]>
Commit | Line | Data |
---|---|---|
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 | ||
77145f1c BS |
32 | #include "drmP.h" |
33 | ||
34 | #include "nouveau_drm.h" | |
35 | #include "nouveau_pm.h" | |
36 | ||
77145f1c BS |
37 | #include <subdev/gpio.h> |
38 | #include <subdev/timer.h> | |
aa1b9b48 | 39 | #include <subdev/therm.h> |
77145f1c BS |
40 | |
41 | MODULE_PARM_DESC(perflvl, "Performance level (default: boot)"); | |
42 | static char *nouveau_perflvl; | |
43 | module_param_named(perflvl, nouveau_perflvl, charp, 0400); | |
44 | ||
45 | MODULE_PARM_DESC(perflvl_wr, "Allow perflvl changes (warning: dangerous!)"); | |
46 | static int nouveau_perflvl_wr; | |
47 | module_param_named(perflvl_wr, nouveau_perflvl_wr, int, 0400); | |
48 | ||
64f1c11a | 49 | static int |
0b627a0b BS |
50 | nouveau_pm_perflvl_aux(struct drm_device *dev, struct nouveau_pm_level *perflvl, |
51 | struct nouveau_pm_level *a, struct nouveau_pm_level *b) | |
64f1c11a | 52 | { |
77145f1c BS |
53 | struct nouveau_drm *drm = nouveau_drm(dev); |
54 | struct nouveau_pm *pm = nouveau_pm(dev); | |
aa1b9b48 | 55 | struct nouveau_therm *therm = nouveau_therm(drm); |
64f1c11a BS |
56 | int ret; |
57 | ||
11b7d895 MP |
58 | /*XXX: not on all boards, we should control based on temperature |
59 | * on recent boards.. or maybe on some other factor we don't | |
60 | * know about? | |
61 | */ | |
aa1b9b48 MP |
62 | if (therm && therm->fan_set && |
63 | a->fanspeed && b->fanspeed && b->fanspeed > a->fanspeed) { | |
64 | ret = therm->fan_set(therm, perflvl->fanspeed); | |
0b627a0b | 65 | if (ret && ret != -ENODEV) { |
77145f1c | 66 | NV_ERROR(drm, "fanspeed set failed: %d\n", ret); |
0b627a0b BS |
67 | return ret; |
68 | } | |
771e1035 BS |
69 | } |
70 | ||
0b627a0b | 71 | if (pm->voltage.supported && pm->voltage_set) { |
d2edab4a | 72 | if (perflvl->volt_min && b->volt_min > a->volt_min) { |
0b627a0b BS |
73 | ret = pm->voltage_set(dev, perflvl->volt_min); |
74 | if (ret) { | |
77145f1c | 75 | NV_ERROR(drm, "voltage set failed: %d\n", ret); |
0b627a0b BS |
76 | return ret; |
77 | } | |
64f1c11a BS |
78 | } |
79 | } | |
80 | ||
0b627a0b BS |
81 | return 0; |
82 | } | |
83 | ||
84 | static int | |
85 | nouveau_pm_perflvl_set(struct drm_device *dev, struct nouveau_pm_level *perflvl) | |
86 | { | |
77145f1c | 87 | struct nouveau_pm *pm = nouveau_pm(dev); |
0b627a0b BS |
88 | void *state; |
89 | int ret; | |
90 | ||
91 | if (perflvl == pm->cur) | |
92 | return 0; | |
93 | ||
94 | ret = nouveau_pm_perflvl_aux(dev, perflvl, pm->cur, perflvl); | |
95 | if (ret) | |
96 | return ret; | |
97 | ||
ff2b6c6e | 98 | state = pm->clocks_pre(dev, perflvl); |
b0103747 MP |
99 | if (IS_ERR(state)) { |
100 | ret = PTR_ERR(state); | |
101 | goto error; | |
102 | } | |
103 | ret = pm->clocks_set(dev, state); | |
104 | if (ret) | |
105 | goto error; | |
64f1c11a | 106 | |
0b627a0b BS |
107 | ret = nouveau_pm_perflvl_aux(dev, perflvl, perflvl, pm->cur); |
108 | if (ret) | |
109 | return ret; | |
110 | ||
64f1c11a BS |
111 | pm->cur = perflvl; |
112 | return 0; | |
b0103747 MP |
113 | |
114 | error: | |
115 | /* restore the fan speed and voltage before leaving */ | |
116 | nouveau_pm_perflvl_aux(dev, perflvl, perflvl, pm->cur); | |
117 | return ret; | |
64f1c11a BS |
118 | } |
119 | ||
8d7bb400 BS |
120 | void |
121 | nouveau_pm_trigger(struct drm_device *dev) | |
122 | { | |
77145f1c BS |
123 | struct nouveau_drm *drm = nouveau_drm(dev); |
124 | struct nouveau_timer *ptimer = nouveau_timer(drm->device); | |
125 | struct nouveau_pm *pm = nouveau_pm(dev); | |
8d7bb400 BS |
126 | struct nouveau_pm_profile *profile = NULL; |
127 | struct nouveau_pm_level *perflvl = NULL; | |
128 | int ret; | |
129 | ||
130 | /* select power profile based on current power source */ | |
131 | if (power_supply_is_system_supplied()) | |
132 | profile = pm->profile_ac; | |
133 | else | |
134 | profile = pm->profile_dc; | |
135 | ||
25c53c10 BS |
136 | if (profile != pm->profile) { |
137 | pm->profile->func->fini(pm->profile); | |
138 | pm->profile = profile; | |
139 | pm->profile->func->init(pm->profile); | |
140 | } | |
141 | ||
8d7bb400 BS |
142 | /* select performance level based on profile */ |
143 | perflvl = profile->func->select(profile); | |
144 | ||
145 | /* change perflvl, if necessary */ | |
