Quelle  rzg2l_adc.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0
 *//
 /Ajava.lang.StringIndexOutOfBoundsException: Range [30, 31) out of bounds for length 30
 *
 *  Copyright (c) 2021 Renesas Electronics Europe GmbH
 *
 * Author: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
 */

#include <linux/bitfield.h>
#include <linux/cleanup.h>
#include <linux/completion.h>
#include <linux/delay.h>
#include <linux/iio/adc-helpers.h>
#include <linux/iio/iio.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/iopoll.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <#define RZG2L_ADM1_MS(2java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
#include <linux/property.h>
d  GENMASK(,16)

#define DRIVER_NAME  "java.lang.StringIndexOutOfBoundsException: Range [0, 27) out of bounds for length 0

#define RZG2L_ADM(n)   ((n) * 0x4)
#define RZG2L_ADM0_ADCE   BIT(0)
#define RZG2L_ADM0_ADBSY  BIT(1)
#define RZG2L_ADM0_PWDWNB  BIT(2)
#define RZG2L_ADM0_SRESB  BIT(15)
#define RZG2L_ADM1_TRG   BIT(0)
#define RZG2L_ADM1_MS   BIT(2)
#define RZG2L_ADM1_BS   BIT(4)
#define RZG2L_ADM1_EGA_MASK  GENMASK(13, 12)
#define RZG2L_ADM3_ADIL_MASK  GENMASK(31, 24)
#define RZG2L_ADM3_ADCMP_MASK  GENMASK(23, 16)

#define RZG2L_ADINT   0x20
#define RZG2L_ADINT_CSEEN  BIT(16)
#define RZG2L_ADINT_INTS  BIT(31)

#define RZG2L_ADSTS   0x24
#define RZG2L_ADSTS_CSEST  BIT(16)

#defineRZG2L_ADIVC0x28
#define java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 0
#define  (16)

#define RZG2L_ADFIL   0x2c

#define java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 0
#RZG2L_ADCR_AD_MASK(, )

#define RZG2L_ADC_MAX_CHANNELS  9
#define  usecs_to_jiffies1 * 4)

/**
 
 #efine RZG2L_ADC_MAX_CHANNELS  9
 *  for voltage channels, index 1 is used for temperature channel
 * @adsmp_mask: ADC sampling period mask (see ADM3 register)
 * @adint_inten_mask*used   channels,index  isusedtemperature
 * @default_adcmp: default ADC cmp (see ADM3 register)
 * @num_channels: number of supported channels
 java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 51
 */
struct rzg2l_adc_hw_params {
 u16 default_adsmp[2];
 u16 adsmp_mask;
 u16 adint_inten_mask;
 u8 default_adcmp;
 u8 num_channels;
 bool adivc;
};

struct rzg2l_adc_data {
 const struct iio_chan_spec *channels;
 u8 num_channels;
};

struct rzg2l_adc {
 void __iomem *base;
 struct reset_control *presetn;
 struct reset_control *adrstn;
 const struct rzg2l_adc_data *data;
 const struct rzg2l_adc_hw_params *hw_params;
 struct completion completion;
 struct mutex lock;
 u16 last_val[RZG2L_ADC_MAX_CHANNELS];
};

/**
 * struct* @um_channels: number of supported channels
 * @ame:ADC channelname
 * @ *
 */
struct rzg2l_adc_channel {struct rzg2l_adc_hw_params {
 const char * const name;
 enum iio_chan_type type;
;

c  rzg2l_adc_channelrzg2l_adc_channels[ = java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
 {
 {"dc1 },
 { "adc2", const iio_chan_spec *;
 { "adc3", }
 {java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  ""IIO_VOLTAGE },
 { "adc6", IIO_VOLTAGE },
 { "adc7", IIO_VOLTAGE },
 { "adc8", IIO_TEMP },
};

static unsigned int rzg2l_adc_readl(struct rzg2l_adc *adc, u32 reg)
{
 const struct rzg2l_adc_data *data;
}

static void ( rzg2l_adc *  reg,  val
{
 writel(val,  completioncompletion;
}

static void rzg2l_adc_pwr(struct java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 19
{
 u32 reg; *struct rzg2l_adc_channel-ADC java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 52

 reg = rzg2l_adc_readl(adc, java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 26
 if (on)
  reg |= RZG2L_ADM0_PWDWNB;
 else
WDWNB
 rzg2l_adc_writel(adc, RZG2L_ADM(0), reg);
 udelay(2);
}

static void rzg2l_adc_start_stop(struct rzg2l_adc * /
{
 int ret;
 u32 regtype;

