Commit | Line | Data |
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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 | ||
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, | |
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"); | |
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); | |
91 | outb(val, sioaddr+1); | |
92 | } | |
93 | ||
94 | static inline int superio_inb(int sioaddr, int reg) | |
95 | { | |
96 | outb(reg, sioaddr); | |
97 | return inb(sioaddr+1); | |
98 | } | |
99 | ||
100 | static inline void superio_exit(int sioaddr) | |
101 | { | |
102 | outb(0x02, sioaddr); | |
103 | outb(0x02, sioaddr+1); | |
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 | ||
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)) | |
130 | #define FAN_STATUS_FROM_REG(val) ((val) & 0x07) | |
131 | ||
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) | |
135 | ||
136 | #define PWM_FROM_REG(val,inv) ((inv) ? 255 - (val) : (val)) | |
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 | ||
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)) | |
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); |
d0546128 | 231 | static int __devexit 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 = { |
87218842 | 247 | .owner = THIS_MODULE, |
cdaf7934 LR |
248 | .name = "pc87360", |
249 | }, | |
f641b588 JD |
250 | .probe = pc87360_probe, |
251 | .remove = __devexit_p(pc87360_remove), | |
1da177e4 LT |
252 | }; |
253 | ||
254 | /* | |
255 | * Sysfs stuff | |
256 | */ | |
257 | ||
f0986bd8 JC |
258 | static ssize_t show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf) |
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 JC |
264 | } |
265 | static ssize_t show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf) | |
266 | { | |
267 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
268 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 JC |
269 | return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan_min[attr->index], |
270 | FAN_DIV_FROM_REG(data->fan_status[attr->index]))); | |
f0986bd8 JC |
271 | } |
272 | static ssize_t show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf) | |
273 | { | |
274 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
275 | struct pc87360_data *data = pc87360_update_device(dev); | |
276 | return sprintf(buf, "%u\n", | |
694fa056 | 277 | FAN_DIV_FROM_REG(data->fan_status[attr->index])); |
f0986bd8 JC |
278 | } |
279 | static ssize_t show_fan_status(struct device *dev, struct device_attribute *devattr, char *buf) | |
280 | { | |
281 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
282 | struct pc87360_data *data = pc87360_update_device(dev); | |
283 | return sprintf(buf, "%u\n", | |
694fa056 | 284 | FAN_STATUS_FROM_REG(data->fan_status[attr->index])); |
f0986bd8 JC |
285 | } |
286 | static ssize_t set_fan_min(struct device *dev, struct device_attribute *devattr, const char *buf, | |
287 | size_t count) | |
288 | { | |
289 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 290 | struct pc87360_data *data = dev_get_drvdata(dev); |
11be27ea JC |
291 | long fan_min = simple_strtol(buf, NULL, 10); |
292 | ||
9a61bf63 | 293 | mutex_lock(&data->update_lock); |
11be27ea JC |
294 | fan_min = FAN_TO_REG(fan_min, FAN_DIV_FROM_REG(data->fan_status[attr->index])); |
295 | ||
296 | /* If it wouldn't fit, change clock divisor */ | |
297 | while (fan_min > 255 | |
298 | && (data->fan_status[attr->index] & 0x60) != 0x60) { | |
299 | fan_min >>= 1; | |
300 | data->fan[attr->index] >>= 1; | |
301 | data->fan_status[attr->index] += 0x20; | |
302 | } | |
303 | data->fan_min[attr->index] = fan_min > 255 ? 255 : fan_min; | |
304 | pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_MIN(attr->index), | |
305 | data->fan_min[attr->index]); | |
306 | ||
307 | /* Write new divider, preserve alarm bits */ | |
308 | pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_STATUS(attr->index), | |
309 | data->fan_status[attr->index] & 0xF9); | |
9a61bf63 | 310 | mutex_unlock(&data->update_lock); |
11be27ea JC |
311 | |
312 | return count; | |
f0986bd8 JC |
313 | } |
314 | ||
dedc6a78 JC |
315 | static struct sensor_device_attribute fan_input[] = { |
316 | SENSOR_ATTR(fan1_input, S_IRUGO, show_fan_input, NULL, 0), | |
317 | SENSOR_ATTR(fan2_input, S_IRUGO, show_fan_input, NULL, 1), | |
318 | SENSOR_ATTR(fan3_input, S_IRUGO, show_fan_input, NULL, 2), | |
319 | }; | |
320 | static struct sensor_device_attribute fan_status[] = { | |
321 | SENSOR_ATTR(fan1_status, S_IRUGO, show_fan_status, NULL, 0), | |
322 | SENSOR_ATTR(fan2_status, S_IRUGO, show_fan_status, NULL, 1), | |
323 | SENSOR_ATTR(fan3_status, S_IRUGO, show_fan_status, NULL, 2), | |
324 | }; | |
325 | static struct sensor_device_attribute fan_div[] = { | |
326 | SENSOR_ATTR(fan1_div, S_IRUGO, show_fan_div, NULL, 0), | |
327 | SENSOR_ATTR(fan2_div, S_IRUGO, show_fan_div, NULL, 1), | |
328 | SENSOR_ATTR(fan3_div, S_IRUGO, show_fan_div, NULL, 2), | |
329 | }; | |
330 | static struct sensor_device_attribute fan_min[] = { | |
331 | SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 0), | |
332 | SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 1), | |
333 | SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 2), | |
334 | }; | |
1da177e4 | 335 | |
941c5c05 JC |
336 | #define FAN_UNIT_ATTRS(X) \ |
337 | &fan_input[X].dev_attr.attr, \ | |
338 | &fan_status[X].dev_attr.attr, \ | |
339 | &fan_div[X].dev_attr.attr, \ | |
340 | &fan_min[X].dev_attr.attr | |
341 | ||
f0986bd8 JC |
342 | static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, char *buf) |
343 | { | |
344 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
345 | struct pc87360_data *data = pc87360_update_device(dev); | |
346 | return sprintf(buf, "%u\n", | |
694fa056 | 347 | PWM_FROM_REG(data->pwm[attr->index], |
f0986bd8 | 348 | FAN_CONFIG_INVERT(data->fan_conf, |
694fa056 | 349 | attr->index))); |
f0986bd8 JC |
350 | } |
351 | static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, const char *buf, | |
352 | size_t count) | |
353 | { | |
354 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 355 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
356 | long val = simple_strtol(buf, NULL, 10); |
357 | ||
9a61bf63 | 358 | mutex_lock(&data->update_lock); |
694fa056 JC |
359 | data->pwm[attr->index] = PWM_TO_REG(val, |
360 | FAN_CONFIG_INVERT(data->fan_conf, attr->index)); | |
361 | pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_PWM(attr->index), | |
362 | data->pwm[attr->index]); | |
9a61bf63 | 363 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
364 | return count; |
365 | } | |
366 | ||
dedc6a78 JC |
367 | static struct sensor_device_attribute pwm[] = { |
368 | SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 0), | |
369 | SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 1), | |
370 | SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 2), | |
371 | }; | |
1da177e4 | 372 | |
941c5c05 JC |
373 | static struct attribute * pc8736x_fan_attr_array[] = { |
374 | FAN_UNIT_ATTRS(0), | |
375 | FAN_UNIT_ATTRS(1), | |
376 | FAN_UNIT_ATTRS(2), | |
377 | &pwm[0].dev_attr.attr, | |
378 | &pwm[1].dev_attr.attr, | |
379 | &pwm[2].dev_attr.attr, | |
380 | NULL | |
381 | }; | |
382 | static const struct attribute_group pc8736x_fan_group = { | |
383 | .attrs = pc8736x_fan_attr_array, | |
384 | }; | |
385 | ||
f0986bd8 JC |
386 | static ssize_t show_in_input(struct device *dev, struct device_attribute *devattr, char *buf) |
387 | { | |
388 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
389 | struct pc87360_data *data = pc87360_update_device(dev); | |
390 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index], | |
391 | data->in_vref)); | |
392 | } | |
393 | static ssize_t show_in_min(struct device *dev, struct device_attribute *devattr, char *buf) | |
394 | { | |
395 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
396 | struct pc87360_data *data = pc87360_update_device(dev); | |
397 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index], | |
398 | data->in_vref)); | |
399 | } | |
