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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 | ||
67b671bc JD |
62 | static unsigned short force_id; |
63 | module_param(force_id, ushort, 0); | |
64 | MODULE_PARM_DESC(force_id, "Override the detected device ID"); | |
65 | ||
1da177e4 LT |
66 | /* |
67 | * Super-I/O registers and operations | |
68 | */ | |
69 | ||
70 | #define DEV 0x07 /* Register: Logical device select */ | |
71 | #define DEVID 0x20 /* Register: Device ID */ | |
72 | #define ACT 0x30 /* Register: Device activation */ | |
73 | #define BASE 0x60 /* Register: Base address */ | |
74 | ||
75 | #define FSCM 0x09 /* Logical device: fans */ | |
76 | #define VLM 0x0d /* Logical device: voltages */ | |
77 | #define TMS 0x0e /* Logical device: temperatures */ | |
78 | static const u8 logdev[3] = { FSCM, VLM, TMS }; | |
79 | ||
80 | #define LD_FAN 0 | |
81 | #define LD_IN 1 | |
82 | #define LD_TEMP 2 | |
83 | ||
84 | static inline void superio_outb(int sioaddr, int reg, int val) | |
85 | { | |
86 | outb(reg, sioaddr); | |
87 | outb(val, sioaddr+1); | |
88 | } | |
89 | ||
90 | static inline int superio_inb(int sioaddr, int reg) | |
91 | { | |
92 | outb(reg, sioaddr); | |
93 | return inb(sioaddr+1); | |
94 | } | |
95 | ||
96 | static inline void superio_exit(int sioaddr) | |
97 | { | |
98 | outb(0x02, sioaddr); | |
99 | outb(0x02, sioaddr+1); | |
100 | } | |
101 | ||
102 | /* | |
103 | * Logical devices | |
104 | */ | |
105 | ||
106 | #define PC87360_EXTENT 0x10 | |
107 | #define PC87365_REG_BANK 0x09 | |
108 | #define NO_BANK 0xff | |
109 | ||
110 | /* | |
111 | * Fan registers and conversions | |
112 | */ | |
113 | ||
114 | /* nr has to be 0 or 1 (PC87360/87363) or 2 (PC87364/87365/87366) */ | |
115 | #define PC87360_REG_PRESCALE(nr) (0x00 + 2 * (nr)) | |
116 | #define PC87360_REG_PWM(nr) (0x01 + 2 * (nr)) | |
117 | #define PC87360_REG_FAN_MIN(nr) (0x06 + 3 * (nr)) | |
118 | #define PC87360_REG_FAN(nr) (0x07 + 3 * (nr)) | |
119 | #define PC87360_REG_FAN_STATUS(nr) (0x08 + 3 * (nr)) | |
120 | ||
121 | #define FAN_FROM_REG(val,div) ((val) == 0 ? 0: \ | |
122 | 480000 / ((val)*(div))) | |
123 | #define FAN_TO_REG(val,div) ((val) <= 100 ? 0 : \ | |
124 | 480000 / ((val)*(div))) | |
125 | #define FAN_DIV_FROM_REG(val) (1 << ((val >> 5) & 0x03)) | |
126 | #define FAN_STATUS_FROM_REG(val) ((val) & 0x07) | |
127 | ||
128 | #define FAN_CONFIG_MONITOR(val,nr) (((val) >> (2 + nr * 3)) & 1) | |
129 | #define FAN_CONFIG_CONTROL(val,nr) (((val) >> (3 + nr * 3)) & 1) | |
130 | #define FAN_CONFIG_INVERT(val,nr) (((val) >> (4 + nr * 3)) & 1) | |
131 | ||
132 | #define PWM_FROM_REG(val,inv) ((inv) ? 255 - (val) : (val)) | |
133 | static inline u8 PWM_TO_REG(int val, int inv) | |
134 | { | |
135 | if (inv) | |
136 | val = 255 - val; | |
137 | if (val < 0) | |
138 | return 0; | |
139 | if (val > 255) | |
140 | return 255; | |
141 | return val; | |
142 | } | |
143 | ||
144 | /* | |
145 | * Voltage registers and conversions | |
146 | */ | |
147 | ||
148 | #define PC87365_REG_IN_CONVRATE 0x07 | |
149 | #define PC87365_REG_IN_CONFIG 0x08 | |
150 | #define PC87365_REG_IN 0x0B | |
151 | #define PC87365_REG_IN_MIN 0x0D | |
152 | #define PC87365_REG_IN_MAX 0x0C | |
153 | #define PC87365_REG_IN_STATUS 0x0A | |
154 | #define PC87365_REG_IN_ALARMS1 0x00 | |
155 | #define PC87365_REG_IN_ALARMS2 0x01 | |
156 | #define PC87365_REG_VID 0x06 | |
157 | ||
158 | #define IN_FROM_REG(val,ref) (((val) * (ref) + 128) / 256) | |
159 | #define IN_TO_REG(val,ref) ((val) < 0 ? 0 : \ | |
160 | (val)*256 >= (ref)*255 ? 255: \ | |
161 | ((val) * 256 + (ref)/2) / (ref)) | |
162 | ||
163 | /* | |
164 | * Temperature registers and conversions | |
165 | */ | |
166 | ||
167 | #define PC87365_REG_TEMP_CONFIG 0x08 | |
168 | #define PC87365_REG_TEMP 0x0B | |
169 | #define PC87365_REG_TEMP_MIN 0x0D | |
170 | #define PC87365_REG_TEMP_MAX 0x0C | |
171 | #define PC87365_REG_TEMP_CRIT 0x0E | |
172 | #define PC87365_REG_TEMP_STATUS 0x0A | |
173 | #define PC87365_REG_TEMP_ALARMS 0x00 | |
174 | ||
175 | #define TEMP_FROM_REG(val) ((val) * 1000) | |
176 | #define TEMP_TO_REG(val) ((val) < -55000 ? -55 : \ | |
177 | (val) > 127000 ? 127 : \ | |
178 | (val) < 0 ? ((val) - 500) / 1000 : \ | |
179 | ((val) + 500) / 1000) | |
180 | ||
181 | /* | |
f641b588 | 182 | * Device data |
1da177e4 LT |
183 | */ |
184 | ||
185 | struct pc87360_data { | |
f641b588 | 186 | const char *name; |
1beeffe4 | 187 | struct device *hwmon_dev; |
9a61bf63 IM |
188 | struct mutex lock; |
189 | struct mutex update_lock; | |
1da177e4 LT |
190 | char valid; /* !=0 if following fields are valid */ |
191 | unsigned long last_updated; /* In jiffies */ | |
192 | ||
193 | int address[3]; | |
194 | ||
195 | u8 fannr, innr, tempnr; | |
196 | ||
197 | u8 fan[3]; /* Register value */ | |
198 | u8 fan_min[3]; /* Register value */ | |
199 | u8 fan_status[3]; /* Register value */ | |
200 | u8 pwm[3]; /* Register value */ | |
201 | u16 fan_conf; /* Configuration register values, combined */ | |
202 | ||
203 | u16 in_vref; /* 1 mV/bit */ | |
204 | u8 in[14]; /* Register value */ | |
205 | u8 in_min[14]; /* Register value */ | |
206 | u8 in_max[14]; /* Register value */ | |
207 | u8 in_crit[3]; /* Register value */ | |
208 | u8 in_status[14]; /* Register value */ | |
209 | u16 in_alarms; /* Register values, combined, masked */ | |
210 | u8 vid_conf; /* Configuration register value */ | |
211 | u8 vrm; | |
212 | u8 vid; /* Register value */ | |
213 | ||
214 | s8 temp[3]; /* Register value */ | |
215 | s8 temp_min[3]; /* Register value */ | |
216 | s8 temp_max[3]; /* Register value */ | |
217 | s8 temp_crit[3]; /* Register value */ | |
218 | u8 temp_status[3]; /* Register value */ | |
219 | u8 temp_alarms; /* Register value, masked */ | |
220 | }; | |
221 | ||
222 | /* | |
223 | * Functions declaration | |
224 | */ | |
225 | ||
f641b588 | 226 | static int pc87360_probe(struct platform_device *pdev); |
d0546128 | 227 | static int __devexit pc87360_remove(struct platform_device *pdev); |
1da177e4 LT |
228 | |
229 | static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank, | |
230 | u8 reg); | |
231 | static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank, | |
232 | u8 reg, u8 value); | |
f641b588 JD |
233 | static void pc87360_init_device(struct platform_device *pdev, |
234 | int use_thermistors); | |
1da177e4 LT |
235 | static struct pc87360_data *pc87360_update_device(struct device *dev); |
236 | ||
237 | /* | |
f641b588 | 238 | * Driver data |
1da177e4 LT |
239 | */ |
240 | ||
f641b588 | 241 | static struct platform_driver pc87360_driver = { |
cdaf7934 | 242 | .driver = { |
87218842 | 243 | .owner = THIS_MODULE, |
cdaf7934 LR |
244 | .name = "pc87360", |
245 | }, | |
f641b588 JD |
246 | .probe = pc87360_probe, |
247 | .remove = __devexit_p(pc87360_remove), | |
1da177e4 LT |
248 | }; |
249 | ||
250 | /* | |
251 | * Sysfs stuff | |
252 | */ | |
253 | ||
f0986bd8 JC |
254 | static ssize_t show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf) |
255 | { | |
256 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
257 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 JC |
258 | return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan[attr->index], |
259 | FAN_DIV_FROM_REG(data->fan_status[attr->index]))); | |
f0986bd8 JC |
260 | } |
261 | static ssize_t show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf) | |
262 | { | |
263 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
264 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 JC |
265 | return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan_min[attr->index], |
266 | FAN_DIV_FROM_REG(data->fan_status[attr->index]))); | |
f0986bd8 JC |
267 | } |
268 | static ssize_t show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf) | |
269 | { | |
270 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
271 | struct pc87360_data *data = pc87360_update_device(dev); | |
272 | return sprintf(buf, "%u\n", | |
694fa056 | 273 | FAN_DIV_FROM_REG(data->fan_status[attr->index])); |
f0986bd8 JC |
274 | } |
275 | static ssize_t show_fan_status(struct device *dev, struct device_attribute *devattr, char *buf) | |
276 | { | |
277 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
278 | struct pc87360_data *data = pc87360_update_device(dev); | |
279 | return sprintf(buf, "%u\n", | |
694fa056 | 280 | FAN_STATUS_FROM_REG(data->fan_status[attr->index])); |
