*     DVBWorld DVB-S 2101, 2102, DVB-S2 2104, DVB-C 3101,
  *     TeVii S600, S630, S650, S660, S480, S421, S632
  *     Prof 1100, 7500,
- *     Geniatech SU3000, T220 Cards
+ *     Geniatech SU3000, T220,
+ *     TechnoTrend S2-4600 Cards
  * Copyright (C) 2008-2012 Igor M. Liplianin (liplianin@me.by)
  *
  *     This program is free software; you can redistribute it and/or modify it
 #include "m88rs2000.h"
 #include "tda18271.h"
 #include "cxd2820r.h"
+#include "m88ds3103.h"
+#include "m88ts2022.h"
 
 /* Max transfer size done by I2C transfer functions */
 #define MAX_XFER_SIZE  64
        .gate = TDA18271_GATE_DIGITAL,
 };
 
+static const struct m88ds3103_config tt_s2_4600_m88ds3103_config = {
+       .i2c_addr = 0x68,
+       .clock = 27000000,
+       .i2c_wr_max = 33,
+       .ts_mode = M88DS3103_TS_CI,
+       .ts_clk = 16000,
+       .ts_clk_pol = 0,
+       .spec_inv = 0,
+       .agc_inv = 0,
+       .clock_out = M88DS3103_CLOCK_OUT_ENABLED,
+       .envelope_mode = 0,
+       .agc = 0x99,
+       .lnb_hv_pol = 1,
+       .lnb_en_pol = 0,
+};
+
 static u8 m88rs2000_inittab[] = {
        DEMOD_WRITE, 0x9a, 0x30,
        DEMOD_WRITE, 0x00, 0x01,
        return -EIO;
 }
 
+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;
+       u8 obuf[3] = { 0xe, 0x80, 0 };
+       u8 ibuf[] = { 0 };
+       struct i2c_adapter *i2c_adapter;
+       struct i2c_client *client;
+       struct i2c_board_info info;
+       struct m88ts2022_config m88ts2022_config = {
+               .clock = 27000000,
+       };
+
+       if (dvb_usb_generic_rw(d, obuf, 3, ibuf, 1, 0) < 0)
+               err("command 0x0e transfer failed.");
+
+       obuf[0] = 0xe;
+       obuf[1] = 0x02;
+       obuf[2] = 1;
+
+       if (dvb_usb_generic_rw(d, obuf, 3, ibuf, 1, 0) < 0)
+               err("command 0x0e transfer failed.");
+       msleep(300);
+
+       obuf[0] = 0xe;
+       obuf[1] = 0x83;
+       obuf[2] = 0;
+
+       if (dvb_usb_generic_rw(d, obuf, 3, ibuf, 1, 0) < 0)
+               err("command 0x0e transfer failed.");
+
+       obuf[0] = 0xe;
+       obuf[1] = 0x83;
+       obuf[2] = 1;
+
+       if (dvb_usb_generic_rw(d, obuf, 3, ibuf, 1, 0) < 0)
+               err("command 0x0e transfer failed.");
+
+       obuf[0] = 0x51;
+
+       if (dvb_usb_generic_rw(d, obuf, 1, ibuf, 1, 0) < 0)
+               err("command 0x51 transfer failed.");
+
+       memset(&info, 0, sizeof(struct i2c_board_info));
+
+       adap->fe_adap[0].fe = dvb_attach(m88ds3103_attach,
+                                       &tt_s2_4600_m88ds3103_config,
+                                       &d->i2c_adap,
+                                       &i2c_adapter);
+       if (adap->fe_adap[0].fe == NULL)
+               return -ENODEV;
+
+       /* attach tuner */
+       m88ts2022_config.fe = adap->fe_adap[0].fe;
+       strlcpy(info.type, "m88ts2022", I2C_NAME_SIZE);
+       info.addr = 0x60;
+       info.platform_data = &m88ts2022_config;
+       request_module("m88ts2022");
+       client = i2c_new_device(i2c_adapter, &info);
+
+       if (client == NULL || client->dev.driver == NULL) {
+               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;
+
+       return 0;
+}
+
 static int dw2102_tuner_attach(struct dvb_usb_adapter *adap)
 {
        dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x60,
        TERRATEC_CINERGY_S2_R2,
        GOTVIEW_SAT_HD,
        GENIATECH_T220,
+       TECHNOTREND_S2_4600,
 };
 
 static struct usb_device_id dw2102_table[] = {
        [TERRATEC_CINERGY_S2_R2] = {USB_DEVICE(USB_VID_TERRATEC, 0x00b0)},
        [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)},
        { }
 };
 
        }
 };
 
+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_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 = 1,
+       .devices = {
+               { "TechnoTrend TT-connect S2-4600",
+                       { &dw2102_table[TECHNOTREND_S2_4600], NULL },
+                       { NULL },
+               },
+       }
+};
+
 static int dw2102_probe(struct usb_interface *intf,
                const struct usb_device_id *id)
 {
            0 == dvb_usb_device_init(intf, &su3000_properties,
                         THIS_MODULE, NULL, adapter_nr) ||
            0 == dvb_usb_device_init(intf, &t220_properties,
+                        THIS_MODULE, NULL, adapter_nr) ||
+           0 == dvb_usb_device_init(intf, &tt_s2_4600_properties,
                         THIS_MODULE, NULL, adapter_nr))
                return 0;
 
                        " DVB-C 3101 USB2.0,"
                        " TeVii S600, S630, S650, S660, S480, S421, S632"
                        " Prof 1100, 7500 USB2.0,"
-                       " Geniatech SU3000, T220 devices");
+                       " Geniatech SU3000, T220,"
+                       " TechnoTrend S2-4600 devices");
 MODULE_VERSION("0.1");
 MODULE_LICENSE("GPL");
 MODULE_FIRMWARE(DW2101_FIRMWARE);