[linux-block.git] / drivers / mfd / pcf50633-core.c

// SPDX-License-Identifier: GPL-2.0-or-later
/* NXP PCF50633 Power Management Unit (PMU) driver
 *
 * (C) 2006-2008 by Openmoko, Inc.
 * Author: Harald Welte <laforge@openmoko.org>
 * 	   Balaji Rao <balajirrao@openmoko.org>
 * All rights reserved.
 */

#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/sysfs.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/workqueue.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
#include <linux/pm.h>
#include <linux/slab.h>
#include <linux/regmap.h>
#include <linux/err.h>

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

/* Read a block of up to 32 regs  */
int pcf50633_read_block(struct pcf50633 *pcf, u8 reg,
					int nr_regs, u8 *data)
{
	int ret;

	ret = regmap_raw_read(pcf->regmap, reg, data, nr_regs);
	if (ret != 0)
		return ret;

	return nr_regs;
}
EXPORT_SYMBOL_GPL(pcf50633_read_block);

/* Write a block of up to 32 regs  */
int pcf50633_write_block(struct pcf50633 *pcf , u8 reg,
					int nr_regs, u8 *data)
{
	return regmap_raw_write(pcf->regmap, reg, data, nr_regs);
}
EXPORT_SYMBOL_GPL(pcf50633_write_block);

u8 pcf50633_reg_read(struct pcf50633 *pcf, u8 reg)
{
	unsigned int val;
	int ret;

	ret = regmap_read(pcf->regmap, reg, &val);
	if (ret < 0)
		return -1;

	return val;
}
EXPORT_SYMBOL_GPL(pcf50633_reg_read);

int pcf50633_reg_write(struct pcf50633 *pcf, u8 reg, u8 val)
{
	return regmap_write(pcf->regmap, reg, val);
}
EXPORT_SYMBOL_GPL(pcf50633_reg_write);

int pcf50633_reg_set_bit_mask(struct pcf50633 *pcf, u8 reg, u8 mask, u8 val)
{
	return regmap_update_bits(pcf->regmap, reg, mask, val);
}
EXPORT_SYMBOL_GPL(pcf50633_reg_set_bit_mask);

int pcf50633_reg_clear_bits(struct pcf50633 *pcf, u8 reg, u8 val)
{
	return regmap_update_bits(pcf->regmap, reg, val, 0);
}
EXPORT_SYMBOL_GPL(pcf50633_reg_clear_bits);

/* sysfs attributes */
static ssize_t show_dump_regs(struct device *dev, struct device_attribute *attr,
			    char *buf)
{
	struct pcf50633 *pcf = dev_get_drvdata(dev);
	u8 dump[16];
	int n, n1, idx = 0;
	char *buf1 = buf;
	static u8 address_no_read[] = { /* must be ascending */
		PCF50633_REG_INT1,
		PCF50633_REG_INT2,
		PCF50633_REG_INT3,
		PCF50633_REG_INT4,
		PCF50633_REG_INT5,
		0 /* terminator */
	};

	for (n = 0; n < 256; n += sizeof(dump)) {
		for (n1 = 0; n1 < sizeof(dump); n1++)
			if (n == address_no_read[idx]) {
				idx++;
				dump[n1] = 0x00;
			} else
				dump[n1] = pcf50633_reg_read(pcf, n + n1);

		buf1 += sprintf(buf1, "%*ph\n", (int)sizeof(dump), dump);
	}

	return buf1 - buf;
}
static DEVICE_ATTR(dump_regs, 0400, show_dump_regs, NULL);

static ssize_t show_resume_reason(struct device *dev,
				struct device_attribute *attr, char *buf)
{
	struct pcf50633 *pcf = dev_get_drvdata(dev);
	int n;

	n = sprintf(buf, "%02x%02x%02x%02x%02x\n",
				pcf->resume_reason[0],
				pcf->resume_reason[1],
				pcf->resume_reason[2],
				pcf->resume_reason[3],
				pcf->resume_reason[4]);

	return n;
}
static DEVICE_ATTR(resume_reason, 0400, show_resume_reason, NULL);

static struct attribute *pcf_sysfs_entries[] = {
	&dev_attr_dump_regs.attr,
	&dev_attr_resume_reason.attr,
	NULL,
};