400 | static ssize_t show_in_max(struct device *dev, struct device_attribute *devattr, char *buf) | |
401 | { | |
402 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
403 | struct pc87360_data *data = pc87360_update_device(dev); | |
404 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index], | |
405 | data->in_vref)); | |
406 | } | |
407 | static ssize_t show_in_status(struct device *dev, struct device_attribute *devattr, char *buf) | |
408 | { | |
409 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
410 | struct pc87360_data *data = pc87360_update_device(dev); | |
411 | return sprintf(buf, "%u\n", data->in_status[attr->index]); | |
412 | } | |
413 | static ssize_t set_in_min(struct device *dev, struct device_attribute *devattr, const char *buf, | |
414 | size_t count) | |
415 | { | |
416 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 417 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
418 | long val = simple_strtol(buf, NULL, 10); |
419 | ||
9a61bf63 | 420 | mutex_lock(&data->update_lock); |
f0986bd8 JC |
421 | data->in_min[attr->index] = IN_TO_REG(val, data->in_vref); |
422 | pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MIN, | |
423 | data->in_min[attr->index]); | |
9a61bf63 | 424 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
425 | return count; |
426 | } | |
427 | static ssize_t set_in_max(struct device *dev, struct device_attribute *devattr, const char *buf, | |
428 | size_t count) | |
429 | { | |
430 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 431 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
432 | long val = simple_strtol(buf, NULL, 10); |
433 | ||
9a61bf63 | 434 | mutex_lock(&data->update_lock); |
f0986bd8 JC |
435 | data->in_max[attr->index] = IN_TO_REG(val, |
436 | data->in_vref); | |
437 | pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MAX, | |
438 | data->in_max[attr->index]); | |
9a61bf63 | 439 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
440 | return count; |
441 | } | |
442 | ||
dedc6a78 JC |
443 | static struct sensor_device_attribute in_input[] = { |
444 | SENSOR_ATTR(in0_input, S_IRUGO, show_in_input, NULL, 0), | |
445 | SENSOR_ATTR(in1_input, S_IRUGO, show_in_input, NULL, 1), | |
446 | SENSOR_ATTR(in2_input, S_IRUGO, show_in_input, NULL, 2), | |
447 | SENSOR_ATTR(in3_input, S_IRUGO, show_in_input, NULL, 3), | |
448 | SENSOR_ATTR(in4_input, S_IRUGO, show_in_input, NULL, 4), | |
449 | SENSOR_ATTR(in5_input, S_IRUGO, show_in_input, NULL, 5), | |
450 | SENSOR_ATTR(in6_input, S_IRUGO, show_in_input, NULL, 6), | |
451 | SENSOR_ATTR(in7_input, S_IRUGO, show_in_input, NULL, 7), | |
452 | SENSOR_ATTR(in8_input, S_IRUGO, show_in_input, NULL, 8), | |
453 | SENSOR_ATTR(in9_input, S_IRUGO, show_in_input, NULL, 9), | |
454 | SENSOR_ATTR(in10_input, S_IRUGO, show_in_input, NULL, 10), | |
455 | }; | |
456 | static struct sensor_device_attribute in_status[] = { | |
457 | SENSOR_ATTR(in0_status, S_IRUGO, show_in_status, NULL, 0), | |
458 | SENSOR_ATTR(in1_status, S_IRUGO, show_in_status, NULL, 1), | |
459 | SENSOR_ATTR(in2_status, S_IRUGO, show_in_status, NULL, 2), | |
460 | SENSOR_ATTR(in3_status, S_IRUGO, show_in_status, NULL, 3), | |
461 | SENSOR_ATTR(in4_status, S_IRUGO, show_in_status, NULL, 4), | |
462 | SENSOR_ATTR(in5_status, S_IRUGO, show_in_status, NULL, 5), | |
463 | SENSOR_ATTR(in6_status, S_IRUGO, show_in_status, NULL, 6), | |
464 | SENSOR_ATTR(in7_status, S_IRUGO, show_in_status, NULL, 7), | |
465 | SENSOR_ATTR(in8_status, S_IRUGO, show_in_status, NULL, 8), | |
466 | SENSOR_ATTR(in9_status, S_IRUGO, show_in_status, NULL, 9), | |
467 | SENSOR_ATTR(in10_status, S_IRUGO, show_in_status, NULL, 10), | |
468 | }; | |
469 | static struct sensor_device_attribute in_min[] = { | |
470 | SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 0), | |
471 | SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 1), | |
472 | SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 2), | |
473 | SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 3), | |
474 | SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 4), | |
475 | SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 5), | |
476 | SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 6), | |
477 | SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 7), | |
478 | SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 8), | |
479 | SENSOR_ATTR(in9_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 9), | |
480 | SENSOR_ATTR(in10_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 10), | |
481 | }; | |
482 | static struct sensor_device_attribute in_max[] = { | |
483 | SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 0), | |
484 | SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 1), | |
485 | SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 2), | |
486 | SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 3), | |
487 | SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 4), | |
488 | SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 5), | |
489 | SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 6), | |
490 | SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 7), | |
491 | SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 8), | |
492 | SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 9), | |
493 | SENSOR_ATTR(in10_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 10), | |
494 | }; | |
1da177e4 | 495 | |
28f74e71 JC |
496 | /* (temp & vin) channel status register alarm bits (pdf sec.11.5.12) */ |
497 | #define CHAN_ALM_MIN 0x02 /* min limit crossed */ | |
498 | #define CHAN_ALM_MAX 0x04 /* max limit exceeded */ | |
499 | #define TEMP_ALM_CRIT 0x08 /* temp crit exceeded (temp only) */ | |
500 | ||
492e9657 JC |
501 | /* show_in_min/max_alarm() reads data from the per-channel status |
502 | register (sec 11.5.12), not the vin event status registers (sec | |
503 | 11.5.2) that (legacy) show_in_alarm() resds (via data->in_alarms) */ | |
504 | ||
505 | static ssize_t show_in_min_alarm(struct device *dev, | |
506 | struct device_attribute *devattr, char *buf) | |
507 | { | |
508 | struct pc87360_data *data = pc87360_update_device(dev); | |
509 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
510 | ||
511 | return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MIN)); | |
512 | } | |
513 | static ssize_t show_in_max_alarm(struct device *dev, | |
514 | struct device_attribute *devattr, char *buf) | |
515 | { | |
516 | struct pc87360_data *data = pc87360_update_device(dev); | |
517 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
518 | ||
519 | return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MAX)); | |
520 | } | |
521 | ||
522 | static struct sensor_device_attribute in_min_alarm[] = { | |
523 | SENSOR_ATTR(in0_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 0), | |
524 | SENSOR_ATTR(in1_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 1), | |
525 | SENSOR_ATTR(in2_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 2), | |
526 | SENSOR_ATTR(in3_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 3), | |
527 | SENSOR_ATTR(in4_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 4), | |
528 | SENSOR_ATTR(in5_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 5), | |
529 | SENSOR_ATTR(in6_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 6), | |
530 | SENSOR_ATTR(in7_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 7), | |
531 | SENSOR_ATTR(in8_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 8), | |
532 | SENSOR_ATTR(in9_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 9), | |
533 | SENSOR_ATTR(in10_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 10), | |
534 | }; | |
535 | static struct sensor_device_attribute in_max_alarm[] = { | |
536 | SENSOR_ATTR(in0_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 0), | |
537 | SENSOR_ATTR(in1_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 1), | |
538 | SENSOR_ATTR(in2_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 2), | |
539 | SENSOR_ATTR(in3_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 3), | |
540 | SENSOR_ATTR(in4_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 4), | |
