This patch adds mt8186 pcm dai driver.
Signed-off-by: Jiaxin Yu <jiaxin.yu@mediatek.com>
---
sound/soc/mediatek/mt8186/mt8186-dai-pcm.c | 432 +++++++++++++++++++++
1 file changed, 432 insertions(+)
create mode 100644 sound/soc/mediatek/mt8186/mt8186-dai-pcm.c
diff --git a/sound/soc/mediatek/mt8186/mt8186-dai-pcm.c b/sound/soc/mediatek/mt8186/mt8186-dai-pcm.c
new file mode 100644
index 000000000000..73b3f720ed35
--- /dev/null
+++ b/sound/soc/mediatek/mt8186/mt8186-dai-pcm.c
@@ -0,0 +1,432 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// MediaTek ALSA SoC Audio DAI I2S Control
+//
+// Copyright (c) 2022 MediaTek Inc.
+// Author: Jiaxin Yu <jiaxin.yu@mediatek.com>
+
+#include <linux/regmap.h>
+#include <sound/pcm_params.h>
+#include "mt8186-afe-common.h"
+#include "mt8186-afe-gpio.h"
+#include "mt8186-interconnection.h"
+
+struct mtk_afe_pcm_priv {
+ unsigned int id;
+ unsigned int fmt;
+ unsigned int bck_invert;
+ unsigned int lck_invert;
+};
+
+enum AUD_TX_LCH_RPT {
+ AUD_TX_LCH_RPT_NO_REPEAT = 0,
+ AUD_TX_LCH_RPT_REPEAT = 1
+};
+
+enum AUD_VBT_16K_MODE {
+ AUD_VBT_16K_MODE_DISABLE = 0,
+ AUD_VBT_16K_MODE_ENABLE = 1
+};
+
+enum AUD_EXT_MODEM {
+ AUD_EXT_MODEM_SELECT_INTERNAL = 0,
+ AUD_EXT_MODEM_SELECT_EXTERNAL = 1
+};
+
+enum AUD_PCM_SYNC_TYPE {
+ /* bck sync length = 1 */
+ AUD_PCM_ONE_BCK_CYCLE_SYNC = 0,
+ /* bck sync length = PCM_INTF_CON1[9:13] */
+ AUD_PCM_EXTENDED_BCK_CYCLE_SYNC = 1
+};
+
+enum AUD_BT_MODE {
+ AUD_BT_MODE_DUAL_MIC_ON_TX = 0,
+ AUD_BT_MODE_SINGLE_MIC_ON_TX = 1
+};
+
+enum AUD_PCM_AFIFO_SRC {
+ /* slave mode & external modem uses different crystal */
+ AUD_PCM_AFIFO_ASRC = 0,
+ /* slave mode & external modem uses the same crystal */
+ AUD_PCM_AFIFO_AFIFO = 1
+};
+
+enum AUD_PCM_CLOCK_SOURCE {
+ AUD_PCM_CLOCK_MASTER_MODE = 0,
+ AUD_PCM_CLOCK_SLAVE_MODE = 1
+};
+
+enum AUD_PCM_WLEN {
+ AUD_PCM_WLEN_PCM_32_BCK_CYCLES = 0,
+ AUD_PCM_WLEN_PCM_64_BCK_CYCLES = 1
+};
+
+enum AUD_PCM_24BIT {
+ AUD_PCM_24BIT_PCM_16_BITS = 0,
+ AUD_PCM_24BIT_PCM_24_BITS = 1
+};
+
+enum AUD_PCM_MODE {
+ AUD_PCM_MODE_PCM_MODE_8K = 0,
+ AUD_PCM_MODE_PCM_MODE_16K = 1,
+ AUD_PCM_MODE_PCM_MODE_32K = 2,
+ AUD_PCM_MODE_PCM_MODE_48K = 3,
+};
+
+enum AUD_PCM_FMT {
+ AUD_PCM_FMT_I2S = 0,
+ AUD_PCM_FMT_EIAJ = 1,
+ AUD_PCM_FMT_PCM_MODE_A = 2,
+ AUD_PCM_FMT_PCM_MODE_B = 3
+};
+
+enum AUD_BCLK_OUT_INV {
+ AUD_BCLK_OUT_INV_NO_INVERSE = 0,
+ AUD_BCLK_OUT_INV_INVERSE = 1
+};
+
+enum AUD_LRCLK_OUT_INV {
+ AUD_LRCLK_OUT_INV_NO_INVERSE = 0,
+ AUD_LRCLK_OUT_INV_INVERSE = 1
+};
+
+enum AUD_PCM_EN {
+ AUD_PCM_EN_DISABLE = 0,
+ AUD_PCM_EN_ENABLE = 1
+};
+
+/* dai component */
+static const struct snd_kcontrol_new mtk_pcm_1_playback_ch1_mix[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1 Switch", AFE_CONN7,
+ I_ADDA_UL_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1 Switch", AFE_CONN7,
+ I_DL2_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH1 Switch", AFE_CONN7_1,
+ I_DL4_CH1, 1, 0),
+};
+
+static const struct snd_kcontrol_new mtk_pcm_1_playback_ch2_mix[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2 Switch", AFE_CONN8,
