Adding upstream version 5.10.209.upstream/5.10.209

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2643 insertions, 0 deletions

diff --git a/drivers/media/usb/dvb-usb/dw2102.c b/drivers/media/usb/dvb-usb/dw2102.c
new file mode 100644
index 000000000..2290f132a
--- /dev/null
+++ b/drivers/media/usb/dvb-usb/dw2102.c
@@ -0,0 +1,2643 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* DVB USB framework compliant Linux driver for the
+ *	DVBWorld DVB-S 2101, 2102, DVB-S2 2104, DVB-C 3101,
+ *	TeVii S421, S480, S482, S600, S630, S632, S650, S660, S662,
+ *	Prof 1100, 7500,
+ *	Geniatech SU3000, T220,
+ *	TechnoTrend S2-4600,
+ *	Terratec Cinergy S2 cards
+ * Copyright (C) 2008-2012 Igor M. Liplianin (liplianin@me.by)
+ *
+ * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
+ */
+#include <media/dvb-usb-ids.h>
+#include "dw2102.h"
+#include "si21xx.h"
+#include "stv0299.h"
+#include "z0194a.h"
+#include "stv0288.h"
+#include "stb6000.h"
+#include "eds1547.h"
+#include "cx24116.h"
+#include "tda1002x.h"
+#include "mt312.h"
+#include "zl10039.h"
+#include "ts2020.h"
+#include "ds3000.h"
+#include "stv0900.h"
+#include "stv6110.h"
+#include "stb6100.h"
+#include "stb6100_proc.h"
+#include "m88rs2000.h"
+#include "tda18271.h"
+#include "cxd2820r.h"
+#include "m88ds3103.h"
+
+/* Max transfer size done by I2C transfer functions */
+#define MAX_XFER_SIZE  64
+
+
+#define DW210X_READ_MSG 0
+#define DW210X_WRITE_MSG 1
+
+#define REG_1F_SYMBOLRATE_BYTE0 0x1f
+#define REG_20_SYMBOLRATE_BYTE1 0x20
+#define REG_21_SYMBOLRATE_BYTE2 0x21
+/* on my own*/
+#define DW2102_VOLTAGE_CTRL (0x1800)
+#define SU3000_STREAM_CTRL (0x1900)
+#define DW2102_RC_QUERY (0x1a00)
+#define DW2102_LED_CTRL (0x1b00)
+
+#define DW2101_FIRMWARE "dvb-usb-dw2101.fw"
+#define DW2102_FIRMWARE "dvb-usb-dw2102.fw"
+#define DW2104_FIRMWARE "dvb-usb-dw2104.fw"
+#define DW3101_FIRMWARE "dvb-usb-dw3101.fw"
+#define S630_FIRMWARE   "dvb-usb-s630.fw"
+#define S660_FIRMWARE   "dvb-usb-s660.fw"
+#define P1100_FIRMWARE  "dvb-usb-p1100.fw"
+#define P7500_FIRMWARE  "dvb-usb-p7500.fw"
+
+#define	err_str "did not find the firmware file '%s'. You can use <kernel_dir>/scripts/get_dvb_firmware to get the firmware"
+
+struct dw2102_state {
+	u8 initialized;
+	u8 last_lock;
+	u8 data[MAX_XFER_SIZE + 4];
+	struct i2c_client *i2c_client_demod;
+	struct i2c_client *i2c_client_tuner;
+
+	/* fe hook functions*/
+	int (*old_set_voltage)(struct dvb_frontend *f, enum fe_sec_voltage v);
+	int (*fe_read_status)(struct dvb_frontend *fe,
+			      enum fe_status *status);
+};
+
+/* debug */
+static int dvb_usb_dw2102_debug;
+module_param_named(debug, dvb_usb_dw2102_debug, int, 0644);
+MODULE_PARM_DESC(debug, "set debugging level (1=info 2=xfer 4=rc(or-able))."
+						DVB_USB_DEBUG_STATUS);
+
+/* demod probe */
+static int demod_probe = 1;
+module_param_named(demod, demod_probe, int, 0644);
+MODULE_PARM_DESC(demod, "demod to probe (1=cx24116 2=stv0903+stv6110 4=stv0903+stb6100(or-able)).");
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+static int dw210x_op_rw(struct usb_device *dev, u8 request, u16 value,
+			u16 index, u8 * data, u16 len, int flags)
+{
+	int ret;
+	u8 *u8buf;
+	unsigned int pipe = (flags == DW210X_READ_MSG) ?
+				usb_rcvctrlpipe(dev, 0) : usb_sndctrlpipe(dev, 0);
+	u8 request_type = (flags == DW210X_READ_MSG) ? USB_DIR_IN : USB_DIR_OUT;
+
+	u8buf = kmalloc(len, GFP_KERNEL);
+	if (!u8buf)
+		return -ENOMEM;
+
+
+	if (flags == DW210X_WRITE_MSG)
+		memcpy(u8buf, data, len);
+	ret = usb_control_msg(dev, pipe, request, request_type | USB_TYPE_VENDOR,
+				value, index , u8buf, len, 2000);
+
+	if (flags == DW210X_READ_MSG)
+		memcpy(data, u8buf, len);
+
+	kfree(u8buf);
+	return ret;
+}
+
+/* I2C */
+static int dw2102_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[],
+		int num)
+{
+	struct dvb_usb_device *d = i2c_get_adapdata(adap);
+	int i = 0;
+	u8 buf6[] = {0x2c, 0x05, 0xc0, 0, 0, 0, 0};
+	u16 value;
+
+	if (!d)
+		return -ENODEV;
+	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+		return -EAGAIN;
+
+	switch (num) {
+	case 2:
+		if (msg[0].len < 1) {
+			num = -EOPNOTSUPP;
+			break;
+		}
+		/* read stv0299 register */
+		value = msg[0].buf[0];/* register */
+		for (i = 0; i < msg[1].len; i++) {
+			dw210x_op_rw(d->udev, 0xb5, value + i, 0,
+					buf6, 2, DW210X_READ_MSG);
+			msg[1].buf[i] = buf6[0];
+		}
+		break;
+	case 1:
+		switch (msg[0].addr) {
+		case 0x68:
+			if (msg[0].len < 2) {
+				num = -EOPNOTSUPP;
+				break;
+			}
+			/* write to stv0299 register */
+			buf6[0] = 0x2a;
+			buf6[1] = msg[0].buf[0];
+			buf6[2] = msg[0].buf[1];
+			dw210x_op_rw(d->udev, 0xb2, 0, 0,
+					buf6, 3, DW210X_WRITE_MSG);
+			break;
+		case 0x60:
+			if (msg[0].flags == 0) {
+				if (msg[0].len < 4) {
+					num = -EOPNOTSUPP;
+					break;
+				}
+			/* write to tuner pll */
+				buf6[0] = 0x2c;
+				buf6[1] = 5;
+				buf6[2] = 0xc0;
+				buf6[3] = msg[0].buf[0];
+				buf6[4] = msg[0].buf[1];
+				buf6[5] = msg[0].buf[2];
+				buf6[6] = msg[0].buf[3];
+				dw210x_op_rw(d->udev, 0xb2, 0, 0,
+						buf6, 7, DW210X_WRITE_MSG);
+			} else {
+				if (msg[0].len < 1) {
+					num = -EOPNOTSUPP;
+					break;
+				}
+			/* read from tuner */
+				dw210x_op_rw(d->udev, 0xb5, 0, 0,
+						buf6, 1, DW210X_READ_MSG);
+				msg[0].buf[0] = buf6[0];
+			}
+			break;
+		case (DW2102_RC_QUERY):
+			if (msg[0].len < 2) {
+				num = -EOPNOTSUPP;
+				break;
+			}
+			dw210x_op_rw(d->udev, 0xb8, 0, 0,
+					buf6, 2, DW210X_READ_MSG);
+			msg[0].buf[0] = buf6[0];
+			msg[0].buf[1] = buf6[1];
+			break;
+		case (DW2102_VOLTAGE_CTRL):
+			if (msg[0].len < 1) {
+				num = -EOPNOTSUPP;
+				break;
+			}
+			buf6[0] = 0x30;
+			buf6[1] = msg[0].buf[0];
+			dw210x_op_rw(d->udev, 0xb2, 0, 0,
+					buf6, 2, DW210X_WRITE_MSG);
+			break;
+		}
+
+		break;
+	}
+
+	mutex_unlock(&d->i2c_mutex);
+	return num;
+}
+
+static int dw2102_serit_i2c_transfer(struct i2c_adapter *adap,
+						struct i2c_msg msg[], int num)
+{
+	struct dvb_usb_device *d = i2c_get_adapdata(adap);
+	u8 buf6[] = {0, 0, 0, 0, 0, 0, 0};
+
+	if (!d)
+		return -ENODEV;
+	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+		return -EAGAIN;
+
+	switch (num) {
+	case 2:
+		if (msg[0].len != 1) {
+			warn("i2c rd: len=%d is not 1!\n",
+			     msg[0].len);
+			num = -EOPNOTSUPP;
+			break;
+		}
+
+		if (2 + msg[1].len > sizeof(buf6)) {
+			warn("i2c rd: len=%d is too big!\n",
+			     msg[1].len);
+			num = -EOPNOTSUPP;
+			break;
+		}
+
+		/* read si2109 register by number */
+		buf6[0] = msg[0].addr << 1;
+		buf6[1] = msg[0].len;
+		buf6[2] = msg[0].buf[0];
+		dw210x_op_rw(d->udev, 0xc2, 0, 0,
+				buf6, msg[0].len + 2, DW210X_WRITE_MSG);
+		/* read si2109 register */
+		dw210x_op_rw(d->udev, 0xc3, 0xd0, 0,
+				buf6, msg[1].len + 2, DW210X_READ_MSG);
+		memcpy(msg[1].buf, buf6 + 2, msg[1].len);
+
+		break;
+	case 1:
+		switch (msg[0].addr) {
+		case 0x68:
+			if (2 + msg[0].len > sizeof(buf6)) {
+				warn("i2c wr: len=%d is too big!\n",
+				     msg[0].len);
+				num = -EOPNOTSUPP;
+				break;
+			}
+
+			/* write to si2109 register */
+			buf6[0] = msg[0].addr << 1;
+			buf6[1] = msg[0].len;
+			memcpy(buf6 + 2, msg[0].buf, msg[0].len);
+			dw210x_op_rw(d->udev, 0xc2, 0, 0, buf6,
+					msg[0].len + 2, DW210X_WRITE_MSG);
+			break;
+		case(DW2102_RC_QUERY):
+			dw210x_op_rw(d->udev, 0xb8, 0, 0,
+					buf6, 2, DW210X_READ_MSG);
+			msg[0].buf[0] = buf6[0];
+			msg[0].buf[1] = buf6[1];
+			break;
+		case(DW2102_VOLTAGE_CTRL):
+			buf6[0] = 0x30;
+			buf6[1] = msg[0].buf[0];
+			dw210x_op_rw(d->udev, 0xb2, 0, 0,
+					buf6, 2, DW210X_WRITE_MSG);
+			break;
+		}
+		break;
+	}
+
+	mutex_unlock(&d->i2c_mutex);
+	return num;
+}
+
+static int dw2102_earda_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num)
+{
+	struct dvb_usb_device *d = i2c_get_adapdata(adap);
+	int ret;
+
+	if (!d)
+		return -ENODEV;
+	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+		return -EAGAIN;
+
+	switch (num) {
+	case 2: {
+		/* read */
+		/* first write first register number */
+		u8 ibuf[MAX_XFER_SIZE], obuf[3];
+
