/*
- * Frontend driver for mobile DVB-T demodulator DiBcom 3000-MB
+ * Frontend driver for mobile DVB-T demodulator DiBcom 3000M-B
* DiBcom (http://www.dibcom.fr/)
*
- * Copyright (C) 2004 Patrick Boettcher (patrick.boettcher@desy.de)
+ * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
*
* based on GPL code from DibCom, which has
*
#include <linux/config.h>
#include <linux/kernel.h>
-#include <linux/version.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
+#include <linux/string.h>
+#include <linux/slab.h>
-#include "dvb_frontend.h"
#include "dib3000-common.h"
#include "dib3000mb_priv.h"
#include "dib3000.h"
/* Version information */
#define DRIVER_VERSION "0.1"
-#define DRIVER_DESC "DiBcom 3000-MB DVB-T demodulator driver"
+#define DRIVER_DESC "DiBcom 3000M-B DVB-T demodulator"
#define DRIVER_AUTHOR "Patrick Boettcher, patrick.boettcher@desy.de"
#ifdef CONFIG_DVB_DIBCOM_DEBUG
static int debug;
-module_param(debug, int, 0x644);
+module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=info,2=xfer,4=setfe,8=getfe (|-able)).");
#endif
#define deb_info(args...) dprintk(0x01,args)
struct dvb_frontend_parameters *fep);
static int dib3000mb_set_frontend(struct dvb_frontend* fe,
- struct dvb_frontend_parameters *fep, int tuner)
+ struct dvb_frontend_parameters *fep, int tuner)
{
- struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
+ struct dib3000_state* state = fe->demodulator_priv;
struct dvb_ofdm_parameters *ofdm = &fep->u.ofdm;
fe_code_rate_t fe_cr = FEC_NONE;
- int search_state,seq;
+ int search_state, seq;
- if (tuner) {
- wr(DIB3000MB_REG_TUNER,
- DIB3000_TUNER_WRITE_ENABLE(state->config.pll_addr));
+ if (tuner && state->config.pll_set) {
state->config.pll_set(fe, fep);
- wr(DIB3000MB_REG_TUNER,
- DIB3000_TUNER_WRITE_DISABLE(state->config.pll_addr));
deb_setf("bandwidth: ");
switch (ofdm->bandwidth) {
case BANDWIDTH_8_MHZ:
deb_setf("8 MHz\n");
- wr_foreach(dib3000mb_reg_timing_freq,dib3000mb_timing_freq[2]);
- wr_foreach(dib3000mb_reg_bandwidth,dib3000mb_bandwidth_8mhz);
+ wr_foreach(dib3000mb_reg_timing_freq, dib3000mb_timing_freq[2]);
+ wr_foreach(dib3000mb_reg_bandwidth, dib3000mb_bandwidth_8mhz);
break;
case BANDWIDTH_7_MHZ:
deb_setf("7 MHz\n");
- wr_foreach(dib3000mb_reg_timing_freq,dib3000mb_timing_freq[1]);
- wr_foreach(dib3000mb_reg_bandwidth,dib3000mb_bandwidth_7mhz);
+ wr_foreach(dib3000mb_reg_timing_freq, dib3000mb_timing_freq[1]);
+ wr_foreach(dib3000mb_reg_bandwidth, dib3000mb_bandwidth_7mhz);
break;
case BANDWIDTH_6_MHZ:
deb_setf("6 MHz\n");
- wr_foreach(dib3000mb_reg_timing_freq,dib3000mb_timing_freq[0]);
- wr_foreach(dib3000mb_reg_bandwidth,dib3000mb_bandwidth_6mhz);
