subdev/therm/nouveau_nvkm_subdev_therm_base.c

35 nvkm_therm_temp_get(struct nvkm_therm *therm)
37 	if (therm->func->temp_get)
38 		return therm->func->temp_get(therm);
43 nvkm_therm_update_trip(struct nvkm_therm *therm)
45 	struct nvbios_therm_trip_point *trip = therm->fan->bios.trip,
47 				       *last_trip = therm->last_trip;
48 	u8  temp = therm->func->temp_get(therm);
53 	for (i = 0; i < therm->fan->bios.nr_fan_trip; i++) {
65 		therm->last_trip = cur_trip;
68 		therm->last_trip = NULL;
75 nvkm_therm_compute_linear_duty(struct nvkm_therm *therm, u8 linear_min_temp,
78 	u8  temp = therm->func->temp_get(therm);
83 		return therm->fan->bios.min_duty;
85 		return therm->fan->bios.max_duty;
89 	duty *= (therm->fan->bios.max_duty - therm->fan->bios.min_duty);
91 	duty += therm->fan->bios.min_duty;
96 nvkm_therm_update_linear(struct nvkm_therm *therm)
98 	u8  min = therm->fan->bios.linear_min_temp;
99 	u8  max = therm->fan->bios.linear_max_temp;
100 	return nvkm_therm_compute_linear_duty(therm, min, max);
104 nvkm_therm_update_linear_fallback(struct nvkm_therm *therm)
106 	u8 max = therm->bios_sensor.thrs_fan_boost.temp;
107 	return nvkm_therm_compute_linear_duty(therm, 30, max);
111 nvkm_therm_update(struct nvkm_therm *therm, int mode)
113 	struct nvkm_subdev *subdev = &therm->subdev;
120 	spin_lock_irqsave(&therm->lock, flags);
122 		mode = therm->mode;
123 	therm->mode = mode;
127 		nvkm_timer_alarm(tmr, 0, &therm->alarm);
128 		duty = nvkm_therm_fan_get(therm);
134 		switch(therm->fan->bios.fan_mode) {
136 			duty = nvkm_therm_update_trip(therm);
139 			duty = nvkm_therm_update_linear(therm);
142 			if (therm->cstate) {
143 				duty = therm->cstate;
146 				duty = nvkm_therm_update_linear_fallback(therm);
154 		nvkm_timer_alarm(tmr, 0, &therm->alarm);
159 		nvkm_timer_alarm(tmr, 1000000000ULL, &therm->alarm);
160 	spin_unlock_irqrestore(&therm->lock, flags);
166 		nvkm_therm_fan_set(therm, immd, duty);
171 nvkm_therm_cstate(struct nvkm_therm *therm, int fan, int dir)
173 	struct nvkm_subdev *subdev = &therm->subdev;
174 	if (!dir || (dir < 0 && fan < therm->cstate) ||
175 		    (dir > 0 && fan > therm->cstate)) {
177 		therm->cstate = fan;
178 		nvkm_therm_update(therm, -1);
186 	struct nvkm_therm *therm =
188 	nvkm_therm_update(therm, -1);
192 nvkm_therm_fan_mode(struct nvkm_therm *therm, int mode)
194 	struct nvkm_subdev *subdev = &therm->subdev;
210 	    therm->func->temp_get(therm) < 0)
213 	if (therm->mode == mode)
217 	nvkm_therm_update(therm, mode);
222 nvkm_therm_attr_get(struct nvkm_therm *therm, enum nvkm_therm_attr_type type)
226 		return therm->fan->bios.min_duty;
228 		return therm->fan->bios.max_duty;
230 		return therm->mode;
232 		return therm->bios_sensor.thrs_fan_boost.temp;
234 		return therm->bios_sensor.thrs_fan_boost.hysteresis;
236 		return therm->bios_sensor.thrs_down_clock.temp;
238 		return therm->bios_sensor.thrs_down_clock.hysteresis;
240 		return therm->bios_sensor.thrs_critical.temp;
242 		return therm->bios_sensor.thrs_critical.hysteresis;
244 		return therm->bios_sensor.thrs_shutdown.temp;
246 		return therm->bios_sensor.thrs_shutdown.hysteresis;
253 nvkm_therm_attr_set(struct nvkm_therm *therm,
260 		if (value > therm->fan->bios.max_duty)
261 			value = therm->fan->bios.max_duty;
262 		therm->fan->bios.min_duty = value;
267 		if (value < therm->fan->bios.min_duty)
268 			value = therm->fan->bios.min_duty;
269 		therm->fan->bios.max_duty = value;
272 		return nvkm_therm_fan_mode(therm, value);
274 		therm->bios_sensor.thrs_fan_boost.temp = value;
