/*
 * Copyright (C) 2007 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/*******************************************************************************
 *
 * Filename:
 * ---------
 *   AudDrv_Clk.c
 *
 * Project:
 * --------
 *   MT6583  Audio Driver clock control implement
 *
 * Description:
 * ------------
 *   Audio register
 *
 * Author:
 * -------
 * Chipeng Chang (MTK02308)
 *
 *------------------------------------------------------------------------------
 *
 *
 *******************************************************************************/


/*****************************************************************************
 *                     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 <mach/mt_clkmgr.h>
/* #include <mach/mt_pm_ldo.h> */
#include <mt-plat/upmu_common.h>

/* #include <mach/upmu_common.h>
#include <mach/upmu_hw.h> */

#include "AudDrv_Common.h"
#include "AudDrv_Clk.h"
#include "AudDrv_Afe.h"
#include <linux/spinlock.h>
#include <linux/delay.h>
#include <mt_idle.h>

/*****************************************************************************
 *                         D A T A   T Y P E S
 *****************************************************************************/

int Aud_Core_Clk_cntr = 0;
int Aud_AFE_Clk_cntr = 0;
int Aud_I2S_Clk_cntr = 0;
int Aud_ADC_Clk_cntr = 0;
int Aud_ADC2_Clk_cntr = 0;
int Aud_ADC3_Clk_cntr = 0;
int Aud_ANA_Clk_cntr = 0;
int Aud_HDMI_Clk_cntr = 0;
int Aud_APLL22M_Clk_cntr = 0;
int Aud_APLL24M_Clk_cntr = 0;
int Aud_APLL1_Tuner_cntr = 0;
int Aud_APLL2_Tuner_cntr = 0;
static int Aud_EMI_cntr;

static DEFINE_SPINLOCK(auddrv_Clk_lock);

/* amp mutex lock */
static DEFINE_MUTEX(auddrv_pmic_mutex);
static DEFINE_MUTEX(audEMI_Clk_mutex);

void AudDrv_Clk_AllOn(void)
{
	unsigned long flags;

	pr_debug("AudDrv_Clk_AllOn\n");
	spin_lock_irqsave(&auddrv_Clk_lock, flags);
	Afe_Set_Reg(AUDIO_TOP_CON0, 0x00004000, 0xffffffff);
	spin_unlock_irqrestore(&auddrv_Clk_lock, flags);
}

void Auddrv_Bus_Init(void)
{
	unsigned long flags;

	pr_debug("%s\n", __func__);
	spin_lock_irqsave(&auddrv_Clk_lock, flags);
	Afe_Set_Reg(AUDIO_TOP_CON0, 0x00004000, 0x00004000);	/* must set, system will default set bit14 to 0 */
	spin_unlock_irqrestore(&auddrv_Clk_lock, flags);
}

/*****************************************************************************
 * FUNCTION
 *  AudDrv_Clk_Power_On / AudDrv_Clk_Power_Off
 *
 * DESCRIPTION
 *  Power on this function , then all register can be access and  set.
 *
 *****************************************************************************
 */

void AudDrv_Clk_Power_On(void)
{
}

void AudDrv_Clk_Power_Off(void)
{
}


/*****************************************************************************
 * FUNCTION
 *  AudDrv_Clk_On / AudDrv_Clk_Off
 *
 * DESCRIPTION
 *  Enable/Disable PLL(26M clock) \ AFE clock
 *
 *****************************************************************************
 */
void AudDrv_Clk_On(void)
{
	unsigned long flags;

	PRINTK_AUD_CLK("+AudDrv_Clk_On, Aud_AFE_Clk_cntr:%d\n", Aud_AFE_Clk_cntr);
	spin_lock_irqsave(&auddrv_Clk_lock, flags);
	if (Aud_AFE_Clk_cntr == 0) {
		/* pr_debug("-----------AudDrv_Clk_On, Aud_AFE_Clk_cntr:%d\n", Aud_AFE_Clk_cntr); */
#ifdef PM_MANAGER_API

		/* for Infra power */
		if (enable_clock(MT_CG_AUDIO_SW_CG, "AUDIO"))
			pr_err("Aud enable_clock MT_CG_AUDIO_SW_CG fail !!!\n");
		/* pr_warn("is MT_CG_AUDIO_SW_CG on:%x, AUDIO_TOP_CON0=%x\n",clock_is_on(MT_CG_AUDIO_SW_CG),
			Afe_Get_Reg(AUDIO_TOP_CON0)); */

		if (enable_clock(MT_CG_AUD_PDN_AFE_EN, "AUDIO"))
			pr_err("Aud enable_clock MT_CG_AUD_PDN_AFE_EN fail !!!\n");
		/* pr_warn("is MT_CG_AUD_PDN_AFE_EN on:%x, AUDIO_TOP_CON0=%x\n",clock_is_on(MT_CG_AUD_PDN_AFE_EN),
			Afe_Get_Reg(AUDIO_TOP_CON0)); */

		if (enable_clock(MT_CG_AUD_PDN_DAC_EN, "AUDIO"))
			pr_err("Aud enable_clock MT_CG_AUD_PDN_DAC_EN fail !!!\n");
		/* pr_warn("is MT_CG_AUD_PDN_DAC_EN on:%x, AUDIO_TOP_CON0=%x\n",clock_is_on(MT_CG_AUD_PDN_DAC_EN),
			Afe_Get_Reg(AUDIO_TOP_CON0)); */

