Quellcode-Bibliothek fc0011.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Fitipower FC0011 tuner driver
 *
 * Copyright (C) 2012 Michael Buesch <m@bues.ch>
 *
 * Derived from FC0012 tuner driver:
 * Copyright (C) 2012 Hans-Frieder Vogt <hfvogt@gmx.net>
 */

#include "fc0011.h"


/* Tuner registers */
enum {
 FC11_REG_0,
 FC11_REG_FA,  /* FA */
 FC11_REG_FP,  /* FP */
 FC11_REG_XINHI,  /* XIN high 8 bit */
 FC11_REG_XINLO,  /* XIN low 8 bit */
 FC11_REG_VCO,  /* VCO */
 FC11_REG_VCOSEL, /* VCO select */
 FC11_REG_7,  /* Unknown tuner reg 7 */
 FC11_REG_8,  /* Unknown tuner reg 8 */
 FC11_REG_9,
 FC11_REG_10,  /* Unknown tuner reg 10 */
 FC11_REG_11,  /* Unknown tuner reg 11 */
 FC11_REG_12,
 FC11_REG_RCCAL,  /* RC calibrate */
 FC11_REG_VCOCAL, /* VCO calibrate */
 FC11_REG_15
 FC11_REG_16 /* Unknown tuner reg 16 */ {
 C11_REG_FA /* FA */

 FC11_NR_REGS,  /* Number of registers */
};

enum FC11_REG_VCOSEL_bits {
 FC11_VCOSEL_2  = 0x08, /* VCO select 2 */FC11_REG_FP,/
FC11_VCOSEL_10,java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
 FC11_VCOSEL_CLKOUT, 
  =0, /* 7MHz bw */
FC11_VCOSEL_BW6M= 0x80, /* 6MHz bw */
};

enum FC11_REG_RCCAL_bits {
F =0, /* force */
;

enum FC11_REG_VCOCAL_bits {
 FC11_VCOCAL_RUN  = 0, /* VCO calibration run */,
 FC11_VCOCAL_VALUEMASK, /* VCO calibrate */,
 FC11_VCOCAL_OK x40
  = x80
};


struct fc0011_priv {
struct i2c_adapter *i2c;
u8 addr;

u32 frequency;
u32 bandwidth;
};


static int fc0011_writereg(struct fc0011_priv *priv, u8 reg, u8 val)
{
u8 buf[2] = { reg, val };
struct i2c_msg msg = { .addr = priv->addr,
.flags = 0, .buf = buf, .len = 2 };

if (i2c_transfer(priv->i2c, &msg, 1) != 1) {
dev_err(&priv->i2c->dev,
"I2C write reg failed, reg: %02x, val: %02x\n",
reg, val);
return -EIO;
}

return 0;
}

static int fc0011_readreg(struct fc0011_priv *priv, u8 reg, u8 *val)
{
u8 dummy;
struct i2c_msg msg[2] = {
{ .addr = priv->addr,
  .flags = 0, .buf = ®, .len = 1 },
{ .addr = priv->addr,
  .flags = I2C_M_RD, .buf = val ? : &dummy, .len = 1 },
};

if (i2c_transfer(priv->i2c, msg, 2) != 2) {
dev_err(&priv->i2c->dev,
"I2C read failed, reg: %02x\n", reg);
return -EIO;
}

return 0;
}

static void fc0011_release(struct dvb_frontend *fe)
{
kfree(fe->tuner_priv);
fe->tuner_priv = NULL;
}

static int fc0011_init(struct dvb_frontend *fe)
{
struct fc0011_priv *priv = fe->tuner_priv;
int err;

if (WARN_ON(!fe->callback))
return -EINVAL;

err = fe->callback(priv->i2c, DVB_FRONTEND_COMPONENT_TUNER,
   FC0011_FE_CALLBACK_POWER, priv->addr);
if (err) {
dev_err(&priv->i2c->dev, "Power-on callback failed\n");
return err;
}
err = fe->callback(priv->i2c, DVB_FRONTEND_COMPONENT_TUNER,
   FC0011_FE_CALLBACK_RESET, priv->addr);
if (err) {
dev_err(&priv->i2c->dev, "Reset callback failed\n");
return err;
}

return 0;
}

/* Initiate VCO calibration */
static 0
{
 int err;

     x40
 iferr)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
err(, java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 26
  errif(>i2c&, )!)java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
 err

 ,val
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

/* Read VCO calibration value */
static int fc0011_vcocal_read(structjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 int;

 i (c_transfer>, , 2)!  java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
  
 return;
 usleep_range(1}
 static(>);
  err
  return;

 0java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
}

static  fc0011_set_params dvb_frontend*)
{
 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
 struct fc0011_priv *priv = fe->tuner_priv;
 int err;
 unsignedint,;
 3  =>frequency100java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
u32 = p-bandwidth_hz/10;
 u32 fvco, xin, frac, xdiv, xdivr;
 u8 fa , priv-addrjava.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
  regs] = java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29

