staging:iio: Remove ad5930/ad9850/ad9852/ad9910/ad9951 dummy drivers (c83441e0) · Commits · e / devices / android_kernel_samsung_universal8895

drivers/staging/iio/frequency/Kconfig

+0 −35

Original line number	Original line	Diff line number	Diff line
	@@ -3,13 +3,6 @@
	#		#
	menu "Direct Digital Synthesis"		menu "Direct Digital Synthesis"

	config AD5930
	tristate "Analog Devices ad5930/5932 driver"
	depends on SPI
	help
	Say yes here to build support for Analog Devices DDS chip
	ad5930/ad5932, provides direct access via sysfs.

	config AD9832		config AD9832
	tristate "Analog Devices ad9832/5 driver"		tristate "Analog Devices ad9832/5 driver"
	depends on SPI		depends on SPI
	@@ -30,32 +23,4 @@ config AD9834
	To compile this driver as a module, choose M here: the		To compile this driver as a module, choose M here: the
	module will be called ad9834.		module will be called ad9834.

	config AD9850
	tristate "Analog Devices ad9850/1 driver"
	depends on SPI
	help
	Say yes here to build support for Analog Devices DDS chip
	ad9850/1, provides direct access via sysfs.

	config AD9852
	tristate "Analog Devices ad9852/4 driver"
	depends on SPI
	help
	Say yes here to build support for Analog Devices DDS chip
	ad9852/4, provides direct access via sysfs.

	config AD9910
	tristate "Analog Devices ad9910 driver"
	depends on SPI
	help
	Say yes here to build support for Analog Devices DDS chip
	ad9910, provides direct access via sysfs.

	config AD9951
	tristate "Analog Devices ad9951 driver"
	depends on SPI
	help
	Say yes here to build support for Analog Devices DDS chip
	ad9951, provides direct access via sysfs.

	endmenu		endmenu

drivers/staging/iio/frequency/Makefile

+0 −5

Original line number	Original line	Diff line number	Diff line
	@@ -2,10 +2,5 @@
	# Makefile for Direct Digital Synthesis drivers		# Makefile for Direct Digital Synthesis drivers
	#		#

	obj-$(CONFIG_AD5930) += ad5930.o
	obj-$(CONFIG_AD9832) += ad9832.o		obj-$(CONFIG_AD9832) += ad9832.o
	obj-$(CONFIG_AD9834) += ad9834.o		obj-$(CONFIG_AD9834) += ad9834.o
	obj-$(CONFIG_AD9850) += ad9850.o
	obj-$(CONFIG_AD9852) += ad9852.o
	obj-$(CONFIG_AD9910) += ad9910.o
	obj-$(CONFIG_AD9951) += ad9951.o

drivers/staging/iio/frequency/ad5930.c

deleted100644 → 0

+0 −140

Original line number	Original line	Diff line number	Diff line
	/*
	* Driver for ADI Direct Digital Synthesis ad5930
	*
	* Copyright (c) 2010-2010 Analog Devices Inc.
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License version 2 as
	* published by the Free Software Foundation.
	*
	*/
	#include <linux/types.h>
	#include <linux/mutex.h>
	#include <linux/device.h>
	#include <linux/spi/spi.h>
	#include <linux/slab.h>
	#include <linux/sysfs.h>
	#include <linux/module.h>

	#include <linux/iio/iio.h>
	#include <linux/iio/sysfs.h>

	#define DRV_NAME "ad5930"

	#define value_mask (u16)0xf000
	#define addr_shift 12

	/* Register format: 4 bits addr + 12 bits value */
	struct ad5903_config {
	u16 control;
	u16 incnum;
	u16 frqdelt[2];
	u16 incitvl;
	u16 buritvl;
	u16 strtfrq[2];
	};

	struct ad5930_state {
	struct mutex lock;
	struct spi_device *sdev;
	};

	static ssize_t ad5930_set_parameter(struct device *dev,
	struct device_attribute *attr,
	const char *buf,
	size_t len)
	{
	struct spi_transfer xfer;
	int ret;
	struct ad5903_config config = (struct ad5903_config )buf;
	struct iio_dev *idev = dev_to_iio_dev(dev);
	struct ad5930_state *st = iio_priv(idev);

