1 // SPDX-License-Identifier: GPL-2.0
30 #define BCOVE_GPADCREQ			0xDC
31 #define BCOVE_GPADCREQ_BUSY		BIT(0)
67 	complete(&adc->completion);  in mrfld_adc_thread_isr()
76 	struct regmap *regmap = adc->regmap;  in mrfld_adc_single_conv()
82 	reinit_completion(&adc->completion);  in mrfld_adc_single_conv()
93 	req = mrfld_adc_requests[chan->channel];  in mrfld_adc_single_conv()
98 	time_left = wait_for_completion_interruptible_timeout(&adc->completion,  in mrfld_adc_single_conv()
100 	if (time_left < 0) {  in mrfld_adc_single_conv()
104 	if (time_left == 0) {  in mrfld_adc_single_conv()
105 		ret = -ETIMEDOUT;  in mrfld_adc_single_conv()
109 	ret = regmap_bulk_read(regmap, chan->address, &value, sizeof(value));  in mrfld_adc_single_conv()
117 	regmap_update_bits(regmap, BCOVE_MIRQLVL1, BCOVE_LVL1_ADC, 0xff);  in mrfld_adc_single_conv()
118 	regmap_update_bits(regmap, BCOVE_MADCIRQ, BCOVE_ADCIRQ_ALL, 0xff);  in mrfld_adc_single_conv()
132 		mutex_lock(&adc->lock);  in mrfld_adc_read_raw()
134 		mutex_unlock(&adc->lock);  in mrfld_adc_read_raw()
137 		return -EINVAL;  in mrfld_adc_read_raw()
156 	BCOVE_ADC_CHANNEL(IIO_VOLTAGE,    0, "CH0", 0xE9),
157 	BCOVE_ADC_CHANNEL(IIO_RESISTANCE, 1, "CH1", 0xEB),
158 	BCOVE_ADC_CHANNEL(IIO_CURRENT,    2, "CH2", 0xED),
159 	BCOVE_ADC_CHANNEL(IIO_TEMP,       3, "CH3", 0xCC),
160 	BCOVE_ADC_CHANNEL(IIO_TEMP,       4, "CH4", 0xC8),
161 	BCOVE_ADC_CHANNEL(IIO_TEMP,       5, "CH5", 0xCA),
162 	BCOVE_ADC_CHANNEL(IIO_TEMP,       6, "CH6", 0xC2),
163 	BCOVE_ADC_CHANNEL(IIO_TEMP,       7, "CH7", 0xC4),
164 	BCOVE_ADC_CHANNEL(IIO_TEMP,       8, "CH8", 0xC6),
168 	IIO_MAP("CH0", "bcove-battery", "VBATRSLT"),
169 	IIO_MAP("CH1", "bcove-battery", "BATTID"),
170 	IIO_MAP("CH2", "bcove-battery", "IBATRSLT"),
171 	IIO_MAP("CH3", "bcove-temp",    "PMICTEMP"),
172 	IIO_MAP("CH4", "bcove-temp",    "BATTEMP0"),
173 	IIO_MAP("CH5", "bcove-temp",    "BATTEMP1"),
174 	IIO_MAP("CH6", "bcove-temp",    "SYSTEMP0"),
175 	IIO_MAP("CH7", "bcove-temp",    "SYSTEMP1"),
176 	IIO_MAP("CH8", "bcove-temp",    "SYSTEMP2"),
182 	struct device *dev = &pdev->dev;  in mrfld_adc_probe()
183 	struct intel_soc_pmic *pmic = dev_get_drvdata(dev->parent);  in mrfld_adc_probe()
191 		return -ENOMEM;  in mrfld_adc_probe()
195 	mutex_init(&adc->lock);  in mrfld_adc_probe()
196 	init_completion(&adc->completion);  in mrfld_adc_probe()
197 	adc->regmap = pmic->regmap;  in mrfld_adc_probe()
199 	irq = platform_get_irq(pdev, 0);  in mrfld_adc_probe()
200 	if (irq < 0)  in mrfld_adc_probe()
204 					IRQF_ONESHOT | IRQF_SHARED, pdev->name,  in mrfld_adc_probe()
209 	indio_dev->name = pdev->name;  in mrfld_adc_probe()
211 	indio_dev->channels = mrfld_adc_channels;  in mrfld_adc_probe()
212 	indio_dev->num_channels = ARRAY_SIZE(mrfld_adc_channels);  in mrfld_adc_probe()
213 	indio_dev->info = &mrfld_adc_iio_info;  in mrfld_adc_probe()
214 	indio_dev->modes = INDIO_DIRECT_MODE;  in mrfld_adc_probe()