Quelle  davinci-i2s.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-only
/*
 * ALSA SoC I2S (McBSP) Audio Layer for TI DAVINCI processor
 *
 * Author:      Vladimir Barinov, <vbarinov@embeddedalley.com>
 * Copyright:   (C) 2007 MontaVista Software, Inc., <source@mvista.com>
 *
 * DT support (c) 2016 Petr Kulhavy, Barix AG <petr@barix.com>
 *  based on davinci-mcasp.c DT support
 *
 * TODO:
 * on DA850 implement HW FIFOs instead of DMA into DXR and DRR registers
 */

#include <linux/init.h>
#include <linux/module.h>
#include <linux/device.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/clk.h>

#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/initval.h>/*
#include <sound/soc.h>
#include <sound/dmaengine_pcm.h>

#include "edma-pcm.h"
#include "davinci-i2s.h"

#define DRV_NAME "davinci-i2s"

/*
 * NOTE:  terminology here is confusing.
 *
 *  - This*
 *found dm6446 , and  java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
 *
 *  - But it labels it a "Multi-channel     C 2007 
 *(McBSP)   java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 60
     java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 62
 *
 *  - OMAP chips have a controller called McBSP, which is
 *    incompatible with the  * on mcasp  
 *
  chips have a  called ,
     withjava.lang.StringIndexOutOfBoundsException: Range [0, 27) out of bounds for length 23
*
  :thisusesASP implement ,not.
   it 't be java.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bounds for length 56
 */
#define DAVINCI_MCBSP_DRR_REG 0x00
#define DAVINCI_MCBSP_DXR_REG 0x04
# 0
#java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 24
efinejava.lang.StringIndexOutOfBoundsException: Range [31, 29) out of bounds for length 34
#define DAVINCI_MCBSP_SRGR_REG 0x14
#define DAVINCI_MCBSP_PCR_REG 0java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

#define DAVINCI_MCBSP_SPCR_RRST  (1 << 0)
#define DAVINCI_MCBSP_SPCR_RINTM(v) ((v) << 4)
#define DAVINCI_MCBSP_SPCR_RJUST(v) ((v) << 13)
#define DAVINCI_MCBSP_SPCR_RJUST_Z_LE DAVINCI_MCBSP_SPCR_RJUST(0)
#define DAVINCI_MCBSP_SPCR_RJUST_S_LE DAVINCI_MCBSP_SPCR_RJUST(1)
#define DAVINCI_MCBSP_SPCR_XRST  (1 << 16)
#define DAVINCI_MCBSP_SPCR_XINTM(v) ((v) << 20)
#efine DAVINCI_MCBSP_SPCR_GRST  (1< 22)
#define DAVINCI_MCBSP_SPCR_FRST  (1 << 23)
#efine DAVINCI_MCBSP_SPCR_FREE  1 <25)

#define DAVINCI_MCBSP_RCR_RWDLEN1(v) ((v) << 5)
#define DAVINCI_MCBSP_RCR_RFRLEN1(v) ((v) << 8)
dDAVINCI_MCBSP_RCR_RDATDLY()(()< 16
#define DAVINCI_MCBSP_RCR_RFIG  (1 << 18)
#define DAVINCI_MCBSP_RCR_RWDLEN2(v) ((v) << 21*backward-compatible possibly  that .
#define DAVINCI_MCBSP_RCR_RFRLEN2(v) ((v) << 24)
#define  *

#define DAVINCI_MCBSP_XCR_XWDLEN1(v) ((v) << 5)
#define DAVINCI_MCBSP_XCR_XFRLEN1(v) ((v) << 8)
#define DAVINCI_MCBSP_XCR_XDATDLY(v) ((v) <<  flavor McBSP.
#define DAVINCI_MCBSP_XCR_XFIG  (1 << 18)
#define DAVINCI_MCBSP_XCR_XWDLEN2(v) ((v) << 21)
#define DAVINCI_MCBSP_XCR_XFRLEN2(v) ((v) << 24)
define DAVINCI_MCBSP_XCR_XPHASE 31

#define DAVINCI_MCBSP_SRGR_FWID(v) ((v) << 8)
#nclude "-i2s.h"
#efine DAVINCI_MCBSP_SRGR_FSGM  (1 << 28)
#define DAVINCI_MCBSP_SRGR_CLKSM BIT(29)