	config->control = (config->control & ~value_mask);
	config->incnum = (config->control & ~value_mask) \| (1 << addr_shift);
	config->frqdelt[0] = (config->control & ~value_mask) \| (2 << addr_shift);
	config->frqdelt[1] = (config->control & ~value_mask) \| 3 << addr_shift;
	config->incitvl = (config->control & ~value_mask) \| 4 << addr_shift;
	config->buritvl = (config->control & ~value_mask) \| 8 << addr_shift;
	config->strtfrq[0] = (config->control & ~value_mask) \| 0xc << addr_shift;
	config->strtfrq[1] = (config->control & ~value_mask) \| 0xd << addr_shift;

	xfer.len = len;
	xfer.tx_buf = config;
	mutex_lock(&st->lock);

	ret = spi_sync_transfer(st->sdev, &xfer, 1);
	if (ret)
	goto error_ret;
	error_ret:
	mutex_unlock(&st->lock);

	return ret ? ret : len;
	}

	static IIO_DEVICE_ATTR(dds, S_IWUSR, NULL, ad5930_set_parameter, 0);

	static struct attribute *ad5930_attributes[] = {
	&iio_dev_attr_dds.dev_attr.attr,
	NULL,
	};

	static const struct attribute_group ad5930_attribute_group = {
	.attrs = ad5930_attributes,
	};

	static const struct iio_info ad5930_info = {
	.attrs = &ad5930_attribute_group,
	.driver_module = THIS_MODULE,
	};

	static int ad5930_probe(struct spi_device *spi)
	{
	struct ad5930_state *st;
	struct iio_dev *idev;
	int ret = 0;

	idev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
	if (!idev)
	return -ENOMEM;
	spi_set_drvdata(spi, idev);
	st = iio_priv(idev);

	mutex_init(&st->lock);
	st->sdev = spi;
	idev->dev.parent = &spi->dev;
	idev->info = &ad5930_info;
	idev->modes = INDIO_DIRECT_MODE;

	ret = iio_device_register(idev);
	if (ret)
	return ret;
	spi->max_speed_hz = 2000000;
	spi->mode = SPI_MODE_3;
	spi->bits_per_word = 16;
	spi_setup(spi);

	return 0;
	}

	static int ad5930_remove(struct spi_device *spi)
	{
	iio_device_unregister(spi_get_drvdata(spi));

	return 0;
	}

	static struct spi_driver ad5930_driver = {
	.driver = {
	.name = DRV_NAME,
	.owner = THIS_MODULE,
	},
	.probe = ad5930_probe,
	.remove = ad5930_remove,
	};
	module_spi_driver(ad5930_driver);

	MODULE_AUTHOR("Cliff Cai");
	MODULE_DESCRIPTION("Analog Devices ad5930 driver");
	MODULE_LICENSE("GPL v2");
	MODULE_ALIAS("spi:" DRV_NAME);

drivers/staging/iio/frequency/ad9850.c

deleted100644 → 0

+0 −120

Original line number	Original line	Diff line number	Diff line
	/*
	* Driver for ADI Direct Digital Synthesis ad9850
	*
	* Copyright (c) 2010-2010 Analog Devices Inc.
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License version 2 as
	* published by the Free Software Foundation.
	*
	*/
	#include <linux/types.h>
	#include <linux/mutex.h>
	#include <linux/device.h>
	#include <linux/spi/spi.h>
	#include <linux/slab.h>
	#include <linux/sysfs.h>
	#include <linux/module.h>

	#include <linux/iio/iio.h>
	#include <linux/iio/sysfs.h>

	#define DRV_NAME "ad9850"

	/* Register format: 4 bits addr + 12 bits value */
	struct ad9850_config {
	u8 control[5];
	};

	struct ad9850_state {
	struct mutex lock;
	struct spi_device *sdev;
	};

	static ssize_t ad9850_set_parameter(struct device *dev,
	struct device_attribute *attr,
	const char *buf,
	size_t len)
	{
	struct spi_transfer xfer;
	int ret;
	struct ad9850_config config = (struct ad9850_config )buf;
	struct iio_dev *idev = dev_to_iio_dev(dev);
	struct ad9850_state *st = iio_priv(idev);

	xfer.len = len;
	xfer.tx_buf = config;
	mutex_lock(&st->lock);

	ret = spi_sync_transfer(st->sdev, &xfer, 1);
	mutex_unlock(&st->lock);

	return ret ? ret : len;
	}

	static IIO_DEVICE_ATTR(dds, S_IWUSR, NULL, ad9850_set_parameter, 0);