+ wr_foreach(dib3000mb_reg_timing_freq, dib3000mb_timing_freq[0]);
+ wr_foreach(dib3000mb_reg_bandwidth, dib3000mb_bandwidth_6mhz);
break;
case BANDWIDTH_AUTO:
return -EOPNOTSUPP;
return -EINVAL;
}
}
- wr(DIB3000MB_REG_LOCK1_MASK,DIB3000MB_LOCK1_SEARCH_4);
+ wr(DIB3000MB_REG_LOCK1_MASK, DIB3000MB_LOCK1_SEARCH_4);
deb_setf("transmission mode: ");
switch (ofdm->transmission_mode) {
default:
return -EINVAL;
}
- deb_setf("hierachy: ");
+ deb_setf("hierachy: ");
switch (ofdm->hierarchy_information) {
case HIERARCHY_NONE:
deb_setf("none ");
/* fall through */
case HIERARCHY_1:
- deb_setf("alpha=1\n");
+ deb_setf("alpha=1\n");
wr(DIB3000MB_REG_VIT_ALPHA, DIB3000_ALPHA_1);
break;
case HIERARCHY_2:
- deb_setf("alpha=2\n");
+ deb_setf("alpha=2\n");
wr(DIB3000MB_REG_VIT_ALPHA, DIB3000_ALPHA_2);
break;
case HIERARCHY_4:
- deb_setf("alpha=4\n");
+ deb_setf("alpha=4\n");
wr(DIB3000MB_REG_VIT_ALPHA, DIB3000_ALPHA_4);
break;
case HIERARCHY_AUTO:
- deb_setf("alpha=auto\n");
+ deb_setf("alpha=auto\n");
break;
default:
return -EINVAL;
[ofdm->guard_interval == GUARD_INTERVAL_AUTO]
[fep->inversion == INVERSION_AUTO];
- deb_setf("seq? %d\n",seq);
+ deb_setf("seq? %d\n", seq);
- wr(DIB3000MB_REG_SEQ,seq);
+ wr(DIB3000MB_REG_SEQ, seq);
- wr(DIB3000MB_REG_ISI,seq ? DIB3000MB_ISI_INHIBIT : DIB3000MB_ISI_ACTIVATE);
+ wr(DIB3000MB_REG_ISI, seq ? DIB3000MB_ISI_INHIBIT : DIB3000MB_ISI_ACTIVATE);
if (ofdm->transmission_mode == TRANSMISSION_MODE_2K) {
if (ofdm->guard_interval == GUARD_INTERVAL_1_8) {
- wr(DIB3000MB_REG_SYNC_IMPROVEMENT,DIB3000MB_SYNC_IMPROVE_2K_1_8);
+ wr(DIB3000MB_REG_SYNC_IMPROVEMENT, DIB3000MB_SYNC_IMPROVE_2K_1_8);
} else {
- wr(DIB3000MB_REG_SYNC_IMPROVEMENT,DIB3000MB_SYNC_IMPROVE_DEFAULT);
+ wr(DIB3000MB_REG_SYNC_IMPROVEMENT, DIB3000MB_SYNC_IMPROVE_DEFAULT);
}
- wr(DIB3000MB_REG_UNK_121,DIB3000MB_UNK_121_2K);
+ wr(DIB3000MB_REG_UNK_121, DIB3000MB_UNK_121_2K);
} else {
- wr(DIB3000MB_REG_UNK_121,DIB3000MB_UNK_121_DEFAULT);
+ wr(DIB3000MB_REG_UNK_121, DIB3000MB_UNK_121_DEFAULT);
}
- wr(DIB3000MB_REG_MOBILE_ALGO,DIB3000MB_MOBILE_ALGO_OFF);
- wr(DIB3000MB_REG_MOBILE_MODE_QAM,DIB3000MB_MOBILE_MODE_QAM_OFF);
- wr(DIB3000MB_REG_MOBILE_MODE,DIB3000MB_MOBILE_MODE_OFF);
+ wr(DIB3000MB_REG_MOBILE_ALGO, DIB3000MB_MOBILE_ALGO_OFF);
+ wr(DIB3000MB_REG_MOBILE_MODE_QAM, DIB3000MB_MOBILE_MODE_QAM_OFF);
+ wr(DIB3000MB_REG_MOBILE_MODE, DIB3000MB_MOBILE_MODE_OFF);
- wr_foreach(dib3000mb_reg_agc_bandwidth,dib3000mb_agc_bandwidth_high);
+ wr_foreach(dib3000mb_reg_agc_bandwidth, dib3000mb_agc_bandwidth_high);
- wr(DIB3000MB_REG_ISI,DIB3000MB_ISI_ACTIVATE);
+ wr(DIB3000MB_REG_ISI, DIB3000MB_ISI_ACTIVATE);
