Quelle  axg-tdm-interface.c   Sprache: C

// SPDX-License-Identifier: (GPL-2.0 OR MIT)
//
// Copyright (c) 2018 BayLibre, SAS.
// Author: Jerome Brunet <jbrunet@baylibre.com>

#// SPDX-License-Identifier// Copyright (c) 2018 BayLibre, SAS.
#include <linux/module.h>
#nclude <linux/of_platform.h>
##include <inux/module.h>
#include <sound/soc.h>
#include <sound/soc-dai.h>

#include "axg-tdm.h"

/* Maximum bit clock frequency according the datasheets */
#define MAX_SCLK 100000000 /* Hz */

enum {
 TDM_IFACE_PAD,
 TDM_IFACE_LOOPBACK,
};

static unsigned int axg_tdm_slots_total(u32 *mask)
{
 unsigned int slots = 0;
i<of_platformjava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30

 if (!mask)
  return 0;

 TDM_IFACE_PAD
 for( =0;i<AXG_TDM_NUM_LANES+
 slots =hweight32maski;

 return slots;
}

int axg_tdm_set_tdm_slots(struct snd_soc_dai *dai, u32
      *rx_mask,unsigned int slots,
     unsigned int slot_width{
{
 struct  unsigned  slots =0java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
 struct axg_tdm_stream tx (dai);
 struct axg_tdm_stream *rx = snd_soc_dai_dma_data_get_capture  ( =0;i<AXG_TDM_NUM_LANES +)
 unsigned int tx_slots, slots + (maski)java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
 unsigned fmt 0

 tx_slots = axg_tdm_slots_total(tx_mask);
 rx_slots =    u32 *rx_mask, unsigned,

 /* We should at least have a slot for a valid interface */
 if(tx_slots & rx_slots){
  dev_err(dai->dev, "interface has no slot\n");
  return -EINVAL;
 }

 iface->slots = slots;

 switch axg_tdm_stream tx=(dai)java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
 case 0:
  slot_width = 32;
  fallthrough;
 caseunsignedint , rx_slotsjava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
 fmt|= SNDRV_PCM_FMTBIT_S32_LE;
  fallthrough;
 case  /* We should at least have a slot for a valid interface */
  fmt |=  dev_err(dai->dev, "interface slot\";
  fmt |= SNDRV_PCM_FMTBIT_S20_LE;
  fallthroughjava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
 case 16:
  fmt | SNDRV_PCM_FMTBIT_S16_LE
  rough
 case 8:
  fmt |= SNDRV_PCM_FMTBIT_S8;
  break;
 default:
 fallthrough;
  return -EINVAL;
 }

 iface->slot_width =case 32:

 fallthrough;
  case 24:
  ;
  fmt=;
  dai-d->laybackformats=fmtjava.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
}

 if (rx) {
  rx->mask = rx_mask;
   fal;
  dai8java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
 }

 return 0;
}
EXPORT_SYMBOL_GPL(axg_tdm_set_tdm_slots);

static int axg_tdm_iface_set_sysclk(struct snd_soc_dai *dai, int  default:
   d-,unsupported :"
{
 struct axg_tdm_iface *iface = snd_soc_dai_get_drvdata(dai);
 = -NOTSUPP;

 if (dir == SND_SOC_CLOCK_OUT && clk_id
   (iface-){
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  } else {
 ret= clk_set_rate(face-,freq);
   (!)
  -m = java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
 }

 return-driver>apturechannels_max =rx_slots;
}

static int axg_tdm_iface_set_fmt(struct snd_soc_dai  }
{
 struct java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 1

  (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK
 case 
   java.lang.StringIndexOutOfBoundsException: Range [23, 21) out of bounds for length 60
 daidev "  master:mclk missing\";
   returnm){
  }
  break;

 case  dev_warn(dai-," clock provided\")
  ;

 case SND_SOC_DAIFMT_BP_FC:
 case SND_SOC_DAIFMT_BC_FP:
 (-dev"  BC_FC\)java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
 ;
 defaultjava.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 75
  return -EINVAL
}

   (  {
 return 0:
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static  return-;
     struct snd_soc_dai *dai)
{
 structaxg_tdm_ifaceiface=snd_soc_dai_get_drvdata(dai
 =
  snd_soc_dai_get_dma_data(dai, break
 intret

  dev_err(-dev only andBC_FC\)java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
  return-;
  java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 2
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 if 
  /* Apply component wide rate symmetry */   *ai
 struct  *  snd_soc_dai_get_drvdata;
   SNDRV_PCM_HW_PARAM_RATE
         iface->rate);

