[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / usb / dvb-usb / dvb-usb-init.c

/*
 * DVB USB library - provides a generic interface for a DVB USB device driver.
 *
 * dvb-usb-init.c
 *
 * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@desy.de)
 *
 *	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, version 2.
 *
 * see Documentation/dvb/README.dvb-usb for more information
 */
#include "dvb-usb-common.h"

/* debug */
int dvb_usb_debug;
module_param_named(debug, dvb_usb_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,pll=4,ts=8,err=16,rc=32,fw=64,mem=128,uxfer=256  (or-able))." DVB_USB_DEBUG_STATUS);

int dvb_usb_disable_rc_polling;
module_param_named(disable_rc_polling, dvb_usb_disable_rc_polling, int, 0644);
MODULE_PARM_DESC(disable_rc_polling, "disable remote control polling (default: 0).");

static int dvb_usb_force_pid_filter_usage;
module_param_named(force_pid_filter_usage, dvb_usb_force_pid_filter_usage, int, 0444);
MODULE_PARM_DESC(force_pid_filter_usage, "force all dvb-usb-devices to use a PID filter, if any (default: 0).");

static int dvb_usb_adapter_init(struct dvb_usb_device *d, short *adapter_nrs)
{
	struct dvb_usb_adapter *adap;
	int ret, n, o;

	for (n = 0; n < d->props.num_adapters; n++) {
		adap = &d->adapter[n];
		adap->dev = d;
		adap->id  = n;

		memcpy(&adap->props, &d->props.adapter[n], sizeof(struct dvb_usb_adapter_properties));

		for (o = 0; o < adap->props.num_frontends; o++) {
			struct dvb_usb_adapter_fe_properties *props = &adap->props.fe[o];
			/* speed - when running at FULL speed we need a HW PID filter */
			if (d->udev->speed == USB_SPEED_FULL && !(props->caps & DVB_USB_ADAP_HAS_PID_FILTER)) {
				err("This USB2.0 device cannot be run on a USB1.1 port. (it lacks a hardware PID filter)");
				return -ENODEV;
			}

			if ((d->udev->speed == USB_SPEED_FULL && props->caps & DVB_USB_ADAP_HAS_PID_FILTER) ||
				(props->caps & DVB_USB_ADAP_NEED_PID_FILTERING)) {
				info("will use the device's hardware PID filter (table count: %d).", props->pid_filter_count);
				adap->fe_adap[o].pid_filtering  = 1;
				adap->fe_adap[o].max_feed_count = props->pid_filter_count;
			} else {
				info("will pass the complete MPEG2 transport stream to the software demuxer.");
				adap->fe_adap[o].pid_filtering  = 0;
				adap->fe_adap[o].max_feed_count = 255;
			}

			if (!adap->fe_adap[o].pid_filtering &&
				dvb_usb_force_pid_filter_usage &&
				props->caps & DVB_USB_ADAP_HAS_PID_FILTER) {
				info("pid filter enabled by module option.");
				adap->fe_adap[o].pid_filtering  = 1;
				adap->fe_adap[o].max_feed_count = props->pid_filter_count;
			}

			if (props->size_of_priv > 0) {
				adap->fe_adap[o].priv = kzalloc(props->size_of_priv, GFP_KERNEL);
				if (adap->fe_adap[o].priv == NULL) {
					err("no memory for priv for adapter %d fe %d.", n, o);
					return -ENOMEM;
				}
			}
		}

		if (adap->props.size_of_priv > 0) {
			adap->priv = kzalloc(adap->props.size_of_priv, GFP_KERNEL);
			if (adap->priv == NULL) {
				err("no memory for priv for adapter %d.", n);
				return -ENOMEM;
			}
		}

		if ((ret = dvb_usb_adapter_stream_init(adap)) ||
			(ret = dvb_usb_adapter_dvb_init(adap, adapter_nrs)) ||
			(ret = dvb_usb_adapter_frontend_init(adap))) {
			return ret;
		}

