Merge ../linux-2.6

54 files changed, 1594 insertions, 1370 deletions

diff --git a/drivers/media/dvb/b2c2/flexcop-common.h b/drivers/media/dvb/b2c2/flexcop-common.h
index 7d7e1613c5a..b3dd0603cd9 100644
--- a/drivers/media/dvb/b2c2/flexcop-common.h
+++ b/drivers/media/dvb/b2c2/flexcop-common.h
@@ -10,6 +10,7 @@
 
 #include <linux/config.h>
 #include <linux/pci.h>
+#include <linux/mutex.h>
 
 #include "flexcop-reg.h"
 
@@ -73,8 +74,7 @@ struct flexcop_device {
 	int (*fe_sleep) (struct dvb_frontend *);
 
 	struct i2c_adapter i2c_adap;
-	struct semaphore i2c_sem;
-
+	struct mutex i2c_mutex;
 	struct module *owner;
 
 	/* options and status */
diff --git a/drivers/media/dvb/b2c2/flexcop-i2c.c b/drivers/media/dvb/b2c2/flexcop-i2c.c
index 56495cb6cd0..e0bd2d8f0f0 100644
--- a/drivers/media/dvb/b2c2/flexcop-i2c.c
+++ b/drivers/media/dvb/b2c2/flexcop-i2c.c
@@ -135,7 +135,7 @@ static int flexcop_master_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msgs
 	struct flexcop_device *fc = i2c_get_adapdata(i2c_adap);
 	int i, ret = 0;
 
-	if (down_interruptible(&fc->i2c_sem))
+	if (mutex_lock_interruptible(&fc->i2c_mutex))
 		return -ERESTARTSYS;
 
 	/* reading */
@@ -161,7 +161,7 @@ static int flexcop_master_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msgs
 	else
 		ret = num;
 
-	up(&fc->i2c_sem);
+	mutex_unlock(&fc->i2c_mutex);
 
 	return ret;
 }
@@ -180,7 +180,7 @@ int flexcop_i2c_init(struct flexcop_device *fc)
 {
 	int ret;
 
-	sema_init(&fc->i2c_sem,1);
+	mutex_init(&fc->i2c_mutex);
 
 	memset(&fc->i2c_adap, 0, sizeof(struct i2c_adapter));
 	strncpy(fc->i2c_adap.name, "B2C2 FlexCop device",I2C_NAME_SIZE);
diff --git a/drivers/media/dvb/bt8xx/Makefile b/drivers/media/dvb/bt8xx/Makefile
index d188e4c670b..9d197efb481 100644
--- a/drivers/media/dvb/bt8xx/Makefile
+++ b/drivers/media/dvb/bt8xx/Makefile
@@ -1,3 +1,3 @@
 obj-$(CONFIG_DVB_BT8XX) += bt878.o dvb-bt8xx.o dst.o dst_ca.o
 
-EXTRA_CFLAGS = -Idrivers/media/dvb/dvb-core/ -Idrivers/media/video -Idrivers/media/dvb/frontends
+EXTRA_CFLAGS = -Idrivers/media/dvb/dvb-core/ -Idrivers/media/video/bt8xx -Idrivers/media/dvb/frontends
diff --git a/drivers/media/dvb/bt8xx/bt878.c b/drivers/media/dvb/bt8xx/bt878.c
index 356f447ee2a..5500f8a0ffe 100644
--- a/drivers/media/dvb/bt8xx/bt878.c
+++ b/drivers/media/dvb/bt8xx/bt878.c
@@ -344,7 +344,7 @@ bt878_device_control(struct bt878 *bt, unsigned int cmd, union dst_gpio_packet *
 	int retval;
 
 	retval = 0;
-	if (down_interruptible (&bt->gpio_lock))
+	if (mutex_lock_interruptible(&bt->gpio_lock))
 		return -ERESTARTSYS;
 	/* special gpio signal */
 	switch (cmd) {
@@ -375,7 +375,7 @@ bt878_device_control(struct bt878 *bt, unsigned int cmd, union dst_gpio_packet *
 		retval = -EINVAL;
 		break;
 	}
-	up(&bt->gpio_lock);
+	mutex_unlock(&bt->gpio_lock);
 	return retval;
 }
 
diff --git a/drivers/media/dvb/bt8xx/bt878.h b/drivers/media/dvb/bt8xx/bt878.h
index 9faf93770d0..f685bc12960 100644
--- a/drivers/media/dvb/bt8xx/bt878.h
+++ b/drivers/media/dvb/bt8xx/bt878.h
@@ -25,6 +25,8 @@
 #include <linux/pci.h>
 #include <linux/sched.h>
 #include <linux/spinlock.h>
+#include <linux/mutex.h>
+
 #include "bt848.h"
 #include "bttv.h"
 
@@ -108,7 +110,7 @@ struct cards {
 extern int bt878_num;
 
 struct bt878 {
-	struct semaphore  gpio_lock;
+	struct mutex gpio_lock;
 	unsigned int nr;
 	unsigned int bttv_nr;
 	struct i2c_adapter *adapter;
diff --git a/drivers/media/dvb/bt8xx/dst.c b/drivers/media/dvb/bt8xx/dst.c
index 0310e3dd07e..1cfa5e5035d 100644
--- a/drivers/media/dvb/bt8xx/dst.c
+++ b/drivers/media/dvb/bt8xx/dst.c
@@ -910,7 +910,7 @@ static int dst_get_device_id(struct dst_state *state)
 
 static int dst_probe(struct dst_state *state)
 {
-	sema_init(&state->dst_mutex, 1);
+	mutex_init(&state->dst_mutex);
 	if ((rdc_8820_reset(state)) < 0) {
 		dprintk(verbose, DST_ERROR, 1, "RDC 8820 RESET Failed.");
 		return -1;
@@ -962,7 +962,7 @@ int dst_command(struct dst_state *state, u8 *data, u8 len)
 {
 	u8 reply;
 
-	down(&state->dst_mutex);
+	mutex_lock(&state->dst_mutex);
 	if ((dst_comm_init(state)) < 0) {
 		dprintk(verbose, DST_NOTICE, 1, "DST Communication Initialization Failed.");
 		goto error;
@@ -1013,11 +1013,11 @@ int dst_command(struct dst_state *state, u8 *data, u8 len)
 		dprintk(verbose, DST_INFO, 1, "checksum failure");
 		goto error;
 	}
-	up(&state->dst_mutex);
+	mutex_unlock(&state->dst_mutex);
 	return 0;
 
 error:
-	up(&state->dst_mutex);
+	mutex_unlock(&state->dst_mutex);
 	return -EIO;
 
 }
@@ -1128,7 +1128,7 @@ static int dst_write_tuna(struct dvb_frontend *fe)
 			dst_set_voltage(fe, SEC_VOLTAGE_13);
 	}
 	state->diseq_flags &= ~(HAS_LOCK | ATTEMPT_TUNE);
-	down(&state->dst_mutex);
+	mutex_lock(&state->dst_mutex);
 	if ((dst_comm_init(state)) < 0) {
 		dprintk(verbose, DST_DEBUG, 1, "DST Communication initialization failed.");
 		goto error;
@@ -1160,11 +1160,11 @@ static int dst_write_tuna(struct dvb_frontend *fe)
 	state->diseq_flags |= ATTEMPT_TUNE;
 	retval = dst_get_tuna(state);
 werr:
-	up(&state->dst_mutex);
+	mutex_unlock(&state->dst_mutex);
 	return retval;
 
 error:
-	up(&state->dst_mutex);
+	mutex_unlock(&state->dst_mutex);
 	return -EIO;
 }
 
diff --git a/drivers/media/dvb/bt8xx/dst_ca.c b/drivers/media/dvb/bt8xx/dst_ca.c
index c650b4bf7f5..f6b49a801eb 100644
--- a/drivers/media/dvb/bt8xx/dst_ca.c
+++ b/drivers/media/dvb/bt8xx/dst_ca.c
@@ -81,7 +81,7 @@ static int dst_ci_command(struct dst_state* state, u8 * data, u8 *ca_string, u8
 {
 	u8 reply;
 
-	down(&state->dst_mutex);
+	mutex_lock(&state->dst_mutex);
 	dst_comm_init(state);
 	msleep(65);
 
@@ -110,11 +110,11 @@ static int dst_ci_command(struct dst_state* state, u8 * data, u8 *ca_string, u8
 			goto error;
 		}
 	}
-	up(&state->dst_mutex);
+	mutex_unlock(&state->dst_mutex);
 	return 0;
 
 error:
-	up(&state->dst_mutex);
+	mutex_unlock(&state->dst_mutex);
 	return -EIO;
 }
 
diff --git a/drivers/media/dvb/bt8xx/dst_common.h b/drivers/media/dvb/bt8xx/dst_common.h
index 81557f38fe3..51d4e043716 100644
--- a/drivers/media/dvb/bt8xx/dst_common.h
+++ b/drivers/media/dvb/bt8xx/dst_common.h
@@ -25,6 +25,7 @@
 #include <linux/smp_lock.h>
 #include <linux/dvb/frontend.h>
 #include <linux/device.h>
+#include <linux/mutex.h>
 #include "bt878.h"
 
 #include "dst_ca.h"
@@ -121,7 +122,7 @@ struct dst_state {
 	u8 vendor[8];
 	u8 board_info[8];
 
-	struct semaphore dst_mutex;
+	struct mutex dst_mutex;
 };
 
 struct dst_types {
diff --git a/drivers/media/dvb/bt8xx/dvb-bt8xx.c b/drivers/media/dvb/bt8xx/dvb-bt8xx.c
index ea27b15007e..baa8227ef87 100644
--- a/drivers/media/dvb/bt8xx/dvb-bt8xx.c
+++ b/drivers/media/dvb/bt8xx/dvb-bt8xx.c
@@ -76,13 +76,13 @@ static int dvb_bt8xx_start_feed(struct dvb_demux_feed *dvbdmxfeed)
 	if (!dvbdmx->dmx.frontend)
 		return -EINVAL;
 
-	down(&card->lock);
+	mutex_lock(&card->lock);
 	card->nfeeds++;
 	rc = card->nfeeds;
 	if (card->nfeeds == 1)
 		bt878_start(card->bt, card->gpio_mode,
 			    card->op_sync_orin, card->irq_err_ignore);
-	up(&card->lock);
+	mutex_unlock(&card->lock);
 	return rc;
 }
 
@@ -96,11 +96,11 @@ static int dvb_bt8xx_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
 	if (!dvbdmx->dmx.frontend)
 		return -EINVAL;
 
-	down(&card->lock);
+	mutex_lock(&card->lock);
 	card->nfeeds--;
 	if (card->nfeeds == 0)
 		bt878_stop(card->bt);
-	up(&card->lock);
+	mutex_unlock(&card->lock);
 
 	return 0;
 }
@@ -239,6 +239,20 @@ static int cx24108_pll_set(struct dvb_frontend* fe, struct dvb_frontend_paramete
 
 static int pinnsat_pll_init(struct dvb_frontend* fe)
 {
+	struct dvb_bt8xx_card *card = fe->dvb->priv;
+
+	bttv_gpio_enable(card->bttv_nr, 1, 1);  /* output */
+	bttv_write_gpio(card->bttv_nr, 1, 1);   /* relay on */
+
+	return 0;
+}
+
+static int pinnsat_pll_sleep(struct dvb_frontend* fe)
+{
+	struct dvb_bt8xx_card *card = fe->dvb->priv;
+
+	bttv_write_gpio(card->bttv_nr, 1, 0);   /* relay off */
+
 	return 0;
 }
 
@@ -246,6 +260,7 @@ static struct cx24110_config pctvsat_config = {
 	.demod_address = 0x55,
 	.pll_init = pinnsat_pll_init,
 	.pll_set = cx24108_pll_set,
+	.pll_sleep = pinnsat_pll_sleep,
 };
 
 static int microtune_mt7202dtf_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
@@ -788,7 +803,7 @@ static int dvb_bt8xx_probe(struct bttv_sub_device *sub)
 	if (!(card = kzalloc(sizeof(struct dvb_bt8xx_card), GFP_KERNEL)))
 		return -ENOMEM;
 
-	init_MUTEX(&card->lock);
+	mutex_init(&card->lock);
 	card->bttv_nr = sub->core->nr;
 	strncpy(card->card_name, sub->core->name, sizeof(sub->core->name));
 	card->i2c_adapter = &sub->core->i2c_adap;
@@ -798,14 +813,14 @@ static int dvb_bt8xx_probe(struct bttv_sub_device *sub)
 		card->gpio_mode = 0x0400c060;
 		/* should be: BT878_A_GAIN=0,BT878_A_PWRDN,BT878_DA_DPM,BT878_DA_SBR,
 			      BT878_DA_IOM=1,BT878_DA_APP to enable serial highspeed mode. */
-		card->op_sync_orin = 0;
-		card->irq_err_ignore = 0;
+		card->op_sync_orin = BT878_RISC_SYNC_MASK;
+		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 		break;
 
 	case BTTV_BOARD_DVICO_DVBT_LITE:
 		card->gpio_mode = 0x0400C060;
-		card->op_sync_orin = 0;
-		card->irq_err_ignore = 0;
+		card->op_sync_orin = BT878_RISC_SYNC_MASK;
+		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 		/* 26, 15, 14, 6, 5
 		 * A_PWRDN  DA_DPM DA_SBR DA_IOM_DA
 		 * DA_APP(parallel) */
@@ -820,15 +835,15 @@ static int dvb_bt8xx_probe(struct bttv_sub_device *sub)
 	case BTTV_BOARD_NEBULA_DIGITV:
 	case BTTV_BOARD_AVDVBT_761:
 		card->gpio_mode = (1 << 26) | (1 << 14) | (1 << 5);
-		card->op_sync_orin = 0;
-		card->irq_err_ignore = 0;
+		card->op_sync_orin = BT878_RISC_SYNC_MASK;
+		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 		/* A_PWRDN DA_SBR DA_APP (high speed serial) */
 		break;
 
 	case BTTV_BOARD_AVDVBT_771: //case 0x07711461:
 		card->gpio_mode = 0x0400402B;
 		card->op_sync_orin = BT878_RISC_SYNC_MASK;
-		card->irq_err_ignore = 0;
+		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 		/* A_PWRDN DA_SBR  DA_APP[0] PKTP=10 RISC_ENABLE FIFO_ENABLE*/
 		break;
 
@@ -852,8 +867,8 @@ static int dvb_bt8xx_probe(struct bttv_sub_device *sub)
 
 	case BTTV_BOARD_PC_HDTV:
 		card->gpio_mode = 0x0100EC7B;
-		card->op_sync_orin = 0;
-		card->irq_err_ignore = 0;
+		card->op_sync_orin = BT878_RISC_SYNC_MASK;
+		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 		break;
 
 	default:
@@ -881,7 +896,7 @@ static int dvb_bt8xx_probe(struct bttv_sub_device *sub)
 		return -EFAULT;
 	}
 
-	init_MUTEX(&card->bt->gpio_lock);
+	mutex_init(&card->bt->gpio_lock);
 	card->bt->bttv_nr = sub->core->nr;
 
 	if ( (ret = dvb_bt8xx_load_card(card, sub->core->type)) ) {
diff --git a/drivers/media/dvb/bt8xx/dvb-bt8xx.h b/drivers/media/dvb/bt8xx/dvb-bt8xx.h
index cf035a80361..00dd9fa54c8 100644
--- a/drivers/media/dvb/bt8xx/dvb-bt8xx.h
+++ b/drivers/media/dvb/bt8xx/dvb-bt8xx.h
@@ -26,6 +26,7 @@
 #define DVB_BT8XX_H
 
 #include <linux/i2c.h>
+#include <linux/mutex.h>
 #include "dvbdev.h"
 #include "dvb_net.h"
 #include "bttv.h"
@@ -38,7 +39,7 @@
 #include "lgdt330x.h"
 
 struct dvb_bt8xx_card {
-	struct semaphore lock;
+	struct mutex lock;
 	int nfeeds;
 	char card_name[32];
 	struct dvb_adapter dvb_adapter;
diff --git a/drivers/media/dvb/cinergyT2/cinergyT2.c b/drivers/media/dvb/cinergyT2/cinergyT2.c
index c4b4c5b6b7c..71b575dc22b 100644
--- a/drivers/media/dvb/cinergyT2/cinergyT2.c
+++ b/drivers/media/dvb/cinergyT2/cinergyT2.c
@@ -30,6 +30,7 @@
 #include <linux/pci.h>
 #include <linux/input.h>
 #include <linux/dvb/frontend.h>
+#include <linux/mutex.h>
 
 #include "dmxdev.h"
 #include "dvb_demux.h"
@@ -116,7 +117,7 @@ static struct dvb_frontend_info cinergyt2_fe_info = {
 struct cinergyt2 {
 	struct dvb_demux demux;
 	struct usb_device *udev;
-	struct semaphore sem;
+	struct mutex sem;
 	struct dvb_adapter adapter;
 	struct dvb_device *fedev;
 	struct dmxdev dmxdev;
@@ -345,14 +346,14 @@ static int cinergyt2_start_feed(struct dvb_demux_feed *dvbdmxfeed)
 	struct dvb_demux *demux = dvbdmxfeed->demux;
 	struct cinergyt2 *cinergyt2 = demux->priv;
 
-	if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+	if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
 		return -ERESTARTSYS;
 
 	if (cinergyt2->streaming == 0)
 		cinergyt2_start_stream_xfer(cinergyt2);
 
 	cinergyt2->streaming++;
-	up(&cinergyt2->sem);
+	mutex_unlock(&cinergyt2->sem);
 	return 0;
 }
 
@@ -361,13 +362,13 @@ static int cinergyt2_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
 	struct dvb_demux *demux = dvbdmxfeed->demux;
 	struct cinergyt2 *cinergyt2 = demux->priv;
 
-	if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+	if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
 		return -ERESTARTSYS;
 
 	if (--cinergyt2->streaming == 0)
 		cinergyt2_stop_stream_xfer(cinergyt2);
 
-	up(&cinergyt2->sem);
+	mutex_unlock(&cinergyt2->sem);
 	return 0;
 }
 
@@ -483,11 +484,11 @@ static int cinergyt2_open (struct inode *inode, struct file *file)
 	struct cinergyt2 *cinergyt2 = dvbdev->priv;
 	int err = -ERESTARTSYS;
 
-	if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+	if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
 		return -ERESTARTSYS;
 
 	if ((err = dvb_generic_open(inode, file))) {
-		up(&cinergyt2->sem);
+		mutex_unlock(&cinergyt2->sem);
 		return err;
 	}
 
@@ -499,12 +500,15 @@ static int cinergyt2_open (struct inode *inode, struct file *file)
 
 	atomic_inc(&cinergyt2->inuse);
 
-	up(&cinergyt2->sem);
+	mutex_unlock(&cinergyt2->sem);
 	return 0;
 }
 
 static void cinergyt2_unregister(struct cinergyt2 *cinergyt2)
 {
+	dvb_net_release(&cinergyt2->dvbnet);
+	dvb_dmxdev_release(&cinergyt2->dmxdev);
+	dvb_dmx_release(&cinergyt2->demux);
 	dvb_unregister_device(cinergyt2->fedev);
 	dvb_unregister_adapter(&cinergyt2->adapter);
 
@@ -517,7 +521,7 @@ static int cinergyt2_release (struct inode *inode, struct file *file)
 	struct dvb_device *dvbdev = file->private_data;
 	struct cinergyt2 *cinergyt2 = dvbdev->priv;
 
-	if (down_interruptible(&cinergyt2->sem))
+	if (mutex_lock_interruptible(&cinergyt2->sem))
 		return -ERESTARTSYS;
 
 	if (!cinergyt2->disconnect_pending && (file->f_flags & O_ACCMODE) != O_RDONLY) {
@@ -526,7 +530,7 @@ static int cinergyt2_release (struct inode *inode, struct file *file)
 		cinergyt2_sleep(cinergyt2, 1);
 	}
 
-	up(&cinergyt2->sem);
+	mutex_unlock(&cinergyt2->sem);
 
 	if (atomic_dec_and_test(&cinergyt2->inuse) && cinergyt2->disconnect_pending) {
 		warn("delayed unregister in release");
@@ -541,12 +545,12 @@ static unsigned int cinergyt2_poll (struct file *file, struct poll_table_struct
 	struct dvb_device *dvbdev = file->private_data;
 	struct cinergyt2 *cinergyt2 = dvbdev->priv;
 
-	if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+	if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
 		return -ERESTARTSYS;
 
 	poll_wait(file, &cinergyt2->poll_wq, wait);
 
-	up(&cinergyt2->sem);
+	mutex_unlock(&cinergyt2->sem);
 
 	return (POLLIN | POLLRDNORM | POLLPRI);
 }
@@ -613,7 +617,7 @@ static int cinergyt2_ioctl (struct inode *inode, struct file *file,
 		if (copy_from_user(&p, (void  __user*) arg, sizeof(p)))
 			return -EFAULT;
 
-		if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+		if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
 			return -ERESTARTSYS;
 
 		param->cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS;
@@ -629,7 +633,7 @@ static int cinergyt2_ioctl (struct inode *inode, struct file *file,
 					(char *) param, sizeof(*param),
 					NULL, 0);
 
-		up(&cinergyt2->sem);
+		mutex_unlock(&cinergyt2->sem);
 
 		return (err < 0) ? err : 0;
 	}
@@ -724,7 +728,7 @@ static void cinergyt2_query_rc (void *data)
 	struct cinergyt2_rc_event rc_events[12];
 	int n, len, i;
 
-	if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+	if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
 		return;
 
 	len = cinergyt2_command(cinergyt2, buf, sizeof(buf),
@@ -784,7 +788,7 @@ out:
 	schedule_delayed_work(&cinergyt2->rc_query_work,
 			      msecs_to_jiffies(RC_QUERY_INTERVAL));
 
-	up(&cinergyt2->sem);
+	mutex_unlock(&cinergyt2->sem);
 }
 
 static int cinergyt2_register_rc(struct cinergyt2 *cinergyt2)
@@ -849,7 +853,7 @@ static void cinergyt2_query (void *data)
 	uint8_t lock_bits;
 	uint32_t unc;
 
-	if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+	if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
 		return;
 
 	unc = s->uncorrected_block_count;
@@ -868,7 +872,7 @@ static void cinergyt2_query (void *data)
 	schedule_delayed_work(&cinergyt2->query_work,
 			      msecs_to_jiffies(QUERY_INTERVAL));
 
-	up(&cinergyt2->sem);
+	mutex_unlock(&cinergyt2->sem);
 }
 
 static int cinergyt2_probe (struct usb_interface *intf,
@@ -885,7 +889,7 @@ static int cinergyt2_probe (struct usb_interface *intf,
 	memset (cinergyt2, 0, sizeof (struct cinergyt2));
 	usb_set_intfdata (intf, (void *) cinergyt2);
 
-	init_MUTEX(&cinergyt2->sem);
+	mutex_init(&cinergyt2->sem);
 	init_waitqueue_head (&cinergyt2->poll_wq);
 	INIT_WORK(&cinergyt2->query_work, cinergyt2_query, cinergyt2);
 
@@ -937,6 +941,7 @@ static int cinergyt2_probe (struct usb_interface *intf,
 	return 0;
 
 bailout:
+	dvb_net_release(&cinergyt2->dvbnet);
 	dvb_dmxdev_release(&cinergyt2->dmxdev);
 	dvb_dmx_release(&cinergyt2->demux);
 	dvb_unregister_adapter(&cinergyt2->adapter);
@@ -967,7 +972,7 @@ static int cinergyt2_suspend (struct usb_interface *intf, pm_message_t state)
 {
 	struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
 
-	if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+	if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
 		return -ERESTARTSYS;
 
 	if (state.event > PM_EVENT_ON) {
@@ -981,7 +986,7 @@ static int cinergyt2_suspend (struct usb_interface *intf, pm_message_t state)
 		cinergyt2_sleep(cinergyt2, 1);
 	}
 
-	up(&cinergyt2->sem);
+	mutex_unlock(&cinergyt2->sem);
 	return 0;
 }
 
@@ -990,7 +995,7 @@ static int cinergyt2_resume (struct usb_interface *intf)
 	struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
 	struct dvbt_set_parameters_msg *param = &cinergyt2->param;
 
-	if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+	if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
 		return -ERESTARTSYS;
 
 	if (!cinergyt2->sleeping) {
@@ -1003,7 +1008,7 @@ static int cinergyt2_resume (struct usb_interface *intf)
 
 	cinergyt2_resume_rc(cinergyt2);
 
-	up(&cinergyt2->sem);
+	mutex_unlock(&cinergyt2->sem);
 	return 0;
 }
 
diff --git a/drivers/media/dvb/dvb-core/dmxdev.c b/drivers/media/dvb/dvb-core/dmxdev.c
index 7b8373ad121..09e96e9ddbd 100644
--- a/drivers/media/dvb/dvb-core/dmxdev.c
+++ b/drivers/media/dvb/dvb-core/dmxdev.c
@@ -1,9 +1,8 @@
 /*
  * dmxdev.c - DVB demultiplexer device
  *
- * Copyright (C) 2000 Ralph  Metzler <ralph@convergence.de>
- *		  & Marcus Metzler <marcus@convergence.de>
-		      for convergence integrated media GmbH
+ * Copyright (C) 2000 Ralph Metzler & Marcus Metzler
+ *		      for convergence integrated media GmbH
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public License
@@ -32,7 +31,6 @@
 #include <linux/wait.h>
 #include <asm/uaccess.h>
 #include <asm/system.h>
-
 #include "dmxdev.h"
 
 static int debug;
@@ -42,177 +40,133 @@ MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
 
 #define dprintk	if (debug) printk
 
-static inline void dvb_dmxdev_buffer_init(struct dmxdev_buffer *buffer)
+static int dvb_dmxdev_buffer_write(struct dvb_ringbuffer *buf,
+				   const u8 *src, size_t len)
 {
-	buffer->data=NULL;
-	buffer->size=8192;
-	buffer->pread=0;
-	buffer->pwrite=0;
-	buffer->error=0;
-	init_waitqueue_head(&buffer->queue);
-}
-
-static inline int dvb_dmxdev_buffer_write(struct dmxdev_buffer *buf, const u8 *src, int len)
-{
-	int split;
-	int free;
-	int todo;
+	ssize_t free;
 
 	if (!len)
 		return 0;
 	if (!buf->data)
 		return 0;
 
-	free=buf->pread-buf->pwrite;
-	split=0;
-	if (free<=0) {
-		free+=buf->size;
-		split=buf->size-buf->pwrite;
-	}
-	if (len>=free) {
+	free = dvb_ringbuffer_free(buf);
+	if (len > free) {
 		dprintk("dmxdev: buffer overflow\n");
-		return -1;
+		return -EOVERFLOW;
 	}
-	if (split>=len)
-		split=0;
-	todo=len;
-	if (split) {
-		memcpy(buf->data + buf->pwrite, src, split);
-		todo-=split;
-		buf->pwrite=0;
-	}
-	memcpy(buf->data + buf->pwrite, src+split, todo);
-	buf->pwrite=(buf->pwrite+todo)%buf->size;
-	return len;
+
+	return dvb_ringbuffer_write(buf, src, len);
 }
 
-static ssize_t dvb_dmxdev_buffer_read(struct dmxdev_buffer *src,
-		int non_blocking, char __user *buf, size_t count, loff_t *ppos)
+static ssize_t dvb_dmxdev_buffer_read(struct dvb_ringbuffer *src,
+				      int non_blocking, char __user *buf,
+				      size_t count, loff_t *ppos)
 {
-	unsigned long todo=count;
-	int split, avail, error;
+	size_t todo;
+	ssize_t avail;
+	ssize_t ret = 0;
 
 	if (!src->data)
 		return 0;
 
-	if ((error=src->error)) {
-		src->pwrite=src->pread;
-		src->error=0;
-		return error;
+	if (src->error) {
+		ret = src->error;
+		dvb_ringbuffer_flush(src);
+		return ret;
 	}
 
-	if (non_blocking && (src->pwrite==src->pread))
-		return -EWOULDBLOCK;
-
-	while (todo>0) {
-		if (non_blocking && (src->pwrite==src->pread))
-			return (count-todo) ? (count-todo) : -EWOULDBLOCK;
+	for (todo = count; todo > 0; todo -= ret) {
+		if (non_blocking && dvb_ringbuffer_empty(src)) {
+			ret = -EWOULDBLOCK;
+			break;
+		}
 
-		if (wait_event_interruptible(src->queue,
-					     (src->pread!=src->pwrite) ||
-					     (src->error))<0)
-			return count-todo;
+		ret = wait_event_interruptible(src->queue,
+					       !dvb_ringbuffer_empty(src) ||
+					       (src->error != 0));
+		if (ret < 0)
+			break;
 