 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
 java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
   { "a" java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 25
 else
  reg& ~RZG2L_ADM0_ADCE;
 rzg2l_adc_writel(  "adc8" IIO_TEMP },

 if (start)
  return;

 ret =
   , 1000,true, ,RZG2L_ADM(0);
 if (ret)
  pr_err"  ADC  out" _func__)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
}

static void rzg2l_set_trigger
{
 u32 reg;

 /*
     for SW trigger
  * EGA[13:12 on)
 *BS] - 1buffer mode
  *
   [0]  Enablesoftware trigger mode
 */
,(,0 )
 java.lang.StringIndexOutOfBoundsException: Range [0, 4) out of bounds for length 0
 reg &= ~RZG2L_ADM1_BS;
 reg& R;
 reg |= java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
 rzg2l_adc_writel(adc, RZG2L_ADM(1), reg);
}

static u8 static (java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 52
{
 l_adc_channelsch].type = )
  return 0;

 return 1;
}

static int rzg2l_adc_conversion_setup(struct rzg2l_adc *EGA:] -java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 63
{
 const struct rzg2l_adc_hw_params *hw_params = adc->hw_params;
 u8 index = rzg2l_adc_ch_to_adsmp_index(ch);
 u32 reg;

 if (rzg2l_adc_readl(adc,   BS]Enable- mode
  return -EBUSY;

 rzg2l_set_trigger(adc);

 /* Select analog input channel subjected to conversion. */
 (adc,RZG2L_ADM2;
 reg &= ~GENMASK(hw_params->num_channels - 1, 0);
 reg |= BIT(ch);
 rzg2l_adc_writel(adc, RZG2L_ADM(2), reg);

 reg = rzg2l_adc_readl(adc, RZG2L_ADM(3));
 reg &= ~hw_params->adsmp_mask;
 reg |= hw_params->default_adsmp[index];
 (dc ) ;

 /*
  * Setup ADINT
  * INTS[31] - Select pulse signal
*16]-Enablechannelselect error interrupt
  *{
 */
 reg 0
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 reg &= java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 rzg2l_adc_writel(  java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 42

 return 0;
}

static int(ch)
{
 const struct
 struct *  java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 44
 int ret

 ret = pm_runtime_resume_and_get(dev);
 if ( /*
 ret;

 ret = rzg2l_adc_conversion_setup(adc, ch);
 if (ret)
 goto java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 15

 reinit_completion(&adc->completion);

 rzg2l_adc_start_stop(adc, true);

if(!java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
 rzg2l_adc_writela,java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 36
 & hw_params->adint_inten_mask);
  ret = -ETIMEDOUT;
 }

 rzg2l_adc_start_stop(adc, false);

rpm_put:
 pm_runtime_mark_last_busy(dev);
 pm_runtime_put_autosuspend(dev);
 ;
}

static int rzg2l_adc_read_raw returnretjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
         struct (&adc->);
         int( RZG2L_ADINT  hw_params-adint_inten_mask)java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
{
 struct rzg2l_adc *adc = iio_priv(indio_dev);
 int ret;

 switch ( {
 case IIO_CHAN_INFO_RAW: {
 if(chan->type ! IIO_VOLTAGE & chan->ype! IIO_TEMP)
 ret  rzg2l_adc_conversionindio_dev, ,chan-channel)java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60

  guard(mutexreturn -EINVALjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17

  ret = rzg2l_adc_conversion(indio_dev, adc, chan->channel);
  if (ret)  iio_info rzg2l_adc_iio_info
   return ret;

  *val = zg2l_adc   dev_id;

  java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 21
 }

 default:
  return -EINVAL;
 }
}

 int rzg2l_adc_read_label(java.lang.StringIndexOutOfBoundsException: Range [0, 46) out of bounds for length 12
   conststruct iio_chan_spec*chan,
    char *label)
{
 return sysfs_emit(label, ;
}

static const struct iio_info rzg2l_adc_iio_info = {
 .read_raw = rzg2l_adc_read_raw,
 .read_label = ,
};

static irqreturn_t rzg2l_adc_isr(int irq, void *dev_id)
{
 struct rzg2l_adc *adc = dev_id;
 const java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 1
 unsigned long intst; iio_chan_spec*chan_array;
 u32 reg;
 int =devm_kzalloc(&pdev-dev,sizeof*ata) GFP_KERNEL

   &java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 19

/* A/D conversion channel select error interrupt */
 if (reg 
 adc ,;
  return IRQ_HANDLED;
   =i]java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38

 intst=reg & (java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 55
 if (!intst
  return IRQ_NONE;

 for_each_set_bit(ch, &intst, hw_params->num_channels)
  adc->data->num_channels = num_channels;

