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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; | |
57 | ||
58 | struct mutex update_lock; | |
952a11ca | 59 | bool valid; /* true if following fields are valid */ |
0772a640 HG |
60 | unsigned long last_updated; /* In jiffies */ |
61 | u8 in[SCH5636_NO_INS]; | |
62 | u8 temp_val[SCH5636_NO_TEMPS]; | |
63 | u8 temp_ctrl[SCH5636_NO_TEMPS]; | |
64 | u16 fan_val[SCH5636_NO_FANS]; | |
65 | u8 fan_ctrl[SCH5636_NO_FANS]; | |
66 | }; | |
67 | ||
68 | static struct sch5636_data *sch5636_update_device(struct device *dev) | |
69 | { | |
70 | struct sch5636_data *data = dev_get_drvdata(dev); | |
71 | struct sch5636_data *ret = data; | |
72 | int i, val; | |
73 | ||
74 | mutex_lock(&data->update_lock); | |
75 | ||
76 | /* Cache the values for 1 second */ | |
77 | if (data->valid && !time_after(jiffies, data->last_updated + HZ)) | |
78 | goto abort; | |
79 | ||
80 | for (i = 0; i < SCH5636_NO_INS; i++) { | |
81 | val = sch56xx_read_virtual_reg(data->addr, | |
82 | SCH5636_REG_IN_VAL[i]); | |
83 | if (unlikely(val < 0)) { | |
84 | ret = ERR_PTR(val); | |
85 | goto abort; | |
86 | } | |
87 | data->in[i] = val; | |
88 | } | |
89 | ||
90 | for (i = 0; i < SCH5636_NO_TEMPS; i++) { | |
91 | if (data->temp_ctrl[i] & SCH5636_TEMP_DEACTIVATED) | |
92 | continue; | |
93 | ||
94 | val = sch56xx_read_virtual_reg(data->addr, | |
95 | SCH5636_REG_TEMP_VAL[i]); | |
96 | if (unlikely(val < 0)) { | |
97 | ret = ERR_PTR(val); | |
98 | goto abort; | |
99 | } | |
100 | data->temp_val[i] = val; | |
101 | ||
102 | val = sch56xx_read_virtual_reg(data->addr, | |
103 | SCH5636_REG_TEMP_CTRL(i)); | |
104 | if (unlikely(val < 0)) { | |
105 | ret = ERR_PTR(val); | |
106 | goto abort; | |
107 | } | |
108 | data->temp_ctrl[i] = val; | |
109 | /* Alarms need to be explicitly write-cleared */ | |
110 | if (val & SCH5636_TEMP_ALARM) { | |
111 | sch56xx_write_virtual_reg(data->addr, | |
112 | SCH5636_REG_TEMP_CTRL(i), val); | |
113 | } | |
114 | } | |
115 | ||
116 | for (i = 0; i < SCH5636_NO_FANS; i++) { | |
117 | if (data->fan_ctrl[i] & SCH5636_FAN_DEACTIVATED) | |
118 | continue; | |
119 | ||
120 | val = sch56xx_read_virtual_reg16(data->addr, | |
121 | SCH5636_REG_FAN_VAL[i]); | |
122 | if (unlikely(val < 0)) { | |
123 | ret = ERR_PTR(val); | |
124 | goto abort; | |
125 | } | |
126 | data->fan_val[i] = val; | |
127 | ||
128 | val = sch56xx_read_virtual_reg(data->addr, | |
129 | SCH5636_REG_FAN_CTRL(i)); | |
130 | if (unlikely(val < 0)) { | |
131 | ret = ERR_PTR(val); | |
132 | goto abort; | |
133 | } | |
134 | data->fan_ctrl[i] = val; | |
135 | /* Alarms need to be explicitly write-cleared */ | |
136 | if (val & SCH5636_FAN_ALARM) { | |
137 | sch56xx_write_virtual_reg(data->addr, | |
138 | SCH5636_REG_FAN_CTRL(i), val); | |
139 | } | |
140 | } | |
141 | ||
142 | data->last_updated = jiffies; | |
