Automatic merge of /spare/repo/netdev-2.6 branch we18-ieee80211

86 files changed, 6674 insertions, 1921 deletions

diff --git a/drivers/media/dvb/Kconfig b/drivers/media/dvb/Kconfig
index 883ec08490f..4983e1b1bb1 100644
--- a/drivers/media/dvb/Kconfig
+++ b/drivers/media/dvb/Kconfig
@@ -33,7 +33,7 @@ source "drivers/media/dvb/dibusb/Kconfig"
 source "drivers/media/dvb/cinergyT2/Kconfig"
 
 comment "Supported FlexCopII (B2C2) Adapters"
-	depends on DVB_CORE && PCI
+	depends on DVB_CORE && (PCI || USB)
 source "drivers/media/dvb/b2c2/Kconfig"
 
 comment "Supported BT878 Adapters"
diff --git a/drivers/media/dvb/b2c2/Kconfig b/drivers/media/dvb/b2c2/Kconfig
index 52596907a0b..99bd675df95 100644
--- a/drivers/media/dvb/b2c2/Kconfig
+++ b/drivers/media/dvb/b2c2/Kconfig
@@ -1,26 +1,50 @@
-config DVB_B2C2_SKYSTAR
-	tristate "B2C2/Technisat Air/Sky/CableStar 2 PCI"
-	depends on DVB_CORE && PCI
+config DVB_B2C2_FLEXCOP
+	tristate "Technisat/B2C2 FlexCopII(b) and FlexCopIII adapters"
+	depends on DVB_CORE
 	select DVB_STV0299
 	select DVB_MT352
 	select DVB_MT312
 	select DVB_NXT2002
+	select DVB_STV0297
 	help
-	  Support for the Skystar2 PCI DVB card by Technisat, which
-	  is equipped with the FlexCopII chipset by B2C2, and
-	  for the B2C2/BBTI Air2PC-ATSC card.
+	  Support for the digital TV receiver chip made by B2C2 Inc. included in
+	  Technisats PCI cards and USB boxes.
 
 	  Say Y if you own such a device and want to use it.
 
-config DVB_B2C2_USB
-	tristate "B2C2/Technisat Air/Sky/Cable2PC USB"
-	depends on DVB_CORE && USB && EXPERIMENTAL
+config DVB_B2C2_FLEXCOP_PCI
+	tristate "Technisat/B2C2 Air/Sky/Cable2PC PCI"
+	depends on DVB_B2C2_FLEXCOP && PCI
+	help
+	  Support for the Air/Sky/CableStar2 PCI card (DVB/ATSC) by Technisat/B2C2.
+
+	  Say Y if you own such a device and want to use it.
+
+config DVB_B2C2_FLEXCOP_USB
+	tristate "Technisat/B2C2 Air/Sky/Cable2PC USB"
+	depends on DVB_B2C2_FLEXCOP && USB
+	help
+	  Support for the Air/Sky/Cable2PC USB1.1 box (DVB/ATSC) by Technisat/B2C2,
+
+	  Say Y if you own such a device and want to use it.
+
+config DVB_B2C2_FLEXCOP_DEBUG
+	bool "Enable debug for the B2C2 FlexCop drivers"
+	depends on DVB_B2C2_FLEXCOP
+	help
+	  Say Y if you want to enable the module option to control debug messages
+	  of all B2C2 FlexCop drivers.
+
+config DVB_B2C2_SKYSTAR
+	tristate "B2C2/Technisat Air/Sky/CableStar 2 PCI"
+	depends on DVB_CORE && PCI
 	select DVB_STV0299
 	select DVB_MT352
+	select DVB_MT312
+	select DVB_NXT2002
 	help
-	  Support for the Air/Sky/Cable2PC USB DVB device by B2C2. Currently
-	  the does nothing, but providing basic function for the used usb 
-	  protocol.
+	  Support for the Skystar2 PCI DVB card by Technisat, which
+	  is equipped with the FlexCopII chipset by B2C2, and
+	  for the B2C2/BBTI Air2PC-ATSC card.
 
 	  Say Y if you own such a device and want to use it.
-
diff --git a/drivers/media/dvb/b2c2/Makefile b/drivers/media/dvb/b2c2/Makefile
index 9fb1247bfab..7703812af34 100644
--- a/drivers/media/dvb/b2c2/Makefile
+++ b/drivers/media/dvb/b2c2/Makefile
@@ -1,6 +1,14 @@
-obj-b2c2-usb = b2c2-usb-core.o b2c2-common.o
+b2c2-flexcop-objs = flexcop.o flexcop-fe-tuner.o flexcop-i2c.o \
+	flexcop-sram.o flexcop-eeprom.o flexcop-misc.o flexcop-hw-filter.o \
+	flexcop-dma.o
+obj-$(CONFIG_DVB_B2C2_FLEXCOP) += b2c2-flexcop.o
+
+b2c2-flexcop-pci-objs = flexcop-pci.o
+obj-$(CONFIG_DVB_B2C2_FLEXCOP_PCI) += b2c2-flexcop-pci.o
+
+b2c2-flexcop-usb-objs = flexcop-usb.o
+obj-$(CONFIG_DVB_B2C2_FLEXCOP_USB) += b2c2-flexcop-usb.o
 
 obj-$(CONFIG_DVB_B2C2_SKYSTAR) += skystar2.o
-obj-$(CONFIG_DVB_B2C2_USB) + = b2c2-usb.o
 
