1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
96 static int ad7417_diode_read(struct ad7417_sensor *sens);
97 static int ad7417_adc_read(struct ad7417_sensor *sens);
98 static int ad7417_sensor_read(struct ad7417_sensor *sens);
121 static MALLOC_DEFINE(M_AD7417, "ad7417", "Supply-Monitor AD7417");
145 			return (-1);  in ad7417_write()
173 			return (-1);  in ad7417_read_1()
201 			return (-1);  in ad7417_read_2()
217 	    { addr, IIC_M_WR | IIC_M_NOSTOP, 1, &in->reg },  in ad7417_write_read()
231 		in->val = *((uint16_t*)buf);  in ad7417_write_read()
236 			return (-1);  in ad7417_write_read()
268 		return (-1);  in ad7417_init_adc()
270 	sc->init_done = 1;  in ad7417_init_adc()
287 	if (strcmp(name, "supply-monitor") != 0 ||  in ad7417_probe()
292 	sc->sc_dev = dev;  in ad7417_probe()
293 	sc->sc_addr = iicbus_get_addr(dev);  in ad7417_probe()
295 	device_set_desc(dev, "Supply-Monitor AD7417");  in ad7417_probe()
302  * and we have allocated memory for sc->sc_sensors, we fill in the properties.
319 	prop_len = OF_getprop(child, "hwsensor-location", location,  in ad7417_fill_sensor_prop()
322 		if (sc->sc_sensors != NULL)  in ad7417_fill_sensor_prop()
323 			strcpy(sc->sc_sensors[i].therm.name, location + len);  in ad7417_fill_sensor_prop()
328 	if (sc->sc_sensors == NULL)  in ad7417_fill_sensor_prop()
335 	prop_len = OF_getprop(child, "hwsensor-type", type, sizeof(type));  in ad7417_fill_sensor_prop()
338 			sc->sc_sensors[i].type = ADC7417_TEMP_SENSOR;  in ad7417_fill_sensor_prop()
340 			sc->sc_sensors[i].type = ADC7417_ADC_SENSOR;  in ad7417_fill_sensor_prop()
347 	prop_len = OF_getprop(child, "hwsensor-id", id, sizeof(id));  in ad7417_fill_sensor_prop()
349 		sc->sc_sensors[j].id = id[j];  in ad7417_fill_sensor_prop()
352 	prop_len = OF_getprop(child, "hwsensor-zone", id, sizeof(id));  in ad7417_fill_sensor_prop()
354 		sc->sc_sensors[j].therm.zone = id[j];  in ad7417_fill_sensor_prop()
357 	   child nodes of the hwsensor-location node. Check for and  in ad7417_fill_sensor_prop()
365 	    strcpy(sc->sc_sensors[i].therm.name, location);  in ad7417_fill_sensor_prop()
371 		sc->sc_sensors[j].dev = dev;  in ad7417_fill_sensor_prop()
374 		if ((strstr(sc->sc_sensors[j].therm.name, "DIODE TEMP")  in ad7417_fill_sensor_prop()
376 		    || (strstr(sc->sc_sensors[j].therm.name, "AD1") != NULL)) {  in ad7417_fill_sensor_prop()
377 			sc->sc_sensors[j].type = ADC7417_TEMP_SENSOR;  in ad7417_fill_sensor_prop()
378 			sc->sc_sensors[j].therm.read =  in ad7417_fill_sensor_prop()
381 			sc->sc_sensors[j].therm.read =  in ad7417_fill_sensor_prop()
385 		if (sc->sc_sensors[j].type != ADC7417_TEMP_SENSOR)  in ad7417_fill_sensor_prop()
389 		sc->sc_sensors[j].therm.target_temp = 500 + ZERO_C_TO_K;  in ad7417_fill_sensor_prop()
390 		sc->sc_sensors[j].therm.max_temp = 900 + ZERO_C_TO_K;  in ad7417_fill_sensor_prop()
392 		pmac_thermal_sensor_register(&sc->sc_sensors[j].therm);  in ad7417_fill_sensor_prop()
410 	sc->sc_nsensors = 0;  in ad7417_attach()
413 	sc->sc_nsensors = ad7417_fill_sensor_prop(dev);  in ad7417_attach()
415 	device_printf(dev, "%d sensors detected.\n", sc->sc_nsensors);  in ad7417_attach()
417 	if (sc->sc_nsensors == 0)  in ad7417_attach()
420 	sc->sc_sensors = malloc (sc->sc_nsensors * sizeof(struct ad7417_sensor),  in ad7417_attach()
429 	sc->sc_nsensors = ad7417_fill_sensor_prop(dev);  in ad7417_attach()
432 	for (i = 0; i < sc->sc_nsensors; i++) {  in ad7417_attach()
433 		for (j = 0; j < strlen(sc->sc_sensors[i].therm.name); j++) {  in ad7417_attach()
435 			    tolower(sc->sc_sensors[i].therm.name[j]);  in ad7417_attach()
445 		if (sc->sc_sensors[i].type == ADC7417_TEMP_SENSOR) {  in ad7417_attach()
454 				sc->sc_sensors[i].type == ADC7417_TEMP_SENSOR ?  in ad7417_attach()
456 				sc->sc_sensors[i].type == ADC7417_TEMP_SENSOR ?  in ad7417_attach()
462 		for (i = 0; i < sc->sc_nsensors; i++) {  in ad7417_attach()
464 				      sc->sc_sensors[i].therm.name,  in ad7417_attach()
465 				      sc->sc_sensors[i].id,  in ad7417_attach()
466 				      sc->sc_sensors[i].type);  in ad7417_attach()
483 		return (-1);  in ad7417_get_temp()
514 		return (-1);  in ad7417_get_adc()
522 ad7417_diode_read(struct ad7417_sensor *sens)  in ad7417_diode_read()  argument
538 	rawval = ad7417_adc_read(sens);  in ad7417_diode_read()
540 		return (-1);  in ad7417_diode_read()
542 	if (strstr(sens->therm.name, "CPU B") != NULL) {  in ad7417_diode_read()
557 ad7417_adc_read(struct ad7417_sensor *sens)  in ad7417_adc_read()  argument
563 	sc = device_get_softc(sens->dev);  in ad7417_adc_read()
565 	switch (sens->id) {  in ad7417_adc_read()
586 	if (ad7417_get_adc(sc->sc_dev, sc->sc_addr, &temp, chan) < 0)  in ad7417_adc_read()
587 		return (-1);  in ad7417_adc_read()
594 ad7417_sensor_read(struct ad7417_sensor *sens)  in ad7417_sensor_read()  argument
599 	sc = device_get_softc(sens->dev);  in ad7417_sensor_read()
602 	if (!sc->init_done)  in ad7417_sensor_read()
603 		if (ad7417_init_adc(sc->sc_dev, sc->sc_addr) < 0)  in ad7417_sensor_read()
604 			return (-1);  in ad7417_sensor_read()
606 	if (sens->type == ADC7417_TEMP_SENSOR) {  in ad7417_sensor_read()
607 		if (ad7417_get_temp(sc->sc_dev, sc->sc_addr, &temp) < 0)  in ad7417_sensor_read()
608 			return (-1);  in ad7417_sensor_read()
611 		temp = ad7417_adc_read(sens);  in ad7417_sensor_read()
621 	struct ad7417_sensor *sens;  in ad7417_sensor_sysctl()  local
627 	sens = &sc->sc_sensors[arg2];  in ad7417_sensor_sysctl()
629 	value = sens->therm.read(&sens->therm);  in ad7417_sensor_sysctl()