541 | SENSOR_ATTR(in5_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 5), | |
542 | SENSOR_ATTR(in6_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 6), | |
543 | SENSOR_ATTR(in7_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 7), | |
544 | SENSOR_ATTR(in8_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 8), | |
545 | SENSOR_ATTR(in9_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 9), | |
546 | SENSOR_ATTR(in10_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 10), | |
547 | }; | |
548 | ||
941c5c05 JC |
549 | #define VIN_UNIT_ATTRS(X) \ |
550 | &in_input[X].dev_attr.attr, \ | |
551 | &in_status[X].dev_attr.attr, \ | |
552 | &in_min[X].dev_attr.attr, \ | |
492e9657 JC |
553 | &in_max[X].dev_attr.attr, \ |
554 | &in_min_alarm[X].dev_attr.attr, \ | |
555 | &in_max_alarm[X].dev_attr.attr | |
941c5c05 | 556 | |
44646c19 JC |
557 | static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf) |
558 | { | |
559 | struct pc87360_data *data = pc87360_update_device(dev); | |
560 | return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm)); | |
561 | } | |
562 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); | |
563 | ||
564 | static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf) | |
565 | { | |
90d6619a | 566 | struct pc87360_data *data = dev_get_drvdata(dev); |
44646c19 JC |
567 | return sprintf(buf, "%u\n", data->vrm); |
568 | } | |
569 | static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) | |
570 | { | |
f641b588 | 571 | struct pc87360_data *data = dev_get_drvdata(dev); |
44646c19 JC |
572 | data->vrm = simple_strtoul(buf, NULL, 10); |
573 | return count; | |
574 | } | |
575 | static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm); | |
576 | ||
577 | static ssize_t show_in_alarms(struct device *dev, struct device_attribute *attr, char *buf) | |
578 | { | |
579 | struct pc87360_data *data = pc87360_update_device(dev); | |
580 | return sprintf(buf, "%u\n", data->in_alarms); | |
581 | } | |
582 | static DEVICE_ATTR(alarms_in, S_IRUGO, show_in_alarms, NULL); | |
583 | ||
941c5c05 JC |
584 | static struct attribute *pc8736x_vin_attr_array[] = { |
585 | VIN_UNIT_ATTRS(0), | |
586 | VIN_UNIT_ATTRS(1), | |
587 | VIN_UNIT_ATTRS(2), | |
588 | VIN_UNIT_ATTRS(3), | |
589 | VIN_UNIT_ATTRS(4), | |
590 | VIN_UNIT_ATTRS(5), | |
591 | VIN_UNIT_ATTRS(6), | |
592 | VIN_UNIT_ATTRS(7), | |
593 | VIN_UNIT_ATTRS(8), | |
594 | VIN_UNIT_ATTRS(9), | |
595 | VIN_UNIT_ATTRS(10), | |
596 | &dev_attr_cpu0_vid.attr, | |
597 | &dev_attr_vrm.attr, | |
598 | &dev_attr_alarms_in.attr, | |
599 | NULL | |
600 | }; | |
601 | static const struct attribute_group pc8736x_vin_group = { | |
602 | .attrs = pc8736x_vin_attr_array, | |
603 | }; | |
604 | ||
f0986bd8 JC |
605 | static ssize_t show_therm_input(struct device *dev, struct device_attribute *devattr, char *buf) |
606 | { | |
607 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
608 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 609 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index], |
f0986bd8 JC |
610 | data->in_vref)); |
611 | } | |
612 | static ssize_t show_therm_min(struct device *dev, struct device_attribute *devattr, char *buf) | |
613 | { | |
614 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
615 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 616 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index], |
f0986bd8 JC |
617 | data->in_vref)); |
618 | } | |
619 | static ssize_t show_therm_max(struct device *dev, struct device_attribute *devattr, char *buf) | |
620 | { | |
621 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
622 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 623 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index], |
f0986bd8 JC |
624 | data->in_vref)); |
625 | } | |
626 | static ssize_t show_therm_crit(struct device *dev, struct device_attribute *devattr, char *buf) | |
627 | { | |
628 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
629 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 630 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_crit[attr->index-11], |
f0986bd8 JC |
631 | data->in_vref)); |
632 | } | |
633 | static ssize_t show_therm_status(struct device *dev, struct device_attribute *devattr, char *buf) | |
634 | { | |
635 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
636 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 637 | return sprintf(buf, "%u\n", data->in_status[attr->index]); |
f0986bd8 JC |
638 | } |
639 | static ssize_t set_therm_min(struct device *dev, struct device_attribute *devattr, const char *buf, | |
640 | size_t count) | |
641 | { | |
642 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 643 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
644 | long val = simple_strtol(buf, NULL, 10); |
645 | ||
9a61bf63 | 646 | mutex_lock(&data->update_lock); |
694fa056 JC |
647 | data->in_min[attr->index] = IN_TO_REG(val, data->in_vref); |
648 | pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MIN, | |
649 | data->in_min[attr->index]); | |
9a61bf63 | 650 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
651 | return count; |
652 | } | |
653 | static ssize_t set_therm_max(struct device *dev, struct device_attribute *devattr, const char *buf, | |
654 | size_t count) | |
655 | { | |
656 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 657 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
658 | long val = simple_strtol(buf, NULL, 10); |
659 | ||
9a61bf63 | 660 | mutex_lock(&data->update_lock); |
694fa056 JC |
661 | data->in_max[attr->index] = IN_TO_REG(val, data->in_vref); |
662 | pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MAX, | |
663 | data->in_max[attr->index]); | |
9a61bf63 | 664 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
665 | return count; |
666 | } | |
667 | static ssize_t set_therm_crit(struct device *dev, struct device_attribute *devattr, const char *buf, | |
668 | size_t count) | |
669 | { | |
670 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 671 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
672 | long val = simple_strtol(buf, NULL, 10); |
673 | ||
9a61bf63 | 674 | mutex_lock(&data->update_lock); |
694fa056 JC |
675 | data->in_crit[attr->index-11] = IN_TO_REG(val, data->in_vref); |
676 | pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_CRIT, | |
677 | data->in_crit[attr->index-11]); | |
9a61bf63 | 678 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
679 | return count; |
680 | } | |
681 | ||
dedc6a78 JC |
682 | /* the +11 term below reflects the fact that VLM units 11,12,13 are |
683 | used in the chip to measure voltage across the thermistors | |
684 | */ | |
685 | static struct sensor_device_attribute therm_input[] = { | |
686 | SENSOR_ATTR(temp4_input, S_IRUGO, show_therm_input, NULL, 0+11), | |
687 | SENSOR_ATTR(temp5_input, S_IRUGO, show_therm_input, NULL, 1+11), | |
688 | SENSOR_ATTR(temp6_input, S_IRUGO, show_therm_input, NULL, 2+11), | |
689 | }; | |
690 | static struct sensor_device_attribute therm_status[] = { | |
691 | SENSOR_ATTR(temp4_status, S_IRUGO, show_therm_status, NULL, 0+11), | |
692 | SENSOR_ATTR(temp5_status, S_IRUGO, show_therm_status, NULL, 1+11), | |
693 | SENSOR_ATTR(temp6_status, S_IRUGO, show_therm_status, NULL, 2+11), | |
694 | }; | |
695 | static struct sensor_device_attribute therm_min[] = { | |
696 | SENSOR_ATTR(temp4_min, S_IRUGO | S_IWUSR, | |
697 | show_therm_min, set_therm_min, 0+11), | |
698 | SENSOR_ATTR(temp5_min, S_IRUGO | S_IWUSR, | |
699 | show_therm_min, set_therm_min, 1+11), | |
700 | SENSOR_ATTR(temp6_min, S_IRUGO | S_IWUSR, | |
701 | show_therm_min, set_therm_min, 2+11), | |
702 | }; | |
703 | static struct sensor_device_attribute therm_max[] = { | |
704 | SENSOR_ATTR(temp4_max, S_IRUGO | S_IWUSR, | |
705 | show_therm_max, set_therm_max, 0+11), | |
706 | SENSOR_ATTR(temp5_max, S_IRUGO | S_IWUSR, | |
707 | show_therm_max, set_therm_max, 1+11), | |
708 | SENSOR_ATTR(temp6_max, S_IRUGO | S_IWUSR, | |
709 | show_therm_max, set_therm_max, 2+11), | |
710 | }; | |
711 | static struct sensor_device_attribute therm_crit[] = { | |
