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

/*******************************************************************************
 *
 * Filename:
 * ---------
 *	mt_soc_pcm_voice_ultra.c
 *
 * Project:
 * --------
 *	MT6797
 *
 * Description:
 * ------------
 *	Platform driver for ultrasound during voice call
 *
 * Author:
 * -------
 *	Kai Chieh Chuang
 *
 *------------------------------------------------------------------------------
 *
 *
 ******************************************************************************
 */

/*****************************************************************************
 *                     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>

#ifdef CONFIG_MTK_TINYSYS_SCP_SUPPORT
#include <audio_task_manager.h>
#include <scp_helper.h>
#endif

/*
 *    function implementation
 */
static bool mDlPrepareDone;
static bool mUlPrepareDone;

static bool voice_ultra_status;
bool get_voice_ultra_status(void)
{
	return voice_ultra_status;
}
EXPORT_SYMBOL(get_voice_ultra_status);

static struct voice_ultra_info ultra_info = {
	.playback_info_ready = false, .capture_info_ready = false,
};

static struct audio_digital_pcm Voice1Pcm = {
	.mTxLchRepeatSel = Soc_Aud_TX_LCH_RPT_TX_LCH_NO_REPEAT,
	.mVbt16kModeSel = Soc_Aud_VBT_16K_MODE_VBT_16K_MODE_DISABLE,
	.mExtModemSel = Soc_Aud_EXT_MODEM_MODEM_2_USE_INTERNAL_MODEM,
	.mExtendBckSyncLength = 0,
	.mExtendBckSyncTypeSel = Soc_Aud_PCM_SYNC_TYPE_BCK_CYCLE_SYNC,
	.mSingelMicSel = Soc_Aud_BT_MODE_DUAL_MIC_ON_TX,
	.mAsyncFifoSel = Soc_Aud_BYPASS_SRC_SLAVE_USE_ASYNC_FIFO,
	.mSlaveModeSel = Soc_Aud_PCM_CLOCK_SOURCE_SALVE_MODE,
	.mPcmWordLength = Soc_Aud_PCM_WLEN_LEN_PCM_16BIT,
	.mPcmModeWidebandSel = false,
	.mPcmFormat = Soc_Aud_PCM_FMT_PCM_MODE_B,
	.mModemPcmOn = false,
};

static struct audio_digital_pcm Voice2IntPcm = {
	.mBclkOutInv = false,
	.mTxLchRepeatSel = Soc_Aud_TX_LCH_RPT_TX_LCH_NO_REPEAT,
	.mVbt16kModeSel = Soc_Aud_VBT_16K_MODE_VBT_16K_MODE_DISABLE,
	.mExtModemSel = Soc_Aud_EXT_MODEM_MODEM_2_USE_INTERNAL_MODEM,
	.mExtendBckSyncLength = 0,
	.mExtendBckSyncTypeSel = Soc_Aud_PCM_SYNC_TYPE_BCK_CYCLE_SYNC,
	.mSingelMicSel = Soc_Aud_BT_MODE_DUAL_MIC_ON_TX,
	.mAsyncFifoSel = Soc_Aud_BYPASS_SRC_SLAVE_USE_ASYNC_FIFO,
	.mSlaveModeSel = Soc_Aud_PCM_CLOCK_SOURCE_SALVE_MODE,
	.mPcmWordLength = Soc_Aud_PCM_WLEN_LEN_PCM_16BIT,
	.mPcmModeWidebandSel = false,
	.mPcmFormat = Soc_Aud_PCM_FMT_PCM_MODE_B,
	.mModemPcmOn = false,
};

