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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * pc87360.c - Part of lm_sensors, Linux kernel modules | |
3 | * for hardware monitoring | |
7c81c60f | 4 | * Copyright (C) 2004, 2007 Jean Delvare <jdelvare@suse.de> |
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 | ||
9e991c6f JP |
36 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
37 | ||
1da177e4 LT |
38 | #include <linux/module.h> |
39 | #include <linux/init.h> | |
40 | #include <linux/slab.h> | |
41 | #include <linux/jiffies.h> | |
f641b588 | 42 | #include <linux/platform_device.h> |
943b0830 | 43 | #include <linux/hwmon.h> |
f0986bd8 | 44 | #include <linux/hwmon-sysfs.h> |
303760b4 | 45 | #include <linux/hwmon-vid.h> |
943b0830 | 46 | #include <linux/err.h> |
9a61bf63 | 47 | #include <linux/mutex.h> |
b9acb64a | 48 | #include <linux/acpi.h> |
6055fae8 | 49 | #include <linux/io.h> |
1da177e4 | 50 | |
1da177e4 | 51 | static u8 devid; |
f641b588 | 52 | static struct platform_device *pdev; |
2d8672c5 | 53 | static unsigned short extra_isa[3]; |
1da177e4 LT |
54 | static u8 confreg[4]; |
55 | ||
1da177e4 LT |
56 | static int init = 1; |
57 | module_param(init, int, 0); | |
58 | MODULE_PARM_DESC(init, | |
449a7a07 GR |
59 | "Chip initialization level:\n" |
60 | " 0: None\n" | |
61 | "*1: Forcibly enable internal voltage and temperature channels, except in9\n" | |
62 | " 2: Forcibly enable all voltage and temperature channels, except in9\n" | |
63 | " 3: Forcibly enable all voltage and temperature channels, including in9"); | |
1da177e4 | 64 | |
67b671bc JD |
65 | static unsigned short force_id; |
66 | module_param(force_id, ushort, 0); | |
67 | MODULE_PARM_DESC(force_id, "Override the detected device ID"); | |
68 | ||
1da177e4 LT |
69 | /* |
70 | * Super-I/O registers and operations | |
71 | */ | |
72 | ||
73 | #define DEV 0x07 /* Register: Logical device select */ | |
74 | #define DEVID 0x20 /* Register: Device ID */ | |
75 | #define ACT 0x30 /* Register: Device activation */ | |
76 | #define BASE 0x60 /* Register: Base address */ | |
77 | ||
78 | #define FSCM 0x09 /* Logical device: fans */ | |
79 | #define VLM 0x0d /* Logical device: voltages */ | |
80 | #define TMS 0x0e /* Logical device: temperatures */ | |
2a32ec25 JC |
81 | #define LDNI_MAX 3 |
82 | static const u8 logdev[LDNI_MAX] = { FSCM, VLM, TMS }; | |
1da177e4 LT |
83 | |
84 | #define LD_FAN 0 | |
85 | #define LD_IN 1 | |
86 | #define LD_TEMP 2 | |
87 | ||
88 | static inline void superio_outb(int sioaddr, int reg, int val) | |
89 | { | |
90 | outb(reg, sioaddr); | |
449a7a07 | 91 | outb(val, sioaddr + 1); |
1da177e4 LT |
92 | } |
93 | ||
94 | static inline int superio_inb(int sioaddr, int reg) | |
95 | { | |
96 | outb(reg, sioaddr); | |
449a7a07 | 97 | return inb(sioaddr + 1); |
1da177e4 LT |
98 | } |
99 | ||
100 | static inline void superio_exit(int sioaddr) | |
101 | { | |
102 | outb(0x02, sioaddr); | |
449a7a07 | 103 | outb(0x02, sioaddr + 1); |
1da177e4 LT |
104 | } |
105 | ||
106 | /* | |
107 | * Logical devices | |
108 | */ | |
109 | ||
110 | #define PC87360_EXTENT 0x10 | |
111 | #define PC87365_REG_BANK 0x09 | |
112 | #define NO_BANK 0xff | |
113 | ||
114 | /* | |
115 | * Fan registers and conversions | |
116 | */ | |
117 | ||
118 | /* nr has to be 0 or 1 (PC87360/87363) or 2 (PC87364/87365/87366) */ | |
119 | #define PC87360_REG_PRESCALE(nr) (0x00 + 2 * (nr)) | |
120 | #define PC87360_REG_PWM(nr) (0x01 + 2 * (nr)) | |
121 | #define PC87360_REG_FAN_MIN(nr) (0x06 + 3 * (nr)) | |
122 | #define PC87360_REG_FAN(nr) (0x07 + 3 * (nr)) | |
123 | #define PC87360_REG_FAN_STATUS(nr) (0x08 + 3 * (nr)) | |
124 | ||
449a7a07 GR |
125 | #define FAN_FROM_REG(val, div) ((val) == 0 ? 0 : \ |
126 | 480000 / ((val) * (div))) | |
127 | #define FAN_TO_REG(val, div) ((val) <= 100 ? 0 : \ | |
128 | 480000 / ((val) * (div))) | |
129 | #define FAN_DIV_FROM_REG(val) (1 << (((val) >> 5) & 0x03)) | |
1da177e4 LT |
130 | #define FAN_STATUS_FROM_REG(val) ((val) & 0x07) |
131 | ||
449a7a07 GR |
132 | #define FAN_CONFIG_MONITOR(val, nr) (((val) >> (2 + (nr) * 3)) & 1) |
133 | #define FAN_CONFIG_CONTROL(val, nr) (((val) >> (3 + (nr) * 3)) & 1) | |
134 | #define FAN_CONFIG_INVERT(val, nr) (((val) >> (4 + (nr) * 3)) & 1) | |
1da177e4 | 135 | |
449a7a07 | 136 | #define PWM_FROM_REG(val, inv) ((inv) ? 255 - (val) : (val)) |
1da177e4 LT |
137 | static inline u8 PWM_TO_REG(int val, int inv) |
138 | { | |
139 | if (inv) | |
140 | val = 255 - val; | |
141 | if (val < 0) | |
142 | return 0; | |
143 | if (val > 255) | |
144 | return 255; | |
145 | return val; | |
146 | } | |
147 | ||
148 | /* | |
149 | * Voltage registers and conversions | |
150 | */ | |
151 | ||
152 | #define PC87365_REG_IN_CONVRATE 0x07 | |
153 | #define PC87365_REG_IN_CONFIG 0x08 | |
154 | #define PC87365_REG_IN 0x0B | |
155 | #define PC87365_REG_IN_MIN 0x0D | |
156 | #define PC87365_REG_IN_MAX 0x0C | |
157 | #define PC87365_REG_IN_STATUS 0x0A | |
158 | #define PC87365_REG_IN_ALARMS1 0x00 | |
159 | #define PC87365_REG_IN_ALARMS2 0x01 | |
160 | #define PC87365_REG_VID 0x06 | |
161 | ||
449a7a07 GR |
162 | #define IN_FROM_REG(val, ref) (((val) * (ref) + 128) / 256) |
163 | #define IN_TO_REG(val, ref) ((val) < 0 ? 0 : \ | |
164 | (val) * 256 >= (ref) * 255 ? 255 : \ | |
165 | ((val) * 256 + (ref) / 2) / (ref)) | |
1da177e4 LT |
166 | |
167 | /* | |
168 | * Temperature registers and conversions | |
169 | */ | |
170 | ||
171 | #define PC87365_REG_TEMP_CONFIG 0x08 | |
172 | #define PC87365_REG_TEMP 0x0B | |
173 | #define PC87365_REG_TEMP_MIN 0x0D | |
174 | #define PC87365_REG_TEMP_MAX 0x0C | |
175 | #define PC87365_REG_TEMP_CRIT 0x0E | |
176 | #define PC87365_REG_TEMP_STATUS 0x0A | |
177 | #define PC87365_REG_TEMP_ALARMS 0x00 | |
178 | ||
179 | #define TEMP_FROM_REG(val) ((val) * 1000) | |
180 | #define TEMP_TO_REG(val) ((val) < -55000 ? -55 : \ | |
181 | (val) > 127000 ? 127 : \ | |
182 | (val) < 0 ? ((val) - 500) / 1000 : \ | |
183 | ((val) + 500) / 1000) | |
184 | ||
185 | /* | |
f641b588 | 186 | * Device data |
1da177e4 LT |
187 | */ |
188 | ||
189 | struct pc87360_data { | |
f641b588 | 190 | const char *name; |
1beeffe4 | 191 | struct device *hwmon_dev; |
9a61bf63 IM |
192 | struct mutex lock; |
193 | struct mutex update_lock; | |
1da177e4 LT |
194 | char valid; /* !=0 if following fields are valid */ |
195 | unsigned long last_updated; /* In jiffies */ | |
196 | ||
197 | int address[3]; | |
198 | ||
199 | u8 fannr, innr, tempnr; | |
200 | ||
201 | u8 fan[3]; /* Register value */ | |
202 | u8 fan_min[3]; /* Register value */ | |
203 | u8 fan_status[3]; /* Register value */ | |
204 | u8 pwm[3]; /* Register value */ | |
205 | u16 fan_conf; /* Configuration register values, combined */ | |
206 | ||
207 | u16 in_vref; /* 1 mV/bit */ | |
208 | u8 in[14]; /* Register value */ | |
209 | u8 in_min[14]; /* Register value */ | |
210 | u8 in_max[14]; /* Register value */ | |
211 | u8 in_crit[3]; /* Register value */ | |
212 | u8 in_status[14]; /* Register value */ | |
213 | u16 in_alarms; /* Register values, combined, masked */ | |
214 | u8 vid_conf; /* Configuration register value */ | |
215 | u8 vrm; | |
216 | u8 vid; /* Register value */ | |
217 | ||
218 | s8 temp[3]; /* Register value */ | |
219 | s8 temp_min[3]; /* Register value */ | |
220 | s8 temp_max[3]; /* Register value */ | |
221 | s8 temp_crit[3]; /* Register value */ | |
222 | u8 temp_status[3]; /* Register value */ | |
223 | u8 temp_alarms; /* Register value, masked */ | |
224 | }; | |
225 | ||
226 | /* | |
227 | * Functions declaration | |
228 | */ | |
229 | ||
f641b588 | 230 | static int pc87360_probe(struct platform_device *pdev); |
281dfd0b | 231 | static int pc87360_remove(struct platform_device *pdev); |
1da177e4 LT |
232 | |
233 | static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank, | |
234 | u8 reg); | |
235 | static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank, | |
236 | u8 reg, u8 value); | |
f641b588 JD |
237 | static void pc87360_init_device(struct platform_device *pdev, |
238 | int use_thermistors); | |
1da177e4 LT |
239 | static struct pc87360_data *pc87360_update_device(struct device *dev); |
240 | ||
241 | /* | |
f641b588 | 242 | * Driver data |
1da177e4 LT |
243 | */ |
244 | ||
f641b588 | 245 | static struct platform_driver pc87360_driver = { |
cdaf7934 | 246 | .driver = { |
cdaf7934 LR |
247 | .name = "pc87360", |
248 | }, | |
f641b588 | 249 | .probe = pc87360_probe, |
9e5e9b7a | 250 | .remove = pc87360_remove, |
1da177e4 LT |
251 | }; |
252 | ||
253 | /* | |
254 | * Sysfs stuff | |
255 | */ | |
256 | ||
449a7a07 GR |
257 | static ssize_t show_fan_input(struct device *dev, |
258 | struct device_attribute *devattr, char *buf) | |
f0986bd8 JC |
259 | { |
260 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
261 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 JC |
262 | return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan[attr->index], |
263 | FAN_DIV_FROM_REG(data->fan_status[attr->index]))); | |
f0986bd8 | 264 | } |
449a7a07 GR |
265 | static ssize_t show_fan_min(struct device *dev, |
266 | struct device_attribute *devattr, char *buf) | |
f0986bd8 JC |
267 | { |
268 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
269 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 JC |
270 | return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan_min[attr->index], |