 EXTRA_CFLAGS = -Idrivers/media/dvb/dvb-core/ -Idrivers/media/dvb/frontends/
diff --git a/drivers/media/dvb/b2c2/b2c2-common.c b/drivers/media/dvb/b2c2/b2c2-common.c
deleted file mode 100644
index 000d60c405e..00000000000
--- a/drivers/media/dvb/b2c2/b2c2-common.c
+++ /dev/null
@@ -1,214 +0,0 @@
-/*
- * b2c2-common.c - common methods for the B2C2/Technisat SkyStar2 PCI DVB card and
- *                 for the B2C2/Technisat Sky/Cable/AirStar USB devices
- *                 based on the FlexCopII/FlexCopIII by B2C2, Inc.
- *
- * Copyright (C) 2003  Vadim Catana, skystar@moldova.cc
- *
- * FIX: DISEQC Tone Burst in flexcop_diseqc_ioctl()
- * FIX: FULL soft DiSEqC for skystar2 (FlexCopII rev 130) VP310 equipped
- *     Vincenzo Di Massa, hawk.it at tiscalinet.it
- *
- * Converted to Linux coding style
- * Misc reorganization, polishing, restyling
- *     Roberto Ragusa, r.ragusa at libero.it
- *
- * Added hardware filtering support,
- *     Niklas Peinecke, peinecke at gdv.uni-hannover.de
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1
- * 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 Lesser 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.
- *
- */
-#include "stv0299.h"
-#include "mt352.h"
-#include "mt312.h"
-
-static int samsung_tbmu24112_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 samsung_tbmu24112_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
-{
-	u8 buf[4];
-	u32 div;
-	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };
-//	struct adapter* adapter = (struct adapter*) fe->dvb->priv;
-
-	div = params->frequency / 125;
-
-	buf[0] = (div >> 8) & 0x7f;
-	buf[1] = div & 0xff;
-	buf[2] = 0x84;  // 0xC4
-	buf[3] = 0x08;
-
-	if (params->frequency < 1500000) buf[3] |= 0x10;
-
-//	if (i2c_transfer (&adapter->i2c_adap, &msg, 1) != 1) return -EIO;
-	return 0;
-}
-
-static u8 samsung_tbmu24112_inittab[] = {
-	     0x01, 0x15,
-	     0x02, 0x30,
-	     0x03, 0x00,
-	     0x04, 0x7D,
-	     0x05, 0x35,
-	     0x06, 0x02,
-	     0x07, 0x00,
-	     0x08, 0xC3,
-	     0x0C, 0x00,
-	     0x0D, 0x81,
-	     0x0E, 0x23,
-	     0x0F, 0x12,
-	     0x10, 0x7E,
-	     0x11, 0x84,
-	     0x12, 0xB9,
-	     0x13, 0x88,
-	     0x14, 0x89,
-	     0x15, 0xC9,
-	     0x16, 0x00,
-	     0x17, 0x5C,
-	     0x18, 0x00,
-	     0x19, 0x00,
-	     0x1A, 0x00,
-	     0x1C, 0x00,
-	     0x1D, 0x00,
-	     0x1E, 0x00,
-	     0x1F, 0x3A,
-	     0x20, 0x2E,
-	     0x21, 0x80,
-	     0x22, 0xFF,
-	     0x23, 0xC1,
-	     0x28, 0x00,
-	     0x29, 0x1E,
-	     0x2A, 0x14,
-	     0x2B, 0x0F,
-	     0x2C, 0x09,
-	     0x2D, 0x05,
-	     0x31, 0x1F,
-	     0x32, 0x19,
-	     0x33, 0xFE,
-	     0x34, 0x93,
-	     0xff, 0xff,
-};
-
-static struct stv0299_config samsung_tbmu24112_config = {
-	.demod_address = 0x68,
-	.inittab = samsung_tbmu24112_inittab,
-	.mclk = 88000000UL,
-	.invert = 0,
-	.enhanced_tuning = 0,
-	.skip_reinit = 0,
-	.lock_output = STV0229_LOCKOUTPUT_LK,
-	.volt13_op0_op1 = STV0299_VOLT13_OP1,
-	.min_delay_ms = 100,
-	.set_symbol_rate = samsung_tbmu24112_set_symbol_rate,
-   	.pll_set = samsung_tbmu24112_pll_set,
-};
-
-
-
-
-
-static int samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
-{
-	static u8 mt352_clock_config [] = { 0x89, 0x10, 0x2d };
-	static u8 mt352_reset [] = { 0x50, 0x80 };
-	static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
-	static u8 mt352_agc_cfg [] = { 0x67, 0x28, 0xa1 };
-	static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
-
-	mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
-	udelay(2000);
-	mt352_write(fe, mt352_reset, sizeof(mt352_reset));
-	mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
-
-	mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
-	mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
-
-	return 0;
-}
-
-static int samsung_tdtc9251dh0_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf)
-{
-	u32 div;
-	unsigned char bs = 0;
-
-	#define IF_FREQUENCYx6 217    /* 6 * 36.16666666667MHz */
-	div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
-
-	if (params->frequency >= 48000000 && params->frequency <= 154000000) bs = 0x09;
-	if (params->frequency >= 161000000 && params->frequency <= 439000000) bs = 0x0a;
-	if (params->frequency >= 447000000 && params->frequency <= 863000000) bs = 0x08;
-
-	pllbuf[0] = 0xc2; // Note: non-linux standard PLL i2c address
-	pllbuf[1] = div >> 8;
-   	pllbuf[2] = div & 0xff;
-   	pllbuf[3] = 0xcc;
-   	pllbuf[4] = bs;
-
-	return 0;
-}
-
-static struct mt352_config samsung_tdtc9251dh0_config = {
-
-	.demod_address = 0x0f,
-	.demod_init = samsung_tdtc9251dh0_demod_init,
-   	.pll_set = samsung_tdtc9251dh0_pll_set,
-};
-
-static int skystar23_samsung_tbdu18132_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
-{
-	u8 buf[4];
-	u32 div;
-	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };
-//	struct adapter* adapter = (struct adapter*) fe->dvb->priv;
-
-	div = (params->frequency + (125/2)) / 125;
-
-	buf[0] = (div >> 8) & 0x7f;
-	buf[1] = (div >> 0) & 0xff;
-	buf[2] = 0x84 | ((div >> 10) & 0x60);
-	buf[3] = 0x80;
-
-	if (params->frequency < 1550000)
-		buf[3] |= 0x02;
-
-	//if (i2c_transfer (&adapter->i2c_adap, &msg, 1) != 1) return -EIO;
-	return 0;
-}
-
-static struct mt312_config skystar23_samsung_tbdu18132_config = {
-
-	.demod_address = 0x0e,
-   	.pll_set = skystar23_samsung_tbdu18132_pll_set,
-};
diff --git a/drivers/media/dvb/b2c2/b2c2-usb-core.c b/drivers/media/dvb/b2c2/b2c2-usb-core.c
deleted file mode 100644
index 9306da046c9..00000000000
--- a/drivers/media/dvb/b2c2/b2c2-usb-core.c
+++ /dev/null
@@ -1,549 +0,0 @@
-/*
- * Copyright (C) 2004 Patrick Boettcher <patrick.boettcher@desy.de>,
- *                    Luca Bertagnolio <>,
- *
- * based on information provided by John Jurrius from BBTI, Inc.
- *
- *	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, version 2.
- *
- */
-
-#include <linux/config.h>
-#include <linux/kernel.h>
-#include <linux/usb.h>
-#include <linux/moduleparam.h>
-#include <linux/pci.h>
-#include <linux/version.h>
-
-#include "dmxdev.h"
-#include "dvb_demux.h"
-#include "dvb_filter.h"
-#include "dvb_net.h"
-#include "dvb_frontend.h"
-
-/* debug */
-#define dprintk(level,args...) \
-	    do { if ((debug & level)) { printk(args); } } while (0)
-#define debug_dump(b,l) if (debug) {\
-	int i; deb_xfer("%s: %d > ",__FUNCTION__,l); \
-	for (i = 0; i < l; i++) deb_xfer("%02x ", b[i]); \
-	deb_xfer("\n");\
-}
-
-static int debug;
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "set debugging level (1=info,ts=2,ctrl=4 (or-able)).");
-
-#define deb_info(args...) dprintk(0x01,args)
-#define deb_ts(args...)   dprintk(0x02,args)
-#define deb_ctrl(args...) dprintk(0x04,args)
-
-/* Version information */
-#define DRIVER_VERSION "0.0"
-#define DRIVER_DESC "Driver for B2C2/Technisat Air/Cable/Sky-2-PC USB devices"
-#define DRIVER_AUTHOR "Patrick Boettcher, patrick.boettcher@desy.de"
-
-/* transfer parameters */
-#define B2C2_USB_FRAMES_PER_ISO		4
-#define B2C2_USB_NUM_ISO_URB		4    /* TODO check out a good value */
-
-#define B2C2_USB_CTRL_PIPE_IN		usb_rcvctrlpipe(b2c2->udev,0)
-#define B2C2_USB_CTRL_PIPE_OUT		usb_sndctrlpipe(b2c2->udev,0)
-#define B2C2_USB_DATA_PIPE			usb_rcvisocpipe(b2c2->udev,0x81)
-
-struct usb_b2c2_usb {
-	struct usb_device *udev;
-	struct usb_interface *uintf;
-
-	u8 *iso_buffer;
-	int buffer_size;
-	dma_addr_t iso_dma_handle;
-	struct urb *iso_urb[B2C2_USB_NUM_ISO_URB];
-};
-
-
-/*
- * USB
- * 10 90 34 12 78 56 04 00
- * usb_control_msg(udev, usb_sndctrlpipe(udev,0),
- * 0x90,
- * 0x10,
- * 0x1234,
- * 0x5678,
- * buf,
- * 4,
- * 5*HZ);
- *
- * extern int usb_control_msg(struct usb_device *dev, unsigned int pipe,
- * __u8 request,
- * __u8 requesttype,
- * __u16 value,
- * __u16 index,
- * void *data,
- * __u16 size,
- * int timeout);
- *
- */
-
-/* request types */
-typedef enum {
-
-/* something is wrong with this part
-	RTYPE_READ_DW         = (1 << 6),
-	RTYPE_WRITE_DW_1      = (3 << 6),
-	RTYPE_READ_V8_MEMORY  = (6 << 6),
-	RTYPE_WRITE_V8_MEMORY = (7 << 6),
-	RTYPE_WRITE_V8_FLASH  = (8 << 6),
-	RTYPE_GENERIC         = (9 << 6),
-*/
-	RTYPE_READ_DW = (3 << 6),
-	RTYPE_WRITE_DW_1 = (1 << 6),
-	
-	RTYPE_READ_V8_MEMORY  = (6 << 6),
-	RTYPE_WRITE_V8_MEMORY = (7 << 6),
-	RTYPE_WRITE_V8_FLASH  = (8 << 6),
-	RTYPE_GENERIC         = (9 << 6),
-} b2c2_usb_request_type_t;
-
-/* request */
-typedef enum {
-	B2C2_USB_WRITE_V8_MEM = 0x04,
-	B2C2_USB_READ_V8_MEM  = 0x05,
-	B2C2_USB_READ_REG     = 0x08,
-	B2C2_USB_WRITE_REG    = 0x0A,
-/*	B2C2_USB_WRITEREGLO   = 0x0A, */
-	B2C2_USB_WRITEREGHI   = 0x0B,
-	B2C2_USB_FLASH_BLOCK  = 0x10,
-	B2C2_USB_I2C_REQUEST  = 0x11,
-	B2C2_USB_UTILITY      = 0x12,
-} b2c2_usb_request_t;
-
-/* function definition for I2C_REQUEST */
-typedef enum {
-	USB_FUNC_I2C_WRITE       = 0x01,
-	USB_FUNC_I2C_MULTIWRITE  = 0x02,
-	USB_FUNC_I2C_READ        = 0x03,
-	USB_FUNC_I2C_REPEATWRITE = 0x04,
-	USB_FUNC_GET_DESCRIPTOR  = 0x05,
-	USB_FUNC_I2C_REPEATREAD  = 0x06,
-/* DKT 020208 - add this to support special case of DiSEqC */
-	USB_FUNC_I2C_CHECKWRITE  = 0x07,
-	USB_FUNC_I2C_CHECKRESULT = 0x08,
-} b2c2_usb_i2c_function_t;
-
-/*
- * function definition for UTILITY request 0x12
- * DKT 020304 - new utility function
- */
-typedef enum {
-	UTILITY_SET_FILTER          = 0x01,
-	UTILITY_DATA_ENABLE         = 0x02,
-	UTILITY_FLEX_MULTIWRITE     = 0x03,
-	UTILITY_SET_BUFFER_SIZE     = 0x04,
-	UTILITY_FLEX_OPERATOR       = 0x05,
-	UTILITY_FLEX_RESET300_START = 0x06,
-	UTILITY_FLEX_RESET300_STOP  = 0x07,
-	UTILITY_FLEX_RESET300       = 0x08,
-	UTILITY_SET_ISO_SIZE        = 0x09,
-	UTILITY_DATA_RESET          = 0x0A,
-	UTILITY_GET_DATA_STATUS     = 0x10,
-	UTILITY_GET_V8_REG          = 0x11,
-/* DKT 020326 - add function for v1.14 */
-	UTILITY_SRAM_WRITE          = 0x12,
-	UTILITY_SRAM_READ           = 0x13,
-	UTILITY_SRAM_TESTFILL       = 0x14,
-	UTILITY_SRAM_TESTSET        = 0x15,
-	UTILITY_SRAM_TESTVERIFY     = 0x16,
-} b2c2_usb_utility_function_t;
-
-#define B2C2_WAIT_FOR_OPERATION_RW  1  // 1 s
-#define B2C2_WAIT_FOR_OPERATION_RDW 3  // 3 s
-#define B2C2_WAIT_FOR_OPERATION_WDW 1  // 1 s
-
-#define B2C2_WAIT_FOR_OPERATION_V8READ   3  // 3 s
-#define B2C2_WAIT_FOR_OPERATION_V8WRITE  3  // 3 s
-#define B2C2_WAIT_FOR_OPERATION_V8FLASH  3  // 3 s
-
-/* JLP 111700: we will include the 1 bit gap between the upper and lower 3 bits
- * in the IBI address, to make the V8 code simpler.
- * PCI ADDRESS FORMAT: 0x71C -> 0000 0111 0001 1100 (these are the six bits used)
- *                  in general: 0000 0HHH 000L LL00
- * IBI ADDRESS FORMAT:                    RHHH BLLL
- *
- * where R is the read(1)/write(0) bit, B is the busy bit
- * and HHH and LLL are the two sets of three bits from the PCI address.
- */
-#define B2C2_FLEX_PCIOFFSET_TO_INTERNALADDR(usPCI) (u8) (((usPCI >> 2) & 0x07) + ((usPCI >> 4) & 0x70))
-#define B2C2_FLEX_INTERNALADDR_TO_PCIOFFSET(ucAddr) (u16) (((ucAddr & 0x07) << 2) + ((ucAddr & 0x70) << 4))
-
-/*
- * DKT 020228 - forget about this VENDOR_BUFFER_SIZE, read and write register
- * deal with DWORD or 4 bytes, that should be should from now on
- */
-static u32 b2c2_usb_read_dw(struct usb_b2c2_usb *b2c2, u16 wRegOffsPCI)
-{
-	u32 val;
-	u16 wAddress = B2C2_FLEX_PCIOFFSET_TO_INTERNALADDR(wRegOffsPCI) | 0x0080;
-	int len = usb_control_msg(b2c2->udev,
-			B2C2_USB_CTRL_PIPE_IN,
-			B2C2_USB_READ_REG,
-			RTYPE_READ_DW,
-			wAddress,
-			0,
-			&val,
-			sizeof(u32),
-			B2C2_WAIT_FOR_OPERATION_RDW * 1000);
-
-	if (len != sizeof(u32)) {
-		err("error while reading dword from %d (%d).",wAddress,wRegOffsPCI);
-		return -EIO;
-	} else
-		return val;
-}
-
-/*
- * DKT 020228 - from now on, we don't support anything older than firm 1.00
- * I eliminated the write register as a 2 trip of writing hi word and lo word
- * and force this to write only 4 bytes at a time.
- * NOTE: this should work with all the firmware from 1.00 and newer
- */
-static int b2c2_usb_write_dw(struct usb_b2c2_usb *b2c2, u16 wRegOffsPCI, u32 val)
-{
-	u16 wAddress = B2C2_FLEX_PCIOFFSET_TO_INTERNALADDR(wRegOffsPCI);
-	int len = usb_control_msg(b2c2->udev,
-			B2C2_USB_CTRL_PIPE_OUT,
-			B2C2_USB_WRITE_REG,
-			RTYPE_WRITE_DW_1,
-			wAddress,
-			0,
-			&val,
-			sizeof(u32),
-			B2C2_WAIT_FOR_OPERATION_RDW * 1000);
-
-	if (len != sizeof(u32)) {
-		err("error while reading dword from %d (%d).",wAddress,wRegOffsPCI);
-		return -EIO;
-	} else
-		return 0;
-}
-
-/*
- * DKT 010817 - add support for V8 memory read/write and flash update
- */
-static int b2c2_usb_v8_memory_req(struct usb_b2c2_usb *b2c2,
-		b2c2_usb_request_t req, u8 page, u16 wAddress,
-		u16 buflen, u8 *pbBuffer)
-{
-	u8 dwRequestType;
-	u16 wIndex;
-	int nWaitTime,pipe,len;
-
-	wIndex = page << 8;
-
-	switch (req) {
-		case B2C2_USB_READ_V8_MEM:
-			nWaitTime = B2C2_WAIT_FOR_OPERATION_V8READ;
-			dwRequestType = (u8) RTYPE_READ_V8_MEMORY;
-			pipe = B2C2_USB_CTRL_PIPE_IN;
-		break;
-		case B2C2_USB_WRITE_V8_MEM:
-			wIndex |= pbBuffer[0];
-			nWaitTime = B2C2_WAIT_FOR_OPERATION_V8WRITE;
-			dwRequestType = (u8) RTYPE_WRITE_V8_MEMORY;
-			pipe = B2C2_USB_CTRL_PIPE_OUT;
-		break;
-		case B2C2_USB_FLASH_BLOCK:
-			nWaitTime = B2C2_WAIT_FOR_OPERATION_V8FLASH;
-			dwRequestType = (u8) RTYPE_WRITE_V8_FLASH;
-			pipe = B2C2_USB_CTRL_PIPE_OUT;
-		break;
-		default:
-			deb_info("unsupported request for v8_mem_req %x.\n",req);
-		return -EINVAL;
-	}
-	len = usb_control_msg(b2c2->udev,pipe,
-			req,
-			dwRequestType,
-			wAddress,
-			wIndex,
-			pbBuffer,
-			buflen,
-			nWaitTime * 1000);
-	return len == buflen ? 0 : -EIO;
-}
-
-static int b2c2_usb_i2c_req(struct usb_b2c2_usb *b2c2,
-		b2c2_usb_request_t req, b2c2_usb_i2c_function_t func,
-		u8 port, u8 chipaddr, u8 addr, u8 buflen, u8 *buf)
-{
-	u16 wValue, wIndex;
-	int nWaitTime,pipe,len;
-	u8 dwRequestType;
-
-	switch (func) {
-		case USB_FUNC_I2C_WRITE:
-		case USB_FUNC_I2C_MULTIWRITE:
-		case USB_FUNC_I2C_REPEATWRITE:
-		/* DKT 020208 - add this to support special case of DiSEqC */
-		case USB_FUNC_I2C_CHECKWRITE:
-			pipe = B2C2_USB_CTRL_PIPE_OUT;
-			nWaitTime = 2;
-			dwRequestType = (u8) RTYPE_GENERIC;
-		break;
-		case USB_FUNC_I2C_READ:
-		case USB_FUNC_I2C_REPEATREAD:
-			pipe = B2C2_USB_CTRL_PIPE_IN;
-			nWaitTime = 2;
-			dwRequestType = (u8) RTYPE_GENERIC;
-		break;
-		default:
-			deb_info("unsupported function for i2c_req %x\n",func);
-			return -EINVAL;
-	}
-	wValue = (func << 8 ) | port;
-	wIndex = (chipaddr << 8 ) | addr;
-
-	len = usb_control_msg(b2c2->udev,pipe,
-			req,
-			dwRequestType,
-			addr,
-			wIndex,
-			buf,
-			buflen,
-			nWaitTime * 1000);
-	return len == buflen ? 0 : -EIO;
-}
-
-int static b2c2_usb_utility_req(struct usb_b2c2_usb *b2c2, int set,
-		b2c2_usb_utility_function_t func, u8 extra, u16 wIndex,
-		u16 buflen, u8 *pvBuffer)
-{
-	u16 wValue;
-	int nWaitTime = 2,
-		pipe = set ? B2C2_USB_CTRL_PIPE_OUT : B2C2_USB_CTRL_PIPE_IN,
-		len;
-
-	wValue = (func << 8) | extra;
-
-	len = usb_control_msg(b2c2->udev,pipe,
-			B2C2_USB_UTILITY,
-			(u8) RTYPE_GENERIC,
-			wValue,
-			wIndex,
-			pvBuffer,
-			buflen,
-			nWaitTime * 1000);
-	return len == buflen ? 0 : -EIO;
-}
-
-
-
-static void b2c2_dumpfourreg(struct usb_b2c2_usb *b2c2, u16 offs)
-{
-	u32 r0,r1,r2,r3;
-	r0 = r1 = r2 = r3 = 0;
-	r0 = b2c2_usb_read_dw(b2c2,offs);
-	r1 = b2c2_usb_read_dw(b2c2,offs + 0x04);
-	r2 = b2c2_usb_read_dw(b2c2,offs + 0x08);
-	r3 = b2c2_usb_read_dw(b2c2,offs + 0x0c);
-	deb_ctrl("dump: offset: %03x, %08x, %08x, %08x, %08x\n",offs,r0,r1,r2,r3);
-}
-
-static void b2c2_urb_complete(struct urb *urb, struct pt_regs *ptregs)
-{
-	struct usb_b2c2_usb *b2c2 = urb->context;
-	deb_ts("urb completed, bufsize: %d\n",urb->transfer_buffer_length);
-
-//	urb_submit_urb(urb,GFP_ATOMIC); enable for real action
-}
-
-static void b2c2_exit_usb(struct usb_b2c2_usb *b2c2)
-{
-	int i;
-	for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++)
-		if (b2c2->iso_urb[i] != NULL) { /* not sure about unlink_urb and iso-urbs TODO */
-			deb_info("unlinking/killing urb no. %d\n",i);
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,7)
-			usb_unlink_urb(b2c2->iso_urb[i]);
-#else
-			usb_kill_urb(b2c2->iso_urb[i]);
-#endif
-			usb_free_urb(b2c2->iso_urb[i]);
-		}
-
-	if (b2c2->iso_buffer != NULL)
-		pci_free_consistent(NULL,b2c2->buffer_size, b2c2->iso_buffer, b2c2->iso_dma_handle);
-
-}
-
-static int b2c2_init_usb(struct usb_b2c2_usb *b2c2)
-{
-	u16 frame_size = le16_to_cpu(b2c2->uintf->cur_altsetting->endpoint[0].desc.wMaxPacketSize);
-	int bufsize = B2C2_USB_NUM_ISO_URB * B2C2_USB_FRAMES_PER_ISO * frame_size,i,j,ret;
-	int buffer_offset = 0;
-
-	deb_info("creating %d iso-urbs with %d frames each of %d bytes size = %d.\n",
-			B2C2_USB_NUM_ISO_URB, B2C2_USB_FRAMES_PER_ISO, frame_size,bufsize);
-
-	b2c2->iso_buffer = pci_alloc_consistent(NULL,bufsize,&b2c2->iso_dma_handle);
-	if (b2c2->iso_buffer == NULL)
-		return -ENOMEM;
-	memset(b2c2->iso_buffer, 0, bufsize);
-	b2c2->buffer_size = bufsize;
-
-	/* creating iso urbs */
-	for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++)
-		if (!(b2c2->iso_urb[i] = usb_alloc_urb(B2C2_USB_FRAMES_PER_ISO,GFP_ATOMIC))) {
-			ret = -ENOMEM;
-			goto urb_error;
-		}
-	/* initialising and submitting iso urbs */
-	for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) {
-		int frame_offset = 0;
-		struct urb *urb = b2c2->iso_urb[i];
-		deb_info("initializing and submitting urb no. %d (buf_offset: %d).\n",i,buffer_offset);
-
-		urb->dev = b2c2->udev;
-		urb->context = b2c2;
-		urb->complete = b2c2_urb_complete;
-		urb->pipe = B2C2_USB_DATA_PIPE;
-		urb->transfer_flags = URB_ISO_ASAP;
-		urb->interval = 1;
-		urb->number_of_packets = B2C2_USB_FRAMES_PER_ISO;
-		urb->transfer_buffer_length = frame_size * B2C2_USB_FRAMES_PER_ISO;
-		urb->transfer_buffer = b2c2->iso_buffer + buffer_offset;
-
-		buffer_offset += frame_size * B2C2_USB_FRAMES_PER_ISO;
-		for (j = 0; j < B2C2_USB_FRAMES_PER_ISO; j++) {
-			deb_info("urb no: %d, frame: %d, frame_offset: %d\n",i,j,frame_offset);
-			urb->iso_frame_desc[j].offset = frame_offset;
-			urb->iso_frame_desc[j].length = frame_size;
-			frame_offset += frame_size;
-		}
-
-		if ((ret = usb_submit_urb(b2c2->iso_urb[i],GFP_ATOMIC))) {
-			err("submitting urb %d failed with %d.",i,ret);
-			goto urb_error;
-		}
-		deb_info("submitted urb no. %d.\n",i);
-	}
-
-	ret = 0;
-	goto success;
-urb_error:
-	b2c2_exit_usb(b2c2);
-success:
-	return ret;
-}
-
-static int b2c2_usb_probe(struct usb_interface *intf,
-		const struct usb_device_id *id)
-{
-	struct usb_device *udev = interface_to_usbdev(intf);
-	struct usb_b2c2_usb *b2c2 = NULL;
-	int ret;
-
-	b2c2 = kmalloc(sizeof(struct usb_b2c2_usb),GFP_KERNEL);
-	if (b2c2 == NULL) {
-		err("no memory");
-		return -ENOMEM;
-	}
-	b2c2->udev = udev;
-	b2c2->uintf = intf;
-
-	/* use the alternate setting with the larges buffer */
-	usb_set_interface(udev,0,1);
-
-	if ((ret = b2c2_init_usb(b2c2)))
-		goto usb_init_error;
-
-	usb_set_intfdata(intf,b2c2);
-
-	switch (udev->speed) {
-		case USB_SPEED_LOW:
-			err("cannot handle USB speed because it is to sLOW.");
-			break;
-		case USB_SPEED_FULL:
-			info("running at FULL speed.");
-			break;
-		case USB_SPEED_HIGH:
-			info("running at HIGH speed.");
-			break;
-		case USB_SPEED_UNKNOWN: /* fall through */
-		default:
-			err("cannot handle USB speed because it is unkown.");
-		break;
-	}
-
-	b2c2_dumpfourreg(b2c2,0x200);
-	b2c2_dumpfourreg(b2c2,0x300);
-	b2c2_dumpfourreg(b2c2,0x400);
-	b2c2_dumpfourreg(b2c2,0x700);
-
-
-	if (ret == 0)
-		info("%s successfully initialized and connected.",DRIVER_DESC);
-	else
-		info("%s error while loading driver (%d)",DRIVER_DESC,ret);
-
-	ret = 0;
-	goto success;
-
-usb_init_error:
-	kfree(b2c2);
-success:
-	return ret;
-}
-
-static void b2c2_usb_disconnect(struct usb_interface *intf)
-{
-	struct usb_b2c2_usb *b2c2 = usb_get_intfdata(intf);
-	usb_set_intfdata(intf,NULL);
-	if (b2c2 != NULL) {
-		b2c2_exit_usb(b2c2);
-		kfree(b2c2);
-	}
-	info("%s successfully deinitialized and disconnected.",DRIVER_DESC);
-
-}
-
-static struct usb_device_id b2c2_usb_table [] = {
-	    { USB_DEVICE(0x0af7, 0x0101) }
-};
-
-/* usb specific object needed to register this driver with the usb subsystem */
-static struct usb_driver b2c2_usb_driver = {
-	.owner		= THIS_MODULE,
-	.name		= "dvb_b2c2_usb",
-	.probe 		= b2c2_usb_probe,
-	.disconnect = b2c2_usb_disconnect,
-	.id_table 	= b2c2_usb_table,
-};
-
-/* module stuff */
-static int __init b2c2_usb_init(void)
-{
-	int result;
-	if ((result = usb_register(&b2c2_usb_driver))) {
-		err("usb_register failed. Error number %d",result);
-		return result;
-	}
-
-	return 0;
-}
-
-static void __exit b2c2_usb_exit(void)
-{
-	/* deregister this driver from the USB subsystem */
-	usb_deregister(&b2c2_usb_driver);
-}
-
-module_init (b2c2_usb_init);
-module_exit (b2c2_usb_exit);
-
-MODULE_AUTHOR(DRIVER_AUTHOR);
-MODULE_DESCRIPTION(DRIVER_DESC);
-MODULE_LICENSE("GPL");
-MODULE_DEVICE_TABLE(usb, b2c2_usb_table);
diff --git a/drivers/media/dvb/b2c2/flexcop-common.h b/drivers/media/dvb/b2c2/flexcop-common.h
new file mode 100644
index 00000000000..773d158032d
--- /dev/null
+++ b/drivers/media/dvb/b2c2/flexcop-common.h
@@ -0,0 +1,164 @@
+/*
+ * This file is part of linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III
+ *
+ * flexcop-common.h - common header file for device-specific source files also.
+ *
+ * see flexcop.c for copyright information.
+ */
+#ifndef __FLEXCOP_COMMON_H__
+#define __FLEXCOP_COMMON_H__
+
+#include <linux/config.h>
+#include <linux/pci.h>
+
+#include "flexcop-reg.h"
+
+#include "dmxdev.h"
+#include "dvb_demux.h"
+#include "dvb_filter.h"
+#include "dvb_net.h"
+#include "dvb_frontend.h"
+
+#define FC_MAX_FEED 256
+
+#ifndef FC_LOG_PREFIX
+#warning please define a log prefix for your file, using a default one
+#define FC_LOG_PREFIX "b2c2-undef"
+#endif
+
+/* Steal from usb.h */
+#undef err
+#define err(format,  arg...) printk(KERN_ERR     FC_LOG_PREFIX ": " format "\n" , ## arg)
+#undef info
+#define info(format, arg...) printk(KERN_INFO    FC_LOG_PREFIX ": " format "\n" , ## arg)
+#undef warn
+#define warn(format, arg...) printk(KERN_WARNING FC_LOG_PREFIX ": " format "\n" , ## arg)
+
+struct flexcop_dma {
+	struct pci_dev *pdev;
+
+	u8 *cpu_addr0;
+	dma_addr_t dma_addr0;
+	u8 *cpu_addr1;
+	dma_addr_t dma_addr1;
+	u32 size; /* size of each address in bytes */
+};
+
+/* Control structure for data definitions that are common to
+ * the B2C2-based PCI and USB devices.
+ */
+struct flexcop_device {
+	/* general */
+	struct device *dev; /* for firmware_class */
+
+#define FC_STATE_DVB_INIT 0x01
+#define FC_STATE_I2C_INIT 0x02
+#define FC_STATE_FE_INIT  0x04
+	int init_state;
+
+	/* device information */
+	int has_32_hw_pid_filter;
+	flexcop_revision_t rev;
+	flexcop_device_type_t dev_type;
+	flexcop_bus_t bus_type;
+
+	/* dvb stuff */
+	struct dvb_adapter dvb_adapter;
+	struct dvb_frontend *fe;
+	struct dvb_net dvbnet;
+	struct dvb_demux demux;
+	struct dmxdev dmxdev;
+	struct dmx_frontend hw_frontend;
+	struct dmx_frontend mem_frontend;
+	int (*fe_sleep) (struct dvb_frontend *);
+
+	struct i2c_adapter i2c_adap;
+	struct semaphore i2c_sem;
+
+	struct module *owner;
+
+	/* options and status */
+	int extra_feedcount;
+	int feedcount;
+	int pid_filtering;
+	int fullts_streaming_state;
+
+	/* bus specific callbacks */
+	flexcop_ibi_value (*read_ibi_reg)  (struct flexcop_device *, flexcop_ibi_register);
+	int               (*write_ibi_reg) (struct flexcop_device *, flexcop_ibi_register, flexcop_ibi_value);
+
+
+	int (*i2c_request) (struct flexcop_device*, flexcop_access_op_t, flexcop_i2c_port_t, u8 chipaddr, u8 addr, u8 *buf, u16 len);
+	int (*stream_control) (struct flexcop_device*, int);
+
+	int (*get_mac_addr) (struct flexcop_device *fc, int extended);
+
+	void *bus_specific;
+};
+
+/* exported prototypes */
+
+/* from flexcop.c */
+void flexcop_pass_dmx_data(struct flexcop_device *fc, u8 *buf, u32 len);
+void flexcop_pass_dmx_packets(struct flexcop_device *fc, u8 *buf, u32 no);
+
+struct flexcop_device *flexcop_device_kmalloc(size_t bus_specific_len);
+void flexcop_device_kfree(struct flexcop_device*);
+
+int  flexcop_device_initialize(struct flexcop_device*);
+void flexcop_device_exit(struct flexcop_device *fc);
+
+/* from flexcop-dma.c */
+int flexcop_dma_allocate(struct pci_dev *pdev, struct flexcop_dma *dma, u32 size);
+void flexcop_dma_free(struct flexcop_dma *dma);
+
+int flexcop_dma_control_timer_irq(struct flexcop_device *fc, flexcop_dma_index_t no, int onoff);
+int flexcop_dma_control_size_irq(struct flexcop_device *fc, flexcop_dma_index_t no, int onoff);
+int flexcop_dma_control_packet_irq(struct flexcop_device *fc, flexcop_dma_index_t no, int onoff);
+int flexcop_dma_config(struct flexcop_device *fc, struct flexcop_dma *dma, flexcop_dma_index_t dma_idx,flexcop_dma_addr_index_t index);
+int flexcop_dma_config_timer(struct flexcop_device *fc, flexcop_dma_index_t dma_idx, u8 cycles);
+int flexcop_dma_config_packet_count(struct flexcop_device *fc, flexcop_dma_index_t dma_idx, u8 packets);
+
+/* from flexcop-eeprom.c */
+/* the PCI part uses this call to get the MAC address, the USB part has its own */
+int flexcop_eeprom_check_mac_addr(struct flexcop_device *fc, int extended);
+
+/* from flexcop-i2c.c */
+/* the PCI part uses this a i2c_request callback, whereas the usb part has its own
+ * one. We have it in flexcop-i2c.c, because it is going via the actual
+ * I2C-channel of the flexcop.
+ */
+int flexcop_i2c_request(struct flexcop_device*, flexcop_access_op_t,
+		        flexcop_i2c_port_t, u8 chipaddr, u8 addr, u8 *buf, u16 len);
+
+/* from flexcop-sram.c */
+int flexcop_sram_set_dest(struct flexcop_device *fc, flexcop_sram_dest_t dest, flexcop_sram_dest_target_t target);
+void flexcop_wan_set_speed(struct flexcop_device *fc, flexcop_wan_speed_t s);
+void flexcop_sram_ctrl(struct flexcop_device *fc, int usb_wan, int sramdma, int maximumfill);
+
+/* global prototypes for the flexcop-chip */
+/* from flexcop-fe-tuner.c */
+int flexcop_frontend_init(struct flexcop_device *card);
+void flexcop_frontend_exit(struct flexcop_device *fc);
+
+/* from flexcop-i2c.c */
+int flexcop_i2c_init(struct flexcop_device *fc);
+void flexcop_i2c_exit(struct flexcop_device *fc);
+
+/* from flexcop-sram.c */
+int flexcop_sram_init(struct flexcop_device *fc);
+
+/* from flexcop-misc.c */
+void flexcop_determine_revision(struct flexcop_device *fc);
+void flexcop_device_name(struct flexcop_device *fc,const char *prefix,const char *suffix);
+
+/* from flexcop-hw-filter.c */
+int flexcop_pid_feed_control(struct flexcop_device *fc, struct dvb_demux_feed *dvbdmxfeed, int onoff);
+void flexcop_hw_filter_init(struct flexcop_device *fc);
+
+void flexcop_smc_ctrl(struct flexcop_device *fc, int onoff);
+
+void flexcop_set_mac_filter(struct flexcop_device *fc, u8 mac[6]);
+void flexcop_mac_filter_ctrl(struct flexcop_device *fc, int onoff);
+
+#endif
diff --git a/drivers/media/dvb/b2c2/flexcop-dma.c b/drivers/media/dvb/b2c2/flexcop-dma.c
new file mode 100644
index 00000000000..8d270607536
--- /dev/null
+++ b/drivers/media/dvb/b2c2/flexcop-dma.c
@@ -0,0 +1,149 @@
+/*
+ * This file is part of linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III
+ *
+ * flexcop-dma.c - methods for configuring and controlling the DMA of the FlexCop.
+ *
+ * see flexcop.c for copyright information.
+ */
+#include "flexcop.h"
+
+int flexcop_dma_allocate(struct pci_dev *pdev, struct flexcop_dma *dma, u32 size)
+{
+	u8 *tcpu;
+	dma_addr_t tdma;
+
+	if (size % 2) {
+		err("dma buffersize has to be even.");
+		return -EINVAL;
+	}
+
+	if ((tcpu = pci_alloc_consistent(pdev, size, &tdma)) != NULL) {
+		dma->pdev = pdev;
+		dma->cpu_addr0 = tcpu;
+		dma->dma_addr0 = tdma;
+		dma->cpu_addr1 = tcpu + size/2;
+		dma->dma_addr1 = tdma + size/2;
+		dma->size = size/2;
+		return 0;
+	}
+	return -ENOMEM;
+}
+EXPORT_SYMBOL(flexcop_dma_allocate);
+
+void flexcop_dma_free(struct flexcop_dma *dma)
+{
+	pci_free_consistent(dma->pdev, dma->size*2,dma->cpu_addr0, dma->dma_addr0);
+	memset(dma,0,sizeof(struct flexcop_dma));
+}
+EXPORT_SYMBOL(flexcop_dma_free);
+
+int flexcop_dma_control_timer_irq(struct flexcop_device *fc, flexcop_dma_index_t no, int onoff)
+{
+	flexcop_ibi_value v = fc->read_ibi_reg(fc,ctrl_208);
+
+	if (no & FC_DMA_1)
+		v.ctrl_208.DMA1_Timer_Enable_sig = onoff;
+
+	if (no & FC_DMA_2)
+		v.ctrl_208.DMA2_Timer_Enable_sig = onoff;
+
+	fc->write_ibi_reg(fc,ctrl_208,v);
+	return 0;
+}
+EXPORT_SYMBOL(flexcop_dma_control_timer_irq);
+
+int flexcop_dma_control_size_irq(struct flexcop_device *fc, flexcop_dma_index_t no, int onoff)
+{
+	flexcop_ibi_value v = fc->read_ibi_reg(fc,ctrl_208);
+
+	if (no & FC_DMA_1)
+		v.ctrl_208.DMA1_IRQ_Enable_sig = onoff;
+
+	if (no & FC_DMA_2)
+		v.ctrl_208.DMA2_IRQ_Enable_sig = onoff;
+
+	fc->write_ibi_reg(fc,ctrl_208,v);
+	return 0;
+}
+EXPORT_SYMBOL(flexcop_dma_control_size_irq);
+
+int flexcop_dma_control_packet_irq(struct flexcop_device *fc, flexcop_dma_index_t no, int onoff)
+{
+	flexcop_ibi_value v = fc->read_ibi_reg(fc,ctrl_208);
+
+	if (no & FC_DMA_1)
+		v.ctrl_208.DMA1_Size_IRQ_Enable_sig = onoff;
+
+	if (no & FC_DMA_2)
+		v.ctrl_208.DMA2_Size_IRQ_Enable_sig = onoff;
+
+	fc->write_ibi_reg(fc,ctrl_208,v);
+	return 0;
+}
+EXPORT_SYMBOL(flexcop_dma_control_packet_irq);
+
+int flexcop_dma_config(struct flexcop_device *fc, struct flexcop_dma *dma, flexcop_dma_index_t dma_idx,flexcop_dma_addr_index_t index)
+{
+
+	flexcop_ibi_value v0x0,v0x4,v0xc;
+	v0x0.raw = v0x4.raw = v0xc.raw = 0;
+
+	v0x0.dma_0x0.dma_address0        = dma->dma_addr0 >> 2;
+	v0xc.dma_0xc.dma_address1        = dma->dma_addr1 >> 2;
+	v0x4.dma_0x4_write.dma_addr_size = dma->size / 4;
+
+	if (index & FC_DMA_SUBADDR_0)
+		v0x0.dma_0x0.dma_0start = 1;
+
+	if (index & FC_DMA_SUBADDR_1)
+		v0xc.dma_0xc.dma_1start = 1;
+
+	if (dma_idx & FC_DMA_1) {
+		fc->write_ibi_reg(fc,dma1_000,v0x0);
+		fc->write_ibi_reg(fc,dma1_004,v0x4);
+		fc->write_ibi_reg(fc,dma1_00c,v0xc);
+	} else { /* (dma_idx & FC_DMA_2) */
+		fc->write_ibi_reg(fc,dma2_010,v0x0);
+		fc->write_ibi_reg(fc,dma2_014,v0x4);
+		fc->write_ibi_reg(fc,dma2_01c,v0xc);
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL(flexcop_dma_config);
+
+static int flexcop_dma_remap(struct flexcop_device *fc, flexcop_dma_index_t dma_idx, int onoff)
+{
+	flexcop_ibi_register r = (dma_idx & FC_DMA_1) ? dma1_00c : dma2_01c;
+	flexcop_ibi_value v = fc->read_ibi_reg(fc,r);
+	v.dma_0xc.remap_enable = onoff;
+	fc->write_ibi_reg(fc,r,v);
+	return 0;
+}
+
+/* 1 cycles = 1.97 msec */
+int flexcop_dma_config_timer(struct flexcop_device *fc, flexcop_dma_index_t dma_idx, u8 cycles)
+{
+	flexcop_ibi_register r = (dma_idx & FC_DMA_1) ? dma1_004 : dma2_014;
+	flexcop_ibi_value v = fc->read_ibi_reg(fc,r);
+
+	flexcop_dma_remap(fc,dma_idx,0);
+
+	v.dma_0x4_write.dmatimer = cycles >> 1;
+	fc->write_ibi_reg(fc,r,v);
+	return 0;
+}
+EXPORT_SYMBOL(flexcop_dma_config_timer);
+
+int flexcop_dma_config_packet_count(struct flexcop_device *fc, flexcop_dma_index_t dma_idx, u8 packets)
+{
+	flexcop_ibi_register r = (dma_idx & FC_DMA_1) ? dma1_004 : dma2_014;
+	flexcop_ibi_value v = fc->read_ibi_reg(fc,r);
+
+	flexcop_dma_remap(fc,dma_idx,1);
+
+	v.dma_0x4_remap.DMA_maxpackets = packets;
+	fc->write_ibi_reg(fc,r,v);
+	return 0;
+}
+EXPORT_SYMBOL(flexcop_dma_config_packet_count);
diff --git a/drivers/media/dvb/b2c2/flexcop-eeprom.c b/drivers/media/dvb/b2c2/flexcop-eeprom.c
new file mode 100644
index 00000000000..bbcf070a178
--- /dev/null
+++ b/drivers/media/dvb/b2c2/flexcop-eeprom.c
@@ -0,0 +1,153 @@
+/*
+ * This file is part of linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III
+ *
+ * flexcop-eeprom.c - eeprom access methods (currently only MAC address reading is used)
+ *
+ * see flexcop.c for copyright information.
+ */
+#include "flexcop.h"
+
+#if 0
+/*EEPROM (Skystar2 has one "24LC08B" chip on board) */
+static int eeprom_write(struct adapter *adapter, u16 addr, u8 *buf, u16 len)
+{
+	return flex_i2c_write(adapter, 0x20000000, 0x50, addr, buf, len);
+}
+
+static int eeprom_lrc_write(struct adapter *adapter, u32 addr, u32 len, u8 *wbuf, u8 *rbuf, int retries)
+{
+	int i;
+
+	for (i = 0; i < retries; i++) {
+		if (eeprom_write(adapter, addr, wbuf, len) == len) {
+			if (eeprom_lrc_read(adapter, addr, len, rbuf, retries) == 1)
+				return 1;
+		}
+	}
+
+	return 0;
+}
+
+/* These functions could be used to unlock SkyStar2 cards. */
+
+static int eeprom_writeKey(struct adapter *adapter, u8 *key, u32 len)
+{
+	u8 rbuf[20];
+	u8 wbuf[20];
+
+	if (len != 16)
+		return 0;
+
+	memcpy(wbuf, key, len);
+
+	wbuf[16] = 0;
+	wbuf[17] = 0;
+	wbuf[18] = 0;
+	wbuf[19] = calc_lrc(wbuf, 19);
+
+	return eeprom_lrc_write(adapter, 0x3e4, 20, wbuf, rbuf, 4);
+}
+
+static int eeprom_readKey(struct adapter *adapter, u8 *key, u32 len)
+{
+	u8 buf[20];
+
+	if (len != 16)
+		return 0;
+
+	if (eeprom_lrc_read(adapter, 0x3e4, 20, buf, 4) == 0)
+		return 0;
+
+	memcpy(key, buf, len);
+
+	return 1;
+}
+
+static char eeprom_set_mac_addr(struct adapter *adapter, char type, u8 *mac)
+{
+	u8 tmp[8];
+
+	if (type != 0) {
+		tmp[0] = mac[0];
+		tmp[1] = mac[1];
+		tmp[2] = mac[2];
+		tmp[3] = mac[5];
+		tmp[4] = mac[6];
+		tmp[5] = mac[7];
+
+	} else {
+
+		tmp[0] = mac[0];
+		tmp[1] = mac[1];
+		tmp[2] = mac[2];
+		tmp[3] = mac[3];
+		tmp[4] = mac[4];
+		tmp[5] = mac[5];
+	}
+
+	tmp[6] = 0;
+	tmp[7] = calc_lrc(tmp, 7);
+
+	if (eeprom_write(adapter, 0x3f8, tmp, 8) == 8)
+		return 1;
+
+	return 0;
+}
+
+static int flexcop_eeprom_read(struct flexcop_device *fc, u16 addr, u8 *buf, u16 len)
+{
+	return fc->i2c_request(fc,FC_READ,FC_I2C_PORT_EEPROM,0x50,addr,buf,len);
+}
+
+#endif
+
+static u8 calc_lrc(u8 *buf, int len)
+{
+	int i;
+	u8 sum = 0;
+	for (i = 0; i < len; i++)
+		sum = sum ^ buf[i];
+	return sum;
+}
+
+static int flexcop_eeprom_request(struct flexcop_device *fc, flexcop_access_op_t op, u16 addr, u8 *buf, u16 len, int retries)
+{
+	int i,ret = 0;
+	u8 chipaddr =  0x50 | ((addr >> 8) & 3);
+	for (i = 0; i < retries; i++)
+		if ((ret = fc->i2c_request(fc,op,FC_I2C_PORT_EEPROM,chipaddr,addr & 0xff,buf,len)) == 0)
+			break;
+	return ret;
+}
+
+static int flexcop_eeprom_lrc_read(struct flexcop_device *fc, u16 addr, u8 *buf, u16 len, int retries)
+{
+	int ret = flexcop_eeprom_request(fc,FC_READ,addr,buf,len,retries);
+	if (ret == 0)
+		if (calc_lrc(buf, len - 1) != buf[len - 1])
+			ret = -EINVAL;
+	return ret;
+}
+
+/* JJ's comment about extended == 1: it is not presently used anywhere but was
+ * added to the low-level functions for possible support of EUI64
+ */
+int flexcop_eeprom_check_mac_addr(struct flexcop_device *fc, int extended)
+{
+	u8 buf[8];
+	int ret = 0;
+
+	if ((ret = flexcop_eeprom_lrc_read(fc,0x3f8,buf,8,4)) == 0) {
+		if (extended != 0) {
+			err("TODO: extended (EUI64) MAC addresses aren't completely supported yet");
+			ret = -EINVAL;
+/*			memcpy(fc->dvb_adapter.proposed_mac,buf,3);
+			mac[3] = 0xfe;
+			mac[4] = 0xff;
+			memcpy(&fc->dvb_adapter.proposed_mac[3],&buf[5],3); */
+		} else
+			memcpy(fc->dvb_adapter.proposed_mac,buf,6);
+	}
+	return ret;
+}
+EXPORT_SYMBOL(flexcop_eeprom_check_mac_addr);
diff --git a/drivers/media/dvb/b2c2/flexcop-fe-tuner.c b/drivers/media/dvb/b2c2/flexcop-fe-tuner.c
new file mode 100644
index 00000000000..71be400e9ae
--- /dev/null
+++ b/drivers/media/dvb/b2c2/flexcop-fe-tuner.c
@@ -0,0 +1,403 @@
+/*
+ * This file is part of linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III
+ *
+ * flexcop-fe-tuner.c - methods for attaching a frontend and controlling DiSEqC.
+ *
+ * see flexcop.c for copyright information.
+ */
+#include "flexcop.h"
+
+#include "stv0299.h"
+#include "mt352.h"
+#include "nxt2002.h"
+#include "stv0297.h"
+#include "mt312.h"
+
+/* lnb control */
+
+static int flexcop_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
+{
+	struct flexcop_device *fc = fe->dvb->priv;
+	flexcop_ibi_value v;
+	deb_tuner("polarity/voltage = %u\n", voltage);
+
+	v = fc->read_ibi_reg(fc, misc_204);
+	switch (voltage) {
+		case SEC_VOLTAGE_OFF:
+			v.misc_204.ACPI1_sig = 1;
+			break;
+		case SEC_VOLTAGE_13:
+			v.misc_204.ACPI1_sig = 0;
+			v.misc_204.LNB_L_H_sig = 0;
+			break;
+		case SEC_VOLTAGE_18:
+			v.misc_204.ACPI1_sig = 0;
+			v.misc_204.LNB_L_H_sig = 1;
+			break;
+		default:
+			err("unknown SEC_VOLTAGE value");
+			return -EINVAL;
+	}
+	return fc->write_ibi_reg(fc, misc_204, v);
+}
+
+static int flexcop_sleep(struct dvb_frontend* fe)
+{
+	struct flexcop_device *fc = fe->dvb->priv;
+/*	flexcop_ibi_value v = fc->read_ibi_reg(fc,misc_204); */
+
+	if (fc->fe_sleep)
+		return fc->fe_sleep(fe);
+
+/*	v.misc_204.ACPI3_sig = 1;
+	fc->write_ibi_reg(fc,misc_204,v);*/
+
+	return 0;
+}
+
+static int flexcop_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
+{
+	/* u16 wz_half_period_for_45_mhz[] = { 0x01ff, 0x0154, 0x00ff, 0x00cc }; */
+	struct flexcop_device *fc = fe->dvb->priv;
+	flexcop_ibi_value v;
+	u16 ax;
+	v.raw = 0;
+
+	deb_tuner("tone = %u\n",tone);
+
+	switch (tone) {
+		case SEC_TONE_ON:
+			ax = 0x01ff;
+			break;
+		case SEC_TONE_OFF:
+			ax = 0;
+			break;
+		default:
+			err("unknown SEC_TONE value");
+			return -EINVAL;
+	}
+
+	v.lnb_switch_freq_200.LNB_CTLPrescaler_sig = 1; /* divide by 2 */
+
+	v.lnb_switch_freq_200.LNB_CTLHighCount_sig = ax;
+	v.lnb_switch_freq_200.LNB_CTLLowCount_sig  = ax == 0 ? 0x1ff : ax;
+
+	return fc->write_ibi_reg(fc,lnb_switch_freq_200,v);
+}
+
+static void flexcop_diseqc_send_bit(struct dvb_frontend* fe, int data)
+{
+	flexcop_set_tone(fe, SEC_TONE_ON);
+	udelay(data ? 500 : 1000);
+	flexcop_set_tone(fe, SEC_TONE_OFF);
+	udelay(data ? 1000 : 500);
+}
+
+static void flexcop_diseqc_send_byte(struct dvb_frontend* fe, int data)
+{
+	int i, par = 1, d;
+
+	for (i = 7; i >= 0; i--) {
+		d = (data >> i) & 1;
+		par ^= d;
+		flexcop_diseqc_send_bit(fe, d);
+	}
+
+	flexcop_diseqc_send_bit(fe, par);
+}
+
+static int flexcop_send_diseqc_msg(struct dvb_frontend* fe, int len, u8 *msg, unsigned long burst)
+{
+	int i;
+
+	flexcop_set_tone(fe, SEC_TONE_OFF);
+	mdelay(16);
+
+	for (i = 0; i < len; i++)
+		flexcop_diseqc_send_byte(fe,msg[i]);
+
+	mdelay(16);
+
+	if (burst != -1) {
+		if (burst)
+			flexcop_diseqc_send_byte(fe, 0xff);
+		else {
+			flexcop_set_tone(fe, SEC_TONE_ON);
+			udelay(12500);
+			flexcop_set_tone(fe, SEC_TONE_OFF);
+		}
+		msleep(20);
+	}
+	return 0;
+}
+
+static int flexcop_diseqc_send_master_cmd(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd* cmd)
+{
+	return flexcop_send_diseqc_msg(fe, cmd->msg_len, cmd->msg, 0);
+}
+
+static int flexcop_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t minicmd)
+{
+	return flexcop_send_diseqc_msg(fe, 0, NULL, minicmd);
+}
+
+/* dvb-s stv0299 */
+static int samsung_tbmu24112_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 samsung_tbmu24112_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
+{
+	u8 buf[4];
+	u32 div;
+	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };
+	struct flexcop_device *fc = fe->dvb->priv;
+
+	div = params->frequency / 125;
+
+	buf[0] = (div >> 8) & 0x7f;
+	buf[1] = div & 0xff;
+	buf[2] = 0x84;  /* 0xC4 */
+	buf[3] = 0x08;
+
+	if (params->frequency < 1500000) buf[3] |= 0x10;
+
+	if (i2c_transfer(&fc->i2c_adap, &msg, 1) != 1)
+		return -EIO;
+	return 0;
+}
+
+static u8 samsung_tbmu24112_inittab[] = {
+	     0x01, 0x15,
+	     0x02, 0x30,
+	     0x03, 0x00,
+	     0x04, 0x7D,
+	     0x05, 0x35,
+	     0x06, 0x02,
+	     0x07, 0x00,
+	     0x08, 0xC3,
+	     0x0C, 0x00,
+	     0x0D, 0x81,
+	     0x0E, 0x23,
+	     0x0F, 0x12,
+	     0x10, 0x7E,
+	     0x11, 0x84,
+	     0x12, 0xB9,
+	     0x13, 0x88,
+	     0x14, 0x89,
+	     0x15, 0xC9,
+	     0x16, 0x00,
+	     0x17, 0x5C,
+	     0x18, 0x00,
+	     0x19, 0x00,
+	     0x1A, 0x00,
+	     0x1C, 0x00,
+	     0x1D, 0x00,
+	     0x1E, 0x00,
+	     0x1F, 0x3A,
+	     0x20, 0x2E,
+	     0x21, 0x80,
+	     0x22, 0xFF,
+	     0x23, 0xC1,
+	     0x28, 0x00,
+	     0x29, 0x1E,
+	     0x2A, 0x14,
+	     0x2B, 0x0F,
+	     0x2C, 0x09,
+	     0x2D, 0x05,
+	     0x31, 0x1F,
+	     0x32, 0x19,
+	     0x33, 0xFE,
+	     0x34, 0x93,
+	     0xff, 0xff,
+};
+
+static struct stv0299_config samsung_tbmu24112_config = {
+	.demod_address = 0x68,
+	.inittab = samsung_tbmu24112_inittab,
+	.mclk = 88000000UL,
+	.invert = 0,
+	.enhanced_tuning = 0,
+	.skip_reinit = 0,
+	.lock_output = STV0229_LOCKOUTPUT_LK,
+	.volt13_op0_op1 = STV0299_VOLT13_OP1,
+	.min_delay_ms = 100,
+	.set_symbol_rate = samsung_tbmu24112_set_symbol_rate,
+	.pll_set = samsung_tbmu24112_pll_set,
+};
+
+/* dvb-t mt352 */
+static int samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
+{
+	static u8 mt352_clock_config [] = { 0x89, 0x18, 0x2d };
+	static u8 mt352_reset [] = { 0x50, 0x80 };
+	static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
+	static u8 mt352_agc_cfg [] = { 0x67, 0x28, 0xa1 };
+	static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
+
+	mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
+	udelay(2000);
+	mt352_write(fe, mt352_reset, sizeof(mt352_reset));
+	mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
+
+	mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
+	mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
+
+	return 0;
+}
+
+static int samsung_tdtc9251dh0_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf)
+{
+	u32 div;
+	unsigned char bs = 0;
+
+	#define IF_FREQUENCYx6 217    /* 6 * 36.16666666667MHz */
+	div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
+
+	if (params->frequency >= 48000000 && params->frequency <= 154000000) bs = 0x09;
+	if (params->frequency >= 161000000 && params->frequency <= 439000000) bs = 0x0a;
+	if (params->frequency >= 447000000 && params->frequency <= 863000000) bs = 0x08;
+
+	pllbuf[0] = 0xc2; /* Note: non-linux standard PLL i2c address */
+	pllbuf[1] = div >> 8;
+	pllbuf[2] = div & 0xff;
+	pllbuf[3] = 0xcc;
+	pllbuf[4] = bs;
+
+	return 0;
+}
+
+static struct mt352_config samsung_tdtc9251dh0_config = {
+
+	.demod_address = 0x0f,
+	.demod_init = samsung_tdtc9251dh0_demod_init,
+	.pll_set = samsung_tdtc9251dh0_pll_set,
+};
+
+static int nxt2002_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
+{
+	struct flexcop_device *fc = fe->dvb->priv;
+	return request_firmware(fw, name, fc->dev);
+}
+
+static struct nxt2002_config samsung_tbmv_config = {
+	.demod_address = 0x0a,
+	.request_firmware = nxt2002_request_firmware,
+};
+
+static int skystar23_samsung_tbdu18132_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
+{
+	u8 buf[4];
+	u32 div;
+	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };
+	struct flexcop_device *fc = fe->dvb->priv;
+
+	div = (params->frequency + (125/2)) / 125;
+
+	buf[0] = (div >> 8) & 0x7f;
+	buf[1] = (div >> 0) & 0xff;
+	buf[2] = 0x84 | ((div >> 10) & 0x60);
+	buf[3] = 0x80;
+
+	if (params->frequency < 1550000)
+		buf[3] |= 0x02;
+
+	if (i2c_transfer(&fc->i2c_adap, &msg, 1) != 1)
+		return -EIO;
+	return 0;
+}
+
+static struct mt312_config skystar23_samsung_tbdu18132_config = {
+
+	.demod_address = 0x0e,
+	.pll_set = skystar23_samsung_tbdu18132_pll_set,
+};
+
+static struct stv0297_config alps_tdee4_stv0297_config = {
+	.demod_address = 0x1c,
+//	.invert = 1,
+//	.pll_set = alps_tdee4_stv0297_pll_set,
+};
+
+/* try to figure out the frontend, each card/box can have on of the following list */
+int flexcop_frontend_init(struct flexcop_device *fc)
+{
+	/* try the sky v2.6 (stv0299/Samsung tbmu24112(sl1935)) */
+	if ((fc->fe = stv0299_attach(&samsung_tbmu24112_config, &fc->i2c_adap)) != NULL) {
+		fc->fe->ops->set_voltage = flexcop_set_voltage;
+
+		fc->fe_sleep             = fc->fe->ops->sleep;
+		fc->fe->ops->sleep       = flexcop_sleep;
+
+		fc->dev_type          = FC_SKY;
+		info("found the stv0299 at i2c address: 0x%02x",samsung_tbmu24112_config.demod_address);
+	} else
+	/* try the air dvb-t (mt352/Samsung tdtc9251dh0(??)) */
+	if ((fc->fe = mt352_attach(&samsung_tdtc9251dh0_config, &fc->i2c_adap)) != NULL ) {
+		fc->dev_type          = FC_AIR_DVB;
+		info("found the mt352 at i2c address: 0x%02x",samsung_tdtc9251dh0_config.demod_address);
+	} else
+	/* try the air atsc (nxt2002) */
+	if ((fc->fe = nxt2002_attach(&samsung_tbmv_config, &fc->i2c_adap)) != NULL) {
+		fc->dev_type          = FC_AIR_ATSC;
+		info("found the nxt2002 at i2c address: 0x%02x",samsung_tbmv_config.demod_address);
+	} else
+	/* try the cable dvb (stv0297) */
+	if ((fc->fe = stv0297_attach(&alps_tdee4_stv0297_config, &fc->i2c_adap, 0xf8)) != NULL) {
+		fc->dev_type                        = FC_CABLE;
+		info("found the stv0297 at i2c address: 0x%02x",alps_tdee4_stv0297_config.demod_address);
+	} else
+	/* try the sky v2.3 (vp310/Samsung tbdu18132(tsa5059)) */
+	if ((fc->fe = vp310_attach(&skystar23_samsung_tbdu18132_config, &fc->i2c_adap)) != NULL) {
+		fc->fe->ops->diseqc_send_master_cmd = flexcop_diseqc_send_master_cmd;
+		fc->fe->ops->diseqc_send_burst      = flexcop_diseqc_send_burst;
+		fc->fe->ops->set_tone               = flexcop_set_tone;
+		fc->fe->ops->set_voltage            = flexcop_set_voltage;
+
+		fc->fe_sleep                        = fc->fe->ops->sleep;
+		fc->fe->ops->sleep                  = flexcop_sleep;
+
+		fc->dev_type                        = FC_SKY_OLD;
+		info("found the vp310 (aka mt312) at i2c address: 0x%02x",skystar23_samsung_tbdu18132_config.demod_address);
+	}
+
+	if (fc->fe == NULL) {
+		err("no frontend driver found for this B2C2/FlexCop adapter");
+		return -ENODEV;
+	} else {
+		if (dvb_register_frontend(&fc->dvb_adapter, fc->fe)) {
+			err("frontend registration failed!");
+			if (fc->fe->ops->release != NULL)
+				fc->fe->ops->release(fc->fe);
+			fc->fe = NULL;
+			return -EINVAL;
+		}
+	}
+	fc->init_state |= FC_STATE_FE_INIT;
+	return 0;
+}
+
+void flexcop_frontend_exit(struct flexcop_device *fc)
+{
+	if (fc->init_state & FC_STATE_FE_INIT)
+		dvb_unregister_frontend(fc->fe);
+
+	fc->init_state &= ~FC_STATE_FE_INIT;
+}
diff --git a/drivers/media/dvb/b2c2/flexcop-hw-filter.c b/drivers/media/dvb/b2c2/flexcop-hw-filter.c
new file mode 100644
index 00000000000..2baf43d3ce8
--- /dev/null
+++ b/drivers/media/dvb/b2c2/flexcop-hw-filter.c
@@ -0,0 +1,204 @@
+/*
+ * This file is part of linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III
+ *
+ * flexcop-hw-filter.c - pid and mac address filtering and corresponding control functions.
+ *
+ * see flexcop.c for copyright information.
+ */
+#include "flexcop.h"
+
+static void flexcop_rcv_data_ctrl(struct flexcop_device *fc, int onoff)
+{
+	flexcop_set_ibi_value(ctrl_208,Rcv_Data_sig,onoff);
+}
+
+void flexcop_smc_ctrl(struct flexcop_device *fc, int onoff)
+{
+	flexcop_set_ibi_value(ctrl_208,SMC_Enable_sig,onoff);
+}
+
+void flexcop_null_filter_ctrl(struct flexcop_device *fc, int onoff)
+{
+	flexcop_set_ibi_value(ctrl_208,Null_filter_sig,onoff);
+}
+
+void flexcop_set_mac_filter(struct flexcop_device *fc, u8 mac[6])
+{
+	flexcop_ibi_value v418,v41c;
+	v41c = fc->read_ibi_reg(fc,mac_address_41c);
+
+	v418.mac_address_418.MAC1 = mac[0];
+	v418.mac_address_418.MAC2 = mac[1];
+	v418.mac_address_418.MAC3 = mac[2];
+	v418.mac_address_418.MAC6 = mac[3];
+	v41c.mac_address_41c.MAC7 = mac[4];
+	v41c.mac_address_41c.MAC8 = mac[5];
+
+	fc->write_ibi_reg(fc,mac_address_418,v418);
+	fc->write_ibi_reg(fc,mac_address_41c,v41c);
+}
+
+void flexcop_mac_filter_ctrl(struct flexcop_device *fc, int onoff)
+{
+	flexcop_set_ibi_value(ctrl_208,MAC_filter_Mode_sig,onoff);
+}
+
+static void flexcop_pid_group_filter(struct flexcop_device *fc, u16 pid, u16 mask)
+{
+	/* index_reg_310.extra_index_reg need to 0 or 7 to work */
+	flexcop_ibi_value v30c;
+	v30c.pid_filter_30c_ext_ind_0_7.Group_PID = pid;
+	v30c.pid_filter_30c_ext_ind_0_7.Group_mask = mask;
+	fc->write_ibi_reg(fc,pid_filter_30c,v30c);
+}
+
+static void flexcop_pid_group_filter_ctrl(struct flexcop_device *fc, int onoff)
+{
+	flexcop_set_ibi_value(ctrl_208,Mask_filter_sig,onoff);
+}
+
+/* this fancy define reduces the code size of the quite similar PID controlling of
+ * the first 6 PIDs
+ */
+
+#define pid_ctrl(vregname,field,enablefield,trans_field,transval) \
+	flexcop_ibi_value vpid = fc->read_ibi_reg(fc, vregname), \
+					  v208 = fc->read_ibi_reg(fc, ctrl_208); \
+\
+	vpid.vregname.field = onoff ? pid : 0x1fff; \
+	vpid.vregname.trans_field = transval; \
+	v208.ctrl_208.enablefield = onoff; \
+\
+	fc->write_ibi_reg(fc,vregname,vpid); \
+	fc->write_ibi_reg(fc,ctrl_208,v208);
+
+static void flexcop_pid_Stream1_PID_ctrl(struct flexcop_device *fc, u16 pid, int onoff)
+{
+	pid_ctrl(pid_filter_300,Stream1_PID,Stream1_filter_sig,Stream1_trans,0);
+}
+
+static void flexcop_pid_Stream2_PID_ctrl(struct flexcop_device *fc, u16 pid, int onoff)
+{
+	pid_ctrl(pid_filter_300,Stream2_PID,Stream2_filter_sig,Stream2_trans,0);
+}
+
+static void flexcop_pid_PCR_PID_ctrl(struct flexcop_device *fc, u16 pid, int onoff)
+{
+	pid_ctrl(pid_filter_304,PCR_PID,PCR_filter_sig,PCR_trans,0);
+}
+
+static void flexcop_pid_PMT_PID_ctrl(struct flexcop_device *fc, u16 pid, int onoff)
+{
+	pid_ctrl(pid_filter_304,PMT_PID,PMT_filter_sig,PMT_trans,0);
+}
+
+static void flexcop_pid_EMM_PID_ctrl(struct flexcop_device *fc, u16 pid, int onoff)
+{
+	pid_ctrl(pid_filter_308,EMM_PID,EMM_filter_sig,EMM_trans,0);
+}
+
+static void flexcop_pid_ECM_PID_ctrl(struct flexcop_device *fc, u16 pid, int onoff)
+{
+	pid_ctrl(pid_filter_308,ECM_PID,ECM_filter_sig,ECM_trans,0);
+}
+
+static void flexcop_pid_control(struct flexcop_device *fc, int index, u16 pid,int onoff)
+{
+	if (pid == 0x2000)
+		return;
+
+	deb_ts("setting pid: %5d %04x at index %d '%s'\n",pid,pid,index,onoff ? "on" : "off");
+
+	/* We could use bit magic here to reduce source code size.
+	 * I decided against it, but to use the real register names */
+	switch (index) {
+		case 0: flexcop_pid_Stream1_PID_ctrl(fc,pid,onoff); break;
+		case 1: flexcop_pid_Stream2_PID_ctrl(fc,pid,onoff); break;
+		case 2: flexcop_pid_PCR_PID_ctrl(fc,pid,onoff); break;
+		case 3: flexcop_pid_PMT_PID_ctrl(fc,pid,onoff); break;
+		case 4: flexcop_pid_EMM_PID_ctrl(fc,pid,onoff); break;
+		case 5:	flexcop_pid_ECM_PID_ctrl(fc,pid,onoff); break;
+		default:
+			if (fc->has_32_hw_pid_filter && index < 38) {
+				flexcop_ibi_value vpid,vid;
+
+				/* set the index */
+				vid = fc->read_ibi_reg(fc,index_reg_310);
+				vid.index_reg_310.index_reg = index - 6;
+				fc->write_ibi_reg(fc,index_reg_310, vid);
+
+				vpid = fc->read_ibi_reg(fc,pid_n_reg_314);
+				vpid.pid_n_reg_314.PID = onoff ? pid : 0x1fff;
+				vpid.pid_n_reg_314.PID_enable_bit = onoff;
+				fc->write_ibi_reg(fc,pid_n_reg_314, vpid);
+			}
+			break;
+	}
+}
+
+static int flexcop_toggle_fullts_streaming(struct flexcop_device *fc,int onoff)
+{
+	if (fc->fullts_streaming_state != onoff) {
+		deb_ts("%s full TS transfer\n",onoff ? "enabling" : "disabling");
+		flexcop_pid_group_filter(fc, 0, 0x1fe0 * (!onoff));
+		flexcop_pid_group_filter_ctrl(fc,onoff);
+		fc->fullts_streaming_state = onoff;
+	}
+	return 0;
+}
+
+int flexcop_pid_feed_control(struct flexcop_device *fc, struct dvb_demux_feed *dvbdmxfeed, int onoff)
+{
+	int max_pid_filter = 6 + fc->has_32_hw_pid_filter*32;
+
+	fc->feedcount += onoff ? 1 : -1;
+	if (dvbdmxfeed->index >= max_pid_filter)
+		fc->extra_feedcount += onoff ? 1 : -1;
+
+	/* toggle complete-TS-streaming when:
+	 * - pid_filtering is not enabled and it is the first or last feed requested
+	 * - pid_filtering is enabled,
+	 *   - but the number of requested feeds is exceeded
+	 *   - or the requested pid is 0x2000 */
+
+	if (!fc->pid_filtering && fc->feedcount == onoff)
+		flexcop_toggle_fullts_streaming(fc,onoff);
+
+	if (fc->pid_filtering) {
+		flexcop_pid_control(fc,dvbdmxfeed->index,dvbdmxfeed->pid,onoff);
+
+		if (fc->extra_feedcount > 0)
+			flexcop_toggle_fullts_streaming(fc,1);
+		else if (dvbdmxfeed->pid == 0x2000)
+			flexcop_toggle_fullts_streaming(fc,onoff);
+		else
+			flexcop_toggle_fullts_streaming(fc,0);
+	}
+
+	/* if it was the first or last feed request change the stream-status */
+	if (fc->feedcount == onoff) {
+		flexcop_rcv_data_ctrl(fc,onoff);
+		if (fc->stream_control)
+			fc->stream_control(fc,onoff);
+	}
+
+	return 0;
+}
+
+void flexcop_hw_filter_init(struct flexcop_device *fc)
+{
+	int i;
+	flexcop_ibi_value v;
+	for (i = 0; i < 6 + 32*fc->has_32_hw_pid_filter; i++)
+		flexcop_pid_control(fc,i,0x1fff,0);
+
+	flexcop_pid_group_filter(fc, 0, 0x1fe0);
+	flexcop_pid_group_filter_ctrl(fc,0);
+
+	v = fc->read_ibi_reg(fc,pid_filter_308);
+	v.pid_filter_308.EMM_filter_4 = 1;
+	v.pid_filter_308.EMM_filter_6 = 0;
+	fc->write_ibi_reg(fc,pid_filter_308,v);
+
+	flexcop_null_filter_ctrl(fc, 1);
+}
diff --git a/drivers/media/dvb/b2c2/flexcop-i2c.c b/drivers/media/dvb/b2c2/flexcop-i2c.c
new file mode 100644
index 00000000000..be4266d4ae9
--- /dev/null
+++ b/drivers/media/dvb/b2c2/flexcop-i2c.c
@@ -0,0 +1,210 @@
+/*
+ * This file is part of linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III
+ *
+ * flexcop-i2c.c - flexcop internal 2Wire bus (I2C) and dvb i2c initialization
+ *
+ * see flexcop.c for copyright information.
+ */
+#include "flexcop.h"
+
+#define FC_MAX_I2C_RETRIES 100000
+
+static int flexcop_i2c_operation(struct flexcop_device *fc, flexcop_ibi_value *r100)
+{
+	int i;
+	flexcop_ibi_value r;
+
+	r100->tw_sm_c_100.working_start = 1;
+	deb_i2c("r100 before: %08x\n",r100->raw);
+
+	fc->write_ibi_reg(fc, tw_sm_c_100, ibi_zero);
+	fc->write_ibi_reg(fc, tw_sm_c_100, *r100); /* initiating i2c operation */
+
+	for (i = 0; i < FC_MAX_I2C_RETRIES; i++) {
+		r = fc->read_ibi_reg(fc, tw_sm_c_100);
+
+		if (!r.tw_sm_c_100.no_base_addr_ack_error) {
+			if (r.tw_sm_c_100.st_done) {  /* && !r.tw_sm_c_100.working_start */
+				*r100 = r;
+				deb_i2c("i2c success\n");
+				return 0;
+			}
+		} else {
+			deb_i2c("suffering from an i2c ack_error\n");
+			return -EREMOTEIO;
+		}
+	}
+	deb_i2c("tried %d times i2c operation, never finished or too many ack errors.\n",i);
+	return -EREMOTEIO;
+}
+
+static int flexcop_i2c_read4(struct flexcop_device *fc, flexcop_ibi_value r100, u8 *buf)
+{
+	flexcop_ibi_value r104;
+	int len = r100.tw_sm_c_100.total_bytes, /* remember total_bytes is buflen-1 */
+		ret;
+
+	if ((ret = flexcop_i2c_operation(fc,&r100)) != 0) {
+		/* The Cablestar needs a different kind of i2c-transfer (does not
+		 * support "Repeat Start"):
+		 * wait for the ACK failure,
+		 * and do a subsequent read with the Bit 30 enabled
+		 */
+		r100.tw_sm_c_100.no_base_addr_ack_error = 1;
+		if ((ret = flexcop_i2c_operation(fc,&r100)) != 0) {
+			deb_i2c("no_base_addr read failed. %d\n",ret);
+			return ret;
+		}
+	}
+
+	buf[0] = r100.tw_sm_c_100.data1_reg;
+
+	if (len > 0) {
+		r104 = fc->read_ibi_reg(fc,tw_sm_c_104);
+		deb_i2c("read: r100: %08x, r104: %08x\n",r100.raw,r104.raw);
+
+		/* there is at least one more byte, otherwise we wouldn't be here */
+		buf[1] = r104.tw_sm_c_104.data2_reg;
+		if (len > 1) buf[2] = r104.tw_sm_c_104.data3_reg;
+		if (len > 2) buf[3] = r104.tw_sm_c_104.data4_reg;
+	}
+
+	return 0;
+}
+
+static int flexcop_i2c_write4(struct flexcop_device *fc, flexcop_ibi_value r100, u8 *buf)
+{
+	flexcop_ibi_value r104;
+	int len = r100.tw_sm_c_100.total_bytes; /* remember total_bytes is buflen-1 */
+	r104.raw = 0;
+
+	/* there is at least one byte, otherwise we wouldn't be here */
+	r100.tw_sm_c_100.data1_reg = buf[0];
+
+	r104.tw_sm_c_104.data2_reg = len > 0 ? buf[1] : 0;
+	r104.tw_sm_c_104.data3_reg = len > 1 ? buf[2] : 0;
+	r104.tw_sm_c_104.data4_reg = len > 2 ? buf[3] : 0;
+
+	deb_i2c("write: r100: %08x, r104: %08x\n",r100.raw,r104.raw);
+
+	/* write the additional i2c data before doing the actual i2c operation */
+	fc->write_ibi_reg(fc,tw_sm_c_104,r104);
+	return flexcop_i2c_operation(fc,&r100);
+}
+
+int flexcop_i2c_request(struct flexcop_device *fc, flexcop_access_op_t op,
+		flexcop_i2c_port_t port, u8 chipaddr, u8 addr, u8 *buf, u16 len)
+{
+	int ret;
+	u16 bytes_to_transfer;
+	flexcop_ibi_value r100;
+
+	deb_i2c("op = %d\n",op);
+	r100.raw = 0;
+	r100.tw_sm_c_100.chipaddr = chipaddr;
+	r100.tw_sm_c_100.twoWS_rw = op;
+	r100.tw_sm_c_100.twoWS_port_reg = port;
+
+	while (len != 0) {
+		bytes_to_transfer = len > 4 ? 4 : len;
+
+		r100.tw_sm_c_100.total_bytes = bytes_to_transfer - 1;
+		r100.tw_sm_c_100.baseaddr = addr;
+
+		if (op == FC_READ)
+			ret = flexcop_i2c_read4(fc, r100, buf);
+		else
+			ret = flexcop_i2c_write4(fc,r100, buf);
+
+		if (ret < 0)
+			return ret;
+
+		buf  += bytes_to_transfer;
+		addr += bytes_to_transfer;
+		len  -= bytes_to_transfer;
+	};
+
+	return 0;
+}
+/* exported for PCI i2c */
+EXPORT_SYMBOL(flexcop_i2c_request);
+
+/* master xfer callback for demodulator */
+static int flexcop_master_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msgs[], int num)
+{
+	struct flexcop_device *fc = i2c_get_adapdata(i2c_adap);
+	int i, ret = 0;
+
+	if (down_interruptible(&fc->i2c_sem))
+		return -ERESTARTSYS;
+
+	/* reading */
+	if (num == 2 &&
+		msgs[0].flags == 0 &&
+		msgs[1].flags == I2C_M_RD &&
+		msgs[0].buf != NULL &&
+		msgs[1].buf != NULL) {
+
+		ret = fc->i2c_request(fc, FC_READ, FC_I2C_PORT_DEMOD, msgs[0].addr, msgs[0].buf[0], msgs[1].buf, msgs[1].len);
+
+	} else for (i = 0; i < num; i++) { /* writing command */
+		if (msgs[i].flags != 0 || msgs[i].buf == NULL || msgs[i].len < 2) {
+			ret = -EINVAL;
+			break;
+		}
+
+		ret = fc->i2c_request(fc, FC_WRITE, FC_I2C_PORT_DEMOD, msgs[i].addr, msgs[i].buf[0], &msgs[i].buf[1], msgs[i].len - 1);
+	}
+
+	if (ret < 0)
+		err("i2c master_xfer failed");
+	else
+		ret = num;
+
+	up(&fc->i2c_sem);
+
+	return ret;
+}
+
+static u32 flexcop_i2c_func(struct i2c_adapter *adapter)
+{
+	return I2C_FUNC_I2C;
+}
+
+static struct i2c_algorithm flexcop_algo = {
+	.name			= "FlexCop I2C algorithm",
+	.id				= I2C_ALGO_BIT,
+	.master_xfer	= flexcop_master_xfer,
+	.functionality	= flexcop_i2c_func,
+};
+
+int flexcop_i2c_init(struct flexcop_device *fc)
+{
+	int ret;
+
+	sema_init(&fc->i2c_sem,1);
+
+	memset(&fc->i2c_adap, 0, sizeof(struct i2c_adapter));
+	strncpy(fc->i2c_adap.name, "B2C2 FlexCop device",I2C_NAME_SIZE);
+
+	i2c_set_adapdata(&fc->i2c_adap,fc);
+
+	fc->i2c_adap.class	    = I2C_CLASS_TV_DIGITAL;
+	fc->i2c_adap.algo       = &flexcop_algo;
+	fc->i2c_adap.algo_data  = NULL;
+	fc->i2c_adap.id         = I2C_ALGO_BIT;
+
+	if ((ret = i2c_add_adapter(&fc->i2c_adap)) < 0)
+		return ret;
+
+	fc->init_state |= FC_STATE_I2C_INIT;
+	return 0;
+}
+
+void flexcop_i2c_exit(struct flexcop_device *fc)
+{
+	if (fc->init_state & FC_STATE_I2C_INIT)
+		i2c_del_adapter(&fc->i2c_adap);
+
+	fc->init_state &= ~FC_STATE_I2C_INIT;
+}
diff --git a/drivers/media/dvb/b2c2/flexcop-misc.c b/drivers/media/dvb/b2c2/flexcop-misc.c
new file mode 100644
index 00000000000..19e06da4677
--- /dev/null
+++ b/drivers/media/dvb/b2c2/flexcop-misc.c
@@ -0,0 +1,66 @@
+/*
+ * This file is part of linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III
+ *
+ * flexcop-misc.c - miscellaneous functions.
+ *
+ * see flexcop.c for copyright information.
+ */
+#include "flexcop.h"
+
+void flexcop_determine_revision(struct flexcop_device *fc)
+{
+	flexcop_ibi_value v = fc->read_ibi_reg(fc,misc_204);
+
+	switch (v.misc_204.Rev_N_sig_revision_hi) {
+		case 0x2:
+			deb_info("found a FlexCopII.\n");
+			fc->rev = FLEXCOP_II;
+			break;
+		case 0x3:
+			deb_info("found a FlexCopIIb.\n");
+			fc->rev = FLEXCOP_IIB;
+			break;
+		case 0x0:
+			deb_info("found a FlexCopIII.\n");
+			fc->rev = FLEXCOP_III;
+			break;
+		default:
+			err("unkown FlexCop Revision: %x. Please report the linux-dvb@linuxtv.org.",v.misc_204.Rev_N_sig_revision_hi);
+			break;
+	}
+
+	if ((fc->has_32_hw_pid_filter = v.misc_204.Rev_N_sig_caps))
+		deb_info("this FlexCop has the additional 32 hardware pid filter.\n");
+	else
+		deb_info("this FlexCop has only the 6 basic main hardware pid filter.\n");
+	/* bus parts have to decide if hw pid filtering is used or not. */
+}
+
+const char *flexcop_revision_names[] = {
+	"Unkown chip",
+	"FlexCopII",
+	"FlexCopIIb",
+	"FlexCopIII",
+};
+
+const char *flexcop_device_names[] = {
+	"Unkown device",
+	"AirStar 2 DVB-T",
+	"AirStar 2 ATSC",
+	"SkyStar 2 DVB-S",
+	"SkyStar 2 DVB-S (old version)",
+	"CableStar 2 DVB-C",
+};
+
+const char *flexcop_bus_names[] = {
+	"USB",
+	"PCI",
+};
+
+void flexcop_device_name(struct flexcop_device *fc,const char *prefix,const
+		char *suffix)
+{
+	info("%s '%s' at the '%s' bus controlled by a '%s' %s",prefix,
+			flexcop_device_names[fc->dev_type],flexcop_bus_names[fc->bus_type],
+			flexcop_revision_names[fc->rev],suffix);
+}
diff --git a/drivers/media/dvb/b2c2/flexcop-pci.c b/drivers/media/dvb/b2c2/flexcop-pci.c
new file mode 100644
index 00000000000..ed717c0073d
--- /dev/null
+++ b/drivers/media/dvb/b2c2/flexcop-pci.c
@@ -0,0 +1,381 @@
+/*
+ * This file is part of linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III
+ *
+ * flexcop-pci.c - covers the PCI part including DMA transfers.
+ *
+ * see flexcop.c for copyright information.
+ */
+
+#define FC_LOG_PREFIX "flexcop-pci"
+#include "flexcop-common.h"
+
+static int enable_pid_filtering = 1;
+module_param(enable_pid_filtering, int, 0444);
+MODULE_PARM_DESC(enable_pid_filtering, "enable hardware pid filtering: supported values: 0 (fullts), 1");
+
+#ifdef CONFIG_DVB_B2C2_FLEXCOP_DEBUG
+#define dprintk(level,args...) \
+	do { if ((debug & level)) printk(args); } while (0)
+#define DEBSTATUS ""
+#else
+#define dprintk(level,args...)
+#define DEBSTATUS " (debugging is not enabled)"
+#endif
+
+#define deb_info(args...)  dprintk(0x01,args)
+#define deb_reg(args...)   dprintk(0x02,args)
+#define deb_ts(args...)    dprintk(0x04,args)
+#define deb_irq(args...)   dprintk(0x08,args)
+
+static int debug = 0;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "set debug level (1=info,2=regs,4=TS,8=irqdma (|-able))." DEBSTATUS);
+
+#define DRIVER_VERSION "0.1"
+#define DRIVER_NAME "Technisat/B2C2 FlexCop II/IIb/III Digital TV PCI Driver"
+#define DRIVER_AUTHOR "Patrick Boettcher <patrick.boettcher@desy.de>"
+
+struct flexcop_pci {
+	struct pci_dev *pdev;
+
+#define FC_PCI_INIT     0x01
+#define FC_PCI_DMA_INIT 0x02
+	int init_state;
+
+	void __iomem *io_mem;
+	u32 irq;
+/* buffersize (at least for DMA1, need to be % 188 == 0,
+ * this logic is required */
+#define FC_DEFAULT_DMA1_BUFSIZE (1280 * 188)
+#define FC_DEFAULT_DMA2_BUFSIZE (10 * 188)
+	struct flexcop_dma dma[2];
+
+	int active_dma1_addr; /* 0 = addr0 of dma1; 1 = addr1 of dma1 */
+	u32 last_dma1_cur_pos; /* position of the pointer last time the timer/packet irq occured */
+	int count;
+
+	spinlock_t irq_lock;
+
+	struct flexcop_device *fc_dev;
+};
+
+static int lastwreg,lastwval,lastrreg,lastrval;
+
+static flexcop_ibi_value flexcop_pci_read_ibi_reg (struct flexcop_device *fc, flexcop_ibi_register r)
+{
+	struct flexcop_pci *fc_pci = fc->bus_specific;
+	flexcop_ibi_value v;
+	v.raw = readl(fc_pci->io_mem + r);
+
+	if (lastrreg != r || lastrval != v.raw) {
+		lastrreg = r; lastrval = v.raw;
+		deb_reg("new rd: %3x: %08x\n",r,v.raw);
+	}
+
+	return v;
+}
+
+static int flexcop_pci_write_ibi_reg(struct flexcop_device *fc, flexcop_ibi_register r, flexcop_ibi_value v)
+{
+	struct flexcop_pci *fc_pci = fc->bus_specific;
+
+	if (lastwreg != r || lastwval != v.raw) {
+		lastwreg = r; lastwval = v.raw;
+		deb_reg("new wr: %3x: %08x\n",r,v.raw);
+	}
+
+	writel(v.raw, fc_pci->io_mem + r);
+	return 0;
+}
+
+/* When PID filtering is turned on, we use the timer IRQ, because small amounts
+ * of data need to be passed to the user space instantly as well. When PID
+ * filtering is turned off, we use the page-change-IRQ */
+static irqreturn_t flexcop_pci_irq(int irq, void *dev_id, struct pt_regs *regs)
+{
+	struct flexcop_pci *fc_pci = dev_id;
+	struct flexcop_device *fc = fc_pci->fc_dev;
+	flexcop_ibi_value v = fc->read_ibi_reg(fc,irq_20c);
+	irqreturn_t ret = IRQ_HANDLED;
+
+	spin_lock_irq(&fc_pci->irq_lock);
+
+	if (v.irq_20c.DMA1_IRQ_Status == 1) {
+		if (fc_pci->active_dma1_addr == 0)
+			flexcop_pass_dmx_packets(fc_pci->fc_dev,fc_pci->dma[0].cpu_addr0,fc_pci->dma[0].size / 188);
+		else
+			flexcop_pass_dmx_packets(fc_pci->fc_dev,fc_pci->dma[0].cpu_addr1,fc_pci->dma[0].size / 188);
+
+		deb_irq("page change to page: %d\n",!fc_pci->active_dma1_addr);
+		fc_pci->active_dma1_addr = !fc_pci->active_dma1_addr;
+	} else if (v.irq_20c.DMA1_Timer_Status == 1) {
+		/* for the timer IRQ we only can use buffer dmx feeding, because we don't have
+		 * complete TS packets when reading from the DMA memory */
+		dma_addr_t cur_addr =
+			fc->read_ibi_reg(fc,dma1_008).dma_0x8.dma_cur_addr << 2;
+		u32 cur_pos = cur_addr - fc_pci->dma[0].dma_addr0;
+
+		deb_irq("irq: %08x cur_addr: %08x: cur_pos: %08x, last_cur_pos: %08x ",
+				v.raw,cur_addr,cur_pos,fc_pci->last_dma1_cur_pos);
+
+		/* buffer end was reached, restarted from the beginning
+		 * pass the data from last_cur_pos to the buffer end to the demux
+		 */
+		if (cur_pos < fc_pci->last_dma1_cur_pos) {
+			deb_irq(" end was reached: passing %d bytes ",(fc_pci->dma[0].size*2 - 1) - fc_pci->last_dma1_cur_pos);
+			flexcop_pass_dmx_data(fc_pci->fc_dev,
+					fc_pci->dma[0].cpu_addr0 + fc_pci->last_dma1_cur_pos,
+					(fc_pci->dma[0].size*2) - fc_pci->last_dma1_cur_pos);
+			fc_pci->last_dma1_cur_pos = 0;
+			fc_pci->count = 0;
+		}
+
+		if (cur_pos > fc_pci->last_dma1_cur_pos) {
+			deb_irq(" passing %d bytes ",cur_pos - fc_pci->last_dma1_cur_pos);
+			flexcop_pass_dmx_data(fc_pci->fc_dev,
+					fc_pci->dma[0].cpu_addr0 + fc_pci->last_dma1_cur_pos,
+					cur_pos - fc_pci->last_dma1_cur_pos);
+		}
+		deb_irq("\n");
+
+		fc_pci->last_dma1_cur_pos = cur_pos;
+	} else
+		ret = IRQ_NONE;
+
+	spin_unlock_irq(&fc_pci->irq_lock);
+
+/* packet count would be ideal for hw filtering, but it isn't working. Either
+ * the data book is wrong, or I'm unable to read it correctly */
+
+/*	if (v.irq_20c.DMA1_Size_IRQ_Status == 1) { packet counter */
+
+	return ret;
+}
+
+static int flexcop_pci_stream_control(struct flexcop_device *fc, int onoff)
+{
+	struct flexcop_pci *fc_pci = fc->bus_specific;
+	if (onoff) {
+		flexcop_dma_config(fc,&fc_pci->dma[0],FC_DMA_1,FC_DMA_SUBADDR_0 | FC_DMA_SUBADDR_1);
+		flexcop_dma_config(fc,&fc_pci->dma[1],FC_DMA_2,FC_DMA_SUBADDR_0 | FC_DMA_SUBADDR_1);
+		flexcop_dma_config_timer(fc,FC_DMA_1,1);
+
+		if (fc_pci->fc_dev->pid_filtering) {
+			fc_pci->last_dma1_cur_pos = 0;
+			flexcop_dma_control_timer_irq(fc,FC_DMA_1,1);
+		} else {
+			fc_pci->active_dma1_addr = 0;
+			flexcop_dma_control_size_irq(fc,FC_DMA_1,1);
+		}
+
+/*		flexcop_dma_config_packet_count(fc,FC_DMA_1,0xc0);
+		flexcop_dma_control_packet_irq(fc,FC_DMA_1,1); */
+
+		deb_irq("irqs enabled\n");
+	} else {
+		if (fc_pci->fc_dev->pid_filtering)
+			flexcop_dma_control_timer_irq(fc,FC_DMA_1,0);
+		else
+			flexcop_dma_control_size_irq(fc,FC_DMA_1,0);
+
+//		flexcop_dma_control_packet_irq(fc,FC_DMA_1,0);
+		deb_irq("irqs disabled\n");
+	}
+
+	return 0;
+}
+
+static int flexcop_pci_dma_init(struct flexcop_pci *fc_pci)
+{
+	int ret;
+	if ((ret = flexcop_dma_allocate(fc_pci->pdev,&fc_pci->dma[0],FC_DEFAULT_DMA1_BUFSIZE)) != 0)
+		return ret;
+
+	if ((ret = flexcop_dma_allocate(fc_pci->pdev,&fc_pci->dma[1],FC_DEFAULT_DMA2_BUFSIZE)) != 0)
+		goto dma1_free;
+
+	flexcop_sram_set_dest(fc_pci->fc_dev,FC_SRAM_DEST_MEDIA | FC_SRAM_DEST_NET, FC_SRAM_DEST_TARGET_DMA1);
+	flexcop_sram_set_dest(fc_pci->fc_dev,FC_SRAM_DEST_CAO   | FC_SRAM_DEST_CAI, FC_SRAM_DEST_TARGET_DMA2);
+
+	fc_pci->init_state |= FC_PCI_DMA_INIT;
+	goto success;
+dma1_free:
+	flexcop_dma_free(&fc_pci->dma[0]);
+
+success:
+	return ret;
+}
+
+static void flexcop_pci_dma_exit(struct flexcop_pci *fc_pci)
+{
+	if (fc_pci->init_state & FC_PCI_DMA_INIT) {
+		flexcop_dma_free(&fc_pci->dma[0]);
+		flexcop_dma_free(&fc_pci->dma[1]);
+	}
+	fc_pci->init_state &= ~FC_PCI_DMA_INIT;
+}
+
+static int flexcop_pci_init(struct flexcop_pci *fc_pci)
+{
+	int ret;
+	u8 card_rev;
+
+	pci_read_config_byte(fc_pci->pdev, PCI_CLASS_REVISION, &card_rev);
+	info("card revision %x", card_rev);
+
+	if ((ret = pci_enable_device(fc_pci->pdev)) != 0)
+		return ret;
+
+	pci_set_master(fc_pci->pdev);
+
+	/* enable interrupts */
+	// pci_write_config_dword(pdev, 0x6c, 0x8000);
+
+	if ((ret = pci_request_regions(fc_pci->pdev, DRIVER_NAME)) != 0)
+		goto err_pci_disable_device;
+
+	fc_pci->io_mem = pci_iomap(fc_pci->pdev, 0, 0x800);
+
+	if (!fc_pci->io_mem) {
+		err("cannot map io memory\n");
+		ret = -EIO;
+		goto err_pci_release_regions;
+	}
+
+	pci_set_drvdata(fc_pci->pdev, fc_pci);
+
+	if ((ret = request_irq(fc_pci->pdev->irq, flexcop_pci_irq,
+					SA_SHIRQ, DRIVER_NAME, fc_pci)) != 0)
+		goto err_pci_iounmap;
+
+	spin_lock_init(&fc_pci->irq_lock);
+
+	fc_pci->init_state |= FC_PCI_INIT;
+	goto success;
+
+err_pci_iounmap:
+	pci_iounmap(fc_pci->pdev, fc_pci->io_mem);
+	pci_set_drvdata(fc_pci->pdev, NULL);
+err_pci_release_regions:
+	pci_release_regions(fc_pci->pdev);
+err_pci_disable_device:
+	pci_disable_device(fc_pci->pdev);
+
+success:
+	return ret;
+}
+
+static void flexcop_pci_exit(struct flexcop_pci *fc_pci)
+{
+	if (fc_pci->init_state & FC_PCI_INIT) {
+		free_irq(fc_pci->pdev->irq, fc_pci);
+		pci_iounmap(fc_pci->pdev, fc_pci->io_mem);
+		pci_set_drvdata(fc_pci->pdev, NULL);
+		pci_release_regions(fc_pci->pdev);
+		pci_disable_device(fc_pci->pdev);
+	}
+	fc_pci->init_state &= ~FC_PCI_INIT;
+}
+
+
+static int flexcop_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+	struct flexcop_device *fc;
+	struct flexcop_pci *fc_pci;
+	int ret = -ENOMEM;
+
+	if ((fc = flexcop_device_kmalloc(sizeof(struct flexcop_pci))) == NULL) {
+		err("out of memory\n");
+		return -ENOMEM;
+	}
+
+/* general flexcop init */
+	fc_pci = fc->bus_specific;
+	fc_pci->fc_dev = fc;
+
+	fc->read_ibi_reg = flexcop_pci_read_ibi_reg;
+	fc->write_ibi_reg = flexcop_pci_write_ibi_reg;
+	fc->i2c_request = flexcop_i2c_request;
+	fc->get_mac_addr = flexcop_eeprom_check_mac_addr;
+
+	fc->stream_control = flexcop_pci_stream_control;
+
+	if (enable_pid_filtering)
+		info("will use the HW PID filter.");
+	else
+		info("will pass the complete TS to the demuxer.");
+
+	fc->pid_filtering = enable_pid_filtering;
+	fc->bus_type = FC_PCI;
+
+	fc->dev = &pdev->dev;
+	fc->owner = THIS_MODULE;
+
+/* bus specific part */
+	fc_pci->pdev = pdev;
+	if ((ret = flexcop_pci_init(fc_pci)) != 0)
+		goto err_kfree;
+
+/* init flexcop */
+	if ((ret = flexcop_device_initialize(fc)) != 0)
+		goto err_pci_exit;
+
+/* init dma */
+	if ((ret = flexcop_pci_dma_init(fc_pci)) != 0)
+		goto err_fc_exit;
+
+	goto success;
+err_fc_exit:
+	flexcop_device_exit(fc);
+err_pci_exit:
+	flexcop_pci_exit(fc_pci);
+err_kfree:
+	flexcop_device_kfree(fc);
+success:
+	return ret;
+}
+
+/* in theory every _exit function should be called exactly two times,
+ * here and in the bail-out-part of the _init-function
+ */
+static void flexcop_pci_remove(struct pci_dev *pdev)
+{
+	struct flexcop_pci *fc_pci = pci_get_drvdata(pdev);
+
+	flexcop_pci_dma_exit(fc_pci);
+	flexcop_device_exit(fc_pci->fc_dev);
+	flexcop_pci_exit(fc_pci);
+	flexcop_device_kfree(fc_pci->fc_dev);
+}
+
+static struct pci_device_id flexcop_pci_tbl[] = {
+	{ PCI_DEVICE(0x13d0, 0x2103) },
+/*	{ PCI_DEVICE(0x13d0, 0x2200) }, PCI FlexCopIII ? */
+	{ },
+};
+
+MODULE_DEVICE_TABLE(pci, flexcop_pci_tbl);
+
+static struct pci_driver flexcop_pci_driver = {
+	.name = "Technisat/B2C2 FlexCop II/IIb/III PCI",
+	.id_table = flexcop_pci_tbl,
+	.probe = flexcop_pci_probe,
+	.remove = flexcop_pci_remove,
+};
+
+static int __init flexcop_pci_module_init(void)
+{
+	return pci_register_driver(&flexcop_pci_driver);
+}
+
+static void __exit flexcop_pci_module_exit(void)
+{
+	pci_unregister_driver(&flexcop_pci_driver);
+}
+
+module_init(flexcop_pci_module_init);
+module_exit(flexcop_pci_module_exit);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_NAME);
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/dvb/b2c2/flexcop-reg.h b/drivers/media/dvb/b2c2/flexcop-reg.h
new file mode 100644
index 00000000000..5e131be55cb
--- /dev/null
+++ b/drivers/media/dvb/b2c2/flexcop-reg.h
@@ -0,0 +1,701 @@
+/*
+ * This file is part of linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III
+ *
+ * flexcop-reg.h - register abstraction for FlexCopII, FlexCopIIb and FlexCopIII
+ *
+ * see flexcop.c for copyright information.
+ */
+#ifndef __FLEXCOP_REG_H__
+#define __FLEXCOP_REG_H__
+
+
+typedef enum {
+	FLEXCOP_UNK = 0,
+	FLEXCOP_II,
+	FLEXCOP_IIB,
+	FLEXCOP_III,
+} flexcop_revision_t;
+
+extern const char *flexcop_revision_names[];
+
+typedef enum {
+	FC_UNK = 0,
+	FC_AIR_DVB,
+	FC_AIR_ATSC,
+	FC_SKY,
+	FC_SKY_OLD,
+	FC_CABLE,
+} flexcop_device_type_t;
+
+typedef enum {
+	FC_USB = 0,
+	FC_PCI,
+} flexcop_bus_t;
+
+extern const char *flexcop_device_names[];
+
+/* FlexCop IBI Registers */
+
+/* flexcop_ibi_reg - a huge union representing the register structure */
+typedef union {
+	u32 raw;
+
+/* DMA 0x000 to 0x01c
+ * DMA1 0x000 to 0x00c
+ * DMA2 0x010 to 0x01c
+ */
+	struct {
+		u32 dma_0start        : 1;   /* set: data will be delivered to dma1_address0 */
+        u32 dma_0No_update    : 1;   /* set: dma1_cur_address will be updated, unset: no update */
+        u32 dma_address0      :30;   /* physical/virtual host memory address0 DMA */
+	} dma_0x0;
+
+	struct {
+		u32 DMA_maxpackets    : 8;   /* (remapped) PCI DMA1 Packet Count Interrupt. This variable
+										is able to be read and written while bit(1) of register
+										0x00c (remap_enable) is set. This variable represents
+										the number of packets that will be transmitted to the PCI
+										host using PCI DMA1 before an interrupt to the PCI is
+										asserted. This functionality may be enabled using bit(20)
+										of register 0x208. N=0 disables the IRQ. */
+		u32 dma_addr_size     :24;   /* size of memory buffer in DWORDs (bytesize / 4) for DMA */
+	} dma_0x4_remap;
+
+	struct {
+		u32 dma1timer         : 7;   /* reading PCI DMA1 timer ... when remap_enable is 0 */
+		u32 unused            : 1;
+		u32 dma_addr_size     :24;
+	} dma_0x4_read;
+
+	struct {
+		u32 unused            : 1;
+		u32 dmatimer          : 7;   /* writing PCI DMA1 timer ... when remap_enable is 0 */
+		u32 dma_addr_size     :24;
+	} dma_0x4_write;
+
+	struct {
+		u32 unused            : 2;
+		u32 dma_cur_addr      :30;   /* current physical host memory address pointer for DMA */
+	} dma_0x8;
+
+	struct {
+		u32 dma_1start        : 1;   /* set: data will be delivered to dma_address1, when dma_address0 is full */
+		u32 remap_enable      : 1;   /* remap enable for 0x0x4(7:0) */
+		u32 dma_address1      :30;   /* Physical/virtual address 1 on DMA */
+	} dma_0xc;
+
+/* Two-wire Serial Master and Clock 0x100-0x110 */
+	struct {
+//		u32 slave_transmitter : 1;   /* ???*/
+		u32 chipaddr          : 7;   /* two-line serial address of the target slave */
+		u32 reserved1         : 1;
+		u32 baseaddr          : 8;   /* address of the location of the read/write operation */
+		u32 data1_reg         : 8;   /* first byte in two-line serial read/write operation */
+		u32 working_start     : 1;  /* when doing a write operation this indicator is 0 when ready
+									  * set to 1 when doing a write operation */
+		u32 twoWS_rw          : 1;   /* read/write indicator (1 = read, 0 write) */
+		u32 total_bytes       : 2;   /* number of data bytes in each two-line serial transaction (0 = 1 byte, 11 = 4byte)*/
+		u32 twoWS_port_reg    : 2;   /* port selection: 01 - Front End/Demod, 10 - EEPROM, 11 - Tuner */
+		u32 no_base_addr_ack_error : 1;   /* writing: write-req: frame is produced w/o baseaddr, read-req: read-cycles w/o
+									  * preceding address assignment write frame
+									  * ACK_ERROR = 1 when no ACK from slave in the last transaction */
+		u32 st_done           : 1;   /* indicator for transaction is done */
+	} tw_sm_c_100;
+
+	struct {
+		u32 data2_reg         : 8;   /* 2nd data byte */
+		u32 data3_reg         : 8;   /* 3rd data byte */
+		u32 data4_reg         : 8;   /* 4th data byte */
+		u32 exlicit_stops     : 1;   /* when set, transactions are produced w/o trailing STOP flag, then send isolated STOP flags */
+		u32 force_stop        : 1;   /* isolated stop flag */
+		u32 unused            : 6;
+	} tw_sm_c_104;
+
+/* Clock. The register allows the FCIII to convert an incoming Master clock
+ * (MCLK) signal into a lower frequency clock through the use of a LowCounter
+ * (TLO) and a High- Counter (THI). The time counts for THI and TLO are
+ * measured in MCLK; each count represents 4 MCLK input clock cycles.
+ *
+ * The default output for port #1 is set for Front End Demod communication. (0x108)
+ * The default output for port #2 is set for EEPROM communication. (0x10c)
+ * The default output for port #3 is set for Tuner communication. (0x110)
+ */
+	struct {
+		u32 thi1              : 6;   /* Thi for port #1 (def: 100110b; 38) */
+		u32 reserved1         : 2;
+		u32 tlo1              : 5;   /* Tlo for port #1 (def: 11100b; 28) */
+		u32 reserved2         :19;
+	} tw_sm_c_108;
+
+	struct {
+		u32 thi1              : 6;   /* Thi for port #2 (def: 111001b; 57) */
+		u32 reserved1         : 2;
+		u32 tlo1              : 5;   /* Tlo for port #2 (def: 11100b; 28) */
+		u32 reserved2         :19;
+	} tw_sm_c_10c;
+
+	struct {
+		u32 thi1              : 6;   /* Thi for port #3 (def: 111001b; 57) */
+		u32 reserved1         : 2;
+		u32 tlo1              : 5;   /* Tlo for port #3 (def: 11100b; 28) */
+		u32 reserved2         :19;
+	} tw_sm_c_110;
+
+/* LNB Switch Frequency 0x200
+ * Clock that creates the LNB switch tone. The default is set to have a fixed
+ * low output (not oscillating) to the LNB_CTL line.
+ */
+	struct {
+		u32 LNB_CTLHighCount_sig :15; /* It is the number of pre-scaled clock cycles that will be low. */
+		u32 LNB_CTLLowCount_sig  :15; /* For example, to obtain a 22KHz output given a 45 Mhz Master
+										Clock signal (MCLK), set PreScalar=01 and LowCounter value to 0x1ff. */
+		u32 LNB_CTLPrescaler_sig : 2; /* pre-scaler divides MCLK: 00 (no division), 01 by 2, 10 by 4, 11 by 12 */
+	} lnb_switch_freq_200;
+
+/* ACPI, Peripheral Reset, LNB Polarity
+ * ACPI power conservation mode, LNB polarity selection (low or high voltage),
+ * and peripheral reset.
+ */
+	struct {
+		u32 ACPI1_sig         : 1;   /* turn of the power of tuner and LNB, not implemented in FCIII */
+		u32 ACPI3_sig         : 1;   /* turn of power of the complete satelite receiver board (except FCIII) */
+		u32 LNB_L_H_sig       : 1;   /* low or high voltage for LNB. (0 = low, 1 = high) */
+		u32 Per_reset_sig     : 1;   /* misc. init reset (default: 1), to reset set to low and back to high */
+		u32 reserved          :20;
+		u32 Rev_N_sig_revision_hi : 4;/* 0xc in case of FCIII */
+		u32 Rev_N_sig_reserved1 : 2;
+		u32 Rev_N_sig_caps    : 1;   /* if 1, FCIII has 32 PID- and MAC-filters and is capable of IP multicast */
+		u32 Rev_N_sig_reserved2 : 1;
+	} misc_204;
+
+/* Control and Status 0x208 to 0x21c */
+/* Gross enable and disable control */
+	struct {
+		u32 Stream1_filter_sig : 1;  /* Stream1 PID filtering */
+		u32 Stream2_filter_sig : 1;  /* Stream2 PID filtering */
+		u32 PCR_filter_sig    : 1;   /* PCR PID filter */
+		u32 PMT_filter_sig    : 1;   /* PMT PID filter */
+
+		u32 EMM_filter_sig    : 1;   /* EMM PID filter */
+		u32 ECM_filter_sig    : 1;   /* ECM PID filter */
+		u32 Null_filter_sig   : 1;   /* Filters null packets, PID=0x1fff. */
+		u32 Mask_filter_sig   : 1;   /* mask PID filter */
+
+		u32 WAN_Enable_sig    : 1;   /* WAN output line through V8 memory space is activated. */
+		u32 WAN_CA_Enable_sig : 1;   /* not in FCIII */
+		u32 CA_Enable_sig     : 1;   /* not in FCIII */
+		u32 SMC_Enable_sig    : 1;   /* CI stream data (CAI) goes directly to the smart card intf (opposed IBI 0x600 or SC-cmd buf). */
+
+		u32 Per_CA_Enable_sig : 1;   /* not in FCIII */
+		u32 Multi2_Enable_sig : 1;   /* ? */
+		u32 MAC_filter_Mode_sig : 1; /* (MAC_filter_enable) Globally enables MAC filters for Net PID filteres. */
+		u32 Rcv_Data_sig      : 1;   /* PID filtering module enable. When this bit is a one, the PID filter will
+										examine and process packets according to all other (individual) PID
+										filtering controls. If it a zero, no packet processing of any kind will
+										take place. All data from the tuner will be thrown away. */
+
+		u32 DMA1_IRQ_Enable_sig : 1; /* When set, a DWORD counter is enabled on PCI DMA1 that asserts the PCI
+									  * interrupt after the specified count for filling the buffer. */
+		u32 DMA1_Timer_Enable_sig : 1; /* When set, a timer is enabled on PCI DMA1 that asserts the PCI interrupt
+											after a specified amount of time. */
+		u32 DMA2_IRQ_Enable_sig : 1;   /* same as DMA1_IRQ_Enable_sig but for DMA2 */
+		u32 DMA2_Timer_Enable_sig : 1;   /* same as DMA1_Timer_Enable_sig but for DMA2 */
+
+		u32 DMA1_Size_IRQ_Enable_sig : 1; /* When set, a packet count detector is enabled on PCI DMA1 that asserts the PCI interrupt. */
+		u32 DMA2_Size_IRQ_Enable_sig : 1; /* When set, a packet	count detector is enabled on PCI DMA2 that asserts the PCI interrupt. */
+		u32 Mailbox_from_V8_Enable_sig: 1; /* When set, writes to the mailbox register produce an interrupt to the
+											PCI host to indicate that mailbox data is available. */
+
+		u32 unused            : 9;
+	} ctrl_208;
+
+/* General status. When a PCI interrupt occurs, this register is read to
+ * discover the reason for the interrupt.
+ */
+	struct {
+		u32 DMA1_IRQ_Status   : 1;   /* When set(1) the DMA1 counter had generated an IRQ. Read Only. */
+		u32 DMA1_Timer_Status : 1;   /* When set(1) the DMA1 timer had generated an IRQ. Read Only. */
+		u32 DMA2_IRQ_Status   : 1;   /* When set(1) the DMA2 counter had generated an IRQ. Read Only. */
+		u32 DMA2_Timer_Status : 1;   /* When set(1) the DMA2 timer had generated an IRQ. Read Only. */
+		u32 DMA1_Size_IRQ_Status : 1; /* (Read only). This register is read after an interrupt to */
+		u32 DMA2_Size_IRQ_Status : 1; /* find out why we had an IRQ. Reading this register will clear this bit. Packet count*/
+		u32 Mailbox_from_V8_Status_sig: 1; /* Same as above. Reading this register will clear this bit. */
+		u32 Data_receiver_error : 1; /* 1 indicate an error in the receiver Front End (Tuner module) */
+		u32 Continuity_error_flag : 1;   /* 1 indicates a continuity error in the TS stream. */
+		u32 LLC_SNAP_FLAG_set : 1;   /* 1 indicates that the LCC_SNAP_FLAG was set. */
+		u32 Transport_Error   : 1;   /*  When set indicates that an unexpected packet was received. */
+		u32 reserved          :21;
+	} irq_20c;
+
+
+/* Software reset register */
+	struct {
+		u32 reset_blocks      : 8;   /* Enabled when Block_reset_enable = 0xB2 and 0x208 bits 15:8 = 0x00.
+										Each bit location represents a 0x100 block of registers. Writing
+										a one in a bit location resets that block of registers and the logic
+										that it controls. */
+		u32 Block_reset_enable : 8;  /* This variable is set to 0xB2 when the register is written. */
+		u32 Special_controls  :16;   /* Asserts Reset_V8 => 0xC258; Turns on pci encryption => 0xC25A;
+										Turns off pci encryption => 0xC259 Note: pci_encryption default
+										at power-up is ON. */
+	} sw_reset_210;
+
+	struct {
+		u32 vuart_oe_sig      : 1;   /* When clear, the V8 processor has sole control of the serial UART
+										(RS-232 Smart Card interface). When set, the IBI interface
+										defined by register 0x600 controls the serial UART. */
+		u32 v2WS_oe_sig       : 1;   /* When clear, the V8 processor has direct control of the Two-line
+										Serial Master EEPROM target. When set, the Two-line Serial Master
+										EEPROM target interface is controlled by IBI register 0x100. */
+		u32 halt_V8_sig       : 1;   /* When set, contiguous wait states are applied to the V8-space
+										bus masters. Once this signal is cleared, normal V8-space
+										operations resume. */
+		u32 section_pkg_enable_sig: 1; /* When set, this signal enables the front end translation circuitry
+										  to process section packed transport streams. */
+		u32 s2p_sel_sig       : 1;   /* Serial to parallel conversion. When set, polarized transport data
+										within the FlexCop3 front end circuitry is converted from a serial
+										stream into parallel data before downstream processing otherwise
+										interprets the data. */
+		u32 unused1           : 3;
+		u32 polarity_PS_CLK_sig: 1;  /* This signal is used to invert the input polarity of the tranport
+										stream CLOCK signal before any processing occurs on the transport
+										stream within FlexCop3. */
+		u32 polarity_PS_VALID_sig: 1; /* This signal is used to invert the input polarity of the tranport
+										stream VALID signal before any processing occurs on the transport
+										stream within FlexCop3. */
+		u32 polarity_PS_SYNC_sig: 1; /* This signal is used to invert the input polarity of the tranport
+										stream SYNC signal before any processing occurs on the transport
+										stream within FlexCop3. */
+		u32 polarity_PS_ERR_sig: 1;  /* This signal is used to invert the input polarity of the tranport
+										stream ERROR signal before any processing occurs on the transport
+										stream within FlexCop3. */
+		u32 unused2           :20;
+	} misc_214;
+
+/* Mailbox from V8 to host */
+	struct {
+		u32 Mailbox_from_V8   :32;   /* When this register is written by either the V8 processor or by an
+										end host, an interrupt is generated to the PCI host to indicate
+										that mailbox data is available. Reading register 20c will clear
+										the IRQ. */
+	} mbox_v8_to_host_218;
+
+/* Mailbox from host to v8 Mailbox_to_V8
+ * Mailbox_to_V8 mailbox storage register
+ * used to send messages from PCI to V8. Writing to this register will send an
+ * IRQ to the V8. Then it can read the data from here. Reading this register
+ * will clear the IRQ. If the V8 is halted and bit 31 of this register is set,
+ * then this register is used instead as a direct interface to access the
+ * V8space memory.
+ */
+	struct {
+		u32 sysramaccess_data : 8;   /* Data byte written or read from the specified address in V8 SysRAM. */
+		u32 sysramaccess_addr :15;   /* 15 bit address used to access V8 Sys-RAM. */
+		u32 unused            : 7;
+		u32 sysramaccess_write: 1;   /* Write flag used to latch data into the V8 SysRAM. */
+		u32 sysramaccess_busmuster: 1; /* Setting this bit when the V8 is halted at 0x214 Bit(2) allows
+										  this IBI register interface to directly drive the V8-space memory. */
+	} mbox_host_to_v8_21c;
+
+
+/* PIDs, Translation Bit, SMC Filter Select 0x300 to 0x31c */
+	struct {
+		u32 Stream1_PID       :13;   /* Primary use is receiving Net data, so these 13 bits normally
+										hold the PID value for the desired network stream. */
+		u32 Stream1_trans     : 1;   /* When set, Net translation will take place for Net data ferried in TS packets. */
+		u32 MAC_Multicast_filter : 1;   /* When clear, multicast MAC filtering is not allowed for Stream1 and PID_n filters. */
+		u32 debug_flag_pid_saved : 1;
+		u32 Stream2_PID       :13;   /* 13 bits for Stream 2 PID filter value. General use. */
+		u32 Stream2_trans     : 1;   /* When set Tables/CAI translation will take place for the data ferried in
+										Stream2_PID TS packets. */
+		u32 debug_flag_write_status00 : 1;
+		u32 debug_fifo_problem : 1;
+	} pid_filter_300;
+
+	struct {
+		u32 PCR_PID           :13;   /* PCR stream PID filter value. Primary use is Program Clock Reference stream filtering. */
+		u32 PCR_trans         : 1;   /* When set, Tables/CAI translation will take place for these packets. */
+		u32 debug_overrun3    : 1;
+		u32 debug_overrun2    : 1;
+		u32 PMT_PID           :13;   /* stream PID filter value. Primary use is Program Management Table segment filtering. */
+		u32 PMT_trans         : 1;   /* When set, Tables/CAI translation will take place for these packets. */
+		u32 reserved          : 2;
+	} pid_filter_304;
+
+	struct {
+		u32 EMM_PID           :13;   /* EMM PID filter value. Primary use is Entitlement Management Messaging for
+										conditional access-related data. */
+		u32 EMM_trans         : 1;   /* When set, Tables/CAI translation will take place for these packets. */
+		u32 EMM_filter_4      : 1;   /* When set will pass only EMM data possessing the same ID code as the
+										first four bytes (32 bits) of the end-user s 6-byte Smart Card ID number Select */
+		u32 EMM_filter_6      : 1;   /* When set will pass only EMM data possessing the same 6-byte code as the end-users
+										complete 6-byte Smart Card ID number. */
+		u32 ECM_PID           :13;   /* ECM PID filter value. Primary use is Entitlement Control Messaging for conditional
+										access-related data. */
+		u32 ECM_trans         : 1;   /* When set, Tables/CAI translation will take place for these packets. */
+		u32 reserved          : 2;
+	} pid_filter_308;
+
+	struct {
+		u32 Group_PID     :13;   /* PID value for group filtering. */
+		u32 Group_trans   : 1;   /* When set, Tables/CAI translation will take place for these packets. */
+		u32 unused1       : 2;
+		u32 Group_mask    :13;   /* Mask value used in logical "and" equation that defines group filtering */
+		u32 unused2       : 3;
+	} pid_filter_30c_ext_ind_0_7;
+
+	struct {
+		u32 net_master_read :17;
+		u32 unused        :15;
+	} pid_filter_30c_ext_ind_1;
+
+	struct {
+		u32 net_master_write :17;
+		u32 unused        :15;
+	} pid_filter_30c_ext_ind_2;
+
+	struct {
+		u32 next_net_master_write :17;
+		u32 unused        :15;
+	} pid_filter_30c_ext_ind_3;
+
+	struct {
+		u32 unused1       : 1;
+		u32 state_write   :10;
+		u32 reserved1     : 6;   /* default: 000100 */
+		u32 stack_read    :10;
+		u32 reserved2     : 5;   /* default: 00100 */
+	} pid_filter_30c_ext_ind_4;
+
+	struct {
+		u32 stack_cnt     :10;
+		u32 unused        :22;
+	} pid_filter_30c_ext_ind_5;
+
+	struct {
+		u32 pid_fsm_save_reg0 : 2;
+		u32 pid_fsm_save_reg1 : 2;
+		u32 pid_fsm_save_reg2 : 2;
+		u32 pid_fsm_save_reg3 : 2;
+		u32 pid_fsm_save_reg4 : 2;
+		u32 pid_fsm_save_reg300 : 2;
+		u32 write_status1 : 2;
+		u32 write_status4 : 2;
+		u32 data_size_reg :12;
+		u32 unused        : 4;
+	} pid_filter_30c_ext_ind_6;
+
+	struct {
+		u32 index_reg         : 5;   /* (Index pointer) Points at an internal PIDn register. A binary code
+										representing one of 32 internal PIDn registers as well as its
+										corresponding internal MAC_lown register. */
+		u32 extra_index_reg   : 3;   /* This vector is used to select between sets of debug signals routed to register 0x30c. */
+		u32 AB_select         : 1;   /* Used in conjunction with 0x31c. read/write to the MAC_highA or MAC_highB register
+										0=MAC_highB register, 1=MAC_highA */
+		u32 pass_alltables    : 1;   /* 1=Net packets are not filtered against the Network Table ID found in register 0x400.
+										All types of networks (DVB, ATSC, ISDB) are passed. */
+		u32 unused            :22;
+	} index_reg_310;
+
+	struct {
+		u32 PID               :13;   /* PID value */
+		u32 PID_trans         : 1;   /* translation will take place for packets filtered */
+		u32 PID_enable_bit    : 1;   /* When set this PID filter is enabled */
+		u32 reserved          :17;
+	} pid_n_reg_314;
+
+	struct {
+		u32 A4_byte           : 8;
+		u32 A5_byte           : 8;
+		u32 A6_byte           : 8;
+		u32 Enable_bit        : 1;   /* enabled (1) or disabled (1) */
+		u32 HighAB_bit        : 1;   /* use MAC_highA (1) or MAC_highB (0) as MSB */
+		u32 reserved          : 6;
+	} mac_low_reg_318;
+
+	struct {
+		u32 A1_byte           : 8;
+		u32 A2_byte           : 8;
+		u32 A3_byte           : 8;
+		u32 reserved          : 8;
+	} mac_high_reg_31c;
+
+/* Table, SMCID,MACDestination Filters 0x400 to 0x41c */
+	struct {
+		u32 reserved          :16;
+#define fc_data_Tag_ID_DVB  0x3e
+#define fc_data_Tag_ID_ATSC 0x3f
+#define fc_data_Tag_ID_IDSB 0x8b
+		u32 data_Tag_ID       :16;
+	} data_tag_400;
+
+	struct {
+		u32 Card_IDbyte6      : 8;
+		u32 Card_IDbyte5      : 8;
+		u32 Card_IDbyte4      : 8;
+		u32 Card_IDbyte3      : 8;
+	} card_id_408;
+
+	struct {
+		u32 Card_IDbyte2      : 8;
+		u32 Card_IDbyte1      : 8;
+	} card_id_40c;
+
+	/* holding the unique mac address of the receiver which houses the FlexCopIII */
+	struct {
+		u32 MAC1              : 8;
+		u32 MAC2              : 8;
+		u32 MAC3              : 8;
+		u32 MAC6              : 8;
+	} mac_address_418;
+
+	struct {
+		u32 MAC7              : 8;
+		u32 MAC8              : 8;
+		u32 reserved          : 16;
+	} mac_address_41c;
+
+	struct {
+		u32 transmitter_data_byte : 8;
+		u32 ReceiveDataReady  : 1;
+		u32 ReceiveByteFrameError: 1;
+		u32 txbuffempty       : 1;
+		u32 reserved          :21;
+	} ci_600;
+
+	struct {
+		u32 pi_d              : 8;
+		u32 pi_ha             :20;
+		u32 pi_rw             : 1;
+		u32 pi_component_reg  : 3;
+	} pi_604;
+
+	struct {
+		u32 serialReset       : 1;
+		u32 oncecycle_read    : 1;
+		u32 Timer_Read_req    : 1;
+		u32 Timer_Load_req    : 1;
+		u32 timer_data        : 7;
+		u32 unused            : 1; /* ??? not mentioned in data book */
+		u32 Timer_addr        : 5;
+		u32 reserved          : 3;
+		u32 pcmcia_a_mod_pwr_n : 1;
+		u32 pcmcia_b_mod_pwr_n : 1;
+		u32 config_Done_stat  : 1;
+		u32 config_Init_stat  : 1;
+		u32 config_Prog_n     : 1;
+		u32 config_wr_n       : 1;
+		u32 config_cs_n       : 1;
+		u32 config_cclk       : 1;
+		u32 pi_CiMax_IRQ_n    : 1;
+		u32 pi_timeout_status : 1;
+		u32 pi_wait_n         : 1;
+		u32 pi_busy_n         : 1;
+	} pi_608;
+
+	struct {
+		u32 PID               :13;
+		u32 key_enable        : 1;
+#define fc_key_code_default 0x1
+#define fc_key_code_even    0x2
+#define fc_key_code_odd     0x3
+		u32 key_code          : 2;
+		u32 key_array_col     : 3;
+		u32 key_array_row     : 5;
+		u32 dvb_en            : 1; /* 0=TS bypasses the Descrambler */
+		u32 rw_flag           : 1;
+		u32 reserved          : 6;
+	} dvb_reg_60c;
+
+/* SRAM and Output Destination 0x700 to 0x714 */
+	struct {
+		u32 sram_addr         :15;
+		u32 sram_rw           : 1;   /* 0=write, 1=read */
+		u32 sram_data         : 8;
+		u32 sc_xfer_bit       : 1;
+		u32 reserved1         : 3;
+		u32 oe_pin_reg        : 1;
+		u32 ce_pin_reg        : 1;
+		u32 reserved2         : 1;
+		u32 start_sram_ibi    : 1;
+	} sram_ctrl_reg_700;
+
+	struct {
+		u32 net_addr_read     :16;
+		u32 net_addr_write    :16;
+	} net_buf_reg_704;
+
+	struct {
+		u32 cai_read          :11;
+		u32 reserved1         : 5;
+		u32 cai_write         :11;
+		u32 reserved2         : 6;
+		u32 cai_cnt           : 4;
+	} cai_buf_reg_708;
+
+	struct {
+		u32 cao_read          :11;
+		u32 reserved1         : 5;
+		u32 cap_write         :11;
+		u32 reserved2         : 6;
+		u32 cao_cnt           : 4;
+	} cao_buf_reg_70c;
+
+	struct {
+		u32 media_read        :11;
+		u32 reserved1         : 5;
+		u32 media_write       :11;
+		u32 reserved2         : 6;
+		u32 media_cnt         : 4;
+	} media_buf_reg_710;
+
+	struct {
+		u32 NET_Dest          : 2;
+		u32 CAI_Dest          : 2;
+		u32 CAO_Dest          : 2;
+		u32 MEDIA_Dest        : 2;
+		u32 net_ovflow_error  : 1;
+		u32 media_ovflow_error : 1;
+		u32 cai_ovflow_error  : 1;
+		u32 cao_ovflow_error  : 1;
+		u32 ctrl_usb_wan      : 1;
+		u32 ctrl_sramdma      : 1;
+		u32 ctrl_maximumfill  : 1;
+		u32 reserved          :17;
+	} sram_dest_reg_714;
+
+	struct {
+		u32 net_cnt           :12;
+		u32 reserved1         : 4;
+		u32 net_addr_read     : 1;
+		u32 reserved2         : 3;
+		u32 net_addr_write    : 1;
+		u32 reserved3         :11;
+	} net_buf_reg_718;
+
+	struct {
+		u32 wan_speed_sig     : 2;
+		u32 reserved1         : 6;
+		u32 wan_wait_state    : 8;
+		u32 sram_chip         : 2;
+		u32 sram_memmap       : 2;
+		u32 reserved2         : 4;
+		u32 wan_pkt_frame     : 4;
+		u32 reserved3         : 4;
+	} wan_ctrl_reg_71c;
+} flexcop_ibi_value;
+
+extern flexcop_ibi_value ibi_zero;
+
+typedef enum {
+	FC_I2C_PORT_DEMOD  = 1,
+	FC_I2C_PORT_EEPROM = 2,
+	FC_I2C_PORT_TUNER  = 3,
+} flexcop_i2c_port_t;
+
+typedef enum {
+	FC_WRITE = 0,
+	FC_READ  = 1,
+} flexcop_access_op_t;
+
+typedef enum {
+	FC_SRAM_DEST_NET   = 1,
+	FC_SRAM_DEST_CAI   = 2,
+	FC_SRAM_DEST_CAO   = 4,
+	FC_SRAM_DEST_MEDIA = 8
+} flexcop_sram_dest_t;
+
+typedef enum {
+	FC_SRAM_DEST_TARGET_WAN_USB = 0,
+	FC_SRAM_DEST_TARGET_DMA1    = 1,
+	FC_SRAM_DEST_TARGET_DMA2    = 2,
+	FC_SRAM_DEST_TARGET_FC3_CA  = 3
+} flexcop_sram_dest_target_t;
+
+typedef enum {
+	FC_SRAM_2_32KB  = 0, /*  64KB */
+	FC_SRAM_1_32KB  = 1, /*  32KB - default fow FCII */
+	FC_SRAM_1_128KB = 2, /* 128KB */
+	FC_SRAM_1_48KB  = 3, /*  48KB - default for FCIII */
+} flexcop_sram_type_t;
+
+typedef enum {
+	FC_WAN_SPEED_4MBITS  = 0,
+	FC_WAN_SPEED_8MBITS  = 1,
+	FC_WAN_SPEED_12MBITS = 2,
+	FC_WAN_SPEED_16MBITS = 3,
+} flexcop_wan_speed_t;
+
+typedef enum {
+	FC_DMA_1 = 1,
+	FC_DMA_2 = 2,
+} flexcop_dma_index_t;
+
+typedef enum {
+	FC_DMA_SUBADDR_0 = 1,
+	FC_DMA_SUBADDR_1 = 2,
+} flexcop_dma_addr_index_t;
+
+/* names of the particular registers */
+typedef enum {
+	dma1_000            = 0x000,
+	dma1_004            = 0x004,
+	dma1_008            = 0x008,
+	dma1_00c            = 0x00c,
+	dma2_010            = 0x010,
+	dma2_014            = 0x014,
+	dma2_018            = 0x018,
+	dma2_01c            = 0x01c,
+
+	tw_sm_c_100         = 0x100,
+	tw_sm_c_104         = 0x104,
+	tw_sm_c_108         = 0x108,
+	tw_sm_c_10c         = 0x10c,
+	tw_sm_c_110         = 0x110,
+
+	lnb_switch_freq_200 = 0x200,
+	misc_204            = 0x204,
+	ctrl_208            = 0x208,
+	irq_20c             = 0x20c,
+	sw_reset_210        = 0x210,
+	misc_214            = 0x214,
+	mbox_v8_to_host_218 = 0x218,
+	mbox_host_to_v8_21c = 0x21c,
+
+	pid_filter_300      = 0x300,
+	pid_filter_304      = 0x304,
+	pid_filter_308      = 0x308,
+	pid_filter_30c      = 0x30c,
+	index_reg_310       = 0x310,
+	pid_n_reg_314       = 0x314,
+	mac_low_reg_318     = 0x318,
+	mac_high_reg_31c    = 0x31c,
+
+	data_tag_400        = 0x400,
+	card_id_408         = 0x408,
+	card_id_40c         = 0x40c,
+	mac_address_418     = 0x418,
+	mac_address_41c     = 0x41c,
+
+	ci_600              = 0x600,
+	pi_604              = 0x604,
+	pi_608              = 0x608,
+	dvb_reg_60c         = 0x60c,
+
+	sram_ctrl_reg_700   = 0x700,
+	net_buf_reg_704     = 0x704,
+	cai_buf_reg_708     = 0x708,
+	cao_buf_reg_70c     = 0x70c,
+	media_buf_reg_710   = 0x710,
+	sram_dest_reg_714   = 0x714,
+	net_buf_reg_718     = 0x718,
+	wan_ctrl_reg_71c    = 0x71c,
+} flexcop_ibi_register;
+
+#define flexcop_set_ibi_value(reg,attr,val) { \
+	flexcop_ibi_value v = fc->read_ibi_reg(fc,reg); \
+	v.reg.attr = val; \
+	fc->write_ibi_reg(fc,reg,v); \
+}
+
+#endif
diff --git a/drivers/media/dvb/b2c2/flexcop-sram.c b/drivers/media/dvb/b2c2/flexcop-sram.c
new file mode 100644
index 00000000000..01570ec8096
--- /dev/null
+++ b/drivers/media/dvb/b2c2/flexcop-sram.c
@@ -0,0 +1,403 @@
+/*
+ * This file is part of linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III
+ *
+ * flexcop-sram.c - functions for controlling the SRAM.
+ *
+ * see flexcop.c for copyright information.
+ */
+#include "flexcop.h"
+
+static void flexcop_sram_set_chip (struct flexcop_device *fc, flexcop_sram_type_t type)
+{
+	flexcop_set_ibi_value(wan_ctrl_reg_71c,sram_chip,type);
+}
+
+int flexcop_sram_init(struct flexcop_device *fc)
+{
+	switch (fc->rev) {
+		case FLEXCOP_II:
+		case FLEXCOP_IIB:
+			flexcop_sram_set_chip(fc,FC_SRAM_1_32KB);
+			break;
+		case FLEXCOP_III:
+			flexcop_sram_set_chip(fc,FC_SRAM_1_48KB);
+			break;
+		default:
+			return -EINVAL;
+	}
+	return 0;
+}
+
+int flexcop_sram_set_dest(struct flexcop_device *fc, flexcop_sram_dest_t dest, flexcop_sram_dest_target_t target)
+{
+	flexcop_ibi_value v;
+
+	v = fc->read_ibi_reg(fc,sram_dest_reg_714);
+
+	if (fc->rev != FLEXCOP_III && target == FC_SRAM_DEST_TARGET_FC3_CA) {
+		err("SRAM destination target to available on FlexCopII(b)\n");
+		return -EINVAL;
+	}
+
+	deb_sram("sram dest: %x target: %x\n",dest, target);
+
+	if (dest & FC_SRAM_DEST_NET)
+		v.sram_dest_reg_714.NET_Dest = target;
+	if (dest & FC_SRAM_DEST_CAI)
+		v.sram_dest_reg_714.CAI_Dest = target;
+	if (dest & FC_SRAM_DEST_CAO)
+		v.sram_dest_reg_714.CAO_Dest = target;
+	if (dest & FC_SRAM_DEST_MEDIA)
+		v.sram_dest_reg_714.MEDIA_Dest = target;
+
+	fc->write_ibi_reg(fc,sram_dest_reg_714,v);
+	udelay(1000); /* TODO delay really necessary */
+
+	return 0;
+}
+EXPORT_SYMBOL(flexcop_sram_set_dest);
+
+void flexcop_wan_set_speed(struct flexcop_device *fc, flexcop_wan_speed_t s)
+{
+	flexcop_set_ibi_value(wan_ctrl_reg_71c,wan_speed_sig,s);
+}
+EXPORT_SYMBOL(flexcop_wan_set_speed);
+
+void flexcop_sram_ctrl(struct flexcop_device *fc, int usb_wan, int sramdma, int maximumfill)
+{
+	flexcop_ibi_value v = fc->read_ibi_reg(fc,sram_dest_reg_714);
+	v.sram_dest_reg_714.ctrl_usb_wan = usb_wan;
+	v.sram_dest_reg_714.ctrl_sramdma = sramdma;
+	v.sram_dest_reg_714.ctrl_maximumfill = maximumfill;
+	fc->write_ibi_reg(fc,sram_dest_reg_714,v);
+}
+EXPORT_SYMBOL(flexcop_sram_ctrl);
+
+#if 0
+static void flexcop_sram_write(struct adapter *adapter, u32 bank, u32 addr, u8 *buf, u32 len)
+{
+	int i, retries;
+	u32 command;
+
+	for (i = 0; i < len; i++) {
+		command = bank | addr | 0x04000000 | (*buf << 0x10);
+
+		retries = 2;
+
+		while (((read_reg_dw(adapter, 0x700) & 0x80000000) != 0) && (retries > 0)) {
+			mdelay(1);
+			retries--;
+		};
+
+		if (retries == 0)
+			printk("%s: SRAM timeout\n", __FUNCTION__);
+
+		write_reg_dw(adapter, 0x700, command);
+
+		buf++;
+		addr++;
+	}
+}
+
+static void flex_sram_read(struct adapter *adapter, u32 bank, u32 addr, u8 *buf, u32 len)
+{
+	int i, retries;
+	u32 command, value;
+
+	for (i = 0; i < len; i++) {
+		command = bank | addr | 0x04008000;
+
+		retries = 10000;
+
+		while (((read_reg_dw(adapter, 0x700) & 0x80000000) != 0) && (retries > 0)) {
+			mdelay(1);
+			retries--;
+		};
+
+		if (retries == 0)
+			printk("%s: SRAM timeout\n", __FUNCTION__);
+
+		write_reg_dw(adapter, 0x700, command);
+
+		retries = 10000;
+
+		while (((read_reg_dw(adapter, 0x700) & 0x80000000) != 0) && (retries > 0)) {
+			mdelay(1);
+			retries--;
+		};
+
+		if (retries == 0)
+			printk("%s: SRAM timeout\n", __FUNCTION__);
+
+		value = read_reg_dw(adapter, 0x700) >> 0x10;
+
+		*buf = (value & 0xff);
+
+		addr++;
+		buf++;
+	}
+}
+
+static void sram_write_chunk(struct adapter *adapter, u32 addr, u8 *buf, u16 len)
+{
+	u32 bank;
+
+	bank = 0;
+
+	if (adapter->dw_sram_type == 0x20000) {
+		bank = (addr & 0x18000) << 0x0d;
+	}
+
+	if (adapter->dw_sram_type == 0x00000) {
+		if ((addr >> 0x0f) == 0)
+			bank = 0x20000000;
+		else
+			bank = 0x10000000;
+	}
+
+	flex_sram_write(adapter, bank, addr & 0x7fff, buf, len);
+}
+
+static void sram_read_chunk(struct adapter *adapter, u32 addr, u8 *buf, u16 len)
+{
+	u32 bank;
+
+	bank = 0;
+
+	if (adapter->dw_sram_type == 0x20000) {
+		bank = (addr & 0x18000) << 0x0d;
+	}
+
+	if (adapter->dw_sram_type == 0x00000) {
+		if ((addr >> 0x0f) == 0)
+			bank = 0x20000000;
+		else
+			bank = 0x10000000;
+	}
+
+	flex_sram_read(adapter, bank, addr & 0x7fff, buf, len);
+}
+
+static void sram_read(struct adapter *adapter, u32 addr, u8 *buf, u32 len)
+{
+	u32 length;
+
+	while (len != 0) {
+		length = len;
+
+		// check if the address range belongs to the same
+		// 32K memory chip. If not, the data is read from
+		// one chip at a time.
+		if ((addr >> 0x0f) != ((addr + len - 1) >> 0x0f)) {
+			length = (((addr >> 0x0f) + 1) << 0x0f) - addr;
+		}
+
+		sram_read_chunk(adapter, addr, buf, length);
+
+		addr = addr + length;
+		buf = buf + length;
+		len = len - length;
+	}
+}
+
+static void sram_write(struct adapter *adapter, u32 addr, u8 *buf, u32 len)
+{
+	u32 length;
+
+	while (len != 0) {
+		length = len;
+
+		// check if the address range belongs to the same
+		// 32K memory chip. If not, the data is written to
+		// one chip at a time.
+		if ((addr >> 0x0f) != ((addr + len - 1) >> 0x0f)) {
+			length = (((addr >> 0x0f) + 1) << 0x0f) - addr;
+		}
+
+		sram_write_chunk(adapter, addr, buf, length);
+
+		addr = addr + length;
+		buf = buf + length;
+		len = len - length;
+	}
+}
+
+static void sram_set_size(struct adapter *adapter, u32 mask)
+{
+	write_reg_dw(adapter, 0x71c, (mask | (~0x30000 & read_reg_dw(adapter, 0x71c))));
+}
+
+static void sram_init(struct adapter *adapter)
+{
+	u32 tmp;
+
+	tmp = read_reg_dw(adapter, 0x71c);
+
+	write_reg_dw(adapter, 0x71c, 1);
+
+	if (read_reg_dw(adapter, 0x71c) != 0) {
+		write_reg_dw(adapter, 0x71c, tmp);
+
+		adapter->dw_sram_type = tmp & 0x30000;
+
+		ddprintk("%s: dw_sram_type = %x\n", __FUNCTION__, adapter->dw_sram_type);
+
+	} else {
+
+		adapter->dw_sram_type = 0x10000;
+
+		ddprintk("%s: dw_sram_type = %x\n", __FUNCTION__, adapter->dw_sram_type);
+	}
+
+	/* return value is never used? */
+/*	return adapter->dw_sram_type; */
+}
+
+static int sram_test_location(struct adapter *adapter, u32 mask, u32 addr)
+{
+	u8 tmp1, tmp2;
+
+	dprintk("%s: mask = %x, addr = %x\n", __FUNCTION__, mask, addr);
+
+	sram_set_size(adapter, mask);
+	sram_init(adapter);
+
+	tmp2 = 0xa5;
+	tmp1 = 0x4f;
+
+	sram_write(adapter, addr, &tmp2, 1);
+	sram_write(adapter, addr + 4, &tmp1, 1);
+
+	tmp2 = 0;
+
+	mdelay(20);
+
+	sram_read(adapter, addr, &tmp2, 1);
+	sram_read(adapter, addr, &tmp2, 1);
+
+	dprintk("%s: wrote 0xa5, read 0x%2x\n", __FUNCTION__, tmp2);
+
+	if (tmp2 != 0xa5)
+		return 0;
+
+	tmp2 = 0x5a;
+	tmp1 = 0xf4;
+
+	sram_write(adapter, addr, &tmp2, 1);
+	sram_write(adapter, addr + 4, &tmp1, 1);
+
+	tmp2 = 0;
+
+	mdelay(20);
+
+	sram_read(adapter, addr, &tmp2, 1);
+	sram_read(adapter, addr, &tmp2, 1);
+
+	dprintk("%s: wrote 0x5a, read 0x%2x\n", __FUNCTION__, tmp2);
+
+	if (tmp2 != 0x5a)
+		return 0;
+
+	return 1;
+}
+
+static u32 sram_length(struct adapter *adapter)
+{
+	if (adapter->dw_sram_type == 0x10000)
+		return 32768;	//  32K
+	if (adapter->dw_sram_type == 0x00000)
+		return 65536;	//  64K
+	if (adapter->dw_sram_type == 0x20000)
+		return 131072;	// 128K
+
+	return 32768;		// 32K
+}
+
+/* FlexcopII can work with 32K, 64K or 128K of external SRAM memory.
+    - for 128K there are 4x32K chips at bank 0,1,2,3.
+    - for  64K there are 2x32K chips at bank 1,2.
+    - for  32K there is one 32K chip at bank 0.
+
+   FlexCop works only with one bank at a time. The bank is selected
+   by bits 28-29 of the 0x700 register.
+
+   bank 0 covers addresses 0x00000-0x07fff
+   bank 1 covers addresses 0x08000-0x0ffff
+   bank 2 covers addresses 0x10000-0x17fff
+   bank 3 covers addresses 0x18000-0x1ffff
+*/
+
+static int flexcop_sram_detect(struct flexcop_device *fc)
+{
+	flexcop_ibi_value r208,r71c_0,vr71c_1;
+
+	r208 = fc->read_ibi_reg(fc, ctrl_208);
+	fc->write_ibi_reg(fc, ctrl_208, ibi_zero);
+
+	r71c_0 = fc->read_ibi_reg(fc, wan_ctrl_reg_71c);
+
+	write_reg_dw(adapter, 0x71c, 1);
+
+	tmp3 = read_reg_dw(adapter, 0x71c);
+
+	dprintk("%s: tmp3 = %x\n", __FUNCTION__, tmp3);
+
+	write_reg_dw(adapter, 0x71c, tmp2);
+
+	// check for internal SRAM ???
+	tmp3--;
+	if (tmp3 != 0) {
+		sram_set_size(adapter, 0x10000);
+		sram_init(adapter);
+		write_reg_dw(adapter, 0x208, tmp);
+
+		dprintk("%s: sram size = 32K\n", __FUNCTION__);
+
+		return 32;
+	}
+
+	if (sram_test_location(adapter, 0x20000, 0x18000) != 0) {
+		sram_set_size(adapter, 0x20000);
+		sram_init(adapter);
+		write_reg_dw(adapter, 0x208, tmp);
+
+		dprintk("%s: sram size = 128K\n", __FUNCTION__);
+
+		return 128;
+	}
+
+	if (sram_test_location(adapter, 0x00000, 0x10000) != 0) {
+		sram_set_size(adapter, 0x00000);
+		sram_init(adapter);
+		write_reg_dw(adapter, 0x208, tmp);
+
+		dprintk("%s: sram size = 64K\n", __FUNCTION__);
+
+		return 64;
+	}
+
+	if (sram_test_location(adapter, 0x10000, 0x00000) != 0) {
+		sram_set_size(adapter, 0x10000);
+		sram_init(adapter);
+		write_reg_dw(adapter, 0x208, tmp);
+
+		dprintk("%s: sram size = 32K\n", __FUNCTION__);
+
+		return 32;
+	}
+
+	sram_set_size(adapter, 0x10000);
+	sram_init(adapter);
+	write_reg_dw(adapter, 0x208, tmp);
+
+	dprintk("%s: SRAM detection failed. Set to 32K \n", __FUNCTION__);
+
+	return 0;
+}
+
+static void sll_detect_sram_size(struct adapter *adapter)
+{
+	sram_detect_for_flex2(adapter);
+}
+
+#endif
diff --git a/drivers/media/dvb/b2c2/flexcop-usb.c b/drivers/media/dvb/b2c2/flexcop-usb.c
new file mode 100644
index 00000000000..0113449abd1
--- /dev/null
+++ b/drivers/media/dvb/b2c2/flexcop-usb.c
@@ -0,0 +1,577 @@
+/*
+ * This file is part of linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III
+ *
+ * flexcop-usb.c - covers the USB part.
+ *
+ * see flexcop.c for copyright information.
+ */
+
+#define FC_LOG_PREFIX "flexcop_usb"
+#include "flexcop-usb.h"
+#include "flexcop-common.h"
+
+/* Version information */
+#define DRIVER_VERSION "0.1"
+#define DRIVER_NAME "Technisat/B2C2 FlexCop II/IIb/III Digital TV USB Driver"
+#define DRIVER_AUTHOR "Patrick Boettcher <patrick.boettcher@desy.de>"
+
+/* debug */
+#ifdef CONFIG_DVB_B2C2_FLEXCOP_DEBUG
+#define dprintk(level,args...) \
+	    do { if ((debug & level)) { printk(args); } } while (0)
+#define debug_dump(b,l,method) {\
+	int i; \
+	for (i = 0; i < l; i++) method("%02x ", b[i]); \
+	method("\n");\
+}
+
+#define DEBSTATUS ""
+#else
+#define dprintk(level,args...)
+#define debug_dump(b,l,method)
+#define DEBSTATUS " (debugging is not enabled)"
+#endif
+
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "set debugging level (1=info,ts=2,ctrl=4,i2c=8,v8mem=16 (or-able))." DEBSTATUS);
+#undef DEBSTATUS
+
+#define deb_info(args...) dprintk(0x01,args)
+#define deb_ts(args...)   dprintk(0x02,args)
+#define deb_ctrl(args...) dprintk(0x04,args)
+#define deb_i2c(args...)  dprintk(0x08,args)
+#define deb_v8(args...)   dprintk(0x10,args)
+
+/* JLP 111700: we will include the 1 bit gap between the upper and lower 3 bits
+ * in the IBI address, to make the V8 code simpler.
+ * PCI ADDRESS FORMAT: 0x71C -> 0000 0111 0001 1100 (these are the six bits used)
+ *                  in general: 0000 0HHH 000L LL00
+ * IBI ADDRESS FORMAT:                    RHHH BLLL
+ *
+ * where R is the read(1)/write(0) bit, B is the busy bit
+ * and HHH and LLL are the two sets of three bits from the PCI address.
+ */
+#define B2C2_FLEX_PCIOFFSET_TO_INTERNALADDR(usPCI) (u8) (((usPCI >> 2) & 0x07) + ((usPCI >> 4) & 0x70))
+#define B2C2_FLEX_INTERNALADDR_TO_PCIOFFSET(ucAddr) (u16) (((ucAddr & 0x07) << 2) + ((ucAddr & 0x70) << 4))
+
+/*
+ * DKT 020228
+ * - forget about this VENDOR_BUFFER_SIZE, read and write register
+ *   deal with DWORD or 4 bytes, that should be should from now on
+ * - from now on, we don't support anything older than firm 1.00
+ *   I eliminated the write register as a 2 trip of writing hi word and lo word
+ *   and force this to write only 4 bytes at a time.
+ *   NOTE: this should work with all the firmware from 1.00 and newer
+ */
+static int flexcop_usb_readwrite_dw(struct flexcop_device *fc, u16 wRegOffsPCI, u32 *val, u8 read)
+{
+	struct flexcop_usb *fc_usb = fc->bus_specific;
+	u8 request = read ? B2C2_USB_READ_REG : B2C2_USB_WRITE_REG;
+	u8 request_type = (read ? USB_DIR_IN : USB_DIR_OUT) | USB_TYPE_VENDOR;
+	u8 wAddress = B2C2_FLEX_PCIOFFSET_TO_INTERNALADDR(wRegOffsPCI) | (read ? 0x80 : 0);
+
+	int len = usb_control_msg(fc_usb->udev,
+			read ? B2C2_USB_CTRL_PIPE_IN : B2C2_USB_CTRL_PIPE_OUT,
+			request,
+			request_type,  /* 0xc0 read or 0x40 write*/
+			wAddress,
+			0,
+			val,
+			sizeof(u32),
+			B2C2_WAIT_FOR_OPERATION_RDW * HZ);
+
+	if (len != sizeof(u32)) {
+		err("error while %s dword from %d (%d).",read ? "reading" : "writing",
+			wAddress,wRegOffsPCI);
+		return -EIO;
+	}
+	return 0;
+}
+
+/*
+ * DKT 010817 - add support for V8 memory read/write and flash update
+ */
+static int flexcop_usb_v8_memory_req(struct flexcop_usb *fc_usb,
+		flexcop_usb_request_t req, u8 page, u16 wAddress,
+		u8 *pbBuffer,u32 buflen)
+{
+//	u8 dwRequestType;
+	u8 request_type = USB_TYPE_VENDOR;
+	u16 wIndex;
+	int nWaitTime,pipe,len;
+
+	wIndex = page << 8;
+
+	switch (req) {
+		case B2C2_USB_READ_V8_MEM:
+			nWaitTime = B2C2_WAIT_FOR_OPERATION_V8READ;
+			request_type |= USB_DIR_IN;
+//			dwRequestType = (u8) RTYPE_READ_V8_MEMORY;
+			pipe = B2C2_USB_CTRL_PIPE_IN;
+		break;
+		case B2C2_USB_WRITE_V8_MEM:
+			wIndex |= pbBuffer[0];
+			request_type |= USB_DIR_OUT;
+			nWaitTime = B2C2_WAIT_FOR_OPERATION_V8WRITE;
+//			dwRequestType = (u8) RTYPE_WRITE_V8_MEMORY;
+			pipe = B2C2_USB_CTRL_PIPE_OUT;
+		break;
+		case B2C2_USB_FLASH_BLOCK:
+			request_type |= USB_DIR_OUT;
+			nWaitTime = B2C2_WAIT_FOR_OPERATION_V8FLASH;
+//			dwRequestType = (u8) RTYPE_WRITE_V8_FLASH;
+			pipe = B2C2_USB_CTRL_PIPE_OUT;
+		break;
+		default:
+			deb_info("unsupported request for v8_mem_req %x.\n",req);
+		return -EINVAL;
+	}
+	deb_v8("v8mem: %02x %02x %04x %04x, len: %d\n",request_type,req,
+			wAddress,wIndex,buflen);
+
+	len = usb_control_msg(fc_usb->udev,pipe,
+			req,
+			request_type,
+			wAddress,
+			wIndex,
+			pbBuffer,
+			buflen,
+			nWaitTime * HZ);
+
+	debug_dump(pbBuffer,len,deb_v8);
+
+	return len == buflen ? 0 : -EIO;
+}
+
+#define bytes_left_to_read_on_page(paddr,buflen) \
+			((V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK)) > buflen \
+			? buflen : (V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK)))
+
+static int flexcop_usb_memory_req(struct flexcop_usb *fc_usb,flexcop_usb_request_t req,
+		flexcop_usb_mem_page_t page_start, u32 addr, int extended, u8 *buf, u32 len)
+{
+	int i,ret = 0;
+	u16 wMax;
+	u32 pagechunk = 0;
+
+	switch(req) {
+		case B2C2_USB_READ_V8_MEM:  wMax = USB_MEM_READ_MAX; break;
+		case B2C2_USB_WRITE_V8_MEM:	wMax = USB_MEM_WRITE_MAX; break;
+		case B2C2_USB_FLASH_BLOCK:  wMax = USB_FLASH_MAX; break;
+		default:
+			return -EINVAL;
+		break;
+	}
+	for (i = 0; i < len;) {
+		pagechunk = wMax < bytes_left_to_read_on_page(addr,len) ? wMax : bytes_left_to_read_on_page(addr,len);
+		deb_info("%x\n",(addr & V8_MEMORY_PAGE_MASK) | (V8_MEMORY_EXTENDED*extended));
+		if ((ret = flexcop_usb_v8_memory_req(fc_usb,req,
+				page_start + (addr / V8_MEMORY_PAGE_SIZE), /* actual page */
+				(addr & V8_MEMORY_PAGE_MASK) | (V8_MEMORY_EXTENDED*extended),
+				&buf[i],pagechunk)) < 0)
+			return ret;
+
+		addr += pagechunk;
+		len -= pagechunk;
+	}
+	return 0;
+}
+
+static int flexcop_usb_get_mac_addr(struct flexcop_device *fc, int extended)
+{
+	return flexcop_usb_memory_req(fc->bus_specific,B2C2_USB_READ_V8_MEM,
+			V8_MEMORY_PAGE_FLASH,0x1f010,1,fc->dvb_adapter.proposed_mac,6);
+}
+
+#if 0
+static int flexcop_usb_utility_req(struct flexcop_usb *fc_usb, int set,
+		flexcop_usb_utility_function_t func, u8 extra, u16 wIndex,
+		u16 buflen, u8 *pvBuffer)
+{
+	u16 wValue;
+	u8 request_type = (set ? USB_DIR_OUT : USB_DIR_IN) | USB_TYPE_VENDOR;
+//	u8 dwRequestType = (u8) RTYPE_GENERIC,
+	int nWaitTime = 2,
+		pipe = set ? B2C2_USB_CTRL_PIPE_OUT : B2C2_USB_CTRL_PIPE_IN,
+		len;
+
+	wValue = (func << 8) | extra;
+
+	len = usb_control_msg(fc_usb->udev,pipe,
+			B2C2_USB_UTILITY,
+			request_type,
+			wValue,
+			wIndex,
+			pvBuffer,
+			buflen,
+			nWaitTime * HZ);
+	return len == buflen ? 0 : -EIO;
+}
+#endif
+
+/* usb i2c stuff */
+static int flexcop_usb_i2c_req(struct flexcop_usb *fc_usb,
+		flexcop_usb_request_t req, flexcop_usb_i2c_function_t func,
+		flexcop_i2c_port_t port, u8 chipaddr, u8 addr, u8 *buf, u8 buflen)
+{
+	u16 wValue, wIndex;
+	int nWaitTime,pipe,len;
+//	u8 dwRequestType;
+	u8 request_type = USB_TYPE_VENDOR;
+
+	switch (func) {
+		case USB_FUNC_I2C_WRITE:
+		case USB_FUNC_I2C_MULTIWRITE:
+		case USB_FUNC_I2C_REPEATWRITE:
+		/* DKT 020208 - add this to support special case of DiSEqC */
+		case USB_FUNC_I2C_CHECKWRITE:
+			pipe = B2C2_USB_CTRL_PIPE_OUT;
+			nWaitTime = 2;
+//			dwRequestType = (u8) RTYPE_GENERIC;
+			request_type |= USB_DIR_OUT;
+		break;
+		case USB_FUNC_I2C_READ:
+		case USB_FUNC_I2C_REPEATREAD:
+			pipe = B2C2_USB_CTRL_PIPE_IN;
+			nWaitTime = 2;
+//			dwRequestType = (u8) RTYPE_GENERIC;
+			request_type |= USB_DIR_IN;
+		break;
+		default:
+			deb_info("unsupported function for i2c_req %x\n",func);
+			return -EINVAL;
+	}
+	wValue = (func << 8 ) | (port << 4);
+	wIndex = (chipaddr << 8 ) | addr;
+
+	deb_i2c("i2c %2d: %02x %02x %02x %02x %02x %02x\n",func,request_type,req,
+			((wValue && 0xff) << 8),wValue >> 8,((wIndex && 0xff) << 8),wIndex >> 8);
+
+	len = usb_control_msg(fc_usb->udev,pipe,
+			req,
+			request_type,
+			wValue,
+			wIndex,
+			buf,
+			buflen,
+			nWaitTime * HZ);
+
+	return len == buflen ? 0 : -EREMOTEIO;
+}
+
+/* actual bus specific access functions, make sure prototype are/will be equal to pci */
+static flexcop_ibi_value flexcop_usb_read_ibi_reg(struct flexcop_device *fc, flexcop_ibi_register reg)
+{
+	flexcop_ibi_value val;
+	val.raw = 0;
+	flexcop_usb_readwrite_dw(fc,reg, &val.raw, 1);
+	return val;
+}
+
+static int flexcop_usb_write_ibi_reg(struct flexcop_device *fc, flexcop_ibi_register reg, flexcop_ibi_value val)
+{
+	return flexcop_usb_readwrite_dw(fc,reg, &val.raw, 0);
+}
+
+static int flexcop_usb_i2c_request(struct flexcop_device *fc, flexcop_access_op_t op,
+		flexcop_i2c_port_t port, u8 chipaddr, u8 addr, u8 *buf, u16 len)
+{
+	if (op == FC_READ)
+		return flexcop_usb_i2c_req(fc->bus_specific,B2C2_USB_I2C_REQUEST,USB_FUNC_I2C_READ,port,chipaddr,addr,buf,len);
+	else
+		return flexcop_usb_i2c_req(fc->bus_specific,B2C2_USB_I2C_REQUEST,USB_FUNC_I2C_WRITE,port,chipaddr,addr,buf,len);
+}
+
+static void flexcop_usb_process_frame(struct flexcop_usb *fc_usb, u8 *buffer, int buffer_length)
+{
+	u8 *b;
+	int l;
+
+	deb_ts("tmp_buffer_length=%d, buffer_length=%d\n", fc_usb->tmp_buffer_length, buffer_length);
+
+	if (fc_usb->tmp_buffer_length > 0) {
+		memcpy(fc_usb->tmp_buffer+fc_usb->tmp_buffer_length, buffer, buffer_length);
+		fc_usb->tmp_buffer_length += buffer_length;
+		b = fc_usb->tmp_buffer;
+		l = fc_usb->tmp_buffer_length;
+	} else {
+		b=buffer;
+		l=buffer_length;
+	}
+
+	while (l >= 190) {
+		if (*b == 0xff)
+			switch (*(b+1) & 0x03) {
+				case 0x01: /* media packet */
+					if ( *(b+2) == 0x47 )
+						flexcop_pass_dmx_packets(fc_usb->fc_dev, b+2, 1);
+					else
+						deb_ts("not ts packet %02x %02x %02x %02x \n", *(b+2), *(b+3), *(b+4), *(b+5) );
+
+					b += 190;
+					l -= 190;
+				break;
+				default:
+					deb_ts("wrong packet type\n");
+					l = 0;
+				break;
+			}
+		else {
+			deb_ts("wrong header\n");
+			l = 0;
+		}
+	}
+
+	if (l>0)
+		memcpy(fc_usb->tmp_buffer, b, l);
+	fc_usb->tmp_buffer_length = l;
+}
+
+static void flexcop_usb_urb_complete(struct urb *urb, struct pt_regs *ptregs)
+{
+	struct flexcop_usb *fc_usb = urb->context;
+	int i;
+
+	if (urb->actual_length > 0)
+		deb_ts("urb completed, bufsize: %d actlen; %d\n",urb->transfer_buffer_length, urb->actual_length);
+
+	for (i = 0; i < urb->number_of_packets; i++) {
+		if (urb->iso_frame_desc[i].status < 0) {
+			err("iso frame descriptor %d has an error: %d\n",i,urb->iso_frame_desc[i].status);
+		} else
+			if (urb->iso_frame_desc[i].actual_length > 0) {
+				deb_ts("passed %d bytes to the demux\n",urb->iso_frame_desc[i].actual_length);
+
+				flexcop_usb_process_frame(fc_usb,
+					urb->transfer_buffer + urb->iso_frame_desc[i].offset,
+					urb->iso_frame_desc[i].actual_length);
+		}
+		urb->iso_frame_desc[i].status = 0;
+		urb->iso_frame_desc[i].actual_length = 0;
+	}
+
+	usb_submit_urb(urb,GFP_ATOMIC);
+}
+
+static int flexcop_usb_stream_control(struct flexcop_device *fc, int onoff)
+{
+	/* submit/kill iso packets */
+	return 0;
+}
+
+static void flexcop_usb_transfer_exit(struct flexcop_usb *fc_usb)
+{
+	int i;
+	for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++)
+		if (fc_usb->iso_urb[i] != NULL) {
+			deb_ts("unlinking/killing urb no. %d\n",i);
+			usb_kill_urb(fc_usb->iso_urb[i]);
+			usb_free_urb(fc_usb->iso_urb[i]);
+		}
+
+	if (fc_usb->iso_buffer != NULL)
+		pci_free_consistent(NULL,fc_usb->buffer_size, fc_usb->iso_buffer, fc_usb->dma_addr);
+}
+
+static int flexcop_usb_transfer_init(struct flexcop_usb *fc_usb)
+{
+	u16 frame_size = fc_usb->uintf->cur_altsetting->endpoint[0].desc.wMaxPacketSize;
+	int bufsize = B2C2_USB_NUM_ISO_URB * B2C2_USB_FRAMES_PER_ISO * frame_size,i,j,ret;
+	int buffer_offset = 0;
+
+	deb_ts("creating %d iso-urbs with %d frames each of %d bytes size = %d.\n",
+			B2C2_USB_NUM_ISO_URB, B2C2_USB_FRAMES_PER_ISO, frame_size,bufsize);
+
+	fc_usb->iso_buffer = pci_alloc_consistent(NULL,bufsize,&fc_usb->dma_addr);
+	if (fc_usb->iso_buffer == NULL)
+		return -ENOMEM;
+	memset(fc_usb->iso_buffer, 0, bufsize);
+	fc_usb->buffer_size = bufsize;
+
+	/* creating iso urbs */
+	for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++)
+		if (!(fc_usb->iso_urb[i] = usb_alloc_urb(B2C2_USB_FRAMES_PER_ISO,GFP_ATOMIC))) {
+			ret = -ENOMEM;
+			goto urb_error;
+		}
+	/* initialising and submitting iso urbs */
+	for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) {
+		int frame_offset = 0;
+		struct urb *urb = fc_usb->iso_urb[i];
+		deb_ts("initializing and submitting urb no. %d (buf_offset: %d).\n",i,buffer_offset);
+
+		urb->dev = fc_usb->udev;
+		urb->context = fc_usb;
+		urb->complete = flexcop_usb_urb_complete;
+		urb->pipe = B2C2_USB_DATA_PIPE;
+		urb->transfer_flags = URB_ISO_ASAP;
+		urb->interval = 1;
+		urb->number_of_packets = B2C2_USB_FRAMES_PER_ISO;
+		urb->transfer_buffer_length = frame_size * B2C2_USB_FRAMES_PER_ISO;
+		urb->transfer_buffer = fc_usb->iso_buffer + buffer_offset;
+
+		buffer_offset += frame_size * B2C2_USB_FRAMES_PER_ISO;
+		for (j = 0; j < B2C2_USB_FRAMES_PER_ISO; j++) {
+			deb_ts("urb no: %d, frame: %d, frame_offset: %d\n",i,j,frame_offset);
+			urb->iso_frame_desc[j].offset = frame_offset;
+			urb->iso_frame_desc[j].length = frame_size;
+			frame_offset += frame_size;
+		}
+
+		if ((ret = usb_submit_urb(fc_usb->iso_urb[i],GFP_ATOMIC))) {
+			err("submitting urb %d failed with %d.",i,ret);
+			goto urb_error;
+		}
+		deb_ts("submitted urb no. %d.\n",i);
+	}
+
+/* SRAM */
+
+	flexcop_sram_set_dest(fc_usb->fc_dev,FC_SRAM_DEST_MEDIA | FC_SRAM_DEST_NET |
+			FC_SRAM_DEST_CAO | FC_SRAM_DEST_CAI, FC_SRAM_DEST_TARGET_WAN_USB);
+	flexcop_wan_set_speed(fc_usb->fc_dev,FC_WAN_SPEED_8MBITS);
+	flexcop_sram_ctrl(fc_usb->fc_dev,1,1,1);
+
+	ret = 0;
+	goto success;
+urb_error:
+	flexcop_usb_transfer_exit(fc_usb);
+success:
+	return ret;
+}
+
+static int flexcop_usb_init(struct flexcop_usb *fc_usb)
+{
+	/* use the alternate setting with the larges buffer */
+	usb_set_interface(fc_usb->udev,0,1);
+	switch (fc_usb->udev->speed) {
+		case USB_SPEED_LOW:
+			err("cannot handle USB speed because it is to sLOW.");
+			return -ENODEV;
+			break;
+		case USB_SPEED_FULL:
+			info("running at FULL speed.");
+			break;
+		case USB_SPEED_HIGH:
+			info("running at HIGH speed.");
+			break;
+		case USB_SPEED_UNKNOWN: /* fall through */
+		default:
+			err("cannot handle USB speed because it is unkown.");
+			return -ENODEV;
+	}
+	usb_set_intfdata(fc_usb->uintf, fc_usb);
+	return 0;
+}
+
+static void flexcop_usb_exit(struct flexcop_usb *fc_usb)
+{
+	usb_set_intfdata(fc_usb->uintf, NULL);
+}
+
+static int flexcop_usb_probe(struct usb_interface *intf,
+		const struct usb_device_id *id)
+{
+	struct usb_device *udev = interface_to_usbdev(intf);
+	struct flexcop_usb *fc_usb = NULL;
+	struct flexcop_device *fc = NULL;
+	int ret;
+
+	if ((fc = flexcop_device_kmalloc(sizeof(struct flexcop_usb))) == NULL) {
+		err("out of memory\n");
+		return -ENOMEM;
+	}
+
+/* general flexcop init */
+	fc_usb = fc->bus_specific;
+	fc_usb->fc_dev = fc;
+
+	fc->read_ibi_reg  = flexcop_usb_read_ibi_reg;
+	fc->write_ibi_reg = flexcop_usb_write_ibi_reg;
+	fc->i2c_request = flexcop_usb_i2c_request;
+	fc->get_mac_addr = flexcop_usb_get_mac_addr;
+
+	fc->stream_control = flexcop_usb_stream_control;
+
+	fc->pid_filtering = 1;
+	fc->bus_type = FC_USB;
+
+	fc->dev = &udev->dev;
+	fc->owner = THIS_MODULE;
+
+/* bus specific part */
+	fc_usb->udev = udev;
+	fc_usb->uintf = intf;
+	if ((ret = flexcop_usb_init(fc_usb)) != 0)
+		goto err_kfree;
+
+/* init flexcop */
+	if ((ret = flexcop_device_initialize(fc)) != 0)
+		goto err_usb_exit;
+
+/* xfer init */
+	if ((ret = flexcop_usb_transfer_init(fc_usb)) != 0)
+		goto err_fc_exit;
+
+	info("%s successfully initialized and connected.",DRIVER_NAME);
+	ret = 0;
+	goto success;
+err_fc_exit:
+	flexcop_device_exit(fc);
+err_usb_exit:
+	flexcop_usb_exit(fc_usb);
+err_kfree:
+	flexcop_device_kfree(fc);
+success:
+	return ret;
+}
+
+static void flexcop_usb_disconnect(struct usb_interface *intf)
+{
+	struct flexcop_usb *fc_usb = usb_get_intfdata(intf);
+	flexcop_usb_transfer_exit(fc_usb);
+	flexcop_device_exit(fc_usb->fc_dev);
+	flexcop_usb_exit(fc_usb);
+	flexcop_device_kfree(fc_usb->fc_dev);
+	info("%s successfully deinitialized and disconnected.",DRIVER_NAME);
+}
+
+static struct usb_device_id flexcop_usb_table [] = {
+	    { USB_DEVICE(0x0af7, 0x0101) },
+	    { }
+};
+
+/* usb specific object needed to register this driver with the usb subsystem */
+static struct usb_driver flexcop_usb_driver = {
+	.owner		= THIS_MODULE,
+	.name		= "Technisat/B2C2 FlexCop II/IIb/III USB",
+	.probe		= flexcop_usb_probe,
+	.disconnect = flexcop_usb_disconnect,
+	.id_table	= flexcop_usb_table,
+};
+
+/* module stuff */
+static int __init flexcop_usb_module_init(void)
+{
+	int result;
+	if ((result = usb_register(&flexcop_usb_driver))) {
+		err("usb_register failed. (%d)",result);
+		return result;
+	}
+
+	return 0;
+}
+
+static void __exit flexcop_usb_module_exit(void)
+{
+	/* deregister this driver from the USB subsystem */
+	usb_deregister(&flexcop_usb_driver);
+}
+
+module_init(flexcop_usb_module_init);
+module_exit(flexcop_usb_module_exit);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_NAME);
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/dvb/b2c2/flexcop-usb.h b/drivers/media/dvb/b2c2/flexcop-usb.h
new file mode 100644
index 00000000000..630e647a2ca
--- /dev/null
+++ b/drivers/media/dvb/b2c2/flexcop-usb.h
@@ -0,0 +1,119 @@
+#ifndef __FLEXCOP_USB_H_INCLUDED__
+#define __FLEXCOP_USB_H_INCLUDED__
+
+#include <linux/usb.h>
+
+/* transfer parameters */
+#define B2C2_USB_FRAMES_PER_ISO		4
+#define B2C2_USB_NUM_ISO_URB		4
+
+#define B2C2_USB_CTRL_PIPE_IN		usb_rcvctrlpipe(fc_usb->udev,0)
+#define B2C2_USB_CTRL_PIPE_OUT		usb_sndctrlpipe(fc_usb->udev,0)
+#define B2C2_USB_DATA_PIPE			usb_rcvisocpipe(fc_usb->udev,0x81)
+
+struct flexcop_usb {
+	struct usb_device *udev;
+	struct usb_interface *uintf;
+
+	u8 *iso_buffer;
+	int buffer_size;
+	dma_addr_t dma_addr;
+	struct urb *iso_urb[B2C2_USB_NUM_ISO_URB];
+
+	struct flexcop_device *fc_dev;
+
+	u8 tmp_buffer[1023+190];
+	int tmp_buffer_length;
+};
+
+#if 0
+/* request types TODO What is its use?*/
+typedef enum {
+
+/* something is wrong with this part
+	RTYPE_READ_DW         = (1 << 6),
+	RTYPE_WRITE_DW_1      = (3 << 6),
+	RTYPE_READ_V8_MEMORY  = (6 << 6),
+	RTYPE_WRITE_V8_MEMORY = (7 << 6),
+	RTYPE_WRITE_V8_FLASH  = (8 << 6),
+	RTYPE_GENERIC         = (9 << 6),
+*/
+} flexcop_usb_request_type_t;
+#endif
+
+/* request */
+typedef enum {
+	B2C2_USB_WRITE_V8_MEM = 0x04,
+	B2C2_USB_READ_V8_MEM  = 0x05,
+	B2C2_USB_READ_REG     = 0x08,
+	B2C2_USB_WRITE_REG    = 0x0A,
+/*	B2C2_USB_WRITEREGLO   = 0x0A, */
+	B2C2_USB_WRITEREGHI   = 0x0B,
+	B2C2_USB_FLASH_BLOCK  = 0x10,
+	B2C2_USB_I2C_REQUEST  = 0x11,
+	B2C2_USB_UTILITY      = 0x12,
+} flexcop_usb_request_t;
+
+/* function definition for I2C_REQUEST */
+typedef enum {
+	USB_FUNC_I2C_WRITE       = 0x01,
+	USB_FUNC_I2C_MULTIWRITE  = 0x02,
+	USB_FUNC_I2C_READ        = 0x03,
+	USB_FUNC_I2C_REPEATWRITE = 0x04,
+	USB_FUNC_GET_DESCRIPTOR  = 0x05,
+	USB_FUNC_I2C_REPEATREAD  = 0x06,
+/* DKT 020208 - add this to support special case of DiSEqC */
+	USB_FUNC_I2C_CHECKWRITE  = 0x07,
+	USB_FUNC_I2C_CHECKRESULT = 0x08,
+} flexcop_usb_i2c_function_t;
+
+/*
+ * function definition for UTILITY request 0x12
+ * DKT 020304 - new utility function
+ */
+typedef enum {
+	UTILITY_SET_FILTER          = 0x01,
+	UTILITY_DATA_ENABLE         = 0x02,
+	UTILITY_FLEX_MULTIWRITE     = 0x03,
+	UTILITY_SET_BUFFER_SIZE     = 0x04,
+	UTILITY_FLEX_OPERATOR       = 0x05,
+	UTILITY_FLEX_RESET300_START = 0x06,
+	UTILITY_FLEX_RESET300_STOP  = 0x07,
+	UTILITY_FLEX_RESET300       = 0x08,
+	UTILITY_SET_ISO_SIZE        = 0x09,
+	UTILITY_DATA_RESET          = 0x0A,
+	UTILITY_GET_DATA_STATUS     = 0x10,
+	UTILITY_GET_V8_REG          = 0x11,
+/* DKT 020326 - add function for v1.14 */
+	UTILITY_SRAM_WRITE          = 0x12,
+	UTILITY_SRAM_READ           = 0x13,
+	UTILITY_SRAM_TESTFILL       = 0x14,
+	UTILITY_SRAM_TESTSET        = 0x15,
+	UTILITY_SRAM_TESTVERIFY     = 0x16,
+} flexcop_usb_utility_function_t;
+
+#define B2C2_WAIT_FOR_OPERATION_RW  1*HZ       /* 1 s */
+#define B2C2_WAIT_FOR_OPERATION_RDW 3*HZ       /* 3 s */
+#define B2C2_WAIT_FOR_OPERATION_WDW 1*HZ       /* 1 s */
+
+#define B2C2_WAIT_FOR_OPERATION_V8READ   3*HZ  /* 3 s */
+#define B2C2_WAIT_FOR_OPERATION_V8WRITE  3*HZ  /* 3 s */
+#define B2C2_WAIT_FOR_OPERATION_V8FLASH  3*HZ  /* 3 s */
+
+typedef enum {
+	V8_MEMORY_PAGE_DVB_CI = 0x20,
+	V8_MEMORY_PAGE_DVB_DS = 0x40,
+	V8_MEMORY_PAGE_MULTI2 = 0x60,
+	V8_MEMORY_PAGE_FLASH  = 0x80
+} flexcop_usb_mem_page_t;
+
+#define V8_MEMORY_EXTENDED      (1 << 15)
+
+#define USB_MEM_READ_MAX                32
+#define USB_MEM_WRITE_MAX               1
+#define USB_FLASH_MAX                   8
+
+#define V8_MEMORY_PAGE_SIZE     0x8000      // 32K
+#define V8_MEMORY_PAGE_MASK     0x7FFF
+
+#endif
diff --git a/drivers/media/dvb/b2c2/flexcop.c b/drivers/media/dvb/b2c2/flexcop.c
new file mode 100644
index 00000000000..8b5d14dd36e
--- /dev/null
+++ b/drivers/media/dvb/b2c2/flexcop.c
@@ -0,0 +1,286 @@
+/*
+ * flexcop.c - driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
+ *
+ * Copyright (C) 2004-5 Patrick Boettcher <patrick.boettcher@desy.de>
+ *
+ * based on the skystar2-driver
+ * Copyright (C) 2003 Vadim Catana, skystar@moldova.cc
+ *
+ * Acknowledgements:
+ *     John Jurrius from BBTI, Inc. for extensive support with
+ *         code examples and data books
+ *
+ *     Bjarne Steinsbo, bjarne at steinsbo.com (some ideas for rewriting)
+ *
+ * Contributions to the skystar2-driver have been done by
+ *     Vincenzo Di Massa, hawk.it at tiscalinet.it (several DiSEqC fixes)
+ *     Roberto Ragusa, r.ragusa at libero.it (polishing, restyling the code)
+ *     Niklas Peinecke, peinecke at gdv.uni-hannover.de (hardware pid/mac filtering)
+ *
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1
+ * 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 Lesser 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.
+ */
+
+#include "flexcop.h"
+
+#define DRIVER_NAME "B2C2 FlexcopII/II(b)/III digital TV receiver chip"
+#define DRIVER_AUTHOR "Patrick Boettcher <patrick.boettcher@desy.de"
+
+#ifdef CONFIG_DVB_B2C2_FLEXCOP_DEBUG
+#define DEBSTATUS ""
+#else
+#define DEBSTATUS " (debugging is not enabled)"
+#endif
+
+int b2c2_flexcop_debug;
+module_param_named(debug, b2c2_flexcop_debug,  int, 0644);
+MODULE_PARM_DESC(debug, "set debug level (1=info,2=tuner,4=i2c,8=ts,16=sram (|-able))." DEBSTATUS);
+#undef DEBSTATUS
+
+/* global zero for ibi values */
+flexcop_ibi_value ibi_zero;
+
+static int flexcop_dvb_start_feed(struct dvb_demux_feed *dvbdmxfeed)
+{
+	struct flexcop_device *fc = dvbdmxfeed->demux->priv;
+	return flexcop_pid_feed_control(fc,dvbdmxfeed,1);
+}
+
+static int flexcop_dvb_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
+{
+	struct flexcop_device *fc = dvbdmxfeed->demux->priv;
+	return flexcop_pid_feed_control(fc,dvbdmxfeed,0);
+}
+
+static int flexcop_dvb_init(struct flexcop_device *fc)
+{
+	int ret;
+	if ((ret = dvb_register_adapter(&fc->dvb_adapter,"FlexCop Digital TV device",fc->owner)) < 0) {
+		err("error registering DVB adapter");
+		return ret;
+	}
+	fc->dvb_adapter.priv = fc;
+
+	fc->demux.dmx.capabilities = (DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING);
+	fc->demux.priv = fc;
+
+	fc->demux.filternum = fc->demux.feednum = FC_MAX_FEED;
+
+	fc->demux.start_feed = flexcop_dvb_start_feed;
+	fc->demux.stop_feed = flexcop_dvb_stop_feed;
+	fc->demux.write_to_decoder = NULL;
+
+	if ((ret = dvb_dmx_init(&fc->demux)) < 0) {
+		err("dvb_dmx failed: error %d",ret);
+		goto err_dmx;
+	}
+
+	fc->hw_frontend.source = DMX_FRONTEND_0;
+
+	fc->dmxdev.filternum = fc->demux.feednum;
+	fc->dmxdev.demux = &fc->demux.dmx;
+	fc->dmxdev.capabilities = 0;
+	if ((ret = dvb_dmxdev_init(&fc->dmxdev, &fc->dvb_adapter)) < 0) {
+		err("dvb_dmxdev_init failed: error %d",ret);
+		goto err_dmx_dev;
+	}
+
+	if ((ret = fc->demux.dmx.add_frontend(&fc->demux.dmx, &fc->hw_frontend)) < 0) {
+		err("adding hw_frontend to dmx failed: error %d",ret);
+		goto err_dmx_add_hw_frontend;
+	}
+
+	fc->mem_frontend.source = DMX_MEMORY_FE;
+	if ((ret = fc->demux.dmx.add_frontend(&fc->demux.dmx, &fc->mem_frontend)) < 0) {
+		err("adding mem_frontend to dmx failed: error %d",ret);
+		goto err_dmx_add_mem_frontend;
+	}
+
+	if ((ret = fc->demux.dmx.connect_frontend(&fc->demux.dmx, &fc->hw_frontend)) < 0) {
+		err("connect frontend failed: error %d",ret);
+		goto err_connect_frontend;
+	}
+
+	dvb_net_init(&fc->dvb_adapter, &fc->dvbnet, &fc->demux.dmx);
+
+	fc->init_state |= FC_STATE_DVB_INIT;
+	goto success;
+
+err_connect_frontend:
+	fc->demux.dmx.remove_frontend(&fc->demux.dmx,&fc->mem_frontend);
+err_dmx_add_mem_frontend:
+	fc->demux.dmx.remove_frontend(&fc->demux.dmx,&fc->hw_frontend);
+err_dmx_add_hw_frontend:
+	dvb_dmxdev_release(&fc->dmxdev);
+err_dmx_dev:
+	dvb_dmx_release(&fc->demux);
+err_dmx:
+	dvb_unregister_adapter(&fc->dvb_adapter);
+	return ret;
+
+success:
+	return 0;
+}
+
+static void flexcop_dvb_exit(struct flexcop_device *fc)
+{
+	if (fc->init_state & FC_STATE_DVB_INIT) {
+		dvb_net_release(&fc->dvbnet);
+
+		fc->demux.dmx.close(&fc->demux.dmx);
+		fc->demux.dmx.remove_frontend(&fc->demux.dmx,&fc->mem_frontend);
+		fc->demux.dmx.remove_frontend(&fc->demux.dmx,&fc->hw_frontend);
+		dvb_dmxdev_release(&fc->dmxdev);
+		dvb_dmx_release(&fc->demux);
+		dvb_unregister_adapter(&fc->dvb_adapter);
+
+		deb_info("deinitialized dvb stuff\n");
+	}
+	fc->init_state &= ~FC_STATE_DVB_INIT;
+}
+
+/* these methods are necessary to achieve the long-term-goal of hiding the
+ * struct flexcop_device from the bus-parts */
+void flexcop_pass_dmx_data(struct flexcop_device *fc, u8 *buf, u32 len)
+{
+	dvb_dmx_swfilter(&fc->demux, buf, len);
+}
+EXPORT_SYMBOL(flexcop_pass_dmx_data);
+
+void flexcop_pass_dmx_packets(struct flexcop_device *fc, u8 *buf, u32 no)
+{
+	dvb_dmx_swfilter_packets(&fc->demux, buf, no);
+}
+EXPORT_SYMBOL(flexcop_pass_dmx_packets);
+
+static void flexcop_reset(struct flexcop_device *fc)
+{
+	flexcop_ibi_value v210,v204;
+
+/* reset the flexcop itself */
+	fc->write_ibi_reg(fc,ctrl_208,ibi_zero);
+
+	v210.raw = 0;
+	v210.sw_reset_210.reset_blocks = 0xff;
+	v210.sw_reset_210.Block_reset_enable = 0xb2;
+	fc->write_ibi_reg(fc,sw_reset_210,v210);
+
+/* reset the periphical devices */
+
+	v204 = fc->read_ibi_reg(fc,misc_204);
+	v204.misc_204.Per_reset_sig = 0;
+	fc->write_ibi_reg(fc,misc_204,v204);
+	v204.misc_204.Per_reset_sig = 1;
+	fc->write_ibi_reg(fc,misc_204,v204);
+}
+
+struct flexcop_device *flexcop_device_kmalloc(size_t bus_specific_len)
+{
+	void *bus;
+	struct flexcop_device *fc = kmalloc(sizeof(struct flexcop_device), GFP_KERNEL);
+	if (!fc) {
+		err("no memory");
+		return NULL;
+	}
+	memset(fc, 0, sizeof(struct flexcop_device));
+
+	bus = kmalloc(bus_specific_len, GFP_KERNEL);
+	if (!bus) {
+		err("no memory");
+		kfree(fc);
+		return NULL;
+	}
+	memset(bus, 0, bus_specific_len);
+
+	fc->bus_specific = bus;
+
+	return fc;
+}
+EXPORT_SYMBOL(flexcop_device_kmalloc);
+
+void flexcop_device_kfree(struct flexcop_device *fc)
+{
+	kfree(fc->bus_specific);
+	kfree(fc);
+}
+EXPORT_SYMBOL(flexcop_device_kfree);
+
+int flexcop_device_initialize(struct flexcop_device *fc)
+{
+	int ret;
+	ibi_zero.raw = 0;
+
+	flexcop_reset(fc);
+	flexcop_determine_revision(fc);
+	flexcop_sram_init(fc);
+	flexcop_hw_filter_init(fc);
+
+	flexcop_smc_ctrl(fc, 0);
+
+	if ((ret = flexcop_dvb_init(fc)))
+		goto error;
+
+	/* do the MAC address reading after initializing the dvb_adapter */
+	if (fc->get_mac_addr(fc, 0) == 0) {
+		u8 *b = fc->dvb_adapter.proposed_mac;
+		info("MAC address = %02x:%02x:%02x:%02x:%02x:%02x", b[0],b[1],b[2],b[3],b[4],b[5]);
+		flexcop_set_mac_filter(fc,b);
+		flexcop_mac_filter_ctrl(fc,1);
+	} else
+		warn("reading of MAC address failed.\n");
+
+
+	if ((ret = flexcop_i2c_init(fc)))
+		goto error;
+
+	if ((ret = flexcop_frontend_init(fc)))
+		goto error;
+
+	flexcop_device_name(fc,"initialization of","complete");
+
+	ret = 0;
+	goto success;
+error:
+	flexcop_device_exit(fc);
+success:
+	return ret;
+}
+EXPORT_SYMBOL(flexcop_device_initialize);
+
+void flexcop_device_exit(struct flexcop_device *fc)
+{
+	flexcop_frontend_exit(fc);
+	flexcop_i2c_exit(fc);
+	flexcop_dvb_exit(fc);
+}
+EXPORT_SYMBOL(flexcop_device_exit);
+
+static int flexcop_module_init(void)
+{
+	info(DRIVER_NAME " loaded successfully");
+	return 0;
+}
+
+static void flexcop_module_cleanup(void)
+{
+	info(DRIVER_NAME " unloaded successfully");
+}
+
+module_init(flexcop_module_init);
+module_exit(flexcop_module_cleanup);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_NAME);
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/dvb/b2c2/flexcop.h b/drivers/media/dvb/b2c2/flexcop.h
new file mode 100644
index 00000000000..caa343a97bd
--- /dev/null
+++ b/drivers/media/dvb/b2c2/flexcop.h
@@ -0,0 +1,30 @@
+/*
+ * This file is part of linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III
+ *
+ * flexcop.h - private header file for all flexcop-chip-source files.
+ *
+ * see flexcop.c for copyright information.
+ */
+#ifndef __FLEXCOP_H__
+#define __FLEXCOP_H___
+
+#define FC_LOG_PREFIX "b2c2-flexcop"
+#include "flexcop-common.h"
+
+extern int b2c2_flexcop_debug;
+
+/* debug */
+#ifdef CONFIG_DVB_B2C2_FLEXCOP_DEBUG
+#define dprintk(level,args...) \
+	do { if ((b2c2_flexcop_debug & level)) printk(args); } while (0)
+#else
+#define dprintk(level,args...)
+#endif
+
+#define deb_info(args...)  dprintk(0x01,args)
+#define deb_tuner(args...) dprintk(0x02,args)
+#define deb_i2c(args...)   dprintk(0x04,args)
+#define deb_ts(args...)    dprintk(0x08,args)
+#define deb_sram(args...)  dprintk(0x10,args)
+
+#endif
diff --git a/drivers/media/dvb/b2c2/skystar2.c b/drivers/media/dvb/b2c2/skystar2.c
index 336c178fcd5..acbc4c34f72 100644
--- a/drivers/media/dvb/b2c2/skystar2.c
+++ b/drivers/media/dvb/b2c2/skystar2.c
@@ -97,7 +97,7 @@ struct adapter {
 	u8 mac_addr[8];
 	u32 dw_sram_type;
 
