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 struct mutex data_mutex; 46 }; 47 48 /* We are missing a release hook with usb_device data */ 49 static struct dvb_usb_device *cinergyt2_usb_device; 50 51 static struct dvb_usb_device_properties cinergyt2_properties; 52 53 static int cinergyt2_streaming_ctrl(struct dvb_usb_adapter *adap, int enable) 54 { 55 struct dvb_usb_device *d = adap->dev; 56 struct cinergyt2_state *st = d->priv; 57 int ret; 58 59 mutex_lock(&st->data_mutex); 60 st->data[0] = CINERGYT2_EP1_CONTROL_STREAM_TRANSFER; 61 st->data[1] = enable ? 1 : 0; 62 63 ret = dvb_usb_generic_rw(d, st->data, 2, st->data, 64, 0); 64 mutex_unlock(&st->data_mutex); 65 66 return ret; 67 } 68 69 static int cinergyt2_power_ctrl(struct dvb_usb_device *d, int enable) 70 { 71 struct cinergyt2_state *st = d->priv; 72 int ret; 73 74 mutex_lock(&st->data_mutex); 75 st->data[0] = CINERGYT2_EP1_SLEEP_MODE; 76 st->data[1] = enable ? 0 : 1; 77 78 ret = dvb_usb_generic_rw(d, st->data, 2, st->data, 3, 0); 79 mutex_unlock(&st->data_mutex); 80 81 return ret; 82 } 83 84 static int cinergyt2_frontend_attach(struct dvb_usb_adapter *adap) 85 { 86 struct dvb_usb_device *d = adap->dev; 87 struct cinergyt2_state *st = d->priv; 88 int ret; 89 90 adap->fe_adap[0].fe = cinergyt2_fe_attach(adap->dev); 91 92 mutex_lock(&st->data_mutex); 93 st->data[0] = CINERGYT2_EP1_GET_FIRMWARE_VERSION; 94 95 ret = dvb_usb_generic_rw(d, st->data, 1, st->data, 3, 0); 96 if (ret < 0) { 97 deb_rc("cinergyt2_power_ctrl() Failed to retrieve sleep " 98 "state info\n"); 99 } 100 mutex_unlock(&st->data_mutex); 101 102 /* Copy this pointer as we are gonna need it in the release phase */ 103 cinergyt2_usb_device = adap->dev; 104 105 return ret; 106 } 107 108 static struct rc_map_table rc_map_cinergyt2_table[] = { 109 { 0x0401, KEY_POWER }, 110 { 0x0402, KEY_1 }, 111 { 0x0403, KEY_2 }, 112 { 0x0404, KEY_3 }, 113 { 0x0405, KEY_4 }, 114 { 0x0406, KEY_5 }, 115 { 0x0407, KEY_6 }, 116 { 0x0408, KEY_7 }, 117 { 0x0409, KEY_8 }, 118 { 0x040a, KEY_9 }, 119 { 0x040c, KEY_0 }, 120 { 0x040b, KEY_VIDEO }, 121 { 0x040d, KEY_REFRESH }, 122 { 0x040e, KEY_SELECT }, 123 { 0x040f, KEY_EPG }, 124 { 0x0410, KEY_UP }, 125 { 0x0414, KEY_DOWN }, 126 { 0x0411, KEY_LEFT }, 127 { 0x0413, KEY_RIGHT }, 128 { 0x0412, KEY_OK }, 129 { 0x0415, KEY_TEXT }, 130 { 0x0416, KEY_INFO }, 131 { 0x0417, KEY_RED }, 132 { 0x0418, KEY_GREEN }, 133 { 0x0419, KEY_YELLOW }, 134 { 0x041a, KEY_BLUE }, 135 { 0x041c, KEY_VOLUMEUP }, 136 { 0x041e, KEY_VOLUMEDOWN }, 137 { 0x041d, KEY_MUTE }, 138 { 0x041b, KEY_CHANNELUP }, 139 { 0x041f, KEY_CHANNELDOWN }, 140 { 0x0440, KEY_PAUSE }, 141 { 0x044c, KEY_PLAY }, 142 { 0x0458, KEY_RECORD }, 143 { 0x0454, KEY_PREVIOUS }, 144 { 0x0448, KEY_STOP }, 145 { 0x045c, KEY_NEXT } 146 }; 147 148 /* Number of keypresses to ignore before detect repeating */ 149 #define RC_REPEAT_DELAY 3 150 151 static int repeatable_keys[] = { 152 KEY_UP, 153 KEY_DOWN, 154 KEY_LEFT, 155 KEY_RIGHT, 156 KEY_VOLUMEUP, 157 KEY_VOLUMEDOWN, 158 KEY_CHANNELUP, 159 KEY_CHANNELDOWN 160 }; 161 162 