ASoC: mediatek: mt8192: add platform driver

This patch adds mt8192 platform and affiliated drivers.
Signed-off-by: Jiaxin Yu <jiaxin.yu@mediatek.com>
Link: https://lore.kernel.org/r/1604390378-23993-3-git-send-email-jiaxin.yu@mediatek.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/mediatek/Kconfig

@@ -158,3 +158,13 @@ config SND_SOC_MTK_BTCVSD
 	  BT encoded data to/from BT firmware.
 	  Select Y if you have such device.
 	  If unsure select "N".
+
+config SND_SOC_MT8192
+	tristate "ASoC support for Mediatek MT8192 chip"
+	depends on ARCH_MEDIATEK
+	select SND_SOC_MEDIATEK
+	help
+	  This adds ASoC platform driver support for Mediatek MT8192 chip
+	  that can be used with other codecs.
+	  Select Y if you have such device.
+	  If unsure select "N".

sound/soc/mediatek/Makefile

@@ -4,3 +4,4 @@ obj-$(CONFIG_SND_SOC_MT2701) += mt2701/
 obj-$(CONFIG_SND_SOC_MT6797) += mt6797/
 obj-$(CONFIG_SND_SOC_MT8173) += mt8173/
 obj-$(CONFIG_SND_SOC_MT8183) += mt8183/
+obj-$(CONFIG_SND_SOC_MT8192) += mt8192/

sound/soc/mediatek/common/mtk-afe-fe-dai.c

@@ -542,8 +542,13 @@ int mtk_memif_set_format(struct mtk_base_afe *afe,
 		break;
 	case SNDRV_PCM_FORMAT_S32_LE:
 	case SNDRV_PCM_FORMAT_U32_LE:
-		hd_audio = 1;
-		hd_align = 1;
+		if (afe->memif_32bit_supported) {
+			hd_audio = 2;
+			hd_align = 0;
+		} else {
+			hd_audio = 1;
+			hd_align = 1;
+		}
 		break;
 	case SNDRV_PCM_FORMAT_S24_LE:
 	case SNDRV_PCM_FORMAT_U24_LE:
@@ -556,10 +561,10 @@ int mtk_memif_set_format(struct mtk_base_afe *afe,
 	}
 
 	mtk_regmap_update_bits(afe->regmap, memif->data->hd_reg,
-			       1, hd_audio, memif->data->hd_shift);
+			       0x3, hd_audio, memif->data->hd_shift);
 
 	mtk_regmap_update_bits(afe->regmap, memif->data->hd_align_reg,
-			       1, hd_align, memif->data->hd_align_mshift);
+			       0x1, hd_align, memif->data->hd_align_mshift);
 
 	return 0;
 }

sound/soc/mediatek/common/mtk-base-afe.h

@@ -91,6 +91,7 @@ struct mtk_base_afe {
 	int memif_size;
 	struct mtk_base_afe_irq *irqs;
 	int irqs_size;
+	int memif_32bit_supported;
 
 	struct list_head sub_dais;
 	struct snd_soc_dai_driver *dai_drivers;

sound/soc/mediatek/mt8192/Makefile

+# SPDX-License-Identifier: GPL-2.0
+
+# platform driver
+snd-soc-mt8192-afe-objs := \
+	mt8192-afe-pcm.o \
+	mt8192-afe-clk.o \
+	mt8192-afe-gpio.o \
+	mt8192-dai-adda.o \
+	mt8192-afe-control.o \
+	mt8192-dai-i2s.o \
+	mt8192-dai-pcm.o \
+	mt8192-dai-tdm.o
+
+obj-$(CONFIG_SND_SOC_MT8192) += snd-soc-mt8192-afe.o

