diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/hwmon/Kconfig | 10 | ||||
-rw-r--r-- | drivers/hwmon/Makefile | 1 | ||||
-rw-r--r-- | drivers/hwmon/f75375s.c | 691 |
3 files changed, 702 insertions, 0 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index da15d535be6c..a2f60748951d 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig | |||
@@ -236,6 +236,16 @@ config SENSORS_F71882FG | |||
236 | This driver can also be built as a module. If so, the module | 236 | This driver can also be built as a module. If so, the module |
237 | will be called f71882fg. | 237 | will be called f71882fg. |
238 | 238 | ||
239 | config SENSORS_F75375S | ||
240 | tristate "Fintek F75375S/SP and F75373"; | ||
241 | depends on I2C && EXPERIMENTAL | ||
242 | help | ||
243 | If you say yes here you get support for hardware monitoring | ||
244 | features of the Fintek F75375S/SP and F75373 | ||
245 | |||
246 | This driver can also be built as a module. If so, the module | ||
247 | will be called f75375s. | ||
248 | |||
239 | config SENSORS_FSCHER | 249 | config SENSORS_FSCHER |
240 | tristate "FSC Hermes" | 250 | tristate "FSC Hermes" |
241 | depends on I2C | 251 | depends on I2C |
diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index fb4e0d8a7f5f..19da12ec140c 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile | |||
@@ -31,6 +31,7 @@ obj-$(CONFIG_SENSORS_DME1737) += dme1737.o | |||
31 | obj-$(CONFIG_SENSORS_DS1621) += ds1621.o | 31 | obj-$(CONFIG_SENSORS_DS1621) += ds1621.o |
32 | obj-$(CONFIG_SENSORS_F71805F) += f71805f.o | 32 | obj-$(CONFIG_SENSORS_F71805F) += f71805f.o |
33 | obj-$(CONFIG_SENSORS_F71882FG) += f71882fg.o | 33 | obj-$(CONFIG_SENSORS_F71882FG) += f71882fg.o |
34 | obj-$(CONFIG_SENSORS_F75375S) += f75375s.o | ||
34 | obj-$(CONFIG_SENSORS_FSCHER) += fscher.o | 35 | obj-$(CONFIG_SENSORS_FSCHER) += fscher.o |
35 | obj-$(CONFIG_SENSORS_FSCPOS) += fscpos.o | 36 | obj-$(CONFIG_SENSORS_FSCPOS) += fscpos.o |
36 | obj-$(CONFIG_SENSORS_GL518SM) += gl518sm.o | 37 | obj-$(CONFIG_SENSORS_GL518SM) += gl518sm.o |
diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c new file mode 100644 index 000000000000..6425184d9316 --- /dev/null +++ b/drivers/hwmon/f75375s.c | |||
@@ -0,0 +1,691 @@ | |||
1 | /* | ||
2 | * f75375s.c - driver for the Fintek F75375/SP and F75373 | ||
3 | * hardware monitoring features | ||
4 | * Copyright (C) 2006-2007 Riku Voipio <riku.voipio@movial.fi> | ||
5 | * | ||
6 | * Datasheets available at: | ||
7 | * | ||
8 | * f75375: | ||
9 | * http://www.fintek.com.tw/files/productfiles/2005111152950.pdf | ||
10 | * | ||
11 | * f75373: | ||
12 | * http://www.fintek.com.tw/files/productfiles/2005111153128.pdf | ||
13 | * | ||
14 | * This program is free software; you can redistribute it and/or modify | ||
15 | * it under the terms of the GNU General Public License as published by | ||
16 | * the Free Software Foundation; either version 2 of the License, or | ||
17 | * (at your option) any later version. | ||
18 | * | ||
19 | * This program is distributed in the hope that it will be useful, | ||
20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
22 | * GNU General Public License for more details. | ||
23 | * | ||
24 | * You should have received a copy of the GNU General Public License | ||
25 | * along with this program; if not, write to the Free Software | ||
26 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
27 | * | ||
28 | */ | ||
29 | |||
30 | #include <linux/module.h> | ||
31 | #include <linux/jiffies.h> | ||
32 | #include <linux/hwmon.h> | ||
33 | #include <linux/hwmon-sysfs.h> | ||
34 | #include <linux/i2c.h> | ||
35 | #include <linux/err.h> | ||
36 | #include <linux/mutex.h> | ||
37 | |||
38 | /* Addresses to scan */ | ||
