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armbian-build/patch/kernel/archive/sunxi-6.13/patches.armbian/Sound-for-H616-H618-Allwinn...

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From fe8ed90523552584a15d26beebbb3458aea5b9da Mon Sep 17 00:00:00 2001
From: Stephen Graf <stephen.graf@gmail.com>
Date: Wed, 26 Mar 2025 17:06:51 +0000
Subject: Sound for H616, H618 Allwinner SOCs
The Linux kernel now (v6.13) provides an analog codec
for H616 SoCs in sun41.codec.c. We will use it.
arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi
arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi include/sound/soc-dai.h
sound/soc/Kconfig sound/soc/Makefile sound/soc/soc-core.c
sound/soc/sunxi_v2/Kconfig sound/soc/sunxi_v2/Makefile
sound/soc/sunxi_v2/drv_hdmi.h sound/soc/sunxi_v2/snd_sunxi_ahub.c
sound/soc/sunxi_v2/snd_sunxi_ahub.h sound/soc/sunxi_v2/snd_sunxi_ahub_dam.c
sound/soc/sunxi_v2/snd_sunxi_ahub_dam.h sound/soc/sunxi_v2/snd_sunxi_common.c
sound/soc/sunxi_v2/snd_sunxi_common.h sound/soc/sunxi_v2/snd_sunxi_log.h
sound/soc/sunxi_v2/snd_sunxi_mach.c sound/soc/sunxi_v2/snd_sunxi_mach.h
sound/soc/sunxi_v2/snd_sunxi_mach_utils.c
sound/soc/sunxi_v2/snd_sunxi_mach_utils.h
Signed-off-by: Stephen Graf <stephen.graf@gmail.com>
---
.../allwinner/sun50i-h616-orangepi-zero.dtsi | 12 +
.../arm64/boot/dts/allwinner/sun50i-h616.dtsi | 60 +-
include/sound/soc-dai.h | 13 +
sound/soc/Kconfig | 1 +
sound/soc/Makefile | 1 +
sound/soc/soc-core.c | 25 +
sound/soc/sunxi_v2/Kconfig | 45 +
sound/soc/sunxi_v2/Makefile | 11 +
sound/soc/sunxi_v2/drv_hdmi.h | 63 +
sound/soc/sunxi_v2/snd_sunxi_ahub.c | 1475 +++++++++++++++++
sound/soc/sunxi_v2/snd_sunxi_ahub.h | 74 +
sound/soc/sunxi_v2/snd_sunxi_ahub_dam.c | 532 ++++++
sound/soc/sunxi_v2/snd_sunxi_ahub_dam.h | 294 ++++
sound/soc/sunxi_v2/snd_sunxi_common.c | 267 +++
sound/soc/sunxi_v2/snd_sunxi_common.h | 67 +
sound/soc/sunxi_v2/snd_sunxi_log.h | 29 +
sound/soc/sunxi_v2/snd_sunxi_mach.c | 479 ++++++
sound/soc/sunxi_v2/snd_sunxi_mach.h | 20 +
sound/soc/sunxi_v2/snd_sunxi_mach_utils.c | 422 +++++
sound/soc/sunxi_v2/snd_sunxi_mach_utils.h | 116 ++
20 files changed, 4005 insertions(+), 1 deletion(-)
create mode 100644 sound/soc/sunxi_v2/Kconfig
create mode 100644 sound/soc/sunxi_v2/Makefile
create mode 100644 sound/soc/sunxi_v2/drv_hdmi.h
create mode 100644 sound/soc/sunxi_v2/snd_sunxi_ahub.c
create mode 100644 sound/soc/sunxi_v2/snd_sunxi_ahub.h
create mode 100644 sound/soc/sunxi_v2/snd_sunxi_ahub_dam.c
create mode 100644 sound/soc/sunxi_v2/snd_sunxi_ahub_dam.h
create mode 100644 sound/soc/sunxi_v2/snd_sunxi_common.c
create mode 100644 sound/soc/sunxi_v2/snd_sunxi_common.h
create mode 100644 sound/soc/sunxi_v2/snd_sunxi_log.h
create mode 100644 sound/soc/sunxi_v2/snd_sunxi_mach.c
create mode 100644 sound/soc/sunxi_v2/snd_sunxi_mach.h
create mode 100644 sound/soc/sunxi_v2/snd_sunxi_mach_utils.c
create mode 100644 sound/soc/sunxi_v2/snd_sunxi_mach_utils.h
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi
index 60f643abb3eb..109c33c6558f 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi
@@ -110,6 +110,18 @@ &de {
status = "okay";
};
+&ahub_dam_plat {
+ status = "okay";
+};
+
+&ahub1_plat {
+ status = "okay";
+};
+
+&ahub1_mach {
+ status = "okay";
+};
+
&ehci1 {
status = "okay";
};
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
index 6c1f1087f199..954c8eab2c44 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
@@ -642,7 +642,8 @@ gic: interrupt-controller@3021000 {
};
iommu: iommu@30f0000 {
- compatible = "allwinner,sun50i-h616-iommu";
+ compatible = "allwinner,sun50i-h616-iommu",
+ "allwinner,sun50i-h6-iommu";
reg = <0x030f0000 0x10000>;
interrupts = <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&ccu CLK_BUS_IOMMU>;
@@ -1009,6 +1010,63 @@ codec: codec@5096000 {
status = "disabled";
};
+ ahub_dam_plat:ahub_dam_plat@5097000 {
+ #sound-dai-cells = <0>;
+ /* sound card without pcm for hardware mix setting */
+ compatible = "allwinner,sunxi-snd-plat-ahub_dam";
+ reg = <0x05097000 0x1000>;
+ resets = <&ccu RST_BUS_AUDIO_HUB>;
+ clocks = <&ccu CLK_AUDIO_CODEC_1X>,
+ <&ccu CLK_AUDIO_CODEC_4X>,
+ <&ccu CLK_AUDIO_HUB>,
+ <&ccu CLK_BUS_AUDIO_HUB>;
+ clock-names = "clk_pll_audio",
+ "clk_pll_audio_4x",
+ "clk_audio_hub",
+ "clk_bus_audio_hub";
+ status = "disabled";
+ };
+
+ ahub1_plat:ahub1_plat {
+ #sound-dai-cells = <0>;
+ compatible = "allwinner,sunxi-snd-plat-ahub";
+ apb_num = <1>; /* for dma port 4 */
+ dmas = <&dma 4>, <&dma 4>;
+ dma-names = "tx", "rx";
+ playback_cma = <128>;
+ capture_cma = <128>;
+ tx_fifo_size = <128>;
+ rx_fifo_size = <128>;
+
+ tdm_num = <1>;
+ tx_pin = <0>;
+ rx_pin = <0>;
+ status = "disabled";
+ };
+
+ ahub1_mach:ahub1_mach {
+ compatible = "allwinner,sunxi-snd-mach";
+ soundcard-mach,name = "HDMI";
+
+ soundcard-mach,format = "i2s";
+ soundcard-mach,frame-master = <&ahub1_cpu>;
+ soundcard-mach,bitclock-master = <&ahub1_cpu>;
+ /* soundcard-mach,frame-inversion; */
+ /* soundcard-mach,bitclock-inversion; */
+ soundcard-mach,slot-num = <2>;
+ soundcard-mach,slot-width = <32>;
+ status = "disabled";
+ ahub1_cpu: soundcard-mach,cpu {
+ sound-dai = <&ahub1_plat>;
+ soundcard-mach,pll-fs = <4>;
+ soundcard-mach,mclk-fs = <0>;
+ };
+
+ ahub1_codec: soundcard-mach,codec {
+ sound-dai = <&hdmi>;
+ };
+ };
+
usbotg: usb@5100000 {
compatible = "allwinner,sun50i-h616-musb",
"allwinner,sun8i-h3-musb";
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
index aab57c19f62b..91309f090e27 100644
--- a/include/sound/soc-dai.h
+++ b/include/sound/soc-dai.h
@@ -410,6 +410,15 @@ struct snd_soc_dai_driver {
struct snd_soc_dobj dobj;
const struct of_phandle_args *dai_args;
+ /* DAI driver callbacks */
+ int (*probe)(struct snd_soc_dai *dai);
+ int (*remove)(struct snd_soc_dai *dai);
+ /* compress dai */
+ int (*compress_new)(struct snd_soc_pcm_runtime *rtd);
+ /* Optional Callback used at pcm creation*/
+ int (*pcm_new)(struct snd_soc_pcm_runtime *rtd,
+ struct snd_soc_dai *dai);
+
/* ops */
const struct snd_soc_dai_ops *ops;
const struct snd_soc_cdai_ops *cops;
@@ -420,6 +429,10 @@ struct snd_soc_dai_driver {
unsigned int symmetric_rate:1;
unsigned int symmetric_channels:1;
unsigned int symmetric_sample_bits:1;
+
+ /* probe ordering - for components with runtime dependencies */
+ int probe_order;
+ int remove_order;
};
/* for Playback/Capture */
diff --git a/sound/soc/Kconfig b/sound/soc/Kconfig
index 5efba76abb31..b1b4693ca49b 100644
--- a/sound/soc/Kconfig
+++ b/sound/soc/Kconfig
@@ -117,6 +117,7 @@ source "sound/soc/starfive/Kconfig"
source "sound/soc/sti/Kconfig"
source "sound/soc/stm/Kconfig"
source "sound/soc/sunxi/Kconfig"
+source "sound/soc/sunxi_v2/Kconfig"
source "sound/soc/tegra/Kconfig"
source "sound/soc/ti/Kconfig"
source "sound/soc/uniphier/Kconfig"
diff --git a/sound/soc/Makefile b/sound/soc/Makefile
index 08baaa11d813..ca53a0853e0f 100644
--- a/sound/soc/Makefile
+++ b/sound/soc/Makefile
@@ -70,6 +70,7 @@ obj-$(CONFIG_SND_SOC) += starfive/
obj-$(CONFIG_SND_SOC) += sti/
obj-$(CONFIG_SND_SOC) += stm/
obj-$(CONFIG_SND_SOC) += sunxi/
+obj-$(CONFIG_SND_SOC) += sunxi_v2/
obj-$(CONFIG_SND_SOC) += tegra/
obj-$(CONFIG_SND_SOC) += ti/
obj-$(CONFIG_SND_SOC) += uniphier/
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index a1dace4bb616..ec05135e25fa 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -2629,6 +2629,7 @@ struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component,
{
struct device *dev = component->dev;
struct snd_soc_dai *dai;
+ struct snd_soc_dai_ops *ops; /* REMOVE ME */
lockdep_assert_held(&client_mutex);
@@ -2657,6 +2658,30 @@ struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component,
if (!dai->name)
return NULL;
+ /* REMOVE ME */
+ if (dai_drv->probe ||
+ dai_drv->remove ||
+ dai_drv->compress_new ||
+ dai_drv->pcm_new ||
+ dai_drv->probe_order ||
+ dai_drv->remove_order) {
+
+ ops = devm_kzalloc(dev, sizeof(struct snd_soc_dai_ops), GFP_KERNEL);
+ if (!ops)
+ return NULL;
+ if (dai_drv->ops)
+ memcpy(ops, dai_drv->ops, sizeof(struct snd_soc_dai_ops));
+
+ ops->probe = dai_drv->probe;
+ ops->remove = dai_drv->remove;
+ ops->compress_new = dai_drv->compress_new;
+ ops->pcm_new = dai_drv->pcm_new;
+ ops->probe_order = dai_drv->probe_order;
+ ops->remove_order = dai_drv->remove_order;
+
+ dai_drv->ops = ops;
+ }
+
dai->component = component;
dai->dev = dev;
dai->driver = dai_drv;
diff --git a/sound/soc/sunxi_v2/Kconfig b/sound/soc/sunxi_v2/Kconfig
new file mode 100644
index 000000000000..e5d4aff7e6ca
--- /dev/null
+++ b/sound/soc/sunxi_v2/Kconfig
@@ -0,0 +1,45 @@
+# common
+config SND_SOC_SUNXI_MACH
+ tristate
+
+# ahub dam
+config SND_SOC_SUNXI_AHUB_DAM
+ tristate
+
+config SND_SOC_SUNXI_INTERNALCODEC
+ tristate
+
+# menu select
+menu "Allwinner SoC Audio support V2"
+ depends on ARCH_SUNXI
+
+# aaudio
+config SND_SOC_SUNXI_AAUDIO
+ tristate "Allwinner AAUDIO support"
+ select REGMAP_MMIO
+ select SND_SOC_GENERIC_DMAENGINE_PCM
+ select SND_SOC_SUNXI_MACH
+ select SND_SOC_SUNXI_INTERNALCODEC
+ select SND_SUN4I_CODEC
+ depends on ARCH_SUNXI
+ help
+ Select Y or M to support analog-audio Module in the Allwinner SoCs.
+
+# ahub
+config SND_SOC_SUNXI_AHUB
+ tristate "Allwinner AHUB Support"
+ select REGMAP_MMIO
+ select SND_SOC_GENERIC_DMAENGINE_PCM
+ select SND_SOC_SUNXI_MACH
+ select SND_SOC_SUNXI_AHUB_DAM
+ depends on ARCH_SUNXI
+ help
+ Select Y or M to support audio-hub Module in Allwinner SoCs.
+
+config SND_SOC_SUNXI_DEBUG
+ tristate "Components Debug"
+ depends on SND_SOC_SUNXI_COMPONENTS
+ help
+ Select Y or M to support debug components.
+
+endmenu
diff --git a/sound/soc/sunxi_v2/Makefile b/sound/soc/sunxi_v2/Makefile
new file mode 100644
index 000000000000..c7c2ef8f9fe9
--- /dev/null
+++ b/sound/soc/sunxi_v2/Makefile
@@ -0,0 +1,11 @@
+# platform -> ahub
+snd_soc_sunxi_ahub_dam-objs += snd_sunxi_ahub_dam.o
+obj-$(CONFIG_SND_SOC_SUNXI_AHUB_DAM) += snd_soc_sunxi_ahub_dam.o
+
+snd_soc_sunxi_ahub-objs += snd_sunxi_ahub.o
+obj-$(CONFIG_SND_SOC_SUNXI_AHUB) += snd_soc_sunxi_ahub.o
+
+# common -> machine (note: Finally compile, save system startup time)
+snd_soc_sunxi_machine-objs += snd_sunxi_mach.o
+snd_soc_sunxi_machine-objs += snd_sunxi_mach_utils.o
+obj-$(CONFIG_SND_SOC_SUNXI_MACH) += snd_soc_sunxi_machine.o
diff --git a/sound/soc/sunxi_v2/drv_hdmi.h b/sound/soc/sunxi_v2/drv_hdmi.h
new file mode 100644
index 000000000000..2e05489b01e1
--- /dev/null
+++ b/sound/soc/sunxi_v2/drv_hdmi.h
@@ -0,0 +1,63 @@
+/*
+ * Allwinner SoCs hdmi driver.
