// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2019 MediaTek Inc.
 * Author: Michael Hsiao <michael.hsiao@mediatek.com>
 */

/****************************************************************************
 *
 * Filename:
 * ---------
 *   mt6583.c
 *
 * Project:
 * --------
 *   MT6583  Audio Driver Kernel Function
 *
 * Description:
 * ------------
 *   Audio register
 *
 * Author:
 * -------
 * Chipeng Chang
 *
 *----------------------------------------------------------------------------
 *
 *
 ******************************************************************************
 */

/*****************************************************************************
 *                     C O M P I L E R   F L A G S
 *****************************************************************************/

/*****************************************************************************
 *                E X T E R N A L   R E F E R E N C E S
 *****************************************************************************/

#include "mtk-auddrv-afe.h"
#include "mtk-auddrv-ana.h"
#include "mtk-auddrv-clk.h"
#include "mtk-auddrv-common.h"
#include "mtk-auddrv-def.h"
#include "mtk-auddrv-kernel.h"
#include "mtk-soc-afe-control.h"
#include "mtk-soc-analog-type.h"
#include "mtk-soc-digital-type.h"
#include "mtk-soc-pcm-common.h"
#include "mtk-soc-pcm-platform.h"
#include <linux/dma-mapping.h>

#include "mtk-auddrv-common-func.h"
#include "mtk-auddrv-gpio.h"
#include "mtk-soc-codec-63xx.h"

#include <linux/clk.h>
#include <linux/time.h>

#include <linux/fb.h>
#include <linux/notifier.h>

#ifdef CONFIG_COMPAT
#include <linux/compat.h>
#endif

#include "mtk-soc-speaker-amp.h"

/*
 *    function implementation
 */

static int mtk_afe_routing_probe(struct platform_device *pdev);
static int mtk_routing_pcm_close(struct snd_pcm_substream *substream);
static int mtk_afe_routing_component_probe(struct snd_soc_component *component);

static int mDac_Sinegen = 27; /* "OFF" */
static const char *const DAC_DL_SINEGEN[] = {
	"I0I1",   "I2",     "I3I4",   "I5I6",   "I7I8",   "I9",     "I10I11",
	"I12I13", "I14",    "I15I16", "I17I18", "I19I20", "I21I22", "O0O1",
	"O2",     "O3O4",   "O5O6",   "O7O8",   "O9O10",  "O11",    "O12",
	"O13O14", "O15O16", "O17O18", "O19O20", "O21O22", "O23O24", "OFF",
	"O3",     "O4",     "I25I26", "O25",    "O28O29", "I23I24", "O32O33",
	"I27I28", "O30O31", "O34",    "O36O37", "O38O39", "I34I35",
};

static int mDac_SampleRate = 8; /* 48kHz */
static const char *const DAC_DL_SINEGEN_SAMEPLRATE[] = {
	"8K",  "11K", "12K", "16K", "22K",  "24K", "32K",
	"44K", "48K", "88k", "96k", "176k", "192k"};

static int mDac_Sinegen_Amplitude = 6; /* "1/2" */
static const char *const DAC_DL_SINEGEN_AMPLITUE[] = {
	"1/128", "1/64", "1/32", "1/16", "1/8", "1/4", "1/2", "1"};
static const char *const spk_type_str[] = {"MTK_SPK_NOT_SMARTPA",
					   "MTK_SPK_RICHTEK_RT5509",
#if defined(CONFIG_SND_SOC_TAS5782M)
					   "MTK_SPK_TI_TAS5782M",
#endif
					   "MTK_SPK_MTK_MT6660"};

static bool mEnableSideToneFilter;
static const char *const ENABLESTF[] = {"Off", "On"};
static int stf_gain;
static int stf_positive_gain_db;

static int mAudio_Mode;
static const char *const ANDROID_AUDIO_MODE[] = {
	"Normal_Mode",	"Ringtone_Mode", "Incall_Mode",
	"Communication_Mode", "Incall2_Mode",  "Incall_External_Mode"};
static const char *const InterModemPcm_ASRC_Switch[] = {"Off", "On"};
static const char *const Audio_Debug_Setting[] = {"Off", "On"};
static const char *const Audio_IPOH_State[] = {"Off", "On"};
static const char *const Audio_I2S1_Setting[] = {"Off", "On"};

static bool AudDrvSuspendStatus;
/* static bool mModemPcm_ASRC_on = false; */
static bool AudioI2S1Setting;

static bool AudDrvSuspend_ipoh_Status;
static int audio_dpd_switch;

int Get_Audio_Mode(void)
{
	return mAudio_Mode;
}

static int Audio_SineGen_Get(struct snd_kcontrol *kcontrol,
			     struct snd_ctl_elem_value *ucontrol)
{
	pr_debug("Audio_AmpR_Get = %d\n", mDac_Sinegen);
	ucontrol->value.integer.value[0] = mDac_Sinegen;
	return 0;
}

static int Audio_SineGen_Set(struct snd_kcontrol *kcontrol,
			     struct snd_ctl_elem_value *ucontrol)
{
	int index = 0;