sound/soc/mediatek/mt8192/mt8192-afe-clk.h

+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * mt8192-afe-clk.h  --  Mediatek 8192 afe clock ctrl definition
+ *
+ * Copyright (c) 2020 MediaTek Inc.
+ * Author: Shane Chien <shane.chien@mediatek.com>
+ */
+
+#ifndef _MT8192_AFE_CLOCK_CTRL_H_
+#define _MT8192_AFE_CLOCK_CTRL_H_
+
+#define AP_PLL_CON3 0x0014
+#define APLL1_CON0 0x0318
+#define APLL1_CON1 0x031c
+#define APLL1_CON2 0x0320
+#define APLL1_CON4 0x0328
+#define APLL1_TUNER_CON0 0x0040
+
+#define APLL2_CON0 0x032c
+#define APLL2_CON1 0x0330
+#define APLL2_CON2 0x0334
+#define APLL2_CON4 0x033c
+#define APLL2_TUNER_CON0 0x0044
+
+#define CLK_CFG_7 0x0080
+#define CLK_CFG_8 0x0090
+#define CLK_CFG_11 0x00c0
+#define CLK_CFG_12 0x00d0
+#define CLK_CFG_13 0x00e0
+#define CLK_CFG_15 0x0100
+
+#define CLK_AUDDIV_0 0x0320
+#define CLK_AUDDIV_2 0x0328
+#define CLK_AUDDIV_3 0x0334
+#define CLK_AUDDIV_4 0x0338
+#define CKSYS_AUD_TOP_CFG 0x032c
+#define CKSYS_AUD_TOP_MON 0x0330
+
+#define PERI_BUS_DCM_CTRL 0x0074
+#define MODULE_SW_CG_1_STA 0x0094
+#define MODULE_SW_CG_2_STA 0x00ac
+
+/* CLK_AUDDIV_0 */
+#define APLL12_DIV0_PDN_SFT                0
+#define APLL12_DIV0_PDN_MASK               0x1
+#define APLL12_DIV0_PDN_MASK_SFT           (0x1 << 0)
+#define APLL12_DIV1_PDN_SFT                1
+#define APLL12_DIV1_PDN_MASK               0x1
+#define APLL12_DIV1_PDN_MASK_SFT           (0x1 << 1)
+#define APLL12_DIV2_PDN_SFT                2
+#define APLL12_DIV2_PDN_MASK               0x1
+#define APLL12_DIV2_PDN_MASK_SFT           (0x1 << 2)
+#define APLL12_DIV3_PDN_SFT                3
+#define APLL12_DIV3_PDN_MASK               0x1
+#define APLL12_DIV3_PDN_MASK_SFT           (0x1 << 3)
+#define APLL12_DIV4_PDN_SFT                4
+#define APLL12_DIV4_PDN_MASK               0x1
+#define APLL12_DIV4_PDN_MASK_SFT           (0x1 << 4)
+#define APLL12_DIVB_PDN_SFT                5
+#define APLL12_DIVB_PDN_MASK               0x1
+#define APLL12_DIVB_PDN_MASK_SFT           (0x1 << 5)
+#define APLL12_DIV5_PDN_SFT                6
+#define APLL12_DIV5_PDN_MASK               0x1
+#define APLL12_DIV5_PDN_MASK_SFT           (0x1 << 6)
+#define APLL12_DIV6_PDN_SFT                7
+#define APLL12_DIV6_PDN_MASK               0x1
+#define APLL12_DIV6_PDN_MASK_SFT           (0x1 << 7)
+#define APLL12_DIV7_PDN_SFT                8
+#define APLL12_DIV7_PDN_MASK               0x1
+#define APLL12_DIV7_PDN_MASK_SFT           (0x1 << 8)
+#define APLL12_DIV8_PDN_SFT                9
+#define APLL12_DIV8_PDN_MASK               0x1
+#define APLL12_DIV8_PDN_MASK_SFT           (0x1 << 9)
+#define APLL12_DIV9_PDN_SFT                10
+#define APLL12_DIV9_PDN_MASK               0x1
+#define APLL12_DIV9_PDN_MASK_SFT           (0x1 << 10)
+#define APLL_I2S0_MCK_SEL_SFT              16
+#define APLL_I2S0_MCK_SEL_MASK             0x1
+#define APLL_I2S0_MCK_SEL_MASK_SFT         (0x1 << 16)
+#define APLL_I2S1_MCK_SEL_SFT              17
+#define APLL_I2S1_MCK_SEL_MASK             0x1
+#define APLL_I2S1_MCK_SEL_MASK_SFT         (0x1 << 17)
+#define APLL_I2S2_MCK_SEL_SFT              18
+#define APLL_I2S2_MCK_SEL_MASK             0x1
+#define APLL_I2S2_MCK_SEL_MASK_SFT         (0x1 << 18)
+#define APLL_I2S3_MCK_SEL_SFT              19
+#define APLL_I2S3_MCK_SEL_MASK             0x1
+#define APLL_I2S3_MCK_SEL_MASK_SFT         (0x1 << 19)
+#define APLL_I2S4_MCK_SEL_SFT              20
+#define APLL_I2S4_MCK_SEL_MASK             0x1
+#define APLL_I2S4_MCK_SEL_MASK_SFT         (0x1 << 20)
+#define APLL_I2S5_MCK_SEL_SFT              21
+#define APLL_I2S5_MCK_SEL_MASK             0x1
+#define APLL_I2S5_MCK_SEL_MASK_SFT         (0x1 << 21)
+#define APLL_I2S6_MCK_SEL_SFT              22
+#define APLL_I2S6_MCK_SEL_MASK             0x1
+#define APLL_I2S6_MCK_SEL_MASK_SFT         (0x1 << 22)
+#define APLL_I2S7_MCK_SEL_SFT              23
+#define APLL_I2S7_MCK_SEL_MASK             0x1
+#define APLL_I2S7_MCK_SEL_MASK_SFT         (0x1 << 23)
+#define APLL_I2S8_MCK_SEL_SFT              24
+#define APLL_I2S8_MCK_SEL_MASK             0x1
+#define APLL_I2S8_MCK_SEL_MASK_SFT         (0x1 << 24)
+#define APLL_I2S9_MCK_SEL_SFT              25
+#define APLL_I2S9_MCK_SEL_MASK             0x1
+#define APLL_I2S9_MCK_SEL_MASK_SFT         (0x1 << 25)
+
+/* CLK_AUDDIV_2 */
+#define APLL12_CK_DIV0_SFT                 0
