Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

11 files changed, 4898 insertions, 0 deletions

diff --git a/sound/soc/uniphier/Kconfig b/sound/soc/uniphier/Kconfig
new file mode 100644
index 000000000..ddfa6424c
--- /dev/null
+++ b/sound/soc/uniphier/Kconfig
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: GPL-2.0
+config SND_SOC_UNIPHIER
+	tristate "ASoC support for UniPhier"
+	depends on (ARCH_UNIPHIER || COMPILE_TEST)
+	help
+	  Say Y or M if you want to add support for the Socionext
+	  UniPhier SoC audio interfaces. You will also need to select the
+	  audio interfaces to support below.
+	  If unsure select "N".
+
+config SND_SOC_UNIPHIER_AIO
+	tristate "UniPhier AIO DAI Driver"
+	select REGMAP_MMIO
+	select SND_SOC_COMPRESS
+	depends on SND_SOC_UNIPHIER
+	help
+	  This adds ASoC driver support for Socionext UniPhier
+	  'AIO' Audio Input/Output subsystem.
+	  Select Y if you use such device.
+	  If unsure select "N".
+
+config SND_SOC_UNIPHIER_LD11
+	tristate "UniPhier LD11/LD20 Device Driver"
+	depends on SND_SOC_UNIPHIER
+	select SND_SOC_UNIPHIER_AIO
+	help
+	  This adds ASoC driver for Socionext UniPhier LD11/LD20
+	  input and output that can be used with other codecs.
+	  Select Y if you use such device.
+	  If unsure select "N".
+
+config SND_SOC_UNIPHIER_PXS2
+	tristate "UniPhier PXs2 Device Driver"
+	depends on SND_SOC_UNIPHIER
+	select SND_SOC_UNIPHIER_AIO
+	help
+	  This adds ASoC driver for Socionext UniPhier PXs2
+	  input and output that can be used with other codecs.
+	  Select Y if you use such device.
+	  If unsure select "N".
+
+config SND_SOC_UNIPHIER_EVEA_CODEC
+	tristate "UniPhier SoC internal audio codec"
+	depends on SND_SOC_UNIPHIER
+	select REGMAP_MMIO
+	help
+	  This adds Codec driver for Socionext UniPhier LD11/20 SoC
+	  internal DAC. This driver supports Line In / Out and HeadPhone.
+	  Select Y if you use such device.
+	  If unsure select "N".
diff --git a/sound/soc/uniphier/Makefile b/sound/soc/uniphier/Makefile
new file mode 100644
index 000000000..88169395f
--- /dev/null
+++ b/sound/soc/uniphier/Makefile
@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: GPL-2.0
+snd-soc-uniphier-aio-cpu-objs := aio-core.o aio-dma.o aio-cpu.o aio-compress.o
+snd-soc-uniphier-aio-ld11-objs := aio-ld11.o
+snd-soc-uniphier-aio-pxs2-objs := aio-pxs2.o
+
+obj-$(CONFIG_SND_SOC_UNIPHIER_AIO) += snd-soc-uniphier-aio-cpu.o
+obj-$(CONFIG_SND_SOC_UNIPHIER_LD11) += snd-soc-uniphier-aio-ld11.o
+obj-$(CONFIG_SND_SOC_UNIPHIER_PXS2) += snd-soc-uniphier-aio-pxs2.o
+
+snd-soc-uniphier-evea-objs := evea.o
+obj-$(CONFIG_SND_SOC_UNIPHIER_EVEA_CODEC) += snd-soc-uniphier-evea.o
diff --git a/sound/soc/uniphier/aio-compress.c b/sound/soc/uniphier/aio-compress.c
new file mode 100644
index 000000000..17f773ac5
--- /dev/null
+++ b/sound/soc/uniphier/aio-compress.c
@@ -0,0 +1,425 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Socionext UniPhier AIO Compress Audio driver.
+//
+// Copyright (c) 2017-2018 Socionext Inc.
+
+#include <linux/bitfield.h>
+#include <linux/circ_buf.h>
+#include <linux/dma-mapping.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+
+#include "aio.h"
+
+static int uniphier_aio_compr_prepare(struct snd_compr_stream *cstream);
+static int uniphier_aio_compr_hw_free(struct snd_compr_stream *cstream);
+
+static int uniphier_aio_comprdma_new(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_compr *compr = rtd->compr;
+	struct device *dev = compr->card->dev;
+	struct uniphier_aio *aio = uniphier_priv(rtd->cpu_dai);
+	struct uniphier_aio_sub *sub = &aio->sub[compr->direction];
+	size_t size = AUD_RING_SIZE;
+	int dma_dir = DMA_FROM_DEVICE, ret;
+
+	ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(33));
+	if (ret)
+		return ret;
+
+	sub->compr_area = kzalloc(size, GFP_KERNEL);
+	if (!sub->compr_area)
+		return -ENOMEM;
+
+	if (sub->swm->dir == PORT_DIR_OUTPUT)
+		dma_dir = DMA_TO_DEVICE;
+
+	sub->compr_addr = dma_map_single(dev, sub->compr_area, size, dma_dir);
+	if (dma_mapping_error(dev, sub->compr_addr)) {
+		kfree(sub->compr_area);
+		sub->compr_area = NULL;
+
+		return -ENOMEM;
+	}
+
+	sub->compr_bytes = size;
+
+	return 0;
+}
+
+static int uniphier_aio_comprdma_free(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_compr *compr = rtd->compr;
+	struct device *dev = compr->card->dev;
+	struct uniphier_aio *aio = uniphier_priv(rtd->cpu_dai);
+	struct uniphier_aio_sub *sub = &aio->sub[compr->direction];
+	int dma_dir = DMA_FROM_DEVICE;
+
+	if (sub->swm->dir == PORT_DIR_OUTPUT)
+		dma_dir = DMA_TO_DEVICE;
+
+	dma_unmap_single(dev, sub->compr_addr, sub->compr_bytes, dma_dir);
+	kfree(sub->compr_area);
+	sub->compr_area = NULL;
+
+	return 0;
+}
+
+static int uniphier_aio_compr_open(struct snd_compr_stream *cstream)
+{
+	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
+	struct uniphier_aio *aio = uniphier_priv(rtd->cpu_dai);
+	struct uniphier_aio_sub *sub = &aio->sub[cstream->direction];
+	int ret;
+
+	if (sub->cstream)
+		return -EBUSY;
+
+	sub->cstream = cstream;
+	sub->pass_through = 1;
+	sub->use_mmap = false;
+
+	ret = uniphier_aio_comprdma_new(rtd);
+	if (ret)
+		return ret;
+
+	ret = aio_init(sub);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static int uniphier_aio_compr_free(struct snd_compr_stream *cstream)
+{
+	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
+	struct uniphier_aio *aio = uniphier_priv(rtd->cpu_dai);
+	struct uniphier_aio_sub *sub = &aio->sub[cstream->direction];
+	int ret;
+
+	ret = uniphier_aio_compr_hw_free(cstream);
+	if (ret)
+		return ret;
+	ret = uniphier_aio_comprdma_free(rtd);
+	if (ret)
+		return ret;
+
+	sub->cstream = NULL;
+
+	return 0;
+}
+
+static int uniphier_aio_compr_get_params(struct snd_compr_stream *cstream,
+					 struct snd_codec *params)
+{
+	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
+	struct uniphier_aio *aio = uniphier_priv(rtd->cpu_dai);
+	struct uniphier_aio_sub *sub = &aio->sub[cstream->direction];
+
+	*params = sub->cparams.codec;
+
+	return 0;
+}
+
+static int uniphier_aio_compr_set_params(struct snd_compr_stream *cstream,
+					 struct snd_compr_params *params)
+{
+	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
+	struct uniphier_aio *aio = uniphier_priv(rtd->cpu_dai);
+	struct uniphier_aio_sub *sub = &aio->sub[cstream->direction];
+	struct device *dev = &aio->chip->pdev->dev;
+	int ret;
+
+	if (params->codec.id != SND_AUDIOCODEC_IEC61937) {
+		dev_err(dev, "Codec ID is not supported(%d)\n",
+			params->codec.id);
+		return -EINVAL;
+	}
+	if (params->codec.profile != SND_AUDIOPROFILE_IEC61937_SPDIF) {
+		dev_err(dev, "Codec profile is not supported(%d)\n",
+			params->codec.profile);
+		return -EINVAL;
+	}
+
+	/* IEC frame type will be changed after received valid data */
+	sub->iec_pc = IEC61937_PC_AAC;
+
+	sub->cparams = *params;
+	sub->setting = 1;
+
+	aio_port_reset(sub);
+	aio_src_reset(sub);
+
+	ret = uniphier_aio_compr_prepare(cstream);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static int uniphier_aio_compr_hw_free(struct snd_compr_stream *cstream)
+{
+	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
+	struct uniphier_aio *aio = uniphier_priv(rtd->cpu_dai);
+	struct uniphier_aio_sub *sub = &aio->sub[cstream->direction];
+
+	sub->setting = 0;
+
+	return 0;
+}
+
+static int uniphier_aio_compr_prepare(struct snd_compr_stream *cstream)
+{
+	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
+	struct snd_compr_runtime *runtime = cstream->runtime;
+	struct uniphier_aio *aio = uniphier_priv(rtd->cpu_dai);
+	struct uniphier_aio_sub *sub = &aio->sub[cstream->direction];
+	int bytes = runtime->fragment_size;
+	unsigned long flags;
+	int ret;
+
+	ret = aiodma_ch_set_param(sub);
+	if (ret)
+		return ret;
+
+	spin_lock_irqsave(&sub->lock, flags);
+	ret = aiodma_rb_set_buffer(sub, sub->compr_addr,
+				   sub->compr_addr + sub->compr_bytes,
+				   bytes);
+	spin_unlock_irqrestore(&sub->lock, flags);
+	if (ret)
+		return ret;
+
+	ret = aio_port_set_param(sub, sub->pass_through, &sub->params);
+	if (ret)
+		return ret;
+	ret = aio_oport_set_stream_type(sub, sub->iec_pc);
+	if (ret)
+		return ret;
+	aio_port_set_enable(sub, 1);
+
+	ret = aio_if_set_param(sub, sub->pass_through);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static int uniphier_aio_compr_trigger(struct snd_compr_stream *cstream,
+				      int cmd)
+{
+	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
+	struct snd_compr_runtime *runtime = cstream->runtime;
+	struct uniphier_aio *aio = uniphier_priv(rtd->cpu_dai);
+	struct uniphier_aio_sub *sub = &aio->sub[cstream->direction];
+	struct device *dev = &aio->chip->pdev->dev;
+	int bytes = runtime->fragment_size, ret = 0;
+	unsigned long flags;
+
+	spin_lock_irqsave(&sub->lock, flags);
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+		aiodma_rb_sync(sub, sub->compr_addr, sub->compr_bytes, bytes);
+		aiodma_ch_set_enable(sub, 1);
+		sub->running = 1;
+
+		break;
+	case SNDRV_PCM_TRIGGER_STOP:
+		sub->running = 0;
+		aiodma_ch_set_enable(sub, 0);
+
+		break;
+	default:
+		dev_warn(dev, "Unknown trigger(%d)\n", cmd);
+		ret = -EINVAL;
+	}
+	spin_unlock_irqrestore(&sub->lock, flags);
+
+	return ret;
+}
+
+static int uniphier_aio_compr_pointer(struct snd_compr_stream *cstream,
+				      struct snd_compr_tstamp *tstamp)
+{
+	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
+	struct snd_compr_runtime *runtime = cstream->runtime;
+	struct uniphier_aio *aio = uniphier_priv(rtd->cpu_dai);
+	struct uniphier_aio_sub *sub = &aio->sub[cstream->direction];
+	int bytes = runtime->fragment_size;
+	unsigned long flags;
+	u32 pos;
+
+	spin_lock_irqsave(&sub->lock, flags);
+
+	aiodma_rb_sync(sub, sub->compr_addr, sub->compr_bytes, bytes);
+
+	if (sub->swm->dir == PORT_DIR_OUTPUT) {
+		pos = sub->rd_offs;
+		/* Size of AIO output format is double of IEC61937 */
+		tstamp->copied_total = sub->rd_total / 2;
+	} else {
+		pos = sub->wr_offs;
+		tstamp->copied_total = sub->rd_total;
+	}
+	tstamp->byte_offset = pos;
+
+	spin_unlock_irqrestore(&sub->lock, flags);
+
+	return 0;
+}
+
+static int aio_compr_send_to_hw(struct uniphier_aio_sub *sub,
+				char __user *buf, size_t dstsize)
+{
+	u32 __user *srcbuf = (u32 __user *)buf;
+	u32 *dstbuf = (u32 *)(sub->compr_area + sub->wr_offs);
+	int src = 0, dst = 0, ret;
+	u32 frm, frm_a, frm_b;
+
+	while (dstsize > 0) {
+		ret = get_user(frm, srcbuf + src);
+		if (ret)
+			return ret;
+		src++;
+
+		frm_a = frm & 0xffff;
+		frm_b = (frm >> 16) & 0xffff;
+
+		if (frm == IEC61937_HEADER_SIGN) {
+			frm_a |= 0x01000000;
+
+			/* Next data is Pc and Pd */
+			sub->iec_header = true;
+		} else {
+			u16 pc = be16_to_cpu((__be16)frm_a);
+
+			if (sub->iec_header && sub->iec_pc != pc) {
+				/* Force overwrite IEC frame type */
+				sub->iec_pc = pc;
+				ret = aio_oport_set_stream_type(sub, pc);
+				if (ret)
+					return ret;
+			}
+			sub->iec_header = false;
+		}
+		dstbuf[dst++] = frm_a;
+		dstbuf[dst++] = frm_b;
+
+		dstsize -= sizeof(u32) * 2;
+	}
+
+	return 0;
+}
+
+static int uniphier_aio_compr_copy(struct snd_compr_stream *cstream,
+				   char __user *buf, size_t count)
+{
+	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
+	struct snd_compr_runtime *runtime = cstream->runtime;
+	struct device *carddev = rtd->compr->card->dev;
+	struct uniphier_aio *aio = uniphier_priv(rtd->cpu_dai);
+	struct uniphier_aio_sub *sub = &aio->sub[cstream->direction];
+	size_t cnt = min_t(size_t, count, aio_rb_space_to_end(sub) / 2);
+	int bytes = runtime->fragment_size;
+	unsigned long flags;
+	size_t s;
+	int ret;
+
+	if (cnt < sizeof(u32))
+		return 0;
+
+	if (sub->swm->dir == PORT_DIR_OUTPUT) {
+		dma_addr_t dmapos = sub->compr_addr + sub->wr_offs;
+
+		/* Size of AIO output format is double of IEC61937 */
+		s = cnt * 2;
+
+		dma_sync_single_for_cpu(carddev, dmapos, s, DMA_TO_DEVICE);
+		ret = aio_compr_send_to_hw(sub, buf, s);
+		dma_sync_single_for_device(carddev, dmapos, s, DMA_TO_DEVICE);
+	} else {
+		dma_addr_t dmapos = sub->compr_addr + sub->rd_offs;
+
+		s = cnt;
+
+		dma_sync_single_for_cpu(carddev, dmapos, s, DMA_FROM_DEVICE);
+		ret = copy_to_user(buf, sub->compr_area + sub->rd_offs, s);
+		dma_sync_single_for_device(carddev, dmapos, s, DMA_FROM_DEVICE);
+	}
+	if (ret)
+		return -EFAULT;
+
+	spin_lock_irqsave(&sub->lock, flags);
+
+	sub->threshold = 2 * bytes;
+	aiodma_rb_set_threshold(sub, sub->compr_bytes, 2 * bytes);
+
+	if (sub->swm->dir == PORT_DIR_OUTPUT) {
+		sub->wr_offs += s;
+		if (sub->wr_offs >= sub->compr_bytes)
+			sub->wr_offs -= sub->compr_bytes;
+	} else {
+		sub->rd_offs += s;
+		if (sub->rd_offs >= sub->compr_bytes)
+			sub->rd_offs -= sub->compr_bytes;
+	}
+	aiodma_rb_sync(sub, sub->compr_addr, sub->compr_bytes, bytes);
+
+	spin_unlock_irqrestore(&sub->lock, flags);
+
+	return cnt;
+}
+
+static int uniphier_aio_compr_get_caps(struct snd_compr_stream *cstream,
+				       struct snd_compr_caps *caps)
+{
+	caps->num_codecs = 1;
+	caps->min_fragment_size = AUD_MIN_FRAGMENT_SIZE;
+	caps->max_fragment_size = AUD_MAX_FRAGMENT_SIZE;
+	caps->min_fragments = AUD_MIN_FRAGMENT;
+	caps->max_fragments = AUD_MAX_FRAGMENT;
+	caps->codecs[0] = SND_AUDIOCODEC_IEC61937;
+
+	return 0;
+}
+
+static const struct snd_compr_codec_caps caps_iec = {
+	.num_descriptors = 1,
+	.descriptor[0].max_ch = 8,
+	.descriptor[0].num_sample_rates = 0,
+	.descriptor[0].num_bitrates = 0,
+	.descriptor[0].profiles = SND_AUDIOPROFILE_IEC61937_SPDIF,
+	.descriptor[0].modes = SND_AUDIOMODE_IEC_AC3 |
+				SND_AUDIOMODE_IEC_MPEG1 |
+				SND_AUDIOMODE_IEC_MP3 |
+				SND_AUDIOMODE_IEC_DTS,
+	.descriptor[0].formats = 0,
+};
+
+static int uniphier_aio_compr_get_codec_caps(struct snd_compr_stream *stream,
+					     struct snd_compr_codec_caps *codec)
+{
+	if (codec->codec == SND_AUDIOCODEC_IEC61937)
+		*codec = caps_iec;
+	else
+		return -EINVAL;
+
+	return 0;
+}
+
+const struct snd_compr_ops uniphier_aio_compr_ops = {
+	.open           = uniphier_aio_compr_open,
+	.free           = uniphier_aio_compr_free,
+	.get_params     = uniphier_aio_compr_get_params,
+	.set_params     = uniphier_aio_compr_set_params,
+	.trigger        = uniphier_aio_compr_trigger,
+	.pointer        = uniphier_aio_compr_pointer,
+	.copy           = uniphier_aio_compr_copy,
+	.get_caps       = uniphier_aio_compr_get_caps,
+	.get_codec_caps = uniphier_aio_compr_get_codec_caps,
+};
diff --git a/sound/soc/uniphier/aio-core.c b/sound/soc/uniphier/aio-core.c
new file mode 100644
index 000000000..9bcba06ba
--- /dev/null
+++ b/sound/soc/uniphier/aio-core.c
@@ -0,0 +1,1251 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Socionext UniPhier AIO ALSA common driver.
+//
+// Copyright (c) 2016-2018 Socionext Inc.
+
+#include <linux/bitfield.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+
+#include "aio.h"
+#include "aio-reg.h"
+
+static u64 rb_cnt(u64 wr, u64 rd, u64 len)
+{
+	if (rd <= wr)
+		return wr - rd;
+	else
+		return len - (rd - wr);
+}
+
+static u64 rb_cnt_to_end(u64 wr, u64 rd, u64 len)
+{
+	if (rd <= wr)
+		return wr - rd;
+	else
+		return len - rd;
+}
+
+static u64 rb_space(u64 wr, u64 rd, u64 len)
+{
+	if (rd <= wr)
+		return len - (wr - rd) - 8;
+	else
+		return rd - wr - 8;
+}
+
+static u64 rb_space_to_end(u64 wr, u64 rd, u64 len)
+{
+	if (rd > wr)
+		return rd - wr - 8;
+	else if (rd > 0)
+		return len - wr;
+	else
+		return len - wr - 8;
+}
+
+u64 aio_rb_cnt(struct uniphier_aio_sub *sub)
+{
+	return rb_cnt(sub->wr_offs, sub->rd_offs, sub->compr_bytes);
+}
+
+u64 aio_rbt_cnt_to_end(struct uniphier_aio_sub *sub)
+{
+	return rb_cnt_to_end(sub->wr_offs, sub->rd_offs, sub->compr_bytes);
+}
+
+u64 aio_rb_space(struct uniphier_aio_sub *sub)
+{
+	return rb_space(sub->wr_offs, sub->rd_offs, sub->compr_bytes);
+}
+
+u64 aio_rb_space_to_end(struct uniphier_aio_sub *sub)
+{
+	return rb_space_to_end(sub->wr_offs, sub->rd_offs, sub->compr_bytes);
+}
+
+/**
+ * aio_iecout_set_enable - setup IEC output via SoC glue
+ * @chip: the AIO chip pointer
+ * @enable: false to stop the output, true to start
+ *
+ * Set enabled or disabled S/PDIF signal output to out of SoC via AOnIEC pins.
+ * This function need to call at driver startup.
+ *
+ * The regmap of SoC glue is specified by 'socionext,syscon' optional property
+ * of DT. This function has no effect if no property.
+ */
+void aio_iecout_set_enable(struct uniphier_aio_chip *chip, bool enable)
+{
+	struct regmap *r = chip->regmap_sg;
+
+	if (!r)
+		return;
+
+	regmap_write(r, SG_AOUTEN, (enable) ? ~0 : 0);
+}
+
+/**
+ * aio_chip_set_pll - set frequency to audio PLL
+ * @chip  : the AIO chip pointer
+ * @source: PLL
+ * @freq  : frequency in Hz, 0 is ignored
+ *
+ * Sets frequency of audio PLL. This function can be called anytime,
+ * but it takes time till PLL is locked.
+ *
+ * Return: Zero if successful, otherwise a negative value on error.
+ */
+int aio_chip_set_pll(struct uniphier_aio_chip *chip, int pll_id,
+		     unsigned int freq)
+{
+	struct device *dev = &chip->pdev->dev;
+	struct regmap *r = chip->regmap;
+	int shift;
+	u32 v;
+
+	/* Not change */
+	if (freq == 0)
+		return 0;
+
+	switch (pll_id) {
+	case AUD_PLL_A1:
+		shift = 0;
+		break;
+	case AUD_PLL_F1:
+		shift = 1;
+		break;
+	case AUD_PLL_A2:
+		shift = 2;
+		break;
+	case AUD_PLL_F2:
+		shift = 3;
+		break;
+	default:
+		dev_err(dev, "PLL(%d) not supported\n", pll_id);
+		return -EINVAL;
+	}
+
+	switch (freq) {
+	case 36864000:
+		v = A2APLLCTR1_APLLX_36MHZ;
+		break;
+	case 33868800:
+		v = A2APLLCTR1_APLLX_33MHZ;
+		break;
+	default:
+		dev_err(dev, "PLL frequency not supported(%d)\n", freq);
+		return -EINVAL;
+	}
+	chip->plls[pll_id].freq = freq;
+
+	regmap_update_bits(r, A2APLLCTR1, A2APLLCTR1_APLLX_MASK << shift,
+			   v << shift);
+
+	return 0;
+}
+
+/**
+ * aio_chip_init - initialize AIO whole settings
+ * @chip: the AIO chip pointer
+ *
+ * Sets AIO fixed and whole device settings to AIO.
+ * This function need to call once at driver startup.
+ *
+ * The register area that is changed by this function is shared by all
+ * modules of AIO. But there is not race condition since this function
+ * has always set the same initialize values.
+ */
+void aio_chip_init(struct uniphier_aio_chip *chip)
+{
+	struct regmap *r = chip->regmap;
+
+	regmap_update_bits(r, A2APLLCTR0,
+			   A2APLLCTR0_APLLXPOW_MASK,
+			   A2APLLCTR0_APLLXPOW_PWON);
+
+	regmap_update_bits(r, A2EXMCLKSEL0,
+			   A2EXMCLKSEL0_EXMCLK_MASK,
+			   A2EXMCLKSEL0_EXMCLK_OUTPUT);
+
+	regmap_update_bits(r, A2AIOINPUTSEL, A2AIOINPUTSEL_RXSEL_MASK,
+			   A2AIOINPUTSEL_RXSEL_PCMI1_HDMIRX1 |
+			   A2AIOINPUTSEL_RXSEL_PCMI2_SIF |
+			   A2AIOINPUTSEL_RXSEL_PCMI3_EVEA |
+			   A2AIOINPUTSEL_RXSEL_IECI1_HDMIRX1);
+
+	if (chip->chip_spec->addr_ext)
+		regmap_update_bits(r, CDA2D_TEST, CDA2D_TEST_DDR_MODE_MASK,
+				   CDA2D_TEST_DDR_MODE_EXTON0);
+	else
+		regmap_update_bits(r, CDA2D_TEST, CDA2D_TEST_DDR_MODE_MASK,
+				   CDA2D_TEST_DDR_MODE_EXTOFF1);
+}
+
+/**
+ * aio_init - initialize AIO substream
+ * @sub: the AIO substream pointer
+ *
+ * Sets fixed settings of each AIO substreams.
+ * This function need to call once at substream startup.
+ *
+ * Return: Zero if successful, otherwise a negative value on error.
