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330c5988 BS |
1 | /* |
2 | * Copyright 2010 Red Hat Inc. | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
20 | * OTHER DEALINGS IN THE SOFTWARE. | |
21 | * | |
22 | * Authors: Ben Skeggs | |
23 | */ | |
24 | ||
6032649d BS |
25 | #ifdef CONFIG_ACPI |
26 | #include <linux/acpi.h> | |
27 | #endif | |
28 | #include <linux/power_supply.h> | |
34e9d85a MP |
29 | #include <linux/hwmon.h> |
30 | #include <linux/hwmon-sysfs.h> | |
31 | ||
612a9aab | 32 | #include <drm/drmP.h> |
a175094c | 33 | |
77145f1c | 34 | #include "nouveau_drm.h" |
b9ed919f | 35 | #include "nouveau_hwmon.h" |
a175094c | 36 | |
658e86ee | 37 | #if defined(CONFIG_HWMON) || (defined(MODULE) && defined(CONFIG_HWMON_MODULE)) |
34e9d85a MP |
38 | static ssize_t |
39 | nouveau_hwmon_show_temp(struct device *d, struct device_attribute *a, char *buf) | |
40 | { | |
41 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 | 42 | struct nouveau_drm *drm = nouveau_drm(dev); |
be83cd4e | 43 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
804ca90f | 44 | int temp = therm->temp_get(therm); |
34e9d85a | 45 | |
804ca90f MP |
46 | if (temp < 0) |
47 | return temp; | |
48 | ||
49 | return snprintf(buf, PAGE_SIZE, "%d\n", temp * 1000); | |
34e9d85a MP |
50 | } |
51 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, nouveau_hwmon_show_temp, | |
52 | NULL, 0); | |
53 | ||
12e32896 MP |
54 | static ssize_t |
55 | nouveau_hwmon_show_temp1_auto_point1_pwm(struct device *d, | |
56 | struct device_attribute *a, char *buf) | |
57 | { | |
58 | return snprintf(buf, PAGE_SIZE, "%d\n", 100); | |
59 | } | |
60 | static SENSOR_DEVICE_ATTR(temp1_auto_point1_pwm, S_IRUGO, | |
61 | nouveau_hwmon_show_temp1_auto_point1_pwm, NULL, 0); | |
62 | ||
63 | static ssize_t | |
64 | nouveau_hwmon_temp1_auto_point1_temp(struct device *d, | |
65 | struct device_attribute *a, char *buf) | |
66 | { | |
67 | struct drm_device *dev = dev_get_drvdata(d); | |
68 | struct nouveau_drm *drm = nouveau_drm(dev); | |
be83cd4e | 69 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
12e32896 MP |
70 | |
71 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
e1404611 | 72 | therm->attr_get(therm, NVKM_THERM_ATTR_THRS_FAN_BOOST) * 1000); |
12e32896 MP |
73 | } |
74 | static ssize_t | |
75 | nouveau_hwmon_set_temp1_auto_point1_temp(struct device *d, | |
76 | struct device_attribute *a, | |
77 | const char *buf, size_t count) | |
78 | { | |
79 | struct drm_device *dev = dev_get_drvdata(d); | |
80 | struct nouveau_drm *drm = nouveau_drm(dev); | |
be83cd4e | 81 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
12e32896 MP |
82 | long value; |
83 | ||
84 | if (kstrtol(buf, 10, &value) == -EINVAL) | |
85 | return count; | |
86 | ||
e1404611 | 87 | therm->attr_set(therm, NVKM_THERM_ATTR_THRS_FAN_BOOST, |
12e32896 MP |
88 | value / 1000); |
89 | ||
90 | return count; | |
91 | } | |
92 | static SENSOR_DEVICE_ATTR(temp1_auto_point1_temp, S_IRUGO | S_IWUSR, | |
93 | nouveau_hwmon_temp1_auto_point1_temp, | |
94 | nouveau_hwmon_set_temp1_auto_point1_temp, 0); | |
95 | ||
96 | static ssize_t | |
97 | nouveau_hwmon_temp1_auto_point1_temp_hyst(struct device *d, | |
98 | struct device_attribute *a, char *buf) | |
