[media] siano: break it into common, mmc and usb

siano is, in fact, 2 drivers: one for MMC and one for USB, plus
a common bus-independent code. Break it accordingly.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

13 files changed, 4254 insertions, 1 deletions

diff --git a/drivers/media/common/Kconfig b/drivers/media/common/Kconfig
index 157f191ef646..121b0110af3c 100644
--- a/drivers/media/common/Kconfig
+++ b/drivers/media/common/Kconfig
@@ -1,2 +1,3 @@
 source "drivers/media/common/b2c2/Kconfig"
 source "drivers/media/common/saa7146/Kconfig"
+source "drivers/media/common/siano/Kconfig"
diff --git a/drivers/media/common/Makefile b/drivers/media/common/Makefile
index f3afd83843e0..b8e2e3a33a31 100644
--- a/drivers/media/common/Makefile
+++ b/drivers/media/common/Makefile
@@ -1 +1 @@
-obj-y += b2c2/ saa7146/
+obj-y += b2c2/ saa7146/ siano/
diff --git a/drivers/media/common/siano/Kconfig b/drivers/media/common/siano/Kconfig
new file mode 100644
index 000000000000..425aeadfb49d
--- /dev/null
+++ b/drivers/media/common/siano/Kconfig
@@ -0,0 +1,17 @@
+#
+# Siano Mobile Silicon Digital TV device configuration
+#
+
+config SMS_SIANO_MDTV
+	tristate
+	depends on DVB_CORE && RC_CORE && HAS_DMA
+	depends on SMS_USB_DRV || SMS_SDIO_DRV
+	default y
+	---help---
+	  Choose Y or M here if you have MDTV receiver with a Siano chipset.
+
+	  To compile this driver as a module, choose M here
+	  (The module will be called smsmdtv).
+
+	  Further documentation on this driver can be found on the WWW
+	  at http://www.siano-ms.com/
diff --git a/drivers/media/common/siano/Makefile b/drivers/media/common/siano/Makefile
new file mode 100644
index 000000000000..2a09279e0648
--- /dev/null
+++ b/drivers/media/common/siano/Makefile
@@ -0,0 +1,7 @@
+smsmdtv-objs := smscoreapi.o sms-cards.o smsendian.o smsir.o
+
+obj-$(CONFIG_SMS_SIANO_MDTV) += smsmdtv.o smsdvb.o
+
+ccflags-y += -Idrivers/media/dvb-core
+ccflags-y += $(extra-cflags-y) $(extra-cflags-m)
+
diff --git a/drivers/media/common/siano/sms-cards.c b/drivers/media/common/siano/sms-cards.c
new file mode 100644
index 000000000000..680c781c8dd6
--- /dev/null
+++ b/drivers/media/common/siano/sms-cards.c
@@ -0,0 +1,311 @@
+/*
+ *  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 2 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"
+#include "smsir.h"
+#include <linux/module.h>
+
+static int sms_dbg;
+module_param_named(cards_dbg, sms_dbg, int, 0644);
+MODULE_PARM_DESC(cards_dbg, "set debug level (info=1, adv=2 (or-able))");
+
+static struct sms_board sms_boards[] = {
+	[SMS_BOARD_UNKNOWN] = {
+		.name	= "Unknown board",
+	},
+	[SMS1XXX_BOARD_SIANO_STELLAR] = {
+		.name	= "Siano Stellar Digital Receiver",
+		.type	= SMS_STELLAR,
+	},
+	[SMS1XXX_BOARD_SIANO_NOVA_A] = {
+		.name	= "Siano Nova A Digital Receiver",
+		.type	= SMS_NOVA_A0,
+	},
+	[SMS1XXX_BOARD_SIANO_NOVA_B] = {
+		.name	= "Siano Nova B Digital Receiver",
+		.type	= SMS_NOVA_B0,
+	},
+	[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 MiniStick",
+		.type	= SMS_NOVA_B0,
+		.fw[DEVICE_MODE_ISDBT_BDA] = "sms1xxx-hcw-55xxx-isdbt-02.fw",
+		.fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-hcw-55xxx-dvbt-02.fw",
+		.rc_codes = RC_MAP_HAUPPAUGE,
+		.board_cfg.leds_power = 26,
+		.board_cfg.led0 = 27,
+		.board_cfg.led1 = 28,
+		.board_cfg.ir = 9,
+		.led_power = 26,
+		.led_lo    = 27,
+		.led_hi    = 28,
+	},
+	[SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD] = {
+		.name	= "Hauppauge WinTV MiniCard",
+		.type	= SMS_NOVA_B0,
+		.fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-hcw-55xxx-dvbt-02.fw",
+		.lna_ctrl  = 29,
+		.board_cfg.foreign_lna0_ctrl = 29,
+		.rf_switch = 17,
+		.board_cfg.rf_switch_uhf = 17,
+	},
+	[SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2] = {
+		.name	= "Hauppauge WinTV MiniCard",
+		.type	= SMS_NOVA_B0,
+		.fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-hcw-55xxx-dvbt-02.fw",
+		.lna_ctrl  = -1,
+	},
+	[SMS1XXX_BOARD_SIANO_NICE] = {
+	/* 11 */
+		.name = "Siano Nice Digital Receiver",
+		.type = SMS_NOVA_B0,
+	},
+	[SMS1XXX_BOARD_SIANO_VENICE] = {
+	/* 12 */
+		.name = "Siano Venice Digital Receiver",
+		.type = SMS_VEGA,
+	},
+};
+
+struct sms_board *sms_get_board(unsigned id)
+{
+	BUG_ON(id >= ARRAY_SIZE(sms_boards));
+
+	return &sms_boards[id];
+}
+EXPORT_SYMBOL_GPL(sms_get_board);
+static inline void sms_gpio_assign_11xx_default_led_config(
+		struct smscore_gpio_config *pGpioConfig) {
+	pGpioConfig->Direction = SMS_GPIO_DIRECTION_OUTPUT;
+	pGpioConfig->InputCharacteristics =
+		SMS_GPIO_INPUT_CHARACTERISTICS_NORMAL;
+	pGpioConfig->OutputDriving = SMS_GPIO_OUTPUT_DRIVING_4mA;
+	pGpioConfig->OutputSlewRate = SMS_GPIO_OUTPUT_SLEW_RATE_0_45_V_NS;
+	pGpioConfig->PullUpDown = SMS_GPIO_PULL_UP_DOWN_NONE;
+}
+
+int sms_board_event(struct smscore_device_t *coredev,
+		enum SMS_BOARD_EVENTS gevent) {
+	struct smscore_gpio_config MyGpioConfig;
+
+	sms_gpio_assign_11xx_default_led_config(&MyGpioConfig);
+
+	switch (gevent) {
+	case BOARD_EVENT_POWER_INIT: /* including hotplug */
+		break; /* BOARD_EVENT_BIND */
+
+	case BOARD_EVENT_POWER_SUSPEND:
+		break; /* BOARD_EVENT_POWER_SUSPEND */
+
+	case BOARD_EVENT_POWER_RESUME:
+		break; /* BOARD_EVENT_POWER_RESUME */
+
+	case BOARD_EVENT_BIND:
+		break; /* BOARD_EVENT_BIND */
+
+	case BOARD_EVENT_SCAN_PROG:
+		break; /* BOARD_EVENT_SCAN_PROG */
+	case BOARD_EVENT_SCAN_COMP:
+		break; /* BOARD_EVENT_SCAN_COMP */
+	case BOARD_EVENT_EMERGENCY_WARNING_SIGNAL:
+		break; /* BOARD_EVENT_EMERGENCY_WARNING_SIGNAL */
+	case BOARD_EVENT_FE_LOCK:
+		break; /* BOARD_EVENT_FE_LOCK */
+	case BOARD_EVENT_FE_UNLOCK:
+		break; /* BOARD_EVENT_FE_UNLOCK */
+	case BOARD_EVENT_DEMOD_LOCK:
+		break; /* BOARD_EVENT_DEMOD_LOCK */
+	case BOARD_EVENT_DEMOD_UNLOCK:
+		break; /* BOARD_EVENT_DEMOD_UNLOCK */
+	case BOARD_EVENT_RECEPTION_MAX_4:
+		break; /* BOARD_EVENT_RECEPTION_MAX_4 */
+	case BOARD_EVENT_RECEPTION_3:
+		break; /* BOARD_EVENT_RECEPTION_3 */
+	case BOARD_EVENT_RECEPTION_2:
+		break; /* BOARD_EVENT_RECEPTION_2 */
+	case BOARD_EVENT_RECEPTION_1:
+		break; /* BOARD_EVENT_RECEPTION_1 */
+	case BOARD_EVENT_RECEPTION_LOST_0:
+		break; /* BOARD_EVENT_RECEPTION_LOST_0 */
+	case BOARD_EVENT_MULTIPLEX_OK:
+		break; /* BOARD_EVENT_MULTIPLEX_OK */
+	case BOARD_EVENT_MULTIPLEX_ERRORS:
+		break; /* BOARD_EVENT_MULTIPLEX_ERRORS */
+
+	default:
+		sms_err("Unknown SMS board event");
+		break;
+	}
+	return 0;
+}
+EXPORT_SYMBOL_GPL(sms_board_event);
+
+static int sms_set_gpio(struct smscore_device_t *coredev, int pin, int enable)
+{
+	int lvl, ret;
+	u32 gpio;
+	struct smscore_config_gpio gpioconfig = {
+		.direction            = SMS_GPIO_DIRECTION_OUTPUT,
+		.pullupdown           = SMS_GPIO_PULLUPDOWN_NONE,
+		.inputcharacteristics = SMS_GPIO_INPUTCHARACTERISTICS_NORMAL,
+		.outputslewrate       = SMS_GPIO_OUTPUTSLEWRATE_FAST,
+		.outputdriving        = SMS_GPIO_OUTPUTDRIVING_4mA,
+	};
+
+	if (pin == 0)
+		return -EINVAL;
+
+	if (pin < 0) {
+		/* inverted gpio */
+		gpio = pin * -1;
+		lvl = enable ? 0 : 1;
+	} else {
+		gpio = pin;
+		lvl = enable ? 1 : 0;
+	}
+
+	ret = smscore_configure_gpio(coredev, gpio, &gpioconfig);
+	if (ret < 0)
+		return ret;
+
+	return smscore_set_gpio(coredev, gpio, lvl);
+}
+
+int sms_board_setup(struct smscore_device_t *coredev)
+{
+	int board_id = smscore_get_board_id(coredev);
+	struct sms_board *board = sms_get_board(board_id);
+
+	switch (board_id) {
+	case SMS1XXX_BOARD_HAUPPAUGE_WINDHAM:
+		/* turn off all LEDs */
+		sms_set_gpio(coredev, board->led_power, 0);
+		sms_set_gpio(coredev, board->led_hi, 0);
+		sms_set_gpio(coredev, board->led_lo, 0);
+		break;
+	case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2:
+	case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD:
+		/* turn off LNA */
+		sms_set_gpio(coredev, board->lna_ctrl, 0);
+		break;
+	}
+	return 0;
+}
+EXPORT_SYMBOL_GPL(sms_board_setup);
+
+int sms_board_power(struct smscore_device_t *coredev, int onoff)
+{
+	int board_id = smscore_get_board_id(coredev);
+	struct sms_board *board = sms_get_board(board_id);
+
+	switch (board_id) {
+	case SMS1XXX_BOARD_HAUPPAUGE_WINDHAM:
+		/* power LED */
+		sms_set_gpio(coredev,
+			     board->led_power, onoff ? 1 : 0);
+		break;
+	case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2:
+	case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD:
+		/* LNA */
+		if (!onoff)
+			sms_set_gpio(coredev, board->lna_ctrl, 0);
+		break;
+	}
+	return 0;
+}
+EXPORT_SYMBOL_GPL(sms_board_power);
+
+int sms_board_led_feedback(struct smscore_device_t *coredev, int led)
+{
+	int board_id = smscore_get_board_id(coredev);
+	struct sms_board *board = sms_get_board(board_id);
+
+	/* dont touch GPIO if LEDs are already set */
+	if (smscore_led_state(coredev, -1) == led)
+		return 0;
+
+	switch (board_id) {
+	case SMS1XXX_BOARD_HAUPPAUGE_WINDHAM:
+		sms_set_gpio(coredev,
+			     board->led_lo, (led & SMS_LED_LO) ? 1 : 0);
+		sms_set_gpio(coredev,
+			     board->led_hi, (led & SMS_LED_HI) ? 1 : 0);
+
+		smscore_led_state(coredev, led);
+		break;
+	}
+	return 0;
+}
+EXPORT_SYMBOL_GPL(sms_board_led_feedback);
+
+int sms_board_lna_control(struct smscore_device_t *coredev, int onoff)
+{
+	int board_id = smscore_get_board_id(coredev);
+	struct sms_board *board = sms_get_board(board_id);
+
+	sms_debug("%s: LNA %s", __func__, onoff ? "enabled" : "disabled");
+
+	switch (board_id) {
+	case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2:
+	case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD:
+		sms_set_gpio(coredev,
+			     board->rf_switch, onoff ? 1 : 0);
+		return sms_set_gpio(coredev,
+				    board->lna_ctrl, onoff ? 1 : 0);
+	}
+	return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(sms_board_lna_control);
+
+int sms_board_load_modules(int id)
+{
+	switch (id) {
+	case SMS1XXX_BOARD_HAUPPAUGE_CATAMOUNT:
+	case SMS1XXX_BOARD_HAUPPAUGE_OKEMO_A:
+	case SMS1XXX_BOARD_HAUPPAUGE_OKEMO_B:
+	case SMS1XXX_BOARD_HAUPPAUGE_WINDHAM:
+	case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD:
+	case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2:
+		request_module("smsdvb");
+		break;
+	default:
+		/* do nothing */
+		break;
+	}
+	return 0;
+}
+EXPORT_SYMBOL_GPL(sms_board_load_modules);
diff --git a/drivers/media/common/siano/sms-cards.h b/drivers/media/common/siano/sms-cards.h
new file mode 100644
index 000000000000..d8cdf756f7cf
--- /dev/null
+++ b/drivers/media/common/siano/sms-cards.h
@@ -0,0 +1,123 @@
+/*
+ *  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 2 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"
+#include "smsir.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
+#define SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD 9
+#define SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2 10
+#define SMS1XXX_BOARD_SIANO_NICE	11
+#define SMS1XXX_BOARD_SIANO_VENICE	12
+
+struct sms_board_gpio_cfg {
+	int lna_vhf_exist;
+	int lna_vhf_ctrl;
+	int lna_uhf_exist;
+	int lna_uhf_ctrl;
+	int lna_uhf_d_ctrl;
+	int lna_sband_exist;
+	int lna_sband_ctrl;
+	int lna_sband_d_ctrl;
+	int foreign_lna0_ctrl;
+	int foreign_lna1_ctrl;
+	int foreign_lna2_ctrl;
+	int rf_switch_vhf;
+	int rf_switch_uhf;
+	int rf_switch_sband;
+	int leds_power;
+	int led0;
+	int led1;
+	int led2;
+	int led3;
+	int led4;
+	int ir;
+	int eeprom_wp;
+	int mrc_sense;
+	int mrc_pdn_resetn;
+	int mrc_gp0; /* mrcs spi int */
+	int mrc_gp1;
+	int mrc_gp2;
+	int mrc_gp3;
+	int mrc_gp4;
+	int host_spi_gsp_ts_int;
+};
+
+struct sms_board {
+	enum sms_device_type_st type;
+	char *name, *fw[DEVICE_MODE_MAX];
+	struct sms_board_gpio_cfg board_cfg;
+	char *rc_codes;				/* Name of IR codes table */
+
+	/* gpios */
+	int led_power, led_hi, led_lo, lna_ctrl, rf_switch;
+};
+
+struct sms_board *sms_get_board(unsigned id);
+
+extern struct smscore_device_t *coredev;
+
+enum SMS_BOARD_EVENTS {
+	BOARD_EVENT_POWER_INIT,
+	BOARD_EVENT_POWER_SUSPEND,
+	BOARD_EVENT_POWER_RESUME,
+	BOARD_EVENT_BIND,
+	BOARD_EVENT_SCAN_PROG,
+	BOARD_EVENT_SCAN_COMP,
+	BOARD_EVENT_EMERGENCY_WARNING_SIGNAL,
+	BOARD_EVENT_FE_LOCK,
+	BOARD_EVENT_FE_UNLOCK,
+	BOARD_EVENT_DEMOD_LOCK,
+	BOARD_EVENT_DEMOD_UNLOCK,
+	BOARD_EVENT_RECEPTION_MAX_4,
+	BOARD_EVENT_RECEPTION_3,
+	BOARD_EVENT_RECEPTION_2,
+	BOARD_EVENT_RECEPTION_1,
+	BOARD_EVENT_RECEPTION_LOST_0,
+	BOARD_EVENT_MULTIPLEX_OK,
+	BOARD_EVENT_MULTIPLEX_ERRORS
+};
+
+int sms_board_event(struct smscore_device_t *coredev,
+		enum SMS_BOARD_EVENTS gevent);
+
+int sms_board_setup(struct smscore_device_t *coredev);
+
+#define SMS_LED_OFF 0
+#define SMS_LED_LO  1
+#define SMS_LED_HI  2
+int sms_board_led_feedback(struct smscore_device_t *coredev, int led);
+int sms_board_power(struct smscore_device_t *coredev, int onoff);
+int sms_board_lna_control(struct smscore_device_t *coredev, int onoff);
+
+extern int sms_board_load_modules(int id);
+
+#endif /* __SMS_CARDS_H__ */
diff --git a/drivers/media/common/siano/smscoreapi.c b/drivers/media/common/siano/smscoreapi.c
new file mode 100644
index 000000000000..9cc55546cc30
--- /dev/null
+++ b/drivers/media/common/siano/smscoreapi.c
@@ -0,0 +1,1637 @@
+/*
+ *  Siano core API module
+ *
+ *  This file contains implementation for the interface to sms core component
+ *
+ *  author: Uri Shkolnik
+ *
+ *  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 2 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/slab.h>
+
+#include <linux/firmware.h>
+#include <linux/wait.h>
+#include <asm/byteorder.h>
+
+#include "smscoreapi.h"
+#include "sms-cards.h"
+#include "smsir.h"
+#include "smsendian.h"
+
+static int sms_dbg;
+module_param_named(debug, sms_dbg, 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;
+};
+
+void smscore_set_board_id(struct smscore_device_t *core, int id)
+{
+	core->board_id = id;
+}
+
+int smscore_led_state(struct smscore_device_t *core, int led)
+{
+	if (led >= 0)
+		core->led_state = led;
+	return core->led_state;
+}
+EXPORT_SYMBOL_GPL(smscore_set_board_id);
+
+int smscore_get_board_id(struct smscore_device_t *core)
+{
+	return core->board_id;
+}
+EXPORT_SYMBOL_GPL(smscore_get_board_id);
+
+struct smscore_registry_entry_t {
+	struct list_head entry;
+	char			devpath[32];
+	int				mode;
+	enum sms_device_type_st	type;
+};
+
+static struct list_head g_smscore_notifyees;
+static struct list_head g_smscore_devices;
+static struct mutex g_smscore_deviceslock;
+
+static struct list_head g_smscore_registry;
+static 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 = 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;
+}
+EXPORT_SYMBOL_GPL(smscore_registry_getmode);
+
+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;
+}
+EXPORT_SYMBOL_GPL(smscore_register_hotplug);
+
+/**
+ * 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);
+}
+EXPORT_SYMBOL_GPL(smscore_unregister_hotplug);
+
+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 smscore_device_notifyee_t *elem;
+	int rc = 0;
+
+	/* note: must be called under g_deviceslock */
+
+	list_for_each_entry(elem, &g_smscore_notifyees, entry) {
+		rc = elem->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);
+	init_completion(&dev->gpio_configuration_done);
+	init_completion(&dev->gpio_set_level_done);
+	init_completion(&dev->gpio_get_level_done);
+	init_completion(&dev->ir_init_done);
+
+	/* Buffer management */
+	init_waitqueue_head(&dev->buffer_mng_waitq);
+
+	/* 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;
+}
+EXPORT_SYMBOL_GPL(smscore_register_device);
+
+
+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(SMS_PROTOCOL_MAX_RAOUNDTRIP_MS)) ?
+			0 : -ETIME;
+}
+
+/**
+ * Starts & enables IR operations
+ *
+ * @return 0 on success, < 0 on error.
+ */
+static int smscore_init_ir(struct smscore_device_t *coredev)
+{
+	int ir_io;
+	int rc;
+	void *buffer;
+
+	coredev->ir.dev = NULL;
+	ir_io = sms_get_board(smscore_get_board_id(coredev))->board_cfg.ir;
+	if (ir_io) {/* only if IR port exist we use IR sub-module */
+		sms_info("IR loading");
+		rc = sms_ir_init(coredev);
+
+		if	(rc != 0)
+			sms_err("Error initialization DTV IR sub-module");
+		else {
+			buffer = kmalloc(sizeof(struct SmsMsgData_ST2) +
+						SMS_DMA_ALIGNMENT,
+						GFP_KERNEL | GFP_DMA);
+			if (buffer) {
+				struct SmsMsgData_ST2 *msg =
+				(struct SmsMsgData_ST2 *)
+				SMS_ALIGN_ADDRESS(buffer);
+
+				SMS_INIT_MSG(&msg->xMsgHeader,
+						MSG_SMS_START_IR_REQ,
+						sizeof(struct SmsMsgData_ST2));
+				msg->msgData[0] = coredev->ir.controller;
+				msg->msgData[1] = coredev->ir.timeout;
+
+				smsendian_handle_tx_message(
+					(struct SmsMsgHdr_ST2 *)msg);
+				rc = smscore_sendrequest_and_wait(coredev, msg,
+						msg->xMsgHeader. msgLength,
+						&coredev->ir_init_done);
+
+				kfree(buffer);
+			} else
+				sms_err
+				("Sending IR initialization message failed");
+		}
+	} else
+		sms_info("IR port has not been detected");
+
+	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);
+	smscore_init_ir(coredev);
+
+	sms_info("device %p started, rc %d", coredev, rc);
+
+	kmutex_unlock(&g_smscore_deviceslock);
+
+	return rc;
+}
+EXPORT_SYMBOL_GPL(smscore_start_device);
+
+
+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;
+	u8 *payload = firmware->Payload;
+	int rc = 0;
+	firmware->StartAddress = le32_to_cpu(firmware->StartAddress);
+	firmware->Length = le32_to_cpu(firmware->Length);
+
+	mem_address = firmware->StartAddress;
+
+	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);
+
+	/* Release input device (IR) resources */
+	sms_ir_exit(coredev);
+
+	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 (!list_empty(&coredev->buffers)) {
+			cb = (struct smscore_buffer_t *) coredev->buffers.next;
+			list_del(&cb->entry);
+			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);
+
+	if (coredev->fw_buf != NULL)
+		kfree(coredev->fw_buf);
+
+	list_del(&coredev->entry);
+	kfree(coredev);
+
+	kmutex_unlock(&g_smscore_deviceslock);
+
+	sms_info("device %p destroyed", coredev);
+}
+EXPORT_SYMBOL_GPL(smscore_unregister_device);
+
+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", "tdmb_nova_12mhz_b0.inp", "none"},
+	/*DABIP*/
+	{"none", "none", "none", "none"},
+	/*BDA*/
+	{"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"},
+	/*ISDBT*/
+	{"none", "isdbt_nova_12mhz.inp", "isdbt_nova_12mhz_b0.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;
+}
+EXPORT_SYMBOL_GPL(smscore_get_device_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 list_head *first;
+	struct smscore_client_t *client;
+	unsigned long flags;
+	struct list_head *firstid;
+	struct smscore_idlist_t *client_id;
+
+	spin_lock_irqsave(&coredev->clientslock, flags);
+	first = &coredev->clients;
+	list_for_each_entry(client, first, entry) {
+		firstid = &client->idlist;
+		list_for_each_entry(client_id, firstid, entry) {
+			if ((client_id->id == id) &&
+			    (client_id->data_type == data_type ||
+			    (client_id->data_type == 0)))
+				goto found;
+		}
+	}
+	client = NULL;
+found:
+	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;
+	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;
+	/* Do we need to re-route? */
+	if ((phdr->msgType == MSG_SMS_HO_PER_SLICES_IND) ||
+			(phdr->msgType == MSG_SMS_TRANSMISSION_IND)) {
+		if (coredev->mode == DEVICE_MODE_DVBT_BDA)
+			phdr->msgDstId = DVBT_BDA_CONTROL_MSG_ID;
+	}
+
+
+	client = smscore_find_client(coredev, phdr->msgType, phdr->msgDstId);
+
+	/* 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;
+		case MSG_SMS_GPIO_CONFIG_EX_RES:
+			sms_debug("MSG_SMS_GPIO_CONFIG_EX_RES");
+			complete(&coredev->gpio_configuration_done);
+			break;
+		case MSG_SMS_GPIO_SET_LEVEL_RES:
+			sms_debug("MSG_SMS_GPIO_SET_LEVEL_RES");
+			complete(&coredev->gpio_set_level_done);
+			break;
+		case MSG_SMS_GPIO_GET_LEVEL_RES:
+		{
+			u32 *msgdata = (u32 *) phdr;
+			coredev->gpio_get_res = msgdata[1];
+			sms_debug("MSG_SMS_GPIO_GET_LEVEL_RES gpio level %d",
+					coredev->gpio_get_res);
+			complete(&coredev->gpio_get_level_done);
+			break;
+		}
+		case MSG_SMS_START_IR_RES:
+			complete(&coredev->ir_init_done);
+			break;
+		case MSG_SMS_IR_SAMPLES_IND:
+			sms_ir_event(coredev,
+				(const char *)
+				((char *)phdr
+				+ sizeof(struct SmsMsgHdr_ST)),
+				(int)phdr->msgLength
+				- sizeof(struct SmsMsgHdr_ST));
+			break;
+
+		default:
+			break;
+		}
+		smscore_putbuffer(coredev, cb);
+	}
+}
+EXPORT_SYMBOL_GPL(smscore_onresponse);
+
+/**
+ * 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 *get_entry(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;
+}
+
+struct smscore_buffer_t *smscore_getbuffer(struct smscore_device_t *coredev)
+{
+	struct smscore_buffer_t *cb = NULL;
+
+	wait_event(coredev->buffer_mng_waitq, (cb = get_entry(coredev)));
+
+	return cb;
+}
+EXPORT_SYMBOL_GPL(smscore_getbuffer);
+
+/**
+ * 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) {
+	wake_up_interruptible(&coredev->buffer_mng_waitq);
+	list_add_locked(&cb->entry, &coredev->buffers, &coredev->bufferslock);
+}
+EXPORT_SYMBOL_GPL(smscore_putbuffer);
+
+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 -EINVAL;
+	}
+	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;
+}
+EXPORT_SYMBOL_GPL(smscore_register_client);
+
+/**
+ * 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);
+}
+EXPORT_SYMBOL_GPL(smscore_unregister_client);
+
+/**
+ * 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);
+}
+EXPORT_SYMBOL_GPL(smsclient_sendrequest);
+
+
+/* old GPIO managements implementation */
+int smscore_configure_gpio(struct smscore_device_t *coredev, u32 pin,
+			   struct smscore_config_gpio *pinconfig)
+{
+	struct {
+		struct SmsMsgHdr_ST hdr;
+		u32 data[6];
+	} msg;
+
+	if (coredev->device_flags & SMS_DEVICE_FAMILY2) {
+		msg.hdr.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
+		msg.hdr.msgDstId = HIF_TASK;
+		msg.hdr.msgFlags = 0;
+		msg.hdr.msgType  = MSG_SMS_GPIO_CONFIG_EX_REQ;
+		msg.hdr.msgLength = sizeof(msg);
+
+		msg.data[0] = pin;
+		msg.data[1] = pinconfig->pullupdown;
+
+		/* Convert slew rate for Nova: Fast(0) = 3 / Slow(1) = 0; */
+		msg.data[2] = pinconfig->outputslewrate == 0 ? 3 : 0;
+
+		switch (pinconfig->outputdriving) {
+		case SMS_GPIO_OUTPUTDRIVING_16mA:
+			msg.data[3] = 7; /* Nova - 16mA */
+			break;
+		case SMS_GPIO_OUTPUTDRIVING_12mA:
+			msg.data[3] = 5; /* Nova - 11mA */
+			break;
+		case SMS_GPIO_OUTPUTDRIVING_8mA:
+			msg.data[3] = 3; /* Nova - 7mA */
+			break;
+		case SMS_GPIO_OUTPUTDRIVING_4mA:
+		default:
+			msg.data[3] = 2; /* Nova - 4mA */
+			break;
+		}
+
+		msg.data[4] = pinconfig->direction;
+		msg.data[5] = 0;
+	} else /* TODO: SMS_DEVICE_FAMILY1 */
+		return -EINVAL;
+
+	return coredev->sendrequest_handler(coredev->context,
+					    &msg, sizeof(msg));
+}
+
+int smscore_set_gpio(struct smscore_device_t *coredev, u32 pin, int level)
+{
+	struct {
+		struct SmsMsgHdr_ST hdr;
+		u32 data[3];
+	} msg;
+
+	if (pin > MAX_GPIO_PIN_NUMBER)
+		return -EINVAL;
+
+	msg.hdr.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
+	msg.hdr.msgDstId = HIF_TASK;
+	msg.hdr.msgFlags = 0;
+	msg.hdr.msgType  = MSG_SMS_GPIO_SET_LEVEL_REQ;
+	msg.hdr.msgLength = sizeof(msg);
+
+	msg.data[0] = pin;
+	msg.data[1] = level ? 1 : 0;
+	msg.data[2] = 0;
+
+	return coredev->sendrequest_handler(coredev->context,
+					    &msg, sizeof(msg));
+}
+
+/* new GPIO management implementation */
+static int GetGpioPinParams(u32 PinNum, u32 *pTranslatedPinNum,
+		u32 *pGroupNum, u32 *pGroupCfg) {
+
+	*pGroupCfg = 1;
+
+	if (PinNum <= 1)	{
+		*pTranslatedPinNum = 0;
+		*pGroupNum = 9;
+		*pGroupCfg = 2;
+	} else if (PinNum >= 2 && PinNum <= 6) {
+		*pTranslatedPinNum = 2;
+		*pGroupNum = 0;
+		*pGroupCfg = 2;
+	} else if (PinNum >= 7 && PinNum <= 11) {
+		*pTranslatedPinNum = 7;
+		*pGroupNum = 1;
+	} else if (PinNum >= 12 && PinNum <= 15) {
+		*pTranslatedPinNum = 12;
+		*pGroupNum = 2;
+		*pGroupCfg = 3;
+	} else if (PinNum == 16) {
+		*pTranslatedPinNum = 16;
+		*pGroupNum = 23;
+	} else if (PinNum >= 17 && PinNum <= 24) {
+		*pTranslatedPinNum = 17;
+		*pGroupNum = 3;
+	} else if (PinNum == 25) {
+		*pTranslatedPinNum = 25;
+		*pGroupNum = 6;
+	} else if (PinNum >= 26 && PinNum <= 28) {
+		*pTranslatedPinNum = 26;
+		*pGroupNum = 4;
+	} else if (PinNum == 29) {
+		*pTranslatedPinNum = 29;
+		*pGroupNum = 5;
+		*pGroupCfg = 2;
+	} else if (PinNum == 30) {
+		*pTranslatedPinNum = 30;
+		*pGroupNum = 8;
+	} else if (PinNum == 31) {
+		*pTranslatedPinNum = 31;
+		*pGroupNum = 17;
+	} else
+		return -1;
+
+	*pGroupCfg <<= 24;
+
+	return 0;
+}
+
+int smscore_gpio_configure(struct smscore_device_t *coredev, u8 PinNum,
+		struct smscore_gpio_config *pGpioConfig) {
+
+	u32 totalLen;
+	u32 TranslatedPinNum = 0;
+	u32 GroupNum = 0;
+	u32 ElectricChar;
+	u32 groupCfg;
+	void *buffer;
+	int rc;
+
+	struct SetGpioMsg {
+		struct SmsMsgHdr_ST xMsgHeader;
+		u32 msgData[6];
+	} *pMsg;
+
+
+	if (PinNum > MAX_GPIO_PIN_NUMBER)
+		return -EINVAL;
+
+	if (pGpioConfig == NULL)
+		return -EINVAL;
+
+	totalLen = sizeof(struct SmsMsgHdr_ST) + (sizeof(u32) * 6);
+
+	buffer = kmalloc(totalLen + SMS_DMA_ALIGNMENT,
+			GFP_KERNEL | GFP_DMA);
+	if (!buffer)
+		return -ENOMEM;
+
+	pMsg = (struct SetGpioMsg *) SMS_ALIGN_ADDRESS(buffer);
+
+	pMsg->xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
+	pMsg->xMsgHeader.msgDstId = HIF_TASK;
+	pMsg->xMsgHeader.msgFlags = 0;
+	pMsg->xMsgHeader.msgLength = (u16) totalLen;
+	pMsg->msgData[0] = PinNum;
+
+	if (!(coredev->device_flags & SMS_DEVICE_FAMILY2)) {
+		pMsg->xMsgHeader.msgType = MSG_SMS_GPIO_CONFIG_REQ;
+		if (GetGpioPinParams(PinNum, &TranslatedPinNum, &GroupNum,
+				&groupCfg) != 0) {
+			rc = -EINVAL;
+			goto free;
+		}
+
+		pMsg->msgData[1] = TranslatedPinNum;
+		pMsg->msgData[2] = GroupNum;
+		ElectricChar = (pGpioConfig->PullUpDown)
+				| (pGpioConfig->InputCharacteristics << 2)
+				| (pGpioConfig->OutputSlewRate << 3)
+				| (pGpioConfig->OutputDriving << 4);
+		pMsg->msgData[3] = ElectricChar;
+		pMsg->msgData[4] = pGpioConfig->Direction;
+		pMsg->msgData[5] = groupCfg;
+	} else {
+		pMsg->xMsgHeader.msgType = MSG_SMS_GPIO_CONFIG_EX_REQ;
+		pMsg->msgData[1] = pGpioConfig->PullUpDown;
+		pMsg->msgData[2] = pGpioConfig->OutputSlewRate;
+		pMsg->msgData[3] = pGpioConfig->OutputDriving;
+		pMsg->msgData[4] = pGpioConfig->Direction;
+		pMsg->msgData[5] = 0;
+	}
+
+	smsendian_handle_tx_message((struct SmsMsgHdr_ST *)pMsg);
+	rc = smscore_sendrequest_and_wait(coredev, pMsg, totalLen,
+			&coredev->gpio_configuration_done);
+
+	if (rc != 0) {
+		if (rc == -ETIME)
+			sms_err("smscore_gpio_configure timeout");
+		else
+			sms_err("smscore_gpio_configure error");
+	}
+free:
+	kfree(buffer);
+
+	return rc;
+}
+
+int smscore_gpio_set_level(struct smscore_device_t *coredev, u8 PinNum,
+		u8 NewLevel) {
+
+	u32 totalLen;
+	int rc;
+	void *buffer;
+
+	struct SetGpioMsg {
+		struct SmsMsgHdr_ST xMsgHeader;
+		u32 msgData[3]; /* keep it 3 ! */
+	} *pMsg;
+
+	if ((NewLevel > 1) || (PinNum > MAX_GPIO_PIN_NUMBER))
+		return -EINVAL;
+
+	totalLen = sizeof(struct SmsMsgHdr_ST) +
+			(3 * sizeof(u32)); /* keep it 3 ! */
+
+	buffer = kmalloc(totalLen + SMS_DMA_ALIGNMENT,
+			GFP_KERNEL | GFP_DMA);
+	if (!buffer)
+		return -ENOMEM;
+
+	pMsg = (struct SetGpioMsg *) SMS_ALIGN_ADDRESS(buffer);
+
+	pMsg->xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
+	pMsg->xMsgHeader.msgDstId = HIF_TASK;
+	pMsg->xMsgHeader.msgFlags = 0;
+	pMsg->xMsgHeader.msgType = MSG_SMS_GPIO_SET_LEVEL_REQ;
+	pMsg->xMsgHeader.msgLength = (u16) totalLen;
+	pMsg->msgData[0] = PinNum;
+	pMsg->msgData[1] = NewLevel;
+
+	/* Send message to SMS */
+	smsendian_handle_tx_message((struct SmsMsgHdr_ST *)pMsg);
+	rc = smscore_sendrequest_and_wait(coredev, pMsg, totalLen,
+			&coredev->gpio_set_level_done);
+
+	if (rc != 0) {
+		if (rc == -ETIME)
+			sms_err("smscore_gpio_set_level timeout");
+		else
+			sms_err("smscore_gpio_set_level error");
+	}
+	kfree(buffer);
+
+	return rc;
+}
+
+int smscore_gpio_get_level(struct smscore_device_t *coredev, u8 PinNum,
+		u8 *level) {
+
+	u32 totalLen;
+	int rc;
+	void *buffer;
+
+	struct SetGpioMsg {
+		struct SmsMsgHdr_ST xMsgHeader;
+		u32 msgData[2];
+	} *pMsg;
+
+
+	if (PinNum > MAX_GPIO_PIN_NUMBER)
+		return -EINVAL;
+
+	totalLen = sizeof(struct SmsMsgHdr_ST) + (2 * sizeof(u32));
+
+	buffer = kmalloc(totalLen + SMS_DMA_ALIGNMENT,
+			GFP_KERNEL | GFP_DMA);
+	if (!buffer)
+		return -ENOMEM;
+
+	pMsg = (struct SetGpioMsg *) SMS_ALIGN_ADDRESS(buffer);
+
+	pMsg->xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
+	pMsg->xMsgHeader.msgDstId = HIF_TASK;
+	pMsg->xMsgHeader.msgFlags = 0;
+	pMsg->xMsgHeader.msgType = MSG_SMS_GPIO_GET_LEVEL_REQ;
+	pMsg->xMsgHeader.msgLength = (u16) totalLen;
+	pMsg->msgData[0] = PinNum;
+	pMsg->msgData[1] = 0;
+
+	/* Send message to SMS */
+	smsendian_handle_tx_message((struct SmsMsgHdr_ST *)pMsg);
+	rc = smscore_sendrequest_and_wait(coredev, pMsg, totalLen,
+			&coredev->gpio_get_level_done);
+
+	if (rc != 0) {
+		if (rc == -ETIME)
+			sms_err("smscore_gpio_get_level timeout");
+		else
+			sms_err("smscore_gpio_get_level error");
+	}
+	kfree(buffer);
+
+	/* Its a race between other gpio_get_level() and the copy of the single
+	 * global 'coredev->gpio_get_res' to  the function's variable 'level'
+	 */
+	*level = coredev->gpio_get_res;
+
+	return rc;
+}
+
+static int __init 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);
+
+	return rc;
+}
+
+static void __exit 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);
+
+	sms_debug("");
+}
+
+module_init(smscore_module_init);
+module_exit(smscore_module_exit);
+
+MODULE_DESCRIPTION("Siano MDTV Core module");
+MODULE_AUTHOR("Siano Mobile Silicon, Inc. (uris@siano-ms.com)");
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/common/siano/smscoreapi.h b/drivers/media/common/siano/smscoreapi.h
new file mode 100644
index 000000000000..c592ae090397
--- /dev/null
+++ b/drivers/media/common/siano/smscoreapi.h
@@ -0,0 +1,775 @@
+/****************************************************************
+
+Siano Mobile Silicon, Inc.
