subdev/therm/fan.c

34 	struct nvkm_therm *therm = fan->parent;
35 	struct nvkm_subdev *subdev = &therm->subdev;
53 	duty = fan->get(therm);
74 	ret = fan->set(therm, duty);
112 nvkm_therm_fan_get(struct nvkm_therm *therm)
114 	return therm->fan->get(therm);
118 nvkm_therm_fan_set(struct nvkm_therm *therm, bool immediate, int percent)
120 	return nvkm_fan_update(therm->fan, immediate, percent);
124 nvkm_therm_fan_sense(struct nvkm_therm *therm)
126 	struct nvkm_device *device = therm->subdev.device;
132 	if (therm->func->fan_sense)
133 		return therm->func->fan_sense(therm);
135 	if (therm->fan->tach.func == DCB_GPIO_UNUSED)
143 	prev = nvkm_gpio_get(gpio, 0, therm->fan->tach.func,
144 				      therm->fan->tach.line);
149 		cur = nvkm_gpio_get(gpio, 0, therm->fan->tach.func,
150 					     therm->fan->tach.line);
169 nvkm_therm_fan_user_get(struct nvkm_therm *therm)
171 	return nvkm_therm_fan_get(therm);
175 nvkm_therm_fan_user_set(struct nvkm_therm *therm, int percent)
177 	if (therm->mode != NVKM_THERM_CTRL_MANUAL)
180 	return nvkm_therm_fan_set(therm, true, percent);
184 nvkm_therm_fan_set_defaults(struct nvkm_therm *therm)
186 	therm->fan->bios.pwm_freq = 0;
187 	therm->fan->bios.min_duty = 0;
188 	therm->fan->bios.max_duty = 100;
189 	therm->fan->bios.bump_period = 500;
190 	therm->fan->bios.slow_down_period = 2000;
191 	therm->fan->bios.linear_min_temp = 40;
192 	therm->fan->bios.linear_max_temp = 85;
196 nvkm_therm_fan_safety_checks(struct nvkm_therm *therm)
198 	if (therm->fan->bios.min_duty > 100)
199 		therm->fan->bios.min_duty = 100;
200 	if (therm->fan->bios.max_duty > 100)
201 		therm->fan->bios.max_duty = 100;
203 	if (therm->fan->bios.min_duty > therm->fan->bios.max_duty)
204 		therm->fan->bios.min_duty = therm->fan->bios.max_duty;
208 nvkm_therm_fan_init(struct nvkm_therm *therm)
214 nvkm_therm_fan_fini(struct nvkm_therm *therm, bool suspend)
216 	struct nvkm_timer *tmr = therm->subdev.device->timer;
218 		nvkm_timer_alarm(tmr, 0, &therm->fan->alarm);
223 nvkm_therm_fan_ctor(struct nvkm_therm *therm)
225 	struct nvkm_subdev *subdev = &therm->subdev;
240 			ret = nvkm_fanpwm_create(therm, &func);
242 				ret = nvkm_fantog_create(therm, &func);
248 		ret = nvkm_fannil_create(therm);
253 	nvkm_debug(subdev, "FAN control: %s\n", therm->fan->type);
256 	therm->fan->percent = nvkm_therm_fan_get(therm);
260 			     &therm->fan->tach);
262 		therm->fan->tach.func = DCB_GPIO_UNUSED;
265 	therm->fan->parent = therm;
266 	nvkm_alarm_init(&therm->fan->alarm, nvkm_fan_alarm);
267 	spin_lock_init(&therm->fan->lock);
270 	nvkm_therm_fan_set_defaults(therm);
271 	nvbios_perf_fan_parse(bios, &therm->fan->perf);
272 	if (!nvbios_fan_parse(bios, &therm->fan->bios)) {
274 		if (nvbios_therm_fan_parse(bios, &therm->fan->bios))
277 	nvkm_therm_fan_safety_checks(therm);