From: Darren Ye <darren.ye@xxxxxxxxxxxx> Implement sample rate conversion and set private data for mt8196. Signed-off-by: Darren Ye <darren.ye@xxxxxxxxxxxx> --- .../soc/mediatek/mt8196/mt8196-afe-control.c | 109 ++++++++++++++++++ 1 file changed, 109 insertions(+) create mode 100644 sound/soc/mediatek/mt8196/mt8196-afe-control.c diff --git a/sound/soc/mediatek/mt8196/mt8196-afe-control.c b/sound/soc/mediatek/mt8196/mt8196-afe-control.c new file mode 100644 index 000000000000..bb85f4ad8585 --- /dev/null +++ b/sound/soc/mediatek/mt8196/mt8196-afe-control.c @@ -0,0 +1,109 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * MediaTek ALSA SoC Audio Control + * + * Copyright (c) 2024 MediaTek Inc. + * Author: Darren Ye <darren.ye@xxxxxxxxxxxx> + */ + +#include "mt8196-afe-common.h" +#include <linux/pm_runtime.h> + +unsigned int mt8196_general_rate_transform(struct device *dev, + unsigned int rate) +{ + switch (rate) { + case 8000: + return MTK_AFE_IPM2P0_RATE_8K; + case 11025: + return MTK_AFE_IPM2P0_RATE_11K; + case 12000: + return MTK_AFE_IPM2P0_RATE_12K; + case 16000: + return MTK_AFE_IPM2P0_RATE_16K; + case 22050: + return MTK_AFE_IPM2P0_RATE_22K; + case 24000: + return MTK_AFE_IPM2P0_RATE_24K; + case 32000: + return MTK_AFE_IPM2P0_RATE_32K; + case 44100: + return MTK_AFE_IPM2P0_RATE_44K; + case 48000: + return MTK_AFE_IPM2P0_RATE_48K; + case 88200: + return MTK_AFE_IPM2P0_RATE_88K; + case 96000: + return MTK_AFE_IPM2P0_RATE_96K; + case 176400: + return MTK_AFE_IPM2P0_RATE_176K; + case 192000: + return MTK_AFE_IPM2P0_RATE_192K; + /* not support 260K */ + case 352800: + return MTK_AFE_IPM2P0_RATE_352K; + case 384000: + return MTK_AFE_IPM2P0_RATE_384K; + default: + dev_info(dev, "%s(), rate %u invalid, use %d!!!\n", + __func__, + rate, MTK_AFE_IPM2P0_RATE_48K); + return MTK_AFE_IPM2P0_RATE_48K; + } +} + +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_info(dev, "%s(), rate %u invalid, use %d!!!\n", + __func__, + rate, MTK_AFE_PCM_RATE_32K); + return MTK_AFE_PCM_RATE_32K; + } +} + +unsigned int mt8196_rate_transform(struct device *dev, + unsigned int rate, int aud_blk) +{ + switch (aud_blk) { + case MT8196_DAI_PCM_0: + case MT8196_DAI_PCM_1: + return pcm_rate_transform(dev, rate); + default: + return mt8196_general_rate_transform(dev, rate); + } +} + +int mt8196_dai_set_priv(struct mtk_base_afe *afe, int id, + int priv_size, const void *priv_data) +{ + struct mt8196_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); + + if (id >= MT8196_DAI_NUM || id < 0) + return -EINVAL; + + afe_priv->dai_priv[id] = temp_data; + + return 0; +} + -- 2.45.2