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1a59d1b8 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
0772a640 | 2 | /*************************************************************************** |
312869ec | 3 | * Copyright (C) 2011-2012 Hans de Goede <hdegoede@redhat.com> * |
0772a640 | 4 | * * |
0772a640 HG |
5 | ***************************************************************************/ |
6 | ||
7 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
8 | ||
9 | #include <linux/module.h> | |
10 | #include <linux/init.h> | |
11 | #include <linux/slab.h> | |
12 | #include <linux/jiffies.h> | |
13 | #include <linux/platform_device.h> | |
14 | #include <linux/hwmon.h> | |
15 | #include <linux/hwmon-sysfs.h> | |
16 | #include <linux/err.h> | |
17 | #include <linux/mutex.h> | |
18 | #include "sch56xx-common.h" | |
19 | ||
20 | #define DRVNAME "sch5636" | |
21 | #define DEVNAME "theseus" /* We only support one model for now */ | |
22 | ||
23 | #define SCH5636_REG_FUJITSU_ID 0x780 | |
24 | #define SCH5636_REG_FUJITSU_REV 0x783 | |
25 | ||
26 | #define SCH5636_NO_INS 5 | |
27 | #define SCH5636_NO_TEMPS 16 | |
28 | #define SCH5636_NO_FANS 8 | |
29 | ||
30 | static const u16 SCH5636_REG_IN_VAL[SCH5636_NO_INS] = { | |
31 | 0x22, 0x23, 0x24, 0x25, 0x189 }; | |
32 | static const u16 SCH5636_REG_IN_FACTORS[SCH5636_NO_INS] = { | |
33 | 4400, 1500, 4000, 4400, 16000 }; | |
34 | static const char * const SCH5636_IN_LABELS[SCH5636_NO_INS] = { | |
35 | "3.3V", "VREF", "VBAT", "3.3AUX", "12V" }; | |
36 | ||
37 | static const u16 SCH5636_REG_TEMP_VAL[SCH5636_NO_TEMPS] = { | |
38 | 0x2B, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x180, 0x181, | |
39 | 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C }; | |
40 | #define SCH5636_REG_TEMP_CTRL(i) (0x790 + (i)) | |
41 | #define SCH5636_TEMP_WORKING 0x01 | |
42 | #define SCH5636_TEMP_ALARM 0x02 | |
43 | #define SCH5636_TEMP_DEACTIVATED 0x80 | |
44 | ||
45 | static const u16 SCH5636_REG_FAN_VAL[SCH5636_NO_FANS] = { | |
46 | 0x2C, 0x2E, 0x30, 0x32, 0x62, 0x64, 0x66, 0x68 }; | |
47 | #define SCH5636_REG_FAN_CTRL(i) (0x880 + (i)) | |
48 | /* FAULT in datasheet, but acts as an alarm */ | |
49 | #define SCH5636_FAN_ALARM 0x04 | |
50 | #define SCH5636_FAN_NOT_PRESENT 0x08 | |
51 | #define SCH5636_FAN_DEACTIVATED 0x80 | |
52 | ||
53 | ||
54 | struct sch5636_data { | |
55 | unsigned short addr; | |
56 | struct device *hwmon_dev; | |
312869ec | 57 | struct sch56xx_watchdog_data *watchdog; |
0772a640 HG |
58 | |
59 | struct mutex update_lock; | |
60 | char valid; /* !=0 if following fields are valid */ | |
61 | unsigned long last_updated; /* In jiffies */ | |
62 | u8 in[SCH5636_NO_INS]; | |
63 | u8 temp_val[SCH5636_NO_TEMPS]; | |
64 | u8 temp_ctrl[SCH5636_NO_TEMPS]; | |
65 | u16 fan_val[SCH5636_NO_FANS]; | |