+ */
+int aio_init(struct uniphier_aio_sub *sub)
+{
+	struct device *dev = &sub->aio->chip->pdev->dev;
+	struct regmap *r = sub->aio->chip->regmap;
+
+	regmap_write(r, A2RBNMAPCTR0(sub->swm->rb.hw),
+		     MAPCTR0_EN | sub->swm->rb.map);
+	regmap_write(r, A2CHNMAPCTR0(sub->swm->ch.hw),
+		     MAPCTR0_EN | sub->swm->ch.map);
+
+	switch (sub->swm->type) {
+	case PORT_TYPE_I2S:
+	case PORT_TYPE_SPDIF:
+	case PORT_TYPE_EVE:
+		if (sub->swm->dir == PORT_DIR_INPUT) {
+			regmap_write(r, A2IIFNMAPCTR0(sub->swm->iif.hw),
+				     MAPCTR0_EN | sub->swm->iif.map);
+			regmap_write(r, A2IPORTNMAPCTR0(sub->swm->iport.hw),
+				     MAPCTR0_EN | sub->swm->iport.map);
+		} else {
+			regmap_write(r, A2OIFNMAPCTR0(sub->swm->oif.hw),
+				     MAPCTR0_EN | sub->swm->oif.map);
+			regmap_write(r, A2OPORTNMAPCTR0(sub->swm->oport.hw),
+				     MAPCTR0_EN | sub->swm->oport.map);
+		}
+		break;
+	case PORT_TYPE_CONV:
+		regmap_write(r, A2OIFNMAPCTR0(sub->swm->oif.hw),
+			     MAPCTR0_EN | sub->swm->oif.map);
+		regmap_write(r, A2OPORTNMAPCTR0(sub->swm->oport.hw),
+			     MAPCTR0_EN | sub->swm->oport.map);
+		regmap_write(r, A2CHNMAPCTR0(sub->swm->och.hw),
+			     MAPCTR0_EN | sub->swm->och.map);
+		regmap_write(r, A2IIFNMAPCTR0(sub->swm->iif.hw),
+			     MAPCTR0_EN | sub->swm->iif.map);
+		break;
+	default:
+		dev_err(dev, "Unknown port type %d.\n", sub->swm->type);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+/**
+ * aio_port_reset - reset AIO port block
+ * @sub: the AIO substream pointer
+ *
+ * Resets the digital signal input/output port block of AIO.
+ */
+void aio_port_reset(struct uniphier_aio_sub *sub)
+{
+	struct regmap *r = sub->aio->chip->regmap;
+
+	if (sub->swm->dir == PORT_DIR_OUTPUT) {
+		regmap_write(r, AOUTRSTCTR0, BIT(sub->swm->oport.map));
+		regmap_write(r, AOUTRSTCTR1, BIT(sub->swm->oport.map));
+	} else {
+		regmap_update_bits(r, IPORTMXRSTCTR(sub->swm->iport.map),
+				   IPORTMXRSTCTR_RSTPI_MASK,
+				   IPORTMXRSTCTR_RSTPI_RESET);
+		regmap_update_bits(r, IPORTMXRSTCTR(sub->swm->iport.map),
+				   IPORTMXRSTCTR_RSTPI_MASK,
+				   IPORTMXRSTCTR_RSTPI_RELEASE);
+	}
+}
+
+/**
+ * aio_port_set_ch - set channels of LPCM
+ * @sub: the AIO substream pointer, PCM substream only
+ * @ch : count of channels
+ *
+ * Set suitable slot selecting to input/output port block of AIO.
+ *
+ * This function may return error if non-PCM substream.
+ *
+ * Return: Zero if successful, otherwise a negative value on error.
+ */
+static int aio_port_set_ch(struct uniphier_aio_sub *sub)
+{
+	struct regmap *r = sub->aio->chip->regmap;
+	u32 slotsel_2ch[] = {
+		0, 0, 0, 0, 0,
+	};
+	u32 slotsel_multi[] = {
+		OPORTMXTYSLOTCTR_SLOTSEL_SLOT0,
+		OPORTMXTYSLOTCTR_SLOTSEL_SLOT1,
+		OPORTMXTYSLOTCTR_SLOTSEL_SLOT2,
+		OPORTMXTYSLOTCTR_SLOTSEL_SLOT3,
+		OPORTMXTYSLOTCTR_SLOTSEL_SLOT4,
+	};
+	u32 mode, *slotsel;
+	int i;
+
+	switch (params_channels(&sub->params)) {
+	case 8:
+	case 6:
+		mode = OPORTMXTYSLOTCTR_MODE;
+		slotsel = slotsel_multi;
+		break;
+	case 2:
+		mode = 0;
+		slotsel = slotsel_2ch;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	for (i = 0; i < AUD_MAX_SLOTSEL; i++) {
+		regmap_update_bits(r, OPORTMXTYSLOTCTR(sub->swm->oport.map, i),
+				   OPORTMXTYSLOTCTR_MODE, mode);
+		regmap_update_bits(r, OPORTMXTYSLOTCTR(sub->swm->oport.map, i),
+				   OPORTMXTYSLOTCTR_SLOTSEL_MASK, slotsel[i]);
+	}
+
+	return 0;
+}
+
+/**
+ * aio_port_set_rate - set sampling rate of LPCM
+ * @sub: the AIO substream pointer, PCM substream only
+ * @rate: Sampling rate in Hz.
+ *
+ * Set suitable I2S format settings to input/output port block of AIO.
+ * Parameter is specified by hw_params().
+ *
+ * This function may return error if non-PCM substream.
+ *
+ * Return: Zero if successful, otherwise a negative value on error.
+ */
+static int aio_port_set_rate(struct uniphier_aio_sub *sub, int rate)
+{
+	struct regmap *r = sub->aio->chip->regmap;
+	struct device *dev = &sub->aio->chip->pdev->dev;
+	u32 v;
+
+	if (sub->swm->dir == PORT_DIR_OUTPUT) {
+		switch (rate) {
+		case 8000:
+			v = OPORTMXCTR1_FSSEL_8;
+			break;
+		case 11025:
+			v = OPORTMXCTR1_FSSEL_11_025;
+			break;
+		case 12000:
+			v = OPORTMXCTR1_FSSEL_12;
+			break;
+		case 16000:
+			v = OPORTMXCTR1_FSSEL_16;
+			break;
+		case 22050:
+			v = OPORTMXCTR1_FSSEL_22_05;
+			break;
+		case 24000:
+			v = OPORTMXCTR1_FSSEL_24;
+			break;
+		case 32000:
+			v = OPORTMXCTR1_FSSEL_32;
+			break;
+		case 44100:
+			v = OPORTMXCTR1_FSSEL_44_1;
+			break;
+		case 48000:
+			v = OPORTMXCTR1_FSSEL_48;
+			break;
+		case 88200:
+			v = OPORTMXCTR1_FSSEL_88_2;
+			break;
+		case 96000:
+			v = OPORTMXCTR1_FSSEL_96;
+			break;
+		case 176400:
+			v = OPORTMXCTR1_FSSEL_176_4;
+			break;
+		case 192000:
+			v = OPORTMXCTR1_FSSEL_192;
+			break;
+		default:
+			dev_err(dev, "Rate not supported(%d)\n", rate);
+			return -EINVAL;
+		}
+
+		regmap_update_bits(r, OPORTMXCTR1(sub->swm->oport.map),
+				   OPORTMXCTR1_FSSEL_MASK, v);
+	} else {
+		switch (rate) {
+		case 8000:
+			v = IPORTMXCTR1_FSSEL_8;
+			break;
+		case 11025:
+			v = IPORTMXCTR1_FSSEL_11_025;
+			break;
+		case 12000:
+			v = IPORTMXCTR1_FSSEL_12;
+			break;
+		case 16000:
+			v = IPORTMXCTR1_FSSEL_16;
+			break;
+		case 22050:
+			v = IPORTMXCTR1_FSSEL_22_05;
+			break;
+		case 24000:
+			v = IPORTMXCTR1_FSSEL_24;
+			break;
+		case 32000:
+			v = IPORTMXCTR1_FSSEL_32;
+			break;
+		case 44100:
+			v = IPORTMXCTR1_FSSEL_44_1;
+			break;
+		case 48000:
+			v = IPORTMXCTR1_FSSEL_48;
+			break;
+		case 88200:
+			v = IPORTMXCTR1_FSSEL_88_2;
+			break;
+		case 96000:
+			v = IPORTMXCTR1_FSSEL_96;
+			break;
+		case 176400:
+			v = IPORTMXCTR1_FSSEL_176_4;
+			break;
+		case 192000:
+			v = IPORTMXCTR1_FSSEL_192;
+			break;
+		default:
+			dev_err(dev, "Rate not supported(%d)\n", rate);
+			return -EINVAL;
+		}
+
+		regmap_update_bits(r, IPORTMXCTR1(sub->swm->iport.map),
+				   IPORTMXCTR1_FSSEL_MASK, v);
+	}
+
+	return 0;
+}
+
+/**
+ * aio_port_set_fmt - set format of I2S data
+ * @sub: the AIO substream pointer, PCM substream only
+ * This parameter has no effect if substream is I2S or PCM.
+ *
+ * Set suitable I2S format settings to input/output port block of AIO.
+ * Parameter is specified by set_fmt().
+ *
+ * This function may return error if non-PCM substream.
+ *
+ * Return: Zero if successful, otherwise a negative value on error.
+ */
+static int aio_port_set_fmt(struct uniphier_aio_sub *sub)
+{
+	struct regmap *r = sub->aio->chip->regmap;
+	struct device *dev = &sub->aio->chip->pdev->dev;
+	u32 v;
+
+	if (sub->swm->dir == PORT_DIR_OUTPUT) {
+		switch (sub->aio->fmt) {
+		case SND_SOC_DAIFMT_LEFT_J:
+			v = OPORTMXCTR1_I2SLRSEL_LEFT;
+			break;
+		case SND_SOC_DAIFMT_RIGHT_J:
+			v = OPORTMXCTR1_I2SLRSEL_RIGHT;
+			break;
+		case SND_SOC_DAIFMT_I2S:
+			v = OPORTMXCTR1_I2SLRSEL_I2S;
+			break;
+		default:
+			dev_err(dev, "Format is not supported(%d)\n",
+				sub->aio->fmt);
+			return -EINVAL;
+		}
+
+		v |= OPORTMXCTR1_OUTBITSEL_24;
+		regmap_update_bits(r, OPORTMXCTR1(sub->swm->oport.map),
+				   OPORTMXCTR1_I2SLRSEL_MASK |
+				   OPORTMXCTR1_OUTBITSEL_MASK, v);
+	} else {
+		switch (sub->aio->fmt) {
+		case SND_SOC_DAIFMT_LEFT_J:
+			v = IPORTMXCTR1_LRSEL_LEFT;
+			break;
+		case SND_SOC_DAIFMT_RIGHT_J:
+			v = IPORTMXCTR1_LRSEL_RIGHT;
+			break;
+		case SND_SOC_DAIFMT_I2S:
+			v = IPORTMXCTR1_LRSEL_I2S;
+			break;
+		default:
+			dev_err(dev, "Format is not supported(%d)\n",
+				sub->aio->fmt);
+			return -EINVAL;
+		}
+
+		v |= IPORTMXCTR1_OUTBITSEL_24 |
+			IPORTMXCTR1_CHSEL_ALL;
+		regmap_update_bits(r, IPORTMXCTR1(sub->swm->iport.map),
+				   IPORTMXCTR1_LRSEL_MASK |
+				   IPORTMXCTR1_OUTBITSEL_MASK |
+				   IPORTMXCTR1_CHSEL_MASK, v);
+	}
+
+	return 0;
+}
+
+/**
+ * aio_port_set_clk - set clock and divider of AIO port block
+ * @sub: the AIO substream pointer
+ *
+ * Set suitable PLL clock divider and relational settings to
+ * input/output port block of AIO. Parameters are specified by
+ * set_sysclk() and set_pll().
+ *
+ * Return: Zero if successful, otherwise a negative value on error.
+ */
+static int aio_port_set_clk(struct uniphier_aio_sub *sub)
+{
+	struct uniphier_aio_chip *chip = sub->aio->chip;
+	struct device *dev = &sub->aio->chip->pdev->dev;
+	struct regmap *r = sub->aio->chip->regmap;
+	u32 v_pll[] = {
+		OPORTMXCTR2_ACLKSEL_A1, OPORTMXCTR2_ACLKSEL_F1,
+		OPORTMXCTR2_ACLKSEL_A2, OPORTMXCTR2_ACLKSEL_F2,
+		OPORTMXCTR2_ACLKSEL_A2PLL,
+		OPORTMXCTR2_ACLKSEL_RX1,
+	};
+	u32 v_div[] = {
+		OPORTMXCTR2_DACCKSEL_1_2, OPORTMXCTR2_DACCKSEL_1_3,
+		OPORTMXCTR2_DACCKSEL_1_1, OPORTMXCTR2_DACCKSEL_2_3,
+	};
+	u32 v;
+
+	if (sub->swm->dir == PORT_DIR_OUTPUT) {
+		if (sub->swm->type == PORT_TYPE_I2S) {
+			if (sub->aio->pll_out >= ARRAY_SIZE(v_pll)) {
+				dev_err(dev, "PLL(%d) is invalid\n",
+					sub->aio->pll_out);
+				return -EINVAL;
+			}
+			if (sub->aio->plldiv >= ARRAY_SIZE(v_div)) {
+				dev_err(dev, "PLL divider(%d) is invalid\n",
+					sub->aio->plldiv);
+				return -EINVAL;
+			}
+
+			v = v_pll[sub->aio->pll_out] |
+				OPORTMXCTR2_MSSEL_MASTER |
+				v_div[sub->aio->plldiv];
+
+			switch (chip->plls[sub->aio->pll_out].freq) {
+			case 0:
+			case 36864000:
+			case 33868800:
+				v |= OPORTMXCTR2_EXTLSIFSSEL_36;
+				break;
+			default:
+				v |= OPORTMXCTR2_EXTLSIFSSEL_24;
+				break;
+			}
+		} else if (sub->swm->type == PORT_TYPE_EVE) {
+			v = OPORTMXCTR2_ACLKSEL_A2PLL |
+				OPORTMXCTR2_MSSEL_MASTER |
+				OPORTMXCTR2_EXTLSIFSSEL_36 |
+				OPORTMXCTR2_DACCKSEL_1_2;
+		} else if (sub->swm->type == PORT_TYPE_SPDIF) {
+			if (sub->aio->pll_out >= ARRAY_SIZE(v_pll)) {
+				dev_err(dev, "PLL(%d) is invalid\n",
+					sub->aio->pll_out);
+				return -EINVAL;
+			}
+			v = v_pll[sub->aio->pll_out] |
+				OPORTMXCTR2_MSSEL_MASTER |
+				OPORTMXCTR2_DACCKSEL_1_2;
+
+			switch (chip->plls[sub->aio->pll_out].freq) {
+			case 0:
+			case 36864000:
+			case 33868800:
+				v |= OPORTMXCTR2_EXTLSIFSSEL_36;
+				break;
+			default:
+				v |= OPORTMXCTR2_EXTLSIFSSEL_24;
+				break;
+			}
+		} else {
+			v = OPORTMXCTR2_ACLKSEL_A1 |
+				OPORTMXCTR2_MSSEL_MASTER |
+				OPORTMXCTR2_EXTLSIFSSEL_36 |
+				OPORTMXCTR2_DACCKSEL_1_2;
+		}
+		regmap_write(r, OPORTMXCTR2(sub->swm->oport.map), v);
+	} else {
+		v = IPORTMXCTR2_ACLKSEL_A1 |
+			IPORTMXCTR2_MSSEL_SLAVE |
+			IPORTMXCTR2_EXTLSIFSSEL_36 |
+			IPORTMXCTR2_DACCKSEL_1_2;
+		regmap_write(r, IPORTMXCTR2(sub->swm->iport.map), v);
+	}
+
+	return 0;
+}
+
+/**
+ * aio_port_set_param - set parameters of AIO port block
+ * @sub: the AIO substream pointer
+ * @pass_through: Zero if sound data is LPCM, otherwise if data is not LPCM.
+ * This parameter has no effect if substream is I2S or PCM.
+ * @params: hardware parameters of ALSA
+ *
+ * Set suitable setting to input/output port block of AIO to process the
+ * specified in params.
+ *
+ * Return: Zero if successful, otherwise a negative value on error.
+ */
+int aio_port_set_param(struct uniphier_aio_sub *sub, int pass_through,
+		       const struct snd_pcm_hw_params *params)
+{
+	struct regmap *r = sub->aio->chip->regmap;
+	unsigned int rate;
+	u32 v;
+	int ret;
+
+	if (!pass_through) {
+		if (sub->swm->type == PORT_TYPE_EVE ||
+		    sub->swm->type == PORT_TYPE_CONV) {
+			rate = 48000;
+		} else {
+			rate = params_rate(params);
+		}
+
+		ret = aio_port_set_ch(sub);
+		if (ret)
+			return ret;
+
+		ret = aio_port_set_rate(sub, rate);
+		if (ret)
+			return ret;
+
+		ret = aio_port_set_fmt(sub);
+		if (ret)
+			return ret;
+	}
+
+	ret = aio_port_set_clk(sub);
+	if (ret)
+		return ret;
+
+	if (sub->swm->dir == PORT_DIR_OUTPUT) {
+		if (pass_through)
+			v = OPORTMXCTR3_SRCSEL_STREAM |
+				OPORTMXCTR3_VALID_STREAM;
+		else
+			v = OPORTMXCTR3_SRCSEL_PCM |
+				OPORTMXCTR3_VALID_PCM;
+
+		v |= OPORTMXCTR3_IECTHUR_IECOUT |
+			OPORTMXCTR3_PMSEL_PAUSE |
+			OPORTMXCTR3_PMSW_MUTE_OFF;
+		regmap_write(r, OPORTMXCTR3(sub->swm->oport.map), v);
+	} else {
+		regmap_write(r, IPORTMXACLKSEL0EX(sub->swm->iport.map),
+			     IPORTMXACLKSEL0EX_ACLKSEL0EX_INTERNAL);
+		regmap_write(r, IPORTMXEXNOE(sub->swm->iport.map),
+			     IPORTMXEXNOE_PCMINOE_INPUT);
+	}
+
+	return 0;
+}
+
+/**
+ * aio_port_set_enable - start or stop of AIO port block
+ * @sub: the AIO substream pointer
+ * @enable: zero to stop the block, otherwise to start
+ *
+ * Start or stop the signal input/output port block of AIO.
+ */
+void aio_port_set_enable(struct uniphier_aio_sub *sub, int enable)
+{
+	struct regmap *r = sub->aio->chip->regmap;
+
+	if (sub->swm->dir == PORT_DIR_OUTPUT) {
+		regmap_write(r, OPORTMXPATH(sub->swm->oport.map),
+			     sub->swm->oif.map);
+
+		regmap_update_bits(r, OPORTMXMASK(sub->swm->oport.map),
+				   OPORTMXMASK_IUDXMSK_MASK |
+				   OPORTMXMASK_IUXCKMSK_MASK |
+				   OPORTMXMASK_DXMSK_MASK |
+				   OPORTMXMASK_XCKMSK_MASK,
+				   OPORTMXMASK_IUDXMSK_OFF |
+				   OPORTMXMASK_IUXCKMSK_OFF |
+				   OPORTMXMASK_DXMSK_OFF |
+				   OPORTMXMASK_XCKMSK_OFF);
+
+		if (enable)
+			regmap_write(r, AOUTENCTR0, BIT(sub->swm->oport.map));
+		else
+			regmap_write(r, AOUTENCTR1, BIT(sub->swm->oport.map));
+	} else {
+		regmap_update_bits(r, IPORTMXMASK(sub->swm->iport.map),
+				   IPORTMXMASK_IUXCKMSK_MASK |
+				   IPORTMXMASK_XCKMSK_MASK,
+				   IPORTMXMASK_IUXCKMSK_OFF |
+				   IPORTMXMASK_XCKMSK_OFF);
+
+		if (enable)
+			regmap_update_bits(r,
+					   IPORTMXCTR2(sub->swm->iport.map),
+					   IPORTMXCTR2_REQEN_MASK,
+					   IPORTMXCTR2_REQEN_ENABLE);
+		else
+			regmap_update_bits(r,
+					   IPORTMXCTR2(sub->swm->iport.map),
+					   IPORTMXCTR2_REQEN_MASK,
+					   IPORTMXCTR2_REQEN_DISABLE);
+	}
+}
+
+/**
+ * aio_port_get_volume - get volume of AIO port block
+ * @sub: the AIO substream pointer
+ *
+ * Return: current volume, range is 0x0000 - 0xffff
+ */
+int aio_port_get_volume(struct uniphier_aio_sub *sub)
+{
+	struct regmap *r = sub->aio->chip->regmap;
+	u32 v;
+
+	regmap_read(r, OPORTMXTYVOLGAINSTATUS(sub->swm->oport.map, 0), &v);
+
+	return FIELD_GET(OPORTMXTYVOLGAINSTATUS_CUR_MASK, v);
+}
+
+/**
+ * aio_port_set_volume - set volume of AIO port block
+ * @sub: the AIO substream pointer
+ * @vol: target volume, range is 0x0000 - 0xffff.
+ *
+ * Change digital volume and perfome fade-out/fade-in effect for specified
+ * output slot of port. Gained PCM value can calculate as the following:
+ *   Gained = Original * vol / 0x4000
+ */
+void aio_port_set_volume(struct uniphier_aio_sub *sub, int vol)
+{
+	struct regmap *r = sub->aio->chip->regmap;
+	int oport_map = sub->swm->oport.map;
+	int cur, diff, slope = 0, fs;
+
+	if (sub->swm->dir == PORT_DIR_INPUT)
+		return;
+
+	cur = aio_port_get_volume(sub);
+	diff = abs(vol - cur);
+	fs = params_rate(&sub->params);
+	if (fs)
+		slope = diff / AUD_VOL_FADE_TIME * 1000 / fs;
+	slope = max(1, slope);
+
+	regmap_update_bits(r, OPORTMXTYVOLPARA1(oport_map, 0),
+			   OPORTMXTYVOLPARA1_SLOPEU_MASK, slope << 16);
+	regmap_update_bits(r, OPORTMXTYVOLPARA2(oport_map, 0),
+			   OPORTMXTYVOLPARA2_TARGET_MASK, vol);
+
+	if (cur < vol)
+		regmap_update_bits(r, OPORTMXTYVOLPARA2(oport_map, 0),
+				   OPORTMXTYVOLPARA2_FADE_MASK,
+				   OPORTMXTYVOLPARA2_FADE_FADEIN);
+	else
+		regmap_update_bits(r, OPORTMXTYVOLPARA2(oport_map, 0),
+				   OPORTMXTYVOLPARA2_FADE_MASK,
+				   OPORTMXTYVOLPARA2_FADE_FADEOUT);
+
+	regmap_write(r, AOUTFADECTR0, BIT(oport_map));
+}
+
+/**
+ * aio_if_set_param - set parameters of AIO DMA I/F block
+ * @sub: the AIO substream pointer
+ * @pass_through: Zero if sound data is LPCM, otherwise if data is not LPCM.
+ * This parameter has no effect if substream is I2S or PCM.
+ *
+ * Set suitable setting to DMA interface block of AIO to process the
+ * specified in settings.
+ *
+ * Return: Zero if successful, otherwise a negative value on error.
+ */
+int aio_if_set_param(struct uniphier_aio_sub *sub, int pass_through)
+{
+	struct regmap *r = sub->aio->chip->regmap;
+	u32 memfmt, v;
+
+	if (sub->swm->dir == PORT_DIR_OUTPUT) {
+		if (pass_through) {
+			v = PBOUTMXCTR0_ENDIAN_0123 |
+				PBOUTMXCTR0_MEMFMT_STREAM;
+		} else {
+			switch (params_channels(&sub->params)) {
+			case 2:
+				memfmt = PBOUTMXCTR0_MEMFMT_2CH;
+				break;
+			case 6:
+				memfmt = PBOUTMXCTR0_MEMFMT_6CH;
+				break;
+			case 8:
+				memfmt = PBOUTMXCTR0_MEMFMT_8CH;
+				break;
+			default:
+				return -EINVAL;
+			}
+			v = PBOUTMXCTR0_ENDIAN_3210 | memfmt;
+		}
+
+		regmap_write(r, PBOUTMXCTR0(sub->swm->oif.map), v);
+		regmap_write(r, PBOUTMXCTR1(sub->swm->oif.map), 0);
+	} else {
+		regmap_write(r, PBINMXCTR(sub->swm->iif.map),
+			     PBINMXCTR_NCONNECT_CONNECT |
+			     PBINMXCTR_INOUTSEL_IN |
+			     (sub->swm->iport.map << PBINMXCTR_PBINSEL_SHIFT) |
+			     PBINMXCTR_ENDIAN_3210 |
+			     PBINMXCTR_MEMFMT_D0);
+	}
+
+	return 0;
+}
+
+/**
+ * aio_oport_set_stream_type - set parameters of AIO playback port block
+ * @sub: the AIO substream pointer
+ * @pc: Pc type of IEC61937
+ *
+ * Set special setting to output port block of AIO to output the stream
+ * via S/PDIF.