		/* use exclusive FE lock if there is multiple shared FEs */
		if (adap->fe_adap[1].fe)
			adap->dvb_adap.mfe_shared = 1;

		d->num_adapters_initialized++;
		d->state |= DVB_USB_STATE_DVB;
	}

	/*
	 * when reloading the driver w/o replugging the device
	 * sometimes a timeout occures, this helps
	 */
	if (d->props.generic_bulk_ctrl_endpoint != 0) {
		usb_clear_halt(d->udev, usb_sndbulkpipe(d->udev, d->props.generic_bulk_ctrl_endpoint));
		usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, d->props.generic_bulk_ctrl_endpoint));
	}

	return 0;
}

static int dvb_usb_adapter_exit(struct dvb_usb_device *d)
{
	int n;

	for (n = 0; n < d->num_adapters_initialized; n++) {
		dvb_usb_adapter_frontend_exit(&d->adapter[n]);
		dvb_usb_adapter_dvb_exit(&d->adapter[n]);
		dvb_usb_adapter_stream_exit(&d->adapter[n]);
		kfree(d->adapter[n].priv);
	}
	d->num_adapters_initialized = 0;
	d->state &= ~DVB_USB_STATE_DVB;
	return 0;
}


/* general initialization functions */
static int dvb_usb_exit(struct dvb_usb_device *d)
{
	deb_info("state before exiting everything: %x\n", d->state);
	dvb_usb_remote_exit(d);
	dvb_usb_adapter_exit(d);
	dvb_usb_i2c_exit(d);
	deb_info("state should be zero now: %x\n", d->state);
	d->state = DVB_USB_STATE_INIT;
	kfree(d->priv);
	kfree(d);
	return 0;
}

static int dvb_usb_init(struct dvb_usb_device *d, short *adapter_nums)
{
	int ret = 0;

	mutex_init(&d->usb_mutex);
	mutex_init(&d->i2c_mutex);

	d->state = DVB_USB_STATE_INIT;

	if (d->props.size_of_priv > 0) {
		d->priv = kzalloc(d->props.size_of_priv, GFP_KERNEL);
		if (d->priv == NULL) {
			err("no memory for priv in 'struct dvb_usb_device'");
			return -ENOMEM;
		}
	}

	/* check the capabilities and set appropriate variables */
	dvb_usb_device_power_ctrl(d, 1);

	if ((ret = dvb_usb_i2c_init(d)) ||
		(ret = dvb_usb_adapter_init(d, adapter_nums))) {
		dvb_usb_exit(d);
		return ret;
	}

	if ((ret = dvb_usb_remote_init(d)))
		err("could not initialize remote control.");

	dvb_usb_device_power_ctrl(d, 0);

	return 0;
}

/* determine the name and the state of the just found USB device */
static struct dvb_usb_device_description *dvb_usb_find_device(struct usb_device *udev, struct dvb_usb_device_properties *props, int *cold)
{
	int i, j;
	struct dvb_usb_device_description *desc = NULL;

	*cold = -1;

	for (i = 0; i < props->num_device_descs; i++) {

		for (j = 0; j < DVB_USB_ID_MAX_NUM && props->devices[i].cold_ids[j] != NULL; j++) {
			deb_info("check for cold %x %x\n", props->devices[i].cold_ids[j]->idVendor, props->devices[i].cold_ids[j]->idProduct);
			if (props->devices[i].cold_ids[j]->idVendor  == le16_to_cpu(udev->descriptor.idVendor) &&
				props->devices[i].cold_ids[j]->idProduct == le16_to_cpu(udev->descriptor.idProduct)) {
				*cold = 1;
				desc = &props->devices[i];
				break;
			}
		}

		if (desc != NULL)
			break;

		for (j = 0; j < DVB_USB_ID_MAX_NUM && props->devices[i].warm_ids[j] != NULL; j++) {
			deb_info("check for warm %x %x\n", props->devices[i].warm_ids[j]->idVendor, props->devices[i].warm_ids[j]->idProduct);
			if (props->devices[i].warm_ids[j]->idVendor == le16_to_cpu(udev->descriptor.idVendor) &&
				props->devices[i].warm_ids[j]->idProduct == le16_to_cpu(udev->descriptor.idProduct)) {
				*cold = 0;
				desc = &props->devices[i];
				break;
			}
		}
	}

	if (desc != NULL && props->identify_state != NULL)
		props->identify_state(udev, props, &desc, cold);

	return desc;
}

int dvb_usb_device_power_ctrl(struct dvb_usb_device *d, int onoff)
{
	if (onoff)
		d->powered++;
	else
		d->powered--;

	if (d->powered == 0 || (onoff && d->powered == 1)) { /* when switching from 1 to 0 or from 0 to 1 */
		deb_info("power control: %d\n", onoff);
		if (d->props.power_ctrl)
			return d->props.power_ctrl(d, onoff);
	}
	return 0;
}