+		if (2 + msg[0].len != sizeof(obuf)) {
+			warn("i2c rd: len=%d is not 1!\n",
+			     msg[0].len);
+			ret = -EOPNOTSUPP;
+			goto unlock;
+		}
+
+		if (2 + msg[1].len > sizeof(ibuf)) {
+			warn("i2c rd: len=%d is too big!\n",
+			     msg[1].len);
+			ret = -EOPNOTSUPP;
+			goto unlock;
+		}
+
+		obuf[0] = msg[0].addr << 1;
+		obuf[1] = msg[0].len;
+		obuf[2] = msg[0].buf[0];
+		dw210x_op_rw(d->udev, 0xc2, 0, 0,
+				obuf, msg[0].len + 2, DW210X_WRITE_MSG);
+		/* second read registers */
+		dw210x_op_rw(d->udev, 0xc3, 0xd1 , 0,
+				ibuf, msg[1].len + 2, DW210X_READ_MSG);
+		memcpy(msg[1].buf, ibuf + 2, msg[1].len);
+
+		break;
+	}
+	case 1:
+		switch (msg[0].addr) {
+		case 0x68: {
+			/* write to register */
+			u8 obuf[MAX_XFER_SIZE];
+
+			if (2 + msg[0].len > sizeof(obuf)) {
+				warn("i2c wr: len=%d is too big!\n",
+				     msg[1].len);
+				ret = -EOPNOTSUPP;
+				goto unlock;
+			}
+
+			obuf[0] = msg[0].addr << 1;
+			obuf[1] = msg[0].len;
+			memcpy(obuf + 2, msg[0].buf, msg[0].len);
+			dw210x_op_rw(d->udev, 0xc2, 0, 0,
+					obuf, msg[0].len + 2, DW210X_WRITE_MSG);
+			break;
+		}
+		case 0x61: {
+			/* write to tuner */
+			u8 obuf[MAX_XFER_SIZE];
+
+			if (2 + msg[0].len > sizeof(obuf)) {
+				warn("i2c wr: len=%d is too big!\n",
+				     msg[1].len);
+				ret = -EOPNOTSUPP;
+				goto unlock;
+			}
+
+			obuf[0] = msg[0].addr << 1;
+			obuf[1] = msg[0].len;
+			memcpy(obuf + 2, msg[0].buf, msg[0].len);
+			dw210x_op_rw(d->udev, 0xc2, 0, 0,
+					obuf, msg[0].len + 2, DW210X_WRITE_MSG);
+			break;
+		}
+		case(DW2102_RC_QUERY): {
+			u8 ibuf[2];
+			dw210x_op_rw(d->udev, 0xb8, 0, 0,
+					ibuf, 2, DW210X_READ_MSG);
+			memcpy(msg[0].buf, ibuf , 2);
+			break;
+		}
+		case(DW2102_VOLTAGE_CTRL): {
+			u8 obuf[2];
+			obuf[0] = 0x30;
+			obuf[1] = msg[0].buf[0];
+			dw210x_op_rw(d->udev, 0xb2, 0, 0,
+					obuf, 2, DW210X_WRITE_MSG);
+			break;
+		}
+		}
+
+		break;
+	}
+	ret = num;
+
+unlock:
+	mutex_unlock(&d->i2c_mutex);
+	return ret;
+}
+
+static int dw2104_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num)
+{
+	struct dvb_usb_device *d = i2c_get_adapdata(adap);
+	int len, i, j, ret;
+
+	if (!d)
+		return -ENODEV;
+	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+		return -EAGAIN;
+
+	for (j = 0; j < num; j++) {
+		switch (msg[j].addr) {
+		case(DW2102_RC_QUERY): {
+			u8 ibuf[2];
+			dw210x_op_rw(d->udev, 0xb8, 0, 0,
+					ibuf, 2, DW210X_READ_MSG);
+			memcpy(msg[j].buf, ibuf , 2);
+			break;
+		}
+		case(DW2102_VOLTAGE_CTRL): {
+			u8 obuf[2];
+			obuf[0] = 0x30;
+			obuf[1] = msg[j].buf[0];
+			dw210x_op_rw(d->udev, 0xb2, 0, 0,
+					obuf, 2, DW210X_WRITE_MSG);
+			break;
+		}
+		/*case 0x55: cx24116
+		case 0x6a: stv0903
+		case 0x68: ds3000, stv0903
+		case 0x60: ts2020, stv6110, stb6100 */
+		default: {
+			if (msg[j].flags == I2C_M_RD) {
+				/* read registers */
+				u8  ibuf[MAX_XFER_SIZE];
+
+				if (2 + msg[j].len > sizeof(ibuf)) {
+					warn("i2c rd: len=%d is too big!\n",
+					     msg[j].len);
+					ret = -EOPNOTSUPP;
+					goto unlock;
+				}
+
+				dw210x_op_rw(d->udev, 0xc3,
+						(msg[j].addr << 1) + 1, 0,
+						ibuf, msg[j].len + 2,
+						DW210X_READ_MSG);
+				memcpy(msg[j].buf, ibuf + 2, msg[j].len);
+				mdelay(10);
+			} else if (((msg[j].buf[0] == 0xb0) &&
+						(msg[j].addr == 0x68)) ||
+						((msg[j].buf[0] == 0xf7) &&
+						(msg[j].addr == 0x55))) {
+				/* write firmware */
+				u8 obuf[19];
+				obuf[0] = msg[j].addr << 1;
+				obuf[1] = (msg[j].len > 15 ? 17 : msg[j].len);
+				obuf[2] = msg[j].buf[0];
+				len = msg[j].len - 1;
+				i = 1;
+				do {
+					memcpy(obuf + 3, msg[j].buf + i,
+							(len > 16 ? 16 : len));
+					dw210x_op_rw(d->udev, 0xc2, 0, 0,
+						obuf, (len > 16 ? 16 : len) + 3,
+						DW210X_WRITE_MSG);
+					i += 16;
+					len -= 16;
+				} while (len > 0);
+			} else {
+				/* write registers */
+				u8 obuf[MAX_XFER_SIZE];
+
+				if (2 + msg[j].len > sizeof(obuf)) {
+					warn("i2c wr: len=%d is too big!\n",
+					     msg[j].len);
+					ret = -EOPNOTSUPP;
+					goto unlock;
+				}
+
+				obuf[0] = msg[j].addr << 1;
+				obuf[1] = msg[j].len;
+				memcpy(obuf + 2, msg[j].buf, msg[j].len);
+				dw210x_op_rw(d->udev, 0xc2, 0, 0,
+						obuf, msg[j].len + 2,
+						DW210X_WRITE_MSG);
+			}
+			break;
+		}
+		}
+
+	}
+	ret = num;
+
+unlock:
+	mutex_unlock(&d->i2c_mutex);
+	return ret;
+}
+
+static int dw3101_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[],
+								int num)
+{
+	struct dvb_usb_device *d = i2c_get_adapdata(adap);
+	int ret;
+	int i;
+
+	if (!d)
+		return -ENODEV;
+	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+		return -EAGAIN;
+
+	switch (num) {
+	case 2: {
+		/* read */
+		/* first write first register number */
+		u8 ibuf[MAX_XFER_SIZE], obuf[3];
+
+		if (2 + msg[0].len != sizeof(obuf)) {
+			warn("i2c rd: len=%d is not 1!\n",
+			     msg[0].len);
+			ret = -EOPNOTSUPP;
+			goto unlock;
+		}
+		if (2 + msg[1].len > sizeof(ibuf)) {
+			warn("i2c rd: len=%d is too big!\n",
+			     msg[1].len);
+			ret = -EOPNOTSUPP;
+			goto unlock;
+		}
+		obuf[0] = msg[0].addr << 1;
+		obuf[1] = msg[0].len;
+		obuf[2] = msg[0].buf[0];
+		dw210x_op_rw(d->udev, 0xc2, 0, 0,
+				obuf, msg[0].len + 2, DW210X_WRITE_MSG);
+		/* second read registers */
+		dw210x_op_rw(d->udev, 0xc3, 0x19 , 0,
+				ibuf, msg[1].len + 2, DW210X_READ_MSG);
+		memcpy(msg[1].buf, ibuf + 2, msg[1].len);
+
+		break;
+	}
+	case 1:
+		switch (msg[0].addr) {
+		case 0x60:
+		case 0x0c: {
+			/* write to register */
+			u8 obuf[MAX_XFER_SIZE];
+
+			if (2 + msg[0].len > sizeof(obuf)) {
+				warn("i2c wr: len=%d is too big!\n",
+				     msg[0].len);
+				ret = -EOPNOTSUPP;
+				goto unlock;
+			}
+			obuf[0] = msg[0].addr << 1;
+			obuf[1] = msg[0].len;
+			memcpy(obuf + 2, msg[0].buf, msg[0].len);
+			dw210x_op_rw(d->udev, 0xc2, 0, 0,
+					obuf, msg[0].len + 2, DW210X_WRITE_MSG);
+			break;
+		}
+		case(DW2102_RC_QUERY): {
+			u8 ibuf[2];
+			dw210x_op_rw(d->udev, 0xb8, 0, 0,
+					ibuf, 2, DW210X_READ_MSG);
+			memcpy(msg[0].buf, ibuf , 2);
+			break;
+		}
+		}
+
+		break;
+	}
+
+	for (i = 0; i < num; i++) {
+		deb_xfer("%02x:%02x: %s ", i, msg[i].addr,
+				msg[i].flags == 0 ? ">>>" : "<<<");
+		debug_dump(msg[i].buf, msg[i].len, deb_xfer);
+	}
+	ret = num;
+
+unlock:
+	mutex_unlock(&d->i2c_mutex);
+	return ret;
+}
+
+static int s6x0_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[],
+								int num)
+{
+	struct dvb_usb_device *d = i2c_get_adapdata(adap);
+	struct usb_device *udev;
+	int len, i, j, ret;
+
+	if (!d)
+		return -ENODEV;
+	udev = d->udev;
+	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+		return -EAGAIN;
+
+	for (j = 0; j < num; j++) {
+		switch (msg[j].addr) {
+		case (DW2102_RC_QUERY): {
+			u8 ibuf[5];
+			dw210x_op_rw(d->udev, 0xb8, 0, 0,
+					ibuf, 5, DW210X_READ_MSG);
+			memcpy(msg[j].buf, ibuf + 3, 2);
+			break;
+		}
+		case (DW2102_VOLTAGE_CTRL): {
+			u8 obuf[2];
+
+			obuf[0] = 1;
+			obuf[1] = msg[j].buf[1];/* off-on */
+			dw210x_op_rw(d->udev, 0x8a, 0, 0,
+					obuf, 2, DW210X_WRITE_MSG);
+			obuf[0] = 3;
+			obuf[1] = msg[j].buf[0];/* 13v-18v */
+			dw210x_op_rw(d->udev, 0x8a, 0, 0,
+					obuf, 2, DW210X_WRITE_MSG);
+			break;
+		}
+		case (DW2102_LED_CTRL): {
+			u8 obuf[2];
+
+			obuf[0] = 5;
+			obuf[1] = msg[j].buf[0];
+			dw210x_op_rw(d->udev, 0x8a, 0, 0,
+					obuf, 2, DW210X_WRITE_MSG);
+			break;
+		}
+		/*case 0x55: cx24116
+		case 0x6a: stv0903
+		case 0x68: ds3000, stv0903, rs2000
+		case 0x60: ts2020, stv6110, stb6100
+		case 0xa0: eeprom */
+		default: {
+			if (msg[j].flags == I2C_M_RD) {
+				/* read registers */
+				u8 ibuf[MAX_XFER_SIZE];
+
+				if (msg[j].len > sizeof(ibuf)) {
+					warn("i2c rd: len=%d is too big!\n",
+					     msg[j].len);
+					ret = -EOPNOTSUPP;
+					goto unlock;
+				}
+
+				dw210x_op_rw(d->udev, 0x91, 0, 0,
+						ibuf, msg[j].len,
+						DW210X_READ_MSG);
+				memcpy(msg[j].buf, ibuf, msg[j].len);
+				break;
+			} else if ((msg[j].buf[0] == 0xb0) &&
+						(msg[j].addr == 0x68)) {
+				/* write firmware */
+				u8 obuf[19];
+				obuf[0] = (msg[j].len > 16 ?
