diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/dtv5100-fe.c')
| -rw-r--r-- | drivers/media/dvb/dvb-usb/dtv5100-fe.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/drivers/media/dvb/dvb-usb/dtv5100-fe.c b/drivers/media/dvb/dvb-usb/dtv5100-fe.c new file mode 100644 index 00000000000..08fe33bcc5d --- /dev/null +++ b/drivers/media/dvb/dvb-usb/dtv5100-fe.c @@ -0,0 +1,147 @@ +/* + * DVB USB Linux driver for AME DTV-5100 USB2.0 DVB-T + * + * Copyright (C) 2008 Antoine Jacquet <royale@zerezo.com> + * http://royale.zerezo.com/dtv5100/ + * + * Inspired by dvb_dummy_fe.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include "dvb-usb.h" +#include "qt1010_priv.h" + +struct dtv5100_fe_state { + struct dvb_frontend frontend; +}; + +static int dtv5100_fe_read_status(struct dvb_frontend* fe, fe_status_t* status) +{ + *status = FE_HAS_SIGNAL + | FE_HAS_CARRIER + | FE_HAS_VITERBI + | FE_HAS_SYNC + | FE_HAS_LOCK; + + return 0; +} + +static int dtv5100_fe_read_ber(struct dvb_frontend* fe, u32* ber) +{ + *ber = 0; + return 0; +} + +static int dtv5100_fe_read_signal_strength(struct dvb_frontend* fe, u16* strength) +{ + *strength = 0; + return 0; +} + +static int dtv5100_fe_read_snr(struct dvb_frontend* fe, u16* snr) +{ + *snr = 0; + return 0; +} + +static int dtv5100_fe_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) +{ + *ucblocks = 0; + return 0; +} + +static int dtv5100_fe_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p) +{ + return 0; +} + +static int dtv5100_fe_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p) +{ + if (fe->ops.tuner_ops.set_params) { + fe->ops.tuner_ops.set_params(fe, p); + if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0); + } + + return 0; +} + +static int dtv5100_fe_sleep(struct dvb_frontend* fe) +{ + return 0; +} + +static int dtv5100_fe_init(struct dvb_frontend* fe) +{ + return 0; +} + +static void dtv5100_fe_release(struct dvb_frontend* fe) +{ + struct dtv5100_fe_state* state = fe->demodulator_priv; + kfree(state); +} + +static struct dvb_frontend_ops dtv5100_fe_ops; + +struct dvb_frontend* dtv5100_fe_attach(void) +{ + struct dtv5100_fe_state* state = NULL; + + /* allocate memory for the internal state */ + state = kmalloc(sizeof(struct dtv5100_fe_state), GFP_KERNEL); + if (state == NULL) goto error; + + /* create dvb_frontend */ + memcpy(&state->frontend.ops, &dtv5100_fe_ops, sizeof(struct dvb_frontend_ops)); + state->frontend.demodulator_priv = state; + return &state->frontend; + +error: + kfree(state); + return NULL; +} + +static struct dvb_frontend_ops dtv5100_fe_ops = { + + .info = { + .name = "Dummy DVB-T", + .type = FE_OFDM, + .frequency_min = QT1010_MIN_FREQ, + .frequency_max = QT1010_MAX_FREQ, + .frequency_stepsize = QT1010_STEP, + .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | + FE_CAN_FEC_4_5 | FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 | + FE_CAN_FEC_7_8 | FE_CAN_FEC_8_9 | FE_CAN_FEC_AUTO | + FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO | + FE_CAN_TRANSMISSION_MODE_AUTO | + FE_CAN_GUARD_INTERVAL_AUTO | + FE_CAN_HIERARCHY_AUTO, + }, + + .release = dtv5100_fe_release, + + .init = dtv5100_fe_init, + .sleep = dtv5100_fe_sleep, + + .set_frontend = dtv5100_fe_set_frontend, + .get_frontend = dtv5100_fe_get_frontend, + + .read_status = dtv5100_fe_read_status, + .read_ber = dtv5100_fe_read_ber, + .read_signal_strength = dtv5100_fe_read_signal_strength, + .read_snr = dtv5100_fe_read_snr, + .read_ucblocks = dtv5100_fe_read_ucblocks, +}; |