drivers/media/usb/dvb-usb-v2/ec168.c - nest-cam/v366/kernel_backports - Git at Google

 /*
  * E3C EC168 DVB USB driver
  *
  * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
  *
  *    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; either version 2 of the License, or
  *    (at your option) any later version.
  *
  *    This program is distributed in the hope that it will be useful,
  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *    GNU General Public License for more details.
  *
  *    You should have received a copy of the GNU General Public License
  *    along with this program; if not, write to the Free Software
  *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  *
  */

 #include "ec168.h"
 #include "ec100.h"
 #include "mxl5005s.h"

 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

 static int ec168_ctrl_msg(struct dvb_usb_device *d, struct ec168_req *req)
 {
 	int ret;
 	unsigned int pipe;
 	u8 request, requesttype;
 	u8 *buf;

 	switch (req->cmd) {
 	case DOWNLOAD_FIRMWARE:
 	case GPIO:
 	case WRITE_I2C:
 	case STREAMING_CTRL:
 		requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT);
 		request = req->cmd;
 		break;
 	case READ_I2C:
 		requesttype = (USB_TYPE_VENDOR | USB_DIR_IN);
 		request = req->cmd;
 		break;
 	case GET_CONFIG:
 		requesttype = (USB_TYPE_VENDOR | USB_DIR_IN);
 		request = CONFIG;
 		break;
 	case SET_CONFIG:
 		requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT);
 		request = CONFIG;
 		break;
 	case WRITE_DEMOD:
 		requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT);
 		request = DEMOD_RW;
 		break;
 	case READ_DEMOD:
 		requesttype = (USB_TYPE_VENDOR | USB_DIR_IN);
 		request = DEMOD_RW;
 		break;
 	default:
 		dev_err(&d->udev->dev, "%s: unknown command=%02x\n",
 				KBUILD_MODNAME, req->cmd);
 		ret = -EINVAL;
 		goto error;
 	}

 	buf = kmalloc(req->size, GFP_KERNEL);
 	if (!buf) {
 		ret = -ENOMEM;
 		goto error;
 	}

 	if (requesttype == (USB_TYPE_VENDOR | USB_DIR_OUT)) {
 		/* write */
 		memcpy(buf, req->data, req->size);
 		pipe = usb_sndctrlpipe(d->udev, 0);
 	} else {
 		/* read */
 		pipe = usb_rcvctrlpipe(d->udev, 0);
 	}

 	msleep(1); /* avoid I2C errors */

 	ret = usb_control_msg(d->udev, pipe, request, requesttype, req->value,
 		req->index, buf, req->size, EC168_USB_TIMEOUT);

 	dvb_usb_dbg_usb_control_msg(d->udev, request, requesttype, req->value,
 			req->index, buf, req->size);

 	if (ret < 0)
 		goto err_dealloc;
 	else
 		ret = 0;

 	/* read request, copy returned data to return buf */
 	if (!ret && requesttype == (USB_TYPE_VENDOR | USB_DIR_IN))
 		memcpy(req->data, buf, req->size);

 	kfree(buf);
 	return ret;

 err_dealloc:
 	kfree(buf);
 error:
 	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 	return ret;
 }

 /* I2C */
 static struct ec100_config ec168_ec100_config;

 static int ec168_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
 	int num)
 {
 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
 	struct ec168_req req;
 	int i = 0;
 	int ret;

 	if (num > 2)
 		return -EINVAL;