	pr_debug("%s()\n", __func__);
	if (ucontrol->value.enumerated.item[0] > ARRAY_SIZE(DAC_DL_SINEGEN)) {
		pr_err("return -EINVAL\n");
		return -EINVAL;
	}
	index = ucontrol->value.integer.value[0];
	switch (index) {
	case 0:
		EnableSineGen(Soc_Aud_InterConnectionInput_I00,
			      Soc_Aud_MemIF_Direction_DIRECTION_INPUT, true);
		break;
	case 1:
		EnableSineGen(Soc_Aud_InterConnectionInput_I02,
			      Soc_Aud_MemIF_Direction_DIRECTION_INPUT, true);
		break;
	case 2:
		EnableSineGen(Soc_Aud_InterConnectionInput_I03,
			      Soc_Aud_MemIF_Direction_DIRECTION_INPUT, true);
		break;
	case 3:
		EnableSineGen(Soc_Aud_InterConnectionInput_I05,
			      Soc_Aud_MemIF_Direction_DIRECTION_INPUT, true);
		break;
	case 4:
		EnableSineGen(Soc_Aud_InterConnectionInput_I07,
			      Soc_Aud_MemIF_Direction_DIRECTION_INPUT, true);
		break;
	case 5:
		EnableSineGen(Soc_Aud_InterConnectionInput_I09,
			      Soc_Aud_MemIF_Direction_DIRECTION_INPUT, true);
		break;
	case 6:
		EnableSineGen(Soc_Aud_InterConnectionInput_I11,
			      Soc_Aud_MemIF_Direction_DIRECTION_INPUT, true);
		break;
	case 7:
		EnableSineGen(Soc_Aud_InterConnectionInput_I12,
			      Soc_Aud_MemIF_Direction_DIRECTION_INPUT, true);
		break;
	case 8:
		EnableSineGen(Soc_Aud_InterConnectionInput_I14,
			      Soc_Aud_MemIF_Direction_DIRECTION_INPUT, true);
		break;
	case 9:
		EnableSineGen(Soc_Aud_InterConnectionInput_I15,
			      Soc_Aud_MemIF_Direction_DIRECTION_INPUT, true);
		break;
	case 10:
		EnableSineGen(Soc_Aud_InterConnectionInput_I17,
			      Soc_Aud_MemIF_Direction_DIRECTION_INPUT, true);
		break;
	case 11:
		EnableSineGen(Soc_Aud_InterConnectionInput_I19,
			      Soc_Aud_MemIF_Direction_DIRECTION_INPUT, true);
		break;
	case 12:
		EnableSineGen(Soc_Aud_InterConnectionInput_I21,
			      Soc_Aud_MemIF_Direction_DIRECTION_INPUT, true);
		break;
	case 13:
		EnableSineGen(Soc_Aud_InterConnectionOutput_O01,
			      Soc_Aud_MemIF_Direction_DIRECTION_OUTPUT, true);
		break;
	case 14:
		EnableSineGen(Soc_Aud_InterConnectionOutput_O02,
			      Soc_Aud_MemIF_Direction_DIRECTION_OUTPUT, true);
		break;
	case 15:
		EnableSineGen(Soc_Aud_InterConnectionOutput_O03,
			      Soc_Aud_MemIF_Direction_DIRECTION_OUTPUT, true);
		break;
	case 16:
		EnableSineGen(Soc_Aud_InterConnectionOutput_O05,
			      Soc_Aud_MemIF_Direction_DIRECTION_OUTPUT, true);
		break;
	case 17:
		EnableSineGen(Soc_Aud_InterConnectionOutput_O07,
			      Soc_Aud_MemIF_Direction_DIRECTION_OUTPUT, true);
		break;
	case 18:
		EnableSineGen(Soc_Aud_InterConnectionOutput_O09,
			      Soc_Aud_MemIF_Direction_DIRECTION_OUTPUT, true);
		break;
	case 19:
		EnableSineGen(Soc_Aud_InterConnectionOutput_O11,
			      Soc_Aud_MemIF_Direction_DIRECTION_OUTPUT, true);
		break;
	case 20:
		EnableSineGen(Soc_Aud_InterConnectionOutput_O12,
			      Soc_Aud_MemIF_Direction_DIRECTION_OUTPUT, true);
		break;
	case 21:
		EnableSineGen(Soc_Aud_InterConnectionOutput_O13,
			      Soc_Aud_MemIF_Direction_DIRECTION_OUTPUT, true);
		break;
	case 22:
		EnableSineGen(Soc_Aud_InterConnectionOutput_O15,
			      Soc_Aud_MemIF_Direction_DIRECTION_OUTPUT, true);
		break;
	case 23:
		EnableSineGen(Soc_Aud_InterConnectionOutput_O17,
			      Soc_Aud_MemIF_Direction_DIRECTION_OUTPUT, true);
		break;
	case 24:
		EnableSineGen(Soc_Aud_InterConnectionOutput_O19,
			      Soc_Aud_MemIF_Direction_DIRECTION_OUTPUT, true);
		break;
	case 25:
		EnableSineGen(Soc_Aud_InterConnectionOutput_O21,
			      Soc_Aud_MemIF_Direction_DIRECTION_OUTPUT, true);
		break;
	case 26:
		EnableSineGen(Soc_Aud_InterConnectionOutput_O23,
			      Soc_Aud_MemIF_Direction_DIRECTION_OUTPUT, true);
		break;
	case 27:
		EnableSineGen(Soc_Aud_InterConnectionOutput_O11,
			      Soc_Aud_MemIF_Direction_DIRECTION_OUTPUT, false);
		EnableSineGen(Soc_Aud_InterConnectionInput_I00,
			      Soc_Aud_MemIF_Direction_DIRECTION_INPUT, false);
		break;
	case 28:
		Afe_Set_Reg(AFE_SGEN_CON0, 0x2E8c28c2,
			    0xffffffff); /* o3o4 but mute o4 */
		break;
	case 29:
		Afe_Set_Reg(AFE_SGEN_CON0, 0x2D8c28c2,
			    0xffffffff); /* o3o4 but mute o3 */
		break;
	case 30:
		EnableSineGen(Soc_Aud_InterConnectionInput_I25,
			      Soc_Aud_MemIF_Direction_DIRECTION_INPUT, true);
		break;
	case 31:
		EnableSineGen(Soc_Aud_InterConnectionOutput_O25,
			      Soc_Aud_MemIF_Direction_DIRECTION_OUTPUT, true);
		break;
	case 32:
		EnableSineGen(Soc_Aud_InterConnectionOutput_O28,
			      Soc_Aud_MemIF_Direction_DIRECTION_OUTPUT, true);
		break;
	case 33:
		EnableSineGen(Soc_Aud_InterConnectionInput_I23,
			      Soc_Aud_MemIF_Direction_DIRECTION_INPUT, true);
		break;
	case 34:
		EnableSineGen(Soc_Aud_InterConnectionOutput_O32,
			      Soc_Aud_MemIF_Direction_DIRECTION_OUTPUT, true);
		break;
	case 35:
		EnableSineGen(Soc_Aud_InterConnectionInput_I27,
			      Soc_Aud_MemIF_Direction_DIRECTION_INPUT, true);
		break;
	case 36:
		EnableSineGen(Soc_Aud_InterConnectionOutput_O30,
			      Soc_Aud_MemIF_Direction_DIRECTION_OUTPUT, true);
		break;
	case 37:
		EnableSineGen(Soc_Aud_InterConnectionOutput_O34,
			      Soc_Aud_MemIF_Direction_DIRECTION_OUTPUT, true);
		break;
	case 38:
		EnableSineGen(Soc_Aud_InterConnectionOutput_O36,
			      Soc_Aud_MemIF_Direction_DIRECTION_OUTPUT, true);
		break;
	case 39:
		EnableSineGen(Soc_Aud_InterConnectionOutput_O38,
			      Soc_Aud_MemIF_Direction_DIRECTION_OUTPUT, true);
		break;
	case 40:
		EnableSineGen(Soc_Aud_InterConnectionInput_I34,
			      Soc_Aud_MemIF_Direction_DIRECTION_INPUT, true);
		break;
	default:
		EnableSineGen(Soc_Aud_InterConnectionOutput_O11,
			      Soc_Aud_MemIF_Direction_DIRECTION_OUTPUT, false);
		EnableSineGen(Soc_Aud_InterConnectionInput_I00,
			      Soc_Aud_MemIF_Direction_DIRECTION_INPUT, false);
		break;
	}
	mDac_Sinegen = index;
	return 0;
}