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

static void
pcf50633_client_dev_register(struct pcf50633 *pcf, const char *name,
						struct platform_device **pdev)
{
	int ret;

	*pdev = platform_device_alloc(name, -1);
	if (!*pdev) {
		dev_err(pcf->dev, "Failed to allocate %s\n", name);
		return;
	}

	(*pdev)->dev.parent = pcf->dev;

	ret = platform_device_add(*pdev);
	if (ret) {
		dev_err(pcf->dev, "Failed to register %s: %d\n", name, ret);
		platform_device_put(*pdev);
		*pdev = NULL;
	}
}

#ifdef CONFIG_PM_SLEEP
static int pcf50633_suspend(struct device *dev)
{
	struct i2c_client *client = to_i2c_client(dev);
	struct pcf50633 *pcf = i2c_get_clientdata(client);

	return pcf50633_irq_suspend(pcf);
}

static int pcf50633_resume(struct device *dev)
{
	struct i2c_client *client = to_i2c_client(dev);
	struct pcf50633 *pcf = i2c_get_clientdata(client);

	return pcf50633_irq_resume(pcf);
}
#endif

static SIMPLE_DEV_PM_OPS(pcf50633_pm, pcf50633_suspend, pcf50633_resume);

static const struct regmap_config pcf50633_regmap_config = {
	.reg_bits = 8,
	.val_bits = 8,
};

static int pcf50633_probe(struct i2c_client *client,
				const struct i2c_device_id *ids)
{
	struct pcf50633 *pcf;
	struct platform_device *pdev;
	struct pcf50633_platform_data *pdata = dev_get_platdata(&client->dev);
	int i, j, ret;
	int version, variant;

	if (!client->irq) {
		dev_err(&client->dev, "Missing IRQ\n");
		return -ENOENT;
	}

	pcf = devm_kzalloc(&client->dev, sizeof(*pcf), GFP_KERNEL);
	if (!pcf)
		return -ENOMEM;

	i2c_set_clientdata(client, pcf);
	pcf->dev = &client->dev;
	pcf->pdata = pdata;

	mutex_init(&pcf->lock);

	pcf->regmap = devm_regmap_init_i2c(client, &pcf50633_regmap_config);
	if (IS_ERR(pcf->regmap)) {
		ret = PTR_ERR(pcf->regmap);
		dev_err(pcf->dev, "Failed to allocate register map: %d\n", ret);
		return ret;
	}

	version = pcf50633_reg_read(pcf, 0);
	variant = pcf50633_reg_read(pcf, 1);
	if (version < 0 || variant < 0) {
		dev_err(pcf->dev, "Unable to probe pcf50633\n");
		ret = -ENODEV;
		return ret;
	}

	dev_info(pcf->dev, "Probed device version %d variant %d\n",
							version, variant);

	pcf50633_irq_init(pcf, client->irq);

	/* Create sub devices */
	pcf50633_client_dev_register(pcf, "pcf50633-input", &pcf->input_pdev);
	pcf50633_client_dev_register(pcf, "pcf50633-rtc", &pcf->rtc_pdev);
	pcf50633_client_dev_register(pcf, "pcf50633-mbc", &pcf->mbc_pdev);
	pcf50633_client_dev_register(pcf, "pcf50633-adc", &pcf->adc_pdev);
	pcf50633_client_dev_register(pcf, "pcf50633-backlight", &pcf->bl_pdev);


	for (i = 0; i < PCF50633_NUM_REGULATORS; i++) {
		pdev = platform_device_alloc("pcf50633-regulator", i);
		if (!pdev) {
			ret = -ENOMEM;
			goto err2;
		}

		pdev->dev.parent = pcf->dev;
		ret = platform_device_add_data(pdev, &pdata->reg_init_data[i],
					       sizeof(pdata->reg_init_data[i]));
		if (ret)
			goto err;

		ret = platform_device_add(pdev);
		if (ret)
			goto err;

		pcf->regulator_pdev[i] = pdev;
	}

	ret = sysfs_create_group(&client->dev.kobj, &pcf_attr_group);
	if (ret)
		dev_warn(pcf->dev, "error creating sysfs entries\n");

	if (pdata->probe_done)
		pdata->probe_done(pcf);

