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 /* Forward declaration */ 33 static const struct dvb_usb_device_properties cinergyt2_properties; 34 35 static int cinergyt2_streaming_ctrl(struct dvb_usb_adapter *adap, int enable) 36 { 37 struct dvb_usb_device *d = adap->dev; 38 struct cinergyt2_state *st = d->priv; 39 int ret; 40 41 mutex_lock(&d->data_mutex); 42 st->data[0] = CINERGYT2_EP1_CONTROL_STREAM_TRANSFER; 43 st->data[1] = enable ? 1 : 0; 44 45 ret = dvb_usb_generic_rw(d, st->data, 2, st->data, 64, 0); 46 mutex_unlock(&d->data_mutex); 47 48 return ret; 49 } 50 51 static int cinergyt2_power_ctrl(struct dvb_usb_device *d, int enable) 52 { 53 struct cinergyt2_state *st = d->priv; 54 int ret; 55 56 mutex_lock(&d->data_mutex); 57 st->data[0] = CINERGYT2_EP1_SLEEP_MODE; 58 st->data[1] = enable ? 0 : 1; 59 60 ret = dvb_usb_generic_rw(d, st->data, 2, st->data, 3, 0); 61 mutex_unlock(&d->data_mutex); 62 63 return ret; 64 } 65 66 static int cinergyt2_frontend_attach(struct dvb_usb_adapter *adap) 67 { 68 struct dvb_usb_device *d = adap->dev; 69 struct cinergyt2_state *st = d->priv; 70 int ret; 71 72 adap->fe_adap[0].fe = cinergyt2_fe_attach(adap->dev); 73 74 mutex_lock(&d->data_mutex); 75 st->data[0] = CINERGYT2_EP1_GET_FIRMWARE_VERSION; 76 77 ret = dvb_usb_generic_rw(d, st->data, 1, st->data, 3, 0); 78 if (ret < 0) { 79 if (adap->fe_adap[0].fe) 80 adap->fe_adap[0].fe->ops.release(adap->fe_adap[0].fe); 81 deb_rc("cinergyt2_power_ctrl() Failed to retrieve sleep state info\n"); 82 } 83 mutex_unlock(&d->data_mutex); 84 85 return ret; 86 } 87 88 static struct rc_map_table rc_map_cinergyt2_table[] = { 89 { 0x0401, KEY_POWER }, 90 { 0x0402, KEY_1 }, 91 { 0x0403, KEY_2 }, 92 { 0x0404, KEY_3 }, 93 { 0x0405, KEY_4 }, 94 { 0x0406, KEY_5 }, 95 { 0x0407, KEY_6 }, 96 { 0x0408, KEY_7 }, 97 { 0x0409, KEY_8 }, 98 { 0x040a, KEY_9 }, 99 { 0x040c, KEY_0 }, 100 { 0x040b, KEY_VIDEO }, 101 { 0x040d, KEY_REFRESH }, 102 { 0x040e, KEY_SELECT }, 103 { 0x040f, KEY_EPG }, 104 { 0x0410, KEY_UP }, 105 { 0x0414, KEY_DOWN }, 106 { 0x0411, KEY_LEFT }, 107 { 0x0413, KEY_RIGHT }, 108 { 0x0412, KEY_OK }, 109 { 0x0415, KEY_TEXT }, 110 { 0x0416, KEY_INFO }, 111 { 0x0417, KEY_RED }, 112 { 0x0418, KEY_GREEN }, 113 { 0x0419, KEY_YELLOW }, 114 { 0x041a, KEY_BLUE }, 115 { 0x041c, KEY_VOLUMEUP }, 116 { 0x041e, KEY_VOLUMEDOWN }, 117 { 0x041d, KEY_MUTE }, 118 { 0x041b, KEY_CHANNELUP }, 119 { 0x041f, KEY_CHANNELDOWN }, 120 { 0x0440, KEY_PAUSE }, 121 { 0x044c, KEY_PLAY }, 122 { 0x0458, KEY_RECORD }, 123 { 0x0454, KEY_PREVIOUS }, 124 { 0x0448, KEY_STOP }, 125 { 0x045c, KEY_NEXT } 126 }; 127 128 /* Number of keypresses to ignore before detect repeating */ 129 #define RC_REPEAT_DELAY 3 130 131 static int repeatable_keys[] = { 132 KEY_UP, 133 KEY_DOWN, 134 KEY_LEFT, 135 KEY_RIGHT, 136 KEY_VOLUMEUP, 137 KEY_VOLUMEDOWN, 138 KEY_CHANNELUP, 139 KEY_CHANNELDOWN 140 }; 141 142 static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state) 