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1da177e4 LT |
1 | /* |
2 | * pc87360.c - Part of lm_sensors, Linux kernel modules | |
3 | * for hardware monitoring | |
f641b588 | 4 | * Copyright (C) 2004, 2007 Jean Delvare <khali@linux-fr.org> |
1da177e4 LT |
5 | * |
6 | * Copied from smsc47m1.c: | |
7 | * Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
22 | * | |
23 | * Supports the following chips: | |
24 | * | |
25 | * Chip #vin #fan #pwm #temp devid | |
26 | * PC87360 - 2 2 - 0xE1 | |
27 | * PC87363 - 2 2 - 0xE8 | |
28 | * PC87364 - 3 3 - 0xE4 | |
29 | * PC87365 11 3 3 2 0xE5 | |
30 | * PC87366 11 3 3 3-4 0xE9 | |
31 | * | |
32 | * This driver assumes that no more than one chip is present, and one of | |
33 | * the standard Super-I/O addresses is used (0x2E/0x2F or 0x4E/0x4F). | |
34 | */ | |
35 | ||
1da177e4 LT |
36 | #include <linux/module.h> |
37 | #include <linux/init.h> | |
38 | #include <linux/slab.h> | |
39 | #include <linux/jiffies.h> | |
f641b588 | 40 | #include <linux/platform_device.h> |
943b0830 | 41 | #include <linux/hwmon.h> |
f0986bd8 | 42 | #include <linux/hwmon-sysfs.h> |
303760b4 | 43 | #include <linux/hwmon-vid.h> |
943b0830 | 44 | #include <linux/err.h> |
9a61bf63 | 45 | #include <linux/mutex.h> |
1da177e4 LT |
46 | #include <asm/io.h> |
47 | ||
1da177e4 | 48 | static u8 devid; |
f641b588 | 49 | static struct platform_device *pdev; |
2d8672c5 | 50 | static unsigned short extra_isa[3]; |
1da177e4 LT |
51 | static u8 confreg[4]; |
52 | ||
1da177e4 LT |
53 | static int init = 1; |
54 | module_param(init, int, 0); | |
55 | MODULE_PARM_DESC(init, | |
56 | "Chip initialization level:\n" | |
57 | " 0: None\n" | |
58 | "*1: Forcibly enable internal voltage and temperature channels, except in9\n" | |
59 | " 2: Forcibly enable all voltage and temperature channels, except in9\n" | |
60 | " 3: Forcibly enable all voltage and temperature channels, including in9"); | |
61 | ||
62 | /* | |
63 | * Super-I/O registers and operations | |
64 | */ | |
65 | ||
66 | #define DEV 0x07 /* Register: Logical device select */ | |
67 | #define DEVID 0x20 /* Register: Device ID */ | |
68 | #define ACT 0x30 /* Register: Device activation */ | |
69 | #define BASE 0x60 /* Register: Base address */ | |
70 | ||
71 | #define FSCM 0x09 /* Logical device: fans */ | |
72 | #define VLM 0x0d /* Logical device: voltages */ | |
73 | #define TMS 0x0e /* Logical device: temperatures */ | |
74 | static const u8 logdev[3] = { FSCM, VLM, TMS }; | |
75 | ||
76 | #define LD_FAN 0 | |
77 | #define LD_IN 1 | |
78 | #define LD_TEMP 2 | |
79 | ||
80 | static inline void superio_outb(int sioaddr, int reg, int val) | |
81 | { | |
82 | outb(reg, sioaddr); | |
83 | outb(val, sioaddr+1); | |
84 | } | |
85 | ||
86 | static inline int superio_inb(int sioaddr, int reg) | |
87 | { | |
88 | outb(reg, sioaddr); | |
89 | return inb(sioaddr+1); | |
90 | } | |
91 | ||
92 | static inline void superio_exit(int sioaddr) | |
93 | { | |
94 | outb(0x02, sioaddr); | |
95 | outb(0x02, sioaddr+1); | |
96 | } | |
97 | ||
98 | /* | |
99 | * Logical devices | |
100 | */ | |
101 | ||
102 | #define PC87360_EXTENT 0x10 | |
103 | #define PC87365_REG_BANK 0x09 | |
104 | #define NO_BANK 0xff | |
105 | ||
106 | /* | |
107 | * Fan registers and conversions | |
108 | */ | |
109 | ||
110 | /* nr has to be 0 or 1 (PC87360/87363) or 2 (PC87364/87365/87366) */ | |
111 | #define PC87360_REG_PRESCALE(nr) (0x00 + 2 * (nr)) | |
112 | #define PC87360_REG_PWM(nr) (0x01 + 2 * (nr)) | |
113 | #define PC87360_REG_FAN_MIN(nr) (0x06 + 3 * (nr)) | |
114 | #define PC87360_REG_FAN(nr) (0x07 + 3 * (nr)) | |
115 | #define PC87360_REG_FAN_STATUS(nr) (0x08 + 3 * (nr)) | |
116 | ||
117 | #define FAN_FROM_REG(val,div) ((val) == 0 ? 0: \ | |
118 | 480000 / ((val)*(div))) | |
119 | #define FAN_TO_REG(val,div) ((val) <= 100 ? 0 : \ | |
120 | 480000 / ((val)*(div))) | |
121 | #define FAN_DIV_FROM_REG(val) (1 << ((val >> 5) & 0x03)) | |
122 | #define FAN_STATUS_FROM_REG(val) ((val) & 0x07) | |
123 | ||
124 | #define FAN_CONFIG_MONITOR(val,nr) (((val) >> (2 + nr * 3)) & 1) | |
125 | #define FAN_CONFIG_CONTROL(val,nr) (((val) >> (3 + nr * 3)) & 1) | |
126 | #define FAN_CONFIG_INVERT(val,nr) (((val) >> (4 + nr * 3)) & 1) | |
127 | ||
128 | #define PWM_FROM_REG(val,inv) ((inv) ? 255 - (val) : (val)) | |
129 | static inline u8 PWM_TO_REG(int val, int inv) | |
130 | { | |
131 | if (inv) | |
132 | val = 255 - val; | |
133 | if (val < 0) | |
134 | return 0; | |
135 | if (val > 255) | |
136 | return 255; | |
137 | return val; | |
138 | } | |
139 | ||
140 | /* | |
141 | * Voltage registers and conversions | |
142 | */ | |
143 | ||
144 | #define PC87365_REG_IN_CONVRATE 0x07 | |
145 | #define PC87365_REG_IN_CONFIG 0x08 | |
146 | #define PC87365_REG_IN 0x0B | |
147 | #define PC87365_REG_IN_MIN 0x0D | |
148 | #define PC87365_REG_IN_MAX 0x0C | |
149 | #define PC87365_REG_IN_STATUS 0x0A | |
150 | #define PC87365_REG_IN_ALARMS1 0x00 | |
151 | #define PC87365_REG_IN_ALARMS2 0x01 | |
152 | #define PC87365_REG_VID 0x06 | |
153 | ||
154 | #define IN_FROM_REG(val,ref) (((val) * (ref) + 128) / 256) | |
155 | #define IN_TO_REG(val,ref) ((val) < 0 ? 0 : \ | |
156 | (val)*256 >= (ref)*255 ? 255: \ | |
157 | ((val) * 256 + (ref)/2) / (ref)) | |
158 | ||
159 | /* | |
160 | * Temperature registers and conversions | |
161 | */ | |
162 | ||
163 | #define PC87365_REG_TEMP_CONFIG 0x08 | |
164 | #define PC87365_REG_TEMP 0x0B | |
165 | #define PC87365_REG_TEMP_MIN 0x0D | |
166 | #define PC87365_REG_TEMP_MAX 0x0C | |
167 | #define PC87365_REG_TEMP_CRIT 0x0E | |
168 | #define PC87365_REG_TEMP_STATUS 0x0A | |
169 | #define PC87365_REG_TEMP_ALARMS 0x00 | |
170 | ||
171 | #define TEMP_FROM_REG(val) ((val) * 1000) | |
172 | #define TEMP_TO_REG(val) ((val) < -55000 ? -55 : \ | |
173 | (val) > 127000 ? 127 : \ | |
174 | (val) < 0 ? ((val) - 500) / 1000 : \ | |
175 | ((val) + 500) / 1000) | |
176 | ||
177 | /* | |
f641b588 | 178 | * Device data |
1da177e4 LT |
179 | */ |
180 | ||
181 | struct pc87360_data { | |
f641b588 | 182 | const char *name; |
1beeffe4 | 183 | struct device *hwmon_dev; |
9a61bf63 IM |
184 | struct mutex lock; |
185 | struct mutex update_lock; | |
1da177e4 LT |
186 | char valid; /* !=0 if following fields are valid */ |
187 | unsigned long last_updated; /* In jiffies */ | |
188 | ||
189 | int address[3]; | |
190 | ||
191 | u8 fannr, innr, tempnr; | |
192 | ||
193 | u8 fan[3]; /* Register value */ | |
194 | u8 fan_min[3]; /* Register value */ | |
195 | u8 fan_status[3]; /* Register value */ | |
196 | u8 pwm[3]; /* Register value */ | |
197 | u16 fan_conf; /* Configuration register values, combined */ | |
198 | ||
199 | u16 in_vref; /* 1 mV/bit */ | |
200 | u8 in[14]; /* Register value */ | |
201 | u8 in_min[14]; /* Register value */ | |
202 | u8 in_max[14]; /* Register value */ | |
203 | u8 in_crit[3]; /* Register value */ | |
204 | u8 in_status[14]; /* Register value */ | |
205 | u16 in_alarms; /* Register values, combined, masked */ | |
206 | u8 vid_conf; /* Configuration register value */ | |
207 | u8 vrm; | |
208 | u8 vid; /* Register value */ | |
209 | ||
210 | s8 temp[3]; /* Register value */ | |
211 | s8 temp_min[3]; /* Register value */ | |
212 | s8 temp_max[3]; /* Register value */ | |
213 | s8 temp_crit[3]; /* Register value */ | |
214 | u8 temp_status[3]; /* Register value */ | |
215 | u8 temp_alarms; /* Register value, masked */ | |
216 | }; | |
217 | ||
218 | /* | |
219 | * Functions declaration | |
220 | */ | |
221 | ||
f641b588 | 222 | static int pc87360_probe(struct platform_device *pdev); |