271 | FAN_DIV_FROM_REG(data->fan_status[attr->index]))); | |
f0986bd8 | 272 | } |
449a7a07 GR |
273 | static ssize_t show_fan_div(struct device *dev, |
274 | struct device_attribute *devattr, char *buf) | |
f0986bd8 JC |
275 | { |
276 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
277 | struct pc87360_data *data = pc87360_update_device(dev); | |
278 | return sprintf(buf, "%u\n", | |
694fa056 | 279 | FAN_DIV_FROM_REG(data->fan_status[attr->index])); |
f0986bd8 | 280 | } |
449a7a07 GR |
281 | static ssize_t show_fan_status(struct device *dev, |
282 | struct device_attribute *devattr, char *buf) | |
f0986bd8 JC |
283 | { |
284 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
285 | struct pc87360_data *data = pc87360_update_device(dev); | |
286 | return sprintf(buf, "%u\n", | |
694fa056 | 287 | FAN_STATUS_FROM_REG(data->fan_status[attr->index])); |
f0986bd8 | 288 | } |
449a7a07 GR |
289 | static ssize_t set_fan_min(struct device *dev, |
290 | struct device_attribute *devattr, const char *buf, | |
f0986bd8 JC |
291 | size_t count) |
292 | { | |
293 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 294 | struct pc87360_data *data = dev_get_drvdata(dev); |
449a7a07 GR |
295 | long fan_min; |
296 | int err; | |
297 | ||
298 | err = kstrtol(buf, 10, &fan_min); | |
299 | if (err) | |
300 | return err; | |
11be27ea | 301 | |
9a61bf63 | 302 | mutex_lock(&data->update_lock); |
449a7a07 GR |
303 | fan_min = FAN_TO_REG(fan_min, |
304 | FAN_DIV_FROM_REG(data->fan_status[attr->index])); | |
11be27ea JC |
305 | |
306 | /* If it wouldn't fit, change clock divisor */ | |
307 | while (fan_min > 255 | |
308 | && (data->fan_status[attr->index] & 0x60) != 0x60) { | |
309 | fan_min >>= 1; | |
310 | data->fan[attr->index] >>= 1; | |
311 | data->fan_status[attr->index] += 0x20; | |
312 | } | |
313 | data->fan_min[attr->index] = fan_min > 255 ? 255 : fan_min; | |
449a7a07 GR |
314 | pc87360_write_value(data, LD_FAN, NO_BANK, |
315 | PC87360_REG_FAN_MIN(attr->index), | |
11be27ea JC |
316 | data->fan_min[attr->index]); |
317 | ||
318 | /* Write new divider, preserve alarm bits */ | |
449a7a07 GR |
319 | pc87360_write_value(data, LD_FAN, NO_BANK, |
320 | PC87360_REG_FAN_STATUS(attr->index), | |
11be27ea | 321 | data->fan_status[attr->index] & 0xF9); |
9a61bf63 | 322 | mutex_unlock(&data->update_lock); |
11be27ea JC |
323 | |
324 | return count; | |
f0986bd8 JC |
325 | } |
326 | ||
dedc6a78 JC |
327 | static struct sensor_device_attribute fan_input[] = { |
328 | SENSOR_ATTR(fan1_input, S_IRUGO, show_fan_input, NULL, 0), | |
329 | SENSOR_ATTR(fan2_input, S_IRUGO, show_fan_input, NULL, 1), | |
330 | SENSOR_ATTR(fan3_input, S_IRUGO, show_fan_input, NULL, 2), | |
331 | }; | |
332 | static struct sensor_device_attribute fan_status[] = { | |
333 | SENSOR_ATTR(fan1_status, S_IRUGO, show_fan_status, NULL, 0), | |
334 | SENSOR_ATTR(fan2_status, S_IRUGO, show_fan_status, NULL, 1), | |
335 | SENSOR_ATTR(fan3_status, S_IRUGO, show_fan_status, NULL, 2), | |
336 | }; | |
337 | static struct sensor_device_attribute fan_div[] = { | |
338 | SENSOR_ATTR(fan1_div, S_IRUGO, show_fan_div, NULL, 0), | |
339 | SENSOR_ATTR(fan2_div, S_IRUGO, show_fan_div, NULL, 1), | |
340 | SENSOR_ATTR(fan3_div, S_IRUGO, show_fan_div, NULL, 2), | |
341 | }; | |
342 | static struct sensor_device_attribute fan_min[] = { | |
343 | SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 0), | |
344 | SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 1), | |
345 | SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 2), | |
346 | }; | |
1da177e4 | 347 | |
bce2778d GR |
348 | #define FAN_UNIT_ATTRS(X) \ |
349 | { &fan_input[X].dev_attr.attr, \ | |
941c5c05 JC |
350 | &fan_status[X].dev_attr.attr, \ |
351 | &fan_div[X].dev_attr.attr, \ | |
bce2778d GR |
352 | &fan_min[X].dev_attr.attr, \ |
353 | NULL \ | |
354 | } | |
941c5c05 | 355 | |
449a7a07 GR |
356 | static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, |
357 | char *buf) | |
f0986bd8 JC |
358 | { |
359 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
360 | struct pc87360_data *data = pc87360_update_device(dev); | |
361 | return sprintf(buf, "%u\n", | |
694fa056 | 362 | PWM_FROM_REG(data->pwm[attr->index], |
f0986bd8 | 363 | FAN_CONFIG_INVERT(data->fan_conf, |
694fa056 | 364 | attr->index))); |
f0986bd8 | 365 | } |
449a7a07 GR |
366 | static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, |
367 | const char *buf, size_t count) | |
f0986bd8 JC |
368 | { |
369 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 370 | struct pc87360_data *data = dev_get_drvdata(dev); |
449a7a07 GR |
371 | long val; |
372 | int err; | |
373 | ||
374 | err = kstrtol(buf, 10, &val); | |
375 | if (err) | |
376 | return err; | |
f0986bd8 | 377 | |
9a61bf63 | 378 | mutex_lock(&data->update_lock); |
694fa056 JC |
379 | data->pwm[attr->index] = PWM_TO_REG(val, |
380 | FAN_CONFIG_INVERT(data->fan_conf, attr->index)); | |
381 | pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_PWM(attr->index), | |
382 | data->pwm[attr->index]); | |
9a61bf63 | 383 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
384 | return count; |
385 | } | |
386 | ||
dedc6a78 JC |
387 | static struct sensor_device_attribute pwm[] = { |
388 | SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 0), | |
389 | SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 1), | |
390 | SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 2), | |
391 | }; | |
1da177e4 | 392 | |
bce2778d | 393 | static struct attribute *pc8736x_fan_attr[][5] = { |
941c5c05 JC |
394 | FAN_UNIT_ATTRS(0), |
395 | FAN_UNIT_ATTRS(1), | |
bce2778d | 396 | FAN_UNIT_ATTRS(2) |
941c5c05 | 397 | }; |
bce2778d GR |
398 | |
399 | static const struct attribute_group pc8736x_fan_attr_group[] = { | |
400 | { .attrs = pc8736x_fan_attr[0], }, | |
401 | { .attrs = pc8736x_fan_attr[1], }, | |
402 | { .attrs = pc8736x_fan_attr[2], }, | |
941c5c05 JC |
403 | }; |
404 | ||
449a7a07 GR |
405 | static ssize_t show_in_input(struct device *dev, |
406 | struct device_attribute *devattr, char *buf) | |
f0986bd8 JC |
407 | { |
408 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
409 | struct pc87360_data *data = pc87360_update_device(dev); | |
410 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index], | |
411 | data->in_vref)); | |
412 | } | |
449a7a07 GR |
413 | static ssize_t show_in_min(struct device *dev, |
414 | struct device_attribute *devattr, char *buf) | |
f0986bd8 JC |
415 | { |
416 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
417 | struct pc87360_data *data = pc87360_update_device(dev); | |
418 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index], | |
419 | data->in_vref)); | |
420 | } | |
449a7a07 GR |
421 | static ssize_t show_in_max(struct device *dev, |
422 | struct device_attribute *devattr, char *buf) | |
f0986bd8 JC |
423 | { |
424 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
425 | struct pc87360_data *data = pc87360_update_device(dev); | |
426 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index], | |
427 | data->in_vref)); | |
428 | } | |
449a7a07 GR |
429 | static ssize_t show_in_status(struct device *dev, |
430 | struct device_attribute *devattr, char *buf) | |
f0986bd8 JC |
431 | { |
432 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
433 | struct pc87360_data *data = pc87360_update_device(dev); | |
434 | return sprintf(buf, "%u\n", data->in_status[attr->index]); | |
435 | } | |
449a7a07 GR |
436 | static ssize_t set_in_min(struct device *dev, struct device_attribute *devattr, |
437 | const char *buf, size_t count) | |
f0986bd8 JC |
438 | { |
439 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 440 | struct pc87360_data *data = dev_get_drvdata(dev); |
449a7a07 GR |
441 | long val; |
442 | int err; | |
443 | ||
444 | err = kstrtol(buf, 10, &val); | |
445 | if (err) | |
446 | return err; | |
f0986bd8 | 447 | |
9a61bf63 | 448 | mutex_lock(&data->update_lock); |
f0986bd8 JC |
449 | data->in_min[attr->index] = IN_TO_REG(val, data->in_vref); |
450 | pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MIN, | |
451 | data->in_min[attr->index]); | |
9a61bf63 | 452 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
453 | return count; |
454 | } | |
449a7a07 GR |
455 | static ssize_t set_in_max(struct device *dev, struct device_attribute *devattr, |
456 | const char *buf, size_t count) | |
f0986bd8 JC |
457 | { |
458 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 459 | struct pc87360_data *data = dev_get_drvdata(dev); |
449a7a07 GR |
460 | long val; |
461 | int err; | |
462 | ||
463 | err = kstrtol(buf, 10, &val); | |
464 | if (err) | |
465 | return err; | |
f0986bd8 | 466 | |
9a61bf63 | 467 | mutex_lock(&data->update_lock); |
f0986bd8 JC |
468 | data->in_max[attr->index] = IN_TO_REG(val, |
469 | data->in_vref); | |
470 | pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MAX, | |
471 | data->in_max[attr->index]); | |
9a61bf63 | 472 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
473 | return count; |
474 | } | |
475 | ||
dedc6a78 JC |
476 | static struct sensor_device_attribute in_input[] = { |
477 | SENSOR_ATTR(in0_input, S_IRUGO, show_in_input, NULL, 0), | |
478 | SENSOR_ATTR(in1_input, S_IRUGO, show_in_input, NULL, 1), | |
479 | SENSOR_ATTR(in2_input, S_IRUGO, show_in_input, NULL, 2), | |
480 | SENSOR_ATTR(in3_input, S_IRUGO, show_in_input, NULL, 3), | |
481 | SENSOR_ATTR(in4_input, S_IRUGO, show_in_input, NULL, 4), | |
