Root/
1 | /*************************************************************************** |
2 | * Copyright (C) 2011-2012 Hans de Goede <hdegoede@redhat.com> * |
3 | * * |
4 | * This program is free software; you can redistribute it and/or modify * |
5 | * it under the terms of the GNU General Public License as published by * |
6 | * the Free Software Foundation; either version 2 of the License, or * |
7 | * (at your option) any later version. * |
8 | * * |
9 | * This program is distributed in the hope that it will be useful, * |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
12 | * GNU General Public License for more details. * |
13 | * * |
14 | * You should have received a copy of the GNU General Public License * |
15 | * along with this program; if not, write to the * |
16 | * Free Software Foundation, Inc., * |
17 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
18 | ***************************************************************************/ |
19 | |
20 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
21 | |
22 | #include <linux/module.h> |
23 | #include <linux/init.h> |
24 | #include <linux/slab.h> |
25 | #include <linux/jiffies.h> |
26 | #include <linux/platform_device.h> |
27 | #include <linux/hwmon.h> |
28 | #include <linux/hwmon-sysfs.h> |
29 | #include <linux/err.h> |
30 | #include <linux/mutex.h> |
31 | #include "sch56xx-common.h" |
32 | |
33 | #define DRVNAME "sch5636" |
34 | #define DEVNAME "theseus" /* We only support one model for now */ |
35 | |
36 | #define SCH5636_REG_FUJITSU_ID 0x780 |
37 | #define SCH5636_REG_FUJITSU_REV 0x783 |
38 | |
39 | #define SCH5636_NO_INS 5 |
40 | #define SCH5636_NO_TEMPS 16 |
41 | #define SCH5636_NO_FANS 8 |
42 | |
43 | static const u16 SCH5636_REG_IN_VAL[SCH5636_NO_INS] = { |
44 | 0x22, 0x23, 0x24, 0x25, 0x189 }; |
45 | static const u16 SCH5636_REG_IN_FACTORS[SCH5636_NO_INS] = { |
46 | 4400, 1500, 4000, 4400, 16000 }; |
47 | static const char * const SCH5636_IN_LABELS[SCH5636_NO_INS] = { |
48 | "3.3V", "VREF", "VBAT", "3.3AUX", "12V" }; |
49 | |
50 | static const u16 SCH5636_REG_TEMP_VAL[SCH5636_NO_TEMPS] = { |
51 | 0x2B, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x180, 0x181, |
52 | 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C }; |
53 | #define SCH5636_REG_TEMP_CTRL(i) (0x790 + (i)) |
54 | #define SCH5636_TEMP_WORKING 0x01 |
55 | #define SCH5636_TEMP_ALARM 0x02 |
56 | #define SCH5636_TEMP_DEACTIVATED 0x80 |
57 | |
58 | static const u16 SCH5636_REG_FAN_VAL[SCH5636_NO_FANS] = { |
59 | 0x2C, 0x2E, 0x30, 0x32, 0x62, 0x64, 0x66, 0x68 }; |
60 | #define SCH5636_REG_FAN_CTRL(i) (0x880 + (i)) |
61 | /* FAULT in datasheet, but acts as an alarm */ |
62 | #define SCH5636_FAN_ALARM 0x04 |
63 | #define SCH5636_FAN_NOT_PRESENT 0x08 |
64 | #define SCH5636_FAN_DEACTIVATED 0x80 |
65 | |
66 | |
67 | struct sch5636_data { |
68 | unsigned short addr; |
69 | struct device *hwmon_dev; |
70 | struct sch56xx_watchdog_data *watchdog; |
71 | |
72 | struct mutex update_lock; |
73 | char valid; /* !=0 if following fields are valid */ |
74 | unsigned long last_updated; /* In jiffies */ |
75 | u8 in[SCH5636_NO_INS]; |
76 | u8 temp_val[SCH5636_NO_TEMPS]; |
77 | u8 temp_ctrl[SCH5636_NO_TEMPS]; |
78 | u16 fan_val[SCH5636_NO_FANS]; |
