmd = ADM1024_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_fan1mul = (1 << (data >> 4) & 0x3);
sc->sc_fan2mul = (1 << (data >> 6) & 0x3);
iic_release_bus(sc->sc_tag, 0);
/* Initialize sensor data. */
for (i = 0; i < ADMLC_NUM_SENSORS; i++)
strlcpy(sc->sc_sensor[i].device, sc->sc_dev.dv_xname,
sizeof(sc->sc_sensor[i].device));
sc->sc_sensor[ADMLC_INT].type = SENSOR_TEMP;
strlcpy(sc->sc_sensor[ADMLC_INT].desc, "Internal",
sizeof(sc->sc_sensor[ADMLC_INT].desc));
sc->sc_sensor[ADMLC_EXT].type = SENSOR_TEMP;
strlcpy(sc->sc_sensor[ADMLC_EXT].desc, "External",
sizeof(sc->sc_sensor[ADMLC_EXT].desc));
sc->sc_sensor[ADMLC_V2_5].type = SENSOR_VOLTS_DC;
strlcpy(sc->sc_sensor[ADMLC_V2_5].desc, "2.5 V",
sizeof(sc->sc_sensor[ADMLC_V2_5].desc));
sc->sc_sensor[ADMLC_Vccp].type = SENSOR_VOLTS_DC;
strlcpy(sc->sc_sensor[ADMLC_Vccp].desc, "Vccp",
sizeof(sc->sc_sensor[ADMLC_Vccp].desc));
sc->sc_sensor[ADMLC_Vcc].type = SENSOR_VOLTS_DC;
strlcpy(sc->sc_sensor[ADMLC_Vcc].desc, "Vcc",
sizeof(sc->sc_sensor[ADMLC_Vcc].desc));
sc->sc_sensor[ADMLC_V5].type = SENSOR_VOLTS_DC;
strlcpy(sc->sc_sensor[ADMLC_V5].desc, "5 V",
sizeof(sc->sc_sensor[ADMLC_V5].desc));
sc->sc_sensor[ADMLC_V12].type = SENSOR_VOLTS_DC;
strlcpy(sc->sc_sensor[ADMLC_V12].desc, "12 V",
sizeof(sc->sc_sensor[ADMLC_V12].desc));
sc->sc_sensor[ADMLC_Vccp2].type = SENSOR_VOLTS_DC;
strlcpy(sc->sc_sensor[ADMLC_Vccp2].desc, "Vccp2",
sizeof(sc->sc_sensor[ADMLC_Vccp2].desc));
sc->sc_sensor[ADMLC_FAN1].type = SENSOR_FANRPM;
strlcpy(sc->sc_sensor[ADMLC_FAN1].desc, "Fan1",
sizeof(sc->sc_sensor[ADMLC_FAN1].desc));
sc->sc_sensor[ADMLC_FAN2].type = SENSOR_FANRPM;
strlcpy(sc->sc_sensor[ADMLC_FAN2].desc, "Fan2",
sizeof(sc->sc_sensor[ADMLC_FAN2].desc));
if (sensor_task_register(sc, admlc_refresh, 5)) {
printf(", unable to register update task\n");
return;
}
for (i = 0; i < ADMLC_NUM_SENSORS; i++)
SENSOR_ADD(&sc->sc_sensor[i]);
printf("\n");
}
static void
fanval(struct sensor *sens, int mul, u_int8_t data)
{
int tmp = data * mul;
if (tmp == 0)
sens->flags |= SENSOR_FINVALID;
else
sens->value = 1350000 / tmp;
}
void
admlc_refresh(void *arg)
{
struct admlc_softc *sc = arg;
u_int8_t cmd, data;
int8_t sdata;
iic_acquire_bus(sc->sc_tag, 0);
cmd = ADM1024_INT_TEMP;
if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP,
sc->sc_addr, &cmd, sizeof cmd, &sdata, sizeof sdata, 0) == 0)
sc->sc_sensor[ADMLC_INT].value = 273150000 + 1000000 * sdata;
cmd = ADM1024_EXT_TEMP;
if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP,
sc->sc_addr, &cmd, sizeof cmd, &sdata, sizeof sdata, 0) == 0)
sc->sc_sensor[ADMLC_EXT].value = 273150000 + 1000000 * sdata;
cmd = ADM1024_STATUS2;
if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP,
sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, 0) == 0) {
if (data & ADM1024_STATUS2_EXT)
sc->sc_sensor[ADMLC_EXT].flags |= SENSOR_FINVALID;
else
sc->sc_sensor[ADMLC_EXT].flags &= ~SENSOR_FINVALID;
}
cmd = ADM1024_V2_5;
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[ADMLC_V2_5].value = 2500000 * data / 192;
cmd = ADM1024_Vccp;
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[ADMLC_Vcc].value = 2249000 * data / 192;
cmd = ADM1024_Vcc;
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[ADMLC_Vcc].value = 3300000 * data / 192;
cmd = ADM1024_V5;
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[ADMLC_V5].value = 5000000 * data / 192;
cmd = ADM1024_V12;
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[ADMLC_V12].value = 12000000 * data / 192;
cmd = ADM1024_Vccp2;
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[ADMLC_Vccp2].value = 2700000 * data / 192;
cmd = ADM1024_FAN1;
if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP,
sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, 0) == 0)
fanval(&sc->sc_sensor[ADMLC_FAN1], sc->sc_fan1mul, data);
cmd = ADM1024_FAN2;
if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP,
sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, 0) == 0)
fanval(&sc->sc_sensor[ADMLC_FAN2], sc->sc_fan2mul, data);
iic_release_bus(sc->sc_tag, 0);
}
|