146 | if (perflvl != pm->cur) { | |
77145f1c | 147 | u64 time0 = ptimer->read(ptimer); |
8d7bb400 | 148 | |
77145f1c | 149 | NV_INFO(drm, "setting performance level: %d", perflvl->id); |
8d7bb400 BS |
150 | ret = nouveau_pm_perflvl_set(dev, perflvl); |
151 | if (ret) | |
77145f1c | 152 | NV_INFO(drm, "> reclocking failed: %d\n\n", ret); |
8d7bb400 | 153 | |
77145f1c BS |
154 | NV_INFO(drm, "> reclocking took %lluns\n\n", |
155 | ptimer->read(ptimer) - time0); | |
8d7bb400 BS |
156 | } |
157 | } | |
158 | ||
159 | static struct nouveau_pm_profile * | |
160 | profile_find(struct drm_device *dev, const char *string) | |
161 | { | |
77145f1c | 162 | struct nouveau_pm *pm = nouveau_pm(dev); |
8d7bb400 BS |
163 | struct nouveau_pm_profile *profile; |
164 | ||
165 | list_for_each_entry(profile, &pm->profiles, head) { | |
166 | if (!strncmp(profile->name, string, sizeof(profile->name))) | |
167 | return profile; | |
168 | } | |
169 | ||
170 | return NULL; | |
171 | } | |
172 | ||
6f876986 BS |
173 | static int |
174 | nouveau_pm_profile_set(struct drm_device *dev, const char *profile) | |
175 | { | |
77145f1c | 176 | struct nouveau_pm *pm = nouveau_pm(dev); |
8d7bb400 BS |
177 | struct nouveau_pm_profile *ac = NULL, *dc = NULL; |
178 | char string[16], *cur = string, *ptr; | |
6f876986 BS |
179 | |
180 | /* safety precaution, for now */ | |
181 | if (nouveau_perflvl_wr != 7777) | |
182 | return -EPERM; | |
183 | ||
8d7bb400 | 184 | strncpy(string, profile, sizeof(string)); |
5799d9e2 | 185 | string[sizeof(string) - 1] = 0; |
8d7bb400 BS |
186 | if ((ptr = strchr(string, '\n'))) |
187 | *ptr = '\0'; | |
6f876986 | 188 | |
8d7bb400 BS |
189 | ptr = strsep(&cur, ","); |
190 | if (ptr) | |
191 | ac = profile_find(dev, ptr); | |
6f876986 | 192 | |
8d7bb400 BS |
193 | ptr = strsep(&cur, ","); |
194 | if (ptr) | |
195 | dc = profile_find(dev, ptr); | |
196 | else | |
197 | dc = ac; | |
b0103747 | 198 | |
8d7bb400 BS |
199 | if (ac == NULL || dc == NULL) |
200 | return -EINVAL; | |
201 | ||
202 | pm->profile_ac = ac; | |
203 | pm->profile_dc = dc; | |
204 | nouveau_pm_trigger(dev); | |
205 | return 0; | |
6f876986 BS |
206 | } |
207 | ||
25c53c10 BS |
208 | static void |
209 | nouveau_pm_static_dummy(struct nouveau_pm_profile *profile) | |
210 | { | |
211 | } | |
212 | ||
8d7bb400 BS |
213 | static struct nouveau_pm_level * |
214 | nouveau_pm_static_select(struct nouveau_pm_profile *profile) | |
215 | { | |
216 | return container_of(profile, struct nouveau_pm_level, profile); | |
217 | } | |
218 | ||
219 | const struct nouveau_pm_profile_func nouveau_pm_static_profile_func = { | |
25c53c10 BS |
220 | .destroy = nouveau_pm_static_dummy, |
221 | .init = nouveau_pm_static_dummy, | |
222 | .fini = nouveau_pm_static_dummy, | |
8d7bb400 BS |
223 | .select = nouveau_pm_static_select, |
224 | }; | |
225 | ||
330c5988 BS |
226 | static int |
227 | nouveau_pm_perflvl_get(struct drm_device *dev, struct nouveau_pm_level *perflvl) | |
228 | { | |
aa1b9b48 | 229 | struct nouveau_drm *drm = nouveau_drm(dev); |
77145f1c | 230 | struct nouveau_pm *pm = nouveau_pm(dev); |
aa1b9b48 | 231 | struct nouveau_therm *therm = nouveau_therm(drm->device); |
330c5988 BS |
232 | int ret; |
233 | ||
330c5988 BS |
234 | memset(perflvl, 0, sizeof(*perflvl)); |
235 | ||
c11dd0da BS |
236 | if (pm->clocks_get) { |
237 | ret = pm->clocks_get(dev, perflvl); | |
238 | if (ret) | |
239 | return ret; | |
240 | } | |
330c5988 BS |
241 | |
242 | if (pm->voltage.supported && pm->voltage_get) { | |
243 | ret = pm->voltage_get(dev); | |
3b5565dd BS |
244 | if (ret > 0) { |
245 | perflvl->volt_min = ret; | |
246 | perflvl->volt_max = ret; | |
247 | } | |
330c5988 BS |
248 | } |
249 | ||
aa1b9b48 MP |
250 | if (therm && therm->fan_get) { |
251 | ret = therm->fan_get(therm); | |
252 | if (ret >= 0) | |
253 | perflvl->fanspeed = ret; | |
254 | } | |
771e1035 | 255 | |
fd99fd61 | 256 | nouveau_mem_timing_read(dev, &perflvl->timing); |
330c5988 BS |
257 | return 0; |
258 | } | |
259 | ||
260 | static void | |
261 | nouveau_pm_perflvl_info(struct nouveau_pm_level *perflvl, char *ptr, int len) | |
262 | { | |
085028ce | 263 | char c[16], s[16], v[32], f[16], m[16]; |
0fbb114a FJ |
264 | |
265 | c[0] = '\0'; | |
266 | if (perflvl->core) | |
267 | snprintf(c, sizeof(c), " core %dMHz", perflvl->core / 1000); | |