482 | SENSOR_ATTR(in5_input, S_IRUGO, show_in_input, NULL, 5), | |
483 | SENSOR_ATTR(in6_input, S_IRUGO, show_in_input, NULL, 6), | |
484 | SENSOR_ATTR(in7_input, S_IRUGO, show_in_input, NULL, 7), | |
485 | SENSOR_ATTR(in8_input, S_IRUGO, show_in_input, NULL, 8), | |
486 | SENSOR_ATTR(in9_input, S_IRUGO, show_in_input, NULL, 9), | |
487 | SENSOR_ATTR(in10_input, S_IRUGO, show_in_input, NULL, 10), | |
488 | }; | |
489 | static struct sensor_device_attribute in_status[] = { | |
490 | SENSOR_ATTR(in0_status, S_IRUGO, show_in_status, NULL, 0), | |
491 | SENSOR_ATTR(in1_status, S_IRUGO, show_in_status, NULL, 1), | |
492 | SENSOR_ATTR(in2_status, S_IRUGO, show_in_status, NULL, 2), | |
493 | SENSOR_ATTR(in3_status, S_IRUGO, show_in_status, NULL, 3), | |
494 | SENSOR_ATTR(in4_status, S_IRUGO, show_in_status, NULL, 4), | |
495 | SENSOR_ATTR(in5_status, S_IRUGO, show_in_status, NULL, 5), | |
496 | SENSOR_ATTR(in6_status, S_IRUGO, show_in_status, NULL, 6), | |
497 | SENSOR_ATTR(in7_status, S_IRUGO, show_in_status, NULL, 7), | |
498 | SENSOR_ATTR(in8_status, S_IRUGO, show_in_status, NULL, 8), | |
499 | SENSOR_ATTR(in9_status, S_IRUGO, show_in_status, NULL, 9), | |
500 | SENSOR_ATTR(in10_status, S_IRUGO, show_in_status, NULL, 10), | |
501 | }; | |
502 | static struct sensor_device_attribute in_min[] = { | |
503 | SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 0), | |
504 | SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 1), | |
505 | SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 2), | |
506 | SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 3), | |
507 | SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 4), | |
508 | SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 5), | |
509 | SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 6), | |
510 | SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 7), | |
511 | SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 8), | |
512 | SENSOR_ATTR(in9_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 9), | |
513 | SENSOR_ATTR(in10_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 10), | |
514 | }; | |
515 | static struct sensor_device_attribute in_max[] = { | |
516 | SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 0), | |
517 | SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 1), | |
518 | SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 2), | |
519 | SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 3), | |
520 | SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 4), | |
521 | SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 5), | |
522 | SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 6), | |
523 | SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 7), | |
524 | SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 8), | |
525 | SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 9), | |
526 | SENSOR_ATTR(in10_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 10), | |
527 | }; | |
1da177e4 | 528 | |
28f74e71 JC |
529 | /* (temp & vin) channel status register alarm bits (pdf sec.11.5.12) */ |
530 | #define CHAN_ALM_MIN 0x02 /* min limit crossed */ | |
531 | #define CHAN_ALM_MAX 0x04 /* max limit exceeded */ | |
532 | #define TEMP_ALM_CRIT 0x08 /* temp crit exceeded (temp only) */ | |
533 | ||
3af2861e GR |
534 | /* |
535 | * show_in_min/max_alarm() reads data from the per-channel status | |
536 | * register (sec 11.5.12), not the vin event status registers (sec | |
537 | * 11.5.2) that (legacy) show_in_alarm() resds (via data->in_alarms) | |
538 | */ | |
492e9657 JC |
539 | |
540 | static ssize_t show_in_min_alarm(struct device *dev, | |
541 | struct device_attribute *devattr, char *buf) | |
542 | { | |
543 | struct pc87360_data *data = pc87360_update_device(dev); | |
544 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
545 | ||
546 | return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MIN)); | |
547 | } | |
548 | static ssize_t show_in_max_alarm(struct device *dev, | |
549 | struct device_attribute *devattr, char *buf) | |
550 | { | |
551 | struct pc87360_data *data = pc87360_update_device(dev); | |
552 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
553 | ||
554 | return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MAX)); | |
555 | } | |
556 | ||
557 | static struct sensor_device_attribute in_min_alarm[] = { | |
558 | SENSOR_ATTR(in0_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 0), | |
559 | SENSOR_ATTR(in1_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 1), | |
560 | SENSOR_ATTR(in2_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 2), | |
561 | SENSOR_ATTR(in3_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 3), | |
562 | SENSOR_ATTR(in4_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 4), | |
563 | SENSOR_ATTR(in5_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 5), | |
564 | SENSOR_ATTR(in6_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 6), | |
565 | SENSOR_ATTR(in7_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 7), | |
566 | SENSOR_ATTR(in8_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 8), | |
567 | SENSOR_ATTR(in9_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 9), | |
568 | SENSOR_ATTR(in10_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 10), | |
569 | }; | |
570 | static struct sensor_device_attribute in_max_alarm[] = { | |
571 | SENSOR_ATTR(in0_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 0), | |
572 | SENSOR_ATTR(in1_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 1), | |
573 | SENSOR_ATTR(in2_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 2), | |
574 | SENSOR_ATTR(in3_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 3), | |
575 | SENSOR_ATTR(in4_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 4), | |
576 | SENSOR_ATTR(in5_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 5), | |
577 | SENSOR_ATTR(in6_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 6), | |
578 | SENSOR_ATTR(in7_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 7), | |
579 | SENSOR_ATTR(in8_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 8), | |
580 | SENSOR_ATTR(in9_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 9), | |
581 | SENSOR_ATTR(in10_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 10), | |
582 | }; | |
583 | ||
941c5c05 JC |
584 | #define VIN_UNIT_ATTRS(X) \ |
585 | &in_input[X].dev_attr.attr, \ | |
586 | &in_status[X].dev_attr.attr, \ | |
587 | &in_min[X].dev_attr.attr, \ | |
492e9657 JC |
588 | &in_max[X].dev_attr.attr, \ |
589 | &in_min_alarm[X].dev_attr.attr, \ | |
590 | &in_max_alarm[X].dev_attr.attr | |
941c5c05 | 591 | |
449a7a07 GR |
592 | static ssize_t show_vid(struct device *dev, struct device_attribute *attr, |
593 | char *buf) | |
44646c19 JC |
594 | { |
595 | struct pc87360_data *data = pc87360_update_device(dev); | |
596 | return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm)); | |
597 | } | |
598 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); | |
599 | ||
449a7a07 GR |
600 | static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, |
601 | char *buf) | |
44646c19 | 602 | { |
90d6619a | 603 | struct pc87360_data *data = dev_get_drvdata(dev); |
44646c19 JC |
604 | return sprintf(buf, "%u\n", data->vrm); |
605 | } | |
449a7a07 GR |
606 | static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, |
607 | const char *buf, size_t count) | |
44646c19 | 608 | { |
f641b588 | 609 | struct pc87360_data *data = dev_get_drvdata(dev); |
449a7a07 GR |
610 | unsigned long val; |
611 | int err; | |
612 | ||
613 | err = kstrtoul(buf, 10, &val); | |
614 | if (err) | |
615 | return err; | |
616 | ||
5e3b5610 AL |
617 | if (val > 255) |
618 | return -EINVAL; | |
619 | ||
449a7a07 | 620 | data->vrm = val; |
44646c19 JC |
621 | return count; |
622 | } | |
623 | static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm); | |
624 | ||
449a7a07 GR |
625 | static ssize_t show_in_alarms(struct device *dev, |
626 | struct device_attribute *attr, char *buf) | |
44646c19 JC |
627 | { |
628 | struct pc87360_data *data = pc87360_update_device(dev); | |
629 | return sprintf(buf, "%u\n", data->in_alarms); | |
630 | } | |
631 | static DEVICE_ATTR(alarms_in, S_IRUGO, show_in_alarms, NULL); | |
632 | ||
941c5c05 JC |
633 | static struct attribute *pc8736x_vin_attr_array[] = { |
634 | VIN_UNIT_ATTRS(0), | |
635 | VIN_UNIT_ATTRS(1), | |
636 | VIN_UNIT_ATTRS(2), | |
637 | VIN_UNIT_ATTRS(3), | |
638 | VIN_UNIT_ATTRS(4), | |
639 | VIN_UNIT_ATTRS(5), | |
640 | VIN_UNIT_ATTRS(6), | |
641 | VIN_UNIT_ATTRS(7), | |
642 | VIN_UNIT_ATTRS(8), | |
643 | VIN_UNIT_ATTRS(9), | |
644 | VIN_UNIT_ATTRS(10), | |
645 | &dev_attr_cpu0_vid.attr, | |
646 | &dev_attr_vrm.attr, | |
647 | &dev_attr_alarms_in.attr, | |
648 | NULL | |
649 | }; | |
650 | static const struct attribute_group pc8736x_vin_group = { | |
651 | .attrs = pc8736x_vin_attr_array, | |
652 | }; | |
653 | ||
449a7a07 GR |
654 | static ssize_t show_therm_input(struct device *dev, |
655 | struct device_attribute *devattr, char *buf) | |
f0986bd8 JC |
656 | { |
657 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
658 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 659 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index], |
f0986bd8 JC |
660 | data->in_vref)); |
661 | } | |
449a7a07 GR |
662 | static ssize_t show_therm_min(struct device *dev, |
663 | struct device_attribute *devattr, char *buf) | |
