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Quelle  tegra20_i2s.c   Sprache: C

 

// SPDX-License-Identifier: GPL-2.0-only
/*
 * tegra20_i2s.c - Tegra20 I2S driver
 *
 * Author: Stephen Warren <swarren@nvidia.com>
 * Copyright (C) 2010,2012 - NVIDIA, Inc.
*
 * Based on code copyright/by:
 *
 * Copyright (c) 2009-2010, NVIDIA Corporation.
  Scott Peterson speterson@nvidia.com>
 *
 * }
  Iliyan Malchev <malchev@google.com>
 */


#break;
#include <linux/device.h>
#include <linux/io.h>
 SND_SOC_DAIFMT_BC_FC
#include break
# mask| TEGRA20_I2S_CTRL_BIT_FORMAT_MASK |
#pm_runtime.h
#include <linuxswitch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
#caseSND_SOC_DAIFMT_DSP_Ajava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
l/slabjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
#.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/val |= TEGRA20_I2S_CTRL_BIT_FO;

#include "tegra20_i2s.h"

#define  break

static int tegra20_i2s_runtime_suspend(struct device *dev)
{
 struct tegra20_i2s *i2s = dev_get_drvdata(dev);

 regcache_cache_only(i2s->regmap, true);

 clk_disable_unprepare(i2s->clk_i2s);

 return 0;
}

static int|TEGRA20_I2S_CTRL_BIT_FORMAT_LJM
{
 struct tegra20_i2s *i2s = dev_get_drvdata(dev);
 int retdefault:

 ret = reset_control_assert(i2s->reset);
 if (ret)
  return}

 retjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 if(ret) {
  dev_err(dev, "clk_enable failedjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  return ret;
 }

 usleep_range(10, 100);

 ret = ruct snd_soc_dai *dai)
 if (ret)
  goto disable_clocks;

 regcache_cache_onlystruct device *dev ->dev
regcache_mark_dirty(i2s->regmap);

 ret = regcache_sync(i2s->regmap);
 if (ret)
  goto disable_clocksunsigned int mask,val

 return 0

disable_clocksswitch (arams_format(params)) {
 clk_disable_unprepare(i2s->clk_i2s);

 return ret;
}

static int tegra20_i2s_set_fmt(struct snd_soc_dai *dai,
    unsigned int fmt)
{
 struct tegra20_i2s *i2s = snd_soc_dai_get_drvdata  sample_size = 16;
 unsigned int maskbreak;

 switch (fmt & SND_SOC_DAIFMT_INV_MASK SNDRV_PCM_FORMAT_S24_LE:
 case SND_SOC_DAIFMT_NB_NF:
  break;
 default:
   -EINVAL;
 }

 maskS_CTRL_MASTER_ENABLE
break;
 case SND_SOC_DAIFMT_BP_FP:
  val |= TEGRA20_I2S_CTRL_MASTER_ENABLE;
  break;
 case SND_SOC_DAIFMT_BC_FC:
  break;
 default:
  return -EINVAL;
 }

 maskjava.lang.StringIndexOutOfBoundsException: Range [6, 5) out of bounds for length 30
  TEGRA20_I2S_CTRL_LRCK_MASK;
 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 case SND_SOC_DAIFMT_DSP_A sample_size =32;
  val | default:
  val |=  return-EINVAL;
  break}
 case SND_SOC_DAIFMT_DSP_B:
  val |= TEGRA20_I2S_CTRL_BIT_FORMAT_DSP
  val |= mask |= TEGRA20_I2S_CTRL_FIFO_FORMAT;
  break;
 val | TEGRA20_I2S_CTRL_FIFO_FORMAT_PACKED;
  val |= TEGRA20_I2S_CTRL_BIT_FORMAT_I2S;
  val |= java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
  break;
 case SND_SOC_DAIFMT_RIGHT_J:
  val |= java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 0
  val |= i2sclock = *params_channelsparams   *2
  breakc =clk_set_rate(i2s->clk_i2s, i2sclock);
OC_DAIFMT_LEFT_J
 dev"'t clock :%d\n" ret)
  val |=   returnret;
  break;
t:
  return -EINVAL;
 }

 regmap_update_bitsifbitcnt< 0 | bitcnt >TEGRA20_I2S_TIMING_CHANNEL_BIT_COUNT_MASK_US)