330c5988 BS |
268 | |
269 | s[0] = '\0'; | |
270 | if (perflvl->shader) | |
271 | snprintf(s, sizeof(s), " shader %dMHz", perflvl->shader / 1000); | |
272 | ||
93dccbed BS |
273 | m[0] = '\0'; |
274 | if (perflvl->memory) | |
275 | snprintf(m, sizeof(m), " memory %dMHz", perflvl->memory / 1000); | |
276 | ||
330c5988 | 277 | v[0] = '\0'; |
3b5565dd BS |
278 | if (perflvl->volt_min && perflvl->volt_min != perflvl->volt_max) { |
279 | snprintf(v, sizeof(v), " voltage %dmV-%dmV", | |
280 | perflvl->volt_min / 1000, perflvl->volt_max / 1000); | |
281 | } else | |
282 | if (perflvl->volt_min) { | |
283 | snprintf(v, sizeof(v), " voltage %dmV", | |
284 | perflvl->volt_min / 1000); | |
285 | } | |
330c5988 BS |
286 | |
287 | f[0] = '\0'; | |
288 | if (perflvl->fanspeed) | |
289 | snprintf(f, sizeof(f), " fanspeed %d%%", perflvl->fanspeed); | |
290 | ||
8d7bb400 | 291 | snprintf(ptr, len, "%s%s%s%s%s\n", c, s, m, v, f); |
330c5988 BS |
292 | } |
293 | ||
294 | static ssize_t | |
295 | nouveau_pm_get_perflvl_info(struct device *d, | |
296 | struct device_attribute *a, char *buf) | |
297 | { | |
8d7bb400 BS |
298 | struct nouveau_pm_level *perflvl = |
299 | container_of(a, struct nouveau_pm_level, dev_attr); | |
330c5988 BS |
300 | char *ptr = buf; |
301 | int len = PAGE_SIZE; | |
302 | ||
93dccbed | 303 | snprintf(ptr, len, "%d:", perflvl->id); |
330c5988 BS |
304 | ptr += strlen(buf); |
305 | len -= strlen(buf); | |
306 | ||
307 | nouveau_pm_perflvl_info(perflvl, ptr, len); | |
308 | return strlen(buf); | |
309 | } | |
310 | ||
311 | static ssize_t | |
312 | nouveau_pm_get_perflvl(struct device *d, struct device_attribute *a, char *buf) | |
313 | { | |
34e9d85a | 314 | struct drm_device *dev = pci_get_drvdata(to_pci_dev(d)); |
77145f1c | 315 | struct nouveau_pm *pm = nouveau_pm(dev); |
330c5988 BS |
316 | struct nouveau_pm_level cur; |
317 | int len = PAGE_SIZE, ret; | |
318 | char *ptr = buf; | |
319 | ||
8d7bb400 BS |
320 | snprintf(ptr, len, "profile: %s, %s\nc:", |
321 | pm->profile_ac->name, pm->profile_dc->name); | |
330c5988 BS |
322 | ptr += strlen(buf); |
323 | len -= strlen(buf); | |
324 | ||
325 | ret = nouveau_pm_perflvl_get(dev, &cur); | |
326 | if (ret == 0) | |
327 | nouveau_pm_perflvl_info(&cur, ptr, len); | |
328 | return strlen(buf); | |
329 | } | |
330 | ||
331 | static ssize_t | |
332 | nouveau_pm_set_perflvl(struct device *d, struct device_attribute *a, | |
333 | const char *buf, size_t count) | |
334 | { | |
34e9d85a | 335 | struct drm_device *dev = pci_get_drvdata(to_pci_dev(d)); |
6f876986 BS |
336 | int ret; |
337 | ||
338 | ret = nouveau_pm_profile_set(dev, buf); | |
339 | if (ret) | |
340 | return ret; | |
341 | return strlen(buf); | |
330c5988 BS |
342 | } |
343 | ||
5c4abd09 FJ |
344 | static DEVICE_ATTR(performance_level, S_IRUGO | S_IWUSR, |
345 | nouveau_pm_get_perflvl, nouveau_pm_set_perflvl); | |
330c5988 | 346 | |
34e9d85a MP |
347 | static int |
348 | nouveau_sysfs_init(struct drm_device *dev) | |
330c5988 | 349 | { |
77145f1c BS |
350 | struct nouveau_drm *drm = nouveau_drm(dev); |
351 | struct nouveau_pm *pm = nouveau_pm(dev); | |
330c5988 | 352 | struct device *d = &dev->pdev->dev; |
330c5988 BS |
353 | int ret, i; |
354 | ||
330c5988 BS |
355 | ret = device_create_file(d, &dev_attr_performance_level); |
356 | if (ret) | |
357 | return ret; | |
358 | ||
359 | for (i = 0; i < pm->nr_perflvl; i++) { | |
360 | struct nouveau_pm_level *perflvl = &pm->perflvl[i]; | |
361 | ||
362 | perflvl->dev_attr.attr.name = perflvl->name; | |
363 | perflvl->dev_attr.attr.mode = S_IRUGO; | |
364 | perflvl->dev_attr.show = nouveau_pm_get_perflvl_info; | |
365 | perflvl->dev_attr.store = NULL; | |
366 | sysfs_attr_init(&perflvl->dev_attr.attr); | |
367 | ||
368 | ret = device_create_file(d, &perflvl->dev_attr); | |
369 | if (ret) { | |
77145f1c | 370 | NV_ERROR(drm, "failed pervlvl %d sysfs: %d\n", |
330c5988 BS |
371 | perflvl->id, i); |
372 | perflvl->dev_attr.attr.name = NULL; | |
373 | nouveau_pm_fini(dev); | |
374 | return ret; | |
375 | } | |
376 | } | |
377 | ||
378 | return 0; | |
379 | } | |
380 | ||
34e9d85a MP |
381 | static void |
382 | nouveau_sysfs_fini(struct drm_device *dev) | |
330c5988 | 383 | { |
77145f1c | 384 | struct nouveau_pm *pm = nouveau_pm(dev); |
330c5988 BS |
385 | struct device *d = &dev->pdev->dev; |
