Commit | Line | Data |
---|---|---|
57df46d6 DW |
1 | /* |
2 | * A hwmon driver for the Analog Devices ADT7473 | |
3 | * Copyright (C) 2007 IBM | |
4 | * | |
5 | * Author: Darrick J. Wong <djwong@us.ibm.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | */ | |
21 | ||
22 | #include <linux/module.h> | |
23 | #include <linux/jiffies.h> | |
24 | #include <linux/i2c.h> | |
25 | #include <linux/hwmon.h> | |
26 | #include <linux/hwmon-sysfs.h> | |
27 | #include <linux/err.h> | |
28 | #include <linux/mutex.h> | |
29 | #include <linux/delay.h> | |
30 | #include <linux/log2.h> | |
31 | ||
32 | /* Addresses to scan */ | |
25e9c86d | 33 | static const unsigned short normal_i2c[] = { 0x2C, 0x2D, 0x2E, I2C_CLIENT_END }; |
57df46d6 DW |
34 | |
35 | /* Insmod parameters */ | |
36 | I2C_CLIENT_INSMOD_1(adt7473); | |
37 | ||
38 | /* ADT7473 registers */ | |
39 | #define ADT7473_REG_BASE_ADDR 0x20 | |
40 | ||
41 | #define ADT7473_REG_VOLT_BASE_ADDR 0x21 | |
57df46d6 | 42 | #define ADT7473_REG_VOLT_MIN_BASE_ADDR 0x46 |
57df46d6 DW |
43 | |
44 | #define ADT7473_REG_TEMP_BASE_ADDR 0x25 | |
57df46d6 | 45 | #define ADT7473_REG_TEMP_LIMITS_BASE_ADDR 0x4E |
57df46d6 | 46 | #define ADT7473_REG_TEMP_TMIN_BASE_ADDR 0x67 |
57df46d6 | 47 | #define ADT7473_REG_TEMP_TMAX_BASE_ADDR 0x6A |
57df46d6 DW |
48 | |
49 | #define ADT7473_REG_FAN_BASE_ADDR 0x28 | |
57df46d6 | 50 | #define ADT7473_REG_FAN_MIN_BASE_ADDR 0x54 |
57df46d6 DW |
51 | |
52 | #define ADT7473_REG_PWM_BASE_ADDR 0x30 | |
57df46d6 | 53 | #define ADT7473_REG_PWM_MIN_BASE_ADDR 0x64 |
57df46d6 | 54 | #define ADT7473_REG_PWM_MAX_BASE_ADDR 0x38 |
57df46d6 | 55 | #define ADT7473_REG_PWM_BHVR_BASE_ADDR 0x5C |
57df46d6 DW |
56 | #define ADT7473_PWM_BHVR_MASK 0xE0 |
57 | #define ADT7473_PWM_BHVR_SHIFT 5 | |
58 | ||
59 | #define ADT7473_REG_CFG1 0x40 | |
60 | #define ADT7473_CFG1_START 0x01 | |
61 | #define ADT7473_CFG1_READY 0x04 | |
62 | #define ADT7473_REG_CFG2 0x73 | |
63 | #define ADT7473_REG_CFG3 0x78 | |
64 | #define ADT7473_REG_CFG4 0x7D | |
65 | #define ADT7473_CFG4_MAX_DUTY_AT_OVT 0x08 | |
66 | #define ADT7473_REG_CFG5 0x7C | |
67 | #define ADT7473_CFG5_TEMP_TWOS 0x01 | |
68 | #define ADT7473_CFG5_TEMP_OFFSET 0x02 | |
69 | ||
70 | #define ADT7473_REG_DEVICE 0x3D | |
71 | #define ADT7473_VENDOR 0x41 | |
72 | #define ADT7473_REG_VENDOR 0x3E | |
73 | #define ADT7473_DEVICE 0x73 | |
74 | #define ADT7473_REG_REVISION 0x3F | |
75 | #define ADT7473_REV_68 0x68 | |
76 | #define ADT7473_REV_69 0x69 | |
77 | ||
78 | #define ADT7473_REG_ALARM1 0x41 | |
79 | #define ADT7473_VCCP_ALARM 0x02 | |
80 | #define ADT7473_VCC_ALARM 0x04 | |
81 | #define ADT7473_R1T_ALARM 0x10 | |
82 | #define ADT7473_LT_ALARM 0x20 | |
83 | #define ADT7473_R2T_ALARM 0x40 | |
84 | #define ADT7473_OOL 0x80 | |
85 | #define ADT7473_REG_ALARM2 0x42 | |
86 | #define ADT7473_OVT_ALARM 0x02 | |
87 | #define ADT7473_FAN1_ALARM 0x04 | |
88 | #define ADT7473_FAN2_ALARM 0x08 | |
89 | #define ADT7473_FAN3_ALARM 0x10 | |
90 | #define ADT7473_FAN4_ALARM 0x20 | |
91 | #define ADT7473_R1T_SHORT 0x40 | |
92 | #define ADT7473_R2T_SHORT 0x80 | |
57df46d6 DW |
93 | |
94 | #define ALARM2(x) ((x) << 8) | |
95 | ||
96 | #define ADT7473_VOLT_COUNT 2 | |
97 | #define ADT7473_REG_VOLT(x) (ADT7473_REG_VOLT_BASE_ADDR + (x)) | |
98 | #define ADT7473_REG_VOLT_MIN(x) (ADT7473_REG_VOLT_MIN_BASE_ADDR + ((x) * 2)) | |
99 | #define ADT7473_REG_VOLT_MAX(x) (ADT7473_REG_VOLT_MIN_BASE_ADDR + \ | |
100 | ((x) * 2) + 1) | |
101 | ||
102 | #define ADT7473_TEMP_COUNT 3 | |
103 | #define ADT7473_REG_TEMP(x) (ADT7473_REG_TEMP_BASE_ADDR + (x)) | |
104 | #define ADT7473_REG_TEMP_MIN(x) (ADT7473_REG_TEMP_LIMITS_BASE_ADDR + ((x) * 2)) | |
105 | #define ADT7473_REG_TEMP_MAX(x) (ADT7473_REG_TEMP_LIMITS_BASE_ADDR + \ | |
106 | ((x) * 2) + 1) | |
107 | #define ADT7473_REG_TEMP_TMIN(x) (ADT7473_REG_TEMP_TMIN_BASE_ADDR + (x)) | |
108 | #define ADT7473_REG_TEMP_TMAX(x) (ADT7473_REG_TEMP_TMAX_BASE_ADDR + (x)) | |
109 | ||
110 | #define ADT7473_FAN_COUNT 4 | |
111 | #define ADT7473_REG_FAN(x) (ADT7473_REG_FAN_BASE_ADDR + ((x) * 2)) | |
112 | #define ADT7473_REG_FAN_MIN(x) (ADT7473_REG_FAN_MIN_BASE_ADDR + ((x) * 2)) | |
113 | ||
114 | #define ADT7473_PWM_COUNT 3 | |
115 | #define ADT7473_REG_PWM(x) (ADT7473_REG_PWM_BASE_ADDR + (x)) | |
116 | #define ADT7473_REG_PWM_MAX(x) (ADT7473_REG_PWM_MAX_BASE_ADDR + (x)) | |
117 | #define ADT7473_REG_PWM_MIN(x) (ADT7473_REG_PWM_MIN_BASE_ADDR + (x)) | |
118 | #define ADT7473_REG_PWM_BHVR(x) (ADT7473_REG_PWM_BHVR_BASE_ADDR + (x)) | |
119 | ||
120 | /* How often do we reread sensors values? (In jiffies) */ | |
121 | #define SENSOR_REFRESH_INTERVAL (2 * HZ) | |
122 | ||
123 | /* How often do we reread sensor limit values? (In jiffies) */ | |
124 | #define LIMIT_REFRESH_INTERVAL (60 * HZ) | |
125 | ||
126 | /* datasheet says to divide this number by the fan reading to get fan rpm */ | |
127 | #define FAN_PERIOD_TO_RPM(x) ((90000 * 60) / (x)) | |
128 | #define FAN_RPM_TO_PERIOD FAN_PERIOD_TO_RPM | |
129 | #define FAN_PERIOD_INVALID 65535 | |
130 | #define FAN_DATA_VALID(x) ((x) && (x) != FAN_PERIOD_INVALID) | |
131 | ||
132 | struct adt7473_data { | |
57df46d6 DW |
133 | struct device *hwmon_dev; |
134 | struct attribute_group attrs; | |
135 | struct mutex lock; | |
136 | char sensors_valid; | |
137 | char limits_valid; | |
138 | unsigned long sensors_last_updated; /* In jiffies */ | |
139 | unsigned long limits_last_updated; /* In jiffies */ | |
140 | ||
141 | u8 volt[ADT7473_VOLT_COUNT]; | |
142 | s8 volt_min[ADT7473_VOLT_COUNT]; | |
143 | s8 volt_max[ADT7473_VOLT_COUNT]; | |
144 | ||
145 | s8 temp[ADT7473_TEMP_COUNT]; | |
146 | s8 temp_min[ADT7473_TEMP_COUNT]; | |
147 | s8 temp_max[ADT7473_TEMP_COUNT]; | |
