blob: 3c5096afa255bff8ec02a40131b6c68cb866d864 [file] [log] [blame]
From 0dc695c6d7e86562bb185214a271a2d4614d3f96 Mon Sep 17 00:00:00 2001
From: Maso Huang <maso.huang@mediatek.com>
Date: Thu, 16 Nov 2023 12:05:02 +0800
Subject: [PATCH] v6.7 MT7986 ASoC platform driver
---
sound/soc/mediatek/Kconfig | 20 +
sound/soc/mediatek/Makefile | 1 +
sound/soc/mediatek/mt7986/Makefile | 9 +
sound/soc/mediatek/mt7986/mt7986-afe-common.h | 49 ++
sound/soc/mediatek/mt7986/mt7986-afe-pcm.c | 640 ++++++++++++++++++
sound/soc/mediatek/mt7986/mt7986-dai-etdm.c | 428 ++++++++++++
sound/soc/mediatek/mt7986/mt7986-reg.h | 196 ++++++
sound/soc/mediatek/mt7986/mt7986-wm8960.c | 177 +++++
8 files changed, 1520 insertions(+)
create mode 100644 sound/soc/mediatek/mt7986/Makefile
create mode 100644 sound/soc/mediatek/mt7986/mt7986-afe-common.h
create mode 100644 sound/soc/mediatek/mt7986/mt7986-afe-pcm.c
create mode 100644 sound/soc/mediatek/mt7986/mt7986-dai-etdm.c
create mode 100644 sound/soc/mediatek/mt7986/mt7986-reg.h
create mode 100644 sound/soc/mediatek/mt7986/mt7986-wm8960.c
diff --git a/sound/soc/mediatek/Kconfig b/sound/soc/mediatek/Kconfig
index 111e44b..99d36c4 100644
--- a/sound/soc/mediatek/Kconfig
+++ b/sound/soc/mediatek/Kconfig
@@ -53,6 +53,26 @@ config SND_SOC_MT6797_MT6351
Select Y if you have such device.
If unsure select "N".
+config SND_SOC_MT7986
+ tristate "ASoC support for Mediatek MT7986 chip"
+ depends on ARCH_MEDIATEK
+ select SND_SOC_MEDIATEK
+ help
+ This adds ASoC platform driver support for MediaTek MT7986 chip
+ that can be used with other codecs.
+ Select Y if you have such device.
+ If unsure select "N".
+
+config SND_SOC_MT7986_WM8960
+ tristate "ASoc Audio driver for MT7986 with WM8960 codec"
+ depends on SND_SOC_MT7986 && I2C
+ select SND_SOC_WM8960
+ help
+ This adds support for ASoC machine driver for MediaTek MT7986
+ boards with the WM8960 codecs.
+ Select Y if you have such device.
+ If unsure select "N".
+
config SND_SOC_MT8173
tristate "ASoC support for Mediatek MT8173 chip"
depends on ARCH_MEDIATEK
diff --git a/sound/soc/mediatek/Makefile b/sound/soc/mediatek/Makefile
index 76032ca..657325a 100644
--- a/sound/soc/mediatek/Makefile
+++ b/sound/soc/mediatek/Makefile
@@ -2,5 +2,6 @@
obj-$(CONFIG_SND_SOC_MEDIATEK) += common/
obj-$(CONFIG_SND_SOC_MT2701) += mt2701/
obj-$(CONFIG_SND_SOC_MT6797) += mt6797/
+obj-$(CONFIG_SND_SOC_MT7986) += mt7986/
obj-$(CONFIG_SND_SOC_MT8173) += mt8173/
obj-$(CONFIG_SND_SOC_MT8183) += mt8183/
diff --git a/sound/soc/mediatek/mt7986/Makefile b/sound/soc/mediatek/mt7986/Makefile
new file mode 100644
index 0000000..fc4c825
--- /dev/null
+++ b/sound/soc/mediatek/mt7986/Makefile
@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0
+
+# platform driver
+snd-soc-mt7986-afe-objs := \
+ mt7986-afe-pcm.o \
+ mt7986-dai-etdm.o
+
+obj-$(CONFIG_SND_SOC_MT7986) += snd-soc-mt7986-afe.o
+obj-$(CONFIG_SND_SOC_MT7986_WM8960) += mt7986-wm8960.o
diff --git a/sound/soc/mediatek/mt7986/mt7986-afe-common.h b/sound/soc/mediatek/mt7986/mt7986-afe-common.h
new file mode 100644
index 0000000..fc3bb31
--- /dev/null
+++ b/sound/soc/mediatek/mt7986/mt7986-afe-common.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * mt7986-afe-common.h -- MediaTek 7986 audio driver definitions
+ *
+ * Copyright (c) 2023 MediaTek Inc.
+ * Authors: Vic Wu <vic.wu@mediatek.com>
+ * Maso Huang <maso.huang@mediatek.com>
+ */
+
+#ifndef _MT_7986_AFE_COMMON_H_
+#define _MT_7986_AFE_COMMON_H_
+
+#include <sound/soc.h>
+#include <linux/clk.h>
+#include <linux/list.h>
+#include <linux/regmap.h>
+#include "../common/mtk-base-afe.h"
+
+enum {
+ MT7986_MEMIF_DL1,
+ MT7986_MEMIF_VUL12,
+ MT7986_MEMIF_NUM,
+ MT7986_DAI_ETDM = MT7986_MEMIF_NUM,
+ MT7986_DAI_NUM,
+};
+
+enum {
+ MT7986_IRQ_0,
+ MT7986_IRQ_1,
+ MT7986_IRQ_2,
+ MT7986_IRQ_NUM,
+};
+
+struct mt7986_afe_private {
+ struct clk_bulk_data *clks;
+ int num_clks;
+
+ int pm_runtime_bypass_reg_ctl;
+
+ /* dai */
+ void *dai_priv[MT7986_DAI_NUM];
+};
+
+unsigned int mt7986_afe_rate_transform(struct device *dev,
+ unsigned int rate);
+
+/* dai register */
+int mt7986_dai_etdm_register(struct mtk_base_afe *afe);
+#endif
diff --git a/sound/soc/mediatek/mt7986/mt7986-afe-pcm.c b/sound/soc/mediatek/mt7986/mt7986-afe-pcm.c
new file mode 100644
index 0000000..e2f8c51
--- /dev/null
+++ b/sound/soc/mediatek/mt7986/mt7986-afe-pcm.c
@@ -0,0 +1,640 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * MediaTek ALSA SoC AFE platform driver for MT7986
+ *
+ * Copyright (c) 2023 MediaTek Inc.