39 | static unsigned short normal_i2c[] = { 0x2d, 0x2e, I2C_CLIENT_END }; | ||
40 | |||
41 | /* Insmod parameters */ | ||
42 | I2C_CLIENT_INSMOD_2(f75373, f75375); | ||
43 | |||
44 | /* Fintek F75375 registers */ | ||
45 | #define F75375_REG_CONFIG0 0x0 | ||
46 | #define F75375_REG_CONFIG1 0x1 | ||
47 | #define F75375_REG_CONFIG2 0x2 | ||
48 | #define F75375_REG_CONFIG3 0x3 | ||
49 | #define F75375_REG_ADDR 0x4 | ||
50 | #define F75375_REG_INTR 0x31 | ||
51 | #define F75375_CHIP_ID 0x5A | ||
52 | #define F75375_REG_VERSION 0x5C | ||
53 | #define F75375_REG_VENDOR 0x5D | ||
54 | #define F75375_REG_FAN_TIMER 0x60 | ||
55 | |||
56 | #define F75375_REG_VOLT(nr) (0x10 + (nr)) | ||
57 | #define F75375_REG_VOLT_HIGH(nr) (0x20 + (nr) * 2) | ||
58 | #define F75375_REG_VOLT_LOW(nr) (0x21 + (nr) * 2) | ||
59 | |||
60 | #define F75375_REG_TEMP(nr) (0x14 + (nr)) | ||
61 | #define F75375_REG_TEMP_HIGH(nr) (0x28 + (nr) * 2) | ||
62 | #define F75375_REG_TEMP_HYST(nr) (0x29 + (nr) * 2) | ||
63 | |||
64 | #define F75375_REG_FAN(nr) (0x16 + (nr) * 2) | ||
65 | #define F75375_REG_FAN_MIN(nr) (0x2C + (nr) * 2) | ||
66 | #define F75375_REG_FAN_FULL(nr) (0x70 + (nr) * 0x10) | ||
67 | #define F75375_REG_FAN_PWM_DUTY(nr) (0x76 + (nr) * 0x10) | ||
68 | #define F75375_REG_FAN_PWM_CLOCK(nr) (0x7D + (nr) * 0x10) | ||
69 | |||
70 | #define F75375_REG_FAN_EXP(nr) (0x74 + (nr) * 0x10) | ||
71 | #define F75375_REG_FAN_B_TEMP(nr, step) ((0xA0 + (nr) * 0x10) + (step)) | ||
72 | #define F75375_REG_FAN_B_SPEED(nr, step) \ | ||
73 | ((0xA5 + (nr) * 0x10) + (step) * 2) | ||
74 | |||
75 | #define F75375_REG_PWM1_RAISE_DUTY 0x69 | ||
76 | #define F75375_REG_PWM2_RAISE_DUTY 0x6A | ||
77 | #define F75375_REG_PWM1_DROP_DUTY 0x6B | ||
78 | #define F75375_REG_PWM2_DROP_DUTY 0x6C | ||
79 | |||
80 | #define FAN_CTRL_LINEAR(nr) (4 + nr) | ||
81 | #define FAN_CTRL_MODE(nr) (5 + ((nr) * 2)) | ||
82 | |||
83 | /* | ||
84 | * Data structures and manipulation thereof | ||
85 | */ | ||
86 | |||
87 | struct f75375_data { | ||
88 | unsigned short addr; | ||
89 | struct i2c_client client; | ||
90 | struct class_device *class_dev; | ||
91 | |||
92 | const char *name; | ||
93 | int kind; | ||
94 | struct mutex update_lock; /* protect register access */ | ||
95 | char valid; | ||
96 | unsigned long last_updated; /* In jiffies */ | ||
97 | unsigned long last_limits; /* In jiffies */ | ||
98 | |||
99 | /* Register values */ | ||
100 | u8 in[4]; | ||
101 | u8 in_max[4]; | ||
102 | u8 in_min[4]; | ||
103 | u16 fan[2]; | ||
104 | u16 fan_min[2]; | ||
105 | u16 fan_full[2]; | ||
106 | u16 fan_exp[2]; | ||
107 | u8 fan_timer; | ||
108 | u8 pwm[2]; | ||
109 | u8 pwm_mode[2]; | ||
110 | u8 pwm_enable[2]; | ||
111 | s8 temp[2]; | ||
112 | s8 temp_high[2]; | ||
113 | s8 temp_max_hyst[2]; | ||
114 | }; | ||
115 | |||
116 | static int f75375_attach_adapter(struct i2c_adapter *adapter); | ||
117 | static int f75375_detect(struct i2c_adapter *adapter, int address, int kind); | ||
118 | static int f75375_detach_client(struct i2c_client *client); | ||
119 | |||
120 | static struct i2c_driver f75375_driver = { | ||
121 | .driver = { | ||
122 | .name = "f75375", | ||
123 | }, | ||
124 | .attach_adapter = f75375_attach_adapter, | ||
125 | .detach_client = f75375_detach_client, | ||
126 | }; | ||
127 | |||
128 | static inline int f75375_read8(struct i2c_client *client, u8 reg) | ||
129 | { | ||
130 | return i2c_smbus_read_byte_data(client, reg); | ||
131 | } | ||
132 | |||
133 | /* in most cases, should be called while holding update_lock */ | ||
134 | static inline u16 f75375_read16(struct i2c_client *client, u8 reg) | ||
135 | { | ||
136 | return ((i2c_smbus_read_byte_data(client, reg) << 8) | ||
137 | | i2c_smbus_read_byte_data(client, reg + 1)); | ||
138 | } | ||
139 | |||
