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