+ * Authors: Vic Wu <vic.wu@mediatek.com>
+ * Maso Huang <maso.huang@mediatek.com>
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/pm_runtime.h>
+
+#include "mt7986-afe-common.h"
+#include "mt7986-reg.h"
+#include "../common/mtk-afe-platform-driver.h"
+#include "../common/mtk-afe-fe-dai.h"
+
+enum {
+ MTK_AFE_RATE_8K = 0,
+ MTK_AFE_RATE_11K = 1,
+ MTK_AFE_RATE_12K = 2,
+ MTK_AFE_RATE_16K = 4,
+ MTK_AFE_RATE_22K = 5,
+ MTK_AFE_RATE_24K = 6,
+ MTK_AFE_RATE_32K = 8,
+ MTK_AFE_RATE_44K = 9,
+ MTK_AFE_RATE_48K = 10,
+ MTK_AFE_RATE_88K = 13,
+ MTK_AFE_RATE_96K = 14,
+ MTK_AFE_RATE_176K = 17,
+ MTK_AFE_RATE_192K = 18,
+};
+
+enum {
+ CLK_INFRA_AUD_BUS_CK = 0,
+ CLK_INFRA_AUD_26M_CK,
+ CLK_INFRA_AUD_L_CK,
+ CLK_INFRA_AUD_AUD_CK,
+ CLK_INFRA_AUD_EG2_CK,
+ CLK_NUM
+};
+
+static const char *aud_clks[CLK_NUM] = {
+ [CLK_INFRA_AUD_BUS_CK] = "aud_bus_ck",
+ [CLK_INFRA_AUD_26M_CK] = "aud_26m_ck",
+ [CLK_INFRA_AUD_L_CK] = "aud_l_ck",
+ [CLK_INFRA_AUD_AUD_CK] = "aud_aud_ck",
+ [CLK_INFRA_AUD_EG2_CK] = "aud_eg2_ck",
+};
+
+unsigned int mt7986_afe_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;
+ default:
+ dev_warn(dev, "%s(), rate %u invalid, using %d!!!\n",
+ __func__, rate, MTK_AFE_RATE_48K);
+ return MTK_AFE_RATE_48K;
+ }
+}
+
+static const struct snd_pcm_hardware mt7986_afe_hardware = {
+ .info = SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_MMAP_VALID,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
+ .period_bytes_min = 256,
+ .period_bytes_max = 4 * 48 * 1024,
+ .periods_min = 2,
+ .periods_max = 256,
+ .buffer_bytes_max = 8 * 48 * 1024,
+ .fifo_size = 0,
+};
+
+static int mt7986_memif_fs(struct snd_pcm_substream *substream,
+ unsigned int rate)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+ struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
+
+ return mt7986_afe_rate_transform(afe->dev, rate);
+}
+
+static int mt7986_irq_fs(struct snd_pcm_substream *substream,
+ unsigned int rate)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+ struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
+
+ return mt7986_afe_rate_transform(afe->dev, rate);
+}
+
+#define MTK_PCM_RATES (SNDRV_PCM_RATE_8000_48000 |\
+ SNDRV_PCM_RATE_88200 |\
+ SNDRV_PCM_RATE_96000 |\
+ SNDRV_PCM_RATE_176400 |\
+ SNDRV_PCM_RATE_192000)
+
+#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 mt7986_memif_dai_driver[] = {
+ /* FE DAIs: memory intefaces to CPU */
+ {
+ .name = "DL1",
+ .id = MT7986_MEMIF_DL1,
+ .playback = {
+ .stream_name = "DL1",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MTK_PCM_RATES,
+ .formats = MTK_PCM_FORMATS,
+ },
+ .ops = &mtk_afe_fe_ops,
+ },
+ {
+ .name = "UL1",
+ .id = MT7986_MEMIF_VUL12,
+ .capture = {
+ .stream_name = "UL1",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MTK_PCM_RATES,
+ .formats = MTK_PCM_FORMATS,
+ },
+ .ops = &mtk_afe_fe_ops,
+ },
+};
+
+static const struct snd_kcontrol_new o018_mix[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("I150_Switch", AFE_CONN018_4, 22, 1, 0),
+};
+
+static const struct snd_kcontrol_new o019_mix[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("I151_Switch", AFE_CONN019_4, 23, 1, 0),
+};
+
+static const struct snd_soc_dapm_widget mt7986_memif_widgets[] = {
+ /* DL */
+ SND_SOC_DAPM_MIXER("I032", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_MIXER("I033", SND_SOC_NOPM, 0, 0, NULL, 0),
+
+ /* UL */
+ SND_SOC_DAPM_MIXER("O018", SND_SOC_NOPM, 0, 0,
+ o018_mix, ARRAY_SIZE(o018_mix)),
+ SND_SOC_DAPM_MIXER("O019", SND_SOC_NOPM, 0, 0,
+ o019_mix, ARRAY_SIZE(o019_mix)),
+};
+
+static const struct snd_soc_dapm_route mt7986_memif_routes[] = {
+ {"I032", NULL, "DL1"},
+ {"I033", NULL, "DL1"},
+ {"UL1", NULL, "O018"},
+ {"UL1", NULL, "O019"},
+ {"O018", "I150_Switch", "I150"},
+ {"O019", "I151_Switch", "I151"},
+};
+
+static const struct snd_soc_component_driver mt7986_afe_pcm_dai_component = {
+ .name = "mt7986-afe-pcm-dai",
+};
+
+static const struct mtk_base_memif_data memif_data[MT7986_MEMIF_NUM] = {
+ [MT7986_MEMIF_DL1] = {
+ .name = "DL1",
+ .id = MT7986_MEMIF_DL1,
+ .reg_ofs_base = AFE_DL0_BASE,
+ .reg_ofs_cur = AFE_DL0_CUR,
+ .reg_ofs_end = AFE_DL0_END,
+ .reg_ofs_base_msb = AFE_DL0_BASE_MSB,
+ .reg_ofs_cur_msb = AFE_DL0_CUR_MSB,
+ .reg_ofs_end_msb = AFE_DL0_END_MSB,
+ .fs_reg = AFE_DL0_CON0,
+ .fs_shift = DL0_MODE_SFT,
+ .fs_maskbit = DL0_MODE_MASK,
+ .mono_reg = AFE_DL0_CON0,
+ .mono_shift = DL0_MONO_SFT,
+ .enable_reg = AFE_DL0_CON0,
+ .enable_shift = DL0_ON_SFT,
+ .hd_reg = AFE_DL0_CON0,
+ .hd_shift = DL0_HD_MODE_SFT,
+ .hd_align_reg = AFE_DL0_CON0,
+ .hd_align_mshift = DL0_HALIGN_SFT,
+ .pbuf_reg = AFE_DL0_CON0,
+ .pbuf_shift = DL0_PBUF_SIZE_SFT,
+ .minlen_reg = AFE_DL0_CON0,
+ .minlen_shift = DL0_MINLEN_SFT,
+ },
+ [MT7986_MEMIF_VUL12] = {
+ .name = "VUL12",
+ .id = MT7986_MEMIF_VUL12,
+ .reg_ofs_base = AFE_VUL0_BASE,
+ .reg_ofs_cur = AFE_VUL0_CUR,
+ .reg_ofs_end = AFE_VUL0_END,
+ .reg_ofs_base_msb = AFE_VUL0_BASE_MSB,
+ .reg_ofs_cur_msb = AFE_VUL0_CUR_MSB,
+ .reg_ofs_end_msb = AFE_VUL0_END_MSB,
+ .fs_reg = AFE_VUL0_CON0,
+ .fs_shift = VUL0_MODE_SFT,
+ .fs_maskbit = VUL0_MODE_MASK,
+ .mono_reg = AFE_VUL0_CON0,
+ .mono_shift = VUL0_MONO_SFT,
+ .enable_reg = AFE_VUL0_CON0,
+ .enable_shift = VUL0_ON_SFT,
+ .hd_reg = AFE_VUL0_CON0,
+ .hd_shift = VUL0_HD_MODE_SFT,
+ .hd_align_reg = AFE_VUL0_CON0,
+ .hd_align_mshift = VUL0_HALIGN_SFT,
+ },
+};
+