66 | u8 fan_ctrl[SCH5636_NO_FANS]; | |
67 | }; | |
68 | ||
69 | static struct sch5636_data *sch5636_update_device(struct device *dev) | |
70 | { | |
71 | struct sch5636_data *data = dev_get_drvdata(dev); | |
72 | struct sch5636_data *ret = data; | |
73 | int i, val; | |
74 | ||
75 | mutex_lock(&data->update_lock); | |
76 | ||
77 | /* Cache the values for 1 second */ | |
78 | if (data->valid && !time_after(jiffies, data->last_updated + HZ)) | |
79 | goto abort; | |
80 | ||
81 | for (i = 0; i < SCH5636_NO_INS; i++) { | |
82 | val = sch56xx_read_virtual_reg(data->addr, | |
83 | SCH5636_REG_IN_VAL[i]); | |
84 | if (unlikely(val < 0)) { | |
85 | ret = ERR_PTR(val); | |
86 | goto abort; | |
87 | } | |
88 | data->in[i] = val; | |
89 | } | |
90 | ||
91 | for (i = 0; i < SCH5636_NO_TEMPS; i++) { | |
92 | if (data->temp_ctrl[i] & SCH5636_TEMP_DEACTIVATED) | |
93 | continue; | |
94 | ||
95 | val = sch56xx_read_virtual_reg(data->addr, | |
96 | SCH5636_REG_TEMP_VAL[i]); | |
97 | if (unlikely(val < 0)) { | |
98 | ret = ERR_PTR(val); | |
99 | goto abort; | |
100 | } | |
101 | data->temp_val[i] = val; | |
102 | ||
103 | val = sch56xx_read_virtual_reg(data->addr, | |
104 | SCH5636_REG_TEMP_CTRL(i)); | |
105 | if (unlikely(val < 0)) { | |
106 | ret = ERR_PTR(val); | |
107 | goto abort; | |
108 | } | |
109 | data->temp_ctrl[i] = val; | |
110 | /* Alarms need to be explicitly write-cleared */ | |
111 | if (val & SCH5636_TEMP_ALARM) { | |
112 | sch56xx_write_virtual_reg(data->addr, | |
113 | SCH5636_REG_TEMP_CTRL(i), val); | |
114 | } | |
115 | } | |
116 | ||
117 | for (i = 0; i < SCH5636_NO_FANS; i++) { | |
118 | if (data->fan_ctrl[i] & SCH5636_FAN_DEACTIVATED) | |
119 | continue; | |
120 | ||
121 | val = sch56xx_read_virtual_reg16(data->addr, | |
122 | SCH5636_REG_FAN_VAL[i]); | |
123 | if (unlikely(val < 0)) { | |
124 | ret = ERR_PTR(val); | |
125 | goto abort; | |
126 | } | |
127 | data->fan_val[i] = val; | |
128 | ||
129 | val = sch56xx_read_virtual_reg(data->addr, | |
130 | SCH5636_REG_FAN_CTRL(i)); | |
131 | if (unlikely(val < 0)) { | |
132 | ret = ERR_PTR(val); | |
133 | goto abort; | |
134 | } | |
135 | data->fan_ctrl[i] = val; | |
136 | /* Alarms need to be explicitly write-cleared */ | |
137 | if (val & SCH5636_FAN_ALARM) { | |
138 | sch56xx_write_virtual_reg(data->addr, | |
139 | SCH5636_REG_FAN_CTRL(i), val); | |
140 | } | |
141 | } | |
142 | ||
143 | data->last_updated = jiffies; | |
144 | data->valid = 1; | |
145 | abort: | |
146 | mutex_unlock(&data->update_lock); | |
147 | return ret; | |
148 | } | |
149 | ||
150 | static int reg_to_rpm(u16 reg) | |
151 | { | |
152 | if (reg == 0) | |
153 | return -EIO; | |
154 | if (reg == 0xffff) | |
155 | return 0; | |
156 | ||
157 | return 5400540 / reg; | |
158 | } | |
159 | ||
80c6b121 GR |