	return 0;

err:
	platform_device_put(pdev);
err2:
	for (j = 0; j < i; j++)
		platform_device_put(pcf->regulator_pdev[j]);

	return ret;
}

static int pcf50633_remove(struct i2c_client *client)
{
	struct pcf50633 *pcf = i2c_get_clientdata(client);
	int i;

	sysfs_remove_group(&client->dev.kobj, &pcf_attr_group);
	pcf50633_irq_free(pcf);

	platform_device_unregister(pcf->input_pdev);
	platform_device_unregister(pcf->rtc_pdev);
	platform_device_unregister(pcf->mbc_pdev);
	platform_device_unregister(pcf->adc_pdev);
	platform_device_unregister(pcf->bl_pdev);

	for (i = 0; i < PCF50633_NUM_REGULATORS; i++)
		platform_device_unregister(pcf->regulator_pdev[i]);

	return 0;
}

static const struct i2c_device_id pcf50633_id_table[] = {
	{"pcf50633", 0x73},
	{/* end of list */}
};
MODULE_DEVICE_TABLE(i2c, pcf50633_id_table);

static struct i2c_driver pcf50633_driver = {
	.driver = {
		.name	= "pcf50633",
		.pm	= &pcf50633_pm,
	},
	.id_table = pcf50633_id_table,
	.probe = pcf50633_probe,
	.remove = pcf50633_remove,
};

static int __init pcf50633_init(void)
{
	return i2c_add_driver(&pcf50633_driver);
}

static void __exit pcf50633_exit(void)
{
	i2c_del_driver(&pcf50633_driver);
}

MODULE_DESCRIPTION("I2C chip driver for NXP PCF50633 PMU");
MODULE_AUTHOR("Harald Welte <laforge@openmoko.org>");
MODULE_LICENSE("GPL");

