merged ~mkrufky/pending

From: Michael Krufky <mkrufky@linuxtv.org>

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>

25 files changed, 1076 insertions, 656 deletions

diff --git a/linux/drivers/media/dvb/cinergyT2/cinergyT2.c b/linux/drivers/media/dvb/cinergyT2/cinergyT2.c
index 10ed8b8c0..57ab7b0f3 100644
--- a/linux/drivers/media/dvb/cinergyT2/cinergyT2.c
+++ b/linux/drivers/media/dvb/cinergyT2/cinergyT2.c
@@ -523,6 +523,9 @@ static int cinergyt2_open (struct inode *inode, struct file *file)
 
 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);
 
@@ -955,6 +958,7 @@ 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);
diff --git a/linux/drivers/media/dvb/dvb-core/demux.h b/linux/drivers/media/dvb/dvb-core/demux.h
index 9f025825b..0c1d87c52 100644
--- a/linux/drivers/media/dvb/dvb-core/demux.h
+++ b/linux/drivers/media/dvb/dvb-core/demux.h
@@ -216,7 +216,7 @@ struct dmx_frontend {
 /*--------------------------------------------------------------------------*/
 
 /*
- * Flags OR'ed in the capabilites field of struct dmx_demux.
+ * Flags OR'ed in the capabilities field of struct dmx_demux.
  */
 
 #define DMX_TS_FILTERING                        1
diff --git a/linux/drivers/media/dvb/dvb-core/dmxdev.c b/linux/drivers/media/dvb/dvb-core/dmxdev.c
index 4c52c8521..09e96e9dd 100644
--- a/linux/drivers/media/dvb/dvb-core/dmxdev.c
+++ b/linux/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;
@@ -42,119 +40,83 @@ 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;
@@ -166,37 +128,36 @@ static int dvb_dvr_open(struct inode *inode, struct file *file)
 	struct dmxdev *dmxdev = dvbdev->priv;
 	struct dmx_frontend *front;
 
-	dprintk ("function : %s\n", __FUNCTION__);
+	dprintk("function : %s\n", __FUNCTION__);
 
 	if (mutex_lock_interruptible(&dmxdev->mutex))
 		return -ERESTARTSYS;
 
-	if ((file->f_flags&O_ACCMODE)==O_RDWR) {
-		if (!(dmxdev->capabilities&DMXDEV_CAP_DUPLEX)) {
+	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) {
-		      mutex_unlock(&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) {
 			mutex_unlock(&dmxdev->mutex);
 			return -EOPNOTSUPP;
 		}
 
-		front=get_fe(dmxdev->demux, DMX_MEMORY_FE);
+		front = get_fe(dmxdev->demux, DMX_MEMORY_FE);
 
 		if (!front) {
 			mutex_unlock(&dmxdev->mutex);
@@ -217,17 +178,17 @@ static int dvb_dvr_release(struct inode *inode, struct file *file)
 	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);
 		}
@@ -237,7 +198,7 @@ static int dvb_dvr_release(struct inode *inode, struct file *file)
 }
 
 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;
@@ -245,60 +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 (mutex_lock_interruptible(&dmxdev->mutex))
 		return -ERESTARTSYS;
-	ret=dmxdev->demux->write(dmxdev->demux, buf, count);
+	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;
 
 	//mutex_lock(&dmxdev->mutex);
-	ret= dvb_dmxdev_buffer_read(&dmxdev->dvr_buffer,
-			      file->f_flags&O_NONBLOCK,
-			      buf, count, ppos);
+	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;
@@ -306,31 +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;
@@ -340,68 +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);
@@ -420,20 +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;
 	}
@@ -441,32 +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) {
@@ -476,36 +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;
 }
@@ -522,32 +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;
 			}
@@ -555,21 +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;
 			}
@@ -577,41 +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 };
@@ -623,41 +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;
 		}
 
@@ -684,32 +641,31 @@ static int dvb_demux_open(struct inode *inode, struct file *file)
 	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) {
+	if (i == dmxdev->filternum) {
 		mutex_unlock(&dmxdev->mutex);
 		return -EMFILE;
 	}
 
