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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* TerraTec Cinergy T2/qanu USB2 DVB-T adapter.
*
* Copyright (C) 2007 Tomi Orava (tomimo@ncircle.nullnet.fi)
*
* Based on the dvb-usb-framework code and the
* original Terratec Cinergy T2 driver by:
*
* Copyright (C) 2004 Daniel Mack <daniel@qanu.de> and
* Holger Waechtler <holger@qanu.de>
*
* Protocol Spec published on http://qanu.de/specs/terratec_cinergyT2.pdf
*/
#include "cinergyT2.h"
/* debug */
int dvb_usb_cinergyt2_debug;
module_param_named(debug, dvb_usb_cinergyt2_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=info, xfer=2, rc=4 (or-able)).");
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
struct cinergyt2_state {
u8 rc_counter;
unsigned char data[64];
};
/* We are missing a release hook with usb_device data */
static struct dvb_usb_device *cinergyt2_usb_device;
static struct dvb_usb_device_properties cinergyt2_properties;
static int cinergyt2_streaming_ctrl(struct dvb_usb_adapter *adap, int enable)
{
struct dvb_usb_device *d = adap->dev;
struct cinergyt2_state *st = d->priv;
int ret;
mutex_lock(&d->data_mutex);
st->data[0] = CINERGYT2_EP1_CONTROL_STREAM_TRANSFER;
st->data[1] = enable ? 1 : 0;
ret = dvb_usb_generic_rw(d, st->data, 2, st->data, 64, 0);
mutex_unlock(&d->data_mutex);
return ret;
}
static int cinergyt2_power_ctrl(struct dvb_usb_device *d, int enable)
{
struct cinergyt2_state *st = d->priv;
int ret;
mutex_lock(&d->data_mutex);
st->data[0] = CINERGYT2_EP1_SLEEP_MODE;
st->data[1] = enable ? 0 : 1;
ret = dvb_usb_generic_rw(d, st->data, 2, st->data, 3, 0);
mutex_unlock(&d->data_mutex);
return ret;
}
static int cinergyt2_frontend_attach(struct dvb_usb_adapter *adap)
{
struct dvb_usb_device *d = adap->dev;
struct cinergyt2_state *st = d->priv;
int ret;
adap->fe_adap[0].fe = cinergyt2_fe_attach(adap->dev);
mutex_lock(&d->data_mutex);
st->data[0] = CINERGYT2_EP1_GET_FIRMWARE_VERSION;
ret = dvb_usb_generic_rw(d, st->data, 1, st->data, 3, 0);
if (ret < 0) {
deb_rc("cinergyt2_power_ctrl() Failed to retrieve sleep state info\n");
}
mutex_unlock(&d->data_mutex);
/* Copy this pointer as we are gonna need it in the release phase */
cinergyt2_usb_device = adap->dev;
return ret;
}
static struct rc_map_table rc_map_cinergyt2_table[] = {
{ 0x0401, KEY_POWER },
{ 0x0402, KEY_1 },
{ 0x0403, KEY_2 },
{ 0x0404, KEY_3 },
{ 0x0405, KEY_4 },
{ 0x0406, KEY_5 },
{ 0x0407, KEY_6 },
{ 0x0408, KEY_7 },
{ 0x0409, KEY_8 },
{ 0x040a, KEY_9 },
{ 0x040c, KEY_0 },
{ 0x040b, KEY_VIDEO },
{ 0x040d, KEY_REFRESH },
{ 0x040e, KEY_SELECT },
{ 0x040f, KEY_EPG },
{ 0x0410, KEY_UP },
{ 0x0414, KEY_DOWN },
{ 0x0411, KEY_LEFT },
{ 0x0413, KEY_RIGHT },
{ 0x0412, KEY_OK },
{ 0x0415, KEY_TEXT },
{ 0x0416, KEY_INFO },
{ 0x0417, KEY_RED },
{ 0x0418, KEY_GREEN },
{ 0x0419, KEY_YELLOW },
{ 0x041a, KEY_BLUE },
{ 0x041c, KEY_VOLUMEUP },
{ 0x041e, KEY_VOLUMEDOWN },
{ 0x041d, KEY_MUTE },
