[mirror_ubuntu-focal-kernel.git] / drivers / power / pcf50633-charger.c

/* NXP PCF50633 Main Battery Charger Driver
 *
 * (C) 2006-2008 by Openmoko, Inc.
 * Author: Balaji Rao <balajirrao@openmoko.org>
 * All rights reserved.
 *
 * Broken down from monstrous PCF50633 driver mainly by
 * Harald Welte, Andy Green and Werner Almesberger
 *
 *  This program is free software; you can redistribute  it and/or modify it
 *  under  the terms of  the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the  License, or (at your
 *  option) any later version.
 *
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/device.h>
#include <linux/sysfs.h>
#include <linux/platform_device.h>
#include <linux/power_supply.h>

#include <linux/mfd/pcf50633/core.h>
#include <linux/mfd/pcf50633/mbc.h>

struct pcf50633_mbc {
	struct pcf50633 *pcf;

	int adapter_active;
	int adapter_online;
	int usb_active;
	int usb_online;

	struct power_supply usb;
	struct power_supply adapter;
};

int pcf50633_mbc_usb_curlim_set(struct pcf50633 *pcf, int ma)
{
	struct pcf50633_mbc *mbc = platform_get_drvdata(pcf->mbc_pdev);
	int ret = 0;
	u8 bits;

	if (ma >= 1000)
		bits = PCF50633_MBCC7_USB_1000mA;
	else if (ma >= 500)
		bits = PCF50633_MBCC7_USB_500mA;
	else if (ma >= 100)
		bits = PCF50633_MBCC7_USB_100mA;
	else
		bits = PCF50633_MBCC7_USB_SUSPEND;

	ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_MBCC7,
					PCF50633_MBCC7_USB_MASK, bits);
	if (ret)
		dev_err(pcf->dev, "error setting usb curlim to %d mA\n", ma);
	else
		dev_info(pcf->dev, "usb curlim to %d mA\n", ma);

	power_supply_changed(&mbc->usb);

	return ret;
}
EXPORT_SYMBOL_GPL(pcf50633_mbc_usb_curlim_set);

int pcf50633_mbc_get_status(struct pcf50633 *pcf)
{
	struct pcf50633_mbc *mbc  = platform_get_drvdata(pcf->mbc_pdev);
	int status = 0;

	if (mbc->usb_online)
		status |= PCF50633_MBC_USB_ONLINE;
	if (mbc->usb_active)
		status |= PCF50633_MBC_USB_ACTIVE;
	if (mbc->adapter_online)
		status |= PCF50633_MBC_ADAPTER_ONLINE;
	if (mbc->adapter_active)
		status |= PCF50633_MBC_ADAPTER_ACTIVE;

	return status;
}
EXPORT_SYMBOL_GPL(pcf50633_mbc_get_status);

void pcf50633_mbc_set_status(struct pcf50633 *pcf, int what, int status)
{
	struct pcf50633_mbc *mbc = platform_get_drvdata(pcf->mbc_pdev);

	if (what & PCF50633_MBC_USB_ONLINE)
		mbc->usb_online = !!status;
	if (what & PCF50633_MBC_USB_ACTIVE)
		mbc->usb_active = !!status;
	if (what & PCF50633_MBC_ADAPTER_ONLINE)
		mbc->adapter_online = !!status;
	if (what & PCF50633_MBC_ADAPTER_ACTIVE)
		mbc->adapter_active = !!status;
}
EXPORT_SYMBOL_GPL(pcf50633_mbc_set_status);

static ssize_t
show_chgmode(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct pcf50633_mbc *mbc = dev_get_drvdata(dev);

	u8 mbcs2 = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCS2);
	u8 chgmod = (mbcs2 & PCF50633_MBCS2_MBC_MASK);

	return sprintf(buf, "%d\n", chgmod);
}
static DEVICE_ATTR(chgmode, S_IRUGO, show_chgmode, NULL);

static ssize_t
show_usblim(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct pcf50633_mbc *mbc = dev_get_drvdata(dev);
	u8 usblim = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCC7) &
						PCF50633_MBCC7_USB_MASK;
	unsigned int ma;

	if (usblim == PCF50633_MBCC7_USB_1000mA)
		ma = 1000;
	else if (usblim == PCF50633_MBCC7_USB_500mA)
		ma = 500;
	else if (usblim == PCF50633_MBCC7_USB_100mA)
		ma = 100;
	else
		ma = 0;