79 | u8 fan_ctrl[SCH5636_NO_FANS]; |
80 | }; |
81 | |
82 | static struct sch5636_data *sch5636_update_device(struct device *dev) |
83 | { |
84 | struct sch5636_data *data = dev_get_drvdata(dev); |
85 | struct sch5636_data *ret = data; |
86 | int i, val; |
87 | |
88 | mutex_lock(&data->update_lock); |
89 | |
90 | /* Cache the values for 1 second */ |
91 | if (data->valid && !time_after(jiffies, data->last_updated + HZ)) |
92 | goto abort; |
93 | |
94 | for (i = 0; i < SCH5636_NO_INS; i++) { |
95 | val = sch56xx_read_virtual_reg(data->addr, |
96 | SCH5636_REG_IN_VAL[i]); |
97 | if (unlikely(val < 0)) { |
98 | ret = ERR_PTR(val); |
99 | goto abort; |
100 | } |
101 | data->in[i] = val; |
102 | } |
103 | |
104 | for (i = 0; i < SCH5636_NO_TEMPS; i++) { |
105 | if (data->temp_ctrl[i] & SCH5636_TEMP_DEACTIVATED) |
106 | continue; |
107 | |
108 | val = sch56xx_read_virtual_reg(data->addr, |
109 | SCH5636_REG_TEMP_VAL[i]); |
110 | if (unlikely(val < 0)) { |
111 | ret = ERR_PTR(val); |
112 | goto abort; |
113 | } |
114 | data->temp_val[i] = val; |
115 | |
116 | val = sch56xx_read_virtual_reg(data->addr, |
117 | SCH5636_REG_TEMP_CTRL(i)); |
118 | if (unlikely(val < 0)) { |
119 | ret = ERR_PTR(val); |
120 | goto abort; |
121 | } |
122 | data->temp_ctrl[i] = val; |
123 | /* Alarms need to be explicitly write-cleared */ |
124 | if (val & SCH5636_TEMP_ALARM) { |
125 | sch56xx_write_virtual_reg(data->addr, |
126 | SCH5636_REG_TEMP_CTRL(i), val); |
127 | } |
128 | } |
129 | |
130 | for (i = 0; i < SCH5636_NO_FANS; i++) { |
131 | if (data->fan_ctrl[i] & SCH5636_FAN_DEACTIVATED) |
132 | continue; |
133 | |
134 | val = sch56xx_read_virtual_reg16(data->addr, |
135 | SCH5636_REG_FAN_VAL[i]); |
136 | if (unlikely(val < 0)) { |
137 | ret = ERR_PTR(val); |
138 | goto abort; |
139 | } |
140 | data->fan_val[i] = val; |
141 | |
142 | val = sch56xx_read_virtual_reg(data->addr, |
143 | SCH5636_REG_FAN_CTRL(i)); |
144 | if (unlikely(val < 0)) { |
145 | ret = ERR_PTR(val); |
146 | goto abort; |
147 | } |
148 | data->fan_ctrl[i] = val; |
149 | /* Alarms need to be explicitly write-cleared */ |
150 | if (val & SCH5636_FAN_ALARM) { |
151 | sch56xx_write_virtual_reg(data->addr, |
152 | SCH5636_REG_FAN_CTRL(i), val); |
153 | } |
154 | } |
155 | |
156 | data->last_updated = jiffies; |
157 | data->valid = 1; |
158 | abort: |
159 | mutex_unlock(&data->update_lock); |
160 | return ret; |
161 | } |
162 | |
163 | static int reg_to_rpm(u16 reg) |
164 | { |
165 | if (reg == 0) |
166 | return -EIO; |
167 | if (reg == 0xffff) |
168 | return 0; |
169 | |
170 | return 5400540 / reg; |
171 | } |
172 | |
173 | static ssize_t show_name(struct device *dev, struct device_attribute *devattr, |
174 | char *buf) |
175 | { |
176 | return snprintf(buf, PAGE_SIZE, "%s\n", DEVNAME); |
177 | } |
178 | |
179 | static ssize_t show_in_value(struct device *dev, struct device_attribute |
180 | *devattr, char *buf) |
181 | { |
182 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
183 | struct sch5636_data *data = sch5636_update_device(dev); |
184 | int val; |
185 | |
186 | if (IS_ERR(data)) |
187 | return PTR_ERR(data); |
188 | |
189 | val = DIV_ROUND_CLOSEST( |
190 | data->in[attr->index] * SCH5636_REG_IN_FACTORS[attr->index], |