subsys_initcall(pcf50633_init);
module_exit(pcf50633_exit);
Commit	Line	Data
2874c5fd	1	// SPDX-License-Identifier: GPL-2.0-or-later
f52046b1 BR	2	/* NXP PCF50633 Power Management Unit (PMU) driver
	3	*
	4	* (C) 2006-2008 by Openmoko, Inc.
	5	* Author: Harald Welte <laforge@openmoko.org>
	6	* Balaji Rao <balajirrao@openmoko.org>
	7	* All rights reserved.
f52046b1 BR	8	*/
	9
	10	#include <linux/kernel.h>
	11	#include <linux/device.h>
	12	#include <linux/sysfs.h>
f52046b1 BR	13	#include <linux/module.h>
	14	#include <linux/types.h>
	15	#include <linux/interrupt.h>
	16	#include <linux/workqueue.h>
	17	#include <linux/platform_device.h>
	18	#include <linux/i2c.h>
939941d4	19	#include <linux/pm.h>
5a0e3ad6	20	#include <linux/slab.h>
6e3ad118 MB	21	#include <linux/regmap.h>
6e3ad118 MB	22	#include <linux/err.h>
f52046b1 BR	23
	24	#include <linux/mfd/pcf50633/core.h>
	25
25985edc	26	/* Read a block of up to 32 regs */
f52046b1 BR	27	int pcf50633_read_block(struct pcf50633 *pcf, u8 reg,
	28	int nr_regs, u8 *data)
	29	{
	30	int ret;
	31
6e3ad118 MB	32	ret = regmap_raw_read(pcf->regmap, reg, data, nr_regs);
	33	if (ret != 0)
	34	return ret;
f52046b1	35
6e3ad118	36	return nr_regs;
f52046b1 BR	37	}
	38	EXPORT_SYMBOL_GPL(pcf50633_read_block);
	39
25985edc	40	/* Write a block of up to 32 regs */
f52046b1 BR	41	int pcf50633_write_block(struct pcf50633 *pcf , u8 reg,
	42	int nr_regs, u8 *data)
	43	{
60b5c5a4	44	return regmap_raw_write(pcf->regmap, reg, data, nr_regs);
f52046b1 BR	45	}
	46	EXPORT_SYMBOL_GPL(pcf50633_write_block);
	47
	48	u8 pcf50633_reg_read(struct pcf50633 *pcf, u8 reg)
	49	{
6e3ad118 MB	50	unsigned int val;
6e3ad118 MB	51	int ret;
f52046b1	52
6e3ad118 MB	53	ret = regmap_read(pcf->regmap, reg, &val);
	54	if (ret < 0)
	55	return -1;
f52046b1 BR	56
	57	return val;
	58	}
	59	EXPORT_SYMBOL_GPL(pcf50633_reg_read);
	60
	61	int pcf50633_reg_write(struct pcf50633 *pcf, u8 reg, u8 val)
	62	{
6e3ad118	63	return regmap_write(pcf->regmap, reg, val);
f52046b1 BR	64	}
	65	EXPORT_SYMBOL_GPL(pcf50633_reg_write);
	66
	67	int pcf50633_reg_set_bit_mask(struct pcf50633 *pcf, u8 reg, u8 mask, u8 val)
	68	{
6e3ad118	69	return regmap_update_bits(pcf->regmap, reg, mask, val);
f52046b1 BR	70	}
	71	EXPORT_SYMBOL_GPL(pcf50633_reg_set_bit_mask);
	72
	73	int pcf50633_reg_clear_bits(struct pcf50633 *pcf, u8 reg, u8 val)
	74	{
6e3ad118	75	return regmap_update_bits(pcf->regmap, reg, val, 0);
f52046b1 BR	76	}
	77	EXPORT_SYMBOL_GPL(pcf50633_reg_clear_bits);
	78
	79	/* sysfs attributes */
	80	static ssize_t show_dump_regs(struct device dev, struct device_attribute attr,
	81	char *buf)
	82	{
	83	struct pcf50633 *pcf = dev_get_drvdata(dev);
	84	u8 dump[16];
	85	int n, n1, idx = 0;
	86	char *buf1 = buf;
	87	static u8 address_no_read[] = { /* must be ascending */
	88	PCF50633_REG_INT1,
	89	PCF50633_REG_INT2,
	90	PCF50633_REG_INT3,
	91	PCF50633_REG_INT4,
	92	PCF50633_REG_INT5,
	93	0 /* terminator */
	94	};
	95
	96	for (n = 0; n < 256; n += sizeof(dump)) {
	97	for (n1 = 0; n1 < sizeof(dump); n1++)
	98	if (n == address_no_read[idx]) {
	99	idx++;
	100	dump[n1] = 0x00;
	101	} else
	102	dump[n1] = pcf50633_reg_read(pcf, n + n1);
	103
970d9fbc	104	buf1 += sprintf(buf1, "%*ph\n", (int)sizeof(dump), dump);
f52046b1 BR	105	}
	106
	107	return buf1 - buf;
	108	}
	109	static DEVICE_ATTR(dump_regs, 0400, show_dump_regs, NULL);
	110
	111	static ssize_t show_resume_reason(struct device *dev,
