1 // SPDX-License-Identifier: GPL-2.0
33 	return ((st->pwr_down_mode >> (chan->channel * 2)) & 0x3) - 1;  in ad5686_get_powerdown_mode()
42 	st->pwr_down_mode &= ~(0x3 << (chan->channel * 2));  in ad5686_set_powerdown_mode()
43 	st->pwr_down_mode |= ((mode + 1) << (chan->channel * 2));  in ad5686_set_powerdown_mode()
60 	return sysfs_emit(buf, "%d\n", !!(st->pwr_down_mask &  in ad5686_read_dac_powerdown()
61 				       (0x3 << (chan->channel * 2))));  in ad5686_read_dac_powerdown()
81 		st->pwr_down_mask |= (0x3 << (chan->channel * 2));  in ad5686_write_dac_powerdown()
83 		st->pwr_down_mask &= ~(0x3 << (chan->channel * 2));  in ad5686_write_dac_powerdown()
85 	switch (st->chip_info->regmap_type) {  in ad5686_write_dac_powerdown()
98 		if (chan->channel > 0x7)  in ad5686_write_dac_powerdown()
106 		return -EINVAL;  in ad5686_write_dac_powerdown()
109 	val = ((st->pwr_down_mask & st->pwr_down_mode) << shift);  in ad5686_write_dac_powerdown()
110 	if (!st->use_internal_vref)  in ad5686_write_dac_powerdown()
113 	ret = st->write(st, AD5686_CMD_POWERDOWN_DAC,  in ad5686_write_dac_powerdown()
130 		mutex_lock(&st->lock);  in ad5686_read_raw()
131 		ret = st->read(st, chan->address);  in ad5686_read_raw()
132 		mutex_unlock(&st->lock);  in ad5686_read_raw()
135 		*val = (ret >> chan->scan_type.shift) &  in ad5686_read_raw()
136 			GENMASK(chan->scan_type.realbits - 1, 0);  in ad5686_read_raw()
139 		*val = st->vref_mv;  in ad5686_read_raw()
140 		*val2 = chan->scan_type.realbits;  in ad5686_read_raw()
143 	return -EINVAL;  in ad5686_read_raw()
157 		if (val > (1 << chan->scan_type.realbits) || val < 0)  in ad5686_write_raw()
158 			return -EINVAL;  in ad5686_write_raw()
160 		mutex_lock(&st->lock);  in ad5686_write_raw()
161 		ret = st->write(st,  in ad5686_write_raw()
163 				chan->address,  in ad5686_write_raw()
164 				val << chan->scan_type.shift);  in ad5686_write_raw()
165 		mutex_unlock(&st->lock);  in ad5686_write_raw()
168 		ret = -EINVAL;  in ad5686_write_raw()
191 #define AD5868_CHANNEL(chan, addr, bits, _shift) {		\  argument
201 			.realbits = (bits),			\
208 #define DECLARE_AD5693_CHANNELS(name, bits, _shift)		\  argument
210 		AD5868_CHANNEL(0, 0, bits, _shift),		\
213 #define DECLARE_AD5338_CHANNELS(name, bits, _shift)		\  argument
215 		AD5868_CHANNEL(0, 1, bits, _shift),		\
216 		AD5868_CHANNEL(1, 8, bits, _shift),		\
219 #define DECLARE_AD5686_CHANNELS(name, bits, _shift)		\  argument
221 		AD5868_CHANNEL(0, 1, bits, _shift),		\
222 		AD5868_CHANNEL(1, 2, bits, _shift),		\
223 		AD5868_CHANNEL(2, 4, bits, _shift),		\
224 		AD5868_CHANNEL(3, 8, bits, _shift),		\
227 #define DECLARE_AD5676_CHANNELS(name, bits, _shift)		\  argument
229 		AD5868_CHANNEL(0, 0, bits, _shift),		\
230 		AD5868_CHANNEL(1, 1, bits, _shift),		\
231 		AD5868_CHANNEL(2, 2, bits, _shift),		\
232 		AD5868_CHANNEL(3, 3, bits, _shift),		\
233 		AD5868_CHANNEL(4, 4, bits, _shift),		\
234 		AD5868_CHANNEL(5, 5, bits, _shift),		\
