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/* DVB USB compliant linux driver for Technotrend DVB USB boxes and clones
 * (e.g. Pinnacle 400e DVB-S USB2.0).
 *
 * The Pinnacle 400e uses the same protocol as the Technotrend USB1.1 boxes.
 *
 * TDA8263 + TDA10086
 *
 * I2C addresses:
 * 0x08 - LNBP21PD   - LNB power supply
 * 0x0e - TDA10086   - Demodulator
 * 0x50 - FX2 eeprom
 * 0x60 - TDA8263    - Tuner
 * 0x78 ???
 *
 * Copyright (c) 2002 Holger Waechtler <holger@convergence.de>
 * Copyright (c) 2003 Felix Domke <tmbinc@elitedvb.net>
 * Copyright (C) 2005-6 Patrick Boettcher <pb@linuxtv.org>
 *
 *	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.
 *
 * see Documentation/dvb/README.dvb-usb for more information
 */
#define DVB_USB_LOG_PREFIX "ttusb2"
#include "dvb-usb.h"

#include "ttusb2.h"

#include "tda826x.h"
#include "tda10086.h"
#include "tda1002x.h"
#include "tda10048.h"
#include "tda827x.h"
#include "lnbp21.h"
/* CA */
#include "dvb_ca_en50221.h"

/* debug */
static int dvb_usb_ttusb2_debug;
#define deb_info(args...)   dprintk(dvb_usb_ttusb2_debug,0x01,args)
module_param_named(debug,dvb_usb_ttusb2_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able))." DVB_USB_DEBUG_STATUS);
static int dvb_usb_ttusb2_debug_ci;
module_param_named(debug_ci,dvb_usb_ttusb2_debug_ci, int, 0644);
MODULE_PARM_DESC(debug_ci, "set debugging ci." DVB_USB_DEBUG_STATUS);

DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

#define ci_dbg(format, arg...)                \
do {                                          \
	if (dvb_usb_ttusb2_debug_ci)                                    \
		printk(KERN_DEBUG DVB_USB_LOG_PREFIX \
			": %s " format "\n" , __func__, ## arg);       \
} while (0)

enum {
	TT3650_CMD_CI_TEST = 0x40,
	TT3650_CMD_CI_RD_CTRL,
	TT3650_CMD_CI_WR_CTRL,
	TT3650_CMD_CI_RD_ATTR,
	TT3650_CMD_CI_WR_ATTR,
	TT3650_CMD_CI_RESET,
	TT3650_CMD_CI_SET_VIDEO_PORT
};

struct ttusb2_state {
	struct dvb_ca_en50221 ca;
	struct mutex ca_mutex;
	u8 id;
	u16 last_rc_key;
};

static int ttusb2_msg(struct dvb_usb_device *d, u8 cmd,
		u8 *wbuf, int wlen, u8 *rbuf, int rlen)
{
	struct ttusb2_state *st = d->priv;
	u8 *s, *r = NULL;
	int ret = 0;

	if (4 + rlen > 64)
		return -EIO;

	s = kzalloc(wlen+4, GFP_KERNEL);
	if (!s)
		return -ENOMEM;

	r = kzalloc(64, GFP_KERNEL);
	if (!r) {
		kfree(s);
		return -ENOMEM;
	}

	s[0] = 0xaa;
	s[1] = ++st->id;
	s[2] = cmd;
	s[3] = wlen;
	memcpy(&s[4],wbuf,wlen);

	ret = dvb_usb_generic_rw(d, s, wlen+4, r, 64, 0);

	if (ret  != 0 ||
		r[0] != 0x55 ||
		r[1] != s[1] ||
		r[2] != cmd ||
		(rlen > 0 && r[3] != rlen)) {
		warn("there might have been an error during control message transfer. (rlen = %d, was %d)",rlen,r[3]);
		kfree(s);
		kfree(r);
		return -EIO;
	}

	if (rlen > 0)
		memcpy(rbuf, &r[4], rlen);

	kfree(s);
	kfree(r);

	return 0;
}

/* ci */
static int tt3650_ci_msg(struct dvb_usb_device *d, u8 cmd, u8 *data, unsigned int write_len, unsigned int read_len)
{
	int ret;
	u8 rx[60];/* (64 -4) */
	ret = ttusb2_msg(d, cmd, data, write_len, rx, read_len);
	if (!ret)
		memcpy(data, rx, read_len);
	return ret;
}