+ I_ADDA_UL_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2 Switch", AFE_CONN8,
+ I_DL2_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH2 Switch", AFE_CONN8_1,
+ I_DL4_CH2, 1, 0),
+};
+
+static int mtk_pcm_en_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol,
+ int event)
+{
+ struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
+ struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
+
+ dev_dbg(afe->dev, "%s(), name %s, event 0x%x\n",
+ __func__, w->name, event);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ mt8186_afe_gpio_request(afe->dev, true, MT8186_DAI_PCM, 0);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ mt8186_afe_gpio_request(afe->dev, false, MT8186_DAI_PCM, 0);
+ break;
+ }
+
+ return 0;
+}
+
+/* pcm in/out lpbk */
+static const char * const pcm_lpbk_mux_map[] = {
+ "Normal", "Lpbk",
+};
+
+static int pcm_lpbk_mux_map_value[] = {
+ 0, 1,
+};
+
+static SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(pcm_in_lpbk_mux_map_enum,
+ PCM_INTF_CON1,
+ PCM_I2S_PCM_LOOPBACK_SFT,
+ 1,
+ pcm_lpbk_mux_map,
+ pcm_lpbk_mux_map_value);
+
+static const struct snd_kcontrol_new pcm_in_lpbk_mux_control =
+ SOC_DAPM_ENUM("PCM In Lpbk Select", pcm_in_lpbk_mux_map_enum);
+
+static SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(pcm_out_lpbk_mux_map_enum,
+ PCM_INTF_CON1,
+ PCM_I2S_PCM_LOOPBACK_SFT,
+ 1,
+ pcm_lpbk_mux_map,
+ pcm_lpbk_mux_map_value);
+
+static const struct snd_kcontrol_new pcm_out_lpbk_mux_control =
+ SOC_DAPM_ENUM("PCM Out Lpbk Select", pcm_out_lpbk_mux_map_enum);
+
+static const struct snd_soc_dapm_widget mtk_dai_pcm_widgets[] = {
+ /* inter-connections */
+ SND_SOC_DAPM_MIXER("PCM_1_PB_CH1", SND_SOC_NOPM, 0, 0,
+ mtk_pcm_1_playback_ch1_mix,
+ ARRAY_SIZE(mtk_pcm_1_playback_ch1_mix)),
+ SND_SOC_DAPM_MIXER("PCM_1_PB_CH2", SND_SOC_NOPM, 0, 0,
+ mtk_pcm_1_playback_ch2_mix,
+ ARRAY_SIZE(mtk_pcm_1_playback_ch2_mix)),
+
+ SND_SOC_DAPM_SUPPLY("PCM_1_EN",
+ PCM_INTF_CON1, PCM_EN_SFT, 0,
+ mtk_pcm_en_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+
+ /* pcm in lpbk */
+ SND_SOC_DAPM_MUX("PCM_In_Lpbk_Mux",
+ SND_SOC_NOPM, 0, 0, &pcm_in_lpbk_mux_control),
+
+ /* pcm out lpbk */
+ SND_SOC_DAPM_MUX("PCM_Out_Lpbk_Mux",
+ SND_SOC_NOPM, 0, 0, &pcm_out_lpbk_mux_control),
+};
+
+static const struct snd_soc_dapm_route mtk_dai_pcm_routes[] = {
+ {"PCM 1 Playback", NULL, "PCM_1_PB_CH1"},
+ {"PCM 1 Playback", NULL, "PCM_1_PB_CH2"},
+
+ {"PCM 1 Playback", NULL, "PCM_1_EN"},
+ {"PCM 1 Capture", NULL, "PCM_1_EN"},
+
+ {"PCM_1_PB_CH1", "DL2_CH1 Switch", "DL2"},
+ {"PCM_1_PB_CH2", "DL2_CH2 Switch", "DL2"},
+
+ {"PCM_1_PB_CH1", "DL4_CH1 Switch", "DL4"},
+ {"PCM_1_PB_CH2", "DL4_CH2 Switch", "DL4"},
+
+ /* pcm out lpbk */
+ {"PCM_Out_Lpbk_Mux", "Lpbk", "PCM 1 Playback"},
+ {"I2S0", NULL, "PCM_Out_Lpbk_Mux"},
+
+ /* pcm in lpbk */
+ {"PCM_In_Lpbk_Mux", "Lpbk", "PCM 1 Capture"},
+ {"I2S3", NULL, "PCM_In_Lpbk_Mux"},
+};
+
+/* dai ops */
+static int mtk_dai_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
+ struct mt8186_afe_private *afe_priv = afe->platform_priv;
+ int pcm_id = dai->id;