- wr(DIB3000MB_REG_RESTART,DIB3000MB_RESTART_AGC+DIB3000MB_RESTART_CTRL);
- wr(DIB3000MB_REG_RESTART,DIB3000MB_RESTART_OFF);
+ wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_AGC + DIB3000MB_RESTART_CTRL);
+ wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_OFF);
/* wait for AGC lock */
msleep(70);
- wr_foreach(dib3000mb_reg_agc_bandwidth,dib3000mb_agc_bandwidth_low);
+ wr_foreach(dib3000mb_reg_agc_bandwidth, dib3000mb_agc_bandwidth_low);
/* something has to be auto searched */
if (ofdm->constellation == QAM_AUTO ||
fep->inversion == INVERSION_AUTO) {
int as_count=0;
- deb_setf("autosearch enabled.\n");
+ deb_setf("autosearch enabled.\n");
- wr(DIB3000MB_REG_ISI,DIB3000MB_ISI_INHIBIT);
+ wr(DIB3000MB_REG_ISI, DIB3000MB_ISI_INHIBIT);
- wr(DIB3000MB_REG_RESTART,DIB3000MB_RESTART_AUTO_SEARCH);
- wr(DIB3000MB_REG_RESTART,DIB3000MB_RESTART_OFF);
+ wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_AUTO_SEARCH);
+ wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_OFF);
while ((search_state =
dib3000_search_status(
rd(DIB3000MB_REG_LOCK2_VALUE))) < 0 && as_count++ < 100)
msleep(1);
- deb_info("search_state after autosearch %d after %d checks\n",search_state,as_count);
+ deb_setf("search_state after autosearch %d after %d checks\n",search_state,as_count);
if (search_state == 1) {
struct dvb_frontend_parameters feps;
}
} else {
- wr(DIB3000MB_REG_RESTART,DIB3000MB_RESTART_CTRL);
- wr(DIB3000MB_REG_RESTART,DIB3000MB_RESTART_OFF);
+ wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_CTRL);
+ wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_OFF);
}
return 0;
static int dib3000mb_fe_init(struct dvb_frontend* fe, int mobile_mode)
{
- struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
+ struct dib3000_state* state = fe->demodulator_priv;
- wr(DIB3000MB_REG_POWER_CONTROL,DIB3000MB_POWER_UP);
+ deb_info("dib3000mb is getting up.\n");
+ wr(DIB3000MB_REG_POWER_CONTROL, DIB3000MB_POWER_UP);
wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_AGC);
- wr(DIB3000MB_REG_RESET_DEVICE,DIB3000MB_RESET_DEVICE);
- wr(DIB3000MB_REG_RESET_DEVICE,DIB3000MB_RESET_DEVICE_RST);
+ wr(DIB3000MB_REG_RESET_DEVICE, DIB3000MB_RESET_DEVICE);
+ wr(DIB3000MB_REG_RESET_DEVICE, DIB3000MB_RESET_DEVICE_RST);
- wr(DIB3000MB_REG_CLOCK,DIB3000MB_CLOCK_DEFAULT);
+ wr(DIB3000MB_REG_CLOCK, DIB3000MB_CLOCK_DEFAULT);
- wr(DIB3000MB_REG_ELECT_OUT_MODE,DIB3000MB_ELECT_OUT_MODE_ON);
+ wr(DIB3000MB_REG_ELECT_OUT_MODE, DIB3000MB_ELECT_OUT_MODE_ON);
- wr(DIB3000MB_REG_DDS_FREQ_MSB,DIB3000MB_DDS_FREQ_MSB);
- wr(DIB3000MB_REG_DDS_FREQ_LSB,DIB3000MB_DDS_FREQ_LSB);
+ wr(DIB3000MB_REG_DDS_FREQ_MSB, DIB3000MB_DDS_FREQ_MSB);