-		if ((error=src->error)) {
-			src->pwrite=src->pread;
-			src->error=0;
-			return error;
+		if (src->error) {
+			ret = src->error;
+			dvb_ringbuffer_flush(src);
+			break;
 		}
 
-		split=src->size;
-		avail=src->pwrite - src->pread;
-		if (avail<0) {
-			avail+=src->size;
-			split=src->size - src->pread;
-		}
-		if (avail>todo)
-			avail=todo;
-		if (split<avail) {
-			if (copy_to_user(buf, src->data+src->pread, split))
-				  return -EFAULT;
-			buf+=split;
-			src->pread=0;
-			todo-=split;
-			avail-=split;
-		}
-		if (avail) {
-			if (copy_to_user(buf, src->data+src->pread, avail))
-				return -EFAULT;
-			src->pread = (src->pread + avail) % src->size;
-			todo-=avail;
-			buf+=avail;
-		}
+		avail = dvb_ringbuffer_avail(src);
+		if (avail > todo)
+			avail = todo;
+
+		ret = dvb_ringbuffer_read(src, buf, avail, 1);
+		if (ret < 0)
+			break;
+
+		buf += ret;
 	}
-	return count;
+
+	return (count - todo) ? (count - todo) : ret;
 }
 
-static struct dmx_frontend * get_fe(struct dmx_demux *demux, int type)
+static struct dmx_frontend *get_fe(struct dmx_demux *demux, int type)
 {
 	struct list_head *head, *pos;
 
-	head=demux->get_frontends(demux);
+	head = demux->get_frontends(demux);
 	if (!head)
 		return NULL;
 	list_for_each(pos, head)
-		if (DMX_FE_ENTRY(pos)->source==type)
+		if (DMX_FE_ENTRY(pos)->source == type)
 			return DMX_FE_ENTRY(pos);
 
 	return NULL;
 }
 
-static inline void dvb_dmxdev_dvr_state_set(struct dmxdev_dvr *dmxdevdvr, int state)
-{
-	spin_lock_irq(&dmxdevdvr->dev->lock);
-	dmxdevdvr->state=state;
-	spin_unlock_irq(&dmxdevdvr->dev->lock);
-}
-
 static int dvb_dvr_open(struct inode *inode, struct file *file)
 {
 	struct dvb_device *dvbdev = file->private_data;
 	struct dmxdev *dmxdev = dvbdev->priv;
 	struct dmx_frontend *front;
 
-	dprintk ("function : %s\n", __FUNCTION__);
+	dprintk("function : %s\n", __FUNCTION__);
 
-	if (down_interruptible (&dmxdev->mutex))
+	if (mutex_lock_interruptible(&dmxdev->mutex))
 		return -ERESTARTSYS;
 
-	if ((file->f_flags&O_ACCMODE)==O_RDWR) {
-		if (!(dmxdev->capabilities&DMXDEV_CAP_DUPLEX)) {
-			up(&dmxdev->mutex);
+	if ((file->f_flags & O_ACCMODE) == O_RDWR) {
+		if (!(dmxdev->capabilities & DMXDEV_CAP_DUPLEX)) {
+			mutex_unlock(&dmxdev->mutex);
 			return -EOPNOTSUPP;
 		}
 	}
 
-	if ((file->f_flags&O_ACCMODE)==O_RDONLY) {
-	      dvb_dmxdev_buffer_init(&dmxdev->dvr_buffer);
-	      dmxdev->dvr_buffer.size=DVR_BUFFER_SIZE;
-	      dmxdev->dvr_buffer.data=vmalloc(DVR_BUFFER_SIZE);
-	      if (!dmxdev->dvr_buffer.data) {
-		      up(&dmxdev->mutex);
-		      return -ENOMEM;
-	      }
+	if ((file->f_flags & O_ACCMODE) == O_RDONLY) {
+		void *mem = vmalloc(DVR_BUFFER_SIZE);
+		if (!mem) {
+			mutex_unlock(&dmxdev->mutex);
+			return -ENOMEM;
+		}
+		dvb_ringbuffer_init(&dmxdev->dvr_buffer, mem, DVR_BUFFER_SIZE);
 	}
 
-	if ((file->f_flags&O_ACCMODE)==O_WRONLY) {
-		dmxdev->dvr_orig_fe=dmxdev->demux->frontend;
+	if ((file->f_flags & O_ACCMODE) == O_WRONLY) {
+		dmxdev->dvr_orig_fe = dmxdev->demux->frontend;
 
 		if (!dmxdev->demux->write) {
-			up(&dmxdev->mutex);
+			mutex_unlock(&dmxdev->mutex);
 			return -EOPNOTSUPP;
 		}
 
-		front=get_fe(dmxdev->demux, DMX_MEMORY_FE);
+		front = get_fe(dmxdev->demux, DMX_MEMORY_FE);
 
 		if (!front) {
-			up(&dmxdev->mutex);
+			mutex_unlock(&dmxdev->mutex);
 			return -EINVAL;
 		}
 		dmxdev->demux->disconnect_frontend(dmxdev->demux);
 		dmxdev->demux->connect_frontend(dmxdev->demux, front);
 	}
-	up(&dmxdev->mutex);
+	mutex_unlock(&dmxdev->mutex);
 	return 0;
 }
 
@@ -221,30 +175,30 @@ static int dvb_dvr_release(struct inode *inode, struct file *file)
 	struct dvb_device *dvbdev = file->private_data;
 	struct dmxdev *dmxdev = dvbdev->priv;
 
-	if (down_interruptible (&dmxdev->mutex))
+	if (mutex_lock_interruptible(&dmxdev->mutex))
 		return -ERESTARTSYS;
 
-	if ((file->f_flags&O_ACCMODE)==O_WRONLY) {
+	if ((file->f_flags & O_ACCMODE) == O_WRONLY) {
 		dmxdev->demux->disconnect_frontend(dmxdev->demux);
 		dmxdev->demux->connect_frontend(dmxdev->demux,
 						dmxdev->dvr_orig_fe);
 	}
-	if ((file->f_flags&O_ACCMODE)==O_RDONLY) {
+	if ((file->f_flags & O_ACCMODE) == O_RDONLY) {
 		if (dmxdev->dvr_buffer.data) {
-			void *mem=dmxdev->dvr_buffer.data;
+			void *mem = dmxdev->dvr_buffer.data;
 			mb();
 			spin_lock_irq(&dmxdev->lock);
-			dmxdev->dvr_buffer.data=NULL;
+			dmxdev->dvr_buffer.data = NULL;
 			spin_unlock_irq(&dmxdev->lock);
 			vfree(mem);
 		}
 	}
-	up(&dmxdev->mutex);
+	mutex_unlock(&dmxdev->mutex);
 	return 0;
 }
 
 static ssize_t dvb_dvr_write(struct file *file, const char __user *buf,
-		size_t count, loff_t *ppos)
+			     size_t count, loff_t *ppos)
 {
 	struct dvb_device *dvbdev = file->private_data;
 	struct dmxdev *dmxdev = dvbdev->priv;
@@ -252,60 +206,62 @@ static ssize_t dvb_dvr_write(struct file *file, const char __user *buf,
 
 	if (!dmxdev->demux->write)
 		return -EOPNOTSUPP;
-	if ((file->f_flags&O_ACCMODE)!=O_WRONLY)
+	if ((file->f_flags & O_ACCMODE) != O_WRONLY)
 		return -EINVAL;
-	if (down_interruptible (&dmxdev->mutex))
+	if (mutex_lock_interruptible(&dmxdev->mutex))
 		return -ERESTARTSYS;
-	ret=dmxdev->demux->write(dmxdev->demux, buf, count);
-	up(&dmxdev->mutex);
+	ret = dmxdev->demux->write(dmxdev->demux, buf, count);
+	mutex_unlock(&dmxdev->mutex);
 	return ret;
 }
 
 static ssize_t dvb_dvr_read(struct file *file, char __user *buf, size_t count,
-		loff_t *ppos)
+			    loff_t *ppos)
 {
 	struct dvb_device *dvbdev = file->private_data;
 	struct dmxdev *dmxdev = dvbdev->priv;
 	int ret;
 
-	//down(&dmxdev->mutex);
-	ret= dvb_dmxdev_buffer_read(&dmxdev->dvr_buffer,
-			      file->f_flags&O_NONBLOCK,
-			      buf, count, ppos);
-	//up(&dmxdev->mutex);
+	//mutex_lock(&dmxdev->mutex);
+	ret = dvb_dmxdev_buffer_read(&dmxdev->dvr_buffer,
+				     file->f_flags & O_NONBLOCK,
+				     buf, count, ppos);
+	//mutex_unlock(&dmxdev->mutex);
 	return ret;
 }
 
-static inline void dvb_dmxdev_filter_state_set(struct dmxdev_filter *dmxdevfilter, int state)
+static inline void dvb_dmxdev_filter_state_set(struct dmxdev_filter
+					       *dmxdevfilter, int state)
 {
 	spin_lock_irq(&dmxdevfilter->dev->lock);
-	dmxdevfilter->state=state;
+	dmxdevfilter->state = state;
 	spin_unlock_irq(&dmxdevfilter->dev->lock);
 }
 
-static int dvb_dmxdev_set_buffer_size(struct dmxdev_filter *dmxdevfilter, unsigned long size)
+static int dvb_dmxdev_set_buffer_size(struct dmxdev_filter *dmxdevfilter,
+				      unsigned long size)
 {
-	struct dmxdev_buffer *buf=&dmxdevfilter->buffer;
+	struct dvb_ringbuffer *buf = &dmxdevfilter->buffer;
 	void *mem;
 
-	if (buf->size==size)
+	if (buf->size == size)
 		return 0;
-	if (dmxdevfilter->state>=DMXDEV_STATE_GO)
+	if (dmxdevfilter->state >= DMXDEV_STATE_GO)
 		return -EBUSY;
 	spin_lock_irq(&dmxdevfilter->dev->lock);
-	mem=buf->data;
-	buf->data=NULL;
-	buf->size=size;
-	buf->pwrite=buf->pread=0;
+	mem = buf->data;
+	buf->data = NULL;
+	buf->size = size;
+	dvb_ringbuffer_flush(buf);
 	spin_unlock_irq(&dmxdevfilter->dev->lock);
 	vfree(mem);
 
 	if (buf->size) {
-		mem=vmalloc(dmxdevfilter->buffer.size);
+		mem = vmalloc(dmxdevfilter->buffer.size);
 		if (!mem)
 			return -ENOMEM;
 		spin_lock_irq(&dmxdevfilter->dev->lock);
-		buf->data=mem;
+		buf->data = mem;
 		spin_unlock_irq(&dmxdevfilter->dev->lock);
 	}
 	return 0;
@@ -313,31 +269,33 @@ static int dvb_dmxdev_set_buffer_size(struct dmxdev_filter *dmxdevfilter, unsign
 
 static void dvb_dmxdev_filter_timeout(unsigned long data)
 {
-	struct dmxdev_filter *dmxdevfilter=(struct dmxdev_filter *)data;
+	struct dmxdev_filter *dmxdevfilter = (struct dmxdev_filter *)data;
 
-	dmxdevfilter->buffer.error=-ETIMEDOUT;
+	dmxdevfilter->buffer.error = -ETIMEDOUT;
 	spin_lock_irq(&dmxdevfilter->dev->lock);
-	dmxdevfilter->state=DMXDEV_STATE_TIMEDOUT;
+	dmxdevfilter->state = DMXDEV_STATE_TIMEDOUT;
 	spin_unlock_irq(&dmxdevfilter->dev->lock);
 	wake_up(&dmxdevfilter->buffer.queue);
 }
 
 static void dvb_dmxdev_filter_timer(struct dmxdev_filter *dmxdevfilter)
 {
-	struct dmx_sct_filter_params *para=&dmxdevfilter->params.sec;
+	struct dmx_sct_filter_params *para = &dmxdevfilter->params.sec;
 
 	del_timer(&dmxdevfilter->timer);
 	if (para->timeout) {
-		dmxdevfilter->timer.function=dvb_dmxdev_filter_timeout;
-		dmxdevfilter->timer.data=(unsigned long) dmxdevfilter;
-		dmxdevfilter->timer.expires=jiffies+1+(HZ/2+HZ*para->timeout)/1000;
+		dmxdevfilter->timer.function = dvb_dmxdev_filter_timeout;
+		dmxdevfilter->timer.data = (unsigned long)dmxdevfilter;
+		dmxdevfilter->timer.expires =
+		    jiffies + 1 + (HZ / 2 + HZ * para->timeout) / 1000;
 		add_timer(&dmxdevfilter->timer);
 	}
 }
 
 static int dvb_dmxdev_section_callback(const u8 *buffer1, size_t buffer1_len,
-			    const u8 *buffer2, size_t buffer2_len,
-			    struct dmx_section_filter *filter, enum dmx_success success)
+				       const u8 *buffer2, size_t buffer2_len,
+				       struct dmx_section_filter *filter,
+				       enum dmx_success success)
 {
 	struct dmxdev_filter *dmxdevfilter = filter->priv;
 	int ret;
@@ -347,68 +305,68 @@ static int dvb_dmxdev_section_callback(const u8 *buffer1, size_t buffer1_len,
 		return 0;
 	}
 	spin_lock(&dmxdevfilter->dev->lock);
-	if (dmxdevfilter->state!=DMXDEV_STATE_GO) {
+	if (dmxdevfilter->state != DMXDEV_STATE_GO) {
 		spin_unlock(&dmxdevfilter->dev->lock);
 		return 0;
 	}
 	del_timer(&dmxdevfilter->timer);
 	dprintk("dmxdev: section callback %02x %02x %02x %02x %02x %02x\n",
 		buffer1[0], buffer1[1],
-		buffer1[2], buffer1[3],
-		buffer1[4], buffer1[5]);
-	ret=dvb_dmxdev_buffer_write(&dmxdevfilter->buffer, buffer1, buffer1_len);
-	if (ret==buffer1_len) {
-		ret=dvb_dmxdev_buffer_write(&dmxdevfilter->buffer, buffer2, buffer2_len);
+		buffer1[2], buffer1[3], buffer1[4], buffer1[5]);
+	ret = dvb_dmxdev_buffer_write(&dmxdevfilter->buffer, buffer1,
+				      buffer1_len);
+	if (ret == buffer1_len) {
+		ret = dvb_dmxdev_buffer_write(&dmxdevfilter->buffer, buffer2,
+					      buffer2_len);
 	}
-	if (ret<0) {
-		dmxdevfilter->buffer.pwrite=dmxdevfilter->buffer.pread;
-		dmxdevfilter->buffer.error=-EOVERFLOW;
+	if (ret < 0) {
+		dvb_ringbuffer_flush(&dmxdevfilter->buffer);
+		dmxdevfilter->buffer.error = ret;
 	}
-	if (dmxdevfilter->params.sec.flags&DMX_ONESHOT)
-		dmxdevfilter->state=DMXDEV_STATE_DONE;
+	if (dmxdevfilter->params.sec.flags & DMX_ONESHOT)
+		dmxdevfilter->state = DMXDEV_STATE_DONE;
 	spin_unlock(&dmxdevfilter->dev->lock);
 	wake_up(&dmxdevfilter->buffer.queue);
 	return 0;
 }
 
 static int dvb_dmxdev_ts_callback(const u8 *buffer1, size_t buffer1_len,
-		       const u8 *buffer2, size_t buffer2_len,
-		       struct dmx_ts_feed *feed, enum dmx_success success)
+				  const u8 *buffer2, size_t buffer2_len,
+				  struct dmx_ts_feed *feed,
+				  enum dmx_success success)
 {
 	struct dmxdev_filter *dmxdevfilter = feed->priv;
-	struct dmxdev_buffer *buffer;
+	struct dvb_ringbuffer *buffer;
 	int ret;
 
 	spin_lock(&dmxdevfilter->dev->lock);
-	if (dmxdevfilter->params.pes.output==DMX_OUT_DECODER) {
+	if (dmxdevfilter->params.pes.output == DMX_OUT_DECODER) {
 		spin_unlock(&dmxdevfilter->dev->lock);
 		return 0;
 	}
 
-	if (dmxdevfilter->params.pes.output==DMX_OUT_TAP)
-		buffer=&dmxdevfilter->buffer;
+	if (dmxdevfilter->params.pes.output == DMX_OUT_TAP)
+		buffer = &dmxdevfilter->buffer;
 	else
-		buffer=&dmxdevfilter->dev->dvr_buffer;
+		buffer = &dmxdevfilter->dev->dvr_buffer;
 	if (buffer->error) {
 		spin_unlock(&dmxdevfilter->dev->lock);
 		wake_up(&buffer->queue);
 		return 0;
 	}
-	ret=dvb_dmxdev_buffer_write(buffer, buffer1, buffer1_len);
-	if (ret==buffer1_len)
-		ret=dvb_dmxdev_buffer_write(buffer, buffer2, buffer2_len);
-	if (ret<0) {
-		buffer->pwrite=buffer->pread;
-		buffer->error=-EOVERFLOW;
+	ret = dvb_dmxdev_buffer_write(buffer, buffer1, buffer1_len);
+	if (ret == buffer1_len)
+		ret = dvb_dmxdev_buffer_write(buffer, buffer2, buffer2_len);
+	if (ret < 0) {
+		dvb_ringbuffer_flush(buffer);
+		buffer->error = ret;
 	}
 	spin_unlock(&dmxdevfilter->dev->lock);
 	wake_up(&buffer->queue);
 	return 0;
 }
 
-
 /* stop feed but only mark the specified filter as stopped (state set) */
-
 static int dvb_dmxdev_feed_stop(struct dmxdev_filter *dmxdevfilter)
 {
 	dvb_dmxdev_filter_state_set(dmxdevfilter, DMXDEV_STATE_SET);
@@ -427,20 +385,16 @@ static int dvb_dmxdev_feed_stop(struct dmxdev_filter *dmxdevfilter)
 	return 0;
 }
 
-
 /* start feed associated with the specified filter */
-
 static int dvb_dmxdev_feed_start(struct dmxdev_filter *filter)
 {
-	dvb_dmxdev_filter_state_set (filter, DMXDEV_STATE_GO);
+	dvb_dmxdev_filter_state_set(filter, DMXDEV_STATE_GO);
 
 	switch (filter->type) {
 	case DMXDEV_TYPE_SEC:
 		return filter->feed.sec->start_filtering(filter->feed.sec);
-		break;
 	case DMXDEV_TYPE_PES:
 		return filter->feed.ts->start_filtering(filter->feed.ts);
-		break;
 	default:
 		return -EINVAL;
 	}
@@ -448,32 +402,31 @@ static int dvb_dmxdev_feed_start(struct dmxdev_filter *filter)
 	return 0;
 }
 
-
 /* restart section feed if it has filters left associated with it,
    otherwise release the feed */
-
 static int dvb_dmxdev_feed_restart(struct dmxdev_filter *filter)
 {
 	int i;
 	struct dmxdev *dmxdev = filter->dev;
 	u16 pid = filter->params.sec.pid;
 
-	for (i=0; i<dmxdev->filternum; i++)
-		if (dmxdev->filter[i].state>=DMXDEV_STATE_GO &&
-		    dmxdev->filter[i].type==DMXDEV_TYPE_SEC &&
-		    dmxdev->filter[i].pid==pid) {
+	for (i = 0; i < dmxdev->filternum; i++)
+		if (dmxdev->filter[i].state >= DMXDEV_STATE_GO &&
+		    dmxdev->filter[i].type == DMXDEV_TYPE_SEC &&
+		    dmxdev->filter[i].params.sec.pid == pid) {
 			dvb_dmxdev_feed_start(&dmxdev->filter[i]);
 			return 0;
 		}
 
-	filter->dev->demux->release_section_feed(dmxdev->demux, filter->feed.sec);
+	filter->dev->demux->release_section_feed(dmxdev->demux,
+						 filter->feed.sec);
 
 	return 0;
 }
 
 static int dvb_dmxdev_filter_stop(struct dmxdev_filter *dmxdevfilter)
 {
-	if (dmxdevfilter->state<DMXDEV_STATE_GO)
+	if (dmxdevfilter->state < DMXDEV_STATE_GO)
 		return 0;
 
 	switch (dmxdevfilter->type) {
@@ -483,36 +436,36 @@ static int dvb_dmxdev_filter_stop(struct dmxdev_filter *dmxdevfilter)
 		dvb_dmxdev_feed_stop(dmxdevfilter);
 		if (dmxdevfilter->filter.sec)
 			dmxdevfilter->feed.sec->
-				release_filter(dmxdevfilter->feed.sec,
-					       dmxdevfilter->filter.sec);
+			    release_filter(dmxdevfilter->feed.sec,
+					   dmxdevfilter->filter.sec);
 		dvb_dmxdev_feed_restart(dmxdevfilter);
-		dmxdevfilter->feed.sec=NULL;
+		dmxdevfilter->feed.sec = NULL;
 		break;
 	case DMXDEV_TYPE_PES:
 		if (!dmxdevfilter->feed.ts)
 			break;
 		dvb_dmxdev_feed_stop(dmxdevfilter);
 		dmxdevfilter->dev->demux->
-			release_ts_feed(dmxdevfilter->dev->demux,
-					dmxdevfilter->feed.ts);
-		dmxdevfilter->feed.ts=NULL;
+		    release_ts_feed(dmxdevfilter->dev->demux,
+				    dmxdevfilter->feed.ts);
+		dmxdevfilter->feed.ts = NULL;
 		break;
 	default:
-		if (dmxdevfilter->state==DMXDEV_STATE_ALLOCATED)
+		if (dmxdevfilter->state == DMXDEV_STATE_ALLOCATED)
 			return 0;
 		return -EINVAL;
 	}
-	dmxdevfilter->buffer.pwrite=dmxdevfilter->buffer.pread=0;
+
+	dvb_ringbuffer_flush(&dmxdevfilter->buffer);
 	return 0;
 }
 
 static inline int dvb_dmxdev_filter_reset(struct dmxdev_filter *dmxdevfilter)
 {
-	if (dmxdevfilter->state<DMXDEV_STATE_SET)
+	if (dmxdevfilter->state < DMXDEV_STATE_SET)
 		return 0;
 
-	dmxdevfilter->type=DMXDEV_TYPE_NONE;
-	dmxdevfilter->pid=0xffff;
+	dmxdevfilter->type = DMXDEV_TYPE_NONE;
 	dvb_dmxdev_filter_state_set(dmxdevfilter, DMXDEV_STATE_ALLOCATED);
 	return 0;
 }
@@ -529,32 +482,33 @@ static int dvb_dmxdev_filter_start(struct dmxdev_filter *filter)
 	if (filter->state >= DMXDEV_STATE_GO)
 		dvb_dmxdev_filter_stop(filter);
 
-	if (!(mem = filter->buffer.data)) {
+	if (!filter->buffer.data) {
 		mem = vmalloc(filter->buffer.size);
+		if (!mem)
+			return -ENOMEM;
 		spin_lock_irq(&filter->dev->lock);
-		filter->buffer.data=mem;
+		filter->buffer.data = mem;
 		spin_unlock_irq(&filter->dev->lock);
-		if (!filter->buffer.data)
-			return -ENOMEM;
 	}
 
-	filter->buffer.pwrite = filter->buffer.pread = 0;
+	dvb_ringbuffer_flush(&filter->buffer);
 
 	switch (filter->type) {
 	case DMXDEV_TYPE_SEC:
 	{
-		struct dmx_sct_filter_params *para=&filter->params.sec;
-		struct dmx_section_filter **secfilter=&filter->filter.sec;
-		struct dmx_section_feed **secfeed=&filter->feed.sec;
+		struct dmx_sct_filter_params *para = &filter->params.sec;
+		struct dmx_section_filter **secfilter = &filter->filter.sec;
+		struct dmx_section_feed **secfeed = &filter->feed.sec;
+
+		*secfilter = NULL;
+		*secfeed = NULL;
 
-		*secfilter=NULL;
-		*secfeed=NULL;
 
 		/* find active filter/feed with same PID */
-		for (i=0; i<dmxdev->filternum; i++) {
+		for (i = 0; i < dmxdev->filternum; i++) {
 			if (dmxdev->filter[i].state >= DMXDEV_STATE_GO &&
-			    dmxdev->filter[i].pid == para->pid &&
-			    dmxdev->filter[i].type == DMXDEV_TYPE_SEC) {
+			    dmxdev->filter[i].type == DMXDEV_TYPE_SEC &&
+			    dmxdev->filter[i].params.sec.pid == para->pid) {
 				*secfeed = dmxdev->filter[i].feed.sec;
 				break;
 			}
@@ -562,21 +516,20 @@ static int dvb_dmxdev_filter_start(struct dmxdev_filter *filter)
 
 		/* if no feed found, try to allocate new one */
 		if (!*secfeed) {
-			ret=dmxdev->demux->allocate_section_feed(dmxdev->demux,
-								 secfeed,
-						   dvb_dmxdev_section_callback);
-			if (ret<0) {
-				printk ("DVB (%s): could not alloc feed\n",
-					__FUNCTION__);
+			ret = dmxdev->demux->allocate_section_feed(dmxdev->demux,
+								   secfeed,
+								   dvb_dmxdev_section_callback);
+			if (ret < 0) {
+				printk("DVB (%s): could not alloc feed\n",
+				       __FUNCTION__);
 				return ret;
 			}
 
-			ret=(*secfeed)->set(*secfeed, para->pid, 32768,
-					    (para->flags & DMX_CHECK_CRC) ? 1 : 0);
-
-			if (ret<0) {
-				printk ("DVB (%s): could not set feed\n",
-					__FUNCTION__);
+			ret = (*secfeed)->set(*secfeed, para->pid, 32768,
+					      (para->flags & DMX_CHECK_CRC) ? 1 : 0);
+			if (ret < 0) {
+				printk("DVB (%s): could not set feed\n",
+				       __FUNCTION__);
 				dvb_dmxdev_feed_restart(filter);
 				return ret;
 			}
@@ -584,41 +537,38 @@ static int dvb_dmxdev_filter_start(struct dmxdev_filter *filter)
 			dvb_dmxdev_feed_stop(filter);
 		}
 
-		ret=(*secfeed)->allocate_filter(*secfeed, secfilter);
-
+		ret = (*secfeed)->allocate_filter(*secfeed, secfilter);
 		if (ret < 0) {
 			dvb_dmxdev_feed_restart(filter);
 			filter->feed.sec->start_filtering(*secfeed);
-			dprintk ("could not get filter\n");
+			dprintk("could not get filter\n");
 			return ret;
 		}
 
 		(*secfilter)->priv = filter;
 
 		memcpy(&((*secfilter)->filter_value[3]),
-		       &(para->filter.filter[1]), DMX_FILTER_SIZE-1);
+		       &(para->filter.filter[1]), DMX_FILTER_SIZE - 1);
 		memcpy(&(*secfilter)->filter_mask[3],
-		       &para->filter.mask[1], DMX_FILTER_SIZE-1);
+		       &para->filter.mask[1], DMX_FILTER_SIZE - 1);
 		memcpy(&(*secfilter)->filter_mode[3],
-		       &para->filter.mode[1], DMX_FILTER_SIZE-1);
+		       &para->filter.mode[1], DMX_FILTER_SIZE - 1);
 
-		(*secfilter)->filter_value[0]=para->filter.filter[0];
-		(*secfilter)->filter_mask[0]=para->filter.mask[0];
-		(*secfilter)->filter_mode[0]=para->filter.mode[0];
-		(*secfilter)->filter_mask[1]=0;
-		(*secfilter)->filter_mask[2]=0;
+		(*secfilter)->filter_value[0] = para->filter.filter[0];
+		(*secfilter)->filter_mask[0] = para->filter.mask[0];
+		(*secfilter)->filter_mode[0] = para->filter.mode[0];
+		(*secfilter)->filter_mask[1] = 0;
+		(*secfilter)->filter_mask[2] = 0;
 
 		filter->todo = 0;
 
-		ret = filter->feed.sec->start_filtering (filter->feed.sec);
-
+		ret = filter->feed.sec->start_filtering(filter->feed.sec);
 		if (ret < 0)
 			return ret;
 
 		dvb_dmxdev_filter_timer(filter);
 		break;
 	}
-
 	case DMXDEV_TYPE_PES:
 	{
 		struct timespec timeout = { 0 };
@@ -630,41 +580,41 @@ static int dvb_dmxdev_filter_start(struct dmxdev_filter *filter)
 		struct dmx_ts_feed **tsfeed = &filter->feed.ts;
 
 		filter->feed.ts = NULL;
-		otype=para->output;
+		otype = para->output;
 
-		ts_pes=(enum dmx_ts_pes) para->pes_type;
+		ts_pes = (enum dmx_ts_pes)para->pes_type;
 
-		if (ts_pes<DMX_PES_OTHER)
-			ts_type=TS_DECODER;
+		if (ts_pes < DMX_PES_OTHER)
+			ts_type = TS_DECODER;
 		else
-			ts_type=0;
+			ts_type = 0;
 
 		if (otype == DMX_OUT_TS_TAP)
 			ts_type |= TS_PACKET;
 
 		if (otype == DMX_OUT_TAP)
-			ts_type |= TS_PAYLOAD_ONLY|TS_PACKET;
+			ts_type |= TS_PAYLOAD_ONLY | TS_PACKET;
 
