diff --git a/Kbuild b/Kbuild
index 2ce2955..b4e7482 100644
--- a/Kbuild
+++ b/Kbuild
@@ -2,6 +2,12 @@
 # Makefile for the kernel multimedia device drivers.
 #
 
+ifeq ($(KERNEL_DVB_CORE),y)
+obj-y        := ddbridge/       \
+		frontends/
+
+else
 obj-y        := dvb-core/	\
 		ddbridge/       \
 		frontends/
+endif
\ No newline at end of file
diff --git a/ddbridge/Kbuild b/ddbridge/Kbuild
index bc9c7c5..cec6ff1 100644
--- a/ddbridge/Kbuild
+++ b/ddbridge/Kbuild
@@ -1,12 +1,16 @@
 EXTRA_CFLAGS += -DCONFIG_DVB_CXD2843 -DCONFIG_DVB_LNBP21 -DCONFIG_DVB_STV090x -DCONFIG_DVB_STV6110x -DCONFIG_DVB_DRXK -DCONFIG_DVB_STV0910 -DCONFIG_DVB_STV6111 -DCONFIG_DVB_LNBH25 -DCONFIG_DVB_MXL5XX -DCONFIG_DVB_CXD2099 -DCONFIG_DVB_NET
 
 ddbridge-objs = ddbridge-main.o ddbridge-hw.o ddbridge-i2c.o ddbridge-ns.o ddbridge-modulator.o ddbridge-core.o ddbridge-io.o ddbridge-ci.o ddbridge-max.o ddbridge-mci.o ddbridge-sx8.o ddbridge-m4.o dvb_netstream.o
+
 octonet-objs = octonet-main.o ddbridge-hw.o ddbridge-i2c.o ddbridge-ns.o ddbridge-modulator.o ddbridge-core.o ddbridge-io.o ddbridge-ci.o ddbridge-max.o ddbridge-mci.o ddbridge-sx8.o ddbridge-m4.o dvb_netstream.o
 
 #mci-objs = ddbridge-mci.o ddbridge-sx8.o ddbridge-m4.o ddbridge-io.o
 
 obj-$(CONFIG_DVB_DDBRIDGE) += ddbridge.o #mci.o
+
+ifneq ($(KERNEL_DVB_CORE),y)
 obj-$(CONFIG_DVB_OCTONET) += octonet.o
+endif
 
 #EXTRA_CFLAGS += -Idrivers/media/dvb/frontends -Idrivers/media/dvb-frontends
 #EXTRA_CFLAGS += -Idrivers/media/common/tuners
diff --git a/ddbridge/ddbridge-core.c b/ddbridge/ddbridge-core.c
index 2fa5a74..590946a 100644
--- a/ddbridge/ddbridge-core.c
+++ b/ddbridge/ddbridge-core.c
@@ -95,6 +95,70 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 /****************************************************************************/
 /****************************************************************************/
 