{ 0x041b, KEY_CHANNELUP },
{ 0x041f, KEY_CHANNELDOWN },
{ 0x0440, KEY_PAUSE },
{ 0x044c, KEY_PLAY },
{ 0x0458, KEY_RECORD },
{ 0x0454, KEY_PREVIOUS },
{ 0x0448, KEY_STOP },
{ 0x045c, KEY_NEXT }
};
/* Number of keypresses to ignore before detect repeating */
#define RC_REPEAT_DELAY 3
static int repeatable_keys[] = {
KEY_UP,
KEY_DOWN,
KEY_LEFT,
KEY_RIGHT,
KEY_VOLUMEUP,
KEY_VOLUMEDOWN,
KEY_CHANNELUP,
KEY_CHANNELDOWN
};
static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
{
struct cinergyt2_state *st = d->priv;
int i, ret;
*state = REMOTE_NO_KEY_PRESSED;
mutex_lock(&d->data_mutex);
st->data[0] = CINERGYT2_EP1_GET_RC_EVENTS;
ret = dvb_usb_generic_rw(d, st->data, 1, st->data, 5, 0);
if (ret < 0)
goto ret;
if (st->data[4] == 0xff) {
/* key repeat */
st->rc_counter++;
if (st->rc_counter > RC_REPEAT_DELAY) {
for (i = 0; i < ARRAY_SIZE(repeatable_keys); i++) {
if (d->last_event == repeatable_keys[i]) {
*state = REMOTE_KEY_REPEAT;
*event = d->last_event;
deb_rc("repeat key, event %x\n",
*event);
goto ret;
}
}
deb_rc("repeated key (non repeatable)\n");
}
goto ret;
}
/* hack to pass checksum on the custom field */
st->data[2] = ~st->data[1];
dvb_usb_nec_rc_key_to_event(d, st->data, event, state);
if (st->data[0] != 0) {
if (*event != d->last_event)
st->rc_counter = 0;
deb_rc("key: %*ph\n", 5, st->data);
}
ret:
mutex_unlock(&d->data_mutex);
return ret;
}
static int cinergyt2_usb_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
return dvb_usb_device_init(intf, &cinergyt2_properties,
THIS_MODULE, NULL, adapter_nr);
}
static struct usb_device_id cinergyt2_usb_table[] = {
{ USB_DEVICE(USB_VID_TERRATEC, 0x0038) },
{ 0 }
};
MODULE_DEVICE_TABLE(usb, cinergyt2_usb_table);
static struct dvb_usb_device_properties cinergyt2_properties = {
.size_of_priv = sizeof(struct cinergyt2_state),
.num_adapters = 1,
.adapter = {
{
.num_frontends = 1,
.fe = {{
.streaming_ctrl = cinergyt2_streaming_ctrl,
.frontend_attach = cinergyt2_frontend_attach,
/* parameter for the MPEG2-data transfer */
.stream = {
.type = USB_BULK,
.count = 5,
.endpoint = 0x02,
.u = {
.bulk = {
.buffersize = 512,
}
}
},
}},
}
},
.power_ctrl = cinergyt2_power_ctrl,
.rc.legacy = {
.rc_interval = 50,
.rc_map_table = rc_map_cinergyt2_table,
.rc_map_size = ARRAY_SIZE(rc_map_cinergyt2_table),
.rc_query = cinergyt2_rc_query,
},
.generic_bulk_ctrl_endpoint = 1,
.num_device_descs = 1,
.devices = {
{ .name = "TerraTec/qanu USB2.0 Highspeed DVB-T Receiver",
.cold_ids = {NULL},
.warm_ids = { &cinergyt2_usb_table[0], NULL },
},
{ NULL },
}
};
static struct usb_driver cinergyt2_driver = {
.name = "cinergyT2",
.probe = cinergyt2_usb_probe,
.disconnect = dvb_usb_device_exit,
.id_table = cinergyt2_usb_table
};
module_usb_driver(cinergyt2_driver);
MODULE_DESCRIPTION("Terratec Cinergy T2 DVB-T driver");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Tomi Orava");
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