1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
52 /* Inlet, Backside, U3 Heatsink sensor: MAX6690. */
65 	int     id;  member
100 static MALLOC_DEFINE(M_MAX6690, "max6690", "Temp-Monitor MAX6690");
136 			return (-1);  in max6690_read()
154 	if (strcmp(name, "temp-monitor") != 0 ||  in max6690_probe()
159 	sc->sc_dev = dev;  in max6690_probe()
160 	sc->sc_addr = iicbus_get_addr(dev);  in max6690_probe()
162 	device_set_desc(dev, "Temp-Monitor MAX6690");  in max6690_probe()
169  * and we have allocated memory for sc->sc_sensors, we fill in the properties.
176 	u_int id[8];  in max6690_fill_sensor_prop()  local
184 	/* Fill the sensor location property. */  in max6690_fill_sensor_prop()
185 	prop_len = OF_getprop(child, "hwsensor-location", location,  in max6690_fill_sensor_prop()
188 		if (sc->sc_sensors != NULL)  in max6690_fill_sensor_prop()
189 			strcpy(sc->sc_sensors[i].therm.name, location + len);  in max6690_fill_sensor_prop()
194 	if (sc->sc_sensors == NULL)  in max6690_fill_sensor_prop()
197 	/* Fill the sensor id property. */  in max6690_fill_sensor_prop()
198 	prop_len = OF_getprop(child, "hwsensor-id", id, sizeof(id));  in max6690_fill_sensor_prop()
200 		sc->sc_sensors[j].id = (id[j] & 0xf);  in max6690_fill_sensor_prop()
202 	/* Fill the sensor zone property. */  in max6690_fill_sensor_prop()
203 	prop_len = OF_getprop(child, "hwsensor-zone", id, sizeof(id));  in max6690_fill_sensor_prop()
205 		sc->sc_sensors[j].therm.zone = id[j];  in max6690_fill_sensor_prop()
207 	/* Set up remaining sensor properties */  in max6690_fill_sensor_prop()
209 		sc->sc_sensors[j].dev = dev;  in max6690_fill_sensor_prop()
217 		if (strcmp(sc->sc_sensors[j].therm.name, "KODIAK DIODE") == 0)  in max6690_fill_sensor_prop()
218 			sc->sc_sensors[j].therm.target_temp = 640 + ZERO_C_TO_K;  in max6690_fill_sensor_prop()
220 			sc->sc_sensors[j].therm.target_temp = 400 + ZERO_C_TO_K;  in max6690_fill_sensor_prop()
221 		sc->sc_sensors[j].therm.max_temp = 850 + ZERO_C_TO_K;  in max6690_fill_sensor_prop()
223 		sc->sc_sensors[j].therm.read =  in max6690_fill_sensor_prop()
236 	sc->enum_hook.ich_func = max6690_start;  in max6690_attach()
237 	sc->enum_hook.ich_arg = dev;  in max6690_attach()
242 	 * the master. The openpic on mac-io is controlling the htpic.  in max6690_attach()
243 	 * This one gets attached after the mac-io probing and then the  in max6690_attach()
247 	if (config_intrhook_establish(&sc->enum_hook) != 0)  in max6690_attach()
266 	sc->sc_nsensors = 0;  in max6690_start()
269 	sc->sc_nsensors = max6690_fill_sensor_prop(dev);  in max6690_start()
271 	device_printf(dev, "%d sensors detected.\n", sc->sc_nsensors);  in max6690_start()
273 	if (sc->sc_nsensors == 0)  in max6690_start()
276 	sc->sc_sensors = malloc (sc->sc_nsensors * sizeof(struct max6690_sensor),  in max6690_start()
281 	    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "sensor",  in max6690_start()
282 	    CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "MAX6690 Sensor Information");  in max6690_start()
285 	sc->sc_nsensors = max6690_fill_sensor_prop(dev);  in max6690_start()
288 	for (i = 0; i < sc->sc_nsensors; i++)  in max6690_start()
289 		pmac_thermal_sensor_register(&sc->sc_sensors[i].therm);  in max6690_start()
292 	for (i = 0; i < sc->sc_nsensors; i++) {  in max6690_start()
293 		for (j = 0; j < strlen(sc->sc_sensors[i].therm.name); j++) {  in max6690_start()
295 			    tolower(sc->sc_sensors[i].therm.name[j]);  in max6690_start()
301 		sprintf(sysctl_desc,"%s %s", sc->sc_sensors[i].therm.name,  in max6690_start()
305 		    "Sensor Information");  in max6690_start()
306 		/* I use i to pass the sensor id. */  in max6690_start()
313 	/* Dump sensor location & ID. */  in max6690_start()
316 		for (i = 0; i < sc->sc_nsensors; i++) {  in max6690_start()
317 			device_printf(dev, "Location : %s ID: %d\n",  in max6690_start()
318 				      sc->sc_sensors[i].therm.name,  in max6690_start()
319 				      sc->sc_sensors[i].id);  in max6690_start()
323 	config_intrhook_disestablish(&sc->enum_hook);  in max6690_start()
336 	sc = device_get_softc(sens->dev);  in max6690_sensor_read()
338 	/* The internal sensor id's are even, the external are odd. */  in max6690_sensor_read()
339 	if ((sens->id % 2) == 0) {  in max6690_sensor_read()
347 	err = max6690_read(sc->sc_dev, sc->sc_addr, reg_int, &integer);  in max6690_sensor_read()
350 		return (-1);  in max6690_sensor_read()
352 	err = max6690_read(sc->sc_dev, sc->sc_addr, reg_ext, &fraction);  in max6690_sensor_read()
355 		return (-1);  in max6690_sensor_read()
378 	sens = &sc->sc_sensors[arg2];  in max6690_sensor_sysctl()