+static const struct mtk_base_irq_data irq_data[MT7986_IRQ_NUM] = {
+ [MT7986_IRQ_0] = {
+ .id = MT7986_IRQ_0,
+ .irq_cnt_reg = AFE_IRQ0_MCU_CFG1,
+ .irq_cnt_shift = AFE_IRQ_CNT_SHIFT,
+ .irq_cnt_maskbit = AFE_IRQ_CNT_MASK,
+ .irq_fs_reg = AFE_IRQ0_MCU_CFG0,
+ .irq_fs_shift = IRQ_MCU_MODE_SFT,
+ .irq_fs_maskbit = IRQ_MCU_MODE_MASK,
+ .irq_en_reg = AFE_IRQ0_MCU_CFG0,
+ .irq_en_shift = IRQ_MCU_ON_SFT,
+ .irq_clr_reg = AFE_IRQ_MCU_CLR,
+ .irq_clr_shift = IRQ0_MCU_CLR_SFT,
+ },
+ [MT7986_IRQ_1] = {
+ .id = MT7986_IRQ_1,
+ .irq_cnt_reg = AFE_IRQ1_MCU_CFG1,
+ .irq_cnt_shift = AFE_IRQ_CNT_SHIFT,
+ .irq_cnt_maskbit = AFE_IRQ_CNT_MASK,
+ .irq_fs_reg = AFE_IRQ1_MCU_CFG0,
+ .irq_fs_shift = IRQ_MCU_MODE_SFT,
+ .irq_fs_maskbit = IRQ_MCU_MODE_MASK,
+ .irq_en_reg = AFE_IRQ1_MCU_CFG0,
+ .irq_en_shift = IRQ_MCU_ON_SFT,
+ .irq_clr_reg = AFE_IRQ_MCU_CLR,
+ .irq_clr_shift = IRQ1_MCU_CLR_SFT,
+ },
+ [MT7986_IRQ_2] = {
+ .id = MT7986_IRQ_2,
+ .irq_cnt_reg = AFE_IRQ2_MCU_CFG1,
+ .irq_cnt_shift = AFE_IRQ_CNT_SHIFT,
+ .irq_cnt_maskbit = AFE_IRQ_CNT_MASK,
+ .irq_fs_reg = AFE_IRQ2_MCU_CFG0,
+ .irq_fs_shift = IRQ_MCU_MODE_SFT,
+ .irq_fs_maskbit = IRQ_MCU_MODE_MASK,
+ .irq_en_reg = AFE_IRQ2_MCU_CFG0,
+ .irq_en_shift = IRQ_MCU_ON_SFT,
+ .irq_clr_reg = AFE_IRQ_MCU_CLR,
+ .irq_clr_shift = IRQ2_MCU_CLR_SFT,
+ },
+};
+
+static bool mt7986_is_volatile_reg(struct device *dev, unsigned int reg)
+{
+ /*
+ * Those auto-gen regs are read-only, so put it as volatile because
+ * volatile registers cannot be cached, which means that they cannot
+ * be set when power is off
+ */
+
+ switch (reg) {
+ case AFE_DL0_CUR_MSB:
+ case AFE_DL0_CUR:
+ case AFE_DL0_RCH_MON:
+ case AFE_DL0_LCH_MON:
+ case AFE_VUL0_CUR_MSB:
+ case AFE_VUL0_CUR:
+ case AFE_IRQ_MCU_STATUS:
+ case AFE_MEMIF_RD_MON:
+ case AFE_MEMIF_WR_MON:
+ return true;
+ default:
+ return false;
+ };
+}
+
+static const struct regmap_config mt7986_afe_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .volatile_reg = mt7986_is_volatile_reg,
+ .max_register = AFE_MAX_REGISTER,
+ .num_reg_defaults_raw = ((AFE_MAX_REGISTER / 4) + 1),
+};
+
+static int mt7986_init_clock(struct mtk_base_afe *afe)
+{
+ struct mt7986_afe_private *afe_priv = afe->platform_priv;
+ int ret, i;
+
+ afe_priv->clks = devm_kcalloc(afe->dev, CLK_NUM,
+ sizeof(*afe_priv->clks), GFP_KERNEL);
+ if (!afe_priv->clks)
+ return -ENOMEM;
+ afe_priv->num_clks = CLK_NUM;
+
+ for (i = 0; i < afe_priv->num_clks; i++)
+ afe_priv->clks[i].id = aud_clks[i];
+
+ ret = devm_clk_bulk_get(afe->dev, afe_priv->num_clks, afe_priv->clks);
+ if (ret) {
+ dev_err(afe->dev, "Failed to get clocks\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static irqreturn_t mt7986_afe_irq_handler(int irq_id, void *dev)
+{
+ struct mtk_base_afe *afe = dev;
+ struct mtk_base_afe_irq *irq;
+ u32 mcu_en, status, status_mcu;
+ int i, ret;
+ irqreturn_t irq_ret = IRQ_HANDLED;
+
+ /* get irq that is sent to MCU */
+ regmap_read(afe->regmap, AFE_IRQ_MCU_EN, &mcu_en);
+
+ ret = regmap_read(afe->regmap, AFE_IRQ_MCU_STATUS, &status);
+ /* only care IRQ which is sent to MCU */
+ status_mcu = status & mcu_en & AFE_IRQ_STATUS_BITS;
+
+ if (ret || status_mcu == 0) {
+ dev_err(afe->dev, "%s(), irq status err, ret %d, status 0x%x, mcu_en 0x%x\n",
+ __func__, ret, status, mcu_en);
+
+ irq_ret = IRQ_NONE;
+ goto err_irq;
+ }
+
+ for (i = 0; i < MT7986_MEMIF_NUM; i++) {
+ struct mtk_base_afe_memif *memif = &afe->memif[i];
+
+ if (!memif->substream)
+ continue;
+
+ if (memif->irq_usage < 0)
+ continue;
+
+ irq = &afe->irqs[memif->irq_usage];
+
+ if (status_mcu & (1 << irq->irq_data->irq_en_shift))
+ snd_pcm_period_elapsed(memif->substream);
+ }
+
+err_irq:
+ /* clear irq */
+ regmap_write(afe->regmap, AFE_IRQ_MCU_CLR, status_mcu);
+
+ return irq_ret;
+}
+
+static int mt7986_afe_runtime_suspend(struct device *dev)
+{
+ struct mtk_base_afe *afe = dev_get_drvdata(dev);
+ struct mt7986_afe_private *afe_priv = afe->platform_priv;
+
+ if (!afe->regmap || afe_priv->pm_runtime_bypass_reg_ctl)
+ goto skip_regmap;
+
+ /* disable clk*/
+ regmap_update_bits(afe->regmap, AUDIO_TOP_CON4, 0x3fff, 0x3fff);
+ regmap_update_bits(afe->regmap, AUDIO_ENGEN_CON0, AUD_APLL2_EN_MASK, 0);
+ regmap_update_bits(afe->regmap, AUDIO_ENGEN_CON0, AUD_26M_EN_MASK, 0);
+
+ /* make sure all irq status are cleared, twice intended */
+ regmap_update_bits(afe->regmap, AFE_IRQ_MCU_CLR, 0xffff, 0xffff);
+
+skip_regmap:
+ clk_bulk_disable_unprepare(afe_priv->num_clks, afe_priv->clks);
+
+ return 0;
+}
+
+static int mt7986_afe_runtime_resume(struct device *dev)
+{
+ struct mtk_base_afe *afe = dev_get_drvdata(dev);
+ struct mt7986_afe_private *afe_priv = afe->platform_priv;
+ int ret;
+
+ ret = clk_bulk_prepare_enable(afe_priv->num_clks, afe_priv->clks);
+ if (ret) {
+ dev_err(afe->dev, "Failed to enable clocks\n");
+ return ret;
+ }
+
+ if (!afe->regmap || afe_priv->pm_runtime_bypass_reg_ctl)
+ return 0;
+
+ /* enable clk*/
+ regmap_update_bits(afe->regmap, AUDIO_TOP_CON4, 0x3fff, 0);
+ regmap_update_bits(afe->regmap, AUDIO_ENGEN_CON0, AUD_APLL2_EN_MASK,
+ AUD_APLL2_EN);
+ regmap_update_bits(afe->regmap, AUDIO_ENGEN_CON0, AUD_26M_EN_MASK,
+ AUD_26M_EN);
+
+ return 0;
+}
+
+static int mt7986_afe_component_probe(struct snd_soc_component *component)
+{
+ return mtk_afe_add_sub_dai_control(component);
+}
+
+static const struct snd_soc_component_driver mt7986_afe_component = {