+ *
+ * Return: Zero if successful, otherwise a negative value on error.
+ */
+int aio_oport_set_stream_type(struct uniphier_aio_sub *sub,
+			      enum IEC61937_PC pc)
+{
+	struct regmap *r = sub->aio->chip->regmap;
+	u32 repet = 0, pause = OPORTMXPAUDAT_PAUSEPC_CMN;
+
+	switch (pc) {
+	case IEC61937_PC_AC3:
+		repet = OPORTMXREPET_STRLENGTH_AC3 |
+			OPORTMXREPET_PMLENGTH_AC3;
+		pause |= OPORTMXPAUDAT_PAUSEPD_AC3;
+		break;
+	case IEC61937_PC_MPA:
+		repet = OPORTMXREPET_STRLENGTH_MPA |
+			OPORTMXREPET_PMLENGTH_MPA;
+		pause |= OPORTMXPAUDAT_PAUSEPD_MPA;
+		break;
+	case IEC61937_PC_MP3:
+		repet = OPORTMXREPET_STRLENGTH_MP3 |
+			OPORTMXREPET_PMLENGTH_MP3;
+		pause |= OPORTMXPAUDAT_PAUSEPD_MP3;
+		break;
+	case IEC61937_PC_DTS1:
+		repet = OPORTMXREPET_STRLENGTH_DTS1 |
+			OPORTMXREPET_PMLENGTH_DTS1;
+		pause |= OPORTMXPAUDAT_PAUSEPD_DTS1;
+		break;
+	case IEC61937_PC_DTS2:
+		repet = OPORTMXREPET_STRLENGTH_DTS2 |
+			OPORTMXREPET_PMLENGTH_DTS2;
+		pause |= OPORTMXPAUDAT_PAUSEPD_DTS2;
+		break;
+	case IEC61937_PC_DTS3:
+		repet = OPORTMXREPET_STRLENGTH_DTS3 |
+			OPORTMXREPET_PMLENGTH_DTS3;
+		pause |= OPORTMXPAUDAT_PAUSEPD_DTS3;
+		break;
+	case IEC61937_PC_AAC:
+		repet = OPORTMXREPET_STRLENGTH_AAC |
+			OPORTMXREPET_PMLENGTH_AAC;
+		pause |= OPORTMXPAUDAT_PAUSEPD_AAC;
+		break;
+	case IEC61937_PC_PAUSE:
+		/* Do nothing */
+		break;
+	}
+
+	regmap_write(r, OPORTMXREPET(sub->swm->oport.map), repet);
+	regmap_write(r, OPORTMXPAUDAT(sub->swm->oport.map), pause);
+
+	return 0;
+}
+
+/**
+ * aio_src_reset - reset AIO SRC block
+ * @sub: the AIO substream pointer
+ *
+ * Resets the digital signal input/output port with sampling rate converter
+ * block of AIO.
+ * This function has no effect if substream is not supported rate converter.
+ */
+void aio_src_reset(struct uniphier_aio_sub *sub)
+{
+	struct regmap *r = sub->aio->chip->regmap;
+
+	if (sub->swm->dir != PORT_DIR_OUTPUT)
+		return;
+
+	regmap_write(r, AOUTSRCRSTCTR0, BIT(sub->swm->oport.map));
+	regmap_write(r, AOUTSRCRSTCTR1, BIT(sub->swm->oport.map));
+}
+
+/**
+ * aio_src_set_param - set parameters of AIO SRC block
+ * @sub: the AIO substream pointer
+ * @params: hardware parameters of ALSA
+ *
+ * Set suitable setting to input/output port with sampling rate converter
+ * block of AIO to process the specified in params.
+ * This function has no effect if substream is not supported rate converter.
+ *
+ * Return: Zero if successful, otherwise a negative value on error.
+ */
+int aio_src_set_param(struct uniphier_aio_sub *sub,
+		      const struct snd_pcm_hw_params *params)
+{
+	struct regmap *r = sub->aio->chip->regmap;
+	u32 v;
+
+	if (sub->swm->dir != PORT_DIR_OUTPUT)
+		return 0;
+
+	regmap_write(r, OPORTMXSRC1CTR(sub->swm->oport.map),
+		     OPORTMXSRC1CTR_THMODE_SRC |
+		     OPORTMXSRC1CTR_SRCPATH_CALC |
+		     OPORTMXSRC1CTR_SYNC_ASYNC |
+		     OPORTMXSRC1CTR_FSIIPSEL_INNER |
+		     OPORTMXSRC1CTR_FSISEL_ACLK);
+
+	switch (params_rate(params)) {
+	default:
+	case 48000:
+		v = OPORTMXRATE_I_ACLKSEL_APLLA1 |
+			OPORTMXRATE_I_MCKSEL_36 |
+			OPORTMXRATE_I_FSSEL_48;
+		break;
+	case 44100:
+		v = OPORTMXRATE_I_ACLKSEL_APLLA2 |
+			OPORTMXRATE_I_MCKSEL_33 |
+			OPORTMXRATE_I_FSSEL_44_1;
+		break;
+	case 32000:
+		v = OPORTMXRATE_I_ACLKSEL_APLLA1 |
+			OPORTMXRATE_I_MCKSEL_36 |
+			OPORTMXRATE_I_FSSEL_32;
+		break;
+	}
+
+	regmap_write(r, OPORTMXRATE_I(sub->swm->oport.map),
+		     v | OPORTMXRATE_I_ACLKSRC_APLL |
+		     OPORTMXRATE_I_LRCKSTP_STOP);
+	regmap_update_bits(r, OPORTMXRATE_I(sub->swm->oport.map),
+			   OPORTMXRATE_I_LRCKSTP_MASK,
+			   OPORTMXRATE_I_LRCKSTP_START);
+
+	return 0;
+}
+
+int aio_srcif_set_param(struct uniphier_aio_sub *sub)
+{
+	struct regmap *r = sub->aio->chip->regmap;
+
+	regmap_write(r, PBINMXCTR(sub->swm->iif.map),
+		     PBINMXCTR_NCONNECT_CONNECT |
+		     PBINMXCTR_INOUTSEL_OUT |
+		     (sub->swm->oport.map << PBINMXCTR_PBINSEL_SHIFT) |
+		     PBINMXCTR_ENDIAN_3210 |
+		     PBINMXCTR_MEMFMT_D0);
+
+	return 0;
+}
+
+int aio_srcch_set_param(struct uniphier_aio_sub *sub)
+{
+	struct regmap *r = sub->aio->chip->regmap;
+
+	regmap_write(r, CDA2D_CHMXCTRL1(sub->swm->och.map),
+		     CDA2D_CHMXCTRL1_INDSIZE_INFINITE);
+
+	regmap_write(r, CDA2D_CHMXSRCAMODE(sub->swm->och.map),
+		     CDA2D_CHMXAMODE_ENDIAN_3210 |
+		     CDA2D_CHMXAMODE_AUPDT_FIX |
+		     CDA2D_CHMXAMODE_TYPE_NORMAL);
+
+	regmap_write(r, CDA2D_CHMXDSTAMODE(sub->swm->och.map),
+		     CDA2D_CHMXAMODE_ENDIAN_3210 |
+		     CDA2D_CHMXAMODE_AUPDT_INC |
+		     CDA2D_CHMXAMODE_TYPE_RING |
+		     (sub->swm->och.map << CDA2D_CHMXAMODE_RSSEL_SHIFT));
+
+	return 0;
+}
+
+void aio_srcch_set_enable(struct uniphier_aio_sub *sub, int enable)
+{
+	struct regmap *r = sub->aio->chip->regmap;
+	u32 v;
+
+	if (enable)
+		v = CDA2D_STRT0_STOP_START;
+	else
+		v = CDA2D_STRT0_STOP_STOP;
+
+	regmap_write(r, CDA2D_STRT0,
+		     v | BIT(sub->swm->och.map));
+}
+
+int aiodma_ch_set_param(struct uniphier_aio_sub *sub)
+{
+	struct regmap *r = sub->aio->chip->regmap;
+	u32 v;
+
+	regmap_write(r, CDA2D_CHMXCTRL1(sub->swm->ch.map),
+		     CDA2D_CHMXCTRL1_INDSIZE_INFINITE);
+
+	v = CDA2D_CHMXAMODE_ENDIAN_3210 |
+		CDA2D_CHMXAMODE_AUPDT_INC |
+		CDA2D_CHMXAMODE_TYPE_NORMAL |
+		(sub->swm->rb.map << CDA2D_CHMXAMODE_RSSEL_SHIFT);
+	if (sub->swm->dir == PORT_DIR_OUTPUT)
+		regmap_write(r, CDA2D_CHMXSRCAMODE(sub->swm->ch.map), v);
+	else
+		regmap_write(r, CDA2D_CHMXDSTAMODE(sub->swm->ch.map), v);
+
+	return 0;
+}
+
+void aiodma_ch_set_enable(struct uniphier_aio_sub *sub, int enable)
+{
+	struct regmap *r = sub->aio->chip->regmap;
+
+	if (enable) {
+		regmap_write(r, CDA2D_STRT0,
+			     CDA2D_STRT0_STOP_START | BIT(sub->swm->ch.map));
+
+		regmap_update_bits(r, INTRBIM(0),
+				   BIT(sub->swm->rb.map),
+				   BIT(sub->swm->rb.map));
+	} else {
+		regmap_write(r, CDA2D_STRT0,
+			     CDA2D_STRT0_STOP_STOP | BIT(sub->swm->ch.map));
+
+		regmap_update_bits(r, INTRBIM(0),
+				   BIT(sub->swm->rb.map),
+				   0);
+	}
+}
+
+static u64 aiodma_rb_get_rp(struct uniphier_aio_sub *sub)
+{
+	struct regmap *r = sub->aio->chip->regmap;
+	u32 pos_u, pos_l;
+	int i;
+
+	regmap_write(r, CDA2D_RDPTRLOAD,
+		     CDA2D_RDPTRLOAD_LSFLAG_STORE | BIT(sub->swm->rb.map));
+	/* Wait for setup */
+	for (i = 0; i < 6; i++)
+		regmap_read(r, CDA2D_RBMXRDPTR(sub->swm->rb.map), &pos_l);
+
+	regmap_read(r, CDA2D_RBMXRDPTR(sub->swm->rb.map), &pos_l);
+	regmap_read(r, CDA2D_RBMXRDPTRU(sub->swm->rb.map), &pos_u);
+	pos_u = FIELD_GET(CDA2D_RBMXPTRU_PTRU_MASK, pos_u);
+
+	return ((u64)pos_u << 32) | pos_l;
+}
+
+static void aiodma_rb_set_rp(struct uniphier_aio_sub *sub, u64 pos)
+{
+	struct regmap *r = sub->aio->chip->regmap;
+	u32 tmp;
+	int i;
+
+	regmap_write(r, CDA2D_RBMXRDPTR(sub->swm->rb.map), (u32)pos);
+	regmap_write(r, CDA2D_RBMXRDPTRU(sub->swm->rb.map), (u32)(pos >> 32));
+	regmap_write(r, CDA2D_RDPTRLOAD, BIT(sub->swm->rb.map));
+	/* Wait for setup */
+	for (i = 0; i < 6; i++)
+		regmap_read(r, CDA2D_RBMXRDPTR(sub->swm->rb.map), &tmp);
+}
+
+static u64 aiodma_rb_get_wp(struct uniphier_aio_sub *sub)
+{
+	struct regmap *r = sub->aio->chip->regmap;
+	u32 pos_u, pos_l;
+	int i;
+
+	regmap_write(r, CDA2D_WRPTRLOAD,
+		     CDA2D_WRPTRLOAD_LSFLAG_STORE | BIT(sub->swm->rb.map));
+	/* Wait for setup */
+	for (i = 0; i < 6; i++)
+		regmap_read(r, CDA2D_RBMXWRPTR(sub->swm->rb.map), &pos_l);
+
+	regmap_read(r, CDA2D_RBMXWRPTR(sub->swm->rb.map), &pos_l);
+	regmap_read(r, CDA2D_RBMXWRPTRU(sub->swm->rb.map), &pos_u);
+	pos_u = FIELD_GET(CDA2D_RBMXPTRU_PTRU_MASK, pos_u);
+
+	return ((u64)pos_u << 32) | pos_l;
+}
+
+static void aiodma_rb_set_wp(struct uniphier_aio_sub *sub, u64 pos)
+{
+	struct regmap *r = sub->aio->chip->regmap;
+	u32 tmp;
+	int i;
+
+	regmap_write(r, CDA2D_RBMXWRPTR(sub->swm->rb.map),
+		     lower_32_bits(pos));
+	regmap_write(r, CDA2D_RBMXWRPTRU(sub->swm->rb.map),
+		     upper_32_bits(pos));
+	regmap_write(r, CDA2D_WRPTRLOAD, BIT(sub->swm->rb.map));
+	/* Wait for setup */
+	for (i = 0; i < 6; i++)
+		regmap_read(r, CDA2D_RBMXWRPTR(sub->swm->rb.map), &tmp);
+}
+
+int aiodma_rb_set_threshold(struct uniphier_aio_sub *sub, u64 size, u32 th)
+{
+	struct regmap *r = sub->aio->chip->regmap;
+
+	if (size <= th)
+		return -EINVAL;
+
+	regmap_write(r, CDA2D_RBMXBTH(sub->swm->rb.map), th);
+	regmap_write(r, CDA2D_RBMXRTH(sub->swm->rb.map), th);
+
+	return 0;
+}
+
+int aiodma_rb_set_buffer(struct uniphier_aio_sub *sub, u64 start, u64 end,
+			 int period)
+{
+	struct regmap *r = sub->aio->chip->regmap;
+	u64 size = end - start;
+	int ret;
+
+	if (end < start || period < 0)
+		return -EINVAL;
+
+	regmap_write(r, CDA2D_RBMXCNFG(sub->swm->rb.map), 0);
+	regmap_write(r, CDA2D_RBMXBGNADRS(sub->swm->rb.map),
+		     lower_32_bits(start));
+	regmap_write(r, CDA2D_RBMXBGNADRSU(sub->swm->rb.map),
+		     upper_32_bits(start));
+	regmap_write(r, CDA2D_RBMXENDADRS(sub->swm->rb.map),
+		     lower_32_bits(end));
+	regmap_write(r, CDA2D_RBMXENDADRSU(sub->swm->rb.map),
+		     upper_32_bits(end));
+
+	regmap_write(r, CDA2D_RBADRSLOAD, BIT(sub->swm->rb.map));
+
+	ret = aiodma_rb_set_threshold(sub, size, 2 * period);
+	if (ret)
+		return ret;
+
+	if (sub->swm->dir == PORT_DIR_OUTPUT) {
+		aiodma_rb_set_rp(sub, start);
+		aiodma_rb_set_wp(sub, end - period);
+
+		regmap_update_bits(r, CDA2D_RBMXIE(sub->swm->rb.map),
+				   CDA2D_RBMXIX_SPACE,
+				   CDA2D_RBMXIX_SPACE);
+	} else {
+		aiodma_rb_set_rp(sub, end - period);
+		aiodma_rb_set_wp(sub, start);
+
+		regmap_update_bits(r, CDA2D_RBMXIE(sub->swm->rb.map),
+				   CDA2D_RBMXIX_REMAIN,
+				   CDA2D_RBMXIX_REMAIN);
+	}
+
+	sub->threshold = 2 * period;
+	sub->rd_offs = 0;
+	sub->wr_offs = 0;
+	sub->rd_org = 0;
+	sub->wr_org = 0;
+	sub->rd_total = 0;
+	sub->wr_total = 0;
+
+	return 0;
+}
+
+void aiodma_rb_sync(struct uniphier_aio_sub *sub, u64 start, u64 size,
+		    int period)
+{
+	if (sub->swm->dir == PORT_DIR_OUTPUT) {
+		sub->rd_offs = aiodma_rb_get_rp(sub) - start;
+
+		if (sub->use_mmap) {
+			sub->threshold = 2 * period;
+			aiodma_rb_set_threshold(sub, size, 2 * period);
+
+			sub->wr_offs = sub->rd_offs - period;
+			if (sub->rd_offs < period)
+				sub->wr_offs += size;
+		}
+		aiodma_rb_set_wp(sub, sub->wr_offs + start);
+	} else {
+		sub->wr_offs = aiodma_rb_get_wp(sub) - start;
+
+		if (sub->use_mmap) {
+			sub->threshold = 2 * period;
+			aiodma_rb_set_threshold(sub, size, 2 * period);
+
+			sub->rd_offs = sub->wr_offs - period;
+			if (sub->wr_offs < period)
+				sub->rd_offs += size;
+		}
+		aiodma_rb_set_rp(sub, sub->rd_offs + start);
+	}
+
+	sub->rd_total += sub->rd_offs - sub->rd_org;
+	if (sub->rd_offs < sub->rd_org)
+		sub->rd_total += size;
+	sub->wr_total += sub->wr_offs - sub->wr_org;
+	if (sub->wr_offs < sub->wr_org)
+		sub->wr_total += size;
+
+	sub->rd_org = sub->rd_offs;
+	sub->wr_org = sub->wr_offs;
+}
+
+bool aiodma_rb_is_irq(struct uniphier_aio_sub *sub)
+{
+	struct regmap *r = sub->aio->chip->regmap;
+	u32 ir;
+
+	regmap_read(r, CDA2D_RBMXIR(sub->swm->rb.map), &ir);
+
+	if (sub->swm->dir == PORT_DIR_OUTPUT)
+		return !!(ir & CDA2D_RBMXIX_SPACE);
+	else
+		return !!(ir & CDA2D_RBMXIX_REMAIN);
+}
+
+void aiodma_rb_clear_irq(struct uniphier_aio_sub *sub)
+{
+	struct regmap *r = sub->aio->chip->regmap;
+
+	if (sub->swm->dir == PORT_DIR_OUTPUT)
+		regmap_write(r, CDA2D_RBMXIR(sub->swm->rb.map),
+			     CDA2D_RBMXIX_SPACE);
+	else
+		regmap_write(r, CDA2D_RBMXIR(sub->swm->rb.map),
+			     CDA2D_RBMXIX_REMAIN);
+}
diff --git a/sound/soc/uniphier/aio-cpu.c b/sound/soc/uniphier/aio-cpu.c
new file mode 100644
index 000000000..2ae582a99
--- /dev/null
+++ b/sound/soc/uniphier/aio-cpu.c
@@ -0,0 +1,713 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Socionext UniPhier AIO ALSA CPU DAI driver.
+//
+// Copyright (c) 2016-2018 Socionext Inc.
+
+#include <linux/clk.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/reset.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+
+#include "aio.h"
+
+static bool is_valid_pll(struct uniphier_aio_chip *chip, int pll_id)
+{
+	struct device *dev = &chip->pdev->dev;
+
+	if (pll_id < 0 || chip->num_plls <= pll_id) {
+		dev_err(dev, "PLL(%d) is not supported\n", pll_id);
+		return false;
+	}
+
+	return chip->plls[pll_id].enable;
+}
+
+/**
+ * find_volume - find volume supported HW port by HW port number
+ * @chip: the AIO chip pointer
+ * @oport_hw: HW port number, one of AUD_HW_XXXX
+ *
+ * Find AIO device from device list by HW port number. Volume feature is
+ * available only in Output and PCM ports, this limitation comes from HW
+ * specifications.
+ *
+ * Return: The pointer of AIO substream if successful, otherwise NULL on error.
+ */
+static struct uniphier_aio_sub *find_volume(struct uniphier_aio_chip *chip,
+					    int oport_hw)
+{
+	int i;
+
+	for (i = 0; i < chip->num_aios; i++) {
+		struct uniphier_aio_sub *sub = &chip->aios[i].sub[0];
+
+		if (!sub->swm)
+			continue;
+
+		if (sub->swm->oport.hw == oport_hw)
+			return sub;
+	}
+
+	return NULL;
+}
+
+static bool match_spec(const struct uniphier_aio_spec *spec,
+		       const char *name, int dir)
+{
+	if (dir == SNDRV_PCM_STREAM_PLAYBACK &&
+	    spec->swm.dir != PORT_DIR_OUTPUT) {
+		return false;
+	}
+
+	if (dir == SNDRV_PCM_STREAM_CAPTURE &&
+	    spec->swm.dir != PORT_DIR_INPUT) {
+		return false;
+	}
+
+	if (spec->name && strcmp(spec->name, name) == 0)
+		return true;
+
+	if (spec->gname && strcmp(spec->gname, name) == 0)
+		return true;
+
+	return false;
+}
+
+/**
+ * find_spec - find HW specification info by name
+ * @aio: the AIO device pointer
+ * @name: name of device
+ * @direction: the direction of substream, SNDRV_PCM_STREAM_*
+ *
+ * Find hardware specification information from list by device name. This
+ * information is used for telling the difference of SoCs to driver.
+ *
+ * Specification list is array of 'struct uniphier_aio_spec' which is defined
+ * in each drivers (see: aio-i2s.c).
+ *
+ * Return: The pointer of hardware specification of AIO if successful,
+ * otherwise NULL on error.
+ */
+static const struct uniphier_aio_spec *find_spec(struct uniphier_aio *aio,
+						 const char *name,
+						 int direction)
+{
+	const struct uniphier_aio_chip_spec *chip_spec = aio->chip->chip_spec;
+	int i;
+
+	for (i = 0; i < chip_spec->num_specs; i++) {
+		const struct uniphier_aio_spec *spec = &chip_spec->specs[i];
+
+		if (match_spec(spec, name, direction))
+			return spec;
+	}
+
+	return NULL;
+}
+
+/**
+ * find_divider - find clock divider by frequency
+ * @aio: the AIO device pointer
+ * @pll_id: PLL ID, should be AUD_PLL_XX
+ * @freq: required frequency
+ *
+ * Find suitable clock divider by frequency.
+ *
+ * Return: The ID of PLL if successful, otherwise negative error value.