+MDTV receiver kernel modules.
+Copyright (C) 2006-2008, Uri Shkolnik, Anatoly Greenblat
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+****************************************************************/
+
+#ifndef __SMS_CORE_API_H__
+#define __SMS_CORE_API_H__
+
+#include <linux/device.h>
+#include <linux/list.h>
+#include <linux/mm.h>
+#include <linux/scatterlist.h>
+#include <linux/types.h>
+#include <linux/mutex.h>
+#include <linux/wait.h>
+#include <linux/timer.h>
+
+#include <asm/page.h>
+
+#include "smsir.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_PROTOCOL_MAX_RAOUNDTRIP_MS			(10000)
+#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;
+};
+
+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;
+
+	/* host <--> device messages */
+	struct completion version_ex_done, data_download_done, trigger_done;
+	struct completion init_device_done, reload_start_done, resume_done;
+	struct completion gpio_configuration_done, gpio_set_level_done;
+	struct completion gpio_get_level_done, ir_init_done;
+
+	/* Buffer management */
+	wait_queue_head_t buffer_mng_waitq;
+
+	/* GPIO */
+	int gpio_get_res;
+
+	/* Target hardware board */
+	int board_id;
+
+	/* Firmware */
+	u8 *fw_buf;
+	u32 fw_buf_size;
+
+	/* Infrared (IR) */
+	struct ir_t ir;
+
+	int led_state;
+};
+
+/* 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_RES			616
+#define MSG_SMS_GET_STATISTICS_REQ			615
+#define MSG_SMS_HO_PER_SLICES_IND			630
+#define MSG_SMS_SET_ANTENNA_CONFIG_REQ			651
+#define MSG_SMS_SET_ANTENNA_CONFIG_RES			652
+#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_GPIO_CONFIG_EX_REQ			712
+#define MSG_SMS_GPIO_CONFIG_EX_RES			713
+#define MSG_SMS_ISDBT_TUNE_REQ				776
+#define MSG_SMS_ISDBT_TUNE_RES				777
+#define MSG_SMS_TRANSMISSION_IND			782
+#define MSG_SMS_START_IR_REQ				800
+#define MSG_SMS_START_IR_RES				801
+#define MSG_SMS_IR_SAMPLES_IND				802
+#define MSG_SMS_SIGNAL_DETECTED_IND			827
+#define MSG_SMS_NO_SIGNAL_IND				828
+
+#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_DVB3_EVENTS {
+	DVB3_EVENT_INIT = 0,
+	DVB3_EVENT_SLEEP,
+	DVB3_EVENT_HOTPLUG,
+	DVB3_EVENT_FE_LOCK,
+	DVB3_EVENT_FE_UNLOCK,
+	DVB3_EVENT_UNC_OK,
+	DVB3_EVENT_UNC_ERR
+};
+
+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 SmsMsgData_ST2 {
+	struct SmsMsgHdr_ST xMsgHeader;
+	u32 msgData[2];
+};
+
+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 */
+
+	/* FirmwareId 0xFF if ROM, otherwise the
+	 * value indicated by SMSHOSTLIB_DEVICE_MODES_E */
+	u8 FirmwareId;
+	/* SupportedProtocols Bitwise OR combination of
+					     * supported protocols */
+	u8 SupportedProtocols;
+
+	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];
+};
+
+/* Statistics information returned as response for
+ * SmsHostApiGetStatistics_Req */
+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 */
+	u32 Frequency;		/* Frequency in Hz */
+	u32 Bandwidth;		/* Bandwidth in MHz, valid only for DVB-T/H */
+	u32 TransmissionMode;	/* Transmission Mode, for DAB modes 1-4,
+	for DVB-T/H FFT mode carriers in Kilos */
+	u32 ModemState;		/* from SMSHOSTLIB_DVB_MODEM_STATE_ET,
+	valid only for DVB-T/H */
+	u32 GuardInterval;	/* Guard Interval from
+	SMSHOSTLIB_GUARD_INTERVALS_ET, 	valid only for DVB-T/H */
+	u32 CodeRate;		/* Code Rate from SMSHOSTLIB_CODE_RATE_ET,
+	valid only for DVB-T/H */
+	u32 LPCodeRate;		/* Low Priority Code Rate from
+	SMSHOSTLIB_CODE_RATE_ET, valid only for DVB-T/H */
+	u32 Hierarchy;		/* Hierarchy from SMSHOSTLIB_HIERARCHY_ET,
+	valid only for DVB-T/H */
+	u32 Constellation;	/* Constellation from
+	SMSHOSTLIB_CONSTELLATION_ET, valid only for DVB-T/H */
+
+	/* Burst parameters, valid only for DVB-H */
+	u32 BurstSize;		/* Current burst size in bytes,
+	valid only for DVB-H */
+	u32 BurstDuration;	/* Current burst duration in mSec,
+	valid only for DVB-H */
+	u32 BurstCycleTime;	/* Current burst cycle time in mSec,
+	valid only for DVB-H */
+	u32 CalculatedBurstCycleTime;/* Current burst cycle time in mSec,
+	as calculated by demodulator, valid only for DVB-H */
+	u32 NumOfRows;		/* Number of rows in MPE table,
+	valid only for DVB-H */
+	u32 NumOfPaddCols;	/* Number of padding columns in MPE table,
+	valid only for DVB-H */
+	u32 NumOfPunctCols;	/* Number of puncturing columns in MPE table,
+	valid only for DVB-H */
+	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 */
+	u32 DvbhSrvIndHP;	/* DVB-H service indication info, bit 1 -
+	Time Slicing indicator, bit 0 - MPE-FEC indicator */
+	u32 DvbhSrvIndLP;	/* DVB-H service indication info, bit 1 -
+	Time Slicing indicator, bit 0 - MPE-FEC indicator */
+
+	u32 NumMPEReceived;	/* DVB-H, Num MPE section received */
+
+	u32 ReservedFields[10];	/* Reserved */
+};
+
+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 SMSHOSTLIB_ISDBT_LAYER_STAT_ST {
+	/* Per-layer information */
+	u32 CodeRate; /* Code Rate from SMSHOSTLIB_CODE_RATE_ET,
+		       * 255 means layer does not exist */
+	u32 Constellation; /* Constellation from SMSHOSTLIB_CONSTELLATION_ET,
+			    * 255 means layer does not exist */
+	u32 BER; /* Post Viterbi BER [1E-5], 0xFFFFFFFF indicate N/A */
+	u32 BERErrorCount; /* Post Viterbi Error Bits Count */
+	u32 BERBitCount; /* Post Viterbi Total Bits Count */
+	u32 PreBER; /* Pre Viterbi BER [1E-5], 0xFFFFFFFF indicate N/A */
+	u32 TS_PER; /* Transport stream PER [%], 0xFFFFFFFF indicate N/A */
+	u32 ErrorTSPackets; /* Number of erroneous transport-stream packets */
+	u32 TotalTSPackets; /* Total number of transport-stream packets */
+	u32 TILdepthI; /* Time interleaver depth I parameter,
+			* 255 means layer does not exist */
+	u32 NumberOfSegments; /* Number of segments in layer A,
+			       * 255 means layer does not exist */
+	u32 TMCCErrors; /* TMCC errors */
+};
+
+struct SMSHOSTLIB_STATISTICS_ISDBT_ST {
+	u32 StatisticsType; /* Enumerator identifying the type of the
+				* structure.  Values are the same as
+				* SMSHOSTLIB_DEVICE_MODES_E
+				*
+				* This field MUST always be first in any
+				* statistics structure */
+
+	u32 FullSize; /* Total size of the structure returned by the modem.