712 | SENSOR_ATTR(temp4_crit, S_IRUGO | S_IWUSR, | |
713 | show_therm_crit, set_therm_crit, 0+11), | |
714 | SENSOR_ATTR(temp5_crit, S_IRUGO | S_IWUSR, | |
715 | show_therm_crit, set_therm_crit, 1+11), | |
716 | SENSOR_ATTR(temp6_crit, S_IRUGO | S_IWUSR, | |
717 | show_therm_crit, set_therm_crit, 2+11), | |
718 | }; | |
1da177e4 | 719 | |
865c2953 JC |
720 | /* show_therm_min/max_alarm() reads data from the per-channel voltage |
721 | status register (sec 11.5.12) */ | |
722 | ||
723 | static ssize_t show_therm_min_alarm(struct device *dev, | |
724 | struct device_attribute *devattr, char *buf) | |
725 | { | |
726 | struct pc87360_data *data = pc87360_update_device(dev); | |
727 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
728 | ||
729 | return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MIN)); | |
730 | } | |
731 | static ssize_t show_therm_max_alarm(struct device *dev, | |
732 | struct device_attribute *devattr, char *buf) | |
733 | { | |
734 | struct pc87360_data *data = pc87360_update_device(dev); | |
735 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
736 | ||
737 | return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MAX)); | |
738 | } | |
739 | static ssize_t show_therm_crit_alarm(struct device *dev, | |
740 | struct device_attribute *devattr, char *buf) | |
741 | { | |
742 | struct pc87360_data *data = pc87360_update_device(dev); | |
743 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
744 | ||
745 | return sprintf(buf, "%u\n", !!(data->in_status[nr] & TEMP_ALM_CRIT)); | |
746 | } | |
747 | ||
748 | static struct sensor_device_attribute therm_min_alarm[] = { | |
749 | SENSOR_ATTR(temp4_min_alarm, S_IRUGO, | |
750 | show_therm_min_alarm, NULL, 0+11), | |
751 | SENSOR_ATTR(temp5_min_alarm, S_IRUGO, | |
752 | show_therm_min_alarm, NULL, 1+11), | |
753 | SENSOR_ATTR(temp6_min_alarm, S_IRUGO, | |
754 | show_therm_min_alarm, NULL, 2+11), | |
755 | }; | |
756 | static struct sensor_device_attribute therm_max_alarm[] = { | |
757 | SENSOR_ATTR(temp4_max_alarm, S_IRUGO, | |
758 | show_therm_max_alarm, NULL, 0+11), | |
759 | SENSOR_ATTR(temp5_max_alarm, S_IRUGO, | |
760 | show_therm_max_alarm, NULL, 1+11), | |
761 | SENSOR_ATTR(temp6_max_alarm, S_IRUGO, | |
762 | show_therm_max_alarm, NULL, 2+11), | |
763 | }; | |
764 | static struct sensor_device_attribute therm_crit_alarm[] = { | |
765 | SENSOR_ATTR(temp4_crit_alarm, S_IRUGO, | |
766 | show_therm_crit_alarm, NULL, 0+11), | |
767 | SENSOR_ATTR(temp5_crit_alarm, S_IRUGO, | |
768 | show_therm_crit_alarm, NULL, 1+11), | |
769 | SENSOR_ATTR(temp6_crit_alarm, S_IRUGO, | |
770 | show_therm_crit_alarm, NULL, 2+11), | |
771 | }; | |
772 | ||
941c5c05 JC |
773 | #define THERM_UNIT_ATTRS(X) \ |
774 | &therm_input[X].dev_attr.attr, \ | |
775 | &therm_status[X].dev_attr.attr, \ | |
776 | &therm_min[X].dev_attr.attr, \ | |
777 | &therm_max[X].dev_attr.attr, \ | |
865c2953 JC |
778 | &therm_crit[X].dev_attr.attr, \ |
779 | &therm_min_alarm[X].dev_attr.attr, \ | |
780 | &therm_max_alarm[X].dev_attr.attr, \ | |
781 | &therm_crit_alarm[X].dev_attr.attr | |
941c5c05 JC |
782 | |
783 | static struct attribute * pc8736x_therm_attr_array[] = { | |
784 | THERM_UNIT_ATTRS(0), | |
785 | THERM_UNIT_ATTRS(1), | |
786 | THERM_UNIT_ATTRS(2), | |
787 | NULL | |
788 | }; | |
789 | static const struct attribute_group pc8736x_therm_group = { | |
790 | .attrs = pc8736x_therm_attr_array, | |
791 | }; | |
792 | ||
f0986bd8 JC |
793 | static ssize_t show_temp_input(struct device *dev, struct device_attribute *devattr, char *buf) |
794 | { | |
795 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
796 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 797 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index])); |
f0986bd8 JC |
798 | } |
799 | static ssize_t show_temp_min(struct device *dev, struct device_attribute *devattr, char *buf) | |
800 | { | |
801 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
802 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 803 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[attr->index])); |
f0986bd8 JC |
804 | } |
805 | static ssize_t show_temp_max(struct device *dev, struct device_attribute *devattr, char *buf) | |
806 | { | |
807 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
808 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 809 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[attr->index])); |
f0986bd8 JC |
810 | } |
811 | static ssize_t show_temp_crit(struct device *dev, struct device_attribute *devattr, char *buf) | |
812 | { | |
813 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
814 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 815 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[attr->index])); |
f0986bd8 JC |
816 | } |
817 | static ssize_t show_temp_status(struct device *dev, struct device_attribute *devattr, char *buf) | |
818 | { | |
819 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
820 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 821 | return sprintf(buf, "%d\n", data->temp_status[attr->index]); |
f0986bd8 JC |
822 | } |
823 | static ssize_t set_temp_min(struct device *dev, struct device_attribute *devattr, const char *buf, | |
824 | size_t count) | |
825 | { | |
826 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 827 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
828 | long val = simple_strtol(buf, NULL, 10); |
829 | ||
9a61bf63 | 830 | mutex_lock(&data->update_lock); |
694fa056 JC |
831 | data->temp_min[attr->index] = TEMP_TO_REG(val); |
832 | pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MIN, | |
833 | data->temp_min[attr->index]); | |
9a61bf63 | 834 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
835 | return count; |
836 | } | |
837 | static ssize_t set_temp_max(struct device *dev, struct device_attribute *devattr, const char *buf, | |
838 | size_t count) | |
839 | { | |
840 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 841 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
842 | long val = simple_strtol(buf, NULL, 10); |
843 | ||
9a61bf63 | 844 | mutex_lock(&data->update_lock); |
694fa056 JC |
845 | data->temp_max[attr->index] = TEMP_TO_REG(val); |
846 | pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MAX, | |
847 | data->temp_max[attr->index]); | |
9a61bf63 | 848 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
849 | return count; |
850 | } | |
851 | static ssize_t set_temp_crit(struct device *dev, struct device_attribute *devattr, const char *buf, | |
852 | size_t count) | |
853 | { | |
854 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 855 | struct pc87360_data *data = dev_get_drvdata(dev); |
f0986bd8 JC |
856 | long val = simple_strtol(buf, NULL, 10); |
857 | ||
9a61bf63 | 858 | mutex_lock(&data->update_lock); |
694fa056 JC |
859 | data->temp_crit[attr->index] = TEMP_TO_REG(val); |
860 | pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_CRIT, | |
861 | data->temp_crit[attr->index]); | |
9a61bf63 | 862 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
863 | return count; |
864 | } | |
865 | ||
dedc6a78 JC |
866 | static struct sensor_device_attribute temp_input[] = { |
867 | SENSOR_ATTR(temp1_input, S_IRUGO, show_temp_input, NULL, 0), | |
868 | SENSOR_ATTR(temp2_input, S_IRUGO, show_temp_input, NULL, 1), | |
869 | SENSOR_ATTR(temp3_input, S_IRUGO, show_temp_input, NULL, 2), | |
870 | }; | |
871 | static struct sensor_device_attribute temp_status[] = { | |
872 | SENSOR_ATTR(temp1_status, S_IRUGO, show_temp_status, NULL, 0), | |
873 | SENSOR_ATTR(temp2_status, S_IRUGO, show_temp_status, NULL, 1), | |
874 | SENSOR_ATTR(temp3_status, S_IRUGO, show_temp_status, NULL, 2), | |
875 | }; | |
876 | static struct sensor_device_attribute temp_min[] = { | |
877 | SENSOR_ATTR(temp1_min, S_IRUGO | S_IWUSR, | |
878 | show_temp_min, set_temp_min, 0), | |
879 | SENSOR_ATTR(temp2_min, S_IRUGO | S_IWUSR, | |
880 | show_temp_min, set_temp_min, 1), | |
881 | SENSOR_ATTR(temp3_min, S_IRUGO | S_IWUSR, | |
882 | show_temp_min, set_temp_min, 2), | |
883 | }; | |
884 | static struct sensor_device_attribute temp_max[] = { | |
885 | SENSOR_ATTR(temp1_max, S_IRUGO | S_IWUSR, | |