+						18 : msg[j].len + 1);
+				obuf[1] = msg[j].addr << 1;
+				obuf[2] = msg[j].buf[0];
+				len = msg[j].len - 1;
+				i = 1;
+				do {
+					memcpy(obuf + 3, msg[j].buf + i,
+							(len > 16 ? 16 : len));
+					dw210x_op_rw(d->udev, 0x80, 0, 0,
+						obuf, (len > 16 ? 16 : len) + 3,
+						DW210X_WRITE_MSG);
+					i += 16;
+					len -= 16;
+				} while (len > 0);
+			} else if (j < (num - 1)) {
+				/* write register addr before read */
+				u8 obuf[MAX_XFER_SIZE];
+
+				if (2 + msg[j].len > sizeof(obuf)) {
+					warn("i2c wr: len=%d is too big!\n",
+					     msg[j].len);
+					ret = -EOPNOTSUPP;
+					goto unlock;
+				}
+
+				obuf[0] = msg[j + 1].len;
+				obuf[1] = (msg[j].addr << 1);
+				memcpy(obuf + 2, msg[j].buf, msg[j].len);
+				dw210x_op_rw(d->udev,
+						le16_to_cpu(udev->descriptor.idProduct) ==
+						0x7500 ? 0x92 : 0x90, 0, 0,
+						obuf, msg[j].len + 2,
+						DW210X_WRITE_MSG);
+				break;
+			} else {
+				/* write registers */
+				u8 obuf[MAX_XFER_SIZE];
+
+				if (2 + msg[j].len > sizeof(obuf)) {
+					warn("i2c wr: len=%d is too big!\n",
+					     msg[j].len);
+					ret = -EOPNOTSUPP;
+					goto unlock;
+				}
+				obuf[0] = msg[j].len + 1;
+				obuf[1] = (msg[j].addr << 1);
+				memcpy(obuf + 2, msg[j].buf, msg[j].len);
+				dw210x_op_rw(d->udev, 0x80, 0, 0,
+						obuf, msg[j].len + 2,
+						DW210X_WRITE_MSG);
+				break;
+			}
+			break;
+		}
+		}
+	}
+	ret = num;
+
+unlock:
+	mutex_unlock(&d->i2c_mutex);
+	return ret;
+}
+
+static int su3000_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[],
+								int num)
+{
+	struct dvb_usb_device *d = i2c_get_adapdata(adap);
+	struct dw2102_state *state;
+
+	if (!d)
+		return -ENODEV;
+
+	state = d->priv;
+
+	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+		return -EAGAIN;
+	if (mutex_lock_interruptible(&d->data_mutex) < 0) {
+		mutex_unlock(&d->i2c_mutex);
+		return -EAGAIN;
+	}
+
+	switch (num) {
+	case 1:
+		switch (msg[0].addr) {
+		case SU3000_STREAM_CTRL:
+			state->data[0] = msg[0].buf[0] + 0x36;
+			state->data[1] = 3;
+			state->data[2] = 0;
+			if (dvb_usb_generic_rw(d, state->data, 3,
+					state->data, 0, 0) < 0)
+				err("i2c transfer failed.");
+			break;
+		case DW2102_RC_QUERY:
+			state->data[0] = 0x10;
+			if (dvb_usb_generic_rw(d, state->data, 1,
+					state->data, 2, 0) < 0)
+				err("i2c transfer failed.");
+			msg[0].buf[1] = state->data[0];
+			msg[0].buf[0] = state->data[1];
+			break;
+		default:
+			if (3 + msg[0].len > sizeof(state->data)) {
+				warn("i2c wr: len=%d is too big!\n",
+				     msg[0].len);
+				num = -EOPNOTSUPP;
+				break;
+			}
+
+			/* always i2c write*/
+			state->data[0] = 0x08;
+			state->data[1] = msg[0].addr;
+			state->data[2] = msg[0].len;
+
+			memcpy(&state->data[3], msg[0].buf, msg[0].len);
+
+			if (dvb_usb_generic_rw(d, state->data, msg[0].len + 3,
+						state->data, 1, 0) < 0)
+				err("i2c transfer failed.");
+
+		}
+		break;
+	case 2:
+		/* always i2c read */
+		if (4 + msg[0].len > sizeof(state->data)) {
+			warn("i2c rd: len=%d is too big!\n",
+			     msg[0].len);
+			num = -EOPNOTSUPP;
+			break;
+		}
+		if (1 + msg[1].len > sizeof(state->data)) {
+			warn("i2c rd: len=%d is too big!\n",
+			     msg[1].len);
+			num = -EOPNOTSUPP;
+			break;
+		}
+
+		state->data[0] = 0x09;
+		state->data[1] = msg[0].len;
+		state->data[2] = msg[1].len;
+		state->data[3] = msg[0].addr;
+		memcpy(&state->data[4], msg[0].buf, msg[0].len);
+
+		if (dvb_usb_generic_rw(d, state->data, msg[0].len + 4,
+					state->data, msg[1].len + 1, 0) < 0)
+			err("i2c transfer failed.");
+
+		memcpy(msg[1].buf, &state->data[1], msg[1].len);
+		break;
+	default:
+		warn("more than 2 i2c messages at a time is not handled yet.");
+		break;
+	}
+	mutex_unlock(&d->data_mutex);
+	mutex_unlock(&d->i2c_mutex);
+	return num;
+}
+
+static u32 dw210x_i2c_func(struct i2c_adapter *adapter)
+{
+	return I2C_FUNC_I2C;
+}
+
+static struct i2c_algorithm dw2102_i2c_algo = {
+	.master_xfer = dw2102_i2c_transfer,
+	.functionality = dw210x_i2c_func,
+};
+
+static struct i2c_algorithm dw2102_serit_i2c_algo = {
+	.master_xfer = dw2102_serit_i2c_transfer,
+	.functionality = dw210x_i2c_func,
+};
+
+static struct i2c_algorithm dw2102_earda_i2c_algo = {
+	.master_xfer = dw2102_earda_i2c_transfer,
+	.functionality = dw210x_i2c_func,
+};
+
+static struct i2c_algorithm dw2104_i2c_algo = {
+	.master_xfer = dw2104_i2c_transfer,
+	.functionality = dw210x_i2c_func,
+};
+
+static struct i2c_algorithm dw3101_i2c_algo = {
+	.master_xfer = dw3101_i2c_transfer,
+	.functionality = dw210x_i2c_func,
+};
+
+static struct i2c_algorithm s6x0_i2c_algo = {
+	.master_xfer = s6x0_i2c_transfer,
+	.functionality = dw210x_i2c_func,
+};
+
+static struct i2c_algorithm su3000_i2c_algo = {
+	.master_xfer = su3000_i2c_transfer,
+	.functionality = dw210x_i2c_func,
+};
+
+static int dw210x_read_mac_address(struct dvb_usb_device *d, u8 mac[6])
+{
+	int i;
+	u8 ibuf[] = {0, 0};
+	u8 eeprom[256], eepromline[16];
+
+	for (i = 0; i < 256; i++) {
+		if (dw210x_op_rw(d->udev, 0xb6, 0xa0 , i, ibuf, 2, DW210X_READ_MSG) < 0) {
+			err("read eeprom failed.");
+			return -1;
+		} else {
+			eepromline[i%16] = ibuf[0];
+			eeprom[i] = ibuf[0];
+		}
+		if ((i % 16) == 15) {
+			deb_xfer("%02x: ", i - 15);
+			debug_dump(eepromline, 16, deb_xfer);
+		}
+	}
+
+	memcpy(mac, eeprom + 8, 6);
+	return 0;
+};
+
+static int s6x0_read_mac_address(struct dvb_usb_device *d, u8 mac[6])
+{
+	int i, ret;
+	u8 ibuf[] = { 0 }, obuf[] = { 0 };
+	u8 eeprom[256], eepromline[16];
+	struct i2c_msg msg[] = {
+		{
+			.addr = 0xa0 >> 1,
+			.flags = 0,
+			.buf = obuf,
+			.len = 1,
+		}, {
+			.addr = 0xa0 >> 1,
+			.flags = I2C_M_RD,
+			.buf = ibuf,
+			.len = 1,
+		}
+	};
+
+	for (i = 0; i < 256; i++) {
+		obuf[0] = i;
+		ret = s6x0_i2c_transfer(&d->i2c_adap, msg, 2);
+		if (ret != 2) {
+			err("read eeprom failed.");
+			return -1;
+		} else {
+			eepromline[i % 16] = ibuf[0];
+			eeprom[i] = ibuf[0];
+		}
+
+		if ((i % 16) == 15) {
+			deb_xfer("%02x: ", i - 15);
+			debug_dump(eepromline, 16, deb_xfer);
+		}
+	}
+
+	memcpy(mac, eeprom + 16, 6);
+	return 0;
+};
+
+static int su3000_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
+{
+	static u8 command_start[] = {0x00};
+	static u8 command_stop[] = {0x01};
+	struct i2c_msg msg = {
+		.addr = SU3000_STREAM_CTRL,
+		.flags = 0,
+		.buf = onoff ? command_start : command_stop,
+		.len = 1
+	};
+
+	i2c_transfer(&adap->dev->i2c_adap, &msg, 1);
+
+	return 0;
+}
+
+static int su3000_power_ctrl(struct dvb_usb_device *d, int i)
+{
+	struct dw2102_state *state = (struct dw2102_state *)d->priv;
+	int ret = 0;
+
+	info("%s: %d, initialized %d", __func__, i, state->initialized);
+
+	if (i && !state->initialized) {
+		mutex_lock(&d->data_mutex);
+
+		state->data[0] = 0xde;
+		state->data[1] = 0;
+
+		state->initialized = 1;
+		/* reset board */
+		ret = dvb_usb_generic_rw(d, state->data, 2, NULL, 0, 0);
+		mutex_unlock(&d->data_mutex);
+	}
+
+	return ret;
+}
+
+static int su3000_read_mac_address(struct dvb_usb_device *d, u8 mac[6])
+{
+	int i;
+	u8 obuf[] = { 0x1f, 0xf0 };
+	u8 ibuf[] = { 0 };
+	struct i2c_msg msg[] = {
+		{
+			.addr = 0x51,
+			.flags = 0,
+			.buf = obuf,
+			.len = 2,
+		}, {
+			.addr = 0x51,
+			.flags = I2C_M_RD,
+			.buf = ibuf,
+			.len = 1,
+
+		}
+	};
+
+	for (i = 0; i < 6; i++) {
+		obuf[1] = 0xf0 + i;
+		if (i2c_transfer(&d->i2c_adap, msg, 2) != 2)
+			return -1;
+		else
+			mac[i] = ibuf[0];
+	}
+
+	return 0;
+}
+
+static int su3000_identify_state(struct usb_device *udev,
+				 const struct dvb_usb_device_properties *props,
+				 const struct dvb_usb_device_description **desc,
+				 int *cold)
+{
+	info("%s", __func__);
+
+	*cold = 0;
+	return 0;
+}
+
+static int dw210x_set_voltage(struct dvb_frontend *fe,
+			      enum fe_sec_voltage voltage)
+{
+	static u8 command_13v[] = {0x00, 0x01};
+	static u8 command_18v[] = {0x01, 0x01};
+	static u8 command_off[] = {0x00, 0x00};
+	struct i2c_msg msg = {
+		.addr = DW2102_VOLTAGE_CTRL,
+		.flags = 0,
+		.buf = command_off,
+		.len = 2,
+	};
+
+	struct dvb_usb_adapter *udev_adap =
+		(struct dvb_usb_adapter *)(fe->dvb->priv);
+	if (voltage == SEC_VOLTAGE_18)
+		msg.buf = command_18v;
+	else if (voltage == SEC_VOLTAGE_13)
+		msg.buf = command_13v;
+
+	i2c_transfer(&udev_adap->dev->i2c_adap, &msg, 1);
+