-		ret=dmxdev->demux->allocate_ts_feed(dmxdev->demux,
-						    tsfeed,
-						    dvb_dmxdev_ts_callback);
-		if (ret<0)
+		ret = dmxdev->demux->allocate_ts_feed(dmxdev->demux,
+						      tsfeed,
+						      dvb_dmxdev_ts_callback);
+		if (ret < 0)
 			return ret;
 
-		(*tsfeed)->priv = (void *) filter;
+		(*tsfeed)->priv = filter;
 
 		ret = (*tsfeed)->set(*tsfeed, para->pid, ts_type, ts_pes,
 				     32768, timeout);
-
 		if (ret < 0) {
-			dmxdev->demux->release_ts_feed(dmxdev->demux, *tsfeed);
+			dmxdev->demux->release_ts_feed(dmxdev->demux,
+						       *tsfeed);
 			return ret;
 		}
 
 		ret = filter->feed.ts->start_filtering(filter->feed.ts);
-
 		if (ret < 0) {
-			dmxdev->demux->release_ts_feed(dmxdev->demux, *tsfeed);
+			dmxdev->demux->release_ts_feed(dmxdev->demux,
+						       *tsfeed);
 			return ret;
 		}
 
@@ -688,41 +638,40 @@ static int dvb_demux_open(struct inode *inode, struct file *file)
 	if (!dmxdev->filter)
 		return -EINVAL;
 
-	if (down_interruptible(&dmxdev->mutex))
+	if (mutex_lock_interruptible(&dmxdev->mutex))
 		return -ERESTARTSYS;
 
-	for (i=0; i<dmxdev->filternum; i++)
-		if (dmxdev->filter[i].state==DMXDEV_STATE_FREE)
+	for (i = 0; i < dmxdev->filternum; i++)
+		if (dmxdev->filter[i].state == DMXDEV_STATE_FREE)
 			break;
 
-	if (i==dmxdev->filternum) {
-		up(&dmxdev->mutex);
+	if (i == dmxdev->filternum) {
+		mutex_unlock(&dmxdev->mutex);
 		return -EMFILE;
 	}
 
-	dmxdevfilter=&dmxdev->filter[i];
-	sema_init(&dmxdevfilter->mutex, 1);
-	dmxdevfilter->dvbdev=dmxdev->dvbdev;
-	file->private_data=dmxdevfilter;
+	dmxdevfilter = &dmxdev->filter[i];
+	mutex_init(&dmxdevfilter->mutex);
+	file->private_data = dmxdevfilter;
 
-	dvb_dmxdev_buffer_init(&dmxdevfilter->buffer);
-	dmxdevfilter->type=DMXDEV_TYPE_NONE;
+	dvb_ringbuffer_init(&dmxdevfilter->buffer, NULL, 8192);
+	dmxdevfilter->type = DMXDEV_TYPE_NONE;
 	dvb_dmxdev_filter_state_set(dmxdevfilter, DMXDEV_STATE_ALLOCATED);
-	dmxdevfilter->feed.ts=NULL;
+	dmxdevfilter->feed.ts = NULL;
 	init_timer(&dmxdevfilter->timer);
 
-	up(&dmxdev->mutex);
+	mutex_unlock(&dmxdev->mutex);
 	return 0;
 }
 
-
-static int dvb_dmxdev_filter_free(struct dmxdev *dmxdev, struct dmxdev_filter *dmxdevfilter)
+static int dvb_dmxdev_filter_free(struct dmxdev *dmxdev,
+				  struct dmxdev_filter *dmxdevfilter)
 {
-	if (down_interruptible(&dmxdev->mutex))
+	if (mutex_lock_interruptible(&dmxdev->mutex))
 		return -ERESTARTSYS;
 
-	if (down_interruptible(&dmxdevfilter->mutex)) {
-		up(&dmxdev->mutex);
+	if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {
+		mutex_unlock(&dmxdev->mutex);
 		return -ERESTARTSYS;
 	}
 
@@ -730,18 +679,18 @@ static int dvb_dmxdev_filter_free(struct dmxdev *dmxdev, struct dmxdev_filter *d
 	dvb_dmxdev_filter_reset(dmxdevfilter);
 
 	if (dmxdevfilter->buffer.data) {
-		void *mem=dmxdevfilter->buffer.data;
+		void *mem = dmxdevfilter->buffer.data;
 
 		spin_lock_irq(&dmxdev->lock);
-		dmxdevfilter->buffer.data=NULL;
+		dmxdevfilter->buffer.data = NULL;
 		spin_unlock_irq(&dmxdev->lock);
 		vfree(mem);
 	}
 
 	dvb_dmxdev_filter_state_set(dmxdevfilter, DMXDEV_STATE_FREE);
 	wake_up(&dmxdevfilter->buffer.queue);
-	up(&dmxdevfilter->mutex);
-	up(&dmxdev->mutex);
+	mutex_unlock(&dmxdevfilter->mutex);
+	mutex_unlock(&dmxdev->mutex);
 	return 0;
 }
 
@@ -749,173 +698,171 @@ static inline void invert_mode(dmx_filter_t *filter)
 {
 	int i;
 
-	for (i=0; i<DMX_FILTER_SIZE; i++)
-		filter->mode[i]^=0xff;
+	for (i = 0; i < DMX_FILTER_SIZE; i++)
+		filter->mode[i] ^= 0xff;
 }
 
-
 static int dvb_dmxdev_filter_set(struct dmxdev *dmxdev,
-		struct dmxdev_filter *dmxdevfilter,
-		struct dmx_sct_filter_params *params)
+				 struct dmxdev_filter *dmxdevfilter,
+				 struct dmx_sct_filter_params *params)
 {
-	dprintk ("function : %s\n", __FUNCTION__);
+	dprintk("function : %s\n", __FUNCTION__);
 
 	dvb_dmxdev_filter_stop(dmxdevfilter);
 
-	dmxdevfilter->type=DMXDEV_TYPE_SEC;
-	dmxdevfilter->pid=params->pid;
+	dmxdevfilter->type = DMXDEV_TYPE_SEC;
 	memcpy(&dmxdevfilter->params.sec,
 	       params, sizeof(struct dmx_sct_filter_params));
 	invert_mode(&dmxdevfilter->params.sec.filter);
 	dvb_dmxdev_filter_state_set(dmxdevfilter, DMXDEV_STATE_SET);
 
-	if (params->flags&DMX_IMMEDIATE_START)
+	if (params->flags & DMX_IMMEDIATE_START)
 		return dvb_dmxdev_filter_start(dmxdevfilter);
 
 	return 0;
 }
 
 static int dvb_dmxdev_pes_filter_set(struct dmxdev *dmxdev,
-		   struct dmxdev_filter *dmxdevfilter,
-		   struct dmx_pes_filter_params *params)
+				     struct dmxdev_filter *dmxdevfilter,
+				     struct dmx_pes_filter_params *params)
 {
 	dvb_dmxdev_filter_stop(dmxdevfilter);
 
-	if (params->pes_type>DMX_PES_OTHER || params->pes_type<0)
+	if (params->pes_type > DMX_PES_OTHER || params->pes_type < 0)
 		return -EINVAL;
 
-	dmxdevfilter->type=DMXDEV_TYPE_PES;
-	dmxdevfilter->pid=params->pid;
-	memcpy(&dmxdevfilter->params, params, sizeof(struct dmx_pes_filter_params));
+	dmxdevfilter->type = DMXDEV_TYPE_PES;
+	memcpy(&dmxdevfilter->params, params,
+	       sizeof(struct dmx_pes_filter_params));
 
 	dvb_dmxdev_filter_state_set(dmxdevfilter, DMXDEV_STATE_SET);
 
-	if (params->flags&DMX_IMMEDIATE_START)
+	if (params->flags & DMX_IMMEDIATE_START)
 		return dvb_dmxdev_filter_start(dmxdevfilter);
 
 	return 0;
 }
 
 static ssize_t dvb_dmxdev_read_sec(struct dmxdev_filter *dfil,
-		struct file *file, char __user *buf, size_t count, loff_t *ppos)
+				   struct file *file, char __user *buf,
+				   size_t count, loff_t *ppos)
 {
 	int result, hcount;
-	int done=0;
-
-	if (dfil->todo<=0) {
-		hcount=3+dfil->todo;
-		if (hcount>count)
-			hcount=count;
-		result=dvb_dmxdev_buffer_read(&dfil->buffer, file->f_flags&O_NONBLOCK,
-					buf, hcount, ppos);
-		if (result<0) {
-			dfil->todo=0;
+	int done = 0;
+
+	if (dfil->todo <= 0) {
+		hcount = 3 + dfil->todo;
+		if (hcount > count)
+			hcount = count;
+		result = dvb_dmxdev_buffer_read(&dfil->buffer,
+						file->f_flags & O_NONBLOCK,
+						buf, hcount, ppos);
+		if (result < 0) {
+			dfil->todo = 0;
 			return result;
 		}
-		if (copy_from_user(dfil->secheader-dfil->todo, buf, result))
+		if (copy_from_user(dfil->secheader - dfil->todo, buf, result))
 			return -EFAULT;
-		buf+=result;
-		done=result;
-		count-=result;
-		dfil->todo-=result;
-		if (dfil->todo>-3)
+		buf += result;
+		done = result;
+		count -= result;
+		dfil->todo -= result;
+		if (dfil->todo > -3)
 			return done;
-		dfil->todo=((dfil->secheader[1]<<8)|dfil->secheader[2])&0xfff;
+		dfil->todo = ((dfil->secheader[1] << 8) | dfil->secheader[2]) & 0xfff;
 		if (!count)
 			return done;
 	}
-	if (count>dfil->todo)
-		count=dfil->todo;
-	result=dvb_dmxdev_buffer_read(&dfil->buffer, file->f_flags&O_NONBLOCK,
-				buf, count, ppos);
-	if (result<0)
+	if (count > dfil->todo)
+		count = dfil->todo;
+	result = dvb_dmxdev_buffer_read(&dfil->buffer,
+					file->f_flags & O_NONBLOCK,
+					buf, count, ppos);
+	if (result < 0)
 		return result;
-	dfil->todo-=result;
-	return (result+done);
+	dfil->todo -= result;
+	return (result + done);
 }
 
-
 static ssize_t
-dvb_demux_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
+dvb_demux_read(struct file *file, char __user *buf, size_t count,
+	       loff_t *ppos)
 {
-	struct dmxdev_filter *dmxdevfilter= file->private_data;
-	int ret=0;
+	struct dmxdev_filter *dmxdevfilter = file->private_data;
+	int ret;
 
-	if (down_interruptible(&dmxdevfilter->mutex))
+	if (mutex_lock_interruptible(&dmxdevfilter->mutex))
 		return -ERESTARTSYS;
 
-	if (dmxdevfilter->type==DMXDEV_TYPE_SEC)
-		ret=dvb_dmxdev_read_sec(dmxdevfilter, file, buf, count, ppos);
+	if (dmxdevfilter->type == DMXDEV_TYPE_SEC)
+		ret = dvb_dmxdev_read_sec(dmxdevfilter, file, buf, count, ppos);
 	else
-		ret=dvb_dmxdev_buffer_read(&dmxdevfilter->buffer,
-				     file->f_flags&O_NONBLOCK,
-				     buf, count, ppos);
+		ret = dvb_dmxdev_buffer_read(&dmxdevfilter->buffer,
+					     file->f_flags & O_NONBLOCK,
+					     buf, count, ppos);
 
-	up(&dmxdevfilter->mutex);
+	mutex_unlock(&dmxdevfilter->mutex);
 	return ret;
 }
 
-
 static int dvb_demux_do_ioctl(struct inode *inode, struct file *file,
 			      unsigned int cmd, void *parg)
 {
 	struct dmxdev_filter *dmxdevfilter = file->private_data;
-	struct dmxdev *dmxdev=dmxdevfilter->dev;
-	unsigned long arg=(unsigned long) parg;
-	int ret=0;
+	struct dmxdev *dmxdev = dmxdevfilter->dev;
+	unsigned long arg = (unsigned long)parg;
+	int ret = 0;
 
-	if (down_interruptible (&dmxdev->mutex))
+	if (mutex_lock_interruptible(&dmxdev->mutex))
 		return -ERESTARTSYS;
 
 	switch (cmd) {
 	case DMX_START:
-		if (down_interruptible(&dmxdevfilter->mutex)) {
-			up(&dmxdev->mutex);
+		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {
+			mutex_unlock(&dmxdev->mutex);
 			return -ERESTARTSYS;
 		}
-		if (dmxdevfilter->state<DMXDEV_STATE_SET)
+		if (dmxdevfilter->state < DMXDEV_STATE_SET)
 			ret = -EINVAL;
 		else
 			ret = dvb_dmxdev_filter_start(dmxdevfilter);
-		up(&dmxdevfilter->mutex);
+		mutex_unlock(&dmxdevfilter->mutex);
 		break;
 
 	case DMX_STOP:
-		if (down_interruptible(&dmxdevfilter->mutex)) {
-			up(&dmxdev->mutex);
+		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {
+			mutex_unlock(&dmxdev->mutex);
 			return -ERESTARTSYS;
 		}
-		ret=dvb_dmxdev_filter_stop(dmxdevfilter);
-		up(&dmxdevfilter->mutex);
+		ret = dvb_dmxdev_filter_stop(dmxdevfilter);
+		mutex_unlock(&dmxdevfilter->mutex);
 		break;
 
 	case DMX_SET_FILTER:
-		if (down_interruptible(&dmxdevfilter->mutex)) {
-			up(&dmxdev->mutex);
+		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {
+			mutex_unlock(&dmxdev->mutex);
 			return -ERESTARTSYS;
 		}
-		ret = dvb_dmxdev_filter_set(dmxdev, dmxdevfilter,
-				    (struct dmx_sct_filter_params *)parg);
-		up(&dmxdevfilter->mutex);
+		ret = dvb_dmxdev_filter_set(dmxdev, dmxdevfilter, parg);
+		mutex_unlock(&dmxdevfilter->mutex);
 		break;
 
 	case DMX_SET_PES_FILTER:
-		if (down_interruptible(&dmxdevfilter->mutex)) {
-			up(&dmxdev->mutex);
+		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {
+			mutex_unlock(&dmxdev->mutex);
 			return -ERESTARTSYS;
 		}
-		ret=dvb_dmxdev_pes_filter_set(dmxdev, dmxdevfilter,
-					       (struct dmx_pes_filter_params *)parg);
-		up(&dmxdevfilter->mutex);
+		ret = dvb_dmxdev_pes_filter_set(dmxdev, dmxdevfilter, parg);
+		mutex_unlock(&dmxdevfilter->mutex);
 		break;
 
 	case DMX_SET_BUFFER_SIZE:
-		if (down_interruptible(&dmxdevfilter->mutex)) {
-			up(&dmxdev->mutex);
+		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {
+			mutex_unlock(&dmxdev->mutex);
 			return -ERESTARTSYS;
 		}
-		ret=dvb_dmxdev_set_buffer_size(dmxdevfilter, arg);
-		up(&dmxdevfilter->mutex);
+		ret = dvb_dmxdev_set_buffer_size(dmxdevfilter, arg);
+		mutex_unlock(&dmxdevfilter->mutex);
 		break;
 
 	case DMX_GET_EVENT:
@@ -923,10 +870,10 @@ static int dvb_demux_do_ioctl(struct inode *inode, struct file *file,
 
 	case DMX_GET_PES_PIDS:
 		if (!dmxdev->demux->get_pes_pids) {
-			ret=-EINVAL;
+			ret = -EINVAL;
 			break;
 		}
-		dmxdev->demux->get_pes_pids(dmxdev->demux, (u16 *)parg);
+		dmxdev->demux->get_pes_pids(dmxdev->demux, parg);
 		break;
 
 	case DMX_GET_CAPS:
@@ -947,19 +894,20 @@ static int dvb_demux_do_ioctl(struct inode *inode, struct file *file,
 
 	case DMX_GET_STC:
 		if (!dmxdev->demux->get_stc) {
-			ret=-EINVAL;
+			ret = -EINVAL;
 			break;
 		}
 		ret = dmxdev->demux->get_stc(dmxdev->demux,
-				((struct dmx_stc *)parg)->num,
-				&((struct dmx_stc *)parg)->stc,
-				&((struct dmx_stc *)parg)->base);
+					     ((struct dmx_stc *)parg)->num,
+					     &((struct dmx_stc *)parg)->stc,
+					     &((struct dmx_stc *)parg)->base);
 		break;
 
 	default:
-		ret=-EINVAL;
+		ret = -EINVAL;
+		break;
 	}
-	up(&dmxdev->mutex);
+	mutex_unlock(&dmxdev->mutex);
 	return ret;
 }
 
@@ -969,8 +917,7 @@ static int dvb_demux_ioctl(struct inode *inode, struct file *file,
 	return dvb_usercopy(inode, file, cmd, arg, dvb_demux_do_ioctl);
 }
 
-
-static unsigned int dvb_demux_poll (struct file *file, poll_table *wait)
+static unsigned int dvb_demux_poll(struct file *file, poll_table *wait)
 {
 	struct dmxdev_filter *dmxdevfilter = file->private_data;
 	unsigned int mask = 0;
@@ -988,13 +935,12 @@ static unsigned int dvb_demux_poll (struct file *file, poll_table *wait)
 	if (dmxdevfilter->buffer.error)
 		mask |= (POLLIN | POLLRDNORM | POLLPRI | POLLERR);
 
-	if (dmxdevfilter->buffer.pread != dmxdevfilter->buffer.pwrite)
+	if (!dvb_ringbuffer_empty(&dmxdevfilter->buffer))
 		mask |= (POLLIN | POLLRDNORM | POLLPRI);
 
 	return mask;
 }
 
-
 static int dvb_demux_release(struct inode *inode, struct file *file)
 {
 	struct dmxdev_filter *dmxdevfilter = file->private_data;
@@ -1003,72 +949,67 @@ static int dvb_demux_release(struct inode *inode, struct file *file)
 	return dvb_dmxdev_filter_free(dmxdev, dmxdevfilter);
 }
 
-
 static struct file_operations dvb_demux_fops = {
-	.owner		= THIS_MODULE,
-	.read		= dvb_demux_read,
-	.ioctl		= dvb_demux_ioctl,
-	.open		= dvb_demux_open,
-	.release	= dvb_demux_release,
-	.poll		= dvb_demux_poll,
+	.owner = THIS_MODULE,
+	.read = dvb_demux_read,
+	.ioctl = dvb_demux_ioctl,
+	.open = dvb_demux_open,
+	.release = dvb_demux_release,
+	.poll = dvb_demux_poll,
 };
 
-
 static struct dvb_device dvbdev_demux = {
-	.priv		= NULL,
-	.users		= 1,
-	.writers	= 1,
-	.fops		= &dvb_demux_fops
+	.priv = NULL,
+	.users = 1,
+	.writers = 1,
+	.fops = &dvb_demux_fops
 };
 
-
 static int dvb_dvr_do_ioctl(struct inode *inode, struct file *file,
-		     unsigned int cmd, void *parg)
+			    unsigned int cmd, void *parg)
 {
 	struct dvb_device *dvbdev = file->private_data;
 	struct dmxdev *dmxdev = dvbdev->priv;
+	int ret;
 
-	int ret=0;
-
-	if (down_interruptible (&dmxdev->mutex))
+	if (mutex_lock_interruptible(&dmxdev->mutex))
 		return -ERESTARTSYS;
 
 	switch (cmd) {
 	case DMX_SET_BUFFER_SIZE:
 		// FIXME: implement
-		ret=0;
+		ret = 0;
 		break;
 
 	default:
-		ret=-EINVAL;
+		ret = -EINVAL;
+		break;
 	}
-	up(&dmxdev->mutex);
+	mutex_unlock(&dmxdev->mutex);
 	return ret;
 }
 
-
 static int dvb_dvr_ioctl(struct inode *inode, struct file *file,
-		  unsigned int cmd, unsigned long arg)
+			 unsigned int cmd, unsigned long arg)
 {
 	return dvb_usercopy(inode, file, cmd, arg, dvb_dvr_do_ioctl);
 }
 
-
-static unsigned int dvb_dvr_poll (struct file *file, poll_table *wait)
+static unsigned int dvb_dvr_poll(struct file *file, poll_table *wait)
 {
 	struct dvb_device *dvbdev = file->private_data;
 	struct dmxdev *dmxdev = dvbdev->priv;
 	unsigned int mask = 0;
 
-	dprintk ("function : %s\n", __FUNCTION__);
+	dprintk("function : %s\n", __FUNCTION__);
 
 	poll_wait(file, &dmxdev->dvr_buffer.queue, wait);
 
-	if ((file->f_flags&O_ACCMODE) == O_RDONLY) {
+	if ((file->f_flags & O_ACCMODE) == O_RDONLY) {
 		if (dmxdev->dvr_buffer.error)
 			mask |= (POLLIN | POLLRDNORM | POLLPRI | POLLERR);
 
-		if (dmxdev->dvr_buffer.pread!=dmxdev->dvr_buffer.pwrite)
+		if (!dvb_ringbuffer_empty(&dmxdev->dvr_buffer))
 			mask |= (POLLIN | POLLRDNORM | POLLPRI);
 	} else
 		mask |= (POLLOUT | POLLWRNORM | POLLPRI);
@@ -1076,73 +1017,63 @@ static unsigned int dvb_dvr_poll (struct file *file, poll_table *wait)
 	return mask;
 }
 
-
 static struct file_operations dvb_dvr_fops = {
-	.owner		= THIS_MODULE,
-	.read		= dvb_dvr_read,
-	.write		= dvb_dvr_write,
-	.ioctl		= dvb_dvr_ioctl,
-	.open		= dvb_dvr_open,
-	.release	= dvb_dvr_release,
-	.poll		= dvb_dvr_poll,
+	.owner = THIS_MODULE,
+	.read = dvb_dvr_read,
+	.write = dvb_dvr_write,
+	.ioctl = dvb_dvr_ioctl,
+	.open = dvb_dvr_open,
+	.release = dvb_dvr_release,
+	.poll = dvb_dvr_poll,
 };
 
 static struct dvb_device dvbdev_dvr = {
-	.priv		= NULL,
-	.users		= 1,
-	.writers	= 1,
-	.fops		= &dvb_dvr_fops
+	.priv = NULL,
+	.users = 1,
+	.writers = 1,
+	.fops = &dvb_dvr_fops
 };
 
-int
-dvb_dmxdev_init(struct dmxdev *dmxdev, struct dvb_adapter *dvb_adapter)
+int dvb_dmxdev_init(struct dmxdev *dmxdev, struct dvb_adapter *dvb_adapter)
 {
 	int i;
 
 	if (dmxdev->demux->open(dmxdev->demux) < 0)
 		return -EUSERS;
 
-	dmxdev->filter = vmalloc(dmxdev->filternum*sizeof(struct dmxdev_filter));
+	dmxdev->filter = vmalloc(dmxdev->filternum * sizeof(struct dmxdev_filter));
 	if (!dmxdev->filter)
 		return -ENOMEM;
 
-	dmxdev->dvr = vmalloc(dmxdev->filternum*sizeof(struct dmxdev_dvr));
-	if (!dmxdev->dvr) {
-		vfree(dmxdev->filter);
-		dmxdev->filter = NULL;
-		return -ENOMEM;
-	}
-
-	sema_init(&dmxdev->mutex, 1);
+	mutex_init(&dmxdev->mutex);
 	spin_lock_init(&dmxdev->lock);
-	for (i=0; i<dmxdev->filternum; i++) {
-		dmxdev->filter[i].dev=dmxdev;
-		dmxdev->filter[i].buffer.data=NULL;
-		dvb_dmxdev_filter_state_set(&dmxdev->filter[i], DMXDEV_STATE_FREE);
-		dmxdev->dvr[i].dev=dmxdev;
-		dmxdev->dvr[i].buffer.data=NULL;
-		dvb_dmxdev_dvr_state_set(&dmxdev->dvr[i], DMXDEV_STATE_FREE);
+	for (i = 0; i < dmxdev->filternum; i++) {
+		dmxdev->filter[i].dev = dmxdev;
+		dmxdev->filter[i].buffer.data = NULL;
+		dvb_dmxdev_filter_state_set(&dmxdev->filter[i],
+					    DMXDEV_STATE_FREE);
 	}
 
-	dvb_register_device(dvb_adapter, &dmxdev->dvbdev, &dvbdev_demux, dmxdev, DVB_DEVICE_DEMUX);
-	dvb_register_device(dvb_adapter, &dmxdev->dvr_dvbdev, &dvbdev_dvr, dmxdev, DVB_DEVICE_DVR);
+	dvb_register_device(dvb_adapter, &dmxdev->dvbdev, &dvbdev_demux, dmxdev,
+			    DVB_DEVICE_DEMUX);
+	dvb_register_device(dvb_adapter, &dmxdev->dvr_dvbdev, &dvbdev_dvr,
+			    dmxdev, DVB_DEVICE_DVR);
 
-	dvb_dmxdev_buffer_init(&dmxdev->dvr_buffer);
+	dvb_ringbuffer_init(&dmxdev->dvr_buffer, NULL, 8192);
 
 	return 0;
 }
+
 EXPORT_SYMBOL(dvb_dmxdev_init);
 
-void
-dvb_dmxdev_release(struct dmxdev *dmxdev)
+void dvb_dmxdev_release(struct dmxdev *dmxdev)
 {
 	dvb_unregister_device(dmxdev->dvbdev);
 	dvb_unregister_device(dmxdev->dvr_dvbdev);
 
 	vfree(dmxdev->filter);
-	dmxdev->filter=NULL;
-	vfree(dmxdev->dvr);
-	dmxdev->dvr=NULL;
+	dmxdev->filter = NULL;
 	dmxdev->demux->close(dmxdev->demux);
 }
+
 EXPORT_SYMBOL(dvb_dmxdev_release);
diff --git a/drivers/media/dvb/dvb-core/dmxdev.h b/drivers/media/dvb/dvb-core/dmxdev.h
index fd72920c219..d2bee9ffe43 100644
--- a/drivers/media/dvb/dvb-core/dmxdev.h
+++ b/drivers/media/dvb/dvb-core/dmxdev.h
@@ -30,14 +30,15 @@
 #include <linux/wait.h>
 #include <linux/fs.h>
 #include <linux/string.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 
 #include <linux/dvb/dmx.h>
 
 #include "dvbdev.h"
 #include "demux.h"
+#include "dvb_ringbuffer.h"
 
-enum dmxdevype {
+enum dmxdev_type {
 	DMXDEV_TYPE_NONE,
 	DMXDEV_TYPE_SEC,
 	DMXDEV_TYPE_PES,
@@ -52,18 +53,7 @@ enum dmxdev_state {
 	DMXDEV_STATE_TIMEDOUT
 };
 
-struct dmxdev_buffer {
-	u8 *data;
-	int size;
-	int pread;
-	int pwrite;
-	wait_queue_head_t queue;
-	int error;
-};
-
 struct dmxdev_filter {
-	struct dvb_device *dvbdev;
-
 	union {
 		struct dmx_section_filter *sec;
 	} filter;
@@ -78,26 +68,17 @@ struct dmxdev_filter {
 		struct dmx_pes_filter_params pes;
 	} params;
 
-	int type;
+	enum dmxdev_type type;
 	enum dmxdev_state state;
 	struct dmxdev *dev;
-	struct dmxdev_buffer buffer;
+	struct dvb_ringbuffer buffer;
 
-	struct semaphore mutex;
+	struct mutex mutex;
 
 	/* only for sections */
 	struct timer_list timer;
 	int todo;
 	u8 secheader[3];
-
-	u16 pid;
-};
-
-
-struct dmxdev_dvr {
-	int state;
-	struct dmxdev *dev;
-	struct dmxdev_buffer buffer;
 };
 
 
@@ -106,7 +87,6 @@ struct dmxdev {
 	struct dvb_device *dvr_dvbdev;
 
 	struct dmxdev_filter *filter;
-	struct dmxdev_dvr *dvr;
 	struct dmx_demux *demux;
 
 	int filternum;
@@ -114,10 +94,10 @@ struct dmxdev {
 #define DMXDEV_CAP_DUPLEX 1
 	struct dmx_frontend *dvr_orig_fe;
 
-	struct dmxdev_buffer dvr_buffer;
+	struct dvb_ringbuffer dvr_buffer;
 #define DVR_BUFFER_SIZE (10*188*1024)
 