191 | 255); |
192 | return snprintf(buf, PAGE_SIZE, "%d\n", val); |
193 | } |
194 | |
195 | static ssize_t show_in_label(struct device *dev, struct device_attribute |
196 | *devattr, char *buf) |
197 | { |
198 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
199 | |
200 | return snprintf(buf, PAGE_SIZE, "%s\n", |
201 | SCH5636_IN_LABELS[attr->index]); |
202 | } |
203 | |
204 | static ssize_t show_temp_value(struct device *dev, struct device_attribute |
205 | *devattr, char *buf) |
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_val[attr->index] - 64) * 1000; |
215 | return snprintf(buf, PAGE_SIZE, "%d\n", val); |
216 | } |
217 | |
218 | static ssize_t show_temp_fault(struct device *dev, struct device_attribute |
219 | *devattr, char *buf) |
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_WORKING) ? 0 : 1; |
229 | return snprintf(buf, PAGE_SIZE, "%d\n", val); |
230 | } |
231 | |
232 | static ssize_t show_temp_alarm(struct device *dev, struct device_attribute |
233 | *devattr, char *buf) |
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 = (data->temp_ctrl[attr->index] & SCH5636_TEMP_ALARM) ? 1 : 0; |
243 | return snprintf(buf, PAGE_SIZE, "%d\n", val); |
244 | } |
245 | |
246 | static ssize_t show_fan_value(struct device *dev, struct device_attribute |
247 | *devattr, char *buf) |
248 | { |
249 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
250 | struct sch5636_data *data = sch5636_update_device(dev); |
251 | int val; |
252 | |
253 | if (IS_ERR(data)) |
254 | return PTR_ERR(data); |
255 | |
256 | val = reg_to_rpm(data->fan_val[attr->index]); |
257 | if (val < 0) |
258 | return val; |
259 | |
260 | return snprintf(buf, PAGE_SIZE, "%d\n", val); |
261 | } |
262 | |
263 | static ssize_t show_fan_fault(struct device *dev, struct device_attribute |
264 | *devattr, char *buf) |
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_NOT_PRESENT) ? 1 : 0; |
274 | return snprintf(buf, PAGE_SIZE, "%d\n", val); |
275 | } |
276 | |
277 | static ssize_t show_fan_alarm(struct device *dev, struct device_attribute |
278 | *devattr, char *buf) |
279 | { |
280 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
281 | struct sch5636_data *data = sch5636_update_device(dev); |
282 | int val; |
283 | |
284 | if (IS_ERR(data)) |
285 | return PTR_ERR(data); |
286 | |
287 | val = (data->fan_ctrl[attr->index] & SCH5636_FAN_ALARM) ? 1 : 0; |
288 | return snprintf(buf, PAGE_SIZE, "%d\n", val); |
289 | } |
290 | |
291 | static struct sensor_device_attribute sch5636_attr[] = { |
292 | SENSOR_ATTR(name, 0444, show_name, NULL, 0), |
293 | SENSOR_ATTR(in0_input, 0444, show_in_value, NULL, 0), |
294 | SENSOR_ATTR(in0_label, 0444, show_in_label, NULL, 0), |
295 | SENSOR_ATTR(in1_input, 0444, show_in_value, NULL, 1), |
296 | SENSOR_ATTR(in1_label, 0444, show_in_label, NULL, 1), |
297 | SENSOR_ATTR(in2_input, 0444, show_in_value, NULL, 2), |
298 | SENSOR_ATTR(in2_label, 0444, show_in_label, NULL, 2), |
299 | SENSOR_ATTR(in3_input, 0444, show_in_value, NULL, 3), |
300 | SENSOR_ATTR(in3_label, 0444, show_in_label, NULL, 3), |
301 | SENSOR_ATTR(in4_input, 0444, show_in_value, NULL, 4), |
302 | SENSOR_ATTR(in4_label, 0444, show_in_label, NULL, 4), |
303 | }; |