160 | static ssize_t name_show(struct device *dev, struct device_attribute *devattr, |
161 | char *buf) | |
0772a640 HG |
162 | { |
163 | return snprintf(buf, PAGE_SIZE, "%s\n", DEVNAME); | |
164 | } | |
165 | ||
80c6b121 GR |
166 | static ssize_t in_value_show(struct device *dev, |
167 | struct device_attribute *devattr, char *buf) | |
0772a640 HG |
168 | { |
169 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
170 | struct sch5636_data *data = sch5636_update_device(dev); | |
171 | int val; | |
172 | ||
173 | if (IS_ERR(data)) | |
174 | return PTR_ERR(data); | |
175 | ||
176 | val = DIV_ROUND_CLOSEST( | |
177 | data->in[attr->index] * SCH5636_REG_IN_FACTORS[attr->index], | |
178 | 255); | |
179 | return snprintf(buf, PAGE_SIZE, "%d\n", val); | |
180 | } | |
181 | ||
80c6b121 GR |
182 | static ssize_t in_label_show(struct device *dev, |
183 | struct device_attribute *devattr, char *buf) | |
0772a640 HG |
184 | { |
185 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
186 | ||
187 | return snprintf(buf, PAGE_SIZE, "%s\n", | |
188 | SCH5636_IN_LABELS[attr->index]); | |
189 | } | |
190 | ||
80c6b121 GR |
191 | static ssize_t temp_value_show(struct device *dev, |
192 | struct device_attribute *devattr, char *buf) | |
0772a640 HG |
193 | { |
194 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
195 | struct sch5636_data *data = sch5636_update_device(dev); | |
196 | int val; | |
197 | ||
198 | if (IS_ERR(data)) | |
199 | return PTR_ERR(data); | |
200 | ||
201 | val = (data->temp_val[attr->index] - 64) * 1000; | |
202 | return snprintf(buf, PAGE_SIZE, "%d\n", val); | |
203 | } | |
204 | ||
80c6b121 GR |
205 | static ssize_t temp_fault_show(struct device *dev, |
206 | struct device_attribute *devattr, char *buf) | |
0772a640 HG |
207 | { |
208 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
209 | struct sch5636_data *data = sch5636_update_device(dev); | |
210 | int val; | |
211 | ||
212 | if (IS_ERR(data)) | |
213 | return PTR_ERR(data); | |
214 | ||
215 | val = (data->temp_ctrl[attr->index] & SCH5636_TEMP_WORKING) ? 0 : 1; | |
216 | return snprintf(buf, PAGE_SIZE, "%d\n", val); | |
217 | } | |
218 | ||
80c6b121 GR |
219 | static ssize_t temp_alarm_show(struct device *dev, |
220 | struct device_attribute *devattr, char *buf) | |
0772a640 HG |
221 | { |
222 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
223 | struct sch5636_data *data = sch5636_update_device(dev); | |
224 | int val; | |
225 | ||
226 | if (IS_ERR(data)) | |
227 | return PTR_ERR(data); | |
228 | ||
229 | val = (data->temp_ctrl[attr->index] & SCH5636_TEMP_ALARM) ? 1 : 0; | |
230 | return snprintf(buf, PAGE_SIZE, "%d\n", val); | |
231 | } | |
232 | ||
80c6b121 GR |
233 | static ssize_t fan_value_show(struct device *dev, |
234 | struct device_attribute *devattr, char *buf) | |