-	struct dvb_adapter *dvb_adapter;
+	struct dvb_adapter dvb_adapter;
 	struct dvb_demux demux;
 	struct dmxdev dmxdev;
 	struct dmx_frontend hw_frontend;
@@ -2461,7 +2461,7 @@ static void frontend_init(struct adapter *skystar2)
 		       skystar2->pdev->subsystem_vendor,
 		       skystar2->pdev->subsystem_device);
 	} else {
-		if (dvb_register_frontend(skystar2->dvb_adapter, skystar2->fe)) {
+		if (dvb_register_frontend(&skystar2->dvb_adapter, skystar2->fe)) {
 			printk("skystar2: Frontend registration failed!\n");
 			if (skystar2->fe->ops->release)
 				skystar2->fe->ops->release(skystar2->fe);
@@ -2486,17 +2486,17 @@ static int skystar2_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (ret < 0)
 		goto out;
 
-	ret = dvb_register_adapter(&dvb_adapter, skystar2_pci_driver.name,
+	adapter = pci_get_drvdata(pdev);
+	dvb_adapter = &adapter->dvb_adapter;
+
+	ret = dvb_register_adapter(dvb_adapter, skystar2_pci_driver.name,
 				   THIS_MODULE);
 	if (ret < 0) {
 		printk("%s: Error registering DVB adapter\n", __FUNCTION__);
 		goto err_halt;
 	}
 
-	adapter = pci_get_drvdata(pdev);
-
 	dvb_adapter->priv = adapter;
-	adapter->dvb_adapter = dvb_adapter;
 
 
 	init_MUTEX(&adapter->i2c_sem);
@@ -2541,7 +2541,7 @@ static int skystar2_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	adapter->dmxdev.demux = dmx;
 	adapter->dmxdev.capabilities = 0;
 
-	ret = dvb_dmxdev_init(&adapter->dmxdev, adapter->dvb_adapter);
+	ret = dvb_dmxdev_init(&adapter->dmxdev, &adapter->dvb_adapter);
 	if (ret < 0)
 		goto err_dmx_release;
 
@@ -2559,7 +2559,7 @@ static int skystar2_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (ret < 0)
 		goto err_remove_mem_frontend;
 
-	dvb_net_init(adapter->dvb_adapter, &adapter->dvbnet, &dvbdemux->dmx);
+	dvb_net_init(&adapter->dvb_adapter, &adapter->dvbnet, &dvbdemux->dmx);
 
 	frontend_init(adapter);
 out:
@@ -2576,7 +2576,7 @@ err_dmx_release:
 err_i2c_del:
 	i2c_del_adapter(&adapter->i2c_adap);
 err_dvb_unregister:
-	dvb_unregister_adapter(adapter->dvb_adapter);
+	dvb_unregister_adapter(&adapter->dvb_adapter);
 err_halt:
 	driver_halt(pdev);
 	goto out;
@@ -2605,7 +2605,7 @@ static void skystar2_remove(struct pci_dev *pdev)
 	if (adapter->fe != NULL)
 		dvb_unregister_frontend(adapter->fe);
 
-	dvb_unregister_adapter(adapter->dvb_adapter);
+	dvb_unregister_adapter(&adapter->dvb_adapter);
 
 			i2c_del_adapter(&adapter->i2c_adap);
 
diff --git a/drivers/media/dvb/bt8xx/Kconfig b/drivers/media/dvb/bt8xx/Kconfig
index e7d11e0667a..b12545f093f 100644
--- a/drivers/media/dvb/bt8xx/Kconfig
+++ b/drivers/media/dvb/bt8xx/Kconfig
@@ -11,9 +11,8 @@ config DVB_BT8XX
 	  the Nebula cards, the Pinnacle PCTV cards, the Twinhan DST cards and
 	  pcHDTV HD2000 cards.
 
-          Since these cards have no MPEG decoder onboard, they transmit
+	  Since these cards have no MPEG decoder onboard, they transmit
 	  only compressed MPEG data over the PCI bus, so you need
 	  an external software decoder to watch TV on your computer.
 