99 | { | |
100 | struct drm_device *dev = dev_get_drvdata(d); | |
101 | struct nouveau_drm *drm = nouveau_drm(dev); | |
be83cd4e | 102 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
12e32896 MP |
103 | |
104 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
e1404611 | 105 | therm->attr_get(therm, NVKM_THERM_ATTR_THRS_FAN_BOOST_HYST) * 1000); |
12e32896 MP |
106 | } |
107 | static ssize_t | |
108 | nouveau_hwmon_set_temp1_auto_point1_temp_hyst(struct device *d, | |
109 | struct device_attribute *a, | |
110 | const char *buf, size_t count) | |
111 | { | |
112 | struct drm_device *dev = dev_get_drvdata(d); | |
113 | struct nouveau_drm *drm = nouveau_drm(dev); | |
be83cd4e | 114 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
12e32896 MP |
115 | long value; |
116 | ||
117 | if (kstrtol(buf, 10, &value) == -EINVAL) | |
118 | return count; | |
119 | ||
e1404611 | 120 | therm->attr_set(therm, NVKM_THERM_ATTR_THRS_FAN_BOOST_HYST, |
12e32896 MP |
121 | value / 1000); |
122 | ||
123 | return count; | |
124 | } | |
125 | static SENSOR_DEVICE_ATTR(temp1_auto_point1_temp_hyst, S_IRUGO | S_IWUSR, | |
126 | nouveau_hwmon_temp1_auto_point1_temp_hyst, | |
127 | nouveau_hwmon_set_temp1_auto_point1_temp_hyst, 0); | |
128 | ||
34e9d85a MP |
129 | static ssize_t |
130 | nouveau_hwmon_max_temp(struct device *d, struct device_attribute *a, char *buf) | |
131 | { | |
132 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 | 133 | struct nouveau_drm *drm = nouveau_drm(dev); |
be83cd4e | 134 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
34e9d85a | 135 | |
aa1b9b48 | 136 | return snprintf(buf, PAGE_SIZE, "%d\n", |
e1404611 | 137 | therm->attr_get(therm, NVKM_THERM_ATTR_THRS_DOWN_CLK) * 1000); |
34e9d85a MP |
138 | } |
139 | static ssize_t | |
140 | nouveau_hwmon_set_max_temp(struct device *d, struct device_attribute *a, | |
141 | const char *buf, size_t count) | |
142 | { | |
143 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 | 144 | struct nouveau_drm *drm = nouveau_drm(dev); |
be83cd4e | 145 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
34e9d85a MP |
146 | long value; |
147 | ||
ddb20055 | 148 | if (kstrtol(buf, 10, &value) == -EINVAL) |
34e9d85a MP |
149 | return count; |
150 | ||
e1404611 | 151 | therm->attr_set(therm, NVKM_THERM_ATTR_THRS_DOWN_CLK, value / 1000); |
34e9d85a MP |
152 | |
153 | return count; | |
154 | } | |
155 | static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, nouveau_hwmon_max_temp, | |
156 | nouveau_hwmon_set_max_temp, | |
157 | 0); | |
158 | ||
12e32896 MP |
159 | static ssize_t |
160 | nouveau_hwmon_max_temp_hyst(struct device *d, struct device_attribute *a, | |
161 | char *buf) | |
162 | { | |
163 | struct drm_device *dev = dev_get_drvdata(d); | |
164 | struct nouveau_drm *drm = nouveau_drm(dev); | |
be83cd4e | 165 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
12e32896 MP |
166 | |
167 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
e1404611 | 168 | therm->attr_get(therm, NVKM_THERM_ATTR_THRS_DOWN_CLK_HYST) * 1000); |
12e32896 MP |
169 | } |
170 | static ssize_t | |
171 | nouveau_hwmon_set_max_temp_hyst(struct device *d, struct device_attribute *a, | |
