cregit-Linux how code gets into the kernel

Release 4.7 drivers/media/firewire/firedtv-fe.c

/*
 * FireDTV driver (formerly known as FireSAT)
 *
 * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com>
 * Copyright (C) 2008 Henrik Kurelid <henrik@kurelid.se>
 *
 *      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.
 */

#include <linux/device.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/types.h>

#include <dvb_frontend.h>

#include "firedtv.h"


static int fdtv_dvb_init(struct dvb_frontend *fe) { struct firedtv *fdtv = fe->sec_priv; int err; /* FIXME - allocate free channel at IRM */ fdtv->isochannel = fdtv->adapter.num; err = cmp_establish_pp_connection(fdtv, fdtv->subunit, fdtv->isochannel); if (err) { dev_err(fdtv->device, "could not establish point to point connection\n"); return err; } return fdtv_start_iso(fdtv); }

Contributors

PersonTokensPropCommitsCommitProp
greg kroah-hartmangreg kroah-hartman3953.42%116.67%
stefan richterstefan richter1723.29%350.00%
rambaldirambaldi912.33%116.67%
henrik kurelidhenrik kurelid810.96%116.67%
Total73100.00%6100.00%


static int fdtv_sleep(struct dvb_frontend *fe) { struct firedtv *fdtv = fe->sec_priv; fdtv_stop_iso(fdtv); cmp_break_pp_connection(fdtv, fdtv->subunit, fdtv->isochannel); fdtv->isochannel = -1; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
greg kroah-hartmangreg kroah-hartman3572.92%120.00%
rambaldirambaldi816.67%120.00%
henrik kurelidhenrik kurelid36.25%120.00%
stefan richterstefan richter24.17%240.00%
Total48100.00%5100.00%

#define LNBCONTROL_DONTCARE 0xff
static int fdtv_diseqc_send_master_cmd(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd) { struct firedtv *fdtv = fe->sec_priv; return avc_lnb_control(fdtv, LNBCONTROL_DONTCARE, LNBCONTROL_DONTCARE, LNBCONTROL_DONTCARE, 1, cmd); }

Contributors

PersonTokensPropCommitsCommitProp
greg kroah-hartmangreg kroah-hartman3687.80%133.33%
rambaldirambaldi49.76%133.33%
stefan richterstefan richter12.44%133.33%
Total41100.00%3100.00%


static int fdtv_diseqc_send_burst(struct dvb_frontend *fe, enum fe_sec_mini_cmd minicmd) { return 0; }

Contributors

PersonTokensPropCommitsCommitProp
greg kroah-hartmangreg kroah-hartman1583.33%133.33%
mauro carvalho chehabmauro carvalho chehab211.11%133.33%
rambaldirambaldi15.56%133.33%
Total18100.00%3100.00%


static int fdtv_set_tone(struct dvb_frontend *fe, enum fe_sec_tone_mode tone) { struct firedtv *fdtv = fe->sec_priv; fdtv->tone = tone; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
greg kroah-hartmangreg kroah-hartman2781.82%133.33%
rambaldirambaldi412.12%133.33%
mauro carvalho chehabmauro carvalho chehab26.06%133.33%
Total33100.00%3100.00%


static int fdtv_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage voltage) { struct firedtv *fdtv = fe->sec_priv; fdtv->voltage = voltage; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
greg kroah-hartmangreg kroah-hartman2781.82%133.33%
rambaldirambaldi412.12%133.33%
mauro carvalho chehabmauro carvalho chehab26.06%133.33%
Total33100.00%3100.00%


static int fdtv_read_status(struct dvb_frontend *fe, enum fe_status *status) { struct firedtv *fdtv = fe->sec_priv; struct firedtv_tuner_status stat; if (avc_tuner_status(fdtv, &stat)) return -EINVAL; if (stat.no_rf) *status = 0; else *status = FE_HAS_SIGNAL | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_CARRIER | FE_HAS_LOCK; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
greg kroah-hartmangreg kroah-hartman5881.69%120.00%
stefan richterstefan richter79.86%240.00%
rambaldirambaldi45.63%120.00%
mauro carvalho chehabmauro carvalho chehab22.82%120.00%
Total71100.00%5100.00%


static int fdtv_read_ber(struct dvb_frontend *fe, u32 *ber) { struct firedtv *fdtv = fe->sec_priv; struct firedtv_tuner_status stat; if (avc_tuner_status(fdtv, &stat)) return -EINVAL; *ber = stat.ber; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
greg kroah-hartmangreg kroah-hartman4178.85%125.00%
stefan richterstefan richter713.46%250.00%
rambaldirambaldi47.69%125.00%
Total52100.00%4100.00%


static int fdtv_read_signal_strength(struct dvb_frontend *fe, u16 *strength) { struct firedtv *fdtv = fe->sec_priv; struct firedtv_tuner_status stat; if (avc_tuner_status(fdtv, &stat)) return -EINVAL; *strength = stat.signal_strength << 8; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
greg kroah-hartmangreg kroah-hartman4074.07%120.00%
stefan richterstefan richter712.96%240.00%
rambaldirambaldi47.41%120.00%
henrik kurelidhenrik kurelid35.56%120.00%
Total54100.00%5100.00%


static int fdtv_read_snr(struct dvb_frontend *fe, u16 *snr) { struct firedtv *fdtv = fe->sec_priv; struct firedtv_tuner_status stat; if (avc_tuner_status(fdtv, &stat)) return -EINVAL; /* C/N[dB] = -10 * log10(snr / 65535) */ *snr = stat.carrier_noise_ratio * 257; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
henrik kurelidhenrik kurelid2647.27%120.00%
greg kroah-hartmangreg kroah-hartman1730.91%120.00%
stefan richterstefan richter814.55%240.00%
rambaldirambaldi47.27%120.00%
Total55100.00%5100.00%


static int fdtv_read_uncorrected_blocks(struct dvb_frontend *fe, u32 *ucblocks) { return -EOPNOTSUPP; }