f0986bd8 JC |
664 | { |
665 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
666 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 667 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index], |
f0986bd8 JC |
668 | data->in_vref)); |
669 | } | |
449a7a07 GR |
670 | static ssize_t show_therm_max(struct device *dev, |
671 | struct device_attribute *devattr, char *buf) | |
f0986bd8 JC |
672 | { |
673 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
674 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 675 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index], |
f0986bd8 JC |
676 | data->in_vref)); |
677 | } | |
449a7a07 GR |
678 | static ssize_t show_therm_crit(struct device *dev, |
679 | struct device_attribute *devattr, char *buf) | |
f0986bd8 JC |
680 | { |
681 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
682 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 683 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_crit[attr->index-11], |
f0986bd8 JC |
684 | data->in_vref)); |
685 | } | |
449a7a07 GR |
686 | static ssize_t show_therm_status(struct device *dev, |
687 | struct device_attribute *devattr, char *buf) | |
f0986bd8 JC |
688 | { |
689 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
690 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 691 | return sprintf(buf, "%u\n", data->in_status[attr->index]); |
f0986bd8 | 692 | } |
449a7a07 GR |
693 | |
694 | static ssize_t set_therm_min(struct device *dev, | |
695 | struct device_attribute *devattr, | |
696 | const char *buf, size_t count) | |
f0986bd8 JC |
697 | { |
698 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 699 | struct pc87360_data *data = dev_get_drvdata(dev); |
449a7a07 GR |
700 | long val; |
701 | int err; | |
702 | ||
703 | err = kstrtol(buf, 10, &val); | |
704 | if (err) | |
705 | return err; | |
f0986bd8 | 706 | |
9a61bf63 | 707 | mutex_lock(&data->update_lock); |
694fa056 JC |
708 | data->in_min[attr->index] = IN_TO_REG(val, data->in_vref); |
709 | pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MIN, | |
710 | data->in_min[attr->index]); | |
9a61bf63 | 711 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
712 | return count; |
713 | } | |
449a7a07 GR |
714 | |
715 | static ssize_t set_therm_max(struct device *dev, | |
716 | struct device_attribute *devattr, | |
717 | const char *buf, size_t count) | |
f0986bd8 JC |
718 | { |
719 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 720 | struct pc87360_data *data = dev_get_drvdata(dev); |
449a7a07 GR |
721 | long val; |
722 | int err; | |
723 | ||
724 | err = kstrtol(buf, 10, &val); | |
725 | if (err) | |
726 | return err; | |
f0986bd8 | 727 | |
9a61bf63 | 728 | mutex_lock(&data->update_lock); |
694fa056 JC |
729 | data->in_max[attr->index] = IN_TO_REG(val, data->in_vref); |
730 | pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MAX, | |
731 | data->in_max[attr->index]); | |
9a61bf63 | 732 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
733 | return count; |
734 | } | |
449a7a07 GR |
735 | static ssize_t set_therm_crit(struct device *dev, |
736 | struct device_attribute *devattr, | |
737 | const char *buf, size_t count) | |
f0986bd8 JC |
738 | { |
739 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 740 | struct pc87360_data *data = dev_get_drvdata(dev); |
449a7a07 GR |
741 | long val; |
742 | int err; | |
743 | ||
744 | err = kstrtol(buf, 10, &val); | |
745 | if (err) | |
746 | return err; | |
f0986bd8 | 747 | |
9a61bf63 | 748 | mutex_lock(&data->update_lock); |
694fa056 JC |
749 | data->in_crit[attr->index-11] = IN_TO_REG(val, data->in_vref); |
750 | pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_CRIT, | |
751 | data->in_crit[attr->index-11]); | |
9a61bf63 | 752 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
753 | return count; |
754 | } | |
755 | ||
3af2861e GR |
756 | /* |
757 | * the +11 term below reflects the fact that VLM units 11,12,13 are | |
758 | * used in the chip to measure voltage across the thermistors | |
759 | */ | |
dedc6a78 | 760 | static struct sensor_device_attribute therm_input[] = { |
449a7a07 GR |
761 | SENSOR_ATTR(temp4_input, S_IRUGO, show_therm_input, NULL, 0 + 11), |
762 | SENSOR_ATTR(temp5_input, S_IRUGO, show_therm_input, NULL, 1 + 11), | |
763 | SENSOR_ATTR(temp6_input, S_IRUGO, show_therm_input, NULL, 2 + 11), | |
dedc6a78 JC |
764 | }; |
765 | static struct sensor_device_attribute therm_status[] = { | |
449a7a07 GR |
766 | SENSOR_ATTR(temp4_status, S_IRUGO, show_therm_status, NULL, 0 + 11), |
767 | SENSOR_ATTR(temp5_status, S_IRUGO, show_therm_status, NULL, 1 + 11), | |
768 | SENSOR_ATTR(temp6_status, S_IRUGO, show_therm_status, NULL, 2 + 11), | |
dedc6a78 JC |
769 | }; |
770 | static struct sensor_device_attribute therm_min[] = { | |
771 | SENSOR_ATTR(temp4_min, S_IRUGO | S_IWUSR, | |
449a7a07 | 772 | show_therm_min, set_therm_min, 0 + 11), |
dedc6a78 | 773 | SENSOR_ATTR(temp5_min, S_IRUGO | S_IWUSR, |
449a7a07 | 774 | show_therm_min, set_therm_min, 1 + 11), |
dedc6a78 | 775 | SENSOR_ATTR(temp6_min, S_IRUGO | S_IWUSR, |
449a7a07 | 776 | show_therm_min, set_therm_min, 2 + 11), |
dedc6a78 JC |
777 | }; |
778 | static struct sensor_device_attribute therm_max[] = { | |
779 | SENSOR_ATTR(temp4_max, S_IRUGO | S_IWUSR, | |
449a7a07 | 780 | show_therm_max, set_therm_max, 0 + 11), |
dedc6a78 | 781 | SENSOR_ATTR(temp5_max, S_IRUGO | S_IWUSR, |
449a7a07 | 782 | show_therm_max, set_therm_max, 1 + 11), |
dedc6a78 | 783 | SENSOR_ATTR(temp6_max, S_IRUGO | S_IWUSR, |
449a7a07 | 784 | show_therm_max, set_therm_max, 2 + 11), |
dedc6a78 JC |
785 | }; |
786 | static struct sensor_device_attribute therm_crit[] = { | |
787 | SENSOR_ATTR(temp4_crit, S_IRUGO | S_IWUSR, | |
449a7a07 | 788 | show_therm_crit, set_therm_crit, 0 + 11), |
dedc6a78 | 789 | SENSOR_ATTR(temp5_crit, S_IRUGO | S_IWUSR, |
449a7a07 | 790 | show_therm_crit, set_therm_crit, 1 + 11), |
dedc6a78 | 791 | SENSOR_ATTR(temp6_crit, S_IRUGO | S_IWUSR, |
449a7a07 | 792 | show_therm_crit, set_therm_crit, 2 + 11), |
dedc6a78 | 793 | }; |
1da177e4 | 794 | |
3af2861e GR |
795 | /* |
796 | * show_therm_min/max_alarm() reads data from the per-channel voltage | |
797 | * status register (sec 11.5.12) | |
798 | */ | |
865c2953 JC |
799 | |
800 | static ssize_t show_therm_min_alarm(struct device *dev, | |
801 | struct device_attribute *devattr, char *buf) | |
802 | { | |
803 | struct pc87360_data *data = pc87360_update_device(dev); | |
804 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
805 | ||
806 | return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MIN)); | |
807 | } | |
808 | static ssize_t show_therm_max_alarm(struct device *dev, | |
809 | struct device_attribute *devattr, char *buf) | |
810 | { | |
811 | struct pc87360_data *data = pc87360_update_device(dev); | |
812 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
813 | ||
814 | return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MAX)); | |
815 | } | |
816 | static ssize_t show_therm_crit_alarm(struct device *dev, | |
817 | struct device_attribute *devattr, char *buf) | |
818 | { | |
819 | struct pc87360_data *data = pc87360_update_device(dev); | |
820 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
821 | ||
822 | return sprintf(buf, "%u\n", !!(data->in_status[nr] & TEMP_ALM_CRIT)); | |
823 | } | |
824 | ||
825 | static struct sensor_device_attribute therm_min_alarm[] = { | |
826 | SENSOR_ATTR(temp4_min_alarm, S_IRUGO, | |
449a7a07 | 827 | show_therm_min_alarm, NULL, 0 + 11), |
865c2953 | 828 | SENSOR_ATTR(temp5_min_alarm, S_IRUGO, |
449a7a07 | 829 | show_therm_min_alarm, NULL, 1 + 11), |
865c2953 | 830 | SENSOR_ATTR(temp6_min_alarm, S_IRUGO, |
449a7a07 | 831 | show_therm_min_alarm, NULL, 2 + 11), |
865c2953 JC |
832 | }; |
833 | static struct sensor_device_attribute therm_max_alarm[] = { | |
834 | SENSOR_ATTR(temp4_max_alarm, S_IRUGO, | |
449a7a07 | 835 | show_therm_max_alarm, NULL, 0 + 11), |
865c2953 | 836 | SENSOR_ATTR(temp5_max_alarm, S_IRUGO, |
449a7a07 | 837 | show_therm_max_alarm, NULL, 1 + 11), |
865c2953 | 838 | SENSOR_ATTR(temp6_max_alarm, S_IRUGO, |
449a7a07 | 839 | show_therm_max_alarm, NULL, 2 + 11), |
865c2953 JC |
840 | }; |
841 | static struct sensor_device_attribute therm_crit_alarm[] = { | |
842 | SENSOR_ATTR(temp4_crit_alarm, S_IRUGO, | |
449a7a07 | 843 | show_therm_crit_alarm, NULL, 0 + 11), |
865c2953 | 844 | SENSOR_ATTR(temp5_crit_alarm, S_IRUGO, |
449a7a07 | 845 | show_therm_crit_alarm, NULL, 1 + 11), |
865c2953 | 846 | SENSOR_ATTR(temp6_crit_alarm, S_IRUGO, |
449a7a07 | 847 | show_therm_crit_alarm, NULL, 2 + 11), |
865c2953 JC |
848 | }; |
849 | ||
941c5c05 JC |
850 | #define THERM_UNIT_ATTRS(X) \ |
851 | &therm_input[X].dev_attr.attr, \ | |
852 | &therm_status[X].dev_attr.attr, \ | |
853 | &therm_min[X].dev_attr.attr, \ | |
854 | &therm_max[X].dev_attr.attr, \ | |
865c2953 JC |
855 | &therm_crit[X].dev_attr.attr, \ |
856 | &therm_min_alarm[X].dev_attr.attr, \ | |
857 | &therm_max_alarm[X].dev_attr.attr, \ | |
858 | &therm_crit_alarm[X].dev_attr.attr | |
941c5c05 | 859 | |
449a7a07 | 860 | static struct attribute *pc8736x_therm_attr_array[] = { |
941c5c05 JC |
861 | THERM_UNIT_ATTRS(0), |
862 | THERM_UNIT_ATTRS(1), | |
863 | THERM_UNIT_ATTRS(2), | |
864 | NULL | |
865 | }; | |
866 | static const struct attribute_group pc8736x_therm_group = { | |
867 | .attrs = pc8736x_therm_attr_array, | |
868 | }; | |
869 | ||
449a7a07 GR |