148 | s8 temp_tmin[ADT7473_TEMP_COUNT]; | |
149 | /* This is called the !THERM limit in the datasheet */ | |
150 | s8 temp_tmax[ADT7473_TEMP_COUNT]; | |
151 | ||
152 | u16 fan[ADT7473_FAN_COUNT]; | |
153 | u16 fan_min[ADT7473_FAN_COUNT]; | |
154 | ||
155 | u8 pwm[ADT7473_PWM_COUNT]; | |
156 | u8 pwm_max[ADT7473_PWM_COUNT]; | |
157 | u8 pwm_min[ADT7473_PWM_COUNT]; | |
158 | u8 pwm_behavior[ADT7473_PWM_COUNT]; | |
159 | ||
160 | u8 temp_twos_complement; | |
161 | u8 temp_offset; | |
162 | ||
163 | u16 alarm; | |
164 | u8 max_duty_at_overheat; | |
165 | }; | |
166 | ||
eea54766 JD |
167 | static int adt7473_probe(struct i2c_client *client, |
168 | const struct i2c_device_id *id); | |
169 | static int adt7473_detect(struct i2c_client *client, int kind, | |
170 | struct i2c_board_info *info); | |
171 | static int adt7473_remove(struct i2c_client *client); | |
172 | ||
173 | static const struct i2c_device_id adt7473_id[] = { | |
174 | { "adt7473", adt7473 }, | |
175 | { } | |
176 | }; | |
57df46d6 DW |
177 | |
178 | static struct i2c_driver adt7473_driver = { | |
eea54766 | 179 | .class = I2C_CLASS_HWMON, |
57df46d6 DW |
180 | .driver = { |
181 | .name = "adt7473", | |
182 | }, | |
eea54766 JD |
183 | .probe = adt7473_probe, |
184 | .remove = adt7473_remove, | |
185 | .id_table = adt7473_id, | |
186 | .detect = adt7473_detect, | |
187 | .address_data = &addr_data, | |
57df46d6 DW |
188 | }; |
189 | ||
190 | /* | |
191 | * 16-bit registers on the ADT7473 are low-byte first. The data sheet says | |
192 | * that the low byte must be read before the high byte. | |
193 | */ | |
194 | static inline int adt7473_read_word_data(struct i2c_client *client, u8 reg) | |
195 | { | |
196 | u16 foo; | |
197 | foo = i2c_smbus_read_byte_data(client, reg); | |
198 | foo |= ((u16)i2c_smbus_read_byte_data(client, reg + 1) << 8); | |
199 | return foo; | |
200 | } | |
201 | ||
202 | static inline int adt7473_write_word_data(struct i2c_client *client, u8 reg, | |
203 | u16 value) | |
204 | { | |
205 | return i2c_smbus_write_byte_data(client, reg, value & 0xFF) | |
206 | && i2c_smbus_write_byte_data(client, reg + 1, value >> 8); | |
207 | } | |
208 | ||
209 | static void adt7473_init_client(struct i2c_client *client) | |
210 | { | |
211 | int reg = i2c_smbus_read_byte_data(client, ADT7473_REG_CFG1); | |
212 | ||
213 | if (!(reg & ADT7473_CFG1_READY)) { | |
214 | dev_err(&client->dev, "Chip not ready.\n"); | |
215 | } else { | |
216 | /* start monitoring */ | |
217 | i2c_smbus_write_byte_data(client, ADT7473_REG_CFG1, | |
218 | reg | ADT7473_CFG1_START); | |
219 | } | |
220 | } | |
221 | ||
222 | static struct adt7473_data *adt7473_update_device(struct device *dev) | |
223 | { | |
224 | struct i2c_client *client = to_i2c_client(dev); | |
225 | struct adt7473_data *data = i2c_get_clientdata(client); | |
226 | unsigned long local_jiffies = jiffies; | |
227 | u8 cfg; | |
228 | int i; | |
229 | ||
230 | mutex_lock(&data->lock); | |
231 | if (time_before(local_jiffies, data->sensors_last_updated + | |
232 | SENSOR_REFRESH_INTERVAL) | |
233 | && data->sensors_valid) | |
234 | goto no_sensor_update; | |
235 | ||
236 | for (i = 0; i < ADT7473_VOLT_COUNT; i++) | |
237 | data->volt[i] = i2c_smbus_read_byte_data(client, | |
238 | ADT7473_REG_VOLT(i)); | |
239 | ||
240 | /* Determine temperature encoding */ | |
241 | cfg = i2c_smbus_read_byte_data(client, ADT7473_REG_CFG5); | |
242 | data->temp_twos_complement = (cfg & ADT7473_CFG5_TEMP_TWOS); | |
243 | ||
244 | /* | |
245 | * What does this do? it implies a variable temperature sensor | |
246 | * offset, but the datasheet doesn't say anything about this bit | |
247 | * and other parts of the datasheet imply that "offset64" mode | |
248 | * means that you shift temp values by -64 if the above bit was set. | |
249 | */ | |
250 | data->temp_offset = (cfg & ADT7473_CFG5_TEMP_OFFSET); | |
251 | ||
252 | for (i = 0; i < ADT7473_TEMP_COUNT; i++) | |
253 | data->temp[i] = i2c_smbus_read_byte_data(client, | |
254 | ADT7473_REG_TEMP(i)); | |
255 | ||
256 | for (i = 0; i < ADT7473_FAN_COUNT; i++) | |
257 | data->fan[i] = adt7473_read_word_data(client, | |
258 | ADT7473_REG_FAN(i)); | |
259 | ||
260 | for (i = 0; i < ADT7473_PWM_COUNT; i++) | |
261 | data->pwm[i] = i2c_smbus_read_byte_data(client, | |
262 | ADT7473_REG_PWM(i)); | |
263 | ||
264 | data->alarm = i2c_smbus_read_byte_data(client, ADT7473_REG_ALARM1); | |
265 | if (data->alarm & ADT7473_OOL) | |
266 | data->alarm |= ALARM2(i2c_smbus_read_byte_data(client, | |
267 | ADT7473_REG_ALARM2)); | |
268 | ||
269 | data->sensors_last_updated = local_jiffies; | |
270 | data->sensors_valid = 1; | |
271 | ||
272 | no_sensor_update: | |
273 | if (time_before(local_jiffies, data->limits_last_updated + | |
274 | LIMIT_REFRESH_INTERVAL) | |
275 | && data->limits_valid) | |
276 | goto out; | |
277 | ||
278 | for (i = 0; i < ADT7473_VOLT_COUNT; i++) { | |
279 | data->volt_min[i] = i2c_smbus_read_byte_data(client, | |
280 | ADT7473_REG_VOLT_MIN(i)); | |
281 | data->volt_max[i] = i2c_smbus_read_byte_data(client, | |
282 | ADT7473_REG_VOLT_MAX(i)); | |
283 | } | |
284 | ||
285 | for (i = 0; i < ADT7473_TEMP_COUNT; i++) { | |
286 | data->temp_min[i] = i2c_smbus_read_byte_data(client, | |
287 | ADT7473_REG_TEMP_MIN(i)); | |
288 | data->temp_max[i] = i2c_smbus_read_byte_data(client, | |
289 | ADT7473_REG_TEMP_MAX(i)); | |
290 | data->temp_tmin[i] = i2c_smbus_read_byte_data(client, | |
291 | ADT7473_REG_TEMP_TMIN(i)); | |
292 | data->temp_tmax[i] = i2c_smbus_read_byte_data(client, | |
293 | ADT7473_REG_TEMP_TMAX(i)); | |
294 | } | |
295 | ||
296 | for (i = 0; i < ADT7473_FAN_COUNT; i++) | |
297 | data->fan_min[i] = adt7473_read_word_data(client, | |