304 | |
305 | static struct sensor_device_attribute sch5636_temp_attr[] = { |
306 | SENSOR_ATTR(temp1_input, 0444, show_temp_value, NULL, 0), |
307 | SENSOR_ATTR(temp1_fault, 0444, show_temp_fault, NULL, 0), |
308 | SENSOR_ATTR(temp1_alarm, 0444, show_temp_alarm, NULL, 0), |
309 | SENSOR_ATTR(temp2_input, 0444, show_temp_value, NULL, 1), |
310 | SENSOR_ATTR(temp2_fault, 0444, show_temp_fault, NULL, 1), |
311 | SENSOR_ATTR(temp2_alarm, 0444, show_temp_alarm, NULL, 1), |
312 | SENSOR_ATTR(temp3_input, 0444, show_temp_value, NULL, 2), |
313 | SENSOR_ATTR(temp3_fault, 0444, show_temp_fault, NULL, 2), |
314 | SENSOR_ATTR(temp3_alarm, 0444, show_temp_alarm, NULL, 2), |
315 | SENSOR_ATTR(temp4_input, 0444, show_temp_value, NULL, 3), |
316 | SENSOR_ATTR(temp4_fault, 0444, show_temp_fault, NULL, 3), |
317 | SENSOR_ATTR(temp4_alarm, 0444, show_temp_alarm, NULL, 3), |
318 | SENSOR_ATTR(temp5_input, 0444, show_temp_value, NULL, 4), |
319 | SENSOR_ATTR(temp5_fault, 0444, show_temp_fault, NULL, 4), |
320 | SENSOR_ATTR(temp5_alarm, 0444, show_temp_alarm, NULL, 4), |
321 | SENSOR_ATTR(temp6_input, 0444, show_temp_value, NULL, 5), |
322 | SENSOR_ATTR(temp6_fault, 0444, show_temp_fault, NULL, 5), |
323 | SENSOR_ATTR(temp6_alarm, 0444, show_temp_alarm, NULL, 5), |
324 | SENSOR_ATTR(temp7_input, 0444, show_temp_value, NULL, 6), |
325 | SENSOR_ATTR(temp7_fault, 0444, show_temp_fault, NULL, 6), |
326 | SENSOR_ATTR(temp7_alarm, 0444, show_temp_alarm, NULL, 6), |
327 | SENSOR_ATTR(temp8_input, 0444, show_temp_value, NULL, 7), |
328 | SENSOR_ATTR(temp8_fault, 0444, show_temp_fault, NULL, 7), |
329 | SENSOR_ATTR(temp8_alarm, 0444, show_temp_alarm, NULL, 7), |
330 | SENSOR_ATTR(temp9_input, 0444, show_temp_value, NULL, 8), |
331 | SENSOR_ATTR(temp9_fault, 0444, show_temp_fault, NULL, 8), |
332 | SENSOR_ATTR(temp9_alarm, 0444, show_temp_alarm, NULL, 8), |
333 | SENSOR_ATTR(temp10_input, 0444, show_temp_value, NULL, 9), |
334 | SENSOR_ATTR(temp10_fault, 0444, show_temp_fault, NULL, 9), |
335 | SENSOR_ATTR(temp10_alarm, 0444, show_temp_alarm, NULL, 9), |
336 | SENSOR_ATTR(temp11_input, 0444, show_temp_value, NULL, 10), |
337 | SENSOR_ATTR(temp11_fault, 0444, show_temp_fault, NULL, 10), |
338 | SENSOR_ATTR(temp11_alarm, 0444, show_temp_alarm, NULL, 10), |
339 | SENSOR_ATTR(temp12_input, 0444, show_temp_value, NULL, 11), |
340 | SENSOR_ATTR(temp12_fault, 0444, show_temp_fault, NULL, 11), |
341 | SENSOR_ATTR(temp12_alarm, 0444, show_temp_alarm, NULL, 11), |
342 | SENSOR_ATTR(temp13_input, 0444, show_temp_value, NULL, 12), |
343 | SENSOR_ATTR(temp13_fault, 0444, show_temp_fault, NULL, 12), |
344 | SENSOR_ATTR(temp13_alarm, 0444, show_temp_alarm, NULL, 12), |
345 | SENSOR_ATTR(temp14_input, 0444, show_temp_value, NULL, 13), |
346 | SENSOR_ATTR(temp14_fault, 0444, show_temp_fault, NULL, 13), |
347 | SENSOR_ATTR(temp14_alarm, 0444, show_temp_alarm, NULL, 13), |
348 | SENSOR_ATTR(temp15_input, 0444, show_temp_value, NULL, 14), |
349 | SENSOR_ATTR(temp15_fault, 0444, show_temp_fault, NULL, 14), |
350 | SENSOR_ATTR(temp15_alarm, 0444, show_temp_alarm, NULL, 14), |
351 | SENSOR_ATTR(temp16_input, 0444, show_temp_value, NULL, 15), |
352 | SENSOR_ATTR(temp16_fault, 0444, show_temp_fault, NULL, 15), |