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

 	while (i < num) {
 		if (num > i + 1 && (msg[i+1].flags & I2C_M_RD)) {
 			if (msg[i].addr == ec168_ec100_config.demod_address) {
 				req.cmd = READ_DEMOD;
 				req.value = 0;
 				req.index = 0xff00 + msg[i].buf[0]; /* reg */
 				req.size = msg[i+1].len; /* bytes to read */
 				req.data = &msg[i+1].buf[0];
 				ret = ec168_ctrl_msg(d, &req);
 				i += 2;
 			} else {
 				dev_err(&d->udev->dev, "%s: I2C read not " \
 						"implemented\n",
 						KBUILD_MODNAME);
 				ret = -EOPNOTSUPP;
 				i += 2;
 			}
 		} else {
 			if (msg[i].addr == ec168_ec100_config.demod_address) {
 				req.cmd = WRITE_DEMOD;
 				req.value = msg[i].buf[1]; /* val */
 				req.index = 0xff00 + msg[i].buf[0]; /* reg */
 				req.size = 0;
 				req.data = NULL;
 				ret = ec168_ctrl_msg(d, &req);
 				i += 1;
 			} else {
 				req.cmd = WRITE_I2C;
 				req.value = msg[i].buf[0]; /* val */
 				req.index = 0x0100 + msg[i].addr; /* I2C addr */
 				req.size = msg[i].len-1;
 				req.data = &msg[i].buf[1];
 				ret = ec168_ctrl_msg(d, &req);
 				i += 1;
 			}
 		}
 		if (ret)
 			goto error;

 	}
 	ret = i;

 error:
 	mutex_unlock(&d->i2c_mutex);
 	return ret;
 }

 static u32 ec168_i2c_func(struct i2c_adapter *adapter)
 {
 	return I2C_FUNC_I2C;
 }

 static struct i2c_algorithm ec168_i2c_algo = {
 	.master_xfer   = ec168_i2c_xfer,
 	.functionality = ec168_i2c_func,
 };

 /* Callbacks for DVB USB */
 static int ec168_identify_state(struct dvb_usb_device *d, const char **name)
 {
 	int ret;
 	u8 reply;
 	struct ec168_req req = {GET_CONFIG, 0, 1, sizeof(reply), &reply};
 	dev_dbg(&d->udev->dev, "%s:\n", __func__);

 	ret = ec168_ctrl_msg(d, &req);
 	if (ret)
 		goto error;

 	dev_dbg(&d->udev->dev, "%s: reply=%02x\n", __func__, reply);

 	if (reply == 0x01)
 		ret = WARM;
 	else
 		ret = COLD;

 	return ret;
 error:
 	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 	return ret;
 }

 static int ec168_download_firmware(struct dvb_usb_device *d,
 		const struct firmware *fw)
 {
 	int ret, len, remaining;
 	struct ec168_req req = {DOWNLOAD_FIRMWARE, 0, 0, 0, NULL};
 	dev_dbg(&d->udev->dev, "%s:\n", __func__);

 	#define LEN_MAX 2048 /* max packet size */
 	for (remaining = fw->size; remaining > 0; remaining -= LEN_MAX) {
 		len = remaining;
 		if (len > LEN_MAX)
 			len = LEN_MAX;

 		req.size = len;
 		req.data = (u8 *) &fw->data[fw->size - remaining];
 		req.index = fw->size - remaining;

 		ret = ec168_ctrl_msg(d, &req);
 		if (ret) {
 			dev_err(&d->udev->dev,
 					"%s: firmware download failed=%d\n",
 					KBUILD_MODNAME, ret);
 			goto error;
 		}
 	}

 	req.size = 0;

 	/* set "warm"? */
 	req.cmd = SET_CONFIG;
 	req.value = 0;
 	req.index = 0x0001;
 	ret = ec168_ctrl_msg(d, &req);
 	if (ret)
 		goto error;

 	/* really needed - no idea what does */
 	req.cmd = GPIO;
 	req.value = 0;
 	req.index = 0x0206;
 	ret = ec168_ctrl_msg(d, &req);
 	if (ret)
 		goto error;

 	/* activate tuner I2C? */
 	req.cmd = WRITE_I2C;
 	req.value = 0;
 	req.index = 0x00c6;
 	ret = ec168_ctrl_msg(d, &req);
 	if (ret)
 		goto error;

 	return ret;
 error:
 	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
 	return ret;
 }

 static struct ec100_config ec168_ec100_config = {
 	.demod_address = 0xff, /* not real address, demod is integrated */
 };

 static int ec168_ec100_frontend_attach(struct dvb_usb_adapter *adap)
 {
 	struct dvb_usb_device *d = adap_to_d(adap);
 	dev_dbg(&d->udev->dev, "%s:\n", __func__);

 	adap->fe[0] = dvb_attach(ec100_attach, &ec168_ec100_config,
 			&d->i2c_adap);
 	if (adap->fe[0] == NULL)
 		return -ENODEV;

