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 /* We are missing a release hook with usb_device data */ 33 static struct dvb_usb_device *cinergyt2_usb_device; 34 35 static struct dvb_usb_device_properties cinergyt2_properties; 36 37 static int cinergyt2_streaming_ctrl(struct dvb_usb_adapter *adap, int enable) 38 { 39 struct dvb_usb_device *d = adap->dev; 40 struct cinergyt2_state *st = d->priv; 41 int ret; 42 43 mutex_lock(&d->data_mutex); 44 st->data[0] = CINERGYT2_EP1_CONTROL_STREAM_TRANSFER; 45 st->data[1] = enable ? 1 : 0; 46 47 ret = dvb_usb_generic_rw(d, st->data, 2, st->data, 64, 0); 48 mutex_unlock(&d->data_mutex); 49 50 return ret; 51 } 52 53 static int cinergyt2_power_ctrl(struct dvb_usb_device *d, int enable) 54 { 55 struct cinergyt2_state *st = d->priv; 56 int ret; 57 58 mutex_lock(&d->data_mutex); 59 st->data[0] = CINERGYT2_EP1_SLEEP_MODE; 60 st->data[1] = enable ? 0 : 1; 61 62 ret = dvb_usb_generic_rw(d, st->data, 2, st->data, 3, 0); 63 mutex_unlock(&d->data_mutex); 64 65 return ret; 66 } 67 68 static int cinergyt2_frontend_attach(struct dvb_usb_adapter *adap) 69 { 70 struct dvb_usb_device *d = adap->dev; 71 struct cinergyt2_state *st = d->priv; 72 int ret; 73 74 adap->fe_adap[0].fe = cinergyt2_fe_attach(adap->dev); 75 76 mutex_lock(&d->data_mutex); 77 st->data[0] = CINERGYT2_EP1_GET_FIRMWARE_VERSION; 78 79 ret = dvb_usb_generic_rw(d, st->data, 1, st->data, 3, 0); 80 if (ret < 0) { 81 deb_rc("cinergyt2_power_ctrl() Failed to retrieve sleep state info\n"); 82 } 83 mutex_unlock(&d->data_mutex); 84 85 /* Copy this pointer as we are gonna need it in the release phase */ 86 cinergyt2_usb_device = adap->dev; 87 88 return ret; 89 } 90 91 static struct rc_map_table rc_map_cinergyt2_table[] = { 92 { 0x0401, KEY_POWER }, 93 { 0x0402, KEY_1 }, 94 { 0x0403, KEY_2 }, 95 { 0x0404, KEY_3 }, 96 { 0x0405, KEY_4 }, 97 { 0x0406, KEY_5 }, 98 { 0x0407, KEY_6 }, 99 { 0x0408, KEY_7 }, 100 { 0x0409, KEY_8 }, 101 { 0x040a, KEY_9 }, 102 { 0x040c, KEY_0 }, 103 { 0x040b, KEY_VIDEO }, 104 { 0x040d, KEY_REFRESH }, 105 { 0x040e, KEY_SELECT }, 106 { 0x040f, KEY_EPG }, 107 { 0x0410, KEY_UP }, 108 { 0x0414, KEY_DOWN }, 109 { 0x0411, KEY_LEFT }, 110 { 0x0413, KEY_RIGHT }, 111 { 0x0412, KEY_OK }, 112 { 0x0415, KEY_TEXT }, 113 { 0x0416, KEY_INFO }, 114 { 0x0417, KEY_RED }, 115 { 0x0418, KEY_GREEN }, 116 { 0x0419, KEY_YELLOW }, 117 { 0x041a, KEY_BLUE }, 118 { 0x041c, KEY_VOLUMEUP }, 119 { 0x041e, KEY_VOLUMEDOWN }, 120 { 0x041d, KEY_MUTE }, 121 { 0x041b, KEY_CHANNELUP }, 122 { 0x041f, KEY_CHANNELDOWN }, 123 { 0x0440, KEY_PAUSE }, 124 { 0x044c, KEY_PLAY }, 125 { 0x0458, KEY_RECORD }, 126 { 0x0454, KEY_PREVIOUS }, 127 { 0x0448, KEY_STOP }, 128 { 0x045c, KEY_NEXT } 129 }; 130 131 /* Number of keypresses to ignore before detect repeating */ 132 #define RC_REPEAT_DELAY 3 133 134 static int repeatable_keys[] = { 135 KEY_UP, 136 KEY_DOWN, 137 KEY_LEFT, 138 KEY_RIGHT, 139 KEY_VOLUMEUP, 140 KEY_VOLUMEDOWN, 141 KEY_CHANNELUP, 