+	return 0;
+}
+
+static int s660_set_voltage(struct dvb_frontend *fe,
+			    enum fe_sec_voltage voltage)
+{
+	struct dvb_usb_adapter *d =
+		(struct dvb_usb_adapter *)(fe->dvb->priv);
+	struct dw2102_state *st = (struct dw2102_state *)d->dev->priv;
+
+	dw210x_set_voltage(fe, voltage);
+	if (st->old_set_voltage)
+		st->old_set_voltage(fe, voltage);
+
+	return 0;
+}
+
+static void dw210x_led_ctrl(struct dvb_frontend *fe, int offon)
+{
+	static u8 led_off[] = { 0 };
+	static u8 led_on[] = { 1 };
+	struct i2c_msg msg = {
+		.addr = DW2102_LED_CTRL,
+		.flags = 0,
+		.buf = led_off,
+		.len = 1
+	};
+	struct dvb_usb_adapter *udev_adap =
+		(struct dvb_usb_adapter *)(fe->dvb->priv);
+
+	if (offon)
+		msg.buf = led_on;
+	i2c_transfer(&udev_adap->dev->i2c_adap, &msg, 1);
+}
+
+static int tt_s2_4600_read_status(struct dvb_frontend *fe,
+				  enum fe_status *status)
+{
+	struct dvb_usb_adapter *d =
+		(struct dvb_usb_adapter *)(fe->dvb->priv);
+	struct dw2102_state *st = (struct dw2102_state *)d->dev->priv;
+	int ret;
+
+	ret = st->fe_read_status(fe, status);
+
+	/* resync slave fifo when signal change from unlock to lock */
+	if ((*status & FE_HAS_LOCK) && (!st->last_lock))
+		su3000_streaming_ctrl(d, 1);
+
+	st->last_lock = (*status & FE_HAS_LOCK) ? 1 : 0;
+	return ret;
+}
+
+static struct stv0299_config sharp_z0194a_config = {
+	.demod_address = 0x68,
+	.inittab = sharp_z0194a_inittab,
+	.mclk = 88000000UL,
+	.invert = 1,
+	.skip_reinit = 0,
+	.lock_output = STV0299_LOCKOUTPUT_1,
+	.volt13_op0_op1 = STV0299_VOLT13_OP1,
+	.min_delay_ms = 100,
+	.set_symbol_rate = sharp_z0194a_set_symbol_rate,
+};
+
+static struct cx24116_config dw2104_config = {
+	.demod_address = 0x55,
+	.mpg_clk_pos_pol = 0x01,
+};
+
+static struct si21xx_config serit_sp1511lhb_config = {
+	.demod_address = 0x68,
+	.min_delay_ms = 100,
+
+};
+
+static struct tda10023_config dw3101_tda10023_config = {
+	.demod_address = 0x0c,
+	.invert = 1,
+};
+
+static struct mt312_config zl313_config = {
+	.demod_address = 0x0e,
+};
+
+static struct ds3000_config dw2104_ds3000_config = {
+	.demod_address = 0x68,
+};
+
+static struct ts2020_config dw2104_ts2020_config = {
+	.tuner_address = 0x60,
+	.clk_out_div = 1,
+	.frequency_div = 1060000,
+};
+
+static struct ds3000_config s660_ds3000_config = {
+	.demod_address = 0x68,
+	.ci_mode = 1,
+	.set_lock_led = dw210x_led_ctrl,
+};
+
+static struct ts2020_config s660_ts2020_config = {
+	.tuner_address = 0x60,
+	.clk_out_div = 1,
+	.frequency_div = 1146000,
+};
+
+static struct stv0900_config dw2104a_stv0900_config = {
+	.demod_address = 0x6a,
+	.demod_mode = 0,
+	.xtal = 27000000,
+	.clkmode = 3,/* 0-CLKI, 2-XTALI, else AUTO */
+	.diseqc_mode = 2,/* 2/3 PWM */
+	.tun1_maddress = 0,/* 0x60 */
+	.tun1_adc = 0,/* 2 Vpp */
+	.path1_mode = 3,
+};
+
+static struct stb6100_config dw2104a_stb6100_config = {
+	.tuner_address = 0x60,
+	.refclock = 27000000,
+};
+
+static struct stv0900_config dw2104_stv0900_config = {
+	.demod_address = 0x68,
+	.demod_mode = 0,
+	.xtal = 8000000,
+	.clkmode = 3,
+	.diseqc_mode = 2,
+	.tun1_maddress = 0,
+	.tun1_adc = 1,/* 1 Vpp */
+	.path1_mode = 3,
+};
+
+static struct stv6110_config dw2104_stv6110_config = {
+	.i2c_address = 0x60,
+	.mclk = 16000000,
+	.clk_div = 1,
+};
+
+static struct stv0900_config prof_7500_stv0900_config = {
+	.demod_address = 0x6a,
+	.demod_mode = 0,
+	.xtal = 27000000,
+	.clkmode = 3,/* 0-CLKI, 2-XTALI, else AUTO */
+	.diseqc_mode = 2,/* 2/3 PWM */
+	.tun1_maddress = 0,/* 0x60 */
+	.tun1_adc = 0,/* 2 Vpp */
+	.path1_mode = 3,
+	.tun1_type = 3,
+	.set_lock_led = dw210x_led_ctrl,
+};
+
+static struct ds3000_config su3000_ds3000_config = {
+	.demod_address = 0x68,
+	.ci_mode = 1,
+	.set_lock_led = dw210x_led_ctrl,
+};
+
+static struct cxd2820r_config cxd2820r_config = {
+	.i2c_address = 0x6c, /* (0xd8 >> 1) */
+	.ts_mode = 0x38,
+	.ts_clock_inv = 1,
+};
+
+static struct tda18271_config tda18271_config = {
+	.output_opt = TDA18271_OUTPUT_LT_OFF,
+	.gate = TDA18271_GATE_DIGITAL,
+};
+
+static u8 m88rs2000_inittab[] = {
+	DEMOD_WRITE, 0x9a, 0x30,
+	DEMOD_WRITE, 0x00, 0x01,
+	WRITE_DELAY, 0x19, 0x00,
+	DEMOD_WRITE, 0x00, 0x00,
+	DEMOD_WRITE, 0x9a, 0xb0,
+	DEMOD_WRITE, 0x81, 0xc1,
+	DEMOD_WRITE, 0x81, 0x81,
+	DEMOD_WRITE, 0x86, 0xc6,
+	DEMOD_WRITE, 0x9a, 0x30,
+	DEMOD_WRITE, 0xf0, 0x80,
+	DEMOD_WRITE, 0xf1, 0xbf,
+	DEMOD_WRITE, 0xb0, 0x45,
+	DEMOD_WRITE, 0xb2, 0x01,
+	DEMOD_WRITE, 0x9a, 0xb0,
+	0xff, 0xaa, 0xff
+};
+
+static struct m88rs2000_config s421_m88rs2000_config = {
+	.demod_addr = 0x68,
+	.inittab = m88rs2000_inittab,
+};
+
+static int dw2104_frontend_attach(struct dvb_usb_adapter *d)
+{
+	struct dvb_tuner_ops *tuner_ops = NULL;
+
+	if (demod_probe & 4) {
+		d->fe_adap[0].fe = dvb_attach(stv0900_attach, &dw2104a_stv0900_config,
+				&d->dev->i2c_adap, 0);
+		if (d->fe_adap[0].fe != NULL) {
+			if (dvb_attach(stb6100_attach, d->fe_adap[0].fe,
+					&dw2104a_stb6100_config,
+					&d->dev->i2c_adap)) {
+				tuner_ops = &d->fe_adap[0].fe->ops.tuner_ops;
+				tuner_ops->set_frequency = stb6100_set_freq;
+				tuner_ops->get_frequency = stb6100_get_freq;
+				tuner_ops->set_bandwidth = stb6100_set_bandw;
+				tuner_ops->get_bandwidth = stb6100_get_bandw;
+				d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
+				info("Attached STV0900+STB6100!");
+				return 0;
+			}
+		}
+	}
+
+	if (demod_probe & 2) {
+		d->fe_adap[0].fe = dvb_attach(stv0900_attach, &dw2104_stv0900_config,
+				&d->dev->i2c_adap, 0);
+		if (d->fe_adap[0].fe != NULL) {
+			if (dvb_attach(stv6110_attach, d->fe_adap[0].fe,
+					&dw2104_stv6110_config,
+					&d->dev->i2c_adap)) {
+				d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
+				info("Attached STV0900+STV6110A!");
+				return 0;
+			}
+		}
+	}
+
+	if (demod_probe & 1) {
+		d->fe_adap[0].fe = dvb_attach(cx24116_attach, &dw2104_config,
+				&d->dev->i2c_adap);
+		if (d->fe_adap[0].fe != NULL) {
+			d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
+			info("Attached cx24116!");
+			return 0;
+		}
+	}
+
+	d->fe_adap[0].fe = dvb_attach(ds3000_attach, &dw2104_ds3000_config,
+			&d->dev->i2c_adap);
+	if (d->fe_adap[0].fe != NULL) {
+		dvb_attach(ts2020_attach, d->fe_adap[0].fe,
+			&dw2104_ts2020_config, &d->dev->i2c_adap);
+		d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
+		info("Attached DS3000!");
+		return 0;
+	}
+
+	return -EIO;
+}
+
+static struct dvb_usb_device_properties dw2102_properties;
+static struct dvb_usb_device_properties dw2104_properties;
+static struct dvb_usb_device_properties s6x0_properties;
+
+static int dw2102_frontend_attach(struct dvb_usb_adapter *d)
+{
+	if (dw2102_properties.i2c_algo == &dw2102_serit_i2c_algo) {
+		/*dw2102_properties.adapter->tuner_attach = NULL;*/
+		d->fe_adap[0].fe = dvb_attach(si21xx_attach, &serit_sp1511lhb_config,
+					&d->dev->i2c_adap);
+		if (d->fe_adap[0].fe != NULL) {
+			d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
+			info("Attached si21xx!");
+			return 0;
+		}
+	}
+
+	if (dw2102_properties.i2c_algo == &dw2102_earda_i2c_algo) {
+		d->fe_adap[0].fe = dvb_attach(stv0288_attach, &earda_config,
+					&d->dev->i2c_adap);
+		if (d->fe_adap[0].fe != NULL) {
+			if (dvb_attach(stb6000_attach, d->fe_adap[0].fe, 0x61,
+					&d->dev->i2c_adap)) {
+				d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
+				info("Attached stv0288!");
+				return 0;
+			}
+		}
+	}
+
+	if (dw2102_properties.i2c_algo == &dw2102_i2c_algo) {
+		/*dw2102_properties.adapter->tuner_attach = dw2102_tuner_attach;*/
+		d->fe_adap[0].fe = dvb_attach(stv0299_attach, &sharp_z0194a_config,
+					&d->dev->i2c_adap);
+		if (d->fe_adap[0].fe != NULL) {
+			d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
+			info("Attached stv0299!");
+			return 0;
+		}
+	}
+	return -EIO;
+}
+
+static int dw3101_frontend_attach(struct dvb_usb_adapter *d)
+{
+	d->fe_adap[0].fe = dvb_attach(tda10023_attach, &dw3101_tda10023_config,
+				&d->dev->i2c_adap, 0x48);
+	if (d->fe_adap[0].fe != NULL) {
+		info("Attached tda10023!");
+		return 0;
+	}
+	return -EIO;
+}
+
+static int zl100313_frontend_attach(struct dvb_usb_adapter *d)
+{
+	d->fe_adap[0].fe = dvb_attach(mt312_attach, &zl313_config,
+			&d->dev->i2c_adap);
+	if (d->fe_adap[0].fe != NULL) {
+		if (dvb_attach(zl10039_attach, d->fe_adap[0].fe, 0x60,
+				&d->dev->i2c_adap)) {
+			d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