+ .name = AFE_PCM_NAME,
+ .ops = &mtk_afe_pcm_ops,
+ .pcm_new = mtk_afe_pcm_new,
+ .pcm_free = mtk_afe_pcm_free,
+ .probe = mt7986_afe_component_probe,
+};
+
+static int mt7986_dai_memif_register(struct mtk_base_afe *afe)
+{
+ 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 = mt7986_memif_dai_driver;
+ dai->num_dai_drivers = ARRAY_SIZE(mt7986_memif_dai_driver);
+
+ dai->dapm_widgets = mt7986_memif_widgets;
+ dai->num_dapm_widgets = ARRAY_SIZE(mt7986_memif_widgets);
+ dai->dapm_routes = mt7986_memif_routes;
+ dai->num_dapm_routes = ARRAY_SIZE(mt7986_memif_routes);
+
+ return 0;
+}
+
+typedef int (*dai_register_cb)(struct mtk_base_afe *);
+static const dai_register_cb dai_register_cbs[] = {
+ mt7986_dai_etdm_register,
+ mt7986_dai_memif_register,
+};
+
+static int mt7986_afe_pcm_dev_probe(struct platform_device *pdev)
+{
+ struct mtk_base_afe *afe;
+ struct mt7986_afe_private *afe_priv;
+ struct device *dev;
+ int i, irq_id, ret;
+
+ afe = devm_kzalloc(&pdev->dev, sizeof(*afe), GFP_KERNEL);
+ if (!afe)
+ return -ENOMEM;
+ platform_set_drvdata(pdev, afe);
+
+ afe->platform_priv = devm_kzalloc(&pdev->dev, sizeof(*afe_priv),
+ GFP_KERNEL);
+ if (!afe->platform_priv)
+ return -ENOMEM;
+
+ afe_priv = afe->platform_priv;
+ afe->dev = &pdev->dev;
+ dev = afe->dev;
+
+ afe->base_addr = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(afe->base_addr))
+ return PTR_ERR(afe->base_addr);
+
+ /* initial audio related clock */
+ ret = mt7986_init_clock(afe);
+ if (ret) {
+ dev_err(dev, "Cannot initialize clocks\n");
+ return ret;
+ }
+
+ pm_runtime_enable(dev);
+
+ /* enable clock for regcache get default value from hw */
+ afe_priv->pm_runtime_bypass_reg_ctl = true;
+ pm_runtime_get_sync(&pdev->dev);
+
+ afe->regmap = devm_regmap_init_mmio(&pdev->dev, afe->base_addr,
+ &mt7986_afe_regmap_config);
+
+ pm_runtime_put_sync(&pdev->dev);
+ if (IS_ERR(afe->regmap))
+ return PTR_ERR(afe->regmap);
+
+ afe_priv->pm_runtime_bypass_reg_ctl = false;
+
+ /* init memif */
+ afe->memif_size = MT7986_MEMIF_NUM;
+ afe->memif = devm_kcalloc(dev, afe->memif_size, sizeof(*afe->memif),
+ GFP_KERNEL);
+ if (!afe->memif)
+ return -ENOMEM;
+
+ for (i = 0; i < afe->memif_size; i++) {
+ afe->memif[i].data = &memif_data[i];
+ afe->memif[i].irq_usage = -1;
+ }
+
+ mutex_init(&afe->irq_alloc_lock);
+
+ /* irq initialize */
+ afe->irqs_size = MT7986_IRQ_NUM;
+ afe->irqs = devm_kcalloc(dev, afe->irqs_size, sizeof(*afe->irqs),
+ GFP_KERNEL);
+ if (!afe->irqs)
+ return -ENOMEM;
+
+ for (i = 0; i < afe->irqs_size; i++)
+ afe->irqs[i].irq_data = &irq_data[i];
+
+ /* request irq */
+ irq_id = platform_get_irq(pdev, 0);
+ if (irq_id < 0) {
+ ret = irq_id;
+ dev_err(dev, "No irq found\n");
+ return ret;
+ }
+ ret = devm_request_irq(dev, irq_id, mt7986_afe_irq_handler,
+ IRQF_TRIGGER_NONE, "asys-isr", (void *)afe);
+ if (ret) {
+ dev_err(dev, "Failed to request irq for asys-isr\n");
+ return ret;
+ }
+
+ /* init sub_dais */
+ INIT_LIST_HEAD(&afe->sub_dais);
+
+ for (i = 0; i < ARRAY_SIZE(dai_register_cbs); i++) {
+ ret = dai_register_cbs[i](afe);
+ if (ret) {
+ dev_err(dev, "DAI register failed, i: %d\n", i);
+ return ret;
+ }
+ }
+
+ /* init dai_driver and component_driver */
+ ret = mtk_afe_combine_sub_dai(afe);
+ if (ret) {
+ dev_err(dev, "mtk_afe_combine_sub_dai fail\n");
+ return ret;
+ }
+
+ afe->mtk_afe_hardware = &mt7986_afe_hardware;
+ afe->memif_fs = mt7986_memif_fs;
+ afe->irq_fs = mt7986_irq_fs;
+
+ afe->runtime_resume = mt7986_afe_runtime_resume;
+ afe->runtime_suspend = mt7986_afe_runtime_suspend;
+
+ /* register component */
+ ret = devm_snd_soc_register_component(&pdev->dev,
+ &mt7986_afe_component,
+ NULL, 0);
+ if (ret) {
+ dev_err(dev, "Cannot register AFE component\n");
+ return ret;
+ }
+
+ ret = devm_snd_soc_register_component(afe->dev,
+ &mt7986_afe_pcm_dai_component,
+ afe->dai_drivers,
+ afe->num_dai_drivers);
+ if (ret) {
+ dev_err(dev, "Cannot register PCM DAI component\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static int mt7986_afe_pcm_dev_remove(struct platform_device *pdev)
+{
+ pm_runtime_disable(&pdev->dev);
+ if (!pm_runtime_status_suspended(&pdev->dev))
+ mt7986_afe_runtime_suspend(&pdev->dev);
+
+ return 0;
+}
+
+static const struct of_device_id mt7986_afe_pcm_dt_match[] = {
+ { .compatible = "mediatek,mt7986-afe" },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, mt7986_afe_pcm_dt_match);
+
+static const struct dev_pm_ops mt7986_afe_pm_ops = {
+ SET_RUNTIME_PM_OPS(mt7986_afe_runtime_suspend,
+ mt7986_afe_runtime_resume, NULL)
+};
+
+static struct platform_driver mt7986_afe_pcm_driver = {
+ .driver = {
+ .name = "mt7986-audio",
+ .of_match_table = mt7986_afe_pcm_dt_match,
+ .pm = &mt7986_afe_pm_ops,
+ },
+ .probe = mt7986_afe_pcm_dev_probe,
+ .remove = mt7986_afe_pcm_dev_remove,
+};
+module_platform_driver(mt7986_afe_pcm_driver);
+
+MODULE_DESCRIPTION("MediaTek SoC AFE platform driver for ALSA MT7986");
+MODULE_AUTHOR("Vic Wu <vic.wu@mediatek.com>");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/mediatek/mt7986/mt7986-dai-etdm.c b/sound/soc/mediatek/mt7986/mt7986-dai-etdm.c
new file mode 100644
index 0000000..192f55a
--- /dev/null
+++ b/sound/soc/mediatek/mt7986/mt7986-dai-etdm.c
@@ -0,0 +1,428 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * MediaTek ALSA SoC Audio DAI eTDM Control
+ *
+ * Copyright (c) 2023 MediaTek Inc.
