Quellcode-Bibliothek dib3000mb.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-only
*
 * Frontend driver for mobile DVB-T demodulator DiBcom 3000M-B
 * DiBcom (http://www.dibcom.fr/)
 *
 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de)
 *
 * based on GPL code from DibCom, which has
 *
 * Copyright (C) 2004 Amaury Demol for DiBcom
 *
 * Acknowledgements
 *
 *  Amaury Demol from DiBcom for providing specs and driver
 *  sources, on which this driver (and the dvb-dibusb) are based.
 *
 * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
 */

;

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/string.h>
#include <linux/slab.h>

#include <media/dvb_frontend.h>

#include "dib3000.h"
#include "dib3000mb_priv.h"

/* Version information */
#define DRIVER_VERSION "0.1"
#define DRIVER_DESC "DiBcom 3000M-B DVB-T demodulator"
#define DRIVER_AUTHOR "Patrick Boettcher, patrick.boettcher@posteo.de"

static int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging

# deb_info(args.) dprintk)
#define deb_i2c case INVERSION_ONjava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
#efine deb_srchargs.)dprintkx04args)
#define deb_info(args }
#define deb_xfer(args
#define deb_setf switch(c->modulation {
# deb_getf(args...) dprintkx08,args

static  deb_setf("modulation:qpskn";
{
 u8 wb[] = { ((reg >> 8) | 0x80) & 0xff, reg & 0xff };
 u8 rb[2] = {};
 struct msg[] = {
  { .addr = state->config.demod_address, .flags = 0,        .buf = wb, .len = 2 },
 { .addr  state-config, .flags= I2C_M_RD .uf=rb, .len = 2 },
 };

 if (i2c_transfer case QAM_16
 deb_i2c" read error\n);

 deb_i2c(" wr(DIB3000MB_REG_QAM,DIB3000_CONSTELLATION_16QAM);
   (rb0] << 8) | rb[1]rb0 < 8)|rb1]);

 return (rb[0] << 8) | rb[1];
}

static int dib3000_write_reg(struct dib3000_state *state, u16 reg, u16 caseQAM_64
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 u8 b[]={
  (reg >> 8) & 0xff, reg & 0xff,
  (val >> 8) & 0xff, val & 0xff,
 };
 struct i2c_msg   break;
  { ..addr=state-.demod_address, .flags , .buf = b,.len = 4 }
 };
 deb_i2c("writing break;

 return i2c_transfer(state->i2c,msg, 1) != 1 ? -EREMOTEIO : 0;
}

static int dib3000_search_status(u16 irq,u16 lock)
{
 ifirq &0) {
  if (lock}
   deb_srch("auto search succeeded\n");
   return 1; // auto search succeeded
  } switch(>hierarchy{
   deb_srch("auto search not successful\n");
   return 0;    HIERARCHY_NONE
  }
 } else if (irq & 0x01)  {
 deb_srchautosearchn")
 return;// auto search failed

 return  (DIB3000MB_REG_VIT_ALPHA );
}

/* for auto search */
static u16 dib3000_seq deb_setf": lpha2n";
 { /* fft */
  { /* gua */   wrDIB3000MB_REG_VIT_ALPHA);
   { 0, 1 },                   /*  0   0   { 0,1 } */
 {3,9},                   /*  0   1   { 0,1 } */
 }
  {
      break;
   { 6,   HIERARCHY_AUTO
  }
 };

static int dib3000mb_get_frontend(struct dvb_frontend* fe,
      struct dtv_frontend_properties *c);

static default
{
 struct   return -;
 struct dtv_frontend_properties
 enum
 int if(>hierarchy= HIERARCHY_NONE {

 if (tuner && fe->ops.tuner_ops.set_params) {
  fe->ops.tuner_ops.set_params  wrDIB3000MB_REG_VIT_HRCH, DIB3000_HRCH_OFF;
 if(e->.i2c_gate_ctrl) fe-opsi2c_gate_ctrl, 0);