+ *
+ * Copyright (C) 2016 Allwinner.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __DRV_HDMI_H__
+#define __DRV_HDMI_H__
+
+typedef struct {
+ __u8 hw_intf; /* 0:iis 1:spdif 2:pcm */
+ __u16 fs_between; /* fs */
+ __u32 sample_rate; /*sample rate*/
+ __u8 clk_edge; /* 0:*/
+ __u8 ch0_en; /* 1 */
+ __u8 ch1_en; /* 0 */
+ __u8 ch2_en; /* 0 */
+ __u8 ch3_en; /* 0 */
+ __u8 word_length; /* 32 */
+ __u8 shift_ctl; /* 0 */
+ __u8 dir_ctl; /* 0 */
+ __u8 ws_pol;
+ __u8 just_pol;
+ __u8 channel_num;
+ __u8 data_raw;
+ __u8 sample_bit;
+ __u8 ca; /* channel allocation */
+} hdmi_audio_t;
+
+typedef struct {
+ __s32 (*hdmi_audio_enable)(__u8 mode, __u8 channel);
+ __s32 (*hdmi_set_audio_para)(hdmi_audio_t *audio_para);
+ __s32 (*hdmi_is_playback)(void);
+} __audio_hdmi_func;
+
+enum hdmi_hpd_status {
+ STATUE_CLOSE = 0,
+ STATUE_OPEN = 1,
+};
+
+void audio_set_hdmi_func(__audio_hdmi_func *hdmi_func);
+#if defined(CONFIG_SND_SUNXI_SOC_AUDIOHUB_INTERFACE)
+void audio_set_muti_hdmi_func(__audio_hdmi_func *hdmi_func);
+#endif
+
+/******************** SND_HDMI for sunxi_v2 begain ***************************/
+#if IS_ENABLED(CONFIG_HDMI2_DISP2_SUNXI)
+extern int snd_hdmi_get_func(__audio_hdmi_func *hdmi_func);
+#else
+static inline int snd_hdmi_get_func(__audio_hdmi_func *hdmi_func)
+{
+ pr_err("HDMI Audio API is disable\n");
+
+ return -1;
+}
+#endif
+/******************** SND_HDMI for sunxi_v2 end ******************************/
+
+#endif
diff --git a/sound/soc/sunxi_v2/snd_sunxi_ahub.c b/sound/soc/sunxi_v2/snd_sunxi_ahub.c
new file mode 100644
index 000000000000..6d4a847a928f
--- /dev/null
+++ b/sound/soc/sunxi_v2/snd_sunxi_ahub.c
@@ -0,0 +1,1475 @@
+/*
+ * sound\soc\sunxi\snd_sunxi_ahub.c
+ * (C) Copyright 2021-2025
+ * AllWinner Technology Co., Ltd. <www.allwinnertech.com>
+ * Dby <dby@allwinnertech.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/regulator/consumer.h>
+#include <linux/of.h>
+#include <linux/clk.h>
+#include <linux/reset.h>
+#include <linux/device.h>
+#include <linux/pinctrl/consumer.h>
+#include <linux/ioport.h>
+#include <linux/regmap.h>
+#include <linux/of_address.h>
+#include <linux/of_gpio.h>
+#include <sound/soc.h>
+#include <sound/pcm_params.h>
+#include <sound/dmaengine_pcm.h>
+
+#include "snd_sunxi_log.h"
+#include "snd_sunxi_ahub.h"
+
+#define HLOG "AHUB"
+#define DRV_NAME "sunxi-snd-plat-ahub"
+
+static int sunxi_ahub_dai_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct sunxi_ahub_info *ahub_info = snd_soc_dai_get_drvdata(dai);
+ struct regmap *regmap = NULL;
+ unsigned int apb_num, tdm_num;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ regmap = ahub_info->mem_info.regmap;
+ apb_num = ahub_info->dts_info.apb_num;
+ tdm_num = ahub_info->dts_info.tdm_num;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ snd_soc_dai_set_dma_data(dai, substream,
+ &ahub_info->playback_dma_param);
+ } else {
+ snd_soc_dai_set_dma_data(dai, substream,
+ &ahub_info->capture_dma_param);
+ }
+
+ /* APBIF & I2S of RST and GAT */
+ if (tdm_num > 3 || apb_num > 2) {
+ SND_LOG_ERR(HLOG, "unspport tdm num or apbif num\n");
+ return -EINVAL;
+ }
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ regmap_update_bits(regmap, SUNXI_AHUB_RST,
+ 0x1 << (APBIF_TXDIF0_RST - apb_num),
+ 0x1 << (APBIF_TXDIF0_RST - apb_num));
+ regmap_update_bits(regmap, SUNXI_AHUB_GAT,
+ 0x1 << (APBIF_TXDIF0_GAT - apb_num),
+ 0x1 << (APBIF_TXDIF0_GAT - apb_num));
+ } else {
+ regmap_update_bits(regmap, SUNXI_AHUB_RST,
+ 0x1 << (APBIF_RXDIF0_RST - apb_num),
+ 0x1 << (APBIF_RXDIF0_RST - apb_num));
+ regmap_update_bits(regmap, SUNXI_AHUB_GAT,
+ 0x1 << (APBIF_RXDIF0_GAT - apb_num),
+ 0x1 << (APBIF_RXDIF0_GAT - apb_num));
+ }
+
+ return 0;
+}
+
+static int sunxi_ahub_dai_set_pll(struct snd_soc_dai *dai,
+ int pll_id, int source,
+ unsigned int freq_in, unsigned int freq_out)
+{
+ struct sunxi_ahub_info *ahub_info = snd_soc_dai_get_drvdata(dai);
+ struct sunxi_ahub_clk_info *clk_info = NULL;
+
+ SND_LOG_DEBUG(HLOG, "stream -> %s, freq_in ->%u, freq_out ->%u\n",
+ pll_id ? "IN" : "OUT", freq_in, freq_out);
+
+ if (IS_ERR_OR_NULL(ahub_info)) {
+ SND_LOG_ERR(HLOG, "ahub_info is null.\n");
+ return -ENOMEM;
+ }
+ clk_info = &ahub_info->clk_info;
+
+ if (freq_in > 24576000) {
+ //if (clk_set_parent(clk_info->clk_module, clk_info->clk_pllx4)) {
+ // SND_LOG_ERR(HLOG, "set parent of clk_module to pllx4 failed\n");
+ // return -EINVAL;
+ //}
+
+ if (clk_set_rate(clk_info->clk_pll, freq_in)) {
+ SND_LOG_ERR(HLOG, "freq : %u pllx4 clk unsupport\n", freq_in);
+ return -EINVAL;
+ }
+ } else {
+ //if (clk_set_parent(clk_info->clk_module, clk_info->clk_pll)) {
+ // SND_LOG_ERR(HLOG, "set parent of clk_module to pll failed\n");
+ // return -EINVAL;
+ //}
+ if (clk_set_rate(clk_info->clk_pll, freq_in)) {
+ SND_LOG_ERR(HLOG, "freq : %u pll clk unsupport\n", freq_in);
+ return -EINVAL;
+ }
+ }
+ if (clk_set_rate(clk_info->clk_module, freq_out / 2)) {
+ SND_LOG_ERR(HLOG, "freq : %u module clk unsupport\n", freq_out);
+ return -EINVAL;
+ }
+
+ ahub_info->pllclk_freq = freq_in;
+ ahub_info->mclk_freq = freq_out;
+
+ return 0;
+}
+
+static int sunxi_ahub_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
+ unsigned int freq, int dir)
+{
+ struct sunxi_ahub_info *ahub_info = snd_soc_dai_get_drvdata(dai);
+ struct regmap *regmap = NULL;
+ unsigned int tdm_num;
+ unsigned int mclk_ratio, mclk_ratio_map;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ if (IS_ERR_OR_NULL(ahub_info)) {
+ SND_LOG_ERR(HLOG, "ahub_info is null.\n");
+ return -ENOMEM;
+ }
+ regmap = ahub_info->mem_info.regmap;
+ tdm_num = ahub_info->dts_info.tdm_num;
+
+ if (freq == 0) {
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_CLKD(tdm_num),
+ 0x1 << I2S_CLKD_MCLK, 0x0 << I2S_CLKD_MCLK);
+ SND_LOG_DEBUG(HLOG, "mclk freq: 0\n");
+ return 0;
+ }
+ if (ahub_info->pllclk_freq == 0) {
+ SND_LOG_ERR(HLOG, "pllclk freq is invalid\n");
+ return -ENOMEM;
+ }
+ mclk_ratio = ahub_info->pllclk_freq / freq;
+
+ switch (mclk_ratio) {
+ case 1:
+ mclk_ratio_map = 1;
+ break;
+ case 2:
+ mclk_ratio_map = 2;
+ break;
+ case 4:
+ mclk_ratio_map = 3;
+ break;
+ case 6:
+ mclk_ratio_map = 4;
+ break;
+ case 8:
+ mclk_ratio_map = 5;
+ break;
+ case 12:
+ mclk_ratio_map = 6;
+ break;
+ case 16:
+ mclk_ratio_map = 7;
+ break;
+ case 24:
+ mclk_ratio_map = 8;
+ break;
+ case 32:
+ mclk_ratio_map = 9;
+ break;
+ case 48:
+ mclk_ratio_map = 10;
+ break;
+ case 64:
+ mclk_ratio_map = 11;
+ break;
+ case 96:
+ mclk_ratio_map = 12;
+ break;
+ case 128:
+ mclk_ratio_map = 13;
+ break;
+ case 176:
+ mclk_ratio_map = 14;
+ break;
+ case 192:
+ mclk_ratio_map = 15;
+ break;
+ default:
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_CLKD(tdm_num),
+ 0x1 << I2S_CLKD_MCLK, 0x0 << I2S_CLKD_MCLK);
+ SND_LOG_ERR(HLOG, "mclk freq div unsupport\n");
+ return -EINVAL;
+ }
+
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_CLKD(tdm_num),
+ 0xf << I2S_CLKD_MCLKDIV,
+ mclk_ratio_map << I2S_CLKD_MCLKDIV);
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_CLKD(tdm_num),
+ 0x1 << I2S_CLKD_MCLK, 0x1 << I2S_CLKD_MCLK);
+
+ return 0;
+}
+
+static int sunxi_ahub_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
+{
+ struct sunxi_ahub_info *ahub_info = snd_soc_dai_get_drvdata(dai);
+ struct regmap *regmap = NULL;
+ unsigned int tdm_num;
+ unsigned int bclk_ratio;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ if (IS_ERR_OR_NULL(ahub_info)) {
+ SND_LOG_ERR(HLOG, "ahub_info is null.\n");
+ return -ENOMEM;
+ }
+ regmap = ahub_info->mem_info.regmap;
+ tdm_num = ahub_info->dts_info.tdm_num;
+
+ /* ratio -> cpudai pllclk / pcm rate */
+ switch (ratio) {
+ case 1:
+ bclk_ratio = 1;
+ break;
+ case 2:
+ bclk_ratio = 2;
+ break;
+ case 4:
+ bclk_ratio = 3;
+ break;
+ case 6:
+ bclk_ratio = 4;
+ break;
+ case 8:
+ bclk_ratio = 5;
+ break;
+ case 12:
+ bclk_ratio = 6;
+ break;
+ case 16:
+ bclk_ratio = 7;
+ break;
+ case 24:
+ bclk_ratio = 8;
+ break;
+ case 32:
+ bclk_ratio = 9;
+ break;
+ case 48:
+ bclk_ratio = 10;
+ break;
+ case 64:
+ bclk_ratio = 11;
+ break;
+ case 96:
+ bclk_ratio = 12;
+ break;
+ case 128:
+ bclk_ratio = 13;
+ break;
+ case 176:
+ bclk_ratio = 14;
+ break;
+ case 192:
+ bclk_ratio = 15;
+ break;
+ default:
+ SND_LOG_ERR(HLOG, "bclk freq div unsupport\n");
+ return -EINVAL;
+ }
+
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_CLKD(tdm_num),
+ 0xf << I2S_CLKD_BCLKDIV,
+ (bclk_ratio - 2) << I2S_CLKD_BCLKDIV);
+
+ return 0;
+}
+
+static int sunxi_ahub_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+ struct sunxi_ahub_info *ahub_info = snd_soc_dai_get_drvdata(dai);
+ struct regmap *regmap = NULL;
+ unsigned int tdm_num, tx_pin, rx_pin;
+ unsigned int mode, offset;
+ unsigned int lrck_polarity, brck_polarity;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ ahub_info->fmt = fmt;
+
+ if (IS_ERR_OR_NULL(ahub_info)) {
+ SND_LOG_ERR(HLOG, "ahub_info is null.\n");
+ return -ENOMEM;
+ }
+ regmap = ahub_info->mem_info.regmap;
+ tdm_num = ahub_info->dts_info.tdm_num;
+ tx_pin = ahub_info->dts_info.tx_pin;
+ rx_pin = ahub_info->dts_info.rx_pin;
+
+ /* set TDM format */
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ mode = 1;
+ offset = 1;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ mode = 2;
+ offset = 0;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ mode = 1;
+ offset = 0;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ mode = 0;
+ offset = 1;
+ /* L data MSB after FRM LRC (short frame) */
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_FMT0(tdm_num),
+ 0x1 << I2S_FMT0_LRCK_WIDTH,
+ 0x0 << I2S_FMT0_LRCK_WIDTH);
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ mode = 0;
+ offset = 0;
+ /* L data MSB during FRM LRC (long frame) */
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_FMT0(tdm_num),
+ 0x1 << I2S_FMT0_LRCK_WIDTH,
+ 0x1 << I2S_FMT0_LRCK_WIDTH);
+ break;
+ default:
+ SND_LOG_ERR(HLOG, "format setting failed\n");
+ return -EINVAL;
+ }
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_CTL(tdm_num),
+ 0x3 << I2S_CTL_MODE, mode << I2S_CTL_MODE);
+ /* regmap_update_bits(regmap, SUNXI_AHUB_I2S_OUT_SLOT(tdm_num, tx_pin),
+ * 0x3 << I2S_OUT_OFFSET, offset << I2S_OUT_OFFSET);
+ */
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_OUT_SLOT(tdm_num, 0),
+ 0x3 << I2S_OUT_OFFSET, offset << I2S_OUT_OFFSET);
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_OUT_SLOT(tdm_num, 1),
+ 0x3 << I2S_OUT_OFFSET, offset << I2S_OUT_OFFSET);
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_OUT_SLOT(tdm_num, 2),
+ 0x3 << I2S_OUT_OFFSET, offset << I2S_OUT_OFFSET);
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_OUT_SLOT(tdm_num, 3),
+ 0x3 << I2S_OUT_OFFSET, offset << I2S_OUT_OFFSET);
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_IN_SLOT(tdm_num),
+ 0x3 << I2S_IN_OFFSET, offset << I2S_IN_OFFSET);
+
+ /* set lrck & bclk polarity */
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ lrck_polarity = 0;
+ brck_polarity = 0;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ lrck_polarity = 1;
+ brck_polarity = 0;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ lrck_polarity = 0;
+ brck_polarity = 1;
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ lrck_polarity = 1;
+ brck_polarity = 1;
+ break;
+ default:
+ SND_LOG_ERR(HLOG, "invert clk setting failed\n");
+ return -EINVAL;
+ }
+ if (((fmt & SND_SOC_DAIFMT_FORMAT_MASK) == SND_SOC_DAIFMT_DSP_A) ||
+ ((fmt & SND_SOC_DAIFMT_FORMAT_MASK) == SND_SOC_DAIFMT_DSP_B))
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_FMT0(tdm_num),
+ 0x1 << I2S_FMT0_LRCK_POLARITY,
+ (lrck_polarity^1) << I2S_FMT0_LRCK_POLARITY);
+ else
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_FMT0(tdm_num),
+ 0x1 << I2S_FMT0_LRCK_POLARITY,
+ lrck_polarity << I2S_FMT0_LRCK_POLARITY);
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_FMT0(tdm_num),
+ 0x1 << I2S_FMT0_BCLK_POLARITY,
+ brck_polarity << I2S_FMT0_BCLK_POLARITY);
+
+ /* set master/slave */
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ /* lrck & bclk dir output */
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_CTL(tdm_num),
+ 0x1 << I2S_CTL_CLK_OUT, 0x0 << I2S_CTL_CLK_OUT);
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ /* lrck & bclk dir input */
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_CTL(tdm_num),
+ 0x1 << I2S_CTL_CLK_OUT, 0x1 << I2S_CTL_CLK_OUT);
+ break;
+ default:
+ SND_LOG_ERR(HLOG, "unknown master/slave format\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int sunxi_ahub_dai_set_tdm_slot(struct snd_soc_dai *dai,
+ unsigned int tx_mask, unsigned int rx_mask,
+ int slots, int slot_width)
+{
+ struct sunxi_ahub_info *ahub_info = snd_soc_dai_get_drvdata(dai);
+ struct regmap *regmap = NULL;
+ unsigned int tdm_num, tx_pin, rx_pin;
+ unsigned int slot_width_map, lrck_width_map;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ if (IS_ERR_OR_NULL(ahub_info)) {
+ SND_LOG_ERR(HLOG, "ahub_info is null\n");
+ return -ENOMEM;
+ }
+ regmap = ahub_info->mem_info.regmap;
+ tdm_num = ahub_info->dts_info.tdm_num;
+ tx_pin = ahub_info->dts_info.tx_pin;
+ rx_pin = ahub_info->dts_info.rx_pin;
+
+ switch (slot_width) {
+ case 8:
+ slot_width_map = 1;
+ break;
+ case 12:
+ slot_width_map = 2;
+ break;
+ case 16:
+ slot_width_map = 3;
+ break;
+ case 20:
+ slot_width_map = 4;
+ break;
+ case 24:
+ slot_width_map = 5;
+ break;
+ case 28:
+ slot_width_map = 6;
+ break;
+ case 32:
+ slot_width_map = 7;
+ break;
+ default:
+ SND_LOG_ERR(HLOG, "unknown slot width\n");
+ return -EINVAL;
+ }
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_FMT0(tdm_num),
+ 0x7 << I2S_FMT0_SW, slot_width_map << I2S_FMT0_SW);
+
+ /* bclk num of per channel
+ * I2S/RIGHT_J/LEFT_J -> lrck long total is lrck_width_map * 2
+ * DSP_A/DAP_B -> lrck long total is lrck_width_map * 1
+ */
+ switch (ahub_info->fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ case SND_SOC_DAIFMT_RIGHT_J:
+ case SND_SOC_DAIFMT_LEFT_J:
+ slots /= 2;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ case SND_SOC_DAIFMT_DSP_B:
+ break;
+ default:
+ SND_LOG_ERR(HLOG, "unsupoort format\n");
+ return -EINVAL;
+ }
+ lrck_width_map = slots * slot_width - 1;
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_FMT0(tdm_num),
+ 0x3ff << I2S_FMT0_LRCK_PERIOD,
+ lrck_width_map << I2S_FMT0_LRCK_PERIOD);
+
+ return 0;
+}
+
+static int sunxi_ahub_dai_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct sunxi_ahub_info *ahub_info = snd_soc_dai_get_drvdata(dai);
+ struct regmap *regmap = NULL;
+ unsigned int apb_num, tdm_num, tx_pin, rx_pin;
+ unsigned int channels;
+ unsigned int channels_en[16] = {
+ 0x0001, 0x0003, 0x0007, 0x000f, 0x001f, 0x003f, 0x007f, 0x00ff,
+ 0x01ff, 0x03ff, 0x07ff, 0x0fff, 0x1fff, 0x3fff, 0x7fff, 0xffff
+ };
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ if (IS_ERR_OR_NULL(ahub_info)) {
+ SND_LOG_ERR(HLOG, "ahub_info is null.\n");
+ return -ENOMEM;
+ }
+ regmap = ahub_info->mem_info.regmap;
+ apb_num = ahub_info->dts_info.apb_num;
+ tdm_num = ahub_info->dts_info.tdm_num;
+ tx_pin = ahub_info->dts_info.tx_pin;
+ rx_pin = ahub_info->dts_info.rx_pin;
+
+ /* configure DMA */
+ switch (params_physical_width(params)) {
+ case 16:
+ ahub_info->playback_dma_param.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
+ ahub_info->capture_dma_param.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
+ break;
+ case 24:
+ case 32:
+ ahub_info->playback_dma_param.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+ ahub_info->capture_dma_param.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+ break;
+ default:
+ dev_err(dai->dev, "Unsupported physical sample width: %d\n",
+ params_physical_width(params));