0772a640 HG |
235 | { |
236 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
237 | struct sch5636_data *data = sch5636_update_device(dev); | |
238 | int val; | |
239 | ||
240 | if (IS_ERR(data)) | |
241 | return PTR_ERR(data); | |
242 | ||
243 | val = reg_to_rpm(data->fan_val[attr->index]); | |
244 | if (val < 0) | |
245 | return val; | |
246 | ||
247 | return snprintf(buf, PAGE_SIZE, "%d\n", val); | |
248 | } | |
249 | ||
80c6b121 GR |
250 | static ssize_t fan_fault_show(struct device *dev, |
251 | struct device_attribute *devattr, char *buf) | |
0772a640 HG |
252 | { |
253 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
254 | struct sch5636_data *data = sch5636_update_device(dev); | |
255 | int val; | |
256 | ||
257 | if (IS_ERR(data)) | |
258 | return PTR_ERR(data); | |
259 | ||
260 | val = (data->fan_ctrl[attr->index] & SCH5636_FAN_NOT_PRESENT) ? 1 : 0; | |
261 | return snprintf(buf, PAGE_SIZE, "%d\n", val); | |
262 | } | |
263 | ||
80c6b121 GR |
264 | static ssize_t fan_alarm_show(struct device *dev, |
265 | struct device_attribute *devattr, char *buf) | |
0772a640 HG |
266 | { |
267 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
268 | struct sch5636_data *data = sch5636_update_device(dev); | |
269 | int val; | |
270 | ||
271 | if (IS_ERR(data)) | |
272 | return PTR_ERR(data); | |
273 | ||
274 | val = (data->fan_ctrl[attr->index] & SCH5636_FAN_ALARM) ? 1 : 0; | |
275 | return snprintf(buf, PAGE_SIZE, "%d\n", val); | |
276 | } | |
277 | ||
278 | static struct sensor_device_attribute sch5636_attr[] = { | |
80c6b121 GR |
279 | SENSOR_ATTR_RO(name, name, 0), |
280 | SENSOR_ATTR_RO(in0_input, in_value, 0), | |
281 | SENSOR_ATTR_RO(in0_label, in_label, 0), | |
282 | SENSOR_ATTR_RO(in1_input, in_value, 1), | |
283 | SENSOR_ATTR_RO(in1_label, in_label, 1), | |
284 | SENSOR_ATTR_RO(in2_input, in_value, 2), | |
285 | SENSOR_ATTR_RO(in2_label, in_label, 2), | |
286 | SENSOR_ATTR_RO(in3_input, in_value, 3), | |
287 | SENSOR_ATTR_RO(in3_label, in_label, 3), | |
288 | SENSOR_ATTR_RO(in4_input, in_value, 4), | |
289 | SENSOR_ATTR_RO(in4_label, in_label, 4), | |
0772a640 HG |
290 | }; |
291 | ||
292 | static struct sensor_device_attribute sch5636_temp_attr[] = { | |
80c6b121 GR |
293 | SENSOR_ATTR_RO(temp1_input, temp_value, 0), |
294 | SENSOR_ATTR_RO(temp1_fault, temp_fault, 0), | |
295 | SENSOR_ATTR_RO(temp1_alarm, temp_alarm, 0), | |
296 | SENSOR_ATTR_RO(temp2_input, temp_value, 1), | |
297 | SENSOR_ATTR_RO(temp2_fault, temp_fault, 1), | |
298 | SENSOR_ATTR_RO(temp2_alarm, temp_alarm, 1), | |
299 | SENSOR_ATTR_RO(temp3_input, temp_value, 2), | |
300 | SENSOR_ATTR_RO(temp3_fault, temp_fault, 2), | |
301 | SENSOR_ATTR_RO(temp3_alarm, temp_alarm, 2), | |
302 | SENSOR_ATTR_RO(temp4_input, temp_value, 3), | |
303 | SENSOR_ATTR_RO(temp4_fault, temp_fault, 3), | |
