Merge commit 'upstream/master'

8 files changed, 2774 insertions, 0 deletions

diff --git a/drivers/media/dvb/siano/Kconfig b/drivers/media/dvb/siano/Kconfig
new file mode 100644
index 00000000000..dd863f26167
--- /dev/null
+++ b/drivers/media/dvb/siano/Kconfig
@@ -0,0 +1,26 @@
+#
+# Siano Mobile Silicon Digital TV device configuration
+#
+
+config DVB_SIANO_SMS1XXX
+	tristate "Siano SMS1XXX USB dongle support"
+	depends on DVB_CORE && USB
+	---help---
+	  Choose Y here if you have a USB dongle with a SMS1XXX chipset.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called sms1xxx.
+
+config DVB_SIANO_SMS1XXX_SMS_IDS
+	bool "Enable support for Siano Mobile Silicon default USB IDs"
+	depends on DVB_SIANO_SMS1XXX
+	default y
+	---help---
+	  Choose Y here if you have a USB dongle with a SMS1XXX chipset
+	  that uses Siano Mobile Silicon's default usb vid:pid.
+
+	  Choose N here if you would prefer to use Siano's external driver.
+
+	  Further documentation on this driver can be found on the WWW at
+	  <http://www.siano-ms.com/>.
+
diff --git a/drivers/media/dvb/siano/Makefile b/drivers/media/dvb/siano/Makefile
new file mode 100644
index 00000000000..ee0737af98c
--- /dev/null
+++ b/drivers/media/dvb/siano/Makefile
@@ -0,0 +1,8 @@
+sms1xxx-objs := smscoreapi.o smsusb.o smsdvb.o sms-cards.o
+
+obj-$(CONFIG_DVB_SIANO_SMS1XXX) += sms1xxx.o
+
+EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core
+
+EXTRA_CFLAGS += $(extra-cflags-y) $(extra-cflags-m)
+
diff --git a/drivers/media/dvb/siano/sms-cards.c b/drivers/media/dvb/siano/sms-cards.c
new file mode 100644
index 00000000000..e7a8ac0c404
--- /dev/null
+++ b/drivers/media/dvb/siano/sms-cards.c
@@ -0,0 +1,102 @@
+/*
+ *  Card-specific functions for the Siano SMS1xxx USB dongle
+ *
+ *  Copyright (c) 2008 Michael Krufky <mkrufky@linuxtv.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 3 as
+ *  published by the Free Software Foundation;
+ *
+ *  Software distributed under the License is distributed on an "AS IS"
+ *  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
+ *
+ *  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "sms-cards.h"
+
+struct usb_device_id smsusb_id_table[] = {
+#ifdef CONFIG_DVB_SIANO_SMS1XXX_SMS_IDS
+	{ USB_DEVICE(0x187f, 0x0010),
+		.driver_info = SMS1XXX_BOARD_SIANO_STELLAR },
+	{ USB_DEVICE(0x187f, 0x0100),
+		.driver_info = SMS1XXX_BOARD_SIANO_STELLAR },
+	{ USB_DEVICE(0x187f, 0x0200),
+		.driver_info = SMS1XXX_BOARD_SIANO_NOVA_A },
+	{ USB_DEVICE(0x187f, 0x0201),
+		.driver_info = SMS1XXX_BOARD_SIANO_NOVA_B },
+	{ USB_DEVICE(0x187f, 0x0300),
+		.driver_info = SMS1XXX_BOARD_SIANO_VEGA },
+#endif
+	{ USB_DEVICE(0x2040, 0x1700),
+		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_CATAMOUNT },
+	{ USB_DEVICE(0x2040, 0x1800),
+		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_OKEMO_A },
+	{ USB_DEVICE(0x2040, 0x1801),
+		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_OKEMO_B },
+	{ USB_DEVICE(0x2040, 0x5500),
+		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
+	{ USB_DEVICE(0x2040, 0x5580),
+		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
+	{ USB_DEVICE(0x2040, 0x5590),
+		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
+	{ }		/* Terminating entry */
+};
+MODULE_DEVICE_TABLE(usb, smsusb_id_table);
+
+static struct sms_board sms_boards[] = {
+	[SMS_BOARD_UNKNOWN] = {
+		.name	= "Unknown board",
+	},
+	[SMS1XXX_BOARD_SIANO_STELLAR] = {
+		.name	= "Siano Stellar Digital Receiver",
+		.type	= SMS_STELLAR,
+		.fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-stellar-dvbt-01.fw",
+	},
+	[SMS1XXX_BOARD_SIANO_NOVA_A] = {
+		.name	= "Siano Nova A Digital Receiver",
+		.type	= SMS_NOVA_A0,
+		.fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-nova-a-dvbt-01.fw",
+	},
+	[SMS1XXX_BOARD_SIANO_NOVA_B] = {
+		.name	= "Siano Nova B Digital Receiver",
+		.type	= SMS_NOVA_B0,
+		.fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-nova-b-dvbt-01.fw",
+	},
+	[SMS1XXX_BOARD_SIANO_VEGA] = {
+		.name	= "Siano Vega Digital Receiver",
+		.type	= SMS_VEGA,
+	},
+	[SMS1XXX_BOARD_HAUPPAUGE_CATAMOUNT] = {
+		.name	= "Hauppauge Catamount",
+		.type	= SMS_STELLAR,
+		.fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-stellar-dvbt-01.fw",
+	},
+	[SMS1XXX_BOARD_HAUPPAUGE_OKEMO_A] = {
+		.name	= "Hauppauge Okemo-A",
+		.type	= SMS_NOVA_A0,
+		.fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-nova-a-dvbt-01.fw",
+	},
+	[SMS1XXX_BOARD_HAUPPAUGE_OKEMO_B] = {
+		.name	= "Hauppauge Okemo-B",
+		.type	= SMS_NOVA_B0,
+		.fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-nova-b-dvbt-01.fw",
+	},
+	[SMS1XXX_BOARD_HAUPPAUGE_WINDHAM] = {
+		.name	= "Hauppauge WinTV-Nova-T-MiniStick",
+		.type	= SMS_NOVA_B0,
+		.fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-hcw-55xxx-dvbt-01.fw",
+	},
+};
+
+struct sms_board *sms_get_board(int id)
+{
+	BUG_ON(id >= ARRAY_SIZE(sms_boards));
+
+	return &sms_boards[id];
+}
+
diff --git a/drivers/media/dvb/siano/sms-cards.h b/drivers/media/dvb/siano/sms-cards.h
new file mode 100644
index 00000000000..83b39bc203f
--- /dev/null
+++ b/drivers/media/dvb/siano/sms-cards.h
@@ -0,0 +1,45 @@
+/*
+ *  Card-specific functions for the Siano SMS1xxx USB dongle
+ *
+ *  Copyright (c) 2008 Michael Krufky <mkrufky@linuxtv.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 3 as
+ *  published by the Free Software Foundation;
+ *
+ *  Software distributed under the License is distributed on an "AS IS"
+ *  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
+ *
+ *  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __SMS_CARDS_H__
+#define __SMS_CARDS_H__
+
+#include <linux/usb.h>
+#include "smscoreapi.h"
+
+#define SMS_BOARD_UNKNOWN 0
+#define SMS1XXX_BOARD_SIANO_STELLAR 1
+#define SMS1XXX_BOARD_SIANO_NOVA_A  2
+#define SMS1XXX_BOARD_SIANO_NOVA_B  3
+#define SMS1XXX_BOARD_SIANO_VEGA    4
+#define SMS1XXX_BOARD_HAUPPAUGE_CATAMOUNT 5
+#define SMS1XXX_BOARD_HAUPPAUGE_OKEMO_A 6
+#define SMS1XXX_BOARD_HAUPPAUGE_OKEMO_B 7
+#define SMS1XXX_BOARD_HAUPPAUGE_WINDHAM 8
+
+struct sms_board {
+	enum sms_device_type_st type;
+	char *name, *fw[DEVICE_MODE_MAX];
+};
+
+struct sms_board *sms_get_board(int id);
+
+extern struct usb_device_id smsusb_id_table[];
+
+#endif /* __SMS_CARDS_H__ */
diff --git a/drivers/media/dvb/siano/smscoreapi.c b/drivers/media/dvb/siano/smscoreapi.c
new file mode 100644
index 00000000000..b4b8ed795c9
--- /dev/null
+++ b/drivers/media/dvb/siano/smscoreapi.c
@@ -0,0 +1,1251 @@
+/*
+ *  Siano core API module
+ *
+ *  This file contains implementation for the interface to sms core component
+ *
+ *  author: Anatoly Greenblat
+ *
+ *  Copyright (c), 2005-2008 Siano Mobile Silicon, Inc.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 3 as
+ *  published by the Free Software Foundation;
+ *
+ *  Software distributed under the License is distributed on an "AS IS"
+ *  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
+ *
+ *  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/dma-mapping.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+
+#include <linux/firmware.h>
+
+#include "smscoreapi.h"
+#include "sms-cards.h"
+
+int sms_debug;
+module_param_named(debug, sms_debug, int, 0644);
+MODULE_PARM_DESC(debug, "set debug level (info=1, adv=2 (or-able))");
+
+struct smscore_device_notifyee_t {
+	struct list_head entry;
+	hotplug_t hotplug;
+};
+
+struct smscore_idlist_t {
+	struct list_head entry;
+	int		id;
+	int		data_type;
+};
+
+struct smscore_client_t {
+	struct list_head entry;
+	struct smscore_device_t *coredev;
+	void			*context;
+	struct list_head 	idlist;
+	onresponse_t	onresponse_handler;
+	onremove_t		onremove_handler;
+};
+
+struct smscore_device_t {
+	struct list_head entry;
+
+	struct list_head clients;
+	struct list_head subclients;
+	spinlock_t		clientslock;
+
+	struct list_head buffers;
+	spinlock_t		bufferslock;
+	int				num_buffers;
+
+	void			*common_buffer;
+	int				common_buffer_size;
+	dma_addr_t		common_buffer_phys;
+
+	void			*context;
+	struct device	*device;
+
+	char			devpath[32];
+	unsigned long	device_flags;
+
+	setmode_t		setmode_handler;
+	detectmode_t	detectmode_handler;
+	sendrequest_t	sendrequest_handler;
+	preload_t		preload_handler;
+	postload_t		postload_handler;
+
+	int				mode, modes_supported;
+
+	struct completion version_ex_done, data_download_done, trigger_done;
+	struct completion init_device_done, reload_start_done, resume_done;
+
+	int board_id;
+};
+
+void smscore_set_board_id(struct smscore_device_t *core, int id)
+{
+	core->board_id = id;
+}
+
+int smscore_get_board_id(struct smscore_device_t *core)
+{
+	return core->board_id;
+}
+
+struct smscore_registry_entry_t {
+	struct list_head entry;
+	char			devpath[32];
+	int				mode;
+	enum sms_device_type_st	type;
+};
+
+struct list_head g_smscore_notifyees;
+struct list_head g_smscore_devices;
+struct mutex g_smscore_deviceslock;
+
+struct list_head g_smscore_registry;
+struct mutex g_smscore_registrylock;
+
+static int default_mode = 4;
+
+module_param(default_mode, int, 0644);
+MODULE_PARM_DESC(default_mode, "default firmware id (device mode)");
+
+static struct smscore_registry_entry_t *smscore_find_registry(char *devpath)
+{
+	struct smscore_registry_entry_t *entry;
+	struct list_head *next;
+
+	kmutex_lock(&g_smscore_registrylock);
+	for (next = g_smscore_registry.next;
+	     next != &g_smscore_registry;
+	     next = next->next) {
+		entry = (struct smscore_registry_entry_t *) next;
+		if (!strcmp(entry->devpath, devpath)) {
+			kmutex_unlock(&g_smscore_registrylock);
+			return entry;
+		}
+	}
+	entry = (struct smscore_registry_entry_t *)
+			kmalloc(sizeof(struct smscore_registry_entry_t),
+				GFP_KERNEL);
+	if (entry) {
+		entry->mode = default_mode;
+		strcpy(entry->devpath, devpath);
+		list_add(&entry->entry, &g_smscore_registry);
+	} else
+		sms_err("failed to create smscore_registry.");
+	kmutex_unlock(&g_smscore_registrylock);
+	return entry;
+}
+
+int smscore_registry_getmode(char *devpath)
+{
+	struct smscore_registry_entry_t *entry;
+
+	entry = smscore_find_registry(devpath);
+	if (entry)
+		return entry->mode;
+	else
+		sms_err("No registry found.");
+
+	return default_mode;
+}
+
+static enum sms_device_type_st smscore_registry_gettype(char *devpath)
+{
+	struct smscore_registry_entry_t *entry;
+
+	entry = smscore_find_registry(devpath);
+	if (entry)
+		return entry->type;
+	else
+		sms_err("No registry found.");
+
+	return -1;
+}
+
+void smscore_registry_setmode(char *devpath, int mode)
+{
+	struct smscore_registry_entry_t *entry;
+
+	entry = smscore_find_registry(devpath);
+	if (entry)
+		entry->mode = mode;
+	else
+		sms_err("No registry found.");
+}
+
+static void smscore_registry_settype(char *devpath,
+				     enum sms_device_type_st type)
+{
+	struct smscore_registry_entry_t *entry;
+
+	entry = smscore_find_registry(devpath);
+	if (entry)
+		entry->type = type;
+	else
+		sms_err("No registry found.");
+}
+
+
+static void list_add_locked(struct list_head *new, struct list_head *head,
+			    spinlock_t *lock)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(lock, flags);
+
+	list_add(new, head);
+
+	spin_unlock_irqrestore(lock, flags);
+}
+
+/**
+ * register a client callback that called when device plugged in/unplugged
+ * NOTE: if devices exist callback is called immediately for each device
+ *
+ * @param hotplug callback
+ *
+ * @return 0 on success, <0 on error.