 	  Say Y if you own such a device and want to use it.
-
diff --git a/drivers/media/dvb/bt8xx/Makefile b/drivers/media/dvb/bt8xx/Makefile
index 9da8604b9e1..d188e4c670b 100644
--- a/drivers/media/dvb/bt8xx/Makefile
+++ b/drivers/media/dvb/bt8xx/Makefile
@@ -1,5 +1,3 @@
-
-obj-$(CONFIG_DVB_BT8XX) += bt878.o dvb-bt8xx.o dst.o
+obj-$(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
-
diff --git a/drivers/media/dvb/bt8xx/bt878.c b/drivers/media/dvb/bt8xx/bt878.c
index 213ff790202..3c5a8e273c4 100644
--- a/drivers/media/dvb/bt8xx/bt878.c
+++ b/drivers/media/dvb/bt8xx/bt878.c
@@ -4,27 +4,27 @@
  * Copyright (C) 2002 Peter Hettkamp <peter.hettkamp@t-online.de>
  *
  * large parts based on the bttv driver
- * Copyright (C) 1996,97,98 Ralph  Metzler (rjkm@thp.uni-koeln.de)
- *                        & Marcus Metzler (mocm@thp.uni-koeln.de)
+ * Copyright (C) 1996,97,98 Ralph  Metzler (rjkm@metzlerbros.de)
+ *                        & Marcus Metzler (mocm@metzlerbros.de)
  * (c) 1999,2000 Gerd Knorr <kraxel@goldbach.in-berlin.de>
  *
  * 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
- * 
+ *
  */
 
 #include <linux/module.h>
@@ -58,7 +58,7 @@ module_param_named(verbose, bt878_verbose, int, 0444);
 MODULE_PARM_DESC(verbose,
 		 "verbose startup messages, default is 1 (yes)");
 module_param_named(debug, bt878_debug, int, 0644);
-MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
+MODULE_PARM_DESC(debug, "Turn on/off debugging, default is 0 (off).");
 
 int bt878_num;
 struct bt878 bt878[BT878_MAX];
@@ -128,21 +128,21 @@ static int bt878_mem_alloc(struct bt878 *bt)
 }
 
 /* RISC instructions */
-#define RISC_WRITE        	(0x01 << 28)
-#define RISC_JUMP         	(0x07 << 28)
-#define RISC_SYNC         	(0x08 << 28)
+#define RISC_WRITE		(0x01 << 28)
+#define RISC_JUMP		(0x07 << 28)
+#define RISC_SYNC		(0x08 << 28)
 
 /* RISC bits */
-#define RISC_WR_SOL       	(1 << 27)
-#define RISC_WR_EOL       	(1 << 26)
-#define RISC_IRQ          	(1 << 24)
+#define RISC_WR_SOL		(1 << 27)
+#define RISC_WR_EOL		(1 << 26)
+#define RISC_IRQ		(1 << 24)
 #define RISC_STATUS(status)	((((~status) & 0x0F) << 20) | ((status & 0x0F) << 16))
-#define RISC_SYNC_RESYNC  	(1 << 15)
-#define RISC_SYNC_FM1     	0x06
-#define RISC_SYNC_VRO     	0x0C
+#define RISC_SYNC_RESYNC	(1 << 15)
+#define RISC_SYNC_FM1		0x06
+#define RISC_SYNC_VRO		0x0C
 
 #define RISC_FLUSH()		bt->risc_pos = 0
-#define RISC_INSTR(instr) 	bt->risc_cpu[bt->risc_pos++] = cpu_to_le32(instr)
+#define RISC_INSTR(instr)	bt->risc_cpu[bt->risc_pos++] = cpu_to_le32(instr)
 
 static int bt878_make_risc(struct bt878 *bt)
 {
@@ -173,7 +173,7 @@ static void bt878_risc_program(struct bt878 *bt, u32 op_sync_orin)
 	RISC_INSTR(RISC_SYNC | RISC_SYNC_FM1 | op_sync_orin);
 	RISC_INSTR(0);
 
-	dprintk("bt878: risc len lines %u, bytes per line %u\n", 
+	dprintk("bt878: risc len lines %u, bytes per line %u\n",
 			bt->line_count, bt->line_bytes);
 	for (line = 0; line < bt->line_count; line++) {
 		// At the beginning of every block we issue an IRQ with previous (finished) block number set
@@ -228,14 +228,14 @@ void bt878_start(struct bt878 *bt, u32 controlreg, u32 op_sync_orin,
 	 * Hacked for DST to:
 	 * SCERR | OCERR | FDSR | FTRGT | FBUS | RISCI
 	 */
-	int_mask = BT878_ASCERR | BT878_AOCERR | BT878_APABORT | 
-		BT878_ARIPERR | BT878_APPERR | BT878_AFDSR | BT878_AFTRGT | 
+	int_mask = BT878_ASCERR | BT878_AOCERR | BT878_APABORT |
+		BT878_ARIPERR | BT878_APPERR | BT878_AFDSR | BT878_AFTRGT |
 		BT878_AFBUS | BT878_ARISCI;
 
 
 	/* ignore pesky bits */
 	int_mask &= ~irq_err_ignore;
-	
+
 	btwrite(int_mask, BT878_AINT_MASK);
 	btwrite(controlreg, BT878_AGPIO_DMA_CTL);
 }
@@ -461,9 +461,9 @@ static int __devinit bt878_probe(struct pci_dev *dev,
 	pci_set_drvdata(dev, bt);
 
 /*        if(init_bt878(btv) < 0) {
-                bt878_remove(dev);
-                return -EIO;
-        }
+		bt878_remove(dev);
+		return -EIO;
+	}
 */
 
 	if ((result = bt878_mem_alloc(bt))) {
@@ -536,10 +536,10 @@ static struct pci_device_id bt878_pci_tbl[] __devinitdata = {
 MODULE_DEVICE_TABLE(pci, bt878_pci_tbl);
 
 static struct pci_driver bt878_pci_driver = {
-      .name 	= "bt878",
+      .name	= "bt878",
       .id_table = bt878_pci_tbl,
-      .probe 	= bt878_probe,
-      .remove 	= bt878_remove,
+      .probe	= bt878_probe,
+      .remove	= bt878_remove,
 };
 
 static int bt878_pci_driver_registered = 0;
@@ -558,7 +558,7 @@ static int bt878_init_module(void)
 	       (BT878_VERSION_CODE >> 8) & 0xff,
 	       BT878_VERSION_CODE & 0xff);
 /*
-        bt878_check_chipset();
+	bt878_check_chipset();
 */
 	/* later we register inside of bt878_find_audio_dma()
 	 * because we may want to ignore certain cards */
diff --git a/drivers/media/dvb/bt8xx/bt878.h b/drivers/media/dvb/bt8xx/bt878.h
index e1b9809d1b0..837623f7fcd 100644
--- a/drivers/media/dvb/bt8xx/bt878.h
+++ b/drivers/media/dvb/bt8xx/bt878.h
@@ -1,4 +1,4 @@
-/* 
+/*
     bt878.h - Bt878 audio module (register offsets)
 
     Copyright (C) 2002 Peter Hettkamp <peter.hettkamp@t-online.de>
@@ -120,14 +120,14 @@ struct bt878 {
 	u32 risc_pos;
 
 	struct tasklet_struct tasklet;
-	int shutdown;	
+	int shutdown;
 };
 
 extern struct bt878 bt878[BT878_MAX];
 
 void bt878_start(struct bt878 *bt, u32 controlreg, u32 op_sync_orin,
 		u32 irq_err_ignore);
-void bt878_stop(struct bt878 *bt);	     
+void bt878_stop(struct bt878 *bt);
 
 #if defined(__powerpc__)	/* big-endian */
 extern __inline__ void io_st_le32(volatile unsigned __iomem *addr, unsigned val)
diff --git a/drivers/media/dvb/bt8xx/dst.c b/drivers/media/dvb/bt8xx/dst.c
index eac83768dfd..d047e349d70 100644
--- a/drivers/media/dvb/bt8xx/dst.c
+++ b/drivers/media/dvb/bt8xx/dst.c
@@ -1,25 +1,25 @@
 /*
-    Frontend-driver for TwinHan DST Frontend
 
-    Copyright (C) 2003 Jamie Honan
+	Frontend/Card driver for TwinHan DST Frontend
+	Copyright (C) 2003 Jamie Honan
+	Copyright (C) 2004, 2005 Manu Abraham (manu@kromtek.com)
 
-    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 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.
+	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/init.h>
@@ -31,59 +31,22 @@
 
 #include "dvb_frontend.h"
 #include "dst_priv.h"
-#include "dst.h"
-
-struct dst_state {
-
-	struct i2c_adapter* i2c;
-
-	struct bt878* bt;
-
-	struct dvb_frontend_ops ops;
-
-	/* configuration settings */
-	const struct dst_config* config;
-
-	struct dvb_frontend frontend;
-
-	/* private demodulator data */
-	u8 tx_tuna[10];
-	u8 rx_tuna[10];
-	u8 rxbuffer[10];
-	u8 diseq_flags;
-	u8 dst_type;
-	u32 type_flags;
-	u32 frequency;		/* intermediate frequency in kHz for QPSK */
-	fe_spectral_inversion_t inversion;
-	u32 symbol_rate;	/* symbol rate in Symbols per second */
-	fe_code_rate_t fec;
-	fe_sec_voltage_t voltage;
-	fe_sec_tone_mode_t tone;
-	u32 decode_freq;
-	u8 decode_lock;
-	u16 decode_strength;
-	u16 decode_snr;
-	unsigned long cur_jiff;
-	u8 k22;
-	fe_bandwidth_t bandwidth;
-};
+#include "dst_common.h"
 
-static unsigned int dst_verbose = 0;
-module_param(dst_verbose, int, 0644);
-MODULE_PARM_DESC(dst_verbose, "verbose startup messages, default is 1 (yes)");
-static unsigned int dst_debug = 0;
-module_param(dst_debug, int, 0644);
-MODULE_PARM_DESC(dst_debug, "debug messages, default is 0 (no)");
 
-#define dprintk	if (dst_debug) printk
+static unsigned int verbose = 1;
+module_param(verbose, int, 0644);
+MODULE_PARM_DESC(verbose, "verbose startup messages, default is 1 (yes)");
 
-#define DST_TYPE_IS_SAT		0
-#define DST_TYPE_IS_TERR	1
-#define DST_TYPE_IS_CABLE	2
+static unsigned int debug = 1;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "debug messages, default is 0 (yes)");
 
-#define DST_TYPE_HAS_NEWTUNE	1
-#define DST_TYPE_HAS_TS204	2
-#define DST_TYPE_HAS_SYMDIV	4
+static unsigned int dst_addons;
+module_param(dst_addons, int, 0644);
+MODULE_PARM_DESC(dst_addons, "CA daughterboard, default is 0 (No addons)");
+
+#define dprintk	if (debug) printk
 
 #define HAS_LOCK	1
 #define ATTEMPT_TUNE	2
@@ -97,7 +60,7 @@ static void dst_packsize(struct dst_state* state, int psize)
 	bt878_device_control(state->bt, DST_IG_TS, &bits);
 }
 
-static int dst_gpio_outb(struct dst_state* state, u32 mask, u32 enbb, u32 outhigh)
+int dst_gpio_outb(struct dst_state* state, u32 mask, u32 enbb, u32 outhigh, int delay)
 {
 	union dst_gpio_packet enb;
 	union dst_gpio_packet bits;
@@ -105,26 +68,33 @@ static int dst_gpio_outb(struct dst_state* state, u32 mask, u32 enbb, u32 outhig
 
 	enb.enb.mask = mask;
 	enb.enb.enable = enbb;
+	if (verbose > 4)
+		dprintk("%s: mask=[%04x], enbb=[%04x], outhigh=[%04x]\n", __FUNCTION__, mask, enbb, outhigh);
+
 	if ((err = bt878_device_control(state->bt, DST_IG_ENABLE, &enb)) < 0) {
-		dprintk("%s: dst_gpio_enb error (err == %i, mask == 0x%02x, enb == 0x%02x)\n", __FUNCTION__, err, mask, enbb);
+		dprintk("%s: dst_gpio_enb error (err == %i, mask == %02x, enb == %02x)\n", __FUNCTION__, err, mask, enbb);
 		return -EREMOTEIO;
 	}
-
+	udelay(1000);
 	/* because complete disabling means no output, no need to do output packet */
 	if (enbb == 0)
 		return 0;
 
+	if (delay)
+		msleep(10);
+
 	bits.outp.mask = enbb;
 	bits.outp.highvals = outhigh;
 
 	if ((err = bt878_device_control(state->bt, DST_IG_WRITE, &bits)) < 0) {
-		dprintk("%s: dst_gpio_outb error (err == %i, enbb == 0x%02x, outhigh == 0x%02x)\n", __FUNCTION__, err, enbb, outhigh);
+		dprintk("%s: dst_gpio_outb error (err == %i, enbb == %02x, outhigh == %02x)\n", __FUNCTION__, err, enbb, outhigh);
 		return -EREMOTEIO;
 	}
 	return 0;
 }
+EXPORT_SYMBOL(dst_gpio_outb);
 
-static int dst_gpio_inb(struct dst_state *state, u8 * result)
+int dst_gpio_inb(struct dst_state *state, u8 * result)
 {
 	union dst_gpio_packet rd_packet;
 	int err;
@@ -139,143 +109,225 @@ static int dst_gpio_inb(struct dst_state *state, u8 * result)
 	*result = (u8) rd_packet.rd.value;
 	return 0;
 }
+EXPORT_SYMBOL(dst_gpio_inb);
 
-#define DST_I2C_ENABLE	1
-#define DST_8820	2
-
-static int dst_reset8820(struct dst_state *state)
+int rdc_reset_state(struct dst_state *state)
 {
-	int retval;
-	/* pull 8820 gpio pin low, wait, high, wait, then low */
-	// dprintk ("%s: reset 8820\n", __FUNCTION__);
-	retval = dst_gpio_outb(state, DST_8820, DST_8820, 0);
-	if (retval < 0)
-		return retval;
+	if (verbose > 1)
+		dprintk("%s: Resetting state machine\n", __FUNCTION__);
+
+	if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, 0, NO_DELAY) < 0) {
+		dprintk("%s: dst_gpio_outb ERROR !\n", __FUNCTION__);
+		return -1;
+	}
+
 	msleep(10);
-	retval = dst_gpio_outb(state, DST_8820, DST_8820, DST_8820);
-	if (retval < 0)
-		return retval;
-	/* wait for more feedback on what works here *
-	   msleep(10);
-	   retval = dst_gpio_outb(dst, DST_8820, DST_8820, 0);
-	   if (retval < 0)
-	   return retval;
-	 */
+
+	if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, RDC_8820_INT, NO_DELAY) < 0) {
+		dprintk("%s: dst_gpio_outb ERROR !\n", __FUNCTION__);
+		msleep(10);
+		return -1;
+	}
+
 	return 0;
 }
+EXPORT_SYMBOL(rdc_reset_state);
 
-static int dst_i2c_enable(struct dst_state *state)
+int rdc_8820_reset(struct dst_state *state)
 {
-	int retval;
-	/* pull I2C enable gpio pin low, wait */
-	// dprintk ("%s: i2c enable\n", __FUNCTION__);
-	retval = dst_gpio_outb(state, ~0, DST_I2C_ENABLE, 0);
-	if (retval < 0)
-		return retval;
-	// dprintk ("%s: i2c enable delay\n", __FUNCTION__);
-	msleep(33);
+	if (verbose > 1)
+		dprintk("%s: Resetting DST\n", __FUNCTION__);
+
+	if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, 0, NO_DELAY) < 0) {
+		dprintk("%s: dst_gpio_outb ERROR !\n", __FUNCTION__);
+		return -1;
+	}
+	udelay(1000);
+	if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, RDC_8820_RESET, DELAY) < 0) {
+		dprintk("%s: dst_gpio_outb ERROR !\n", __FUNCTION__);
+		return -1;
+	}
+
 	return 0;
 }
+EXPORT_SYMBOL(rdc_8820_reset);
 
-static int dst_i2c_disable(struct dst_state *state)
+int dst_pio_enable(struct dst_state *state)
 {
-	int retval;
-	/* release I2C enable gpio pin, wait */
-	// dprintk ("%s: i2c disable\n", __FUNCTION__);
-	retval = dst_gpio_outb(state, ~0, 0, 0);
-	if (retval < 0)
-		return retval;
-	// dprintk ("%s: i2c disable delay\n", __FUNCTION__);
-	msleep(33);
+	if (dst_gpio_outb(state, ~0, RDC_8820_PIO_0_ENABLE, 0, NO_DELAY) < 0) {
+		dprintk("%s: dst_gpio_outb ERROR !\n", __FUNCTION__);
+		return -1;
+	}
+	udelay(1000);
+	return 0;
+}
+EXPORT_SYMBOL(dst_pio_enable);
+
+int dst_pio_disable(struct dst_state *state)
+{
+	if (dst_gpio_outb(state, ~0, RDC_8820_PIO_0_DISABLE, RDC_8820_PIO_0_DISABLE, NO_DELAY) < 0) {
+		dprintk("%s: dst_gpio_outb ERROR !\n", __FUNCTION__);
+		return -1;
+	}
+	if (state->type_flags & DST_TYPE_HAS_FW_1)
+		udelay(1000);
+
 	return 0;
 }
+EXPORT_SYMBOL(dst_pio_disable);
 
-static int dst_wait_dst_ready(struct dst_state *state)
+int dst_wait_dst_ready(struct dst_state *state, u8 delay_mode)
 {
 	u8 reply;
-	int retval;
 	int i;
+
 	for (i = 0; i < 200; i++) {
-		retval = dst_gpio_inb(state, &reply);
-		if (retval < 0)
-			return retval;
-		if ((reply & DST_I2C_ENABLE) == 0) {
-			dprintk("%s: dst wait ready after %d\n", __FUNCTION__, i);
+		if (dst_gpio_inb(state, &reply) < 0) {
+			dprintk("%s: dst_gpio_inb ERROR !\n", __FUNCTION__);
+			return -1;
+		}
+
+		if ((reply & RDC_8820_PIO_0_ENABLE) == 0) {
+			if (verbose > 4)
+				dprintk("%s: dst wait ready after %d\n", __FUNCTION__, i);
 			return 1;
 		}
 		msleep(10);
 	}
-	dprintk("%s: dst wait NOT ready after %d\n", __FUNCTION__, i);
+	if (verbose > 1)
+		dprintk("%s: dst wait NOT ready after %d\n", __FUNCTION__, i);
+
+	return 0;
+}
+EXPORT_SYMBOL(dst_wait_dst_ready);
+
+int dst_error_recovery(struct dst_state *state)
+{
+	dprintk("%s: Trying to return from previous errors...\n", __FUNCTION__);
+	dst_pio_disable(state);
+	msleep(10);
+	dst_pio_enable(state);
+	msleep(10);
+
+	return 0;
+}
+EXPORT_SYMBOL(dst_error_recovery);
+
+int dst_error_bailout(struct dst_state *state)
+{
+	dprintk("%s: Trying to bailout from previous error...\n", __FUNCTION__);
+	rdc_8820_reset(state);
+	dst_pio_disable(state);
+	msleep(10);
+
+	return 0;
+}
+EXPORT_SYMBOL(dst_error_bailout);
+
+
+int dst_comm_init(struct dst_state* state)
+{
+	if (verbose > 1)
+		dprintk ("%s: Initializing DST..\n", __FUNCTION__);
+	if ((dst_pio_enable(state)) < 0) {
+		dprintk("%s: PIO Enable Failed.\n", __FUNCTION__);
+		return -1;
+	}
+	if ((rdc_reset_state(state)) < 0) {
+		dprintk("%s: RDC 8820 State RESET Failed.\n", __FUNCTION__);
+		return -1;
+	}
+	if (state->type_flags & DST_TYPE_HAS_FW_1)
+		msleep(100);
+	else
+		msleep(5);
+
 	return 0;
 }
+EXPORT_SYMBOL(dst_comm_init);
 
-static int write_dst(struct dst_state *state, u8 * data, u8 len)
+
+int write_dst(struct dst_state *state, u8 *data, u8 len)
 {
 	struct i2c_msg msg = {
 		.addr = state->config->demod_address,.flags = 0,.buf = data,.len = len
 	};
+
 	int err;
 	int cnt;
-
-	if (dst_debug && dst_verbose) {
+	if (debug && (verbose > 4)) {
 		u8 i;
-		dprintk("%s writing", __FUNCTION__);
-		for (i = 0; i < len; i++) {
-			dprintk(" 0x%02x", data[i]);
+		if (verbose > 4) {
+			dprintk("%s writing", __FUNCTION__);
+			for (i = 0; i < len; i++)
+				dprintk(" %02x", data[i]);
+			dprintk("\n");
 		}
-		dprintk("\n");
 	}
-	msleep(30);
-	for (cnt = 0; cnt < 4; cnt++) {
+	for (cnt = 0; cnt < 2; cnt++) {
 		if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
-			dprintk("%s: write_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)\n", __FUNCTION__, err, len, data[0]);
-			dst_i2c_disable(state);
-			msleep(500);
-			dst_i2c_enable(state);
-			msleep(500);
+			dprintk("%s: _write_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)\n", __FUNCTION__, err, len, data[0]);
+			dst_error_recovery(state);
 			continue;
 		} else
 			break;
 	}
-	if (cnt >= 4)
-		return -EREMOTEIO;
+
+	if (cnt >= 2) {
+		if (verbose > 1)
+			printk("%s: RDC 8820 RESET...\n", __FUNCTION__);
+		dst_error_bailout(state);
+
+		return -1;
+	}
+
 	return 0;
 }
+EXPORT_SYMBOL(write_dst);
 
-static int read_dst(struct dst_state *state, u8 * ret, u8 len)
+int read_dst(struct dst_state *state, u8 * ret, u8 len)
 {
 	struct i2c_msg msg = {.addr = state->config->demod_address,.flags = I2C_M_RD,.buf = ret,.len = len };
 	int err;
 	int cnt;
 
-	for (cnt = 0; cnt < 4; cnt++) {
+	for (cnt = 0; cnt < 2; cnt++) {
 		if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
+
 			dprintk("%s: read_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)\n", __FUNCTION__, err, len, ret[0]);
-			dst_i2c_disable(state);
-			dst_i2c_enable(state);
+			dst_error_recovery(state);
+
 			continue;
 		} else
 			break;
 	}
-	if (cnt >= 4)
-		return -EREMOTEIO;
-	dprintk("%s reply is 0x%x\n", __FUNCTION__, ret[0]);
-	if (dst_debug && dst_verbose) {
+	if (cnt >= 2) {
+		if (verbose > 1)
+			printk("%s: RDC 8820 RESET...\n", __FUNCTION__);
+		dst_error_bailout(state);
+
+		return -1;
+	}
+	if (debug && (verbose > 4)) {
+		dprintk("%s reply is 0x%x\n", __FUNCTION__, ret[0]);
 		for (err = 1; err < len; err++)
 			dprintk(" 0x%x", ret[err]);
 		if (err > 1)
 			dprintk("\n");
 	}
+
 	return 0;
 }
+EXPORT_SYMBOL(read_dst);
 
 static int dst_set_freq(struct dst_state *state, u32 freq)
 {
 	u8 *val;
 
 	state->frequency = freq;
+	if (debug > 4)
+		dprintk("%s: set Frequency %u\n", __FUNCTION__, freq);
 
-	// dprintk("%s: set frequency %u\n", __FUNCTION__, freq);
 	if (state->dst_type == DST_TYPE_IS_SAT) {
 		freq = freq / 1000;
 		if (freq < 950 || freq > 2150)
@@ -398,7 +450,8 @@ static int dst_set_symbolrate(struct dst_state* state, u32 srate)
 	if (state->dst_type == DST_TYPE_IS_TERR) {
 		return 0;
 	}
-	// dprintk("%s: set srate %u\n", __FUNCTION__, srate);
+	if (debug > 4)
+		dprintk("%s: set symrate %u\n", __FUNCTION__, srate);
 	srate /= 1000;
 	val = &state->tx_tuna[0];
 
@@ -407,7 +460,10 @@ static int dst_set_symbolrate(struct dst_state* state, u32 srate)
 		sval <<= 20;
 		do_div(sval, 88000);
 		symcalc = (u32) sval;
-		// dprintk("%s: set symcalc %u\n", __FUNCTION__, symcalc);
+
+		if (debug > 4)
+			dprintk("%s: set symcalc %u\n", __FUNCTION__, symcalc);
+
 		val[5] = (u8) (symcalc >> 12);
 		val[6] = (u8) (symcalc >> 4);
 		val[7] = (u8) (symcalc << 4);
@@ -422,7 +478,7 @@ static int dst_set_symbolrate(struct dst_state* state, u32 srate)
 	return 0;
 }
 
-static u8 dst_check_sum(u8 * buf, u32 len)
+u8 dst_check_sum(u8 * buf, u32 len)
 {
 	u32 i;
 	u8 val = 0;
@@ -433,28 +489,7 @@ static u8 dst_check_sum(u8 * buf, u32 len)
 	}
 	return ((~val) + 1);
 }
-
-struct dst_types {
-	char *mstr;
-	int offs;
-	u8 dst_type;
-	u32 type_flags;
-};
-
-static struct dst_types dst_tlist[] = {
-	{"DST-020", 0, DST_TYPE_IS_SAT, DST_TYPE_HAS_SYMDIV},
-	{"DST-030", 0, DST_TYPE_IS_SAT, DST_TYPE_HAS_TS204 | DST_TYPE_HAS_NEWTUNE},
-	{"DST-03T", 0, DST_TYPE_IS_SAT, DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_TS204},
-	{"DST-MOT", 0, DST_TYPE_IS_SAT, DST_TYPE_HAS_SYMDIV},
-	{"DST-CI",  1, DST_TYPE_IS_SAT, DST_TYPE_HAS_TS204 | DST_TYPE_HAS_NEWTUNE},
-	{"DSTMCI",  1, DST_TYPE_IS_SAT, DST_TYPE_HAS_NEWTUNE},
-	{"DSTFCI",  1, DST_TYPE_IS_SAT, DST_TYPE_HAS_NEWTUNE},
-	{"DCTNEW",  1, DST_TYPE_IS_CABLE, DST_TYPE_HAS_NEWTUNE},
-	{"DCT-CI",  1, DST_TYPE_IS_CABLE, DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_TS204},
-	{"DTTDIG",  1, DST_TYPE_IS_TERR, 0}
-};
-
-/* DCTNEW and DCT-CI are guesses */
+EXPORT_SYMBOL(dst_check_sum);
 
 static void dst_type_flags_print(u32 type_flags)
 {
@@ -465,93 +500,270 @@ static void dst_type_flags_print(u32 type_flags)
 		printk(" 0x%x ts204", DST_TYPE_HAS_TS204);
 	if (type_flags & DST_TYPE_HAS_SYMDIV)
 		printk(" 0x%x symdiv", DST_TYPE_HAS_SYMDIV);
+	if (type_flags & DST_TYPE_HAS_FW_1)
+		printk(" 0x%x firmware version = 1", DST_TYPE_HAS_FW_1);
+	if (type_flags & DST_TYPE_HAS_FW_2)
+		printk(" 0x%x firmware version = 2", DST_TYPE_HAS_FW_2);
+	if (type_flags & DST_TYPE_HAS_FW_3)
+		printk(" 0x%x firmware version = 3", DST_TYPE_HAS_FW_3);
+//	if ((type_flags & DST_TYPE_HAS_FW_BUILD) && new_fw)
+
 	printk("\n");
 }
 
-static int dst_type_print(u8 type)
+
+static int dst_type_print (u8 type)
 {
 	char *otype;
 	switch (type) {
 	case DST_TYPE_IS_SAT:
 		otype = "satellite";
 		break;
+
 	case DST_TYPE_IS_TERR:
 		otype = "terrestrial";
 		break;
+
 	case DST_TYPE_IS_CABLE:
 		otype = "cable";
 		break;
+
 	default:
 		printk("%s: invalid dst type %d\n", __FUNCTION__, type);
 		return -EINVAL;
 	}
 	printk("DST type : %s\n", otype);
+
 	return 0;
 }
 
-static int dst_check_ci(struct dst_state *state)
+/*
+	Known cards list
+	Satellite
+	-------------------
+		  200103A
+	VP-1020   DST-MOT	LG(old), TS=188
+
+	VP-1020   DST-03T	LG(new), TS=204
+	VP-1022   DST-03T	LG(new), TS=204
+	VP-1025   DST-03T	LG(new), TS=204
+
+	VP-1030   DSTMCI,	LG(new), TS=188
+	VP-1032   DSTMCI,	LG(new), TS=188
+
+	Cable
+	-------------------
+	VP-2030   DCT-CI,	Samsung, TS=204
+	VP-2021   DCT-CI,	Unknown, TS=204
+	VP-2031   DCT-CI,	Philips, TS=188
+	VP-2040   DCT-CI,	Philips, TS=188, with CA daughter board
+	VP-2040   DCT-CI,	Philips, TS=204, without CA daughter board
+
+	Terrestrial
+	-------------------
+	VP-3050  DTTNXT			 TS=188
+	VP-3040  DTT-CI,	Philips, TS=188
+	VP-3040  DTT-CI,	Philips, TS=204
+
+	ATSC
+	-------------------
+	VP-3220  ATSCDI,		 TS=188
+	VP-3250  ATSCAD,		 TS=188
+
+*/
+
+struct dst_types dst_tlist[] = {
+	{
+		.device_id = "200103A",
+		.offset = 0,
+		.dst_type =  DST_TYPE_IS_SAT,
+		.type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
+		.dst_feature = 0
+	},	/*	obsolete	*/
+
+	{
+		.device_id = "DST-020",
+		.offset = 0,
+		.dst_type =  DST_TYPE_IS_SAT,
+		.type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
+		.dst_feature = 0
+	},	/*	obsolete	*/
+
+	{
+		.device_id = "DST-030",
+		.offset =  0,
+		.dst_type = DST_TYPE_IS_SAT,
+		.type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1,
+		.dst_feature = 0
+	},	/*	obsolete	*/
+
+	{
+		.device_id = "DST-03T",
+		.offset = 0,
+		.dst_type = DST_TYPE_IS_SAT,
+		.type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_2,
+		.dst_feature = DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4 | DST_TYPE_HAS_DISEQC5
+							 | DST_TYPE_HAS_MAC | DST_TYPE_HAS_MOTO
+	 },
+
+	{
+		.device_id = "DST-MOT",
+		.offset =  0,
+		.dst_type = DST_TYPE_IS_SAT,
+		.type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
+		.dst_feature = 0
+	},	/*	obsolete	*/
+
+	{
+		.device_id = "DST-CI",
+		.offset = 1,
+		.dst_type = DST_TYPE_IS_SAT,
+		.type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1,
+		.dst_feature = DST_TYPE_HAS_CA
+	},	/*	An OEM board	*/
+
+	{
+		.device_id = "DSTMCI",
+		.offset = 1,
+		.dst_type = DST_TYPE_IS_SAT,
+		.type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD,
+		.dst_feature = DST_TYPE_HAS_CA | DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4
+							| DST_TYPE_HAS_MOTO | DST_TYPE_HAS_MAC
+	},
+
+	{
+		.device_id = "DSTFCI",
+		.offset = 1,
+		.dst_type = DST_TYPE_IS_SAT,
+		.type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1,
+		.dst_feature = 0
+	},	/* unknown to vendor	*/
+
+	{
+		.device_id = "DCT-CI",
+		.offset = 1,
+		.dst_type = DST_TYPE_IS_CABLE,
+		.type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1
+							| DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD,
+		.dst_feature = DST_TYPE_HAS_CA
+	},
+
+	{
+		.device_id = "DCTNEW",
+		.offset = 1,
+		.dst_type = DST_TYPE_IS_CABLE,
+		.type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_3,
+		.dst_feature = 0
+	},
+
+	{
+		.device_id = "DTT-CI",
+		.offset = 1,
+		.dst_type = DST_TYPE_IS_TERR,
+		.type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD,
+		.dst_feature = 0
+	},
+
+	{
+		.device_id = "DTTDIG",
+		.offset = 1,
+		.dst_type = DST_TYPE_IS_TERR,
+		.type_flags = DST_TYPE_HAS_FW_2,
+		.dst_feature = 0
+	},
+
+	{
+		.device_id = "DTTNXT",
+		.offset = 1,
+		.dst_type = DST_TYPE_IS_TERR,
+		.type_flags = DST_TYPE_HAS_FW_2,
+		.dst_feature = DST_TYPE_HAS_ANALOG
+	},
+
+	{
+		.device_id = "ATSCDI",
+		.offset = 1,
+		.dst_type = DST_TYPE_IS_ATSC,
+		.type_flags = DST_TYPE_HAS_FW_2,
+		.dst_feature = 0
+	},
+
+	{
+		.device_id = "ATSCAD",
+		.offset = 1,
+		.dst_type = DST_TYPE_IS_ATSC,
+		.type_flags = DST_TYPE_HAS_FW_2,
+		.dst_feature = 0
+	},
+
+	{ }
+
+};
+
+
+static int dst_get_device_id(struct dst_state *state)
 {
-	u8 txbuf[8];
-	u8 rxbuf[8];
-	int retval;
+	u8 reply;
+
 	int i;
-	struct dst_types *dsp;
-	u8 use_dst_type;
-	u32 use_type_flags;
+	struct dst_types *p_dst_type;
+	u8 use_dst_type = 0;
+	u32 use_type_flags = 0;
 
-	memset(txbuf, 0, sizeof(txbuf));
-	txbuf[1] = 6;
-	txbuf[7] = dst_check_sum(txbuf, 7);
+	static u8 device_type[8] = {0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff};
 
-	dst_i2c_enable(state);
-	dst_reset8820(state);
-	retval = write_dst(state, txbuf, 8);
-	if (retval < 0) {
-		dst_i2c_disable(state);
-		dprintk("%s: write not successful, maybe no card?\n", __FUNCTION__);
-		return retval;
-	}
-	msleep(3);
-	retval = read_dst(state, rxbuf, 1);
-	dst_i2c_disable(state);
-	if (retval < 0) {
-		dprintk("%s: read not successful, maybe no card?\n", __FUNCTION__);
-		return retval;
-	}
-	if (rxbuf[0] != 0xff) {
-		dprintk("%s: write reply not 0xff, not ci (%02x)\n", __FUNCTION__, rxbuf[0]);
-		return retval;
-	}
-	if (!dst_wait_dst_ready(state))
-		return 0;
-	// dst_i2c_enable(i2c); Dimitri
-	retval = read_dst(state, rxbuf, 8);
-	dst_i2c_disable(state);
-	if (retval < 0) {
-		dprintk("%s: read not successful\n", __FUNCTION__);
-		return retval;
+	device_type[7] = dst_check_sum(device_type, 7);
+
+	if (write_dst(state, device_type, FIXED_COMM))
+		return -1;		/*	Write failed		*/
+
+	if ((dst_pio_disable(state)) < 0)
+		return -1;
+
+	if (read_dst(state, &reply, GET_ACK))
+		return -1;		/*	Read failure		*/
+
+	if (reply != ACK) {
+		dprintk("%s: Write not Acknowledged! [Reply=0x%02x]\n", __FUNCTION__, reply);
+		return -1;		/*	Unack'd write		*/
 	}
-	if (rxbuf[7] != dst_check_sum(rxbuf, 7)) {
-		dprintk("%s: checksum failure\n", __FUNCTION__);
-		return retval;
+
+	if (!dst_wait_dst_ready(state, DEVICE_INIT))
+		return -1;		/*	DST not ready yet	*/
+
+	if (read_dst(state, state->rxbuffer, FIXED_COMM))
+		return -1;
+
+	dst_pio_disable(state);
+
+	if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
+		dprintk("%s: Checksum failure! \n", __FUNCTION__);
+		return -1;		/*	Checksum failure	*/
 	}
-	rxbuf[7] = '\0';
-	for (i = 0, dsp = &dst_tlist[0]; i < sizeof(dst_tlist) / sizeof(dst_tlist[0]); i++, dsp++) {
-		if (!strncmp(&rxbuf[dsp->offs], dsp->mstr, strlen(dsp->mstr))) {
-			use_type_flags = dsp->type_flags;
-			use_dst_type = dsp->dst_type;
-			printk("%s: recognize %s\n", __FUNCTION__, dsp->mstr);
+
+	state->rxbuffer[7] = '\0';
+
+	for (i = 0, p_dst_type = dst_tlist; i < ARRAY_SIZE (dst_tlist); i++, p_dst_type++) {
+		if (!strncmp (&state->rxbuffer[p_dst_type->offset], p_dst_type->device_id, strlen (p_dst_type->device_id))) {
+			use_type_flags = p_dst_type->type_flags;
+			use_dst_type = p_dst_type->dst_type;
+
+			/*	Card capabilities	*/
+			state->dst_hw_cap = p_dst_type->dst_feature;
+			printk ("%s: Recognise [%s]\n", __FUNCTION__, p_dst_type->device_id);
+
 			break;
 		}
 	}
-	if (i >= sizeof(dst_tlist) / sizeof(dst_tlist[0])) {
-		printk("%s: unable to recognize %s or %s\n", __FUNCTION__, &rxbuf[0], &rxbuf[1]);
-		printk("%s please email linux-dvb@linuxtv.org with this type in\n", __FUNCTION__);
+
+	if (i >= sizeof (dst_tlist) / sizeof (dst_tlist [0])) {
+		printk("%s: Unable to recognize %s or %s\n", __FUNCTION__, &state->rxbuffer[0], &state->rxbuffer[1]);
+		printk("%s: please email linux-dvb@linuxtv.org with this type in\n", __FUNCTION__);
 		use_dst_type = DST_TYPE_IS_SAT;
 		use_type_flags = DST_TYPE_HAS_SYMDIV;
 	}
-	dst_type_print(use_dst_type);
 
+	dst_type_print(use_dst_type);
 	state->type_flags = use_type_flags;
 	state->dst_type = use_dst_type;
 	dst_type_flags_print(state->type_flags);
@@ -559,50 +771,102 @@ static int dst_check_ci(struct dst_state *state)
 	if (state->type_flags & DST_TYPE_HAS_TS204) {
 		dst_packsize(state, 204);
 	}
+
 	return 0;
 }
 
-static int dst_command(struct dst_state* state, u8 * data, u8 len)
+static int dst_probe(struct dst_state *state)
+{
+	if ((rdc_8820_reset(state)) < 0) {
+		dprintk("%s: RDC 8820 RESET Failed.\n", __FUNCTION__);
+		return -1;
+	}
+	if (dst_addons & DST_TYPE_HAS_CA)
+		msleep(4000);
+	else
+		msleep(100);
+
+	if ((dst_comm_init(state)) < 0) {
+		dprintk("%s: DST Initialization Failed.\n", __FUNCTION__);
+		return -1;
+	}
+	msleep(100);
+	if (dst_get_device_id(state) < 0) {
+		dprintk("%s: unknown device.\n", __FUNCTION__);
+		return -1;
+	}
+
+	return 0;
+}
+
+int dst_command(struct dst_state* state, u8 * data, u8 len)
 {
-	int retval;
 	u8 reply;
+	if ((dst_comm_init(state)) < 0) {
+		dprintk("%s: DST Communication Initialization Failed.\n", __FUNCTION__);
+		return -1;
+	}
 
-	dst_i2c_enable(state);
-	dst_reset8820(state);
-	retval = write_dst(state, data, len);
-	if (retval < 0) {
-		dst_i2c_disable(state);
-		dprintk("%s: write not successful\n", __FUNCTION__);
-		return retval;
+	if (write_dst(state, data, len)) {
+		if (verbose > 1)
+			dprintk("%s: Tring to recover.. \n", __FUNCTION__);
+		if ((dst_error_recovery(state)) < 0) {
+			dprintk("%s: Recovery Failed.\n", __FUNCTION__);
+			return -1;
+		}
+		return -1;
 	}
-	msleep(33);
-	retval = read_dst(state, &reply, 1);
-	dst_i2c_disable(state);
-	if (retval < 0) {
-		dprintk("%s: read verify  not successful\n", __FUNCTION__);
-		return retval;
+	if ((dst_pio_disable(state)) < 0) {
+		dprintk("%s: PIO Disable Failed.\n", __FUNCTION__);
+		return -1;
 	}
-	if (reply != 0xff) {
-		dprintk("%s: write reply not 0xff 0x%02x \n", __FUNCTION__, reply);
-		return 0;
+	if (state->type_flags & DST_TYPE_HAS_FW_1)
+		udelay(3000);
+
+	if (read_dst(state, &reply, GET_ACK)) {
+		if (verbose > 1)
+			dprintk("%s: Trying to recover.. \n", __FUNCTION__);
+		if ((dst_error_recovery(state)) < 0) {
+			dprintk("%s: Recovery Failed.\n", __FUNCTION__);
+			return -1;
+		}
+		return -1;
+	}
+
+	if (reply != ACK) {
+		dprintk("%s: write not acknowledged 0x%02x \n", __FUNCTION__, reply);
+		return -1;
 	}
 	if (len >= 2 && data[0] == 0 && (data[1] == 1 || data[1] == 3))
 		return 0;
-	if (!dst_wait_dst_ready(state))
-		return 0;
-	// dst_i2c_enable(i2c); Per dimitri
-	retval = read_dst(state, state->rxbuffer, 8);
-	dst_i2c_disable(state);
-	if (retval < 0) {
-		dprintk("%s: read not successful\n", __FUNCTION__);
-		return 0;
+
+//	udelay(3000);
+	if (state->type_flags & DST_TYPE_HAS_FW_1)
+		udelay(3000);
+	else
+		udelay(2000);
+
+	if (!dst_wait_dst_ready(state, NO_DELAY))
+		return -1;
+
+	if (read_dst(state, state->rxbuffer, FIXED_COMM)) {
+		if (verbose > 1)
+			dprintk("%s: Trying to recover.. \n", __FUNCTION__);
+		if ((dst_error_recovery(state)) < 0) {
+			dprintk("%s: Recovery failed.\n", __FUNCTION__);
+			return -1;
+		}
+		return -1;
 	}
+
 	if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
 		dprintk("%s: checksum failure\n", __FUNCTION__);
-		return 0;
+		return -1;
 	}
+
 	return 0;
 }
+EXPORT_SYMBOL(dst_command);
 
 static int dst_get_signal(struct dst_state* state)
 {
@@ -646,11 +910,17 @@ static int dst_tone_power_cmd(struct dst_state* state)
 		paket[4] = 0;
 	else
 		paket[4] = 1;
+
 	if (state->tone == SEC_TONE_ON)
-		paket[2] = state->k22;
+		paket[2] = 0x02;
 	else
 		paket[2] = 0;
-	paket[7] = dst_check_sum(&paket[0], 7);
+	if (state->minicmd == SEC_MINI_A)
+		paket[3] = 0x02;
+	else
+		paket[3] = 0;
+
+	paket[7] = dst_check_sum (paket, 7);
 	dst_command(state, paket, 8);
 	return 0;
 }
@@ -658,21 +928,26 @@ static int dst_tone_power_cmd(struct dst_state* state)
 static int dst_get_tuna(struct dst_state* state)
 {
 	int retval;
+
 	if ((state->diseq_flags & ATTEMPT_TUNE) == 0)
 		return 0;
+
 	state->diseq_flags &= ~(HAS_LOCK);
-	if (!dst_wait_dst_ready(state))
+	if (!dst_wait_dst_ready(state, NO_DELAY))
 		return 0;
+
 	if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
 		/* how to get variable length reply ???? */
 		retval = read_dst(state, state->rx_tuna, 10);
 	} else {
-		retval = read_dst(state, &state->rx_tuna[2], 8);
+		retval = read_dst(state, &state->rx_tuna[2], FIXED_COMM);
 	}
+
 	if (retval < 0) {
 		dprintk("%s: read not successful\n", __FUNCTION__);
 		return 0;
 	}
+
 	if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
 		if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[0], 9)) {
 			dprintk("%s: checksum failure?\n", __FUNCTION__);
@@ -709,7 +984,9 @@ static int dst_write_tuna(struct dvb_frontend* fe)
 	int retval;
 	u8 reply;
 
-	dprintk("%s: type_flags 0x%x \n", __FUNCTION__, state->type_flags);
+	if (debug > 4)
+		dprintk("%s: type_flags 0x%x \n", __FUNCTION__, state->type_flags);
+
 	state->decode_freq = 0;
 	state->decode_lock = state->decode_strength = state->decode_snr = 0;
 	if (state->dst_type == DST_TYPE_IS_SAT) {
@@ -717,32 +994,41 @@ static int dst_write_tuna(struct dvb_frontend* fe)
 			dst_set_voltage(fe, SEC_VOLTAGE_13);
 	}
 	state->diseq_flags &= ~(HAS_LOCK | ATTEMPT_TUNE);
-	dst_i2c_enable(state);
+
+	if ((dst_comm_init(state)) < 0) {
+		dprintk("%s: DST Communication initialization failed.\n", __FUNCTION__);
+		return -1;
+	}
+
 	if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
-		dst_reset8820(state);
 		state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[0], 9);
 		retval = write_dst(state, &state->tx_tuna[0], 10);
+
 	} else {
 		state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[2], 7);
-		retval = write_dst(state, &state->tx_tuna[2], 8);
+		retval = write_dst(state, &state->tx_tuna[2], FIXED_COMM);
 	}
 	if (retval < 0) {
-		dst_i2c_disable(state);
+		dst_pio_disable(state);
 		dprintk("%s: write not successful\n", __FUNCTION__);
 		return retval;
 	}
-	msleep(3);
-	retval = read_dst(state, &reply, 1);
-	dst_i2c_disable(state);
-	if (retval < 0) {
-		dprintk("%s: read verify  not successful\n", __FUNCTION__);
-		return retval;
+
+	if ((dst_pio_disable(state)) < 0) {
+		dprintk("%s: DST PIO disable failed !\n", __FUNCTION__);
+		return -1;
+	}
+
+	if ((read_dst(state, &reply, GET_ACK) < 0)) {
+		dprintk("%s: read verify not successful.\n", __FUNCTION__);
+		return -1;
 	}
-	if (reply != 0xff) {
-		dprintk("%s: write reply not 0xff 0x%02x \n", __FUNCTION__, reply);
+	if (reply != ACK) {
+		dprintk("%s: write not acknowledged 0x%02x \n", __FUNCTION__, reply);
 		return 0;
 	}
 	state->diseq_flags |= ATTEMPT_TUNE;
+
 	return dst_get_tuna(state);
 }
 
@@ -796,22 +1082,25 @@ static int dst_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage)
 			need_cmd = 1;
 		state->diseq_flags |= HAS_POWER;
 		break;
+
 	case SEC_VOLTAGE_18:
 		if ((state->diseq_flags & HAS_POWER) == 0)
 			need_cmd = 1;
 		state->diseq_flags |= HAS_POWER;
 		val[8] |= 0x40;
 		break;
+
 	case SEC_VOLTAGE_OFF:
 		need_cmd = 1;
 		state->diseq_flags &= ~(HAS_POWER | HAS_LOCK | ATTEMPT_TUNE);
 		break;
+
 	default:
 		return -EINVAL;
 	}
-	if (need_cmd) {
+	if (need_cmd)
 		dst_tone_power_cmd(state);
-	}
+
 	return 0;
 }
 
@@ -832,13 +1121,16 @@ static int dst_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
 	switch (tone) {
 	case SEC_TONE_OFF:
 		break;
+
 	case SEC_TONE_ON:
 		val[8] |= 1;
 		break;
+
 	default:
 		return -EINVAL;
 	}
 	dst_tone_power_cmd(state);
+
 	return 0;
 }
 
@@ -913,10 +1205,16 @@ static int dst_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_paramet
 	struct dst_state* state = (struct dst_state*) fe->demodulator_priv;
 
 	dst_set_freq(state, p->frequency);
+	if (verbose > 4)
+		dprintk("Set Frequency = [%d]\n", p->frequency);
+
 	dst_set_inversion(state, p->inversion);
 	if (state->dst_type == DST_TYPE_IS_SAT) {
 		dst_set_fec(state, p->u.qpsk.fec_inner);
 		dst_set_symbolrate(state, p->u.qpsk.symbol_rate);
+		if (verbose > 4)
+			dprintk("Set Symbolrate = [%d]\n", p->u.qpsk.symbol_rate);
+
 	} else if (state->dst_type == DST_TYPE_IS_TERR) {
 		dst_set_bandwidth(state, p->u.ofdm.bandwidth);
 	} else if (state->dst_type == DST_TYPE_IS_CABLE) {
@@ -958,50 +1256,47 @@ static struct dvb_frontend_ops dst_dvbt_ops;
 static struct dvb_frontend_ops dst_dvbs_ops;
 static struct dvb_frontend_ops dst_dvbc_ops;
 
-struct dvb_frontend* dst_attach(const struct dst_config* config,
-				struct i2c_adapter* i2c,
-				struct bt878 *bt)
+struct dst_state* dst_attach(struct dst_state *state, struct dvb_adapter *dvb_adapter)
 {
-	struct dst_state* state = NULL;
-
-	/* allocate memory for the internal state */
-	state = (struct dst_state*) kmalloc(sizeof(struct dst_state), GFP_KERNEL);
-	if (state == NULL) goto error;
 
-	/* setup the state */
-	state->config = config;
-	state->i2c = i2c;
-	state->bt = bt;
-
-	/* check if the demod is there */
-	if (dst_check_ci(state) < 0) goto error;
+	/* check if the ASIC is there */
+	if (dst_probe(state) < 0) {
+		if (state)
+			kfree(state);
 
+		return NULL;
+	}
 	/* determine settings based on type */
 	switch (state->dst_type) {
 	case DST_TYPE_IS_TERR:
 		memcpy(&state->ops, &dst_dvbt_ops, sizeof(struct dvb_frontend_ops));
 		break;
+
 	case DST_TYPE_IS_CABLE:
 		memcpy(&state->ops, &dst_dvbc_ops, sizeof(struct dvb_frontend_ops));
 		break;
+
 	case DST_TYPE_IS_SAT:
 		memcpy(&state->ops, &dst_dvbs_ops, sizeof(struct dvb_frontend_ops));
 		break;
+
 	default:
-		printk("dst: unknown frontend type. please report to the LinuxTV.org DVB mailinglist.\n");
-		goto error;
+		printk("%s: unknown DST type. please report to the LinuxTV.org DVB mailinglist.\n", __FUNCTION__);
+		if (state)
+			kfree(state);
+
+		return NULL;
 	}
 
 	/* create dvb_frontend */
 	state->frontend.ops = &state->ops;
 	state->frontend.demodulator_priv = state;
-	return &state->frontend;
 
-error:
-	kfree(state);
-	return NULL;
+	return state;				/*	Manu (DST is a card not a frontend)	*/
 }
 
+EXPORT_SYMBOL(dst_attach);
+
 static struct dvb_frontend_ops dst_dvbt_ops = {
 
 	.info = {
@@ -1051,6 +1346,7 @@ static struct dvb_frontend_ops dst_dvbs_ops = {
 	.read_signal_strength = dst_read_signal_strength,
 	.read_snr = dst_read_snr,
 
+	.diseqc_send_burst = dst_set_tone,
 	.diseqc_send_master_cmd = dst_set_diseqc,
 	.set_voltage = dst_set_voltage,
 	.set_tone = dst_set_tone,
@@ -1082,8 +1378,7 @@ static struct dvb_frontend_ops dst_dvbc_ops = {
 	.read_snr = dst_read_snr,
 };
 
+
 MODULE_DESCRIPTION("DST DVB-S/T/C Combo Frontend driver");
-MODULE_AUTHOR("Jamie Honan");
+MODULE_AUTHOR("Jamie Honan, Manu Abraham");
 MODULE_LICENSE("GPL");
-
-EXPORT_SYMBOL(dst_attach);
diff --git a/drivers/media/dvb/bt8xx/dst.h b/drivers/media/dvb/bt8xx/dst.h
deleted file mode 100644
index bcb418c5c12..00000000000
--- a/drivers/media/dvb/bt8xx/dst.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
-    Frontend-driver for TwinHan DST Frontend
-
-    Copyright (C) 2003 Jamie Honan
-
-    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 DST_H
-#define DST_H
-
-#include <linux/dvb/frontend.h>
-#include <linux/device.h>
-#include "bt878.h"
-
-struct dst_config
-{
-	/* the demodulator's i2c address */
-	u8 demod_address;
-};
-
-extern struct dvb_frontend* dst_attach(const struct dst_config* config,
-				       struct i2c_adapter* i2c,
-				       struct bt878 *bt);
-
-#endif // DST_H
diff --git a/drivers/media/dvb/bt8xx/dst_ca.c b/drivers/media/dvb/bt8xx/dst_ca.c
new file mode 100644
index 00000000000..d781504cc2f
--- /dev/null
+++ b/drivers/media/dvb/bt8xx/dst_ca.c
@@ -0,0 +1,861 @@
+/*
+	CA-driver for TwinHan DST Frontend/Card
+
+	Copyright (C) 2004, 2005 Manu Abraham (manu@kromtek.com)
+
+	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/init.h>
+#include <linux/string.h>
+
+#include <linux/dvb/ca.h>
+#include "dvbdev.h"
+#include "dvb_frontend.h"
+
+#include "dst_ca.h"
+#include "dst_common.h"
+
+static unsigned int verbose = 1;
+module_param(verbose, int, 0644);
+MODULE_PARM_DESC(verbose, "verbose startup messages, default is 1 (yes)");
+
+static unsigned int debug = 1;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "debug messages, default is 1 (yes)");
+
+#define dprintk if (debug) printk
+
+/*	Need some more work	*/
+static int ca_set_slot_descr(void)
+{
+	/*	We could make this more graceful ?	*/
+	return -EOPNOTSUPP;
+}
+
+/*	Need some more work	*/
+static int ca_set_pid(void)
+{
+	/*	We could make this more graceful ?	*/
+	return -EOPNOTSUPP;
+}
+
+
+static int put_checksum(u8 *check_string, int length)
+{
+	u8 i = 0, checksum = 0;
+
+	if (verbose > 3) {
+		dprintk("%s: ========================= Checksum calculation ===========================\n", __FUNCTION__);
+		dprintk("%s: String Length=[0x%02x]\n", __FUNCTION__, length);
+
+		dprintk("%s: String=[", __FUNCTION__);
+	}
+	while (i < length) {
+		if (verbose > 3)
+			dprintk(" %02x", check_string[i]);
+		checksum += check_string[i];
+		i++;
+	}
+	if (verbose > 3) {
+		dprintk(" ]\n");
+		dprintk("%s: Sum=[%02x]\n", __FUNCTION__, checksum);
+	}
+	check_string[length] = ~checksum + 1;
+	if (verbose > 3) {
+		dprintk("%s: Checksum=[%02x]\n", __FUNCTION__, check_string[length]);
+		dprintk("%s: ==========================================================================\n", __FUNCTION__);
+	}
+
+	return 0;
+}
+
+static int dst_ci_command(struct dst_state* state, u8 * data, u8 *ca_string, u8 len, int read)
+{
+	u8 reply;
+
+	dst_comm_init(state);
+	msleep(65);
+
+	if (write_dst(state, data, len)) {
+		dprintk("%s: Write not successful, trying to recover\n", __FUNCTION__);
+		dst_error_recovery(state);
+		return -1;
+	}
+
+	if ((dst_pio_disable(state)) < 0) {
+		dprintk("%s: DST PIO disable failed.\n", __FUNCTION__);
+		return -1;
+	}
+
+	if (read_dst(state, &reply, GET_ACK) < 0) {
+		dprintk("%s: Read not successful, trying to recover\n", __FUNCTION__);
+		dst_error_recovery(state);
+		return -1;
+	}
+
+	if (read) {
+		if (! dst_wait_dst_ready(state, LONG_DELAY)) {
+			dprintk("%s: 8820 not ready\n", __FUNCTION__);
+			return -1;
+		}
+
+		if (read_dst(state, ca_string, 128) < 0) {	/*	Try to make this dynamic	*/
+			dprintk("%s: Read not successful, trying to recover\n", __FUNCTION__);
+			dst_error_recovery(state);
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+
+static int dst_put_ci(struct dst_state *state, u8 *data, int len, u8 *ca_string, int read)
+{
+	u8 dst_ca_comm_err = 0;
+
+	while (dst_ca_comm_err < RETRIES) {
+		dst_comm_init(state);
+		if (verbose > 2)
+			dprintk("%s: Put Command\n", __FUNCTION__);
+		if (dst_ci_command(state, data, ca_string, len, read)) {	// If error
+			dst_error_recovery(state);
+			dst_ca_comm_err++; // work required here.
+		}
+		break;
+	}
+
+	return 0;
+}
+
+
+
+static int ca_get_app_info(struct dst_state *state)
+{
+	static u8 command[8] = {0x07, 0x40, 0x01, 0x00, 0x01, 0x00, 0x00, 0xff};
+
+	put_checksum(&command[0], command[0]);
+	if ((dst_put_ci(state, command, sizeof(command), state->messages, GET_REPLY)) < 0) {
+		dprintk("%s: -->dst_put_ci FAILED !\n", __FUNCTION__);
+		return -1;
+	}
+	if (verbose > 1) {
+		dprintk("%s: -->dst_put_ci SUCCESS !\n", __FUNCTION__);
+
+		dprintk("%s: ================================ CI Module Application Info ======================================\n", __FUNCTION__);
+		dprintk("%s: Application Type=[%d], Application Vendor=[%d], Vendor Code=[%d]\n%s: Application info=[%s]\n",
+			__FUNCTION__, state->messages[7], (state->messages[8] << 8) | state->messages[9],
+			(state->messages[10] << 8) | state->messages[11], __FUNCTION__, (char *)(&state->messages[12]));
+		dprintk("%s: ==================================================================================================\n", __FUNCTION__);
+	}
+
+	return 0;
+}
+
+static int ca_get_slot_caps(struct dst_state *state, struct ca_caps *p_ca_caps, void *arg)
+{
+	int i;
+	u8 slot_cap[256];
+	static u8 slot_command[8] = {0x07, 0x40, 0x02, 0x00, 0x02, 0x00, 0x00, 0xff};
+
+	put_checksum(&slot_command[0], slot_command[0]);
+	if ((dst_put_ci(state, slot_command, sizeof (slot_command), slot_cap, GET_REPLY)) < 0) {
+		dprintk("%s: -->dst_put_ci FAILED !\n", __FUNCTION__);
+		return -1;
+	}
+	if (verbose > 1)
+		dprintk("%s: -->dst_put_ci SUCCESS !\n", __FUNCTION__);
+
+	/*	Will implement the rest soon		*/
+
+	if (verbose > 1) {
+		dprintk("%s: Slot cap = [%d]\n", __FUNCTION__, slot_cap[7]);
+		dprintk("===================================\n");
+		for (i = 0; i < 8; i++)
+			dprintk(" %d", slot_cap[i]);
+		dprintk("\n");
+	}
+
+	p_ca_caps->slot_num = 1;
+	p_ca_caps->slot_type = 1;
+	p_ca_caps->descr_num = slot_cap[7];
+	p_ca_caps->descr_type = 1;
+
+
+	if (copy_to_user((struct ca_caps *)arg, p_ca_caps, sizeof (struct ca_caps))) {
+		return -EFAULT;
+	}
+
+	return 0;
+}
+
+/*	Need some more work	*/
+static int ca_get_slot_descr(struct dst_state *state, struct ca_msg *p_ca_message, void *arg)
+{
+	return -EOPNOTSUPP;
+}
+
+
+static int ca_get_slot_info(struct dst_state *state, struct ca_slot_info *p_ca_slot_info, void *arg)
+{
+	int i;
+	static u8 slot_command[8] = {0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff};
+
+	u8 *slot_info = state->rxbuffer;
+
+	put_checksum(&slot_command[0], 7);
+	if ((dst_put_ci(state, slot_command, sizeof (slot_command), slot_info, GET_REPLY)) < 0) {
+		dprintk("%s: -->dst_put_ci FAILED !\n", __FUNCTION__);
+		return -1;
+	}
+	if (verbose > 1)
+		dprintk("%s: -->dst_put_ci SUCCESS !\n", __FUNCTION__);
+
+	/*	Will implement the rest soon		*/
+
+	if (verbose > 1) {
+		dprintk("%s: Slot info = [%d]\n", __FUNCTION__, slot_info[3]);
+		dprintk("===================================\n");
+		for (i = 0; i < 8; i++)
+			dprintk(" %d", slot_info[i]);
+		dprintk("\n");
+	}
+
+	if (slot_info[4] & 0x80) {
+		p_ca_slot_info->flags = CA_CI_MODULE_PRESENT;
+		p_ca_slot_info->num = 1;
+		p_ca_slot_info->type = CA_CI;
+	}
+	else if (slot_info[4] & 0x40) {
+		p_ca_slot_info->flags = CA_CI_MODULE_READY;
+		p_ca_slot_info->num = 1;
+		p_ca_slot_info->type = CA_CI;
+	}
+	else {
+		p_ca_slot_info->flags = 0;
+	}
+
+	if (copy_to_user((struct ca_slot_info *)arg, p_ca_slot_info, sizeof (struct ca_slot_info))) {
+		return -EFAULT;
+	}
+
+	return 0;
+}
+
+
+
+
+static int ca_get_message(struct dst_state *state, struct ca_msg *p_ca_message, void *arg)
+{
+	u8 i = 0;
+	u32 command = 0;
+
+	if (copy_from_user(p_ca_message, (void *)arg, sizeof (struct ca_msg)))
+		return -EFAULT;
+
+
+	if (p_ca_message->msg) {
+		if (verbose > 3)
+			dprintk("Message = [%02x %02x %02x]\n", p_ca_message->msg[0], p_ca_message->msg[1], p_ca_message->msg[2]);
+
+		for (i = 0; i < 3; i++) {
+			command = command | p_ca_message->msg[i];
+			if (i < 2)
+				command = command << 8;
+		}
+		if (verbose > 3)
+			dprintk("%s:Command=[0x%x]\n", __FUNCTION__, command);
+
+		switch (command) {
+			case CA_APP_INFO:
+				memcpy(p_ca_message->msg, state->messages, 128);
+				if (copy_to_user((void *)arg, p_ca_message, sizeof (struct ca_msg)) )
+					return -EFAULT;
+			break;
+		}
+	}
+
+	return 0;
+}
+
+static int handle_en50221_tag(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer)
+{
+	if (state->dst_hw_cap & DST_TYPE_HAS_SESSION) {
+		hw_buffer->msg[2] = p_ca_message->msg[1];		/*		MSB			*/
+		hw_buffer->msg[3] = p_ca_message->msg[2];		/*		LSB			*/
+	}
+	else {
+		hw_buffer->msg[2] = 0x03;
+		hw_buffer->msg[3] = 0x00;
+	}
+	return 0;
+}
+
+static int debug_8820_buffer(struct ca_msg *hw_buffer)
+{
+	unsigned int i;
+
+	dprintk("%s:Debug=[", __FUNCTION__);
+	for (i = 0; i < (hw_buffer->msg[0] + 1); i++)
+		dprintk(" %02x", hw_buffer->msg[i]);
+	dprintk("]\n");
+
+	return 0;
+}
+
+static int write_to_8820(struct dst_state *state, struct ca_msg *hw_buffer, u8 reply)
+{
+	if ((dst_put_ci(state, hw_buffer->msg, (hw_buffer->length + 1), hw_buffer->msg, reply)) < 0) {
+		dprintk("%s: DST-CI Command failed.\n", __FUNCTION__);
+		dprintk("%s: Resetting DST.\n", __FUNCTION__);
+		rdc_reset_state(state);
+		return -1;
+	}
+	if (verbose > 2)
+		dprintk("%s: DST-CI Command succes.\n", __FUNCTION__);
+
+	return 0;
+}
+
+
+static int ca_set_pmt(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer, u8 reply, u8 query)
+{
+	u32 hw_offset, buf_offset, i, k;
+	u32 program_info_length = 0, es_info_length = 0, length = 0, words = 0;
+	u8 found_prog_ca_desc = 0, found_stream_ca_desc = 0, error_condition = 0, hw_buffer_length = 0;
+
+	if (verbose > 3)
+		dprintk("%s, p_ca_message length %d (0x%x)\n", __FUNCTION__,p_ca_message->length,p_ca_message->length );
+
+	handle_en50221_tag(state, p_ca_message, hw_buffer);			/*	EN50221 tag		*/
+
+	/*	Handle the length field (variable)	*/
+	if (!(p_ca_message->msg[3] & 0x80)) {				/*	Length = 1		*/
+		length = p_ca_message->msg[3] & 0x7f;
+		words = 0;						/*	domi's suggestion	*/
+	}
+	else {								/*	Length = words		*/
+		words = p_ca_message->msg[3] & 0x7f;
+		for (i = 0; i < words; i++) {
+			length = length << 8;
+			length = length | p_ca_message->msg[4 + i];
+		}
+	}
+	if (verbose > 4) {
+		dprintk("%s:Length=[%d (0x%x)], Words=[%d]\n", __FUNCTION__, length,length, words);
+
+		/*	Debug Input string		*/
+		for (i = 0; i < length; i++)
+			dprintk(" %02x", p_ca_message->msg[i]);
+		dprintk("]\n");
+	}
+
+	hw_offset = 7;
+	buf_offset = words + 4;
+
+	/*		Program Header			*/
+	if (verbose > 4)
+		dprintk("\n%s:Program Header=[", __FUNCTION__);
+	for (i = 0; i < 6; i++) {
+		hw_buffer->msg[hw_offset] = p_ca_message->msg[buf_offset];
+		if (verbose > 4)
+			dprintk(" %02x", p_ca_message->msg[buf_offset]);
+		hw_offset++, buf_offset++, hw_buffer_length++;
+	}
+	if (verbose > 4)
+		dprintk("]\n");
+
+	program_info_length = 0;
+	program_info_length = (((program_info_length | p_ca_message->msg[words + 8]) & 0x0f) << 8) | p_ca_message->msg[words + 9];
+	if (verbose > 4)
+		dprintk("%s:Program info Length=[%d][%02x], hw_offset=[%d], buf_offset=[%d] \n",
+			__FUNCTION__, program_info_length, program_info_length, hw_offset, buf_offset);
+
+	if (program_info_length && (program_info_length < 256)) {	/*	If program_info_length		*/
+		hw_buffer->msg[11] = hw_buffer->msg[11] & 0x0f;		/*	req only 4 bits			*/
+		hw_buffer->msg[12] = hw_buffer->msg[12] + 1;		/*	increment! ASIC bug!		*/
+
+		if (p_ca_message->msg[buf_offset + 1] == 0x09) {	/*	Check CA descriptor		*/
+			found_prog_ca_desc = 1;
+			if (verbose > 4)
+				dprintk("%s: Found CA descriptor @ Program level\n", __FUNCTION__);
+		}
+
+		if (found_prog_ca_desc) {				/*	Command only if CA descriptor	*/
+			hw_buffer->msg[13] = p_ca_message->msg[buf_offset];	/*	CA PMT command ID	*/
+			hw_offset++, buf_offset++, hw_buffer_length++;
+		}
+
+		/*			Program descriptors				*/
+		if (verbose > 4) {
+			dprintk("%s:**********>buf_offset=[%d], hw_offset=[%d]\n", __FUNCTION__, buf_offset, hw_offset);
+			dprintk("%s:Program descriptors=[", __FUNCTION__);
+		}
+		while (program_info_length && !error_condition) {		/*	Copy prog descriptors	*/
+			if (program_info_length > p_ca_message->length) {	/*	Error situation		*/
+				dprintk ("%s:\"WARNING\" Length error, line=[%d], prog_info_length=[%d]\n",
+								__FUNCTION__, __LINE__, program_info_length);
+				dprintk("%s:\"WARNING\" Bailing out of possible loop\n", __FUNCTION__);
+				error_condition = 1;
+				break;
+			}
+
+			hw_buffer->msg[hw_offset] = p_ca_message->msg[buf_offset];
+			dprintk(" %02x", p_ca_message->msg[buf_offset]);
+			hw_offset++, buf_offset++, hw_buffer_length++, program_info_length--;
+		}
+		if (verbose > 4) {
+			dprintk("]\n");
+			dprintk("%s:**********>buf_offset=[%d], hw_offset=[%d]\n", __FUNCTION__, buf_offset, hw_offset);
+		}
+		if (found_prog_ca_desc) {
+			if (!reply) {
+				hw_buffer->msg[13] = 0x01;		/*	OK descrambling			*/
+				if (verbose > 1)
+					dprintk("CA PMT Command = OK Descrambling\n");
+			}
+			else {
+				hw_buffer->msg[13] = 0x02;		/*	Ok MMI				*/
+				if (verbose > 1)
+					dprintk("CA PMT Command = Ok MMI\n");
+			}
+			if (query) {
+				hw_buffer->msg[13] = 0x03;		/*	Query				*/
+				if (verbose > 1)
+					dprintk("CA PMT Command = CA PMT query\n");
+			}
+		}
+	}
+	else {
+		hw_buffer->msg[11] = hw_buffer->msg[11] & 0xf0;		/*	Don't write to ASIC		*/
+		hw_buffer->msg[12] = hw_buffer->msg[12] = 0x00;
+	}
+	if (verbose > 4)
+		dprintk("%s:**********>p_ca_message->length=[%d], buf_offset=[%d], hw_offset=[%d]\n",
+					__FUNCTION__, p_ca_message->length, buf_offset, hw_offset);
+
+	while ((buf_offset  < p_ca_message->length)  && !error_condition) {
+		/*	Bail out in case of an indefinite loop		*/
+		if ((es_info_length > p_ca_message->length) || (buf_offset > p_ca_message->length)) {
+			dprintk("%s:\"WARNING\" Length error, line=[%d], prog_info_length=[%d], buf_offset=[%d]\n",
+							__FUNCTION__, __LINE__, program_info_length, buf_offset);
+
+			dprintk("%s:\"WARNING\" Bailing out of possible loop\n", __FUNCTION__);
+			error_condition = 1;
+			break;
+		}
+
+		/*		Stream Header				*/
+
+		for (k = 0; k < 5; k++) {
+			hw_buffer->msg[hw_offset + k] = p_ca_message->msg[buf_offset + k];
+		}
+
+		es_info_length = 0;
+		es_info_length = (es_info_length | (p_ca_message->msg[buf_offset + 3] & 0x0f)) << 8 | p_ca_message->msg[buf_offset + 4];
+
+		if (verbose > 4) {
+			dprintk("\n%s:----->Stream header=[%02x %02x %02x %02x %02x]\n", __FUNCTION__,
+				p_ca_message->msg[buf_offset + 0], p_ca_message->msg[buf_offset + 1],
+				p_ca_message->msg[buf_offset + 2], p_ca_message->msg[buf_offset + 3],
+				p_ca_message->msg[buf_offset + 4]);
+
+			dprintk("%s:----->Stream type=[%02x], es length=[%d (0x%x)], Chars=[%02x] [%02x], buf_offset=[%d]\n", __FUNCTION__,
+				p_ca_message->msg[buf_offset + 0], es_info_length, es_info_length,
+				p_ca_message->msg[buf_offset + 3], p_ca_message->msg[buf_offset + 4], buf_offset);
+		}
+
+		hw_buffer->msg[hw_offset + 3] &= 0x0f;			/*	req only 4 bits			*/
+
+		if (found_prog_ca_desc) {
+			hw_buffer->msg[hw_offset + 3] = 0x00;
+			hw_buffer->msg[hw_offset + 4] = 0x00;
+		}
+
+		hw_offset += 5, buf_offset += 5, hw_buffer_length += 5;
+
+		/*		Check for CA descriptor			*/
+		if (p_ca_message->msg[buf_offset + 1] == 0x09) {
+			if (verbose > 4)
+				dprintk("%s:Found CA descriptor @ Stream level\n", __FUNCTION__);
+			found_stream_ca_desc = 1;
+		}
+
+		/*		ES descriptors				*/
+
+		if (es_info_length && !error_condition && !found_prog_ca_desc && found_stream_ca_desc) {
+//			if (!ca_pmt_done) {
+				hw_buffer->msg[hw_offset] = p_ca_message->msg[buf_offset];	/*	CA PMT cmd(es)	*/
+				if (verbose > 4)
+					printk("%s:----->CA PMT Command ID=[%02x]\n", __FUNCTION__, p_ca_message->msg[buf_offset]);
+//				hw_offset++, buf_offset++, hw_buffer_length++, es_info_length--, ca_pmt_done = 1;
+				hw_offset++, buf_offset++, hw_buffer_length++, es_info_length--;
+//			}
+			if (verbose > 4)
+				dprintk("%s:----->ES descriptors=[", __FUNCTION__);
+
+			while (es_info_length && !error_condition) {	/*	ES descriptors			*/
+				if ((es_info_length > p_ca_message->length) || (buf_offset > p_ca_message->length)) {
+					if (verbose > 4) {
+						dprintk("%s:\"WARNING\" ES Length error, line=[%d], es_info_length=[%d], buf_offset=[%d]\n",
+										__FUNCTION__, __LINE__, es_info_length, buf_offset);
+
+						dprintk("%s:\"WARNING\" Bailing out of possible loop\n", __FUNCTION__);
+					}
+					error_condition = 1;
+					break;
+				}
+
+				hw_buffer->msg[hw_offset] = p_ca_message->msg[buf_offset];
+				if (verbose > 3)
+					dprintk("%02x ", hw_buffer->msg[hw_offset]);
+				hw_offset++, buf_offset++, hw_buffer_length++, es_info_length--;
+			}
+			found_stream_ca_desc = 0;			/*	unset for new streams		*/
+			dprintk("]\n");
+		}
+	}
+
+	/*		MCU Magic words					*/
+
+	hw_buffer_length += 7;
+	hw_buffer->msg[0] = hw_buffer_length;
+	hw_buffer->msg[1] = 64;
+	hw_buffer->msg[4] = 3;
+	hw_buffer->msg[5] = hw_buffer->msg[0] - 7;
+	hw_buffer->msg[6] = 0;
+
+
+	/*      Fix length      */
+	hw_buffer->length = hw_buffer->msg[0];
+
+	put_checksum(&hw_buffer->msg[0], hw_buffer->msg[0]);
+	/*      Do the actual write     */
+	if (verbose > 4) {
+		dprintk("%s:======================DEBUGGING================================\n", __FUNCTION__);
+		dprintk("%s: Actual Length=[%d]\n", __FUNCTION__, hw_buffer_length);
+	}
+	/*      Only for debugging!     */
+	if (verbose > 2)
+		debug_8820_buffer(hw_buffer);
+	if (verbose > 3)
+		dprintk("%s: Reply = [%d]\n", __FUNCTION__, reply);
+	write_to_8820(state, hw_buffer, reply);
+
+	return 0;
+}
+
+/*	Board supports CA PMT reply ?		*/
+static int dst_check_ca_pmt(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer)
+{
+	int ca_pmt_reply_test = 0;
+
+	/*	Do test board			*/
+	/*	Not there yet but soon		*/
+
+
+	/*	CA PMT Reply capable		*/
+	if (ca_pmt_reply_test) {
+		if ((ca_set_pmt(state, p_ca_message, hw_buffer, 1, GET_REPLY)) < 0) {
+			dprintk("%s: ca_set_pmt.. failed !\n", __FUNCTION__);
+			return -1;
+		}
+
+	/*	Process CA PMT Reply		*/
+	/*	will implement soon		*/
+		dprintk("%s: Not there yet\n", __FUNCTION__);
+	}
+	/*	CA PMT Reply not capable	*/
+	if (!ca_pmt_reply_test) {
+		if ((ca_set_pmt(state, p_ca_message, hw_buffer, 0, NO_REPLY)) < 0) {
+			dprintk("%s: ca_set_pmt.. failed !\n", __FUNCTION__);
+			return -1;
+		}
+		if (verbose > 3)
+			dprintk("%s: ca_set_pmt.. success !\n", __FUNCTION__);
+	/*	put a dummy message		*/
+
+	}
+	return 0;
+}
+
+static int ca_send_message(struct dst_state *state, struct ca_msg *p_ca_message, void *arg)
+{
+	int i = 0;
+	unsigned int ca_message_header_len;
+
+	u32 command = 0;
+	struct ca_msg *hw_buffer;
+
+	if ((hw_buffer = (struct ca_msg *) kmalloc(sizeof (struct ca_msg), GFP_KERNEL)) == NULL) {
+		printk("%s: Memory allocation failure\n", __FUNCTION__);
+		return -ENOMEM;
+	}
+	if (verbose > 3)
+		dprintk("%s\n", __FUNCTION__);
+
+	if (copy_from_user(p_ca_message, (void *)arg, sizeof (struct ca_msg)))
+		return -EFAULT;
+
+	if (p_ca_message->msg) {
+		ca_message_header_len = p_ca_message->length;	/*	Restore it back when you are done	*/
+		/*	EN50221 tag	*/
+		command = 0;
+
+		for (i = 0; i < 3; i++) {
+			command = command | p_ca_message->msg[i];
+			if (i < 2)
+				command = command << 8;
+		}
+		if (verbose > 3)
+			dprintk("%s:Command=[0x%x]\n", __FUNCTION__, command);
+
+		switch (command) {
+			case CA_PMT:
+				if (verbose > 3)
+					dprintk("Command = SEND_CA_PMT\n");
+				if ((ca_set_pmt(state, p_ca_message, hw_buffer, 0, 0)) < 0) {
+					dprintk("%s: -->CA_PMT Failed !\n", __FUNCTION__);
+					return -1;
+				}
+				if (verbose > 3)
+					dprintk("%s: -->CA_PMT Success !\n", __FUNCTION__);
+//				retval = dummy_set_pmt(state, p_ca_message, hw_buffer, 0, 0);
+
+				break;
+
+			case CA_PMT_REPLY:
+				if (verbose > 3)
+					dprintk("Command = CA_PMT_REPLY\n");
+				/*      Have to handle the 2 basic types of cards here  */
+				if ((dst_check_ca_pmt(state, p_ca_message, hw_buffer)) < 0) {
+					dprintk("%s: -->CA_PMT_REPLY Failed !\n", __FUNCTION__);
+					return -1;
+				}
+				if (verbose > 3)
+					dprintk("%s: -->CA_PMT_REPLY Success !\n", __FUNCTION__);
+
+				/*      Certain boards do behave different ?            */
+//				retval = ca_set_pmt(state, p_ca_message, hw_buffer, 1, 1);
+
+			case CA_APP_INFO_ENQUIRY:		// only for debugging
+				if (verbose > 3)
+					dprintk("%s: Getting Cam Application information\n", __FUNCTION__);
+
+				if ((ca_get_app_info(state)) < 0) {
+					dprintk("%s: -->CA_APP_INFO_ENQUIRY Failed !\n", __FUNCTION__);
+					return -1;
+				}
+				if (verbose > 3)
+					printk("%s: -->CA_APP_INFO_ENQUIRY Success !\n", __FUNCTION__);
+
+				break;
+		}
+	}
+	return 0;
+}
+
+static int dst_ca_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *arg)
+{
+	struct dvb_device* dvbdev = (struct dvb_device*) file->private_data;
+	struct dst_state* state = (struct dst_state*) dvbdev->priv;
+	struct ca_slot_info *p_ca_slot_info;
+	struct ca_caps *p_ca_caps;
+	struct ca_msg *p_ca_message;
+
+	if ((p_ca_message = (struct ca_msg *) kmalloc(sizeof (struct ca_msg), GFP_KERNEL)) == NULL) {
+		printk("%s: Memory allocation failure\n", __FUNCTION__);
+		return -ENOMEM;
+	}
+
+	if ((p_ca_slot_info = (struct ca_slot_info *) kmalloc(sizeof (struct ca_slot_info), GFP_KERNEL)) == NULL) {
+		printk("%s: Memory allocation failure\n", __FUNCTION__);
+		return -ENOMEM;
+	}
+
+	if ((p_ca_caps = (struct ca_caps *) kmalloc(sizeof (struct ca_caps), GFP_KERNEL)) == NULL) {
+		printk("%s: Memory allocation failure\n", __FUNCTION__);
+		return -ENOMEM;
+	}
+
+	/*	We have now only the standard ioctl's, the driver is upposed to handle internals.	*/
+	switch (cmd) {
+		case CA_SEND_MSG:
+			if (verbose > 1)
+				dprintk("%s: Sending message\n", __FUNCTION__);
+			if ((ca_send_message(state, p_ca_message, arg)) < 0) {
+				dprintk("%s: -->CA_SEND_MSG Failed !\n", __FUNCTION__);
+				return -1;
+			}
+
+			break;
+
+		case CA_GET_MSG:
+			if (verbose > 1)
+				dprintk("%s: Getting message\n", __FUNCTION__);
+			if ((ca_get_message(state, p_ca_message, arg)) < 0) {
+				dprintk("%s: -->CA_GET_MSG Failed !\n", __FUNCTION__);
+				return -1;
+			}
+			if (verbose > 1)
+				dprintk("%s: -->CA_GET_MSG Success !\n", __FUNCTION__);
+
+			break;
+
+		case CA_RESET:
+			if (verbose > 1)
+				dprintk("%s: Resetting DST\n", __FUNCTION__);
+			dst_error_bailout(state);
+			msleep(4000);
+
+			break;
+
+		case CA_GET_SLOT_INFO:
+			if (verbose > 1)
+				dprintk("%s: Getting Slot info\n", __FUNCTION__);
+			if ((ca_get_slot_info(state, p_ca_slot_info, arg)) < 0) {
+				dprintk("%s: -->CA_GET_SLOT_INFO Failed !\n", __FUNCTION__);
+				return -1;
+			}
+			if (verbose > 1)
+				dprintk("%s: -->CA_GET_SLOT_INFO Success !\n", __FUNCTION__);
+
+			break;
+
+		case CA_GET_CAP:
+			if (verbose > 1)
+				dprintk("%s: Getting Slot capabilities\n", __FUNCTION__);
+			if ((ca_get_slot_caps(state, p_ca_caps, arg)) < 0) {
+				dprintk("%s: -->CA_GET_CAP Failed !\n", __FUNCTION__);
+				return -1;
+			}
+			if (verbose > 1)
+				dprintk("%s: -->CA_GET_CAP Success !\n", __FUNCTION__);
+
+			break;
+
+		case CA_GET_DESCR_INFO:
+			if (verbose > 1)
+				dprintk("%s: Getting descrambler description\n", __FUNCTION__);
+			if ((ca_get_slot_descr(state, p_ca_message, arg)) < 0) {
+				dprintk("%s: -->CA_GET_DESCR_INFO Failed !\n", __FUNCTION__);
+				return -1;
+			}
+			if (verbose > 1)
+				dprintk("%s: -->CA_GET_DESCR_INFO Success !\n", __FUNCTION__);
+
+			break;
+
+		case CA_SET_DESCR:
+			if (verbose > 1)
+				dprintk("%s: Setting descrambler\n", __FUNCTION__);
+			if ((ca_set_slot_descr()) < 0) {
+				dprintk("%s: -->CA_SET_DESCR Failed !\n", __FUNCTION__);
+				return -1;
+			}
+			if (verbose > 1)
+				dprintk("%s: -->CA_SET_DESCR Success !\n", __FUNCTION__);
+
+			break;
+
+		case CA_SET_PID:
+			if (verbose > 1)
+				dprintk("%s: Setting PID\n", __FUNCTION__);
+			if ((ca_set_pid()) < 0) {
+				dprintk("%s: -->CA_SET_PID Failed !\n", __FUNCTION__);
+				return -1;
+			}
+			if (verbose > 1)
+				dprintk("%s: -->CA_SET_PID Success !\n", __FUNCTION__);
+
+		default:
+			return -EOPNOTSUPP;
+		};
+
+	return 0;
+}
+
+static int dst_ca_open(struct inode *inode, struct file *file)
+{
+	if (verbose > 4)
+		dprintk("%s:Device opened [%p]\n", __FUNCTION__, file);
+	try_module_get(THIS_MODULE);
+
+	return 0;
+}
+
+static int dst_ca_release(struct inode *inode, struct file *file)
+{
+	if (verbose > 4)
+		dprintk("%s:Device closed.\n", __FUNCTION__);
+	module_put(THIS_MODULE);
+
+	return 0;
+}
+
+static int dst_ca_read(struct file *file, char __user * buffer, size_t length, loff_t * offset)
+{
+	int bytes_read = 0;
+
+	if (verbose > 4)
+		dprintk("%s:Device read.\n", __FUNCTION__);
+
+	return bytes_read;
+}
+
+static int dst_ca_write(struct file *file, const char __user * buffer, size_t length, loff_t * offset)
+{
+	if (verbose > 4)
+		dprintk("%s:Device write.\n", __FUNCTION__);
+
+	return 0;
+}
+
+static struct file_operations dst_ca_fops = {
+	.owner = THIS_MODULE,
+	.ioctl = (void *)dst_ca_ioctl,
+	.open = dst_ca_open,
+	.release = dst_ca_release,
+	.read = dst_ca_read,
+	.write = dst_ca_write
+};
+
+static struct dvb_device dvbdev_ca = {
+	.priv = NULL,
+	.users = 1,
+	.readers = 1,
+	.writers = 1,
+	.fops = &dst_ca_fops
+};
+
+int dst_ca_attach(struct dst_state *dst, struct dvb_adapter *dvb_adapter)
+{
+	struct dvb_device *dvbdev;
+	if (verbose > 4)
+		dprintk("%s:registering DST-CA device\n", __FUNCTION__);
+	dvb_register_device(dvb_adapter, &dvbdev, &dvbdev_ca, dst, DVB_DEVICE_CA);
+	return 0;
+}
+
+EXPORT_SYMBOL(dst_ca_attach);
+
+MODULE_DESCRIPTION("DST DVB-S/T/C Combo CA driver");
+MODULE_AUTHOR("Manu Abraham");
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/dvb/bt8xx/dst_ca.h b/drivers/media/dvb/bt8xx/dst_ca.h
new file mode 100644
index 00000000000..59cd0ddd6d8
--- /dev/null
+++ b/drivers/media/dvb/bt8xx/dst_ca.h
@@ -0,0 +1,58 @@
+/*
+	CA-driver for TwinHan DST Frontend/Card
+
+	Copyright (C) 2004, 2005 Manu Abraham (manu@kromtek.com)
+
+	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 _DST_CA_H_
+#define _DST_CA_H_
+
+#define RETRIES			5
+
+
+#define	CA_APP_INFO_ENQUIRY	0x9f8020
+#define	CA_APP_INFO		0x9f8021
+#define	CA_ENTER_MENU		0x9f8022
+#define CA_INFO_ENQUIRY		0x9f8030
+#define	CA_INFO			0x9f8031
+#define CA_PMT			0x9f8032
+#define CA_PMT_REPLY		0x9f8033
+
+#define CA_CLOSE_MMI		0x9f8800
+#define CA_DISPLAY_CONTROL	0x9f8801
+#define CA_DISPLAY_REPLY	0x9f8802
+#define CA_TEXT_LAST		0x9f8803
+#define CA_TEXT_MORE		0x9f8804
+#define CA_KEYPAD_CONTROL	0x9f8805
+#define CA_KEYPRESS		0x9f8806
+
+#define CA_ENQUIRY		0x9f8807
+#define CA_ANSWER		0x9f8808
+#define CA_MENU_LAST		0x9f8809
+#define CA_MENU_MORE		0x9f880a
+#define CA_MENU_ANSWER		0x9f880b
+#define CA_LIST_LAST		0x9f880c
+#define CA_LIST_MORE		0x9f880d
+
+
+struct dst_ca_private {
+	struct dst_state *dst;
+	struct dvb_device *dvbdev;
+};
+
+
+#endif
diff --git a/drivers/media/dvb/bt8xx/dst_common.h b/drivers/media/dvb/bt8xx/dst_common.h
new file mode 100644
index 00000000000..0b3da29245f
--- /dev/null
+++ b/drivers/media/dvb/bt8xx/dst_common.h
@@ -0,0 +1,153 @@
+/*
+	Frontend-driver for TwinHan DST Frontend
+
+	Copyright (C) 2003 Jamie Honan
+	Copyright (C) 2004, 2005 Manu Abraham (manu@kromtek.com)
+
+	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 DST_COMMON_H
+#define DST_COMMON_H
+
+#include <linux/dvb/frontend.h>
+#include <linux/device.h>
+#include "bt878.h"
+
+#include "dst_ca.h"
+
+
+#define NO_DELAY		0
+#define LONG_DELAY		1
+#define DEVICE_INIT		2
+
+#define DELAY			1
+
+#define DST_TYPE_IS_SAT		0
+#define DST_TYPE_IS_TERR	1
+#define DST_TYPE_IS_CABLE	2
+#define DST_TYPE_IS_ATSC	3
+
+#define DST_TYPE_HAS_NEWTUNE	1
+#define DST_TYPE_HAS_TS204	2
+#define DST_TYPE_HAS_SYMDIV	4
+#define DST_TYPE_HAS_FW_1	8
+#define DST_TYPE_HAS_FW_2	16
+#define DST_TYPE_HAS_FW_3	32
+#define DST_TYPE_HAS_FW_BUILD	64
+
+/*	Card capability list	*/
+
+#define DST_TYPE_HAS_MAC	1
+#define DST_TYPE_HAS_DISEQC3	2
+#define DST_TYPE_HAS_DISEQC4	4
+#define DST_TYPE_HAS_DISEQC5	8
+#define DST_TYPE_HAS_MOTO	16
+#define DST_TYPE_HAS_CA		32
+#define	DST_TYPE_HAS_ANALOG	64	/*	Analog inputs	*/
+#define DST_TYPE_HAS_SESSION	128
+
+
+#define RDC_8820_PIO_0_DISABLE	0
+#define RDC_8820_PIO_0_ENABLE	1
+#define RDC_8820_INT		2
+#define RDC_8820_RESET		4
+
+/*	DST Communication	*/
+#define GET_REPLY		1
+#define NO_REPLY		0
+
+#define GET_ACK			1
+#define FIXED_COMM		8
+
+#define ACK			0xff
+
+struct dst_state {
+
+	struct i2c_adapter* i2c;
+
+	struct bt878* bt;
+
+	struct dvb_frontend_ops ops;
+
+	/* configuration settings */
+	const struct dst_config* config;
+
+	struct dvb_frontend frontend;
+
+	/* private ASIC data */
+	u8 tx_tuna[10];
+	u8 rx_tuna[10];
+	u8 rxbuffer[10];
+	u8 diseq_flags;
+	u8 dst_type;
+	u32 type_flags;
+	u32 frequency;		/* intermediate frequency in kHz for QPSK */
+	fe_spectral_inversion_t inversion;
+	u32 symbol_rate;	/* symbol rate in Symbols per second */
+	fe_code_rate_t fec;
+	fe_sec_voltage_t voltage;
+	fe_sec_tone_mode_t tone;
+	u32 decode_freq;
+	u8 decode_lock;
+	u16 decode_strength;
+	u16 decode_snr;
+	unsigned long cur_jiff;
+	u8 k22;
+	fe_bandwidth_t bandwidth;
+	u32 dst_hw_cap;
+	u8 dst_fw_version;
+	fe_sec_mini_cmd_t minicmd;
+	u8 messages[256];
+};
+
+struct dst_types {
+	char *device_id;
+	int offset;
+	u8 dst_type;
+	u32 type_flags;
+	u32 dst_feature;
+};
+
+
+
+struct dst_config
+{
+	/* the ASIC i2c address */
+	u8 demod_address;
+};
+
+
+int rdc_reset_state(struct dst_state *state);
+int rdc_8820_reset(struct dst_state *state);
+
+int dst_wait_dst_ready(struct dst_state *state, u8 delay_mode);
+int dst_pio_enable(struct dst_state *state);
+int dst_pio_disable(struct dst_state *state);
+int dst_error_recovery(struct dst_state* state);
+int dst_error_bailout(struct dst_state *state);
+int dst_comm_init(struct dst_state* state);
+
+int write_dst(struct dst_state *state, u8 * data, u8 len);
+int read_dst(struct dst_state *state, u8 * ret, u8 len);
+u8 dst_check_sum(u8 * buf, u32 len);
+struct dst_state* dst_attach(struct dst_state* state, struct dvb_adapter *dvb_adapter);
+int dst_ca_attach(struct dst_state *state, struct dvb_adapter *dvb_adapter);
+int dst_gpio_outb(struct dst_state* state, u32 mask, u32 enbb, u32 outhigh, int delay);
+
+int dst_command(struct dst_state* state, u8 * data, u8 len);
+
+
+#endif // DST_COMMON_H
diff --git a/drivers/media/dvb/bt8xx/dst_priv.h b/drivers/media/dvb/bt8xx/dst_priv.h
index 80488aa628b..3974a4c6ebe 100644
--- a/drivers/media/dvb/bt8xx/dst_priv.h
+++ b/drivers/media/dvb/bt8xx/dst_priv.h
@@ -33,4 +33,3 @@ union dst_gpio_packet {
 struct bt878;
 
