75 	struct pmac_fan fan;  member
88 /* We can read the PWM and the RPM from a PWM controlled fan.
654  * Sensor and fan management
658 smu_fan_check_old_style(struct smu_fan *fan)  in smu_fan_check_old_style()  argument
660 	device_t smu = fan->dev;  in smu_fan_check_old_style()
669 	 * Apple has two fan control mechanisms. We can't distinguish  in smu_fan_check_old_style()
677 	cmd.data[1] = fan->reg;  in smu_fan_check_old_style()
689 smu_fan_set_rpm(struct smu_fan *fan, int rpm)  in smu_fan_set_rpm()  argument
691 	device_t smu = fan->dev;  in smu_fan_set_rpm()
699 	rpm = max(fan->fan.min_rpm, rpm);  in smu_fan_set_rpm()
700 	rpm = min(fan->fan.max_rpm, rpm);  in smu_fan_set_rpm()
702 	smu_fan_check_old_style(fan);  in smu_fan_set_rpm()
704 	if (!fan->old_style) {  in smu_fan_set_rpm()
707 		cmd.data[1] = fan->reg;  in smu_fan_set_rpm()
713 			fan->old_style = 1;  in smu_fan_set_rpm()
716 		cmd.data[0] = 0x00; /* RPM fan. */  in smu_fan_set_rpm()
717 		cmd.data[1] = 1 << fan->reg;  in smu_fan_set_rpm()
718 		cmd.data[2 + 2*fan->reg] = (rpm >> 8) & 0xff;  in smu_fan_set_rpm()
719 		cmd.data[3 + 2*fan->reg] = rpm & 0xff;  in smu_fan_set_rpm()
724 		fan->setpoint = rpm;  in smu_fan_set_rpm()
730 smu_fan_read_rpm(struct smu_fan *fan)  in smu_fan_read_rpm()  argument
732 	device_t smu = fan->dev;  in smu_fan_read_rpm()
736 	smu_fan_check_old_style(fan);  in smu_fan_read_rpm()
738 	if (!fan->old_style) {  in smu_fan_read_rpm()
742 		cmd.data[1] = fan->reg;  in smu_fan_read_rpm()
746 			fan->old_style = 1;  in smu_fan_read_rpm()
751 	if (fan->old_style) {  in smu_fan_read_rpm()
760 		rpm = (cmd.data[fan->reg*2+1] << 8) | cmd.data[fan->reg*2+2];  in smu_fan_read_rpm()
766 smu_fan_set_pwm(struct smu_fan *fan, int pwm)  in smu_fan_set_pwm()  argument
768 	device_t smu = fan->dev;  in smu_fan_set_pwm()
776 	pwm = max(fan->fan.min_rpm, pwm);  in smu_fan_set_pwm()
777 	pwm = min(fan->fan.max_rpm, pwm);  in smu_fan_set_pwm()
780 	 * Apple has two fan control mechanisms. We can't distinguish  in smu_fan_set_pwm()
785 	if (!fan->old_style) {  in smu_fan_set_pwm()
788 		cmd.data[1] = fan->reg;  in smu_fan_set_pwm()
794 			fan->old_style = 1;  in smu_fan_set_pwm()
797 	if (fan->old_style) {  in smu_fan_set_pwm()
799 		cmd.data[0] = 0x10; /* PWM fan. */  in smu_fan_set_pwm()
800 		cmd.data[1] = 1 << fan->reg;  in smu_fan_set_pwm()
801 		cmd.data[2 + 2*fan->reg] = (pwm >> 8) & 0xff;  in smu_fan_set_pwm()
802 		cmd.data[3 + 2*fan->reg] = pwm & 0xff;  in smu_fan_set_pwm()
807 		fan->setpoint = pwm;  in smu_fan_set_pwm()
813 smu_fan_read_pwm(struct smu_fan *fan, int *pwm, int *rpm)  in smu_fan_read_pwm()  argument
815 	device_t smu = fan->dev;  in smu_fan_read_pwm()
819 	if (!fan->old_style) {  in smu_fan_read_pwm()
823 		cmd.data[1] = fan->reg;  in smu_fan_read_pwm()
827 			fan->old_style = 1;  in smu_fan_read_pwm()
832 	if (fan->old_style) {  in smu_fan_read_pwm()
841 		*rpm = (cmd.data[fan->reg*2+1] << 8) | cmd.data[fan->reg*2+2];  in smu_fan_read_pwm()
843 	if (fan->old_style) {  in smu_fan_read_pwm()
847 		cmd.data[1] = 1 << fan->reg;  in smu_fan_read_pwm()
853 		*pwm = cmd.data[fan->reg*2+2];  in smu_fan_read_pwm()
863 	struct smu_fan *fan;  in smu_fanrpm_sysctl()  local
868 	fan = &sc->sc_fans[arg2 & 0xff];  in smu_fanrpm_sysctl()