+ */
+static int find_divider(struct uniphier_aio *aio, int pll_id, unsigned int freq)
+{
+	struct uniphier_aio_pll *pll;
+	int mul[] = { 1, 1, 1, 2, };
+	int div[] = { 2, 3, 1, 3, };
+	int i;
+
+	if (!is_valid_pll(aio->chip, pll_id))
+		return -EINVAL;
+
+	pll = &aio->chip->plls[pll_id];
+	for (i = 0; i < ARRAY_SIZE(mul); i++)
+		if (pll->freq * mul[i] / div[i] == freq)
+			return i;
+
+	return -ENOTSUPP;
+}
+
+static int uniphier_aio_set_sysclk(struct snd_soc_dai *dai, int clk_id,
+				   unsigned int freq, int dir)
+{
+	struct uniphier_aio *aio = uniphier_priv(dai);
+	struct device *dev = &aio->chip->pdev->dev;
+	bool pll_auto = false;
+	int pll_id, div_id;
+
+	switch (clk_id) {
+	case AUD_CLK_IO:
+		return -ENOTSUPP;
+	case AUD_CLK_A1:
+		pll_id = AUD_PLL_A1;
+		break;
+	case AUD_CLK_F1:
+		pll_id = AUD_PLL_F1;
+		break;
+	case AUD_CLK_A2:
+		pll_id = AUD_PLL_A2;
+		break;
+	case AUD_CLK_F2:
+		pll_id = AUD_PLL_F2;
+		break;
+	case AUD_CLK_A:
+		pll_id = AUD_PLL_A1;
+		pll_auto = true;
+		break;
+	case AUD_CLK_F:
+		pll_id = AUD_PLL_F1;
+		pll_auto = true;
+		break;
+	case AUD_CLK_APLL:
+		pll_id = AUD_PLL_APLL;
+		break;
+	case AUD_CLK_RX0:
+		pll_id = AUD_PLL_RX0;
+		break;
+	case AUD_CLK_USB0:
+		pll_id = AUD_PLL_USB0;
+		break;
+	case AUD_CLK_HSC0:
+		pll_id = AUD_PLL_HSC0;
+		break;
+	default:
+		dev_err(dev, "Sysclk(%d) is not supported\n", clk_id);
+		return -EINVAL;
+	}
+
+	if (pll_auto) {
+		for (pll_id = 0; pll_id < aio->chip->num_plls; pll_id++) {
+			div_id = find_divider(aio, pll_id, freq);
+			if (div_id >= 0) {
+				aio->plldiv = div_id;
+				break;
+			}
+		}
+		if (pll_id == aio->chip->num_plls) {
+			dev_err(dev, "Sysclk frequency is not supported(%d)\n",
+				freq);
+			return -EINVAL;
+		}
+	}
+
+	if (dir == SND_SOC_CLOCK_OUT)
+		aio->pll_out = pll_id;
+	else
+		aio->pll_in = pll_id;
+
+	return 0;
+}
+
+static int uniphier_aio_set_pll(struct snd_soc_dai *dai, int pll_id,
+				int source, unsigned int freq_in,
+				unsigned int freq_out)
+{
+	struct uniphier_aio *aio = uniphier_priv(dai);
+	int ret;
+
+	if (!is_valid_pll(aio->chip, pll_id))
+		return -EINVAL;
+
+	ret = aio_chip_set_pll(aio->chip, pll_id, freq_out);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
+static int uniphier_aio_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+	struct uniphier_aio *aio = uniphier_priv(dai);
+	struct device *dev = &aio->chip->pdev->dev;
+
+	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+	case SND_SOC_DAIFMT_LEFT_J:
+	case SND_SOC_DAIFMT_RIGHT_J:
+	case SND_SOC_DAIFMT_I2S:
+		aio->fmt = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
+		break;
+	default:
+		dev_err(dev, "Format is not supported(%d)\n",
+			fmt & SND_SOC_DAIFMT_FORMAT_MASK);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int uniphier_aio_startup(struct snd_pcm_substream *substream,
+				struct snd_soc_dai *dai)
+{
+	struct uniphier_aio *aio = uniphier_priv(dai);
+	struct uniphier_aio_sub *sub = &aio->sub[substream->stream];
+	int ret;
+
+	sub->substream = substream;
+	sub->pass_through = 0;
+	sub->use_mmap = true;
+
+	ret = aio_init(sub);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static void uniphier_aio_shutdown(struct snd_pcm_substream *substream,
+				  struct snd_soc_dai *dai)
+{
+	struct uniphier_aio *aio = uniphier_priv(dai);
+	struct uniphier_aio_sub *sub = &aio->sub[substream->stream];
+
+	sub->substream = NULL;
+}
+
+static int uniphier_aio_hw_params(struct snd_pcm_substream *substream,
+				  struct snd_pcm_hw_params *params,
+				  struct snd_soc_dai *dai)
+{
+	struct uniphier_aio *aio = uniphier_priv(dai);
+	struct uniphier_aio_sub *sub = &aio->sub[substream->stream];
+	struct device *dev = &aio->chip->pdev->dev;
+	int freq, ret;
+
+	switch (params_rate(params)) {
+	case 48000:
+	case 32000:
+	case 24000:
+		freq = 12288000;
+		break;
+	case 44100:
+	case 22050:
+		freq = 11289600;
+		break;
+	default:
+		dev_err(dev, "Rate is not supported(%d)\n",
+			params_rate(params));
+		return -EINVAL;
+	}
+	ret = snd_soc_dai_set_sysclk(dai, AUD_CLK_A,
+				     freq, SND_SOC_CLOCK_OUT);
+	if (ret)
+		return ret;
+
+	sub->params = *params;
+	sub->setting = 1;
+
+	aio_port_reset(sub);
+	aio_port_set_volume(sub, sub->vol);
+	aio_src_reset(sub);
+
+	return 0;
+}
+
+static int uniphier_aio_hw_free(struct snd_pcm_substream *substream,
+				struct snd_soc_dai *dai)
+{
+	struct uniphier_aio *aio = uniphier_priv(dai);
+	struct uniphier_aio_sub *sub = &aio->sub[substream->stream];
+
+	sub->setting = 0;
+
+	return 0;
+}
+
+static int uniphier_aio_prepare(struct snd_pcm_substream *substream,
+				struct snd_soc_dai *dai)
+{
+	struct uniphier_aio *aio = uniphier_priv(dai);
+	struct uniphier_aio_sub *sub = &aio->sub[substream->stream];
+	int ret;
+
+	ret = aio_port_set_param(sub, sub->pass_through, &sub->params);
+	if (ret)
+		return ret;
+	ret = aio_src_set_param(sub, &sub->params);
+	if (ret)
+		return ret;
+	aio_port_set_enable(sub, 1);
+
+	ret = aio_if_set_param(sub, sub->pass_through);
+	if (ret)
+		return ret;
+
+	if (sub->swm->type == PORT_TYPE_CONV) {
+		ret = aio_srcif_set_param(sub);
+		if (ret)
+			return ret;
+		ret = aio_srcch_set_param(sub);
+		if (ret)
+			return ret;
+		aio_srcch_set_enable(sub, 1);
+	}
+
+	return 0;
+}
+
+const struct snd_soc_dai_ops uniphier_aio_i2s_ops = {
+	.set_sysclk  = uniphier_aio_set_sysclk,
+	.set_pll     = uniphier_aio_set_pll,
+	.set_fmt     = uniphier_aio_set_fmt,
+	.startup     = uniphier_aio_startup,
+	.shutdown    = uniphier_aio_shutdown,
+	.hw_params   = uniphier_aio_hw_params,
+	.hw_free     = uniphier_aio_hw_free,
+	.prepare     = uniphier_aio_prepare,
+};
+EXPORT_SYMBOL_GPL(uniphier_aio_i2s_ops);
+
+const struct snd_soc_dai_ops uniphier_aio_spdif_ops = {
+	.set_sysclk  = uniphier_aio_set_sysclk,
+	.set_pll     = uniphier_aio_set_pll,
+	.startup     = uniphier_aio_startup,
+	.shutdown    = uniphier_aio_shutdown,
+	.hw_params   = uniphier_aio_hw_params,
+	.hw_free     = uniphier_aio_hw_free,
+	.prepare     = uniphier_aio_prepare,
+};
+EXPORT_SYMBOL_GPL(uniphier_aio_spdif_ops);
+
+int uniphier_aio_dai_probe(struct snd_soc_dai *dai)
+{
+	struct uniphier_aio *aio = uniphier_priv(dai);
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(aio->sub); i++) {
+		struct uniphier_aio_sub *sub = &aio->sub[i];
+		const struct uniphier_aio_spec *spec;
+
+		spec = find_spec(aio, dai->name, i);
+		if (!spec)
+			continue;
+
+		sub->swm = &spec->swm;
+		sub->spec = spec;
+
+		sub->vol = AUD_VOL_INIT;
+	}
+
+	aio_iecout_set_enable(aio->chip, true);
+	aio_chip_init(aio->chip);
+	aio->chip->active = 1;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(uniphier_aio_dai_probe);
+
+int uniphier_aio_dai_remove(struct snd_soc_dai *dai)
+{
+	struct uniphier_aio *aio = uniphier_priv(dai);
+
+	aio->chip->active = 0;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(uniphier_aio_dai_remove);
+
+int uniphier_aio_dai_suspend(struct snd_soc_dai *dai)
+{
+	struct uniphier_aio *aio = uniphier_priv(dai);
+
+	aio->chip->num_wup_aios--;
+	if (!aio->chip->num_wup_aios) {
+		reset_control_assert(aio->chip->rst);
+		clk_disable_unprepare(aio->chip->clk);
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(uniphier_aio_dai_suspend);
+
+int uniphier_aio_dai_resume(struct snd_soc_dai *dai)
+{
+	struct uniphier_aio *aio = uniphier_priv(dai);
+	int ret, i;
+
+	if (!aio->chip->active)
+		return 0;
+
+	if (!aio->chip->num_wup_aios) {
+		ret = clk_prepare_enable(aio->chip->clk);
+		if (ret)
+			return ret;
+
+		ret = reset_control_deassert(aio->chip->rst);
+		if (ret)
+			goto err_out_clock;
+	}
+
+	aio_iecout_set_enable(aio->chip, true);
+	aio_chip_init(aio->chip);
+
+	for (i = 0; i < ARRAY_SIZE(aio->sub); i++) {
+		struct uniphier_aio_sub *sub = &aio->sub[i];
+
+		if (!sub->spec || !sub->substream)
+			continue;
+
+		ret = aio_init(sub);
+		if (ret)
+			goto err_out_reset;
+
+		if (!sub->setting)
+			continue;
+
+		aio_port_reset(sub);
+		aio_src_reset(sub);
+	}
+	aio->chip->num_wup_aios++;
+
+	return 0;
+
+err_out_reset:
+	if (!aio->chip->num_wup_aios)
+		reset_control_assert(aio->chip->rst);
+err_out_clock:
+	if (!aio->chip->num_wup_aios)
+		clk_disable_unprepare(aio->chip->clk);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(uniphier_aio_dai_resume);
+
+static int uniphier_aio_vol_info(struct snd_kcontrol *kcontrol,
+				 struct snd_ctl_elem_info *uinfo)
+{
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+	uinfo->count = 1;
+	uinfo->value.integer.min = 0;
+	uinfo->value.integer.max = AUD_VOL_MAX;
+
+	return 0;
+}
+
+static int uniphier_aio_vol_get(struct snd_kcontrol *kcontrol,
+				struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol);
+	struct uniphier_aio_chip *chip = snd_soc_component_get_drvdata(comp);
+	struct uniphier_aio_sub *sub;
+	int oport_hw = kcontrol->private_value;
+
+	sub = find_volume(chip, oport_hw);
+	if (!sub)
+		return 0;
+
+	ucontrol->value.integer.value[0] = sub->vol;
+
+	return 0;
+}
+
+static int uniphier_aio_vol_put(struct snd_kcontrol *kcontrol,
+				struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol);
+	struct uniphier_aio_chip *chip = snd_soc_component_get_drvdata(comp);
+	struct uniphier_aio_sub *sub;
+	int oport_hw = kcontrol->private_value;
+
+	sub = find_volume(chip, oport_hw);
+	if (!sub)
+		return 0;
+
+	if (sub->vol == ucontrol->value.integer.value[0])
+		return 0;
+	sub->vol = ucontrol->value.integer.value[0];
+
+	aio_port_set_volume(sub, sub->vol);
+
+	return 0;
+}
+
+static const struct snd_kcontrol_new uniphier_aio_controls[] = {
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+		.name = "HPCMOUT1 Volume",
+		.info = uniphier_aio_vol_info,
+		.get = uniphier_aio_vol_get,
+		.put = uniphier_aio_vol_put,
+		.private_value = AUD_HW_HPCMOUT1,
+	},
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+		.name = "PCMOUT1 Volume",
+		.info = uniphier_aio_vol_info,
+		.get = uniphier_aio_vol_get,
+		.put = uniphier_aio_vol_put,
+		.private_value = AUD_HW_PCMOUT1,
+	},
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+		.name = "PCMOUT2 Volume",
+		.info = uniphier_aio_vol_info,
+		.get = uniphier_aio_vol_get,
+		.put = uniphier_aio_vol_put,
+		.private_value = AUD_HW_PCMOUT2,
+	},
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+		.name = "PCMOUT3 Volume",
+		.info = uniphier_aio_vol_info,
+		.get = uniphier_aio_vol_get,
+		.put = uniphier_aio_vol_put,
+		.private_value = AUD_HW_PCMOUT3,
+	},
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+		.name = "HIECOUT1 Volume",
+		.info = uniphier_aio_vol_info,
+		.get = uniphier_aio_vol_get,
+		.put = uniphier_aio_vol_put,
+		.private_value = AUD_HW_HIECOUT1,
+	},
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+		.name = "IECOUT1 Volume",
+		.info = uniphier_aio_vol_info,
+		.get = uniphier_aio_vol_get,
+		.put = uniphier_aio_vol_put,
+		.private_value = AUD_HW_IECOUT1,
+	},
+};
+
+static const struct snd_soc_component_driver uniphier_aio_component = {
+	.name = "uniphier-aio",
+	.controls = uniphier_aio_controls,
+	.num_controls = ARRAY_SIZE(uniphier_aio_controls),
+};
+
+int uniphier_aio_probe(struct platform_device *pdev)
+{
+	struct uniphier_aio_chip *chip;
+	struct device *dev = &pdev->dev;
+	int ret, i, j;
+
+	chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL);
+	if (!chip)
+		return -ENOMEM;
+
+	chip->chip_spec = of_device_get_match_data(dev);
+	if (!chip->chip_spec)
+		return -EINVAL;
+
+	chip->regmap_sg = syscon_regmap_lookup_by_phandle(dev->of_node,
+							  "socionext,syscon");
+	if (IS_ERR(chip->regmap_sg)) {
+		if (PTR_ERR(chip->regmap_sg) == -EPROBE_DEFER)
+			return -EPROBE_DEFER;
+		chip->regmap_sg = NULL;
+	}
+
+	chip->clk = devm_clk_get(dev, "aio");
+	if (IS_ERR(chip->clk))
+		return PTR_ERR(chip->clk);
+
+	chip->rst = devm_reset_control_get_shared(dev, "aio");
+	if (IS_ERR(chip->rst))
+		return PTR_ERR(chip->rst);
+
+	chip->num_aios = chip->chip_spec->num_dais;
+	chip->num_wup_aios = chip->num_aios;
+	chip->aios = devm_kcalloc(dev,
+				  chip->num_aios, sizeof(struct uniphier_aio),
+				  GFP_KERNEL);
+	if (!chip->aios)
+		return -ENOMEM;
+
+	chip->num_plls = chip->chip_spec->num_plls;
+	chip->plls = devm_kcalloc(dev,
+				  chip->num_plls,
+				  sizeof(struct uniphier_aio_pll),
+				  GFP_KERNEL);
+	if (!chip->plls)
+		return -ENOMEM;
+	memcpy(chip->plls, chip->chip_spec->plls,
+	       sizeof(struct uniphier_aio_pll) * chip->num_plls);
+
+	for (i = 0; i < chip->num_aios; i++) {
+		struct uniphier_aio *aio = &chip->aios[i];
+
+		aio->chip = chip;
+		aio->fmt = SND_SOC_DAIFMT_I2S;
+
+		for (j = 0; j < ARRAY_SIZE(aio->sub); j++) {
+			struct uniphier_aio_sub *sub = &aio->sub[j];
+
+			sub->aio = aio;
+			spin_lock_init(&sub->lock);
+		}
+	}
+
+	chip->pdev = pdev;
+	platform_set_drvdata(pdev, chip);
+
+	ret = clk_prepare_enable(chip->clk);
+	if (ret)
+		return ret;
+
+	ret = reset_control_deassert(chip->rst);
+	if (ret)
+		goto err_out_clock;
+
+	ret = devm_snd_soc_register_component(dev, &uniphier_aio_component,
+					      chip->chip_spec->dais,
+					      chip->chip_spec->num_dais);
+	if (ret) {
+		dev_err(dev, "Register component failed.\n");
+		goto err_out_reset;
+	}
+
+	ret = uniphier_aiodma_soc_register_platform(pdev);
+	if (ret) {
+		dev_err(dev, "Register platform failed.\n");
+		goto err_out_reset;
+	}
+
+	return 0;
+
+err_out_reset:
+	reset_control_assert(chip->rst);
+
+err_out_clock:
+	clk_disable_unprepare(chip->clk);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(uniphier_aio_probe);
+
+int uniphier_aio_remove(struct platform_device *pdev)
+{
+	struct uniphier_aio_chip *chip = platform_get_drvdata(pdev);
+
+	reset_control_assert(chip->rst);
+	clk_disable_unprepare(chip->clk);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(uniphier_aio_remove);
+
+MODULE_AUTHOR("Katsuhiro Suzuki <suzuki.katsuhiro@socionext.com>");
+MODULE_DESCRIPTION("UniPhier AIO CPU DAI driver.");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/uniphier/aio-dma.c b/sound/soc/uniphier/aio-dma.c
new file mode 100644
index 000000000..4ec6b65bf
--- /dev/null
+++ b/sound/soc/uniphier/aio-dma.c
@@ -0,0 +1,306 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Socionext UniPhier AIO DMA driver.
+//
+// Copyright (c) 2016-2018 Socionext Inc.
+
+#include <linux/dma-mapping.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+
+#include "aio.h"
+
+static struct snd_pcm_hardware uniphier_aiodma_hw = {
+	.info = SNDRV_PCM_INFO_MMAP |
+		SNDRV_PCM_INFO_MMAP_VALID |
+		SNDRV_PCM_INFO_INTERLEAVED,
+	.period_bytes_min = 256,
+	.period_bytes_max = 4096,
+	.periods_min      = 4,
+	.periods_max      = 1024,
+	.buffer_bytes_max = 128 * 1024,
+};
+
+static void aiodma_pcm_irq(struct uniphier_aio_sub *sub)
+{
+	struct snd_pcm_runtime *runtime = sub->substream->runtime;
+	int bytes = runtime->period_size *
+		runtime->channels * samples_to_bytes(runtime, 1);
+	int ret;
+
+	spin_lock(&sub->lock);
+	ret = aiodma_rb_set_threshold(sub, runtime->dma_bytes,
+				      sub->threshold + bytes);
+	if (!ret)
+		sub->threshold += bytes;
+
+	aiodma_rb_sync(sub, runtime->dma_addr, runtime->dma_bytes, bytes);
+	aiodma_rb_clear_irq(sub);
+	spin_unlock(&sub->lock);
+
+	snd_pcm_period_elapsed(sub->substream);
+}
+
+static void aiodma_compr_irq(struct uniphier_aio_sub *sub)
+{
+	struct snd_compr_runtime *runtime = sub->cstream->runtime;
+	int bytes = runtime->fragment_size;
+	int ret;
+
+	spin_lock(&sub->lock);
+	ret = aiodma_rb_set_threshold(sub, sub->compr_bytes,
+				      sub->threshold + bytes);
+	if (!ret)
+		sub->threshold += bytes;
+
+	aiodma_rb_sync(sub, sub->compr_addr, sub->compr_bytes, bytes);
+	aiodma_rb_clear_irq(sub);
+	spin_unlock(&sub->lock);
+
+	snd_compr_fragment_elapsed(sub->cstream);
+}
+
+static irqreturn_t aiodma_irq(int irq, void *p)
+{
+	struct platform_device *pdev = p;
+	struct uniphier_aio_chip *chip = platform_get_drvdata(pdev);
+	irqreturn_t ret = IRQ_NONE;
+	int i, j;
+
+	for (i = 0; i < chip->num_aios; i++) {
+		struct uniphier_aio *aio = &chip->aios[i];
+
+		for (j = 0; j < ARRAY_SIZE(aio->sub); j++) {
+			struct uniphier_aio_sub *sub = &aio->sub[j];
+
+			/* Skip channel that does not trigger */
+			if (!sub->running || !aiodma_rb_is_irq(sub))
+				continue;
+
+			if (sub->substream)
+				aiodma_pcm_irq(sub);
+			if (sub->cstream)
+				aiodma_compr_irq(sub);
+
+			ret = IRQ_HANDLED;
+		}
+	}
+
+	return ret;
+}
+
+static int uniphier_aiodma_open(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+
+	snd_soc_set_runtime_hwparams(substream, &uniphier_aiodma_hw);
+
+	return snd_pcm_hw_constraint_step(runtime, 0,
+		SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256);
+}
+
+static int uniphier_aiodma_hw_params(struct snd_pcm_substream *substream,
+				     struct snd_pcm_hw_params *params)
+{
+	snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
+	substream->runtime->dma_bytes = params_buffer_bytes(params);
+
+	return 0;
+}
+
+static int uniphier_aiodma_hw_free(struct snd_pcm_substream *substream)
+{
+	snd_pcm_set_runtime_buffer(substream, NULL);
+	substream->runtime->dma_bytes = 0;
+
+	return 0;
+}
+
+static int uniphier_aiodma_prepare(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
+	struct uniphier_aio *aio = uniphier_priv(rtd->cpu_dai);
+	struct uniphier_aio_sub *sub = &aio->sub[substream->stream];
+	int bytes = runtime->period_size *
+		runtime->channels * samples_to_bytes(runtime, 1);
+	unsigned long flags;
+	int ret;
+
+	ret = aiodma_ch_set_param(sub);
+	if (ret)
+		return ret;
+
+	spin_lock_irqsave(&sub->lock, flags);
+	ret = aiodma_rb_set_buffer(sub, runtime->dma_addr,
+				   runtime->dma_addr + runtime->dma_bytes,
+				   bytes);
+	spin_unlock_irqrestore(&sub->lock, flags);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static int uniphier_aiodma_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
+	struct uniphier_aio *aio = uniphier_priv(rtd->cpu_dai);
+	struct uniphier_aio_sub *sub = &aio->sub[substream->stream];
+	struct device *dev = &aio->chip->pdev->dev;
+	int bytes = runtime->period_size *
+		runtime->channels * samples_to_bytes(runtime, 1);
+	unsigned long flags;
+
+	spin_lock_irqsave(&sub->lock, flags);
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+		aiodma_rb_sync(sub, runtime->dma_addr, runtime->dma_bytes,
+			       bytes);
+		aiodma_ch_set_enable(sub, 1);
+		sub->running = 1;
+
+		break;
+	case SNDRV_PCM_TRIGGER_STOP:
+		sub->running = 0;
+		aiodma_ch_set_enable(sub, 0);
+
+		break;
+	default:
+		dev_warn(dev, "Unknown trigger(%d) ignored\n", cmd);
+		break;
+	}
+	spin_unlock_irqrestore(&sub->lock, flags);
+
+	return 0;
+}
+
+static snd_pcm_uframes_t uniphier_aiodma_pointer(
+					struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
+	struct uniphier_aio *aio = uniphier_priv(rtd->cpu_dai);
+	struct uniphier_aio_sub *sub = &aio->sub[substream->stream];
+	int bytes = runtime->period_size *
+		runtime->channels * samples_to_bytes(runtime, 1);
+	unsigned long flags;
+	snd_pcm_uframes_t pos;
+
+	spin_lock_irqsave(&sub->lock, flags);
+	aiodma_rb_sync(sub, runtime->dma_addr, runtime->dma_bytes, bytes);
+
+	if (sub->swm->dir == PORT_DIR_OUTPUT)
+		pos = bytes_to_frames(runtime, sub->rd_offs);
+	else
+		pos = bytes_to_frames(runtime, sub->wr_offs);
+	spin_unlock_irqrestore(&sub->lock, flags);
+
+	return pos;
+}
+
+static int uniphier_aiodma_mmap(struct snd_pcm_substream *substream,
+				struct vm_area_struct *vma)
+{
+	vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
+
+	return remap_pfn_range(vma, vma->vm_start,
+			       substream->dma_buffer.addr >> PAGE_SHIFT,
+			       vma->vm_end - vma->vm_start, vma->vm_page_prot);
+}
+
+static const struct snd_pcm_ops uniphier_aiodma_ops = {
+	.open      = uniphier_aiodma_open,
+	.ioctl     = snd_pcm_lib_ioctl,
+	.hw_params = uniphier_aiodma_hw_params,
+	.hw_free   = uniphier_aiodma_hw_free,
+	.prepare   = uniphier_aiodma_prepare,
+	.trigger   = uniphier_aiodma_trigger,
+	.pointer   = uniphier_aiodma_pointer,
+	.mmap      = uniphier_aiodma_mmap,
+};
+
+static int uniphier_aiodma_new(struct snd_soc_pcm_runtime *rtd)
+{
+	struct device *dev = rtd->card->snd_card->dev;
+	struct snd_pcm *pcm = rtd->pcm;
+	int ret;
+
+	ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(33));
+	if (ret)
+		return ret;
+
+	return snd_pcm_lib_preallocate_pages_for_all(pcm,
+		SNDRV_DMA_TYPE_DEV, dev,
+		uniphier_aiodma_hw.buffer_bytes_max,
+		uniphier_aiodma_hw.buffer_bytes_max);
+}
+
+static void uniphier_aiodma_free(struct snd_pcm *pcm)
+{
+	snd_pcm_lib_preallocate_free_for_all(pcm);
+}
+
+static const struct snd_soc_component_driver uniphier_soc_platform = {
+	.pcm_new   = uniphier_aiodma_new,
+	.pcm_free  = uniphier_aiodma_free,
+	.ops       = &uniphier_aiodma_ops,
+	.compr_ops = &uniphier_aio_compr_ops,
+};
+
+static const struct regmap_config aiodma_regmap_config = {
+	.reg_bits      = 32,
+	.reg_stride    = 4,
+	.val_bits      = 32,
+	.max_register  = 0x7fffc,
+	.cache_type    = REGCACHE_NONE,
+};
+
+/**
+ * uniphier_aiodma_soc_register_platform - register the AIO DMA
+ * @pdev: the platform device
+ *
+ * Register and setup the DMA of AIO to transfer the sound data to device.
+ * This function need to call once at driver startup and need NOT to call
+ * unregister function.
+ *
+ * Return: Zero if successful, otherwise a negative value on error.