304 | SENSOR_ATTR_RO(temp4_alarm, temp_alarm, 3), | |
305 | SENSOR_ATTR_RO(temp5_input, temp_value, 4), | |
306 | SENSOR_ATTR_RO(temp5_fault, temp_fault, 4), | |
307 | SENSOR_ATTR_RO(temp5_alarm, temp_alarm, 4), | |
308 | SENSOR_ATTR_RO(temp6_input, temp_value, 5), | |
309 | SENSOR_ATTR_RO(temp6_fault, temp_fault, 5), | |
310 | SENSOR_ATTR_RO(temp6_alarm, temp_alarm, 5), | |
311 | SENSOR_ATTR_RO(temp7_input, temp_value, 6), | |
312 | SENSOR_ATTR_RO(temp7_fault, temp_fault, 6), | |
313 | SENSOR_ATTR_RO(temp7_alarm, temp_alarm, 6), | |
314 | SENSOR_ATTR_RO(temp8_input, temp_value, 7), | |
315 | SENSOR_ATTR_RO(temp8_fault, temp_fault, 7), | |
316 | SENSOR_ATTR_RO(temp8_alarm, temp_alarm, 7), | |
317 | SENSOR_ATTR_RO(temp9_input, temp_value, 8), | |
318 | SENSOR_ATTR_RO(temp9_fault, temp_fault, 8), | |
319 | SENSOR_ATTR_RO(temp9_alarm, temp_alarm, 8), | |
320 | SENSOR_ATTR_RO(temp10_input, temp_value, 9), | |
321 | SENSOR_ATTR_RO(temp10_fault, temp_fault, 9), | |
322 | SENSOR_ATTR_RO(temp10_alarm, temp_alarm, 9), | |
323 | SENSOR_ATTR_RO(temp11_input, temp_value, 10), | |
324 | SENSOR_ATTR_RO(temp11_fault, temp_fault, 10), | |
325 | SENSOR_ATTR_RO(temp11_alarm, temp_alarm, 10), | |
326 | SENSOR_ATTR_RO(temp12_input, temp_value, 11), | |
327 | SENSOR_ATTR_RO(temp12_fault, temp_fault, 11), | |
328 | SENSOR_ATTR_RO(temp12_alarm, temp_alarm, 11), | |
329 | SENSOR_ATTR_RO(temp13_input, temp_value, 12), | |
330 | SENSOR_ATTR_RO(temp13_fault, temp_fault, 12), | |
331 | SENSOR_ATTR_RO(temp13_alarm, temp_alarm, 12), | |
332 | SENSOR_ATTR_RO(temp14_input, temp_value, 13), | |
333 | SENSOR_ATTR_RO(temp14_fault, temp_fault, 13), | |
334 | SENSOR_ATTR_RO(temp14_alarm, temp_alarm, 13), | |
335 | SENSOR_ATTR_RO(temp15_input, temp_value, 14), | |
336 | SENSOR_ATTR_RO(temp15_fault, temp_fault, 14), | |
337 | SENSOR_ATTR_RO(temp15_alarm, temp_alarm, 14), | |
338 | SENSOR_ATTR_RO(temp16_input, temp_value, 15), | |
339 | SENSOR_ATTR_RO(temp16_fault, temp_fault, 15), | |
340 | SENSOR_ATTR_RO(temp16_alarm, temp_alarm, 15), | |
0772a640 HG |
341 | }; |
342 | ||
343 | static struct sensor_device_attribute sch5636_fan_attr[] = { | |
80c6b121 GR |
344 | SENSOR_ATTR_RO(fan1_input, fan_value, 0), |
345 | SENSOR_ATTR_RO(fan1_fault, fan_fault, 0), | |
346 | SENSOR_ATTR_RO(fan1_alarm, fan_alarm, 0), | |
347 | SENSOR_ATTR_RO(fan2_input, fan_value, 1), | |
348 | SENSOR_ATTR_RO(fan2_fault, fan_fault, 1), | |
349 | SENSOR_ATTR_RO(fan2_alarm, fan_alarm, 1), | |
350 | SENSOR_ATTR_RO(fan3_input, fan_value, 2), | |
351 | SENSOR_ATTR_RO(fan3_fault, fan_fault, 2), | |
352 | SENSOR_ATTR_RO(fan3_alarm, fan_alarm, 2), | |
353 | SENSOR_ATTR_RO(fan4_input, fan_value, 3), | |
354 | SENSOR_ATTR_RO(fan4_fault, fan_fault, 3), | |
355 | SENSOR_ATTR_RO(fan4_alarm, fan_alarm, 3), | |