886 | show_temp_max, set_temp_max, 0), | |
887 | SENSOR_ATTR(temp2_max, S_IRUGO | S_IWUSR, | |
888 | show_temp_max, set_temp_max, 1), | |
889 | SENSOR_ATTR(temp3_max, S_IRUGO | S_IWUSR, | |
890 | show_temp_max, set_temp_max, 2), | |
891 | }; | |
892 | static struct sensor_device_attribute temp_crit[] = { | |
893 | SENSOR_ATTR(temp1_crit, S_IRUGO | S_IWUSR, | |
894 | show_temp_crit, set_temp_crit, 0), | |
895 | SENSOR_ATTR(temp2_crit, S_IRUGO | S_IWUSR, | |
896 | show_temp_crit, set_temp_crit, 1), | |
897 | SENSOR_ATTR(temp3_crit, S_IRUGO | S_IWUSR, | |
898 | show_temp_crit, set_temp_crit, 2), | |
899 | }; | |
1da177e4 | 900 | |
a5099cfc | 901 | static ssize_t show_temp_alarms(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
902 | { |
903 | struct pc87360_data *data = pc87360_update_device(dev); | |
904 | return sprintf(buf, "%u\n", data->temp_alarms); | |
905 | } | |
906 | static DEVICE_ATTR(alarms_temp, S_IRUGO, show_temp_alarms, NULL); | |
907 | ||
b267e8cd JC |
908 | /* show_temp_min/max_alarm() reads data from the per-channel status |
909 | register (sec 12.3.7), not the temp event status registers (sec | |
910 | 12.3.2) that show_temp_alarm() reads (via data->temp_alarms) */ | |
911 | ||
912 | static ssize_t show_temp_min_alarm(struct device *dev, | |
913 | struct device_attribute *devattr, char *buf) | |
914 | { | |
915 | struct pc87360_data *data = pc87360_update_device(dev); | |
916 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
917 | ||
918 | return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MIN)); | |
919 | } | |
920 | static ssize_t show_temp_max_alarm(struct device *dev, | |
921 | struct device_attribute *devattr, char *buf) | |
922 | { | |
923 | struct pc87360_data *data = pc87360_update_device(dev); | |
924 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
925 | ||
926 | return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MAX)); | |
927 | } | |
928 | static ssize_t show_temp_crit_alarm(struct device *dev, | |
929 | struct device_attribute *devattr, char *buf) | |
930 | { | |
931 | struct pc87360_data *data = pc87360_update_device(dev); | |
932 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
933 | ||
934 | return sprintf(buf, "%u\n", !!(data->temp_status[nr] & TEMP_ALM_CRIT)); | |
935 | } | |
936 | ||
937 | static struct sensor_device_attribute temp_min_alarm[] = { | |
938 | SENSOR_ATTR(temp1_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 0), | |
939 | SENSOR_ATTR(temp2_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 1), | |
940 | SENSOR_ATTR(temp3_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 2), | |
941 | }; | |
942 | static struct sensor_device_attribute temp_max_alarm[] = { | |
943 | SENSOR_ATTR(temp1_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 0), | |
944 | SENSOR_ATTR(temp2_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 1), | |
945 | SENSOR_ATTR(temp3_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 2), | |
946 | }; | |
947 | static struct sensor_device_attribute temp_crit_alarm[] = { | |
948 | SENSOR_ATTR(temp1_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 0), | |
949 | SENSOR_ATTR(temp2_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 1), | |
950 | SENSOR_ATTR(temp3_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 2), | |
951 | }; | |
952 | ||
953 | #define TEMP_FAULT 0x40 /* open diode */ | |
954 | static ssize_t show_temp_fault(struct device *dev, | |
955 | struct device_attribute *devattr, char *buf) | |
956 | { | |
957 | struct pc87360_data *data = pc87360_update_device(dev); | |
958 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
959 | ||
960 | return sprintf(buf, "%u\n", !!(data->temp_status[nr] & TEMP_FAULT)); | |
961 | } | |
962 | static struct sensor_device_attribute temp_fault[] = { | |
963 | SENSOR_ATTR(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0), | |
964 | SENSOR_ATTR(temp2_fault, S_IRUGO, show_temp_fault, NULL, 1), | |
965 | SENSOR_ATTR(temp3_fault, S_IRUGO, show_temp_fault, NULL, 2), | |
966 | }; | |
967 | ||
941c5c05 JC |
968 | #define TEMP_UNIT_ATTRS(X) \ |
969 | &temp_input[X].dev_attr.attr, \ | |
970 | &temp_status[X].dev_attr.attr, \ | |
971 | &temp_min[X].dev_attr.attr, \ | |
972 | &temp_max[X].dev_attr.attr, \ | |
b267e8cd JC |
973 | &temp_crit[X].dev_attr.attr, \ |
974 | &temp_min_alarm[X].dev_attr.attr, \ | |
975 | &temp_max_alarm[X].dev_attr.attr, \ | |
976 | &temp_crit_alarm[X].dev_attr.attr, \ | |
977 | &temp_fault[X].dev_attr.attr | |
941c5c05 JC |
978 | |
979 | static struct attribute * pc8736x_temp_attr_array[] = { | |
980 | TEMP_UNIT_ATTRS(0), | |
981 | TEMP_UNIT_ATTRS(1), | |
982 | TEMP_UNIT_ATTRS(2), | |
983 | /* include the few miscellaneous atts here */ | |
984 | &dev_attr_alarms_temp.attr, | |
985 | NULL | |
986 | }; | |
987 | static const struct attribute_group pc8736x_temp_group = { | |
988 | .attrs = pc8736x_temp_attr_array, | |
989 | }; | |
990 | ||
b267e8cd JC |
991 | static ssize_t show_name(struct device *dev, |
992 | struct device_attribute *devattr, char *buf) | |
f641b588 JD |
993 | { |
994 | struct pc87360_data *data = dev_get_drvdata(dev); | |
995 | return sprintf(buf, "%s\n", data->name); | |
996 | } | |
997 | static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); | |
998 | ||
1da177e4 LT |
999 | /* |
1000 | * Device detection, registration and update | |
1001 | */ | |
1002 | ||
e6cfb3ad | 1003 | static int __init pc87360_find(int sioaddr, u8 *devid, unsigned short *addresses) |
1da177e4 LT |
1004 | { |
1005 | u16 val; | |
1006 | int i; | |
1007 | int nrdev; /* logical device count */ | |
1008 | ||
1009 | /* No superio_enter */ | |
1010 | ||
1011 | /* Identify device */ | |
67b671bc | 1012 | val = force_id ? force_id : superio_inb(sioaddr, DEVID); |
1da177e4 LT |
1013 | switch (val) { |
1014 | case 0xE1: /* PC87360 */ | |
1015 | case 0xE8: /* PC87363 */ | |
1016 | case 0xE4: /* PC87364 */ | |
1017 | nrdev = 1; | |
1018 | break; | |
1019 | case 0xE5: /* PC87365 */ | |
1020 | case 0xE9: /* PC87366 */ | |
1021 | nrdev = 3; | |
1022 | break; | |
1023 | default: | |
1024 | superio_exit(sioaddr); | |
1025 | return -ENODEV; | |
1026 | } | |
1027 | /* Remember the device id */ | |
1028 | *devid = val; | |
1029 | ||
1030 | for (i = 0; i < nrdev; i++) { | |
1031 | /* select logical device */ | |
1032 | superio_outb(sioaddr, DEV, logdev[i]); | |
1033 | ||
1034 | val = superio_inb(sioaddr, ACT); | |
1035 | if (!(val & 0x01)) { | |
9e991c6f | 1036 | pr_info("Device 0x%02x not activated\n", logdev[i]); |
1da177e4 LT |
1037 | continue; |
1038 | } | |
1039 | ||
1040 | val = (superio_inb(sioaddr, BASE) << 8) | |
1041 | | superio_inb(sioaddr, BASE + 1); | |
1042 | if (!val) { | |
9e991c6f JP |
1043 | pr_info("Base address not set for device 0x%02x\n", |
1044 | logdev[i]); | |
1da177e4 LT |
1045 | continue; |
1046 | } | |
1047 | ||
2d8672c5 | 1048 | addresses[i] = val; |
1da177e4 LT |
1049 | |
1050 | if (i==0) { /* Fans */ | |
1051 | confreg[0] = superio_inb(sioaddr, 0xF0); | |
1052 | confreg[1] = superio_inb(sioaddr, 0xF1); | |
1053 | ||
9e991c6f JP |
1054 | pr_debug("Fan %d: mon=%d ctrl=%d inv=%d\n", 1, |
1055 | (confreg[0] >> 2) & 1, (confreg[0] >> 3) & 1, | |
1056 | (confreg[0] >> 4) & 1); | |
1057 | pr_debug("Fan %d: mon=%d ctrl=%d inv=%d\n", 2, | |
1058 | (confreg[0] >> 5) & 1, (confreg[0] >> 6) & 1, | |
1059 | (confreg[0] >> 7) & 1); | |
1060 | pr_debug("Fan %d: mon=%d ctrl=%d inv=%d\n", 3, | |
1061 | confreg[1] & 1, (confreg[1] >> 1) & 1, | |
1062 | (confreg[1] >> 2) & 1); | |
1da177e4 LT |
1063 | } else if (i==1) { /* Voltages */ |
1064 | /* Are we using thermistors? */ | |
1065 | if (*devid == 0xE9) { /* PC87366 */ | |
1066 | /* These registers are not logical-device | |
1067 | specific, just that we won't need them if | |
1068 | we don't use the VLM device */ | |
1069 | confreg[2] = superio_inb(sioaddr, 0x2B); | |
1070 | confreg[3] = superio_inb(sioaddr, 0x25); | |
1071 | ||
1072 | if (confreg[2] & 0x40) { | |
9e991c6f JP |
1073 | pr_info("Using thermistors for " |
1074 | "temperature monitoring\n"); | |
1da177e4 LT |
1075 | } |
1076 | if (confreg[3] & 0xE0) { | |