+ */
+int uniphier_aiodma_soc_register_platform(struct platform_device *pdev)
+{
+	struct uniphier_aio_chip *chip = platform_get_drvdata(pdev);
+	struct device *dev = &pdev->dev;
+	struct resource *res;
+	void __iomem *preg;
+	int irq, ret;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	preg = devm_ioremap_resource(dev, res);
+	if (IS_ERR(preg))
+		return PTR_ERR(preg);
+
+	chip->regmap = devm_regmap_init_mmio(dev, preg,
+					     &aiodma_regmap_config);
+	if (IS_ERR(chip->regmap))
+		return PTR_ERR(chip->regmap);
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		dev_err(dev, "Could not get irq.\n");
+		return irq;
+	}
+
+	ret = devm_request_irq(dev, irq, aiodma_irq,
+			       IRQF_SHARED, dev_name(dev), pdev);
+	if (ret)
+		return ret;
+
+	return devm_snd_soc_register_component(dev, &uniphier_soc_platform,
+					       NULL, 0);
+}
+EXPORT_SYMBOL_GPL(uniphier_aiodma_soc_register_platform);
diff --git a/sound/soc/uniphier/aio-ld11.c b/sound/soc/uniphier/aio-ld11.c
new file mode 100644
index 000000000..de962df24
--- /dev/null
+++ b/sound/soc/uniphier/aio-ld11.c
@@ -0,0 +1,418 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Socionext UniPhier AIO ALSA driver for LD11/LD20.
+//
+// Copyright (c) 2016-2018 Socionext Inc.
+
+#include <linux/module.h>
+
+#include "aio.h"
+
+static const struct uniphier_aio_spec uniphier_aio_ld11[] = {
+	/* for HDMI PCM In, Pin:AI1Dx */
+	{
+		.name = AUD_NAME_PCMIN1,
+		.gname = AUD_GNAME_HDMI,
+		.swm = {
+			.type  = PORT_TYPE_I2S,
+			.dir   = PORT_DIR_INPUT,
+			.rb    = { 21, 14, },
+			.ch    = { 21, 14, },
+			.iif   = { 5, 3, },
+			.iport = { 0, AUD_HW_PCMIN1, },
+		},
+	},
+
+	/* for SIF In, Pin:AI2Dx */
+	{
+		.name = AUD_NAME_PCMIN2,
+		.swm = {
+			.type  = PORT_TYPE_I2S,
+			.dir   = PORT_DIR_INPUT,
+			.rb    = { 22, 15, },
+			.ch    = { 22, 15, },
+			.iif   = { 6, 4, },
+			.iport = { 1, AUD_HW_PCMIN2, },
+		},
+	},
+
+	/* for Line In, Pin:AI3Dx */
+	{
+		.name = AUD_NAME_PCMIN3,
+		.gname = AUD_GNAME_LINE,
+		.swm = {
+			.type  = PORT_TYPE_EVE,
+			.dir   = PORT_DIR_INPUT,
+			.rb    = { 23, 16, },
+			.ch    = { 23, 16, },
+			.iif   = { 7, 5, },
+			.iport = { 2, AUD_HW_PCMIN3, },
+		},
+	},
+
+	/* for S/PDIF In, Pin:AI1IEC */
+	{
+		.name = AUD_NAME_IECIN1,
+		.gname = AUD_GNAME_IEC,
+		.swm = {
+			.type  = PORT_TYPE_SPDIF,
+			.dir   = PORT_DIR_INPUT,
+			.rb    = { 26, 17, },
+			.ch    = { 26, 17, },
+			.iif   = { 10, 6, },
+			.iport = { 3, AUD_HW_IECIN1, },
+		},
+	},
+
+	/* for Speaker, Pin:AO1Dx */
+	{
+		.name = AUD_NAME_HPCMOUT1,
+		.swm = {
+			.type  = PORT_TYPE_I2S,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 0, 0, },
+			.ch    = { 0, 0, },
+			.oif   = { 0, 0, },
+			.oport = { 0, AUD_HW_HPCMOUT1, },
+		},
+	},
+
+	/* for HDMI PCM, Pin:AO2Dx */
+	{
+		.name = AUD_NAME_PCMOUT1,
+		.gname = AUD_GNAME_HDMI,
+		.swm = {
+			.type  = PORT_TYPE_I2S,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 0, 0, },
+			.ch    = { 0, 0, },
+			.oif   = { 0, 0, },
+			.oport = { 3, AUD_HW_PCMOUT1, },
+		},
+	},
+
+	/* for Line Out, Pin:LO2_x */
+	{
+		.name = AUD_NAME_PCMOUT2,
+		.gname = AUD_GNAME_LINE,
+		.swm = {
+			.type  = PORT_TYPE_EVE,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 2, 2, },
+			.ch    = { 2, 2, },
+			.oif   = { 2, 2, },
+			.oport = { 1, AUD_HW_PCMOUT2, },
+		},
+	},
+
+	/* for Headphone, Pin:HP1_x */
+	{
+		.name = AUD_NAME_PCMOUT3,
+		.swm = {
+			.type  = PORT_TYPE_EVE,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 3, 3, },
+			.ch    = { 3, 3, },
+			.oif   = { 3, 3, },
+			.oport = { 2, AUD_HW_PCMOUT3, },
+		},
+	},
+
+	/* for HW Sampling Rate Converter */
+	{
+		.name = AUD_NAME_EPCMOUT2,
+		.swm = {
+			.type  = PORT_TYPE_CONV,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 7, 5, },
+			.ch    = { 7, 5, },
+			.oif   = { 7, 5, },
+			.oport = { 6, AUD_HW_EPCMOUT2, },
+			.och   = { 17, 12, },
+			.iif   = { 1, 1, },
+		},
+	},
+
+	/* for HW Sampling Rate Converter 2 */
+	{
+		.name = AUD_NAME_EPCMOUT3,
+		.swm = {
+			.type  = PORT_TYPE_CONV,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 8, 6, },
+			.ch    = { 8, 6, },
+			.oif   = { 8, 6, },
+			.oport = { 7, AUD_HW_EPCMOUT3, },
+			.och   = { 18, 13, },
+			.iif   = { 2, 2, },
+		},
+	},
+
+	/* for S/PDIF Out, Pin:AO1IEC */
+	{
+		.name = AUD_NAME_HIECOUT1,
+		.gname = AUD_GNAME_IEC,
+		.swm = {
+			.type  = PORT_TYPE_SPDIF,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 1, 1, },
+			.ch    = { 1, 1, },
+			.oif   = { 1, 1, },
+			.oport = { 12, AUD_HW_HIECOUT1, },
+		},
+	},
+
+	/* for S/PDIF Out, Pin:AO1IEC, Compress */
+	{
+		.name = AUD_NAME_HIECCOMPOUT1,
+		.gname = AUD_GNAME_IEC,
+		.swm = {
+			.type  = PORT_TYPE_SPDIF,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 1, 1, },
+			.ch    = { 1, 1, },
+			.oif   = { 1, 1, },
+			.oport = { 12, AUD_HW_HIECOUT1, },
+		},
+	},
+};
+
+static const struct uniphier_aio_pll uniphier_aio_pll_ld11[] = {
+	[AUD_PLL_A1]   = { .enable = true, },
+	[AUD_PLL_F1]   = { .enable = true, },
+	[AUD_PLL_A2]   = { .enable = true, },
+	[AUD_PLL_F2]   = { .enable = true, },
+	[AUD_PLL_APLL] = { .enable = true, },
+	[AUD_PLL_RX0]  = { .enable = true, },
+	[AUD_PLL_USB0] = { .enable = true, },
+	[AUD_PLL_HSC0] = { .enable = true, },
+};
+
+static int uniphier_aio_ld11_probe(struct snd_soc_dai *dai)
+{
+	int ret;
+
+	ret = uniphier_aio_dai_probe(dai);
+	if (ret < 0)
+		return ret;
+
+	ret = snd_soc_dai_set_pll(dai, AUD_PLL_A1, 0, 0, 36864000);
+	if (ret < 0)
+		return ret;
+	ret = snd_soc_dai_set_pll(dai, AUD_PLL_F1, 0, 0, 36864000);
+	if (ret < 0)
+		return ret;
+
+	ret = snd_soc_dai_set_pll(dai, AUD_PLL_A2, 0, 0, 33868800);
+	if (ret < 0)
+		return ret;
+	ret = snd_soc_dai_set_pll(dai, AUD_PLL_F2, 0, 0, 33868800);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
+static struct snd_soc_dai_driver uniphier_aio_dai_ld11[] = {
+	{
+		.name    = AUD_GNAME_HDMI,
+		.probe   = uniphier_aio_ld11_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.playback = {
+			.stream_name = AUD_NAME_PCMOUT1,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.capture = {
+			.stream_name = AUD_NAME_PCMIN1,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000 |
+				SNDRV_PCM_RATE_44100 |
+				SNDRV_PCM_RATE_32000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.ops = &uniphier_aio_i2s_ops,
+	},
+	{
+		.name    = AUD_NAME_PCMIN2,
+		.probe   = uniphier_aio_ld11_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.capture = {
+			.stream_name = AUD_NAME_PCMIN2,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.ops = &uniphier_aio_i2s_ops,
+	},
+	{
+		.name    = AUD_GNAME_LINE,
+		.probe   = uniphier_aio_ld11_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.playback = {
+			.stream_name = AUD_NAME_PCMOUT2,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.capture = {
+			.stream_name = AUD_NAME_PCMIN3,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.ops = &uniphier_aio_i2s_ops,
+	},
+	{
+		.name    = AUD_NAME_HPCMOUT1,
+		.probe   = uniphier_aio_ld11_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.playback = {
+			.stream_name = AUD_NAME_HPCMOUT1,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000,
+			.channels_min = 2,
+			.channels_max = 8,
+		},
+		.ops = &uniphier_aio_i2s_ops,
+	},
+	{
+		.name    = AUD_NAME_PCMOUT3,
+		.probe   = uniphier_aio_ld11_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.playback = {
+			.stream_name = AUD_NAME_PCMOUT3,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.ops = &uniphier_aio_i2s_ops,
+	},
+	{
+		.name    = AUD_NAME_HIECOUT1,
+		.probe   = uniphier_aio_ld11_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.playback = {
+			.stream_name = AUD_NAME_HIECOUT1,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.ops = &uniphier_aio_spdif_ops,
+	},
+	{
+		.name    = AUD_NAME_EPCMOUT2,
+		.probe   = uniphier_aio_ld11_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.playback = {
+			.stream_name = AUD_NAME_EPCMOUT2,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000 |
+				SNDRV_PCM_RATE_44100 |
+				SNDRV_PCM_RATE_32000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.ops = &uniphier_aio_i2s_ops,
+	},
+	{
+		.name    = AUD_NAME_EPCMOUT3,
+		.probe   = uniphier_aio_ld11_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.playback = {
+			.stream_name = AUD_NAME_EPCMOUT3,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000 |
+				SNDRV_PCM_RATE_44100 |
+				SNDRV_PCM_RATE_32000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.ops = &uniphier_aio_i2s_ops,
+	},
+	{
+		.name    = AUD_NAME_HIECCOMPOUT1,
+		.probe   = uniphier_aio_ld11_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.compress_new = snd_soc_new_compress,
+		.playback = {
+			.stream_name = AUD_NAME_HIECCOMPOUT1,
+			.channels_min = 1,
+			.channels_max = 1,
+		},
+		.ops = &uniphier_aio_spdif_ops,
+	},
+};
+
+static const struct uniphier_aio_chip_spec uniphier_aio_ld11_spec = {
+	.specs     = uniphier_aio_ld11,
+	.num_specs = ARRAY_SIZE(uniphier_aio_ld11),
+	.dais      = uniphier_aio_dai_ld11,
+	.num_dais  = ARRAY_SIZE(uniphier_aio_dai_ld11),
+	.plls      = uniphier_aio_pll_ld11,
+	.num_plls  = ARRAY_SIZE(uniphier_aio_pll_ld11),
+	.addr_ext  = 0,
+};
+
+static const struct uniphier_aio_chip_spec uniphier_aio_ld20_spec = {
+	.specs     = uniphier_aio_ld11,
+	.num_specs = ARRAY_SIZE(uniphier_aio_ld11),
+	.dais      = uniphier_aio_dai_ld11,
+	.num_dais  = ARRAY_SIZE(uniphier_aio_dai_ld11),
+	.plls      = uniphier_aio_pll_ld11,
+	.num_plls  = ARRAY_SIZE(uniphier_aio_pll_ld11),
+	.addr_ext  = 1,
+};
+
+static const struct of_device_id uniphier_aio_of_match[] = {
+	{
+		.compatible = "socionext,uniphier-ld11-aio",
+		.data = &uniphier_aio_ld11_spec,
+	},
+	{
+		.compatible = "socionext,uniphier-ld20-aio",
+		.data = &uniphier_aio_ld20_spec,
+	},
+	{},
+};
+MODULE_DEVICE_TABLE(of, uniphier_aio_of_match);
+
+static struct platform_driver uniphier_aio_driver = {
+	.driver = {
+		.name = "snd-uniphier-aio-ld11",
+		.of_match_table = of_match_ptr(uniphier_aio_of_match),
+	},
+	.probe    = uniphier_aio_probe,
+	.remove   = uniphier_aio_remove,
+};
+module_platform_driver(uniphier_aio_driver);
+
+MODULE_AUTHOR("Katsuhiro Suzuki <suzuki.katsuhiro@socionext.com>");
+MODULE_DESCRIPTION("UniPhier LD11/LD20 AIO driver.");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/uniphier/aio-pxs2.c b/sound/soc/uniphier/aio-pxs2.c
new file mode 100644
index 000000000..69cd5b0af
--- /dev/null
+++ b/sound/soc/uniphier/aio-pxs2.c
@@ -0,0 +1,320 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Socionext UniPhier AIO ALSA driver for PXs2.
+//
+// Copyright (c) 2018 Socionext Inc.
+
+#include <linux/module.h>
+
+#include "aio.h"
+
+static const struct uniphier_aio_spec uniphier_aio_pxs2[] = {
+	/* for Line PCM In, Pin:AI1Dx */
+	{
+		.name = AUD_NAME_PCMIN1,
+		.gname = AUD_GNAME_LINE,
+		.swm = {
+			.type  = PORT_TYPE_I2S,
+			.dir   = PORT_DIR_INPUT,
+			.rb    = { 16, 11, },
+			.ch    = { 16, 11, },
+			.iif   = { 0, 0, },
+			.iport = { 0, AUD_HW_PCMIN1, },
+		},
+	},
+
+	/* for Speaker/Headphone/Mic PCM In, Pin:AI2Dx */
+	{
+		.name = AUD_NAME_PCMIN2,
+		.gname = AUD_GNAME_AUX,
+		.swm = {
+			.type  = PORT_TYPE_I2S,
+			.dir   = PORT_DIR_INPUT,
+			.rb    = { 17, 12, },
+			.ch    = { 17, 12, },
+			.iif   = { 1, 1, },
+			.iport = { 1, AUD_HW_PCMIN2, },
+		},
+	},
+
+	/* for HDMI PCM Out, Pin:AO1Dx (inner) */
+	{
+		.name = AUD_NAME_HPCMOUT1,
+		.gname = AUD_GNAME_HDMI,
+		.swm = {
+			.type  = PORT_TYPE_I2S,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 0, 0, },
+			.ch    = { 0, 0, },
+			.oif   = { 0, 0, },
+			.oport = { 3, AUD_HW_HPCMOUT1, },
+		},
+	},
+
+	/* for Line PCM Out, Pin:AO2Dx */
+	{
+		.name = AUD_NAME_PCMOUT1,
+		.gname = AUD_GNAME_LINE,
+		.swm = {
+			.type  = PORT_TYPE_I2S,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 1, 1, },
+			.ch    = { 1, 1, },
+			.oif   = { 1, 1, },
+			.oport = { 0, AUD_HW_PCMOUT1, },
+		},
+	},
+
+	/* for Speaker/Headphone/Mic PCM Out, Pin:AO3Dx */
+	{
+		.name = AUD_NAME_PCMOUT2,
+		.gname = AUD_GNAME_AUX,
+		.swm = {
+			.type  = PORT_TYPE_I2S,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 2, 2, },
+			.ch    = { 2, 2, },
+			.oif   = { 2, 2, },
+			.oport = { 1, AUD_HW_PCMOUT2, },
+		},
+	},
+
+	/* for HDMI Out, Pin:AO1IEC */
+	{
+		.name = AUD_NAME_HIECOUT1,
+		.swm = {
+			.type  = PORT_TYPE_SPDIF,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 6, 4, },
+			.ch    = { 6, 4, },
+			.oif   = { 6, 4, },
+			.oport = { 12, AUD_HW_HIECOUT1, },
+		},
+	},
+
+	/* for HDMI Out, Pin:AO1IEC, Compress */
+	{
+		.name = AUD_NAME_HIECCOMPOUT1,
+		.swm = {
+			.type  = PORT_TYPE_SPDIF,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 6, 4, },
+			.ch    = { 6, 4, },
+			.oif   = { 6, 4, },
+			.oport = { 12, AUD_HW_HIECOUT1, },
+		},
+	},
+
+	/* for S/PDIF Out, Pin:AO2IEC */
+	{
+		.name = AUD_NAME_IECOUT1,
+		.swm = {
+			.type  = PORT_TYPE_SPDIF,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 7, 5, },
+			.ch    = { 7, 5, },
+			.oif   = { 7, 5, },
+			.oport = { 13, AUD_HW_IECOUT1, },
+		},
+	},
+
+	/* for S/PDIF Out, Pin:AO2IEC */
+	{
+		.name = AUD_NAME_IECCOMPOUT1,
+		.swm = {
+			.type  = PORT_TYPE_SPDIF,
+			.dir   = PORT_DIR_OUTPUT,
+			.rb    = { 7, 5, },
+			.ch    = { 7, 5, },
+			.oif   = { 7, 5, },
+			.oport = { 13, AUD_HW_IECOUT1, },
+		},
+	},
+};
+
+static const struct uniphier_aio_pll uniphier_aio_pll_pxs2[] = {
+	[AUD_PLL_A1]   = { .enable = true, },
+	[AUD_PLL_F1]   = { .enable = true, },
+	[AUD_PLL_A2]   = { .enable = true, },
+	[AUD_PLL_F2]   = { .enable = true, },
+	[AUD_PLL_APLL] = { .enable = true, },
+	[AUD_PLL_HSC0] = { .enable = true, },
+};
+
+static int uniphier_aio_pxs2_probe(struct snd_soc_dai *dai)
+{
+	int ret;
+
+	ret = uniphier_aio_dai_probe(dai);
+	if (ret < 0)
+		return ret;
+
+	ret = snd_soc_dai_set_pll(dai, AUD_PLL_A1, 0, 0, 36864000);
+	if (ret < 0)
+		return ret;
+	ret = snd_soc_dai_set_pll(dai, AUD_PLL_F1, 0, 0, 36864000);
+	if (ret < 0)
+		return ret;
+
+	ret = snd_soc_dai_set_pll(dai, AUD_PLL_A2, 0, 0, 33868800);
+	if (ret < 0)
+		return ret;
+	ret = snd_soc_dai_set_pll(dai, AUD_PLL_F2, 0, 0, 33868800);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
+static struct snd_soc_dai_driver uniphier_aio_dai_pxs2[] = {
+	{
+		.name    = AUD_GNAME_HDMI,
+		.probe   = uniphier_aio_pxs2_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.playback = {
+			.stream_name = AUD_NAME_HPCMOUT1,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.ops = &uniphier_aio_i2s_ops,
+	},
+	{
+		.name    = AUD_GNAME_LINE,
+		.probe   = uniphier_aio_pxs2_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.playback = {
+			.stream_name = AUD_NAME_PCMOUT1,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.capture = {
+			.stream_name = AUD_NAME_PCMIN1,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.ops = &uniphier_aio_i2s_ops,
+	},
+	{
+		.name    = AUD_GNAME_AUX,
+		.probe   = uniphier_aio_pxs2_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.playback = {
+			.stream_name = AUD_NAME_PCMOUT2,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.capture = {
+			.stream_name = AUD_NAME_PCMIN2,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.ops = &uniphier_aio_i2s_ops,
+	},
+	{
+		.name    = AUD_NAME_HIECOUT1,
+		.probe   = uniphier_aio_pxs2_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.playback = {
+			.stream_name = AUD_NAME_HIECOUT1,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.ops = &uniphier_aio_spdif_ops,
+	},
+	{
+		.name    = AUD_NAME_IECOUT1,
+		.probe   = uniphier_aio_pxs2_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.playback = {
+			.stream_name = AUD_NAME_IECOUT1,
+			.formats     = SNDRV_PCM_FMTBIT_S32_LE,
+			.rates       = SNDRV_PCM_RATE_48000,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.ops = &uniphier_aio_spdif_ops,
+	},
+	{
+		.name    = AUD_NAME_HIECCOMPOUT1,
+		.probe   = uniphier_aio_pxs2_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.compress_new = snd_soc_new_compress,
+		.playback = {
+			.stream_name = AUD_NAME_HIECCOMPOUT1,
+			.channels_min = 1,
+			.channels_max = 1,
+		},
+		.ops = &uniphier_aio_spdif_ops,
+	},
+	{
+		.name    = AUD_NAME_IECCOMPOUT1,
+		.probe   = uniphier_aio_pxs2_probe,
+		.remove  = uniphier_aio_dai_remove,
+		.suspend = uniphier_aio_dai_suspend,
+		.resume  = uniphier_aio_dai_resume,
+		.compress_new = snd_soc_new_compress,
+		.playback = {
+			.stream_name = AUD_NAME_IECCOMPOUT1,
+			.channels_min = 1,
+			.channels_max = 1,
+		},
+		.ops = &uniphier_aio_spdif_ops,
+	},
+};
+
+static const struct uniphier_aio_chip_spec uniphier_aio_pxs2_spec = {
+	.specs     = uniphier_aio_pxs2,
+	.num_specs = ARRAY_SIZE(uniphier_aio_pxs2),
+	.dais      = uniphier_aio_dai_pxs2,
+	.num_dais  = ARRAY_SIZE(uniphier_aio_dai_pxs2),
+	.plls      = uniphier_aio_pll_pxs2,
+	.num_plls  = ARRAY_SIZE(uniphier_aio_pll_pxs2),
+	.addr_ext  = 0,
+};
+
+static const struct of_device_id uniphier_aio_of_match[] = {
+	{
+		.compatible = "socionext,uniphier-pxs2-aio",
+		.data = &uniphier_aio_pxs2_spec,
+	},
+	{},
+};
+MODULE_DEVICE_TABLE(of, uniphier_aio_of_match);
+
+static struct platform_driver uniphier_aio_driver = {
+	.driver = {
+		.name = "snd-uniphier-aio-pxs2",
+		.of_match_table = of_match_ptr(uniphier_aio_of_match),
+	},
+	.probe    = uniphier_aio_probe,
+	.remove   = uniphier_aio_remove,
+};
+module_platform_driver(uniphier_aio_driver);
+
+MODULE_AUTHOR("Katsuhiro Suzuki <suzuki.katsuhiro@socionext.com>");
+MODULE_DESCRIPTION("UniPhier PXs2 AIO driver.");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/uniphier/aio-reg.h b/sound/soc/uniphier/aio-reg.h
new file mode 100644
index 000000000..734395dbc
--- /dev/null
+++ b/sound/soc/uniphier/aio-reg.h
@@ -0,0 +1,476 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Socionext UniPhier AIO ALSA driver.
+ *
+ * Copyright (c) 2016-2018 Socionext Inc.