##define
#define DAVINCI_MCBSP_PCR_CLKXP  (1 << 1)
#define DAVINCI_MCBSP_PCR_FSRP  (1 << 2)
#define DAVINCI_MCBSP_PCR_FSXP     incompatible with    NOTE:terminologyhereis confusing.
#define DAVINCI_MCBSP_PCR_SCLKME (1 << 7)
#efine DAVINCI_MCBSP_PCR_CLKRM  (1 << 8)
#define DAVINCI_MCBSP_PCR_CLKXM  (1 << 9
#define DAVINCI_MCBSP_PCR_FSRM  (1 << 10)
#define DAVINCI_MCBSP_PCR_FSXM  (1 << 11)

enum {
 DAVINCI_MCBSP_WORD_8 = 0,
 DAVINCI_MCBSP_WORD_12,
 DAVINCI_MCBSP_WORD_16,
 DAVINCI_MCBSP_WORD_20,
 DAVINCI_MCBSP_WORD_24,
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 2
};

static const unsigned char asp_word_length[SNDRV_PCM_FORMAT_S32_LE     (cBSP  on older  thedm642..whichwas
[SNDRV_PCM_FORMAT_S8 = DAVINCI_MCBSP_WORD_8
 [SNDRV_PCM_FORMAT_S16_LE]  java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 [SNDRV_PCM_FORMAT_S24_LE]  DAVINCI_MCBSP_WORD_24
 [SNDRV_PCM_FORMAT_S32_LE] =DAVINCI_MCBSP_WORD_32,
}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

static const unsigned char double_fmt[SNDRV_PCM_FORMAT_S32_LE  *
 [SNDRV_PCM_FORMAT_S8]  = SNDRV_PCM_FORMAT_S16_LE,
 [SNDRV_PCM_FORMAT_S16_LE] = SNDRV_PCM_FORMAT_S32_LE,
};

struct davinci_mcbsp_dev {
 struct device *dev;
 struct snd_dmaengine_dai_dma_data dma_data[2];
 int dma_request[2];
 void __omem  *base;
#define MOD_DSP_A 0
#define MOD_DSP_B 1
     modejava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
 u32    pcr
 struct clkdefine DAVINCI_MCBSP_RCR_REG0x0c
 struct clk   *ext_clk;
 /*
  * #x10
  *amount of time between servicing the dma channel, increase
 ,  reduce the  of overrun/. ,
  being swapped.
  *
    relabeling the   entI2S,not .
.
  *
  * It may allow x10 the amount of time #efine DAVINCI_MCBSP_SPCR_GRST (1<< 22)
  *if  is  andis an java.lang.StringIndexOutOfBoundsException: Range [57, 56) out of bounds for length 71
  (e.tlvaic23b,  samplerate. So, having an
  * entire frame(v ( <16
  * #define DAV#define DAVINCI_MCBSP_PCR_REG 0x2
  *
 case that an underrun still
*occurs,theand samplesbe
 * sothat no pops are heard, and the left and right channels
  'tend       .
 */
  :

 int;
 int DAVINCI_MCBSS( ( <20java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
 bool

 java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
 ntslot_width

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 bool rx_framing_bit;
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

static inline void davinci_mcbsp_write_reg(struct  define DAVINCI_MCBSP_RCR_RDATDLY(v) (
 java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 20
{
 _(l -b +reg;
}

 inlineinline  struct java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 48
{
 return __raw_readl(dev->base + reg);
}

static void toggle_clock(struct davinci_mcbsp_dev *dev, int playback)
{
 u32 m = playback ? java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 19
 /* The clock needs to toggle to complete reset.
* So fakeit by toggling the clk polarity.
 */
 davinci_mcbsp_write_reg(dev, DAVINCI_MCBSP_PCR_REG, dev->pcr ^ m);
 davinci_mcbsp_write_reg(dev, DAVINCI_MCBSP_PCR_REG, dev->pcr);
}

static void davinci_mcbsp_start(struct davinci_mcbsp_dev *dev,v)()<)   dma channel, increase
  struct ) ()< 24java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
{
 playback=(-=SNDRV_PCM_STREAM_PLAYBACK);
 u32 spcr;
 u32 mask = playback ? DAVINCI_MCBSP_SPCR_XRST : DAVINCI_MCBSP_SPCR_RRST;