/*
 * USB
 */
int dvb_usb_device_init(struct usb_interface *intf,
			struct dvb_usb_device_properties *props,
			struct module *owner, struct dvb_usb_device **du,
			short *adapter_nums)
{
	struct usb_device *udev = interface_to_usbdev(intf);
	struct dvb_usb_device *d = NULL;
	struct dvb_usb_device_description *desc = NULL;

	int ret = -ENOMEM, cold = 0;

	if (du != NULL)
		*du = NULL;

	if ((desc = dvb_usb_find_device(udev, props, &cold)) == NULL) {
		deb_err("something went very wrong, device was not found in current device list - let's see what comes next.\n");
		return -ENODEV;
	}

	if (cold) {
		info("found a '%s' in cold state, will try to load a firmware", desc->name);
		ret = dvb_usb_download_firmware(udev, props);
		if (!props->no_reconnect || ret != 0)
			return ret;
	}

	info("found a '%s' in warm state.", desc->name);
	d = kzalloc(sizeof(struct dvb_usb_device), GFP_KERNEL);
	if (d == NULL) {
		err("no memory for 'struct dvb_usb_device'");
		return -ENOMEM;
	}

	d->udev = udev;
	memcpy(&d->props, props, sizeof(struct dvb_usb_device_properties));
	d->desc = desc;
	d->owner = owner;

	usb_set_intfdata(intf, d);

	if (du != NULL)
		*du = d;

	ret = dvb_usb_init(d, adapter_nums);

	if (ret == 0)
		info("%s successfully initialized and connected.", desc->name);
	else
		info("%s error while loading driver (%d)", desc->name, ret);
	return ret;
}
EXPORT_SYMBOL(dvb_usb_device_init);

void dvb_usb_device_exit(struct usb_interface *intf)
{
	struct dvb_usb_device *d = usb_get_intfdata(intf);
	const char *name = "generic DVB-USB module";

	usb_set_intfdata(intf, NULL);
	if (d != NULL && d->desc != NULL) {
		name = d->desc->name;
		dvb_usb_exit(d);
	}
	info("%s successfully deinitialized and disconnected.", name);

}
EXPORT_SYMBOL(dvb_usb_device_exit);