298 | ADT7473_REG_FAN_MIN(i)); | |
299 | ||
300 | for (i = 0; i < ADT7473_PWM_COUNT; i++) { | |
301 | data->pwm_max[i] = i2c_smbus_read_byte_data(client, | |
302 | ADT7473_REG_PWM_MAX(i)); | |
303 | data->pwm_min[i] = i2c_smbus_read_byte_data(client, | |
304 | ADT7473_REG_PWM_MIN(i)); | |
305 | data->pwm_behavior[i] = i2c_smbus_read_byte_data(client, | |
306 | ADT7473_REG_PWM_BHVR(i)); | |
307 | } | |
308 | ||
ed4ec814 JD |
309 | i = i2c_smbus_read_byte_data(client, ADT7473_REG_CFG4); |
310 | data->max_duty_at_overheat = !!(i & ADT7473_CFG4_MAX_DUTY_AT_OVT); | |
311 | ||
57df46d6 DW |
312 | data->limits_last_updated = local_jiffies; |
313 | data->limits_valid = 1; | |
314 | ||
315 | out: | |
316 | mutex_unlock(&data->lock); | |
317 | return data; | |
318 | } | |
319 | ||
320 | /* | |
be821b78 | 321 | * Conversions |
57df46d6 | 322 | */ |
be821b78 JD |
323 | |
324 | /* IN are scaled acording to built-in resistors */ | |
325 | static const int adt7473_scaling[] = { /* .001 Volts */ | |
326 | 2250, 3300 | |
57df46d6 | 327 | }; |
be821b78 | 328 | #define SCALE(val, from, to) (((val) * (to) + ((from) / 2)) / (from)) |
57df46d6 DW |
329 | |
330 | static int decode_volt(int volt_index, u8 raw) | |
331 | { | |
be821b78 | 332 | return SCALE(raw, 192, adt7473_scaling[volt_index]); |
57df46d6 DW |
333 | } |
334 | ||
335 | static u8 encode_volt(int volt_index, int cooked) | |
336 | { | |
be821b78 JD |
337 | int raw = SCALE(cooked, adt7473_scaling[volt_index], 192); |
338 | return SENSORS_LIMIT(raw, 0, 255); | |
57df46d6 DW |
339 | } |
340 | ||
341 | static ssize_t show_volt_min(struct device *dev, | |
342 | struct device_attribute *devattr, | |
343 | char *buf) | |
344 | { | |
345 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
346 | struct adt7473_data *data = adt7473_update_device(dev); | |
347 | return sprintf(buf, "%d\n", | |
348 | decode_volt(attr->index, data->volt_min[attr->index])); | |
349 | } | |
350 | ||
351 | static ssize_t set_volt_min(struct device *dev, | |
352 | struct device_attribute *devattr, | |
353 | const char *buf, | |
354 | size_t count) | |
355 | { | |
356 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
357 | struct i2c_client *client = to_i2c_client(dev); | |
358 | struct adt7473_data *data = i2c_get_clientdata(client); | |
862343c4 DW |
359 | long volt; |
360 | ||
361 | if (strict_strtol(buf, 10, &volt)) | |
362 | return -EINVAL; | |
363 | ||
364 | volt = encode_volt(attr->index, volt); | |
57df46d6 DW |
365 | |
366 | mutex_lock(&data->lock); | |
367 | data->volt_min[attr->index] = volt; | |
368 | i2c_smbus_write_byte_data(client, ADT7473_REG_VOLT_MIN(attr->index), | |
369 | volt); | |
370 | mutex_unlock(&data->lock); | |
371 | ||
372 | return count; | |
373 | } | |
374 | ||
375 | static ssize_t show_volt_max(struct device *dev, | |
376 | struct device_attribute *devattr, | |
377 | char *buf) | |
378 | { | |
379 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
380 | struct adt7473_data *data = adt7473_update_device(dev); | |
381 | return sprintf(buf, "%d\n", | |
382 | decode_volt(attr->index, data->volt_max[attr->index])); | |
383 | } | |
384 | ||
385 | static ssize_t set_volt_max(struct device *dev, | |
386 | struct device_attribute *devattr, | |
387 | const char *buf, | |
388 | size_t count) | |
389 | { | |
390 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
391 | struct i2c_client *client = to_i2c_client(dev); | |
392 | struct adt7473_data *data = i2c_get_clientdata(client); | |
862343c4 DW |
393 | long volt; |
394 | ||
395 | if (strict_strtol(buf, 10, &volt)) | |
396 | return -EINVAL; | |
397 | ||
398 | volt = encode_volt(attr->index, volt); | |
57df46d6 DW |
399 | |
400 | mutex_lock(&data->lock); | |
401 | data->volt_max[attr->index] = volt; | |
402 | i2c_smbus_write_byte_data(client, ADT7473_REG_VOLT_MAX(attr->index), | |
403 | volt); | |
404 | mutex_unlock(&data->lock); | |
405 | ||
406 | return count; | |
407 | } | |
408 | ||
409 | static ssize_t show_volt(struct device *dev, struct device_attribute *devattr, | |
410 | char *buf) | |
411 | { | |
412 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
413 | struct adt7473_data *data = adt7473_update_device(dev); | |
414 | ||
415 | return sprintf(buf, "%d\n", | |
416 | decode_volt(attr->index, data->volt[attr->index])); | |
417 | } | |
418 | ||
419 | /* | |
420 | * This chip can report temperature data either as a two's complement | |
421 | * number in the range -128 to 127, or as an unsigned number that must | |
422 | * be offset by 64. | |
423 | */ | |
18524486 | 424 | static int decode_temp(u8 twos_complement, u8 raw) |
57df46d6 | 425 | { |
18524486 | 426 | return twos_complement ? (s8)raw : raw - 64; |
57df46d6 DW |
427 | } |
428 | ||
18524486 | 429 | static u8 encode_temp(u8 twos_complement, int cooked) |
57df46d6 | 430 | { |
862343c4 DW |
431 | u8 ret = twos_complement ? cooked & 0xFF : cooked + 64; |
432 | return SENSORS_LIMIT(ret, 0, 255); | |
57df46d6 DW |
433 | } |
434 | ||
435 | static ssize_t show_temp_min(struct device *dev, | |
436 | struct device_attribute *devattr, | |
437 | char *buf) | |
438 | { | |
439 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
440 | struct adt7473_data *data = adt7473_update_device(dev); | |
18524486 MH |
441 | return sprintf(buf, "%d\n", 1000 * decode_temp( |
442 | data->temp_twos_complement, | |
443 | data->temp_min[attr->index])); | |
57df46d6 DW |
444 | } |
445 | ||
446 | static ssize_t set_temp_min(struct device *dev, | |
447 | struct device_attribute *devattr, | |
448 | const char *buf, | |
449 | size_t count) | |
450 | { | |
451 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