+ */
+int smscore_register_hotplug(hotplug_t hotplug)
+{
+	struct smscore_device_notifyee_t *notifyee;
+	struct list_head *next, *first;
+	int rc = 0;
+
+	kmutex_lock(&g_smscore_deviceslock);
+
+	notifyee = kmalloc(sizeof(struct smscore_device_notifyee_t),
+			   GFP_KERNEL);
+	if (notifyee) {
+		/* now notify callback about existing devices */
+		first = &g_smscore_devices;
+		for (next = first->next;
+		     next != first && !rc;
+		     next = next->next) {
+			struct smscore_device_t *coredev =
+				(struct smscore_device_t *) next;
+			rc = hotplug(coredev, coredev->device, 1);
+		}
+
+		if (rc >= 0) {
+			notifyee->hotplug = hotplug;
+			list_add(&notifyee->entry, &g_smscore_notifyees);
+		} else
+			kfree(notifyee);
+	} else
+		rc = -ENOMEM;
+
+	kmutex_unlock(&g_smscore_deviceslock);
+
+	return rc;
+}
+
+/**
+ * unregister a client callback that called when device plugged in/unplugged
+ *
+ * @param hotplug callback
+ *
+ */
+void smscore_unregister_hotplug(hotplug_t hotplug)
+{
+	struct list_head *next, *first;
+
+	kmutex_lock(&g_smscore_deviceslock);
+
+	first = &g_smscore_notifyees;
+
+	for (next = first->next; next != first;) {
+		struct smscore_device_notifyee_t *notifyee =
+			(struct smscore_device_notifyee_t *) next;
+		next = next->next;
+
+		if (notifyee->hotplug == hotplug) {
+			list_del(&notifyee->entry);
+			kfree(notifyee);
+		}
+	}
+
+	kmutex_unlock(&g_smscore_deviceslock);
+}
+
+static void smscore_notify_clients(struct smscore_device_t *coredev)
+{
+	struct smscore_client_t *client;
+
+	/* the client must call smscore_unregister_client from remove handler */
+	while (!list_empty(&coredev->clients)) {
+		client = (struct smscore_client_t *) coredev->clients.next;
+		client->onremove_handler(client->context);
+	}
+}
+
+static int smscore_notify_callbacks(struct smscore_device_t *coredev,
+				    struct device *device, int arrival)
+{
+	struct list_head *next, *first;
+	int rc = 0;
+
+	/* note: must be called under g_deviceslock */
+
+	first = &g_smscore_notifyees;
+
+	for (next = first->next; next != first; next = next->next) {
+		rc = ((struct smscore_device_notifyee_t *) next)->
+				hotplug(coredev, device, arrival);
+		if (rc < 0)
+			break;
+	}
+
+	return rc;
+}
+
+static struct
+smscore_buffer_t *smscore_createbuffer(u8 *buffer, void *common_buffer,
+				       dma_addr_t common_buffer_phys)
+{
+	struct smscore_buffer_t *cb =
+		kmalloc(sizeof(struct smscore_buffer_t), GFP_KERNEL);
+	if (!cb) {
+		sms_info("kmalloc(...) failed");
+		return NULL;
+	}
+
+	cb->p = buffer;
+	cb->offset_in_common = buffer - (u8 *) common_buffer;
+	cb->phys = common_buffer_phys + cb->offset_in_common;
+
+	return cb;
+}
+
+/**
+ * creates coredev object for a device, prepares buffers,
+ * creates buffer mappings, notifies registered hotplugs about new device.
+ *
+ * @param params device pointer to struct with device specific parameters
+ *               and handlers
+ * @param coredev pointer to a value that receives created coredev object
+ *
+ * @return 0 on success, <0 on error.
+ */
+int smscore_register_device(struct smsdevice_params_t *params,
+			    struct smscore_device_t **coredev)
+{
+	struct smscore_device_t *dev;
+	u8 *buffer;
+
+	dev = kzalloc(sizeof(struct smscore_device_t), GFP_KERNEL);
+	if (!dev) {
+		sms_info("kzalloc(...) failed");
+		return -ENOMEM;
+	}
+
+	/* init list entry so it could be safe in smscore_unregister_device */
+	INIT_LIST_HEAD(&dev->entry);
+
+	/* init queues */
+	INIT_LIST_HEAD(&dev->clients);
+	INIT_LIST_HEAD(&dev->buffers);
+
+	/* init locks */
+	spin_lock_init(&dev->clientslock);
+	spin_lock_init(&dev->bufferslock);
+
+	/* init completion events */
+	init_completion(&dev->version_ex_done);
+	init_completion(&dev->data_download_done);
+	init_completion(&dev->trigger_done);
+	init_completion(&dev->init_device_done);
+	init_completion(&dev->reload_start_done);
+	init_completion(&dev->resume_done);
+
+	/* alloc common buffer */
+	dev->common_buffer_size = params->buffer_size * params->num_buffers;
+	dev->common_buffer = dma_alloc_coherent(NULL, dev->common_buffer_size,
+						&dev->common_buffer_phys,
+						GFP_KERNEL | GFP_DMA);
+	if (!dev->common_buffer) {
+		smscore_unregister_device(dev);
+		return -ENOMEM;
+	}
+
+	/* prepare dma buffers */
+	for (buffer = dev->common_buffer;
+	     dev->num_buffers < params->num_buffers;
+	     dev->num_buffers++, buffer += params->buffer_size) {
+		struct smscore_buffer_t *cb =
+			smscore_createbuffer(buffer, dev->common_buffer,
+					     dev->common_buffer_phys);
+		if (!cb) {
+			smscore_unregister_device(dev);
+			return -ENOMEM;
+		}
+
+		smscore_putbuffer(dev, cb);
+	}
+
+	sms_info("allocated %d buffers", dev->num_buffers);
+
+	dev->mode = DEVICE_MODE_NONE;
+	dev->context = params->context;
+	dev->device = params->device;
+	dev->setmode_handler = params->setmode_handler;
+	dev->detectmode_handler = params->detectmode_handler;
+	dev->sendrequest_handler = params->sendrequest_handler;
+	dev->preload_handler = params->preload_handler;
+	dev->postload_handler = params->postload_handler;
+
+	dev->device_flags = params->flags;
+	strcpy(dev->devpath, params->devpath);
+
+	smscore_registry_settype(dev->devpath, params->device_type);
+
+	/* add device to devices list */
+	kmutex_lock(&g_smscore_deviceslock);
+	list_add(&dev->entry, &g_smscore_devices);
+	kmutex_unlock(&g_smscore_deviceslock);
+
+	*coredev = dev;
+
+	sms_info("device %p created", dev);
+
+	return 0;
+}
+
+/**
+ * sets initial device mode and notifies client hotplugs that device is ready
+ *
+ * @param coredev pointer to a coredev object returned by
+ * 		  smscore_register_device
+ *
+ * @return 0 on success, <0 on error.
+ */
+int smscore_start_device(struct smscore_device_t *coredev)
+{
+	int rc = smscore_set_device_mode(
+			coredev, smscore_registry_getmode(coredev->devpath));
+	if (rc < 0) {
+		sms_info("set device mode faile , rc %d", rc);
+		return rc;
+	}
+
+	kmutex_lock(&g_smscore_deviceslock);
+
+	rc = smscore_notify_callbacks(coredev, coredev->device, 1);
+
+	sms_info("device %p started, rc %d", coredev, rc);
+
+	kmutex_unlock(&g_smscore_deviceslock);
+
+	return rc;
+}
+
+static int smscore_sendrequest_and_wait(struct smscore_device_t *coredev,
+					void *buffer, size_t size,
+					struct completion *completion)
+{
+	int rc = coredev->sendrequest_handler(coredev->context, buffer, size);
+	if (rc < 0) {
+		sms_info("sendrequest returned error %d", rc);
+		return rc;
+	}
+
+	return wait_for_completion_timeout(completion,
+					   msecs_to_jiffies(10000)) ?
+						0 : -ETIME;
+}
+
+static int smscore_load_firmware_family2(struct smscore_device_t *coredev,
+					 void *buffer, size_t size)
+{
+	struct SmsFirmware_ST *firmware = (struct SmsFirmware_ST *) buffer;
+	struct SmsMsgHdr_ST *msg;
+	u32 mem_address = firmware->StartAddress;
+	u8 *payload = firmware->Payload;
+	int rc = 0;
+
+	sms_info("loading FW to addr 0x%x size %d",
+		 mem_address, firmware->Length);
+	if (coredev->preload_handler) {
+		rc = coredev->preload_handler(coredev->context);
+		if (rc < 0)
+			return rc;
+	}
+
+	/* PAGE_SIZE buffer shall be enough and dma aligned */
+	msg = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA);
+	if (!msg)
+		return -ENOMEM;
+
+	if (coredev->mode != DEVICE_MODE_NONE) {
+		sms_debug("sending reload command.");
+		SMS_INIT_MSG(msg, MSG_SW_RELOAD_START_REQ,
+			     sizeof(struct SmsMsgHdr_ST));
+		rc = smscore_sendrequest_and_wait(coredev, msg,
+						  msg->msgLength,
+						  &coredev->reload_start_done);
+		mem_address = *(u32 *) &payload[20];
+	}
+
+	while (size && rc >= 0) {
+		struct SmsDataDownload_ST *DataMsg =
+			(struct SmsDataDownload_ST *) msg;
+		int payload_size = min((int) size, SMS_MAX_PAYLOAD_SIZE);
+
+		SMS_INIT_MSG(msg, MSG_SMS_DATA_DOWNLOAD_REQ,
+			     (u16)(sizeof(struct SmsMsgHdr_ST) +
+				      sizeof(u32) + payload_size));
+
+		DataMsg->MemAddr = mem_address;
+		memcpy(DataMsg->Payload, payload, payload_size);
+
+		if ((coredev->device_flags & SMS_ROM_NO_RESPONSE) &&
+		    (coredev->mode == DEVICE_MODE_NONE))
+			rc = coredev->sendrequest_handler(
+				coredev->context, DataMsg,
+				DataMsg->xMsgHeader.msgLength);
+		else
+			rc = smscore_sendrequest_and_wait(
+				coredev, DataMsg,
+				DataMsg->xMsgHeader.msgLength,
+				&coredev->data_download_done);
+
+		payload += payload_size;
+		size -= payload_size;
+		mem_address += payload_size;
+	}
+
+	if (rc >= 0) {
+		if (coredev->mode == DEVICE_MODE_NONE) {
+			struct SmsMsgData_ST *TriggerMsg =
+				(struct SmsMsgData_ST *) msg;
+
+			SMS_INIT_MSG(msg, MSG_SMS_SWDOWNLOAD_TRIGGER_REQ,
+				     sizeof(struct SmsMsgHdr_ST) +
+				     sizeof(u32) * 5);
+
+			TriggerMsg->msgData[0] = firmware->StartAddress;
+						/* Entry point */
+			TriggerMsg->msgData[1] = 5; /* Priority */
+			TriggerMsg->msgData[2] = 0x200; /* Stack size */
+			TriggerMsg->msgData[3] = 0; /* Parameter */
+			TriggerMsg->msgData[4] = 4; /* Task ID */
+
+			if (coredev->device_flags & SMS_ROM_NO_RESPONSE) {
+				rc = coredev->sendrequest_handler(
+					coredev->context, TriggerMsg,
+					TriggerMsg->xMsgHeader.msgLength);
+				msleep(100);
+			} else
+				rc = smscore_sendrequest_and_wait(
+					coredev, TriggerMsg,
+					TriggerMsg->xMsgHeader.msgLength,
+					&coredev->trigger_done);
+		} else {
+			SMS_INIT_MSG(msg, MSG_SW_RELOAD_EXEC_REQ,
+				     sizeof(struct SmsMsgHdr_ST));
+
+			rc = coredev->sendrequest_handler(coredev->context,
+							  msg, msg->msgLength);
+		}
+		msleep(500);
+	}
+
+	sms_debug("rc=%d, postload=%p ", rc,
+		  coredev->postload_handler);
+
+	kfree(msg);
+
+	return ((rc >= 0) && coredev->postload_handler) ?