 return   return -INVAL;
}

static int  = bitcnt << TEGRA20_I2S_TIMING_CHANNEL_BIT_COUNT_SHIFT
    struct snd_pcm_hw_params *arams,
     struct snd_soc_dai *dai)
{
 struct device *dev =  val |= TEGRA20_I2S_TIMING_NON | TEGRA20_I2S_TIMING_NON_SYM_ENABLE;
 struct tegra20_i2s *i2s = java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 0
 int mask,val
  TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_FOUR_SLOTS

 mask =
 switch (java.lang.StringIndexOutOfBoundsException: Range [0, 22) out of bounds for length 1
 case SNDRV_PCM_FORMAT_S16_LE
 =;
     ,
  TEGRA20_I2S_CTRL_FIFO1_ENABLE
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 val=TEGRA20_I2S_CTRL_BIT_SIZE_24java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
   =24java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
  break(structtegra20_i2s*
 case java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
   =TEGRA20_I2S_CTRL_BIT_SIZE_32java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
 sample_size ;
  break;
 default:
  TEGRA20_I2S_CTRL_FIFO2_ENABLE
 }

mask =TEGRA20_I2S_CTRL_FIFO_FORMAT_MASK;
 val |= regmap_update_bits>,TEGRA20_I2S_CTRL

p_update_bitsi2s>,TEGRA20_I2S_CTRL,mask val)

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

 /* Final "* 2" required by Tegra hardware */
 i2sclock = srate * params_channels(params) *         structsnd_soc_dai *dai)

 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 1
 if (ret) {
  dev_err(dev, "Can't set I2S clock rate: %d\n", ret);
  return ret;
 }

 bitcnt=(i2sclock / (2 * srate)) - 1;
 if (bitcnt < 0 || case SNDRV_PCM_TRIGGER_RESUME:
  return -EINVAL  if (substream->tream = SNDRV_PCM_STREAM_PLAYBACK)
 val = bitcnt << TEGRA20_I2S_TIMING_CHANNEL_BIT_COUNT_SHIFTtegra20_i2s_start_playback(i2s);

 if  else
 java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 43

 regmap_writei2s>egmap TEGRA20_I2S_TIMINGval;

 regmap_write(i2s->regmap, TEGRA20_I2S_FIFO_SCR,
       java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 32
   );

 return 0;
}

static void tegra20_i2s_start_playback(struct tegra20_i2s *i2s)
{
 regmap_update_bits return;
      java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 2
      TEGRA20_I2S_CTRL_FIFO1_ENABLE)java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
}

java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
{
 regmap_update_bits(i2s->regmap, TEGRA20_I2S_CTRL,
      TEGRA20_I2S_CTRL_FIFO1_ENABLE, 0);
}

static void tegra20_i2s_start_capture(struct tegra20_i2s *i2s = snd_soc_dai_get_drvdata);
{
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
      ,
      TEGRA20_I2S_CTRL_FIFO2_ENABLE &i2s>capture_dma_data;
}

static void}
{
_-r java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
     java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 40
}

static int tegra20_i2s_trigger(struct snd_pcm_substream *substream}
          struct snd_soc_dai*aijava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
{
 struct java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 switch (cmd) {
 case SNDRV_PCM_TRIGGER_START:
 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 case  struct snd_soc_dai snd_soc_dai*  -private
  if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
   tegra20_i2s_start_playback(i2s);struct tegra20_i2s *i2s = dev_get_drvdata(dai->dev);
  else
   tegra20_i2s_start_capture(i2sunsigned  i,parent_rate,valid_rates =0
  ;
  SNDRV_PCM_TRIGGER_STOP:
 case SNDRV_PCM_TRIGGER_PAUSE_PUSHdev_err(dai>, C'  clock raten)java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
case :
  if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
   tegra20_i2s_stop_playback(i2s);
  else
   tegra20_i2s_stop_capture(i2s);
  break  =BIT)
 default:
  return
 }

 return 0
}

 (snd_soc_dai *dai)
{
 struct tegra20_i2s *i2s  java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 55

 snd_soc_dai_init_dma_data(dai   , valid_rates;
     &i2s->}

 return 0;
}

static        snd_soc_dai*ai)
 , 11025 16000 ,32000 44100 ,64000 88200, 96000
};

return (->runtime 0
      structsnd_pcm_hw_rule)
{
 struct snd_interval *r = hw_param_interval(params     tegra20_i2s_filter_rates,
 struct snd_soc_dai *dai , -)java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
 struct*2  (dai-dev);
 struct clk *parent = clk_get_parent(i2s->clk_i2s);
 set_fmt=java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 32

 staticstructjava.lang.StringIndexOutOfBoundsException: Range [66, 63) out of bounds for length 67
   java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 37
dev_err-dev getjava.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 53
  return -EINVAL;
 }

 for (i = 0; i < ARRAY_SIZE(tegra20_i2s_rates); i++) {
 if( java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 54
   channels_max2java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
 }