452 | struct i2c_client *client = to_i2c_client(dev); | |
453 | struct adt7473_data *data = i2c_get_clientdata(client); | |
862343c4 DW |
454 | long temp; |
455 | ||
456 | if (strict_strtol(buf, 10, &temp)) | |
457 | return -EINVAL; | |
458 | ||
8f8c1fb0 | 459 | temp = DIV_ROUND_CLOSEST(temp, 1000); |
18524486 | 460 | temp = encode_temp(data->temp_twos_complement, temp); |
57df46d6 DW |
461 | |
462 | mutex_lock(&data->lock); | |
463 | data->temp_min[attr->index] = temp; | |
464 | i2c_smbus_write_byte_data(client, ADT7473_REG_TEMP_MIN(attr->index), | |
465 | temp); | |
466 | mutex_unlock(&data->lock); | |
467 | ||
468 | return count; | |
469 | } | |
470 | ||
471 | static ssize_t show_temp_max(struct device *dev, | |
472 | struct device_attribute *devattr, | |
473 | char *buf) | |
474 | { | |
475 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
476 | struct adt7473_data *data = adt7473_update_device(dev); | |
18524486 MH |
477 | return sprintf(buf, "%d\n", 1000 * decode_temp( |
478 | data->temp_twos_complement, | |
479 | data->temp_max[attr->index])); | |
57df46d6 DW |
480 | } |
481 | ||
482 | static ssize_t set_temp_max(struct device *dev, | |
483 | struct device_attribute *devattr, | |
484 | const char *buf, | |
485 | size_t count) | |
486 | { | |
487 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
488 | struct i2c_client *client = to_i2c_client(dev); | |
489 | struct adt7473_data *data = i2c_get_clientdata(client); | |
862343c4 DW |
490 | long temp; |
491 | ||
492 | if (strict_strtol(buf, 10, &temp)) | |
493 | return -EINVAL; | |
494 | ||
8f8c1fb0 | 495 | temp = DIV_ROUND_CLOSEST(temp, 1000); |
18524486 | 496 | temp = encode_temp(data->temp_twos_complement, temp); |
57df46d6 DW |
497 | |
498 | mutex_lock(&data->lock); | |
499 | data->temp_max[attr->index] = temp; | |
500 | i2c_smbus_write_byte_data(client, ADT7473_REG_TEMP_MAX(attr->index), | |
501 | temp); | |
502 | mutex_unlock(&data->lock); | |
503 | ||
504 | return count; | |
505 | } | |
506 | ||
507 | static ssize_t show_temp(struct device *dev, struct device_attribute *devattr, | |
508 | char *buf) | |
509 | { | |
510 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
511 | struct adt7473_data *data = adt7473_update_device(dev); | |
18524486 MH |
512 | return sprintf(buf, "%d\n", 1000 * decode_temp( |
513 | data->temp_twos_complement, | |
514 | data->temp[attr->index])); | |
57df46d6 DW |
515 | } |
516 | ||
517 | static ssize_t show_fan_min(struct device *dev, | |
518 | struct device_attribute *devattr, | |
519 | char *buf) | |
520 | { | |
521 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
522 | struct adt7473_data *data = adt7473_update_device(dev); | |
523 | ||
524 | if (FAN_DATA_VALID(data->fan_min[attr->index])) | |
525 | return sprintf(buf, "%d\n", | |
526 | FAN_PERIOD_TO_RPM(data->fan_min[attr->index])); | |
527 | else | |
528 | return sprintf(buf, "0\n"); | |
529 | } | |
530 | ||
531 | static ssize_t set_fan_min(struct device *dev, | |
532 | struct device_attribute *devattr, | |
533 | const char *buf, size_t count) | |
534 | { | |
535 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
536 | struct i2c_client *client = to_i2c_client(dev); | |
537 | struct adt7473_data *data = i2c_get_clientdata(client); | |
862343c4 | 538 | long temp; |
57df46d6 | 539 | |
862343c4 | 540 | if (strict_strtol(buf, 10, &temp) || !temp) |
57df46d6 | 541 | return -EINVAL; |
862343c4 | 542 | |
57df46d6 | 543 | temp = FAN_RPM_TO_PERIOD(temp); |
862343c4 | 544 | temp = SENSORS_LIMIT(temp, 1, 65534); |
57df46d6 DW |
545 | |
546 | mutex_lock(&data->lock); | |
547 | data->fan_min[attr->index] = temp; | |
548 | adt7473_write_word_data(client, ADT7473_REG_FAN_MIN(attr->index), temp); | |
549 | mutex_unlock(&data->lock); | |
550 | ||
551 | return count; | |
552 | } | |
553 | ||
554 | static ssize_t show_fan(struct device *dev, struct device_attribute *devattr, | |
555 | char *buf) | |
556 | { | |
557 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
558 | struct adt7473_data *data = adt7473_update_device(dev); | |
559 | ||
560 | if (FAN_DATA_VALID(data->fan[attr->index])) | |
561 | return sprintf(buf, "%d\n", | |
562 | FAN_PERIOD_TO_RPM(data->fan[attr->index])); | |
563 | else | |
564 | return sprintf(buf, "0\n"); | |
565 | } | |
566 | ||
567 | static ssize_t show_max_duty_at_crit(struct device *dev, | |
568 | struct device_attribute *devattr, | |
569 | char *buf) | |
570 | { | |
571 | struct adt7473_data *data = adt7473_update_device(dev); | |
572 | return sprintf(buf, "%d\n", data->max_duty_at_overheat); | |
573 | } | |
574 | ||
575 | static ssize_t set_max_duty_at_crit(struct device *dev, | |
576 | struct device_attribute *devattr, | |
577 | const char *buf, | |
578 | size_t count) | |
579 | { | |
580 | u8 reg; | |
581 | struct i2c_client *client = to_i2c_client(dev); | |
582 | struct adt7473_data *data = i2c_get_clientdata(client); | |
862343c4 DW |
583 | long temp; |
584 | ||
585 | if (strict_strtol(buf, 10, &temp)) | |
586 | return -EINVAL; | |
57df46d6 DW |
587 | |
588 | mutex_lock(&data->lock); | |
321c4138 | 589 | data->max_duty_at_overheat = !!temp; |
57df46d6 DW |
590 | reg = i2c_smbus_read_byte_data(client, ADT7473_REG_CFG4); |
591 | if (temp) | |
592 | reg |= ADT7473_CFG4_MAX_DUTY_AT_OVT; | |
593 | else | |
594 | reg &= ~ADT7473_CFG4_MAX_DUTY_AT_OVT; | |
595 | i2c_smbus_write_byte_data(client, ADT7473_REG_CFG4, reg); | |
596 | mutex_unlock(&data->lock); | |
597 | ||
598 | return count; | |
599 | } | |
600 | ||
601 | static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, | |
602 | char *buf) | |
603 | { | |
604 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
605 | struct adt7473_data *data = adt7473_update_device(dev); | |