Contributors

PersonTokensPropCommitsCommitProp
greg kroah-hartmangreg kroah-hartman1894.74%150.00%
rambaldirambaldi15.26%150.00%
Total19100.00%2100.00%


static int fdtv_set_frontend(struct dvb_frontend *fe) { struct dtv_frontend_properties *p = &fe->dtv_property_cache; struct firedtv *fdtv = fe->sec_priv; return avc_tuner_dsd(fdtv, p); }

Contributors

PersonTokensPropCommitsCommitProp
greg kroah-hartmangreg kroah-hartman2155.26%120.00%
mauro carvalho chehabmauro carvalho chehab1128.95%120.00%
rambaldirambaldi410.53%120.00%
stefan richterstefan richter25.26%240.00%
Total38100.00%5100.00%


void fdtv_frontend_init(struct firedtv *fdtv, const char *name) { struct dvb_frontend_ops *ops = &fdtv->fe.ops; struct dvb_frontend_info *fi = &ops->info; ops->init = fdtv_dvb_init; ops->sleep = fdtv_sleep; ops->set_frontend = fdtv_set_frontend; ops->read_status = fdtv_read_status; ops->read_ber = fdtv_read_ber; ops->read_signal_strength = fdtv_read_signal_strength; ops->read_snr = fdtv_read_snr; ops->read_ucblocks = fdtv_read_uncorrected_blocks; ops->diseqc_send_master_cmd = fdtv_diseqc_send_master_cmd; ops->diseqc_send_burst = fdtv_diseqc_send_burst; ops->set_tone = fdtv_set_tone; ops->set_voltage = fdtv_set_voltage; switch (fdtv->type) { case FIREDTV_DVB_S: ops->delsys[0] = SYS_DVBS; fi->frequency_min = 950000; fi->frequency_max = 2150000; fi->frequency_stepsize = 125; fi->symbol_rate_min = 1000000; fi->symbol_rate_max = 40000000; fi->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; break; case FIREDTV_DVB_S2: ops->delsys[0] = SYS_DVBS; ops->delsys[1] = SYS_DVBS2; fi->frequency_min = 950000; fi->frequency_max = 2150000; fi->frequency_stepsize = 125; fi->symbol_rate_min = 1000000; fi->symbol_rate_max = 40000000; fi->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 | FE_CAN_2G_MODULATION; break; case FIREDTV_DVB_C: ops->delsys[0] = SYS_DVBC_ANNEX_A; fi->frequency_min = 47000000; fi->frequency_max = 866000000; fi->frequency_stepsize = 62500; fi->symbol_rate_min = 870000; fi->symbol_rate_max = 6900000; fi->caps = FE_CAN_INVERSION_AUTO | FE_CAN_QAM_16 | FE_CAN_QAM_32 | FE_CAN_QAM_64 | FE_CAN_QAM_128 | FE_CAN_QAM_256 | FE_CAN_QAM_AUTO; break; case FIREDTV_DVB_T: ops->delsys[0] = SYS_DVBT; fi->frequency_min = 49000000; fi->frequency_max = 861000000; fi->frequency_stepsize = 62500; fi->caps = FE_CAN_INVERSION_AUTO | FE_CAN_FEC_2_3 | FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO | FE_CAN_HIERARCHY_AUTO; break; default: dev_err(fdtv->device, "no frontend for model type %d\n", fdtv->type); } strcpy(fi->name, name); fdtv->fe.dvb = &fdtv->adapter; fdtv->fe.sec_priv = fdtv; }

Contributors

PersonTokensPropCommitsCommitProp
stefan richterstefan richter15538.56%330.00%
greg kroah-hartmangreg kroah-hartman12029.85%110.00%
tommy jonssontommy jonsson5313.18%110.00%
mauro carvalho chehabmauro carvalho chehab4511.19%220.00%
rambaldirambaldi256.22%110.00%
beat michel liechtibeat michel liechti30.75%110.00%
henrik kurelidhenrik kurelid10.25%110.00%
Total402100.00%10100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
greg kroah-hartmangreg kroah-hartman50552.44%17.69%
stefan richterstefan richter22022.85%538.46%
rambaldirambaldi778.00%17.69%
mauro carvalho chehabmauro carvalho chehab646.65%323.08%
tommy jonssontommy jonsson535.50%17.69%
henrik kurelidhenrik kurelid414.26%17.69%
beat michel liechtibeat michel liechti30.31%17.69%
Total963100.00%13100.00%
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