f0986bd8 JC |
281 | } |
282 | static ssize_t set_fan_min(struct device *dev, struct device_attribute *devattr, const char *buf, | |
283 | size_t count) | |
284 | { | |
285 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 286 | struct pc87360_data *data = dev_get_drvdata(dev); |
11be27ea JC |
287 | long fan_min = simple_strtol(buf, NULL, 10); |
288 | ||
9a61bf63 | 289 | mutex_lock(&data->update_lock); |
11be27ea JC |
290 | fan_min = FAN_TO_REG(fan_min, FAN_DIV_FROM_REG(data->fan_status[attr->index])); |
291 | ||
292 | /* If it wouldn't fit, change clock divisor */ | |
293 | while (fan_min > 255 | |
294 | && (data->fan_status[attr->index] & 0x60) != 0x60) { | |
295 | fan_min >>= 1; | |
296 | data->fan[attr->index] >>= 1; | |
297 | data->fan_status[attr->index] += 0x20; | |
298 | } | |
299 | data->fan_min[attr->index] = fan_min > 255 ? 255 : fan_min; | |
300 | pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_MIN(attr->index), | |
301 | data->fan_min[attr->index]); | |
302 | ||
303 | /* Write new divider, preserve alarm bits */ | |
304 | pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_STATUS(attr->index), | |
305 | data->fan_status[attr->index] & 0xF9); | |
9a61bf63 | 306 | mutex_unlock(&data->update_lock); |
11be27ea JC |
307 | |
308 | return count; | |
f0986bd8 JC |
309 | } |
310 | ||
dedc6a78 JC |
311 | static struct sensor_device_attribute fan_input[] = { |
312 | SENSOR_ATTR(fan1_input, S_IRUGO, show_fan_input, NULL, 0), | |
313 | SENSOR_ATTR(fan2_input, S_IRUGO, show_fan_input, NULL, 1), | |
314 | SENSOR_ATTR(fan3_input, S_IRUGO, show_fan_input, NULL, 2), | |
315 | }; | |
316 | static struct sensor_device_attribute fan_status[] = { | |
317 | SENSOR_ATTR(fan1_status, S_IRUGO, show_fan_status, NULL, 0), | |
318 | SENSOR_ATTR(fan2_status, S_IRUGO, show_fan_status, NULL, 1), | |
319 | SENSOR_ATTR(fan3_status, S_IRUGO, show_fan_status, NULL, 2), | |
320 | }; | |
321 | static struct sensor_device_attribute fan_div[] = { | |
322 | SENSOR_ATTR(fan1_div, S_IRUGO, show_fan_div, NULL, 0), | |
323 | SENSOR_ATTR(fan2_div, S_IRUGO, show_fan_div, NULL, 1), | |
324 | SENSOR_ATTR(fan3_div, S_IRUGO, show_fan_div, NULL, 2), | |
325 | }; | |
326 | static struct sensor_device_attribute fan_min[] = { | |
327 | SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 0), | |
328 | SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 1), | |
329 | SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 2), | |
330 | }; | |
1da177e4 | 331 | |
941c5c05 JC |
332 | #define FAN_UNIT_ATTRS(X) \ |
333 | &fan_input[X].dev_attr.attr, \ | |
334 | &fan_status[X].dev_attr.attr, \ | |
335 | &fan_div[X].dev_attr.attr, \ | |
336 | &fan_min[X].dev_attr.attr | |
337 | ||
f0986bd8 JC |
338 | static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, char *buf) |
339 | { | |
340 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
341 | struct pc87360_data *data = pc87360_update_device(dev); | |
342 | return sprintf(buf, "%u\n", | |
694fa056 | 343 | PWM_FROM_REG(data->pwm[attr->index], |
f0986bd8 | 344 | FAN_CONFIG_INVERT(data->fan_conf, |
694fa056 | 345 | attr->index))); |
f0986bd8 JC |
346 | } |
347 | static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, const char *buf, | |
348 | size_t count) | |
349 | { | |
350 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 351 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
352 | long val = simple_strtol(buf, NULL, 10); |
353 | ||
9a61bf63 | 354 | mutex_lock(&data->update_lock); |
694fa056 JC |
355 | data->pwm[attr->index] = PWM_TO_REG(val, |
356 | FAN_CONFIG_INVERT(data->fan_conf, attr->index)); | |
357 | pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_PWM(attr->index), | |
358 | data->pwm[attr->index]); | |
9a61bf63 | 359 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
360 | return count; |
361 | } | |
362 | ||
dedc6a78 JC |
363 | static struct sensor_device_attribute pwm[] = { |
364 | SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 0), | |
365 | SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 1), | |
366 | SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 2), | |
367 | }; | |
1da177e4 | 368 | |
941c5c05 JC |
369 | static struct attribute * pc8736x_fan_attr_array[] = { |
370 | FAN_UNIT_ATTRS(0), | |
371 | FAN_UNIT_ATTRS(1), | |
372 | FAN_UNIT_ATTRS(2), | |
373 | &pwm[0].dev_attr.attr, | |
374 | &pwm[1].dev_attr.attr, | |
375 | &pwm[2].dev_attr.attr, | |
376 | NULL | |
377 | }; | |
378 | static const struct attribute_group pc8736x_fan_group = { | |
379 | .attrs = pc8736x_fan_attr_array, | |
380 | }; | |
381 | ||
f0986bd8 JC |
382 | static ssize_t show_in_input(struct device *dev, struct device_attribute *devattr, char *buf) |
383 | { | |
384 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
385 | struct pc87360_data *data = pc87360_update_device(dev); | |
386 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index], | |
387 | data->in_vref)); | |
388 | } | |
389 | static ssize_t show_in_min(struct device *dev, struct device_attribute *devattr, char *buf) | |
390 | { | |
391 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
392 | struct pc87360_data *data = pc87360_update_device(dev); | |
393 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index], | |
394 | data->in_vref)); | |
395 | } | |
396 | static ssize_t show_in_max(struct device *dev, struct device_attribute *devattr, char *buf) | |
397 | { | |
398 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
399 | struct pc87360_data *data = pc87360_update_device(dev); | |
400 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index], | |
401 | data->in_vref)); | |
402 | } | |
403 | static ssize_t show_in_status(struct device *dev, struct device_attribute *devattr, char *buf) | |
404 | { | |
405 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
406 | struct pc87360_data *data = pc87360_update_device(dev); | |
407 | return sprintf(buf, "%u\n", data->in_status[attr->index]); | |
408 | } | |
409 | static ssize_t set_in_min(struct device *dev, struct device_attribute *devattr, const char *buf, | |
410 | size_t count) | |
411 | { | |
412 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 413 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
414 | long val = simple_strtol(buf, NULL, 10); |
415 | ||
9a61bf63 | 416 | mutex_lock(&data->update_lock); |
f0986bd8 JC |
417 | data->in_min[attr->index] = IN_TO_REG(val, data->in_vref); |
418 | pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MIN, | |
419 | data->in_min[attr->index]); | |
9a61bf63 | 420 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
421 | return count; |
422 | } | |
423 | static ssize_t set_in_max(struct device *dev, struct device_attribute *devattr, const char *buf, | |
424 | size_t count) | |
425 | { | |
426 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 427 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
428 | long val = simple_strtol(buf, NULL, 10); |
429 | ||
9a61bf63 | 430 | mutex_lock(&data->update_lock); |
f0986bd8 JC |
431 | data->in_max[attr->index] = IN_TO_REG(val, |
432 | data->in_vref); | |
433 | pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MAX, | |
434 | data->in_max[attr->index]); | |
9a61bf63 | 435 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
436 | return count; |
437 | } | |
438 | ||
dedc6a78 JC |
439 | static struct sensor_device_attribute in_input[] = { |
440 | SENSOR_ATTR(in0_input, S_IRUGO, show_in_input, NULL, 0), | |
441 | SENSOR_ATTR(in1_input, S_IRUGO, show_in_input, NULL, 1), | |
442 | SENSOR_ATTR(in2_input, S_IRUGO, show_in_input, NULL, 2), | |
443 | SENSOR_ATTR(in3_input, S_IRUGO, show_in_input, NULL, 3), | |
444 | SENSOR_ATTR(in4_input, S_IRUGO, show_in_input, NULL, 4), | |
445 | SENSOR_ATTR(in5_input, S_IRUGO, show_in_input, NULL, 5), | |
446 | SENSOR_ATTR(in6_input, S_IRUGO, show_in_input, NULL, 6), | |
447 | SENSOR_ATTR(in7_input, S_IRUGO, show_in_input, NULL, 7), | |
448 | SENSOR_ATTR(in8_input, S_IRUGO, show_in_input, NULL, 8), | |
449 | SENSOR_ATTR(in9_input, S_IRUGO, show_in_input, NULL, 9), | |
450 | SENSOR_ATTR(in10_input, S_IRUGO, show_in_input, NULL, 10), | |
451 | }; | |
452 | static struct sensor_device_attribute in_status[] = { | |
453 | SENSOR_ATTR(in0_status, S_IRUGO, show_in_status, NULL, 0), | |
454 | SENSOR_ATTR(in1_status, S_IRUGO, show_in_status, NULL, 1), | |
455 | SENSOR_ATTR(in2_status, S_IRUGO, show_in_status, NULL, 2), | |