+/* copied from dvb-core/dvbdev.c because kernel version does not export it */
+
+int ddb_dvb_usercopy(struct file *file,
+		     unsigned int cmd, unsigned long arg,
+		     int (*func)(struct file *file,
+				 unsigned int cmd, void *arg))
+{
+	char    sbuf[128];
+	void    *mbuf = NULL;
+	void    *parg = NULL;
+	int     err  = -EINVAL;
+	
+	/*  Copy arguments into temp kernel buffer  */
+	switch (_IOC_DIR(cmd)) {
+	case _IOC_NONE:
+		/*
+		 * For this command, the pointer is actually an integer
+		 * argument.
+		 */
+		parg = (void *) arg;
+		break;
+	case _IOC_READ: /* some v4l ioctls are marked wrong ... */
+	case _IOC_WRITE:
+	case (_IOC_WRITE | _IOC_READ):
+		if (_IOC_SIZE(cmd) <= sizeof(sbuf)) {
+			parg = sbuf;
+		} else {
+			/* too big to allocate from stack */
+			mbuf = kmalloc(_IOC_SIZE(cmd), GFP_KERNEL);
+			if (NULL == mbuf)
+				return -ENOMEM;
+			parg = mbuf;
+		}
+
+		err = -EFAULT;
+		if (copy_from_user(parg, (void __user *)arg, _IOC_SIZE(cmd)))
+			goto out;
+		break;
+	}
+
+	/* call driver */
+	if ((err = func(file, cmd, parg)) == -ENOIOCTLCMD)
+		err = -ENOTTY;
+
+	if (err < 0)
+		goto out;
+
+	/*  Copy results into user buffer  */
+	switch (_IOC_DIR(cmd))
+	{
+	case _IOC_READ:
+	case (_IOC_WRITE | _IOC_READ):
+		if (copy_to_user((void __user *)arg, parg, _IOC_SIZE(cmd)))
+			err = -EFAULT;
+		break;
+	}
+
+out:
+	kfree(mbuf);
+	return err;
+}
+
+/****************************************************************************/
+
 struct ddb_irq *ddb_irq_set(struct ddb *dev, u32 link, u32 nr,
 			    void (*handler)(void *), void *data)
 {
@@ -998,7 +1062,7 @@ static struct dvb_device dvbdev_ci = {
 static long mod_ioctl(struct file *file,
 		      unsigned int cmd, unsigned long arg)
 {
-	return dvb_usercopy(file, cmd, arg, ddbridge_mod_do_ioctl);
+	return ddb_dvb_usercopy(file, cmd, arg, ddbridge_mod_do_ioctl);
 }
 
 static const struct file_operations mod_fops = {
@@ -2971,7 +3035,7 @@ static int nsd_do_ioctl(struct file *file, unsigned int cmd, void *parg)
 static long nsd_ioctl(struct file *file,
 		      unsigned int cmd, unsigned long arg)
 {
-	return dvb_usercopy(file, cmd, arg, nsd_do_ioctl);
+	return ddb_dvb_usercopy(file, cmd, arg, nsd_do_ioctl);
 }
 
 static const struct file_operations nsd_fops = {
diff --git a/ddbridge/ddbridge-m4.c b/ddbridge/ddbridge-m4.c
index 6203c6f..29a3a13 100644
--- a/ddbridge/ddbridge-m4.c
+++ b/ddbridge/ddbridge-m4.c
@@ -516,7 +516,7 @@ static int base_init(struct mci_base *mci_base)
 	return 0;
 }
 
-struct mci_cfg ddb_max_m4_cfg = {
+static struct mci_cfg ddb_max_m4_cfg = {
 	.type = 0,
 	.fe_ops = &m4_ops,
 	.base_size = sizeof(struct m4_base),
@@ -524,3 +524,8 @@ struct mci_cfg ddb_max_m4_cfg = {
 	.init = init,
 	.base_init = base_init,
 };
+
+struct dvb_frontend *ddb_m4_attach(struct ddb_input *input, int nr, int tuner)
+{
+	return ddb_mci_attach(input, &ddb_max_m4_cfg, nr, tuner);
+}
diff --git a/ddbridge/ddbridge-max.c b/ddbridge/ddbridge-max.c
index 3cab4ff..b79a479 100644
--- a/ddbridge/ddbridge-max.c
+++ b/ddbridge/ddbridge-max.c
@@ -472,7 +472,8 @@ int ddb_fe_attach_mxl5xx(struct ddb_input *input)
 	tuner = demod & 3;
 	if (fmode >= 3)
 		tuner = 0;
-	dvb->fe = dvb_attach(mxl5xx_attach, i2c, &cfg, demod, tuner);
+	dvb->fe = dvb_attach(mxl5xx_attach, i2c, &cfg,
+			     demod, tuner, &dvb->set_input);
 	if (!dvb->fe) {
 		dev_err(dev->dev, "No MXL5XX found!\n");
 		return -ENODEV;
@@ -490,13 +491,17 @@ int ddb_fe_attach_mxl5xx(struct ddb_input *input)
 	dvb->fe->ops.diseqc_send_master_cmd = max_send_master_cmd;
 	dvb->fe->ops.diseqc_send_burst = max_send_burst;
 	dvb->fe->sec_priv = input;
-	dvb->set_input = dvb->fe->ops.set_input;
+#ifndef KERNEL_DVB_CORE
 	dvb->fe->ops.set_input = max_set_input;
+#endif
 	dvb->input = tuner;
 	return 0;
 }
 
