Release 4.11 drivers/media/dvb-frontends/dvb_dummy_fe.c
/*
* 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.
*/
#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,
enum fe_status *status)
{
*status = FE_HAS_SIGNAL
| FE_HAS_CARRIER
| FE_HAS_VITERBI
| FE_HAS_SYNC
| FE_HAS_LOCK;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Alan Cox | 23 | 71.88% | 1 | 25.00% |
| Michael Hunold | 7 | 21.88% | 2 | 50.00% |
| Mauro Carvalho Chehab | 2 | 6.25% | 1 | 25.00% |
| Total | 32 | 100.00% | 4 | 100.00% |
static int dvb_dummy_fe_read_ber(struct dvb_frontend* fe, u32* ber)
{
*ber = 0;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Michael Hunold | 14 | 60.87% | 1 | 50.00% |
| Alan Cox | 9 | 39.13% | 1 | 50.00% |
| Total | 23 | 100.00% | 2 | 100.00% |
static int dvb_dummy_fe_read_signal_strength(struct dvb_frontend* fe, u16* strength)
{
*strength = 0;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Michael Hunold | 18 | 78.26% | 1 | 50.00% |
| Alan Cox | 5 | 21.74% | 1 | 50.00% |
| Total | 23 | 100.00% | 2 | 100.00% |
static int dvb_dummy_fe_read_snr(struct dvb_frontend* fe, u16* snr)
{
*snr = 0;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Michael Hunold | 18 | 78.26% | 1 | 50.00% |
| Alan Cox | 5 | 21.74% | 1 | 50.00% |
| Total | 23 | 100.00% | 2 | 100.00% |
static int dvb_dummy_fe_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
{
*ucblocks = 0;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Michael Hunold | 15 | 65.22% | 1 | 50.00% |
| Alan Cox | 8 | 34.78% | 1 | 50.00% |
| Total | 23 | 100.00% | 2 | 100.00% |
/*
* Should only be implemented if it actually reads something from the hardware.
* Also, it should check for the locks, in order to avoid report wrong data
* to userspace.
*/
static int dvb_dummy_fe_get_frontend(struct dvb_frontend *fe,
struct dtv_frontend_properties *p)
{
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Michael Hunold | 11 | 57.89% | 1 | 33.33% |
| Mauro Carvalho Chehab | 5 | 26.32% | 1 | 33.33% |
| Alan Cox | 3 | 15.79% | 1 | 33.33% |
| Total | 19 | 100.00% | 3 | 100.00% |
static int dvb_dummy_fe_set_frontend(struct dvb_frontend *fe)
{
if (fe->ops.tuner_ops.set_params) {
fe->ops.tuner_ops.set_params(fe);
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrew de Quincey | 36 | 64.29% | 1 | 25.00% |
| Michael Hunold | 12 | 21.43% | 1 | 25.00% |
| Patrick Boettcher | 6 | 10.71% | 1 | 25.00% |
| Alan Cox | 2 | 3.57% | 1 | 25.00% |
| Total | 56 | 100.00% | 4 | 100.00% |
static int dvb_dummy_fe_sleep(struct dvb_frontend* fe)
{
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Michael Hunold | 14 | 100.00% | 1 | 100.00% |
| Total | 14 | 100.00% | 1 | 100.00% |
static int dvb_dummy_fe_init(struct dvb_frontend* fe)
{
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Michael Hunold | 11 | 78.57% | 1 | 50.00% |
| Alan Cox | 3 | 21.43% | 1 | 50.00% |
| Total | 14 | 100.00% | 2 | 100.00% |
static int dvb_dummy_fe_set_tone(struct dvb_frontend *fe,
enum fe_sec_tone_mode tone)
{
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Michael Hunold | 13 | 72.22% | 1 | 33.33% |
| Alan Cox | 3 | 16.67% | 1 | 33.33% |
| Mauro Carvalho Chehab | 2 | 11.11% | 1 | 33.33% |