456 | SENSOR_ATTR(in3_status, S_IRUGO, show_in_status, NULL, 3), | |
457 | SENSOR_ATTR(in4_status, S_IRUGO, show_in_status, NULL, 4), | |
458 | SENSOR_ATTR(in5_status, S_IRUGO, show_in_status, NULL, 5), | |
459 | SENSOR_ATTR(in6_status, S_IRUGO, show_in_status, NULL, 6), | |
460 | SENSOR_ATTR(in7_status, S_IRUGO, show_in_status, NULL, 7), | |
461 | SENSOR_ATTR(in8_status, S_IRUGO, show_in_status, NULL, 8), | |
462 | SENSOR_ATTR(in9_status, S_IRUGO, show_in_status, NULL, 9), | |
463 | SENSOR_ATTR(in10_status, S_IRUGO, show_in_status, NULL, 10), | |
464 | }; | |
465 | static struct sensor_device_attribute in_min[] = { | |
466 | SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 0), | |
467 | SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 1), | |
468 | SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 2), | |
469 | SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 3), | |
470 | SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 4), | |
471 | SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 5), | |
472 | SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 6), | |
473 | SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 7), | |
474 | SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 8), | |
475 | SENSOR_ATTR(in9_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 9), | |
476 | SENSOR_ATTR(in10_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 10), | |
477 | }; | |
478 | static struct sensor_device_attribute in_max[] = { | |
479 | SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 0), | |
480 | SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 1), | |
481 | SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 2), | |
482 | SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 3), | |
483 | SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 4), | |
484 | SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 5), | |
485 | SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 6), | |
486 | SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 7), | |
487 | SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 8), | |
488 | SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 9), | |
489 | SENSOR_ATTR(in10_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 10), | |
490 | }; | |
1da177e4 | 491 | |
28f74e71 JC |
492 | /* (temp & vin) channel status register alarm bits (pdf sec.11.5.12) */ |
493 | #define CHAN_ALM_MIN 0x02 /* min limit crossed */ | |
494 | #define CHAN_ALM_MAX 0x04 /* max limit exceeded */ | |
495 | #define TEMP_ALM_CRIT 0x08 /* temp crit exceeded (temp only) */ | |
496 | ||
492e9657 JC |
497 | /* show_in_min/max_alarm() reads data from the per-channel status |
498 | register (sec 11.5.12), not the vin event status registers (sec | |
499 | 11.5.2) that (legacy) show_in_alarm() resds (via data->in_alarms) */ | |
500 | ||
501 | static ssize_t show_in_min_alarm(struct device *dev, | |
502 | struct device_attribute *devattr, char *buf) | |
503 | { | |
504 | struct pc87360_data *data = pc87360_update_device(dev); | |
505 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
506 | ||
507 | return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MIN)); | |
508 | } | |
509 | static ssize_t show_in_max_alarm(struct device *dev, | |
510 | struct device_attribute *devattr, char *buf) | |
511 | { | |
512 | struct pc87360_data *data = pc87360_update_device(dev); | |
513 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
514 | ||
515 | return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MAX)); | |
516 | } | |
517 | ||
518 | static struct sensor_device_attribute in_min_alarm[] = { | |
519 | SENSOR_ATTR(in0_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 0), | |
520 | SENSOR_ATTR(in1_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 1), | |
521 | SENSOR_ATTR(in2_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 2), | |
522 | SENSOR_ATTR(in3_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 3), | |
523 | SENSOR_ATTR(in4_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 4), | |
524 | SENSOR_ATTR(in5_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 5), | |
525 | SENSOR_ATTR(in6_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 6), | |
526 | SENSOR_ATTR(in7_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 7), | |
527 | SENSOR_ATTR(in8_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 8), | |
528 | SENSOR_ATTR(in9_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 9), | |
529 | SENSOR_ATTR(in10_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 10), | |
530 | }; | |
531 | static struct sensor_device_attribute in_max_alarm[] = { | |
532 | SENSOR_ATTR(in0_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 0), | |
533 | SENSOR_ATTR(in1_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 1), | |
534 | SENSOR_ATTR(in2_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 2), | |
535 | SENSOR_ATTR(in3_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 3), | |
536 | SENSOR_ATTR(in4_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 4), | |
537 | SENSOR_ATTR(in5_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 5), | |
538 | SENSOR_ATTR(in6_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 6), | |
539 | SENSOR_ATTR(in7_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 7), | |
540 | SENSOR_ATTR(in8_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 8), | |
541 | SENSOR_ATTR(in9_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 9), | |
542 | SENSOR_ATTR(in10_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 10), | |
543 | }; | |
544 | ||
941c5c05 JC |
545 | #define VIN_UNIT_ATTRS(X) \ |
546 | &in_input[X].dev_attr.attr, \ | |
547 | &in_status[X].dev_attr.attr, \ | |
548 | &in_min[X].dev_attr.attr, \ | |
492e9657 JC |
549 | &in_max[X].dev_attr.attr, \ |
550 | &in_min_alarm[X].dev_attr.attr, \ | |
551 | &in_max_alarm[X].dev_attr.attr | |
941c5c05 | 552 | |
44646c19 JC |
553 | static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf) |
554 | { | |
555 | struct pc87360_data *data = pc87360_update_device(dev); | |
556 | return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm)); | |
557 | } | |
558 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); | |
559 | ||
560 | static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf) | |
561 | { | |
90d6619a | 562 | struct pc87360_data *data = dev_get_drvdata(dev); |
44646c19 JC |
563 | return sprintf(buf, "%u\n", data->vrm); |
564 | } | |
565 | static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) | |
566 | { | |
f641b588 | 567 | struct pc87360_data *data = dev_get_drvdata(dev); |
44646c19 JC |
568 | data->vrm = simple_strtoul(buf, NULL, 10); |
569 | return count; | |
570 | } | |
571 | static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm); | |
572 | ||
573 | static ssize_t show_in_alarms(struct device *dev, struct device_attribute *attr, char *buf) | |
574 | { | |
575 | struct pc87360_data *data = pc87360_update_device(dev); | |
576 | return sprintf(buf, "%u\n", data->in_alarms); | |
577 | } | |
578 | static DEVICE_ATTR(alarms_in, S_IRUGO, show_in_alarms, NULL); | |
579 | ||
941c5c05 JC |
580 | static struct attribute *pc8736x_vin_attr_array[] = { |
581 | VIN_UNIT_ATTRS(0), | |
582 | VIN_UNIT_ATTRS(1), | |
583 | VIN_UNIT_ATTRS(2), | |
584 | VIN_UNIT_ATTRS(3), | |
585 | VIN_UNIT_ATTRS(4), | |
586 | VIN_UNIT_ATTRS(5), | |
587 | VIN_UNIT_ATTRS(6), | |
588 | VIN_UNIT_ATTRS(7), | |
589 | VIN_UNIT_ATTRS(8), | |
590 | VIN_UNIT_ATTRS(9), | |
591 | VIN_UNIT_ATTRS(10), | |
592 | &dev_attr_cpu0_vid.attr, | |
593 | &dev_attr_vrm.attr, | |
594 | &dev_attr_alarms_in.attr, | |
595 | NULL | |
596 | }; | |
597 | static const struct attribute_group pc8736x_vin_group = { | |
598 | .attrs = pc8736x_vin_attr_array, | |
599 | }; | |
600 | ||
f0986bd8 JC |
601 | static ssize_t show_therm_input(struct device *dev, struct device_attribute *devattr, char *buf) |
602 | { | |
603 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
604 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 605 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index], |
f0986bd8 JC |
606 | data->in_vref)); |
607 | } | |
608 | static ssize_t show_therm_min(struct device *dev, struct device_attribute *devattr, char *buf) | |
609 | { | |
610 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