 /* MAX MCI related functions */
+struct dvb_frontend *ddb_sx8_attach(struct ddb_input *input, int nr, int tuner,
+				    int (**fn_set_input)(struct dvb_frontend *fe, int input));
+struct dvb_frontend *ddb_m4_attach(struct ddb_input *input, int nr, int tuner);
 
 int ddb_fe_attach_mci(struct ddb_input *input, u32 type)
 {
@@ -505,25 +510,23 @@ int ddb_fe_attach_mci(struct ddb_input *input, u32 type)
 	struct ddb_port *port = input->port;
 	struct ddb_link *link = &dev->link[port->lnr];
 	int demod, tuner;
-	struct mci_cfg cfg;
 	int fm = fmode;
 
 	demod = input->nr;
 	tuner = demod & 3;
 	switch (type) {
 	case DDB_TUNER_MCI_SX8:
-		cfg = ddb_max_sx8_cfg;
 		if (fm >= 3)
 			tuner = 0;
+		dvb->fe = ddb_sx8_attach(input, demod, tuner, &dvb->set_input);
 		break;
 	case DDB_TUNER_MCI_M4:
 		fm = 0;
-		cfg = ddb_max_m4_cfg;
+		dvb->fe = ddb_m4_attach(input, demod, tuner);
 		break;
 	default:
 		return -EINVAL;
 	}
-	dvb->fe = ddb_mci_attach(input, &cfg, demod, tuner);
 	if (!dvb->fe) {
 		dev_err(dev->dev, "No MCI card found!\n");
 		return -ENODEV;
@@ -545,8 +548,9 @@ int ddb_fe_attach_mci(struct ddb_input *input, u32 type)
 	case DDB_TUNER_MCI_M4:
 		break;
 	default:
-		dvb->set_input = dvb->fe->ops.set_input;
+#ifndef KERNEL_DVB_CORE
 		dvb->fe->ops.set_input = max_set_input;
+#endif
 		break;
 	}
 	dvb->input = tuner;
diff --git a/ddbridge/ddbridge-modulator.c b/ddbridge/ddbridge-modulator.c
index e99064d..18fddde 100644
--- a/ddbridge/ddbridge-modulator.c
+++ b/ddbridge/ddbridge-modulator.c
@@ -23,8 +23,13 @@
 
 #include "ddbridge.h"
 #include "ddbridge-io.h"
+#include "ddbridge-ioctl.h"
 
+#ifdef KERNEL_DVB_CORE
+#include "../include/linux/dvb/mod.h"
+#else
 #include <linux/dvb/mod.h>
+#endif
 #include <linux/gcd.h>
 
 /****************************************************************************/
diff --git a/ddbridge/ddbridge-sx8.c b/ddbridge/ddbridge-sx8.c
index 406c31e..84f7a3d 100644
--- a/ddbridge/ddbridge-sx8.c
+++ b/ddbridge/ddbridge-sx8.c
@@ -23,7 +23,6 @@
 