870 	if (fan->type == SMU_FAN_RPM) {  in smu_fanrpm_sysctl()
871 		rpm = smu_fan_read_rpm(fan);  in smu_fanrpm_sysctl()
877 		error = smu_fan_read_pwm(fan, &pwm, &rpm);  in smu_fanrpm_sysctl()
893 	/* We can only read the RPM from a PWM controlled fan, so return. */  in smu_fanrpm_sysctl()
902 	if (fan->type == SMU_FAN_RPM)  in smu_fanrpm_sysctl()
903 		return (smu_fan_set_rpm(fan, rpm));  in smu_fanrpm_sysctl()
905 		return (smu_fan_set_pwm(fan, pwm));  in smu_fanrpm_sysctl()
911 	struct smu_fan *fan;  in smu_fill_fan_prop()  local
916 	fan = &sc->sc_fans[id];  in smu_fill_fan_prop()
920 	if (strcmp(type, "fan-rpm-control") == 0)  in smu_fill_fan_prop()
921 		fan->type = SMU_FAN_RPM;  in smu_fill_fan_prop()
923 		fan->type = SMU_FAN_PWM;  in smu_fill_fan_prop()
925 	fan->dev = dev;  in smu_fill_fan_prop()
926 	fan->old_style = 0;  in smu_fill_fan_prop()
927 	OF_getprop(child, "reg", &fan->reg,  in smu_fill_fan_prop()
929 	OF_getprop(child, "min-value", &fan->fan.min_rpm,  in smu_fill_fan_prop()
931 	OF_getprop(child, "max-value", &fan->fan.max_rpm,  in smu_fill_fan_prop()
933 	OF_getprop(child, "zone", &fan->fan.zone,  in smu_fill_fan_prop()
937 		       &fan->fan.default_rpm,  in smu_fill_fan_prop()
939 		fan->fan.default_rpm = fan->fan.max_rpm;  in smu_fill_fan_prop()
941 	OF_getprop(child, "location", fan->fan.name,  in smu_fill_fan_prop()
942 		   sizeof(fan->fan.name));  in smu_fill_fan_prop()
944 	if (fan->type == SMU_FAN_RPM)  in smu_fill_fan_prop()
945 		fan->setpoint = smu_fan_read_rpm(fan);  in smu_fill_fan_prop()
947 		smu_fan_read_pwm(fan, &fan->setpoint, &fan->rpm);  in smu_fill_fan_prop()
951  * after allocating the fan struct, fill the properties of the fans.
974 				/* When allocated, fill the fan properties. */  in smu_count_fans()
991 	struct smu_fan *fan;  in smu_attach_fans()  local
1014 		pmac_thermal_fan_register(&sc->sc_fans[i].fan);  in smu_attach_fans()
1019 	    CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "SMU Fan Information");  in smu_attach_fans()
1023 		fan = &sc->sc_fans[i];  in smu_attach_fans()
1024 		for (j = 0; j < strlen(fan->fan.name); j++) {  in smu_attach_fans()
1025 			sysctl_name[j] = tolower(fan->fan.name[j]);  in smu_attach_fans()
1030 		if (fan->type == SMU_FAN_RPM) {  in smu_attach_fans()
1034 			    "Fan Information");  in smu_attach_fans()
1037 				       &fan->fan.min_rpm, 0,  in smu_attach_fans()
1041 				       &fan->fan.max_rpm, 0,  in smu_attach_fans()
1046 					smu_fanrpm_sysctl, "I", "Fan RPM");  in smu_attach_fans()
1048 			fan->fan.read = (int (*)(struct pmac_fan *))smu_fan_read_rpm;  in smu_attach_fans()
1049 			fan->fan.set = (int (*)(struct pmac_fan *, int))smu_fan_set_rpm;  in smu_attach_fans()
1055 				"Fan Information");  in smu_attach_fans()
1058 				       &fan->fan.min_rpm, 0,  in smu_attach_fans()
1062 				       &fan->fan.max_rpm, 0,  in smu_attach_fans()
1068 					smu_fanrpm_sysctl, "I", "Fan PWM in %");  in smu_attach_fans()
1073 					smu_fanrpm_sysctl, "I", "Fan RPM");  in smu_attach_fans()
1074 			fan->fan.read = NULL;  in smu_attach_fans()
1075 			fan->fan.set = (int (*)(struct pmac_fan *, int))smu_fan_set_pwm;  in smu_attach_fans()
1078 			device_printf(dev, "Fan: %s type: %d\n",  in smu_attach_fans()
1079 				      fan->fan.name, fan->type);  in smu_attach_fans()