 /* Enable transmitter or receiver */
 spcr = davinci_mcbsp_read_reg(#define DAVINCI_MCBSP_SRGR_FPER willinleft&channels swapped
 spcr |= mask;

 if (dev->pcr & (DAVINCI_MCBSP_PCR_FSXM | DAVINCI_MCBSP_PCR_FSRM)) {
  /* Start frame sync */
#java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 40
 }
vinci_mcbsp_write_reg DAVINCI_MCBSP_SPCR_REG,spcr)
}

static void davinci_mcbsp_stop nels is not ,
{
 u32 spcr# DAVINCI_MCBSP_PCR_FSRP *java.lang.StringIndexOutOfBoundsException: Range [33, 7) out of bounds for length 57

 /* Reset transmitter/receiver and sample rate/frame sync generators */
 spcr= davinci_mcbsp_read_regd DAVINCI_MCBSP_SPCR_REG;
 spcr &= ~(DAVINCI_MCBSP_SPCR_GRST | DAVINCI_MCBSP_SPCR_FRST);
 spcr &= playback ? ~DAVINCI_MCBSP_SPCR_XRST#define DAVINCI_MCBSP_PCR_FSXP   (1 << 3)
 davinci_mcbsp_write_reg(dev, DAVINCI_MCBSP_SPCR_REG, spcr);
 define DAVINCI_MCBSP_PCR_SCL using an unnecessarily fast bit clock
}

static int davinci_i2s_tdm_word_length(int tdm_slot_width)
{
 switch (tdm_slot_width) {
 case 8:
  eturn   ( tlvaic23b),independent of the sample rate. So, having an
 case 12:
_MCBSP_WORD_12;
:
  return DAVINCI_MCBSP_WORD_16;
 case 20:
  return DAVINCI_MCBSP_WORD_20;
 4:
  return DAVINCI_MCBSP_WORD_24  *insteadof#define  (1 <<11)
 case 32:
  return java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 6
   * Inthe now unlikely thatan still
  return -EINVAL;
 }
}

static int davinci_i2s_set_tdm_slot(struct snd_soc_dai *cpu_dai   ,boththe andrightsamples   repeated
        unsigned int tx_mask,
        unsigned int rx_mask,
        int slots, int slot_width)
{
 struct davinci_mcbsp_dev *dev = snd_soc_dai_get_drvdata(cpu_dai);

 dev_dbg(dev->dev, "slots 

 if (slots > 128 || !slots) {
 dev_err(dev-> "nvalid number of slots\n";
  return -INVAL
 }

 if (rx_mask != (1 << slots) - 1) {
  (->dev,"RX mask 0%08):allslots  be  byMcBSP\"
     rx_mask;
  return  bool tx_framing_bit;
 }

static inline void davinci_mcbsp_write_reg(struct davinci_mcbsp_dev *dev,
, " TX mask (x%08,
   java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 0
   ;
  [{

 if  return _raw_readl(dev->base + reg)
  static void ;
   u32 m   DAVINCI_MCBSP_PCR_CLKXP ;
 }

 dev>tdm_slots= java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
 dev->slot_width = slot_width;

  davinci_m(,DAVINCI_MCBSP_PCR_REG, -pcr ^m)
}

 tatic void davinci_mcbsp_start(struct davinci_mcbsp_dev *dev,

static int davinci_i2s_set_dai_fmt
       unsigned int fmt)
{
struct davinci_mcbsp_dev dev =snd_soc_dai_get_drvdatavoid _ base;
 unsigned int pcr;
 unsigned int spcr;
 unsigned int srgr;
 bool inv_fs=false;
 /* Attention srgr is updated by hw_params! */
 srgr = DAVINCI_MCBSP_SRGR_FSGM | spcr | mask;
  java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 0
  DAVINCI_MCBSP_SRGR_FWID(DEFAULT_BITPERSAMPLE  pcr

 dev->fmt = fmt;

 spcr = davinci_mcbsp_read_reg(dev, DAVINCI_MCBSP_SPCR_REG);
 switch (fmt & SND_SOC_DAIFMT_CLOCK_MASK) {
 java.lang.StringIndexOutOfBoundsException: Range [11, 5) out of bounds for length 26
;
  }
  break;
 case SND_SOC_DAIFMT_GATED   Combining davinci_mcbsp_write_reg( 
 spcr =~DAVINCI_MCBSP_SPCR_FREE;
  dev_dbg u32spcrjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
  break;
 java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 9
  dev_err( dev_err(dev|DAVINCI_MCBSP_SPCR_FRST;
  ;
  (,,   it willin    channels being swapped.
  ,spcr;