-	struct semaphore mutex;
+	struct mutex mutex;
 	spinlock_t lock;
 };
 
diff --git a/drivers/media/dvb/dvb-core/dvb_demux.c b/drivers/media/dvb/dvb-core/dvb_demux.c
index b4c899b1595..83ec5e06c48 100644
--- a/drivers/media/dvb/dvb-core/dvb_demux.c
+++ b/drivers/media/dvb/dvb-core/dvb_demux.c
@@ -589,18 +589,18 @@ static int dmx_ts_feed_set(struct dmx_ts_feed *ts_feed, u16 pid, int ts_type,
 	if (pid > DMX_MAX_PID)
 		return -EINVAL;
 
-	if (down_interruptible(&demux->mutex))
+	if (mutex_lock_interruptible(&demux->mutex))
 		return -ERESTARTSYS;
 
 	if (ts_type & TS_DECODER) {
 		if (pes_type >= DMX_TS_PES_OTHER) {
-			up(&demux->mutex);
+			mutex_unlock(&demux->mutex);
 			return -EINVAL;
 		}
 
 		if (demux->pesfilter[pes_type] &&
 		    demux->pesfilter[pes_type] != feed) {
-			up(&demux->mutex);
+			mutex_unlock(&demux->mutex);
 			return -EINVAL;
 		}
 
@@ -622,14 +622,14 @@ static int dmx_ts_feed_set(struct dmx_ts_feed *ts_feed, u16 pid, int ts_type,
 #else
 		feed->buffer = vmalloc(feed->buffer_size);
 		if (!feed->buffer) {
-			up(&demux->mutex);
+			mutex_unlock(&demux->mutex);
 			return -ENOMEM;
 		}
 #endif
 	}
 
 	feed->state = DMX_STATE_READY;
-	up(&demux->mutex);
+	mutex_unlock(&demux->mutex);
 
 	return 0;
 }
@@ -640,21 +640,21 @@ static int dmx_ts_feed_start_filtering(struct dmx_ts_feed *ts_feed)
 	struct dvb_demux *demux = feed->demux;
 	int ret;
 
-	if (down_interruptible(&demux->mutex))
+	if (mutex_lock_interruptible(&demux->mutex))
 		return -ERESTARTSYS;
 
 	if (feed->state != DMX_STATE_READY || feed->type != DMX_TYPE_TS) {
-		up(&demux->mutex);
+		mutex_unlock(&demux->mutex);
 		return -EINVAL;
 	}
 
 	if (!demux->start_feed) {
-		up(&demux->mutex);
+		mutex_unlock(&demux->mutex);
 		return -ENODEV;
 	}
 
 	if ((ret = demux->start_feed(feed)) < 0) {
-		up(&demux->mutex);
+		mutex_unlock(&demux->mutex);
 		return ret;
 	}
 
@@ -662,7 +662,7 @@ static int dmx_ts_feed_start_filtering(struct dmx_ts_feed *ts_feed)
 	ts_feed->is_filtering = 1;
 	feed->state = DMX_STATE_GO;
 	spin_unlock_irq(&demux->lock);
-	up(&demux->mutex);
+	mutex_unlock(&demux->mutex);
 
 	return 0;
 }
@@ -673,16 +673,16 @@ static int dmx_ts_feed_stop_filtering(struct dmx_ts_feed *ts_feed)
 	struct dvb_demux *demux = feed->demux;
 	int ret;
 
-	if (down_interruptible(&demux->mutex))
+	if (mutex_lock_interruptible(&demux->mutex))
 		return -ERESTARTSYS;
 
 	if (feed->state < DMX_STATE_GO) {
-		up(&demux->mutex);
+		mutex_unlock(&demux->mutex);
 		return -EINVAL;
 	}
 
 	if (!demux->stop_feed) {
-		up(&demux->mutex);
+		mutex_unlock(&demux->mutex);
 		return -ENODEV;
 	}
 
@@ -692,7 +692,7 @@ static int dmx_ts_feed_stop_filtering(struct dmx_ts_feed *ts_feed)
 	ts_feed->is_filtering = 0;
 	feed->state = DMX_STATE_ALLOCATED;
 	spin_unlock_irq(&demux->lock);
-	up(&demux->mutex);
+	mutex_unlock(&demux->mutex);
 
 	return ret;
 }
@@ -704,11 +704,11 @@ static int dvbdmx_allocate_ts_feed(struct dmx_demux *dmx,
 	struct dvb_demux *demux = (struct dvb_demux *)dmx;
 	struct dvb_demux_feed *feed;
 
-	if (down_interruptible(&demux->mutex))
+	if (mutex_lock_interruptible(&demux->mutex))
 		return -ERESTARTSYS;
 
 	if (!(feed = dvb_dmx_feed_alloc(demux))) {
-		up(&demux->mutex);
+		mutex_unlock(&demux->mutex);
 		return -EBUSY;
 	}
 
@@ -729,7 +729,7 @@ static int dvbdmx_allocate_ts_feed(struct dmx_demux *dmx,
 
 	if (!(feed->filter = dvb_dmx_filter_alloc(demux))) {
 		feed->state = DMX_STATE_FREE;
-		up(&demux->mutex);
+		mutex_unlock(&demux->mutex);
 		return -EBUSY;
 	}
 
@@ -737,7 +737,7 @@ static int dvbdmx_allocate_ts_feed(struct dmx_demux *dmx,
 	feed->filter->feed = feed;
 	feed->filter->state = DMX_STATE_READY;
 
-	up(&demux->mutex);
+	mutex_unlock(&demux->mutex);
 
 	return 0;
 }
@@ -748,11 +748,11 @@ static int dvbdmx_release_ts_feed(struct dmx_demux *dmx,
 	struct dvb_demux *demux = (struct dvb_demux *)dmx;
 	struct dvb_demux_feed *feed = (struct dvb_demux_feed *)ts_feed;
 
-	if (down_interruptible(&demux->mutex))
+	if (mutex_lock_interruptible(&demux->mutex))
 		return -ERESTARTSYS;
 
 	if (feed->state == DMX_STATE_FREE) {
-		up(&demux->mutex);
+		mutex_unlock(&demux->mutex);
 		return -EINVAL;
 	}
 #ifndef NOBUFS
@@ -770,7 +770,7 @@ static int dvbdmx_release_ts_feed(struct dmx_demux *dmx,
 	if (feed->ts_type & TS_DECODER && feed->pes_type < DMX_TS_PES_OTHER)
 		demux->pesfilter[feed->pes_type] = NULL;
 
-	up(&demux->mutex);
+	mutex_unlock(&demux->mutex);
 	return 0;
 }
 
@@ -785,12 +785,12 @@ static int dmx_section_feed_allocate_filter(struct dmx_section_feed *feed,
 	struct dvb_demux *dvbdemux = dvbdmxfeed->demux;
 	struct dvb_demux_filter *dvbdmxfilter;
 
-	if (down_interruptible(&dvbdemux->mutex))
+	if (mutex_lock_interruptible(&dvbdemux->mutex))
 		return -ERESTARTSYS;
 
 	dvbdmxfilter = dvb_dmx_filter_alloc(dvbdemux);
 	if (!dvbdmxfilter) {
-		up(&dvbdemux->mutex);
+		mutex_unlock(&dvbdemux->mutex);
 		return -EBUSY;
 	}
 
@@ -805,7 +805,7 @@ static int dmx_section_feed_allocate_filter(struct dmx_section_feed *feed,
 	dvbdmxfeed->filter = dvbdmxfilter;
 	spin_unlock_irq(&dvbdemux->lock);
 
-	up(&dvbdemux->mutex);
+	mutex_unlock(&dvbdemux->mutex);
 	return 0;
 }
 
@@ -819,7 +819,7 @@ static int dmx_section_feed_set(struct dmx_section_feed *feed,
 	if (pid > 0x1fff)
 		return -EINVAL;
 
-	if (down_interruptible(&dvbdmx->mutex))
+	if (mutex_lock_interruptible(&dvbdmx->mutex))
 		return -ERESTARTSYS;
 
 	dvb_demux_feed_add(dvbdmxfeed);
@@ -833,13 +833,13 @@ static int dmx_section_feed_set(struct dmx_section_feed *feed,
 #else
 	dvbdmxfeed->buffer = vmalloc(dvbdmxfeed->buffer_size);
 	if (!dvbdmxfeed->buffer) {
-		up(&dvbdmx->mutex);
+		mutex_unlock(&dvbdmx->mutex);
 		return -ENOMEM;
 	}
 #endif
 
 	dvbdmxfeed->state = DMX_STATE_READY;
-	up(&dvbdmx->mutex);
+	mutex_unlock(&dvbdmx->mutex);
 	return 0;
 }
 
@@ -871,16 +871,16 @@ static int dmx_section_feed_start_filtering(struct dmx_section_feed *feed)
 	struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
 	int ret;
 
-	if (down_interruptible(&dvbdmx->mutex))
+	if (mutex_lock_interruptible(&dvbdmx->mutex))
 		return -ERESTARTSYS;
 
 	if (feed->is_filtering) {
-		up(&dvbdmx->mutex);
+		mutex_unlock(&dvbdmx->mutex);
 		return -EBUSY;
 	}
 
 	if (!dvbdmxfeed->filter) {
-		up(&dvbdmx->mutex);
+		mutex_unlock(&dvbdmx->mutex);
 		return -EINVAL;
 	}
 
@@ -890,14 +890,14 @@ static int dmx_section_feed_start_filtering(struct dmx_section_feed *feed)
 	dvbdmxfeed->feed.sec.seclen = 0;
 
 	if (!dvbdmx->start_feed) {
-		up(&dvbdmx->mutex);
+		mutex_unlock(&dvbdmx->mutex);
 		return -ENODEV;
 	}
 
 	prepare_secfilters(dvbdmxfeed);
 
 	if ((ret = dvbdmx->start_feed(dvbdmxfeed)) < 0) {
-		up(&dvbdmx->mutex);
+		mutex_unlock(&dvbdmx->mutex);
 		return ret;
 	}
 
@@ -906,7 +906,7 @@ static int dmx_section_feed_start_filtering(struct dmx_section_feed *feed)
 	dvbdmxfeed->state = DMX_STATE_GO;
 	spin_unlock_irq(&dvbdmx->lock);
 
-	up(&dvbdmx->mutex);
+	mutex_unlock(&dvbdmx->mutex);
 	return 0;
 }
 
@@ -916,11 +916,11 @@ static int dmx_section_feed_stop_filtering(struct dmx_section_feed *feed)
 	struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
 	int ret;
 
-	if (down_interruptible(&dvbdmx->mutex))
+	if (mutex_lock_interruptible(&dvbdmx->mutex))
 		return -ERESTARTSYS;
 
 	if (!dvbdmx->stop_feed) {
-		up(&dvbdmx->mutex);
+		mutex_unlock(&dvbdmx->mutex);
 		return -ENODEV;
 	}
 
@@ -931,7 +931,7 @@ static int dmx_section_feed_stop_filtering(struct dmx_section_feed *feed)
 	feed->is_filtering = 0;
 	spin_unlock_irq(&dvbdmx->lock);
 
-	up(&dvbdmx->mutex);
+	mutex_unlock(&dvbdmx->mutex);
 	return ret;
 }
 
@@ -942,11 +942,11 @@ static int dmx_section_feed_release_filter(struct dmx_section_feed *feed,
 	struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *)feed;
 	struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
 
-	if (down_interruptible(&dvbdmx->mutex))
+	if (mutex_lock_interruptible(&dvbdmx->mutex))
 		return -ERESTARTSYS;
 
 	if (dvbdmxfilter->feed != dvbdmxfeed) {
-		up(&dvbdmx->mutex);
+		mutex_unlock(&dvbdmx->mutex);
 		return -EINVAL;
 	}
 
@@ -966,7 +966,7 @@ static int dmx_section_feed_release_filter(struct dmx_section_feed *feed,
 
 	dvbdmxfilter->state = DMX_STATE_FREE;
 	spin_unlock_irq(&dvbdmx->lock);
-	up(&dvbdmx->mutex);
+	mutex_unlock(&dvbdmx->mutex);
 	return 0;
 }
 
@@ -977,11 +977,11 @@ static int dvbdmx_allocate_section_feed(struct dmx_demux *demux,
 	struct dvb_demux *dvbdmx = (struct dvb_demux *)demux;
 	struct dvb_demux_feed *dvbdmxfeed;
 
-	if (down_interruptible(&dvbdmx->mutex))
+	if (mutex_lock_interruptible(&dvbdmx->mutex))
 		return -ERESTARTSYS;
 
 	if (!(dvbdmxfeed = dvb_dmx_feed_alloc(dvbdmx))) {
-		up(&dvbdmx->mutex);
+		mutex_unlock(&dvbdmx->mutex);
 		return -EBUSY;
 	}
 
@@ -1006,7 +1006,7 @@ static int dvbdmx_allocate_section_feed(struct dmx_demux *demux,
 	(*feed)->stop_filtering = dmx_section_feed_stop_filtering;
 	(*feed)->release_filter = dmx_section_feed_release_filter;
 
-	up(&dvbdmx->mutex);
+	mutex_unlock(&dvbdmx->mutex);
 	return 0;
 }
 
@@ -1016,11 +1016,11 @@ static int dvbdmx_release_section_feed(struct dmx_demux *demux,
 	struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *)feed;
 	struct dvb_demux *dvbdmx = (struct dvb_demux *)demux;
 
-	if (down_interruptible(&dvbdmx->mutex))
+	if (mutex_lock_interruptible(&dvbdmx->mutex))
 		return -ERESTARTSYS;
 
 	if (dvbdmxfeed->state == DMX_STATE_FREE) {
-		up(&dvbdmx->mutex);
+		mutex_unlock(&dvbdmx->mutex);
 		return -EINVAL;
 	}
 #ifndef NOBUFS
@@ -1033,7 +1033,7 @@ static int dvbdmx_release_section_feed(struct dmx_demux *demux,
 
 	dvbdmxfeed->pid = 0xffff;
 
-	up(&dvbdmx->mutex);
+	mutex_unlock(&dvbdmx->mutex);
 	return 0;
 }
 
@@ -1071,10 +1071,10 @@ static int dvbdmx_write(struct dmx_demux *demux, const char *buf, size_t count)
 	if ((!demux->frontend) || (demux->frontend->source != DMX_MEMORY_FE))
 		return -EINVAL;
 
-	if (down_interruptible(&dvbdemux->mutex))
+	if (mutex_lock_interruptible(&dvbdemux->mutex))
 		return -ERESTARTSYS;
 	dvb_dmx_swfilter(dvbdemux, buf, count);
-	up(&dvbdemux->mutex);
+	mutex_unlock(&dvbdemux->mutex);
 
 	if (signal_pending(current))
 		return -EINTR;
@@ -1126,11 +1126,11 @@ static int dvbdmx_connect_frontend(struct dmx_demux *demux,
 	if (demux->frontend)
 		return -EINVAL;
 
-	if (down_interruptible(&dvbdemux->mutex))
+	if (mutex_lock_interruptible(&dvbdemux->mutex))
 		return -ERESTARTSYS;
 
 	demux->frontend = frontend;
-	up(&dvbdemux->mutex);
+	mutex_unlock(&dvbdemux->mutex);
 	return 0;
 }
 
@@ -1138,11 +1138,11 @@ static int dvbdmx_disconnect_frontend(struct dmx_demux *demux)
 {
 	struct dvb_demux *dvbdemux = (struct dvb_demux *)demux;
 
-	if (down_interruptible(&dvbdemux->mutex))
+	if (mutex_lock_interruptible(&dvbdemux->mutex))
 		return -ERESTARTSYS;
 
 	demux->frontend = NULL;
-	up(&dvbdemux->mutex);
+	mutex_unlock(&dvbdemux->mutex);
 	return 0;
 }
 
@@ -1215,7 +1215,7 @@ int dvb_dmx_init(struct dvb_demux *dvbdemux)
 	dmx->disconnect_frontend = dvbdmx_disconnect_frontend;
 	dmx->get_pes_pids = dvbdmx_get_pes_pids;
 
-	sema_init(&dvbdemux->mutex, 1);
+	mutex_init(&dvbdemux->mutex);
 	spin_lock_init(&dvbdemux->lock);
 
 	return 0;
diff --git a/drivers/media/dvb/dvb-core/dvb_demux.h b/drivers/media/dvb/dvb-core/dvb_demux.h
index 0cc888339d5..2c5f915329c 100644
--- a/drivers/media/dvb/dvb-core/dvb_demux.h
+++ b/drivers/media/dvb/dvb-core/dvb_demux.h
@@ -26,7 +26,7 @@
 #include <linux/time.h>
 #include <linux/timer.h>
 #include <linux/spinlock.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 
 #include "demux.h"
 
@@ -125,7 +125,7 @@ struct dvb_demux {
 	u8 tsbuf[204];
 	int tsbufp;
 
-	struct semaphore mutex;
+	struct mutex mutex;
 	spinlock_t lock;
 };
 
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index 771f32d889e..2c3ea8f95dc 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -37,7 +37,6 @@
 #include <linux/suspend.h>
 #include <linux/jiffies.h>
 #include <asm/processor.h>
-#include <asm/semaphore.h>
 
 #include "dvb_frontend.h"
 #include "dvbdev.h"
@@ -50,13 +49,13 @@ static int dvb_powerdown_on_sleep = 1;
 
 module_param_named(frontend_debug, dvb_frontend_debug, int, 0644);
 MODULE_PARM_DESC(frontend_debug, "Turn on/off frontend core debugging (default:off).");
-module_param(dvb_shutdown_timeout, int, 0444);
+module_param(dvb_shutdown_timeout, int, 0644);
 MODULE_PARM_DESC(dvb_shutdown_timeout, "wait <shutdown_timeout> seconds after close() before suspending hardware");
-module_param(dvb_force_auto_inversion, int, 0444);
+module_param(dvb_force_auto_inversion, int, 0644);
 MODULE_PARM_DESC(dvb_force_auto_inversion, "0: normal (default), 1: INVERSION_AUTO forced always");
-module_param(dvb_override_tune_delay, int, 0444);
+module_param(dvb_override_tune_delay, int, 0644);
 MODULE_PARM_DESC(dvb_override_tune_delay, "0: normal (default), >0 => delay in milliseconds to wait for lock after a tune attempt");
-module_param(dvb_powerdown_on_sleep, int, 0444);
+module_param(dvb_powerdown_on_sleep, int, 0644);
 MODULE_PARM_DESC(dvb_powerdown_on_sleep, "0: do not power down, 1: turn LNB volatage off on sleep (default)");
 
 #define dprintk if (dvb_frontend_debug) printk
@@ -88,7 +87,7 @@ MODULE_PARM_DESC(dvb_powerdown_on_sleep, "0: do not power down, 1: turn LNB vola
  * FESTATE_LOSTLOCK. When the lock has been lost, and we're searching it again.
  */
 
-static DECLARE_MUTEX(frontend_mutex);
+static DEFINE_MUTEX(frontend_mutex);
 
 struct dvb_frontend_private {
 
@@ -1021,12 +1020,12 @@ int dvb_register_frontend(struct dvb_adapter* dvb,
 
 	dprintk ("%s\n", __FUNCTION__);
 
-	if (down_interruptible (&frontend_mutex))
+	if (mutex_lock_interruptible(&frontend_mutex))
 		return -ERESTARTSYS;
 
 	fe->frontend_priv = kzalloc(sizeof(struct dvb_frontend_private), GFP_KERNEL);
 	if (fe->frontend_priv == NULL) {
-		up(&frontend_mutex);
+		mutex_unlock(&frontend_mutex);
 		return -ENOMEM;
 	}
 	fepriv = fe->frontend_priv;
@@ -1045,7 +1044,7 @@ int dvb_register_frontend(struct dvb_adapter* dvb,
 	dvb_register_device (fe->dvb, &fepriv->dvbdev, &dvbdev_template,
 			     fe, DVB_DEVICE_FRONTEND);
 
-	up (&frontend_mutex);
+	mutex_unlock(&frontend_mutex);
 	return 0;
 }
 EXPORT_SYMBOL(dvb_register_frontend);
@@ -1055,7 +1054,7 @@ int dvb_unregister_frontend(struct dvb_frontend* fe)
 	struct dvb_frontend_private *fepriv = fe->frontend_priv;
 	dprintk ("%s\n", __FUNCTION__);
 
-	down (&frontend_mutex);
+	mutex_lock(&frontend_mutex);
 	dvb_unregister_device (fepriv->dvbdev);
 	dvb_frontend_stop (fe);
 	if (fe->ops->release)
@@ -1064,7 +1063,7 @@ int dvb_unregister_frontend(struct dvb_frontend* fe)
 		printk("dvb_frontend: Demodulator (%s) does not have a release callback!\n", fe->ops->info.name);
 	/* fe is invalid now */
 	kfree(fepriv);
-	up (&frontend_mutex);
+	mutex_unlock(&frontend_mutex);
 	return 0;
 }
 EXPORT_SYMBOL(dvb_unregister_frontend);
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.h b/drivers/media/dvb/dvb-core/dvb_frontend.h
index 70a6d14efda..d5aee5ad67a 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.h
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.h
@@ -104,6 +104,7 @@ struct dvb_frontend {
 	struct dvb_adapter *dvb;
 	void* demodulator_priv;
 	void* frontend_priv;
+	void* misc_priv;
 };
 
 extern int dvb_register_frontend(struct dvb_adapter* dvb,
diff --git a/drivers/media/dvb/dvb-core/dvb_net.c b/drivers/media/dvb/dvb-core/dvb_net.c
index 6711eb6a058..2f0f35811bf 100644
--- a/drivers/media/dvb/dvb-core/dvb_net.c
+++ b/drivers/media/dvb/dvb-core/dvb_net.c
@@ -62,6 +62,7 @@
 #include <linux/uio.h>
 #include <asm/uaccess.h>
 #include <linux/crc32.h>
+#include <linux/mutex.h>
 
 #include "dvb_demux.h"
 #include "dvb_net.h"
@@ -151,8 +152,7 @@ struct dvb_net_priv {
 	unsigned char ule_bridged;		/* Whether the ULE_BRIDGED extension header was found. */
 	int ule_sndu_remain;			/* Nr. of bytes still required for current ULE SNDU. */
 	unsigned long ts_count;			/* Current ts cell counter. */
-
-	struct semaphore mutex;
+	struct mutex mutex;
 };
 
 
@@ -889,7 +889,7 @@ static int dvb_net_feed_start(struct net_device *dev)
 	unsigned char *mac = (unsigned char *) dev->dev_addr;
 
 	dprintk("%s: rx_mode %i\n", __FUNCTION__, priv->rx_mode);
-	down(&priv->mutex);
+	mutex_lock(&priv->mutex);
 	if (priv->tsfeed || priv->secfeed || priv->secfilter || priv->multi_secfilter[0])
 		printk("%s: BUG %d\n", __FUNCTION__, __LINE__);
 
@@ -974,7 +974,7 @@ static int dvb_net_feed_start(struct net_device *dev)
 		ret = -EINVAL;
 
 error:
-	up(&priv->mutex);
+	mutex_unlock(&priv->mutex);
 	return ret;
 }
 
@@ -984,7 +984,7 @@ static int dvb_net_feed_stop(struct net_device *dev)
 	int i, ret = 0;
 
 	dprintk("%s\n", __FUNCTION__);
-	down(&priv->mutex);
+	mutex_lock(&priv->mutex);
 	if (priv->feedtype == DVB_NET_FEEDTYPE_MPE) {
 		if (priv->secfeed) {
 			if (priv->secfeed->is_filtering) {
@@ -1026,7 +1026,7 @@ static int dvb_net_feed_stop(struct net_device *dev)
 			printk("%s: no ts feed to stop\n", dev->name);
 	} else
 		ret = -EINVAL;
-	up(&priv->mutex);
+	mutex_unlock(&priv->mutex);
 	return ret;
 }
 
@@ -1208,7 +1208,7 @@ static int dvb_net_add_if(struct dvb_net *dvbnet, u16 pid, u8 feedtype)
 
 	INIT_WORK(&priv->set_multicast_list_wq, wq_set_multicast_list, net);
 	INIT_WORK(&priv->restart_net_feed_wq, wq_restart_net_feed, net);
-	init_MUTEX(&priv->mutex);
+	mutex_init(&priv->mutex);
 
 	net->base_addr = pid;
 
diff --git a/drivers/media/dvb/dvb-core/dvb_ringbuffer.c b/drivers/media/dvb/dvb-core/dvb_ringbuffer.c
index 77ad2410f4d..c972fe014c5 100644
--- a/drivers/media/dvb/dvb-core/dvb_ringbuffer.c
+++ b/drivers/media/dvb/dvb-core/dvb_ringbuffer.c
@@ -45,6 +45,7 @@ void dvb_ringbuffer_init(struct dvb_ringbuffer *rbuf, void *data, size_t len)
 	rbuf->pread=rbuf->pwrite=0;
 	rbuf->data=data;
 	rbuf->size=len;
+	rbuf->error=0;
 
 	init_waitqueue_head(&rbuf->queue);
 
@@ -87,6 +88,7 @@ ssize_t dvb_ringbuffer_avail(struct dvb_ringbuffer *rbuf)
 void dvb_ringbuffer_flush(struct dvb_ringbuffer *rbuf)
 {
 	rbuf->pread = rbuf->pwrite;
+	rbuf->error = 0;
 }
 
 
diff --git a/drivers/media/dvb/dvb-core/dvb_ringbuffer.h b/drivers/media/dvb/dvb-core/dvb_ringbuffer.h
index 6d256097277..d97714e7573 100644
--- a/drivers/media/dvb/dvb-core/dvb_ringbuffer.h
+++ b/drivers/media/dvb/dvb-core/dvb_ringbuffer.h
@@ -35,6 +35,7 @@ struct dvb_ringbuffer {
 	ssize_t           size;
 	ssize_t           pread;
 	ssize_t           pwrite;
+	int               error;
 
 	wait_queue_head_t queue;
 	spinlock_t        lock;
diff --git a/drivers/media/dvb/dvb-usb/cxusb.c b/drivers/media/dvb/dvb-usb/cxusb.c
index 162f9795cd8..e14bf43941e 100644
--- a/drivers/media/dvb/dvb-usb/cxusb.c
+++ b/drivers/media/dvb/dvb-usb/cxusb.c
@@ -77,7 +77,7 @@ static int cxusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
 	int i;
 
-	if (down_interruptible(&d->i2c_sem) < 0)
+	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 		return -EAGAIN;
 
 	if (num > 2)
@@ -126,7 +126,7 @@ static int cxusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
 		}
 	}
 
-	up(&d->i2c_sem);
+	mutex_unlock(&d->i2c_mutex);
 	return i;
 }
 
diff --git a/drivers/media/dvb/dvb-usb/dibusb-common.c b/drivers/media/dvb/dvb-usb/dibusb-common.c
index 269d899da48..2d52b76671d 100644
--- a/drivers/media/dvb/dvb-usb/dibusb-common.c
+++ b/drivers/media/dvb/dvb-usb/dibusb-common.c
@@ -128,7 +128,7 @@ static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num
 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
 	int i;
 
-	if (down_interruptible(&d->i2c_sem) < 0)
+	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 		return -EAGAIN;
 
 	if (num > 2)
@@ -146,7 +146,7 @@ static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num
 				break;
 	}
 
-	up(&d->i2c_sem);
+	mutex_unlock(&d->i2c_mutex);
 	return i;
 }
 
diff --git a/drivers/media/dvb/dvb-usb/digitv.c b/drivers/media/dvb/dvb-usb/digitv.c
index caa1346e306..91136c00ce9 100644
--- a/drivers/media/dvb/dvb-usb/digitv.c
+++ b/drivers/media/dvb/dvb-usb/digitv.c
@@ -48,7 +48,7 @@ static int digitv_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num
 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
 	int i;
 
-	if (down_interruptible(&d->i2c_sem) < 0)
+	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 		return -EAGAIN;
 
 	if (num > 2)
@@ -67,7 +67,7 @@ static int digitv_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num
 				break;
 	}
 
-	up(&d->i2c_sem);
+	mutex_unlock(&d->i2c_mutex);
 	return i;
 }
 
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-init.c b/drivers/media/dvb/dvb-usb/dvb-usb-init.c
index ce34a55e5c2..a1705ecb9a5 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb-init.c
+++ b/drivers/media/dvb/dvb-usb/dvb-usb-init.c
@@ -42,8 +42,8 @@ static int dvb_usb_init(struct dvb_usb_device *d)
 {
 	int ret = 0;
 
-	sema_init(&d->usb_sem, 1);
-	sema_init(&d->i2c_sem, 1);
+	mutex_init(&d->usb_mutex);
+	mutex_init(&d->i2c_mutex);
 
 	d->state = DVB_USB_STATE_INIT;
 
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-urb.c b/drivers/media/dvb/dvb-usb/dvb-usb-urb.c
index ee821974dc6..9002f35aa95 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb-urb.c
+++ b/drivers/media/dvb/dvb-usb/dvb-usb-urb.c
@@ -21,7 +21,7 @@ int dvb_usb_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen, u8 *rbuf,
 	if (wbuf == NULL || wlen == 0)
 		return -EINVAL;
 