606 | return sprintf(buf, "%d\n", data->pwm[attr->index]); | |
607 | } | |
608 | ||
609 | static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, | |
610 | const char *buf, size_t count) | |
611 | { | |
612 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
613 | struct i2c_client *client = to_i2c_client(dev); | |
614 | struct adt7473_data *data = i2c_get_clientdata(client); | |
862343c4 DW |
615 | long temp; |
616 | ||
617 | if (strict_strtol(buf, 10, &temp)) | |
618 | return -EINVAL; | |
619 | ||
620 | temp = SENSORS_LIMIT(temp, 0, 255); | |
57df46d6 DW |
621 | |
622 | mutex_lock(&data->lock); | |
623 | data->pwm[attr->index] = temp; | |
624 | i2c_smbus_write_byte_data(client, ADT7473_REG_PWM(attr->index), temp); | |
625 | mutex_unlock(&data->lock); | |
626 | ||
627 | return count; | |
628 | } | |
629 | ||
630 | static ssize_t show_pwm_max(struct device *dev, | |
631 | struct device_attribute *devattr, | |
632 | char *buf) | |
633 | { | |
634 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
635 | struct adt7473_data *data = adt7473_update_device(dev); | |
636 | return sprintf(buf, "%d\n", data->pwm_max[attr->index]); | |
637 | } | |
638 | ||
639 | static ssize_t set_pwm_max(struct device *dev, | |
640 | struct device_attribute *devattr, | |
641 | const char *buf, | |
642 | size_t count) | |
643 | { | |
644 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
645 | struct i2c_client *client = to_i2c_client(dev); | |
646 | struct adt7473_data *data = i2c_get_clientdata(client); | |
862343c4 DW |
647 | long temp; |
648 | ||
649 | if (strict_strtol(buf, 10, &temp)) | |
650 | return -EINVAL; | |
651 | ||
652 | temp = SENSORS_LIMIT(temp, 0, 255); | |
57df46d6 DW |
653 | |
654 | mutex_lock(&data->lock); | |
655 | data->pwm_max[attr->index] = temp; | |
656 | i2c_smbus_write_byte_data(client, ADT7473_REG_PWM_MAX(attr->index), | |
657 | temp); | |
658 | mutex_unlock(&data->lock); | |
659 | ||
660 | return count; | |
661 | } | |
662 | ||
663 | static ssize_t show_pwm_min(struct device *dev, | |
664 | struct device_attribute *devattr, | |
665 | char *buf) | |
666 | { | |
667 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
668 | struct adt7473_data *data = adt7473_update_device(dev); | |
669 | return sprintf(buf, "%d\n", data->pwm_min[attr->index]); | |
670 | } | |
671 | ||
672 | static ssize_t set_pwm_min(struct device *dev, | |
673 | struct device_attribute *devattr, | |
674 | const char *buf, | |
675 | size_t count) | |
676 | { | |
677 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
678 | struct i2c_client *client = to_i2c_client(dev); | |
679 | struct adt7473_data *data = i2c_get_clientdata(client); | |
862343c4 DW |
680 | long temp; |
681 | ||
682 | if (strict_strtol(buf, 10, &temp)) | |
683 | return -EINVAL; | |
684 | ||
685 | temp = SENSORS_LIMIT(temp, 0, 255); | |
57df46d6 DW |
686 | |
687 | mutex_lock(&data->lock); | |
688 | data->pwm_min[attr->index] = temp; | |
689 | i2c_smbus_write_byte_data(client, ADT7473_REG_PWM_MIN(attr->index), | |
690 | temp); | |
691 | mutex_unlock(&data->lock); | |
692 | ||
693 | return count; | |
694 | } | |
695 | ||
696 | static ssize_t show_temp_tmax(struct device *dev, | |
697 | struct device_attribute *devattr, | |
698 | char *buf) | |
699 | { | |
700 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
701 | struct adt7473_data *data = adt7473_update_device(dev); | |
18524486 MH |
702 | return sprintf(buf, "%d\n", 1000 * decode_temp( |
703 | data->temp_twos_complement, | |
704 | data->temp_tmax[attr->index])); | |
57df46d6 DW |
705 | } |
706 | ||
707 | static ssize_t set_temp_tmax(struct device *dev, | |
708 | struct device_attribute *devattr, | |
709 | const char *buf, | |
710 | size_t count) | |
711 | { | |
712 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
713 | struct i2c_client *client = to_i2c_client(dev); | |
714 | struct adt7473_data *data = i2c_get_clientdata(client); | |
862343c4 DW |
715 | long temp; |
716 | ||
717 | if (strict_strtol(buf, 10, &temp)) | |
718 | return -EINVAL; | |
719 | ||
8f8c1fb0 | 720 | temp = DIV_ROUND_CLOSEST(temp, 1000); |
18524486 | 721 | temp = encode_temp(data->temp_twos_complement, temp); |
57df46d6 DW |
722 | |
723 | mutex_lock(&data->lock); | |
724 | data->temp_tmax[attr->index] = temp; | |
725 | i2c_smbus_write_byte_data(client, ADT7473_REG_TEMP_TMAX(attr->index), | |
726 | temp); | |
727 | mutex_unlock(&data->lock); | |
728 | ||
729 | return count; | |
730 | } | |
731 | ||
732 | static ssize_t show_temp_tmin(struct device *dev, | |
733 | struct device_attribute *devattr, | |
734 | char *buf) | |
735 | { | |
736 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
737 | struct adt7473_data *data = adt7473_update_device(dev); | |
18524486 MH |
738 | return sprintf(buf, "%d\n", 1000 * decode_temp( |
739 | data->temp_twos_complement, | |
740 | data->temp_tmin[attr->index])); | |
57df46d6 DW |
741 | } |
742 | ||
743 | static ssize_t set_temp_tmin(struct device *dev, | |
744 | struct device_attribute *devattr, | |
745 | const char *buf, | |
746 | size_t count) | |
747 | { | |
748 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
749 | struct i2c_client *client = to_i2c_client(dev); | |
750 | struct adt7473_data *data = i2c_get_clientdata(client); | |
862343c4 DW |
751 | long temp; |
752 | ||
753 | if (strict_strtol(buf, 10, &temp)) | |
754 | return -EINVAL; | |
755 | ||
8f8c1fb0 | 756 | temp = DIV_ROUND_CLOSEST(temp, 1000); |
18524486 | 757 | temp = encode_temp(data->temp_twos_complement, temp); |
57df46d6 DW |
758 | |
759 | mutex_lock(&data->lock); | |
760 | data->temp_tmin[attr->index] = temp; | |
761 | i2c_smbus_write_byte_data(client, ADT7473_REG_TEMP_TMIN(attr->index), | |