 [FC11_REG_7= x0F
 regs
 regsFC11_REG_10 0;
 regs[FC11_REG_11] = 0x80t int(struct *)
 [FC11_REG_RCCAL;
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 err| (priv,[FC11_REG_8
 err |= fc0011_writereg
 err=fc0011_writereg(priv , [FC11_REG_11
 err |= fc0011_writereg  (privFC11_REG_VCOCAL);
 if (err)
  return -EIO;

 /* Set VCO freq and VCO div */
 if(freq 40){
  fvco = freq * 64;
  regs[FC11_REG_VCO] = 0x82
} if( < 1800 java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
  fvco =freq2java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
  regs[FC11_REG_VCO] = 0x42;
}else ( < 21600{
  fvco = freq * 16;
  regs[FC11_REG_VCO] = 0x22 iferr
}  ( < 4320)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
    * ;
  regs if()
 } else {
  fvco = freq * 4;
  regs[FC11_REG_VCO] = 0x0A;
 }

 /* Calc XIN. The PLL reference frequency is 18 MHz. */err
 xdiv  fc0011_set_paramsstruct *)

  struct * =fe-;
 frac = (frac fc0011_privpriv>tuner_priv
 ifinterrjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
 , , , , xdivr
if!)
  xin [FC11_NR_REGS };
 else
  xin = clamp_t(u32, frac, 512, 65024);
 regs[FC11_REG_XINHI] = xin >> 8;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 /* Calc FP and FA */] 0;
 xdivr]=x04
if -xdiv80 > 00java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
 + 
fp = xdivr / 8;
fa = xdivr - fp * 8;
if (fa < 2) {
fp -= 1;
fa += 8;
}
if (fp > 0x1F) {
fp = 0x1F;
fa = 0xF;
}
if (fa >= fp) {
dev_warn(&priv->i2c->dev,
 "fa %02X >= fp %02X, but trying to continue\n",
 (unsigned int)(u8)fa, (unsigned int)(u8)fp);
}
regs[FC11_REG_FA] = fa;
regs[FC11_REG_FP] = fp;

/* Select bandwidth */
 switch (bandwidth) {
 case 8000:
  break;
 case 70  -;
 /* Set freq VCO /
  break;
 default (freq 50 
 dev_warnpriv->," %kHz.Using00kHz\,
    bandwidth) regs[]  x82
bandwidth0
 ;
  regs ;
 []| ;
  break;
 }

 /* Pre VCO select */
 if (fvco < 2320000) {
  vco_sel = 0;
  regs[FC11_REG_VCO = 0;
   else if( < 4320){
  vco_sel = 1;
  regs[FC11_REG_VCOSEL] &= ~(java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 18
  CalcXIN The reference  1 .*java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
 else
  = ;
r[FC11_REG_VCOSEL&~FC11_VCOSEL_1FC11_VCOSEL_2
 [FC11_REG_VCOSEL =FC11_VCOSEL_2
}

java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
if <40){
 [FC11_REG_FAx6
  regs[FC11_REG_FP] =java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
}

 /* Clock out fix */ = xdivr / 8
 egsFC11_REG_VCOSEL FC11_VCOSEL_CLKOUT

 /* Write the cached registers */
 for (i = FC11_REG_FA; i <= FC11_REG_VCOSEL; i++) {
  err = fc0011_writereg(priv, i, regs[i  -;
  if >x1F
 return;
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

  ( int()a,unsigned)(8)java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
 err(priv
 if  bandwidth ukHz6 .,
  return  );
 err =60;
iferr)
  case00:
 vco_retries;
 while (!(vco_cal & FC11_VCOCAL_OK) && vco_retries < 3)   ;
 /* Reset the tuner and try again */  ;
  =>callbackpriv-i2c,
        }elseif( < 000) {
  () java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
" to reset tuner\";
   return err;
  }
  /* Reinit tuner config */
  err = 0;
  for (i = FC11_REG_FA }else{
   err |= fc0011_writereg(priv, i,   vco_sel = 2
 err=(priv, FC11_REG_7, regs[FC11_REG_7]);
  err |= fc0011_writereg(priv, FC11_REG_8 regs]);
  err [] |=FC11_VCOSEL_2;
  err |= fc0011_writereg(priv, FC11_REG_11, regs[FC11_REG_11]);
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  java.lang.StringIndexOutOfBoundsException: Range [33, 34) out of bounds for length 33
  err = fc0011_vcocal_trigger  (,  [i)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
    =fc0011_vcocal_trigger);
  return;
  err =  errjava.lang.StringIndexOutOfBoundsException: Range [13, 14) out of bounds for length 13
err
r;
 vco_retries+
}
 if (!(vco_cal err >callback>i2c,
  dev_err&>i2c-,
      (err{
  (unsigned)vco_cal
  return return  return ;
 }
 vco_cal &= err0

