1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * TerraTec Cinergy T2/qanu USB2 DVB-T adapter. |
4 | * |
5 | * Copyright (C) 2007 Tomi Orava (tomimo@ncircle.nullnet.fi) |
6 | * |
7 | * Based on the dvb-usb-framework code and the |
8 | * original Terratec Cinergy T2 driver by: |
9 | * |
10 | * Copyright (C) 2004 Daniel Mack <daniel@qanu.de> and |
11 | * Holger Waechtler <holger@qanu.de> |
12 | * |
13 | * Protocol Spec published on http://qanu.de/specs/terratec_cinergyT2.pdf |
14 | */ |
15 | |
16 | #include "cinergyT2.h" |
17 | |
18 | |
19 | /* debug */ |
20 | int dvb_usb_cinergyt2_debug; |
21 | |
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))." ); |
24 | |
25 | DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); |
26 | |
27 | struct cinergyt2_state { |
28 | u8 rc_counter; |
29 | unsigned char data[64]; |
30 | }; |
31 | |
32 | /* Forward declaration */ |
33 | static const struct dvb_usb_device_properties cinergyt2_properties; |
34 | |
35 | static int cinergyt2_streaming_ctrl(struct dvb_usb_adapter *adap, int enable) |
36 | { |
37 | struct dvb_usb_device *d = adap->dev; |
38 | struct cinergyt2_state *st = d->priv; |
39 | int ret; |
40 | |
41 | mutex_lock(&d->data_mutex); |
42 | st->data[0] = CINERGYT2_EP1_CONTROL_STREAM_TRANSFER; |
43 | st->data[1] = enable ? 1 : 0; |
44 | |
45 | ret = dvb_usb_generic_rw(d, st->data, 2, st->data, 64, 0); |
46 | mutex_unlock(lock: &d->data_mutex); |
47 | |
48 | return ret; |
49 | } |
50 | |
51 | static int cinergyt2_power_ctrl(struct dvb_usb_device *d, int enable) |
52 | { |
53 | struct cinergyt2_state *st = d->priv; |
54 | int ret; |
55 | |
56 | mutex_lock(&d->data_mutex); |
57 | st->data[0] = CINERGYT2_EP1_SLEEP_MODE; |
58 | st->data[1] = enable ? 0 : 1; |
59 | |
60 | ret = dvb_usb_generic_rw(d, st->data, 2, st->data, 3, 0); |
61 | mutex_unlock(lock: &d->data_mutex); |
62 | |
63 | return ret; |
64 | } |
65 | |
66 | static int cinergyt2_frontend_attach(struct dvb_usb_adapter *adap) |
67 | { |
68 | struct dvb_usb_device *d = adap->dev; |
69 | struct cinergyt2_state *st = d->priv; |
70 | int ret; |
71 | |
72 | adap->fe_adap[0].fe = cinergyt2_fe_attach(d: adap->dev); |
73 | |
74 | mutex_lock(&d->data_mutex); |
75 | st->data[0] = CINERGYT2_EP1_GET_FIRMWARE_VERSION; |
76 | |
77 | ret = dvb_usb_generic_rw(d, st->data, 1, st->data, 3, 0); |
78 | if (ret < 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" ); |
82 | } |
83 | mutex_unlock(lock: &d->data_mutex); |
84 | |
85 | return ret; |
86 | } |
87 | |
88 | static struct rc_map_table rc_map_cinergyt2_table[] = { |
89 | { 0x0401, KEY_POWER }, |
90 | { 0x0402, KEY_1 }, |
91 | { 0x0403, KEY_2 }, |
92 | { 0x0404, KEY_3 }, |
93 | { 0x0405, KEY_4 }, |
94 | { 0x0406, KEY_5 }, |
95 | { 0x0407, KEY_6 }, |
96 | { 0x0408, KEY_7 }, |
97 | { 0x0409, KEY_8 }, |
98 | { 0x040a, KEY_9 }, |
99 | { 0x040c, KEY_0 }, |
100 | { 0x040b, KEY_VIDEO }, |
101 | { 0x040d, KEY_REFRESH }, |
102 | { 0x040e, KEY_SELECT }, |
103 | { 0x040f, KEY_EPG }, |
104 | { 0x0410, KEY_UP }, |
105 | { 0x0414, KEY_DOWN }, |
106 | { 0x0411, KEY_LEFT }, |
107 | { 0x0413, KEY_RIGHT }, |
108 | { 0x0412, KEY_OK }, |
109 | { 0x0415, KEY_TEXT }, |
110 | { 0x0416, KEY_INFO }, |
111 | { 0x0417, KEY_RED }, |
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 }, |
125 | { 0x045c, KEY_NEXT } |
126 | }; |
127 | |
128 | /* Number of keypresses to ignore before detect repeating */ |
129 | #define RC_REPEAT_DELAY 3 |
130 | |