 int bt878_device_control(struct bt878 *bt, unsigned int cmd, union dst_gpio_packet *mp);
-
diff --git a/drivers/media/dvb/bt8xx/dvb-bt8xx.c b/drivers/media/dvb/bt8xx/dvb-bt8xx.c
index b735397f59a..6f857c6091f 100644
--- a/drivers/media/dvb/bt8xx/dvb-bt8xx.c
+++ b/drivers/media/dvb/bt8xx/dvb-bt8xx.c
@@ -142,7 +142,7 @@ static int thomson_dtt7579_demod_init(struct dvb_frontend* fe)
 	mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 
 	mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
-        mt352_write(fe, mt352_gpp_ctl_cfg, sizeof(mt352_gpp_ctl_cfg));
+	mt352_write(fe, mt352_gpp_ctl_cfg, sizeof(mt352_gpp_ctl_cfg));
 	mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
 
 	return 0;
@@ -161,7 +161,7 @@ static int thomson_dtt7579_pll_set(struct dvb_frontend* fe, struct dvb_frontend_
 	else if (params->frequency < 771000000) cp = 0xbc;
 	else cp = 0xf4;
 
-        if (params->frequency == 0) bs = 0x03;
+	if (params->frequency == 0) bs = 0x03;
 	else if (params->frequency < 443250000) bs = 0x02;
 	else bs = 0x08;
 
@@ -190,44 +190,44 @@ static int cx24108_pll_set(struct dvb_frontend* fe, struct dvb_frontend_paramete
 
 
    u32 osci[]={950000,1019000,1075000,1178000,1296000,1432000,
-               1576000,1718000,1856000,2036000,2150000};
+	       1576000,1718000,1856000,2036000,2150000};
    u32 bandsel[]={0,0x00020000,0x00040000,0x00100800,0x00101000,
-               0x00102000,0x00104000,0x00108000,0x00110000,
-               0x00120000,0x00140000};
+	       0x00102000,0x00104000,0x00108000,0x00110000,
+	       0x00120000,0x00140000};
 
 #define XTAL 1011100 /* Hz, really 1.0111 MHz and a /10 prescaler */
-        printk("cx24108 debug: entering SetTunerFreq, freq=%d\n",freq);
-
-        /* This is really the bit driving the tuner chip cx24108 */
-
-        if(freq<950000) freq=950000; /* kHz */
-        if(freq>2150000) freq=2150000; /* satellite IF is 950..2150MHz */
-
-        /* decide which VCO to use for the input frequency */
-        for(i=1;(i<sizeof(osci)/sizeof(osci[0]))&&(osci[i]<freq);i++);
-        printk("cx24108 debug: select vco #%d (f=%d)\n",i,freq);
-        band=bandsel[i];
-        /* the gain values must be set by SetSymbolrate */
-        /* compute the pll divider needed, from Conexant data sheet,
-           resolved for (n*32+a), remember f(vco) is f(receive) *2 or *4,
-           depending on the divider bit. It is set to /4 on the 2 lowest
-           bands  */
-        n=((i<=2?2:1)*freq*10L)/(XTAL/100);
-        a=n%32; n/=32; if(a==0) n--;
-        pump=(freq<(osci[i-1]+osci[i])/2);
-        pll=0xf8000000|
-            ((pump?1:2)<<(14+11))|
-            ((n&0x1ff)<<(5+11))|
-            ((a&0x1f)<<11);
-        /* everything is shifted left 11 bits to left-align the bits in the
-           32bit word. Output to the tuner goes MSB-aligned, after all */
-        printk("cx24108 debug: pump=%d, n=%d, a=%d\n",pump,n,a);
-        cx24110_pll_write(fe,band);
-        /* set vga and vca to their widest-band settings, as a precaution.
-           SetSymbolrate might not be called to set this up */
-        cx24110_pll_write(fe,0x500c0000);
-        cx24110_pll_write(fe,0x83f1f800);
-        cx24110_pll_write(fe,pll);
+	printk("cx24108 debug: entering SetTunerFreq, freq=%d\n",freq);
+
+	/* This is really the bit driving the tuner chip cx24108 */
+
+	if(freq<950000) freq=950000; /* kHz */
+	if(freq>2150000) freq=2150000; /* satellite IF is 950..2150MHz */
+
+	/* decide which VCO to use for the input frequency */
+	for(i=1;(i<sizeof(osci)/sizeof(osci[0]))&&(osci[i]<freq);i++);
+	printk("cx24108 debug: select vco #%d (f=%d)\n",i,freq);
+	band=bandsel[i];
+	/* the gain values must be set by SetSymbolrate */
+	/* compute the pll divider needed, from Conexant data sheet,
+	   resolved for (n*32+a), remember f(vco) is f(receive) *2 or *4,
+	   depending on the divider bit. It is set to /4 on the 2 lowest
+	   bands  */
+	n=((i<=2?2:1)*freq*10L)/(XTAL/100);
+	a=n%32; n/=32; if(a==0) n--;
+	pump=(freq<(osci[i-1]+osci[i])/2);
+	pll=0xf8000000|
+	    ((pump?1:2)<<(14+11))|
+	    ((n&0x1ff)<<(5+11))|
+	    ((a&0x1f)<<11);
+	/* everything is shifted left 11 bits to left-align the bits in the
+	   32bit word. Output to the tuner goes MSB-aligned, after all */
+	printk("cx24108 debug: pump=%d, n=%d, a=%d\n",pump,n,a);
+	cx24110_pll_write(fe,band);
+	/* set vga and vca to their widest-band settings, as a precaution.
+	   SetSymbolrate might not be called to set this up */
+	cx24110_pll_write(fe,0x500c0000);
+	cx24110_pll_write(fe,0x83f1f800);
+	cx24110_pll_write(fe,pll);
 /*        writereg(client,0x56,0x7f);*/
 
 	return 0;
@@ -299,7 +299,7 @@ static int advbt771_samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
 	static u8 mt352_reset [] = { 0x50, 0x80 };
 	static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 	static u8 mt352_agc_cfg [] = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
-	                               0x00, 0xFF, 0x00, 0x40, 0x40 };
+				       0x00, 0xFF, 0x00, 0x40, 0x40 };
 	static u8 mt352_av771_extra[] = { 0xB5, 0x7A };
 	static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
 
@@ -463,6 +463,9 @@ static struct nxt6000_config vp3021_alps_tded4_config = {
 
 static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 {
+	int ret;
+	struct dst_state* state = NULL;
+
 	switch(type) {
 #ifdef BTTV_DVICO_DVBT_LITE
 	case BTTV_DVICO_DVBT_LITE:
@@ -503,7 +506,25 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 		break;
 
 	case BTTV_TWINHAN_DST:
-		card->fe = dst_attach(&dst_config, card->i2c_adapter, card->bt);
+		/*	DST is not a frontend driver !!!		*/
+		state = (struct dst_state *) kmalloc(sizeof (struct dst_state), GFP_KERNEL);
+		/*	Setup the Card					*/
+		state->config = &dst_config;
+		state->i2c = card->i2c_adapter;
+		state->bt = card->bt;
+
+		/*	DST is not a frontend, attaching the ASIC	*/
+		if ((dst_attach(state, &card->dvb_adapter)) == NULL) {
+			printk("%s: Could not find a Twinhan DST.\n", __FUNCTION__);
+			break;
+		}
+		card->fe = &state->frontend;
+
+		/*	Attach other DST peripherals if any		*/
+		/*	Conditional Access device			*/
+		if (state->dst_hw_cap & DST_TYPE_HAS_CA) {
+			ret = dst_ca_attach(state, &card->dvb_adapter);
+		}
 		if (card->fe != NULL) {
 			break;
 		}
@@ -531,7 +552,7 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 		       card->bt->dev->subsystem_vendor,
 		       card->bt->dev->subsystem_device);
 	} else {
-		if (dvb_register_frontend(card->dvb_adapter, card->fe)) {
+		if (dvb_register_frontend(&card->dvb_adapter, card->fe)) {
 			printk("dvb-bt8xx: Frontend registration failed!\n");
 			if (card->fe->ops->release)
 				card->fe->ops->release(card->fe);
@@ -550,7 +571,7 @@ static int __init dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
 		return result;
 
 	}
-	card->dvb_adapter->priv = card;
+	card->dvb_adapter.priv = card;
 
 	card->bt->adapter = card->i2c_adapter;
 
@@ -568,7 +589,7 @@ static int __init dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
 	if ((result = dvb_dmx_init(&card->demux)) < 0) {
 		printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 
-		dvb_unregister_adapter(card->dvb_adapter);
+		dvb_unregister_adapter(&card->dvb_adapter);
 		return result;
 	}
 
@@ -576,11 +597,11 @@ static int __init dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
 	card->dmxdev.demux = &card->demux.dmx;
 	card->dmxdev.capabilities = 0;
 
-	if ((result = dvb_dmxdev_init(&card->dmxdev, card->dvb_adapter)) < 0) {
+	if ((result = dvb_dmxdev_init(&card->dmxdev, &card->dvb_adapter)) < 0) {
 		printk("dvb_bt8xx: dvb_dmxdev_init failed (errno = %d)\n", result);
 
 		dvb_dmx_release(&card->demux);
-		dvb_unregister_adapter(card->dvb_adapter);
+		dvb_unregister_adapter(&card->dvb_adapter);
 		return result;
 	}
 
@@ -591,7 +612,7 @@ static int __init dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
 
 		dvb_dmxdev_release(&card->dmxdev);
 		dvb_dmx_release(&card->demux);
-		dvb_unregister_adapter(card->dvb_adapter);
+		dvb_unregister_adapter(&card->dvb_adapter);
 		return result;
 	}
 
@@ -603,7 +624,7 @@ static int __init dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
 		card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 		dvb_dmxdev_release(&card->dmxdev);
 		dvb_dmx_release(&card->demux);
-		dvb_unregister_adapter(card->dvb_adapter);
+		dvb_unregister_adapter(&card->dvb_adapter);
 		return result;
 	}
 
@@ -614,11 +635,11 @@ static int __init dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
 		card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 		dvb_dmxdev_release(&card->dmxdev);
 		dvb_dmx_release(&card->demux);
-		dvb_unregister_adapter(card->dvb_adapter);
+		dvb_unregister_adapter(&card->dvb_adapter);
 		return result;
 	}
 
-	dvb_net_init(card->dvb_adapter, &card->dvbnet, &card->demux.dmx);
+	dvb_net_init(&card->dvb_adapter, &card->dvbnet, &card->demux.dmx);
 
 	tasklet_init(&card->bt->tasklet, dvb_bt8xx_task, (unsigned long) card);
 
@@ -648,7 +669,7 @@ static int dvb_bt8xx_probe(struct device *dev)
 	case BTTV_PINNACLESAT:
 		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. */
+			      BT878_DA_IOM=1,BT878_DA_APP to enable serial highspeed mode. */
 		card->op_sync_orin = 0;
 		card->irq_err_ignore = 0;
 		break;
@@ -759,7 +780,7 @@ static int dvb_bt8xx_remove(struct device *dev)
 	dvb_dmxdev_release(&card->dmxdev);
 	dvb_dmx_release(&card->demux);
 	if (card->fe) dvb_unregister_frontend(card->fe);
-	dvb_unregister_adapter(card->dvb_adapter);
+	dvb_unregister_adapter(&card->dvb_adapter);
 
 	kfree(card);
 
diff --git a/drivers/media/dvb/bt8xx/dvb-bt8xx.h b/drivers/media/dvb/bt8xx/dvb-bt8xx.h
index 80ef189f930..2923b3b0dd3 100644
--- a/drivers/media/dvb/bt8xx/dvb-bt8xx.h
+++ b/drivers/media/dvb/bt8xx/dvb-bt8xx.h
@@ -31,7 +31,7 @@
 #include "bttv.h"
 #include "mt352.h"
 #include "sp887x.h"
-#include "dst.h"
+#include "dst_common.h"
 #include "nxt6000.h"
 #include "cx24110.h"
 #include "or51211.h"
@@ -40,7 +40,7 @@ struct dvb_bt8xx_card {
 	struct semaphore lock;
 	int nfeeds;
 	char card_name[32];
-	struct dvb_adapter *dvb_adapter;
+	struct dvb_adapter dvb_adapter;
 	struct bt878 *bt;
 	unsigned int bttv_nr;
 	struct dvb_demux demux;
diff --git a/drivers/media/dvb/cinergyT2/cinergyT2.c b/drivers/media/dvb/cinergyT2/cinergyT2.c
index 28d4d926de3..96c57fde95a 100644
--- a/drivers/media/dvb/cinergyT2/cinergyT2.c
+++ b/drivers/media/dvb/cinergyT2/cinergyT2.c
@@ -119,7 +119,7 @@ struct cinergyt2 {
 	struct dvb_demux demux;
 	struct usb_device *udev;
 	struct semaphore sem;
-	struct dvb_adapter *adapter;
+	struct dvb_adapter adapter;
 	struct dvb_device *fedev;
 	struct dmxdev dmxdev;
 	struct dvb_net dvbnet;
@@ -813,15 +813,15 @@ static int cinergyt2_probe (struct usb_interface *intf,
 	cinergyt2->dmxdev.demux = &cinergyt2->demux.dmx;
 	cinergyt2->dmxdev.capabilities = 0;
 
-	if ((err = dvb_dmxdev_init(&cinergyt2->dmxdev, cinergyt2->adapter)) < 0) {
+	if ((err = dvb_dmxdev_init(&cinergyt2->dmxdev, &cinergyt2->adapter)) < 0) {
 		dprintk(1, "dvb_dmxdev_init() failed (err = %d)\n", err);
 		goto bailout;
 	}
 
-	if (dvb_net_init(cinergyt2->adapter, &cinergyt2->dvbnet, &cinergyt2->demux.dmx))
+	if (dvb_net_init(&cinergyt2->adapter, &cinergyt2->dvbnet, &cinergyt2->demux.dmx))
 		dprintk(1, "dvb_net_init() failed!\n");
 
-	dvb_register_device(cinergyt2->adapter, &cinergyt2->fedev,
+	dvb_register_device(&cinergyt2->adapter, &cinergyt2->fedev,
 			    &cinergyt2_fe_template, cinergyt2,
 			    DVB_DEVICE_FRONTEND);
 
@@ -848,7 +848,7 @@ static int cinergyt2_probe (struct usb_interface *intf,
 bailout:
 	dvb_dmxdev_release(&cinergyt2->dmxdev);
 	dvb_dmx_release(&cinergyt2->demux);
-	dvb_unregister_adapter (cinergyt2->adapter);
+	dvb_unregister_adapter (&cinergyt2->adapter);
 	cinergyt2_free_stream_urbs (cinergyt2);
 	kfree(cinergyt2);
 	return -ENOMEM;
@@ -872,7 +872,7 @@ static void cinergyt2_disconnect (struct usb_interface *intf)
 	dvb_dmxdev_release(&cinergyt2->dmxdev);
 	dvb_dmx_release(&cinergyt2->demux);
 	dvb_unregister_device(cinergyt2->fedev);
-	dvb_unregister_adapter(cinergyt2->adapter);
+	dvb_unregister_adapter(&cinergyt2->adapter);
 
 	cinergyt2_free_stream_urbs(cinergyt2);
 	up(&cinergyt2->sem);
diff --git a/drivers/media/dvb/dibusb/dvb-dibusb-dvb.c b/drivers/media/dvb/dibusb/dvb-dibusb-dvb.c
index 04e54ec093f..400b439e804 100644
--- a/drivers/media/dvb/dibusb/dvb-dibusb-dvb.c
+++ b/drivers/media/dvb/dibusb/dvb-dibusb-dvb.c
@@ -131,7 +131,7 @@ int dibusb_dvb_init(struct usb_dibusb *dib)
 		deb_info("dvb_register_adapter failed: error %d", ret);
 		goto err;
 	}
-	dib->adapter->priv = dib;
+	dib->adapter.priv = dib;
 	
 /* i2c is done in dibusb_i2c_init */
 	
@@ -151,18 +151,18 @@ int dibusb_dvb_init(struct usb_dibusb *dib)
 	dib->dmxdev.filternum = dib->demux.filternum;
 	dib->dmxdev.demux = &dib->demux.dmx;
 	dib->dmxdev.capabilities = 0;
-	if ((ret = dvb_dmxdev_init(&dib->dmxdev, dib->adapter)) < 0) {
+	if ((ret = dvb_dmxdev_init(&dib->dmxdev, &dib->adapter)) < 0) {
 		err("dvb_dmxdev_init failed: error %d",ret);
 		goto err_dmx_dev;
 	}
 
-	dvb_net_init(dib->adapter, &dib->dvb_net, &dib->demux.dmx);
+	dvb_net_init(&dib->adapter, &dib->dvb_net, &dib->demux.dmx);
 
 	goto success;
 err_dmx_dev:
 	dvb_dmx_release(&dib->demux);
 err_dmx:
-	dvb_unregister_adapter(dib->adapter);
+	dvb_unregister_adapter(&dib->adapter);
 err:
 	return ret;
 success:
@@ -179,7 +179,7 @@ int dibusb_dvb_exit(struct usb_dibusb *dib)
 		dib->demux.dmx.close(&dib->demux.dmx);
 		dvb_dmxdev_release(&dib->dmxdev);
 		dvb_dmx_release(&dib->demux);
-		dvb_unregister_adapter(dib->adapter);
+		dvb_unregister_adapter(&dib->adapter);
 	}
 	return 0;
 }
diff --git a/drivers/media/dvb/dibusb/dvb-dibusb-fe-i2c.c b/drivers/media/dvb/dibusb/dvb-dibusb-fe-i2c.c
index 2ed89488c7c..5a71b88797d 100644
--- a/drivers/media/dvb/dibusb/dvb-dibusb-fe-i2c.c
+++ b/drivers/media/dvb/dibusb/dvb-dibusb-fe-i2c.c
@@ -183,7 +183,7 @@ int dibusb_fe_init(struct usb_dibusb* dib)
 		       dib->dibdev->name);
 		return -ENODEV;
 	} else {
-		if (dvb_register_frontend(dib->adapter, dib->fe)) {
+		if (dvb_register_frontend(&dib->adapter, dib->fe)) {
 			err("Frontend registration failed.");
 			if (dib->fe->ops->release)
 				dib->fe->ops->release(dib->fe);
@@ -206,7 +206,7 @@ int dibusb_i2c_init(struct usb_dibusb *dib)
 {
 	int ret = 0;
 
-	dib->adapter->priv = dib;
+	dib->adapter.priv = dib;
 
 	strncpy(dib->i2c_adap.name,dib->dibdev->name,I2C_NAME_SIZE);
 #ifdef I2C_ADAP_CLASS_TV_DIGITAL
diff --git a/drivers/media/dvb/dibusb/dvb-dibusb.h b/drivers/media/dvb/dibusb/dvb-dibusb.h
index 52cd35dd9d8..c965b64fb1a 100644
--- a/drivers/media/dvb/dibusb/dvb-dibusb.h
+++ b/drivers/media/dvb/dibusb/dvb-dibusb.h
@@ -181,7 +181,7 @@ struct usb_dibusb {
 	struct semaphore i2c_sem;
 
 	/* dvb */
-	struct dvb_adapter *adapter;
+	struct dvb_adapter adapter;
 	struct dmxdev dmxdev;
 	struct dvb_demux demux;
 	struct dvb_net dvb_net;
diff --git a/drivers/media/dvb/dvb-core/dmxdev.c b/drivers/media/dvb/dvb-core/dmxdev.c
index 1863f1dfb00..c225de7ffd8 100644
--- a/drivers/media/dvb/dvb-core/dmxdev.c
+++ b/drivers/media/dvb/dvb-core/dmxdev.c
@@ -175,8 +175,8 @@ static inline void dvb_dmxdev_dvr_state_set(struct dmxdev_dvr *dmxdevdvr, int st
 
 static int dvb_dvr_open(struct inode *inode, struct file *file)
 {
-	struct dvb_device *dvbdev=(struct dvb_device *) file->private_data;
-	struct dmxdev *dmxdev=(struct dmxdev *) dvbdev->priv;
+	struct dvb_device *dvbdev = file->private_data;
+	struct dmxdev *dmxdev = dvbdev->priv;
 	struct dmx_frontend *front;
 
 	dprintk ("function : %s\n", __FUNCTION__);
@@ -224,8 +224,8 @@ static int dvb_dvr_open(struct inode *inode, struct file *file)
 
 static int dvb_dvr_release(struct inode *inode, struct file *file)
 {
-	struct dvb_device *dvbdev=(struct dvb_device *) file->private_data;
-	struct dmxdev *dmxdev=(struct dmxdev *) dvbdev->priv;
+	struct dvb_device *dvbdev = file->private_data;
+	struct dmxdev *dmxdev = dvbdev->priv;
 
 	if (down_interruptible (&dmxdev->mutex))
 		return -ERESTARTSYS;
@@ -252,8 +252,8 @@ 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)
 {
-	struct dvb_device *dvbdev=(struct dvb_device *) file->private_data;
-	struct dmxdev *dmxdev=(struct dmxdev *) dvbdev->priv;
+	struct dvb_device *dvbdev = file->private_data;
+	struct dmxdev *dmxdev = dvbdev->priv;
 	int ret;
 
 	if (!dmxdev->demux->write)
@@ -270,8 +270,8 @@ static ssize_t dvb_dvr_write(struct file *file, const char __user *buf,
 static ssize_t dvb_dvr_read(struct file *file, char __user *buf, size_t count,
 		loff_t *ppos)
 {
-	struct dvb_device *dvbdev=(struct dvb_device *) file->private_data;
-	struct dmxdev *dmxdev=(struct dmxdev *) dvbdev->priv;
+	struct dvb_device *dvbdev = file->private_data;
+	struct dmxdev *dmxdev = dvbdev->priv;
 	int ret;
 
 	//down(&dmxdev->mutex);
@@ -345,7 +345,7 @@ 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)
 {
-	struct dmxdev_filter *dmxdevfilter=(struct dmxdev_filter *) filter->priv;
+	struct dmxdev_filter *dmxdevfilter = filter->priv;
 	int ret;
 
 	if (dmxdevfilter->buffer.error) {
@@ -381,7 +381,7 @@ 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)
 {
-	struct dmxdev_filter *dmxdevfilter=(struct dmxdev_filter *) feed->priv;
+	struct dmxdev_filter *dmxdevfilter = feed->priv;
 	struct dmxdev_buffer *buffer;
 	int ret;
 
@@ -684,8 +684,8 @@ static int dvb_dmxdev_filter_start(struct dmxdev_filter *filter)
 
 static int dvb_demux_open(struct inode *inode, struct file *file)
 {
-	struct dvb_device *dvbdev=(struct dvb_device *) file->private_data;
-	struct dmxdev *dmxdev=(struct dmxdev *) dvbdev->priv;
+	struct dvb_device *dvbdev = file->private_data;
+	struct dmxdev *dmxdev = dvbdev->priv;
 	int i;
 	struct dmxdev_filter *dmxdevfilter;
 
@@ -1013,8 +1013,8 @@ static struct dvb_device dvbdev_demux = {
 static int dvb_dvr_do_ioctl(struct inode *inode, struct file *file,
 		     unsigned int cmd, void *parg)
 {
-	struct dvb_device *dvbdev=(struct dvb_device *) file->private_data;
-	struct dmxdev *dmxdev=(struct dmxdev *) dvbdev->priv;
+	struct dvb_device *dvbdev = file->private_data;
+	struct dmxdev *dmxdev = dvbdev->priv;
 
 	int ret=0;
 
@@ -1044,8 +1044,8 @@ static int dvb_dvr_ioctl(struct inode *inode, struct file *file,
 
 static unsigned int dvb_dvr_poll (struct file *file, poll_table *wait)
 {
-	struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
-	struct dmxdev *dmxdev = (struct dmxdev *) dvbdev->priv;
+	struct dvb_device *dvbdev = file->private_data;
+	struct dmxdev *dmxdev = dvbdev->priv;
 	unsigned int mask = 0;
 
 	dprintk ("function : %s\n", __FUNCTION__);
diff --git a/drivers/media/dvb/dvb-core/dvb_ca_en50221.c b/drivers/media/dvb/dvb-core/dvb_ca_en50221.c
index c1ea89f2880..0eb9aa711fb 100644
--- a/drivers/media/dvb/dvb-core/dvb_ca_en50221.c
+++ b/drivers/media/dvb/dvb-core/dvb_ca_en50221.c
@@ -829,7 +829,7 @@ EXPORT_SYMBOL(dvb_ca_en50221_camready_irq);
  */
 void dvb_ca_en50221_camchange_irq(struct dvb_ca_en50221 *pubca, int slot, int change_type)
 {
-	struct dvb_ca_private *ca = (struct dvb_ca_private *) pubca->private;
+	struct dvb_ca_private *ca = pubca->private;
 
 	dprintk("CAMCHANGE IRQ slot:%i change_type:%i\n", slot, change_type);
 
@@ -857,7 +857,7 @@ EXPORT_SYMBOL(dvb_ca_en50221_frda_irq);
  */
 void dvb_ca_en50221_camready_irq(struct dvb_ca_en50221 *pubca, int slot)
 {
-	struct dvb_ca_private *ca = (struct dvb_ca_private *) pubca->private;
+	struct dvb_ca_private *ca = pubca->private;
 
 	dprintk("CAMREADY IRQ slot:%i\n", slot);
 
@@ -876,7 +876,7 @@ void dvb_ca_en50221_camready_irq(struct dvb_ca_en50221 *pubca, int slot)
  */
 void dvb_ca_en50221_frda_irq(struct dvb_ca_en50221 *pubca, int slot)
 {
-	struct dvb_ca_private *ca = (struct dvb_ca_private *) pubca->private;
+	struct dvb_ca_private *ca = pubca->private;
 	int flags;
 
 	dprintk("FR/DA IRQ slot:%i\n", slot);
@@ -993,7 +993,7 @@ static void dvb_ca_en50221_thread_update_delay(struct dvb_ca_private *ca)
  */
 static int dvb_ca_en50221_thread(void *data)
 {
-	struct dvb_ca_private *ca = (struct dvb_ca_private *) data;
+	struct dvb_ca_private *ca = data;
 	char name[15];
 	int slot;
 	int flags;
@@ -1202,8 +1202,8 @@ static int dvb_ca_en50221_thread(void *data)
 static int dvb_ca_en50221_io_do_ioctl(struct inode *inode, struct file *file,
 				      unsigned int cmd, void *parg)
 {
-	struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
-	struct dvb_ca_private *ca = (struct dvb_ca_private *) dvbdev->priv;
+	struct dvb_device *dvbdev = file->private_data;
+	struct dvb_ca_private *ca = dvbdev->priv;
 	int err = 0;
 	int slot;
 
@@ -1225,7 +1225,7 @@ static int dvb_ca_en50221_io_do_ioctl(struct inode *inode, struct file *file,
 		break;
 
 	case CA_GET_CAP: {
-		struct ca_caps *caps = (struct ca_caps *) parg;
+		struct ca_caps *caps = parg;
 
 		caps->slot_num = ca->slot_count;
 		caps->slot_type = CA_CI_LINK;
@@ -1235,7 +1235,7 @@ static int dvb_ca_en50221_io_do_ioctl(struct inode *inode, struct file *file,
 	}
 
 	case CA_GET_SLOT_INFO: {
-		struct ca_slot_info *info = (struct ca_slot_info *) parg;
+		struct ca_slot_info *info = parg;
 
 		if ((info->num > ca->slot_count) || (info->num < 0))
 			return -EINVAL;
@@ -1291,8 +1291,8 @@ static int dvb_ca_en50221_io_ioctl(struct inode *inode, struct file *file,
 static ssize_t dvb_ca_en50221_io_write(struct file *file,
 				       const char __user * buf, size_t count, loff_t * ppos)
 {
-	struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
-	struct dvb_ca_private *ca = (struct dvb_ca_private *) dvbdev->priv;
+	struct dvb_device *dvbdev = file->private_data;
+	struct dvb_ca_private *ca = dvbdev->priv;
 	u8 slot, connection_id;
 	int status;
 	char fragbuf[HOST_LINK_BUF_SIZE];
@@ -1428,8 +1428,8 @@ static int dvb_ca_en50221_io_read_condition(struct dvb_ca_private *ca, int *resu
 static ssize_t dvb_ca_en50221_io_read(struct file *file, char __user * buf,
 				      size_t count, loff_t * ppos)
 {
-	struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
-	struct dvb_ca_private *ca = (struct dvb_ca_private *) dvbdev->priv;
+	struct dvb_device *dvbdev = file->private_data;
+	struct dvb_ca_private *ca = dvbdev->priv;
 	int status;
 	int result = 0;
 	u8 hdr[2];
@@ -1526,8 +1526,8 @@ static ssize_t dvb_ca_en50221_io_read(struct file *file, char __user * buf,
  */
 static int dvb_ca_en50221_io_open(struct inode *inode, struct file *file)
 {
-	struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
-	struct dvb_ca_private *ca = (struct dvb_ca_private *) dvbdev->priv;
+	struct dvb_device *dvbdev = file->private_data;
+	struct dvb_ca_private *ca = dvbdev->priv;
 	int err;
 	int i;
 
@@ -1569,8 +1569,8 @@ static int dvb_ca_en50221_io_open(struct inode *inode, struct file *file)
  */
 static int dvb_ca_en50221_io_release(struct inode *inode, struct file *file)
 {
-	struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
-	struct dvb_ca_private *ca = (struct dvb_ca_private *) dvbdev->priv;
+	struct dvb_device *dvbdev = file->private_data;
+	struct dvb_ca_private *ca = dvbdev->priv;
 	int err = 0;
 
 	dprintk("%s\n", __FUNCTION__);
@@ -1597,8 +1597,8 @@ static int dvb_ca_en50221_io_release(struct inode *inode, struct file *file)
  */
 static unsigned int dvb_ca_en50221_io_poll(struct file *file, poll_table * wait)
 {
-	struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
-	struct dvb_ca_private *ca = (struct dvb_ca_private *) dvbdev->priv;
+	struct dvb_device *dvbdev = file->private_data;
+	struct dvb_ca_private *ca = dvbdev->priv;
 	unsigned int mask = 0;
 	int slot;
 	int result = 0;
@@ -1750,7 +1750,7 @@ EXPORT_SYMBOL(dvb_ca_en50221_release);
  */
 void dvb_ca_en50221_release(struct dvb_ca_en50221 *pubca)
 {
-	struct dvb_ca_private *ca = (struct dvb_ca_private *) pubca->private;
+	struct dvb_ca_private *ca = pubca->private;
 	int i;
 
 	dprintk("%s\n", __FUNCTION__);
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index 59a9adfae1e..d19301d90a0 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -48,7 +48,7 @@ static int dvb_override_tune_delay;
 static int dvb_powerdown_on_sleep = 1;
 
 module_param_named(frontend_debug, dvb_frontend_debug, int, 0644);
-MODULE_PARM_DESC(dvb_frontend_debug, "Turn on/off frontend core debugging (default:off).");
+MODULE_PARM_DESC(frontend_debug, "Turn on/off frontend core debugging (default:off).");
 module_param(dvb_shutdown_timeout, int, 0444);
 MODULE_PARM_DESC(dvb_shutdown_timeout, "wait <shutdown_timeout> seconds after close() before suspending hardware");
 module_param(dvb_force_auto_inversion, int, 0444);
@@ -117,7 +117,7 @@ struct dvb_frontend_private {
 
 static void dvb_frontend_add_event(struct dvb_frontend *fe, fe_status_t status)
 {
-	struct dvb_frontend_private *fepriv = (struct dvb_frontend_private*) fe->frontend_priv;
+	struct dvb_frontend_private *fepriv = fe->frontend_priv;
 	struct dvb_fe_events *events = &fepriv->events;
 	struct dvb_frontend_event *e;
 	int wp;
@@ -155,7 +155,7 @@ static void dvb_frontend_add_event(struct dvb_frontend *fe, fe_status_t status)
 static int dvb_frontend_get_event(struct dvb_frontend *fe,
 			    struct dvb_frontend_event *event, int flags)
 {
-	struct dvb_frontend_private *fepriv = (struct dvb_frontend_private*) fe->frontend_priv;
+	struct dvb_frontend_private *fepriv = fe->frontend_priv;
 	struct dvb_fe_events *events = &fepriv->events;
 
 	dprintk ("%s\n", __FUNCTION__);
@@ -234,7 +234,7 @@ static int dvb_frontend_autotune(struct dvb_frontend *fe, int check_wrapped)
 {
 	int autoinversion;
 	int ready = 0;
-	struct dvb_frontend_private *fepriv = (struct dvb_frontend_private*) fe->frontend_priv;
+	struct dvb_frontend_private *fepriv = fe->frontend_priv;
 	int original_inversion = fepriv->parameters.inversion;
 	u32 original_frequency = fepriv->parameters.frequency;
 
@@ -321,7 +321,7 @@ static int dvb_frontend_autotune(struct dvb_frontend *fe, int check_wrapped)
 
 static int dvb_frontend_is_exiting(struct dvb_frontend *fe)
 {
-	struct dvb_frontend_private *fepriv = (struct dvb_frontend_private*) fe->frontend_priv;
+	struct dvb_frontend_private *fepriv = fe->frontend_priv;
 
 	if (fepriv->exit)
 		return 1;
@@ -335,7 +335,7 @@ static int dvb_frontend_is_exiting(struct dvb_frontend *fe)
 
 static int dvb_frontend_should_wakeup(struct dvb_frontend *fe)
 {
-	struct dvb_frontend_private *fepriv = (struct dvb_frontend_private*) fe->frontend_priv;
+	struct dvb_frontend_private *fepriv = fe->frontend_priv;
 
 	if (fepriv->wakeup) {
 		fepriv->wakeup = 0;
@@ -346,7 +346,7 @@ static int dvb_frontend_should_wakeup(struct dvb_frontend *fe)
 
 static void dvb_frontend_wakeup(struct dvb_frontend *fe)
 {
-	struct dvb_frontend_private *fepriv = (struct dvb_frontend_private*) fe->frontend_priv;
+	struct dvb_frontend_private *fepriv = fe->frontend_priv;
 
 	fepriv->wakeup = 1;
 	wake_up_interruptible(&fepriv->wait_queue);
@@ -357,8 +357,8 @@ static void dvb_frontend_wakeup(struct dvb_frontend *fe)
  */
 static int dvb_frontend_thread(void *data)
 {
-	struct dvb_frontend *fe = (struct dvb_frontend *) data;
-	struct dvb_frontend_private *fepriv = (struct dvb_frontend_private*) fe->frontend_priv;
+	struct dvb_frontend *fe = data;
+	struct dvb_frontend_private *fepriv = fe->frontend_priv;
 	unsigned long timeout;
 	char name [15];
 	int quality = 0, delay = 3*HZ;
@@ -520,7 +520,7 @@ static int dvb_frontend_thread(void *data)
 static void dvb_frontend_stop(struct dvb_frontend *fe)
 {
 	unsigned long ret;
-	struct dvb_frontend_private *fepriv = (struct dvb_frontend_private*) fe->frontend_priv;
+	struct dvb_frontend_private *fepriv = fe->frontend_priv;
 
 	dprintk ("%s\n", __FUNCTION__);
 
@@ -559,7 +559,7 @@ static void dvb_frontend_stop(struct dvb_frontend *fe)
 static int dvb_frontend_start(struct dvb_frontend *fe)
 {
 	int ret;
-	struct dvb_frontend_private *fepriv = (struct dvb_frontend_private*) fe->frontend_priv;
+	struct dvb_frontend_private *fepriv = fe->frontend_priv;
 
 	dprintk ("%s\n", __FUNCTION__);
 
@@ -597,7 +597,7 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file,
 {
 	struct dvb_device *dvbdev = file->private_data;
 	struct dvb_frontend *fe = dvbdev->priv;
-	struct dvb_frontend_private *fepriv = (struct dvb_frontend_private*) fe->frontend_priv;
+	struct dvb_frontend_private *fepriv = fe->frontend_priv;
 	int err = -EOPNOTSUPP;
 
 	dprintk ("%s\n", __FUNCTION__);
@@ -615,7 +615,7 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file,
 
 	switch (cmd) {
 	case FE_GET_INFO: {
-		struct dvb_frontend_info* info = (struct dvb_frontend_info*) parg;
+		struct dvb_frontend_info* info = parg;
 		memcpy(info, &fe->ops->info, sizeof(struct dvb_frontend_info));
 
 		/* Force the CAN_INVERSION_AUTO bit on. If the frontend doesn't
@@ -793,7 +793,7 @@ static unsigned int dvb_frontend_poll(struct file *file, struct poll_table_struc
 {
 	struct dvb_device *dvbdev = file->private_data;
 	struct dvb_frontend *fe = dvbdev->priv;
-	struct dvb_frontend_private *fepriv = (struct dvb_frontend_private*) fe->frontend_priv;
+	struct dvb_frontend_private *fepriv = fe->frontend_priv;
 
 	dprintk ("%s\n", __FUNCTION__);
 
@@ -809,7 +809,7 @@ static int dvb_frontend_open(struct inode *inode, struct file *file)
 {
 	struct dvb_device *dvbdev = file->private_data;
 	struct dvb_frontend *fe = dvbdev->priv;
-	struct dvb_frontend_private *fepriv = (struct dvb_frontend_private*) fe->frontend_priv;
+	struct dvb_frontend_private *fepriv = fe->frontend_priv;
 	int ret;
 
 	dprintk ("%s\n", __FUNCTION__);
@@ -833,7 +833,7 @@ static int dvb_frontend_release(struct inode *inode, struct file *file)
 {
 	struct dvb_device *dvbdev = file->private_data;
 	struct dvb_frontend *fe = dvbdev->priv;
-	struct dvb_frontend_private *fepriv = (struct dvb_frontend_private*) fe->frontend_priv;
+	struct dvb_frontend_private *fepriv = fe->frontend_priv;
 
 	dprintk ("%s\n", __FUNCTION__);
 
@@ -873,7 +873,7 @@ int dvb_register_frontend(struct dvb_adapter* dvb,
 		up(&frontend_mutex);
 		return -ENOMEM;
 	}
-	fepriv = (struct dvb_frontend_private*) fe->frontend_priv;
+	fepriv = fe->frontend_priv;
 	memset(fe->frontend_priv, 0, sizeof(struct dvb_frontend_private));
 
 	init_MUTEX (&fepriv->sem);
@@ -897,7 +897,7 @@ EXPORT_SYMBOL(dvb_register_frontend);
 
 int dvb_unregister_frontend(struct dvb_frontend* fe)
 {
-	struct dvb_frontend_private *fepriv = (struct dvb_frontend_private*) fe->frontend_priv;
+	struct dvb_frontend_private *fepriv = fe->frontend_priv;
 	dprintk ("%s\n", __FUNCTION__);
 
 	down (&frontend_mutex);
diff --git a/drivers/media/dvb/dvb-core/dvb_net.c b/drivers/media/dvb/dvb-core/dvb_net.c
index 44892e7abd3..6a968c346a3 100644
--- a/drivers/media/dvb/dvb-core/dvb_net.c
+++ b/drivers/media/dvb/dvb-core/dvb_net.c
@@ -315,7 +315,7 @@ static inline void reset_ule( struct dvb_net_priv *p )
  */
 static void dvb_net_ule( struct net_device *dev, const u8 *buf, size_t buf_len )
 {
-	struct dvb_net_priv *priv = (struct dvb_net_priv *)dev->priv;
+	struct dvb_net_priv *priv = dev->priv;
 	unsigned long skipped = 0L;
 	u8 *ts, *ts_end, *from_where = NULL, ts_remain = 0, how_much = 0, new_ts = 1;
 	struct ethhdr *ethh = NULL;
@@ -709,7 +709,7 @@ static int dvb_net_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)
 {
-	struct net_device *dev = (struct net_device *)feed->priv;
+	struct net_device *dev = feed->priv;
 
 	if (buffer2 != 0)
 		printk(KERN_WARNING "buffer2 not 0: %p.\n", buffer2);
@@ -727,6 +727,7 @@ static void dvb_net_sec(struct net_device *dev, u8 *pkt, int pkt_len)
         u8 *eth;
         struct sk_buff *skb;
 	struct net_device_stats *stats = &(((struct dvb_net_priv *) dev->priv)->stats);
+	int snap = 0;
 
 	/* note: pkt_len includes a 32bit checksum */
 	if (pkt_len < 16) {
@@ -750,9 +751,12 @@ static void dvb_net_sec(struct net_device *dev, u8 *pkt, int pkt_len)
 		return;
 	}
 	if (pkt[5] & 0x02) {
-		//FIXME: handle LLC/SNAP
-                stats->rx_dropped++;
-                return;
+		/* handle LLC/SNAP, see rfc-1042 */
+		if (pkt_len < 24 || memcmp(&pkt[12], "\xaa\xaa\x03\0\0\0", 6)) {
+			stats->rx_dropped++;
+			return;
+		}
+		snap = 8;
         }
 	if (pkt[7]) {
 		/* FIXME: assemble datagram from multiple sections */
@@ -762,9 +766,9 @@ static void dvb_net_sec(struct net_device *dev, u8 *pkt, int pkt_len)
 	}
 
 	/* we have 14 byte ethernet header (ip header follows);
-	 * 12 byte MPE header; 4 byte checksum; + 2 byte alignment
+	 * 12 byte MPE header; 4 byte checksum; + 2 byte alignment, 8 byte LLC/SNAP
 	 */
-	if (!(skb = dev_alloc_skb(pkt_len - 4 - 12 + 14 + 2))) {
+	if (!(skb = dev_alloc_skb(pkt_len - 4 - 12 + 14 + 2 - snap))) {
 		//printk(KERN_NOTICE "%s: Memory squeeze, dropping packet.\n", dev->name);
 		stats->rx_dropped++;
 		return;
@@ -773,8 +777,8 @@ static void dvb_net_sec(struct net_device *dev, u8 *pkt, int pkt_len)
 	skb->dev = dev;
 
 	/* copy L3 payload */
-	eth = (u8 *) skb_put(skb, pkt_len - 12 - 4 + 14);
-	memcpy(eth + 14, pkt + 12, pkt_len - 12 - 4);
+	eth = (u8 *) skb_put(skb, pkt_len - 12 - 4 + 14 - snap);
+	memcpy(eth + 14, pkt + 12 + snap, pkt_len - 12 - 4 - snap);
 
 	/* create ethernet header: */
         eth[0]=pkt[0x0b];
@@ -786,8 +790,21 @@ static void dvb_net_sec(struct net_device *dev, u8 *pkt, int pkt_len)
 
         eth[6]=eth[7]=eth[8]=eth[9]=eth[10]=eth[11]=0;
 
-	eth[12] = 0x08;	/* ETH_P_IP */
-	eth[13] = 0x00;
+	if (snap) {
+		eth[12] = pkt[18];
+		eth[13] = pkt[19];
+	} else {
+		/* protocol numbers are from rfc-1700 or
+		 * http://www.iana.org/assignments/ethernet-numbers
+		 */
+		if (pkt[12] >> 4 == 6) { /* version field from IP header */
+			eth[12] = 0x86;	/* IPv6 */
+			eth[13] = 0xdd;
+		} else {
+			eth[12] = 0x08;	/* IPv4 */
+			eth[13] = 0x00;
+		}
+	}
 
 	skb->protocol = dvb_net_eth_type_trans(skb, dev);
 
@@ -801,7 +818,7 @@ static int dvb_net_sec_callback(const u8 *buffer1, size_t buffer1_len,
 		 struct dmx_section_filter *filter,
 		 enum dmx_success success)
 {
-        struct net_device *dev=(struct net_device *) filter->priv;
+        struct net_device *dev = filter->priv;
 
 	/**
 	 * we rely on the DVB API definition where exactly one complete
@@ -826,7 +843,7 @@ static int dvb_net_filter_sec_set(struct net_device *dev,
 		   struct dmx_section_filter **secfilter,
 		   u8 *mac, u8 *mac_mask)
 {
-	struct dvb_net_priv *priv = (struct dvb_net_priv*) dev->priv;
+	struct dvb_net_priv *priv = dev->priv;
 	int ret;
 
 	*secfilter=NULL;
@@ -870,7 +887,7 @@ static int dvb_net_filter_sec_set(struct net_device *dev,
 static int dvb_net_feed_start(struct net_device *dev)
 {
 	int ret, i;
-	struct dvb_net_priv *priv = (struct dvb_net_priv*) dev->priv;
+	struct dvb_net_priv *priv = dev->priv;
         struct dmx_demux *demux = priv->demux;
         unsigned char *mac = (unsigned char *) dev->dev_addr;
 
@@ -965,7 +982,7 @@ static int dvb_net_feed_start(struct net_device *dev)
 
 static int dvb_net_feed_stop(struct net_device *dev)
 {
-	struct dvb_net_priv *priv = (struct dvb_net_priv*) dev->priv;
+	struct dvb_net_priv *priv = dev->priv;
 	int i;
 
 	dprintk("%s\n", __FUNCTION__);
@@ -1016,7 +1033,7 @@ static int dvb_net_feed_stop(struct net_device *dev)
 
 static int dvb_set_mc_filter (struct net_device *dev, struct dev_mc_list *mc)
 {
-	struct dvb_net_priv *priv = (struct dvb_net_priv*) dev->priv;
+	struct dvb_net_priv *priv = dev->priv;
 
 	if (priv->multi_num == DVB_NET_MULTICAST_MAX)
 		return -ENOMEM;
@@ -1031,7 +1048,7 @@ static int dvb_set_mc_filter (struct net_device *dev, struct dev_mc_list *mc)
 static void wq_set_multicast_list (void *data)
 {
 	struct net_device *dev = data;
-	struct dvb_net_priv *priv = (struct dvb_net_priv*) dev->priv;
+	struct dvb_net_priv *priv = dev->priv;
 
 	dvb_net_feed_stop(dev);
 
@@ -1066,7 +1083,7 @@ static void wq_set_multicast_list (void *data)
 
 static void dvb_net_set_multicast_list (struct net_device *dev)
 {
-	struct dvb_net_priv *priv = (struct dvb_net_priv*) dev->priv;
+	struct dvb_net_priv *priv = dev->priv;
 	schedule_work(&priv->set_multicast_list_wq);
 }
 
@@ -1084,7 +1101,7 @@ static void wq_restart_net_feed (void *data)
 
 static int dvb_net_set_mac (struct net_device *dev, void *p)
 {
-	struct dvb_net_priv *priv = (struct dvb_net_priv*) dev->priv;
+	struct dvb_net_priv *priv = dev->priv;
 	struct sockaddr *addr=p;
 
 	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
@@ -1098,7 +1115,7 @@ static int dvb_net_set_mac (struct net_device *dev, void *p)
 
 static int dvb_net_open(struct net_device *dev)
 {
-	struct dvb_net_priv *priv = (struct dvb_net_priv*) dev->priv;
+	struct dvb_net_priv *priv = dev->priv;
 
 	priv->in_use++;
 	dvb_net_feed_start(dev);
@@ -1108,7 +1125,7 @@ static int dvb_net_open(struct net_device *dev)
 
 static int dvb_net_stop(struct net_device *dev)
 {
-	struct dvb_net_priv *priv = (struct dvb_net_priv*) dev->priv;
+	struct dvb_net_priv *priv = dev->priv;
 
 	priv->in_use--;
         return dvb_net_feed_stop(dev);
@@ -1228,8 +1245,8 @@ static int dvb_net_remove_if(struct dvb_net *dvbnet, unsigned int num)
 static int dvb_net_do_ioctl(struct inode *inode, struct file *file,
 		  unsigned int cmd, void *parg)
 {
-	struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
-	struct dvb_net *dvbnet = (struct dvb_net *) dvbdev->priv;
+	struct dvb_device *dvbdev = file->private_data;
+	struct dvb_net *dvbnet = dvbdev->priv;
 
 	if (((file->f_flags&O_ACCMODE)==O_RDONLY))
 		return -EPERM;
@@ -1237,7 +1254,7 @@ static int dvb_net_do_ioctl(struct inode *inode, struct file *file,
 	switch (cmd) {
 	case NET_ADD_IF:
 	{
-		struct dvb_net_if *dvbnetif=(struct dvb_net_if *)parg;
+		struct dvb_net_if *dvbnetif = parg;
 		int result;
 
 		if (!capable(CAP_SYS_ADMIN))
@@ -1258,7 +1275,7 @@ static int dvb_net_do_ioctl(struct inode *inode, struct file *file,
 	{
 		struct net_device *netdev;
 		struct dvb_net_priv *priv_data;
-		struct dvb_net_if *dvbnetif=(struct dvb_net_if *)parg;
+		struct dvb_net_if *dvbnetif = parg;
 
 		if (dvbnetif->if_num >= DVB_NET_DEVICES_MAX ||
 		    !dvbnet->state[dvbnetif->if_num])
@@ -1266,7 +1283,7 @@ static int dvb_net_do_ioctl(struct inode *inode, struct file *file,
 
 		netdev = dvbnet->device[dvbnetif->if_num];
 
-		priv_data=(struct dvb_net_priv*)netdev->priv;
+		priv_data = netdev->priv;
 		dvbnetif->pid=priv_data->pid;
 		dvbnetif->feedtype=priv_data->feedtype;
 		break;
@@ -1288,7 +1305,7 @@ static int dvb_net_do_ioctl(struct inode *inode, struct file *file,
 	/* binary compatiblity cruft */
 	case __NET_ADD_IF_OLD:
 	{
-		struct __dvb_net_if_old *dvbnetif=(struct __dvb_net_if_old *)parg;
+		struct __dvb_net_if_old *dvbnetif = parg;
 		int result;
 
 		if (!capable(CAP_SYS_ADMIN))
@@ -1309,7 +1326,7 @@ static int dvb_net_do_ioctl(struct inode *inode, struct file *file,
 	{
 		struct net_device *netdev;
 		struct dvb_net_priv *priv_data;
-		struct __dvb_net_if_old *dvbnetif=(struct __dvb_net_if_old *)parg;
+		struct __dvb_net_if_old *dvbnetif = parg;
 
 		if (dvbnetif->if_num >= DVB_NET_DEVICES_MAX ||
 		    !dvbnet->state[dvbnetif->if_num])
@@ -1317,7 +1334,7 @@ static int dvb_net_do_ioctl(struct inode *inode, struct file *file,
 
 		netdev = dvbnet->device[dvbnetif->if_num];
 
-		priv_data=(struct dvb_net_priv*)netdev->priv;
+		priv_data = netdev->priv;
 		dvbnetif->pid=priv_data->pid;
 		break;
 	}
diff --git a/drivers/media/dvb/dvb-core/dvbdev.c b/drivers/media/dvb/dvb-core/dvbdev.c
index cf4ffe38fda..9d9662f4b8e 100644
--- a/drivers/media/dvb/dvb-core/dvbdev.c
+++ b/drivers/media/dvb/dvb-core/dvbdev.c
@@ -286,9 +286,8 @@ skip:
 }
 
 
-int dvb_register_adapter(struct dvb_adapter **padap, const char *name, struct module *module)
+int dvb_register_adapter(struct dvb_adapter *adap, const char *name, struct module *module)
 {
-	struct dvb_adapter *adap;
 	int num;
 
 	if (down_interruptible (&dvbdev_register_lock))
@@ -299,11 +298,6 @@ int dvb_register_adapter(struct dvb_adapter **padap, const char *name, struct mo
 		return -ENFILE;
 	}
 
-	if (!(*padap = adap = kmalloc(sizeof(struct dvb_adapter), GFP_KERNEL))) {
-		up(&dvbdev_register_lock);
-		return -ENOMEM;
-	}
-
 	memset (adap, 0, sizeof(struct dvb_adapter));
 	INIT_LIST_HEAD (&adap->device_list);
 
@@ -331,7 +325,6 @@ int dvb_unregister_adapter(struct dvb_adapter *adap)
 		return -ERESTARTSYS;
 	list_del (&adap->list_head);
 	up (&dvbdev_register_lock);
-	kfree (adap);
 	return 0;
 }
 EXPORT_SYMBOL(dvb_unregister_adapter);
diff --git a/drivers/media/dvb/dvb-core/dvbdev.h b/drivers/media/dvb/dvb-core/dvbdev.h
index 184edba3caa..a251867f30f 100644
--- a/drivers/media/dvb/dvb-core/dvbdev.h
+++ b/drivers/media/dvb/dvb-core/dvbdev.h
@@ -76,7 +76,7 @@ struct dvb_device {
 };
 
 
-extern int dvb_register_adapter (struct dvb_adapter **padap, const char *name, struct module *module);
+extern int dvb_register_adapter (struct dvb_adapter *adap, const char *name, struct module *module);
 extern int dvb_unregister_adapter (struct dvb_adapter *adap);
 
 extern int dvb_register_device (struct dvb_adapter *adap,
diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig
index 0bfd4df17d0..75fb556ec01 100644
--- a/drivers/media/dvb/frontends/Kconfig
+++ b/drivers/media/dvb/frontends/Kconfig
@@ -12,10 +12,10 @@ config DVB_STV0299
 
 config DVB_CX24110
 	tristate "Conexant CX24110 based"
- 	depends on DVB_CORE
- 	help
+	depends on DVB_CORE
+	help
 	  A DVB-S tuner module. Say Y when you want to support this frontend.
- 
+
 config DVB_TDA8083
 	tristate "Philips TDA8083 based"
 	depends on DVB_CORE
@@ -127,8 +127,8 @@ comment "DVB-C (cable) frontends"
 config DVB_ATMEL_AT76C651
 	tristate "Atmel AT76C651 based"
 	depends on DVB_CORE
-        help
- 	  A DVB-C tuner module. Say Y when you want to support this frontend.
+	help
+	  A DVB-C tuner module. Say Y when you want to support this frontend.
 
 config DVB_VES1820
 	tristate "VLSI VES1820 based"
@@ -158,10 +158,6 @@ config DVB_NXT2002
 	help
 	  An ATSC 8VSB tuner module. Say Y when you want to support this frontend.
 
-config DVB_OR51132
-	tristate "OR51132 based (pcHDTV)"
-	depends on DVB_CORE
-
 config DVB_OR51211
 	tristate "or51211 based (pcHDTV HD2000 card)"
 	depends on DVB_CORE
@@ -169,4 +165,12 @@ config DVB_OR51211
 	help
 	  An ATSC 8VSB tuner module. Say Y when you want to support this frontend.
 