+		coredev->postload_handler(coredev->context) :
+		rc;
+}
+
+/**
+ * loads specified firmware into a buffer and calls device loadfirmware_handler
+ *
+ * @param coredev pointer to a coredev object returned by
+ *                smscore_register_device
+ * @param filename null-terminated string specifies firmware file name
+ * @param loadfirmware_handler device handler that loads firmware
+ *
+ * @return 0 on success, <0 on error.
+ */
+static int smscore_load_firmware_from_file(struct smscore_device_t *coredev,
+					   char *filename,
+					   loadfirmware_t loadfirmware_handler)
+{
+	int rc = -ENOENT;
+	const struct firmware *fw;
+	u8 *fw_buffer;
+
+	if (loadfirmware_handler == NULL && !(coredev->device_flags &
+					      SMS_DEVICE_FAMILY2))
+		return -EINVAL;
+
+	rc = request_firmware(&fw, filename, coredev->device);
+	if (rc < 0) {
+		sms_info("failed to open \"%s\"", filename);
+		return rc;
+	}
+	sms_info("read FW %s, size=%zd", filename, fw->size);
+	fw_buffer = kmalloc(ALIGN(fw->size, SMS_ALLOC_ALIGNMENT),
+			    GFP_KERNEL | GFP_DMA);
+	if (fw_buffer) {
+		memcpy(fw_buffer, fw->data, fw->size);
+
+		rc = (coredev->device_flags & SMS_DEVICE_FAMILY2) ?
+		      smscore_load_firmware_family2(coredev,
+						    fw_buffer,
+						    fw->size) :
+		      loadfirmware_handler(coredev->context,
+					   fw_buffer, fw->size);
+
+		kfree(fw_buffer);
+	} else {
+		sms_info("failed to allocate firmware buffer");
+		rc = -ENOMEM;
+	}
+
+	release_firmware(fw);
+
+	return rc;
+}
+
+/**
+ * notifies all clients registered with the device, notifies hotplugs,
+ * frees all buffers and coredev object
+ *
+ * @param coredev pointer to a coredev object returned by
+ *                smscore_register_device
+ *
+ * @return 0 on success, <0 on error.
+ */
+void smscore_unregister_device(struct smscore_device_t *coredev)
+{
+	struct smscore_buffer_t *cb;
+	int num_buffers = 0;
+	int retry = 0;
+
+	kmutex_lock(&g_smscore_deviceslock);
+
+	smscore_notify_clients(coredev);
+	smscore_notify_callbacks(coredev, NULL, 0);
+
+	/* at this point all buffers should be back
+	 * onresponse must no longer be called */
+
+	while (1) {
+		while ((cb = smscore_getbuffer(coredev))) {
+			kfree(cb);
+			num_buffers++;
+		}
+		if (num_buffers == coredev->num_buffers)
+			break;
+		if (++retry > 10) {
+			sms_info("exiting although "
+				 "not all buffers released.");
+			break;
+		}
+
+		sms_info("waiting for %d buffer(s)",
+			 coredev->num_buffers - num_buffers);
+		msleep(100);
+	}
+
+	sms_info("freed %d buffers", num_buffers);
+
+	if (coredev->common_buffer)
+		dma_free_coherent(NULL, coredev->common_buffer_size,
+				  coredev->common_buffer,
+				  coredev->common_buffer_phys);
+
+	list_del(&coredev->entry);
+	kfree(coredev);
+
+	kmutex_unlock(&g_smscore_deviceslock);
+
+	sms_info("device %p destroyed", coredev);
+}
+
+static int smscore_detect_mode(struct smscore_device_t *coredev)
+{
+	void *buffer = kmalloc(sizeof(struct SmsMsgHdr_ST) + SMS_DMA_ALIGNMENT,
+			       GFP_KERNEL | GFP_DMA);
+	struct SmsMsgHdr_ST *msg =
+		(struct SmsMsgHdr_ST *) SMS_ALIGN_ADDRESS(buffer);
+	int rc;
+
+	if (!buffer)
+		return -ENOMEM;
+
+	SMS_INIT_MSG(msg, MSG_SMS_GET_VERSION_EX_REQ,
+		     sizeof(struct SmsMsgHdr_ST));
+
+	rc = smscore_sendrequest_and_wait(coredev, msg, msg->msgLength,
+					  &coredev->version_ex_done);
+	if (rc == -ETIME) {
+		sms_err("MSG_SMS_GET_VERSION_EX_REQ failed first try");
+
+		if (wait_for_completion_timeout(&coredev->resume_done,
+						msecs_to_jiffies(5000))) {
+			rc = smscore_sendrequest_and_wait(
+				coredev, msg, msg->msgLength,
+				&coredev->version_ex_done);
+			if (rc < 0)
+				sms_err("MSG_SMS_GET_VERSION_EX_REQ failed "
+					"second try, rc %d", rc);
+		} else
+			rc = -ETIME;
+	}
+
+	kfree(buffer);
+
+	return rc;
+}
+
+static char *smscore_fw_lkup[][SMS_NUM_OF_DEVICE_TYPES] = {
+	/*Stellar		NOVA A0		Nova B0		VEGA*/
+	/*DVBT*/
+	{"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"},
+	/*DVBH*/
+	{"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"},
+	/*TDMB*/
+	{"none", "tdmb_nova_12mhz.inp", "none", "none"},
+	/*DABIP*/
+	{"none", "none", "none", "none"},
+	/*BDA*/
+	{"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"},
+	/*ISDBT*/
+	{"none", "isdbt_nova_12mhz.inp", "dvb_nova_12mhz.inp", "none"},
+	/*ISDBTBDA*/
+	{"none", "isdbt_nova_12mhz.inp", "isdbt_nova_12mhz_b0.inp", "none"},
+	/*CMMB*/
+	{"none", "none", "none", "cmmb_vega_12mhz.inp"}
+};
+
+static inline char *sms_get_fw_name(struct smscore_device_t *coredev,
+				    int mode, enum sms_device_type_st type)
+{
+	char **fw = sms_get_board(smscore_get_board_id(coredev))->fw;
+	return (fw && fw[mode]) ? fw[mode] : smscore_fw_lkup[mode][type];
+}
+
+/**
+ * calls device handler to change mode of operation
+ * NOTE: stellar/usb may disconnect when changing mode
+ *
+ * @param coredev pointer to a coredev object returned by
+ *                smscore_register_device
+ * @param mode requested mode of operation
+ *
+ * @return 0 on success, <0 on error.
+ */
+int smscore_set_device_mode(struct smscore_device_t *coredev, int mode)
+{
+	void *buffer;
+	int rc = 0;
+	enum sms_device_type_st type;
+
+	sms_debug("set device mode to %d", mode);
+	if (coredev->device_flags & SMS_DEVICE_FAMILY2) {
+		if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_RAW_TUNER) {
+			sms_err("invalid mode specified %d", mode);
+			return -EINVAL;
+		}
+
+		smscore_registry_setmode(coredev->devpath, mode);
+
+		if (!(coredev->device_flags & SMS_DEVICE_NOT_READY)) {
+			rc = smscore_detect_mode(coredev);
+			if (rc < 0) {
+				sms_err("mode detect failed %d", rc);
+				return rc;
+			}
+		}
+
+		if (coredev->mode == mode) {
+			sms_info("device mode %d already set", mode);
+			return 0;
+		}
+
+		if (!(coredev->modes_supported & (1 << mode))) {
+			char *fw_filename;
+
+			type = smscore_registry_gettype(coredev->devpath);
+			fw_filename = sms_get_fw_name(coredev, mode, type);
+
+			rc = smscore_load_firmware_from_file(coredev,
+							     fw_filename, NULL);
+			if (rc < 0) {
+				sms_warn("error %d loading firmware: %s, "
+					 "trying again with default firmware",
+					 rc, fw_filename);
+
+				/* try again with the default firmware */
+				fw_filename = smscore_fw_lkup[mode][type];
+				rc = smscore_load_firmware_from_file(coredev,
+							     fw_filename, NULL);
+
+				if (rc < 0) {
+					sms_warn("error %d loading "
+						 "firmware: %s", rc,
+						 fw_filename);
+					return rc;
+				}
+			}
+			sms_log("firmware download success: %s", fw_filename);
+		} else
+			sms_info("mode %d supported by running "
+				 "firmware", mode);
+
+		buffer = kmalloc(sizeof(struct SmsMsgData_ST) +
+				 SMS_DMA_ALIGNMENT, GFP_KERNEL | GFP_DMA);
+		if (buffer) {
+			struct SmsMsgData_ST *msg =
+				(struct SmsMsgData_ST *)
+					SMS_ALIGN_ADDRESS(buffer);
+
+			SMS_INIT_MSG(&msg->xMsgHeader, MSG_SMS_INIT_DEVICE_REQ,
+				     sizeof(struct SmsMsgData_ST));
+			msg->msgData[0] = mode;
+
+			rc = smscore_sendrequest_and_wait(
+				coredev, msg, msg->xMsgHeader.msgLength,
+				&coredev->init_device_done);
+
+			kfree(buffer);
+		} else {
+			sms_err("Could not allocate buffer for "
+				"init device message.");
+			rc = -ENOMEM;
+		}
+	} else {
+		if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) {
+			sms_err("invalid mode specified %d", mode);
+			return -EINVAL;
+		}
+
+		smscore_registry_setmode(coredev->devpath, mode);
+
+		if (coredev->detectmode_handler)
+			coredev->detectmode_handler(coredev->context,
+						    &coredev->mode);
+
+		if (coredev->mode != mode && coredev->setmode_handler)
+			rc = coredev->setmode_handler(coredev->context, mode);
+	}
+
+	if (rc >= 0) {
+		coredev->mode = mode;
+		coredev->device_flags &= ~SMS_DEVICE_NOT_READY;
+	}
+
+	if (rc != 0)
+		sms_err("return error code %d.", rc);
+	return rc;
+}
+
+/**
+ * calls device handler to get current mode of operation
+ *
+ * @param coredev pointer to a coredev object returned by
+ *                smscore_register_device
+ *
+ * @return current mode
+ */
+int smscore_get_device_mode(struct smscore_device_t *coredev)
+{
+	return coredev->mode;
+}
+
+/**
+ * find client by response id & type within the clients list.