static struct snd_pcm_hardware mtk_pcm_hardware = {
	.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
		 SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID),
	.formats = SND_SOC_ADV_MT_FMTS,
	.rates = SOC_HIGH_USE_RATE,
	.rate_min = SOC_HIGH_USE_RATE_MIN,
	.rate_max = SOC_HIGH_USE_RATE_MAX,
	.channels_min = SOC_NORMAL_USE_CHANNELS_MIN,
	.channels_max = SOC_NORMAL_USE_CHANNELS_MAX,
	.buffer_bytes_max = MAX_BUFFER_SIZE,
	.period_bytes_max = MAX_PERIOD_SIZE,
	.periods_min = 1,
	.periods_max = 4096,
	.fifo_size = 0,
};

static int md_select;
static const char *const md_choose[] = {"md1", "md2"};
static const struct soc_enum speech_ultra_enum[] = {
	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(md_choose), md_choose),
};

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

static int Audio_MD_Select_Control_Set(struct snd_kcontrol *kcontrol,
				       struct snd_ctl_elem_value *ucontrol)
{
	if (ucontrol->value.enumerated.item[0] > ARRAY_SIZE(md_choose)) {
		pr_warn("return -EINVAL\n");
		return -EINVAL;
	}
	md_select = ucontrol->value.integer.value[0];
	pr_debug("%s(), md_select = %d\n", __func__, md_select);
	return 0;
}

static const struct snd_kcontrol_new speech_ultra_controls[] = {
	SOC_ENUM_EXT("Ultra_Modem_Select", speech_ultra_enum[0],
		     Audio_MD_Select_Control_Get, Audio_MD_Select_Control_Set),
};

static void ultra_md1_enable(bool enable, struct snd_pcm_runtime *runtime)
{
	if (enable) {
		/* connect */
		/* i3i4 -> pcm2 o17o28 */
		SetIntfConnection(Soc_Aud_InterCon_Connection,
				  Soc_Aud_AFE_IO_Block_ADDA_UL,
				  Soc_Aud_AFE_IO_Block_MODEM_PCM_2_O);
		/* pcm2 i14 --> awb o5 */
		SetIntfConnection(Soc_Aud_InterCon_Connection,
				  Soc_Aud_AFE_IO_Block_MODEM_PCM_2_I_CH1,
				  Soc_Aud_AFE_IO_Block_MEM_AWB_CH1);

		Voice1Pcm.mPcmModeWidebandSel = SampleRateTransform(
			runtime->rate, Soc_Aud_Digital_Block_MODEM_PCM_2_O);
		Voice1Pcm.mAsyncFifoSel =
			Soc_Aud_BYPASS_SRC_SLAVE_USE_ASYNC_FIFO;
		SetModemPcmConfig(MODEM_1, Voice1Pcm);
		SetModemPcmEnable(MODEM_1, true);
	} else {
		/* disconnect */
		/* i3i4 -> pcm2 o17o28 */
		SetIntfConnection(Soc_Aud_InterCon_DisConnect,
				  Soc_Aud_AFE_IO_Block_ADDA_UL,
				  Soc_Aud_AFE_IO_Block_MODEM_PCM_2_O);
		/* pcm2 i14 --> awb o5 */
		SetIntfConnection(Soc_Aud_InterCon_DisConnect,
				  Soc_Aud_AFE_IO_Block_MODEM_PCM_2_I_CH1,
				  Soc_Aud_AFE_IO_Block_MEM_AWB_CH1);

		SetModemPcmEnable(MODEM_1, false);
	}
}

static void ultra_md2_enable(bool enable, struct snd_pcm_runtime *runtime)
{
	if (enable) {
		/* connect */
		/* i3i4 -> pcm1 o7o8 */
		SetIntfConnection(Soc_Aud_InterCon_Connection,
				  Soc_Aud_AFE_IO_Block_ADDA_UL,
				  Soc_Aud_AFE_IO_Block_MODEM_PCM_1_O);
		/* pcm1 i9 --> awb o5 */
		SetIntfConnection(Soc_Aud_InterCon_Connection,
				  Soc_Aud_AFE_IO_Block_MODEM_PCM_1_I_CH1,
				  Soc_Aud_AFE_IO_Block_MEM_AWB_CH1);