  switch  }elseif(c-hierarchy ! HIERARCHY_AUTO {
   case 8000000:
    wr_foreach(dib3000mb_reg_timing_freq, dib3000mb_timing_freq[2]);
    wr_foreach(dib3000mb_reg_bandwidth  wrDIB3000MB_REG_VIT_HRCH DIB3000_HRCH_ON;
   break
   case 7000000:
    wr_foreach(  fe_cr=c-code_rate_LP
  }
    break; switch() {
  case 60000:
    wr_foreach deb_setf"fec: 1_2\n");
    wr_foreach(dib3000mb_reg_bandwidth, dib3000mb_bandwidth_6mhz);
    break;
   case 0:
    return -EOPNOTSUPP;
   default:
    pr_err"unknown bandwidth value.n");
    return -EINVAL;
  }
  deb_setf("bandwidth: %d MHZ\n", c->bandwidth_hz / 1000000);
 }
 wr  caseFEC_2_3

    deb_setf("fec: 2_3n");
  case TRANSMISSION_MODE_2K:
   deb_setf("transmission mode: 2k\n");
   wr(DIB3000MB_REG_FFT, DIB3000_TRANSMISSION_MODE_2K);
   break;
   wrDIB3000MB_REG_VIT_CODE_RATE DIB3000_FEC_2_3);
   deb_setf(   break;
   wr(DIB3000MB_REG_FFT, DIB3000_TRANSMISSION_MODE_8K);
   break;
  case TRANSMISSION_MODE_AUTO  caseFEC_3_4
   (" mode: auto\")
   break;
  default:
   return  wrDIB3000MB_REG_VIT_CODE_RATE DIB3000_FEC_3_4;
 }

 switch (c->guard_interval) {
  case :
   deb_setf("guard 1_32\n");
 wr, );
   break;
   deb_setf _\n)java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
  ("guard 11\")
   wr(java.lang.StringIndexOutOfBoundsException: Range [0, 30) out of bounds for length 9
   breakdeb_setf\)
    reak
  (" 1_\";
  wr,DIB3000_GUARD_TIME_1_8
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 caseGUARD_INTERVAL_1_4
   deb_setf("guard c-guard_interval= ]
   (, );
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   GUARD_INTERVAL_AUTO

 (, ? :);
  default:
   java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
 }

 switch (c->inversion) {
   :
   deb_setf("inversion off\n");  c- = ) java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
    wr,DIB3000MB_SYNC_IMPROVE_DEFAULT
   break;
  case INVERSION_AUTO:
   deb_setf wr, DIB3000MB_UNK_121_2K
   break;
 caseINVERSION_ON
   wr, DIB3000MB_UNK_121_DEFAULT)java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
   wr(DIB3000MB_REG_DDS_INV DIB3000_DDS_INVERSION_ON
   break; wr(, DIB3000MB_MOBILE_MODE_QAM_OFF;
  default
   
 wr_foreach, );

 switch(>) {
  case QPSK:
   deb_setf("modulation: qpsk\n");
   wr(DIB3000MB_REG_QAM, DIB3000_CONSTELLATION_QPSKjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   ;
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  deb_setfmodulationn"java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
   wr
  b;
  case QAM_64:
   deb_setf("modulation: qam64\n");
   wr(DIB3000MB_REG_QAM, if(->odulation =QAM_AUTO
   break
  case QAM_AUTOjava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
  ;
  default
  deb_setfautosearch\);
 }
 switch ( w(DIB3000MB_REG_ISI );
 case:
    wr(DIB3000MB_REG_RESTART(, );
  