+ struct mtk_afe_pcm_priv *pcm_priv = afe_priv->dai_priv[pcm_id];
+ unsigned int rate = params_rate(params);
+ unsigned int rate_reg = mt8186_rate_transform(afe->dev, rate, dai->id);
+ snd_pcm_format_t format = params_format(params);
+ unsigned int data_width =
+ snd_pcm_format_width(format);
+ unsigned int wlen_width =
+ snd_pcm_format_physical_width(format);
+ unsigned int pcm_con = 0;
+
+ dev_info(afe->dev, "%s(), id %d, stream %d, widget active p %d, c %d\n",
+ __func__,
+ dai->id,
+ substream->stream,
+ dai->playback_widget->active,
+ dai->capture_widget->active);
+ dev_info(afe->dev, "%s(), rate %d, rate_reg %d, data_width %d, wlen_width %d\n",
+ __func__,
+ rate,
+ rate_reg,
+ data_width,
+ wlen_width);
+
+ if (dai->playback_widget->active || dai->capture_widget->active)
+ return 0;
+
+ switch (dai->id) {
+ case MT8186_DAI_PCM:
+ pcm_con |= AUD_TX_LCH_RPT_NO_REPEAT << PCM_TX_LCH_RPT_SFT;
+ pcm_con |= AUD_VBT_16K_MODE_DISABLE << PCM_VBT_16K_MODE_SFT;
+ pcm_con |= AUD_EXT_MODEM_SELECT_EXTERNAL << PCM_EXT_MODEM_SFT;
+ pcm_con |= AUD_PCM_ONE_BCK_CYCLE_SYNC << PCM_SYNC_TYPE_SFT;
+ pcm_con |= AUD_BT_MODE_DUAL_MIC_ON_TX << PCM_BT_MODE_SFT;
+ pcm_con |= AUD_PCM_AFIFO_AFIFO << PCM_BYP_ASRC_SFT;
+ pcm_con |= AUD_PCM_CLOCK_MASTER_MODE << PCM_SLAVE_SFT;
+ pcm_con |= 0 << PCM_SYNC_LENGTH_SFT;
+
+ /* sampling rate */
+ pcm_con |= rate_reg << PCM_MODE_SFT;
+
+ /* format */
+ pcm_con |= pcm_priv->fmt << PCM_FMT_SFT;
+
+ /* 24bit data width */
+ if (data_width > 16)
+ pcm_con |= AUD_PCM_24BIT_PCM_24_BITS << PCM_24BIT_SFT;
+ else
+ pcm_con |= AUD_PCM_24BIT_PCM_16_BITS << PCM_24BIT_SFT;
+
+ /* wlen width*/
+ if (wlen_width > 16)
+ pcm_con |= AUD_PCM_WLEN_PCM_64_BCK_CYCLES << PCM_WLEN_SFT;
+ else
+ pcm_con |= AUD_PCM_WLEN_PCM_32_BCK_CYCLES << PCM_WLEN_SFT;
+
+ /* clock invert */
+ pcm_con |= pcm_priv->lck_invert << PCM_SYNC_OUT_INV_SFT;
+ pcm_con |= pcm_priv->bck_invert << PCM_BCLK_OUT_INV_SFT;
+
+ regmap_update_bits(afe->regmap, PCM_INTF_CON1,
+ 0xfffffffe, pcm_con);
+ break;
+ default:
+ dev_info(afe->dev, "%s(), id %d not support\n",
+ __func__, dai->id);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int mtk_dai_pcm_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+ struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
+ struct mt8186_afe_private *afe_priv = afe->platform_priv;
+ struct mtk_afe_pcm_priv *pcm_priv = afe_priv->dai_priv[dai->id];
+
+ if (!pcm_priv) {
+ dev_info(afe->dev, "%s(), tdm_priv == NULL", __func__);
+ return -EINVAL;
+ }
+
+ /* DAI mode*/
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ pcm_priv->fmt = AUD_PCM_FMT_I2S;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ pcm_priv->fmt = AUD_PCM_FMT_EIAJ;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ pcm_priv->fmt = AUD_PCM_FMT_PCM_MODE_A;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ pcm_priv->fmt = AUD_PCM_FMT_PCM_MODE_B;
+ break;
+ default:
+ pcm_priv->fmt = AUD_PCM_FMT_I2S;
+ }
+
+ /* DAI clock inversion*/
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ pcm_priv->bck_invert = AUD_BCLK_OUT_INV_NO_INVERSE;