386 | int i; | |
387 | ||
388 | device_remove_file(d, &dev_attr_performance_level); | |
389 | for (i = 0; i < pm->nr_perflvl; i++) { | |
390 | struct nouveau_pm_level *pl = &pm->perflvl[i]; | |
391 | ||
392 | if (!pl->dev_attr.attr.name) | |
393 | break; | |
394 | ||
395 | device_remove_file(d, &pl->dev_attr); | |
396 | } | |
34e9d85a MP |
397 | } |
398 | ||
658e86ee | 399 | #if defined(CONFIG_HWMON) || (defined(MODULE) && defined(CONFIG_HWMON_MODULE)) |
34e9d85a MP |
400 | static ssize_t |
401 | nouveau_hwmon_show_temp(struct device *d, struct device_attribute *a, char *buf) | |
402 | { | |
403 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 MP |
404 | struct nouveau_drm *drm = nouveau_drm(dev); |
405 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
34e9d85a | 406 | |
aa1b9b48 | 407 | return snprintf(buf, PAGE_SIZE, "%d\n", therm->temp_get(therm) * 1000); |
34e9d85a MP |
408 | } |
409 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, nouveau_hwmon_show_temp, | |
410 | NULL, 0); | |
411 | ||
412 | static ssize_t | |
413 | nouveau_hwmon_max_temp(struct device *d, struct device_attribute *a, char *buf) | |
414 | { | |
415 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 MP |
416 | struct nouveau_drm *drm = nouveau_drm(dev); |
417 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
34e9d85a | 418 | |
aa1b9b48 MP |
419 | return snprintf(buf, PAGE_SIZE, "%d\n", |
420 | therm->attr_get(therm, NOUVEAU_THERM_ATTR_THRS_DOWN_CLK) * 1000); | |
34e9d85a MP |
421 | } |
422 | static ssize_t | |
423 | nouveau_hwmon_set_max_temp(struct device *d, struct device_attribute *a, | |
424 | const char *buf, size_t count) | |
425 | { | |
426 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 MP |
427 | struct nouveau_drm *drm = nouveau_drm(dev); |
428 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
34e9d85a MP |
429 | long value; |
430 | ||
ddb20055 | 431 | if (kstrtol(buf, 10, &value) == -EINVAL) |
34e9d85a MP |
432 | return count; |
433 | ||
aa1b9b48 | 434 | therm->attr_set(therm, NOUVEAU_THERM_ATTR_THRS_DOWN_CLK, value / 1000); |
34e9d85a MP |
435 | |
436 | return count; | |
437 | } | |
438 | static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, nouveau_hwmon_max_temp, | |
439 | nouveau_hwmon_set_max_temp, | |
440 | 0); | |
441 | ||
442 | static ssize_t | |
443 | nouveau_hwmon_critical_temp(struct device *d, struct device_attribute *a, | |
444 | char *buf) | |
445 | { | |
446 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 MP |
447 | struct nouveau_drm *drm = nouveau_drm(dev); |
448 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
34e9d85a | 449 | |
aa1b9b48 MP |
450 | return snprintf(buf, PAGE_SIZE, "%d\n", |
451 | therm->attr_get(therm, NOUVEAU_THERM_ATTR_THRS_CRITICAL) * 1000); | |
34e9d85a MP |
452 | } |
453 | static ssize_t | |
454 | nouveau_hwmon_set_critical_temp(struct device *d, struct device_attribute *a, | |
455 | const char *buf, | |
456 | size_t count) | |
457 | { | |
458 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 MP |
459 | struct nouveau_drm *drm = nouveau_drm(dev); |
460 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
34e9d85a MP |
461 | long value; |
462 | ||
ddb20055 | 463 | if (kstrtol(buf, 10, &value) == -EINVAL) |
34e9d85a MP |
464 | return count; |
465 | ||
aa1b9b48 | 466 | therm->attr_set(therm, NOUVEAU_THERM_ATTR_THRS_CRITICAL, value / 1000); |
34e9d85a MP |
467 | |
468 | return count; | |
469 | } | |
470 | static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO | S_IWUSR, | |
471 | nouveau_hwmon_critical_temp, | |
472 | nouveau_hwmon_set_critical_temp, | |
473 | 0); | |
474 | ||
475 | static ssize_t nouveau_hwmon_show_name(struct device *dev, | |
476 | struct device_attribute *attr, | |
477 | char *buf) | |
478 | { | |
479 | return sprintf(buf, "nouveau\n"); | |
480 | } | |
481 | static SENSOR_DEVICE_ATTR(name, S_IRUGO, nouveau_hwmon_show_name, NULL, 0); | |
482 | ||
483 | static ssize_t nouveau_hwmon_show_update_rate(struct device *dev, | |
484 | struct device_attribute *attr, | |
485 | char *buf) | |
486 | { | |
487 | return sprintf(buf, "1000\n"); | |
488 | } | |
489 | static SENSOR_DEVICE_ATTR(update_rate, S_IRUGO, | |
490 | nouveau_hwmon_show_update_rate, | |
491 | NULL, 0); | |
492 | ||
11b7d895 MP |
493 | static ssize_t |