952a11ca | 143 | data->valid = true; |
0772a640 HG |
144 | abort: |
145 | mutex_unlock(&data->update_lock); | |
146 | return ret; | |
147 | } | |
148 | ||
149 | static int reg_to_rpm(u16 reg) | |
150 | { | |
151 | if (reg == 0) | |
152 | return -EIO; | |
153 | if (reg == 0xffff) | |
154 | return 0; | |
155 | ||
156 | return 5400540 / reg; | |
157 | } | |
158 | ||
80c6b121 GR |
159 | static ssize_t name_show(struct device *dev, struct device_attribute *devattr, |
160 | char *buf) | |
0772a640 | 161 | { |
1f4d4af4 | 162 | return sysfs_emit(buf, "%s\n", DEVNAME); |
0772a640 HG |
163 | } |
164 | ||
80c6b121 GR |
165 | static ssize_t in_value_show(struct device *dev, |
166 | struct device_attribute *devattr, char *buf) | |
0772a640 HG |
167 | { |
168 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
169 | struct sch5636_data *data = sch5636_update_device(dev); | |
170 | int val; | |
171 | ||
172 | if (IS_ERR(data)) | |
173 | return PTR_ERR(data); | |
174 | ||
175 | val = DIV_ROUND_CLOSEST( | |
176 | data->in[attr->index] * SCH5636_REG_IN_FACTORS[attr->index], | |
177 | 255); | |
1f4d4af4 | 178 | return sysfs_emit(buf, "%d\n", val); |
0772a640 HG |
179 | } |
180 | ||
80c6b121 GR |
181 | static ssize_t in_label_show(struct device *dev, |
182 | struct device_attribute *devattr, char *buf) | |
0772a640 HG |
183 | { |
184 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
185 | ||
1f4d4af4 GR |
186 | return sysfs_emit(buf, "%s\n", |
187 | SCH5636_IN_LABELS[attr->index]); | |
0772a640 HG |
188 | } |
189 | ||
80c6b121 GR |
190 | static ssize_t temp_value_show(struct device *dev, |
191 | struct device_attribute *devattr, char *buf) | |
0772a640 HG |
192 | { |
193 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
194 | struct sch5636_data *data = sch5636_update_device(dev); | |
195 | int val; | |
196 | ||
197 | if (IS_ERR(data)) | |
198 | return PTR_ERR(data); | |
199 | ||
200 | val = (data->temp_val[attr->index] - 64) * 1000; | |
1f4d4af4 | 201 | return sysfs_emit(buf, "%d\n", val); |
0772a640 HG |
202 | } |
203 | ||
80c6b121 GR |
204 | static ssize_t temp_fault_show(struct device *dev, |
205 | struct device_attribute *devattr, char *buf) | |
0772a640 HG |
206 | { |
207 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
208 | struct sch5636_data *data = sch5636_update_device(dev); | |
209 | int val; | |
210 | ||
211 | if (IS_ERR(data)) | |
212 | return PTR_ERR(data); | |
213 | ||
214 | val = (data->temp_ctrl[attr->index] & SCH5636_TEMP_WORKING) ? 0 : 1; | |
1f4d4af4 | 215 | return sysfs_emit(buf, "%d\n", val); |
0772a640 HG |
216 | } |
217 | ||
80c6b121 GR |
218 | static ssize_t temp_alarm_show(struct device *dev, |
219 | struct device_attribute *devattr, char *buf) | |
0772a640 HG |
220 | { |
221 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
222 | struct sch5636_data *data = sch5636_update_device(dev); | |