MODULE_VERSION("1.0");
MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
MODULE_DESCRIPTION("A library module containing commonly used USB and DVB function USB DVB devices");
MODULE_LICENSE("GPL");
Commit	Line	Data
776338e1 JS	1	/*
	2	* DVB USB library - provides a generic interface for a DVB USB device driver.
	3	*
	4	* dvb-usb-init.c
	5	*
4d43e13f	6	* Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@desy.de)
776338e1 JS	7	*
	8	* This program is free software; you can redistribute it and/or modify it
	9	* under the terms of the GNU General Public License as published by the Free
	10	* Software Foundation, version 2.
	11	*
	12	* see Documentation/dvb/README.dvb-usb for more information
	13	*/
	14	#include "dvb-usb-common.h"
	15
	16	/* debug */
	17	int dvb_usb_debug;
cd3172d7	18	module_param_named(debug, dvb_usb_debug, int, 0644);
4d43e13f	19	MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,pll=4,ts=8,err=16,rc=32,fw=64,mem=128,uxfer=256 (or-able))." DVB_USB_DEBUG_STATUS);
776338e1	20
c9b06fa4 PB	21	int dvb_usb_disable_rc_polling;
	22	module_param_named(disable_rc_polling, dvb_usb_disable_rc_polling, int, 0644);
	23	MODULE_PARM_DESC(disable_rc_polling, "disable remote control polling (default: 0).");
	24
4d43e13f PB	25	static int dvb_usb_force_pid_filter_usage;
4d43e13f PB	26	module_param_named(force_pid_filter_usage, dvb_usb_force_pid_filter_usage, int, 0444);
e927b3fa	27	MODULE_PARM_DESC(force_pid_filter_usage, "force all dvb-usb-devices to use a PID filter, if any (default: 0).");
4d43e13f	28
78e92006	29	static int dvb_usb_adapter_init(struct dvb_usb_device d, short adapter_nrs)
4d43e13f PB	30	{
4d43e13f PB	31	struct dvb_usb_adapter *adap;
77eed219	32	int ret, n, o;
4d43e13f PB	33
	34	for (n = 0; n < d->props.num_adapters; n++) {
	35	adap = &d->adapter[n];
	36	adap->dev = d;
	37	adap->id = n;
	38
	39	memcpy(&adap->props, &d->props.adapter[n], sizeof(struct dvb_usb_adapter_properties));
	40
a214c551 AO	41	for (o = 0; o < adap->props.num_frontends; o++) {
	42	struct dvb_usb_adapter_fe_properties *props = &adap->props.fe[o];
	43	/* speed - when running at FULL speed we need a HW PID filter */
	44	if (d->udev->speed == USB_SPEED_FULL && !(props->caps & DVB_USB_ADAP_HAS_PID_FILTER)) {
	45	err("This USB2.0 device cannot be run on a USB1.1 port. (it lacks a hardware PID filter)");
	46	return -ENODEV;
	47	}
4d43e13f	48
a214c551 AO	49	if ((d->udev->speed == USB_SPEED_FULL && props->caps & DVB_USB_ADAP_HAS_PID_FILTER) \|\|
	50	(props->caps & DVB_USB_ADAP_NEED_PID_FILTERING)) {
	51	info("will use the device's hardware PID filter (table count: %d).", props->pid_filter_count);
	52	adap->fe_adap[o].pid_filtering = 1;
	53	adap->fe_adap[o].max_feed_count = props->pid_filter_count;
	54	} else {
	55	info("will pass the complete MPEG2 transport stream to the software demuxer.");
	56	adap->fe_adap[o].pid_filtering = 0;
	57	adap->fe_adap[o].max_feed_count = 255;
	58	}
4d43e13f	59
a214c551 AO	60	if (!adap->fe_adap[o].pid_filtering &&
	61	dvb_usb_force_pid_filter_usage &&
	62	props->caps & DVB_USB_ADAP_HAS_PID_FILTER) {
	63	info("pid filter enabled by module option.");
	64	adap->fe_adap[o].pid_filtering = 1;
	65	adap->fe_adap[o].max_feed_count = props->pid_filter_count;
	66	}
4d43e13f	67
a214c551 AO	68	if (props->size_of_priv > 0) {
	69	adap->fe_adap[o].priv = kzalloc(props->size_of_priv, GFP_KERNEL);
	70	if (adap->fe_adap[o].priv == NULL) {
	71	err("no memory for priv for adapter %d fe %d.", n, o);
	72	return -ENOMEM;
	73	}
77eed219 MK	74	}
77eed219 MK	75	}
77eed219	76
4d43e13f	77	if (adap->props.size_of_priv > 0) {
cd3172d7	78	adap->priv = kzalloc(adap->props.size_of_priv, GFP_KERNEL);
4d43e13f	79	if (adap->priv == NULL) {
cd3172d7	80	err("no memory for priv for adapter %d.", n);
4d43e13f PB	81	return -ENOMEM;
	82	}
	83	}
	84
	85	if ((ret = dvb_usb_adapter_stream_init(adap)) \|\|