870 | static ssize_t show_temp_input(struct device *dev, |
871 | struct device_attribute *devattr, char *buf) | |
f0986bd8 JC |
872 | { |
873 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
874 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 875 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index])); |
f0986bd8 | 876 | } |
449a7a07 GR |
877 | |
878 | static ssize_t show_temp_min(struct device *dev, | |
879 | struct device_attribute *devattr, char *buf) | |
f0986bd8 JC |
880 | { |
881 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
882 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 883 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[attr->index])); |
f0986bd8 | 884 | } |
449a7a07 GR |
885 | |
886 | static ssize_t show_temp_max(struct device *dev, | |
887 | struct device_attribute *devattr, char *buf) | |
f0986bd8 JC |
888 | { |
889 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
890 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 891 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[attr->index])); |
f0986bd8 | 892 | } |
449a7a07 GR |
893 | |
894 | static ssize_t show_temp_crit(struct device *dev, | |
895 | struct device_attribute *devattr, char *buf) | |
f0986bd8 JC |
896 | { |
897 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
898 | struct pc87360_data *data = pc87360_update_device(dev); | |
449a7a07 GR |
899 | return sprintf(buf, "%d\n", |
900 | TEMP_FROM_REG(data->temp_crit[attr->index])); | |
f0986bd8 | 901 | } |
449a7a07 GR |
902 | |
903 | static ssize_t show_temp_status(struct device *dev, | |
904 | struct device_attribute *devattr, char *buf) | |
f0986bd8 JC |
905 | { |
906 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
907 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 908 | return sprintf(buf, "%d\n", data->temp_status[attr->index]); |
f0986bd8 | 909 | } |
449a7a07 GR |
910 | |
911 | static ssize_t set_temp_min(struct device *dev, | |
912 | struct device_attribute *devattr, | |
913 | const char *buf, size_t count) | |
f0986bd8 JC |
914 | { |
915 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 916 | struct pc87360_data *data = dev_get_drvdata(dev); |
449a7a07 GR |
917 | long val; |
918 | int err; | |
919 | ||
920 | err = kstrtol(buf, 10, &val); | |
921 | if (err) | |
922 | return err; | |
f0986bd8 | 923 | |
9a61bf63 | 924 | mutex_lock(&data->update_lock); |
694fa056 JC |
925 | data->temp_min[attr->index] = TEMP_TO_REG(val); |
926 | pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MIN, | |
927 | data->temp_min[attr->index]); | |
9a61bf63 | 928 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
929 | return count; |
930 | } | |
449a7a07 GR |
931 | |
932 | static ssize_t set_temp_max(struct device *dev, | |
933 | struct device_attribute *devattr, | |
934 | const char *buf, size_t count) | |
f0986bd8 JC |
935 | { |
936 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 937 | struct pc87360_data *data = dev_get_drvdata(dev); |
449a7a07 GR |
938 | long val; |
939 | int err; | |
940 | ||
941 | err = kstrtol(buf, 10, &val); | |
942 | if (err) | |
943 | return err; | |
f0986bd8 | 944 | |
9a61bf63 | 945 | mutex_lock(&data->update_lock); |
694fa056 JC |
946 | data->temp_max[attr->index] = TEMP_TO_REG(val); |
947 | pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MAX, | |
948 | data->temp_max[attr->index]); | |
9a61bf63 | 949 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
950 | return count; |
951 | } | |
449a7a07 GR |
952 | |
953 | static ssize_t set_temp_crit(struct device *dev, | |
954 | struct device_attribute *devattr, const char *buf, | |
955 | size_t count) | |
f0986bd8 JC |
956 | { |
957 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 958 | struct pc87360_data *data = dev_get_drvdata(dev); |
449a7a07 GR |
959 | long val; |
960 | int err; | |
961 | ||
962 | err = kstrtol(buf, 10, &val); | |
963 | if (err) | |
964 | return err; | |
f0986bd8 | 965 | |
9a61bf63 | 966 | mutex_lock(&data->update_lock); |
694fa056 JC |
967 | data->temp_crit[attr->index] = TEMP_TO_REG(val); |
968 | pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_CRIT, | |
969 | data->temp_crit[attr->index]); | |
9a61bf63 | 970 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
971 | return count; |
972 | } | |
973 | ||
dedc6a78 JC |
974 | static struct sensor_device_attribute temp_input[] = { |
975 | SENSOR_ATTR(temp1_input, S_IRUGO, show_temp_input, NULL, 0), | |
976 | SENSOR_ATTR(temp2_input, S_IRUGO, show_temp_input, NULL, 1), | |
977 | SENSOR_ATTR(temp3_input, S_IRUGO, show_temp_input, NULL, 2), | |
978 | }; | |
979 | static struct sensor_device_attribute temp_status[] = { | |
980 | SENSOR_ATTR(temp1_status, S_IRUGO, show_temp_status, NULL, 0), | |
981 | SENSOR_ATTR(temp2_status, S_IRUGO, show_temp_status, NULL, 1), | |
982 | SENSOR_ATTR(temp3_status, S_IRUGO, show_temp_status, NULL, 2), | |
983 | }; | |
984 | static struct sensor_device_attribute temp_min[] = { | |
985 | SENSOR_ATTR(temp1_min, S_IRUGO | S_IWUSR, | |
986 | show_temp_min, set_temp_min, 0), | |
987 | SENSOR_ATTR(temp2_min, S_IRUGO | S_IWUSR, | |
988 | show_temp_min, set_temp_min, 1), | |
989 | SENSOR_ATTR(temp3_min, S_IRUGO | S_IWUSR, | |
990 | show_temp_min, set_temp_min, 2), | |
991 | }; | |
992 | static struct sensor_device_attribute temp_max[] = { | |
993 | SENSOR_ATTR(temp1_max, S_IRUGO | S_IWUSR, | |
994 | show_temp_max, set_temp_max, 0), | |
995 | SENSOR_ATTR(temp2_max, S_IRUGO | S_IWUSR, | |
996 | show_temp_max, set_temp_max, 1), | |
997 | SENSOR_ATTR(temp3_max, S_IRUGO | S_IWUSR, | |
998 | show_temp_max, set_temp_max, 2), | |
999 | }; | |
1000 | static struct sensor_device_attribute temp_crit[] = { | |
1001 | SENSOR_ATTR(temp1_crit, S_IRUGO | S_IWUSR, | |
1002 | show_temp_crit, set_temp_crit, 0), | |
1003 | SENSOR_ATTR(temp2_crit, S_IRUGO | S_IWUSR, | |
1004 | show_temp_crit, set_temp_crit, 1), | |
1005 | SENSOR_ATTR(temp3_crit, S_IRUGO | S_IWUSR, | |
1006 | show_temp_crit, set_temp_crit, 2), | |
1007 | }; | |
1da177e4 | 1008 | |
449a7a07 GR |
1009 | static ssize_t show_temp_alarms(struct device *dev, |
1010 | struct device_attribute *attr, char *buf) | |
1da177e4 LT |
1011 | { |
1012 | struct pc87360_data *data = pc87360_update_device(dev); | |
1013 | return sprintf(buf, "%u\n", data->temp_alarms); | |
1014 | } | |
449a7a07 | 1015 | |
1da177e4 LT |
1016 | static DEVICE_ATTR(alarms_temp, S_IRUGO, show_temp_alarms, NULL); |
1017 | ||
3af2861e GR |
1018 | /* |
1019 | * show_temp_min/max_alarm() reads data from the per-channel status | |
1020 | * register (sec 12.3.7), not the temp event status registers (sec | |
1021 | * 12.3.2) that show_temp_alarm() reads (via data->temp_alarms) | |
1022 | */ | |
b267e8cd JC |
1023 | |
1024 | static ssize_t show_temp_min_alarm(struct device *dev, | |
1025 | struct device_attribute *devattr, char *buf) | |
1026 | { | |
1027 | struct pc87360_data *data = pc87360_update_device(dev); | |
1028 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
1029 | ||
1030 | return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MIN)); | |
1031 | } | |
449a7a07 | 1032 | |
b267e8cd JC |
1033 | static ssize_t show_temp_max_alarm(struct device *dev, |
1034 | struct device_attribute *devattr, char *buf) | |
1035 | { | |
1036 | struct pc87360_data *data = pc87360_update_device(dev); | |
1037 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
1038 | ||
1039 | return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MAX)); | |
1040 | } | |
449a7a07 | 1041 | |
b267e8cd JC |
1042 | static ssize_t show_temp_crit_alarm(struct device *dev, |
1043 | struct device_attribute *devattr, char *buf) | |
1044 | { | |
1045 | struct pc87360_data *data = pc87360_update_device(dev); | |
1046 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
1047 | ||
1048 | return sprintf(buf, "%u\n", !!(data->temp_status[nr] & TEMP_ALM_CRIT)); | |
1049 | } | |
1050 | ||
1051 | static struct sensor_device_attribute temp_min_alarm[] = { | |
1052 | SENSOR_ATTR(temp1_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 0), | |
1053 | SENSOR_ATTR(temp2_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 1), | |
1054 | SENSOR_ATTR(temp3_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 2), | |
1055 | }; | |
449a7a07 | 1056 | |
b267e8cd JC |
1057 | static struct sensor_device_attribute temp_max_alarm[] = { |
1058 | SENSOR_ATTR(temp1_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 0), | |
1059 | SENSOR_ATTR(temp2_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 1), | |
1060 | SENSOR_ATTR(temp3_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 2), | |
1061 | }; | |
449a7a07 | 1062 | |
b267e8cd JC |
1063 | static struct sensor_device_attribute temp_crit_alarm[] = { |
1064 | SENSOR_ATTR(temp1_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 0), | |
1065 | SENSOR_ATTR(temp2_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 1), | |
1066 | SENSOR_ATTR(temp3_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 2), | |
1067 | }; | |
1068 | ||
1069 | #define TEMP_FAULT 0x40 /* open diode */ | |
1070 | static ssize_t show_temp_fault(struct device *dev, | |
1071 | struct device_attribute *devattr, char *buf) | |
1072 | { | |
1073 | struct pc87360_data *data = pc87360_update_device(dev); | |
1074 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
1075 | ||
1076 | return sprintf(buf, "%u\n", !!(data->temp_status[nr] & TEMP_FAULT)); | |
1077 | } | |