235 		AD5868_CHANNEL(6, 6, bits, _shift),		\
236 		AD5868_CHANNEL(7, 7, bits, _shift),		\
239 #define DECLARE_AD5679_CHANNELS(name, bits, _shift)		\  argument
241 		AD5868_CHANNEL(0, 0, bits, _shift),		\
242 		AD5868_CHANNEL(1, 1, bits, _shift),		\
243 		AD5868_CHANNEL(2, 2, bits, _shift),		\
244 		AD5868_CHANNEL(3, 3, bits, _shift),		\
245 		AD5868_CHANNEL(4, 4, bits, _shift),		\
246 		AD5868_CHANNEL(5, 5, bits, _shift),		\
247 		AD5868_CHANNEL(6, 6, bits, _shift),		\
248 		AD5868_CHANNEL(7, 7, bits, _shift),		\
249 		AD5868_CHANNEL(8, 8, bits, _shift),		\
250 		AD5868_CHANNEL(9, 9, bits, _shift),		\
251 		AD5868_CHANNEL(10, 10, bits, _shift),		\
252 		AD5868_CHANNEL(11, 11, bits, _shift),		\
253 		AD5868_CHANNEL(12, 12, bits, _shift),		\
254 		AD5868_CHANNEL(13, 13, bits, _shift),		\
255 		AD5868_CHANNEL(14, 14, bits, _shift),		\
256 		AD5868_CHANNEL(15, 15, bits, _shift),		\
263 DECLARE_AD5676_CHANNELS(ad5672_channels, 12, 4);
264 DECLARE_AD5679_CHANNELS(ad5674r_channels, 12, 4);
267 DECLARE_AD5686_CHANNELS(ad5684_channels, 12, 4);
272 DECLARE_AD5693_CHANNELS(ad5691r_channels, 12, 4);
377 		.num_channels = 4,
383 		.num_channels = 4,
389 		.num_channels = 4,
394 		.num_channels = 4,
400 		.num_channels = 4,
428 		.num_channels = 4,
434 		.num_channels = 4,
439 		.num_channels = 4,
445 		.num_channels = 4,
463 		return  -ENOMEM;  in ad5686_probe()
468 	st->dev = dev;  in ad5686_probe()
469 	st->write = write;  in ad5686_probe()
470 	st->read = read;  in ad5686_probe()
472 	st->reg = devm_regulator_get_optional(dev, "vcc");  in ad5686_probe()
473 	if (!IS_ERR(st->reg)) {  in ad5686_probe()
474 		ret = regulator_enable(st->reg);  in ad5686_probe()
478 		ret = regulator_get_voltage(st->reg);  in ad5686_probe()
485 	st->chip_info = &ad5686_chip_info_tbl[chip_type];  in ad5686_probe()
488 		st->vref_mv = voltage_uv / 1000;  in ad5686_probe()
490 		st->vref_mv = st->chip_info->int_vref_mv;  in ad5686_probe()
493 	for (i = 0; i < st->chip_info->num_channels; i++)  in ad5686_probe()
494 		st->pwr_down_mode |= (0x01 << (i * 2));  in ad5686_probe()
496 	indio_dev->name = name;  in ad5686_probe()
497 	indio_dev->info = &ad5686_info;  in ad5686_probe()
498 	indio_dev->modes = INDIO_DIRECT_MODE;  in ad5686_probe()
499 	indio_dev->channels = st->chip_info->channels;  in ad5686_probe()
500 	indio_dev->num_channels = st->chip_info->num_channels;  in ad5686_probe()
502 	mutex_init(&st->lock);  in ad5686_probe()
504 	switch (st->chip_info->regmap_type) {  in ad5686_probe()
508 		st->use_internal_vref = !voltage_uv;  in ad5686_probe()
513 		st->use_internal_vref = !voltage_uv;  in ad5686_probe()
522 		st->use_internal_vref = !voltage_uv;  in ad5686_probe()
525 		ret = -EINVAL;  in ad5686_probe()
531 	ret = st->write(st, cmd, 0, !!val);  in ad5686_probe()
542 	if (!IS_ERR(st->reg))  in ad5686_probe()
543 		regulator_disable(st->reg);  in ad5686_probe()
554 	if (!IS_ERR(st->reg))  in ad5686_remove()
555 		regulator_disable(st->reg);  in ad5686_remove()