+config DVB_OR51132
+	tristate "OR51132 based (pcHDTV HD3000 card)"
+	depends on DVB_CORE
+	select FW_LOADER
+	help
+	  An ATSC 8VSB and QAM64/256 tuner module. Say Y when you want
+	  to support this frontend.
+
 endmenu
diff --git a/drivers/media/dvb/frontends/at76c651.c b/drivers/media/dvb/frontends/at76c651.c
index ce2eaa1640e..72a2b5455b0 100644
--- a/drivers/media/dvb/frontends/at76c651.c
+++ b/drivers/media/dvb/frontends/at76c651.c
@@ -259,7 +259,7 @@ static int at76c651_set_parameters(struct dvb_frontend* fe,
 				   struct dvb_frontend_parameters *p)
 {
 	int ret;
-	struct at76c651_state* state = (struct at76c651_state*) fe->demodulator_priv;
+	struct at76c651_state* state = fe->demodulator_priv;
 
 	at76c651_writereg(state, 0x0c, 0xc3);
 	state->config->pll_set(fe, p);
@@ -276,7 +276,7 @@ static int at76c651_set_parameters(struct dvb_frontend* fe,
 
 static int at76c651_set_defaults(struct dvb_frontend* fe)
 {
-	struct at76c651_state* state = (struct at76c651_state*) fe->demodulator_priv;
+	struct at76c651_state* state = fe->demodulator_priv;
 
 	at76c651_set_symbol_rate(state, 6900000);
 	at76c651_set_qam(state, QAM_64);
@@ -294,7 +294,7 @@ static int at76c651_set_defaults(struct dvb_frontend* fe)
 
 static int at76c651_read_status(struct dvb_frontend* fe, fe_status_t* status)
 {
-	struct at76c651_state* state = (struct at76c651_state*) fe->demodulator_priv;
+	struct at76c651_state* state = fe->demodulator_priv;
 	u8 sync;
 
 	/*
@@ -319,7 +319,7 @@ static int at76c651_read_status(struct dvb_frontend* fe, fe_status_t* status)
 
 static int at76c651_read_ber(struct dvb_frontend* fe, u32* ber)
 {
-	struct at76c651_state* state = (struct at76c651_state*) fe->demodulator_priv;
+	struct at76c651_state* state = fe->demodulator_priv;
 
 	*ber = (at76c651_readreg(state, 0x81) & 0x0F) << 16;
 	*ber |= at76c651_readreg(state, 0x82) << 8;
@@ -331,7 +331,7 @@ static int at76c651_read_ber(struct dvb_frontend* fe, u32* ber)
 
 static int at76c651_read_signal_strength(struct dvb_frontend* fe, u16* strength)
 {
-	struct at76c651_state* state = (struct at76c651_state*) fe->demodulator_priv;
+	struct at76c651_state* state = fe->demodulator_priv;
 
 	u8 gain = ~at76c651_readreg(state, 0x91);
 	*strength = (gain << 8) | gain;
@@ -341,7 +341,7 @@ static int at76c651_read_signal_strength(struct dvb_frontend* fe, u16* strength)
 
 static int at76c651_read_snr(struct dvb_frontend* fe, u16* snr)
 {
-	struct at76c651_state* state = (struct at76c651_state*) fe->demodulator_priv;
+	struct at76c651_state* state = fe->demodulator_priv;
 
 	*snr = 0xFFFF -
 	    ((at76c651_readreg(state, 0x8F) << 8) |
@@ -352,7 +352,7 @@ static int at76c651_read_snr(struct dvb_frontend* fe, u16* snr)
 
 static int at76c651_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
 {
-	struct at76c651_state* state = (struct at76c651_state*) fe->demodulator_priv;
+	struct at76c651_state* state = fe->demodulator_priv;
 
 	*ucblocks = at76c651_readreg(state, 0x82);
 
@@ -369,7 +369,7 @@ static int at76c651_get_tune_settings(struct dvb_frontend* fe, struct dvb_fronte
 
 static void at76c651_release(struct dvb_frontend* fe)
 {
-	struct at76c651_state* state = (struct at76c651_state*) fe->demodulator_priv;
+	struct at76c651_state* state = fe->demodulator_priv;
 	kfree(state);
 }
 
@@ -381,7 +381,7 @@ struct dvb_frontend* at76c651_attach(const struct at76c651_config* config,
 	struct at76c651_state* state = NULL;
 
 	/* allocate memory for the internal state */
-	state = (struct at76c651_state*) kmalloc(sizeof(struct at76c651_state), GFP_KERNEL);
+	state = kmalloc(sizeof(struct at76c651_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
diff --git a/drivers/media/dvb/frontends/cx22700.c b/drivers/media/dvb/frontends/cx22700.c
index a212279042b..0c2ed443861 100644
--- a/drivers/media/dvb/frontends/cx22700.c
+++ b/drivers/media/dvb/frontends/cx22700.c
@@ -232,7 +232,7 @@ static int cx22700_get_tps (struct cx22700_state* state, struct dvb_ofdm_paramet
 
 static int cx22700_init (struct dvb_frontend* fe)
 
-{	struct cx22700_state* state = (struct cx22700_state*) fe->demodulator_priv;
+{	struct cx22700_state* state = fe->demodulator_priv;
 	int i;
 
 	dprintk("cx22700_init: init chip\n");
@@ -258,7 +258,7 @@ static int cx22700_init (struct dvb_frontend* fe)
 
 static int cx22700_read_status(struct dvb_frontend* fe, fe_status_t* status)
 {
-	struct cx22700_state* state = (struct cx22700_state*) fe->demodulator_priv;
+	struct cx22700_state* state = fe->demodulator_priv;
 
 	u16 rs_ber = (cx22700_readreg (state, 0x0d) << 9)
 		   | (cx22700_readreg (state, 0x0e) << 1);
@@ -286,7 +286,7 @@ static int cx22700_read_status(struct dvb_frontend* fe, fe_status_t* status)
 
 static int cx22700_read_ber(struct dvb_frontend* fe, u32* ber)
 {
-	struct cx22700_state* state = (struct cx22700_state*) fe->demodulator_priv;
+	struct cx22700_state* state = fe->demodulator_priv;
 
 	*ber = cx22700_readreg (state, 0x0c) & 0x7f;
 	cx22700_writereg (state, 0x0c, 0x00);
@@ -296,7 +296,7 @@ static int cx22700_read_ber(struct dvb_frontend* fe, u32* ber)
 
 static int cx22700_read_signal_strength(struct dvb_frontend* fe, u16* signal_strength)
 {
-	struct cx22700_state* state = (struct cx22700_state*) fe->demodulator_priv;
+	struct cx22700_state* state = fe->demodulator_priv;
 
 	u16 rs_ber = (cx22700_readreg (state, 0x0d) << 9)
 		   | (cx22700_readreg (state, 0x0e) << 1);
@@ -307,7 +307,7 @@ static int cx22700_read_signal_strength(struct dvb_frontend* fe, u16* signal_str
 
 static int cx22700_read_snr(struct dvb_frontend* fe, u16* snr)
 {
-	struct cx22700_state* state = (struct cx22700_state*) fe->demodulator_priv;
+	struct cx22700_state* state = fe->demodulator_priv;
 
 	u16 rs_ber = (cx22700_readreg (state, 0x0d) << 9)
 		   | (cx22700_readreg (state, 0x0e) << 1);
@@ -318,7 +318,7 @@ static int cx22700_read_snr(struct dvb_frontend* fe, u16* snr)
 
 static int cx22700_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
 {
-	struct cx22700_state* state = (struct cx22700_state*) fe->demodulator_priv;
+	struct cx22700_state* state = fe->demodulator_priv;
 
 	*ucblocks = cx22700_readreg (state, 0x0f);
 	cx22700_writereg (state, 0x0f, 0x00);
@@ -328,7 +328,7 @@ static int cx22700_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
 
 static int cx22700_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
 {
-	struct cx22700_state* state = (struct cx22700_state*) fe->demodulator_priv;
+	struct cx22700_state* state = fe->demodulator_priv;
 
 	cx22700_writereg (state, 0x00, 0x02); /* XXX CHECKME: soft reset*/
 	cx22700_writereg (state, 0x00, 0x00);
@@ -346,7 +346,7 @@ static int cx22700_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
 
 static int cx22700_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
 {
-	struct cx22700_state* state = (struct cx22700_state*) fe->demodulator_priv;
+	struct cx22700_state* state = fe->demodulator_priv;
 	u8 reg09 = cx22700_readreg (state, 0x09);
 
 	p->inversion = reg09 & 0x1 ? INVERSION_ON : INVERSION_OFF;
@@ -363,7 +363,7 @@ static int cx22700_get_tune_settings(struct dvb_frontend* fe, struct dvb_fronten
 
 static void cx22700_release(struct dvb_frontend* fe)
 {
-	struct cx22700_state* state = (struct cx22700_state*) fe->demodulator_priv;
+	struct cx22700_state* state = fe->demodulator_priv;
 	kfree(state);
 }
 
@@ -375,7 +375,7 @@ struct dvb_frontend* cx22700_attach(const struct cx22700_config* config,
 	struct cx22700_state* state = NULL;
 
 	/* allocate memory for the internal state */
-	state = (struct cx22700_state*) kmalloc(sizeof(struct cx22700_state), GFP_KERNEL);
+	state = kmalloc(sizeof(struct cx22700_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
diff --git a/drivers/media/dvb/frontends/cx22702.c b/drivers/media/dvb/frontends/cx22702.c
index 011860ce36c..f4aa44136c7 100644
--- a/drivers/media/dvb/frontends/cx22702.c
+++ b/drivers/media/dvb/frontends/cx22702.c
@@ -200,7 +200,7 @@ static int cx22702_get_tps (struct cx22702_state *state, struct dvb_ofdm_paramet
 static int cx22702_set_tps (struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
 {
 	u8 val;
-	struct cx22702_state* state = (struct cx22702_state*) fe->demodulator_priv;
+	struct cx22702_state* state = fe->demodulator_priv;
 
 	/* set PLL */
         cx22702_writereg (state, 0x0D, cx22702_readreg(state,0x0D) &0xfe);
@@ -338,7 +338,7 @@ static int cx22702_set_tps (struct dvb_frontend* fe, struct dvb_frontend_paramet
 static int cx22702_init (struct dvb_frontend* fe)
 {
 	int i;
-	struct cx22702_state* state = (struct cx22702_state*) fe->demodulator_priv;
+	struct cx22702_state* state = fe->demodulator_priv;
 
 	cx22702_writereg (state, 0x00, 0x02);
 
@@ -360,7 +360,7 @@ static int cx22702_init (struct dvb_frontend* fe)
 
 static int cx22702_read_status(struct dvb_frontend* fe, fe_status_t* status)
 {
-	struct cx22702_state* state = (struct cx22702_state*) fe->demodulator_priv;
+	struct cx22702_state* state = fe->demodulator_priv;
 	u8 reg0A;
 	u8 reg23;
 
@@ -389,7 +389,7 @@ static int cx22702_read_status(struct dvb_frontend* fe, fe_status_t* status)
 
 static int cx22702_read_ber(struct dvb_frontend* fe, u32* ber)
 {
-	struct cx22702_state* state = (struct cx22702_state*) fe->demodulator_priv;
+	struct cx22702_state* state = fe->demodulator_priv;
 
 	if(cx22702_readreg (state, 0xE4) & 0x02) {
 		/* Realtime statistics */
@@ -406,7 +406,7 @@ static int cx22702_read_ber(struct dvb_frontend* fe, u32* ber)
 
 static int cx22702_read_signal_strength(struct dvb_frontend* fe, u16* signal_strength)
 {
-	struct cx22702_state* state = (struct cx22702_state*) fe->demodulator_priv;
+	struct cx22702_state* state = fe->demodulator_priv;
 
 	*signal_strength = cx22702_readreg (state, 0x23);
 
@@ -415,7 +415,7 @@ static int cx22702_read_signal_strength(struct dvb_frontend* fe, u16* signal_str
 
 static int cx22702_read_snr(struct dvb_frontend* fe, u16* snr)
 {
-	struct cx22702_state* state = (struct cx22702_state*) fe->demodulator_priv;
+	struct cx22702_state* state = fe->demodulator_priv;
 
 	u16 rs_ber=0;
 	if(cx22702_readreg (state, 0xE4) & 0x02) {
@@ -434,7 +434,7 @@ static int cx22702_read_snr(struct dvb_frontend* fe, u16* snr)
 
 static int cx22702_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
 {
-	struct cx22702_state* state = (struct cx22702_state*) fe->demodulator_priv;
+	struct cx22702_state* state = fe->demodulator_priv;
 
 	u8 _ucblocks;
 
@@ -449,7 +449,7 @@ static int cx22702_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
 
 static int cx22702_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
 {
-	struct cx22702_state* state = (struct cx22702_state*) fe->demodulator_priv;
+	struct cx22702_state* state = fe->demodulator_priv;
 
 	u8 reg0C = cx22702_readreg (state, 0x0C);
 
@@ -459,7 +459,7 @@ static int cx22702_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
 
 static void cx22702_release(struct dvb_frontend* fe)
 {
-	struct cx22702_state* state = (struct cx22702_state*) fe->demodulator_priv;
+	struct cx22702_state* state = fe->demodulator_priv;
 	kfree(state);
 }
 
@@ -471,7 +471,7 @@ struct dvb_frontend* cx22702_attach(const struct cx22702_config* config,
 	struct cx22702_state* state = NULL;
 
 	/* allocate memory for the internal state */
-	state = (struct cx22702_state*) kmalloc(sizeof(struct cx22702_state), GFP_KERNEL);
+	state = kmalloc(sizeof(struct cx22702_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
diff --git a/drivers/media/dvb/frontends/cx24110.c b/drivers/media/dvb/frontends/cx24110.c
index ae16112a065..8222b88cb48 100644
--- a/drivers/media/dvb/frontends/cx24110.c
+++ b/drivers/media/dvb/frontends/cx24110.c
@@ -315,7 +315,7 @@ dprintk("cx24110 debug: entering %s(%d)\n",__FUNCTION__,srate);
 
 int cx24110_pll_write (struct dvb_frontend* fe, u32 data)
 {
-	struct cx24110_state *state = (struct cx24110_state*) fe->demodulator_priv;
+	struct cx24110_state *state = fe->demodulator_priv;
 
 /* tuner data is 21 bits long, must be left-aligned in data */
 /* tuner cx24108 is written through a dedicated 3wire interface on the demod chip */
@@ -356,7 +356,7 @@ int cx24110_pll_write (struct dvb_frontend* fe, u32 data)
 
 static int cx24110_initfe(struct dvb_frontend* fe)
 {
-	struct cx24110_state *state = (struct cx24110_state*) fe->demodulator_priv;
+	struct cx24110_state *state = fe->demodulator_priv;
 /* fixme (low): error handling */
         int i;
 
@@ -373,7 +373,7 @@ static int cx24110_initfe(struct dvb_frontend* fe)
 
 static int cx24110_set_voltage (struct dvb_frontend* fe, fe_sec_voltage_t voltage)
 {
-	struct cx24110_state *state = (struct cx24110_state*) fe->demodulator_priv;
+	struct cx24110_state *state = fe->demodulator_priv;
 
 	switch (voltage) {
 	case SEC_VOLTAGE_13:
@@ -385,8 +385,7 @@ static int cx24110_set_voltage (struct dvb_frontend* fe, fe_sec_voltage_t voltag
 	};
 }
 
-static int cx24110_diseqc_send_burst(struct dvb_frontend* fe,
-			fe_sec_mini_cmd_t burst)
+static int cx24110_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t burst)
 {
 	int rv, bit, i;
 	struct cx24110_state *state = fe->demodulator_priv;
@@ -413,7 +412,7 @@ static int cx24110_send_diseqc_msg(struct dvb_frontend* fe,
 				   struct dvb_diseqc_master_cmd *cmd)
 {
 	int i, rv;
-	struct cx24110_state *state = (struct cx24110_state*) fe->demodulator_priv;
+	struct cx24110_state *state = fe->demodulator_priv;
 
 	for (i = 0; i < cmd->msg_len; i++)
 		cx24110_writereg(state, 0x79 + i, cmd->msg[i]);
@@ -432,7 +431,7 @@ static int cx24110_send_diseqc_msg(struct dvb_frontend* fe,
 
 static int cx24110_read_status(struct dvb_frontend* fe, fe_status_t* status)
 {
-	struct cx24110_state *state = (struct cx24110_state*) fe->demodulator_priv;
+	struct cx24110_state *state = fe->demodulator_priv;
 
 	int sync = cx24110_readreg (state, 0x55);
 
@@ -460,7 +459,7 @@ static int cx24110_read_status(struct dvb_frontend* fe, fe_status_t* status)
 
 static int cx24110_read_ber(struct dvb_frontend* fe, u32* ber)
 {
-	struct cx24110_state *state = (struct cx24110_state*) fe->demodulator_priv;
+	struct cx24110_state *state = fe->demodulator_priv;
 
 	/* fixme (maybe): value range is 16 bit. Scale? */
 	if(cx24110_readreg(state,0x24)&0x10) {
@@ -478,7 +477,7 @@ static int cx24110_read_ber(struct dvb_frontend* fe, u32* ber)
 
 static int cx24110_read_signal_strength(struct dvb_frontend* fe, u16* signal_strength)
 {
-	struct cx24110_state *state = (struct cx24110_state*) fe->demodulator_priv;
+	struct cx24110_state *state = fe->demodulator_priv;
 
 /* no provision in hardware. Read the frontend AGC accumulator. No idea how to scale this, but I know it is 2s complement */
 	u8 signal = cx24110_readreg (state, 0x27)+128;
@@ -489,7 +488,7 @@ static int cx24110_read_signal_strength(struct dvb_frontend* fe, u16* signal_str
 
 static int cx24110_read_snr(struct dvb_frontend* fe, u16* snr)
 {
-	struct cx24110_state *state = (struct cx24110_state*) fe->demodulator_priv;
+	struct cx24110_state *state = fe->demodulator_priv;
 
 	/* no provision in hardware. Can be computed from the Es/N0 estimator, but I don't know how. */
 	if(cx24110_readreg(state,0x6a)&0x80) {
@@ -505,7 +504,7 @@ static int cx24110_read_snr(struct dvb_frontend* fe, u16* snr)
 
 static int cx24110_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
 {
-	struct cx24110_state *state = (struct cx24110_state*) fe->demodulator_priv;
+	struct cx24110_state *state = fe->demodulator_priv;
 	u32 lastbyer;
 
 	if(cx24110_readreg(state,0x10)&0x40) {
@@ -527,7 +526,7 @@ static int cx24110_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
 
 static int cx24110_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
 {
-	struct cx24110_state *state = (struct cx24110_state*) fe->demodulator_priv;
+	struct cx24110_state *state = fe->demodulator_priv;
 
 	state->config->pll_set(fe, p);
 	cx24110_set_inversion (state, p->inversion);
@@ -540,7 +539,7 @@ static int cx24110_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
 
 static int cx24110_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
 {
-	struct cx24110_state *state = (struct cx24110_state*) fe->demodulator_priv;
+	struct cx24110_state *state = fe->demodulator_priv;
 	s32 afc; unsigned sclk;
 
 /* cannot read back tuner settings (freq). Need to have some private storage */
@@ -567,14 +566,14 @@ static int cx24110_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
 
 static int cx24110_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
 {
-	struct cx24110_state *state = (struct cx24110_state*) fe->demodulator_priv;
+	struct cx24110_state *state = fe->demodulator_priv;
 
 	return cx24110_writereg(state,0x76,(cx24110_readreg(state,0x76)&~0x10)|(((tone==SEC_TONE_ON))?0x10:0));
 }
 
 static void cx24110_release(struct dvb_frontend* fe)
 {
-	struct cx24110_state* state = (struct cx24110_state*) fe->demodulator_priv;
+	struct cx24110_state* state = fe->demodulator_priv;
 	kfree(state);
 }
 
@@ -587,7 +586,7 @@ struct dvb_frontend* cx24110_attach(const struct cx24110_config* config,
 	int ret;
 
 	/* allocate memory for the internal state */
-	state = (struct cx24110_state*) kmalloc(sizeof(struct cx24110_state), GFP_KERNEL);
+	state = kmalloc(sizeof(struct cx24110_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
diff --git a/drivers/media/dvb/frontends/dib3000mb.c b/drivers/media/dvb/frontends/dib3000mb.c
index a853d12a26f..6f52d649e97 100644
--- a/drivers/media/dvb/frontends/dib3000mb.c
+++ b/drivers/media/dvb/frontends/dib3000mb.c
@@ -56,12 +56,12 @@ static int dib3000mb_get_frontend(struct dvb_frontend* fe,
 static int dib3000mb_set_frontend(struct dvb_frontend* fe,
 				  struct dvb_frontend_parameters *fep, int tuner)
 {
-	struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
+	struct dib3000_state* state = fe->demodulator_priv;
 	struct dvb_ofdm_parameters *ofdm = &fep->u.ofdm;
 	fe_code_rate_t fe_cr = FEC_NONE;
 	int search_state, seq;
 
-	if (tuner) {
+	if (tuner && state->config.pll_addr && state->config.pll_set) {
 		dib3000mb_tuner_pass_ctrl(fe,1,state->config.pll_addr(fe));
 		state->config.pll_set(fe, fep, NULL);
 		dib3000mb_tuner_pass_ctrl(fe,0,state->config.pll_addr(fe));
@@ -317,7 +317,7 @@ static int dib3000mb_set_frontend(struct dvb_frontend* fe,
 
 static int dib3000mb_fe_init(struct dvb_frontend* fe, int mobile_mode)
 {
-	struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
+	struct dib3000_state* state = fe->demodulator_priv;
 
 	deb_info("dib3000mb is getting up.\n");
 	wr(DIB3000MB_REG_POWER_CONTROL, DIB3000MB_POWER_UP);
@@ -401,7 +401,7 @@ static int dib3000mb_fe_init(struct dvb_frontend* fe, int mobile_mode)
 static int dib3000mb_get_frontend(struct dvb_frontend* fe,
 				  struct dvb_frontend_parameters *fep)
 {
-	struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
+	struct dib3000_state* state = fe->demodulator_priv;
 	struct dvb_ofdm_parameters *ofdm = &fep->u.ofdm;
 	fe_code_rate_t *cr;
 	u16 tps_val;
@@ -562,7 +562,7 @@ static int dib3000mb_get_frontend(struct dvb_frontend* fe,
 
 static int dib3000mb_read_status(struct dvb_frontend* fe, fe_status_t *stat)
 {
-	struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
+	struct dib3000_state* state = fe->demodulator_priv;
 
 	*stat = 0;
 
@@ -594,7 +594,7 @@ static int dib3000mb_read_status(struct dvb_frontend* fe, fe_status_t *stat)
 
 static int dib3000mb_read_ber(struct dvb_frontend* fe, u32 *ber)
 {
-	struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
+	struct dib3000_state* state = fe->demodulator_priv;
 
 	*ber = ((rd(DIB3000MB_REG_BER_MSB) << 16) | rd(DIB3000MB_REG_BER_LSB));
 	return 0;
@@ -603,7 +603,7 @@ static int dib3000mb_read_ber(struct dvb_frontend* fe, u32 *ber)
 /* see dib3000-watch dvb-apps for exact calcuations of signal_strength and snr */
 static int dib3000mb_read_signal_strength(struct dvb_frontend* fe, u16 *strength)
 {
-	struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
+	struct dib3000_state* state = fe->demodulator_priv;
 
 	*strength = rd(DIB3000MB_REG_SIGNAL_POWER) * 0xffff / 0x170;
 	return 0;
@@ -611,7 +611,7 @@ static int dib3000mb_read_signal_strength(struct dvb_frontend* fe, u16 *strength
 
 static int dib3000mb_read_snr(struct dvb_frontend* fe, u16 *snr)
 {
-	struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
+	struct dib3000_state* state = fe->demodulator_priv;
 	short sigpow = rd(DIB3000MB_REG_SIGNAL_POWER);
 	int icipow = ((rd(DIB3000MB_REG_NOISE_POWER_MSB) & 0xff) << 16) |
 		rd(DIB3000MB_REG_NOISE_POWER_LSB);
@@ -621,7 +621,7 @@ static int dib3000mb_read_snr(struct dvb_frontend* fe, u16 *snr)
 
 static int dib3000mb_read_unc_blocks(struct dvb_frontend* fe, u32 *unc)
 {
-	struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
+	struct dib3000_state* state = fe->demodulator_priv;
 
 	*unc = rd(DIB3000MB_REG_UNC);
 	return 0;
@@ -629,7 +629,7 @@ static int dib3000mb_read_unc_blocks(struct dvb_frontend* fe, u32 *unc)
 
 static int dib3000mb_sleep(struct dvb_frontend* fe)
 {
-	struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
+	struct dib3000_state* state = fe->demodulator_priv;
 	deb_info("dib3000mb is going to bed.\n");
 	wr(DIB3000MB_REG_POWER_CONTROL, DIB3000MB_POWER_DOWN);
 	return 0;
@@ -656,7 +656,7 @@ static int dib3000mb_set_frontend_and_tuner(struct dvb_frontend* fe, struct dvb_
 
 static void dib3000mb_release(struct dvb_frontend* fe)
 {
-	struct dib3000_state *state = (struct dib3000_state*) fe->demodulator_priv;
+	struct dib3000_state *state = fe->demodulator_priv;
 	kfree(state);
 }
 
@@ -671,7 +671,7 @@ static int dib3000mb_pid_control(struct dvb_frontend *fe,int index, int pid,int
 
 static int dib3000mb_fifo_control(struct dvb_frontend *fe, int onoff)
 {
-	struct dib3000_state *state = (struct dib3000_state*) fe->demodulator_priv;
+	struct dib3000_state *state = fe->demodulator_priv;
 
 	deb_xfer("%s fifo\n",onoff ? "enabling" : "disabling");
 	if (onoff) {
@@ -692,7 +692,7 @@ static int dib3000mb_pid_parse(struct dvb_frontend *fe, int onoff)
 
 static int dib3000mb_tuner_pass_ctrl(struct dvb_frontend *fe, int onoff, u8 pll_addr)
 {
-	struct dib3000_state *state = (struct dib3000_state*) fe->demodulator_priv;
+	struct dib3000_state *state = fe->demodulator_priv;
 	if (onoff) {
 		wr(DIB3000MB_REG_TUNER, DIB3000_TUNER_WRITE_ENABLE(pll_addr));
 	} else {
@@ -709,7 +709,7 @@ struct dvb_frontend* dib3000mb_attach(const struct dib3000_config* config,
 	struct dib3000_state* state = NULL;
 
 	/* allocate memory for the internal state */
-	state = (struct dib3000_state*) kmalloc(sizeof(struct dib3000_state), GFP_KERNEL);
+	state = kmalloc(sizeof(struct dib3000_state), GFP_KERNEL);
 	if (state == NULL)
 		goto error;
 	memset(state,0,sizeof(struct dib3000_state));
diff --git a/drivers/media/dvb/frontends/dib3000mc.c b/drivers/media/dvb/frontends/dib3000mc.c
index 4a31c05eaec..888f10a5e96 100644
--- a/drivers/media/dvb/frontends/dib3000mc.c
+++ b/drivers/media/dvb/frontends/dib3000mc.c
@@ -297,7 +297,7 @@ static int dib3000mc_set_general_cfg(struct dib3000_state *state, struct dvb_fro
 static int dib3000mc_get_frontend(struct dvb_frontend* fe,
 				  struct dvb_frontend_parameters *fep)
 {
-	struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
+	struct dib3000_state* state = fe->demodulator_priv;
 	struct dvb_ofdm_parameters *ofdm = &fep->u.ofdm;
 	fe_code_rate_t *cr;
 	u16 tps_val,cr_val;
@@ -458,12 +458,12 @@ static int dib3000mc_get_frontend(struct dvb_frontend* fe,
 static int dib3000mc_set_frontend(struct dvb_frontend* fe,
 				  struct dvb_frontend_parameters *fep, int tuner)
 {
-	struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
+	struct dib3000_state* state = fe->demodulator_priv;
 	struct dvb_ofdm_parameters *ofdm = &fep->u.ofdm;
 	int search_state,auto_val;
 	u16 val;
 
-	if (tuner) { /* initial call from dvb */
+	if (tuner && state->config.pll_addr && state->config.pll_set) { /* initial call from dvb */
 		dib3000mc_tuner_pass_ctrl(fe,1,state->config.pll_addr(fe));
 		state->config.pll_set(fe,fep,NULL);
 		dib3000mc_tuner_pass_ctrl(fe,0,state->config.pll_addr(fe));
@@ -659,7 +659,7 @@ static int dib3000mc_fe_init(struct dvb_frontend* fe, int mobile_mode)
 }
 static int dib3000mc_read_status(struct dvb_frontend* fe, fe_status_t *stat)
 {
-	struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
+	struct dib3000_state* state = fe->demodulator_priv;
 	u16 lock = rd(DIB3000MC_REG_LOCKING);
 
 	*stat = 0;
@@ -679,14 +679,14 @@ static int dib3000mc_read_status(struct dvb_frontend* fe, fe_status_t *stat)
 
 static int dib3000mc_read_ber(struct dvb_frontend* fe, u32 *ber)
 {
-	struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
+	struct dib3000_state* state = fe->demodulator_priv;
 	*ber = ((rd(DIB3000MC_REG_BER_MSB) << 16) | rd(DIB3000MC_REG_BER_LSB));
 	return 0;
 }
 
 static int dib3000mc_read_unc_blocks(struct dvb_frontend* fe, u32 *unc)
 {
-	struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
+	struct dib3000_state* state = fe->demodulator_priv;
 
 	*unc = rd(DIB3000MC_REG_PACKET_ERROR_COUNT);
 	return 0;
@@ -695,7 +695,7 @@ static int dib3000mc_read_unc_blocks(struct dvb_frontend* fe, u32 *unc)
 /* see dib3000mb.c for calculation comments */
 static int dib3000mc_read_signal_strength(struct dvb_frontend* fe, u16 *strength)
 {
-	struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
+	struct dib3000_state* state = fe->demodulator_priv;
 	u16 val = rd(DIB3000MC_REG_SIGNAL_NOISE_LSB);
 	*strength = (((val >> 6) & 0xff) << 8) + (val & 0x3f);
 
@@ -706,7 +706,7 @@ static int dib3000mc_read_signal_strength(struct dvb_frontend* fe, u16 *strength
 /* see dib3000mb.c for calculation comments */
 static int dib3000mc_read_snr(struct dvb_frontend* fe, u16 *snr)
 {
-	struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
+	struct dib3000_state* state = fe->demodulator_priv;
 	u16 val = rd(DIB3000MC_REG_SIGNAL_NOISE_LSB),
 		val2 = rd(DIB3000MC_REG_SIGNAL_NOISE_MSB);
 	u16 sig,noise;
@@ -726,7 +726,7 @@ static int dib3000mc_read_snr(struct dvb_frontend* fe, u16 *snr)
 
 static int dib3000mc_sleep(struct dvb_frontend* fe)
 {
-	struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
+	struct dib3000_state* state = fe->demodulator_priv;
 
 	set_or(DIB3000MC_REG_CLK_CFG_7,DIB3000MC_CLK_CFG_7_PWR_DOWN);
 	wr(DIB3000MC_REG_CLK_CFG_1,DIB3000MC_CLK_CFG_1_POWER_DOWN);
@@ -756,7 +756,7 @@ static int dib3000mc_set_frontend_and_tuner(struct dvb_frontend* fe, struct dvb_
 
 static void dib3000mc_release(struct dvb_frontend* fe)
 {
-	struct dib3000_state *state = (struct dib3000_state *) fe->demodulator_priv;
+	struct dib3000_state *state = fe->demodulator_priv;
 	kfree(state);
 }
 
@@ -771,7 +771,7 @@ static int dib3000mc_pid_control(struct dvb_frontend *fe,int index, int pid,int
 
 static int dib3000mc_fifo_control(struct dvb_frontend *fe, int onoff)
 {
-	struct dib3000_state *state = (struct dib3000_state*) fe->demodulator_priv;
+	struct dib3000_state *state = fe->demodulator_priv;
 	u16 tmp = rd(DIB3000MC_REG_SMO_MODE);
 
 	deb_xfer("%s fifo\n",onoff ? "enabling" : "disabling");
@@ -803,7 +803,7 @@ static int dib3000mc_pid_parse(struct dvb_frontend *fe, int onoff)
 
 static int dib3000mc_tuner_pass_ctrl(struct dvb_frontend *fe, int onoff, u8 pll_addr)
 {
-	struct dib3000_state *state = (struct dib3000_state*) fe->demodulator_priv;
+	struct dib3000_state *state = fe->demodulator_priv;
 	if (onoff) {
 		wr(DIB3000MC_REG_TUNER, DIB3000_TUNER_WRITE_ENABLE(pll_addr));
 	} else {
@@ -844,7 +844,7 @@ struct dvb_frontend* dib3000mc_attach(const struct dib3000_config* config,
 	u16 devid;
 
 	/* allocate memory for the internal state */
-	state = (struct dib3000_state*) kmalloc(sizeof(struct dib3000_state), GFP_KERNEL);
+	state = kmalloc(sizeof(struct dib3000_state), GFP_KERNEL);
 	if (state == NULL)
 		goto error;
 	memset(state,0,sizeof(struct dib3000_state));
diff --git a/drivers/media/dvb/frontends/dvb-pll.h b/drivers/media/dvb/frontends/dvb-pll.h
index 016c794a567..c4c3c56c4a8 100644
--- a/drivers/media/dvb/frontends/dvb-pll.h
+++ b/drivers/media/dvb/frontends/dvb-pll.h
@@ -2,6 +2,9 @@
  * $Id: dvb-pll.h,v 1.2 2005/02/10 11:43:41 kraxel Exp $
  */
 
+#ifndef __DVB_PLL_H__
+#define __DVB_PLL_H__
+
 struct dvb_pll_desc {
 	char *name;
 	u32  min;
@@ -26,9 +29,4 @@ extern struct dvb_pll_desc dvb_pll_unknown_1;
 int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf,
 		      u32 freq, int bandwidth);
 
-/*
- * Local variables:
- * c-basic-offset: 8
- * compile-command: "make DVB=1"
- * End:
- */
+#endif
diff --git a/drivers/media/dvb/frontends/dvb_dummy_fe.c b/drivers/media/dvb/frontends/dvb_dummy_fe.c
index c05a9b05600..cff93b9d8ab 100644
--- a/drivers/media/dvb/frontends/dvb_dummy_fe.c
+++ b/drivers/media/dvb/frontends/dvb_dummy_fe.c
@@ -100,7 +100,7 @@ static int dvb_dummy_fe_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t vo
 
 static void dvb_dummy_fe_release(struct dvb_frontend* fe)
 {
-	struct dvb_dummy_fe_state* state = (struct dvb_dummy_fe_state*) fe->demodulator_priv;
+	struct dvb_dummy_fe_state* state = fe->demodulator_priv;
 	kfree(state);
 }
 
@@ -111,7 +111,7 @@ struct dvb_frontend* dvb_dummy_fe_ofdm_attach(void)
 	struct dvb_dummy_fe_state* state = NULL;
 
 	/* allocate memory for the internal state */
-	state = (struct dvb_dummy_fe_state*) kmalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL);
+	state = kmalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
@@ -134,7 +134,7 @@ struct dvb_frontend* dvb_dummy_fe_qpsk_attach()
 	struct dvb_dummy_fe_state* state = NULL;
 
 	/* allocate memory for the internal state */
-	state = (struct dvb_dummy_fe_state*) kmalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL);
+	state = kmalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
@@ -157,7 +157,7 @@ struct dvb_frontend* dvb_dummy_fe_qam_attach()
 	struct dvb_dummy_fe_state* state = NULL;
 
 	/* allocate memory for the internal state */
-	state = (struct dvb_dummy_fe_state*) kmalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL);
+	state = kmalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
diff --git a/drivers/media/dvb/frontends/l64781.c b/drivers/media/dvb/frontends/l64781.c
index 9ac95de9834..031a1ddc7d1 100644
--- a/drivers/media/dvb/frontends/l64781.c
+++ b/drivers/media/dvb/frontends/l64781.c
@@ -121,7 +121,7 @@ static int reset_and_configure (struct l64781_state* state)
 
 static int apply_frontend_param (struct dvb_frontend* fe, struct dvb_frontend_parameters *param)
 {
-	struct l64781_state* state = (struct l64781_state*) fe->demodulator_priv;
+	struct l64781_state* state = fe->demodulator_priv;
 	/* The coderates for FEC_NONE, FEC_4_5 and FEC_FEC_6_7 are arbitrary */
 	static const u8 fec_tab[] = { 7, 0, 1, 2, 9, 3, 10, 4 };
 	/* QPSK, QAM_16, QAM_64 */
@@ -234,7 +234,7 @@ static int apply_frontend_param (struct dvb_frontend* fe, struct dvb_frontend_pa
 
 static int get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters* param)
 {
-	struct l64781_state* state = (struct l64781_state*) fe->demodulator_priv;
+	struct l64781_state* state = fe->demodulator_priv;
 	int tmp;
 
 
@@ -352,7 +352,7 @@ static int get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters*
 
 static int l64781_read_status(struct dvb_frontend* fe, fe_status_t* status)
 {
-	struct l64781_state* state = (struct l64781_state*) fe->demodulator_priv;
+	struct l64781_state* state = fe->demodulator_priv;
 	int sync = l64781_readreg (state, 0x32);
 	int gain = l64781_readreg (state, 0x0e);
 
@@ -381,7 +381,7 @@ static int l64781_read_status(struct dvb_frontend* fe, fe_status_t* status)
 
 static int l64781_read_ber(struct dvb_frontend* fe, u32* ber)
 {
-	struct l64781_state* state = (struct l64781_state*) fe->demodulator_priv;
+	struct l64781_state* state = fe->demodulator_priv;
 
 	/*   XXX FIXME: set up counting period (reg 0x26...0x28)
 	 */
@@ -393,7 +393,7 @@ static int l64781_read_ber(struct dvb_frontend* fe, u32* ber)
 
 static int l64781_read_signal_strength(struct dvb_frontend* fe, u16* signal_strength)
 {
-	struct l64781_state* state = (struct l64781_state*) fe->demodulator_priv;
+	struct l64781_state* state = fe->demodulator_priv;
 
 	u8 gain = l64781_readreg (state, 0x0e);
 	*signal_strength = (gain << 8) | gain;
@@ -403,7 +403,7 @@ static int l64781_read_signal_strength(struct dvb_frontend* fe, u16* signal_stre
 
 static int l64781_read_snr(struct dvb_frontend* fe, u16* snr)
 {
-	struct l64781_state* state = (struct l64781_state*) fe->demodulator_priv;
+	struct l64781_state* state = fe->demodulator_priv;
 
 	u8 avg_quality = 0xff - l64781_readreg (state, 0x33);
 	*snr = (avg_quality << 8) | avg_quality; /* not exact, but...*/
@@ -413,7 +413,7 @@ static int l64781_read_snr(struct dvb_frontend* fe, u16* snr)
 
 static int l64781_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
 {
-	struct l64781_state* state = (struct l64781_state*) fe->demodulator_priv;
+	struct l64781_state* state = fe->demodulator_priv;
 
 	*ucblocks = l64781_readreg (state, 0x37)
 	   | (l64781_readreg (state, 0x38) << 8);
@@ -423,7 +423,7 @@ static int l64781_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
 
 static int l64781_sleep(struct dvb_frontend* fe)
 {
-	struct l64781_state* state = (struct l64781_state*) fe->demodulator_priv;
+	struct l64781_state* state = fe->demodulator_priv;
 
 	/* Power down */
 	return l64781_writereg (state, 0x3e, 0x5a);
@@ -431,7 +431,7 @@ static int l64781_sleep(struct dvb_frontend* fe)
 
 static int l64781_init(struct dvb_frontend* fe)
 {
-	struct l64781_state* state = (struct l64781_state*) fe->demodulator_priv;
+	struct l64781_state* state = fe->demodulator_priv;
 
         reset_and_configure (state);
 
@@ -484,7 +484,7 @@ static int l64781_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend
 
 static void l64781_release(struct dvb_frontend* fe)
 {
-	struct l64781_state* state = (struct l64781_state*) fe->demodulator_priv;
+	struct l64781_state* state = fe->demodulator_priv;
 	kfree(state);
 }
 
@@ -501,7 +501,7 @@ struct dvb_frontend* l64781_attach(const struct l64781_config* config,
 			   { .addr = config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 1 } };
 
 	/* allocate memory for the internal state */
-	state = (struct l64781_state*) kmalloc(sizeof(struct l64781_state), GFP_KERNEL);
+	state = kmalloc(sizeof(struct l64781_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
diff --git a/drivers/media/dvb/frontends/mt312.c b/drivers/media/dvb/frontends/mt312.c
index 176a22e3441..e455aecd76b 100644
--- a/drivers/media/dvb/frontends/mt312.c
+++ b/drivers/media/dvb/frontends/mt312.c
@@ -226,7 +226,7 @@ static int mt312_get_code_rate(struct mt312_state* state, fe_code_rate_t *cr)
 
 static int mt312_initfe(struct dvb_frontend* fe)
 {
-	struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+	struct mt312_state *state = fe->demodulator_priv;
 	int ret;
 	u8 buf[2];
 
@@ -287,7 +287,7 @@ static int mt312_initfe(struct dvb_frontend* fe)
 static int mt312_send_master_cmd(struct dvb_frontend* fe,
 				 struct dvb_diseqc_master_cmd *c)
 {
-	struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+	struct mt312_state *state = fe->demodulator_priv;
 	int ret;
 	u8 diseqc_mode;
 
@@ -318,7 +318,7 @@ static int mt312_send_master_cmd(struct dvb_frontend* fe,
 
 static int mt312_send_burst(struct dvb_frontend* fe, const fe_sec_mini_cmd_t c)
 {
-	struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+	struct mt312_state *state = fe->demodulator_priv;
 	const u8 mini_tab[2] = { 0x02, 0x03 };
 
 	int ret;
@@ -340,7 +340,7 @@ static int mt312_send_burst(struct dvb_frontend* fe, const fe_sec_mini_cmd_t c)
 
 static int mt312_set_tone(struct dvb_frontend* fe, const fe_sec_tone_mode_t t)
 {
-	struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+	struct mt312_state *state = fe->demodulator_priv;
 	const u8 tone_tab[2] = { 0x01, 0x00 };
 
 	int ret;
@@ -362,7 +362,7 @@ static int mt312_set_tone(struct dvb_frontend* fe, const fe_sec_tone_mode_t t)
 
 static int mt312_set_voltage(struct dvb_frontend* fe, const fe_sec_voltage_t v)
 {
-	struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+	struct mt312_state *state = fe->demodulator_priv;
 	const u8 volt_tab[3] = { 0x00, 0x40, 0x00 };
 
 	if (v > SEC_VOLTAGE_OFF)
@@ -373,7 +373,7 @@ static int mt312_set_voltage(struct dvb_frontend* fe, const fe_sec_voltage_t v)
 
 static int mt312_read_status(struct dvb_frontend* fe, fe_status_t *s)
 {
-	struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+	struct mt312_state *state = fe->demodulator_priv;
 	int ret;
 	u8 status[3];
 
@@ -400,7 +400,7 @@ static int mt312_read_status(struct dvb_frontend* fe, fe_status_t *s)
 
 static int mt312_read_ber(struct dvb_frontend* fe, u32 *ber)
 {
-	struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+	struct mt312_state *state = fe->demodulator_priv;
 	int ret;
 	u8 buf[3];
 
@@ -414,7 +414,7 @@ static int mt312_read_ber(struct dvb_frontend* fe, u32 *ber)
 
 static int mt312_read_signal_strength(struct dvb_frontend* fe, u16 *signal_strength)
 {
-	struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+	struct mt312_state *state = fe->demodulator_priv;
 	int ret;
 	u8 buf[3];
 	u16 agc;
@@ -435,7 +435,7 @@ static int mt312_read_signal_strength(struct dvb_frontend* fe, u16 *signal_stren
 
 static int mt312_read_snr(struct dvb_frontend* fe, u16 *snr)
 {
-	struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+	struct mt312_state *state = fe->demodulator_priv;
 	int ret;
 	u8 buf[2];
 
@@ -449,7 +449,7 @@ static int mt312_read_snr(struct dvb_frontend* fe, u16 *snr)
 
 static int mt312_read_ucblocks(struct dvb_frontend* fe, u32 *ubc)
 {
-	struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+	struct mt312_state *state = fe->demodulator_priv;
 	int ret;
 	u8 buf[2];
 
@@ -464,7 +464,7 @@ static int mt312_read_ucblocks(struct dvb_frontend* fe, u32 *ubc)
 static int mt312_set_frontend(struct dvb_frontend* fe,
 			      struct dvb_frontend_parameters *p)
 {
-	struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+	struct mt312_state *state = fe->demodulator_priv;
 	int ret;
 	u8 buf[5], config_val;
 	u16 sr;
@@ -560,7 +560,7 @@ static int mt312_set_frontend(struct dvb_frontend* fe,
 static int mt312_get_frontend(struct dvb_frontend* fe,
 			      struct dvb_frontend_parameters *p)
 {
-	struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+	struct mt312_state *state = fe->demodulator_priv;
 	int ret;
 
 	if ((ret = mt312_get_inversion(state, &p->inversion)) < 0)
@@ -577,7 +577,7 @@ static int mt312_get_frontend(struct dvb_frontend* fe,
 
 static int mt312_sleep(struct dvb_frontend* fe)
 {
-	struct mt312_state *state = (struct mt312_state*) fe->demodulator_priv;
+	struct mt312_state *state = fe->demodulator_priv;
 	int ret;
 	u8 config;
 
@@ -605,7 +605,7 @@ static int mt312_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_
 
 static void mt312_release(struct dvb_frontend* fe)
 {
-	struct mt312_state* state = (struct mt312_state*) fe->demodulator_priv;
+	struct mt312_state* state = fe->demodulator_priv;
 	kfree(state);
 }
 
@@ -617,7 +617,7 @@ struct dvb_frontend* vp310_attach(const struct mt312_config* config,
 	struct mt312_state* state = NULL;
 
 	/* allocate memory for the internal state */
-	state = (struct mt312_state*) kmalloc(sizeof(struct mt312_state), GFP_KERNEL);
+	state = kmalloc(sizeof(struct mt312_state), GFP_KERNEL);
 	if (state == NULL)
 		goto error;
 
@@ -651,7 +651,7 @@ struct dvb_frontend* mt312_attach(const struct mt312_config* config,
 	struct mt312_state* state = NULL;
 
 	/* allocate memory for the internal state */
-	state = (struct mt312_state*) kmalloc(sizeof(struct mt312_state), GFP_KERNEL);
+	state = kmalloc(sizeof(struct mt312_state), GFP_KERNEL);
 	if (state == NULL)
 		goto error;
 
diff --git a/drivers/media/dvb/frontends/mt352.c b/drivers/media/dvb/frontends/mt352.c
index 50326c7248f..d32dc4de9e7 100644
--- a/drivers/media/dvb/frontends/mt352.c
+++ b/drivers/media/dvb/frontends/mt352.c
@@ -46,7 +46,7 @@ struct mt352_state {
 	struct dvb_frontend_ops ops;
 
 	/* configuration settings */
-	const struct mt352_config* config;
+	struct mt352_config config;
 };
 
 static int debug;
@@ -59,7 +59,7 @@ static int mt352_single_write(struct dvb_frontend *fe, u8 reg, u8 val)
 {
 	struct mt352_state* state = fe->demodulator_priv;
 	u8 buf[2] = { reg, val };
-	struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0,
+	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) {
@@ -84,10 +84,10 @@ static int mt352_read_register(struct mt352_state* state, u8 reg)
 	int ret;
 	u8 b0 [] = { reg };
 	u8 b1 [] = { 0 };
-	struct i2c_msg msg [] = { { .addr = state->config->demod_address,
+	struct i2c_msg msg [] = { { .addr = state->config.demod_address,
 				    .flags = 0,
 				    .buf = b0, .len = 1 },
-				  { .addr = state->config->demod_address,
+				  { .addr = state->config.demod_address,
 				    .flags = I2C_M_RD,
 				    .buf = b1, .len = 1 } };
 
@@ -102,11 +102,6 @@ static int mt352_read_register(struct mt352_state* state, u8 reg)
 	return b1[0];
 }
 
-int mt352_read(struct dvb_frontend *fe, u8 reg)
-{
-	return mt352_read_register(fe->demodulator_priv,reg);
-}
-
 static int mt352_sleep(struct dvb_frontend* fe)
 {
 	static u8 mt352_softdown[] = { CLOCK_CTL, 0x20, 0x08 };
@@ -134,8 +129,8 @@ static void mt352_calc_nominal_rate(struct mt352_state* state,
 		bw = 8;
 		break;
 	}
-	if (state->config->adc_clock)
-		adc_clock = state->config->adc_clock;
+	if (state->config.adc_clock)
+		adc_clock = state->config.adc_clock;
 
 	value = 64 * bw * (1<<16) / (7 * 8);
 	value = value * 1000 / adc_clock;
@@ -152,10 +147,10 @@ static void mt352_calc_input_freq(struct mt352_state* state,
 	int if2       = 36167; /* 36.166667 MHz */
 	int ife,value;
 
-	if (state->config->adc_clock)
-		adc_clock = state->config->adc_clock;
-	if (state->config->if2)
-		if2 = state->config->if2;
+	if (state->config.adc_clock)
+		adc_clock = state->config.adc_clock;
+	if (state->config.if2)
+		if2 = state->config.if2;
 
 	ife = (2*adc_clock - if2);
 	value = -16374 * ife / adc_clock;
@@ -289,10 +284,10 @@ static int mt352_set_parameters(struct dvb_frontend* fe,
 
 	mt352_calc_nominal_rate(state, op->bandwidth, buf+4);
 	mt352_calc_input_freq(state, buf+6);
-	state->config->pll_set(fe, param, buf+8);
+	state->config.pll_set(fe, param, buf+8);
 
 	mt352_write(fe, buf, sizeof(buf));
-	if (state->config->no_tuner) {
+	if (state->config.no_tuner) {
 		/* start decoding */
 		mt352_write(fe, fsm_go, 2);
 	} else {
@@ -516,7 +511,7 @@ static int mt352_init(struct dvb_frontend* fe)
 
 		/* Do a "hard" reset */
 		mt352_write(fe, mt352_reset_attach, sizeof(mt352_reset_attach));
-		return state->config->demod_init(fe);
+		return state->config.demod_init(fe);
 	}
 
 	return 0;
@@ -541,8 +536,8 @@ struct dvb_frontend* mt352_attach(const struct mt352_config* config,
 	memset(state,0,sizeof(*state));
 
 	/* setup the state */
-	state->config = config;
 	state->i2c = i2c;
+	memcpy(&state->config,config,sizeof(struct mt352_config));
 	memcpy(&state->ops, &mt352_ops, sizeof(struct dvb_frontend_ops));
 
 	/* check if the demod is there */
@@ -601,10 +596,3 @@ MODULE_LICENSE("GPL");
 
 EXPORT_SYMBOL(mt352_attach);
 EXPORT_SYMBOL(mt352_write);
-EXPORT_SYMBOL(mt352_read);
-/*
- * Local variables:
- * c-basic-offset: 8
- * compile-command: "make DVB=1"
- * End:
- */
diff --git a/drivers/media/dvb/frontends/mt352.h b/drivers/media/dvb/frontends/mt352.h
index f5d8a5aed8a..03040cd595b 100644
--- a/drivers/media/dvb/frontends/mt352.h
+++ b/drivers/media/dvb/frontends/mt352.h
@@ -61,12 +61,5 @@ extern struct dvb_frontend* mt352_attach(const struct mt352_config* config,
 					 struct i2c_adapter* i2c);
 
 extern int mt352_write(struct dvb_frontend* fe, u8* ibuf, int ilen);
-extern int mt352_read(struct dvb_frontend *fe, u8 reg);
 
 #endif // MT352_H
-
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
diff --git a/drivers/media/dvb/frontends/nxt2002.c b/drivers/media/dvb/frontends/nxt2002.c
index 4743aa17406..35a1d60f192 100644
--- a/drivers/media/dvb/frontends/nxt2002.c
+++ b/drivers/media/dvb/frontends/nxt2002.c
@@ -241,7 +241,7 @@ static void nxt2002_agc_reset(struct nxt2002_state* state)
 static int nxt2002_load_firmware (struct dvb_frontend* fe, const struct firmware *fw)
 {
 
-	struct nxt2002_state* state = (struct nxt2002_state*) fe->demodulator_priv;
+	struct nxt2002_state* state = fe->demodulator_priv;
 	u8 buf[256],written = 0,chunkpos = 0;
 	u16 rambase,position,crc = 0;
 
@@ -309,7 +309,7 @@ static int nxt2002_load_firmware (struct dvb_frontend* fe, const struct firmware
 static int nxt2002_setup_frontend_parameters (struct dvb_frontend* fe,
 					     struct dvb_frontend_parameters *p)
 {
-	struct nxt2002_state* state = (struct nxt2002_state*) fe->demodulator_priv;
+	struct nxt2002_state* state = fe->demodulator_priv;
 	u32 freq = 0;
 	u16 tunerfreq = 0;
 	u8 buf[4];
@@ -343,8 +343,6 @@ static int nxt2002_setup_frontend_parameters (struct dvb_frontend* fe,
 	/* reset the agc now that tuning has been completed */
 	nxt2002_agc_reset(state);
 
-
-
 	/* set target power level */
 	switch (p->u.vsb.modulation) {
 		case QAM_64:
@@ -453,7 +451,7 @@ static int nxt2002_setup_frontend_parameters (struct dvb_frontend* fe,
 
 static int nxt2002_read_status(struct dvb_frontend* fe, fe_status_t* status)
 {
-	struct nxt2002_state* state = (struct nxt2002_state*) fe->demodulator_priv;
+	struct nxt2002_state* state = fe->demodulator_priv;
 	u8 lock;
 	i2c_readbytes(state,0x31,&lock,1);
 
@@ -470,7 +468,7 @@ static int nxt2002_read_status(struct dvb_frontend* fe, fe_status_t* status)
 
 static int nxt2002_read_ber(struct dvb_frontend* fe, u32* ber)
 {
-	struct nxt2002_state* state = (struct nxt2002_state*) fe->demodulator_priv;
+	struct nxt2002_state* state = fe->demodulator_priv;
 	u8 b[3];
 
 	nxt2002_readreg_multibyte(state,0xE6,b,3);
@@ -482,7 +480,7 @@ static int nxt2002_read_ber(struct dvb_frontend* fe, u32* ber)
 
 static int nxt2002_read_signal_strength(struct dvb_frontend* fe, u16* strength)
 {
-	struct nxt2002_state* state = (struct nxt2002_state*) fe->demodulator_priv;
+	struct nxt2002_state* state = fe->demodulator_priv;
 	u8 b[2];
 	u16 temp = 0;
 
@@ -502,7 +500,7 @@ static int nxt2002_read_signal_strength(struct dvb_frontend* fe, u16* strength)
 static int nxt2002_read_snr(struct dvb_frontend* fe, u16* snr)
 {
 
-	struct nxt2002_state* state = (struct nxt2002_state*) fe->demodulator_priv;
+	struct nxt2002_state* state = fe->demodulator_priv;
 	u8 b[2];
 	u16 temp = 0, temp2;
 	u32 snrdb = 0;
@@ -536,7 +534,7 @@ static int nxt2002_read_snr(struct dvb_frontend* fe, u16* snr)
 
 static int nxt2002_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
 {
-	struct nxt2002_state* state = (struct nxt2002_state*) fe->demodulator_priv;
+	struct nxt2002_state* state = fe->demodulator_priv;
 	u8 b[3];
 
 	nxt2002_readreg_multibyte(state,0xE6,b,3);
@@ -552,7 +550,7 @@ static int nxt2002_sleep(struct dvb_frontend* fe)
 
 static int nxt2002_init(struct dvb_frontend* fe)
 {
-	struct nxt2002_state* state = (struct nxt2002_state*) fe->demodulator_priv;
+	struct nxt2002_state* state = fe->demodulator_priv;
 	const struct firmware *fw;
 	int ret;
 	u8 buf[2];
@@ -624,7 +622,7 @@ static int nxt2002_get_tune_settings(struct dvb_frontend* fe, struct dvb_fronten
 
 static void nxt2002_release(struct dvb_frontend* fe)
 {
-	struct nxt2002_state* state = (struct nxt2002_state*) fe->demodulator_priv;
+	struct nxt2002_state* state = fe->demodulator_priv;
 	kfree(state);
 }
 
@@ -637,7 +635,7 @@ struct dvb_frontend* nxt2002_attach(const struct nxt2002_config* config,
 	u8 buf [] = {0,0,0,0,0};
 
 	/* allocate memory for the internal state */
-	state = (struct nxt2002_state*) kmalloc(sizeof(struct nxt2002_state), GFP_KERNEL);
+	state = kmalloc(sizeof(struct nxt2002_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
diff --git a/drivers/media/dvb/frontends/nxt6000.c b/drivers/media/dvb/frontends/nxt6000.c
index a41f7da8b84..966de9853d1 100644
--- a/drivers/media/dvb/frontends/nxt6000.c
+++ b/drivers/media/dvb/frontends/nxt6000.c
@@ -176,11 +176,16 @@ static int nxt6000_set_transmission_mode(struct nxt6000_state* state, fe_transmi
 
 static void nxt6000_setup(struct dvb_frontend* fe)
 {
-	struct nxt6000_state* state = (struct nxt6000_state*) fe->demodulator_priv;
+	struct nxt6000_state* state = fe->demodulator_priv;
 
 	nxt6000_writereg(state, RS_COR_SYNC_PARAM, SYNC_PARAM);
 	nxt6000_writereg(state, BER_CTRL, /*(1 << 2) | */ (0x01 << 1) | 0x01);
-	nxt6000_writereg(state, VIT_COR_CTL, VIT_COR_RESYNC);
+	nxt6000_writereg(state, VIT_BERTIME_2, 0x00);  // BER Timer = 0x000200 * 256 = 131072 bits
+	nxt6000_writereg(state, VIT_BERTIME_1, 0x02);  //
+	nxt6000_writereg(state, VIT_BERTIME_0, 0x00);  //
+	nxt6000_writereg(state, VIT_COR_INTEN, 0x98); // Enable BER interrupts
+	nxt6000_writereg(state, VIT_COR_CTL, 0x82);   // Enable BER measurement
+	nxt6000_writereg(state, VIT_COR_CTL, VIT_COR_RESYNC | 0x02 );
 	nxt6000_writereg(state, OFDM_COR_CTL, (0x01 << 5) | (nxt6000_readreg(state, OFDM_COR_CTL) & 0x0F));
 	nxt6000_writereg(state, OFDM_COR_MODEGUARD, FORCEMODE8K | 0x02);
 	nxt6000_writereg(state, OFDM_AGC_CTL, AGCLAST | INITIAL_AGC_BW);
@@ -422,7 +427,7 @@ static void nxt6000_dump_status(struct nxt6000_state *state)
 static int nxt6000_read_status(struct dvb_frontend* fe, fe_status_t* status)
 {
 	u8 core_status;
-	struct nxt6000_state* state = (struct nxt6000_state*) fe->demodulator_priv;
+	struct nxt6000_state* state = fe->demodulator_priv;
 
 	*status = 0;
 
@@ -451,7 +456,7 @@ static int nxt6000_read_status(struct dvb_frontend* fe, fe_status_t* status)
 
 static int nxt6000_init(struct dvb_frontend* fe)
 {
-	struct nxt6000_state* state = (struct nxt6000_state*) fe->demodulator_priv;
+	struct nxt6000_state* state = fe->demodulator_priv;
 
 	nxt6000_reset(state);
 	nxt6000_setup(fe);
@@ -461,7 +466,7 @@ static int nxt6000_init(struct dvb_frontend* fe)
 
 static int nxt6000_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *param)
 {
-	struct nxt6000_state* state = (struct nxt6000_state*) fe->demodulator_priv;
+	struct nxt6000_state* state = fe->demodulator_priv;
 	int result;
 
 	nxt6000_writereg(state, ENABLE_TUNER_IIC, 0x01);	/* open i2c bus switch */
@@ -482,10 +487,44 @@ static int nxt6000_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
 
 static void nxt6000_release(struct dvb_frontend* fe)
 {
-	struct nxt6000_state* state = (struct nxt6000_state*) fe->demodulator_priv;
+	struct nxt6000_state* state = fe->demodulator_priv;
 	kfree(state);
 }
 
+static int nxt6000_read_snr(struct dvb_frontend* fe, u16* snr)
+{
+	struct nxt6000_state* state = fe->demodulator_priv;
+
+	*snr = nxt6000_readreg( state, OFDM_CHC_SNR) / 8;
+
+	return 0;
+}
+
+static int nxt6000_read_ber(struct dvb_frontend* fe, u32* ber)
+{
+	struct nxt6000_state* state = fe->demodulator_priv;
+
+	nxt6000_writereg( state, VIT_COR_INTSTAT, 0x18 );
+
+	*ber = (nxt6000_readreg( state, VIT_BER_1 ) << 8 ) |
+		nxt6000_readreg( state, VIT_BER_0 );
+
+	nxt6000_writereg( state, VIT_COR_INTSTAT, 0x18); // Clear BER Done interrupts
+
+	return 0;
+}
+
+static int nxt6000_read_signal_strength(struct dvb_frontend* fe, u16* signal_strength)
+{
+	struct nxt6000_state* state = fe->demodulator_priv;
+
+	*signal_strength = (short) (511 -
+		(nxt6000_readreg(state, AGC_GAIN_1) +
+		((nxt6000_readreg(state, AGC_GAIN_2) & 0x03) << 8)));
+
+	return 0;
+}
+
 static struct dvb_frontend_ops nxt6000_ops;
 
 struct dvb_frontend* nxt6000_attach(const struct nxt6000_config* config,
@@ -494,7 +533,7 @@ struct dvb_frontend* nxt6000_attach(const struct nxt6000_config* config,
 	struct nxt6000_state* state = NULL;
 
 	/* allocate memory for the internal state */
-	state = (struct nxt6000_state*) kmalloc(sizeof(struct nxt6000_state), GFP_KERNEL);
+	state = kmalloc(sizeof(struct nxt6000_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
@@ -542,6 +581,9 @@ static struct dvb_frontend_ops nxt6000_ops = {
 	.set_frontend = nxt6000_set_frontend,
 
 	.read_status = nxt6000_read_status,
+	.read_ber = nxt6000_read_ber,
+	.read_signal_strength = nxt6000_read_signal_strength,
+	.read_snr = nxt6000_read_snr,
 };
 
 module_param(debug, int, 0644);
diff --git a/drivers/media/dvb/frontends/nxt6000_priv.h b/drivers/media/dvb/frontends/nxt6000_priv.h
index 64b1a89b2a2..0422e580038 100644
--- a/drivers/media/dvb/frontends/nxt6000_priv.h
+++ b/drivers/media/dvb/frontends/nxt6000_priv.h
@@ -65,12 +65,27 @@
 #define BER_DONE               (0x08)
 #define BER_OVERFLOW           (0x10)
 
+/* 0x38 VIT_BERTIME_2 */
+#define VIT_BERTIME_2      (0x38)
+
+/* 0x39 VIT_BERTIME_1 */
+#define VIT_BERTIME_1      (0x39)
+
+/* 0x3A VIT_BERTIME_0 */
+#define VIT_BERTIME_0      (0x3a)
+
 			     /* 0x38 OFDM_BERTimer *//* Use the alias registers */
 #define A_VIT_BER_TIMER_0      (0x1D)
 
 			     /* 0x3A VIT_BER_TIMER_0 *//* Use the alias registers */
 #define A_VIT_BER_0            (0x1B)
 
+/* 0x3B VIT_BER_1 */
+#define VIT_BER_1              (0x3b)
+
+/* 0x3C VIT_BER_0 */
+#define VIT_BER_0              (0x3c)
+
 /* 0x40 OFDM_COR_CTL */
 #define OFDM_COR_CTL           (0x40)
 #define COREACT                (0x20)
@@ -117,6 +132,12 @@
 #define OFDM_ITB_CTL           (0x4B)
 #define ITBINV                 (0x01)
 
+/* 0x49 AGC_GAIN_1 */
+#define AGC_GAIN_1             (0x49)
+
+/* 0x4A AGC_GAIN_2 */
+#define AGC_GAIN_2             (0x4A)
+
 /* 0x4C OFDM_ITB_FREQ_1 */
 #define OFDM_ITB_FREQ_1        (0x4C)
 
diff --git a/drivers/media/dvb/frontends/or51132.c b/drivers/media/dvb/frontends/or51132.c
index df5dee7760a..cc0a77c790f 100644
--- a/drivers/media/dvb/frontends/or51132.c
+++ b/drivers/media/dvb/frontends/or51132.c
@@ -102,7 +102,7 @@ static u8 i2c_readbytes (struct or51132_state* state, u8 reg, u8* buf, int len)
 
 static int or51132_load_firmware (struct dvb_frontend* fe, const struct firmware *fw)
 {
-	struct or51132_state* state = (struct or51132_state*) fe->demodulator_priv;
+	struct or51132_state* state = fe->demodulator_priv;
 	static u8 run_buf[] = {0x7F,0x01};
 	static u8 get_ver_buf[] = {0x04,0x00,0x30,0x00,0x00};
 	u8 rec_buf[14];
@@ -240,7 +240,7 @@ static int or51132_sleep(struct dvb_frontend* fe)
 
 static int or51132_setmode(struct dvb_frontend* fe)
 {
-	struct or51132_state* state = (struct or51132_state*) fe->demodulator_priv;
+	struct or51132_state* state = fe->demodulator_priv;
 	unsigned char cmd_buf[4];
 
 	dprintk("setmode %d\n",(int)state->current_modulation);
@@ -316,7 +316,7 @@ static int or51132_set_parameters(struct dvb_frontend* fe,
 {
 	int ret;
 	u8 buf[4];
-	struct or51132_state* state = (struct or51132_state*) fe->demodulator_priv;
+	struct or51132_state* state = fe->demodulator_priv;
 	const struct firmware *fw;
 
 	/* Change only if we are actually changing the modulation */
@@ -391,7 +391,7 @@ static int or51132_set_parameters(struct dvb_frontend* fe,
 
 static int or51132_read_status(struct dvb_frontend* fe, fe_status_t* status)
 {
-	struct or51132_state* state = (struct or51132_state*) fe->demodulator_priv;
+	struct or51132_state* state = fe->demodulator_priv;
 	unsigned char rec_buf[2];
 	unsigned char snd_buf[2];
 	*status = 0;
@@ -464,7 +464,7 @@ static unsigned int i20Log10(unsigned short val)
 
 static int or51132_read_signal_strength(struct dvb_frontend* fe, u16* strength)
 {
-	struct or51132_state* state = (struct or51132_state*) fe->demodulator_priv;
+	struct or51132_state* state = fe->demodulator_priv;
 	unsigned char rec_buf[2];
 	unsigned char snd_buf[2];
 	u8 rcvr_stat;
@@ -512,7 +512,7 @@ static int or51132_read_signal_strength(struct dvb_frontend* fe, u16* strength)
 
 static int or51132_read_snr(struct dvb_frontend* fe, u16* snr)
 {
-	struct or51132_state* state = (struct or51132_state*) fe->demodulator_priv;
+	struct or51132_state* state = fe->demodulator_priv;
 	unsigned char rec_buf[2];
 	unsigned char snd_buf[2];
 	u16 snr_equ;
@@ -549,7 +549,7 @@ static int or51132_get_tune_settings(struct dvb_frontend* fe, struct dvb_fronten
 
 static void or51132_release(struct dvb_frontend* fe)
 {
-	struct or51132_state* state = (struct or51132_state*) fe->demodulator_priv;
+	struct or51132_state* state = fe->demodulator_priv;
 	kfree(state);
 }
 
diff --git a/drivers/media/dvb/frontends/sp8870.c b/drivers/media/dvb/frontends/sp8870.c
index 58ad34ef0a0..764a95a2e21 100644
--- a/drivers/media/dvb/frontends/sp8870.c
+++ b/drivers/media/dvb/frontends/sp8870.c
@@ -248,7 +248,7 @@ static int sp8870_wake_up(struct sp8870_state* state)
 static int sp8870_set_frontend_parameters (struct dvb_frontend* fe,
 					   struct dvb_frontend_parameters *p)
 {
-	struct sp8870_state* state = (struct sp8870_state*) fe->demodulator_priv;
+	struct sp8870_state* state = fe->demodulator_priv;
 	int  err;
 	u16 reg0xc05;
 