611 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 612 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index], |
f0986bd8 JC |
613 | data->in_vref)); |
614 | } | |
615 | static ssize_t show_therm_max(struct device *dev, struct device_attribute *devattr, char *buf) | |
616 | { | |
617 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
618 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 619 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index], |
f0986bd8 JC |
620 | data->in_vref)); |
621 | } | |
622 | static ssize_t show_therm_crit(struct device *dev, struct device_attribute *devattr, char *buf) | |
623 | { | |
624 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
625 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 626 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_crit[attr->index-11], |
f0986bd8 JC |
627 | data->in_vref)); |
628 | } | |
629 | static ssize_t show_therm_status(struct device *dev, struct device_attribute *devattr, char *buf) | |
630 | { | |
631 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
632 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 633 | return sprintf(buf, "%u\n", data->in_status[attr->index]); |
f0986bd8 JC |
634 | } |
635 | static ssize_t set_therm_min(struct device *dev, struct device_attribute *devattr, const char *buf, | |
636 | size_t count) | |
637 | { | |
638 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 639 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
640 | long val = simple_strtol(buf, NULL, 10); |
641 | ||
9a61bf63 | 642 | mutex_lock(&data->update_lock); |
694fa056 JC |
643 | data->in_min[attr->index] = IN_TO_REG(val, data->in_vref); |
644 | pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MIN, | |
645 | data->in_min[attr->index]); | |
9a61bf63 | 646 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
647 | return count; |
648 | } | |
649 | static ssize_t set_therm_max(struct device *dev, struct device_attribute *devattr, const char *buf, | |
650 | size_t count) | |
651 | { | |
652 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 653 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
654 | long val = simple_strtol(buf, NULL, 10); |
655 | ||
9a61bf63 | 656 | mutex_lock(&data->update_lock); |
694fa056 JC |
657 | data->in_max[attr->index] = IN_TO_REG(val, data->in_vref); |
658 | pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MAX, | |
659 | data->in_max[attr->index]); | |
9a61bf63 | 660 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
661 | return count; |
662 | } | |
663 | static ssize_t set_therm_crit(struct device *dev, struct device_attribute *devattr, const char *buf, | |
664 | size_t count) | |
665 | { | |
666 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 667 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
668 | long val = simple_strtol(buf, NULL, 10); |
669 | ||
9a61bf63 | 670 | mutex_lock(&data->update_lock); |
694fa056 JC |
671 | data->in_crit[attr->index-11] = IN_TO_REG(val, data->in_vref); |
672 | pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_CRIT, | |
673 | data->in_crit[attr->index-11]); | |
9a61bf63 | 674 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
675 | return count; |
676 | } | |
677 | ||
dedc6a78 JC |
678 | /* the +11 term below reflects the fact that VLM units 11,12,13 are |
679 | used in the chip to measure voltage across the thermistors | |
680 | */ | |
681 | static struct sensor_device_attribute therm_input[] = { | |
682 | SENSOR_ATTR(temp4_input, S_IRUGO, show_therm_input, NULL, 0+11), | |
683 | SENSOR_ATTR(temp5_input, S_IRUGO, show_therm_input, NULL, 1+11), | |
684 | SENSOR_ATTR(temp6_input, S_IRUGO, show_therm_input, NULL, 2+11), | |
685 | }; | |
686 | static struct sensor_device_attribute therm_status[] = { | |
687 | SENSOR_ATTR(temp4_status, S_IRUGO, show_therm_status, NULL, 0+11), | |
688 | SENSOR_ATTR(temp5_status, S_IRUGO, show_therm_status, NULL, 1+11), | |
689 | SENSOR_ATTR(temp6_status, S_IRUGO, show_therm_status, NULL, 2+11), | |
690 | }; | |
691 | static struct sensor_device_attribute therm_min[] = { | |
692 | SENSOR_ATTR(temp4_min, S_IRUGO | S_IWUSR, | |
693 | show_therm_min, set_therm_min, 0+11), | |
694 | SENSOR_ATTR(temp5_min, S_IRUGO | S_IWUSR, | |
695 | show_therm_min, set_therm_min, 1+11), | |
696 | SENSOR_ATTR(temp6_min, S_IRUGO | S_IWUSR, | |
697 | show_therm_min, set_therm_min, 2+11), | |
698 | }; | |
699 | static struct sensor_device_attribute therm_max[] = { | |
700 | SENSOR_ATTR(temp4_max, S_IRUGO | S_IWUSR, | |
701 | show_therm_max, set_therm_max, 0+11), | |
702 | SENSOR_ATTR(temp5_max, S_IRUGO | S_IWUSR, | |
703 | show_therm_max, set_therm_max, 1+11), | |
704 | SENSOR_ATTR(temp6_max, S_IRUGO | S_IWUSR, | |
705 | show_therm_max, set_therm_max, 2+11), | |
706 | }; | |
707 | static struct sensor_device_attribute therm_crit[] = { | |
708 | SENSOR_ATTR(temp4_crit, S_IRUGO | S_IWUSR, | |
709 | show_therm_crit, set_therm_crit, 0+11), | |
710 | SENSOR_ATTR(temp5_crit, S_IRUGO | S_IWUSR, | |
711 | show_therm_crit, set_therm_crit, 1+11), | |
712 | SENSOR_ATTR(temp6_crit, S_IRUGO | S_IWUSR, | |
713 | show_therm_crit, set_therm_crit, 2+11), | |
714 | }; | |
1da177e4 | 715 | |
941c5c05 JC |
716 | #define THERM_UNIT_ATTRS(X) \ |
717 | &therm_input[X].dev_attr.attr, \ | |
718 | &therm_status[X].dev_attr.attr, \ | |
719 | &therm_min[X].dev_attr.attr, \ | |
720 | &therm_max[X].dev_attr.attr, \ | |
721 | &therm_crit[X].dev_attr.attr | |
722 | ||
723 | static struct attribute * pc8736x_therm_attr_array[] = { | |
724 | THERM_UNIT_ATTRS(0), | |
725 | THERM_UNIT_ATTRS(1), | |
726 | THERM_UNIT_ATTRS(2), | |
727 | NULL | |
728 | }; | |
729 | static const struct attribute_group pc8736x_therm_group = { | |
730 | .attrs = pc8736x_therm_attr_array, | |
731 | }; | |
732 | ||
f0986bd8 JC |
733 | static ssize_t show_temp_input(struct device *dev, struct device_attribute *devattr, char *buf) |
734 | { | |
735 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
736 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 737 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index])); |
f0986bd8 JC |
738 | } |
739 | static ssize_t show_temp_min(struct device *dev, struct device_attribute *devattr, char *buf) | |
740 | { | |
741 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
742 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 743 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[attr->index])); |
f0986bd8 JC |
744 | } |
745 | static ssize_t show_temp_max(struct device *dev, struct device_attribute *devattr, char *buf) | |
746 | { | |
747 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
748 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 749 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[attr->index])); |
f0986bd8 JC |
750 | } |
751 | static ssize_t show_temp_crit(struct device *dev, struct device_attribute *devattr, char *buf) | |
752 | { | |
753 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
754 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 755 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[attr->index])); |
f0986bd8 JC |
756 | } |
757 | static ssize_t show_temp_status(struct device *dev, struct device_attribute *devattr, char *buf) | |
758 | { | |
759 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
760 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 761 | return sprintf(buf, "%d\n", data->temp_status[attr->index]); |
f0986bd8 JC |
762 | } |
763 | static ssize_t set_temp_min(struct device *dev, struct device_attribute *devattr, const char *buf, | |
764 | size_t count) | |
765 | { | |
766 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 767 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
768 | long val = simple_strtol(buf, NULL, 10); |
769 | ||
9a61bf63 | 770 | mutex_lock(&data->update_lock); |
694fa056 JC |
771 | data->temp_min[attr->index] = TEMP_TO_REG(val); |
772 | pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MIN, | |
773 | data->temp_min[attr->index]); | |
9a61bf63 | 774 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
775 | return count; |
776 | } | |
777 | static ssize_t set_temp_max(struct device *dev, struct device_attribute *devattr, const char *buf, | |
778 | size_t count) | |
779 | { | |
780 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 781 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
782 | long val = simple_strtol(buf, NULL, 10); |
783 | ||