140 | static inline void f75375_write8(struct i2c_client *client, u8 reg, | ||
141 | u8 value) | ||
142 | { | ||
143 | i2c_smbus_write_byte_data(client, reg, value); | ||
144 | } | ||
145 | |||
146 | static inline void f75375_write16(struct i2c_client *client, u8 reg, | ||
147 | u16 value) | ||
148 | { | ||
149 | int err = i2c_smbus_write_byte_data(client, reg, (value << 8)); | ||
150 | if (err) | ||
151 | return; | ||
152 | i2c_smbus_write_byte_data(client, reg + 1, (value & 0xFF)); | ||
153 | } | ||
154 | |||
155 | static struct f75375_data *f75375_update_device(struct device *dev) | ||
156 | { | ||
157 | struct i2c_client *client = to_i2c_client(dev); | ||
158 | struct f75375_data *data = i2c_get_clientdata(client); | ||
159 | int nr; | ||
160 | |||
161 | mutex_lock(&data->update_lock); | ||
162 | |||
163 | /* Limit registers cache is refreshed after 60 seconds */ | ||
164 | if (time_after(jiffies, data->last_limits + 60 * HZ) | ||
165 | || !data->valid) { | ||
166 | for (nr = 0; nr < 2; nr++) { | ||
167 | data->temp_high[nr] = | ||
168 | f75375_read8(client, F75375_REG_TEMP_HIGH(nr)); | ||
169 | data->temp_max_hyst[nr] = | ||
170 | f75375_read8(client, F75375_REG_TEMP_HYST(nr)); | ||
171 | data->fan_full[nr] = | ||
172 | f75375_read16(client, F75375_REG_FAN_FULL(nr)); | ||
173 | data->fan_min[nr] = | ||
174 | f75375_read16(client, F75375_REG_FAN_MIN(nr)); | ||
175 | data->fan_exp[nr] = | ||
176 | f75375_read16(client, F75375_REG_FAN_EXP(nr)); | ||
177 | data->pwm[nr] = f75375_read8(client, | ||
178 | F75375_REG_FAN_PWM_DUTY(nr)); | ||
179 | |||
180 | } | ||
181 | for (nr = 0; nr < 4; nr++) { | ||
182 | data->in_max[nr] = | ||
183 | f75375_read8(client, F75375_REG_VOLT_HIGH(nr)); | ||
184 | data->in_min[nr] = | ||
185 | f75375_read8(client, F75375_REG_VOLT_LOW(nr)); | ||
186 | } | ||
187 | data->fan_timer = f75375_read8(client, F75375_REG_FAN_TIMER); | ||
188 | data->last_limits = jiffies; | ||
189 | } | ||
190 | |||
191 | /* Measurement registers cache is refreshed after 2 second */ | ||
192 | if (time_after(jiffies, data->last_updated + 2 * HZ) | ||
193 | || !data->valid) { | ||
194 | for (nr = 0; nr < 2; nr++) { | ||
195 | data->temp[nr] = | ||
196 | f75375_read8(client, F75375_REG_TEMP(nr)); | ||
197 | data->fan[nr] = | ||
198 | f75375_read16(client, F75375_REG_FAN(nr)); | ||
199 | } | ||
200 | for (nr = 0; nr < 4; nr++) | ||
201 | data->in[nr] = | ||
202 | f75375_read8(client, F75375_REG_VOLT(nr)); | ||
203 | |||
204 | data->last_updated = jiffies; | ||
205 | data->valid = 1; | ||
206 | } | ||
207 | |||
208 | mutex_unlock(&data->update_lock); | ||
209 | return data; | ||
210 | } | ||
211 | |||
212 | static inline u16 rpm_from_reg(u16 reg) | ||
213 | { | ||
214 | if (reg == 0 || reg == 0xffff) | ||
215 | return 0; | ||
216 | return (1500000 / reg); | ||
217 | } | ||
218 | |||
219 | static inline u16 rpm_to_reg(int rpm) | ||
220 | { | ||
221 | if (rpm < 367 || rpm > 0xffff) | ||
222 | return 0xffff; | ||
223 | return (1500000 / rpm); | ||
224 | } | ||
225 | |||
226 | static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr, | ||
227 | const char *buf, size_t count) | ||
228 | { | ||
229 | int nr = to_sensor_dev_attr(attr)->index; | ||
230 | struct i2c_client *client = to_i2c_client(dev); | ||
231 | struct f75375_data *data = i2c_get_clientdata(client); | ||
232 | int val = simple_strtoul(buf, NULL, 10); | ||
233 | |||
234 | mutex_lock(&data->update_lock); | ||
235 | data->fan_min[nr] = rpm_to_reg(val); | ||
236 | f75375_write16(client, F75375_REG_FAN_MIN(nr), data->fan_min[nr]); | ||
237 | mutex_unlock(&data->update_lock); | ||
238 | return count; | ||
239 | } | ||
240 | |||
241 | static ssize_t set_fan_exp(struct device *dev, struct device_attribute *attr, | ||