static int Audio_SineGen_SampleRate_Get(struct snd_kcontrol *kcontrol,
					struct snd_ctl_elem_value *ucontrol)
{
	pr_debug("%s\n", __func__);
	ucontrol->value.integer.value[0] = mDac_SampleRate;
	return 0;
}

static int Audio_SineGen_SampleRate_Set(struct snd_kcontrol *kcontrol,
					struct snd_ctl_elem_value *ucontrol)
{
	int index = 0;

	if (ucontrol->value.enumerated.item[0] >
	    ARRAY_SIZE(DAC_DL_SINEGEN_SAMEPLRATE)) {
		pr_err("return -EINVAL\n");
		return -EINVAL;
	}
	index = ucontrol->value.integer.value[0];

	switch (index) {
	case 0:
		SetSineGenSampleRate(8000);
		break;
	case 1:
		SetSineGenSampleRate(11025);
		break;
	case 2:
		SetSineGenSampleRate(12000);
		break;
	case 3:
		SetSineGenSampleRate(16000);
		break;
	case 4:
		SetSineGenSampleRate(22050);
		break;
	case 5:
		SetSineGenSampleRate(24000);
		break;
	case 6:
		SetSineGenSampleRate(32000);
		break;
	case 7:
		SetSineGenSampleRate(44100);
		break;
	case 8:
		SetSineGenSampleRate(48000);
		break;
	case 9:
		SetSineGenSampleRate(88200);
		break;
	case 10:
		SetSineGenSampleRate(96000);
		break;
	case 11:
		SetSineGenSampleRate(176400);
		break;
	case 12:
		SetSineGenSampleRate(192000);
		break;
	default:
		SetSineGenSampleRate(48000);
		break;
	}

	mDac_SampleRate = index;
	return 0;
}

static int Audio_SineGen_Amplitude_Get(struct snd_kcontrol *kcontrol,
				       struct snd_ctl_elem_value *ucontrol)
{
	pr_debug("Audio_AmpR_Get = %d\n", mDac_Sinegen_Amplitude);
	ucontrol->value.integer.value[0] = mDac_Sinegen_Amplitude;
	return 0;
}