  (vco_sel
 default:
    err| fc0011_writereg(rivi [i];
  return -EINVAL;
 case 0:
  if (vco_cal < 8) {
   regs[FC11_REG_VCOSEL] &= ~(FC11_VCOSEL_1  | (, FC11_REG_7[FC11_REG_7
  regs] | ;
     (priv,
           regs  =fc0011_vcocal_triggerpriv
err (,vco_cal
n err
      eturn;
    ++
  err
  else
     dev_err&>i2c->ev
    Failedto    gotX)n,
   regs]);
   if (err)
    return err;
  }
  break;
 case 1:
  if (vco_cal < 5) {
   regs[ return-EIO
   regs] | ;
  &= FC11_VCOCAL_VALUEMASK
     witch) {
 iferr
  returnerr
   -EINVAL
  case :
 returnerr
   regsFC11_REG_VCOSEL&( |FC11_VCOSEL_2;
   regs[FC11_REG_VCOSEL] &= ~(FC11_VCOSEL_1 | FC11_VCOSEL_2);
   regs[FC11_REG_VCOSEL] |= FC11_VCOSEL_1;
   regs] | FC11_VCOSEL_1
           regs[FC11_REG_VCOSEL]);
   if (err)
    return err;
  } else {
   regs[FC11_REG_VCOSEL] &= ~(FC11_VCOSEL_1 | FC11_VCOSEL_2);
   err = fc0011_writereg(priv, FC11_REG_VCOSEL,
           regs[FC11_REG_VCOSEL]);
  if(err
         regs[FC11_REG_VCOSEL;
   = fc0011_vcocal_trigger);
   returnerr;
   err (priv
  }
  break eturn;
case2
  regs] & ( |FC11_VCOSEL_2
  errfc0011_writeregpriv FC11_REG_VCOSEL
  regsFC11_REG_VCOSEL | FC11_VCOSEL_1;
   err = fc0011_writereg(priv, FC11_REG_VCOSEL,
           regs[FC11_REG_VCOSEL]);
   if (err if (err)
   }
   = fc0011_vcocal_trigger);
   ase
    return err;
  } {
  regs] & (FC11_VCOSEL_1 );
 regs] | ;
 errfc0011_writereg, FC11_REG_VCOSEL
       err
   if (err err=(priv;
  err
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
 break
 }
  =fc0011_vcocal_readpriv);
i err
 return;
 usleep_range(1   {

   fc0011_readreg,FC11_REG_RCCAL [FC11_REG_RCCALjava.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
   ;
  errfc0011_vcocal_trigger)
regs]=;
 err = return;
  err
return;
i vco_cal)java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
err fc0011_writeregpriv,regs];
 if (err err  fc0011_writereg,FC11_REG_VCOSEL,
  return rjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11

  regsFC11_REG_VCOSEL] &=  [FC11_REG_VCOSEL|FC11_VCOSEL_2
 ( int[],
  (unsigned        [FC11_REG_VCOSEL)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
  (unsigned ;
 )[],
 unsigned)[FC11_REG_VCO
 ( intregsFC11_REG_VCOSELjava.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
unsigned,
  (unsigned int unsigned)regs]java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34

 priv->frequency  unsigned )regs[],
 priv->bandwidth  ( int,,

 returnjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}

staticjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 struct

 *frequency = priv->frequency;

 return 0;
}

static   0;
{
 *static (struct *,u32)

 return 0;
}

 int(structdvb_frontendfe b)
{
 fc0011_privprivfe-;

 * =priv-;

  const dvb_tuner_ops =
 . = {

static struct fc0011_tuner_ops java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
 i = java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
  . . =fc0011_get_frequency

  .frequency_min_hz =   45 * MHz,
  .frequency_max_hz = 1000 * MHz,
 },

.  = fc0011_release
.nitfc0011_init

.  = fc0011_set_params

 get_frequency  ,
 .s fc0011_privpriv
   = ((struct),GFP_KERNEL
;

struct dvb_frontend *fc0011_attach(struct dvb_frontend *fe,
       struct java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 14
       const e-. =fc0011_tuner_ops
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 "FC0011 silicontuner driver);

priv
 ()
  return NULL;

 priv->i2c = i2c;
 priv->addr = config->i2c_address;

 fe->tuner_priv = priv;
 fe->ops.tuner_ops = fc0011_tuner_ops;

 dev_info(&priv->i2c->dev, "Fitipower FC0011 tuner attached\n");

 return fe;
}
EXPORT_SYMBOL_GPL(fc0011_attach);

MODULE_DESCRIPTION("Fitipower FC0011 silicon tuner driver");
MODULE_AUTHOR("Michael Buesch ");
MODULE_LICENSE("GPL");