+			info("Attached zl100313+zl10039!");
+			return 0;
+		}
+	}
+
+	return -EIO;
+}
+
+static int stv0288_frontend_attach(struct dvb_usb_adapter *d)
+{
+	u8 obuf[] = {7, 1};
+
+	d->fe_adap[0].fe = dvb_attach(stv0288_attach, &earda_config,
+			&d->dev->i2c_adap);
+
+	if (d->fe_adap[0].fe == NULL)
+		return -EIO;
+
+	if (NULL == dvb_attach(stb6000_attach, d->fe_adap[0].fe, 0x61, &d->dev->i2c_adap))
+		return -EIO;
+
+	d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
+
+	dw210x_op_rw(d->dev->udev, 0x8a, 0, 0, obuf, 2, DW210X_WRITE_MSG);
+
+	info("Attached stv0288+stb6000!");
+
+	return 0;
+
+}
+
+static int ds3000_frontend_attach(struct dvb_usb_adapter *d)
+{
+	struct dw2102_state *st = d->dev->priv;
+	u8 obuf[] = {7, 1};
+
+	d->fe_adap[0].fe = dvb_attach(ds3000_attach, &s660_ds3000_config,
+			&d->dev->i2c_adap);
+
+	if (d->fe_adap[0].fe == NULL)
+		return -EIO;
+
+	dvb_attach(ts2020_attach, d->fe_adap[0].fe, &s660_ts2020_config,
+		&d->dev->i2c_adap);
+
+	st->old_set_voltage = d->fe_adap[0].fe->ops.set_voltage;
+	d->fe_adap[0].fe->ops.set_voltage = s660_set_voltage;
+
+	dw210x_op_rw(d->dev->udev, 0x8a, 0, 0, obuf, 2, DW210X_WRITE_MSG);
+
+	info("Attached ds3000+ts2020!");
+
+	return 0;
+}
+
+static int prof_7500_frontend_attach(struct dvb_usb_adapter *d)
+{
+	u8 obuf[] = {7, 1};
+
+	d->fe_adap[0].fe = dvb_attach(stv0900_attach, &prof_7500_stv0900_config,
+					&d->dev->i2c_adap, 0);
+	if (d->fe_adap[0].fe == NULL)
+		return -EIO;
+
+	d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
+
+	dw210x_op_rw(d->dev->udev, 0x8a, 0, 0, obuf, 2, DW210X_WRITE_MSG);
+
+	info("Attached STV0900+STB6100A!");
+
+	return 0;
+}
+
+static int su3000_frontend_attach(struct dvb_usb_adapter *adap)
+{
+	struct dvb_usb_device *d = adap->dev;
+	struct dw2102_state *state = d->priv;
+
+	mutex_lock(&d->data_mutex);
+
+	state->data[0] = 0xe;
+	state->data[1] = 0x80;
+	state->data[2] = 0;
+
+	if (dvb_usb_generic_rw(d, state->data, 3, state->data, 1, 0) < 0)
+		err("command 0x0e transfer failed.");
+
+	state->data[0] = 0xe;
+	state->data[1] = 0x02;
+	state->data[2] = 1;
+
+	if (dvb_usb_generic_rw(d, state->data, 3, state->data, 1, 0) < 0)
+		err("command 0x0e transfer failed.");
+	msleep(300);
+
+	state->data[0] = 0xe;
+	state->data[1] = 0x83;
+	state->data[2] = 0;
+
+	if (dvb_usb_generic_rw(d, state->data, 3, state->data, 1, 0) < 0)
+		err("command 0x0e transfer failed.");
+
+	state->data[0] = 0xe;
+	state->data[1] = 0x83;
+	state->data[2] = 1;
+
+	if (dvb_usb_generic_rw(d, state->data, 3, state->data, 1, 0) < 0)
+		err("command 0x0e transfer failed.");
+
+	state->data[0] = 0x51;
+
+	if (dvb_usb_generic_rw(d, state->data, 1, state->data, 1, 0) < 0)
+		err("command 0x51 transfer failed.");
+
+	mutex_unlock(&d->data_mutex);
+
+	adap->fe_adap[0].fe = dvb_attach(ds3000_attach, &su3000_ds3000_config,
+					&d->i2c_adap);
+	if (adap->fe_adap[0].fe == NULL)
+		return -EIO;
+
+	if (dvb_attach(ts2020_attach, adap->fe_adap[0].fe,
+				&dw2104_ts2020_config,
+				&d->i2c_adap)) {
+		info("Attached DS3000/TS2020!");
+		return 0;
+	}
+
+	info("Failed to attach DS3000/TS2020!");
+	return -EIO;
+}
+
+static int t220_frontend_attach(struct dvb_usb_adapter *adap)
+{
+	struct dvb_usb_device *d = adap->dev;
+	struct dw2102_state *state = d->priv;
+
+	mutex_lock(&d->data_mutex);
+
+	state->data[0] = 0xe;
+	state->data[1] = 0x87;
+	state->data[2] = 0x0;
+
+	if (dvb_usb_generic_rw(d, state->data, 3, state->data, 1, 0) < 0)
+		err("command 0x0e transfer failed.");
+
+	state->data[0] = 0xe;
+	state->data[1] = 0x86;
+	state->data[2] = 1;
+
+	if (dvb_usb_generic_rw(d, state->data, 3, state->data, 1, 0) < 0)
+		err("command 0x0e transfer failed.");
+
+	state->data[0] = 0xe;
+	state->data[1] = 0x80;
+	state->data[2] = 0;
+
+	if (dvb_usb_generic_rw(d, state->data, 3, state->data, 1, 0) < 0)
+		err("command 0x0e transfer failed.");
+
+	msleep(50);
+
+	state->data[0] = 0xe;
+	state->data[1] = 0x80;
+	state->data[2] = 1;
+
+	if (dvb_usb_generic_rw(d, state->data, 3, state->data, 1, 0) < 0)
+		err("command 0x0e transfer failed.");
+
+	state->data[0] = 0x51;
+
+	if (dvb_usb_generic_rw(d, state->data, 1, state->data, 1, 0) < 0)
+		err("command 0x51 transfer failed.");
+
+	mutex_unlock(&d->data_mutex);
+
+	adap->fe_adap[0].fe = dvb_attach(cxd2820r_attach, &cxd2820r_config,
+					&d->i2c_adap, NULL);
+	if (adap->fe_adap[0].fe != NULL) {
+		if (dvb_attach(tda18271_attach, adap->fe_adap[0].fe, 0x60,
+					&d->i2c_adap, &tda18271_config)) {
+			info("Attached TDA18271HD/CXD2820R!");
+			return 0;
+		}
+	}
+
+	info("Failed to attach TDA18271HD/CXD2820R!");
+	return -EIO;
+}
+
+static int m88rs2000_frontend_attach(struct dvb_usb_adapter *adap)
+{
+	struct dvb_usb_device *d = adap->dev;
+	struct dw2102_state *state = d->priv;
+
+	mutex_lock(&d->data_mutex);
+
+	state->data[0] = 0x51;
+
+	if (dvb_usb_generic_rw(d, state->data, 1, state->data, 1, 0) < 0)
+		err("command 0x51 transfer failed.");
+
+	mutex_unlock(&d->data_mutex);
+
+	adap->fe_adap[0].fe = dvb_attach(m88rs2000_attach,
+					&s421_m88rs2000_config,
+					&d->i2c_adap);
+
+	if (adap->fe_adap[0].fe == NULL)
+		return -EIO;
+
+	if (dvb_attach(ts2020_attach, adap->fe_adap[0].fe,
+				&dw2104_ts2020_config,
+				&d->i2c_adap)) {
+		info("Attached RS2000/TS2020!");
+		return 0;
+	}
+
+	info("Failed to attach RS2000/TS2020!");
+	return -EIO;
+}
+
+static int tt_s2_4600_frontend_attach_probe_demod(struct dvb_usb_device *d,
+						  const int probe_addr)
+{
+	struct dw2102_state *state = d->priv;
+
+	state->data[0] = 0x9;
+	state->data[1] = 0x1;
+	state->data[2] = 0x1;
+	state->data[3] = probe_addr;
+	state->data[4] = 0x0;
+
+	if (dvb_usb_generic_rw(d, state->data, 5, state->data, 2, 0) < 0) {
+		err("i2c probe for address 0x%x failed.", probe_addr);
+		return 0;
+	}
+
+	if (state->data[0] != 8) /* fail(7) or error, no device at address */
+		return 0;
+
+	/* probing successful */
+	return 1;
+}
+
+static int tt_s2_4600_frontend_attach(struct dvb_usb_adapter *adap)
+{
+	struct dvb_usb_device *d = adap->dev;
+	struct dw2102_state *state = d->priv;
+	struct i2c_adapter *i2c_adapter;
+	struct i2c_client *client;
+	struct i2c_board_info board_info;
+	struct m88ds3103_platform_data m88ds3103_pdata = {};
+	struct ts2020_config ts2020_config = {};
+	int demod_addr;
+
+	mutex_lock(&d->data_mutex);
+
+	state->data[0] = 0xe;
+	state->data[1] = 0x80;
+	state->data[2] = 0x0;
+
+	if (dvb_usb_generic_rw(d, state->data, 3, state->data, 1, 0) < 0)
+		err("command 0x0e transfer failed.");
+
+	state->data[0] = 0xe;
+	state->data[1] = 0x02;
+	state->data[2] = 1;
+
+	if (dvb_usb_generic_rw(d, state->data, 3, state->data, 1, 0) < 0)
+		err("command 0x0e transfer failed.");
+	msleep(300);
+
+	state->data[0] = 0xe;
+	state->data[1] = 0x83;
+	state->data[2] = 0;
+
+	if (dvb_usb_generic_rw(d, state->data, 3, state->data, 1, 0) < 0)
+		err("command 0x0e transfer failed.");
+
+	state->data[0] = 0xe;
+	state->data[1] = 0x83;
+	state->data[2] = 1;
+
+	if (dvb_usb_generic_rw(d, state->data, 3, state->data, 1, 0) < 0)
+		err("command 0x0e transfer failed.");
+
+	state->data[0] = 0x51;
+
+	if (dvb_usb_generic_rw(d, state->data, 1, state->data, 1, 0) < 0)
+		err("command 0x51 transfer failed.");
+
+	/* probe for demodulator i2c address */
+	demod_addr = -1;
+	if (tt_s2_4600_frontend_attach_probe_demod(d, 0x68))
+		demod_addr = 0x68;
+	else if (tt_s2_4600_frontend_attach_probe_demod(d, 0x69))
+		demod_addr = 0x69;
+	else if (tt_s2_4600_frontend_attach_probe_demod(d, 0x6a))
+		demod_addr = 0x6a;
+
+	mutex_unlock(&d->data_mutex);
+
+	if (demod_addr < 0) {
+		err("probing for demodulator failed. Is the external power switched on?");
+		return -ENODEV;
+	}
+
+	/* attach demod */
+	m88ds3103_pdata.clk = 27000000;
+	m88ds3103_pdata.i2c_wr_max = 33;
+	m88ds3103_pdata.ts_mode = M88DS3103_TS_CI;
+	m88ds3103_pdata.ts_clk = 16000;
+	m88ds3103_pdata.ts_clk_pol = 0;
+	m88ds3103_pdata.spec_inv = 0;
+	m88ds3103_pdata.agc = 0x99;
+	m88ds3103_pdata.agc_inv = 0;
+	m88ds3103_pdata.clk_out = M88DS3103_CLOCK_OUT_ENABLED;
+	m88ds3103_pdata.envelope_mode = 0;
+	m88ds3103_pdata.lnb_hv_pol = 1;
+	m88ds3103_pdata.lnb_en_pol = 0;
+	memset(&board_info, 0, sizeof(board_info));
+	if (demod_addr == 0x6a)
+		strscpy(board_info.type, "m88ds3103b", I2C_NAME_SIZE);
+	else
+		strscpy(board_info.type, "m88ds3103", I2C_NAME_SIZE);