242 | const char *buf, size_t count) | ||
243 | { | ||
244 | int nr = to_sensor_dev_attr(attr)->index; | ||
245 | struct i2c_client *client = to_i2c_client(dev); | ||
246 | struct f75375_data *data = i2c_get_clientdata(client); | ||
247 | int val = simple_strtoul(buf, NULL, 10); | ||
248 | |||
249 | mutex_lock(&data->update_lock); | ||
250 | data->fan_exp[nr] = rpm_to_reg(val); | ||
251 | f75375_write16(client, F75375_REG_FAN_EXP(nr), data->fan_exp[nr]); | ||
252 | mutex_unlock(&data->update_lock); | ||
253 | return count; | ||
254 | } | ||
255 | |||
256 | static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, | ||
257 | const char *buf, size_t count) | ||
258 | { | ||
259 | int nr = to_sensor_dev_attr(attr)->index; | ||
260 | struct i2c_client *client = to_i2c_client(dev); | ||
261 | struct f75375_data *data = i2c_get_clientdata(client); | ||
262 | int val = simple_strtoul(buf, NULL, 10); | ||
263 | |||
264 | mutex_lock(&data->update_lock); | ||
265 | data->pwm[nr] = SENSORS_LIMIT(val, 0, 255); | ||
266 | f75375_write8(client, F75375_REG_FAN_PWM_DUTY(nr), data->pwm[nr]); | ||
267 | mutex_unlock(&data->update_lock); | ||
268 | return count; | ||
269 | } | ||
270 | |||
271 | static ssize_t show_pwm_enable(struct device *dev, struct device_attribute | ||
272 | *attr, char *buf) | ||
273 | { | ||
274 | int nr = to_sensor_dev_attr(attr)->index; | ||
275 | struct f75375_data *data = f75375_update_device(dev); | ||
276 | return sprintf(buf, "%d\n", data->pwm_enable[nr]); | ||
277 | } | ||
278 | |||
279 | static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr, | ||
280 | const char *buf, size_t count) | ||
281 | { | ||
282 | int nr = to_sensor_dev_attr(attr)->index; | ||
283 | struct i2c_client *client = to_i2c_client(dev); | ||
284 | struct f75375_data *data = i2c_get_clientdata(client); | ||
285 | int val = simple_strtoul(buf, NULL, 10); | ||
286 | u8 fanmode; | ||
287 | |||
288 | if (val < 0 || val > 4) | ||
289 | return -EINVAL; | ||
290 | |||
291 | mutex_lock(&data->update_lock); | ||
292 | fanmode = f75375_read8(client, F75375_REG_FAN_TIMER); | ||
293 | fanmode = ~(3 << FAN_CTRL_MODE(nr)); | ||
294 | |||
295 | switch (val) { | ||
296 | case 0: /* Full speed */ | ||
297 | fanmode |= (3 << FAN_CTRL_MODE(nr)); | ||
298 | data->pwm[nr] = 255; | ||
299 | f75375_write8(client, F75375_REG_FAN_PWM_DUTY(nr), | ||
300 | data->pwm[nr]); | ||
301 | break; | ||
302 | case 1: /* PWM */ | ||
303 | fanmode |= (3 << FAN_CTRL_MODE(nr)); | ||
304 | break; | ||
305 | case 2: /* AUTOMATIC*/ | ||
306 | fanmode |= (2 << FAN_CTRL_MODE(nr)); | ||
307 | break; | ||
308 | case 3: /* fan speed */ | ||
309 | break; | ||
310 | } | ||
311 | f75375_write8(client, F75375_REG_FAN_TIMER, fanmode); | ||
312 | data->pwm_enable[nr] = val; | ||
313 | mutex_unlock(&data->update_lock); | ||
314 | return count; | ||
315 | } | ||
316 | |||
317 | static ssize_t set_pwm_mode(struct device *dev, struct device_attribute *attr, | ||
318 | const char *buf, size_t count) | ||
319 | { | ||
320 | int nr = to_sensor_dev_attr(attr)->index; | ||
321 | struct i2c_client *client = to_i2c_client(dev); | ||
322 | struct f75375_data *data = i2c_get_clientdata(client); | ||
323 | int val = simple_strtoul(buf, NULL, 10); | ||
324 | u8 conf = 0; | ||
325 | |||
326 | if (val != 0 || val != 1 || data->kind == f75373) | ||
327 | return -EINVAL; | ||
328 | |||
329 | mutex_lock(&data->update_lock); | ||
330 | conf = f75375_read8(client, F75375_REG_CONFIG1); | ||
331 | conf = ~(1 << FAN_CTRL_LINEAR(nr)); | ||
332 | |||
333 | if (val == 0) | ||
334 | conf |= (1 << FAN_CTRL_LINEAR(nr)) ; | ||
335 | |||
336 | f75375_write8(client, F75375_REG_CONFIG1, conf); | ||
337 | data->pwm_mode[nr] = val; | ||
338 | mutex_unlock(&data->update_lock); | ||