static int tt3650_ci_msg_locked(struct dvb_ca_en50221 *ca, u8 cmd, u8 *data, unsigned int write_len, unsigned int read_len)
{
	struct dvb_usb_device *d = ca->data;
	struct ttusb2_state *state = d->priv;
	int ret;

	mutex_lock(&state->ca_mutex);
	ret = tt3650_ci_msg(d, cmd, data, write_len, read_len);
	mutex_unlock(&state->ca_mutex);

	return ret;
}

static int tt3650_ci_read_attribute_mem(struct dvb_ca_en50221 *ca, int slot, int address)
{
	u8 buf[3];
	int ret = 0;

	if (slot)
		return -EINVAL;

	buf[0] = (address >> 8) & 0x0F;
	buf[1] = address;


	ret = tt3650_ci_msg_locked(ca, TT3650_CMD_CI_RD_ATTR, buf, 2, 3);

	ci_dbg("%04x -> %d 0x%02x", address, ret, buf[2]);

	if (ret < 0)
		return ret;

	return buf[2];
}

static int tt3650_ci_write_attribute_mem(struct dvb_ca_en50221 *ca, int slot, int address, u8 value)
{
	u8 buf[3];

	ci_dbg("%d 0x%04x 0x%02x", slot, address, value);

	if (slot)
		return -EINVAL;

	buf[0] = (address >> 8) & 0x0F;
	buf[1] = address;
	buf[2] = value;

	return tt3650_ci_msg_locked(ca, TT3650_CMD_CI_WR_ATTR, buf, 3, 3);
}

static int tt3650_ci_read_cam_control(struct dvb_ca_en50221 *ca, int slot, u8 address)
{
	u8 buf[2];
	int ret;

	if (slot)
		return -EINVAL;

	buf[0] = address & 3;

	ret = tt3650_ci_msg_locked(ca, TT3650_CMD_CI_RD_CTRL, buf, 1, 2);

	ci_dbg("0x%02x -> %d 0x%02x", address, ret, buf[1]);

	if (ret < 0)
		return ret;

	return buf[1];
}

static int tt3650_ci_write_cam_control(struct dvb_ca_en50221 *ca, int slot, u8 address, u8 value)
{
	u8 buf[2];

	ci_dbg("%d 0x%02x 0x%02x", slot, address, value);

	if (slot)
		return -EINVAL;

	buf[0] = address;
	buf[1] = value;

	return tt3650_ci_msg_locked(ca, TT3650_CMD_CI_WR_CTRL, buf, 2, 2);
}

static int tt3650_ci_set_video_port(struct dvb_ca_en50221 *ca, int slot, int enable)
{
	u8 buf[1];
	int ret;

	ci_dbg("%d %d", slot, enable);

	if (slot)
		return -EINVAL;

	buf[0] = enable;

	ret = tt3650_ci_msg_locked(ca, TT3650_CMD_CI_SET_VIDEO_PORT, buf, 1, 1);
	if (ret < 0)
		return ret;

	if (enable != buf[0]) {
		err("CI not %sabled.", enable ? "en" : "dis");
		return -EIO;
	}

	return 0;
}

static int tt3650_ci_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
{
	return tt3650_ci_set_video_port(ca, slot, 0);
}

static int tt3650_ci_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
{
	return tt3650_ci_set_video_port(ca, slot, 1);
}

static int tt3650_ci_slot_reset(struct dvb_ca_en50221 *ca, int slot)
{
	struct dvb_usb_device *d = ca->data;
	struct ttusb2_state *state = d->priv;
	u8 buf[1];
	int ret;

	ci_dbg("%d", slot);

	if (slot)
		return -EINVAL;

	buf[0] = 0;

	mutex_lock(&state->ca_mutex);

	ret = tt3650_ci_msg(d, TT3650_CMD_CI_RESET, buf, 1, 1);
	if (ret)
		goto failed;

	msleep(500);

	buf[0] = 1;

	ret = tt3650_ci_msg(d, TT3650_CMD_CI_RESET, buf, 1, 1);
	if (ret)
		goto failed;

	msleep(500);

	buf[0] = 0; /* FTA */

	ret = tt3650_ci_msg(d, TT3650_CMD_CI_SET_VIDEO_PORT, buf, 1, 1);

	msleep(1100);

 failed:
	mutex_unlock(&state->ca_mutex);

	return ret;
}

static int tt3650_ci_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open)
{
	u8 buf[1];
	int ret;

	if (slot)
		return -EINVAL;