		Voice2IntPcm.mPcmModeWidebandSel = SampleRateTransform(
			runtime->rate, Soc_Aud_Digital_Block_MODEM_PCM_2_O);
		/* Voice2IntPcm.mAsyncFifoSel =
		 * Soc_Aud_BYPASS_SRC_SLAVE_USE_ASYNC_FIFO;
		 */
		SetModemPcmConfig(MODEM_EXTERNAL, Voice2IntPcm);
		SetModemPcmEnable(MODEM_EXTERNAL, true);
	} else {
		/* disconnect */
		/* i3i4 -> pcm1 o7o8 */
		SetIntfConnection(Soc_Aud_InterCon_DisConnect,
				  Soc_Aud_AFE_IO_Block_ADDA_UL,
				  Soc_Aud_AFE_IO_Block_MODEM_PCM_1_O);
		/* pcm1 i9 --> awb o5 */
		SetIntfConnection(Soc_Aud_InterCon_DisConnect,
				  Soc_Aud_AFE_IO_Block_MODEM_PCM_1_I_CH1,
				  Soc_Aud_AFE_IO_Block_MEM_AWB_CH1);

		SetModemPcmEnable(MODEM_EXTERNAL, false);
	}
}

static int send_ipi_enable(bool enable)
{
#ifdef CONFIG_MTK_TINYSYS_SCP_SUPPORT
#define VOICE_ULTRA_ENABLE_ID 1
#define VOICE_ULTRA_DISABLE_ID 0
	struct ipi_msg_t ipi_msg;

	pr_debug("%s(), enable = %d\n", __func__, enable);

	if (enable) {
		uint32_t payload[8] = {0};

		payload[0] = ultra_info.voice_dl_rate; /* modem rate */
		payload[1] = ultra_info.dl_rate;       /* ultra dl rate */
		payload[2] = ultra_info.ultra_ul_rate; /* ultra ul rate */
		payload[3] = ultra_info.memif_byte;    /* memif format byte */
		payload[4] =
			ultra_info.memif_period_count; /* memif period count */

		scp_register_feature(OPEN_DSP_FEATURE_ID);

		audio_send_ipi_msg(
			&ipi_msg, TASK_SCENE_VOICE_ULTRASOUND,
			AUDIO_IPI_LAYER_TO_DSP, AUDIO_IPI_PAYLOAD,
			AUDIO_IPI_MSG_BYPASS_ACK, VOICE_ULTRA_ENABLE_ID,
			MAX_IPI_MSG_PAYLOAD_SIZE, 0, (char *)payload);

		/* change to wait ack when ready */
		udelay(5 * 1000);
	} else {
		audio_send_ipi_msg(&ipi_msg, TASK_SCENE_VOICE_ULTRASOUND,
				   AUDIO_IPI_LAYER_TO_DSP,
				   AUDIO_IPI_MSG_ONLY, AUDIO_IPI_MSG_BYPASS_ACK,
				   VOICE_ULTRA_DISABLE_ID, 0, 0, NULL);

		/* change to wait ack when ready */
		udelay(5 * 1000);

		scp_deregister_feature(OPEN_DSP_FEATURE_ID);
	}
#endif
	return 0;
}

static int mtk_voice_ultra_close(struct snd_pcm_substream *substream)
{
	pr_debug("mtk_voice_ultra_close\n");

	/* inform cm4 */
	if (mDlPrepareDone && mUlPrepareDone)
		send_ipi_enable(false);

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && mDlPrepareDone) {
		mDlPrepareDone = false;

		pr_debug("%s(), with SNDRV_PCM_STREAM_PLAYBACK\n", __func__);
		/* dl3 i23 --> o3 o4 */
		SetIntfConnection(Soc_Aud_InterCon_DisConnect,
				  Soc_Aud_AFE_IO_Block_MEM_DL3_CH1,
				  Soc_Aud_AFE_IO_Block_I2S1_DAC);