+ wr(DIB3000MB_REG_DDS_FREQ_LSB, DIB3000MB_DDS_FREQ_LSB);
- wr_foreach(dib3000mb_reg_timing_freq,dib3000mb_timing_freq[2]);
+ wr_foreach(dib3000mb_reg_timing_freq, dib3000mb_timing_freq[2]);
wr_foreach(dib3000mb_reg_impulse_noise,
dib3000mb_impulse_noise_values[DIB3000MB_IMPNOISE_OFF]);
- wr_foreach(dib3000mb_reg_agc_gain,dib3000mb_default_agc_gain);
+ wr_foreach(dib3000mb_reg_agc_gain, dib3000mb_default_agc_gain);
- wr(DIB3000MB_REG_PHASE_NOISE,DIB3000MB_PHASE_NOISE_DEFAULT);
+ wr(DIB3000MB_REG_PHASE_NOISE, DIB3000MB_PHASE_NOISE_DEFAULT);
wr_foreach(dib3000mb_reg_phase_noise, dib3000mb_default_noise_phase);
- wr_foreach(dib3000mb_reg_lock_duration,dib3000mb_default_lock_duration);
+ wr_foreach(dib3000mb_reg_lock_duration, dib3000mb_default_lock_duration);
- wr_foreach(dib3000mb_reg_agc_bandwidth,dib3000mb_agc_bandwidth_low);
+ wr_foreach(dib3000mb_reg_agc_bandwidth, dib3000mb_agc_bandwidth_low);
- wr(DIB3000MB_REG_LOCK0_MASK,DIB3000MB_LOCK0_DEFAULT);
- wr(DIB3000MB_REG_LOCK1_MASK,DIB3000MB_LOCK1_SEARCH_4);
- wr(DIB3000MB_REG_LOCK2_MASK,DIB3000MB_LOCK2_DEFAULT);
+ wr(DIB3000MB_REG_LOCK0_MASK, DIB3000MB_LOCK0_DEFAULT);
+ wr(DIB3000MB_REG_LOCK1_MASK, DIB3000MB_LOCK1_SEARCH_4);
+ wr(DIB3000MB_REG_LOCK2_MASK, DIB3000MB_LOCK2_DEFAULT);
wr(DIB3000MB_REG_SEQ, dib3000_seq[1][1][1]);
- wr_foreach(dib3000mb_reg_bandwidth,dib3000mb_bandwidth_8mhz);
-
- wr(DIB3000MB_REG_UNK_68,DIB3000MB_UNK_68);
- wr(DIB3000MB_REG_UNK_69,DIB3000MB_UNK_69);
- wr(DIB3000MB_REG_UNK_71,DIB3000MB_UNK_71);
- wr(DIB3000MB_REG_UNK_77,DIB3000MB_UNK_77);
- wr(DIB3000MB_REG_UNK_78,DIB3000MB_UNK_78);
- wr(DIB3000MB_REG_ISI,DIB3000MB_ISI_INHIBIT);
- wr(DIB3000MB_REG_UNK_92,DIB3000MB_UNK_92);
- wr(DIB3000MB_REG_UNK_96,DIB3000MB_UNK_96);
- wr(DIB3000MB_REG_UNK_97,DIB3000MB_UNK_97);
- wr(DIB3000MB_REG_UNK_106,DIB3000MB_UNK_106);
- wr(DIB3000MB_REG_UNK_107,DIB3000MB_UNK_107);
- wr(DIB3000MB_REG_UNK_108,DIB3000MB_UNK_108);
- wr(DIB3000MB_REG_UNK_122,DIB3000MB_UNK_122);
- wr(DIB3000MB_REG_MOBILE_MODE_QAM,DIB3000MB_MOBILE_MODE_QAM_OFF);
- wr(DIB3000MB_REG_BERLEN,DIB3000MB_BERLEN_DEFAULT);
-
- wr_foreach(dib3000mb_reg_filter_coeffs,dib3000mb_filter_coeffs);
-
- wr(DIB3000MB_REG_MOBILE_ALGO,DIB3000MB_MOBILE_ALGO_ON);
- wr(DIB3000MB_REG_MULTI_DEMOD_MSB,DIB3000MB_MULTI_DEMOD_MSB);
- wr(DIB3000MB_REG_MULTI_DEMOD_LSB,DIB3000MB_MULTI_DEMOD_LSB);
-
- wr(DIB3000MB_REG_OUTPUT_MODE,DIB3000MB_OUTPUT_MODE_SLAVE);
-
- wr(DIB3000MB_REG_FIFO_142,DIB3000MB_FIFO_142);
- wr(DIB3000MB_REG_MPEG2_OUT_MODE,DIB3000MB_MPEG2_OUT_MODE_188);
+ wr_foreach(dib3000mb_reg_bandwidth, dib3000mb_bandwidth_8mhz);
+
+ wr(DIB3000MB_REG_UNK_68, DIB3000MB_UNK_68);
