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Commit | Line | Data |
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74ba9207 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
1da177e4 LT |
2 | /* |
3 | * pc87360.c - Part of lm_sensors, Linux kernel modules | |
4 | * for hardware monitoring | |
7c81c60f | 5 | * Copyright (C) 2004, 2007 Jean Delvare <jdelvare@suse.de> |
1da177e4 LT |
6 | * |
7 | * Copied from smsc47m1.c: | |
8 | * Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com> | |
9 | * | |
1da177e4 LT |
10 | * Supports the following chips: |
11 | * | |
12 | * Chip #vin #fan #pwm #temp devid | |
13 | * PC87360 - 2 2 - 0xE1 | |
14 | * PC87363 - 2 2 - 0xE8 | |
15 | * PC87364 - 3 3 - 0xE4 | |
16 | * PC87365 11 3 3 2 0xE5 | |
17 | * PC87366 11 3 3 3-4 0xE9 | |
18 | * | |
19 | * This driver assumes that no more than one chip is present, and one of | |
20 | * the standard Super-I/O addresses is used (0x2E/0x2F or 0x4E/0x4F). | |
21 | */ | |
22 | ||
9e991c6f JP |
23 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
24 | ||
1da177e4 LT |
25 | #include <linux/module.h> |
26 | #include <linux/init.h> | |
27 | #include <linux/slab.h> | |
28 | #include <linux/jiffies.h> | |
f641b588 | 29 | #include <linux/platform_device.h> |
943b0830 | 30 | #include <linux/hwmon.h> |
f0986bd8 | 31 | #include <linux/hwmon-sysfs.h> |
303760b4 | 32 | #include <linux/hwmon-vid.h> |
943b0830 | 33 | #include <linux/err.h> |
9a61bf63 | 34 | #include <linux/mutex.h> |
b9acb64a | 35 | #include <linux/acpi.h> |
6055fae8 | 36 | #include <linux/io.h> |
1da177e4 | 37 | |
1da177e4 | 38 | static u8 devid; |
f641b588 | 39 | static struct platform_device *pdev; |
2d8672c5 | 40 | static unsigned short extra_isa[3]; |
1da177e4 LT |
41 | static u8 confreg[4]; |
42 | ||
1da177e4 LT |
43 | static int init = 1; |
44 | module_param(init, int, 0); | |
45 | MODULE_PARM_DESC(init, | |
449a7a07 GR |
46 | "Chip initialization level:\n" |
47 | " 0: None\n" | |
48 | "*1: Forcibly enable internal voltage and temperature channels, except in9\n" | |
49 | " 2: Forcibly enable all voltage and temperature channels, except in9\n" | |
50 | " 3: Forcibly enable all voltage and temperature channels, including in9"); | |
1da177e4 | 51 | |
67b671bc JD |
52 | static unsigned short force_id; |
53 | module_param(force_id, ushort, 0); | |
54 | MODULE_PARM_DESC(force_id, "Override the detected device ID"); | |
55 | ||
1da177e4 LT |
56 | /* |
57 | * Super-I/O registers and operations | |
58 | */ | |
59 | ||
60 | #define DEV 0x07 /* Register: Logical device select */ | |
61 | #define DEVID 0x20 /* Register: Device ID */ | |
62 | #define ACT 0x30 /* Register: Device activation */ | |
63 | #define BASE 0x60 /* Register: Base address */ | |
64 | ||
65 | #define FSCM 0x09 /* Logical device: fans */ | |
66 | #define VLM 0x0d /* Logical device: voltages */ | |
67 | #define TMS 0x0e /* Logical device: temperatures */ | |
2a32ec25 JC |
68 | #define LDNI_MAX 3 |
69 | static const u8 logdev[LDNI_MAX] = { FSCM, VLM, TMS }; | |
1da177e4 LT |
70 | |
71 | #define LD_FAN 0 | |
72 | #define LD_IN 1 | |
73 | #define LD_TEMP 2 | |
74 | ||
75 | static inline void superio_outb(int sioaddr, int reg, int val) | |
76 | { | |
77 | outb(reg, sioaddr); | |
449a7a07 | 78 | outb(val, sioaddr + 1); |
1da177e4 LT |
79 | } |
80 | ||
81 | static inline int superio_inb(int sioaddr, int reg) | |
82 | { | |
83 | outb(reg, sioaddr); | |
449a7a07 | 84 | return inb(sioaddr + 1); |
1da177e4 LT |
85 | } |
86 | ||
87 | static inline void superio_exit(int sioaddr) | |
88 | { | |
89 | outb(0x02, sioaddr); | |
449a7a07 | 90 | outb(0x02, sioaddr + 1); |
1da177e4 LT |
91 | } |
92 | ||
93 | /* | |
94 | * Logical devices | |
95 | */ | |
96 | ||
97 | #define PC87360_EXTENT 0x10 | |
98 | #define PC87365_REG_BANK 0x09 | |
99 | #define NO_BANK 0xff | |
100 | ||
101 | /* | |
102 | * Fan registers and conversions | |
103 | */ | |
104 | ||
105 | /* nr has to be 0 or 1 (PC87360/87363) or 2 (PC87364/87365/87366) */ | |
106 | #define PC87360_REG_PRESCALE(nr) (0x00 + 2 * (nr)) | |
107 | #define PC87360_REG_PWM(nr) (0x01 + 2 * (nr)) | |
108 | #define PC87360_REG_FAN_MIN(nr) (0x06 + 3 * (nr)) | |
109 | #define PC87360_REG_FAN(nr) (0x07 + 3 * (nr)) | |
110 | #define PC87360_REG_FAN_STATUS(nr) (0x08 + 3 * (nr)) | |
111 | ||
449a7a07 GR |
112 | #define FAN_FROM_REG(val, div) ((val) == 0 ? 0 : \ |
113 | 480000 / ((val) * (div))) | |
114 | #define FAN_TO_REG(val, div) ((val) <= 100 ? 0 : \ | |
115 | 480000 / ((val) * (div))) | |
116 | #define FAN_DIV_FROM_REG(val) (1 << (((val) >> 5) & 0x03)) | |
1da177e4 LT |
117 | #define FAN_STATUS_FROM_REG(val) ((val) & 0x07) |
118 | ||
449a7a07 GR |
119 | #define FAN_CONFIG_MONITOR(val, nr) (((val) >> (2 + (nr) * 3)) & 1) |
120 | #define FAN_CONFIG_CONTROL(val, nr) (((val) >> (3 + (nr) * 3)) & 1) | |
121 | #define FAN_CONFIG_INVERT(val, nr) (((val) >> (4 + (nr) * 3)) & 1) | |
1da177e4 | 122 | |
449a7a07 | 123 | #define PWM_FROM_REG(val, inv) ((inv) ? 255 - (val) : (val)) |
1da177e4 LT |
124 | static inline u8 PWM_TO_REG(int val, int inv) |
125 | { | |
126 | if (inv) | |
127 | val = 255 - val; | |
128 | if (val < 0) | |
129 | return 0; | |
130 | if (val > 255) | |
131 | return 255; | |
132 | return val; | |
133 | } | |
134 | ||
135 | /* | |
136 | * Voltage registers and conversions | |
137 | */ | |
138 | ||
139 | #define PC87365_REG_IN_CONVRATE 0x07 | |
140 | #define PC87365_REG_IN_CONFIG 0x08 | |
141 | #define PC87365_REG_IN 0x0B | |
142 | #define PC87365_REG_IN_MIN 0x0D | |
143 | #define PC87365_REG_IN_MAX 0x0C | |
144 | #define PC87365_REG_IN_STATUS 0x0A | |
145 | #define PC87365_REG_IN_ALARMS1 0x00 | |
146 | #define PC87365_REG_IN_ALARMS2 0x01 | |
147 | #define PC87365_REG_VID 0x06 | |
148 | ||
449a7a07 GR |
149 | #define IN_FROM_REG(val, ref) (((val) * (ref) + 128) / 256) |
150 | #define IN_TO_REG(val, ref) ((val) < 0 ? 0 : \ | |
151 | (val) * 256 >= (ref) * 255 ? 255 : \ | |
152 | ((val) * 256 + (ref) / 2) / (ref)) | |
1da177e4 LT |
153 | |
154 | /* | |
155 | * Temperature registers and conversions | |
156 | */ | |
157 | ||
158 | #define PC87365_REG_TEMP_CONFIG 0x08 | |
159 | #define PC87365_REG_TEMP 0x0B | |
160 | #define PC87365_REG_TEMP_MIN 0x0D | |
161 | #define PC87365_REG_TEMP_MAX 0x0C | |
162 | #define PC87365_REG_TEMP_CRIT 0x0E | |
163 | #define PC87365_REG_TEMP_STATUS 0x0A | |
164 | #define PC87365_REG_TEMP_ALARMS 0x00 | |
165 | ||
166 | #define TEMP_FROM_REG(val) ((val) * 1000) | |
167 | #define TEMP_TO_REG(val) ((val) < -55000 ? -55 : \ | |
168 | (val) > 127000 ? 127 : \ | |
169 | (val) < 0 ? ((val) - 500) / 1000 : \ | |
170 | ((val) + 500) / 1000) | |
171 | ||
172 | /* | |
f641b588 | 173 | * Device data |
1da177e4 LT |
174 | */ |
175 | ||
176 | struct pc87360_data { | |
f641b588 | 177 | const char *name; |
1beeffe4 | 178 | struct device *hwmon_dev; |
9a61bf63 IM |
179 | struct mutex lock; |
180 | struct mutex update_lock; | |
1da177e4 LT |
181 | char valid; /* !=0 if following fields are valid */ |
182 | unsigned long last_updated; /* In jiffies */ | |
183 | ||
184 | int address[3]; | |
185 | ||
186 | u8 fannr, innr, tempnr; | |
187 | ||
188 | u8 fan[3]; /* Register value */ | |
189 | u8 fan_min[3]; /* Register value */ | |
190 | u8 fan_status[3]; /* Register value */ | |
191 | u8 pwm[3]; /* Register value */ | |
192 | u16 fan_conf; /* Configuration register values, combined */ | |
193 | ||
194 | u16 in_vref; /* 1 mV/bit */ | |
195 | u8 in[14]; /* Register value */ | |
196 | u8 in_min[14]; /* Register value */ | |
197 | u8 in_max[14]; /* Register value */ | |
198 | u8 in_crit[3]; /* Register value */ | |
199 | u8 in_status[14]; /* Register value */ | |
200 | u16 in_alarms; /* Register values, combined, masked */ | |
201 | u8 vid_conf; /* Configuration register value */ | |
202 | u8 vrm; | |
203 | u8 vid; /* Register value */ | |
204 | ||
205 | s8 temp[3]; /* Register value */ | |
206 | s8 temp_min[3]; /* Register value */ | |
207 | s8 temp_max[3]; /* Register value */ | |
208 | s8 temp_crit[3]; /* Register value */ | |
209 | u8 temp_status[3]; /* Register value */ | |
210 | u8 temp_alarms; /* Register value, masked */ | |
211 | }; | |
212 | ||
213 | /* | |
214 | * Functions declaration | |
215 | */ | |
216 | ||
f641b588 | 217 | static int pc87360_probe(struct platform_device *pdev); |
281dfd0b | 218 | static int pc87360_remove(struct platform_device *pdev); |
1da177e4 LT |
219 | |
220 | static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank, | |
221 | u8 reg); | |
222 | static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank, | |
223 | u8 reg, u8 value); | |
f641b588 JD |
224 | static void pc87360_init_device(struct platform_device *pdev, |
225 | int use_thermistors); | |
1da177e4 LT |
226 | static struct pc87360_data *pc87360_update_device(struct device *dev); |
227 | ||
228 | /* | |
f641b588 | 229 | * Driver data |
1da177e4 LT |
230 | */ |
231 | ||
f641b588 | 232 | static struct platform_driver pc87360_driver = { |
cdaf7934 | 233 | .driver = { |
cdaf7934 LR |
234 | .name = "pc87360", |
235 | }, | |
f641b588 | 236 | .probe = pc87360_probe, |
9e5e9b7a | 237 | .remove = pc87360_remove, |
1da177e4 LT |