@@ -302,7 +302,7 @@ static int sp8870_set_frontend_parameters (struct dvb_frontend* fe,
 
 static int sp8870_init (struct dvb_frontend* fe)
 {
-	struct sp8870_state* state = (struct sp8870_state*) fe->demodulator_priv;
+	struct sp8870_state* state = fe->demodulator_priv;
         const struct firmware *fw = NULL;
 
 	sp8870_wake_up(state);
@@ -358,7 +358,7 @@ static int sp8870_init (struct dvb_frontend* fe)
 
 static int sp8870_read_status (struct dvb_frontend* fe, fe_status_t * fe_status)
 {
-	struct sp8870_state* state = (struct sp8870_state*) fe->demodulator_priv;
+	struct sp8870_state* state = fe->demodulator_priv;
 	int status;
 	int signal;
 
@@ -384,7 +384,7 @@ static int sp8870_read_status (struct dvb_frontend* fe, fe_status_t * fe_status)
 
 static int sp8870_read_ber (struct dvb_frontend* fe, u32 * ber)
 {
-	struct sp8870_state* state = (struct sp8870_state*) fe->demodulator_priv;
+	struct sp8870_state* state = fe->demodulator_priv;
 	int ret;
 	u32 tmp;
 
@@ -412,7 +412,7 @@ static int sp8870_read_ber (struct dvb_frontend* fe, u32 * ber)
 
 static int sp8870_read_signal_strength(struct dvb_frontend* fe,  u16 * signal)
 {
-	struct sp8870_state* state = (struct sp8870_state*) fe->demodulator_priv;
+	struct sp8870_state* state = fe->demodulator_priv;
 	int ret;
 	u16 tmp;
 
@@ -438,7 +438,7 @@ static int sp8870_read_signal_strength(struct dvb_frontend* fe,  u16 * signal)
 
 static int sp8870_read_uncorrected_blocks (struct dvb_frontend* fe, u32* ublocks)
 {
-	struct sp8870_state* state = (struct sp8870_state*) fe->demodulator_priv;
+	struct sp8870_state* state = fe->demodulator_priv;
 	int ret;
 
 	*ublocks = 0;
@@ -467,7 +467,7 @@ static int switches = 0;
 
 static int sp8870_set_frontend (struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
 {
-	struct sp8870_state* state = (struct sp8870_state*) fe->demodulator_priv;
+	struct sp8870_state* state = fe->demodulator_priv;
 
 	/*
 	    The firmware of the sp8870 sometimes locks up after setting frontend parameters.
@@ -524,7 +524,7 @@ static int sp8870_set_frontend (struct dvb_frontend* fe, struct dvb_frontend_par
 
 static int sp8870_sleep(struct dvb_frontend* fe)
 {
-	struct sp8870_state* state = (struct sp8870_state*) fe->demodulator_priv;
+	struct sp8870_state* state = fe->demodulator_priv;
 
 	// tristate TS output and disable interface pins
 	return sp8870_writereg(state, 0xC18, 0x000);
@@ -540,7 +540,7 @@ static int sp8870_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend
 
 static void sp8870_release(struct dvb_frontend* fe)
 {
-	struct sp8870_state* state = (struct sp8870_state*) fe->demodulator_priv;
+	struct sp8870_state* state = fe->demodulator_priv;
 	kfree(state);
 }
 
@@ -552,7 +552,7 @@ struct dvb_frontend* sp8870_attach(const struct sp8870_config* config,
 	struct sp8870_state* state = NULL;
 
 	/* allocate memory for the internal state */
-	state = (struct sp8870_state*) kmalloc(sizeof(struct sp8870_state), GFP_KERNEL);
+	state = kmalloc(sizeof(struct sp8870_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
diff --git a/drivers/media/dvb/frontends/sp887x.c b/drivers/media/dvb/frontends/sp887x.c
index 7eae833ece4..d868a6927a1 100644
--- a/drivers/media/dvb/frontends/sp887x.c
+++ b/drivers/media/dvb/frontends/sp887x.c
@@ -135,7 +135,7 @@ static void sp887x_setup_agc (struct sp887x_state* state)
  */
 static int sp887x_initial_setup (struct dvb_frontend* fe, const struct firmware *fw)
 {
-	struct sp887x_state* state = (struct sp887x_state*) fe->demodulator_priv;
+	struct sp887x_state* state = fe->demodulator_priv;
 	u8 buf [BLOCKSIZE+2];
 	int i;
 	int fw_size = fw->size;
@@ -344,7 +344,7 @@ static void sp887x_correct_offsets (struct sp887x_state* state,
 static int sp887x_setup_frontend_parameters (struct dvb_frontend* fe,
 					     struct dvb_frontend_parameters *p)
 {
-	struct sp887x_state* state = (struct sp887x_state*) fe->demodulator_priv;
+	struct sp887x_state* state = fe->demodulator_priv;
 	int actual_freq, err;
 	u16 val, reg0xc05;
 
@@ -405,7 +405,7 @@ static int sp887x_setup_frontend_parameters (struct dvb_frontend* fe,
 
 static int sp887x_read_status(struct dvb_frontend* fe, fe_status_t* status)
 {
-	struct sp887x_state* state = (struct sp887x_state*) fe->demodulator_priv;
+	struct sp887x_state* state = fe->demodulator_priv;
 	u16 snr12 = sp887x_readreg(state, 0xf16);
 	u16 sync0x200 = sp887x_readreg(state, 0x200);
 	u16 sync0xf17 = sp887x_readreg(state, 0xf17);
@@ -439,7 +439,7 @@ static int sp887x_read_status(struct dvb_frontend* fe, fe_status_t* status)
 
 static int sp887x_read_ber(struct dvb_frontend* fe, u32* ber)
 {
-	struct sp887x_state* state = (struct sp887x_state*) fe->demodulator_priv;
+	struct sp887x_state* state = fe->demodulator_priv;
 
 	*ber = (sp887x_readreg(state, 0xc08) & 0x3f) |
 	       (sp887x_readreg(state, 0xc07) << 6);
@@ -453,7 +453,7 @@ static int sp887x_read_ber(struct dvb_frontend* fe, u32* ber)
 
 static int sp887x_read_signal_strength(struct dvb_frontend* fe, u16* strength)
 {
-	struct sp887x_state* state = (struct sp887x_state*) fe->demodulator_priv;
+	struct sp887x_state* state = fe->demodulator_priv;
 
 	u16 snr12 = sp887x_readreg(state, 0xf16);
 	u32 signal = 3 * (snr12 << 4);
@@ -464,7 +464,7 @@ static int sp887x_read_signal_strength(struct dvb_frontend* fe, u16* strength)
 
 static int sp887x_read_snr(struct dvb_frontend* fe, u16* snr)
 {
-	struct sp887x_state* state = (struct sp887x_state*) fe->demodulator_priv;
+	struct sp887x_state* state = fe->demodulator_priv;
 
 	u16 snr12 = sp887x_readreg(state, 0xf16);
 	*snr = (snr12 << 4) | (snr12 >> 8);
@@ -474,7 +474,7 @@ static int sp887x_read_snr(struct dvb_frontend* fe, u16* snr)
 
 static int sp887x_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
 {
-	struct sp887x_state* state = (struct sp887x_state*) fe->demodulator_priv;
+	struct sp887x_state* state = fe->demodulator_priv;
 
 	*ucblocks = sp887x_readreg(state, 0xc0c);
 	if (*ucblocks == 0xfff)
@@ -485,7 +485,7 @@ static int sp887x_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
 
 static int sp887x_sleep(struct dvb_frontend* fe)
 {
-	struct sp887x_state* state = (struct sp887x_state*) fe->demodulator_priv;
+	struct sp887x_state* state = fe->demodulator_priv;
 
 	/* tristate TS output and disable interface pins */
 	sp887x_writereg(state, 0xc18, 0x000);
@@ -495,7 +495,7 @@ static int sp887x_sleep(struct dvb_frontend* fe)
 
 static int sp887x_init(struct dvb_frontend* fe)
 {
-	struct sp887x_state* state = (struct sp887x_state*) fe->demodulator_priv;
+	struct sp887x_state* state = fe->demodulator_priv;
         const struct firmware *fw = NULL;
 	int ret;
 
@@ -534,7 +534,7 @@ static int sp887x_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend
 
 static void sp887x_release(struct dvb_frontend* fe)
 {
-	struct sp887x_state* state = (struct sp887x_state*) fe->demodulator_priv;
+	struct sp887x_state* state = fe->demodulator_priv;
 	kfree(state);
 }
 
@@ -546,7 +546,7 @@ struct dvb_frontend* sp887x_attach(const struct sp887x_config* config,
 	struct sp887x_state* state = NULL;
 
 	/* allocate memory for the internal state */
-	state = (struct sp887x_state*) kmalloc(sizeof(struct sp887x_state), GFP_KERNEL);
+	state = kmalloc(sizeof(struct sp887x_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
diff --git a/drivers/media/dvb/frontends/stv0297.c b/drivers/media/dvb/frontends/stv0297.c
index 502c6403dfc..e681263bf07 100644
--- a/drivers/media/dvb/frontends/stv0297.c
+++ b/drivers/media/dvb/frontends/stv0297.c
@@ -365,7 +365,7 @@ static int stv0297_set_inversion(struct stv0297_state *state, fe_spectral_invers
 
 int stv0297_enable_plli2c(struct dvb_frontend *fe)
 {
-	struct stv0297_state *state = (struct stv0297_state *) fe->demodulator_priv;
+	struct stv0297_state *state = fe->demodulator_priv;
 
 	stv0297_writereg(state, 0x87, 0x78);
 	stv0297_writereg(state, 0x86, 0xc8);
@@ -375,7 +375,7 @@ int stv0297_enable_plli2c(struct dvb_frontend *fe)
 
 static int stv0297_init(struct dvb_frontend *fe)
 {
-	struct stv0297_state *state = (struct stv0297_state *) fe->demodulator_priv;
+	struct stv0297_state *state = fe->demodulator_priv;
 	int i;
 
 	/* soft reset */
@@ -416,7 +416,7 @@ static int stv0297_init(struct dvb_frontend *fe)
 
 static int stv0297_sleep(struct dvb_frontend *fe)
 {
-	struct stv0297_state *state = (struct stv0297_state *) fe->demodulator_priv;
+	struct stv0297_state *state = fe->demodulator_priv;
 
 	stv0297_writereg_mask(state, 0x80, 1, 1);
 
@@ -425,7 +425,7 @@ static int stv0297_sleep(struct dvb_frontend *fe)
 
 static int stv0297_read_status(struct dvb_frontend *fe, fe_status_t * status)
 {
-	struct stv0297_state *state = (struct stv0297_state *) fe->demodulator_priv;
+	struct stv0297_state *state = fe->demodulator_priv;
 
 	u8 sync = stv0297_readreg(state, 0xDF);
 
@@ -438,7 +438,7 @@ static int stv0297_read_status(struct dvb_frontend *fe, fe_status_t * status)
 
 static int stv0297_read_ber(struct dvb_frontend *fe, u32 * ber)
 {
-	struct stv0297_state *state = (struct stv0297_state *) fe->demodulator_priv;
+	struct stv0297_state *state = fe->demodulator_priv;
 	u8 BER[3];
 
 	stv0297_writereg(state, 0xA0, 0x80);	// Start Counting bit errors for 4096 Bytes
@@ -453,7 +453,7 @@ static int stv0297_read_ber(struct dvb_frontend *fe, u32 * ber)
 
 static int stv0297_read_signal_strength(struct dvb_frontend *fe, u16 * strength)
 {
-	struct stv0297_state *state = (struct stv0297_state *) fe->demodulator_priv;
+	struct stv0297_state *state = fe->demodulator_priv;
 	u8 STRENGTH[2];
 
 	stv0297_readregs(state, 0x41, STRENGTH, 2);
@@ -464,7 +464,7 @@ static int stv0297_read_signal_strength(struct dvb_frontend *fe, u16 * strength)
 
 static int stv0297_read_snr(struct dvb_frontend *fe, u16 * snr)
 {
-	struct stv0297_state *state = (struct stv0297_state *) fe->demodulator_priv;
+	struct stv0297_state *state = fe->demodulator_priv;
 	u8 SNR[2];
 
 	stv0297_readregs(state, 0x07, SNR, 2);
@@ -475,7 +475,7 @@ static int stv0297_read_snr(struct dvb_frontend *fe, u16 * snr)
 
 static int stv0297_read_ucblocks(struct dvb_frontend *fe, u32 * ucblocks)
 {
-	struct stv0297_state *state = (struct stv0297_state *) fe->demodulator_priv;
+	struct stv0297_state *state = fe->demodulator_priv;
 
 	*ucblocks = (stv0297_readreg(state, 0xD5) << 8)
 		| stv0297_readreg(state, 0xD4);
@@ -485,7 +485,7 @@ static int stv0297_read_ucblocks(struct dvb_frontend *fe, u32 * ucblocks)
 
 static int stv0297_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
 {
-	struct stv0297_state *state = (struct stv0297_state *) fe->demodulator_priv;
+	struct stv0297_state *state = fe->demodulator_priv;
 	int u_threshold;
 	int initial_u;
 	int blind_u;
@@ -689,7 +689,7 @@ timeout:
 
 static int stv0297_get_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
 {
-	struct stv0297_state *state = (struct stv0297_state *) fe->demodulator_priv;
+	struct stv0297_state *state = fe->demodulator_priv;
 	int reg_00, reg_83;
 
 	reg_00 = stv0297_readreg(state, 0x00);
@@ -725,7 +725,7 @@ static int stv0297_get_frontend(struct dvb_frontend *fe, struct dvb_frontend_par
 
 static void stv0297_release(struct dvb_frontend *fe)
 {
-	struct stv0297_state *state = (struct stv0297_state *) fe->demodulator_priv;
+	struct stv0297_state *state = fe->demodulator_priv;
 	kfree(state);
 }
 
@@ -737,7 +737,7 @@ struct dvb_frontend *stv0297_attach(const struct stv0297_config *config,
 	struct stv0297_state *state = NULL;
 
 	/* allocate memory for the internal state */
-	state = (struct stv0297_state *) kmalloc(sizeof(struct stv0297_state), GFP_KERNEL);
+	state = kmalloc(sizeof(struct stv0297_state), GFP_KERNEL);
 	if (state == NULL)
 		goto error;
 
diff --git a/drivers/media/dvb/frontends/stv0299.c b/drivers/media/dvb/frontends/stv0299.c
index 15b40541b62..cfa3928bb48 100644
--- a/drivers/media/dvb/frontends/stv0299.c
+++ b/drivers/media/dvb/frontends/stv0299.c
@@ -70,6 +70,7 @@ struct stv0299_state {
 #define STATUS_UCBLOCKS 1
 
 static int debug;
+static int debug_legacy_dish_switch;
 #define dprintk(args...) \
 	do { \
 		if (debug) printk(KERN_DEBUG "stv0299: " args); \
@@ -93,7 +94,7 @@ static int stv0299_writeregI (struct stv0299_state* state, u8 reg, u8 data)
 
 int stv0299_writereg (struct dvb_frontend* fe, u8 reg, u8 data)
 {
-        struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+        struct stv0299_state* state = fe->demodulator_priv;
 
 	return stv0299_writeregI(state, reg, data);
 }
@@ -218,7 +219,7 @@ static int stv0299_wait_diseqc_idle (struct stv0299_state* state, int timeout)
 
 static int stv0299_set_symbolrate (struct dvb_frontend* fe, u32 srate)
 {
-        struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+        struct stv0299_state* state = fe->demodulator_priv;
 	u64 big = srate;
 	u32 ratio;
 
@@ -269,7 +270,7 @@ static int stv0299_get_symbolrate (struct stv0299_state* state)
 static int stv0299_send_diseqc_msg (struct dvb_frontend* fe,
 				    struct dvb_diseqc_master_cmd *m)
 {
-        struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+        struct stv0299_state* state = fe->demodulator_priv;
 	u8 val;
 	int i;
 
@@ -299,7 +300,7 @@ static int stv0299_send_diseqc_msg (struct dvb_frontend* fe,
 
 static int stv0299_send_diseqc_burst (struct dvb_frontend* fe, fe_sec_mini_cmd_t burst)
 {
-        struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+        struct stv0299_state* state = fe->demodulator_priv;
 	u8 val;
 
 	dprintk ("%s\n", __FUNCTION__);
@@ -326,7 +327,7 @@ static int stv0299_send_diseqc_burst (struct dvb_frontend* fe, fe_sec_mini_cmd_t
 
 static int stv0299_set_tone (struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
 {
-        struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+        struct stv0299_state* state = fe->demodulator_priv;
 	u8 val;
 
 	if (stv0299_wait_diseqc_idle (state, 100) < 0)
@@ -348,7 +349,7 @@ static int stv0299_set_tone (struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
 
 static int stv0299_set_voltage (struct dvb_frontend* fe, fe_sec_voltage_t voltage)
 {
-        struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+        struct stv0299_state* state = fe->demodulator_priv;
 	u8 reg0x08;
 	u8 reg0x0c;
 
@@ -385,34 +386,84 @@ static int stv0299_set_voltage (struct dvb_frontend* fe, fe_sec_voltage_t voltag
 	};
 }
 
-static int stv0299_send_legacy_dish_cmd(struct dvb_frontend* fe, u32 cmd)
+static inline s32 stv0299_calc_usec_delay (struct timeval lasttime, struct timeval curtime)
 {
+	return ((curtime.tv_usec < lasttime.tv_usec) ?
+		1000000 - lasttime.tv_usec + curtime.tv_usec :
+		curtime.tv_usec - lasttime.tv_usec);
+}
+
+static void stv0299_sleep_until (struct timeval *waketime, u32 add_usec)
+{
+	struct timeval lasttime;
+	s32 delta, newdelta;
+
+	waketime->tv_usec += add_usec;
+	if (waketime->tv_usec >= 1000000) {
+		waketime->tv_usec -= 1000000;
+		waketime->tv_sec++;
+	}
+
+	do_gettimeofday (&lasttime);
+	delta = stv0299_calc_usec_delay (lasttime, *waketime);
+	if (delta > 2500) {
+		msleep ((delta - 1500) / 1000);
+		do_gettimeofday (&lasttime);
+		newdelta = stv0299_calc_usec_delay (lasttime, *waketime);
+		delta = (newdelta > delta) ? 0 : newdelta;
+	}
+	if (delta > 0)
+		udelay (delta);
+}
+
+static int stv0299_send_legacy_dish_cmd (struct dvb_frontend* fe, u32 cmd)
+{
+	struct stv0299_state* state = fe->demodulator_priv;
+	u8 reg0x08;
+	u8 reg0x0c;
+	u8 lv_mask = 0x40;
 	u8 last = 1;
 	int i;
+	struct timeval nexttime;
+	struct timeval tv[10];
 
-	/* reset voltage at the end
-	if((0x50 & stv0299_readreg (i2c, 0x0c)) == 0x50)
-		cmd |= 0x80;
-	else
-		cmd &= 0x7F;
-	*/
+	reg0x08 = stv0299_readreg (state, 0x08);
+	reg0x0c = stv0299_readreg (state, 0x0c);
+	reg0x0c &= 0x0f;
+	stv0299_writeregI (state, 0x08, (reg0x08 & 0x3f) | (state->config->lock_output << 6));
+	if (state->config->volt13_op0_op1 == STV0299_VOLT13_OP0)
+		lv_mask = 0x10;
 
 	cmd = cmd << 1;
-	dprintk("%s switch command: 0x%04x\n",__FUNCTION__, cmd);
+	if (debug_legacy_dish_switch)
+		printk ("%s switch command: 0x%04x\n",__FUNCTION__, cmd);
+
+	do_gettimeofday (&nexttime);
+	if (debug_legacy_dish_switch)
+		memcpy (&tv[0], &nexttime, sizeof (struct timeval));
+	stv0299_writeregI (state, 0x0c, reg0x0c | 0x50); /* set LNB to 18V */
 
-	stv0299_set_voltage(fe,SEC_VOLTAGE_18);
-	msleep(32);
+	stv0299_sleep_until (&nexttime, 32000);
 
 	for (i=0; i<9; i++) {
+		if (debug_legacy_dish_switch)
+			do_gettimeofday (&tv[i+1]);
 		if((cmd & 0x01) != last) {
-			stv0299_set_voltage(fe, last ? SEC_VOLTAGE_13 : SEC_VOLTAGE_18);
+			/* set voltage to (last ? 13V : 18V) */
+			stv0299_writeregI (state, 0x0c, reg0x0c | (last ? lv_mask : 0x50));
 			last = (last) ? 0 : 1;
 		}
 
 		cmd = cmd >> 1;
 
 		if (i != 8)
-			msleep(8);
+			stv0299_sleep_until (&nexttime, 8000);
+	}
+	if (debug_legacy_dish_switch) {
+		printk ("%s(%d): switch delay (should be 32k followed by all 8k\n",
+			__FUNCTION__, fe->dvb->num);
+		for (i=1; i < 10; i++)
+			printk ("%d: %d\n", i, stv0299_calc_usec_delay (tv[i-1] , tv[i]));
 	}
 
 	return 0;
@@ -420,7 +471,7 @@ static int stv0299_send_legacy_dish_cmd(struct dvb_frontend* fe, u32 cmd)
 
 static int stv0299_init (struct dvb_frontend* fe)
 {
-        struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+        struct stv0299_state* state = fe->demodulator_priv;
 	int i;
 
 	dprintk("stv0299: init chip\n");
@@ -439,7 +490,7 @@ static int stv0299_init (struct dvb_frontend* fe)
 
 static int stv0299_read_status(struct dvb_frontend* fe, fe_status_t* status)
 {
-        struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+        struct stv0299_state* state = fe->demodulator_priv;
 
 	u8 signal = 0xff - stv0299_readreg (state, 0x18);
 	u8 sync = stv0299_readreg (state, 0x1b);
@@ -467,7 +518,7 @@ static int stv0299_read_status(struct dvb_frontend* fe, fe_status_t* status)
 
 static int stv0299_read_ber(struct dvb_frontend* fe, u32* ber)
 {
-        struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+        struct stv0299_state* state = fe->demodulator_priv;
 
 	if (state->errmode != STATUS_BER) return 0;
 	*ber = (stv0299_readreg (state, 0x1d) << 8) | stv0299_readreg (state, 0x1e);
@@ -477,7 +528,7 @@ static int stv0299_read_ber(struct dvb_frontend* fe, u32* ber)
 
 static int stv0299_read_signal_strength(struct dvb_frontend* fe, u16* strength)
 {
-        struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+        struct stv0299_state* state = fe->demodulator_priv;
 
 	s32 signal =  0xffff - ((stv0299_readreg (state, 0x18) << 8)
 			       | stv0299_readreg (state, 0x19));
@@ -494,7 +545,7 @@ static int stv0299_read_signal_strength(struct dvb_frontend* fe, u16* strength)
 
 static int stv0299_read_snr(struct dvb_frontend* fe, u16* snr)
 {
-        struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+        struct stv0299_state* state = fe->demodulator_priv;
 
 	s32 xsnr = 0xffff - ((stv0299_readreg (state, 0x24) << 8)
 			   | stv0299_readreg (state, 0x25));
@@ -506,7 +557,7 @@ static int stv0299_read_snr(struct dvb_frontend* fe, u16* snr)
 
 static int stv0299_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
 {
-        struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+        struct stv0299_state* state = fe->demodulator_priv;
 
 	if (state->errmode != STATUS_UCBLOCKS) *ucblocks = 0;
 	else *ucblocks = (stv0299_readreg (state, 0x1d) << 8) | stv0299_readreg (state, 0x1e);
@@ -516,7 +567,7 @@ static int stv0299_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
 
 static int stv0299_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters * p)
 {
-        struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+        struct stv0299_state* state = fe->demodulator_priv;
 	int invval = 0;
 
 	dprintk ("%s : FE_SET_FRONTEND\n", __FUNCTION__);
@@ -584,7 +635,7 @@ static int stv0299_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
 
 static int stv0299_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters * p)
 {
-        struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+        struct stv0299_state* state = fe->demodulator_priv;
 	s32 derot_freq;
 	int invval;
 
@@ -609,7 +660,7 @@ static int stv0299_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
 
 static int stv0299_sleep(struct dvb_frontend* fe)
 {
-        struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+        struct stv0299_state* state = fe->demodulator_priv;
 
 	stv0299_writeregI(state, 0x02, 0x80);
 	state->initialised = 0;
@@ -619,7 +670,7 @@ static int stv0299_sleep(struct dvb_frontend* fe)
 
 static int stv0299_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings)
 {
-        struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+        struct stv0299_state* state = fe->demodulator_priv;
 
 	fesettings->min_delay_ms = state->config->min_delay_ms;
 	if (fesettings->parameters.u.qpsk.symbol_rate < 10000000) {
@@ -634,7 +685,7 @@ static int stv0299_get_tune_settings(struct dvb_frontend* fe, struct dvb_fronten
 
 static void stv0299_release(struct dvb_frontend* fe)
 {
-	struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+	struct stv0299_state* state = fe->demodulator_priv;
 	kfree(state);
 }
 
@@ -647,7 +698,7 @@ struct dvb_frontend* stv0299_attach(const struct stv0299_config* config,
 	int id;
 
 	/* allocate memory for the internal state */
-	state = (struct stv0299_state*) kmalloc(sizeof(struct stv0299_state), GFP_KERNEL);
+	state = kmalloc(sizeof(struct stv0299_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
@@ -719,6 +770,9 @@ static struct dvb_frontend_ops stv0299_ops = {
 	.dishnetwork_send_legacy_command = stv0299_send_legacy_dish_cmd,
 };
 
+module_param(debug_legacy_dish_switch, int, 0444);
+MODULE_PARM_DESC(debug_legacy_dish_switch, "Enable timing analysis for Dish Network legacy switches");
+
 module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
 
diff --git a/drivers/media/dvb/frontends/tda10021.c b/drivers/media/dvb/frontends/tda10021.c
index 4e40d95ee95..87d5f4d8790 100644
--- a/drivers/media/dvb/frontends/tda10021.c
+++ b/drivers/media/dvb/frontends/tda10021.c
@@ -205,7 +205,7 @@ static int tda10021_set_symbolrate (struct tda10021_state* state, u32 symbolrate
 
 static int tda10021_init (struct dvb_frontend *fe)
 {
-	struct tda10021_state* state = (struct tda10021_state*) fe->demodulator_priv;
+	struct tda10021_state* state = fe->demodulator_priv;
 	int i;
 
 	dprintk("DVB: TDA10021(%d): init chip\n", fe->adapter->num);
@@ -238,7 +238,7 @@ static int tda10021_init (struct dvb_frontend *fe)
 static int tda10021_set_parameters (struct dvb_frontend *fe,
 			    struct dvb_frontend_parameters *p)
 {
-	struct tda10021_state* state = (struct tda10021_state*) fe->demodulator_priv;
+	struct tda10021_state* state = fe->demodulator_priv;
 
 	//table for QAM4-QAM256 ready  QAM4  QAM16 QAM32 QAM64 QAM128 QAM256
 	//CONF
@@ -278,7 +278,7 @@ static int tda10021_set_parameters (struct dvb_frontend *fe,
 
 static int tda10021_read_status(struct dvb_frontend* fe, fe_status_t* status)
 {
-	struct tda10021_state* state = (struct tda10021_state*) fe->demodulator_priv;
+	struct tda10021_state* state = fe->demodulator_priv;
 	int sync;
 
 	*status = 0;
@@ -303,7 +303,7 @@ static int tda10021_read_status(struct dvb_frontend* fe, fe_status_t* status)
 
 static int tda10021_read_ber(struct dvb_frontend* fe, u32* ber)
 {
-	struct tda10021_state* state = (struct tda10021_state*) fe->demodulator_priv;
+	struct tda10021_state* state = fe->demodulator_priv;
 
 	u32 _ber = tda10021_readreg(state, 0x14) |
 		(tda10021_readreg(state, 0x15) << 8) |
@@ -315,7 +315,7 @@ static int tda10021_read_ber(struct dvb_frontend* fe, u32* ber)
 
 static int tda10021_read_signal_strength(struct dvb_frontend* fe, u16* strength)
 {
-	struct tda10021_state* state = (struct tda10021_state*) fe->demodulator_priv;
+	struct tda10021_state* state = fe->demodulator_priv;
 
 	u8 gain = tda10021_readreg(state, 0x17);
 	*strength = (gain << 8) | gain;
@@ -325,7 +325,7 @@ static int tda10021_read_signal_strength(struct dvb_frontend* fe, u16* strength)
 
 static int tda10021_read_snr(struct dvb_frontend* fe, u16* snr)
 {
-	struct tda10021_state* state = (struct tda10021_state*) fe->demodulator_priv;
+	struct tda10021_state* state = fe->demodulator_priv;
 
 	u8 quality = ~tda10021_readreg(state, 0x18);
 	*snr = (quality << 8) | quality;
@@ -335,7 +335,7 @@ static int tda10021_read_snr(struct dvb_frontend* fe, u16* snr)
 
 static int tda10021_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
 {
-	struct tda10021_state* state = (struct tda10021_state*) fe->demodulator_priv;
+	struct tda10021_state* state = fe->demodulator_priv;
 
 	*ucblocks = tda10021_readreg (state, 0x13) & 0x7f;
 	if (*ucblocks == 0x7f)
@@ -350,7 +350,7 @@ static int tda10021_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
 
 static int tda10021_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
 {
-	struct tda10021_state* state = (struct tda10021_state*) fe->demodulator_priv;
+	struct tda10021_state* state = fe->demodulator_priv;
 	int sync;
 	s8 afc = 0;
 
@@ -378,7 +378,7 @@ static int tda10021_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_pa
 
 static int tda10021_sleep(struct dvb_frontend* fe)
 {
-	struct tda10021_state* state = (struct tda10021_state*) fe->demodulator_priv;
+	struct tda10021_state* state = fe->demodulator_priv;
 
 	tda10021_writereg (state, 0x1b, 0x02);  /* pdown ADC */
 	tda10021_writereg (state, 0x00, 0x80);  /* standby */
@@ -388,7 +388,7 @@ static int tda10021_sleep(struct dvb_frontend* fe)
 
 static void tda10021_release(struct dvb_frontend* fe)
 {
-	struct tda10021_state* state = (struct tda10021_state*) fe->demodulator_priv;
+	struct tda10021_state* state = fe->demodulator_priv;
 	kfree(state);
 }
 
@@ -401,7 +401,7 @@ struct dvb_frontend* tda10021_attach(const struct tda10021_config* config,
 	struct tda10021_state* state = NULL;
 
 	/* allocate memory for the internal state */
-	state = (struct tda10021_state*) kmalloc(sizeof(struct tda10021_state), GFP_KERNEL);
+	state = kmalloc(sizeof(struct tda10021_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
diff --git a/drivers/media/dvb/frontends/tda1004x.c b/drivers/media/dvb/frontends/tda1004x.c
index 687ad9cf338..0beb370792a 100644
--- a/drivers/media/dvb/frontends/tda1004x.c
+++ b/drivers/media/dvb/frontends/tda1004x.c
@@ -35,9 +35,10 @@
 #include "dvb_frontend.h"
 #include "tda1004x.h"
 
-#define TDA1004X_DEMOD_TDA10045 0
-#define TDA1004X_DEMOD_TDA10046 1
-
+enum tda1004x_demod {
+	TDA1004X_DEMOD_TDA10045,
+	TDA1004X_DEMOD_TDA10046,
+};
 
 struct tda1004x_state {
 	struct i2c_adapter* i2c;
@@ -46,8 +47,9 @@ struct tda1004x_state {
 	struct dvb_frontend frontend;
 
 	/* private demod data */
-	u8 initialised:1;
-	u8 demod_type;
+	u8 initialised;
+	enum tda1004x_demod demod_type;
+	u8 fw_version;
 };
 
 
@@ -139,7 +141,7 @@ static int tda1004x_write_byteI(struct tda1004x_state *state, int reg, int data)
 {
 	int ret;
 	u8 buf[] = { reg, data };
-	struct i2c_msg msg = { .addr=0, .flags=0, .buf=buf, .len=2 };
+	struct i2c_msg msg = { .flags = 0, .buf = buf, .len = 2 };
 
 	dprintk("%s: reg=0x%x, data=0x%x\n", __FUNCTION__, reg, data);
 
@@ -160,8 +162,8 @@ static int tda1004x_read_byte(struct tda1004x_state *state, int reg)
 	int ret;
 	u8 b0[] = { reg };
 	u8 b1[] = { 0 };
-	struct i2c_msg msg[] = {{ .addr=0, .flags=0, .buf=b0, .len=1},
-				{ .addr=0, .flags=I2C_M_RD, .buf=b1, .len = 1}};
+	struct i2c_msg msg[] = {{ .flags = 0, .buf = b0, .len = 1 },
+				{ .flags = I2C_M_RD, .buf = b1, .len = 1 }};
 
 	dprintk("%s: reg=0x%x\n", __FUNCTION__, reg);
 
@@ -294,7 +296,7 @@ static int tda1004x_do_upload(struct tda1004x_state *state,
 			      u8 dspCodeCounterReg, u8 dspCodeInReg)
 {
 	u8 buf[65];
-	struct i2c_msg fw_msg = {.addr = 0,.flags = 0,.buf = buf,.len = 0 };
+	struct i2c_msg fw_msg = { .flags = 0, .buf = buf, .len = 0 };
 	int tx_size;
 	int pos = 0;
 
@@ -304,12 +306,10 @@ static int tda1004x_do_upload(struct tda1004x_state *state,
 
 	buf[0] = dspCodeInReg;
 	while (pos != len) {
-
 		// work out how much to send this time
 		tx_size = len - pos;
-		if (tx_size > 0x10) {
+		if (tx_size > 0x10)
 			tx_size = 0x10;
-		}
 
 		// send the chunk
 		memcpy(buf + 1, mem + pos, tx_size);
@@ -322,6 +322,7 @@ static int tda1004x_do_upload(struct tda1004x_state *state,
 
 		dprintk("%s: fw_pos=0x%x\n", __FUNCTION__, pos);
 	}
+
 	return 0;
 }
 
@@ -335,9 +336,8 @@ static int tda1004x_check_upload_ok(struct tda1004x_state *state, u8 dspVersion)
 
 	data1 = tda1004x_read_byte(state, TDA1004X_DSP_DATA1);
 	data2 = tda1004x_read_byte(state, TDA1004X_DSP_DATA2);
-	if (data1 != 0x67 || data2 != dspVersion) {
+	if ((data1 != 0x67) || (data2 != dspVersion))
 		return -EIO;
-	}
 
 	return 0;
 }
@@ -348,9 +348,9 @@ static int tda10045_fwupload(struct dvb_frontend* fe)
 	int ret;
 	const struct firmware *fw;
 
-
 	/* don't re-upload unless necessary */
-	if (tda1004x_check_upload_ok(state, 0x2c) == 0) return 0;
+	if (tda1004x_check_upload_ok(state, 0x2c) == 0)
+		return 0;
 
 	/* request the firmware, this will block until someone uploads it */
 	printk("tda1004x: waiting for firmware upload (%s)...\n", TDA10045_DEFAULT_FIRMWARE);
@@ -381,6 +381,25 @@ static int tda10045_fwupload(struct dvb_frontend* fe)
 	return tda1004x_check_upload_ok(state, 0x2c);
 }
 
+static int tda10046_get_fw_version(struct tda1004x_state *state,
+				   const struct firmware *fw)
+{
+	const unsigned char pattern[] = { 0x67, 0x00, 0x50, 0x62, 0x5e, 0x18, 0x67 };
+	unsigned int i;
+
+	/* area guessed from firmware v20, v21 and v25 */
+	for (i = 0x660; i < 0x700; i++) {
+		if (!memcmp(&fw->data[i], pattern, sizeof(pattern))) {
+			state->fw_version = fw->data[i + sizeof(pattern)];
+			printk(KERN_INFO "tda1004x: using firmware v%02x\n",
+					state->fw_version);
+			return 0;
+		}
+	}
+
+	return -EINVAL;
+}
+
 static int tda10046_fwupload(struct dvb_frontend* fe)
 {
 	struct tda1004x_state* state = fe->demodulator_priv;
@@ -394,7 +413,8 @@ static int tda10046_fwupload(struct dvb_frontend* fe)
 	msleep(100);
 
 	/* don't re-upload unless necessary */
-	if (tda1004x_check_upload_ok(state, 0x20) == 0) return 0;
+	if (tda1004x_check_upload_ok(state, state->fw_version) == 0)
+		return 0;
 
 	/* request the firmware, this will block until someone uploads it */
 	printk("tda1004x: waiting for firmware upload (%s)...\n", TDA10046_DEFAULT_FIRMWARE);
@@ -404,9 +424,20 @@ static int tda10046_fwupload(struct dvb_frontend* fe)
 		return ret;
 	}
 
+	if (fw->size < 24478) { /* size of firmware v20, which is the smallest of v20, v21 and v25 */
+		printk("tda1004x: firmware file seems to be too small (%d bytes)\n", fw->size);
+		return -EINVAL;
+	}
+
+	ret = tda10046_get_fw_version(state, fw);
+	if (ret < 0) {
+		printk("tda1004x: unable to find firmware version\n");
+		return ret;
+	}
+
 	/* set parameters */
 	tda1004x_write_byteI(state, TDA10046H_CONFPLL2, 10);
-	tda1004x_write_byteI(state, TDA10046H_CONFPLL3, 0);
+	tda1004x_write_byteI(state, TDA10046H_CONFPLL3, state->config->n_i2c);
 	tda1004x_write_byteI(state, TDA10046H_FREQ_OFFSET, 99);
 	tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0xd4);
 	tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x2c);
@@ -419,7 +450,7 @@ static int tda10046_fwupload(struct dvb_frontend* fe)
 
 	/* wait for DSP to initialise */
 	timeout = jiffies + HZ;
-	while(!(tda1004x_read_byte(state, TDA1004X_STATUS_CD) & 0x20)) {
+	while (!(tda1004x_read_byte(state, TDA1004X_STATUS_CD) & 0x20)) {
 		if (time_after(jiffies, timeout)) {
 			printk("tda1004x: DSP failed to initialised.\n");
 			return -EIO;
@@ -427,7 +458,7 @@ static int tda10046_fwupload(struct dvb_frontend* fe)
 		msleep(1);
 	}
 
-	return tda1004x_check_upload_ok(state, 0x20);
+	return tda1004x_check_upload_ok(state, state->fw_version);
 }
 
 static int tda1004x_encode_fec(int fec)
@@ -483,7 +514,8 @@ static int tda10045_init(struct dvb_frontend* fe)
 
 	dprintk("%s\n", __FUNCTION__);
 
-	if (state->initialised) return 0;
+	if (state->initialised)
+		return 0;
 
 	if (tda10045_fwupload(fe)) {
 		printk("tda1004x: firmware upload failed\n");
@@ -523,7 +555,8 @@ static int tda10046_init(struct dvb_frontend* fe)
 	struct tda1004x_state* state = fe->demodulator_priv;
 	dprintk("%s\n", __FUNCTION__);
 
-	if (state->initialised) return 0;
+	if (state->initialised)
+		return 0;
 
 	if (tda10046_fwupload(fe)) {
 		printk("tda1004x: firmware upload failed\n");
@@ -545,7 +578,7 @@ static int tda10046_init(struct dvb_frontend* fe)
 	tda1004x_write_mask(state, TDA1004X_AUTO, 8, 0); // select HP stream
 	tda1004x_write_mask(state, TDA1004X_CONFC1, 0x80, 0); // disable pulse killer
 	tda1004x_write_byteI(state, TDA10046H_CONFPLL2, 10); // PLL M = 10
-	tda1004x_write_byteI(state, TDA10046H_CONFPLL3, 0); // PLL P = N = 0
+	tda1004x_write_byteI(state, TDA10046H_CONFPLL3, state->config->n_i2c); // PLL P = N = 0
 	tda1004x_write_byteI(state, TDA10046H_FREQ_OFFSET, 99); // FREQOFFS = 99
 	tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0xd4); // } PHY2 = -11221
 	tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x2c); // }
@@ -621,12 +654,14 @@ static int tda1004x_set_fe(struct dvb_frontend* fe,
 
 		// set HP FEC
 		tmp = tda1004x_encode_fec(fe_params->u.ofdm.code_rate_HP);
-		if (tmp < 0) return tmp;
+		if (tmp < 0)
+			return tmp;
 		tda1004x_write_mask(state, TDA1004X_IN_CONF2, 7, tmp);
 
 		// set LP FEC
 		tmp = tda1004x_encode_fec(fe_params->u.ofdm.code_rate_LP);
-		if (tmp < 0) return tmp;
+		if (tmp < 0)
+			return tmp;
 		tda1004x_write_mask(state, TDA1004X_IN_CONF2, 0x38, tmp << 3);
 
 		// set constellation
@@ -671,7 +706,7 @@ static int tda1004x_set_fe(struct dvb_frontend* fe,
 	}
 
 	// set bandwidth
-	switch(state->demod_type) {
+	switch (state->demod_type) {
 	case TDA1004X_DEMOD_TDA10045:
 		tda10045h_set_bandwidth(state, fe_params->u.ofdm.bandwidth);
 		break;
@@ -683,7 +718,8 @@ static int tda1004x_set_fe(struct dvb_frontend* fe,
 
 	// set inversion
 	inversion = fe_params->inversion;
-	if (state->config->invert) inversion = inversion ? INVERSION_OFF : INVERSION_ON;
+	if (state->config->invert)
+		inversion = inversion ? INVERSION_OFF : INVERSION_ON;
 	switch (inversion) {
 	case INVERSION_OFF:
 		tda1004x_write_mask(state, TDA1004X_CONFC1, 0x20, 0);
@@ -750,19 +786,19 @@ static int tda1004x_set_fe(struct dvb_frontend* fe,
 	}
 
 	// start the lock
-	switch(state->demod_type) {
+	switch (state->demod_type) {
 	case TDA1004X_DEMOD_TDA10045:
 		tda1004x_write_mask(state, TDA1004X_CONFC4, 8, 8);
 		tda1004x_write_mask(state, TDA1004X_CONFC4, 8, 0);
-		msleep(10);
 		break;
 
 	case TDA1004X_DEMOD_TDA10046:
 		tda1004x_write_mask(state, TDA1004X_AUTO, 0x40, 0x40);
-		msleep(10);
 		break;
 	}
 
+	msleep(10);
+
 	return 0;
 }
 
@@ -773,13 +809,13 @@ static int tda1004x_get_fe(struct dvb_frontend* fe, struct dvb_frontend_paramete
 
 	// inversion status
 	fe_params->inversion = INVERSION_OFF;
-	if (tda1004x_read_byte(state, TDA1004X_CONFC1) & 0x20) {
+	if (tda1004x_read_byte(state, TDA1004X_CONFC1) & 0x20)
 		fe_params->inversion = INVERSION_ON;
-	}
-	if (state->config->invert) fe_params->inversion = fe_params->inversion ? INVERSION_OFF : INVERSION_ON;
+	if (state->config->invert)
+		fe_params->inversion = fe_params->inversion ? INVERSION_OFF : INVERSION_ON;
 
 	// bandwidth
-	switch(state->demod_type) {
+	switch (state->demod_type) {
 	case TDA1004X_DEMOD_TDA10045:
 		switch (tda1004x_read_byte(state, TDA10045H_WREF_LSB)) {
 		case 0x14:
@@ -830,9 +866,8 @@ static int tda1004x_get_fe(struct dvb_frontend* fe, struct dvb_frontend_paramete
 
 	// transmission mode
 	fe_params->u.ofdm.transmission_mode = TRANSMISSION_MODE_2K;
-	if (tda1004x_read_byte(state, TDA1004X_OUT_CONF1) & 0x10) {
+	if (tda1004x_read_byte(state, TDA1004X_OUT_CONF1) & 0x10)
 		fe_params->u.ofdm.transmission_mode = TRANSMISSION_MODE_8K;
-	}
 
 	// guard interval
 	switch ((tda1004x_read_byte(state, TDA1004X_OUT_CONF1) & 0x0c) >> 2) {
@@ -880,30 +915,33 @@ static int tda1004x_read_status(struct dvb_frontend* fe, fe_status_t * fe_status
 
 	// read status
 	status = tda1004x_read_byte(state, TDA1004X_STATUS_CD);
-	if (status == -1) {
+	if (status == -1)
 		return -EIO;
-	}
 
 	// decode
 	*fe_status = 0;
-	if (status & 4) *fe_status |= FE_HAS_SIGNAL;
-	if (status & 2) *fe_status |= FE_HAS_CARRIER;
-	if (status & 8) *fe_status |= FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
+	if (status & 4)
+		*fe_status |= FE_HAS_SIGNAL;
+	if (status & 2)
+		*fe_status |= FE_HAS_CARRIER;
+	if (status & 8)
+		*fe_status |= FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
 
 	// if we don't already have VITERBI (i.e. not LOCKED), see if the viterbi
 	// is getting anything valid
 	if (!(*fe_status & FE_HAS_VITERBI)) {
 		// read the CBER
 		cber = tda1004x_read_byte(state, TDA1004X_CBER_LSB);
-		if (cber == -1) return -EIO;
+		if (cber == -1)
+			return -EIO;
 		status = tda1004x_read_byte(state, TDA1004X_CBER_MSB);
-		if (status == -1) return -EIO;
+		if (status == -1)
+			return -EIO;
 		cber |= (status << 8);
 		tda1004x_read_byte(state, TDA1004X_CBER_RESET);
 
-		if (cber != 65535) {
+		if (cber != 65535)
 			*fe_status |= FE_HAS_VITERBI;
-		}
 	}
 
 	// if we DO have some valid VITERBI output, but don't already have SYNC
@@ -911,20 +949,22 @@ static int tda1004x_read_status(struct dvb_frontend* fe, fe_status_t * fe_status
 	if ((*fe_status & FE_HAS_VITERBI) && (!(*fe_status & FE_HAS_SYNC))) {
 		// read the VBER
 		vber = tda1004x_read_byte(state, TDA1004X_VBER_LSB);
-		if (vber == -1) return -EIO;
+		if (vber == -1)
+			return -EIO;
 		status = tda1004x_read_byte(state, TDA1004X_VBER_MID);
-		if (status == -1) return -EIO;
+		if (status == -1)
+			return -EIO;
 		vber |= (status << 8);
 		status = tda1004x_read_byte(state, TDA1004X_VBER_MSB);
-		if (status == -1) return -EIO;
+		if (status == -1)
+			return -EIO;
 		vber |= ((status << 16) & 0x0f);
 		tda1004x_read_byte(state, TDA1004X_CVBER_LUT);
 
 		// if RS has passed some valid TS packets, then we must be
 		// getting some SYNC bytes
-		if (vber < 16632) {
+		if (vber < 16632)
 			*fe_status |= FE_HAS_SYNC;
-		}
 	}
 
 	// success
@@ -941,7 +981,7 @@ static int tda1004x_read_signal_strength(struct dvb_frontend* fe, u16 * signal)
 	dprintk("%s\n", __FUNCTION__);
 
 	// determine the register to use
-	switch(state->demod_type) {
+	switch (state->demod_type) {
 	case TDA1004X_DEMOD_TDA10045:
 		reg = TDA10045H_S_AGC;
 		break;
@@ -972,9 +1012,8 @@ static int tda1004x_read_snr(struct dvb_frontend* fe, u16 * snr)
 	tmp = tda1004x_read_byte(state, TDA1004X_SNR);
 	if (tmp < 0)
 		return -EIO;
-	if (tmp) {
+	if (tmp)
 		tmp = 255 - tmp;
-	}
 
 	*snr = ((tmp << 8) | tmp);
 	dprintk("%s: snr=0x%x\n", __FUNCTION__, *snr);
@@ -1009,11 +1048,11 @@ static int tda1004x_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
 			break;
 	}
 
-	if (tmp != 0x7f) {
+	if (tmp != 0x7f)
 		*ucblocks = tmp;
-	} else {
+	else
 		*ucblocks = 0xffffffff;
-	}
+
 	dprintk("%s: ucblocks=0x%x\n", __FUNCTION__, *ucblocks);
 	return 0;
 }
@@ -1027,10 +1066,12 @@ static int tda1004x_read_ber(struct dvb_frontend* fe, u32* ber)
 
 	// read it in
 	tmp = tda1004x_read_byte(state, TDA1004X_CBER_LSB);
-	if (tmp < 0) return -EIO;
+	if (tmp < 0)
+		return -EIO;
 	*ber = tmp << 1;
 	tmp = tda1004x_read_byte(state, TDA1004X_CBER_MSB);
-	if (tmp < 0) return -EIO;
+	if (tmp < 0)
+		return -EIO;
 	*ber |= (tmp << 9);
 	tda1004x_read_byte(state, TDA1004X_CBER_RESET);
 
@@ -1042,7 +1083,7 @@ static int tda1004x_sleep(struct dvb_frontend* fe)
 {
 	struct tda1004x_state* state = fe->demodulator_priv;
 
-	switch(state->demod_type) {
+	switch (state->demod_type) {
 	case TDA1004X_DEMOD_TDA10045:
 		tda1004x_write_mask(state, TDA1004X_CONFADC1, 0x10, 0x10);
 		break;
@@ -1066,74 +1107,11 @@ static int tda1004x_get_tune_settings(struct dvb_frontend* fe, struct dvb_fronte
 
 static void tda1004x_release(struct dvb_frontend* fe)
 {
-	struct tda1004x_state* state = (struct tda1004x_state*) fe->demodulator_priv;
-	kfree(state);
-}
-
-static struct dvb_frontend_ops tda10045_ops;
-
-struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
-				     struct i2c_adapter* i2c)
-{
-	struct tda1004x_state* state = NULL;
-
-	/* allocate memory for the internal state */
-	state = (struct tda1004x_state*) kmalloc(sizeof(struct tda1004x_state), GFP_KERNEL);
-	if (state == NULL) goto error;
-
-	/* setup the state */
-	state->config = config;
-	state->i2c = i2c;
-	memcpy(&state->ops, &tda10045_ops, sizeof(struct dvb_frontend_ops));
-	state->initialised = 0;
-	state->demod_type = TDA1004X_DEMOD_TDA10045;
-
-	/* check if the demod is there */
-	if (tda1004x_read_byte(state, TDA1004X_CHIPID) != 0x25) goto error;
-
-	/* create dvb_frontend */
-	state->frontend.ops = &state->ops;
-	state->frontend.demodulator_priv = state;
-	return &state->frontend;
-
-error:
+	struct tda1004x_state *state = fe->demodulator_priv;
 	kfree(state);
-	return NULL;
-}
-
-static struct dvb_frontend_ops tda10046_ops;
-
-struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
-				     struct i2c_adapter* i2c)
-{
-	struct tda1004x_state* state = NULL;
-
-	/* allocate memory for the internal state */
-	state = (struct tda1004x_state*) kmalloc(sizeof(struct tda1004x_state), GFP_KERNEL);
-	if (state == NULL) goto error;
-
-	/* setup the state */
-	state->config = config;
-	state->i2c = i2c;
-	memcpy(&state->ops, &tda10046_ops, sizeof(struct dvb_frontend_ops));
-	state->initialised = 0;
-	state->demod_type = TDA1004X_DEMOD_TDA10046;
-
-	/* check if the demod is there */
-	if (tda1004x_read_byte(state, TDA1004X_CHIPID) != 0x46) goto error;
-
-	/* create dvb_frontend */
-	state->frontend.ops = &state->ops;
-	state->frontend.demodulator_priv = state;
-	return &state->frontend;
-
-error:
-	if (state) kfree(state);
-	return NULL;
 }
 
 static struct dvb_frontend_ops tda10045_ops = {
-
 	.info = {
 		.name = "Philips TDA10045H DVB-T",
 		.type = FE_OFDM,
@@ -1163,8 +1141,36 @@ static struct dvb_frontend_ops tda10045_ops = {
 	.read_ucblocks = tda1004x_read_ucblocks,
 };
 
-static struct dvb_frontend_ops tda10046_ops = {
+struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
+				     struct i2c_adapter* i2c)
+{
+	struct tda1004x_state *state;
+
+	/* allocate memory for the internal state */
+	state = kmalloc(sizeof(struct tda1004x_state), GFP_KERNEL);
+	if (!state)
+		return NULL;
+
+	/* setup the state */
+	state->config = config;
+	state->i2c = i2c;
+	memcpy(&state->ops, &tda10045_ops, sizeof(struct dvb_frontend_ops));
+	state->initialised = 0;
+	state->demod_type = TDA1004X_DEMOD_TDA10045;
+
+	/* check if the demod is there */
+	if (tda1004x_read_byte(state, TDA1004X_CHIPID) != 0x25) {
+		kfree(state);
+		return NULL;
+	}
 
+	/* create dvb_frontend */
+	state->frontend.ops = &state->ops;
+	state->frontend.demodulator_priv = state;
+	return &state->frontend;
+}
+
+static struct dvb_frontend_ops tda10046_ops = {
 	.info = {
 		.name = "Philips TDA10046H DVB-T",
 		.type = FE_OFDM,
@@ -1194,6 +1200,36 @@ static struct dvb_frontend_ops tda10046_ops = {
 	.read_ucblocks = tda1004x_read_ucblocks,
 };
 
+struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
+				     struct i2c_adapter* i2c)
+{
+	struct tda1004x_state *state;
+
+	/* allocate memory for the internal state */
+	state = kmalloc(sizeof(struct tda1004x_state), GFP_KERNEL);
+	if (!state)
+		return NULL;
+
+	/* setup the state */
+	state->config = config;
+	state->i2c = i2c;
+	memcpy(&state->ops, &tda10046_ops, sizeof(struct dvb_frontend_ops));
+	state->initialised = 0;
+	state->demod_type = TDA1004X_DEMOD_TDA10046;
+	state->fw_version = 0x20;	/* dummy default value */
+
+	/* check if the demod is there */
+	if (tda1004x_read_byte(state, TDA1004X_CHIPID) != 0x46) {
+		kfree(state);
+		return NULL;
+	}
+
+	/* create dvb_frontend */
+	state->frontend.ops = &state->ops;
+	state->frontend.demodulator_priv = state;
+	return &state->frontend;
+}
+
 module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
 
diff --git a/drivers/media/dvb/frontends/tda1004x.h b/drivers/media/dvb/frontends/tda1004x.h
index e452fc0bad1..c8e1d54ff26 100644
--- a/drivers/media/dvb/frontends/tda1004x.h
+++ b/drivers/media/dvb/frontends/tda1004x.h
@@ -32,10 +32,13 @@ struct tda1004x_config
 	u8 demod_address;
 
 	/* does the "inversion" need inverted? */
-	u8 invert:1;
+	u8 invert;
 
 	/* Does the OCLK signal need inverted? */
-	u8 invert_oclk:1;
+	u8 invert_oclk;
+
+	/* value of N_I2C of the CONF_PLL3 register */
+	u8 n_i2c;
 
 	/* PLL maintenance */
 	int (*pll_init)(struct dvb_frontend* fe);
diff --git a/drivers/media/dvb/frontends/tda8083.c b/drivers/media/dvb/frontends/tda8083.c
index da82e90d6d1..168e013d23b 100644
--- a/drivers/media/dvb/frontends/tda8083.c
+++ b/drivers/media/dvb/frontends/tda8083.c
@@ -226,7 +226,7 @@ static int tda8083_send_diseqc_burst (struct tda8083_state* state, fe_sec_mini_c
 static int tda8083_send_diseqc_msg (struct dvb_frontend* fe,
 				    struct dvb_diseqc_master_cmd *m)
 {
-	struct tda8083_state* state = (struct tda8083_state*) fe->demodulator_priv;
+	struct tda8083_state* state = fe->demodulator_priv;
 	int i;
 
 	tda8083_writereg (state, 0x29, (m->msg_len - 3) | (1 << 2)); /* enable */
@@ -243,7 +243,7 @@ static int tda8083_send_diseqc_msg (struct dvb_frontend* fe,
 
 static int tda8083_read_status(struct dvb_frontend* fe, fe_status_t* status)
 {
-	struct tda8083_state* state = (struct tda8083_state*) fe->demodulator_priv;
+	struct tda8083_state* state = fe->demodulator_priv;
 
 	u8 signal = ~tda8083_readreg (state, 0x01);
 	u8 sync = tda8083_readreg (state, 0x02);
@@ -270,7 +270,7 @@ static int tda8083_read_status(struct dvb_frontend* fe, fe_status_t* status)
 
 static int tda8083_read_signal_strength(struct dvb_frontend* fe, u16* strength)
 {
-	struct tda8083_state* state = (struct tda8083_state*) fe->demodulator_priv;
+	struct tda8083_state* state = fe->demodulator_priv;
 
 	u8 signal = ~tda8083_readreg (state, 0x01);
 	*strength = (signal << 8) | signal;
@@ -280,7 +280,7 @@ static int tda8083_read_signal_strength(struct dvb_frontend* fe, u16* strength)
 
 static int tda8083_read_snr(struct dvb_frontend* fe, u16* snr)
 {
-	struct tda8083_state* state = (struct tda8083_state*) fe->demodulator_priv;
+	struct tda8083_state* state = fe->demodulator_priv;
 
 	u8 _snr = tda8083_readreg (state, 0x08);
 	*snr = (_snr << 8) | _snr;
@@ -290,7 +290,7 @@ static int tda8083_read_snr(struct dvb_frontend* fe, u16* snr)
 
 static int tda8083_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
 {
-	struct tda8083_state* state = (struct tda8083_state*) fe->demodulator_priv;
+	struct tda8083_state* state = fe->demodulator_priv;
 
 	state->config->pll_set(fe, p);
 	tda8083_set_inversion (state, p->inversion);
@@ -305,7 +305,7 @@ static int tda8083_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
 
 static int tda8083_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
 {
-	struct tda8083_state* state = (struct tda8083_state*) fe->demodulator_priv;
+	struct tda8083_state* state = fe->demodulator_priv;
 
 	/*  FIXME: get symbolrate & frequency offset...*/
 	/*p->frequency = ???;*/
@@ -319,7 +319,7 @@ static int tda8083_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
 
 static int tda8083_sleep(struct dvb_frontend* fe)
 {
-	struct tda8083_state* state = (struct tda8083_state*) fe->demodulator_priv;
+	struct tda8083_state* state = fe->demodulator_priv;
 
 	tda8083_writereg (state, 0x00, 0x02);
 	return 0;
@@ -327,7 +327,7 @@ static int tda8083_sleep(struct dvb_frontend* fe)
 
 static int tda8083_init(struct dvb_frontend* fe)
 {
-	struct tda8083_state* state = (struct tda8083_state*) fe->demodulator_priv;
+	struct tda8083_state* state = fe->demodulator_priv;
 	int i;
 
 	for (i=0; i<44; i++)
@@ -343,7 +343,7 @@ static int tda8083_init(struct dvb_frontend* fe)
 
 static int tda8083_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t burst)
 {
-	struct tda8083_state* state = (struct tda8083_state*) fe->demodulator_priv;
+	struct tda8083_state* state = fe->demodulator_priv;
 
 	tda8083_send_diseqc_burst (state, burst);
 	tda8083_writereg (state, 0x00, 0x3c);
@@ -354,7 +354,7 @@ static int tda8083_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t
 
 static int tda8083_diseqc_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
 {
-	struct tda8083_state* state = (struct tda8083_state*) fe->demodulator_priv;
+	struct tda8083_state* state = fe->demodulator_priv;
 
 	tda8083_set_tone (state, tone);
 	tda8083_writereg (state, 0x00, 0x3c);
@@ -365,7 +365,7 @@ static int tda8083_diseqc_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t t
 
 static int tda8083_diseqc_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage)
 {
-	struct tda8083_state* state = (struct tda8083_state*) fe->demodulator_priv;
+	struct tda8083_state* state = fe->demodulator_priv;
 
 	tda8083_set_voltage (state, voltage);
 	tda8083_writereg (state, 0x00, 0x3c);
@@ -376,7 +376,7 @@ static int tda8083_diseqc_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t
 
 static void tda8083_release(struct dvb_frontend* fe)
 {
-	struct tda8083_state* state = (struct tda8083_state*) fe->demodulator_priv;
+	struct tda8083_state* state = fe->demodulator_priv;
 	kfree(state);
 }
 
@@ -388,7 +388,7 @@ struct dvb_frontend* tda8083_attach(const struct tda8083_config* config,
 	struct tda8083_state* state = NULL;
 
 	/* allocate memory for the internal state */
-	state = (struct tda8083_state*) kmalloc(sizeof(struct tda8083_state), GFP_KERNEL);
+	state = kmalloc(sizeof(struct tda8083_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
diff --git a/drivers/media/dvb/frontends/tda80xx.c b/drivers/media/dvb/frontends/tda80xx.c
index c9963211428..032d348dafb 100644
--- a/drivers/media/dvb/frontends/tda80xx.c
+++ b/drivers/media/dvb/frontends/tda80xx.c
@@ -27,7 +27,7 @@
 #include <linux/spinlock.h>
 #include <linux/threads.h>
 #include <linux/interrupt.h>
-#include <asm/irq.h>
+#include <linux/irq.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/slab.h>
@@ -400,7 +400,7 @@ static void tda80xx_wait_diseqc_fifo(struct tda80xx_state* state)
 
 static int tda8044_init(struct dvb_frontend* fe)
 {
-	struct tda80xx_state* state = (struct tda80xx_state*) fe->demodulator_priv;
+	struct tda80xx_state* state = fe->demodulator_priv;
 	int ret;
 
 	/*
@@ -432,7 +432,7 @@ static int tda8044_init(struct dvb_frontend* fe)
 
 static int tda8083_init(struct dvb_frontend* fe)
 {
-	struct tda80xx_state* state = (struct tda80xx_state*) fe->demodulator_priv;
+	struct tda80xx_state* state = fe->demodulator_priv;
 
 	tda80xx_write(state, 0x00, tda8083_inittab, sizeof(tda8083_inittab));
 
@@ -447,7 +447,7 @@ static int tda8083_init(struct dvb_frontend* fe)
 
 static int tda80xx_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage)
 {
-	struct tda80xx_state* state = (struct tda80xx_state*) fe->demodulator_priv;
+	struct tda80xx_state* state = fe->demodulator_priv;
 
 	switch (voltage) {
 	case SEC_VOLTAGE_13:
@@ -463,7 +463,7 @@ static int tda80xx_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage
 
 static int tda80xx_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
 {
-	struct tda80xx_state* state = (struct tda80xx_state*) fe->demodulator_priv;
+	struct tda80xx_state* state = fe->demodulator_priv;
 
 	switch (tone) {
 	case SEC_TONE_OFF:
@@ -477,7 +477,7 @@ static int tda80xx_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
 
 static int tda80xx_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd *cmd)
 {
-	struct tda80xx_state* state = (struct tda80xx_state*) fe->demodulator_priv;
+	struct tda80xx_state* state = fe->demodulator_priv;
 
 	if (cmd->msg_len > 6)
 		return -EINVAL;
@@ -492,7 +492,7 @@ static int tda80xx_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_ma
 
 static int tda80xx_send_diseqc_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t cmd)
 {
-	struct tda80xx_state* state = (struct tda80xx_state*) fe->demodulator_priv;
+	struct tda80xx_state* state = fe->demodulator_priv;
 
 	switch (cmd) {
 	case SEC_MINI_A:
@@ -512,7 +512,7 @@ static int tda80xx_send_diseqc_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t
 
 static int tda80xx_sleep(struct dvb_frontend* fe)
 {
-	struct tda80xx_state* state = (struct tda80xx_state*) fe->demodulator_priv;
+	struct tda80xx_state* state = fe->demodulator_priv;
 
 	tda80xx_writereg(state, 0x00, 0x02);	/* enter standby */
 
@@ -521,7 +521,7 @@ static int tda80xx_sleep(struct dvb_frontend* fe)
 
 static int tda80xx_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
 {
-	struct tda80xx_state* state = (struct tda80xx_state*) fe->demodulator_priv;
+	struct tda80xx_state* state = fe->demodulator_priv;
 
 	tda80xx_writereg(state, 0x1c, 0x80);
 	state->config->pll_set(fe, p);
@@ -537,7 +537,7 @@ static int tda80xx_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
 
 static int tda80xx_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
 {
-	struct tda80xx_state* state = (struct tda80xx_state*) fe->demodulator_priv;
+	struct tda80xx_state* state = fe->demodulator_priv;
 
 	if (!state->config->irq)
 		tda80xx_read_status_int(state);
@@ -550,7 +550,7 @@ static int tda80xx_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
 
 static int tda80xx_read_status(struct dvb_frontend* fe, fe_status_t* status)
 {
-	struct tda80xx_state* state = (struct tda80xx_state*) fe->demodulator_priv;
+	struct tda80xx_state* state = fe->demodulator_priv;
 
 	if (!state->config->irq)
 		tda80xx_read_status_int(state);
@@ -561,7 +561,7 @@ static int tda80xx_read_status(struct dvb_frontend* fe, fe_status_t* status)
 
 static int tda80xx_read_ber(struct dvb_frontend* fe, u32* ber)
 {
-	struct tda80xx_state* state = (struct tda80xx_state*) fe->demodulator_priv;
+	struct tda80xx_state* state = fe->demodulator_priv;
 	int ret;
 	u8 buf[3];
 
@@ -575,7 +575,7 @@ static int tda80xx_read_ber(struct dvb_frontend* fe, u32* ber)
 
 static int tda80xx_read_signal_strength(struct dvb_frontend* fe, u16* strength)
 {
-	struct tda80xx_state* state = (struct tda80xx_state*) fe->demodulator_priv;
+	struct tda80xx_state* state = fe->demodulator_priv;
 
 	u8 gain = ~tda80xx_readreg(state, 0x01);
 	*strength = (gain << 8) | gain;
@@ -585,7 +585,7 @@ static int tda80xx_read_signal_strength(struct dvb_frontend* fe, u16* strength)
 
 static int tda80xx_read_snr(struct dvb_frontend* fe, u16* snr)
 {
-	struct tda80xx_state* state = (struct tda80xx_state*) fe->demodulator_priv;
+	struct tda80xx_state* state = fe->demodulator_priv;
 
 	u8 quality = tda80xx_readreg(state, 0x08);
 	*snr = (quality << 8) | quality;
@@ -595,7 +595,7 @@ static int tda80xx_read_snr(struct dvb_frontend* fe, u16* snr)
 
 static int tda80xx_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
 {
-	struct tda80xx_state* state = (struct tda80xx_state*) fe->demodulator_priv;
+	struct tda80xx_state* state = fe->demodulator_priv;
 
 	*ucblocks = tda80xx_readreg(state, 0x0f);
 	if (*ucblocks == 0xff)
@@ -606,7 +606,7 @@ static int tda80xx_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
 
 static int tda80xx_init(struct dvb_frontend* fe)
 {
-	struct tda80xx_state* state = (struct tda80xx_state*) fe->demodulator_priv;
+	struct tda80xx_state* state = fe->demodulator_priv;
 
 	switch(state->id) {
 	case ID_TDA8044:
@@ -620,7 +620,7 @@ static int tda80xx_init(struct dvb_frontend* fe)
 
 static void tda80xx_release(struct dvb_frontend* fe)
 {
-	struct tda80xx_state* state = (struct tda80xx_state*) fe->demodulator_priv;
+	struct tda80xx_state* state = fe->demodulator_priv;
 
 	if (state->config->irq)
 		free_irq(state->config->irq, &state->worklet);
@@ -637,7 +637,7 @@ struct dvb_frontend* tda80xx_attach(const struct tda80xx_config* config,
 	int ret;
 
 	/* allocate memory for the internal state */
-	state = (struct tda80xx_state*) kmalloc(sizeof(struct tda80xx_state), GFP_KERNEL);
+	state = kmalloc(sizeof(struct tda80xx_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
diff --git a/drivers/media/dvb/frontends/ves1820.c b/drivers/media/dvb/frontends/ves1820.c
index 9c0d23e1d9e..70fb44b391a 100644
--- a/drivers/media/dvb/frontends/ves1820.c
+++ b/drivers/media/dvb/frontends/ves1820.c
@@ -70,7 +70,6 @@ static int ves1820_writereg(struct ves1820_state *state, u8 reg, u8 data)
 		printk("ves1820: %s(): writereg error (reg == 0x%02x,"
 			"val == 0x%02x, ret == %i)\n", __FUNCTION__, reg, data, ret);
 
-	msleep(10);
 	return (ret != 1) ? -EREMOTEIO : 0;
 }
 
@@ -193,7 +192,7 @@ static int ves1820_set_symbolrate(struct ves1820_state *state, u32 symbolrate)
 
 static int ves1820_init(struct dvb_frontend* fe)
 {
-	struct ves1820_state* state = (struct ves1820_state*) fe->demodulator_priv;
+	struct ves1820_state* state = fe->demodulator_priv;
 	int i;
 	int val;
 