-	if ((ret = down_interruptible(&d->usb_sem)))
+	if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
 		return ret;
 
 	deb_xfer(">>> ");
@@ -53,7 +53,7 @@ int dvb_usb_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen, u8 *rbuf,
 		}
 	}
 
-	up(&d->usb_sem);
+	mutex_unlock(&d->usb_mutex);
 	return ret;
 }
 EXPORT_SYMBOL(dvb_usb_generic_rw);
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb.h b/drivers/media/dvb/dvb-usb/dvb-usb.h
index d4909e5c67e..fead958a57e 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb.h
+++ b/drivers/media/dvb/dvb-usb/dvb-usb.h
@@ -12,6 +12,7 @@
 #include <linux/input.h>
 #include <linux/usb.h>
 #include <linux/firmware.h>
+#include <linux/mutex.h>
 
 #include "dvb_frontend.h"
 #include "dvb_demux.h"
@@ -227,8 +228,8 @@ struct dvb_usb_properties {
  * @feedcount: number of reqested feeds (used for streaming-activation)
  * @pid_filtering: is hardware pid_filtering used or not.
  *
- * @usb_sem: semaphore of USB control messages (reading needs two messages)
- * @i2c_sem: semaphore for i2c-transfers
+ * @usb_mutex: semaphore of USB control messages (reading needs two messages)
+ * @i2c_mutex: semaphore for i2c-transfers
  *
  * @i2c_adap: device's i2c_adapter if it uses I2CoverUSB
  * @pll_addr: I2C address of the tuner for programming
@@ -283,10 +284,10 @@ struct dvb_usb_device {
 	int pid_filtering;
 
 	/* locking */
-	struct semaphore usb_sem;
+	struct mutex usb_mutex;
 
 	/* i2c */
-	struct semaphore i2c_sem;
+	struct mutex i2c_mutex;
 	struct i2c_adapter i2c_adap;
 
 	/* tuner programming information */
diff --git a/drivers/media/dvb/dvb-usb/vp702x.c b/drivers/media/dvb/dvb-usb/vp702x.c
index 4a95eca81c5..b2f098a2d5f 100644
--- a/drivers/media/dvb/dvb-usb/vp702x.c
+++ b/drivers/media/dvb/dvb-usb/vp702x.c
@@ -75,7 +75,7 @@ int vp702x_usb_inout_op(struct dvb_usb_device *d, u8 *o, int olen, u8 *i, int il
 {
 	int ret;
 
-	if ((ret = down_interruptible(&d->usb_sem)))
+	if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
 		return ret;
 
 	if ((ret = vp702x_usb_out_op(d,REQUEST_OUT,0,0,o,olen)) < 0)
@@ -84,7 +84,7 @@ int vp702x_usb_inout_op(struct dvb_usb_device *d, u8 *o, int olen, u8 *i, int il
 	ret = vp702x_usb_in_op(d,REQUEST_IN,0,0,i,ilen);
 
 unlock:
-	up(&d->usb_sem);
+	mutex_unlock(&d->usb_mutex);
 
 	return ret;
 }
diff --git a/drivers/media/dvb/dvb-usb/vp7045.c b/drivers/media/dvb/dvb-usb/vp7045.c
index 3835235b68d..8ea3834a6cf 100644
--- a/drivers/media/dvb/dvb-usb/vp7045.c
+++ b/drivers/media/dvb/dvb-usb/vp7045.c
@@ -38,7 +38,7 @@ int vp7045_usb_op(struct dvb_usb_device *d, u8 cmd, u8 *out, int outlen, u8 *in,
 	deb_xfer("out buffer: ");
 	debug_dump(outbuf,outlen+1,deb_xfer);
 
-	if ((ret = down_interruptible(&d->usb_sem)))
+	if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
 		return ret;
 
 	if (usb_control_msg(d->udev,
@@ -68,7 +68,7 @@ int vp7045_usb_op(struct dvb_usb_device *d, u8 cmd, u8 *out, int outlen, u8 *in,
 		memcpy(in,&inbuf[1],inlen);
 
 unlock:
-	up(&d->usb_sem);
+	mutex_unlock(&d->usb_mutex);
 
 	return ret;
 }
diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig
index c676b1e23ab..94233168d24 100644
--- a/drivers/media/dvb/frontends/Kconfig
+++ b/drivers/media/dvb/frontends/Kconfig
@@ -116,6 +116,12 @@ config DVB_MT352
 	help
 	  A DVB-T tuner module. Say Y when you want to support this frontend.
 
+config DVB_ZL10353
+	tristate "Zarlink ZL10353 based"
+	depends on DVB_CORE
+	help
+	  A DVB-T tuner module. Say Y when you want to support this frontend.
+
 config DVB_DIB3000MB
 	tristate "DiBcom 3000M-B"
 	depends on DVB_CORE
@@ -155,7 +161,7 @@ comment "ATSC (North American/Korean Terresterial DTV) frontends"
 	depends on DVB_CORE
 
 config DVB_NXT200X
-	tristate "Nextwave NXT2002/NXT2004 based"
+	tristate "NxtWave Communications NXT2002/NXT2004 based"
 	depends on DVB_CORE
 	select FW_LOADER
 	help
@@ -169,14 +175,14 @@ config DVB_NXT200X
 	  or /lib/firmware (depending on configuration of firmware hotplug).
 
 config DVB_OR51211
-	tristate "or51211 based (pcHDTV HD2000 card)"
+	tristate "Oren OR51211 based"
 	depends on DVB_CORE
 	select FW_LOADER
 	help
 	  An ATSC 8VSB tuner module. Say Y when you want to support this frontend.
 
 config DVB_OR51132
-	tristate "OR51132 based (pcHDTV HD3000 card)"
+	tristate "Oren OR51132 based"
 	depends on DVB_CORE
 	select FW_LOADER
 	help
diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile
index 1af769cd90c..d09b6071fba 100644
--- a/drivers/media/dvb/frontends/Makefile
+++ b/drivers/media/dvb/frontends/Makefile
@@ -20,6 +20,7 @@ obj-$(CONFIG_DVB_TDA1004X) += tda1004x.o
 obj-$(CONFIG_DVB_SP887X) += sp887x.o
 obj-$(CONFIG_DVB_NXT6000) += nxt6000.o
 obj-$(CONFIG_DVB_MT352) += mt352.o
+obj-$(CONFIG_DVB_ZL10353) += zl10353.o
 obj-$(CONFIG_DVB_CX22702) += cx22702.o
 obj-$(CONFIG_DVB_TDA10021) += tda10021.o
 obj-$(CONFIG_DVB_STV0297) += stv0297.o
diff --git a/drivers/media/dvb/frontends/bcm3510.c b/drivers/media/dvb/frontends/bcm3510.c
index caaee893ca7..1708a1d4893 100644
--- a/drivers/media/dvb/frontends/bcm3510.c
+++ b/drivers/media/dvb/frontends/bcm3510.c
@@ -39,6 +39,7 @@
 #include <linux/jiffies.h>
 #include <linux/string.h>
 #include <linux/slab.h>
+#include <linux/mutex.h>
 
 #include "dvb_frontend.h"
 #include "bcm3510.h"
@@ -52,7 +53,7 @@ struct bcm3510_state {
 	struct dvb_frontend frontend;
 
 	/* demodulator private data */
-	struct semaphore hab_sem;
+	struct mutex hab_mutex;
 	u8 firmware_loaded:1;
 
 	unsigned long next_status_check;
@@ -213,7 +214,7 @@ static int bcm3510_do_hab_cmd(struct bcm3510_state *st, u8 cmd, u8 msgid, u8 *ob
 	dbufout(ob,olen+2,deb_hab);
 	deb_hab("\n");
 
-	if (down_interruptible(&st->hab_sem) < 0)
+	if (mutex_lock_interruptible(&st->hab_mutex) < 0)
 		return -EAGAIN;
 
 	if ((ret = bcm3510_hab_send_request(st, ob, olen+2)) < 0 ||
@@ -226,7 +227,7 @@ static int bcm3510_do_hab_cmd(struct bcm3510_state *st, u8 cmd, u8 msgid, u8 *ob
 
 	memcpy(ibuf,&ib[2],ilen);
 error:
-	up(&st->hab_sem);
+	mutex_unlock(&st->hab_mutex);
 	return ret;
 }
 
@@ -796,7 +797,7 @@ struct dvb_frontend* bcm3510_attach(const struct bcm3510_config *config,
 	state->frontend.ops = &state->ops;
 	state->frontend.demodulator_priv = state;
 
-	sema_init(&state->hab_sem, 1);
+	mutex_init(&state->hab_mutex);
 
 	if ((ret = bcm3510_readB(state,0xe0,&v)) < 0)
 		goto error;
diff --git a/drivers/media/dvb/frontends/bsbe1.h b/drivers/media/dvb/frontends/bsbe1.h
new file mode 100644
index 00000000000..78573b22ada
--- /dev/null
+++ b/drivers/media/dvb/frontends/bsbe1.h
@@ -0,0 +1,123 @@
+/*
+ * bsbe1.h - ALPS BSBE1 tuner support (moved from av7110.c)
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
+ *
+ *
+ * the project's page is at http://www.linuxtv.org
+ */
+
+#ifndef BSBE1_H
+#define BSBE1_H
+
+static u8 alps_bsbe1_inittab[] = {
+	0x01, 0x15,
+	0x02, 0x30,
+	0x03, 0x00,
+	0x04, 0x7d,   /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */
+	0x05, 0x35,   /* I2CT = 0, SCLT = 1, SDAT = 1 */
+	0x06, 0x40,   /* DAC not used, set to high impendance mode */
+	0x07, 0x00,   /* DAC LSB */
+	0x08, 0x40,   /* DiSEqC off, LNB power on OP2/LOCK pin on */
+	0x09, 0x00,   /* FIFO */
+	0x0c, 0x51,   /* OP1 ctl = Normal, OP1 val = 1 (LNB Power ON) */
+	0x0d, 0x82,   /* DC offset compensation = ON, beta_agc1 = 2 */
+	0x0e, 0x23,   /* alpha_tmg = 2, beta_tmg = 3 */
+	0x10, 0x3f,   // AGC2  0x3d
+	0x11, 0x84,
+	0x12, 0xb9,
+	0x15, 0xc9,   // lock detector threshold
+	0x16, 0x00,
+	0x17, 0x00,
+	0x18, 0x00,
+	0x19, 0x00,
+	0x1a, 0x00,
+	0x1f, 0x50,
+	0x20, 0x00,
+	0x21, 0x00,
+	0x22, 0x00,
+	0x23, 0x00,
+	0x28, 0x00,  // out imp: normal  out type: parallel FEC mode:0
+	0x29, 0x1e,  // 1/2 threshold
+	0x2a, 0x14,  // 2/3 threshold
+	0x2b, 0x0f,  // 3/4 threshold
+	0x2c, 0x09,  // 5/6 threshold
+	0x2d, 0x05,  // 7/8 threshold
+	0x2e, 0x01,
+	0x31, 0x1f,  // test all FECs
+	0x32, 0x19,  // viterbi and synchro search
+	0x33, 0xfc,  // rs control
+	0x34, 0x93,  // error control
+	0x0f, 0x92,
+	0xff, 0xff
+};
+
+
+static int alps_bsbe1_set_symbol_rate(struct dvb_frontend* fe, u32 srate, u32 ratio)
+{
+	u8 aclk = 0;
+	u8 bclk = 0;
+
+	if (srate < 1500000) { aclk = 0xb7; bclk = 0x47; }
+	else if (srate < 3000000) { aclk = 0xb7; bclk = 0x4b; }
+	else if (srate < 7000000) { aclk = 0xb7; bclk = 0x4f; }
+	else if (srate < 14000000) { aclk = 0xb7; bclk = 0x53; }
+	else if (srate < 30000000) { aclk = 0xb6; bclk = 0x53; }
+	else if (srate < 45000000) { aclk = 0xb4; bclk = 0x51; }
+
+	stv0299_writereg(fe, 0x13, aclk);
+	stv0299_writereg(fe, 0x14, bclk);
+	stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff);
+	stv0299_writereg(fe, 0x20, (ratio >>  8) & 0xff);
+	stv0299_writereg(fe, 0x21, (ratio      ) & 0xf0);
+
+	return 0;
+}
+
+static int alps_bsbe1_pll_set(struct dvb_frontend* fe, struct i2c_adapter *i2c, struct dvb_frontend_parameters* params)
+{
+	int ret;
+	u8 data[4];
+	u32 div;
+	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };
+
+	if ((params->frequency < 950000) || (params->frequency > 2150000))
+		return -EINVAL;
+
+	div = (params->frequency + (125 - 1)) / 125; // round correctly
+	data[0] = (div >> 8) & 0x7f;
+	data[1] = div & 0xff;
+	data[2] = 0x80 | ((div & 0x18000) >> 10) | 4;
+	data[3] = (params->frequency > 1530000) ? 0xE0 : 0xE4;
+
+	ret = i2c_transfer(i2c, &msg, 1);
+	return (ret != 1) ? -EIO : 0;
+}
+
+static struct stv0299_config alps_bsbe1_config = {
+	.demod_address = 0x68,
+	.inittab = alps_bsbe1_inittab,
+	.mclk = 88000000UL,
+	.invert = 1,
+	.skip_reinit = 0,
+	.min_delay_ms = 100,
+	.set_symbol_rate = alps_bsbe1_set_symbol_rate,
+	.pll_set = alps_bsbe1_pll_set,
+};
+
+#endif
diff --git a/drivers/media/dvb/frontends/bsru6.h b/drivers/media/dvb/frontends/bsru6.h
new file mode 100644
index 00000000000..2a5366ce79c
--- /dev/null
+++ b/drivers/media/dvb/frontends/bsru6.h
@@ -0,0 +1,140 @@
+/*
+ * bsru6.h - ALPS BSRU6 tuner support (moved from budget-ci.c)
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
+ *
+ *
+ * the project's page is at http://www.linuxtv.org
+ */
+
+#ifndef BSRU6_H
+#define BSRU6_H
+
+static u8 alps_bsru6_inittab[] = {
+	0x01, 0x15,
+	0x02, 0x00,
+	0x03, 0x00,
+	0x04, 0x7d,   /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */
+	0x05, 0x35,   /* I2CT = 0, SCLT = 1, SDAT = 1 */
+	0x06, 0x40,   /* DAC not used, set to high impendance mode */
+	0x07, 0x00,   /* DAC LSB */
+	0x08, 0x40,   /* DiSEqC off, LNB power on OP2/LOCK pin on */
+	0x09, 0x00,   /* FIFO */
+	0x0c, 0x51,   /* OP1 ctl = Normal, OP1 val = 1 (LNB Power ON) */
+	0x0d, 0x82,   /* DC offset compensation = ON, beta_agc1 = 2 */
+	0x0e, 0x23,   /* alpha_tmg = 2, beta_tmg = 3 */
+	0x10, 0x3f,   // AGC2  0x3d
+	0x11, 0x84,
+	0x12, 0xb9,
+	0x15, 0xc9,   // lock detector threshold
+	0x16, 0x00,
+	0x17, 0x00,
+	0x18, 0x00,
+	0x19, 0x00,
+	0x1a, 0x00,
+	0x1f, 0x50,
+	0x20, 0x00,
+	0x21, 0x00,
+	0x22, 0x00,
+	0x23, 0x00,
+	0x28, 0x00,  // out imp: normal  out type: parallel FEC mode:0
+	0x29, 0x1e,  // 1/2 threshold
+	0x2a, 0x14,  // 2/3 threshold
+	0x2b, 0x0f,  // 3/4 threshold
+	0x2c, 0x09,  // 5/6 threshold
+	0x2d, 0x05,  // 7/8 threshold
+	0x2e, 0x01,
+	0x31, 0x1f,  // test all FECs
+	0x32, 0x19,  // viterbi and synchro search
+	0x33, 0xfc,  // rs control
+	0x34, 0x93,  // error control
+	0x0f, 0x52,
+	0xff, 0xff
+};
+
+static int alps_bsru6_set_symbol_rate(struct dvb_frontend *fe, u32 srate, u32 ratio)
+{
+	u8 aclk = 0;
+	u8 bclk = 0;
+
+	if (srate < 1500000) {
+		aclk = 0xb7;
+		bclk = 0x47;
+	} else if (srate < 3000000) {
+		aclk = 0xb7;
+		bclk = 0x4b;
+	} else if (srate < 7000000) {
+		aclk = 0xb7;
+		bclk = 0x4f;
+	} else if (srate < 14000000) {
+		aclk = 0xb7;
+		bclk = 0x53;
+	} else if (srate < 30000000) {
+		aclk = 0xb6;
+		bclk = 0x53;
+	} else if (srate < 45000000) {
+		aclk = 0xb4;
+		bclk = 0x51;
+	}
+
+	stv0299_writereg(fe, 0x13, aclk);
+	stv0299_writereg(fe, 0x14, bclk);
+	stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff);
+	stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff);
+	stv0299_writereg(fe, 0x21, ratio & 0xf0);
+
+	return 0;
+}
+
+static int alps_bsru6_pll_set(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dvb_frontend_parameters *params)
+{
+	u8 buf[4];
+	u32 div;
+	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };
+
+	if ((params->frequency < 950000) || (params->frequency > 2150000))
+		return -EINVAL;
+
+	div = (params->frequency + (125 - 1)) / 125;	// round correctly
+	buf[0] = (div >> 8) & 0x7f;
+	buf[1] = div & 0xff;
+	buf[2] = 0x80 | ((div & 0x18000) >> 10) | 4;
+	buf[3] = 0xC4;
+
+	if (params->frequency > 1530000)
+		buf[3] = 0xc0;
+
+	if (i2c_transfer(i2c, &msg, 1) != 1)
+		return -EIO;
+	return 0;
+}
+
+static struct stv0299_config alps_bsru6_config = {
+	.demod_address = 0x68,
+	.inittab = alps_bsru6_inittab,
+	.mclk = 88000000UL,
+	.invert = 1,
+	.skip_reinit = 0,
+	.lock_output = STV0229_LOCKOUTPUT_1,
+	.volt13_op0_op1 = STV0299_VOLT13_OP1,
+	.min_delay_ms = 100,
+	.set_symbol_rate = alps_bsru6_set_symbol_rate,
+	.pll_set = alps_bsru6_pll_set,
+};
+
+#endif
diff --git a/drivers/media/dvb/frontends/cx24110.c b/drivers/media/dvb/frontends/cx24110.c
index d15d32c51dc..f3edf8b517d 100644
--- a/drivers/media/dvb/frontends/cx24110.c
+++ b/drivers/media/dvb/frontends/cx24110.c
@@ -371,6 +371,15 @@ static int cx24110_initfe(struct dvb_frontend* fe)
 	return 0;
 }
 
+static int cx24110_sleep(struct dvb_frontend *fe)
+{
+	struct cx24110_state *state = fe->demodulator_priv;
+
+	if (state->config->pll_sleep)
+		  return state->config->pll_sleep(fe);
+	return 0;
+}
+
 static int cx24110_set_voltage (struct dvb_frontend* fe, fe_sec_voltage_t voltage)
 {
 	struct cx24110_state *state = fe->demodulator_priv;
@@ -418,6 +427,9 @@ static int cx24110_send_diseqc_msg(struct dvb_frontend* fe,
 	struct cx24110_state *state = fe->demodulator_priv;
 	unsigned long timeout;
 
+	if (cmd->msg_len < 3 || cmd->msg_len > 6)
+		return -EINVAL;  /* not implemented */
+
 	for (i = 0; i < cmd->msg_len; i++)
 		cx24110_writereg(state, 0x79 + i, cmd->msg[i]);
 
@@ -639,6 +651,7 @@ static struct dvb_frontend_ops cx24110_ops = {
 	.release = cx24110_release,
 
 	.init = cx24110_initfe,
+	.sleep = cx24110_sleep,
 	.set_frontend = cx24110_set_frontend,
 	.get_frontend = cx24110_get_frontend,
 	.read_status = cx24110_read_status,
diff --git a/drivers/media/dvb/frontends/cx24110.h b/drivers/media/dvb/frontends/cx24110.h
index b63ecf26421..609ac642b40 100644
--- a/drivers/media/dvb/frontends/cx24110.h
+++ b/drivers/media/dvb/frontends/cx24110.h
@@ -35,6 +35,7 @@ struct cx24110_config
 	/* PLL maintenance */
 	int (*pll_init)(struct dvb_frontend* fe);
 	int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
+	int (*pll_sleep)(struct dvb_frontend* fe);
 };
 
 extern struct dvb_frontend* cx24110_attach(const struct cx24110_config* config,
diff --git a/drivers/media/dvb/frontends/dvb-pll.c b/drivers/media/dvb/frontends/dvb-pll.c
index 4dcb6050d4f..b6e2c387a04 100644
--- a/drivers/media/dvb/frontends/dvb-pll.c
+++ b/drivers/media/dvb/frontends/dvb-pll.c
@@ -362,6 +362,63 @@ struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261 = {
 };
 EXPORT_SYMBOL(dvb_pll_philips_sd1878_tda8261);
 
+/*
+ * Philips TD1316 Tuner.
+ */
+static void td1316_bw(u8 *buf, u32 freq, int bandwidth)
+{
+	u8 band;
+
+	/* determine band */
+	if (freq < 161000000)
+		band = 1;
+	else if (freq < 444000000)
+		band = 2;
+	else
+		band = 4;
+
+	buf[3] |= band;
+
+	/* setup PLL filter */
+	if (bandwidth == BANDWIDTH_8_MHZ)
+		buf[3] |= 1 << 3;
+}
+
+struct dvb_pll_desc dvb_pll_philips_td1316 = {
+	.name  = "Philips TD1316",
+	.min   =  87000000,
+	.max   = 895000000,
+	.setbw = td1316_bw,
+	.count = 9,
+	.entries = {
+		{  93834000, 36166000, 166666, 0xca, 0x60},
+		{ 123834000, 36166000, 166666, 0xca, 0xa0},
+		{ 163834000, 36166000, 166666, 0xca, 0xc0},
+		{ 253834000, 36166000, 166666, 0xca, 0x60},
+		{ 383834000, 36166000, 166666, 0xca, 0xa0},
+		{ 443834000, 36166000, 166666, 0xca, 0xc0},
+		{ 583834000, 36166000, 166666, 0xca, 0x60},
+		{ 793834000, 36166000, 166666, 0xca, 0xa0},
+		{ 858834000, 36166000, 166666, 0xca, 0xe0},
+	},
+};
+EXPORT_SYMBOL(dvb_pll_philips_td1316);
+
+/* FE6600 used on DViCO Hybrid */
+struct dvb_pll_desc dvb_pll_thomson_fe6600 = {
+	.name = "Thomson FE6600",
+	.min =  44250000,
+	.max = 858000000,
+	.count = 4,
+	.entries = {
+		{ 250000000, 36213333, 166667, 0xb4, 0x12 },
+		{ 455000000, 36213333, 166667, 0xfe, 0x11 },
+		{ 775500000, 36213333, 166667, 0xbc, 0x18 },
+		{ 999999999, 36213333, 166667, 0xf4, 0x18 },
+	}
+};
+EXPORT_SYMBOL(dvb_pll_thomson_fe6600);
+
 /* ----------------------------------------------------------- */
 /* code                                                        */
 
@@ -391,8 +448,8 @@ int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf,
 	div = (freq + desc->entries[i].offset) / desc->entries[i].stepsize;
 	buf[0] = div >> 8;
 	buf[1] = div & 0xff;
-	buf[2] = desc->entries[i].cb1;
-	buf[3] = desc->entries[i].cb2;
+	buf[2] = desc->entries[i].config;
+	buf[3] = desc->entries[i].cb;
 
 	if (desc->setbw)
 		desc->setbw(buf, freq, bandwidth);
diff --git a/drivers/media/dvb/frontends/dvb-pll.h b/drivers/media/dvb/frontends/dvb-pll.h
index bb8d4b4eb18..2b846178498 100644
--- a/drivers/media/dvb/frontends/dvb-pll.h
+++ b/drivers/media/dvb/frontends/dvb-pll.h
@@ -15,8 +15,8 @@ struct dvb_pll_desc {
 		u32 limit;
 		u32 offset;
 		u32 stepsize;
-		u8  cb1;
-		u8  cb2;
+		u8  config;
+		u8  cb;
 	} entries[12];
 };
 
@@ -40,6 +40,9 @@ extern struct dvb_pll_desc dvb_pll_tuv1236d;
 extern struct dvb_pll_desc dvb_pll_tdhu2;
 extern struct dvb_pll_desc dvb_pll_samsung_tbmv;
 extern struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261;
+extern struct dvb_pll_desc dvb_pll_philips_td1316;
+
+extern struct dvb_pll_desc dvb_pll_thomson_fe6600;
 
 int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf,
 		      u32 freq, int bandwidth);
diff --git a/drivers/media/dvb/frontends/lnbp21.h b/drivers/media/dvb/frontends/lnbp21.h
new file mode 100644
index 00000000000..0dcbe61b61b
--- /dev/null
+++ b/drivers/media/dvb/frontends/lnbp21.h
@@ -0,0 +1,139 @@
+/*
+ * lnbp21.h - driver for lnb supply and control ic lnbp21
+ *
+ * Copyright (C) 2006 Oliver Endriss
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
+ *
+ *
+ * the project's page is at http://www.linuxtv.org
+ */
+
+#ifndef _LNBP21_H
+#define _LNBP21_H
+
+/* system register */
+#define LNBP21_OLF	0x01
+#define LNBP21_OTF	0x02
+#define LNBP21_EN	0x04
+#define LNBP21_VSEL	0x08
+#define LNBP21_LLC	0x10
+#define LNBP21_TEN	0x20
+#define LNBP21_ISEL	0x40
+#define LNBP21_PCL	0x80
+
+struct lnbp21 {
+	u8			config;
+	u8			override_or;
+	u8			override_and;
+	struct i2c_adapter	*i2c;
+	void			(*release_chain)(struct dvb_frontend* fe);
+};
+
+static int lnbp21_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
+{
+	struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->misc_priv;
+	struct i2c_msg msg = {	.addr = 0x08, .flags = 0,
+				.buf = &lnbp21->config,
+				.len = sizeof(lnbp21->config) };
+
+	lnbp21->config &= ~(LNBP21_VSEL | LNBP21_EN);
+
+	switch(voltage) {
+	case SEC_VOLTAGE_OFF:
+		break;
+	case SEC_VOLTAGE_13:
+		lnbp21->config |= LNBP21_EN;
+		break;
+	case SEC_VOLTAGE_18:
+		lnbp21->config |= (LNBP21_EN | LNBP21_VSEL);
+		break;
+	default:
+		return -EINVAL;
+	};
+
+	lnbp21->config |= lnbp21->override_or;
+	lnbp21->config &= lnbp21->override_and;
+
+	return (i2c_transfer(lnbp21->i2c, &msg, 1) == 1) ? 0 : -EIO;
+}
+
+static int lnbp21_enable_high_lnb_voltage(struct dvb_frontend *fe, long arg)
+{
+	struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->misc_priv;
+	struct i2c_msg msg = {	.addr = 0x08, .flags = 0,
+				.buf = &lnbp21->config,
+				.len = sizeof(lnbp21->config) };
+
+	if (arg)
+		lnbp21->config |= LNBP21_LLC;
+	else
+		lnbp21->config &= ~LNBP21_LLC;
+
+	lnbp21->config |= lnbp21->override_or;
+	lnbp21->config &= lnbp21->override_and;
+
+	return (i2c_transfer(lnbp21->i2c, &msg, 1) == 1) ? 0 : -EIO;
+}
+
+static void lnbp21_exit(struct dvb_frontend *fe)
+{
+	struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->misc_priv;
+
+	/* LNBP power off */
+	lnbp21_set_voltage(fe, SEC_VOLTAGE_OFF);
+
+	/* free data & call next release routine */
+	fe->ops->release = lnbp21->release_chain;
+	kfree(fe->misc_priv);
+	fe->misc_priv = NULL;
+	if (fe->ops->release)
+		fe->ops->release(fe);
+}
+
+static int lnbp21_init(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear)
+{
+	struct lnbp21 *lnbp21 = kmalloc(sizeof(struct lnbp21), GFP_KERNEL);
+
+	if (!lnbp21)
+		return -ENOMEM;
+
+	/* default configuration */
+	lnbp21->config = LNBP21_ISEL;
+
+	/* bits which should be forced to '1' */
+	lnbp21->override_or = override_set;
+
+	/* bits which should be forced to '0' */
+	lnbp21->override_and = ~override_clear;
+
+	/* install release callback */
+	lnbp21->release_chain = fe->ops->release;
+	fe->ops->release = lnbp21_exit;
+
+	/* override frontend ops */
+	fe->ops->set_voltage = lnbp21_set_voltage;
+	fe->ops->enable_high_lnb_voltage = lnbp21_enable_high_lnb_voltage;
+
+	lnbp21->i2c = i2c;
+	fe->misc_priv = lnbp21;
+
+	return lnbp21_set_voltage(fe, SEC_VOLTAGE_OFF);
+}
+
+#endif
diff --git a/drivers/media/dvb/frontends/tda1004x.c b/drivers/media/dvb/frontends/tda1004x.c
index c63e9a5084e..8e8df7b4ca0 100644
--- a/drivers/media/dvb/frontends/tda1004x.c
+++ b/drivers/media/dvb/frontends/tda1004x.c
@@ -229,7 +229,7 @@ static int tda1004x_enable_tuner_i2c(struct tda1004x_state *state)
 	dprintk("%s\n", __FUNCTION__);
 
 	result = tda1004x_write_mask(state, TDA1004X_CONFC4, 2, 2);
-	msleep(1);
+	msleep(20);
 	return result;
 }
 