494 | nouveau_hwmon_show_fan0_input(struct device *d, struct device_attribute *attr, | |
495 | char *buf) | |
496 | { | |
497 | struct drm_device *dev = dev_get_drvdata(d); | |
77145f1c | 498 | struct nouveau_drm *drm = nouveau_drm(dev); |
aa1b9b48 | 499 | struct nouveau_therm *therm = nouveau_therm(drm->device); |
11b7d895 | 500 | |
aa1b9b48 | 501 | return snprintf(buf, PAGE_SIZE, "%d\n", therm->fan_sense(therm)); |
11b7d895 MP |
502 | } |
503 | static SENSOR_DEVICE_ATTR(fan0_input, S_IRUGO, nouveau_hwmon_show_fan0_input, | |
504 | NULL, 0); | |
505 | ||
2f951a5d MP |
506 | static ssize_t |
507 | nouveau_hwmon_get_pwm1_enable(struct device *d, | |
508 | struct device_attribute *a, char *buf) | |
509 | { | |
510 | struct drm_device *dev = dev_get_drvdata(d); | |
511 | struct nouveau_drm *drm = nouveau_drm(dev); | |
512 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
513 | int ret; | |
514 | ||
515 | ret = therm->attr_get(therm, NOUVEAU_THERM_ATTR_FAN_MODE); | |
516 | if (ret < 0) | |
517 | return ret; | |
518 | ||
519 | return sprintf(buf, "%i\n", ret); | |
520 | } | |
521 | ||
522 | static ssize_t | |
523 | nouveau_hwmon_set_pwm1_enable(struct device *d, struct device_attribute *a, | |
524 | const char *buf, size_t count) | |
525 | { | |
526 | struct drm_device *dev = dev_get_drvdata(d); | |
527 | struct nouveau_drm *drm = nouveau_drm(dev); | |
528 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
529 | long value; | |
530 | int ret; | |
531 | ||
532 | if (strict_strtol(buf, 10, &value) == -EINVAL) | |
533 | return -EINVAL; | |
534 | ||
535 | ret = therm->attr_set(therm, NOUVEAU_THERM_ATTR_FAN_MODE, value); | |
536 | if (ret) | |
537 | return ret; | |
538 | else | |
539 | return count; | |
540 | } | |
541 | static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, | |
542 | nouveau_hwmon_get_pwm1_enable, | |
543 | nouveau_hwmon_set_pwm1_enable, 0); | |
544 | ||
11b7d895 | 545 | static ssize_t |
c9cbf135 | 546 | nouveau_hwmon_get_pwm1(struct device *d, struct device_attribute *a, char *buf) |
11b7d895 MP |
547 | { |
548 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 MP |
549 | struct nouveau_drm *drm = nouveau_drm(dev); |
550 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
a175094c | 551 | int ret; |
11b7d895 | 552 | |
aa1b9b48 | 553 | ret = therm->fan_get(therm); |
11b7d895 MP |
554 | if (ret < 0) |
555 | return ret; | |
556 | ||
557 | return sprintf(buf, "%i\n", ret); | |
558 | } | |
559 | ||
560 | static ssize_t | |
c9cbf135 | 561 | nouveau_hwmon_set_pwm1(struct device *d, struct device_attribute *a, |
11b7d895 MP |
562 | const char *buf, size_t count) |
563 | { | |
564 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 MP |
565 | struct nouveau_drm *drm = nouveau_drm(dev); |
566 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
11b7d895 MP |
567 | int ret = -ENODEV; |
568 | long value; | |
569 | ||
570 | if (nouveau_perflvl_wr != 7777) | |
571 | return -EPERM; | |
572 | ||
ddb20055 | 573 | if (kstrtol(buf, 10, &value) == -EINVAL) |
11b7d895 MP |
574 | return -EINVAL; |
575 | ||
aa1b9b48 | 576 | ret = therm->fan_set(therm, value); |
11b7d895 MP |
577 | if (ret) |
578 | return ret; | |
579 | ||
580 | return count; | |
581 | } | |
582 | ||
c9cbf135 MP |
583 | static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, |
584 | nouveau_hwmon_get_pwm1, | |
585 | nouveau_hwmon_set_pwm1, 0); | |
11b7d895 MP |
586 | |
587 | static ssize_t | |
c9cbf135 | 588 | nouveau_hwmon_get_pwm1_min(struct device *d, |
11b7d895 MP |
589 | struct device_attribute *a, char *buf) |
590 | { | |
591 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 MP |
592 | struct nouveau_drm *drm = nouveau_drm(dev); |
593 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
594 | int ret; | |
595 | ||
596 | ret = therm->attr_get(therm, NOUVEAU_THERM_ATTR_FAN_MIN_DUTY); | |
597 | if (ret < 0) | |
598 | return ret; | |
11b7d895 | 599 | |
aa1b9b48 | 600 | return sprintf(buf, "%i\n", ret); |
11b7d895 MP |
601 | } |
602 | ||
603 | static ssize_t | |
c9cbf135 | 604 | nouveau_hwmon_set_pwm1_min(struct device *d, struct device_attribute *a, |
11b7d895 MP |
605 | const char *buf, size_t count) |
606 | { | |
607 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 MP |
608 | struct nouveau_drm *drm = nouveau_drm(dev); |
609 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