9a61bf63 | 784 | mutex_lock(&data->update_lock); |
694fa056 JC |
785 | data->temp_max[attr->index] = TEMP_TO_REG(val); |
786 | pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MAX, | |
787 | data->temp_max[attr->index]); | |
9a61bf63 | 788 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
789 | return count; |
790 | } | |
791 | static ssize_t set_temp_crit(struct device *dev, struct device_attribute *devattr, const char *buf, | |
792 | size_t count) | |
793 | { | |
794 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 795 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
796 | long val = simple_strtol(buf, NULL, 10); |
797 | ||
9a61bf63 | 798 | mutex_lock(&data->update_lock); |
694fa056 JC |
799 | data->temp_crit[attr->index] = TEMP_TO_REG(val); |
800 | pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_CRIT, | |
801 | data->temp_crit[attr->index]); | |
9a61bf63 | 802 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
803 | return count; |
804 | } | |
805 | ||
dedc6a78 JC |
806 | static struct sensor_device_attribute temp_input[] = { |
807 | SENSOR_ATTR(temp1_input, S_IRUGO, show_temp_input, NULL, 0), | |
808 | SENSOR_ATTR(temp2_input, S_IRUGO, show_temp_input, NULL, 1), | |
809 | SENSOR_ATTR(temp3_input, S_IRUGO, show_temp_input, NULL, 2), | |
810 | }; | |
811 | static struct sensor_device_attribute temp_status[] = { | |
812 | SENSOR_ATTR(temp1_status, S_IRUGO, show_temp_status, NULL, 0), | |
813 | SENSOR_ATTR(temp2_status, S_IRUGO, show_temp_status, NULL, 1), | |
814 | SENSOR_ATTR(temp3_status, S_IRUGO, show_temp_status, NULL, 2), | |
815 | }; | |
816 | static struct sensor_device_attribute temp_min[] = { | |
817 | SENSOR_ATTR(temp1_min, S_IRUGO | S_IWUSR, | |
818 | show_temp_min, set_temp_min, 0), | |
819 | SENSOR_ATTR(temp2_min, S_IRUGO | S_IWUSR, | |
820 | show_temp_min, set_temp_min, 1), | |
821 | SENSOR_ATTR(temp3_min, S_IRUGO | S_IWUSR, | |
822 | show_temp_min, set_temp_min, 2), | |
823 | }; | |
824 | static struct sensor_device_attribute temp_max[] = { | |
825 | SENSOR_ATTR(temp1_max, S_IRUGO | S_IWUSR, | |
826 | show_temp_max, set_temp_max, 0), | |
827 | SENSOR_ATTR(temp2_max, S_IRUGO | S_IWUSR, | |
828 | show_temp_max, set_temp_max, 1), | |
829 | SENSOR_ATTR(temp3_max, S_IRUGO | S_IWUSR, | |
830 | show_temp_max, set_temp_max, 2), | |
831 | }; | |
832 | static struct sensor_device_attribute temp_crit[] = { | |
833 | SENSOR_ATTR(temp1_crit, S_IRUGO | S_IWUSR, | |
834 | show_temp_crit, set_temp_crit, 0), | |
835 | SENSOR_ATTR(temp2_crit, S_IRUGO | S_IWUSR, | |
836 | show_temp_crit, set_temp_crit, 1), | |
837 | SENSOR_ATTR(temp3_crit, S_IRUGO | S_IWUSR, | |
838 | show_temp_crit, set_temp_crit, 2), | |
839 | }; | |
1da177e4 | 840 | |
a5099cfc | 841 | static ssize_t show_temp_alarms(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
842 | { |
843 | struct pc87360_data *data = pc87360_update_device(dev); | |
844 | return sprintf(buf, "%u\n", data->temp_alarms); | |
845 | } | |
846 | static DEVICE_ATTR(alarms_temp, S_IRUGO, show_temp_alarms, NULL); | |
847 | ||
b267e8cd JC |
848 | /* show_temp_min/max_alarm() reads data from the per-channel status |
849 | register (sec 12.3.7), not the temp event status registers (sec | |
850 | 12.3.2) that show_temp_alarm() reads (via data->temp_alarms) */ | |
851 | ||
852 | static ssize_t show_temp_min_alarm(struct device *dev, | |
853 | struct device_attribute *devattr, char *buf) | |
854 | { | |
855 | struct pc87360_data *data = pc87360_update_device(dev); | |
856 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
857 | ||
858 | return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MIN)); | |
859 | } | |
860 | static ssize_t show_temp_max_alarm(struct device *dev, | |
861 | struct device_attribute *devattr, char *buf) | |
862 | { | |
863 | struct pc87360_data *data = pc87360_update_device(dev); | |
864 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
865 | ||
866 | return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MAX)); | |
867 | } | |
868 | static ssize_t show_temp_crit_alarm(struct device *dev, | |
869 | struct device_attribute *devattr, char *buf) | |
870 | { | |
871 | struct pc87360_data *data = pc87360_update_device(dev); | |
872 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
873 | ||
874 | return sprintf(buf, "%u\n", !!(data->temp_status[nr] & TEMP_ALM_CRIT)); | |
875 | } | |
876 | ||
877 | static struct sensor_device_attribute temp_min_alarm[] = { | |
878 | SENSOR_ATTR(temp1_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 0), | |
879 | SENSOR_ATTR(temp2_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 1), | |
880 | SENSOR_ATTR(temp3_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 2), | |
881 | }; | |
882 | static struct sensor_device_attribute temp_max_alarm[] = { | |
883 | SENSOR_ATTR(temp1_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 0), | |
884 | SENSOR_ATTR(temp2_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 1), | |
885 | SENSOR_ATTR(temp3_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 2), | |
886 | }; | |
887 | static struct sensor_device_attribute temp_crit_alarm[] = { | |
888 | SENSOR_ATTR(temp1_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 0), | |
889 | SENSOR_ATTR(temp2_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 1), | |
890 | SENSOR_ATTR(temp3_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 2), | |
891 | }; | |
892 | ||
893 | #define TEMP_FAULT 0x40 /* open diode */ | |
894 | static ssize_t show_temp_fault(struct device *dev, | |
895 | struct device_attribute *devattr, char *buf) | |
896 | { | |
897 | struct pc87360_data *data = pc87360_update_device(dev); | |
898 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
899 | ||
900 | return sprintf(buf, "%u\n", !!(data->temp_status[nr] & TEMP_FAULT)); | |
901 | } | |
902 | static struct sensor_device_attribute temp_fault[] = { | |
903 | SENSOR_ATTR(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0), | |
904 | SENSOR_ATTR(temp2_fault, S_IRUGO, show_temp_fault, NULL, 1), | |
905 | SENSOR_ATTR(temp3_fault, S_IRUGO, show_temp_fault, NULL, 2), | |
906 | }; | |
907 | ||
941c5c05 JC |
908 | #define TEMP_UNIT_ATTRS(X) \ |
909 | &temp_input[X].dev_attr.attr, \ | |
910 | &temp_status[X].dev_attr.attr, \ | |
911 | &temp_min[X].dev_attr.attr, \ | |
912 | &temp_max[X].dev_attr.attr, \ | |
b267e8cd JC |
913 | &temp_crit[X].dev_attr.attr, \ |
914 | &temp_min_alarm[X].dev_attr.attr, \ | |
915 | &temp_max_alarm[X].dev_attr.attr, \ | |
916 | &temp_crit_alarm[X].dev_attr.attr, \ | |
917 | &temp_fault[X].dev_attr.attr | |
941c5c05 JC |
918 | |
919 | static struct attribute * pc8736x_temp_attr_array[] = { | |
920 | TEMP_UNIT_ATTRS(0), | |
921 | TEMP_UNIT_ATTRS(1), | |
922 | TEMP_UNIT_ATTRS(2), | |
923 | /* include the few miscellaneous atts here */ | |
924 | &dev_attr_alarms_temp.attr, | |
925 | NULL | |
926 | }; | |
927 | static const struct attribute_group pc8736x_temp_group = { | |
928 | .attrs = pc8736x_temp_attr_array, | |
929 | }; | |
930 | ||
b267e8cd JC |
931 | static ssize_t show_name(struct device *dev, |
932 | struct device_attribute *devattr, char *buf) | |
f641b588 JD |
933 | { |
934 | struct pc87360_data *data = dev_get_drvdata(dev); | |
935 | return sprintf(buf, "%s\n", data->name); | |
936 | } | |
937 | static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); | |
938 | ||
1da177e4 LT |
939 | /* |
940 | * Device detection, registration and update | |
941 | */ | |
942 | ||
e6cfb3ad | 943 | static int __init pc87360_find(int sioaddr, u8 *devid, unsigned short *addresses) |
1da177e4 LT |
944 | { |
945 | u16 val; | |
946 | int i; | |
947 | int nrdev; /* logical device count */ | |
948 | ||
949 | /* No superio_enter */ | |
950 | ||
951 | /* Identify device */ | |
67b671bc | 952 | val = force_id ? force_id : superio_inb(sioaddr, DEVID); |
1da177e4 LT |
953 | switch (val) { |
954 | case 0xE1: /* PC87360 */ | |
955 | case 0xE8: /* PC87363 */ | |
956 | case 0xE4: /* PC87364 */ | |
957 | nrdev = 1; | |
958 | break; | |
959 | case 0xE5: /* PC87365 */ | |
960 | case 0xE9: /* PC87366 */ | |
961 | nrdev = 3; | |
962 | break; | |
963 | default: | |
964 | superio_exit(sioaddr); | |
965 | return -ENODEV; | |
966 | } | |
967 | /* Remember the device id */ | |
968 | *devid = val; | |
969 | ||
970 | for (i = 0; i < nrdev; i++) { | |
971 | /* select logical device */ | |
972 | superio_outb(sioaddr, DEV, logdev[i]); | |