+		       * If the size requested by the host is smaller than
+		       * FullSize, the struct will be truncated */
+
+	/* 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 */
+	s32  RSSI; /* dBm */
+	s32  InBandPwr; /* In band power in dBM */
+	s32  CarrierOffset; /* Carrier Offset in Hz */
+
+	/* Transmission parameters */
+	u32 Frequency; /* Frequency in Hz */
+	u32 Bandwidth; /* Bandwidth in MHz */
+	u32 TransmissionMode; /* ISDB-T transmission mode */
+	u32 ModemState; /* 0 - Acquisition, 1 - Locked */
+	u32 GuardInterval; /* Guard Interval, 1 divided by value */
+	u32 SystemType; /* ISDB-T system type (ISDB-T / ISDB-Tsb) */
+	u32 PartialReception; /* TRUE - partial reception, FALSE otherwise */
+	u32 NumOfLayers; /* Number of ISDB-T layers in the network */
+
+	/* Per-layer information */
+	/* Layers A, B and C */
+	struct SMSHOSTLIB_ISDBT_LAYER_STAT_ST	LayerInfo[3];
+	/* Per-layer statistics, see SMSHOSTLIB_ISDBT_LAYER_STAT_ST */
+
+	/* Interface information */
+	u32 SmsToHostTxErrors; /* Total number of transmission errors. */
+};
+
+struct PID_STATISTICS_DATA_S {
+	struct PID_BURST_S {
+		u32 size;
+		u32 padding_cols;
+		u32 punct_cols;
+		u32 duration;
+		u32 cycle;
+		u32 calc_cycle;
+	} burst;
+
+	u32 tot_tbl_cnt;
+	u32 invalid_tbl_cnt;
+	u32 tot_cor_tbl;
+};
+
+struct PID_DATA_S {
+	u32 pid;
+	u32 num_rows;
+	struct PID_STATISTICS_DATA_S pid_statistics;
+};
+
+#define CORRECT_STAT_RSSI(_stat) ((_stat).RSSI *= -1)
+#define CORRECT_STAT_BANDWIDTH(_stat) (_stat.Bandwidth = 8 - _stat.Bandwidth)
+#define CORRECT_STAT_TRANSMISSON_MODE(_stat) \
+	if (_stat.TransmissionMode == 0) \
+		_stat.TransmissionMode = 2; \
+	else if (_stat.TransmissionMode == 1) \
+		_stat.TransmissionMode = 8; \
+		else \
+			_stat.TransmissionMode = 4;
+
+struct TRANSMISSION_STATISTICS_S {
+	u32 Frequency;		/* Frequency in Hz */
+	u32 Bandwidth;		/* Bandwidth in MHz */
+	u32 TransmissionMode;	/* FFT mode carriers in Kilos */
+	u32 GuardInterval;	/* Guard Interval from
+	SMSHOSTLIB_GUARD_INTERVALS_ET */
+	u32 CodeRate;		/* Code Rate from SMSHOSTLIB_CODE_RATE_ET */
+	u32 LPCodeRate;		/* Low Priority Code Rate from
+	SMSHOSTLIB_CODE_RATE_ET */
+	u32 Hierarchy;		/* Hierarchy from SMSHOSTLIB_HIERARCHY_ET */
+	u32 Constellation;	/* Constellation from
+	SMSHOSTLIB_CONSTELLATION_ET */
+
+	/* 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 */
+	u32 DvbhSrvIndHP;	/* DVB-H service indication info, bit 1 -
+	 Time Slicing indicator, bit 0 - MPE-FEC indicator */
+	u32 DvbhSrvIndLP;	/* DVB-H service indication info, bit 1 -
+	 Time Slicing indicator, bit 0 - MPE-FEC indicator */
+	u32 IsDemodLocked;	/* 0 - not locked, 1 - locked */
+};
+
+struct RECEPTION_STATISTICS_S {
+	u32 IsRfLocked;		/* 0 - not locked, 1 - locked */
+	u32 IsDemodLocked;	/* 0 - not locked, 1 - locked */
+	u32 IsExternalLNAOn;	/* 0 - external LNA off, 1 - external LNA on */
+
+	u32 ModemState;		/* from SMSHOSTLIB_DVB_MODEM_STATE_ET */
+	s32 SNR;		/* dB */
+	u32 BER;		/* Post Viterbi BER [1E-5] */
+	u32 BERErrorCount;	/* Number of erronous SYNC bits. */
+	u32 BERBitCount;	/* Total number of SYNC bits. */
+	u32 TS_PER;		/* Transport stream PER,
+	0xFFFFFFFF indicate N/A */
+	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 */
+	u32 ErrorTSPackets;	/* Number of erroneous
+	transport-stream packets */
+	u32 TotalTSPackets;	/* Total number of transport-stream packets */
+
+	s32 MRC_SNR;		/* dB */
+	s32 MRC_RSSI;		/* dBm */
+	s32 MRC_InBandPwr;	/* In band power in dBM */
+};
+
+
+/* Statistics information returned as response for
+ * SmsHostApiGetStatisticsEx_Req for DVB applications, SMS1100 and up */
+struct SMSHOSTLIB_STATISTICS_DVB_S {
+	/* Reception */
+	struct RECEPTION_STATISTICS_S ReceptionData;
+
+	/* Transmission parameters */
+	struct TRANSMISSION_STATISTICS_S TransmissionData;
+
+	/* Burst parameters, valid only for DVB-H */
+#define	SRVM_MAX_PID_FILTERS 8
+	struct PID_DATA_S PidData[SRVM_MAX_PID_FILTERS];
+};
+
+struct SRVM_SIGNAL_STATUS_S {
+	u32 result;
+	u32 snr;
+	u32 tsPackets;
+	u32 etsPackets;
+	u32 constellation;
+	u32 hpCode;
+	u32 tpsSrvIndLP;
+	u32 tpsSrvIndHP;
+	u32 cellId;
+	u32 reason;
+
+	s32 inBandPower;
+	u32 requestId;
+};
+
+struct SMSHOSTLIB_I2C_REQ_ST {
+	u32	DeviceAddress; /* I2c device address */
+	u32	WriteCount; /* number of bytes to write */
+	u32	ReadCount; /* number of bytes to read */
+	u8	Data[1];
+};
+
+struct SMSHOSTLIB_I2C_RES_ST {
+	u32	Status; /* non-zero value in case of failure */
+	u32	ReadCount; /* number of bytes read */
+	u8	Data[1];
+};
+
+
+struct smscore_config_gpio {
+#define SMS_GPIO_DIRECTION_INPUT  0
+#define SMS_GPIO_DIRECTION_OUTPUT 1
+	u8 direction;
+
+#define SMS_GPIO_PULLUPDOWN_NONE     0
+#define SMS_GPIO_PULLUPDOWN_PULLDOWN 1
+#define SMS_GPIO_PULLUPDOWN_PULLUP   2
+#define SMS_GPIO_PULLUPDOWN_KEEPER   3
+	u8 pullupdown;
+
+#define SMS_GPIO_INPUTCHARACTERISTICS_NORMAL  0
+#define SMS_GPIO_INPUTCHARACTERISTICS_SCHMITT 1
+	u8 inputcharacteristics;
+
+#define SMS_GPIO_OUTPUTSLEWRATE_FAST 0
+#define SMS_GPIO_OUTPUTSLEWRATE_SLOW 1
+	u8 outputslewrate;
+
+#define SMS_GPIO_OUTPUTDRIVING_4mA  0
+#define SMS_GPIO_OUTPUTDRIVING_8mA  1
+#define SMS_GPIO_OUTPUTDRIVING_12mA 2
+#define SMS_GPIO_OUTPUTDRIVING_16mA 3
+	u8 outputdriving;
+};
+
+struct smscore_gpio_config {
+#define SMS_GPIO_DIRECTION_INPUT  0
+#define SMS_GPIO_DIRECTION_OUTPUT 1
+	u8 Direction;
+
+#define SMS_GPIO_PULL_UP_DOWN_NONE     0
+#define SMS_GPIO_PULL_UP_DOWN_PULLDOWN 1
+#define SMS_GPIO_PULL_UP_DOWN_PULLUP   2
+#define SMS_GPIO_PULL_UP_DOWN_KEEPER   3
+	u8 PullUpDown;
+
+#define SMS_GPIO_INPUT_CHARACTERISTICS_NORMAL  0
+#define SMS_GPIO_INPUT_CHARACTERISTICS_SCHMITT 1
+	u8 InputCharacteristics;
+
+#define SMS_GPIO_OUTPUT_SLEW_RATE_SLOW		1 /* 10xx */
+#define SMS_GPIO_OUTPUT_SLEW_RATE_FAST		0 /* 10xx */
+
+
+#define SMS_GPIO_OUTPUT_SLEW_RATE_0_45_V_NS	0 /* 11xx */
+#define SMS_GPIO_OUTPUT_SLEW_RATE_0_9_V_NS	1 /* 11xx */
+#define SMS_GPIO_OUTPUT_SLEW_RATE_1_7_V_NS	2 /* 11xx */
+#define SMS_GPIO_OUTPUT_SLEW_RATE_3_3_V_NS	3 /* 11xx */
+	u8 OutputSlewRate;
+
+#define SMS_GPIO_OUTPUT_DRIVING_S_4mA		0 /* 10xx */
+#define SMS_GPIO_OUTPUT_DRIVING_S_8mA		1 /* 10xx */
+#define SMS_GPIO_OUTPUT_DRIVING_S_12mA		2 /* 10xx */
+#define SMS_GPIO_OUTPUT_DRIVING_S_16mA		3 /* 10xx */
+
+#define SMS_GPIO_OUTPUT_DRIVING_1_5mA		0 /* 11xx */
+#define SMS_GPIO_OUTPUT_DRIVING_2_8mA		1 /* 11xx */
+#define SMS_GPIO_OUTPUT_DRIVING_4mA		2 /* 11xx */
+#define SMS_GPIO_OUTPUT_DRIVING_7mA		3 /* 11xx */
+#define SMS_GPIO_OUTPUT_DRIVING_10mA		4 /* 11xx */
+#define SMS_GPIO_OUTPUT_DRIVING_11mA		5 /* 11xx */
+#define SMS_GPIO_OUTPUT_DRIVING_14mA		6 /* 11xx */
+#define SMS_GPIO_OUTPUT_DRIVING_16mA		7 /* 11xx */
+	u8 OutputDriving;
+};
+
+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 int smscore_get_common_buffer_size(struct smscore_device_t *coredev);
+extern int smscore_map_common_buffer(struct smscore_device_t *coredev,
+				      struct vm_area_struct *vma);
+extern int smscore_get_fw_filename(struct smscore_device_t *coredev,
+				   int mode, char *filename);
+extern int smscore_send_fw_file(struct smscore_device_t *coredev,
+				u8 *ufwbuf, int size);
+
+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);
+
+/* old GPIO management */
+int smscore_configure_gpio(struct smscore_device_t *coredev, u32 pin,
+			   struct smscore_config_gpio *pinconfig);
+int smscore_set_gpio(struct smscore_device_t *coredev, u32 pin, int level);
+
+/* new GPIO management */
+extern int smscore_gpio_configure(struct smscore_device_t *coredev, u8 PinNum,
+		struct smscore_gpio_config *pGpioConfig);
+extern int smscore_gpio_set_level(struct smscore_device_t *coredev, u8 PinNum,
+		u8 NewLevel);
+extern int smscore_gpio_get_level(struct smscore_device_t *coredev, u8 PinNum,
+		u8 *level);
+
+void smscore_set_board_id(struct smscore_device_t *core, int id);
+int smscore_get_board_id(struct smscore_device_t *core);
+
+int smscore_led_state(struct smscore_device_t *core, int led);
+
+
+/* ------------------------------------------------------------------------ */
+
+#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_dbg & 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 /* __SMS_CORE_API_H__ */
diff --git a/drivers/media/common/siano/smsdvb.c b/drivers/media/common/siano/smsdvb.c
new file mode 100644
index 000000000000..aa77e54a8fae
--- /dev/null
+++ b/drivers/media/common/siano/smsdvb.c
@@ -0,0 +1,1078 @@
+/****************************************************************
+
+Siano Mobile Silicon, Inc.
+MDTV receiver kernel modules.