172 | const char *buf, size_t count) | |
173 | { | |
174 | struct drm_device *dev = dev_get_drvdata(d); | |
175 | struct nouveau_drm *drm = nouveau_drm(dev); | |
be83cd4e | 176 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
12e32896 MP |
177 | long value; |
178 | ||
179 | if (kstrtol(buf, 10, &value) == -EINVAL) | |
180 | return count; | |
181 | ||
e1404611 | 182 | therm->attr_set(therm, NVKM_THERM_ATTR_THRS_DOWN_CLK_HYST, |
12e32896 MP |
183 | value / 1000); |
184 | ||
185 | return count; | |
186 | } | |
187 | static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, | |
188 | nouveau_hwmon_max_temp_hyst, | |
189 | nouveau_hwmon_set_max_temp_hyst, 0); | |
190 | ||
34e9d85a MP |
191 | static ssize_t |
192 | nouveau_hwmon_critical_temp(struct device *d, struct device_attribute *a, | |
193 | char *buf) | |
194 | { | |
195 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 | 196 | struct nouveau_drm *drm = nouveau_drm(dev); |
be83cd4e | 197 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
34e9d85a | 198 | |
aa1b9b48 | 199 | return snprintf(buf, PAGE_SIZE, "%d\n", |
e1404611 | 200 | therm->attr_get(therm, NVKM_THERM_ATTR_THRS_CRITICAL) * 1000); |
34e9d85a MP |
201 | } |
202 | static ssize_t | |
203 | nouveau_hwmon_set_critical_temp(struct device *d, struct device_attribute *a, | |
204 | const char *buf, | |
205 | size_t count) | |
206 | { | |
207 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 | 208 | struct nouveau_drm *drm = nouveau_drm(dev); |
be83cd4e | 209 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
34e9d85a MP |
210 | long value; |
211 | ||
ddb20055 | 212 | if (kstrtol(buf, 10, &value) == -EINVAL) |
34e9d85a MP |
213 | return count; |
214 | ||
e1404611 | 215 | therm->attr_set(therm, NVKM_THERM_ATTR_THRS_CRITICAL, value / 1000); |
34e9d85a MP |
216 | |
217 | return count; | |
218 | } | |
219 | static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO | S_IWUSR, | |
220 | nouveau_hwmon_critical_temp, | |
221 | nouveau_hwmon_set_critical_temp, | |
222 | 0); | |
223 | ||
12e32896 MP |
224 | static ssize_t |
225 | nouveau_hwmon_critical_temp_hyst(struct device *d, struct device_attribute *a, | |
226 | char *buf) | |
227 | { | |
228 | struct drm_device *dev = dev_get_drvdata(d); | |
229 | struct nouveau_drm *drm = nouveau_drm(dev); | |
be83cd4e | 230 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
12e32896 MP |
231 | |
232 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
e1404611 | 233 | therm->attr_get(therm, NVKM_THERM_ATTR_THRS_CRITICAL_HYST) * 1000); |
12e32896 MP |
234 | } |
235 | static ssize_t | |
236 | nouveau_hwmon_set_critical_temp_hyst(struct device *d, | |
237 | struct device_attribute *a, | |
238 | const char *buf, | |
239 | size_t count) | |
240 | { | |
241 | struct drm_device *dev = dev_get_drvdata(d); | |
242 | struct nouveau_drm *drm = nouveau_drm(dev); | |
be83cd4e | 243 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
12e32896 MP |
244 | long value; |
245 | ||
246 | if (kstrtol(buf, 10, &value) == -EINVAL) | |
247 | return count; | |
248 | ||
e1404611 | 249 | therm->attr_set(therm, NVKM_THERM_ATTR_THRS_CRITICAL_HYST, |
12e32896 MP |
250 | value / 1000); |
251 | ||
252 | return count; | |
253 | } | |