 	return 0;
 }

 static struct mxl5005s_config ec168_mxl5003s_config = {
 	.i2c_address     = 0xc6,
 	.if_freq         = IF_FREQ_4570000HZ,
 	.xtal_freq       = CRYSTAL_FREQ_16000000HZ,
 	.agc_mode        = MXL_SINGLE_AGC,
 	.tracking_filter = MXL_TF_OFF,
 	.rssi_enable     = MXL_RSSI_ENABLE,
 	.cap_select      = MXL_CAP_SEL_ENABLE,
 	.div_out         = MXL_DIV_OUT_4,
 	.clock_out       = MXL_CLOCK_OUT_DISABLE,
 	.output_load     = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
 	.top		 = MXL5005S_TOP_25P2,
 	.mod_mode        = MXL_DIGITAL_MODE,
 	.if_mode         = MXL_ZERO_IF,
 	.AgcMasterByte   = 0x00,
 };

 static int ec168_mxl5003s_tuner_attach(struct dvb_usb_adapter *adap)
 {
 	struct dvb_usb_device *d = adap_to_d(adap);
 	dev_dbg(&d->udev->dev, "%s:\n", __func__);

 	return dvb_attach(mxl5005s_attach, adap->fe[0], &d->i2c_adap,
 			&ec168_mxl5003s_config) == NULL ? -ENODEV : 0;
 }

 static int ec168_streaming_ctrl(struct dvb_frontend *fe, int onoff)
 {
 	struct dvb_usb_device *d = fe_to_d(fe);
 	struct ec168_req req = {STREAMING_CTRL, 0x7f01, 0x0202, 0, NULL};
 	dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff);

 	if (onoff)
 		req.index = 0x0102;
 	return ec168_ctrl_msg(d, &req);
 }

 /* DVB USB Driver stuff */
 /* bInterfaceNumber 0 is HID
  * bInterfaceNumber 1 is DVB-T */
 static struct dvb_usb_device_properties ec168_props = {
 	.driver_name = KBUILD_MODNAME,
 	.owner = THIS_MODULE,
 	.adapter_nr = adapter_nr,
 	.bInterfaceNumber = 1,

 	.identify_state = ec168_identify_state,
 	.firmware = EC168_FIRMWARE,
 	.download_firmware = ec168_download_firmware,

 	.i2c_algo = &ec168_i2c_algo,
 	.frontend_attach = ec168_ec100_frontend_attach,
 	.tuner_attach = ec168_mxl5003s_tuner_attach,
 	.streaming_ctrl = ec168_streaming_ctrl,

 	.num_adapters = 1,
 	.adapter = {
 		{
 			.stream = DVB_USB_STREAM_BULK(0x82, 6, 32 * 512),
 		}
 	},
 };

 static const struct dvb_usb_driver_info ec168_driver_info = {
 	.name = "E3C EC168 reference design",
 	.props = &ec168_props,
 };

 static const struct usb_device_id ec168_id[] = {
 	{ USB_DEVICE(USB_VID_E3C, USB_PID_E3C_EC168),
 		.driver_info = (kernel_ulong_t) &ec168_driver_info },
 	{ USB_DEVICE(USB_VID_E3C, USB_PID_E3C_EC168_2),
 		.driver_info = (kernel_ulong_t) &ec168_driver_info },
 	{ USB_DEVICE(USB_VID_E3C, USB_PID_E3C_EC168_3),
 		.driver_info = (kernel_ulong_t) &ec168_driver_info },
 	{ USB_DEVICE(USB_VID_E3C, USB_PID_E3C_EC168_4),
 		.driver_info = (kernel_ulong_t) &ec168_driver_info },
 	{ USB_DEVICE(USB_VID_E3C, USB_PID_E3C_EC168_5),
 		.driver_info = (kernel_ulong_t) &ec168_driver_info },
 	{}
 };
 MODULE_DEVICE_TABLE(usb, ec168_id);

 static struct usb_driver ec168_driver = {
 	.name = KBUILD_MODNAME,
 	.id_table = ec168_id,
 	.probe = dvb_usbv2_probe,
 	.disconnect = dvb_usbv2_disconnect,
 	.suspend = dvb_usbv2_suspend,
 	.resume = dvb_usbv2_resume,
 	.no_dynamic_id = 1,
 	.soft_unbind = 1,
 };

 module_usb_driver(ec168_driver);