+	board_info.addr = demod_addr;
+	board_info.platform_data = &m88ds3103_pdata;
+	request_module("m88ds3103");
+	client = i2c_new_client_device(&d->i2c_adap, &board_info);
+	if (!i2c_client_has_driver(client))
+		return -ENODEV;
+	if (!try_module_get(client->dev.driver->owner)) {
+		i2c_unregister_device(client);
+		return -ENODEV;
+	}
+	adap->fe_adap[0].fe = m88ds3103_pdata.get_dvb_frontend(client);
+	i2c_adapter = m88ds3103_pdata.get_i2c_adapter(client);
+
+	state->i2c_client_demod = client;
+
+	/* attach tuner */
+	ts2020_config.fe = adap->fe_adap[0].fe;
+	memset(&board_info, 0, sizeof(board_info));
+	strscpy(board_info.type, "ts2022", I2C_NAME_SIZE);
+	board_info.addr = 0x60;
+	board_info.platform_data = &ts2020_config;
+	request_module("ts2020");
+	client = i2c_new_client_device(i2c_adapter, &board_info);
+
+	if (!i2c_client_has_driver(client)) {
+		dvb_frontend_detach(adap->fe_adap[0].fe);
+		return -ENODEV;
+	}
+
+	if (!try_module_get(client->dev.driver->owner)) {
+		i2c_unregister_device(client);
+		dvb_frontend_detach(adap->fe_adap[0].fe);
+		return -ENODEV;
+	}
+
+	/* delegate signal strength measurement to tuner */
+	adap->fe_adap[0].fe->ops.read_signal_strength =
+			adap->fe_adap[0].fe->ops.tuner_ops.get_rf_strength;
+
+	state->i2c_client_tuner = client;
+
+	/* hook fe: need to resync the slave fifo when signal locks */
+	state->fe_read_status = adap->fe_adap[0].fe->ops.read_status;
+	adap->fe_adap[0].fe->ops.read_status = tt_s2_4600_read_status;
+
+	state->last_lock = 0;
+
+	return 0;
+}
+
+static int dw2102_tuner_attach(struct dvb_usb_adapter *adap)
+{
+	dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x60,
+		&adap->dev->i2c_adap, DVB_PLL_OPERA1);
+	return 0;
+}
+
+static int dw3101_tuner_attach(struct dvb_usb_adapter *adap)
+{
+	dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x60,
+		&adap->dev->i2c_adap, DVB_PLL_TUA6034);
+
+	return 0;
+}
+
+static int dw2102_rc_query(struct dvb_usb_device *d)
+{
+	u8 key[2];
+	struct i2c_msg msg = {
+		.addr = DW2102_RC_QUERY,
+		.flags = I2C_M_RD,
+		.buf = key,
+		.len = 2
+	};
+
+	if (d->props.i2c_algo->master_xfer(&d->i2c_adap, &msg, 1) == 1) {
+		if (msg.buf[0] != 0xff) {
+			deb_rc("%s: rc code: %x, %x\n",
+					__func__, key[0], key[1]);
+			rc_keydown(d->rc_dev, RC_PROTO_UNKNOWN, key[0], 0);
+		}
+	}
+
+	return 0;
+}
+
+static int prof_rc_query(struct dvb_usb_device *d)
+{
+	u8 key[2];
+	struct i2c_msg msg = {
+		.addr = DW2102_RC_QUERY,
+		.flags = I2C_M_RD,
+		.buf = key,
+		.len = 2
+	};
+
+	if (d->props.i2c_algo->master_xfer(&d->i2c_adap, &msg, 1) == 1) {
+		if (msg.buf[0] != 0xff) {
+			deb_rc("%s: rc code: %x, %x\n",
+					__func__, key[0], key[1]);
+			rc_keydown(d->rc_dev, RC_PROTO_UNKNOWN, key[0] ^ 0xff,
+				   0);
+		}
+	}
+
+	return 0;
+}
+
+static int su3000_rc_query(struct dvb_usb_device *d)
+{
+	u8 key[2];
+	struct i2c_msg msg = {
+		.addr = DW2102_RC_QUERY,
+		.flags = I2C_M_RD,
+		.buf = key,
+		.len = 2
+	};
+
+	if (d->props.i2c_algo->master_xfer(&d->i2c_adap, &msg, 1) == 1) {
+		if (msg.buf[0] != 0xff) {
+			deb_rc("%s: rc code: %x, %x\n",
+					__func__, key[0], key[1]);
+			rc_keydown(d->rc_dev, RC_PROTO_RC5,
+				   RC_SCANCODE_RC5(key[1], key[0]), 0);
+		}
+	}
+
+	return 0;
+}
+
+enum dw2102_table_entry {
+	CYPRESS_DW2102,
+	CYPRESS_DW2101,
+	CYPRESS_DW2104,
+	TEVII_S650,
+	TERRATEC_CINERGY_S,
+	CYPRESS_DW3101,
+	TEVII_S630,
+	PROF_1100,
+	TEVII_S660,
+	PROF_7500,
+	GENIATECH_SU3000,
+	TERRATEC_CINERGY_S2,
+	TEVII_S480_1,
+	TEVII_S480_2,
+	X3M_SPC1400HD,
+	TEVII_S421,
+	TEVII_S632,
+	TERRATEC_CINERGY_S2_R2,
+	TERRATEC_CINERGY_S2_R3,
+	TERRATEC_CINERGY_S2_R4,
+	TERRATEC_CINERGY_S2_1,
+	TERRATEC_CINERGY_S2_2,
+	GOTVIEW_SAT_HD,
+	GENIATECH_T220,
+	TECHNOTREND_S2_4600,
+	TEVII_S482_1,
+	TEVII_S482_2,
+	TERRATEC_CINERGY_S2_BOX,
+	TEVII_S662
+};
+
+static struct usb_device_id dw2102_table[] = {
+	[CYPRESS_DW2102] = {USB_DEVICE(USB_VID_CYPRESS, USB_PID_DW2102)},
+	[CYPRESS_DW2101] = {USB_DEVICE(USB_VID_CYPRESS, 0x2101)},
+	[CYPRESS_DW2104] = {USB_DEVICE(USB_VID_CYPRESS, USB_PID_DW2104)},
+	[TEVII_S650] = {USB_DEVICE(0x9022, USB_PID_TEVII_S650)},
+	[TERRATEC_CINERGY_S] = {USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_S)},
+	[CYPRESS_DW3101] = {USB_DEVICE(USB_VID_CYPRESS, USB_PID_DW3101)},
+	[TEVII_S630] = {USB_DEVICE(0x9022, USB_PID_TEVII_S630)},
+	[PROF_1100] = {USB_DEVICE(0x3011, USB_PID_PROF_1100)},
+	[TEVII_S660] = {USB_DEVICE(0x9022, USB_PID_TEVII_S660)},
+	[PROF_7500] = {USB_DEVICE(0x3034, 0x7500)},
+	[GENIATECH_SU3000] = {USB_DEVICE(0x1f4d, 0x3000)},
+	[TERRATEC_CINERGY_S2] = {USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_S2_R1)},
+	[TEVII_S480_1] = {USB_DEVICE(0x9022, USB_PID_TEVII_S480_1)},
+	[TEVII_S480_2] = {USB_DEVICE(0x9022, USB_PID_TEVII_S480_2)},
+	[X3M_SPC1400HD] = {USB_DEVICE(0x1f4d, 0x3100)},
+	[TEVII_S421] = {USB_DEVICE(0x9022, USB_PID_TEVII_S421)},
+	[TEVII_S632] = {USB_DEVICE(0x9022, USB_PID_TEVII_S632)},
+	[TERRATEC_CINERGY_S2_R2] = {USB_DEVICE(USB_VID_TERRATEC,
+				    USB_PID_TERRATEC_CINERGY_S2_R2)},
+	[TERRATEC_CINERGY_S2_R3] = {USB_DEVICE(USB_VID_TERRATEC,
+				    USB_PID_TERRATEC_CINERGY_S2_R3)},
+	[TERRATEC_CINERGY_S2_R4] = {USB_DEVICE(USB_VID_TERRATEC,
+				    USB_PID_TERRATEC_CINERGY_S2_R4)},
+	[TERRATEC_CINERGY_S2_1] = {USB_DEVICE(USB_VID_TERRATEC_2,
+				   USB_PID_TERRATEC_CINERGY_S2_1)},
+	[TERRATEC_CINERGY_S2_2] = {USB_DEVICE(USB_VID_TERRATEC_2,
+				   USB_PID_TERRATEC_CINERGY_S2_2)},
+	[GOTVIEW_SAT_HD] = {USB_DEVICE(0x1FE1, USB_PID_GOTVIEW_SAT_HD)},
+	[GENIATECH_T220] = {USB_DEVICE(0x1f4d, 0xD220)},
+	[TECHNOTREND_S2_4600] = {USB_DEVICE(USB_VID_TECHNOTREND,
+		USB_PID_TECHNOTREND_CONNECT_S2_4600)},
+	[TEVII_S482_1] = {USB_DEVICE(0x9022, 0xd483)},
+	[TEVII_S482_2] = {USB_DEVICE(0x9022, 0xd484)},
+	[TERRATEC_CINERGY_S2_BOX] = {USB_DEVICE(USB_VID_TERRATEC, 0x0105)},
+	[TEVII_S662] = {USB_DEVICE(0x9022, USB_PID_TEVII_S662)},
+	{ }
+};
+
+MODULE_DEVICE_TABLE(usb, dw2102_table);
+
+static int dw2102_load_firmware(struct usb_device *dev,
+			const struct firmware *frmwr)
+{
+	u8 *b, *p;
+	int ret = 0, i;
+	u8 reset;
+	u8 reset16[] = {0, 0, 0, 0, 0, 0, 0};
+	const struct firmware *fw;
+
+	switch (le16_to_cpu(dev->descriptor.idProduct)) {
+	case 0x2101:
+		ret = request_firmware(&fw, DW2101_FIRMWARE, &dev->dev);
+		if (ret != 0) {
+			err(err_str, DW2101_FIRMWARE);
+			return ret;
+		}
+		break;
+	default:
+		fw = frmwr;
+		break;
+	}
+	info("start downloading DW210X firmware");
+	p = kmalloc(fw->size, GFP_KERNEL);
+	reset = 1;
+	/*stop the CPU*/
+	dw210x_op_rw(dev, 0xa0, 0x7f92, 0, &reset, 1, DW210X_WRITE_MSG);
+	dw210x_op_rw(dev, 0xa0, 0xe600, 0, &reset, 1, DW210X_WRITE_MSG);
+
+	if (p != NULL) {
+		memcpy(p, fw->data, fw->size);
+		for (i = 0; i < fw->size; i += 0x40) {
+			b = (u8 *) p + i;
+			if (dw210x_op_rw(dev, 0xa0, i, 0, b , 0x40,
+					DW210X_WRITE_MSG) != 0x40) {
+				err("error while transferring firmware");
+				ret = -EINVAL;
+				break;
+			}
+		}
+		/* restart the CPU */
+		reset = 0;
+		if (ret || dw210x_op_rw(dev, 0xa0, 0x7f92, 0, &reset, 1,
+					DW210X_WRITE_MSG) != 1) {
+			err("could not restart the USB controller CPU.");
+			ret = -EINVAL;
+		}
+		if (ret || dw210x_op_rw(dev, 0xa0, 0xe600, 0, &reset, 1,
+					DW210X_WRITE_MSG) != 1) {
+			err("could not restart the USB controller CPU.");
+			ret = -EINVAL;
+		}
+		/* init registers */
+		switch (le16_to_cpu(dev->descriptor.idProduct)) {
+		case USB_PID_TEVII_S650:
+			dw2104_properties.rc.core.rc_codes = RC_MAP_TEVII_NEC;
+			fallthrough;
+		case USB_PID_DW2104:
+			reset = 1;
+			dw210x_op_rw(dev, 0xc4, 0x0000, 0, &reset, 1,
+					DW210X_WRITE_MSG);
+			fallthrough;
+		case USB_PID_DW3101:
+			reset = 0;
+			dw210x_op_rw(dev, 0xbf, 0x0040, 0, &reset, 0,
+					DW210X_WRITE_MSG);
+			break;
+		case USB_PID_TERRATEC_CINERGY_S:
+		case USB_PID_DW2102:
+			dw210x_op_rw(dev, 0xbf, 0x0040, 0, &reset, 0,
+					DW210X_WRITE_MSG);
+			dw210x_op_rw(dev, 0xb9, 0x0000, 0, &reset16[0], 2,
+					DW210X_READ_MSG);
+			/* check STV0299 frontend  */
+			dw210x_op_rw(dev, 0xb5, 0, 0, &reset16[0], 2,
+					DW210X_READ_MSG);
+			if ((reset16[0] == 0xa1) || (reset16[0] == 0x80)) {
+				dw2102_properties.i2c_algo = &dw2102_i2c_algo;
+				dw2102_properties.adapter->fe[0].tuner_attach = &dw2102_tuner_attach;
+				break;
+			} else {
+				/* check STV0288 frontend  */
