/*
 * Renesas USB driver R-Car Gen. 2 initialization and power control
 *
 * Copyright (C) 2014 Ulrich Hecht
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 */

#include <linux/gpio.h>
#include <linux/of_gpio.h>
#include <linux/phy/phy.h>
#include <linux/usb/phy.h>
#include "common.h"
#include "rcar2.h"

static int usbhs_rcar2_hardware_init(struct platform_device *pdev)
{
	struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);

	if (IS_ENABLED(CONFIG_GENERIC_PHY)) {
		struct phy *phy = phy_get(&pdev->dev, "usb");

		if (IS_ERR(phy))
			return PTR_ERR(phy);

		priv->phy = phy;
		return 0;
	}

	if (IS_ENABLED(CONFIG_USB_PHY)) {
		struct usb_phy *usb_phy = usb_get_phy_dev(&pdev->dev, 0);

		if (IS_ERR(usb_phy))
			return PTR_ERR(usb_phy);

		priv->usb_phy = usb_phy;
		return 0;
	}

	return -ENXIO;
}

static int usbhs_rcar2_hardware_exit(struct platform_device *pdev)
{
	struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);

	if (priv->phy) {
		phy_put(priv->phy);
		priv->phy = NULL;
	}

	if (priv->usb_phy) {
		usb_put_phy(priv->usb_phy);
		priv->usb_phy = NULL;
	}

	return 0;
}

static int usbhs_rcar2_power_ctrl(struct platform_device *pdev,
				void __iomem *base, int enable)
{
	struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
	int retval = -ENODEV;

	if (priv->phy) {
		if (enable) {
			retval = phy_init(priv->phy);

			if (!retval)
				retval = phy_power_on(priv->phy);
		} else {
			phy_power_off(priv->phy);
			phy_exit(priv->phy);
			retval = 0;
		}
	}

	if (priv->usb_phy) {
		if (enable) {
			retval = usb_phy_init(priv->usb_phy);

			if (!retval)
				retval = usb_phy_set_suspend(priv->usb_phy, 0);
		} else {
			usb_phy_set_suspend(priv->usb_phy, 1);
			usb_phy_shutdown(priv->usb_phy);
			retval = 0;
		}
	}

	return retval;
}

static int usbhs_rcar2_get_id(struct platform_device *pdev)
{
	return USBHS_GADGET;
}

const struct renesas_usbhs_platform_callback usbhs_rcar2_ops = {
	.hardware_init = usbhs_rcar2_hardware_init,
	.hardware_exit = usbhs_rcar2_hardware_exit,
	.power_ctrl = usbhs_rcar2_power_ctrl,
	.get_id = usbhs_rcar2_get_id,
};
3c7eae0d781f72a6d30545e17'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/sound/soc/codecs/ab8500-codec.c'>
<input type='hidden' name='id' value='10435c1192d06bdb0bac7666452d8219d7e7c477'/><input type='hidden' name='id2' value='1a28ad74ebd8f9d3c7eae0d781f72a6d30545e17'/><select name='qt'>
<option value='grep'>log msg</option>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/diff/?id=10435c1192d06bdb0bac7666452d8219d7e7c477&amp;id2=1a28ad74ebd8f9d3c7eae0d781f72a6d30545e17'>root</a>/<a href='/cgit.cgi/linux/net-next.git/diff/sound?id=10435c1192d06bdb0bac7666452d8219d7e7c477&amp;id2=1a28ad74ebd8f9d3c7eae0d781f72a6d30545e17'>sound</a>/<a href='/cgit.cgi/linux/net-next.git/diff/sound/soc?id=10435c1192d06bdb0bac7666452d8219d7e7c477&amp;id2=1a28ad74ebd8f9d3c7eae0d781f72a6d30545e17'>soc</a>/<a href='/cgit.cgi/linux/net-next.git/diff/sound/soc/codecs?id=10435c1192d06bdb0bac7666452d8219d7e7c477&amp;id2=1a28ad74ebd8f9d3c7eae0d781f72a6d30545e17'>codecs</a>/<a href='/cgit.cgi/linux/net-next.git/diff/sound/soc/codecs/ab8500-codec.c?id=10435c1192d06bdb0bac7666452d8219d7e7c477&amp;id2=1a28ad74ebd8f9d3c7eae0d781f72a6d30545e17'>ab8500-codec.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='10435c1192d06bdb0bac7666452d8219d7e7c477'/><input type='hidden' name='id2' value='1a28ad74ebd8f9d3c7eae0d781f72a6d30545e17'/><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/?id=10435c1192d06bdb0bac7666452d8219d7e7c477&amp;id2=1a28ad74ebd8f9d3c7eae0d781f72a6d30545e17'>Diffstat</a> (limited to 'sound/soc/codecs/ab8500-codec.c')</div><table summary='diffstat' class='diffstat'>