78e92006	86	(ret = dvb_usb_adapter_dvb_init(adap, adapter_nrs)) \|\|
4d43e13f PB	87	(ret = dvb_usb_adapter_frontend_init(adap))) {
	88	return ret;
	89	}
	90
9bd9e3bd	91	/* use exclusive FE lock if there is multiple shared FEs */
77eed219	92	if (adap->fe_adap[1].fe)
9bd9e3bd AP	93	adap->dvb_adap.mfe_shared = 1;
9bd9e3bd AP	94
4d43e13f PB	95	d->num_adapters_initialized++;
	96	d->state \|= DVB_USB_STATE_DVB;
	97	}
	98
	99	/*
	100	* when reloading the driver w/o replugging the device
	101	* sometimes a timeout occures, this helps
	102	*/
	103	if (d->props.generic_bulk_ctrl_endpoint != 0) {
cd3172d7 DC	104	usb_clear_halt(d->udev, usb_sndbulkpipe(d->udev, d->props.generic_bulk_ctrl_endpoint));
cd3172d7 DC	105	usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, d->props.generic_bulk_ctrl_endpoint));
4d43e13f PB	106	}
	107
	108	return 0;
	109	}
	110
	111	static int dvb_usb_adapter_exit(struct dvb_usb_device *d)
	112	{
	113	int n;
cd3172d7	114
4d43e13f PB	115	for (n = 0; n < d->num_adapters_initialized; n++) {
	116	dvb_usb_adapter_frontend_exit(&d->adapter[n]);
	117	dvb_usb_adapter_dvb_exit(&d->adapter[n]);
	118	dvb_usb_adapter_stream_exit(&d->adapter[n]);
	119	kfree(d->adapter[n].priv);
	120	}
	121	d->num_adapters_initialized = 0;
	122	d->state &= ~DVB_USB_STATE_DVB;
	123	return 0;
	124	}
	125
	126
776338e1	127	/* general initialization functions */
15ac8e66	128	static int dvb_usb_exit(struct dvb_usb_device *d)
776338e1	129	{
cd3172d7	130	deb_info("state before exiting everything: %x\n", d->state);
776338e1	131	dvb_usb_remote_exit(d);
4d43e13f	132	dvb_usb_adapter_exit(d);
776338e1	133	dvb_usb_i2c_exit(d);
cd3172d7	134	deb_info("state should be zero now: %x\n", d->state);
776338e1 JS	135	d->state = DVB_USB_STATE_INIT;
	136	kfree(d->priv);
	137	kfree(d);
	138	return 0;
	139	}
	140
78e92006	141	static int dvb_usb_init(struct dvb_usb_device d, short adapter_nums)
776338e1 JS	142	{
	143	int ret = 0;
	144
3593cab5 IM	145	mutex_init(&d->usb_mutex);
3593cab5 IM	146	mutex_init(&d->i2c_mutex);
776338e1 JS	147
	148	d->state = DVB_USB_STATE_INIT;
	149
4d43e13f	150	if (d->props.size_of_priv > 0) {
cd3172d7	151	d->priv = kzalloc(d->props.size_of_priv, GFP_KERNEL);
4d43e13f PB	152	if (d->priv == NULL) {
	153	err("no memory for priv in 'struct dvb_usb_device'");
	154	return -ENOMEM;
a37ddced	155	}
776338e1 JS	156	}
776338e1 JS	157
cd3172d7	158	/* check the capabilities and set appropriate variables */
4d43e13f	159	dvb_usb_device_power_ctrl(d, 1);
776338e1	160
4d43e13f	161	if ((ret = dvb_usb_i2c_init(d)) \|\|
78e92006	162	(ret = dvb_usb_adapter_init(d, adapter_nums))) {
776338e1 JS	163	dvb_usb_exit(d);
	164	return ret;
	165	}
	166
	167	if ((ret = dvb_usb_remote_init(d)))
	168	err("could not initialize remote control.");
	169
4d43e13f	170	dvb_usb_device_power_ctrl(d, 0);
776338e1 JS	171
	172	return 0;
	173	}
	174
	175	/* determine the name and the state of the just found USB device */
cd3172d7	176	static struct dvb_usb_device_description dvb_usb_find_device(struct usb_device udev, struct dvb_usb_device_properties props, int cold)
776338e1	177	{
cd3172d7	178	int i, j;
776338e1	179	struct dvb_usb_device_description *desc = NULL;
cd3172d7	180
776338e1 JS	181	*cold = -1;
	182
	183	for (i = 0; i < props->num_device_descs; i++) {
	184
	185	for (j = 0; j < DVB_USB_ID_MAX_NUM && props->devices[i].cold_ids[j] != NULL; j++) {
cd3172d7	186	deb_info("check for cold %x %x\n", props->devices[i].cold_ids[j]->idVendor, props->devices[i].cold_ids[j]->idProduct);
776338e1 JS	187	if (props->devices[i].cold_ids[j]->idVendor == le16_to_cpu(udev->descriptor.idVendor) &&
	188	props->devices[i].cold_ids[j]->idProduct == le16_to_cpu(udev->descriptor.idProduct)) {
	189	*cold = 1;
	190	desc = &props->devices[i];
	191	break;
	192	}
	193	}
	194
	195	if (desc != NULL)
	196	break;