	ret = tt3650_ci_msg_locked(ca, TT3650_CMD_CI_TEST, buf, 0, 1);
	if (ret)
		return ret;

	if (1 == buf[0]) {
		return DVB_CA_EN50221_POLL_CAM_PRESENT |
			DVB_CA_EN50221_POLL_CAM_READY;
	}
	return 0;
}

static void tt3650_ci_uninit(struct dvb_usb_device *d)
{
	struct ttusb2_state *state;

	ci_dbg("");

	if (NULL == d)
		return;

	state = d->priv;
	if (NULL == state)
		return;

	if (NULL == state->ca.data)
		return;

	dvb_ca_en50221_release(&state->ca);

	memset(&state->ca, 0, sizeof(state->ca));
}

static int tt3650_ci_init(struct dvb_usb_adapter *a)
{
	struct dvb_usb_device *d = a->dev;
	struct ttusb2_state *state = d->priv;
	int ret;

	ci_dbg("");

	mutex_init(&state->ca_mutex);

	state->ca.owner = THIS_MODULE;
	state->ca.read_attribute_mem = tt3650_ci_read_attribute_mem;
	state->ca.write_attribute_mem = tt3650_ci_write_attribute_mem;
	state->ca.read_cam_control = tt3650_ci_read_cam_control;
	state->ca.write_cam_control = tt3650_ci_write_cam_control;
	state->ca.slot_reset = tt3650_ci_slot_reset;
	state->ca.slot_shutdown = tt3650_ci_slot_shutdown;
	state->ca.slot_ts_enable = tt3650_ci_slot_ts_enable;
	state->ca.poll_slot_status = tt3650_ci_poll_slot_status;
	state->ca.data = d;

	ret = dvb_ca_en50221_init(&a->dvb_adap,
				  &state->ca,
				  /* flags */ 0,
				  /* n_slots */ 1);
	if (ret) {
		err("Cannot initialize CI: Error %d.", ret);
		memset(&state->ca, 0, sizeof(state->ca));
		return ret;
	}

	info("CI initialized.");

	return 0;
}

static int ttusb2_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
{
	struct dvb_usb_device *d = i2c_get_adapdata(adap);
	static u8 obuf[60], ibuf[60];
	int i, write_read, read;

	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
		return -EAGAIN;

	if (num > 2)
		warn("more than 2 i2c messages at a time is not handled yet. TODO.");

	for (i = 0; i < num; i++) {
		write_read = i+1 < num && (msg[i+1].flags & I2C_M_RD);
		read = msg[i].flags & I2C_M_RD;

		if (3 + msg[i].len > sizeof(obuf)) {
			err("i2c wr len=%d too high", msg[i].len);
			break;
		}
		if (write_read) {
			if (3 + msg[i+1].len > sizeof(ibuf)) {
				err("i2c rd len=%d too high", msg[i+1].len);
				break;
			}
		} else if (read) {
			if (3 + msg[i].len > sizeof(ibuf)) {
				err("i2c rd len=%d too high", msg[i].len);
				break;
			}
		}

		obuf[0] = (msg[i].addr << 1) | (write_read | read);
		if (read)
			obuf[1] = 0;
		else
			obuf[1] = msg[i].len;

		/* read request */
		if (write_read)
			obuf[2] = msg[i+1].len;
		else if (read)
			obuf[2] = msg[i].len;
		else
			obuf[2] = 0;

		memcpy(&obuf[3], msg[i].buf, msg[i].len);

		if (ttusb2_msg(d, CMD_I2C_XFER, obuf, obuf[1]+3, ibuf, obuf[2] + 3) < 0) {
			err("i2c transfer failed.");
			break;
		}

		if (write_read) {
			memcpy(msg[i+1].buf, &ibuf[3], msg[i+1].len);
			i++;
		} else if (read)
			memcpy(msg[i].buf, &ibuf[3], msg[i].len);
	}

	mutex_unlock(&d->i2c_mutex);
	return i;
}

static u32 ttusb2_i2c_func(struct i2c_adapter *adapter)
{
	return I2C_FUNC_I2C;
}

static struct i2c_algorithm ttusb2_i2c_algo = {
	.master_xfer   = ttusb2_i2c_xfer,
	.functionality = ttusb2_i2c_func,
};

/* command to poll IR receiver (copied from pctv452e.c) */
#define CMD_GET_IR_CODE     0x1b