		PRINTK_AUD_CLK("AudDrv_Clk_On, in  PM_MANAGER_API\n");
		Afe_Set_Reg(AUDIO_TOP_CON0, 0x60004000, 0x60004000);	/* for bringup test, need to modify */
		PRINTK_AUD_CLK("AudDrv_Clk_On done, AUDIO_TOP_CON0=%x\n", Afe_Get_Reg(AUDIO_TOP_CON0));
#else
#if 0				/* no need */
		SetInfraCfg(AUDIO_CG_CLR, 0x2000000, 0x2000000);
		/* bit 25=0, without 133m master and 66m slave bus clock cg gating */
#endif
		Afe_Set_Reg(AUDIO_TOP_CON0, 0x4000, 0x06004044);
		PRINTK_AUD_CLK("AudDrv_Clk_On, not in PM_MANAGER_API\n");
		Afe_Set_Reg(AUDIO_TOP_CON0, 0x60004000, 0x60004000);
#endif
	}
	Aud_AFE_Clk_cntr++;
	spin_unlock_irqrestore(&auddrv_Clk_lock, flags);
	PRINTK_AUD_CLK("-AudDrv_Clk_On, Aud_AFE_Clk_cntr:%d\n", Aud_AFE_Clk_cntr);
}
/* export symbol for other module use */
EXPORT_SYMBOL(AudDrv_Clk_On);

void AudDrv_Clk_Off(void)
{
	unsigned long flags;

	PRINTK_AUD_CLK("+!! AudDrv_Clk_Off, Aud_AFE_Clk_cntr:%d\n", Aud_AFE_Clk_cntr);
	spin_lock_irqsave(&auddrv_Clk_lock, flags);

	Aud_AFE_Clk_cntr--;
	if (Aud_AFE_Clk_cntr == 0) {
		PRINTK_AUD_CLK("------------AudDrv_Clk_Off, Aud_AFE_Clk_cntr:%d\n", Aud_AFE_Clk_cntr);
		{
			/* Disable AFE clock */
#ifdef PM_MANAGER_API
			if (disable_clock(MT_CG_AUD_PDN_AFE_EN, "AUDIO"))
				pr_err("disable_clock MT_CG_AUD_PDN_AFE_EN fail");
			/* pr_warn("AudDrv_Clk_Off is MT_CG_AUD_PDN_AFE_EN on:%x, AUDIO_TOP_CON0=%x\n",
				clock_is_on(MT_CG_AUD_PDN_AFE_EN),Afe_Get_Reg(AUDIO_TOP_CON0)); */

			if (disable_clock(MT_CG_AUD_PDN_DAC_EN, "AUDIO"))
				pr_err("disable_clock MT_CG_AUD_PDN_DAC_EN fail");
			/* pr_warn("AudDrv_Clk_Off is MT_CG_AUD_PDN_DAC_EN on:%x, AUDIO_TOP_CON0=%x\n",
				clock_is_on(MT_CG_AUD_PDN_DAC_EN),Afe_Get_Reg(AUDIO_TOP_CON0)); */
			/* for Infra power */
			if (disable_clock(MT_CG_AUDIO_SW_CG, "AUDIO"))
				pr_err("disable_clock MT_CG_AUDIO_SW_CG fail !!!\n");
			/* pr_warn("AudDrv_Clk_Off is MT_CG_AUDIO_SW_CG on:%x, AUDIO_TOP_CON0=%x\n",
				clock_is_on(MT_CG_AUDIO_SW_CG),Afe_Get_Reg(AUDIO_TOP_CON0)); */

			PRINTK_AUD_CLK("AudDrv_Clk_Off, in PM_MANAGER_API\n");
			Afe_Set_Reg(AUDIO_TOP_CON0, 0x80004000, 0xf0004000);	/* for bringup test, need to modify */
#else
			Afe_Set_Reg(AUDIO_TOP_CON0, 0x06000044, 0x06000044);
#if 0				/* no need */
			SetInfraCfg(AUDIO_CG_SET, 0x2000000, 0x2000000);
			/* bit25=1, with 133m mastesr and 66m slave bus clock cg gating */
#endif
#endif
		}
	} else if (Aud_AFE_Clk_cntr < 0) {
		PRINTK_AUD_ERROR("!! AudDrv_Clk_Off, Aud_AFE_Clk_cntr<0 (%d)\n", Aud_AFE_Clk_cntr);
		AUDIO_ASSERT(true);
		Aud_AFE_Clk_cntr = 0;
	}
	PRINTK_AUD_CLK("-!! AudDrv_Clk_Off, Aud_AFE_Clk_cntr:%d\n", Aud_AFE_Clk_cntr);
	spin_unlock_irqrestore(&auddrv_Clk_lock, flags);
}
/* export symbol for other module use */
EXPORT_SYMBOL(AudDrv_Clk_Off);

/*****************************************************************************
 * FUNCTION
 *  AudDrv_ANA_Clk_On / AudDrv_ANA_Clk_Off
 *
 * DESCRIPTION
 *  Enable/Disable analog part clock
 *
 *****************************************************************************/
void AudDrv_ANA_Clk_On(void)
{
	mutex_lock(&auddrv_pmic_mutex);
	if (Aud_ANA_Clk_cntr == 0)
		PRINTK_AUD_CLK("+AudDrv_ANA_Clk_On, Aud_ANA_Clk_cntr:%d\n", Aud_ANA_Clk_cntr);

	Aud_ANA_Clk_cntr++;
	mutex_unlock(&auddrv_pmic_mutex);
	/* PRINTK_AUD_CLK("-AudDrv_ANA_Clk_Off, Aud_ANA_Clk_cntr:%d\n",Aud_ANA_Clk_cntr); */
}
/* export symbol for other module use */
EXPORT_SYMBOL(AudDrv_ANA_Clk_On);

void AudDrv_ANA_Clk_Off(void)
{
	/* PRINTK_AUD_CLK("+AudDrv_ANA_Clk_Off, Aud_ANA_Clk_cntr:%d\n",  Aud_ANA_Clk_cntr); */
	mutex_lock(&auddrv_pmic_mutex);
	Aud_ANA_Clk_cntr--;
	if (Aud_ANA_Clk_cntr == 0) {
		PRINTK_AUD_CLK("+AudDrv_ANA_Clk_Off disable_clock Ana clk(%x)\n", Aud_ANA_Clk_cntr);
		/* Disable ADC clock */
#ifdef PM_MANAGER_API

