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 (or-able))."); 38 39 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); 40 41 struct cinergyt2_state { 42 u8 rc_counter; 43 unsigned char data[64]; 44 struct mutex data_mutex; 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 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(&st->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(&st->data_mutex); 64 65 return ret; 66 } 67 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(&st->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(&st->data_mutex); 79 80 return ret; 81 } 82 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(&st->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 state info\n"); 97 } 98 mutex_unlock(&st->data_mutex); 99 100 /* Copy this pointer as we are gonna need it in the release phase */ 101 cinergyt2_usb_device = adap->dev; 102 103 return ret; 104 } 105 106 static struct rc_map_table rc_map_cinergyt2_table[] = { 107 { 0x0401, KEY_POWER }, 108 { 0x0402, KEY_1 }, 109 { 0x0403, KEY_2 }, 110 { 0x0404, KEY_3 }, 111 { 0x0405, KEY_4 }, 112 { 0x0406, KEY_5 }, 113 { 0x0407, KEY_6 }, 114 { 0x0408, KEY_7 }, 115 { 0x0409, KEY_8 }, 116 { 0x040a, KEY_9 }, 117 { 0x040c, KEY_0 }, 118 { 0x040b, KEY_VIDEO }, 119 { 0x040d, KEY_REFRESH }, 120 { 0x040e, KEY_SELECT }, 121 { 0x040f, KEY_EPG }, 122 { 0x0410, KEY_UP }, 123 { 0x0414, KEY_DOWN }, 124 { 0x0411, KEY_LEFT }, 125 { 0x0413, KEY_RIGHT }, 126 { 0x0412, KEY_OK }, 127 { 0x0415, KEY_TEXT }, 128 { 0x0416, KEY_INFO }, 129 { 0x0417, KEY_RED }, 130 { 0x0418, KEY_GREEN }, 131 { 0x0419, KEY_YELLOW }, 132 { 0x041a, KEY_BLUE }, 133 { 0x041c, KEY_VOLUMEUP }, 134 { 0x041e, KEY_VOLUMEDOWN }, 135 { 0x041d, KEY_MUTE }, 136 { 0x041b, KEY_CHANNELUP }, 137 { 0x041f, KEY_CHANNELDOWN }, 138 { 0x0440, KEY_PAUSE }, 139 { 0x044c, KEY_PLAY }, 140 { 0x0458, KEY_RECORD }, 141 { 0x0454, KEY_PREVIOUS }, 142 { 0x0448, KEY_STOP }, 143 { 0x045c, KEY_NEXT } 144 }; 145 146 /* Number of keypresses to ignore before detect repeating */ 147 #define RC_REPEAT_DELAY 3 148 149 static int repeatable_keys[] = { 150 KEY_UP, 151 KEY_DOWN, 152 KEY_LEFT, 153 KEY_RIGHT, 154 KEY_VOLUMEUP, 155 KEY_VOLUMEDOWN, 156 KEY_CHANNELUP, 157 KEY_CHANNELDOWN 158 }; 159 160 static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state) 161 { 162 struct cinergyt2_state *st = d->priv; 163 int i, ret; 164 165 *state = REMOTE_NO_KEY_PRESSED; 166 167 mutex_lock(&st->data_mutex); 168 st->data[0] = CINERGYT2_EP1_GET_RC_EVENTS; 169 170 ret = dvb_usb_generic_rw(d, st->data, 1, st->data, 5, 0); 171 if (ret < 0) 172 goto ret; 173 174 if (st->data[4] == 0xff) { 175 /* key repeat */ 176 st->rc_counter++; 177 if (st->rc_counter > RC_REPEAT_DELAY) { 178 for (i = 0; i < ARRAY_SIZE(repeatable_keys); i++) { 179 if (d->last_event == repeatable_keys[i]) { 180 *state = REMOTE_KEY_REPEAT; 181 *event = d->last_event; 182 deb_rc("repeat key, event %x\n", 183 *event); 184 goto ret; 185 } 186 } 187 deb_rc("repeated key (non repeatable)\n"); 188 } 189 goto ret; 190 } 191 192 /* hack to pass checksum on the custom field */ 193 st->data[2] = ~st->data[1]; 194 dvb_usb_nec_rc_key_to_event(d, st->data, event, state); 195 if (st->data[0] != 0) { 196 if (*event != d->last_event) 197 st->rc_counter = 0; 198 199 deb_rc("key: %*ph\n", 5, st->data); 200 } 201 202 ret: 203 mutex_unlock(&st->data_mutex); 204 return ret; 205 } 206 207 static int cinergyt2_usb_probe(struct usb_interface *intf, 208 const struct usb_device_id *id) 209 { 210 struct dvb_usb_device *d; 211 struct cinergyt2_state *st; 212 int ret; 213 214 ret = dvb_usb_device_init(intf, &cinergyt2_properties, 215 THIS_MODULE, &d, adapter_nr); 216 if (ret < 0) 217 return ret; 218 219 st = d->priv; 220 mutex_init(&st->data_mutex); 221 222 return 0; 223 } 224 225 226 static struct usb_device_id cinergyt2_usb_table[] = { 227 { USB_DEVICE(USB_VID_TERRATEC, 0x0038) }, 228 { 0 } 229 }; 230 231 MODULE_DEVICE_TABLE(usb, cinergyt2_usb_table); 232 233 static struct dvb_usb_device_properties cinergyt2_properties = { 234 .size_of_priv = sizeof(struct cinergyt2_state), 235 .num_adapters = 1, 236 .adapter = { 237 { 238 .num_frontends = 1, 239 .fe = {{ 240 .streaming_ctrl = cinergyt2_streaming_ctrl, 241 .frontend_attach = cinergyt2_frontend_attach, 242 243 /* parameter for the MPEG2-data transfer */ 244 .stream = { 245 .type = USB_BULK, 246 .count = 5, 247 .endpoint = 0x02, 248 .u = { 249 .bulk = { 250 .buffersize = 512, 251 } 252 } 253 }, 254 }}, 255 } 256 }, 257 258 .power_ctrl = cinergyt2_power_ctrl, 259 260 .rc.legacy = { 261 .rc_interval = 50, 262 .rc_map_table = rc_map_cinergyt2_table, 263 .rc_map_size = ARRAY_SIZE(rc_map_cinergyt2_table), 264 .rc_query = cinergyt2_rc_query, 265 }, 266 267 .generic_bulk_ctrl_endpoint = 1, 268 269 .num_device_descs = 1, 270 .devices = { 271 { .name = "TerraTec/qanu USB2.0 Highspeed DVB-T Receiver", 272 .cold_ids = {NULL}, 273 .warm_ids = { &cinergyt2_usb_table[0], NULL }, 274 }, 275 { NULL }, 276 } 277 }; 278 279 280 static struct usb_driver cinergyt2_driver = { 281 .name = "cinergyT2", 282 .probe = cinergyt2_usb_probe, 283 .disconnect = dvb_usb_device_exit, 284 .id_table = cinergyt2_usb_table 285 }; 286 287 module_usb_driver(cinergyt2_driver); 288 289 MODULE_DESCRIPTION("Terratec Cinergy T2 DVB-T driver"); 290 MODULE_LICENSE("GPL"); 291 MODULE_AUTHOR("Tomi Orava"); 292