1078 | static struct sensor_device_attribute temp_fault[] = { | |
1079 | SENSOR_ATTR(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0), | |
1080 | SENSOR_ATTR(temp2_fault, S_IRUGO, show_temp_fault, NULL, 1), | |
1081 | SENSOR_ATTR(temp3_fault, S_IRUGO, show_temp_fault, NULL, 2), | |
1082 | }; | |
1083 | ||
bce2778d GR |
1084 | #define TEMP_UNIT_ATTRS(X) \ |
1085 | { &temp_input[X].dev_attr.attr, \ | |
1086 | &temp_status[X].dev_attr.attr, \ | |
1087 | &temp_min[X].dev_attr.attr, \ | |
1088 | &temp_max[X].dev_attr.attr, \ | |
1089 | &temp_crit[X].dev_attr.attr, \ | |
1090 | &temp_min_alarm[X].dev_attr.attr, \ | |
1091 | &temp_max_alarm[X].dev_attr.attr, \ | |
1092 | &temp_crit_alarm[X].dev_attr.attr, \ | |
1093 | &temp_fault[X].dev_attr.attr, \ | |
1094 | NULL \ | |
1095 | } | |
1096 | ||
1097 | static struct attribute *pc8736x_temp_attr[][10] = { | |
941c5c05 JC |
1098 | TEMP_UNIT_ATTRS(0), |
1099 | TEMP_UNIT_ATTRS(1), | |
bce2778d | 1100 | TEMP_UNIT_ATTRS(2) |
941c5c05 | 1101 | }; |
449a7a07 | 1102 | |
bce2778d GR |
1103 | static const struct attribute_group pc8736x_temp_attr_group[] = { |
1104 | { .attrs = pc8736x_temp_attr[0] }, | |
1105 | { .attrs = pc8736x_temp_attr[1] }, | |
1106 | { .attrs = pc8736x_temp_attr[2] } | |
941c5c05 JC |
1107 | }; |
1108 | ||
b267e8cd JC |
1109 | static ssize_t show_name(struct device *dev, |
1110 | struct device_attribute *devattr, char *buf) | |
f641b588 JD |
1111 | { |
1112 | struct pc87360_data *data = dev_get_drvdata(dev); | |
1113 | return sprintf(buf, "%s\n", data->name); | |
1114 | } | |
449a7a07 | 1115 | |
f641b588 JD |
1116 | static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); |
1117 | ||
1da177e4 LT |
1118 | /* |
1119 | * Device detection, registration and update | |
1120 | */ | |
1121 | ||
449a7a07 GR |
1122 | static int __init pc87360_find(int sioaddr, u8 *devid, |
1123 | unsigned short *addresses) | |
1da177e4 LT |
1124 | { |
1125 | u16 val; | |
1126 | int i; | |
1127 | int nrdev; /* logical device count */ | |
1128 | ||
1129 | /* No superio_enter */ | |
1130 | ||
1131 | /* Identify device */ | |
67b671bc | 1132 | val = force_id ? force_id : superio_inb(sioaddr, DEVID); |
1da177e4 LT |
1133 | switch (val) { |
1134 | case 0xE1: /* PC87360 */ | |
1135 | case 0xE8: /* PC87363 */ | |
1136 | case 0xE4: /* PC87364 */ | |
1137 | nrdev = 1; | |
1138 | break; | |
1139 | case 0xE5: /* PC87365 */ | |
1140 | case 0xE9: /* PC87366 */ | |
1141 | nrdev = 3; | |
1142 | break; | |
1143 | default: | |
1144 | superio_exit(sioaddr); | |
1145 | return -ENODEV; | |
1146 | } | |
1147 | /* Remember the device id */ | |
1148 | *devid = val; | |
1149 | ||
1150 | for (i = 0; i < nrdev; i++) { | |
1151 | /* select logical device */ | |
1152 | superio_outb(sioaddr, DEV, logdev[i]); | |
1153 | ||
1154 | val = superio_inb(sioaddr, ACT); | |
1155 | if (!(val & 0x01)) { | |
9e991c6f | 1156 | pr_info("Device 0x%02x not activated\n", logdev[i]); |
1da177e4 LT |
1157 | continue; |
1158 | } | |
1159 | ||
1160 | val = (superio_inb(sioaddr, BASE) << 8) | |
1161 | | superio_inb(sioaddr, BASE + 1); | |
1162 | if (!val) { | |
9e991c6f JP |
1163 | pr_info("Base address not set for device 0x%02x\n", |
1164 | logdev[i]); | |
1da177e4 LT |
1165 | continue; |
1166 | } | |
1167 | ||
2d8672c5 | 1168 | addresses[i] = val; |
1da177e4 | 1169 | |
449a7a07 | 1170 | if (i == 0) { /* Fans */ |
1da177e4 LT |
1171 | confreg[0] = superio_inb(sioaddr, 0xF0); |
1172 | confreg[1] = superio_inb(sioaddr, 0xF1); | |
1173 | ||
9e991c6f JP |
1174 | pr_debug("Fan %d: mon=%d ctrl=%d inv=%d\n", 1, |
1175 | (confreg[0] >> 2) & 1, (confreg[0] >> 3) & 1, | |
1176 | (confreg[0] >> 4) & 1); | |
1177 | pr_debug("Fan %d: mon=%d ctrl=%d inv=%d\n", 2, | |
1178 | (confreg[0] >> 5) & 1, (confreg[0] >> 6) & 1, | |
1179 | (confreg[0] >> 7) & 1); | |
1180 | pr_debug("Fan %d: mon=%d ctrl=%d inv=%d\n", 3, | |
1181 | confreg[1] & 1, (confreg[1] >> 1) & 1, | |
1182 | (confreg[1] >> 2) & 1); | |
449a7a07 | 1183 | } else if (i == 1) { /* Voltages */ |
1da177e4 LT |
1184 | /* Are we using thermistors? */ |
1185 | if (*devid == 0xE9) { /* PC87366 */ | |
3af2861e GR |
1186 | /* |
1187 | * These registers are not logical-device | |
1188 | * specific, just that we won't need them if | |
1189 | * we don't use the VLM device | |
1190 | */ | |
1da177e4 LT |
1191 | confreg[2] = superio_inb(sioaddr, 0x2B); |
1192 | confreg[3] = superio_inb(sioaddr, 0x25); | |
1193 | ||
1194 | if (confreg[2] & 0x40) { | |
b55f3757 | 1195 | pr_info("Using thermistors for temperature monitoring\n"); |
1da177e4 LT |
1196 | } |
1197 | if (confreg[3] & 0xE0) { | |
9e991c6f JP |
1198 | pr_info("VID inputs routed (mode %u)\n", |
1199 | confreg[3] >> 5); | |
1da177e4 LT |
1200 | } |
1201 | } | |
1202 | } | |
1203 | } | |
1204 | ||
1205 | superio_exit(sioaddr); | |
1206 | return 0; | |
1207 | } | |
1208 | ||
bce2778d GR |
1209 | static void pc87360_remove_files(struct device *dev) |
1210 | { | |
1211 | int i; | |
1212 | ||
1213 | device_remove_file(dev, &dev_attr_name); | |
1214 | device_remove_file(dev, &dev_attr_alarms_temp); | |
1215 | for (i = 0; i < ARRAY_SIZE(pc8736x_temp_attr_group); i++) | |
1216 | sysfs_remove_group(&dev->kobj, &pc8736x_temp_attr_group[i]); | |
1217 | for (i = 0; i < ARRAY_SIZE(pc8736x_fan_attr_group); i++) { | |
1218 | sysfs_remove_group(&pdev->dev.kobj, &pc8736x_fan_attr_group[i]); | |
1219 | device_remove_file(dev, &pwm[i].dev_attr); | |
1220 | } | |
1221 | sysfs_remove_group(&dev->kobj, &pc8736x_therm_group); | |
1222 | sysfs_remove_group(&dev->kobj, &pc8736x_vin_group); | |
1223 | } | |
1224 | ||
6c931ae1 | 1225 | static int pc87360_probe(struct platform_device *pdev) |
1da177e4 LT |
1226 | { |
1227 | int i; | |
1da177e4 LT |
1228 | struct pc87360_data *data; |
1229 | int err = 0; | |
5b581575 | 1230 | const char *name; |
1da177e4 | 1231 | int use_thermistors = 0; |
f641b588 | 1232 | struct device *dev = &pdev->dev; |
1da177e4 | 1233 | |
61d4d17e | 1234 | data = devm_kzalloc(dev, sizeof(struct pc87360_data), GFP_KERNEL); |
449a7a07 | 1235 | if (!data) |
1da177e4 | 1236 | return -ENOMEM; |
1da177e4 | 1237 | |
1da177e4 | 1238 | switch (devid) { |
5b581575 JD |
1239 | default: |
1240 | name = "pc87360"; | |
1241 | data->fannr = 2; | |
1242 | break; | |
1da177e4 LT |
1243 | case 0xe8: |
1244 | name = "pc87363"; | |
5b581575 | 1245 | data->fannr = 2; |
1da177e4 LT |
1246 | break; |
1247 | case 0xe4: | |
1248 | name = "pc87364"; | |
1249 | data->fannr = 3; | |
1250 | break; | |
1251 | case 0xe5: | |
1252 | name = "pc87365"; | |
1253 | data->fannr = extra_isa[0] ? 3 : 0; | |
1254 | data->innr = extra_isa[1] ? 11 : 0; | |
1255 | data->tempnr = extra_isa[2] ? 2 : 0; | |
1256 | break; | |
1257 | case 0xe9: | |
1258 | name = "pc87366"; | |
1259 | data->fannr = extra_isa[0] ? 3 : 0; | |
1260 | data->innr = extra_isa[1] ? 14 : 0; | |
1261 | data->tempnr = extra_isa[2] ? 3 : 0; | |
1262 | break; | |
1263 | } | |
1264 | ||
f641b588 | 1265 | data->name = name; |
f641b588 | 1266 | mutex_init(&data->lock); |
9a61bf63 | 1267 | mutex_init(&data->update_lock); |
f641b588 | 1268 | platform_set_drvdata(pdev, data); |
1da177e4 | 1269 | |
2a32ec25 | 1270 | for (i = 0; i < LDNI_MAX; i++) { |
449a7a07 GR |
1271 | data->address[i] = extra_isa[i]; |
1272 | if (data->address[i] | |
61d4d17e GR |
1273 | && !devm_request_region(dev, extra_isa[i], PC87360_EXTENT, |
1274 | pc87360_driver.driver.name)) { | |
b55f3757 GR |
1275 | dev_err(dev, |
1276 | "Region 0x%x-0x%x already in use!\n", | |
1277 | extra_isa[i], extra_isa[i]+PC87360_EXTENT-1); | |
61d4d17e | 1278 | return -EBUSY; |
1da177e4 LT |
1279 | } |
1280 | } | |
1281 | ||
1282 | /* Retrieve the fans configuration from Super-I/O space */ | |
1283 | if (data->fannr) | |
1284 | data->fan_conf = confreg[0] | (confreg[1] << 8); | |
1285 | ||
3af2861e GR |
1286 | /* |
1287 | * Use the correct reference voltage | |
1288 | * Unless both the VLM and the TMS logical devices agree to | |
1289 | * use an external Vref, the internal one is used. | |
1290 | */ | |
1da177e4 LT |
1291 | if (data->innr) { |
1292 | i = pc87360_read_value(data, LD_IN, NO_BANK, | |
1293 | PC87365_REG_IN_CONFIG); | |
1294 | if (data->tempnr) { | |
1295 | i &= pc87360_read_value(data, LD_TEMP, NO_BANK, | |
1296 | PC87365_REG_TEMP_CONFIG); | |
1297 | } | |
1298 | data->in_vref = (i&0x02) ? 3025 : 2966; | |
f641b588 | 1299 | dev_dbg(dev, "Using %s reference voltage\n", |
1da177e4 LT |
1300 | (i&0x02) ? "external" : "internal"); |
1301 | ||
1302 | data->vid_conf = confreg[3]; | |
3d7f9a86 | 1303 | data->vrm = vid_which_vrm(); |
1da177e4 LT |
1304 | } |
1305 | ||
1306 | /* Fan clock dividers may be needed before any data is read */ | |
1307 | for (i = 0; i < data->fannr; i++) { | |
1308 | if (FAN_CONFIG_MONITOR(data->fan_conf, i)) | |
1309 | data->fan_status[i] = pc87360_read_value(data, | |
1310 | LD_FAN, NO_BANK, | |
1311 | PC87360_REG_FAN_STATUS(i)); | |
1312 | } | |
1313 | ||
1314 | if (init > 0) { | |
1315 | if (devid == 0xe9 && data->address[1]) /* PC87366 */ | |
1316 | use_thermistors = confreg[2] & 0x40; | |
1317 | ||
f641b588 | 1318 | pc87360_init_device(pdev, use_thermistors); |
1da177e4 LT |
1319 | } |
1320 | ||
f3722d5b JC |
1321 | /* Register all-or-nothing sysfs groups */ |
1322 | ||
449a7a07 GR |
1323 | if (data->innr) { |
1324 | err = sysfs_create_group(&dev->kobj, &pc8736x_vin_group); | |
1325 | if (err) | |
61d4d17e | 1326 | goto error; |
449a7a07 | 1327 | } |