d0546128 | 223 | static int __devexit pc87360_remove(struct platform_device *pdev); |
1da177e4 LT |
224 | |
225 | static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank, | |
226 | u8 reg); | |
227 | static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank, | |
228 | u8 reg, u8 value); | |
f641b588 JD |
229 | static void pc87360_init_device(struct platform_device *pdev, |
230 | int use_thermistors); | |
1da177e4 LT |
231 | static struct pc87360_data *pc87360_update_device(struct device *dev); |
232 | ||
233 | /* | |
f641b588 | 234 | * Driver data |
1da177e4 LT |
235 | */ |
236 | ||
f641b588 | 237 | static struct platform_driver pc87360_driver = { |
cdaf7934 | 238 | .driver = { |
87218842 | 239 | .owner = THIS_MODULE, |
cdaf7934 LR |
240 | .name = "pc87360", |
241 | }, | |
f641b588 JD |
242 | .probe = pc87360_probe, |
243 | .remove = __devexit_p(pc87360_remove), | |
1da177e4 LT |
244 | }; |
245 | ||
246 | /* | |
247 | * Sysfs stuff | |
248 | */ | |
249 | ||
f0986bd8 JC |
250 | static ssize_t show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf) |
251 | { | |
252 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
253 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 JC |
254 | return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan[attr->index], |
255 | FAN_DIV_FROM_REG(data->fan_status[attr->index]))); | |
f0986bd8 JC |
256 | } |
257 | static ssize_t show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf) | |
258 | { | |
259 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
260 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 JC |
261 | return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan_min[attr->index], |
262 | FAN_DIV_FROM_REG(data->fan_status[attr->index]))); | |
f0986bd8 JC |
263 | } |
264 | static ssize_t show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf) | |
265 | { | |
266 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
267 | struct pc87360_data *data = pc87360_update_device(dev); | |
268 | return sprintf(buf, "%u\n", | |
694fa056 | 269 | FAN_DIV_FROM_REG(data->fan_status[attr->index])); |
f0986bd8 JC |
270 | } |
271 | static ssize_t show_fan_status(struct device *dev, struct device_attribute *devattr, char *buf) | |
272 | { | |
273 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
274 | struct pc87360_data *data = pc87360_update_device(dev); | |
275 | return sprintf(buf, "%u\n", | |
694fa056 | 276 | FAN_STATUS_FROM_REG(data->fan_status[attr->index])); |
f0986bd8 JC |
277 | } |
278 | static ssize_t set_fan_min(struct device *dev, struct device_attribute *devattr, const char *buf, | |
279 | size_t count) | |
280 | { | |
281 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 282 | struct pc87360_data *data = dev_get_drvdata(dev); |
11be27ea JC |
283 | long fan_min = simple_strtol(buf, NULL, 10); |
284 | ||
9a61bf63 | 285 | mutex_lock(&data->update_lock); |
11be27ea JC |
286 | fan_min = FAN_TO_REG(fan_min, FAN_DIV_FROM_REG(data->fan_status[attr->index])); |
287 | ||
288 | /* If it wouldn't fit, change clock divisor */ | |
289 | while (fan_min > 255 | |
290 | && (data->fan_status[attr->index] & 0x60) != 0x60) { | |
291 | fan_min >>= 1; | |
292 | data->fan[attr->index] >>= 1; | |
293 | data->fan_status[attr->index] += 0x20; | |
294 | } | |
295 | data->fan_min[attr->index] = fan_min > 255 ? 255 : fan_min; | |
296 | pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_MIN(attr->index), | |
297 | data->fan_min[attr->index]); | |
298 | ||
299 | /* Write new divider, preserve alarm bits */ | |
300 | pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_STATUS(attr->index), | |
301 | data->fan_status[attr->index] & 0xF9); | |
9a61bf63 | 302 | mutex_unlock(&data->update_lock); |
11be27ea JC |
303 | |
304 | return count; | |
f0986bd8 JC |
305 | } |
306 | ||
dedc6a78 JC |
307 | static struct sensor_device_attribute fan_input[] = { |
308 | SENSOR_ATTR(fan1_input, S_IRUGO, show_fan_input, NULL, 0), | |
309 | SENSOR_ATTR(fan2_input, S_IRUGO, show_fan_input, NULL, 1), | |
310 | SENSOR_ATTR(fan3_input, S_IRUGO, show_fan_input, NULL, 2), | |
311 | }; | |
312 | static struct sensor_device_attribute fan_status[] = { | |
313 | SENSOR_ATTR(fan1_status, S_IRUGO, show_fan_status, NULL, 0), | |
314 | SENSOR_ATTR(fan2_status, S_IRUGO, show_fan_status, NULL, 1), | |
315 | SENSOR_ATTR(fan3_status, S_IRUGO, show_fan_status, NULL, 2), | |
316 | }; | |
317 | static struct sensor_device_attribute fan_div[] = { | |
318 | SENSOR_ATTR(fan1_div, S_IRUGO, show_fan_div, NULL, 0), | |
319 | SENSOR_ATTR(fan2_div, S_IRUGO, show_fan_div, NULL, 1), | |
320 | SENSOR_ATTR(fan3_div, S_IRUGO, show_fan_div, NULL, 2), | |
321 | }; | |
322 | static struct sensor_device_attribute fan_min[] = { | |
323 | SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 0), | |
324 | SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 1), | |
325 | SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 2), | |
326 | }; | |
1da177e4 | 327 | |
941c5c05 JC |
328 | #define FAN_UNIT_ATTRS(X) \ |
329 | &fan_input[X].dev_attr.attr, \ | |
330 | &fan_status[X].dev_attr.attr, \ | |
331 | &fan_div[X].dev_attr.attr, \ | |
332 | &fan_min[X].dev_attr.attr | |
333 | ||
f0986bd8 JC |
334 | static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, char *buf) |
335 | { | |
336 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
337 | struct pc87360_data *data = pc87360_update_device(dev); | |
338 | return sprintf(buf, "%u\n", | |
694fa056 | 339 | PWM_FROM_REG(data->pwm[attr->index], |
f0986bd8 | 340 | FAN_CONFIG_INVERT(data->fan_conf, |
694fa056 | 341 | attr->index))); |
f0986bd8 JC |
342 | } |
343 | static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, const char *buf, | |
344 | size_t count) | |
345 | { | |
346 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 347 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
348 | long val = simple_strtol(buf, NULL, 10); |
349 | ||
9a61bf63 | 350 | mutex_lock(&data->update_lock); |
694fa056 JC |
351 | data->pwm[attr->index] = PWM_TO_REG(val, |
352 | FAN_CONFIG_INVERT(data->fan_conf, attr->index)); | |
353 | pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_PWM(attr->index), | |
354 | data->pwm[attr->index]); | |
9a61bf63 | 355 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
356 | return count; |
357 | } | |
358 | ||
dedc6a78 JC |
359 | static struct sensor_device_attribute pwm[] = { |
360 | SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 0), | |
361 | SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 1), | |
362 | SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 2), | |
363 | }; | |
1da177e4 | 364 | |
941c5c05 JC |
365 | static struct attribute * pc8736x_fan_attr_array[] = { |
366 | FAN_UNIT_ATTRS(0), | |
367 | FAN_UNIT_ATTRS(1), | |
368 | FAN_UNIT_ATTRS(2), | |
369 | &pwm[0].dev_attr.attr, | |
370 | &pwm[1].dev_attr.attr, | |
371 | &pwm[2].dev_attr.attr, | |
372 | NULL | |
373 | }; | |
374 | static const struct attribute_group pc8736x_fan_group = { | |
375 | .attrs = pc8736x_fan_attr_array, | |
376 | }; | |
377 | ||
f0986bd8 JC |
378 | static ssize_t show_in_input(struct device *dev, struct device_attribute *devattr, char *buf) |
379 | { | |
380 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
381 | struct pc87360_data *data = pc87360_update_device(dev); | |
382 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index], | |
383 | data->in_vref)); | |
384 | } | |
385 | static ssize_t show_in_min(struct device *dev, struct device_attribute *devattr, char *buf) | |
386 | { | |
387 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