 #include "ddbridge.h"
 #include "ddbridge-io.h"
-#include "ddbridge-i2c.h"
 #include "ddbridge-mci.h"
 
 static int default_mod = 3;
@@ -556,7 +555,10 @@ static int set_input(struct dvb_frontend *fe, int input)
 	mutex_lock(&state->lock);
 	stop_iq(fe);
 	stop(fe);
-	state->mci.tuner = p->input = input;
+	state->mci.tuner = input;
+#ifndef KERNEL_DVB_CORE
+	p->input = input;
+#endif
 	mutex_unlock(&state->lock);
 	return 0;
 }
@@ -582,7 +584,6 @@ static int get_frontend(struct dvb_frontend *fe, struct dtv_frontend_properties
 
 static struct dvb_frontend_ops sx8_ops = {
 	.delsys = { SYS_DVBS, SYS_DVBS2 },
-	.xbar   = { 4, 0, 8 }, /* tuner_max, demod id, demod_max */
 	.info = {
 		.name = "DVB-S/S2X",
 		.frequency_min_hz	= 950000000,
@@ -602,7 +603,10 @@ static struct dvb_frontend_ops sx8_ops = {
 	.tune                           = tune,
 	.release                        = release,
 	.read_status                    = read_status,
+#ifndef KERNEL_DVB_CORE
+	.xbar   = { 4, 0, 8 }, /* tuner_max, demod id, demod_max */
 	.set_input                      = set_input,
+#endif
 	.set_lna                        = set_lna,
 	.sleep                          = sleep,
 };
@@ -612,8 +616,10 @@ static int init(struct mci *mci)
 	struct sx8 *state = (struct sx8 *) mci;
 
 	state->mci.demod = SX8_DEMOD_NONE;
+#ifndef KERNEL_DVB_CORE
 	mci->fe.ops.xbar[1] = mci->nr;
 	mci->fe.dtv_property_cache.input = mci->tuner;
+#endif
 	mutex_init(&state->lock);
 	return 0;
 }
@@ -625,7 +631,7 @@ static int base_init(struct mci_base *mci_base)
 	return 0;
 }
 
-struct mci_cfg ddb_max_sx8_cfg = {
+static struct mci_cfg ddb_max_sx8_cfg = {
 	.type = 0,
 	.fe_ops = &sx8_ops,
 	.base_size = sizeof(struct sx8_base),
@@ -633,3 +639,10 @@ struct mci_cfg ddb_max_sx8_cfg = {
 	.init = init,
 	.base_init = base_init,
 };
+
+struct dvb_frontend *ddb_sx8_attach(struct ddb_input *input, int nr, int tuner,
+				    int (**fn_set_input)(struct dvb_frontend *fe, int input))
+{
+	*fn_set_input = set_input;
+	return ddb_mci_attach(input, &ddb_max_sx8_cfg, nr, tuner);
+}
diff --git a/ddbridge/dvb_netstream.c b/ddbridge/dvb_netstream.c
index f49fc96..ee1188b 100644
--- a/ddbridge/dvb_netstream.c
+++ b/ddbridge/dvb_netstream.c
@@ -26,6 +26,9 @@
 #include <linux/net.h>
 #include "dvb_netstream.h"
 
+int ddb_dvb_usercopy(struct file *file, unsigned int cmd, unsigned long arg,
+		     int (*func)(struct file *file, unsigned int cmd, void *arg));
+
 static ssize_t ns_write(struct file *file, const char *buf,
 			size_t count, loff_t *ppos)
 {
@@ -211,7 +214,7 @@ static int do_ioctl(struct file *file, unsigned int cmd, void *parg)
 static long ns_ioctl(struct file *file,
 		     unsigned int cmd, unsigned long arg)
 {
-	return dvb_usercopy(file, cmd, arg, do_ioctl);
+	return ddb_dvb_usercopy(file, cmd, arg, do_ioctl);
 }
 
 static const struct file_operations ns_fops = {
diff --git a/dvb-core/Makefile b/dvb-core/Makefile
index 28e3437..c9ff666 100644
--- a/dvb-core/Makefile
+++ b/dvb-core/Makefile
@@ -13,4 +13,3 @@ dvb-core-objs := dvbdev.o dmxdev.o dvb_demux.o		 	\
 obj-$(CONFIG_DVB_CORE) += dvb-core.o
 
