54  * /u3@0,f8000000/i2c@f8001000/fan@15e
69 	struct	pmac_fan fan;  member
89 /* We can read the PWM and the RPM from a PWM controlled fan.
106 static int  fcu_fan_set_rpm(struct fcu_fan *fan, int rpm);
107 static int  fcu_fan_get_rpm(struct fcu_fan *fan);
108 static int  fcu_fan_set_pwm(struct fcu_fan *fan, int pwm);
109 static int  fcu_fan_get_pwm(device_t dev, struct fcu_fan *fan, int *pwm,
201 	if (strcmp(name, "fan") != 0 || strcmp(compatible, "fcu") != 0)  in fcu_probe()
208 	device_set_desc(dev, "Apple Fan Control Unit");  in fcu_probe()
265 fcu_fan_set_rpm(struct fcu_fan *fan, int rpm)  in fcu_fan_set_rpm()  argument
271 	sc = device_get_softc(fan->dev);  in fcu_fan_set_rpm()
274 	rpm = max(fan->fan.min_rpm, rpm);  in fcu_fan_set_rpm()
275 	rpm = min(fan->fan.max_rpm, rpm);  in fcu_fan_set_rpm()
277 	if (fan->type == FCU_FAN_RPM) {  in fcu_fan_set_rpm()
278 		reg = FCU_RPM_SET(fan->id);  in fcu_fan_set_rpm()
279 		fan->setpoint = rpm;  in fcu_fan_set_rpm()
281 		device_printf(fan->dev, "Unknown fan type: %d\n", fan->type);  in fcu_fan_set_rpm()
295 fcu_fan_get_rpm(struct fcu_fan *fan)  in fcu_fan_get_rpm()  argument
303 	sc = device_get_softc(fan->dev);  in fcu_fan_get_rpm()
305 	if (fan->type == FCU_FAN_RPM) {  in fcu_fan_get_rpm()
306 		/* Check if the fan is available. */  in fcu_fan_get_rpm()
310 		if ((avail & (1 << fan->id)) == 0) {  in fcu_fan_get_rpm()
311 			device_printf(fan->dev,  in fcu_fan_get_rpm()
312 			    "RPM Fan not available ID: %d\n", fan->id);  in fcu_fan_get_rpm()
315 		/* Check if we have a failed fan. */  in fcu_fan_get_rpm()
319 		if ((fail & (1 << fan->id)) != 0) {  in fcu_fan_get_rpm()
320 			device_printf(fan->dev,  in fcu_fan_get_rpm()
321 			    "RPM Fan failed ID: %d\n", fan->id);  in fcu_fan_get_rpm()
324 		/* Check if fan is active. */  in fcu_fan_get_rpm()
328 		if ((active & (1 << fan->id)) == 0) {  in fcu_fan_get_rpm()
329 			device_printf(fan->dev, "RPM Fan not active ID: %d\n",  in fcu_fan_get_rpm()
330 				      fan->id);  in fcu_fan_get_rpm()
333 		reg = FCU_RPM_READ(fan->id);  in fcu_fan_get_rpm()
336 		device_printf(fan->dev, "Unknown fan type: %d\n", fan->type);  in fcu_fan_get_rpm()
350 fcu_fan_set_pwm(struct fcu_fan *fan, int pwm)  in fcu_fan_set_pwm()  argument
356 	sc = device_get_softc(fan->dev);  in fcu_fan_set_pwm()
359 	pwm = max(fan->fan.min_rpm, pwm);  in fcu_fan_set_pwm()
360 	pwm = min(fan->fan.max_rpm, pwm);  in fcu_fan_set_pwm()
362 	if (fan->type == FCU_FAN_PWM) {  in fcu_fan_set_pwm()
363 		reg = FCU_PWM_SGET(fan->id);  in fcu_fan_set_pwm()
368 		fan->setpoint = pwm;  in fcu_fan_set_pwm()
370 		device_printf(fan->dev, "Unknown fan type: %d\n", fan->type);  in fcu_fan_set_pwm()
382 fcu_fan_get_pwm(device_t dev, struct fcu_fan *fan, int *pwm, int *rpm)  in fcu_fan_get_pwm()  argument
391 	if (fan->type == FCU_FAN_PWM) {  in fcu_fan_get_pwm()
392 		/* Check if the fan is available. */  in fcu_fan_get_pwm()
396 		if ((avail & (1 << fan->id)) == 0) {  in fcu_fan_get_pwm()
397 			device_printf(dev, "PWM Fan not available ID: %d\n",  in fcu_fan_get_pwm()
398 				      fan->id);  in fcu_fan_get_pwm()
401 		/* Check if we have a failed fan. */  in fcu_fan_get_pwm()
405 		if ((fail & (1 << fan->id)) != 0) {  in fcu_fan_get_pwm()
406 			device_printf(dev, "PWM Fan failed ID: %d\n", fan->id);  in fcu_fan_get_pwm()
409 		/* Check if fan is active. */  in fcu_fan_get_pwm()