#else
		/* TODO:: open ADC clock.... */
#endif
	} else if (Aud_ANA_Clk_cntr < 0) {
		PRINTK_AUD_ERROR("!! AudDrv_ANA_Clk_Off, Aud_ANA_Clk_cntr<0 (%d)\n",
				 Aud_ANA_Clk_cntr);
		AUDIO_ASSERT(true);
		Aud_ANA_Clk_cntr = 0;
	}
	mutex_unlock(&auddrv_pmic_mutex);
	/* PRINTK_AUD_CLK("-AudDrv_ANA_Clk_Off, Aud_ANA_Clk_cntr:%d\n", Aud_ANA_Clk_cntr); */
}
/* export symbol for other module use */
EXPORT_SYMBOL(AudDrv_ANA_Clk_Off);

/*****************************************************************************
 * FUNCTION
  *  AudDrv_ADC_Clk_On / AudDrv_ADC_Clk_Off
  *
  * DESCRIPTION
  *  Enable/Disable analog part clock
  *
  *****************************************************************************/
void AudDrv_ADC_Clk_On(void)
{
	/* PRINTK_AUDDRV("+AudDrv_ADC_Clk_On, Aud_ADC_Clk_cntr:%d\n", Aud_ADC_Clk_cntr); */
	mutex_lock(&auddrv_pmic_mutex);

	if (Aud_ADC_Clk_cntr == 0) {
		PRINTK_AUD_CLK("+AudDrv_ADC_Clk_On enable_clock ADC clk(%x), AUDIO_TOP_CON0=%x\n",
			       Aud_ADC_Clk_cntr, Afe_Get_Reg(AUDIO_TOP_CON0));
#ifdef PM_MANAGER_API
		if (enable_clock(MT_CG_AUD_PDN_ADC_EN, "AUDIO"))
			pr_err("Aud enable_clock MT_CG_AUD_PDN_ADC_EN fail !!!\n");
		/* printk("is MT_CG_AUD_PDN_ADC_EN on:%x, AUDIO_TOP_CON0=%x\n",
			clock_is_on(MT_CG_AUD_PDN_ADC_EN),Afe_Get_Reg(AUDIO_TOP_CON0)); */
#else
		Afe_Set_Reg(AUDIO_TOP_CON0, 0 << 24, 1 << 24);
#endif
	}
	Aud_ADC_Clk_cntr++;
	mutex_unlock(&auddrv_pmic_mutex);
}

void AudDrv_ADC_Clk_Off(void)
{
	/* PRINTK_AUDDRV("+AudDrv_ADC_Clk_Off, Aud_ADC_Clk_cntr:%d\n", Aud_ADC_Clk_cntr); */
	mutex_lock(&auddrv_pmic_mutex);
	Aud_ADC_Clk_cntr--;
	if (Aud_ADC_Clk_cntr == 0) {
		PRINTK_AUD_CLK("+AudDrv_ADC_Clk_On disable_clock ADC clk(%x), AUDIO_TOP_CON0=%x\n",
			       Aud_ADC_Clk_cntr, Afe_Get_Reg(AUDIO_TOP_CON0));
#ifdef PM_MANAGER_API
		if (disable_clock(MT_CG_AUD_PDN_ADC_EN, "AUDIO"))
			pr_err("disable_clock MT_CG_AUD_PDN_ADC_EN fail");
		/* printk("AudDrv_ADC_Clk_Off is MT_CG_AUD_PDN_ADC_EN on:%x, AUDIO_TOP_CON0=%x\n",
			clock_is_on(MT_CG_AUD_PDN_ADC_EN),Afe_Get_Reg(AUDIO_TOP_CON0)); */
#else
		Afe_Set_Reg(AUDIO_TOP_CON0, 1 << 24, 1 << 24);
#endif
	}
	if (Aud_ADC_Clk_cntr < 0) {
		PRINTK_AUDDRV("!! AudDrv_ADC_Clk_Off, Aud_ADC_Clk_cntr<0 (%d)\n", Aud_ADC_Clk_cntr);
		Aud_ADC_Clk_cntr = 0;
	}
	mutex_unlock(&auddrv_pmic_mutex);
	/* PRINTK_AUDDRV("-AudDrv_ADC_Clk_Off, Aud_ADC_Clk_cntr:%d\n", Aud_ADC_Clk_cntr); */
}

/*****************************************************************************
 * FUNCTION
  *  AudDrv_ADC2_Clk_On / AudDrv_ADC2_Clk_Off
  *
  * DESCRIPTION
  *  Enable/Disable clock
  *
  *****************************************************************************/

void AudDrv_ADC2_Clk_On(void)
{
	PRINTK_AUD_CLK("+%s %d\n", __func__, Aud_ADC2_Clk_cntr);
	mutex_lock(&auddrv_pmic_mutex);

	if (Aud_ADC2_Clk_cntr == 0) {
		PRINTK_AUDDRV("+%s  enable_clock ADC clk(%x)\n", __func__, Aud_ADC2_Clk_cntr);
#if 0
#ifdef PM_MANAGER_API
		if (enable_clock(MT_CG_AUDIO_ADDA2, "AUDIO"))
			PRINTK_AUD_CLK("%s fail", __func__);
#else
		Afe_Set_Reg(AUDIO_TOP_CON0, 0 << 23, 1 << 23);
		/* temp hard code setting, after confirm with enable clock usage, this could be removed. */
#endif
#endif
	}
	Aud_ADC2_Clk_cntr++;
	mutex_unlock(&auddrv_pmic_mutex);
}