238 | }; |
239 | ||
240 | /* | |
241 | * Sysfs stuff | |
242 | */ | |
243 | ||
eba42d30 | 244 | static ssize_t fan_input_show(struct device *dev, |
449a7a07 | 245 | struct device_attribute *devattr, char *buf) |
f0986bd8 JC |
246 | { |
247 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
248 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 JC |
249 | return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan[attr->index], |
250 | FAN_DIV_FROM_REG(data->fan_status[attr->index]))); | |
f0986bd8 | 251 | } |
eba42d30 | 252 | static ssize_t fan_min_show(struct device *dev, |
449a7a07 | 253 | struct device_attribute *devattr, char *buf) |
f0986bd8 JC |
254 | { |
255 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
256 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 JC |
257 | return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan_min[attr->index], |
258 | FAN_DIV_FROM_REG(data->fan_status[attr->index]))); | |
f0986bd8 | 259 | } |
eba42d30 | 260 | static ssize_t fan_div_show(struct device *dev, |
449a7a07 | 261 | struct device_attribute *devattr, char *buf) |
f0986bd8 JC |
262 | { |
263 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
264 | struct pc87360_data *data = pc87360_update_device(dev); | |
265 | return sprintf(buf, "%u\n", | |
694fa056 | 266 | FAN_DIV_FROM_REG(data->fan_status[attr->index])); |
f0986bd8 | 267 | } |
eba42d30 | 268 | static ssize_t fan_status_show(struct device *dev, |
449a7a07 | 269 | struct device_attribute *devattr, char *buf) |
f0986bd8 JC |
270 | { |
271 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
272 | struct pc87360_data *data = pc87360_update_device(dev); | |
273 | return sprintf(buf, "%u\n", | |
694fa056 | 274 | FAN_STATUS_FROM_REG(data->fan_status[attr->index])); |
f0986bd8 | 275 | } |
eba42d30 GR |
276 | static ssize_t fan_min_store(struct device *dev, |
277 | struct device_attribute *devattr, | |
278 | const char *buf, size_t count) | |
f0986bd8 JC |
279 | { |
280 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 281 | struct pc87360_data *data = dev_get_drvdata(dev); |
449a7a07 GR |
282 | long fan_min; |
283 | int err; | |
284 | ||
285 | err = kstrtol(buf, 10, &fan_min); | |
286 | if (err) | |
287 | return err; | |
11be27ea | 288 | |
9a61bf63 | 289 | mutex_lock(&data->update_lock); |
449a7a07 GR |
290 | fan_min = FAN_TO_REG(fan_min, |
291 | FAN_DIV_FROM_REG(data->fan_status[attr->index])); | |
11be27ea JC |
292 | |
293 | /* If it wouldn't fit, change clock divisor */ | |
294 | while (fan_min > 255 | |
295 | && (data->fan_status[attr->index] & 0x60) != 0x60) { | |
296 | fan_min >>= 1; | |
297 | data->fan[attr->index] >>= 1; | |
298 | data->fan_status[attr->index] += 0x20; | |
299 | } | |
300 | data->fan_min[attr->index] = fan_min > 255 ? 255 : fan_min; | |
449a7a07 GR |
301 | pc87360_write_value(data, LD_FAN, NO_BANK, |
302 | PC87360_REG_FAN_MIN(attr->index), | |
11be27ea JC |
303 | data->fan_min[attr->index]); |
304 | ||
305 | /* Write new divider, preserve alarm bits */ | |
449a7a07 GR |
306 | pc87360_write_value(data, LD_FAN, NO_BANK, |
307 | PC87360_REG_FAN_STATUS(attr->index), | |
11be27ea | 308 | data->fan_status[attr->index] & 0xF9); |
9a61bf63 | 309 | mutex_unlock(&data->update_lock); |
11be27ea JC |
310 | |
311 | return count; | |
f0986bd8 JC |
312 | } |
313 | ||
dedc6a78 | 314 | static struct sensor_device_attribute fan_input[] = { |
eba42d30 GR |
315 | SENSOR_ATTR_RO(fan1_input, fan_input, 0), |
316 | SENSOR_ATTR_RO(fan2_input, fan_input, 1), | |
317 | SENSOR_ATTR_RO(fan3_input, fan_input, 2), | |
dedc6a78 JC |
318 | }; |
319 | static struct sensor_device_attribute fan_status[] = { | |
eba42d30 GR |
320 | SENSOR_ATTR_RO(fan1_status, fan_status, 0), |
321 | SENSOR_ATTR_RO(fan2_status, fan_status, 1), | |
322 | SENSOR_ATTR_RO(fan3_status, fan_status, 2), | |
dedc6a78 JC |
323 | }; |
324 | static struct sensor_device_attribute fan_div[] = { | |
eba42d30 GR |
325 | SENSOR_ATTR_RO(fan1_div, fan_div, 0), |
326 | SENSOR_ATTR_RO(fan2_div, fan_div, 1), | |
327 | SENSOR_ATTR_RO(fan3_div, fan_div, 2), | |
dedc6a78 JC |
328 | }; |
329 | static struct sensor_device_attribute fan_min[] = { | |
eba42d30 GR |
330 | SENSOR_ATTR_RW(fan1_min, fan_min, 0), |
331 | SENSOR_ATTR_RW(fan2_min, fan_min, 1), | |
332 | SENSOR_ATTR_RW(fan3_min, fan_min, 2), | |
dedc6a78 | 333 | }; |
1da177e4 | 334 | |
bce2778d GR |
335 | #define FAN_UNIT_ATTRS(X) \ |
336 | { &fan_input[X].dev_attr.attr, \ | |
941c5c05 JC |
337 | &fan_status[X].dev_attr.attr, \ |
338 | &fan_div[X].dev_attr.attr, \ | |
bce2778d GR |
339 | &fan_min[X].dev_attr.attr, \ |
340 | NULL \ | |
341 | } | |
941c5c05 | 342 | |
eba42d30 | 343 | static ssize_t pwm_show(struct device *dev, struct device_attribute *devattr, |
449a7a07 | 344 | char *buf) |
f0986bd8 JC |
345 | { |
346 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
347 | struct pc87360_data *data = pc87360_update_device(dev); | |
348 | return sprintf(buf, "%u\n", | |
694fa056 | 349 | PWM_FROM_REG(data->pwm[attr->index], |
f0986bd8 | 350 | FAN_CONFIG_INVERT(data->fan_conf, |
694fa056 | 351 | attr->index))); |
f0986bd8 | 352 | } |
eba42d30 GR |
353 | static ssize_t pwm_store(struct device *dev, struct device_attribute *devattr, |
354 | const char *buf, size_t count) | |
f0986bd8 JC |
355 | { |
356 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 357 | struct pc87360_data *data = dev_get_drvdata(dev); |
449a7a07 GR |
358 | long val; |
359 | int err; | |
360 | ||
361 | err = kstrtol(buf, 10, &val); | |
362 | if (err) | |
363 | return err; | |
f0986bd8 | 364 | |
9a61bf63 | 365 | mutex_lock(&data->update_lock); |
694fa056 JC |
366 | data->pwm[attr->index] = PWM_TO_REG(val, |
367 | FAN_CONFIG_INVERT(data->fan_conf, attr->index)); | |
368 | pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_PWM(attr->index), | |
369 | data->pwm[attr->index]); | |
9a61bf63 | 370 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
371 | return count; |
372 | } | |
373 | ||
dedc6a78 | 374 | static struct sensor_device_attribute pwm[] = { |
eba42d30 GR |
375 | SENSOR_ATTR_RW(pwm1, pwm, 0), |
376 | SENSOR_ATTR_RW(pwm2, pwm, 1), | |
377 | SENSOR_ATTR_RW(pwm3, pwm, 2), | |
dedc6a78 | 378 | }; |
1da177e4 | 379 | |
bce2778d | 380 | static struct attribute *pc8736x_fan_attr[][5] = { |
941c5c05 JC |
381 | FAN_UNIT_ATTRS(0), |
382 | FAN_UNIT_ATTRS(1), | |
bce2778d | 383 | FAN_UNIT_ATTRS(2) |
941c5c05 | 384 | }; |
bce2778d GR |
385 | |
386 | static const struct attribute_group pc8736x_fan_attr_group[] = { | |
387 | { .attrs = pc8736x_fan_attr[0], }, | |
388 | { .attrs = pc8736x_fan_attr[1], }, | |
389 | { .attrs = pc8736x_fan_attr[2], }, | |
941c5c05 JC |
390 | }; |
391 | ||
eba42d30 | 392 | static ssize_t in_input_show(struct device *dev, |
449a7a07 | 393 | struct device_attribute *devattr, char *buf) |
f0986bd8 JC |
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[attr->index], | |
398 | data->in_vref)); | |
399 | } | |
eba42d30 | 400 | static ssize_t in_min_show(struct device *dev, |
449a7a07 | 401 | struct device_attribute *devattr, char *buf) |
f0986bd8 JC |
402 | { |
403 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
404 | struct pc87360_data *data = pc87360_update_device(dev); | |
405 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index], | |
406 | data->in_vref)); | |
407 | } | |
eba42d30 | 408 | static ssize_t in_max_show(struct device *dev, |
449a7a07 | 409 | struct device_attribute *devattr, char *buf) |
f0986bd8 JC |
410 | { |
411 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
412 | struct pc87360_data *data = pc87360_update_device(dev); | |
413 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index], | |
414 | data->in_vref)); | |
415 | } | |
eba42d30 | 416 | static ssize_t in_status_show(struct device *dev, |
449a7a07 | 417 | struct device_attribute *devattr, char *buf) |
f0986bd8 JC |
418 | { |
419 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
420 | struct pc87360_data *data = pc87360_update_device(dev); | |
421 | return sprintf(buf, "%u\n", data->in_status[attr->index]); | |
422 | } | |
eba42d30 GR |
423 | static ssize_t in_min_store(struct device *dev, |
424 | struct device_attribute *devattr, const char *buf, | |
425 | size_t count) | |
f0986bd8 JC |
426 | { |
427 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 428 | struct pc87360_data *data = dev_get_drvdata(dev); |
449a7a07 GR |
429 | long val; |
430 | int err; | |
431 | ||
432 | err = kstrtol(buf, 10, &val); | |
433 | if (err) | |
434 | return err; | |
f0986bd8 | 435 | |
9a61bf63 | 436 | mutex_lock(&data->update_lock); |
f0986bd8 JC |
437 | data->in_min[attr->index] = IN_TO_REG(val, data->in_vref); |
438 | pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MIN, | |
439 | data->in_min[attr->index]); | |
9a61bf63 | 440 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
441 | return count; |
442 | } | |
eba42d30 GR |
443 | static ssize_t in_max_store(struct device *dev, |
444 | struct device_attribute *devattr, const char *buf, | |
445 | size_t count) | |
f0986bd8 JC |
446 | { |
447 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 448 | struct pc87360_data *data = dev_get_drvdata(dev); |
