ASoC: mediatek: mt8195: add platform driver

This patch adds mt8195 platform and affiliated driver.
Signed-off-by: Trevor Wu <trevor.wu@mediatek.com>
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/r/20210819084144.18483-7-trevor.wu@mediatek.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/mediatek/Kconfig

@@ -184,3 +184,12 @@ config SND_SOC_MT8192_MT6359_RT1015_RT5682
 	  with the MT6359 RT1015 RT5682 audio codec.
 	  Select Y if you have such device.
 	  If unsure select "N".
+
+config SND_SOC_MT8195
+	tristate "ASoC support for Mediatek MT8195 chip"
+	select SND_SOC_MEDIATEK
+	help
+	  This adds ASoC platform driver support for Mediatek MT8195 chip
+	  that can be used with other codecs.
+	  Select Y if you have such device.
+	  If unsure select "N".

sound/soc/mediatek/Makefile

@@ -5,3 +5,4 @@ obj-$(CONFIG_SND_SOC_MT6797) += mt6797/
 obj-$(CONFIG_SND_SOC_MT8173) += mt8173/
 obj-$(CONFIG_SND_SOC_MT8183) += mt8183/
 obj-$(CONFIG_SND_SOC_MT8192) += mt8192/
+obj-$(CONFIG_SND_SOC_MT8195) += mt8195/

sound/soc/mediatek/mt8195/Makefile

+# SPDX-License-Identifier: GPL-2.0
+
+# platform driver
+snd-soc-mt8195-afe-objs := \
+	mt8195-audsys-clk.o \
+	mt8195-afe-clk.o \
+	mt8195-afe-pcm.o \
+	mt8195-dai-adda.o \
+	mt8195-dai-etdm.o \
+	mt8195-dai-pcm.o
+
+obj-$(CONFIG_SND_SOC_MT8195) += snd-soc-mt8195-afe.o