 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
 MODULE_DESCRIPTION("E3C EC168 driver");
 MODULE_LICENSE("GPL");
 MODULE_FIRMWARE(EC168_FIRMWARE);
	/*
	* E3C EC168 DVB USB driver
	*
	* Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
	*
	* 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; either version 2 of the License, or
	* (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	*
	*/

	#include "ec168.h"
	#include "ec100.h"
	#include "mxl5005s.h"

	DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

	static int ec168_ctrl_msg(struct dvb_usb_device d, struct ec168_req req)
	{
	int ret;
	unsigned int pipe;
	u8 request, requesttype;
	u8 *buf;

	switch (req->cmd) {
	case DOWNLOAD_FIRMWARE:
	case GPIO:
	case WRITE_I2C:
	case STREAMING_CTRL:
	requesttype = (USB_TYPE_VENDOR \| USB_DIR_OUT);
	request = req->cmd;
	break;
	case READ_I2C:
	requesttype = (USB_TYPE_VENDOR \| USB_DIR_IN);
	request = req->cmd;
	break;
	case GET_CONFIG:
	requesttype = (USB_TYPE_VENDOR \| USB_DIR_IN);
	request = CONFIG;
	break;
	case SET_CONFIG:
	requesttype = (USB_TYPE_VENDOR \| USB_DIR_OUT);
	request = CONFIG;
	break;
	case WRITE_DEMOD:
	requesttype = (USB_TYPE_VENDOR \| USB_DIR_OUT);
	request = DEMOD_RW;
	break;
	case READ_DEMOD:
	requesttype = (USB_TYPE_VENDOR \| USB_DIR_IN);
	request = DEMOD_RW;
	break;
	default:
	dev_err(&d->udev->dev, "%s: unknown command=%02x\n",
	KBUILD_MODNAME, req->cmd);
	ret = -EINVAL;
	goto error;
	}

	buf = kmalloc(req->size, GFP_KERNEL);
	if (!buf) {
	ret = -ENOMEM;
	goto error;
	}

	if (requesttype == (USB_TYPE_VENDOR \| USB_DIR_OUT)) {
	/* write */
	memcpy(buf, req->data, req->size);
	pipe = usb_sndctrlpipe(d->udev, 0);
	} else {
	/* read */
	pipe = usb_rcvctrlpipe(d->udev, 0);
	}

	msleep(1); /* avoid I2C errors */

	ret = usb_control_msg(d->udev, pipe, request, requesttype, req->value,
	req->index, buf, req->size, EC168_USB_TIMEOUT);

	dvb_usb_dbg_usb_control_msg(d->udev, request, requesttype, req->value,
	req->index, buf, req->size);

	if (ret < 0)
	goto err_dealloc;
	else
	ret = 0;

	/* read request, copy returned data to return buf */
	if (!ret && requesttype == (USB_TYPE_VENDOR \| USB_DIR_IN))
	memcpy(req->data, buf, req->size);

	kfree(buf);
	return ret;

	err_dealloc:
	kfree(buf);
	error:
	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
	}

	/* I2C */
	static struct ec100_config ec168_ec100_config;

	static int ec168_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
	int num)
	{
	struct dvb_usb_device *d = i2c_get_adapdata(adap);
	struct ec168_req req;
	int i = 0;
	int ret;

	if (num > 2)
	return -EINVAL;