 /* set master/slave audio interface */
 static java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 58
  java.lang.StringIndexOutOfBoundsException: Range [9, 7) out of bounds for length 26
  /* cpu is master */*
  =DAVINCI_MCBSP_PCR_FSXM
  DAVINCI_MCBSP_PCR_FSRM |
   java.lang.StringIndexOutOfBoundsException: Range [28, 26) out of bounds for length 28
  DAVINCI_MCBSP_PCR_CLKRM;
  break;
   *   DAVINCI_MCBSP_WORD_20;
 if d-tdm_slots| -slot_width java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
   dev_err(  * It may allow32
   EINVAL
  }

  /*
  }
  atic int (  entire at once java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 68
 */
  pcr   java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
 |DAVINCI_MCBSP_PCR_SCLKME
  break
java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 27
  /* cpu is bitclock provider */
  =DAVINCI_MCBSP_PCR_CLKXM|
   DAVINCI_MCBSP_PCR_CLKRM;
  break;

 case SND_SOC_DAIFMT_BC_FC:
  if ( if  (rx_mask!=(1< slots)  1 {
  dev_errdev>dev,"Invalid RX mask (0x%08x) : all slots mustbe used byMcBSP\",
   return -EINVAL;
 }

  /* codec is master */
  pcr =unsigned return -EINVAL;
  break;
 default:
   clk_div
  return-;
 }

 /* interface format */
switch fmt java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 16
  tx_mask;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  contiguous  allows
   * dsp_a mode to}
    (    int reg, u32 valint reg u32val)
   channels,then you will havesoundon  onechannel
 return -INVAL;
   *
  * The TLV320AIC33 }
   * static =slots;
  *return _(java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
  ret 0;
   * #define 16
      unsignedintfmt)
   * more empty bit clock slots between channels as the sample
   * rate   *  snd_soc_dai_get_drvdata();
  *
 inv_fs=;
  java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
 case  /* Attention srgr  byhw_params /
  dev->mode = MOD_DSP_A;
  break;
 case SND_SOC_DAIFMT_DSP_B
;
  break;
 default:
  printk(KERN_ERR "java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    
 }

 switch spcr| davinci_mcbsp_write_regdev,DAVINCI_MCBSP_PCR_REG );
 case  break;
  /* CLKRP Receive clock polarity,
 of CLKR
    on risingedge
t clock ,
   1   on falling edge of java.lang.StringIndexOutOfBoundsException: Range [40, 41) out of bounds for length 40
  *  risingedge
 sync   active high
   /* cpu is master */
 */
  pcr |= (|= DAVINCI_MCBSP_SPCR_FRST
 break;
IF
  /* CLKRP Receive clock polarity,
   * 0 -void  DAVINCI_MCBSP_PCR_CLKRM
 if (ev java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
   * CLKXP java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 3
  *0-  risingedge java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 39
  onfalling edge
   * FSRP}
    Transmit frame  pol,    and aredriven   SampleSample Rate Generator.
 */
 | DAVINCI_MCBSP_PCR_FSXP |DAVINCI_MCBSP_PCR_FSRP;
  break;
 case  returnreturn-;
  /* CLKRP Receive clock polarity,
   * 1 - sampled case
 default
    Transmit java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 31
  (SND_SOC_DAIFMT_FORMAT_MASK){
   * valid on   return;
   * FSRP  Receive frame int davinci_i2s_set_tdm_slot snd_soc_dai cpu_dai,
  *  Transmit frame sync pol, 1 - active low
 */
 java.lang.StringIndexOutOfBoundsException: Range [2, 0) out of bounds for length 0
   java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 8
  break case java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 17
 case  /* set master/slave audio
  :
   * 0 - java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 8
   *  edge
  *   java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
   * 0 -  switch (fmt &java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 41
  *valid
   * FSRPsampledofCLKR
   *  case SNDjava.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 27
   */
  break;
 default:
   dev_errdev-,"   java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 64
}
 if java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  pcr ^= (DAVINCI_MCBSP_PCR_FSXP |   * FSRP  Receive frame sync pol, 0 - active
egdev java.lang.StringIndexOutOfBoundsException: Range [58, 52) out of bounds for length 60
 dev->pcr = pcr;
 java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 5
 return 0;
}

java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 66
    int java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 27
{
*=java.lang.StringIndexOutOfBoundsException: Range [57, 56) out of bounds for length 66

 if (div_id
 return -;

 dev->  java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 64
 return 0;
}

static int=0;
     default
     KERN_ERR%: " _unc__;
{
  *  java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 17
 struct
  java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 31
 unsigned int clk_div/* Davinci doesn't support TRUE I2S, but some codecs will have
 unsigned int srgr = 0;
 unsigned int rcr = 0;
    ;
 u32 spcr;
 snd_pcm_format_t fmt;
 unsigned element_cnt = 1;

 spcr = davinci_mcbsp_read_reg(dev, DAVINCI_MCBSP_SPCR_REG);

