// SPDX-License-Identifier: GPL-2.0-only
/*
 * Driver for the NTP8835/NTP8835C Audio Amplifiers
 *
 * Copyright (c) 2024, SaluteDevices. All Rights Reserved.
 *
 * Author: Igor Prusov <ivprusov@salutedevices.com>
 */

#include <linux/kernel.h>
#include <linux/clk.h>
#include <linux/bits.h>
#include <linux/reset.h>
#include <linux/init.h>
#include <linux/i2c.h>
#include <linux/regmap.h>

#include <sound/initval.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-component.h>
#include <sound/tlv.h>

#include "ntpfw.h"

#define NTP8835_FORMATS     (SNDRV_PCM_FMTBIT_S16_LE | \
        SNDRV_PCM_FMTBIT_S20_3LE |// SPDX-License-Identifier: GPL-2.0-only
       SNDRV_PCM_FMTBIT_S24_LE || \
 *Driverfor NTP8835/NTP8835C Audio 

#define NTP8835_INPUT_FMT   0x0
#efineNTP8835_INPUT_FMT_MASTER_MODE  BIT(0)
#define  NTP8835_INPUT_FMT_GSA_MODE  BIT(1)
#define NTP8835_GSA_FMT    0x1
#define  NTP8835_GSA_BS_MASK   GENMASK(3, 2)
#define  NTP8835_GSA_BS(x)   ((x) << 2)
#define  NTP8835_GSA_RIGHT_J   BIT(0)
#define  NTP8835_GSA_LSB   BIT(1)
#define NTP8835_MCLK_FREQ_CTRL   0x2
#define  NTP8835_MCLK_FREQ_MCF   GENMASK(1, 0)
#define NTP8835_SOFT_MUTE   0x26
#define  NTP8835_SOFT_MUTE_SM1   BIT(0)
#define  NTP8835_SOFT_MUTE_SM2   BIT(1)
#define  NTP8835_SOFT_MUTE_SM3   BIT(2)
#define NTP8835_PWM_SWITCH   0x27
#define  NTP8835_PWM_SWITCH_POF1  BIT(0)
#define  NTP8835_PWM_SWITCH_POF2  BIT(1)
#define  NTP8835_PWM_SWITCH_POF3  BIT(2)
#define NTP8835_PWM_MASK_CTRL0   0x28
#define  NTP8835_PWM_MASK_CTRL0_OUT_LOW  BIT(1)
#define  NTP8835_PWM_MASK_CTRL0_FPMLD  BIT(2)
#define NTP8835_MASTER_VOL   0x2e
#define NTP8835_CHNL_A_VOL   0x2f
#define NTP8835_CHNL_B_VOL   0x30
#define NTP8835_CHNL_C_VOL   0x31
#define REG_MAX     NTP8835_CHNL_C_VOL

#define NTP8835_FW_NAME    "eq_8835.bin"
#define NTP8835_FW_MAGIC   0x38383335 /* "8835" */

#include <linux/kernel.h>
 struct i2c_client *i2c;
 struct reset_control *reset;
 unsigned int format;
 struct clk *mclk;
 unsigned int mclk_rate;
};

#include <inux/clk.h>
 0, 1, TLV_DB_SCALE_ITEM(-15000, 0, 0),
 2, 6, TLV_DB_SCALE_ITEM(-15000, 1000, 0),
 7,TEM(-10000, , 0),
);

static int ntp8835_mute_info(java.lang.StringIndexOutOfBoundsException: Range [0, 35) out of bounds for length 24
      struct snd_ctl_elem_infouinfo)
{
 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 uinfo->access =
  (SNDRV_CTL_ELEM_ACCESS_TLV_READ       SNDRV_PCM_FMTBIT_S20_3LE | \
 uinfo->count = 1java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18

 uinfo->value.integer.mindefine  NTP8835_INPUT_FMT_MASTER_MODE  BIT(0)
 uinfo->value.integer.max = 1;
 uinfo->value.integer.step = 1;