+				reset16[0] = 0xd0;
+				reset16[1] = 1;
+				reset16[2] = 0;
+				dw210x_op_rw(dev, 0xc2, 0, 0, &reset16[0], 3,
+						DW210X_WRITE_MSG);
+				dw210x_op_rw(dev, 0xc3, 0xd1, 0, &reset16[0], 3,
+						DW210X_READ_MSG);
+				if (reset16[2] == 0x11) {
+					dw2102_properties.i2c_algo = &dw2102_earda_i2c_algo;
+					break;
+				}
+			}
+			fallthrough;
+		case 0x2101:
+			dw210x_op_rw(dev, 0xbc, 0x0030, 0, &reset16[0], 2,
+					DW210X_READ_MSG);
+			dw210x_op_rw(dev, 0xba, 0x0000, 0, &reset16[0], 7,
+					DW210X_READ_MSG);
+			dw210x_op_rw(dev, 0xba, 0x0000, 0, &reset16[0], 7,
+					DW210X_READ_MSG);
+			dw210x_op_rw(dev, 0xb9, 0x0000, 0, &reset16[0], 2,
+					DW210X_READ_MSG);
+			break;
+		}
+
+		msleep(100);
+		kfree(p);
+	}
+
+	if (le16_to_cpu(dev->descriptor.idProduct) == 0x2101)
+		release_firmware(fw);
+	return ret;
+}
+
+static struct dvb_usb_device_properties dw2102_properties = {
+	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
+	.usb_ctrl = DEVICE_SPECIFIC,
+	.firmware = DW2102_FIRMWARE,
+	.no_reconnect = 1,
+
+	.i2c_algo = &dw2102_serit_i2c_algo,
+
+	.rc.core = {
+		.rc_interval = 150,
+		.rc_codes = RC_MAP_DM1105_NEC,
+		.module_name = "dw2102",
+		.allowed_protos   = RC_PROTO_BIT_NEC,
+		.rc_query = dw2102_rc_query,
+	},
+
+	.generic_bulk_ctrl_endpoint = 0x81,
+	/* parameter for the MPEG2-data transfer */
+	.num_adapters = 1,
+	.download_firmware = dw2102_load_firmware,
+	.read_mac_address = dw210x_read_mac_address,
+	.adapter = {
+		{
+		.num_frontends = 1,
+		.fe = {{
+			.frontend_attach = dw2102_frontend_attach,
+			.stream = {
+				.type = USB_BULK,
+				.count = 8,
+				.endpoint = 0x82,
+				.u = {
+					.bulk = {
+						.buffersize = 4096,
+					}
+				}
+			},
+		}},
+		}
+	},
+	.num_device_descs = 3,
+	.devices = {
+		{"DVBWorld DVB-S 2102 USB2.0",
+			{&dw2102_table[CYPRESS_DW2102], NULL},
+			{NULL},
+		},
+		{"DVBWorld DVB-S 2101 USB2.0",
+			{&dw2102_table[CYPRESS_DW2101], NULL},
+			{NULL},
+		},
+		{"TerraTec Cinergy S USB",
+			{&dw2102_table[TERRATEC_CINERGY_S], NULL},
+			{NULL},
+		},
+	}
+};
+
+static struct dvb_usb_device_properties dw2104_properties = {
+	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
+	.usb_ctrl = DEVICE_SPECIFIC,
+	.firmware = DW2104_FIRMWARE,
+	.no_reconnect = 1,
+
+	.i2c_algo = &dw2104_i2c_algo,
+	.rc.core = {
+		.rc_interval = 150,
+		.rc_codes = RC_MAP_DM1105_NEC,
+		.module_name = "dw2102",
+		.allowed_protos   = RC_PROTO_BIT_NEC,
+		.rc_query = dw2102_rc_query,
+	},
+
+	.generic_bulk_ctrl_endpoint = 0x81,
+	/* parameter for the MPEG2-data transfer */
+	.num_adapters = 1,
+	.download_firmware = dw2102_load_firmware,
+	.read_mac_address = dw210x_read_mac_address,
+	.adapter = {
+		{
+		.num_frontends = 1,
+		.fe = {{
+			.frontend_attach = dw2104_frontend_attach,
+			.stream = {
+				.type = USB_BULK,
+				.count = 8,
+				.endpoint = 0x82,
+				.u = {
+					.bulk = {
+						.buffersize = 4096,
+					}
+				}
+			},
+		}},
+		}
+	},
+	.num_device_descs = 2,
+	.devices = {
+		{ "DVBWorld DW2104 USB2.0",
+			{&dw2102_table[CYPRESS_DW2104], NULL},
+			{NULL},
+		},
+		{ "TeVii S650 USB2.0",
+			{&dw2102_table[TEVII_S650], NULL},
+			{NULL},
+		},
+	}
+};
+
+static struct dvb_usb_device_properties dw3101_properties = {
+	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
+	.usb_ctrl = DEVICE_SPECIFIC,
+	.firmware = DW3101_FIRMWARE,
+	.no_reconnect = 1,
+
+	.i2c_algo = &dw3101_i2c_algo,
+	.rc.core = {
+		.rc_interval = 150,
+		.rc_codes = RC_MAP_DM1105_NEC,
+		.module_name = "dw2102",
+		.allowed_protos   = RC_PROTO_BIT_NEC,
+		.rc_query = dw2102_rc_query,
+	},
+
+	.generic_bulk_ctrl_endpoint = 0x81,
+	/* parameter for the MPEG2-data transfer */
+	.num_adapters = 1,
+	.download_firmware = dw2102_load_firmware,
+	.read_mac_address = dw210x_read_mac_address,
+	.adapter = {
+		{
+		.num_frontends = 1,
+		.fe = {{
+			.frontend_attach = dw3101_frontend_attach,
+			.tuner_attach = dw3101_tuner_attach,
+			.stream = {
+				.type = USB_BULK,
+				.count = 8,
+				.endpoint = 0x82,
+				.u = {
+					.bulk = {
+						.buffersize = 4096,
+					}
+				}
+			},
+		}},
+		}
+	},
+	.num_device_descs = 1,
+	.devices = {
+		{ "DVBWorld DVB-C 3101 USB2.0",
+			{&dw2102_table[CYPRESS_DW3101], NULL},
+			{NULL},
+		},
+	}
+};
+
+static struct dvb_usb_device_properties s6x0_properties = {
+	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
+	.usb_ctrl = DEVICE_SPECIFIC,
+	.size_of_priv = sizeof(struct dw2102_state),
+	.firmware = S630_FIRMWARE,
+	.no_reconnect = 1,
+
+	.i2c_algo = &s6x0_i2c_algo,
+	.rc.core = {
+		.rc_interval = 150,
+		.rc_codes = RC_MAP_TEVII_NEC,
+		.module_name = "dw2102",
+		.allowed_protos   = RC_PROTO_BIT_NEC,
+		.rc_query = dw2102_rc_query,
+	},
+
+	.generic_bulk_ctrl_endpoint = 0x81,
+	.num_adapters = 1,
+	.download_firmware = dw2102_load_firmware,
+	.read_mac_address = s6x0_read_mac_address,
+	.adapter = {
+		{
+		.num_frontends = 1,
+		.fe = {{
+			.frontend_attach = zl100313_frontend_attach,
+			.stream = {
+				.type = USB_BULK,
+				.count = 8,
+				.endpoint = 0x82,
+				.u = {
+					.bulk = {
+						.buffersize = 4096,
+					}
+				}
+			},
+		}},
+		}
+	},
+	.num_device_descs = 1,
+	.devices = {
+		{"TeVii S630 USB",
+			{&dw2102_table[TEVII_S630], NULL},
+			{NULL},
+		},
+	}
+};
+
+static struct dvb_usb_device_properties p1100_properties = {
+	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
+	.usb_ctrl = DEVICE_SPECIFIC,
+	.size_of_priv = sizeof(struct dw2102_state),
+	.firmware = P1100_FIRMWARE,
+	.no_reconnect = 1,
+
+	.i2c_algo = &s6x0_i2c_algo,
+	.rc.core = {
+		.rc_interval = 150,
+		.rc_codes = RC_MAP_TBS_NEC,
+		.module_name = "dw2102",
+		.allowed_protos   = RC_PROTO_BIT_NEC,
+		.rc_query = prof_rc_query,
+	},
+
+	.generic_bulk_ctrl_endpoint = 0x81,
+	.num_adapters = 1,
+	.download_firmware = dw2102_load_firmware,
+	.read_mac_address = s6x0_read_mac_address,
+	.adapter = {
+		{
+			.num_frontends = 1,
+			.fe = {{
+				.frontend_attach = stv0288_frontend_attach,
+				.stream = {
+					.type = USB_BULK,
+					.count = 8,
+					.endpoint = 0x82,
+					.u = {
+						.bulk = {
+							.buffersize = 4096,
+						}
+					}
+				},
+			} },
+		}
+	},
+	.num_device_descs = 1,
+	.devices = {
+		{"Prof 1100 USB ",
+			{&dw2102_table[PROF_1100], NULL},
+			{NULL},
+		},
+	}
+};
+
+static struct dvb_usb_device_properties s660_properties = {
+	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
+	.usb_ctrl = DEVICE_SPECIFIC,
+	.size_of_priv = sizeof(struct dw2102_state),
+	.firmware = S660_FIRMWARE,
+	.no_reconnect = 1,
+
+	.i2c_algo = &s6x0_i2c_algo,
+	.rc.core = {
+		.rc_interval = 150,
+		.rc_codes = RC_MAP_TEVII_NEC,
+		.module_name = "dw2102",
+		.allowed_protos   = RC_PROTO_BIT_NEC,
+		.rc_query = dw2102_rc_query,
+	},
+
+	.generic_bulk_ctrl_endpoint = 0x81,
+	.num_adapters = 1,
+	.download_firmware = dw2102_load_firmware,
+	.read_mac_address = s6x0_read_mac_address,
+	.adapter = {
+		{
+			.num_frontends = 1,
+			.fe = {{
+				.frontend_attach = ds3000_frontend_attach,
+				.stream = {
+					.type = USB_BULK,
+					.count = 8,
+					.endpoint = 0x82,
+					.u = {
+						.bulk = {
+							.buffersize = 4096,
+						}
+					}
+				},
+			} },
+		}
+	},
+	.num_device_descs = 3,
+	.devices = {
+		{"TeVii S660 USB",
+			{&dw2102_table[TEVII_S660], NULL},
+			{NULL},
+		},
+		{"TeVii S480.1 USB",
+			{&dw2102_table[TEVII_S480_1], NULL},
+			{NULL},
+		},
+		{"TeVii S480.2 USB",
+			{&dw2102_table[TEVII_S480_2], NULL},
+			{NULL},
+		},
+	}
+};
+
+static struct dvb_usb_device_properties p7500_properties = {
+	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
+	.usb_ctrl = DEVICE_SPECIFIC,
+	.size_of_priv = sizeof(struct dw2102_state),
+	.firmware = P7500_FIRMWARE,
+	.no_reconnect = 1,
+
+	.i2c_algo = &s6x0_i2c_algo,
+	.rc.core = {
+		.rc_interval = 150,
+		.rc_codes = RC_MAP_TBS_NEC,
+		.module_name = "dw2102",
+		.allowed_protos   = RC_PROTO_BIT_NEC,
+		.rc_query = prof_rc_query,
+	},
+
+	.generic_bulk_ctrl_endpoint = 0x81,
+	.num_adapters = 1,
+	.download_firmware = dw2102_load_firmware,
+	.read_mac_address = s6x0_read_mac_address,
+	.adapter = {
+		{
+			.num_frontends = 1,
+			.fe = {{
+				.frontend_attach = prof_7500_frontend_attach,
+				.stream = {
+					.type = USB_BULK,
+					.count = 8,
+					.endpoint = 0x82,
+					.u = {