/* IR */
static int tt3650_rc_query(struct dvb_usb_device *d)
{
	int ret;
	u8 rx[9]; /* A CMD_GET_IR_CODE reply is 9 bytes long */
	struct ttusb2_state *st = d->priv;
	ret = ttusb2_msg(d, CMD_GET_IR_CODE, NULL, 0, rx, sizeof(rx));
	if (ret != 0)
		return ret;

	if (rx[8] & 0x01) {
		/* got a "press" event */
		st->last_rc_key = RC_SCANCODE_RC5(rx[3], rx[2]);
		deb_info("%s: cmd=0x%02x sys=0x%02x\n", __func__, rx[2], rx[3]);
		rc_keydown(d->rc_dev, RC_TYPE_RC5, st->last_rc_key, rx[1]);
	} else if (st->last_rc_key) {
		rc_keyup(d->rc_dev);
		st->last_rc_key = 0;
	}

	return 0;
}


/* Callbacks for DVB USB */
static int ttusb2_identify_state (struct usb_device *udev, struct
		dvb_usb_device_properties *props, struct dvb_usb_device_description **desc,
		int *cold)
{
	*cold = udev->descriptor.iManufacturer == 0 && udev->descriptor.iProduct == 0;
	return 0;
}

static int ttusb2_power_ctrl(struct dvb_usb_device *d, int onoff)
{
	u8 b = onoff;
	ttusb2_msg(d, CMD_POWER, &b, 0, NULL, 0);
	return ttusb2_msg(d, CMD_POWER, &b, 1, NULL, 0);
}


static struct tda10086_config tda10086_config = {
	.demod_address = 0x0e,
	.invert = 0,
	.diseqc_tone = 1,
	.xtal_freq = TDA10086_XTAL_16M,
};

static struct tda10023_config tda10023_config = {
	.demod_address = 0x0c,
	.invert = 0,
	.xtal = 16000000,
	.pll_m = 11,
	.pll_p = 3,
	.pll_n = 1,
	.deltaf = 0xa511,
};

static struct tda10048_config tda10048_config = {
	.demod_address    = 0x10 >> 1,
	.output_mode      = TDA10048_PARALLEL_OUTPUT,
	.inversion        = TDA10048_INVERSION_ON,
	.dtv6_if_freq_khz = TDA10048_IF_4000,
	.dtv7_if_freq_khz = TDA10048_IF_4500,
	.dtv8_if_freq_khz = TDA10048_IF_5000,
	.clk_freq_khz     = TDA10048_CLK_16000,
	.no_firmware      = 1,
	.set_pll          = true ,
	.pll_m            = 5,
	.pll_n            = 3,
	.pll_p            = 0,
};

static struct tda827x_config tda827x_config = {
	.config = 0,
};

static int ttusb2_frontend_tda10086_attach(struct dvb_usb_adapter *adap)
{
	if (usb_set_interface(adap->dev->udev,0,3) < 0)
		err("set interface to alts=3 failed");

	if ((adap->fe_adap[0].fe = dvb_attach(tda10086_attach, &tda10086_config, &adap->dev->i2c_adap)) == NULL) {
		deb_info("TDA10086 attach failed\n");
		return -ENODEV;
	}

	return 0;
}

static int ttusb2_ct3650_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
{
	struct dvb_usb_adapter *adap = fe->dvb->priv;

	return adap->fe_adap[0].fe->ops.i2c_gate_ctrl(adap->fe_adap[0].fe, enable);
}

static int ttusb2_frontend_tda10023_attach(struct dvb_usb_adapter *adap)
{
	if (usb_set_interface(adap->dev->udev, 0, 3) < 0)
		err("set interface to alts=3 failed");

	if (adap->fe_adap[0].fe == NULL) {
		/* FE 0 DVB-C */
		adap->fe_adap[0].fe = dvb_attach(tda10023_attach,
			&tda10023_config, &adap->dev->i2c_adap, 0x48);

		if (adap->fe_adap[0].fe == NULL) {
			deb_info("TDA10023 attach failed\n");
			return -ENODEV;
		}
		tt3650_ci_init(adap);
	} else {
		adap->fe_adap[1].fe = dvb_attach(tda10048_attach,
			&tda10048_config, &adap->dev->i2c_adap);

		if (adap->fe_adap[1].fe == NULL) {
			deb_info("TDA10048 attach failed\n");
			return -ENODEV;
		}