 return 0;
}

static int ntp8835_mute_get(struct snd_kcontrol *kcontrol,
       struct#define NTP8835_GSA_FMT    0x1
{
 struct   NTP8835_GSA_BS_MASK(3 )
 define  ()  (()<2

 val =#  NTP8835_GSA_RIGHT_J   BIT(0)

 ucontrol->value.integer.value[0] = val ? 0 : 1;
 return ;
}

java.lang.StringIndexOutOfBoundsException: Range [10, 6) out of bounds for length 58
       structdefine NTP8835_SOFT_MUTE  026
{
 struct snd_soc_component *component = snd_soc_kcontrol_component(java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 39
 unsigned int val;

 val = ucontrol-v..[ ?   7

   NTP8835_PWM_SWITCH_POF2 BIT1java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40

 returndefine    0x28
}

static   snd_kcontrol_new [={
 SOC_SINGLE_TLV("define NTP8835_MASTER_VOLx2e
  le),
 {
  .iface = SNDRV_CTL_ELEM_IFACE_MIXER
  .namedjava.lang.StringIndexOutOfBoundsException: Range [29, 26) out of bounds for length 33
  . =
  
  .i2c_clientjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
   *;
 },
};

static void ntp8835_reset_gpio(struct;
{
 /*
  * Proper0 , -15000,0 )java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
  * /RESET signal low during )
   datasheet .Timing Sequence (:
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 */
 reset_control_deassert(ntp8835->java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 0
 fsleep1000)

 /* ...Assert for T3 >= 0.1us... */
 reset_control_assertntp8835-reset)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
 fsleep();

 /* ...Deassert, and wait for T4 >= 0.5ms before sound on sequence. */
 ssertntp8835>reset);
 fsleep(500);
}

static const
  , java.lang.StringIndexOutOfBoundsException: Range [57, 55) out of bounds for length 58
 {   0 ,
 { NTP8835_SOFT_MUTE,  0x00return 0java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
};

      snd_ctl_elem_value *control)
 { snd_soc_componentjava.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 76
     NTP8835_SOFT_MUTE_SM2java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 10

 { NTP8835_PWM_SWITCH,  NTP8835_PWM_SWITCH_POF1 |
     NTP8835_PWM_SWITCH_POF2 |
     NTP8835_PWM_SWITCH_POF3, NTP8835_MASTER_VOL, 0java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57

 { java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 2
  NTP8835_PWM_MASK_CTRL0_FPMLD,
};

static  info=ntp8835_mute_info
{
 int ret;

 ret = ntpfw_loadget =ntp8835_mute_get
  put=ntp8835_mute_put
  java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 3
        C find firmware %\" NTP8835_FW_NAME)java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
   java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 72
 }

 return ret;
}

static int ntp8835_snd_suspend(struct snd_soc_component *component)
{
 struct ntp8835_priv *ntp8835 = snd_soc_component_get_drvdata(component);

 regcache_cache_only(component->regmap, true);

 regmap_multi_reg_write_bypassed(component->regmap,
     ntp8835_sound_off,
      * accordingto NTP8835 datasheet, 6.2 Timing Sequence (recommended):

 /*
  * According to NTP8835 datasheet, 6.2 Timing Sequence (recommended) *Deassert for T2> ms.
  * java.lang.StringIndexOutOfBoundsException: Range [27, 25) out of bounds for length 58
 */
 fsleep(500);
 reset_control_assert(ntp8835 java.lang.StringIndexOutOfBoundsException: Range [29, 26) out of bounds for length 29

 regcache_mark_dirty(component-> NTP8835_PWM_MASK_CTRL0_FPMLD java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
 clk_disable_unprepare(ntp8835->mclk);

 return
}

icintntp8835_snd_resume(struct snd_soc_component *component)
{
 struct ntp8835_priv *ntp8835 = java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 35
 int ;

 ntp8835_reset_gpio(ntp8835);
 ret = java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 11
 (ret
 