449a7a07 GR |
449 | long val; |
450 | int err; | |
451 | ||
452 | err = kstrtol(buf, 10, &val); | |
453 | if (err) | |
454 | return err; | |
f0986bd8 | 455 | |
9a61bf63 | 456 | mutex_lock(&data->update_lock); |
f0986bd8 JC |
457 | data->in_max[attr->index] = IN_TO_REG(val, |
458 | data->in_vref); | |
459 | pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MAX, | |
460 | data->in_max[attr->index]); | |
9a61bf63 | 461 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
462 | return count; |
463 | } | |
464 | ||
dedc6a78 | 465 | static struct sensor_device_attribute in_input[] = { |
eba42d30 GR |
466 | SENSOR_ATTR_RO(in0_input, in_input, 0), |
467 | SENSOR_ATTR_RO(in1_input, in_input, 1), | |
468 | SENSOR_ATTR_RO(in2_input, in_input, 2), | |
469 | SENSOR_ATTR_RO(in3_input, in_input, 3), | |
470 | SENSOR_ATTR_RO(in4_input, in_input, 4), | |
471 | SENSOR_ATTR_RO(in5_input, in_input, 5), | |
472 | SENSOR_ATTR_RO(in6_input, in_input, 6), | |
473 | SENSOR_ATTR_RO(in7_input, in_input, 7), | |
474 | SENSOR_ATTR_RO(in8_input, in_input, 8), | |
475 | SENSOR_ATTR_RO(in9_input, in_input, 9), | |
476 | SENSOR_ATTR_RO(in10_input, in_input, 10), | |
dedc6a78 JC |
477 | }; |
478 | static struct sensor_device_attribute in_status[] = { | |
eba42d30 GR |
479 | SENSOR_ATTR_RO(in0_status, in_status, 0), |
480 | SENSOR_ATTR_RO(in1_status, in_status, 1), | |
481 | SENSOR_ATTR_RO(in2_status, in_status, 2), | |
482 | SENSOR_ATTR_RO(in3_status, in_status, 3), | |
483 | SENSOR_ATTR_RO(in4_status, in_status, 4), | |
484 | SENSOR_ATTR_RO(in5_status, in_status, 5), | |
485 | SENSOR_ATTR_RO(in6_status, in_status, 6), | |
486 | SENSOR_ATTR_RO(in7_status, in_status, 7), | |
487 | SENSOR_ATTR_RO(in8_status, in_status, 8), | |
488 | SENSOR_ATTR_RO(in9_status, in_status, 9), | |
489 | SENSOR_ATTR_RO(in10_status, in_status, 10), | |
dedc6a78 JC |
490 | }; |
491 | static struct sensor_device_attribute in_min[] = { | |
eba42d30 GR |
492 | SENSOR_ATTR_RW(in0_min, in_min, 0), |
493 | SENSOR_ATTR_RW(in1_min, in_min, 1), | |
494 | SENSOR_ATTR_RW(in2_min, in_min, 2), | |
495 | SENSOR_ATTR_RW(in3_min, in_min, 3), | |
496 | SENSOR_ATTR_RW(in4_min, in_min, 4), | |
497 | SENSOR_ATTR_RW(in5_min, in_min, 5), | |
498 | SENSOR_ATTR_RW(in6_min, in_min, 6), | |
499 | SENSOR_ATTR_RW(in7_min, in_min, 7), | |
500 | SENSOR_ATTR_RW(in8_min, in_min, 8), | |
501 | SENSOR_ATTR_RW(in9_min, in_min, 9), | |
502 | SENSOR_ATTR_RW(in10_min, in_min, 10), | |
dedc6a78 JC |
503 | }; |
504 | static struct sensor_device_attribute in_max[] = { | |
eba42d30 GR |
505 | SENSOR_ATTR_RW(in0_max, in_max, 0), |
506 | SENSOR_ATTR_RW(in1_max, in_max, 1), | |
507 | SENSOR_ATTR_RW(in2_max, in_max, 2), | |
508 | SENSOR_ATTR_RW(in3_max, in_max, 3), | |
509 | SENSOR_ATTR_RW(in4_max, in_max, 4), | |
510 | SENSOR_ATTR_RW(in5_max, in_max, 5), | |
511 | SENSOR_ATTR_RW(in6_max, in_max, 6), | |
512 | SENSOR_ATTR_RW(in7_max, in_max, 7), | |
513 | SENSOR_ATTR_RW(in8_max, in_max, 8), | |
514 | SENSOR_ATTR_RW(in9_max, in_max, 9), | |
515 | SENSOR_ATTR_RW(in10_max, in_max, 10), | |
dedc6a78 | 516 | }; |
1da177e4 | 517 | |
28f74e71 JC |
518 | /* (temp & vin) channel status register alarm bits (pdf sec.11.5.12) */ |
519 | #define CHAN_ALM_MIN 0x02 /* min limit crossed */ | |
520 | #define CHAN_ALM_MAX 0x04 /* max limit exceeded */ | |
521 | #define TEMP_ALM_CRIT 0x08 /* temp crit exceeded (temp only) */ | |
522 | ||
3af2861e GR |
523 | /* |
524 | * show_in_min/max_alarm() reads data from the per-channel status | |
525 | * register (sec 11.5.12), not the vin event status registers (sec | |
526 | * 11.5.2) that (legacy) show_in_alarm() resds (via data->in_alarms) | |
527 | */ | |
492e9657 | 528 | |
eba42d30 GR |
529 | static ssize_t in_min_alarm_show(struct device *dev, |
530 | struct device_attribute *devattr, char *buf) | |
492e9657 JC |
531 | { |
532 | struct pc87360_data *data = pc87360_update_device(dev); | |
533 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
534 | ||
535 | return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MIN)); | |
536 | } | |
eba42d30 GR |
537 | static ssize_t in_max_alarm_show(struct device *dev, |
538 | struct device_attribute *devattr, char *buf) | |
492e9657 JC |
539 | { |
540 | struct pc87360_data *data = pc87360_update_device(dev); | |
541 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
542 | ||
543 | return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MAX)); | |
544 | } | |
545 | ||
546 | static struct sensor_device_attribute in_min_alarm[] = { | |
eba42d30 GR |
547 | SENSOR_ATTR_RO(in0_min_alarm, in_min_alarm, 0), |
548 | SENSOR_ATTR_RO(in1_min_alarm, in_min_alarm, 1), | |
549 | SENSOR_ATTR_RO(in2_min_alarm, in_min_alarm, 2), | |
550 | SENSOR_ATTR_RO(in3_min_alarm, in_min_alarm, 3), | |
551 | SENSOR_ATTR_RO(in4_min_alarm, in_min_alarm, 4), | |
552 | SENSOR_ATTR_RO(in5_min_alarm, in_min_alarm, 5), | |
553 | SENSOR_ATTR_RO(in6_min_alarm, in_min_alarm, 6), | |
554 | SENSOR_ATTR_RO(in7_min_alarm, in_min_alarm, 7), | |
555 | SENSOR_ATTR_RO(in8_min_alarm, in_min_alarm, 8), | |
556 | SENSOR_ATTR_RO(in9_min_alarm, in_min_alarm, 9), | |
557 | SENSOR_ATTR_RO(in10_min_alarm, in_min_alarm, 10), | |
492e9657 JC |
558 | }; |
559 | static struct sensor_device_attribute in_max_alarm[] = { | |
eba42d30 GR |
560 | SENSOR_ATTR_RO(in0_max_alarm, in_max_alarm, 0), |
561 | SENSOR_ATTR_RO(in1_max_alarm, in_max_alarm, 1), | |
562 | SENSOR_ATTR_RO(in2_max_alarm, in_max_alarm, 2), | |
563 | SENSOR_ATTR_RO(in3_max_alarm, in_max_alarm, 3), | |
564 | SENSOR_ATTR_RO(in4_max_alarm, in_max_alarm, 4), | |
565 | SENSOR_ATTR_RO(in5_max_alarm, in_max_alarm, 5), | |
566 | SENSOR_ATTR_RO(in6_max_alarm, in_max_alarm, 6), | |
567 | SENSOR_ATTR_RO(in7_max_alarm, in_max_alarm, 7), | |
568 | SENSOR_ATTR_RO(in8_max_alarm, in_max_alarm, 8), | |
569 | SENSOR_ATTR_RO(in9_max_alarm, in_max_alarm, 9), | |
570 | SENSOR_ATTR_RO(in10_max_alarm, in_max_alarm, 10), | |
492e9657 JC |
571 | }; |
572 | ||
941c5c05 JC |
573 | #define VIN_UNIT_ATTRS(X) \ |
574 | &in_input[X].dev_attr.attr, \ | |
575 | &in_status[X].dev_attr.attr, \ | |
576 | &in_min[X].dev_attr.attr, \ | |
492e9657 JC |
577 | &in_max[X].dev_attr.attr, \ |
578 | &in_min_alarm[X].dev_attr.attr, \ | |
579 | &in_max_alarm[X].dev_attr.attr | |
941c5c05 | 580 | |
e33110d0 JL |
581 | static ssize_t cpu0_vid_show(struct device *dev, |
582 | struct device_attribute *attr, char *buf) | |
44646c19 JC |
583 | { |
584 | struct pc87360_data *data = pc87360_update_device(dev); | |
585 | return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm)); | |
586 | } | |
e33110d0 | 587 | static DEVICE_ATTR_RO(cpu0_vid); |
44646c19 | 588 | |
e33110d0 | 589 | static ssize_t vrm_show(struct device *dev, struct device_attribute *attr, |
449a7a07 | 590 | char *buf) |
44646c19 | 591 | { |
90d6619a | 592 | struct pc87360_data *data = dev_get_drvdata(dev); |
44646c19 JC |
593 | return sprintf(buf, "%u\n", data->vrm); |
594 | } | |
e33110d0 JL |
595 | static ssize_t vrm_store(struct device *dev, struct device_attribute *attr, |
596 | const char *buf, size_t count) | |
44646c19 | 597 | { |
f641b588 | 598 | struct pc87360_data *data = dev_get_drvdata(dev); |
449a7a07 GR |
599 | unsigned long val; |
600 | int err; | |
601 | ||
602 | err = kstrtoul(buf, 10, &val); | |
603 | if (err) | |
604 | return err; | |
605 | ||
5e3b5610 AL |
606 | if (val > 255) |
607 | return -EINVAL; | |
608 | ||
449a7a07 | 609 | data->vrm = val; |
44646c19 JC |
610 | return count; |
611 | } | |
e33110d0 | 612 | static DEVICE_ATTR_RW(vrm); |
44646c19 | 613 | |
e33110d0 | 614 | static ssize_t alarms_in_show(struct device *dev, |
449a7a07 | 615 | struct device_attribute *attr, char *buf) |
44646c19 JC |
616 | { |
617 | struct pc87360_data *data = pc87360_update_device(dev); | |
618 | return sprintf(buf, "%u\n", data->in_alarms); | |
619 | } | |
e33110d0 | 620 | static DEVICE_ATTR_RO(alarms_in); |
44646c19 | 621 | |
941c5c05 JC |
622 | static struct attribute *pc8736x_vin_attr_array[] = { |
623 | VIN_UNIT_ATTRS(0), | |
624 | VIN_UNIT_ATTRS(1), | |
625 | VIN_UNIT_ATTRS(2), | |
626 | VIN_UNIT_ATTRS(3), | |
627 | VIN_UNIT_ATTRS(4), | |
628 | VIN_UNIT_ATTRS(5), | |
629 | VIN_UNIT_ATTRS(6), | |
630 | VIN_UNIT_ATTRS(7), | |
631 | VIN_UNIT_ATTRS(8), | |
632 | VIN_UNIT_ATTRS(9), | |
633 | VIN_UNIT_ATTRS(10), | |
634 | &dev_attr_cpu0_vid.attr, | |
635 | &dev_attr_vrm.attr, | |
636 | &dev_attr_alarms_in.attr, | |
637 | NULL | |
638 | }; | |
639 | static const struct attribute_group pc8736x_vin_group = { | |
640 | .attrs = pc8736x_vin_attr_array, | |
641 | }; | |
642 | ||
eba42d30 | 643 | static ssize_t therm_input_show(struct device *dev, |
449a7a07 | 644 | struct device_attribute *devattr, char *buf) |
f0986bd8 JC |
645 | { |
646 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
647 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 648 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index], |
f0986bd8 JC |
649 | data->in_vref)); |
650 | } | |
eba42d30 | 651 | static ssize_t therm_min_show(struct device *dev, |
449a7a07 | 652 | struct device_attribute *devattr, char *buf) |
f0986bd8 JC |
653 | { |
654 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
