1 // SPDX-License-Identifier: GPL-2.0-or-later
12 #include <linux/hwmon-sysfs.h>
37 	[DA9052_ADC_IN4]	=	"ADC IN4",
38 	[DA9052_ADC_IN5]	=	"ADC IN5",
42 	[DA9052_ADC_TSI_XN]	=	"ADC TS X-",
43 	[DA9052_ADC_TSI_YN]	=	"ADC TS Y-",
45 	[DA9052_ADC_VBBAT]	=	"BACK-UP BATTERY VOLTAGE",
68 	return DIV_ROUND_CLOSEST(value * hwmon->tsiref_mv, 1023);  in input_tsireg_to_mv()
90 	mutex_lock(&hwmon->hwmon_lock);  in da9052_vddout_show()
92 	ret = da9052_enable_vddout_channel(hwmon->da9052);  in da9052_vddout_show()
96 	vdd = da9052_reg_read(hwmon->da9052, DA9052_VDD_RES_REG);  in da9052_vddout_show()
102 	ret = da9052_disable_vddout_channel(hwmon->da9052);  in da9052_vddout_show()
106 	mutex_unlock(&hwmon->hwmon_lock);  in da9052_vddout_show()
110 	da9052_disable_vddout_channel(hwmon->da9052);  in da9052_vddout_show()
112 	mutex_unlock(&hwmon->hwmon_lock);  in da9052_vddout_show()
122 	ret = da9052_reg_read(hwmon->da9052, DA9052_ICHG_AV_REG);  in da9052_ich_show()
135 	return sprintf(buf, "%d\n", da9052_adc_read_temp(hwmon->da9052));  in da9052_tbat_show()
144 	ret = da9052_adc_manual_read(hwmon->da9052, DA9052_ADC_VBAT);  in da9052_vbat_show()
156 	int channel = to_sensor_dev_attr(devattr)->index;  in da9052_misc_channel_show()
159 	ret = da9052_adc_manual_read(hwmon->da9052, channel);  in da9052_misc_channel_show()
185 	return da9052_reg_write(hwmon->da9052, DA9052_TSI_CONT_B_REG, val);  in da9052_request_tsi_read()
194 	err = da9052_group_read(hwmon->da9052, DA9052_TSI_X_MSB_REG,  in da9052_get_tsi_result()
213 		return -EINVAL;  in da9052_get_tsi_result()
225 	reinit_completion(&hwmon->tsidone);  in __da9052_read_tsi()
232 	if (!wait_for_completion_timeout(&hwmon->tsidone,  in __da9052_read_tsi()
234 		return -ETIMEDOUT;  in __da9052_read_tsi()
243 	int channel = to_sensor_dev_attr(devattr)->index;  in da9052_tsi_show()
246 	mutex_lock(&hwmon->da9052->auxadc_lock);  in da9052_tsi_show()
248 	mutex_unlock(&hwmon->da9052->auxadc_lock);  in da9052_tsi_show()
263 	tjunc = da9052_reg_read(hwmon->da9052, DA9052_TJUNC_RES_REG);  in da9052_tjunc_show()
267 	toffset = da9052_reg_read(hwmon->da9052, DA9052_T_OFFSET_REG);  in da9052_tjunc_show()
272 	 * Degrees celsius = 1.708 * (TJUNC_RES - T_OFFSET) - 108.8  in da9052_tjunc_show()
275 	return sprintf(buf, "%d\n", 1708 * (tjunc - toffset) - 108800);  in da9052_tjunc_show()
284 	ret = da9052_adc_manual_read(hwmon->da9052, DA9052_ADC_VBBAT);  in da9052_vbbat_show()
295 		       input_names[to_sensor_dev_attr(devattr)->index]);  in label_show()
307 	if (!hwmon->tsi_as_adc) {  in da9052_channel_is_visible()
308 		switch (sattr->index) {  in da9052_channel_is_visible()
317 	return attr->mode;  in da9052_channel_is_visible()
390 	complete(&hwmon->tsidone);  in da9052_tsi_datardy_irq()
396 	struct device *dev = &pdev->dev;  in da9052_hwmon_probe()
403 		return -ENOMEM;  in da9052_hwmon_probe()
407 	mutex_init(&hwmon->hwmon_lock);  in da9052_hwmon_probe()
408 	hwmon->da9052 = dev_get_drvdata(pdev->dev.parent);  in da9052_hwmon_probe()
410 	init_completion(&hwmon->tsidone);  in da9052_hwmon_probe()
412 	hwmon->tsi_as_adc =  in da9052_hwmon_probe()
413 		device_property_read_bool(pdev->dev.parent, "dlg,tsi-as-adc");  in da9052_hwmon_probe()
415 	if (hwmon->tsi_as_adc) {  in da9052_hwmon_probe()
416 		tsiref_uv = devm_regulator_get_enable_read_voltage(dev->parent,  in da9052_hwmon_probe()
423 		hwmon->tsiref_mv = tsiref_uv / 1000;  in da9052_hwmon_probe()
426 		if (hwmon->tsiref_mv < 1800 || hwmon->tsiref_mv > 2600) {  in da9052_hwmon_probe()
427 			dev_err(hwmon->da9052->dev, "invalid TSIREF voltage: %d",  in da9052_hwmon_probe()
428 				hwmon->tsiref_mv);  in da9052_hwmon_probe()
429 			return -ENXIO;  in da9052_hwmon_probe()
433 		da9052_reg_write(hwmon->da9052, DA9052_TSI_CONT_A_REG, 0x00);  in da9052_hwmon_probe()
436 		da9052_reg_update(hwmon->da9052, DA9052_ADC_CONT_REG,  in da9052_hwmon_probe()
440 		err = da9052_request_irq(hwmon->da9052, DA9052_IRQ_TSIREADY,  in da9052_hwmon_probe()
441 					 "tsiready-irq", da9052_tsi_datardy_irq,  in da9052_hwmon_probe()
444 			dev_err(&pdev->dev, "Failed to register TSIRDY IRQ: %d",  in da9052_hwmon_probe()
460 	if (hwmon->tsi_as_adc)  in da9052_hwmon_probe()
461 		da9052_free_irq(hwmon->da9052, DA9052_IRQ_TSIREADY, hwmon);  in da9052_hwmon_probe()
470 	if (hwmon->tsi_as_adc)  in da9052_hwmon_remove()
471 		da9052_free_irq(hwmon->da9052, DA9052_IRQ_TSIREADY, hwmon);  in da9052_hwmon_remove()
478 		.name = "da9052-hwmon",
487 MODULE_ALIAS("platform:da9052-hwmon");