		/* tuner is behind TDA10023 I2C-gate */
		adap->fe_adap[1].fe->ops.i2c_gate_ctrl = ttusb2_ct3650_i2c_gate_ctrl;

	}

	return 0;
}

static int ttusb2_tuner_tda827x_attach(struct dvb_usb_adapter *adap)
{
	struct dvb_frontend *fe;

	/* MFE: select correct FE to attach tuner since that's called twice */
	if (adap->fe_adap[1].fe == NULL)
		fe = adap->fe_adap[0].fe;
	else
		fe = adap->fe_adap[1].fe;

	/* attach tuner */
	if (dvb_attach(tda827x_attach, fe, 0x61, &adap->dev->i2c_adap, &tda827x_config) == NULL) {
		printk(KERN_ERR "%s: No tda827x found!\n", __func__);
		return -ENODEV;
	}
	return 0;
}

static int ttusb2_tuner_tda826x_attach(struct dvb_usb_adapter *adap)
{
	if (dvb_attach(tda826x_attach, adap->fe_adap[0].fe, 0x60, &adap->dev->i2c_adap, 0) == NULL) {
		deb_info("TDA8263 attach failed\n");
		return -ENODEV;
	}

	if (dvb_attach(lnbp21_attach, adap->fe_adap[0].fe, &adap->dev->i2c_adap, 0, 0) == NULL) {
		deb_info("LNBP21 attach failed\n");
		return -ENODEV;
	}
	return 0;
}

/* DVB USB Driver stuff */
static struct dvb_usb_device_properties ttusb2_properties;
static struct dvb_usb_device_properties ttusb2_properties_s2400;
static struct dvb_usb_device_properties ttusb2_properties_ct3650;

static void ttusb2_usb_disconnect(struct usb_interface *intf)
{
	struct dvb_usb_device *d = usb_get_intfdata(intf);

	tt3650_ci_uninit(d);
	dvb_usb_device_exit(intf);
}

static int ttusb2_probe(struct usb_interface *intf,
		const struct usb_device_id *id)
{
	if (0 == dvb_usb_device_init(intf, &ttusb2_properties,
				     THIS_MODULE, NULL, adapter_nr) ||
	    0 == dvb_usb_device_init(intf, &ttusb2_properties_s2400,
				     THIS_MODULE, NULL, adapter_nr) ||
	    0 == dvb_usb_device_init(intf, &ttusb2_properties_ct3650,
				     THIS_MODULE, NULL, adapter_nr))
		return 0;
	return -ENODEV;
}

static struct usb_device_id ttusb2_table [] = {
	{ USB_DEVICE(USB_VID_PINNACLE, USB_PID_PCTV_400E) },
	{ USB_DEVICE(USB_VID_PINNACLE, USB_PID_PCTV_450E) },
	{ USB_DEVICE(USB_VID_TECHNOTREND,
		USB_PID_TECHNOTREND_CONNECT_S2400) },
	{ USB_DEVICE(USB_VID_TECHNOTREND,
		USB_PID_TECHNOTREND_CONNECT_CT3650) },
	{ USB_DEVICE(USB_VID_TECHNOTREND,
		USB_PID_TECHNOTREND_CONNECT_S2400_8KEEPROM) },
	{}		/* Terminating entry */
};
MODULE_DEVICE_TABLE (usb, ttusb2_table);

static struct dvb_usb_device_properties ttusb2_properties = {
	.caps = DVB_USB_IS_AN_I2C_ADAPTER,

	.usb_ctrl = CYPRESS_FX2,
	.firmware = "dvb-usb-pctv-400e-01.fw",

	.size_of_priv = sizeof(struct ttusb2_state),

	.num_adapters = 1,
	.adapter = {
		{
		.num_frontends = 1,
		.fe = {{
			.streaming_ctrl   = NULL, // ttusb2_streaming_ctrl,

			.frontend_attach  = ttusb2_frontend_tda10086_attach,
			.tuner_attach     = ttusb2_tuner_tda826x_attach,

			/* parameter for the MPEG2-data transfer */
			.stream = {
				.type = USB_ISOC,
				.count = 5,
				.endpoint = 0x02,
				.u = {
					.isoc = {
						.framesperurb = 4,
						.framesize = 940,
						.interval = 1,
					}
				}
			}
		}},
		}
	},

	.power_ctrl       = ttusb2_power_ctrl,
	.identify_state   = ttusb2_identify_state,