11b7d895 | 610 | long value; |
aa1b9b48 | 611 | int ret; |
11b7d895 | 612 | |
ddb20055 | 613 | if (kstrtol(buf, 10, &value) == -EINVAL) |
11b7d895 MP |
614 | return -EINVAL; |
615 | ||
aa1b9b48 MP |
616 | ret = therm->attr_set(therm, NOUVEAU_THERM_ATTR_FAN_MIN_DUTY, value); |
617 | if (ret < 0) | |
618 | return ret; | |
11b7d895 MP |
619 | |
620 | return count; | |
621 | } | |
622 | ||
c9cbf135 MP |
623 | static SENSOR_DEVICE_ATTR(pwm1_min, S_IRUGO | S_IWUSR, |
624 | nouveau_hwmon_get_pwm1_min, | |
625 | nouveau_hwmon_set_pwm1_min, 0); | |
11b7d895 MP |
626 | |
627 | static ssize_t | |
c9cbf135 | 628 | nouveau_hwmon_get_pwm1_max(struct device *d, |
11b7d895 MP |
629 | struct device_attribute *a, char *buf) |
630 | { | |
631 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 MP |
632 | struct nouveau_drm *drm = nouveau_drm(dev); |
633 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
634 | int ret; | |
11b7d895 | 635 | |
aa1b9b48 MP |
636 | ret = therm->attr_get(therm, NOUVEAU_THERM_ATTR_FAN_MAX_DUTY); |
637 | if (ret < 0) | |
638 | return ret; | |
639 | ||
640 | return sprintf(buf, "%i\n", ret); | |
11b7d895 MP |
641 | } |
642 | ||
643 | static ssize_t | |
c9cbf135 | 644 | nouveau_hwmon_set_pwm1_max(struct device *d, struct device_attribute *a, |
11b7d895 MP |
645 | const char *buf, size_t count) |
646 | { | |
647 | struct drm_device *dev = dev_get_drvdata(d); | |
aa1b9b48 MP |
648 | struct nouveau_drm *drm = nouveau_drm(dev); |
649 | struct nouveau_therm *therm = nouveau_therm(drm->device); | |
11b7d895 | 650 | long value; |
aa1b9b48 | 651 | int ret; |
11b7d895 | 652 | |
ddb20055 | 653 | if (kstrtol(buf, 10, &value) == -EINVAL) |
11b7d895 MP |
654 | return -EINVAL; |
655 | ||
aa1b9b48 MP |
656 | ret = therm->attr_set(therm, NOUVEAU_THERM_ATTR_FAN_MAX_DUTY, value); |
657 | if (ret < 0) | |
658 | return ret; | |
11b7d895 MP |
659 | |
660 | return count; | |
661 | } | |
662 | ||
c9cbf135 MP |
663 | static SENSOR_DEVICE_ATTR(pwm1_max, S_IRUGO | S_IWUSR, |
664 | nouveau_hwmon_get_pwm1_max, | |
665 | nouveau_hwmon_set_pwm1_max, 0); | |
11b7d895 | 666 | |
34e9d85a MP |
667 | static struct attribute *hwmon_attributes[] = { |
668 | &sensor_dev_attr_temp1_input.dev_attr.attr, | |
669 | &sensor_dev_attr_temp1_max.dev_attr.attr, | |
670 | &sensor_dev_attr_temp1_crit.dev_attr.attr, | |
671 | &sensor_dev_attr_name.dev_attr.attr, | |
672 | &sensor_dev_attr_update_rate.dev_attr.attr, | |
673 | NULL | |
674 | }; | |
11b7d895 MP |
675 | static struct attribute *hwmon_fan_rpm_attributes[] = { |
676 | &sensor_dev_attr_fan0_input.dev_attr.attr, | |
677 | NULL | |
678 | }; | |
679 | static struct attribute *hwmon_pwm_fan_attributes[] = { | |
2f951a5d | 680 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, |
c9cbf135 MP |
681 | &sensor_dev_attr_pwm1.dev_attr.attr, |
682 | &sensor_dev_attr_pwm1_min.dev_attr.attr, | |
683 | &sensor_dev_attr_pwm1_max.dev_attr.attr, | |
11b7d895 MP |
684 | NULL |
685 | }; | |
34e9d85a MP |
686 | |
687 | static const struct attribute_group hwmon_attrgroup = { | |
688 | .attrs = hwmon_attributes, | |
689 | }; | |
11b7d895 MP |
690 | static const struct attribute_group hwmon_fan_rpm_attrgroup = { |
691 | .attrs = hwmon_fan_rpm_attributes, | |
692 | }; | |
693 | static const struct attribute_group hwmon_pwm_fan_attrgroup = { | |
694 | .attrs = hwmon_pwm_fan_attributes, | |
695 | }; | |
b54262f3 | 696 | #endif |
34e9d85a MP |
697 | |
698 | static int | |
699 | nouveau_hwmon_init(struct drm_device *dev) | |
700 | { | |
77145f1c BS |
701 | struct nouveau_pm *pm = nouveau_pm(dev); |
702 | struct nouveau_drm *drm = nouveau_drm(dev); | |
aa1b9b48 | 703 | struct nouveau_therm *therm = nouveau_therm(drm->device); |
77145f1c | 704 | |
095f979a | 705 | #if defined(CONFIG_HWMON) || (defined(MODULE) && defined(CONFIG_HWMON_MODULE)) |
34e9d85a | 706 | struct device *hwmon_dev; |
11b7d895 | 707 | int ret = 0; |
34e9d85a | 708 | |
aa1b9b48 MP |
709 | if (!therm || !therm->temp_get || !therm->attr_get || |
710 | !therm->attr_set || therm->temp_get(therm) < 0) | |
8155cac4 | 711 | return -ENODEV; |
34e9d85a MP |
712 | |
713 | hwmon_dev = hwmon_device_register(&dev->pdev->dev); | |
714 | if (IS_ERR(hwmon_dev)) { | |
715 | ret = PTR_ERR(hwmon_dev); | |
77145f1c | 716 | NV_ERROR(drm, "Unable to register hwmon device: %d\n", ret); |