void AudDrv_ADC2_Clk_Off(void)
{
	/* PRINTK_AUDDRV("+%s %d\n", __func__,Aud_ADC2_Clk_cntr); */
	mutex_lock(&auddrv_pmic_mutex);
	Aud_ADC2_Clk_cntr--;
	if (Aud_ADC2_Clk_cntr == 0) {
		PRINTK_AUDDRV("+%s disable_clock ADC clk(%x)\n", __func__, Aud_ADC2_Clk_cntr);
#if 0
#ifdef PM_MANAGER_API
		if (disable_clock(MT_CG_AUDIO_ADDA2, "AUDIO"))
			PRINTK_AUD_CLK("%s fail", __func__);
#else
		Afe_Set_Reg(AUDIO_TOP_CON0, 1 << 23, 1 << 23);
		/* temp hard code setting, after confirm with enable clock usage, this could be removed. */
#endif
#endif
	}
	if (Aud_ADC2_Clk_cntr < 0) {
		PRINTK_AUDDRV("%s  <0 (%d)\n", __func__, Aud_ADC2_Clk_cntr);
		Aud_ADC2_Clk_cntr = 0;
	}
	mutex_unlock(&auddrv_pmic_mutex);
	/* PRINTK_AUDDRV("-AudDrv_ADC_Clk_Off, Aud_ADC2_Clk_cntr:%d\n", Aud_ADC2_Clk_cntr); */
}


/*****************************************************************************
 * FUNCTION
  *  AudDrv_ADC3_Clk_On / AudDrv_ADC3_Clk_Off
  *
  * DESCRIPTION
  *  Enable/Disable clock
  *
  *****************************************************************************/

void AudDrv_ADC3_Clk_On(void)
{
	PRINTK_AUD_CLK("+%s %d\n", __func__, Aud_ADC3_Clk_cntr);
	mutex_lock(&auddrv_pmic_mutex);

	if (Aud_ADC3_Clk_cntr == 0) {
		PRINTK_AUDDRV("+%s  enable_clock ADC clk(%x)\n", __func__, Aud_ADC3_Clk_cntr);
#if 0
#ifdef PM_MANAGER_API
		if (enable_clock(MT_CG_AUDIO_ADDA3, "AUDIO"))
			PRINTK_AUD_CLK("%s fail", __func__);
#endif
#endif
	}
	Aud_ADC2_Clk_cntr++;
	mutex_unlock(&auddrv_pmic_mutex);
}

void AudDrv_ADC3_Clk_Off(void)
{
	/* PRINTK_AUDDRV("+%s %d\n", __func__,Aud_ADC2_Clk_cntr); */
	mutex_lock(&auddrv_pmic_mutex);
	Aud_ADC3_Clk_cntr--;
	if (Aud_ADC3_Clk_cntr == 0) {
		PRINTK_AUDDRV("+%s disable_clock ADC clk(%x)\n", __func__, Aud_ADC3_Clk_cntr);
#if 0
#ifdef PM_MANAGER_API
		if (disable_clock(MT_CG_AUDIO_ADDA3, "AUDIO"))
			PRINTK_AUD_CLK("%s fail", __func__);
#endif
#endif
	}
	if (Aud_ADC3_Clk_cntr < 0) {
		PRINTK_AUDDRV("%s  <0 (%d)\n", __func__, Aud_ADC3_Clk_cntr);
		Aud_ADC3_Clk_cntr = 0;
	}
	mutex_unlock(&auddrv_pmic_mutex);
	/* PRINTK_AUDDRV("-AudDrv_ADC_Clk_Off, Aud_ADC3_Clk_cntr:%d\n", Aud_ADC3_Clk_cntr); */
}


/*****************************************************************************
 * FUNCTION
  *  AudDrv_APLL22M_Clk_On / AudDrv_APLL22M_Clk_Off
  *
  * DESCRIPTION
  *  Enable/Disable clock
  *
  *****************************************************************************/

void AudDrv_APLL22M_Clk_On(void)
{
#if 0
	PRINTK_AUD_CLK("+%s %d\n", __func__, Aud_APLL22M_Clk_cntr);
	mutex_lock(&auddrv_pmic_mutex);

	if (Aud_APLL22M_Clk_cntr == 0) {
		PRINTK_AUDDRV("+%s  enable_clock ADC clk(%x)\n", __func__, Aud_APLL22M_Clk_cntr);
#ifdef PM_MANAGER_API
		enable_mux(MT_MUX_AUD1, "AUDIO");
		clkmux_sel(MT_MUX_AUD1, 1, "AUDIO");	/* select APLL1 */

		if (enable_clock(MT_CG_AUDIO_22M, "AUDIO"))
			PRINTK_AUD_CLK("%s fail", __func__);

		if (enable_clock(MT_CG_AUDIO_APLL_TUNER, "AUDIO"))
			PRINTK_AUD_CLK("%s fail", __func__);
#endif
	}
	Aud_APLL22M_Clk_cntr++;
	mutex_unlock(&auddrv_pmic_mutex);
#endif
}

void AudDrv_APLL22M_Clk_Off(void)
{
#if 0
	mutex_lock(&auddrv_pmic_mutex);
	Aud_APLL22M_Clk_cntr--;
	if (Aud_APLL22M_Clk_cntr == 0) {
		PRINTK_AUDDRV("+%s disable_clock ADC clk(%x)\n", __func__, Aud_APLL22M_Clk_cntr);
#ifdef PM_MANAGER_API
		if (disable_clock(MT_CG_AUDIO_22M, "AUDIO"))
			PRINTK_AUD_CLK("%s fail", __func__);

		if (disable_clock(MT_CG_AUDIO_APLL_TUNER, "AUDIO"))
			PRINTK_AUD_CLK("%s fail", __func__);

		clkmux_sel(MT_MUX_AUD1, 0, "AUDIO");	/* select 26M */
		disable_mux(MT_MUX_AUD1, "AUDIO");
#endif
	}
	if (Aud_APLL22M_Clk_cntr < 0) {
		PRINTK_AUDDRV("%s  <0 (%d)\n", __func__, Aud_APLL22M_Clk_cntr);
		Aud_APLL22M_Clk_cntr = 0;
	}
	mutex_unlock(&auddrv_pmic_mutex);
#endif
}