973 | ||
974 | val = superio_inb(sioaddr, ACT); | |
975 | if (!(val & 0x01)) { | |
976 | printk(KERN_INFO "pc87360: Device 0x%02x not " | |
977 | "activated\n", logdev[i]); | |
978 | continue; | |
979 | } | |
980 | ||
981 | val = (superio_inb(sioaddr, BASE) << 8) | |
982 | | superio_inb(sioaddr, BASE + 1); | |
983 | if (!val) { | |
984 | printk(KERN_INFO "pc87360: Base address not set for " | |
985 | "device 0x%02x\n", logdev[i]); | |
986 | continue; | |
987 | } | |
988 | ||
2d8672c5 | 989 | addresses[i] = val; |
1da177e4 LT |
990 | |
991 | if (i==0) { /* Fans */ | |
992 | confreg[0] = superio_inb(sioaddr, 0xF0); | |
993 | confreg[1] = superio_inb(sioaddr, 0xF1); | |
994 | ||
995 | #ifdef DEBUG | |
996 | printk(KERN_DEBUG "pc87360: Fan 1: mon=%d " | |
997 | "ctrl=%d inv=%d\n", (confreg[0]>>2)&1, | |
998 | (confreg[0]>>3)&1, (confreg[0]>>4)&1); | |
999 | printk(KERN_DEBUG "pc87360: Fan 2: mon=%d " | |
1000 | "ctrl=%d inv=%d\n", (confreg[0]>>5)&1, | |
1001 | (confreg[0]>>6)&1, (confreg[0]>>7)&1); | |
1002 | printk(KERN_DEBUG "pc87360: Fan 3: mon=%d " | |
1003 | "ctrl=%d inv=%d\n", confreg[1]&1, | |
1004 | (confreg[1]>>1)&1, (confreg[1]>>2)&1); | |
1005 | #endif | |
1006 | } else if (i==1) { /* Voltages */ | |
1007 | /* Are we using thermistors? */ | |
1008 | if (*devid == 0xE9) { /* PC87366 */ | |
1009 | /* These registers are not logical-device | |
1010 | specific, just that we won't need them if | |
1011 | we don't use the VLM device */ | |
1012 | confreg[2] = superio_inb(sioaddr, 0x2B); | |
1013 | confreg[3] = superio_inb(sioaddr, 0x25); | |
1014 | ||
1015 | if (confreg[2] & 0x40) { | |
1016 | printk(KERN_INFO "pc87360: Using " | |
1017 | "thermistors for temperature " | |
1018 | "monitoring\n"); | |
1019 | } | |
1020 | if (confreg[3] & 0xE0) { | |
1021 | printk(KERN_INFO "pc87360: VID " | |
1022 | "inputs routed (mode %u)\n", | |
1023 | confreg[3] >> 5); | |
1024 | } | |
1025 | } | |
1026 | } | |
1027 | } | |
1028 | ||
1029 | superio_exit(sioaddr); | |
1030 | return 0; | |
1031 | } | |
1032 | ||
f641b588 | 1033 | static int __devinit pc87360_probe(struct platform_device *pdev) |
1da177e4 LT |
1034 | { |
1035 | int i; | |
1da177e4 LT |
1036 | struct pc87360_data *data; |
1037 | int err = 0; | |
1038 | const char *name = "pc87360"; | |
1039 | int use_thermistors = 0; | |
f641b588 | 1040 | struct device *dev = &pdev->dev; |
1da177e4 | 1041 | |
ba9c2e8d | 1042 | if (!(data = kzalloc(sizeof(struct pc87360_data), GFP_KERNEL))) |
1da177e4 | 1043 | return -ENOMEM; |
1da177e4 | 1044 | |
1da177e4 LT |
1045 | data->fannr = 2; |
1046 | data->innr = 0; | |
1047 | data->tempnr = 0; | |
1048 | ||
1049 | switch (devid) { | |
1050 | case 0xe8: | |
1051 | name = "pc87363"; | |
1052 | break; | |
1053 | case 0xe4: | |
1054 | name = "pc87364"; | |
1055 | data->fannr = 3; | |
1056 | break; | |
1057 | case 0xe5: | |
1058 | name = "pc87365"; | |
1059 | data->fannr = extra_isa[0] ? 3 : 0; | |
1060 | data->innr = extra_isa[1] ? 11 : 0; | |
1061 | data->tempnr = extra_isa[2] ? 2 : 0; | |
1062 | break; | |
1063 | case 0xe9: | |
1064 | name = "pc87366"; | |
1065 | data->fannr = extra_isa[0] ? 3 : 0; | |
1066 | data->innr = extra_isa[1] ? 14 : 0; | |
1067 | data->tempnr = extra_isa[2] ? 3 : 0; | |
1068 | break; | |
1069 | } | |
1070 | ||
f641b588 | 1071 | data->name = name; |
1da177e4 | 1072 | data->valid = 0; |
f641b588 | 1073 | mutex_init(&data->lock); |
9a61bf63 | 1074 | mutex_init(&data->update_lock); |
f641b588 | 1075 | platform_set_drvdata(pdev, data); |
1da177e4 LT |
1076 | |
1077 | for (i = 0; i < 3; i++) { | |
1078 | if (((data->address[i] = extra_isa[i])) | |
1079 | && !request_region(extra_isa[i], PC87360_EXTENT, | |
cdaf7934 | 1080 | pc87360_driver.driver.name)) { |
f641b588 | 1081 | dev_err(dev, "Region 0x%x-0x%x already " |
1da177e4 LT |
1082 | "in use!\n", extra_isa[i], |
1083 | extra_isa[i]+PC87360_EXTENT-1); | |
1084 | for (i--; i >= 0; i--) | |
1085 | release_region(extra_isa[i], PC87360_EXTENT); | |
1086 | err = -EBUSY; | |
1087 | goto ERROR1; | |
1088 | } | |
1089 | } | |
1090 | ||
1091 | /* Retrieve the fans configuration from Super-I/O space */ | |
1092 | if (data->fannr) | |
1093 | data->fan_conf = confreg[0] | (confreg[1] << 8); | |
1094 | ||
1da177e4 LT |
1095 | /* Use the correct reference voltage |
1096 | Unless both the VLM and the TMS logical devices agree to | |
1097 | use an external Vref, the internal one is used. */ | |
1098 | if (data->innr) { | |
1099 | i = pc87360_read_value(data, LD_IN, NO_BANK, | |
1100 | PC87365_REG_IN_CONFIG); | |
1101 | if (data->tempnr) { | |
1102 | i &= pc87360_read_value(data, LD_TEMP, NO_BANK, | |
1103 | PC87365_REG_TEMP_CONFIG); | |
1104 | } | |
1105 | data->in_vref = (i&0x02) ? 3025 : 2966; | |
f641b588 | 1106 | dev_dbg(dev, "Using %s reference voltage\n", |
1da177e4 LT |
1107 | (i&0x02) ? "external" : "internal"); |
1108 | ||
1109 | data->vid_conf = confreg[3]; | |
3d7f9a86 | 1110 | data->vrm = vid_which_vrm(); |
1da177e4 LT |
1111 | } |
1112 | ||
1113 | /* Fan clock dividers may be needed before any data is read */ | |
1114 | for (i = 0; i < data->fannr; i++) { | |
1115 | if (FAN_CONFIG_MONITOR(data->fan_conf, i)) | |
1116 | data->fan_status[i] = pc87360_read_value(data, | |
1117 | LD_FAN, NO_BANK, | |
1118 | PC87360_REG_FAN_STATUS(i)); | |
1119 | } | |
1120 | ||
1121 | if (init > 0) { | |
1122 | if (devid == 0xe9 && data->address[1]) /* PC87366 */ | |
1123 | use_thermistors = confreg[2] & 0x40; | |
1124 | ||
f641b588 | 1125 | pc87360_init_device(pdev, use_thermistors); |
1da177e4 LT |
1126 | } |
1127 | ||
f3722d5b JC |
1128 | /* Register all-or-nothing sysfs groups */ |
1129 | ||
1130 | if (data->innr && | |
f641b588 | 1131 | (err = sysfs_create_group(&dev->kobj, |
f3722d5b | 1132 | &pc8736x_vin_group))) |
943b0830 | 1133 | goto ERROR3; |
943b0830 | 1134 | |
f3722d5b | 1135 | if (data->innr == 14 && |
f641b588 | 1136 | (err = sysfs_create_group(&dev->kobj, |
f3722d5b JC |
1137 | &pc8736x_therm_group))) |
1138 | goto ERROR3; | |
1139 | ||
1140 | /* create device attr-files for varying sysfs groups */ | |
1da177e4 LT |
1141 | |
1142 | if (data->tempnr) { | |
dedc6a78 | 1143 | for (i = 0; i < data->tempnr; i++) { |
f3722d5b JC |
1144 | if ((err = device_create_file(dev, |
1145 | &temp_input[i].dev_attr)) | |
1146 | || (err = device_create_file(dev, | |
1147 | &temp_min[i].dev_attr)) | |
1148 | || (err = device_create_file(dev, | |
1149 | &temp_max[i].dev_attr)) | |
1150 | || (err = device_create_file(dev, | |
1151 | &temp_crit[i].dev_attr)) | |
1152 | || (err = device_create_file(dev, | |
b267e8cd JC |
1153 | &temp_status[i].dev_attr)) |
1154 | || (err = device_create_file(dev, | |
1155 | &temp_min_alarm[i].dev_attr)) | |
1156 | || (err = device_create_file(dev, | |
1157 | &temp_max_alarm[i].dev_attr)) | |
1158 | || (err = device_create_file(dev, | |
1159 | &temp_crit_alarm[i].dev_attr)) | |
1160 | || (err = device_create_file(dev, | |
1161 | &temp_fault[i].dev_attr))) | |
f3722d5b | 1162 | goto ERROR3; |
1da177e4 | 1163 | } |
f3722d5b JC |
1164 | if ((err = device_create_file(dev, &dev_attr_alarms_temp))) |
1165 | goto ERROR3; | |
1da177e4 | 1166 | } |
1da177e4 | 1167 | |
dedc6a78 | 1168 | for (i = 0; i < data->fannr; i++) { |
f3722d5b JC |
1169 | if (FAN_CONFIG_MONITOR(data->fan_conf, i) |
1170 | && ((err = device_create_file(dev, | |
1171 | &fan_input[i].dev_attr)) | |
1172 | || (err = device_create_file(dev, | |
1173 | &fan_min[i].dev_attr)) | |
1174 | || (err = device_create_file(dev, | |
1175 | &fan_div[i].dev_attr)) | |
1176 | || (err = device_create_file(dev, | |
1177 | &fan_status[i].dev_attr)))) | |
1178 | goto ERROR3; | |
1179 | ||
1180 | if (FAN_CONFIG_CONTROL(data->fan_conf, i) | |
1181 | && (err = device_create_file(dev, &pwm[i].dev_attr))) | |
1182 | goto ERROR3; | |
1da177e4 LT |
1183 | } |
1184 | ||
f641b588 JD |
1185 | if ((err = device_create_file(dev, &dev_attr_name))) |
1186 | goto ERROR3; | |
1187 | ||
1beeffe4 TJ |
1188 | data->hwmon_dev = hwmon_device_register(dev); |
1189 | if (IS_ERR(data->hwmon_dev)) { | |
1190 | err = PTR_ERR(data->hwmon_dev); | |
f3722d5b JC |
1191 | goto ERROR3; |
1192 | } | |
1da177e4 LT |
1193 | return 0; |
1194 | ||
943b0830 | 1195 | ERROR3: |
f641b588 | 1196 | device_remove_file(dev, &dev_attr_name); |
f3722d5b | 1197 | /* can still remove groups whose members were added individually */ |
f641b588 JD |
