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1// SPDX-License-Identifier: GPL-2.0-or-later2/*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 the8 * original Terratec Cinergy T2 driver by:9 *10 * Copyright (C) 2004 Daniel Mack <daniel@qanu.de> and11 * Holger Waechtler <holger@qanu.de>12 *13 * Protocol Spec published on http://qanu.de/specs/terratec_cinergyT2.pdf14 */15 16#include "cinergyT2.h"17 18 19/* debug */20int dvb_usb_cinergyt2_debug;21 22module_param_named(debug, dvb_usb_cinergyt2_debug, int, 0644);23MODULE_PARM_DESC(debug, "set debugging level (1=info, xfer=2, rc=4 (or-able)).");24 25DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);26 27struct cinergyt2_state {28 u8 rc_counter;29 unsigned char data[64];30};31 32/* Forward declaration */33static const struct dvb_usb_device_properties cinergyt2_properties;34 35static 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 51static 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 66static 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 88static 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 3130 131static 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_CHANNELDOWN140};141 142static 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 184ret:185 mutex_unlock(&d->data_mutex);186 return ret;187}188 189static 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 196enum {197 TERRATEC_CINERGY_T2,198};199 200static struct usb_device_id cinergyt2_usb_table[] = {201 DVB_USB_DEV(TERRATEC, TERRATEC_CINERGY_T2),202 { }203};204 205MODULE_DEVICE_TABLE(usb, cinergyt2_usb_table);206 207static 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 254static struct usb_driver cinergyt2_driver = {255 .name = "cinergyT2",256 .probe = cinergyt2_usb_probe,257 .disconnect = dvb_usb_device_exit,258 .id_table = cinergyt2_usb_table259};260 261module_usb_driver(cinergyt2_driver);262 263MODULE_DESCRIPTION("Terratec Cinergy T2 DVB-T driver");264MODULE_LICENSE("GPL");265MODULE_AUTHOR("Tomi Orava");266