388 | struct pc87360_data *data = pc87360_update_device(dev); | |
389 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index], | |
390 | data->in_vref)); | |
391 | } | |
392 | static ssize_t show_in_max(struct device *dev, struct device_attribute *devattr, char *buf) | |
393 | { | |
394 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
395 | struct pc87360_data *data = pc87360_update_device(dev); | |
396 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index], | |
397 | data->in_vref)); | |
398 | } | |
399 | static ssize_t show_in_status(struct device *dev, struct device_attribute *devattr, char *buf) | |
400 | { | |
401 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
402 | struct pc87360_data *data = pc87360_update_device(dev); | |
403 | return sprintf(buf, "%u\n", data->in_status[attr->index]); | |
404 | } | |
405 | static ssize_t set_in_min(struct device *dev, struct device_attribute *devattr, const char *buf, | |
406 | size_t count) | |
407 | { | |
408 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 409 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
410 | long val = simple_strtol(buf, NULL, 10); |
411 | ||
9a61bf63 | 412 | mutex_lock(&data->update_lock); |
f0986bd8 JC |
413 | data->in_min[attr->index] = IN_TO_REG(val, data->in_vref); |
414 | pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MIN, | |
415 | data->in_min[attr->index]); | |
9a61bf63 | 416 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
417 | return count; |
418 | } | |
419 | static ssize_t set_in_max(struct device *dev, struct device_attribute *devattr, const char *buf, | |
420 | size_t count) | |
421 | { | |
422 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 423 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
424 | long val = simple_strtol(buf, NULL, 10); |
425 | ||
9a61bf63 | 426 | mutex_lock(&data->update_lock); |
f0986bd8 JC |
427 | data->in_max[attr->index] = IN_TO_REG(val, |
428 | data->in_vref); | |
429 | pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MAX, | |
430 | data->in_max[attr->index]); | |
9a61bf63 | 431 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
432 | return count; |
433 | } | |
434 | ||
dedc6a78 JC |
435 | static struct sensor_device_attribute in_input[] = { |
436 | SENSOR_ATTR(in0_input, S_IRUGO, show_in_input, NULL, 0), | |
437 | SENSOR_ATTR(in1_input, S_IRUGO, show_in_input, NULL, 1), | |
438 | SENSOR_ATTR(in2_input, S_IRUGO, show_in_input, NULL, 2), | |
439 | SENSOR_ATTR(in3_input, S_IRUGO, show_in_input, NULL, 3), | |
440 | SENSOR_ATTR(in4_input, S_IRUGO, show_in_input, NULL, 4), | |
441 | SENSOR_ATTR(in5_input, S_IRUGO, show_in_input, NULL, 5), | |
442 | SENSOR_ATTR(in6_input, S_IRUGO, show_in_input, NULL, 6), | |
443 | SENSOR_ATTR(in7_input, S_IRUGO, show_in_input, NULL, 7), | |
444 | SENSOR_ATTR(in8_input, S_IRUGO, show_in_input, NULL, 8), | |
445 | SENSOR_ATTR(in9_input, S_IRUGO, show_in_input, NULL, 9), | |
446 | SENSOR_ATTR(in10_input, S_IRUGO, show_in_input, NULL, 10), | |
447 | }; | |
448 | static struct sensor_device_attribute in_status[] = { | |
449 | SENSOR_ATTR(in0_status, S_IRUGO, show_in_status, NULL, 0), | |
450 | SENSOR_ATTR(in1_status, S_IRUGO, show_in_status, NULL, 1), | |
451 | SENSOR_ATTR(in2_status, S_IRUGO, show_in_status, NULL, 2), | |
452 | SENSOR_ATTR(in3_status, S_IRUGO, show_in_status, NULL, 3), | |
453 | SENSOR_ATTR(in4_status, S_IRUGO, show_in_status, NULL, 4), | |
454 | SENSOR_ATTR(in5_status, S_IRUGO, show_in_status, NULL, 5), | |
455 | SENSOR_ATTR(in6_status, S_IRUGO, show_in_status, NULL, 6), | |
456 | SENSOR_ATTR(in7_status, S_IRUGO, show_in_status, NULL, 7), | |
457 | SENSOR_ATTR(in8_status, S_IRUGO, show_in_status, NULL, 8), | |
458 | SENSOR_ATTR(in9_status, S_IRUGO, show_in_status, NULL, 9), | |
459 | SENSOR_ATTR(in10_status, S_IRUGO, show_in_status, NULL, 10), | |
460 | }; | |
461 | static struct sensor_device_attribute in_min[] = { | |
462 | SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 0), | |
463 | SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 1), | |
464 | SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 2), | |
465 | SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 3), | |
466 | SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 4), | |
467 | SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 5), | |
468 | SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 6), | |
469 | SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 7), | |
470 | SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 8), | |
471 | SENSOR_ATTR(in9_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 9), | |
472 | SENSOR_ATTR(in10_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 10), | |
473 | }; | |
474 | static struct sensor_device_attribute in_max[] = { | |
475 | SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 0), | |
476 | SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 1), | |
477 | SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 2), | |
478 | SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 3), | |
479 | SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 4), | |
480 | SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 5), | |
481 | SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 6), | |
482 | SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 7), | |
483 | SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 8), | |
484 | SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 9), | |
485 | SENSOR_ATTR(in10_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 10), | |
486 | }; | |
1da177e4 | 487 | |
941c5c05 JC |
488 | #define VIN_UNIT_ATTRS(X) \ |
489 | &in_input[X].dev_attr.attr, \ | |
490 | &in_status[X].dev_attr.attr, \ | |
491 | &in_min[X].dev_attr.attr, \ | |
492 | &in_max[X].dev_attr.attr | |
493 | ||
44646c19 JC |
494 | static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf) |
495 | { | |
496 | struct pc87360_data *data = pc87360_update_device(dev); | |
497 | return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm)); | |
498 | } | |
499 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); | |
500 | ||
501 | static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf) | |
502 | { | |
90d6619a | 503 | struct pc87360_data *data = dev_get_drvdata(dev); |
44646c19 JC |
504 | return sprintf(buf, "%u\n", data->vrm); |
505 | } | |
506 | static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) | |
507 | { | |
f641b588 | 508 | struct pc87360_data *data = dev_get_drvdata(dev); |
44646c19 JC |
509 | data->vrm = simple_strtoul(buf, NULL, 10); |
510 | return count; | |
511 | } | |
512 | static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm); | |
513 | ||
514 | static ssize_t show_in_alarms(struct device *dev, struct device_attribute *attr, char *buf) | |
515 | { | |
516 | struct pc87360_data *data = pc87360_update_device(dev); | |
517 | return sprintf(buf, "%u\n", data->in_alarms); | |
518 | } | |
519 | static DEVICE_ATTR(alarms_in, S_IRUGO, show_in_alarms, NULL); | |
520 | ||
941c5c05 JC |
521 | static struct attribute *pc8736x_vin_attr_array[] = { |
522 | VIN_UNIT_ATTRS(0), | |
523 | VIN_UNIT_ATTRS(1), | |
524 | VIN_UNIT_ATTRS(2), | |
525 | VIN_UNIT_ATTRS(3), | |
526 | VIN_UNIT_ATTRS(4), | |
527 | VIN_UNIT_ATTRS(5), | |
528 | VIN_UNIT_ATTRS(6), | |
529 | VIN_UNIT_ATTRS(7), | |
530 | VIN_UNIT_ATTRS(8), | |
531 | VIN_UNIT_ATTRS(9), | |
532 | VIN_UNIT_ATTRS(10), | |
533 | &dev_attr_cpu0_vid.attr, | |
534 | &dev_attr_vrm.attr, | |
535 | &dev_attr_alarms_in.attr, | |
536 | NULL | |
537 | }; | |
538 | static const struct attribute_group pc8736x_vin_group = { | |