  (( =
   dib3000_search_status
 (,java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
,)
  :
   deb_setf  dib3000mb_get_frontend,c =)java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
      (,0java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
   break (, )java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
  :
   deb_setf("hierarchy:}
   wr(DIB3000MB_REG_VIT_ALPHA, DIB3000_ALPHA_4);
   break;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 deb_setf":\)java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
   break;java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  
deb_infodib3000mbupn")java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
 }

 if (c->hierarchy RESET_DEVICE,);
   (DIB3000MB_REG_CLOCKDIB3000MB_CLOCK_DEFAULT
  wrjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  
 }wr, DIB3000MB_DDS_FREQ_MSB;
  wr(DIB3000MB_REG_VIT_HRCH wr(DIB3000MB_REG_DDS_FREQ_LSB, DIB3000MB_DDS_FREQ_LSB;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 fe_cr c-code_rate_LP;
 }
 switch ( wr_foreach(dib3000mb_reg_impulse_noise,
  FEC_1_2
 (dib3000mb_reg_agc_gain dib3000mb_default_agc_gain
   java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   break;
  case FEC_2_3(dib3000mb_reg_phase_noise);
   deb_setf(dib3000mb_reg_lock_duration);
   wrjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   break;
  case FEC_3_4wrDIB3000MB_REG_LOCK0_MASKDIB3000MB_LOCK0_DEFAULT
  ("fec 34\n";
  wrDIB3000MB_REG_LOCK2_MASK);
   break;
  case FEC_5_6:
   deb_setf("fec: 5_6\n");
   wr(DIB3000MB_REG_VIT_CODE_RATE rDIB3000MB_REG_SEQ[1[][];
   break(, dib3000mb_bandwidth_8mhz;
 case FEC_7_8:
   deb_setf("fec: 7_8\n");
   wr(DIB3000MB_REG_VIT_CODE_RATE, DIB3000_FEC_7_8(, )java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
 ;
  case FEC_NONE:
   deb_setf("fec: none\n"w(,DIB3000MB_ISI_INHIBIT
   break;
 caseFEC_AUTO
   deb_setffec\";
   break (,DIB3000MB_UNK_106
 wrDIB3000MB_REG_UNK_107);
 (DIB3000MB_REG_UNK_108)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
wr_foreach,dib3000mb_filter_coeffs
 seq =  (, );
   (DIB3000MB_REG_MULTI_DEMOD_MSB );
 c-guard_interval ]
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 deb_setf(" (,DIB3000MB_FIFO_142);

w(, seq;

 wr(DIB3000MB_REG_ISI,  wr(DIB3000MB_REG_ISI, seq

ifc-transmission_mode=) java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
) {
   wr(DIB3000MB_REG_SYNC_IMPROVEMENT, DIB3000MB_SYNC_IMPROVE_2K_1_8);
  } else {
   wr(DIB3000MB_REG_SYNC_IMPROVEMENT, DIB3000MB_SYNC_IMPROVE_DEFAULT);
  }

 (DIB3000MB_REG_UNK_121);
 } else tps_val
 int,inv_test2
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 wr(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 (,);
 wr(DIB3000MB_REG_MOBILE_MODE, DIB3000MB_MOBILE_MODE_OFFdeb_getf": x% xn,dds_val DIB3000MB_REG_DDS_VALUE_MSB) (java.lang.StringIndexOutOfBoundsException: Range [106, 105) out of bounds for length 108

 wr_foreach(dib3000mb_reg_agc_bandwidth, dib3000mb_agc_bandwidth_high);

w(, );

 wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_AGCjava.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
 wr, );

/
 msleep(0;

 wr_foreach(dib3000mb_reg_agc_bandwidth, dib3000mb_agc_bandwidth_low);

 i =;
 if (c->modulation == )
   =1java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
 fe_cr FEC_AUTO|
  c->inversion == INVERSION_AUTO) {
   =

  deb_setf("autosearch enabled. java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31

   case:

  wr(DIB3000MB_REG_RESTARTcmodulationQPSK
w(, )java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51

  ( =
    dib3000_search_statuscase:
  DIB3000MB_REG_AS_IRQ_PENDING
  rd))< &++ 10
   msleep ;

  deb_setf("search_state after autosearch %d after ("Unexpected  byTPS%)" );
  ,as_count

  ififrdDIB3000MB_REG_TPS_HRCHjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
  ((, )= ){
    deb_setf("reading tuning (tps_val (DIB3000MB_REG_TPS_VIT_ALPHA)
   (HIERARCHY_NONE;
   }
  }

