| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Michael Hunold | 1029 | 75.16% | 1 | 7.14% |
| Alex Woods | 203 | 14.83% | 1 | 7.14% |
| Mauro Carvalho Chehab | 63 | 4.60% | 4 | 28.57% |
| Peter Beutner | 33 | 2.41% | 1 | 7.14% |
| Dan Carpenter | 17 | 1.24% | 1 | 7.14% |
| Adrian Bunk | 6 | 0.44% | 1 | 7.14% |
| Patrick Boettcher | 6 | 0.44% | 1 | 7.14% |
| Al Viro | 5 | 0.37% | 1 | 7.14% |
| Max Kellermann | 4 | 0.29% | 1 | 7.14% |
| Harvey Harrison | 2 | 0.15% | 1 | 7.14% |
| Sakari Ailus | 1 | 0.07% | 1 | 7.14% |
| Total | 1369 | 14 |
/* * TTUSB DEC Frontend Driver * * Copyright (C) 2003-2004 Alex Woods <linux-dvb@giblets.org> * * 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 <media/dvb_frontend.h> #include "ttusbdecfe.h" #define LOF_HI 10600000 #define LOF_LO 9750000 struct ttusbdecfe_state { /* configuration settings */ const struct ttusbdecfe_config* config; struct dvb_frontend frontend; u8 hi_band; u8 voltage; }; static int ttusbdecfe_dvbs_read_status(struct dvb_frontend *fe, enum fe_status *status) { *status = FE_HAS_SIGNAL | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_CARRIER | FE_HAS_LOCK; return 0; } static int ttusbdecfe_dvbt_read_status(struct dvb_frontend *fe, enum fe_status *status) { struct ttusbdecfe_state* state = fe->demodulator_priv; u8 b[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; u8 result[4]; int len, ret; *status=0; ret=state->config->send_command(fe, 0x73, sizeof(b), b, &len, result); if(ret) return ret; if(len != 4) { printk(KERN_ERR "%s: unexpected reply\n", __func__); return -EIO; } switch(result[3]) { case 1: /* not tuned yet */ case 2: /* no signal/no lock*/ break; case 3: /* signal found and locked*/ *status = FE_HAS_SIGNAL | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_CARRIER | FE_HAS_LOCK; break; case 4: *status = FE_TIMEDOUT; break; default: pr_info("%s: returned unknown value: %d\n", __func__, result[3]); return -EIO; } return 0; } static int ttusbdecfe_dvbt_set_frontend(struct dvb_frontend *fe) { struct dtv_frontend_properties *p = &fe->dtv_property_cache; struct ttusbdecfe_state* state = (struct ttusbdecfe_state*) fe->demodulator_priv; u8 b[] = { 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff }; __be32 freq = htonl(p->frequency / 1000); memcpy(&b[4], &freq, sizeof (u32)); state->config->send_command(fe, 0x71, sizeof(b), b, NULL, NULL); return 0; } static int ttusbdecfe_dvbt_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings) { fesettings->min_delay_ms = 1500; /* Drift compensation makes no sense for DVB-T */ fesettings->step_size = 0; fesettings->max_drift = 0; return 0; } static int ttusbdecfe_dvbs_set_frontend(struct dvb_frontend *fe) { struct dtv_frontend_properties *p = &fe->dtv_property_cache; struct ttusbdecfe_state* state = (struct ttusbdecfe_state*) fe->demodulator_priv; u8 b[] = { 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; __be32 freq; __be32 sym_rate; __be32 band; __be32 lnb_voltage; freq = htonl(p->frequency + (state->hi_band ? LOF_HI : LOF_LO)); memcpy(&b[4], &freq, sizeof(u32)); sym_rate = htonl(p->symbol_rate); memcpy(&b[12], &sym_rate, sizeof(u32)); band = htonl(state->hi_band ? LOF_HI : LOF_LO); memcpy(&b[24], &band, sizeof(u32)); lnb_voltage = htonl(state->voltage); memcpy(&b[28], &lnb_voltage, sizeof(u32)); state->config->send_command(fe, 0x71, sizeof(b), b, NULL, NULL); return 0; } static int ttusbdecfe_dvbs_diseqc_send_master_cmd(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd *cmd) { struct ttusbdecfe_state* state = (struct ttusbdecfe_state*) fe->demodulator_priv; u8 