655 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 656 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index], |
f0986bd8 JC |
657 | data->in_vref)); |
658 | } | |
eba42d30 | 659 | static ssize_t therm_max_show(struct device *dev, |
449a7a07 | 660 | struct device_attribute *devattr, char *buf) |
f0986bd8 JC |
661 | { |
662 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
663 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 664 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index], |
f0986bd8 JC |
665 | data->in_vref)); |
666 | } | |
eba42d30 | 667 | static ssize_t therm_crit_show(struct device *dev, |
449a7a07 | 668 | struct device_attribute *devattr, char *buf) |
f0986bd8 JC |
669 | { |
670 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
671 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 672 | return sprintf(buf, "%u\n", IN_FROM_REG(data->in_crit[attr->index-11], |
f0986bd8 JC |
673 | data->in_vref)); |
674 | } | |
eba42d30 | 675 | static ssize_t therm_status_show(struct device *dev, |
449a7a07 | 676 | struct device_attribute *devattr, char *buf) |
f0986bd8 JC |
677 | { |
678 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
679 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 680 | return sprintf(buf, "%u\n", data->in_status[attr->index]); |
f0986bd8 | 681 | } |
449a7a07 | 682 | |
eba42d30 GR |
683 | static ssize_t therm_min_store(struct device *dev, |
684 | struct device_attribute *devattr, | |
685 | const char *buf, size_t count) | |
f0986bd8 JC |
686 | { |
687 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 688 | struct pc87360_data *data = dev_get_drvdata(dev); |
449a7a07 GR |
689 | long val; |
690 | int err; | |
691 | ||
692 | err = kstrtol(buf, 10, &val); | |
693 | if (err) | |
694 | return err; | |
f0986bd8 | 695 | |
9a61bf63 | 696 | mutex_lock(&data->update_lock); |
694fa056 JC |
697 | data->in_min[attr->index] = IN_TO_REG(val, data->in_vref); |
698 | pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MIN, | |
699 | data->in_min[attr->index]); | |
9a61bf63 | 700 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
701 | return count; |
702 | } | |
449a7a07 | 703 | |
eba42d30 GR |
704 | static ssize_t therm_max_store(struct device *dev, |
705 | struct device_attribute *devattr, | |
706 | const char *buf, size_t count) | |
f0986bd8 JC |
707 | { |
708 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 709 | struct pc87360_data *data = dev_get_drvdata(dev); |
449a7a07 GR |
710 | long val; |
711 | int err; | |
712 | ||
713 | err = kstrtol(buf, 10, &val); | |
714 | if (err) | |
715 | return err; | |
f0986bd8 | 716 | |
9a61bf63 | 717 | mutex_lock(&data->update_lock); |
694fa056 JC |
718 | data->in_max[attr->index] = IN_TO_REG(val, data->in_vref); |
719 | pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MAX, | |
720 | data->in_max[attr->index]); | |
9a61bf63 | 721 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
722 | return count; |
723 | } | |
eba42d30 GR |
724 | static ssize_t therm_crit_store(struct device *dev, |
725 | struct device_attribute *devattr, | |
726 | const char *buf, size_t count) | |
f0986bd8 JC |
727 | { |
728 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 729 | struct pc87360_data *data = dev_get_drvdata(dev); |
449a7a07 GR |
730 | long val; |
731 | int err; | |
732 | ||
733 | err = kstrtol(buf, 10, &val); | |
734 | if (err) | |
735 | return err; | |
f0986bd8 | 736 | |
9a61bf63 | 737 | mutex_lock(&data->update_lock); |
694fa056 JC |
738 | data->in_crit[attr->index-11] = IN_TO_REG(val, data->in_vref); |
739 | pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_CRIT, | |
740 | data->in_crit[attr->index-11]); | |
9a61bf63 | 741 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
742 | return count; |
743 | } | |
744 | ||
3af2861e GR |
745 | /* |
746 | * the +11 term below reflects the fact that VLM units 11,12,13 are | |
747 | * used in the chip to measure voltage across the thermistors | |
748 | */ | |
dedc6a78 | 749 | static struct sensor_device_attribute therm_input[] = { |
eba42d30 GR |
750 | SENSOR_ATTR_RO(temp4_input, therm_input, 0 + 11), |
751 | SENSOR_ATTR_RO(temp5_input, therm_input, 1 + 11), | |
752 | SENSOR_ATTR_RO(temp6_input, therm_input, 2 + 11), | |
dedc6a78 JC |
753 | }; |
754 | static struct sensor_device_attribute therm_status[] = { | |
eba42d30 GR |
755 | SENSOR_ATTR_RO(temp4_status, therm_status, 0 + 11), |
756 | SENSOR_ATTR_RO(temp5_status, therm_status, 1 + 11), | |
757 | SENSOR_ATTR_RO(temp6_status, therm_status, 2 + 11), | |
dedc6a78 JC |
758 | }; |
759 | static struct sensor_device_attribute therm_min[] = { | |
eba42d30 GR |
760 | SENSOR_ATTR_RW(temp4_min, therm_min, 0 + 11), |
761 | SENSOR_ATTR_RW(temp5_min, therm_min, 1 + 11), | |
762 | SENSOR_ATTR_RW(temp6_min, therm_min, 2 + 11), | |
dedc6a78 JC |
763 | }; |
764 | static struct sensor_device_attribute therm_max[] = { | |
eba42d30 GR |
765 | SENSOR_ATTR_RW(temp4_max, therm_max, 0 + 11), |
766 | SENSOR_ATTR_RW(temp5_max, therm_max, 1 + 11), | |
767 | SENSOR_ATTR_RW(temp6_max, therm_max, 2 + 11), | |
dedc6a78 JC |
768 | }; |
769 | static struct sensor_device_attribute therm_crit[] = { | |
eba42d30 GR |
770 | SENSOR_ATTR_RW(temp4_crit, therm_crit, 0 + 11), |
771 | SENSOR_ATTR_RW(temp5_crit, therm_crit, 1 + 11), | |
772 | SENSOR_ATTR_RW(temp6_crit, therm_crit, 2 + 11), | |
dedc6a78 | 773 | }; |
1da177e4 | 774 | |
3af2861e GR |
775 | /* |
776 | * show_therm_min/max_alarm() reads data from the per-channel voltage | |
777 | * status register (sec 11.5.12) | |
778 | */ | |
865c2953 | 779 | |
eba42d30 GR |
780 | static ssize_t therm_min_alarm_show(struct device *dev, |
781 | struct device_attribute *devattr, | |
782 | char *buf) | |
865c2953 JC |
783 | { |
784 | struct pc87360_data *data = pc87360_update_device(dev); | |
785 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
786 | ||
787 | return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MIN)); | |
788 | } | |
eba42d30 GR |
789 | static ssize_t therm_max_alarm_show(struct device *dev, |
790 | struct device_attribute *devattr, | |
791 | char *buf) | |
865c2953 JC |
792 | { |
793 | struct pc87360_data *data = pc87360_update_device(dev); | |
794 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
795 | ||
796 | return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MAX)); | |
797 | } | |
eba42d30 GR |
798 | static ssize_t therm_crit_alarm_show(struct device *dev, |
799 | struct device_attribute *devattr, | |
800 | char *buf) | |
865c2953 JC |
801 | { |
802 | struct pc87360_data *data = pc87360_update_device(dev); | |
803 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
804 | ||
805 | return sprintf(buf, "%u\n", !!(data->in_status[nr] & TEMP_ALM_CRIT)); | |
806 | } | |
807 | ||
808 | static struct sensor_device_attribute therm_min_alarm[] = { | |
eba42d30 GR |
809 | SENSOR_ATTR_RO(temp4_min_alarm, therm_min_alarm, 0 + 11), |
810 | SENSOR_ATTR_RO(temp5_min_alarm, therm_min_alarm, 1 + 11), | |
811 | SENSOR_ATTR_RO(temp6_min_alarm, therm_min_alarm, 2 + 11), | |
865c2953 JC |
812 | }; |
813 | static struct sensor_device_attribute therm_max_alarm[] = { | |
eba42d30 GR |
814 | SENSOR_ATTR_RO(temp4_max_alarm, therm_max_alarm, 0 + 11), |
815 | SENSOR_ATTR_RO(temp5_max_alarm, therm_max_alarm, 1 + 11), | |
816 | SENSOR_ATTR_RO(temp6_max_alarm, therm_max_alarm, 2 + 11), | |
865c2953 JC |
817 | }; |
818 | static struct sensor_device_attribute therm_crit_alarm[] = { | |
eba42d30 GR |
819 | SENSOR_ATTR_RO(temp4_crit_alarm, therm_crit_alarm, 0 + 11), |
820 | SENSOR_ATTR_RO(temp5_crit_alarm, therm_crit_alarm, 1 + 11), | |
821 | SENSOR_ATTR_RO(temp6_crit_alarm, therm_crit_alarm, 2 + 11), | |
865c2953 JC |
822 | }; |
823 | ||
941c5c05 JC |
824 | #define THERM_UNIT_ATTRS(X) \ |
825 | &therm_input[X].dev_attr.attr, \ | |
826 | &therm_status[X].dev_attr.attr, \ | |
827 | &therm_min[X].dev_attr.attr, \ | |
828 | &therm_max[X].dev_attr.attr, \ | |
865c2953 JC |
829 | &therm_crit[X].dev_attr.attr, \ |
830 | &therm_min_alarm[X].dev_attr.attr, \ | |
831 | &therm_max_alarm[X].dev_attr.attr, \ | |
832 | &therm_crit_alarm[X].dev_attr.attr | |
941c5c05 | 833 | |
449a7a07 | 834 | static struct attribute *pc8736x_therm_attr_array[] = { |
941c5c05 JC |
835 | THERM_UNIT_ATTRS(0), |
836 | THERM_UNIT_ATTRS(1), | |
837 | THERM_UNIT_ATTRS(2), | |
838 | NULL | |
839 | }; | |
840 | static const struct attribute_group pc8736x_therm_group = { | |
841 | .attrs = pc8736x_therm_attr_array, | |
842 | }; | |
843 | ||
eba42d30 | 844 | static ssize_t temp_input_show(struct device *dev, |
449a7a07 | 845 | struct device_attribute *devattr, char *buf) |
f0986bd8 JC |
846 | { |
847 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
848 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 849 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index])); |
f0986bd8 | 850 | } |
449a7a07 | 851 | |
eba42d30 | 852 | static ssize_t temp_min_show(struct device *dev, |
449a7a07 | 853 | struct device_attribute *devattr, char *buf) |
f0986bd8 JC |
854 | { |
855 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