	return sprintf(buf, "%u\n", ma);
}

static ssize_t set_usblim(struct device *dev,
		struct device_attribute *attr, const char *buf, size_t count)
{
	struct pcf50633_mbc *mbc = dev_get_drvdata(dev);
	unsigned long ma;
	int ret;

	ret = strict_strtoul(buf, 10, &ma);
	if (ret)
		return -EINVAL;

	pcf50633_mbc_usb_curlim_set(mbc->pcf, ma);

	return count;
}

static DEVICE_ATTR(usb_curlim, S_IRUGO | S_IWUSR, show_usblim, set_usblim);

static struct attribute *pcf50633_mbc_sysfs_entries[] = {
	&dev_attr_chgmode.attr,
	&dev_attr_usb_curlim.attr,
	NULL,
};

static struct attribute_group mbc_attr_group = {
	.name	= NULL,			/* put in device directory */
	.attrs	= pcf50633_mbc_sysfs_entries,
};

static void
pcf50633_mbc_irq_handler(int irq, void *data)
{
	struct pcf50633_mbc *mbc = data;

	/* USB */
	if (irq == PCF50633_IRQ_USBINS) {
		mbc->usb_online = 1;
	} else if (irq == PCF50633_IRQ_USBREM) {
		mbc->usb_online = 0;
		mbc->usb_active = 0;
		pcf50633_mbc_usb_curlim_set(mbc->pcf, 0);
	}

	/* Adapter */
	if (irq == PCF50633_IRQ_ADPINS) {
		mbc->adapter_online = 1;
		mbc->adapter_active = 1;
	} else if (irq == PCF50633_IRQ_ADPREM) {
		mbc->adapter_online = 0;
		mbc->adapter_active = 0;
	}

	if (irq == PCF50633_IRQ_BATFULL) {
		mbc->usb_active = 0;
		mbc->adapter_active = 0;
	}

	power_supply_changed(&mbc->usb);
	power_supply_changed(&mbc->adapter);

	if (mbc->pcf->pdata->mbc_event_callback)
		mbc->pcf->pdata->mbc_event_callback(mbc->pcf, irq);
}

static int adapter_get_property(struct power_supply *psy,
			enum power_supply_property psp,
			union power_supply_propval *val)
{
	struct pcf50633_mbc *mbc = container_of(psy,
				struct pcf50633_mbc, adapter);
	int ret = 0;

	switch (psp) {
	case POWER_SUPPLY_PROP_ONLINE:
		val->intval =  mbc->adapter_online;
		break;
	default:
		ret = -EINVAL;
		break;
	}
	return ret;
}

static int usb_get_property(struct power_supply *psy,
			enum power_supply_property psp,
			union power_supply_propval *val)
{
	struct pcf50633_mbc *mbc = container_of(psy, struct pcf50633_mbc, usb);
	int ret = 0;

	switch (psp) {
	case POWER_SUPPLY_PROP_ONLINE:
		val->intval = mbc->usb_online;
		break;
	default:
		ret = -EINVAL;
		break;
	}
	return ret;
}

static enum power_supply_property power_props[] = {
	POWER_SUPPLY_PROP_ONLINE,
};

static const u8 mbc_irq_handlers[] = {
	PCF50633_IRQ_ADPINS,
	PCF50633_IRQ_ADPREM,
	PCF50633_IRQ_USBINS,
	PCF50633_IRQ_USBREM,
	PCF50633_IRQ_BATFULL,
	PCF50633_IRQ_CHGHALT,
	PCF50633_IRQ_THLIMON,
	PCF50633_IRQ_THLIMOFF,
	PCF50633_IRQ_USBLIMON,
	PCF50633_IRQ_USBLIMOFF,
	PCF50633_IRQ_LOWSYS,
	PCF50633_IRQ_LOWBAT,
};

static int __devinit pcf50633_mbc_probe(struct platform_device *pdev)
{
	struct pcf50633_mbc *mbc;
	struct pcf50633_subdev_pdata *pdata = pdev->dev.platform_data;
	int ret;
	int i;
	u8 mbcs1;

	mbc = kzalloc(sizeof(*mbc), GFP_KERNEL);
	if (!mbc)
		return -ENOMEM;

	platform_set_drvdata(pdev, mbc);
	mbc->pcf = pdata->pcf;