223 | int val; | |
224 | ||
225 | if (IS_ERR(data)) | |
226 | return PTR_ERR(data); | |
227 | ||
228 | val = (data->temp_ctrl[attr->index] & SCH5636_TEMP_ALARM) ? 1 : 0; | |
1f4d4af4 | 229 | return sysfs_emit(buf, "%d\n", val); |
0772a640 HG |
230 | } |
231 | ||
80c6b121 GR |
232 | static ssize_t fan_value_show(struct device *dev, |
233 | struct device_attribute *devattr, char *buf) | |
0772a640 HG |
234 | { |
235 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
236 | struct sch5636_data *data = sch5636_update_device(dev); | |
237 | int val; | |
238 | ||
239 | if (IS_ERR(data)) | |
240 | return PTR_ERR(data); | |
241 | ||
242 | val = reg_to_rpm(data->fan_val[attr->index]); | |
243 | if (val < 0) | |
244 | return val; | |
245 | ||
1f4d4af4 | 246 | return sysfs_emit(buf, "%d\n", val); |
0772a640 HG |
247 | } |
248 | ||
80c6b121 GR |
249 | static ssize_t fan_fault_show(struct device *dev, |
250 | struct device_attribute *devattr, char *buf) | |
0772a640 HG |
251 | { |
252 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
253 | struct sch5636_data *data = sch5636_update_device(dev); | |
254 | int val; | |
255 | ||
256 | if (IS_ERR(data)) | |
257 | return PTR_ERR(data); | |
258 | ||
259 | val = (data->fan_ctrl[attr->index] & SCH5636_FAN_NOT_PRESENT) ? 1 : 0; | |
1f4d4af4 | 260 | return sysfs_emit(buf, "%d\n", val); |
0772a640 HG |
261 | } |
262 | ||
80c6b121 GR |
263 | static ssize_t fan_alarm_show(struct device *dev, |
264 | struct device_attribute *devattr, char *buf) | |
0772a640 HG |
265 | { |
266 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
267 | struct sch5636_data *data = sch5636_update_device(dev); | |
268 | int val; | |
269 | ||
270 | if (IS_ERR(data)) | |
271 | return PTR_ERR(data); | |
272 | ||
273 | val = (data->fan_ctrl[attr->index] & SCH5636_FAN_ALARM) ? 1 : 0; | |
1f4d4af4 | 274 | return sysfs_emit(buf, "%d\n", val); |
0772a640 HG |
275 | } |
276 | ||
277 | static struct sensor_device_attribute sch5636_attr[] = { | |
80c6b121 GR |
278 | SENSOR_ATTR_RO(name, name, 0), |
279 | SENSOR_ATTR_RO(in0_input, in_value, 0), | |
280 | SENSOR_ATTR_RO(in0_label, in_label, 0), | |
281 | SENSOR_ATTR_RO(in1_input, in_value, 1), | |
282 | SENSOR_ATTR_RO(in1_label, in_label, 1), | |
283 | SENSOR_ATTR_RO(in2_input, in_value, 2), | |
284 | SENSOR_ATTR_RO(in2_label, in_label, 2), | |
285 | SENSOR_ATTR_RO(in3_input, in_value, 3), | |
286 | SENSOR_ATTR_RO(in3_label, in_label, 3), | |
287 | SENSOR_ATTR_RO(in4_input, in_value, 4), | |
288 | SENSOR_ATTR_RO(in4_label, in_label, 4), | |
0772a640 HG |
289 | }; |
290 | ||
291 | static struct sensor_device_attribute sch5636_temp_attr[] = { | |
80c6b121 GR |
292 | SENSOR_ATTR_RO(temp1_input, temp_value, 0), |
293 | SENSOR_ATTR_RO(temp1_fault, temp_fault, 0), | |
294 | SENSOR_ATTR_RO(temp1_alarm, temp_alarm, 0), | |
295 | SENSOR_ATTR_RO(temp2_input, temp_value, 1), | |