/*****************************************************************************
 * FUNCTION
  *  AudDrv_APLL24M_Clk_On / AudDrv_APLL24M_Clk_Off
  *
  * DESCRIPTION
  *  Enable/Disable clock
  *
  *****************************************************************************/

void AudDrv_APLL24M_Clk_On(void)
{
#if 0
	PRINTK_AUD_CLK("+%s %d\n", __func__, Aud_APLL24M_Clk_cntr);
	mutex_lock(&auddrv_pmic_mutex);
	if (Aud_APLL24M_Clk_cntr == 0) {
		PRINTK_AUDDRV("+%s  enable_clock ADC clk(%x)\n", __func__, Aud_APLL24M_Clk_cntr);
#ifdef PM_MANAGER_API
		enable_mux(MT_MUX_AUD2, "AUDIO");
		clkmux_sel(MT_MUX_AUD2, 1, "AUDIO");	/* APLL2 */
		if (enable_clock(MT_CG_AUDIO_24M, "AUDIO"))
			PRINTK_AUD_CLK("%s fail", __func__);

		if (enable_clock(MT_CG_AUDIO_APLL2_TUNER, "AUDIO"))
			PRINTK_AUD_CLK("%s fail", __func__);
#endif
	}
	Aud_APLL24M_Clk_cntr++;
	mutex_unlock(&auddrv_pmic_mutex);
#endif
}

void AudDrv_APLL24M_Clk_Off(void)
{
#if 0
	mutex_lock(&auddrv_pmic_mutex);
	Aud_APLL24M_Clk_cntr--;
	if (Aud_APLL24M_Clk_cntr == 0) {
		PRINTK_AUDDRV("+%s disable_clock ADC clk(%x)\n", __func__, Aud_APLL24M_Clk_cntr);
#ifdef PM_MANAGER_API
		if (disable_clock(MT_CG_AUDIO_24M, "AUDIO"))
			PRINTK_AUD_CLK("%s fail", __func__);

		if (disable_clock(MT_CG_AUDIO_APLL2_TUNER, "AUDIO"))
			PRINTK_AUD_CLK("%s fail", __func__);

		clkmux_sel(MT_MUX_AUD2, 0, "AUDIO");	/* select 26M */
		disable_mux(MT_MUX_AUD2, "AUDIO");
#endif
	}
	if (Aud_APLL24M_Clk_cntr < 0) {
		PRINTK_AUDDRV("%s  <0 (%d)\n", __func__, Aud_APLL24M_Clk_cntr);
		Aud_APLL24M_Clk_cntr = 0;
	}
	mutex_unlock(&auddrv_pmic_mutex);
#endif
}


/*****************************************************************************
  * FUNCTION
  *  AudDrv_I2S_Clk_On / AudDrv_I2S_Clk_Off
  *
  * DESCRIPTION
  *  Enable/Disable analog part clock
  *
  *****************************************************************************/
void AudDrv_I2S_Clk_On(void)
{
	unsigned long flags;

	PRINTK_AUD_CLK("+AudDrv_I2S_Clk_On, Aud_I2S_Clk_cntr:%d\n", Aud_I2S_Clk_cntr);
	spin_lock_irqsave(&auddrv_Clk_lock, flags);
	if (Aud_I2S_Clk_cntr == 0) {
#ifdef PM_MANAGER_API
		if (enable_clock(MT_CG_AUD_PDN_I2S_EN, "AUDIO"))
			PRINTK_AUD_ERROR("Aud enable_clock MT_CG_AUD_PDN_I2S_EN fail !!!\n");
#else
		Afe_Set_Reg(AUDIO_TOP_CON0, 0x00000000, 0x00000040);	/* power on I2S clock */
#endif
	}
	Aud_I2S_Clk_cntr++;
	spin_unlock_irqrestore(&auddrv_Clk_lock, flags);
}
/* export symbol for other module use */
EXPORT_SYMBOL(AudDrv_I2S_Clk_On);

void AudDrv_I2S_Clk_Off(void)
{
	unsigned long flags;

	PRINTK_AUD_CLK("+AudDrv_I2S_Clk_Off, Aud_I2S_Clk_cntr:%d\n", Aud_I2S_Clk_cntr);
	spin_lock_irqsave(&auddrv_Clk_lock, flags);
	Aud_I2S_Clk_cntr--;
	if (Aud_I2S_Clk_cntr == 0) {
#ifdef PM_MANAGER_API
		if (disable_clock(MT_CG_AUD_PDN_I2S_EN, "AUDIO"))
			PRINTK_AUD_ERROR("disable_clock MT_CG_AUD_PDN_I2S_EN fail");
#else
		Afe_Set_Reg(AUDIO_TOP_CON0, 0x00000040, 0x00000040);	/* power off I2S clock */
#endif
	} else if (Aud_I2S_Clk_cntr < 0) {
		PRINTK_AUD_ERROR("!! AudDrv_I2S_Clk_Off, Aud_I2S_Clk_cntr<0 (%d)\n",
				 Aud_I2S_Clk_cntr);
		AUDIO_ASSERT(true);
		Aud_I2S_Clk_cntr = 0;
	}
	spin_unlock_irqrestore(&auddrv_Clk_lock, flags);
	/* PRINTK_AUD_CLK("-AudDrv_I2S_Clk_Off, Aud_I2S_Clk_cntr:%d\n",Aud_I2S_Clk_cntr); */
}
/* export symbol for other module use */
EXPORT_SYMBOL(AudDrv_I2S_Clk_Off);