339 | return count; | ||
340 | } | ||
341 | |||
342 | static ssize_t show_pwm(struct device *dev, struct device_attribute | ||
343 | *attr, char *buf) | ||
344 | { | ||
345 | int nr = to_sensor_dev_attr(attr)->index; | ||
346 | struct f75375_data *data = f75375_update_device(dev); | ||
347 | return sprintf(buf, "%d\n", data->pwm[nr]); | ||
348 | } | ||
349 | |||
350 | static ssize_t show_pwm_mode(struct device *dev, struct device_attribute | ||
351 | *attr, char *buf) | ||
352 | { | ||
353 | int nr = to_sensor_dev_attr(attr)->index; | ||
354 | struct f75375_data *data = f75375_update_device(dev); | ||
355 | return sprintf(buf, "%d\n", data->pwm_mode[nr]); | ||
356 | } | ||
357 | |||
358 | #define VOLT_FROM_REG(val) ((val) * 8) | ||
359 | #define VOLT_TO_REG(val) ((val) / 8) | ||
360 | |||
361 | static ssize_t show_in(struct device *dev, struct device_attribute *attr, | ||
362 | char *buf) | ||
363 | { | ||
364 | int nr = to_sensor_dev_attr(attr)->index; | ||
365 | struct f75375_data *data = f75375_update_device(dev); | ||
366 | return sprintf(buf, "%d\n", VOLT_FROM_REG(data->in[nr])); | ||
367 | } | ||
368 | |||
369 | static ssize_t show_in_max(struct device *dev, struct device_attribute *attr, | ||
370 | char *buf) | ||
371 | { | ||
372 | int nr = to_sensor_dev_attr(attr)->index; | ||
373 | struct f75375_data *data = f75375_update_device(dev); | ||
374 | return sprintf(buf, "%d\n", VOLT_FROM_REG(data->in_max[nr])); | ||
375 | } | ||
376 | |||
377 | static ssize_t show_in_min(struct device *dev, struct device_attribute *attr, | ||
378 | char *buf) | ||
379 | { | ||
380 | int nr = to_sensor_dev_attr(attr)->index; | ||
381 | struct f75375_data *data = f75375_update_device(dev); | ||
382 | return sprintf(buf, "%d\n", VOLT_FROM_REG(data->in_min[nr])); | ||
383 | } | ||
384 | |||
385 | static ssize_t set_in_max(struct device *dev, struct device_attribute *attr, | ||
386 | const char *buf, size_t count) | ||
387 | { | ||
388 | int nr = to_sensor_dev_attr(attr)->index; | ||
389 | struct i2c_client *client = to_i2c_client(dev); | ||
390 | struct f75375_data *data = i2c_get_clientdata(client); | ||
391 | int val = simple_strtoul(buf, NULL, 10); | ||
392 | val = SENSORS_LIMIT(VOLT_TO_REG(val), 0, 0xff); | ||
393 | mutex_lock(&data->update_lock); | ||
394 | data->in_max[nr] = val; | ||
395 | f75375_write8(client, F75375_REG_VOLT_HIGH(nr), data->in_max[nr]); | ||
396 | mutex_unlock(&data->update_lock); | ||
397 | return count; | ||
398 | } | ||
399 | |||
400 | static ssize_t set_in_min(struct device *dev, struct device_attribute *attr, | ||
401 | const char *buf, size_t count) | ||
402 | { | ||
403 | int nr = to_sensor_dev_attr(attr)->index; | ||
404 | struct i2c_client *client = to_i2c_client(dev); | ||
405 | struct f75375_data *data = i2c_get_clientdata(client); | ||
406 | int val = simple_strtoul(buf, NULL, 10); | ||
407 | val = SENSORS_LIMIT(VOLT_TO_REG(val), 0, 0xff); | ||
408 | mutex_lock(&data->update_lock); | ||
409 | data->in_min[nr] = val; | ||
410 | f75375_write8(client, F75375_REG_VOLT_LOW(nr), data->in_min[nr]); | ||
411 | mutex_unlock(&data->update_lock); | ||
412 | return count; | ||
413 | } | ||
414 | #define TEMP_FROM_REG(val) ((val) * 1000) | ||
415 | #define TEMP_TO_REG(val) ((val) / 1000) | ||
416 | |||
417 | static ssize_t show_temp(struct device *dev, struct device_attribute *attr, | ||
418 | char *buf) | ||
419 | { | ||
420 | int nr = to_sensor_dev_attr(attr)->index; | ||
421 | struct f75375_data *data = f75375_update_device(dev); | ||
422 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr])); | ||
423 | } | ||
424 | |||
425 | static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr, | ||
426 | char *buf) | ||
427 | { | ||
428 | int nr = to_sensor_dev_attr(attr)->index; | ||