+ pcm_priv->lck_invert = AUD_LRCLK_OUT_INV_NO_INVERSE;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ pcm_priv->bck_invert = AUD_BCLK_OUT_INV_NO_INVERSE;
+ pcm_priv->lck_invert = AUD_BCLK_OUT_INV_INVERSE;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ pcm_priv->bck_invert = AUD_BCLK_OUT_INV_INVERSE;
+ pcm_priv->lck_invert = AUD_LRCLK_OUT_INV_NO_INVERSE;
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ pcm_priv->bck_invert = AUD_BCLK_OUT_INV_INVERSE;
+ pcm_priv->lck_invert = AUD_BCLK_OUT_INV_INVERSE;
+ break;
+ default:
+ pcm_priv->bck_invert = AUD_BCLK_OUT_INV_NO_INVERSE;
+ pcm_priv->lck_invert = AUD_LRCLK_OUT_INV_NO_INVERSE;
+ break;
+ }
+
+ return 0;
+}
+
+static const struct snd_soc_dai_ops mtk_dai_pcm_ops = {
+ .hw_params = mtk_dai_pcm_hw_params,
+ .set_fmt = mtk_dai_pcm_set_fmt,
+};
+
+/* dai driver */
+#define MTK_PCM_RATES (SNDRV_PCM_RATE_8000 |\
+ SNDRV_PCM_RATE_16000 |\
+ SNDRV_PCM_RATE_32000 |\
+ SNDRV_PCM_RATE_48000)
+
+#define MTK_PCM_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
+ SNDRV_PCM_FMTBIT_S24_LE |\
+ SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_driver mtk_dai_pcm_driver[] = {
+ {
+ .name = "PCM 1",
+ .id = MT8186_DAI_PCM,
+ .playback = {
+ .stream_name = "PCM 1 Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MTK_PCM_RATES,
+ .formats = MTK_PCM_FORMATS,
+ },
+ .capture = {
+ .stream_name = "PCM 1 Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MTK_PCM_RATES,
+ .formats = MTK_PCM_FORMATS,
+ },
+ .ops = &mtk_dai_pcm_ops,
+ .symmetric_rate = 1,
+ .symmetric_sample_bits = 1,
+ },
+};
+
+static struct mtk_afe_pcm_priv *init_pcm_priv_data(struct mtk_base_afe *afe)
+{
+ struct mtk_afe_pcm_priv *pcm_priv;
+
+ pcm_priv = devm_kzalloc(afe->dev, sizeof(struct mtk_afe_pcm_priv),
+ GFP_KERNEL);
+ if (!pcm_priv)
+ return NULL;
+
+ pcm_priv->id = MT8186_DAI_PCM;
+ pcm_priv->fmt = AUD_PCM_FMT_I2S;
+ pcm_priv->bck_invert = AUD_BCLK_OUT_INV_NO_INVERSE;
+ pcm_priv->lck_invert = AUD_LRCLK_OUT_INV_NO_INVERSE;
+
+ return pcm_priv;
+}
+
+int mt8186_dai_pcm_register(struct mtk_base_afe *afe)
+{
+ struct mt8186_afe_private *afe_priv = afe->platform_priv;
+ struct mtk_afe_pcm_priv *pcm_priv;
+ struct mtk_base_afe_dai *dai;
+
+ dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
+ if (!dai)
+ return -ENOMEM;
+
+ list_add(&dai->list, &afe->sub_dais);
+
+ dai->dai_drivers = mtk_dai_pcm_driver;
+ dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_pcm_driver);
+
+ dai->dapm_widgets = mtk_dai_pcm_widgets;
+ dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_pcm_widgets);
+ dai->dapm_routes = mtk_dai_pcm_routes;
+ dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_pcm_routes);
+
+ pcm_priv = init_pcm_priv_data(afe);
+ if (!pcm_priv)
+ return -ENOMEM;
+
+ afe_priv->dai_priv[MT8186_DAI_PCM] = pcm_priv;
+
+ return 0;
+}
--
2.18.0