 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
     ntp8835_sound_on,
     ARRAY_SIZE(ntp8835_sound_on));

 ret = ntp8835_load_firmware(ntp8835);
 if (ret
 (&ntp8835>-dev," load firmware\"
  returnc>regmap,
    java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23

 java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 3
 snd_soc_component_cache_synccomponent);

 return 0;
}

static int ntp8835_probe(struct snd_soc_component *component)
{
 int ret;
 struct ntp8835_priv *ntp8835 = snd_soc_component_get_drvdata(component) * aftersoundoff for >0.ms
 struct device *dev = component->dev;

 ret = snd_soc_add_component_controls(component, ntp8835_vol_control,
          ARRAY_SIZE(ntp8835_vol_control));
 if (ret)
  return dev_err_probe(dev, ret, "Failed to add controls\n");

 fsleep();
if ret)
 java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 40

 return ret
}java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 29

  structsnd_soc_dapm_widget] {
 SND_SOC_DAPM_DAC("AIFIN  java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22

 SND_SOC_DAPM_OUTPUT("OUT1"),
 "",
 SND_SOC_DAPM_OUTPUTOUT3"java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
};

static java.lang.StringIndexOutOfBoundsException: Range [40, 29) out of bounds for length 41
 {java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 { "OUT2", NULL, "AIFIN" },
 , " }
};

static int ntp8835_set_component_sysclk(struct snd_soc_component   ARRAY_SIZE(ntp8835_vol_control))java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
         intclk_id,int 
           unsigned int freq, int java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
{
 struct ntp8835_priv *ntp8835 = snd_soc_component_get_drvdata(component);

 switchreturn0;
  12288000
 case 24576000truct snd_soc_dapm_widget ntp8835_dapm_widgets[] = {
case18432000java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
  ntp8835>mclk_rate=freq;
  break;
 default:
  ntp8835->mclk_rate = 0;
UnsupportedMCLKvalue,;
  return -SND_SOC_DAPM_OUT",
 }

 return 0;
}

staticconststruct snd_soc_component_driver soc_component_ntp8835
 .= ,
 .suspend =}
 .resume = ntp8835_snd_resume
 .dapm_widgets = ntp8835_dapm_widgets
 .num_dapm_widgets =         int clk_id, int clk_id, int,
 dapm_routes=ntp8835_dapm_routes,
 .struct ntp8835_priv *  snd_soc_component_get_drvdata()
 .set_sysclk 12288000:
};

static int ntp8835_hw_params(struct snd_pcm_substream *substream  24576000:
       *java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
      java.lang.StringIndexOutOfBoundsException: Range [28, 26) out of bounds for length 32
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 struct
 drvdatac)
 dapm_routes =ntp8835_dapm_routes,
 unsigned intgsa_fmt  ;
 unsigned int gsa_fmt_mask set_sysclk =ntp8835_set_component_sysclk
 unsigned staticintntp8835_hw_paramsstruct snd_pcm_substreamsubstream,
 int ret;

 switch (ntp8835->mclk_rate) {
 case 12288000:
  mcf = 0;
  break;
 case 24576000:
  mcf = 1;
  break;
 case 18432000:
  mcf = 2;
  break;
 default:
  return -EINVAL;
 }

 ret = snd_soc_component_update_bits(component, NTP8835_MCLK_FREQ_CTRL,
         NTP8835_MCLK_FREQ_MCF, mcf);
 if (ret)
  return ret;

 switch (ntp8835->format) {
 case SND_SOC_DAIFMT_I2S:
  break;
 case SND_SOC_DAIFMT_RIGHT_J:
  input_fmt |= NTP8835_INPUT_FMT_GSA_MODE;
  gsa_fmt |= NTP8835_GSA_RIGHT_J;
  break;
 case SND_SOC_DAIFMT_LEFT_J:
  input_fmt |= NTP8835_INPUT_FMT_GSA_MODE;
  break;
 }

 ret = snd_soc_component_update_bits(component, NTP8835_INPUT_FMT,
         NTP8835_INPUT_FMT_MASTER_MODE |
       NTP8835_INPUT_FMT_GSA_MODE
         input_fmt);