34e9d85a MP |
717 | return ret; |
718 | } | |
719 | dev_set_drvdata(hwmon_dev, dev); | |
11b7d895 MP |
720 | |
721 | /* default sysfs entries */ | |
07cfe0e7 | 722 | ret = sysfs_create_group(&dev->pdev->dev.kobj, &hwmon_attrgroup); |
34e9d85a | 723 | if (ret) { |
11b7d895 MP |
724 | if (ret) |
725 | goto error; | |
726 | } | |
727 | ||
728 | /* if the card has a pwm fan */ | |
729 | /*XXX: incorrect, need better detection for this, some boards have | |
730 | * the gpio entries for pwm fan control even when there's no | |
731 | * actual fan connected to it... therm table? */ | |
aa1b9b48 | 732 | if (therm->fan_get && therm->fan_get(therm) >= 0) { |
11b7d895 MP |
733 | ret = sysfs_create_group(&dev->pdev->dev.kobj, |
734 | &hwmon_pwm_fan_attrgroup); | |
735 | if (ret) | |
736 | goto error; | |
737 | } | |
738 | ||
739 | /* if the card can read the fan rpm */ | |
aa1b9b48 | 740 | if (therm->fan_sense(therm) >= 0) { |
11b7d895 MP |
741 | ret = sysfs_create_group(&dev->pdev->dev.kobj, |
742 | &hwmon_fan_rpm_attrgroup); | |
743 | if (ret) | |
744 | goto error; | |
34e9d85a MP |
745 | } |
746 | ||
8155cac4 | 747 | pm->hwmon = hwmon_dev; |
11b7d895 | 748 | |
34e9d85a | 749 | return 0; |
11b7d895 MP |
750 | |
751 | error: | |
77145f1c | 752 | NV_ERROR(drm, "Unable to create some hwmon sysfs files: %d\n", ret); |
11b7d895 MP |
753 | hwmon_device_unregister(hwmon_dev); |
754 | pm->hwmon = NULL; | |
755 | return ret; | |
756 | #else | |
757 | pm->hwmon = NULL; | |
758 | return 0; | |
759 | #endif | |
34e9d85a MP |
760 | } |
761 | ||
762 | static void | |
763 | nouveau_hwmon_fini(struct drm_device *dev) | |
764 | { | |
658e86ee | 765 | #if defined(CONFIG_HWMON) || (defined(MODULE) && defined(CONFIG_HWMON_MODULE)) |
77145f1c | 766 | struct nouveau_pm *pm = nouveau_pm(dev); |
34e9d85a | 767 | |
8155cac4 | 768 | if (pm->hwmon) { |
8c06a3e0 | 769 | sysfs_remove_group(&dev->pdev->dev.kobj, &hwmon_attrgroup); |
ddb20055 MP |
770 | sysfs_remove_group(&dev->pdev->dev.kobj, |
771 | &hwmon_pwm_fan_attrgroup); | |
772 | sysfs_remove_group(&dev->pdev->dev.kobj, | |
773 | &hwmon_fan_rpm_attrgroup); | |
11b7d895 | 774 | |
8155cac4 | 775 | hwmon_device_unregister(pm->hwmon); |
34e9d85a | 776 | } |
b54262f3 | 777 | #endif |
34e9d85a MP |
778 | } |
779 | ||
1f962797 | 780 | #if defined(CONFIG_ACPI) && defined(CONFIG_POWER_SUPPLY) |
6032649d BS |
781 | static int |
782 | nouveau_pm_acpi_event(struct notifier_block *nb, unsigned long val, void *data) | |
783 | { | |
77145f1c BS |
784 | struct nouveau_pm *pm = container_of(nb, struct nouveau_pm, acpi_nb); |
785 | struct nouveau_drm *drm = nouveau_drm(pm->dev); | |
6032649d BS |
786 | struct acpi_bus_event *entry = (struct acpi_bus_event *)data; |
787 | ||
788 | if (strcmp(entry->device_class, "ac_adapter") == 0) { | |
789 | bool ac = power_supply_is_system_supplied(); | |
790 | ||
77145f1c BS |
791 | NV_DEBUG(drm, "power supply changed: %s\n", ac ? "AC" : "DC"); |
792 | nouveau_pm_trigger(pm->dev); | |
6032649d BS |
793 | } |
794 | ||
795 | return NOTIFY_OK; | |
796 | } | |
797 | #endif | |
798 | ||
34e9d85a MP |
799 | int |
800 | nouveau_pm_init(struct drm_device *dev) | |
801 | { | |
77145f1c BS |
802 | struct nouveau_device *device = nouveau_dev(dev); |
803 | struct nouveau_drm *drm = nouveau_drm(dev); | |
804 | struct nouveau_pm *pm; | |
34e9d85a MP |
805 | char info[256]; |
806 | int ret, i; | |
807 | ||
77145f1c BS |
808 | pm = drm->pm = kzalloc(sizeof(*pm), GFP_KERNEL); |
809 | if (!pm) | |
810 | return -ENOMEM; | |
811 | ||
812 | pm->dev = dev; | |
813 | ||
814 | if (device->card_type < NV_40) { | |
815 | pm->clocks_get = nv04_pm_clocks_get; | |
816 | pm->clocks_pre = nv04_pm_clocks_pre; | |
817 | pm->clocks_set = nv04_pm_clocks_set; | |
818 | if (nouveau_gpio(drm->device)) { | |
819 | pm->voltage_get = nouveau_voltage_gpio_get; | |
820 | pm->voltage_set = nouveau_voltage_gpio_set; | |
821 | } | |
822 | } else | |
823 | if (device->card_type < NV_50) { | |
824 | pm->clocks_get = nv40_pm_clocks_get; | |
825 | pm->clocks_pre = nv40_pm_clocks_pre; | |
826 | pm->clocks_set = nv40_pm_clocks_set; | |
827 | pm->voltage_get = nouveau_voltage_gpio_get; | |
828 | pm->voltage_set = nouveau_voltage_gpio_set; | |
77145f1c BS |
829 | } else |
830 | if (device->card_type < NV_C0) { | |
831 | if (device->chipset < 0xa3 || | |
