181 static void vt8231_init_device(struct vt8231_data *data);
183 static inline int vt8231_read_value(struct vt8231_data *data, u8 reg)  in vt8231_read_value()  argument
185 	return inb_p(data->addr + reg);  in vt8231_read_value()
188 static inline void vt8231_write_value(struct vt8231_data *data, u8 reg,  in vt8231_write_value()  argument
191 	outb_p(value, data->addr + reg);  in vt8231_write_value()
200 	struct vt8231_data *data = vt8231_update_device(dev);  in show_in()  local
202 	return sprintf(buf, "%d\n", ((data->in[nr] - 3) * 10000) / 958);  in show_in()
210 	struct vt8231_data *data = vt8231_update_device(dev);  in show_in_min()  local
212 	return sprintf(buf, "%d\n", ((data->in_min[nr] - 3) * 10000) / 958);  in show_in_min()
220 	struct vt8231_data *data = vt8231_update_device(dev);  in show_in_max()  local
222 	return sprintf(buf, "%d\n", (((data->in_max[nr] - 3) * 10000) / 958));  in show_in_max()
230 	struct vt8231_data *data = dev_get_drvdata(dev);  in set_in_min()  local
238 	mutex_lock(&data->update_lock);  in set_in_min()
239 	data->in_min[nr] = clamp_val(((val * 958) / 10000) + 3, 0, 255);  in set_in_min()
240 	vt8231_write_value(data, regvoltmin[nr], data->in_min[nr]);  in set_in_min()
241 	mutex_unlock(&data->update_lock);  in set_in_min()
250 	struct vt8231_data *data = dev_get_drvdata(dev);  in set_in_max()  local
258 	mutex_lock(&data->update_lock);  in set_in_max()
259 	data->in_max[nr] = clamp_val(((val * 958) / 10000) + 3, 0, 255);  in set_in_max()
260 	vt8231_write_value(data, regvoltmax[nr], data->in_max[nr]);  in set_in_max()
261 	mutex_unlock(&data->update_lock);  in set_in_max()
269 	struct vt8231_data *data = vt8231_update_device(dev);  in show_in5()  local
272 		(((data->in[5] - 3) * 10000 * 54) / (958 * 34)));  in show_in5()
278 	struct vt8231_data *data = vt8231_update_device(dev);  in show_in5_min()  local
281 		(((data->in_min[5] - 3) * 10000 * 54) / (958 * 34)));  in show_in5_min()
287 	struct vt8231_data *data = vt8231_update_device(dev);  in show_in5_max()  local
290 		(((data->in_max[5] - 3) * 10000 * 54) / (958 * 34)));  in show_in5_max()
296 	struct vt8231_data *data = dev_get_drvdata(dev);  in set_in5_min()  local
304 	mutex_lock(&data->update_lock);  in set_in5_min()
305 	data->in_min[5] = clamp_val(((val * 958 * 34) / (10000 * 54)) + 3,  in set_in5_min()
307 	vt8231_write_value(data, regvoltmin[5], data->in_min[5]);  in set_in5_min()
308 	mutex_unlock(&data->update_lock);  in set_in5_min()
315 	struct vt8231_data *data = dev_get_drvdata(dev);  in set_in5_max()  local
323 	mutex_lock(&data->update_lock);  in set_in5_max()
324 	data->in_max[5] = clamp_val(((val * 958 * 34) / (10000 * 54)) + 3,  in set_in5_max()
326 	vt8231_write_value(data, regvoltmax[5], data->in_max[5]);  in set_in5_max()
327 	mutex_unlock(&data->update_lock);  in set_in5_max()
353 	struct vt8231_data *data = vt8231_update_device(dev);  in show_temp0()  local
354 	return sprintf(buf, "%d\n", data->temp[0] * 250);  in show_temp0()
360 	struct vt8231_data *data = vt8231_update_device(dev);  in show_temp0_max()  local
361 	return sprintf(buf, "%d\n", data->temp_max[0] * 1000);  in show_temp0_max()
367 	struct vt8231_data *data = vt8231_update_device(dev);  in show_temp0_min()  local
368 	return sprintf(buf, "%d\n", data->temp_min[0] * 1000);  in show_temp0_min()
374 	struct vt8231_data *data = dev_get_drvdata(dev);  in set_temp0_max()  local
382 	mutex_lock(&data->update_lock);  in set_temp0_max()
383 	data->temp_max[0] = clamp_val((val + 500) / 1000, 0, 255);  in set_temp0_max()
384 	vt8231_write_value(data, regtempmax[0], data->temp_max[0]);  in set_temp0_max()
385 	mutex_unlock(&data->update_lock);  in set_temp0_max()
391 	struct vt8231_data *data = dev_get_drvdata(dev);  in set_temp0_min()  local