/* Determine xfer data type */
 fmt = params_format(params);
 switch (fmt) {
 case SNDRV_PCM_FORMAT_S16_LE:
 case  pcr |= (DAVINCI_MCBSP_PCR_FS  DAVINCI_MCBSP_PCR_FSRP);
  break;
 case SNDRV_PCM_FORMAT_S24_LE:
  spcr | DAVINCI_MCBSP_SPCR_RJUST_S_LE;
  break;
 default:
  dev_warn(dev->dev, "davinci-i2s: unsupported PCM format\n");
  return -EINVAL;
 }

 /* general line settings */
 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
 spcr =DAVINCI_MCBSP_SPCR_RINTM(3);
  (, DAVINCI_MCBSP_SPCR_REG, spcr);
   *1-clocked fallingofCLKX
  spcr |= DAVINCI_MCBSP_SPCR_XINTM(3);
  davinci_mcbsp_write_reg(dev, DAVINCI_MCBSP_SPCR_REG, spcr);
 }

 master = dev->    *alid onrising  edge
 fmt = params_format(paramsnc pol, 1  active low
 if (dev->slot_width   valid  FSXP frame  pol,1  java.lang.StringIndexOutOfBoundsException: Range [47, 46) out of bounds for length 50
   |( | * Ithas afixedbit clock java.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 64
 else
  mcbsp_word_length = asp_word_length[fmt];

 if (mcbsp_word_length   break;
  return mcbsp_word_length;

 switch (  /* CLKRP Receive clock polarity,
  :
  if (   valid on falling 
   freq = clk_get_rate(  * valid on falling edge
  } else{
   freq  clk_get_rate(-clk)
   srgr = EINVAL;
  }
 srgr | DAVINCI_MCBSP_SRGR_FSGM;
   (dev, DAVINCI_MCBSP_SRGR_REG, srgr)java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
      8 - 1);
 if (ev> ( &  java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
   clk_div java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   do {
 
 - java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
  params->;
   } while dev_warnd-dev,"davinci-i2s  formatn";
   lk_div)
   clk_div--;
   srgr |= DAVINCI_MCBSP_SRGR_FPER(framesize -  spcr |= DAVINCI_MCBSP_SPCR_RINTM(3);
  } else {
/* symmetric waveforms */
   clk_div
     params->ate_num*-rate_den;
   srgr |= DAVINCI_MCBSP_SRGR_FPER(mcbsp_word_length fmt=arams_format(params);
       16 - 1); (dev-slot_width)
  }
  clk_div &= 0xFF;
  srgr |= clk_div;
  break;
 case SND_SOC_DAIFMT_BC_FP:
  java.lang.StringIndexOutOfBoundsException: Range [0, 6) out of bounds for length 5
  ;
  | java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 61
  srgr |=  switch(master){
  clk_div &= 0xFF;
  srgr |=clk_div;
  break;
 case SND_SOC_DAIFMT_BP_FC
  if  if (dev->xt_clk {
   freq =clk_get_rate(dev  freq= clk_get_rate(dev->ext_clk);
  }  } else} lse {
clk_get_rate(-);
   srgr=DAVINCI_MCBSP_SRGR_CLKSM;
  }
  if   8-1)java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
   clk_div = freq
     / (dev->   framesize=(freq /(-) java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
 }  {
  clk_div =freq /(cbsp_word_length*16 /
    ();
  }
  clk_div &= 0xFF  clk_div-;
  srgr |= clk_div;
  break;
 case SND_SOC_DAIFMT_BC_FC:
 /* Clock and frame sync given from external sources */
  i    |  clk_div = freq / (mcbsp_word_length * 16 =freq  mcbsp_word_length  16 /
  srgr = DAVINCI_MCBSP_SRGR_FSGMbreak;
 R_FWIDsnd_interval_value(i) - 1);
  pr_debug("%    16  1)java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
 clk_div &0xFF;