142 KEY_CHANNELDOWN 143 }; 144 145 static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state) 146 { 147 struct cinergyt2_state *st = d->priv; 148 int i, ret; 149 150 *state = REMOTE_NO_KEY_PRESSED; 151 152 mutex_lock(&d->data_mutex); 153 st->data[0] = CINERGYT2_EP1_GET_RC_EVENTS; 154 155 ret = dvb_usb_generic_rw(d, st->data, 1, st->data, 5, 0); 156 if (ret < 0) 157 goto ret; 158 159 if (st->data[4] == 0xff) { 160 /* key repeat */ 161 st->rc_counter++; 162 if (st->rc_counter > RC_REPEAT_DELAY) { 163 for (i = 0; i < ARRAY_SIZE(repeatable_keys); i++) { 164 if (d->last_event == repeatable_keys[i]) { 165 *state = REMOTE_KEY_REPEAT; 166 *event = d->last_event; 167 deb_rc("repeat key, event %x\n", 168 *event); 169 goto ret; 170 } 171 } 172 deb_rc("repeated key (non repeatable)\n"); 173 } 174 goto ret; 175 } 176 177 /* hack to pass checksum on the custom field */ 178 st->data[2] = ~st->data[1]; 179 dvb_usb_nec_rc_key_to_event(d, st->data, event, state); 180 if (st->data[0] != 0) { 181 if (*event != d->last_event) 182 st->rc_counter = 0; 183 184 deb_rc("key: %*ph\n", 5, st->data); 185 } 186 187 ret: 188 mutex_unlock(&d->data_mutex); 189 return ret; 190 } 191 192 static int cinergyt2_usb_probe(struct usb_interface *intf, 193 const struct usb_device_id *id) 194 { 195 return dvb_usb_device_init(intf, &cinergyt2_properties, 196 THIS_MODULE, NULL, adapter_nr); 197 } 198 199 static struct usb_device_id cinergyt2_usb_table[] = { 200 { USB_DEVICE(USB_VID_TERRATEC, 0x0038) }, 201 { 0 } 202 }; 203 204 MODULE_DEVICE_TABLE(usb, cinergyt2_usb_table); 205 206 static struct dvb_usb_device_properties cinergyt2_properties = { 207 .size_of_priv = sizeof(struct cinergyt2_state), 208 .num_adapters = 1, 209 .adapter = { 210 { 211 .num_frontends = 1, 212 .fe = {{ 213 .streaming_ctrl = cinergyt2_streaming_ctrl, 214 .frontend_attach = cinergyt2_frontend_attach, 215 216 /* parameter for the MPEG2-data transfer */ 217 .stream = { 218 .type = USB_BULK, 219 .count = 5, 220 .endpoint = 0x02, 221 .u = { 222 .bulk = { 223 .buffersize = 512, 224 } 225 } 226 }, 227 }}, 228 } 229 }, 230 231 .power_ctrl = cinergyt2_power_ctrl, 232 233 .rc.legacy = { 234 .rc_interval = 50, 235 .rc_map_table = rc_map_cinergyt2_table, 236 .rc_map_size = ARRAY_SIZE(rc_map_cinergyt2_table), 237 .rc_query = cinergyt2_rc_query, 238 }, 239 240 .generic_bulk_ctrl_endpoint = 1, 241 242 .num_device_descs = 1, 243 .devices = { 244 { .name = "TerraTec/qanu USB2.0 Highspeed DVB-T Receiver", 245 .cold_ids = {NULL}, 246 .warm_ids = { &cinergyt2_usb_table[0], NULL }, 247 }, 248 { NULL }, 249 } 250 }; 251 252 253 static struct usb_driver cinergyt2_driver = { 254 .name = "cinergyT2", 255 .probe = cinergyt2_usb_probe, 256 .disconnect = dvb_usb_device_exit, 257 .id_table = cinergyt2_usb_table 258 }; 259 260 module_usb_driver(cinergyt2_driver); 261 262 MODULE_DESCRIPTION("Terratec Cinergy T2 DVB-T driver"); 263 MODULE_LICENSE("GPL"); 264 MODULE_AUTHOR("Tomi Orava"); 265