+Copyright (C) 2006-2008, Uri Shkolnik
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+****************************************************************/
+
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+
+#include "dmxdev.h"
+#include "dvbdev.h"
+#include "dvb_demux.h"
+#include "dvb_frontend.h"
+
+#include "smscoreapi.h"
+#include "smsendian.h"
+#include "sms-cards.h"
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+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;
+
+	struct completion       tune_done;
+
+	struct SMSHOSTLIB_STATISTICS_DVB_S sms_stat_dvb;
+	int event_fe_state;
+	int event_unc_state;
+};
+
+static struct list_head g_smsdvb_clients;
+static struct mutex g_smsdvb_clientslock;
+
+static int sms_dbg;
+module_param_named(debug, sms_dbg, int, 0644);
+MODULE_PARM_DESC(debug, "set debug level (info=1, adv=2 (or-able))");
+
+/* Events that may come from DVB v3 adapter */
+static void sms_board_dvb3_event(struct smsdvb_client_t *client,
+		enum SMS_DVB3_EVENTS event) {
+
+	struct smscore_device_t *coredev = client->coredev;
+	switch (event) {
+	case DVB3_EVENT_INIT:
+		sms_debug("DVB3_EVENT_INIT");
+		sms_board_event(coredev, BOARD_EVENT_BIND);
+		break;
+	case DVB3_EVENT_SLEEP:
+		sms_debug("DVB3_EVENT_SLEEP");
+		sms_board_event(coredev, BOARD_EVENT_POWER_SUSPEND);
+		break;
+	case DVB3_EVENT_HOTPLUG:
+		sms_debug("DVB3_EVENT_HOTPLUG");
+		sms_board_event(coredev, BOARD_EVENT_POWER_INIT);
+		break;
+	case DVB3_EVENT_FE_LOCK:
+		if (client->event_fe_state != DVB3_EVENT_FE_LOCK) {
+			client->event_fe_state = DVB3_EVENT_FE_LOCK;
+			sms_debug("DVB3_EVENT_FE_LOCK");
+			sms_board_event(coredev, BOARD_EVENT_FE_LOCK);
+		}
+		break;
+	case DVB3_EVENT_FE_UNLOCK:
+		if (client->event_fe_state != DVB3_EVENT_FE_UNLOCK) {
+			client->event_fe_state = DVB3_EVENT_FE_UNLOCK;
+			sms_debug("DVB3_EVENT_FE_UNLOCK");
+			sms_board_event(coredev, BOARD_EVENT_FE_UNLOCK);
+		}
+		break;
+	case DVB3_EVENT_UNC_OK:
+		if (client->event_unc_state != DVB3_EVENT_UNC_OK) {
+			client->event_unc_state = DVB3_EVENT_UNC_OK;
+			sms_debug("DVB3_EVENT_UNC_OK");
+			sms_board_event(coredev, BOARD_EVENT_MULTIPLEX_OK);
+		}
+		break;
+	case DVB3_EVENT_UNC_ERR:
+		if (client->event_unc_state != DVB3_EVENT_UNC_ERR) {
+			client->event_unc_state = DVB3_EVENT_UNC_ERR;
+			sms_debug("DVB3_EVENT_UNC_ERR");
+			sms_board_event(coredev, BOARD_EVENT_MULTIPLEX_ERRORS);
+		}
+		break;
+
+	default:
+		sms_err("Unknown dvb3 api event");
+		break;
+	}
+}
+
+
+static void smsdvb_update_dvb_stats(struct RECEPTION_STATISTICS_S *pReceptionData,
+				   struct SMSHOSTLIB_STATISTICS_ST *p)
+{
+	if (sms_dbg & 2) {
+		printk(KERN_DEBUG "Reserved = %d", p->Reserved);
+		printk(KERN_DEBUG "IsRfLocked = %d", p->IsRfLocked);
+		printk(KERN_DEBUG "IsDemodLocked = %d", p->IsDemodLocked);
+		printk(KERN_DEBUG "IsExternalLNAOn = %d", p->IsExternalLNAOn);
+		printk(KERN_DEBUG "SNR = %d", p->SNR);
+		printk(KERN_DEBUG "BER = %d", p->BER);
+		printk(KERN_DEBUG "FIB_CRC = %d", p->FIB_CRC);
+		printk(KERN_DEBUG "TS_PER = %d", p->TS_PER);
+		printk(KERN_DEBUG "MFER = %d", p->MFER);
+		printk(KERN_DEBUG "RSSI = %d", p->RSSI);
+		printk(KERN_DEBUG "InBandPwr = %d", p->InBandPwr);
+		printk(KERN_DEBUG "CarrierOffset = %d", p->CarrierOffset);
+		printk(KERN_DEBUG "Frequency = %d", p->Frequency);
+		printk(KERN_DEBUG "Bandwidth = %d", p->Bandwidth);
+		printk(KERN_DEBUG "TransmissionMode = %d", p->TransmissionMode);
+		printk(KERN_DEBUG "ModemState = %d", p->ModemState);
+		printk(KERN_DEBUG "GuardInterval = %d", p->GuardInterval);
+		printk(KERN_DEBUG "CodeRate = %d", p->CodeRate);
+		printk(KERN_DEBUG "LPCodeRate = %d", p->LPCodeRate);
+		printk(KERN_DEBUG "Hierarchy = %d", p->Hierarchy);
+		printk(KERN_DEBUG "Constellation = %d", p->Constellation);
+		printk(KERN_DEBUG "BurstSize = %d", p->BurstSize);
+		printk(KERN_DEBUG "BurstDuration = %d", p->BurstDuration);
+		printk(KERN_DEBUG "BurstCycleTime = %d", p->BurstCycleTime);
+		printk(KERN_DEBUG "CalculatedBurstCycleTime = %d", p->CalculatedBurstCycleTime);
+		printk(KERN_DEBUG "NumOfRows = %d", p->NumOfRows);
+		printk(KERN_DEBUG "NumOfPaddCols = %d", p->NumOfPaddCols);
+		printk(KERN_DEBUG "NumOfPunctCols = %d", p->NumOfPunctCols);
+		printk(KERN_DEBUG "ErrorTSPackets = %d", p->ErrorTSPackets);
+		printk(KERN_DEBUG "TotalTSPackets = %d", p->TotalTSPackets);
+		printk(KERN_DEBUG "NumOfValidMpeTlbs = %d", p->NumOfValidMpeTlbs);
+		printk(KERN_DEBUG "NumOfInvalidMpeTlbs = %d", p->NumOfInvalidMpeTlbs);
+		printk(KERN_DEBUG "NumOfCorrectedMpeTlbs = %d", p->NumOfCorrectedMpeTlbs);
+		printk(KERN_DEBUG "BERErrorCount = %d", p->BERErrorCount);
+		printk(KERN_DEBUG "BERBitCount = %d", p->BERBitCount);
+		printk(KERN_DEBUG "SmsToHostTxErrors = %d", p->SmsToHostTxErrors);
+		printk(KERN_DEBUG "PreBER = %d", p->PreBER);
+		printk(KERN_DEBUG "CellId = %d", p->CellId);
+		printk(KERN_DEBUG "DvbhSrvIndHP = %d", p->DvbhSrvIndHP);
+		printk(KERN_DEBUG "DvbhSrvIndLP = %d", p->DvbhSrvIndLP);
+		printk(KERN_DEBUG "NumMPEReceived = %d", p->NumMPEReceived);
+	}
+
+	pReceptionData->IsDemodLocked = p->IsDemodLocked;
+
+	pReceptionData->SNR = p->SNR;
+	pReceptionData->BER = p->BER;
+	pReceptionData->BERErrorCount = p->BERErrorCount;
+	pReceptionData->InBandPwr = p->InBandPwr;
+	pReceptionData->ErrorTSPackets = p->ErrorTSPackets;
+};
+
+
+static void smsdvb_update_isdbt_stats(struct RECEPTION_STATISTICS_S *pReceptionData,
+				    struct SMSHOSTLIB_STATISTICS_ISDBT_ST *p)
+{
+	int i;
+
+	if (sms_dbg & 2) {
+		printk(KERN_DEBUG "IsRfLocked = %d", p->IsRfLocked);
+		printk(KERN_DEBUG "IsDemodLocked = %d", p->IsDemodLocked);
+		printk(KERN_DEBUG "IsExternalLNAOn = %d", p->IsExternalLNAOn);
+		printk(KERN_DEBUG "SNR = %d", p->SNR);
+		printk(KERN_DEBUG "RSSI = %d", p->RSSI);
+		printk(KERN_DEBUG "InBandPwr = %d", p->InBandPwr);
+		printk(KERN_DEBUG "CarrierOffset = %d", p->CarrierOffset);
+		printk(KERN_DEBUG "Frequency = %d", p->Frequency);
+		printk(KERN_DEBUG "Bandwidth = %d", p->Bandwidth);
+		printk(KERN_DEBUG "TransmissionMode = %d", p->TransmissionMode);
+		printk(KERN_DEBUG "ModemState = %d", p->ModemState);
+		printk(KERN_DEBUG "GuardInterval = %d", p->GuardInterval);
+		printk(KERN_DEBUG "SystemType = %d", p->SystemType);
+		printk(KERN_DEBUG "PartialReception = %d", p->PartialReception);
+		printk(KERN_DEBUG "NumOfLayers = %d", p->NumOfLayers);
+		printk(KERN_DEBUG "SmsToHostTxErrors = %d", p->SmsToHostTxErrors);
+
+		for (i = 0; i < 3; i++) {
+			printk(KERN_DEBUG "%d: CodeRate = %d", i, p->LayerInfo[i].CodeRate);
+			printk(KERN_DEBUG "%d: Constellation = %d", i, p->LayerInfo[i].Constellation);
+			printk(KERN_DEBUG "%d: BER = %d", i, p->LayerInfo[i].BER);
+			printk(KERN_DEBUG "%d: BERErrorCount = %d", i, p->LayerInfo[i].BERErrorCount);
+			printk(KERN_DEBUG "%d: BERBitCount = %d", i, p->LayerInfo[i].BERBitCount);
+			printk(KERN_DEBUG "%d: PreBER = %d", i, p->LayerInfo[i].PreBER);
+			printk(KERN_DEBUG "%d: TS_PER = %d", i, p->LayerInfo[i].TS_PER);
+			printk(KERN_DEBUG "%d: ErrorTSPackets = %d", i, p->LayerInfo[i].ErrorTSPackets);
+			printk(KERN_DEBUG "%d: TotalTSPackets = %d", i, p->LayerInfo[i].TotalTSPackets);
+			printk(KERN_DEBUG "%d: TILdepthI = %d", i, p->LayerInfo[i].TILdepthI);
+			printk(KERN_DEBUG "%d: NumberOfSegments = %d", i, p->LayerInfo[i].NumberOfSegments);
+			printk(KERN_DEBUG "%d: TMCCErrors = %d", i, p->LayerInfo[i].TMCCErrors);
+		}
+	}
+
+	pReceptionData->IsDemodLocked = p->IsDemodLocked;
+
+	pReceptionData->SNR = p->SNR;
+	pReceptionData->InBandPwr = p->InBandPwr;
+
+	pReceptionData->ErrorTSPackets = 0;
+	pReceptionData->BER = 0;
+	pReceptionData->BERErrorCount = 0;
+	for (i = 0; i < 3; i++) {
+		pReceptionData->BER += p->LayerInfo[i].BER;
+		pReceptionData->BERErrorCount += p->LayerInfo[i].BERErrorCount;
+		pReceptionData->ErrorTSPackets += p->LayerInfo[i].ErrorTSPackets;
+	}
+}
+
+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);
+	u32 *pMsgData = (u32 *) phdr + 1;
+	/*u32 MsgDataLen = phdr->msgLength - sizeof(struct SmsMsgHdr_ST);*/
+	bool is_status_update = false;
+
+	smsendian_handle_rx_message((struct SmsMsgData_ST *) phdr);
+
+	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:
+	case MSG_SMS_ISDBT_TUNE_RES:
+		complete(&client->tune_done);
+		break;
+
+	case MSG_SMS_SIGNAL_DETECTED_IND:
+		sms_info("MSG_SMS_SIGNAL_DETECTED_IND");
+		client->sms_stat_dvb.TransmissionData.IsDemodLocked = true;
+		is_status_update = true;
+		break;
+
+	case MSG_SMS_NO_SIGNAL_IND:
+		sms_info("MSG_SMS_NO_SIGNAL_IND");
+		client->sms_stat_dvb.TransmissionData.IsDemodLocked = false;
+		is_status_update = true;
+		break;
+
+	case MSG_SMS_TRANSMISSION_IND: {
+		sms_info("MSG_SMS_TRANSMISSION_IND");
+
+		pMsgData++;
+		memcpy(&client->sms_stat_dvb.TransmissionData, pMsgData,
+				sizeof(struct TRANSMISSION_STATISTICS_S));
+
+		/* Mo need to correct guard interval
+		 * (as opposed to old statistics message).