static int Audio_SineGen_Amplitude_Set(struct snd_kcontrol *kcontrol,
				       struct snd_ctl_elem_value *ucontrol)
{
	int index = 0;

	pr_debug("%s()\n", __func__);

	if (ucontrol->value.enumerated.item[0] >
	    ARRAY_SIZE(DAC_DL_SINEGEN_AMPLITUE)) {
		pr_err("return -EINVAL\n");
		return -EINVAL;
	}
	index = ucontrol->value.integer.value[0];
	SetSineGenAmplitude(index);
	mDac_Sinegen_Amplitude = index;
	return 0;
}

static int Audio_STF_Get(struct snd_kcontrol *kcontrol,
			 struct snd_ctl_elem_value *ucontrol)
{
	pr_debug("Audio_SideTone_Get = %d\n", mEnableSideToneFilter);
	ucontrol->value.integer.value[0] = mEnableSideToneFilter;
	return 0;
}

static int Audio_STF_Set(struct snd_kcontrol *kcontrol,
			 struct snd_ctl_elem_value *ucontrol)
{
	int index = 0;

	if (ucontrol->value.enumerated.item[0] > ARRAY_SIZE(ENABLESTF)) {
		pr_err("return -EINVAL\n");
		return -EINVAL;
	}
	index = ucontrol->value.integer.value[0];
	if (mEnableSideToneFilter != index) {
		mEnableSideToneFilter = index;
		EnableSideToneFilter(mEnableSideToneFilter);
	}
	return 0;
}

static int stf_gain_get(struct snd_kcontrol *kcontrol,
			struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.integer.value[0] = stf_gain;
	return 0;
}

static int stf_gain_set(struct snd_kcontrol *kcontrol,
			struct snd_ctl_elem_value *ucontrol)
{
	stf_gain = ucontrol->value.integer.value[0];
	set_stf_gain(stf_gain);
	return 0;
}

static int stf_positive_gain_get(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.integer.value[0] = stf_positive_gain_db;
	return 0;
}

static int stf_positive_gain_set(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
{
	stf_positive_gain_db = ucontrol->value.integer.value[0];
	set_stf_positive_gain_db(stf_positive_gain_db);
	return 0;
}

#if 0 /* not used */
static int Audio_ModemPcm_ASRC_Get(struct snd_kcontrol *kcontrol,
				   struct snd_ctl_elem_value *ucontrol)
{
	pr_debug("%s(), mModemPcm_ASRC_on=%d\n", __func__, mModemPcm_ASRC_on);
	ucontrol->value.integer.value[0] = mModemPcm_ASRC_on;
	return 0;
}
#endif

static int AudioDebug_Setting_Set(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
{
	if (ucontrol->value.enumerated.item[0] >
	    ARRAY_SIZE(Audio_Debug_Setting)) {
		pr_err("return -EINVAL\n");
		return -EINVAL;
	}
	EnableSineGen(Soc_Aud_InterConnectionOutput_O03,
		      Soc_Aud_MemIF_Direction_DIRECTION_OUTPUT, true);
	msleep(5 * 1000);
	EnableSineGen(Soc_Aud_InterConnectionOutput_O03,
		      Soc_Aud_MemIF_Direction_DIRECTION_OUTPUT, false);
	EnableSineGen(Soc_Aud_InterConnectionInput_I03,
		      Soc_Aud_MemIF_Direction_DIRECTION_INPUT, true);
	msleep(5 * 1000);
	EnableSineGen(Soc_Aud_InterConnectionInput_I03,
		      Soc_Aud_MemIF_Direction_DIRECTION_INPUT, false);

	Ana_Log_Print();
	Afe_Log_Print();

	return 0;
}

static void Auddrv_I2S1GpioSet(void)
{

#ifndef CONFIG_FPGA_EARLY_PORTING

/* I2S1 gpio set */
#ifdef CONFIG_OF
	AudDrv_GPIO_I2S_Select(true);
#else
	mt_set_gpio_mode(GPIO_I2S1_CK_PIN, GPIO_MODE_01);
	mt_set_gpio_mode(GPIO_I2S1_DAT_PIN, GPIO_MODE_01);
	mt_set_gpio_mode(GPIO_I2S1_MCLK_PIN, GPIO_MODE_01);
	mt_set_gpio_mode(GPIO_I2S1_WS_PIN, GPIO_MODE_01);
#endif

#endif
}

static void Auddrv_I2S1GpioReset(void)
{

#ifndef CONFIG_FPGA_EARLY_PORTING

#ifdef CONFIG_OF
	AudDrv_GPIO_I2S_Select(false);
#else
	mt_set_gpio_mode(GPIO_I2S1_CK_PIN, GPIO_MODE_00);
	mt_set_gpio_mode(GPIO_I2S1_DAT_PIN, GPIO_MODE_00);
	mt_set_gpio_mode(GPIO_I2S1_MCLK_PIN, GPIO_MODE_00);
	mt_set_gpio_mode(GPIO_I2S1_WS_PIN, GPIO_MODE_00);
#endif