	/* Set up IRQ handlers */
	for (i = 0; i < ARRAY_SIZE(mbc_irq_handlers); i++)
		pcf50633_register_irq(mbc->pcf, mbc_irq_handlers[i],
					pcf50633_mbc_irq_handler, mbc);

	/* Create power supplies */
	mbc->adapter.name		= "adapter";
	mbc->adapter.type		= POWER_SUPPLY_TYPE_MAINS;
	mbc->adapter.properties		= power_props;
	mbc->adapter.num_properties	= ARRAY_SIZE(power_props);
	mbc->adapter.get_property	= &adapter_get_property;
	mbc->adapter.supplied_to	= mbc->pcf->pdata->batteries;
	mbc->adapter.num_supplicants	= mbc->pcf->pdata->num_batteries;

	mbc->usb.name			= "usb";
	mbc->usb.type			= POWER_SUPPLY_TYPE_USB;
	mbc->usb.properties		= power_props;
	mbc->usb.num_properties		= ARRAY_SIZE(power_props);
	mbc->usb.get_property		= usb_get_property;
	mbc->usb.supplied_to		= mbc->pcf->pdata->batteries;
	mbc->usb.num_supplicants	= mbc->pcf->pdata->num_batteries;

	ret = power_supply_register(&pdev->dev, &mbc->adapter);
	if (ret) {
		dev_err(mbc->pcf->dev, "failed to register adapter\n");
		kfree(mbc);
		return ret;
	}

	ret = power_supply_register(&pdev->dev, &mbc->usb);
	if (ret) {
		dev_err(mbc->pcf->dev, "failed to register usb\n");
		power_supply_unregister(&mbc->adapter);
		kfree(mbc);
		return ret;
	}

	ret = sysfs_create_group(&pdev->dev.kobj, &mbc_attr_group);
	if (ret)
		dev_err(mbc->pcf->dev, "failed to create sysfs entries\n");

	mbcs1 = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCS1);
	if (mbcs1 & PCF50633_MBCS1_USBPRES)
		pcf50633_mbc_irq_handler(PCF50633_IRQ_USBINS, mbc);
	if (mbcs1 & PCF50633_MBCS1_ADAPTPRES)
		pcf50633_mbc_irq_handler(PCF50633_IRQ_ADPINS, mbc);

	return 0;
}

static int __devexit pcf50633_mbc_remove(struct platform_device *pdev)
{
	struct pcf50633_mbc *mbc = platform_get_drvdata(pdev);
	int i;

	/* Remove IRQ handlers */
	for (i = 0; i < ARRAY_SIZE(mbc_irq_handlers); i++)
		pcf50633_free_irq(mbc->pcf, mbc_irq_handlers[i]);

	power_supply_unregister(&mbc->usb);
	power_supply_unregister(&mbc->adapter);

	kfree(mbc);

	return 0;
}

static struct platform_driver pcf50633_mbc_driver = {
	.driver = {
		.name = "pcf50633-mbc",
	},
	.probe = pcf50633_mbc_probe,
	.remove = __devexit_p(pcf50633_mbc_remove),
};

static int __init pcf50633_mbc_init(void)
{
	return platform_driver_register(&pcf50633_mbc_driver);
}
module_init(pcf50633_mbc_init);

static void __exit pcf50633_mbc_exit(void)
{
	platform_driver_unregister(&pcf50633_mbc_driver);
}
module_exit(pcf50633_mbc_exit);

MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>");
MODULE_DESCRIPTION("PCF50633 mbc driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:pcf50633-mbc");
Commit	Line	Data
f5714dc9 BR	1	/* NXP PCF50633 Main Battery Charger Driver
	2	*
	3	* (C) 2006-2008 by Openmoko, Inc.
	4	* Author: Balaji Rao <balajirrao@openmoko.org>
	5	* All rights reserved.
	6	*
	7	* Broken down from monstrous PCF50633 driver mainly by
	8	* Harald Welte, Andy Green and Werner Almesberger
	9	*
	10	* This program is free software; you can redistribute it and/or modify it
	11	* under the terms of the GNU General Public License as published by the
	12	* Free Software Foundation; either version 2 of the License, or (at your
	13	* option) any later version.
	14	*
	15	*/
	16
	17	#include <linux/kernel.h>
	18	#include <linux/module.h>
	19	#include <linux/init.h>
	20	#include <linux/types.h>
	21	#include <linux/device.h>
	22	#include <linux/sysfs.h>
	23	#include <linux/platform_device.h>
	24	#include <linux/power_supply.h>
	25
	26	#include <linux/mfd/pcf50633/core.h>
	27	#include <linux/mfd/pcf50633/mbc.h>
	28
	29	struct pcf50633_mbc {
	30	struct pcf50633 *pcf;
	31
	32	int adapter_active;
	33	int adapter_online;
	34	int usb_active;
	35	int usb_online;
	36
	37	struct power_supply usb;
	38	struct power_supply adapter;
	39	};
	40
	41	int pcf50633_mbc_usb_curlim_set(struct pcf50633 *pcf, int ma)
	42	{
	43	struct pcf50633_mbc *mbc = platform_get_drvdata(pcf->mbc_pdev);
	44	int ret = 0;
	45	u8 bits;
	46
	47	if (ma >= 1000)
	48	bits = PCF50633_MBCC7_USB_1000mA;
	49	else if (ma >= 500)
	50	bits = PCF50633_MBCC7_USB_500mA;
	51	else if (ma >= 100)
	52	bits = PCF50633_MBCC7_USB_100mA;
	53	else
	54	bits = PCF50633_MBCC7_USB_SUSPEND;
	55
	56	ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_MBCC7,
	57	PCF50633_MBCC7_USB_MASK, bits);
	58	if (ret)
	59	dev_err(pcf->dev, "error setting usb curlim to %d mA\n", ma);
	60	else
	61	dev_info(pcf->dev, "usb curlim to %d mA\n", ma);
	62
	63	power_supply_changed(&mbc->usb);
	64
65	return ret;
66	}
67	EXPORT_SYMBOL_GPL(pcf50633_mbc_usb_curlim_set);
68
69	int pcf50633_mbc_get_status(struct pcf50633 *pcf)
70	{
71	struct pcf50633_mbc *mbc = platform_get_drvdata(pcf->mbc_pdev);
72	int status = 0;
73
74	if (mbc->usb_online)
75	status \|= PCF50633_MBC_USB_ONLINE;
76	if (mbc->usb_active)
77	status \|= PCF50633_MBC_USB_ACTIVE;
78	if (mbc->adapter_online)
79	status \|= PCF50633_MBC_ADAPTER_ONLINE;
80	if (mbc->adapter_active)
81	status \|= PCF50633_MBC_ADAPTER_ACTIVE;
82
83	return status;
84	}
85	EXPORT_SYMBOL_GPL(pcf50633_mbc_get_status);
86
87	void pcf50633_mbc_set_status(struct pcf50633 *pcf, int what, int status)
88	{
89	struct pcf50633_mbc *mbc = platform_get_drvdata(pcf->mbc_pdev);
90
91	if (what & PCF50633_MBC_USB_ONLINE)
92	mbc->usb_online = !!status;
93	if (what & PCF50633_MBC_USB_ACTIVE)
94	mbc->usb_active = !!status;
95	if (what & PCF50633_MBC_ADAPTER_ONLINE)
96	mbc->adapter_online = !!status;
97	if (what & PCF50633_MBC_ADAPTER_ACTIVE)
98	mbc->adapter_active = !!status;
99	}
100	EXPORT_SYMBOL_GPL(pcf50633_mbc_set_status);
101
102	static ssize_t
103	show_chgmode(struct device dev, struct device_attribute attr, char *buf)
104	{
105	struct pcf50633_mbc *mbc = dev_get_drvdata(dev);
106
107	u8 mbcs2 = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCS2);
108	u8 chgmod = (mbcs2 & PCF50633_MBCS2_MBC_MASK);
109
110	return sprintf(buf, "%d\n", chgmod);
111	}