+ * Authors: Vic Wu <vic.wu@mediatek.com>
+ * Maso Huang <maso.huang@mediatek.com>
+ */
+
+#include <linux/bitfield.h>
+#include <linux/bitops.h>
+#include <linux/regmap.h>
+#include <sound/pcm_params.h>
+#include "mt7986-afe-common.h"
+#include "mt7986-reg.h"
+
+#define HOPPING_CLK 0
+#define APLL_CLK 1
+#define MTK_DAI_ETDM_FORMAT_I2S 0
+#define MTK_DAI_ETDM_FORMAT_DSPA 4
+#define MTK_DAI_ETDM_FORMAT_DSPB 5
+
+enum {
+ MTK_ETDM_RATE_8K = 0,
+ MTK_ETDM_RATE_12K = 1,
+ MTK_ETDM_RATE_16K = 2,
+ MTK_ETDM_RATE_24K = 3,
+ MTK_ETDM_RATE_32K = 4,
+ MTK_ETDM_RATE_48K = 5,
+ MTK_ETDM_RATE_96K = 7,
+ MTK_ETDM_RATE_192K = 9,
+ MTK_ETDM_RATE_11K = 16,
+ MTK_ETDM_RATE_22K = 17,
+ MTK_ETDM_RATE_44K = 18,
+ MTK_ETDM_RATE_88K = 19,
+ MTK_ETDM_RATE_176K = 20,
+};
+
+struct mtk_dai_etdm_priv {
+ bool bck_inv;
+ bool lrck_inv;
+ bool slave_mode;
+ unsigned int format;
+};
+
+static unsigned int mt7986_etdm_rate_transform(struct device *dev, unsigned int rate)
+{
+ switch (rate) {
+ case 8000:
+ return MTK_ETDM_RATE_8K;
+ case 11025:
+ return MTK_ETDM_RATE_11K;
+ case 12000:
+ return MTK_ETDM_RATE_12K;
+ case 16000:
+ return MTK_ETDM_RATE_16K;
+ case 22050:
+ return MTK_ETDM_RATE_22K;
+ case 24000:
+ return MTK_ETDM_RATE_24K;
+ case 32000:
+ return MTK_ETDM_RATE_32K;
+ case 44100:
+ return MTK_ETDM_RATE_44K;
+ case 48000:
+ return MTK_ETDM_RATE_48K;
+ case 88200:
+ return MTK_ETDM_RATE_88K;
+ case 96000:
+ return MTK_ETDM_RATE_96K;
+ case 176400:
+ return MTK_ETDM_RATE_176K;
+ case 192000:
+ return MTK_ETDM_RATE_192K;
+ default:
+ dev_warn(dev, "%s(), rate %u invalid, using %d!!!\n",
+ __func__, rate, MTK_ETDM_RATE_48K);
+ return MTK_ETDM_RATE_48K;
+ }
+}
+
+static int get_etdm_wlen(unsigned int bitwidth)
+{
+ return bitwidth <= 16 ? 16 : 32;
+}
+
+/* dai component */
+/* interconnection */
+
+static const struct snd_kcontrol_new o124_mix[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("I032_Switch", AFE_CONN124_1, 0, 1, 0),
+};
+
+static const struct snd_kcontrol_new o125_mix[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("I033_Switch", AFE_CONN125_1, 1, 1, 0),
+};
+
+static const struct snd_soc_dapm_widget mtk_dai_etdm_widgets[] = {
+
+ /* DL */
+ SND_SOC_DAPM_MIXER("I150", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_MIXER("I151", SND_SOC_NOPM, 0, 0, NULL, 0),
+ /* UL */
+ SND_SOC_DAPM_MIXER("O124", SND_SOC_NOPM, 0, 0, o124_mix, ARRAY_SIZE(o124_mix)),
+ SND_SOC_DAPM_MIXER("O125", SND_SOC_NOPM, 0, 0, o125_mix, ARRAY_SIZE(o125_mix)),
+};
+
+static const struct snd_soc_dapm_route mtk_dai_etdm_routes[] = {
+ {"I150", NULL, "ETDM Capture"},
+ {"I151", NULL, "ETDM Capture"},
+ {"ETDM Playback", NULL, "O124"},
+ {"ETDM Playback", NULL, "O125"},
+ {"O124", "I032_Switch", "I032"},
+ {"O125", "I033_Switch", "I033"},
+};
+
+/* dai ops */
+static int mtk_dai_etdm_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
+ struct mt7986_afe_private *afe_priv = afe->platform_priv;
+ int ret;
+
+ ret = clk_bulk_prepare_enable(afe_priv->num_clks, afe_priv->clks);
+ if (ret) {
+ dev_err(afe->dev, "Failed to enable clocks\n");
+ return ret;
+ }
+
+ regmap_update_bits(afe->regmap, AUDIO_TOP_CON2, CLK_OUT5_PDN_MASK, 0);
+ regmap_update_bits(afe->regmap, AUDIO_TOP_CON2, CLK_IN5_PDN_MASK, 0);
+
+ return 0;
+}
+
+static void mtk_dai_etdm_shutdown(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
+ struct mt7986_afe_private *afe_priv = afe->platform_priv;
+
+ regmap_update_bits(afe->regmap, AUDIO_TOP_CON2, CLK_OUT5_PDN_MASK,
+ CLK_OUT5_PDN);
+ regmap_update_bits(afe->regmap, AUDIO_TOP_CON2, CLK_IN5_PDN_MASK,
+ CLK_IN5_PDN);
+
+ clk_bulk_disable_unprepare(afe_priv->num_clks, afe_priv->clks);
+}
+
+static unsigned int get_etdm_ch_fixup(unsigned int channels)
+{
+ if (channels > 16)
+ return 24;
+ else if (channels > 8)
+ return 16;
+ else if (channels > 4)
+ return 8;
+ else if (channels > 2)
+ return 4;
+ else
+ return 2;
+}
+
+static int mtk_dai_etdm_config(struct mtk_base_afe *afe,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai,
+ int stream)
+{
+ struct mt7986_afe_private *afe_priv = afe->platform_priv;
+ struct mtk_dai_etdm_priv *etdm_data = afe_priv->dai_priv[dai->id];
+ unsigned int rate = params_rate(params);
+ unsigned int etdm_rate = mt7986_etdm_rate_transform(afe->dev, rate);
+ unsigned int afe_rate = mt7986_afe_rate_transform(afe->dev, rate);
+ unsigned int channels = params_channels(params);
+ unsigned int bit_width = params_width(params);
+ unsigned int wlen = get_etdm_wlen(bit_width);
+ unsigned int val = 0;
+ unsigned int mask = 0;
+
+ dev_dbg(afe->dev, "%s(), stream %d, rate %u, bitwidth %u\n",
+ __func__, stream, rate, bit_width);
+
+ /* CON0 */
+ mask |= ETDM_BIT_LEN_MASK;
+ val |= FIELD_PREP(ETDM_BIT_LEN_MASK, bit_width - 1);
+ mask |= ETDM_WRD_LEN_MASK;
+ val |= FIELD_PREP(ETDM_WRD_LEN_MASK, wlen - 1);
+ mask |= ETDM_FMT_MASK;
+ val |= FIELD_PREP(ETDM_FMT_MASK, etdm_data->format);
+ mask |= ETDM_CH_NUM_MASK;
+ val |= FIELD_PREP(ETDM_CH_NUM_MASK, get_etdm_ch_fixup(channels) - 1);
+ mask |= RELATCH_SRC_MASK;
+ val |= FIELD_PREP(RELATCH_SRC_MASK, APLL_CLK);
+
+ switch (stream) {
+ case SNDRV_PCM_STREAM_PLAYBACK:
+ /* set ETDM_OUT5_CON0 */
+ regmap_update_bits(afe->regmap, ETDM_OUT5_CON0, mask, val);
+
+ /* set ETDM_OUT5_CON4 */
+ regmap_update_bits(afe->regmap, ETDM_OUT5_CON4,
+ OUT_RELATCH_MASK, OUT_RELATCH(afe_rate));
+ regmap_update_bits(afe->regmap, ETDM_OUT5_CON4,
+ OUT_CLK_SRC_MASK, OUT_CLK_SRC(APLL_CLK));
+ regmap_update_bits(afe->regmap, ETDM_OUT5_CON4,
+ OUT_SEL_FS_MASK, OUT_SEL_FS(etdm_rate));