#endif
}

static int AudioDebug_Setting_Get(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
{
	pr_debug("%s()\n", __func__);
	return 0;
}

static int AudioI2S1_Setting_Set(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
{
	if (ucontrol->value.enumerated.item[0] >
	    ARRAY_SIZE(Audio_I2S1_Setting)) {
		pr_err("return -EINVAL\n");
		return -EINVAL;
	}
	AudioI2S1Setting = ucontrol->value.enumerated.item[0];
	if (AudioI2S1Setting == true)
		Auddrv_I2S1GpioSet();
	else
		Auddrv_I2S1GpioReset();
	return 0;
}

static int AudioI2S1_Setting_Get(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
{
	pr_debug("%s()\n", __func__);
	ucontrol->value.enumerated.item[0] = AudioI2S1Setting;
	return 0;
}

#if 0
static int Audio_ModemPcm_ASRC_Set(struct snd_kcontrol *kcontrol,
				   struct snd_ctl_elem_value *ucontrol)
{
	pr_debug("+%s()\n", __func__);
	if (ucontrol->value.enumerated.item[0] >
		ARRAY_SIZE(InterModemPcm_ASRC_Switch)) {
		pr_warn("return -EINVAL\n");
		return -EINVAL;
	}
	mModemPcm_ASRC_on = (bool) ucontrol->value.integer.value[0];
	Audio_ModemPcm2_ASRC_Set(mModemPcm_ASRC_on);
	pr_debug("-%s(), mModemPcm_ASRC_on=%d\n", __func__, mModemPcm_ASRC_on);
	return 0;
}
#endif

static int Audio_Ipoh_Setting_Get(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
{
	pr_debug("%s()\n", __func__);
	ucontrol->value.integer.value[0] = AudDrvSuspend_ipoh_Status;
	return 0;
}

static int Audio_Ipoh_Setting_Set(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
{
	if (ucontrol->value.enumerated.item[0] > ARRAY_SIZE(Audio_IPOH_State)) {
		pr_err("return -EINVAL\n");
		return -EINVAL;
	}
	AudDrvSuspend_ipoh_Status = ucontrol->value.integer.value[0];
	return 0;
}

static int Audio_Mode_Get(struct snd_kcontrol *kcontrol,
			  struct snd_ctl_elem_value *ucontrol)
{
	pr_debug("Audio_SideTone_Get = %d\n", mAudio_Mode);
	ucontrol->value.integer.value[0] = mAudio_Mode;
	return 0;
}

static int Audio_Mode_Set(struct snd_kcontrol *kcontrol,
			  struct snd_ctl_elem_value *ucontrol)
{

	if (ucontrol->value.enumerated.item[0] >
	    ARRAY_SIZE(ANDROID_AUDIO_MODE)) {
		pr_err("return -EINVAL\n");
		return -EINVAL;
	}
	mAudio_Mode = ucontrol->value.integer.value[0];
	return 0;
}

static int audio_dpd_get(struct snd_kcontrol *kcontrol,
			 struct snd_ctl_elem_value *ucontrol)
{
	pr_debug("%s()\n", __func__);
	ucontrol->value.integer.value[0] = audio_dpd_switch;
	return 0;
}

static int audio_dpd_set(struct snd_kcontrol *kcontrol,
			 struct snd_ctl_elem_value *ucontrol)
{
	int enable = ucontrol->value.integer.value[0];

	pr_debug("%s(), enable = %d\n", __func__, enable);
	if (ucontrol->value.enumerated.item[0] >
	    ARRAY_SIZE(Audio_Debug_Setting)) {
		pr_err("%s(), return -EINVAL\n", __func__);
		return -EINVAL;
	}

	if (get_afe_platform_ops()->set_dpd_module == NULL) {
		pr_warn("%s(), set_dpd_module not implement\n", __func__);
		return 0;
	}

	get_afe_platform_ops()->set_dpd_module(enable);
	audio_dpd_switch = enable;

	return 0;
}

#ifdef AUDIO_DL2_ISR_COPY_SUPPORT

static int Audio_DL2_DataTransfer(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
{
#ifdef CONFIG_COMPAT
	void *addr = compat_ptr(ucontrol->value.integer.value[0]);
#else
	void *addr = (void *)ucontrol->value.integer.value[0];
#endif

	unsigned int size = ucontrol->value.integer.value[1];


	mtk_dl2_copy2buffer(addr, size);
	return 0;
}
#endif

static int Audio_LowLatencyDebug_Get(struct snd_kcontrol *kcontrol,
				     struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.integer.value[0] = get_LowLatencyDebug();
	return 0;
}

static int Audio_LowLatencyDebug_Set(struct snd_kcontrol *kcontrol,
				     struct snd_ctl_elem_value *ucontrol)
{
	set_LowLatencyDebug(ucontrol->value.integer.value[0]);
	return 0;
}

static int Audio_AssignDRAM_Get(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol)
{
	pr_debug("%s()\n", __func__);
	ucontrol->value.integer.value[0] = 0;
	return 0;
}

static int Audio_AssignDRAM_Set(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol)
{
	unsigned int value = ucontrol->value.integer.value[0];

	pr_debug("%s(), meminterface %d\n", __func__, value);
	if (value < Soc_Aud_Digital_Block_NUM_OF_MEM_INTERFACE) {
		struct afe_mem_control_t *pMemControl = Get_Mem_ControlT(value);