+ */
+
+#ifndef SND_UNIPHIER_AIO_REG_H__
+#define SND_UNIPHIER_AIO_REG_H__
+
+#include <linux/bitops.h>
+
+/* soc-glue */
+#define SG_AOUTEN                       0x1c04
+
+/* SW view */
+#define A2CHNMAPCTR0(n)                 (0x00000 + 0x40 * (n))
+#define A2RBNMAPCTR0(n)                 (0x01000 + 0x40 * (n))
+#define A2IPORTNMAPCTR0(n)              (0x02000 + 0x40 * (n))
+#define A2IPORTNMAPCTR1(n)              (0x02004 + 0x40 * (n))
+#define A2IIFNMAPCTR0(n)                (0x03000 + 0x40 * (n))
+#define A2OPORTNMAPCTR0(n)              (0x04000 + 0x40 * (n))
+#define A2OPORTNMAPCTR1(n)              (0x04004 + 0x40 * (n))
+#define A2OPORTNMAPCTR2(n)              (0x04008 + 0x40 * (n))
+#define A2OIFNMAPCTR0(n)                (0x05000 + 0x40 * (n))
+#define A2ATNMAPCTR0(n)                 (0x06000 + 0x40 * (n))
+
+#define MAPCTR0_EN                      0x80000000
+
+/* CTL */
+#define A2APLLCTR0                      0x07000
+#define   A2APLLCTR0_APLLXPOW_MASK        GENMASK(3, 0)
+#define   A2APLLCTR0_APLLXPOW_PWOFF       (0x0 << 0)
+#define   A2APLLCTR0_APLLXPOW_PWON        (0xf << 0)
+#define A2APLLCTR1                      0x07004
+#define   A2APLLCTR1_APLLX_MASK           0x00010101
+#define   A2APLLCTR1_APLLX_36MHZ          0x00000000
+#define   A2APLLCTR1_APLLX_33MHZ          0x00000001
+#define A2EXMCLKSEL0                    0x07030
+#define   A2EXMCLKSEL0_EXMCLK_MASK        GENMASK(2, 0)
+#define   A2EXMCLKSEL0_EXMCLK_OUTPUT      (0x0 << 0)
+#define   A2EXMCLKSEL0_EXMCLK_INPUT       (0x7 << 0)
+#define A2SSIFSW                        0x07050
+#define A2CH22_2CTR                     0x07054
+#define A2AIOINPUTSEL                   0x070e0
+#define   A2AIOINPUTSEL_RXSEL_PCMI1_MASK      GENMASK(2, 0)
+#define   A2AIOINPUTSEL_RXSEL_PCMI1_HDMIRX1   (0x2 << 0)
+#define   A2AIOINPUTSEL_RXSEL_PCMI2_MASK      GENMASK(6, 4)
+#define   A2AIOINPUTSEL_RXSEL_PCMI2_SIF       (0x7 << 4)
+#define   A2AIOINPUTSEL_RXSEL_PCMI3_MASK      GENMASK(10, 8)
+#define   A2AIOINPUTSEL_RXSEL_PCMI3_EVEA      (0x1 << 8)
+#define   A2AIOINPUTSEL_RXSEL_IECI1_MASK      GENMASK(14, 12)
+#define   A2AIOINPUTSEL_RXSEL_IECI1_HDMIRX1   (0x2 << 12)
+#define   A2AIOINPUTSEL_RXSEL_MASK        (A2AIOINPUTSEL_RXSEL_PCMI1_MASK | \
+					   A2AIOINPUTSEL_RXSEL_PCMI2_MASK | \
+					   A2AIOINPUTSEL_RXSEL_PCMI3_MASK | \
+					   A2AIOINPUTSEL_RXSEL_IECI1_HDMIRX1)
+
+/* INTC */
+#define INTCHIM(m)                       (0x9028 + 0x80 * (m))
+#define INTRBIM(m)                       (0x9030 + 0x80 * (m))
+#define INTCHID(m)                       (0xa028 + 0x80 * (m))
+#define INTRBID(m)                       (0xa030 + 0x80 * (m))
+
+/* AIN(PCMINN) */
+#define IPORTMXCTR1(n)                   (0x22000 + 0x400 * (n))
+#define   IPORTMXCTR1_LRSEL_MASK           GENMASK(11, 10)
+#define   IPORTMXCTR1_LRSEL_RIGHT          (0x0 << 10)
+#define   IPORTMXCTR1_LRSEL_LEFT           (0x1 << 10)
+#define   IPORTMXCTR1_LRSEL_I2S            (0x2 << 10)
+#define   IPORTMXCTR1_OUTBITSEL_MASK       (0x800003U << 8)
+#define   IPORTMXCTR1_OUTBITSEL_32         (0x800000U << 8)
+#define   IPORTMXCTR1_OUTBITSEL_24         (0x000000U << 8)
+#define   IPORTMXCTR1_OUTBITSEL_20         (0x000001U << 8)
+#define   IPORTMXCTR1_OUTBITSEL_16         (0x000002U << 8)
+#define   IPORTMXCTR1_CHSEL_MASK           GENMASK(6, 4)
+#define   IPORTMXCTR1_CHSEL_ALL            (0x0 << 4)
+#define   IPORTMXCTR1_CHSEL_D0_D2          (0x1 << 4)
+#define   IPORTMXCTR1_CHSEL_D0             (0x2 << 4)
+#define   IPORTMXCTR1_CHSEL_D1             (0x3 << 4)
+#define   IPORTMXCTR1_CHSEL_D2             (0x4 << 4)
+#define   IPORTMXCTR1_CHSEL_DMIX           (0x5 << 4)
+#define   IPORTMXCTR1_FSSEL_MASK           GENMASK(3, 0)
+#define   IPORTMXCTR1_FSSEL_48             (0x0 << 0)
+#define   IPORTMXCTR1_FSSEL_96             (0x1 << 0)
+#define   IPORTMXCTR1_FSSEL_192            (0x2 << 0)
+#define   IPORTMXCTR1_FSSEL_32             (0x3 << 0)
+#define   IPORTMXCTR1_FSSEL_44_1           (0x4 << 0)
+#define   IPORTMXCTR1_FSSEL_88_2           (0x5 << 0)
+#define   IPORTMXCTR1_FSSEL_176_4          (0x6 << 0)
+#define   IPORTMXCTR1_FSSEL_16             (0x8 << 0)
+#define   IPORTMXCTR1_FSSEL_22_05          (0x9 << 0)
+#define   IPORTMXCTR1_FSSEL_24             (0xa << 0)
+#define   IPORTMXCTR1_FSSEL_8              (0xb << 0)
+#define   IPORTMXCTR1_FSSEL_11_025         (0xc << 0)
+#define   IPORTMXCTR1_FSSEL_12             (0xd << 0)
+#define IPORTMXCTR2(n)                   (0x22004 + 0x400 * (n))
+#define   IPORTMXCTR2_ACLKSEL_MASK         GENMASK(19, 16)
+#define   IPORTMXCTR2_ACLKSEL_A1           (0x0 << 16)
+#define   IPORTMXCTR2_ACLKSEL_F1           (0x1 << 16)
+#define   IPORTMXCTR2_ACLKSEL_A2           (0x2 << 16)
+#define   IPORTMXCTR2_ACLKSEL_F2           (0x3 << 16)
+#define   IPORTMXCTR2_ACLKSEL_A2PLL        (0x4 << 16)
+#define   IPORTMXCTR2_ACLKSEL_RX1          (0x5 << 16)
+#define   IPORTMXCTR2_ACLKSEL_RX2          (0x6 << 16)
+#define   IPORTMXCTR2_MSSEL_MASK           BIT(15)
+#define   IPORTMXCTR2_MSSEL_SLAVE          (0x0 << 15)
+#define   IPORTMXCTR2_MSSEL_MASTER         (0x1 << 15)
+#define   IPORTMXCTR2_EXTLSIFSSEL_MASK     BIT(14)
+#define   IPORTMXCTR2_EXTLSIFSSEL_36       (0x0 << 14)
+#define   IPORTMXCTR2_EXTLSIFSSEL_24       (0x1 << 14)
+#define   IPORTMXCTR2_DACCKSEL_MASK        GENMASK(9, 8)
+#define   IPORTMXCTR2_DACCKSEL_1_2         (0x0 << 8)
+#define   IPORTMXCTR2_DACCKSEL_1_3         (0x1 << 8)
+#define   IPORTMXCTR2_DACCKSEL_1_1         (0x2 << 8)
+#define   IPORTMXCTR2_DACCKSEL_2_3         (0x3 << 8)
+#define   IPORTMXCTR2_REQEN_MASK           BIT(0)
+#define   IPORTMXCTR2_REQEN_DISABLE        (0x0 << 0)
+#define   IPORTMXCTR2_REQEN_ENABLE         (0x1 << 0)
+#define IPORTMXCNTCTR(n)                 (0x22010 + 0x400 * (n))
+#define IPORTMXCOUNTER(n)                (0x22014 + 0x400 * (n))
+#define IPORTMXCNTMONI(n)                (0x22018 + 0x400 * (n))
+#define IPORTMXACLKSEL0EX(n)             (0x22020 + 0x400 * (n))
+#define   IPORTMXACLKSEL0EX_ACLKSEL0EX_MASK        GENMASK(3, 0)
+#define   IPORTMXACLKSEL0EX_ACLKSEL0EX_INTERNAL    (0x0 << 0)
+#define   IPORTMXACLKSEL0EX_ACLKSEL0EX_EXTERNAL    (0xf << 0)
+#define IPORTMXEXNOE(n)                  (0x22070 + 0x400 * (n))
+#define   IPORTMXEXNOE_PCMINOE_MASK        BIT(0)
+#define   IPORTMXEXNOE_PCMINOE_OUTPUT      (0x0 << 0)
+#define   IPORTMXEXNOE_PCMINOE_INPUT       (0x1 << 0)
+#define IPORTMXMASK(n)                   (0x22078 + 0x400 * (n))
+#define   IPORTMXMASK_IUXCKMSK_MASK        GENMASK(18, 16)
+#define   IPORTMXMASK_IUXCKMSK_ON          (0x0 << 16)
+#define   IPORTMXMASK_IUXCKMSK_OFF         (0x7 << 16)
+#define   IPORTMXMASK_XCKMSK_MASK          GENMASK(2, 0)
+#define   IPORTMXMASK_XCKMSK_ON            (0x0 << 0)
+#define   IPORTMXMASK_XCKMSK_OFF           (0x7 << 0)
+#define IPORTMXRSTCTR(n)                 (0x2207c + 0x400 * (n))
+#define   IPORTMXRSTCTR_RSTPI_MASK         BIT(7)
+#define   IPORTMXRSTCTR_RSTPI_RELEASE      (0x0 << 7)
+#define   IPORTMXRSTCTR_RSTPI_RESET        (0x1 << 7)
+
+/* AIN(PBinMX) */
+#define PBINMXCTR(n)                     (0x20200 + 0x40 * (n))
+#define   PBINMXCTR_NCONNECT_MASK          BIT(15)
+#define   PBINMXCTR_NCONNECT_CONNECT       (0x0 << 15)
+#define   PBINMXCTR_NCONNECT_DISCONNECT    (0x1 << 15)
+#define   PBINMXCTR_INOUTSEL_MASK          BIT(14)
+#define   PBINMXCTR_INOUTSEL_IN            (0x0 << 14)
+#define   PBINMXCTR_INOUTSEL_OUT           (0x1 << 14)
+#define   PBINMXCTR_PBINSEL_SHIFT          (8)
+#define   PBINMXCTR_ENDIAN_MASK            GENMASK(5, 4)
+#define   PBINMXCTR_ENDIAN_3210            (0x0 << 4)
+#define   PBINMXCTR_ENDIAN_0123            (0x1 << 4)
+#define   PBINMXCTR_ENDIAN_1032            (0x2 << 4)
+#define   PBINMXCTR_ENDIAN_2301            (0x3 << 4)
+#define   PBINMXCTR_MEMFMT_MASK            GENMASK(3, 0)
+#define   PBINMXCTR_MEMFMT_D0              (0x0 << 0)
+#define   PBINMXCTR_MEMFMT_5_1CH_DMIX      (0x1 << 0)
+#define   PBINMXCTR_MEMFMT_6CH             (0x2 << 0)
+#define   PBINMXCTR_MEMFMT_4CH             (0x3 << 0)
+#define   PBINMXCTR_MEMFMT_DMIX            (0x4 << 0)
+#define   PBINMXCTR_MEMFMT_1CH             (0x5 << 0)
+#define   PBINMXCTR_MEMFMT_16LR            (0x6 << 0)
+#define   PBINMXCTR_MEMFMT_7_1CH           (0x7 << 0)
+#define   PBINMXCTR_MEMFMT_7_1CH_DMIX      (0x8 << 0)
+#define   PBINMXCTR_MEMFMT_STREAM          (0xf << 0)
+#define PBINMXPAUSECTR0(n)               (0x20204 + 0x40 * (n))
+#define PBINMXPAUSECTR1(n)               (0x20208 + 0x40 * (n))
+
+/* AOUT */
+#define AOUTFADECTR0                     0x40020
+#define AOUTENCTR0                       0x40040
+#define AOUTENCTR1                       0x40044
+#define AOUTENCTR2                       0x40048
+#define AOUTRSTCTR0                      0x40060
+#define AOUTRSTCTR1                      0x40064
+#define AOUTRSTCTR2                      0x40068
+#define AOUTSRCRSTCTR0                   0x400c0
+#define AOUTSRCRSTCTR1                   0x400c4
+#define AOUTSRCRSTCTR2                   0x400c8
+
+/* AOUT PCMOUT has 5 slots, slot0-3: D0-3, slot4: DMIX */
+#define OPORT_SLOT_MAX                     5
+
+/* AOUT(PCMOUTN) */
+#define OPORTMXCTR1(n)                   (0x42000 + 0x400 * (n))
+#define   OPORTMXCTR1_I2SLRSEL_MASK        (0x11 << 10)
+#define   OPORTMXCTR1_I2SLRSEL_RIGHT       (0x00 << 10)
+#define   OPORTMXCTR1_I2SLRSEL_LEFT        (0x01 << 10)
+#define   OPORTMXCTR1_I2SLRSEL_I2S         (0x11 << 10)
+#define   OPORTMXCTR1_OUTBITSEL_MASK       (0x800003U << 8)
+#define   OPORTMXCTR1_OUTBITSEL_32         (0x800000U << 8)
+#define   OPORTMXCTR1_OUTBITSEL_24         (0x000000U << 8)
+#define   OPORTMXCTR1_OUTBITSEL_20         (0x000001U << 8)
+#define   OPORTMXCTR1_OUTBITSEL_16         (0x000002U << 8)
+#define   OPORTMXCTR1_FSSEL_MASK           GENMASK(3, 0)
+#define   OPORTMXCTR1_FSSEL_48             (0x0 << 0)
+#define   OPORTMXCTR1_FSSEL_96             (0x1 << 0)
+#define   OPORTMXCTR1_FSSEL_192            (0x2 << 0)
+#define   OPORTMXCTR1_FSSEL_32             (0x3 << 0)
+#define   OPORTMXCTR1_FSSEL_44_1           (0x4 << 0)
+#define   OPORTMXCTR1_FSSEL_88_2           (0x5 << 0)
+#define   OPORTMXCTR1_FSSEL_176_4          (0x6 << 0)
+#define   OPORTMXCTR1_FSSEL_16             (0x8 << 0)
+#define   OPORTMXCTR1_FSSEL_22_05          (0x9 << 0)
+#define   OPORTMXCTR1_FSSEL_24             (0xa << 0)
+#define   OPORTMXCTR1_FSSEL_8              (0xb << 0)
+#define   OPORTMXCTR1_FSSEL_11_025         (0xc << 0)
+#define   OPORTMXCTR1_FSSEL_12             (0xd << 0)
+#define OPORTMXCTR2(n)                   (0x42004 + 0x400 * (n))
+#define   OPORTMXCTR2_ACLKSEL_MASK         GENMASK(19, 16)
+#define   OPORTMXCTR2_ACLKSEL_A1           (0x0 << 16)
+#define   OPORTMXCTR2_ACLKSEL_F1           (0x1 << 16)
+#define   OPORTMXCTR2_ACLKSEL_A2           (0x2 << 16)
+#define   OPORTMXCTR2_ACLKSEL_F2           (0x3 << 16)
+#define   OPORTMXCTR2_ACLKSEL_A2PLL        (0x4 << 16)
+#define   OPORTMXCTR2_ACLKSEL_RX1          (0x5 << 16)
+#define   OPORTMXCTR2_ACLKSEL_RX2          (0x6 << 16)
+#define   OPORTMXCTR2_MSSEL_MASK           BIT(15)
+#define   OPORTMXCTR2_MSSEL_SLAVE          (0x0 << 15)
+#define   OPORTMXCTR2_MSSEL_MASTER         (0x1 << 15)
+#define   OPORTMXCTR2_EXTLSIFSSEL_MASK     BIT(14)
+#define   OPORTMXCTR2_EXTLSIFSSEL_36       (0x0 << 14)
+#define   OPORTMXCTR2_EXTLSIFSSEL_24       (0x1 << 14)
+#define   OPORTMXCTR2_DACCKSEL_MASK        GENMASK(9, 8)
+#define   OPORTMXCTR2_DACCKSEL_1_2         (0x0 << 8)
+#define   OPORTMXCTR2_DACCKSEL_1_3         (0x1 << 8)
+#define   OPORTMXCTR2_DACCKSEL_1_1         (0x2 << 8)
+#define   OPORTMXCTR2_DACCKSEL_2_3         (0x3 << 8)
+#define OPORTMXCTR3(n)                   (0x42008 + 0x400 * (n))
+#define   OPORTMXCTR3_IECTHUR_MASK         BIT(19)
+#define   OPORTMXCTR3_IECTHUR_IECOUT       (0x0 << 19)
+#define   OPORTMXCTR3_IECTHUR_IECIN        (0x1 << 19)
+#define   OPORTMXCTR3_SRCSEL_MASK          GENMASK(18, 16)
+#define   OPORTMXCTR3_SRCSEL_PCM           (0x0 << 16)
+#define   OPORTMXCTR3_SRCSEL_STREAM        (0x1 << 16)
+#define   OPORTMXCTR3_SRCSEL_CDDTS         (0x2 << 16)
+#define   OPORTMXCTR3_VALID_MASK           BIT(12)
+#define   OPORTMXCTR3_VALID_PCM            (0x0 << 12)
+#define   OPORTMXCTR3_VALID_STREAM         (0x1 << 12)
+#define   OPORTMXCTR3_PMSEL_MASK           BIT(3)
+#define   OPORTMXCTR3_PMSEL_MUTE           (0x0 << 3)
+#define   OPORTMXCTR3_PMSEL_PAUSE          (0x1 << 3)
+#define   OPORTMXCTR3_PMSW_MASK            BIT(2)
+#define   OPORTMXCTR3_PMSW_MUTE_OFF        (0x0 << 2)
+#define   OPORTMXCTR3_PMSW_MUTE_ON         (0x1 << 2)
+#define OPORTMXSRC1CTR(n)                (0x4200c + 0x400 * (n))
+#define   OPORTMXSRC1CTR_FSIIPNUM_SHIFT    (24)
+#define   OPORTMXSRC1CTR_THMODE_MASK       BIT(23)
+#define   OPORTMXSRC1CTR_THMODE_SRC        (0x0 << 23)
+#define   OPORTMXSRC1CTR_THMODE_BYPASS     (0x1 << 23)
+#define   OPORTMXSRC1CTR_LOCK_MASK         BIT(16)
+#define   OPORTMXSRC1CTR_LOCK_UNLOCK       (0x0 << 16)
+#define   OPORTMXSRC1CTR_LOCK_LOCK         (0x1 << 16)
+#define   OPORTMXSRC1CTR_SRCPATH_MASK      BIT(15)
+#define   OPORTMXSRC1CTR_SRCPATH_BYPASS    (0x0 << 15)
+#define   OPORTMXSRC1CTR_SRCPATH_CALC      (0x1 << 15)
+#define   OPORTMXSRC1CTR_SYNC_MASK         BIT(14)
+#define   OPORTMXSRC1CTR_SYNC_ASYNC        (0x0 << 14)
+#define   OPORTMXSRC1CTR_SYNC_SYNC         (0x1 << 14)
+#define   OPORTMXSRC1CTR_FSOCK_MASK        GENMASK(11, 10)
+#define   OPORTMXSRC1CTR_FSOCK_44_1        (0x0 << 10)
+#define   OPORTMXSRC1CTR_FSOCK_48          (0x1 << 10)
+#define   OPORTMXSRC1CTR_FSOCK_32          (0x2 << 10)
+#define   OPORTMXSRC1CTR_FSICK_MASK        GENMASK(9, 8)
+#define   OPORTMXSRC1CTR_FSICK_44_1        (0x0 << 8)
+#define   OPORTMXSRC1CTR_FSICK_48          (0x1 << 8)
+#define   OPORTMXSRC1CTR_FSICK_32          (0x2 << 8)
+#define   OPORTMXSRC1CTR_FSIIPSEL_MASK     GENMASK(5, 4)
+#define   OPORTMXSRC1CTR_FSIIPSEL_INNER    (0x0 << 4)
+#define   OPORTMXSRC1CTR_FSIIPSEL_OUTER    (0x1 << 4)
+#define   OPORTMXSRC1CTR_FSISEL_MASK       GENMASK(3, 0)
+#define   OPORTMXSRC1CTR_FSISEL_ACLK       (0x0 << 0)
+#define   OPORTMXSRC1CTR_FSISEL_DD         (0x1 << 0)
+#define OPORTMXDSDMUTEDAT(n)             (0x42020 + 0x400 * (n))
+#define OPORTMXDXDFREQMODE(n)            (0x42024 + 0x400 * (n))
+#define OPORTMXDSDSEL(n)                 (0x42028 + 0x400 * (n))
+#define OPORTMXDSDPORT(n)                (0x4202c + 0x400 * (n))
+#define OPORTMXACLKSEL0EX(n)             (0x42030 + 0x400 * (n))
+#define OPORTMXPATH(n)                   (0x42040 + 0x400 * (n))
+#define OPORTMXSYNC(n)                   (0x42044 + 0x400 * (n))
+#define OPORTMXREPET(n)                  (0x42050 + 0x400 * (n))
+#define   OPORTMXREPET_STRLENGTH_AC3       SBF_(IEC61937_FRM_STR_AC3, 16)
+#define   OPORTMXREPET_STRLENGTH_MPA       SBF_(IEC61937_FRM_STR_MPA, 16)
+#define   OPORTMXREPET_STRLENGTH_MP3       SBF_(IEC61937_FRM_STR_MP3, 16)
+#define   OPORTMXREPET_STRLENGTH_DTS1      SBF_(IEC61937_FRM_STR_DTS1, 16)
+#define   OPORTMXREPET_STRLENGTH_DTS2      SBF_(IEC61937_FRM_STR_DTS2, 16)
+#define   OPORTMXREPET_STRLENGTH_DTS3      SBF_(IEC61937_FRM_STR_DTS3, 16)
+#define   OPORTMXREPET_STRLENGTH_AAC       SBF_(IEC61937_FRM_STR_AAC, 16)
+#define   OPORTMXREPET_PMLENGTH_AC3        SBF_(IEC61937_FRM_PAU_AC3, 0)
+#define   OPORTMXREPET_PMLENGTH_MPA        SBF_(IEC61937_FRM_PAU_MPA, 0)
+#define   OPORTMXREPET_PMLENGTH_MP3        SBF_(IEC61937_FRM_PAU_MP3, 0)
+#define   OPORTMXREPET_PMLENGTH_DTS1       SBF_(IEC61937_FRM_PAU_DTS1, 0)
+#define   OPORTMXREPET_PMLENGTH_DTS2       SBF_(IEC61937_FRM_PAU_DTS2, 0)
+#define   OPORTMXREPET_PMLENGTH_DTS3       SBF_(IEC61937_FRM_PAU_DTS3, 0)
+#define   OPORTMXREPET_PMLENGTH_AAC        SBF_(IEC61937_FRM_PAU_AAC, 0)
+#define OPORTMXPAUDAT(n)                 (0x42054 + 0x400 * (n))
+#define   OPORTMXPAUDAT_PAUSEPC_CMN        (IEC61937_PC_PAUSE << 16)
+#define   OPORTMXPAUDAT_PAUSEPD_AC3        (IEC61937_FRM_PAU_AC3 * 4)
+#define   OPORTMXPAUDAT_PAUSEPD_MPA        (IEC61937_FRM_PAU_MPA * 4)
+#define   OPORTMXPAUDAT_PAUSEPD_MP3        (IEC61937_FRM_PAU_MP3 * 4)
+#define   OPORTMXPAUDAT_PAUSEPD_DTS1       (IEC61937_FRM_PAU_DTS1 * 4)
+#define   OPORTMXPAUDAT_PAUSEPD_DTS2       (IEC61937_FRM_PAU_DTS2 * 4)
+#define   OPORTMXPAUDAT_PAUSEPD_DTS3       (IEC61937_FRM_PAU_DTS3 * 4)
+#define   OPORTMXPAUDAT_PAUSEPD_AAC        (IEC61937_FRM_PAU_AAC * 4)
+#define OPORTMXRATE_I(n)                 (0x420e4 + 0x400 * (n))
+#define   OPORTMXRATE_I_EQU_MASK           BIT(31)
+#define   OPORTMXRATE_I_EQU_NOTEQUAL       (0x0 << 31)
+#define   OPORTMXRATE_I_EQU_EQUAL          (0x1 << 31)
+#define   OPORTMXRATE_I_SRCBPMD_MASK       BIT(29)
+#define   OPORTMXRATE_I_SRCBPMD_BYPASS     (0x0 << 29)
+#define   OPORTMXRATE_I_SRCBPMD_SRC        (0x1 << 29)
+#define   OPORTMXRATE_I_LRCKSTP_MASK       BIT(24)
+#define   OPORTMXRATE_I_LRCKSTP_START      (0x0 << 24)
+#define   OPORTMXRATE_I_LRCKSTP_STOP       (0x1 << 24)
+#define   OPORTMXRATE_I_ACLKSRC_MASK       GENMASK(15, 12)
+#define   OPORTMXRATE_I_ACLKSRC_APLL       (0x0 << 12)
+#define   OPORTMXRATE_I_ACLKSRC_USB        (0x1 << 12)
+#define   OPORTMXRATE_I_ACLKSRC_HSC        (0x3 << 12)
+/* if OPORTMXRATE_I_ACLKSRC_APLL */
+#define   OPORTMXRATE_I_ACLKSEL_MASK       GENMASK(11, 8)
+#define   OPORTMXRATE_I_ACLKSEL_APLLA1     (0x0 << 8)
+#define   OPORTMXRATE_I_ACLKSEL_APLLF1     (0x1 << 8)
+#define   OPORTMXRATE_I_ACLKSEL_APLLA2     (0x2 << 8)
+#define   OPORTMXRATE_I_ACLKSEL_APLLF2     (0x3 << 8)
+#define   OPORTMXRATE_I_ACLKSEL_APLL       (0x4 << 8)
+#define   OPORTMXRATE_I_ACLKSEL_HDMI1      (0x5 << 8)
+#define   OPORTMXRATE_I_ACLKSEL_HDMI2      (0x6 << 8)
+#define   OPORTMXRATE_I_ACLKSEL_AI1ADCCK   (0xc << 8)
+#define   OPORTMXRATE_I_ACLKSEL_AI2ADCCK   (0xd << 8)
+#define   OPORTMXRATE_I_ACLKSEL_AI3ADCCK   (0xe << 8)
+#define   OPORTMXRATE_I_MCKSEL_MASK        GENMASK(7, 4)
+#define   OPORTMXRATE_I_MCKSEL_36          (0x0 << 4)
+#define   OPORTMXRATE_I_MCKSEL_33          (0x1 << 4)
+#define   OPORTMXRATE_I_MCKSEL_HSC27       (0xb << 4)
+#define   OPORTMXRATE_I_FSSEL_MASK         GENMASK(3, 0)
+#define   OPORTMXRATE_I_FSSEL_48           (0x0 << 0)
+#define   OPORTMXRATE_I_FSSEL_96           (0x1 << 0)
+#define   OPORTMXRATE_I_FSSEL_192          (0x2 << 0)
+#define   OPORTMXRATE_I_FSSEL_32           (0x3 << 0)