 EXTRA_CFLAGS += -DCONFIG_DVB_DYNAMIC_MINORS -DCONFIG_DVB_NET
-#NOSTDINC_FLAGS += -I$(KBUILD_EXTMOD)/include -I$(KBUILD_EXTMOD)/include/linux
diff --git a/frontends/mxl5xx.c b/frontends/mxl5xx.c
index ab40793..ef5e9ac 100644
--- a/frontends/mxl5xx.c
+++ b/frontends/mxl5xx.c
@@ -825,13 +825,15 @@ static int set_input(struct dvb_frontend *fe, int input)
 	struct mxl *state = fe->demodulator_priv;
 	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
 
-	state->tuner = p->input = input;
+	state->tuner = input;
+#ifndef KERNEL_DVB_CORE
+	p->input = input;
+#endif
 	return 0;
 }
 
 static struct dvb_frontend_ops mxl_ops = {
 	.delsys = { SYS_DVBS, SYS_DVBS2, SYS_DSS },
-	.xbar   = { 4, 0, 8 }, /* tuner_max, demod id, demod_max */
 	.info = {
 		.name			= "MXL5XX",
 		.frequency_min_hz	= 300000000,
@@ -856,7 +858,10 @@ static struct dvb_frontend_ops mxl_ops = {
 	.read_signal_strength		= read_signal_strength,
 	.read_ucblocks			= read_ucblocks,
 	.get_frontend                   = get_frontend,
+#ifndef KERNEL_DVB_CORE
 	.set_input                      = set_input,
+	.xbar   = { 4, 0, 8 }, /* tuner_max, demod id, demod_max */
+#endif
 	.diseqc_send_master_cmd		= send_master_cmd,
 };
 
@@ -1873,7 +1878,8 @@ static int probe(struct mxl *state, struct mxl5xx_cfg *cfg)
 
 struct dvb_frontend *mxl5xx_attach(struct i2c_adapter *i2c,
 				   struct mxl5xx_cfg *cfg,
-				   u32 demod, u32 tuner)
+				   u32 demod, u32 tuner,
+				   int (**fn_set_input)(struct dvb_frontend *, int))
 {
 	struct mxl *state;
 	struct mxl_base *base;
@@ -1913,9 +1919,12 @@ struct dvb_frontend *mxl5xx_attach(struct i2c_adapter *i2c,
 		list_add(&base->mxllist, &mxllist);
 	}
 	state->fe.ops               = mxl_ops;
+#ifndef KERNEL_DVB_CORE
 	state->fe.ops.xbar[1]       = demod;
-	state->fe.demodulator_priv  = state;
 	state->fe.dtv_property_cache.input = tuner;
+#endif
+	state->fe.demodulator_priv  = state;
+	*fn_set_input = set_input;
 	list_add(&state->mxl, &base->mxls);
 	return &state->fe;
 
diff --git a/frontends/mxl5xx.h b/frontends/mxl5xx.h
index 24ac1fa..1a3f5e7 100644
--- a/frontends/mxl5xx.h
+++ b/frontends/mxl5xx.h
@@ -23,12 +23,15 @@ struct mxl5xx_cfg {
 
 extern struct dvb_frontend *mxl5xx_attach(struct i2c_adapter *i2c,
 					  struct mxl5xx_cfg *cfg,
-					  u32 demod, u32 tuner);
+					  u32 demod, u32 tuner,
+					  int (**fn_set_input)(struct dvb_frontend *, int));
+
 #else
 
 static inline struct dvb_frontend *mxl5xx_attach(struct i2c_adapter *i2c,
 						 struct mxl5xx_cfg *cfg,
-						 u32 demod, u32 tuner)
+						 u32 demod, u32 tuner,
+						 int (**fn_set_input)(struct dvb_frontend *, int))
 {
 	pr_warn("%s: driver disabled by Kconfig\n", __func__);
 	return NULL;