429 | struct f75375_data *data = f75375_update_device(dev); | ||
430 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_high[nr])); | ||
431 | } | ||
432 | |||
433 | static ssize_t show_temp_max_hyst(struct device *dev, | ||
434 | struct device_attribute *attr, char *buf) | ||
435 | { | ||
436 | int nr = to_sensor_dev_attr(attr)->index; | ||
437 | struct f75375_data *data = f75375_update_device(dev); | ||
438 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max_hyst[nr])); | ||
439 | } | ||
440 | |||
441 | static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, | ||
442 | const char *buf, size_t count) | ||
443 | { | ||
444 | int nr = to_sensor_dev_attr(attr)->index; | ||
445 | struct i2c_client *client = to_i2c_client(dev); | ||
446 | struct f75375_data *data = i2c_get_clientdata(client); | ||
447 | int val = simple_strtol(buf, NULL, 10); | ||
448 | val = SENSORS_LIMIT(TEMP_TO_REG(val), 0, 127); | ||
449 | mutex_lock(&data->update_lock); | ||
450 | data->temp_high[nr] = val; | ||
451 | f75375_write8(client, F75375_REG_TEMP_HIGH(nr), data->temp_high[nr]); | ||
452 | mutex_unlock(&data->update_lock); | ||
453 | return count; | ||
454 | } | ||
455 | |||
456 | static ssize_t set_temp_max_hyst(struct device *dev, | ||
457 | struct device_attribute *attr, const char *buf, size_t count) | ||
458 | { | ||
459 | int nr = to_sensor_dev_attr(attr)->index; | ||
460 | struct i2c_client *client = to_i2c_client(dev); | ||
461 | struct f75375_data *data = i2c_get_clientdata(client); | ||
462 | int val = simple_strtol(buf, NULL, 10); | ||
463 | val = SENSORS_LIMIT(TEMP_TO_REG(val), 0, 127); | ||
464 | mutex_lock(&data->update_lock); | ||
465 | data->temp_max_hyst[nr] = val; | ||
466 | f75375_write8(client, F75375_REG_TEMP_HYST(nr), | ||
467 | data->temp_max_hyst[nr]); | ||
468 | mutex_unlock(&data->update_lock); | ||
469 | return count; | ||
470 | } | ||
471 | |||
472 | #define show_fan(thing) \ | ||
473 | static ssize_t show_##thing(struct device *dev, struct device_attribute *attr, \ | ||
474 | char *buf)\ | ||
475 | {\ | ||
476 | int nr = to_sensor_dev_attr(attr)->index;\ | ||
477 | struct f75375_data *data = f75375_update_device(dev); \ | ||
478 | return sprintf(buf, "%d\n", rpm_from_reg(data->thing[nr])); \ | ||
479 | } | ||
480 | |||
481 | show_fan(fan); | ||
482 | show_fan(fan_min); | ||
483 | show_fan(fan_full); | ||
484 | show_fan(fan_exp); | ||
485 | |||
486 | static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_in, NULL, 0); | ||
487 | static SENSOR_DEVICE_ATTR(in0_max, S_IRUGO|S_IWUSR, | ||
488 | show_in_max, set_in_max, 0); | ||
489 | static SENSOR_DEVICE_ATTR(in0_min, S_IRUGO|S_IWUSR, | ||
490 | show_in_min, set_in_min, 0); | ||
491 | static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1); | ||
492 | static SENSOR_DEVICE_ATTR(in1_max, S_IRUGO|S_IWUSR, | ||
493 | show_in_max, set_in_max, 1); | ||
494 | static SENSOR_DEVICE_ATTR(in1_min, S_IRUGO|S_IWUSR, | ||
495 | show_in_min, set_in_min, 1); | ||
496 | static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 2); | ||
497 | static SENSOR_DEVICE_ATTR(in2_max, S_IRUGO|S_IWUSR, | ||
498 | show_in_max, set_in_max, 2); | ||
499 | static SENSOR_DEVICE_ATTR(in2_min, S_IRUGO|S_IWUSR, | ||
500 | show_in_min, set_in_min, 2); | ||
501 | static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 3); | ||
502 | static SENSOR_DEVICE_ATTR(in3_max, S_IRUGO|S_IWUSR, | ||
503 | show_in_max, set_in_max, 3); | ||
504 | static SENSOR_DEVICE_ATTR(in3_min, S_IRUGO|S_IWUSR, | ||
505 | show_in_min, set_in_min, 3); | ||
506 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0); | ||
507 | static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO|S_IWUSR, | ||
508 | show_temp_max_hyst, set_temp_max_hyst, 0); | ||
