diff options
Diffstat (limited to 'drivers/media/usb/dvb-usb/cinergyT2-core.c')
| -rw-r--r-- | drivers/media/usb/dvb-usb/cinergyT2-core.c | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb/cinergyT2-core.c b/drivers/media/usb/dvb-usb/cinergyT2-core.c new file mode 100644 index 000000000..4926c954e --- /dev/null +++ b/drivers/media/usb/dvb-usb/cinergyT2-core.c @@ -0,0 +1,265 @@ +// 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]; +}; + +/* Forward declaration */ +static const 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) { + if (adap->fe_adap[0].fe) + adap->fe_adap[0].fe->ops.release(adap->fe_adap[0].fe); + deb_rc("cinergyt2_power_ctrl() Failed to retrieve sleep state info\n"); + } + mutex_unlock(&d->data_mutex); + + 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); +} + +enum { + TERRATEC_CINERGY_T2, +}; + +static struct usb_device_id cinergyt2_usb_table[] = { + DVB_USB_DEV(TERRATEC, TERRATEC_CINERGY_T2), + { } +}; + +MODULE_DEVICE_TABLE(usb, cinergyt2_usb_table); + +static const 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[TERRATEC_CINERGY_T2], 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"); |