762 | temp); | |
763 | mutex_unlock(&data->lock); | |
764 | ||
765 | return count; | |
766 | } | |
767 | ||
768 | static ssize_t show_pwm_enable(struct device *dev, | |
769 | struct device_attribute *devattr, | |
770 | char *buf) | |
771 | { | |
772 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
773 | struct adt7473_data *data = adt7473_update_device(dev); | |
774 | ||
775 | switch (data->pwm_behavior[attr->index] >> ADT7473_PWM_BHVR_SHIFT) { | |
776 | case 3: | |
777 | return sprintf(buf, "0\n"); | |
778 | case 7: | |
779 | return sprintf(buf, "1\n"); | |
780 | default: | |
781 | return sprintf(buf, "2\n"); | |
782 | } | |
783 | } | |
784 | ||
785 | static ssize_t set_pwm_enable(struct device *dev, | |
786 | struct device_attribute *devattr, | |
787 | const char *buf, | |
788 | size_t count) | |
789 | { | |
790 | u8 reg; | |
791 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
792 | struct i2c_client *client = to_i2c_client(dev); | |
793 | struct adt7473_data *data = i2c_get_clientdata(client); | |
862343c4 DW |
794 | long temp; |
795 | ||
796 | if (strict_strtol(buf, 10, &temp)) | |
797 | return -EINVAL; | |
57df46d6 DW |
798 | |
799 | switch (temp) { | |
800 | case 0: | |
801 | temp = 3; | |
802 | break; | |
803 | case 1: | |
804 | temp = 7; | |
805 | break; | |
806 | case 2: | |
807 | /* Enter automatic mode with fans off */ | |
808 | temp = 4; | |
809 | break; | |
810 | default: | |
811 | return -EINVAL; | |
812 | } | |
813 | ||
814 | mutex_lock(&data->lock); | |
815 | reg = i2c_smbus_read_byte_data(client, | |
816 | ADT7473_REG_PWM_BHVR(attr->index)); | |
817 | reg = (temp << ADT7473_PWM_BHVR_SHIFT) | | |
818 | (reg & ~ADT7473_PWM_BHVR_MASK); | |
819 | i2c_smbus_write_byte_data(client, ADT7473_REG_PWM_BHVR(attr->index), | |
820 | reg); | |
821 | data->pwm_behavior[attr->index] = reg; | |
822 | mutex_unlock(&data->lock); | |
823 | ||
824 | return count; | |
825 | } | |
826 | ||
827 | static ssize_t show_pwm_auto_temp(struct device *dev, | |
828 | struct device_attribute *devattr, | |
829 | char *buf) | |
830 | { | |
831 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
832 | struct adt7473_data *data = adt7473_update_device(dev); | |
833 | int bhvr = data->pwm_behavior[attr->index] >> ADT7473_PWM_BHVR_SHIFT; | |
834 | ||
835 | switch (bhvr) { | |
836 | case 3: | |
837 | case 4: | |
838 | case 7: | |
839 | return sprintf(buf, "0\n"); | |
840 | case 0: | |
841 | case 1: | |
842 | case 5: | |
843 | case 6: | |
844 | return sprintf(buf, "%d\n", bhvr + 1); | |
845 | case 2: | |
846 | return sprintf(buf, "4\n"); | |
847 | } | |
848 | /* shouldn't ever get here */ | |
849 | BUG(); | |
850 | } | |
851 | ||
852 | static ssize_t set_pwm_auto_temp(struct device *dev, | |
853 | struct device_attribute *devattr, | |
854 | const char *buf, | |
855 | size_t count) | |
856 | { | |
857 | u8 reg; | |
858 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
859 | struct i2c_client *client = to_i2c_client(dev); | |
860 | struct adt7473_data *data = i2c_get_clientdata(client); | |
862343c4 DW |
861 | long temp; |
862 | ||
863 | if (strict_strtol(buf, 10, &temp)) | |
864 | return -EINVAL; | |
57df46d6 DW |
865 | |
866 | switch (temp) { | |
867 | case 1: | |
868 | case 2: | |
869 | case 6: | |
870 | case 7: | |
871 | temp--; | |
872 | break; | |
873 | case 0: | |
874 | temp = 4; | |
875 | break; | |
876 | default: | |
877 | return -EINVAL; | |
878 | } | |
879 | ||
880 | mutex_lock(&data->lock); | |
881 | reg = i2c_smbus_read_byte_data(client, | |
882 | ADT7473_REG_PWM_BHVR(attr->index)); | |
883 | reg = (temp << ADT7473_PWM_BHVR_SHIFT) | | |
884 | (reg & ~ADT7473_PWM_BHVR_MASK); | |
885 | i2c_smbus_write_byte_data(client, ADT7473_REG_PWM_BHVR(attr->index), | |
886 | reg); | |
887 | data->pwm_behavior[attr->index] = reg; | |
888 | mutex_unlock(&data->lock); | |
889 | ||
890 | return count; | |
891 | } | |
892 | ||
893 | static ssize_t show_alarm(struct device *dev, | |
894 | struct device_attribute *devattr, | |
895 | char *buf) | |
896 | { | |
897 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
898 | struct adt7473_data *data = adt7473_update_device(dev); | |
899 | ||
900 | if (data->alarm & attr->index) | |
901 | return sprintf(buf, "1\n"); | |
902 | else | |
903 | return sprintf(buf, "0\n"); | |
904 | } | |
905 | ||
906 | ||
907 | static SENSOR_DEVICE_ATTR(in1_max, S_IWUSR | S_IRUGO, show_volt_max, | |
908 | set_volt_max, 0); | |
909 | static SENSOR_DEVICE_ATTR(in2_max, S_IWUSR | S_IRUGO, show_volt_max, | |
910 | set_volt_max, 1); | |
911 | ||
912 | static SENSOR_DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO, show_volt_min, | |
913 | set_volt_min, 0); | |
914 | static SENSOR_DEVICE_ATTR(in2_min, S_IWUSR | S_IRUGO, show_volt_min, | |
915 | set_volt_min, 1); | |
916 | ||
917 | static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_volt, NULL, 0); | |
918 | static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_volt, NULL, 1); | |
919 | ||
920 | static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, | |
921 | ADT7473_VCCP_ALARM); | |
922 | static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, | |
923 | ADT7473_VCC_ALARM); | |
924 | ||
925 | static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max, | |
926 | set_temp_max, 0); | |
927 | static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp_max, | |
928 | set_temp_max, 1); | |
929 | static SENSOR_DEVICE_ATTR(temp3_max, S_IWUSR | S_IRUGO, show_temp_max, | |
930 | set_temp_max, 2); | |
931 | ||
932 | static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp_min, | |
933 | set_temp_min, 0); | |
934 | static SENSOR_DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp_min, | |