+
+ /* set ETDM_OUT5_CON5 */
+ regmap_update_bits(afe->regmap, ETDM_OUT5_CON5,
+ ETDM_CLK_DIV_MASK, ETDM_CLK_DIV);
+ break;
+ case SNDRV_PCM_STREAM_CAPTURE:
+ /* set ETDM_IN5_CON0 */
+ regmap_update_bits(afe->regmap, ETDM_IN5_CON0, mask, val);
+ regmap_update_bits(afe->regmap, ETDM_IN5_CON0,
+ ETDM_SYNC_MASK, ETDM_SYNC);
+
+ /* set ETDM_IN5_CON2 */
+ regmap_update_bits(afe->regmap, ETDM_IN5_CON2,
+ IN_CLK_SRC_MASK, IN_CLK_SRC(APLL_CLK));
+
+ /* set ETDM_IN5_CON3 */
+ regmap_update_bits(afe->regmap, ETDM_IN5_CON3,
+ IN_SEL_FS_MASK, IN_SEL_FS(etdm_rate));
+
+ /* set ETDM_IN5_CON4 */
+ regmap_update_bits(afe->regmap, ETDM_IN5_CON4,
+ IN_RELATCH_MASK, IN_RELATCH(afe_rate));
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static int mtk_dai_etdm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ unsigned int rate = params_rate(params);
+ struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
+
+ switch (rate) {
+ case 8000:
+ case 12000:
+ case 16000:
+ case 24000:
+ case 32000:
+ case 48000:
+ case 96000:
+ case 192000:
+ mtk_dai_etdm_config(afe, params, dai, SNDRV_PCM_STREAM_PLAYBACK);
+ mtk_dai_etdm_config(afe, params, dai, SNDRV_PCM_STREAM_CAPTURE);
+ return 0;
+ default:
+ dev_err(afe->dev,
+ "Sample rate %d invalid. Supported rates: 8/12/16/24/32/48/96/192 kHz\n",
+ rate);
+ return -EINVAL;
+ }
+}
+
+static int mtk_dai_etdm_trigger(struct snd_pcm_substream *substream, int cmd,
+ struct snd_soc_dai *dai)
+{
+ struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
+
+ dev_dbg(afe->dev, "%s(), cmd %d, dai id %d\n", __func__, cmd, dai->id);
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_RESUME:
+ regmap_update_bits(afe->regmap, ETDM_IN5_CON0, ETDM_EN_MASK,
+ ETDM_EN);
+ regmap_update_bits(afe->regmap, ETDM_OUT5_CON0, ETDM_EN_MASK,
+ ETDM_EN);
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ regmap_update_bits(afe->regmap, ETDM_IN5_CON0, ETDM_EN_MASK,
+ 0);
+ regmap_update_bits(afe->regmap, ETDM_OUT5_CON0, ETDM_EN_MASK,
+ 0);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static int mtk_dai_etdm_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+ struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
+ struct mt7986_afe_private *afe_priv = afe->platform_priv;
+ struct mtk_dai_etdm_priv *etdm_data;
+ void *priv_data;
+
+ switch (dai->id) {
+ case MT7986_DAI_ETDM:
+ break;
+ default:
+ dev_warn(afe->dev, "%s(), id %d not support\n",
+ __func__, dai->id);
+ return -EINVAL;
+ }
+
+ priv_data = devm_kzalloc(afe->dev, sizeof(struct mtk_dai_etdm_priv),
+ GFP_KERNEL);
+ if (!priv_data)
+ return -ENOMEM;
+
+ afe_priv->dai_priv[dai->id] = priv_data;
+ etdm_data = afe_priv->dai_priv[dai->id];
+
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ etdm_data->format = MTK_DAI_ETDM_FORMAT_I2S;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ etdm_data->format = MTK_DAI_ETDM_FORMAT_DSPA;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ etdm_data->format = MTK_DAI_ETDM_FORMAT_DSPB;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ etdm_data->bck_inv = false;
+ etdm_data->lrck_inv = false;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ etdm_data->bck_inv = false;
+ etdm_data->lrck_inv = true;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ etdm_data->bck_inv = true;
+ etdm_data->lrck_inv = false;
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ etdm_data->bck_inv = true;
+ etdm_data->lrck_inv = true;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ etdm_data->slave_mode = true;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ etdm_data->slave_mode = false;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static const struct snd_soc_dai_ops mtk_dai_etdm_ops = {
+ .startup = mtk_dai_etdm_startup,
+ .shutdown = mtk_dai_etdm_shutdown,
+ .hw_params = mtk_dai_etdm_hw_params,
+ .trigger = mtk_dai_etdm_trigger,
+ .set_fmt = mtk_dai_etdm_set_fmt,
+};
+
+/* dai driver */
+#define MTK_ETDM_RATES (SNDRV_PCM_RATE_8000_48000 |\
+ SNDRV_PCM_RATE_88200 |\
+ SNDRV_PCM_RATE_96000 |\
+ SNDRV_PCM_RATE_176400 |\
+ SNDRV_PCM_RATE_192000)
+
+#define MTK_ETDM_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
+ SNDRV_PCM_FMTBIT_S24_LE |\
+ SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_driver mtk_dai_etdm_driver[] = {
+ {
+ .name = "ETDM",
+ .id = MT7986_DAI_ETDM,
+ .capture = {
+ .stream_name = "ETDM Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MTK_ETDM_RATES,
+ .formats = MTK_ETDM_FORMATS,
+ },
+ .playback = {
+ .stream_name = "ETDM Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MTK_ETDM_RATES,
+ .formats = MTK_ETDM_FORMATS,
+ },
+ .ops = &mtk_dai_etdm_ops,
+ .symmetric_rates = 1,
+ .symmetric_samplebits = 1,
+ },
+};
+
+int mt7986_dai_etdm_register(struct mtk_base_afe *afe)
+{
+ 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_etdm_driver;
+ dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_etdm_driver);
+
+ dai->dapm_widgets = mtk_dai_etdm_widgets;
+ dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_etdm_widgets);
+ dai->dapm_routes = mtk_dai_etdm_routes;
+ dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_etdm_routes);
+
+ return 0;
+}
diff --git a/sound/soc/mediatek/mt7986/mt7986-reg.h b/sound/soc/mediatek/mt7986/mt7986-reg.h
new file mode 100644
index 0000000..c2b2007
--- /dev/null
+++ b/sound/soc/mediatek/mt7986/mt7986-reg.h
@@ -0,0 +1,196 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * mt7986-reg.h -- MediaTek 7986 audio driver reg definition
+ *
+ * Copyright (c) 2023 MediaTek Inc.