-	dmxdevfilter=&dmxdev->filter[i];
+	dmxdevfilter = &dmxdev->filter[i];
 	mutex_init(&dmxdevfilter->mutex);
-	dmxdevfilter->dvbdev=dmxdev->dvbdev;
-	file->private_data=dmxdevfilter;
+	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);
 
 	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 (mutex_lock_interruptible(&dmxdev->mutex))
 		return -ERESTARTSYS;
@@ -723,10 +679,10 @@ 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);
 	}
@@ -742,120 +698,120 @@ 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 (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);
 
 	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 (mutex_lock_interruptible(&dmxdev->mutex))
 		return -ERESTARTSYS;
@@ -866,7 +822,7 @@ static int dvb_demux_do_ioctl(struct inode *inode, struct file *file,
 			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);
@@ -878,7 +834,7 @@ static int dvb_demux_do_ioctl(struct inode *inode, struct file *file,
 			mutex_unlock(&dmxdev->mutex);
 			return -ERESTARTSYS;
 		}
-		ret=dvb_dmxdev_filter_stop(dmxdevfilter);
+		ret = dvb_dmxdev_filter_stop(dmxdevfilter);
 		mutex_unlock(&dmxdevfilter->mutex);
 		break;
 
@@ -887,8 +843,7 @@ static int dvb_demux_do_ioctl(struct inode *inode, struct file *file,
 			mutex_unlock(&dmxdev->mutex);
 			return -ERESTARTSYS;
 		}
-		ret = dvb_dmxdev_filter_set(dmxdev, dmxdevfilter,
-				    (struct dmx_sct_filter_params *)parg);
+		ret = dvb_dmxdev_filter_set(dmxdev, dmxdevfilter, parg);
 		mutex_unlock(&dmxdevfilter->mutex);
 		break;
 
@@ -897,8 +852,7 @@ static int dvb_demux_do_ioctl(struct inode *inode, struct file *file,
 			mutex_unlock(&dmxdev->mutex);
 			return -ERESTARTSYS;
 		}
-		ret=dvb_dmxdev_pes_filter_set(dmxdev, dmxdevfilter,
-					       (struct dmx_pes_filter_params *)parg);
+		ret = dvb_dmxdev_pes_filter_set(dmxdev, dmxdevfilter, parg);
 		mutex_unlock(&dmxdevfilter->mutex);
 		break;
 
@@ -907,7 +861,7 @@ static int dvb_demux_do_ioctl(struct inode *inode, struct file *file,
 			mutex_unlock(&dmxdev->mutex);
 			return -ERESTARTSYS;
 		}
-		ret=dvb_dmxdev_set_buffer_size(dmxdevfilter, arg);
+		ret = dvb_dmxdev_set_buffer_size(dmxdevfilter, arg);
 		mutex_unlock(&dmxdevfilter->mutex);
 		break;
 
@@ -916,10 +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:
@@ -940,17 +894,18 @@ 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;
 	}
 	mutex_unlock(&dmxdev->mutex);
 	return ret;
@@ -962,8 +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;
@@ -981,13 +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;
@@ -996,32 +949,28 @@ 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=0;
+	int ret;
 
 	if (mutex_lock_interruptible(&dmxdev->mutex))
 		return -ERESTARTSYS;
@@ -1029,39 +978,38 @@ static int dvb_dvr_do_ioctl(struct inode *inode, struct file *file,
 	switch (cmd) {
 	case DMX_SET_BUFFER_SIZE:
 		// FIXME: implement
-		ret=0;
+		ret = 0;
 		break;
 
 	default:
-		ret=-EINVAL;
+		ret = -EINVAL;
+		break;
 	}
 	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);
@@ -1069,61 +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;
 
 	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);
+	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;
+	dmxdev->filter = NULL;
 	dmxdev->demux->close(dmxdev->demux);
 }
+
 EXPORT_SYMBOL(dvb_dmxdev_release);
diff --git a/linux/drivers/media/dvb/dvb-core/dmxdev.h b/linux/drivers/media/dvb/dvb-core/dmxdev.h
index d1d34a71b..080abd9a9 100644
--- a/linux/drivers/media/dvb/dvb-core/dmxdev.h
+++ b/linux/drivers/media/dvb/dvb-core/dmxdev.h
@@ -39,8 +39,9 @@
 