539 | .attrs = pc8736x_vin_attr_array, | |
540 | }; | |
541 | ||
f0986bd8 JC |
542 | static ssize_t show_therm_input(struct device *dev, struct device_attribute *devattr, char *buf) |
543 | { | |
544 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
545 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 546 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index], |
f0986bd8 JC |
547 | data->in_vref)); |
548 | } | |
549 | static ssize_t show_therm_min(struct device *dev, struct device_attribute *devattr, char *buf) | |
550 | { | |
551 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
552 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 553 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index], |
f0986bd8 JC |
554 | data->in_vref)); |
555 | } | |
556 | static ssize_t show_therm_max(struct device *dev, struct device_attribute *devattr, char *buf) | |
557 | { | |
558 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
559 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 560 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index], |
f0986bd8 JC |
561 | data->in_vref)); |
562 | } | |
563 | static ssize_t show_therm_crit(struct device *dev, struct device_attribute *devattr, char *buf) | |
564 | { | |
565 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
566 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 567 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_crit[attr->index-11], |
f0986bd8 JC |
568 | data->in_vref)); |
569 | } | |
570 | static ssize_t show_therm_status(struct device *dev, struct device_attribute *devattr, char *buf) | |
571 | { | |
572 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
573 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 574 | return sprintf(buf, "%u\n", data->in_status[attr->index]); |
f0986bd8 JC |
575 | } |
576 | static ssize_t set_therm_min(struct device *dev, struct device_attribute *devattr, const char *buf, | |
577 | size_t count) | |
578 | { | |
579 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 580 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
581 | long val = simple_strtol(buf, NULL, 10); |
582 | ||
9a61bf63 | 583 | mutex_lock(&data->update_lock); |
694fa056 JC |
584 | data->in_min[attr->index] = IN_TO_REG(val, data->in_vref); |
585 | pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MIN, | |
586 | data->in_min[attr->index]); | |
9a61bf63 | 587 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
588 | return count; |
589 | } | |
590 | static ssize_t set_therm_max(struct device *dev, struct device_attribute *devattr, const char *buf, | |
591 | size_t count) | |
592 | { | |
593 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 594 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
595 | long val = simple_strtol(buf, NULL, 10); |
596 | ||
9a61bf63 | 597 | mutex_lock(&data->update_lock); |
694fa056 JC |
598 | data->in_max[attr->index] = IN_TO_REG(val, data->in_vref); |
599 | pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MAX, | |
600 | data->in_max[attr->index]); | |
9a61bf63 | 601 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
602 | return count; |
603 | } | |
604 | static ssize_t set_therm_crit(struct device *dev, struct device_attribute *devattr, const char *buf, | |
605 | size_t count) | |
606 | { | |
607 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 608 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
609 | long val = simple_strtol(buf, NULL, 10); |
610 | ||
9a61bf63 | 611 | mutex_lock(&data->update_lock); |
694fa056 JC |
612 | data->in_crit[attr->index-11] = IN_TO_REG(val, data->in_vref); |
613 | pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_CRIT, | |
614 | data->in_crit[attr->index-11]); | |
9a61bf63 | 615 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
616 | return count; |
617 | } | |
618 | ||
dedc6a78 JC |
619 | /* the +11 term below reflects the fact that VLM units 11,12,13 are |
620 | used in the chip to measure voltage across the thermistors | |
621 | */ | |
622 | static struct sensor_device_attribute therm_input[] = { | |
623 | SENSOR_ATTR(temp4_input, S_IRUGO, show_therm_input, NULL, 0+11), | |
624 | SENSOR_ATTR(temp5_input, S_IRUGO, show_therm_input, NULL, 1+11), | |
625 | SENSOR_ATTR(temp6_input, S_IRUGO, show_therm_input, NULL, 2+11), | |
626 | }; | |
627 | static struct sensor_device_attribute therm_status[] = { | |
628 | SENSOR_ATTR(temp4_status, S_IRUGO, show_therm_status, NULL, 0+11), | |
629 | SENSOR_ATTR(temp5_status, S_IRUGO, show_therm_status, NULL, 1+11), | |
630 | SENSOR_ATTR(temp6_status, S_IRUGO, show_therm_status, NULL, 2+11), | |
631 | }; | |
632 | static struct sensor_device_attribute therm_min[] = { | |
633 | SENSOR_ATTR(temp4_min, S_IRUGO | S_IWUSR, | |
634 | show_therm_min, set_therm_min, 0+11), | |
635 | SENSOR_ATTR(temp5_min, S_IRUGO | S_IWUSR, | |
636 | show_therm_min, set_therm_min, 1+11), | |
637 | SENSOR_ATTR(temp6_min, S_IRUGO | S_IWUSR, | |
638 | show_therm_min, set_therm_min, 2+11), | |
639 | }; | |
640 | static struct sensor_device_attribute therm_max[] = { | |
641 | SENSOR_ATTR(temp4_max, S_IRUGO | S_IWUSR, | |
642 | show_therm_max, set_therm_max, 0+11), | |
643 | SENSOR_ATTR(temp5_max, S_IRUGO | S_IWUSR, | |
644 | show_therm_max, set_therm_max, 1+11), | |
645 | SENSOR_ATTR(temp6_max, S_IRUGO | S_IWUSR, | |
646 | show_therm_max, set_therm_max, 2+11), | |
647 | }; | |
648 | static struct sensor_device_attribute therm_crit[] = { | |
649 | SENSOR_ATTR(temp4_crit, S_IRUGO | S_IWUSR, | |
650 | show_therm_crit, set_therm_crit, 0+11), | |
651 | SENSOR_ATTR(temp5_crit, S_IRUGO | S_IWUSR, | |
652 | show_therm_crit, set_therm_crit, 1+11), | |
653 | SENSOR_ATTR(temp6_crit, S_IRUGO | S_IWUSR, | |
654 | show_therm_crit, set_therm_crit, 2+11), | |
655 | }; | |
1da177e4 | 656 | |
941c5c05 JC |
657 | #define THERM_UNIT_ATTRS(X) \ |
658 | &therm_input[X].dev_attr.attr, \ | |
659 | &therm_status[X].dev_attr.attr, \ | |
660 | &therm_min[X].dev_attr.attr, \ | |
661 | &therm_max[X].dev_attr.attr, \ | |
662 | &therm_crit[X].dev_attr.attr | |
663 | ||
664 | static struct attribute * pc8736x_therm_attr_array[] = { | |
665 | THERM_UNIT_ATTRS(0), | |
666 | THERM_UNIT_ATTRS(1), | |
667 | THERM_UNIT_ATTRS(2), | |
668 | NULL | |
669 | }; | |
670 | static const struct attribute_group pc8736x_therm_group = { | |
671 | .attrs = pc8736x_therm_attr_array, | |
672 | }; | |
673 | ||
f0986bd8 JC |
674 | static ssize_t show_temp_input(struct device *dev, struct device_attribute *devattr, char *buf) |
675 | { | |
676 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
677 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 678 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index])); |
f0986bd8 JC |
679 | } |
680 | static ssize_t show_temp_min(struct device *dev, struct device_attribute *devattr, char *buf) | |
681 | { | |
682 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
683 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 684 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[attr->index])); |
f0986bd8 JC |
685 | } |
686 | static ssize_t show_temp_max(struct device *dev, struct device_attribute *devattr, char *buf) | |
687 | { | |
688 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
689 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 690 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[attr->index])); |
f0986bd8 JC |
691 | } |
692 | static ssize_t show_temp_crit(struct device *dev, struct device_attribute *devattr, char *buf) | |
693 | { | |
694 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