112	static DEVICE_ATTR(chgmode, S_IRUGO, show_chgmode, NULL);
113
114	static ssize_t
115	show_usblim(struct device dev, struct device_attribute attr, char *buf)
116	{
117	struct pcf50633_mbc *mbc = dev_get_drvdata(dev);
118	u8 usblim = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCC7) &
119	PCF50633_MBCC7_USB_MASK;
120	unsigned int ma;
121
122	if (usblim == PCF50633_MBCC7_USB_1000mA)
123	ma = 1000;
124	else if (usblim == PCF50633_MBCC7_USB_500mA)
125	ma = 500;
126	else if (usblim == PCF50633_MBCC7_USB_100mA)
127	ma = 100;
128	else
129	ma = 0;
130
131	return sprintf(buf, "%u\n", ma);
132	}
133
134	static ssize_t set_usblim(struct device *dev,
135	struct device_attribute attr, const char buf, size_t count)
136	{
137	struct pcf50633_mbc *mbc = dev_get_drvdata(dev);
138	unsigned long ma;
139	int ret;
140
141	ret = strict_strtoul(buf, 10, &ma);
142	if (ret)
143	return -EINVAL;
144
145	pcf50633_mbc_usb_curlim_set(mbc->pcf, ma);
146
147	return count;
148	}
149
150	static DEVICE_ATTR(usb_curlim, S_IRUGO \| S_IWUSR, show_usblim, set_usblim);
151
152	static struct attribute *pcf50633_mbc_sysfs_entries[] = {
153	&dev_attr_chgmode.attr,
154	&dev_attr_usb_curlim.attr,
155	NULL,
156	};
157
158	static struct attribute_group mbc_attr_group = {
159	.name = NULL, /* put in device directory */
160	.attrs = pcf50633_mbc_sysfs_entries,
161	};
162
163	static void
164	pcf50633_mbc_irq_handler(int irq, void *data)
165	{
166	struct pcf50633_mbc *mbc = data;
167
168	/* USB */
169	if (irq == PCF50633_IRQ_USBINS) {
170	mbc->usb_online = 1;
171	} else if (irq == PCF50633_IRQ_USBREM) {
172	mbc->usb_online = 0;
173	mbc->usb_active = 0;
174	pcf50633_mbc_usb_curlim_set(mbc->pcf, 0);
175	}
176
177	/* Adapter */
178	if (irq == PCF50633_IRQ_ADPINS) {
179	mbc->adapter_online = 1;
180	mbc->adapter_active = 1;
181	} else if (irq == PCF50633_IRQ_ADPREM) {
182	mbc->adapter_online = 0;
183	mbc->adapter_active = 0;
184	}
185
186	if (irq == PCF50633_IRQ_BATFULL) {
187	mbc->usb_active = 0;
188	mbc->adapter_active = 0;
189	}
190
191	power_supply_changed(&mbc->usb);
192	power_supply_changed(&mbc->adapter);
193
194	if (mbc->pcf->pdata->mbc_event_callback)
195	mbc->pcf->pdata->mbc_event_callback(mbc->pcf, irq);
196	}
197
198	static int adapter_get_property(struct power_supply *psy,
199	enum power_supply_property psp,
200	union power_supply_propval *val)
201	{
ccc9c8b9 BR	202	struct pcf50633_mbc *mbc = container_of(psy,
ccc9c8b9 BR	203	struct pcf50633_mbc, adapter);
f5714dc9 BR	204	int ret = 0;
	205
	206	switch (psp) {
	207	case POWER_SUPPLY_PROP_ONLINE:
	208	val->intval = mbc->adapter_online;
	209	break;
	210	default:
	211	ret = -EINVAL;
	212	break;
	213	}
	214	return ret;
	215	}
	216
	217	static int usb_get_property(struct power_supply *psy,
	218	enum power_supply_property psp,
	219	union power_supply_propval *val)
	220	{
	221	struct pcf50633_mbc *mbc = container_of(psy, struct pcf50633_mbc, usb);
	222	int ret = 0;
	223
	224	switch (psp) {
	225	case POWER_SUPPLY_PROP_ONLINE:
	226	val->intval = mbc->usb_online;
	227	break;
	228	default:
	229	ret = -EINVAL;
	230	break;
	231	}
	232	return ret;
	233	}
	234
	235	static enum power_supply_property power_props[] = {
	236	POWER_SUPPLY_PROP_ONLINE,
	237	};
	238
	239	static const u8 mbc_irq_handlers[] = {
	240	PCF50633_IRQ_ADPINS,
	241	PCF50633_IRQ_ADPREM,
	242	PCF50633_IRQ_USBINS,
	243	PCF50633_IRQ_USBREM,
	244	PCF50633_IRQ_BATFULL,
	245	PCF50633_IRQ_CHGHALT,