+#define   OPORTMXRATE_I_FSSEL_44_1         (0x4 << 0)
+#define   OPORTMXRATE_I_FSSEL_88_2         (0x5 << 0)
+#define   OPORTMXRATE_I_FSSEL_176_4        (0x6 << 0)
+#define   OPORTMXRATE_I_FSSEL_16           (0x8 << 0)
+#define   OPORTMXRATE_I_FSSEL_22_05        (0x9 << 0)
+#define   OPORTMXRATE_I_FSSEL_24           (0xa << 0)
+#define   OPORTMXRATE_I_FSSEL_8            (0xb << 0)
+#define   OPORTMXRATE_I_FSSEL_11_025       (0xc << 0)
+#define   OPORTMXRATE_I_FSSEL_12           (0xd << 0)
+#define OPORTMXEXNOE(n)                  (0x420f0 + 0x400 * (n))
+#define OPORTMXMASK(n)                   (0x420f8 + 0x400 * (n))
+#define   OPORTMXMASK_IUDXMSK_MASK         GENMASK(28, 24)
+#define   OPORTMXMASK_IUDXMSK_ON           (0x00 << 24)
+#define   OPORTMXMASK_IUDXMSK_OFF          (0x1f << 24)
+#define   OPORTMXMASK_IUXCKMSK_MASK        GENMASK(18, 16)
+#define   OPORTMXMASK_IUXCKMSK_ON          (0x0 << 16)
+#define   OPORTMXMASK_IUXCKMSK_OFF         (0x7 << 16)
+#define   OPORTMXMASK_DXMSK_MASK           GENMASK(12, 8)
+#define   OPORTMXMASK_DXMSK_ON             (0x00 << 8)
+#define   OPORTMXMASK_DXMSK_OFF            (0x1f << 8)
+#define   OPORTMXMASK_XCKMSK_MASK          GENMASK(2, 0)
+#define   OPORTMXMASK_XCKMSK_ON            (0x0 << 0)
+#define   OPORTMXMASK_XCKMSK_OFF           (0x7 << 0)
+#define OPORTMXDEBUG(n)                  (0x420fc + 0x400 * (n))
+#define OPORTMXTYVOLPARA1(n, m)          (0x42100 + 0x400 * (n) + 0x20 * (m))
+#define   OPORTMXTYVOLPARA1_SLOPEU_MASK    GENMASK(31, 16)
+#define OPORTMXTYVOLPARA2(n, m)          (0x42104 + 0x400 * (n) + 0x20 * (m))
+#define   OPORTMXTYVOLPARA2_FADE_MASK      GENMASK(17, 16)
+#define   OPORTMXTYVOLPARA2_FADE_NOOP      (0x0 << 16)
+#define   OPORTMXTYVOLPARA2_FADE_FADEOUT   (0x1 << 16)
+#define   OPORTMXTYVOLPARA2_FADE_FADEIN    (0x2 << 16)
+#define   OPORTMXTYVOLPARA2_TARGET_MASK    GENMASK(15, 0)
+#define OPORTMXTYVOLGAINSTATUS(n, m)     (0x42108 + 0x400 * (n) + 0x20 * (m))
+#define   OPORTMXTYVOLGAINSTATUS_CUR_MASK  GENMASK(15, 0)
+#define OPORTMXTYSLOTCTR(n, m)           (0x42114 + 0x400 * (n) + 0x20 * (m))
+#define   OPORTMXTYSLOTCTR_MODE            BIT(15)
+#define   OPORTMXTYSLOTCTR_SLOTSEL_MASK    GENMASK(11, 8)
+#define   OPORTMXTYSLOTCTR_SLOTSEL_SLOT0   (0x8 << 8)
+#define   OPORTMXTYSLOTCTR_SLOTSEL_SLOT1   (0x9 << 8)
+#define   OPORTMXTYSLOTCTR_SLOTSEL_SLOT2   (0xa << 8)
+#define   OPORTMXTYSLOTCTR_SLOTSEL_SLOT3   (0xb << 8)
+#define   OPORTMXTYSLOTCTR_SLOTSEL_SLOT4   (0xc << 8)
+#define   OPORTMXT0SLOTCTR_MUTEOFF_MASK    BIT(1)
+#define   OPORTMXT0SLOTCTR_MUTEOFF_MUTE    (0x0 << 1)
+#define   OPORTMXT0SLOTCTR_MUTEOFF_UNMUTE  (0x1 << 1)
+#define OPORTMXTYRSTCTR(n, m)            (0x4211c + 0x400 * (n) + 0x20 * (m))
+#define   OPORTMXT0RSTCTR_RST_MASK         BIT(1)
+#define   OPORTMXT0RSTCTR_RST_OFF          (0x0 << 1)
+#define   OPORTMXT0RSTCTR_RST_ON           (0x1 << 1)
+
+#define SBF_(frame, shift)    (((frame) * 2 - 1) << shift)
+
+/* AOUT(PBoutMX) */
+#define PBOUTMXCTR0(n)                   (0x40200 + 0x40 * (n))
+#define   PBOUTMXCTR0_ENDIAN_MASK         GENMASK(5, 4)
+#define   PBOUTMXCTR0_ENDIAN_3210         (0x0 << 4)
+#define   PBOUTMXCTR0_ENDIAN_0123         (0x1 << 4)
+#define   PBOUTMXCTR0_ENDIAN_1032         (0x2 << 4)
+#define   PBOUTMXCTR0_ENDIAN_2301         (0x3 << 4)
+#define   PBOUTMXCTR0_MEMFMT_MASK         GENMASK(3, 0)
+#define   PBOUTMXCTR0_MEMFMT_10CH         (0x0 << 0)
+#define   PBOUTMXCTR0_MEMFMT_8CH          (0x1 << 0)
+#define   PBOUTMXCTR0_MEMFMT_6CH          (0x2 << 0)
+#define   PBOUTMXCTR0_MEMFMT_4CH          (0x3 << 0)
+#define   PBOUTMXCTR0_MEMFMT_2CH          (0x4 << 0)
+#define   PBOUTMXCTR0_MEMFMT_STREAM       (0x5 << 0)
+#define   PBOUTMXCTR0_MEMFMT_1CH          (0x6 << 0)
+#define PBOUTMXCTR1(n)                   (0x40204 + 0x40 * (n))
+#define PBOUTMXINTCTR(n)                 (0x40208 + 0x40 * (n))
+
+/* A2D(subsystem) */
+#define CDA2D_STRT0                      0x10000
+#define   CDA2D_STRT0_STOP_MASK            BIT(31)
+#define   CDA2D_STRT0_STOP_START           (0x0 << 31)
+#define   CDA2D_STRT0_STOP_STOP            (0x1 << 31)
+#define CDA2D_STAT0                      0x10020
+#define CDA2D_TEST                       0x100a0
+#define   CDA2D_TEST_DDR_MODE_MASK         GENMASK(3, 2)
+#define   CDA2D_TEST_DDR_MODE_EXTON0       (0x0 << 2)
+#define   CDA2D_TEST_DDR_MODE_EXTOFF1      (0x3 << 2)
+#define CDA2D_STRTADRSLOAD               0x100b0
+
+#define CDA2D_CHMXCTRL1(n)               (0x12000 + 0x80 * (n))
+#define   CDA2D_CHMXCTRL1_INDSIZE_MASK     BIT(0)
+#define   CDA2D_CHMXCTRL1_INDSIZE_FINITE   (0x0 << 0)
+#define   CDA2D_CHMXCTRL1_INDSIZE_INFINITE (0x1 << 0)
+#define CDA2D_CHMXCTRL2(n)               (0x12004 + 0x80 * (n))
+#define CDA2D_CHMXSRCAMODE(n)            (0x12020 + 0x80 * (n))
+#define CDA2D_CHMXDSTAMODE(n)            (0x12024 + 0x80 * (n))
+#define   CDA2D_CHMXAMODE_ENDIAN_MASK      GENMASK(17, 16)
+#define   CDA2D_CHMXAMODE_ENDIAN_3210      (0x0 << 16)
+#define   CDA2D_CHMXAMODE_ENDIAN_0123      (0x1 << 16)
+#define   CDA2D_CHMXAMODE_ENDIAN_1032      (0x2 << 16)
+#define   CDA2D_CHMXAMODE_ENDIAN_2301      (0x3 << 16)
+#define   CDA2D_CHMXAMODE_RSSEL_SHIFT      (8)
+#define   CDA2D_CHMXAMODE_AUPDT_MASK       GENMASK(5, 4)
+#define   CDA2D_CHMXAMODE_AUPDT_INC        (0x0 << 4)
+#define   CDA2D_CHMXAMODE_AUPDT_FIX        (0x2 << 4)
+#define   CDA2D_CHMXAMODE_TYPE_MASK        GENMASK(3, 2)
+#define   CDA2D_CHMXAMODE_TYPE_NORMAL      (0x0 << 2)
+#define   CDA2D_CHMXAMODE_TYPE_RING        (0x1 << 2)
+#define CDA2D_CHMXSRCSTRTADRS(n)         (0x12030 + 0x80 * (n))
+#define CDA2D_CHMXSRCSTRTADRSU(n)        (0x12034 + 0x80 * (n))
+#define CDA2D_CHMXDSTSTRTADRS(n)         (0x12038 + 0x80 * (n))
+#define CDA2D_CHMXDSTSTRTADRSU(n)        (0x1203c + 0x80 * (n))
+
+/* A2D(ring buffer) */
+#define CDA2D_RBFLUSH0                   0x10040
+#define CDA2D_RBADRSLOAD                 0x100b4
+#define CDA2D_RDPTRLOAD                  0x100b8
+#define   CDA2D_RDPTRLOAD_LSFLAG_LOAD      (0x0 << 31)
+#define   CDA2D_RDPTRLOAD_LSFLAG_STORE     (0x1 << 31)
+#define CDA2D_WRPTRLOAD                  0x100bc
+#define   CDA2D_WRPTRLOAD_LSFLAG_LOAD      (0x0 << 31)
+#define   CDA2D_WRPTRLOAD_LSFLAG_STORE     (0x1 << 31)
+
+#define CDA2D_RBMXBGNADRS(n)             (0x14000 + 0x80 * (n))
+#define CDA2D_RBMXBGNADRSU(n)            (0x14004 + 0x80 * (n))
+#define CDA2D_RBMXENDADRS(n)             (0x14008 + 0x80 * (n))
+#define CDA2D_RBMXENDADRSU(n)            (0x1400c + 0x80 * (n))
+#define CDA2D_RBMXBTH(n)                 (0x14038 + 0x80 * (n))
+#define CDA2D_RBMXRTH(n)                 (0x1403c + 0x80 * (n))
+#define CDA2D_RBMXRDPTR(n)               (0x14020 + 0x80 * (n))
+#define CDA2D_RBMXRDPTRU(n)              (0x14024 + 0x80 * (n))
+#define CDA2D_RBMXWRPTR(n)               (0x14028 + 0x80 * (n))
+#define CDA2D_RBMXWRPTRU(n)              (0x1402c + 0x80 * (n))
+#define   CDA2D_RBMXPTRU_PTRU_MASK         GENMASK(1, 0)
+#define CDA2D_RBMXCNFG(n)                (0x14030 + 0x80 * (n))
+#define CDA2D_RBMXIR(n)                  (0x14014 + 0x80 * (n))
+#define CDA2D_RBMXIE(n)                  (0x14018 + 0x80 * (n))
+#define CDA2D_RBMXID(n)                  (0x1401c + 0x80 * (n))
+#define   CDA2D_RBMXIX_SPACE               BIT(3)
+#define   CDA2D_RBMXIX_REMAIN              BIT(4)
+
+#endif /* SND_UNIPHIER_AIO_REG_H__ */
diff --git a/sound/soc/uniphier/aio.h b/sound/soc/uniphier/aio.h
new file mode 100644
index 000000000..a7ff7e556
--- /dev/null
+++ b/sound/soc/uniphier/aio.h
@@ -0,0 +1,354 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Socionext UniPhier AIO ALSA driver.
+ *
+ * Copyright (c) 2016-2018 Socionext Inc.
+ */
+
+#ifndef SND_UNIPHIER_AIO_H__
+#define SND_UNIPHIER_AIO_H__
+
+#include <linux/spinlock.h>
+#include <linux/types.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dai.h>
+
+struct platform_device;
+
+enum ID_PORT_TYPE {
+	PORT_TYPE_UNKNOWN,
+	PORT_TYPE_I2S,
+	PORT_TYPE_SPDIF,
+	PORT_TYPE_EVE,
+	PORT_TYPE_CONV,
+};
+
+enum ID_PORT_DIR {
+	PORT_DIR_OUTPUT,
+	PORT_DIR_INPUT,
+};
+
+enum IEC61937_PC {
+	IEC61937_PC_AC3   = 0x0001,
+	IEC61937_PC_PAUSE = 0x0003,
+	IEC61937_PC_MPA   = 0x0004,
+	IEC61937_PC_MP3   = 0x0005,
+	IEC61937_PC_DTS1  = 0x000b,
+	IEC61937_PC_DTS2  = 0x000c,
+	IEC61937_PC_DTS3  = 0x000d,
+	IEC61937_PC_AAC   = 0x0007,
+};
+
+/* IEC61937 Repetition period of data-burst in IEC60958 frames */
+#define IEC61937_FRM_STR_AC3       1536
+#define IEC61937_FRM_STR_MPA       1152
+#define IEC61937_FRM_STR_MP3       1152
+#define IEC61937_FRM_STR_DTS1      512
+#define IEC61937_FRM_STR_DTS2      1024
+#define IEC61937_FRM_STR_DTS3      2048
+#define IEC61937_FRM_STR_AAC       1024
+
+/* IEC61937 Repetition period of Pause data-burst in IEC60958 frames */
+#define IEC61937_FRM_PAU_AC3       3
+#define IEC61937_FRM_PAU_MPA       32
+#define IEC61937_FRM_PAU_MP3       32
+#define IEC61937_FRM_PAU_DTS1      3
+#define IEC61937_FRM_PAU_DTS2      3
+#define IEC61937_FRM_PAU_DTS3      3
+#define IEC61937_FRM_PAU_AAC       32
+
+/* IEC61937 Pa and Pb */
+#define IEC61937_HEADER_SIGN       0x1f4e72f8
+
+#define AUD_HW_PCMIN1    0
+#define AUD_HW_PCMIN2    1
+#define AUD_HW_PCMIN3    2
+#define AUD_HW_IECIN1    3
+#define AUD_HW_DIECIN1   4
+
+#define AUD_NAME_PCMIN1     "aio-pcmin1"
+#define AUD_NAME_PCMIN2     "aio-pcmin2"
+#define AUD_NAME_PCMIN3     "aio-pcmin3"
+#define AUD_NAME_IECIN1     "aio-iecin1"
+#define AUD_NAME_DIECIN1    "aio-diecin1"
+
+#define AUD_HW_HPCMOUT1    0
+#define AUD_HW_PCMOUT1     1
+#define AUD_HW_PCMOUT2     2
+#define AUD_HW_PCMOUT3     3
+#define AUD_HW_EPCMOUT1    4
+#define AUD_HW_EPCMOUT2    5
+#define AUD_HW_EPCMOUT3    6
+#define AUD_HW_EPCMOUT6    9
+#define AUD_HW_HIECOUT1    10
+#define AUD_HW_IECOUT1     11
+#define AUD_HW_CMASTER     31
+
+#define AUD_NAME_HPCMOUT1        "aio-hpcmout1"
+#define AUD_NAME_PCMOUT1         "aio-pcmout1"
+#define AUD_NAME_PCMOUT2         "aio-pcmout2"
+#define AUD_NAME_PCMOUT3         "aio-pcmout3"
+#define AUD_NAME_EPCMOUT1        "aio-epcmout1"
+#define AUD_NAME_EPCMOUT2        "aio-epcmout2"
+#define AUD_NAME_EPCMOUT3        "aio-epcmout3"
+#define AUD_NAME_EPCMOUT6        "aio-epcmout6"
+#define AUD_NAME_HIECOUT1        "aio-hiecout1"
+#define AUD_NAME_IECOUT1         "aio-iecout1"
+#define AUD_NAME_CMASTER         "aio-cmaster"
+#define AUD_NAME_HIECCOMPOUT1    "aio-hieccompout1"
+#define AUD_NAME_IECCOMPOUT1     "aio-ieccompout1"
+
+#define AUD_GNAME_HDMI    "aio-hdmi"
+#define AUD_GNAME_LINE    "aio-line"
+#define AUD_GNAME_AUX     "aio-aux"
+#define AUD_GNAME_IEC     "aio-iec"
+
+#define AUD_CLK_IO        0
+#define AUD_CLK_A1        1
+#define AUD_CLK_F1        2
+#define AUD_CLK_A2        3
+#define AUD_CLK_F2        4
+#define AUD_CLK_A         5
+#define AUD_CLK_F         6
+#define AUD_CLK_APLL      7
+#define AUD_CLK_RX0       8
+#define AUD_CLK_USB0      9
+#define AUD_CLK_HSC0      10
+
+#define AUD_PLL_A1        0
+#define AUD_PLL_F1        1
+#define AUD_PLL_A2        2
+#define AUD_PLL_F2        3
+#define AUD_PLL_APLL      4
+#define AUD_PLL_RX0       5
+#define AUD_PLL_USB0      6
+#define AUD_PLL_HSC0      7
+
+#define AUD_PLLDIV_1_2    0
+#define AUD_PLLDIV_1_3    1
+#define AUD_PLLDIV_1_1    2
+#define AUD_PLLDIV_2_3    3
+
+#define AUD_VOL_INIT         0x4000 /* +0dB */
+#define AUD_VOL_MAX          0xffff /* +6dB */
+#define AUD_VOL_FADE_TIME    20 /* 20ms */
+
+#define AUD_RING_SIZE            (128 * 1024)
+
+#define AUD_MIN_FRAGMENT         4
+#define AUD_MAX_FRAGMENT         8
+#define AUD_MIN_FRAGMENT_SIZE    (4 * 1024)
+#define AUD_MAX_FRAGMENT_SIZE    (16 * 1024)
+
+/* max 5 slots, 10 channels, 2 channel in 1 slot */
+#define AUD_MAX_SLOTSEL    5
+
+/*
+ * This is a selector for virtual register map of AIO.
+ *
+ * map:  Specify the index of virtual register map.
+ * hw :  Specify the ID of real register map, selector uses this value.
+ *       A meaning of this value depends specification of SoC.
+ */
+struct uniphier_aio_selector {
+	int map;
+	int hw;
+};
+
+/**
+ * 'SoftWare MAPping' setting of UniPhier AIO registers.
+ *
+ * We have to setup 'virtual' register maps to access 'real' registers of AIO.
+ * This feature is legacy and meaningless but AIO needs this to work.
+ *
+ * Each hardware blocks have own virtual register maps as following:
+ *
+ * Address Virtual                      Real
+ * ------- ---------                    ---------------
+ * 0x12000 DMAC map0 --> [selector] --> DMAC hardware 3
+ * 0x12080 DMAC map1 --> [selector] --> DMAC hardware 1
+ * ...
+ * 0x42000 Port map0 --> [selector] --> Port hardware 1
+ * 0x42400 Port map1 --> [selector] --> Port hardware 2
+ * ...
+ *
+ * ch   : Input or output channel of DMAC
+ * rb   : Ring buffer
+ * iport: PCM input port
+ * iif  : Input interface
+ * oport: PCM output port
+ * oif  : Output interface
+ * och  : Output channel of DMAC for sampling rate converter
+ *
+ * These are examples for sound data paths:
+ *
+ * For caputure device:
+ *   (outer of AIO) -> iport -> iif -> ch -> rb -> (CPU)
+ * For playback device:
+ *   (CPU) -> rb -> ch -> oif -> oport -> (outer of AIO)
+ * For sampling rate converter device:
+ *   (CPU) -> rb -> ch -> oif -> (HW SRC) -> iif -> och -> orb -> (CPU)
+ */
+struct uniphier_aio_swmap {
+	int type;
+	int dir;
+
+	struct uniphier_aio_selector ch;
+	struct uniphier_aio_selector rb;
+	struct uniphier_aio_selector iport;
+	struct uniphier_aio_selector iif;
+	struct uniphier_aio_selector oport;
+	struct uniphier_aio_selector oif;
+	struct uniphier_aio_selector och;
+};
+
+struct uniphier_aio_spec {
+	const char *name;
+	const char *gname;
+	struct uniphier_aio_swmap swm;
+};
+
+struct uniphier_aio_pll {
+	bool enable;
+	unsigned int freq;
+};
+
+struct uniphier_aio_chip_spec {
+	const struct uniphier_aio_spec *specs;
+	int num_specs;
+	const struct uniphier_aio_pll *plls;
+	int num_plls;
+	struct snd_soc_dai_driver *dais;
+	int num_dais;
+
+	/* DMA access mode, this is workaround for DMA hungup */
+	int addr_ext;
+};
+
+struct uniphier_aio_sub {
+	struct uniphier_aio *aio;
+
+	/* Guard sub->rd_offs and wr_offs from IRQ handler. */
+	spinlock_t lock;
+
+	const struct uniphier_aio_swmap *swm;
+	const struct uniphier_aio_spec *spec;
+
+	/* For PCM audio */
+	struct snd_pcm_substream *substream;
+	struct snd_pcm_hw_params params;
+	int vol;
+
+	/* For compress audio */
+	struct snd_compr_stream *cstream;
+	struct snd_compr_params cparams;
+	unsigned char *compr_area;
+	dma_addr_t compr_addr;
+	size_t compr_bytes;
+	int pass_through;
+	enum IEC61937_PC iec_pc;
+	bool iec_header;
+
+	/* Both PCM and compress audio */
+	bool use_mmap;
+	int setting;
+	int running;
+	u64 rd_offs;
+	u64 wr_offs;
+	u32 threshold;
+	u64 rd_org;
+	u64 wr_org;
+	u64 rd_total;
+	u64 wr_total;
+};
+
+struct uniphier_aio {
+	struct uniphier_aio_chip *chip;
+
+	struct uniphier_aio_sub sub[2];
+
+	unsigned int fmt;
+	/* Set one of AUD_CLK_X */
+	int clk_in;
+	int clk_out;
+	/* Set one of AUD_PLL_X */
+	int pll_in;
+	int pll_out;
+	/* Set one of AUD_PLLDIV_X */
+	int plldiv;
+};
+
+struct uniphier_aio_chip {
+	struct platform_device *pdev;
+	const struct uniphier_aio_chip_spec *chip_spec;
+
+	struct uniphier_aio *aios;
+	int num_aios;
+	int num_wup_aios;
+	struct uniphier_aio_pll *plls;
+	int num_plls;
+
+	struct clk *clk;
+	struct reset_control *rst;
+	struct regmap *regmap;
+	struct regmap *regmap_sg;
+	int active;
+};
+
+static inline struct uniphier_aio *uniphier_priv(struct snd_soc_dai *dai)
+{
+	struct uniphier_aio_chip *chip = snd_soc_dai_get_drvdata(dai);
+
+	return &chip->aios[dai->id];
+}
+
+int uniphier_aiodma_soc_register_platform(struct platform_device *pdev);
+extern const struct snd_compr_ops uniphier_aio_compr_ops;
+
+int uniphier_aio_dai_probe(struct snd_soc_dai *dai);
+int uniphier_aio_dai_remove(struct snd_soc_dai *dai);
+int uniphier_aio_dai_suspend(struct snd_soc_dai *dai);
+int uniphier_aio_dai_resume(struct snd_soc_dai *dai);
+int uniphier_aio_probe(struct platform_device *pdev);
+int uniphier_aio_remove(struct platform_device *pdev);
+extern const struct snd_soc_dai_ops uniphier_aio_i2s_ops;
+extern const struct snd_soc_dai_ops uniphier_aio_spdif_ops;
+
+u64 aio_rb_cnt(struct uniphier_aio_sub *sub);
+u64 aio_rbt_cnt_to_end(struct uniphier_aio_sub *sub);
+u64 aio_rb_space(struct uniphier_aio_sub *sub);
+u64 aio_rb_space_to_end(struct uniphier_aio_sub *sub);
+
+void aio_iecout_set_enable(struct uniphier_aio_chip *chip, bool enable);
+int aio_chip_set_pll(struct uniphier_aio_chip *chip, int pll_id,
+		     unsigned int freq);
+void aio_chip_init(struct uniphier_aio_chip *chip);
+int aio_init(struct uniphier_aio_sub *sub);
+void aio_port_reset(struct uniphier_aio_sub *sub);
+int aio_port_set_param(struct uniphier_aio_sub *sub, int pass_through,
+		       const struct snd_pcm_hw_params *params);
+void aio_port_set_enable(struct uniphier_aio_sub *sub, int enable);
+int aio_port_get_volume(struct uniphier_aio_sub *sub);
+void aio_port_set_volume(struct uniphier_aio_sub *sub, int vol);
+int aio_if_set_param(struct uniphier_aio_sub *sub, int pass_through);
+int aio_oport_set_stream_type(struct uniphier_aio_sub *sub,
+			      enum IEC61937_PC pc);
+void aio_src_reset(struct uniphier_aio_sub *sub);
+int aio_src_set_param(struct uniphier_aio_sub *sub,
+		      const struct snd_pcm_hw_params *params);
+int aio_srcif_set_param(struct uniphier_aio_sub *sub);
+int aio_srcch_set_param(struct uniphier_aio_sub *sub);
+void aio_srcch_set_enable(struct uniphier_aio_sub *sub, int enable);
+
+int aiodma_ch_set_param(struct uniphier_aio_sub *sub);
+void aiodma_ch_set_enable(struct uniphier_aio_sub *sub, int enable);
+int aiodma_rb_set_threshold(struct uniphier_aio_sub *sub, u64 size, u32 th);
+int aiodma_rb_set_buffer(struct uniphier_aio_sub *sub, u64 start, u64 end,
+			 int period);
+void aiodma_rb_sync(struct uniphier_aio_sub *sub, u64 start, u64 size,
+		    int period);
+bool aiodma_rb_is_irq(struct uniphier_aio_sub *sub);
+void aiodma_rb_clear_irq(struct uniphier_aio_sub *sub);
+
+#endif /* SND_UNIPHIER_AIO_H__ */
diff --git a/sound/soc/uniphier/evea.c b/sound/soc/uniphier/evea.c
new file mode 100644
index 000000000..f9c10165f
--- /dev/null
+++ b/sound/soc/uniphier/evea.c
@@ -0,0 +1,574 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Socionext UniPhier EVEA ADC/DAC codec driver.