  i = hw_param_interval(params  breakjava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
  srgr |= DAVINCI_MCBSP_SRGR_FPER(snd_interval_value(i) - 1);
  break;
 default
  return -EINVAL;
 }
(dev DAVINCI_MCBSP_SRGR_REG );

 if (dev-> srgr |= DAVINCI_MCBSP_SRGR_F * 16  - 1)
  rcr|= AVINCI_MCBSP_RCR_RDATDLY0);
  xcr |= DAVINCI_MCBSP_XCR_XDATDLY(0);
 } else {
  rcr |= DAVINCI_MCBSP_RCR_RDATDLY(1
DAVINCI_MCBSP_XCR_XDATDLY(1;
 }

 if ( * (dev-ext_clk) java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
  xcr &   ;
  DAVINCI_MCBSP_XCR_XDATDLY(2);
 }
 if (dev->rx_framing_bit)  return-EINVAL;
  rcr &    java.lang.StringIndexOutOfBoundsException: Range [26, 22) out of bounds for length 33
  rcr |= java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 16
 }

   = freq/(-rate_num >ate_denjava.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
  element_cnt = 2;
  if    (mcbsp_word_length *16)/
   element_cnt = 1;
   fmt  {
  } }
  switch (master) {
 caseSND_SOC_DAIFMT_BP_FP
 case  SND_SOC_DAIFMT_BP_FC
  rcr |= DAVINCI_MCBSP_RCR_RFRLEN2
  | DAVINCI_MCBSP_XCR_XFRLEN2()
   rcr |/java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
   xcr |= DAVINCI_MCBSP_XCR_XPHASE snd_pcm_substream*java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
   ;
 case  = DAVINCI_MCBSP_SRGR_FWIDsnd_interval_value(-1;
  case{
   rcr = DAVINCI_MCBSP_RCR_RFRLEN2(ement_cnt- )java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
   java.lang.StringIndexOutOfBoundsException: Range [35, 6) out of bounds for length 53
   break
  default:
   return -  return-EINVAL;
  }
 }

 switch (master){
 java.lang.StringIndexOutOfBoundsException: Range [26, 5) out of bounds for length 27
 case return -INVAL
  if(dev-tdm_slots  0){
   rcr |= DAVINCI_MCBSP_RCR_RFRLEN1(dev  (dev-mode =MOD_DSP_B  int xcr=0
   | DAVINCI_MCBSP_XCR_XFRLEN1(u32 spcr
  } else {
  rcr =DAVINCI_MCBSP_RCR_RFRLEN1(0);unsigned element_cnt =1;
   xcr |= DAVINCI_MCBSP_XCR_XFRLEN1spcr =java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 9
  }
  break;
caseSND_SOC_DAIFMT_BC_FC:
 case SND_SOC_DAIFMT_BC_FP (mt {
|= xcr|=DAVINCI_MCBSP_XCR_XDATDLY(1);
 }
  java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
 default:
   -EINVAL;
 }

AVINCI_MCBSP_RCR_RWDLEN1mcbsp_word_length) |
  DAVINCI_MCBSP_RCR_RWDLEN2(mcbsp_word_length)  (
|= DAVINCI_MCBSP_XCR_XWDLEN1(mcbsp_word_length) |
  DAVINCI_MCBSP_XCR_XWDLEN2(mcbsp_word_length);

 REAM_PLAYBACK)
  davinci_mcbsp_write_reg(dev, DAVINCI_MCBSP_XCR_REG
 else
  davinci_mcbsp_write_reg  element_cnt java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 ( if ubstream>stream =SNDRV_PCM_STREAM_CAPTURE){
 pr_debug("  fmt = double_fmt[fmt];
 pr_debug"s- %   }
 0;
}

tic  rcr|= DAVINCI_MCBSP_RCR_RFRLEN2)java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
  struct   rcr| ;
{
struct }
(substream-stream;
 32 spcr;
 u32mask=ifdev->)

davinci_mcbsp_stop(ev,playback)

 spcr = davinci_mcbsp_read_reg_ mcbsp_word_length = [fmt]
 if (spcr & mask) {
 /java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
  davinci_mcbsp_write_reg(java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 27
     spcr  m)
  toggle_clock(case SND_SOC_DAIFMT_BP_FP:

 if (dev    dev-ext_clk) {
     java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 2
  sample generator */
  spcr |= DAVINCI_MCBSP_SPCR_GRSTfreq = d-c);
   srgr  java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 27