+						.bulk = {
+							.buffersize = 4096,
+						}
+					}
+				},
+			} },
+		}
+	},
+	.num_device_descs = 1,
+	.devices = {
+		{"Prof 7500 USB DVB-S2",
+			{&dw2102_table[PROF_7500], NULL},
+			{NULL},
+		},
+	}
+};
+
+static struct dvb_usb_device_properties su3000_properties = {
+	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
+	.usb_ctrl = DEVICE_SPECIFIC,
+	.size_of_priv = sizeof(struct dw2102_state),
+	.power_ctrl = su3000_power_ctrl,
+	.num_adapters = 1,
+	.identify_state	= su3000_identify_state,
+	.i2c_algo = &su3000_i2c_algo,
+
+	.rc.core = {
+		.rc_interval = 150,
+		.rc_codes = RC_MAP_SU3000,
+		.module_name = "dw2102",
+		.allowed_protos   = RC_PROTO_BIT_RC5,
+		.rc_query = su3000_rc_query,
+	},
+
+	.read_mac_address = su3000_read_mac_address,
+
+	.generic_bulk_ctrl_endpoint = 0x01,
+
+	.adapter = {
+		{
+		.num_frontends = 1,
+		.fe = {{
+			.streaming_ctrl   = su3000_streaming_ctrl,
+			.frontend_attach  = su3000_frontend_attach,
+			.stream = {
+				.type = USB_BULK,
+				.count = 8,
+				.endpoint = 0x82,
+				.u = {
+					.bulk = {
+						.buffersize = 4096,
+					}
+				}
+			}
+		}},
+		}
+	},
+	.num_device_descs = 8,
+	.devices = {
+		{ "SU3000HD DVB-S USB2.0",
+			{ &dw2102_table[GENIATECH_SU3000], NULL },
+			{ NULL },
+		},
+		{ "Terratec Cinergy S2 USB HD",
+			{ &dw2102_table[TERRATEC_CINERGY_S2], NULL },
+			{ NULL },
+		},
+		{ "X3M TV SPC1400HD PCI",
+			{ &dw2102_table[X3M_SPC1400HD], NULL },
+			{ NULL },
+		},
+		{ "Terratec Cinergy S2 USB HD Rev.2",
+			{ &dw2102_table[TERRATEC_CINERGY_S2_R2], NULL },
+			{ NULL },
+		},
+		{ "Terratec Cinergy S2 USB HD Rev.3",
+			{ &dw2102_table[TERRATEC_CINERGY_S2_R3], NULL },
+			{ NULL },
+		},
+		{ "Terratec Cinergy S2 PCIe Dual Port 1",
+			{ &dw2102_table[TERRATEC_CINERGY_S2_1], NULL },
+			{ NULL },
+		},
+		{ "Terratec Cinergy S2 PCIe Dual Port 2",
+			{ &dw2102_table[TERRATEC_CINERGY_S2_2], NULL },
+			{ NULL },
+		},
+		{ "GOTVIEW Satellite HD",
+			{ &dw2102_table[GOTVIEW_SAT_HD], NULL },
+			{ NULL },
+		},
+	}
+};
+
+static struct dvb_usb_device_properties s421_properties = {
+	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
+	.usb_ctrl = DEVICE_SPECIFIC,
+	.size_of_priv = sizeof(struct dw2102_state),
+	.power_ctrl = su3000_power_ctrl,
+	.num_adapters = 1,
+	.identify_state	= su3000_identify_state,
+	.i2c_algo = &su3000_i2c_algo,
+
+	.rc.core = {
+		.rc_interval = 150,
+		.rc_codes = RC_MAP_SU3000,
+		.module_name = "dw2102",
+		.allowed_protos   = RC_PROTO_BIT_RC5,
+		.rc_query = su3000_rc_query,
+	},
+
+	.read_mac_address = su3000_read_mac_address,
+
+	.generic_bulk_ctrl_endpoint = 0x01,
+
+	.adapter = {
+		{
+		.num_frontends = 1,
+		.fe = {{
+			.streaming_ctrl   = su3000_streaming_ctrl,
+			.frontend_attach  = m88rs2000_frontend_attach,
+			.stream = {
+				.type = USB_BULK,
+				.count = 8,
+				.endpoint = 0x82,
+				.u = {
+					.bulk = {
+						.buffersize = 4096,
+					}
+				}
+			}
+		} },
+		}
+	},
+	.num_device_descs = 2,
+	.devices = {
+		{ "TeVii S421 PCI",
+			{ &dw2102_table[TEVII_S421], NULL },
+			{ NULL },
+		},
+		{ "TeVii S632 USB",
+			{ &dw2102_table[TEVII_S632], NULL },
+			{ NULL },
+		},
+	}
+};
+
+static struct dvb_usb_device_properties t220_properties = {
+	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
+	.usb_ctrl = DEVICE_SPECIFIC,
+	.size_of_priv = sizeof(struct dw2102_state),
+	.power_ctrl = su3000_power_ctrl,
+	.num_adapters = 1,
+	.identify_state	= su3000_identify_state,
+	.i2c_algo = &su3000_i2c_algo,
+
+	.rc.core = {
+		.rc_interval = 150,
+		.rc_codes = RC_MAP_SU3000,
+		.module_name = "dw2102",
+		.allowed_protos   = RC_PROTO_BIT_RC5,
+		.rc_query = su3000_rc_query,
+	},
+
+	.read_mac_address = su3000_read_mac_address,
+
+	.generic_bulk_ctrl_endpoint = 0x01,
+
+	.adapter = {
+		{
+		.num_frontends = 1,
+		.fe = { {
+			.streaming_ctrl   = su3000_streaming_ctrl,
+			.frontend_attach  = t220_frontend_attach,
+			.stream = {
+				.type = USB_BULK,
+				.count = 8,
+				.endpoint = 0x82,
+				.u = {
+					.bulk = {
+						.buffersize = 4096,
+					}
+				}
+			}
+		} },
+		}
+	},
+	.num_device_descs = 1,
+	.devices = {
+		{ "Geniatech T220 DVB-T/T2 USB2.0",
+			{ &dw2102_table[GENIATECH_T220], NULL },
+			{ NULL },
+		},
+	}
+};
+
+static struct dvb_usb_device_properties tt_s2_4600_properties = {
+	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
+	.usb_ctrl = DEVICE_SPECIFIC,
+	.size_of_priv = sizeof(struct dw2102_state),
+	.power_ctrl = su3000_power_ctrl,
+	.num_adapters = 1,
+	.identify_state	= su3000_identify_state,
+	.i2c_algo = &su3000_i2c_algo,
+
+	.rc.core = {
+		.rc_interval = 250,
+		.rc_codes = RC_MAP_TT_1500,
+		.module_name = "dw2102",
+		.allowed_protos   = RC_PROTO_BIT_RC5,
+		.rc_query = su3000_rc_query,
+	},
+
+	.read_mac_address = su3000_read_mac_address,
+
+	.generic_bulk_ctrl_endpoint = 0x01,
+
+	.adapter = {
+		{
+		.num_frontends = 1,
+		.fe = {{
+			.streaming_ctrl   = su3000_streaming_ctrl,
+			.frontend_attach  = tt_s2_4600_frontend_attach,
+			.stream = {
+				.type = USB_BULK,
+				.count = 8,
+				.endpoint = 0x82,
+				.u = {
+					.bulk = {
+						.buffersize = 4096,
+					}
+				}
+			}
+		} },
+		}
+	},
+	.num_device_descs = 5,
+	.devices = {
+		{ "TechnoTrend TT-connect S2-4600",
+			{ &dw2102_table[TECHNOTREND_S2_4600], NULL },
+			{ NULL },
+		},
+		{ "TeVii S482 (tuner 1)",
+			{ &dw2102_table[TEVII_S482_1], NULL },
+			{ NULL },
+		},
+		{ "TeVii S482 (tuner 2)",
+			{ &dw2102_table[TEVII_S482_2], NULL },
+			{ NULL },
+		},
+		{ "Terratec Cinergy S2 USB BOX",
+			{ &dw2102_table[TERRATEC_CINERGY_S2_BOX], NULL },
+			{ NULL },
+		},
+		{ "TeVii S662",
+			{ &dw2102_table[TEVII_S662], NULL },
+			{ NULL },
+		},
+	}
+};
+
+static int dw2102_probe(struct usb_interface *intf,
+		const struct usb_device_id *id)
+{
+	if (!(dvb_usb_device_init(intf, &dw2102_properties,
+			          THIS_MODULE, NULL, adapter_nr) &&
+	      dvb_usb_device_init(intf, &dw2104_properties,
+				  THIS_MODULE, NULL, adapter_nr) &&
+	      dvb_usb_device_init(intf, &dw3101_properties,
+			          THIS_MODULE, NULL, adapter_nr) &&
+	      dvb_usb_device_init(intf, &s6x0_properties,
+			          THIS_MODULE, NULL, adapter_nr) &&
+	      dvb_usb_device_init(intf, &p1100_properties,
+			          THIS_MODULE, NULL, adapter_nr) &&
+	      dvb_usb_device_init(intf, &s660_properties,
+				  THIS_MODULE, NULL, adapter_nr) &&
+	      dvb_usb_device_init(intf, &p7500_properties,
+				  THIS_MODULE, NULL, adapter_nr) &&
+	      dvb_usb_device_init(intf, &s421_properties,
+				  THIS_MODULE, NULL, adapter_nr) &&
+	      dvb_usb_device_init(intf, &su3000_properties,
+				  THIS_MODULE, NULL, adapter_nr) &&
+	      dvb_usb_device_init(intf, &t220_properties,
+				  THIS_MODULE, NULL, adapter_nr) &&
+	      dvb_usb_device_init(intf, &tt_s2_4600_properties,
+				  THIS_MODULE, NULL, adapter_nr))) {
+
+		return 0;
+	}
+
+	return -ENODEV;
+}
+
+static void dw2102_disconnect(struct usb_interface *intf)
+{
+	struct dvb_usb_device *d = usb_get_intfdata(intf);
+	struct dw2102_state *st = (struct dw2102_state *)d->priv;
+	struct i2c_client *client;
+
+	/* remove I2C client for tuner */
+	client = st->i2c_client_tuner;
+	if (client) {
+		module_put(client->dev.driver->owner);
+		i2c_unregister_device(client);
+	}
+
+	/* remove I2C client for demodulator */
+	client = st->i2c_client_demod;
+	if (client) {
+		module_put(client->dev.driver->owner);
+		i2c_unregister_device(client);
+	}
+
+	dvb_usb_device_exit(intf);
+}
+
+static struct usb_driver dw2102_driver = {
+	.name = "dw2102",
+	.probe = dw2102_probe,
+	.disconnect = dw2102_disconnect,
+	.id_table = dw2102_table,
+};
+
+module_usb_driver(dw2102_driver);
+
+MODULE_AUTHOR("Igor M. Liplianin (c) liplianin@me.by");
+MODULE_DESCRIPTION("Driver for DVBWorld DVB-S 2101, 2102, DVB-S2 2104, DVB-C 3101 USB2.0, TeVii S421, S480, S482, S600, S630, S632, S650, TeVii S660, S662, Prof 1100, 7500 USB2.0, Geniatech SU3000, T220, TechnoTrend S2-4600, Terratec Cinergy S2 devices");
+MODULE_VERSION("0.1");
+MODULE_LICENSE("GPL");
+MODULE_FIRMWARE(DW2101_FIRMWARE);
+MODULE_FIRMWARE(DW2102_FIRMWARE);
+MODULE_FIRMWARE(DW2104_FIRMWARE);
+MODULE_FIRMWARE(DW3101_FIRMWARE);
+MODULE_FIRMWARE(S630_FIRMWARE);
+MODULE_FIRMWARE(S660_FIRMWARE);
+MODULE_FIRMWARE(P1100_FIRMWARE);
+MODULE_FIRMWARE(P7500_FIRMWARE);