@@ -502,7 +502,12 @@ static int tda10046_fwupload(struct dvb_frontend* fe)
 	const struct firmware *fw;
 
 	/* reset + wake up chip */
-	tda1004x_write_byteI(state, TDA1004X_CONFC4, 0);
+	if (state->config->xtal_freq == TDA10046_XTAL_4M) {
+		tda1004x_write_byteI(state, TDA1004X_CONFC4, 0);
+	} else {
+		dprintk("%s: 16MHz Xtal, reducing I2C speed\n", __FUNCTION__);
+		tda1004x_write_byteI(state, TDA1004X_CONFC4, 0x80);
+	}
 	tda1004x_write_mask(state, TDA10046H_CONF_TRISTATE1, 1, 0);
 	/* let the clocks recover from sleep */
 	msleep(5);
@@ -651,7 +656,7 @@ static int tda10046_init(struct dvb_frontend* fe)
 	// tda setup
 	tda1004x_write_mask(state, TDA1004X_CONFC4, 0x20, 0); // disable DSP watchdog timer
 	tda1004x_write_byteI(state, TDA1004X_AUTO, 0x87);    // 100 ppm crystal, select HP stream
-	tda1004x_write_byteI(state, TDA1004X_CONFC1, 8);      // disable pulse killer
+	tda1004x_write_byteI(state, TDA1004X_CONFC1, 0x88);      // enable pulse killer
 
 	switch (state->config->agc_config) {
 	case TDA10046_AGC_DEFAULT:
@@ -672,6 +677,12 @@ static int tda10046_init(struct dvb_frontend* fe)
 		tda1004x_write_byteI(state, TDA10046H_AGC_RENORM, 0x08); // Gain Renormalize
 		tda1004x_write_byteI(state, TDA10046H_CONF_POLARITY, 0x6a); // set AGC polarities
 		break;
+	case TDA10046_AGC_TDA827X_GPL:
+		tda1004x_write_byteI(state, TDA10046H_AGC_CONF, 0x02);   // AGC setup
+		tda1004x_write_byteI(state, TDA10046H_AGC_THR, 0x70);    // AGC Threshold
+		tda1004x_write_byteI(state, TDA10046H_AGC_RENORM, 0x08); // Gain Renormalize
+		tda1004x_write_byteI(state, TDA10046H_CONF_POLARITY, 0x60); // set AGC polarities
+		break;
 	}
 	tda1004x_write_byteI(state, TDA1004X_CONFADC2, 0x38);
 	tda1004x_write_byteI(state, TDA10046H_CONF_TRISTATE1, 0x61); // Turn both AGC outputs on
@@ -683,6 +694,7 @@ static int tda10046_init(struct dvb_frontend* fe)
 	tda1004x_write_byteI(state, TDA10046H_CVBER_CTRL, 0x1a); // 10^6 VBER measurement bits
 	tda1004x_write_byteI(state, TDA1004X_CONF_TS1, 7); // MPEG2 interface config
 	tda1004x_write_byteI(state, TDA1004X_CONF_TS2, 0xc0); // MPEG2 interface config
+	// tda1004x_write_mask(state, 0x50, 0x80, 0x80);         // handle out of guard echoes
 	tda1004x_write_mask(state, 0x3a, 0x80, state->config->invert_oclk << 7);
 
 	state->initialised = 1;
@@ -1027,6 +1039,7 @@ static int tda1004x_read_status(struct dvb_frontend* fe, fe_status_t * fe_status
 		if (status == -1)
 			return -EIO;
 		cber |= (status << 8);
+		// The address 0x20 should be read to cope with a TDA10046 bug
 		tda1004x_read_byte(state, TDA1004X_CBER_RESET);
 
 		if (cber != 65535)
@@ -1047,7 +1060,8 @@ static int tda1004x_read_status(struct dvb_frontend* fe, fe_status_t * fe_status
 		status = tda1004x_read_byte(state, TDA1004X_VBER_MSB);
 		if (status == -1)
 			return -EIO;
-		vber |= ((status << 16) & 0x0f);
+		vber |= (status & 0x0f) << 16;
+		// The CVBER_LUT should be read to cope with TDA10046 hardware bug
 		tda1004x_read_byte(state, TDA1004X_CVBER_LUT);
 
 		// if RS has passed some valid TS packets, then we must be
@@ -1161,6 +1175,7 @@ static int tda1004x_read_ber(struct dvb_frontend* fe, u32* ber)
 	if (tmp < 0)
 		return -EIO;
 	*ber |= (tmp << 9);
+	// The address 0x20 should be read to cope with a TDA10046 bug
 	tda1004x_read_byte(state, TDA1004X_CBER_RESET);
 
 	dprintk("%s: ber=0x%x\n", __FUNCTION__, *ber);
@@ -1187,6 +1202,8 @@ static int tda1004x_sleep(struct dvb_frontend* fe)
 				tda1004x_disable_tuner_i2c(state);
 			}
 		}
+		/* set outputs to tristate */
+		tda1004x_write_byteI(state, TDA10046H_CONF_TRISTATE1, 0xff);
 		tda1004x_write_mask(state, TDA1004X_CONFC4, 1, 1);
 		break;
 	}
diff --git a/drivers/media/dvb/frontends/tda1004x.h b/drivers/media/dvb/frontends/tda1004x.h
index 8659c52647a..cc0c4af6406 100644
--- a/drivers/media/dvb/frontends/tda1004x.h
+++ b/drivers/media/dvb/frontends/tda1004x.h
@@ -35,7 +35,8 @@ enum tda10046_agc {
 	TDA10046_AGC_DEFAULT,		/* original configuration */
 	TDA10046_AGC_IFO_AUTO_NEG,	/* IF AGC only, automatic, negtive */
 	TDA10046_AGC_IFO_AUTO_POS,	/* IF AGC only, automatic, positive */
-	TDA10046_AGC_TDA827X,	    /* IF AGC only, special setup for tda827x */
+	TDA10046_AGC_TDA827X,		/* IF AGC only, special setup for tda827x */
+	TDA10046_AGC_TDA827X_GPL,	/* same as above, but GPIOs 0 */
 };
 
 enum tda10046_if {
diff --git a/drivers/media/dvb/frontends/zl10353.c b/drivers/media/dvb/frontends/zl10353.c
new file mode 100644
index 00000000000..d7d9f59d76d
--- /dev/null
+++ b/drivers/media/dvb/frontends/zl10353.c
@@ -0,0 +1,311 @@
+/*
+ * Driver for Zarlink DVB-T ZL10353 demodulator
+ *
+ * Copyright (C) 2006 Christopher Pascoe <c.pascoe@itee.uq.edu.au>
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.=
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+
+#include "dvb_frontend.h"
+#include "zl10353_priv.h"
+#include "zl10353.h"
+
+struct zl10353_state {
+	struct i2c_adapter *i2c;
+	struct dvb_frontend frontend;
+	struct dvb_frontend_ops ops;
+
+	struct zl10353_config config;
+};
+
+static int debug_regs = 0;
+
+static int zl10353_single_write(struct dvb_frontend *fe, u8 reg, u8 val)
+{
+	struct zl10353_state *state = fe->demodulator_priv;
+	u8 buf[2] = { reg, val };
+	struct i2c_msg msg = { .addr = state->config.demod_address, .flags = 0,
+			       .buf = buf, .len = 2 };
+	int err = i2c_transfer(state->i2c, &msg, 1);
+	if (err != 1) {
+		printk("zl10353: write to reg %x failed (err = %d)!\n", reg, err);
+		return err;
+	}
+	return 0;
+}
+
+int zl10353_write(struct dvb_frontend *fe, u8 *ibuf, int ilen)
+{
+	int err, i;
+	for (i = 0; i < ilen - 1; i++)
+		if ((err = zl10353_single_write(fe, ibuf[0] + i, ibuf[i + 1])))
+			return err;
+
+	return 0;
+}
+
+static int zl10353_read_register(struct zl10353_state *state, u8 reg)
+{
+	int ret;
+	u8 b0[1] = { reg };
+	u8 b1[1] = { 0 };
+	struct i2c_msg msg[2] = { { .addr = state->config.demod_address,
+				    .flags = 0,
+				    .buf = b0, .len = 1 },
+				  { .addr = state->config.demod_address,
+				    .flags = I2C_M_RD,
+				    .buf = b1, .len = 1 } };
+
+	ret = i2c_transfer(state->i2c, msg, 2);
+
+	if (ret != 2) {
+		printk("%s: readreg error (reg=%d, ret==%i)\n",
+		       __FUNCTION__, reg, ret);
+		return ret;
+	}
+
+	return b1[0];
+}
+
+static void zl10353_dump_regs(struct dvb_frontend *fe)
+{
+	struct zl10353_state *state = fe->demodulator_priv;
+	char buf[52], buf2[4];
+	int ret;
+	u8 reg;
+
+	/* Dump all registers. */
+	for (reg = 0; ; reg++) {
+		if (reg % 16 == 0) {
+			if (reg)
+				printk(KERN_DEBUG "%s\n", buf);
+			sprintf(buf, "%02x: ", reg);
+		}
+		ret = zl10353_read_register(state, reg);
+		if (ret >= 0)
+			sprintf(buf2, "%02x ", (u8)ret);
+		else
+			strcpy(buf2, "-- ");
+		strcat(buf, buf2);
+		if (reg == 0xff)
+			break;
+	}
+	printk(KERN_DEBUG "%s\n", buf);
+}
+
+static int zl10353_sleep(struct dvb_frontend *fe)
+{
+	static u8 zl10353_softdown[] = { 0x50, 0x0C, 0x44 };
+
+	zl10353_write(fe, zl10353_softdown, sizeof(zl10353_softdown));
+	return 0;
+}
+
+static int zl10353_set_parameters(struct dvb_frontend *fe,
+				  struct dvb_frontend_parameters *param)
+{
+	struct zl10353_state *state = fe->demodulator_priv;
+	u8 pllbuf[6] = { 0x67 };
+
+	/* These settings set "auto-everything" and start the FSM. */
+	zl10353_single_write(fe, 0x55, 0x80);
+	udelay(200);
+	zl10353_single_write(fe, 0xEA, 0x01);
+	udelay(200);
+	zl10353_single_write(fe, 0xEA, 0x00);
+
+	zl10353_single_write(fe, 0x56, 0x28);
+	zl10353_single_write(fe, 0x89, 0x20);
+	zl10353_single_write(fe, 0x5E, 0x00);
+	zl10353_single_write(fe, 0x65, 0x5A);
+	zl10353_single_write(fe, 0x66, 0xE9);
+	zl10353_single_write(fe, 0x62, 0x0A);
+
+	state->config.pll_set(fe, param, pllbuf + 1);
+	zl10353_write(fe, pllbuf, sizeof(pllbuf));
+
+	zl10353_single_write(fe, 0x70, 0x01);
+	udelay(250);
+	zl10353_single_write(fe, 0xE4, 0x00);
+	zl10353_single_write(fe, 0xE5, 0x2A);
+	zl10353_single_write(fe, 0xE9, 0x02);
+	zl10353_single_write(fe, 0xE7, 0x40);
+	zl10353_single_write(fe, 0xE8, 0x10);
+
+	return 0;
+}
+
+static int zl10353_read_status(struct dvb_frontend *fe, fe_status_t *status)
+{
+	struct zl10353_state *state = fe->demodulator_priv;
+	int s6, s7, s8;
+
+	if ((s6 = zl10353_read_register(state, STATUS_6)) < 0)
+		return -EREMOTEIO;
+	if ((s7 = zl10353_read_register(state, STATUS_7)) < 0)
+		return -EREMOTEIO;
+	if ((s8 = zl10353_read_register(state, STATUS_8)) < 0)
+		return -EREMOTEIO;
+
+	*status = 0;
+	if (s6 & (1 << 2))
+		*status |= FE_HAS_CARRIER;
+	if (s6 & (1 << 1))
+		*status |= FE_HAS_VITERBI;
+	if (s6 & (1 << 5))
+		*status |= FE_HAS_LOCK;
+	if (s7 & (1 << 4))
+		*status |= FE_HAS_SYNC;
+	if (s8 & (1 << 6))
+		*status |= FE_HAS_SIGNAL;
+
+	if ((*status & (FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC)) !=
+	    (FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC))
+		*status &= ~FE_HAS_LOCK;
+
+	return 0;
+}
+
+static int zl10353_read_snr(struct dvb_frontend *fe, u16 *snr)
+{
+	struct zl10353_state *state = fe->demodulator_priv;
+	u8 _snr;
+
+	if (debug_regs)
+		zl10353_dump_regs(fe);
+
+	_snr = zl10353_read_register(state, SNR);
+	*snr = (_snr << 8) | _snr;
+
+	return 0;
+}
+
+static int zl10353_get_tune_settings(struct dvb_frontend *fe,
+				     struct dvb_frontend_tune_settings
+					 *fe_tune_settings)
+{
+	fe_tune_settings->min_delay_ms = 1000;
+	fe_tune_settings->step_size = 0;
+	fe_tune_settings->max_drift = 0;
+
+	return 0;
+}
+
+static int zl10353_init(struct dvb_frontend *fe)
+{
+	struct zl10353_state *state = fe->demodulator_priv;
+	u8 zl10353_reset_attach[6] = { 0x50, 0x03, 0x64, 0x46, 0x15, 0x0F };
+	int rc = 0;
+
+	if (debug_regs)
+		zl10353_dump_regs(fe);
+
+	/* Do a "hard" reset if not already done */
+	if (zl10353_read_register(state, 0x50) != 0x03) {
+		rc = zl10353_write(fe, zl10353_reset_attach,
+				   sizeof(zl10353_reset_attach));
+		if (debug_regs)
+			zl10353_dump_regs(fe);
+	}
+
+	return 0;
+}
+
+static void zl10353_release(struct dvb_frontend *fe)
+{
+	struct zl10353_state *state = fe->demodulator_priv;
+
+	kfree(state);
+}
+
+static struct dvb_frontend_ops zl10353_ops;
+
+struct dvb_frontend *zl10353_attach(const struct zl10353_config *config,
+				    struct i2c_adapter *i2c)
+{
+	struct zl10353_state *state = NULL;
+
+	/* allocate memory for the internal state */
+	state = kzalloc(sizeof(struct zl10353_state), GFP_KERNEL);
+	if (state == NULL)
+		goto error;
+
+	/* setup the state */
+	state->i2c = i2c;
+	memcpy(&state->config, config, sizeof(struct zl10353_config));
+	memcpy(&state->ops, &zl10353_ops, sizeof(struct dvb_frontend_ops));
+
+	/* check if the demod is there */
+	if (zl10353_read_register(state, CHIP_ID) != ID_ZL10353)
+		goto error;
+
+	/* create dvb_frontend */
+	state->frontend.ops = &state->ops;
+	state->frontend.demodulator_priv = state;
+
+	return &state->frontend;
+error:
+	kfree(state);
+	return NULL;
+}
+
+static struct dvb_frontend_ops zl10353_ops = {
+
+	.info = {
+		.name			= "Zarlink ZL10353 DVB-T",
+		.type			= FE_OFDM,
+		.frequency_min		= 174000000,
+		.frequency_max		= 862000000,
+		.frequency_stepsize	= 166667,
+		.frequency_tolerance	= 0,
+		.caps = 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_HIERARCHY_AUTO | FE_CAN_RECOVER |
+			FE_CAN_MUTE_TS
+	},
+
+	.release = zl10353_release,
+
+	.init = zl10353_init,
+	.sleep = zl10353_sleep,
+
+	.set_frontend = zl10353_set_parameters,
+	.get_tune_settings = zl10353_get_tune_settings,
+
+	.read_status = zl10353_read_status,
+	.read_snr = zl10353_read_snr,
+};
+
+module_param(debug_regs, int, 0644);
+MODULE_PARM_DESC(debug_regs, "Turn on/off frontend register dumps (default:off).");
+
+MODULE_DESCRIPTION("Zarlink ZL10353 DVB-T demodulator driver");
+MODULE_AUTHOR("Chris Pascoe");
+MODULE_LICENSE("GPL");
+
+EXPORT_SYMBOL(zl10353_attach);
+EXPORT_SYMBOL(zl10353_write);
diff --git a/drivers/media/dvb/frontends/zl10353.h b/drivers/media/dvb/frontends/zl10353.h
new file mode 100644
index 00000000000..5cc4ae718d8
--- /dev/null
+++ b/drivers/media/dvb/frontends/zl10353.h
@@ -0,0 +1,43 @@
+/*
+ *  Driver for Zarlink DVB-T ZL10353 demodulator
+ *
+ *  Copyright (C) 2006 Christopher Pascoe <c.pascoe@itee.uq.edu.au>
+ *
+ *  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, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.=
+ */
+
+#ifndef ZL10353_H
+#define ZL10353_H
+
+#include <linux/dvb/frontend.h>
+
+struct zl10353_config
+{
+	/* demodulator's I2C address */
+	u8 demod_address;
+
+	/* function which configures the PLL buffer (for secondary I2C
+	 * connected tuner) or tunes the PLL (for direct connected tuner) */
+	int (*pll_set)(struct dvb_frontend *fe,
+		       struct dvb_frontend_parameters *params, u8 *pllbuf);
+};
+
+extern struct dvb_frontend* zl10353_attach(const struct zl10353_config *config,
+					   struct i2c_adapter *i2c);
+
+extern int zl10353_write(struct dvb_frontend *fe, u8 *ibuf, int ilen);
+
+#endif /* ZL10353_H */
diff --git a/drivers/media/dvb/frontends/zl10353_priv.h b/drivers/media/dvb/frontends/zl10353_priv.h
new file mode 100644
index 00000000000..b72224bd7dd
--- /dev/null
+++ b/drivers/media/dvb/frontends/zl10353_priv.h
@@ -0,0 +1,42 @@
+/*
+ *  Driver for Zarlink DVB-T ZL10353 demodulator
+ *
+ *  Copyright (C) 2006 Christopher Pascoe <c.pascoe@itee.uq.edu.au>
+ *
+ *  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, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.=
+ */
+
+#ifndef _ZL10353_PRIV_
+#define _ZL10353_PRIV_
+
+#define ID_ZL10353	0x14
+
+enum zl10353_reg_addr {
+	INTERRUPT_0	= 0x00,
+	INTERRUPT_1	= 0x01,
+	INTERRUPT_2	= 0x02,
+	INTERRUPT_3	= 0x03,
+	INTERRUPT_4	= 0x04,
+	INTERRUPT_5	= 0x05,
+	STATUS_6	= 0x06,
+	STATUS_7	= 0x07,
+	STATUS_8	= 0x08,
+	STATUS_9	= 0x09,
+	SNR		= 0x10,
+	CHIP_ID		= 0x7F,
+};
+
+#endif                          /* _ZL10353_PRIV_ */
diff --git a/drivers/media/dvb/ttpci/av7110.c b/drivers/media/dvb/ttpci/av7110.c
index 7c6ccb96b15..840efec32cb 100644
--- a/drivers/media/dvb/ttpci/av7110.c
+++ b/drivers/media/dvb/ttpci/av7110.c
@@ -54,7 +54,6 @@
 #include <linux/i2c.h>
 
 #include <asm/system.h>
-#include <asm/semaphore.h>
 
 #include <linux/dvb/frontend.h>
 
@@ -67,6 +66,10 @@
 #include "av7110_ca.h"
 #include "av7110_ipack.h"
 
+#include "bsbe1.h"
+#include "lnbp21.h"
+#include "bsru6.h"
+
 #define TS_WIDTH  376
 #define TS_HEIGHT 512
 #define TS_BUFLEN (TS_WIDTH*TS_HEIGHT)
@@ -82,6 +85,8 @@ static int hw_sections;
 static int rgb_on;
 static int volume = 255;
 static int budgetpatch;
+static int wss_cfg_4_3 = 0x4008;
+static int wss_cfg_16_9 = 0x0007;
 
 module_param_named(debug, av7110_debug, int, 0644);
 MODULE_PARM_DESC(debug, "debug level (bitmask, default 0)");
@@ -100,6 +105,10 @@ module_param(volume, int, 0444);
 MODULE_PARM_DESC(volume, "initial volume: default 255 (range 0-255)");
 module_param(budgetpatch, int, 0444);
 MODULE_PARM_DESC(budgetpatch, "use budget-patch hardware modification: default 0 (0 no, 1 autodetect, 2 always)");
+module_param(wss_cfg_4_3, int, 0444);
+MODULE_PARM_DESC(wss_cfg_4_3, "WSS 4:3 - default 0x4008 - bit 15: disable, 14: burst mode, 13..0: wss data");
+module_param(wss_cfg_16_9, int, 0444);
+MODULE_PARM_DESC(wss_cfg_16_9, "WSS 16:9 - default 0x0007 - bit 15: disable, 14: burst mode, 13..0: wss data");
 
 static void restart_feeds(struct av7110 *av7110);
 
@@ -125,6 +134,13 @@ static void init_av7110_av(struct av7110 *av7110)
 	if (ret < 0)
 		printk("dvb-ttpci:cannot set internal volume to maximum:%d\n",ret);
 
+	ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetWSSConfig, 2, 2, wss_cfg_4_3);
+	if (ret < 0)
+		printk("dvb-ttpci: unable to configure 4:3 wss\n");
+	ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetWSSConfig, 2, 3, wss_cfg_16_9);
+	if (ret < 0)
+		printk("dvb-ttpci: unable to configure 16:9 wss\n");
+
 	ret = av7710_set_video_mode(av7110, vidmode);
 	if (ret < 0)
 		printk("dvb-ttpci:cannot set video mode:%d\n",ret);
@@ -242,10 +258,10 @@ static int arm_thread(void *data)
 		if (!av7110->arm_ready)
 			continue;
 
-		if (down_interruptible(&av7110->dcomlock))
+		if (mutex_lock_interruptible(&av7110->dcomlock))
 			break;
 		newloops = rdebi(av7110, DEBINOSWAP, STATUS_LOOPS, 0, 2);
-		up(&av7110->dcomlock);
+		mutex_unlock(&av7110->dcomlock);
 
 		if (newloops == av7110->arm_loops || av7110->arm_errors > 3) {
 			printk(KERN_ERR "dvb-ttpci: ARM crashed @ card %d\n",
@@ -253,10 +269,10 @@ static int arm_thread(void *data)
 
 			recover_arm(av7110);
 
-			if (down_interruptible(&av7110->dcomlock))
+			if (mutex_lock_interruptible(&av7110->dcomlock))
 				break;
 			newloops = rdebi(av7110, DEBINOSWAP, STATUS_LOOPS, 0, 2) - 1;
-			up(&av7110->dcomlock);
+			mutex_unlock(&av7110->dcomlock);
 		}
 		av7110->arm_loops = newloops;
 		av7110->arm_errors = 0;
@@ -741,7 +757,7 @@ int ChangePIDs(struct av7110 *av7110, u16 vpid, u16 apid, u16 ttpid,
 	int ret = 0;
 	dprintk(4, "%p\n", av7110);
 
-	if (down_interruptible(&av7110->pid_mutex))
+	if (mutex_lock_interruptible(&av7110->pid_mutex))
 		return -ERESTARTSYS;
 
 	if (!(vpid & 0x8000))
@@ -760,7 +776,7 @@ int ChangePIDs(struct av7110 *av7110, u16 vpid, u16 apid, u16 ttpid,
 		ret = SetPIDs(av7110, vpid, apid, ttpid, subpid, pcrpid);
 	}
 
-	up(&av7110->pid_mutex);
+	mutex_unlock(&av7110->pid_mutex);
 	return ret;
 }
 
@@ -1088,11 +1104,9 @@ static int dvb_get_stc(struct dmx_demux *demux, unsigned int num,
 	struct av7110 *av7110;
 
 	/* pointer casting paranoia... */
-	if (!demux)
-		BUG();
+	BUG_ON(!demux);
 	dvbdemux = (struct dvb_demux *) demux->priv;
-	if (!dvbdemux)
-		BUG();
+	BUG_ON(!dvbdemux);
 	av7110 = (struct av7110 *) dvbdemux->priv;
 
 	dprintk(4, "%p\n", av7110);
@@ -1570,208 +1584,6 @@ static struct ves1x93_config alps_bsrv2_config = {
 	.pll_set = alps_bsrv2_pll_set,
 };
 
