268 lines
6.4 KiB
C
268 lines
6.4 KiB
C
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/*
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* TerraTec Cinergy T2/qanu USB2 DVB-T adapter.
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*
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* Copyright (C) 2007 Tomi Orava (tomimo@ncircle.nullnet.fi)
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*
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* Based on the dvb-usb-framework code and the
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* original Terratec Cinergy T2 driver by:
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*
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* Copyright (C) 2004 Daniel Mack <daniel@qanu.de> and
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* Holger Waechtler <holger@qanu.de>
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*
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* Protocol Spec published on http://qanu.de/specs/terratec_cinergyT2.pdf
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#include "cinergyT2.h"
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/* debug */
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int dvb_usb_cinergyt2_debug;
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module_param_named(debug, dvb_usb_cinergyt2_debug, int, 0644);
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MODULE_PARM_DESC(debug, "set debugging level (1=info, xfer=2, rc=4 "
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"(or-able)).");
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DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
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struct cinergyt2_state {
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u8 rc_counter;
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};
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/* We are missing a release hook with usb_device data */
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static struct dvb_usb_device *cinergyt2_usb_device;
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static struct dvb_usb_device_properties cinergyt2_properties;
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static int cinergyt2_streaming_ctrl(struct dvb_usb_adapter *adap, int enable)
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{
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char buf[] = { CINERGYT2_EP1_CONTROL_STREAM_TRANSFER, enable ? 1 : 0 };
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char result[64];
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return dvb_usb_generic_rw(adap->dev, buf, sizeof(buf), result,
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sizeof(result), 0);
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}
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static int cinergyt2_power_ctrl(struct dvb_usb_device *d, int enable)
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{
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char buf[] = { CINERGYT2_EP1_SLEEP_MODE, enable ? 0 : 1 };
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char state[3];
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return dvb_usb_generic_rw(d, buf, sizeof(buf), state, sizeof(state), 0);
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}
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static int cinergyt2_frontend_attach(struct dvb_usb_adapter *adap)
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{
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char query[] = { CINERGYT2_EP1_GET_FIRMWARE_VERSION };
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char state[3];
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int ret;
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adap->fe = cinergyt2_fe_attach(adap->dev);
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ret = dvb_usb_generic_rw(adap->dev, query, sizeof(query), state,
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sizeof(state), 0);
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if (ret < 0) {
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deb_rc("cinergyt2_power_ctrl() Failed to retrieve sleep "
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"state info\n");
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}
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/* Copy this pointer as we are gonna need it in the release phase */
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cinergyt2_usb_device = adap->dev;
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return 0;
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}
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static struct dvb_usb_rc_key cinergyt2_rc_keys[] = {
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{ 0x0401, KEY_POWER },
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{ 0x0402, KEY_1 },
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{ 0x0403, KEY_2 },
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{ 0x0404, KEY_3 },
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{ 0x0405, KEY_4 },
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{ 0x0406, KEY_5 },
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{ 0x0407, KEY_6 },
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{ 0x0408, KEY_7 },
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{ 0x0409, KEY_8 },
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{ 0x040a, KEY_9 },
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{ 0x040c, KEY_0 },
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{ 0x040b, KEY_VIDEO },
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{ 0x040d, KEY_REFRESH },
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{ 0x040e, KEY_SELECT },
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{ 0x040f, KEY_EPG },
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{ 0x0410, KEY_UP },
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{ 0x0414, KEY_DOWN },
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{ 0x0411, KEY_LEFT },
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{ 0x0413, KEY_RIGHT },
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{ 0x0412, KEY_OK },
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{ 0x0415, KEY_TEXT },
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{ 0x0416, KEY_INFO },
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{ 0x0417, KEY_RED },
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{ 0x0418, KEY_GREEN },
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{ 0x0419, KEY_YELLOW },
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{ 0x041a, KEY_BLUE },
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{ 0x041c, KEY_VOLUMEUP },
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{ 0x041e, KEY_VOLUMEDOWN },
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{ 0x041d, KEY_MUTE },
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{ 0x041b, KEY_CHANNELUP },
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{ 0x041f, KEY_CHANNELDOWN },
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{ 0x0440, KEY_PAUSE },
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{ 0x044c, KEY_PLAY },
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{ 0x0458, KEY_RECORD },
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{ 0x0454, KEY_PREVIOUS },
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{ 0x0448, KEY_STOP },
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{ 0x045c, KEY_NEXT }
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};
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/* Number of keypresses to ignore before detect repeating */
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#define RC_REPEAT_DELAY 3
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static int repeatable_keys[] = {
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KEY_UP,
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KEY_DOWN,
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KEY_LEFT,
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KEY_RIGHT,
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KEY_VOLUMEUP,
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KEY_VOLUMEDOWN,