Il 17/02/22 14:41, Jiaxin Yu ha scritto: > This patch adds mt8186 pcm dai driver. > > Signed-off-by: Jiaxin Yu <jiaxin.yu@mediatek.com> > --- > sound/soc/mediatek/mt8186/mt8186-dai-pcm.c | 432 +++++++++++++++++++++ > 1 file changed, 432 insertions(+) > create mode 100644 sound/soc/mediatek/mt8186/mt8186-dai-pcm.c > > diff --git a/sound/soc/mediatek/mt8186/mt8186-dai-pcm.c b/sound/soc/mediatek/mt8186/mt8186-dai-pcm.c > new file mode 100644 > index 000000000000..73b3f720ed35 > --- /dev/null > +++ b/sound/soc/mediatek/mt8186/mt8186-dai-pcm.c > @@ -0,0 +1,432 @@ > +// SPDX-License-Identifier: GPL-2.0 > +// > +// MediaTek ALSA SoC Audio DAI I2S Control > +// > +// Copyright (c) 2022 MediaTek Inc. > +// Author: Jiaxin Yu <jiaxin.yu@mediatek.com> > + > +#include <linux/regmap.h> > +#include <sound/pcm_params.h> > +#include "mt8186-afe-common.h" > +#include "mt8186-afe-gpio.h" > +#include "mt8186-interconnection.h" > + > +struct mtk_afe_pcm_priv { > + unsigned int id; > + unsigned int fmt; > + unsigned int bck_invert; > + unsigned int lck_invert; > +}; > + > +enum AUD_TX_LCH_RPT { lowercase enumeration names please... enum aud_tx_lch_rpt { AUD_TX....BLAH }; > + AUD_TX_LCH_RPT_NO_REPEAT = 0, > + AUD_TX_LCH_RPT_REPEAT = 1 > +}; > + > +enum AUD_VBT_16K_MODE { > + AUD_VBT_16K_MODE_DISABLE = 0, > + AUD_VBT_16K_MODE_ENABLE = 1 > +}; > + > +enum AUD_EXT_MODEM { > + AUD_EXT_MODEM_SELECT_INTERNAL = 0, > + AUD_EXT_MODEM_SELECT_EXTERNAL = 1 > +}; > + > +enum AUD_PCM_SYNC_TYPE { > + /* bck sync length = 1 */ > + AUD_PCM_ONE_BCK_CYCLE_SYNC = 0, > + /* bck sync length = PCM_INTF_CON1[9:13] */ > + AUD_PCM_EXTENDED_BCK_CYCLE_SYNC = 1 > +}; > + > +enum AUD_BT_MODE { > + AUD_BT_MODE_DUAL_MIC_ON_TX = 0, > + AUD_BT_MODE_SINGLE_MIC_ON_TX = 1 > +}; > + > +enum AUD_PCM_AFIFO_SRC { > + /* slave mode & external modem uses different crystal */ > + AUD_PCM_AFIFO_ASRC = 0, > + /* slave mode & external modem uses the same crystal */ > + AUD_PCM_AFIFO_AFIFO = 1 > +}; > + > +enum AUD_PCM_CLOCK_SOURCE { > + AUD_PCM_CLOCK_MASTER_MODE = 0, > + AUD_PCM_CLOCK_SLAVE_MODE = 1 > +}; > + > +enum AUD_PCM_WLEN { > + AUD_PCM_WLEN_PCM_32_BCK_CYCLES = 0, > + AUD_PCM_WLEN_PCM_64_BCK_CYCLES = 1 > +}; > + > +enum AUD_PCM_24BIT { > + AUD_PCM_24BIT_PCM_16_BITS = 0, > + AUD_PCM_24BIT_PCM_24_BITS = 1 > +}; > + > +enum AUD_PCM_MODE { > + AUD_PCM_MODE_PCM_MODE_8K = 0, > + AUD_PCM_MODE_PCM_MODE_16K = 1, > + AUD_PCM_MODE_PCM_MODE_32K = 2, > + AUD_PCM_MODE_PCM_MODE_48K = 3, > +}; > + > +enum AUD_PCM_FMT { > + AUD_PCM_FMT_I2S = 0, > + AUD_PCM_FMT_EIAJ = 1, > + AUD_PCM_FMT_PCM_MODE_A = 2, > + AUD_PCM_FMT_PCM_MODE_B = 3 > +}; > + > +enum AUD_BCLK_OUT_INV { > + AUD_BCLK_OUT_INV_NO_INVERSE = 0, > + AUD_BCLK_OUT_INV_INVERSE = 1 > +}; > + > +enum AUD_LRCLK_OUT_INV { > + AUD_LRCLK_OUT_INV_NO_INVERSE = 0, > + AUD_LRCLK_OUT_INV_INVERSE = 1 > +}; > + > +enum AUD_PCM_EN { > + AUD_PCM_EN_DISABLE = 0, > + AUD_PCM_EN_ENABLE = 1 > +}; > + ..snip.. > + > +/* dai ops */ > +static int mtk_dai_pcm_hw_params(struct snd_pcm_substream *substream, > + struct snd_pcm_hw_params *params, > + struct snd_soc_dai *dai) > +{ > + struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); > + struct mt8186_afe_private *afe_priv = afe->platform_priv; > + int pcm_id = dai->id; > + struct mtk_afe_pcm_priv *pcm_priv = afe_priv->dai_priv[pcm_id]; > + unsigned int rate = params_rate(params); > + unsigned int rate_reg = mt8186_rate_transform(afe->dev, rate, dai->id); > + snd_pcm_format_t