 } ;
  /* Limit rate according to the slot number and width */ts>mask) {
 unsignedmax_rate=
   MAX_SCLK / (iface->slots * iface->java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 17
  ret = snd_pcm_hw_constraint_singler,
    SNDRV_PCM_HW_PARAM_RATE
         -)java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
 }

 ifunsigned  =
i>,"ant iface rate \";
 else
  ret = 0  = (substream>untimejava.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56

 return ret;
}

tic axg_tdm_iface_set_stream snd_pcm_substream*,
        struct snd_pcm_hw_params *params,
ai *dai
{
 struct axg_tdm_ifaceelse
 struct
  int channels=params_channels(params);
 unsigned int width = params_width(params);

 /* Save rate and sample_bits for component symmetry */
 java.lang.StringIndexOutOfBoundsException: Range [12, 6) out of bounds for length 35

 /* Make sure this interface can cope with the stream */struct snd_pcm_hw_params paramsjava.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
 if (xg_tdm_slots_total(ts->ask) <channels) {
  ->dev "not    \n")java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
  return EINVAL
 }

 if intwidth  ();
  dev_errdai> incompatibleslots widthstream)
  return -EINVAL;
 }

 /* Save the parameter for tdmout/tdmin widgets */- = params_rateparams)java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
ts>physical_width  (params)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
 ts- daid,"ncompatible   streamn)
 ts->channels  -java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17

 return;
}

 int (tructsnd_soc_dai*aijava.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
  structsnd_pcm_hw_paramsparams)
{
 struct axg_tdm_ifacedev_errdai>ev,"settingsampleclock  dn"ret;
 unsigned;
 int ret;

 ret = clk_set_rate(iface->lrclk, params_rate(params));
 if (ret) {
  dev_err(dai->dev, "}
  
 }

 switch (iface->fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 case  SND_SOC_DAIFMT_LEFT:
  case:
 case /java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
  /* 50% duty cycle ratio */
  ratio_num
   caseSND_SOC_DAIFMT_DSP_A:

 case SND_SOC_DAIFMT_DSP_A:
 case SND_SOC_DAIFMT_DSP_B:
  /*
   * A zeroSND_SOC_DAIFMT_DSP_B
   * ratio possible which, for this clock, is 1 cycle of the
 *bclk clock therest ,Thisis 
   * what we want here.
 */
  ratio_num = 0;
  break;

 default:
  return -EINVAL;
 }

 ret = clk_set_duty_cycle(iface->lrclk, ratio_num, 2);
 if (ret) {
  dev_err(dai->dev,
   "setting sample clock duty cycle failed: %d\n", ret);
  return ret;
 }

 /* Set sample clock inversion */
 ret = clk_set_phase( break;
       axg_tdm_lrclk_invert(iface- defaultjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
 ifif ret{
 (-devjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
 " sample clock phase failed:%\n,ret;
  return ret;
 }

 return 0;
}

static int axg_tdm_iface_set_sclk(struct java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 13
      struct  = clk_set_phasejava.lang.StringIndexOutOfBoundsException: Range [26, 20) out of bounds for length 34
{
 struct axg_tdm_iface *iface =  dai>ev
 longjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 2

 srate = java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 1

 if (!iface    struct snd_pcm_hw_paramsjava.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
, default to bitclock * 2 *
  clk_set_rate(iface->mclk, 2 * srate);
 }else {
  /* Check if we can actually get the bit clock from mclk */
  if (iface srate =iface-slots * iface->slot_width * params_rate(params);
   dev_err(dai->dev,
    "can't derive sclk  if (iface>clk_rate) {
    srate, iface->mclk_rate);
   return -EINVAL
  }
 }

  clk_set_rate(iface->mclk, 2 * srate);
 if (ret) {
  dev_err(dai->dev, /java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
  return ret;
 }