	246	PCF50633_IRQ_THLIMON,
	247	PCF50633_IRQ_THLIMOFF,
	248	PCF50633_IRQ_USBLIMON,
	249	PCF50633_IRQ_USBLIMOFF,
	250	PCF50633_IRQ_LOWSYS,
	251	PCF50633_IRQ_LOWBAT,
	252	};
	253
	254	static int __devinit pcf50633_mbc_probe(struct platform_device *pdev)
	255	{
	256	struct pcf50633_mbc *mbc;
	257	struct pcf50633_subdev_pdata *pdata = pdev->dev.platform_data;
	258	int ret;
	259	int i;
	260	u8 mbcs1;
	261
	262	mbc = kzalloc(sizeof(*mbc), GFP_KERNEL);
	263	if (!mbc)
	264	return -ENOMEM;
	265
	266	platform_set_drvdata(pdev, mbc);
	267	mbc->pcf = pdata->pcf;
268
269	/* Set up IRQ handlers */
270	for (i = 0; i < ARRAY_SIZE(mbc_irq_handlers); i++)
271	pcf50633_register_irq(mbc->pcf, mbc_irq_handlers[i],
272	pcf50633_mbc_irq_handler, mbc);
273
274	/* Create power supplies */
275	mbc->adapter.name = "adapter";
276	mbc->adapter.type = POWER_SUPPLY_TYPE_MAINS;
277	mbc->adapter.properties = power_props;
278	mbc->adapter.num_properties = ARRAY_SIZE(power_props);
279	mbc->adapter.get_property = &adapter_get_property;
280	mbc->adapter.supplied_to = mbc->pcf->pdata->batteries;
281	mbc->adapter.num_supplicants = mbc->pcf->pdata->num_batteries;
282
283	mbc->usb.name = "usb";
284	mbc->usb.type = POWER_SUPPLY_TYPE_USB;
285	mbc->usb.properties = power_props;
286	mbc->usb.num_properties = ARRAY_SIZE(power_props);
287	mbc->usb.get_property = usb_get_property;
288	mbc->usb.supplied_to = mbc->pcf->pdata->batteries;
289	mbc->usb.num_supplicants = mbc->pcf->pdata->num_batteries;
290
291	ret = power_supply_register(&pdev->dev, &mbc->adapter);
292	if (ret) {
293	dev_err(mbc->pcf->dev, "failed to register adapter\n");
294	kfree(mbc);
295	return ret;
296	}
297
298	ret = power_supply_register(&pdev->dev, &mbc->usb);
299	if (ret) {
300	dev_err(mbc->pcf->dev, "failed to register usb\n");
301	power_supply_unregister(&mbc->adapter);
302	kfree(mbc);
303	return ret;
304	}
305
306	ret = sysfs_create_group(&pdev->dev.kobj, &mbc_attr_group);
307	if (ret)
308	dev_err(mbc->pcf->dev, "failed to create sysfs entries\n");
309
310	mbcs1 = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCS1);
311	if (mbcs1 & PCF50633_MBCS1_USBPRES)
312	pcf50633_mbc_irq_handler(PCF50633_IRQ_USBINS, mbc);
313	if (mbcs1 & PCF50633_MBCS1_ADAPTPRES)
314	pcf50633_mbc_irq_handler(PCF50633_IRQ_ADPINS, mbc);
315
316	return 0;
317	}
318
319	static int __devexit pcf50633_mbc_remove(struct platform_device *pdev)
320	{
321	struct pcf50633_mbc *mbc = platform_get_drvdata(pdev);
322	int i;
323
324	/* Remove IRQ handlers */
325	for (i = 0; i < ARRAY_SIZE(mbc_irq_handlers); i++)
326	pcf50633_free_irq(mbc->pcf, mbc_irq_handlers[i]);
327
328	power_supply_unregister(&mbc->usb);
329	power_supply_unregister(&mbc->adapter);
330
331	kfree(mbc);
332
333	return 0;
334	}
335
336	static struct platform_driver pcf50633_mbc_driver = {
337	.driver = {
338	.name = "pcf50633-mbc",
339	},
340	.probe = pcf50633_mbc_probe,
341	.remove = __devexit_p(pcf50633_mbc_remove),
342	};
343
344	static int __init pcf50633_mbc_init(void)
345	{
346	return platform_driver_register(&pcf50633_mbc_driver);
347	}
348	module_init(pcf50633_mbc_init);
349
350	static void __exit pcf50633_mbc_exit(void)
351	{
352	platform_driver_unregister(&pcf50633_mbc_driver);
353	}
354	module_exit(pcf50633_mbc_exit);
355
356	MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>");
357	MODULE_DESCRIPTION("PCF50633 mbc driver");
358	MODULE_LICENSE("GPL");
359	MODULE_ALIAS("platform:pcf50633-mbc");