+#define APLL12_CK_DIV0_MASK                0xff
+#define APLL12_CK_DIV0_MASK_SFT            (0xff << 0)
+#define APLL12_CK_DIV1_SFT                 8
+#define APLL12_CK_DIV1_MASK                0xff
+#define APLL12_CK_DIV1_MASK_SFT            (0xff << 8)
+#define APLL12_CK_DIV2_SFT                 16
+#define APLL12_CK_DIV2_MASK                0xff
+#define APLL12_CK_DIV2_MASK_SFT            (0xff << 16)
+#define APLL12_CK_DIV3_SFT                 24
+#define APLL12_CK_DIV3_MASK                0xff
+#define APLL12_CK_DIV3_MASK_SFT            (0xff << 24)
+
+/* CLK_AUDDIV_3 */
+#define APLL12_CK_DIV4_SFT                 0
+#define APLL12_CK_DIV4_MASK                0xff
+#define APLL12_CK_DIV4_MASK_SFT            (0xff << 0)
+#define APLL12_CK_DIVB_SFT                 8
+#define APLL12_CK_DIVB_MASK                0xff
+#define APLL12_CK_DIVB_MASK_SFT            (0xff << 8)
+#define APLL12_CK_DIV5_SFT                 16
+#define APLL12_CK_DIV5_MASK                0xff
+#define APLL12_CK_DIV5_MASK_SFT            (0xff << 16)
+#define APLL12_CK_DIV6_SFT                 24
+#define APLL12_CK_DIV6_MASK                0xff
+#define APLL12_CK_DIV6_MASK_SFT            (0xff << 24)
+
+/* CLK_AUDDIV_4 */
+#define APLL12_CK_DIV7_SFT                 0
+#define APLL12_CK_DIV7_MASK                0xff
+#define APLL12_CK_DIV7_MASK_SFT            (0xff << 0)
+#define APLL12_CK_DIV8_SFT                 8
+#define APLL12_CK_DIV8_MASK                0xff
+#define APLL12_CK_DIV8_MASK_SFT            (0xff << 0)
+#define APLL12_CK_DIV9_SFT                 16
+#define APLL12_CK_DIV9_MASK                0xff
+#define APLL12_CK_DIV9_MASK_SFT            (0xff << 0)
+
+/* AUD_TOP_CFG */
+#define AUD_TOP_CFG_SFT                    0
+#define AUD_TOP_CFG_MASK                   0xffffffff
+#define AUD_TOP_CFG_MASK_SFT               (0xffffffff << 0)
+
+/* AUD_TOP_MON */
+#define AUD_TOP_MON_SFT                    0
+#define AUD_TOP_MON_MASK                   0xffffffff
+#define AUD_TOP_MON_MASK_SFT               (0xffffffff << 0)
+
+/* CLK_AUDDIV_3 */
+#define APLL12_CK_DIV5_MSB_SFT             0
+#define APLL12_CK_DIV5_MSB_MASK            0xf
+#define APLL12_CK_DIV5_MSB_MASK_SFT        (0xf << 0)
+#define RESERVED0_SFT                      4
+#define RESERVED0_MASK                     0xfffffff
+#define RESERVED0_MASK_SFT                 (0xfffffff << 4)
+
+/* APLL */
+#define APLL1_W_NAME "APLL1"
+#define APLL2_W_NAME "APLL2"
+enum {
+	MT8192_APLL1 = 0,
+	MT8192_APLL2,
+};
+
+enum {
+	CLK_AFE = 0,
+	CLK_TML,
+	CLK_APLL22M,
+	CLK_APLL24M,
+	CLK_APLL1_TUNER,
+	CLK_APLL2_TUNER,
+	CLK_NLE,
+	CLK_INFRA_SYS_AUDIO,
+	CLK_INFRA_AUDIO_26M,
+	CLK_MUX_AUDIO,
+	CLK_MUX_AUDIOINTBUS,
+	CLK_TOP_MAINPLL_D4_D4,
+	/* apll related mux */
+	CLK_TOP_MUX_AUD_1,
+	CLK_TOP_APLL1_CK,
+	CLK_TOP_MUX_AUD_2,
+	CLK_TOP_APLL2_CK,
+	CLK_TOP_MUX_AUD_ENG1,
+	CLK_TOP_APLL1_D4,
+	CLK_TOP_MUX_AUD_ENG2,
+	CLK_TOP_APLL2_D4,
+	CLK_TOP_MUX_AUDIO_H,
+	CLK_TOP_I2S0_M_SEL,
+	CLK_TOP_I2S1_M_SEL,
+	CLK_TOP_I2S2_M_SEL,
+	CLK_TOP_I2S3_M_SEL,
+	CLK_TOP_I2S4_M_SEL,
+	CLK_TOP_I2S5_M_SEL,
+	CLK_TOP_I2S6_M_SEL,
+	CLK_TOP_I2S7_M_SEL,
+	CLK_TOP_I2S8_M_SEL,
+	CLK_TOP_I2S9_M_SEL,
+	CLK_TOP_APLL12_DIV0,
+	CLK_TOP_APLL12_DIV1,
+	CLK_TOP_APLL12_DIV2,
+	CLK_TOP_APLL12_DIV3,
+	CLK_TOP_APLL12_DIV4,
+	CLK_TOP_APLL12_DIVB,
+	CLK_TOP_APLL12_DIV5,
+	CLK_TOP_APLL12_DIV6,
+	CLK_TOP_APLL12_DIV7,
+	CLK_TOP_APLL12_DIV8,
+	CLK_TOP_APLL12_DIV9,
+	CLK_CLK26M,
+	CLK_NUM
+};
+
+struct mtk_base_afe;
+
+int mt8192_init_clock(struct mtk_base_afe *afe);
+int mt8192_afe_enable_clock(struct mtk_base_afe *afe);
+void mt8192_afe_disable_clock(struct mtk_base_afe *afe);
+
+int mt8192_apll1_enable(struct mtk_base_afe *afe);
+void mt8192_apll1_disable(struct mtk_base_afe *afe);
+
+int mt8192_apll2_enable(struct mtk_base_afe *afe);
+void mt8192_apll2_disable(struct mtk_base_afe *afe);
+
+int mt8192_get_apll_rate(struct mtk_base_afe *afe, int apll);
+int mt8192_get_apll_by_rate(struct mtk_base_afe *afe, int rate);
+int mt8192_get_apll_by_name(struct mtk_base_afe *afe, const char *name);
+
+/* these will be replaced by using CCF */
+int mt8192_mck_enable(struct mtk_base_afe *afe, int mck_id, int rate);
+void mt8192_mck_disable(struct mtk_base_afe *afe, int mck_id);
+
+int mt8192_set_audio_int_bus_parent(struct mtk_base_afe *afe,
+				    int clk_id);
+
+#endif

