1 /*-
55 	struct pmac_fan fan;  member
69 static int	adm1030_set(struct adm1030_softc *fan, int pwm);
76 	{0, 0},
85 DRIVER_MODULE(adm1030, iicbus, adm1030_driver, 0, 0);
91 	int try = 0;  in adm1030_write_byte()
94 		{addr, IIC_M_WR, 0, buf}  in adm1030_write_byte()
97 	msg[0].len = 2;  in adm1030_write_byte()
98 	buf[0] = reg;  in adm1030_write_byte()
103 		if (iicbus_transfer(dev, msg, 1) == 0)  in adm1030_write_byte()
104 			return (0);  in adm1030_write_byte()
108 			return (-1);  in adm1030_write_byte()
129 	if (strcmp(name, "fan") != 0 || strcmp(compatible, "adm1030") != 0)  in adm1030_probe()
133 	if (OF_getprop(handle, "platform-getTemp", &thermostat, sizeof(thermostat)) < 0)  in adm1030_probe()
137 	sc->sc_dev = dev;  in adm1030_probe()
138 	sc->sc_addr = iicbus_get_addr(dev);  in adm1030_probe()
140 	device_set_desc(dev, "G4 MDD Fan driver");  in adm1030_probe()
142 	return (0);  in adm1030_probe()
154 	sc->enum_hook.ich_func = adm1030_start;  in adm1030_attach()
155 	sc->enum_hook.ich_arg = dev;  in adm1030_attach()
162 	if (config_intrhook_establish(&sc->enum_hook) != 0)  in adm1030_attach()
169 			0, adm1030_sysctl, "I", "Fan PWM Rate");  in adm1030_attach()
171 	return (0);  in adm1030_attach()
184 	adm1030_write_byte(sc->sc_dev, sc->sc_addr, 0x1, 0x1);  in adm1030_start()
185 	adm1030_write_byte(sc->sc_dev, sc->sc_addr, 0x0, 0x95);  in adm1030_start()
186 	adm1030_write_byte(sc->sc_dev, sc->sc_addr, 0x23, 0x91);  in adm1030_start()
189 	sc->fan.min_rpm = 0;  in adm1030_start()
190 	sc->fan.max_rpm = 0x0F;  in adm1030_start()
191 	sc->fan.default_rpm = 2;  in adm1030_start()
193 	strcpy(sc->fan.name, "MDD Case fan");  in adm1030_start()
194 	sc->fan.zone = 0;  in adm1030_start()
195 	sc->fan.read = NULL;  in adm1030_start()
196 	sc->fan.set = (int (*)(struct pmac_fan *, int))adm1030_set;  in adm1030_start()
197 	config_intrhook_disestablish(&sc->enum_hook);  in adm1030_start()
199 	pmac_thermal_fan_register(&sc->fan);  in adm1030_start()
202 static int adm1030_set(struct adm1030_softc *fan, int pwm)  in adm1030_set()  argument
204 	/* Clamp the PWM to 0-0xF, one nibble. */  in adm1030_set()
205 	if (pwm > 0xF)  in adm1030_set()
206 		pwm = 0xF;  in adm1030_set()
207 	if (pwm < 0)  in adm1030_set()
208 		pwm = 0;  in adm1030_set()
210 	if (adm1030_write_byte(fan->sc_dev, fan->sc_addr, 0x22, pwm) < 0)  in adm1030_set()
211 		return (-1);  in adm1030_set()
213 	fan->sc_pwm = pwm;  in adm1030_set()
214 	return (0);  in adm1030_set()
227 	pwm = sc->sc_pwm;  in adm1030_sysctl()
229 	error = sysctl_handle_int(oidp, &pwm, 0, req);  in adm1030_sysctl()
231 	if (error || !req->newptr)  in adm1030_sysctl()