+//
+// Copyright (c) 2016-2017 Socionext Inc.
+
+#include <linux/clk.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/regmap.h>
+#include <linux/reset.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+
+#define DRV_NAME        "evea"
+#define EVEA_RATES      SNDRV_PCM_RATE_48000
+#define EVEA_FORMATS    SNDRV_PCM_FMTBIT_S32_LE
+
+#define AADCPOW(n)                           (0x0078 + 0x04 * (n))
+#define   AADCPOW_AADC_POWD                   BIT(0)
+#define ALINSW1                              0x0088
+#define   ALINSW1_SEL1_SHIFT                  3
+#define AHPOUTPOW                            0x0098
+#define   AHPOUTPOW_HP_ON                     BIT(4)
+#define ALINEPOW                             0x009c
+#define   ALINEPOW_LIN2_POWD                  BIT(3)
+#define   ALINEPOW_LIN1_POWD                  BIT(4)
+#define ALO1OUTPOW                           0x00a8
+#define   ALO1OUTPOW_LO1_ON                   BIT(4)
+#define ALO2OUTPOW                           0x00ac
+#define   ALO2OUTPOW_ADAC2_MUTE               BIT(0)
+#define   ALO2OUTPOW_LO2_ON                   BIT(4)
+#define AANAPOW                              0x00b8
+#define   AANAPOW_A_POWD                      BIT(4)
+#define ADACSEQ1(n)                          (0x0144 + 0x40 * (n))
+#define   ADACSEQ1_MMUTE                      BIT(1)
+#define ADACSEQ2(n)                          (0x0160 + 0x40 * (n))
+#define   ADACSEQ2_ADACIN_FIX                 BIT(0)
+#define ADAC1ODC                             0x0200
+#define   ADAC1ODC_HP_DIS_RES_MASK            GENMASK(2, 1)
+#define   ADAC1ODC_HP_DIS_RES_OFF             (0x0 << 1)
+#define   ADAC1ODC_HP_DIS_RES_ON              (0x3 << 1)
+#define   ADAC1ODC_ADAC_RAMPCLT_MASK          GENMASK(8, 7)
+#define   ADAC1ODC_ADAC_RAMPCLT_NORMAL        (0x0 << 7)
+#define   ADAC1ODC_ADAC_RAMPCLT_REDUCE        (0x1 << 7)
+
+struct evea_priv {
+	struct clk *clk, *clk_exiv;
+	struct reset_control *rst, *rst_exiv, *rst_adamv;
+	struct regmap *regmap;
+
+	int switch_lin;
+	int switch_lo;
+	int switch_hp;
+};
+
+static const char * const linsw1_sel1_text[] = {
+	"LIN1", "LIN2", "LIN3"
+};
+
+static SOC_ENUM_SINGLE_DECL(linsw1_sel1_enum,
+	ALINSW1, ALINSW1_SEL1_SHIFT,
+	linsw1_sel1_text);
+
+static const struct snd_kcontrol_new linesw1_mux[] = {
+	SOC_DAPM_ENUM("Line In 1 Source", linsw1_sel1_enum),
+};
+
+static const struct snd_soc_dapm_widget evea_widgets[] = {
+	SND_SOC_DAPM_ADC("ADC", NULL, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_MUX("Line In 1 Mux", SND_SOC_NOPM, 0, 0, linesw1_mux),
+	SND_SOC_DAPM_INPUT("LIN1_LP"),
+	SND_SOC_DAPM_INPUT("LIN1_RP"),
+	SND_SOC_DAPM_INPUT("LIN2_LP"),
+	SND_SOC_DAPM_INPUT("LIN2_RP"),
+	SND_SOC_DAPM_INPUT("LIN3_LP"),
+	SND_SOC_DAPM_INPUT("LIN3_RP"),
+
+	SND_SOC_DAPM_DAC("DAC HP", NULL, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_DAC("DAC LO1", NULL, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_DAC("DAC LO2", NULL, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_OUTPUT("HP1_L"),
+	SND_SOC_DAPM_OUTPUT("HP1_R"),
+	SND_SOC_DAPM_OUTPUT("LO2_L"),
+	SND_SOC_DAPM_OUTPUT("LO2_R"),
+};
+
+static const struct snd_soc_dapm_route evea_routes[] = {
+	{ "Line In 1", NULL, "ADC" },
+	{ "ADC", NULL, "Line In 1 Mux" },
+	{ "Line In 1 Mux", "LIN1", "LIN1_LP" },
+	{ "Line In 1 Mux", "LIN1", "LIN1_RP" },
+	{ "Line In 1 Mux", "LIN2", "LIN2_LP" },
+	{ "Line In 1 Mux", "LIN2", "LIN2_RP" },
+	{ "Line In 1 Mux", "LIN3", "LIN3_LP" },
+	{ "Line In 1 Mux", "LIN3", "LIN3_RP" },
+
+	{ "DAC HP", NULL, "Headphone 1" },
+	{ "DAC LO1", NULL, "Line Out 1" },
+	{ "DAC LO2", NULL, "Line Out 2" },
+	{ "HP1_L", NULL, "DAC HP" },
+	{ "HP1_R", NULL, "DAC HP" },
+	{ "LO2_L", NULL, "DAC LO2" },
+	{ "LO2_R", NULL, "DAC LO2" },
+};
+
+static void evea_set_power_state_on(struct evea_priv *evea)
+{
+	struct regmap *map = evea->regmap;
+
+	regmap_update_bits(map, AANAPOW, AANAPOW_A_POWD,
+			   AANAPOW_A_POWD);
+
+	regmap_update_bits(map, ADAC1ODC, ADAC1ODC_HP_DIS_RES_MASK,
+			   ADAC1ODC_HP_DIS_RES_ON);
+
+	regmap_update_bits(map, ADAC1ODC, ADAC1ODC_ADAC_RAMPCLT_MASK,
+			   ADAC1ODC_ADAC_RAMPCLT_REDUCE);
+
+	regmap_update_bits(map, ADACSEQ2(0), ADACSEQ2_ADACIN_FIX, 0);
+	regmap_update_bits(map, ADACSEQ2(1), ADACSEQ2_ADACIN_FIX, 0);
+	regmap_update_bits(map, ADACSEQ2(2), ADACSEQ2_ADACIN_FIX, 0);
+}
+
+static void evea_set_power_state_off(struct evea_priv *evea)
+{
+	struct regmap *map = evea->regmap;
+
+	regmap_update_bits(map, ADAC1ODC, ADAC1ODC_HP_DIS_RES_MASK,
+			   ADAC1ODC_HP_DIS_RES_ON);
+
+	regmap_update_bits(map, ADACSEQ1(0), ADACSEQ1_MMUTE,
+			   ADACSEQ1_MMUTE);
+	regmap_update_bits(map, ADACSEQ1(1), ADACSEQ1_MMUTE,
+			   ADACSEQ1_MMUTE);
+	regmap_update_bits(map, ADACSEQ1(2), ADACSEQ1_MMUTE,
+			   ADACSEQ1_MMUTE);
+
+	regmap_update_bits(map, ALO1OUTPOW, ALO1OUTPOW_LO1_ON, 0);
+	regmap_update_bits(map, ALO2OUTPOW, ALO2OUTPOW_LO2_ON, 0);
+	regmap_update_bits(map, AHPOUTPOW, AHPOUTPOW_HP_ON, 0);
+}
+
+static int evea_update_switch_lin(struct evea_priv *evea)
+{
+	struct regmap *map = evea->regmap;
+
+	if (evea->switch_lin) {
+		regmap_update_bits(map, ALINEPOW,
+				   ALINEPOW_LIN2_POWD | ALINEPOW_LIN1_POWD,
+				   ALINEPOW_LIN2_POWD | ALINEPOW_LIN1_POWD);
+
+		regmap_update_bits(map, AADCPOW(0), AADCPOW_AADC_POWD,
+				   AADCPOW_AADC_POWD);
+		regmap_update_bits(map, AADCPOW(1), AADCPOW_AADC_POWD,
+				   AADCPOW_AADC_POWD);
+	} else {
+		regmap_update_bits(map, AADCPOW(0), AADCPOW_AADC_POWD, 0);
+		regmap_update_bits(map, AADCPOW(1), AADCPOW_AADC_POWD, 0);
+
+		regmap_update_bits(map, ALINEPOW,
+				   ALINEPOW_LIN2_POWD | ALINEPOW_LIN1_POWD, 0);
+	}
+
+	return 0;
+}
+
+static int evea_update_switch_lo(struct evea_priv *evea)
+{
+	struct regmap *map = evea->regmap;
+
+	if (evea->switch_lo) {
+		regmap_update_bits(map, ADACSEQ1(0), ADACSEQ1_MMUTE, 0);
+		regmap_update_bits(map, ADACSEQ1(2), ADACSEQ1_MMUTE, 0);
+
+		regmap_update_bits(map, ALO1OUTPOW, ALO1OUTPOW_LO1_ON,
+				   ALO1OUTPOW_LO1_ON);
+		regmap_update_bits(map, ALO2OUTPOW,
+				   ALO2OUTPOW_ADAC2_MUTE | ALO2OUTPOW_LO2_ON,
+				   ALO2OUTPOW_ADAC2_MUTE | ALO2OUTPOW_LO2_ON);
+	} else {
+		regmap_update_bits(map, ADACSEQ1(0), ADACSEQ1_MMUTE,
+				   ADACSEQ1_MMUTE);
+		regmap_update_bits(map, ADACSEQ1(2), ADACSEQ1_MMUTE,
+				   ADACSEQ1_MMUTE);
+
+		regmap_update_bits(map, ALO1OUTPOW, ALO1OUTPOW_LO1_ON, 0);
+		regmap_update_bits(map, ALO2OUTPOW,
+				   ALO2OUTPOW_ADAC2_MUTE | ALO2OUTPOW_LO2_ON,
+				   0);
+	}
+
+	return 0;
+}
+
+static int evea_update_switch_hp(struct evea_priv *evea)
+{
+	struct regmap *map = evea->regmap;
+
+	if (evea->switch_hp) {
+		regmap_update_bits(map, ADACSEQ1(1), ADACSEQ1_MMUTE, 0);
+
+		regmap_update_bits(map, AHPOUTPOW, AHPOUTPOW_HP_ON,
+				   AHPOUTPOW_HP_ON);
+
+		regmap_update_bits(map, ADAC1ODC, ADAC1ODC_HP_DIS_RES_MASK,
+				   ADAC1ODC_HP_DIS_RES_OFF);
+	} else {
+		regmap_update_bits(map, ADAC1ODC, ADAC1ODC_HP_DIS_RES_MASK,
+				   ADAC1ODC_HP_DIS_RES_ON);
+
+		regmap_update_bits(map, ADACSEQ1(1), ADACSEQ1_MMUTE,
+				   ADACSEQ1_MMUTE);
+
+		regmap_update_bits(map, AHPOUTPOW, AHPOUTPOW_HP_ON, 0);
+	}
+
+	return 0;
+}
+
+static void evea_update_switch_all(struct evea_priv *evea)
+{
+	evea_update_switch_lin(evea);
+	evea_update_switch_lo(evea);
+	evea_update_switch_hp(evea);
+}
+
+static int evea_get_switch_lin(struct snd_kcontrol *kcontrol,
+			       struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+	struct evea_priv *evea = snd_soc_component_get_drvdata(component);
+
+	ucontrol->value.integer.value[0] = evea->switch_lin;
+
+	return 0;
+}
+
+static int evea_set_switch_lin(struct snd_kcontrol *kcontrol,
+			       struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+	struct evea_priv *evea = snd_soc_component_get_drvdata(component);
+
+	if (evea->switch_lin == ucontrol->value.integer.value[0])
+		return 0;
+
+	evea->switch_lin = ucontrol->value.integer.value[0];
+
+	return evea_update_switch_lin(evea);
+}
+
+static int evea_get_switch_lo(struct snd_kcontrol *kcontrol,
+			      struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+	struct evea_priv *evea = snd_soc_component_get_drvdata(component);
+
+	ucontrol->value.integer.value[0] = evea->switch_lo;
+
+	return 0;
+}
+
+static int evea_set_switch_lo(struct snd_kcontrol *kcontrol,
+			      struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+	struct evea_priv *evea = snd_soc_component_get_drvdata(component);
+
+	if (evea->switch_lo == ucontrol->value.integer.value[0])
+		return 0;
+
+	evea->switch_lo = ucontrol->value.integer.value[0];
+
+	return evea_update_switch_lo(evea);
+}
+
+static int evea_get_switch_hp(struct snd_kcontrol *kcontrol,
+			      struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+	struct evea_priv *evea = snd_soc_component_get_drvdata(component);
+
+	ucontrol->value.integer.value[0] = evea->switch_hp;
+
+	return 0;
+}
+
+static int evea_set_switch_hp(struct snd_kcontrol *kcontrol,
+			      struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+	struct evea_priv *evea = snd_soc_component_get_drvdata(component);
+
+	if (evea->switch_hp == ucontrol->value.integer.value[0])
+		return 0;
+
+	evea->switch_hp = ucontrol->value.integer.value[0];
+
+	return evea_update_switch_hp(evea);
+}
+
+static const struct snd_kcontrol_new evea_controls[] = {
+	SOC_SINGLE_BOOL_EXT("Line Capture Switch", 0,
+			    evea_get_switch_lin, evea_set_switch_lin),
+	SOC_SINGLE_BOOL_EXT("Line Playback Switch", 0,
+			    evea_get_switch_lo, evea_set_switch_lo),
+	SOC_SINGLE_BOOL_EXT("Headphone Playback Switch", 0,
+			    evea_get_switch_hp, evea_set_switch_hp),
+};
+
+static int evea_codec_probe(struct snd_soc_component *component)
+{
+	struct evea_priv *evea = snd_soc_component_get_drvdata(component);
+
+	evea->switch_lin = 1;
+	evea->switch_lo = 1;
+	evea->switch_hp = 1;
+
+	evea_set_power_state_on(evea);
+	evea_update_switch_all(evea);
+
+	return 0;
+}
+
+static int evea_codec_suspend(struct snd_soc_component *component)
+{
+	struct evea_priv *evea = snd_soc_component_get_drvdata(component);
+
+	evea_set_power_state_off(evea);
+
+	reset_control_assert(evea->rst_adamv);
+	reset_control_assert(evea->rst_exiv);
+	reset_control_assert(evea->rst);
+
+	clk_disable_unprepare(evea->clk_exiv);
+	clk_disable_unprepare(evea->clk);
+
+	return 0;
+}
+
+static int evea_codec_resume(struct snd_soc_component *component)
+{
+	struct evea_priv *evea = snd_soc_component_get_drvdata(component);
+	int ret;
+
+	ret = clk_prepare_enable(evea->clk);
+	if (ret)
+		return ret;
+
+	ret = clk_prepare_enable(evea->clk_exiv);
+	if (ret)
+		goto err_out_clock;
+
+	ret = reset_control_deassert(evea->rst);
+	if (ret)
+		goto err_out_clock_exiv;
+
+	ret = reset_control_deassert(evea->rst_exiv);
+	if (ret)
+		goto err_out_reset;
+
+	ret = reset_control_deassert(evea->rst_adamv);
+	if (ret)
+		goto err_out_reset_exiv;
+
+	evea_set_power_state_on(evea);
+	evea_update_switch_all(evea);
+
+	return 0;
+
+err_out_reset_exiv:
+	reset_control_assert(evea->rst_exiv);
+
+err_out_reset:
+	reset_control_assert(evea->rst);
+
+err_out_clock_exiv:
+	clk_disable_unprepare(evea->clk_exiv);
+
+err_out_clock:
+	clk_disable_unprepare(evea->clk);
+
+	return ret;
+}
+
+static struct snd_soc_component_driver soc_codec_evea = {
+	.probe			= evea_codec_probe,
+	.suspend		= evea_codec_suspend,
+	.resume			= evea_codec_resume,
+	.dapm_widgets		= evea_widgets,
+	.num_dapm_widgets	= ARRAY_SIZE(evea_widgets),
+	.dapm_routes		= evea_routes,
+	.num_dapm_routes	= ARRAY_SIZE(evea_routes),
+	.controls		= evea_controls,
+	.num_controls		= ARRAY_SIZE(evea_controls),
+	.idle_bias_on		= 1,
+	.use_pmdown_time	= 1,
+	.endianness		= 1,
+	.non_legacy_dai_naming	= 1,
+};
+
+static struct snd_soc_dai_driver soc_dai_evea[] = {
+	{
+		.name     = DRV_NAME "-line1",
+		.playback = {
+			.stream_name  = "Line Out 1",
+			.formats      = EVEA_FORMATS,
+			.rates        = EVEA_RATES,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+		.capture = {
+			.stream_name  = "Line In 1",
+			.formats      = EVEA_FORMATS,
+			.rates        = EVEA_RATES,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+	},
+	{
+		.name     = DRV_NAME "-hp1",
+		.playback = {
+			.stream_name  = "Headphone 1",
+			.formats      = EVEA_FORMATS,
+			.rates        = EVEA_RATES,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+	},
+	{
+		.name     = DRV_NAME "-lo2",
+		.playback = {
+			.stream_name  = "Line Out 2",
+			.formats      = EVEA_FORMATS,
+			.rates        = EVEA_RATES,
+			.channels_min = 2,
+			.channels_max = 2,
+		},
+	},
+};
+
+static const struct regmap_config evea_regmap_config = {
+	.reg_bits      = 32,
+	.reg_stride    = 4,
+	.val_bits      = 32,
+	.max_register  = 0xffc,
+	.cache_type    = REGCACHE_NONE,
+};
+
+static int evea_probe(struct platform_device *pdev)
+{
+	struct evea_priv *evea;
+	struct resource *res;
+	void __iomem *preg;
+	int ret;
+
+	evea = devm_kzalloc(&pdev->dev, sizeof(struct evea_priv), GFP_KERNEL);
+	if (!evea)
+		return -ENOMEM;
+
+	evea->clk = devm_clk_get(&pdev->dev, "evea");
+	if (IS_ERR(evea->clk))
+		return PTR_ERR(evea->clk);
+
+	evea->clk_exiv = devm_clk_get(&pdev->dev, "exiv");
+	if (IS_ERR(evea->clk_exiv))
+		return PTR_ERR(evea->clk_exiv);
+
+	evea->rst = devm_reset_control_get_shared(&pdev->dev, "evea");
+	if (IS_ERR(evea->rst))
+		return PTR_ERR(evea->rst);
+
+	evea->rst_exiv = devm_reset_control_get_shared(&pdev->dev, "exiv");
+	if (IS_ERR(evea->rst_exiv))
+		return PTR_ERR(evea->rst_exiv);
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	preg = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(preg))
+		return PTR_ERR(preg);
+
+	evea->regmap = devm_regmap_init_mmio(&pdev->dev, preg,
+					     &evea_regmap_config);
+	if (IS_ERR(evea->regmap))
+		return PTR_ERR(evea->regmap);
+
+	ret = clk_prepare_enable(evea->clk);
+	if (ret)
+		return ret;
+
+	ret = clk_prepare_enable(evea->clk_exiv);
+	if (ret)
+		goto err_out_clock;
+
+	ret = reset_control_deassert(evea->rst);
+	if (ret)
+		goto err_out_clock_exiv;
+
+	ret = reset_control_deassert(evea->rst_exiv);
+	if (ret)
+		goto err_out_reset;
+
+	/* ADAMV will hangup if EXIV reset is asserted */
+	evea->rst_adamv = devm_reset_control_get_shared(&pdev->dev, "adamv");
+	if (IS_ERR(evea->rst_adamv)) {
+		ret = PTR_ERR(evea->rst_adamv);
+		goto err_out_reset_exiv;
+	}
+
+	ret = reset_control_deassert(evea->rst_adamv);
+	if (ret)
+		goto err_out_reset_exiv;
+
+	platform_set_drvdata(pdev, evea);
+
+	ret = devm_snd_soc_register_component(&pdev->dev, &soc_codec_evea,
+				     soc_dai_evea, ARRAY_SIZE(soc_dai_evea));
+	if (ret)
+		goto err_out_reset_adamv;
+
+	return 0;
+
+err_out_reset_adamv:
+	reset_control_assert(evea->rst_adamv);
+
+err_out_reset_exiv:
+	reset_control_assert(evea->rst_exiv);
+
+err_out_reset:
+	reset_control_assert(evea->rst);
+
+err_out_clock_exiv:
+	clk_disable_unprepare(evea->clk_exiv);
+
+err_out_clock:
+	clk_disable_unprepare(evea->clk);
+
+	return ret;
+}
+
+static int evea_remove(struct platform_device *pdev)
+{
+	struct evea_priv *evea = platform_get_drvdata(pdev);
+
+	reset_control_assert(evea->rst_adamv);
+	reset_control_assert(evea->rst_exiv);
+	reset_control_assert(evea->rst);
+
+	clk_disable_unprepare(evea->clk_exiv);
+	clk_disable_unprepare(evea->clk);
+
+	return 0;
+}
+
+static const struct of_device_id evea_of_match[] = {
+	{ .compatible = "socionext,uniphier-evea", },
+	{}
+};
+MODULE_DEVICE_TABLE(of, evea_of_match);
+
+static struct platform_driver evea_codec_driver = {
+	.driver = {
+		.name = DRV_NAME,
+		.of_match_table = of_match_ptr(evea_of_match),
+	},
+	.probe  = evea_probe,
+	.remove = evea_remove,
+};
+module_platform_driver(evea_codec_driver);
+
+MODULE_AUTHOR("Katsuhiro Suzuki <suzuki.katsuhiro@socionext.com>");
+MODULE_DESCRIPTION("UniPhier EVEA codec driver");
+MODULE_LICENSE("GPL v2");