296 | SENSOR_ATTR_RO(temp2_fault, temp_fault, 1), | |
297 | SENSOR_ATTR_RO(temp2_alarm, temp_alarm, 1), | |
298 | SENSOR_ATTR_RO(temp3_input, temp_value, 2), | |
299 | SENSOR_ATTR_RO(temp3_fault, temp_fault, 2), | |
300 | SENSOR_ATTR_RO(temp3_alarm, temp_alarm, 2), | |
301 | SENSOR_ATTR_RO(temp4_input, temp_value, 3), | |
302 | SENSOR_ATTR_RO(temp4_fault, temp_fault, 3), | |
303 | SENSOR_ATTR_RO(temp4_alarm, temp_alarm, 3), | |
304 | SENSOR_ATTR_RO(temp5_input, temp_value, 4), | |
305 | SENSOR_ATTR_RO(temp5_fault, temp_fault, 4), | |
306 | SENSOR_ATTR_RO(temp5_alarm, temp_alarm, 4), | |
307 | SENSOR_ATTR_RO(temp6_input, temp_value, 5), | |
308 | SENSOR_ATTR_RO(temp6_fault, temp_fault, 5), | |
309 | SENSOR_ATTR_RO(temp6_alarm, temp_alarm, 5), | |
310 | SENSOR_ATTR_RO(temp7_input, temp_value, 6), | |
311 | SENSOR_ATTR_RO(temp7_fault, temp_fault, 6), | |
312 | SENSOR_ATTR_RO(temp7_alarm, temp_alarm, 6), | |
313 | SENSOR_ATTR_RO(temp8_input, temp_value, 7), | |
314 | SENSOR_ATTR_RO(temp8_fault, temp_fault, 7), | |
315 | SENSOR_ATTR_RO(temp8_alarm, temp_alarm, 7), | |
316 | SENSOR_ATTR_RO(temp9_input, temp_value, 8), | |
317 | SENSOR_ATTR_RO(temp9_fault, temp_fault, 8), | |
318 | SENSOR_ATTR_RO(temp9_alarm, temp_alarm, 8), | |
319 | SENSOR_ATTR_RO(temp10_input, temp_value, 9), | |
320 | SENSOR_ATTR_RO(temp10_fault, temp_fault, 9), | |
321 | SENSOR_ATTR_RO(temp10_alarm, temp_alarm, 9), | |
322 | SENSOR_ATTR_RO(temp11_input, temp_value, 10), | |
323 | SENSOR_ATTR_RO(temp11_fault, temp_fault, 10), | |
324 | SENSOR_ATTR_RO(temp11_alarm, temp_alarm, 10), | |
325 | SENSOR_ATTR_RO(temp12_input, temp_value, 11), | |
326 | SENSOR_ATTR_RO(temp12_fault, temp_fault, 11), | |
327 | SENSOR_ATTR_RO(temp12_alarm, temp_alarm, 11), | |
328 | SENSOR_ATTR_RO(temp13_input, temp_value, 12), | |
329 | SENSOR_ATTR_RO(temp13_fault, temp_fault, 12), | |
330 | SENSOR_ATTR_RO(temp13_alarm, temp_alarm, 12), | |
331 | SENSOR_ATTR_RO(temp14_input, temp_value, 13), | |
332 | SENSOR_ATTR_RO(temp14_fault, temp_fault, 13), | |
333 | SENSOR_ATTR_RO(temp14_alarm, temp_alarm, 13), | |
334 | SENSOR_ATTR_RO(temp15_input, temp_value, 14), | |
335 | SENSOR_ATTR_RO(temp15_fault, temp_fault, 14), | |
336 | SENSOR_ATTR_RO(temp15_alarm, temp_alarm, 14), | |
337 | SENSOR_ATTR_RO(temp16_input, temp_value, 15), | |
338 | SENSOR_ATTR_RO(temp16_fault, temp_fault, 15), | |
339 | SENSOR_ATTR_RO(temp16_alarm, temp_alarm, 15), | |
0772a640 HG |
340 | }; |
341 | ||
342 | static struct sensor_device_attribute sch5636_fan_attr[] = { | |
80c6b121 GR |
343 | SENSOR_ATTR_RO(fan1_input, fan_value, 0), |
344 | SENSOR_ATTR_RO(fan1_fault, fan_fault, 0), | |
345 | SENSOR_ATTR_RO(fan1_alarm, fan_alarm, 0), | |
346 | SENSOR_ATTR_RO(fan2_input, fan_value, 1), | |
347 | SENSOR_ATTR_RO(fan2_fault, fan_fault, 1), | |
348 | SENSOR_ATTR_RO(fan2_alarm, fan_alarm, 1), | |
349 | SENSOR_ATTR_RO(fan3_input, fan_value, 2), | |