sound/soc/mediatek/mt8195/mt8195-afe-clk.h

+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * mt8195-afe-clk.h  --  Mediatek 8195 afe clock ctrl definition
+ *
+ * Copyright (c) 2021 MediaTek Inc.
+ * Author: Bicycle Tsai <bicycle.tsai@mediatek.com>
+ *         Trevor Wu <trevor.wu@mediatek.com>
+ */
+
+#ifndef _MT8195_AFE_CLK_H_
+#define _MT8195_AFE_CLK_H_
+
+enum {
+	/* xtal */
+	MT8195_CLK_XTAL_26M,
+	/* divider */
+	MT8195_CLK_TOP_APLL1,
+	MT8195_CLK_TOP_APLL2,
+	MT8195_CLK_TOP_APLL12_DIV0,
+	MT8195_CLK_TOP_APLL12_DIV1,
+	MT8195_CLK_TOP_APLL12_DIV2,
+	MT8195_CLK_TOP_APLL12_DIV3,
+	MT8195_CLK_TOP_APLL12_DIV9,
+	/* mux */
+	MT8195_CLK_TOP_A1SYS_HP_SEL,
+	MT8195_CLK_TOP_AUD_INTBUS_SEL,
+	MT8195_CLK_TOP_AUDIO_H_SEL,
+	MT8195_CLK_TOP_AUDIO_LOCAL_BUS_SEL,
+	MT8195_CLK_TOP_DPTX_M_SEL,
+	MT8195_CLK_TOP_I2SO1_M_SEL,
+	MT8195_CLK_TOP_I2SO2_M_SEL,
+	MT8195_CLK_TOP_I2SI1_M_SEL,
+	MT8195_CLK_TOP_I2SI2_M_SEL,
+	/* clock gate */
+	MT8195_CLK_INFRA_AO_AUDIO_26M_B,
+	MT8195_CLK_SCP_ADSP_AUDIODSP,
+	MT8195_CLK_AUD_AFE,
+	MT8195_CLK_AUD_APLL,
+	MT8195_CLK_AUD_APLL2,
+	MT8195_CLK_AUD_DAC,
+	MT8195_CLK_AUD_ADC,
+	MT8195_CLK_AUD_DAC_HIRES,
+	MT8195_CLK_AUD_A1SYS_HP,
+	MT8195_CLK_AUD_ADC_HIRES,
+	MT8195_CLK_AUD_ADDA6_ADC,
+	MT8195_CLK_AUD_ADDA6_ADC_HIRES,
+	MT8195_CLK_AUD_I2SIN,
+	MT8195_CLK_AUD_TDM_IN,
+	MT8195_CLK_AUD_I2S_OUT,
+	MT8195_CLK_AUD_TDM_OUT,
+	MT8195_CLK_AUD_HDMI_OUT,
+	MT8195_CLK_AUD_ASRC11,
+	MT8195_CLK_AUD_ASRC12,
+	MT8195_CLK_AUD_A1SYS,
+	MT8195_CLK_AUD_A2SYS,
+	MT8195_CLK_AUD_PCMIF,
+	MT8195_CLK_AUD_MEMIF_UL1,
+	MT8195_CLK_AUD_MEMIF_UL2,
+	MT8195_CLK_AUD_MEMIF_UL3,
+	MT8195_CLK_AUD_MEMIF_UL4,
+	MT8195_CLK_AUD_MEMIF_UL5,
+	MT8195_CLK_AUD_MEMIF_UL6,
+	MT8195_CLK_AUD_MEMIF_UL8,
+	MT8195_CLK_AUD_MEMIF_UL9,
+	MT8195_CLK_AUD_MEMIF_UL10,
+	MT8195_CLK_AUD_MEMIF_DL2,
+	MT8195_CLK_AUD_MEMIF_DL3,
+	MT8195_CLK_AUD_MEMIF_DL6,
+	MT8195_CLK_AUD_MEMIF_DL7,
+	MT8195_CLK_AUD_MEMIF_DL8,
+	MT8195_CLK_AUD_MEMIF_DL10,
+	MT8195_CLK_AUD_MEMIF_DL11,
+	MT8195_CLK_NUM,
+};
+
+enum {
+	MT8195_MCK_SEL_26M,
+	MT8195_MCK_SEL_APLL1,
+	MT8195_MCK_SEL_APLL2,
+	MT8195_MCK_SEL_APLL3,
+	MT8195_MCK_SEL_APLL4,
+	MT8195_MCK_SEL_APLL5,
+	MT8195_MCK_SEL_HDMIRX_APLL,
+	MT8195_MCK_SEL_NUM,
+};
+
+struct mtk_base_afe;
+
+int mt8195_afe_get_mclk_source_clk_id(int sel);
+int mt8195_afe_get_mclk_source_rate(struct mtk_base_afe *afe, int apll);
+int mt8195_afe_get_default_mclk_source_by_rate(int rate);
+int mt8195_afe_init_clock(struct mtk_base_afe *afe);
+void mt8195_afe_deinit_clock(struct mtk_base_afe *afe);
+int mt8195_afe_enable_clk(struct mtk_base_afe *afe, struct clk *clk);
+void mt8195_afe_disable_clk(struct mtk_base_afe *afe, struct clk *clk);
+int mt8195_afe_prepare_clk(struct mtk_base_afe *afe, struct clk *clk);
+void mt8195_afe_unprepare_clk(struct mtk_base_afe *afe, struct clk *clk);
+int mt8195_afe_enable_clk_atomic(struct mtk_base_afe *afe, struct clk *clk);
+void mt8195_afe_disable_clk_atomic(struct mtk_base_afe *afe, struct clk *clk);
+int mt8195_afe_set_clk_rate(struct mtk_base_afe *afe, struct clk *clk,
+			    unsigned int rate);
+int mt8195_afe_set_clk_parent(struct mtk_base_afe *afe, struct clk *clk,
+			      struct clk *parent);
+int mt8195_afe_enable_main_clock(struct mtk_base_afe *afe);
+int mt8195_afe_disable_main_clock(struct mtk_base_afe *afe);
+int mt8195_afe_enable_reg_rw_clk(struct mtk_base_afe *afe);
+int mt8195_afe_disable_reg_rw_clk(struct mtk_base_afe *afe);
+
+#endif

