1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * DA9150 Fuel-Gauge Driver
22 #include <linux/devm-helpers.h>
99 	da9150_read_qif(fg->da9150, read_addr, size, buf);  in da9150_fg_read_attr()
121 	da9150_write_qif(fg->da9150, write_addr, size, buf);  in da9150_fg_write_attr()
130 	mutex_lock(&fg->io_lock);  in da9150_fg_read_sync_start()
150 		dev_err(fg->dev, "Failed to perform QIF read sync!\n");  in da9150_fg_read_sync_start()
159 	mutex_unlock(&fg->io_lock);  in da9150_fg_read_sync_end()
181 	mutex_lock(&fg->io_lock);  in da9150_fg_write_attr_sync()
196 		dev_err(fg->dev, "Timeout waiting for existing QIF sync!\n");  in da9150_fg_write_attr_sync()
197 		mutex_unlock(&fg->io_lock);  in da9150_fg_write_attr_sync()
214 	mutex_unlock(&fg->io_lock);  in da9150_fg_write_attr_sync()
218 		dev_err(fg->dev, "Error performing QIF sync write for code %d\n",  in da9150_fg_write_attr_sync()
226 	val->intval = da9150_fg_read_attr_sync(fg, DA9150_QIF_SOC_PCT,  in da9150_fg_capacity()
229 	if (val->intval > 100)  in da9150_fg_capacity()
230 		val->intval = 100;  in da9150_fg_capacity()
255 	val->intval = (int) res;  in da9150_fg_current_avg()
265 	val->intval = da9150_fg_read_attr_sync(fg, DA9150_QIF_UAVG,  in da9150_fg_voltage_avg()
268 	res = (u64) (val->intval * 186ULL);  in da9150_fg_voltage_avg()
270 	val->intval = (int) res;  in da9150_fg_voltage_avg()
278 	val->intval = da9150_fg_read_attr_sync(fg, DA9150_QIF_FCC_MAH,  in da9150_fg_charge_full()
281 	val->intval = val->intval * 1000;  in da9150_fg_charge_full()
293 	val->intval = da9150_fg_read_attr_sync(fg, DA9150_QIF_NTCAVG,  in da9150_fg_temp()
296 	val->intval = (val->intval * 10) / 1048576;  in da9150_fg_temp()
313 	struct da9150_fg *fg = dev_get_drvdata(psy->dev.parent);  in da9150_fg_get_prop()
333 		ret = -EINVAL;  in da9150_fg_get_prop()
346 	if (val.intval != fg->soc) {  in da9150_fg_soc_changed()
347 		fg->soc = val.intval;  in da9150_fg_soc_changed()
360 		power_supply_changed(fg->battery);  in da9150_fg_work()
362 	schedule_delayed_work(&fg->work, msecs_to_jiffies(fg->interval));  in da9150_fg_work()
373 	if (soc > fg->warn_soc) {  in da9150_fg_soc_event_config()
377 					  fg->warn_soc + 1);  in da9150_fg_soc_event_config()
378 	} else if ((soc <= fg->warn_soc) && (soc > fg->crit_soc)) {  in da9150_fg_soc_event_config()
385 					  fg->crit_soc + 1);  in da9150_fg_soc_event_config()
389 					  fg->warn_soc);  in da9150_fg_soc_event_config()
390 	} else if (soc <= fg->crit_soc) {  in da9150_fg_soc_event_config()
394 					  fg->crit_soc);  in da9150_fg_soc_event_config()
420 	struct device_node *fg_node = dev->of_node;  in da9150_fg_dt_pdata()
427 	of_property_read_u32(fg_node, "dlg,update-interval",  in da9150_fg_dt_pdata()
428 			     &pdata->update_interval);  in da9150_fg_dt_pdata()
429 	of_property_read_u8(fg_node, "dlg,warn-soc-level",  in da9150_fg_dt_pdata()
430 			    &pdata->warn_soc_lvl);  in da9150_fg_dt_pdata()
431 	of_property_read_u8(fg_node, "dlg,crit-soc-level",  in da9150_fg_dt_pdata()
432 			    &pdata->crit_soc_lvl);  in da9150_fg_dt_pdata()
438 	.name		= "da9150-fg",
447 	struct device *dev = &pdev->dev;  in da9150_fg_probe()
448 	struct da9150 *da9150 = dev_get_drvdata(dev->parent);  in da9150_fg_probe()
455 		return -ENOMEM;  in da9150_fg_probe()
458 	fg->da9150 = da9150;  in da9150_fg_probe()
459 	fg->dev = dev;  in da9150_fg_probe()
461 	mutex_init(&fg->io_lock);  in da9150_fg_probe()
467 	fg->battery = devm_power_supply_register(dev, &fg_desc, NULL);  in da9150_fg_probe()
468 	if (IS_ERR(fg->battery)) {  in da9150_fg_probe()
469 		ret = PTR_ERR(fg->battery);  in da9150_fg_probe()
478 	if (dev->of_node) {  in da9150_fg_probe()
480 		dev->platform_data = fg_pdata;  in da9150_fg_probe()
485 		fg->interval = fg_pdata->update_interval;  in da9150_fg_probe()
487 		if (fg_pdata->warn_soc_lvl > 100)  in da9150_fg_probe()
490 			fg->warn_soc = fg_pdata->warn_soc_lvl;  in da9150_fg_probe()
492 		if ((fg_pdata->crit_soc_lvl > 100) ||  in da9150_fg_probe()
493 		    (fg_pdata->crit_soc_lvl >= fg_pdata->warn_soc_lvl))  in da9150_fg_probe()
496 			fg->crit_soc = fg_pdata->crit_soc_lvl;  in da9150_fg_probe()
508 	if (fg->interval) {  in da9150_fg_probe()
509 		ret = devm_delayed_work_autocancel(dev, &fg->work,  in da9150_fg_probe()
516 		schedule_delayed_work(&fg->work,  in da9150_fg_probe()
517 				      msecs_to_jiffies(fg->interval));  in da9150_fg_probe()
543 	if (fg->interval)  in da9150_fg_resume()
544 		flush_delayed_work(&fg->work);  in da9150_fg_resume()
551 		.name = "da9150-fuel-gauge",
559 MODULE_DESCRIPTION("Fuel-Gauge Driver for DA9150");