353 | SENSOR_ATTR(temp16_alarm, 0444, show_temp_alarm, NULL, 15), |
354 | }; |
355 | |
356 | static struct sensor_device_attribute sch5636_fan_attr[] = { |
357 | SENSOR_ATTR(fan1_input, 0444, show_fan_value, NULL, 0), |
358 | SENSOR_ATTR(fan1_fault, 0444, show_fan_fault, NULL, 0), |
359 | SENSOR_ATTR(fan1_alarm, 0444, show_fan_alarm, NULL, 0), |
360 | SENSOR_ATTR(fan2_input, 0444, show_fan_value, NULL, 1), |
361 | SENSOR_ATTR(fan2_fault, 0444, show_fan_fault, NULL, 1), |
362 | SENSOR_ATTR(fan2_alarm, 0444, show_fan_alarm, NULL, 1), |
363 | SENSOR_ATTR(fan3_input, 0444, show_fan_value, NULL, 2), |
364 | SENSOR_ATTR(fan3_fault, 0444, show_fan_fault, NULL, 2), |
365 | SENSOR_ATTR(fan3_alarm, 0444, show_fan_alarm, NULL, 2), |
366 | SENSOR_ATTR(fan4_input, 0444, show_fan_value, NULL, 3), |
367 | SENSOR_ATTR(fan4_fault, 0444, show_fan_fault, NULL, 3), |
368 | SENSOR_ATTR(fan4_alarm, 0444, show_fan_alarm, NULL, 3), |
369 | SENSOR_ATTR(fan5_input, 0444, show_fan_value, NULL, 4), |
370 | SENSOR_ATTR(fan5_fault, 0444, show_fan_fault, NULL, 4), |
371 | SENSOR_ATTR(fan5_alarm, 0444, show_fan_alarm, NULL, 4), |
372 | SENSOR_ATTR(fan6_input, 0444, show_fan_value, NULL, 5), |
373 | SENSOR_ATTR(fan6_fault, 0444, show_fan_fault, NULL, 5), |
374 | SENSOR_ATTR(fan6_alarm, 0444, show_fan_alarm, NULL, 5), |
375 | SENSOR_ATTR(fan7_input, 0444, show_fan_value, NULL, 6), |
376 | SENSOR_ATTR(fan7_fault, 0444, show_fan_fault, NULL, 6), |
377 | SENSOR_ATTR(fan7_alarm, 0444, show_fan_alarm, NULL, 6), |
378 | SENSOR_ATTR(fan8_input, 0444, show_fan_value, NULL, 7), |
379 | SENSOR_ATTR(fan8_fault, 0444, show_fan_fault, NULL, 7), |
380 | SENSOR_ATTR(fan8_alarm, 0444, show_fan_alarm, NULL, 7), |
381 | }; |
382 | |
383 | static int sch5636_remove(struct platform_device *pdev) |
384 | { |
385 | struct sch5636_data *data = platform_get_drvdata(pdev); |
386 | int i; |
387 | |
388 | if (data->watchdog) |
389 | sch56xx_watchdog_unregister(data->watchdog); |
390 | |
391 | if (data->hwmon_dev) |
392 | hwmon_device_unregister(data->hwmon_dev); |
393 | |
394 | for (i = 0; i < ARRAY_SIZE(sch5636_attr); i++) |
395 | device_remove_file(&pdev->dev, &sch5636_attr[i].dev_attr); |
396 | |
397 | for (i = 0; i < SCH5636_NO_TEMPS * 3; i++) |
398 | device_remove_file(&pdev->dev, |
399 | &sch5636_temp_attr[i].dev_attr); |
400 | |
401 | for (i = 0; i < SCH5636_NO_FANS * 3; i++) |
402 | device_remove_file(&pdev->dev, |
403 | &sch5636_fan_attr[i].dev_attr); |
404 | |
405 | return 0; |
406 | } |
407 | |
408 | static int sch5636_probe(struct platform_device *pdev) |
409 | { |
410 | struct sch5636_data *data; |
411 | int i, err, val, revision[2]; |
412 | char id[4]; |
413 | |
414 | data = devm_kzalloc(&pdev->dev, sizeof(struct sch5636_data), |
415 | GFP_KERNEL); |
416 | if (!data) |
417 | return -ENOMEM; |
418 | |
419 | data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start; |
420 | mutex_init(&data->update_lock); |
421 | platform_set_drvdata(pdev, data); |
422 | |
423 | for (i = 0; i < 3; i++) { |
424 | val = sch56xx_read_virtual_reg(data->addr, |
425 | SCH5636_REG_FUJITSU_ID + i); |
426 | if (val < 0) { |
427 | pr_err("Could not read Fujitsu id byte at %#x\n", |
428 | SCH5636_REG_FUJITSU_ID + i); |
429 | err = val; |