+ * return client handle or NULL.
+ *
+ * @param coredev pointer to a coredev object returned by
+ *                smscore_register_device
+ * @param data_type client data type (SMS_DONT_CARE for all types)
+ * @param id client id (SMS_DONT_CARE for all id)
+ *
+ */
+static struct
+smscore_client_t *smscore_find_client(struct smscore_device_t *coredev,
+				      int data_type, int id)
+{
+	struct smscore_client_t *client = NULL;
+	struct list_head *next, *first;
+	unsigned long flags;
+	struct list_head *firstid, *nextid;
+
+
+	spin_lock_irqsave(&coredev->clientslock, flags);
+	first = &coredev->clients;
+	for (next = first->next;
+	     (next != first) && !client;
+	     next = next->next) {
+		firstid = &((struct smscore_client_t *)next)->idlist;
+		for (nextid = firstid->next;
+		     nextid != firstid;
+		     nextid = nextid->next) {
+			if ((((struct smscore_idlist_t *)nextid)->id == id) &&
+			    (((struct smscore_idlist_t *)nextid)->data_type == data_type ||
+			    (((struct smscore_idlist_t *)nextid)->data_type == 0))) {
+				client = (struct smscore_client_t *) next;
+				break;
+			}
+		}
+	}
+	spin_unlock_irqrestore(&coredev->clientslock, flags);
+	return client;
+}
+
+/**
+ * find client by response id/type, call clients onresponse handler
+ * return buffer to pool on error
+ *
+ * @param coredev pointer to a coredev object returned by
+ *                smscore_register_device
+ * @param cb pointer to response buffer descriptor
+ *
+ */
+void smscore_onresponse(struct smscore_device_t *coredev,
+			struct smscore_buffer_t *cb)
+{
+	struct SmsMsgHdr_ST *phdr =
+		(struct SmsMsgHdr_ST *)((u8 *) cb->p + cb->offset);
+	struct smscore_client_t *client =
+		smscore_find_client(coredev, phdr->msgType, phdr->msgDstId);
+	int rc = -EBUSY;
+
+	static unsigned long last_sample_time; /* = 0; */
+	static int data_total; /* = 0; */
+	unsigned long time_now = jiffies_to_msecs(jiffies);
+
+	if (!last_sample_time)
+		last_sample_time = time_now;
+
+	if (time_now - last_sample_time > 10000) {
+		sms_debug("\ndata rate %d bytes/secs",
+			  (int)((data_total * 1000) /
+				(time_now - last_sample_time)));
+
+		last_sample_time = time_now;
+		data_total = 0;
+	}
+
+	data_total += cb->size;
+	/* If no client registered for type & id,
+	 * check for control client where type is not registered */
+	if (client)
+		rc = client->onresponse_handler(client->context, cb);
+
+	if (rc < 0) {
+		switch (phdr->msgType) {
+		case MSG_SMS_GET_VERSION_EX_RES:
+		{
+			struct SmsVersionRes_ST *ver =
+				(struct SmsVersionRes_ST *) phdr;
+			sms_debug("MSG_SMS_GET_VERSION_EX_RES "
+				  "id %d prots 0x%x ver %d.%d",
+				  ver->FirmwareId, ver->SupportedProtocols,
+				  ver->RomVersionMajor, ver->RomVersionMinor);
+
+			coredev->mode = ver->FirmwareId == 255 ?
+				DEVICE_MODE_NONE : ver->FirmwareId;
+			coredev->modes_supported = ver->SupportedProtocols;
+
+			complete(&coredev->version_ex_done);
+			break;
+		}
+		case MSG_SMS_INIT_DEVICE_RES:
+			sms_debug("MSG_SMS_INIT_DEVICE_RES");
+			complete(&coredev->init_device_done);
+			break;
+		case MSG_SW_RELOAD_START_RES:
+			sms_debug("MSG_SW_RELOAD_START_RES");
+			complete(&coredev->reload_start_done);
+			break;
+		case MSG_SMS_DATA_DOWNLOAD_RES:
+			complete(&coredev->data_download_done);
+			break;
+		case MSG_SW_RELOAD_EXEC_RES:
+			sms_debug("MSG_SW_RELOAD_EXEC_RES");
+			break;
+		case MSG_SMS_SWDOWNLOAD_TRIGGER_RES:
+			sms_debug("MSG_SMS_SWDOWNLOAD_TRIGGER_RES");
+			complete(&coredev->trigger_done);
+			break;
+		case MSG_SMS_SLEEP_RESUME_COMP_IND:
+			complete(&coredev->resume_done);
+			break;
+		default:
+			break;
+		}
+		smscore_putbuffer(coredev, cb);
+	}
+}
+
+/**
+ * return pointer to next free buffer descriptor from core pool
+ *
+ * @param coredev pointer to a coredev object returned by
+ *                smscore_register_device
+ *
+ * @return pointer to descriptor on success, NULL on error.
+ */
+struct smscore_buffer_t *smscore_getbuffer(struct smscore_device_t *coredev)
+{
+	struct smscore_buffer_t *cb = NULL;
+	unsigned long flags;
+
+	spin_lock_irqsave(&coredev->bufferslock, flags);
+
+	if (!list_empty(&coredev->buffers)) {
+		cb = (struct smscore_buffer_t *) coredev->buffers.next;
+		list_del(&cb->entry);
+	}
+
+	spin_unlock_irqrestore(&coredev->bufferslock, flags);
+
+	return cb;
+}
+
+/**
+ * return buffer descriptor to a pool
+ *
+ * @param coredev pointer to a coredev object returned by
+ *                smscore_register_device
+ * @param cb pointer buffer descriptor
+ *
+ */
+void smscore_putbuffer(struct smscore_device_t *coredev,
+		       struct smscore_buffer_t *cb)
+{
+	list_add_locked(&cb->entry, &coredev->buffers, &coredev->bufferslock);
+}
+
+static int smscore_validate_client(struct smscore_device_t *coredev,
+				   struct smscore_client_t *client,
+				   int data_type, int id)
+{
+	struct smscore_idlist_t *listentry;
+	struct smscore_client_t *registered_client;
+
+	if (!client) {
+		sms_err("bad parameter.");
+		return -EFAULT;
+	}
+	registered_client = smscore_find_client(coredev, data_type, id);
+	if (registered_client == client)
+		return 0;
+
+	if (registered_client) {
+		sms_err("The msg ID already registered to another client.");
+		return -EEXIST;
+	}
+	listentry = kzalloc(sizeof(struct smscore_idlist_t), GFP_KERNEL);
+	if (!listentry) {
+		sms_err("Can't allocate memory for client id.");
+		return -ENOMEM;
+	}
+	listentry->id = id;
+	listentry->data_type = data_type;
+	list_add_locked(&listentry->entry, &client->idlist,
+			&coredev->clientslock);
+	return 0;
+}
+
+/**
+ * creates smsclient object, check that id is taken by another client
+ *
+ * @param coredev pointer to a coredev object from clients hotplug
+ * @param initial_id all messages with this id would be sent to this client
+ * @param data_type all messages of this type would be sent to this client
+ * @param onresponse_handler client handler that is called to
+ *                           process incoming messages
+ * @param onremove_handler client handler that is called when device is removed
+ * @param context client-specific context
+ * @param client pointer to a value that receives created smsclient object
+ *
+ * @return 0 on success, <0 on error.
+ */
+int smscore_register_client(struct smscore_device_t *coredev,
+			    struct smsclient_params_t *params,
+			    struct smscore_client_t **client)
+{
+	struct smscore_client_t *newclient;
+	/* check that no other channel with same parameters exists */
+	if (smscore_find_client(coredev, params->data_type,
+				params->initial_id)) {
+		sms_err("Client already exist.");
+		return -EEXIST;
+	}
+
+	newclient = kzalloc(sizeof(struct smscore_client_t), GFP_KERNEL);
+	if (!newclient) {
+		sms_err("Failed to allocate memory for client.");
+		return -ENOMEM;
+	}
+
+	INIT_LIST_HEAD(&newclient->idlist);
+	newclient->coredev = coredev;
+	newclient->onresponse_handler = params->onresponse_handler;
+	newclient->onremove_handler = params->onremove_handler;
+	newclient->context = params->context;
+	list_add_locked(&newclient->entry, &coredev->clients,
+			&coredev->clientslock);
+	smscore_validate_client(coredev, newclient, params->data_type,
+				params->initial_id);
+	*client = newclient;
+	sms_debug("%p %d %d", params->context, params->data_type,
+		  params->initial_id);
+
+	return 0;
+}
+
+/**
+ * frees smsclient object and all subclients associated with it
+ *
+ * @param client pointer to smsclient object returned by
+ *               smscore_register_client
+ *
+ */
+void smscore_unregister_client(struct smscore_client_t *client)
+{
+	struct smscore_device_t *coredev = client->coredev;
+	unsigned long flags;
+
+	spin_lock_irqsave(&coredev->clientslock, flags);
+
+
+	while (!list_empty(&client->idlist)) {
+		struct smscore_idlist_t *identry =
+			(struct smscore_idlist_t *) client->idlist.next;
+		list_del(&identry->entry);
+		kfree(identry);
+	}
+
+	sms_info("%p", client->context);
+
+	list_del(&client->entry);
+	kfree(client);
+
+	spin_unlock_irqrestore(&coredev->clientslock, flags);
+}
+
+/**
+ * verifies that source id is not taken by another client,
+ * calls device handler to send requests to the device
+ *
+ * @param client pointer to smsclient object returned by
+ *               smscore_register_client
+ * @param buffer pointer to a request buffer
+ * @param size size (in bytes) of request buffer
+ *
+ * @return 0 on success, <0 on error.