 #include "dvbdev.h"
 #include "demux.h"
+#include "dvb_ringbuffer.h"
 
-enum dmxdevype {
+enum dmxdev_type {
 	DMXDEV_TYPE_NONE,
 	DMXDEV_TYPE_SEC,
 	DMXDEV_TYPE_PES,
@@ -55,18 +56,7 @@ 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;
@@ -81,10 +71,10 @@ 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;
 
 #if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,15)
 	struct mutex mutex;
@@ -96,8 +86,6 @@ struct dmxdev_filter {
 	struct timer_list timer;
 	int todo;
 	u8 secheader[3];
-
-	u16 pid;
 };
 
 
@@ -113,7 +101,7 @@ 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)
 
 #if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,15)
diff --git a/linux/drivers/media/dvb/dvb-core/dvb_frontend.h b/linux/drivers/media/dvb/dvb-core/dvb_frontend.h
index 70a6d14ef..d5aee5ad6 100644
--- a/linux/drivers/media/dvb/dvb-core/dvb_frontend.h
+++ b/linux/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/linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.c b/linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.c
index 77ad2410f..c972fe014 100644
--- a/linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.c
+++ b/linux/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/linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.h b/linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.h
index 6d2560972..d97714e75 100644
--- a/linux/drivers/media/dvb/dvb-core/dvb_ringbuffer.h
+++ b/linux/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/linux/drivers/media/dvb/dvb-usb/dtt200u.c b/linux/drivers/media/dvb/dvb-usb/dtt200u.c
index d2ce5d52a..b25f65238 100644
--- a/linux/drivers/media/dvb/dvb-usb/dtt200u.c
+++ b/linux/drivers/media/dvb/dvb-usb/dtt200u.c
@@ -151,7 +151,7 @@ static struct dvb_usb_properties dtt200u_properties = {
 		  .cold_ids = { &dtt200u_usb_table[0], NULL },
 		  .warm_ids = { &dtt200u_usb_table[1], NULL },
 		},
-		{ 0 },
+		{ NULL },
 	}
 };
 
@@ -192,7 +192,7 @@ static struct dvb_usb_properties wt220u_properties = {
 		  .cold_ids = { &dtt200u_usb_table[2], NULL },
 		  .warm_ids = { &dtt200u_usb_table[3], NULL },
 		},
-		{ 0 },
+		{ NULL },
 	}
 };
 
diff --git a/linux/drivers/media/dvb/dvb-usb/dvb-usb-init.c b/linux/drivers/media/dvb/dvb-usb/dvb-usb-init.c
index 4258a995d..a1705ecb9 100644
--- a/linux/drivers/media/dvb/dvb-usb/dvb-usb-init.c
+++ b/linux/drivers/media/dvb/dvb-usb/dvb-usb-init.c
@@ -47,7 +47,7 @@ static int dvb_usb_init(struct dvb_usb_device *d)
 
 	d->state = DVB_USB_STATE_INIT;
 
-/* check the capabilites and set appropriate variables */
+/* check the capabilities and set appropriate variables */
 
 /* speed - when running at FULL speed we need a HW PID filter */
 	if (d->udev->speed == USB_SPEED_FULL && !(d->props.caps & DVB_USB_HAS_PID_FILTER)) {
diff --git a/linux/drivers/media/dvb/dvb-usb/dvb-usb.h b/linux/drivers/media/dvb/dvb-usb/dvb-usb.h
index bdf596c42..b14e842d0 100644
--- a/linux/drivers/media/dvb/dvb-usb/dvb-usb.h
+++ b/linux/drivers/media/dvb/dvb-usb/dvb-usb.h
@@ -91,7 +91,7 @@ struct dvb_usb_device;
 