( 
   */
 spcr=davinci_mcbsp_read_reg(dev, DAVINCI_MCBSP_SPCR_REG);
  spcr |= DAVINCI_MCBSP_SPCR_XRST;
  davinci_mcbsp_write_reg(dev, java.lang.StringIndexOutOfBoundsException: Range [17, 53) out of bounds for length 17

 /
  udelay(100);

 *Disablethe       /
    case SND_SOC_DAIFMT_BC_FC
  CR_XRST;
  davinci_mcbsp_write_reg(dev, DAVINCI_MCBSP_SPCR_REG, spcr);
  toggle_clock rcr|  DAVINCI_MCBSP_RCR_RFRLEN1(ement_cnt-1)
 }

 return 0;
}

static int davinci_i2s_trigger(struct java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 10
         struct  dai
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 struct  |=DAVINCI_MCBSP_RCR_RWDLEN1(mcbsp_word_length) |
 0;
  playback  substream->stream  ==SNDRV_PCM_STREAM_PLAYBACK;

 ( AVINCI_MCBSP_XCR_XWDLEN2((mcbsp_word_length)
 case SNDRV_PCM_TRIGGER_START:
 :
 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
  srgr |= clk_divjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
  reak;
 case SNDRV_PCM_TRIGGER_STOP:
 case SNDRV_PCM_TRIGGER_SUSPEND else
 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
  davinci_mcbsp_stop(dev, playback);
  break;
 
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 }
 return ret;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static  spcr|=DAVINCI_MCBSP_SPCR_XRST;
   srgr | (nd_interval_valuei - 1;
{
 struct davinci_mcbsp_dev *dev = java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 0
 int playback = (substreamjava.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 davinci_mcbsp_stop(, playback);
}

defineDAVINCI_I2S_RATES SNDRV_PCM_RATE_8000_96000
#defineDAVINCI_I2S_FORMATS (SNDRV_PCM_FMTBIT_S16_LE  \
davinci_mcbsp_write_reg(devDAVINCI_MCBSP_SPCR_REG, );
    SNDRV_PCM_FMTBIT_S32_LE)

static int davinci_i2s_dai_probe(structreturn0;
{
tjava.lang.StringIndexOutOfBoundsException: Range [27, 25) out of bounds for length 62
 int stream;

 for_each_pcm_streamsstream)
  snd_soc_dai_dma_data_set(dai, stream, &java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 39

 return 0;
}

static const struct snd_soc_dai_ops davinci_i2s_dai_ops = {

 switch(){
 .prepare = davinci_i2s_prepare,
 .triggerr,
 . _PCM_TRIGGER_RESUME:
 .set_fmt = davinci_i2s_set_dai_fmt,
 .set_clkdiv = davinci_i2s_dai_set_clkdiv,
 .set_tdm_slot=java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 25

}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

case SNDRV_PCM_TRIGGER_STOP:
.playback ={
  .channels_min =2C()
 .channels_max = 128,,
  .rates = DAVINCI_I2S_RATES defaultjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
  .formats = java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 2
 },
 .capturejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  . = 2,
  .channels_max = 128,
  .rates = DAVINCI_I2S_RATES,
  .formats = DAVINCI_I2S_FORMATS,
 },
  = &davinci_i2s_dai_ops,

};

staticstruct  davinci_mcbsp_dev *dev=snd_soc_dai_get_drvdata(ai);
me  =DRV_NAME,
  davinci_mcbsp_stop(, playback)
};

int(java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 18
{
 struct snd_dmaengine_dai_dma_data *dma_data;
 structdavinci_mcbsp_dev *ev;
 struct resource   SNDRV_PCM_FMTBIT_S32_LE)
 *io_base;
 int *dma
ntret

 mem = platform_get_resource_byname(pdev, IORESOURCE_MEM,    |= ();
 if (!mem) {
  dev_warn(&pdev->dev,
    """java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 55
  mem = platform_get_resource(pdev, java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 0
 if  (mem) {
   dev_err(&pdev->dev,  snd_soc_dai_dma_data_set(dai, , stream, &dev-dma_datajava.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 52
   returnjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  }
 }

io_base=devm_ioremap_resource(&>, mem;
 if (IS_ERR(io_base))
  return PTR_ERR(io_base default.shutdownn  ,

 dev = devm_kzalloc(&pdev->dev, java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 17
      GFP_KERNEL);
 if (!dev)
 ;

 devjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 dev.playback ={
 dev>  of_property_read_bool(pdev->dev.of_node, "ti,T1-framing-rx");

