1 /*
2 * TerraTec Cinergy T2/qanu USB2 DVB-T adapter.
3 *
4 * Copyright (C) 2007 Tomi Orava (tomimo@ncircle.nullnet.fi)
5 *
6 * Based on the dvb-usb-framework code and the
7 * original Terratec Cinergy T2 driver by:
8 *
9 * Copyright (C) 2004 Daniel Mack <daniel@qanu.de> and
10 * Holger Waechtler <holger@qanu.de>
11 *
12 * Protocol Spec published on http://qanu.de/specs/terratec_cinergyT2.pdf
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 *
28 */
29
30 #include "cinergyT2.h"
31
32
33 /* debug */
34 int dvb_usb_cinergyt2_debug;
35
36 module_param_named(debug, dvb_usb_cinergyt2_debug, int, 0644);
37 MODULE_PARM_DESC(debug, "set debugging level (1=info, xfer=2, rc=4 "
38 "(or-able)).");
39
40 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
41
42 struct cinergyt2_state {
43 u8 rc_counter;
44 unsigned char data[64];
45 };
46
47 /* We are missing a release hook with usb_device data */
48 static struct dvb_usb_device *cinergyt2_usb_device;
49
50 static struct dvb_usb_device_properties cinergyt2_properties;
51
cinergyt2_streaming_ctrl(struct dvb_usb_adapter * adap,int enable)52 static int cinergyt2_streaming_ctrl(struct dvb_usb_adapter *adap, int enable)
53 {
54 struct dvb_usb_device *d = adap->dev;
55 struct cinergyt2_state *st = d->priv;
56 int ret;
57
58 mutex_lock(&d->data_mutex);
59 st->data[0] = CINERGYT2_EP1_CONTROL_STREAM_TRANSFER;
60 st->data[1] = enable ? 1 : 0;
61
62 ret = dvb_usb_generic_rw(d, st->data, 2, st->data, 64, 0);
63 mutex_unlock(&d->data_mutex);
64
65 return ret;
66 }
67
cinergyt2_power_ctrl(struct dvb_usb_device * d,int enable)68 static int cinergyt2_power_ctrl(struct dvb_usb_device *d, int enable)
69 {
70 struct cinergyt2_state *st = d->priv;
71 int ret;
72
73 mutex_lock(&d->data_mutex);
74 st->data[0] = CINERGYT2_EP1_SLEEP_MODE;
75 st->data[1] = enable ? 0 : 1;
76
77 ret = dvb_usb_generic_rw(d, st->data, 2, st->data, 3, 0);
78 mutex_unlock(&d->data_mutex);
79
80 return ret;
81 }
82
cinergyt2_frontend_attach(struct dvb_usb_adapter * adap)83 static int cinergyt2_frontend_attach(struct dvb_usb_adapter *adap)
84 {
85 struct dvb_usb_device *d = adap->dev;
86 struct cinergyt2_state *st = d->priv;
87 int ret;
88
89 adap->fe_adap[0].fe = cinergyt2_fe_attach(adap->dev);
90
91 mutex_lock(&d->data_mutex);
92 st->data[0] = CINERGYT2_EP1_GET_FIRMWARE_VERSION;
93
94 ret = dvb_usb_generic_rw(d, st->data, 1, st->data, 3, 0);
95 if (ret < 0) {
96 deb_rc("cinergyt2_power_ctrl() Failed to retrieve sleep "
97 "state info\n");
98 }
99 mutex_unlock(&d->data_mutex);
100
101 /* Copy this pointer as we are gonna need it in the release phase */
102 cinergyt2_usb_device = adap->dev;
103
104 return ret;
105 }
106
107 static struct rc_map_table rc_map_cinergyt2_table[] = {
108 { 0x0401, KEY_POWER },
109 { 0x0402, KEY_1 },
110 { 0x0403, KEY_2 },
111 { 0x0404, KEY_3 },
112 { 0x0405, KEY_4 },
113 { 0x0406, KEY_5 },
114 { 0x0407, KEY_6 },
115 { 0x0408, KEY_7 },
116 { 0x0409, KEY_8 },
117 { 0x040a, KEY_9 },
118 { 0x040c, KEY_0 },
119 { 0x040b, KEY_VIDEO },
120 { 0x040d, KEY_REFRESH },
121 { 0x040e, KEY_SELECT },
122 { 0x040f, KEY_EPG },
123 { 0x0410, KEY_UP },
124 { 0x0414, KEY_DOWN },
125 { 0x0411, KEY_LEFT },
126 { 0x0413, KEY_RIGHT },
127 { 0x0412, KEY_OK },
128 { 0x0415, KEY_TEXT },
129 { 0x0416, KEY_INFO },
130 { 0x0417, KEY_RED },
131 { 0x0418, KEY_GREEN },
132 { 0x0419, KEY_YELLOW },
133 { 0x041a, KEY_BLUE },
134 { 0x041c, KEY_VOLUMEUP },
135 { 0x041e, KEY_VOLUMEDOWN },
136 { 0x041d, KEY_MUTE },
137 { 0x041b, KEY_CHANNELUP },
138 { 0x041f, KEY_CHANNELDOWN },