-
-static u8 alps_bsru6_inittab[] = {
-	0x01, 0x15,
-	0x02, 0x30,
-	0x03, 0x00,
-	0x04, 0x7d,   /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */
-	0x05, 0x35,   /* I2CT = 0, SCLT = 1, SDAT = 1 */
-	0x06, 0x40,   /* DAC not used, set to high impendance mode */
-	0x07, 0x00,   /* DAC LSB */
-	0x08, 0x40,   /* DiSEqC off, LNB power on OP2/LOCK pin on */
-	0x09, 0x00,   /* FIFO */
-	0x0c, 0x51,   /* OP1 ctl = Normal, OP1 val = 1 (LNB Power ON) */
-	0x0d, 0x82,   /* DC offset compensation = ON, beta_agc1 = 2 */
-	0x0e, 0x23,   /* alpha_tmg = 2, beta_tmg = 3 */
-	0x10, 0x3f,   // AGC2  0x3d
-	0x11, 0x84,
-	0x12, 0xb9,
-	0x15, 0xc9,   // lock detector threshold
-	0x16, 0x00,
-	0x17, 0x00,
-	0x18, 0x00,
-	0x19, 0x00,
-	0x1a, 0x00,
-	0x1f, 0x50,
-	0x20, 0x00,
-	0x21, 0x00,
-	0x22, 0x00,
-	0x23, 0x00,
-	0x28, 0x00,  // out imp: normal  out type: parallel FEC mode:0
-	0x29, 0x1e,  // 1/2 threshold
-	0x2a, 0x14,  // 2/3 threshold
-	0x2b, 0x0f,  // 3/4 threshold
-	0x2c, 0x09,  // 5/6 threshold
-	0x2d, 0x05,  // 7/8 threshold
-	0x2e, 0x01,
-	0x31, 0x1f,  // test all FECs
-	0x32, 0x19,  // viterbi and synchro search
-	0x33, 0xfc,  // rs control
-	0x34, 0x93,  // error control
-	0x0f, 0x52,
-	0xff, 0xff
-};
-
-static int alps_bsru6_set_symbol_rate(struct dvb_frontend* fe, u32 srate, u32 ratio)
-{
-	u8 aclk = 0;
-	u8 bclk = 0;
-
-	if (srate < 1500000) { aclk = 0xb7; bclk = 0x47; }
-	else if (srate < 3000000) { aclk = 0xb7; bclk = 0x4b; }
-	else if (srate < 7000000) { aclk = 0xb7; bclk = 0x4f; }
-	else if (srate < 14000000) { aclk = 0xb7; bclk = 0x53; }
-	else if (srate < 30000000) { aclk = 0xb6; bclk = 0x53; }
-	else if (srate < 45000000) { aclk = 0xb4; bclk = 0x51; }
-
-	stv0299_writereg(fe, 0x13, aclk);
-	stv0299_writereg(fe, 0x14, bclk);
-	stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff);
-	stv0299_writereg(fe, 0x20, (ratio >>  8) & 0xff);
-	stv0299_writereg(fe, 0x21, (ratio      ) & 0xf0);
-
-	return 0;
-}
-
-static int alps_bsru6_pll_set(struct dvb_frontend* fe, struct i2c_adapter *i2c, struct dvb_frontend_parameters* params)
-{
-	int ret;
-	u8 data[4];
-	u32 div;
-	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };
-
-	if ((params->frequency < 950000) || (params->frequency > 2150000))
-		return -EINVAL;
-
-	div = (params->frequency + (125 - 1)) / 125; // round correctly
-	data[0] = (div >> 8) & 0x7f;
-	data[1] = div & 0xff;
-	data[2] = 0x80 | ((div & 0x18000) >> 10) | 4;
-	data[3] = 0xC4;
-
-	if (params->frequency > 1530000) data[3] = 0xc0;
-
-	ret = i2c_transfer(i2c, &msg, 1);
-	if (ret != 1)
-		return -EIO;
-	return 0;
-}
-
-static struct stv0299_config alps_bsru6_config = {
-
-	.demod_address = 0x68,
-	.inittab = alps_bsru6_inittab,
-	.mclk = 88000000UL,
-	.invert = 1,
-	.skip_reinit = 0,
-	.lock_output = STV0229_LOCKOUTPUT_1,
-	.volt13_op0_op1 = STV0299_VOLT13_OP1,
-	.min_delay_ms = 100,
-	.set_symbol_rate = alps_bsru6_set_symbol_rate,
-	.pll_set = alps_bsru6_pll_set,
-};
-
-
-static u8 alps_bsbe1_inittab[] = {
-	0x01, 0x15,
-	0x02, 0x30,
-	0x03, 0x00,
-	0x04, 0x7d,   /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */
-	0x05, 0x35,   /* I2CT = 0, SCLT = 1, SDAT = 1 */
-	0x06, 0x40,   /* DAC not used, set to high impendance mode */
-	0x07, 0x00,   /* DAC LSB */
-	0x08, 0x40,   /* DiSEqC off, LNB power on OP2/LOCK pin on */
-	0x09, 0x00,   /* FIFO */
-	0x0c, 0x51,   /* OP1 ctl = Normal, OP1 val = 1 (LNB Power ON) */
-	0x0d, 0x82,   /* DC offset compensation = ON, beta_agc1 = 2 */
-	0x0e, 0x23,   /* alpha_tmg = 2, beta_tmg = 3 */
-	0x10, 0x3f,   // AGC2  0x3d
-	0x11, 0x84,
-	0x12, 0xb9,
-	0x15, 0xc9,   // lock detector threshold
-	0x16, 0x00,
-	0x17, 0x00,
-	0x18, 0x00,
-	0x19, 0x00,
-	0x1a, 0x00,
-	0x1f, 0x50,
-	0x20, 0x00,
-	0x21, 0x00,
-	0x22, 0x00,
-	0x23, 0x00,
-	0x28, 0x00,  // out imp: normal  out type: parallel FEC mode:0
-	0x29, 0x1e,  // 1/2 threshold
-	0x2a, 0x14,  // 2/3 threshold
-	0x2b, 0x0f,  // 3/4 threshold
-	0x2c, 0x09,  // 5/6 threshold
-	0x2d, 0x05,  // 7/8 threshold
-	0x2e, 0x01,
-	0x31, 0x1f,  // test all FECs
-	0x32, 0x19,  // viterbi and synchro search
-	0x33, 0xfc,  // rs control
-	0x34, 0x93,  // error control
-	0x0f, 0x92,
-	0xff, 0xff
-};
-
-static int alps_bsbe1_pll_set(struct dvb_frontend* fe, struct i2c_adapter *i2c, struct dvb_frontend_parameters* params)
-{
-	int ret;
-	u8 data[4];
-	u32 div;
-	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };
-
-	if ((params->frequency < 950000) || (params->frequency > 2150000))
-		return -EINVAL;
-
-	div = (params->frequency + (125 - 1)) / 125; // round correctly
-	data[0] = (div >> 8) & 0x7f;
-	data[1] = div & 0xff;
-	data[2] = 0x80 | ((div & 0x18000) >> 10) | 4;
-	data[3] = (params->frequency > 1530000) ? 0xE0 : 0xE4;
-
-	ret = i2c_transfer(i2c, &msg, 1);
-	return (ret != 1) ? -EIO : 0;
-}
-
-static struct stv0299_config alps_bsbe1_config = {
-	.demod_address = 0x68,
-	.inittab = alps_bsbe1_inittab,
-	.mclk = 88000000UL,
-	.invert = 1,
-	.skip_reinit = 0,
-	.min_delay_ms = 100,
-	.set_symbol_rate = alps_bsru6_set_symbol_rate,
-	.pll_set = alps_bsbe1_pll_set,
-};
-
-static int lnbp21_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage)
-{
-	struct av7110* av7110 = (struct av7110*) fe->dvb->priv;
-	int ret;
-	u8 data[1];
-	struct i2c_msg msg = { .addr = 0x08, .flags = 0, .buf = data, .len = sizeof(data) };
-
-	switch(voltage) {
-	case SEC_VOLTAGE_OFF:
-		data[0] = 0x00;
-		break;
-	case SEC_VOLTAGE_13:
-		data[0] = 0x44;
-		break;
-	case SEC_VOLTAGE_18:
-		data[0] = 0x4c;
-		break;
-	default:
-		return -EINVAL;
-	};
-
-	ret = i2c_transfer(&av7110->i2c_adap, &msg, 1);
-	return (ret != 1) ? -EIO : 0;
-}
-
-
 static int alps_tdbe2_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 {
 	struct av7110* av7110 = fe->dvb->priv;
@@ -2096,7 +1908,7 @@ static int av7110_fe_lock_fix(struct av7110* av7110, fe_status_t status)
 	if (av7110->playing)
 		return 0;
 
-	if (down_interruptible(&av7110->pid_mutex))
+	if (mutex_lock_interruptible(&av7110->pid_mutex))
 		return -ERESTARTSYS;
 
 	if (synced) {
@@ -2118,7 +1930,7 @@ static int av7110_fe_lock_fix(struct av7110* av7110, fe_status_t status)
 	if (!ret)
 		av7110->fe_synced = synced;
 
-	up(&av7110->pid_mutex);
+	mutex_unlock(&av7110->pid_mutex);
 	return ret;
 }
 
@@ -2374,9 +2186,15 @@ static int frontend_init(struct av7110 *av7110)
 			/* ALPS BSBE1 */
 			av7110->fe = stv0299_attach(&alps_bsbe1_config, &av7110->i2c_adap);
 			if (av7110->fe) {
-				av7110->fe->ops->set_voltage = lnbp21_set_voltage;
-				av7110->fe->ops->dishnetwork_send_legacy_command = NULL;
-				av7110->recover = dvb_s_recover;
+				if (lnbp21_init(av7110->fe, &av7110->i2c_adap, 0, 0)) {
+					printk("dvb-ttpci: LNBP21 not found!\n");
+					if (av7110->fe->ops->release)
+						av7110->fe->ops->release(av7110->fe);
+					av7110->fe = NULL;
+				} else {
+					av7110->fe->ops->dishnetwork_send_legacy_command = NULL;
+					av7110->recover = dvb_s_recover;
+				}
 			}
 			break;
 		}
@@ -2714,16 +2532,16 @@ static int __devinit av7110_attach(struct saa7146_dev* dev,
 	tasklet_init (&av7110->debi_tasklet, debiirq, (unsigned long) av7110);
 	tasklet_init (&av7110->gpio_tasklet, gpioirq, (unsigned long) av7110);
 
-	sema_init(&av7110->pid_mutex, 1);
+	mutex_init(&av7110->pid_mutex);
 
 	/* locks for data transfers from/to AV7110 */
 	spin_lock_init(&av7110->debilock);
-	sema_init(&av7110->dcomlock, 1);
+	mutex_init(&av7110->dcomlock);
 	av7110->debitype = -1;
 
 	/* default OSD window */
 	av7110->osdwin = 1;
-	sema_init(&av7110->osd_sema, 1);
+	mutex_init(&av7110->osd_mutex);
 
 	/* ARM "watchdog" */
 	init_waitqueue_head(&av7110->arm_wait);
diff --git a/drivers/media/dvb/ttpci/av7110.h b/drivers/media/dvb/ttpci/av7110.h
index fafd25fab83..3e2e12124ba 100644
--- a/drivers/media/dvb/ttpci/av7110.h
+++ b/drivers/media/dvb/ttpci/av7110.h
@@ -16,6 +16,7 @@
 #include <linux/dvb/ca.h>
 #include <linux/dvb/osd.h>
 #include <linux/dvb/net.h>
+#include <linux/mutex.h>
 
 #include "dvbdev.h"
 #include "demux.h"
@@ -127,7 +128,7 @@ struct av7110 {
 	/* DEBI and polled command interface */
 
 	spinlock_t		debilock;
-	struct semaphore	dcomlock;
+	struct mutex		dcomlock;
 	volatile int		debitype;
 	volatile int		debilen;
 
@@ -146,7 +147,7 @@ struct av7110 {
 
 	int			osdwin;      /* currently active window */
 	u16			osdbpp[8];
-	struct semaphore	osd_sema;
+	struct mutex		osd_mutex;
 
 	/* CA */
 
@@ -172,7 +173,7 @@ struct av7110 {
 	struct tasklet_struct   vpe_tasklet;
 
 	int			fe_synced;
-	struct semaphore	pid_mutex;
+	struct mutex		pid_mutex;
 
 	int			video_blank;
 	struct video_status	videostate;
diff --git a/drivers/media/dvb/ttpci/av7110_hw.c b/drivers/media/dvb/ttpci/av7110_hw.c
index 0bb6e74ae7f..75736f2fe83 100644
--- a/drivers/media/dvb/ttpci/av7110_hw.c
+++ b/drivers/media/dvb/ttpci/av7110_hw.c
@@ -327,10 +327,10 @@ int av7110_wait_msgstate(struct av7110 *av7110, u16 flags)
 	start = jiffies;
 	for (;;) {
 		err = time_after(jiffies, start + ARM_WAIT_FREE);
-		if (down_interruptible(&av7110->dcomlock))
+		if (mutex_lock_interruptible(&av7110->dcomlock))
 			return -ERESTARTSYS;
 		stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
-		up(&av7110->dcomlock);
+		mutex_unlock(&av7110->dcomlock);
 		if ((stat & flags) == 0)
 			break;
 		if (err) {
@@ -487,11 +487,11 @@ static int av7110_send_fw_cmd(struct av7110 *av7110, u16* buf, int length)
 		dprintk(1, "arm not ready.\n");
 		return -1;
 	}
-	if (down_interruptible(&av7110->dcomlock))
+	if (mutex_lock_interruptible(&av7110->dcomlock))
 		return -ERESTARTSYS;
 
 	ret = __av7110_send_fw_cmd(av7110, buf, length);
-	up(&av7110->dcomlock);
+	mutex_unlock(&av7110->dcomlock);
 	if (ret && ret!=-ERESTARTSYS)
 		printk(KERN_ERR "dvb-ttpci: %s(): av7110_send_fw_cmd error %d\n",
 		       __FUNCTION__, ret);
@@ -563,11 +563,11 @@ int av7110_fw_request(struct av7110 *av7110, u16 *request_buf,
 		return -1;
 	}
 
-	if (down_interruptible(&av7110->dcomlock))
+	if (mutex_lock_interruptible(&av7110->dcomlock))
 		return -ERESTARTSYS;
 
 	if ((err = __av7110_send_fw_cmd(av7110, request_buf, request_buf_len)) < 0) {
-		up(&av7110->dcomlock);
+		mutex_unlock(&av7110->dcomlock);
 		printk(KERN_ERR "dvb-ttpci: av7110_fw_request error %d\n", err);
 		return err;
 	}
@@ -579,7 +579,7 @@ int av7110_fw_request(struct av7110 *av7110, u16 *request_buf,
 			break;
 		if (err) {
 			printk(KERN_ERR "%s: timeout waiting for COMMAND to complete\n", __FUNCTION__);
-			up(&av7110->dcomlock);
+			mutex_unlock(&av7110->dcomlock);
 			return -ETIMEDOUT;
 		}
 #ifdef _NOHANDSHAKE
@@ -595,7 +595,7 @@ int av7110_fw_request(struct av7110 *av7110, u16 *request_buf,
 			break;
 		if (err) {
 			printk(KERN_ERR "%s: timeout waiting for HANDSHAKE_REG\n", __FUNCTION__);
-			up(&av7110->dcomlock);
+			mutex_unlock(&av7110->dcomlock);
 			return -ETIMEDOUT;
 		}
 		msleep(1);
@@ -606,12 +606,12 @@ int av7110_fw_request(struct av7110 *av7110, u16 *request_buf,
 	stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
 	if (stat & GPMQOver) {
 		printk(KERN_ERR "%s: GPMQOver\n", __FUNCTION__);
-		up(&av7110->dcomlock);
+		mutex_unlock(&av7110->dcomlock);
 		return -1;
 	}
 	else if (stat & OSDQOver) {
 		printk(KERN_ERR "%s: OSDQOver\n", __FUNCTION__);
-		up(&av7110->dcomlock);
+		mutex_unlock(&av7110->dcomlock);
 		return -1;
 	}
 #endif
@@ -619,7 +619,7 @@ int av7110_fw_request(struct av7110 *av7110, u16 *request_buf,
 	for (i = 0; i < reply_buf_len; i++)
 		reply_buf[i] = rdebi(av7110, DEBINOSWAP, COM_BUFF + 2 * i, 0, 2);
 
-	up(&av7110->dcomlock);
+	mutex_unlock(&av7110->dcomlock);
 	return 0;
 }
 
@@ -735,7 +735,7 @@ static int FlushText(struct av7110 *av7110)
 	unsigned long start;
 	int err;
 
-	if (down_interruptible(&av7110->dcomlock))
+	if (mutex_lock_interruptible(&av7110->dcomlock))
 		return -ERESTARTSYS;
 	start = jiffies;
 	while (1) {
@@ -745,12 +745,12 @@ static int FlushText(struct av7110 *av7110)
 		if (err) {
 			printk(KERN_ERR "dvb-ttpci: %s(): timeout waiting for BUFF1_BASE == 0\n",
 			       __FUNCTION__);
-			up(&av7110->dcomlock);
+			mutex_unlock(&av7110->dcomlock);
 			return -ETIMEDOUT;
 		}
 		msleep(1);
 	}
-	up(&av7110->dcomlock);
+	mutex_unlock(&av7110->dcomlock);
 	return 0;
 }
 
@@ -761,7 +761,7 @@ static int WriteText(struct av7110 *av7110, u8 win, u16 x, u16 y, u8* buf)
 	int length = strlen(buf) + 1;
 	u16 cbuf[5] = { (COMTYPE_OSD << 8) + DText, 3, win, x, y };
 
-	if (down_interruptible(&av7110->dcomlock))
+	if (mutex_lock_interruptible(&av7110->dcomlock))
 		return -ERESTARTSYS;
 
 	start = jiffies;
@@ -772,7 +772,7 @@ static int WriteText(struct av7110 *av7110, u8 win, u16 x, u16 y, u8* buf)
 		if (ret) {
 			printk(KERN_ERR "dvb-ttpci: %s: timeout waiting for BUFF1_BASE == 0\n",
 			       __FUNCTION__);
-			up(&av7110->dcomlock);
+			mutex_unlock(&av7110->dcomlock);
 			return -ETIMEDOUT;
 		}
 		msleep(1);
@@ -786,7 +786,7 @@ static int WriteText(struct av7110 *av7110, u8 win, u16 x, u16 y, u8* buf)
 		if (ret) {
 			printk(KERN_ERR "dvb-ttpci: %s: timeout waiting for HANDSHAKE_REG\n",
 			       __FUNCTION__);
-			up(&av7110->dcomlock);
+			mutex_unlock(&av7110->dcomlock);
 			return -ETIMEDOUT;
 		}
 		msleep(1);
@@ -798,7 +798,7 @@ static int WriteText(struct av7110 *av7110, u8 win, u16 x, u16 y, u8* buf)
 	if (length & 1)
 		wdebi(av7110, DEBINOSWAP, BUFF1_BASE + i * 2, 0, 2);
 	ret = __av7110_send_fw_cmd(av7110, cbuf, 5);
-	up(&av7110->dcomlock);
+	mutex_unlock(&av7110->dcomlock);
 	if (ret && ret!=-ERESTARTSYS)
 		printk(KERN_ERR "dvb-ttpci: WriteText error %d\n", ret);
 	return ret;
@@ -1062,7 +1062,7 @@ int av7110_osd_cmd(struct av7110 *av7110, osd_cmd_t *dc)
 {
 	int ret;
 
-	if (down_interruptible(&av7110->osd_sema))
+	if (mutex_lock_interruptible(&av7110->osd_mutex))
 		return -ERESTARTSYS;
 
 	switch (dc->cmd) {
@@ -1198,7 +1198,7 @@ int av7110_osd_cmd(struct av7110 *av7110, osd_cmd_t *dc)
 		break;
 	}
 
-	up(&av7110->osd_sema);
+	mutex_unlock(&av7110->osd_mutex);
 	if (ret==-ERESTARTSYS)
 		dprintk(1, "av7110_osd_cmd(%d) returns with -ERESTARTSYS\n",dc->cmd);
 	else if (ret)
diff --git a/drivers/media/dvb/ttpci/av7110_v4l.c b/drivers/media/dvb/ttpci/av7110_v4l.c
index 94cf38c7e8a..2f23ceab8d4 100644
--- a/drivers/media/dvb/ttpci/av7110_v4l.c
+++ b/drivers/media/dvb/ttpci/av7110_v4l.c
@@ -579,14 +579,11 @@ static ssize_t av7110_vbi_write(struct file *file, const char __user *data, size
 		return -EFAULT;
 	if ((d.id != 0 && d.id != V4L2_SLICED_WSS_625) || d.field != 0 || d.line != 23)
 		return -EINVAL;
-	if (d.id) {
+	if (d.id)
 		av7110->wssData = ((d.data[1] << 8) & 0x3f00) | d.data[0];
-		rc = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetWSSConfig,
-				   2, 1, av7110->wssData);
-	} else {
-		av7110->wssData = 0;
-		rc = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetWSSConfig, 1, 0);
-	}
+	else
+		av7110->wssData = 0x8000;
+	rc = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetWSSConfig, 2, 1, av7110->wssData);
 	return (rc < 0) ? rc : count;
 }
 
diff --git a/drivers/media/dvb/ttpci/budget-av.c b/drivers/media/dvb/ttpci/budget-av.c
index 1465c04e49a..9dd4745f531 100644
--- a/drivers/media/dvb/ttpci/budget-av.c
+++ b/drivers/media/dvb/ttpci/budget-av.c
@@ -1000,6 +1000,7 @@ static u8 read_pwm(struct budget_av *budget_av)
 
 #define SUBID_DVBS_TV_STAR	0x0014
 #define SUBID_DVBS_TV_STAR_CI	0x0016
+#define SUBID_DVBS_EASYWATCH	0x001e
 #define SUBID_DVBC_KNC1		0x0020
 #define SUBID_DVBC_KNC1_PLUS	0x0021
 #define SUBID_DVBC_CINERGY1200	0x1156
@@ -1038,6 +1039,7 @@ static void frontend_init(struct budget_av *budget_av)
 	case SUBID_DVBS_TV_STAR:
 	case SUBID_DVBS_TV_STAR_CI:
 	case SUBID_DVBS_CYNERGY1200N:
+	case SUBID_DVBS_EASYWATCH:
 		fe = stv0299_attach(&philips_sd1878_config,
 				&budget_av->budget.i2c_adap);
 		break;
@@ -1285,6 +1287,7 @@ MAKE_BUDGET_INFO(knc1s, "KNC1 DVB-S", BUDGET_KNC1S);
 MAKE_BUDGET_INFO(knc1c, "KNC1 DVB-C", BUDGET_KNC1C);
 MAKE_BUDGET_INFO(knc1t, "KNC1 DVB-T", BUDGET_KNC1T);
 MAKE_BUDGET_INFO(kncxs, "KNC TV STAR DVB-S", BUDGET_TVSTAR);
+MAKE_BUDGET_INFO(satewpls, "Satelco EasyWatch DVB-S light", BUDGET_TVSTAR);
 MAKE_BUDGET_INFO(knc1sp, "KNC1 DVB-S Plus", BUDGET_KNC1SP);
 MAKE_BUDGET_INFO(knc1cp, "KNC1 DVB-C Plus", BUDGET_KNC1CP);
 MAKE_BUDGET_INFO(knc1tp, "KNC1 DVB-T Plus", BUDGET_KNC1TP);
@@ -1300,6 +1303,7 @@ static struct pci_device_id pci_tbl[] = {
 	MAKE_EXTENSION_PCI(knc1sp, 0x1131, 0x0011),
 	MAKE_EXTENSION_PCI(kncxs, 0x1894, 0x0014),
 	MAKE_EXTENSION_PCI(kncxs, 0x1894, 0x0016),
+	MAKE_EXTENSION_PCI(satewpls, 0x1894, 0x001e),
 	MAKE_EXTENSION_PCI(knc1c, 0x1894, 0x0020),
 	MAKE_EXTENSION_PCI(knc1cp, 0x1894, 0x0021),
 	MAKE_EXTENSION_PCI(knc1t, 0x1894, 0x0030),
diff --git a/drivers/media/dvb/ttpci/budget-ci.c b/drivers/media/dvb/ttpci/budget-ci.c
index b9b3cd9c036..5f91036f5b8 100644
--- a/drivers/media/dvb/ttpci/budget-ci.c
+++ b/drivers/media/dvb/ttpci/budget-ci.c
@@ -42,6 +42,9 @@
 #include "stv0299.h"
 #include "stv0297.h"
 #include "tda1004x.h"
+#include "lnbp21.h"
+#include "bsbe1.h"
+#include "bsru6.h"
 
 #define DEBIADDR_IR		0x1234
 #define DEBIADDR_CICONTROL	0x0000
@@ -474,123 +477,6 @@ static void budget_ci_irq(struct saa7146_dev *dev, u32 * isr)
 		tasklet_schedule(&budget_ci->ciintf_irq_tasklet);
 }
 
-
-static u8 alps_bsru6_inittab[] = {
-	0x01, 0x15,
-	0x02, 0x00,
-	0x03, 0x00,
-	0x04, 0x7d,		/* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */
-	0x05, 0x35,		/* I2CT = 0, SCLT = 1, SDAT = 1 */
-	0x06, 0x40,		/* DAC not used, set to high impendance mode */
-	0x07, 0x00,		/* DAC LSB */
-	0x08, 0x40,		/* DiSEqC off, LNB power on OP2/LOCK pin on */
-	0x09, 0x00,		/* FIFO */
-	0x0c, 0x51,		/* OP1 ctl = Normal, OP1 val = 1 (LNB Power ON) */
-	0x0d, 0x82,		/* DC offset compensation = ON, beta_agc1 = 2 */
-	0x0e, 0x23,		/* alpha_tmg = 2, beta_tmg = 3 */
-	0x10, 0x3f,		// AGC2  0x3d
-	0x11, 0x84,
-	0x12, 0xb9,
-	0x15, 0xc9,		// lock detector threshold
-	0x16, 0x00,
-	0x17, 0x00,
-	0x18, 0x00,
-	0x19, 0x00,
-	0x1a, 0x00,
-	0x1f, 0x50,
-	0x20, 0x00,
-	0x21, 0x00,
-	0x22, 0x00,
-	0x23, 0x00,
-	0x28, 0x00,		// out imp: normal  out type: parallel FEC mode:0
-	0x29, 0x1e,		// 1/2 threshold
-	0x2a, 0x14,		// 2/3 threshold
-	0x2b, 0x0f,		// 3/4 threshold
-	0x2c, 0x09,		// 5/6 threshold
-	0x2d, 0x05,		// 7/8 threshold
-	0x2e, 0x01,
-	0x31, 0x1f,		// test all FECs
-	0x32, 0x19,		// viterbi and synchro search
-	0x33, 0xfc,		// rs control
-	0x34, 0x93,		// error control
-	0x0f, 0x52,
-	0xff, 0xff
-};
-
-static int alps_bsru6_set_symbol_rate(struct dvb_frontend *fe, u32 srate, u32 ratio)
-{
-	u8 aclk = 0;
-	u8 bclk = 0;
-
-	if (srate < 1500000) {
-		aclk = 0xb7;
-		bclk = 0x47;
-	} else if (srate < 3000000) {
-		aclk = 0xb7;
-		bclk = 0x4b;
-	} else if (srate < 7000000) {
-		aclk = 0xb7;
-		bclk = 0x4f;
-	} else if (srate < 14000000) {
-		aclk = 0xb7;
-		bclk = 0x53;
-	} else if (srate < 30000000) {
-		aclk = 0xb6;
-		bclk = 0x53;
-	} else if (srate < 45000000) {
-		aclk = 0xb4;
-		bclk = 0x51;
-	}
-
-	stv0299_writereg(fe, 0x13, aclk);
-	stv0299_writereg(fe, 0x14, bclk);
-	stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff);
-	stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff);
-	stv0299_writereg(fe, 0x21, (ratio) & 0xf0);
-
-	return 0;
-}
-
-static int alps_bsru6_pll_set(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dvb_frontend_parameters *params)
-{
-	u8 buf[4];
-	u32 div;
-	struct i2c_msg msg = {.addr = 0x61,.flags = 0,.buf = buf,.len = sizeof(buf) };
-
-	if ((params->frequency < 950000) || (params->frequency > 2150000))
-		return -EINVAL;
-
-	div = (params->frequency + (125 - 1)) / 125;	// round correctly
-	buf[0] = (div >> 8) & 0x7f;
-	buf[1] = div & 0xff;
-	buf[2] = 0x80 | ((div & 0x18000) >> 10) | 4;
-	buf[3] = 0xC4;
-
-	if (params->frequency > 1530000)
-		buf[3] = 0xc0;
-
-	if (i2c_transfer(i2c, &msg, 1) != 1)
-		return -EIO;
-	return 0;
-}
-
-static struct stv0299_config alps_bsru6_config = {
-
-	.demod_address = 0x68,
-	.inittab = alps_bsru6_inittab,
-	.mclk = 88000000UL,
-	.invert = 1,
-	.skip_reinit = 0,
-	.lock_output = STV0229_LOCKOUTPUT_1,
-	.volt13_op0_op1 = STV0299_VOLT13_OP1,
-	.min_delay_ms = 100,
-	.set_symbol_rate = alps_bsru6_set_symbol_rate,
-	.pll_set = alps_bsru6_pll_set,
-};
-
-
-
-
 static u8 philips_su1278_tt_inittab[] = {
 	0x01, 0x0f,
 	0x02, 0x30,
@@ -1069,6 +955,20 @@ static void frontend_init(struct budget_ci *budget_ci)
 			break;
 		}
 		break;
+
+	case 0x1017:		// TT S-1500 PCI
+		budget_ci->budget.dvb_frontend = stv0299_attach(&alps_bsbe1_config, &budget_ci->budget.i2c_adap);
+		if (budget_ci->budget.dvb_frontend) {
+			budget_ci->budget.dvb_frontend->ops->dishnetwork_send_legacy_command = NULL;
+			if (lnbp21_init(budget_ci->budget.dvb_frontend, &budget_ci->budget.i2c_adap, LNBP21_LLC, 0)) {
+				printk("%s: No LNBP21 found!\n", __FUNCTION__);
+				if (budget_ci->budget.dvb_frontend->ops->release)
+					budget_ci->budget.dvb_frontend->ops->release(budget_ci->budget.dvb_frontend);
+				budget_ci->budget.dvb_frontend = NULL;
+			}
+		}
+
+		break;
 	}
 
 	if (budget_ci->budget.dvb_frontend == NULL) {
@@ -1146,6 +1046,7 @@ static int budget_ci_detach(struct saa7146_dev *dev)
 
 static struct saa7146_extension budget_extension;
 
+MAKE_BUDGET_INFO(ttbs2, "TT-Budget/S-1500 PCI", BUDGET_TT);
 MAKE_BUDGET_INFO(ttbci, "TT-Budget/WinTV-NOVA-CI PCI", BUDGET_TT_HW_DISEQC);
 MAKE_BUDGET_INFO(ttbt2, "TT-Budget/WinTV-NOVA-T	 PCI", BUDGET_TT);
 MAKE_BUDGET_INFO(ttbtci, "TT-Budget-T-CI PCI", BUDGET_TT);
@@ -1157,6 +1058,7 @@ static struct pci_device_id pci_tbl[] = {
 	MAKE_EXTENSION_PCI(ttbcci, 0x13c2, 0x1010),
 	MAKE_EXTENSION_PCI(ttbt2, 0x13c2, 0x1011),
 	MAKE_EXTENSION_PCI(ttbtci, 0x13c2, 0x1012),
+	MAKE_EXTENSION_PCI(ttbs2, 0x13c2, 0x1017),
 	{
 	 .vendor = 0,
 	 }
diff --git a/drivers/media/dvb/ttpci/budget-patch.c b/drivers/media/dvb/ttpci/budget-patch.c
index fc416cf5253..9fc9185a842 100644
--- a/drivers/media/dvb/ttpci/budget-patch.c
+++ b/drivers/media/dvb/ttpci/budget-patch.c
@@ -37,6 +37,8 @@
 #include "ves1x93.h"
 #include "tda8083.h"
 
+#include "bsru6.h"
+
 #define budget_patch budget
 
 static struct saa7146_extension budget_extension;
@@ -290,103 +292,6 @@ static struct ves1x93_config alps_bsrv2_config = {
 	.pll_set = alps_bsrv2_pll_set,
 };
 