509 | static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO|S_IWUSR, | ||
510 | show_temp_max, set_temp_max, 0); | ||
511 | static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1); | ||
512 | static SENSOR_DEVICE_ATTR(temp2_max_hyst, S_IRUGO|S_IWUSR, | ||
513 | show_temp_max_hyst, set_temp_max_hyst, 1); | ||
514 | static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO|S_IWUSR, | ||
515 | show_temp_max, set_temp_max, 1); | ||
516 | static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0); | ||
517 | static SENSOR_DEVICE_ATTR(fan1_full, S_IRUGO, show_fan_full, NULL, 0); | ||
518 | static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO|S_IWUSR, | ||
519 | show_fan_min, set_fan_min, 0); | ||
520 | static SENSOR_DEVICE_ATTR(fan1_exp, S_IRUGO|S_IWUSR, | ||
521 | show_fan_exp, set_fan_exp, 0); | ||
522 | static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1); | ||
523 | static SENSOR_DEVICE_ATTR(fan2_full, S_IRUGO, show_fan_full, NULL, 1); | ||
524 | static SENSOR_DEVICE_ATTR(fan2_min, S_IRUGO|S_IWUSR, | ||
525 | show_fan_min, set_fan_min, 1); | ||
526 | static SENSOR_DEVICE_ATTR(fan2_exp, S_IRUGO|S_IWUSR, | ||
527 | show_fan_exp, set_fan_exp, 1); | ||
528 | static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, | ||
529 | show_pwm, set_pwm, 0); | ||
530 | static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, | ||
531 | show_pwm_enable, set_pwm_enable, 0); | ||
532 | static SENSOR_DEVICE_ATTR(pwm1_mode, S_IRUGO|S_IWUSR, | ||
533 | show_pwm_mode, set_pwm_mode, 0); | ||
534 | static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, | ||
535 | show_pwm, set_pwm, 1); | ||
536 | static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, | ||
537 | show_pwm_enable, set_pwm_enable, 1); | ||
538 | static SENSOR_DEVICE_ATTR(pwm2_mode, S_IRUGO|S_IWUSR, | ||
539 | show_pwm_mode, set_pwm_mode, 1); | ||
540 | |||
541 | static struct attribute *f75375_attributes[] = { | ||
542 | &sensor_dev_attr_temp1_input.dev_attr.attr, | ||
543 | &sensor_dev_attr_temp1_max.dev_attr.attr, | ||
544 | &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, | ||
545 | &sensor_dev_attr_temp2_input.dev_attr.attr, | ||
546 | &sensor_dev_attr_temp2_max.dev_attr.attr, | ||
547 | &sensor_dev_attr_temp2_max_hyst.dev_attr.attr, | ||
548 | &sensor_dev_attr_fan1_input.dev_attr.attr, | ||
549 | &sensor_dev_attr_fan1_full.dev_attr.attr, | ||
550 | &sensor_dev_attr_fan1_min.dev_attr.attr, | ||
551 | &sensor_dev_attr_fan1_exp.dev_attr.attr, | ||
552 | &sensor_dev_attr_fan2_input.dev_attr.attr, | ||
553 | &sensor_dev_attr_fan2_full.dev_attr.attr, | ||
554 | &sensor_dev_attr_fan2_min.dev_attr.attr, | ||
555 | &sensor_dev_attr_fan2_exp.dev_attr.attr, | ||
556 | &sensor_dev_attr_pwm1.dev_attr.attr, | ||
557 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, | ||
558 | &sensor_dev_attr_pwm1_mode.dev_attr.attr, | ||
559 | &sensor_dev_attr_pwm2.dev_attr.attr, | ||
560 | &sensor_dev_attr_pwm2_enable.dev_attr.attr, | ||
561 | &sensor_dev_attr_pwm2_mode.dev_attr.attr, | ||
562 | &sensor_dev_attr_in0_input.dev_attr.attr, | ||
563 | &sensor_dev_attr_in0_max.dev_attr.attr, | ||
564 | &sensor_dev_attr_in0_min.dev_attr.attr, | ||
565 | &sensor_dev_attr_in1_input.dev_attr.attr, | ||
566 | &sensor_dev_attr_in1_max.dev_attr.attr, | ||
567 | &sensor_dev_attr_in1_min.dev_attr.attr, | ||
568 | &sensor_dev_attr_in2_input.dev_attr.attr, | ||
569 | &sensor_dev_attr_in2_max.dev_attr.attr, | ||
570 | &sensor_dev_attr_in2_min.dev_attr.attr, | ||
571 | &sensor_dev_attr_in3_input.dev_attr.attr, | ||
572 | &sensor_dev_attr_in3_max.dev_attr.attr, | ||
573 | &sensor_dev_attr_in3_min.dev_attr.attr, | ||
574 | NULL | ||
575 | }; | ||
576 | |||
577 | static const struct attribute_group f75375_group = { | ||