		pMemControl->mAssignDRAM = true;
	}
	return 0;
}

static int spk_type_get(struct snd_kcontrol *kcontrol,
			struct snd_ctl_elem_value *ucontrol)
{
	int index = mtk_spk_get_type();

	pr_debug("speaker_amp_index_get = %d\n", index);
	ucontrol->value.integer.value[0] = index;
	return 0;
}

static const struct soc_enum spk_type_enum[] = {
	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_type_str), spk_type_str),
};

static const struct soc_enum Audio_Routing_Enum[] = {
	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(DAC_DL_SINEGEN), DAC_DL_SINEGEN),
	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(DAC_DL_SINEGEN_SAMEPLRATE),
			    DAC_DL_SINEGEN_SAMEPLRATE),
	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(DAC_DL_SINEGEN_AMPLITUE),
			    DAC_DL_SINEGEN_AMPLITUE),
	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(ENABLESTF), ENABLESTF),
	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(ANDROID_AUDIO_MODE), ANDROID_AUDIO_MODE),
	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(InterModemPcm_ASRC_Switch),
			    InterModemPcm_ASRC_Switch),
	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(Audio_Debug_Setting),
			    Audio_Debug_Setting),
	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(Audio_IPOH_State), Audio_IPOH_State),
	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(Audio_I2S1_Setting), Audio_I2S1_Setting),
	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_type_str), spk_type_str),
};

static const struct snd_kcontrol_new Audio_snd_routing_controls[] = {
	SOC_ENUM_EXT("Audio_SineGen_Switch", Audio_Routing_Enum[0],
		     Audio_SineGen_Get, Audio_SineGen_Set),
	SOC_ENUM_EXT("Audio_SineGen_SampleRate", Audio_Routing_Enum[1],
		     Audio_SineGen_SampleRate_Get,
		     Audio_SineGen_SampleRate_Set),
	SOC_ENUM_EXT("Audio_SineGen_Amplitude", Audio_Routing_Enum[2],
		     Audio_SineGen_Amplitude_Get, Audio_SineGen_Amplitude_Set),
	SOC_ENUM_EXT("Audio_Sidetone_Switch", Audio_Routing_Enum[3],
		     Audio_STF_Get, Audio_STF_Set),
	SOC_SINGLE_EXT("Sidetone_Gain", SND_SOC_NOPM, 0, 0x7fff, 0,
		       stf_gain_get, stf_gain_set),
	SOC_SINGLE_EXT("Sidetone_Positive_Gain_dB", SND_SOC_NOPM, 0, 100, 0,
		       stf_positive_gain_get, stf_positive_gain_set),
	SOC_ENUM_EXT("Audio_Mode_Switch", Audio_Routing_Enum[4], Audio_Mode_Get,
		     Audio_Mode_Set),
	SOC_ENUM_EXT("Audio_Debug_Setting", Audio_Routing_Enum[6],
		     AudioDebug_Setting_Get, AudioDebug_Setting_Set),
	SOC_ENUM_EXT("Audio_Ipoh_Setting", Audio_Routing_Enum[7],
		     Audio_Ipoh_Setting_Get, Audio_Ipoh_Setting_Set),
	SOC_ENUM_EXT("Audio_I2S1_Setting", Audio_Routing_Enum[8],
		     AudioI2S1_Setting_Get, AudioI2S1_Setting_Set),
#ifdef AUDIO_DL2_ISR_COPY_SUPPORT
	SOC_DOUBLE_EXT("Audio_DL2_DataTransfer", SND_SOC_NOPM, 0, 1, 65536, 0,
		       NULL, Audio_DL2_DataTransfer),
#endif
	SOC_SINGLE_EXT("Audio_LowLatency_Debug", SND_SOC_NOPM, 0, 0x20000, 0,
		       Audio_LowLatencyDebug_Get, Audio_LowLatencyDebug_Set),
	SOC_ENUM_EXT("Audio_DPD_Switch", Audio_Routing_Enum[6], audio_dpd_get,
		     audio_dpd_set),
	SOC_SINGLE_EXT("Audio_Assign_DRAM", SND_SOC_NOPM, 0, 0x20000, 0,
		       Audio_AssignDRAM_Get, Audio_AssignDRAM_Set),
	SOC_ENUM_EXT("MTK_SPK_TYPE_GET",
		     Audio_Routing_Enum[9], spk_type_get, NULL),
};

void EnAble_Anc_Path(int state)
{

	pr_debug("%s not supported in 6752!!!\n ", __func__);
}

static int m_Anc_State = AUDIO_ANC_ON;
static int Afe_Anc_Get(struct snd_kcontrol *kcontrol,
		       struct snd_ctl_elem_value *ucontrol)
{
	pr_debug("%s()\n", __func__);
	ucontrol->value.integer.value[0] = m_Anc_State;
	return 0;
}

static int Afe_Anc_Set(struct snd_kcontrol *kcontrol,
		       struct snd_ctl_elem_value *ucontrol)
{
	EnAble_Anc_Path(ucontrol->value.integer.value[0]);
	m_Anc_State = ucontrol->value.integer.value[0];
	return 0;
}