9e991c6f JP |
1077 | pr_info("VID inputs routed (mode %u)\n", |
1078 | confreg[3] >> 5); | |
1da177e4 LT |
1079 | } |
1080 | } | |
1081 | } | |
1082 | } | |
1083 | ||
1084 | superio_exit(sioaddr); | |
1085 | return 0; | |
1086 | } | |
1087 | ||
f641b588 | 1088 | static int __devinit pc87360_probe(struct platform_device *pdev) |
1da177e4 LT |
1089 | { |
1090 | int i; | |
1da177e4 LT |
1091 | struct pc87360_data *data; |
1092 | int err = 0; | |
1093 | const char *name = "pc87360"; | |
1094 | int use_thermistors = 0; | |
f641b588 | 1095 | struct device *dev = &pdev->dev; |
1da177e4 | 1096 | |
ba9c2e8d | 1097 | if (!(data = kzalloc(sizeof(struct pc87360_data), GFP_KERNEL))) |
1da177e4 | 1098 | return -ENOMEM; |
1da177e4 | 1099 | |
1da177e4 LT |
1100 | data->fannr = 2; |
1101 | data->innr = 0; | |
1102 | data->tempnr = 0; | |
1103 | ||
1104 | switch (devid) { | |
1105 | case 0xe8: | |
1106 | name = "pc87363"; | |
1107 | break; | |
1108 | case 0xe4: | |
1109 | name = "pc87364"; | |
1110 | data->fannr = 3; | |
1111 | break; | |
1112 | case 0xe5: | |
1113 | name = "pc87365"; | |
1114 | data->fannr = extra_isa[0] ? 3 : 0; | |
1115 | data->innr = extra_isa[1] ? 11 : 0; | |
1116 | data->tempnr = extra_isa[2] ? 2 : 0; | |
1117 | break; | |
1118 | case 0xe9: | |
1119 | name = "pc87366"; | |
1120 | data->fannr = extra_isa[0] ? 3 : 0; | |
1121 | data->innr = extra_isa[1] ? 14 : 0; | |
1122 | data->tempnr = extra_isa[2] ? 3 : 0; | |
1123 | break; | |
1124 | } | |
1125 | ||
f641b588 | 1126 | data->name = name; |
1da177e4 | 1127 | data->valid = 0; |
f641b588 | 1128 | mutex_init(&data->lock); |
9a61bf63 | 1129 | mutex_init(&data->update_lock); |
f641b588 | 1130 | platform_set_drvdata(pdev, data); |
1da177e4 | 1131 | |
2a32ec25 | 1132 | for (i = 0; i < LDNI_MAX; i++) { |
1da177e4 LT |
1133 | if (((data->address[i] = extra_isa[i])) |
1134 | && !request_region(extra_isa[i], PC87360_EXTENT, | |
cdaf7934 | 1135 | pc87360_driver.driver.name)) { |
f641b588 | 1136 | dev_err(dev, "Region 0x%x-0x%x already " |
1da177e4 LT |
1137 | "in use!\n", extra_isa[i], |
1138 | extra_isa[i]+PC87360_EXTENT-1); | |
1139 | for (i--; i >= 0; i--) | |
1140 | release_region(extra_isa[i], PC87360_EXTENT); | |
1141 | err = -EBUSY; | |
1142 | goto ERROR1; | |
1143 | } | |
1144 | } | |
1145 | ||
1146 | /* Retrieve the fans configuration from Super-I/O space */ | |
1147 | if (data->fannr) | |
1148 | data->fan_conf = confreg[0] | (confreg[1] << 8); | |
1149 | ||
1da177e4 LT |
1150 | /* Use the correct reference voltage |
1151 | Unless both the VLM and the TMS logical devices agree to | |
1152 | use an external Vref, the internal one is used. */ | |
1153 | if (data->innr) { | |
1154 | i = pc87360_read_value(data, LD_IN, NO_BANK, | |
1155 | PC87365_REG_IN_CONFIG); | |
1156 | if (data->tempnr) { | |
1157 | i &= pc87360_read_value(data, LD_TEMP, NO_BANK, | |
1158 | PC87365_REG_TEMP_CONFIG); | |
1159 | } | |
1160 | data->in_vref = (i&0x02) ? 3025 : 2966; | |
f641b588 | 1161 | dev_dbg(dev, "Using %s reference voltage\n", |
1da177e4 LT |
1162 | (i&0x02) ? "external" : "internal"); |
1163 | ||
1164 | data->vid_conf = confreg[3]; | |
3d7f9a86 | 1165 | data->vrm = vid_which_vrm(); |
1da177e4 LT |
1166 | } |
1167 | ||
1168 | /* Fan clock dividers may be needed before any data is read */ | |
1169 | for (i = 0; i < data->fannr; i++) { | |
1170 | if (FAN_CONFIG_MONITOR(data->fan_conf, i)) | |
1171 | data->fan_status[i] = pc87360_read_value(data, | |
1172 | LD_FAN, NO_BANK, | |
1173 | PC87360_REG_FAN_STATUS(i)); | |
1174 | } | |
1175 | ||
1176 | if (init > 0) { | |
1177 | if (devid == 0xe9 && data->address[1]) /* PC87366 */ | |
1178 | use_thermistors = confreg[2] & 0x40; | |
1179 | ||
f641b588 | 1180 | pc87360_init_device(pdev, use_thermistors); |
1da177e4 LT |
1181 | } |
1182 | ||
f3722d5b JC |
1183 | /* Register all-or-nothing sysfs groups */ |
1184 | ||
1185 | if (data->innr && | |
f641b588 | 1186 | (err = sysfs_create_group(&dev->kobj, |
f3722d5b | 1187 | &pc8736x_vin_group))) |
943b0830 | 1188 | goto ERROR3; |
943b0830 | 1189 | |
f3722d5b | 1190 | if (data->innr == 14 && |
f641b588 | 1191 | (err = sysfs_create_group(&dev->kobj, |
f3722d5b JC |
1192 | &pc8736x_therm_group))) |
1193 | goto ERROR3; | |
1194 | ||
1195 | /* create device attr-files for varying sysfs groups */ | |
1da177e4 LT |
1196 | |
1197 | if (data->tempnr) { | |
dedc6a78 | 1198 | for (i = 0; i < data->tempnr; i++) { |
f3722d5b JC |
1199 | if ((err = device_create_file(dev, |
1200 | &temp_input[i].dev_attr)) | |
1201 | || (err = device_create_file(dev, | |
1202 | &temp_min[i].dev_attr)) | |
1203 | || (err = device_create_file(dev, | |
1204 | &temp_max[i].dev_attr)) | |
1205 | || (err = device_create_file(dev, | |
1206 | &temp_crit[i].dev_attr)) | |
1207 | || (err = device_create_file(dev, | |
b267e8cd JC |
1208 | &temp_status[i].dev_attr)) |
1209 | || (err = device_create_file(dev, | |
1210 | &temp_min_alarm[i].dev_attr)) | |
1211 | || (err = device_create_file(dev, | |
1212 | &temp_max_alarm[i].dev_attr)) | |
1213 | || (err = device_create_file(dev, | |
1214 | &temp_crit_alarm[i].dev_attr)) | |
1215 | || (err = device_create_file(dev, | |
1216 | &temp_fault[i].dev_attr))) | |
f3722d5b | 1217 | goto ERROR3; |
1da177e4 | 1218 | } |
f3722d5b JC |
1219 | if ((err = device_create_file(dev, &dev_attr_alarms_temp))) |
1220 | goto ERROR3; | |
1da177e4 | 1221 | } |
1da177e4 | 1222 | |
dedc6a78 | 1223 | for (i = 0; i < data->fannr; i++) { |
f3722d5b JC |
1224 | if (FAN_CONFIG_MONITOR(data->fan_conf, i) |
1225 | && ((err = device_create_file(dev, | |
1226 | &fan_input[i].dev_attr)) | |
1227 | || (err = device_create_file(dev, | |
1228 | &fan_min[i].dev_attr)) | |
1229 | || (err = device_create_file(dev, | |
1230 | &fan_div[i].dev_attr)) | |
1231 | || (err = device_create_file(dev, | |
1232 | &fan_status[i].dev_attr)))) | |
1233 | goto ERROR3; | |
1234 | ||
1235 | if (FAN_CONFIG_CONTROL(data->fan_conf, i) | |
1236 | && (err = device_create_file(dev, &pwm[i].dev_attr))) | |
1237 | goto ERROR3; | |
1da177e4 LT |
1238 | } |
1239 | ||
f641b588 JD |
1240 | if ((err = device_create_file(dev, &dev_attr_name))) |
1241 | goto ERROR3; | |
1242 | ||
1beeffe4 TJ |
1243 | data->hwmon_dev = hwmon_device_register(dev); |
1244 | if (IS_ERR(data->hwmon_dev)) { | |
1245 | err = PTR_ERR(data->hwmon_dev); | |
f3722d5b JC |
1246 | goto ERROR3; |
1247 | } | |
1da177e4 LT |
1248 | return 0; |
1249 | ||
943b0830 | 1250 | ERROR3: |
f641b588 | 1251 | device_remove_file(dev, &dev_attr_name); |
f3722d5b | 1252 | /* can still remove groups whose members were added individually */ |
f641b588 JD |
1253 | sysfs_remove_group(&dev->kobj, &pc8736x_temp_group); |
1254 | sysfs_remove_group(&dev->kobj, &pc8736x_fan_group); | |
1255 | sysfs_remove_group(&dev->kobj, &pc8736x_therm_group); | |
1256 | sysfs_remove_group(&dev->kobj, &pc8736x_vin_group); | |
1da177e4 LT |
1257 | for (i = 0; i < 3; i++) { |
1258 | if (data->address[i]) { | |
1259 | release_region(data->address[i], PC87360_EXTENT); | |
1260 | } | |
1261 | } | |
1262 | ERROR1: | |
1263 | kfree(data); | |
1264 | return err; | |
1265 | } | |
1266 | ||
f641b588 | 1267 | static int __devexit pc87360_remove(struct platform_device *pdev) |
1da177e4 | 1268 | { |
f641b588 | 1269 | struct pc87360_data *data = platform_get_drvdata(pdev); |
1da177e4 LT |
1270 | int i; |
1271 | ||
1beeffe4 | 1272 | hwmon_device_unregister(data->hwmon_dev); |
943b0830 | 1273 | |
f641b588 JD |
1274 | device_remove_file(&pdev->dev, &dev_attr_name); |
1275 | sysfs_remove_group(&pdev->dev.kobj, &pc8736x_temp_group); | |
1276 | sysfs_remove_group(&pdev->dev.kobj, &pc8736x_fan_group); | |
1277 | sysfs_remove_group(&pdev->dev.kobj, &pc8736x_therm_group); | |
1278 | sysfs_remove_group(&pdev->dev.kobj, &pc8736x_vin_group); | |
1da177e4 LT |
1279 | |
1280 | for (i = 0; i < 3; i++) { | |
1281 | if (data->address[i]) { | |
1282 | release_region(data->address[i], PC87360_EXTENT); | |
1283 | } | |
1284 | } | |
1285 | kfree(data); | |
1286 | ||
1287 | return 0; | |
1288 | } | |
1289 | ||
1290 | /* ldi is the logical device index | |
1291 | bank is for voltages and temperatures only */ | |