+ */
+int smsclient_sendrequest(struct smscore_client_t *client,
+			  void *buffer, size_t size)
+{
+	struct smscore_device_t *coredev;
+	struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) buffer;
+	int rc;
+
+	if (client == NULL) {
+		sms_err("Got NULL client");
+		return -EINVAL;
+	}
+
+	coredev = client->coredev;
+
+	/* check that no other channel with same id exists */
+	if (coredev == NULL) {
+		sms_err("Got NULL coredev");
+		return -EINVAL;
+	}
+
+	rc = smscore_validate_client(client->coredev, client, 0,
+				     phdr->msgSrcId);
+	if (rc < 0)
+		return rc;
+
+	return coredev->sendrequest_handler(coredev->context, buffer, size);
+}
+
+
+int smscore_module_init(void)
+{
+	int rc = 0;
+
+	INIT_LIST_HEAD(&g_smscore_notifyees);
+	INIT_LIST_HEAD(&g_smscore_devices);
+	kmutex_init(&g_smscore_deviceslock);
+
+	INIT_LIST_HEAD(&g_smscore_registry);
+	kmutex_init(&g_smscore_registrylock);
+
+	/* USB Register */
+	rc = smsusb_register();
+
+	/* DVB Register */
+	rc = smsdvb_register();
+
+	sms_debug("rc %d", rc);
+
+	return rc;
+}
+
+void smscore_module_exit(void)
+{
+
+	kmutex_lock(&g_smscore_deviceslock);
+	while (!list_empty(&g_smscore_notifyees)) {
+		struct smscore_device_notifyee_t *notifyee =
+			(struct smscore_device_notifyee_t *)
+				g_smscore_notifyees.next;
+
+		list_del(&notifyee->entry);
+		kfree(notifyee);
+	}
+	kmutex_unlock(&g_smscore_deviceslock);
+
+	kmutex_lock(&g_smscore_registrylock);
+	while (!list_empty(&g_smscore_registry)) {
+		struct smscore_registry_entry_t *entry =
+			(struct smscore_registry_entry_t *)
+				g_smscore_registry.next;
+
+		list_del(&entry->entry);
+		kfree(entry);
+	}
+	kmutex_unlock(&g_smscore_registrylock);
+
+	/* DVB UnRegister */
+	smsdvb_unregister();
+
+	/* Unregister USB */
+	smsusb_unregister();
+
+	sms_debug("");
+}
+
+module_init(smscore_module_init);
+module_exit(smscore_module_exit);
+
+MODULE_DESCRIPTION("Driver for the Siano SMS1XXX USB dongle");
+MODULE_AUTHOR("Siano Mobile Silicon,,, (doronc@siano-ms.com)");
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/dvb/siano/smscoreapi.h b/drivers/media/dvb/siano/smscoreapi.h
new file mode 100644
index 00000000000..c1f8f1dccb1
--- /dev/null
+++ b/drivers/media/dvb/siano/smscoreapi.h
@@ -0,0 +1,434 @@
+/*
+ *  Driver for the Siano SMS1xxx USB dongle
+ *
+ *  author: Anatoly Greenblat
+ *
+ *  Copyright (c), 2005-2008 Siano Mobile Silicon, Inc.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 3 as
+ *  published by the Free Software Foundation;
+ *
+ *  Software distributed under the License is distributed on an "AS IS"
+ *  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
+ *
+ *  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __smscoreapi_h__
+#define __smscoreapi_h__
+
+#include <linux/version.h>
+#include <linux/device.h>
+#include <linux/list.h>
+#include <linux/mm.h>
+#include <linux/scatterlist.h>
+#include <linux/types.h>
+#include <asm/page.h>
+
+#include "dmxdev.h"
+#include "dvbdev.h"
+#include "dvb_demux.h"
+#include "dvb_frontend.h"
+
+#include <linux/mutex.h>
+
+#define kmutex_init(_p_) mutex_init(_p_)
+#define kmutex_lock(_p_) mutex_lock(_p_)
+#define kmutex_trylock(_p_) mutex_trylock(_p_)
+#define kmutex_unlock(_p_) mutex_unlock(_p_)
+
+#ifndef min
+#define min(a, b) (((a) < (b)) ? (a) : (b))
+#endif
+
+#define SMS_ALLOC_ALIGNMENT					128
+#define SMS_DMA_ALIGNMENT					16
+#define SMS_ALIGN_ADDRESS(addr) \
+	((((uintptr_t)(addr)) + (SMS_DMA_ALIGNMENT-1)) & ~(SMS_DMA_ALIGNMENT-1))
+
+#define SMS_DEVICE_FAMILY2					1
+#define SMS_ROM_NO_RESPONSE					2
+#define SMS_DEVICE_NOT_READY				0x8000000
+
+enum sms_device_type_st {
+	SMS_STELLAR = 0,
+	SMS_NOVA_A0,
+	SMS_NOVA_B0,
+	SMS_VEGA,
+	SMS_NUM_OF_DEVICE_TYPES
+};
+
+struct smscore_device_t;
+struct smscore_client_t;
+struct smscore_buffer_t;
+
+typedef int (*hotplug_t)(struct smscore_device_t *coredev,
+			 struct device *device, int arrival);
+
+typedef int (*setmode_t)(void *context, int mode);
+typedef void (*detectmode_t)(void *context, int *mode);
+typedef int (*sendrequest_t)(void *context, void *buffer, size_t size);
+typedef int (*loadfirmware_t)(void *context, void *buffer, size_t size);
+typedef int (*preload_t)(void *context);
+typedef int (*postload_t)(void *context);
+
+typedef int (*onresponse_t)(void *context, struct smscore_buffer_t *cb);
+typedef void (*onremove_t)(void *context);
+
+struct smscore_buffer_t {
+	/* public members, once passed to clients can be changed freely */
+	struct list_head entry;
+	int				size;
+	int				offset;
+
+	/* private members, read-only for clients */
+	void			*p;
+	dma_addr_t		phys;
+	unsigned long	offset_in_common;
+};
+
+struct smsdevice_params_t {
+	struct device	*device;
+
+	int				buffer_size;
+	int				num_buffers;
+
+	char			devpath[32];
+	unsigned long	flags;
+
+	setmode_t		setmode_handler;
+	detectmode_t	detectmode_handler;
+	sendrequest_t	sendrequest_handler;
+	preload_t		preload_handler;
+	postload_t		postload_handler;
+
+	void			*context;
+	enum sms_device_type_st device_type;
+};
+
+struct smsclient_params_t {
+	int				initial_id;
+	int				data_type;
+	onresponse_t	onresponse_handler;
+	onremove_t		onremove_handler;
+
+	void			*context;
+};
+
+/* GPIO definitions for antenna frequency domain control (SMS8021) */
+#define SMS_ANTENNA_GPIO_0					1
+#define SMS_ANTENNA_GPIO_1					0
+
+#define BW_8_MHZ							0
+#define BW_7_MHZ							1
+#define BW_6_MHZ							2
+#define BW_5_MHZ							3
+#define BW_ISDBT_1SEG						4
+#define BW_ISDBT_3SEG						5
+
+#define MSG_HDR_FLAG_SPLIT_MSG				4
+
+#define MAX_GPIO_PIN_NUMBER					31
+
+#define HIF_TASK							11
+#define SMS_HOST_LIB						150
+#define DVBT_BDA_CONTROL_MSG_ID				201
+
+#define SMS_MAX_PAYLOAD_SIZE				240
+#define SMS_TUNE_TIMEOUT					500
+
+#define MSG_SMS_GPIO_CONFIG_REQ				507
+#define MSG_SMS_GPIO_CONFIG_RES				508
+#define MSG_SMS_GPIO_SET_LEVEL_REQ			509
+#define MSG_SMS_GPIO_SET_LEVEL_RES			510
+#define MSG_SMS_GPIO_GET_LEVEL_REQ			511
+#define MSG_SMS_GPIO_GET_LEVEL_RES			512
+#define MSG_SMS_RF_TUNE_REQ					561
+#define MSG_SMS_RF_TUNE_RES					562
+#define MSG_SMS_INIT_DEVICE_REQ				578
+#define MSG_SMS_INIT_DEVICE_RES				579
+#define MSG_SMS_ADD_PID_FILTER_REQ			601
+#define MSG_SMS_ADD_PID_FILTER_RES			602
+#define MSG_SMS_REMOVE_PID_FILTER_REQ		603
+#define MSG_SMS_REMOVE_PID_FILTER_RES		604
+#define MSG_SMS_DAB_CHANNEL					607
+#define MSG_SMS_GET_PID_FILTER_LIST_REQ		608
+#define MSG_SMS_GET_PID_FILTER_LIST_RES		609
+#define MSG_SMS_GET_STATISTICS_REQ			615
+#define MSG_SMS_GET_STATISTICS_RES			616
+#define MSG_SMS_SET_ANTENNA_CONFIG_REQ		651
+#define MSG_SMS_SET_ANTENNA_CONFIG_RES		652
+#define MSG_SMS_GET_STATISTICS_EX_REQ		653
+#define MSG_SMS_GET_STATISTICS_EX_RES		654
+#define MSG_SMS_SLEEP_RESUME_COMP_IND		655
+#define MSG_SMS_DATA_DOWNLOAD_REQ			660
+#define MSG_SMS_DATA_DOWNLOAD_RES			661
+#define MSG_SMS_SWDOWNLOAD_TRIGGER_REQ		664
+#define MSG_SMS_SWDOWNLOAD_TRIGGER_RES		665
+#define MSG_SMS_SWDOWNLOAD_BACKDOOR_REQ		666
+#define MSG_SMS_SWDOWNLOAD_BACKDOOR_RES		667
+#define MSG_SMS_GET_VERSION_EX_REQ			668
+#define MSG_SMS_GET_VERSION_EX_RES			669
+#define MSG_SMS_SET_CLOCK_OUTPUT_REQ		670
+#define MSG_SMS_I2C_SET_FREQ_REQ			685
+#define MSG_SMS_GENERIC_I2C_REQ				687
+#define MSG_SMS_GENERIC_I2C_RES				688
+#define MSG_SMS_DVBT_BDA_DATA				693
+#define MSG_SW_RELOAD_REQ					697
+#define MSG_SMS_DATA_MSG					699
+#define MSG_SW_RELOAD_START_REQ				702
+#define MSG_SW_RELOAD_START_RES				703
+#define MSG_SW_RELOAD_EXEC_REQ				704
+#define MSG_SW_RELOAD_EXEC_RES				705
+#define MSG_SMS_SPI_INT_LINE_SET_REQ		710
+#define MSG_SMS_ISDBT_TUNE_REQ				776
+#define MSG_SMS_ISDBT_TUNE_RES				777
+
+#define SMS_INIT_MSG_EX(ptr, type, src, dst, len) do { \
+	(ptr)->msgType = type; (ptr)->msgSrcId = src; (ptr)->msgDstId = dst; \
+	(ptr)->msgLength = len; (ptr)->msgFlags = 0; \
+} while (0)
+#define SMS_INIT_MSG(ptr, type, len) \
+	SMS_INIT_MSG_EX(ptr, type, 0, HIF_TASK, len)
+
+enum SMS_DEVICE_MODE {
+	DEVICE_MODE_NONE = -1,
+	DEVICE_MODE_DVBT = 0,
+	DEVICE_MODE_DVBH,
+	DEVICE_MODE_DAB_TDMB,
+	DEVICE_MODE_DAB_TDMB_DABIP,
+	DEVICE_MODE_DVBT_BDA,
+	DEVICE_MODE_ISDBT,
+	DEVICE_MODE_ISDBT_BDA,
+	DEVICE_MODE_CMMB,
+	DEVICE_MODE_RAW_TUNER,
+	DEVICE_MODE_MAX,
+};
+
+struct SmsMsgHdr_ST {
+	u16	msgType;
+	u8	msgSrcId;
+	u8	msgDstId;
+	u16	msgLength; /* Length of entire message, including header */
+	u16	msgFlags;
+};
+
+struct SmsMsgData_ST {
+	struct SmsMsgHdr_ST	xMsgHeader;
+	u32			msgData[1];
+};
+
+struct SmsDataDownload_ST {
+	struct SmsMsgHdr_ST	xMsgHeader;
+	u32			MemAddr;
+	u8			Payload[SMS_MAX_PAYLOAD_SIZE];
+};
+
+struct SmsVersionRes_ST {
+	struct SmsMsgHdr_ST	xMsgHeader;
+
+	u16		ChipModel; /* e.g. 0x1102 for SMS-1102 "Nova" */
+	u8		Step; /* 0 - Step A */
+	u8		MetalFix; /* 0 - Metal 0 */
+
+	u8		FirmwareId; /* 0xFF � ROM, otherwise the
+				     * value indicated by
+				     * SMSHOSTLIB_DEVICE_MODES_E */
+	u8		SupportedProtocols; /* Bitwise OR combination of
+					     * supported protocols */
+
+	u8		VersionMajor;
+	u8		VersionMinor;
+	u8		VersionPatch;
+	u8		VersionFieldPatch;
+
+	u8		RomVersionMajor;
+	u8		RomVersionMinor;
+	u8		RomVersionPatch;
+	u8		RomVersionFieldPatch;
+
+	u8		TextLabel[34];
+};
+
+struct SmsFirmware_ST {
+	u32			CheckSum;
+	u32			Length;
+	u32			StartAddress;
+	u8			Payload[1];
+};
+
+struct SMSHOSTLIB_STATISTICS_ST {
+	u32 Reserved; /* Reserved */
+
+	/* Common parameters */
+	u32 IsRfLocked; /* 0 - not locked, 1 - locked */
+	u32 IsDemodLocked; /* 0 - not locked, 1 - locked */
+	u32 IsExternalLNAOn; /* 0 - external LNA off, 1 - external LNA on */
+
+	/* Reception quality */
+	s32  SNR; /* dB */
+	u32 BER; /* Post Viterbi BER [1E-5] */
+	u32 FIB_CRC;	/* CRC errors percentage, valid only for DAB */
+	u32 TS_PER; /* Transport stream PER, 0xFFFFFFFF indicate N/A,