	197
	198	for (j = 0; j < DVB_USB_ID_MAX_NUM && props->devices[i].warm_ids[j] != NULL; j++) {
cd3172d7	199	deb_info("check for warm %x %x\n", props->devices[i].warm_ids[j]->idVendor, props->devices[i].warm_ids[j]->idProduct);
776338e1 JS	200	if (props->devices[i].warm_ids[j]->idVendor == le16_to_cpu(udev->descriptor.idVendor) &&
	201	props->devices[i].warm_ids[j]->idProduct == le16_to_cpu(udev->descriptor.idProduct)) {
	202	*cold = 0;
	203	desc = &props->devices[i];
	204	break;
	205	}
	206	}
	207	}
	208
	209	if (desc != NULL && props->identify_state != NULL)
cd3172d7	210	props->identify_state(udev, props, &desc, cold);
776338e1 JS	211
	212	return desc;
	213	}
	214
4d43e13f PB	215	int dvb_usb_device_power_ctrl(struct dvb_usb_device *d, int onoff)
4d43e13f PB	216	{
a37ddced PB	217	if (onoff)
	218	d->powered++;
	219	else
	220	d->powered--;
	221
cd3172d7	222	if (d->powered == 0 \|\| (onoff && d->powered == 1)) { /* when switching from 1 to 0 or from 0 to 1 */
a37ddced	223	deb_info("power control: %d\n", onoff);
4d43e13f PB	224	if (d->props.power_ctrl)
	225	return d->props.power_ctrl(d, onoff);
	226	}
	227	return 0;
	228	}
	229
776338e1 JS	230	/*
	231	* USB
	232	*/
78e92006 JG	233	int dvb_usb_device_init(struct usb_interface *intf,
	234	struct dvb_usb_device_properties *props,
	235	struct module owner, struct dvb_usb_device *du,
	236	short *adapter_nums)
776338e1 JS	237	{
	238	struct usb_device *udev = interface_to_usbdev(intf);
	239	struct dvb_usb_device *d = NULL;
	240	struct dvb_usb_device_description *desc = NULL;
	241
cd3172d7	242	int ret = -ENOMEM, cold = 0;
776338e1	243
6ff5ef28 PB	244	if (du != NULL)
	245	*du = NULL;
	246
cd3172d7	247	if ((desc = dvb_usb_find_device(udev, props, &cold)) == NULL) {
776338e1 JS	248	deb_err("something went very wrong, device was not found in current device list - let's see what comes next.\n");
	249	return -ENODEV;
	250	}
	251
	252	if (cold) {
cd3172d7 DC	253	info("found a '%s' in cold state, will try to load a firmware", desc->name);
cd3172d7 DC	254	ret = dvb_usb_download_firmware(udev, props);
5bc63607	255	if (!props->no_reconnect \|\| ret != 0)
776338e1	256	return ret;
d3707add PB	257	}
d3707add PB	258
cd3172d7 DC	259	info("found a '%s' in warm state.", desc->name);
cd3172d7 DC	260	d = kzalloc(sizeof(struct dvb_usb_device), GFP_KERNEL);
d3707add PB	261	if (d == NULL) {
d3707add PB	262	err("no memory for 'struct dvb_usb_device'");
407df293	263	return -ENOMEM;
d3707add	264	}
d3707add PB	265
d3707add PB	266	d->udev = udev;
cd3172d7	267	memcpy(&d->props, props, sizeof(struct dvb_usb_device_properties));
d3707add PB	268	d->desc = desc;
	269	d->owner = owner;
	270
d3707add	271	usb_set_intfdata(intf, d);
776338e1	272
d3707add PB	273	if (du != NULL)
d3707add PB	274	*du = d;
47dc3d68	275
78e92006	276	ret = dvb_usb_init(d, adapter_nums);
776338e1 JS	277
776338e1 JS	278	if (ret == 0)
cd3172d7	279	info("%s successfully initialized and connected.", desc->name);
776338e1	280	else
cd3172d7	281	info("%s error while loading driver (%d)", desc->name, ret);
776338e1 JS	282	return ret;
	283	}
	284	EXPORT_SYMBOL(dvb_usb_device_init);
	285
	286	void dvb_usb_device_exit(struct usb_interface *intf)
	287	{
	288	struct dvb_usb_device *d = usb_get_intfdata(intf);
	289	const char *name = "generic DVB-USB module";
	290
cd3172d7	291	usb_set_intfdata(intf, NULL);
776338e1 JS	292	if (d != NULL && d->desc != NULL) {
	293	name = d->desc->name;
	294	dvb_usb_exit(d);
	295	}
cd3172d7	296	info("%s successfully deinitialized and disconnected.", name);
776338e1 JS	297
	298	}
	299	EXPORT_SYMBOL(dvb_usb_device_exit);
	300
4d43e13f	301	MODULE_VERSION("1.0");
776338e1 JS	302	MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
	303	MODULE_DESCRIPTION("A library module containing commonly used USB and DVB function USB DVB devices");
	304	MODULE_LICENSE("GPL");