856 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 857 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[attr->index])); |
f0986bd8 | 858 | } |
449a7a07 | 859 | |
eba42d30 | 860 | static ssize_t temp_max_show(struct device *dev, |
449a7a07 | 861 | struct device_attribute *devattr, char *buf) |
f0986bd8 JC |
862 | { |
863 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
864 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 865 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[attr->index])); |
f0986bd8 | 866 | } |
449a7a07 | 867 | |
eba42d30 | 868 | static ssize_t temp_crit_show(struct device *dev, |
449a7a07 | 869 | struct device_attribute *devattr, char *buf) |
f0986bd8 JC |
870 | { |
871 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
872 | struct pc87360_data *data = pc87360_update_device(dev); | |
449a7a07 GR |
873 | return sprintf(buf, "%d\n", |
874 | TEMP_FROM_REG(data->temp_crit[attr->index])); | |
f0986bd8 | 875 | } |
449a7a07 | 876 | |
eba42d30 | 877 | static ssize_t temp_status_show(struct device *dev, |
449a7a07 | 878 | struct device_attribute *devattr, char *buf) |
f0986bd8 JC |
879 | { |
880 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
881 | struct pc87360_data *data = pc87360_update_device(dev); | |
694fa056 | 882 | return sprintf(buf, "%d\n", data->temp_status[attr->index]); |
f0986bd8 | 883 | } |
449a7a07 | 884 | |
eba42d30 GR |
885 | static ssize_t temp_min_store(struct device *dev, |
886 | struct device_attribute *devattr, | |
887 | const char *buf, size_t count) | |
f0986bd8 JC |
888 | { |
889 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 890 | struct pc87360_data *data = dev_get_drvdata(dev); |
449a7a07 GR |
891 | long val; |
892 | int err; | |
893 | ||
894 | err = kstrtol(buf, 10, &val); | |
895 | if (err) | |
896 | return err; | |
f0986bd8 | 897 | |
9a61bf63 | 898 | mutex_lock(&data->update_lock); |
694fa056 JC |
899 | data->temp_min[attr->index] = TEMP_TO_REG(val); |
900 | pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MIN, | |
901 | data->temp_min[attr->index]); | |
9a61bf63 | 902 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
903 | return count; |
904 | } | |
449a7a07 | 905 | |
eba42d30 GR |
906 | static ssize_t temp_max_store(struct device *dev, |
907 | struct device_attribute *devattr, | |
908 | const char *buf, size_t count) | |
f0986bd8 JC |
909 | { |
910 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 911 | struct pc87360_data *data = dev_get_drvdata(dev); |
449a7a07 GR |
912 | long val; |
913 | int err; | |
914 | ||
915 | err = kstrtol(buf, 10, &val); | |
916 | if (err) | |
917 | return err; | |
f0986bd8 | 918 | |
9a61bf63 | 919 | mutex_lock(&data->update_lock); |
694fa056 JC |
920 | data->temp_max[attr->index] = TEMP_TO_REG(val); |
921 | pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MAX, | |
922 | data->temp_max[attr->index]); | |
9a61bf63 | 923 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
924 | return count; |
925 | } | |
449a7a07 | 926 | |
eba42d30 GR |
927 | static ssize_t temp_crit_store(struct device *dev, |
928 | struct device_attribute *devattr, | |
929 | const char *buf, size_t count) | |
f0986bd8 JC |
930 | { |
931 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
f641b588 | 932 | struct pc87360_data *data = dev_get_drvdata(dev); |
449a7a07 GR |
933 | long val; |
934 | int err; | |
935 | ||
936 | err = kstrtol(buf, 10, &val); | |
937 | if (err) | |
938 | return err; | |
f0986bd8 | 939 | |
9a61bf63 | 940 | mutex_lock(&data->update_lock); |
694fa056 JC |
941 | data->temp_crit[attr->index] = TEMP_TO_REG(val); |
942 | pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_CRIT, | |
943 | data->temp_crit[attr->index]); | |
9a61bf63 | 944 | mutex_unlock(&data->update_lock); |
f0986bd8 JC |
945 | return count; |
946 | } | |
947 | ||
dedc6a78 | 948 | static struct sensor_device_attribute temp_input[] = { |
eba42d30 GR |
949 | SENSOR_ATTR_RO(temp1_input, temp_input, 0), |
950 | SENSOR_ATTR_RO(temp2_input, temp_input, 1), | |
951 | SENSOR_ATTR_RO(temp3_input, temp_input, 2), | |
dedc6a78 JC |
952 | }; |
953 | static struct sensor_device_attribute temp_status[] = { | |
eba42d30 GR |
954 | SENSOR_ATTR_RO(temp1_status, temp_status, 0), |
955 | SENSOR_ATTR_RO(temp2_status, temp_status, 1), | |
956 | SENSOR_ATTR_RO(temp3_status, temp_status, 2), | |
dedc6a78 JC |
957 | }; |
958 | static struct sensor_device_attribute temp_min[] = { | |
eba42d30 GR |
959 | SENSOR_ATTR_RW(temp1_min, temp_min, 0), |
960 | SENSOR_ATTR_RW(temp2_min, temp_min, 1), | |
961 | SENSOR_ATTR_RW(temp3_min, temp_min, 2), | |
dedc6a78 JC |
962 | }; |
963 | static struct sensor_device_attribute temp_max[] = { | |
eba42d30 GR |
964 | SENSOR_ATTR_RW(temp1_max, temp_max, 0), |
965 | SENSOR_ATTR_RW(temp2_max, temp_max, 1), | |
966 | SENSOR_ATTR_RW(temp3_max, temp_max, 2), | |
dedc6a78 JC |
967 | }; |
968 | static struct sensor_device_attribute temp_crit[] = { | |
eba42d30 GR |
969 | SENSOR_ATTR_RW(temp1_crit, temp_crit, 0), |
970 | SENSOR_ATTR_RW(temp2_crit, temp_crit, 1), | |
971 | SENSOR_ATTR_RW(temp3_crit, temp_crit, 2), | |
dedc6a78 | 972 | }; |
1da177e4 | 973 | |
e33110d0 | 974 | static ssize_t alarms_temp_show(struct device *dev, |
449a7a07 | 975 | struct device_attribute *attr, char *buf) |
1da177e4 LT |
976 | { |
977 | struct pc87360_data *data = pc87360_update_device(dev); | |
978 | return sprintf(buf, "%u\n", data->temp_alarms); | |
979 | } | |
449a7a07 | 980 | |
e33110d0 | 981 | static DEVICE_ATTR_RO(alarms_temp); |
1da177e4 | 982 | |
3af2861e GR |
983 | /* |
984 | * show_temp_min/max_alarm() reads data from the per-channel status | |
985 | * register (sec 12.3.7), not the temp event status registers (sec | |
986 | * 12.3.2) that show_temp_alarm() reads (via data->temp_alarms) | |
987 | */ | |
b267e8cd | 988 | |
eba42d30 GR |
989 | static ssize_t temp_min_alarm_show(struct device *dev, |
990 | struct device_attribute *devattr, | |
991 | char *buf) | |
b267e8cd JC |
992 | { |
993 | struct pc87360_data *data = pc87360_update_device(dev); | |
994 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
995 | ||
996 | return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MIN)); | |
997 | } | |
449a7a07 | 998 | |
eba42d30 GR |
999 | static ssize_t temp_max_alarm_show(struct device *dev, |
1000 | struct device_attribute *devattr, | |
1001 | char *buf) | |
b267e8cd JC |
1002 | { |
1003 | struct pc87360_data *data = pc87360_update_device(dev); | |
1004 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
1005 | ||
1006 | return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MAX)); | |
1007 | } | |
449a7a07 | 1008 | |
eba42d30 GR |
1009 | static ssize_t temp_crit_alarm_show(struct device *dev, |
1010 | struct device_attribute *devattr, | |
1011 | char *buf) | |
b267e8cd JC |
1012 | { |
1013 | struct pc87360_data *data = pc87360_update_device(dev); | |
1014 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
1015 | ||
1016 | return sprintf(buf, "%u\n", !!(data->temp_status[nr] & TEMP_ALM_CRIT)); | |
1017 | } | |
1018 | ||
1019 | static struct sensor_device_attribute temp_min_alarm[] = { | |
eba42d30 GR |
1020 | SENSOR_ATTR_RO(temp1_min_alarm, temp_min_alarm, 0), |
1021 | SENSOR_ATTR_RO(temp2_min_alarm, temp_min_alarm, 1), | |
1022 | SENSOR_ATTR_RO(temp3_min_alarm, temp_min_alarm, 2), | |
b267e8cd | 1023 | }; |
449a7a07 | 1024 | |
b267e8cd | 1025 | static struct sensor_device_attribute temp_max_alarm[] = { |
eba42d30 GR |
1026 | SENSOR_ATTR_RO(temp1_max_alarm, temp_max_alarm, 0), |
1027 | SENSOR_ATTR_RO(temp2_max_alarm, temp_max_alarm, 1), | |
1028 | SENSOR_ATTR_RO(temp3_max_alarm, temp_max_alarm, 2), | |
b267e8cd | 1029 | }; |
449a7a07 | 1030 | |
b267e8cd | 1031 | static struct sensor_device_attribute temp_crit_alarm[] = { |
eba42d30 GR |
1032 | SENSOR_ATTR_RO(temp1_crit_alarm, temp_crit_alarm, 0), |
1033 | SENSOR_ATTR_RO(temp2_crit_alarm, temp_crit_alarm, 1), | |
1034 | SENSOR_ATTR_RO(temp3_crit_alarm, temp_crit_alarm, 2), | |
b267e8cd JC |
1035 | }; |
1036 | ||
1037 | #define TEMP_FAULT 0x40 /* open diode */ | |
eba42d30 GR |
1038 | static ssize_t temp_fault_show(struct device *dev, |
1039 | struct device_attribute *devattr, char *buf) | |
b267e8cd JC |
1040 | { |
1041 | struct pc87360_data *data = pc87360_update_device(dev); | |
1042 | unsigned nr = to_sensor_dev_attr(devattr)->index; | |
1043 | ||
1044 | return sprintf(buf, "%u\n", !!(data->temp_status[nr] & TEMP_FAULT)); | |
1045 | } | |
1046 | static struct sensor_device_attribute temp_fault[] = { | |
eba42d30 GR |
1047 | SENSOR_ATTR_RO(temp1_fault, temp_fault, 0), |
1048 | SENSOR_ATTR_RO(temp2_fault, temp_fault, 1), | |
1049 | SENSOR_ATTR_RO(temp3_fault, temp_fault, 2), | |
b267e8cd JC |
1050 | }; |
1051 | ||
bce2778d GR |
1052 | #define TEMP_UNIT_ATTRS(X) \ |
1053 | { &temp_input[X].dev_attr.attr, \ | |
1054 | &temp_status[X].dev_attr.attr, \ | |
1055 | &temp_min[X].dev_attr.attr, \ | |
1056 | &temp_max[X].dev_attr.attr, \ | |
1057 | &temp_crit[X].dev_attr.attr, \ | |
1058 | &temp_min_alarm[X].dev_attr.attr, \ | |
1059 | &temp_max_alarm[X].dev_attr.attr, \ | |
1060 | &temp_crit_alarm[X].dev_attr.attr, \ | |
1061 | &temp_fault[X].dev_attr.attr, \ | |