832 | device->chipset == 0xaa || | |
833 | device->chipset == 0xac) { | |
834 | pm->clocks_get = nv50_pm_clocks_get; | |
835 | pm->clocks_pre = nv50_pm_clocks_pre; | |
836 | pm->clocks_set = nv50_pm_clocks_set; | |
837 | } else { | |
838 | pm->clocks_get = nva3_pm_clocks_get; | |
839 | pm->clocks_pre = nva3_pm_clocks_pre; | |
840 | pm->clocks_set = nva3_pm_clocks_set; | |
841 | } | |
842 | pm->voltage_get = nouveau_voltage_gpio_get; | |
843 | pm->voltage_set = nouveau_voltage_gpio_set; | |
77145f1c BS |
844 | } else |
845 | if (device->card_type < NV_E0) { | |
846 | pm->clocks_get = nvc0_pm_clocks_get; | |
847 | pm->clocks_pre = nvc0_pm_clocks_pre; | |
848 | pm->clocks_set = nvc0_pm_clocks_set; | |
849 | pm->voltage_get = nouveau_voltage_gpio_get; | |
850 | pm->voltage_set = nouveau_voltage_gpio_set; | |
77145f1c BS |
851 | } |
852 | ||
853 | ||
68a64cad | 854 | /* parse aux tables from vbios */ |
34e9d85a | 855 | nouveau_volt_init(dev); |
34e9d85a | 856 | |
d89c8ce0 DES |
857 | INIT_LIST_HEAD(&pm->profiles); |
858 | ||
68a64cad BS |
859 | /* determine current ("boot") performance level */ |
860 | ret = nouveau_pm_perflvl_get(dev, &pm->boot); | |
861 | if (ret) { | |
77145f1c | 862 | NV_ERROR(drm, "failed to determine boot perflvl\n"); |
68a64cad BS |
863 | return ret; |
864 | } | |
865 | ||
866 | strncpy(pm->boot.name, "boot", 4); | |
8d7bb400 BS |
867 | strncpy(pm->boot.profile.name, "boot", 4); |
868 | pm->boot.profile.func = &nouveau_pm_static_profile_func; | |
869 | ||
8d7bb400 BS |
870 | list_add(&pm->boot.profile.head, &pm->profiles); |
871 | ||
872 | pm->profile_ac = &pm->boot.profile; | |
873 | pm->profile_dc = &pm->boot.profile; | |
25c53c10 | 874 | pm->profile = &pm->boot.profile; |
68a64cad BS |
875 | pm->cur = &pm->boot; |
876 | ||
877 | /* add performance levels from vbios */ | |
878 | nouveau_perf_init(dev); | |
879 | ||
880 | /* display available performance levels */ | |
77145f1c | 881 | NV_INFO(drm, "%d available performance level(s)\n", pm->nr_perflvl); |
34e9d85a MP |
882 | for (i = 0; i < pm->nr_perflvl; i++) { |
883 | nouveau_pm_perflvl_info(&pm->perflvl[i], info, sizeof(info)); | |
77145f1c | 884 | NV_INFO(drm, "%d:%s", pm->perflvl[i].id, info); |
34e9d85a MP |
885 | } |
886 | ||
68a64cad | 887 | nouveau_pm_perflvl_info(&pm->boot, info, sizeof(info)); |
77145f1c | 888 | NV_INFO(drm, "c:%s", info); |
34e9d85a MP |
889 | |
890 | /* switch performance levels now if requested */ | |
8d7bb400 BS |
891 | if (nouveau_perflvl != NULL) |
892 | nouveau_pm_profile_set(dev, nouveau_perflvl); | |
34e9d85a MP |
893 | |
894 | nouveau_sysfs_init(dev); | |
895 | nouveau_hwmon_init(dev); | |
1f962797 | 896 | #if defined(CONFIG_ACPI) && defined(CONFIG_POWER_SUPPLY) |
6032649d BS |
897 | pm->acpi_nb.notifier_call = nouveau_pm_acpi_event; |
898 | register_acpi_notifier(&pm->acpi_nb); | |
899 | #endif | |
34e9d85a MP |
900 | |
901 | return 0; | |
902 | } | |
903 | ||
904 | void | |
905 | nouveau_pm_fini(struct drm_device *dev) | |
906 | { | |
77145f1c | 907 | struct nouveau_pm *pm = nouveau_pm(dev); |
25c53c10 BS |
908 | struct nouveau_pm_profile *profile, *tmp; |
909 | ||
910 | list_for_each_entry_safe(profile, tmp, &pm->profiles, head) { | |
911 | list_del(&profile->head); | |
912 | profile->func->destroy(profile); | |
913 | } | |
34e9d85a MP |
914 | |
915 | if (pm->cur != &pm->boot) | |
916 | nouveau_pm_perflvl_set(dev, &pm->boot); | |
330c5988 BS |
917 | |
918 | nouveau_perf_fini(dev); | |
919 | nouveau_volt_fini(dev); | |
34e9d85a | 920 | |
1f962797 | 921 | #if defined(CONFIG_ACPI) && defined(CONFIG_POWER_SUPPLY) |
6032649d BS |
922 | unregister_acpi_notifier(&pm->acpi_nb); |
923 | #endif | |
34e9d85a MP |
924 | nouveau_hwmon_fini(dev); |
925 | nouveau_sysfs_fini(dev); | |
77145f1c BS |
926 | |
927 | nouveau_drm(dev)->pm = NULL; | |
928 | kfree(pm); | |
330c5988 BS |
929 | } |
930 | ||
64f1c11a BS |
931 | void |
932 | nouveau_pm_resume(struct drm_device *dev) | |
933 | { | |
77145f1c | 934 | struct nouveau_pm *pm = nouveau_pm(dev); |
64f1c11a BS |
935 | struct nouveau_pm_level *perflvl; |
936 | ||
317495b2 | 937 | if (!pm->cur || pm->cur == &pm->boot) |
64f1c11a BS |
938 | return; |
939 | ||
940 | perflvl = pm->cur; | |
941 | pm->cur = &pm->boot; | |
942 | nouveau_pm_perflvl_set(dev, perflvl); | |
943 | } |