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

	while (i < num) {
	if (num > i + 1 && (msg[i+1].flags & I2C_M_RD)) {
	if (msg[i].addr == ec168_ec100_config.demod_address) {
	req.cmd = READ_DEMOD;
	req.value = 0;
	req.index = 0xff00 + msg[i].buf[0]; /* reg */
	req.size = msg[i+1].len; /* bytes to read */
	req.data = &msg[i+1].buf[0];
	ret = ec168_ctrl_msg(d, &req);
	i += 2;
	} else {
	dev_err(&d->udev->dev, "%s: I2C read not " \
	"implemented\n",
	KBUILD_MODNAME);
	ret = -EOPNOTSUPP;
	i += 2;
	}
	} else {
	if (msg[i].addr == ec168_ec100_config.demod_address) {
	req.cmd = WRITE_DEMOD;
	req.value = msg[i].buf[1]; /* val */
	req.index = 0xff00 + msg[i].buf[0]; /* reg */
	req.size = 0;
	req.data = NULL;
	ret = ec168_ctrl_msg(d, &req);
	i += 1;
	} else {
	req.cmd = WRITE_I2C;
	req.value = msg[i].buf[0]; /* val */
	req.index = 0x0100 + msg[i].addr; /* I2C addr */
	req.size = msg[i].len-1;
	req.data = &msg[i].buf[1];
	ret = ec168_ctrl_msg(d, &req);
	i += 1;
	}
	}
	if (ret)
	goto error;

	}
	ret = i;

	error:
	mutex_unlock(&d->i2c_mutex);
	return ret;
	}

	static u32 ec168_i2c_func(struct i2c_adapter *adapter)
	{
	return I2C_FUNC_I2C;
	}

	static struct i2c_algorithm ec168_i2c_algo = {
	.master_xfer = ec168_i2c_xfer,
	.functionality = ec168_i2c_func,
	};

	/* Callbacks for DVB USB */
	static int ec168_identify_state(struct dvb_usb_device d, const char *name)
	{
	int ret;
	u8 reply;
	struct ec168_req req = {GET_CONFIG, 0, 1, sizeof(reply), &reply};
	dev_dbg(&d->udev->dev, "%s:\n", __func__);

	ret = ec168_ctrl_msg(d, &req);
	if (ret)
	goto error;

	dev_dbg(&d->udev->dev, "%s: reply=%02x\n", __func__, reply);

	if (reply == 0x01)
	ret = WARM;
	else
	ret = COLD;

	return ret;
	error:
	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
	}

	static int ec168_download_firmware(struct dvb_usb_device *d,
	const struct firmware *fw)
	{
	int ret, len, remaining;
	struct ec168_req req = {DOWNLOAD_FIRMWARE, 0, 0, 0, NULL};
	dev_dbg(&d->udev->dev, "%s:\n", __func__);

	#define LEN_MAX 2048 /* max packet size */
	for (remaining = fw->size; remaining > 0; remaining -= LEN_MAX) {
	len = remaining;
	if (len > LEN_MAX)
	len = LEN_MAX;

	req.size = len;
	req.data = (u8 *) &fw->data[fw->size - remaining];
	req.index = fw->size - remaining;

	ret = ec168_ctrl_msg(d, &req);
	if (ret) {
	dev_err(&d->udev->dev,
	"%s: firmware download failed=%d\n",
	KBUILD_MODNAME, ret);
	goto error;
	}
	}

	req.size = 0;

	/* set "warm"? */
	req.cmd = SET_CONFIG;
	req.value = 0;
	req.index = 0x0001;
	ret = ec168_ctrl_msg(d, &req);
	if (ret)
	goto error;

	/* really needed - no idea what does */
	req.cmd = GPIO;
	req.value = 0;
	req.index = 0x0206;
	ret = ec168_ctrl_msg(d, &req);
	if (ret)
	goto error;

	/* activate tuner I2C? */
	req.cmd = WRITE_I2C;
	req.value = 0;
	req.index = 0x00c6;
	ret = ec168_ctrl_msg(d, &req);
	if (ret)
	goto error;

	return ret;
	error:
	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
	}

	static struct ec100_config ec168_ec100_config = {
	.demod_address = 0xff, /* not real address, demod is integrated */
	};

	static int ec168_ec100_frontend_attach(struct dvb_usb_adapter *adap)
	{
	struct dvb_usb_device *d = adap_to_d(adap);
	dev_dbg(&d->udev->dev, "%s:\n", __func__);

	adap->fe[0] = dvb_attach(ec100_attach, &ec168_ec100_config,
	&d->i2c_adap);
	if (adap->fe[0] == NULL)
	return -ENODEV;