695 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 696 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[attr->index])); |
f0986bd8 JC |
697 | } |
698 | static ssize_t show_temp_status(struct device *dev, struct device_attribute *devattr, char *buf) | |
699 | { | |
700 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
701 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 702 | return sprintf(buf, "%d\n", data->temp_status[attr->index]); |
f0986bd8 JC |
703 | } |
704 | static ssize_t set_temp_min(struct device *dev, struct device_attribute *devattr, const char *buf, | |
705 | size_t count) | |
706 | { | |
707 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 708 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
709 | long val = simple_strtol(buf, NULL, 10); |
710 | ||
9a61bf63 | 711 | mutex_lock(&data->update_lock); |
694fa056 JC |
712 | data->temp_min[attr->index] = TEMP_TO_REG(val); |
713 | pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MIN, | |
714 | data->temp_min[attr->index]); | |
9a61bf63 | 715 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
716 | return count; |
717 | } | |
718 | static ssize_t set_temp_max(struct device *dev, struct device_attribute *devattr, const char *buf, | |
719 | size_t count) | |
720 | { | |
721 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 722 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
723 | long val = simple_strtol(buf, NULL, 10); |
724 | ||
9a61bf63 | 725 | mutex_lock(&data->update_lock); |
694fa056 JC |
726 | data->temp_max[attr->index] = TEMP_TO_REG(val); |
727 | pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MAX, | |
728 | data->temp_max[attr->index]); | |
9a61bf63 | 729 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
730 | return count; |
731 | } | |
732 | static ssize_t set_temp_crit(struct device *dev, struct device_attribute *devattr, const char *buf, | |
733 | size_t count) | |
734 | { | |
735 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 736 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
737 | long val = simple_strtol(buf, NULL, 10); |
738 | ||
9a61bf63 | 739 | mutex_lock(&data->update_lock); |
694fa056 JC |
740 | data->temp_crit[attr->index] = TEMP_TO_REG(val); |
741 | pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_CRIT, | |
742 | data->temp_crit[attr->index]); | |
9a61bf63 | 743 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
744 | return count; |
745 | } | |
746 | ||
dedc6a78 JC |
747 | static struct sensor_device_attribute temp_input[] = { |
748 | SENSOR_ATTR(temp1_input, S_IRUGO, show_temp_input, NULL, 0), | |
749 | SENSOR_ATTR(temp2_input, S_IRUGO, show_temp_input, NULL, 1), | |
750 | SENSOR_ATTR(temp3_input, S_IRUGO, show_temp_input, NULL, 2), | |
751 | }; | |
752 | static struct sensor_device_attribute temp_status[] = { | |
753 | SENSOR_ATTR(temp1_status, S_IRUGO, show_temp_status, NULL, 0), | |
754 | SENSOR_ATTR(temp2_status, S_IRUGO, show_temp_status, NULL, 1), | |
755 | SENSOR_ATTR(temp3_status, S_IRUGO, show_temp_status, NULL, 2), | |
756 | }; | |
757 | static struct sensor_device_attribute temp_min[] = { | |
758 | SENSOR_ATTR(temp1_min, S_IRUGO | S_IWUSR, | |
759 | show_temp_min, set_temp_min, 0), | |
760 | SENSOR_ATTR(temp2_min, S_IRUGO | S_IWUSR, | |
761 | show_temp_min, set_temp_min, 1), | |
762 | SENSOR_ATTR(temp3_min, S_IRUGO | S_IWUSR, | |
763 | show_temp_min, set_temp_min, 2), | |
764 | }; | |
765 | static struct sensor_device_attribute temp_max[] = { | |
766 | SENSOR_ATTR(temp1_max, S_IRUGO | S_IWUSR, | |
767 | show_temp_max, set_temp_max, 0), | |
768 | SENSOR_ATTR(temp2_max, S_IRUGO | S_IWUSR, | |
769 | show_temp_max, set_temp_max, 1), | |
770 | SENSOR_ATTR(temp3_max, S_IRUGO | S_IWUSR, | |
771 | show_temp_max, set_temp_max, 2), | |
772 | }; | |
773 | static struct sensor_device_attribute temp_crit[] = { | |
774 | SENSOR_ATTR(temp1_crit, S_IRUGO | S_IWUSR, | |
775 | show_temp_crit, set_temp_crit, 0), | |
776 | SENSOR_ATTR(temp2_crit, S_IRUGO | S_IWUSR, | |
777 | show_temp_crit, set_temp_crit, 1), | |
778 | SENSOR_ATTR(temp3_crit, S_IRUGO | S_IWUSR, | |
779 | show_temp_crit, set_temp_crit, 2), | |
780 | }; | |
1da177e4 | 781 | |
a5099cfc | 782 | static ssize_t show_temp_alarms(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
783 | { |
784 | struct pc87360_data *data = pc87360_update_device(dev); | |
785 | return sprintf(buf, "%u\n", data->temp_alarms); | |
786 | } | |
787 | static DEVICE_ATTR(alarms_temp, S_IRUGO, show_temp_alarms, NULL); | |
788 | ||
941c5c05 JC |
789 | #define TEMP_UNIT_ATTRS(X) \ |
790 | &temp_input[X].dev_attr.attr, \ | |
791 | &temp_status[X].dev_attr.attr, \ | |
792 | &temp_min[X].dev_attr.attr, \ | |
793 | &temp_max[X].dev_attr.attr, \ | |
794 | &temp_crit[X].dev_attr.attr | |
795 | ||
796 | static struct attribute * pc8736x_temp_attr_array[] = { | |
797 | TEMP_UNIT_ATTRS(0), | |
798 | TEMP_UNIT_ATTRS(1), | |
799 | TEMP_UNIT_ATTRS(2), | |
800 | /* include the few miscellaneous atts here */ | |
801 | &dev_attr_alarms_temp.attr, | |
802 | NULL | |
803 | }; | |
804 | static const struct attribute_group pc8736x_temp_group = { | |
805 | .attrs = pc8736x_temp_attr_array, | |
806 | }; | |
807 | ||
f641b588 JD |
808 | static ssize_t show_name(struct device *dev, struct device_attribute |
809 | *devattr, char *buf) | |
810 | { | |
811 | struct pc87360_data *data = dev_get_drvdata(dev); | |
812 | return sprintf(buf, "%s\n", data->name); | |
813 | } | |
814 | static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); | |
815 | ||
1da177e4 LT |
816 | /* |
817 | * Device detection, registration and update | |
818 | */ | |
819 | ||
e6cfb3ad | 820 | static int __init pc87360_find(int sioaddr, u8 *devid, unsigned short *addresses) |
1da177e4 LT |
821 | { |
822 | u16 val; | |
823 | int i; | |
824 | int nrdev; /* logical device count */ | |
825 | ||
826 | /* No superio_enter */ | |
827 | ||
828 | /* Identify device */ | |
829 | val = superio_inb(sioaddr, DEVID); | |
830 | switch (val) { | |
831 | case 0xE1: /* PC87360 */ | |
832 | case 0xE8: /* PC87363 */ | |
833 | case 0xE4: /* PC87364 */ | |
834 | nrdev = 1; | |
835 | break; | |
836 | case 0xE5: /* PC87365 */ | |
837 | case 0xE9: /* PC87366 */ | |
838 | nrdev = 3; | |
839 | break; | |
840 | default: | |
841 | superio_exit(sioaddr); | |
842 | return -ENODEV; | |
843 | } | |
844 | /* Remember the device id */ | |
845 | *devid = val; | |
846 | ||
847 | for (i = 0; i < nrdev; i++) { | |
848 | /* select logical device */ | |
849 | superio_outb(sioaddr, DEV, logdev[i]); | |
850 | ||
851 | val = superio_inb(sioaddr, ACT); | |
852 | if (!(val & 0x01)) { | |
853 | printk(KERN_INFO "pc87360: Device 0x%02x not " | |
854 | "activated\n", logdev[i]); | |
855 | continue; | |
856 | } | |
857 | ||
858 | val = (superio_inb(sioaddr, BASE) << 8) | |
859 | | superio_inb(sioaddr, BASE + 1); | |
860 | if (!val) { | |
861 | printk(KERN_INFO "pc87360: Base address not set for " | |
862 | "device 0x%02x\n", logdev[i]); | |
863 | continue; | |
864 | } | |
865 | ||
2d8672c5 | 866 | addresses[i] = val; |
1da177e4 LT |
867 | |
868 | if (i==0) { /* Fans */ | |
869 | confreg[0] = superio_inb(sioaddr, 0xF0); | |
870 | confreg[1] = superio_inb(sioaddr, 0xF1); | |
871 | ||
872 | #ifdef DEBUG | |
873 | printk(KERN_DEBUG "pc87360: Fan 1: mon=%d " | |
874 | "ctrl=%d inv=%d\n", (confreg[0]>>2)&1, | |
875 | (confreg[0]>>3)&1, (confreg[0]>>4)&1); | |
876 | printk(KERN_DEBUG "pc87360: Fan 2: mon=%d " | |
877 | "ctrl=%d inv=%d\n", (confreg[0]>>5)&1, | |
878 | (confreg[0]>>6)&1, (confreg[0]>>7)&1); | |
879 | printk(KERN_DEBUG "pc87360: Fan 3: mon=%d " | |