+ * Authors: Vic Wu <vic.wu@mediatek.com>
+ * Maso Huang <maso.huang@mediatek.com>
+ */
+
+#ifndef _MT7986_REG_H_
+#define _MT7986_REG_H_
+
+#define AUDIO_TOP_CON2 0x0008
+#define AUDIO_TOP_CON4 0x0010
+#define AUDIO_ENGEN_CON0 0x0014
+#define AFE_IRQ_MCU_EN 0x0100
+#define AFE_IRQ_MCU_STATUS 0x0120
+#define AFE_IRQ_MCU_CLR 0x0128
+#define AFE_IRQ0_MCU_CFG0 0x0140
+#define AFE_IRQ0_MCU_CFG1 0x0144
+#define AFE_IRQ1_MCU_CFG0 0x0148
+#define AFE_IRQ1_MCU_CFG1 0x014c
+#define AFE_IRQ2_MCU_CFG0 0x0150
+#define AFE_IRQ2_MCU_CFG1 0x0154
+#define ETDM_IN5_CON0 0x13f0
+#define ETDM_IN5_CON1 0x13f4
+#define ETDM_IN5_CON2 0x13f8
+#define ETDM_IN5_CON3 0x13fc
+#define ETDM_IN5_CON4 0x1400
+#define ETDM_OUT5_CON0 0x1570
+#define ETDM_OUT5_CON4 0x1580
+#define ETDM_OUT5_CON5 0x1584
+#define ETDM_4_7_COWORK_CON0 0x15e0
+#define ETDM_4_7_COWORK_CON1 0x15e4
+#define AFE_CONN018_1 0x1b44
+#define AFE_CONN018_4 0x1b50
+#define AFE_CONN019_1 0x1b64
+#define AFE_CONN019_4 0x1b70
+#define AFE_CONN124_1 0x2884
+#define AFE_CONN124_4 0x2890
+#define AFE_CONN125_1 0x28a4
+#define AFE_CONN125_4 0x28b0
+#define AFE_CONN_RS_0 0x3920
+#define AFE_CONN_RS_3 0x392c
+#define AFE_CONN_16BIT_0 0x3960
+#define AFE_CONN_16BIT_3 0x396c
+#define AFE_CONN_24BIT_0 0x3980
+#define AFE_CONN_24BIT_3 0x398c
+#define AFE_MEMIF_CON0 0x3d98
+#define AFE_MEMIF_RD_MON 0x3da0
+#define AFE_MEMIF_WR_MON 0x3da4
+#define AFE_DL0_BASE_MSB 0x3e40
+#define AFE_DL0_BASE 0x3e44
+#define AFE_DL0_CUR_MSB 0x3e48
+#define AFE_DL0_CUR 0x3e4c
+#define AFE_DL0_END_MSB 0x3e50
+#define AFE_DL0_END 0x3e54
+#define AFE_DL0_RCH_MON 0x3e58
+#define AFE_DL0_LCH_MON 0x3e5c
+#define AFE_DL0_CON0 0x3e60
+#define AFE_VUL0_BASE_MSB 0x4220
+#define AFE_VUL0_BASE 0x4224
+#define AFE_VUL0_CUR_MSB 0x4228
+#define AFE_VUL0_CUR 0x422c
+#define AFE_VUL0_END_MSB 0x4230
+#define AFE_VUL0_END 0x4234
+#define AFE_VUL0_CON0 0x4238
+
+#define AFE_MAX_REGISTER AFE_VUL0_CON0
+#define AFE_IRQ_STATUS_BITS 0x7
+#define AFE_IRQ_CNT_SHIFT 0
+#define AFE_IRQ_CNT_MASK 0xffffff
+
+/* AUDIO_TOP_CON2 */
+#define CLK_OUT5_PDN BIT(14)
+#define CLK_OUT5_PDN_MASK BIT(14)
+#define CLK_IN5_PDN BIT(7)
+#define CLK_IN5_PDN_MASK BIT(7)
+
+/* AUDIO_TOP_CON4 */
+#define PDN_APLL_TUNER2 BIT(12)
+#define PDN_APLL_TUNER2_MASK BIT(12)
+
+/* AUDIO_ENGEN_CON0 */
+#define AUD_APLL2_EN BIT(3)
+#define AUD_APLL2_EN_MASK BIT(3)
+#define AUD_26M_EN BIT(0)
+#define AUD_26M_EN_MASK BIT(0)
+
+/* AFE_DL0_CON0 */
+#define DL0_ON_SFT 28
+#define DL0_ON_MASK 0x1
+#define DL0_ON_MASK_SFT BIT(28)
+#define DL0_MINLEN_SFT 20
+#define DL0_MINLEN_MASK 0xf
+#define DL0_MINLEN_MASK_SFT (0xf << 20)
+#define DL0_MODE_SFT 8
+#define DL0_MODE_MASK 0x1f
+#define DL0_MODE_MASK_SFT (0x1f << 8)
+#define DL0_PBUF_SIZE_SFT 5
+#define DL0_PBUF_SIZE_MASK 0x3
+#define DL0_PBUF_SIZE_MASK_SFT (0x3 << 5)
+#define DL0_MONO_SFT 4
+#define DL0_MONO_MASK 0x1
+#define DL0_MONO_MASK_SFT BIT(4)
+#define DL0_HALIGN_SFT 2
+#define DL0_HALIGN_MASK 0x1
+#define DL0_HALIGN_MASK_SFT BIT(2)
+#define DL0_HD_MODE_SFT 0
+#define DL0_HD_MODE_MASK 0x3
+#define DL0_HD_MODE_MASK_SFT (0x3 << 0)
+
+/* AFE_VUL0_CON0 */
+#define VUL0_ON_SFT 28
+#define VUL0_ON_MASK 0x1
+#define VUL0_ON_MASK_SFT BIT(28)
+#define VUL0_MODE_SFT 8
+#define VUL0_MODE_MASK 0x1f
+#define VUL0_MODE_MASK_SFT (0x1f << 8)
+#define VUL0_MONO_SFT 4
+#define VUL0_MONO_MASK 0x1
+#define VUL0_MONO_MASK_SFT BIT(4)
+#define VUL0_HALIGN_SFT 2
+#define VUL0_HALIGN_MASK 0x1
+#define VUL0_HALIGN_MASK_SFT BIT(2)
+#define VUL0_HD_MODE_SFT 0
+#define VUL0_HD_MODE_MASK 0x3
+#define VUL0_HD_MODE_MASK_SFT (0x3 << 0)
+
+/* AFE_IRQ_MCU_CON */
+#define IRQ_MCU_MODE_SFT 4
+#define IRQ_MCU_MODE_MASK 0x1f
+#define IRQ_MCU_MODE_MASK_SFT (0x1f << 4)
+#define IRQ_MCU_ON_SFT 0
+#define IRQ_MCU_ON_MASK 0x1
+#define IRQ_MCU_ON_MASK_SFT BIT(0)
+#define IRQ0_MCU_CLR_SFT 0
+#define IRQ0_MCU_CLR_MASK 0x1
+#define IRQ0_MCU_CLR_MASK_SFT BIT(0)
+#define IRQ1_MCU_CLR_SFT 1
+#define IRQ1_MCU_CLR_MASK 0x1
+#define IRQ1_MCU_CLR_MASK_SFT BIT(1)
+#define IRQ2_MCU_CLR_SFT 2
+#define IRQ2_MCU_CLR_MASK 0x1
+#define IRQ2_MCU_CLR_MASK_SFT BIT(2)
+
+/* ETDM_IN5_CON2 */
+#define IN_CLK_SRC(x) ((x) << 10)
+#define IN_CLK_SRC_SFT 10
+#define IN_CLK_SRC_MASK GENMASK(12, 10)
+
+/* ETDM_IN5_CON3 */
+#define IN_SEL_FS(x) ((x) << 26)
+#define IN_SEL_FS_SFT 26
+#define IN_SEL_FS_MASK GENMASK(30, 26)
+
+/* ETDM_IN5_CON4 */
+#define IN_RELATCH(x) ((x) << 20)
+#define IN_RELATCH_SFT 20
+#define IN_RELATCH_MASK GENMASK(24, 20)
+#define IN_CLK_INV BIT(18)
+#define IN_CLK_INV_MASK BIT(18)
+
+/* ETDM_IN5_CON0 & ETDM_OUT5_CON0 */
+#define RELATCH_SRC_MASK GENMASK(30, 28)
+#define ETDM_CH_NUM_MASK GENMASK(27, 23)
+#define ETDM_WRD_LEN_MASK GENMASK(20, 16)
+#define ETDM_BIT_LEN_MASK GENMASK(15, 11)
+#define ETDM_FMT_MASK GENMASK(8, 6)
+#define ETDM_SYNC BIT(1)
+#define ETDM_SYNC_MASK BIT(1)
+#define ETDM_EN BIT(0)
+#define ETDM_EN_MASK BIT(0)
+
+/* ETDM_OUT5_CON4 */
+#define OUT_RELATCH(x) ((x) << 24)
+#define OUT_RELATCH_SFT 24
+#define OUT_RELATCH_MASK GENMASK(28, 24)
+#define OUT_CLK_SRC(x) ((x) << 6)
+#define OUT_CLK_SRC_SFT 6
+#define OUT_CLK_SRC_MASK GENMASK(8, 6)
+#define OUT_SEL_FS(x) (x)
+#define OUT_SEL_FS_SFT 0
+#define OUT_SEL_FS_MASK GENMASK(4, 0)
+
+/* ETDM_OUT5_CON5 */
+#define ETDM_CLK_DIV BIT(12)
+#define ETDM_CLK_DIV_MASK BIT(12)
+#define OUT_CLK_INV BIT(9)
+#define OUT_CLK_INV_MASK BIT(9)
+
+/* ETDM_4_7_COWORK_CON0 */
+#define OUT_SEL(x) ((x) << 12)
+#define OUT_SEL_SFT 12
+#define OUT_SEL_MASK GENMASK(15, 12)
+#endif
diff --git a/sound/soc/mediatek/mt7986/mt7986-wm8960.c b/sound/soc/mediatek/mt7986/mt7986-wm8960.c
new file mode 100644
index 0000000..c1390b3
--- /dev/null
+++ b/sound/soc/mediatek/mt7986/mt7986-wm8960.c
@@ -0,0 +1,177 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * mt7986-wm8960.c -- MT7986-WM8960 ALSA SoC machine driver
+ *
+ * Copyright (c) 2023 MediaTek Inc.