139 { 0x0440, KEY_PAUSE },
140 { 0x044c, KEY_PLAY },
141 { 0x0458, KEY_RECORD },
142 { 0x0454, KEY_PREVIOUS },
143 { 0x0448, KEY_STOP },
144 { 0x045c, KEY_NEXT }
145 };
146
147 /* Number of keypresses to ignore before detect repeating */
148 #define RC_REPEAT_DELAY 3
149
150 static int repeatable_keys[] = {
151 KEY_UP,
152 KEY_DOWN,
153 KEY_LEFT,
154 KEY_RIGHT,
155 KEY_VOLUMEUP,
156 KEY_VOLUMEDOWN,
157 KEY_CHANNELUP,
158 KEY_CHANNELDOWN
159 };
160
cinergyt2_rc_query(struct dvb_usb_device * d,u32 * event,int * state)161 static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
162 {
163 struct cinergyt2_state *st = d->priv;
164 int i, ret;
165
166 *state = REMOTE_NO_KEY_PRESSED;
167
168 mutex_lock(&d->data_mutex);
169 st->data[0] = CINERGYT2_EP1_GET_RC_EVENTS;
170
171 ret = dvb_usb_generic_rw(d, st->data, 1, st->data, 5, 0);
172 if (ret < 0)
173 goto ret;
174
175 if (st->data[4] == 0xff) {
176 /* key repeat */
177 st->rc_counter++;
178 if (st->rc_counter > RC_REPEAT_DELAY) {
179 for (i = 0; i < ARRAY_SIZE(repeatable_keys); i++) {
180 if (d->last_event == repeatable_keys[i]) {
181 *state = REMOTE_KEY_REPEAT;
182 *event = d->last_event;
183 deb_rc("repeat key, event %x\n",
184 *event);
185 goto ret;
186 }
187 }
188 deb_rc("repeated key (non repeatable)\n");
189 }
190 goto ret;
191 }
192
193 /* hack to pass checksum on the custom field */
194 st->data[2] = ~st->data[1];
195 dvb_usb_nec_rc_key_to_event(d, st->data, event, state);
196 if (st->data[0] != 0) {
197 if (*event != d->last_event)
198 st->rc_counter = 0;
199
200 deb_rc("key: %*ph\n", 5, st->data);
201 }
202
203 ret:
204 mutex_unlock(&d->data_mutex);
205 return ret;
206 }
207
cinergyt2_usb_probe(struct usb_interface * intf,const struct usb_device_id * id)208 static int cinergyt2_usb_probe(struct usb_interface *intf,
209 const struct usb_device_id *id)
210 {
211 return dvb_usb_device_init(intf, &cinergyt2_properties,
212 THIS_MODULE, NULL, adapter_nr);
213 }
214
215 static struct usb_device_id cinergyt2_usb_table[] = {
216 { USB_DEVICE(USB_VID_TERRATEC, 0x0038) },
217 { 0 }
218 };
219
220 MODULE_DEVICE_TABLE(usb, cinergyt2_usb_table);
221
222 static struct dvb_usb_device_properties cinergyt2_properties = {
223 .size_of_priv = sizeof(struct cinergyt2_state),
224 .num_adapters = 1,
225 .adapter = {
226 {
227 .num_frontends = 1,
228 .fe = {{
229 .streaming_ctrl = cinergyt2_streaming_ctrl,
230 .frontend_attach = cinergyt2_frontend_attach,
231
232 /* parameter for the MPEG2-data transfer */
233 .stream = {
234 .type = USB_BULK,
235 .count = 5,
236 .endpoint = 0x02,
237 .u = {
238 .bulk = {
239 .buffersize = 512,
240 }
241 }
242 },
243 }},
244 }
245 },
246
247 .power_ctrl = cinergyt2_power_ctrl,
248
249 .rc.legacy = {
250 .rc_interval = 50,
251 .rc_map_table = rc_map_cinergyt2_table,
252 .rc_map_size = ARRAY_SIZE(rc_map_cinergyt2_table),
253 .rc_query = cinergyt2_rc_query,
254 },
255
256 .generic_bulk_ctrl_endpoint = 1,
257
258 .num_device_descs = 1,
259 .devices = {
260 { .name = "TerraTec/qanu USB2.0 Highspeed DVB-T Receiver",
261 .cold_ids = {NULL},
262 .warm_ids = { &cinergyt2_usb_table[0], NULL },
263 },
264 { NULL },
265 }
266 };
267
268
269 static struct usb_driver cinergyt2_driver = {
270 .name = "cinergyT2",
271 .probe = cinergyt2_usb_probe,
272 .disconnect = dvb_usb_device_exit,
273 .id_table = cinergyt2_usb_table
274 };
275
276 module_usb_driver(cinergyt2_driver);
277
278 MODULE_DESCRIPTION("Terratec Cinergy T2 DVB-T driver");
279 MODULE_LICENSE("GPL");
280 MODULE_AUTHOR("Tomi Orava");
281