xref: /openbmc/linux/sound/soc/mediatek/mt8192/mt8192-afe-control.c (revision 2f3092e7)

// SPDX-License-Identifier: GPL-2.0
//
// MediaTek ALSA SoC Audio Control
//
// Copyright (c) 2020 MediaTek Inc.
// Author: Shane Chien <shane.chien@mediatek.com>
//

#include "mt8192-afe-common.h"

enum {
	MTK_AFE_RATE_8K = 0,
	MTK_AFE_RATE_11K = 1,
	MTK_AFE_RATE_12K = 2,
	MTK_AFE_RATE_384K = 3,
	MTK_AFE_RATE_16K = 4,
	MTK_AFE_RATE_22K = 5,
	MTK_AFE_RATE_24K = 6,
	MTK_AFE_RATE_352K = 7,
	MTK_AFE_RATE_32K = 8,
	MTK_AFE_RATE_44K = 9,
	MTK_AFE_RATE_48K = 10,
	MTK_AFE_RATE_88K = 11,
	MTK_AFE_RATE_96K = 12,
	MTK_AFE_RATE_176K = 13,
	MTK_AFE_RATE_192K = 14,
	MTK_AFE_RATE_260K = 15,
};

enum {
	MTK_AFE_DAI_MEMIF_RATE_8K = 0,
	MTK_AFE_DAI_MEMIF_RATE_16K = 1,
	MTK_AFE_DAI_MEMIF_RATE_32K = 2,
	MTK_AFE_DAI_MEMIF_RATE_48K = 3,
};

enum {
	MTK_AFE_PCM_RATE_8K = 0,
	MTK_AFE_PCM_RATE_16K = 1,
	MTK_AFE_PCM_RATE_32K = 2,
	MTK_AFE_PCM_RATE_48K = 3,
};

unsigned int mt8192_general_rate_transform(struct device *dev,
					   unsigned int rate)
{
	switch (rate) {
	case 8000:
		return MTK_AFE_RATE_8K;
	case 11025:
		return MTK_AFE_RATE_11K;
	case 12000:
		return MTK_AFE_RATE_12K;
	case 16000:
		return MTK_AFE_RATE_16K;
	case 22050:
		return MTK_AFE_RATE_22K;
	case 24000:
		return MTK_AFE_RATE_24K;
	case 32000:
		return MTK_AFE_RATE_32K;
	case 44100:
		return MTK_AFE_RATE_44K;
	case 48000:
		return MTK_AFE_RATE_48K;
	case 88200:
		return MTK_AFE_RATE_88K;
	case 96000:
		return MTK_AFE_RATE_96K;
	case 176400:
		return MTK_AFE_RATE_176K;
	case 192000:
		return MTK_AFE_RATE_192K;
	case 260000:
		return MTK_AFE_RATE_260K;
	case 352800:
		return MTK_AFE_RATE_352K;
	case 384000:
		return MTK_AFE_RATE_384K;
	default:
		dev_warn(dev, "%s(), rate %u invalid, use %d!!!\n",
			 __func__,
			 rate, MTK_AFE_RATE_48K);
		return MTK_AFE_RATE_48K;
	}
}

static unsigned int dai_memif_rate_transform(struct device *dev,
					     unsigned int rate)
{
	switch (rate) {
	case 8000:
		return MTK_AFE_DAI_MEMIF_RATE_8K;
	case 16000:
		return MTK_AFE_DAI_MEMIF_RATE_16K;
	case 32000:
		return MTK_AFE_DAI_MEMIF_RATE_32K;
	case 48000:
		return MTK_AFE_DAI_MEMIF_RATE_48K;
	default:
		dev_warn(dev, "%s(), rate %u invalid, use %d!!!\n",
			 __func__,
			 rate, MTK_AFE_DAI_MEMIF_RATE_16K);
		return MTK_AFE_DAI_MEMIF_RATE_16K;
	}
}

static unsigned int pcm_rate_transform(struct device *dev,
				       unsigned int rate)
{
	switch (rate) {
	case 8000:
		return MTK_AFE_PCM_RATE_8K;
	case 16000:
		return MTK_AFE_PCM_RATE_16K;
	case 32000:
		return MTK_AFE_PCM_RATE_32K;
	case 48000:
		return MTK_AFE_PCM_RATE_48K;
	default:
		dev_warn(dev, "%s(), rate %u invalid, use %d!!!\n",
			 __func__,
			 rate, MTK_AFE_PCM_RATE_32K);
		return MTK_AFE_PCM_RATE_32K;
	}
}

unsigned int mt8192_rate_transform(struct device *dev,
				   unsigned int rate, int aud_blk)
{
	switch (aud_blk) {
	case MT8192_MEMIF_DAI:
	case MT8192_MEMIF_MOD_DAI:
		return dai_memif_rate_transform(dev, rate);
	case MT8192_DAI_PCM_1:
	case MT8192_DAI_PCM_2:
		return pcm_rate_transform(dev, rate);
	default:
		return mt8192_general_rate_transform(dev, rate);
	}
}

int mt8192_dai_set_priv(struct mtk_base_afe *afe, int id,
			int priv_size, const void *priv_data)
{
	struct mt8192_afe_private *afe_priv = afe->platform_priv;
	void *temp_data;

	temp_data = devm_kzalloc(afe->dev,
				 priv_size,
				 GFP_KERNEL);
	if (!temp_data)
		return -ENOMEM;

	if (priv_data)
		memcpy(temp_data, priv_data, priv_size);

	afe_priv->dai_priv[id] = temp_data;

	return 0;
}