	return 0;
	}

	static struct mxl5005s_config ec168_mxl5003s_config = {
	.i2c_address = 0xc6,
	.if_freq = IF_FREQ_4570000HZ,
	.xtal_freq = CRYSTAL_FREQ_16000000HZ,
	.agc_mode = MXL_SINGLE_AGC,
	.tracking_filter = MXL_TF_OFF,
	.rssi_enable = MXL_RSSI_ENABLE,
	.cap_select = MXL_CAP_SEL_ENABLE,
	.div_out = MXL_DIV_OUT_4,
	.clock_out = MXL_CLOCK_OUT_DISABLE,
	.output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
	.top = MXL5005S_TOP_25P2,
	.mod_mode = MXL_DIGITAL_MODE,
	.if_mode = MXL_ZERO_IF,
	.AgcMasterByte = 0x00,
	};

	static int ec168_mxl5003s_tuner_attach(struct dvb_usb_adapter *adap)
	{
	struct dvb_usb_device *d = adap_to_d(adap);
	dev_dbg(&d->udev->dev, "%s:\n", __func__);

	return dvb_attach(mxl5005s_attach, adap->fe[0], &d->i2c_adap,
	&ec168_mxl5003s_config) == NULL ? -ENODEV : 0;
	}

	static int ec168_streaming_ctrl(struct dvb_frontend *fe, int onoff)
	{
	struct dvb_usb_device *d = fe_to_d(fe);
	struct ec168_req req = {STREAMING_CTRL, 0x7f01, 0x0202, 0, NULL};
	dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff);

	if (onoff)
	req.index = 0x0102;
	return ec168_ctrl_msg(d, &req);
	}

	/* DVB USB Driver stuff */
	/* bInterfaceNumber 0 is HID
	* bInterfaceNumber 1 is DVB-T */
	static struct dvb_usb_device_properties ec168_props = {
	.driver_name = KBUILD_MODNAME,
	.owner = THIS_MODULE,
	.adapter_nr = adapter_nr,
	.bInterfaceNumber = 1,

	.identify_state = ec168_identify_state,
	.firmware = EC168_FIRMWARE,
	.download_firmware = ec168_download_firmware,

	.i2c_algo = &ec168_i2c_algo,
	.frontend_attach = ec168_ec100_frontend_attach,
	.tuner_attach = ec168_mxl5003s_tuner_attach,
	.streaming_ctrl = ec168_streaming_ctrl,

	.num_adapters = 1,
	.adapter = {
	{
	.stream = DVB_USB_STREAM_BULK(0x82, 6, 32 * 512),
	}
	},
	};

	static const struct dvb_usb_driver_info ec168_driver_info = {
	.name = "E3C EC168 reference design",
	.props = &ec168_props,
	};

	static const struct usb_device_id ec168_id[] = {
	{ USB_DEVICE(USB_VID_E3C, USB_PID_E3C_EC168),
	.driver_info = (kernel_ulong_t) &ec168_driver_info },
	{ USB_DEVICE(USB_VID_E3C, USB_PID_E3C_EC168_2),
	.driver_info = (kernel_ulong_t) &ec168_driver_info },
	{ USB_DEVICE(USB_VID_E3C, USB_PID_E3C_EC168_3),
	.driver_info = (kernel_ulong_t) &ec168_driver_info },
	{ USB_DEVICE(USB_VID_E3C, USB_PID_E3C_EC168_4),
	.driver_info = (kernel_ulong_t) &ec168_driver_info },
	{ USB_DEVICE(USB_VID_E3C, USB_PID_E3C_EC168_5),
	.driver_info = (kernel_ulong_t) &ec168_driver_info },
	{}
	};
	MODULE_DEVICE_TABLE(usb, ec168_id);

	static struct usb_driver ec168_driver = {
	.name = KBUILD_MODNAME,
	.id_table = ec168_id,
	.probe = dvb_usbv2_probe,
	.disconnect = dvb_usbv2_disconnect,
	.suspend = dvb_usbv2_suspend,
	.resume = dvb_usbv2_resume,
	.no_dynamic_id = 1,
	.soft_unbind = 1,
	};

	module_usb_driver(ec168_driver);

	MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
	MODULE_DESCRIPTION("E3C EC168 driver");
	MODULE_LICENSE("GPL");
	MODULE_FIRMWARE(EC168_FIRMWARE);