935 | set_temp_min, 1); | |
936 | static SENSOR_DEVICE_ATTR(temp3_min, S_IWUSR | S_IRUGO, show_temp_min, | |
937 | set_temp_min, 2); | |
938 | ||
939 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0); | |
940 | static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1); | |
941 | static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2); | |
942 | ||
943 | static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, | |
944 | ADT7473_R1T_ALARM | ALARM2(ADT7473_R1T_SHORT)); | |
945 | static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, | |
946 | ADT7473_LT_ALARM); | |
947 | static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, | |
948 | ADT7473_R2T_ALARM | ALARM2(ADT7473_R2T_SHORT)); | |
949 | ||
950 | static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, | |
951 | set_fan_min, 0); | |
952 | static SENSOR_DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, | |
953 | set_fan_min, 1); | |
954 | static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, | |
955 | set_fan_min, 2); | |
956 | static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min, | |
957 | set_fan_min, 3); | |
958 | ||
959 | static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0); | |
960 | static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1); | |
961 | static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2); | |
962 | static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3); | |
963 | ||
964 | static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, | |
965 | ALARM2(ADT7473_FAN1_ALARM)); | |
966 | static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, | |
967 | ALARM2(ADT7473_FAN2_ALARM)); | |
968 | static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, | |
969 | ALARM2(ADT7473_FAN3_ALARM)); | |
970 | static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, | |
971 | ALARM2(ADT7473_FAN4_ALARM)); | |
972 | ||
973 | static SENSOR_DEVICE_ATTR(pwm_use_point2_pwm_at_crit, S_IWUSR | S_IRUGO, | |
974 | show_max_duty_at_crit, set_max_duty_at_crit, 0); | |
975 | ||
976 | static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 0); | |
977 | static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 1); | |
978 | static SENSOR_DEVICE_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 2); | |
979 | ||
980 | static SENSOR_DEVICE_ATTR(pwm1_auto_point1_pwm, S_IWUSR | S_IRUGO, | |
981 | show_pwm_min, set_pwm_min, 0); | |
982 | static SENSOR_DEVICE_ATTR(pwm2_auto_point1_pwm, S_IWUSR | S_IRUGO, | |
983 | show_pwm_min, set_pwm_min, 1); | |
984 | static SENSOR_DEVICE_ATTR(pwm3_auto_point1_pwm, S_IWUSR | S_IRUGO, | |
985 | show_pwm_min, set_pwm_min, 2); | |
986 | ||
987 | static SENSOR_DEVICE_ATTR(pwm1_auto_point2_pwm, S_IWUSR | S_IRUGO, | |
988 | show_pwm_max, set_pwm_max, 0); | |
989 | static SENSOR_DEVICE_ATTR(pwm2_auto_point2_pwm, S_IWUSR | S_IRUGO, | |
990 | show_pwm_max, set_pwm_max, 1); | |
991 | static SENSOR_DEVICE_ATTR(pwm3_auto_point2_pwm, S_IWUSR | S_IRUGO, | |
992 | show_pwm_max, set_pwm_max, 2); | |
993 | ||
994 | static SENSOR_DEVICE_ATTR(temp1_auto_point1_temp, S_IWUSR | S_IRUGO, | |
995 | show_temp_tmin, set_temp_tmin, 0); | |
996 | static SENSOR_DEVICE_ATTR(temp2_auto_point1_temp, S_IWUSR | S_IRUGO, | |
997 | show_temp_tmin, set_temp_tmin, 1); | |
998 | static SENSOR_DEVICE_ATTR(temp3_auto_point1_temp, S_IWUSR | S_IRUGO, | |
999 | show_temp_tmin, set_temp_tmin, 2); | |
1000 | ||
1001 | static SENSOR_DEVICE_ATTR(temp1_auto_point2_temp, S_IWUSR | S_IRUGO, | |
1002 | show_temp_tmax, set_temp_tmax, 0); | |
1003 | static SENSOR_DEVICE_ATTR(temp2_auto_point2_temp, S_IWUSR | S_IRUGO, | |
1004 | show_temp_tmax, set_temp_tmax, 1); | |
1005 | static SENSOR_DEVICE_ATTR(temp3_auto_point2_temp, S_IWUSR | S_IRUGO, | |
1006 | show_temp_tmax, set_temp_tmax, 2); | |
1007 | ||
1008 | static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, show_pwm_enable, | |
1009 | set_pwm_enable, 0); | |
1010 | static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, show_pwm_enable, | |
1011 | set_pwm_enable, 1); | |
1012 | static SENSOR_DEVICE_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, show_pwm_enable, | |
1013 | set_pwm_enable, 2); | |
1014 | ||
1015 | static SENSOR_DEVICE_ATTR(pwm1_auto_channels_temp, S_IWUSR | S_IRUGO, | |
1016 | show_pwm_auto_temp, set_pwm_auto_temp, 0); | |
1017 | static SENSOR_DEVICE_ATTR(pwm2_auto_channels_temp, S_IWUSR | S_IRUGO, | |
1018 | show_pwm_auto_temp, set_pwm_auto_temp, 1); | |
1019 | static SENSOR_DEVICE_ATTR(pwm3_auto_channels_temp, S_IWUSR | S_IRUGO, | |
1020 | show_pwm_auto_temp, set_pwm_auto_temp, 2); | |
1021 | ||
1022 | static struct attribute *adt7473_attr[] = | |
1023 | { | |
1024 | &sensor_dev_attr_in1_max.dev_attr.attr, | |
1025 | &sensor_dev_attr_in2_max.dev_attr.attr, | |
1026 | &sensor_dev_attr_in1_min.dev_attr.attr, | |
1027 | &sensor_dev_attr_in2_min.dev_attr.attr, | |
1028 | &sensor_dev_attr_in1_input.dev_attr.attr, | |
1029 | &sensor_dev_attr_in2_input.dev_attr.attr, | |
1030 | &sensor_dev_attr_in1_alarm.dev_attr.attr, | |
1031 | &sensor_dev_attr_in2_alarm.dev_attr.attr, | |
1032 | ||
1033 | &sensor_dev_attr_temp1_max.dev_attr.attr, | |
1034 | &sensor_dev_attr_temp2_max.dev_attr.attr, | |
1035 | &sensor_dev_attr_temp3_max.dev_attr.attr, | |
1036 | &sensor_dev_attr_temp1_min.dev_attr.attr, | |
1037 | &sensor_dev_attr_temp2_min.dev_attr.attr, | |
1038 | &sensor_dev_attr_temp3_min.dev_attr.attr, | |
1039 | &sensor_dev_attr_temp1_input.dev_attr.attr, | |
1040 | &sensor_dev_attr_temp2_input.dev_attr.attr, | |
1041 | &sensor_dev_attr_temp3_input.dev_attr.attr, | |
1042 | &sensor_dev_attr_temp1_alarm.dev_attr.attr, | |
1043 | &sensor_dev_attr_temp2_alarm.dev_attr.attr, | |