1062 | NULL \ | |
1063 | } | |
1064 | ||
1065 | static struct attribute *pc8736x_temp_attr[][10] = { | |
941c5c05 JC |
1066 | TEMP_UNIT_ATTRS(0), |
1067 | TEMP_UNIT_ATTRS(1), | |
bce2778d | 1068 | TEMP_UNIT_ATTRS(2) |
941c5c05 | 1069 | }; |
449a7a07 | 1070 | |
bce2778d GR |
1071 | static const struct attribute_group pc8736x_temp_attr_group[] = { |
1072 | { .attrs = pc8736x_temp_attr[0] }, | |
1073 | { .attrs = pc8736x_temp_attr[1] }, | |
1074 | { .attrs = pc8736x_temp_attr[2] } | |
941c5c05 JC |
1075 | }; |
1076 | ||
e33110d0 | 1077 | static ssize_t name_show(struct device *dev, |
b267e8cd | 1078 | struct device_attribute *devattr, char *buf) |
f641b588 JD |
1079 | { |
1080 | struct pc87360_data *data = dev_get_drvdata(dev); | |
1081 | return sprintf(buf, "%s\n", data->name); | |
1082 | } | |
449a7a07 | 1083 | |
e33110d0 | 1084 | static DEVICE_ATTR_RO(name); |
f641b588 | 1085 | |
1da177e4 LT |
1086 | /* |
1087 | * Device detection, registration and update | |
1088 | */ | |
1089 | ||
449a7a07 GR |
1090 | static int __init pc87360_find(int sioaddr, u8 *devid, |
1091 | unsigned short *addresses) | |
1da177e4 LT |
1092 | { |
1093 | u16 val; | |
1094 | int i; | |
1095 | int nrdev; /* logical device count */ | |
1096 | ||
1097 | /* No superio_enter */ | |
1098 | ||
1099 | /* Identify device */ | |
67b671bc | 1100 | val = force_id ? force_id : superio_inb(sioaddr, DEVID); |
1da177e4 LT |
1101 | switch (val) { |
1102 | case 0xE1: /* PC87360 */ | |
1103 | case 0xE8: /* PC87363 */ | |
1104 | case 0xE4: /* PC87364 */ | |
1105 | nrdev = 1; | |
1106 | break; | |
1107 | case 0xE5: /* PC87365 */ | |
1108 | case 0xE9: /* PC87366 */ | |
1109 | nrdev = 3; | |
1110 | break; | |
1111 | default: | |
1112 | superio_exit(sioaddr); | |
1113 | return -ENODEV; | |
1114 | } | |
1115 | /* Remember the device id */ | |
1116 | *devid = val; | |
1117 | ||
1118 | for (i = 0; i < nrdev; i++) { | |
1119 | /* select logical device */ | |
1120 | superio_outb(sioaddr, DEV, logdev[i]); | |
1121 | ||
1122 | val = superio_inb(sioaddr, ACT); | |
1123 | if (!(val & 0x01)) { | |
9e991c6f | 1124 | pr_info("Device 0x%02x not activated\n", logdev[i]); |
1da177e4 LT |
1125 | continue; |
1126 | } | |
1127 | ||
1128 | val = (superio_inb(sioaddr, BASE) << 8) | |
1129 | | superio_inb(sioaddr, BASE + 1); | |
1130 | if (!val) { | |
9e991c6f JP |
1131 | pr_info("Base address not set for device 0x%02x\n", |
1132 | logdev[i]); | |
1da177e4 LT |
1133 | continue; |
1134 | } | |
1135 | ||
2d8672c5 | 1136 | addresses[i] = val; |
1da177e4 | 1137 | |
449a7a07 | 1138 | if (i == 0) { /* Fans */ |
1da177e4 LT |
1139 | confreg[0] = superio_inb(sioaddr, 0xF0); |
1140 | confreg[1] = superio_inb(sioaddr, 0xF1); | |
1141 | ||
9e991c6f JP |
1142 | pr_debug("Fan %d: mon=%d ctrl=%d inv=%d\n", 1, |
1143 | (confreg[0] >> 2) & 1, (confreg[0] >> 3) & 1, | |
1144 | (confreg[0] >> 4) & 1); | |
1145 | pr_debug("Fan %d: mon=%d ctrl=%d inv=%d\n", 2, | |
1146 | (confreg[0] >> 5) & 1, (confreg[0] >> 6) & 1, | |
1147 | (confreg[0] >> 7) & 1); | |
1148 | pr_debug("Fan %d: mon=%d ctrl=%d inv=%d\n", 3, | |
1149 | confreg[1] & 1, (confreg[1] >> 1) & 1, | |
1150 | (confreg[1] >> 2) & 1); | |
449a7a07 | 1151 | } else if (i == 1) { /* Voltages */ |
1da177e4 LT |
1152 | /* Are we using thermistors? */ |
1153 | if (*devid == 0xE9) { /* PC87366 */ | |
3af2861e GR |
1154 | /* |
1155 | * These registers are not logical-device | |
1156 | * specific, just that we won't need them if | |
1157 | * we don't use the VLM device | |
1158 | */ | |
1da177e4 LT |
1159 | confreg[2] = superio_inb(sioaddr, 0x2B); |
1160 | confreg[3] = superio_inb(sioaddr, 0x25); | |
1161 | ||
1162 | if (confreg[2] & 0x40) { | |
b55f3757 | 1163 | pr_info("Using thermistors for temperature monitoring\n"); |
1da177e4 LT |
1164 | } |
1165 | if (confreg[3] & 0xE0) { | |
9e991c6f JP |
1166 | pr_info("VID inputs routed (mode %u)\n", |
1167 | confreg[3] >> 5); | |
1da177e4 LT |
1168 | } |
1169 | } | |
1170 | } | |
1171 | } | |
1172 | ||
1173 | superio_exit(sioaddr); | |
1174 | return 0; | |
1175 | } | |
1176 | ||
bce2778d GR |
1177 | static void pc87360_remove_files(struct device *dev) |
1178 | { | |
1179 | int i; | |
1180 | ||
1181 | device_remove_file(dev, &dev_attr_name); | |
1182 | device_remove_file(dev, &dev_attr_alarms_temp); | |
1183 | for (i = 0; i < ARRAY_SIZE(pc8736x_temp_attr_group); i++) | |
1184 | sysfs_remove_group(&dev->kobj, &pc8736x_temp_attr_group[i]); | |
1185 | for (i = 0; i < ARRAY_SIZE(pc8736x_fan_attr_group); i++) { | |
1186 | sysfs_remove_group(&pdev->dev.kobj, &pc8736x_fan_attr_group[i]); | |
1187 | device_remove_file(dev, &pwm[i].dev_attr); | |
1188 | } | |
1189 | sysfs_remove_group(&dev->kobj, &pc8736x_therm_group); | |
1190 | sysfs_remove_group(&dev->kobj, &pc8736x_vin_group); | |
1191 | } | |
1192 | ||
6c931ae1 | 1193 | static int pc87360_probe(struct platform_device *pdev) |
1da177e4 LT |
1194 | { |
1195 | int i; | |
1da177e4 LT |
1196 | struct pc87360_data *data; |
1197 | int err = 0; | |
5b581575 | 1198 | const char *name; |
1da177e4 | 1199 | int use_thermistors = 0; |
f641b588 | 1200 | struct device *dev = &pdev->dev; |
1da177e4 | 1201 | |
61d4d17e | 1202 | data = devm_kzalloc(dev, sizeof(struct pc87360_data), GFP_KERNEL); |
449a7a07 | 1203 | if (!data) |
1da177e4 | 1204 | return -ENOMEM; |
1da177e4 | 1205 | |
1da177e4 | 1206 | switch (devid) { |
5b581575 JD |
1207 | default: |
1208 | name = "pc87360"; | |
1209 | data->fannr = 2; | |
1210 | break; | |
1da177e4 LT |
1211 | case 0xe8: |
1212 | name = "pc87363"; | |
5b581575 | 1213 | data->fannr = 2; |
1da177e4 LT |
1214 | break; |
1215 | case 0xe4: | |
1216 | name = "pc87364"; | |
1217 | data->fannr = 3; | |
1218 | break; | |
1219 | case 0xe5: | |
1220 | name = "pc87365"; | |
1221 | data->fannr = extra_isa[0] ? 3 : 0; | |
1222 | data->innr = extra_isa[1] ? 11 : 0; | |
1223 | data->tempnr = extra_isa[2] ? 2 : 0; | |
1224 | break; | |
1225 | case 0xe9: | |
1226 | name = "pc87366"; | |
1227 | data->fannr = extra_isa[0] ? 3 : 0; | |
1228 | data->innr = extra_isa[1] ? 14 : 0; | |
1229 | data->tempnr = extra_isa[2] ? 3 : 0; | |
1230 | break; | |
1231 | } | |
1232 | ||
f641b588 | 1233 | data->name = name; |
f641b588 | 1234 | mutex_init(&data->lock); |
9a61bf63 | 1235 | mutex_init(&data->update_lock); |
f641b588 | 1236 | platform_set_drvdata(pdev, data); |
1da177e4 | 1237 | |
2a32ec25 | 1238 | for (i = 0; i < LDNI_MAX; i++) { |
449a7a07 GR |
1239 | data->address[i] = extra_isa[i]; |
1240 | if (data->address[i] | |
61d4d17e GR |
1241 | && !devm_request_region(dev, extra_isa[i], PC87360_EXTENT, |
1242 | pc87360_driver.driver.name)) { | |
b55f3757 GR |
1243 | dev_err(dev, |
1244 | "Region 0x%x-0x%x already in use!\n", | |
1245 | extra_isa[i], extra_isa[i]+PC87360_EXTENT-1); | |
61d4d17e | 1246 | return -EBUSY; |
1da177e4 LT |
1247 | } |
1248 | } | |
1249 | ||
1250 | /* Retrieve the fans configuration from Super-I/O space */ | |
1251 | if (data->fannr) | |
1252 | data->fan_conf = confreg[0] | (confreg[1] << 8); | |
1253 | ||
3af2861e GR |
1254 | /* |
1255 | * Use the correct reference voltage | |
1256 | * Unless both the VLM and the TMS logical devices agree to | |
1257 | * use an external Vref, the internal one is used. | |
1258 | */ | |
1da177e4 LT |
1259 | if (data->innr) { |
1260 | i = pc87360_read_value(data, LD_IN, NO_BANK, | |
1261 | PC87365_REG_IN_CONFIG); | |
1262 | if (data->tempnr) { | |
1263 | i &= pc87360_read_value(data, LD_TEMP, NO_BANK, | |
1264 | PC87365_REG_TEMP_CONFIG); | |
1265 | } | |
1266 | data->in_vref = (i&0x02) ? 3025 : 2966; | |
f641b588 | 1267 | dev_dbg(dev, "Using %s reference voltage\n", |
1da177e4 LT |
1268 | (i&0x02) ? "external" : "internal"); |
1269 | ||
1270 | data->vid_conf = confreg[3]; | |
3d7f9a86 | 1271 | data->vrm = vid_which_vrm(); |
1da177e4 LT |
1272 | } |
1273 | ||
1274 | /* Fan clock dividers may be needed before any data is read */ | |
1275 | for (i = 0; i < data->fannr; i++) { | |
1276 | if (FAN_CONFIG_MONITOR(data->fan_conf, i)) | |
1277 | data->fan_status[i] = pc87360_read_value(data, | |
1278 | LD_FAN, NO_BANK, | |
1279 | PC87360_REG_FAN_STATUS(i)); | |
1280 | } | |
1281 | ||
1282 | if (init > 0) { | |
1283 | if (devid == 0xe9 && data->address[1]) /* PC87366 */ | |
1284 | use_thermistors = confreg[2] & 0x40; | |
1285 | ||
f641b588 | 1286 | pc87360_init_device(pdev, use_thermistors); |
1da177e4 LT |
1287 | } |
1288 | ||
f3722d5b JC |
1289 | /* Register all-or-nothing sysfs groups */ |
1290 | ||
449a7a07 GR |
1291 | if (data->innr) { |
1292 | err = sysfs_create_group(&dev->kobj, &pc8736x_vin_group); | |
1293 | if (err) | |
61d4d17e | 1294 | goto error; |
449a7a07 | 1295 | } |
943b0830 | 1296 | |
449a7a07 GR |
1297 | if (data->innr == 14) { |
1298 | err = sysfs_create_group(&dev->kobj, &pc8736x_therm_group); | |
1299 | if (err) | |
61d4d17e | 1300 | goto error; |
449a7a07 | 1301 | } |
f3722d5b JC |
1302 | |
1303 | /* create device attr-files for varying sysfs groups */ | |
1da177e4 LT |
1304 | |
1305 | if (data->tempnr) { | |
dedc6a78 | 1306 | for (i = 0; i < data->tempnr; i++) { |
bce2778d GR |
1307 | err = sysfs_create_group(&dev->kobj, |
1308 | &pc8736x_temp_attr_group[i]); | |