+ wr(DIB3000MB_REG_UNK_69, DIB3000MB_UNK_69);
+ wr(DIB3000MB_REG_UNK_71, DIB3000MB_UNK_71);
+ wr(DIB3000MB_REG_UNK_77, DIB3000MB_UNK_77);
+ wr(DIB3000MB_REG_UNK_78, DIB3000MB_UNK_78);
+ wr(DIB3000MB_REG_ISI, DIB3000MB_ISI_INHIBIT);
+ wr(DIB3000MB_REG_UNK_92, DIB3000MB_UNK_92);
+ wr(DIB3000MB_REG_UNK_96, DIB3000MB_UNK_96);
+ wr(DIB3000MB_REG_UNK_97, DIB3000MB_UNK_97);
+ wr(DIB3000MB_REG_UNK_106, DIB3000MB_UNK_106);
+ wr(DIB3000MB_REG_UNK_107, DIB3000MB_UNK_107);
+ wr(DIB3000MB_REG_UNK_108, DIB3000MB_UNK_108);
+ wr(DIB3000MB_REG_UNK_122, DIB3000MB_UNK_122);
+ wr(DIB3000MB_REG_MOBILE_MODE_QAM, DIB3000MB_MOBILE_MODE_QAM_OFF);
+ wr(DIB3000MB_REG_BERLEN, DIB3000MB_BERLEN_DEFAULT);
+
+ wr_foreach(dib3000mb_reg_filter_coeffs, dib3000mb_filter_coeffs);
+
+ wr(DIB3000MB_REG_MOBILE_ALGO, DIB3000MB_MOBILE_ALGO_ON);
+ wr(DIB3000MB_REG_MULTI_DEMOD_MSB, DIB3000MB_MULTI_DEMOD_MSB);
+ wr(DIB3000MB_REG_MULTI_DEMOD_LSB, DIB3000MB_MULTI_DEMOD_LSB);
+
+ wr(DIB3000MB_REG_OUTPUT_MODE, DIB3000MB_OUTPUT_MODE_SLAVE);
+
+ wr(DIB3000MB_REG_FIFO_142, DIB3000MB_FIFO_142);
+ wr(DIB3000MB_REG_MPEG2_OUT_MODE, DIB3000MB_MPEG2_OUT_MODE_188);
wr(DIB3000MB_REG_PID_PARSE, DIB3000MB_PID_PARSE_ACTIVATE);
- wr(DIB3000MB_REG_FIFO,DIB3000MB_FIFO_INHIBIT);
- wr(DIB3000MB_REG_FIFO_146,DIB3000MB_FIFO_146);
- wr(DIB3000MB_REG_FIFO_147,DIB3000MB_FIFO_147);
+ wr(DIB3000MB_REG_FIFO, DIB3000MB_FIFO_INHIBIT);
+ wr(DIB3000MB_REG_FIFO_146, DIB3000MB_FIFO_146);
+ wr(DIB3000MB_REG_FIFO_147, DIB3000MB_FIFO_147);
- wr(DIB3000MB_REG_DATA_IN_DIVERSITY,DIB3000MB_DATA_DIVERSITY_IN_OFF);
+ wr(DIB3000MB_REG_DATA_IN_DIVERSITY, DIB3000MB_DATA_DIVERSITY_IN_OFF);
- if (state->config.pll_init) {
- wr(DIB3000MB_REG_TUNER,
- DIB3000_TUNER_WRITE_ENABLE(state->config.pll_addr));
+ if (state->config.pll_init)
state->config.pll_init(fe);
- wr(DIB3000MB_REG_TUNER,
- DIB3000_TUNER_WRITE_DISABLE(state->config.pll_addr));
- }
return 0;
}
static int dib3000mb_get_frontend(struct dvb_frontend* fe,
struct dvb_frontend_parameters *fep)
{
- struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
+ struct dib3000_state* state = fe->demodulator_priv;
struct dvb_ofdm_parameters *ofdm = &fep->u.ofdm;
fe_code_rate_t *cr;
u16 tps_val;
return 0;
dds_val = ((rd(DIB3000MB_REG_DDS_VALUE_MSB) & 0xff) << 16) + rd(DIB3000MB_REG_DDS_VALUE_LSB);
+ deb_getf("DDS_VAL: %x %x %x",dds_val, rd(DIB3000MB_REG_DDS_VALUE_MSB), rd(DIB3000MB_REG_DDS_VALUE_LSB));
if (dds_val < threshold)
inv_test1 = 0;
else if (dds_val == threshold)
inv_test1 = 2;
dds_val = ((rd(DIB3000MB_REG_DDS_FREQ_MSB) & 0xff) << 16) + rd(DIB3000MB_REG_DDS_FREQ_LSB);
+ deb_getf("DDS_FREQ: %x %x %x",dds_val, rd(DIB3000MB_REG_DDS_FREQ_MSB), rd(DIB3000MB_REG_DDS_FREQ_LSB));