	static struct attribute *ad9850_attributes[] = {
	&iio_dev_attr_dds.dev_attr.attr,
	NULL,
	};

	static const struct attribute_group ad9850_attribute_group = {
	.attrs = ad9850_attributes,
	};

	static const struct iio_info ad9850_info = {
	.attrs = &ad9850_attribute_group,
	.driver_module = THIS_MODULE,
	};

	static int ad9850_probe(struct spi_device *spi)
	{
	struct ad9850_state *st;
	struct iio_dev *idev;
	int ret = 0;

	idev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
	if (!idev)
	return -ENOMEM;
	spi_set_drvdata(spi, idev);
	st = iio_priv(idev);
	mutex_init(&st->lock);
	st->sdev = spi;

	idev->dev.parent = &spi->dev;
	idev->info = &ad9850_info;
	idev->modes = INDIO_DIRECT_MODE;

	ret = iio_device_register(idev);
	if (ret)
	return ret;
	spi->max_speed_hz = 2000000;
	spi->mode = SPI_MODE_3;
	spi->bits_per_word = 16;
	spi_setup(spi);

	return 0;
	}

	static int ad9850_remove(struct spi_device *spi)
	{
	iio_device_unregister(spi_get_drvdata(spi));

	return 0;
	}

	static struct spi_driver ad9850_driver = {
	.driver = {
	.name = DRV_NAME,
	.owner = THIS_MODULE,
	},
	.probe = ad9850_probe,
	.remove = ad9850_remove,
	};
	module_spi_driver(ad9850_driver);

	MODULE_AUTHOR("Cliff Cai");
	MODULE_DESCRIPTION("Analog Devices ad9850 driver");
	MODULE_LICENSE("GPL v2");
	MODULE_ALIAS("spi:" DRV_NAME);

drivers/staging/iio/frequency/ad9852.c

deleted100644 → 0

+0 −245

Original line number	Original line	Diff line number	Diff line
	/*
	* Driver for ADI Direct Digital Synthesis ad9852
	*
	* Copyright (c) 2010 Analog Devices Inc.
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License version 2 as
	* published by the Free Software Foundation.
	*
	*/
	#include <linux/types.h>
	#include <linux/mutex.h>
	#include <linux/device.h>
	#include <linux/spi/spi.h>
	#include <linux/slab.h>
	#include <linux/sysfs.h>
	#include <linux/module.h>

	#include <linux/iio/iio.h>
	#include <linux/iio/sysfs.h>

	#define DRV_NAME "ad9852"

	#define addr_phaad1 0x0
	#define addr_phaad2 0x1
	#define addr_fretu1 0x2
	#define addr_fretu2 0x3
	#define addr_delfre 0x4
	#define addr_updclk 0x5
	#define addr_ramclk 0x6
	#define addr_contrl 0x7
	#define addr_optskm 0x8
	#define addr_optskr 0xa
	#define addr_dacctl 0xb

	#define COMPPD (1 << 4)
	#define REFMULT2 (1 << 2)
	#define BYPPLL (1 << 5)
	#define PLLRANG (1 << 6)
	#define IEUPCLK (1)
	#define OSKEN (1 << 5)

	#define read_bit (1 << 7)

	/* Register format: 1 byte addr + value */
	struct ad9852_config {
	u8 phajst0[3];
	u8 phajst1[3];
	u8 fretun1[6];
	u8 fretun2[6];
	u8 dltafre[6];
	u8 updtclk[5];
	u8 ramprat[4];
	u8 control[5];
	u8 outpskm[3];
	u8 outpskr[2];
	u8 daccntl[3];
	};

	struct ad9852_state {
	struct mutex lock;
	struct spi_device *sdev;
	};

	static ssize_t ad9852_set_parameter(struct device *dev,
	struct device_attribute *attr,
	const char *buf,
	size_t len)
	{
	struct spi_transfer xfer;
	int ret;
	struct ad9852_config config = (struct ad9852_config )buf;
	struct iio_dev *idev = dev_to_iio_dev(dev);
	struct ad9852_state *st = iio_priv(idev);

	xfer.len = 3;
	xfer.tx_buf = &config->phajst0[0];
	mutex_lock(&st->lock);

	ret = spi_sync_transfer(st->sdev, &xfer, 1);
	if (ret)
	goto error_ret;

	xfer.len = 3;
	xfer.tx_buf = &config->phajst1[0];