+		     * valid only for DVB-T/H */
+	u32 MFER; /* DVB-H frame error rate in percentage,
+		   * 0xFFFFFFFF indicate N/A, valid only for DVB-H */
+	s32  RSSI; /* dBm */
+	s32  InBandPwr; /* In band power in dBM */
+	s32  CarrierOffset; /* Carrier Offset in bin/1024 */
+
+	/* Transmission parameters, valid only for DVB-T/H */
+	u32 Frequency; /* Frequency in Hz */
+	u32 Bandwidth; /* Bandwidth in MHz */
+	u32 TransmissionMode; /* Transmission Mode, for DAB modes 1-4,
+			       * for DVB-T/H FFT mode carriers in Kilos */
+	u32 ModemState; /* from SMS_DvbModemState_ET */
+	u32 GuardInterval; /* Guard Interval, 1 divided by value */
+	u32 CodeRate; /* Code Rate from SMS_DvbModemState_ET */
+	u32 LPCodeRate; /* Low Priority Code Rate from SMS_DvbModemState_ET */
+	u32 Hierarchy; /* Hierarchy from SMS_Hierarchy_ET */
+	u32 Constellation; /* Constellation from SMS_Constellation_ET */
+
+	/* Burst parameters, valid only for DVB-H */
+	u32 BurstSize; /* Current burst size in bytes */
+	u32 BurstDuration; /* Current burst duration in mSec */
+	u32 BurstCycleTime; /* Current burst cycle time in mSec */
+	u32 CalculatedBurstCycleTime; /* Current burst cycle time in mSec,
+				       * as calculated by demodulator */
+	u32 NumOfRows; /* Number of rows in MPE table */
+	u32 NumOfPaddCols; /* Number of padding columns in MPE table */
+	u32 NumOfPunctCols; /* Number of puncturing columns in MPE table */
+	/* Burst parameters */
+	u32 ErrorTSPackets; /* Number of erroneous transport-stream packets */
+	u32 TotalTSPackets; /* Total number of transport-stream packets */
+	u32 NumOfValidMpeTlbs; /* Number of MPE tables which do not include
+				* errors after MPE RS decoding */
+	u32 NumOfInvalidMpeTlbs; /* Number of MPE tables which include errors
+				  * after MPE RS decoding */
+	u32 NumOfCorrectedMpeTlbs; /* Number of MPE tables which were corrected
+				    * by MPE RS decoding */
+
+	/* Common params */
+	u32 BERErrorCount; /* Number of errornous SYNC bits. */
+	u32 BERBitCount; /* Total number of SYNC bits. */
+
+	/* Interface information */
+	u32 SmsToHostTxErrors; /* Total number of transmission errors. */
+
+	/* DAB/T-DMB */
+	u32 PreBER; /* DAB/T-DMB only: Pre Viterbi BER [1E-5] */
+
+	/* DVB-H TPS parameters */
+	u32 CellId; /* TPS Cell ID in bits 15..0, bits 31..16 zero;
+		     * if set to 0xFFFFFFFF cell_id not yet recovered */
+
+};
+
+struct SmsMsgStatisticsInfo_ST {
+	u32 RequestResult;
+
+	struct SMSHOSTLIB_STATISTICS_ST Stat;
+
+	/* Split the calc of the SNR in DAB */
+	u32 Signal; /* dB */
+	u32 Noise; /* dB */
+
+};
+
+
+struct smsdvb_client_t {
+	struct list_head entry;
+
+	struct smscore_device_t	*coredev;
+	struct smscore_client_t	*smsclient;
+
+	struct dvb_adapter	adapter;
+	struct dvb_demux	demux;
+	struct dmxdev		dmxdev;
+	struct dvb_frontend	frontend;
+
+	fe_status_t		fe_status;
+	int			fe_ber, fe_snr, fe_signal_strength;
+
+	struct completion	tune_done, stat_done;
+
+	/* todo: save freq/band instead whole struct */
+	struct dvb_frontend_parameters fe_params;
+
+};
+
+extern void smscore_registry_setmode(char *devpath, int mode);
+extern int smscore_registry_getmode(char *devpath);
+
+extern int smscore_register_hotplug(hotplug_t hotplug);
+extern void smscore_unregister_hotplug(hotplug_t hotplug);
+
+extern int smscore_register_device(struct smsdevice_params_t *params,
+				   struct smscore_device_t **coredev);
+extern void smscore_unregister_device(struct smscore_device_t *coredev);
+
+extern int smscore_start_device(struct smscore_device_t *coredev);
+extern int smscore_load_firmware(struct smscore_device_t *coredev,
+				 char *filename,
+				 loadfirmware_t loadfirmware_handler);
+
+extern int smscore_set_device_mode(struct smscore_device_t *coredev, int mode);
+extern int smscore_get_device_mode(struct smscore_device_t *coredev);
+
+extern int smscore_register_client(struct smscore_device_t *coredev,
+				    struct smsclient_params_t *params,
+				    struct smscore_client_t **client);
+extern void smscore_unregister_client(struct smscore_client_t *client);
+
+extern int smsclient_sendrequest(struct smscore_client_t *client,
+				 void *buffer, size_t size);
+extern void smscore_onresponse(struct smscore_device_t *coredev,
+			       struct smscore_buffer_t *cb);
+
+
+extern
+struct smscore_buffer_t *smscore_getbuffer(struct smscore_device_t *coredev);
+extern void smscore_putbuffer(struct smscore_device_t *coredev,
+			      struct smscore_buffer_t *cb);
+
+void smscore_set_board_id(struct smscore_device_t *core, int id);
+int smscore_get_board_id(struct smscore_device_t *core);
+
+/* smsdvb.c */
+int smsdvb_register(void);
+void smsdvb_unregister(void);
+
+/* smsusb.c */
+int smsusb_register(void);
+void smsusb_unregister(void);
+
+/* ------------------------------------------------------------------------ */
+
+extern int sms_debug;
+
+#define DBG_INFO 1
+#define DBG_ADV  2
+
+#define sms_printk(kern, fmt, arg...) \
+	printk(kern "%s: " fmt "\n", __func__, ##arg)
+
+#define dprintk(kern, lvl, fmt, arg...) do {\
+	if (sms_debug & lvl) \
+		sms_printk(kern, fmt, ##arg); } while (0)
+
+#define sms_log(fmt, arg...) sms_printk(KERN_INFO, fmt, ##arg)
+#define sms_err(fmt, arg...) \
+	sms_printk(KERN_ERR, "line: %d: " fmt, __LINE__, ##arg)
+#define sms_warn(fmt, arg...)  sms_printk(KERN_WARNING, fmt, ##arg)
+#define sms_info(fmt, arg...) \
+	dprintk(KERN_INFO, DBG_INFO, fmt, ##arg)
+#define sms_debug(fmt, arg...) \
+	dprintk(KERN_DEBUG, DBG_ADV, fmt, ##arg)
+
+
+#endif /* __smscoreapi_h__ */
diff --git a/drivers/media/dvb/siano/smsdvb.c b/drivers/media/dvb/siano/smsdvb.c
new file mode 100644
index 00000000000..6f9c1856386
--- /dev/null
+++ b/drivers/media/dvb/siano/smsdvb.c
@@ -0,0 +1,449 @@
+/*
+ *  Driver for the Siano SMS1xxx USB dongle
+ *
+ *  author: Anatoly Greenblat
+ *
+ *  Copyright (c), 2005-2008 Siano Mobile Silicon, Inc.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 3 as
+ *  published by the Free Software Foundation;
+ *
+ *  Software distributed under the License is distributed on an "AS IS"
+ *  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
+ *
+ *  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+
+#include "smscoreapi.h"
+#include "sms-cards.h"
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+struct list_head g_smsdvb_clients;
+struct mutex g_smsdvb_clientslock;
+
+static int smsdvb_onresponse(void *context, struct smscore_buffer_t *cb)
+{
+	struct smsdvb_client_t *client = (struct smsdvb_client_t *) context;
+	struct SmsMsgHdr_ST *phdr =
+		(struct SmsMsgHdr_ST *)(((u8 *) cb->p) + cb->offset);
+
+	switch (phdr->msgType) {
+	case MSG_SMS_DVBT_BDA_DATA:
+		dvb_dmx_swfilter(&client->demux, (u8 *)(phdr + 1),
+				 cb->size - sizeof(struct SmsMsgHdr_ST));
+		break;
+
+	case MSG_SMS_RF_TUNE_RES:
+		complete(&client->tune_done);
+		break;
+
+	case MSG_SMS_GET_STATISTICS_RES:
+	{
+		struct SmsMsgStatisticsInfo_ST *p =
+			(struct SmsMsgStatisticsInfo_ST *)(phdr + 1);
+
+		if (p->Stat.IsDemodLocked) {
+			client->fe_status = FE_HAS_SIGNAL |
+					    FE_HAS_CARRIER |
+					    FE_HAS_VITERBI |
+					    FE_HAS_SYNC |
+					    FE_HAS_LOCK;
+
+			client->fe_snr = p->Stat.SNR;
+			client->fe_ber = p->Stat.BER;
+
+			if (p->Stat.InBandPwr < -95)
+				client->fe_signal_strength = 0;
+			else if (p->Stat.InBandPwr > -29)
+				client->fe_signal_strength = 100;
+			else
+				client->fe_signal_strength =
+					(p->Stat.InBandPwr + 95) * 3 / 2;
+		} else {
+			client->fe_status = 0;
+			client->fe_snr =
+			client->fe_ber =
+			client->fe_signal_strength = 0;
+		}
+
+		complete(&client->stat_done);
+		break;
+	} }
+
+	smscore_putbuffer(client->coredev, cb);
+
+	return 0;
+}
+
+static void smsdvb_unregister_client(struct smsdvb_client_t *client)
+{
+	/* must be called under clientslock */
+
+	list_del(&client->entry);
+
+	smscore_unregister_client(client->smsclient);
+	dvb_unregister_frontend(&client->frontend);
+	dvb_dmxdev_release(&client->dmxdev);
+	dvb_dmx_release(&client->demux);
+	dvb_unregister_adapter(&client->adapter);
+	kfree(client);
+}
+
+static void smsdvb_onremove(void *context)
+{
+	kmutex_lock(&g_smsdvb_clientslock);
+
+	smsdvb_unregister_client((struct smsdvb_client_t *) context);
+
+	kmutex_unlock(&g_smsdvb_clientslock);
+}
+
+static int smsdvb_start_feed(struct dvb_demux_feed *feed)
+{
+	struct smsdvb_client_t *client =
+		container_of(feed->demux, struct smsdvb_client_t, demux);
+	struct SmsMsgData_ST PidMsg;
+
+	sms_debug("add pid %d(%x)",
+		  feed->pid, feed->pid);
+
+	PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
+	PidMsg.xMsgHeader.msgDstId = HIF_TASK;
+	PidMsg.xMsgHeader.msgFlags = 0;
+	PidMsg.xMsgHeader.msgType  = MSG_SMS_ADD_PID_FILTER_REQ;
+	PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
+	PidMsg.msgData[0] = feed->pid;
+
+	return smsclient_sendrequest(client->smsclient,
+				     &PidMsg, sizeof(PidMsg));
+}
+
+static int smsdvb_stop_feed(struct dvb_demux_feed *feed)
+{
+	struct smsdvb_client_t *client =
+		container_of(feed->demux, struct smsdvb_client_t, demux);
+	struct SmsMsgData_ST PidMsg;
+
+	sms_debug("remove pid %d(%x)",
+		  feed->pid, feed->pid);
+
+	PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
+	PidMsg.xMsgHeader.msgDstId = HIF_TASK;
+	PidMsg.xMsgHeader.msgFlags = 0;
+	PidMsg.xMsgHeader.msgType  = MSG_SMS_REMOVE_PID_FILTER_REQ;
+	PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
+	PidMsg.msgData[0] = feed->pid;
+
+	return smsclient_sendrequest(client->smsclient,
+				     &PidMsg, sizeof(PidMsg));
+}
+
+static int smsdvb_sendrequest_and_wait(struct smsdvb_client_t *client,
+					void *buffer, size_t size,
+					struct completion *completion)
+{
+	int rc = smsclient_sendrequest(client->smsclient, buffer, size);
+	if (rc < 0)
+		return rc;
+
+	return wait_for_completion_timeout(completion,
+					   msecs_to_jiffies(2000)) ?