sound/soc/mediatek/mt8192/mt8192-afe-common.h

+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * mt8192-afe-common.h  --  Mediatek 8192 audio driver definitions
+ *
+ * Copyright (c) 2020 MediaTek Inc.
+ * Author: Shane Chien <shane.chien@mediatek.com>
+ */
+
+#ifndef _MT_8192_AFE_COMMON_H_
+#define _MT_8192_AFE_COMMON_H_
+
+#include <linux/list.h>
+#include <linux/regmap.h>
+#include <sound/soc.h>
+
+#include "../common/mtk-base-afe.h"
+#include "mt8192-reg.h"
+
+enum {
+	MT8192_MEMIF_DL1,
+	MT8192_MEMIF_DL12,
+	MT8192_MEMIF_DL2,
+	MT8192_MEMIF_DL3,
+	MT8192_MEMIF_DL4,
+	MT8192_MEMIF_DL5,
+	MT8192_MEMIF_DL6,
+	MT8192_MEMIF_DL7,
+	MT8192_MEMIF_DL8,
+	MT8192_MEMIF_DL9,
+	MT8192_MEMIF_DAI,
+	MT8192_MEMIF_DAI2,
+	MT8192_MEMIF_MOD_DAI,
+	MT8192_MEMIF_VUL12,
+	MT8192_MEMIF_VUL2,
+	MT8192_MEMIF_VUL3,
+	MT8192_MEMIF_VUL4,
+	MT8192_MEMIF_VUL5,
+	MT8192_MEMIF_VUL6,
+	MT8192_MEMIF_AWB,
+	MT8192_MEMIF_AWB2,
+	MT8192_MEMIF_HDMI,
+	MT8192_MEMIF_NUM,
+	MT8192_DAI_ADDA = MT8192_MEMIF_NUM,
+	MT8192_DAI_ADDA_CH34,
+	MT8192_DAI_AP_DMIC,
+	MT8192_DAI_AP_DMIC_CH34,
+	MT8192_DAI_VOW,
+	MT8192_DAI_CONNSYS_I2S,
+	MT8192_DAI_I2S_0,
+	MT8192_DAI_I2S_1,
+	MT8192_DAI_I2S_2,
+	MT8192_DAI_I2S_3,
+	MT8192_DAI_I2S_5,
+	MT8192_DAI_I2S_6,
+	MT8192_DAI_I2S_7,
+	MT8192_DAI_I2S_8,
+	MT8192_DAI_I2S_9,
+	MT8192_DAI_HW_GAIN_1,
+	MT8192_DAI_HW_GAIN_2,
+	MT8192_DAI_SRC_1,
+	MT8192_DAI_SRC_2,
+	MT8192_DAI_PCM_1,
+	MT8192_DAI_PCM_2,
+	MT8192_DAI_TDM,
+	MT8192_DAI_NUM,
+};
+
+enum {
+	MT8192_IRQ_0,
+	MT8192_IRQ_1,
+	MT8192_IRQ_2,
+	MT8192_IRQ_3,
+	MT8192_IRQ_4,
+	MT8192_IRQ_5,
+	MT8192_IRQ_6,
+	MT8192_IRQ_7,
+	MT8192_IRQ_8,
+	MT8192_IRQ_9,
+	MT8192_IRQ_10,
+	MT8192_IRQ_11,
+	MT8192_IRQ_12,
+	MT8192_IRQ_13,
+	MT8192_IRQ_14,
+	MT8192_IRQ_15,
+	MT8192_IRQ_16,
+	MT8192_IRQ_17,
+	MT8192_IRQ_18,
+	MT8192_IRQ_19,
+	MT8192_IRQ_20,
+	MT8192_IRQ_21,
+	MT8192_IRQ_22,
+	MT8192_IRQ_23,
+	MT8192_IRQ_24,
+	MT8192_IRQ_25,
+	MT8192_IRQ_26,
+	MT8192_IRQ_31,	/* used only for TDM */
+	MT8192_IRQ_NUM,
+};
+
+enum {
+	MTKAIF_PROTOCOL_1 = 0,
+	MTKAIF_PROTOCOL_2,
+	MTKAIF_PROTOCOL_2_CLK_P2,
+};
+
+enum {
+	MTK_AFE_ADDA_DL_GAIN_MUTE = 0,
+	MTK_AFE_ADDA_DL_GAIN_NORMAL = 0xf74f,
+	/* SA suggest apply -0.3db to audio/speech path */
+};
+
+/* MCLK */
+enum {
+	MT8192_I2S0_MCK = 0,
+	MT8192_I2S1_MCK,
+	MT8192_I2S2_MCK,
+	MT8192_I2S3_MCK,
+	MT8192_I2S4_MCK,
+	MT8192_I2S4_BCK,
+	MT8192_I2S5_MCK,
+	MT8192_I2S6_MCK,
+	MT8192_I2S7_MCK,
+	MT8192_I2S8_MCK,
+	MT8192_I2S9_MCK,
+	MT8192_MCK_NUM,
+};
+
+struct clk;
+
+struct mt8192_afe_private {
+	struct clk **clk;
+	struct regmap *topckgen;
+	struct regmap *apmixedsys;
+	struct regmap *infracfg;
+	int stf_positive_gain_db;
+	int pm_runtime_bypass_reg_ctl;
+
+	/* dai */
+	bool dai_on[MT8192_DAI_NUM];
+	void *dai_priv[MT8192_DAI_NUM];
+
+	/* adda */
+	int mtkaif_protocol;
+	int mtkaif_chosen_phase[4];
+	int mtkaif_phase_cycle[4];
+	int mtkaif_calibration_num_phase;
+	int mtkaif_dmic;
+	int mtkaif_dmic_ch34;
+	int mtkaif_adda6_only;
+
+	/* mck */
+	int mck_rate[MT8192_MCK_NUM];
+};
+
+int mt8192_dai_adda_register(struct mtk_base_afe *afe);
+int mt8192_dai_i2s_register(struct mtk_base_afe *afe);
+int mt8192_dai_hw_gain_register(struct mtk_base_afe *afe);
+int mt8192_dai_src_register(struct mtk_base_afe *afe);
+int mt8192_dai_pcm_register(struct mtk_base_afe *afe);
+int mt8192_dai_tdm_register(struct mtk_base_afe *afe);
+
+unsigned int mt8192_general_rate_transform(struct device *dev,
+					   unsigned int rate);
+unsigned int mt8192_rate_transform(struct device *dev,
+				   unsigned int rate, int aud_blk);
+
+int mt8192_dai_set_priv(struct mtk_base_afe *afe, int id,
+			int priv_size, const void *priv_data);
+
+#endif