1198 | sysfs_remove_group(&dev->kobj, &pc8736x_temp_group); |
1199 | sysfs_remove_group(&dev->kobj, &pc8736x_fan_group); | |
1200 | sysfs_remove_group(&dev->kobj, &pc8736x_therm_group); | |
1201 | sysfs_remove_group(&dev->kobj, &pc8736x_vin_group); | |
1da177e4 LT |
1202 | for (i = 0; i < 3; i++) { |
1203 | if (data->address[i]) { | |
1204 | release_region(data->address[i], PC87360_EXTENT); | |
1205 | } | |
1206 | } | |
1207 | ERROR1: | |
1208 | kfree(data); | |
1209 | return err; | |
1210 | } | |
1211 | ||
f641b588 | 1212 | static int __devexit pc87360_remove(struct platform_device *pdev) |
1da177e4 | 1213 | { |
f641b588 | 1214 | struct pc87360_data *data = platform_get_drvdata(pdev); |
1da177e4 LT |
1215 | int i; |
1216 | ||
1beeffe4 | 1217 | hwmon_device_unregister(data->hwmon_dev); |
943b0830 | 1218 | |
f641b588 JD |
1219 | device_remove_file(&pdev->dev, &dev_attr_name); |
1220 | sysfs_remove_group(&pdev->dev.kobj, &pc8736x_temp_group); | |
1221 | sysfs_remove_group(&pdev->dev.kobj, &pc8736x_fan_group); | |
1222 | sysfs_remove_group(&pdev->dev.kobj, &pc8736x_therm_group); | |
1223 | sysfs_remove_group(&pdev->dev.kobj, &pc8736x_vin_group); | |
1da177e4 LT |
1224 | |
1225 | for (i = 0; i < 3; i++) { | |
1226 | if (data->address[i]) { | |
1227 | release_region(data->address[i], PC87360_EXTENT); | |
1228 | } | |
1229 | } | |
1230 | kfree(data); | |
1231 | ||
1232 | return 0; | |
1233 | } | |
1234 | ||
1235 | /* ldi is the logical device index | |
1236 | bank is for voltages and temperatures only */ | |
1237 | static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank, | |
1238 | u8 reg) | |
1239 | { | |
1240 | int res; | |
1241 | ||
9a61bf63 | 1242 | mutex_lock(&(data->lock)); |
1da177e4 LT |
1243 | if (bank != NO_BANK) |
1244 | outb_p(bank, data->address[ldi] + PC87365_REG_BANK); | |
1245 | res = inb_p(data->address[ldi] + reg); | |
9a61bf63 | 1246 | mutex_unlock(&(data->lock)); |
1da177e4 LT |
1247 | |
1248 | return res; | |
1249 | } | |
1250 | ||
1251 | static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank, | |
1252 | u8 reg, u8 value) | |
1253 | { | |
9a61bf63 | 1254 | mutex_lock(&(data->lock)); |
1da177e4 LT |
1255 | if (bank != NO_BANK) |
1256 | outb_p(bank, data->address[ldi] + PC87365_REG_BANK); | |
1257 | outb_p(value, data->address[ldi] + reg); | |
9a61bf63 | 1258 | mutex_unlock(&(data->lock)); |
1da177e4 LT |
1259 | } |
1260 | ||
28f74e71 JC |
1261 | /* (temp & vin) channel conversion status register flags (pdf sec.11.5.12) */ |
1262 | #define CHAN_CNVRTD 0x80 /* new data ready */ | |
1263 | #define CHAN_ENA 0x01 /* enabled channel (temp or vin) */ | |
1264 | #define CHAN_ALM_ENA 0x10 /* propagate to alarms-reg ?? (chk val!) */ | |
1265 | #define CHAN_READY (CHAN_ENA|CHAN_CNVRTD) /* sample ready mask */ | |
1266 | ||
b267e8cd JC |
1267 | #define TEMP_OTS_OE 0x20 /* OTS Output Enable */ |
1268 | #define VIN_RW1C_MASK (CHAN_READY|CHAN_ALM_MAX|CHAN_ALM_MIN) /* 0x87 */ | |
1269 | #define TEMP_RW1C_MASK (VIN_RW1C_MASK|TEMP_ALM_CRIT|TEMP_FAULT) /* 0xCF */ | |
1270 | ||
f641b588 JD |
1271 | static void pc87360_init_device(struct platform_device *pdev, |
1272 | int use_thermistors) | |
1da177e4 | 1273 | { |
f641b588 | 1274 | struct pc87360_data *data = platform_get_drvdata(pdev); |
1da177e4 LT |
1275 | int i, nr; |
1276 | const u8 init_in[14] = { 2, 2, 2, 2, 2, 2, 2, 1, 1, 3, 1, 2, 2, 2 }; | |
1277 | const u8 init_temp[3] = { 2, 2, 1 }; | |
1278 | u8 reg; | |
1279 | ||
1280 | if (init >= 2 && data->innr) { | |
1281 | reg = pc87360_read_value(data, LD_IN, NO_BANK, | |
1282 | PC87365_REG_IN_CONVRATE); | |
f641b588 | 1283 | dev_info(&pdev->dev, "VLM conversion set to " |
1da177e4 LT |
1284 | "1s period, 160us delay\n"); |
1285 | pc87360_write_value(data, LD_IN, NO_BANK, | |
1286 | PC87365_REG_IN_CONVRATE, | |
1287 | (reg & 0xC0) | 0x11); | |
1288 | } | |
1289 | ||
1290 | nr = data->innr < 11 ? data->innr : 11; | |
dedc6a78 | 1291 | for (i = 0; i < nr; i++) { |
1da177e4 LT |
1292 | if (init >= init_in[i]) { |
1293 | /* Forcibly enable voltage channel */ | |
1294 | reg = pc87360_read_value(data, LD_IN, i, | |
1295 | PC87365_REG_IN_STATUS); | |
28f74e71 | 1296 | if (!(reg & CHAN_ENA)) { |
f641b588 | 1297 | dev_dbg(&pdev->dev, "Forcibly " |
1da177e4 LT |
1298 | "enabling in%d\n", i); |
1299 | pc87360_write_value(data, LD_IN, i, | |
1300 | PC87365_REG_IN_STATUS, | |
1301 | (reg & 0x68) | 0x87); | |
1302 | } | |
1303 | } | |
1304 | } | |
1305 | ||
1306 | /* We can't blindly trust the Super-I/O space configuration bit, | |
1307 | most BIOS won't set it properly */ | |
dedc6a78 | 1308 | for (i = 11; i < data->innr; i++) { |
1da177e4 LT |
1309 | reg = pc87360_read_value(data, LD_IN, i, |
1310 | PC87365_REG_TEMP_STATUS); | |
28f74e71 | 1311 | use_thermistors = use_thermistors || (reg & CHAN_ENA); |
1da177e4 LT |
1312 | } |
1313 | ||
1314 | i = use_thermistors ? 2 : 0; | |
dedc6a78 | 1315 | for (; i < data->tempnr; i++) { |
1da177e4 LT |
1316 | if (init >= init_temp[i]) { |
1317 | /* Forcibly enable temperature channel */ | |
1318 | reg = pc87360_read_value(data, LD_TEMP, i, | |
1319 | PC87365_REG_TEMP_STATUS); | |
28f74e71 | 1320 | if (!(reg & CHAN_ENA)) { |
f641b588 | 1321 | dev_dbg(&pdev->dev, "Forcibly " |
1da177e4 LT |
1322 | "enabling temp%d\n", i+1); |
1323 | pc87360_write_value(data, LD_TEMP, i, | |
1324 | PC87365_REG_TEMP_STATUS, | |
1325 | 0xCF); | |
1326 | } | |
1327 | } | |
1328 | } | |
1329 | ||
1330 | if (use_thermistors) { | |
dedc6a78 | 1331 | for (i = 11; i < data->innr; i++) { |
1da177e4 LT |
1332 | if (init >= init_in[i]) { |
1333 | /* The pin may already be used by thermal | |
1334 | diodes */ | |
1335 | reg = pc87360_read_value(data, LD_TEMP, | |
1336 | (i-11)/2, PC87365_REG_TEMP_STATUS); | |
28f74e71 | 1337 | if (reg & CHAN_ENA) { |
f641b588 | 1338 | dev_dbg(&pdev->dev, "Skipping " |
1da177e4 LT |
1339 | "temp%d, pin already in use " |
1340 | "by temp%d\n", i-7, (i-11)/2); | |
1341 | continue; | |
1342 | } | |
1343 | ||
1344 | /* Forcibly enable thermistor channel */ | |
1345 | reg = pc87360_read_value(data, LD_IN, i, | |
1346 | PC87365_REG_IN_STATUS); | |
28f74e71 | 1347 | if (!(reg & CHAN_ENA)) { |
f641b588 | 1348 | dev_dbg(&pdev->dev, "Forcibly " |
1da177e4 LT |
1349 | "enabling temp%d\n", i-7); |
1350 | pc87360_write_value(data, LD_IN, i, | |
1351 | PC87365_REG_TEMP_STATUS, | |
1352 | (reg & 0x60) | 0x8F); | |
1353 | } | |
1354 | } | |
1355 | } | |
1356 | } | |
1357 | ||
1358 | if (data->innr) { | |
1359 | reg = pc87360_read_value(data, LD_IN, NO_BANK, | |
1360 | PC87365_REG_IN_CONFIG); | |
28f74e71 | 1361 | if (reg & CHAN_ENA) { |
f641b588 | 1362 | dev_dbg(&pdev->dev, "Forcibly " |
1da177e4 LT |
1363 | "enabling monitoring (VLM)\n"); |
1364 | pc87360_write_value(data, LD_IN, NO_BANK, | |
1365 | PC87365_REG_IN_CONFIG, | |
1366 | reg & 0xFE); | |
1367 | } | |
1368 | } | |
1369 | ||
1370 | if (data->tempnr) { | |
1371 | reg = pc87360_read_value(data, LD_TEMP, NO_BANK, | |
1372 | PC87365_REG_TEMP_CONFIG); | |
28f74e71 | 1373 | if (reg & CHAN_ENA) { |
f641b588 | 1374 | dev_dbg(&pdev->dev, "Forcibly enabling " |
1da177e4 LT |
1375 | "monitoring (TMS)\n"); |
1376 | pc87360_write_value(data, LD_TEMP, NO_BANK, | |
1377 | PC87365_REG_TEMP_CONFIG, | |
1378 | reg & 0xFE); | |
1379 | } | |
1380 | ||
1381 | if (init >= 2) { | |
1382 | /* Chip config as documented by National Semi. */ | |
1383 | pc87360_write_value(data, LD_TEMP, 0xF, 0xA, 0x08); | |
1384 | /* We voluntarily omit the bank here, in case the | |
1385 | sequence itself matters. It shouldn't be a problem, | |
1386 | since nobody else is supposed to access the | |
1387 | device at that point. */ | |
1388 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xB, 0x04); | |
1389 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xC, 0x35); | |
1390 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xD, 0x05); | |
1391 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xE, 0x05); | |
1392 | } | |
1393 | } | |
1394 | } | |
1395 | ||
f641b588 | 1396 | static void pc87360_autodiv(struct device *dev, int nr) |
1da177e4 | 1397 | { |
f641b588 | 1398 | struct pc87360_data *data = dev_get_drvdata(dev); |
1da177e4 LT |
1399 | u8 old_min = data->fan_min[nr]; |
1400 | ||
1401 | /* Increase clock divider if needed and possible */ | |
1402 | if ((data->fan_status[nr] & 0x04) /* overflow flag */ | |
1403 | || (data->fan[nr] >= 224)) { /* next to overflow */ | |
