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 };
45
46 /* We are missing a release hook with usb_device data */
47 static struct dvb_usb_device *cinergyt2_usb_device;
48
49 static struct dvb_usb_device_properties cinergyt2_properties;
50
51 static int cinergyt2_streaming_ctrl(struct dvb_usb_adapter *adap, int enable)
52 {
53 char buf[] = { CINERGYT2_EP1_CONTROL_STREAM_TRANSFER, enable ? 1 : 0 };
54 char result[64];
55 return dvb_usb_generic_rw(adap->dev, buf, sizeof(buf), result,
56 sizeof(result), 0);
57 }
58
59 static int cinergyt2_power_ctrl(struct dvb_usb_device *d, int enable)
60 {
61 char buf[] = { CINERGYT2_EP1_SLEEP_MODE, enable ? 0 : 1 };
62 char state[3];
63 return dvb_usb_generic_rw(d, buf, sizeof(buf), state, sizeof(state), 0);
64 }
65
66 static int cinergyt2_frontend_attach(struct dvb_usb_adapter *adap)
67 {
68 char query[] = { CINERGYT2_EP1_GET_FIRMWARE_VERSION };
69 char state[3];
70 int ret;
71
72 adap->fe = cinergyt2_fe_attach(adap->dev);
73
74 ret = dvb_usb_generic_rw(adap->dev, query, sizeof(query), state,
75 sizeof(state), 0);
76 if (ret < 0) {
77 deb_rc("cinergyt2_power_ctrl() Failed to retrieve sleep "
78 "state info\n");
79 }
80
81 /* Copy this pointer as we are gonna need it in the release phase */
82 cinergyt2_usb_device = adap->dev;
83
84 return 0;
85 }
86
87 static struct dvb_usb_rc_key cinergyt2_rc_keys[] = {
88 { 0x04, 0x01, KEY_POWER },
89 { 0x04, 0x02, KEY_1 },
90 { 0x04, 0x03, KEY_2 },
91 { 0x04, 0x04, KEY_3 },
92 { 0x04, 0x05, KEY_4 },
93 { 0x04, 0x06, KEY_5 },
94 { 0x04, 0x07, KEY_6 },
95 { 0x04, 0x08, KEY_7 },
96 { 0x04, 0x09, KEY_8 },
97 { 0x04, 0x0a, KEY_9 },
98 { 0x04, 0x0c, KEY_0 },
99 { 0x04, 0x0b, KEY_VIDEO },
100 { 0x04, 0x0d, KEY_REFRESH },
101 { 0x04, 0x0e, KEY_SELECT },
102 { 0x04, 0x0f, KEY_EPG },
103 { 0x04, 0x10, KEY_UP },
104 { 0x04, 0x14, KEY_DOWN },
105 { 0x04, 0x11, KEY_LEFT },
106 { 0x04, 0x13, KEY_RIGHT },
107 { 0x04, 0x12, KEY_OK },
108 { 0x04, 0x15, KEY_TEXT },
109 { 0x04, 0x16, KEY_INFO },
110 { 0x04, 0x17, KEY_RED },
111 { 0x04, 0x18, KEY_GREEN },
112 { 0x04, 0x19, KEY_YELLOW },
113 { 0x04, 0x1a, KEY_BLUE },
114 { 0x04, 0x1c, KEY_VOLUMEUP },
115 { 0x04, 0x1e, KEY_VOLUMEDOWN },
116 { 0x04, 0x1d, KEY_MUTE },
117 { 0x04, 0x1b, KEY_CHANNELUP },
118 { 0x04, 0x1f, KEY_CHANNELDOWN },
119 { 0x04, 0x40, KEY_PAUSE },
120 { 0x04, 0x4c, KEY_PLAY },
121 { 0x04, 0x58, KEY_RECORD },
122 { 0x04, 0x54, KEY_PREVIOUS },
123 { 0x04, 0x48, KEY_STOP },
124 { 0x04, 0x5c, KEY_NEXT }
125 };
126
127 /* Number of keypresses to ignore before detect repeating */
128 #define RC_REPEAT_DELAY 3
129
130 static int repeatable_keys[] = {
131 KEY_UP,
132 KEY_DOWN,
133 KEY_LEFT,
134 KEY_RIGHT,
135 KEY_VOLUMEUP,
136 KEY_VOLUMEDOWN,
137 KEY_CHANNELUP,
138 KEY_CHANNELDOWN
139 };
140
141 static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
142 {
143 struct cinergyt2_state *st = d->priv;
144 u8 key[5] = {0, 0, 0, 0, 0}, cmd = CINERGYT2_EP1_GET_RC_EVENTS;
145 int i;
146