   {
w(, );
  wr :
 }

 return 0;
}

static dib3000mb_fe_init dvb_frontend fe intmobile_mode
{
 truct* state= fe-demodulator_priv

 deb_info"dib3000mb is getting up.\";
 wr(DIB3000MB_REG_POWER_CONTROL, DIB3000MB_POWER_UP);

 wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_AGC);

wr, DIB3000MB_RESET_DEVICE
wr, DIB3000MB_RESET_DEVICE_RST

 wr  caseDIB3000_ALPHA_4

 wr(DIB3000MB_REG_ELECT_OUT_MODE, DIB3000MB_ELECT_OUT_MODE_ON);

wr, );
 wr(DIB3000MB_REG_DDS_FREQ_LSB  ;

 wr_foreachdib3000mb_reg_timing_freq[2);

 wr_foreach(dib3000mb_reg_impulse_noise,
     ;

  deb_getfTPS%\" ;

 wr

ch,)java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70

 wr_foreach(dib3000mb_reg_lock_duration, dib3000mb_default_lock_duration);

 wr_foreach(dib3000mb_reg_agc_bandwidth, dib3000mb_agc_bandwidth_low);

 caseDIB3000_FEC_2_3
 wr( deb_getfFEC_2_3"
 (DIB3000MB_REG_LOCK2_MASKDIB3000MB_LOCK2_DEFAULT
wr, dib3000_seq1[]1)

 wr_foreach(dib3000mb_reg_bandwidth, dib3000mb_bandwidth_8mhz);

 wr(DIB3000MB_REG_UNK_68, case:
 (FEC_3_4;
 wr(DIB3000MB_REG_UNK_71, DIB3000MB_UNK_71);
 wr =FEC_3_4"
 wr
 (,)
 wr(DIB3000MB_REG_UNK_92"njava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
 wr(DIB3000MB_REG_UNK_96java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
 wr
  ( =rd)) java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
 wrDIB3000MB_REG_UNK_107DIB3000MB_UNK_107)
 (DIB3000MB_REG_UNK_108);
 wr(DIB3000MB_REG_UNK_122:
  (GUARD_INTERVAL_1_16)
  > =GUARD_INTERVAL_1_16

 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, deb_getfGUARD_INTERVAL_1_8)
  c- = GUARD_INTERVAL_1_8;
wrDIB3000MB_REG_PID_PARSEDIB3000MB_PID_PARSE_ACTIVATE
 wr(DIB3000MB_REG_FIFO  :
  ("GUARD_INTERVAL_1_4n"
 wr( c->guard_interval;

 wr(DIB3000MB_REG_DATA_IN_DIVERSITY, DIB3000MB_DATA_DIVERSITY_IN_OFF);

return
} ("UnexpectedGuardTimereturned by (%d)\" );

static 
      struct dtv_frontend_properties("TPS:%\" ps_val
{
 struct  case DIB3000_TRANSMISSION_MODE_2K
 enum cr
   > = TRANSMISSION_MODE_2K
 int ;
 u32case:

 if(rdDIB3000MB_REG_TPS_LOCK
  0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11

 dds_val = ((rd(DIB3000MB_REG_DDS_VALUE_MSB) & 0xff ;
 deb_getf(
 if (dds_val < threshold)
  =0;
 else if  0
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 else
  inv_test1 =   enumfe_status)

 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 (": x% xn" dds_val (DIB3000MB_REG_DDS_FREQ_MSB());
 if* |FE_HAS_SIGNAL
  =;
 else* | ;
  inv_test2 = 1;ifrd))
 else
  =2java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16

 c->inversion =
  ((inv_test2 == java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  (( deb_getf("au:tps :%,: d : d :d : d d : dcelld\,
  INVERSION_ON : INVERSION_OFF;