+		 */
+		CORRECT_STAT_BANDWIDTH(client->sms_stat_dvb.TransmissionData);
+		CORRECT_STAT_TRANSMISSON_MODE(
+				client->sms_stat_dvb.TransmissionData);
+		is_status_update = true;
+		break;
+	}
+	case MSG_SMS_HO_PER_SLICES_IND: {
+		struct RECEPTION_STATISTICS_S *pReceptionData =
+				&client->sms_stat_dvb.ReceptionData;
+		struct SRVM_SIGNAL_STATUS_S SignalStatusData;
+
+		/*sms_info("MSG_SMS_HO_PER_SLICES_IND");*/
+		pMsgData++;
+		SignalStatusData.result = pMsgData[0];
+		SignalStatusData.snr = pMsgData[1];
+		SignalStatusData.inBandPower = (s32) pMsgData[2];
+		SignalStatusData.tsPackets = pMsgData[3];
+		SignalStatusData.etsPackets = pMsgData[4];
+		SignalStatusData.constellation = pMsgData[5];
+		SignalStatusData.hpCode = pMsgData[6];
+		SignalStatusData.tpsSrvIndLP = pMsgData[7] & 0x03;
+		SignalStatusData.tpsSrvIndHP = pMsgData[8] & 0x03;
+		SignalStatusData.cellId = pMsgData[9] & 0xFFFF;
+		SignalStatusData.reason = pMsgData[10];
+		SignalStatusData.requestId = pMsgData[11];
+		pReceptionData->IsRfLocked = pMsgData[16];
+		pReceptionData->IsDemodLocked = pMsgData[17];
+		pReceptionData->ModemState = pMsgData[12];
+		pReceptionData->SNR = pMsgData[1];
+		pReceptionData->BER = pMsgData[13];
+		pReceptionData->RSSI = pMsgData[14];
+		CORRECT_STAT_RSSI(client->sms_stat_dvb.ReceptionData);
+
+		pReceptionData->InBandPwr = (s32) pMsgData[2];
+		pReceptionData->CarrierOffset = (s32) pMsgData[15];
+		pReceptionData->TotalTSPackets = pMsgData[3];
+		pReceptionData->ErrorTSPackets = pMsgData[4];
+
+		/* TS PER */
+		if ((SignalStatusData.tsPackets + SignalStatusData.etsPackets)
+				> 0) {
+			pReceptionData->TS_PER = (SignalStatusData.etsPackets
+					* 100) / (SignalStatusData.tsPackets
+					+ SignalStatusData.etsPackets);
+		} else {
+			pReceptionData->TS_PER = 0;
+		}
+
+		pReceptionData->BERBitCount = pMsgData[18];
+		pReceptionData->BERErrorCount = pMsgData[19];
+
+		pReceptionData->MRC_SNR = pMsgData[20];
+		pReceptionData->MRC_InBandPwr = pMsgData[21];
+		pReceptionData->MRC_RSSI = pMsgData[22];
+
+		is_status_update = true;
+		break;
+	}
+	case MSG_SMS_GET_STATISTICS_RES: {
+		union {
+			struct SMSHOSTLIB_STATISTICS_ISDBT_ST  isdbt;
+			struct SmsMsgStatisticsInfo_ST         dvb;
+		} *p = (void *) (phdr + 1);
+		struct RECEPTION_STATISTICS_S *pReceptionData =
+				&client->sms_stat_dvb.ReceptionData;
+
+		sms_info("MSG_SMS_GET_STATISTICS_RES");
+
+		is_status_update = true;
+
+		switch (smscore_get_device_mode(client->coredev)) {
+		case DEVICE_MODE_ISDBT:
+		case DEVICE_MODE_ISDBT_BDA:
+			smsdvb_update_isdbt_stats(pReceptionData, &p->isdbt);
+			break;
+		default:
+			smsdvb_update_dvb_stats(pReceptionData, &p->dvb.Stat);
+		}
+		if (!pReceptionData->IsDemodLocked) {
+			pReceptionData->SNR = 0;
+			pReceptionData->BER = 0;
+			pReceptionData->BERErrorCount = 0;
+			pReceptionData->InBandPwr = 0;
+			pReceptionData->ErrorTSPackets = 0;
+		}
+
+		complete(&client->tune_done);
+		break;
+	}
+	default:
+		sms_info("Unhandled message %d", phdr->msgType);
+
+	}
+	smscore_putbuffer(client->coredev, cb);
+
+	if (is_status_update) {
+		if (client->sms_stat_dvb.ReceptionData.IsDemodLocked) {
+			client->fe_status = FE_HAS_SIGNAL | FE_HAS_CARRIER
+				| FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
+			sms_board_dvb3_event(client, DVB3_EVENT_FE_LOCK);
+			if (client->sms_stat_dvb.ReceptionData.ErrorTSPackets
+					== 0)
+				sms_board_dvb3_event(client, DVB3_EVENT_UNC_OK);
+			else
+				sms_board_dvb3_event(client,
+						DVB3_EVENT_UNC_ERR);
+
+		} else {
+			if (client->sms_stat_dvb.ReceptionData.IsRfLocked)
+				client->fe_status = FE_HAS_SIGNAL | FE_HAS_CARRIER;
+			else
+				client->fe_status = 0;
+			sms_board_dvb3_event(client, DVB3_EVENT_FE_UNLOCK);
+		}
+	}
+
+	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;
+
+	smsendian_handle_tx_message((struct SmsMsgHdr_ST *)&PidMsg);
+	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;
+
+	smsendian_handle_tx_message((struct SmsMsgHdr_ST *)&PidMsg);
+	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;
+
+	smsendian_handle_tx_message((struct SmsMsgHdr_ST *)buffer);
+	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)
+{
+	int rc;
+	struct SmsMsgHdr_ST Msg = { MSG_SMS_GET_STATISTICS_REQ,
+				    DVBT_BDA_CONTROL_MSG_ID,
+				    HIF_TASK,
+				    sizeof(struct SmsMsgHdr_ST), 0 };
+
+	rc = smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
+					  &client->tune_done);
+
+	return rc;
+}
+
+static inline int led_feedback(struct smsdvb_client_t *client)
+{
+	if (client->fe_status & FE_HAS_LOCK)
+		return sms_board_led_feedback(client->coredev,
+			(client->sms_stat_dvb.ReceptionData.BER
+			== 0) ? SMS_LED_HI : SMS_LED_LO);
+	else
+		return sms_board_led_feedback(client->coredev, SMS_LED_OFF);
+}
+
+static int smsdvb_read_status(struct dvb_frontend *fe, fe_status_t *stat)
+{
+	int rc;
+	struct smsdvb_client_t *client;
+	client = container_of(fe, struct smsdvb_client_t, frontend);
+
+	rc = smsdvb_send_statistics_request(client);
+
+	*stat = client->fe_status;
+
+	led_feedback(client);
+
+	return rc;
+}
+
+static int smsdvb_read_ber(struct dvb_frontend *fe, u32 *ber)
+{
+	int rc;
+	struct smsdvb_client_t *client;
+	client = container_of(fe, struct smsdvb_client_t, frontend);
+
+	rc = smsdvb_send_statistics_request(client);
+
+	*ber = client->sms_stat_dvb.ReceptionData.BER;
+
+	led_feedback(client);
+
+	return rc;
+}
+
+static int smsdvb_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
+{
+	int rc;
+
+	struct smsdvb_client_t *client;
+	client = container_of(fe, struct smsdvb_client_t, frontend);
+
+	rc = smsdvb_send_statistics_request(client);
+
+	if (client->sms_stat_dvb.ReceptionData.InBandPwr < -95)
+		*strength = 0;
+		else if (client->sms_stat_dvb.ReceptionData.InBandPwr > -29)
+			*strength = 100;
+		else
+			*strength =
+				(client->sms_stat_dvb.ReceptionData.InBandPwr
+				+ 95) * 3 / 2;
+
+	led_feedback(client);
+
+	return rc;
+}
+
+static int smsdvb_read_snr(struct dvb_frontend *fe, u16 *snr)
+{
+	int rc;
+	struct smsdvb_client_t *client;
+	client = container_of(fe, struct smsdvb_client_t, frontend);
+
+	rc = smsdvb_send_statistics_request(client);
+
+	*snr = client->sms_stat_dvb.ReceptionData.SNR;
+
+	led_feedback(client);
+
+	return rc;
+}
+
+static int smsdvb_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
+{
+	int rc;
+	struct smsdvb_client_t *client;
+	client = container_of(fe, struct smsdvb_client_t, frontend);
+
+	rc = smsdvb_send_statistics_request(client);
+
+	*ucblocks = client->sms_stat_dvb.ReceptionData.ErrorTSPackets;
+
+	led_feedback(client);
+
+	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_dvbt_set_frontend(struct dvb_frontend *fe)
+{
+	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+	struct smsdvb_client_t *client =
+		container_of(fe, struct smsdvb_client_t, frontend);
+
+	struct {
+		struct SmsMsgHdr_ST	Msg;
+		u32		Data[3];
+	} Msg;
+
+	int ret;
+
+	client->fe_status = FE_HAS_SIGNAL;
+	client->event_fe_state = -1;
+	client->event_unc_state = -1;
+	fe->dtv_property_cache.delivery_system = SYS_DVBT;
+
+	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] = c->frequency;
+	Msg.Data[2] = 12000000;
+
+	sms_info("%s: freq %d band %d", __func__, c->frequency,
+		 c->bandwidth_hz);
+
+	switch (c->bandwidth_hz / 1000000) {
+	case 8:
+		Msg.Data[1] = BW_8_MHZ;
+		break;
+	case 7:
+		Msg.Data[1] = BW_7_MHZ;
+		break;
+	case 6:
+		Msg.Data[1] = BW_6_MHZ;
+		break;
+	case 0:
+		return -EOPNOTSUPP;
+	default:
+		return -EINVAL;
+	}
+	/* Disable LNA, if any. An error is returned if no LNA is present */
+	ret = sms_board_lna_control(client->coredev, 0);
+	if (ret == 0) {
+		fe_status_t status;
+
+		/* tune with LNA off at first */
+		ret = smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
+						  &client->tune_done);
+
+		smsdvb_read_status(fe, &status);
+
+		if (status & FE_HAS_LOCK)
+			return ret;
+
+		/* previous tune didn't lock - enable LNA and tune again */
+		sms_board_lna_control(client->coredev, 1);
+	}
+
+	return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
+					   &client->tune_done);
+}
+
+static int smsdvb_isdbt_set_frontend(struct dvb_frontend *fe)
+{
+	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+	struct smsdvb_client_t *client =
+		container_of(fe, struct smsdvb_client_t, frontend);
+
+	struct {
+		struct SmsMsgHdr_ST	Msg;
+		u32		Data[4];
+	} Msg;
+
+	fe->dtv_property_cache.delivery_system = SYS_ISDBT;
+
+	Msg.Msg.msgSrcId  = DVBT_BDA_CONTROL_MSG_ID;
+	Msg.Msg.msgDstId  = HIF_TASK;
+	Msg.Msg.msgFlags  = 0;
+	Msg.Msg.msgType   = MSG_SMS_ISDBT_TUNE_REQ;
+	Msg.Msg.msgLength = sizeof(Msg);
+
+	if (c->isdbt_sb_segment_idx == -1)
+		c->isdbt_sb_segment_idx = 0;
+
+	switch (c->isdbt_sb_segment_count) {
+	case 3:
+		Msg.Data[1] = BW_ISDBT_3SEG;
+		break;
+	case 1:
+		Msg.Data[1] = BW_ISDBT_1SEG;
+		break;
+	case 0:	/* AUTO */
+		switch (c->bandwidth_hz / 1000000) {
+		case 8:
+		case 7:
+			c->isdbt_sb_segment_count = 3;
+			Msg.Data[1] = BW_ISDBT_3SEG;
+			break;
+		case 6:
+			c->isdbt_sb_segment_count = 1;
+			Msg.Data[1] = BW_ISDBT_1SEG;
+			break;
+		default: /* Assumes 6 MHZ bw */
+			c->isdbt_sb_segment_count = 1;
+			c->bandwidth_hz = 6000;
+			Msg.Data[1] = BW_ISDBT_1SEG;
+			break;
+		}
+		break;
+	default:
+		sms_info("Segment count %d not supported", c->isdbt_sb_segment_count);
+		return -EINVAL;
+	}
+
+	Msg.Data[0] = c->frequency;
+	Msg.Data[2] = 12000000;
+	Msg.Data[3] = c->isdbt_sb_segment_idx;
+
+	sms_info("%s: freq %d segwidth %d segindex %d\n", __func__,
+		 c->frequency, c->isdbt_sb_segment_count,
+		 c->isdbt_sb_segment_idx);
+
+	return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
+					   &client->tune_done);
+}
+
+static int smsdvb_set_frontend(struct dvb_frontend *fe)
+{
+	struct smsdvb_client_t *client =
+		container_of(fe, struct smsdvb_client_t, frontend);
+	struct smscore_device_t *coredev = client->coredev;
+
+	switch (smscore_get_device_mode(coredev)) {
+	case DEVICE_MODE_DVBT:
+	case DEVICE_MODE_DVBT_BDA:
+		return smsdvb_dvbt_set_frontend(fe);
+	case DEVICE_MODE_ISDBT:
+	case DEVICE_MODE_ISDBT_BDA:
+		return smsdvb_isdbt_set_frontend(fe);
+	default:
+		return -EINVAL;
+	}
+}
+
+static int smsdvb_get_frontend(struct dvb_frontend *fe)
+{
+	struct dtv_frontend_properties *fep = &fe->dtv_property_cache;
+	struct smsdvb_client_t *client =
+		container_of(fe, struct smsdvb_client_t, frontend);
+	struct smscore_device_t *coredev = client->coredev;
+	struct TRANSMISSION_STATISTICS_S *td =
+		&client->sms_stat_dvb.TransmissionData;
+
+	switch (smscore_get_device_mode(coredev)) {
+	case DEVICE_MODE_DVBT:
+	case DEVICE_MODE_DVBT_BDA:
+		fep->frequency = td->Frequency;
+
+		switch (td->Bandwidth) {
+		case 6:
+			fep->bandwidth_hz = 6000000;
+			break;
+		case 7:
+			fep->bandwidth_hz = 7000000;
+			break;
+		case 8:
+			fep->bandwidth_hz = 8000000;
+			break;
+		}
+
+		switch (td->TransmissionMode) {
+		case 2:
+			fep->transmission_mode = TRANSMISSION_MODE_2K;
+			break;
+		case 8:
+			fep->transmission_mode = TRANSMISSION_MODE_8K;
+		}
+
+		switch (td->GuardInterval) {
+		case 0:
+			fep->guard_interval = GUARD_INTERVAL_1_32;
+			break;
+		case 1:
+			fep->guard_interval = GUARD_INTERVAL_1_16;
+			break;
+		case 2:
+			fep->guard_interval = GUARD_INTERVAL_1_8;
+			break;
+		case 3:
+			fep->guard_interval = GUARD_INTERVAL_1_4;
+			break;
+		}
+
+		switch (td->CodeRate) {
+		case 0:
+			fep->code_rate_HP = FEC_1_2;
+			break;
+		case 1:
+			fep->code_rate_HP = FEC_2_3;
+			break;
+		case 2:
+			fep->code_rate_HP = FEC_3_4;
+			break;
+		case 3:
+			fep->code_rate_HP = FEC_5_6;
+			break;
+		case 4:
+			fep->code_rate_HP = FEC_7_8;
+			break;
+		}
+
+		switch (td->LPCodeRate) {
+		case 0:
+			fep->code_rate_LP = FEC_1_2;
+			break;
+		case 1:
+			fep->code_rate_LP = FEC_2_3;
+			break;
+		case 2:
+			fep->code_rate_LP = FEC_3_4;
+			break;
+		case 3:
+			fep->code_rate_LP = FEC_5_6;
+			break;
+		case 4:
+			fep->code_rate_LP = FEC_7_8;
+			break;
+		}
+
+		switch (td->Constellation) {
+		case 0:
+			fep->modulation = QPSK;
+			break;
+		case 1:
+			fep->modulation = QAM_16;
+			break;
+		case 2:
+			fep->modulation = QAM_64;
+			break;
+		}
+
+		switch (td->Hierarchy) {
+		case 0:
+			fep->hierarchy = HIERARCHY_NONE;
+			break;
+		case 1:
+			fep->hierarchy = HIERARCHY_1;
+			break;
+		case 2:
+			fep->hierarchy = HIERARCHY_2;
+			break;
+		case 3:
+			fep->hierarchy = HIERARCHY_4;
+			break;
+		}
+
+		fep->inversion = INVERSION_AUTO;
+		break;
+	case DEVICE_MODE_ISDBT:
+	case DEVICE_MODE_ISDBT_BDA:
+		fep->frequency = td->Frequency;
+		fep->bandwidth_hz = 6000000;
+		/* todo: retrive the other parameters */
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int smsdvb_init(struct dvb_frontend *fe)
+{
+	struct smsdvb_client_t *client =
+		container_of(fe, struct smsdvb_client_t, frontend);
+
+	sms_board_power(client->coredev, 1);
+
+	sms_board_dvb3_event(client, DVB3_EVENT_INIT);
+	return 0;
+}
+
+static int smsdvb_sleep(struct dvb_frontend *fe)
+{
+	struct smsdvb_client_t *client =
+		container_of(fe, struct smsdvb_client_t, frontend);
+
+	sms_board_led_feedback(client->coredev, SMS_LED_OFF);
+	sms_board_power(client->coredev, 0);
+
+	sms_board_dvb3_event(client, DVB3_EVENT_SLEEP);
+
+	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 MDTV Receiver",
+		.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,
+	.read_ucblocks = smsdvb_read_ucblocks,
+
+	.init = smsdvb_init,
+	.sleep = smsdvb_sleep,
+};
+
+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;
+	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));
+
+	switch (smscore_get_device_mode(coredev)) {
+	case DEVICE_MODE_DVBT:
+	case DEVICE_MODE_DVBT_BDA:
+		client->frontend.ops.delsys[0] = SYS_DVBT;
+		break;
+	case DEVICE_MODE_ISDBT:
+	case DEVICE_MODE_ISDBT_BDA:
+		client->frontend.ops.delsys[0] = SYS_ISDBT;
+		break;
+	}
+
+	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);
+
+	kmutex_lock(&g_smsdvb_clientslock);
+
+	list_add(&client->entry, &g_smsdvb_clients);
+
+	kmutex_unlock(&g_smsdvb_clientslock);
+
+	client->event_fe_state = -1;
+	client->event_unc_state = -1;
+	sms_board_dvb3_event(client, DVB3_EVENT_HOTPLUG);
+
+	sms_info("success");
+	sms_board_setup(coredev);
+
+	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;
+}
+
+static int __init smsdvb_module_init(void)
+{
+	int rc;
+
+	INIT_LIST_HEAD(&g_smsdvb_clients);
+	kmutex_init(&g_smsdvb_clientslock);
+
+	rc = smscore_register_hotplug(smsdvb_hotplug);
+
+	sms_debug("");
+
+	return rc;
+}
+
+static void __exit smsdvb_module_exit(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);
+}
+
+module_init(smsdvb_module_init);
+module_exit(smsdvb_module_exit);
+
+MODULE_DESCRIPTION("SMS DVB subsystem adaptation module");
+MODULE_AUTHOR("Siano Mobile Silicon, Inc. (uris@siano-ms.com)");
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/common/siano/smsendian.c b/drivers/media/common/siano/smsendian.c
new file mode 100644
index 000000000000..e2657c2f0109
--- /dev/null
+++ b/drivers/media/common/siano/smsendian.c
@@ -0,0 +1,103 @@
+/****************************************************************
+
+ Siano Mobile Silicon, Inc.
