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Signed-off-by: Darren Ye Reviewed-by: AngeloGioacchino Del Regno Tested-by: Louis-Alexis Eyraud --- .../mediatek/common/mtk-afe-platform-driver.c | 56 +++++++++++++------ .../mediatek/common/mtk-afe-platform-driver.h | 2 + 2 files changed, 40 insertions(+), 18 deletions(-) diff --git a/sound/soc/mediatek/common/mtk-afe-platform-driver.c b/sound/so= c/mediatek/common/mtk-afe-platform-driver.c index 70fd05d5ff48..df7da3fd86fc 100644 --- a/sound/soc/mediatek/common/mtk-afe-platform-driver.c +++ b/sound/soc/mediatek/common/mtk-afe-platform-driver.c @@ -86,29 +86,49 @@ snd_pcm_uframes_t mtk_afe_pcm_pointer(struct snd_soc_co= mponent *component, const struct mtk_base_memif_data *memif_data =3D memif->data; struct regmap *regmap =3D afe->regmap; struct device *dev =3D afe->dev; - int reg_ofs_base =3D memif_data->reg_ofs_base; - int reg_ofs_cur =3D memif_data->reg_ofs_cur; - unsigned int hw_ptr =3D 0, hw_base =3D 0; - int ret, pcm_ptr_bytes; - - ret =3D regmap_read(regmap, reg_ofs_cur, &hw_ptr); - if (ret || hw_ptr =3D=3D 0) { - dev_err(dev, "%s hw_ptr err\n", __func__); - pcm_ptr_bytes =3D 0; - goto POINTER_RETURN_FRAMES; + unsigned int hw_ptr_lower32 =3D 0, hw_ptr_upper32 =3D 0; + unsigned int hw_base_lower32 =3D 0, hw_base_upper32 =3D 0; + unsigned long long hw_ptr =3D 0, hw_base =3D 0; + int ret; + unsigned long long pcm_ptr_bytes =3D 0; + + ret =3D regmap_read(regmap, memif_data->reg_ofs_cur, &hw_ptr_lower32); + if (ret) { + dev_err(dev, "%s hw_ptr_lower32 err\n", __func__); + return 0; } =20 - ret =3D regmap_read(regmap, reg_ofs_base, &hw_base); - if (ret || hw_base =3D=3D 0) { - dev_err(dev, "%s hw_ptr err\n", __func__); - pcm_ptr_bytes =3D 0; - goto POINTER_RETURN_FRAMES; + if (memif_data->reg_ofs_cur_msb) { + ret =3D regmap_read(regmap, memif_data->reg_ofs_cur_msb, &hw_ptr_upper32= ); + if (ret) { + dev_err(dev, "%s hw_ptr_upper32 err\n", __func__); + return 0; + } } =20 - pcm_ptr_bytes =3D hw_ptr - hw_base; + ret =3D regmap_read(regmap, memif_data->reg_ofs_base, &hw_base_lower32); + if (ret) { + dev_err(dev, "%s hw_base_lower32 err\n", __func__); + return 0; + } + if (memif_data->reg_ofs_base_msb) { + ret =3D regmap_read(regmap, memif_data->reg_ofs_base_msb, &hw_base_upper= 32); + if (ret) { + dev_err(dev, "%s hw_base_upper32 err\n", __func__); + return 0; + } + } + + hw_ptr =3D ((unsigned long long)hw_ptr_upper32 << 32) | hw_ptr_lower32; + hw_base =3D ((unsigned long long)hw_base_upper32 << 32) | hw_base_lower32; + + if (!hw_ptr || !hw_base) { + dev_err(dev, "hw_ptr or hw_base =3D 0 err\n"); + return 0; + } =20 -POINTER_RETURN_FRAMES: - return bytes_to_frames(substream->runtime, pcm_ptr_bytes); + pcm_ptr_bytes =3D MTK_ALIGN_16BYTES(hw_ptr - hw_base); + return bytes_to_frames(substream->runtime, (ssize_t)pcm_ptr_bytes); } EXPORT_SYMBOL_GPL(mtk_afe_pcm_pointer); =20 diff --git a/sound/soc/mediatek/common/mtk-afe-platform-driver.h b/sound/so= c/mediatek/common/mtk-afe-platform-driver.h index fcc923b88f12..71070b26f8f8 100644 --- a/sound/soc/mediatek/common/mtk-afe-platform-driver.h +++ b/sound/soc/mediatek/common/mtk-afe-platform-driver.h @@ -12,6 +12,8 @@ #define AFE_PCM_NAME "mtk-afe-pcm" extern const struct snd_soc_component_driver mtk_afe_pcm_platform; =20 +#define MTK_ALIGN_16BYTES(x) ((x) & GENMASK_ULL(39, 4)) + struct mtk_base_afe; struct snd_pcm; struct snd_soc_component; --=20 2.45.2