+						0 : -ETIME;
+}
+
+static int smsdvb_send_statistics_request(struct smsdvb_client_t *client)
+{
+	struct SmsMsgHdr_ST Msg = { MSG_SMS_GET_STATISTICS_REQ,
+			     DVBT_BDA_CONTROL_MSG_ID,
+			     HIF_TASK, sizeof(struct SmsMsgHdr_ST), 0 };
+	return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
+					   &client->stat_done);
+}
+
+static int smsdvb_read_status(struct dvb_frontend *fe, fe_status_t *stat)
+{
+	struct smsdvb_client_t *client =
+		container_of(fe, struct smsdvb_client_t, frontend);
+	int rc = smsdvb_send_statistics_request(client);
+
+	if (!rc)
+		*stat = client->fe_status;
+
+	return rc;
+}
+
+static int smsdvb_read_ber(struct dvb_frontend *fe, u32 *ber)
+{
+	struct smsdvb_client_t *client =
+		container_of(fe, struct smsdvb_client_t, frontend);
+	int rc = smsdvb_send_statistics_request(client);
+
+	if (!rc)
+		*ber = client->fe_ber;
+
+	return rc;
+}
+
+static int smsdvb_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
+{
+	struct smsdvb_client_t *client =
+		container_of(fe, struct smsdvb_client_t, frontend);
+	int rc = smsdvb_send_statistics_request(client);
+
+	if (!rc)
+		*strength = client->fe_signal_strength;
+
+	return rc;
+}
+
+static int smsdvb_read_snr(struct dvb_frontend *fe, u16 *snr)
+{
+	struct smsdvb_client_t *client =
+		container_of(fe, struct smsdvb_client_t, frontend);
+	int rc = smsdvb_send_statistics_request(client);
+
+	if (!rc)
+		*snr = client->fe_snr;
+
+	return rc;
+}
+
+static int smsdvb_get_tune_settings(struct dvb_frontend *fe,
+				    struct dvb_frontend_tune_settings *tune)
+{
+	sms_debug("");
+
+	tune->min_delay_ms = 400;
+	tune->step_size = 250000;
+	tune->max_drift = 0;
+	return 0;
+}
+
+static int smsdvb_set_frontend(struct dvb_frontend *fe,
+			       struct dvb_frontend_parameters *fep)
+{
+	struct smsdvb_client_t *client =
+		container_of(fe, struct smsdvb_client_t, frontend);
+
+	struct {
+		struct SmsMsgHdr_ST	Msg;
+		u32		Data[3];
+	} Msg;
+
+	Msg.Msg.msgSrcId  = DVBT_BDA_CONTROL_MSG_ID;
+	Msg.Msg.msgDstId  = HIF_TASK;
+	Msg.Msg.msgFlags  = 0;
+	Msg.Msg.msgType   = MSG_SMS_RF_TUNE_REQ;
+	Msg.Msg.msgLength = sizeof(Msg);
+	Msg.Data[0] = fep->frequency;
+	Msg.Data[2] = 12000000;
+
+	sms_debug("freq %d band %d",
+		  fep->frequency, fep->u.ofdm.bandwidth);
+
+	switch (fep->u.ofdm.bandwidth) {
+	case BANDWIDTH_8_MHZ: Msg.Data[1] = BW_8_MHZ; break;
+	case BANDWIDTH_7_MHZ: Msg.Data[1] = BW_7_MHZ; break;
+	case BANDWIDTH_6_MHZ: Msg.Data[1] = BW_6_MHZ; break;
+	case BANDWIDTH_AUTO: return -EOPNOTSUPP;
+	default: return -EINVAL;
+	}
+
+	return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
+					   &client->tune_done);
+}
+
+static int smsdvb_get_frontend(struct dvb_frontend *fe,
+			       struct dvb_frontend_parameters *fep)
+{
+	struct smsdvb_client_t *client =
+		container_of(fe, struct smsdvb_client_t, frontend);
+
+	sms_debug("");
+
+	/* todo: */
+	memcpy(fep, &client->fe_params,
+	       sizeof(struct dvb_frontend_parameters));
+	return 0;
+}
+
+static void smsdvb_release(struct dvb_frontend *fe)
+{
+	/* do nothing */
+}
+
+static struct dvb_frontend_ops smsdvb_fe_ops = {
+	.info = {
+		.name			= "Siano Mobile Digital SMS1xxx",
+		.type			= FE_OFDM,
+		.frequency_min		= 44250000,
+		.frequency_max		= 867250000,
+		.frequency_stepsize	= 250000,
+		.caps = FE_CAN_INVERSION_AUTO |
+			FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
+			FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
+			FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 |
+			FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO |
+			FE_CAN_GUARD_INTERVAL_AUTO |
+			FE_CAN_RECOVER |
+			FE_CAN_HIERARCHY_AUTO,
+	},
+
+	.release = smsdvb_release,
+
+	.set_frontend = smsdvb_set_frontend,
+	.get_frontend = smsdvb_get_frontend,
+	.get_tune_settings = smsdvb_get_tune_settings,
+
+	.read_status = smsdvb_read_status,
+	.read_ber = smsdvb_read_ber,
+	.read_signal_strength = smsdvb_read_signal_strength,
+	.read_snr = smsdvb_read_snr,
+};
+
+static int smsdvb_hotplug(struct smscore_device_t *coredev,
+			  struct device *device, int arrival)
+{
+	struct smsclient_params_t params;
+	struct smsdvb_client_t *client;
+	int rc;
+
+	/* device removal handled by onremove callback */
+	if (!arrival)
+		return 0;
+
+	if (smscore_get_device_mode(coredev) != 4) {
+		sms_err("SMS Device mode is not set for "
+			"DVB operation.");
+		return 0;
+	}
+
+	client = kzalloc(sizeof(struct smsdvb_client_t), GFP_KERNEL);
+	if (!client) {
+		sms_err("kmalloc() failed");
+		return -ENOMEM;
+	}
+
+	/* register dvb adapter */
+	rc = dvb_register_adapter(&client->adapter,
+				  sms_get_board(
+					smscore_get_board_id(coredev))->name,
+				  THIS_MODULE, device, adapter_nr);
+	if (rc < 0) {
+		sms_err("dvb_register_adapter() failed %d", rc);
+		goto adapter_error;
+	}
+
+	/* init dvb demux */
+	client->demux.dmx.capabilities = DMX_TS_FILTERING;
+	client->demux.filternum = 32; /* todo: nova ??? */
+	client->demux.feednum = 32;
+	client->demux.start_feed = smsdvb_start_feed;
+	client->demux.stop_feed = smsdvb_stop_feed;
+
+	rc = dvb_dmx_init(&client->demux);
+	if (rc < 0) {
+		sms_err("dvb_dmx_init failed %d", rc);
+		goto dvbdmx_error;
+	}
+
+	/* init dmxdev */
+	client->dmxdev.filternum = 32;
+	client->dmxdev.demux = &client->demux.dmx;
+	client->dmxdev.capabilities = 0;
+
+	rc = dvb_dmxdev_init(&client->dmxdev, &client->adapter);
+	if (rc < 0) {
+		sms_err("dvb_dmxdev_init failed %d", rc);
+		goto dmxdev_error;
+	}
+
+	/* init and register frontend */
+	memcpy(&client->frontend.ops, &smsdvb_fe_ops,
+	       sizeof(struct dvb_frontend_ops));
+
+	rc = dvb_register_frontend(&client->adapter, &client->frontend);
+	if (rc < 0) {
+		sms_err("frontend registration failed %d", rc);
+		goto frontend_error;
+	}
+
+	params.initial_id = 1;
+	params.data_type = MSG_SMS_DVBT_BDA_DATA;
+	params.onresponse_handler = smsdvb_onresponse;
+	params.onremove_handler = smsdvb_onremove;
+	params.context = client;
+
+	rc = smscore_register_client(coredev, &params, &client->smsclient);
+	if (rc < 0) {
+		sms_err("smscore_register_client() failed %d", rc);
+		goto client_error;
+	}
+
+	client->coredev = coredev;
+
+	init_completion(&client->tune_done);
+	init_completion(&client->stat_done);
+
+	kmutex_lock(&g_smsdvb_clientslock);
+
+	list_add(&client->entry, &g_smsdvb_clients);
+
+	kmutex_unlock(&g_smsdvb_clientslock);
+
+	sms_info("success");
+
+	return 0;
+
+client_error:
+	dvb_unregister_frontend(&client->frontend);
+
+frontend_error:
+	dvb_dmxdev_release(&client->dmxdev);
+
+dmxdev_error:
+	dvb_dmx_release(&client->demux);
+
+dvbdmx_error:
+	dvb_unregister_adapter(&client->adapter);
+
+adapter_error:
+	kfree(client);
+	return rc;
+}
+
+int smsdvb_register(void)
+{
+	int rc;
+
+	INIT_LIST_HEAD(&g_smsdvb_clients);
+	kmutex_init(&g_smsdvb_clientslock);
+
+	rc = smscore_register_hotplug(smsdvb_hotplug);
+
+	sms_debug("");
+
+	return rc;
+}
+
+void smsdvb_unregister(void)
+{
+	smscore_unregister_hotplug(smsdvb_hotplug);
+
+	kmutex_lock(&g_smsdvb_clientslock);
+
+	while (!list_empty(&g_smsdvb_clients))
+	       smsdvb_unregister_client(
+			(struct smsdvb_client_t *) g_smsdvb_clients.next);
+
+	kmutex_unlock(&g_smsdvb_clientslock);
+}
diff --git a/drivers/media/dvb/siano/smsusb.c b/drivers/media/dvb/siano/smsusb.c
new file mode 100644
index 00000000000..c10b1849c6a
--- /dev/null
+++ b/drivers/media/dvb/siano/smsusb.c
@@ -0,0 +1,459 @@
+/*
+ *  Driver for the Siano SMS1xxx USB dongle
+ *
+ *  author: Anatoly Greenblat
+ *
+ *  Copyright (c), 2005-2008 Siano Mobile Silicon, Inc.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 3 as
+ *  published by the Free Software Foundation;
+ *
+ *  Software distributed under the License is distributed on an "AS IS"
+ *  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
+ *
+ *  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/usb.h>
+#include <linux/firmware.h>
+
+#include "smscoreapi.h"
+#include "sms-cards.h"
+
+#define USB1_BUFFER_SIZE		0x1000
+#define USB2_BUFFER_SIZE		0x4000
+
+#define MAX_BUFFERS		50
+#define MAX_URBS		10
+
+struct smsusb_device_t;
+
+struct smsusb_urb_t {
+	struct smscore_buffer_t *cb;
+	struct smsusb_device_t	*dev;
+
+	struct urb urb;
+};
+
+struct smsusb_device_t {
+	struct usb_device *udev;
+	struct smscore_device_t *coredev;
+
+	struct smsusb_urb_t 	surbs[MAX_URBS];
+
+	int		response_alignment;
+	int		buffer_size;
+};
+
+static int smsusb_submit_urb(struct smsusb_device_t *dev,
+			     struct smsusb_urb_t *surb);
+
+static void smsusb_onresponse(struct urb *urb)
+{
+	struct smsusb_urb_t *surb = (struct smsusb_urb_t *) urb->context;
+	struct smsusb_device_t *dev = surb->dev;
+
+	if (urb->status < 0) {
+		sms_err("error, urb status %d, %d bytes",
+			urb->status, urb->actual_length);
+		return;
+	}
+
+	if (urb->actual_length > 0) {
+		struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) surb->cb->p;
+
+		if (urb->actual_length >= phdr->msgLength) {
+			surb->cb->size = phdr->msgLength;
+
+			if (dev->response_alignment &&
+			    (phdr->msgFlags & MSG_HDR_FLAG_SPLIT_MSG)) {
+
+				surb->cb->offset =
+					dev->response_alignment +
+					((phdr->msgFlags >> 8) & 3);
+
+				/* sanity check */
+				if (((int) phdr->msgLength +
+				     surb->cb->offset) > urb->actual_length) {