254 | static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IRUGO | S_IWUSR, | |
255 | nouveau_hwmon_critical_temp_hyst, | |
256 | nouveau_hwmon_set_critical_temp_hyst, 0); | |
257 | static ssize_t | |
258 | nouveau_hwmon_emergency_temp(struct device *d, struct device_attribute *a, | |
259 | char *buf) | |
260 | { | |
261 | struct drm_device *dev = dev_get_drvdata(d); | |
262 | struct nouveau_drm *drm = nouveau_drm(dev); | |
be83cd4e | 263 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
12e32896 MP |
264 | |
265 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
e1404611 | 266 | therm->attr_get(therm, NVKM_THERM_ATTR_THRS_SHUTDOWN) * 1000); |
12e32896 MP |
267 | } |
268 | static ssize_t | |
269 | nouveau_hwmon_set_emergency_temp(struct device *d, struct device_attribute *a, | |
270 | const char *buf, | |
271 | size_t count) | |
272 | { | |
273 | struct drm_device *dev = dev_get_drvdata(d); | |
274 | struct nouveau_drm *drm = nouveau_drm(dev); | |
be83cd4e | 275 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
12e32896 MP |
276 | long value; |
277 | ||
278 | if (kstrtol(buf, 10, &value) == -EINVAL) | |
279 | return count; | |
280 | ||
e1404611 | 281 | therm->attr_set(therm, NVKM_THERM_ATTR_THRS_SHUTDOWN, value / 1000); |
12e32896 MP |
282 | |
283 | return count; | |
284 | } | |
285 | static SENSOR_DEVICE_ATTR(temp1_emergency, S_IRUGO | S_IWUSR, | |
286 | nouveau_hwmon_emergency_temp, | |
287 | nouveau_hwmon_set_emergency_temp, | |
288 | 0); | |
289 | ||
290 | static ssize_t | |
291 | nouveau_hwmon_emergency_temp_hyst(struct device *d, struct device_attribute *a, | |
292 | char *buf) | |
293 | { | |
294 | struct drm_device *dev = dev_get_drvdata(d); | |
295 | struct nouveau_drm *drm = nouveau_drm(dev); | |
be83cd4e | 296 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
12e32896 MP |
297 | |
298 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
e1404611 | 299 | therm->attr_get(therm, NVKM_THERM_ATTR_THRS_SHUTDOWN_HYST) * 1000); |
12e32896 MP |
300 | } |
301 | static ssize_t | |
302 | nouveau_hwmon_set_emergency_temp_hyst(struct device *d, | |
303 | struct device_attribute *a, | |
304 | const char *buf, | |
305 | size_t count) | |
306 | { | |
307 | struct drm_device *dev = dev_get_drvdata(d); | |
308 | struct nouveau_drm *drm = nouveau_drm(dev); | |
be83cd4e | 309 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
12e32896 MP |
310 | long value; |
311 | ||
312 | if (kstrtol(buf, 10, &value) == -EINVAL) | |
313 | return count; | |
314 | ||
e1404611 | 315 | therm->attr_set(therm, NVKM_THERM_ATTR_THRS_SHUTDOWN_HYST, |
12e32896 MP |
316 | value / 1000); |
317 | ||
318 | return count; | |
319 | } | |
320 | static SENSOR_DEVICE_ATTR(temp1_emergency_hyst, S_IRUGO | S_IWUSR, | |
321 | nouveau_hwmon_emergency_temp_hyst, | |
322 | nouveau_hwmon_set_emergency_temp_hyst, | |
323 | 0); | |
324 | ||
34e9d85a MP |
325 | static ssize_t nouveau_hwmon_show_name(struct device *dev, |
326 | struct device_attribute *attr, | |
327 | char *buf) | |
328 | { | |
329 | return sprintf(buf, "nouveau\n"); | |
330 | } | |
331 | static SENSOR_DEVICE_ATTR(name, S_IRUGO, nouveau_hwmon_show_name, NULL, 0); | |
332 | ||
333 | static ssize_t nouveau_hwmon_show_update_rate(struct device *dev, | |