		/* stop DAC output */
		SetMemoryPathEnable(Soc_Aud_Digital_Block_I2S_OUT_DAC, false);
		if (GetI2SDacEnable() == false)
			SetI2SDacEnable(false);

		/* disable irq */
		irq_remove_user(substream, Soc_Aud_IRQ_MCU_MODE_IRQ4_MCU_MODE);
	}

	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE && mUlPrepareDone) {
		mUlPrepareDone = false;
		pr_debug("%s(), with SNDRV_PCM_STREAM_CAPTURE\n", __func__);

		SetIntfConnection(Soc_Aud_InterCon_DisConnect,
				  Soc_Aud_AFE_IO_Block_PROXIMITY_CIC,
				  Soc_Aud_AFE_IO_Block_MEM_DAI2);

		set_chip_proximity_src_enable(false);

		SetMemoryPathEnable(Soc_Aud_Digital_Block_ADDA_UL, false);
		if (GetMemoryPathEnable(Soc_Aud_Digital_Block_ADDA_UL) == false)
			set_adc_enable(false);

		SetMemoryPathEnable(Soc_Aud_Digital_Block_ADDA_UL2, false);
		if (GetMemoryPathEnable(Soc_Aud_Digital_Block_ADDA_UL2) ==
		    false)
			set_adc2_enable(false);

		if (md_select)
			ultra_md2_enable(false, substream->runtime);
		else
			ultra_md1_enable(false, substream->runtime);

		voice_ultra_status = false;
	}

	memset((void *)&ultra_info, 0, sizeof(struct voice_ultra_info));

	EnableAfe(false);
	AudDrv_Clk_Off();

	return 0;
}

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

	AudDrv_Clk_On();

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

	runtime->hw = mtk_pcm_hardware;
	memcpy((void *)(&(runtime->hw)), (void *)&mtk_pcm_hardware,
	       sizeof(struct snd_pcm_hardware));

	ret = snd_pcm_hw_constraint_integer(runtime,
					    SNDRV_PCM_HW_PARAM_PERIODS);

	/* print for hw pcm information */
	pr_debug("%s(), runtime rate = %d channels = %d\n", __func__,
		runtime->rate, runtime->channels);

	if (ret < 0) {
		pr_warn("mtk_voice_ultra_close\n");
		mtk_voice_ultra_close(substream);
		return ret;
	}

	pr_debug("%s(), return\n", __func__);
	return 0;
}

static int mtk_voice_ultra_prepare(struct snd_pcm_substream *substream)
{
	struct snd_pcm_runtime *runtime = substream->runtime;
	bool mI2SWLen;

	pr_debug("%s(), rate = %d ch= %d psize = %lu, dl_pre %d, ul_pre %d\n",
		__func__, runtime->rate, runtime->channels,
		runtime->period_size, mDlPrepareDone, mUlPrepareDone);

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && !mDlPrepareDone) {
		mDlPrepareDone = true;
		pr_debug("%s(), with SNDRV_PCM_STREAM_PLAYBACK\n", __func__);
		/* dl3 i23 --> o3 o4 */
		SetIntfConnection(Soc_Aud_InterCon_Connection,
				  Soc_Aud_AFE_IO_Block_MEM_DL3_CH1,
				  Soc_Aud_AFE_IO_Block_I2S1_DAC);

		/* set format */
		if (runtime->format == SNDRV_PCM_FORMAT_S32_LE ||
		    runtime->format == SNDRV_PCM_FORMAT_U32_LE) {
			SetMemIfFetchFormatPerSample(
				Soc_Aud_Digital_Block_MEM_DL3,
				AFE_WLEN_32_BIT_ALIGN_8BIT_0_24BIT_DATA);
			SetMemIfFetchFormatPerSample(
				Soc_Aud_Digital_Block_MEM_AWB,
				AFE_WLEN_32_BIT_ALIGN_8BIT_0_24BIT_DATA);
			SetMemIfFetchFormatPerSample(
				Soc_Aud_Digital_Block_MEM_DAI2,
				AFE_WLEN_32_BIT_ALIGN_8BIT_0_24BIT_DATA);