1404 | if ((data->fan_status[nr] & 0x60) != 0x60) { | |
1405 | data->fan_status[nr] += 0x20; | |
1406 | data->fan_min[nr] >>= 1; | |
1407 | data->fan[nr] >>= 1; | |
f641b588 | 1408 | dev_dbg(dev, "Increasing " |
1da177e4 LT |
1409 | "clock divider to %d for fan %d\n", |
1410 | FAN_DIV_FROM_REG(data->fan_status[nr]), nr+1); | |
1411 | } | |
1412 | } else { | |
1413 | /* Decrease clock divider if possible */ | |
1414 | while (!(data->fan_min[nr] & 0x80) /* min "nails" divider */ | |
1415 | && data->fan[nr] < 85 /* bad accuracy */ | |
1416 | && (data->fan_status[nr] & 0x60) != 0x00) { | |
1417 | data->fan_status[nr] -= 0x20; | |
1418 | data->fan_min[nr] <<= 1; | |
1419 | data->fan[nr] <<= 1; | |
f641b588 | 1420 | dev_dbg(dev, "Decreasing " |
1da177e4 LT |
1421 | "clock divider to %d for fan %d\n", |
1422 | FAN_DIV_FROM_REG(data->fan_status[nr]), | |
1423 | nr+1); | |
1424 | } | |
1425 | } | |
1426 | ||
1427 | /* Write new fan min if it changed */ | |
1428 | if (old_min != data->fan_min[nr]) { | |
1429 | pc87360_write_value(data, LD_FAN, NO_BANK, | |
1430 | PC87360_REG_FAN_MIN(nr), | |
1431 | data->fan_min[nr]); | |
1432 | } | |
1433 | } | |
1434 | ||
1435 | static struct pc87360_data *pc87360_update_device(struct device *dev) | |
1436 | { | |
f641b588 | 1437 | struct pc87360_data *data = dev_get_drvdata(dev); |
1da177e4 LT |
1438 | u8 i; |
1439 | ||
9a61bf63 | 1440 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1441 | |
1442 | if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) { | |
f641b588 | 1443 | dev_dbg(dev, "Data update\n"); |
1da177e4 LT |
1444 | |
1445 | /* Fans */ | |
1446 | for (i = 0; i < data->fannr; i++) { | |
1447 | if (FAN_CONFIG_MONITOR(data->fan_conf, i)) { | |
1448 | data->fan_status[i] = | |
1449 | pc87360_read_value(data, LD_FAN, | |
1450 | NO_BANK, PC87360_REG_FAN_STATUS(i)); | |
1451 | data->fan[i] = pc87360_read_value(data, LD_FAN, | |
1452 | NO_BANK, PC87360_REG_FAN(i)); | |
1453 | data->fan_min[i] = pc87360_read_value(data, | |
1454 | LD_FAN, NO_BANK, | |
1455 | PC87360_REG_FAN_MIN(i)); | |
1456 | /* Change clock divider if needed */ | |
f641b588 | 1457 | pc87360_autodiv(dev, i); |
1da177e4 LT |
1458 | /* Clear bits and write new divider */ |
1459 | pc87360_write_value(data, LD_FAN, NO_BANK, | |
1460 | PC87360_REG_FAN_STATUS(i), | |
1461 | data->fan_status[i]); | |
1462 | } | |
1463 | if (FAN_CONFIG_CONTROL(data->fan_conf, i)) | |
1464 | data->pwm[i] = pc87360_read_value(data, LD_FAN, | |
1465 | NO_BANK, PC87360_REG_PWM(i)); | |
1466 | } | |
1467 | ||
1468 | /* Voltages */ | |
1469 | for (i = 0; i < data->innr; i++) { | |
1470 | data->in_status[i] = pc87360_read_value(data, LD_IN, i, | |
1471 | PC87365_REG_IN_STATUS); | |
1472 | /* Clear bits */ | |
1473 | pc87360_write_value(data, LD_IN, i, | |
1474 | PC87365_REG_IN_STATUS, | |
1475 | data->in_status[i]); | |
28f74e71 | 1476 | if ((data->in_status[i] & CHAN_READY) == CHAN_READY) { |
1da177e4 LT |
1477 | data->in[i] = pc87360_read_value(data, LD_IN, |
1478 | i, PC87365_REG_IN); | |
1479 | } | |
28f74e71 | 1480 | if (data->in_status[i] & CHAN_ENA) { |
1da177e4 LT |
1481 | data->in_min[i] = pc87360_read_value(data, |
1482 | LD_IN, i, | |
1483 | PC87365_REG_IN_MIN); | |
1484 | data->in_max[i] = pc87360_read_value(data, | |
1485 | LD_IN, i, | |
1486 | PC87365_REG_IN_MAX); | |
1487 | if (i >= 11) | |
1488 | data->in_crit[i-11] = | |
1489 | pc87360_read_value(data, LD_IN, | |
1490 | i, PC87365_REG_TEMP_CRIT); | |
1491 | } | |
1492 | } | |
1493 | if (data->innr) { | |
1494 | data->in_alarms = pc87360_read_value(data, LD_IN, | |
1495 | NO_BANK, PC87365_REG_IN_ALARMS1) | |
1496 | | ((pc87360_read_value(data, LD_IN, | |
1497 | NO_BANK, PC87365_REG_IN_ALARMS2) | |
1498 | & 0x07) << 8); | |
1499 | data->vid = (data->vid_conf & 0xE0) ? | |
1500 | pc87360_read_value(data, LD_IN, | |
1501 | NO_BANK, PC87365_REG_VID) : 0x1F; | |
1502 | } | |
1503 | ||
1504 | /* Temperatures */ | |
1505 | for (i = 0; i < data->tempnr; i++) { | |
1506 | data->temp_status[i] = pc87360_read_value(data, | |
1507 | LD_TEMP, i, | |
1508 | PC87365_REG_TEMP_STATUS); | |
1509 | /* Clear bits */ | |
1510 | pc87360_write_value(data, LD_TEMP, i, | |
1511 | PC87365_REG_TEMP_STATUS, | |
1512 | data->temp_status[i]); | |
28f74e71 | 1513 | if ((data->temp_status[i] & CHAN_READY) == CHAN_READY) { |
1da177e4 LT |
1514 | data->temp[i] = pc87360_read_value(data, |
1515 | LD_TEMP, i, | |
1516 | PC87365_REG_TEMP); | |
1517 | } | |
28f74e71 | 1518 | if (data->temp_status[i] & CHAN_ENA) { |
1da177e4 LT |
1519 | data->temp_min[i] = pc87360_read_value(data, |
1520 | LD_TEMP, i, | |
1521 | PC87365_REG_TEMP_MIN); | |
1522 | data->temp_max[i] = pc87360_read_value(data, | |
1523 | LD_TEMP, i, | |
1524 | PC87365_REG_TEMP_MAX); | |
1525 | data->temp_crit[i] = pc87360_read_value(data, | |
1526 | LD_TEMP, i, | |
1527 | PC87365_REG_TEMP_CRIT); | |
1528 | } | |
1529 | } | |
1530 | if (data->tempnr) { | |
1531 | data->temp_alarms = pc87360_read_value(data, LD_TEMP, | |
1532 | NO_BANK, PC87365_REG_TEMP_ALARMS) | |
1533 | & 0x3F; | |
1534 | } | |
1535 | ||
1536 | data->last_updated = jiffies; | |
1537 | data->valid = 1; | |
1538 | } | |
1539 | ||
9a61bf63 | 1540 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1541 | |
1542 | return data; | |
1543 | } | |
1544 | ||
f641b588 JD |
1545 | static int __init pc87360_device_add(unsigned short address) |
1546 | { | |
1547 | struct resource res = { | |
1548 | .name = "pc87360", | |
1549 | .flags = IORESOURCE_IO, | |
1550 | }; | |
1551 | int err, i; | |
1552 | ||
1553 | pdev = platform_device_alloc("pc87360", address); | |
1554 | if (!pdev) { | |
1555 | err = -ENOMEM; | |
1556 | printk(KERN_ERR "pc87360: Device allocation failed\n"); | |
1557 | goto exit; | |
1558 | } | |
1559 | ||
1560 | for (i = 0; i < 3; i++) { | |
1561 | if (!extra_isa[i]) | |
1562 | continue; | |
1563 | res.start = extra_isa[i]; | |
1564 | res.end = extra_isa[i] + PC87360_EXTENT - 1; | |
1565 | err = platform_device_add_resources(pdev, &res, 1); | |
1566 | if (err) { | |
1567 | printk(KERN_ERR "pc87360: Device resource[%d] " | |
1568 | "addition failed (%d)\n", i, err); | |
1569 | goto exit_device_put; | |
1570 | } | |
1571 | } | |
1572 | ||
1573 | err = platform_device_add(pdev); | |
1574 | if (err) { | |
1575 | printk(KERN_ERR "pc87360: Device addition failed (%d)\n", | |
1576 | err); | |
1577 | goto exit_device_put; | |
1578 | } | |
1579 | ||
1580 | return 0; | |
1581 | ||
1582 | exit_device_put: | |
1583 | platform_device_put(pdev); | |
1584 | exit: | |
1585 | return err; | |
1586 | } | |
1587 | ||
1da177e4 LT |
1588 | static int __init pc87360_init(void) |
1589 | { | |
f641b588 JD |
1590 | int err, i; |
1591 | unsigned short address = 0; | |
1da177e4 LT |
1592 | |
1593 | if (pc87360_find(0x2e, &devid, extra_isa) | |
1594 | && pc87360_find(0x4e, &devid, extra_isa)) { | |
1595 | printk(KERN_WARNING "pc87360: PC8736x not detected, " | |
1596 | "module not inserted.\n"); | |
1597 | return -ENODEV; | |
1598 | } | |
1599 | ||
1600 | /* Arbitrarily pick one of the addresses */ | |
1601 | for (i = 0; i < 3; i++) { | |
1602 | if (extra_isa[i] != 0x0000) { | |
2d8672c5 | 1603 | address = extra_isa[i]; |
1da177e4 LT |
1604 | break; |
1605 | } | |
1606 | } | |
1607 | ||
2d8672c5 | 1608 | if (address == 0x0000) { |
1da177e4 LT |
1609 | printk(KERN_WARNING "pc87360: No active logical device, " |
1610 | "module not inserted.\n"); | |
1611 | return -ENODEV; | |
1612 | } | |
1613 | ||
f641b588 JD |
1614 | err = platform_driver_register(&pc87360_driver); |
1615 | if (err) | |
1616 | goto exit; | |
1617 | ||
1618 | /* Sets global pdev as a side effect */ | |
1619 | err = pc87360_device_add(address); | |
1620 | if (err) | |
1621 | goto exit_driver; | |
1622 | ||
1623 | return 0; | |
1624 | ||
1625 | exit_driver: | |
1626 | platform_driver_unregister(&pc87360_driver); | |
1627 | exit: | |
1628 | return err; | |
1da177e4 LT |
1629 | } |
1630 | ||
1631 | static void __exit pc87360_exit(void) | |
1632 | { | |
f641b588 JD |
1633 | platform_device_unregister(pdev); |
1634 | platform_driver_unregister(&pc87360_driver); | |
1da177e4 LT |
1635 | } |
1636 | ||
1637 | ||
1638 | MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>"); | |
1639 | MODULE_DESCRIPTION("PC8736x hardware monitor"); | |
1640 | MODULE_LICENSE("GPL"); | |
1641 | ||
1642 | module_init(pc87360_init); | |
1643 | module_exit(pc87360_exit); |