sound/soc/mediatek/mt8192/mt8192-afe-control.c

+// SPDX-License-Identifier: GPL-2.0
+//
+// MediaTek ALSA SoC Audio Control
+//
+// Copyright (c) 2020 MediaTek Inc.
+// Author: Shane Chien <shane.chien@mediatek.com>
+//
+
+#include <linux/pm_runtime.h>
+
+#include "mt8192-afe-common.h"
+
+enum {
+	MTK_AFE_RATE_8K = 0,
+	MTK_AFE_RATE_11K = 1,
+	MTK_AFE_RATE_12K = 2,
+	MTK_AFE_RATE_384K = 3,
+	MTK_AFE_RATE_16K = 4,
+	MTK_AFE_RATE_22K = 5,
+	MTK_AFE_RATE_24K = 6,
+	MTK_AFE_RATE_352K = 7,
+	MTK_AFE_RATE_32K = 8,
+	MTK_AFE_RATE_44K = 9,
+	MTK_AFE_RATE_48K = 10,
+	MTK_AFE_RATE_88K = 11,
+	MTK_AFE_RATE_96K = 12,
+	MTK_AFE_RATE_176K = 13,
+	MTK_AFE_RATE_192K = 14,
+	MTK_AFE_RATE_260K = 15,
+};
+
+enum {
+	MTK_AFE_DAI_MEMIF_RATE_8K = 0,
+	MTK_AFE_DAI_MEMIF_RATE_16K = 1,
+	MTK_AFE_DAI_MEMIF_RATE_32K = 2,
+	MTK_AFE_DAI_MEMIF_RATE_48K = 3,
+};
+
+enum {
+	MTK_AFE_PCM_RATE_8K = 0,
+	MTK_AFE_PCM_RATE_16K = 1,
+	MTK_AFE_PCM_RATE_32K = 2,
+	MTK_AFE_PCM_RATE_48K = 3,
+};
+
+unsigned int mt8192_general_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;
+	case 260000:
+		return MTK_AFE_RATE_260K;
+	case 352800:
+		return MTK_AFE_RATE_352K;
+	case 384000:
+		return MTK_AFE_RATE_384K;
+	default:
+		dev_warn(dev, "%s(), rate %u invalid, use %d!!!\n",
+			 __func__,
+			 rate, MTK_AFE_RATE_48K);
+		return MTK_AFE_RATE_48K;
+	}
+}
+
+static unsigned int dai_memif_rate_transform(struct device *dev,
+					     unsigned int rate)
+{
+	switch (rate) {
+	case 8000:
+		return MTK_AFE_DAI_MEMIF_RATE_8K;
+	case 16000:
+		return MTK_AFE_DAI_MEMIF_RATE_16K;
+	case 32000:
+		return MTK_AFE_DAI_MEMIF_RATE_32K;
+	case 48000:
+		return MTK_AFE_DAI_MEMIF_RATE_48K;
+	default:
+		dev_warn(dev, "%s(), rate %u invalid, use %d!!!\n",
+			 __func__,
+			 rate, MTK_AFE_DAI_MEMIF_RATE_16K);
+		return MTK_AFE_DAI_MEMIF_RATE_16K;
+	}
+}
+
+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_warn(dev, "%s(), rate %u invalid, use %d!!!\n",
+			 __func__,
+			 rate, MTK_AFE_PCM_RATE_32K);
+		return MTK_AFE_PCM_RATE_32K;
+	}
+}
+
+unsigned int mt8192_rate_transform(struct device *dev,
+				   unsigned int rate, int aud_blk)
+{
+	switch (aud_blk) {
+	case MT8192_MEMIF_DAI:
+	case MT8192_MEMIF_MOD_DAI:
+		return dai_memif_rate_transform(dev, rate);
+	case MT8192_DAI_PCM_1:
+	case MT8192_DAI_PCM_2:
+		return pcm_rate_transform(dev, rate);
+	default:
+		return mt8192_general_rate_transform(dev, rate);
+	}
+}
+
+int mt8192_dai_set_priv(struct mtk_base_afe *afe, int id,
+			int priv_size, const void *priv_data)
+{
+	struct mt8192_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);
+
+	afe_priv->dai_priv[id] = temp_data;
+
+	return 0;
+}