275 		therm->func->program_alarms(therm);
278 		therm->bios_sensor.thrs_fan_boost.hysteresis = value;
279 		therm->func->program_alarms(therm);
282 		therm->bios_sensor.thrs_down_clock.temp = value;
283 		therm->func->program_alarms(therm);
286 		therm->bios_sensor.thrs_down_clock.hysteresis = value;
287 		therm->func->program_alarms(therm);
290 		therm->bios_sensor.thrs_critical.temp = value;
291 		therm->func->program_alarms(therm);
294 		therm->bios_sensor.thrs_critical.hysteresis = value;
295 		therm->func->program_alarms(therm);
298 		therm->bios_sensor.thrs_shutdown.temp = value;
299 		therm->func->program_alarms(therm);
302 		therm->bios_sensor.thrs_shutdown.hysteresis = value;
303 		therm->func->program_alarms(therm);
311 nvkm_therm_clkgate_enable(struct nvkm_therm *therm)
313 	if (!therm || !therm->func->clkgate_enable || !therm->clkgating_enabled)
316 	nvkm_debug(&therm->subdev,
318 	therm->func->clkgate_enable(therm);
322 nvkm_therm_clkgate_fini(struct nvkm_therm *therm, bool suspend)
324 	if (!therm || !therm->func->clkgate_fini || !therm->clkgating_enabled)
327 	nvkm_debug(&therm->subdev,
330 	therm->func->clkgate_fini(therm, suspend);
334 nvkm_therm_clkgate_oneinit(struct nvkm_therm *therm)
336 	if (!therm->func->clkgate_enable || !therm->clkgating_enabled)
339 	nvkm_info(&therm->subdev, "Clockgating enabled\n");
345 	struct nvkm_therm *therm = nvkm_therm(subdev);
346 	if (therm->func->intr)
347 		therm->func->intr(therm);
353 	struct nvkm_therm *therm = nvkm_therm(subdev);
355 	if (therm->func->fini)
356 		therm->func->fini(therm);
358 	nvkm_therm_fan_fini(therm, suspend);
359 	nvkm_therm_sensor_fini(therm, suspend);
362 		therm->suspend = therm->mode;
363 		therm->mode = NVKM_THERM_CTRL_NONE;
372 	struct nvkm_therm *therm = nvkm_therm(subdev);
373 	nvkm_therm_sensor_ctor(therm);
374 	nvkm_therm_ic_ctor(therm);
375 	nvkm_therm_fan_ctor(therm);
376 	nvkm_therm_fan_mode(therm, NVKM_THERM_CTRL_AUTO);
377 	nvkm_therm_sensor_preinit(therm);
378 	nvkm_therm_clkgate_oneinit(therm);
385 	struct nvkm_therm *therm = nvkm_therm(subdev);
387 	if (therm->func->init)
388 		therm->func->init(therm);
390 	if (therm->suspend >= 0) {
392 		if (therm->suspend > 0)
393 			nvkm_therm_fan_set(therm, true, therm->fan->percent);
395 		nvkm_therm_fan_mode(therm, therm->suspend);
398 	nvkm_therm_sensor_init(therm);
399 	nvkm_therm_fan_init(therm);
404 nvkm_therm_clkgate_init(struct nvkm_therm *therm,
407 	if (!therm || !therm->func->clkgate_init || !therm->clkgating_enabled)
410 	therm->func->clkgate_init(therm, p);
416 	struct nvkm_therm *therm = nvkm_therm(subdev);
417 	nvkm_therm_fan_dtor(therm);
418 	kfree(therm->fan);
419 	spin_lock_destroy(&therm->sensor.alarm_program_lock);
420 	spin_lock_destroy(&therm->lock);
421 	return therm;
434 nvkm_therm_ctor(struct nvkm_therm *therm, struct nvkm_device *device,
437 	nvkm_subdev_ctor(&nvkm_therm, device, index, &therm->subdev);
438 	therm->func = func;
440 	nvkm_alarm_init(&therm->alarm, nvkm_therm_alarm);
441 	spin_lock_init(&therm->lock);
442 	spin_lock_init(&therm->sensor.alarm_program_lock);
444 	therm->fan_get = nvkm_therm_fan_user_get;
445 	therm->fan_set = nvkm_therm_fan_user_set;
446 	therm->attr_get = nvkm_therm_attr_get;
447 	therm->attr_set = nvkm_therm_attr_set;
448 	therm->mode = therm->suspend = -1; /* undefined */
450 	therm->clkgating_enabled = nvkm_boolopt(device->cfgopt,
458 	struct nvkm_therm *therm;
460 	if (!(therm = *ptherm = kzalloc(sizeof(*therm), GFP_KERNEL)))
463 	nvkm_therm_ctor(therm, device, index, func);