356 | SENSOR_ATTR_RO(fan5_input, fan_value, 4), | |
357 | SENSOR_ATTR_RO(fan5_fault, fan_fault, 4), | |
358 | SENSOR_ATTR_RO(fan5_alarm, fan_alarm, 4), | |
359 | SENSOR_ATTR_RO(fan6_input, fan_value, 5), | |
360 | SENSOR_ATTR_RO(fan6_fault, fan_fault, 5), | |
361 | SENSOR_ATTR_RO(fan6_alarm, fan_alarm, 5), | |
362 | SENSOR_ATTR_RO(fan7_input, fan_value, 6), | |
363 | SENSOR_ATTR_RO(fan7_fault, fan_fault, 6), | |
364 | SENSOR_ATTR_RO(fan7_alarm, fan_alarm, 6), | |
365 | SENSOR_ATTR_RO(fan8_input, fan_value, 7), | |
366 | SENSOR_ATTR_RO(fan8_fault, fan_fault, 7), | |
367 | SENSOR_ATTR_RO(fan8_alarm, fan_alarm, 7), | |
0772a640 HG |
368 | }; |
369 | ||
370 | static int sch5636_remove(struct platform_device *pdev) | |
371 | { | |
372 | struct sch5636_data *data = platform_get_drvdata(pdev); | |
373 | int i; | |
374 | ||
312869ec HG |
375 | if (data->watchdog) |
376 | sch56xx_watchdog_unregister(data->watchdog); | |
377 | ||
0772a640 HG |
378 | if (data->hwmon_dev) |
379 | hwmon_device_unregister(data->hwmon_dev); | |
380 | ||
381 | for (i = 0; i < ARRAY_SIZE(sch5636_attr); i++) | |
382 | device_remove_file(&pdev->dev, &sch5636_attr[i].dev_attr); | |
383 | ||
384 | for (i = 0; i < SCH5636_NO_TEMPS * 3; i++) | |
385 | device_remove_file(&pdev->dev, | |
386 | &sch5636_temp_attr[i].dev_attr); | |
387 | ||
388 | for (i = 0; i < SCH5636_NO_FANS * 3; i++) | |
389 | device_remove_file(&pdev->dev, | |
390 | &sch5636_fan_attr[i].dev_attr); | |
391 | ||
0772a640 HG |
392 | return 0; |
393 | } | |
394 | ||
6c931ae1 | 395 | static int sch5636_probe(struct platform_device *pdev) |
0772a640 HG |
396 | { |
397 | struct sch5636_data *data; | |
398 | int i, err, val, revision[2]; | |
399 | char id[4]; | |
400 | ||
9220f1e4 GR |
401 | data = devm_kzalloc(&pdev->dev, sizeof(struct sch5636_data), |
402 | GFP_KERNEL); | |
0772a640 HG |
403 | if (!data) |
404 | return -ENOMEM; | |
405 | ||
406 | data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start; | |
407 | mutex_init(&data->update_lock); | |
408 | platform_set_drvdata(pdev, data); | |
409 | ||
410 | for (i = 0; i < 3; i++) { | |
411 | val = sch56xx_read_virtual_reg(data->addr, | |
412 | SCH5636_REG_FUJITSU_ID + i); | |
413 | if (val < 0) { | |
414 | pr_err("Could not read Fujitsu id byte at %#x\n", | |
415 | SCH5636_REG_FUJITSU_ID + i); | |
416 | err = val; | |
417 | goto error; | |
418 | } | |
419 | id[i] = val; | |
420 | } | |
421 | id[i] = '\0'; | |
422 | ||
423 | if (strcmp(id, "THS")) { | |
424 | pr_err("Unknown Fujitsu id: %02x%02x%02x\n", | |
425 | id[0], id[1], id[2]); | |
426 | err = -ENODEV; | |
427 | goto error; | |
428 | } | |
429 | ||
430 | for (i = 0; i < 2; i++) { | |
431 | val = sch56xx_read_virtual_reg(data->addr, | |
432 | SCH5636_REG_FUJITSU_REV + i); | |
433 | if (val < 0) { | |
434 | err = val; | |