+ MDTV receiver kernel modules.
+ Copyright (C) 2006-2009, Uri Shkolnik
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+ ****************************************************************/
+
+#include <linux/export.h>
+#include <asm/byteorder.h>
+
+#include "smsendian.h"
+#include "smscoreapi.h"
+
+void smsendian_handle_tx_message(void *buffer)
+{
+#ifdef __BIG_ENDIAN
+	struct SmsMsgData_ST *msg = (struct SmsMsgData_ST *)buffer;
+	int i;
+	int msgWords;
+
+	switch (msg->xMsgHeader.msgType) {
+	case MSG_SMS_DATA_DOWNLOAD_REQ:
+	{
+		msg->msgData[0] = le32_to_cpu(msg->msgData[0]);
+		break;
+	}
+
+	default:
+		msgWords = (msg->xMsgHeader.msgLength -
+				sizeof(struct SmsMsgHdr_ST))/4;
+
+		for (i = 0; i < msgWords; i++)
+			msg->msgData[i] = le32_to_cpu(msg->msgData[i]);
+
+		break;
+	}
+#endif /* __BIG_ENDIAN */
+}
+EXPORT_SYMBOL_GPL(smsendian_handle_tx_message);
+
+void smsendian_handle_rx_message(void *buffer)
+{
+#ifdef __BIG_ENDIAN
+	struct SmsMsgData_ST *msg = (struct SmsMsgData_ST *)buffer;
+	int i;
+	int msgWords;
+
+	switch (msg->xMsgHeader.msgType) {
+	case MSG_SMS_GET_VERSION_EX_RES:
+	{
+		struct SmsVersionRes_ST *ver =
+			(struct SmsVersionRes_ST *) msg;
+		ver->ChipModel = le16_to_cpu(ver->ChipModel);
+		break;
+	}
+
+	case MSG_SMS_DVBT_BDA_DATA:
+	case MSG_SMS_DAB_CHANNEL:
+	case MSG_SMS_DATA_MSG:
+	{
+		break;
+	}
+
+	default:
+	{
+		msgWords = (msg->xMsgHeader.msgLength -
+				sizeof(struct SmsMsgHdr_ST))/4;
+
+		for (i = 0; i < msgWords; i++)
+			msg->msgData[i] = le32_to_cpu(msg->msgData[i]);
+
+		break;
+	}
+	}
+#endif /* __BIG_ENDIAN */
+}
+EXPORT_SYMBOL_GPL(smsendian_handle_rx_message);
+
+void smsendian_handle_message_header(void *msg)
+{
+#ifdef __BIG_ENDIAN
+	struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *)msg;
+
+	phdr->msgType = le16_to_cpu(phdr->msgType);
+	phdr->msgLength = le16_to_cpu(phdr->msgLength);
+	phdr->msgFlags = le16_to_cpu(phdr->msgFlags);
+#endif /* __BIG_ENDIAN */
+}
+EXPORT_SYMBOL_GPL(smsendian_handle_message_header);
diff --git a/drivers/media/common/siano/smsendian.h b/drivers/media/common/siano/smsendian.h
new file mode 100644
index 000000000000..1624d6fd367b
--- /dev/null
+++ b/drivers/media/common/siano/smsendian.h
@@ -0,0 +1,32 @@
+/****************************************************************
+
+Siano Mobile Silicon, Inc.
+MDTV receiver kernel modules.
+Copyright (C) 2006-2009, Uri Shkolnik
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+****************************************************************/
+
+#ifndef __SMS_ENDIAN_H__
+#define __SMS_ENDIAN_H__
+
+#include <asm/byteorder.h>
+
+extern void smsendian_handle_tx_message(void *buffer);
+extern void smsendian_handle_rx_message(void *buffer);
+extern void smsendian_handle_message_header(void *msg);
+
+#endif /* __SMS_ENDIAN_H__ */
+
diff --git a/drivers/media/common/siano/smsir.c b/drivers/media/common/siano/smsir.c
new file mode 100644
index 000000000000..37bc5c4b8ad8
--- /dev/null
+++ b/drivers/media/common/siano/smsir.c
@@ -0,0 +1,114 @@
+/****************************************************************
+
+ Siano Mobile Silicon, Inc.
+ MDTV receiver kernel modules.
+ Copyright (C) 2006-2009, Uri Shkolnik
+
+ Copyright (c) 2010 - Mauro Carvalho Chehab
+	- Ported the driver to use rc-core
+	- IR raw event decoding is now done at rc-core
+	- Code almost re-written
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+ ****************************************************************/
+
+
+#include <linux/types.h>
+#include <linux/input.h>
+
+#include "smscoreapi.h"
+#include "smsir.h"
+#include "sms-cards.h"
+
+#define MODULE_NAME "smsmdtv"
+
+void sms_ir_event(struct smscore_device_t *coredev, const char *buf, int len)
+{
+	int i;
+	const s32 *samples = (const void *)buf;
+
+	for (i = 0; i < len >> 2; i++) {
+		DEFINE_IR_RAW_EVENT(ev);
+
+		ev.duration = abs(samples[i]) * 1000; /* Convert to ns */
+		ev.pulse = (samples[i] > 0) ? false : true;
+
+		ir_raw_event_store(coredev->ir.dev, &ev);
+	}
+	ir_raw_event_handle(coredev->ir.dev);
+}
+
+int sms_ir_init(struct smscore_device_t *coredev)
+{
+	int err;
+	int board_id = smscore_get_board_id(coredev);
+	struct rc_dev *dev;
+
+	sms_log("Allocating rc device");
+	dev = rc_allocate_device();
+	if (!dev) {
+		sms_err("Not enough memory");
+		return -ENOMEM;
+	}
+
+	coredev->ir.controller = 0;	/* Todo: vega/nova SPI number */
+	coredev->ir.timeout = IR_DEFAULT_TIMEOUT;
+	sms_log("IR port %d, timeout %d ms",
+			coredev->ir.controller, coredev->ir.timeout);
+
+	snprintf(coredev->ir.name, sizeof(coredev->ir.name),
+		 "SMS IR (%s)", sms_get_board(board_id)->name);
+
+	strlcpy(coredev->ir.phys, coredev->devpath, sizeof(coredev->ir.phys));
+	strlcat(coredev->ir.phys, "/ir0", sizeof(coredev->ir.phys));
+
+	dev->input_name = coredev->ir.name;
+	dev->input_phys = coredev->ir.phys;
+	dev->dev.parent = coredev->device;
+
+#if 0
+	/* TODO: properly initialize the parameters bellow */
+	dev->input_id.bustype = BUS_USB;
+	dev->input_id.version = 1;
+	dev->input_id.vendor = le16_to_cpu(dev->udev->descriptor.idVendor);
+	dev->input_id.product = le16_to_cpu(dev->udev->descriptor.idProduct);
+#endif
+
+	dev->priv = coredev;
+	dev->driver_type = RC_DRIVER_IR_RAW;
+	dev->allowed_protos = RC_TYPE_ALL;
+	dev->map_name = sms_get_board(board_id)->rc_codes;
+	dev->driver_name = MODULE_NAME;
+
+	sms_log("Input device (IR) %s is set for key events", dev->input_name);
+
+	err = rc_register_device(dev);
+	if (err < 0) {
+		sms_err("Failed to register device");
+		rc_free_device(dev);
+		return err;
+	}
+
+	coredev->ir.dev = dev;
+	return 0;
+}
+
+void sms_ir_exit(struct smscore_device_t *coredev)
+{
+	if (coredev->ir.dev)
+		rc_unregister_device(coredev->ir.dev);
+
+	sms_log("");
+}
diff --git a/drivers/media/common/siano/smsir.h b/drivers/media/common/siano/smsir.h
new file mode 100644
index 000000000000..ae92b3a8587e
--- /dev/null
+++ b/drivers/media/common/siano/smsir.h
@@ -0,0 +1,55 @@
+/****************************************************************
+
+Siano Mobile Silicon, Inc.
+MDTV receiver kernel modules.
+Copyright (C) 2006-2009, Uri Shkolnik
+
+ Copyright (c) 2010 - Mauro Carvalho Chehab
+	- Ported the driver to use rc-core
+	- IR raw event decoding is now done at rc-core
+	- Code almost re-written
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+****************************************************************/
+
+#ifndef __SMS_IR_H__
+#define __SMS_IR_H__
+
+#include <linux/input.h>
+#include <media/rc-core.h>
+
+#define IR_DEFAULT_TIMEOUT		100
+
+struct smscore_device_t;
+
+struct ir_t {
+	struct rc_dev *dev;
+	char name[40];
+	char phys[32];
+
+	char *rc_codes;
+	u64 protocol;
+
+	u32 timeout;
+	u32 controller;
+};
+
+int sms_ir_init(struct smscore_device_t *coredev);
+void sms_ir_exit(struct smscore_device_t *coredev);
+void sms_ir_event(struct smscore_device_t *coredev,
+			const char *buf, int len);
+
+#endif /* __SMS_IR_H__ */
+