if (dds_val < threshold)
inv_test2 = 0;
else if (dds_val == threshold)
default:
err("Unexpected constellation returned by TPS (%d)", tps_val);
break;
- }
+ }
deb_getf("TPS: %d\n", tps_val);
if (rd(DIB3000MB_REG_TPS_HRCH)) {
static int dib3000mb_read_status(struct dvb_frontend* fe, fe_status_t *stat)
{
- struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
+ struct dib3000_state* state = fe->demodulator_priv;
*stat = 0;
if (rd(DIB3000MB_REG_TS_SYNC_LOCK))
*stat |= (FE_HAS_SYNC | FE_HAS_LOCK);
- deb_info("actual status is %2x\n",*stat);
+ deb_getf("actual status is %2x\n",*stat);
- deb_getf("tps %x %x %x %x %x\n",
- rd(DIB3000MB_REG_TPS_1),
- rd(DIB3000MB_REG_TPS_2),
- rd(DIB3000MB_REG_TPS_3),
- rd(DIB3000MB_REG_TPS_4),
- rd(DIB3000MB_REG_TPS_5));
-
- deb_info("autoval: tps: %d, qam: %d, hrch: %d, alpha: %d, hp: %d, lp: %d, guard: %d, fft: %d cell: %d\n",
+ deb_getf("autoval: tps: %d, qam: %d, hrch: %d, alpha: %d, hp: %d, lp: %d, guard: %d, fft: %d cell: %d\n",
rd(DIB3000MB_REG_TPS_LOCK),
rd(DIB3000MB_REG_TPS_QAM),
rd(DIB3000MB_REG_TPS_HRCH),
static int dib3000mb_read_ber(struct dvb_frontend* fe, u32 *ber)
{
- struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
+ struct dib3000_state* state = fe->demodulator_priv;
- *ber = ((rd(DIB3000MB_REG_BER_MSB) << 16) | rd(DIB3000MB_REG_BER_LSB) );
+ *ber = ((rd(DIB3000MB_REG_BER_MSB) << 16) | rd(DIB3000MB_REG_BER_LSB));
return 0;
}
-/*
- * Amaury:
- * signal strength is measured with dBm (power compared to mW)
- * the standard range is -90dBm(low power) to -10 dBm (strong power),
- * but the calibration is done for -100 dBm to 0dBm
- */
-#define DIB3000MB_AGC_REF_dBm -14
-#define DIB3000MB_GAIN_SLOPE_dBm 100
-#define DIB3000MB_GAIN_DELTA_dBm -2
+/* see dib3000-watch dvb-apps for exact calcuations of signal_strength and snr */
static int dib3000mb_read_signal_strength(struct dvb_frontend* fe, u16 *strength)
{
- struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
-
-/* TODO log10
- u16 sigpow = rd(DIB3000MB_REG_SIGNAL_POWER),
- n_agc_power = rd(DIB3000MB_REG_AGC_POWER),
- rf_power = rd(DIB3000MB_REG_RF_POWER);
- double rf_power_dBm, ad_power_dBm, minar_power_dBm;
-
- if (n_agc_power == 0 )
- n_agc_power = 1 ;
-
- ad_power_dBm = 10 * log10 ( (float)n_agc_power / (float)(1<<16) );
- minor_power_dBm = ad_power_dBm - DIB3000MB_AGC_REF_dBm;
- rf_power_dBm = (-DIB3000MB_GAIN_SLOPE_dBm * (float)rf_power / (float)(1<<16) +
- DIB3000MB_GAIN_DELTA_dBm) + minor_power_dBm;
- // relative rf_power
- *strength = (u16) ((rf_power_dBm + 100) / 100 * 0xffff);
-*/
+ struct dib3000_state* state = fe->demodulator_priv;
+