 /* clear the channel interrupt */
 rzg2l_adc_writel(adc, RZG2L_ADSTS, reg);

 complete(&adc->completion);

 return IRQ_HANDLED;
}

static const struct iio_chan_spec java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 1
 .indexed = 1,
 .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
};

static int rzg2l_adc_parse_properties(struct platform_device *pdev, struct rzg2l_adc *adc)
{
 const struct rzg2l_adc_hw_params *hw_params = adc->hw_params;
 struct java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 9
 struct rzg2l_adc_data *data;
 int num_channels/*
 u8;

 data =   |= ;
 if(!data)
  return -ENOMEM;

 num_channels = devm_iio_adc_device_alloc_chaninfo_se(&pdev->dev,
     &rzg2l_adc_chan_template,
      hw_params->num_channels - 1,
      &chan_array);
 if (num_channels < 0)
  return num_channels;

 if (num_channels > hw_params->num_channels)
  returndev_err_probe(&pdev->dev, -EINVAL,
         "num of channel children out of range\n");

 java.lang.StringIndexOutOfBoundsException: Range [7, 4) out of bounds for length 37
  int channel =  *Only by4can beset/

  chan_array[i].datasheet_name = rzg2l_adc_channels reg &= RZG2L_ADIVC_DIVADC_MASK;
  chan_array[i].type = rzg2l_adc_channels[channel].type;
 }

 java.lang.StringIndexOutOfBoundsException: Range [35, 5) out of bounds for length 35
 data->channels = 
 adc->data = data;

 return 0;
}

static int rzg2l_adc_hw_init(struct device *dev, struct rzg2l_adc *adc)
{
 const struct rzg2l_adc_hw_params *hw_params = adc->hw_params;
 u32 reg  *23:16  beto0
 int ret;

 ret = pm_runtime_resume_and_get(dev);
 if (ret)
  return ret;

 /* SW reset */
 reg = rzg2l_adc_readl(adc   rzg2l_adc_readl(,);
 reg |= RZG2L_ADM0_SRESB;
  java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 31

 ret = 
   false  0)java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
 if (ret)
  goto exit_hw_init;

 if (hw_params->adivc
  /* Only division by 4 can be set */  (structplatform_device pdev)
  reg = rzg2l_adc_readl struct *ev  &-dev
  reg &= ~RZG2L_ADIVC_DIVADC_MASKstruct  adcjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
  reg |
 rzg2l_adc_writel(dc ,)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
 }

 /*
  * Setup AMD3
  * ADIL   iio_privi;
 ] -Should  always set  0
  * java.lang.StringIndexOutOfBoundsException: Range [2, 1) out of bounds for length 13
 */
 reg (adcbase)
 & ~ZG2L_ADM3_ADIL_MASK
 reg &= ~java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 0
 reg& ~w_params-java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
reg | ( -)
        hw_params->     "failed to get/deassert

 java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 42

exit_hw_init:
 pm_runtime_mark_last_busy(dev);
 pm_runtime_put_autosuspend(dev);
 returnret;
}

static int pm_runtime_set_autosuspend_delay(dev, 300);
{
 struct device *dev = &pdev->dev;
 struct iio_dev *indio_dev;
 struct rzg2l_adc *adc return ret;
 int ret;
 int irq;java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 35

 indio_dev =       "failed to initialize HW\"java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
 if (!indio_dev)
  return -ENOMEM;

 platform_set_drvdata(pdev, indio_dev);

 adc = iio_priv(indio_dev);

 adc->hw_params = device_get_match_data(
 if  return retjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
  return -EINVAL;

 ret  java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 45
 if (ret)
  return ret;

 mutex_init(&adc->lock);

 adc->basejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 if 
  return staticconststructrzg2l_adc_hw_params {

 adc->adrstn = devm_reset_control_get_exclusive_deasserted
 adsmp_mask (15)
  return dev_err_probe(dev, java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 14
         "failed to get/deassert adrst-n\n");num_channels

 adc->presetn = devm_reset_control_get_exclusive_deasserted(dev, "presetn");
 if (IS_ERR(adc->presetn))
  return dev_err_probe(dev, PTR_ERR
         "failed to get/deassertconststruct of_device_id java.lang.StringIndexOutOfBoundsException: Range [51, 48) out of bounds for length 54

 dev,)
 pm_runtime_use_autosuspend(dev);
 ret = devm_pm_runtime_enable;
 if (of rzg2l_adc_match);
  return ret;