static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state) 163 { 164 struct cinergyt2_state *st = d->priv; 165 int i, ret; 166 167 *state = REMOTE_NO_KEY_PRESSED; 168 169 mutex_lock(&st->data_mutex); 170 st->data[0] = CINERGYT2_EP1_GET_RC_EVENTS; 171 172 ret = dvb_usb_generic_rw(d, st->data, 1, st->data, 5, 0); 173 if (ret < 0) 174 goto ret; 175 176 if (st->data[4] == 0xff) { 177 /* key repeat */ 178 st->rc_counter++; 179 if (st->rc_counter > RC_REPEAT_DELAY) { 180 for (i = 0; i < ARRAY_SIZE(repeatable_keys); i++) { 181 if (d->last_event == repeatable_keys[i]) { 182 *state = REMOTE_KEY_REPEAT; 183 *event = d->last_event; 184 deb_rc("repeat key, event %x\n", 185 *event); 186 goto ret; 187 } 188 } 189 deb_rc("repeated key (non repeatable)\n"); 190 } 191 goto ret; 192 } 193 194 /* hack to pass checksum on the custom field */ 195 st->data[2] = ~st->data[1]; 196 dvb_usb_nec_rc_key_to_event(d, st->data, event, state); 197 if (st->data[0] != 0) { 198 if (*event != d->last_event) 199 st->rc_counter = 0; 200 201 deb_rc("key: %*ph\n", 5, st->data); 202 } 203 204 ret: 205 mutex_unlock(&st->data_mutex); 206 return ret; 207 } 208 209 static int cinergyt2_usb_probe(struct usb_interface *intf, 210 const struct usb_device_id *id) 211 { 212 struct dvb_usb_device *d; 213 struct cinergyt2_state *st; 214 int ret; 215 216 ret = dvb_usb_device_init(intf, &cinergyt2_properties, 217 THIS_MODULE, &d, adapter_nr); 218 if (ret < 0) 219 return ret; 220 221 st = d->priv; 222 mutex_init(&st->data_mutex); 223 224 return 0; 225 } 226 227 228 static struct usb_device_id cinergyt2_usb_table[] = { 229 { USB_DEVICE(USB_VID_TERRATEC, 0x0038) }, 230 { 0 } 231 }; 232 233 MODULE_DEVICE_TABLE(usb, cinergyt2_usb_table); 234 235 static struct dvb_usb_device_properties cinergyt2_properties = { 236 .size_of_priv = sizeof(struct cinergyt2_state), 237 .num_adapters = 1, 238 .adapter = { 239 { 240 .num_frontends = 1, 241 .fe = {{ 242 .streaming_ctrl = cinergyt2_streaming_ctrl, 243 .frontend_attach = cinergyt2_frontend_attach, 244 245 /* parameter for the MPEG2-data transfer */ 246 .stream = { 247 .type = USB_BULK, 248 .count = 5, 249 .endpoint = 0x02, 250 .u = { 251 .bulk = { 252 .buffersize = 512, 253 } 254 } 255 }, 256 }}, 257 } 258 }, 259 260 .power_ctrl = cinergyt2_power_ctrl, 261 262 .rc.legacy = { 263 .rc_interval = 50, 264 .rc_map_table = rc_map_cinergyt2_table, 265 .rc_map_size = ARRAY_SIZE(rc_map_cinergyt2_table), 266 .rc_query = cinergyt2_rc_query, 267 }, 268 269 .generic_bulk_ctrl_endpoint = 1, 270 271 .num_device_descs = 1, 272 .devices = { 273 { .name = "TerraTec/qanu USB2.0 Highspeed DVB-T Receiver", 274 .cold_ids = {NULL}, 275 .warm_ids = { &cinergyt2_usb_table[0], NULL }, 276 }, 277 { NULL }, 278 } 279 }; 280 281 282 static struct usb_driver cinergyt2_driver = { 283 .name = "cinergyT2", 284 .probe = cinergyt2_usb_probe, 285 .disconnect = dvb_usb_device_exit, 286 .id_table = cinergyt2_usb_table 287 }; 288 289 module_usb_driver(cinergyt2_driver); 290 291 MODULE_DESCRIPTION("Terratec Cinergy T2 DVB-T driver"); 292 MODULE_LICENSE("GPL"); 293 MODULE_AUTHOR("Tomi Orava"); 294