334 | struct device_attribute *attr, | |
335 | char *buf) | |
336 | { | |
337 | return sprintf(buf, "1000\n"); | |
338 | } | |
339 | static SENSOR_DEVICE_ATTR(update_rate, S_IRUGO, | |
340 | nouveau_hwmon_show_update_rate, | |
341 | NULL, 0); | |
342 | ||
11b7d895 | 343 | static ssize_t |
b2c36312 | 344 | nouveau_hwmon_show_fan1_input(struct device *d, struct device_attribute *attr, |
11b7d895 MP |
345 | char *buf) |
346 | { | |
347 | struct drm_device *dev = dev_get_drvdata(d); | |
77145f1c | 348 | struct nouveau_drm *drm = nouveau_drm(dev); |
be83cd4e | 349 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
11b7d895 | 350 | |
aa1b9b48 | 351 | return snprintf(buf, PAGE_SIZE, "%d\n", therm->fan_sense(therm)); |
11b7d895 | 352 | } |
b2c36312 | 353 | static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, nouveau_hwmon_show_fan1_input, |
11b7d895 MP |
354 | NULL, 0); |
355 | ||
2f951a5d MP |
356 | static ssize_t |
357 | nouveau_hwmon_get_pwm1_enable(struct device *d, | |
358 | struct device_attribute *a, char *buf) | |
359 | { | |
360 | struct drm_device *dev = dev_get_drvdata(d); | |
361 | struct nouveau_drm *drm = nouveau_drm(dev); | |
be83cd4e | 362 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
a0b25635 | 363 | int ret; |
11b7d895 | 364 | |
e1404611 | 365 | ret = therm->attr_get(therm, NVKM_THERM_ATTR_FAN_MODE); |
2f951a5d | 366 | if (ret < 0) |
a0b25635 | 367 | return ret; |
11b7d895 | 368 | |
2f951a5d MP |
369 | return sprintf(buf, "%i\n", ret); |
370 | } | |
11b7d895 | 371 | |
2f951a5d MP |
372 | static ssize_t |
373 | nouveau_hwmon_set_pwm1_enable(struct device *d, struct device_attribute *a, | |
374 | const char *buf, size_t count) | |
375 | { | |
376 | struct drm_device *dev = dev_get_drvdata(d); | |
377 | struct nouveau_drm *drm = nouveau_drm(dev); | |
be83cd4e | 378 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
2f951a5d MP |
379 | long value; |
380 | int ret; | |
381 | ||
0ac4e3a5 JH |
382 | ret = kstrtol(buf, 10, &value); |
383 | if (ret) | |
384 | return ret; | |
11b7d895 | 385 | |
e1404611 | 386 | ret = therm->attr_set(therm, NVKM_THERM_ATTR_FAN_MODE, value); |
2f951a5d MP |
387 | if (ret) |
388 | return ret; | |
389 | else | |
390 | return count; | |
11b7d895 | 391 | } |
2f951a5d MP |
392 | static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, |
393 | nouveau_hwmon_get_pwm1_enable, | |
394 | nouveau_hwmon_set_pwm1_enable, 0); | |
11b7d895 MP |
395 | |
396 | static ssize_t | |
c9cbf135 | 397 | nouveau_hwmon_get_pwm1(struct device *d, struct device_attribute *a, char *buf) |
11b7d895 MP |
398 | { |
399 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 | 400 | struct nouveau_drm *drm = nouveau_drm(dev); |
be83cd4e | 401 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
a175094c | 402 | int ret; |
11b7d895 | 403 | |
aa1b9b48 | 404 | ret = therm->fan_get(therm); |
11b7d895 MP |
405 | if (ret < 0) |
406 | return ret; | |
407 | ||
408 | return sprintf(buf, "%i\n", ret); | |
409 | } | |
410 | ||
411 | static ssize_t | |
c9cbf135 | 412 | nouveau_hwmon_set_pwm1(struct device *d, struct device_attribute *a, |
11b7d895 MP |
413 | const char *buf, size_t count) |
414 | { | |
