1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * TerraTec Cinergy T2/qanu USB2 DVB-T adapter.
5 * Copyright (C) 2007 Tomi Orava (tomimo@ncircle.nullnet.fi)
7 * Based on the dvb-usb-framework code and the
8 * original Terratec Cinergy T2 driver by:
10 * Copyright (C) 2004 Daniel Mack <daniel@qanu.de> and
11 * Holger Waechtler <holger@qanu.de>
13 * Protocol Spec published on http://qanu.de/specs/terratec_cinergyT2.pdf
16 #include "cinergyT2.h"
20 int dvb_usb_cinergyt2_debug;
22 module_param_named(debug, dvb_usb_cinergyt2_debug, int, 0644);
23 MODULE_PARM_DESC(debug, "set debugging level (1=info, xfer=2, rc=4 (or-able)).");
25 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
27 struct cinergyt2_state {
29 unsigned char data[64];
32 /* Forward declaration */
33 static const struct dvb_usb_device_properties cinergyt2_properties;
35 static int cinergyt2_streaming_ctrl(struct dvb_usb_adapter *adap, int enable)
37 struct dvb_usb_device *d = adap->dev;
38 struct cinergyt2_state *st = d->priv;
41 mutex_lock(&d->data_mutex);
42 st->data[0] = CINERGYT2_EP1_CONTROL_STREAM_TRANSFER;
43 st->data[1] = enable ? 1 : 0;
45 ret = dvb_usb_generic_rw(d, st->data, 2, st->data, 64, 0);
46 mutex_unlock(&d->data_mutex);
51 static int cinergyt2_power_ctrl(struct dvb_usb_device *d, int enable)
53 struct cinergyt2_state *st = d->priv;
56 mutex_lock(&d->data_mutex);
57 st->data[0] = CINERGYT2_EP1_SLEEP_MODE;
58 st->data[1] = enable ? 0 : 1;
60 ret = dvb_usb_generic_rw(d, st->data, 2, st->data, 3, 0);
61 mutex_unlock(&d->data_mutex);
66 static int cinergyt2_frontend_attach(struct dvb_usb_adapter *adap)
68 struct dvb_usb_device *d = adap->dev;
69 struct cinergyt2_state *st = d->priv;
72 adap->fe_adap[0].fe = cinergyt2_fe_attach(adap->dev);
74 mutex_lock(&d->data_mutex);
75 st->data[0] = CINERGYT2_EP1_GET_FIRMWARE_VERSION;
77 ret = dvb_usb_generic_rw(d, st->data, 1, st->data, 3, 0);
79 if (adap->fe_adap[0].fe)
80 adap->fe_adap[0].fe->ops.release(adap->fe_adap[0].fe);
81 deb_rc("cinergyt2_power_ctrl() Failed to retrieve sleep state info\n");
83 mutex_unlock(&d->data_mutex);
88 static struct rc_map_table rc_map_cinergyt2_table[] = {
89 { 0x0401, KEY_POWER },
100 { 0x040b, KEY_VIDEO },
101 { 0x040d, KEY_REFRESH },
102 { 0x040e, KEY_SELECT },
105 { 0x0414, KEY_DOWN },
106 { 0x0411, KEY_LEFT },
107 { 0x0413, KEY_RIGHT },
109 { 0x0415, KEY_TEXT },
110 { 0x0416, KEY_INFO },
112 { 0x0418, KEY_GREEN },
113 { 0x0419, KEY_YELLOW },
114 { 0x041a, KEY_BLUE },
115 { 0x041c, KEY_VOLUMEUP },
116 { 0x041e, KEY_VOLUMEDOWN },
117 { 0x041d, KEY_MUTE },
118 { 0x041b, KEY_CHANNELUP },
119 { 0x041f, KEY_CHANNELDOWN },
120 { 0x0440, KEY_PAUSE },
121 { 0x044c, KEY_PLAY },
122 { 0x0458, KEY_RECORD },
123 { 0x0454, KEY_PREVIOUS },
124 { 0x0448, KEY_STOP },
128 /* Number of keypresses to ignore before detect repeating */
129 #define RC_REPEAT_DELAY 3
131 static int repeatable_keys[] = {
142 static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
144 struct cinergyt2_state *st = d->priv;
147 *state = REMOTE_NO_KEY_PRESSED;
149 mutex_lock(&d->data_mutex);
150 st->data[0] = CINERGYT2_EP1_GET_RC_EVENTS;
152 ret = dvb_usb_generic_rw(d, st->data, 1, st->data, 5, 0);
156 if (st->data[4] == 0xff) {
159 if (st->rc_counter > RC_REPEAT_DELAY) {
160 for (i = 0; i < ARRAY_SIZE(repeatable_keys); i++) {
161 if (d->last_event == repeatable_keys[i]) {
162 *state = REMOTE_KEY_REPEAT;
163 *event = d->last_event;
164 deb_rc("repeat key, event %x\n",
169 deb_rc("repeated key (non repeatable)\n");
174 /* hack to pass checksum on the custom field */
175 st->data[2] = ~st->data[1];
176 dvb_usb_nec_rc_key_to_event(d, st->data, event, state);
177 if (st->data[0] != 0) {
178 if (*event != d->last_event)
181 deb_rc("key: %*ph\n", 5, st->data);
185 mutex_unlock(&d->data_mutex);
189 static int cinergyt2_usb_probe(struct usb_interface *intf,
190 const struct usb_device_id *id)
192 return dvb_usb_device_init(intf, &cinergyt2_properties,
193 THIS_MODULE, NULL, adapter_nr);
196 static struct usb_device_id cinergyt2_usb_table[] = {
197 { USB_DEVICE(USB_VID_TERRATEC, 0x0038) },
201 MODULE_DEVICE_TABLE(usb, cinergyt2_usb_table);
203 static const struct dvb_usb_device_properties cinergyt2_properties = {
204 .size_of_priv = sizeof(struct cinergyt2_state),
210 .streaming_ctrl = cinergyt2_streaming_ctrl,
211 .frontend_attach = cinergyt2_frontend_attach,
213 /* parameter for the MPEG2-data transfer */
228 .power_ctrl = cinergyt2_power_ctrl,
232 .rc_map_table = rc_map_cinergyt2_table,
233 .rc_map_size = ARRAY_SIZE(rc_map_cinergyt2_table),
234 .rc_query = cinergyt2_rc_query,
237 .generic_bulk_ctrl_endpoint = 1,
239 .num_device_descs = 1,
241 { .name = "TerraTec/qanu USB2.0 Highspeed DVB-T Receiver",
243 .warm_ids = { &cinergyt2_usb_table[0], NULL },
250 static struct usb_driver cinergyt2_driver = {
252 .probe = cinergyt2_usb_probe,
253 .disconnect = dvb_usb_device_exit,
254 .id_table = cinergyt2_usb_table
257 module_usb_driver(cinergyt2_driver);
259 MODULE_DESCRIPTION("Terratec Cinergy T2 DVB-T driver");
260 MODULE_LICENSE("GPL");
261 MODULE_AUTHOR("Tomi Orava");