413 		if ((active & (1 << fan->id)) == 0) {  in fcu_fan_get_pwm()
414 			device_printf(dev, "PWM Fan not active ID: %d\n",  in fcu_fan_get_pwm()
415 				      fan->id);  in fcu_fan_get_pwm()
418 		reg = FCU_PWM_SGET(fan->id);  in fcu_fan_get_pwm()
420 		device_printf(dev, "Unknown fan type: %d\n", fan->type);  in fcu_fan_get_pwm()
431 	reg = FCU_PWM_RPM(fan->id);  in fcu_fan_get_pwm()
458 	/* Fill the fan location property. */  in fcu_fill_fan_prop()
463 			strcpy(sc->sc_fans[i].fan.name, location + len);  in fcu_fill_fan_prop()
472 	/* Fill the fan type property. */  in fcu_fill_fan_prop()
478 		if (strcmp(type + len, "fan-rpm") == 0)  in fcu_fill_fan_prop()
487 	/* Fill the fan ID property. */  in fcu_fill_fan_prop()
492 	/* Fill the fan zone property. */  in fcu_fill_fan_prop()
495 		sc->sc_fans[j].fan.zone = id[j];  in fcu_fill_fan_prop()
497 	/* Finish setting up fan properties */  in fcu_fill_fan_prop()
501 			sc->sc_fans[j].fan.min_rpm = 4800 >> fcu_rpm_shift;  in fcu_fill_fan_prop()
502 			sc->sc_fans[j].fan.max_rpm = 56000 >> fcu_rpm_shift;  in fcu_fill_fan_prop()
505 			sc->sc_fans[j].fan.read =   in fcu_fill_fan_prop()
507 			sc->sc_fans[j].fan.set =  in fcu_fill_fan_prop()
510 			sc->sc_fans[j].fan.min_rpm = 30;	/* Percent */  in fcu_fill_fan_prop()
511 			sc->sc_fans[j].fan.max_rpm = 100;  in fcu_fill_fan_prop()
512 			sc->sc_fans[j].fan.read = NULL;  in fcu_fill_fan_prop()
513 			sc->sc_fans[j].fan.set =  in fcu_fill_fan_prop()
516 		sc->sc_fans[j].fan.default_rpm = sc->sc_fans[j].fan.max_rpm;  in fcu_fill_fan_prop()
527 	struct fcu_fan *fan;  in fcu_fanrpm_sysctl()  local
532 	fan = &sc->sc_fans[arg2 & 0x00ff];  in fcu_fanrpm_sysctl()
533 	if (fan->type == FCU_FAN_RPM) {  in fcu_fanrpm_sysctl()
534 		rpm = fcu_fan_get_rpm(fan);  in fcu_fanrpm_sysctl()
539 		error = fcu_fan_get_pwm(fcu, fan, &pwm, &rpm);  in fcu_fanrpm_sysctl()
556 	/* We can only read the RPM from a PWM controlled fan, so return. */  in fcu_fanrpm_sysctl()
563 	if (fan->type == FCU_FAN_RPM)  in fcu_fanrpm_sysctl()
564 		return (fcu_fan_set_rpm(fan, rpm));  in fcu_fanrpm_sysctl()
566 		return (fcu_fan_set_pwm(fan, pwm));  in fcu_fanrpm_sysctl()
598 	    CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "FCU Fan Information");  in fcu_attach_fans()
605 		pmac_thermal_fan_register(&sc->sc_fans[i].fan);  in fcu_attach_fans()
609 		for (j = 0; j < strlen(sc->sc_fans[i].fan.name); j++) {  in fcu_attach_fans()
610 			sysctl_name[j] = tolower(sc->sc_fans[i].fan.name[j]);  in fcu_attach_fans()
619 			    0, "Fan Information");  in fcu_attach_fans()
622 				       &(sc->sc_fans[i].fan.min_rpm), 0,  in fcu_attach_fans()
626 				       &(sc->sc_fans[i].fan.max_rpm), 0,  in fcu_attach_fans()
628 			/* I use i to pass the fan id. */  in fcu_attach_fans()
631 			    dev, i, fcu_fanrpm_sysctl, "I", "Fan RPM");  in fcu_attach_fans()
639 			    0, "Fan Information");  in fcu_attach_fans()
642 				       &(sc->sc_fans[i].fan.min_rpm), 0,  in fcu_attach_fans()
646 				       &(sc->sc_fans[i].fan.max_rpm), 0,  in fcu_attach_fans()
648 			/* I use i to pass the fan id or'ed with the type  in fcu_attach_fans()
654 			    "Fan PWM in %");  in fcu_attach_fans()
658 			    "Fan RPM");  in fcu_attach_fans()
662 	/* Dump fan location, type & RPM. */  in fcu_attach_fans()
667 				      "RPM: %d\n", sc->sc_fans[i].fan.name,  in fcu_attach_fans()