| Total | 18 | 100.00% | 3 | 100.00% |
static int dvb_dummy_fe_set_voltage(struct dvb_frontend *fe,
enum fe_sec_voltage voltage)
{
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Michael Hunold | 12 | 66.67% | 1 | 33.33% |
| Alan Cox | 4 | 22.22% | 1 | 33.33% |
| Mauro Carvalho Chehab | 2 | 11.11% | 1 | 33.33% |
| Total | 18 | 100.00% | 3 | 100.00% |
static void dvb_dummy_fe_release(struct dvb_frontend* fe)
{
struct dvb_dummy_fe_state* state = fe->demodulator_priv;
kfree(state);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Michael Hunold | 25 | 100.00% | 1 | 100.00% |
| Total | 25 | 100.00% | 1 | 100.00% |
static const 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)
return NULL;
/* 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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Michael Hunold | 62 | 86.11% | 3 | 42.86% |
| Peter Senna Tschudin | 4 | 5.56% | 1 | 14.29% |
| Patrick Boettcher | 3 | 4.17% | 1 | 14.29% |
| Alan Cox | 2 | 2.78% | 1 | 14.29% |
| Matthias Schwarzott | 1 | 1.39% | 1 | 14.29% |
| Total | 72 | 100.00% | 7 | 100.00% |
static const 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)
return NULL;
/* 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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Michael Hunold | 59 | 81.94% | 2 | 28.57% |
| Peter Senna Tschudin | 4 | 5.56% | 1 | 14.29% |
| Patrick Boettcher | 3 | 4.17% | 1 | 14.29% |
| Hans Verkuil | 3 | 4.17% | 1 | 14.29% |
| Alan Cox | 2 | 2.78% | 1 | 14.29% |
| Matthias Schwarzott | 1 | 1.39% | 1 | 14.29% |
| Total | 72 | 100.00% | 7 | 100.00% |
static const 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)
return NULL;
/* 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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Michael Hunold | 61 | 84.72% | 2 | 33.33% |
| Peter Senna Tschudin | 4 | 5.56% | 1 | 16.67% |
| Hans Verkuil | 3 | 4.17% | 1 | 16.67% |
| Patrick Boettcher | 3 | 4.17% | 1 | 16.67% |
| Matthias Schwarzott | 1 | 1.39% | 1 | 16.67% |
| Total | 72 | 100.00% | 6 | 100.00% |
static const struct dvb_frontend_ops dvb_dummy_fe_ofdm_ops = {
.delsys = { SYS_DVBT },
.info = {
.name = "Dummy DVB-T",
.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 const struct dvb_frontend_ops dvb_dummy_fe_qam_ops = {
.delsys = { SYS_DVBC_ANNEX_A },
.info = {
.name = "Dummy DVB-C",
.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 const struct dvb_frontend_ops dvb_dummy_fe_qpsk_ops = {
.delsys = { SYS_DVBS },
.info = {
.name = "Dummy DVB-S",
.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);
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Michael Hunold | 744 | 76.70% | 4 | 23.53% |
| Alan Cox | 102 | 10.52% | 1 | 5.88% |
| Mauro Carvalho Chehab | 39 | 4.02% | 3 | 17.65% |
| Andrew de Quincey | 36 | 3.71% | 1 | 5.88% |
| Patrick Boettcher | 15 | 1.55% | 2 | 11.76% |
| Peter Senna Tschudin | 12 | 1.24% | 1 | 5.88% |
| Tim Schmielau | 6 | 0.62% | 1 | 5.88% |
| Max Kellermann | 6 | 0.62% | 1 | 5.88% |
| Hans Verkuil | 6 | 0.62% | 1 | 5.88% |
| Matthias Schwarzott | 3 | 0.31% | 1 | 5.88% |
| Sakari Ailus | 1 | 0.10% | 1 | 5.88% |
| Total | 970 | 100.00% | 17 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.