147 *state = REMOTE_NO_KEY_PRESSED;
148
149 dvb_usb_generic_rw(d, &cmd, 1, key, sizeof(key), 0);
150 if (key[4] == 0xff) {
151 /* key repeat */
152 st->rc_counter++;
153 if (st->rc_counter > RC_REPEAT_DELAY) {
154 for (i = 0; i < ARRAY_SIZE(repeatable_keys); i++) {
155 if (d->last_event == repeatable_keys[i]) {
156 *state = REMOTE_KEY_REPEAT;
157 *event = d->last_event;
158 deb_rc("repeat key, event %x\n",
159 *event);
160 return 0;
161 }
162 }
163 deb_rc("repeated key (non repeatable)\n");
164 }
165 return 0;
166 }
167
168 /* hack to pass checksum on the custom field */
169 key[2] = ~key[1];
170 dvb_usb_nec_rc_key_to_event(d, key, event, state);
171 if (key[0] != 0) {
172 if (*event != d->last_event)
173 st->rc_counter = 0;
174
175 deb_rc("key: %x %x %x %x %x\n",
176 key[0], key[1], key[2], key[3], key[4]);
177 }
178 return 0;
179 }
180
181 static int cinergyt2_usb_probe(struct usb_interface *intf,
182 const struct usb_device_id *id)
183 {
184 return dvb_usb_device_init(intf, &cinergyt2_properties,
185 THIS_MODULE, NULL, adapter_nr);
186 }
187
188
189 static struct usb_device_id cinergyt2_usb_table[] = {
190 { USB_DEVICE(USB_VID_TERRATEC, 0x0038) },
191 { 0 }
192 };
193
194 MODULE_DEVICE_TABLE(usb, cinergyt2_usb_table);
195
196 static struct dvb_usb_device_properties cinergyt2_properties = {
197 .size_of_priv = sizeof(struct cinergyt2_state),
198 .num_adapters = 1,
199 .adapter = {
200 {
201 .streaming_ctrl = cinergyt2_streaming_ctrl,
202 .frontend_attach = cinergyt2_frontend_attach,
203
204 /* parameter for the MPEG2-data transfer */
205 .stream = {
206 .type = USB_BULK,
207 .count = 5,
208 .endpoint = 0x02,
209 .u = {
210 .bulk = {
211 .buffersize = 512,
212 }
213 }
214 },
215 }
216 },
217
218 .power_ctrl = cinergyt2_power_ctrl,
219
220 .rc_interval = 50,
221 .rc_key_map = cinergyt2_rc_keys,
222 .rc_key_map_size = ARRAY_SIZE(cinergyt2_rc_keys),
223 .rc_query = cinergyt2_rc_query,
224
225 .generic_bulk_ctrl_endpoint = 1,
226
227 .num_device_descs = 1,
228 .devices = {
229 { .name = "TerraTec/qanu USB2.0 Highspeed DVB-T Receiver",
230 .cold_ids = {NULL},
231 .warm_ids = { &cinergyt2_usb_table[0], NULL },
232 },
233 { NULL },
234 }
235 };
236
237
238 static struct usb_driver cinergyt2_driver = {
239 .name = "cinergyT2",
240 .probe = cinergyt2_usb_probe,
241 .disconnect = dvb_usb_device_exit,
242 .id_table = cinergyt2_usb_table
243 };
244
245 static int __init cinergyt2_usb_init(void)
246 {
247 int err;
248
249 err = usb_register(&cinergyt2_driver);
250 if (err) {
251 err("usb_register() failed! (err %i)\n", err);
252 return err;
253 }
254 return 0;
255 }
256
257 static void __exit cinergyt2_usb_exit(void)
258 {
259 usb_deregister(&cinergyt2_driver);
260 }
261
262 module_init(cinergyt2_usb_init);
263 module_exit(cinergyt2_usb_exit);
264
265 MODULE_DESCRIPTION("Terratec Cinergy T2 DVB-T driver");
266 MODULE_LICENSE("GPL");
267 MODULE_AUTHOR("Tomi Orava");
268
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