/* * Driver for Dummy Frontend * * Written by Emard <emard@softhome.net> * * 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., 675 Mass Ave, Cambridge, MA 02139, USA.= */ #include <linux/module.h> #include <linux/init.h> #include <linux/string.h> #include <linux/slab.h> #include "dvb_frontend.h" #include "dvb_dummy_fe.h" struct dvb_dummy_fe_state { struct dvb_frontend frontend; }; static int dvb_dummy_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 dvb_dummy_fe_read_ber(struct dvb_frontend* fe, u32* ber) { *ber = 0; return 0; } static int dvb_dummy_fe_read_signal_strength(struct dvb_frontend* fe, u16* strength) { *strength = 0; return 0; } static int dvb_dummy_fe_read_snr(struct dvb_frontend* fe, u16* snr) { *snr = 0; return 0; } static int dvb_dummy_fe_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) { *ucblocks = 0; return 0; } static int dvb_dummy_fe_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p) { return 0; } static int dvb_dummy_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 dvb_dummy_fe_sleep(struct dvb_frontend* fe) { return 0; } static int dvb_dummy_fe_init(struct dvb_frontend* fe) { return 0; } static int dvb_dummy_fe_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone) { return 0; } static int dvb_dummy_fe_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage) { return 0; } static void dvb_dummy_fe_release(struct dvb_frontend* fe) { struct dvb_dummy_fe_state* state = fe->demodulator_priv; kfree(state); } static struct dvb_frontend_ops dvb_dummy_fe_ofdm_ops; struct dvb_frontend* dvb_dummy_fe_ofdm_attach(void) { struct dvb_dummy_fe_state* state = NULL; /* allocate memory for the internal state */ state = kzalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL); if (state == NULL) goto error; /* create dvb_frontend */ memcpy(&state->frontend.ops, &dvb_dummy_fe_ofdm_ops, sizeof(struct dvb_frontend_ops)); state->frontend.demodulator_priv = state; return &state->frontend; error: kfree(state); return NULL; } static struct dvb_frontend_ops dvb_dummy_fe_qpsk_ops; struct dvb_frontend *dvb_dummy_fe_qpsk_attach(void) { struct dvb_dummy_fe_state* state = NULL; /* allocate memory for the internal state */ state = kzalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL); if (state == NULL) goto error; /* create dvb_frontend */ memcpy(&state->frontend.ops, &dvb_dummy_fe_qpsk_ops, sizeof(struct dvb_frontend_ops)); state->frontend.demodulator_priv = state; return &state->frontend; error: kfree(state); return NULL; } static struct dvb_frontend_ops dvb_dummy_fe_qam_ops; struct dvb_frontend *dvb_dummy_fe_qam_attach(void) { struct dvb_dummy_fe_state* state = NULL; /* allocate memory for the internal state */ state = kzalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL); if (state == NULL) goto error; /* create dvb_frontend */ memcpy(&state->frontend.ops, &dvb_dummy_fe_qam_ops, sizeof(struct dvb_frontend_ops)); state->frontend.demodulator_priv = state; return &state->frontend; error: kfree(state); return NULL; } static struct dvb_frontend_ops dvb_dummy_fe_ofdm_ops = { .info = { .name = "Dummy DVB-T", .type = FE_OFDM, .frequency_min = 0, .frequency_max = 863250000, .frequency_stepsize = 62500, .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 = dvb_dummy_fe_release, .init = dvb_dummy_fe_init, .sleep = dvb_dummy_fe_sleep, .set_frontend = dvb_dummy_fe_set_frontend, .get_frontend = dvb_dummy_fe_get_frontend, .read_status = dvb_dummy_fe_read_status, .read_ber = dvb_dummy_fe_read_ber, .read_signal_strength = dvb_dummy_fe_read_signal_strength, .read_snr = dvb_dummy_fe_read_snr, .read_ucblocks = dvb_dummy_fe_read_ucblocks, }; static struct dvb_frontend_ops dvb_dummy_fe_qam_ops = { .info = { .name = "Dummy DVB-C", .type = FE_QAM, .frequency_stepsize = 62500, .frequency_min = 51000000, .frequency_max = 858000000, .symbol_rate_min = (57840000/2)/64, /* SACLK/64 == (XIN/2)/64 */ .symbol_rate_max = (57840000/2)/4, /* SACLK/4 */ .caps = FE_CAN_QAM_16 | FE_CAN_QAM_32 | FE_CAN_QAM_64 | FE_CAN_QAM_128 | FE_CAN_QAM_256 | FE_CAN_FEC_AUTO | FE_CAN_INVERSION_AUTO }, .release = dvb_dummy_fe_release, .init = dvb_dummy_fe_init, .sleep = dvb_dummy_fe_sleep, .set_frontend = dvb_dummy_fe_set_frontend, .get_frontend = dvb_dummy_fe_get_frontend, .read_status = dvb_dummy_fe_read_status, .read_ber = dvb_dummy_fe_read_ber, .read_signal_strength = dvb_dummy_fe_read_signal_strength, .read_snr = dvb_dummy_fe_read_snr, .read_ucblocks = dvb_dummy_fe_read_ucblocks, }; static struct dvb_frontend_ops dvb_dummy_fe_qpsk_ops = { .info = { .name = "Dummy DVB-S", .type = FE_QPSK, .frequency_min = 950000, .frequency_max = 2150000, .frequency_stepsize = 250, /* kHz for QPSK frontends */ .frequency_tolerance = 29500, .symbol_rate_min = 1000000, .symbol_rate_max = 45000000, .caps = FE_CAN_INVERSION_AUTO | FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | FE_CAN_QPSK }, .release = dvb_dummy_fe_release, .init = dvb_dummy_fe_init, .sleep = dvb_dummy_fe_sleep, .set_frontend = dvb_dummy_fe_set_frontend, .get_frontend = dvb_dummy_fe_get_frontend, .read_status = dvb_dummy_fe_read_status, .read_ber = dvb_dummy_fe_read_ber, .read_signal_strength = dvb_dummy_fe_read_signal_strength, .read_snr = dvb_dummy_fe_read_snr, .read_ucblocks = dvb_dummy_fe_read_ucblocks, .set_voltage = dvb_dummy_fe_set_voltage, .set_tone = dvb_dummy_fe_set_tone, }; MODULE_DESCRIPTION("DVB DUMMY Frontend"); MODULE_AUTHOR("Emard"); MODULE_LICENSE("GPL"); EXPORT_SYMBOL(dvb_dummy_fe_ofdm_attach); EXPORT_SYMBOL(dvb_dummy_fe_qam_attach); EXPORT_SYMBOL(dvb_dummy_fe_qpsk_attach);