880 | "ctrl=%d inv=%d\n", confreg[1]&1, | |
881 | (confreg[1]>>1)&1, (confreg[1]>>2)&1); | |
882 | #endif | |
883 | } else if (i==1) { /* Voltages */ | |
884 | /* Are we using thermistors? */ | |
885 | if (*devid == 0xE9) { /* PC87366 */ | |
886 | /* These registers are not logical-device | |
887 | specific, just that we won't need them if | |
888 | we don't use the VLM device */ | |
889 | confreg[2] = superio_inb(sioaddr, 0x2B); | |
890 | confreg[3] = superio_inb(sioaddr, 0x25); | |
891 | ||
892 | if (confreg[2] & 0x40) { | |
893 | printk(KERN_INFO "pc87360: Using " | |
894 | "thermistors for temperature " | |
895 | "monitoring\n"); | |
896 | } | |
897 | if (confreg[3] & 0xE0) { | |
898 | printk(KERN_INFO "pc87360: VID " | |
899 | "inputs routed (mode %u)\n", | |
900 | confreg[3] >> 5); | |
901 | } | |
902 | } | |
903 | } | |
904 | } | |
905 | ||
906 | superio_exit(sioaddr); | |
907 | return 0; | |
908 | } | |
909 | ||
f641b588 | 910 | static int __devinit pc87360_probe(struct platform_device *pdev) |
1da177e4 LT |
911 | { |
912 | int i; | |
1da177e4 LT |
913 | struct pc87360_data *data; |
914 | int err = 0; | |
915 | const char *name = "pc87360"; | |
916 | int use_thermistors = 0; | |
f641b588 | 917 | struct device *dev = &pdev->dev; |
1da177e4 | 918 | |
ba9c2e8d | 919 | if (!(data = kzalloc(sizeof(struct pc87360_data), GFP_KERNEL))) |
1da177e4 | 920 | return -ENOMEM; |
1da177e4 | 921 | |
1da177e4 LT |
922 | data->fannr = 2; |
923 | data->innr = 0; | |
924 | data->tempnr = 0; | |
925 | ||
926 | switch (devid) { | |
927 | case 0xe8: | |
928 | name = "pc87363"; | |
929 | break; | |
930 | case 0xe4: | |
931 | name = "pc87364"; | |
932 | data->fannr = 3; | |
933 | break; | |
934 | case 0xe5: | |
935 | name = "pc87365"; | |
936 | data->fannr = extra_isa[0] ? 3 : 0; | |
937 | data->innr = extra_isa[1] ? 11 : 0; | |
938 | data->tempnr = extra_isa[2] ? 2 : 0; | |
939 | break; | |
940 | case 0xe9: | |
941 | name = "pc87366"; | |
942 | data->fannr = extra_isa[0] ? 3 : 0; | |
943 | data->innr = extra_isa[1] ? 14 : 0; | |
944 | data->tempnr = extra_isa[2] ? 3 : 0; | |
945 | break; | |
946 | } | |
947 | ||
f641b588 | 948 | data->name = name; |
1da177e4 | 949 | data->valid = 0; |
f641b588 | 950 | mutex_init(&data->lock); |
9a61bf63 | 951 | mutex_init(&data->update_lock); |
f641b588 | 952 | platform_set_drvdata(pdev, data); |
1da177e4 LT |
953 | |
954 | for (i = 0; i < 3; i++) { | |
955 | if (((data->address[i] = extra_isa[i])) | |
956 | && !request_region(extra_isa[i], PC87360_EXTENT, | |
cdaf7934 | 957 | pc87360_driver.driver.name)) { |
f641b588 | 958 | dev_err(dev, "Region 0x%x-0x%x already " |
1da177e4 LT |
959 | "in use!\n", extra_isa[i], |
960 | extra_isa[i]+PC87360_EXTENT-1); | |
961 | for (i--; i >= 0; i--) | |
962 | release_region(extra_isa[i], PC87360_EXTENT); | |
963 | err = -EBUSY; | |
964 | goto ERROR1; | |
965 | } | |
966 | } | |
967 | ||
968 | /* Retrieve the fans configuration from Super-I/O space */ | |
969 | if (data->fannr) | |
970 | data->fan_conf = confreg[0] | (confreg[1] << 8); | |
971 | ||
1da177e4 LT |
972 | /* Use the correct reference voltage |
973 | Unless both the VLM and the TMS logical devices agree to | |
974 | use an external Vref, the internal one is used. */ | |
975 | if (data->innr) { | |
976 | i = pc87360_read_value(data, LD_IN, NO_BANK, | |
977 | PC87365_REG_IN_CONFIG); | |
978 | if (data->tempnr) { | |
979 | i &= pc87360_read_value(data, LD_TEMP, NO_BANK, | |
980 | PC87365_REG_TEMP_CONFIG); | |
981 | } | |
982 | data->in_vref = (i&0x02) ? 3025 : 2966; | |
f641b588 | 983 | dev_dbg(dev, "Using %s reference voltage\n", |
1da177e4 LT |
984 | (i&0x02) ? "external" : "internal"); |
985 | ||
986 | data->vid_conf = confreg[3]; | |
3d7f9a86 | 987 | data->vrm = vid_which_vrm(); |
1da177e4 LT |
988 | } |
989 | ||
990 | /* Fan clock dividers may be needed before any data is read */ | |
991 | for (i = 0; i < data->fannr; i++) { | |
992 | if (FAN_CONFIG_MONITOR(data->fan_conf, i)) | |
993 | data->fan_status[i] = pc87360_read_value(data, | |
994 | LD_FAN, NO_BANK, | |
995 | PC87360_REG_FAN_STATUS(i)); | |
996 | } | |
997 | ||
998 | if (init > 0) { | |
999 | if (devid == 0xe9 && data->address[1]) /* PC87366 */ | |
1000 | use_thermistors = confreg[2] & 0x40; | |
1001 | ||
f641b588 | 1002 | pc87360_init_device(pdev, use_thermistors); |
1da177e4 LT |
1003 | } |
1004 | ||
f3722d5b JC |
1005 | /* Register all-or-nothing sysfs groups */ |
1006 | ||
1007 | if (data->innr && | |
f641b588 | 1008 | (err = sysfs_create_group(&dev->kobj, |
f3722d5b | 1009 | &pc8736x_vin_group))) |
943b0830 | 1010 | goto ERROR3; |
943b0830 | 1011 | |
f3722d5b | 1012 | if (data->innr == 14 && |
f641b588 | 1013 | (err = sysfs_create_group(&dev->kobj, |
f3722d5b JC |
1014 | &pc8736x_therm_group))) |
1015 | goto ERROR3; | |
1016 | ||
1017 | /* create device attr-files for varying sysfs groups */ | |
1da177e4 LT |
1018 | |
1019 | if (data->tempnr) { | |
dedc6a78 | 1020 | for (i = 0; i < data->tempnr; i++) { |
f3722d5b JC |
1021 | if ((err = device_create_file(dev, |
1022 | &temp_input[i].dev_attr)) | |
1023 | || (err = device_create_file(dev, | |
1024 | &temp_min[i].dev_attr)) | |
1025 | || (err = device_create_file(dev, | |
1026 | &temp_max[i].dev_attr)) | |
1027 | || (err = device_create_file(dev, | |
1028 | &temp_crit[i].dev_attr)) | |
1029 | || (err = device_create_file(dev, | |
1030 | &temp_status[i].dev_attr))) | |
1031 | goto ERROR3; | |
1da177e4 | 1032 | } |
f3722d5b JC |
1033 | if ((err = device_create_file(dev, &dev_attr_alarms_temp))) |
1034 | goto ERROR3; | |
1da177e4 | 1035 | } |
1da177e4 | 1036 | |
dedc6a78 | 1037 | for (i = 0; i < data->fannr; i++) { |
f3722d5b JC |
1038 | if (FAN_CONFIG_MONITOR(data->fan_conf, i) |
1039 | && ((err = device_create_file(dev, | |
1040 | &fan_input[i].dev_attr)) | |
1041 | || (err = device_create_file(dev, | |
1042 | &fan_min[i].dev_attr)) | |
1043 | || (err = device_create_file(dev, | |
1044 | &fan_div[i].dev_attr)) | |
1045 | || (err = device_create_file(dev, | |
1046 | &fan_status[i].dev_attr)))) | |
1047 | goto ERROR3; | |
1048 | ||
1049 | if (FAN_CONFIG_CONTROL(data->fan_conf, i) | |
1050 | && (err = device_create_file(dev, &pwm[i].dev_attr))) | |
1051 | goto ERROR3; | |
1da177e4 LT |
1052 | } |
1053 | ||
f641b588 JD |
1054 | if ((err = device_create_file(dev, &dev_attr_name))) |
1055 | goto ERROR3; | |
1056 | ||
1beeffe4 TJ |
1057 | data->hwmon_dev = hwmon_device_register(dev); |
1058 | if (IS_ERR(data->hwmon_dev)) { | |
1059 | err = PTR_ERR(data->hwmon_dev); | |
f3722d5b JC |
1060 | goto ERROR3; |
1061 | } | |
1da177e4 LT |
1062 | return 0; |
1063 | ||
943b0830 | 1064 | ERROR3: |
f641b588 | 1065 | device_remove_file(dev, &dev_attr_name); |
f3722d5b | 1066 | /* can still remove groups whose members were added individually */ |
f641b588 JD |
1067 | sysfs_remove_group(&dev->kobj, &pc8736x_temp_group); |
1068 | sysfs_remove_group(&dev->kobj, &pc8736x_fan_group); | |
1069 | sysfs_remove_group(&dev->kobj, &pc8736x_therm_group); | |
1070 | sysfs_remove_group(&dev->kobj, &pc8736x_vin_group); | |
1da177e4 LT |
1071 | for (i = 0; i < 3; i++) { |
1072 | if (data->address[i]) { | |
1073 | release_region(data->address[i], PC87360_EXTENT); | |
1074 | } | |
1075 | } | |
1076 | ERROR1: | |
1077 | kfree(data); | |
1078 | return err; | |
1079 | } | |
1080 | ||
f641b588 | 1081 | static int __devexit pc87360_remove(struct platform_device *pdev) |
1da177e4 | 1082 | { |
f641b588 | 1083 | struct pc87360_data *data = platform_get_drvdata(pdev); |
1da177e4 LT |
1084 | int i; |
1085 | ||