+ return -EINVAL;
+ }
+
+ /* set bits */
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ /* apbifn bits */
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ regmap_update_bits(regmap,
+ SUNXI_AHUB_APBIF_TX_CTL(apb_num),
+ 0x7 << APBIF_TX_WS,
+ 0x3 << APBIF_TX_WS);
+ regmap_update_bits(regmap,
+ SUNXI_AHUB_APBIF_TXFIFO_CTL(apb_num),
+ 0x1 << APBIF_TX_TXIM,
+ 0x1 << APBIF_TX_TXIM);
+ } else {
+ regmap_update_bits(regmap,
+ SUNXI_AHUB_APBIF_RX_CTL(apb_num),
+ 0x7 << APBIF_RX_WS,
+ 0x3 << APBIF_RX_WS);
+ regmap_update_bits(regmap,
+ SUNXI_AHUB_APBIF_RXFIFO_CTL(apb_num),
+ 0x3 << APBIF_RX_RXOM,
+ 0x1 << APBIF_RX_RXOM);
+ }
+
+ regmap_update_bits(regmap,
+ SUNXI_AHUB_I2S_FMT0(tdm_num),
+ 0x7 << I2S_FMT0_SR,
+ 0x3 << I2S_FMT0_SR);
+ break;
+ case SNDRV_PCM_FORMAT_S20_3LE:
+ case SNDRV_PCM_FORMAT_S24_LE:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ regmap_update_bits(regmap, SUNXI_AHUB_APBIF_TX_CTL(apb_num),
+ 0x7 << APBIF_TX_WS, 0x5 << APBIF_TX_WS);
+ regmap_update_bits(regmap, SUNXI_AHUB_APBIF_TXFIFO_CTL(apb_num),
+ 0x1 << APBIF_TX_TXIM, 0x1 << APBIF_TX_TXIM);
+ } else {
+ regmap_update_bits(regmap, SUNXI_AHUB_APBIF_RX_CTL(apb_num),
+ 0x7 << APBIF_RX_WS, 0x5 << APBIF_RX_WS);
+ regmap_update_bits(regmap, SUNXI_AHUB_APBIF_RXFIFO_CTL(apb_num),
+ 0x3 << APBIF_RX_RXOM, 0x1 << APBIF_RX_RXOM);
+ }
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_FMT0(tdm_num),
+ 0x7 << I2S_FMT0_SR, 0x5 << I2S_FMT0_SR);
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ regmap_update_bits(regmap, SUNXI_AHUB_APBIF_TX_CTL(apb_num),
+ 0x7 << APBIF_TX_WS, 0x7 << APBIF_TX_WS);
+ regmap_update_bits(regmap, SUNXI_AHUB_APBIF_TXFIFO_CTL(apb_num),
+ 0x1 << APBIF_TX_TXIM, 0x1 << APBIF_TX_TXIM);
+ } else {
+ regmap_update_bits(regmap, SUNXI_AHUB_APBIF_RX_CTL(apb_num),
+ 0x7 << APBIF_RX_WS, 0x7 << APBIF_RX_WS);
+ regmap_update_bits(regmap, SUNXI_AHUB_APBIF_RXFIFO_CTL(apb_num),
+ 0x3 << APBIF_RX_RXOM, 0x1 << APBIF_RX_RXOM);
+ }
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_FMT0(tdm_num),
+ 0x7 << I2S_FMT0_SR, 0x7 << I2S_FMT0_SR);
+ break;
+ default:
+ SND_LOG_ERR(HLOG, "unrecognized format bits\n");
+ return -EINVAL;
+ }
+
+ /* set channels */
+ channels = params_channels(params);
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ /* apbifn channels */
+ regmap_update_bits(regmap, SUNXI_AHUB_APBIF_TX_CTL(apb_num),
+ 0xf << APBIF_TX_CHAN_NUM,
+ (channels - 1) << APBIF_TX_CHAN_NUM);
+ /* tdmn channels */
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_CHCFG(tdm_num),
+ 0xf << I2S_CHCFG_TX_CHANNUM,
+ (channels - 1) << I2S_CHCFG_TX_CHANNUM);
+
+ regmap_update_bits(regmap,
+ SUNXI_AHUB_I2S_OUT_SLOT(tdm_num, tx_pin),
+ 0xf << I2S_OUT_SLOT_NUM,
+ (channels - 1) << I2S_OUT_SLOT_NUM);
+ regmap_update_bits(regmap,
+ SUNXI_AHUB_I2S_OUT_SLOT(tdm_num, tx_pin),
+ 0xffff << I2S_OUT_SLOT_EN,
+ channels_en[channels - 1] << I2S_OUT_SLOT_EN);
+ } else {
+ /* apbifn channels */
+ regmap_update_bits(regmap, SUNXI_AHUB_APBIF_RX_CTL(apb_num),
+ 0xf << APBIF_RX_CHAN_NUM,
+ (channels - 1) << APBIF_RX_CHAN_NUM);
+ /* tdmn channels */
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_CHCFG(tdm_num),
+ 0xf << I2S_CHCFG_RX_CHANNUM,
+ (channels - 1) << I2S_CHCFG_RX_CHANNUM);
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_IN_SLOT(tdm_num),
+ 0xf << I2S_IN_SLOT_NUM,
+ (channels - 1) << I2S_IN_SLOT_NUM);
+ }
+
+ return 0;
+}
+
+static void sunxi_ahub_dai_tx_route(struct sunxi_ahub_info *ahub_info,
+ bool enable)
+{
+ struct regmap *regmap = NULL;
+ unsigned int tdm_num, tx_pin;
+ unsigned int apb_num;
+
+ SND_LOG_DEBUG(HLOG, "%s\n", enable ? "on" : "off");
+
+ regmap = ahub_info->mem_info.regmap;
+ tdm_num = ahub_info->dts_info.tdm_num;
+ tx_pin = ahub_info->dts_info.tx_pin;
+ apb_num = ahub_info->dts_info.apb_num;
+
+ if (enable)
+ goto tx_route_enable;
+ else
+ goto tx_route_disable;
+
+tx_route_enable:
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_CTL(tdm_num),
+ 0x1 << (I2S_CTL_SDO0_EN + tx_pin),
+ 0x1 << (I2S_CTL_SDO0_EN + tx_pin));
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_CTL(tdm_num),
+ 0x1 << I2S_CTL_TXEN, 0x1 << I2S_CTL_TXEN);
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_CTL(tdm_num),
+ 0x1 << I2S_CTL_OUT_MUTE, 0x0 << I2S_CTL_OUT_MUTE);
+ /* start apbif tx */
+ regmap_update_bits(regmap, SUNXI_AHUB_APBIF_TX_CTL(apb_num),
+ 0x1 << APBIF_TX_START, 0x1 << APBIF_TX_START);
+ /* enable tx drq */
+ regmap_update_bits(regmap, SUNXI_AHUB_APBIF_TX_IRQ_CTL(apb_num),
+ 0x1 << APBIF_TX_DRQ, 0x1 << APBIF_TX_DRQ);
+ return;
+
+tx_route_disable:
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_CTL(tdm_num),
+ 0x1 << I2S_CTL_OUT_MUTE, 0x1 << I2S_CTL_OUT_MUTE);
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_CTL(tdm_num),
+ 0x1 << I2S_CTL_TXEN, 0x0 << I2S_CTL_TXEN);
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_CTL(tdm_num),
+ 0x1 << (I2S_CTL_SDO0_EN + tx_pin),
+ 0x0 << (I2S_CTL_SDO0_EN + tx_pin));
+ /* stop apbif tx */
+ regmap_update_bits(regmap, SUNXI_AHUB_APBIF_TX_CTL(apb_num),
+ 0x1 << APBIF_TX_START, 0x0 << APBIF_TX_START);
+ /* disable tx drq */
+ regmap_update_bits(regmap, SUNXI_AHUB_APBIF_TX_IRQ_CTL(apb_num),
+ 0x1 << APBIF_TX_DRQ, 0x0 << APBIF_TX_DRQ);
+ return;
+}
+
+static void sunxi_ahub_dai_rx_route(struct sunxi_ahub_info *ahub_info,
+ bool enable)
+{
+ struct regmap *regmap = NULL;
+ unsigned int tdm_num, rx_pin;
+ unsigned int apb_num;
+
+ SND_LOG_DEBUG(HLOG, "%s\n", enable ? "on" : "off");
+
+ regmap = ahub_info->mem_info.regmap;
+ tdm_num = ahub_info->dts_info.tdm_num;
+ rx_pin = ahub_info->dts_info.rx_pin;
+ apb_num = ahub_info->dts_info.apb_num;
+
+ if (enable)
+ goto rx_route_enable;
+ else
+ goto rx_route_disable;
+
+rx_route_enable:
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_CTL(tdm_num),
+ 0x1 << (I2S_CTL_SDI0_EN + rx_pin),
+ 0x1 << (I2S_CTL_SDI0_EN + rx_pin));
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_CTL(tdm_num),
+ 0x1 << I2S_CTL_RXEN, 0x1 << I2S_CTL_RXEN);
+ /* start apbif rx */
+ regmap_update_bits(regmap, SUNXI_AHUB_APBIF_RX_CTL(apb_num),
+ 0x1 << APBIF_RX_START, 0x1 << APBIF_RX_START);
+ /* enable rx drq */
+ regmap_update_bits(regmap, SUNXI_AHUB_APBIF_RX_IRQ_CTL(apb_num),
+ 0x1 << APBIF_RX_DRQ, 0x1 << APBIF_RX_DRQ);
+ return;
+
+rx_route_disable:
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_CTL(tdm_num),
+ 0x1 << I2S_CTL_RXEN, 0x0 << I2S_CTL_RXEN);
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_CTL(tdm_num),
+ 0x1 << (I2S_CTL_SDI0_EN + rx_pin),
+ 0x0 << (I2S_CTL_SDI0_EN + rx_pin));
+ /* stop apbif rx */
+ regmap_update_bits(regmap, SUNXI_AHUB_APBIF_RX_CTL(apb_num),
+ 0x1 << APBIF_RX_START, 0x0 << APBIF_RX_START);
+ /* disable rx drq */
+ regmap_update_bits(regmap, SUNXI_AHUB_APBIF_RX_IRQ_CTL(apb_num),
+ 0x1 << APBIF_RX_DRQ, 0x0 << APBIF_RX_DRQ);
+ return;
+}
+
+static int sunxi_ahub_dai_trigger(struct snd_pcm_substream *substream,
+ int cmd,
+ struct snd_soc_dai *dai)
+{
+ struct sunxi_ahub_info *ahub_info = snd_soc_dai_get_drvdata(dai);
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ if (IS_ERR_OR_NULL(ahub_info)) {
+ SND_LOG_ERR(HLOG, "ahub_info is null.\n");
+ return -ENOMEM;
+ }
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_RESUME:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ sunxi_ahub_dai_tx_route(ahub_info, true);
+ } else {
+ sunxi_ahub_dai_rx_route(ahub_info, true);
+ }
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ sunxi_ahub_dai_tx_route(ahub_info, false);
+ } else {
+ sunxi_ahub_dai_rx_route(ahub_info, false);
+ }
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int sunxi_ahub_dai_prepare(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct sunxi_ahub_info *ahub_info = snd_soc_dai_get_drvdata(dai);
+ struct regmap *regmap = NULL;
+ unsigned int apb_num;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ if (IS_ERR_OR_NULL(ahub_info)) {
+ SND_LOG_ERR(HLOG, "ahub_info is null.\n");
+ return -ENOMEM;
+ }
+ regmap = ahub_info->mem_info.regmap;
+ apb_num = ahub_info->dts_info.apb_num;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ /* clear txfifo */
+ regmap_update_bits(regmap, SUNXI_AHUB_APBIF_TXFIFO_CTL(apb_num),
+ 0x1 << APBIF_TX_FTX, 0x1 << APBIF_TX_FTX);
+ /* clear tx o/u irq */
+ regmap_write(regmap, SUNXI_AHUB_APBIF_TX_IRQ_STA(apb_num),
+ (0x1 << APBIF_TX_OV_PEND) | (0x1 << APBIF_TX_EM_PEND));
+ /* clear tx fifo cnt */
+ regmap_write(regmap, SUNXI_AHUB_APBIF_TXFIFO_CNT(apb_num), 0);
+ } else {
+ /* clear rxfifo */
+ regmap_update_bits(regmap, SUNXI_AHUB_APBIF_RXFIFO_CTL(apb_num),
+ 0x1 << APBIF_RX_FRX, 0x1 << APBIF_RX_FRX);
+ /* clear rx o/u irq */
+ regmap_write(regmap, SUNXI_AHUB_APBIF_RX_IRQ_STA(apb_num),
+ (0x1 << APBIF_RX_UV_PEND) | (0x1 << APBIF_RX_AV_PEND));
+ /* clear rx fifo cnt */
+ regmap_write(regmap, SUNXI_AHUB_APBIF_RXFIFO_CNT(apb_num), 0);
+ }
+
+ return 0;
+}
+
+static void sunxi_ahub_dai_shutdown(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct sunxi_ahub_info *ahub_info = snd_soc_dai_get_drvdata(dai);
+ struct regmap *regmap = NULL;
+ unsigned int apb_num, tdm_num;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ regmap = ahub_info->mem_info.regmap;
+ apb_num = ahub_info->dts_info.apb_num;
+ tdm_num = ahub_info->dts_info.tdm_num;
+
+ /* APBIF & I2S of RST and GAT */
+ if (tdm_num > 3 || apb_num > 2) {
+ SND_LOG_ERR(HLOG, "unspport tdm num or apbif num\n");
+ return;
+ }
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ regmap_update_bits(regmap, SUNXI_AHUB_RST,
+ 0x1 << (APBIF_TXDIF0_RST - apb_num),
+ 0x0 << (APBIF_TXDIF0_RST - apb_num));
+ regmap_update_bits(regmap, SUNXI_AHUB_GAT,
+ 0x1 << (APBIF_TXDIF0_GAT - apb_num),
+ 0x0 << (APBIF_TXDIF0_GAT - apb_num));
+ } else {
+ regmap_update_bits(regmap, SUNXI_AHUB_RST,
+ 0x1 << (APBIF_RXDIF0_RST - apb_num),
+ 0x0 << (APBIF_RXDIF0_RST - apb_num));
+ regmap_update_bits(regmap, SUNXI_AHUB_GAT,
+ 0x1 << (APBIF_RXDIF0_GAT - apb_num),
+ 0x0 << (APBIF_RXDIF0_GAT - apb_num));
+ }
+}
+
+static const struct snd_soc_dai_ops sunxi_ahub_dai_ops = {
+ /* call by machine */
+ .set_pll = sunxi_ahub_dai_set_pll, // set pllclk
+ .set_sysclk = sunxi_ahub_dai_set_sysclk, // set mclk
+ .set_bclk_ratio = sunxi_ahub_dai_set_bclk_ratio,// set bclk freq
+ .set_tdm_slot = sunxi_ahub_dai_set_tdm_slot, // set slot num and width
+ .set_fmt = sunxi_ahub_dai_set_fmt, // set tdm fmt
+ /* call by asoc */
+ .startup = sunxi_ahub_dai_startup,
+ .hw_params = sunxi_ahub_dai_hw_params, // set hardware params
+ .prepare = sunxi_ahub_dai_prepare, // clean irq and fifo
+ .trigger = sunxi_ahub_dai_trigger, // set drq
+ .shutdown = sunxi_ahub_dai_shutdown,
+};
+
+static void snd_soc_sunxi_ahub_init(struct sunxi_ahub_info *ahub_info)
+{
+ struct regmap *regmap = NULL;
+ unsigned int apb_num, tdm_num, tx_pin, rx_pin;
+ unsigned int reg_val = 0;
+ unsigned int rx_pin_map = 0;
+ unsigned int tdm_to_apb = 0;
+ unsigned int apb_to_tdm = 0;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ regmap = ahub_info->mem_info.regmap;
+ apb_num = ahub_info->dts_info.apb_num;
+ tdm_num = ahub_info->dts_info.tdm_num;
+ tx_pin = ahub_info->dts_info.tx_pin;
+ rx_pin = ahub_info->dts_info.rx_pin;
+
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_CTL(tdm_num),
+ 0x1 << I2S_CTL_GEN, 0x1 << I2S_CTL_GEN);
+ regmap_update_bits(regmap, SUNXI_AHUB_RST,
+ 0x1 << (I2S0_RST - tdm_num),
+ 0x1 << (I2S0_RST - tdm_num));
+ regmap_update_bits(regmap, SUNXI_AHUB_GAT,
+ 0x1 << (I2S0_GAT - tdm_num),
+ 0x1 << (I2S0_GAT - tdm_num));
+
+ /* tdm tx channels map */
+ regmap_write(regmap, SUNXI_AHUB_I2S_OUT_CHMAP0(tdm_num, tx_pin), 0x76543210);
+ regmap_write(regmap, SUNXI_AHUB_I2S_OUT_CHMAP1(tdm_num, tx_pin), 0xFEDCBA98);
+
+ /* tdm rx channels map */
+ rx_pin_map = (rx_pin << 4) | (rx_pin << 12) | (rx_pin << 20) | (rx_pin << 28);
+ reg_val = 0x03020100 | rx_pin_map;
+ regmap_write(regmap, SUNXI_AHUB_I2S_IN_CHMAP0(tdm_num), reg_val);
+ reg_val = 0x07060504 | rx_pin_map;
+ regmap_write(regmap, SUNXI_AHUB_I2S_IN_CHMAP1(tdm_num), reg_val);
+ reg_val = 0x0B0A0908 | rx_pin_map;
+ regmap_write(regmap, SUNXI_AHUB_I2S_IN_CHMAP2(tdm_num), reg_val);
+ reg_val = 0x0F0E0D0C | rx_pin_map;
+ regmap_write(regmap, SUNXI_AHUB_I2S_IN_CHMAP3(tdm_num), reg_val);
+
+ /* tdm tx & rx data fmt
+ * 1. MSB first
+ * 2. transfer 0 after each sample in each slot
+ * 3. linear PCM
+ */
+ regmap_write(regmap, SUNXI_AHUB_I2S_FMT1(tdm_num), 0x30);
+
+ /* apbif tx & rx data fmt
+ * 1. MSB first
+ * 2. trigger level tx -> 0x20, rx -> 0x40
+ */
+ regmap_update_bits(regmap, SUNXI_AHUB_APBIF_TXFIFO_CTL(apb_num),
+ 0x1 << APBIF_TX_TXIM, 0x0 << APBIF_TX_TXIM);
+ regmap_update_bits(regmap, SUNXI_AHUB_APBIF_TXFIFO_CTL(apb_num),
+ 0x3f << APBIF_TX_LEVEL, 0x20 << APBIF_TX_LEVEL);
+ regmap_update_bits(regmap, SUNXI_AHUB_APBIF_RXFIFO_CTL(apb_num),
+ 0x3 << APBIF_RX_RXOM, 0x0 << APBIF_RX_RXOM);
+ regmap_update_bits(regmap, SUNXI_AHUB_APBIF_RXFIFO_CTL(apb_num),
+ 0x7f << APBIF_RX_LEVEL, 0x40 << APBIF_RX_LEVEL);
+
+ /* apbif <-> tdm */
+ switch (tdm_num)
+ {
+ case 0:
+ tdm_to_apb = APBIF_RX_I2S0_TXDIF;
+ break;
+ case 1:
+ tdm_to_apb = APBIF_RX_I2S1_TXDIF;
+ break;
+ case 2:
+ tdm_to_apb = APBIF_RX_I2S2_TXDIF;
+ break;
+ case 3:
+ tdm_to_apb = APBIF_RX_I2S3_TXDIF;
+ break;
+ default:
+ SND_LOG_ERR(HLOG, "unspport tdm num\n");
+ return;
+ }
+ regmap_write(regmap, SUNXI_AHUB_APBIF_RXFIFO_CONT(apb_num), 0x1 << tdm_to_apb);
+
+ switch (apb_num)
+ {
+ case 0:
+ apb_to_tdm = I2S_RX_APBIF_TXDIF0;
+ break;
+ case 1:
+ apb_to_tdm = I2S_RX_APBIF_TXDIF1;
+ break;
+ case 2:
+ apb_to_tdm = I2S_RX_APBIF_TXDIF2;
+ break;
+ default:
+ SND_LOG_ERR(HLOG, "unspport apb num\n");
+ return;
+ }
+ regmap_write(regmap, SUNXI_AHUB_I2S_RXCONT(tdm_num), 0x1 << apb_to_tdm);
+
+ return;
+}
+
+static int sunxi_ahub_dai_probe(struct snd_soc_dai *dai)
+{
+ struct sunxi_ahub_info *ahub_info = snd_soc_dai_get_drvdata(dai);
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ /* pcm_new will using the dma_param about the cma and fifo params. */
+ snd_soc_dai_init_dma_data(dai,
+ &ahub_info->playback_dma_param,
+ &ahub_info->capture_dma_param);
+
+ snd_soc_sunxi_ahub_init(ahub_info);
+
+ return 0;
+}
+
+static int sunxi_ahub_dai_remove(struct snd_soc_dai *dai)
+{
+ struct sunxi_ahub_info *ahub_info = snd_soc_dai_get_drvdata(dai);
+ struct regmap *regmap = NULL;
+ unsigned int tdm_num;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ regmap = ahub_info->mem_info.regmap;
+ tdm_num = ahub_info->dts_info.tdm_num;
+
+ regmap_update_bits(regmap, SUNXI_AHUB_I2S_CTL(tdm_num),
+ 0x1 << I2S_CTL_GEN, 0x0 << I2S_CTL_GEN);
+ regmap_update_bits(regmap, SUNXI_AHUB_RST,
+ 0x1 << (I2S0_RST - tdm_num),
+ 0x0 << (I2S0_RST - tdm_num));
+ regmap_update_bits(regmap, SUNXI_AHUB_GAT,
+ 0x1 << (I2S0_GAT - tdm_num),
+ 0x0 << (I2S0_GAT - tdm_num));
+
+ return 0;
+}
+
+static struct snd_soc_dai_driver sunxi_ahub_dai = {
+ .name = "ahub_plat",
+ .probe = sunxi_ahub_dai_probe,
+ .remove = sunxi_ahub_dai_remove,
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_8000_192000
+ | SNDRV_PCM_RATE_KNOT,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE
+ | SNDRV_PCM_FMTBIT_S24_LE
+ | SNDRV_PCM_FMTBIT_S32_LE,
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_8000_192000
+ | SNDRV_PCM_RATE_KNOT,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE
+ | SNDRV_PCM_FMTBIT_S24_LE
+ | SNDRV_PCM_FMTBIT_S32_LE,
+ },
+ .ops = &sunxi_ahub_dai_ops,
+};
+
+static int sunxi_ahub_probe(struct snd_soc_component *component)
+{
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ return 0;
+}
+
+static int sunxi_ahub_suspend(struct snd_soc_component *component)
+{
+ struct sunxi_ahub_info *ahub_info = snd_soc_component_get_drvdata(component);