			SetConnectionFormat(OUTPUT_DATA_FORMAT_24BIT,
					    Soc_Aud_AFE_IO_Block_I2S1_DAC);
			SetConnectionFormat(OUTPUT_DATA_FORMAT_24BIT,
					    Soc_Aud_AFE_IO_Block_MEM_AWB);
			SetConnectionFormat(OUTPUT_DATA_FORMAT_24BIT,
					    Soc_Aud_AFE_IO_Block_MEM_DAI2);

			mI2SWLen = Soc_Aud_I2S_WLEN_WLEN_32BITS;
			ultra_info.memif_byte = 4;
		} else {
			SetMemIfFetchFormatPerSample(
				Soc_Aud_Digital_Block_MEM_DL3, AFE_WLEN_16_BIT);
			SetMemIfFetchFormatPerSample(
				Soc_Aud_Digital_Block_MEM_AWB, AFE_WLEN_16_BIT);
			SetMemIfFetchFormatPerSample(
				Soc_Aud_Digital_Block_MEM_DAI2,
				AFE_WLEN_16_BIT);

			SetConnectionFormat(OUTPUT_DATA_FORMAT_16BIT,
					    Soc_Aud_AFE_IO_Block_I2S1_DAC);
			SetConnectionFormat(OUTPUT_DATA_FORMAT_16BIT,
					    Soc_Aud_AFE_IO_Block_MEM_AWB);
			SetConnectionFormat(OUTPUT_DATA_FORMAT_16BIT,
					    Soc_Aud_AFE_IO_Block_MEM_DAI2);

			mI2SWLen = Soc_Aud_I2S_WLEN_WLEN_16BITS;
			ultra_info.memif_byte = 2;
		}

		/* start I2S DAC out */
		if (GetMemoryPathEnable(Soc_Aud_Digital_Block_I2S_OUT_DAC) ==
		    false) {
			SetMemoryPathEnable(Soc_Aud_Digital_Block_I2S_OUT_DAC,
					    true);
			SetI2SDacOut(substream->runtime->rate, false, mI2SWLen);
			SetI2SDacEnable(true);
		} else {
			SetMemoryPathEnable(Soc_Aud_Digital_Block_I2S_OUT_DAC,
					    true);
		}

		/* set memif, enable memif in cm4 */
		SetSampleRate(Soc_Aud_Digital_Block_MEM_DL3,
			      ultra_info.dl_rate);
		SetChannels(Soc_Aud_Digital_Block_MEM_DL3, runtime->channels);

		SetSampleRate(Soc_Aud_Digital_Block_MEM_AWB,
			      ultra_info.voice_dl_rate);
		SetChannels(Soc_Aud_Digital_Block_MEM_AWB, runtime->channels);

		SetSampleRate(Soc_Aud_Digital_Block_MEM_DAI2,
			      ultra_info.ultra_ul_rate);
		SetChannels(Soc_Aud_Digital_Block_MEM_DAI2, 1);

		/* enable irq */
		irq_add_user(substream, Soc_Aud_IRQ_MCU_MODE_IRQ4_MCU_MODE,
			     substream->runtime->rate,
			     substream->runtime->period_size);
	}
	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE && !mUlPrepareDone) {
		mUlPrepareDone = true;
		pr_debug("%s(), with SNDRV_PCM_STREAM_CAPTURE\n", __func__);

