root/drivers/media/usb/dvb-usb/ttusb2.c
// SPDX-License-Identifier: GPL-2.0-only
/* 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>
 *
 * see Documentation/driver-api/media/drivers/dvb-usb.rst 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 <media/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 const 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_PROTO_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,
                                 const struct dvb_usb_device_properties *props,
                                 const 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;
}

enum {
        PINNACLE_PCTV_400E,
        PINNACLE_PCTV_450E,
        TECHNOTREND_CONNECT_S2400,
        TECHNOTREND_CONNECT_CT3650,
        TECHNOTREND_CONNECT_S2400_8KEEPROM,
};

static const struct usb_device_id ttusb2_table[] = {
        DVB_USB_DEV(PINNACLE, PINNACLE_PCTV_400E),
        DVB_USB_DEV(PINNACLE, PINNACLE_PCTV_450E),
        DVB_USB_DEV(TECHNOTREND, TECHNOTREND_CONNECT_S2400),
        DVB_USB_DEV(TECHNOTREND, TECHNOTREND_CONNECT_CT3650),
        DVB_USB_DEV(TECHNOTREND, TECHNOTREND_CONNECT_S2400_8KEEPROM),
        { }
};

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[PINNACLE_PCTV_400E], NULL },
                        { NULL },
                },
                {   "Pinnacle 450e DVB-S USB2.0",
                        { &ttusb2_table[PINNACLE_PCTV_450E], 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[TECHNOTREND_CONNECT_S2400], NULL },
                        { NULL },
                },
                {   "Technotrend TT-connect S-2400 (8kB EEPROM)",
                        { &ttusb2_table[TECHNOTREND_CONNECT_S2400_8KEEPROM], 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_PROTO_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[TECHNOTREND_CONNECT_CT3650], 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");