399 	mutex_lock(&data->update_lock);  in set_temp0_min()
400 	data->temp_min[0] = clamp_val((val + 500) / 1000, 0, 255);  in set_temp0_min()
401 	vt8231_write_value(data, regtempmin[0], data->temp_min[0]);  in set_temp0_min()
402 	mutex_unlock(&data->update_lock);  in set_temp0_min()
411 	struct vt8231_data *data = vt8231_update_device(dev);  in show_temp()  local
412 	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr]));  in show_temp()
420 	struct vt8231_data *data = vt8231_update_device(dev);  in show_temp_max()  local
421 	return sprintf(buf, "%d\n", TEMP_MAXMIN_FROM_REG(data->temp_max[nr]));  in show_temp_max()
429 	struct vt8231_data *data = vt8231_update_device(dev);  in show_temp_min()  local
430 	return sprintf(buf, "%d\n", TEMP_MAXMIN_FROM_REG(data->temp_min[nr]));  in show_temp_min()
438 	struct vt8231_data *data = dev_get_drvdata(dev);  in set_temp_max()  local
446 	mutex_lock(&data->update_lock);  in set_temp_max()
447 	data->temp_max[nr] = clamp_val(TEMP_MAXMIN_TO_REG(val), 0, 255);  in set_temp_max()
448 	vt8231_write_value(data, regtempmax[nr], data->temp_max[nr]);  in set_temp_max()
449 	mutex_unlock(&data->update_lock);  in set_temp_max()
457 	struct vt8231_data *data = dev_get_drvdata(dev);  in set_temp_min()  local
465 	mutex_lock(&data->update_lock);  in set_temp_min()
466 	data->temp_min[nr] = clamp_val(TEMP_MAXMIN_TO_REG(val), 0, 255);  in set_temp_min()
467 	vt8231_write_value(data, regtempmin[nr], data->temp_min[nr]);  in set_temp_min()
468 	mutex_unlock(&data->update_lock);  in set_temp_min()
501 	struct vt8231_data *data = vt8231_update_device(dev);  in show_fan()  local
502 	return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],  in show_fan()
503 				DIV_FROM_REG(data->fan_div[nr])));  in show_fan()
511 	struct vt8231_data *data = vt8231_update_device(dev);  in show_fan_min()  local
512 	return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr],  in show_fan_min()
513 			DIV_FROM_REG(data->fan_div[nr])));  in show_fan_min()
521 	struct vt8231_data *data = vt8231_update_device(dev);  in show_fan_div()  local
522 	return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]));  in show_fan_div()
530 	struct vt8231_data *data = dev_get_drvdata(dev);  in set_fan_min()  local
538 	mutex_lock(&data->update_lock);  in set_fan_min()
539 	data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));  in set_fan_min()
540 	vt8231_write_value(data, VT8231_REG_FAN_MIN(nr), data->fan_min[nr]);  in set_fan_min()
541 	mutex_unlock(&data->update_lock);  in set_fan_min()
548 	struct vt8231_data *data = dev_get_drvdata(dev);  in set_fan_div()  local
552 	int old = vt8231_read_value(data, VT8231_REG_FANDIV);  in set_fan_div()
553 	long min = FAN_FROM_REG(data->fan_min[nr],  in set_fan_div()
554 				 DIV_FROM_REG(data->fan_div[nr]));  in set_fan_div()
561 	mutex_lock(&data->update_lock);  in set_fan_div()
564 		data->fan_div[nr] = 0;  in set_fan_div()
567 		data->fan_div[nr] = 1;  in set_fan_div()
570 		data->fan_div[nr] = 2;  in set_fan_div()
573 		data->fan_div[nr] = 3;  in set_fan_div()
579 		mutex_unlock(&data->update_lock);  in set_fan_div()
584 	data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));  in set_fan_div()
585 	vt8231_write_value(data, VT8231_REG_FAN_MIN(nr), data->fan_min[nr]);  in set_fan_div()
587 	old = (old & 0x0f) | (data->fan_div[1] << 6) | (data->fan_div[0] << 4);  in set_fan_div()
588 	vt8231_write_value(data, VT8231_REG_FANDIV, old);  in set_fan_div()
589 	mutex_unlock(&data->update_lock);  in set_fan_div()
609 	struct vt8231_data *data = vt8231_update_device(dev);  in show_alarms()  local
610 	return sprintf(buf, "%d\n", data->alarms);  in show_alarms()
618 	struct vt8231_data *data = vt8231_update_device(dev);  in show_alarm()  local
619 	return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);  in show_alarm()