-static u8 alps_bsru6_inittab[] = {
-	0x01, 0x15,
-	0x02, 0x00,
-	0x03, 0x00,
-	0x04, 0x7d,   /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */
-	0x05, 0x35,   /* I2CT = 0, SCLT = 1, SDAT = 1 */
-	0x06, 0x40,   /* DAC not used, set to high impendance mode */
-	0x07, 0x00,   /* DAC LSB */
-	0x08, 0x40,   /* DiSEqC off, LNB power on OP2/LOCK pin on */
-	0x09, 0x00,   /* FIFO */
-	0x0c, 0x51,   /* OP1 ctl = Normal, OP1 val = 1 (LNB Power ON) */
-	0x0d, 0x82,   /* DC offset compensation = ON, beta_agc1 = 2 */
-	0x0e, 0x23,   /* alpha_tmg = 2, beta_tmg = 3 */
-	0x10, 0x3f,   // AGC2  0x3d
-	0x11, 0x84,
-	0x12, 0xb9,
-	0x15, 0xc9,   // lock detector threshold
-	0x16, 0x00,
-	0x17, 0x00,
-	0x18, 0x00,
-	0x19, 0x00,
-	0x1a, 0x00,
-	0x1f, 0x50,
-	0x20, 0x00,
-	0x21, 0x00,
-	0x22, 0x00,
-	0x23, 0x00,
-	0x28, 0x00,  // out imp: normal  out type: parallel FEC mode:0
-	0x29, 0x1e,  // 1/2 threshold
-	0x2a, 0x14,  // 2/3 threshold
-	0x2b, 0x0f,  // 3/4 threshold
-	0x2c, 0x09,  // 5/6 threshold
-	0x2d, 0x05,  // 7/8 threshold
-	0x2e, 0x01,
-	0x31, 0x1f,  // test all FECs
-	0x32, 0x19,  // viterbi and synchro search
-	0x33, 0xfc,  // rs control
-	0x34, 0x93,  // error control
-	0x0f, 0x52,
-	0xff, 0xff
-};
-
-static int alps_bsru6_set_symbol_rate(struct dvb_frontend* fe, u32 srate, u32 ratio)
-{
-	u8 aclk = 0;
-	u8 bclk = 0;
-
-	if (srate < 1500000) { aclk = 0xb7; bclk = 0x47; }
-	else if (srate < 3000000) { aclk = 0xb7; bclk = 0x4b; }
-	else if (srate < 7000000) { aclk = 0xb7; bclk = 0x4f; }
-	else if (srate < 14000000) { aclk = 0xb7; bclk = 0x53; }
-	else if (srate < 30000000) { aclk = 0xb6; bclk = 0x53; }
-	else if (srate < 45000000) { aclk = 0xb4; bclk = 0x51; }
-
-	stv0299_writereg (fe, 0x13, aclk);
-	stv0299_writereg (fe, 0x14, bclk);
-	stv0299_writereg (fe, 0x1f, (ratio >> 16) & 0xff);
-	stv0299_writereg (fe, 0x20, (ratio >>  8) & 0xff);
-	stv0299_writereg (fe, 0x21, (ratio      ) & 0xf0);
-
-	return 0;
-}
-
-static int alps_bsru6_pll_set(struct dvb_frontend* fe, struct i2c_adapter *i2c, struct dvb_frontend_parameters* params)
-{
-	u8 data[4];
-	u32 div;
-	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };
-
-	if ((params->frequency < 950000) || (params->frequency > 2150000)) return -EINVAL;
-
-	div = (params->frequency + (125 - 1)) / 125; // round correctly
-	data[0] = (div >> 8) & 0x7f;
-	data[1] = div & 0xff;
-	data[2] = 0x80 | ((div & 0x18000) >> 10) | 4;
-	data[3] = 0xC4;
-
-	if (params->frequency > 1530000) data[3] = 0xc0;
-
-	if (i2c_transfer(i2c, &msg, 1) != 1) return -EIO;
-	return 0;
-}
-
-static struct stv0299_config alps_bsru6_config = {
-
-	.demod_address = 0x68,
-	.inittab = alps_bsru6_inittab,
-	.mclk = 88000000UL,
-	.invert = 1,
-	.skip_reinit = 0,
-	.lock_output = STV0229_LOCKOUTPUT_1,
-	.volt13_op0_op1 = STV0299_VOLT13_OP1,
-	.min_delay_ms = 100,
-	.set_symbol_rate = alps_bsru6_set_symbol_rate,
-	.pll_set = alps_bsru6_pll_set,
-};
-
 static int grundig_29504_451_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 {
 	struct budget_patch* budget = (struct budget_patch*) fe->dvb->priv;
diff --git a/drivers/media/dvb/ttpci/budget.c b/drivers/media/dvb/ttpci/budget.c
index 238c77b52f8..c23c02d9564 100644
--- a/drivers/media/dvb/ttpci/budget.c
+++ b/drivers/media/dvb/ttpci/budget.c
@@ -41,6 +41,8 @@
 #include "l64781.h"
 #include "tda8083.h"
 #include "s5h1420.h"
+#include "lnbp21.h"
+#include "bsru6.h"
 
 static void Set22K (struct budget *budget, int state)
 {
@@ -184,64 +186,6 @@ static int budget_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t m
 	return 0;
 }
 
-static int lnbp21_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage)
-{
-	struct budget* budget = (struct budget*) fe->dvb->priv;
-	u8 buf;
-	struct i2c_msg msg = { .addr = 0x08, .flags = I2C_M_RD, .buf = &buf, .len = sizeof(buf) };
-
-	if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
-
-	switch(voltage) {
-	case SEC_VOLTAGE_13:
-		buf = (buf & 0xf7) | 0x04;
-		break;
-
-	case SEC_VOLTAGE_18:
-		buf = (buf & 0xf7) | 0x0c;
-		break;
-
-	case SEC_VOLTAGE_OFF:
-		buf = buf & 0xf0;
-		break;
-	}
-
-	msg.flags = 0;
-	if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
-
-	return 0;
-}
-
-static int lnbp21_enable_high_lnb_voltage(struct dvb_frontend* fe, long arg)
-{
-	struct budget* budget = (struct budget*) fe->dvb->priv;
-	u8 buf;
-	struct i2c_msg msg = { .addr = 0x08, .flags = I2C_M_RD, .buf = &buf, .len = sizeof(buf) };
-
-	if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
-
-	if (arg) {
-		buf = buf | 0x10;
-	} else {
-		buf = buf & 0xef;
-	}
-
-	msg.flags = 0;
-	if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
-
-	return 0;
-}
-
-static int lnbp21_init(struct budget* budget)
-{
-	u8 buf = 0x00;
-	struct i2c_msg msg = { .addr = 0x08, .flags = 0, .buf = &buf, .len = sizeof(buf) };
-
-	if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1)
-		return -EIO;
-	return 0;
-}
-
 static int alps_bsrv2_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 {
 	struct budget* budget = (struct budget*) fe->dvb->priv;
@@ -277,176 +221,6 @@ static struct ves1x93_config alps_bsrv2_config =
 	.pll_set = alps_bsrv2_pll_set,
 };
 
-static u8 alps_bsru6_inittab[] = {
-	0x01, 0x15,
-	0x02, 0x00,
-	0x03, 0x00,
-	0x04, 0x7d,   /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */
-	0x05, 0x35,   /* I2CT = 0, SCLT = 1, SDAT = 1 */
-	0x06, 0x40,   /* DAC not used, set to high impendance mode */
-	0x07, 0x00,   /* DAC LSB */
-	0x08, 0x40,   /* DiSEqC off, LNB power on OP2/LOCK pin on */
-	0x09, 0x00,   /* FIFO */
-	0x0c, 0x51,   /* OP1 ctl = Normal, OP1 val = 1 (LNB Power ON) */
-	0x0d, 0x82,   /* DC offset compensation = ON, beta_agc1 = 2 */
-	0x0e, 0x23,   /* alpha_tmg = 2, beta_tmg = 3 */
-	0x10, 0x3f,   // AGC2  0x3d
-	0x11, 0x84,
-	0x12, 0xb9,
-	0x15, 0xc9,   // lock detector threshold
-	0x16, 0x00,
-	0x17, 0x00,
-	0x18, 0x00,
-	0x19, 0x00,
-	0x1a, 0x00,
-	0x1f, 0x50,
-	0x20, 0x00,
-	0x21, 0x00,
-	0x22, 0x00,
-	0x23, 0x00,
-	0x28, 0x00,  // out imp: normal  out type: parallel FEC mode:0
-	0x29, 0x1e,  // 1/2 threshold
-	0x2a, 0x14,  // 2/3 threshold
-	0x2b, 0x0f,  // 3/4 threshold
-	0x2c, 0x09,  // 5/6 threshold
-	0x2d, 0x05,  // 7/8 threshold
-	0x2e, 0x01,
-	0x31, 0x1f,  // test all FECs
-	0x32, 0x19,  // viterbi and synchro search
-	0x33, 0xfc,  // rs control
-	0x34, 0x93,  // error control
-	0x0f, 0x52,
-	0xff, 0xff
-};
-
-static int alps_bsru6_set_symbol_rate(struct dvb_frontend* fe, u32 srate, u32 ratio)
-{
-	u8 aclk = 0;
-	u8 bclk = 0;
-
-	if (srate < 1500000) { aclk = 0xb7; bclk = 0x47; }
-	else if (srate < 3000000) { aclk = 0xb7; bclk = 0x4b; }
-	else if (srate < 7000000) { aclk = 0xb7; bclk = 0x4f; }
-	else if (srate < 14000000) { aclk = 0xb7; bclk = 0x53; }
-	else if (srate < 30000000) { aclk = 0xb6; bclk = 0x53; }
-	else if (srate < 45000000) { aclk = 0xb4; bclk = 0x51; }
-
-	stv0299_writereg (fe, 0x13, aclk);
-	stv0299_writereg (fe, 0x14, bclk);
-	stv0299_writereg (fe, 0x1f, (ratio >> 16) & 0xff);
-	stv0299_writereg (fe, 0x20, (ratio >>  8) & 0xff);
-	stv0299_writereg (fe, 0x21, (ratio      ) & 0xf0);
-
-	return 0;
-}
-
-static int alps_bsru6_pll_set(struct dvb_frontend* fe, struct i2c_adapter *i2c, struct dvb_frontend_parameters* params)
-{
-	u8 data[4];
-	u32 div;
-	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };
-
-	if ((params->frequency < 950000) || (params->frequency > 2150000)) return -EINVAL;
-
-	div = (params->frequency + (125 - 1)) / 125; // round correctly
-	data[0] = (div >> 8) & 0x7f;
-	data[1] = div & 0xff;
-	data[2] = 0x80 | ((div & 0x18000) >> 10) | 4;
-	data[3] = 0xC4;
-
-	if (params->frequency > 1530000) data[3] = 0xc0;
-
-	if (i2c_transfer(i2c, &msg, 1) != 1) return -EIO;
-	return 0;
-}
-
-static struct stv0299_config alps_bsru6_config = {
-
-	.demod_address = 0x68,
-	.inittab = alps_bsru6_inittab,
-	.mclk = 88000000UL,
-	.invert = 1,
-	.skip_reinit = 0,
-	.lock_output = STV0229_LOCKOUTPUT_1,
-	.volt13_op0_op1 = STV0299_VOLT13_OP1,
-	.min_delay_ms = 100,
-	.set_symbol_rate = alps_bsru6_set_symbol_rate,
-	.pll_set = alps_bsru6_pll_set,
-};
-
-static u8 alps_bsbe1_inittab[] = {
-	0x01, 0x15,
-	0x02, 0x30,
-	0x03, 0x00,
-	0x04, 0x7d,  /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */
-	0x05, 0x35,  /* I2CT = 0, SCLT = 1, SDAT = 1 */
-	0x06, 0x40,  /* DAC not used, set to high impendance mode */
-	0x07, 0x00,  /* DAC LSB */
-	0x08, 0x40,  /* DiSEqC off, LNB power on OP2/LOCK pin on */
-	0x09, 0x00,  /* FIFO */
-	0x0c, 0x51,  /* OP1 ctl = Normal, OP1 val = 1 (LNB Power ON) */
-	0x0d, 0x82,  /* DC offset compensation = ON, beta_agc1 = 2 */
-	0x0e, 0x23,  /* alpha_tmg = 2, beta_tmg = 3 */
-	0x10, 0x3f,  // AGC2 0x3d
-	0x11, 0x84,
-	0x12, 0xb9,
-	0x15, 0xc9,  // lock detector threshold
-	0x16, 0x00,
-	0x17, 0x00,
-	0x18, 0x00,
-	0x19, 0x00,
-	0x1a, 0x00,
-	0x1f, 0x50,
-	0x20, 0x00,
-	0x21, 0x00,
-	0x22, 0x00,
-	0x23, 0x00,
-	0x28, 0x00, // out imp: normal out type: parallel FEC mode:0
-	0x29, 0x1e, // 1/2 threshold
-	0x2a, 0x14, // 2/3 threshold
-	0x2b, 0x0f, // 3/4 threshold
-	0x2c, 0x09, // 5/6 threshold
-	0x2d, 0x05, // 7/8 threshold
-	0x2e, 0x01,
-	0x31, 0x1f, // test all FECs
-	0x32, 0x19, // viterbi and synchro search
-	0x33, 0xfc, // rs control
-	0x34, 0x93, // error control
-	0x0f, 0x92, // 0x80 = inverse AGC
-	0xff, 0xff
-};
-
-static int alps_bsbe1_pll_set(struct dvb_frontend* fe, struct i2c_adapter *i2c, struct dvb_frontend_parameters* params)
-{
-	int ret;
-	u8 data[4];
-	u32 div;
-	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };
-
-	if ((params->frequency < 950000) || (params->frequency > 2150000))
-		return -EINVAL;
-
-	div = (params->frequency + (125 - 1)) / 125; // round correctly
-	data[0] = (div >> 8) & 0x7f;
-	data[1] = div & 0xff;
-	data[2] = 0x80 | ((div & 0x18000) >> 10) | 4;
-	data[3] = (params->frequency > 1530000) ? 0xE0 : 0xE4;
-
-	ret = i2c_transfer(i2c, &msg, 1);
-	return (ret != 1) ? -EIO : 0;
-}
-
-static struct stv0299_config alps_bsbe1_config = {
-	.demod_address = 0x68,
-	.inittab = alps_bsbe1_inittab,
-	.mclk = 88000000UL,
-	.invert = 1,
-	.skip_reinit = 0,
-	.min_delay_ms = 100,
-	.set_symbol_rate = alps_bsru6_set_symbol_rate,
-	.pll_set = alps_bsbe1_pll_set,
-};
-
 static int alps_tdbe2_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 {
 	struct budget* budget = (struct budget*) fe->dvb->priv;
@@ -580,20 +354,6 @@ static u8 read_pwm(struct budget* budget)
 static void frontend_init(struct budget *budget)
 {
 	switch(budget->dev->pci->subsystem_device) {
-	case 0x1017:
-		// try the ALPS BSBE1 now
-		budget->dvb_frontend = stv0299_attach(&alps_bsbe1_config, &budget->i2c_adap);
-		if (budget->dvb_frontend) {
-			budget->dvb_frontend->ops->set_voltage = lnbp21_set_voltage;
-			budget->dvb_frontend->ops->enable_high_lnb_voltage = lnbp21_enable_high_lnb_voltage;
-			budget->dvb_frontend->ops->dishnetwork_send_legacy_command = NULL;
-			if (lnbp21_init(budget)) {
-				printk("%s: No LNBP21 found!\n", __FUNCTION__);
-				goto error_out;
-			}
-		}
-
-		break;
 	case 0x1003: // Hauppauge/TT Nova budget (stv0299/ALPS BSRU6(tsa5059) OR ves1893/ALPS BSRV2(sp5659))
 	case 0x1013:
 		// try the ALPS BSRV2 first of all
@@ -646,9 +406,7 @@ static void frontend_init(struct budget *budget)
 	case 0x1016: // Hauppauge/TT Nova-S SE (samsung s5h1420/????(tda8260))
 		budget->dvb_frontend = s5h1420_attach(&s5h1420_config, &budget->i2c_adap);
 		if (budget->dvb_frontend) {
-			budget->dvb_frontend->ops->set_voltage = lnbp21_set_voltage;
-			budget->dvb_frontend->ops->enable_high_lnb_voltage = lnbp21_enable_high_lnb_voltage;
-			if (lnbp21_init(budget)) {
+			if (lnbp21_init(budget->dvb_frontend, &budget->i2c_adap, 0, 0)) {
 				printk("%s: No LNBP21 found!\n", __FUNCTION__);
 				goto error_out;
 			}
@@ -719,7 +477,6 @@ static int budget_detach (struct saa7146_dev* dev)
 
 static struct saa7146_extension budget_extension;
 
-MAKE_BUDGET_INFO(ttbs2, "TT-Budget/WinTV-NOVA-S PCI (rev AL/alps bsbe1 lnbp21 frontend)", BUDGET_TT);
 MAKE_BUDGET_INFO(ttbs,	"TT-Budget/WinTV-NOVA-S  PCI",	BUDGET_TT);
 MAKE_BUDGET_INFO(ttbc,	"TT-Budget/WinTV-NOVA-C  PCI",	BUDGET_TT);
 MAKE_BUDGET_INFO(ttbt,	"TT-Budget/WinTV-NOVA-T  PCI",	BUDGET_TT);
@@ -732,7 +489,6 @@ static struct pci_device_id pci_tbl[] = {
 	MAKE_EXTENSION_PCI(ttbc,  0x13c2, 0x1004),
 	MAKE_EXTENSION_PCI(ttbt,  0x13c2, 0x1005),
 	MAKE_EXTENSION_PCI(satel, 0x13c2, 0x1013),
-	MAKE_EXTENSION_PCI(ttbs2, 0x13c2, 0x1017),
 	MAKE_EXTENSION_PCI(ttbs,  0x13c2, 0x1016),
 	MAKE_EXTENSION_PCI(fsacs1,0x1131, 0x4f60),
 	MAKE_EXTENSION_PCI(fsacs0,0x1131, 0x4f61),
diff --git a/drivers/media/dvb/ttpci/budget.h b/drivers/media/dvb/ttpci/budget.h
index c7bb63c4d98..4ac0f4d0802 100644
--- a/drivers/media/dvb/ttpci/budget.h
+++ b/drivers/media/dvb/ttpci/budget.h
@@ -10,6 +10,8 @@
 #include "dvb_net.h"
 
 #include <linux/module.h>
+#include <linux/mutex.h>
+
 #include <media/saa7146.h>
 
 extern int budget_debug;
@@ -51,7 +53,7 @@ struct budget {
 	struct dmx_frontend mem_frontend;
 
 	int fe_synced;
-	struct semaphore pid_mutex;
+	struct mutex pid_mutex;
 
 	int ci_present;
 	int video_port;
diff --git a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
index 5a13c4744f6..248fdc7accf 100644
--- a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
+++ b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
@@ -19,7 +19,7 @@
 #include <linux/time.h>
 #include <linux/errno.h>
 #include <linux/jiffies.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 
 #include "dvb_frontend.h"
 #include "dmxdev.h"
@@ -35,7 +35,6 @@
 #include <linux/dvb/dmx.h>
 #include <linux/pci.h>
 
-
 /*
   TTUSB_HWSECTIONS:
     the DSP supports filtering in hardware, however, since the "muxstream"
@@ -83,8 +82,8 @@ struct ttusb {
 	struct dvb_net dvbnet;
 
 	/* and one for USB access. */
-	struct semaphore semi2c;
-	struct semaphore semusb;
+	struct mutex semi2c;
+	struct mutex semusb;
 
 	struct dvb_adapter adapter;
 	struct usb_device *dev;
@@ -150,7 +149,7 @@ static int ttusb_cmd(struct ttusb *ttusb,
 	printk("\n");
 #endif
 
-	if (down_interruptible(&ttusb->semusb) < 0)
+	if (mutex_lock_interruptible(&ttusb->semusb) < 0)
 		return -EAGAIN;
 
 	err = usb_bulk_msg(ttusb->dev, ttusb->bulk_out_pipe,
@@ -158,13 +157,13 @@ static int ttusb_cmd(struct ttusb *ttusb,
 	if (err != 0) {
 		dprintk("%s: usb_bulk_msg(send) failed, err == %i!\n",
 			__FUNCTION__, err);
-		up(&ttusb->semusb);
+		mutex_unlock(&ttusb->semusb);
 		return err;
 	}
 	if (actual_len != len) {
 		dprintk("%s: only wrote %d of %d bytes\n", __FUNCTION__,
 			actual_len, len);
-		up(&ttusb->semusb);
+		mutex_unlock(&ttusb->semusb);
 		return -1;
 	}
 
@@ -174,7 +173,7 @@ static int ttusb_cmd(struct ttusb *ttusb,
 	if (err != 0) {
 		printk("%s: failed, receive error %d\n", __FUNCTION__,
 		       err);
-		up(&ttusb->semusb);
+		mutex_unlock(&ttusb->semusb);
 		return err;
 	}
 #if DEBUG >= 3
@@ -185,14 +184,14 @@ static int ttusb_cmd(struct ttusb *ttusb,
 	printk("\n");
 #endif
 	if (!needresult)
-		up(&ttusb->semusb);
+		mutex_unlock(&ttusb->semusb);
 	return 0;
 }
 
 static int ttusb_result(struct ttusb *ttusb, u8 * data, int len)
 {
 	memcpy(data, ttusb->last_result, len);
-	up(&ttusb->semusb);
+	mutex_unlock(&ttusb->semusb);
 	return 0;
 }
 
@@ -250,7 +249,7 @@ static int master_xfer(struct i2c_adapter* adapter, struct i2c_msg *msg, int num
 	int i = 0;
 	int inc;
 
-	if (down_interruptible(&ttusb->semi2c) < 0)
+	if (mutex_lock_interruptible(&ttusb->semi2c) < 0)
 		return -EAGAIN;
 
 	while (i < num) {
@@ -284,7 +283,7 @@ static int master_xfer(struct i2c_adapter* adapter, struct i2c_msg *msg, int num
 		i += inc;
 	}
 
-	up(&ttusb->semi2c);
+	mutex_unlock(&ttusb->semi2c);
 	return i;
 }
 
@@ -689,8 +688,7 @@ static void ttusb_process_frame(struct ttusb *ttusb, u8 * data, int len)
 				memcpy(ttusb->muxpack + ttusb->muxpack_ptr,
 				       data, avail);
 				ttusb->muxpack_ptr += avail;
-				if (ttusb->muxpack_ptr > 264)
-					BUG();
+				BUG_ON(ttusb->muxpack_ptr > 264);
 				data += avail;
 				len -= avail;
 				/* determine length */
@@ -1495,8 +1493,11 @@ static int ttusb_probe(struct usb_interface *intf, const struct usb_device_id *i
 	ttusb->dev = udev;
 	ttusb->c = 0;
 	ttusb->mux_state = 0;
-	sema_init(&ttusb->semi2c, 0);
-	sema_init(&ttusb->semusb, 1);
+	mutex_init(&ttusb->semi2c);
+
+	mutex_lock(&ttusb->semi2c);
+
+	mutex_init(&ttusb->semusb);
 
 	ttusb_setup_interfaces(ttusb);
 
@@ -1504,7 +1505,7 @@ static int ttusb_probe(struct usb_interface *intf, const struct usb_device_id *i
 	if (ttusb_init_controller(ttusb))
 		printk("ttusb_init_controller: error\n");
 
-	up(&ttusb->semi2c);
+	mutex_unlock(&ttusb->semi2c);
 
 	dvb_register_adapter(&ttusb->adapter, "Technotrend/Hauppauge Nova-USB", THIS_MODULE);
 	ttusb->adapter.priv = ttusb;
diff --git a/drivers/media/dvb/ttusb-dec/ttusb_dec.c b/drivers/media/dvb/ttusb-dec/ttusb_dec.c
index df831171e03..44dea321184 100644
--- a/drivers/media/dvb/ttusb-dec/ttusb_dec.c
+++ b/drivers/media/dvb/ttusb-dec/ttusb_dec.c
@@ -20,7 +20,8 @@
  *
  */
 
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
+
 #include <linux/list.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
@@ -115,7 +116,7 @@ struct ttusb_dec {
 	unsigned int			out_pipe;
 	unsigned int			irq_pipe;
 	enum ttusb_dec_interface	interface;
-	struct semaphore		usb_sem;
+	struct mutex			usb_mutex;
 
 	void			*irq_buffer;
 	struct urb		*irq_urb;
@@ -124,7 +125,7 @@ struct ttusb_dec {
 	dma_addr_t		iso_dma_handle;
 	struct urb		*iso_urb[ISO_BUF_COUNT];
 	int			iso_stream_count;
-	struct semaphore	iso_sem;
+	struct mutex		iso_mutex;
 
 	u8				packet[MAX_PVA_LENGTH + 4];
 	enum ttusb_dec_packet_type	packet_type;
@@ -273,9 +274,9 @@ static int ttusb_dec_send_command(struct ttusb_dec *dec, const u8 command,
 	if (!b)
 		return -ENOMEM;
 
-	if ((result = down_interruptible(&dec->usb_sem))) {
+	if ((result = mutex_lock_interruptible(&dec->usb_mutex))) {
 		kfree(b);
-		printk("%s: Failed to down usb semaphore.\n", __FUNCTION__);
+		printk("%s: Failed to lock usb mutex.\n", __FUNCTION__);
 		return result;
 	}
 
@@ -300,7 +301,7 @@ static int ttusb_dec_send_command(struct ttusb_dec *dec, const u8 command,
 	if (result) {
 		printk("%s: command bulk message failed: error %d\n",
 		       __FUNCTION__, result);
-		up(&dec->usb_sem);
+		mutex_unlock(&dec->usb_mutex);
 		kfree(b);
 		return result;
 	}
@@ -311,7 +312,7 @@ static int ttusb_dec_send_command(struct ttusb_dec *dec, const u8 command,
 	if (result) {
 		printk("%s: result bulk message failed: error %d\n",
 		       __FUNCTION__, result);
-		up(&dec->usb_sem);
+		mutex_unlock(&dec->usb_mutex);
 		kfree(b);
 		return result;
 	} else {
@@ -327,7 +328,7 @@ static int ttusb_dec_send_command(struct ttusb_dec *dec, const u8 command,
 		if (cmd_result && b[3] > 0)
 			memcpy(cmd_result, &b[4], b[3]);
 
-		up(&dec->usb_sem);
+		mutex_unlock(&dec->usb_mutex);
 
 		kfree(b);
 		return 0;
@@ -835,7 +836,7 @@ static void ttusb_dec_stop_iso_xfer(struct ttusb_dec *dec)
 
 	dprintk("%s\n", __FUNCTION__);
 
-	if (down_interruptible(&dec->iso_sem))
+	if (mutex_lock_interruptible(&dec->iso_mutex))
 		return;
 
 	dec->iso_stream_count--;
@@ -845,7 +846,7 @@ static void ttusb_dec_stop_iso_xfer(struct ttusb_dec *dec)
 			usb_kill_urb(dec->iso_urb[i]);
 	}
 
-	up(&dec->iso_sem);
+	mutex_unlock(&dec->iso_mutex);
 }
 
 /* Setting the interface of the DEC tends to take down the USB communications
@@ -890,7 +891,7 @@ static int ttusb_dec_start_iso_xfer(struct ttusb_dec *dec)
 
 	dprintk("%s\n", __FUNCTION__);
 
-	if (down_interruptible(&dec->iso_sem))
+	if (mutex_lock_interruptible(&dec->iso_mutex))
 		return -EAGAIN;
 
 	if (!dec->iso_stream_count) {
@@ -911,7 +912,7 @@ static int ttusb_dec_start_iso_xfer(struct ttusb_dec *dec)
 					i--;
 				}
 
-				up(&dec->iso_sem);
+				mutex_unlock(&dec->iso_mutex);
 				return result;
 			}
 		}
@@ -919,7 +920,7 @@ static int ttusb_dec_start_iso_xfer(struct ttusb_dec *dec)
 
 	dec->iso_stream_count++;
 
-	up(&dec->iso_sem);
+	mutex_unlock(&dec->iso_mutex);
 
 	return 0;
 }
@@ -1229,8 +1230,8 @@ static int ttusb_dec_init_usb(struct ttusb_dec *dec)
 {
 	dprintk("%s\n", __FUNCTION__);
 
-	sema_init(&dec->usb_sem, 1);
-	sema_init(&dec->iso_sem, 1);
+	mutex_init(&dec->usb_mutex);
+	mutex_init(&dec->iso_mutex);
 
 	dec->command_pipe = usb_sndbulkpipe(dec->udev, COMMAND_PIPE);
 	dec->result_pipe = usb_rcvbulkpipe(dec->udev, RESULT_PIPE);