	.i2c_algo         = &ttusb2_i2c_algo,

	.generic_bulk_ctrl_endpoint = 0x01,

	.num_device_descs = 2,
	.devices = {
		{   "Pinnacle 400e DVB-S USB2.0",
			{ &ttusb2_table[0], NULL },
			{ NULL },
		},
		{   "Pinnacle 450e DVB-S USB2.0",
			{ &ttusb2_table[1], NULL },
			{ NULL },
		},
	}
};

static struct dvb_usb_device_properties ttusb2_properties_s2400 = {
	.caps = DVB_USB_IS_AN_I2C_ADAPTER,

	.usb_ctrl = CYPRESS_FX2,
	.firmware = "dvb-usb-tt-s2400-01.fw",

	.size_of_priv = sizeof(struct ttusb2_state),

	.num_adapters = 1,
	.adapter = {
		{
		.num_frontends = 1,
		.fe = {{
			.streaming_ctrl   = NULL,

			.frontend_attach  = ttusb2_frontend_tda10086_attach,
			.tuner_attach     = ttusb2_tuner_tda826x_attach,

			/* parameter for the MPEG2-data transfer */
			.stream = {
				.type = USB_ISOC,
				.count = 5,
				.endpoint = 0x02,
				.u = {
					.isoc = {
						.framesperurb = 4,
						.framesize = 940,
						.interval = 1,
					}
				}
			}
		}},
		}
	},

	.power_ctrl       = ttusb2_power_ctrl,
	.identify_state   = ttusb2_identify_state,

	.i2c_algo         = &ttusb2_i2c_algo,

	.generic_bulk_ctrl_endpoint = 0x01,

	.num_device_descs = 2,
	.devices = {
		{   "Technotrend TT-connect S-2400",
			{ &ttusb2_table[2], NULL },
			{ NULL },
		},
		{   "Technotrend TT-connect S-2400 (8kB EEPROM)",
			{ &ttusb2_table[4], NULL },
			{ NULL },
		},
	}
};

static struct dvb_usb_device_properties ttusb2_properties_ct3650 = {
	.caps = DVB_USB_IS_AN_I2C_ADAPTER,

	.usb_ctrl = CYPRESS_FX2,

	.size_of_priv = sizeof(struct ttusb2_state),

	.rc.core = {
		.rc_interval      = 150, /* Less than IR_KEYPRESS_TIMEOUT */
		.rc_codes         = RC_MAP_TT_1500,
		.rc_query         = tt3650_rc_query,
		.allowed_protos   = RC_BIT_RC5,
	},

	.num_adapters = 1,
	.adapter = {
		{
		.num_frontends = 2,
		.fe = {{
			.streaming_ctrl   = NULL,

			.frontend_attach  = ttusb2_frontend_tda10023_attach,
			.tuner_attach = ttusb2_tuner_tda827x_attach,

			/* parameter for the MPEG2-data transfer */
			.stream = {
				.type = USB_ISOC,
				.count = 5,
				.endpoint = 0x02,
				.u = {
					.isoc = {
						.framesperurb = 4,
						.framesize = 940,
						.interval = 1,
					}
				}
			}
		}, {
			.streaming_ctrl   = NULL,

			.frontend_attach  = ttusb2_frontend_tda10023_attach,
			.tuner_attach = ttusb2_tuner_tda827x_attach,

			/* parameter for the MPEG2-data transfer */
			.stream = {
				.type = USB_ISOC,
				.count = 5,
				.endpoint = 0x02,
				.u = {
					.isoc = {
						.framesperurb = 4,
						.framesize = 940,
						.interval = 1,
					}
				}
			}
		}},
		},
	},

	.power_ctrl       = ttusb2_power_ctrl,
	.identify_state   = ttusb2_identify_state,

	.i2c_algo         = &ttusb2_i2c_algo,

	.generic_bulk_ctrl_endpoint = 0x01,

	.num_device_descs = 1,
	.devices = {
		{   "Technotrend TT-connect CT-3650",
			.warm_ids = { &ttusb2_table[3], NULL },
		},
	}
};

static struct usb_driver ttusb2_driver = {
	.name		= "dvb_usb_ttusb2",
	.probe		= ttusb2_probe,
	.disconnect	= ttusb2_usb_disconnect,
	.id_table	= ttusb2_table,
};

module_usb_driver(ttusb2_driver);

MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
MODULE_DESCRIPTION("Driver for Pinnacle PCTV 400e DVB-S USB2.0");
MODULE_VERSION("1.0");
MODULE_LICENSE("GPL");