@@ -214,7 +213,7 @@ static int ves1820_init(struct dvb_frontend* fe)
 
 static int ves1820_set_parameters(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
 {
-	struct ves1820_state* state = (struct ves1820_state*) fe->demodulator_priv;
+	struct ves1820_state* state = fe->demodulator_priv;
 	static const u8 reg0x00[] = { 0x00, 0x04, 0x08, 0x0c, 0x10 };
 	static const u8 reg0x01[] = { 140, 140, 106, 100, 92 };
 	static const u8 reg0x05[] = { 135, 100, 70, 54, 38 };
@@ -241,7 +240,7 @@ static int ves1820_set_parameters(struct dvb_frontend* fe, struct dvb_frontend_p
 
 static int ves1820_read_status(struct dvb_frontend* fe, fe_status_t* status)
 {
-	struct ves1820_state* state = (struct ves1820_state*) fe->demodulator_priv;
+	struct ves1820_state* state = fe->demodulator_priv;
 	int sync;
 
 	*status = 0;
@@ -267,7 +266,7 @@ static int ves1820_read_status(struct dvb_frontend* fe, fe_status_t* status)
 
 static int ves1820_read_ber(struct dvb_frontend* fe, u32* ber)
 {
-	struct ves1820_state* state = (struct ves1820_state*) fe->demodulator_priv;
+	struct ves1820_state* state = fe->demodulator_priv;
 
 	u32 _ber = ves1820_readreg(state, 0x14) |
 			(ves1820_readreg(state, 0x15) << 8) |
@@ -279,7 +278,7 @@ static int ves1820_read_ber(struct dvb_frontend* fe, u32* ber)
 
 static int ves1820_read_signal_strength(struct dvb_frontend* fe, u16* strength)
 {
-	struct ves1820_state* state = (struct ves1820_state*) fe->demodulator_priv;
+	struct ves1820_state* state = fe->demodulator_priv;
 
 	u8 gain = ves1820_readreg(state, 0x17);
 	*strength = (gain << 8) | gain;
@@ -289,7 +288,7 @@ static int ves1820_read_signal_strength(struct dvb_frontend* fe, u16* strength)
 
 static int ves1820_read_snr(struct dvb_frontend* fe, u16* snr)
 {
-	struct ves1820_state* state = (struct ves1820_state*) fe->demodulator_priv;
+	struct ves1820_state* state = fe->demodulator_priv;
 
 	u8 quality = ~ves1820_readreg(state, 0x18);
 	*snr = (quality << 8) | quality;
@@ -299,7 +298,7 @@ static int ves1820_read_snr(struct dvb_frontend* fe, u16* snr)
 
 static int ves1820_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
 {
-	struct ves1820_state* state = (struct ves1820_state*) fe->demodulator_priv;
+	struct ves1820_state* state = fe->demodulator_priv;
 
 	*ucblocks = ves1820_readreg(state, 0x13) & 0x7f;
 	if (*ucblocks == 0x7f)
@@ -314,7 +313,7 @@ static int ves1820_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
 
 static int ves1820_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
 {
-	struct ves1820_state* state = (struct ves1820_state*) fe->demodulator_priv;
+	struct ves1820_state* state = fe->demodulator_priv;
 	int sync;
 	s8 afc = 0;
 
@@ -345,7 +344,7 @@ static int ves1820_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
 
 static int ves1820_sleep(struct dvb_frontend* fe)
 {
-	struct ves1820_state* state = (struct ves1820_state*) fe->demodulator_priv;
+	struct ves1820_state* state = fe->demodulator_priv;
 
 	ves1820_writereg(state, 0x1b, 0x02);	/* pdown ADC */
 	ves1820_writereg(state, 0x00, 0x80);	/* standby */
@@ -364,7 +363,7 @@ static int ves1820_get_tune_settings(struct dvb_frontend* fe, struct dvb_fronten
 
 static void ves1820_release(struct dvb_frontend* fe)
 {
-	struct ves1820_state* state = (struct ves1820_state*) fe->demodulator_priv;
+	struct ves1820_state* state = fe->demodulator_priv;
 	kfree(state);
 }
 
@@ -377,7 +376,7 @@ struct dvb_frontend* ves1820_attach(const struct ves1820_config* config,
 	struct ves1820_state* state = NULL;
 
 	/* allocate memory for the internal state */
-	state = (struct ves1820_state*) kmalloc(sizeof(struct ves1820_state), GFP_KERNEL);
+	state = kmalloc(sizeof(struct ves1820_state), GFP_KERNEL);
 	if (state == NULL)
 		goto error;
 
diff --git a/drivers/media/dvb/frontends/ves1x93.c b/drivers/media/dvb/frontends/ves1x93.c
index edcad283aa8..821df8e839d 100644
--- a/drivers/media/dvb/frontends/ves1x93.c
+++ b/drivers/media/dvb/frontends/ves1x93.c
@@ -263,7 +263,7 @@ static int ves1x93_set_symbolrate (struct ves1x93_state* state, u32 srate)
 
 static int ves1x93_init (struct dvb_frontend* fe)
 {
-	struct ves1x93_state* state = (struct ves1x93_state*) fe->demodulator_priv;
+	struct ves1x93_state* state = fe->demodulator_priv;
 	int i;
 	int val;
 
@@ -289,7 +289,7 @@ static int ves1x93_init (struct dvb_frontend* fe)
 
 static int ves1x93_set_voltage (struct dvb_frontend* fe, fe_sec_voltage_t voltage)
 {
-	struct ves1x93_state* state = (struct ves1x93_state*) fe->demodulator_priv;
+	struct ves1x93_state* state = fe->demodulator_priv;
 
 	switch (voltage) {
 	case SEC_VOLTAGE_13:
@@ -305,7 +305,7 @@ static int ves1x93_set_voltage (struct dvb_frontend* fe, fe_sec_voltage_t voltag
 
 static int ves1x93_read_status(struct dvb_frontend* fe, fe_status_t* status)
 {
-	struct ves1x93_state* state = (struct ves1x93_state*) fe->demodulator_priv;
+	struct ves1x93_state* state = fe->demodulator_priv;
 
 	u8 sync = ves1x93_readreg (state, 0x0e);
 
@@ -346,7 +346,7 @@ static int ves1x93_read_status(struct dvb_frontend* fe, fe_status_t* status)
 
 static int ves1x93_read_ber(struct dvb_frontend* fe, u32* ber)
 {
-	struct ves1x93_state* state = (struct ves1x93_state*) fe->demodulator_priv;
+	struct ves1x93_state* state = fe->demodulator_priv;
 
 	*ber = ves1x93_readreg (state, 0x15);
 	*ber |= (ves1x93_readreg (state, 0x16) << 8);
@@ -358,7 +358,7 @@ static int ves1x93_read_ber(struct dvb_frontend* fe, u32* ber)
 
 static int ves1x93_read_signal_strength(struct dvb_frontend* fe, u16* strength)
 {
-	struct ves1x93_state* state = (struct ves1x93_state*) fe->demodulator_priv;
+	struct ves1x93_state* state = fe->demodulator_priv;
 
 	u8 signal = ~ves1x93_readreg (state, 0x0b);
 	*strength = (signal << 8) | signal;
@@ -368,7 +368,7 @@ static int ves1x93_read_signal_strength(struct dvb_frontend* fe, u16* strength)
 
 static int ves1x93_read_snr(struct dvb_frontend* fe, u16* snr)
 {
-	struct ves1x93_state* state = (struct ves1x93_state*) fe->demodulator_priv;
+	struct ves1x93_state* state = fe->demodulator_priv;
 
 	u8 _snr = ~ves1x93_readreg (state, 0x1c);
 	*snr = (_snr << 8) | _snr;
@@ -378,7 +378,7 @@ static int ves1x93_read_snr(struct dvb_frontend* fe, u16* snr)
 
 static int ves1x93_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
 {
-	struct ves1x93_state* state = (struct ves1x93_state*) fe->demodulator_priv;
+	struct ves1x93_state* state = fe->demodulator_priv;
 
 	*ucblocks = ves1x93_readreg (state, 0x18) & 0x7f;
 
@@ -393,7 +393,7 @@ static int ves1x93_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
 
 static int ves1x93_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
 {
-	struct ves1x93_state* state = (struct ves1x93_state*) fe->demodulator_priv;
+	struct ves1x93_state* state = fe->demodulator_priv;
 
 	ves1x93_writereg(state, 0x00, 0x11);
 	state->config->pll_set(fe, p);
@@ -408,7 +408,7 @@ static int ves1x93_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
 
 static int ves1x93_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
 {
-	struct ves1x93_state* state = (struct ves1x93_state*) fe->demodulator_priv;
+	struct ves1x93_state* state = fe->demodulator_priv;
 	int afc;
 
 	afc = ((int)((char)(ves1x93_readreg (state, 0x0a) << 1)))/2;
@@ -431,14 +431,14 @@ static int ves1x93_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
 
 static int ves1x93_sleep(struct dvb_frontend* fe)
 {
-	struct ves1x93_state* state = (struct ves1x93_state*) fe->demodulator_priv;
+	struct ves1x93_state* state = fe->demodulator_priv;
 
 	return ves1x93_writereg (state, 0x00, 0x08);
 }
 
 static void ves1x93_release(struct dvb_frontend* fe)
 {
-	struct ves1x93_state* state = (struct ves1x93_state*) fe->demodulator_priv;
+	struct ves1x93_state* state = fe->demodulator_priv;
 	kfree(state);
 }
 
@@ -451,7 +451,7 @@ struct dvb_frontend* ves1x93_attach(const struct ves1x93_config* config,
 	u8 identity;
 
 	/* allocate memory for the internal state */
-	state = (struct ves1x93_state*) kmalloc(sizeof(struct ves1x93_state), GFP_KERNEL);
+	state = kmalloc(sizeof(struct ves1x93_state), GFP_KERNEL);
 	if (state == NULL) goto error;
 
 	/* setup the state */
diff --git a/drivers/media/dvb/ttpci/av7110.c b/drivers/media/dvb/ttpci/av7110.c
index 922c205a265..8e33a850e13 100644
--- a/drivers/media/dvb/ttpci/av7110.c
+++ b/drivers/media/dvb/ttpci/av7110.c
@@ -130,7 +130,7 @@ static void init_av7110_av(struct av7110 *av7110)
 	av7110->current_input = 0;
 	if (i2c_writereg(av7110, 0x20, 0x00, 0x00) == 1) {
 		printk ("dvb-ttpci: Crystal audio DAC @ card %d detected\n",
-			av7110->dvb_adapter->num);
+			av7110->dvb_adapter.num);
 		av7110->adac_type = DVB_ADAC_CRYSTAL;
 		i2c_writereg(av7110, 0x20, 0x01, 0xd2);
 		i2c_writereg(av7110, 0x20, 0x02, 0x49);
@@ -145,13 +145,13 @@ static void init_av7110_av(struct av7110 *av7110)
 	}
 	else if (dev->pci->subsystem_vendor == 0x110a) {
 		printk("dvb-ttpci: DVB-C w/o analog module @ card %d detected\n",
-			av7110->dvb_adapter->num);
+			av7110->dvb_adapter.num);
 		av7110->adac_type = DVB_ADAC_NONE;
 	}
 	else {
 		av7110->adac_type = adac;
 		printk("dvb-ttpci: adac type set to %d @ card %d\n",
-			av7110->dvb_adapter->num, av7110->adac_type);
+			av7110->dvb_adapter.num, av7110->adac_type);
 	}
 
 	if (av7110->adac_type == DVB_ADAC_NONE || av7110->adac_type == DVB_ADAC_MSP) {
@@ -231,7 +231,7 @@ static int arm_thread(void *data)
 
 		if (newloops == av7110->arm_loops) {
 			printk(KERN_ERR "dvb-ttpci: ARM crashed @ card %d\n",
-			       av7110->dvb_adapter->num);
+			       av7110->dvb_adapter.num);
 
 			arm_error(av7110);
 			av7710_set_video_mode(av7110, vidmode);
@@ -1282,7 +1282,7 @@ static int av7110_register(struct av7110 *av7110)
 	av7110->dmxdev.demux = &dvbdemux->dmx;
 	av7110->dmxdev.capabilities = 0;
 
-	dvb_dmxdev_init(&av7110->dmxdev, av7110->dvb_adapter);
+	dvb_dmxdev_init(&av7110->dmxdev, &av7110->dvb_adapter);
 
 	av7110->hw_frontend.source = DMX_FRONTEND_0;
 
@@ -1307,11 +1307,11 @@ static int av7110_register(struct av7110 *av7110)
 	av7110_ca_register(av7110);
 
 #ifdef CONFIG_DVB_AV7110_OSD
-	dvb_register_device(av7110->dvb_adapter, &av7110->osd_dev,
+	dvb_register_device(&av7110->dvb_adapter, &av7110->osd_dev,
 			    &dvbdev_osd, av7110, DVB_DEVICE_OSD);
 #endif
 
-	dvb_net_init(av7110->dvb_adapter, &av7110->dvb_net, &dvbdemux->dmx);
+	dvb_net_init(&av7110->dvb_adapter, &av7110->dvb_net, &dvbdemux->dmx);
 
 	if (budgetpatch) {
 		/* initialize software demux1 without its own frontend
@@ -1334,9 +1334,9 @@ static int av7110_register(struct av7110 *av7110)
 		av7110->dmxdev1.demux = &dvbdemux1->dmx;
 		av7110->dmxdev1.capabilities = 0;
 
-		dvb_dmxdev_init(&av7110->dmxdev1, av7110->dvb_adapter);
+		dvb_dmxdev_init(&av7110->dmxdev1, &av7110->dvb_adapter);
 
-		dvb_net_init(av7110->dvb_adapter, &av7110->dvb_net1, &dvbdemux1->dmx);
+		dvb_net_init(&av7110->dvb_adapter, &av7110->dvb_net1, &dvbdemux1->dmx);
 		printk("dvb-ttpci: additional demux1 for budget-patch registered\n");
 	}
 	return 0;
@@ -1673,6 +1673,106 @@ 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, 0xb5,   // Lock detect: -64  Carrier freq detect:on
+	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 dvb_frontend_parameters* params)
+{
+	struct av7110* av7110 = (struct av7110*) fe->dvb->priv;
+	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(&av7110->i2c_adap, &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,
+	.enhanced_tuning = 0,
+	.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)
 {
@@ -2116,6 +2216,14 @@ static int frontend_init(struct av7110 *av7110)
 				av7110->dev->i2c_bitrate = SAA7146_I2C_BUS_BIT_RATE_240;
 				break;
 			}
+			break;
+
+		case 0x000E: /* Hauppauge/TT Nexus-S rev 2.3 */
+			/* ALPS BSBE1 */
+			av7110->fe = stv0299_attach(&alps_bsbe1_config, &av7110->i2c_adap);
+			if (av7110->fe)
+				av7110->fe->ops->set_voltage = lnbp21_set_voltage;
+			break;
 		}
 	}
 
@@ -2138,7 +2246,7 @@ static int frontend_init(struct av7110 *av7110)
 		FE_FUNC_OVERRIDE(av7110->fe->ops->dishnetwork_send_legacy_command, av7110->fe_dishnetwork_send_legacy_command, av7110_fe_dishnetwork_send_legacy_command);
 		FE_FUNC_OVERRIDE(av7110->fe->ops->set_frontend, av7110->fe_set_frontend, av7110_fe_set_frontend);
 
-		ret = dvb_register_frontend(av7110->dvb_adapter, av7110->fe);
+		ret = dvb_register_frontend(&av7110->dvb_adapter, av7110->fe);
 		if (ret < 0) {
 			printk("av7110: Frontend registration failed!\n");
 			if (av7110->fe->ops->release)
@@ -2352,7 +2460,7 @@ static int av7110_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_d
 		goto err_dvb_unregister_adapter_2;
 
 	ttpci_eeprom_parse_mac(&av7110->i2c_adap,
-			       av7110->dvb_adapter->proposed_mac);
+			       av7110->dvb_adapter.proposed_mac);
 	ret = -ENOMEM;
 
 	if (budgetpatch) {
@@ -2523,7 +2631,7 @@ static int av7110_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_d
 	if (ret < 0)
 		goto err_av7110_unregister_11;
 
-	av7110->dvb_adapter->priv = av7110;
+	av7110->dvb_adapter.priv = av7110;
 	ret = frontend_init(av7110);
 	if (ret < 0)
 		goto err_av7110_exit_v4l_12;
@@ -2558,7 +2666,7 @@ err_saa71466_vfree_4:
 err_i2c_del_3:
 	i2c_del_adapter(&av7110->i2c_adap);
 err_dvb_unregister_adapter_2:
-	dvb_unregister_adapter(av7110->dvb_adapter);
+	dvb_unregister_adapter(&av7110->dvb_adapter);
 err_put_firmware_1:
 	put_firmware(av7110);
 err_kfree_0:
@@ -2604,7 +2712,7 @@ static int av7110_detach(struct saa7146_dev* saa)
 
 	i2c_del_adapter(&av7110->i2c_adap);
 
-	dvb_unregister_adapter (av7110->dvb_adapter);
+	dvb_unregister_adapter (&av7110->dvb_adapter);
 
 	av7110_num--;
 
@@ -2672,21 +2780,23 @@ MAKE_AV7110_INFO(ttt_1_X,    "Technotrend/Hauppauge WinTV DVB-T rev1.X");
 MAKE_AV7110_INFO(ttc_1_X,    "Technotrend/Hauppauge WinTV Nexus-CA rev1.X");
 MAKE_AV7110_INFO(ttc_2_X,    "Technotrend/Hauppauge WinTV DVB-C rev2.X");
 MAKE_AV7110_INFO(tts_2_X,    "Technotrend/Hauppauge WinTV Nexus-S rev2.X");
+MAKE_AV7110_INFO(tts_2_3,    "Technotrend/Hauppauge WinTV Nexus-S rev2.3");
 MAKE_AV7110_INFO(tts_1_3se,  "Technotrend/Hauppauge WinTV DVB-S rev1.3 SE");
 MAKE_AV7110_INFO(ttt,        "Technotrend/Hauppauge DVB-T");
 MAKE_AV7110_INFO(fsc,        "Fujitsu Siemens DVB-C");
 MAKE_AV7110_INFO(fss,        "Fujitsu Siemens DVB-S rev1.6");
 
 static struct pci_device_id pci_tbl[] = {
+	MAKE_EXTENSION_PCI(fsc,       0x110a, 0x0000),
 	MAKE_EXTENSION_PCI(tts_1_X,   0x13c2, 0x0000),
 	MAKE_EXTENSION_PCI(ttt_1_X,   0x13c2, 0x0001),
 	MAKE_EXTENSION_PCI(ttc_2_X,   0x13c2, 0x0002),
 	MAKE_EXTENSION_PCI(tts_2_X,   0x13c2, 0x0003),
-	MAKE_EXTENSION_PCI(tts_1_3se, 0x13c2, 0x1002),
-	MAKE_EXTENSION_PCI(fsc,       0x110a, 0x0000),
-	MAKE_EXTENSION_PCI(ttc_1_X,   0x13c2, 0x000a),
 	MAKE_EXTENSION_PCI(fss,       0x13c2, 0x0006),
 	MAKE_EXTENSION_PCI(ttt,       0x13c2, 0x0008),
+	MAKE_EXTENSION_PCI(ttc_1_X,   0x13c2, 0x000a),
+	MAKE_EXTENSION_PCI(tts_2_3,   0x13c2, 0x000e),
+	MAKE_EXTENSION_PCI(tts_1_3se, 0x13c2, 0x1002),
 
 /*	MAKE_EXTENSION_PCI(???, 0x13c2, 0x0004), UNDEFINED CARD */ // Galaxis DVB PC-Sat-Carte
 /*	MAKE_EXTENSION_PCI(???, 0x13c2, 0x0005), UNDEFINED CARD */ // Technisat SkyStar1
diff --git a/drivers/media/dvb/ttpci/av7110.h b/drivers/media/dvb/ttpci/av7110.h
index 5070e0523da..4f69b4d0147 100644
--- a/drivers/media/dvb/ttpci/av7110.h
+++ b/drivers/media/dvb/ttpci/av7110.h
@@ -220,7 +220,7 @@ struct av7110 {
 
 	struct audio_mixer	mixer;
 
-	struct dvb_adapter	 *dvb_adapter;
+	struct dvb_adapter	 dvb_adapter;
 	struct dvb_device	 *video_dev;
 	struct dvb_device	 *audio_dev;
 	struct dvb_device	 *ca_dev;
@@ -274,7 +274,6 @@ extern void av7110_ir_exit (void);
 extern int i2c_writereg(struct av7110 *av7110, u8 id, u8 reg, u8 val);
 extern u8 i2c_readreg(struct av7110 *av7110, u8 id, u8 reg);
 extern int msp_writereg(struct av7110 *av7110, u8 dev, u16 reg, u16 val);
-extern int msp_readreg(struct av7110 *av7110, u8 dev, u16 reg, u16 *val);
 
 
 extern int av7110_init_analog_module(struct av7110 *av7110);
diff --git a/drivers/media/dvb/ttpci/av7110_av.c b/drivers/media/dvb/ttpci/av7110_av.c
index d77e8a00688..ccf946125d0 100644
--- a/drivers/media/dvb/ttpci/av7110_av.c
+++ b/drivers/media/dvb/ttpci/av7110_av.c
@@ -1075,7 +1075,7 @@ static int dvb_video_ioctl(struct inode *inode, struct file *file,
 		}
 		if (ret < 0)
 			break;
-		av7110->videostate.video_format = format;
+		av7110->videostate.display_format = format;
 		ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetPanScanType,
 				    1, (u16) val);
 		break;
@@ -1230,14 +1230,20 @@ static int dvb_audio_ioctl(struct inode *inode, struct file *file,
 		switch(av7110->audiostate.channel_select) {
 		case AUDIO_STEREO:
 			audcom(av7110, AUDIO_CMD_STEREO);
+			if (av7110->adac_type == DVB_ADAC_CRYSTAL)
+				i2c_writereg(av7110, 0x20, 0x02, 0x49);
 			break;
 
 		case AUDIO_MONO_LEFT:
 			audcom(av7110, AUDIO_CMD_MONO_L);
+			if (av7110->adac_type == DVB_ADAC_CRYSTAL)
+				i2c_writereg(av7110, 0x20, 0x02, 0x4a);
 			break;
 
 		case AUDIO_MONO_RIGHT:
 			audcom(av7110, AUDIO_CMD_MONO_R);
+			if (av7110->adac_type == DVB_ADAC_CRYSTAL)
+				i2c_writereg(av7110, 0x20, 0x02, 0x45);
 			break;
 
 		default:
@@ -1409,10 +1415,10 @@ int av7110_av_register(struct av7110 *av7110)
 	av7110->video_events.overflow = 0;
 	memset(&av7110->video_size, 0, sizeof (video_size_t));
 
-	dvb_register_device(av7110->dvb_adapter, &av7110->video_dev,
+	dvb_register_device(&av7110->dvb_adapter, &av7110->video_dev,
 			    &dvbdev_video, av7110, DVB_DEVICE_VIDEO);
 
-	dvb_register_device(av7110->dvb_adapter, &av7110->audio_dev,
+	dvb_register_device(&av7110->dvb_adapter, &av7110->audio_dev,
 			    &dvbdev_audio, av7110, DVB_DEVICE_AUDIO);
 
 	return 0;
diff --git a/drivers/media/dvb/ttpci/av7110_ca.c b/drivers/media/dvb/ttpci/av7110_ca.c
index 21f7aacf772..c3801e328fe 100644
--- a/drivers/media/dvb/ttpci/av7110_ca.c
+++ b/drivers/media/dvb/ttpci/av7110_ca.c
@@ -123,7 +123,7 @@ static void ci_ll_release(struct dvb_ringbuffer *cirbuf, struct dvb_ringbuffer *
 }
 
 static int ci_ll_reset(struct dvb_ringbuffer *cibuf, struct file *file,
-		int slots, ca_slot_info_t *slot)
+		       int slots, ca_slot_info_t *slot)
 {
 	int i;
 	int len = 0;
@@ -370,7 +370,7 @@ static struct dvb_device dvbdev_ca = {
 
 int av7110_ca_register(struct av7110 *av7110)
 {
-	return dvb_register_device(av7110->dvb_adapter, &av7110->ca_dev,
+	return dvb_register_device(&av7110->dvb_adapter, &av7110->ca_dev,
 				   &dvbdev_ca, av7110, DVB_DEVICE_CA);
 }
 
diff --git a/drivers/media/dvb/ttpci/av7110_hw.c b/drivers/media/dvb/ttpci/av7110_hw.c
index bd6e5ea4aef..7fa4a0ebe13 100644
--- a/drivers/media/dvb/ttpci/av7110_hw.c
+++ b/drivers/media/dvb/ttpci/av7110_hw.c
@@ -104,7 +104,7 @@ u32 av7110_debiread(struct av7110 *av7110, u32 config, int addr, int count)
 
 
 /* av7110 ARM core boot stuff */
-
+#if 0
 void av7110_reset_arm(struct av7110 *av7110)
 {
 	saa7146_setgpio(av7110->dev, RESET_LINE, SAA7146_GPIO_OUTLO);
@@ -124,7 +124,7 @@ void av7110_reset_arm(struct av7110 *av7110)
 	av7110->arm_ready = 1;
 	dprintk(1, "reset ARM\n");
 }
-
+#endif  /*  0  */
 
 static int waitdebi(struct av7110 *av7110, int adr, int state)
 {
@@ -335,7 +335,7 @@ int av7110_wait_msgstate(struct av7110 *av7110, u16 flags)
 	return 0;
 }
 
-int __av7110_send_fw_cmd(struct av7110 *av7110, u16* buf, int length)
+static int __av7110_send_fw_cmd(struct av7110 *av7110, u16* buf, int length)
 {
 	int i;
 	unsigned long start;
@@ -455,7 +455,7 @@ int __av7110_send_fw_cmd(struct av7110 *av7110, u16* buf, int length)
 	return 0;
 }
 
-int av7110_send_fw_cmd(struct av7110 *av7110, u16* buf, int length)
+static int av7110_send_fw_cmd(struct av7110 *av7110, u16* buf, int length)
 {
 	int ret;
 
@@ -500,6 +500,7 @@ int av7110_fw_cmd(struct av7110 *av7110, int type, int com, int num, ...)
 	return ret;
 }
 
+#if 0
 int av7110_send_ci_cmd(struct av7110 *av7110, u8 subcom, u8 *buf, u8 len)
 {
 	int i, ret;
@@ -521,6 +522,7 @@ int av7110_send_ci_cmd(struct av7110 *av7110, u8 subcom, u8 *buf, u8 len)
 		printk(KERN_ERR "dvb-ttpci: av7110_send_ci_cmd error %d\n", ret);
 	return ret;
 }
+#endif  /*  0  */
 
 int av7110_fw_request(struct av7110 *av7110, u16 *request_buf,
 		      int request_buf_len, u16 *reply_buf, int reply_buf_len)
@@ -593,7 +595,7 @@ int av7110_fw_request(struct av7110 *av7110, u16 *request_buf,
 	return 0;
 }
 
-int av7110_fw_query(struct av7110 *av7110, u16 tag, u16* buf, s16 length)
+static int av7110_fw_query(struct av7110 *av7110, u16 tag, u16* buf, s16 length)
 {
 	int ret;
 	ret = av7110_fw_request(av7110, &tag, 0, buf, length);
@@ -617,7 +619,7 @@ int av7110_firmversion(struct av7110 *av7110)
 
 	if (av7110_fw_query(av7110, tag, buf, 16)) {
 		printk("dvb-ttpci: failed to boot firmware @ card %d\n",
-		       av7110->dvb_adapter->num);
+		       av7110->dvb_adapter.num);
 		return -EIO;
 	}
 
@@ -628,16 +630,16 @@ int av7110_firmversion(struct av7110 *av7110)
 	av7110->avtype = (buf[8] << 16) + buf[9];
 
 	printk("dvb-ttpci: info @ card %d: firm %08x, rtsl %08x, vid %08x, app %08x\n",
-	       av7110->dvb_adapter->num, av7110->arm_fw,
+	       av7110->dvb_adapter.num, av7110->arm_fw,
 	       av7110->arm_rtsl, av7110->arm_vid, av7110->arm_app);
 
 	/* print firmware capabilities */
 	if (FW_CI_LL_SUPPORT(av7110->arm_app))
 		printk("dvb-ttpci: firmware @ card %d supports CI link layer interface\n",
-		       av7110->dvb_adapter->num);
+		       av7110->dvb_adapter.num);
 	else
 		printk("dvb-ttpci: no firmware support for CI link layer interface @ card %d\n",
-		       av7110->dvb_adapter->num);
+		       av7110->dvb_adapter.num);
 
 	return 0;
 }
diff --git a/drivers/media/dvb/ttpci/av7110_hw.h b/drivers/media/dvb/ttpci/av7110_hw.h
index bf901c62468..52061e17c6d 100644
--- a/drivers/media/dvb/ttpci/av7110_hw.h
+++ b/drivers/media/dvb/ttpci/av7110_hw.h
@@ -364,7 +364,6 @@ enum av7110_command_type {
 
 
 
-extern void av7110_reset_arm(struct av7110 *av7110);
 extern int av7110_bootarm(struct av7110 *av7110);
 extern int av7110_firmversion(struct av7110 *av7110);
 #define FW_CI_LL_SUPPORT(arm_app) ((arm_app) & 0x80000000)
@@ -373,12 +372,8 @@ extern int av7110_firmversion(struct av7110 *av7110);
 
 extern int av7110_wait_msgstate(struct av7110 *av7110, u16 flags);
 extern int av7110_fw_cmd(struct av7110 *av7110, int type, int com, int num, ...);
-extern int __av7110_send_fw_cmd(struct av7110 *av7110, u16* buf, int length);
-extern int av7110_send_fw_cmd(struct av7110 *av7110, u16* buf, int length);
-extern int av7110_send_ci_cmd(struct av7110 *av7110, u8 subcom, u8 *buf, u8 len);
 extern int av7110_fw_request(struct av7110 *av7110, u16 *request_buf,
 			     int request_buf_len, u16 *reply_buf, int reply_buf_len);
-extern int av7110_fw_query(struct av7110 *av7110, u16 tag, u16* Buff, s16 length);
 
 
 /* DEBI (saa7146 data extension bus interface) access */
diff --git a/drivers/media/dvb/ttpci/av7110_ir.c b/drivers/media/dvb/ttpci/av7110_ir.c
index 6d2256f1e35..665cdb8a3f7 100644
--- a/drivers/media/dvb/ttpci/av7110_ir.c
+++ b/drivers/media/dvb/ttpci/av7110_ir.c
@@ -10,7 +10,7 @@
 
 #define UP_TIMEOUT (HZ/4)
 
-/* enable ir debugging by or'ing av7110_debug with 16 */
+/* enable ir debugging by or'ing debug with 16 */
 
 static int ir_initialized;
 static struct input_dev input_dev;
diff --git a/drivers/media/dvb/ttpci/av7110_v4l.c b/drivers/media/dvb/ttpci/av7110_v4l.c
index eb84fb08d95..e65fc36e2ce 100644
--- a/drivers/media/dvb/ttpci/av7110_v4l.c
+++ b/drivers/media/dvb/ttpci/av7110_v4l.c
@@ -46,13 +46,13 @@ int msp_writereg(struct av7110 *av7110, u8 dev, u16 reg, u16 val)
 
 	if (i2c_transfer(&av7110->i2c_adap, &msgs, 1) != 1) {
 		dprintk(1, "dvb-ttpci: failed @ card %d, %u = %u\n",
-		       av7110->dvb_adapter->num, reg, val);
+		       av7110->dvb_adapter.num, reg, val);
 		return -EIO;
 	}
 	return 0;
 }
 
-int msp_readreg(struct av7110 *av7110, u8 dev, u16 reg, u16 *val)
+static int msp_readreg(struct av7110 *av7110, u8 dev, u16 reg, u16 *val)
 {
 	u8 msg1[3] = { dev, reg >> 8, reg & 0xff };
 	u8 msg2[2];
@@ -63,7 +63,7 @@ int msp_readreg(struct av7110 *av7110, u8 dev, u16 reg, u16 *val)
 
 	if (i2c_transfer(&av7110->i2c_adap, &msgs[0], 2) != 2) {
 		dprintk(1, "dvb-ttpci: failed @ card %d, %u\n",
-		       av7110->dvb_adapter->num, reg);
+		       av7110->dvb_adapter.num, reg);
 		return -EIO;
 	}
 	*val = (msg2[0] << 8) | msg2[1];
@@ -552,13 +552,13 @@ int av7110_init_analog_module(struct av7110 *av7110)
 		return -ENODEV;
 
 	printk("dvb-ttpci: DVB-C analog module @ card %d detected, initializing MSP3400\n",
-		av7110->dvb_adapter->num);
+		av7110->dvb_adapter.num);
 	av7110->adac_type = DVB_ADAC_MSP;
 	msleep(100); // the probing above resets the msp...
 	msp_readreg(av7110, MSP_RD_DSP, 0x001e, &version1);
 	msp_readreg(av7110, MSP_RD_DSP, 0x001f, &version2);
 	dprintk(1, "dvb-ttpci: @ card %d MSP3400 version 0x%04x 0x%04x\n",
-		av7110->dvb_adapter->num, version1, version2);
+		av7110->dvb_adapter.num, version1, version2);
 	msp_writereg(av7110, MSP_WR_DSP, 0x0013, 0x0c00);
 	msp_writereg(av7110, MSP_WR_DSP, 0x0000, 0x7f00); // loudspeaker + headphone
 	msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0220); // loudspeaker source
@@ -596,7 +596,7 @@ int av7110_init_analog_module(struct av7110 *av7110)
 		/* init the saa7113 */
 		while (*i != 0xff) {
 			if (i2c_writereg(av7110, 0x48, i[0], i[1]) != 1) {
-				dprintk(1, "saa7113 initialization failed @ card %d", av7110->dvb_adapter->num);
+				dprintk(1, "saa7113 initialization failed @ card %d", av7110->dvb_adapter.num);
 				break;
 			}
 			i += 2;
@@ -726,11 +726,11 @@ static int std_callback(struct saa7146_dev* dev, struct saa7146_standard *std)
 {
 	struct av7110 *av7110 = (struct av7110*) dev->ext_priv;
 
-	if (std->id == V4L2_STD_PAL) {
+	if (std->id & V4L2_STD_PAL) {
 		av7110->vidmode = VIDEO_MODE_PAL;
 		av7110_set_vidmode(av7110, av7110->vidmode);
 	}
-	else if (std->id == V4L2_STD_NTSC) {
+	else if (std->id & V4L2_STD_NTSC) {
 		av7110->vidmode = VIDEO_MODE_NTSC;
 		av7110_set_vidmode(av7110, av7110->vidmode);
 	}
diff --git a/drivers/media/dvb/ttpci/budget-av.c b/drivers/media/dvb/ttpci/budget-av.c
index 14e963206b8..6e0f5d307c5 100644
--- a/drivers/media/dvb/ttpci/budget-av.c
+++ b/drivers/media/dvb/ttpci/budget-av.c
@@ -59,8 +59,12 @@ struct budget_av {
 	struct dvb_ca_en50221 ca;
 };
 
-static int enable_ci = 0;
-
+/* GPIO CI Connections:
+ * 0 - Vcc/Reset (Reset is controlled by capacitor)
+ * 1 - Attribute Memory
+ * 2 - Card Enable (Active Low)
+ * 3 - Card Detect
+ */
 
 /****************************************************************************
  * INITIALIZATION
@@ -188,22 +192,35 @@ static int ciintf_slot_reset(struct dvb_ca_en50221 *ca, int slot)
 {
 	struct budget_av *budget_av = (struct budget_av *) ca->data;
 	struct saa7146_dev *saa = budget_av->budget.dev;
-	int max = 20;
+	int timeout = 50; // 5 seconds (4.4.6 Ready)
 
 	if (slot != 0)
 		return -EINVAL;
 
 	dprintk(1, "ciintf_slot_reset\n");
 
-	/* reset the card */
-	saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTHI);
-	msleep(100);
-	saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTLO);
+	saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTHI); /* disable card */
 
-	while (--max > 0 && ciintf_read_attribute_mem(ca, slot, 0) != 0x1d)
+	saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTHI); /* Vcc off */
+	msleep(2);
+	saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTLO); /* Vcc on */
+	msleep(20); /* 20 ms Vcc settling time */
+
+	saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTLO); /* enable card */
+
+	/* This should have been based on pin 16 READY of the pcmcia port,
+	 * but AFAICS it is not routed to the saa7146 */
+	while (--timeout > 0 && ciintf_read_attribute_mem(ca, slot, 0) != 0x1d)
 		msleep(100);
 
-	ttpci_budget_set_video_port(saa, BUDGET_VIDEO_PORTB);
+	if (timeout <= 0)
+	{
+		printk(KERN_ERR "budget-av: cam reset failed (timeout).\n");
+		saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTHI); /* disable card */
+		saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTHI); /* Vcc off */
+		return -ETIMEDOUT;
+	}
+
 	return 0;
 }
 
@@ -240,7 +257,6 @@ static int ciintf_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open
 {
 	struct budget_av *budget_av = (struct budget_av *) ca->data;
 	struct saa7146_dev *saa = budget_av->budget.dev;
-	int cam = 0;
 
 	if (slot != 0)
 		return -EINVAL;
@@ -248,15 +264,21 @@ static int ciintf_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open
 	if (!budget_av->slot_status) {
 		saa7146_setgpio(saa, 3, SAA7146_GPIO_INPUT);
 		udelay(1);
-		cam = saa7146_read(saa, PSR) & MASK_06;
-		saa7146_setgpio(saa, 3, SAA7146_GPIO_OUTLO);
-
-		if (cam)
+		if (saa7146_read(saa, PSR) & MASK_06)
+		{
+			printk(KERN_INFO "budget-av: cam inserted\n");
 			budget_av->slot_status = 1;
+		}
+		saa7146_setgpio(saa, 3, SAA7146_GPIO_OUTLO);
 	} else if (!open) {
 		saa7146_setgpio(budget_av->budget.dev, 1, SAA7146_GPIO_OUTLO);
 		if (ttpci_budget_debiread(&budget_av->budget, DEBICICAM, 0, 1, 0, 1) == -ETIMEDOUT)
+		{
+			printk(KERN_INFO "budget-av: cam ejected\n");
+			saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTHI); /* disable card */
+			saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTHI); /* Vcc off */
 			budget_av->slot_status = 0;
+		}
 	}
 
 	if (budget_av->slot_status == 1)
@@ -272,17 +294,11 @@ static int ciintf_init(struct budget_av *budget_av)
 
 	memset(&budget_av->ca, 0, sizeof(struct dvb_ca_en50221));
 
-	/* setup GPIOs */
-	saa7146_setgpio(saa, 1, SAA7146_GPIO_OUTHI);
+	saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTLO);
+	saa7146_setgpio(saa, 1, SAA7146_GPIO_OUTLO);
 	saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTLO);
 	saa7146_setgpio(saa, 3, SAA7146_GPIO_OUTLO);
 
-	/* Reset the card */
-	saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTHI);
-	msleep(50);
-	saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTLO);
-	msleep(100);
-
 	/* Enable DEBI pins */
 	saa7146_write(saa, MC1, saa7146_read(saa, MC1) | (0x800 << 16) | 0x800);
 
@@ -297,13 +313,14 @@ static int ciintf_init(struct budget_av *budget_av)
 	budget_av->ca.slot_ts_enable = ciintf_slot_ts_enable;
 	budget_av->ca.poll_slot_status = ciintf_poll_slot_status;
 	budget_av->ca.data = budget_av;
-	if ((result = dvb_ca_en50221_init(budget_av->budget.dvb_adapter,
+
+	if ((result = dvb_ca_en50221_init(&budget_av->budget.dvb_adapter,
 					  &budget_av->ca, 0, 1)) != 0) {
-		printk("budget_av: CI interface detected, but initialisation failed.\n");
+		printk(KERN_ERR "budget-av: ci initialisation failed.\n");
 		goto error;
 	}
-	// success!
-	printk("ciintf_init: CI interface initialised\n");
+
+	printk(KERN_INFO "budget-av: ci interface initialised.\n");
 	budget_av->budget.ci_present = 1;
 	return 0;
 
@@ -361,8 +378,12 @@ static const u8 saa7113_tab[] = {
 static int saa7113_init(struct budget_av *budget_av)
 {
 	struct budget *budget = &budget_av->budget;
+	struct saa7146_dev *saa = budget->dev;
 	const u8 *data = saa7113_tab;
 
+	saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTHI);
+	msleep(200);
+
 	if (i2c_writereg(&budget->i2c_adap, 0x4a, 0x01, 0x08) != 1) {
 		dprintk(1, "saa7113 not found on KNC card\n");
 		return -ENODEV;
@@ -697,75 +718,90 @@ static u8 read_pwm(struct budget_av *budget_av)
 	return pwm;
 }
 
+#define SUBID_DVBS_KNC1		0x0010
+#define SUBID_DVBS_KNC1_PLUS	0x0011
+#define SUBID_DVBS_TYPHOON	0x4f56
+#define SUBID_DVBS_CINERGY1200	0x1154
+
+#define SUBID_DVBC_KNC1		0x0020
+#define SUBID_DVBC_KNC1_PLUS	0x0021
+#define SUBID_DVBC_CINERGY1200	0x1156
+
+#define SUBID_DVBT_KNC1_PLUS	0x0031
+#define SUBID_DVBT_KNC1		0x0030
+#define SUBID_DVBT_CINERGY1200	0x1157
 
 static void frontend_init(struct budget_av *budget_av)
 {
-	switch (budget_av->budget.dev->pci->subsystem_device) {
-	case 0x4f56:		// Typhoon/KNC1 DVB-S budget (stv0299/Philips SU1278(tsa5059))
-		budget_av->budget.dvb_frontend =
-			stv0299_attach(&typhoon_config, &budget_av->budget.i2c_adap);
-		if (budget_av->budget.dvb_frontend != NULL) {
+	struct saa7146_dev * saa = budget_av->budget.dev;
+	struct dvb_frontend * fe = NULL;
+
+	switch (saa->pci->subsystem_device) {
+		case SUBID_DVBS_KNC1_PLUS:
+		case SUBID_DVBC_KNC1_PLUS:
+		case SUBID_DVBT_KNC1_PLUS:
+			// Enable / PowerON Frontend
+			saa7146_setgpio(saa, 3, SAA7146_GPIO_OUTHI);
 			break;
-		}
+	}
+
+	switch (saa->pci->subsystem_device) {
+
+	case SUBID_DVBS_KNC1:
+	case SUBID_DVBS_KNC1_PLUS:
+	case SUBID_DVBS_TYPHOON:
+		fe = stv0299_attach(&typhoon_config,
+				    &budget_av->budget.i2c_adap);
 		break;
 
-	case 0x0020:		// KNC1 DVB-C budget (tda10021/Philips CU1216(tua6034))
-		budget_av->budget.dvb_frontend =
-			tda10021_attach(&philips_cu1216_config,
-					&budget_av->budget.i2c_adap, read_pwm(budget_av));
-		if (budget_av->budget.dvb_frontend != NULL) {
-			break;
-		}
+	case SUBID_DVBS_CINERGY1200:
+		fe = stv0299_attach(&cinergy_1200s_config,
+				    &budget_av->budget.i2c_adap);
 		break;
 
-	case 0x0030:		// KNC1 DVB-T budget (tda10046/Philips TU1216(tda6651tt))
-		budget_av->budget.dvb_frontend =
-			tda10046_attach(&philips_tu1216_config, &budget_av->budget.i2c_adap);
-		if (budget_av->budget.dvb_frontend != NULL) {
-			break;
-		}
+	case SUBID_DVBC_KNC1:
+	case SUBID_DVBC_KNC1_PLUS:
+		fe = tda10021_attach(&philips_cu1216_config,
+				     &budget_av->budget.i2c_adap,
+				     read_pwm(budget_av));
 		break;
 
-	case 0x1154:		// TerraTec Cinergy 1200 DVB-S (stv0299/Philips SU1278(tsa5059))
-		budget_av->budget.dvb_frontend =
-			stv0299_attach(&cinergy_1200s_config, &budget_av->budget.i2c_adap);
-		if (budget_av->budget.dvb_frontend != NULL) {
-			break;
-		}
+	case SUBID_DVBT_KNC1:
+	case SUBID_DVBT_KNC1_PLUS:
+		fe = tda10046_attach(&philips_tu1216_config,
+				     &budget_av->budget.i2c_adap);
 		break;
 
-	case 0x1156:		// Terratec Cinergy 1200 DVB-C (tda10021/Philips CU1216(tua6034))
-		budget_av->budget.dvb_frontend =
-			tda10021_attach(&philips_cu1216_config,
-					&budget_av->budget.i2c_adap, read_pwm(budget_av));
-		if (budget_av->budget.dvb_frontend) {
-			break;
-		}
+	case SUBID_DVBC_CINERGY1200:
+		fe = tda10021_attach(&philips_cu1216_config,
+				     &budget_av->budget.i2c_adap,
+				     read_pwm(budget_av));
 		break;
 
-	case 0x1157:		// Terratec Cinergy 1200 DVB-T (tda10046/Philips TU1216(tda6651tt))
-		budget_av->budget.dvb_frontend =
-			tda10046_attach(&philips_tu1216_config, &budget_av->budget.i2c_adap);
-		if (budget_av->budget.dvb_frontend) {
-			break;
-		}
+	case SUBID_DVBT_CINERGY1200:
+		fe = tda10046_attach(&philips_tu1216_config,
+				     &budget_av->budget.i2c_adap);
 		break;
 	}
 
-	if (budget_av->budget.dvb_frontend == NULL) {
-		printk("budget_av: A frontend driver was not found for device %04x/%04x subsystem %04x/%04x\n",
-		       budget_av->budget.dev->pci->vendor,
-		       budget_av->budget.dev->pci->device,
-		       budget_av->budget.dev->pci->subsystem_vendor,
-		       budget_av->budget.dev->pci->subsystem_device);
-	} else {
-		if (dvb_register_frontend
-		    (budget_av->budget.dvb_adapter, budget_av->budget.dvb_frontend)) {
-			printk("budget-av: Frontend registration failed!\n");
-			if (budget_av->budget.dvb_frontend->ops->release)
-				budget_av->budget.dvb_frontend->ops->release(budget_av->budget.dvb_frontend);
-			budget_av->budget.dvb_frontend = NULL;
-		}
+	if (fe == NULL) {
+		printk(KERN_ERR "budget-av: A frontend driver was not found "
+				"for device %04x/%04x subsystem %04x/%04x\n",
+		       saa->pci->vendor,
+		       saa->pci->device,
+		       saa->pci->subsystem_vendor,
+		       saa->pci->subsystem_device);
+		return;
+	}
+
+	budget_av->budget.dvb_frontend = fe;
+
+	if (dvb_register_frontend(&budget_av->budget.dvb_adapter,
+				  budget_av->budget.dvb_frontend)) {
+		printk(KERN_ERR "budget-av: Frontend registration failed!\n");
+		if (budget_av->budget.dvb_frontend->ops->release)
+			budget_av->budget.dvb_frontend->ops->release(budget_av->budget.dvb_frontend);
+		budget_av->budget.dvb_frontend = NULL;
 	}
 }
 
@@ -822,6 +858,7 @@ static int budget_av_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio
 
 	memset(budget_av, 0, sizeof(struct budget_av));
 
+	budget_av->has_saa7113 = 0;
 	budget_av->budget.ci_present = 0;
 
 	dev->ext_priv = budget_av;
@@ -836,10 +873,7 @@ static int budget_av_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio
 	saa7146_write(dev, DD1_INIT, 0x07000600);
 	saa7146_write(dev, MC2, MASK_09 | MASK_25 | MASK_10 | MASK_26);
 
-	saa7146_setgpio(dev, 0, SAA7146_GPIO_OUTHI);
-	msleep(500);
-
-	if (0 == saa7113_init(budget_av)) {
+	if (saa7113_init(budget_av) == 0) {
 		budget_av->has_saa7113 = 1;
 
 		if (0 != saa7146_vv_init(dev, &vv_data)) {
@@ -860,31 +894,26 @@ static int budget_av_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio
 
 		saa7113_setinput(budget_av, 0);
 	} else {
-		budget_av->has_saa7113 = 0;
-
-		saa7146_setgpio(dev, 0, SAA7146_GPIO_OUTLO);
+		ciintf_init(budget_av);
 	}
 
 	/* fixme: find some sane values here... */
 	saa7146_write(dev, PCI_BT_V1, 0x1c00101f);
 
-	mac = budget_av->budget.dvb_adapter->proposed_mac;
+	mac = budget_av->budget.dvb_adapter.proposed_mac;
 	if (i2c_readregs(&budget_av->budget.i2c_adap, 0xa0, 0x30, mac, 6)) {
-		printk("KNC1-%d: Could not read MAC from KNC1 card\n",
-		       budget_av->budget.dvb_adapter->num);
+		printk(KERN_ERR "KNC1-%d: Could not read MAC from KNC1 card\n",
+		       budget_av->budget.dvb_adapter.num);
 		memset(mac, 0, 6);
 	} else {
-		printk("KNC1-%d: MAC addr = %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n",
-		       budget_av->budget.dvb_adapter->num,
+		printk(KERN_INFO "KNC1-%d: MAC addr = %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n",
+		       budget_av->budget.dvb_adapter.num,
 		       mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
 	}
 
-	budget_av->budget.dvb_adapter->priv = budget_av;
+	budget_av->budget.dvb_adapter.priv = budget_av;
 	frontend_init(budget_av);
 
-	if (enable_ci)
-		ciintf_init(budget_av);
-
 	return 0;
 }
 
@@ -963,14 +992,21 @@ static struct saa7146_extension budget_extension;
 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(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);
 MAKE_BUDGET_INFO(cin1200s, "TerraTec Cinergy 1200 DVB-S", BUDGET_CIN1200S);
 MAKE_BUDGET_INFO(cin1200c, "Terratec Cinergy 1200 DVB-C", BUDGET_CIN1200C);
 MAKE_BUDGET_INFO(cin1200t, "Terratec Cinergy 1200 DVB-T", BUDGET_CIN1200T);
 
 static struct pci_device_id pci_tbl[] = {
 	MAKE_EXTENSION_PCI(knc1s, 0x1131, 0x4f56),
+	MAKE_EXTENSION_PCI(knc1s, 0x1131, 0x0010),
+	MAKE_EXTENSION_PCI(knc1sp, 0x1131, 0x0011),
 	MAKE_EXTENSION_PCI(knc1c, 0x1894, 0x0020),
+	MAKE_EXTENSION_PCI(knc1cp, 0x1894, 0x0021),
 	MAKE_EXTENSION_PCI(knc1t, 0x1894, 0x0030),
+	MAKE_EXTENSION_PCI(knc1tp, 0x1894, 0x0031),
 	MAKE_EXTENSION_PCI(cin1200s, 0x153b, 0x1154),
 	MAKE_EXTENSION_PCI(cin1200c, 0x153b, 0x1156),
 	MAKE_EXTENSION_PCI(cin1200t, 0x153b, 0x1157),
@@ -1010,5 +1046,3 @@ MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Ralph Metzler, Marcus Metzler, Michael Hunold, others");
 MODULE_DESCRIPTION("driver for the SAA7146 based so-called "
 		   "budget PCI DVB w/ analog input and CI-module (e.g. the KNC cards)");
-module_param_named(enable_ci, enable_ci, int, 0644);
-MODULE_PARM_DESC(enable_ci, "Turn on/off CI module (default:off).");
diff --git a/drivers/media/dvb/ttpci/budget-ci.c b/drivers/media/dvb/ttpci/budget-ci.c
index 521111be355..dce11611137 100644
--- a/drivers/media/dvb/ttpci/budget-ci.c
+++ b/drivers/media/dvb/ttpci/budget-ci.c
@@ -395,7 +395,7 @@ static int ciintf_init(struct budget_ci *budget_ci)
 	budget_ci->ca.slot_shutdown = ciintf_slot_shutdown;
 	budget_ci->ca.slot_ts_enable = ciintf_slot_ts_enable;
 	budget_ci->ca.data = budget_ci;
-	if ((result = dvb_ca_en50221_init(budget_ci->budget.dvb_adapter,
+	if ((result = dvb_ca_en50221_init(&budget_ci->budget.dvb_adapter,
 					  &budget_ci->ca,
 					  DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE |
 					  DVB_CA_EN50221_FLAG_IRQ_FR |
@@ -881,7 +881,7 @@ static void frontend_init(struct budget_ci *budget_ci)
 		       budget_ci->budget.dev->pci->subsystem_device);
 	} else {
 		if (dvb_register_frontend
-		    (budget_ci->budget.dvb_adapter, budget_ci->budget.dvb_frontend)) {
+		    (&budget_ci->budget.dvb_adapter, budget_ci->budget.dvb_frontend)) {
 			printk("budget-ci: Frontend registration failed!\n");
 			if (budget_ci->budget.dvb_frontend->ops->release)
 				budget_ci->budget.dvb_frontend->ops->release(budget_ci->budget.dvb_frontend);
@@ -916,7 +916,7 @@ static int budget_ci_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio
 
 	ciintf_init(budget_ci);
 
-	budget_ci->budget.dvb_adapter->priv = budget_ci;
+	budget_ci->budget.dvb_adapter.priv = budget_ci;
 	frontend_init(budget_ci);
 
 	return 0;
diff --git a/drivers/media/dvb/ttpci/budget-core.c b/drivers/media/dvb/ttpci/budget-core.c
index 93a9b40917e..0498a055a4c 100644
--- a/drivers/media/dvb/ttpci/budget-core.c
+++ b/drivers/media/dvb/ttpci/budget-core.c
@@ -298,7 +298,7 @@ static int budget_register(struct budget *budget)
 	budget->dmxdev.demux = &dvbdemux->dmx;
 	budget->dmxdev.capabilities = 0;
 
-	dvb_dmxdev_init(&budget->dmxdev, budget->dvb_adapter);
+	dvb_dmxdev_init(&budget->dmxdev, &budget->dvb_adapter);
 
 	budget->hw_frontend.source = DMX_FRONTEND_0;
 
@@ -316,7 +316,7 @@ static int budget_register(struct budget *budget)
 	if (ret < 0)
 		return ret;
 
-	dvb_net_init(budget->dvb_adapter, &budget->dvb_net, &dvbdemux->dmx);
+	dvb_net_init(&budget->dvb_adapter, &budget->dvb_net, &dvbdemux->dmx);
 
 	return 0;
 }
@@ -385,11 +385,11 @@ int ttpci_budget_init(struct budget *budget, struct saa7146_dev *dev,
 	strcpy(budget->i2c_adap.name, budget->card->name);
 
 	if (i2c_add_adapter(&budget->i2c_adap) < 0) {
-		dvb_unregister_adapter(budget->dvb_adapter);
+		dvb_unregister_adapter(&budget->dvb_adapter);
 		return -ENOMEM;
 	}
 
-	ttpci_eeprom_parse_mac(&budget->i2c_adap, budget->dvb_adapter->proposed_mac);
+	ttpci_eeprom_parse_mac(&budget->i2c_adap, budget->dvb_adapter.proposed_mac);
 
 	if (NULL ==
 	    (budget->grabbing = saa7146_vmalloc_build_pgtable(dev->pci, length, &budget->pt))) {
@@ -417,7 +417,7 @@ err:
 
 	vfree(budget->grabbing);
 
-	dvb_unregister_adapter(budget->dvb_adapter);
+	dvb_unregister_adapter(&budget->dvb_adapter);
 
 	return ret;
 }
@@ -432,7 +432,7 @@ int ttpci_budget_deinit(struct budget *budget)
 
 	i2c_del_adapter(&budget->i2c_adap);
 
-	dvb_unregister_adapter(budget->dvb_adapter);
+	dvb_unregister_adapter(&budget->dvb_adapter);
 
 	tasklet_kill(&budget->vpe_tasklet);
 
diff --git a/drivers/media/dvb/ttpci/budget-patch.c b/drivers/media/dvb/ttpci/budget-patch.c
index 5d524a4f213..8142e26b47f 100644
--- a/drivers/media/dvb/ttpci/budget-patch.c
+++ b/drivers/media/dvb/ttpci/budget-patch.c
@@ -453,7 +453,7 @@ static void frontend_init(struct budget_patch* budget)
 		       budget->dev->pci->subsystem_vendor,
 		       budget->dev->pci->subsystem_device);
 	} else {
-		if (dvb_register_frontend(budget->dvb_adapter, budget->dvb_frontend)) {
+		if (dvb_register_frontend(&budget->dvb_adapter, budget->dvb_frontend)) {
 			printk("budget-av: Frontend registration failed!\n");
 			if (budget->dvb_frontend->ops->release)
 				budget->dvb_frontend->ops->release(budget->dvb_frontend);
@@ -702,7 +702,7 @@ static int budget_patch_attach (struct saa7146_dev* dev, struct saa7146_pci_exte
 
         dev->ext_priv = budget;
 
-	budget->dvb_adapter->priv = budget;
+	budget->dvb_adapter.priv = budget;
 	frontend_init(budget);
 
         return 0;
diff --git a/drivers/media/dvb/ttpci/budget.c b/drivers/media/dvb/ttpci/budget.c
index 5e6a10f4ad9..083fd44e5f9 100644
--- a/drivers/media/dvb/ttpci/budget.c
+++ b/drivers/media/dvb/ttpci/budget.c
@@ -468,7 +468,7 @@ static void frontend_init(struct budget *budget)
 		       budget->dev->pci->subsystem_vendor,
 		       budget->dev->pci->subsystem_device);
 	} else {
-		if (dvb_register_frontend(budget->dvb_adapter, budget->dvb_frontend)) {
+		if (dvb_register_frontend(&budget->dvb_adapter, budget->dvb_frontend)) {
 			printk("budget: Frontend registration failed!\n");
 			if (budget->dvb_frontend->ops->release)
 				budget->dvb_frontend->ops->release(budget->dvb_frontend);
@@ -497,7 +497,7 @@ static int budget_attach (struct saa7146_dev* dev, struct saa7146_pci_extension_
 		return err;
 	}
 
-	budget->dvb_adapter->priv = budget;
+	budget->dvb_adapter.priv = budget;
 	frontend_init(budget);
 
 	return 0;
diff --git a/drivers/media/dvb/ttpci/budget.h b/drivers/media/dvb/ttpci/budget.h
index 10bd41f0363..c6ef496ba70 100644
--- a/drivers/media/dvb/ttpci/budget.h
+++ b/drivers/media/dvb/ttpci/budget.h
@@ -64,7 +64,7 @@ struct budget {
 
 	spinlock_t debilock;
 
-	struct dvb_adapter *dvb_adapter;
+	struct dvb_adapter dvb_adapter;
 	struct dvb_frontend *dvb_frontend;
 	void *priv;
 };
@@ -92,6 +92,9 @@ static struct saa7146_pci_extension_data x_var = { \
 #define BUDGET_KNC1S		   8
 #define BUDGET_KNC1C		   9
 #define BUDGET_KNC1T		   10
+#define BUDGET_KNC1SP		   11
+#define BUDGET_KNC1CP		   12
+#define BUDGET_KNC1TP		   13
 
 #define BUDGET_VIDEO_PORTA         0
 #define BUDGET_VIDEO_PORTB         1
diff --git a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
index 4c046ece883..afa0e7a0e50 100644
--- a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
+++ b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
@@ -84,7 +84,7 @@ struct ttusb {
 	struct semaphore semi2c;
 	struct semaphore semusb;
 
-	struct dvb_adapter *adapter;
+	struct dvb_adapter adapter;
 	struct usb_device *dev;
 
 	struct i2c_adapter i2c_adap;
@@ -1065,7 +1065,7 @@ static int alps_tdmb7_pll_set(struct dvb_frontend* fe, struct dvb_frontend_param
 	return 0;
 }
 
-struct cx22700_config alps_tdmb7_config = {
+static struct cx22700_config alps_tdmb7_config = {
 	.demod_address = 0x43,
 	.pll_set = alps_tdmb7_pll_set,
 };
@@ -1412,7 +1412,7 @@ static void frontend_init(struct ttusb* ttusb)
 		       le16_to_cpu(ttusb->dev->descriptor.idVendor),
 		       le16_to_cpu(ttusb->dev->descriptor.idProduct));
 	} else {
-		if (dvb_register_frontend(ttusb->adapter, ttusb->fe)) {
+		if (dvb_register_frontend(&ttusb->adapter, ttusb->fe)) {
 			printk("dvb-ttusb-budget: Frontend registration failed!\n");
 			if (ttusb->fe->ops->release)
 				ttusb->fe->ops->release(ttusb->fe);
@@ -1462,7 +1462,7 @@ static int ttusb_probe(struct usb_interface *intf, const struct usb_device_id *i
 	up(&ttusb->semi2c);
 
 	dvb_register_adapter(&ttusb->adapter, "Technotrend/Hauppauge Nova-USB", THIS_MODULE);
-	ttusb->adapter->priv = ttusb;
+	ttusb->adapter.priv = ttusb;
 
 	/* i2c */
 	memset(&ttusb->i2c_adap, 0, sizeof(struct i2c_adapter));
@@ -1481,7 +1481,7 @@ static int ttusb_probe(struct usb_interface *intf, const struct usb_device_id *i
 
 	result = i2c_add_adapter(&ttusb->i2c_adap);
 	if (result) {
-		dvb_unregister_adapter (ttusb->adapter);
+		dvb_unregister_adapter (&ttusb->adapter);
 		return result;
 	}
 
@@ -1503,7 +1503,7 @@ static int ttusb_probe(struct usb_interface *intf, const struct usb_device_id *i
 	if ((result = dvb_dmx_init(&ttusb->dvb_demux)) < 0) {
 		printk("ttusb_dvb: dvb_dmx_init failed (errno = %d)\n", result);
 		i2c_del_adapter(&ttusb->i2c_adap);
-		dvb_unregister_adapter (ttusb->adapter);
+		dvb_unregister_adapter (&ttusb->adapter);
 		return -ENODEV;
 	}
 //FIXME dmxdev (nur WAS?)
@@ -1511,21 +1511,21 @@ static int ttusb_probe(struct usb_interface *intf, const struct usb_device_id *i
 	ttusb->dmxdev.demux = &ttusb->dvb_demux.dmx;
 	ttusb->dmxdev.capabilities = 0;
 
-	if ((result = dvb_dmxdev_init(&ttusb->dmxdev, ttusb->adapter)) < 0) {
+	if ((result = dvb_dmxdev_init(&ttusb->dmxdev, &ttusb->adapter)) < 0) {
 		printk("ttusb_dvb: dvb_dmxdev_init failed (errno = %d)\n",
 		       result);
 		dvb_dmx_release(&ttusb->dvb_demux);
 		i2c_del_adapter(&ttusb->i2c_adap);
-		dvb_unregister_adapter (ttusb->adapter);
+		dvb_unregister_adapter (&ttusb->adapter);
 		return -ENODEV;
 	}
 
-	if (dvb_net_init(ttusb->adapter, &ttusb->dvbnet, &ttusb->dvb_demux.dmx)) {
+	if (dvb_net_init(&ttusb->adapter, &ttusb->dvbnet, &ttusb->dvb_demux.dmx)) {
 		printk("ttusb_dvb: dvb_net_init failed!\n");
 		dvb_dmxdev_release(&ttusb->dmxdev);
 		dvb_dmx_release(&ttusb->dvb_demux);
 		i2c_del_adapter(&ttusb->i2c_adap);
-		dvb_unregister_adapter (ttusb->adapter);
+		dvb_unregister_adapter (&ttusb->adapter);
 		return -ENODEV;
 	}
 
@@ -1559,7 +1559,7 @@ static void ttusb_disconnect(struct usb_interface *intf)
 	dvb_dmx_release(&ttusb->dvb_demux);
 	if (ttusb->fe != NULL) dvb_unregister_frontend(ttusb->fe);
 	i2c_del_adapter(&ttusb->i2c_adap);
-	dvb_unregister_adapter(ttusb->adapter);
+	dvb_unregister_adapter(&ttusb->adapter);
 
 	ttusb_free_iso_urbs(ttusb);
 
diff --git a/drivers/media/dvb/ttusb-dec/ttusb_dec.c b/drivers/media/dvb/ttusb-dec/ttusb_dec.c
index 64e771bd890..505bdaff5a7 100644
--- a/drivers/media/dvb/ttusb-dec/ttusb_dec.c
+++ b/drivers/media/dvb/ttusb-dec/ttusb_dec.c
@@ -98,7 +98,7 @@ struct ttusb_dec {
 	int				can_playback;
 
 	/* DVB bits */
-	struct dvb_adapter		*adapter;
+	struct dvb_adapter		adapter;
 	struct dmxdev			dmxdev;
 	struct dvb_demux		demux;
 	struct dmx_frontend		frontend;
@@ -1435,7 +1435,7 @@ static int ttusb_dec_init_dvb(struct ttusb_dec *dec)
 		printk("%s: dvb_dmx_init failed: error %d\n", __FUNCTION__,
 		       result);
 
-		dvb_unregister_adapter(dec->adapter);
+		dvb_unregister_adapter(&dec->adapter);
 
 		return result;
 	}
@@ -1444,12 +1444,12 @@ static int ttusb_dec_init_dvb(struct ttusb_dec *dec)
 	dec->dmxdev.demux = &dec->demux.dmx;
 	dec->dmxdev.capabilities = 0;
 
-	if ((result = dvb_dmxdev_init(&dec->dmxdev, dec->adapter)) < 0) {
+	if ((result = dvb_dmxdev_init(&dec->dmxdev, &dec->adapter)) < 0) {
 		printk("%s: dvb_dmxdev_init failed: error %d\n",
 		       __FUNCTION__, result);
 
 		dvb_dmx_release(&dec->demux);
-		dvb_unregister_adapter(dec->adapter);
+		dvb_unregister_adapter(&dec->adapter);
 
 		return result;
 	}
@@ -1463,7 +1463,7 @@ static int ttusb_dec_init_dvb(struct ttusb_dec *dec)
 
 		dvb_dmxdev_release(&dec->dmxdev);
 		dvb_dmx_release(&dec->demux);
-		dvb_unregister_adapter(dec->adapter);
+		dvb_unregister_adapter(&dec->adapter);
 
 		return result;
 	}
@@ -1476,12 +1476,12 @@ static int ttusb_dec_init_dvb(struct ttusb_dec *dec)
 		dec->demux.dmx.remove_frontend(&dec->demux.dmx, &dec->frontend);
 		dvb_dmxdev_release(&dec->dmxdev);
 		dvb_dmx_release(&dec->demux);
-		dvb_unregister_adapter(dec->adapter);
+		dvb_unregister_adapter(&dec->adapter);
 
 		return result;
 	}
 
-	dvb_net_init(dec->adapter, &dec->dvb_net, &dec->demux.dmx);
+	dvb_net_init(&dec->adapter, &dec->dvb_net, &dec->demux.dmx);
 
 	return 0;
 }
@@ -1496,7 +1496,7 @@ static void ttusb_dec_exit_dvb(struct ttusb_dec *dec)
 	dvb_dmxdev_release(&dec->dmxdev);
 	dvb_dmx_release(&dec->demux);
 	if (dec->fe) dvb_unregister_frontend(dec->fe);
-	dvb_unregister_adapter(dec->adapter);
+	dvb_unregister_adapter(&dec->adapter);
 }
 
 static void ttusb_dec_exit_rc(struct ttusb_dec *dec)
@@ -1565,15 +1565,15 @@ static void ttusb_dec_exit_filters(struct ttusb_dec *dec)
 	}
 }
 
-int fe_send_command(struct dvb_frontend* fe, const u8 command,
-		    int param_length, const u8 params[],
-		    int *result_length, u8 cmd_result[])
+static int fe_send_command(struct dvb_frontend* fe, const u8 command,
+			   int param_length, const u8 params[],
+			   int *result_length, u8 cmd_result[])
 {
 	struct ttusb_dec* dec = (struct ttusb_dec*) fe->dvb->priv;
 	return ttusb_dec_send_command(dec, command, param_length, params, result_length, cmd_result);
 }
 
-struct ttusbdecfe_config fe_config = {
+static struct ttusbdecfe_config fe_config = {
 	.send_command = fe_send_command
 };
 
@@ -1620,7 +1620,7 @@ static int ttusb_dec_probe(struct usb_interface *intf,
 	}
 	ttusb_dec_init_dvb(dec);
 
-	dec->adapter->priv = dec;
+	dec->adapter.priv = dec;
 	switch (le16_to_cpu(id->idProduct)) {
 	case 0x1006:
 		dec->fe = ttusbdecfe_dvbs_attach(&fe_config);
@@ -1637,7 +1637,7 @@ static int ttusb_dec_probe(struct usb_interface *intf,
 		       le16_to_cpu(dec->udev->descriptor.idVendor),
 		       le16_to_cpu(dec->udev->descriptor.idProduct));
 	} else {
-		if (dvb_register_frontend(dec->adapter, dec->fe)) {
+		if (dvb_register_frontend(&dec->adapter, dec->fe)) {
 			printk("budget-ci: Frontend registration failed!\n");
 			if (dec->fe->ops->release)
 				dec->fe->ops->release(dec->fe);