sound/soc/mediatek/mt8192/mt8192-afe-gpio.c

+// SPDX-License-Identifier: GPL-2.0
+//
+// mt8192-afe-gpio.c  --  Mediatek 8192 afe gpio ctrl
+//
+// Copyright (c) 2020 MediaTek Inc.
+// Author: Shane Chien <shane.chien@mediatek.com>
+//
+
+#include <linux/gpio.h>
+#include <linux/pinctrl/consumer.h>
+
+#include "mt8192-afe-common.h"
+#include "mt8192-afe-gpio.h"
+
+struct pinctrl *aud_pinctrl;
+
+enum mt8192_afe_gpio {
+	MT8192_AFE_GPIO_DAT_MISO_OFF,
+	MT8192_AFE_GPIO_DAT_MISO_ON,
+	MT8192_AFE_GPIO_DAT_MOSI_OFF,
+	MT8192_AFE_GPIO_DAT_MOSI_ON,
+	MT8192_AFE_GPIO_DAT_MISO_CH34_OFF,
+	MT8192_AFE_GPIO_DAT_MISO_CH34_ON,
+	MT8192_AFE_GPIO_DAT_MOSI_CH34_OFF,
+	MT8192_AFE_GPIO_DAT_MOSI_CH34_ON,
+	MT8192_AFE_GPIO_I2S0_OFF,
+	MT8192_AFE_GPIO_I2S0_ON,
+	MT8192_AFE_GPIO_I2S1_OFF,
+	MT8192_AFE_GPIO_I2S1_ON,
+	MT8192_AFE_GPIO_I2S2_OFF,
+	MT8192_AFE_GPIO_I2S2_ON,
+	MT8192_AFE_GPIO_I2S3_OFF,
+	MT8192_AFE_GPIO_I2S3_ON,
+	MT8192_AFE_GPIO_I2S5_OFF,
+	MT8192_AFE_GPIO_I2S5_ON,
+	MT8192_AFE_GPIO_I2S6_OFF,
+	MT8192_AFE_GPIO_I2S6_ON,
+	MT8192_AFE_GPIO_I2S7_OFF,
+	MT8192_AFE_GPIO_I2S7_ON,
+	MT8192_AFE_GPIO_I2S8_OFF,
+	MT8192_AFE_GPIO_I2S8_ON,
+	MT8192_AFE_GPIO_I2S9_OFF,
+	MT8192_AFE_GPIO_I2S9_ON,
+	MT8192_AFE_GPIO_VOW_DAT_OFF,
+	MT8192_AFE_GPIO_VOW_DAT_ON,
+	MT8192_AFE_GPIO_VOW_CLK_OFF,
+	MT8192_AFE_GPIO_VOW_CLK_ON,
+	MT8192_AFE_GPIO_CLK_MOSI_OFF,
+	MT8192_AFE_GPIO_CLK_MOSI_ON,
+	MT8192_AFE_GPIO_TDM_OFF,
+	MT8192_AFE_GPIO_TDM_ON,
+	MT8192_AFE_GPIO_GPIO_NUM
+};
+
+struct audio_gpio_attr {
+	const char *name;
+	bool gpio_prepare;
+	struct pinctrl_state *gpioctrl;
+};
+
+static struct audio_gpio_attr aud_gpios[MT8192_AFE_GPIO_GPIO_NUM] = {
+	[MT8192_AFE_GPIO_DAT_MISO_OFF] = {"aud_dat_miso_off", false, NULL},
+	[MT8192_AFE_GPIO_DAT_MISO_ON] = {"aud_dat_miso_on", false, NULL},
+	[MT8192_AFE_GPIO_DAT_MOSI_OFF] = {"aud_dat_mosi_off", false, NULL},
+	[MT8192_AFE_GPIO_DAT_MOSI_ON] = {"aud_dat_mosi_on", false, NULL},
+	[MT8192_AFE_GPIO_I2S0_OFF] = {"aud_gpio_i2s0_off", false, NULL},
+	[MT8192_AFE_GPIO_I2S0_ON] = {"aud_gpio_i2s0_on", false, NULL},
+	[MT8192_AFE_GPIO_I2S1_OFF] = {"aud_gpio_i2s1_off", false, NULL},
+	[MT8192_AFE_GPIO_I2S1_ON] = {"aud_gpio_i2s1_on", false, NULL},
+	[MT8192_AFE_GPIO_I2S2_OFF] = {"aud_gpio_i2s2_off", false, NULL},
+	[MT8192_AFE_GPIO_I2S2_ON] = {"aud_gpio_i2s2_on", false, NULL},
+	[MT8192_AFE_GPIO_I2S3_OFF] = {"aud_gpio_i2s3_off", false, NULL},
+	[MT8192_AFE_GPIO_I2S3_ON] = {"aud_gpio_i2s3_on", false, NULL},
+	[MT8192_AFE_GPIO_I2S5_OFF] = {"aud_gpio_i2s5_off", false, NULL},
+	[MT8192_AFE_GPIO_I2S5_ON] = {"aud_gpio_i2s5_on", false, NULL},
+	[MT8192_AFE_GPIO_I2S6_OFF] = {"aud_gpio_i2s6_off", false, NULL},
+	[MT8192_AFE_GPIO_I2S6_ON] = {"aud_gpio_i2s6_on", false, NULL},
+	[MT8192_AFE_GPIO_I2S7_OFF] = {"aud_gpio_i2s7_off", false, NULL},
+	[MT8192_AFE_GPIO_I2S7_ON] = {"aud_gpio_i2s7_on", false, NULL},
+	[MT8192_AFE_GPIO_I2S8_OFF] = {"aud_gpio_i2s8_off", false, NULL},
+	[MT8192_AFE_GPIO_I2S8_ON] = {"aud_gpio_i2s8_on", false, NULL},
+	[MT8192_AFE_GPIO_I2S9_OFF] = {"aud_gpio_i2s9_off", false, NULL},
+	[MT8192_AFE_GPIO_I2S9_ON] = {"aud_gpio_i2s9_on", false, NULL},
+	[MT8192_AFE_GPIO_TDM_OFF] = {"aud_gpio_tdm_off", false, NULL},
+	[MT8192_AFE_GPIO_TDM_ON] = {"aud_gpio_tdm_on", false, NULL},
+	[MT8192_AFE_GPIO_VOW_DAT_OFF] = {"vow_dat_miso_off", false, NULL},
+	[MT8192_AFE_GPIO_VOW_DAT_ON] = {"vow_dat_miso_on", false, NULL},
+	[MT8192_AFE_GPIO_VOW_CLK_OFF] = {"vow_clk_miso_off", false, NULL},
+	[MT8192_AFE_GPIO_VOW_CLK_ON] = {"vow_clk_miso_on", false, NULL},
+	[MT8192_AFE_GPIO_DAT_MISO_CH34_OFF] = {"aud_dat_miso_ch34_off",
+					       false, NULL},
+	[MT8192_AFE_GPIO_DAT_MISO_CH34_ON] = {"aud_dat_miso_ch34_on",
+					      false, NULL},
+	[MT8192_AFE_GPIO_DAT_MOSI_CH34_OFF] = {"aud_dat_mosi_ch34_off",
+					       false, NULL},
+	[MT8192_AFE_GPIO_DAT_MOSI_CH34_ON] = {"aud_dat_mosi_ch34_on",
+					      false, NULL},
+	[MT8192_AFE_GPIO_CLK_MOSI_OFF] = {"aud_clk_mosi_off", false, NULL},
+	[MT8192_AFE_GPIO_CLK_MOSI_ON] = {"aud_clk_mosi_on", false, NULL},
+};
+
+static DEFINE_MUTEX(gpio_request_mutex);
+
+static int mt8192_afe_gpio_select(struct device *dev,
+				  enum mt8192_afe_gpio type)
+{
+	int ret;
+
+	if (type < 0 || type >= MT8192_AFE_GPIO_GPIO_NUM) {
+		dev_err(dev, "%s(), error, invalid gpio type %d\n",
+			__func__, type);
+		return -EINVAL;
+	}
+
+	if (!aud_gpios[type].gpio_prepare) {
+		dev_warn(dev, "%s(), error, gpio type %d not prepared\n",
+			 __func__, type);
+		return -EIO;
+	}
+
+	ret = pinctrl_select_state(aud_pinctrl,
+				   aud_gpios[type].gpioctrl);
+	if (ret) {
+		dev_dbg(dev, "%s(), error, can not set gpio type %d\n",
+			__func__, type);
+	}
+
+	return ret;
+}
+
+int mt8192_afe_gpio_init(struct device *dev)