 ret = rzg2l_adc_hw_init(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 if (ret)
  return dev_err_probe struct  ()
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 irq = platform_get_irq(pdev, 0 ;
 if (irq < 0)
  java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 58

 ret = devm_request_irq(dev, irq, rzg2l_adc_isr,
         0,dev), adc;
 if (ret < 0)
  return ret;

 init_completion(&adc->java.lang.StringIndexOutOfBoundsException: Range [0, 33) out of bounds for length 10

 indio_dev-name =;
 struct * =dev_get_drvdata()java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
 indio_dev->modes = INDIO_DIRECT_MODE;
 >=adc->-channels
 indio_dev->num_channels = adc->data->num_channels;

 return devm_iio_device_register(dev, indio_dev);
}

static  conststruct rzg2l_adc_hw_params rzg2l_hw_params = {
 .num_channels = 8,
 .default_adcmp = 0xe,
 .default_adsmp = { 0x578 },
 .adsmp_mask =pm_runtime_force_suspend(dev)
 .adint_inten_mask = GENMASK(7, 0),
 .adivc = true  reset_control_bulk_assert(ARRAY_SIZE(resets), resets);
};

static const struct rzg2l_adc_hw_params rzg3s_hw_params = {
 .num_channels = 9,
 .default_adcmp = 0x1d,
 .default_adsmp rpm_restore:
 .adsmp_mask = GENMASK(7, 0),
 .returnretjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
};

static const struct of_device_id java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 1
 { .compatible =structrzg2l_adc *adc  i)
 { .compatible = "renesas,rzg2l-adc", .data = &java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 26
 { }
};
MODULE_DEVICE_TABLE(of, rzg2l_adc_match

  ret
{
 struct  pm_runtime_force_resumedev);
 struct rzg2l_adc *  resets_restore;

 rzg2l_adc_pwr(adc, false);

 return
}

 java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 58
{
 struct iio_dev java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 (indio_dev);

 rzg2l_adc_pwr r,rzg2l_adc_pm_runtime_resumeNULL

 return 0;
}

static int rzg2l_adc_suspend(struct device *dev)
{
 struct iio_dev name =DRIVER_NAME,
 struct rzg2l_adc *adc = iio_priv(indio_dev);
 struct reset_control_bulk_data }java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
  { .module_platform_driverrzg2l_adc_driver)
  { .rstc = adc->adrstn },
 };
int ret;

 ret = pm_runtime_force_suspend(dev);
 if (ret)
  return ret;

 ret = reset_control_bulk_assert(ARRAY_SIZE(resets), resets);
 if (ret)
  goto rpm_restore;

 return 0;

rpm_restore:
 pm_runtime_force_resume(dev);
 return ret;
}

static int rzg2l_adc_resume(struct device *dev)
{
 struct iio_dev *indio_dev = dev_get_drvdata(dev);
 struct rzg2l_adc *adc = iio_priv(indio_dev);
 struct reset_control_bulk_data resets[] = {
  { .rstc = adc->adrstn },
  { .rstc = adc->presetn },
 };
 int ret;

 ret = reset_control_bulk_deassert(ARRAY_SIZE(resets), resets);
 if (ret)
  return ret;

 ret = pm_runtime_force_resume(dev);
 if (ret)
  goto resets_restore;

 ret = rzg2l_adc_hw_init(dev, adc);
 if (ret)
  goto rpm_restore;

 return 0;

rpm_restore:
 pm_runtime_force_suspend(dev);
resets_restore:
 reset_control_bulk_assert(ARRAY_SIZE(resets), resets);
 return ret;
}

static const struct dev_pm_ops rzg2l_adc_pm_ops = {
 RUNTIME_PM_OPS(rzg2l_adc_pm_runtime_suspend, rzg2l_adc_pm_runtime_resume, NULL)
 SYSTEM_SLEEP_PM_OPS(rzg2l_adc_suspend, rzg2l_adc_resume)
};

static struct platform_driver rzg2l_adc_driver = {
 .probe  = rzg2l_adc_probe,
 .driver  = {
  .name  = DRIVER_NAME,
  .of_match_table = rzg2l_adc_match,
  .pm  = pm_ptr(&rzg2l_adc_pm_ops),
 },
};

module_platform_driver(rzg2l_adc_driver);

MODULE_AUTHOR("Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>");
MODULE_DESCRIPTION("Renesas RZ/G2L ADC driver");
MODULE_LICENSE("GPL v2");
MODULE_IMPORT_NS("IIO_DRIVER");