	ret = spi_sync_transfer(st->sdev, &xfer, 1);
	if (ret)
	goto error_ret;

	xfer.len = 6;
	xfer.tx_buf = &config->fretun1[0];

	ret = spi_sync_transfer(st->sdev, &xfer, 1);
	if (ret)
	goto error_ret;

	xfer.len = 6;
	xfer.tx_buf = &config->fretun2[0];

	ret = spi_sync_transfer(st->sdev, &xfer, 1);
	if (ret)
	goto error_ret;

	xfer.len = 6;
	xfer.tx_buf = &config->dltafre[0];

	ret = spi_sync_transfer(st->sdev, &xfer, 1);
	if (ret)
	goto error_ret;

	xfer.len = 5;
	xfer.tx_buf = &config->updtclk[0];

	ret = spi_sync_transfer(st->sdev, &xfer, 1);
	if (ret)
	goto error_ret;

	xfer.len = 4;
	xfer.tx_buf = &config->ramprat[0];

	ret = spi_sync_transfer(st->sdev, &xfer, 1);
	if (ret)
	goto error_ret;

	xfer.len = 5;
	xfer.tx_buf = &config->control[0];

	ret = spi_sync_transfer(st->sdev, &xfer, 1);
	if (ret)
	goto error_ret;

	xfer.len = 3;
	xfer.tx_buf = &config->outpskm[0];

	ret = spi_sync_transfer(st->sdev, &xfer, 1);
	if (ret)
	goto error_ret;

	xfer.len = 2;
	xfer.tx_buf = &config->outpskr[0];

	ret = spi_sync_transfer(st->sdev, &xfer, 1);
	if (ret)
	goto error_ret;

	xfer.len = 3;
	xfer.tx_buf = &config->daccntl[0];

	ret = spi_sync_transfer(st->sdev, &xfer, 1);
	if (ret)
	goto error_ret;
	error_ret:
	mutex_unlock(&st->lock);

	return ret ? ret : len;
	}

	static IIO_DEVICE_ATTR(dds, S_IWUSR, NULL, ad9852_set_parameter, 0);

	static void ad9852_init(struct ad9852_state *st)
	{
	struct spi_transfer xfer;
	int ret;
	u8 config[5];

	config[0] = addr_contrl;
	config[1] = COMPPD;
	config[2] = REFMULT2 \| BYPPLL \| PLLRANG;
	config[3] = IEUPCLK;
	config[4] = OSKEN;

	mutex_lock(&st->lock);

	xfer.len = 5;
	xfer.tx_buf = &config;

	ret = spi_sync_transfer(st->sdev, &xfer, 1);
	if (ret)
	goto error_ret;

	error_ret:
	mutex_unlock(&st->lock);



	}

	static struct attribute *ad9852_attributes[] = {
	&iio_dev_attr_dds.dev_attr.attr,
	NULL,
	};

	static const struct attribute_group ad9852_attribute_group = {
	.attrs = ad9852_attributes,
	};

	static const struct iio_info ad9852_info = {
	.attrs = &ad9852_attribute_group,
	.driver_module = THIS_MODULE,
	};

	static int ad9852_probe(struct spi_device *spi)
	{
	struct ad9852_state *st;
	struct iio_dev *idev;
	int ret = 0;

	idev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
	if (!idev)
	return -ENOMEM;
	st = iio_priv(idev);
	spi_set_drvdata(spi, idev);
	mutex_init(&st->lock);
	st->sdev = spi;

	idev->dev.parent = &spi->dev;
	idev->info = &ad9852_info;
	idev->modes = INDIO_DIRECT_MODE;

	ret = devm_iio_device_register(&spi->dev, idev);
	if (ret)
	return ret;
	spi->max_speed_hz = 2000000;
	spi->mode = SPI_MODE_3;
	spi->bits_per_word = 8;
	spi_setup(spi);
	ad9852_init(st);

	return 0;
	}

	static struct spi_driver ad9852_driver = {
	.driver = {
	.name = DRV_NAME,
	.owner = THIS_MODULE,
	},
	.probe = ad9852_probe,
	};
	module_spi_driver(ad9852_driver);

	MODULE_AUTHOR("Cliff Cai");
	MODULE_DESCRIPTION("Analog Devices ad9852 driver");
	MODULE_LICENSE("GPL v2");
	MODULE_ALIAS("spi:" DRV_NAME);