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KEY_CHANNELUP,
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KEY_CHANNELDOWN
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};
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static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
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{
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struct cinergyt2_state *st = d->priv;
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u8 key[5] = {0, 0, 0, 0, 0}, cmd = CINERGYT2_EP1_GET_RC_EVENTS;
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int i;
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*state = REMOTE_NO_KEY_PRESSED;
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dvb_usb_generic_rw(d, &cmd, 1, key, sizeof(key), 0);
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if (key[4] == 0xff) {
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/* key repeat */
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st->rc_counter++;
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if (st->rc_counter > RC_REPEAT_DELAY) {
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for (i = 0; i < ARRAY_SIZE(repeatable_keys); i++) {
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if (d->last_event == repeatable_keys[i]) {
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*state = REMOTE_KEY_REPEAT;
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*event = d->last_event;
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deb_rc("repeat key, event %x\n",
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*event);
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return 0;
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}
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}
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deb_rc("repeated key (non repeatable)\n");
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}
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return 0;
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}
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/* hack to pass checksum on the custom field */
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key[2] = ~key[1];
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dvb_usb_nec_rc_key_to_event(d, key, event, state);
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if (key[0] != 0) {
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if (*event != d->last_event)
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st->rc_counter = 0;
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deb_rc("key: %x %x %x %x %x\n",
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key[0], key[1], key[2], key[3], key[4]);
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}
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return 0;
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}
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static int cinergyt2_usb_probe(struct usb_interface *intf,
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const struct usb_device_id *id)
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{
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return dvb_usb_device_init(intf, &cinergyt2_properties,
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THIS_MODULE, NULL, adapter_nr);
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}
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static struct usb_device_id cinergyt2_usb_table[] = {
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{ USB_DEVICE(USB_VID_TERRATEC, 0x0038) },
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{ 0 }
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};
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MODULE_DEVICE_TABLE(usb, cinergyt2_usb_table);
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static struct dvb_usb_device_properties cinergyt2_properties = {
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.size_of_priv = sizeof(struct cinergyt2_state),
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.num_adapters = 1,
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.adapter = {
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{
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.streaming_ctrl = cinergyt2_streaming_ctrl,
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.frontend_attach = cinergyt2_frontend_attach,
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/* parameter for the MPEG2-data transfer */
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.stream = {
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.type = USB_BULK,
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.count = 5,
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.endpoint = 0x02,
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.u = {
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.bulk = {
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.buffersize = 512,
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}
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}
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},
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}
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},
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.power_ctrl = cinergyt2_power_ctrl,
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.rc_interval = 50,
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.rc_key_map = cinergyt2_rc_keys,
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.rc_key_map_size = ARRAY_SIZE(cinergyt2_rc_keys),
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.rc_query = cinergyt2_rc_query,
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.generic_bulk_ctrl_endpoint = 1,
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.num_device_descs = 1,
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.devices = {
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{ .name = "TerraTec/qanu USB2.0 Highspeed DVB-T Receiver",
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.cold_ids = {NULL},
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.warm_ids = { &cinergyt2_usb_table[0], NULL },
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},
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{ NULL },
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}
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};
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static struct usb_driver cinergyt2_driver = {
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.name = "cinergyT2",
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.probe = cinergyt2_usb_probe,
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.disconnect = dvb_usb_device_exit,
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.id_table = cinergyt2_usb_table
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};
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static int __init cinergyt2_usb_init(void)
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{
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int err;
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err = usb_register(&cinergyt2_driver);
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if (err) {
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err("usb_register() failed! (err %i)\n", err);
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return err;
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}
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return 0;
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}
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static void __exit cinergyt2_usb_exit(void)
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{
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usb_deregister(&cinergyt2_driver);
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}
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module_init(cinergyt2_usb_init);
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module_exit(cinergyt2_usb_exit);
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MODULE_DESCRIPTION("Terratec Cinergy T2 DVB-T driver");
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Tomi Orava");
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