435 | goto error; | |
436 | } | |
437 | revision[i] = val; | |
438 | } | |
d6a442df | 439 | pr_info("Found %s chip at %#hx, revision: %d.%02d\n", DEVNAME, |
0772a640 HG |
440 | data->addr, revision[0], revision[1]); |
441 | ||
442 | /* Read all temp + fan ctrl registers to determine which are active */ | |
443 | for (i = 0; i < SCH5636_NO_TEMPS; i++) { | |
444 | val = sch56xx_read_virtual_reg(data->addr, | |
445 | SCH5636_REG_TEMP_CTRL(i)); | |
446 | if (unlikely(val < 0)) { | |
447 | err = val; | |
448 | goto error; | |
449 | } | |
450 | data->temp_ctrl[i] = val; | |
451 | } | |
452 | ||
453 | for (i = 0; i < SCH5636_NO_FANS; i++) { | |
454 | val = sch56xx_read_virtual_reg(data->addr, | |
455 | SCH5636_REG_FAN_CTRL(i)); | |
456 | if (unlikely(val < 0)) { | |
457 | err = val; | |
458 | goto error; | |
459 | } | |
460 | data->fan_ctrl[i] = val; | |
461 | } | |
462 | ||
463 | for (i = 0; i < ARRAY_SIZE(sch5636_attr); i++) { | |
464 | err = device_create_file(&pdev->dev, | |
465 | &sch5636_attr[i].dev_attr); | |
466 | if (err) | |
467 | goto error; | |
468 | } | |
469 | ||
470 | for (i = 0; i < (SCH5636_NO_TEMPS * 3); i++) { | |
471 | if (data->temp_ctrl[i/3] & SCH5636_TEMP_DEACTIVATED) | |
472 | continue; | |
473 | ||
474 | err = device_create_file(&pdev->dev, | |
475 | &sch5636_temp_attr[i].dev_attr); | |
476 | if (err) | |
477 | goto error; | |
478 | } | |
479 | ||
480 | for (i = 0; i < (SCH5636_NO_FANS * 3); i++) { | |
481 | if (data->fan_ctrl[i/3] & SCH5636_FAN_DEACTIVATED) | |
482 | continue; | |
483 | ||
484 | err = device_create_file(&pdev->dev, | |
485 | &sch5636_fan_attr[i].dev_attr); | |
486 | if (err) | |
487 | goto error; | |
488 | } | |
489 | ||
490 | data->hwmon_dev = hwmon_device_register(&pdev->dev); | |
491 | if (IS_ERR(data->hwmon_dev)) { | |
492 | err = PTR_ERR(data->hwmon_dev); | |
493 | data->hwmon_dev = NULL; | |
494 | goto error; | |
495 | } | |
496 | ||
312869ec | 497 | /* Note failing to register the watchdog is not a fatal error */ |
fb551405 | 498 | data->watchdog = sch56xx_watchdog_register(&pdev->dev, data->addr, |
312869ec HG |
499 | (revision[0] << 8) | revision[1], |
500 | &data->update_lock, 0); | |
501 | ||
0772a640 HG |
502 | return 0; |
503 | ||
504 | error: | |
505 | sch5636_remove(pdev); | |
506 | return err; | |
507 | } | |
508 | ||
509 | static struct platform_driver sch5636_driver = { | |
510 | .driver = { | |
0772a640 HG |
511 | .name = DRVNAME, |
512 | }, | |
513 | .probe = sch5636_probe, | |
514 | .remove = sch5636_remove, | |
515 | }; | |
516 | ||
25a236a5 | 517 | module_platform_driver(sch5636_driver); |
0772a640 HG |
518 | |
519 | MODULE_DESCRIPTION("SMSC SCH5636 Hardware Monitoring Driver"); | |
520 | MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>"); | |
521 | MODULE_LICENSE("GPL"); |