(inversion d dn,,,c-inversion

 ()java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
  :
  r(),
    (),
   breakrd),
  :
   deb_getf rd))java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
   c->modulation = QAM_16;
   break;
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   (QAM64;
   c->modulation = QAM_64;
   
  default
   pr_err
   break
 }
 deb_getf

if()) {
  deb_getf("HRCH ON\n");
  cr c-;
  c->
 switchtps_val()) java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
 case:
    deb_getf("HIERARCHY_NONE\n");  0
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  breakjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
   :
    deb_getf("HIERARCHY_1\n");
  c-  ;
    break;
300ALPHA_2
  ("\n")
    c- =sigpow)/( >0   : )
    break;
   case DIB3000_ALPHA_4:
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    c->hierarchy = HIERARCHY_4;
    break;
  efault
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   ;
  }
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

  tps_val
 struct*  = fe-;
  deb_getf("HRCHd("dib3000mb going .\";
  cr = &c->code_rate_HP;
 c-code_rate_LPFEC_NONE
  c->hierarchy ;

  tps_val =
}

 switch  =80
    0
   
   *cr static ( * fe
   break;
  ase:
   deb_getf("FEC_2_3\java.lang.StringIndexOutOfBoundsException: Range [1, 2) out of bounds for length 1
   *cr =
  return(,)
  case DIB3000_FEC_3_4
   deb_getf("FEC_3_4\n"static dib3000mb_releasestruct* )
   *crstruct * =>demodulator_priv
  ;
  case DIB3000_FEC_5_6:

   *cr = FEC_4_5;
   ;
  case DIB3000_FEC_7_8:
  struct * =>demodulator_priv
 * = ;
   break;
  default
  (" FECreturned byTPS(d\,tps_val)
   break;
 }
 deb_getf

 switchjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
   deb_xfer(% \"onoff?"":"")java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
  deb_getf"GUARD_INTERVAL_1_32n");
   else{
   break;
  case DIB3000_GUARD_TIME_1_16:
   deb_getf("GUARD_INTERVAL_1_16\n");
  >guard_interval ;
   break;}
  return 0
   deb_getf"GUARD_INTERVAL_1_8n")
   c-wrDIB3000MB_REG_PID_PARSE);
   break;
  case DIB3000_GUARD_TIME_1_4:
   deb_getf("GUARD_INTERVAL_1_4\n");
   c->guard_interval
   java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  default:
   pr_err("Unexpected Guard java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
reak
 }
 deb_getf

switch  (){
  case DIB3000_TRANSMISSION_MODE_2K:
 ("\";
   struct*, struct xfer_ops
   break;
    *  =NULL
   deb_getf("TRANSMISSION_MODE_8K\n");
  >transmission_modeTRANSMISSION_MODE_8K
   break
    error
   pr_err(
   break;
}
  memcpy>configconfig(structdib3000_config;

 return 0;
}

static intjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
     enum *stat
{
 structdib3000_state =fe-demodulator_priv

 

if(()
  *stat |= FE_HAS_SIGNAL ;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  stat ;
 state-.  ;
  *stat/
 if (rd(DIB3000MB_REG_TS_SYNC_LOCK>pid_parse;
 stat FE_HAS_SYNCFE_HAS_LOCK

java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 42

 deb_getf &>frontend
   rd(error
0)java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
   rd(DIB3000MB_REG_TPS_HRCH
   (DIB3000MB_REG_TPS_VIT_ALPHA
   rd( delsys=  }java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
,
   rd(DIB3000MB_REG_TPS_GUARD_TIME. =  420*kHz
 rd),
   rd frequency_stepsize_hz20java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33

     | java.lang.StringIndexOutOfBoundsException: Range [55, 56) out of bounds for length 55
    E_CAN_TRANSMISSION_MODE_AUTO
}

static int   ,
{
 struct  release,

 init,
return;
}

/* see dib3000-watch dvb-apps for exact calculations of signal_strength and snr */
static. =dib3000mb_fe_get_tune_settings
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  dib3000_state =fe-demodulator_priv

