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_adap[0].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 rc_map_table rc_map_cinergyt2_table[] = { 88 { 0x0401, KEY_POWER }, 89 { 0x0402, KEY_1 }, 90 { 0x0403, KEY_2 }, 91 { 0x0404, KEY_3 }, 92 { 0x0405, KEY_4 }, 93 { 0x0406, KEY_5 }, 94 { 0x0407, KEY_6 }, 95 { 0x0408, KEY_7 }, 96 { 0x0409, KEY_8 }, 97 { 0x040a, KEY_9 }, 98 { 0x040c, KEY_0 }, 99 { 0x040b, KEY_VIDEO }, 100 { 0x040d, KEY_REFRESH }, 101 { 0x040e, KEY_SELECT }, 102 { 0x040f, KEY_EPG }, 103 { 0x0410, KEY_UP }, 104 { 0x0414, KEY_DOWN }, 105 { 0x0411, KEY_LEFT }, 106 { 0x0413, KEY_RIGHT }, 107 { 0x0412, KEY_OK }, 108 { 0x0415, KEY_TEXT }, 109 { 0x0416, KEY_INFO }, 110 { 0x0417, KEY_RED }, 111 { 0x0418, KEY_GREEN }, 112 { 0x0419, KEY_YELLOW }, 113 { 0x041a, KEY_BLUE }, 114 { 0x041c, KEY_VOLUMEUP }, 115 { 0x041e, KEY_VOLUMEDOWN }, 116 { 0x041d, KEY_MUTE }, 117 { 0x041b, KEY_CHANNELUP }, 118 { 0x041f, KEY_CHANNELDOWN }, 119 { 0x0440, KEY_PAUSE }, 120 { 0x044c, KEY_PLAY }, 121 { 0x0458, KEY_RECORD }, 122 { 0x0454, KEY_PREVIOUS }, 123 { 0x0448, KEY_STOP }, 124 { 0x045c, 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: %*ph\n", 5, key); 176 } 177 return 0; 178 } 179 180 static int cinergyt2_usb_probe(struct usb_interface *intf, 181 const struct usb_device_id *id) 182 { 183 return dvb_usb_device_init(intf, &cinergyt2_properties, 184 THIS_MODULE, NULL, adapter_nr); 185 } 186 187 188 static struct usb_device_id cinergyt2_usb_table[] = { 189 { USB_DEVICE(USB_VID_TERRATEC, 0x0038) }, 190 { 0 } 191 }; 192 193 MODULE_DEVICE_TABLE(usb, cinergyt2_usb_table); 194 195 static struct dvb_usb_device_properties cinergyt2_properties = { 196 .size_of_priv = sizeof(struct cinergyt2_state), 197 .num_adapters = 1, 198 .adapter = { 199 { 200 .num_frontends = 1, 201 .fe = {{ 202 .streaming_ctrl = cinergyt2_streaming_ctrl, 203 .frontend_attach = cinergyt2_frontend_attach, 204 205 /* parameter for the MPEG2-data transfer */ 206 .stream = { 207 .type = USB_BULK, 208 .count = 5, 209 .endpoint = 0x02, 210 .u = { 211 .bulk = { 212 .buffersize = 512, 213 } 214 } 215 }, 216 }}, 217 } 218 }, 219 220 .power_ctrl = cinergyt2_power_ctrl, 221 222 .rc.legacy = { 223 .rc_interval = 50, 224 .rc_map_table = rc_map_cinergyt2_table, 225 .rc_map_size = ARRAY_SIZE(rc_map_cinergyt2_table), 226 .rc_query = cinergyt2_rc_query, 227 }, 228 229 .generic_bulk_ctrl_endpoint = 1, 230 231 .num_device_descs = 1, 232 .devices = { 233 { .name = "TerraTec/qanu USB2.0 Highspeed DVB-T Receiver", 234 .cold_ids = {NULL}, 235 .warm_ids = { &cinergyt2_usb_table[0], NULL }, 236 }, 237 { NULL }, 238 } 239 }; 240 241 242 static struct usb_driver cinergyt2_driver = { 243 .name = "cinergyT2", 244 .probe = cinergyt2_usb_probe, 245 .disconnect = dvb_usb_device_exit, 246 .id_table = cinergyt2_usb_table 247 }; 248 249 module_usb_driver(cinergyt2_driver); 250 251 MODULE_DESCRIPTION("Terratec Cinergy T2 DVB-T driver"); 252 MODULE_LICENSE("GPL"); 253 MODULE_AUTHOR("Tomi Orava"); 254