1beeffe4 | 1086 | hwmon_device_unregister(data->hwmon_dev); |
943b0830 | 1087 | |
f641b588 JD |
1088 | device_remove_file(&pdev->dev, &dev_attr_name); |
1089 | sysfs_remove_group(&pdev->dev.kobj, &pc8736x_temp_group); | |
1090 | sysfs_remove_group(&pdev->dev.kobj, &pc8736x_fan_group); | |
1091 | sysfs_remove_group(&pdev->dev.kobj, &pc8736x_therm_group); | |
1092 | sysfs_remove_group(&pdev->dev.kobj, &pc8736x_vin_group); | |
1da177e4 LT |
1093 | |
1094 | for (i = 0; i < 3; i++) { | |
1095 | if (data->address[i]) { | |
1096 | release_region(data->address[i], PC87360_EXTENT); | |
1097 | } | |
1098 | } | |
1099 | kfree(data); | |
1100 | ||
1101 | return 0; | |
1102 | } | |
1103 | ||
1104 | /* ldi is the logical device index | |
1105 | bank is for voltages and temperatures only */ | |
1106 | static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank, | |
1107 | u8 reg) | |
1108 | { | |
1109 | int res; | |
1110 | ||
9a61bf63 | 1111 | mutex_lock(&(data->lock)); |
1da177e4 LT |
1112 | if (bank != NO_BANK) |
1113 | outb_p(bank, data->address[ldi] + PC87365_REG_BANK); | |
1114 | res = inb_p(data->address[ldi] + reg); | |
9a61bf63 | 1115 | mutex_unlock(&(data->lock)); |
1da177e4 LT |
1116 | |
1117 | return res; | |
1118 | } | |
1119 | ||
1120 | static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank, | |
1121 | u8 reg, u8 value) | |
1122 | { | |
9a61bf63 | 1123 | mutex_lock(&(data->lock)); |
1da177e4 LT |
1124 | if (bank != NO_BANK) |
1125 | outb_p(bank, data->address[ldi] + PC87365_REG_BANK); | |
1126 | outb_p(value, data->address[ldi] + reg); | |
9a61bf63 | 1127 | mutex_unlock(&(data->lock)); |
1da177e4 LT |
1128 | } |
1129 | ||
f641b588 JD |
1130 | static void pc87360_init_device(struct platform_device *pdev, |
1131 | int use_thermistors) | |
1da177e4 | 1132 | { |
f641b588 | 1133 | struct pc87360_data *data = platform_get_drvdata(pdev); |
1da177e4 LT |
1134 | int i, nr; |
1135 | const u8 init_in[14] = { 2, 2, 2, 2, 2, 2, 2, 1, 1, 3, 1, 2, 2, 2 }; | |
1136 | const u8 init_temp[3] = { 2, 2, 1 }; | |
1137 | u8 reg; | |
1138 | ||
1139 | if (init >= 2 && data->innr) { | |
1140 | reg = pc87360_read_value(data, LD_IN, NO_BANK, | |
1141 | PC87365_REG_IN_CONVRATE); | |
f641b588 | 1142 | dev_info(&pdev->dev, "VLM conversion set to " |
1da177e4 LT |
1143 | "1s period, 160us delay\n"); |
1144 | pc87360_write_value(data, LD_IN, NO_BANK, | |
1145 | PC87365_REG_IN_CONVRATE, | |
1146 | (reg & 0xC0) | 0x11); | |
1147 | } | |
1148 | ||
1149 | nr = data->innr < 11 ? data->innr : 11; | |
dedc6a78 | 1150 | for (i = 0; i < nr; i++) { |
1da177e4 LT |
1151 | if (init >= init_in[i]) { |
1152 | /* Forcibly enable voltage channel */ | |
1153 | reg = pc87360_read_value(data, LD_IN, i, | |
1154 | PC87365_REG_IN_STATUS); | |
1155 | if (!(reg & 0x01)) { | |
f641b588 | 1156 | dev_dbg(&pdev->dev, "Forcibly " |
1da177e4 LT |
1157 | "enabling in%d\n", i); |
1158 | pc87360_write_value(data, LD_IN, i, | |
1159 | PC87365_REG_IN_STATUS, | |
1160 | (reg & 0x68) | 0x87); | |
1161 | } | |
1162 | } | |
1163 | } | |
1164 | ||
1165 | /* We can't blindly trust the Super-I/O space configuration bit, | |
1166 | most BIOS won't set it properly */ | |
dedc6a78 | 1167 | for (i = 11; i < data->innr; i++) { |
1da177e4 LT |
1168 | reg = pc87360_read_value(data, LD_IN, i, |
1169 | PC87365_REG_TEMP_STATUS); | |
1170 | use_thermistors = use_thermistors || (reg & 0x01); | |
1171 | } | |
1172 | ||
1173 | i = use_thermistors ? 2 : 0; | |
dedc6a78 | 1174 | for (; i < data->tempnr; i++) { |
1da177e4 LT |
1175 | if (init >= init_temp[i]) { |
1176 | /* Forcibly enable temperature channel */ | |
1177 | reg = pc87360_read_value(data, LD_TEMP, i, | |
1178 | PC87365_REG_TEMP_STATUS); | |
1179 | if (!(reg & 0x01)) { | |
f641b588 | 1180 | dev_dbg(&pdev->dev, "Forcibly " |
1da177e4 LT |
1181 | "enabling temp%d\n", i+1); |
1182 | pc87360_write_value(data, LD_TEMP, i, | |
1183 | PC87365_REG_TEMP_STATUS, | |
1184 | 0xCF); | |
1185 | } | |
1186 | } | |
1187 | } | |
1188 | ||
1189 | if (use_thermistors) { | |
dedc6a78 | 1190 | for (i = 11; i < data->innr; i++) { |
1da177e4 LT |
1191 | if (init >= init_in[i]) { |
1192 | /* The pin may already be used by thermal | |
1193 | diodes */ | |
1194 | reg = pc87360_read_value(data, LD_TEMP, | |
1195 | (i-11)/2, PC87365_REG_TEMP_STATUS); | |
1196 | if (reg & 0x01) { | |
f641b588 | 1197 | dev_dbg(&pdev->dev, "Skipping " |
1da177e4 LT |
1198 | "temp%d, pin already in use " |
1199 | "by temp%d\n", i-7, (i-11)/2); | |
1200 | continue; | |
1201 | } | |
1202 | ||
1203 | /* Forcibly enable thermistor channel */ | |
1204 | reg = pc87360_read_value(data, LD_IN, i, | |
1205 | PC87365_REG_IN_STATUS); | |
1206 | if (!(reg & 0x01)) { | |
f641b588 | 1207 | dev_dbg(&pdev->dev, "Forcibly " |
1da177e4 LT |
1208 | "enabling temp%d\n", i-7); |
1209 | pc87360_write_value(data, LD_IN, i, | |
1210 | PC87365_REG_TEMP_STATUS, | |
1211 | (reg & 0x60) | 0x8F); | |
1212 | } | |
1213 | } | |
1214 | } | |
1215 | } | |
1216 | ||
1217 | if (data->innr) { | |
1218 | reg = pc87360_read_value(data, LD_IN, NO_BANK, | |
1219 | PC87365_REG_IN_CONFIG); | |
1220 | if (reg & 0x01) { | |
f641b588 | 1221 | dev_dbg(&pdev->dev, "Forcibly " |
1da177e4 LT |
1222 | "enabling monitoring (VLM)\n"); |
1223 | pc87360_write_value(data, LD_IN, NO_BANK, | |
1224 | PC87365_REG_IN_CONFIG, | |
1225 | reg & 0xFE); | |
1226 | } | |
1227 | } | |
1228 | ||
1229 | if (data->tempnr) { | |
1230 | reg = pc87360_read_value(data, LD_TEMP, NO_BANK, | |
1231 | PC87365_REG_TEMP_CONFIG); | |
1232 | if (reg & 0x01) { | |
f641b588 | 1233 | dev_dbg(&pdev->dev, "Forcibly enabling " |
1da177e4 LT |
1234 | "monitoring (TMS)\n"); |
1235 | pc87360_write_value(data, LD_TEMP, NO_BANK, | |
1236 | PC87365_REG_TEMP_CONFIG, | |
1237 | reg & 0xFE); | |
1238 | } | |
1239 | ||
1240 | if (init >= 2) { | |
1241 | /* Chip config as documented by National Semi. */ | |
1242 | pc87360_write_value(data, LD_TEMP, 0xF, 0xA, 0x08); | |
1243 | /* We voluntarily omit the bank here, in case the | |
1244 | sequence itself matters. It shouldn't be a problem, | |
1245 | since nobody else is supposed to access the | |
1246 | device at that point. */ | |
1247 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xB, 0x04); | |
1248 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xC, 0x35); | |
1249 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xD, 0x05); | |
1250 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xE, 0x05); | |
1251 | } | |
1252 | } | |
1253 | } | |
1254 | ||
f641b588 | 1255 | static void pc87360_autodiv(struct device *dev, int nr) |
1da177e4 | 1256 | { |
f641b588 | 1257 | struct pc87360_data *data = dev_get_drvdata(dev); |
1da177e4 LT |
1258 | u8 old_min = data->fan_min[nr]; |
1259 | ||
1260 | /* Increase clock divider if needed and possible */ | |
1261 | if ((data->fan_status[nr] & 0x04) /* overflow flag */ | |
1262 | || (data->fan[nr] >= 224)) { /* next to overflow */ | |
1263 | if ((data->fan_status[nr] & 0x60) != 0x60) { | |
1264 | data->fan_status[nr] += 0x20; | |
1265 | data->fan_min[nr] >>= 1; | |
1266 | data->fan[nr] >>= 1; | |
f641b588 | 1267 | dev_dbg(dev, "Increasing " |
1da177e4 LT |
1268 | "clock divider to %d for fan %d\n", |
1269 | FAN_DIV_FROM_REG(data->fan_status[nr]), nr+1); | |
1270 | } | |
1271 | } else { | |
1272 | /* Decrease clock divider if possible */ | |
1273 | while (!(data->fan_min[nr] & 0x80) /* min "nails" divider */ | |
1274 | && data->fan[nr] < 85 /* bad accuracy */ | |
1275 | && (data->fan_status[nr] & 0x60) != 0x00) { | |
1276 | data->fan_status[nr] -= 0x20; | |
1277 | data->fan_min[nr] <<= 1; | |
1278 | data->fan[nr] <<= 1; | |