*strength = rd(DIB3000MB_REG_SIGNAL_POWER) * 0xffff / 0x170;
return 0;
}
-/*
- * Amaury:
- * snr is the signal quality measured in dB.
- * snr = 10*log10(signal power / noise power)
- * the best quality is near 35dB (cable transmission & good modulator)
- * the minimum without errors depend of transmission parameters
- * some indicative values are given in en300744 Annex A
- * ex : 16QAM 2/3 (Gaussian) = 11.1 dB
- *
- * If SNR is above 20dB, BER should be always 0.
- * choose 0dB as the minimum
- */
static int dib3000mb_read_snr(struct dvb_frontend* fe, u16 *snr)
{
- struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
+ struct dib3000_state* state = fe->demodulator_priv;
short sigpow = rd(DIB3000MB_REG_SIGNAL_POWER);
int icipow = ((rd(DIB3000MB_REG_NOISE_POWER_MSB) & 0xff) << 16) |
rd(DIB3000MB_REG_NOISE_POWER_LSB);
-/*
- float snr_dBm=0;
-
- if (sigpow > 0 && icipow > 0)
- snr_dBm = 10.0 * log10( (float) (sigpow<<8) / (float)icipow ) ;
- else if (sigpow > 0)
- snr_dBm = 35;
-
- *snr = (u16) ((snr_dBm / 35) * 0xffff);
-*/
*snr = (sigpow << 8) / ((icipow > 0) ? icipow : 1);
return 0;
}
static int dib3000mb_read_unc_blocks(struct dvb_frontend* fe, u32 *unc)
{
- struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
+ struct dib3000_state* state = fe->demodulator_priv;
- *unc = rd(DIB3000MB_REG_UNC);
+ *unc = rd(DIB3000MB_REG_PACKET_ERROR_RATE);
return 0;
}
static int dib3000mb_sleep(struct dvb_frontend* fe)
{
- struct dib3000_state* state = (struct dib3000_state*) fe->demodulator_priv;
-
- wr(DIB3000MB_REG_POWER_CONTROL,DIB3000MB_POWER_DOWN);
+ struct dib3000_state* state = fe->demodulator_priv;
+ deb_info("dib3000mb is going to bed.\n");
+ wr(DIB3000MB_REG_POWER_CONTROL, DIB3000MB_POWER_DOWN);
return 0;
}
static int dib3000mb_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune)
{
tune->min_delay_ms = 800;
- tune->step_size = 166667;
- tune->max_drift = 166667*2;
-
return 0;
}
static void dib3000mb_release(struct dvb_frontend* fe)
{
- struct dib3000_state *state = (struct dib3000_state*) fe->demodulator_priv;
+ struct dib3000_state *state = fe->demodulator_priv;
kfree(state);
}
/* pid filter and transfer stuff */
-static int dib3000mb_pid_control(struct dvb_frontend *fe,int pid,int onoff)
+static int dib3000mb_pid_control(struct dvb_frontend *fe,int index, int pid,int onoff)
{
struct dib3000_state *state = fe->demodulator_priv;
- int index = dib3000_get_pid_index(state->pid_list, DIB3000MB_NUM_PIDS, pid, &state->pid_list_lock,onoff);
pid = (onoff ? pid | DIB3000_ACTIVATE_PID_FILTERING : 0);
-
- if (index >= 0) {
- wr(index+DIB3000MB_REG_FIRST_PID,pid);
- } else {
- err("no more pids for filtering.");