/*****************************************************************************
  * FUNCTION
  *  AudDrv_Core_Clk_On / AudDrv_Core_Clk_Off
  *
  * DESCRIPTION
  *  Enable/Disable analog part clock
  *
  *****************************************************************************/

void AudDrv_Core_Clk_On(void)
{
	unsigned long flags;

	spin_lock_irqsave(&auddrv_Clk_lock, flags);
	PRINTK_AUD_CLK("+AudDrv_Core_Clk_On, Aud_Core_Clk_cntr:%d\n", Aud_Core_Clk_cntr);
	if (Aud_Core_Clk_cntr == 0) {
#ifdef PM_MANAGER_API
		if (enable_clock(MT_CG_AUD_PDN_AFE_EN, "AUDIO")) {
			PRINTK_AUD_ERROR
			    ("AudDrv_Core_Clk_On Aud enable_clock MT_CG_AUD_PDN_AFE_EN fail !!!\n");
		}
#endif
	}
	Aud_Core_Clk_cntr++;
	PRINTK_AUD_CLK("-AudDrv_Core_Clk_On, Aud_Core_Clk_cntr:%d\n", Aud_Core_Clk_cntr);
	spin_unlock_irqrestore(&auddrv_Clk_lock, flags);
}


void AudDrv_Core_Clk_Off(void)
{
	unsigned long flags;

	spin_lock_irqsave(&auddrv_Clk_lock, flags);
	PRINTK_AUD_CLK("+AudDrv_Core_Clk_On, Aud_Core_Clk_cntr:%d\n", Aud_Core_Clk_cntr);
	Aud_Core_Clk_cntr--;
	if (Aud_Core_Clk_cntr == 0) {
#ifdef PM_MANAGER_API
		if (disable_clock(MT_CG_AUD_PDN_AFE_EN, "AUDIO")) {
			PRINTK_AUD_ERROR
			    ("AudDrv_Core_Clk_On Aud disable_clock MT_CG_AUD_PDN_AFE_EN fail !!!\n");
		}
#endif
	}
	PRINTK_AUD_CLK("-AudDrv_Core_Clk_On, Aud_Core_Clk_cntr:%d\n", Aud_Core_Clk_cntr);
	spin_unlock_irqrestore(&auddrv_Clk_lock, flags);
}

void AudDrv_APLL1Tuner_Clk_On(void)
{
#if 0
	unsigned long flags;

	spin_lock_irqsave(&auddrv_Clk_lock, flags);
	if (Aud_APLL1_Tuner_cntr == 0) {
		PRINTK_AUD_CLK("+AudDrv_APLLTuner_Clk_On, Aud_APLL1_Tuner_cntr:%d\n",
			       Aud_APLL1_Tuner_cntr);
		Afe_Set_Reg(AUDIO_TOP_CON0, 0x0 << 19, 0x1 << 19);
		SetpllCfg(AP_PLL_CON5, 0x1, 0x1);
	}
	Aud_APLL1_Tuner_cntr++;
	spin_unlock_irqrestore(&auddrv_Clk_lock, flags);
#endif
}

void AudDrv_APLL1Tuner_Clk_Off(void)
{
#if 0
	unsigned long flags;

	spin_lock_irqsave(&auddrv_Clk_lock, flags);

	Aud_APLL1_Tuner_cntr--;
	if (Aud_APLL1_Tuner_cntr == 0) {
		Afe_Set_Reg(AUDIO_TOP_CON0, 0x1 << 19, 0x1 << 19);
		Afe_Set_Reg(AFE_APLL1_TUNER_CFG, 0x00000033, 0x1 << 19);
		SetpllCfg(AP_PLL_CON5, 0x0, 0x1);
	}
	/* handle for clock error */
	else if (Aud_APLL1_Tuner_cntr < 0) {
		PRINTK_AUD_ERROR("!! AudDrv_APLLTuner_Clk_Off, Aud_APLL1_Tuner_cntr<0 (%d)\n",
				 Aud_APLL1_Tuner_cntr);
		Aud_APLL1_Tuner_cntr = 0;
	}
	spin_unlock_irqrestore(&auddrv_Clk_lock, flags);
#endif
}


void AudDrv_APLL2Tuner_Clk_On(void)
{
#if 0
	unsigned long flags;

	spin_lock_irqsave(&auddrv_Clk_lock, flags);
	if (Aud_APLL2_Tuner_cntr == 0) {
		PRINTK_AUD_CLK("+Aud_APLL2_Tuner_cntr, Aud_APLL2_Tuner_cntr:%d\n",
			       Aud_APLL2_Tuner_cntr);
		Afe_Set_Reg(AUDIO_TOP_CON0, 0x0 << 20, 0x1 << 20);
		Afe_Set_Reg(AFE_APLL2_TUNER_CFG, 0x00000033, 0x1 << 19);
		SetpllCfg(AP_PLL_CON5, 0x1 << 1, 0x1 << 1);
	}
	Aud_APLL2_Tuner_cntr++;
	spin_unlock_irqrestore(&auddrv_Clk_lock, flags);
#endif
}

void AudDrv_APLL2Tuner_Clk_Off(void)
{
#if 0
	unsigned long flags;

	spin_lock_irqsave(&auddrv_Clk_lock, flags);