430 | goto error; |
431 | } |
432 | id[i] = val; |
433 | } |
434 | id[i] = '\0'; |
435 | |
436 | if (strcmp(id, "THS")) { |
437 | pr_err("Unknown Fujitsu id: %02x%02x%02x\n", |
438 | id[0], id[1], id[2]); |
439 | err = -ENODEV; |
440 | goto error; |
441 | } |
442 | |
443 | for (i = 0; i < 2; i++) { |
444 | val = sch56xx_read_virtual_reg(data->addr, |
445 | SCH5636_REG_FUJITSU_REV + i); |
446 | if (val < 0) { |
447 | err = val; |
448 | goto error; |
449 | } |
450 | revision[i] = val; |
451 | } |
452 | pr_info("Found %s chip at %#hx, revison: %d.%02d\n", DEVNAME, |
453 | data->addr, revision[0], revision[1]); |
454 | |
455 | /* Read all temp + fan ctrl registers to determine which are active */ |
456 | for (i = 0; i < SCH5636_NO_TEMPS; i++) { |
457 | val = sch56xx_read_virtual_reg(data->addr, |
458 | SCH5636_REG_TEMP_CTRL(i)); |
459 | if (unlikely(val < 0)) { |
460 | err = val; |
461 | goto error; |
462 | } |
463 | data->temp_ctrl[i] = val; |
464 | } |
465 | |
466 | for (i = 0; i < SCH5636_NO_FANS; i++) { |
467 | val = sch56xx_read_virtual_reg(data->addr, |
468 | SCH5636_REG_FAN_CTRL(i)); |
469 | if (unlikely(val < 0)) { |
470 | err = val; |
471 | goto error; |
472 | } |
473 | data->fan_ctrl[i] = val; |
474 | } |
475 | |
476 | for (i = 0; i < ARRAY_SIZE(sch5636_attr); i++) { |
477 | err = device_create_file(&pdev->dev, |
478 | &sch5636_attr[i].dev_attr); |
479 | if (err) |
480 | goto error; |
481 | } |
482 | |
483 | for (i = 0; i < (SCH5636_NO_TEMPS * 3); i++) { |
484 | if (data->temp_ctrl[i/3] & SCH5636_TEMP_DEACTIVATED) |
485 | continue; |
486 | |
487 | err = device_create_file(&pdev->dev, |
488 | &sch5636_temp_attr[i].dev_attr); |
489 | if (err) |
490 | goto error; |
491 | } |
492 | |
493 | for (i = 0; i < (SCH5636_NO_FANS * 3); i++) { |
494 | if (data->fan_ctrl[i/3] & SCH5636_FAN_DEACTIVATED) |
495 | continue; |
496 | |
497 | err = device_create_file(&pdev->dev, |
498 | &sch5636_fan_attr[i].dev_attr); |
499 | if (err) |
500 | goto error; |
501 | } |
502 | |
503 | data->hwmon_dev = hwmon_device_register(&pdev->dev); |
504 | if (IS_ERR(data->hwmon_dev)) { |
505 | err = PTR_ERR(data->hwmon_dev); |
506 | data->hwmon_dev = NULL; |
507 | goto error; |
508 | } |
509 | |
510 | /* Note failing to register the watchdog is not a fatal error */ |
511 | data->watchdog = sch56xx_watchdog_register(&pdev->dev, data->addr, |
512 | (revision[0] << 8) | revision[1], |
513 | &data->update_lock, 0); |
514 | |
515 | return 0; |
516 | |
517 | error: |
518 | sch5636_remove(pdev); |
519 | return err; |
520 | } |
521 | |
522 | static struct platform_driver sch5636_driver = { |
523 | .driver = { |
524 | .owner = THIS_MODULE, |
525 | .name = DRVNAME, |
526 | }, |
527 | .probe = sch5636_probe, |
528 | .remove = sch5636_remove, |
529 | }; |
530 | |
531 | module_platform_driver(sch5636_driver); |
532 | |
533 | MODULE_DESCRIPTION("SMSC SCH5636 Hardware Monitoring Driver"); |
534 | MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>"); |
535 | MODULE_LICENSE("GPL"); |
536 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
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jz47xx
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master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9