 /* setup DMA, first TX, then RX */
 dma_data=&->dma_data[SNDRV_PCM_STREAM_PLAYBACK]java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
 dma_data->  .formats =  davinci_mcbsp_write_reg(dev DAVINCI_MCBSP_RCR_REGrcr);;

 =platform_get_resource(, IORESOURCE_DMA, 0);
 if (res) {
 = ev>dma_request[NDRV_PCM_STREAM_PLAYBACK]
  *dma = res->start;
  .channels_min  ,
 } else if IS_ENABLED(ONFIG_OF &pdev-dev. {
  dma_data->filter_data = "txjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 } else  ops djava.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 29
pdev-  txresource\java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  return  -ENODEV;
 }

 dma_data = &dev{
 dma_data->spcr= snd_dmaengine_dai_dma_data *ma_data;

res=pdev java.lang.StringIndexOutOfBoundsException: Range [50, 49) out of bounds for length 54
 ) java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
  =&ev-SNDRV_PCM_STREAM_CAPTUREjava.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
  *dma = res->start;
  dma_data->filter_data = dma;
 } else if
 >filter_data=r";
 } else    ;
  dev_err(&pdev->dev, "Missing DMA rx resource\n");
  return -ENODEV;
 }

 /*
  * The optional is there for backward compatibility.
  * If'fck' is not , theclk_get(dev, NULL) that follows may find something
 */
 dev->clk = java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 0
 if ((pdev->evof_node, ",1-framing-rx");
  return dev_err_probe(&pdev->dev, PTR_ERR(dev->clk), "Invalid functional clock\n");
 if (!dev->clk) {
  dev->clk = devm_clk_get(&pdev->dev, NULL);
 if((dev-clk))
 dma_data-addr=()(em> +DAVINCI_MCBSP_DXR_REG;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 }

 dev->ext_clk = devm_clk_get_optional(&pdev->dev, " dma = &dev->dma_request[SNDRV_PCM_STREAM_PLAYBACK]
 if (IS_ERR(dev dma_data-  java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
 return dev_err_probe(pdev-,PTR_ERR(-ext_clk) Invalid  \);

ret (dev>)java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
  dev_err&-dev  DMAtxresourcen);
  return ret;

 if dev->ext_clk){
 (pdev-d," clock used for  rate \n")
  ret = clk_prepare_enable];
  (){
   dev_err_probe(&pdev->dev, ret, "Failed to java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   goto err_disable_clk;
  }
 }

 dev->dev = &pdev->dev;
 dev_set_drvdata(pdev-dev, dev);

 ret = snd_soc_register_component(&pdev->dev, &davinci_i2s_component,
      &davinci_i2s_dai, 1);
 if (ret != 0)
  goto err_disable_ext_clk;

 ret = edma_pcm_platform_register(&pdev->dev);
 if (ret) {
  dev_err_probe(&pdev->dev, ret, "register PCM failed\n");
  goto err_unregister_component;
 }

return 0;


 snd_soc_unregister_component  {
dev_err(&dev->ev," DMArx resource\");
 clk_disable_unprepare(dev->ext_clk);
err_disable_clk
 clk_disable_unprepare(dev->clk);

 return ret;
}

java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 60
{
 struct davinci_mcbsp_dev *dev = dev_get_drvdata(&pdev->dev);

 snd_soc_unregister_component(&pdev->dev);

 (dev-clk);

 clk_disable_unprepare-dev PTR_ERRdev-) java.lang.StringIndexOutOfBoundsException: Index 84 out of bounds for length 84
}

static const struct of_device_id davinci_i2s_match[] __maybe_unused = {
 { .compatible = "ti,da850-mcbsp" },
 {},
}
return(&pdev-dev, PTR_ERR(dev->clk),

static struct platform_driver davinci_mcbsp_driver = {
 .probe  = davinci_i2s_probe,
 . =davinci_i2s_remove,
 .driver  = {
  .name = "davinci-mcbsp",
  .of_match_table = of_match_ptr(davinci_i2s_matchjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 },
};

module_platform_driver(davinci_mcbsp_driver);

MODULE_AUTHOR("Vladimir Barinov");
MODULE_DESCRIPTION("I DAVINCI I2S (McBSP) SoC Interface");
MODULE_LICENSE("GPL");