578 | .attrs = f75375_attributes, | ||
579 | }; | ||
580 | |||
581 | static int f75375_detach_client(struct i2c_client *client) | ||
582 | { | ||
583 | struct f75375_data *data = i2c_get_clientdata(client); | ||
584 | int err; | ||
585 | |||
586 | hwmon_device_unregister(data->class_dev); | ||
587 | sysfs_remove_group(&client->dev.kobj, &f75375_group); | ||
588 | |||
589 | err = i2c_detach_client(client); | ||
590 | if (err) { | ||
591 | dev_err(&client->dev, | ||
592 | "Client deregistration failed, " | ||
593 | "client not detached.\n"); | ||
594 | return err; | ||
595 | } | ||
596 | kfree(data); | ||
597 | return 0; | ||
598 | } | ||
599 | |||
600 | static int f75375_attach_adapter(struct i2c_adapter *adapter) | ||
601 | { | ||
602 | if (!(adapter->class & I2C_CLASS_HWMON)) | ||
603 | return 0; | ||
604 | return i2c_probe(adapter, &addr_data, f75375_detect); | ||
605 | } | ||
606 | |||
607 | /* This function is called by i2c_probe */ | ||
608 | static int f75375_detect(struct i2c_adapter *adapter, int address, int kind) | ||
609 | { | ||
610 | struct i2c_client *client; | ||
611 | struct f75375_data *data; | ||
612 | u8 version = 0; | ||
613 | int err = 0; | ||
614 | const char *name = ""; | ||
615 | |||
616 | if (!(data = kzalloc(sizeof(struct f75375_data), GFP_KERNEL))) { | ||
617 | err = -ENOMEM; | ||
618 | goto exit; | ||
619 | } | ||
620 | client = &data->client; | ||
621 | i2c_set_clientdata(client, data); | ||
622 | client->addr = address; | ||
623 | client->adapter = adapter; | ||
624 | client->driver = &f75375_driver; | ||
625 | |||
626 | if (kind < 0) { | ||
627 | u16 vendid = f75375_read16(client, F75375_REG_VENDOR); | ||
628 | u16 chipid = f75375_read16(client, F75375_CHIP_ID); | ||
629 | version = f75375_read8(client, F75375_REG_VERSION); | ||
630 | if (chipid == 0x0306 && vendid == 0x1934) { | ||
631 | kind = f75375; | ||
632 | } else if (chipid == 0x0204 && vendid == 0x1934) { | ||
633 | kind = f75373; | ||
634 | } else { | ||
635 | dev_err(&adapter->dev, | ||
636 | "failed,%02X,%02X,%02X\n", | ||
637 | chipid, version, vendid); | ||
638 | goto exit_free; | ||
639 | } | ||
640 | } | ||
641 | |||
642 | if (kind == f75375) { | ||
643 | name = "f75375"; | ||
644 | } else if (kind == f75373) { | ||
645 | name = "f75373"; | ||
646 | } | ||
647 | |||
648 | dev_info(&adapter->dev, "found %s version: %02X\n", name, version); | ||
649 | strlcpy(client->name, name, I2C_NAME_SIZE); | ||
650 | data->kind = kind; | ||
651 | mutex_init(&data->update_lock); | ||
652 | if ((err = i2c_attach_client(client))) | ||
653 | goto exit_free; | ||
654 | |||
655 | if ((err = sysfs_create_group(&client->dev.kobj, &f75375_group))) | ||
656 | goto exit_detach; | ||
657 | |||
658 | data->class_dev = hwmon_device_register(&client->dev); | ||
659 | if (IS_ERR(data->class_dev)) { | ||
660 | err = PTR_ERR(data->class_dev); | ||
661 | goto exit_remove; | ||
662 | } | ||
663 | |||
664 | return 0; | ||
665 | |||
666 | exit_remove: | ||
667 | sysfs_remove_group(&client->dev.kobj, &f75375_group); | ||
668 | exit_detach: | ||
669 | i2c_detach_client(client); | ||
670 | exit_free: | ||
671 | kfree(data); | ||
672 | exit: | ||
673 | return err; | ||
674 | } | ||
675 | |||
676 | static int __init sensors_f75375_init(void) | ||
677 | { | ||
678 | return i2c_add_driver(&f75375_driver); | ||
679 | } | ||
680 | |||
681 | static void __exit sensors_f75375_exit(void) | ||
682 | { | ||
683 | i2c_del_driver(&f75375_driver); | ||
684 | } | ||
685 | |||
686 | MODULE_AUTHOR("Riku Voipio <riku.voipio@movial.fi>"); | ||
687 | MODULE_LICENSE("GPL"); | ||
688 | MODULE_DESCRIPTION("F75373/F75375 hardware monitoring driver"); | ||
689 | |||
690 | module_init(sensors_f75375_init); | ||
691 | module_exit(sensors_f75375_exit); | ||