+ * Authors: Vic Wu <vic.wu@mediatek.com>
+ * Maso Huang <maso.huang@mediatek.com>
+ */
+
+#include <linux/module.h>
+#include <sound/soc.h>
+
+#include "mt7986-afe-common.h"
+
+static const struct snd_soc_dapm_widget mt7986_wm8960_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone", NULL),
+ SND_SOC_DAPM_MIC("AMIC", NULL),
+};
+
+static const struct snd_kcontrol_new mt7986_wm8960_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Headphone"),
+ SOC_DAPM_PIN_SWITCH("AMIC"),
+};
+
+SND_SOC_DAILINK_DEFS(playback,
+ DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
+ DAILINK_COMP_ARRAY(COMP_DUMMY()),
+ DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(capture,
+ DAILINK_COMP_ARRAY(COMP_CPU("UL1")),
+ DAILINK_COMP_ARRAY(COMP_DUMMY()),
+ DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(codec,
+ DAILINK_COMP_ARRAY(COMP_CPU("ETDM")),
+ DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8960-hifi")),
+ DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+static struct snd_soc_dai_link mt7986_wm8960_dai_links[] = {
+ /* FE */
+ {
+ .name = "wm8960-playback",
+ .stream_name = "wm8960-playback",
+ .trigger = {SND_SOC_DPCM_TRIGGER_POST,
+ SND_SOC_DPCM_TRIGGER_POST},
+ .dynamic = 1,
+ .dpcm_playback = 1,
+ SND_SOC_DAILINK_REG(playback),
+ },
+ {
+ .name = "wm8960-capture",
+ .stream_name = "wm8960-capture",
+ .trigger = {SND_SOC_DPCM_TRIGGER_POST,
+ SND_SOC_DPCM_TRIGGER_POST},
+ .dynamic = 1,
+ .dpcm_capture = 1,
+ SND_SOC_DAILINK_REG(capture),
+ },
+ /* BE */
+ {
+ .name = "wm8960-codec",
+ .no_pcm = 1,
+ .dai_fmt = SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS |
+ SND_SOC_DAIFMT_GATED,
+ .dpcm_playback = 1,
+ .dpcm_capture = 1,
+ SND_SOC_DAILINK_REG(codec),
+ },
+};
+
+static struct snd_soc_card mt7986_wm8960_card = {
+ .name = "mt7986-wm8960",
+ .owner = THIS_MODULE,
+ .dai_link = mt7986_wm8960_dai_links,
+ .num_links = ARRAY_SIZE(mt7986_wm8960_dai_links),
+ .controls = mt7986_wm8960_controls,
+ .num_controls = ARRAY_SIZE(mt7986_wm8960_controls),
+ .dapm_widgets = mt7986_wm8960_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(mt7986_wm8960_widgets),
+};
+
+static int mt7986_wm8960_machine_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = &mt7986_wm8960_card;
+ struct snd_soc_dai_link *dai_link;
+ struct device_node *platform, *codec;
+ struct device_node *platform_dai_node, *codec_dai_node;
+ int ret, i;
+
+ card->dev = &pdev->dev;
+
+ platform = of_get_child_by_name(pdev->dev.of_node, "platform");
+
+ if (platform) {
+ platform_dai_node = of_parse_phandle(platform, "sound-dai", 0);
+ of_node_put(platform);
+
+ if (!platform_dai_node) {
+ dev_err(&pdev->dev, "Failed to parse platform/sound-dai property\n");
+ return -EINVAL;
+ }
+ } else {
+ dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
+ return -EINVAL;
+ }
+
+ for_each_card_prelinks(card, i, dai_link) {
+ if (dai_link->platforms->name)
+ continue;
+ dai_link->platforms->of_node = platform_dai_node;
+ }
+
+ codec = of_get_child_by_name(pdev->dev.of_node, "codec");
+
+ if (codec) {
+ codec_dai_node = of_parse_phandle(codec, "sound-dai", 0);
+ of_node_put(codec);
+
+ if (!codec_dai_node) {
+ of_node_put(platform_dai_node);
+ dev_err(&pdev->dev, "Failed to parse codec/sound-dai property\n");
+ return -EINVAL;
+ }
+ } else {
+ of_node_put(platform_dai_node);
+ dev_err(&pdev->dev, "Property 'codec' missing or invalid\n");
+ return -EINVAL;
+ }
+
+ for_each_card_prelinks(card, i, dai_link) {
+ if (dai_link->codecs->name)
+ continue;
+ dai_link->codecs->of_node = codec_dai_node;
+ }
+
+ ret = snd_soc_of_parse_audio_routing(card, "audio-routing");
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to parse audio-routing: %d\n", ret);
+ goto err_of_node_put;
+ }
+
+ ret = devm_snd_soc_register_card(&pdev->dev, card);
+ if (ret) {
+ dev_err(&pdev->dev, "%s snd_soc_register_card fail: %d\n", __func__, ret);
+ goto err_of_node_put;
+ }
+
+err_of_node_put:
+ of_node_put(platform_dai_node);
+ of_node_put(codec_dai_node);
+ return ret;
+}
+
+static const struct of_device_id mt7986_wm8960_machine_dt_match[] = {
+ {.compatible = "mediatek,mt7986-wm8960-sound"},
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, mt7986_wm8960_machine_dt_match);
+
+static struct platform_driver mt7986_wm8960_machine = {
+ .driver = {
+ .name = "mt7986-wm8960",
+ .of_match_table = mt7986_wm8960_machine_dt_match,
+ },
+ .probe = mt7986_wm8960_machine_probe,
+};
+
+module_platform_driver(mt7986_wm8960_machine);
+
+/* Module information */
+MODULE_DESCRIPTION("MT7986 WM8960 ALSA SoC machine driver");
+MODULE_AUTHOR("Vic Wu <vic.wu@mediatek.com>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("mt7986 wm8960 soc card");
--
2.18.0