		SetIntfConnection(Soc_Aud_InterCon_Connection,
				  Soc_Aud_AFE_IO_Block_PROXIMITY_CIC,
				  Soc_Aud_AFE_IO_Block_MEM_DAI2);

		set_chip_proximity_src_enable(true);

		if (GetMemoryPathEnable(Soc_Aud_Digital_Block_ADDA_UL) ==
		    false) {
			SetMemoryPathEnable(Soc_Aud_Digital_Block_ADDA_UL,
					    true);
			set_adc_in(substream->runtime->rate);
			set_adc_enable(true);
		} else {
			SetMemoryPathEnable(Soc_Aud_Digital_Block_ADDA_UL,
					    true);
		}

		if (GetMemoryPathEnable(Soc_Aud_Digital_Block_ADDA_UL2) ==
		    false) {
			SetMemoryPathEnable(Soc_Aud_Digital_Block_ADDA_UL2,
					    true);
			set_adc2_in(substream->runtime->rate);
			set_adc2_enable(true);
		} else {
			SetMemoryPathEnable(Soc_Aud_Digital_Block_ADDA_UL2,
					    true);
		}

		if (md_select)
			ultra_md2_enable(true, runtime);
		else
			ultra_md1_enable(true, runtime);

		voice_ultra_status = true;
	}

	EnableAfe(true);

	/* inform cm4 */
	if (mDlPrepareDone && mUlPrepareDone)
		send_ipi_enable(true);

	return 0;
}

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

	/* store info */
	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
		pr_debug("%s(), with SNDRV_PCM_STREAM_PLAYBACK\n", __func__);
		ultra_info.dl_size = params_buffer_bytes(hw_params);
		ultra_info.dl_rate = params_rate(hw_params);
		ultra_info.memif_period_count = params_periods(hw_params);
		ultra_info.playback_info_ready = true;
	} else {
		pr_debug("%s(), with SNDRV_PCM_STREAM_CAPTURE\n", __func__);
		ultra_info.voice_dl_rate = params_rate(hw_params);
		ultra_info.capture_info_ready = true;
	}

	if (!ultra_info.playback_info_ready || !ultra_info.capture_info_ready)
		return ret;

	/* calculate buffer size */
	ultra_info.voice_dl_size =
		(ultra_info.dl_size * (ultra_info.voice_dl_rate / 100)) /
		(ultra_info.dl_rate / 100);

	ultra_info.ultra_ul_rate = 96000;
	ultra_info.ultra_ul_size =
		(ultra_info.dl_size * (ultra_info.ultra_ul_rate / 100)) /
		(ultra_info.dl_rate / 100);

	pr_debug("%s(),sram, size: dl = %d, vdl = %d, uul = %d, p_count = %d\n",
		__func__, ultra_info.dl_size, ultra_info.voice_dl_size,
		ultra_info.ultra_ul_size, ultra_info.memif_period_count);

	/* allocate sram */
	ret |= AllocateAudioSram(&ultra_info.dl_dma_addr,
				 &ultra_info.dl_dma_area, ultra_info.dl_size,
				 substream, params_format(hw_params), false);
	ret |= AllocateAudioSram(&ultra_info.voice_dl_dma_addr,
				 &ultra_info.voice_dl_dma_area,
				 ultra_info.voice_dl_size, substream,
				 params_format(hw_params), false);
	ret |= AllocateAudioSram(&ultra_info.ultra_ul_dma_addr,
				 &ultra_info.ultra_ul_dma_area,
				 ultra_info.ultra_ul_size, substream,
				 params_format(hw_params), false);
	if (ret) {
		pr_err("%s(), allocate sram fail, ret = %d\n", __func__, ret);
		freeAudioSram((void *)substream);
		return ret;
	}

	/* set memif for dl*/
	set_memif_addr(Soc_Aud_Digital_Block_MEM_DL3, ultra_info.dl_dma_addr,
		       ultra_info.dl_size);
	memset_io(ultra_info.dl_dma_area, 0, ultra_info.dl_size);
	SetHighAddr(Soc_Aud_Digital_Block_MEM_DL3, false,
		    ultra_info.dl_dma_addr);