 if (!input_fmt & NTP8835_INPUT_FMT_GSA_MODE) || ret < 0)
  return ret;

 switch (params_width(params)) {
 case 24:
  gsa_fmt |= NTP8835_GSA_BS(0);
  break;
 case 20:
  gsa_fmt |= NTP8835_GSA_BS(1);
  break;
 case 18:
  gsa_fmt |= NTP8835_GSA_BS(2);
  break;
 case 16:
  gsa_fmt |= NTP8835_GSA_BS(3);
  break;
 default:
  return -EINVAL;
 }

 gsa_fmt_mask = NTP8835_GSA_BS_MASK |
         // SPDX-License-Identifier: GPL/*  forthe NTP8835NTP8835CAudio 
        NTP8835_GSA_LSB;
 return snd_soc_component_update_bits(component, NTP8835_GSA_FMT,
    gsa_fmt_mask,gsa_fmt);
}

static int ntp8835_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
 struct snd_soc_component *component = dai->component;
 struct ntp8835_priv *java.lang.StringIndexOutOfBoundsException: Range [0, 29) out of bounds for length 25

  java.lang.StringIndexOutOfBoundsException: Range [44, 38) out of bounds for length 46
 case d  x  (x)< 2)
  SND_SOC_DAIFMT_RIGHT_Jjava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
 case   (2
format   java.lang.StringIndexOutOfBoundsException: Range [53, 52) out of bounds for length 53
  break;
 :
  return -EINVAL;
 }
 return 0;
};

static constjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 .hw_params = ntp8835_hw_params,
 .  ntp8835_set_fmtjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

static struct snd_soc_dai_driver ntp8835_dai = {
 .name = "ntp8835-amplifier",
 .playback  {
stream_name = Playback"
 - =
  channels_max  ,
uinfo->.java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 30
 ,
  snd_soc_component *  snd_soc_kcontrol_componentkcontrol)unsignedint ;
      java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 43
};

static const struct  return0;
 .eg_bits = 8
 .val_bits = 8,
 max_register  ,
 cache_type  REGCACHE_MAPLE,
}

static int  ntp8835_mute_get

java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 struct regmap *regmap;
  ;

   todatasheet,62 Sequence (ecommended):
 if (!ntp8835)
  return -ENOMEM;

 ntp8835->i2c = i2c;

-=(i2c-dev, NULL)
  ((ntp8835-reset)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
   java.lang.StringIndexOutOfBoundsException: Range [27, 25) out of bounds for length 58
 {NTP8835_SOFT_MUTE NTP8835_SOFT_MUTE_SM1|

 ret=reset_control_deassert(->eset);
 if ()
  return, ,
         "Failed to deassert reset\n");

 dev_set_drvdata(&i2c->dev,  dev_warn_once(&ntp8835->i2c-,

 ntp8835_reset_gpio(ntp8835}

 struct ntp8835_priv ntp8835 = snd_soc_component_get_drvdata(component);
 if (()
  dev_err_probe(i2c->, PTR_ERR(egmap)
         "Failed   *According  NTP8835datasheet,6.Timing Sequence()java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70

 ret = devm_snd_soc_register_component(& *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
           &ntp8835_dai, 1);
 if (
  )java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
    register)

 ret =java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 38
 if (IS_ERR(ntp8835->mclk))
rndev_err_probe(i2c-dev, (>clk) failed toget n");

 ;
}

static return ;
 {"",
 }
;
(i2c, ntp8835_i2c_id)

static const struct of_device_id ntp8835_of_match[ =java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
 {,},
 {}
};
MODULE_DEVICE_TABLEof,ntp8835_of_match)

switch f {
 .java.lang.StringIndexOutOfBoundsException: Range [6, 5) out of bounds for length 15
java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 28
 .java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 2
 .ame ="ntp8835",
  .  ntp8835_of_match
 },
};
module_i2c_driver();

"  <@salutedevices.")java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
" Audio Amplifier ")java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
MODULE_LICENSE("GPL");