+ struct regmap *regmap = NULL;
+ unsigned int apb_num, tdm_num;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ regmap = ahub_info->mem_info.regmap;
+ apb_num = ahub_info->dts_info.apb_num;
+ tdm_num = ahub_info->dts_info.tdm_num;
+
+ return 0;
+}
+
+static int sunxi_ahub_resume(struct snd_soc_component *component)
+{
+ struct sunxi_ahub_info *ahub_info = snd_soc_component_get_drvdata(component);
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ snd_soc_sunxi_ahub_init(ahub_info);
+
+ return 0;
+}
+
+int sunxi_loopback_debug_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ unsigned int reg_val;
+ struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ struct sunxi_ahub_info *ahub_info = snd_soc_component_get_drvdata(component);
+ struct sunxi_ahub_mem_info *mem_info = &ahub_info->mem_info;
+ struct sunxi_ahub_dts_info *dts_info = &ahub_info->dts_info;
+
+ regmap_read(mem_info->regmap, SUNXI_AHUB_I2S_CTL(dts_info->tdm_num), &reg_val);
+ ucontrol->value.integer.value[0] = ((reg_val & (1 << I2S_CTL_LOOP0)) ? 1 : 0);
+
+ return 0;
+}
+
+int sunxi_loopback_debug_set(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ struct sunxi_ahub_info *ahub_info = snd_soc_component_get_drvdata(component);
+ struct sunxi_ahub_mem_info *mem_info = &ahub_info->mem_info;
+ struct sunxi_ahub_dts_info *dts_info = &ahub_info->dts_info;
+
+ switch (ucontrol->value.integer.value[0]) {
+ case 0:
+ regmap_update_bits(mem_info->regmap,
+ SUNXI_AHUB_I2S_CTL(dts_info->tdm_num),
+ 1 << I2S_CTL_LOOP0, 0 << I2S_CTL_LOOP0);
+ break;
+ case 1:
+ regmap_update_bits(mem_info->regmap,
+ SUNXI_AHUB_I2S_CTL(dts_info->tdm_num),
+ 1 << I2S_CTL_LOOP0, 1 << I2S_CTL_LOOP0);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static const struct snd_kcontrol_new sunxi_ahub_controls[] = {
+ SOC_SINGLE_EXT("loopback debug", SND_SOC_NOPM, 0, 1, 0,
+ sunxi_loopback_debug_get, sunxi_loopback_debug_set),
+};
+
+static struct snd_soc_component_driver sunxi_ahub_component = {
+ .name = DRV_NAME,
+ .probe = sunxi_ahub_probe,
+ .suspend = sunxi_ahub_suspend,
+ .resume = sunxi_ahub_resume,
+ .controls = sunxi_ahub_controls,
+ .num_controls = ARRAY_SIZE(sunxi_ahub_controls),
+};
+
+/*******************************************************************************
+ * for kernel source
+ ******************************************************************************/
+static int snd_soc_sunxi_ahub_pin_init(struct platform_device *pdev,
+ struct device_node *np,
+ struct sunxi_ahub_pinctl_info *pin_info)
+{
+ int ret = 0;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ if (of_property_read_bool(np, "pinctrl_used")) {
+ pin_info->pinctrl_used = 1;
+ } else {
+ pin_info->pinctrl_used = 0;
+ SND_LOG_DEBUG(HLOG, "unused pinctrl\n");
+ return 0;
+ }
+
+ pin_info->pinctrl = devm_pinctrl_get(&pdev->dev);
+ if (IS_ERR_OR_NULL(pin_info->pinctrl)) {
+ SND_LOG_ERR(HLOG, "pinctrl get failed\n");
+ ret = -EINVAL;
+ return ret;
+ }
+ pin_info->pinstate = pinctrl_lookup_state(pin_info->pinctrl,
+ PINCTRL_STATE_DEFAULT);
+ if (IS_ERR_OR_NULL(pin_info->pinstate)) {
+ SND_LOG_ERR(HLOG, "pinctrl default state get fail\n");
+ ret = -EINVAL;
+ goto err_loopup_pinstate;
+ }
+ pin_info->pinstate_sleep = pinctrl_lookup_state(pin_info->pinctrl,
+ PINCTRL_STATE_SLEEP);
+ if (IS_ERR_OR_NULL(pin_info->pinstate_sleep)) {
+ SND_LOG_ERR(HLOG, "pinctrl sleep state get failed\n");
+ ret = -EINVAL;
+ goto err_loopup_pin_sleep;
+ }
+ ret = pinctrl_select_state(pin_info->pinctrl, pin_info->pinstate);
+ if (ret < 0) {
+ SND_LOG_ERR(HLOG, "daudio set pinctrl default state fail\n");
+ ret = -EBUSY;
+ goto err_pinctrl_select_default;
+ }
+
+ return 0;
+
+err_pinctrl_select_default:
+err_loopup_pin_sleep:
+err_loopup_pinstate:
+ devm_pinctrl_put(pin_info->pinctrl);
+ return ret;
+}
+
+static int snd_soc_sunxi_ahub_dts_params_init(struct platform_device *pdev,
+ struct device_node *np,
+ struct sunxi_ahub_dts_info *dts_info)
+{
+ int ret = 0;
+ unsigned int temp_val = 0;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ /* get tdm fmt of apb_num & tdm_num & tx/rx_pin */
+ ret = of_property_read_u32(np, "apb_num", &temp_val);
+ if (ret < 0) {
+ SND_LOG_WARN(HLOG, "apb_num config missing\n");
+ dts_info->apb_num = 0;
+ } else {
+ if (temp_val > 2) { /* APBIFn (n = 0~2) */
+ dts_info->apb_num = 0;
+ SND_LOG_WARN(HLOG, "apb_num config invalid\n");
+ } else {
+ dts_info->apb_num = temp_val;
+ }
+ }
+ ret = of_property_read_u32(np, "tdm_num", &temp_val);
+ if (ret < 0) {
+ SND_LOG_WARN(HLOG, "tdm_num config missing\n");
+ dts_info->tdm_num = 0;
+ } else {
+ if (temp_val > 3) { /* I2Sn (n = 0~3) */
+ dts_info->tdm_num = 0;
+ SND_LOG_WARN(HLOG, "tdm_num config invalid\n");
+ } else {
+ dts_info->tdm_num = temp_val;
+ }
+ }
+ ret = of_property_read_u32(np, "tx_pin", &temp_val);
+ if (ret < 0) {
+ SND_LOG_WARN(HLOG, "tx_pin config missing\n");
+ dts_info->tx_pin = 0;
+ } else {
+ if (temp_val > 3) { /* I2S_DOUTn (n = 0~3) */
+ dts_info->tx_pin = 0;
+ SND_LOG_WARN(HLOG, "tx_pin config invalid\n");
+ } else {
+ dts_info->tx_pin = temp_val;
+ }
+ }
+ ret = of_property_read_u32(np, "rx_pin", &temp_val);
+ if (ret < 0) {
+ SND_LOG_WARN(HLOG, "rx_pin config missing\n");
+ dts_info->rx_pin = 0;
+ } else {
+ if (temp_val > 3) { /* I2S_DINTn (n = 0~3) */
+ dts_info->rx_pin = 0;
+ SND_LOG_WARN(HLOG, "rx_pin config invalid\n");
+ } else {
+ dts_info->rx_pin = temp_val;
+ }
+ }
+
+ SND_LOG_DEBUG(HLOG, "playback_cma : %lu\n", dts_info->playback_cma);
+ SND_LOG_DEBUG(HLOG, "capture_cma : %lu\n", dts_info->capture_cma);
+ SND_LOG_DEBUG(HLOG, "tx_fifo_size : %lu\n", dts_info->playback_fifo_size);
+ SND_LOG_DEBUG(HLOG, "rx_fifo_size : %lu\n", dts_info->capture_fifo_size);
+ SND_LOG_DEBUG(HLOG, "apb_num : %u\n", dts_info->apb_num);
+ SND_LOG_DEBUG(HLOG, "tdm_num : %u\n", dts_info->tdm_num);
+ SND_LOG_DEBUG(HLOG, "tx_pin : %u\n", dts_info->tx_pin);
+ SND_LOG_DEBUG(HLOG, "rx_pin : %u\n", dts_info->rx_pin);
+
+ return 0;
+};
+
+static int snd_soc_sunxi_ahub_regulator_init(struct platform_device *pdev,
+ struct device_node *np,
+ struct sunxi_ahub_regulator_info *regulator_info)
+{
+ int ret = 0;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ regulator_info->regulator_name = NULL;
+ if (of_property_read_string(np, "ahub_regulator", &regulator_info->regulator_name)) {
+ SND_LOG_DEBUG(HLOG, "regulator missing\n");
+ regulator_info->regulator = NULL;
+ return 0;
+ }
+
+ regulator_info->regulator = regulator_get(NULL, regulator_info->regulator_name);
+ if (IS_ERR_OR_NULL(regulator_info->regulator)) {
+ SND_LOG_ERR(HLOG, "get duaido vcc-pin failed\n");
+ ret = -EFAULT;
+ goto err_regulator_get;
+ }
+ ret = regulator_set_voltage(regulator_info->regulator, 3300000, 3300000);
+ if (ret < 0) {
+ SND_LOG_ERR(HLOG, "set duaido voltage failed\n");
+ ret = -EFAULT;
+ goto err_regulator_set_vol;
+ }
+ ret = regulator_enable(regulator_info->regulator);
+ if (ret < 0) {
+ SND_LOG_ERR(HLOG, "enable duaido vcc-pin failed\n");
+ ret = -EFAULT;
+ goto err_regulator_enable;
+ }
+
+ return 0;
+
+err_regulator_enable:
+err_regulator_set_vol:
+ if (regulator_info->regulator)
+ regulator_put(regulator_info->regulator);
+err_regulator_get:
+ return ret;
+};
+
+static void snd_soc_sunxi_dma_params_init(struct sunxi_ahub_info *ahub_info)
+{
+ struct resource *res = ahub_info->mem_info.res;
+ struct sunxi_ahub_dts_info *dts_info = &ahub_info->dts_info;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ ahub_info->playback_dma_param.addr =
+ res->start + SUNXI_AHUB_APBIF_TXFIFO(dts_info->apb_num);
+ ahub_info->playback_dma_param.maxburst = 8;
+ //ahub_info->playback_dma_param.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+
+ ahub_info->capture_dma_param.addr =
+ res->start + SUNXI_AHUB_APBIF_RXFIFO(dts_info->apb_num);
+ ahub_info->capture_dma_param.maxburst = 8;
+ //ahub_info->capture_dma_param.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+};
+
+static int sunxi_ahub_dev_probe(struct platform_device *pdev)
+{
+ int ret;
+ struct device_node *np = pdev->dev.of_node;
+ struct sunxi_ahub_info *ahub_info = NULL;
+ struct sunxi_ahub_mem_info *mem_info = NULL;
+ struct sunxi_ahub_clk_info *clk_info = NULL;
+ struct sunxi_ahub_pinctl_info *pin_info = NULL;
+ struct sunxi_ahub_dts_info *dts_info = NULL;
+ struct sunxi_ahub_regulator_info *regulator_info = NULL;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ ahub_info = devm_kzalloc(&pdev->dev,
+ sizeof(struct sunxi_ahub_info),
+ GFP_KERNEL);
+ if (IS_ERR_OR_NULL(ahub_info)) {
+ SND_LOG_ERR(HLOG, "alloc sunxi_ahub_info failed\n");
+ ret = -ENOMEM;
+ goto err_devm_malloc_sunxi_daudio;
+ }
+ dev_set_drvdata(&pdev->dev, ahub_info);
+ ahub_info->dev = &pdev->dev;
+ mem_info = &ahub_info->mem_info;
+ clk_info = &ahub_info->clk_info;
+ pin_info = &ahub_info->pin_info;
+ dts_info = &ahub_info->dts_info;
+ regulator_info = &ahub_info->regulator_info;
+
+ ret = snd_soc_sunxi_ahub_mem_get(mem_info);
+ if (ret) {
+ SND_LOG_ERR(HLOG, "remap get failed\n");
+ ret = -EINVAL;
+ goto err_snd_soc_sunxi_ahub_mem_get;
+ }
+
+ ret = snd_soc_sunxi_ahub_clk_get(clk_info);
+ if (ret) {
+ SND_LOG_ERR(HLOG, "clk get failed\n");
+ ret = -EINVAL;
+ goto err_snd_soc_sunxi_ahub_clk_get;
+ }
+
+ ret = snd_soc_sunxi_ahub_dts_params_init(pdev, np, dts_info);
+ if (ret) {
+ SND_LOG_ERR(HLOG, "dts init failed\n");
+ ret = -EINVAL;
+ goto err_snd_soc_sunxi_ahub_dts_params_init;
+ }
+
+ ret = snd_soc_sunxi_ahub_pin_init(pdev, np, pin_info);
+ if (ret) {
+ SND_LOG_ERR(HLOG, "pinctrl init failed\n");
+ ret = -EINVAL;
+ goto err_snd_soc_sunxi_ahub_pin_init;
+ }
+
+ ret = snd_soc_sunxi_ahub_regulator_init(pdev, np, regulator_info);
+ if (ret) {
+ SND_LOG_ERR(HLOG, "regulator_info init failed\n");
+ ret = -EINVAL;
+ goto err_snd_soc_sunxi_ahub_regulator_init;
+ }
+
+ snd_soc_sunxi_dma_params_init(ahub_info);
+
+ ret = snd_soc_register_component(&pdev->dev,
+ &sunxi_ahub_component,
+ &sunxi_ahub_dai, 1);
+ if (ret) {
+ SND_LOG_ERR(HLOG, "component register failed\n");
+ ret = -ENOMEM;
+ goto err_snd_soc_register_component;
+ }
+
+ ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0);
+ if (ret) {
+ SND_LOG_ERR(HLOG, "register ASoC platform failed\n");
+ ret = -ENOMEM;
+ goto err_snd_soc_sunxi_dma_platform_register;
+ }
+
+ SND_LOG_DEBUG(HLOG, "register ahub platform success\n");
+
+ return 0;
+
+err_snd_soc_sunxi_dma_platform_register:
+ snd_soc_unregister_component(&pdev->dev);
+err_snd_soc_register_component:
+err_snd_soc_sunxi_ahub_regulator_init:
+err_snd_soc_sunxi_ahub_dts_params_init:
+err_snd_soc_sunxi_ahub_pin_init:
+err_snd_soc_sunxi_ahub_clk_get:
+err_snd_soc_sunxi_ahub_mem_get:
+ devm_kfree(&pdev->dev, ahub_info);
+err_devm_malloc_sunxi_daudio:
+ of_node_put(np);
+ return ret;
+}
+
+static void sunxi_ahub_dev_remove(struct platform_device *pdev)
+{
+ struct sunxi_ahub_info *ahub_info = dev_get_drvdata(&pdev->dev);
+ struct sunxi_ahub_pinctl_info *pin_info = &ahub_info->pin_info;
+ struct sunxi_ahub_regulator_info *regulator_info = &ahub_info->regulator_info;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ snd_soc_unregister_component(&pdev->dev);
+
+ if (regulator_info->regulator) {
+ if (!IS_ERR_OR_NULL(regulator_info->regulator)) {
+ regulator_disable(regulator_info->regulator);
+ regulator_put(regulator_info->regulator);
+ }
+ }
+ if (pin_info->pinctrl_used) {
+ devm_pinctrl_put(pin_info->pinctrl);
+ }
+
+ devm_kfree(&pdev->dev, ahub_info);
+
+ SND_LOG_DEBUG(HLOG, "unregister ahub platform success\n");
+}
+
+static const struct of_device_id sunxi_ahub_of_match[] = {
+ { .compatible = "allwinner," DRV_NAME, },
+ {},
+};
+MODULE_DEVICE_TABLE(of, sunxi_ahub_of_match);
+
+static struct platform_driver sunxi_ahub_driver = {
+ .driver = {
+ .name = DRV_NAME,
+ .owner = THIS_MODULE,
+ .of_match_table = sunxi_ahub_of_match,
+ },
+ .probe = sunxi_ahub_dev_probe,
+ .remove = sunxi_ahub_dev_remove,
+};
+
+int __init sunxi_ahub_dev_init(void)
+{
+ int ret;
+
+ ret = platform_driver_register(&sunxi_ahub_driver);
+ if (ret != 0) {
+ SND_LOG_ERR(HLOG, "platform driver register failed\n");
+ return -EINVAL;
+ }
+
+ return ret;
+}
+
+void __exit sunxi_ahub_dev_exit(void)
+{
+ platform_driver_unregister(&sunxi_ahub_driver);
+}
+
+late_initcall(sunxi_ahub_dev_init);
+module_exit(sunxi_ahub_dev_exit);
+
+MODULE_AUTHOR("Dby@allwinnertech.com");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("sunxi soundcard platform of ahub");
diff --git a/sound/soc/sunxi_v2/snd_sunxi_ahub.h b/sound/soc/sunxi_v2/snd_sunxi_ahub.h
new file mode 100644
index 000000000000..cd4be46b6ebf
--- /dev/null
+++ b/sound/soc/sunxi_v2/snd_sunxi_ahub.h
@@ -0,0 +1,74 @@
+/* sound\soc\sunxi\snd_sunxi_ahub.h
+ * (C) Copyright 2021-2025
+ * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
+ * Dby <dby@allwinnertech.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#ifndef __SND_SUNXI_AHUB_H
+#define __SND_SUNXI_AHUB_H
+
+#include "snd_sunxi_ahub_dam.h"
+
+struct sunxi_ahub_pinctl_info {
+ struct pinctrl *pinctrl;
+ struct pinctrl_state *pinstate;
+ struct pinctrl_state *pinstate_sleep;
+
+ bool pinctrl_used;
+};
+
+struct sunxi_ahub_dts_info {
+ unsigned int dai_type;
+ unsigned int apb_num;
+ unsigned int tdm_num;
+ unsigned int tx_pin;
+ unsigned int rx_pin;
+
+ /* value must be (2^n)Kbyte */
+ size_t playback_cma;
+ size_t playback_fifo_size;
+ size_t capture_cma;
+ size_t capture_fifo_size;
+};
+
+struct sunxi_ahub_regulator_info {
+ struct regulator *regulator;
+ const char *regulator_name;
+};
+
+struct sunxi_ahub_info {
+ struct device *dev;
+
+ struct sunxi_ahub_mem_info mem_info;
+ struct sunxi_ahub_clk_info clk_info;
+ struct sunxi_ahub_pinctl_info pin_info;
+ struct sunxi_ahub_dts_info dts_info;
+ struct sunxi_ahub_regulator_info regulator_info;
+
+ //struct sunxi_dma_params playback_dma_param;
+ //struct sunxi_dma_params capture_dma_param;
+ struct snd_dmaengine_dai_dma_data playback_dma_param;
+ struct snd_dmaengine_dai_dma_data capture_dma_param;
+
+ /* for Hardware param setting */
+ unsigned int fmt;
+ unsigned int pllclk_freq;
+ unsigned int moduleclk_freq;
+ unsigned int mclk_freq;
+ unsigned int lrck_freq;
+ unsigned int bclk_freq;
+};
+
+int sunxi_loopback_debug_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+int sunxi_loopback_debug_set(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+int __init sunxi_ahub_dev_init(void);
+void __exit sunxi_ahub_dev_exit(void);
+
+#endif /* __SND_SUNXI_AHUB_H */
diff --git a/sound/soc/sunxi_v2/snd_sunxi_ahub_dam.c b/sound/soc/sunxi_v2/snd_sunxi_ahub_dam.c
new file mode 100644
index 000000000000..f3c7bb3c7cd2
--- /dev/null
+++ b/sound/soc/sunxi_v2/snd_sunxi_ahub_dam.c
@@ -0,0 +1,532 @@
+/*
+ * sound\soc\sunxi\snd_sunxi_ahub_dam.c
+ * (C) Copyright 2021-2025
+ * AllWinner Technology Co., Ltd. <www.allwinnertech.com>
+ * Dby <dby@allwinnertech.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#include <linux/module.h>
+#include <sound/soc.h>
+#include <linux/regulator/consumer.h>
+#include <linux/of.h>
+#include <linux/clk.h>
+#include <linux/reset.h>
+#include <linux/device.h>
+#include <linux/ioport.h>
+#include <linux/regmap.h>
+#include <linux/of_address.h>
+#include <linux/of_gpio.h>
+#include <sound/soc.h>
+
+#include "snd_sunxi_log.h"
+#include "snd_sunxi_ahub_dam.h"
+
+#define HLOG "AHUB_DAM"
+#define DRV_NAME "sunxi-snd-plat-ahub_dam"
+
+static struct resource g_res;
+struct sunxi_ahub_mem_info g_mem_info = {
+ .res = &g_res,
+};
+static struct sunxi_ahub_clk_info g_clk_info;
+static struct regmap_config g_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .max_register = SUNXI_AHUB_MAX_REG,
+ .cache_type = REGCACHE_NONE,
+};
+