143 { 144 struct cinergyt2_state *st = d->priv; 145 int i, ret; 146 147 *state = REMOTE_NO_KEY_PRESSED; 148 149 mutex_lock(&d->data_mutex); 150 st->data[0] = CINERGYT2_EP1_GET_RC_EVENTS; 151 152 ret = dvb_usb_generic_rw(d, st->data, 1, st->data, 5, 0); 153 if (ret < 0) 154 goto ret; 155 156 if (st->data[4] == 0xff) { 157 /* key repeat */ 158 st->rc_counter++; 159 if (st->rc_counter > RC_REPEAT_DELAY) { 160 for (i = 0; i < ARRAY_SIZE(repeatable_keys); i++) { 161 if (d->last_event == repeatable_keys[i]) { 162 *state = REMOTE_KEY_REPEAT; 163 *event = d->last_event; 164 deb_rc("repeat key, event %x\n", 165 *event); 166 goto ret; 167 } 168 } 169 deb_rc("repeated key (non repeatable)\n"); 170 } 171 goto ret; 172 } 173 174 /* hack to pass checksum on the custom field */ 175 st->data[2] = ~st->data[1]; 176 dvb_usb_nec_rc_key_to_event(d, st->data, event, state); 177 if (st->data[0] != 0) { 178 if (*event != d->last_event) 179 st->rc_counter = 0; 180 181 deb_rc("key: %*ph\n", 5, st->data); 182 } 183 184 ret: 185 mutex_unlock(&d->data_mutex); 186 return ret; 187 } 188 189 static int cinergyt2_usb_probe(struct usb_interface *intf, 190 const struct usb_device_id *id) 191 { 192 return dvb_usb_device_init(intf, &cinergyt2_properties, 193 THIS_MODULE, NULL, adapter_nr); 194 } 195 196 enum { 197 TERRATEC_CINERGY_T2, 198 }; 199 200 static struct usb_device_id cinergyt2_usb_table[] = { 201 DVB_USB_DEV(TERRATEC, TERRATEC_CINERGY_T2), 202 { } 203 }; 204 205 MODULE_DEVICE_TABLE(usb, cinergyt2_usb_table); 206 207 static const struct dvb_usb_device_properties cinergyt2_properties = { 208 .size_of_priv = sizeof(struct cinergyt2_state), 209 .num_adapters = 1, 210 .adapter = { 211 { 212 .num_frontends = 1, 213 .fe = {{ 214 .streaming_ctrl = cinergyt2_streaming_ctrl, 215 .frontend_attach = cinergyt2_frontend_attach, 216 217 /* parameter for the MPEG2-data transfer */ 218 .stream = { 219 .type = USB_BULK, 220 .count = 5, 221 .endpoint = 0x02, 222 .u = { 223 .bulk = { 224 .buffersize = 512, 225 } 226 } 227 }, 228 }}, 229 } 230 }, 231 232 .power_ctrl = cinergyt2_power_ctrl, 233 234 .rc.legacy = { 235 .rc_interval = 50, 236 .rc_map_table = rc_map_cinergyt2_table, 237 .rc_map_size = ARRAY_SIZE(rc_map_cinergyt2_table), 238 .rc_query = cinergyt2_rc_query, 239 }, 240 241 .generic_bulk_ctrl_endpoint = 1, 242 243 .num_device_descs = 1, 244 .devices = { 245 { .name = "TerraTec/qanu USB2.0 Highspeed DVB-T Receiver", 246 .cold_ids = {NULL}, 247 .warm_ids = { &cinergyt2_usb_table[TERRATEC_CINERGY_T2], NULL }, 248 }, 249 { NULL }, 250 } 251 }; 252 253 254 static struct usb_driver cinergyt2_driver = { 255 .name = "cinergyT2", 256 .probe = cinergyt2_usb_probe, 257 .disconnect = dvb_usb_device_exit, 258 .id_table = cinergyt2_usb_table 259 }; 260 261 module_usb_driver(cinergyt2_driver); 262 263 MODULE_DESCRIPTION("Terratec Cinergy T2 DVB-T driver"); 264 MODULE_LICENSE("GPL"); 265 MODULE_AUTHOR("Tomi Orava"); 266