350 | SENSOR_ATTR_RO(fan3_fault, fan_fault, 2), | |
351 | SENSOR_ATTR_RO(fan3_alarm, fan_alarm, 2), | |
352 | SENSOR_ATTR_RO(fan4_input, fan_value, 3), | |
353 | SENSOR_ATTR_RO(fan4_fault, fan_fault, 3), | |
354 | SENSOR_ATTR_RO(fan4_alarm, fan_alarm, 3), | |
355 | SENSOR_ATTR_RO(fan5_input, fan_value, 4), | |
356 | SENSOR_ATTR_RO(fan5_fault, fan_fault, 4), | |
357 | SENSOR_ATTR_RO(fan5_alarm, fan_alarm, 4), | |
358 | SENSOR_ATTR_RO(fan6_input, fan_value, 5), | |
359 | SENSOR_ATTR_RO(fan6_fault, fan_fault, 5), | |
360 | SENSOR_ATTR_RO(fan6_alarm, fan_alarm, 5), | |
361 | SENSOR_ATTR_RO(fan7_input, fan_value, 6), | |
362 | SENSOR_ATTR_RO(fan7_fault, fan_fault, 6), | |
363 | SENSOR_ATTR_RO(fan7_alarm, fan_alarm, 6), | |
364 | SENSOR_ATTR_RO(fan8_input, fan_value, 7), | |
365 | SENSOR_ATTR_RO(fan8_fault, fan_fault, 7), | |
366 | SENSOR_ATTR_RO(fan8_alarm, fan_alarm, 7), | |
0772a640 HG |
367 | }; |
368 | ||
369 | static int sch5636_remove(struct platform_device *pdev) | |
370 | { | |
371 | struct sch5636_data *data = platform_get_drvdata(pdev); | |
372 | int i; | |
373 | ||
374 | if (data->hwmon_dev) | |
375 | hwmon_device_unregister(data->hwmon_dev); | |
376 | ||
377 | for (i = 0; i < ARRAY_SIZE(sch5636_attr); i++) | |
378 | device_remove_file(&pdev->dev, &sch5636_attr[i].dev_attr); | |
379 | ||
380 | for (i = 0; i < SCH5636_NO_TEMPS * 3; i++) | |
381 | device_remove_file(&pdev->dev, | |
382 | &sch5636_temp_attr[i].dev_attr); | |
383 | ||
384 | for (i = 0; i < SCH5636_NO_FANS * 3; i++) | |
385 | device_remove_file(&pdev->dev, | |
386 | &sch5636_fan_attr[i].dev_attr); | |
387 | ||
0772a640 HG |
388 | return 0; |
389 | } | |
390 | ||
6c931ae1 | 391 | static int sch5636_probe(struct platform_device *pdev) |
0772a640 HG |
392 | { |
393 | struct sch5636_data *data; | |
394 | int i, err, val, revision[2]; | |
395 | char id[4]; | |
396 | ||
9220f1e4 GR |
397 | data = devm_kzalloc(&pdev->dev, sizeof(struct sch5636_data), |
398 | GFP_KERNEL); | |
0772a640 HG |
399 | if (!data) |
400 | return -ENOMEM; | |
401 | ||
402 | data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start; | |
403 | mutex_init(&data->update_lock); | |
404 | platform_set_drvdata(pdev, data); | |
405 | ||
406 | for (i = 0; i < 3; i++) { | |
407 | val = sch56xx_read_virtual_reg(data->addr, | |
408 | SCH5636_REG_FUJITSU_ID + i); | |
409 | if (val < 0) { | |
410 | pr_err("Could not read Fujitsu id byte at %#x\n", | |
411 | SCH5636_REG_FUJITSU_ID + i); | |
412 | err = val; | |
413 | goto error; | |
414 | } | |
415 | id[i] = val; | |
416 | } | |
417 | id[i] = '\0'; | |
418 | ||
419 | if (strcmp(id, "THS")) { | |
420 | pr_err("Unknown Fujitsu id: %02x%02x%02x\n", | |
421 | id[0], id[1], id[2]); | |
422 | err = -ENODEV; | |
423 | goto error; | |
424 | } | |
425 | ||
426 | for (i = 0; i < 2; i++) { | |
427 | val = sch56xx_read_virtual_reg(data->addr, | |