415 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 | 416 | struct nouveau_drm *drm = nouveau_drm(dev); |
be83cd4e | 417 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
11b7d895 MP |
418 | int ret = -ENODEV; |
419 | long value; | |
420 | ||
ddb20055 | 421 | if (kstrtol(buf, 10, &value) == -EINVAL) |
11b7d895 MP |
422 | return -EINVAL; |
423 | ||
aa1b9b48 | 424 | ret = therm->fan_set(therm, value); |
11b7d895 MP |
425 | if (ret) |
426 | return ret; | |
427 | ||
428 | return count; | |
429 | } | |
430 | ||
c9cbf135 MP |
431 | static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, |
432 | nouveau_hwmon_get_pwm1, | |
433 | nouveau_hwmon_set_pwm1, 0); | |
11b7d895 MP |
434 | |
435 | static ssize_t | |
c9cbf135 | 436 | nouveau_hwmon_get_pwm1_min(struct device *d, |
11b7d895 MP |
437 | struct device_attribute *a, char *buf) |
438 | { | |
439 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 | 440 | struct nouveau_drm *drm = nouveau_drm(dev); |
be83cd4e | 441 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
aa1b9b48 MP |
442 | int ret; |
443 | ||
e1404611 | 444 | ret = therm->attr_get(therm, NVKM_THERM_ATTR_FAN_MIN_DUTY); |
aa1b9b48 MP |
445 | if (ret < 0) |
446 | return ret; | |
11b7d895 | 447 | |
aa1b9b48 | 448 | return sprintf(buf, "%i\n", ret); |
11b7d895 MP |
449 | } |
450 | ||
451 | static ssize_t | |
c9cbf135 | 452 | nouveau_hwmon_set_pwm1_min(struct device *d, struct device_attribute *a, |
11b7d895 MP |
453 | const char *buf, size_t count) |
454 | { | |
455 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 | 456 | struct nouveau_drm *drm = nouveau_drm(dev); |
be83cd4e | 457 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
11b7d895 | 458 | long value; |
aa1b9b48 | 459 | int ret; |
11b7d895 | 460 | |
ddb20055 | 461 | if (kstrtol(buf, 10, &value) == -EINVAL) |
11b7d895 MP |
462 | return -EINVAL; |
463 | ||
e1404611 | 464 | ret = therm->attr_set(therm, NVKM_THERM_ATTR_FAN_MIN_DUTY, value); |
aa1b9b48 MP |
465 | if (ret < 0) |
466 | return ret; | |
11b7d895 MP |
467 | |
468 | return count; | |
469 | } | |
470 | ||
c9cbf135 MP |
471 | static SENSOR_DEVICE_ATTR(pwm1_min, S_IRUGO | S_IWUSR, |
472 | nouveau_hwmon_get_pwm1_min, | |
473 | nouveau_hwmon_set_pwm1_min, 0); | |
11b7d895 MP |
474 | |
475 | static ssize_t | |
c9cbf135 | 476 | nouveau_hwmon_get_pwm1_max(struct device *d, |
11b7d895 MP |
477 | struct device_attribute *a, char *buf) |
478 | { | |
479 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 | 480 | struct nouveau_drm *drm = nouveau_drm(dev); |
be83cd4e | 481 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
aa1b9b48 | 482 | int ret; |
11b7d895 | 483 | |
e1404611 | 484 | ret = therm->attr_get(therm, NVKM_THERM_ATTR_FAN_MAX_DUTY); |
aa1b9b48 MP |
485 | if (ret < 0) |
486 | return ret; | |
11b7d895 | 487 | |
aa1b9b48 | 488 | return sprintf(buf, "%i\n", ret); |
11b7d895 MP |
489 | } |
490 | ||
491 | static ssize_t | |
c9cbf135 | 492 | nouveau_hwmon_set_pwm1_max(struct device *d, struct device_attribute *a, |
11b7d895 MP |
493 | const char *buf, size_t count) |
494 | { | |
495 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 | 496 | struct nouveau_drm *drm = nouveau_drm(dev); |
be83cd4e | 497 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