format = params_format(params); > + unsigned int data_width = > + snd_pcm_format_width(format); > + unsigned int wlen_width = > + snd_pcm_format_physical_width(format); > + unsigned int pcm_con = 0; > + > + dev_info(afe->dev, "%s(), id %d, stream %d, widget active p %d, c %d\n", > + __func__, > + dai->id, > + substream->stream, > + dai->playback_widget->active, > + dai->capture_widget->active); > + dev_info(afe->dev, "%s(), rate %d, rate_reg %d, data_width %d, wlen_width %d\n", > + __func__, > + rate, > + rate_reg, > + data_width, > + wlen_width); dev_dbg() - also, you don't need one line per variable. > + > + if (dai->playback_widget->active || dai->capture_widget->active) > + return 0; > + > + switch (dai->id) { > + case MT8186_DAI_PCM: > + pcm_con |= AUD_TX_LCH_RPT_NO_REPEAT << PCM_TX_LCH_RPT_SFT; > + pcm_con |= AUD_VBT_16K_MODE_DISABLE << PCM_VBT_16K_MODE_SFT; > + pcm_con |= AUD_EXT_MODEM_SELECT_EXTERNAL << PCM_EXT_MODEM_SFT; > + pcm_con |= AUD_PCM_ONE_BCK_CYCLE_SYNC << PCM_SYNC_TYPE_SFT; > + pcm_con |= AUD_BT_MODE_DUAL_MIC_ON_TX << PCM_BT_MODE_SFT; > + pcm_con |= AUD_PCM_AFIFO_AFIFO << PCM_BYP_ASRC_SFT; > + pcm_con |= AUD_PCM_CLOCK_MASTER_MODE << PCM_SLAVE_SFT; > + pcm_con |= 0 << PCM_SYNC_LENGTH_SFT; > + > + /* sampling rate */ > + pcm_con |= rate_reg << PCM_MODE_SFT; > + > + /* format */ > + pcm_con |= pcm_priv->fmt << PCM_FMT_SFT; > + > + /* 24bit data width */ > + if (data_width > 16) > + pcm_con |= AUD_PCM_24BIT_PCM_24_BITS << PCM_24BIT_SFT; > + else > + pcm_con |= AUD_PCM_24BIT_PCM_16_BITS << PCM_24BIT_SFT; > + > + /* wlen width*/ > + if (wlen_width > 16) > + pcm_con |= AUD_PCM_WLEN_PCM_64_BCK_CYCLES << PCM_WLEN_SFT; > + else > + pcm_con |= AUD_PCM_WLEN_PCM_32_BCK_CYCLES << PCM_WLEN_SFT; > + > + /* clock invert */ > + pcm_con |= pcm_priv->lck_invert << PCM_SYNC_OUT_INV_SFT; > + pcm_con |= pcm_priv->bck_invert << PCM_BCLK_OUT_INV_SFT; > + > + regmap_update_bits(afe->regmap, PCM_INTF_CON1, > + 0xfffffffe, pcm_con); Fits in one line. > + break; > + default: > + dev_info(afe->dev, "%s(), id %d not support\n", > + __func__, dai->id); dev_err() > + return -EINVAL; > + } > + > + return 0; > +} > + > +static int mtk_dai_pcm_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) > +{ > + struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); > + struct mt8186_afe_private *afe_priv = afe->platform_priv; > + struct mtk_afe_pcm_priv *pcm_priv = afe_priv->dai_priv[dai->id]; > + > + if (!pcm_priv) { > + dev_info(afe->dev, "%s(), tdm_priv == NULL", __func__); dev_err() > + return -EINVAL; > + } > +
On Fri, 2022-02-18 at 15:54 +0100, AngeloGioacchino Del Regno wrote: > Il 17/02/22 14:41, Jiaxin Yu ha scritto: > > This patch adds mt8186 pcm dai driver. > > > > Signed-off-by: Jiaxin Yu <jiaxin.yu@mediatek.com> > > --- > > sound/soc/mediatek/mt8186/mt8186-dai-pcm.c | 432 > > +++++++++++++++++++++ > > 1 file changed, 432 insertions(+) > > create mode 100644 sound/soc/mediatek/mt8186/mt8186-dai-pcm.c > > > > diff --git a/sound/soc/mediatek/mt8186/mt8186-dai-pcm.c > > b/sound/soc/mediatek/mt8186/mt8186-dai-pcm.c > > new file mode 100644 > > index 000000000000..73b3f720ed35 > > --- /dev/null > > +++ b/sound/soc/mediatek/mt8186/mt8186-dai-pcm.c > > @@ -0,0 +1,432 @@ > > +// SPDX-License-Identifier: GPL-2.0 > > +// > > +// MediaTek ALSA SoC Audio DAI I2S Control > > +// > > +// Copyright (c) 2022 MediaTek Inc. > > +// Author: Jiaxin Yu <jiaxin.yu@mediatek.com> > > + > > +#include <linux/regmap.h> > > +#include <sound/pcm_params.h> > > +#include "mt8186-afe-common.h" > > +#include "mt8186-afe-gpio.h" > > +#include "mt8186-interconnection.h" > > + > > +struct mtk_afe_pcm_priv { > > + unsigned int id; > > + unsigned int fmt; > > + unsigned int bck_invert; > > + unsigned int lck_invert; > > +}; > > + > > +enum AUD_TX_LCH_RPT { > > lowercase enumeration names please... > > enum aud_tx_lch_rpt { > AUD_TX....BLAH > }; > Ok, I will fix them. > > + AUD_TX_LCH_RPT_NO_REPEAT = 0, > > + AUD_TX_LCH_RPT_REPEAT = 1 > > +}; > > + > > +enum AUD_VBT_16K_MODE { > > + AUD_VBT_16K_MODE_DISABLE = 0, > > + AUD_VBT_16K_MODE_ENABLE = 1 > > +}; > > + > > +enum AUD_EXT_MODEM { > > + AUD_EXT_MODEM_SELECT_INTERNAL = 0, > > + AUD_EXT_MODEM_SELECT_EXTERNAL = 1 > > +}; > > + > > +enum AUD_PCM_SYNC_TYPE { > > + /* bck sync length = 1 */ > > + AUD_PCM_ONE_BCK_CYCLE_SYNC = 0, > > + /* bck sync length = PCM_INTF_CON1[9:13] */ > > + AUD_PCM_EXTENDED_BCK_CYCLE_SYNC = 1 > > +}; > > + > > +enum AUD_BT_MODE { > > + AUD_BT_MODE_DUAL_MIC_ON_TX = 0, > > + AUD_BT_MODE_SINGLE_MIC_ON_TX = 1 > > +}; > > + > > +enum AUD_PCM_AFIFO_SRC { > > + /* slave mode & external modem uses different crystal */ > > + AUD_PCM_AFIFO_ASRC = 0, > > + /* slave mode & external modem uses the same crystal */ > > + AUD_PCM_AFIFO_AFIFO = 1 > > +}; > > + > > +enum AUD_PCM_CLOCK_SOURCE { > > + AUD_PCM_CLOCK_MASTER_MODE = 0, > > + AUD_PCM_CLOCK_SLAVE_MODE = 1 > > +}; > > + > > +enum AUD_PCM_WLEN { > > + AUD_PCM_WLEN_PCM_32_BCK_CYCLES = 0, > > + AUD_PCM_WLEN_PCM_64_BCK_CYCLES = 1 > > +}; > > + > > +enum AUD_PCM_24BIT { > > + AUD_PCM_24BIT_PCM_16_BITS = 0, > > + AUD_PCM_24BIT_PCM_24_BITS = 1 > > +}; > > + > > +enum AUD_PCM_MODE { > > + AUD_PCM_MODE_PCM_MODE_8K = 0, > > + AUD_PCM_MODE_PCM_MODE_16K = 1, > > + AUD_PCM_MODE_PCM_MODE_32K = 2, > > + AUD_PCM_MODE_PCM_MODE_48K = 3, > > +}; > > + > > +enum AUD_PCM_FMT { > > + AUD_PCM_FMT_I2S = 0, > > + AUD_PCM_FMT_EIAJ = 1, > > + AUD_PCM_FMT_PCM_MODE_A = 2, > > + AUD_PCM_FMT_PCM_MODE_B = 3 > > +}; > > + > > +enum AUD_BCLK_OUT_INV { > > + AUD_BCLK_OUT_INV_NO_INVERSE = 0, > > + AUD_BCLK_OUT_INV_INVERSE = 1 > > +}; > > + > > +enum AUD_LRCLK_OUT_INV { > > + AUD_LRCLK_OUT_INV_NO_INVERSE = 0, > > + AUD_LRCLK_OUT_INV_INVERSE = 1 > > +}; > > + > > +enum AUD_PCM_EN { > > + AUD_PCM_EN_DISABLE = 0, > > + AUD_PCM_EN_ENABLE = 1 > > +}; > > + > > ..snip.. > > > + > > +/* dai ops */ > > +static int mtk_dai_pcm_hw_params(struct snd_pcm_substream > > *substream, > > + struct snd_pcm_hw_params *params, > > + struct snd_soc_dai *dai) > > +{ > > + struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); > > + struct mt8186_afe_private *afe_priv = afe->platform_priv; > > + int pcm_id = dai->id; > > + struct