+static struct snd_soc_dai_driver sunxi_ahub_dam_dai = {
+ .name = "ahub_dam",
+};
+
+static int sunxi_ahub_dam_probe(struct snd_soc_component *component)
+{
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ return 0;
+}
+
+static int sunxi_ahub_dam_suspend(struct snd_soc_component *component)
+{
+ struct sunxi_ahub_clk_info *clk_info = &g_clk_info;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ clk_disable_unprepare(clk_info->clk_module);
+ clk_disable_unprepare(clk_info->clk_pll);
+ //clk_disable_unprepare(clk_info->clk_pllx4);
+ clk_disable_unprepare(clk_info->clk_bus);
+ reset_control_assert(clk_info->clk_rst);
+
+ return 0;
+}
+
+static int sunxi_ahub_dam_resume(struct snd_soc_component *component)
+{
+ struct sunxi_ahub_clk_info *clk_info = &g_clk_info;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ if (reset_control_deassert(clk_info->clk_rst)) {
+ SND_LOG_ERR(HLOG, "clk rst deassert failed\n");
+ return -EINVAL;
+ }
+ if (clk_prepare_enable(clk_info->clk_bus)) {
+ SND_LOG_ERR(HLOG, "clk bus enable failed\n");
+ return -EBUSY;
+ }
+ if (clk_prepare_enable(clk_info->clk_pll)) {
+ SND_LOG_ERR(HLOG, "clk_pll enable failed\n");
+ return -EBUSY;
+ }
+ //if (clk_prepare_enable(clk_info->clk_pllx4)) {
+ // SND_LOG_ERR(HLOG, "clk_pllx4 enable failed\n");
+ // return -EBUSY;
+ //}
+ if (clk_prepare_enable(clk_info->clk_module)) {
+ SND_LOG_ERR(HLOG, "clk_module enable failed\n");
+ return -EBUSY;
+ }
+
+ return 0;
+}
+
+struct str_conv {
+ char *str;
+ unsigned int reg;
+};
+static struct str_conv ahub_mux_name[] = {
+ {"APBIF0 Src Select", SUNXI_AHUB_APBIF_RXFIFO_CONT(0)},
+ {"APBIF1 Src Select", SUNXI_AHUB_APBIF_RXFIFO_CONT(1)},
+ {"APBIF2 Src Select", SUNXI_AHUB_APBIF_RXFIFO_CONT(2)},
+ {"I2S0 Src Select", SUNXI_AHUB_I2S_RXCONT(0)},
+ {"I2S1 Src Select", SUNXI_AHUB_I2S_RXCONT(1)},
+ {"I2S2 Src Select", SUNXI_AHUB_I2S_RXCONT(2)},
+ {"I2S3 Src Select", SUNXI_AHUB_I2S_RXCONT(3)},
+ {"DAM0C0 Src Select", SUNXI_AHUB_DAM_RX0_SRC(0)},
+ {"DAM0C1 Src Select", SUNXI_AHUB_DAM_RX1_SRC(0)},
+ {"DAM0C2 Src Select", SUNXI_AHUB_DAM_RX2_SRC(0)},
+ {"DAM1C0 Src Select", SUNXI_AHUB_DAM_RX0_SRC(1)},
+ {"DAM1C1 Src Select", SUNXI_AHUB_DAM_RX1_SRC(1)},
+ {"DAM1C2 Src Select", SUNXI_AHUB_DAM_RX2_SRC(1)},
+};
+static const char *ahub_mux_text[] = {
+ "NONE",
+ "APBIF_TXDIF0",
+ "APBIF_TXDIF1",
+ "APBIF_TXDIF2",
+ "I2S0_TXDIF",
+ "I2S1_TXDIF",
+ "I2S2_TXDIF",
+ "I2S3_TXDIF",
+ "DAM0_TXDIF",
+ "DAM1_TXDIF",
+};
+static const unsigned int ahub_mux_values[] = {
+ 0,
+ 1 << I2S_RX_APBIF_TXDIF0,
+ 1 << I2S_RX_APBIF_TXDIF1,
+ 1 << I2S_RX_APBIF_TXDIF2,
+ 1 << I2S_RX_I2S0_TXDIF,
+ 1 << I2S_RX_I2S1_TXDIF,
+ 1 << I2S_RX_I2S2_TXDIF,
+ 1 << I2S_RX_I2S3_TXDIF,
+ 1 << I2S_RX_DAM0_TXDIF,
+ 1 << I2S_RX_DAM1_TXDIF,
+};
+static SOC_ENUM_SINGLE_EXT_DECL(ahub_mux, ahub_mux_text);
+
+static int sunxi_ahub_mux_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int i;
+ unsigned int reg_val;
+ unsigned int src_reg;
+ struct regmap *regmap = g_mem_info.regmap;
+
+ for (i = 0; i < ARRAY_SIZE(ahub_mux_name); i++) {
+ if (!strncmp(ahub_mux_name[i].str, kcontrol->id.name,
+ strlen(ahub_mux_name[i].str))) {
+ src_reg = ahub_mux_name[i].reg;
+ regmap_read(regmap, src_reg, &reg_val);
+ reg_val &= 0xffffc000;
+ break;
+ }
+ }
+
+ for (i = 1; i < ARRAY_SIZE(ahub_mux_values); i++) {
+ if (reg_val & ahub_mux_values[i]) {
+ ucontrol->value.integer.value[0] = i;
+ return 0;
+ }
+ }
+ ucontrol->value.integer.value[0] = 0;
+
+ return 0;
+}
+
+static int sunxi_ahub_mux_set(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int i;
+ unsigned int src_reg, src_regbit;
+ struct regmap *regmap = g_mem_info.regmap;
+
+ if (ucontrol->value.integer.value[0] > ARRAY_SIZE(ahub_mux_name))
+ return -EINVAL;
+
+ src_regbit = ahub_mux_values[ucontrol->value.integer.value[0]];
+ for (i = 0; i < ARRAY_SIZE(ahub_mux_name); i++) {
+ if (!strncmp(ahub_mux_name[i].str, kcontrol->id.name,
+ strlen(ahub_mux_name[i].str))) {
+ src_reg = ahub_mux_name[i].reg;
+ regmap_update_bits(regmap, src_reg, 0xffffc000, src_regbit);
+ break;
+ }
+ }
+
+ return 0;
+}
+
+static const struct snd_kcontrol_new sunxi_ahub_dam_controls[] = {
+ SOC_ENUM_EXT("APBIF0 Src Select", ahub_mux, sunxi_ahub_mux_get, sunxi_ahub_mux_set),
+ SOC_ENUM_EXT("APBIF1 Src Select", ahub_mux, sunxi_ahub_mux_get, sunxi_ahub_mux_set),
+ SOC_ENUM_EXT("APBIF2 Src Select", ahub_mux, sunxi_ahub_mux_get, sunxi_ahub_mux_set),
+ SOC_ENUM_EXT("I2S0 Src Select", ahub_mux, sunxi_ahub_mux_get, sunxi_ahub_mux_set),
+ SOC_ENUM_EXT("I2S1 Src Select", ahub_mux, sunxi_ahub_mux_get, sunxi_ahub_mux_set),
+ SOC_ENUM_EXT("I2S2 Src Select", ahub_mux, sunxi_ahub_mux_get, sunxi_ahub_mux_set),
+ SOC_ENUM_EXT("I2S3 Src Select", ahub_mux, sunxi_ahub_mux_get, sunxi_ahub_mux_set),
+ SOC_ENUM_EXT("DAM0C0 Src Select", ahub_mux, sunxi_ahub_mux_get, sunxi_ahub_mux_set),
+ SOC_ENUM_EXT("DAM0C1 Src Select", ahub_mux, sunxi_ahub_mux_get, sunxi_ahub_mux_set),
+ SOC_ENUM_EXT("DAM0C2 Src Select", ahub_mux, sunxi_ahub_mux_get, sunxi_ahub_mux_set),
+ SOC_ENUM_EXT("DAM1C0 Src Select", ahub_mux, sunxi_ahub_mux_get, sunxi_ahub_mux_set),
+ SOC_ENUM_EXT("DAM1C1 Src Select", ahub_mux, sunxi_ahub_mux_get, sunxi_ahub_mux_set),
+ SOC_ENUM_EXT("DAM1C2 Src Select", ahub_mux, sunxi_ahub_mux_get, sunxi_ahub_mux_set),
+};
+
+static struct snd_soc_component_driver sunxi_ahub_dam_dev = {
+ .name = DRV_NAME,
+ .probe = sunxi_ahub_dam_probe,
+ .suspend = sunxi_ahub_dam_suspend,
+ .resume = sunxi_ahub_dam_resume,
+ .controls = sunxi_ahub_dam_controls,
+ .num_controls = ARRAY_SIZE(sunxi_ahub_dam_controls),
+};
+
+/*******************************************************************************
+ * for kernel source
+ ******************************************************************************/
+int snd_soc_sunxi_ahub_mem_get(struct sunxi_ahub_mem_info *mem_info)
+{
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ if (IS_ERR_OR_NULL(g_mem_info.regmap)) {
+ SND_LOG_ERR(HLOG, "regmap is invalid\n");
+ return -EINVAL;
+ }
+ if (IS_ERR_OR_NULL(g_mem_info.res)) {
+ SND_LOG_ERR(HLOG, "res is invalid\n");
+ return -EINVAL;
+ }
+
+ mem_info->regmap = g_mem_info.regmap;
+ mem_info->res = g_mem_info.res;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_sunxi_ahub_mem_get);
+
+int snd_soc_sunxi_ahub_clk_get(struct sunxi_ahub_clk_info *clk_info)
+{
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ if (IS_ERR_OR_NULL(g_clk_info.clk_pll)) {
+ SND_LOG_ERR(HLOG, "clk_pll is invalid\n");
+ return -EINVAL;
+ }
+ //if (IS_ERR_OR_NULL(g_clk_info.clk_pllx4)) {
+ // SND_LOG_ERR(HLOG, "clk_pllx4 is invalid\n");
+ // return -EINVAL;
+ //}
+ if (IS_ERR_OR_NULL(g_clk_info.clk_module)) {
+ SND_LOG_ERR(HLOG, "clk_module is invalid\n");
+ return -EINVAL;
+ }
+
+ clk_info->clk_pll = g_clk_info.clk_pll;
+ //clk_info->clk_pllx4 = g_clk_info.clk_pllx4;
+ clk_info->clk_module = g_clk_info.clk_module;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_sunxi_ahub_clk_get);
+
+static int snd_soc_sunxi_ahub_mem_init(struct platform_device *pdev,
+ struct device_node *np,
+ struct sunxi_ahub_mem_info *mem_info)
+{
+ int ret = 0;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ ret = of_address_to_resource(np, 0, mem_info->res);
+ if (ret) {
+ SND_LOG_ERR(HLOG, "parse device node resource failed\n");
+ ret = -EINVAL;
+ goto err_of_addr_to_resource;
+ }
+
+ mem_info->memregion = devm_request_mem_region(&pdev->dev,
+ mem_info->res->start,
+ resource_size(mem_info->res),
+ DRV_NAME);
+ if (IS_ERR_OR_NULL(mem_info->memregion)) {
+ SND_LOG_ERR(HLOG, "memory region already claimed\n");
+ ret = -EBUSY;
+ goto err_devm_request_region;
+ }
+
+ mem_info->membase = devm_ioremap(&pdev->dev,
+ mem_info->memregion->start,
+ resource_size(mem_info->memregion));
+ if (IS_ERR_OR_NULL(mem_info->membase)) {
+ SND_LOG_ERR(HLOG, "ioremap failed\n");
+ ret = -EBUSY;
+ goto err_devm_ioremap;
+ }
+
+ mem_info->regmap = devm_regmap_init_mmio(&pdev->dev,
+ mem_info->membase,
+ &g_regmap_config);
+ if (IS_ERR_OR_NULL(mem_info->regmap)) {
+ SND_LOG_ERR(HLOG, "regmap init failed\n");
+ ret = -EINVAL;
+ goto err_devm_regmap_init;
+ }
+
+ return 0;
+
+err_devm_regmap_init:
+ devm_iounmap(&pdev->dev, mem_info->membase);
+err_devm_ioremap:
+ devm_release_mem_region(&pdev->dev, mem_info->memregion->start,
+ resource_size(mem_info->memregion));
+err_devm_request_region:
+err_of_addr_to_resource:
+ return ret;
+};
+
+static int snd_soc_sunxi_ahub_clk_init(struct platform_device *pdev,
+ struct device_node *np,
+ struct sunxi_ahub_clk_info *clk_info)
+{
+ int ret = 0;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ /* deassert rst clk */
+ clk_info->clk_rst = devm_reset_control_get(&pdev->dev, NULL);
+ if (IS_ERR_OR_NULL(clk_info->clk_rst)) {
+ SND_LOG_ERR(HLOG, "clk rst get failed\n");
+ ret = -EBUSY;
+ goto err_rst_clk;
+ }
+ if (reset_control_deassert(clk_info->clk_rst)) {
+ SND_LOG_ERR(HLOG, "deassert reset clk failed\n");
+ ret = -EBUSY;
+ goto err_rst_clk;
+ }
+
+ /* enable ahub bus clk */
+ clk_info->clk_bus = of_clk_get_by_name(np, "clk_bus_audio_hub");
+ if (IS_ERR_OR_NULL(clk_info->clk_bus)) {
+ SND_LOG_ERR(HLOG, "clk bus get failed\n");
+ ret = -EBUSY;
+ goto err_bus_clk;
+ }
+ if (clk_prepare_enable(clk_info->clk_bus)) {
+ SND_LOG_ERR(HLOG, "ahub clk bus enable failed\n");
+ ret = -EBUSY;
+ goto err_bus_clk;
+ }
+
+ /* get clk of ahub */
+ clk_info->clk_module = of_clk_get_by_name(np, "clk_audio_hub");
+ if (IS_ERR_OR_NULL(clk_info->clk_module)) {
+ SND_LOG_ERR(HLOG, "clk module get failed\n");
+ ret = -EBUSY;
+ goto err_module_clk;
+ }
+ clk_info->clk_pll = of_clk_get_by_name(np, "clk_pll_audio");
+ if (IS_ERR_OR_NULL(clk_info->clk_pll)) {
+ SND_LOG_ERR(HLOG, "clk pll get failed\n");
+ ret = -EBUSY;
+ goto err_pll_clk;
+ }
+ //clk_info->clk_pllx4 = of_clk_get_by_name(np, "clk_pll_audio_4x");
+ //if (IS_ERR_OR_NULL(clk_info->clk_pllx4)) {
+ // SND_LOG_ERR(HLOG, "clk pllx4 get failed\n");
+ // ret = -EBUSY;
+ // goto err_pllx4_clk;
+ //}
+
+ /* set ahub clk parent */
+ //if (clk_set_parent(clk_info->clk_module, clk_info->clk_pllx4)) {
+ // SND_LOG_ERR(HLOG, "set parent of clk_module to pllx4 failed\n");
+ // ret = -EINVAL;
+ // goto err_set_parent_clk;
+ //}
+
+ /* enable clk of ahub */
+ if (clk_prepare_enable(clk_info->clk_pll)) {
+ SND_LOG_ERR(HLOG, "clk_pll enable failed\n");
+ ret = -EBUSY;
+ goto err_pll_clk_enable;
+ }
+ //if (clk_prepare_enable(clk_info->clk_pllx4)) {
+ // SND_LOG_ERR(HLOG, "clk_pllx4 enable failed\n");
+ // ret = -EBUSY;
+ // goto err_pllx4_clk_enable;
+ //}
+ if (clk_prepare_enable(clk_info->clk_module)) {
+ SND_LOG_ERR(HLOG, "clk_module enable failed\n");
+ ret = -EBUSY;
+ goto err_module_clk_enable;
+ }
+
+ return 0;
+
+err_module_clk_enable:
+// clk_disable_unprepare(clk_info->clk_pllx4);
+//err_pllx4_clk_enable:
+ clk_disable_unprepare(clk_info->clk_pll);
+err_pll_clk_enable:
+//err_set_parent_clk:
+// clk_put(clk_info->clk_pllx4);
+//err_pllx4_clk:
+// clk_put(clk_info->clk_pll);
+err_pll_clk:
+ clk_put(clk_info->clk_module);
+err_module_clk:
+ clk_disable_unprepare(clk_info->clk_bus);
+ clk_put(clk_info->clk_bus);
+err_bus_clk:
+ reset_control_assert(clk_info->clk_rst);
+err_rst_clk:
+ return ret;
+}
+
+static int sunxi_ahub_dam_dev_probe(struct platform_device *pdev)
+{
+ int ret;
+ struct device_node *np = pdev->dev.of_node;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ ret = snd_soc_sunxi_ahub_mem_init(pdev, np, &g_mem_info);
+ if (ret) {
+ SND_LOG_ERR(HLOG, "remap init failed\n");
+ ret = -EINVAL;
+ goto err_snd_soc_sunxi_ahub_mem_init;
+ }
+
+ ret = snd_soc_sunxi_ahub_clk_init(pdev, np, &g_clk_info);
+ if (ret) {
+ SND_LOG_ERR(HLOG, "clk init failed\n");
+ ret = -EINVAL;
+ goto err_snd_soc_sunxi_ahub_clk_init;
+ }
+
+ ret = snd_soc_register_component(&pdev->dev,
+ &sunxi_ahub_dam_dev,
+ &sunxi_ahub_dam_dai, 1);
+ if (ret) {
+ SND_LOG_ERR(HLOG, "component register failed\n");
+ ret = -ENOMEM;
+ goto err_snd_soc_register_component;
+ }
+
+ SND_LOG_DEBUG(HLOG, "register ahub_dam platform success\n");
+
+ return 0;
+
+err_snd_soc_register_component:
+err_snd_soc_sunxi_ahub_clk_init:
+err_snd_soc_sunxi_ahub_mem_init:
+ of_node_put(np);
+ return ret;
+}
+
+static void sunxi_ahub_dam_dev_remove(struct platform_device *pdev)
+{
+ struct sunxi_ahub_mem_info *mem_info = &g_mem_info;
+ struct sunxi_ahub_clk_info *clk_info = &g_clk_info;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ snd_soc_unregister_component(&pdev->dev);
+
+ devm_iounmap(&pdev->dev, mem_info->membase);
+ devm_release_mem_region(&pdev->dev, mem_info->memregion->start,
+ resource_size(mem_info->memregion));
+
+ clk_disable_unprepare(clk_info->clk_module);
+ clk_put(clk_info->clk_module);
+ clk_disable_unprepare(clk_info->clk_pll);
+ clk_put(clk_info->clk_pll);
+ //clk_disable_unprepare(clk_info->clk_pllx4);
+ //clk_put(clk_info->clk_pllx4);
+ clk_disable_unprepare(clk_info->clk_bus);
+ clk_put(clk_info->clk_bus);
+ reset_control_assert(clk_info->clk_rst);
+
+ SND_LOG_DEBUG(HLOG, "unregister ahub_dam platform success\n");
+}
+
+static const struct of_device_id sunxi_ahub_dam_of_match[] = {
+ { .compatible = "allwinner," DRV_NAME, },
+ {},
+};
+MODULE_DEVICE_TABLE(of, sunxi_ahub_dam_of_match);
+
+static struct platform_driver sunxi_ahub_dam_driver = {
+ .driver = {
+ .name = DRV_NAME,
+ .owner = THIS_MODULE,
+ .of_match_table = sunxi_ahub_dam_of_match,
+ },
+ .probe = sunxi_ahub_dam_dev_probe,
+ .remove = sunxi_ahub_dam_dev_remove,
+};
+
+int __init sunxi_ahub_dam_dev_init(void)
+{
+ int ret;
+
+ ret = platform_driver_register(&sunxi_ahub_dam_driver);
+ if (ret != 0) {
+ SND_LOG_ERR(HLOG, "platform driver register failed\n");
+ return -EINVAL;
+ }
+
+ return ret;
+}
+
+void __exit sunxi_ahub_dam_dev_exit(void)
+{
+ platform_driver_unregister(&sunxi_ahub_dam_driver);
+}
+
+late_initcall(sunxi_ahub_dam_dev_init);
+module_exit(sunxi_ahub_dam_dev_exit);
+
+MODULE_AUTHOR("Dby@allwinnertech.com");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("sunxi soundcard platform of ahub_dam");
diff --git a/sound/soc/sunxi_v2/snd_sunxi_ahub_dam.h b/sound/soc/sunxi_v2/snd_sunxi_ahub_dam.h
new file mode 100644
index 000000000000..436742d87e8f
--- /dev/null
+++ b/sound/soc/sunxi_v2/snd_sunxi_ahub_dam.h
@@ -0,0 +1,294 @@
+/* sound\soc\sunxi\snd_sunxi_ahub_dam.h
+ * (C) Copyright 2021-2025
+ * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
+ * Dby <dby@allwinnertech.com>
+ *
+ * some simple description for this code
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ */
+#ifndef __SND_SUNXI_AHUB_DAM_H
+#define __SND_SUNXI_AHUB_DAM_H
+
+/* SUNXI Audio Hub registers list */
+#define SUNXI_AHUB_CTL 0x00
+#define SUNXI_AHUB_VER 0x04
+#define SUNXI_AHUB_RST 0x08
+#define SUNXI_AHUB_GAT 0x0c
+
+#define SUNXI_AHUB_APBIF_TX_CTL(n) (0x10 + ((n) * 0x30))
+#define SUNXI_AHUB_APBIF_TX_IRQ_CTL(n) (0x14 + ((n) * 0x30))
+#define SUNXI_AHUB_APBIF_TX_IRQ_STA(n) (0x18 + ((n) * 0x30))
+
+#define SUNXI_AHUB_APBIF_TXFIFO_CTL(n) (0x20 + ((n) * 0x30))
+#define SUNXI_AHUB_APBIF_TXFIFO_STA(n) (0x24 + ((n) * 0x30))
+
+#define SUNXI_AHUB_APBIF_TXFIFO(n) (0x30 + ((n) * 0x30))
+#define SUNXI_AHUB_APBIF_TXFIFO_CNT(n) (0x34 + ((n) * 0x30))
+
+#define SUNXI_AHUB_APBIF_RX_CTL(n) (0x100 + ((n) * 0x30))
+#define SUNXI_AHUB_APBIF_RX_IRQ_CTL(n) (0x104 + ((n) * 0x30))
+#define SUNXI_AHUB_APBIF_RX_IRQ_STA(n) (0x108 + ((n) * 0x30))
+
+#define SUNXI_AHUB_APBIF_RXFIFO_CTL(n) (0x110 + ((n) * 0x30))
+#define SUNXI_AHUB_APBIF_RXFIFO_STA(n) (0x114 + ((n) * 0x30))
+#define SUNXI_AHUB_APBIF_RXFIFO_CONT(n) (0x118 + ((n) * 0x30))
+
+#define SUNXI_AHUB_APBIF_RXFIFO(n) (0x120 + ((n) * 0x30))
+#define SUNXI_AHUB_APBIF_RXFIFO_CNT(n) (0x124 + ((n) * 0x30))