1309 | if (err) | |
61d4d17e | 1310 | goto error; |
1da177e4 | 1311 | } |
449a7a07 GR |
1312 | err = device_create_file(dev, &dev_attr_alarms_temp); |
1313 | if (err) | |
61d4d17e | 1314 | goto error; |
1da177e4 | 1315 | } |
1da177e4 | 1316 | |
dedc6a78 | 1317 | for (i = 0; i < data->fannr; i++) { |
bce2778d GR |
1318 | if (FAN_CONFIG_MONITOR(data->fan_conf, i)) { |
1319 | err = sysfs_create_group(&dev->kobj, | |
1320 | &pc8736x_fan_attr_group[i]); | |
1321 | if (err) | |
61d4d17e | 1322 | goto error; |
bce2778d | 1323 | } |
449a7a07 GR |
1324 | if (FAN_CONFIG_CONTROL(data->fan_conf, i)) { |
1325 | err = device_create_file(dev, &pwm[i].dev_attr); | |
1326 | if (err) | |
61d4d17e | 1327 | goto error; |
449a7a07 | 1328 | } |
1da177e4 LT |
1329 | } |
1330 | ||
449a7a07 GR |
1331 | err = device_create_file(dev, &dev_attr_name); |
1332 | if (err) | |
61d4d17e | 1333 | goto error; |
f641b588 | 1334 | |
1beeffe4 TJ |
1335 | data->hwmon_dev = hwmon_device_register(dev); |
1336 | if (IS_ERR(data->hwmon_dev)) { | |
1337 | err = PTR_ERR(data->hwmon_dev); | |
61d4d17e | 1338 | goto error; |
f3722d5b | 1339 | } |
1da177e4 LT |
1340 | return 0; |
1341 | ||
61d4d17e | 1342 | error: |
bce2778d | 1343 | pc87360_remove_files(dev); |
1da177e4 LT |
1344 | return err; |
1345 | } | |
1346 | ||
281dfd0b | 1347 | static int pc87360_remove(struct platform_device *pdev) |
1da177e4 | 1348 | { |
f641b588 | 1349 | struct pc87360_data *data = platform_get_drvdata(pdev); |
1da177e4 | 1350 | |
1beeffe4 | 1351 | hwmon_device_unregister(data->hwmon_dev); |
bce2778d | 1352 | pc87360_remove_files(&pdev->dev); |
1da177e4 LT |
1353 | |
1354 | return 0; | |
1355 | } | |
1356 | ||
3af2861e GR |
1357 | /* |
1358 | * ldi is the logical device index | |
1359 | * bank is for voltages and temperatures only | |
1360 | */ | |
1da177e4 LT |
1361 | static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank, |
1362 | u8 reg) | |
1363 | { | |
1364 | int res; | |
1365 | ||
9a61bf63 | 1366 | mutex_lock(&(data->lock)); |
1da177e4 LT |
1367 | if (bank != NO_BANK) |
1368 | outb_p(bank, data->address[ldi] + PC87365_REG_BANK); | |
1369 | res = inb_p(data->address[ldi] + reg); | |
9a61bf63 | 1370 | mutex_unlock(&(data->lock)); |
1da177e4 LT |
1371 | |
1372 | return res; | |
1373 | } | |
1374 | ||
1375 | static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank, | |
1376 | u8 reg, u8 value) | |
1377 | { | |
9a61bf63 | 1378 | mutex_lock(&(data->lock)); |
1da177e4 LT |
1379 | if (bank != NO_BANK) |
1380 | outb_p(bank, data->address[ldi] + PC87365_REG_BANK); | |
1381 | outb_p(value, data->address[ldi] + reg); | |
9a61bf63 | 1382 | mutex_unlock(&(data->lock)); |
1da177e4 LT |
1383 | } |
1384 | ||
28f74e71 JC |
1385 | /* (temp & vin) channel conversion status register flags (pdf sec.11.5.12) */ |
1386 | #define CHAN_CNVRTD 0x80 /* new data ready */ | |
1387 | #define CHAN_ENA 0x01 /* enabled channel (temp or vin) */ | |
1388 | #define CHAN_ALM_ENA 0x10 /* propagate to alarms-reg ?? (chk val!) */ | |
1389 | #define CHAN_READY (CHAN_ENA|CHAN_CNVRTD) /* sample ready mask */ | |
1390 | ||
b267e8cd JC |
1391 | #define TEMP_OTS_OE 0x20 /* OTS Output Enable */ |
1392 | #define VIN_RW1C_MASK (CHAN_READY|CHAN_ALM_MAX|CHAN_ALM_MIN) /* 0x87 */ | |
1393 | #define TEMP_RW1C_MASK (VIN_RW1C_MASK|TEMP_ALM_CRIT|TEMP_FAULT) /* 0xCF */ | |
1394 | ||
f641b588 JD |
1395 | static void pc87360_init_device(struct platform_device *pdev, |
1396 | int use_thermistors) | |
1da177e4 | 1397 | { |
f641b588 | 1398 | struct pc87360_data *data = platform_get_drvdata(pdev); |
1da177e4 LT |
1399 | int i, nr; |
1400 | const u8 init_in[14] = { 2, 2, 2, 2, 2, 2, 2, 1, 1, 3, 1, 2, 2, 2 }; | |
1401 | const u8 init_temp[3] = { 2, 2, 1 }; | |
1402 | u8 reg; | |
1403 | ||
1404 | if (init >= 2 && data->innr) { | |
1405 | reg = pc87360_read_value(data, LD_IN, NO_BANK, | |
1406 | PC87365_REG_IN_CONVRATE); | |
b55f3757 GR |
1407 | dev_info(&pdev->dev, |
1408 | "VLM conversion set to 1s period, 160us delay\n"); | |
1da177e4 LT |
1409 | pc87360_write_value(data, LD_IN, NO_BANK, |
1410 | PC87365_REG_IN_CONVRATE, | |
1411 | (reg & 0xC0) | 0x11); | |
1412 | } | |
1413 | ||
1414 | nr = data->innr < 11 ? data->innr : 11; | |
dedc6a78 | 1415 | for (i = 0; i < nr; i++) { |
8ca13674 JC |
1416 | reg = pc87360_read_value(data, LD_IN, i, |
1417 | PC87365_REG_IN_STATUS); | |
1418 | dev_dbg(&pdev->dev, "bios in%d status:0x%02x\n", i, reg); | |
1da177e4 LT |
1419 | if (init >= init_in[i]) { |
1420 | /* Forcibly enable voltage channel */ | |
28f74e71 | 1421 | if (!(reg & CHAN_ENA)) { |
b55f3757 GR |
1422 | dev_dbg(&pdev->dev, "Forcibly enabling in%d\n", |
1423 | i); | |
1da177e4 LT |
1424 | pc87360_write_value(data, LD_IN, i, |
1425 | PC87365_REG_IN_STATUS, | |
1426 | (reg & 0x68) | 0x87); | |
1427 | } | |
1428 | } | |
1429 | } | |
1430 | ||
3af2861e GR |
1431 | /* |
1432 | * We can't blindly trust the Super-I/O space configuration bit, | |
1433 | * most BIOS won't set it properly | |
1434 | */ | |
8ca13674 | 1435 | dev_dbg(&pdev->dev, "bios thermistors:%d\n", use_thermistors); |
dedc6a78 | 1436 | for (i = 11; i < data->innr; i++) { |
1da177e4 LT |
1437 | reg = pc87360_read_value(data, LD_IN, i, |
1438 | PC87365_REG_TEMP_STATUS); | |
28f74e71 | 1439 | use_thermistors = use_thermistors || (reg & CHAN_ENA); |
8ca13674 JC |
1440 | /* thermistors are temp[4-6], measured on vin[11-14] */ |
1441 | dev_dbg(&pdev->dev, "bios temp%d_status:0x%02x\n", i-7, reg); | |
1da177e4 | 1442 | } |
8ca13674 | 1443 | dev_dbg(&pdev->dev, "using thermistors:%d\n", use_thermistors); |
1da177e4 LT |
1444 | |
1445 | i = use_thermistors ? 2 : 0; | |
dedc6a78 | 1446 | for (; i < data->tempnr; i++) { |
8ca13674 JC |
1447 | reg = pc87360_read_value(data, LD_TEMP, i, |
1448 | PC87365_REG_TEMP_STATUS); | |
449a7a07 | 1449 | dev_dbg(&pdev->dev, "bios temp%d_status:0x%02x\n", i + 1, reg); |
1da177e4 LT |
1450 | if (init >= init_temp[i]) { |
1451 | /* Forcibly enable temperature channel */ | |
28f74e71 | 1452 | if (!(reg & CHAN_ENA)) { |
449a7a07 GR |
1453 | dev_dbg(&pdev->dev, |
1454 | "Forcibly enabling temp%d\n", i + 1); | |
1da177e4 LT |
1455 | pc87360_write_value(data, LD_TEMP, i, |
1456 | PC87365_REG_TEMP_STATUS, | |
1457 | 0xCF); | |
1458 | } | |
1459 | } | |
1460 | } | |
1461 | ||
1462 | if (use_thermistors) { | |
dedc6a78 | 1463 | for (i = 11; i < data->innr; i++) { |
1da177e4 | 1464 | if (init >= init_in[i]) { |
3af2861e GR |
1465 | /* |
1466 | * The pin may already be used by thermal | |
1467 | * diodes | |
1468 | */ | |
1da177e4 | 1469 | reg = pc87360_read_value(data, LD_TEMP, |
449a7a07 | 1470 | (i - 11) / 2, PC87365_REG_TEMP_STATUS); |
28f74e71 | 1471 | if (reg & CHAN_ENA) { |
449a7a07 GR |
1472 | dev_dbg(&pdev->dev, |
1473 | "Skipping temp%d, pin already in use by temp%d\n", | |
1474 | i - 7, (i - 11) / 2); | |
1da177e4 LT |
1475 | continue; |
1476 | } | |
1477 | ||
1478 | /* Forcibly enable thermistor channel */ | |
1479 | reg = pc87360_read_value(data, LD_IN, i, | |
1480 | PC87365_REG_IN_STATUS); | |
28f74e71 | 1481 | if (!(reg & CHAN_ENA)) { |
449a7a07 GR |
1482 | dev_dbg(&pdev->dev, |
1483 | "Forcibly enabling temp%d\n", | |
1484 | i - 7); | |
1da177e4 LT |
1485 | pc87360_write_value(data, LD_IN, i, |
1486 | PC87365_REG_TEMP_STATUS, | |
1487 | (reg & 0x60) | 0x8F); | |
1488 | } | |
1489 | } | |
1490 | } | |
1491 | } | |
1492 | ||
1493 | if (data->innr) { | |
1494 | reg = pc87360_read_value(data, LD_IN, NO_BANK, | |
1495 | PC87365_REG_IN_CONFIG); | |
8ca13674 | 1496 | dev_dbg(&pdev->dev, "bios vin-cfg:0x%02x\n", reg); |
28f74e71 | 1497 | if (reg & CHAN_ENA) { |
449a7a07 GR |
1498 | dev_dbg(&pdev->dev, |
1499 | "Forcibly enabling monitoring (VLM)\n"); | |
1da177e4 LT |
1500 | pc87360_write_value(data, LD_IN, NO_BANK, |
1501 | PC87365_REG_IN_CONFIG, | |
1502 | reg & 0xFE); | |
1503 | } | |
1504 | } | |
1505 | ||
1506 | if (data->tempnr) { | |
1507 | reg = pc87360_read_value(data, LD_TEMP, NO_BANK, | |
1508 | PC87365_REG_TEMP_CONFIG); | |
8ca13674 | 1509 | dev_dbg(&pdev->dev, "bios temp-cfg:0x%02x\n", reg); |
28f74e71 | 1510 | if (reg & CHAN_ENA) { |
449a7a07 GR |
1511 | dev_dbg(&pdev->dev, |
1512 | "Forcibly enabling monitoring (TMS)\n"); | |
1da177e4 LT |
1513 | pc87360_write_value(data, LD_TEMP, NO_BANK, |
1514 | PC87365_REG_TEMP_CONFIG, | |
1515 | reg & 0xFE); | |
1516 | } | |
1517 | ||
1518 | if (init >= 2) { | |
1519 | /* Chip config as documented by National Semi. */ | |
1520 | pc87360_write_value(data, LD_TEMP, 0xF, 0xA, 0x08); | |
3af2861e GR |
1521 | /* |
1522 | * We voluntarily omit the bank here, in case the | |
1523 | * sequence itself matters. It shouldn't be a problem, | |
1524 | * since nobody else is supposed to access the | |
1525 | * device at that point. | |
1526 | */ | |
1da177e4 LT |
1527 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xB, 0x04); |
1528 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xC, 0x35); | |
1529 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xD, 0x05); | |
1530 | pc87360_write_value(data, LD_TEMP, NO_BANK, 0xE, 0x05); | |
1531 | } | |
1532 | } | |
1533 | } | |
1534 | ||
f641b588 | 1535 | static void pc87360_autodiv(struct device *dev, int nr) |