1292 | static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank, | |
1293 | u8 reg) | |
1294 | { | |
1295 | int res; | |
1296 | ||
9a61bf63 | 1297 | mutex_lock(&(data->lock)); |
1da177e4 LT |
1298 | if (bank != NO_BANK) |
1299 | outb_p(bank, data->address[ldi] + PC87365_REG_BANK); | |
1300 | res = inb_p(data->address[ldi] + reg); | |
9a61bf63 | 1301 | mutex_unlock(&(data->lock)); |
1da177e4 LT |
1302 | |
1303 | return res; | |
1304 | } | |
1305 | ||
1306 | static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank, | |
1307 | u8 reg, u8 value) | |
1308 | { | |
9a61bf63 | 1309 | mutex_lock(&(data->lock)); |
1da177e4 LT |
1310 | if (bank != NO_BANK) |
1311 | outb_p(bank, data->address[ldi] + PC87365_REG_BANK); | |
1312 | outb_p(value, data->address[ldi] + reg); | |
9a61bf63 | 1313 | mutex_unlock(&(data->lock)); |
1da177e4 LT |
1314 | } |
1315 | ||
28f74e71 JC |
1316 | /* (temp & vin) channel conversion status register flags (pdf sec.11.5.12) */ |
1317 | #define CHAN_CNVRTD 0x80 /* new data ready */ | |
1318 | #define CHAN_ENA 0x01 /* enabled channel (temp or vin) */ | |
1319 | #define CHAN_ALM_ENA 0x10 /* propagate to alarms-reg ?? (chk val!) */ | |
1320 | #define CHAN_READY (CHAN_ENA|CHAN_CNVRTD) /* sample ready mask */ | |
1321 | ||
b267e8cd JC |
1322 | #define TEMP_OTS_OE 0x20 /* OTS Output Enable */ |
1323 | #define VIN_RW1C_MASK (CHAN_READY|CHAN_ALM_MAX|CHAN_ALM_MIN) /* 0x87 */ | |
1324 | #define TEMP_RW1C_MASK (VIN_RW1C_MASK|TEMP_ALM_CRIT|TEMP_FAULT) /* 0xCF */ | |
1325 | ||
f641b588 JD |
1326 | static void pc87360_init_device(struct platform_device *pdev, |
1327 | int use_thermistors) | |
1da177e4 | 1328 | { |
f641b588 | 1329 | struct pc87360_data *data = platform_get_drvdata(pdev); |
1da177e4 LT |
1330 | int i, nr; |
1331 | const u8 init_in[14] = { 2, 2, 2, 2, 2, 2, 2, 1, 1, 3, 1, 2, 2, 2 }; | |
1332 | const u8 init_temp[3] = { 2, 2, 1 }; | |
1333 | u8 reg; | |
1334 | ||
1335 | if (init >= 2 && data->innr) { | |
1336 | reg = pc87360_read_value(data, LD_IN, NO_BANK, | |
1337 | PC87365_REG_IN_CONVRATE); | |
f641b588 | 1338 | dev_info(&pdev->dev, "VLM conversion set to " |
1da177e4 LT |
1339 | "1s period, 160us delay\n"); |
1340 | pc87360_write_value(data, LD_IN, NO_BANK, | |
1341 | PC87365_REG_IN_CONVRATE, | |
1342 | (reg & 0xC0) | 0x11); | |
1343 | } | |
1344 | ||
1345 | nr = data->innr < 11 ? data->innr : 11; | |
dedc6a78 | 1346 | for (i = 0; i < nr; i++) { |
8ca13674 JC |
1347 | reg = pc87360_read_value(data, LD_IN, i, |
1348 | PC87365_REG_IN_STATUS); | |
1349 | dev_dbg(&pdev->dev, "bios in%d status:0x%02x\n", i, reg); | |
1da177e4 LT |
1350 | if (init >= init_in[i]) { |
1351 | /* Forcibly enable voltage channel */ | |
28f74e71 | 1352 | if (!(reg & CHAN_ENA)) { |
f641b588 | 1353 | dev_dbg(&pdev->dev, "Forcibly " |
1da177e4 LT |
1354 | "enabling in%d\n", i); |
1355 | pc87360_write_value(data, LD_IN, i, | |
1356 | PC87365_REG_IN_STATUS, | |
1357 | (reg & 0x68) | 0x87); | |
1358 | } | |
1359 | } | |
1360 | } | |
1361 | ||
1362 | /* We can't blindly trust the Super-I/O space configuration bit, | |
1363 | most BIOS won't set it properly */ | |
8ca13674 | 1364 | dev_dbg(&pdev->dev, "bios thermistors:%d\n", use_thermistors); |
dedc6a78 | 1365 | for (i = 11; i < data->innr; i++) { |
1da177e4 LT |
1366 | reg = pc87360_read_value(data, LD_IN, i, |
1367 | PC87365_REG_TEMP_STATUS); | |
28f74e71 | 1368 | use_thermistors = use_thermistors || (reg & CHAN_ENA); |
8ca13674 JC |
1369 | /* thermistors are temp[4-6], measured on vin[11-14] */ |
1370 | dev_dbg(&pdev->dev, "bios temp%d_status:0x%02x\n", i-7, reg); | |
1da177e4 | 1371 | } |
8ca13674 | 1372 | dev_dbg(&pdev->dev, "using thermistors:%d\n", use_thermistors); |
1da177e4 LT |
1373 | |
1374 | i = use_thermistors ? 2 : 0; | |
dedc6a78 | 1375 | for (; i < data->tempnr; i++) { |
8ca13674 JC |
1376 | reg = pc87360_read_value(data, LD_TEMP, i, |
1377 | PC87365_REG_TEMP_STATUS); | |
1378 | dev_dbg(&pdev->dev, "bios temp%d_status:0x%02x\n", i+1, reg); | |
1da177e4 LT |
1379 | if (init >= init_temp[i]) { |
1380 | /* Forcibly enable temperature channel */ | |
28f74e71 | 1381 | if (!(reg & CHAN_ENA)) { |
f641b588 | 1382 | dev_dbg(&pdev->dev, "Forcibly " |
1da177e4 LT |
1383 | "enabling temp%d\n", i+1); |
1384 | pc87360_write_value(data, LD_TEMP, i, | |
1385 | PC87365_REG_TEMP_STATUS, | |
1386 | 0xCF); | |
1387 | } | |
1388 | } | |
1389 | } | |
1390 | ||
1391 | if (use_thermistors) { | |
dedc6a78 | 1392 | for (i = 11; i < data->innr; i++) { |
1da177e4 LT |
1393 | if (init >= init_in[i]) { |
1394 | /* The pin may already be used by thermal | |
1395 | diodes */ | |
1396 | reg = pc87360_read_value(data, LD_TEMP, | |
1397 | (i-11)/2, PC87365_REG_TEMP_STATUS); | |
28f74e71 | 1398 | if (reg & CHAN_ENA) { |
f641b588 | 1399 | dev_dbg(&pdev->dev, "Skipping " |
1da177e4 LT |
1400 | "temp%d, pin already in use " |
1401 | "by temp%d\n", i-7, (i-11)/2); | |
1402 | continue; | |
1403 | } | |
1404 | ||
1405 | /* Forcibly enable thermistor channel */ | |
1406 | reg = pc87360_read_value(data, LD_IN, i, | |
1407 | PC87365_REG_IN_STATUS); | |
28f74e71 | 1408 | if (!(reg & CHAN_ENA)) { |
f641b588 | 1409 | dev_dbg(&pdev->dev, "Forcibly " |
1da177e4 LT |
1410 | "enabling temp%d\n", i-7); |
1411 | pc87360_write_value(data, LD_IN, i, | |
1412 | PC87365_REG_TEMP_STATUS, | |
1413 | (reg & 0x60) | 0x8F); | |
1414 | } | |
1415 | } | |
1416 | } | |
1417 | } | |
1418 | ||
1419 | if (data->innr) { | |
1420 | reg = pc87360_read_value(data, LD_IN, NO_BANK, | |
1421 | PC87365_REG_IN_CONFIG); | |
8ca13674 | 1422 | dev_dbg(&pdev->dev, "bios vin-cfg:0x%02x\n", reg); |
28f74e71 | 1423 | if (reg & CHAN_ENA) { |
f641b588 | 1424 | dev_dbg(&pdev->dev, "Forcibly " |
1da177e4 LT |
1425 | "enabling monitoring (VLM)\n"); |
1426 | pc87360_write_value(data, LD_IN, NO_BANK, | |
1427 | PC87365_REG_IN_CONFIG, | |
1428 | reg & 0xFE); | |
1429 | } | |
1430 | } | |
1431 | ||
1432 | if (data->tempnr) { | |
1433 | reg = pc87360_read_value(data, LD_TEMP, NO_BANK, | |
1434 | PC87365_REG_TEMP_CONFIG); | |
8ca13674 | 1435 | dev_dbg(&pdev->dev, "bios temp-cfg:0x%02x\n", reg); |
28f74e71 | 1436 | if (reg & CHAN_ENA) { |
f641b588 | 1437 | dev_dbg(&pdev->dev, "Forcibly enabling " |
1da177e4 LT |
1438 | "monitoring (TMS)\n"); |
1439 | pc87360_write_value(data, LD_TEMP, NO_BANK, | |
1440 | PC87365_REG_TEMP_CONFIG, | |
1441 | reg & 0xFE); | |
1442 | } | |
1443 | ||
1444 | if (init >= 2) { | |
1445 | /* Chip config as documented by National Semi. */ | |
1446 | pc87360_write_value(data, LD_TEMP, 0xF, 0xA, 0x08); | |
1447 | /* We voluntarily omit the bank here, in case the | |
1448 | sequence itself matters. It shouldn't be a problem, | |
1449 | since nobody else is supposed to access the | |
1450 | device at that point. */ | |
1451 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xB, 0x04); | |
1452 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xC, 0x35); | |
1453 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xD, 0x05); | |
1454 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xE, 0x05); | |
1455 | } | |
1456 | } | |
1457 | } | |
1458 | ||
f641b588 | 1459 | static void pc87360_autodiv(struct device *dev, int nr) |
1da177e4 | 1460 | { |
f641b588 | 1461 | struct pc87360_data *data = dev_get_drvdata(dev); |
1da177e4 LT |
1462 | u8 old_min = data->fan_min[nr]; |
1463 | ||
1464 | /* Increase clock divider if needed and possible */ | |
1465 | if ((data->fan_status[nr] & 0x04) /* overflow flag */ | |
1466 | || (data->fan[nr] >= 224)) { /* next to overflow */ | |
1467 | if ((data->fan_status[nr] & 0x60) != 0x60) { | |
1468 | data->fan_status[nr] += 0x20; | |
1469 | data->fan_min[nr] >>= 1; | |
1470 | data->fan[nr] >>= 1; | |
f641b588 | 1471 | dev_dbg(dev, "Increasing " |
1da177e4 LT |
1472 | "clock divider to %d for fan %d\n", |
1473 | FAN_DIV_FROM_REG(data->fan_status[nr]), nr+1); | |
1474 | } | |
1475 | } else { | |
1476 | /* Decrease clock divider if possible */ | |
1477 | while (!(data->fan_min[nr] & 0x80) /* min "nails" divider */ | |
1478 | && data->fan[nr] < 85 /* bad accuracy */ | |
1479 | && (data->fan_status[nr] & 0x60) != 0x00) { | |
1480 | data->fan_status[nr] -= 0x20; | |