11b7d895 | 498 | long value; |
aa1b9b48 | 499 | int ret; |
11b7d895 | 500 | |
ddb20055 | 501 | if (kstrtol(buf, 10, &value) == -EINVAL) |
11b7d895 MP |
502 | return -EINVAL; |
503 | ||
e1404611 | 504 | ret = therm->attr_set(therm, NVKM_THERM_ATTR_FAN_MAX_DUTY, value); |
aa1b9b48 MP |
505 | if (ret < 0) |
506 | return ret; | |
11b7d895 MP |
507 | |
508 | return count; | |
509 | } | |
510 | ||
c9cbf135 MP |
511 | static SENSOR_DEVICE_ATTR(pwm1_max, S_IRUGO | S_IWUSR, |
512 | nouveau_hwmon_get_pwm1_max, | |
513 | nouveau_hwmon_set_pwm1_max, 0); | |
11b7d895 | 514 | |
804ca90f MP |
515 | static struct attribute *hwmon_default_attributes[] = { |
516 | &sensor_dev_attr_name.dev_attr.attr, | |
517 | &sensor_dev_attr_update_rate.dev_attr.attr, | |
518 | NULL | |
519 | }; | |
520 | static struct attribute *hwmon_temp_attributes[] = { | |
34e9d85a | 521 | &sensor_dev_attr_temp1_input.dev_attr.attr, |
12e32896 MP |
522 | &sensor_dev_attr_temp1_auto_point1_pwm.dev_attr.attr, |
523 | &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr, | |
524 | &sensor_dev_attr_temp1_auto_point1_temp_hyst.dev_attr.attr, | |
34e9d85a | 525 | &sensor_dev_attr_temp1_max.dev_attr.attr, |
12e32896 | 526 | &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, |
34e9d85a | 527 | &sensor_dev_attr_temp1_crit.dev_attr.attr, |
12e32896 MP |
528 | &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr, |
529 | &sensor_dev_attr_temp1_emergency.dev_attr.attr, | |
530 | &sensor_dev_attr_temp1_emergency_hyst.dev_attr.attr, | |
34e9d85a MP |
531 | NULL |
532 | }; | |
11b7d895 | 533 | static struct attribute *hwmon_fan_rpm_attributes[] = { |
b2c36312 | 534 | &sensor_dev_attr_fan1_input.dev_attr.attr, |
11b7d895 MP |
535 | NULL |
536 | }; | |
537 | static struct attribute *hwmon_pwm_fan_attributes[] = { | |
2f951a5d | 538 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, |
c9cbf135 MP |
539 | &sensor_dev_attr_pwm1.dev_attr.attr, |
540 | &sensor_dev_attr_pwm1_min.dev_attr.attr, | |
541 | &sensor_dev_attr_pwm1_max.dev_attr.attr, | |
11b7d895 MP |
542 | NULL |
543 | }; | |
34e9d85a | 544 | |
804ca90f MP |
545 | static const struct attribute_group hwmon_default_attrgroup = { |
546 | .attrs = hwmon_default_attributes, | |
547 | }; | |
548 | static const struct attribute_group hwmon_temp_attrgroup = { | |
549 | .attrs = hwmon_temp_attributes, | |
34e9d85a | 550 | }; |
11b7d895 MP |
551 | static const struct attribute_group hwmon_fan_rpm_attrgroup = { |
552 | .attrs = hwmon_fan_rpm_attributes, | |
553 | }; | |
554 | static const struct attribute_group hwmon_pwm_fan_attrgroup = { | |
555 | .attrs = hwmon_pwm_fan_attributes, | |
556 | }; | |
b54262f3 | 557 | #endif |
34e9d85a | 558 | |
b9ed919f | 559 | int |
34e9d85a MP |
560 | nouveau_hwmon_init(struct drm_device *dev) |
561 | { | |
095f979a | 562 | #if defined(CONFIG_HWMON) || (defined(MODULE) && defined(CONFIG_HWMON_MODULE)) |
57cdf82c | 563 | struct nouveau_drm *drm = nouveau_drm(dev); |
be83cd4e | 564 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
b9ed919f | 565 | struct nouveau_hwmon *hwmon; |
34e9d85a | 566 | struct device *hwmon_dev; |
11b7d895 | 567 | int ret = 0; |
34e9d85a | 568 | |
b9ed919f BS |