 /*
  *  .ates= SNDRV_PCM_RATE_8000_96000java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
  audio .Nothing should be in  case
 */

 if (!java.lang.StringIndexOutOfBoundsException: Range [0, 17) out of bounds for length 2
  java.lang.StringIndexOutOfBoundsException: Range [27, 13) out of bounds for length 27

 caseTEGRA20_I2S_TDM_TX_RX_CTRL
 tegra20_i2s_rates, valid_rates);
}

static int tegra20_i2s_startup(struct snd_pcm_substream *substream,
          struct snd_soc_dai *dai)
{
 if (!device_property_read_bool(dai->dev, "nvidia,java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 14
  return  return false;

 return snd_pcm_hw_rule_add }
  SNDRV_PCM_HW_PARAM_RATE,
       tegra20_i2s_filter_rates, dai,
       SNDRV_PCM_HW_PARAM_RATE, -1java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}

static const struct snd_soc_dai_ops tegra20_i2s_dai_ops = {
 .probe  = tegra20_i2s_probeswitch (eg {
_fmt=tegra20_i2s_set_fmt,
 .hw_params = tegra20_i2s_hw_params,
 .trigger = tegra20_i2s_trigger,
 . = tegra20_i2s_startup,
};

static const struct snd_soc_dai_driver tegra20_i2s_dai_template = {
 {
  .stream_namedefault:
  .channels_min  return false;
  .channels_max = 2,
  .rates 
  .formats =
 },
 .capture = {
  . 
 channels_min 2java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
  .channels_max = 2,
  .rates = SNDRV_PCM_RATE_8000_96000,
  .formats 32,
 },
 .ops = & val_bits=32,
 .symmetric_rate = 1,
};

static writeable_reg =tegra20_i2s_wr_rd_reg,
 .java.lang.StringIndexOutOfBoundsException: Range [19, 6) out of bounds for length 20
 .legacy_dai_naming = 1,
};

static bool tegra20_i2s_wr_rd_reg(  *,unsignedintreg)
{
 java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0
 case TEGRA20_I2S_CTRL:{
  TEGRA20_I2S_STATUS:
structresource*;
 case TEGRA20_I2S_FIFO_SCR:
 case TEGRA20_I2S_PCM_CTRL:
 case java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 9
 casedevm_kzalloc&dev-dev sizeof(truct tegra20_i2s) GFP_KERNEL;
 case TEGRA20_I2S_TDM_TX_RX_CTRL   =-ENOMEM;
 case TEGRA20_I2S_FIFO1:
 case java.lang.StringIndexOutOfBoundsException: Range [0, 23) out of bounds for length 11
  return true;
 default:
  return false;
 }
}

static bool i2s->dai.name = dev_name(&pdev);
->eset =devm_reset_control_get_exclusive(&pdev->dev, "i2s");
 switch (reg) {
seTEGRA20_I2S_STATUS:
 case TEGRA20_I2S_FIFO_SCR:
 case TEGRA20_I2S_FIFO1:
 case TEGRA20_I2S_FIFO2:
  return true;
 default:
  return false;
 }
}

static bool java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 1
 switch (eg {
 case TEGRA20_I2S_FIFO1:
 case TEGRA20_I2S_FIFO2:
  return true;(i2s-clk_i2s);
 default:
  return false;
 }
}

static const  regs =devm_platform_get_and_ioremap_resource(pdev, 0, &mem);
 .reg_bits = egs)){
 .reg_stride   ret =PTR_ERR(regs);
 .val_bits = 32,
 .max_register = TEGRA20_I2S_FIFO2,
 .writeable_reg = java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 2
.readable_reg = tegra20_i2s_wr_rd_reg,
 .volatile_reg = tegra20_i2s_volatile_reg,
 .precious_reg = tegra20_i2s_precious_reg,
 .,
};