1044 | &sensor_dev_attr_temp3_alarm.dev_attr.attr, | |
1045 | &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr, | |
1046 | &sensor_dev_attr_temp2_auto_point1_temp.dev_attr.attr, | |
1047 | &sensor_dev_attr_temp3_auto_point1_temp.dev_attr.attr, | |
1048 | &sensor_dev_attr_temp1_auto_point2_temp.dev_attr.attr, | |
1049 | &sensor_dev_attr_temp2_auto_point2_temp.dev_attr.attr, | |
1050 | &sensor_dev_attr_temp3_auto_point2_temp.dev_attr.attr, | |
1051 | ||
1052 | &sensor_dev_attr_fan1_min.dev_attr.attr, | |
1053 | &sensor_dev_attr_fan2_min.dev_attr.attr, | |
1054 | &sensor_dev_attr_fan3_min.dev_attr.attr, | |
1055 | &sensor_dev_attr_fan4_min.dev_attr.attr, | |
1056 | &sensor_dev_attr_fan1_input.dev_attr.attr, | |
1057 | &sensor_dev_attr_fan2_input.dev_attr.attr, | |
1058 | &sensor_dev_attr_fan3_input.dev_attr.attr, | |
1059 | &sensor_dev_attr_fan4_input.dev_attr.attr, | |
1060 | &sensor_dev_attr_fan1_alarm.dev_attr.attr, | |
1061 | &sensor_dev_attr_fan2_alarm.dev_attr.attr, | |
1062 | &sensor_dev_attr_fan3_alarm.dev_attr.attr, | |
1063 | &sensor_dev_attr_fan4_alarm.dev_attr.attr, | |
1064 | ||
1065 | &sensor_dev_attr_pwm_use_point2_pwm_at_crit.dev_attr.attr, | |
1066 | ||
1067 | &sensor_dev_attr_pwm1.dev_attr.attr, | |
1068 | &sensor_dev_attr_pwm2.dev_attr.attr, | |
1069 | &sensor_dev_attr_pwm3.dev_attr.attr, | |
1070 | &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr, | |
1071 | &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr, | |
1072 | &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr, | |
1073 | &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr, | |
1074 | &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr, | |
1075 | &sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr, | |
1076 | ||
1077 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, | |
1078 | &sensor_dev_attr_pwm2_enable.dev_attr.attr, | |
1079 | &sensor_dev_attr_pwm3_enable.dev_attr.attr, | |
1080 | &sensor_dev_attr_pwm1_auto_channels_temp.dev_attr.attr, | |
1081 | &sensor_dev_attr_pwm2_auto_channels_temp.dev_attr.attr, | |
1082 | &sensor_dev_attr_pwm3_auto_channels_temp.dev_attr.attr, | |
1083 | ||
1084 | NULL | |
1085 | }; | |
1086 | ||
eea54766 JD |
1087 | /* Return 0 if detection is successful, -ENODEV otherwise */ |
1088 | static int adt7473_detect(struct i2c_client *client, int kind, | |
1089 | struct i2c_board_info *info) | |
57df46d6 | 1090 | { |
eea54766 | 1091 | struct i2c_adapter *adapter = client->adapter; |
52df6440 | 1092 | int vendor, device, revision; |
57df46d6 DW |
1093 | |
1094 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | |
eea54766 | 1095 | return -ENODEV; |
57df46d6 | 1096 | |
52df6440 JD |
1097 | vendor = i2c_smbus_read_byte_data(client, ADT7473_REG_VENDOR); |
1098 | if (vendor != ADT7473_VENDOR) | |
1099 | return -ENODEV; | |
57df46d6 | 1100 | |
52df6440 JD |
1101 | device = i2c_smbus_read_byte_data(client, ADT7473_REG_DEVICE); |
1102 | if (device != ADT7473_DEVICE) | |
1103 | return -ENODEV; | |
57df46d6 | 1104 | |
52df6440 JD |
1105 | revision = i2c_smbus_read_byte_data(client, ADT7473_REG_REVISION); |
1106 | if (revision != ADT7473_REV_68 && revision != ADT7473_REV_69) | |
1107 | return -ENODEV; | |
57df46d6 | 1108 | |
eea54766 | 1109 | strlcpy(info->type, "adt7473", I2C_NAME_SIZE); |
57df46d6 | 1110 | |
eea54766 JD |
1111 | return 0; |
1112 | } | |
1113 | ||
1114 | static int adt7473_probe(struct i2c_client *client, | |
1115 | const struct i2c_device_id *id) | |
1116 | { | |
1117 | struct adt7473_data *data; | |
1118 | int err; | |
1119 | ||
1120 | data = kzalloc(sizeof(struct adt7473_data), GFP_KERNEL); | |
1121 | if (!data) { | |
1122 | err = -ENOMEM; | |
1123 | goto exit; | |
1124 | } | |
1125 | ||
1126 | i2c_set_clientdata(client, data); | |
1127 | mutex_init(&data->lock); | |
57df46d6 DW |
1128 | |
1129 | dev_info(&client->dev, "%s chip found\n", client->name); | |
1130 | ||
1131 | /* Initialize the ADT7473 chip */ | |
1132 | adt7473_init_client(client); | |
1133 | ||
1134 | /* Register sysfs hooks */ | |
1135 | data->attrs.attrs = adt7473_attr; | |
1136 | err = sysfs_create_group(&client->dev.kobj, &data->attrs); | |
1137 | if (err) | |
eea54766 | 1138 | goto exit_free; |
57df46d6 DW |
1139 | |
1140 | data->hwmon_dev = hwmon_device_register(&client->dev); | |
1141 | if (IS_ERR(data->hwmon_dev)) { | |
1142 | err = PTR_ERR(data->hwmon_dev); | |
1143 | goto exit_remove; | |
1144 | } | |
1145 | ||
1146 | return 0; | |
1147 | ||
1148 | exit_remove: | |
1149 | sysfs_remove_group(&client->dev.kobj, &data->attrs); | |
57df46d6 DW |
1150 | exit_free: |
1151 | kfree(data); | |
1152 | exit: | |
1153 | return err; | |
1154 | } | |
1155 | ||
eea54766 | 1156 | static int adt7473_remove(struct i2c_client *client) |
57df46d6 DW |
1157 | { |
1158 | struct adt7473_data *data = i2c_get_clientdata(client); | |
1159 | ||
1160 | hwmon_device_unregister(data->hwmon_dev); | |
1161 | sysfs_remove_group(&client->dev.kobj, &data->attrs); | |
57df46d6 DW |
1162 | kfree(data); |
1163 | return 0; | |
1164 | } | |
1165 | ||
1166 | static int __init adt7473_init(void) | |
1167 | { | |
b180d050 JD |
1168 | pr_notice("The adt7473 driver is deprecated, please use the adt7475 " |
1169 | "driver instead\n"); | |
57df46d6 DW |
1170 | return i2c_add_driver(&adt7473_driver); |
1171 | } | |
1172 | ||
1173 | static void __exit adt7473_exit(void) | |
1174 | { | |
1175 | i2c_del_driver(&adt7473_driver); | |
1176 | } | |
1177 | ||
1178 | MODULE_AUTHOR("Darrick J. Wong <djwong@us.ibm.com>"); | |
1179 | MODULE_DESCRIPTION("ADT7473 driver"); | |
1180 | MODULE_LICENSE("GPL"); | |
1181 | ||
1182 | module_init(adt7473_init); | |
1183 | module_exit(adt7473_exit); |