f641b588 | 1279 | dev_dbg(dev, "Decreasing " |
1da177e4 LT |
1280 | "clock divider to %d for fan %d\n", |
1281 | FAN_DIV_FROM_REG(data->fan_status[nr]), | |
1282 | nr+1); | |
1283 | } | |
1284 | } | |
1285 | ||
1286 | /* Write new fan min if it changed */ | |
1287 | if (old_min != data->fan_min[nr]) { | |
1288 | pc87360_write_value(data, LD_FAN, NO_BANK, | |
1289 | PC87360_REG_FAN_MIN(nr), | |
1290 | data->fan_min[nr]); | |
1291 | } | |
1292 | } | |
1293 | ||
1294 | static struct pc87360_data *pc87360_update_device(struct device *dev) | |
1295 | { | |
f641b588 | 1296 | struct pc87360_data *data = dev_get_drvdata(dev); |
1da177e4 LT |
1297 | u8 i; |
1298 | ||
9a61bf63 | 1299 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1300 | |
1301 | if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) { | |
f641b588 | 1302 | dev_dbg(dev, "Data update\n"); |
1da177e4 LT |
1303 | |
1304 | /* Fans */ | |
1305 | for (i = 0; i < data->fannr; i++) { | |
1306 | if (FAN_CONFIG_MONITOR(data->fan_conf, i)) { | |
1307 | data->fan_status[i] = | |
1308 | pc87360_read_value(data, LD_FAN, | |
1309 | NO_BANK, PC87360_REG_FAN_STATUS(i)); | |
1310 | data->fan[i] = pc87360_read_value(data, LD_FAN, | |
1311 | NO_BANK, PC87360_REG_FAN(i)); | |
1312 | data->fan_min[i] = pc87360_read_value(data, | |
1313 | LD_FAN, NO_BANK, | |
1314 | PC87360_REG_FAN_MIN(i)); | |
1315 | /* Change clock divider if needed */ | |
f641b588 | 1316 | pc87360_autodiv(dev, i); |
1da177e4 LT |
1317 | /* Clear bits and write new divider */ |
1318 | pc87360_write_value(data, LD_FAN, NO_BANK, | |
1319 | PC87360_REG_FAN_STATUS(i), | |
1320 | data->fan_status[i]); | |
1321 | } | |
1322 | if (FAN_CONFIG_CONTROL(data->fan_conf, i)) | |
1323 | data->pwm[i] = pc87360_read_value(data, LD_FAN, | |
1324 | NO_BANK, PC87360_REG_PWM(i)); | |
1325 | } | |
1326 | ||
1327 | /* Voltages */ | |
1328 | for (i = 0; i < data->innr; i++) { | |
1329 | data->in_status[i] = pc87360_read_value(data, LD_IN, i, | |
1330 | PC87365_REG_IN_STATUS); | |
1331 | /* Clear bits */ | |
1332 | pc87360_write_value(data, LD_IN, i, | |
1333 | PC87365_REG_IN_STATUS, | |
1334 | data->in_status[i]); | |
1335 | if ((data->in_status[i] & 0x81) == 0x81) { | |
1336 | data->in[i] = pc87360_read_value(data, LD_IN, | |
1337 | i, PC87365_REG_IN); | |
1338 | } | |
1339 | if (data->in_status[i] & 0x01) { | |
1340 | data->in_min[i] = pc87360_read_value(data, | |
1341 | LD_IN, i, | |
1342 | PC87365_REG_IN_MIN); | |
1343 | data->in_max[i] = pc87360_read_value(data, | |
1344 | LD_IN, i, | |
1345 | PC87365_REG_IN_MAX); | |
1346 | if (i >= 11) | |
1347 | data->in_crit[i-11] = | |
1348 | pc87360_read_value(data, LD_IN, | |
1349 | i, PC87365_REG_TEMP_CRIT); | |
1350 | } | |
1351 | } | |
1352 | if (data->innr) { | |
1353 | data->in_alarms = pc87360_read_value(data, LD_IN, | |
1354 | NO_BANK, PC87365_REG_IN_ALARMS1) | |
1355 | | ((pc87360_read_value(data, LD_IN, | |
1356 | NO_BANK, PC87365_REG_IN_ALARMS2) | |
1357 | & 0x07) << 8); | |
1358 | data->vid = (data->vid_conf & 0xE0) ? | |
1359 | pc87360_read_value(data, LD_IN, | |
1360 | NO_BANK, PC87365_REG_VID) : 0x1F; | |
1361 | } | |
1362 | ||
1363 | /* Temperatures */ | |
1364 | for (i = 0; i < data->tempnr; i++) { | |
1365 | data->temp_status[i] = pc87360_read_value(data, | |
1366 | LD_TEMP, i, | |
1367 | PC87365_REG_TEMP_STATUS); | |
1368 | /* Clear bits */ | |
1369 | pc87360_write_value(data, LD_TEMP, i, | |
1370 | PC87365_REG_TEMP_STATUS, | |
1371 | data->temp_status[i]); | |
1372 | if ((data->temp_status[i] & 0x81) == 0x81) { | |
1373 | data->temp[i] = pc87360_read_value(data, | |
1374 | LD_TEMP, i, | |
1375 | PC87365_REG_TEMP); | |
1376 | } | |
1377 | if (data->temp_status[i] & 0x01) { | |
1378 | data->temp_min[i] = pc87360_read_value(data, | |
1379 | LD_TEMP, i, | |
1380 | PC87365_REG_TEMP_MIN); | |
1381 | data->temp_max[i] = pc87360_read_value(data, | |
1382 | LD_TEMP, i, | |
1383 | PC87365_REG_TEMP_MAX); | |
1384 | data->temp_crit[i] = pc87360_read_value(data, | |
1385 | LD_TEMP, i, | |
1386 | PC87365_REG_TEMP_CRIT); | |
1387 | } | |
1388 | } | |
1389 | if (data->tempnr) { | |
1390 | data->temp_alarms = pc87360_read_value(data, LD_TEMP, | |
1391 | NO_BANK, PC87365_REG_TEMP_ALARMS) | |
1392 | & 0x3F; | |
1393 | } | |
1394 | ||
1395 | data->last_updated = jiffies; | |
1396 | data->valid = 1; | |
1397 | } | |
1398 | ||
9a61bf63 | 1399 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1400 | |
1401 | return data; | |
1402 | } | |
1403 | ||
f641b588 JD |
1404 | static int __init pc87360_device_add(unsigned short address) |
1405 | { | |
1406 | struct resource res = { | |
1407 | .name = "pc87360", | |
1408 | .flags = IORESOURCE_IO, | |
1409 | }; | |
1410 | int err, i; | |
1411 | ||
1412 | pdev = platform_device_alloc("pc87360", address); | |
1413 | if (!pdev) { | |
1414 | err = -ENOMEM; | |
1415 | printk(KERN_ERR "pc87360: Device allocation failed\n"); | |
1416 | goto exit; | |
1417 | } | |
1418 | ||
1419 | for (i = 0; i < 3; i++) { | |
1420 | if (!extra_isa[i]) | |
1421 | continue; | |
1422 | res.start = extra_isa[i]; | |
1423 | res.end = extra_isa[i] + PC87360_EXTENT - 1; | |
1424 | err = platform_device_add_resources(pdev, &res, 1); | |
1425 | if (err) { | |
1426 | printk(KERN_ERR "pc87360: Device resource[%d] " | |
1427 | "addition failed (%d)\n", i, err); | |
1428 | goto exit_device_put; | |
1429 | } | |
1430 | } | |
1431 | ||
1432 | err = platform_device_add(pdev); | |
1433 | if (err) { | |
1434 | printk(KERN_ERR "pc87360: Device addition failed (%d)\n", | |
1435 | err); | |
1436 | goto exit_device_put; | |
1437 | } | |
1438 | ||
1439 | return 0; | |
1440 | ||
1441 | exit_device_put: | |
1442 | platform_device_put(pdev); | |
1443 | exit: | |
1444 | return err; | |
1445 | } | |
1446 | ||
1da177e4 LT |
1447 | static int __init pc87360_init(void) |
1448 | { | |
f641b588 JD |
1449 | int err, i; |
1450 | unsigned short address = 0; | |
1da177e4 LT |
1451 | |
1452 | if (pc87360_find(0x2e, &devid, extra_isa) | |
1453 | && pc87360_find(0x4e, &devid, extra_isa)) { | |
1454 | printk(KERN_WARNING "pc87360: PC8736x not detected, " | |
1455 | "module not inserted.\n"); | |
1456 | return -ENODEV; | |
1457 | } | |
1458 | ||
1459 | /* Arbitrarily pick one of the addresses */ | |
1460 | for (i = 0; i < 3; i++) { | |
1461 | if (extra_isa[i] != 0x0000) { | |
2d8672c5 | 1462 | address = extra_isa[i]; |
1da177e4 LT |
1463 | break; |
1464 | } | |
1465 | } | |
1466 | ||
2d8672c5 | 1467 | if (address == 0x0000) { |
1da177e4 LT |
1468 | printk(KERN_WARNING "pc87360: No active logical device, " |
1469 | "module not inserted.\n"); | |
1470 | return -ENODEV; | |
1471 | } | |
1472 | ||
f641b588 JD |
1473 | err = platform_driver_register(&pc87360_driver); |
1474 | if (err) | |
1475 | goto exit; | |
1476 | ||
1477 | /* Sets global pdev as a side effect */ | |
1478 | err = pc87360_device_add(address); | |
1479 | if (err) | |
1480 | goto exit_driver; | |
1481 | ||
1482 | return 0; | |
1483 | ||
1484 | exit_driver: | |
1485 | platform_driver_unregister(&pc87360_driver); | |
1486 | exit: | |
1487 | return err; | |
1da177e4 LT |
1488 | } |
1489 | ||
1490 | static void __exit pc87360_exit(void) | |
1491 | { | |
f641b588 JD |
1492 | platform_device_unregister(pdev); |
1493 | platform_driver_unregister(&pc87360_driver); | |
1da177e4 LT |
1494 | } |
1495 | ||
1496 | ||
1497 | MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>"); | |
1498 | MODULE_DESCRIPTION("PC8736x hardware monitor"); | |
1499 | MODULE_LICENSE("GPL"); | |
1500 | ||
1501 | module_init(pc87360_init); | |
1502 | module_exit(pc87360_exit); |