+
+#define SUNXI_AHUB_I2S_CTL(n) (0x200 + ((n) << 8))
+#define SUNXI_AHUB_I2S_FMT0(n) (0x204 + ((n) << 8))
+#define SUNXI_AHUB_I2S_FMT1(n) (0x208 + ((n) << 8))
+#define SUNXI_AHUB_I2S_CLKD(n) (0x20c + ((n) << 8))
+
+#define SUNXI_AHUB_I2S_RXCONT(n) (0x220 + ((n) << 8))
+#define SUNXI_AHUB_I2S_CHCFG(n) (0x224 + ((n) << 8))
+#define SUNXI_AHUB_I2S_IRQ_CTL(n) (0x228 + ((n) << 8))
+#define SUNXI_AHUB_I2S_IRQ_STA(n) (0x22C + ((n) << 8))
+#define SUNXI_AHUB_I2S_OUT_SLOT(n, m) (0x230 + ((n) << 8) + ((m) << 4))
+#define SUNXI_AHUB_I2S_OUT_CHMAP0(n, m) (0x234 + ((n) << 8) + ((m) << 4))
+#define SUNXI_AHUB_I2S_OUT_CHMAP1(n, m) (0x238 + ((n) << 8) + ((m) << 4))
+
+#define SUNXI_AHUB_I2S_IN_SLOT(n) (0x270 + ((n) << 8))
+#define SUNXI_AHUB_I2S_IN_CHMAP0(n) (0x274 + ((n) << 8))
+#define SUNXI_AHUB_I2S_IN_CHMAP1(n) (0x278 + ((n) << 8))
+#define SUNXI_AHUB_I2S_IN_CHMAP2(n) (0x27C + ((n) << 8))
+#define SUNXI_AHUB_I2S_IN_CHMAP3(n) (0x280 + ((n) << 8))
+
+#define SUNXI_AHUB_DAM_CTL(n) (0xA00 + ((n) << 7))
+
+#define SUNXI_AHUB_DAM_RX0_SRC(n) (0xA10 + ((n) << 7))
+#define SUNXI_AHUB_DAM_RX1_SRC(n) (0xA14 + ((n) << 7))
+#define SUNXI_AHUB_DAM_RX2_SRC(n) (0xA18 + ((n) << 7))
+
+#define SUNXI_AHUB_DAM_MIX_CTL0(n) (0xA30 + ((n) << 7))
+#define SUNXI_AHUB_DAM_MIX_CTL1(n) (0xA34 + ((n) << 7))
+#define SUNXI_AHUB_DAM_MIX_CTL2(n) (0xA38 + ((n) << 7))
+#define SUNXI_AHUB_DAM_MIX_CTL3(n) (0xA3C + ((n) << 7))
+#define SUNXI_AHUB_DAM_MIX_CTL4(n) (0xA40 + ((n) << 7))
+#define SUNXI_AHUB_DAM_MIX_CTL5(n) (0xA44 + ((n) << 7))
+#define SUNXI_AHUB_DAM_MIX_CTL6(n) (0xA48 + ((n) << 7))
+#define SUNXI_AHUB_DAM_MIX_CTL7(n) (0xA4C + ((n) << 7))
+#define SUNXI_AHUB_DAM_GAIN_CTL0(n) (0xA50 + ((n) << 7))
+#define SUNXI_AHUB_DAM_GAIN_CTL1(n) (0xA54 + ((n) << 7))
+#define SUNXI_AHUB_DAM_GAIN_CTL2(n) (0xA58 + ((n) << 7))
+#define SUNXI_AHUB_DAM_GAIN_CTL3(n) (0xA5C + ((n) << 7))
+#define SUNXI_AHUB_DAM_GAIN_CTL4(n) (0xA60 + ((n) << 7))
+#define SUNXI_AHUB_DAM_GAIN_CTL5(n) (0xA64 + ((n) << 7))
+#define SUNXI_AHUB_DAM_GAIN_CTL6(n) (0xA68 + ((n) << 7))
+#define SUNXI_AHUB_DAM_GAIN_CTL7(n) (0xA6C + ((n) << 7))
+
+#define SUNXI_AHUB_MAX_REG SUNXI_AHUB_DAM_GAIN_CTL7(1)
+
+/* SUNXI_AHUB_CTL */
+#define HDMI_SRC_SEL 0x04
+
+/* SUNXI_AHUB_RST */
+#define APBIF_TXDIF0_RST 31
+#define APBIF_TXDIF1_RST 30
+#define APBIF_TXDIF2_RST 29
+#define APBIF_RXDIF0_RST 27
+#define APBIF_RXDIF1_RST 26
+#define APBIF_RXDIF2_RST 25
+#define I2S0_RST 23
+#define I2S1_RST 22
+#define I2S2_RST 21
+#define I2S3_RST 20
+#define DAM0_RST 15
+#define DAM1_RST 14
+
+/* SUNXI_AHUB_GAT */
+#define APBIF_TXDIF0_GAT 31
+#define APBIF_TXDIF1_GAT 30
+#define APBIF_TXDIF2_GAT 29
+#define APBIF_RXDIF0_GAT 27
+#define APBIF_RXDIF1_GAT 26
+#define APBIF_RXDIF2_GAT 25
+#define I2S0_GAT 23
+#define I2S1_GAT 22
+#define I2S2_GAT 21
+#define I2S3_GAT 20
+#define DAM0_GAT 15
+#define DAM1_GAT 14
+
+/* SUNXI_AHUB_APBIF_TX_CTL */
+#define APBIF_TX_WS 16
+#define APBIF_TX_CHAN_NUM 8
+#define APBIF_TX_START 4
+
+/* SUNXI_AHUB_APBIF_TX_IRQ_CTL */
+#define APBIF_TX_DRQ 3
+#define APBIF_TX_OVEN 1
+#define APBIF_TX_EMEN 0
+
+/* SUNXI_AHUB_APBIF_TX_IRQ_STA */
+#define APBIF_TX_OV_PEND 2
+#define APBIF_TX_EM_PEND 0
+
+/* SUNXI_AHUB_APBIF_TXFIFO_CTL */
+#define APBIF_TX_FTX 12
+#define APBIF_TX_LEVEL 4
+#define APBIF_TX_TXIM 0
+
+/* SUNXI_AHUB_APBIF_TXFIFO_STA */
+#define APBIF_TX_EMPTY 8
+#define APBIF_TX_EMCNT 0
+
+/* SUNXI_AHUB_APBIF_RX_CTL */
+#define APBIF_RX_WS 16
+#define APBIF_RX_CHAN_NUM 8
+#define APBIF_RX_START 4
+
+/* SUNXI_AHUB_APBIF_RX_IRQ_CTL */
+#define APBIF_RX_DRQ 3
+#define APBIF_RX_UVEN 2
+#define APBIF_RX_AVEN 0
+
+/* SUNXI_AHUB_APBIF_RX_IRQ_STA */
+#define APBIF_RX_UV_PEND 2
+#define APBIF_RX_AV_PEND 0
+
+/* SUNXI_AHUB_APBIF_RXFIFO_CTL */
+#define APBIF_RX_FRX 12
+#define APBIF_RX_LEVEL 4
+#define APBIF_RX_RXOM 0
+
+/* SUNXI_AHUB_APBIF_RXFIFO_STA */
+#define APBIF_RX_AVAIL 8
+#define APBIF_RX_AVCNT 0
+
+/* SUNXI_AHUB_APBIF_RXFIFO_CONT */
+#define APBIF_RX_APBIF_TXDIF0 31
+#define APBIF_RX_APBIF_TXDIF1 30
+#define APBIF_RX_APBIF_TXDIF2 29
+#define APBIF_RX_I2S0_TXDIF 27
+#define APBIF_RX_I2S1_TXDIF 26
+#define APBIF_RX_I2S2_TXDIF 25
+#define APBIF_RX_I2S3_TXDIF 23
+#define APBIF_RX_DAM0_TXDIF 19
+#define APBIF_RX_DAM1_TXDIF 15
+
+/* SUNXI_AHUB_I2S_CTL */
+#define I2S_CTL_LOOP3 23
+#define I2S_CTL_LOOP2 22
+#define I2S_CTL_LOOP1 21
+#define I2S_CTL_LOOP0 20
+#define I2S_CTL_SDI3_EN 15
+#define I2S_CTL_SDI2_EN 14
+#define I2S_CTL_SDI1_EN 13
+#define I2S_CTL_SDI0_EN 12
+#define I2S_CTL_CLK_OUT 18
+#define I2S_CTL_SDO3_EN 11
+#define I2S_CTL_SDO2_EN 10
+#define I2S_CTL_SDO1_EN 9
+#define I2S_CTL_SDO0_EN 8
+#define I2S_CTL_OUT_MUTE 6
+#define I2S_CTL_MODE 4
+#define I2S_CTL_TXEN 2
+#define I2S_CTL_RXEN 1
+#define I2S_CTL_GEN 0
+
+/* SUNXI_AHUB_I2S_FMT0 */
+#define I2S_FMT0_LRCK_WIDTH 30
+#define I2S_FMT0_LRCK_POLARITY 19
+#define I2S_FMT0_LRCK_PERIOD 8
+#define I2S_FMT0_BCLK_POLARITY 7
+#define I2S_FMT0_SR 4
+#define I2S_FMT0_EDGE 3
+#define I2S_FMT0_SW 0
+
+/* SUNXI_AHUB_I2S_FMT1 */
+#define I2S_FMT1_RX_LSB 7
+#define I2S_FMT1_TX_LSB 6
+#define I2S_FMT1_EXT 4
+#define I2S_FMT1_RX_PDM 2
+#define I2S_FMT1_TX_PDM 0
+
+/* SUNXI_AHUB_I2S_CLKD */
+#define I2S_CLKD_MCLK 8
+#define I2S_CLKD_BCLKDIV 4
+#define I2S_CLKD_MCLKDIV 0
+
+/* SUNXI_AHUB_I2S_RXCONT */
+#define I2S_RX_APBIF_TXDIF0 31
+#define I2S_RX_APBIF_TXDIF1 30
+#define I2S_RX_APBIF_TXDIF2 29
+#define I2S_RX_I2S0_TXDIF 27
+#define I2S_RX_I2S1_TXDIF 26
+#define I2S_RX_I2S2_TXDIF 25
+#define I2S_RX_I2S3_TXDIF 23
+#define I2S_RX_DAM0_TXDIF 19
+#define I2S_RX_DAM1_TXDIF 15
+
+/* SUNXI_AHUB_I2S_CHCFG */
+#define I2S_CHCFG_HIZ 9
+#define I2S_CHCFG_TX_STATE 8
+#define I2S_CHCFG_RX_CHANNUM 4
+#define I2S_CHCFG_TX_CHANNUM 0
+
+/* SUNXI_AHUB_I2S_IRQ_CTL */
+#define I2S_IRQ_RXOV_EN 1
+#define I2S_IRQ_TXUV_EN 0
+
+/* SUNXI_AHUB_I2S_IRQ_STA */
+#define I2S_IRQ_RXOV_PEND 1
+#define I2S_IRQ_TXUV_PEND 0
+
+/* SUNXI_AHUB_I2S_OUT_SLOT */
+#define I2S_OUT_OFFSET 20
+#define I2S_OUT_SLOT_NUM 16
+#define I2S_OUT_SLOT_EN 0
+
+/* SUNXI_AHUB_I2S_IN_SLOT */
+#define I2S_IN_OFFSET 20
+#define I2S_IN_SLOT_NUM 16
+
+/* SUNXI_AHUB_DAM_CTL */
+#define DAM_CTL_RX2_NUM 24
+#define DAM_CTL_RX1_NUM 20
+#define DAM_CTL_RX0_NUM 16
+#define DAM_CTL_TX_NUM 8
+#define DAM_CTL_RX2EN 6
+#define DAM_CTL_RX1EN 5
+#define DAM_CTL_RX0EN 4
+#define DAM_CTL_TXEN 0
+
+/* SUNXI_AHUB_DAM_RX##chan##_SRC */
+#define DAM_RX_APBIF_TXDIF0 31
+#define DAM_RX_APBIF_TXDIF1 30
+#define DAM_RX_APBIF_TXDIF2 29
+#define DAM_RX_I2S0_TXDIF 27
+#define DAM_RX_I2S1_TXDIF 26
+#define DAM_RX_I2S2_TXDIF 25
+#define DAM_RX_I2S3_TXDIF 23
+#define DAM_RX_DAM0_TXDIF 19
+#define DAM_RX_DAM1_TXDIF 15
+
+struct sunxi_ahub_mem_info {
+ char *dev_name;
+ struct resource *res;
+ void __iomem *membase;
+ struct resource *memregion;
+ struct regmap *regmap;
+};
+
+struct sunxi_ahub_clk_info {
+ struct clk *clk_pll;
+ struct clk *clk_pllx4;
+ struct clk *clk_module;
+ struct clk *clk_bus;
+ struct reset_control *clk_rst;
+};
+
+extern int snd_soc_sunxi_ahub_mem_get(struct sunxi_ahub_mem_info *mem_info);
+extern int snd_soc_sunxi_ahub_clk_get(struct sunxi_ahub_clk_info *clk_info);
+
+int __init sunxi_ahub_dam_dev_init(void);
+void __exit sunxi_ahub_dam_dev_exit(void);
+
+#endif /* __SND_SUNXI_AHUB_DAM_H */
diff --git a/sound/soc/sunxi_v2/snd_sunxi_common.c b/sound/soc/sunxi_v2/snd_sunxi_common.c
new file mode 100644
index 000000000000..410ab75aea5a
--- /dev/null
+++ b/sound/soc/sunxi_v2/snd_sunxi_common.c
@@ -0,0 +1,267 @@
+/*
+ * sound\soc\sunxi\snd_sunxi_common.c
+ * (C) Copyright 2021-2025
+ * AllWinner Technology Co., Ltd. <www.allwinnertech.com>
+ * Dby <dby@allwinnertech.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/regulator/consumer.h>
+#include <linux/of.h>
+#include <linux/clk.h>
+#include <linux/reset.h>
+#include <linux/device.h>
+#include <linux/ioport.h>
+#include <linux/regmap.h>
+#include <linux/of_address.h>
+#include <linux/of_gpio.h>
+
+#include "snd_sunxi_log.h"
+#include "snd_sunxi_common.h"
+
+#define HLOG "COMMON"
+
+/* for regmap */
+int snd_sunxi_mem_init(struct platform_device *pdev,
+ struct sunxi_mem_info *mem_info)
+{
+ int ret = 0;
+ struct device_node *np = pdev->dev.of_node;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ ret = of_address_to_resource(np, 0, mem_info->res);
+ if (ret) {
+ SND_LOG_ERR(HLOG, "parse device node resource failed\n");
+ ret = -EINVAL;
+ goto err_of_addr_to_resource;
+ }
+
+ mem_info->memregion = devm_request_mem_region(&pdev->dev,
+ mem_info->res->start,
+ resource_size(mem_info->res),
+ mem_info->dev_name);
+ if (IS_ERR_OR_NULL(mem_info->memregion)) {
+ SND_LOG_ERR(HLOG, "memory region already claimed\n");
+ ret = -EBUSY;
+ goto err_devm_request_region;
+ }
+
+ mem_info->membase = devm_ioremap(&pdev->dev,
+ mem_info->memregion->start,
+ resource_size(mem_info->memregion));
+ if (IS_ERR_OR_NULL(mem_info->membase)) {
+ SND_LOG_ERR(HLOG, "ioremap failed\n");
+ ret = -EBUSY;
+ goto err_devm_ioremap;
+ }
+
+ mem_info->regmap = devm_regmap_init_mmio(&pdev->dev,
+ mem_info->membase,
+ mem_info->regmap_config);
+ if (IS_ERR_OR_NULL(mem_info->regmap)) {
+ SND_LOG_ERR(HLOG, "regmap init failed\n");
+ ret = -EINVAL;
+ goto err_devm_regmap_init;
+ }
+
+ return 0;
+
+err_devm_regmap_init:
+ devm_iounmap(&pdev->dev, mem_info->membase);
+err_devm_ioremap:
+ devm_release_mem_region(&pdev->dev, mem_info->memregion->start,
+ resource_size(mem_info->memregion));
+err_devm_request_region:
+err_of_addr_to_resource:
+ return ret;
+}
+
+void snd_sunxi_mem_exit(struct platform_device *pdev,
+ struct sunxi_mem_info *mem_info)
+{
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ devm_iounmap(&pdev->dev, mem_info->membase);
+ devm_release_mem_region(&pdev->dev, mem_info->memregion->start,
+ resource_size(mem_info->memregion));
+}
+
+/* for reg labels */
+int snd_sunxi_save_reg(struct regmap *regmap, struct reg_label *reg_labels)
+{
+ int i = 0;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ while (reg_labels[i].name != NULL) {
+ regmap_read(regmap,
+ reg_labels[i].address, &(reg_labels[i].value));
+ i++;
+ }
+
+ return i;
+}
+
+int snd_sunxi_echo_reg(struct regmap *regmap, struct reg_label *reg_labels)
+{
+ int i = 0;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ while (reg_labels[i].name != NULL) {
+ regmap_write(regmap,
+ reg_labels[i].address, reg_labels[i].value);
+ i++;
+ }
+
+ return i;
+}
+
+/* for pa config */
+struct pa_config *snd_sunxi_pa_pin_init(struct platform_device *pdev,
+ u32 *pa_pin_max)
+{
+ int ret, i;
+ u32 pin_max;
+ u32 gpio_tmp;
+ u32 temp_val;
+ char str[20] = {0};
+ struct pa_config *pa_cfg;
+ struct device_node *np = pdev->dev.of_node;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ *pa_pin_max = 0;
+ ret = of_property_read_u32(np, "pa_pin_max", &temp_val);
+ if (ret < 0) {
+ SND_LOG_WARN(HLOG, "pa_pin_max get failed, default 0\n");
+ return NULL;
+ } else {
+ pin_max = temp_val;
+ }
+
+ pa_cfg = kzalloc(sizeof(struct pa_config) * pin_max, GFP_KERNEL);
+ if (!pa_cfg) {
+ SND_LOG_ERR(HLOG, "can't pa_config memory\n");
+ return NULL;
+ }
+
+ for (i = 0; i < pin_max; i++) {
+ sprintf(str, "pa_pin_%d", i);
+ ret = of_get_named_gpio(np, str, 0);
+ if (ret < 0) {
+ SND_LOG_ERR(HLOG, "pa_pin_%u get failed\n", i);
+ pa_cfg[i].used = 0;
+ continue;
+ }
+ gpio_tmp = ret;
+ if (!gpio_is_valid(gpio_tmp)) {
+ SND_LOG_ERR(HLOG, "pa_pin_%u (%u) is invalid\n",
+ i, gpio_tmp);
+ pa_cfg[i].used = 0;
+ continue;
+ }
+ ret = devm_gpio_request(&pdev->dev, gpio_tmp, str);
+ if (ret) {
+ SND_LOG_ERR(HLOG, "pa_pin_%u (%u) request failed\n",
+ i, gpio_tmp);
+ pa_cfg[i].used = 0;
+ continue;
+ }
+ pa_cfg[i].used = 1;
+ pa_cfg[i].pin = gpio_tmp;
+
+ sprintf(str, "pa_pin_level_%d", i);
+ ret = of_property_read_u32(np, str, &temp_val);
+ if (ret < 0) {
+ SND_LOG_WARN(HLOG, "%s get failed, default low\n", str);
+ pa_cfg[i].level = 0;
+ } else {
+ if (temp_val > 0)
+ pa_cfg[i].level = 1;
+ }
+ sprintf(str, "pa_pin_msleep_%d", i);
+ ret = of_property_read_u32(np, str, &temp_val);
+ if (ret < 0) {
+ SND_LOG_WARN(HLOG, "%s get failed, default 0\n", str);
+ pa_cfg[i].msleep = 0;
+ } else {
+ pa_cfg[i].msleep = temp_val;
+ }
+ }
+
+ *pa_pin_max = pin_max;
+ snd_sunxi_pa_pin_disable(pa_cfg, pin_max);
+
+ return pa_cfg;
+}
+
+void snd_sunxi_pa_pin_exit(struct platform_device *pdev,
+ struct pa_config *pa_cfg, u32 pa_pin_max)
+{
+ int i;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ snd_sunxi_pa_pin_disable(pa_cfg, pa_pin_max);
+
+ for (i = 0; i < pa_pin_max; i++) {
+ if (!pa_cfg[i].used)
+ continue;
+
+ gpio_free(pa_cfg[i].pin);
+ }
+
+ if (pa_cfg)
+ kfree(pa_cfg);
+}
+
+int snd_sunxi_pa_pin_enable(struct pa_config *pa_cfg, u32 pa_pin_max)
+{
+ int i;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ if (pa_pin_max < 1) {
+ SND_LOG_DEBUG(HLOG, "no pa pin config\n");
+ return 0;
+ }
+
+ for (i = 0; i < pa_pin_max; i++) {
+ if (!pa_cfg[i].used)
+ continue;
+
+ gpio_direction_output(pa_cfg[i].pin, 1);
+ gpio_set_value(pa_cfg[i].pin, pa_cfg[i].level);
+ }
+
+ return 0;
+}
+
+void snd_sunxi_pa_pin_disable(struct pa_config *pa_cfg, u32 pa_pin_max)
+{
+ int i;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ if (pa_pin_max < 1) {
+ SND_LOG_DEBUG(HLOG, "no pa pin config\n");
+ return;
+ }
+
+ for (i = 0; i < pa_pin_max; i++) {
+ if (!pa_cfg[i].used)
+ continue;
+
+ gpio_direction_output(pa_cfg[i].pin, 1);
+ gpio_set_value(pa_cfg[i].pin, !pa_cfg[i].level);
+ }
+}
diff --git a/sound/soc/sunxi_v2/snd_sunxi_common.h b/sound/soc/sunxi_v2/snd_sunxi_common.h
new file mode 100644
index 000000000000..7b88d20c25e0
--- /dev/null
+++ b/sound/soc/sunxi_v2/snd_sunxi_common.h
@@ -0,0 +1,67 @@
+/* sound\soc\sunxi\snd_sunxi_common.h
+ * (C) Copyright 2021-2025
+ * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
+ * Dby <dby@allwinnertech.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#ifndef __SND_SUNXI_COMMON_H
+#define __SND_SUNXI_COMMON_H
+
+/* for regmap */
+struct sunxi_mem_info {
+ char *dev_name;
+ struct resource *res;
+ struct regmap_config *regmap_config;
+
+ void __iomem *membase;
+ struct resource *memregion;
+ struct regmap *regmap;
+};
+
+int snd_sunxi_mem_init(struct platform_device *pdev,
+ struct sunxi_mem_info *mem_info);
+void snd_sunxi_mem_exit(struct platform_device *pdev,
+ struct sunxi_mem_info *mem_info);
+
+/* for reg debug */
+#define REG_LABEL(constant) {#constant, constant, 0}
+#define REG_LABEL_END {NULL, 0, 0}
+
+struct reg_label {
+ const char *name;
+ const unsigned int address;
+ unsigned int value;
+};
+
+/* EX:
+ * static struct reg_label reg_labels[] = {
+ * REG_LABEL(SUNXI_REG_0),
+ * REG_LABEL(SUNXI_REG_1),
+ * REG_LABEL(SUNXI_REG_n),
+ * REG_LABEL_END,
+ * };
+ */
+int snd_sunxi_save_reg(struct regmap *regmap, struct reg_label *reg_labels);
+int snd_sunxi_echo_reg(struct regmap *regmap, struct reg_label *reg_labels);
+
+/* for pa config */
+struct pa_config {
+ u32 pin;
+ u32 msleep;
+ bool used;
+ bool level;
+};
+
+struct pa_config *snd_sunxi_pa_pin_init(struct platform_device *pdev,
+ u32 *pa_pin_max);
+void snd_sunxi_pa_pin_exit(struct platform_device *pdev,
+ struct pa_config *pa_cfg, u32 pa_pin_max);
+int snd_sunxi_pa_pin_enable(struct pa_config *pa_cfg, u32 pa_pin_max);
+void snd_sunxi_pa_pin_disable(struct pa_config *pa_cfg, u32 pa_pin_max);
+
+#endif /* __SND_SUNXI_COMMON_H */
\ No newline at end of file
diff --git a/sound/soc/sunxi_v2/snd_sunxi_log.h b/sound/soc/sunxi_v2/snd_sunxi_log.h
new file mode 100644
index 000000000000..89ad9fe71936
--- /dev/null
+++ b/sound/soc/sunxi_v2/snd_sunxi_log.h
@@ -0,0 +1,29 @@
+/*
+ * sound\soc\sunxi\snd_sunxi_log.h
+ * (C) Copyright 2021-2025