b[] = { 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; if (cmd->msg_len > sizeof(b) - 4) return -EINVAL; memcpy(&b[4], cmd->msg, cmd->msg_len); state->config->send_command(fe, 0x72, sizeof(b) - (6 - cmd->msg_len), b, NULL, NULL); return 0; } static int ttusbdecfe_dvbs_set_tone(struct dvb_frontend *fe, enum fe_sec_tone_mode tone) { struct ttusbdecfe_state* state = (struct ttusbdecfe_state*) fe->demodulator_priv; state->hi_band = (SEC_TONE_ON == tone); return 0; } static int ttusbdecfe_dvbs_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage voltage) { struct ttusbdecfe_state* state = (struct ttusbdecfe_state*) fe->demodulator_priv; switch (voltage) { case SEC_VOLTAGE_13: state->voltage = 13; break; case SEC_VOLTAGE_18: state->voltage = 18; break; default: return -EINVAL; } return 0; } static void ttusbdecfe_release(struct dvb_frontend* fe) { struct ttusbdecfe_state* state = (struct ttusbdecfe_state*) fe->demodulator_priv; kfree(state); } static const struct dvb_frontend_ops ttusbdecfe_dvbt_ops; struct dvb_frontend* ttusbdecfe_dvbt_attach(const struct ttusbdecfe_config* config) { struct ttusbdecfe_state* state = NULL; /* allocate memory for the internal state */ state = kmalloc(sizeof(struct ttusbdecfe_state), GFP_KERNEL); if (state == NULL) return NULL; /* setup the state */ state->config = config; /* create dvb_frontend */ memcpy(&state->frontend.ops, &ttusbdecfe_dvbt_ops, sizeof(struct dvb_frontend_ops)); state->frontend.demodulator_priv = state; return &state->frontend; } static const struct dvb_frontend_ops ttusbdecfe_dvbs_ops; struct dvb_frontend* ttusbdecfe_dvbs_attach(const struct ttusbdecfe_config* config) { struct ttusbdecfe_state* state = NULL; /* allocate memory for the internal state */ state = kmalloc(sizeof(struct ttusbdecfe_state), GFP_KERNEL); if (state == NULL) return NULL; /* setup the state */ state->config = config; state->voltage = 0; state->hi_band = 0; /* create dvb_frontend */ memcpy(&state->frontend.ops, &ttusbdecfe_dvbs_ops, sizeof(struct dvb_frontend_ops)); state->frontend.demodulator_priv = state; return &state->frontend; } static const struct dvb_frontend_ops ttusbdecfe_dvbt_ops = { .delsys = { SYS_DVBT }, .info = { .name = "TechnoTrend/Hauppauge DEC2000-t Frontend", .frequency_min_hz = 51 * MHz, .frequency_max_hz = 858 * MHz, .frequency_stepsize_hz = 62500, .caps = 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_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 = ttusbdecfe_release, .set_frontend = ttusbdecfe_dvbt_set_frontend, .get_tune_settings = ttusbdecfe_dvbt_get_tune_settings, .read_status = ttusbdecfe_dvbt_read_status, }; static const struct dvb_frontend_ops ttusbdecfe_dvbs_ops = { .delsys = { SYS_DVBS }, .info = { .name = "TechnoTrend/Hauppauge DEC3000-s Frontend", .frequency_min_hz = 950 * MHz, .frequency_max_hz = 2150 * MHz, .frequency_stepsize_hz = 125 * kHz, .symbol_rate_min = 1000000, /* guessed */ .symbol_rate_max = 45000000, /* guessed */ .caps = 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 = ttusbdecfe_release, .set_frontend = ttusbdecfe_dvbs_set_frontend, .read_status = ttusbdecfe_dvbs_read_status, .diseqc_send_master_cmd = ttusbdecfe_dvbs_diseqc_send_master_cmd, .set_voltage = ttusbdecfe_dvbs_set_voltage, .set_tone = ttusbdecfe_dvbs_set_tone, }; MODULE_DESCRIPTION("TTUSB DEC DVB-T/S Demodulator driver"); MODULE_AUTHOR("Alex Woods/Andrew de Quincey"); MODULE_LICENSE("GPL"); EXPORT_SYMBOL(ttusbdecfe_dvbt_attach); EXPORT_SYMBOL(ttusbdecfe_dvbs_attach);
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