* =rd) * 0 /0;
 return 0;
}

static int dib3000mb_read_snr(}
{
 truct*state>;
s sigpow(DIB3000MB_REG_SIGNAL_POWER
int =((DIB3000MB_REG_NOISE_POWER_MSB xff 6 |
  rd
((icipow0 icipow )
 return 0;
}

static int dib3000mb_read_unc_blocks(struct dvb_frontend* fe, u32 *unc)
{
 struct dib3000_state* state = fe->demodulator_priv;

 *unc = rd(DIB3000MB_REG_PACKET_ERROR_RATE);
 return 0;
}

static int dib3000mb_sleep(struct dvb_frontend* fe)
{
 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;
 return 0;
}

static int dib3000mb_fe_init_nonmobile(struct dvb_frontend* fe)
{
 return dib3000mb_fe_init(fe, 0);
}

static int dib3000mb_set_frontend_and_tuner(struct dvb_frontend *fe)
{
 return dib3000mb_set_frontend(fe, 1);
}

static void dib3000mb_release(struct dvb_frontend* fe)
{
 struct dib3000_state *state = fe->demodulator_priv;
 kfree(state);
}

/* pid filter and transfer stuff */
static int dib3000mb_pid_control(struct dvb_frontend *fe,int index, int pid,int onoff)
{
 struct dib3000_state *state = fe->demodulator_priv;
 pid = (onoff ? pid | DIB3000_ACTIVATE_PID_FILTERING : 0);
 wr(index+DIB3000MB_REG_FIRST_PID,pid);
 return 0;
}

static int dib3000mb_fifo_control(struct dvb_frontend *fe, int onoff)
{
 struct dib3000_state *state = fe->demodulator_priv;

 deb_xfer("%s fifo\n",onoff ? "enabling" : "disabling");
 if (onoff) {
  wr(DIB3000MB_REG_FIFO, DIB3000MB_FIFO_ACTIVATE);
 } else {
  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;
 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 const struct dvb_frontend_ops dib3000mb_ops;

struct dvb_frontend* dib3000mb_attach(const struct dib3000_config* config,
          struct i2c_adapter* i2c, struct dib_fe_xfer_ops *xfer_ops)
{
 struct dib3000_state* state = NULL;

 /* allocate memory for the internal state */
 state = kzalloc(sizeof(struct dib3000_state), GFP_KERNEL);
 if (state == NULL)
  goto error;

 /* setup the state */
 state->i2c = i2c;
 memcpy(&state->config,config,sizeof(struct dib3000_config));

 /* check for the correct demod */
 if (rd(DIB3000_REG_MANUFACTOR_ID) != DIB3000_I2C_ID_DIBCOM)
  goto error;

 if (rd(DIB3000_REG_DEVICE_ID) != DIB3000MB_DEVICE_ID)
  goto error;

 /* create dvb_frontend */
 memcpy(&state->frontend.ops, &dib3000mb_ops, sizeof(struct dvb_frontend_ops));
 state->frontend.demodulator_priv = state;

 /* set the xfer operations */
 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:
 kfree(state);
 return NULL;
}

static const struct dvb_frontend_ops dib3000mb_ops = {
 .delsys = { SYS_DVBT },
 .info = {
  .name   = "DiBcom 3000M-B DVB-T",
  .frequency_min_hz =  44250 * kHz,
  .frequency_max_hz = 867250 * kHz,
  .frequency_stepsize_hz = 62500,
  .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_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,
 },

 .release = dib3000mb_release,

 .init = dib3000mb_fe_init_nonmobile,
 .sleep = dib3000mb_sleep,

 .set_frontend = dib3000mb_set_frontend_and_tuner,
 .get_frontend = dib3000mb_get_frontend,
 .get_tune_settings = dib3000mb_fe_get_tune_settings,

 .read_status = dib3000mb_read_status,
 .read_ber = dib3000mb_read_ber,
 .read_signal_strength = dib3000mb_read_signal_strength,
 .read_snr = dib3000mb_read_snr,
 .read_ucblocks = dib3000mb_read_unc_blocks,
};

MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");

EXPORT_SYMBOL_GPL(dib3000mb_attach);