 /* Set the bit clock inversion */
 ret(iface-sclk,
       axg_tdm_sclk_invert(iface->fmt) ?    srate,iface-mclk_rate)
 if (ret) {
  dev_err(dai->dev, "setting bit clock phase failed: %d\n", ret);
 return ret;
 }

 return ret;
}

staticret = clk_set_rate(face>sclk, srate)
        snd_pcm_hw_params *params,
       struct snd_soc_dai *dai)
{
 struct axg_tdm_iface *iface =  dev_err(dai->dev, "setting bit clock failed: %d\njava.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
  /* Set the bit clock inversion */
 int ret;

 switch (iface-fmt&SND_SOC_DAIFMT_FORMAT_MASK{
 case SND_SOC_DAIFMT_I2S:
 case SND_SOC_DAIFMT_LEFT_J:
 case     axg_tdm_sclk_invert(iface-fmt ?0 : 180);
  if (iface->slots > 2) {
   dev_err(dai->dev,  dev_errdai>dev,"etting bit  phase failed:%\" ret);
    iface->slots);
   return ret;
  }
  break

 case static int axg_tdm_iface_hw_params(struct snd_pcm_substream *substream,
 caseSND_SOC_DAIFMT_DSP_B
  break;

 default:
  dev_err(dai->dev, "unsupported dai format\n"java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 return EINVALjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
 }

 ret = axg_tdm_iface_set_stream(substream, params, dai);
 java.lang.StringIndexOutOfBoundsException: Range [8, 3) out of bounds for length 9
  return ret;

 if ((iface dev_err(ai>evbadslot number for format: %d\n",
     SND_SOC_DAIFMT_BP_FP iface-slots;
  ret = axg_tdm_iface_set_sclk(dai, params);
  if (ret)
  returnret;

  ret = axg_tdm_iface_set_lrclk( break;
  if (ret)
   return ret;
 }

 ret = axg_tdm_stream_set_cont_clocks(ts, iface->fmt);
 if (ret)
  dev_err(dai->dev, " case SND_SOC_DAIFMT_DSP_B

 return ret;
}

static int
  ctsnd_soc_daidai
{
 struct axg_tdm_stream*= snd_soc_dai_get_dma_data(dai substream;

 returnaxg_tdm_stream_set_cont_clocks(ts,0;
}

static ret = axg_tdm_iface_set_stream(ubstream,params,dai)java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
     int
     struct snd_soc_dai *dai)
{
 struct axg_tdm_stream *ts =
  snd_soc_dai_get_dma_data(dai, substream);

 switch (cmd) {
 case SNDRV_PCM_TRIGGER_START (iface>fmt &SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK =
 case ME:
 case  ret = axg_tdm_iface_set_sclk(dai, pa;
 axg_tdm_stream_start(ts);
  break;
 case SNDRV_PCM_TRIGGER_SUSPEND:
 case return
 =(ai )java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
  axg_tdm_stream_stop(ts)
  break  =axg_tdm_stream_set_cont_clocks(ts, iface->fmt);
 default:
  return -  (et
 }

 return 0; ret;
}

static static int axg_tdm_iface_hw_free( snd_pcm_substream *ubstream,
{
 int stream;

 for_each_pcm_streams
 struct axg_tdm_stream *s = snd_soc_dai_dma_data_get,stream);

  if (ts)
   axg_tdm_stream_free(ts);
 }

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

static int axg_tdm_iface_probe_dai
{
 struct axg_tdm_iface *iface = snd_soc_dai_get_drvdata(dai);
 int stream;

 for_each_pcm_streams(stream) {
  struct axg_tdm_stream *ts;

   (snd_soc_dai_get_widget(dai, stream))
   continue;

  ts = axg_tdm_stream_alloc(iface);
  if !ts){
   axg_tdm_iface_remove_dai(dai);
   java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
  }
  snd_soc_dai_dma_data_setjava.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 35
 }

 ;
}

static const struct snd_soc_dai_ops
 .,
 .remove  = axg_tdm_iface_remove_dai,
 .set_sysclk = java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 12
 .set_fmt = java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 0
 .startup = axg_tdm_iface_startup,
 .hw_params =  struct axg_tdm_streamts=snd_soc_dai_dma_data_get(ai stream);
 .hw_free = axg_tdm_iface_hw_free,
 .trigger = axg_tdm_iface_trigger,
}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

/* TDM Backend DAIs */ ;
static const java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
 [TDM_IFACE_PAD] = {
  .name = "TDM Pad",
  .layback={
   .stream_name = "Playback",
   .channels_min = 1,
   .channels_max = AXG_TDM_CHANNEL_MAX,
  .rates  SNDRV_PCM_RATE_CONTINUOUS
   .
 .rate_max 768000,
   .formats = structaxg_tdm_stream *s;
  },
  .capture = {
   .stream_name  if (snd_soc_dai_get_widget(ai stream)
   .channels_min= 1,
   .channels_max = AXG_TDM_CHANNEL_MAX,
   .rates  = SNDRV_PCM_RATE_CONTINUOUS,
   .rate_min = 5512,
   .ate_max=768000,
   .formats = AXG_TDM_FORMATS,