sound/soc/mediatek/mt8195/mt8195-afe-common.h

+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * mt8195-afe-common.h  --  Mediatek 8195 audio driver definitions
+ *
+ * Copyright (c) 2021 MediaTek Inc.
+ * Author: Bicycle Tsai <bicycle.tsai@mediatek.com>
+ *         Trevor Wu <trevor.wu@mediatek.com>
+ */
+
+#ifndef _MT_8195_AFE_COMMON_H_
+#define _MT_8195_AFE_COMMON_H_
+
+#include <sound/soc.h>
+#include <linux/list.h>
+#include <linux/regmap.h>
+#include "../common/mtk-base-afe.h"
+
+enum {
+	MT8195_DAI_START,
+	MT8195_AFE_MEMIF_START = MT8195_DAI_START,
+	MT8195_AFE_MEMIF_DL2 = MT8195_AFE_MEMIF_START,
+	MT8195_AFE_MEMIF_DL3,
+	MT8195_AFE_MEMIF_DL6,
+	MT8195_AFE_MEMIF_DL7,
+	MT8195_AFE_MEMIF_DL8,
+	MT8195_AFE_MEMIF_DL10,
+	MT8195_AFE_MEMIF_DL11,
+	MT8195_AFE_MEMIF_UL_START,
+	MT8195_AFE_MEMIF_UL1 = MT8195_AFE_MEMIF_UL_START,
+	MT8195_AFE_MEMIF_UL2,
+	MT8195_AFE_MEMIF_UL3,
+	MT8195_AFE_MEMIF_UL4,
+	MT8195_AFE_MEMIF_UL5,
+	MT8195_AFE_MEMIF_UL6,
+	MT8195_AFE_MEMIF_UL8,
+	MT8195_AFE_MEMIF_UL9,
+	MT8195_AFE_MEMIF_UL10,
+	MT8195_AFE_MEMIF_END,
+	MT8195_AFE_MEMIF_NUM = (MT8195_AFE_MEMIF_END - MT8195_AFE_MEMIF_START),
+	MT8195_AFE_IO_START = MT8195_AFE_MEMIF_END,
+	MT8195_AFE_IO_DL_SRC = MT8195_AFE_IO_START,
+	MT8195_AFE_IO_DPTX,
+	MT8195_AFE_IO_ETDM_START,
+	MT8195_AFE_IO_ETDM1_IN = MT8195_AFE_IO_ETDM_START,
+	MT8195_AFE_IO_ETDM2_IN,
+	MT8195_AFE_IO_ETDM1_OUT,
+	MT8195_AFE_IO_ETDM2_OUT,
+	MT8195_AFE_IO_ETDM3_OUT,
+	MT8195_AFE_IO_ETDM_END,
+	MT8195_AFE_IO_ETDM_NUM =
+		(MT8195_AFE_IO_ETDM_END - MT8195_AFE_IO_ETDM_START),
+	MT8195_AFE_IO_PCM = MT8195_AFE_IO_ETDM_END,
+	MT8195_AFE_IO_UL_SRC1,
+	MT8195_AFE_IO_UL_SRC2,
+	MT8195_AFE_IO_END,
+	MT8195_AFE_IO_NUM = (MT8195_AFE_IO_END - MT8195_AFE_IO_START),
+	MT8195_DAI_END = MT8195_AFE_IO_END,
+	MT8195_DAI_NUM = (MT8195_DAI_END - MT8195_DAI_START),
+};
+
+enum {
+	MT8195_TOP_CG_A1SYS_TIMING,
+	MT8195_TOP_CG_A2SYS_TIMING,
+	MT8195_TOP_CG_26M_TIMING,
+	MT8195_TOP_CG_NUM,
+};
+
+enum {
+	MT8195_AFE_IRQ_1,
+	MT8195_AFE_IRQ_2,
+	MT8195_AFE_IRQ_3,
+	MT8195_AFE_IRQ_8,
