/*
 * Driver for ADAU1381/ADAU1781 CODEC
 *
 * Copyright 2014 Analog Devices Inc.
 *  Author: Lars-Peter Clausen <lars@metafoo.de>
 *
 * Licensed under the GPL-2.
 */

#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/regmap.h>
#include <linux/spi/spi.h>
#include <sound/soc.h>

#include "adau1781.h"

static void adau1781_spi_switch_mode(struct device *dev)
{
	struct spi_device *spi = to_spi_device(dev);

	/*
	 * To get the device into SPI mode CLATCH has to be pulled low three
	 * times.  Do this by issuing three dummy reads.
	 */
	spi_w8r8(spi, 0x00);
	spi_w8r8(spi, 0x00);
	spi_w8r8(spi, 0x00);
}

static int adau1781_spi_probe(struct spi_device *spi)
{
	const struct spi_device_id *id = spi_get_device_id(spi);
	struct regmap_config config;

	if (!id)
		return -EINVAL;

	config = adau1781_regmap_config;
	config.val_bits = 8;
	config.reg_bits = 24;
	config.read_flag_mask = 0x1;

	return adau1781_probe(&spi->dev,
		devm_regmap_init_spi(spi, &config),
		id->driver_data, adau1781_spi_switch_mode);
}

static int adau1781_spi_remove(struct spi_device *spi)
{
	adau17x1_remove(&spi->dev);
	return 0;
}

static const struct spi_device_id adau1781_spi_id[] = {
	{ "adau1381", ADAU1381 },
	{ "adau1781", ADAU1781 },
	{ }
};
MODULE_DEVICE_TABLE(spi, adau1781_spi_id);

#if defined(CONFIG_OF)
static const struct of_device_id adau1781_spi_dt_ids[] = {
	{ .compatible = "adi,adau1381", },
	{ .compatible = "adi,adau1781", },
	{ },
};
MODULE_DEVICE_TABLE(of, adau1781_spi_dt_ids);
#endif

static struct spi_driver adau1781_spi_driver = {
	.driver = {
		.name = "adau1781",
		.of_match_table = of_match_ptr(adau1781_spi_dt_ids),
	},
	.probe = adau1781_spi_probe,
	.remove = adau1781_spi_remove,
	.id_table = adau1781_spi_id,
};
module_spi_driver(adau1781_spi_driver);

MODULE_DESCRIPTION("ASoC ADAU1381/ADAU1781 CODEC SPI driver");
MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
MODULE_LICENSE("GPL");
href='/cgit.cgi/linux/net-next.git/commit/tools/objtool/warn.h?h=nds-private-remove&amp;id=56e3d92ddb97d9584622b29d4ecb268e30242b1e'>commit</a><a class='active' href='/cgit.cgi/linux/net-next.git/diff/tools/objtool/warn.h?h=nds-private-remove&amp;id=56e3d92ddb97d9584622b29d4ecb268e30242b1e'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/tools/objtool/warn.h'>
<input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='56e3d92ddb97d9584622b29d4ecb268e30242b1e'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=56e3d92ddb97d9584622b29d4ecb268e30242b1e'>root</a>/<a href='/cgit.cgi/linux/net-next.git/diff/tools?h=nds-private-remove&amp;id=56e3d92ddb97d9584622b29d4ecb268e30242b1e'>tools</a>/<a href='/cgit.cgi/linux/net-next.git/diff/tools/objtool?h=nds-private-remove&amp;id=56e3d92ddb97d9584622b29d4ecb268e30242b1e'>objtool</a>/<a href='/cgit.cgi/linux/net-next.git/diff/tools/objtool/warn.h?h=nds-private-remove&amp;id=56e3d92ddb97d9584622b29d4ecb268e30242b1e'>warn.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='56e3d92ddb97d9584622b29d4ecb268e30242b1e'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=56e3d92ddb97d9584622b29d4ecb268e30242b1e'>Diffstat</a> (limited to 'tools/objtool/warn.h')</div><table summary='diffstat' class='diffstat'>