subdev/therm/nouveau_nvkm_subdev_therm_fan.c

39 	struct nvkm_therm *therm = fan->parent;
40 	struct nvkm_subdev *subdev = &therm->subdev;
60 	duty = fan->get(therm);
83 	ret = fan->set(therm, duty);
121 nvkm_therm_fan_get(struct nvkm_therm *therm)
123 	return therm->fan->get(therm);
127 nvkm_therm_fan_set(struct nvkm_therm *therm, bool immediate, int percent)
129 	return nvkm_fan_update(therm->fan, immediate, percent);
133 nvkm_therm_fan_sense(struct nvkm_therm *therm)
135 	struct nvkm_device *device = therm->subdev.device;
141 	if (therm->func->fan_sense)
142 		return therm->func->fan_sense(therm);
144 	if (therm->fan->tach.func == DCB_GPIO_UNUSED)
152 	prev = nvkm_gpio_get(gpio, 0, therm->fan->tach.func,
153 				      therm->fan->tach.line);
158 		cur = nvkm_gpio_get(gpio, 0, therm->fan->tach.func,
159 					     therm->fan->tach.line);
178 nvkm_therm_fan_user_get(struct nvkm_therm *therm)
180 	return nvkm_therm_fan_get(therm);
184 nvkm_therm_fan_user_set(struct nvkm_therm *therm, int percent)
186 	if (therm->mode != NVKM_THERM_CTRL_MANUAL)
189 	return nvkm_therm_fan_set(therm, true, percent);
193 nvkm_therm_fan_set_defaults(struct nvkm_therm *therm)
195 	therm->fan->bios.pwm_freq = 0;
196 	therm->fan->bios.min_duty = 0;
197 	therm->fan->bios.max_duty = 100;
198 	therm->fan->bios.bump_period = 500;
199 	therm->fan->bios.slow_down_period = 2000;
200 	therm->fan->bios.linear_min_temp = 40;
201 	therm->fan->bios.linear_max_temp = 85;
205 nvkm_therm_fan_safety_checks(struct nvkm_therm *therm)
207 	if (therm->fan->bios.min_duty > 100)
208 		therm->fan->bios.min_duty = 100;
209 	if (therm->fan->bios.max_duty > 100)
210 		therm->fan->bios.max_duty = 100;
212 	if (therm->fan->bios.min_duty > therm->fan->bios.max_duty)
213 		therm->fan->bios.min_duty = therm->fan->bios.max_duty;
217 nvkm_therm_fan_init(struct nvkm_therm *therm)
223 nvkm_therm_fan_fini(struct nvkm_therm *therm, bool suspend)
225 	struct nvkm_timer *tmr = therm->subdev.device->timer;
227 		nvkm_timer_alarm(tmr, 0, &therm->fan->alarm);
232 nvkm_therm_fan_dtor(struct nvkm_therm *therm)
234 	if (therm->fan->dtor)
235 		therm->fan->dtor(therm->fan);
236 	spin_lock_destroy(&therm->fan->lock);
240 nvkm_therm_fan_ctor(struct nvkm_therm *therm)
242 	struct nvkm_subdev *subdev = &therm->subdev;
257 			ret = nvkm_fanpwm_create(therm, &func);
259 				ret = nvkm_fantog_create(therm, &func);
265 		ret = nvkm_fannil_create(therm);
270 	nvkm_debug(subdev, "FAN control: %s\n", therm->fan->type);
273 	therm->fan->percent = nvkm_therm_fan_get(therm);
277 			     &therm->fan->tach);
279 		therm->fan->tach.func = DCB_GPIO_UNUSED;
282 	therm->fan->parent = therm;
283 	nvkm_alarm_init(&therm->fan->alarm, nvkm_fan_alarm);
284 	spin_lock_init(&therm->fan->lock);
287 	nvkm_therm_fan_set_defaults(therm);
288 	nvbios_perf_fan_parse(bios, &therm->fan->perf);
289 	if (!nvbios_fan_parse(bios, &therm->fan->bios)) {
291 		if (nvbios_therm_fan_parse(bios, &therm->fan->bios))
294 	nvkm_therm_fan_safety_checks(therm);