/* here start uplink power function */
static const char *const Afe_Anc_function[] = {"ANCON", "ANCOFF"};

static const struct soc_enum Afe_Anc_Enum[] = {
	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(Afe_Anc_function), Afe_Anc_function),
};

static const struct snd_kcontrol_new Afe_Anc_controls[] = {
	SOC_ENUM_EXT("Pmic_Anc_Switch", Afe_Anc_Enum[0], Afe_Anc_Get,
		     Afe_Anc_Set),
};

static struct snd_pcm_hw_constraint_list constraints_sample_rates = {
	.count = ARRAY_SIZE(soc_high_supported_sample_rates),
	.list = soc_high_supported_sample_rates,
	.mask = 0,
};

static int mtk_routing_pcm_open(struct snd_pcm_substream *substream)
{
	struct snd_pcm_runtime *runtime = substream->runtime;
	int ret = 0;

	pr_debug("mtk_routing_pcm_open\n");

	ret = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
					 &constraints_sample_rates);

	/* print for hw pcm information */
	pr_debug("mtk_routing_pcm_open runtime rate = %d channels = %d\n",
		runtime->rate, runtime->channels);
	if (substream->pcm->device & 1) {
		runtime->hw.info &= ~SNDRV_PCM_INFO_INTERLEAVED;
		runtime->hw.info |= SNDRV_PCM_INFO_NONINTERLEAVED;
	}
	if (substream->pcm->device & 2)
		runtime->hw.info &=
			~(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID);

	if (ret < 0) {
		pr_debug("mtk_routing_pcm_close\n");
		mtk_routing_pcm_close(substream);
		return ret;
	}
	pr_debug("mtk_routing_pcm_open return\n");
	return 0;
}

static int mtk_routing_pcm_close(struct snd_pcm_substream *substream)
{
	return 0;
}

static int mtk_routing_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
{
	pr_debug("%s cmd = %d\n", __func__, cmd);
	switch (cmd) {
	case SNDRV_PCM_TRIGGER_START:
	case SNDRV_PCM_TRIGGER_RESUME:
	case SNDRV_PCM_TRIGGER_STOP:
	case SNDRV_PCM_TRIGGER_SUSPEND:
		break;
	}
	return -EINVAL;
}

static int mtk_routing_pcm_copy(struct snd_pcm_substream *substream,
				int channel,
				unsigned long pos,
				void __user *buf,
				unsigned long bytes)
{
	return 0;
}

static int mtk_routing_pcm_silence(struct snd_pcm_substream *substream,
				   int channel,
				   unsigned long pos,
				   unsigned long bytes)
{
	return 0; /* do nothing */
}

static void *dummy_page[2];

static struct page *mtk_routing_pcm_page(struct snd_pcm_substream *substream,
					 unsigned long offset)
{
	return virt_to_page(dummy_page[substream->stream]); /* the same page */
}

static int mtk_routing_pcm_prepare(struct snd_pcm_substream *substream)
{
	pr_debug("mtk_alsa_prepare\n");
	return 0;
}

static int mtk_routing_pcm_hw_params(struct snd_pcm_substream *substream,
				     struct snd_pcm_hw_params *hw_params)
{
	int ret = 0;

	pr_debug("mtk_routing_pcm_hw_params\n");
	return ret;
}

static int mtk_routing_pcm_hw_free(struct snd_pcm_substream *substream)
{
	pr_debug("mtk_routing_pcm_hw_free\n");
	return snd_pcm_lib_free_pages(substream);
}

static struct snd_pcm_ops mtk_afe_ops = {
	.open = mtk_routing_pcm_open,
	.close = mtk_routing_pcm_close,
	.ioctl = snd_pcm_lib_ioctl,
	.hw_params = mtk_routing_pcm_hw_params,
	.hw_free = mtk_routing_pcm_hw_free,
	.prepare = mtk_routing_pcm_prepare,
	.trigger = mtk_routing_pcm_trigger,
	.copy_user = mtk_routing_pcm_copy,
	.fill_silence = mtk_routing_pcm_silence,
	.page = mtk_routing_pcm_page,
};

static struct snd_soc_component_driver mtk_soc_routing_component = {
	.name = AFE_PCM_NAME,
	.ops = &mtk_afe_ops,
	.probe = mtk_afe_routing_component_probe,
};

static int mtk_afe_routing_probe(struct platform_device *pdev)
{
	pr_debug("%s\n", __func__);

	pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
	if (!pdev->dev.dma_mask)
		pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask;

	if (pdev->dev.of_node)
		dev_set_name(&pdev->dev, "%s", MT_SOC_ROUTING_PCM);
	pdev->name = pdev->dev.kobj.name;

	pr_debug("%s: dev name %s\n", __func__, dev_name(&pdev->dev));
	return snd_soc_register_component(&pdev->dev,
					  &mtk_soc_routing_component,
					  NULL,
					  0);
}

static int mtk_afe_routing_component_probe(struct snd_soc_component *component)
{
	pr_debug("%s\n", __func__);