 /**
  * struct dvb_usb_properties - properties of a dvb-usb-device
- * @caps: capabilites of the DVB USB device.
+ * @caps: capabilities of the DVB USB device.
  * @pid_filter_count: number of PID filter position in the optional hardware
  *  PID-filter.
  *
diff --git a/linux/drivers/media/dvb/dvb-usb/vp7045.c b/linux/drivers/media/dvb/dvb-usb/vp7045.c
index 16aa00ec4..20beb2539 100644
--- a/linux/drivers/media/dvb/dvb-usb/vp7045.c
+++ b/linux/drivers/media/dvb/dvb-usb/vp7045.c
@@ -247,7 +247,7 @@ static struct dvb_usb_properties vp7045_properties = {
 		  .cold_ids = { &vp7045_usb_table[2], NULL },
 		  .warm_ids = { &vp7045_usb_table[3], NULL },
 		},
-		{ 0 },
+		{ NULL },
 	}
 };
 
diff --git a/linux/drivers/media/dvb/frontends/Kconfig b/linux/drivers/media/dvb/frontends/Kconfig
index c676b1e23..94233168d 100644
--- a/linux/drivers/media/dvb/frontends/Kconfig
+++ b/linux/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/linux/drivers/media/dvb/frontends/Makefile b/linux/drivers/media/dvb/frontends/Makefile
index 1af769cd9..d09b6071f 100644
--- a/linux/drivers/media/dvb/frontends/Makefile
+++ b/linux/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/linux/drivers/media/dvb/frontends/bsbe1.h b/linux/drivers/media/dvb/frontends/bsbe1.h
new file mode 100644
index 000000000..78573b22a
--- /dev/null
+++ b/linux/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/linux/drivers/media/dvb/frontends/dvb-pll.c b/linux/drivers/media/dvb/frontends/dvb-pll.c
index 4f682534d..b6e2c387a 100644
--- a/linux/drivers/media/dvb/frontends/dvb-pll.c
+++ b/linux/drivers/media/dvb/frontends/dvb-pll.c
@@ -404,6 +404,21 @@ struct dvb_pll_desc dvb_pll_philips_td1316 = {
 };
 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                                                        */
 
diff --git a/linux/drivers/media/dvb/frontends/dvb-pll.h b/linux/drivers/media/dvb/frontends/dvb-pll.h
index 56c3cd76a..2b8461784 100644
--- a/linux/drivers/media/dvb/frontends/dvb-pll.h
+++ b/linux/drivers/media/dvb/frontends/dvb-pll.h
@@ -42,6 +42,8 @@ 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/linux/drivers/media/dvb/frontends/lnbp21.h b/linux/drivers/media/dvb/frontends/lnbp21.h
new file mode 100644
index 000000000..0dcbe61b6
--- /dev/null
+++ b/linux/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/linux/drivers/media/dvb/frontends/zl10353.c b/linux/drivers/media/dvb/frontends/zl10353.c
new file mode 100644
index 000000000..10bb871fa
--- /dev/null
+++ b/linux/drivers/media/dvb/frontends/zl10353.c
@@ -0,0 +1,323 @@
+/*
+ * 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;
+};
+
+#if 1
+static int debug_regs = 0;
+#endif
+
+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];
+}
+
+#if 1
+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);
+}
+#endif
+
+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 1
+	if (debug_regs)
+		zl10353_dump_regs(fe);
+#endif
+
+	_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 1
+	if (debug_regs)
+		zl10353_dump_regs(fe);
+#endif
+
+	/* 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 1
+		if (debug_regs)
+			zl10353_dump_regs(fe);
+#endif
+	}
+
+	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,
+};
+
+#if 1
+module_param(debug_regs, int, 0644);
+MODULE_PARM_DESC(debug_regs, "Turn on/off frontend register dumps (default:off).");
+#endif
+
+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/linux/drivers/media/dvb/frontends/zl10353.h b/linux/drivers/media/dvb/frontends/zl10353.h
new file mode 100644
index 000000000..5cc4ae718
--- /dev/null
+++ b/linux/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/linux/drivers/media/dvb/frontends/zl10353_priv.h b/linux/drivers/media/dvb/frontends/zl10353_priv.h
new file mode 100644
index 000000000..b72224bd7
--- /dev/null
+++ b/linux/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/linux/drivers/media/dvb/ttpci/av7110.c b/linux/drivers/media/dvb/ttpci/av7110.c
index 90d53f962..106022c39 100644
--- a/linux/drivers/media/dvb/ttpci/av7110.c
+++ b/linux/drivers/media/dvb/ttpci/av7110.c
@@ -66,6 +66,9 @@
 #include "av7110_ca.h"
 #include "av7110_ipack.h"
 