428 | SCH5636_REG_FUJITSU_REV + i); | |
429 | if (val < 0) { | |
430 | err = val; | |
431 | goto error; | |
432 | } | |
433 | revision[i] = val; | |
434 | } | |
d6a442df | 435 | pr_info("Found %s chip at %#hx, revision: %d.%02d\n", DEVNAME, |
0772a640 HG |
436 | data->addr, revision[0], revision[1]); |
437 | ||
438 | /* Read all temp + fan ctrl registers to determine which are active */ | |
439 | for (i = 0; i < SCH5636_NO_TEMPS; i++) { | |
440 | val = sch56xx_read_virtual_reg(data->addr, | |
441 | SCH5636_REG_TEMP_CTRL(i)); | |
442 | if (unlikely(val < 0)) { | |
443 | err = val; | |
444 | goto error; | |
445 | } | |
446 | data->temp_ctrl[i] = val; | |
447 | } | |
448 | ||
449 | for (i = 0; i < SCH5636_NO_FANS; i++) { | |
450 | val = sch56xx_read_virtual_reg(data->addr, | |
451 | SCH5636_REG_FAN_CTRL(i)); | |
452 | if (unlikely(val < 0)) { | |
453 | err = val; | |
454 | goto error; | |
455 | } | |
456 | data->fan_ctrl[i] = val; | |
457 | } | |
458 | ||
459 | for (i = 0; i < ARRAY_SIZE(sch5636_attr); i++) { | |
460 | err = device_create_file(&pdev->dev, | |
461 | &sch5636_attr[i].dev_attr); | |
462 | if (err) | |
463 | goto error; | |
464 | } | |
465 | ||
466 | for (i = 0; i < (SCH5636_NO_TEMPS * 3); i++) { | |
467 | if (data->temp_ctrl[i/3] & SCH5636_TEMP_DEACTIVATED) | |
468 | continue; | |
469 | ||
470 | err = device_create_file(&pdev->dev, | |
471 | &sch5636_temp_attr[i].dev_attr); | |
472 | if (err) | |
473 | goto error; | |
474 | } | |
475 | ||
476 | for (i = 0; i < (SCH5636_NO_FANS * 3); i++) { | |
477 | if (data->fan_ctrl[i/3] & SCH5636_FAN_DEACTIVATED) | |
478 | continue; | |
479 | ||
480 | err = device_create_file(&pdev->dev, | |
481 | &sch5636_fan_attr[i].dev_attr); | |
482 | if (err) | |
483 | goto error; | |
484 | } | |
485 | ||
486 | data->hwmon_dev = hwmon_device_register(&pdev->dev); | |
487 | if (IS_ERR(data->hwmon_dev)) { | |
488 | err = PTR_ERR(data->hwmon_dev); | |
489 | data->hwmon_dev = NULL; | |
490 | goto error; | |
491 | } | |
492 | ||
312869ec | 493 | /* Note failing to register the watchdog is not a fatal error */ |
2be5f0d7 AW |
494 | sch56xx_watchdog_register(&pdev->dev, data->addr, (revision[0] << 8) | revision[1], |
495 | &data->update_lock, 0); | |
312869ec | 496 | |
0772a640 HG |
497 | return 0; |
498 | ||
499 | error: | |
500 | sch5636_remove(pdev); | |
501 | return err; | |
502 | } | |
503 | ||
504 | static struct platform_driver sch5636_driver = { | |
505 | .driver = { | |
0772a640 HG |
506 | .name = DRVNAME, |
507 | }, | |
508 | .probe = sch5636_probe, | |
509 | .remove = sch5636_remove, | |
510 | }; | |
511 | ||
25a236a5 | 512 | module_platform_driver(sch5636_driver); |
0772a640 HG |
513 | |
514 | MODULE_DESCRIPTION("SMSC SCH5636 Hardware Monitoring Driver"); | |
515 | MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>"); | |
516 | MODULE_LICENSE("GPL"); |