943b0830 | 1328 | |
449a7a07 GR |
1329 | if (data->innr == 14) { |
1330 | err = sysfs_create_group(&dev->kobj, &pc8736x_therm_group); | |
1331 | if (err) | |
61d4d17e | 1332 | goto error; |
449a7a07 | 1333 | } |
f3722d5b JC |
1334 | |
1335 | /* create device attr-files for varying sysfs groups */ | |
1da177e4 LT |
1336 | |
1337 | if (data->tempnr) { | |
dedc6a78 | 1338 | for (i = 0; i < data->tempnr; i++) { |
bce2778d GR |
1339 | err = sysfs_create_group(&dev->kobj, |
1340 | &pc8736x_temp_attr_group[i]); | |
1341 | if (err) | |
61d4d17e | 1342 | goto error; |
1da177e4 | 1343 | } |
449a7a07 GR |
1344 | err = device_create_file(dev, &dev_attr_alarms_temp); |
1345 | if (err) | |
61d4d17e | 1346 | goto error; |
1da177e4 | 1347 | } |
1da177e4 | 1348 | |
dedc6a78 | 1349 | for (i = 0; i < data->fannr; i++) { |
bce2778d GR |
1350 | if (FAN_CONFIG_MONITOR(data->fan_conf, i)) { |
1351 | err = sysfs_create_group(&dev->kobj, | |
1352 | &pc8736x_fan_attr_group[i]); | |
1353 | if (err) | |
61d4d17e | 1354 | goto error; |
bce2778d | 1355 | } |
449a7a07 GR |
1356 | if (FAN_CONFIG_CONTROL(data->fan_conf, i)) { |
1357 | err = device_create_file(dev, &pwm[i].dev_attr); | |
1358 | if (err) | |
61d4d17e | 1359 | goto error; |
449a7a07 | 1360 | } |
1da177e4 LT |
1361 | } |
1362 | ||
449a7a07 GR |
1363 | err = device_create_file(dev, &dev_attr_name); |
1364 | if (err) | |
61d4d17e | 1365 | goto error; |
f641b588 | 1366 | |
1beeffe4 TJ |
1367 | data->hwmon_dev = hwmon_device_register(dev); |
1368 | if (IS_ERR(data->hwmon_dev)) { | |
1369 | err = PTR_ERR(data->hwmon_dev); | |
61d4d17e | 1370 | goto error; |
f3722d5b | 1371 | } |
1da177e4 LT |
1372 | return 0; |
1373 | ||
61d4d17e | 1374 | error: |
bce2778d | 1375 | pc87360_remove_files(dev); |
1da177e4 LT |
1376 | return err; |
1377 | } | |
1378 | ||
281dfd0b | 1379 | static int pc87360_remove(struct platform_device *pdev) |
1da177e4 | 1380 | { |
f641b588 | 1381 | struct pc87360_data *data = platform_get_drvdata(pdev); |
1da177e4 | 1382 | |
1beeffe4 | 1383 | hwmon_device_unregister(data->hwmon_dev); |
bce2778d | 1384 | pc87360_remove_files(&pdev->dev); |
1da177e4 LT |
1385 | |
1386 | return 0; | |
1387 | } | |
1388 | ||
3af2861e GR |
1389 | /* |
1390 | * ldi is the logical device index | |
1391 | * bank is for voltages and temperatures only | |
1392 | */ | |
1da177e4 LT |
1393 | static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank, |
1394 | u8 reg) | |
1395 | { | |
1396 | int res; | |
1397 | ||
9a61bf63 | 1398 | mutex_lock(&(data->lock)); |
1da177e4 LT |
1399 | if (bank != NO_BANK) |
1400 | outb_p(bank, data->address[ldi] + PC87365_REG_BANK); | |
1401 | res = inb_p(data->address[ldi] + reg); | |
9a61bf63 | 1402 | mutex_unlock(&(data->lock)); |
1da177e4 LT |
1403 | |
1404 | return res; | |
1405 | } | |
1406 | ||
1407 | static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank, | |
1408 | u8 reg, u8 value) | |
1409 | { | |
9a61bf63 | 1410 | mutex_lock(&(data->lock)); |
1da177e4 LT |
1411 | if (bank != NO_BANK) |
1412 | outb_p(bank, data->address[ldi] + PC87365_REG_BANK); | |
1413 | outb_p(value, data->address[ldi] + reg); | |
9a61bf63 | 1414 | mutex_unlock(&(data->lock)); |
1da177e4 LT |
1415 | } |
1416 | ||
28f74e71 JC |
1417 | /* (temp & vin) channel conversion status register flags (pdf sec.11.5.12) */ |
1418 | #define CHAN_CNVRTD 0x80 /* new data ready */ | |
1419 | #define CHAN_ENA 0x01 /* enabled channel (temp or vin) */ | |
1420 | #define CHAN_ALM_ENA 0x10 /* propagate to alarms-reg ?? (chk val!) */ | |
1421 | #define CHAN_READY (CHAN_ENA|CHAN_CNVRTD) /* sample ready mask */ | |
1422 | ||
b267e8cd JC |
1423 | #define TEMP_OTS_OE 0x20 /* OTS Output Enable */ |
1424 | #define VIN_RW1C_MASK (CHAN_READY|CHAN_ALM_MAX|CHAN_ALM_MIN) /* 0x87 */ | |
1425 | #define TEMP_RW1C_MASK (VIN_RW1C_MASK|TEMP_ALM_CRIT|TEMP_FAULT) /* 0xCF */ | |
1426 | ||
f641b588 JD |
1427 | static void pc87360_init_device(struct platform_device *pdev, |
1428 | int use_thermistors) | |
1da177e4 | 1429 | { |
f641b588 | 1430 | struct pc87360_data *data = platform_get_drvdata(pdev); |
1da177e4 LT |
1431 | int i, nr; |
1432 | const u8 init_in[14] = { 2, 2, 2, 2, 2, 2, 2, 1, 1, 3, 1, 2, 2, 2 }; | |
1433 | const u8 init_temp[3] = { 2, 2, 1 }; | |
1434 | u8 reg; | |
1435 | ||
1436 | if (init >= 2 && data->innr) { | |
1437 | reg = pc87360_read_value(data, LD_IN, NO_BANK, | |
1438 | PC87365_REG_IN_CONVRATE); | |
b55f3757 GR |
1439 | dev_info(&pdev->dev, |
1440 | "VLM conversion set to 1s period, 160us delay\n"); | |
1da177e4 LT |
1441 | pc87360_write_value(data, LD_IN, NO_BANK, |
1442 | PC87365_REG_IN_CONVRATE, | |
1443 | (reg & 0xC0) | 0x11); | |
1444 | } | |
1445 | ||
1446 | nr = data->innr < 11 ? data->innr : 11; | |
dedc6a78 | 1447 | for (i = 0; i < nr; i++) { |
8ca13674 JC |
1448 | reg = pc87360_read_value(data, LD_IN, i, |
1449 | PC87365_REG_IN_STATUS); | |
1450 | dev_dbg(&pdev->dev, "bios in%d status:0x%02x\n", i, reg); | |
1da177e4 LT |
1451 | if (init >= init_in[i]) { |
1452 | /* Forcibly enable voltage channel */ | |
28f74e71 | 1453 | if (!(reg & CHAN_ENA)) { |
b55f3757 GR |
1454 | dev_dbg(&pdev->dev, "Forcibly enabling in%d\n", |
1455 | i); | |
1da177e4 LT |
1456 | pc87360_write_value(data, LD_IN, i, |
1457 | PC87365_REG_IN_STATUS, | |
1458 | (reg & 0x68) | 0x87); | |
1459 | } | |
1460 | } | |
1461 | } | |
1462 | ||
3af2861e GR |
1463 | /* |
1464 | * We can't blindly trust the Super-I/O space configuration bit, | |
1465 | * most BIOS won't set it properly | |
1466 | */ | |
8ca13674 | 1467 | dev_dbg(&pdev->dev, "bios thermistors:%d\n", use_thermistors); |
dedc6a78 | 1468 | for (i = 11; i < data->innr; i++) { |
1da177e4 LT |
1469 | reg = pc87360_read_value(data, LD_IN, i, |
1470 | PC87365_REG_TEMP_STATUS); | |
28f74e71 | 1471 | use_thermistors = use_thermistors || (reg & CHAN_ENA); |
8ca13674 JC |
1472 | /* thermistors are temp[4-6], measured on vin[11-14] */ |
1473 | dev_dbg(&pdev->dev, "bios temp%d_status:0x%02x\n", i-7, reg); | |
1da177e4 | 1474 | } |
8ca13674 | 1475 | dev_dbg(&pdev->dev, "using thermistors:%d\n", use_thermistors); |
1da177e4 LT |
1476 | |
1477 | i = use_thermistors ? 2 : 0; | |
dedc6a78 | 1478 | for (; i < data->tempnr; i++) { |
8ca13674 JC |
1479 | reg = pc87360_read_value(data, LD_TEMP, i, |
1480 | PC87365_REG_TEMP_STATUS); | |
449a7a07 | 1481 | dev_dbg(&pdev->dev, "bios temp%d_status:0x%02x\n", i + 1, reg); |
1da177e4 LT |
1482 | if (init >= init_temp[i]) { |
1483 | /* Forcibly enable temperature channel */ | |
28f74e71 | 1484 | if (!(reg & CHAN_ENA)) { |
449a7a07 GR |
1485 | dev_dbg(&pdev->dev, |
1486 | "Forcibly enabling temp%d\n", i + 1); | |
1da177e4 LT |
1487 | pc87360_write_value(data, LD_TEMP, i, |
1488 | PC87365_REG_TEMP_STATUS, | |
1489 | 0xCF); | |
1490 | } | |
1491 | } | |
1492 | } | |
1493 | ||
1494 | if (use_thermistors) { | |
dedc6a78 | 1495 | for (i = 11; i < data->innr; i++) { |
1da177e4 | 1496 | if (init >= init_in[i]) { |
3af2861e GR |
1497 | /* |
1498 | * The pin may already be used by thermal | |
1499 | * diodes | |
1500 | */ | |
1da177e4 | 1501 | reg = pc87360_read_value(data, LD_TEMP, |
449a7a07 | 1502 | (i - 11) / 2, PC87365_REG_TEMP_STATUS); |
28f74e71 | 1503 | if (reg & CHAN_ENA) { |
449a7a07 GR |
1504 | dev_dbg(&pdev->dev, |
1505 | "Skipping temp%d, pin already in use by temp%d\n", | |
1506 | i - 7, (i - 11) / 2); | |
1da177e4 LT |
1507 | continue; |
1508 | } | |
1509 | ||
1510 | /* Forcibly enable thermistor channel */ | |
1511 | reg = pc87360_read_value(data, LD_IN, i, | |
1512 | PC87365_REG_IN_STATUS); | |
28f74e71 | 1513 | if (!(reg & CHAN_ENA)) { |
449a7a07 GR |
1514 | dev_dbg(&pdev->dev, |
1515 | "Forcibly enabling temp%d\n", | |
1516 | i - 7); | |
1da177e4 LT |
1517 | pc87360_write_value(data, LD_IN, i, |
1518 | PC87365_REG_TEMP_STATUS, | |
1519 | (reg & 0x60) | 0x8F); | |
1520 | } | |
1521 | } | |
1522 | } | |
1523 | } | |
1524 | ||
1525 | if (data->innr) { | |
1526 | reg = pc87360_read_value(data, LD_IN, NO_BANK, | |
1527 | PC87365_REG_IN_CONFIG); | |
8ca13674 | 1528 | dev_dbg(&pdev->dev, "bios vin-cfg:0x%02x\n", reg); |
28f74e71 | 1529 | if (reg & CHAN_ENA) { |
449a7a07 GR |
1530 | dev_dbg(&pdev->dev, |
1531 | "Forcibly enabling monitoring (VLM)\n"); | |
1da177e4 LT |
1532 | pc87360_write_value(data, LD_IN, NO_BANK, |
1533 | PC87365_REG_IN_CONFIG, | |
1534 | reg & 0xFE); | |
1535 | } | |
1536 | } | |
1537 | ||
1538 | if (data->tempnr) { | |
1539 | reg = pc87360_read_value(data, LD_TEMP, NO_BANK, | |
1540 | PC87365_REG_TEMP_CONFIG); | |
8ca13674 | 1541 | dev_dbg(&pdev->dev, "bios temp-cfg:0x%02x\n", reg); |
28f74e71 | 1542 | if (reg & CHAN_ENA) { |
449a7a07 GR |
1543 | dev_dbg(&pdev->dev, |
1544 | "Forcibly enabling monitoring (TMS)\n"); | |
1da177e4 LT |
1545 | pc87360_write_value(data, LD_TEMP, NO_BANK, |
1546 | PC87365_REG_TEMP_CONFIG, | |
1547 | reg & 0xFE); | |
1548 | } | |
1549 | ||
1550 | if (init >= 2) { | |
1551 | /* Chip config as documented by National Semi. */ | |
1552 | pc87360_write_value(data, LD_TEMP, 0xF, 0xA, 0x08); | |
3af2861e GR |
1553 | /* |
1554 | * We voluntarily omit the bank here, in case the | |
1555 | * sequence itself matters. It shouldn't be a problem, | |
1556 | * since nobody else is supposed to access the | |
1557 | * device at that point. | |
1558 | */ | |
1da177e4 LT |
1559 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xB, 0x04); |
1560 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xC, 0x35); | |
