Il 26/04/24 19:22, Alexandre Mergnat ha scritto:
Add Pulse Code Modulation Device Audio Interface support for MT8365 SoC.
Signed-off-by: Alexandre Mergnat amergnat@baylibre.com
sound/soc/mediatek/mt8365/mt8365-dai-pcm.c | 293 +++++++++++++++++++++++++++++ 1 file changed, 293 insertions(+)
diff --git a/sound/soc/mediatek/mt8365/mt8365-dai-pcm.c b/sound/soc/mediatek/mt8365/mt8365-dai-pcm.c new file mode 100644 index 000000000000..a5de47c69620 --- /dev/null +++ b/sound/soc/mediatek/mt8365/mt8365-dai-pcm.c @@ -0,0 +1,293 @@ +// SPDX-License-Identifier: GPL-2.0 +/*
- Mediatek 8365 ALSA SoC Audio DAI PCM Control
- Copyright (c) 2024 MediaTek Inc.
- Authors: Jia Zeng jia.zeng@mediatek.com
Alexandre Mergnat <amergnat@baylibre.com>- */
+#include <linux/bitops.h> +#include <linux/regmap.h> +#include <sound/pcm_params.h> +#include "mt8365-afe-clk.h" +#include "mt8365-afe-common.h"
+struct mt8365_pcm_intf_data {
- bool slave_mode;
- bool lrck_inv;
- bool bck_inv;
- unsigned int format;
+};
+/* DAI Drivers */
+static void mt8365_dai_enable_pcm1(struct mtk_base_afe *afe) +{
- regmap_update_bits(afe->regmap, PCM_INTF_CON1,
PCM_INTF_CON1_EN, PCM_INTF_CON1_EN);+}
+static void mt8365_dai_disable_pcm1(struct mtk_base_afe *afe) +{
- regmap_update_bits(afe->regmap, PCM_INTF_CON1,
PCM_INTF_CON1_EN, 0x0);+}
+static int mt8365_dai_configure_pcm1(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)+{
- struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
- struct mt8365_afe_private *afe_priv = afe->platform_priv;
- struct mt8365_pcm_intf_data *pcm_priv = afe_priv->dai_priv[MT8365_AFE_IO_PCM1];
- bool slave_mode = pcm_priv->slave_mode;
- bool lrck_inv = pcm_priv->lrck_inv;
- bool bck_inv = pcm_priv->bck_inv;
- unsigned int fmt = pcm_priv->format;
- unsigned int bit_width = dai->sample_bits;
- unsigned int val = 0;
- if (!slave_mode) {
val |= PCM_INTF_CON1_MASTER_MODE |PCM_INTF_CON1_BYPASS_ASRC;if (lrck_inv)val |= PCM_INTF_CON1_SYNC_OUT_INV;if (bck_inv)val |= PCM_INTF_CON1_BCLK_OUT_INV;- } else {
val |= PCM_INTF_CON1_SLAVE_MODE;if (lrck_inv)val |= PCM_INTF_CON1_SYNC_IN_INV;if (bck_inv)val |= PCM_INTF_CON1_BCLK_IN_INV;// TODO: add asrc setting
/* TODO ... */
after which:
Reviewed-by: AngeloGioacchino Del Regno angelogioacchino.delregno@collabora.com