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f3823017e1
Do not trust the fact that iio.h includes of.h which in turn includes all the headers we are relying on. The ultimate goal is to actually drop of.h from iio.h. Signed-off-by: Nuno Sá <nuno.sa@analog.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20220610084545.547700-3-nuno.sa@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
106 lines
2.6 KiB
C
106 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* AD7606 Parallel Interface ADC driver
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*
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* Copyright 2011 Analog Devices Inc.
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*/
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#include <linux/mod_devicetable.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/types.h>
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#include <linux/err.h>
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#include <linux/io.h>
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#include <linux/iio/iio.h>
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#include "ad7606.h"
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static int ad7606_par16_read_block(struct device *dev,
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int count, void *buf)
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{
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struct iio_dev *indio_dev = dev_get_drvdata(dev);
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struct ad7606_state *st = iio_priv(indio_dev);
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insw((unsigned long)st->base_address, buf, count);
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return 0;
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}
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static const struct ad7606_bus_ops ad7606_par16_bops = {
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.read_block = ad7606_par16_read_block,
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};
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static int ad7606_par8_read_block(struct device *dev,
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int count, void *buf)
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{
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struct iio_dev *indio_dev = dev_get_drvdata(dev);
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struct ad7606_state *st = iio_priv(indio_dev);
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insb((unsigned long)st->base_address, buf, count * 2);
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return 0;
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}
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static const struct ad7606_bus_ops ad7606_par8_bops = {
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.read_block = ad7606_par8_read_block,
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};
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static int ad7606_par_probe(struct platform_device *pdev)
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{
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const struct platform_device_id *id = platform_get_device_id(pdev);
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struct resource *res;
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void __iomem *addr;
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resource_size_t remap_size;
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int irq;
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irq = platform_get_irq(pdev, 0);
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if (irq < 0)
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return irq;
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res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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addr = devm_ioremap_resource(&pdev->dev, res);
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if (IS_ERR(addr))
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return PTR_ERR(addr);
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remap_size = resource_size(res);
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return ad7606_probe(&pdev->dev, irq, addr,
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id->name, id->driver_data,
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remap_size > 1 ? &ad7606_par16_bops :
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&ad7606_par8_bops);
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}
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static const struct platform_device_id ad7606_driver_ids[] = {
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{ .name = "ad7605-4", .driver_data = ID_AD7605_4, },
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{ .name = "ad7606-4", .driver_data = ID_AD7606_4, },
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{ .name = "ad7606-6", .driver_data = ID_AD7606_6, },
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{ .name = "ad7606-8", .driver_data = ID_AD7606_8, },
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{ }
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};
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MODULE_DEVICE_TABLE(platform, ad7606_driver_ids);
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static const struct of_device_id ad7606_of_match[] = {
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{ .compatible = "adi,ad7605-4" },
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{ .compatible = "adi,ad7606-4" },
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{ .compatible = "adi,ad7606-6" },
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{ .compatible = "adi,ad7606-8" },
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{ },
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};
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MODULE_DEVICE_TABLE(of, ad7606_of_match);
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static struct platform_driver ad7606_driver = {
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.probe = ad7606_par_probe,
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.id_table = ad7606_driver_ids,
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.driver = {
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.name = "ad7606",
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.pm = AD7606_PM_OPS,
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.of_match_table = ad7606_of_match,
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},
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};
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module_platform_driver(ad7606_driver);
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MODULE_AUTHOR("Michael Hennerich <michael.hennerich@analog.com>");
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MODULE_DESCRIPTION("Analog Devices AD7606 ADC");
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MODULE_LICENSE("GPL v2");
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MODULE_IMPORT_NS(IIO_AD7606);
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