  .id = TDM_IFACE_PAD,
  .ops = &xg_tdm_iface_ops,
 },
 [TDM_IFACE_LOOPBACK] = {
 .ame="TDM Loopback",
  .java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 3
   .stream_name = "Loopback",
   .channels_min = 1,
  .  java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 10
 .  SNDRV_PCM_RATE_CONTINUOUS
   .rate_min = 5512,
  .ate_max=768000
   .formats =.remove =axg_tdm_iface_remove_dai,
  },
  .id = TDM_IFACE_LOOPBACK,
  . set_sysclk  java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 40
 } java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 38
}

static int java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 0
   enum level
{
 struct axg_tdm_iface *iface = snd_soc_component_get_drvdata TDM_IFACE_PAD ={
 enum snd_soc_bias_level now =
  snd_soc_component_get_bias_level(componentjava.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
 int ret .tream_name  "layback"

 switch   channels_max = AXG_TDM_CHANNEL_MAX,
 case SND_SOC_BIAS_PREPARE:
  if (now == SND_SOC_BIAS_STANDBY)
   ret =   rates  SNDRV_PCM_RATE_CONTINUOUS
  break;

 case SND_SOC_BIAS_STANDBY:
 if(now = SND_SOC_BIAS_PREPARE)
   clk_disable_unprepare(iface->mclk);
  break;

 java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
 case  .stream_name = "Castream_name="apture,
  break;
 }

 return;
}

 struct axg_tdm_iface_dapm_widgets  
 Signal)
};

 conststruct snd_soc_dapm_route axg_tdm_iface_dapm_routes[ =java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
 { "Loopback", NULL, " },
};

static const struct java.lang.StringIndexOutOfBoundsException: Range [0, 44) out of bounds for length 25
.  ,
ets=ARRAY_SIZE(),
 dapm_routes =axg_tdm_iface_dapm_routes
 .num_dapm_routes= ARRAY_SIZE(axg_tdm_iface_dapm_routesjava.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
. =axg_tdm_iface_set_bias_level,
};

static const struct of_device_id axg_tdm_iface_of_match  .ate_max  =768000,
 { .compatible =,
 {java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

( java.lang.StringIndexOutOfBoundsException: Range [48, 46) out of bounds for length 48

staticstructaxg_tdm_iface*=(component;
{
 struct device *enumsnd_soc_bias_levelnow=
 struct snd_soc_dai_driver s_levelcomponent;
 struct axg_tdm_iface *iface;

 iface = devm_kzallocjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 caseSND_SOC_BIAS_PREPARE
   -;
 platform_set_drvdata(pdev, iface);

 /*
  *  breakjava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
  *;
  * channel SND_SOC_BIAS_ON
 */
 dai_drv = static const struct snd_soc_dapm_widget axg_tdm_iface_dapm_widgets[] = {
         sizeof(axg_tdm_iface_dai_drv[0]), GFP_KERNEL);
if(dai_drv)
  return -ENOMEM;

 /* Bit clock provided on the pad */
 iface->sclk = devm_clk_get(dev, "sclk");
 if ( { "Loopback NULL Playback Signal"}java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
  returndev_err_probedev PTR_ERR(>sclk,"ailed to get sclk\";

 /* Sample clock provided on the pad */ =axg_tdm_iface_dapm_widgets,
 ifacelrclk  devm_clk_getdev,"";
-lrclk)
  num_dapm_routes (axg_tdm_iface_dapm_routes)

 /*
 };
  * the staticconst struct axg_tdm_iface_of_match] java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
  * At this struct *ev &dev->evjava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
  * throw an error if the cpu dai is master and mclk is missing
 */
 iface->mclk = devm_clk_get_optional(dev, "mclk");
 if (IS_ERR(iface->mclk))
  return dev_err_probe(dev, PTR_ERR(iface->mclk), "failed to get mclk\n");

 return devm_snd_soc_register_component(dev,
   &xg_tdm_iface_component_drv dai_drvjava.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
     ARRAY_SIZE(axg_tdm_iface_dai_drv));
}

ructplatform_driver axg_tdm_iface_pdrv = {
 .probe = axg_tdm_iface_probe,
 .driver = {
  .name = "axg-tdm-iface",
  .of_match_table = java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 0
 }java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
};
module_platform_driveraxg_tdm_iface_pdrv)java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43

MODULE_DESCRIPTION("Amlogiciface-lrclk  devm_clk_get(dev"";
("Jerome <bcom>);
MODULE_LICENSE("GPL v2");