	/* add  controls */
	snd_soc_add_component_controls(component, Audio_snd_routing_controls,
				      ARRAY_SIZE(Audio_snd_routing_controls));
	snd_soc_add_component_controls(component, Afe_Anc_controls,
				      ARRAY_SIZE(Afe_Anc_controls));
	/*Auddrv_Devtree_Init();*/
	return 0;
}

static int mtk_afe_routing_remove(struct platform_device *pdev)
{
	pr_debug("%s\n", __func__);
	snd_soc_unregister_component(&pdev->dev);
	return 0;
}

/* supend and resume function */
static int mtk_routing_pm_ops_suspend(struct device *device)
{
	pr_debug("%s\n", __func__);

	if (get_voice_status() || get_voice_md2_status() ||
#ifdef _NON_COMMON_FEATURE_READY
	    get_voice_ultra_status() ||
#endif
	    get_voice_usb_status())
		return 0;

	if (AudDrvSuspendStatus == false) {
		/*BackUp_Audio_Register();*/ /* KC: no use */
		if (ConditionEnterSuspend() == true) {
			SetAnalogSuspend(true);
			/* clkmux_sel(MT_MUX_AUDINTBUS, 0, "AUDIO");
			 * select
			 * 26M
			 */
			/* AudDrv_Suspend_Clk_Off(); */
			/* Pull high for 6757p LPDDR3 low power */
			handle_suspend(true);
		}
		AudDrvSuspendStatus = true;
	}
	return 0;
}

static int mtk_pm_ops_suspend_ipo(struct device *device)
{
	pr_debug("%s", __func__);
	AudDrvSuspend_ipoh_Status = true;
	return mtk_routing_pm_ops_suspend(device);
}

static int mtk_routing_pm_ops_resume(struct device *device)
{
	pr_debug("%s\n ", __func__);
	if (AudDrvSuspendStatus == true) {
		/* AudDrv_Suspend_Clk_On(); */
		if (ConditionEnterSuspend() == true) {
			/*Restore_Audio_Register();*/ /* KC: no use */
			SetAnalogSuspend(false);
			/* Pull high for 6757p LPDDR3 low power */
			handle_suspend(false);
		}
		AudDrvSuspendStatus = false;
	}
	return 0;
}

static int mtk_pm_ops_resume_ipo(struct device *device)
{
	pr_debug("%s", __func__);
	return mtk_routing_pm_ops_resume(device);
}

const struct dev_pm_ops mtk_routing_pm_ops = {
	.suspend = mtk_routing_pm_ops_suspend,
	.resume = mtk_routing_pm_ops_resume,
	.freeze = mtk_pm_ops_suspend_ipo,
	.thaw = mtk_pm_ops_suspend_ipo,
	.poweroff = mtk_pm_ops_suspend_ipo,
	.restore = mtk_pm_ops_resume_ipo,
	.restore_noirq = mtk_pm_ops_resume_ipo,
};

#ifdef CONFIG_OF
static const struct of_device_id mt_soc_pcm_routing_of_ids[] = {
	{
		.compatible = "mediatek,mt_soc_pcm_routing",
	},
	{} };
#endif

static struct platform_driver mtk_afe_routing_driver = {
	.driver = {

			.name = MT_SOC_ROUTING_PCM,
			.owner = THIS_MODULE,
#ifdef CONFIG_OF
			.of_match_table = mt_soc_pcm_routing_of_ids,
#endif
#ifdef CONFIG_PM
			.pm = &mtk_routing_pm_ops,
#endif
		},
	.probe = mtk_afe_routing_probe,
	.remove = mtk_afe_routing_remove,
};

static int soc_fb_notifier_callback(struct notifier_block *self,
				    unsigned long event, void *data)
{
	struct fb_event *evdata = data;
	int blank;

	if (event != FB_EVENT_BLANK)
		return 0;

	blank = *(int *)evdata->data;
	switch (blank) {
	case FB_BLANK_UNBLANK:
		set_screen_state(true);
		break;
	case FB_BLANK_POWERDOWN:
		set_screen_state(false);
		break;
	default:
		break;
	}

	return 0;
}

static struct notifier_block soc_fb_notif = {
	.notifier_call = soc_fb_notifier_callback,
};

#ifndef CONFIG_OF
static struct platform_device *soc_mtkafe_routing_dev;
#endif

static int __init mtk_soc_routing_platform_init(void)
{
	int ret = 0;

	pr_debug("%s\n", __func__);
#ifndef CONFIG_OF
	soc_mtkafe_routing_dev = platform_device_alloc(MT_SOC_ROUTING_PCM, -1);
	if (!soc_mtkafe_routing_dev)
		return -ENOMEM;

	ret = platform_device_add(soc_mtkafe_routing_dev);
	if (ret != 0) {
		platform_device_put(soc_mtkafe_routing_dev);
		return ret;
	}
#endif

	ret = platform_driver_register(&mtk_afe_routing_driver);

	ret = fb_register_client(&soc_fb_notif);
	if (ret)
		pr_err("FAILED TO REGISTER FB CLIENT (%d)\n", ret);

	return ret;
}
module_init(mtk_soc_routing_platform_init);

static void __exit mtk_soc_routing_platform_exit(void)
{

	platform_driver_unregister(&mtk_afe_routing_driver);
}
module_exit(mtk_soc_routing_platform_exit);

MODULE_DESCRIPTION("afe routing driver");
MODULE_LICENSE("GPL");