	112	struct device_attribute attr, char buf)
	113	{
	114	struct pcf50633 *pcf = dev_get_drvdata(dev);
	115	int n;
	116
	117	n = sprintf(buf, "%02x%02x%02x%02x%02x\n",
	118	pcf->resume_reason[0],
	119	pcf->resume_reason[1],
	120	pcf->resume_reason[2],
	121	pcf->resume_reason[3],
	122	pcf->resume_reason[4]);
	123
	124	return n;
	125	}
	126	static DEVICE_ATTR(resume_reason, 0400, show_resume_reason, NULL);
	127
	128	static struct attribute *pcf_sysfs_entries[] = {
	129	&dev_attr_dump_regs.attr,
	130	&dev_attr_resume_reason.attr,
	131	NULL,
	132	};
	133
	134	static struct attribute_group pcf_attr_group = {
	135	.name = NULL, /* put in device directory */
	136	.attrs = pcf_sysfs_entries,
	137	};
	138
f52046b1 BR	139	static void
	140	pcf50633_client_dev_register(struct pcf50633 pcf, const char name,
	141	struct platform_device **pdev)
	142	{
f52046b1 BR	143	int ret;
	144
	145	*pdev = platform_device_alloc(name, -1);
	146	if (!*pdev) {
f058aa3f	147	dev_err(pcf->dev, "Failed to allocate %s\n", name);
f52046b1 BR	148	return;
	149	}
	150
f52046b1 BR	151	(*pdev)->dev.parent = pcf->dev;
	152
	153	ret = platform_device_add(*pdev);
	154	if (ret) {
	155	dev_err(pcf->dev, "Failed to register %s: %d\n", name, ret);
	156	platform_device_put(*pdev);
	157	*pdev = NULL;
	158	}
	159	}
	160
939941d4 MB	161	#ifdef CONFIG_PM_SLEEP
939941d4 MB	162	static int pcf50633_suspend(struct device *dev)
f52046b1	163	{
939941d4 MB	164	struct i2c_client *client = to_i2c_client(dev);
939941d4 MB	165	struct pcf50633 *pcf = i2c_get_clientdata(client);
f52046b1	166
380c09f6	167	return pcf50633_irq_suspend(pcf);
f52046b1 BR	168	}
f52046b1 BR	169
939941d4	170	static int pcf50633_resume(struct device *dev)
f52046b1	171	{
939941d4 MB	172	struct i2c_client *client = to_i2c_client(dev);
939941d4 MB	173	struct pcf50633 *pcf = i2c_get_clientdata(client);
f52046b1	174
380c09f6	175	return pcf50633_irq_resume(pcf);
f52046b1	176	}
f52046b1 BR	177	#endif
f52046b1 BR	178
939941d4 MB	179	static SIMPLE_DEV_PM_OPS(pcf50633_pm, pcf50633_suspend, pcf50633_resume);
939941d4 MB	180
1590d4a1	181	static const struct regmap_config pcf50633_regmap_config = {
6e3ad118 MB	182	.reg_bits = 8,
	183	.val_bits = 8,
	184	};
	185
f791be49	186	static int pcf50633_probe(struct i2c_client *client,
f52046b1 BR	187	const struct i2c_device_id *ids)
	188	{
	189	struct pcf50633 *pcf;
cddc1141	190	struct platform_device *pdev;
334a41ce	191	struct pcf50633_platform_data *pdata = dev_get_platdata(&client->dev);
cddc1141	192	int i, j, ret;
f52046b1 BR	193	int version, variant;
f52046b1 BR	194
24213ae1 LPC	195	if (!client->irq) {
	196	dev_err(&client->dev, "Missing IRQ\n");
	197	return -ENOENT;
	198	}
	199
aa4603a0	200	pcf = devm_kzalloc(&client->dev, sizeof(*pcf), GFP_KERNEL);
f52046b1 BR	201	if (!pcf)
	202	return -ENOMEM;
	203
b30dd8f2 AL	204	i2c_set_clientdata(client, pcf);
b30dd8f2 AL	205	pcf->dev = &client->dev;
f52046b1 BR	206	pcf->pdata = pdata;
	207
	208	mutex_init(&pcf->lock);
	209
aa4603a0	210	pcf->regmap = devm_regmap_init_i2c(client, &pcf50633_regmap_config);
6e3ad118 MB	211	if (IS_ERR(pcf->regmap)) {
6e3ad118 MB	212	ret = PTR_ERR(pcf->regmap);
aa4603a0 AL	213	dev_err(pcf->dev, "Failed to allocate register map: %d\n", ret);
aa4603a0 AL	214	return ret;
6e3ad118 MB	215	}
6e3ad118 MB	216
f52046b1 BR	217	version = pcf50633_reg_read(pcf, 0);
	218	variant = pcf50633_reg_read(pcf, 1);
	219	if (version < 0 \|\| variant < 0) {
	220	dev_err(pcf->dev, "Unable to probe pcf50633\n");