+{
+	int i, ret;
+
+	aud_pinctrl = devm_pinctrl_get(dev);
+	if (IS_ERR(aud_pinctrl)) {
+		ret = PTR_ERR(aud_pinctrl);
+		dev_err(dev, "%s(), ret %d, cannot get aud_pinctrl!\n",
+			__func__, ret);
+		return ret;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(aud_gpios); i++) {
+		aud_gpios[i].gpioctrl = pinctrl_lookup_state(aud_pinctrl,
+							     aud_gpios[i].name);
+		if (IS_ERR(aud_gpios[i].gpioctrl)) {
+			ret = PTR_ERR(aud_gpios[i].gpioctrl);
+			dev_dbg(dev, "%s(), pinctrl_lookup_state %s fail, ret %d\n",
+				__func__, aud_gpios[i].name, ret);
+		} else {
+			aud_gpios[i].gpio_prepare = true;
+		}
+	}
+
+	mt8192_afe_gpio_select(dev, MT8192_AFE_GPIO_CLK_MOSI_ON);
+
+	/* gpio status init */
+	mt8192_afe_gpio_request(dev, false, MT8192_DAI_ADDA, 0);
+	mt8192_afe_gpio_request(dev, false, MT8192_DAI_ADDA, 1);
+
+	return 0;
+}
+
+static int mt8192_afe_gpio_adda_dl(struct device *dev, bool enable)
+{
+	if (enable) {
+		return mt8192_afe_gpio_select(dev,
+					      MT8192_AFE_GPIO_DAT_MOSI_ON);
+	} else {
+		return mt8192_afe_gpio_select(dev,
+					      MT8192_AFE_GPIO_DAT_MOSI_OFF);
+	}
+}
+
+static int mt8192_afe_gpio_adda_ul(struct device *dev, bool enable)
+{
+	if (enable) {
+		return mt8192_afe_gpio_select(dev,
+					      MT8192_AFE_GPIO_DAT_MISO_ON);
+	} else {
+		return mt8192_afe_gpio_select(dev,
+					      MT8192_AFE_GPIO_DAT_MISO_OFF);
+	}
+}
+
+static int mt8192_afe_gpio_adda_ch34_dl(struct device *dev, bool enable)
+{
+	if (enable) {
+		return mt8192_afe_gpio_select(dev,
+			MT8192_AFE_GPIO_DAT_MOSI_CH34_ON);
+	} else {
+		return mt8192_afe_gpio_select(dev,
+			MT8192_AFE_GPIO_DAT_MOSI_CH34_OFF);
+	}
+}
+
+static int mt8192_afe_gpio_adda_ch34_ul(struct device *dev, bool enable)
+{
+	if (enable) {
+		return mt8192_afe_gpio_select(dev,
+			MT8192_AFE_GPIO_DAT_MISO_CH34_ON);
+	} else {
+		return mt8192_afe_gpio_select(dev,
+			MT8192_AFE_GPIO_DAT_MISO_CH34_OFF);
+	}
+}
+
+int mt8192_afe_gpio_request(struct device *dev, bool enable,
+			    int dai, int uplink)
+{
+	mutex_lock(&gpio_request_mutex);
+	switch (dai) {
+	case MT8192_DAI_ADDA:
+		if (uplink)
+			mt8192_afe_gpio_adda_ul(dev, enable);
+		else
+			mt8192_afe_gpio_adda_dl(dev, enable);
+		break;
+	case MT8192_DAI_ADDA_CH34:
+		if (uplink)
+			mt8192_afe_gpio_adda_ch34_ul(dev, enable);
+		else
+			mt8192_afe_gpio_adda_ch34_dl(dev, enable);
+		break;
+	case MT8192_DAI_I2S_0:
+		if (enable)
+			mt8192_afe_gpio_select(dev, MT8192_AFE_GPIO_I2S0_ON);
+		else
+			mt8192_afe_gpio_select(dev, MT8192_AFE_GPIO_I2S0_OFF);
+		break;
+	case MT8192_DAI_I2S_1:
+		if (enable)
+			mt8192_afe_gpio_select(dev, MT8192_AFE_GPIO_I2S1_ON);
+		else
+			mt8192_afe_gpio_select(dev, MT8192_AFE_GPIO_I2S1_OFF);
+		break;
+	case MT8192_DAI_I2S_2:
+		if (enable)
+			mt8192_afe_gpio_select(dev, MT8192_AFE_GPIO_I2S2_ON);
+		else
+			mt8192_afe_gpio_select(dev, MT8192_AFE_GPIO_I2S2_OFF);
+		break;
+	case MT8192_DAI_I2S_3:
+		if (enable)
+			mt8192_afe_gpio_select(dev, MT8192_AFE_GPIO_I2S3_ON);
+		else
+			mt8192_afe_gpio_select(dev, MT8192_AFE_GPIO_I2S3_OFF);
+		break;
+	case MT8192_DAI_I2S_5:
+		if (enable)
+			mt8192_afe_gpio_select(dev, MT8192_AFE_GPIO_I2S5_ON);
+		else
+			mt8192_afe_gpio_select(dev, MT8192_AFE_GPIO_I2S5_OFF);
+		break;
+	case MT8192_DAI_I2S_6:
+		if (enable)
+			mt8192_afe_gpio_select(dev, MT8192_AFE_GPIO_I2S6_ON);
+		else
+			mt8192_afe_gpio_select(dev, MT8192_AFE_GPIO_I2S6_OFF);
+		break;
+	case MT8192_DAI_I2S_7:
+		if (enable)
+			mt8192_afe_gpio_select(dev, MT8192_AFE_GPIO_I2S7_ON);
+		else
+			mt8192_afe_gpio_select(dev, MT8192_AFE_GPIO_I2S7_OFF);
+		break;
+	case MT8192_DAI_I2S_8:
+		if (enable)
+			mt8192_afe_gpio_select(dev, MT8192_AFE_GPIO_I2S8_ON);
+		else
+			mt8192_afe_gpio_select(dev, MT8192_AFE_GPIO_I2S8_OFF);
+		break;
+	case MT8192_DAI_I2S_9:
+		if (enable)
+			mt8192_afe_gpio_select(dev, MT8192_AFE_GPIO_I2S9_ON);
+		else
+			mt8192_afe_gpio_select(dev, MT8192_AFE_GPIO_I2S9_OFF);
+		break;
+	case MT8192_DAI_TDM:
+		if (enable)
+			mt8192_afe_gpio_select(dev, MT8192_AFE_GPIO_TDM_ON);
+		else
+			mt8192_afe_gpio_select(dev, MT8192_AFE_GPIO_TDM_OFF);
+		break;
+	case MT8192_DAI_VOW:
+		if (enable) {
+			mt8192_afe_gpio_select(dev,
+					       MT8192_AFE_GPIO_VOW_CLK_ON);
+			mt8192_afe_gpio_select(dev,
+					       MT8192_AFE_GPIO_VOW_DAT_ON);
+		} else {
+			mt8192_afe_gpio_select(dev,
+					       MT8192_AFE_GPIO_VOW_CLK_OFF);
+			mt8192_afe_gpio_select(dev,
+					       MT8192_AFE_GPIO_VOW_DAT_OFF);
+		}
+		break;
+	default:
+		mutex_unlock(&gpio_request_mutex);
+		dev_warn(dev, "%s(), invalid dai %d\n", __func__, dai);
+		return -EINVAL;
+	}
+	mutex_unlock(&gpio_request_mutex);
+
+	return 0;
+}