+	MT8195_AFE_IRQ_9,
+	MT8195_AFE_IRQ_10,
+	MT8195_AFE_IRQ_13,
+	MT8195_AFE_IRQ_14,
+	MT8195_AFE_IRQ_15,
+	MT8195_AFE_IRQ_16,
+	MT8195_AFE_IRQ_17,
+	MT8195_AFE_IRQ_18,
+	MT8195_AFE_IRQ_19,
+	MT8195_AFE_IRQ_20,
+	MT8195_AFE_IRQ_21,
+	MT8195_AFE_IRQ_22,
+	MT8195_AFE_IRQ_23,
+	MT8195_AFE_IRQ_24,
+	MT8195_AFE_IRQ_25,
+	MT8195_AFE_IRQ_26,
+	MT8195_AFE_IRQ_27,
+	MT8195_AFE_IRQ_28,
+	MT8195_AFE_IRQ_NUM,
+};
+
+enum {
+	MT8195_ETDM_OUT1_1X_EN = 9,
+	MT8195_ETDM_OUT2_1X_EN = 10,
+	MT8195_ETDM_OUT3_1X_EN = 11,
+	MT8195_ETDM_IN1_1X_EN = 12,
+	MT8195_ETDM_IN2_1X_EN = 13,
+	MT8195_ETDM_IN1_NX_EN = 25,
+	MT8195_ETDM_IN2_NX_EN = 26,
+};
+
+enum {
+	MT8195_MTKAIF_MISO_0,
+	MT8195_MTKAIF_MISO_1,
+	MT8195_MTKAIF_MISO_2,
+	MT8195_MTKAIF_MISO_NUM,
+};
+
+struct mtk_dai_memif_irq_priv {
+	unsigned int asys_timing_sel;
+};
+
+struct mtkaif_param {
+	bool mtkaif_calibration_ok;
+	int mtkaif_chosen_phase[MT8195_MTKAIF_MISO_NUM];
+	int mtkaif_phase_cycle[MT8195_MTKAIF_MISO_NUM];
+	int mtkaif_dmic_on;
+	int mtkaif_adda6_only;
+};
+
+struct clk;
+
+struct mt8195_afe_private {
+	struct clk **clk;
+	struct clk_lookup **lookup;
+	struct regmap *topckgen;
+	int pm_runtime_bypass_reg_ctl;
+#ifdef CONFIG_DEBUG_FS
+	struct dentry **debugfs_dentry;
+#endif
+	int afe_on_ref_cnt;
+	int top_cg_ref_cnt[MT8195_TOP_CG_NUM];
+	spinlock_t afe_ctrl_lock;	/* Lock for afe control */
+	struct mtk_dai_memif_irq_priv irq_priv[MT8195_AFE_IRQ_NUM];
+	struct mtkaif_param mtkaif_params;
+
+	/* dai */
+	void *dai_priv[MT8195_DAI_NUM];
+};
+
+int mt8195_afe_fs_timing(unsigned int rate);
+/* dai register */
+int mt8195_dai_adda_register(struct mtk_base_afe *afe);
+int mt8195_dai_etdm_register(struct mtk_base_afe *afe);
+int mt8195_dai_pcm_register(struct mtk_base_afe *afe);
+
+#define MT8195_SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put, id) \
+{ \
+	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+	.info = snd_soc_info_enum_double, \
+	.get = xhandler_get, .put = xhandler_put, \
+	.device = id, \
+	.private_value = (unsigned long)&xenum, \
+}
+
+#endif