	Aud_APLL2_Tuner_cntr--;
	if (Aud_APLL2_Tuner_cntr == 0) {
		Afe_Set_Reg(AUDIO_TOP_CON0, 0x1 << 20, 0x1 << 20);
		SetpllCfg(AP_PLL_CON5, 0x0 << 1, 0x1 << 1);
	}
	/* handle for clock error */
	else if (Aud_APLL2_Tuner_cntr < 0) {
		PRINTK_AUD_ERROR("!! AudDrv_APLL2Tuner_Clk_Off, Aud_APLL1_Tuner_cntr<0 (%d)\n",
				 Aud_APLL2_Tuner_cntr);
		Aud_APLL2_Tuner_cntr = 0;
	}
	spin_unlock_irqrestore(&auddrv_Clk_lock, flags);
#endif
}

/*****************************************************************************
  * FUNCTION
  *  AudDrv_HDMI_Clk_On / AudDrv_HDMI_Clk_Off
  *
  * DESCRIPTION
  *  Enable/Disable analog part clock
  *
  *****************************************************************************/

void AudDrv_HDMI_Clk_On(void)
{
	PRINTK_AUD_CLK("+AudDrv_HDMI_Clk_On, Aud_I2S_Clk_cntr:%d\n", Aud_HDMI_Clk_cntr);
	if (Aud_HDMI_Clk_cntr == 0) {
		AudDrv_ANA_Clk_On();
		AudDrv_Clk_On();
	}
	Aud_HDMI_Clk_cntr++;
}

void AudDrv_HDMI_Clk_Off(void)
{
	PRINTK_AUD_CLK("+AudDrv_HDMI_Clk_Off, Aud_I2S_Clk_cntr:%d\n", Aud_HDMI_Clk_cntr);
	Aud_HDMI_Clk_cntr--;
	if (Aud_HDMI_Clk_cntr == 0) {
		AudDrv_ANA_Clk_Off();
		AudDrv_Clk_Off();
	} else if (Aud_HDMI_Clk_cntr < 0) {
		PRINTK_AUD_ERROR("!! AudDrv_Linein_Clk_Off, Aud_I2S_Clk_cntr<0 (%d)\n",
				 Aud_HDMI_Clk_cntr);
		AUDIO_ASSERT(true);
		Aud_HDMI_Clk_cntr = 0;
	}
	PRINTK_AUD_CLK("-AudDrv_I2S_Clk_Off, Aud_I2S_Clk_cntr:%d\n", Aud_HDMI_Clk_cntr);
}

/*****************************************************************************
* FUNCTION
*  AudDrv_Suspend_Clk_Off / AudDrv_Suspend_Clk_On
*
* DESCRIPTION
*  Enable/Disable AFE clock for suspend
*
*****************************************************************************
*/

void AudDrv_Suspend_Clk_Off(void)
{
	unsigned long flags;

	spin_lock_irqsave(&auddrv_Clk_lock, flags);
	PRINTK_AUD_CLK
	("+AudDrv_Suspend_Clk_Off, Core_Clk_cntr:%d, AFE_Clk_cntr:%d, I2S_Clk_cntr:%d, ADC_Clk_cntr:%d\n",
	Aud_Core_Clk_cntr, Aud_AFE_Clk_cntr, Aud_I2S_Clk_cntr, Aud_ADC_Clk_cntr);
	if (Aud_Core_Clk_cntr > 0) {
#ifdef PM_MANAGER_API
		if (Aud_AFE_Clk_cntr > 0) {
			if (disable_clock(MT_CG_AUD_PDN_AFE_EN, "AUDIO"))
				pr_err("AudDrv_Suspend_Clk_Off enable_clock MT_CG_AUD_PDN_AFE_EN fail !!!\n");
		}
		if (Aud_I2S_Clk_cntr > 0) {
			if (disable_clock(MT_CG_AUD_PDN_I2S_EN, "AUDIO"))
				pr_err("AudDrv_Suspend_Clk_Off disable_clock MT_CG_AUD_PDN_I2S_EN fail");
		}
		if (Aud_ADC_Clk_cntr > 0) {
			if (disable_clock(MT_CG_AUD_PDN_ADC_EN, "AUDIO"))
				pr_err("AudDrv_Suspend_Clk_Off enable_clock MT_CG_AUD_PDN_ADC_EN fail !!!\n");
			/* Afe_Set_Reg(AUDIO_TOP_CON0, 1 << 24 , 1 << 24); */
		}
		if (Aud_ADC2_Clk_cntr > 0) {
#if 0
			if (disable_clock(MT_CG_AUDIO_ADDA2, "AUDIO"))
				PRINTK_AUD_CLK("%s fail", __func__);
#endif
		}
		if (Aud_ADC3_Clk_cntr > 0) {
#if 0
			if (disable_clock(MT_CG_AUDIO_ADDA3, "AUDIO"))
				PRINTK_AUD_CLK("%s fail", __func__);
#endif
		}
#endif
	}
	PRINTK_AUD_CLK("-AudDrv_Suspend_Clk_Off\n");
	spin_unlock_irqrestore(&auddrv_Clk_lock, flags);
}

void AudDrv_Suspend_Clk_On(void)
{
	unsigned long flags;