+ * allwinner Technology Co., Ltd. <www.allwinnertech.com>
+ * Dby <dby@allwinnertech.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#ifndef __SND_SUNXI_LOG_H
+#define __SND_SUNXI_LOG_H
+#include <linux/kernel.h>
+
+#define SND_LOG_ERR(head, fmt, arg...) \
+ pr_err("[sound %4d][" head " %s] " fmt, __LINE__, __func__, ##arg)
+
+#define SND_LOG_WARN(head, fmt, arg...) \
+ pr_warn("[sound %4d][" head " %s] " fmt, __LINE__, __func__, ##arg)
+
+#define SND_LOG_INFO(head, fmt, arg...) \
+ pr_info("[sound %4d][" head " %s] " fmt, __LINE__, __func__, ##arg)
+
+#define SND_LOG_DEBUG(head, fmt, arg...) \
+ pr_debug("[sound %4d][" head " %s] " fmt, __LINE__, __func__, ##arg)
+
+#endif /* __SND_SUNXI_LOG_H */
diff --git a/sound/soc/sunxi_v2/snd_sunxi_mach.c b/sound/soc/sunxi_v2/snd_sunxi_mach.c
new file mode 100644
index 000000000000..74d276a2da92
--- /dev/null
+++ b/sound/soc/sunxi_v2/snd_sunxi_mach.c
@@ -0,0 +1,479 @@
+/*
+ * sound\soc\sunxi\snd_sunxi_mach.c
+ * (C) Copyright 2021-2025
+ * AllWinner Technology Co., Ltd. <www.allwinnertech.com>
+ * Dby <dby@allwinnertech.com>
+ *
+ * based on ${LINUX}/sound/soc/generic/simple-card.c
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#include <linux/module.h>
+#include <sound/soc.h>
+
+#include "snd_sunxi_log.h"
+#include "snd_sunxi_mach.h"
+
+#define HLOG "MACH"
+#define DAI "sound-dai"
+#define CELL "#sound-dai-cells"
+#define PREFIX "soundcard-mach,"
+
+#define DRV_NAME "sunxi-snd-mach"
+
+static void asoc_simple_shutdown(struct snd_pcm_substream *substream)
+{
+}
+
+static int asoc_simple_startup(struct snd_pcm_substream *substream)
+{
+ return 0;
+}
+
+static int asoc_simple_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
+
+ struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
+ struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
+
+ struct asoc_simple_priv *priv = snd_soc_card_get_drvdata(rtd->card);
+ struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, rtd->id);
+ struct simple_dai_props *dai_props = simple_priv_to_props(priv, rtd->id);
+ struct asoc_simple_dai *dais = priv->dais;
+ unsigned int mclk;
+ unsigned int cpu_pll_clk, codec_pll_clk;
+ unsigned int cpu_bclk_ratio, codec_bclk_ratio;
+ unsigned int freq_point;
+ int cpu_clk_div, codec_clk_div;
+ int ret = 0;
+
+ switch (params_rate(params)) {
+ case 8000:
+ case 12000:
+ case 16000:
+ case 24000:
+ case 32000:
+ case 48000:
+ case 64000:
+ case 96000:
+ case 192000:
+ freq_point = 24576000;
+ break;
+ case 11025:
+ case 22050:
+ case 44100:
+ case 88200:
+ case 176400:
+ freq_point = 22579200;
+ break;
+ default:
+ SND_LOG_ERR(HLOG, "Invalid rate %d\n", params_rate(params));
+ return -EINVAL;
+ }
+
+ /* for cpudai pll clk */
+ cpu_pll_clk = freq_point * dai_props->cpu_pll_fs;
+ codec_pll_clk = freq_point * dai_props->codec_pll_fs;
+ cpu_clk_div = cpu_pll_clk / params_rate(params);
+ codec_clk_div = codec_pll_clk / params_rate(params);
+ SND_LOG_DEBUG(HLOG, "freq point : %u\n", freq_point);
+ SND_LOG_DEBUG(HLOG, "cpu pllclk : %u\n", cpu_pll_clk);
+ SND_LOG_DEBUG(HLOG, "codec pllclk : %u\n", codec_pll_clk);
+ SND_LOG_DEBUG(HLOG, "cpu clk_div : %u\n", cpu_clk_div);
+ SND_LOG_DEBUG(HLOG, "codec clk_div: %u\n", codec_clk_div);
+
+ if (cpu_dai->driver->ops->set_pll) {
+ ret = snd_soc_dai_set_pll(cpu_dai, substream->stream, 0,
+ cpu_pll_clk, cpu_pll_clk);
+ if (ret) {
+ SND_LOG_ERR(HLOG, "cpu_dai set pllclk failed\n");
+ return ret;
+ }
+ }
+ if (codec_dai->driver->ops->set_pll) {
+ ret = snd_soc_dai_set_pll(codec_dai, substream->stream, 0,
+ codec_pll_clk, codec_pll_clk);
+ if (ret) {
+ SND_LOG_ERR(HLOG, "codec_dai set pllclk failed\n");
+ return ret;
+ }
+ }
+
+ if (cpu_dai->driver->ops->set_clkdiv) {
+ ret = snd_soc_dai_set_clkdiv(cpu_dai, 0, cpu_clk_div);
+ if (ret) {
+ SND_LOG_ERR(HLOG, "cpu_dai set clk_div failed\n");
+ return ret;
+ }
+ }
+ if (codec_dai->driver->ops->set_clkdiv) {
+ ret = snd_soc_dai_set_clkdiv(codec_dai, 0, codec_clk_div);
+ if (ret) {
+ SND_LOG_ERR(HLOG, "cadec_dai set clk_div failed.\n");
+ return ret;
+ }
+ }
+
+ /* use for tdm only */
+ if (!(dais->slots && dais->slot_width))
+ return 0;
+
+ /* for cpudai & codecdai mclk */
+ if (dai_props->mclk_fp)
+ mclk = (freq_point >> 1) * dai_props->mclk_fs;
+ else
+ mclk = params_rate(params) * dai_props->mclk_fs;
+ cpu_bclk_ratio = cpu_pll_clk / (params_rate(params) * dais->slot_width * dais->slots);
+ codec_bclk_ratio = codec_pll_clk / (params_rate(params) * dais->slot_width * dais->slots);
+ SND_LOG_DEBUG(HLOG, "mclk : %u\n", mclk);
+ SND_LOG_DEBUG(HLOG, "cpu_bclk_ratio : %u\n", cpu_bclk_ratio);
+ SND_LOG_DEBUG(HLOG, "codec_bclk_ratio: %u\n", codec_bclk_ratio);
+
+ if (cpu_dai->driver->ops->set_sysclk) {
+ ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk, SND_SOC_CLOCK_OUT);
+ if (ret) {
+ SND_LOG_ERR(HLOG, "cpu_dai set sysclk(mclk) failed\n");
+ return ret;
+ }
+ }
+ if (codec_dai->driver->ops->set_sysclk) {
+ ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, SND_SOC_CLOCK_IN);
+ if (ret) {
+ SND_LOG_ERR(HLOG, "cadec_dai set sysclk(mclk) failed\n");
+ return ret;
+ }
+ }
+
+ if (cpu_dai->driver->ops->set_bclk_ratio) {
+ ret = snd_soc_dai_set_bclk_ratio(cpu_dai, cpu_bclk_ratio);
+ if (ret) {
+ SND_LOG_ERR(HLOG, "cpu_dai set bclk failed\n");
+ return ret;
+ }
+ }
+ if (codec_dai->driver->ops->set_bclk_ratio) {
+ ret = snd_soc_dai_set_bclk_ratio(codec_dai, codec_bclk_ratio);
+ if (ret) {
+ SND_LOG_ERR(HLOG, "codec_dai set bclk failed\n");
+ return ret;
+ }
+ }
+
+ if (cpu_dai->driver->ops->set_fmt) {
+ ret = snd_soc_dai_set_fmt(cpu_dai, dai_link->dai_fmt);
+ if (ret) {
+ SND_LOG_ERR(HLOG, "cpu dai set fmt failed\n");
+ return ret;
+ }
+ }
+ if (codec_dai->driver->ops->set_fmt) {
+ ret = snd_soc_dai_set_fmt(codec_dai, dai_link->dai_fmt);
+ if (ret) {
+ SND_LOG_ERR(HLOG, "codec dai set fmt failed\n");
+ return ret;
+ }
+ }
+
+ if (cpu_dai->driver->ops->set_tdm_slot) {
+ ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0, 0, dais->slots, dais->slot_width);
+ if (ret) {
+ SND_LOG_ERR(HLOG, "cpu dai set tdm slot failed\n");
+ return ret;
+ }
+ }
+ if (codec_dai->driver->ops->set_tdm_slot) {
+ ret = snd_soc_dai_set_tdm_slot(codec_dai, 0, 0, dais->slots, dais->slot_width);
+ if (ret) {
+ SND_LOG_ERR(HLOG, "codec dai set tdm slot failed\n");
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static struct snd_soc_ops simple_ops = {
+ .startup = asoc_simple_startup,
+ .shutdown = asoc_simple_shutdown,
+ .hw_params = asoc_simple_hw_params,
+};
+
+static int asoc_simple_dai_init(struct snd_soc_pcm_runtime *rtd)
+{
+ int i;
+ struct snd_soc_card *card = rtd->card;
+ struct snd_soc_dapm_context *dapm = &card->dapm;
+
+ const struct snd_kcontrol_new *controls = card->controls;
+
+ for (i = 0; i < card->num_controls; i++)
+ if (controls[i].info == snd_soc_dapm_info_pin_switch)
+ snd_soc_dapm_disable_pin(dapm,
+ (const char *)controls[i].private_value);
+
+ if (card->num_controls)
+ snd_soc_dapm_sync(dapm);
+
+ /* snd_soc_dai_set_sysclk(); */
+ /* snd_soc_dai_set_tdm_slot(); */
+
+ return 0;
+}
+
+static int simple_dai_link_of(struct device_node *node,
+ struct asoc_simple_priv *priv)
+{
+ struct device *dev = simple_priv_to_dev(priv);
+ struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, 0);
+ struct simple_dai_props *dai_props = simple_priv_to_props(priv, 0);
+ struct device_node *top_np = NULL;
+ struct device_node *cpu = NULL;
+ struct device_node *plat = NULL;
+ struct device_node *codec = NULL;
+ char prop[128];
+ char *prefix = "";
+ int ret, single_cpu;
+
+ prefix = PREFIX;
+ top_np = node;
+
+ snprintf(prop, sizeof(prop), "%scpu", prefix);
+ cpu = of_get_child_by_name(top_np, prop);
+ if (!cpu) {
+ ret = -EINVAL;
+ SND_LOG_ERR(HLOG, "Can't find %s DT node\n", prop);
+ goto dai_link_of_err;
+ }
+ snprintf(prop, sizeof(prop), "%splat", prefix);
+ plat = of_get_child_by_name(top_np, prop);
+
+ snprintf(prop, sizeof(prop), "%scodec", prefix);
+ codec = of_get_child_by_name(top_np, prop);
+ if (!codec) {
+ ret = -EINVAL;
+ SND_LOG_ERR(HLOG, "Can't find %s DT node\n", prop);
+ goto dai_link_of_err;
+ }
+
+ ret = asoc_simple_parse_daifmt(top_np, codec, prefix, &dai_link->dai_fmt);
+ if (ret < 0)
+ goto dai_link_of_err;
+ /* sunxi: parse stream direction
+ * ex1)
+ * top_node {
+ * PREFIXplayback-only;
+ * }
+ * ex2)
+ * top_node {
+ * PREFIXcapture-only;
+ * }
+ */
+ ret = asoc_simple_parse_daistream(top_np, prefix, dai_link);
+ if (ret < 0)
+ goto dai_link_of_err;
+ /* sunxi: parse slot-num & slot-width
+ * ex)
+ * top_node {
+ * PREFIXplayslot-num = <x>;
+ * PREFIXplayslot-width = <x>;
+ * }
+ */
+ ret = asoc_simple_parse_tdm_slot(top_np, prefix, priv->dais);
+ if (ret < 0)
+ goto dai_link_of_err;
+
+ ret = asoc_simple_parse_cpu(cpu, dai_link, DAI, CELL, &single_cpu);
+ if (ret < 0)
+ goto dai_link_of_err;
+ ret = asoc_simple_parse_codec(codec, dai_link, DAI, CELL);
+ if (ret < 0) {
+ if (ret == -EPROBE_DEFER)
+ goto dai_link_of_err;
+ dai_link->codecs->name = "snd-soc-dummy";
+ dai_link->codecs->dai_name = "snd-soc-dummy-dai";
+ /* dai_link->codecs->name = "sunxi-dummy-codec"; */
+ /* dai_link->codecs->dai_name = "sunxi-dummy-codec-dai"; */
+ SND_LOG_DEBUG(HLOG, "use dummy codec for simple card.\n");
+ }
+ ret = asoc_simple_parse_platform(plat, dai_link, DAI, CELL);
+ if (ret < 0)
+ goto dai_link_of_err;
+
+ /* sunxi: parse pll-fs & mclk-fs
+ * ex)
+ * top_node {
+ * PREFIXcpu {
+ * PREFIXpll-fs = <x>;
+ * PREFIXmclk-fs = <x>;
+ * }
+ * }
+ */
+ ret = asoc_simple_parse_tdm_clk(cpu, codec, prefix, dai_props);
+ if (ret < 0)
+ goto dai_link_of_err;
+
+ ret = asoc_simple_set_dailink_name(dev, dai_link,
+ "%s-%s",
+ dai_link->cpus->dai_name,
+ dai_link->codecs->dai_name);
+ if (ret < 0)
+ goto dai_link_of_err;
+
+ dai_link->ops = &simple_ops;
+ dai_link->init = asoc_simple_dai_init;
+
+ SND_LOG_DEBUG(HLOG, "name : %s\n", dai_link->stream_name);
+ SND_LOG_DEBUG(HLOG, "format : %x\n", dai_link->dai_fmt);
+ SND_LOG_DEBUG(HLOG, "cpu : %s\n", dai_link->cpus->name);
+ SND_LOG_DEBUG(HLOG, "codec : %s\n", dai_link->codecs->name);
+
+ asoc_simple_canonicalize_cpu(dai_link, single_cpu);
+ asoc_simple_canonicalize_platform(dai_link);
+
+dai_link_of_err:
+ of_node_put(cpu);
+ of_node_put(plat);
+ of_node_put(codec);
+
+ return ret;
+}
+
+static int simple_parse_of(struct asoc_simple_priv *priv)
+{
+ int ret;
+ struct device *dev = simple_priv_to_dev(priv);
+ struct snd_soc_card *card = simple_priv_to_card(priv);
+ struct device_node *top_np = dev->of_node;
+
+ SND_LOG_DEBUG(HLOG, "\n");
+
+ if (!top_np)
+ return -EINVAL;
+
+ /* DAPM widgets */
+ ret = asoc_simple_parse_widgets(card, PREFIX);
+ if (ret < 0)
+ return ret;
+
+ /* DAPM routes */
+ ret = asoc_simple_parse_routing(card, PREFIX);
+ if (ret < 0)
+ return ret;
+
+ /* DAPM pin_switches */
+ ret = asoc_simple_parse_pin_switches(card, PREFIX);
+ if (ret < 0)
+ return ret;
+
+ /* For single DAI link & old style of DT node */
+ ret = simple_dai_link_of(top_np, priv);
+ if (ret < 0)
+ return ret;
+
+ ret = asoc_simple_parse_card_name(card, PREFIX);
+ return ret;
+}
+
+static int simple_soc_probe(struct snd_soc_card *card)
+{
+ return 0;
+}
+
+static int asoc_simple_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct device_node *top_np = dev->of_node;
+ struct asoc_simple_priv *priv;
+ struct snd_soc_card *card;
+ int ret;
+
+ /* Allocate the private data and the DAI link array */
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ card = simple_priv_to_card(priv);
+ card->owner = THIS_MODULE;
+ card->dev = dev;
+ card->probe = simple_soc_probe;
+
+ ret = asoc_simple_init_priv(priv);
+ if (ret < 0)
+ return ret;
+
+ if (top_np && of_device_is_available(top_np)) {
+ ret = simple_parse_of(priv);
+ if (ret < 0) {
+ if (ret != -EPROBE_DEFER)
+ SND_LOG_ERR(HLOG, "parse error %d\n", ret);
+ goto err;
+ }
+ } else {
+ SND_LOG_ERR(HLOG, "simple card dts available\n");
+ }
+
+ snd_soc_card_set_drvdata(card, priv);
+
+ /* asoc_simple_debug_info(priv); */
+ ret = devm_snd_soc_register_card(dev, card);
+ if (ret >= 0)
+ return ret;
+err:
+ asoc_simple_clean_reference(card);
+
+ return ret;
+}
+
+static void asoc_simple_remove(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+ asoc_simple_clean_reference(card);
+}
+
+static const struct of_device_id snd_soc_sunxi_of_match[] = {
+ { .compatible = "allwinner," DRV_NAME, },
+ {},
+};
+MODULE_DEVICE_TABLE(of, snd_soc_sunxi_of_match);
+
+static struct platform_driver sunxi_soundcard_machine_driver = {
+ .driver = {
+ .name = DRV_NAME,
+ .pm = &snd_soc_pm_ops,
+ .of_match_table = snd_soc_sunxi_of_match,
+ },
+ .probe = asoc_simple_probe,
+ .remove = asoc_simple_remove,
+};
+
+int __init sunxi_soundcard_machine_dev_init(void)
+{
+ int ret;
+
+ ret = platform_driver_register(&sunxi_soundcard_machine_driver);
+ if (ret != 0) {
+ SND_LOG_ERR(HLOG, "platform driver register failed\n");
+ return -EINVAL;
+ }
+
+ return ret;
+}
+
+void __exit sunxi_soundcard_machine_dev_exit(void)
+{
+ platform_driver_unregister(&sunxi_soundcard_machine_driver);
+}
+
+late_initcall(sunxi_soundcard_machine_dev_init);
+module_exit(sunxi_soundcard_machine_dev_exit);
+
+MODULE_AUTHOR("Dby@allwinnertech.com");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("sunxi soundcard machine");
diff --git a/sound/soc/sunxi_v2/snd_sunxi_mach.h b/sound/soc/sunxi_v2/snd_sunxi_mach.h
new file mode 100644
index 000000000000..6f9ea8ccf8b5
--- /dev/null
+++ b/sound/soc/sunxi_v2/snd_sunxi_mach.h
@@ -0,0 +1,20 @@
+/* sound\soc\sunxi\snd_sunxi_mach.h
+ * (C) Copyright 2021-2025
+ * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
+ * Dby <dby@allwinnertech.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#ifndef __SND_SUNXI_MACH_H
+#define __SND_SUNXI_MACH_H
+
+#include "snd_sunxi_mach_utils.h"
+
+int __init sunxi_soundcard_machine_dev_init(void);
+void __exit sunxi_soundcard_machine_dev_exit(void);
+
+#endif /* __SND_SUNXI_MACH_H */
diff --git a/sound/soc/sunxi_v2/snd_sunxi_mach_utils.c b/sound/soc/sunxi_v2/snd_sunxi_mach_utils.c
new file mode 100644
index 000000000000..15f474e5cbeb
--- /dev/null
+++ b/sound/soc/sunxi_v2/snd_sunxi_mach_utils.c
@@ -0,0 +1,422 @@
+/*
+ * sound\soc\sunxi\snd_sunxi_mach_utils.c
+ * (C) Copyright 2021-2025
+ * AllWinner Technology Co., Ltd. <www.allwinnertech.com>
+ * Dby <dby@allwinnertech.com>
+ *
+ * based on ${LINUX}/sound/soc/generic/simple-card.c
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/of.h>
+#include <sound/soc.h>
+
+#include "snd_sunxi_log.h"
+#include "snd_sunxi_mach_utils.h"
+
+#define HLOG "mach_utils"
+
+int asoc_simple_clean_reference(struct snd_soc_card *card)
+{
+ struct snd_soc_dai_link *dai_link;
+ int i;
+
+ for_each_card_prelinks(card, i, dai_link) {
+ of_node_put(dai_link->cpus->of_node);
+ of_node_put(dai_link->codecs->of_node);
+ }
+ return 0;
+}
+
+int asoc_simple_init_priv(struct asoc_simple_priv *priv)
+{
+ struct snd_soc_card *card = simple_priv_to_card(priv);
+ struct device *dev = simple_priv_to_dev(priv);
+ struct snd_soc_dai_link *dai_link;
+ struct simple_dai_props *dai_props;
+ struct asoc_simple_dai *dais;
+ struct snd_soc_codec_conf *cconf = NULL;
+
+ dai_props = devm_kcalloc(dev, 1, sizeof(*dai_props), GFP_KERNEL);
+ dai_link = devm_kcalloc(dev, 1, sizeof(*dai_link), GFP_KERNEL);
+ dais = devm_kcalloc(dev, 1, sizeof(*dais), GFP_KERNEL);
+ if (!dai_props || !dai_link || !dais)
+ return -ENOMEM;
+
+ /*
+ if (li->conf) {
+ cconf = devm_kcalloc(dev, li->conf, sizeof(*cconf), GFP_KERNEL);
+ if (!cconf)
+ return -ENOMEM;
+ }
+ */
+
+ /*
+ * Use snd_soc_dai_link_component instead of legacy style
+ * It is codec only. but cpu/platform will be supported in the future.