1561 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xD, 0x05); | |
1562 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xE, 0x05); | |
1563 | } | |
1564 | } | |
1565 | } | |
1566 | ||
f641b588 | 1567 | static void pc87360_autodiv(struct device *dev, int nr) |
1da177e4 | 1568 | { |
f641b588 | 1569 | struct pc87360_data *data = dev_get_drvdata(dev); |
1da177e4 LT |
1570 | u8 old_min = data->fan_min[nr]; |
1571 | ||
1572 | /* Increase clock divider if needed and possible */ | |
1573 | if ((data->fan_status[nr] & 0x04) /* overflow flag */ | |
1574 | || (data->fan[nr] >= 224)) { /* next to overflow */ | |
1575 | if ((data->fan_status[nr] & 0x60) != 0x60) { | |
1576 | data->fan_status[nr] += 0x20; | |
1577 | data->fan_min[nr] >>= 1; | |
1578 | data->fan[nr] >>= 1; | |
b55f3757 GR |
1579 | dev_dbg(dev, |
1580 | "Increasing clock divider to %d for fan %d\n", | |
449a7a07 | 1581 | FAN_DIV_FROM_REG(data->fan_status[nr]), nr + 1); |
1da177e4 LT |
1582 | } |
1583 | } else { | |
1584 | /* Decrease clock divider if possible */ | |
1585 | while (!(data->fan_min[nr] & 0x80) /* min "nails" divider */ | |
1586 | && data->fan[nr] < 85 /* bad accuracy */ | |
1587 | && (data->fan_status[nr] & 0x60) != 0x00) { | |
1588 | data->fan_status[nr] -= 0x20; | |
1589 | data->fan_min[nr] <<= 1; | |
1590 | data->fan[nr] <<= 1; | |
b55f3757 GR |
1591 | dev_dbg(dev, |
1592 | "Decreasing clock divider to %d for fan %d\n", | |
1da177e4 | 1593 | FAN_DIV_FROM_REG(data->fan_status[nr]), |
449a7a07 | 1594 | nr + 1); |
1da177e4 LT |
1595 | } |
1596 | } | |
1597 | ||
1598 | /* Write new fan min if it changed */ | |
1599 | if (old_min != data->fan_min[nr]) { | |
1600 | pc87360_write_value(data, LD_FAN, NO_BANK, | |
1601 | PC87360_REG_FAN_MIN(nr), | |
1602 | data->fan_min[nr]); | |
1603 | } | |
1604 | } | |
1605 | ||
1606 | static struct pc87360_data *pc87360_update_device(struct device *dev) | |
1607 | { | |
f641b588 | 1608 | struct pc87360_data *data = dev_get_drvdata(dev); |
1da177e4 LT |
1609 | u8 i; |
1610 | ||
9a61bf63 | 1611 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1612 | |
1613 | if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) { | |
f641b588 | 1614 | dev_dbg(dev, "Data update\n"); |
1da177e4 LT |
1615 | |
1616 | /* Fans */ | |
1617 | for (i = 0; i < data->fannr; i++) { | |
1618 | if (FAN_CONFIG_MONITOR(data->fan_conf, i)) { | |
1619 | data->fan_status[i] = | |
1620 | pc87360_read_value(data, LD_FAN, | |
1621 | NO_BANK, PC87360_REG_FAN_STATUS(i)); | |
1622 | data->fan[i] = pc87360_read_value(data, LD_FAN, | |
1623 | NO_BANK, PC87360_REG_FAN(i)); | |
1624 | data->fan_min[i] = pc87360_read_value(data, | |
1625 | LD_FAN, NO_BANK, | |
1626 | PC87360_REG_FAN_MIN(i)); | |
1627 | /* Change clock divider if needed */ | |
f641b588 | 1628 | pc87360_autodiv(dev, i); |
1da177e4 LT |
1629 | /* Clear bits and write new divider */ |
1630 | pc87360_write_value(data, LD_FAN, NO_BANK, | |
1631 | PC87360_REG_FAN_STATUS(i), | |
1632 | data->fan_status[i]); | |
1633 | } | |
1634 | if (FAN_CONFIG_CONTROL(data->fan_conf, i)) | |
1635 | data->pwm[i] = pc87360_read_value(data, LD_FAN, | |
1636 | NO_BANK, PC87360_REG_PWM(i)); | |
1637 | } | |
1638 | ||
1639 | /* Voltages */ | |
1640 | for (i = 0; i < data->innr; i++) { | |
1641 | data->in_status[i] = pc87360_read_value(data, LD_IN, i, | |
1642 | PC87365_REG_IN_STATUS); | |
1643 | /* Clear bits */ | |
1644 | pc87360_write_value(data, LD_IN, i, | |
1645 | PC87365_REG_IN_STATUS, | |
1646 | data->in_status[i]); | |
28f74e71 | 1647 | if ((data->in_status[i] & CHAN_READY) == CHAN_READY) { |
1da177e4 LT |
1648 | data->in[i] = pc87360_read_value(data, LD_IN, |
1649 | i, PC87365_REG_IN); | |
1650 | } | |
28f74e71 | 1651 | if (data->in_status[i] & CHAN_ENA) { |
1da177e4 LT |
1652 | data->in_min[i] = pc87360_read_value(data, |
1653 | LD_IN, i, | |
1654 | PC87365_REG_IN_MIN); | |
1655 | data->in_max[i] = pc87360_read_value(data, | |
1656 | LD_IN, i, | |
1657 | PC87365_REG_IN_MAX); | |
1658 | if (i >= 11) | |
1659 | data->in_crit[i-11] = | |
1660 | pc87360_read_value(data, LD_IN, | |
1661 | i, PC87365_REG_TEMP_CRIT); | |
1662 | } | |
1663 | } | |
1664 | if (data->innr) { | |
1665 | data->in_alarms = pc87360_read_value(data, LD_IN, | |
1666 | NO_BANK, PC87365_REG_IN_ALARMS1) | |
1667 | | ((pc87360_read_value(data, LD_IN, | |
1668 | NO_BANK, PC87365_REG_IN_ALARMS2) | |
1669 | & 0x07) << 8); | |
1670 | data->vid = (data->vid_conf & 0xE0) ? | |
1671 | pc87360_read_value(data, LD_IN, | |
1672 | NO_BANK, PC87365_REG_VID) : 0x1F; | |
1673 | } | |
1674 | ||
1675 | /* Temperatures */ | |
1676 | for (i = 0; i < data->tempnr; i++) { | |
1677 | data->temp_status[i] = pc87360_read_value(data, | |
1678 | LD_TEMP, i, | |
1679 | PC87365_REG_TEMP_STATUS); | |
1680 | /* Clear bits */ | |
1681 | pc87360_write_value(data, LD_TEMP, i, | |
1682 | PC87365_REG_TEMP_STATUS, | |
1683 | data->temp_status[i]); | |
28f74e71 | 1684 | if ((data->temp_status[i] & CHAN_READY) == CHAN_READY) { |
1da177e4 LT |
1685 | data->temp[i] = pc87360_read_value(data, |
1686 | LD_TEMP, i, | |
1687 | PC87365_REG_TEMP); | |
1688 | } | |
28f74e71 | 1689 | if (data->temp_status[i] & CHAN_ENA) { |
1da177e4 LT |
1690 | data->temp_min[i] = pc87360_read_value(data, |
1691 | LD_TEMP, i, | |
1692 | PC87365_REG_TEMP_MIN); | |
1693 | data->temp_max[i] = pc87360_read_value(data, | |
1694 | LD_TEMP, i, | |
1695 | PC87365_REG_TEMP_MAX); | |
1696 | data->temp_crit[i] = pc87360_read_value(data, | |
1697 | LD_TEMP, i, | |
1698 | PC87365_REG_TEMP_CRIT); | |
1699 | } | |
1700 | } | |
1701 | if (data->tempnr) { | |
1702 | data->temp_alarms = pc87360_read_value(data, LD_TEMP, | |
1703 | NO_BANK, PC87365_REG_TEMP_ALARMS) | |
1704 | & 0x3F; | |
1705 | } | |
1706 | ||
1707 | data->last_updated = jiffies; | |
1708 | data->valid = 1; | |
1709 | } | |
1710 | ||
9a61bf63 | 1711 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1712 | |
1713 | return data; | |
1714 | } | |
1715 | ||
f641b588 JD |
1716 | static int __init pc87360_device_add(unsigned short address) |
1717 | { | |
b9783dce JD |
1718 | struct resource res[3]; |
1719 | int err, i, res_count; | |
f641b588 JD |
1720 | |
1721 | pdev = platform_device_alloc("pc87360", address); | |
1722 | if (!pdev) { | |
1723 | err = -ENOMEM; | |
9e991c6f | 1724 | pr_err("Device allocation failed\n"); |
f641b588 JD |
1725 | goto exit; |
1726 | } | |
1727 | ||
b9783dce JD |
1728 | memset(res, 0, 3 * sizeof(struct resource)); |
1729 | res_count = 0; | |
f641b588 JD |
1730 | for (i = 0; i < 3; i++) { |
1731 | if (!extra_isa[i]) | |
1732 | continue; | |
b9783dce JD |
1733 | res[res_count].start = extra_isa[i]; |
1734 | res[res_count].end = extra_isa[i] + PC87360_EXTENT - 1; | |
1735 | res[res_count].name = "pc87360", | |
1736 | res[res_count].flags = IORESOURCE_IO, | |
b9acb64a | 1737 | |
b9783dce | 1738 | err = acpi_check_resource_conflict(&res[res_count]); |
b9acb64a JD |
1739 | if (err) |
1740 | goto exit_device_put; | |
1741 | ||
b9783dce JD |
1742 | res_count++; |
1743 | } | |
1744 | ||
1745 | err = platform_device_add_resources(pdev, res, res_count); | |
1746 | if (err) { | |
9e991c6f | 1747 | pr_err("Device resources addition failed (%d)\n", err); |
b9783dce | 1748 | goto exit_device_put; |
f641b588 JD |
1749 | } |
1750 | ||
1751 | err = platform_device_add(pdev); | |
1752 | if (err) { | |
9e991c6f | 1753 | pr_err("Device addition failed (%d)\n", err); |
f641b588 JD |
1754 | goto exit_device_put; |
1755 | } | |
1756 | ||
1757 | return 0; | |
1758 | ||
1759 | exit_device_put: | |
1760 | platform_device_put(pdev); | |
1761 | exit: | |
1762 | return err; | |
1763 | } | |
1764 | ||
1da177e4 LT |
1765 | static int __init pc87360_init(void) |
1766 | { | |
f641b588 JD |
1767 | int err, i; |
1768 | unsigned short address = 0; | |
1da177e4 LT |
1769 | |
1770 | if (pc87360_find(0x2e, &devid, extra_isa) | |
1771 | && pc87360_find(0x4e, &devid, extra_isa)) { | |
9e991c6f | 1772 | pr_warn("PC8736x not detected, module not inserted\n"); |
1da177e4 LT |
1773 | return -ENODEV; |
1774 | } | |
1775 | ||
1776 | /* Arbitrarily pick one of the addresses */ | |
1777 | for (i = 0; i < 3; i++) { | |
1778 | if (extra_isa[i] != 0x0000) { | |
2d8672c5 | 1779 | address = extra_isa[i]; |
1da177e4 LT |
1780 | break; |
1781 | } | |
1782 | } | |
1783 | ||
2d8672c5 | 1784 | if (address == 0x0000) { |
9e991c6f | 1785 | pr_warn("No active logical device, module not inserted\n"); |
1da177e4 LT |
1786 | return -ENODEV; |
1787 | } | |
1788 | ||
f641b588 JD |
1789 | err = platform_driver_register(&pc87360_driver); |
1790 | if (err) | |
1791 | goto exit; | |
1792 | ||
1793 | /* Sets global pdev as a side effect */ | |
1794 | err = pc87360_device_add(address); | |
1795 | if (err) | |
1796 | goto exit_driver; | |
1797 | ||
1798 | return 0; | |
1799 | ||
1800 | exit_driver: | |
1801 | platform_driver_unregister(&pc87360_driver); | |
1802 | exit: | |
1803 | return err; | |
1da177e4 LT |
1804 | } |
1805 | ||
1806 | static void __exit pc87360_exit(void) | |
1807 | { | |
f641b588 JD |
1808 | platform_device_unregister(pdev); |
1809 | platform_driver_unregister(&pc87360_driver); | |
1da177e4 LT |
1810 | } |
1811 | ||
1812 | ||
7c81c60f | 1813 | MODULE_AUTHOR("Jean Delvare <jdelvare@suse.de>"); |
1da177e4 LT |
1814 | MODULE_DESCRIPTION("PC8736x hardware monitor"); |
1815 | MODULE_LICENSE("GPL"); | |
1816 | ||
1817 | module_init(pc87360_init); | |
1818 | module_exit(pc87360_exit); |