[PATCH] dvb: b2c2/flexcop driver refactoring part 1: drop old b2c2-usb stuff

b2c2/flexcop driver refactoring to support PCI and USB based cards, part 1:
drop abandoned attempt to support USB devices

Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

4 files changed, 0 insertions, 779 deletions

diff --git a/drivers/media/dvb/b2c2/Kconfig b/drivers/media/dvb/b2c2/Kconfig
index 5259690..f1f6187 100644
--- a/drivers/media/dvb/b2c2/Kconfig
+++ b/drivers/media/dvb/b2c2/Kconfig
@@ -11,16 +11,3 @@ config DVB_B2C2_SKYSTAR
 	  for the B2C2/BBTI Air2PC-ATSC card.
 
 	  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
-	select DVB_STV0299
-	select DVB_MT352
-	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.
-
-	  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 9fb1247..f9cdc6f 100644
--- a/drivers/media/dvb/b2c2/Makefile
+++ b/drivers/media/dvb/b2c2/Makefile
@@ -1,6 +1,3 @@
-obj-b2c2-usb = b2c2-usb-core.o b2c2-common.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 000d60c4..0000000
--- 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 9306da0..0000000
--- 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);