1 // SPDX-License-Identifier: GPL-2.0
5  * Copyright 2011 - 2024 Analog Devices Inc.
11 #include <linux/io.h>
52 	for (c = 0; c < indio_dev->num_channels; c++) {  in ad7606_par_bus_update_scan_mode()
54 			ret = iio_backend_chan_enable(st->back, c);  in ad7606_par_bus_update_scan_mode()
56 			ret = iio_backend_chan_disable(st->back, c);  in ad7606_par_bus_update_scan_mode()
74 	st->back = devm_iio_backend_get(dev, NULL);  in ad7606_par_bus_setup_iio_backend()
75 	if (IS_ERR(st->back))  in ad7606_par_bus_setup_iio_backend()
76 		return PTR_ERR(st->back);  in ad7606_par_bus_setup_iio_backend()
79 	if (!st->cnvst_pwm)  in ad7606_par_bus_setup_iio_backend()
80 		return dev_err_probe(st->dev, -EINVAL,  in ad7606_par_bus_setup_iio_backend()
83 	ret = devm_iio_backend_request_buffer(dev, st->back, indio_dev);  in ad7606_par_bus_setup_iio_backend()
87 	ret = devm_iio_backend_enable(dev, st->back);  in ad7606_par_bus_setup_iio_backend()
91 	for (c = 0; c < indio_dev->num_channels; c++) {  in ad7606_par_bus_setup_iio_backend()
92 		ret = iio_backend_data_format_set(st->back, c, &data);  in ad7606_par_bus_setup_iio_backend()
97 	indio_dev->channels = ad7606b_bi_channels;  in ad7606_par_bus_setup_iio_backend()
98 	indio_dev->num_channels = 8;  in ad7606_par_bus_setup_iio_backend()
105 	struct ad7606_platform_data *pdata = st->dev->platform_data;  in ad7606_par_bus_reg_read()
108 	ret = pdata->bus_reg_read(st->back, addr, &val);  in ad7606_par_bus_reg_read()
118 	struct ad7606_platform_data *pdata = st->dev->platform_data;  in ad7606_par_bus_reg_write()
120 	return pdata->bus_reg_write(st->back, addr, val);  in ad7606_par_bus_reg_write()
125 	indio_dev->channels = ad7606b_bi_sw_channels;  in ad7606_par_bus_sw_mode_config()
157 	if (st->gpio_frstdata) {  in ad7606_par16_read_block()
158 		insw((unsigned long)st->base_address, _buf, 1);  in ad7606_par16_read_block()
159 		if (!gpiod_get_value(st->gpio_frstdata)) {  in ad7606_par16_read_block()
161 			return -EIO;  in ad7606_par16_read_block()
164 		num--;  in ad7606_par16_read_block()
166 	insw((unsigned long)st->base_address, _buf, num);  in ad7606_par16_read_block()
191 	if (st->gpio_frstdata) {  in ad7606_par8_read_block()
192 		insb((unsigned long)st->base_address, _buf, 2);  in ad7606_par8_read_block()
193 		if (!gpiod_get_value(st->gpio_frstdata)) {  in ad7606_par8_read_block()
195 			return -EIO;  in ad7606_par8_read_block()
198 		num--;  in ad7606_par8_read_block()
200 	insb((unsigned long)st->base_address, _buf, num * 2);  in ad7606_par8_read_block()
222 	if (dev_fwnode(&pdev->dev)) {  in ad7606_par_probe()
223 		chip_info = device_get_match_data(&pdev->dev);  in ad7606_par_probe()
224 		if (device_property_present(&pdev->dev, "io-backends"))  in ad7606_par_probe()
229 			return ad7606_probe(&pdev->dev, 0, NULL,  in ad7606_par_probe()
234 		chip_info = (const struct ad7606_chip_info *)id->driver_data;  in ad7606_par_probe()
247 	return ad7606_probe(&pdev->dev, irq, addr, chip_info,  in ad7606_par_probe()
253 	{ .name	= "ad7605-4", .driver_data = (kernel_ulong_t)&ad7605_4_info, },
254 	{ .name	= "ad7606-4", .driver_data = (kernel_ulong_t)&ad7606_4_info, },
255 	{ .name	= "ad7606-6", .driver_data = (kernel_ulong_t)&ad7606_6_info, },
256 	{ .name	= "ad7606-8", .driver_data = (kernel_ulong_t)&ad7606_8_info, },
266 	{ .compatible = "adi,ad7605-4", .data = &ad7605_4_info },
267 	{ .compatible = "adi,ad7606-4", .data = &ad7606_4_info },
268 	{ .compatible = "adi,ad7606-6", .data = &ad7606_6_info },
269 	{ .compatible = "adi,ad7606-8", .data = &ad7606_8_info },