	221	ret = -ENODEV;
aa4603a0	222	return ret;
f52046b1 BR	223	}
	224
	225	dev_info(pcf->dev, "Probed device version %d variant %d\n",
	226	version, variant);
	227
380c09f6	228	pcf50633_irq_init(pcf, client->irq);
24213ae1	229
f52046b1	230	/* Create sub devices */
aa4603a0 AL	231	pcf50633_client_dev_register(pcf, "pcf50633-input", &pcf->input_pdev);
	232	pcf50633_client_dev_register(pcf, "pcf50633-rtc", &pcf->rtc_pdev);
	233	pcf50633_client_dev_register(pcf, "pcf50633-mbc", &pcf->mbc_pdev);
	234	pcf50633_client_dev_register(pcf, "pcf50633-adc", &pcf->adc_pdev);
	235	pcf50633_client_dev_register(pcf, "pcf50633-backlight", &pcf->bl_pdev);
f5bf403a	236
f52046b1 BR	237
f52046b1 BR	238	for (i = 0; i < PCF50633_NUM_REGULATORS; i++) {
561427f5	239	pdev = platform_device_alloc("pcf50633-regulator", i);
52a3a374 CJ	240	if (!pdev) {
	241	ret = -ENOMEM;
	242	goto err2;
	243	}
f52046b1 BR	244
f52046b1 BR	245	pdev->dev.parent = pcf->dev;
c981015e LJ	246	ret = platform_device_add_data(pdev, &pdata->reg_init_data[i],
c981015e LJ	247	sizeof(pdata->reg_init_data[i]));
cddc1141 LJ	248	if (ret)
	249	goto err;
	250
	251	ret = platform_device_add(pdev);
	252	if (ret)
	253	goto err;
f52046b1	254
cddc1141	255	pcf->regulator_pdev[i] = pdev;
f52046b1 BR	256	}
f52046b1 BR	257
f52046b1 BR	258	ret = sysfs_create_group(&client->dev.kobj, &pcf_attr_group);
f52046b1 BR	259	if (ret)
cddc1141	260	dev_warn(pcf->dev, "error creating sysfs entries\n");
f52046b1 BR	261
	262	if (pdata->probe_done)
	263	pdata->probe_done(pcf);
	264
	265	return 0;
cddc1141 LJ	266
	267	err:
	268	platform_device_put(pdev);
52a3a374	269	err2:
cddc1141 LJ	270	for (j = 0; j < i; j++)
	271	platform_device_put(pcf->regulator_pdev[j]);
	272
	273	return ret;
f52046b1 BR	274	}
f52046b1 BR	275
4740f73f	276	static int pcf50633_remove(struct i2c_client *client)
f52046b1 BR	277	{
	278	struct pcf50633 *pcf = i2c_get_clientdata(client);
	279	int i;
	280
8220fe4c	281	sysfs_remove_group(&client->dev.kobj, &pcf_attr_group);
380c09f6	282	pcf50633_irq_free(pcf);
f52046b1 BR	283
	284	platform_device_unregister(pcf->input_pdev);
	285	platform_device_unregister(pcf->rtc_pdev);
	286	platform_device_unregister(pcf->mbc_pdev);
	287	platform_device_unregister(pcf->adc_pdev);
8220fe4c	288	platform_device_unregister(pcf->bl_pdev);
f52046b1 BR	289
	290	for (i = 0; i < PCF50633_NUM_REGULATORS; i++)
	291	platform_device_unregister(pcf->regulator_pdev[i]);
	292
f52046b1 BR	293	return 0;
	294	}
	295
1206552b	296	static const struct i2c_device_id pcf50633_id_table[] = {
f52046b1	297	{"pcf50633", 0x73},
8915e540	298	{/* end of list */}
f52046b1	299	};
7679089d	300	MODULE_DEVICE_TABLE(i2c, pcf50633_id_table);
f52046b1 BR	301
	302	static struct i2c_driver pcf50633_driver = {
	303	.driver = {
	304	.name = "pcf50633",
939941d4	305	.pm = &pcf50633_pm,
f52046b1 BR	306	},
	307	.id_table = pcf50633_id_table,
	308	.probe = pcf50633_probe,
84449216	309	.remove = pcf50633_remove,
f52046b1 BR	310	};
	311
	312	static int __init pcf50633_init(void)
	313	{
	314	return i2c_add_driver(&pcf50633_driver);
	315	}
	316
	317	static void __exit pcf50633_exit(void)
	318	{
	319	i2c_del_driver(&pcf50633_driver);
	320	}
	321
	322	MODULE_DESCRIPTION("I2C chip driver for NXP PCF50633 PMU");
	323	MODULE_AUTHOR("Harald Welte <laforge@openmoko.org>");
	324	MODULE_LICENSE("GPL");
	325
2021de87	326	subsys_initcall(pcf50633_init);
f52046b1	327	module_exit(pcf50633_exit);