+#include "bsbe1.h"
+#include "lnbp21.h"
+
 #define TS_WIDTH  376
 #define TS_HEIGHT 512
 #define TS_BUFLEN (TS_WIDTH*TS_HEIGHT)
@@ -1087,11 +1090,9 @@ 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);
@@ -1438,7 +1439,7 @@ static int check_firmware(struct av7110* av7110)
 	len = ntohl(*(u32*) ptr);
 	ptr += 4;
 	if (len >= 512) {
-		printk("dvb-ttpci: dpram file is way to big.\n");
+		printk("dvb-ttpci: dpram file is way too big.\n");
 		return -EINVAL;
 	}
 	if (crc != crc32_le(0, ptr, len)) {
@@ -1672,105 +1673,6 @@ static struct stv0299_config alps_bsru6_config = {
 };
 
 
-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;
@@ -2373,9 +2275,15 @@ 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;
 		}
diff --git a/linux/drivers/media/dvb/ttpci/av7110_hw.c b/linux/drivers/media/dvb/ttpci/av7110_hw.c
index 68153d967..668f6cc10 100644
--- a/linux/drivers/media/dvb/ttpci/av7110_hw.c
+++ b/linux/drivers/media/dvb/ttpci/av7110_hw.c
@@ -245,6 +245,9 @@ int av7110_bootarm(struct av7110 *av7110)
 
 	/* test DEBI */
 	iwdebi(av7110, DEBISWAP, DPRAM_BASE, 0x76543210, 4);
+	/* FIXME: Why does Nexus CA require 2x iwdebi for first init? */
+	iwdebi(av7110, DEBISWAP, DPRAM_BASE, 0x76543210, 4);
+
 	if ((ret=irdebi(av7110, DEBINOSWAP, DPRAM_BASE, 0, 4)) != 0x10325476) {
 		printk(KERN_ERR "dvb-ttpci: debi test in av7110_bootarm() failed: "
 		       "%08x != %08x (check your BIOS 'Plug&Play OS' settings)\n",
diff --git a/linux/drivers/media/dvb/ttpci/budget-ci.c b/linux/drivers/media/dvb/ttpci/budget-ci.c
index b9b3cd9c0..09b972b9f 100644
--- a/linux/drivers/media/dvb/ttpci/budget-ci.c
+++ b/linux/drivers/media/dvb/ttpci/budget-ci.c
@@ -42,6 +42,8 @@
 #include "stv0299.h"
 #include "stv0297.h"
 #include "tda1004x.h"
+#include "lnbp21.h"
+#include "bsbe1.h"
 
 #define DEBIADDR_IR		0x1234
 #define DEBIADDR_CICONTROL	0x0000
@@ -1069,6 +1071,20 @@ 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 +1162,7 @@ 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 +1174,7 @@ 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/linux/drivers/media/dvb/ttpci/budget.c b/linux/drivers/media/dvb/ttpci/budget.c
index 238c77b52..bfb809250 100644
--- a/linux/drivers/media/dvb/ttpci/budget.c
+++ b/linux/drivers/media/dvb/ttpci/budget.c
@@ -41,6 +41,7 @@
 #include "l64781.h"
 #include "tda8083.h"
 #include "s5h1420.h"
+#include "lnbp21.h"
 
 static void Set22K (struct budget *budget, int state)
 {
@@ -184,64 +185,6 @@ 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;
@@ -374,79 +317,6 @@ static struct stv0299_config alps_bsru6_config = {
 	.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 +450,6 @@ 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 +502,7 @@ 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 +573,6 @@ 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 +585,6 @@ 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/linux/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c b/linux/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
index 245db934f..69a550871 100644
--- a/linux/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
+++ b/linux/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
@@ -696,8 +696,7 @@ 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 */