- return -ENOMEM;
- }
+ wr(index+DIB3000MB_REG_FIRST_PID,pid);
return 0;
}
static int dib3000mb_fifo_control(struct dvb_frontend *fe, int onoff)
{
- struct dib3000_state *state = (struct dib3000_state*) fe->demodulator_priv;
+ struct dib3000_state *state = fe->demodulator_priv;
deb_xfer("%s fifo\n",onoff ? "enabling" : "disabling");
if (onoff) {
wr(DIB3000MB_REG_FIFO, DIB3000MB_FIFO_INHIBIT);
}
return 0;
- }
+}
static int dib3000mb_pid_parse(struct dvb_frontend *fe, int onoff)
{
- //struct dib3000_state *state = fe->demodulator_priv;
- /* switch it off and on */
+ struct dib3000_state *state = fe->demodulator_priv;
+ deb_xfer("%s pid parsing\n",onoff ? "enabling" : "disabling");
+ wr(DIB3000MB_REG_PID_PARSE,onoff);
return 0;
+}
+
+static int dib3000mb_tuner_pass_ctrl(struct dvb_frontend *fe, int onoff, u8 pll_addr)
+{
+ struct dib3000_state *state = fe->demodulator_priv;
+ if (onoff) {
+ wr(DIB3000MB_REG_TUNER, DIB3000_TUNER_WRITE_ENABLE(pll_addr));
+ } else {
+ wr(DIB3000MB_REG_TUNER, DIB3000_TUNER_WRITE_DISABLE(pll_addr));
}
+ return 0;
+}
static struct dvb_frontend_ops dib3000mb_ops;
struct dvb_frontend* dib3000mb_attach(const struct dib3000_config* config,
- struct i2c_adapter* i2c, struct dib3000_xfer_ops *xfer_ops)
+ struct i2c_adapter* i2c, struct dib_fe_xfer_ops *xfer_ops)
{
struct dib3000_state* state = NULL;
/* allocate memory for the internal state */
- state = (struct dib3000_state*) kmalloc(sizeof(struct dib3000_state), GFP_KERNEL);
+ state = kzalloc(sizeof(struct dib3000_state), GFP_KERNEL);
if (state == NULL)
goto error;
if (rd(DIB3000_REG_DEVICE_ID) != DIB3000MB_DEVICE_ID)
goto error;
- if (dib3000_init_pid_list(state,DIB3000MB_NUM_PIDS))
- goto error;
-
/* create dvb_frontend */
state->frontend.ops = &state->ops;
state->frontend.demodulator_priv = state;
xfer_ops->pid_parse = dib3000mb_pid_parse;
xfer_ops->fifo_ctrl = dib3000mb_fifo_control;
xfer_ops->pid_ctrl = dib3000mb_pid_control;
+ xfer_ops->tuner_pass_ctrl = dib3000mb_tuner_pass_ctrl;
return &state->frontend;
error:
- if (state)
kfree(state);
return NULL;
- }
+}
static struct dvb_frontend_ops dib3000mb_ops = {
.info = {
- .name = "DiBcom 3000-MB DVB-T",
- .type = FE_OFDM,
- .frequency_min = 44250000,
- .frequency_max = 867250000,
+ .name = "DiBcom 3000M-B DVB-T",
+ .type = FE_OFDM,
+ .frequency_min = 44250000,
+ .frequency_max = 867250000,
.frequency_stepsize = 62500,
.caps = FE_CAN_INVERSION_AUTO |
FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
FE_CAN_TRANSMISSION_MODE_AUTO |
FE_CAN_GUARD_INTERVAL_AUTO |
+ FE_CAN_RECOVER |
FE_CAN_HIERARCHY_AUTO,
},
git://git.onelab.eu / linux-2.6.git / blobdiff