sound/soc/mediatek/mt8192/mt8192-afe-gpio.h

+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * mt8192-afe-gpio.h  --  Mediatek 8192 afe gpio ctrl definition
+ *
+ * Copyright (c) 2020 MediaTek Inc.
+ * Author: Shane Chien <shane.chien@mediatek.com>
+ */
+
+#ifndef _MT8192_AFE_GPIO_H_
+#define _MT8192_AFE_GPIO_H_
+
+struct device;
+
+int mt8192_afe_gpio_init(struct device *dev);
+
+int mt8192_afe_gpio_request(struct device *dev, bool enable,
+			    int dai, int uplink);
+
+#endif

sound/soc/mediatek/mt8192/mt8192-interconnection.h

+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Mediatek MT8192 audio driver interconnection definition
+ *
+ * Copyright (c) 2020 MediaTek Inc.
+ * Author: Shane Chien <shane.chien@mediatek.com>
+ */
+
+#ifndef _MT8192_INTERCONNECTION_H_
+#define _MT8192_INTERCONNECTION_H_
+
+/* in port define */
+#define I_I2S0_CH1 0
+#define I_I2S0_CH2 1
+#define I_ADDA_UL_CH1 3
+#define I_ADDA_UL_CH2 4
+#define I_DL1_CH1 5
+#define I_DL1_CH2 6
+#define I_DL2_CH1 7
+#define I_DL2_CH2 8
+#define I_PCM_1_CAP_CH1 9
+#define I_GAIN1_OUT_CH1 10
+#define I_GAIN1_OUT_CH2 11
+#define I_GAIN2_OUT_CH1 12
+#define I_GAIN2_OUT_CH2 13
+#define I_PCM_2_CAP_CH1 14
+#define I_ADDA_UL_CH3 17
+#define I_ADDA_UL_CH4 18
+#define I_DL12_CH1 19
+#define I_DL12_CH2 20
+#define I_PCM_2_CAP_CH2 21
+#define I_PCM_1_CAP_CH2 22
+#define I_DL3_CH1 23
+#define I_DL3_CH2 24
+#define I_I2S2_CH1 25
+#define I_I2S2_CH2 26
+#define I_I2S2_CH3 27
+#define I_I2S2_CH4 28
+
+/* in port define >= 32 */
+#define I_32_OFFSET 32
+#define I_CONNSYS_I2S_CH1 (34 - I_32_OFFSET)
+#define I_CONNSYS_I2S_CH2 (35 - I_32_OFFSET)
+#define I_SRC_1_OUT_CH1 (36 - I_32_OFFSET)
+#define I_SRC_1_OUT_CH2 (37 - I_32_OFFSET)
+#define I_SRC_2_OUT_CH1 (38 - I_32_OFFSET)
+#define I_SRC_2_OUT_CH2 (39 - I_32_OFFSET)
+#define I_DL4_CH1 (40 - I_32_OFFSET)
+#define I_DL4_CH2 (41 - I_32_OFFSET)
+#define I_DL5_CH1 (42 - I_32_OFFSET)
+#define I_DL5_CH2 (43 - I_32_OFFSET)
+#define I_DL6_CH1 (44 - I_32_OFFSET)
+#define I_DL6_CH2 (45 - I_32_OFFSET)
+#define I_DL7_CH1 (46 - I_32_OFFSET)
+#define I_DL7_CH2 (47 - I_32_OFFSET)
+#define I_DL8_CH1 (48 - I_32_OFFSET)
+#define I_DL8_CH2 (49 - I_32_OFFSET)
+#define I_DL9_CH1 (50 - I_32_OFFSET)
+#define I_DL9_CH2 (51 - I_32_OFFSET)
+#define I_I2S6_CH1 (52 - I_32_OFFSET)
+#define I_I2S6_CH2 (53 - I_32_OFFSET)
+#define I_I2S8_CH1 (54 - I_32_OFFSET)
+#define I_I2S8_CH2 (55 - I_32_OFFSET)
+
+#endif