131 | static int repeatable_keys[] = { |
132 | KEY_UP, |
133 | KEY_DOWN, |
134 | KEY_LEFT, |
135 | KEY_RIGHT, |
136 | KEY_VOLUMEUP, |
137 | KEY_VOLUMEDOWN, |
138 | KEY_CHANNELUP, |
139 | KEY_CHANNELDOWN |
140 | }; |
141 | |
142 | static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state) |
143 | { |
144 | struct cinergyt2_state *st = d->priv; |
145 | int i, ret; |
146 | |
147 | *state = REMOTE_NO_KEY_PRESSED; |
148 | |
149 | mutex_lock(&d->data_mutex); |
150 | st->data[0] = CINERGYT2_EP1_GET_RC_EVENTS; |
151 | |
152 | ret = dvb_usb_generic_rw(d, st->data, 1, st->data, 5, 0); |
153 | if (ret < 0) |
154 | goto ret; |
155 | |
156 | if (st->data[4] == 0xff) { |
157 | /* key repeat */ |
158 | st->rc_counter++; |
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" , |
165 | *event); |
166 | goto ret; |
167 | } |
168 | } |
169 | deb_rc("repeated key (non repeatable)\n" ); |
170 | } |
171 | goto ret; |
172 | } |
173 | |
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, keybuf: st->data, event, state); |
177 | if (st->data[0] != 0) { |
178 | if (*event != d->last_event) |
179 | st->rc_counter = 0; |
180 | |
181 | deb_rc("key: %*ph\n" , 5, st->data); |
182 | } |
183 | |
184 | ret: |
185 | mutex_unlock(lock: &d->data_mutex); |
186 | return ret; |
187 | } |
188 | |
189 | static int cinergyt2_usb_probe(struct usb_interface *intf, |
190 | const struct usb_device_id *id) |
191 | { |
192 | return dvb_usb_device_init(intf, &cinergyt2_properties, |
193 | THIS_MODULE, NULL, adapter_nums: adapter_nr); |
194 | } |
195 | |
196 | enum { |
197 | TERRATEC_CINERGY_T2, |
198 | }; |
199 | |
200 | static struct usb_device_id cinergyt2_usb_table[] = { |
201 | DVB_USB_DEV(TERRATEC, TERRATEC_CINERGY_T2), |
202 | { } |
203 | }; |
204 | |
205 | MODULE_DEVICE_TABLE(usb, cinergyt2_usb_table); |
206 | |
207 | static const struct dvb_usb_device_properties cinergyt2_properties = { |
208 | .size_of_priv = sizeof(struct cinergyt2_state), |
209 | .num_adapters = 1, |
210 | .adapter = { |
211 | { |
212 | .num_frontends = 1, |
213 | .fe = {{ |
214 | .streaming_ctrl = cinergyt2_streaming_ctrl, |
215 | .frontend_attach = cinergyt2_frontend_attach, |
216 | |
217 | /* parameter for the MPEG2-data transfer */ |
218 | .stream = { |
219 | .type = USB_BULK, |
220 | .count = 5, |
221 | .endpoint = 0x02, |
222 | .u = { |
223 | .bulk = { |
224 | .buffersize = 512, |
225 | } |
226 | } |
227 | }, |
228 | }}, |
229 | } |
230 | }, |
231 | |
232 | .power_ctrl = cinergyt2_power_ctrl, |
233 | |
234 | .rc.legacy = { |
235 | .rc_interval = 50, |
236 | .rc_map_table = rc_map_cinergyt2_table, |
237 | .rc_map_size = ARRAY_SIZE(rc_map_cinergyt2_table), |
238 | .rc_query = cinergyt2_rc_query, |
239 | }, |
240 | |
241 | .generic_bulk_ctrl_endpoint = 1, |
242 | |
243 | .num_device_descs = 1, |
244 | .devices = { |
245 | { .name = "TerraTec/qanu USB2.0 Highspeed DVB-T Receiver" , |
246 | .cold_ids = {NULL}, |
247 | .warm_ids = { &cinergyt2_usb_table[TERRATEC_CINERGY_T2], NULL }, |
248 | }, |
249 | { NULL }, |
250 | } |
251 | }; |
252 | |
253 | |
254 | static struct usb_driver cinergyt2_driver = { |
255 | .name = "cinergyT2" , |
256 | .probe = cinergyt2_usb_probe, |
257 | .disconnect = dvb_usb_device_exit, |
258 | .id_table = cinergyt2_usb_table |
259 | }; |
260 | |
261 | module_usb_driver(cinergyt2_driver); |
262 | |
263 | MODULE_DESCRIPTION("Terratec Cinergy T2 DVB-T driver" ); |
264 | MODULE_LICENSE("GPL" ); |
265 | MODULE_AUTHOR("Tomi Orava" ); |
266 | |