+ * see
+ * soc-core.c :: snd_soc_init_multicodec()
+ *
+ * "platform" might be removed
+ * see
+ * simple-card-utils.c :: asoc_simple_canonicalize_platform()
+ */
+ dai_link->cpus = &dai_props->cpus;
+ dai_link->num_cpus = 1;
+ dai_link->codecs = &dai_props->codecs;
+ dai_link->num_codecs = 1;
+ dai_link->platforms = &dai_props->platforms;
+ dai_link->num_platforms = 1;
+
+ priv->dai_props = dai_props;
+ priv->dai_link = dai_link;
+ priv->dais = dais;
+ priv->codec_conf = cconf;
+
+ card->dai_link = priv->dai_link;
+ card->num_links = 1;
+ card->codec_conf = cconf;
+ card->num_configs = 0;
+
+ return 0;
+}
+
+int asoc_simple_parse_widgets(struct snd_soc_card *card, char *prefix)
+{
+ struct device_node *node = card->dev->of_node;
+ char prop[128];
+
+ if (!prefix)
+ prefix = "";
+
+ snprintf(prop, sizeof(prop), "%s%s", prefix, "widgets");
+
+ if (of_property_read_bool(node, prop))
+ return snd_soc_of_parse_audio_simple_widgets(card, prop);
+
+ /* no widgets is not error */
+ return 0;
+}
+
+int asoc_simple_parse_routing(struct snd_soc_card *card, char *prefix)
+{
+ struct device_node *node = card->dev->of_node;
+ char prop[128];
+
+ if (!prefix)
+ prefix = "";
+
+ snprintf(prop, sizeof(prop), "%s%s", prefix, "routing");
+
+ if (!of_property_read_bool(node, prop))
+ return 0;
+
+ return snd_soc_of_parse_audio_routing(card, prop);
+}
+
+int asoc_simple_parse_pin_switches(struct snd_soc_card *card, char *prefix)
+{
+ const unsigned int nb_controls_max = 16;
+ const char **strings, *control_name;
+ struct snd_kcontrol_new *controls;
+ struct device *dev = card->dev;
+ unsigned int i, nb_controls;
+ char prop[128];
+ int ret;
+
+ if (!prefix)
+ prefix = "";
+
+ snprintf(prop, sizeof(prop), "%s%s", prefix, "pin-switches");
+
+ if (!of_property_read_bool(dev->of_node, prop))
+ return 0;
+
+ strings = devm_kcalloc(dev, nb_controls_max,
+ sizeof(*strings), GFP_KERNEL);
+ if (!strings)
+ return -ENOMEM;
+
+ ret = of_property_read_string_array(dev->of_node, prop,
+ strings, nb_controls_max);
+ if (ret < 0)
+ return ret;
+
+ nb_controls = (unsigned int)ret;
+
+ controls = devm_kcalloc(dev, nb_controls,
+ sizeof(*controls), GFP_KERNEL);
+ if (!controls)
+ return -ENOMEM;
+
+ for (i = 0; i < nb_controls; i++) {
+ control_name = devm_kasprintf(dev, GFP_KERNEL,
+ "%s Switch", strings[i]);
+ if (!control_name)
+ return -ENOMEM;
+
+ controls[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ controls[i].name = control_name;
+ controls[i].info = snd_soc_dapm_info_pin_switch;
+ controls[i].get = snd_soc_dapm_get_pin_switch;
+ controls[i].put = snd_soc_dapm_put_pin_switch;
+ controls[i].private_value = (unsigned long)strings[i];
+ }
+
+ card->controls = controls;
+ card->num_controls = nb_controls;
+
+ return 0;
+}
+
+int asoc_simple_parse_daifmt(struct device_node *node,
+ struct device_node *codec,
+ char *prefix,
+ unsigned int *retfmt)
+{
+ struct device_node *bitclkmaster = NULL;
+ struct device_node *framemaster = NULL;
+ unsigned int daifmt;
+
+ daifmt = snd_soc_daifmt_parse_format(node, prefix);
+
+ snd_soc_daifmt_parse_clock_provider_as_phandle(node, prefix, &bitclkmaster, &framemaster);
+ if (!bitclkmaster && !framemaster) {
+ /*
+ * No dai-link level and master setting was not found from
+ * sound node level, revert back to legacy DT parsing and
+ * take the settings from codec node.
+ */
+ SND_LOG_DEBUG(HLOG, "Revert to legacy daifmt parsing\n");
+
+ daifmt |= snd_soc_daifmt_parse_clock_provider_as_flag(codec, NULL);
+ } else {
+ daifmt |= snd_soc_daifmt_clock_provider_from_bitmap(
+ ((codec == bitclkmaster) << 4) | (codec == framemaster));
+ }
+
+ of_node_put(bitclkmaster);
+ of_node_put(framemaster);
+
+ *retfmt = daifmt;
+
+ return 0;
+}
+
+int asoc_simple_parse_daistream(struct device_node *node, char *prefix,
+ struct snd_soc_dai_link *dai_link)
+{
+ char prop[128];
+
+ if (!prefix)
+ prefix = "";
+
+ /* check "[prefix]playback-only" */
+ snprintf(prop, sizeof(prop), "%splayback-only", prefix);
+ if (of_property_read_bool(node, prop))
+ dai_link->playback_only = 1;
+
+ /* check "[prefix]capture-only" */
+ snprintf(prop, sizeof(prop), "%scapture-only", prefix);
+ if (of_property_read_bool(node, prop))
+ dai_link->capture_only = 1;
+
+ return 0;
+}
+
+int asoc_simple_parse_tdm_slot(struct device_node *node, char *prefix,
+ struct asoc_simple_dai *dais)
+{
+ int ret;
+ char prop[128];
+ unsigned int val;
+
+ if (!prefix)
+ prefix = "";
+
+ snprintf(prop, sizeof(prop), "%sslot-num", prefix);
+ ret = of_property_read_u32(node, prop, &val);
+ if (!ret)
+ dais->slots = val;
+
+ snprintf(prop, sizeof(prop), "%sslot-width", prefix);
+ ret = of_property_read_u32(node, prop, &val);
+ if (!ret)
+ dais->slot_width = val;
+
+ return 0;
+}
+
+int asoc_simple_parse_tdm_clk(struct device_node *cpu,
+ struct device_node *codec,
+ char *prefix,
+ struct simple_dai_props *dai_props)
+{
+ int ret;
+ char prop[128];
+ unsigned int val;
+
+ if (!prefix)
+ prefix = "";
+
+ snprintf(prop, sizeof(prop), "%spll-fs", prefix);
+ ret = of_property_read_u32(cpu, prop, &val);
+ if (ret)
+ dai_props->cpu_pll_fs = 1; /* default sysclk 24.576 or 22.5792MHz * 1 */
+ else
+ dai_props->cpu_pll_fs = val;
+
+ ret = of_property_read_u32(codec, prop, &val);
+ if (ret)
+ dai_props->codec_pll_fs = 1; /* default sysclk 24.576 or 22.5792MHz * 1 */
+ else
+ dai_props->codec_pll_fs = val;
+
+ snprintf(prop, sizeof(prop), "%smclk-fp", prefix);
+ dai_props->mclk_fp = of_property_read_bool(cpu, prop);
+
+ snprintf(prop, sizeof(prop), "%smclk-fs", prefix);
+ ret = of_property_read_u32(cpu, prop, &val);
+ if (ret)
+ dai_props->mclk_fs = 0; /* default mclk 0Hz(un output) */
+ else
+ dai_props->mclk_fs = val;
+
+ return 0;
+}
+
+int asoc_simple_parse_card_name(struct snd_soc_card *card,
+ char *prefix)
+{
+ int ret;
+
+ if (!prefix)
+ prefix = "";
+
+ /* Parse the card name from DT */
+ ret = snd_soc_of_parse_card_name(card, "label");
+ if (ret < 0 || !card->name) {
+ char prop[128];
+
+ snprintf(prop, sizeof(prop), "%sname", prefix);
+ ret = snd_soc_of_parse_card_name(card, prop);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (!card->name && card->dai_link)
+ card->name = card->dai_link->name;
+
+ return 0;
+}
+
+int asoc_simple_parse_dai(struct device_node *node,
+ struct snd_soc_dai_link_component *dlc,
+ const char *list_name, const char *cells_name,
+ int *is_single_link)
+{
+ struct of_phandle_args args;
+ int ret;
+
+ if (!node)
+ return 0;
+
+ /*
+ * Get node via "sound-dai = <&phandle port>"
+ * it will be used as xxx_of_node on soc_bind_dai_link()
+ */
+ ret = of_parse_phandle_with_args(node, list_name, cells_name, 0, &args);
+ if (ret)
+ return ret;
+
+ /*
+ * FIXME
+ *
+ * Here, dlc->dai_name is pointer to CPU/Codec DAI name.
+ * If user unbinded CPU or Codec driver, but not for Sound Card,
+ * dlc->dai_name is keeping unbinded CPU or Codec
+ * driver's pointer.
+ *
+ * If user re-bind CPU or Codec driver again, ALSA SoC will try
+ * to rebind Card via snd_soc_try_rebind_card(), but because of
+ * above reason, it might can't bind Sound Card.
+ * Because Sound Card is pointing to released dai_name pointer.
+ *
+ * To avoid this rebind Card issue,
+ * 1) It needs to alloc memory to keep dai_name eventhough
+ * CPU or Codec driver was unbinded, or
+ * 2) user need to rebind Sound Card everytime
+ * if he unbinded CPU or Codec.
+ */
+ ret = snd_soc_of_get_dai_name(node, &dlc->dai_name, 0);
+ if (ret < 0)
+ return ret;
+
+ dlc->of_node = args.np;
+
+ if (is_single_link)
+ *is_single_link = !args.args_count;
+
+ return 0;
+}
+
+int asoc_simple_set_dailink_name(struct device *dev,
+ struct snd_soc_dai_link *dai_link,
+ const char *fmt, ...)
+{
+ va_list ap;
+ char *name = NULL;
+ int ret = -ENOMEM;
+
+ va_start(ap, fmt);
+ name = devm_kvasprintf(dev, GFP_KERNEL, fmt, ap);
+ va_end(ap);
+
+ if (name) {
+ ret = 0;
+
+ dai_link->name = name;
+ dai_link->stream_name = name;
+ }
+
+ return ret;
+}
+
+void asoc_simple_canonicalize_platform(struct snd_soc_dai_link *dai_link)
+{
+ /* Assumes platform == cpu */
+ if (!dai_link->platforms->of_node)
+ dai_link->platforms->of_node = dai_link->cpus->of_node;
+
+ /*
+ * DPCM BE can be no platform.
+ * Alloced memory will be waste, but not leak.
+ */
+ if (!dai_link->platforms->of_node)
+ dai_link->num_platforms = 0;
+}
+
+void asoc_simple_canonicalize_cpu(struct snd_soc_dai_link *dai_link,
+ int is_single_links)
+{
+ /*
+ * In soc_bind_dai_link() will check cpu name after
+ * of_node matching if dai_link has cpu_dai_name.
+ * but, it will never match if name was created by
+ * fmt_single_name() remove cpu_dai_name if cpu_args
+ * was 0. See:
+ * fmt_single_name()
+ * fmt_multiple_name()
+ */
+ if (is_single_links)
+ dai_link->cpus->dai_name = NULL;
+}
+
+MODULE_AUTHOR("Dby@allwinnertech.com");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("sunxi soundcard machine utils");
diff --git a/sound/soc/sunxi_v2/snd_sunxi_mach_utils.h b/sound/soc/sunxi_v2/snd_sunxi_mach_utils.h
new file mode 100644
index 000000000000..a9cffa0d859b
--- /dev/null
+++ b/sound/soc/sunxi_v2/snd_sunxi_mach_utils.h
@@ -0,0 +1,116 @@
+/* sound\soc\sunxi\snd_sunxi_mach_utils.h
+ * (C) Copyright 2021-2025
+ * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
+ * Dby <dby@allwinnertech.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#ifndef __SND_SUNXI_MACH_UTILS_H
+#define __SND_SUNXI_MACH_UTILS_H
+
+#define simple_priv_to_card(priv) (&(priv)->snd_card)
+#define simple_priv_to_props(priv, i) ((priv)->dai_props + (i))
+#define simple_priv_to_dev(priv) (simple_priv_to_card(priv)->dev)
+#define simple_priv_to_link(priv, i) (simple_priv_to_card(priv)->dai_link + (i))
+
+#define asoc_simple_parse_cpu(node, dai_link, \
+ list_name, cells_name, is_single_link) \
+ asoc_simple_parse_dai(node, dai_link->cpus, \
+ list_name, cells_name, is_single_link)
+
+#define asoc_simple_parse_codec(node, dai_link, \
+ list_name, cells_name) \
+ asoc_simple_parse_dai(node, dai_link->codecs, \
+ list_name, cells_name, NULL)
+
+#define asoc_simple_parse_platform(node, dai_link, \
+ list_name, cells_name) \
+ asoc_simple_parse_dai(node, dai_link->platforms, \
+ list_name, cells_name, NULL)
+
+struct asoc_simple_dai {
+ const char *name;
+ unsigned int sysclk;
+ int clk_direction;
+ int slots;
+ int slot_width;
+ unsigned int tx_slot_mask;
+ unsigned int rx_slot_mask;
+ struct clk *clk;
+};
+
+struct asoc_simple_data {
+ u32 convert_rate;
+ u32 convert_channels;
+};
+
+struct asoc_simple_jack {
+ struct snd_soc_jack jack;
+ struct snd_soc_jack_pin pin;
+ struct snd_soc_jack_gpio gpio;
+};
+
+struct asoc_simple_priv {
+ struct snd_soc_card snd_card;
+ struct simple_dai_props {
+ struct asoc_simple_dai *cpu_dai;
+ struct asoc_simple_dai *codec_dai;
+ struct snd_soc_dai_link_component cpus; /* single cpu */
+ struct snd_soc_dai_link_component codecs; /* single codec */
+ struct snd_soc_dai_link_component platforms;
+ struct asoc_simple_data adata;
+ struct snd_soc_codec_conf *codec_conf;
+ bool mclk_fp;
+ unsigned int mclk_fs;
+ unsigned int cpu_pll_fs;
+ unsigned int codec_pll_fs;
+ } *dai_props;
+ struct asoc_simple_jack hp_jack;
+ struct asoc_simple_jack mic_jack;
+ struct snd_soc_dai_link *dai_link;
+ struct asoc_simple_dai *dais;
+ struct snd_soc_codec_conf *codec_conf;
+ struct gpio_desc *pa_gpio;
+};
+
+int asoc_simple_clean_reference(struct snd_soc_card *card);
+int asoc_simple_init_priv(struct asoc_simple_priv *priv);
+
+int asoc_simple_parse_widgets(struct snd_soc_card *card, char *prefix);
+int asoc_simple_parse_routing(struct snd_soc_card *card, char *prefix);
+int asoc_simple_parse_pin_switches(struct snd_soc_card *card, char *prefix);
+
+int asoc_simple_parse_daistream(struct device_node *node,
+ char *prefix,
+ struct snd_soc_dai_link *dai_link);
+int asoc_simple_parse_daifmt(struct device_node *node,
+ struct device_node *codec,
+ char *prefix,
+ unsigned int *retfmt);
+int asoc_simple_parse_tdm_slot(struct device_node *node,
+ char *prefix,
+ struct asoc_simple_dai *dais);
+int asoc_simple_parse_tdm_clk(struct device_node *cpu,
+ struct device_node *codec,
+ char *prefix,
+ struct simple_dai_props *dai_props);
+
+int asoc_simple_parse_card_name(struct snd_soc_card *card, char *prefix);
+int asoc_simple_parse_dai(struct device_node *node,
+ struct snd_soc_dai_link_component *dlc,
+ const char *list_name,
+ const char *cells_name,
+ int *is_single_link);
+
+int asoc_simple_set_dailink_name(struct device *dev,
+ struct snd_soc_dai_link *dai_link,
+ const char *fmt, ...);
+void asoc_simple_canonicalize_platform(struct snd_soc_dai_link *dai_link);
+void asoc_simple_canonicalize_cpu(struct snd_soc_dai_link *dai_link,
+ int is_single_links);
+
+#endif /* __SND_SUNXI_MACH_UTILS_H */
--
2.35.3
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