	spin_lock_irqsave(&auddrv_Clk_lock, flags);
	PRINTK_AUD_CLK("+AudDrv_Suspend_Clk_On, Core_Clk_cntr:%d, AFE_Clk_cntr:%d, I2S_Clk_cntr:%d, ADC_Clk_cntr:%d\n",
	Aud_Core_Clk_cntr, Aud_AFE_Clk_cntr, Aud_I2S_Clk_cntr, Aud_ADC_Clk_cntr);
	AudDrv_Clk_Reset();
	if (Aud_Core_Clk_cntr > 0) {
#ifdef PM_MANAGER_API
		if (Aud_AFE_Clk_cntr > 0) {
			if (enable_clock(MT_CG_AUD_PDN_AFE_EN, "AUDIO"))
				pr_err("AudDrv_Suspend_Clk_On enable_clock MT_CG_AUD_PDN_AFE_EN fail !!!\n");
		}
		if (Aud_I2S_Clk_cntr > 0) {
			if (enable_clock(MT_CG_AUD_PDN_I2S_EN, "AUDIO"))
				pr_err("AudDrv_Suspend_Clk_On enable_clock MT_CG_AUD_PDN_I2S_EN fail");
		}
		if (Aud_ADC_Clk_cntr > 0) {
			if (enable_clock(MT_CG_AUD_PDN_ADC_EN, "AUDIO"))
				pr_err("AudDrv_Suspend_Clk_On enable_clock MT_CG_AUD_PDN_ADC_EN fail !!!\n");
			/* Afe_Set_Reg(AUDIO_TOP_CON0, 0 << 24 , 1 << 24); */
		}
		if (Aud_ADC2_Clk_cntr > 0) {
#if 0
			if (enable_clock(MT_CG_AUDIO_ADDA2, "AUDIO"))
				PRINTK_AUD_CLK("%s fail", __func__);
#endif
		}
		if (Aud_ADC3_Clk_cntr > 0) {
#if 0
			if (enable_clock(MT_CG_AUDIO_ADDA3, "AUDIO"))
				PRINTK_AUD_CLK("%s fail", __func__);
#endif
		}
#endif
	}
	PRINTK_AUD_CLK("-AudDrv_Suspend_Clk_On\n");
	spin_unlock_irqrestore(&auddrv_Clk_lock, flags);
}

void AudDrv_Emi_Clk_On(void)
{
	mutex_lock(&auddrv_pmic_mutex);
	PRINTK_AUD_CLK("+AudDrv_Emi_Clk_On\n");
	if (Aud_EMI_cntr == 0) {
		disable_dpidle_by_bit(MT_CG_AUD_PDN_AFE_EN);
		disable_soidle_by_bit(MT_CG_AUD_PDN_AFE_EN);
	}
	Aud_EMI_cntr++;
	PRINTK_AUD_CLK("-AudDrv_Emi_Clk_On, Aud_EMI_cntr=%d\n", Aud_EMI_cntr);
	mutex_unlock(&auddrv_pmic_mutex);
}

void AudDrv_Emi_Clk_Off(void)
{
	mutex_lock(&auddrv_pmic_mutex);
	PRINTK_AUD_CLK("+AudDrv_Emi_Clk_Off\n");
	Aud_EMI_cntr--;
	if (Aud_EMI_cntr == 0) {
		enable_dpidle_by_bit(MT_CG_AUD_PDN_AFE_EN);
		enable_soidle_by_bit(MT_CG_AUD_PDN_AFE_EN);
	}
	PRINTK_AUD_CLK("-AudDrv_Emi_Clk_Off, Aud_EMI_cntr=%d\n", Aud_EMI_cntr);
	if (Aud_EMI_cntr < 0) {
		Aud_EMI_cntr = 0;
		pr_err("Aud_EMI_cntr = %d\n", Aud_EMI_cntr);
	}
	mutex_unlock(&auddrv_pmic_mutex);
}

/* need to Reset in //spin_lock_irqsave(&auddrv_Clk_lock, flags); */
void AudDrv_Clk_Reset(void)
{
	/* unsigned long flags; */
	/* spin_lock_irqsave(&auddrv_Clk_lock, flags); */
	PRINTK_AUD_CLK("+AudDrv_Clk_Reset\n");
#ifdef PM_MANAGER_API
	/* enable audio related clock due to AUDIO_TOP_CON0 default clock is enalbed */
	if (enable_clock(MT_CG_AUD_PDN_AFE_EN, "AUDIO"))
		pr_err("AudDrv_Clk_Reset enable_clock MT_CG_AUD_PDN_AFE_EN fail !!!\n");

	if (enable_clock(MT_CG_AUD_PDN_I2S_EN, "AUDIO"))
		PRINTK_AUD_ERROR("AudDrv_Clk_Reset enable_clock MT_CG_AUD_PDN_I2S_EN fail");

	if (enable_clock(MT_CG_AUD_PDN_ADC_EN, "AUDIO"))
		pr_err("AudDrv_Clk_Reset enable_clock MT_CG_AUD_PDN_ADC_EN fail !!!\n");

	if (enable_clock(MT_CG_AUD_PDN_DAC_EN, "AUDIO"))
		pr_err("AudDrv_Clk_Reset enable_clock MT_CG_AUD_PDN_ADC_EN fail !!!\n");

	/* disable audio related clock */
	if (disable_clock(MT_CG_AUD_PDN_I2S_EN, "AUDIO"))
		PRINTK_AUD_ERROR("AudDrv_Clk_Reset enable_clock MT_CG_AUD_PDN_I2S_EN fail");

	if (disable_clock(MT_CG_AUD_PDN_ADC_EN, "AUDIO"))
		pr_err("AudDrv_Clk_Reset enable_clock MT_CG_AUD_PDN_ADC_EN fail !!!\n");

	if (disable_clock(MT_CG_AUD_PDN_DAC_EN, "AUDIO"))
		pr_err("AudDrv_Clk_Reset enable_clock MT_CG_AUD_PDN_DAC_EN fail !!!\n");

	if (disable_clock(MT_CG_AUD_PDN_AFE_EN, "AUDIO"))
		pr_err("AudDrv_Clk_Reset enable_clock MT_CG_AUD_PDN_AFE_EN fail !!!\n");

#endif
	PRINTK_AUD_CLK("-AudDrv_Clk_Reset\n");
	/* spin_unlock_irqrestore(&auddrv_Clk_lock, flags); */

}