1 // SPDX-License-Identifier: GPL-2.0-only
46 	u32			reg;		/* index in SMU */  member
77 			return -EINVAL;  in smu_set_fan()
119 	if (value < fct->min)  in smu_fan_set()
120 		value = fct->min;  in smu_fan_set()
121 	if (value > fct->max)  in smu_fan_set()
122 		value = fct->max;  in smu_fan_set()
123 	fct->value = value;  in smu_fan_set()
125 	return smu_set_fan(fct->fan_type, fct->reg, value);  in smu_fan_set()
131 	*value = fct->value; /* todo: read from SMU */  in smu_fan_get()
138 	return fct->min;  in smu_fan_min()
144 	return fct->max;  in smu_fan_max()
161 	const u32 *reg;  in smu_fan_create()  local
167 	fct->ctrl.ops = &smu_fan_ops;  in smu_fan_create()
172 	fct->fan_type = pwm_fan;  in smu_fan_create()
173 	fct->ctrl.type = pwm_fan ? WF_CONTROL_PWM_FAN : WF_CONTROL_RPM_FAN;  in smu_fan_create()
184 	fct->ctrl.name = NULL;  in smu_fan_create()
186 	/* Names used on desktop models */  in smu_fan_create()
190 		fct->ctrl.name = "cpu-rear-fan-0";  in smu_fan_create()
193 		fct->ctrl.name = "cpu-rear-fan-1";  in smu_fan_create()
197 		fct->ctrl.name = "cpu-front-fan-0";  in smu_fan_create()
200 		fct->ctrl.name = "cpu-front-fan-1";  in smu_fan_create()
202 		fct->ctrl.name = "cpu-pump-0";  in smu_fan_create()
204 		fct->ctrl.name = "cpu-pump-1";  in smu_fan_create()
207 		fct->ctrl.name = "slots-fan";  in smu_fan_create()
210 		fct->ctrl.name = "drive-bay-fan";  in smu_fan_create()
212 		fct->ctrl.name = "backside-fan";  in smu_fan_create()
214 	/* Names used on iMac models */  in smu_fan_create()
216 		fct->ctrl.name = "system-fan";  in smu_fan_create()
218 		fct->ctrl.name = "cpu-fan";  in smu_fan_create()
220 		fct->ctrl.name = "drive-bay-fan";  in smu_fan_create()
222 		fct->ctrl.name = "hard-drive-fan";  in smu_fan_create()
224 		fct->ctrl.name = "optical-drive-fan";  in smu_fan_create()
227 	if (fct->ctrl.name == NULL)  in smu_fan_create()
231 	v = of_get_property(node, "min-value", NULL);  in smu_fan_create()
234 	fct->min = *v;  in smu_fan_create()
235 	v = of_get_property(node, "max-value", NULL);  in smu_fan_create()
238 	fct->max = *v;  in smu_fan_create()
240 	/* Get "reg" value */  in smu_fan_create()
241 	reg = of_get_property(node, "reg", NULL);  in smu_fan_create()
242 	if (reg == NULL)  in smu_fan_create()
244 	fct->reg = *reg;  in smu_fan_create()
246 	if (wf_register_control(&fct->ctrl))  in smu_fan_create()
261 		return -ENODEV;  in smu_controls_init()
265 		return -ENODEV;  in smu_controls_init()
269 		if (of_node_name_eq(fans, "rpm-fans") ||  in smu_controls_init()
270 		    of_device_is_compatible(fans, "smu-rpm-fans"))  in smu_controls_init()
282 		list_add(&fct->link, &smu_fans);  in smu_controls_init()
289 		if (of_node_name_eq(fans, "pwm-fans"))  in smu_controls_init()
301 		list_add(&fct->link, &smu_fans);  in smu_controls_init()
315 		list_del(&fct->link);  in smu_controls_exit()
316 		wf_unregister_control(&fct->ctrl);  in smu_controls_exit()