569 | hwmon = drm->hwmon = kzalloc(sizeof(*hwmon), GFP_KERNEL); |
570 | if (!hwmon) | |
571 | return -ENOMEM; | |
572 | hwmon->dev = dev; | |
573 | ||
a5f5af86 | 574 | if (!therm || !therm->temp_get || !therm->attr_get || !therm->attr_set) |
8155cac4 | 575 | return -ENODEV; |
34e9d85a MP |
576 | |
577 | hwmon_dev = hwmon_device_register(&dev->pdev->dev); | |
578 | if (IS_ERR(hwmon_dev)) { | |
579 | ret = PTR_ERR(hwmon_dev); | |
77145f1c | 580 | NV_ERROR(drm, "Unable to register hwmon device: %d\n", ret); |
34e9d85a MP |
581 | return ret; |
582 | } | |
583 | dev_set_drvdata(hwmon_dev, dev); | |
11b7d895 | 584 | |
804ca90f MP |
585 | /* set the default attributes */ |
586 | ret = sysfs_create_group(&hwmon_dev->kobj, &hwmon_default_attrgroup); | |
aa34efed DC |
587 | if (ret) |
588 | goto error; | |
11b7d895 | 589 | |
804ca90f MP |
590 | /* if the card has a working thermal sensor */ |
591 | if (therm->temp_get(therm) >= 0) { | |
592 | ret = sysfs_create_group(&hwmon_dev->kobj, &hwmon_temp_attrgroup); | |
aa34efed DC |
593 | if (ret) |
594 | goto error; | |
804ca90f MP |
595 | } |
596 | ||
11b7d895 MP |
597 | /* if the card has a pwm fan */ |
598 | /*XXX: incorrect, need better detection for this, some boards have | |
599 | * the gpio entries for pwm fan control even when there's no | |
600 | * actual fan connected to it... therm table? */ | |
aa1b9b48 | 601 | if (therm->fan_get && therm->fan_get(therm) >= 0) { |
5e90a88c | 602 | ret = sysfs_create_group(&hwmon_dev->kobj, |
11b7d895 MP |
603 | &hwmon_pwm_fan_attrgroup); |
604 | if (ret) | |
605 | goto error; | |
606 | } | |
607 | ||
608 | /* if the card can read the fan rpm */ | |
aa1b9b48 | 609 | if (therm->fan_sense(therm) >= 0) { |
5e90a88c | 610 | ret = sysfs_create_group(&hwmon_dev->kobj, |
11b7d895 MP |
611 | &hwmon_fan_rpm_attrgroup); |
612 | if (ret) | |
613 | goto error; | |
34e9d85a MP |
614 | } |
615 | ||
b9ed919f | 616 | hwmon->hwmon = hwmon_dev; |
11b7d895 | 617 | |
34e9d85a | 618 | return 0; |
11b7d895 MP |
619 | |
620 | error: | |
77145f1c | 621 | NV_ERROR(drm, "Unable to create some hwmon sysfs files: %d\n", ret); |
11b7d895 | 622 | hwmon_device_unregister(hwmon_dev); |
b9ed919f | 623 | hwmon->hwmon = NULL; |
11b7d895 MP |
624 | return ret; |
625 | #else | |
11b7d895 MP |
626 | return 0; |
627 | #endif | |
34e9d85a MP |
628 | } |
629 | ||
b9ed919f | 630 | void |
34e9d85a MP |
631 | nouveau_hwmon_fini(struct drm_device *dev) |
632 | { | |
658e86ee | 633 | #if defined(CONFIG_HWMON) || (defined(MODULE) && defined(CONFIG_HWMON_MODULE)) |
b9ed919f | 634 | struct nouveau_hwmon *hwmon = nouveau_hwmon(dev); |
34e9d85a | 635 | |
b9ed919f BS |
636 | if (hwmon->hwmon) { |
637 | sysfs_remove_group(&hwmon->hwmon->kobj, &hwmon_default_attrgroup); | |
638 | sysfs_remove_group(&hwmon->hwmon->kobj, &hwmon_temp_attrgroup); | |
639 | sysfs_remove_group(&hwmon->hwmon->kobj, &hwmon_pwm_fan_attrgroup); | |
640 | sysfs_remove_group(&hwmon->hwmon->kobj, &hwmon_fan_rpm_attrgroup); | |
11b7d895 | 641 | |
b9ed919f | 642 | hwmon_device_unregister(hwmon->hwmon); |
34e9d85a | 643 | } |
6032649d | 644 | |
b9ed919f BS |
645 | nouveau_drm(dev)->hwmon = NULL; |
646 | kfree(hwmon); | |
6032649d | 647 | #endif |
64f1c11a | 648 | } |