1da177e4 | 1536 | { |
f641b588 | 1537 | struct pc87360_data *data = dev_get_drvdata(dev); |
1da177e4 LT |
1538 | u8 old_min = data->fan_min[nr]; |
1539 | ||
1540 | /* Increase clock divider if needed and possible */ | |
1541 | if ((data->fan_status[nr] & 0x04) /* overflow flag */ | |
1542 | || (data->fan[nr] >= 224)) { /* next to overflow */ | |
1543 | if ((data->fan_status[nr] & 0x60) != 0x60) { | |
1544 | data->fan_status[nr] += 0x20; | |
1545 | data->fan_min[nr] >>= 1; | |
1546 | data->fan[nr] >>= 1; | |
b55f3757 GR |
1547 | dev_dbg(dev, |
1548 | "Increasing clock divider to %d for fan %d\n", | |
449a7a07 | 1549 | FAN_DIV_FROM_REG(data->fan_status[nr]), nr + 1); |
1da177e4 LT |
1550 | } |
1551 | } else { | |
1552 | /* Decrease clock divider if possible */ | |
1553 | while (!(data->fan_min[nr] & 0x80) /* min "nails" divider */ | |
1554 | && data->fan[nr] < 85 /* bad accuracy */ | |
1555 | && (data->fan_status[nr] & 0x60) != 0x00) { | |
1556 | data->fan_status[nr] -= 0x20; | |
1557 | data->fan_min[nr] <<= 1; | |
1558 | data->fan[nr] <<= 1; | |
b55f3757 GR |
1559 | dev_dbg(dev, |
1560 | "Decreasing clock divider to %d for fan %d\n", | |
1da177e4 | 1561 | FAN_DIV_FROM_REG(data->fan_status[nr]), |
449a7a07 | 1562 | nr + 1); |
1da177e4 LT |
1563 | } |
1564 | } | |
1565 | ||
1566 | /* Write new fan min if it changed */ | |
1567 | if (old_min != data->fan_min[nr]) { | |
1568 | pc87360_write_value(data, LD_FAN, NO_BANK, | |
1569 | PC87360_REG_FAN_MIN(nr), | |
1570 | data->fan_min[nr]); | |
1571 | } | |
1572 | } | |
1573 | ||
1574 | static struct pc87360_data *pc87360_update_device(struct device *dev) | |
1575 | { | |
f641b588 | 1576 | struct pc87360_data *data = dev_get_drvdata(dev); |
1da177e4 LT |
1577 | u8 i; |
1578 | ||
9a61bf63 | 1579 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1580 | |
1581 | if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) { | |
f641b588 | 1582 | dev_dbg(dev, "Data update\n"); |
1da177e4 LT |
1583 | |
1584 | /* Fans */ | |
1585 | for (i = 0; i < data->fannr; i++) { | |
1586 | if (FAN_CONFIG_MONITOR(data->fan_conf, i)) { | |
1587 | data->fan_status[i] = | |
1588 | pc87360_read_value(data, LD_FAN, | |
1589 | NO_BANK, PC87360_REG_FAN_STATUS(i)); | |
1590 | data->fan[i] = pc87360_read_value(data, LD_FAN, | |
1591 | NO_BANK, PC87360_REG_FAN(i)); | |
1592 | data->fan_min[i] = pc87360_read_value(data, | |
1593 | LD_FAN, NO_BANK, | |
1594 | PC87360_REG_FAN_MIN(i)); | |
1595 | /* Change clock divider if needed */ | |
f641b588 | 1596 | pc87360_autodiv(dev, i); |
1da177e4 LT |
1597 | /* Clear bits and write new divider */ |
1598 | pc87360_write_value(data, LD_FAN, NO_BANK, | |
1599 | PC87360_REG_FAN_STATUS(i), | |
1600 | data->fan_status[i]); | |
1601 | } | |
1602 | if (FAN_CONFIG_CONTROL(data->fan_conf, i)) | |
1603 | data->pwm[i] = pc87360_read_value(data, LD_FAN, | |
1604 | NO_BANK, PC87360_REG_PWM(i)); | |
1605 | } | |
1606 | ||
1607 | /* Voltages */ | |
1608 | for (i = 0; i < data->innr; i++) { | |
1609 | data->in_status[i] = pc87360_read_value(data, LD_IN, i, | |
1610 | PC87365_REG_IN_STATUS); | |
1611 | /* Clear bits */ | |
1612 | pc87360_write_value(data, LD_IN, i, | |
1613 | PC87365_REG_IN_STATUS, | |
1614 | data->in_status[i]); | |
28f74e71 | 1615 | if ((data->in_status[i] & CHAN_READY) == CHAN_READY) { |
1da177e4 LT |
1616 | data->in[i] = pc87360_read_value(data, LD_IN, |
1617 | i, PC87365_REG_IN); | |
1618 | } | |
28f74e71 | 1619 | if (data->in_status[i] & CHAN_ENA) { |
1da177e4 LT |
1620 | data->in_min[i] = pc87360_read_value(data, |
1621 | LD_IN, i, | |
1622 | PC87365_REG_IN_MIN); | |
1623 | data->in_max[i] = pc87360_read_value(data, | |
1624 | LD_IN, i, | |
1625 | PC87365_REG_IN_MAX); | |
1626 | if (i >= 11) | |
1627 | data->in_crit[i-11] = | |
1628 | pc87360_read_value(data, LD_IN, | |
1629 | i, PC87365_REG_TEMP_CRIT); | |
1630 | } | |
1631 | } | |
1632 | if (data->innr) { | |
1633 | data->in_alarms = pc87360_read_value(data, LD_IN, | |
1634 | NO_BANK, PC87365_REG_IN_ALARMS1) | |
1635 | | ((pc87360_read_value(data, LD_IN, | |
1636 | NO_BANK, PC87365_REG_IN_ALARMS2) | |
1637 | & 0x07) << 8); | |
1638 | data->vid = (data->vid_conf & 0xE0) ? | |
1639 | pc87360_read_value(data, LD_IN, | |
1640 | NO_BANK, PC87365_REG_VID) : 0x1F; | |
1641 | } | |
1642 | ||
1643 | /* Temperatures */ | |
1644 | for (i = 0; i < data->tempnr; i++) { | |
1645 | data->temp_status[i] = pc87360_read_value(data, | |
1646 | LD_TEMP, i, | |
1647 | PC87365_REG_TEMP_STATUS); | |
1648 | /* Clear bits */ | |
1649 | pc87360_write_value(data, LD_TEMP, i, | |
1650 | PC87365_REG_TEMP_STATUS, | |
1651 | data->temp_status[i]); | |
28f74e71 | 1652 | if ((data->temp_status[i] & CHAN_READY) == CHAN_READY) { |
1da177e4 LT |
1653 | data->temp[i] = pc87360_read_value(data, |
1654 | LD_TEMP, i, | |
1655 | PC87365_REG_TEMP); | |
1656 | } | |
28f74e71 | 1657 | if (data->temp_status[i] & CHAN_ENA) { |
1da177e4 LT |
1658 | data->temp_min[i] = pc87360_read_value(data, |
1659 | LD_TEMP, i, | |
1660 | PC87365_REG_TEMP_MIN); | |
1661 | data->temp_max[i] = pc87360_read_value(data, | |
1662 | LD_TEMP, i, | |
1663 | PC87365_REG_TEMP_MAX); | |
1664 | data->temp_crit[i] = pc87360_read_value(data, | |
1665 | LD_TEMP, i, | |
1666 | PC87365_REG_TEMP_CRIT); | |
1667 | } | |
1668 | } | |
1669 | if (data->tempnr) { | |
1670 | data->temp_alarms = pc87360_read_value(data, LD_TEMP, | |
1671 | NO_BANK, PC87365_REG_TEMP_ALARMS) | |
1672 | & 0x3F; | |
1673 | } | |
1674 | ||
1675 | data->last_updated = jiffies; | |
1676 | data->valid = 1; | |
1677 | } | |
1678 | ||
9a61bf63 | 1679 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1680 | |
1681 | return data; | |
1682 | } | |
1683 | ||
f641b588 JD |
1684 | static int __init pc87360_device_add(unsigned short address) |
1685 | { | |
b9783dce JD |
1686 | struct resource res[3]; |
1687 | int err, i, res_count; | |
f641b588 JD |
1688 | |
1689 | pdev = platform_device_alloc("pc87360", address); | |
1690 | if (!pdev) { | |
1691 | err = -ENOMEM; | |
9e991c6f | 1692 | pr_err("Device allocation failed\n"); |
f641b588 JD |
1693 | goto exit; |
1694 | } | |
1695 | ||
b9783dce JD |
1696 | memset(res, 0, 3 * sizeof(struct resource)); |
1697 | res_count = 0; | |
f641b588 JD |
1698 | for (i = 0; i < 3; i++) { |
1699 | if (!extra_isa[i]) | |
1700 | continue; | |
b9783dce JD |
1701 | res[res_count].start = extra_isa[i]; |
1702 | res[res_count].end = extra_isa[i] + PC87360_EXTENT - 1; | |
1703 | res[res_count].name = "pc87360", | |
1704 | res[res_count].flags = IORESOURCE_IO, | |
b9acb64a | 1705 | |
b9783dce | 1706 | err = acpi_check_resource_conflict(&res[res_count]); |
b9acb64a JD |
1707 | if (err) |
1708 | goto exit_device_put; | |
1709 | ||
b9783dce JD |
1710 | res_count++; |
1711 | } | |
1712 | ||
1713 | err = platform_device_add_resources(pdev, res, res_count); | |
1714 | if (err) { | |
9e991c6f | 1715 | pr_err("Device resources addition failed (%d)\n", err); |
b9783dce | 1716 | goto exit_device_put; |
f641b588 JD |
1717 | } |
1718 | ||
1719 | err = platform_device_add(pdev); | |
1720 | if (err) { | |
9e991c6f | 1721 | pr_err("Device addition failed (%d)\n", err); |
f641b588 JD |
1722 | goto exit_device_put; |
1723 | } | |
1724 | ||
1725 | return 0; | |
1726 | ||
1727 | exit_device_put: | |
1728 | platform_device_put(pdev); | |
1729 | exit: | |
1730 | return err; | |
1731 | } | |
1732 | ||
1da177e4 LT |
1733 | static int __init pc87360_init(void) |
1734 | { | |
f641b588 JD |
1735 | int err, i; |
1736 | unsigned short address = 0; | |
1da177e4 LT |
1737 | |
1738 | if (pc87360_find(0x2e, &devid, extra_isa) | |
1739 | && pc87360_find(0x4e, &devid, extra_isa)) { | |
9e991c6f | 1740 | pr_warn("PC8736x not detected, module not inserted\n"); |
1da177e4 LT |
1741 | return -ENODEV; |
1742 | } | |
1743 | ||
1744 | /* Arbitrarily pick one of the addresses */ | |
1745 | for (i = 0; i < 3; i++) { | |
1746 | if (extra_isa[i] != 0x0000) { | |
2d8672c5 | 1747 | address = extra_isa[i]; |
1da177e4 LT |
1748 | break; |
1749 | } | |
1750 | } | |
1751 | ||
2d8672c5 | 1752 | if (address == 0x0000) { |
9e991c6f | 1753 | pr_warn("No active logical device, module not inserted\n"); |
1da177e4 LT |
1754 | return -ENODEV; |
1755 | } | |
1756 | ||
f641b588 JD |
1757 | err = platform_driver_register(&pc87360_driver); |
1758 | if (err) | |
1759 | goto exit; | |
1760 | ||
1761 | /* Sets global pdev as a side effect */ | |
1762 | err = pc87360_device_add(address); | |
1763 | if (err) | |
1764 | goto exit_driver; | |
1765 | ||
1766 | return 0; | |
1767 | ||
1768 | exit_driver: | |
1769 | platform_driver_unregister(&pc87360_driver); | |
1770 | exit: | |
1771 | return err; | |
1da177e4 LT |
1772 | } |
1773 | ||
1774 | static void __exit pc87360_exit(void) | |
1775 | { | |
f641b588 JD |
1776 | platform_device_unregister(pdev); |
1777 | platform_driver_unregister(&pc87360_driver); | |
1da177e4 LT |
1778 | } |
1779 | ||
1780 | ||
7c81c60f | 1781 | MODULE_AUTHOR("Jean Delvare <jdelvare@suse.de>"); |
1da177e4 LT |
1782 | MODULE_DESCRIPTION("PC8736x hardware monitor"); |
1783 | MODULE_LICENSE("GPL"); | |
1784 | ||
1785 | module_init(pc87360_init); | |
1786 | module_exit(pc87360_exit); |