mtk_afe_pcm_priv *pcm_priv = afe_priv->dai_priv[pcm_id]; > > + unsigned int rate = params_rate(params); > > + unsigned int rate_reg = mt8186_rate_transform(afe->dev, rate, > > dai->id); > > + snd_pcm_format_t format = params_format(params); > > + unsigned int data_width = > > + snd_pcm_format_width(format); > > + unsigned int wlen_width = > > + snd_pcm_format_physical_width(format); > > + unsigned int pcm_con = 0; > > + > > + dev_info(afe->dev, "%s(), id %d, stream %d, widget active p %d, > > c %d\n", > > + __func__, > > + dai->id, > > + substream->stream, > > + dai->playback_widget->active, > > + dai->capture_widget->active); > > + dev_info(afe->dev, "%s(), rate %d, rate_reg %d, data_width %d, > > wlen_width %d\n", > > + __func__, > > + rate, > > + rate_reg, > > + data_width, > > + wlen_width); > > dev_dbg() - also, you don't need one line per variable. > Yes, I will line them up in two. > > + > > + if (dai->playback_widget->active || dai->capture_widget- > > >active) > > + return 0; > > + > > + switch (dai->id) { > > + case MT8186_DAI_PCM: > > + pcm_con |= AUD_TX_LCH_RPT_NO_REPEAT << > > PCM_TX_LCH_RPT_SFT; > > + pcm_con |= AUD_VBT_16K_MODE_DISABLE << > > PCM_VBT_16K_MODE_SFT; > > + pcm_con |= AUD_EXT_MODEM_SELECT_EXTERNAL << > > PCM_EXT_MODEM_SFT; > > + pcm_con |= AUD_PCM_ONE_BCK_CYCLE_SYNC << > > PCM_SYNC_TYPE_SFT; > > + pcm_con |= AUD_BT_MODE_DUAL_MIC_ON_TX << > > PCM_BT_MODE_SFT; > > + pcm_con |= AUD_PCM_AFIFO_AFIFO << PCM_BYP_ASRC_SFT; > > + pcm_con |= AUD_PCM_CLOCK_MASTER_MODE << PCM_SLAVE_SFT; > > + pcm_con |= 0 << PCM_SYNC_LENGTH_SFT; > > + > > + /* sampling rate */ > > + pcm_con |= rate_reg << PCM_MODE_SFT; > > + > > + /* format */ > > + pcm_con |= pcm_priv->fmt << PCM_FMT_SFT; > > + > > + /* 24bit data width */ > > + if (data_width > 16) > > + pcm_con |= AUD_PCM_24BIT_PCM_24_BITS << > > PCM_24BIT_SFT; > > + else > > + pcm_con |= AUD_PCM_24BIT_PCM_16_BITS << > > PCM_24BIT_SFT; > > + > > + /* wlen width*/ > > + if (wlen_width > 16) > > + pcm_con |= AUD_PCM_WLEN_PCM_64_BCK_CYCLES << > > PCM_WLEN_SFT; > > + else > > + pcm_con |= AUD_PCM_WLEN_PCM_32_BCK_CYCLES << > > PCM_WLEN_SFT; > > + > > + /* clock invert */ > > + pcm_con |= pcm_priv->lck_invert << > > PCM_SYNC_OUT_INV_SFT; > > + pcm_con |= pcm_priv->bck_invert << > > PCM_BCLK_OUT_INV_SFT; > > + > > + regmap_update_bits(afe->regmap, PCM_INTF_CON1, > > + 0xfffffffe, pcm_con); > > Fits in one line. > > > + break; > > + default: > > + dev_info(afe->dev, "%s(), id %d not support\n", > > + __func__, dai->id); > > dev_err() > > > + return -EINVAL; > > + } > > + > > + return 0; > > +} > > + > > +static int mtk_dai_pcm_set_fmt(struct snd_soc_dai *dai, unsigned > > int fmt) > > +{ > > + struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); > > + struct mt8186_afe_private *afe_priv = afe->platform_priv; > > + struct mtk_afe_pcm_priv *pcm_priv = afe_priv->dai_priv[dai- > > >id]; > > + > > + if (!pcm_priv) { > > + dev_info(afe->dev, "%s(), tdm_priv == NULL", __func__); > > dev_err() > > > + return -EINVAL; > > + } > > +
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