	/* set memif for voice dl */
	set_memif_addr(Soc_Aud_Digital_Block_MEM_AWB,
		       ultra_info.voice_dl_dma_addr, ultra_info.voice_dl_size);
	memset_io(ultra_info.voice_dl_dma_area, 0, ultra_info.voice_dl_size);
	SetHighAddr(Soc_Aud_Digital_Block_MEM_AWB, false,
		    ultra_info.voice_dl_dma_addr);

	/* set memif for ultra ul */
	set_memif_addr(Soc_Aud_Digital_Block_MEM_DAI2,
		       ultra_info.ultra_ul_dma_addr, ultra_info.ultra_ul_size);
	memset_io(ultra_info.ultra_ul_dma_area, 0, ultra_info.ultra_ul_size);
	SetHighAddr(Soc_Aud_Digital_Block_MEM_DAI2, false,
		    ultra_info.ultra_ul_dma_addr);

	pr_debug("%s(), dl: bytes = %d, area = %p, addr = 0x%lx voice_dl: bytes = %d, area = %p, addr = 0x%lx\n",
		__func__,
		ultra_info.dl_size, ultra_info.dl_dma_area,
		(long)ultra_info.dl_dma_addr,
		ultra_info.voice_dl_size,
		ultra_info.voice_dl_dma_area,
		(long)ultra_info.voice_dl_dma_add);

	pr_debug("%s(), ultra_ul: bytes = %d, area = %p, addr = 0x%lx\n",
		__func__, ultra_info.ultra_ul_size,
		ultra_info.ultra_ul_dma_area,
		(long)ultra_info.ultra_ul_dma_addr);

	return ret;
}

static int mtk_voice_ultra_hw_free(struct snd_pcm_substream *substream)
{
	pr_debug("%s(), substream = %p\n", __func__, substream);

	return freeAudioSram((void *)substream);
}

static struct snd_pcm_ops mtk_voice_ultra_ops = {
	.open = mtk_voice_ultra_open,
	.close = mtk_voice_ultra_close,
	.ioctl = snd_pcm_lib_ioctl,
	.hw_params = mtk_voice_ultra_hw_params,
	.hw_free = mtk_voice_ultra_hw_free,
	.prepare = mtk_voice_ultra_prepare,
	.copy_user = mtk_afe_pcm_copy,
};

static int mtk_voice_ultra_component_probe(struct snd_soc_component *component)
{
	snd_soc_add_component_controls(component, speech_ultra_controls,
				      ARRAY_SIZE(speech_ultra_controls));
	return 0;
}

static struct snd_soc_component_driver mtk_soc_voice_ultra_component = {
	.name = AFE_PCM_NAME,
	.ops = &mtk_voice_ultra_ops,
	.probe = mtk_voice_ultra_component_probe,
};

static int mtk_voice_ultra_probe(struct platform_device *pdev)
{
	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_VOICE_ULTRA);
	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_voice_ultra_component,
					  NULL,
					  0);
}

static int mtk_voice_ultra_remove(struct platform_device *pdev)
{
	snd_soc_unregister_component(&pdev->dev);
	return 0;
}

static const struct of_device_id mt_soc_pcm_voice_ultra_of_ids[] = {
	{
		.compatible = "mediatek,mt_soc_pcm_voice_ultra",
	},
	{} };

static struct platform_driver mtk_voice_ultra_driver = {
	.driver = {

			.name = MT_SOC_VOICE_ULTRA,
			.owner = THIS_MODULE,
			.of_match_table = mt_soc_pcm_voice_ultra_of_ids,
		},
	.probe = mtk_voice_ultra_probe,
	.remove = mtk_voice_ultra_remove,
};

module_platform_driver(mtk_voice_ultra_driver);

MODULE_DESCRIPTION("AFE PCM module platform driver");
MODULE_LICENSE("GPL");