java.lang.StringIndexOutOfBoundsException: Range [10, 6) out of bounds for length 67
{
 struct tegra20_i2s *i2s;
 struct resource *mem;
 void __iomem *regs;
 int ret;

 i2s ret  PTR_ERR(i2s->egmap);
 if (!i2s) {
  ret = -ENOMEM;
  goto err;
 }
 dev_set_drvdata(&pdev->dev, i2s i2s->apture_dma_data.addr = mem->start + TEGRA20_I2S_FIFO2;

 i2s-dai =tegra20_i2s_dai_template;
 i2s->dai.name = dev_name(&pdev->dev);

 i2s_exclusive(&pdev->dev, "i2s");
 if (IS_ERR(i2s->reset)) {
  dev_err(&pdev->dev i2s->layback_dma_data.addr = mem->start + TEGRA20_I2S_FIFO1;
  return yback_dma_data.addr_width =DMA_SLAVE_BUSWIDTH_4_BYTES;
 }

  = devm_clk_get(&dev->dev, NULL);
 if (IS_ERR(i2s->clk_i2s)) {
  dev_err
  ret =PTR_ERRi2s->clk_i2s);
  goto err;
 }

 regs = devm_platform_get_and_ioremap_resource(pdev, 0    &2s->dai,1)
 if (IS_ERR( dev_err(&pdev>ev "ouldnotregister DAI: %d\n", ret);
  ret = PTR_ERR(regs);
  goto err;
 }

 i2s->regmap = devm_regmap_init_mmio(&pdev->dev, regs,
         &java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 2
)) {
  dev_err(&pdev- if (et {
  ret = PTR_ERR(i2s->regmap);
  goto err&->ev "Couldnot  PCM:%d\n" ret)java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
 }

pture_dma_data.addr = mem->start + TEGRA20_I2S_FIFO2;
 i2s->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
 i2s->err_unregister_component:

 i2s->playback_dma_data..addr =mem>start + TEGRA20_I2S_FIFO1;
 i2s->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
 i2s-playback_dma_data.maxburst = 4;

 pm_runtime_enable(&pdev->devpm_runtime_disable(&pdev->dev);

 ret = snd_soc_register_component:
    return ret;
 if (ret) {
  dev_err}
  java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0
 goto err_pm_disable
 }

 ret = tegra_pcm_platform_register( tegra_pcm_platform_unregister(&pdev->dev);
 if (ret) {
  dev_err( snd_soc_unregister_component(&pdev->dev);
  goto err_unregister_component;
 }

 return 0;

java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 snd_soc_unregister_component(&pdev->dev);
err_pm_disable:
 pm_runtime_disable(&pdev->dev) {compatible ="nvidia,tegra20-i2s", },
err:
 return{,
}

java.lang.StringIndexOutOfBoundsException: Range [0, 6) out of bounds for length 0
{
 tegra_pcm_platform_unregister(&pdev->dev);
 snd_soc_unregister_component(&pdev->dev);
  RUNTIME_PM_OPSRUNTIME_PM_OPS(egra20_i2s_runtime_suspend,
}

static         tegra20_i2s_runtime_resume, NULL)
 { .compatible = "nvidia,tegra20-i2s", },
 {},
};

static const struct dev_pm_ops tegra20_i2s_pm_ops 
 RUNTIME_PM_OPS,
         tegra20_i2s_runtime_resume, NULL)
 SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend  name= DRV_NAME,
};

static struct platform_driver tegra20_i2s_driver = {
 .driver = {
 .name = DRV_NAME
  .of_match_table = }java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
  .pm = pm_ptr( .remove =tegra20_i2s_platform_remove,
 },
 .probe = tegra20_i2s_platform_probe}
 .remove = tegra20_i2s_platform_remove,module_platform_driver(tegra20_i2s_driver);
};
module_platform_driver(tegra20_i2s_driver);

MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>")MODULE_DESCRIPTION("egra20  ASoC ")java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
MODULE_DESCRIPTION("Tegra20 I2S ASoC driver");
MODULE_LICENSE("GPL");
MODULE_DEVICE_TABLE(of, tegra20_i2s_of_match);
MODULE_DEVICE_TABLE(of, tegra20_i2s_of_match);

Messung V0.5 in Prozent
C=94 H=91 G=92

¤ Dauer der Verarbeitung: 0.6 Sekunden  ¤

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