1481 | data->fan_min[nr] <<= 1; | |
1482 | data->fan[nr] <<= 1; | |
f641b588 | 1483 | dev_dbg(dev, "Decreasing " |
1da177e4 LT |
1484 | "clock divider to %d for fan %d\n", |
1485 | FAN_DIV_FROM_REG(data->fan_status[nr]), | |
1486 | nr+1); | |
1487 | } | |
1488 | } | |
1489 | ||
1490 | /* Write new fan min if it changed */ | |
1491 | if (old_min != data->fan_min[nr]) { | |
1492 | pc87360_write_value(data, LD_FAN, NO_BANK, | |
1493 | PC87360_REG_FAN_MIN(nr), | |
1494 | data->fan_min[nr]); | |
1495 | } | |
1496 | } | |
1497 | ||
1498 | static struct pc87360_data *pc87360_update_device(struct device *dev) | |
1499 | { | |
f641b588 | 1500 | struct pc87360_data *data = dev_get_drvdata(dev); |
1da177e4 LT |
1501 | u8 i; |
1502 | ||
9a61bf63 | 1503 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1504 | |
1505 | if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) { | |
f641b588 | 1506 | dev_dbg(dev, "Data update\n"); |
1da177e4 LT |
1507 | |
1508 | /* Fans */ | |
1509 | for (i = 0; i < data->fannr; i++) { | |
1510 | if (FAN_CONFIG_MONITOR(data->fan_conf, i)) { | |
1511 | data->fan_status[i] = | |
1512 | pc87360_read_value(data, LD_FAN, | |
1513 | NO_BANK, PC87360_REG_FAN_STATUS(i)); | |
1514 | data->fan[i] = pc87360_read_value(data, LD_FAN, | |
1515 | NO_BANK, PC87360_REG_FAN(i)); | |
1516 | data->fan_min[i] = pc87360_read_value(data, | |
1517 | LD_FAN, NO_BANK, | |
1518 | PC87360_REG_FAN_MIN(i)); | |
1519 | /* Change clock divider if needed */ | |
f641b588 | 1520 | pc87360_autodiv(dev, i); |
1da177e4 LT |
1521 | /* Clear bits and write new divider */ |
1522 | pc87360_write_value(data, LD_FAN, NO_BANK, | |
1523 | PC87360_REG_FAN_STATUS(i), | |
1524 | data->fan_status[i]); | |
1525 | } | |
1526 | if (FAN_CONFIG_CONTROL(data->fan_conf, i)) | |
1527 | data->pwm[i] = pc87360_read_value(data, LD_FAN, | |
1528 | NO_BANK, PC87360_REG_PWM(i)); | |
1529 | } | |
1530 | ||
1531 | /* Voltages */ | |
1532 | for (i = 0; i < data->innr; i++) { | |
1533 | data->in_status[i] = pc87360_read_value(data, LD_IN, i, | |
1534 | PC87365_REG_IN_STATUS); | |
1535 | /* Clear bits */ | |
1536 | pc87360_write_value(data, LD_IN, i, | |
1537 | PC87365_REG_IN_STATUS, | |
1538 | data->in_status[i]); | |
28f74e71 | 1539 | if ((data->in_status[i] & CHAN_READY) == CHAN_READY) { |
1da177e4 LT |
1540 | data->in[i] = pc87360_read_value(data, LD_IN, |
1541 | i, PC87365_REG_IN); | |
1542 | } | |
28f74e71 | 1543 | if (data->in_status[i] & CHAN_ENA) { |
1da177e4 LT |
1544 | data->in_min[i] = pc87360_read_value(data, |
1545 | LD_IN, i, | |
1546 | PC87365_REG_IN_MIN); | |
1547 | data->in_max[i] = pc87360_read_value(data, | |
1548 | LD_IN, i, | |
1549 | PC87365_REG_IN_MAX); | |
1550 | if (i >= 11) | |
1551 | data->in_crit[i-11] = | |
1552 | pc87360_read_value(data, LD_IN, | |
1553 | i, PC87365_REG_TEMP_CRIT); | |
1554 | } | |
1555 | } | |
1556 | if (data->innr) { | |
1557 | data->in_alarms = pc87360_read_value(data, LD_IN, | |
1558 | NO_BANK, PC87365_REG_IN_ALARMS1) | |
1559 | | ((pc87360_read_value(data, LD_IN, | |
1560 | NO_BANK, PC87365_REG_IN_ALARMS2) | |
1561 | & 0x07) << 8); | |
1562 | data->vid = (data->vid_conf & 0xE0) ? | |
1563 | pc87360_read_value(data, LD_IN, | |
1564 | NO_BANK, PC87365_REG_VID) : 0x1F; | |
1565 | } | |
1566 | ||
1567 | /* Temperatures */ | |
1568 | for (i = 0; i < data->tempnr; i++) { | |
1569 | data->temp_status[i] = pc87360_read_value(data, | |
1570 | LD_TEMP, i, | |
1571 | PC87365_REG_TEMP_STATUS); | |
1572 | /* Clear bits */ | |
1573 | pc87360_write_value(data, LD_TEMP, i, | |
1574 | PC87365_REG_TEMP_STATUS, | |
1575 | data->temp_status[i]); | |
28f74e71 | 1576 | if ((data->temp_status[i] & CHAN_READY) == CHAN_READY) { |
1da177e4 LT |
1577 | data->temp[i] = pc87360_read_value(data, |
1578 | LD_TEMP, i, | |
1579 | PC87365_REG_TEMP); | |
1580 | } | |
28f74e71 | 1581 | if (data->temp_status[i] & CHAN_ENA) { |
1da177e4 LT |
1582 | data->temp_min[i] = pc87360_read_value(data, |
1583 | LD_TEMP, i, | |
1584 | PC87365_REG_TEMP_MIN); | |
1585 | data->temp_max[i] = pc87360_read_value(data, | |
1586 | LD_TEMP, i, | |
1587 | PC87365_REG_TEMP_MAX); | |
1588 | data->temp_crit[i] = pc87360_read_value(data, | |
1589 | LD_TEMP, i, | |
1590 | PC87365_REG_TEMP_CRIT); | |
1591 | } | |
1592 | } | |
1593 | if (data->tempnr) { | |
1594 | data->temp_alarms = pc87360_read_value(data, LD_TEMP, | |
1595 | NO_BANK, PC87365_REG_TEMP_ALARMS) | |
1596 | & 0x3F; | |
1597 | } | |
1598 | ||
1599 | data->last_updated = jiffies; | |
1600 | data->valid = 1; | |
1601 | } | |
1602 | ||
9a61bf63 | 1603 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1604 | |
1605 | return data; | |
1606 | } | |
1607 | ||
f641b588 JD |
1608 | static int __init pc87360_device_add(unsigned short address) |
1609 | { | |
b9783dce JD |
1610 | struct resource res[3]; |
1611 | int err, i, res_count; | |
f641b588 JD |
1612 | |
1613 | pdev = platform_device_alloc("pc87360", address); | |
1614 | if (!pdev) { | |
1615 | err = -ENOMEM; | |
9e991c6f | 1616 | pr_err("Device allocation failed\n"); |
f641b588 JD |
1617 | goto exit; |
1618 | } | |
1619 | ||
b9783dce JD |
1620 | memset(res, 0, 3 * sizeof(struct resource)); |
1621 | res_count = 0; | |
f641b588 JD |
1622 | for (i = 0; i < 3; i++) { |
1623 | if (!extra_isa[i]) | |
1624 | continue; | |
b9783dce JD |
1625 | res[res_count].start = extra_isa[i]; |
1626 | res[res_count].end = extra_isa[i] + PC87360_EXTENT - 1; | |
1627 | res[res_count].name = "pc87360", | |
1628 | res[res_count].flags = IORESOURCE_IO, | |
b9acb64a | 1629 | |
b9783dce | 1630 | err = acpi_check_resource_conflict(&res[res_count]); |
b9acb64a JD |
1631 | if (err) |
1632 | goto exit_device_put; | |
1633 | ||
b9783dce JD |
1634 | res_count++; |
1635 | } | |
1636 | ||
1637 | err = platform_device_add_resources(pdev, res, res_count); | |
1638 | if (err) { | |
9e991c6f | 1639 | pr_err("Device resources addition failed (%d)\n", err); |
b9783dce | 1640 | goto exit_device_put; |
f641b588 JD |
1641 | } |
1642 | ||
1643 | err = platform_device_add(pdev); | |
1644 | if (err) { | |
9e991c6f | 1645 | pr_err("Device addition failed (%d)\n", err); |
f641b588 JD |
1646 | goto exit_device_put; |
1647 | } | |
1648 | ||
1649 | return 0; | |
1650 | ||
1651 | exit_device_put: | |
1652 | platform_device_put(pdev); | |
1653 | exit: | |
1654 | return err; | |
1655 | } | |
1656 | ||
1da177e4 LT |
1657 | static int __init pc87360_init(void) |
1658 | { | |
f641b588 JD |
1659 | int err, i; |
1660 | unsigned short address = 0; | |
1da177e4 LT |
1661 | |
1662 | if (pc87360_find(0x2e, &devid, extra_isa) | |
1663 | && pc87360_find(0x4e, &devid, extra_isa)) { | |
9e991c6f | 1664 | pr_warn("PC8736x not detected, module not inserted\n"); |
1da177e4 LT |
1665 | return -ENODEV; |
1666 | } | |
1667 | ||
1668 | /* Arbitrarily pick one of the addresses */ | |
1669 | for (i = 0; i < 3; i++) { | |
1670 | if (extra_isa[i] != 0x0000) { | |
2d8672c5 | 1671 | address = extra_isa[i]; |
1da177e4 LT |
1672 | break; |
1673 | } | |
1674 | } | |
1675 | ||
2d8672c5 | 1676 | if (address == 0x0000) { |
9e991c6f | 1677 | pr_warn("No active logical device, module not inserted\n"); |
1da177e4 LT |
1678 | return -ENODEV; |
1679 | } | |
1680 | ||
f641b588 JD |
1681 | err = platform_driver_register(&pc87360_driver); |
1682 | if (err) | |
1683 | goto exit; | |
1684 | ||
1685 | /* Sets global pdev as a side effect */ | |
1686 | err = pc87360_device_add(address); | |
1687 | if (err) | |
1688 | goto exit_driver; | |
1689 | ||
1690 | return 0; | |
1691 | ||
1692 | exit_driver: | |
1693 | platform_driver_unregister(&pc87360_driver); | |
1694 | exit: | |
1695 | return err; | |
1da177e4 LT |
1696 | } |
1697 | ||
1698 | static void __exit pc87360_exit(void) | |
1699 | { | |
f641b588 JD |
1700 | platform_device_unregister(pdev); |
1701 | platform_driver_unregister(&pc87360_driver); | |
1da177e4 LT |
1702 | } |
1703 | ||
1704 | ||
1705 | MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>"); | |
1706 | MODULE_DESCRIPTION("PC8736x hardware monitor"); | |
1707 | MODULE_LICENSE("GPL"); | |
1708 | ||
1709 | module_init(pc87360_init); | |
1710 | module_exit(pc87360_exit); |