639 	struct vt8231_data *data = dev_get_drvdata(dev);  in show_name()  local
640 	return sprintf(buf, "%s\n", data->name);  in show_name()
787 	struct vt8231_data *data;  in vt8231_probe()  local
799 	data = devm_kzalloc(&pdev->dev, sizeof(struct vt8231_data), GFP_KERNEL);  in vt8231_probe()
800 	if (!data)  in vt8231_probe()
803 	platform_set_drvdata(pdev, data);  in vt8231_probe()
804 	data->addr = res->start;  in vt8231_probe()
805 	data->name = "vt8231";  in vt8231_probe()
807 	mutex_init(&data->update_lock);  in vt8231_probe()
808 	vt8231_init_device(data);  in vt8231_probe()
816 	data->uch_config = vt8231_read_value(data, VT8231_REG_UCH_CONFIG);  in vt8231_probe()
819 		if (ISTEMP(i, data->uch_config)) {  in vt8231_probe()
828 		if (ISVOLT(i, data->uch_config)) {  in vt8231_probe()
836 	data->hwmon_dev = hwmon_device_register(&pdev->dev);  in vt8231_probe()
837 	if (IS_ERR(data->hwmon_dev)) {  in vt8231_probe()
838 		err = PTR_ERR(data->hwmon_dev);  in vt8231_probe()
856 	struct vt8231_data *data = platform_get_drvdata(pdev);  in vt8231_remove()  local
859 	hwmon_device_unregister(data->hwmon_dev);  in vt8231_remove()
872 static void vt8231_init_device(struct vt8231_data *data)  in vt8231_init_device()  argument
874 	vt8231_write_value(data, VT8231_REG_TEMP1_CONFIG, 0);  in vt8231_init_device()
875 	vt8231_write_value(data, VT8231_REG_TEMP2_CONFIG, 0);  in vt8231_init_device()
880 	struct vt8231_data *data = dev_get_drvdata(dev);  in vt8231_update_device()  local
884 	mutex_lock(&data->update_lock);  in vt8231_update_device()
886 	if (time_after(jiffies, data->last_updated + HZ + HZ / 2)  in vt8231_update_device()
887 	    || !data->valid) {  in vt8231_update_device()
889 			if (ISVOLT(i, data->uch_config)) {  in vt8231_update_device()
890 				data->in[i] = vt8231_read_value(data,  in vt8231_update_device()
892 				data->in_min[i] = vt8231_read_value(data,  in vt8231_update_device()
894 				data->in_max[i] = vt8231_read_value(data,  in vt8231_update_device()
899 			data->fan[i] = vt8231_read_value(data,  in vt8231_update_device()
901 			data->fan_min[i] = vt8231_read_value(data,  in vt8231_update_device()
905 		low = vt8231_read_value(data, VT8231_REG_TEMP_LOW01);  in vt8231_update_device()
907 		    | (vt8231_read_value(data, VT8231_REG_TEMP_LOW25) << 4);  in vt8231_update_device()
909 			if (ISTEMP(i, data->uch_config)) {  in vt8231_update_device()
910 				data->temp[i] = (vt8231_read_value(data,  in vt8231_update_device()
913 				data->temp_max[i] = vt8231_read_value(data,  in vt8231_update_device()
915 				data->temp_min[i] = vt8231_read_value(data,  in vt8231_update_device()
920 		i = vt8231_read_value(data, VT8231_REG_FANDIV);  in vt8231_update_device()
921 		data->fan_div[0] = (i >> 4) & 0x03;  in vt8231_update_device()
922 		data->fan_div[1] = i >> 6;  in vt8231_update_device()
923 		data->alarms = vt8231_read_value(data, VT8231_REG_ALARM1) |  in vt8231_update_device()
924 			(vt8231_read_value(data, VT8231_REG_ALARM2) << 8);  in vt8231_update_device()
927 		if (!data->fan[0] && data->fan_min[0])  in vt8231_update_device()
928 			data->alarms |= 0x40;  in vt8231_update_device()
929 		else if (data->fan[0] && !data->fan_min[0])  in vt8231_update_device()
930 			data->alarms &= ~0x40;  in vt8231_update_device()
932 		if (!data->fan[1] && data->fan_min[1])  in vt8231_update_device()
933 			data->alarms |= 0x80;  in vt8231_update_device()
934 		else if (data->fan[1] && !data->fan_min[1])  in vt8231_update_device()
935 			data->alarms &= ~0x80;  in vt8231_update_device()
937 		data->last_updated = jiffies;  in vt8231_update_device()
938 		data->valid = 1;  in vt8231_update_device()
941 	mutex_unlock(&data->update_lock);  in vt8231_update_device()
943 	return data;  in vt8231_update_device()