+					sms_err("invalid response "
+						"msglen %d offset %d "
+						"size %d",
+						phdr->msgLength,
+						surb->cb->offset,
+						urb->actual_length);
+					goto exit_and_resubmit;
+				}
+
+				/* move buffer pointer and
+				 * copy header to its new location */
+				memcpy((char *) phdr + surb->cb->offset,
+				       phdr, sizeof(struct SmsMsgHdr_ST));
+			} else
+				surb->cb->offset = 0;
+
+			smscore_onresponse(dev->coredev, surb->cb);
+			surb->cb = NULL;
+		} else {
+			sms_err("invalid response "
+				"msglen %d actual %d",
+				phdr->msgLength, urb->actual_length);
+		}
+	}
+
+exit_and_resubmit:
+	smsusb_submit_urb(dev, surb);
+}
+
+static int smsusb_submit_urb(struct smsusb_device_t *dev,
+			     struct smsusb_urb_t *surb)
+{
+	if (!surb->cb) {
+		surb->cb = smscore_getbuffer(dev->coredev);
+		if (!surb->cb) {
+			sms_err("smscore_getbuffer(...) returned NULL");
+			return -ENOMEM;
+		}
+	}
+
+	usb_fill_bulk_urb(
+		&surb->urb,
+		dev->udev,
+		usb_rcvbulkpipe(dev->udev, 0x81),
+		surb->cb->p,
+		dev->buffer_size,
+		smsusb_onresponse,
+		surb
+	);
+	surb->urb.transfer_dma = surb->cb->phys;
+	surb->urb.transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+
+	return usb_submit_urb(&surb->urb, GFP_ATOMIC);
+}
+
+static void smsusb_stop_streaming(struct smsusb_device_t *dev)
+{
+	int i;
+
+	for (i = 0; i < MAX_URBS; i++) {
+		usb_kill_urb(&dev->surbs[i].urb);
+
+		if (dev->surbs[i].cb) {
+			smscore_putbuffer(dev->coredev, dev->surbs[i].cb);
+			dev->surbs[i].cb = NULL;
+		}
+	}
+}
+
+static int smsusb_start_streaming(struct smsusb_device_t *dev)
+{
+	int i, rc;
+
+	for (i = 0; i < MAX_URBS; i++) {
+		rc = smsusb_submit_urb(dev, &dev->surbs[i]);
+		if (rc < 0) {
+			sms_err("smsusb_submit_urb(...) failed");
+			smsusb_stop_streaming(dev);
+			break;
+		}
+	}
+
+	return rc;
+}
+
+static int smsusb_sendrequest(void *context, void *buffer, size_t size)
+{
+	struct smsusb_device_t *dev = (struct smsusb_device_t *) context;
+	int dummy;
+
+	return usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 2),
+			    buffer, size, &dummy, 1000);
+}
+
+static char *smsusb1_fw_lkup[] = {
+	"dvbt_stellar_usb.inp",
+	"dvbh_stellar_usb.inp",
+	"tdmb_stellar_usb.inp",
+	"none",
+	"dvbt_bda_stellar_usb.inp",
+};
+
+static inline char *sms_get_fw_name(int mode, int board_id)
+{
+	char **fw = sms_get_board(board_id)->fw;
+	return (fw && fw[mode]) ? fw[mode] : smsusb1_fw_lkup[mode];
+}
+
+static int smsusb1_load_firmware(struct usb_device *udev, int id, int board_id)
+{
+	const struct firmware *fw;
+	u8 *fw_buffer;
+	int rc, dummy;
+	char *fw_filename;
+
+	if (id < DEVICE_MODE_DVBT || id > DEVICE_MODE_DVBT_BDA) {
+		sms_err("invalid firmware id specified %d", id);
+		return -EINVAL;
+	}
+
+	fw_filename = sms_get_fw_name(id, board_id);
+
+	rc = request_firmware(&fw, fw_filename, &udev->dev);
+	if (rc < 0) {
+		sms_warn("failed to open \"%s\" mode %d, "
+			 "trying again with default firmware", fw_filename, id);
+
+		fw_filename = smsusb1_fw_lkup[id];
+		rc = request_firmware(&fw, fw_filename, &udev->dev);
+		if (rc < 0) {
+			sms_warn("failed to open \"%s\" mode %d",
+				 fw_filename, id);
+
+			return rc;
+		}
+	}
+
+	fw_buffer = kmalloc(fw->size, GFP_KERNEL);
+	if (fw_buffer) {
+		memcpy(fw_buffer, fw->data, fw->size);
+
+		rc = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 2),
+				  fw_buffer, fw->size, &dummy, 1000);
+
+		sms_info("sent %zd(%d) bytes, rc %d", fw->size, dummy, rc);
+
+		kfree(fw_buffer);
+	} else {
+		sms_err("failed to allocate firmware buffer");
+		rc = -ENOMEM;
+	}
+	sms_info("read FW %s, size=%zd", fw_filename, fw->size);
+
+	release_firmware(fw);
+
+	return rc;
+}
+
+static void smsusb1_detectmode(void *context, int *mode)
+{
+	char *product_string =
+		((struct smsusb_device_t *) context)->udev->product;
+
+	*mode = DEVICE_MODE_NONE;
+
+	if (!product_string) {
+		product_string = "none";
+		sms_err("product string not found");
+	} else if (strstr(product_string, "DVBH"))
+		*mode = 1;
+	else if (strstr(product_string, "BDA"))
+		*mode = 4;
+	else if (strstr(product_string, "DVBT"))
+		*mode = 0;
+	else if (strstr(product_string, "TDMB"))
+		*mode = 2;
+
+	sms_info("%d \"%s\"", *mode, product_string);
+}
+
+static int smsusb1_setmode(void *context, int mode)
+{
+	struct SmsMsgHdr_ST Msg = { MSG_SW_RELOAD_REQ, 0, HIF_TASK,
+			     sizeof(struct SmsMsgHdr_ST), 0 };
+
+	if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) {
+		sms_err("invalid firmware id specified %d", mode);
+		return -EINVAL;
+	}
+
+	return smsusb_sendrequest(context, &Msg, sizeof(Msg));
+}
+
+static void smsusb_term_device(struct usb_interface *intf)
+{
+	struct smsusb_device_t *dev =
+		(struct smsusb_device_t *) usb_get_intfdata(intf);
+
+	if (dev) {
+		smsusb_stop_streaming(dev);
+
+		/* unregister from smscore */
+		if (dev->coredev)
+			smscore_unregister_device(dev->coredev);
+
+		kfree(dev);
+
+		sms_info("device %p destroyed", dev);
+	}
+
+	usb_set_intfdata(intf, NULL);
+}
+
+static int smsusb_init_device(struct usb_interface *intf, int board_id)
+{
+	struct smsdevice_params_t params;
+	struct smsusb_device_t *dev;
+	int i, rc;
+
+	/* create device object */
+	dev = kzalloc(sizeof(struct smsusb_device_t), GFP_KERNEL);
+	if (!dev) {
+		sms_err("kzalloc(sizeof(struct smsusb_device_t) failed");
+		return -ENOMEM;
+	}
+
+	memset(&params, 0, sizeof(params));
+	usb_set_intfdata(intf, dev);
+	dev->udev = interface_to_usbdev(intf);
+
+	params.device_type = sms_get_board(board_id)->type;
+
+	switch (params.device_type) {
+	case SMS_STELLAR:
+		dev->buffer_size = USB1_BUFFER_SIZE;
+
+		params.setmode_handler = smsusb1_setmode;
+		params.detectmode_handler = smsusb1_detectmode;
+		break;
+	default:
+		sms_err("Unspecified sms device type!");
+		/* fall-thru */
+	case SMS_NOVA_A0:
+	case SMS_NOVA_B0:
+	case SMS_VEGA:
+		dev->buffer_size = USB2_BUFFER_SIZE;
+		dev->response_alignment =
+			dev->udev->ep_in[1]->desc.wMaxPacketSize -
+			sizeof(struct SmsMsgHdr_ST);
+
+		params.flags |= SMS_DEVICE_FAMILY2;
+		break;
+	}
+
+	params.device = &dev->udev->dev;
+	params.buffer_size = dev->buffer_size;
+	params.num_buffers = MAX_BUFFERS;
+	params.sendrequest_handler = smsusb_sendrequest;
+	params.context = dev;
+	snprintf(params.devpath, sizeof(params.devpath),
+		 "usb\\%d-%s", dev->udev->bus->busnum, dev->udev->devpath);
+
+	/* register in smscore */
+	rc = smscore_register_device(&params, &dev->coredev);
+	if (rc < 0) {
+		sms_err("smscore_register_device(...) failed, rc %d", rc);
+		smsusb_term_device(intf);
+		return rc;
+	}
+
+	smscore_set_board_id(dev->coredev, board_id);
+
+	/* initialize urbs */
+	for (i = 0; i < MAX_URBS; i++) {
+		dev->surbs[i].dev = dev;
+		usb_init_urb(&dev->surbs[i].urb);
+	}
+
+	sms_info("smsusb_start_streaming(...).");
+	rc = smsusb_start_streaming(dev);
+	if (rc < 0) {
+		sms_err("smsusb_start_streaming(...) failed");
+		smsusb_term_device(intf);
+		return rc;
+	}
+
+	rc = smscore_start_device(dev->coredev);
+	if (rc < 0) {
+		sms_err("smscore_start_device(...) failed");
+		smsusb_term_device(intf);
+		return rc;
+	}
+
+	sms_info("device %p created", dev);
+
+	return rc;
+}
+
+static int smsusb_probe(struct usb_interface *intf,
+			const struct usb_device_id *id)
+{
+	struct usb_device *udev = interface_to_usbdev(intf);
+	char devpath[32];
+	int i, rc;
+
+	rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x81));
+	rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x02));
+
+	if (intf->num_altsetting > 0) {
+		rc = usb_set_interface(
+			udev, intf->cur_altsetting->desc.bInterfaceNumber, 0);
+		if (rc < 0) {
+			sms_err("usb_set_interface failed, rc %d", rc);
+			return rc;
+		}
+	}
+
+	sms_info("smsusb_probe %d",
+	       intf->cur_altsetting->desc.bInterfaceNumber);
+	for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++)
+		sms_info("endpoint %d %02x %02x %d", i,
+		       intf->cur_altsetting->endpoint[i].desc.bEndpointAddress,
+		       intf->cur_altsetting->endpoint[i].desc.bmAttributes,
+		       intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
+
+	if ((udev->actconfig->desc.bNumInterfaces == 2) &&
+	    (intf->cur_altsetting->desc.bInterfaceNumber == 0)) {
+		sms_err("rom interface 0 is not used");
+		return -ENODEV;
+	}
+
+	if (intf->cur_altsetting->desc.bInterfaceNumber == 1) {
+		snprintf(devpath, sizeof(devpath), "usb\\%d-%s",
+			 udev->bus->busnum, udev->devpath);
+		sms_info("stellar device was found.");
+		return smsusb1_load_firmware(
+				udev, smscore_registry_getmode(devpath),
+				id->driver_info);
+	}
+
+	rc = smsusb_init_device(intf, id->driver_info);
+	sms_info("rc %d", rc);
+	return rc;
+}
+
+static void smsusb_disconnect(struct usb_interface *intf)
+{
+	smsusb_term_device(intf);
+}
+
+static struct usb_driver smsusb_driver = {
+	.name			= "sms1xxx",
+	.probe			= smsusb_probe,
+	.disconnect		= smsusb_disconnect,
+	.id_table		= smsusb_id_table,
+};
+
+int smsusb_register(void)
+{
+	int rc = usb_register(&smsusb_driver);
+	if (rc)
+		sms_err("usb_register failed. Error number %d", rc);
+
+	sms_debug("");
+
+	return rc;
+}
+
+void smsusb_unregister(void)
+{
+	sms_debug("");
+	/* Regular USB Cleanup */
+	usb_deregister(&smsusb_driver);
+}
+